'All variables will be of type LONG unless explicitly defined
DEFLNG A-Z
'All arrays will be dynamically allocated so they can be REDIM-ed
'$DYNAMIC
'We need console access to support command-line compilation via the -x command line compile option
$CONSOLE
'Initially the "SCREEN" will be hidden, if the -x option is used it will never be created
$SCREENHIDE
'$INCLUDE:'global\version.bas'
'$INCLUDE:'global\settings.bas'
'$INCLUDE:'global\constants.bas'
'$INCLUDE:'subs_functions\extensions\opengl\opengl_global.bas'
'INCLUDE:'qb_framework\qb_framework_global.bas'
DEFLNG A-Z
'INCLUDE:'virtual_keyboard\virtual_keyboard_global.bas'
DEFLNG A-Z
'$INCLUDE:'android\android_global.bas'
DEFLNG A-Z
'-------- Optional IDE Component (1/2) --------
'$INCLUDE:'ide\ide_global.bas'
REDIM SHARED OName(0) AS STRING 'Operation Name
REDIM SHARED PL(0) AS INTEGER 'Priority Level
DIM SHARED QuickReturn AS INTEGER
Set_OrderOfOperations 'This will also make certain our directories are valid, and if not make them.
DIM SHARED MakeAndroid 'build an Android project (refer to SUB UseAndroid)
DIM SHARED VirtualKeyboardState
DIM SHARED DesiredVirtualKeyboardState
DIM SHARED RecompileAttemptsForVirtualKeyboardState
REDIM EveryCaseSet(100), SelectCaseCounter AS _UNSIGNED LONG
DIM ExecLevel(255), ExecCounter AS INTEGER
REDIM SHARED UserDefine(1, 100) AS STRING '0 element is the name, 1 element is the string value
REDIM SHARED InValidLine(10000) AS _BIT
DIM DefineElse(255) AS _BYTE
DIM SHARED UserDefineCount AS INTEGER
UserDefine(0, 0) = "WINDOWS": UserDefine(0, 1) = "WIN"
UserDefine(0, 2) = "LINUX"
UserDefine(0, 3) = "MAC": UserDefine(0, 4) = "MACOSX"
UserDefine(0, 5) = "32BIT": UserDefine(0, 6) = "64BIT"
IF INSTR(_OS$, "WIN") THEN UserDefine(1, 0) = "-1": UserDefine(1, 1) = "-1" ELSE UserDefine(1, 0) = "0": UserDefine(1, 1) = "0"
IF INSTR(_OS$, "LINUX") THEN UserDefine(1, 2) = "-1" ELSE UserDefine(1, 2) = "0"
IF INSTR(_OS$, "MAC") THEN UserDefine(1, 3) = "-1": UserDefine(1, 4) = "-1" ELSE UserDefine(1, 3) = "0": UserDefine(1, 4) = "0"
IF INSTR(_OS$, "32BIT") THEN UserDefine(1, 5) = "-1": UserDefine(1, 6) = "0" ELSE UserDefine(1, 5) = "0": UserDefine(1, 6) = "-1"
'refactor patch
DIM SHARED Refactor_Source AS STRING
DIM SHARED Refactor_Dest AS STRING
IF _FILEEXISTS("refactor.txt") THEN
fh = FREEFILE
OPEN "refactor.txt" FOR BINARY AS #fh
LINE INPUT #fh, Refactor_Source
LINE INPUT #fh, Refactor_Dest
CLOSE fh
END IF
NoInternalFolder:
IF _DIREXISTS("internal") = 0 THEN
_SCREENSHOW
PRINT "QB64 cannot locate the 'internal' folder"
PRINT
PRINT "Check that QB64 has been extracted properly."
PRINT "For MacOSX, launch 'qb64_start.command' or enter './qb64' in Terminal."
PRINT "For Linux, in the console enter './qb64'."
DO
_LIMIT 1
LOOP UNTIL INKEY$ <> ""
SYSTEM
END IF
DIM SHARED Include_GDB_Debugging_Info 'set using "options.bin"
DIM SHARED DEPENDENCY_LAST
CONST DEPENDENCY_LOADFONT = 1: DEPENDENCY_LAST = DEPENDENCY_LAST + 1
CONST DEPENDENCY_AUDIO_CONVERSION = 2: DEPENDENCY_LAST = DEPENDENCY_LAST + 1
CONST DEPENDENCY_AUDIO_DECODE = 3: DEPENDENCY_LAST = DEPENDENCY_LAST + 1
CONST DEPENDENCY_AUDIO_OUT = 4: DEPENDENCY_LAST = DEPENDENCY_LAST + 1
CONST DEPENDENCY_GL = 5: DEPENDENCY_LAST = DEPENDENCY_LAST + 1
CONST DEPENDENCY_IMAGE_CODEC = 6: DEPENDENCY_LAST = DEPENDENCY_LAST + 1
CONST DEPENDENCY_CONSOLE_ONLY = 7: DEPENDENCY_LAST = DEPENDENCY_LAST + 1 '=2 if via -g switch, =1 if via metacommand $CONSOLE:ONLY
CONST DEPENDENCY_SOCKETS = 8: DEPENDENCY_LAST = DEPENDENCY_LAST + 1
CONST DEPENDENCY_PRINTER = 9: DEPENDENCY_LAST = DEPENDENCY_LAST + 1
CONST DEPENDENCY_ICON = 10: DEPENDENCY_LAST = DEPENDENCY_LAST + 1
CONST DEPENDENCY_SCREENIMAGE = 11: DEPENDENCY_LAST = DEPENDENCY_LAST + 1
CONST DEPENDENCY_DEVICEINPUT = 12: DEPENDENCY_LAST = DEPENDENCY_LAST + 1 'removes support for gamepad input if not present
DIM SHARED DEPENDENCY(1 TO DEPENDENCY_LAST)
DIM SHARED UseGL 'declared SUB _GL (no params)
DIM SHARED OS_BITS AS LONG
OS_BITS = 64: IF INSTR(_OS$, "[32BIT]") THEN OS_BITS = 32
IF OS_BITS = 32 THEN _TITLE "QB64 x32" ELSE _TITLE "QB64 x64"
DIM SHARED ConsoleMode, No_C_Compile_Mode, Cloud, NoIDEMode
DIM SHARED CMDLineFile AS STRING
DIM SHARED ExeIconSet AS LONG
DIM SHARED VersionInfoSet AS _BYTE
'Variables to handle $VERSIONINFO metacommand:
DIM SHARED viFileVersionNum$, viProductVersionNum$, viCompanyName$
DIM SHARED viFileDescription$, viFileVersion$, viInternalName$
DIM SHARED viLegalCopyright$, viLegalTrademarks$, viOriginalFilename$
DIM SHARED viProductName$, viProductVersion$, viComments$, viWeb$
DIM SHARED NoChecks
DIM SHARED Console
DIM SHARED ScreenHide
DIM SHARED OptMax AS LONG
OptMax = 256
REDIM SHARED Opt(1 TO OptMax, 1 TO 10) AS STRING * 256
' (1,1)="READ"
' (1,2)="WRITE"
' (1,3)="READ WRITE"
REDIM SHARED OptWords(1 TO OptMax, 1 TO 10) AS INTEGER 'The number of words of each opt () element
' (1,1)=1 '"READ"
' (1,2)=1 '"WRITE"
' (1,3)=2 '"READ WRITE"
REDIM SHARED T(1 TO OptMax) AS INTEGER 'The type of the entry
' t is 0 for ? opts
' ---------- 0 means ? , 1+ means a symbol or {}block ----------
' t is 1 for symbol opts
' t is the number of rhs opt () index enteries for {READ|WRITE|READ WRITE} like opts
REDIM SHARED Lev(1 TO OptMax) AS INTEGER 'The indwelling level of each opt () element (the lowest is 0)
REDIM SHARED EntryLev(1 TO OptMax) AS INTEGER 'The level required from which this opt () can be validly be entered/checked-for
REDIM SHARED DitchLev(1 TO OptMax) AS INTEGER 'The lowest level recorded between the previous Opt and this Opt
REDIM SHARED DontPass(1 TO OptMax) AS INTEGER 'Set to 1 or 0, with 1 meaning don't pass
'Determines whether the opt () entry needs to actually be passed to the C++ sub/function
REDIM SHARED TempList(1 TO OptMax) AS INTEGER
REDIM SHARED PassRule(1 TO OptMax) AS LONG
'0 means no pass rule
'negative values refer to an opt () element
'positive values refer to a flag value
REDIM SHARED LevelEntered(OptMax) 'up to 64 levels supported
REDIM SHARED separgs(OptMax + 1) AS STRING
REDIM SHARED separgslayout(OptMax + 1) AS STRING
REDIM SHARED separgs2(OptMax + 1) AS STRING
REDIM SHARED separgslayout2(OptMax + 1) AS STRING
DIM SHARED E
DIM SHARED ResolveStaticFunctions
REDIM SHARED ResolveStaticFunction_File(1 TO 100) AS STRING
REDIM SHARED ResolveStaticFunction_Name(1 TO 100) AS STRING
REDIM SHARED ResolveStaticFunction_Method(1 TO 100) AS LONG
DIM SHARED Error_Happened AS LONG
DIM SHARED Error_Message AS STRING
DIM SHARED os AS STRING
os$ = "WIN"
IF INSTR(_OS$, "[LINUX]") THEN os$ = "LNX"
DIM SHARED MacOSX AS LONG
IF INSTR(_OS$, "[MACOSX]") THEN MacOSX = 1
DIM SHARED inline_DATA
IF MacOSX THEN inline_DATA = 1
DIM SHARED BATCHFILE_EXTENSION AS STRING
BATCHFILE_EXTENSION = ".bat"
IF os$ = "LNX" THEN BATCHFILE_EXTENSION = ".sh"
IF MacOSX THEN BATCHFILE_EXTENSION = ".command"
DIM inlinedatastr(255) AS STRING
FOR i = 0 TO 255
inlinedatastr(i) = str2$(i) + ","
NEXT
DIM SHARED extension AS STRING
DIM SHARED path.exe$, path.source$
extension$ = ".exe"
IF os$ = "LNX" THEN extension$ = "" 'no extension under Linux
DIM SHARED pathsep AS STRING * 1
pathsep$ = "\"
IF os$ = "LNX" THEN pathsep$ = "/"
'note: QB64 handles OS specific path separators automatically except under SHELL calls
ON ERROR GOTO qberror_test
DIM SHARED tmpdir AS STRING, tmpdir2 AS STRING
IF os$ = "WIN" THEN tmpdir$ = ".\internal\temp\": tmpdir2$ = "..\\temp\\"
IF os$ = "LNX" THEN tmpdir$ = "./internal/temp/": tmpdir2$ = "../temp/"
IF NOT _DIREXISTS(tmpdir$) THEN MKDIR tmpdir$
DECLARE LIBRARY
FUNCTION getpid& ()
END DECLARE
thisinstancepid = getpid&
DIM SHARED tempfolderindex
IF INSTR(_OS$, "LINUX") THEN
fh = FREEFILE
OPEN ".\internal\temp\tempfoldersearch.bin" FOR RANDOM AS #fh LEN = LEN(tempfolderindex)
tempfolderrecords = LOF(fh) / LEN(tempfolderindex)
i = 1
IF tempfolderrecords = 0 THEN
'first run ever?
PUT #fh, 1, thisinstancepid
ELSE
FOR i = 1 TO tempfolderrecords
'check if any of the temp folders is being used = pid still active
GET #fh, i, tempfoldersearch
SHELL _HIDE "ps -p " + STR$(tempfoldersearch) + " > /dev/null 2>&1; echo $? > internal/temp/checkpid.bin"
fh2 = FREEFILE
OPEN "internal/temp/checkpid.bin" FOR BINARY AS #fh2
LINE INPUT #fh2, checkpid$
CLOSE #fh2
IF VAL(checkpid$) = 1 THEN
'This temp folder was locked by an instance that's no longer active, so
'this will be our temp folder
PUT #fh, i, thisinstancepid
EXIT FOR
END IF
NEXT
IF i > tempfolderrecords THEN
'All indexes were busy. Let's initiate a new one:
PUT #fh, i, thisinstancepid
END IF
END IF
CLOSE #fh
IF i > 1 THEN
tmpdir$ = "./internal/temp" + str2$(i) + "/": tmpdir2$ = "../temp" + str2$(i) + "/"
IF _DIREXISTS(tmpdir$) = 0 THEN
MKDIR tmpdir$
END IF
END IF
OPEN tmpdir$ + "temp.bin" FOR OUTPUT LOCK WRITE AS #26
ELSE
ON ERROR GOTO qberror_test
E = 0
i = 1
OPEN tmpdir$ + "temp.bin" FOR OUTPUT LOCK WRITE AS #26
DO WHILE E
i = i + 1
IF i = 1000 THEN PRINT "Unable to locate the 'internal' folder": END
MKDIR ".\internal\temp" + str2$(i)
IF os$ = "WIN" THEN tmpdir$ = ".\internal\temp" + str2$(i) + "\": tmpdir2$ = "..\\temp" + str2$(i) + "\\"
IF os$ = "LNX" THEN tmpdir$ = "./internal/temp" + str2$(i) + "/": tmpdir2$ = "../temp" + str2$(i) + "/"
E = 0
OPEN tmpdir$ + "temp.bin" FOR OUTPUT LOCK WRITE AS #26
LOOP
END IF
'temp folder established
tempfolderindex = i
IF i > 1 THEN
'create modified version of qbx.cpp
OPEN ".\internal\c\qbx" + str2$(i) + ".cpp" FOR OUTPUT AS #2
OPEN ".\internal\c\qbx.cpp" FOR BINARY AS #1
DO UNTIL EOF(1)
LINE INPUT #1, a$
x = INSTR(a$, "..\\temp\\"): IF x THEN a$ = LEFT$(a$, x - 1) + "..\\temp" + str2$(i) + "\\" + RIGHT$(a$, LEN(a$) - (x + 9))
x = INSTR(a$, "../temp/"): IF x THEN a$ = LEFT$(a$, x - 1) + "../temp" + str2$(i) + "/" + RIGHT$(a$, LEN(a$) - (x + 7))
PRINT #2, a$
LOOP
CLOSE #1, #2
END IF
IF Debug THEN OPEN tmpdir$ + "debug.txt" FOR OUTPUT AS #9
ON ERROR GOTO qberror
DIM SHARED tempfolderindexstr AS STRING 'appended to "Untitled"
DIM SHARED tempfolderindexstr2 AS STRING
IF tempfolderindex <> 1 THEN tempfolderindexstr$ = "(" + str2$(tempfolderindex) + ")": tempfolderindexstr2$ = str2$(tempfolderindex)
DIM SHARED idedebuginfo
DIM SHARED seperateargs_error
DIM SHARED seperateargs_error_message AS STRING
DIM SHARED compfailed
DIM SHARED reginternalsubfunc
DIM SHARED reginternalvariable
DIM SHARED symboltype_size
symboltype_size = 0
DIM SHARED use_global_byte_elements
use_global_byte_elements = 0
'compiler-side IDE data & definitions
'SHARED variables "passed" to/from the compiler & IDE
DIM SHARED idecommand AS STRING 'a 1 byte message-type code, followed by optional string data
DIM SHARED idereturn AS STRING 'used to pass formatted-lines and return information back to the IDE
DIM SHARED ideerror AS LONG
DIM SHARED idecompiled AS LONG
DIM SHARED idemode '1 if using the IDE to compile
DIM SHARED ideerrorline AS LONG 'set by qb64-error(...) to the line number it would have reported, this number
'is later passed to the ide in message #8
DIM SHARED idemessage AS STRING 'set by qb64-error(...) to the error message to be reported, this
'is later passed to the ide in message #8
DIM SHARED optionexplicit AS _BYTE
DIM SHARED optionexplicit_cmd AS _BYTE
DIM SHARED ideStartAtLine AS LONG, errorLineInInclude AS LONG
DIM SHARED outputfile_cmd$
DIM SHARED compilelog$
'$INCLUDE:'global\IDEsettings.bas'
CMDLineFile = ParseCMDLineArgs$
IF ConsoleMode THEN
_DEST _CONSOLE
ELSE
_CONSOLE OFF
_SCREENSHOW
_ICON
END IF
'the function ?=ide(?) should always be passed 0, it returns a message code number, any further information
'is passed back in idereturn
'message code numbers:
'0 no ide present (auto defined array ide() return 0)
'1 launch ide & with passed filename (compiler->ide)
'2 begin new compilation with returned line of code (compiler<-ide)
' [2][line of code]
'3 request next line (compiler->ide)
' [3]
'4 next line of code returned (compiler<-ide)
' [4][line of code]
'5 no more lines of code exist (compiler<-ide)
' [5]
'6 code is OK/ready (compiler->ide)
' [6]
'7 repass the code from the beginning (compiler->ide)
' [7]
'8 an error has occurred with 'this' message on 'this' line(compiler->ide)
' [8][error message][line as LONG]
'9 C++ compile (if necessary) and run with 'this' name (compiler<-ide)
' [9][name(no path, no .bas)]
'10 The line requires more time to process
' Pass-back 'line of code' using method [4] when ready
' [10][line of code]
'11 ".EXE file created" message
'12 The name of the exe I'll create is '...' (compiler->ide)
' [12][exe name without .exe]
'255 A qb error happened in the IDE (compiler->ide)
' note: detected by the fact that ideerror was not set to 0
' [255]
'hash table data
TYPE HashListItem
Flags AS LONG
Reference AS LONG
NextItem AS LONG
PrevItem AS LONG
LastItem AS LONG 'note: this value is only valid on the first item in the list
'note: name is stored in a seperate array of strings
END TYPE
DIM SHARED HashFind_NextListItem AS LONG
DIM SHARED HashFind_Reverse AS LONG
DIM SHARED HashFind_SearchFlags AS LONG
DIM SHARED HashFind_Name AS STRING
DIM SHARED HashRemove_LastFound AS LONG
DIM SHARED HashListSize AS LONG
DIM SHARED HashListNext AS LONG
DIM SHARED HashListFreeSize AS LONG
DIM SHARED HashListFreeLast AS LONG
'hash lookup tables
DIM SHARED hash1char(255) AS INTEGER
DIM SHARED hash2char(65535) AS INTEGER
FOR x = 1 TO 26
hash1char(64 + x) = x
hash1char(96 + x) = x
NEXT
hash1char(95) = 27 '_
hash1char(48) = 28 '0
hash1char(49) = 29 '1
hash1char(50) = 30 '2
hash1char(51) = 31 '3
hash1char(52) = 23 '4 'note: x, y, z and beginning alphabet letters avoided because of common usage (eg. a2, y3)
hash1char(53) = 22 '5
hash1char(54) = 20 '6
hash1char(55) = 19 '7
hash1char(56) = 18 '8
hash1char(57) = 17 '9
FOR c1 = 0 TO 255
FOR c2 = 0 TO 255
hash2char(c1 + c2 * 256) = hash1char(c1) + hash1char(c2) * 32
NEXT
NEXT
'init
HashListSize = 65536
HashListNext = 1
HashListFreeSize = 1024
HashListFreeLast = 0
REDIM SHARED HashList(1 TO HashListSize) AS HashListItem
REDIM SHARED HashListName(1 TO HashListSize) AS STRING * 256
REDIM SHARED HashListFree(1 TO HashListFreeSize) AS LONG
REDIM SHARED HashTable(16777215) AS LONG '64MB lookup table with indexes to the hashlist
CONST HASHFLAG_LABEL = 2
CONST HASHFLAG_TYPE = 4
CONST HASHFLAG_RESERVED = 8
CONST HASHFLAG_OPERATOR = 16
CONST HASHFLAG_CUSTOMSYNTAX = 32
CONST HASHFLAG_SUB = 64
CONST HASHFLAG_FUNCTION = 128
CONST HASHFLAG_UDT = 256
CONST HASHFLAG_UDTELEMENT = 512
CONST HASHFLAG_CONSTANT = 1024
CONST HASHFLAG_VARIABLE = 2048
CONST HASHFLAG_ARRAY = 4096
CONST HASHFLAG_XELEMENTNAME = 8192
CONST HASHFLAG_XTYPENAME = 16384
TYPE Label_Type
State AS _UNSIGNED _BYTE '0=label referenced, 1=label created
cn AS STRING * 256
Scope AS LONG
Data_Offset AS _INTEGER64 'offset within data
Data_Referenced AS _UNSIGNED _BYTE 'set to 1 if data is referenced (data_offset will be used to create the data offset variable)
Error_Line AS LONG 'the line number to reference on errors
Scope_Restriction AS LONG 'cannot exist inside this scope (post checked)
SourceLineNumber AS LONG
END TYPE
DIM SHARED nLabels, Labels_Ubound
Labels_Ubound = 100
REDIM SHARED Labels(1 TO Labels_Ubound) AS Label_Type
DIM SHARED Empty_Label AS Label_Type
DIM SHARED PossibleSubNameLabels AS STRING 'format: name+sp+name+sp+name <-ucase$'d
DIM SHARED SubNameLabels AS STRING 'format: name+sp+name+sp+name <-ucase$'d
DIM SHARED CreatingLabel AS LONG
DIM SHARED AllowLocalName AS LONG
DIM SHARED DataOffset
DIM SHARED prepass
DIM SHARED autoarray
DIM SHARED ontimerid, onkeyid, onstrigid
DIM SHARED revertmaymusthave(1 TO 10000)
DIM SHARED revertmaymusthaven
DIM SHARED linecontinuation
DIM SHARED dim2typepassback AS STRING 'passes back correct case sensitive version of type
DIM SHARED inclevel
DIM SHARED incname(100) AS STRING 'must be full path as given
DIM SHARED inclinenumber(100) AS LONG
DIM SHARED incerror AS STRING
REDIM SHARED ReplaceList(100) AS STRING
REDIM SHARED ReplaceWith(100) AS STRING
DIM SHARED ReplaceCount AS LONG
DIM SHARED fix046 AS STRING
fix046$ = "__" + "ASCII" + "_" + "CHR" + "_" + "046" + "__" 'broken up to avoid detection for layout reversion
DIM SHARED layout AS STRING 'passed to IDE
DIM SHARED layoutok AS LONG 'tracks status of entire line
DIM SHARED layoutcomment AS STRING
DIM SHARED tlayout AS STRING 'temporary layout string set by supporting functions
DIM SHARED layoutdone AS LONG 'tracks status of single command
DIM SHARED fooindwel
DIM SHARED alphanumeric(255)
FOR i = 48 TO 57
alphanumeric(i) = -1
NEXT
FOR i = 65 TO 90
alphanumeric(i) = -1
NEXT
FOR i = 97 TO 122
alphanumeric(i) = -1
NEXT
'_ is treated as an alphabet letter
alphanumeric(95) = -1
DIM SHARED isalpha(255)
FOR i = 65 TO 90
isalpha(i) = -1
NEXT
FOR i = 97 TO 122
isalpha(i) = -1
NEXT
'_ is treated as an alphabet letter
isalpha(95) = -1
DIM SHARED isnumeric(255)
FOR i = 48 TO 57
isnumeric(i) = -1
NEXT
DIM SHARED lfsinglechar(255)
lfsinglechar(40) = 1 '(
lfsinglechar(41) = 1 ')
lfsinglechar(42) = 1 '*
lfsinglechar(43) = 1 '+
lfsinglechar(45) = 1 '-
lfsinglechar(47) = 1 '/
lfsinglechar(60) = 1 '<
lfsinglechar(61) = 1 '=
lfsinglechar(62) = 1 '>
lfsinglechar(92) = 1 '\
lfsinglechar(94) = 1 '^
lfsinglechar(44) = 1 ',
lfsinglechar(46) = 1 '.
lfsinglechar(58) = 1 ':
lfsinglechar(59) = 1 ';
lfsinglechar(35) = 1 '# (file no only)
lfsinglechar(36) = 1 '$ (metacommand only)
lfsinglechar(63) = 1 '? (print macro)
lfsinglechar(95) = 1 '_
DIM SHARED nextrunlineindex AS LONG
DIM SHARED lineinput3buffer AS STRING
DIM SHARED lineinput3index AS LONG
DIM SHARED dimstatic AS LONG
DIM SHARED staticarraylist AS STRING
DIM SHARED staticarraylistn AS LONG
DIM SHARED commonarraylist AS STRING
DIM SHARED commonarraylistn AS LONG
'CONST support
DIM SHARED constmax AS LONG
constmax = 100
DIM SHARED constlast AS LONG
constlast = -1
REDIM SHARED constname(constmax) AS STRING
REDIM SHARED constcname(constmax) AS STRING
REDIM SHARED constnamesymbol(constmax) AS STRING 'optional name symbol
' `1 and `no-number must be handled correctly
'DIM SHARED constlastshared AS LONG 'so any defined inside a sub/function after this index can be "forgotten" when sub/function exits
'constlastshared = -1
REDIM SHARED consttype(constmax) AS LONG 'variable type number
'consttype determines storage
REDIM SHARED constinteger(constmax) AS _INTEGER64
REDIM SHARED constuinteger(constmax) AS _UNSIGNED _INTEGER64
REDIM SHARED constfloat(constmax) AS _FLOAT
REDIM SHARED conststring(constmax) AS STRING
REDIM SHARED constsubfunc(constmax) AS LONG
REDIM SHARED constdefined(constmax) AS LONG
'UDT
'names
DIM SHARED lasttype AS LONG
DIM SHARED udtxname(1000) AS STRING * 256
DIM SHARED udtxcname(1000) AS STRING * 256
DIM SHARED udtxsize(1000) AS LONG
DIM SHARED udtxbytealign(1000) AS INTEGER 'first element MUST be on a byte alignment & size is a multiple of 8
DIM SHARED udtxnext(1000) AS LONG
'elements
DIM SHARED lasttypeelement AS LONG
DIM SHARED udtename(1000) AS STRING * 256
DIM SHARED udtecname(1000) AS STRING * 256
DIM SHARED udtebytealign(1000) AS INTEGER
DIM SHARED udtesize(1000) AS LONG
DIM SHARED udtetype(1000) AS LONG
DIM SHARED udtetypesize(1000) AS LONG
DIM SHARED udtearrayelements(1000) AS LONG
DIM SHARED udtenext(1000) AS LONG
TYPE idstruct
n AS STRING * 256 'name
cn AS STRING * 256 'case sensitive version of n
arraytype AS LONG 'similar to t
arrayelements AS INTEGER
staticarray AS INTEGER 'set for arrays declared in the main module with static elements
mayhave AS STRING * 8 'mayhave and musthave are exclusive of each other
musthave AS STRING * 8
t AS LONG 'type
tsize AS LONG
subfunc AS INTEGER 'if function=1, sub=2 (max 100 arguments)
Dependency AS INTEGER
internal_subfunc AS INTEGER
callname AS STRING * 256
ccall AS INTEGER
overloaded AS _BYTE
args AS INTEGER
minargs AS INTEGER
arg AS STRING * 400 'similar to t
argsize AS STRING * 400 'similar to tsize (used for fixed length strings)
specialformat AS STRING * 256
secondargmustbe AS STRING * 256
secondargcantbe AS STRING * 256
ret AS LONG 'the value it returns if it is a function (again like t)
insubfunc AS STRING * 256
insubfuncn AS LONG
share AS INTEGER
nele AS STRING * 100
nelereq AS STRING * 100
linkid AS LONG
linkarg AS INTEGER
staticscope AS INTEGER
'For variables which are arguments passed to a sub/function
sfid AS LONG 'id number of variable's parent sub/function
sfarg AS INTEGER 'argument/parameter # within call (1=first)
NoCloud AS INTEGER
END TYPE
DIM SHARED id AS idstruct
DIM SHARED idn AS LONG
DIM SHARED ids_max AS LONG
ids_max = 1024
REDIM SHARED ids(1 TO ids_max) AS idstruct
REDIM SHARED cmemlist(1 TO ids_max + 1) AS INTEGER 'variables that must be in cmem
REDIM SHARED sfcmemargs(1 TO ids_max + 1) AS STRING * 100 's/f arg that must be in cmem
REDIM SHARED arrayelementslist(1 TO ids_max + 1) AS INTEGER 'arrayelementslist (like cmemlist) helps to resolve the number of elements in arrays with an unknown number of elements. Note: arrays with an unknown number of elements have .arrayelements=-1
'create blank id template for idclear to copy (stops strings being set to chr$(0))
DIM SHARED cleariddata AS idstruct
cleariddata.cn = ""
cleariddata.n = ""
cleariddata.mayhave = ""
cleariddata.musthave = ""
cleariddata.callname = ""
cleariddata.arg = ""
cleariddata.argsize = ""
cleariddata.specialformat = ""
cleariddata.secondargmustbe = ""
cleariddata.secondargcantbe = ""
cleariddata.insubfunc = ""
cleariddata.nele = ""
cleariddata.nelereq = ""
DIM SHARED ISSTRING AS LONG
DIM SHARED ISFLOAT AS LONG
DIM SHARED ISUNSIGNED AS LONG
DIM SHARED ISPOINTER AS LONG
DIM SHARED ISFIXEDLENGTH AS LONG
DIM SHARED ISINCONVENTIONALMEMORY AS LONG
DIM SHARED ISOFFSETINBITS AS LONG
DIM SHARED ISARRAY AS LONG
DIM SHARED ISREFERENCE AS LONG
DIM SHARED ISUDT AS LONG
DIM SHARED ISOFFSET AS LONG
DIM SHARED STRINGTYPE AS LONG
DIM SHARED BITTYPE AS LONG
DIM SHARED UBITTYPE AS LONG
DIM SHARED BYTETYPE AS LONG
DIM SHARED UBYTETYPE AS LONG
DIM SHARED INTEGERTYPE AS LONG
DIM SHARED UINTEGERTYPE AS LONG
DIM SHARED LONGTYPE AS LONG
DIM SHARED ULONGTYPE AS LONG
DIM SHARED INTEGER64TYPE AS LONG
DIM SHARED UINTEGER64TYPE AS LONG
DIM SHARED SINGLETYPE AS LONG
DIM SHARED DOUBLETYPE AS LONG
DIM SHARED FLOATTYPE AS LONG
DIM SHARED OFFSETTYPE AS LONG
DIM SHARED UOFFSETTYPE AS LONG
DIM SHARED UDTTYPE AS LONG
DIM SHARED gosubid AS LONG
DIM SHARED redimoption AS INTEGER
DIM SHARED dimoption AS INTEGER
DIM SHARED arraydesc AS INTEGER
DIM SHARED qberrorhappened AS INTEGER
DIM SHARED qberrorcode AS INTEGER
DIM SHARED qberrorline AS INTEGER
'COMMON SHARED defineaz() AS STRING
'COMMON SHARED defineextaz() AS STRING
DIM SHARED sourcefile AS STRING 'the full path and filename
DIM SHARED file AS STRING 'name of the file (without .bas or path)
'COMMON SHARED separgs() AS STRING
DIM SHARED constequation AS INTEGER
DIM SHARED DynamicMode AS INTEGER
DIM SHARED findidsecondarg AS STRING
DIM SHARED findanotherid AS INTEGER
DIM SHARED findidinternal AS LONG
DIM SHARED currentid AS LONG 'is the index of the last ID accessed
DIM SHARED linenumber AS LONG
DIM SHARED wholeline AS STRING
DIM SHARED linefragment AS STRING
'COMMON SHARED bitmask() AS _INTEGER64
'COMMON SHARED bitmaskinv() AS _INTEGER64
DIM SHARED arrayprocessinghappened AS INTEGER
DIM SHARED stringprocessinghappened AS INTEGER
DIM SHARED cleanupstringprocessingcall AS STRING
DIM SHARED recompile AS INTEGER 'forces recompilation
'COMMON SHARED cmemlist() AS INTEGER
DIM SHARED optionbase AS INTEGER
DIM SHARED addmetastatic AS INTEGER
DIM SHARED addmetadynamic AS INTEGER
DIM SHARED addmetainclude AS STRING
DIM SHARED closedmain AS INTEGER
DIM SHARED module AS STRING
DIM SHARED subfunc AS STRING
DIM SHARED subfuncn AS LONG
DIM SHARED subfuncid AS LONG
DIM SHARED defdatahandle AS INTEGER
DIM SHARED dimsfarray AS INTEGER
DIM SHARED dimshared AS INTEGER
'Allows passing of known elements to recompilation
DIM SHARED sflistn AS INTEGER
'COMMON SHARED sfidlist() AS LONG
'COMMON SHARED sfarglist() AS INTEGER
'COMMON SHARED sfelelist() AS INTEGER
DIM SHARED glinkid AS LONG
DIM SHARED glinkarg AS INTEGER
DIM SHARED typname2typsize AS LONG
DIM SHARED uniquenumbern AS LONG
'CLEAR , , 16384
DIM SHARED bitmask(1 TO 56) AS _INTEGER64
DIM SHARED bitmaskinv(1 TO 56) AS _INTEGER64
DIM SHARED defineextaz(1 TO 27) AS STRING
DIM SHARED defineaz(1 TO 27) AS STRING '27 is an underscore
ISSTRING = 1073741824
ISFLOAT = 536870912
ISUNSIGNED = 268435456
ISPOINTER = 134217728
ISFIXEDLENGTH = 67108864 'only set for strings with pointer flag
ISINCONVENTIONALMEMORY = 33554432
ISOFFSETINBITS = 16777216
ISARRAY = 8388608
ISREFERENCE = 4194304
ISUDT = 2097152
ISOFFSET = 1048576
STRINGTYPE = ISSTRING + ISPOINTER
BITTYPE = 1& + ISPOINTER + ISOFFSETINBITS
UBITTYPE = 1& + ISPOINTER + ISUNSIGNED + ISOFFSETINBITS 'QB64 will also support BIT*n, eg. DIM bitarray[10] AS _UNSIGNED _BIT*10
BYTETYPE = 8& + ISPOINTER
UBYTETYPE = 8& + ISPOINTER + ISUNSIGNED
INTEGERTYPE = 16& + ISPOINTER
UINTEGERTYPE = 16& + ISPOINTER + ISUNSIGNED
LONGTYPE = 32& + ISPOINTER
ULONGTYPE = 32& + ISPOINTER + ISUNSIGNED
INTEGER64TYPE = 64& + ISPOINTER
UINTEGER64TYPE = 64& + ISPOINTER + ISUNSIGNED
SINGLETYPE = 32& + ISFLOAT + ISPOINTER
DOUBLETYPE = 64& + ISFLOAT + ISPOINTER
FLOATTYPE = 256& + ISFLOAT + ISPOINTER '8-32 bytes
OFFSETTYPE = 64& + ISOFFSET + ISPOINTER: IF OS_BITS = 32 THEN OFFSETTYPE = 32& + ISOFFSET + ISPOINTER
UOFFSETTYPE = 64& + ISOFFSET + ISUNSIGNED + ISPOINTER: IF OS_BITS = 32 THEN UOFFSETTYPE = 32& + ISOFFSET + ISUNSIGNED + ISPOINTER
UDTTYPE = ISUDT + ISPOINTER
DIM SHARED statementn AS LONG
DIM controllevel AS INTEGER '0=not in a control block
DIM controltype(1000) AS INTEGER
'1=IF (awaiting END IF)
'2=FOR (awaiting NEXT)
'3=DO (awaiting LOOP [UNTIL|WHILE param])
'4=DO WHILE/UNTIL (awaiting LOOP)
'5=WHILE (awaiting WEND)
'10=SELECT CASE qbs (awaiting END SELECT/CASE)
'11=SELECT CASE int64 (awaiting END SELECT/CASE)
'12=SELECT CASE uint64 (awaiting END SELECT/CASE)
'13=SELECT CASE LONG double (awaiting END SELECT/CASE/CASE ELSE)
'14=SELECT CASE float ...
'15=SELECT CASE double
'16=SELECT CASE int32
'17=SELECT CASE uint32
'18=CASE (awaiting END SELECT/CASE/CASE ELSE)
'19=CASE ELSE (awaiting END SELECT)
DIM controlid(1000) AS LONG
DIM controlvalue(1000) AS LONG
DIM controlstate(1000) AS INTEGER
DIM controlref(1000) AS LONG 'the line number the control was created on
ON ERROR GOTO qberror
i2&& = 1
FOR i&& = 1 TO 56
bitmask(i&&) = i2&&
bitmaskinv(i&&) = NOT i2&&
i2&& = i2&& + 2 ^ i&&
NEXT
DIM id2 AS idstruct
cleanupstringprocessingcall$ = "qbs_cleanup(qbs_tmp_base,"
DIM SHARED sfidlist(1000) AS LONG
DIM SHARED sfarglist(1000) AS INTEGER
DIM SHARED sfelelist(1000) AS INTEGER
'----------------ripgl.bas--------------------------------------------------------------------------------
gl_scan_header
'----------------ripgl.bas--------------------------------------------------------------------------------
'-----------------------QB64 COMPILER ONCE ONLY SETUP CODE ENDS HERE---------------------------------------
IF NoIDEMode THEN IDE_AutoPosition = 0: GOTO noide
IF IDE_AutoPosition AND NOT IDE_BypassAutoPosition THEN _SCREENMOVE IDE_LeftPosition, IDE_TopPosition
idemode = 1
sendc$ = "" 'no initial message
IF CMDLineFile <> "" THEN sendc$ = CHR$(1) + CMDLineFile
sendcommand:
idecommand$ = sendc$
C = ide(0)
ideerror = 0
IF C = 0 THEN idemode = 0: GOTO noide
c$ = idereturn$
IF C = 2 THEN 'begin
ideerrorline = 0 'addresses invalid prepass error line numbers being reported
idepass = 1
GOTO fullrecompile
ideret1:
wholeline$ = c$
GOTO ideprepass
ideret2:
IF lastLineReturn THEN GOTO lastLineReturn
sendc$ = CHR$(3) 'request next line
GOTO sendcommand
END IF
IF C = 4 THEN 'next line
IF idepass = 1 THEN
wholeline$ = c$
GOTO ideprepass
'(returns to ideret2: above)
END IF
'assume idepass>1
a3$ = c$
continuelinefrom = 0
GOTO ide4
ideret4:
IF lastLineReturn THEN GOTO lastLineReturn
sendc$ = CHR$(3) 'request next line
GOTO sendcommand
END IF
IF C = 5 THEN 'end of program reached
'bas code can be force-included after the last line
lastLine = 1
lastLineReturn = 1
IF idepass = 1 THEN
wholeline$ = ""
GOTO ideprepass
'(returns to ideret2: above, then to lastLinePrepassReturn below)
END IF
'idepass>1
a3$ = ""
continuelinefrom = 0
GOTO ide4 'returns to ideret4, then to lastLinePrepassReturn below
lastLineReturn:
lastLineReturn = 0
lastLine = 0
IF idepass = 1 THEN
'prepass complete
idepass = 2
GOTO ide3
ideret3:
sendc$ = CHR$(7) 'repass request
firstLine = 1
GOTO sendcommand
END IF
'assume idepass=2
'finalize program
GOTO ide5
ideret5: 'note: won't return here if a recompile was required!
sendc$ = CHR$(6) 'ready
idecompiled = 0
GOTO sendcommand
END IF
IF C = 9 THEN 'run
IF idecompiled = 0 THEN 'exe needs to be compiled
file$ = c$
'locate accessible file and truncate
f$ = file$
path.exe$ = ""
IF SaveExeWithSource THEN
IF LEN(ideprogname) THEN path.exe$ = idepath$ + pathsep$
END IF
i = 1
nextexeindex:
IF _FILEEXISTS(path.exe$ + file$ + extension$) THEN
E = 0
ON ERROR GOTO qberror_test
KILL path.exe$ + file$ + extension$
ON ERROR GOTO qberror
IF E = 1 THEN
i = i + 1
file$ = f$ + "(" + str2$(i) + ")"
GOTO nextexeindex
END IF
END IF
IF path.exe$ = "" THEN
IF INSTR(_OS$, "WIN") THEN path.exe$ = "..\..\" ELSE path.exe$ = "../../"
END IF
'inform IDE of name change if necessary (IDE will respond with message 9 and corrected name)
IF i <> 1 THEN
sendc$ = CHR$(12) + file$
GOTO sendcommand
END IF
ideerrorline = 0 'addresses C++ comp. error's line number
GOTO ide6
ideret6:
idecompiled = 1
END IF
IF MakeAndroid THEN
CreateAndroidProject file$
'generate program name
'pf$ = "programs\android\" + file$
'IF _DIREXISTS(pf$) = 0 THEN
' 'once only setup
' COLOR 7, 1: LOCATE idewy - 3, 2: PRINT SPACE$(idewx - 2);: LOCATE idewy - 2, 2: PRINT SPACE$(idewx - 2);: LOCATE idewy - 1, 2: PRINT SPACE$(idewx - 2); 'clear status window
' LOCATE idewy - 3, 2: PRINT "Initializing project [programs\android\" + file$ + "]...";
' PCOPY 3, 0
' MKDIR pf$
' SHELL _HIDE "cmd /c xcopy /e programs\android\project_template\*.* " + pf$
' SHELL _HIDE "cmd /c xcopy /e programs\android\eclipse_template\*.* " + pf$
' 'modify templates
' fr_fh = FREEFILE
' OPEN pf$ + "\AndroidManifest.xml" FOR BINARY AS #fr_fh
' a$ = SPACE$(LOF(fr_fh))
' GET #fr_fh, , a$
' CLOSE fr_fh
' OPEN pf$ + "\AndroidManifest.xml" FOR OUTPUT AS #fr_fh
' ss$ = CHR$(34) + "com.example.native_activity" + CHR$(34)
' file_namespace$ = LCASE$(file$)
' a = ASC(file_namespace$)
' IF a >= 48 AND a <= 57 THEN file_namespace$ = "ns_" + file_namespace$
' i = INSTR(a$, ss$)
' a$ = LEFT$(a$, i - 1) + CHR$(34) + "com.example." + file_namespace$ + CHR$(34) + RIGHT$(a$, LEN(a$) - i - LEN(ss$) + 1)
' PRINT #fr_fh, a$;
' CLOSE fr_fh
' fr_fh = FREEFILE
' OPEN pf$ + "\res\values\strings.xml" FOR BINARY AS #fr_fh
' a$ = SPACE$(LOF(fr_fh))
' GET #fr_fh, , a$
' CLOSE fr_fh
' OPEN pf$ + "\res\values\strings.xml" FOR OUTPUT AS #fr_fh
' ss$ = ">NativeActivity<"
' i = INSTR(a$, ss$)
' a$ = LEFT$(a$, i - 1) + ">" + file$ + "<" + RIGHT$(a$, LEN(a$) - i - LEN(ss$) + 1)
' PRINT #fr_fh, a$;
' CLOSE fr_fh
' fr_fh = FREEFILE
' OPEN pf$ + "\.project" FOR BINARY AS #fr_fh
' a$ = SPACE$(LOF(fr_fh))
' GET #fr_fh, , a$
' CLOSE fr_fh
' OPEN pf$ + "\.project" FOR OUTPUT AS #fr_fh
' ss$ = "NativeActivity"
' i = INSTR(a$, ss$)
' a$ = LEFT$(a$, i - 1) + "" + file$ + "" + RIGHT$(a$, LEN(a$) - i - LEN(ss$) + 1)
' PRINT #fr_fh, a$;
' CLOSE fr_fh
' IF _DIREXISTS(pf$ + "\jni\temp") = 0 THEN MKDIR pf$ + "\jni\temp"
' IF _DIREXISTS(pf$ + "\jni\c") = 0 THEN MKDIR pf$ + "\jni\c"
' 'c
' ex_fh = FREEFILE
' OPEN "internal\temp\xcopy_exclude.txt" FOR OUTPUT AS #ex_fh
' PRINT #ex_fh, "c_compiler\"
' CLOSE ex_fh
' SHELL _HIDE "cmd /c xcopy /e /EXCLUDE:internal\temp\xcopy_exclude.txt internal\c\*.* " + pf$ + "\jni\c"
'ELSE
' COLOR 7, 1: LOCATE idewy - 3, 2: PRINT SPACE$(idewx - 2);: LOCATE idewy - 2, 2: PRINT SPACE$(idewx - 2);: LOCATE idewy - 1, 2: PRINT SPACE$(idewx - 2); 'clear status window
' LOCATE idewy - 3, 2: PRINT "Updating project [programs\android\" + file$ + "]...";
' PCOPY 3, 0
'END IF
''temp
'SHELL _HIDE "cmd /c del " + pf$ + "\jni\temp\*.txt"
'SHELL _HIDE "cmd /c copy " + tmpdir$ + "*.txt " + pf$ + "\jni\temp"
''touch main.cpp (for ndk)
'fr_fh = FREEFILE
'OPEN pf$ + "\jni\main.cpp" FOR BINARY AS #fr_fh
'a$ = SPACE$(LOF(fr_fh))
'GET #fr_fh, , a$
'CLOSE fr_fh
'OPEN pf$ + "\jni\main.cpp" FOR OUTPUT AS #fr_fh
'IF ASC(a$, LEN(a$)) <> 32 THEN a$ = a$ + " " ELSE a$ = LEFT$(a$, LEN(a$) - 1)
'PRINT #fr_fh, a$;
'CLOSE fr_fh
''note: .bat files affect the directory they are called from
'CHDIR pf$
'IF INSTR(IdeAndroidStartScript$, ":") THEN
' SHELL _HIDE IdeAndroidMakeScript$
'ELSE
' SHELL _HIDE "..\..\..\" + IdeAndroidMakeScript$
'END IF
'CHDIR "..\..\.."
'''touch manifest (for Eclipse)
''fr_fh = FREEFILE
''OPEN pf$ + "\AndroidManifest.xml" FOR BINARY AS #fr_fh
''a$ = SPACE$(LOF(fr_fh))
''GET #fr_fh, , a$
''CLOSE fr_fh
''OPEN pf$ + "\AndroidManifest.xml" FOR OUTPUT AS #fr_fh
''IF ASC(a$, LEN(a$)) <> 32 THEN a$ = a$ + " " ELSE a$ = LEFT$(a$, LEN(a$) - 1)
''PRINT #fr_fh, a$;
''CLOSE fr_fh
''^^^^above inconsistent^^^^
''clear the gen folder (for Eclipse)
'IF _DIREXISTS(pf$ + "\gen") THEN
' SHELL _HIDE "cmd /c rmdir /s /q " + pf$ + "\gen"
' SHELL _HIDE "cmd /c md " + pf$ + "\gen"
'END IF
sendc$ = CHR$(11) '".EXE file created" aka "Android project created"
GOTO sendcommand
END IF
IF iderunmode = 2 THEN
sendc$ = CHR$(11) '.EXE file created
GOTO sendcommand
END IF
'hack! (a new message should be sent to the IDE stating C++ compilation was successful)
COLOR 7, 1: LOCATE idewy - 3, 2: PRINT SPACE$(idewx - 2);: LOCATE idewy - 2, 2: PRINT SPACE$(idewx - 2);: LOCATE idewy - 1, 2: PRINT SPACE$(idewx - 2); 'clear status window
IF idemode THEN
'Darken fg/bg colors
dummy = DarkenFGBG(1)
COLOR 15
END IF
LOCATE idewy - 3, 2: PRINT "Starting program...";
PCOPY 3, 0
'execute program
IF iderunmode = 1 THEN
IF os$ = "WIN" THEN SHELL _DONTWAIT QuotedFilename$(CHR$(34) + path.exe$ + file$ + extension$ + CHR$(34)) + ModifyCOMMAND$
IF path.exe$ = "" THEN path.exe$ = "./"
IF os$ = "LNX" THEN SHELL _DONTWAIT QuotedFilename$(path.exe$ + file$ + extension$) + ModifyCOMMAND$
IF path.exe$ = "./" THEN path.exe$ = ""
ELSE
IF os$ = "WIN" THEN SHELL QuotedFilename$(CHR$(34) + path.exe$ + file$ + extension$ + CHR$(34)) + ModifyCOMMAND$
IF path.exe$ = "" THEN path.exe$ = "./"
IF os$ = "LNX" THEN SHELL QuotedFilename$(path.exe$ + file$ + extension$) + ModifyCOMMAND$
IF path.exe$ = "./" THEN path.exe$ = ""
DO: LOOP UNTIL INKEY$ = ""
DO: LOOP UNTIL _KEYHIT = 0
END IF
IF idemode THEN
'Darken fg/bg colors
dummy = DarkenFGBG(0)
END IF
sendc$ = CHR$(6) 'ready
GOTO sendcommand
END IF
PRINT "Invalid IDE message": END
ideerror:
IF INSTR(idemessage$, sp$) THEN
'Something went wrong here, so let's give a generic error message to the user.
'(No error message should contain sp$ - that is, CHR$(13), when not in Debug mode)
idemessage$ = "Compiler error (check for syntax errors) (Reference:"
IF ERR THEN idemessage$ = idemessage$ + str2$(ERR) + "-"
IF _ERRORLINE THEN idemessage$ = idemessage$ + str2$(_ERRORLINE)
IF _INCLERRORLINE THEN idemessage$ = idemessage$ + "-" + _INCLERRORFILE$ + "-" + str2$(_INCLERRORLINE)
idemessage$ = idemessage$ + ")"
IF inclevel > 0 THEN idemessage$ = idemessage$ + incerror$
END IF
sendc$ = CHR$(8) + idemessage$ + MKL$(ideerrorline)
GOTO sendcommand
noide:
PRINT "QB64 COMPILER V" + Version$
IF CMDLineFile = "" THEN
LINE INPUT ; "COMPILE (.bas)>", f$
ELSE
f$ = CMDLineFile
END IF
f$ = LTRIM$(RTRIM$(f$))
IF FileHasExtension(f$) = 0 THEN f$ = f$ + ".bas"
sourcefile$ = f$
'derive name from sourcefile
f$ = RemoveFileExtension$(f$)
path.exe$ = ""
currentdir$ = _CWD$
path.source$ = getfilepath$(sourcefile$)
IF LEN(path.source$) THEN
IF _DIREXISTS(path.source$) = 0 THEN
PRINT
PRINT "CANNOT LOCATE SOURCE FILE: " + sourcefile$
IF ConsoleMode THEN SYSTEM 1
END 1
END IF
CHDIR path.source$
path.source$ = _CWD$
IF RIGHT$(path.source$, 1) <> pathsep$ THEN path.source$ = path.source$ + pathsep$
CHDIR currentdir$
END IF
IF SaveExeWithSource THEN path.exe$ = path.source$
IF path.exe$ = "" THEN
IF INSTR(_OS$, "WIN") THEN path.exe$ = "..\..\" ELSE path.exe$ = "../../"
END IF
FOR x = LEN(f$) TO 1 STEP -1
a$ = MID$(f$, x, 1)
IF a$ = "/" OR a$ = "\" THEN
f$ = RIGHT$(f$, LEN(f$) - x)
EXIT FOR
END IF
NEXT
file$ = f$
'if cmemlist(currentid+1)<>0 before calling regid the variable
'MUST be defined in cmem!
fullrecompile:
BU_DEPENDENCY_CONSOLE_ONLY = DEPENDENCY(DEPENDENCY_CONSOLE_ONLY)
FOR i = 1 TO UBOUND(Dependency): DEPENDENCY(i) = 0: NEXT
DEPENDENCY(DEPENDENCY_CONSOLE_ONLY) = BU_DEPENDENCY_CONSOLE_ONLY AND 2 'Restore -g switch if used
Error_Happened = 0
FOR closeall = 1 TO 255: CLOSE closeall: NEXT
OPEN tmpdir$ + "temp.bin" FOR OUTPUT LOCK WRITE AS #26 'relock
fh = FREEFILE: OPEN tmpdir$ + "dyninfo.txt" FOR OUTPUT AS #fh: CLOSE #fh
IF Debug THEN CLOSE #9: OPEN tmpdir$ + "debug.txt" FOR OUTPUT AS #9
FOR i = 1 TO ids_max + 1
arrayelementslist(i) = 0
cmemlist(i) = 0
sfcmemargs(i) = ""
NEXT
'erase cmemlist
'erase sfcmemargs
lastunresolved = -1 'first pass
sflistn = -1 'no entries
SubNameLabels = sp 'QB64 will perform a repass to resolve sub names used as labels
DesiredVirtualKeyboardState = 0
IF MakeAndroid THEN DesiredVirtualKeyboardState = 1
RecompileAttemptsForVirtualKeyboardState = 0
recompile:
'For installing Android assets
REDIM SHARED installFiles(0) AS STRING
REDIM SHARED installFilesSourceLocation(0) AS STRING
REDIM SHARED installFilesIn(0) AS STRING
REDIM SHARED installFolder(0) AS STRING
REDIM SHARED installFolderSourceLocation(0) AS STRING
REDIM SHARED installFolderIn(0) AS STRING
'move desired state into active state
VirtualKeyboardState = DesiredVirtualKeyboardState
lastLineReturn = 0
lastLine = 0
firstLine = 1
Resize = 0
Resize_Scale = 0
UseGL = 0
Error_Happened = 0
HashClear 'clear the hash table
'add reserved words to hashtable
f = HASHFLAG_TYPE + HASHFLAG_RESERVED
HashAdd "_UNSIGNED", f, 0
HashAdd "_BIT", f, 0
HashAdd "_BYTE", f, 0
HashAdd "INTEGER", f, 0
HashAdd "LONG", f, 0
HashAdd "_INTEGER64", f, 0
HashAdd "_OFFSET", f, 0
HashAdd "SINGLE", f, 0
HashAdd "DOUBLE", f, 0
HashAdd "_FLOAT", f, 0
HashAdd "STRING", f, 0
HashAdd "ANY", f, 0
f = HASHFLAG_OPERATOR + HASHFLAG_RESERVED
HashAdd "NOT", f, 0
HashAdd "IMP", f, 0
HashAdd "EQV", f, 0
HashAdd "AND", f, 0
HashAdd "OR", f, 0
HashAdd "XOR", f, 0
HashAdd "MOD", f, 0
f = HASHFLAG_RESERVED + HASHFLAG_CUSTOMSYNTAX
HashAdd "LIST", f, 0
HashAdd "BASE", f, 0
HashAdd "_EXPLICIT", f, 0
HashAdd "AS", f, 0
HashAdd "IS", f, 0
HashAdd "OFF", f, 0
HashAdd "ON", f, 0
HashAdd "STOP", f, 0
HashAdd "TO", f, 0
HashAdd "USING", f, 0
'PUT(graphics) statement:
HashAdd "PRESET", f, 0
HashAdd "PSET", f, 0
'OPEN statement:
HashAdd "FOR", f, 0
HashAdd "OUTPUT", f, 0
HashAdd "RANDOM", f, 0
HashAdd "BINARY", f, 0
HashAdd "APPEND", f, 0
HashAdd "SHARED", f, 0
HashAdd "ACCESS", f, 0
HashAdd "LOCK", f, 0
HashAdd "READ", f, 0
HashAdd "WRITE", f, 0
'LINE statement:
HashAdd "STEP", f, 0
'WIDTH statement:
HashAdd "LPRINT", f, 0
'VIEW statement:
HashAdd "PRINT", f, 0
f = HASHFLAG_RESERVED + HASHFLAG_XELEMENTNAME + HASHFLAG_XTYPENAME
'A
'B
'C
HashAdd "COMMON", f, 0
HashAdd "CALL", f, 0
HashAdd "CASE", f - HASHFLAG_XELEMENTNAME, 0
HashAdd "COM", f, 0 '(ON...)
HashAdd "CONST", f, 0
'D
HashAdd "DATA", f, 0
HashAdd "DECLARE", f, 0
HashAdd "DEF", f, 0
HashAdd "DEFDBL", f, 0
HashAdd "DEFINT", f, 0
HashAdd "DEFLNG", f, 0
HashAdd "DEFSNG", f, 0
HashAdd "DEFSTR", f, 0
HashAdd "DIM", f, 0
HashAdd "DO", f - HASHFLAG_XELEMENTNAME, 0
'E
HashAdd "ERROR", f - HASHFLAG_XELEMENTNAME, 0 '(ON ...)
HashAdd "ELSE", f, 0
HashAdd "ELSEIF", f, 0
HashAdd "ENDIF", f, 0
HashAdd "EXIT", f - HASHFLAG_XELEMENTNAME, 0
'F
HashAdd "FIELD", f - HASHFLAG_XELEMENTNAME, 0
HashAdd "FUNCTION", f, 0
'G
HashAdd "GOSUB", f, 0
HashAdd "GOTO", f, 0
'H
'I
HashAdd "INPUT", f - HASHFLAG_XELEMENTNAME - HASHFLAG_XTYPENAME, 0 '(INPUT$ function exists, so conflicts if allowed as custom syntax)
HashAdd "IF", f, 0
'K
HashAdd "KEY", f - HASHFLAG_XELEMENTNAME - HASHFLAG_XTYPENAME, 0 '(ON...)
'L
HashAdd "LET", f - HASHFLAG_XELEMENTNAME, 0
HashAdd "LOOP", f - HASHFLAG_XELEMENTNAME, 0
HashAdd "LEN", f - HASHFLAG_XELEMENTNAME, 0 '(LEN function exists, so conflicts if allowed as custom syntax)
'M
'N
HashAdd "NEXT", f - HASHFLAG_XELEMENTNAME, 0
'O
'P
HashAdd "PLAY", f - HASHFLAG_XELEMENTNAME - HASHFLAG_XTYPENAME, 0 '(ON...)
HashAdd "PEN", f - HASHFLAG_XELEMENTNAME - HASHFLAG_XTYPENAME, 0 '(ON...)
'Q
'R
HashAdd "REDIM", f, 0
HashAdd "REM", f, 0
HashAdd "RESTORE", f - HASHFLAG_XELEMENTNAME, 0
HashAdd "RESUME", f - HASHFLAG_XELEMENTNAME, 0
HashAdd "RETURN", f - HASHFLAG_XELEMENTNAME, 0
HashAdd "RUN", f - HASHFLAG_XELEMENTNAME, 0
'S
HashAdd "STATIC", f, 0
HashAdd "STRIG", f, 0 '(ON...)
HashAdd "SEG", f, 0
HashAdd "SELECT", f - HASHFLAG_XELEMENTNAME - HASHFLAG_XTYPENAME, 0
HashAdd "SUB", f, 0
HashAdd "SCREEN", f - HASHFLAG_XELEMENTNAME - HASHFLAG_XTYPENAME, 0
'T
HashAdd "THEN", f, 0
HashAdd "TIMER", f - HASHFLAG_XELEMENTNAME - HASHFLAG_XTYPENAME, 0 '(ON...)
HashAdd "TYPE", f - HASHFLAG_XELEMENTNAME, 0
'U
HashAdd "UNTIL", f, 0
HashAdd "UEVENT", f, 0
'V
'W
HashAdd "WEND", f, 0
HashAdd "WHILE", f, 0
'X
'Y
'Z
'clear/init variables
Console = 0
ScreenHide = 0
ResolveStaticFunctions = 0
dynamiclibrary = 0
dimsfarray = 0
dimstatic = 0
AllowLocalName = 0
PossibleSubNameLabels = sp 'QB64 will perform a repass to resolve sub names used as labels
use_global_byte_elements = 0
dimshared = 0: dimmethod = 0: dimoption = 0: redimoption = 0: commonoption = 0
mylib$ = "": mylibopt$ = ""
declaringlibrary = 0
nLabels = 0
dynscope = 0
elsefollowup = 0
ontimerid = 0: onkeyid = 0: onstrigid = 0
commonarraylist = "": commonarraylistn = 0
staticarraylist = "": staticarraylistn = 0
fooindwel = 0
layout = ""
layoutok = 0
NoChecks = 0
inclevel = 0
errorLineInInclude = 0
addmetainclude$ = ""
nextrunlineindex = 1
lasttype = 0
lasttypeelement = 0
definingtype = 0
constlast = -1
'constlastshared = -1
defdatahandle = 18
closedmain = 0
addmetastatic = 0
addmetadynamic = 0
DynamicMode = 0
optionbase = 0
optionexplicit = 0: IF optionexplicit_cmd = -1 AND NoIDEMode = 1 THEN optionexplicit = -1
ExeIconSet = 0
VersionInfoSet = 0
viFileVersionNum$ = "": viProductVersionNum$ = "": viCompanyName$ = ""
viFileDescription$ = "": viFileVersion$ = "": viInternalName$ = ""
viLegalCopyright$ = "": viLegalTrademarks$ = "": viOriginalFilename$ = ""
viProductName$ = "": viProductVersion$ = "": viComments$ = "": viWeb$ = ""
DataOffset = 0
statementn = 0
qberrorhappened = 0: qberrorcode = 0: qberrorline = 0
FOR i = 1 TO 27: defineaz(i) = "SINGLE": defineextaz(i) = "!": NEXT
controllevel = 0
findidsecondarg$ = "": findanotherid = 0: findidinternal = 0: currentid = 0
linenumber = 0
wholeline$ = ""
linefragment$ = ""
idn = 0
arrayprocessinghappened = 0
stringprocessinghappened = 0
subfuncn = 0
subfunc = ""
SelectCaseCounter = 0
ExecCounter = 0
UserDefineCount = 6
''create a type for storing memory blocks
''UDT
''names
'DIM SHARED lasttype AS LONG
'DIM SHARED udtxname(1000) AS STRING * 256
'DIM SHARED udtxcname(1000) AS STRING * 256
'DIM SHARED udtxsize(1000) AS LONG
'DIM SHARED udtxbytealign(1000) AS INTEGER 'first element MUST be on a byte alignment & size is a multiple of 8
'DIM SHARED udtxnext(1000) AS LONG
''elements
'DIM SHARED lasttypeelement AS LONG
'DIM SHARED udtename(1000) AS STRING * 256
'DIM SHARED udtecname(1000) AS STRING * 256
'DIM SHARED udtebytealign(1000) AS INTEGER
'DIM SHARED udtesize(1000) AS LONG
'DIM SHARED udtetype(1000) AS LONG
'DIM SHARED udtetypesize(1000) AS LONG
'DIM SHARED udtearrayelements(1000) AS LONG
'DIM SHARED udtenext(1000) AS LONG
'import _MEM type
ptrsz = OS_BITS \ 8
IF Cloud = 0 THEN
lasttype = lasttype + 1: i = lasttype
udtxname(i) = "_MEM"
udtxcname(i) = "_MEM"
udtxsize(i) = ((ptrsz) * 5 + (4) * 1 + (8) * 1) * 8
udtxbytealign(i) = 1
lasttypeelement = lasttypeelement + 1: i2 = lasttypeelement
udtename(i2) = "OFFSET"
udtecname(i2) = "OFFSET"
udtebytealign(i2) = 1
udtetype(i2) = OFFSETTYPE: udtesize(i2) = ptrsz * 8
udtetypesize(i2) = 0 'tsize
udtxnext(i) = i2
i3 = i2
lasttypeelement = lasttypeelement + 1: i2 = lasttypeelement
udtename(i2) = "SIZE"
udtecname(i2) = "SIZE"
udtebytealign(i2) = 1
udtetype(i2) = OFFSETTYPE: udtesize(i2) = ptrsz * 8
udtetypesize(i2) = 0 'tsize
udtenext(i3) = i2
i3 = i2
lasttypeelement = lasttypeelement + 1: i2 = lasttypeelement
udtename(i2) = "$_LOCK_ID"
udtecname(i2) = "$_LOCK_ID"
udtebytealign(i2) = 1
udtetype(i2) = INTEGER64TYPE: udtesize(i2) = 64
udtetypesize(i2) = 0 'tsize
udtenext(i3) = i2
i3 = i2
lasttypeelement = lasttypeelement + 1: i2 = lasttypeelement
udtename(i2) = "$_LOCK_OFFSET"
udtecname(i2) = "$_LOCK_OFFSET"
udtebytealign(i2) = 1
udtetype(i2) = OFFSETTYPE: udtesize(i2) = ptrsz * 8
udtetypesize(i2) = 0 'tsize
udtenext(i3) = i2
i3 = i2
lasttypeelement = lasttypeelement + 1: i2 = lasttypeelement
udtename(i2) = "TYPE"
udtecname(i2) = "TYPE"
udtebytealign(i2) = 1
udtetype(i2) = OFFSETTYPE: udtesize(i2) = ptrsz * 8
udtetypesize(i2) = 0 'tsize
udtenext(i3) = i2
i3 = i2
lasttypeelement = lasttypeelement + 1: i2 = lasttypeelement
udtename(i2) = "ELEMENTSIZE"
udtecname(i2) = "ELEMENTSIZE"
udtebytealign(i2) = 1
udtetype(i2) = OFFSETTYPE: udtesize(i2) = ptrsz * 8
udtetypesize(i2) = 0 'tsize
udtenext(i3) = i2
udtenext(i2) = 0
i3 = i2
lasttypeelement = lasttypeelement + 1: i2 = lasttypeelement
udtename(i2) = "IMAGE"
udtecname(i2) = "IMAGE"
udtebytealign(i2) = 1
udtetype(i2) = LONGTYPE: udtesize(i2) = 32
udtetypesize(i2) = 0 'tsize
udtenext(i3) = i2
udtenext(i2) = 0
END IF 'cloud = 0
'begin compilation
FOR closeall = 1 TO 255: CLOSE closeall: NEXT
OPEN tmpdir$ + "temp.bin" FOR OUTPUT LOCK WRITE AS #26 'relock
ff = FREEFILE: OPEN tmpdir$ + "icon.rc" FOR OUTPUT AS #ff: CLOSE #ff
IF Debug THEN CLOSE #9: OPEN tmpdir$ + "debug.txt" FOR APPEND AS #9
IF idemode = 0 THEN
qberrorhappened = -1
OPEN sourcefile$ FOR INPUT AS #1
qberrorhappened1:
IF qberrorhappened = 1 THEN
PRINT
PRINT "CANNOT LOCATE SOURCE FILE:" + sourcefile$
IF ConsoleMode THEN SYSTEM 1
END 1
ELSE
CLOSE #1
END IF
qberrorhappened = 0
END IF
reginternal
OPEN tmpdir$ + "global.txt" FOR OUTPUT AS #18
IF Cloud THEN PRINT #18, "int32 cloud_app=1;" ELSE PRINT #18, "int32 cloud_app=0;"
IF iderecompile THEN
iderecompile = 0
idepass = 1 'prepass must be done again
sendc$ = CHR$(7) 'repass request
GOTO sendcommand
END IF
IF idemode THEN GOTO ideret1
lineinput3load sourcefile$
DO
stevewashere: '### STEVE EDIT FOR CONST EXPANSION 10/11/2013
wholeline$ = lineinput3$
IF wholeline$ = CHR$(13) THEN EXIT DO
ideprepass:
prepassLastLine:
IF lastLine <> 0 OR firstLine <> 0 THEN
lineBackup$ = wholeline$ 'backup the real line (will be blank when lastline is set)
IF VirtualKeyboardState THEN
IF firstLine <> 0 THEN forceIncludeFromRoot$ = "source\virtual_keyboard\embed\header.bas"
IF lastLine <> 0 THEN forceIncludeFromRoot$ = "source\virtual_keyboard\embed\footer.bas"
ELSE
IF firstLine <> 0 THEN forceIncludeFromRoot$ = "source\virtual_keyboard\embed\header_stub.bas"
IF lastLine <> 0 THEN forceIncludeFromRoot$ = "source\virtual_keyboard\embed\footer_stub.bas"
END IF
firstLine = 0: lastLine = 0
GOTO forceInclude_prepass
forceIncludeCompleted_prepass:
wholeline$ = lineBackup$
END IF
wholestv$ = wholeline$ '### STEVE EDIT FOR CONST EXPANSION 10/11/2013
prepass = 1
layout = ""
layoutok = 0
linenumber = linenumber + 1
DO UNTIL linenumber < UBOUND(InValidLine) 'color information flag for each line
REDIM _PRESERVE InValidLine(UBOUND(InValidLine) + 1000) AS _BIT
LOOP
InValidLine(linenumber) = 0
redoreplace:
IF LEN(wholeline$) THEN
wholeline$ = lineformat(wholeline$)
IF Error_Happened THEN GOTO errmes
temp$ = LTRIM$(RTRIM$(UCASE$(wholestv$)))
IF temp$ = "$VIRTUALKEYBOARD:ON" THEN
DesiredVirtualKeyboardState = 1
IF VirtualKeyboardState = 0 THEN
IF RecompileAttemptsForVirtualKeyboardState = 0 THEN
'this is the first time a conflict has occurred, so react immediately with a full recompilation using the desired state
RecompileAttemptsForVirtualKeyboardState = RecompileAttemptsForVirtualKeyboardState + 1
GOTO do_recompile
ELSE
'continue compilation to retrieve the final state requested and act on that as required
END IF
END IF
END IF
IF temp$ = "$VIRTUALKEYBOARD:OFF" THEN
DesiredVirtualKeyboardState = 0
IF VirtualKeyboardState <> 0 THEN
IF RecompileAttemptsForVirtualKeyboardState = 0 THEN
'this is the first time a conflict has occurred, so react immediately with a full recompilation using the desired state
RecompileAttemptsForVirtualKeyboardState = RecompileAttemptsForVirtualKeyboardState + 1
GOTO do_recompile
ELSE
'continue compilation to retrieve the final state requested and act on that as required
END IF
END IF
END IF
IF LEFT$(temp$, 9) = "$REPLACE " THEN
t3$ = MID$(wholestv$, 10)
L = INSTR(t3$, "=")
IF L THEN
t1$ = LTRIM$(RTRIM$(LEFT$(t3$, L - 1)))
t2$ = LTRIM$(RTRIM$(MID$(t3$, L + 1)))
FOR i = 1 TO ReplaceCount
IF ReplaceList(i) = t1$ THEN EXIT FOR
NEXT
IF i > ReplaceCount THEN 'it's a new entry
ReplaceCount = i
IF ReplaceCount > UBOUND(ReplaceList) THEN 'resize if needed, in case the user has more than 100 items in his replace list
REDIM _PRESERVE ReplaceList(ReplaceCount + 100)
REDIM _PRESERVE ReplaceWith(ReplaceCount + 100)
END IF
END IF
ReplaceList(i) = t1$: ReplaceWith(i) = t2$
END IF
GOTO finishedlinepp
ELSE
FOR i = 1 TO ReplaceCount
IF ReplaceList(i) <> "" THEN L = INSTR(wholestv$, ReplaceList(i)) ELSE L = 0
IF L THEN
l1 = LEN(ReplaceList(i))
wholestv$ = LEFT$(wholestv$, L - 1) + ReplaceWith(i) + MID$(wholestv$, L + LEN(ReplaceList(i)))
layout$ = wholestv$
wholeline$ = wholestv$
linenumber = linenumber - 1
GOTO finishedlinepp
END IF
NEXT
END IF
IF LEFT$(temp$, 5) = "$LET " THEN
temp$ = LTRIM$(MID$(temp$, 5)) 'simply shorten our string to parse
'For starters, let's make certain that we have 3 elements to deal with
temp = INSTR(temp$, "=") 'without an = in there, we can't get a value from the left and right side
IF temp = 0 THEN a$ = "Invalid Syntax. $LET = ": GOTO errmes
l$ = RTRIM$(LEFT$(temp$, temp - 1)): r$ = LTRIM$(MID$(temp$, temp + 1))
'then validate to make certain the left side looks proper
l1$ = ""
FOR i = 1 TO LEN(l$)
a = ASC(l$, i)
SELECT CASE a
CASE 32 'strip out spaces
CASE 46: l1$ = l1$ + CHR$(a)
CASE IS < 48, IS > 90: a$ = "Invalid symbol left of equal sign (" + CHR$(a) + ")": GOTO errmes
CASE ELSE: l1$ = l1$ + CHR$(a)
END SELECT
NEXT
l$ = l1$
IF LEFT$(r$, 1) = CHR$(34) THEN r$ = LTRIM$(MID$(r$, 2))
IF RIGHT$(r$, 1) = CHR$(34) THEN r$ = RTRIM$(LEFT$(r$, LEN(r$) - 1))
IF LEFT$(r$, 1) = "-" THEN
r1$ = "-"
r$ = LTRIM$(MID$(r$, 2))
ELSE
r1$ = ""
END IF
'then validate to make certain the left side looks proper
FOR i = 1 TO LEN(r$)
a = ASC(r$, i)
SELECT CASE a
CASE 32
CASE 46 'periods are fine.
r1$ = r1$ + "."
CASE IS < 48, IS > 90
a$ = "Invalid symbol right of equal sign (" + CHR$(a) + ")": GOTO errmes
CASE ELSE
r1$ = r1$ + CHR$(a)
END SELECT
NEXT
r$ = r1$
layout$ = "$LET " + l$ + " = " + r$
'First look to see if we have an existing setting like this and if so, update it
FOR i = 7 TO UserDefineCount 'UserDefineCount 1-6 are reserved for automatic OS/BIT detection
IF UserDefine(0, i) = l$ THEN UserDefine(1, i) = r$: GOTO finishedlinepp
NEXT
'Otherwise create a new setting and set the initial value for it
UserDefineCount = UserDefineCount + 1
IF UserDefineCount > UBOUND(UserDefine, 2) THEN
REDIM _PRESERVE UserDefine(1, UBOUND(UserDefine, 2) + 10) 'Add another 10 elements to the array so it'll expand as the user adds to it
END IF
UserDefine(0, UserDefineCount) = l$
UserDefine(1, UserDefineCount) = r$
GOTO finishedlinepp
END IF
IF LEFT$(temp$, 4) = "$IF " THEN
IF RIGHT$(temp$, 5) <> " THEN" THEN a$ = "$IF without THEN": GOTO errmes
temp$ = LTRIM$(MID$(temp$, 4)) 'strip off the $IF and extra spaces
temp$ = RTRIM$(LEFT$(temp$, LEN(temp$) - 4)) 'and strip off the THEN and extra spaces
temp = INSTR(temp$, "=")
ExecCounter = ExecCounter + 1
ExecLevel(ExecCounter) = -1 'default to a skip value
DefineElse(ExecCounter) = 1 '1 says we have an $IF statement at this level
result = EvalPreIF(temp$, a$)
IF a$ <> "" THEN GOTO errmes
IF result <> 0 THEN
ExecLevel(ExecCounter) = ExecLevel(ExecCounter - 1) 'So we inherit the execlevel from above
IF ExecLevel(ExecCounter) = 0 THEN DefineElse(ExecCounter) = DefineElse(ExecCounter) OR 4 'Else if used and conditon found
END IF
GOTO finishedlinepp 'and then we're finished -- and at this point we didn't make a match so we exit with a DONT READ type flag on our code.
END IF
IF temp$ = "$ELSE" THEN
IF DefineElse(ExecCounter) = 0 THEN a$ = "$ELSE without $IF": GOTO errmes
IF DefineElse(ExecCounter) AND 2 THEN a$ = "$IF block already has $ELSE statement in it": GOTO errmes
DefineElse(ExecCounter) = DefineElse(ExecCounter) OR 2 'set the flag to declare an $ELSE already in this block
IF DefineElse(ExecCounter) AND 4 THEN 'If we executed code in a previous IF or ELSE IF statement, we can't do it here
ExecLevel(ExecCounter) = -1 'So we inherit the execlevel from above
ELSE
ExecLevel(ExecCounter) = ExecLevel(ExecCounter - 1) 'If we were processing code before, code after this segment is going to be SKIPPED
END IF
GOTO finishedlinepp
END IF
IF LEFT$(temp$, 5) = "$ELSE" THEN 'looking for $ELSE IF
temp$ = LTRIM$(MID$(temp$, 6))
IF LEFT$(temp$, 3) = "IF " THEN
IF DefineElse(ExecCounter) = 0 THEN a$ = "$ELSE IF without $IF": GOTO errmes
IF DefineElse(ExecCounter) AND 2 THEN a$ = "$ELSE IF cannot follow $ELSE": GOTO errmes
IF RIGHT$(temp$, 5) <> " THEN" THEN a$ = "$ELSE IF without THEN": GOTO errmes
IF DefineElse(ExecCounter) AND 4 THEN 'If we executed code in a previous IF or ELSE IF statement, we can't do it here
ExecLevel(ExecCounter) = -1
GOTO finishedlinepp
END IF
temp$ = LTRIM$(MID$(temp$, 3)) 'strip off the IF and extra spaces
temp$ = RTRIM$(LEFT$(temp$, LEN(temp$) - 4)) 'and strip off the THEN and extra spaces
result = EvalPreIF(temp$, a$)
IF a$ <> "" THEN GOTO errmes
IF result <> 0 THEN
ExecLevel(ExecCounter) = ExecLevel(ExecCounter - 1) 'So we inherit the execlevel from above
IF ExecLevel(ExecCounter) = 0 THEN DefineElse(ExecCounter) = DefineElse(ExecCounter) OR 4 'Else if used and conditon found
END IF
GOTO finishedlinepp 'and then we're finished -- and at this point we didn't make a match so we exit with a DONT READ type flag on our code.
END IF
END IF
IF temp$ = "$END IF" OR temp$ = "$ENDIF" THEN
IF DefineElse(ExecCounter) = 0 THEN a$ = "$END IF without $IF": GOTO errmes
DefineElse(ExecCounter) = 0 'We no longer have an $IF block at this level
ExecCounter = ExecCounter - 1
GOTO finishedlinepp
END IF
IF ExecLevel(ExecCounter) THEN
DO UNTIL linenumber < UBOUND(InValidLine)
REDIM _PRESERVE InValidLine(UBOUND(InValidLine) + 1000) AS _BIT
LOOP
InValidLine(linenumber) = -1
GOTO finishedlinepp 'we don't check for anything inside lines that we've marked for skipping
END IF
cwholeline$ = wholeline$
wholeline$ = eleucase$(wholeline$) '********REMOVE THIS LINE LATER********
addmetadynamic = 0: addmetastatic = 0
wholelinen = numelements(wholeline$)
IF wholelinen THEN
wholelinei = 1
'skip line number?
e$ = getelement$(wholeline$, 1)
IF (ASC(e$) >= 48 AND ASC(e$) <= 59) OR ASC(e$) = 46 THEN wholelinei = 2: GOTO ppskpl
'skip 'POSSIBLE' line label?
IF wholelinen >= 2 THEN
x2 = INSTR(wholeline$, sp + ":" + sp): x3 = x2 + 2
IF x2 = 0 THEN
IF RIGHT$(wholeline$, 2) = sp + ":" THEN x2 = LEN(wholeline$) - 1: x3 = x2 + 1
END IF
IF x2 THEN
e$ = LEFT$(wholeline$, x2 - 1)
IF validlabel(e$) THEN
wholeline$ = RIGHT$(wholeline$, LEN(wholeline$) - x3)
cwholeline$ = RIGHT$(cwholeline$, LEN(wholeline$) - x3)
wholelinen = numelements(wholeline$)
GOTO ppskpl
END IF 'valid
END IF 'includes ":"
END IF 'wholelinen>=2
ppskpl:
IF wholelinei <= wholelinen THEN
'----------------------------------------
a$ = ""
ca$ = ""
ppblda:
e$ = getelement$(wholeline$, wholelinei)
ce$ = getelement$(cwholeline$, wholelinei)
IF e$ = ":" OR e$ = "ELSE" OR e$ = "THEN" OR e$ = "" THEN
IF LEN(a$) THEN
IF Debug THEN PRINT #9, "PP[" + a$ + "]"
n = numelements(a$)
firstelement$ = getelement(a$, 1)
secondelement$ = getelement(a$, 2)
thirdelement$ = getelement(a$, 3)
'========================================
'declare library
IF declaringlibrary THEN
IF firstelement$ = "END" THEN
IF n <> 2 OR secondelement$ <> "DECLARE" THEN a$ = "Expected END DECLARE": GOTO errmes
declaringlibrary = 0
GOTO finishedlinepp
END IF 'end declare
declaringlibrary = 2
IF firstelement$ = "SUB" OR firstelement$ = "FUNCTION" THEN subfuncn = subfuncn - 1: GOTO declaresubfunc
a$ = "Expected SUB/FUNCTION definition or END DECLARE (#2)": GOTO errmes
END IF
'UDT TYPE definition
IF definingtype THEN
i = definingtype
IF n >= 1 THEN
IF firstelement$ = "END" THEN
IF n <> 2 OR secondelement$ <> "TYPE" THEN a$ = "Expected END TYPE": GOTO errmes
IF udtxnext(i) = 0 THEN a$ = "No elements defined in TYPE": GOTO errmes
definingtype = 0
'create global buffer for SWAP space
siz$ = str2$(udtxsize(i) \ 8)
PRINT #18, "char *g_tmp_udt_" + RTRIM$(udtxname(i)) + "=(char*)malloc(" + siz$ + ");"
'print "END TYPE";udtxsize(i);udtxbytealign(i)
GOTO finishedlinepp
END IF
END IF
lasttypeelement = lasttypeelement + 1
i2 = lasttypeelement
udtenext(i2) = 0
IF n < 3 THEN a$ = "Expected variablename AS type or END TYPE": GOTO errmes
n$ = firstelement$
ii = 2
udtearrayelements(i2) = 0
IF ii >= n OR getelement$(a$, ii) <> "AS" THEN a$ = "Expected variablename AS type or END TYPE": GOTO errmes
t$ = getelements$(a$, ii + 1, n)
typ = typname2typ(t$)
IF Error_Happened THEN GOTO errmes
IF typ = 0 THEN a$ = "Undefined type": GOTO errmes
typsize = typname2typsize
IF validname(n$) = 0 THEN a$ = "Invalid name": GOTO errmes
udtename(i2) = n$
udtecname(i2) = getelement$(ca$, 1)
udtetype(i2) = typ
udtetypesize(i2) = typsize
hashname$ = n$
'check for name conflicts (any similar reserved or element from current UDT)
hashchkflags = HASHFLAG_RESERVED + HASHFLAG_UDTELEMENT
hashres = HashFind(hashname$, hashchkflags, hashresflags, hashresref)
DO WHILE hashres
IF hashresflags AND HASHFLAG_UDTELEMENT THEN
IF hashresref = i THEN a$ = "Name already in use": GOTO errmes
END IF
IF hashresflags AND HASHFLAG_RESERVED THEN
IF hashresflags AND (HASHFLAG_TYPE + HASHFLAG_CUSTOMSYNTAX + HASHFLAG_OPERATOR + HASHFLAG_XELEMENTNAME) THEN a$ = "Name already in use": GOTO errmes
END IF
IF hashres <> 1 THEN hashres = HashFindCont(hashresflags, hashresref) ELSE hashres = 0
LOOP
'add to hash table
HashAdd hashname$, HASHFLAG_UDTELEMENT, i
'Calculate element's size
IF typ AND ISUDT THEN
u = typ AND 511
udtesize(i2) = udtxsize(u)
IF udtxbytealign(u) THEN udtxbytealign(i) = 1: udtebytealign(i2) = 1
ELSE
IF (typ AND ISSTRING) THEN
IF (typ AND ISFIXEDLENGTH) = 0 THEN a$ = "Expected STRING *": GOTO errmes
udtesize(i2) = typsize * 8
udtxbytealign(i) = 1: udtebytealign(i2) = 1
ELSE
udtesize(i2) = typ AND 511
IF (typ AND ISOFFSETINBITS) = 0 THEN udtxbytealign(i) = 1: udtebytealign(i2) = 1
END IF
END IF
'Increase block size
IF udtebytealign(i2) THEN
IF udtxsize(i) MOD 8 THEN
udtxsize(i) = udtxsize(i) + (8 - (udtxsize(i) MOD 8))
END IF
END IF
udtxsize(i) = udtxsize(i) + udtesize(i2)
'Link element to previous element
IF udtxnext(i) = 0 THEN
udtxnext(i) = i2
ELSE
udtenext(i2 - 1) = i2
END IF
'print "+"+rtrim$(udtename(i2));udtesize(i2);udtebytealign(i2);udtxsize(i)
GOTO finishedlinepp
END IF 'definingtype
IF definingtype AND n >= 1 THEN a$ = "Expected END TYPE": GOTO errmes
IF n >= 1 THEN
IF firstelement$ = "TYPE" THEN
IF n <> 2 THEN a$ = "Expected TYPE typename": GOTO errmes
lasttype = lasttype + 1
definingtype = lasttype
i = definingtype
IF validname(secondelement$) = 0 THEN a$ = "Invalid name": GOTO errmes
udtxname(i) = secondelement$
udtxcname(i) = getelement(ca$, 2)
udtxnext(i) = 0
udtxsize(i) = 0
hashname$ = secondelement$
hashflags = HASHFLAG_UDT
'check for name conflicts (any similar reserved/sub/function/UDT name)
hashchkflags = HASHFLAG_RESERVED + HASHFLAG_SUB + HASHFLAG_FUNCTION + HASHFLAG_UDT
hashres = HashFind(hashname$, hashchkflags, hashresflags, hashresref)
DO WHILE hashres
allow = 0
IF hashresflags AND (HASHFLAG_SUB + HASHFLAG_FUNCTION) THEN
allow = 1
END IF
IF hashresflags AND HASHFLAG_RESERVED THEN
IF (hashresflags AND (HASHFLAG_TYPE + HASHFLAG_OPERATOR + HASHFLAG_CUSTOMSYNTAX + HASHFLAG_XTYPENAME)) = 0 THEN allow = 1
END IF
IF allow = 0 THEN a$ = "Name already in use": GOTO errmes
IF hashres <> 1 THEN hashres = HashFindCont(hashresflags, hashresref) ELSE hashres = 0
LOOP
'add to hash table
HashAdd hashname$, hashflags, i
GOTO finishedlinepp
END IF
END IF
stevewashere2: ' ### STEVE EDIT ON 10/11/2013 (Const Expansion)
IF n >= 1 AND firstelement$ = "CONST" THEN
'l$ = "CONST"
'DEF... do not change type, the expression is stored in a suitable type
'based on its value if type isn't forced/specified
'convert periods to _046_
i2 = INSTR(a$, sp + "." + sp)
IF i2 THEN
DO
a$ = LEFT$(a$, i2 - 1) + fix046$ + RIGHT$(a$, LEN(a$) - i2 - 2)
ca$ = LEFT$(ca$, i2 - 1) + fix046$ + RIGHT$(ca$, LEN(ca$) - i2 - 2)
i2 = INSTR(a$, sp + "." + sp)
LOOP UNTIL i2 = 0
n = numelements(a$)
firstelement$ = getelement(a$, 1): secondelement$ = getelement(a$, 2): thirdelement$ = getelement(a$, 3)
END IF
'Steve Tweak to add _RGB32 and _MATH support to CONST
'Our alteration to allow for multiple uses of RGB and RGBA inside a CONST //SMcNeill
altered = 0
'Edit 02/23/2014 to add space between = and _ for statements like CONST x=_RGB(123,0,0) and stop us from gettting an error.
DO
L = INSTR(wholestv$, "=_")
IF L THEN
wholestv$ = LEFT$(wholestv$, L) + " " + MID$(wholestv$, L + 1)
END IF
LOOP UNTIL L = 0
'End of Edit on 02/23/2014
DO
finished = -1
L = INSTR(L + 1, UCASE$(wholestv$), " _RGBA")
IF L > 0 THEN
altered = -1
l$ = LEFT$(wholestv$, L - 1)
vp = INSTR(L, wholestv$, "(")
IF vp > 0 THEN
E = INSTR(vp + 1, wholestv$, ")")
IF E > 0 THEN
'get our 3 colors or 4 if we need RGBA values
first = INSTR(vp, wholestv$, ",")
second = INSTR(first + 1, wholestv$, ",")
third = INSTR(second + 1, wholestv$, ",")
fourth = INSTR(third + 1, wholestv$, ",") 'If we need RGBA we need this one as well
red$ = MID$(wholestv$, vp + 1, first - vp - 1)
green$ = MID$(wholestv$, first + 1, second - first - 1)
blue$ = MID$(wholestv$, second + 1, third - second - 1)
alpha$ = MID$(wholestv$, third + 1)
IF MID$(wholestv$, L + 6, 2) = "32" THEN
val$ = "32"
ELSE
val$ = MID$(wholestv$, fourth + 1)
END IF
SELECT CASE VAL(val$)
CASE 0, 1, 2, 7, 8, 9, 10, 11, 12, 13, 256
wi& = _NEWIMAGE(240, 120, VAL(val$))
clr~& = _RGBA(VAL(red$), VAL(green$), VAL(blue$), VAL(alpha$), wi&)
_FREEIMAGE wi&
CASE 32
clr~& = _RGBA32(VAL(red$), VAL(green$), VAL(blue$), VAL(alpha$))
CASE ELSE
a$ = "Invalid Screen Mode.": GOTO errmes
END SELECT
wholestv$ = l$ + STR$(clr~&) + RIGHT$(wholestv$, LEN(wholestv$) - E)
finished = 0
ELSE
'no finishing bracket
a$ = ") Expected": GOTO errmes
END IF
ELSE
'no starting bracket
a$ = "( Expected": GOTO errmes
END IF
END IF
LOOP UNTIL finished
DO
finished = -1
L = INSTR(L + 1, UCASE$(wholestv$), " _RGB")
IF L > 0 THEN
altered = -1
l$ = LEFT$(wholestv$, L - 1)
vp = INSTR(L, wholestv$, "(")
IF vp > 0 THEN
E = INSTR(vp + 1, wholestv$, ")")
IF E > 0 THEN
first = INSTR(vp, wholestv$, ",")
second = INSTR(first + 1, wholestv$, ",")
third = INSTR(second + 1, wholestv$, ",")
red$ = MID$(wholestv$, vp + 1, first - vp - 1)
green$ = MID$(wholestv$, first + 1, second - first - 1)
blue$ = MID$(wholestv$, second + 1)
IF MID$(wholestv$, L + 5, 2) = "32" THEN
val$ = "32"
ELSE
val$ = MID$(wholestv$, third + 1)
END IF
SELECT CASE VAL(val$)
CASE 0, 1, 2, 7, 8, 9, 10, 11, 12, 13, 256
wi& = _NEWIMAGE(240, 120, VAL(val$))
clr~& = _RGB(VAL(red$), VAL(green$), VAL(blue$), wi&)
_FREEIMAGE wi&
CASE 32
clr~& = _RGB32(VAL(red$), VAL(green$), VAL(blue$))
CASE ELSE
a$ = "Invalid screen mode": GOTO errmes
END SELECT
wholestv$ = l$ + STR$(clr~&) + RIGHT$(wholestv$, LEN(wholestv$) - E)
finished = 0
ELSE
a$ = ") Expected": GOTO errmes
END IF
ELSE
a$ = "( Expected": GOTO errmes
END IF
END IF
LOOP UNTIL finished
' ### END OF STEVE EDIT FOR EXPANDED CONST SUPPORT ###
'New Edit by Steve on 02/23/2014 to add support for the new Math functions
L = 0: Emergency_Exit = 0 'A counter where if we're inside the same DO-Loop for more than 10,000 times, we assume it's an endless loop that didn't process properly and toss out an error message instead of locking up the program.
DO
L = INSTR(L + 1, wholestv$, "=")
IF L THEN
l2 = INSTR(L + 1, wholestv$, ",") 'Look for a comma after that
IF l2 = 0 THEN 'If there's no comma, then we're working to the end of the line
l2 = LEN(wholestv$)
ELSE
l2 = l2 - 1 'else we only want to take what's before that comma and see if we can use it
END IF
temp$ = RTRIM$(LTRIM$(MID$(wholestv$, L + 1, l2 - L)))
temp1$ = RTRIM$(LTRIM$(Evaluate_Expression$(temp$)))
IF LEFT$(temp1$, 5) <> "ERROR" AND temp$ <> temp1$ THEN
'The math routine should have did its replacement for us.
altered = -1
wholestv$ = LEFT$(wholestv$, L) + temp1$ + MID$(wholestv$, l2 + 1)
ELSE
'We should leave it as it is and let the normal CONST routine handle things from here on out and see if it passes the rest of the error checks.
END IF
L = L + 1
END IF
Emergency_Exit = Emergency_Exit + 1
IF Emergency_Exit > 10000 THEN a$ = "CONST ERROR: Attempting to process MATH Function caused Endless Loop. Please recheck your math formula.": GOTO errmes
LOOP UNTIL L = 0
'End of Math Support Edit
'Steve edit to update the CONST with the Math and _RGB functions
IF altered THEN
altered = 0
wholeline$ = wholestv$
linenumber = linenumber - 1
GOTO ideprepass
END IF
'End of Final Edits to CONST
IF n < 3 THEN a$ = "Expected CONST name = value/expression": GOTO errmes
i = 2
constdefpendingpp:
pending = 0
n$ = getelement$(ca$, i): i = i + 1
'l$ = l$ + sp + n$ + sp + "="
typeoverride = 0
s$ = removesymbol$(n$)
IF Error_Happened THEN GOTO errmes
IF s$ <> "" THEN
typeoverride = typname2typ(s$)
IF Error_Happened THEN GOTO errmes
IF typeoverride AND ISFIXEDLENGTH THEN a$ = "Invalid constant type": GOTO errmes
IF typeoverride = 0 THEN a$ = "Invalid constant type": GOTO errmes
END IF
IF getelement$(a$, i) <> "=" THEN a$ = "Expected =": GOTO errmes
i = i + 1
'get expression
e$ = ""
B = 0
FOR i2 = i TO n
e2$ = getelement$(ca$, i2)
IF e2$ = "(" THEN B = B + 1
IF e2$ = ")" THEN B = B - 1
IF e2$ = "," AND B = 0 THEN
pending = 1
i = i2 + 1
IF i > n - 2 THEN a$ = "Expected CONST ... , name = value/expression": GOTO errmes
EXIT FOR
END IF
IF LEN(e$) = 0 THEN e$ = e2$ ELSE e$ = e$ + sp + e2$
NEXT
e$ = fixoperationorder(e$)
IF Error_Happened THEN GOTO errmes
'l$ = l$ + sp + tlayout$
e$ = evaluateconst(e$, t)
IF Error_Happened THEN GOTO errmes
IF t AND ISSTRING THEN 'string type
IF typeoverride THEN
IF (typeoverride AND ISSTRING) = 0 THEN a$ = "Type mismatch": GOTO errmes
END IF
ELSE 'not a string type
IF typeoverride THEN
IF typeoverride AND ISSTRING THEN a$ = "Type mismatch": GOTO errmes
END IF
IF t AND ISFLOAT THEN
constval## = _CV(_FLOAT, e$)
constval&& = constval##
constval~&& = constval&&
ELSE
IF (t AND ISUNSIGNED) AND (t AND 511) = 64 THEN
constval~&& = _CV(_UNSIGNED _INTEGER64, e$)
constval&& = constval~&&
constval## = constval&&
ELSE
constval&& = _CV(_INTEGER64, e$)
constval## = constval&&
constval~&& = constval&&
END IF
END IF
'override type?
IF typeoverride THEN
'range check required here (noted in todo)
t = typeoverride
END IF
END IF 'not a string type
constlast = constlast + 1
IF constlast > constmax THEN
constmax = constmax * 2
REDIM _PRESERVE constname(constmax) AS STRING
REDIM _PRESERVE constcname(constmax) AS STRING
REDIM _PRESERVE constnamesymbol(constmax) AS STRING 'optional name symbol
REDIM _PRESERVE consttype(constmax) AS LONG 'variable type number
REDIM _PRESERVE constinteger(constmax) AS _INTEGER64
REDIM _PRESERVE constuinteger(constmax) AS _UNSIGNED _INTEGER64
REDIM _PRESERVE constfloat(constmax) AS _FLOAT
REDIM _PRESERVE conststring(constmax) AS STRING
REDIM _PRESERVE constsubfunc(constmax) AS LONG
REDIM _PRESERVE constdefined(constmax) AS LONG
END IF
i2 = constlast
constsubfunc(i2) = subfuncn
'IF subfunc = "" THEN constlastshared = i2
IF validname(n$) = 0 THEN a$ = "Invalid name": GOTO errmes
constname(i2) = UCASE$(n$)
hashname$ = n$
'check for name conflicts (any similar: reserved, sub, function, constant)
allow = 0
const_recheck:
hashchkflags = HASHFLAG_RESERVED + HASHFLAG_SUB + HASHFLAG_FUNCTION + HASHFLAG_CONSTANT
hashres = HashFind(hashname$, hashchkflags, hashresflags, hashresref)
DO WHILE hashres
IF hashresflags AND HASHFLAG_CONSTANT THEN
IF constsubfunc(hashresref) = subfuncn THEN a$ = "Name already in use": GOTO errmes
END IF
IF hashresflags AND HASHFLAG_RESERVED THEN
a$ = "Name already in use": GOTO errmes
END IF
IF hashresflags AND (HASHFLAG_SUB + HASHFLAG_FUNCTION) THEN
IF ids(hashresref).internal_subfunc = 0 OR RTRIM$(ids(hashresref).musthave) <> "$" THEN a$ = "Name already in use": GOTO errmes
IF t AND ISSTRING THEN a$ = "Name already in use": GOTO errmes
END IF
IF hashres <> 1 THEN hashres = HashFindCont(hashresflags, hashresref) ELSE hashres = 0
LOOP
'add to hash table
HashAdd hashname$, HASHFLAG_CONSTANT, i2
constdefined(i2) = 1
constcname(i2) = n$
constnamesymbol(i2) = typevalue2symbol$(t)
IF Error_Happened THEN GOTO errmes
consttype(i2) = t
IF t AND ISSTRING THEN
conststring(i2) = e$
ELSE
IF t AND ISFLOAT THEN
constfloat(i2) = constval##
ELSE
IF t AND ISUNSIGNED THEN
constuinteger(i2) = constval~&&
ELSE
constinteger(i2) = constval&&
END IF
END IF
END IF
IF pending THEN
'l$ = l$ + sp2 + ","
GOTO constdefpendingpp
END IF
'layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedlinepp
END IF
'DEFINE
d = 0
IF firstelement$ = "DEFINT" THEN d = 1
IF firstelement$ = "DEFLNG" THEN d = 1
IF firstelement$ = "DEFSNG" THEN d = 1
IF firstelement$ = "DEFDBL" THEN d = 1
IF firstelement$ = "DEFSTR" THEN d = 1
IF firstelement$ = "_DEFINE" THEN d = 1
IF d THEN
predefining = 1: GOTO predefine
predefined: predefining = 0
GOTO finishedlinepp
END IF
'declare library
IF firstelement$ = "DECLARE" THEN
IF secondelement$ = "LIBRARY" OR secondelement$ = "DYNAMIC" OR secondelement$ = "CUSTOMTYPE" OR secondelement$ = "STATIC" THEN
IF Cloud THEN a$ = "Feature not supported on QLOUD": GOTO errmes '***NOCLOUD***
declaringlibrary = 1
indirectlibrary = 0
IF secondelement$ = "CUSTOMTYPE" OR secondelement$ = "DYNAMIC" THEN indirectlibrary = 1
GOTO finishedlinepp
END IF
END IF
'SUB/FUNCTION
dynamiclibrary = 0
declaresubfunc:
firstelement$ = getelement$(a$, 1)
sf = 0
IF firstelement$ = "FUNCTION" THEN sf = 1
IF firstelement$ = "SUB" THEN sf = 2
IF sf THEN
subfuncn = subfuncn + 1
IF n = 1 THEN a$ = "Expected name after SUB/FUNCTION": GOTO errmes
'convert periods to _046_
i2 = INSTR(a$, sp + "." + sp)
IF i2 THEN
DO
a$ = LEFT$(a$, i2 - 1) + fix046$ + RIGHT$(a$, LEN(a$) - i2 - 2)
ca$ = LEFT$(ca$, i2 - 1) + fix046$ + RIGHT$(ca$, LEN(ca$) - i2 - 2)
i2 = INSTR(a$, sp + "." + sp)
LOOP UNTIL i2 = 0
n = numelements(a$)
firstelement$ = getelement(a$, 1): secondelement$ = getelement(a$, 2): thirdelement$ = getelement(a$, 3)
END IF
n$ = getelement$(ca$, 2)
symbol$ = removesymbol$(n$)
IF Error_Happened THEN GOTO errmes
IF sf = 2 AND symbol$ <> "" THEN a$ = "Type symbols after a SUB name are invalid": GOTO errmes
'remove STATIC (which is ignored)
e$ = getelement$(a$, n): IF e$ = "STATIC" THEN a$ = LEFT$(a$, LEN(a$) - 7): ca$ = LEFT$(ca$, LEN(ca$) - 7): n = n - 1
'check for ALIAS
aliasname$ = n$ 'use given name by default
IF n > 2 THEN
e$ = getelement$(a$, 3)
IF e$ = "ALIAS" THEN
IF declaringlibrary = 0 THEN a$ = "ALIAS can only be used with DECLARE LIBRARY": GOTO errmes
IF n = 3 THEN a$ = "Expected ALIAS name-in-library": GOTO errmes
e$ = getelement$(ca$, 4)
'strip string content (optional)
IF LEFT$(e$, 1) = CHR$(34) THEN
e$ = RIGHT$(e$, LEN(e$) - 1)
x = INSTR(e$, CHR$(34)): IF x = 0 THEN a$ = "Expected " + CHR$(34): GOTO errmes
e$ = LEFT$(e$, x - 1)
END IF
'strip fix046$ (created by unquoted periods)
DO WHILE INSTR(e$, fix046$)
x = INSTR(e$, fix046$): e$ = LEFT$(e$, x - 1) + "." + RIGHT$(e$, LEN(e$) - x + 1 - LEN(fix046$))
LOOP
'validate alias name
IF LEN(e$) = 0 THEN a$ = "Expected ALIAS name-in-library": GOTO errmes
FOR x = 1 TO LEN(e$)
a = ASC(e$, x)
IF alphanumeric(a) = 0 AND a <> ASC_FULLSTOP AND a <> ASC_COLON THEN a$ = "Expected ALIAS name-in-library": GOTO errmes
NEXT
aliasname$ = e$
'remove ALIAS section from line
IF n <= 4 THEN a$ = getelements(a$, 1, 2)
IF n >= 5 THEN a$ = getelements(a$, 1, 2) + sp + getelements(a$, 5, n)
IF n <= 4 THEN ca$ = getelements(ca$, 1, 2)
IF n >= 5 THEN ca$ = getelements(ca$, 1, 2) + sp + getelements(ca$, 5, n)
n = n - 2
END IF
END IF
IF declaringlibrary THEN
IF indirectlibrary THEN
aliasname$ = n$ 'override the alias name
END IF
END IF
params = 0
params$ = ""
paramsize$ = ""
nele$ = ""
nelereq$ = ""
IF n > 2 THEN
e$ = getelement$(a$, 3)
IF e$ <> "(" THEN a$ = "Expected (": GOTO errmes
e$ = getelement$(a$, n)
IF e$ <> ")" THEN a$ = "Expected )": GOTO errmes
IF n < 4 THEN a$ = "Expected ( ... )": GOTO errmes
IF n = 4 THEN GOTO nosfparams
B = 0
a2$ = ""
FOR i = 4 TO n - 1
e$ = getelement$(a$, i)
IF e$ = "(" THEN B = B + 1
IF e$ = ")" THEN B = B - 1
IF e$ = "," AND B = 0 THEN
IF i = n - 1 THEN a$ = "Expected , ... )": GOTO errmes
getlastparam:
IF a2$ = "" THEN a$ = "Expected ... ,": GOTO errmes
a2$ = LEFT$(a2$, LEN(a2$) - 1)
'possible format: [BYVAL]a[%][(1)][AS][type]
n2 = numelements(a2$)
array = 0
t2$ = ""
i2 = 1
e$ = getelement$(a2$, i2): i2 = i2 + 1
byvalue = 0
IF e$ = "BYVAL" THEN
IF declaringlibrary = 0 THEN a$ = "BYVAL can currently only be used with DECLARE LIBRARY": GOTO errmes
e$ = getelement$(a2$, i2): i2 = i2 + 1: byvalue = 1
END IF
n2$ = e$
symbol2$ = removesymbol$(n2$)
IF validname(n2$) = 0 THEN a$ = "Invalid name": GOTO errmes
IF Error_Happened THEN GOTO errmes
m = 0
FOR i2 = i2 TO n2
e$ = getelement$(a2$, i2)
IF e$ = "(" THEN
IF m <> 0 THEN a$ = "Syntax error": GOTO errmes
m = 1
array = 1
GOTO gotaa
END IF
IF e$ = ")" THEN
IF m <> 1 THEN a$ = "Syntax error": GOTO errmes
m = 2
GOTO gotaa
END IF
IF e$ = "AS" THEN
IF m <> 0 AND m <> 2 THEN a$ = "Syntax error": GOTO errmes
m = 3
GOTO gotaa
END IF
IF m = 1 THEN GOTO gotaa 'ignore contents of bracket
IF m <> 3 THEN a$ = "Syntax error": GOTO errmes
IF t2$ = "" THEN t2$ = e$ ELSE t2$ = t2$ + " " + e$
gotaa:
NEXT i2
params = params + 1: IF params > 100 THEN a$ = "SUB/FUNCTION exceeds 100 parameter limit": GOTO errmes
argnelereq = 0
IF symbol2$ <> "" AND t2$ <> "" THEN a$ = "Syntax error": GOTO errmes
IF t2$ = "" THEN t2$ = symbol2$
IF t2$ = "" THEN
IF LEFT$(n2$, 1) = "_" THEN v = 27 ELSE v = ASC(UCASE$(n2$)) - 64
t2$ = defineaz(v)
END IF
paramsize = 0
IF array = 1 THEN
t = typname2typ(t2$)
IF Error_Happened THEN GOTO errmes
IF t = 0 THEN a$ = "Illegal SUB/FUNCTION parameter": GOTO errmes
IF (t AND ISFIXEDLENGTH) THEN paramsize = typname2typsize
t = t + ISARRAY
'check for recompilation override
FOR i10 = 0 TO sflistn
IF sfidlist(i10) = idn + 1 THEN
IF sfarglist(i10) = params THEN
argnelereq = sfelelist(i10)
END IF
END IF
NEXT
ELSE
t = typname2typ(t2$)
IF Error_Happened THEN GOTO errmes
IF t = 0 THEN a$ = "Illegal SUB/FUNCTION parameter": GOTO errmes
IF (t AND ISFIXEDLENGTH) THEN paramsize = typname2typsize
IF byvalue THEN
IF t AND ISPOINTER THEN t = t - ISPOINTER
END IF
END IF
nelereq$ = nelereq$ + CHR$(argnelereq)
'consider changing 0 in following line too!
nele$ = nele$ + CHR$(0)
paramsize$ = paramsize$ + MKL$(paramsize)
params$ = params$ + MKL$(t)
a2$ = ""
ELSE
a2$ = a2$ + e$ + sp
IF i = n - 1 THEN GOTO getlastparam
END IF
NEXT i
END IF 'n>2
nosfparams:
IF sf = 1 THEN
'function
clearid
id.n = n$
id.subfunc = 1
id.callname = "FUNC_" + UCASE$(n$)
IF declaringlibrary THEN
id.ccall = 1
IF indirectlibrary = 0 THEN id.callname = aliasname$
END IF
id.args = params
id.arg = params$
id.argsize = paramsize$
id.nele = nele$
id.nelereq = nelereq$
IF symbol$ <> "" THEN
id.ret = typname2typ(symbol$)
IF Error_Happened THEN GOTO errmes
ELSE
IF LEFT$(n$, 1) = "_" THEN v = 27 ELSE v = ASC(UCASE$(n$)) - 64
symbol$ = defineaz(v)
id.ret = typname2typ(symbol$)
IF Error_Happened THEN GOTO errmes
END IF
IF id.ret = 0 THEN a$ = "Invalid FUNCTION return type": GOTO errmes
IF declaringlibrary THEN
ctype$ = typ2ctyp$(id.ret, "")
IF Error_Happened THEN GOTO errmes
IF ctype$ = "qbs" THEN ctype$ = "char*"
id.callname = "( " + ctype$ + " )" + RTRIM$(id.callname)
END IF
s$ = LEFT$(symbol$, 1)
IF s$ <> "~" AND s$ <> "`" AND s$ <> "%" AND s$ <> "&" AND s$ <> "!" AND s$ <> "#" AND s$ <> "$" THEN
symbol$ = type2symbol$(symbol$)
IF Error_Happened THEN GOTO errmes
END IF
id.mayhave = symbol$
IF id.ret AND ISPOINTER THEN
IF (id.ret AND ISSTRING) = 0 THEN id.ret = id.ret - ISPOINTER
END IF
regid
IF Error_Happened THEN GOTO errmes
ELSE
'sub
clearid
id.n = n$
id.subfunc = 2
id.callname = "SUB_" + UCASE$(n$)
IF declaringlibrary THEN
id.ccall = 1
IF indirectlibrary = 0 THEN id.callname = aliasname$
END IF
id.args = params
id.arg = params$
id.argsize = paramsize$
id.nele = nele$
id.nelereq = nelereq$
IF UCASE$(n$) = "_GL" AND params = 0 AND UseGL = 0 THEN reginternalsubfunc = 1: UseGL = 1: id.n = "_GL": DEPENDENCY(DEPENDENCY_GL) = 1
regid
reginternalsubfunc = 0
IF Error_Happened THEN GOTO errmes
END IF
END IF
'========================================
finishedlinepp:
END IF
a$ = ""
ca$ = ""
ELSE
IF a$ = "" THEN a$ = e$: ca$ = ce$ ELSE a$ = a$ + sp + e$: ca$ = ca$ + sp + ce$
END IF
IF wholelinei <= wholelinen THEN wholelinei = wholelinei + 1: GOTO ppblda
'----------------------------------------
END IF 'wholelinei<=wholelinen
END IF 'wholelinen
END IF 'len(wholeline$)
'Include Manager #1
IF LEN(addmetainclude$) THEN
IF Debug THEN PRINT #9, "Pre-pass:INCLUDE$-ing file:'" + addmetainclude$ + "':On line"; linenumber
a$ = addmetainclude$: addmetainclude$ = "" 'read/clear message
IF inclevel = 0 THEN
includingFromRoot = 0
forceIncludingFile = 0
forceInclude_prepass:
IF forceIncludeFromRoot$ <> "" THEN
a$ = forceIncludeFromRoot$
forceIncludeFromRoot$ = ""
forceIncludingFile = 1
includingFromRoot = 1
END IF
END IF
IF inclevel = 100 THEN a$ = "Too many indwelling INCLUDE files": GOTO errmes
'1. Verify file exists (location is either (a)relative to source file or (b)absolute)
fh = 99 + inclevel + 1
firstTryMethod = 1
IF includingFromRoot <> 0 AND inclevel = 0 THEN firstTryMethod = 2
FOR try = firstTryMethod TO 2 'if including file from root, do not attempt including from relative location
IF try = 1 THEN
IF inclevel = 0 THEN
IF idemode THEN p$ = idepath$ + pathsep$ ELSE p$ = getfilepath$(sourcefile$)
ELSE
p$ = getfilepath$(incname(inclevel))
END IF
f$ = p$ + a$
END IF
IF try = 2 THEN f$ = a$
IF _FILEEXISTS(f$) THEN
qberrorhappened = -3
'We're using the faster LINE INPUT, which requires a BINARY open.
OPEN f$ FOR BINARY AS #fh
'And another line below edited
qberrorhappened3:
IF qberrorhappened = -3 THEN EXIT FOR
END IF
qberrorhappened = 0
NEXT
IF qberrorhappened <> -3 THEN qberrorhappened = 0: a$ = "File " + a$ + " not found": GOTO errmes
inclevel = inclevel + 1: incname$(inclevel) = f$: inclinenumber(inclevel) = 0
END IF 'fall through to next section...
'--------------------
DO WHILE inclevel
fh = 99 + inclevel
'2. Feed next line
IF EOF(fh) = 0 THEN
LINE INPUT #fh, x$
wholeline$ = x$
inclinenumber(inclevel) = inclinenumber(inclevel) + 1
'create extended error string 'incerror$'
errorLineInInclude = inclinenumber(inclevel)
e$ = " in line " + str2(inclinenumber(inclevel)) + " of " + incname$(inclevel) + " included"
IF inclevel > 1 THEN
e$ = e$ + " (through "
FOR x = 1 TO inclevel - 1 STEP 1
e$ = e$ + incname$(x)
IF x < inclevel - 1 THEN 'a sep is req
IF x = inclevel - 2 THEN
e$ = e$ + " then "
ELSE
e$ = e$ + ", "
END IF
END IF
NEXT
e$ = e$ + ")"
END IF
incerror$ = e$
linenumber = linenumber - 1 'lower official linenumber to counter later increment
IF Debug THEN PRINT #9, "Pre-pass:Feeding INCLUDE$ line:[" + wholeline$ + "]"
IF idemode THEN sendc$ = CHR$(10) + wholeline$: GOTO sendcommand 'passback
GOTO ideprepass
END IF
'3. Close & return control
CLOSE #fh
inclevel = inclevel - 1
IF forceIncludingFile = 1 AND inclevel = 0 THEN
forceIncludingFile = 0
GOTO forceIncludeCompleted_prepass
END IF
LOOP
'(end manager)
IF idemode THEN GOTO ideret2
LOOP
'add final line
IF lastLineReturn = 0 THEN
lastLineReturn = 1
lastLine = 1
wholeline$ = ""
GOTO prepassLastLine
END IF
IF definingtype THEN definingtype = 0 'ignore this error so that auto-formatting can be performed and catch it again later
IF declaringlibrary THEN declaringlibrary = 0 'ignore this error so that auto-formatting can be performed and catch it again later
'prepass finished
lineinput3index = 1 'reset input line
'ide specific
ide3:
addmetainclude$ = "" 'reset stray meta-includes
'reset altered variables
ReplaceCount = 0
REDIM ReplaceList(100) AS STRING
REDIM ReplaceWith(100) AS STRING
DataOffset = 0
inclevel = 0
subfuncn = 0
lastLineReturn = 0
lastLine = 0
firstLine = 1
FOR i = 0 TO constlast: constdefined(i) = 0: NEXT 'undefine constants
FOR i = 1 TO 27: defineaz(i) = "SINGLE": defineextaz(i) = "!": NEXT
OPEN tmpdir$ + "data.bin" FOR OUTPUT AS #16: CLOSE #16
OPEN tmpdir$ + "data.bin" FOR BINARY AS #16
OPEN tmpdir$ + "main.txt" FOR OUTPUT AS #12
OPEN tmpdir$ + "maindata.txt" FOR OUTPUT AS #13
OPEN tmpdir$ + "regsf.txt" FOR OUTPUT AS #17
OPEN tmpdir$ + "mainfree.txt" FOR OUTPUT AS #19
OPEN tmpdir$ + "runline.txt" FOR OUTPUT AS #21
OPEN tmpdir$ + "mainerr.txt" FOR OUTPUT AS #14 'main error handler
'i. check the value of error_line
'ii. jump to the appropriate label
errorlabels = 0
PRINT #14, "if (error_occurred){ error_occurred=0;"
OPEN tmpdir$ + "chain.txt" FOR OUTPUT AS #22: CLOSE #22 'will be appended to as necessary
OPEN tmpdir$ + "inpchain.txt" FOR OUTPUT AS #23: CLOSE #23 'will be appended to as necessary
'*** #22 & #23 are reserved for usage by chain & inpchain ***
OPEN tmpdir$ + "ontimer.txt" FOR OUTPUT AS #24
OPEN tmpdir$ + "ontimerj.txt" FOR OUTPUT AS #25
'*****#26 used for locking qb64
OPEN tmpdir$ + "onkey.txt" FOR OUTPUT AS #27
OPEN tmpdir$ + "onkeyj.txt" FOR OUTPUT AS #28
OPEN tmpdir$ + "onstrig.txt" FOR OUTPUT AS #29
OPEN tmpdir$ + "onstrigj.txt" FOR OUTPUT AS #30
gosubid = 1
'to be included whenever return without a label is called
'return [label] in QBASIC was not possible in a sub/function, but QB64 will support this
'special codes will represent special return conditions:
'0=return from main to calling sub/function/proc by return [NULL];
'1... a global number representing a return point after a gosub
'note: RETURN [label] should fail if a "return [NULL];" type return is required
OPEN tmpdir$ + "ret0.txt" FOR OUTPUT AS #15
PRINT #15, "if (next_return_point){"
PRINT #15, "next_return_point--;"
PRINT #15, "switch(return_point[next_return_point]){"
PRINT #15, "case 0:"
PRINT #15, "return;"
PRINT #15, "break;"
continueline = 0
endifs = 0
lineelseused = 0
continuelinefrom = 0
linenumber = 0
declaringlibrary = 0
PRINT #12, "S_0:;" 'note: REQUIRED by run statement
IF UseGL THEN gl_include_content
'ide specific
IF idemode THEN GOTO ideret3
DO
ide4:
includeline:
mainpassLastLine:
IF lastLine <> 0 OR firstLine <> 0 THEN
lineBackup$ = a3$ 'backup the real first line (will be blank when lastline is set)
IF VirtualKeyboardState THEN
IF firstLine <> 0 THEN forceIncludeFromRoot$ = "source\virtual_keyboard\embed\header.bas"
IF lastLine <> 0 THEN forceIncludeFromRoot$ = "source\virtual_keyboard\embed\footer.bas"
ELSE
IF firstLine <> 0 THEN forceIncludeFromRoot$ = "source\virtual_keyboard\embed\header_stub.bas"
IF lastLine <> 0 THEN forceIncludeFromRoot$ = "source\virtual_keyboard\embed\footer_stub.bas"
END IF
firstLine = 0: lastLine = 0
GOTO forceInclude
forceIncludeCompleted:
a3$ = lineBackup$
END IF
prepass = 0
stringprocessinghappened = 0
IF continuelinefrom THEN
start = continuelinefrom
continuelinefrom = 0
GOTO contline
END IF
'begin a new line
impliedendif = 0
THENGOTO = 0
continueline = 0
endifs = 0
lineelseused = 0
newif = 0
'apply metacommands from previous line
IF addmetadynamic = 1 THEN addmetadynamic = 0: DynamicMode = 1
IF addmetastatic = 1 THEN addmetastatic = 0: DynamicMode = 0
'a3$ is passed in idemode and when using $include
IF idemode = 0 AND inclevel = 0 THEN a3$ = lineinput3$
IF a3$ = CHR$(13) THEN EXIT DO
linenumber = linenumber + 1
IF linenumber = 1 THEN opex_comments = -1
IF InValidLine(linenumber) THEN
layoutok = 1
layout$ = SPACE$(controllevel) + LTRIM$(RTRIM$(a3$))
IF idemode GOTO ideret4 ELSE GOTO skipide4
END IF
layout = ""
layoutok = 1
IF idemode = 0 THEN
IF LEN(a3$) THEN
dotlinecount = dotlinecount + 1: IF dotlinecount >= 100 THEN dotlinecount = 0: PRINT ".";
END IF
END IF
a3$ = LTRIM$(RTRIM$(a3$))
wholeline = a3$
layoutoriginal$ = a3$
layoutcomment$ = "" 'clear any previous layout comment
lhscontrollevel = controllevel
linefragment = "[INFORMATION UNAVAILABLE]"
IF LEN(a3$) = 0 THEN GOTO finishednonexec
IF Debug THEN PRINT #9, "########" + a3$ + "########"
layoutdone = 1 'validates layout of any following goto finishednonexec/finishedline
'We've already figured out in the prepass which lines are invalidated by the precompiler
'No need to go over those lines again.
'IF InValidLine(linenumber) THEN goto skipide4 'layoutdone = 0: GOTO finishednonexec
replaceloop:
a3u$ = UCASE$(a3$)
IF LEFT$(a3u$, 4) = "REM " OR _
(LEFT$(a3u$, 3) = "REM" AND LEN(a3u$) = 3) OR _
LEFT$(a3u$, 1) = "'" OR _
(LEFT$(a3u$, 7) = "OPTION " AND LEFT$(LTRIM$(MID$(a3u$, 8)), 9) = "_EXPLICIT") THEN
'It's a comment or OPTION _EXPLICIT itself, alright.
'But even being a comment, there could be an $INCLUDE in there, let's check:
IF LEFT$(a3u$, 4) = "REM " THEN i = 5 ELSE i = 2
IF LEFT$(LTRIM$(MID$(a3u$, i)), 8) = "$INCLUDE" THEN opex_comments = 0
ELSE
'As soon as a line isn't a comment anymore, it can't come before OPTION _EXPLICIT
opex_comments = 0
END IF
'QB64 Metacommands
IF ASC(a3$) = 36 THEN '$
'precompiler commands should always be executed FIRST.
IF LEFT$(a3u$, 9) = "$REPLACE " THEN layout$ = a3$: GOTO finishednonexec
IF LEFT$(a3u$, 5) = "$LET " THEN layout$ = a3$: GOTO finishednonexec 'we dealt with this basically in the prepass
' so we could define CONST and such and have them available for later IDE passes
IF a3u$ = "$END IF" OR a3u$ = "$ENDIF" THEN
IF DefineElse(ExecCounter) = 0 THEN a$ = "$END IF without $IF": GOTO errmes
DefineElse(ExecCounter) = 0 'We no longer have an $IF block at this level
ExecCounter = ExecCounter - 1
layout$ = "$END IF"
controltype(controllevel) = 0
controllevel = controllevel - 1
GOTO finishednonexec
END IF
IF LEFT$(a3u$, 4) = "$IF " THEN
temp$ = LTRIM$(MID$(a3u$, 4)) 'strip off the $IF and extra spaces
temp$ = RTRIM$(LEFT$(temp$, LEN(temp$) - 4)) 'and strip off the THEN and extra spaces
temp = INSTR(temp$, "=")
ExecCounter = ExecCounter + 1
ExecLevel(ExecCounter) = -1 'default to a skip value
DefineElse(ExecCounter) = 1 '1 says we have an $IF statement at this level
result = EvalPreIF(temp$, a$)
IF a$ <> "" THEN GOTO errmes
IF result <> 0 THEN
ExecLevel(ExecCounter) = ExecLevel(ExecCounter - 1) 'So we inherit the execlevel from above
IF ExecLevel(ExecCounter) = 0 THEN DefineElse(ExecCounter) = DefineElse(ExecCounter) OR 4 'Else if used and conditon found
END IF
controllevel = controllevel + 1
controltype(controllevel) = 6
IF temp = 0 THEN layout$ = "$IF " + temp$ + " THEN": GOTO finishednonexec 'no = sign in the $IF statement, so we're going to assume the user is doing something like $IF flag
l$ = RTRIM$(LEFT$(temp$, temp - 1)): r$ = LTRIM$(MID$(temp$, temp + 1))
layout$ = "$IF " + l$ + " = " + r$ + " THEN"
GOTO finishednonexec
END IF
IF a3u$ = "$ELSE" THEN
IF DefineElse(ExecCounter) = 0 THEN a$ = "$ELSE without $IF": GOTO errmes
IF DefineElse(ExecCounter) AND 2 THEN a$ = "$IF block already has $ELSE statement in it": GOTO errmes
DefineElse(ExecCounter) = DefineElse(ExecCounter) OR 2 'set the flag to declare an $ELSE already in this block
IF DefineElse(ExecCounter) AND 4 THEN 'If we executed code in a previous IF or ELSE IF statement, we can't do it here
ExecLevel(ExecCounter) = -1 'So we inherit the execlevel from above
ELSE
ExecLevel(ExecCounter) = ExecLevel(ExecCounter - 1) 'If we were processing code before, code after this segment is going to be SKIPPED
END IF
layout$ = "$ELSE"
lhscontrollevel = lhscontrollevel - 1
GOTO finishednonexec
END IF
IF LEFT$(a3u$, 5) = "$ELSE" THEN
temp$ = LTRIM$(MID$(a3u$, 6))
IF LEFT$(temp$, 3) = "IF " THEN
IF DefineElse(ExecCounter) = 0 THEN a$ = "$ELSE IF without $IF": GOTO errmes
IF DefineElse(ExecCounter) AND 2 THEN a$ = "$ELSE IF cannot follow $ELSE": GOTO errmes
IF RIGHT$(temp$, 5) <> " THEN" THEN a$ = "$ELSE IF without THEN": GOTO errmes
temp$ = LTRIM$(MID$(temp$, 3)) 'strip off the IF and extra spaces
temp$ = RTRIM$(LEFT$(temp$, LEN(temp$) - 4)) 'and strip off the THEN and extra spaces
IF DefineElse(ExecCounter) AND 4 THEN 'If we executed code in a previous IF or ELSE IF statement, we can't do it here
ExecLevel(ExecCounter) = -1
ELSE
result = EvalPreIF(temp$, a$)
IF a$ <> "" THEN GOTO errmes
IF result <> 0 THEN
ExecLevel(ExecCounter) = ExecLevel(ExecCounter - 1) 'So we inherit the execlevel from above
IF ExecLevel(ExecCounter) = 0 THEN DefineElse(ExecCounter) = DefineElse(ExecCounter) OR 4 'Else if used and conditon found
END IF
END IF
lhscontrollevel = lhscontrollevel - 1
temp = INSTR(temp$, "=")
IF temp = 0 THEN layout$ = "$ELSEIF " + temp$ + " THEN": GOTO finishednonexec 'no = sign in the $IF statement, so we're going to assume the user is doing something like $IF flag
l$ = RTRIM$(LEFT$(temp$, temp - 1)): r$ = LTRIM$(MID$(temp$, temp + 1))
layout$ = "$ELSEIF " + l$ + " = " + r$ + " THEN"
GOTO finishednonexec
END IF
END IF
IF ExecLevel(ExecCounter) THEN 'don't check for any more metacommands except the one's which worth with the precompiler
layoutdone = 0
GOTO finishednonexec 'we don't check for anything inside lines that we've marked for skipping
END IF
'$INSTALLFILES [src_relative_to_bas_path_like_include] [IN dst_relative_to_application_root]
'$INSTALLFOLDER [src_relative_to_bas_path_like_include] [IN dst_relative_to_application_root]
metacommand$ = ""
IF INSTR(a3u$, "$INSTALLFILES ") = 1 THEN metacommand$ = "$INSTALLFILES"
IF INSTR(a3u$, "$INSTALLFOLDER ") = 1 THEN metacommand$ = "$INSTALLFOLDER"
metacommandHint$ = "Expected " + CHR$(34) + "source-location" + CHR$(34) + " [IN " + CHR$(34) + "dest-location" + CHR$(34) + "]"
IF metacommand$ <> "" THEN
sourceContent$ = ""
destLocation$ = ""
i3step = 0
i3start = 0
a4$ = a3$ + " '" 'finish with whitespace and comment
a3string$ = ""
l$ = metacommand$
FOR i3 = LEN(metacommand$) + 2 TO LEN(a4$)
c3 = ASC(a4$, i3)
whitespace = 0
IF i3start = 0 AND c3 = 39 THEN
IF i3 <> LEN(metacommand$) + 2 THEN l$ = l$ + sp + MID$(a3$, i3) 'trailing comment
EXIT FOR
END IF
IF c3 = 32 OR c3 = 9 THEN whitespace = 1
IF c3 = 34 OR i3start <> 0 THEN
IF c3 = 34 THEN
IF i3start = 0 THEN
i3start = i3
ELSE
a3quotedString$ = MID$(a3$, i3start + 1, i3 - i3start - 1)
l$ = l$ + sp + CHR$(34) + a3quotedString$ + CHR$(34)
IF i3step <> 0 AND i3step <> 2 THEN a$ = metacommandHint$: GOTO errmes
IF i3step = 0 THEN sourceContent$ = a3quotedString$: i3step = 1
IF i3step = 2 THEN destLocation$ = a3quotedString$: i3step = 3
i3start = 0
END IF
END IF
ELSE
IF whitespace = 0 THEN
a3string$ = a3string$ + CHR$(c3)
ELSE
IF a3string$ <> "" THEN
IF UCASE$(a3string$) <> "IN" THEN a$ = metacommandHint$: GOTO errmes
IF i3step <> 1 THEN a$ = metacommandHint$: GOTO errmes
l$ = l$ + sp + "IN"
i3step = 2
a3string$ = ""
END IF
END IF
END IF
NEXT
IF LEN(a3string$) THEN a$ = metacommandHint$: GOTO errmes
IF i3start <> 0 THEN a$ = metacommandHint$: GOTO errmes
IF i3step = 0 OR i3step = 2 THEN a$ = metacommandHint$: GOTO errmes
'PRINT sourceContent$
'PRINT destLocation$
sourceLocation$ = ""
IF inclevel = 0 THEN
IF idemode THEN p$ = idepath$ + pathsep$ ELSE p$ = getfilepath$(sourcefile$)
ELSE
p$ = getfilepath$(incname(inclevel))
END IF
sourceLocation$ = p$
IF metacommand$ = "$INSTALLFILES" THEN
AryAddStr installFiles(), sourceContent$
AryAddStr installFilesSourceLocation(), sourceLocation$
AryAddStr installFilesIn(), destLocation$
ELSE
AryAddStr installFolder(), sourceContent$
AryAddStr installFolderSourceLocation(), sourceLocation$
AryAddStr installFolderIn(), destLocation$
END IF
IF Cloud THEN a$ = "Feature not supported on QLOUD": GOTO errmes '***NOCLOUD***
layout$ = l$
GOTO finishednonexec
END IF
'IF a3u$ = "$RESIZE:SMOOTH" THEN
' IF Cloud THEN a$ = "Feature not supported on QLOUD": GOTO errmes '***NOCLOUD***
' layout$ = "$RESIZE:SMOOTH"
' Resize = 1: Resize_Scale = 2
' GOTO finishednonexec
'END IF
IF a3u$ = "$VIRTUALKEYBOARD:ON" THEN
layout$ = "$VIRTUALKEYBOARD:ON"
GOTO finishednonexec
END IF
IF a3u$ = "$VIRTUALKEYBOARD:OFF" THEN
layout$ = "$VIRTUALKEYBOARD:OFF"
GOTO finishednonexec
END IF
IF a3u$ = "$CHECKING:OFF" THEN
IF Cloud THEN a$ = "Feature not supported on QLOUD": GOTO errmes '***NOCLOUD***
layout$ = "$CHECKING:OFF"
NoChecks = 1
GOTO finishednonexec
END IF
IF a3u$ = "$CHECKING:ON" THEN
layout$ = "$CHECKING:ON"
NoChecks = 0
GOTO finishednonexec
END IF
IF a3u$ = "$CONSOLE" THEN
IF Cloud THEN a$ = "Feature not supported on QLOUD": GOTO errmes '***NOCLOUD***
layout$ = "$CONSOLE"
Console = 1
GOTO finishednonexec
END IF
IF a3u$ = "$CONSOLE:ONLY" THEN
layout$ = "$CONSOLE:ONLY"
DEPENDENCY(DEPENDENCY_CONSOLE_ONLY) = DEPENDENCY(DEPENDENCY_CONSOLE_ONLY) OR 1
Console = 1
GOTO finishednonexec
END IF
IF a3u$ = "$SCREENHIDE" THEN
layout$ = "$SCREENHIDE"
ScreenHide = 1
GOTO finishednonexec
END IF
IF a3u$ = "$SCREENSHOW" THEN
IF Cloud THEN a$ = "Feature not supported on QLOUD": GOTO errmes '***NOCLOUD***
layout$ = "$SCREENSHOW"
ScreenHide = 0
GOTO finishednonexec
END IF
IF a3u$ = "$RESIZE:OFF" THEN
IF Cloud THEN a$ = "Feature not supported on QLOUD": GOTO errmes '***NOCLOUD***
layout$ = "$RESIZE:OFF"
Resize = 0: Resize_Scale = 0
GOTO finishednonexec
END IF
IF a3u$ = "$RESIZE:ON" THEN
IF Cloud THEN a$ = "Feature not supported on QLOUD": GOTO errmes '***NOCLOUD***
layout$ = "$RESIZE:ON"
Resize = 1: Resize_Scale = 0
GOTO finishednonexec
END IF
IF a3u$ = "$RESIZE:STRETCH" THEN
IF Cloud THEN a$ = "Feature not supported on QLOUD": GOTO errmes '***NOCLOUD***
layout$ = "$RESIZE:STRETCH"
Resize = 1: Resize_Scale = 1
GOTO finishednonexec
END IF
IF a3u$ = "$RESIZE:SMOOTH" THEN
IF Cloud THEN a$ = "Feature not supported on QLOUD": GOTO errmes '***NOCLOUD***
layout$ = "$RESIZE:SMOOTH"
Resize = 1: Resize_Scale = 2
GOTO finishednonexec
END IF
IF LEFT$(a3u$, 12) = "$VERSIONINFO" THEN
'Embed version info into the final binary (Windows only)
FirstDelimiter = INSTR(a3u$, ":")
SecondDelimiter = INSTR(FirstDelimiter + 1, a3u$, "=")
IF FirstDelimiter = 0 OR SecondDelimiter = 0 OR SecondDelimiter = FirstDelimiter + 1 THEN
a$ = "Expected $VERSIONINFO:key=value": GOTO errmes
END IF
VersionInfoKey$ = LTRIM$(RTRIM$(MID$(a3u$, FirstDelimiter + 1, SecondDelimiter - FirstDelimiter - 1)))
VersionInfoValue$ = StrReplace$(LTRIM$(RTRIM$(MID$(a3$, SecondDelimiter + 1))), CHR$(34), "'")
SELECT CASE VersionInfoKey$
CASE "FILEVERSION#"
GOSUB ValidateVersion
viFileVersionNum$ = VersionInfoValue$
layout$ = "$VERSIONINFO:FILEVERSION#=" + VersionInfoValue$
CASE "PRODUCTVERSION#"
GOSUB ValidateVersion
viProductVersionNum$ = VersionInfoValue$
layout$ = "$VERSIONINFO:PRODUCTVERSION#=" + VersionInfoValue$
CASE "COMPANYNAME"
viCompanyName$ = VersionInfoValue$
layout$ = "$VERSIONINFO:CompanyName=" + VersionInfoValue$
CASE "FILEDESCRIPTION"
viFileDescription$ = VersionInfoValue$
layout$ = "$VERSIONINFO:FileDescription=" + VersionInfoValue$
CASE "FILEVERSION"
viFileVersion$ = VersionInfoValue$
layout$ = "$VERSIONINFO:FileVersion=" + VersionInfoValue$
CASE "INTERNALNAME"
viInternalName$ = VersionInfoValue$
layout$ = "$VERSIONINFO:InternalName=" + VersionInfoValue$
CASE "LEGALCOPYRIGHT"
viLegalCopyright$ = VersionInfoValue$
layout$ = "$VERSIONINFO:LegalCopyright=" + VersionInfoValue$
CASE "LEGALTRADEMARKS"
viLegalTrademarks$ = VersionInfoValue$
layout$ = "$VERSIONINFO:LegalTrademarks=" + VersionInfoValue$
CASE "ORIGINALFILENAME"
viOriginalFilename$ = VersionInfoValue$
layout$ = "$VERSIONINFO:OriginalFilename=" + VersionInfoValue$
CASE "PRODUCTNAME"
viProductName$ = VersionInfoValue$
layout$ = "$VERSIONINFO:ProductName=" + VersionInfoValue$
CASE "PRODUCTVERSION"
viProductVersion$ = VersionInfoValue$
layout$ = "$VERSIONINFO:ProductVersion=" + VersionInfoValue$
CASE "COMMENTS"
viComments$ = VersionInfoValue$
layout$ = "$VERSIONINFO:Comments=" + VersionInfoValue$
CASE "WEB"
viWeb$ = VersionInfoValue$
layout$ = "$VERSIONINFO:Web=" + VersionInfoValue$
CASE ELSE
a$ = "Invalid key. (Use FILEVERSION#, PRODUCTVERSION#, CompanyName, FileDescription, FileVersion, InternalName, LegalCopyright, LegalTrademarks, OriginalFilename, ProductName, ProductVersion, Comments or Web)"
GOTO errmes
END SELECT
VersionInfoSet = -1
GOTO finishednonexec
ValidateVersion:
'Check if only numbers and commas (4 comma-separated values)
IF LEN(VersionInfoValue$) = 0 THEN a$ = "Expected: $VERSIONINFO:" + VersionInfoKey$ + "=#,#,#,# (4 comma-separated numeric values: major, minor, revision and build)": GOTO errmes
viCommas = 0
FOR i = 1 TO LEN(VersionInfoValue$)
IF ASC(VersionInfoValue$, i) = 44 THEN viCommas = viCommas + 1
IF INSTR("0123456789,", MID$(VersionInfoValue$, i, 1)) = 0 OR (i = LEN(VersionInfoValue$) AND viCommas <> 3) OR RIGHT$(VersionInfoValue$, 1) = "," THEN
a$ = "Expected: $VERSIONINFO:" + VersionInfoKey$ + "=#,#,#,# (4 comma-separated numeric values: major, minor, revision and build)": GOTO errmes
END IF
NEXT
RETURN
END IF
IF LEFT$(a3u$, 8) = "$EXEICON" THEN
'Basic syntax check. Multi-platform.
IF ExeIconSet THEN a$ = "$EXEICON already defined": GOTO errmes
FirstDelimiter = INSTR(a3u$, "'")
IF FirstDelimiter = 0 THEN
a$ = "Expected $EXEICON:'filename'": GOTO errmes
ELSE
SecondDelimiter = INSTR(FirstDelimiter + 1, a3u$, "'")
IF SecondDelimiter = 0 THEN a$ = "Expected $EXEICON:'filename'": GOTO errmes
END IF
ExeIconFile$ = RTRIM$(LTRIM$(MID$(a3$, FirstDelimiter + 1, SecondDelimiter - FirstDelimiter - 1)))
IF LEN(ExeIconFile$) = 0 THEN a$ = "Expected $EXEICON:'filename'": GOTO errmes
layout$ = "$EXEICON:'" + ExeIconFile$ + "'" + MID$(a3$, SecondDelimiter + 1)
IF INSTR(_OS$, "WIN") THEN
'Actual metacommand processing. Windows only.
'Expand relative path to full path:
IconPath$ = ""
IF LEFT$(ExeIconFile$, 2) = "./" OR LEFT$(ExeIconFile$, 2) = ".\" THEN
'Relative to source file's folder
IF NoIDEMode THEN
IconPath$ = path.source$
IF LEN(IconPath$) > 0 AND RIGHT$(IconPath$, 1) <> pathsep$ THEN IconPath$ = IconPath$ + pathsep$
ELSE
IF LEN(ideprogname) THEN IconPath$ = idepath$ + pathsep$
END IF
ExeIconFile$ = IconPath$ + MID$(ExeIconFile$, 3)
ELSEIF INSTR(ExeIconFile$, "/") OR INSTR(ExeIconFile$, "\") THEN
FOR i = LEN(ExeIconFile$) TO 1 STEP -1
IF MID$(ExeIconFile$, i, 1) = "/" OR MID$(ExeIconFile$, i, 1) = "\" THEN
IconPath$ = LEFT$(ExeIconFile$, i)
ExeIconFile$ = MID$(ExeIconFile$, i + 1)
IF _DIREXISTS(IconPath$) = 0 THEN a$ = "File '" + ExeIconFile$ + "' not found": GOTO errmes
currentdir$ = _CWD$
CHDIR IconPath$
IconPath$ = _CWD$
CHDIR currentdir$
ExeIconFile$ = IconPath$ + pathsep$ + ExeIconFile$
EXIT FOR
END IF
NEXT
END IF
IF _FILEEXISTS(ExeIconFile$) = 0 THEN
IF LEN(IconPath$) THEN
a$ = "File '" + MID$(ExeIconFile$, LEN(IconPath$) + 1) + "' not found": GOTO errmes
ELSE
a$ = "File '" + ExeIconFile$ + "' not found": GOTO errmes
END IF
ELSE
iconfilehandle = FREEFILE
E = 0
ON ERROR GOTO qberror_test
OPEN tmpdir$ + "icon.rc" FOR OUTPUT AS #iconfilehandle
PRINT #iconfilehandle, "0 ICON " + QuotedFilename$(StrReplace$(ExeIconFile$, "\", "/"))
CLOSE #iconfilehandle
IF E = 1 THEN a$ = "Error creating icon resource file": GOTO errmes
ON ERROR GOTO qberror
END IF
END IF
ExeIconSet = linenumber
SetDependency DEPENDENCY_ICON
PRINT #12, "do{"
PRINT #12, "sub__icon(NULL,NULL,0);"
GOTO finishedline2
END IF
END IF 'QB64 Metacommands
IF ExecLevel(ExecCounter) THEN
layoutdone = 0
GOTO finishednonexec 'we don't check for anything inside lines that we've marked for skipping
END IF
linedataoffset = DataOffset
entireline$ = lineformat(a3$): IF LEN(entireline$) = 0 THEN GOTO finishednonexec
IF Error_Happened THEN GOTO errmes
u$ = UCASE$(entireline$)
newif = 0
'Convert "CASE ELSE" to "CASE C-EL" to avoid confusing compiler
'note: CASE does not have to begin on a new line
s = 1
i = INSTR(s, u$, "CASE" + sp + "ELSE")
DO WHILE i
skip = 0
IF i <> 1 THEN
IF MID$(u$, i - 1, 1) <> sp THEN skip = 1
END IF
IF i <> LEN(u$) - 8 THEN
IF MID$(u$, i + 9, 1) <> sp THEN skip = 1
END IF
IF skip = 0 THEN
MID$(entireline$, i) = "CASE" + sp + "C-EL"
u$ = UCASE$(entireline$)
END IF
s = i + 9
i = INSTR(s, u$, "CASE" + sp + "ELSE")
LOOP
n = numelements(entireline$)
'line number?
a = ASC(entireline$)
IF (a >= 48 AND a <= 57) OR a = 46 THEN 'numeric
label$ = getelement(entireline$, 1)
IF validlabel(label$) THEN
v = HashFind(label$, HASHFLAG_LABEL, ignore, r)
addlabchk100:
IF v THEN
s = Labels(r).Scope
IF s = subfuncn OR s = -1 THEN 'same scope?
IF s = -1 THEN Labels(r).Scope = subfuncn 'acquire scope
IF Labels(r).State = 1 THEN a$ = "Duplicate label": GOTO errmes
'aquire state 0 types
tlayout$ = RTRIM$(Labels(r).cn)
GOTO addlabaq100
END IF 'same scope
IF v = 2 THEN v = HashFindCont(ignore, r): GOTO addlabchk100
END IF
'does not exist
nLabels = nLabels + 1: IF nLabels > Labels_Ubound THEN Labels_Ubound = Labels_Ubound * 2: REDIM _PRESERVE Labels(1 TO Labels_Ubound) AS Label_Type
Labels(nLabels) = Empty_Label
HashAdd label$, HASHFLAG_LABEL, nLabels
r = nLabels
Labels(r).cn = tlayout$
Labels(r).Scope = subfuncn
addlabaq100:
Labels(r).State = 1
Labels(r).Data_Offset = linedataoffset
layout$ = tlayout$
PRINT #12, "LABEL_" + label$ + ":;"
IF INSTR(label$, "p") THEN MID$(label$, INSTR(label$, "p"), 1) = "."
IF RIGHT$(label$, 1) = "d" OR RIGHT$(label$, 1) = "s" THEN label$ = LEFT$(label$, LEN(label$) - 1)
PRINT #12, "last_line=" + label$ + ";"
inclinenump$ = ""
IF inclinenumber(inclevel) THEN
inclinenump$ = "," + str2$(inclinenumber(inclevel))
thisincname$ = getfilepath$(incname$(inclevel))
thisincname$ = MID$(incname$(inclevel), LEN(thisincname$) + 1)
inclinenump$ = inclinenump$ + "," + CHR$(34) + thisincname$ + CHR$(34)
END IF
IF NoChecks = 0 THEN
PRINT #12, "if(qbevent){evnt(" + str2$(linenumber) + inclinenump$ + ");r=0;}"
END IF
IF n = 1 THEN GOTO finishednonexec
entireline$ = getelements(entireline$, 2, n): u$ = UCASE$(entireline$): n = n - 1
'note: fall through, numeric labels can be followed by alphanumeric label
END IF 'validlabel
END IF 'numeric
'it wasn't a line number
'label?
'note: ignores possibility that this could be a single command SUB/FUNCTION (as in QBASIC?)
IF n >= 2 THEN
x2 = INSTR(entireline$, sp + ":")
IF x2 THEN
IF x2 = LEN(entireline$) - 1 THEN x3 = x2 + 1 ELSE x3 = x2 + 2
a$ = LEFT$(entireline$, x2 - 1)
CreatingLabel = 1
IF validlabel(a$) THEN
IF validname(a$) = 0 THEN a$ = "Invalid name": GOTO errmes
v = HashFind(a$, HASHFLAG_LABEL, ignore, r)
addlabchk:
IF v THEN
s = Labels(r).Scope
IF s = subfuncn OR s = -1 THEN 'same scope?
IF s = -1 THEN Labels(r).Scope = subfuncn 'acquire scope
IF Labels(r).State = 1 THEN a$ = "Duplicate label": GOTO errmes
'aquire state 0 types
tlayout$ = RTRIM$(Labels(r).cn)
GOTO addlabaq
END IF 'same scope
IF v = 2 THEN v = HashFindCont(ignore, r): GOTO addlabchk
END IF
'does not exist
nLabels = nLabels + 1: IF nLabels > Labels_Ubound THEN Labels_Ubound = Labels_Ubound * 2: REDIM _PRESERVE Labels(1 TO Labels_Ubound) AS Label_Type
Labels(nLabels) = Empty_Label
HashAdd a$, HASHFLAG_LABEL, nLabels
r = nLabels
Labels(r).cn = tlayout$
Labels(r).Scope = subfuncn
addlabaq:
Labels(r).State = 1
Labels(r).Data_Offset = linedataoffset
Labels(r).SourceLineNumber = linenumber
IF LEN(layout$) THEN layout$ = layout$ + sp + tlayout$ + ":" ELSE layout$ = tlayout$ + ":"
PRINT #12, "LABEL_" + a$ + ":;"
inclinenump$ = ""
IF inclinenumber(inclevel) THEN
inclinenump$ = "," + str2$(inclinenumber(inclevel))
thisincname$ = getfilepath$(incname$(inclevel))
thisincname$ = MID$(incname$(inclevel), LEN(thisincname$) + 1)
inclinenump$ = inclinenump$ + "," + CHR$(34) + thisincname$ + CHR$(34)
END IF
IF NoChecks = 0 THEN
PRINT #12, "if(qbevent){evnt(" + str2$(linenumber) + inclinenump$ + ");r=0;}"
END IF
entireline$ = RIGHT$(entireline$, LEN(entireline$) - x3): u$ = UCASE$(entireline$)
n = numelements(entireline$): IF n = 0 THEN GOTO finishednonexec
END IF 'valid
END IF 'includes sp+":"
END IF 'n>=2
'remove leading ":"
DO WHILE ASC(u$) = 58 '":"
IF LEN(layout$) THEN layout$ = layout$ + sp2 + ":" ELSE layout$ = ":"
IF LEN(u$) = 1 THEN GOTO finishednonexec
entireline$ = getelements(entireline$, 2, n): u$ = UCASE$(entireline$): n = n - 1
LOOP
'ELSE at the beginning of a line
IF ASC(u$) = 69 THEN '"E"
e1$ = getelement(u$, 1)
IF e1$ = "ELSE" THEN
a$ = "ELSE"
IF n > 1 THEN continuelinefrom = 2
GOTO gotcommand
END IF
IF e1$ = "ELSEIF" THEN
IF n < 3 THEN a$ = "Expected ... THEN": GOTO errmes
IF getelement(u$, n) = "THEN" THEN a$ = entireline$: GOTO gotcommand
FOR i = 3 TO n - 1
IF getelement(u$, i) = "THEN" THEN
a$ = getelements(entireline$, 1, i)
continuelinefrom = i + 1
GOTO gotcommand
END IF
NEXT
a$ = "Expected THEN": GOTO errmes
END IF
END IF '"E"
start = 1
GOTO skipcontinit
contline:
n = numelements(entireline$)
u$ = UCASE$(entireline$)
skipcontinit:
'jargon:
'lineelseused - counts how many line ELSEs can POSSIBLY follow
'endifs - how many C++ endifs "}" need to be added at the end of the line
'lineelseused - counts the number of indwelling ELSE statements on a line
'impliedendif - stops autoformat from adding "END IF"
a$ = ""
FOR i = start TO n
e$ = getelement(u$, i)
IF e$ = ":" THEN
IF i = start THEN
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp2 + ":" ELSE layout$ = ":"
IF i <> n THEN continuelinefrom = i + 1
GOTO finishednonexec
END IF
IF i <> n THEN continuelinefrom = i
GOTO gotcommand
END IF
'begin scanning an 'IF' statement
IF e$ = "IF" AND a$ = "" THEN newif = 1
IF e$ = "THEN" OR (e$ = "GOTO" AND newif = 1) THEN
IF newif = 0 THEN a$ = "THEN without IF": GOTO errmes
newif = 0
IF lineelseused > 0 THEN lineelseused = lineelseused - 1
IF e$ = "GOTO" THEN
IF i = n THEN a$ = "Expected IF expression GOTO label": GOTO errmes
i = i - 1
END IF
a$ = a$ + sp + e$ '+"THEN"/"GOTO"
IF i <> n THEN continuelinefrom = i + 1: endifs = endifs + 1
GOTO gotcommand
END IF
IF e$ = "ELSE" THEN
IF start = i THEN
IF lineelseused >= 1 THEN
'note: more than one else used (in a row) on this line, so close first if with an 'END IF' first
'note: parses 'END IF' then (after continuelinefrom) parses 'ELSE'
'consider the following: (square brackets make reading easier)
'eg. if a=1 then [if b=2 then c=2 else d=2] else e=3
impliedendif = 1: a$ = "END" + sp + "IF"
endifs = endifs - 1
continuelinefrom = i
lineelseused = lineelseused - 1
GOTO gotcommand
END IF
'follow up previously encountered 'ELSE' by applying 'ELSE'
a$ = "ELSE": continuelinefrom = i + 1
lineelseused = lineelseused + 1
GOTO gotcommand
END IF 'start=i
'apply everything up to (but not including) 'ELSE'
continuelinefrom = i
GOTO gotcommand
END IF '"ELSE"
e$ = getelement(entireline$, i): IF a$ = "" THEN a$ = e$ ELSE a$ = a$ + sp + e$
NEXT
'we're reached the end of the line
IF endifs > 0 THEN
endifs = endifs - 1
impliedendif = 1: entireline$ = entireline$ + sp + ":" + sp + "END" + sp + "IF": n = n + 3
i = i + 1 'skip the ":" (i is now equal to n+2)
continuelinefrom = i
GOTO gotcommand
END IF
gotcommand:
dynscope = 0
ca$ = a$
a$ = eleucase$(ca$) '***REVISE THIS SECTION LATER***
layoutdone = 0
linefragment = a$
IF Debug THEN PRINT #9, a$
n = numelements(a$)
IF n = 0 THEN GOTO finishednonexec
'convert non-UDT dimensioned periods to _046_
IF INSTR(ca$, sp + "." + sp) THEN
a3$ = getelement(ca$, 1)
except = 0
aa$ = a3$ + sp 'rebuilt a$ (always has a trailing spacer)
lastfuse = -1
FOR x = 2 TO n
a2$ = getelement(ca$, x)
IF except = 1 THEN except = 2: GOTO udtperiod 'skip element name
IF a2$ = "." AND x <> n THEN
IF except = 2 THEN except = 1: GOTO udtperiod 'sub-element of UDT
IF a3$ = ")" THEN
'assume it was something like typevar(???).x and treat as a UDT
except = 1
GOTO udtperiod
END IF
'find an ID of that type
try = findid(UCASE$(a3$))
IF Error_Happened THEN GOTO errmes
DO WHILE try
IF ((id.t AND ISUDT) <> 0) OR ((id.arraytype AND ISUDT) <> 0) THEN
except = 1
GOTO udtperiod
END IF
IF try = 2 THEN findanotherid = 1: try = findid(UCASE$(a3$)) ELSE try = 0
IF Error_Happened THEN GOTO errmes
LOOP
'not a udt; fuse lhs & rhs with _046_
IF isalpha(ASC(a3$)) = 0 AND lastfuse <> x - 2 THEN a$ = "Invalid '.'": GOTO errmes
aa$ = LEFT$(aa$, LEN(aa$) - 1) + fix046$
lastfuse = x
GOTO periodfused
END IF '"."
except = 0
udtperiod:
aa$ = aa$ + a2$ + sp
periodfused:
a3$ = a2$
NEXT
a$ = LEFT$(aa$, LEN(aa$) - 1)
ca$ = a$
a$ = eleucase$(ca$)
n = numelements(a$)
END IF
arrayprocessinghappened = 0
firstelement$ = getelement(a$, 1)
secondelement$ = getelement(a$, 2)
thirdelement$ = getelement(a$, 3)
'non-executable section
IF n = 1 THEN
IF firstelement$ = "'" THEN layoutdone = 1: GOTO finishednonexec 'nop
END IF
IF n <= 2 THEN
IF firstelement$ = "DATA" THEN
l$ = firstelement$
IF n = 2 THEN
e$ = SPACE$((LEN(secondelement$) - 1) \ 2)
FOR x = 1 TO LEN(e$)
v1 = ASC(secondelement$, x * 2)
v2 = ASC(secondelement$, x * 2 + 1)
IF v1 < 65 THEN v1 = v1 - 48 ELSE v1 = v1 - 55
IF v2 < 65 THEN v2 = v2 - 48 ELSE v2 = v2 - 55
ASC(e$, x) = v1 + v2 * 16
NEXT
l$ = l$ + sp + e$
END IF 'n=2
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishednonexec
END IF
END IF
'declare library
IF declaringlibrary THEN
IF firstelement$ = "END" THEN
IF n <> 2 OR secondelement$ <> "DECLARE" THEN a$ = "Expected END DECLARE": GOTO errmes
declaringlibrary = 0
l$ = "END" + sp + "DECLARE"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishednonexec
END IF 'end declare
declaringlibrary = 2
IF firstelement$ = "SUB" OR firstelement$ = "FUNCTION" THEN
GOTO declaresubfunc2
END IF
a$ = "Expected SUB/FUNCTION definition or END DECLARE": GOTO errmes
END IF 'declaringlibrary
'check TYPE declarations (created on prepass)
IF definingtype THEN
IF firstelement$ = "END" THEN
IF n <> 2 OR secondelement$ <> "TYPE" THEN a$ = "Expected END TYPE": GOTO errmes
definingtype = 0
l$ = "END" + sp + "TYPE"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishednonexec
END IF
IF n < 3 OR secondelement$ <> "AS" THEN a$ = "Expected element-name AS type-name": GOTO errmes
definingtype = 2
l$ = getelement(ca$, 1) + sp + "AS"
t$ = getelements$(a$, 3, n)
typ = typname2typ(t$)
IF Error_Happened THEN GOTO errmes
IF typ = 0 THEN a$ = "Undefined type": GOTO errmes
IF typ AND ISUDT THEN
t$ = RTRIM$(udtxcname(typ AND 511))
END IF
l$ = l$ + sp + t$
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishednonexec
END IF 'defining type
IF firstelement$ = "TYPE" THEN
IF n <> 2 THEN a$ = "Expected TYPE type-name": GOTO errmes
l$ = "TYPE" + sp + getelement(ca$, 2)
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
definingtype = 1
definingtypeerror = linenumber
GOTO finishednonexec
END IF
'skip DECLARE SUB/FUNCTION
IF n >= 1 THEN
IF firstelement$ = "DECLARE" THEN
IF secondelement$ = "LIBRARY" OR secondelement$ = "DYNAMIC" OR secondelement$ = "CUSTOMTYPE" OR secondelement$ = "STATIC" THEN
declaringlibrary = 1
dynamiclibrary = 0
customtypelibrary = 0
indirectlibrary = 0
staticlinkedlibrary = 0
x = 3
l$ = "DECLARE" + sp + "LIBRARY"
IF secondelement$ = "DYNAMIC" THEN
e$ = getelement$(a$, 3): IF e$ <> "LIBRARY" THEN a$ = "Expected DYNAMIC LIBRARY " + CHR$(34) + "..." + CHR$(34): GOTO errmes
dynamiclibrary = 1
x = 4
l$ = "DECLARE" + sp + "DYNAMIC" + sp + "LIBRARY"
IF n = 3 THEN a$ = "Expected DECLARE DYNAMIC LIBRARY " + CHR$(34) + "..." + CHR$(34): GOTO errmes
indirectlibrary = 1
END IF
IF secondelement$ = "CUSTOMTYPE" THEN
e$ = getelement$(a$, 3): IF e$ <> "LIBRARY" THEN a$ = "Expected CUSTOMTYPE LIBRARY": GOTO errmes
customtypelibrary = 1
x = 4
l$ = "DECLARE" + sp + "CUSTOMTYPE" + sp + "LIBRARY"
indirectlibrary = 1
END IF
IF secondelement$ = "STATIC" THEN
e$ = getelement$(a$, 3): IF e$ <> "LIBRARY" THEN a$ = "Expected STATIC LIBRARY": GOTO errmes
x = 4
l$ = "DECLARE" + sp + "STATIC" + sp + "LIBRARY"
staticlinkedlibrary = 1
END IF
sfdeclare = 0: sfheader = 0
IF n >= x THEN
sfdeclare = 1
addlibrary:
libname$ = ""
headername$ = ""
'assume library name in double quotes follows
'assume library is in main qb64 folder
x$ = getelement$(ca$, x)
IF ASC(x$) <> 34 THEN a$ = "Expected LIBRARY " + CHR$(34) + "..." + CHR$(34): GOTO errmes
x$ = RIGHT$(x$, LEN(x$) - 1)
z = INSTR(x$, CHR$(34))
IF z = 0 THEN a$ = "Expected LIBRARY " + CHR$(34) + "..." + CHR$(34): GOTO errmes
x$ = LEFT$(x$, z - 1)
IF dynamiclibrary <> 0 AND LEN(x$) = 0 THEN a$ = "Expected DECLARE DYNAMIC LIBRARY " + CHR$(34) + "..." + CHR$(34): GOTO errmes
IF customtypelibrary <> 0 AND LEN(x$) = 0 THEN a$ = "Expected DECLARE CUSTOMTYPE LIBRARY " + CHR$(34) + "..." + CHR$(34): GOTO errmes
'convert '\\' to '\'
WHILE INSTR(x$, "\\")
z = INSTR(x$, "\\")
x$ = LEFT$(x$, z - 1) + RIGHT$(x$, LEN(x$) - z)
WEND
autoformat_x$ = x$ 'used for autolayout purposes
'Remove version number from library name
'Eg. libname:1.0 becomes libname <-> 1.0 which later becomes libname.so.1.0
v$ = ""
striplibver:
FOR z = LEN(x$) TO 1 STEP -1
a = ASC(x$, z)
IF a = ASC_BACKSLASH OR a = ASC_FORWARDSLASH THEN EXIT FOR
IF a = ASC_FULLSTOP OR a = ASC_COLON THEN
IF isuinteger(RIGHT$(x$, LEN(x$) - z)) THEN
IF LEN(v$) THEN v$ = RIGHT$(x$, LEN(x$) - z) + "." + v$ ELSE v$ = RIGHT$(x$, LEN(x$) - z)
x$ = LEFT$(x$, z - 1)
IF a = ASC_COLON THEN EXIT FOR
GOTO striplibver
ELSE
EXIT FOR
END IF
END IF
NEXT
libver$ = v$
IF os$ = "WIN" THEN
'convert forward-slashes to back-slashes
DO WHILE INSTR(x$, "/")
z = INSTR(x$, "/")
x$ = LEFT$(x$, z - 1) + "\" + RIGHT$(x$, LEN(x$) - z)
LOOP
END IF
IF os$ = "LNX" THEN
'convert any back-slashes to forward-slashes
DO WHILE INSTR(x$, "\")
z = INSTR(x$, "\")
x$ = LEFT$(x$, z - 1) + "/" + RIGHT$(x$, LEN(x$) - z)
LOOP
END IF
'Separate path from name
libpath$ = ""
FOR z = LEN(x$) TO 1 STEP -1
a = ASC(x$, z)
IF a = 47 OR a = 92 THEN '\ or /
libpath$ = LEFT$(x$, z)
x$ = RIGHT$(x$, LEN(x$) - z)
EXIT FOR
END IF
NEXT
'Accept ./ and .\ as a reference to the source file
'folder, replacing it with the actual full path, if available
IF libpath$ = "./" OR libpath$ = ".\" THEN
libpath$ = ""
IF NoIDEMode THEN
libpath$ = path.source$
IF LEN(libpath$) > 0 AND RIGHT$(libpath$, 1) <> pathsep$ THEN libpath$ = libpath$ + pathsep$
ELSE
IF LEN(ideprogname) THEN libpath$ = idepath$ + pathsep$
END IF
END IF
'Create a path which can be used for inline code (uses \\ instead of \)
libpath_inline$ = ""
FOR z = 1 TO LEN(libpath$)
a = ASC(libpath$, z)
libpath_inline$ = libpath_inline$ + CHR$(a)
IF a = 92 THEN libpath_inline$ = libpath_inline$ + "\"
NEXT
IF LEN(x$) THEN
IF dynamiclibrary = 0 THEN
'Static library
IF os$ = "WIN" THEN
'check for .lib
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(libpath$ + x$ + ".lib") THEN
libname$ = libpath$ + x$ + ".lib"
inlinelibname$ = libpath_inline$ + x$ + ".lib"
END IF
END IF
'check for .a
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(libpath$ + x$ + ".a") THEN
libname$ = libpath$ + x$ + ".a"
inlinelibname$ = libpath_inline$ + x$ + ".a"
END IF
END IF
'check for .o
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(libpath$ + x$ + ".o") THEN
libname$ = libpath$ + x$ + ".o"
inlinelibname$ = libpath_inline$ + x$ + ".o"
END IF
END IF
'check for .lib
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(x$ + ".lib") THEN
libname$ = x$ + ".lib"
inlinelibname$ = x$ + ".lib"
END IF
END IF
'check for .a
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(x$ + ".a") THEN
libname$ = x$ + ".a"
inlinelibname$ = x$ + ".a"
END IF
END IF
'check for .o
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(x$ + ".o") THEN
libname$ = x$ + ".o"
inlinelibname$ = x$ + ".o"
END IF
END IF
END IF 'Windows
IF os$ = "LNX" THEN
IF staticlinkedlibrary = 0 THEN
IF MacOSX THEN 'dylib support
'check for .dylib (direct)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(libpath$ + "lib" + x$ + "." + libver$ + ".dylib") THEN
libname$ = libpath$ + "lib" + x$ + "." + libver$ + ".dylib"
inlinelibname$ = libpath_inline$ + "lib" + x$ + "." + libver$ + ".dylib"
IF LEN(libpath$) THEN mylibopt$ = mylibopt$ + " -Wl,-rpath " + libpath$ + " " ELSE mylibopt$ = mylibopt$ + " -Wl,-rpath ./ "
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(libpath$ + "lib" + x$ + ".dylib") THEN
libname$ = libpath$ + "lib" + x$ + ".dylib"
inlinelibname$ = libpath_inline$ + "lib" + x$ + ".dylib"
IF LEN(libpath$) THEN mylibopt$ = mylibopt$ + " -Wl,-rpath " + libpath$ + " " ELSE mylibopt$ = mylibopt$ + " -Wl,-rpath ./ "
END IF
END IF
END IF
'check for .so (direct)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(libpath$ + "lib" + x$ + ".so." + libver$) THEN
libname$ = libpath$ + "lib" + x$ + ".so." + libver$
inlinelibname$ = libpath_inline$ + "lib" + x$ + ".so." + libver$
IF LEN(libpath$) THEN mylibopt$ = mylibopt$ + " -Wl,-rpath " + libpath$ + " " ELSE mylibopt$ = mylibopt$ + " -Wl,-rpath ./ "
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(libpath$ + "lib" + x$ + ".so") THEN
libname$ = libpath$ + "lib" + x$ + ".so"
inlinelibname$ = libpath_inline$ + "lib" + x$ + ".so"
IF LEN(libpath$) THEN mylibopt$ = mylibopt$ + " -Wl,-rpath " + libpath$ + " " ELSE mylibopt$ = mylibopt$ + " -Wl,-rpath ./ "
END IF
END IF
END IF
'check for .a (direct)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(libpath$ + "lib" + x$ + ".a") THEN
libname$ = libpath$ + "lib" + x$ + ".a"
inlinelibname$ = libpath_inline$ + "lib" + x$ + ".a"
END IF
END IF
'check for .o (direct)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(libpath$ + "lib" + x$ + ".o") THEN
libname$ = libpath$ + "lib" + x$ + ".o"
inlinelibname$ = libpath_inline$ + "lib" + x$ + ".o"
END IF
END IF
IF staticlinkedlibrary = 0 THEN
'check for .so (usr/lib64)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib64/" + libpath$ + "lib" + x$ + ".so." + libver$) THEN
libname$ = "/usr/lib64/" + libpath$ + "lib" + x$ + ".so." + libver$
inlinelibname$ = "/usr/lib64/" + libpath_inline$ + "lib" + x$ + ".so." + libver$
IF LEN(libpath$) THEN mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib64/" + libpath$ + " " ELSE mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib64/ "
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib64/" + libpath$ + "lib" + x$ + ".so") THEN
libname$ = "/usr/lib64/" + libpath$ + "lib" + x$ + ".so"
inlinelibname$ = "/usr/lib64/" + libpath_inline$ + "lib" + x$ + ".so"
IF LEN(libpath$) THEN mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib64/" + libpath$ + " " ELSE mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib64/ "
END IF
END IF
END IF
'check for .a (usr/lib64)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib64/" + libpath$ + "lib" + x$ + ".a") THEN
libname$ = "/usr/lib64/" + libpath$ + "lib" + x$ + ".a"
inlinelibname$ = "/usr/lib64/" + libpath_inline$ + "lib" + x$ + ".a"
END IF
END IF
IF staticlinkedlibrary = 0 THEN
IF MacOSX THEN 'dylib support
'check for .dylib (usr/lib)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + libpath$ + "lib" + x$ + "." + libver$ + ".dylib") THEN
libname$ = "/usr/lib/" + libpath$ + "lib" + x$ + "." + libver$ + ".dylib"
inlinelibname$ = "/usr/lib/" + libpath_inline$ + "lib" + x$ + "." + libver$ + ".dylib"
IF LEN(libpath$) THEN mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib/" + libpath$ + " " ELSE mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib/ "
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + libpath$ + "lib" + x$ + ".dylib") THEN
libname$ = "/usr/lib/" + libpath$ + "lib" + x$ + ".dylib"
inlinelibname$ = "/usr/lib/" + libpath_inline$ + "lib" + x$ + ".dylib"
IF LEN(libpath$) THEN mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib/" + libpath$ + " " ELSE mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib/ "
END IF
END IF
END IF
'check for .so (usr/lib)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + libpath$ + "lib" + x$ + ".so." + libver$) THEN
libname$ = "/usr/lib/" + libpath$ + "lib" + x$ + ".so." + libver$
inlinelibname$ = "/usr/lib/" + libpath_inline$ + "lib" + x$ + ".so." + libver$
IF LEN(libpath$) THEN mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib/" + libpath$ + " " ELSE mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib/ "
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + libpath$ + "lib" + x$ + ".so") THEN
libname$ = "/usr/lib/" + libpath$ + "lib" + x$ + ".so"
inlinelibname$ = "/usr/lib/" + libpath_inline$ + "lib" + x$ + ".so"
IF LEN(libpath$) THEN mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib/" + libpath$ + " " ELSE mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib/ "
END IF
END IF
END IF
'check for .a (usr/lib)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + libpath$ + "lib" + x$ + ".a") THEN
libname$ = "/usr/lib/" + libpath$ + "lib" + x$ + ".a"
inlinelibname$ = "/usr/lib/" + libpath_inline$ + "lib" + x$ + ".a"
END IF
END IF
'--------------------------(without path)------------------------------
IF staticlinkedlibrary = 0 THEN
IF MacOSX THEN 'dylib support
'check for .dylib (direct)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("lib" + x$ + "." + libver$ + ".dylib") THEN
libname$ = "lib" + x$ + "." + libver$ + ".dylib"
inlinelibname$ = "lib" + x$ + "." + libver$ + ".dylib"
mylibopt$ = mylibopt$ + " -Wl,-rpath ./ "
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("lib" + x$ + ".dylib") THEN
libname$ = "lib" + x$ + ".dylib"
inlinelibname$ = "lib" + x$ + ".dylib"
mylibopt$ = mylibopt$ + " -Wl,-rpath ./ "
END IF
END IF
END IF
'check for .so (direct)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("lib" + x$ + ".so." + libver$) THEN
libname$ = "lib" + x$ + ".so." + libver$
inlinelibname$ = "lib" + x$ + ".so." + libver$
mylibopt$ = mylibopt$ + " -Wl,-rpath ./ "
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("lib" + x$ + ".so") THEN
libname$ = "lib" + x$ + ".so"
inlinelibname$ = "lib" + x$ + ".so"
mylibopt$ = mylibopt$ + " -Wl,-rpath ./ "
END IF
END IF
END IF
'check for .a (direct)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("lib" + x$ + ".a") THEN
libname$ = "lib" + x$ + ".a"
inlinelibname$ = "lib" + x$ + ".a"
END IF
END IF
'check for .o (direct)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("lib" + x$ + ".o") THEN
libname$ = "lib" + x$ + ".o"
inlinelibname$ = "lib" + x$ + ".o"
END IF
END IF
IF staticlinkedlibrary = 0 THEN
'check for .so (usr/lib64)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib64/" + "lib" + x$ + ".so." + libver$) THEN
libname$ = "/usr/lib64/" + "lib" + x$ + ".so." + libver$
inlinelibname$ = "/usr/lib64/" + "lib" + x$ + ".so." + libver$
mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib64/ "
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib64/" + "lib" + x$ + ".so") THEN
libname$ = "/usr/lib64/" + "lib" + x$ + ".so"
inlinelibname$ = "/usr/lib64/" + "lib" + x$ + ".so"
mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib64/ "
END IF
END IF
END IF
'check for .a (usr/lib64)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib64/" + "lib" + x$ + ".a") THEN
libname$ = "/usr/lib64/" + "lib" + x$ + ".a"
inlinelibname$ = "/usr/lib64/" + "lib" + x$ + ".a"
END IF
END IF
IF staticlinkedlibrary = 0 THEN
IF MacOSX THEN 'dylib support
'check for .dylib (usr/lib)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + "lib" + x$ + "." + libver$ + ".dylib") THEN
libname$ = "/usr/lib/" + "lib" + x$ + "." + libver$ + ".dylib"
inlinelibname$ = "/usr/lib/" + "lib" + x$ + "." + libver$ + ".dylib"
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + "lib" + x$ + ".dylib") THEN
libname$ = "/usr/lib/" + "lib" + x$ + ".dylib"
inlinelibname$ = "/usr/lib/" + "lib" + x$ + ".dylib"
mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib/ "
END IF
END IF
END IF
'check for .so (usr/lib)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + "lib" + x$ + ".so." + libver$) THEN
libname$ = "/usr/lib/" + "lib" + x$ + ".so." + libver$
inlinelibname$ = "/usr/lib/" + "lib" + x$ + ".so." + libver$
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + "lib" + x$ + ".so") THEN
libname$ = "/usr/lib/" + "lib" + x$ + ".so"
inlinelibname$ = "/usr/lib/" + "lib" + x$ + ".so"
mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib/ "
END IF
END IF
END IF
'check for .a (usr/lib)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + "lib" + x$ + ".a") THEN
libname$ = "/usr/lib/" + "lib" + x$ + ".a"
inlinelibname$ = "/usr/lib/" + "lib" + x$ + ".a"
mylibopt$ = mylibopt$ + " -Wl,-rpath /usr/lib/ "
END IF
END IF
END IF 'Linux
'check for header
IF LEN(headername$) = 0 THEN
IF os$ = "WIN" THEN
IF _FILEEXISTS(libpath$ + x$ + ".h") THEN
headername$ = libpath_inline$ + x$ + ".h"
IF customtypelibrary = 0 THEN sfdeclare = 0
sfheader = 1
GOTO GotHeader
END IF
IF _FILEEXISTS(libpath$ + x$ + ".hpp") THEN
headername$ = libpath_inline$ + x$ + ".hpp"
IF customtypelibrary = 0 THEN sfdeclare = 0
sfheader = 1
GOTO GotHeader
END IF
'--------------------------(without path)------------------------------
IF _FILEEXISTS(x$ + ".h") THEN
headername$ = x$ + ".h"
IF customtypelibrary = 0 THEN sfdeclare = 0
sfheader = 1
GOTO GotHeader
END IF
IF _FILEEXISTS(x$ + ".hpp") THEN
headername$ = x$ + ".hpp"
IF customtypelibrary = 0 THEN sfdeclare = 0
sfheader = 1
GOTO GotHeader
END IF
END IF 'Windows
IF os$ = "LNX" THEN
IF _FILEEXISTS(libpath$ + x$ + ".h") THEN
headername$ = libpath_inline$ + x$ + ".h"
IF customtypelibrary = 0 THEN sfdeclare = 0
sfheader = 1
GOTO GotHeader
END IF
IF _FILEEXISTS(libpath$ + x$ + ".hpp") THEN
headername$ = libpath_inline$ + x$ + ".hpp"
IF customtypelibrary = 0 THEN sfdeclare = 0
sfheader = 1
GOTO GotHeader
END IF
IF _FILEEXISTS("/usr/include/" + libpath$ + x$ + ".h") THEN
headername$ = "/usr/include/" + libpath_inline$ + x$ + ".h"
IF customtypelibrary = 0 THEN sfdeclare = 0
sfheader = 1
GOTO GotHeader
END IF
IF _FILEEXISTS("/usr/include/" + libpath$ + x$ + ".hpp") THEN
headername$ = "/usr/include/" + libpath_inline$ + x$ + ".hpp"
IF customtypelibrary = 0 THEN sfdeclare = 0
sfheader = 1
GOTO GotHeader
END IF
'--------------------------(without path)------------------------------
IF _FILEEXISTS(x$ + ".h") THEN
headername$ = x$ + ".h"
IF customtypelibrary = 0 THEN sfdeclare = 0
sfheader = 1
GOTO GotHeader
END IF
IF _FILEEXISTS(x$ + ".hpp") THEN
headername$ = x$ + ".hpp"
IF customtypelibrary = 0 THEN sfdeclare = 0
sfheader = 1
GOTO GotHeader
END IF
IF _FILEEXISTS("/usr/include/" + x$ + ".h") THEN
headername$ = "/usr/include/" + x$ + ".h"
IF customtypelibrary = 0 THEN sfdeclare = 0
sfheader = 1
GOTO GotHeader
END IF
IF _FILEEXISTS("/usr/include/" + x$ + ".hpp") THEN
headername$ = "/usr/include/" + x$ + ".hpp"
IF customtypelibrary = 0 THEN sfdeclare = 0
sfheader = 1
GOTO GotHeader
END IF
END IF 'Linux
GotHeader:
END IF
ELSE
'dynamic library
IF os$ = "WIN" THEN
'check for .dll (direct)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(libpath$ + x$ + ".dll") THEN
libname$ = libpath$ + x$ + ".dll"
inlinelibname$ = libpath_inline$ + x$ + ".dll"
END IF
END IF
'check for .dll (system32)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(ENVIRON$("SYSTEMROOT") + "\System32\" + libpath$ + x$ + ".dll") THEN
libname$ = libpath$ + x$ + ".dll"
inlinelibname$ = libpath_inline$ + x$ + ".dll"
END IF
END IF
'--------------------------(without path)------------------------------
'check for .dll (direct)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(x$ + ".dll") THEN
libname$ = x$ + ".dll"
inlinelibname$ = x$ + ".dll"
END IF
END IF
'check for .dll (system32)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(ENVIRON$("SYSTEMROOT") + "\System32\" + x$ + ".dll") THEN
libname$ = x$ + ".dll"
inlinelibname$ = x$ + ".dll"
END IF
END IF
END IF 'Windows
IF os$ = "LNX" THEN
'Note: STATIC libraries (.a/.o) cannot be loaded as dynamic objects
IF MacOSX THEN 'dylib support
'check for .dylib (direct)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(libpath$ + "lib" + x$ + "." + libver$ + ".dylib") THEN
libname$ = libpath$ + "lib" + x$ + "." + libver$ + ".dylib"
inlinelibname$ = libpath_inline$ + "lib" + x$ + "." + libver$ + ".dylib"
IF LEFT$(libpath$, 1) <> "/" THEN libname$ = "./" + libname$: inlinelibname$ = "./" + inlinelibname$
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(libpath$ + "lib" + x$ + ".dylib") THEN
libname$ = libpath$ + "lib" + x$ + ".dylib"
inlinelibname$ = libpath_inline$ + "lib" + x$ + ".dylib"
IF LEFT$(libpath$, 1) <> "/" THEN libname$ = "./" + libname$: inlinelibname$ = "./" + inlinelibname$
END IF
END IF
END IF
'check for .so (direct)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(libpath$ + "lib" + x$ + ".so." + libver$) THEN
libname$ = libpath$ + "lib" + x$ + ".so." + libver$
inlinelibname$ = libpath_inline$ + "lib" + x$ + ".so." + libver$
IF LEFT$(libpath$, 1) <> "/" THEN libname$ = "./" + libname$: inlinelibname$ = "./" + inlinelibname$
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS(libpath$ + "lib" + x$ + ".so") THEN
libname$ = libpath$ + "lib" + x$ + ".so"
inlinelibname$ = libpath_inline$ + "lib" + x$ + ".so"
IF LEFT$(libpath$, 1) <> "/" THEN libname$ = "./" + libname$: inlinelibname$ = "./" + inlinelibname$
END IF
END IF
'check for .so (usr/lib64)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib64/" + libpath$ + "lib" + x$ + ".so." + libver$) THEN
libname$ = "/usr/lib64/" + libpath$ + "lib" + x$ + ".so." + libver$
inlinelibname$ = "/usr/lib64/" + libpath_inline$ + "lib" + x$ + ".so." + libver$
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib64/" + libpath$ + "lib" + x$ + ".so") THEN
libname$ = "/usr/lib64/" + libpath$ + "lib" + x$ + ".so"
inlinelibname$ = "/usr/lib64/" + libpath_inline$ + "lib" + x$ + ".so"
END IF
END IF
IF MacOSX THEN 'dylib support
'check for .dylib (usr/lib)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + libpath$ + "lib" + x$ + "." + libver$ + ".dylib") THEN
libname$ = "/usr/lib/" + libpath$ + "lib" + x$ + "." + libver$ + ".dylib"
inlinelibname$ = "/usr/lib/" + libpath_inline$ + "lib" + x$ + "." + libver$ + ".dylib"
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + libpath$ + "lib" + x$ + ".dylib") THEN
libname$ = "/usr/lib/" + libpath$ + "lib" + x$ + ".dylib"
inlinelibname$ = "/usr/lib/" + libpath_inline$ + "lib" + x$ + ".dylib"
END IF
END IF
END IF
'check for .so (usr/lib)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + libpath$ + "lib" + x$ + ".so." + libver$) THEN
libname$ = "/usr/lib/" + libpath$ + "lib" + x$ + ".so." + libver$
inlinelibname$ = "/usr/lib/" + libpath_inline$ + "lib" + x$ + ".so." + libver$
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + libpath$ + "lib" + x$ + ".so") THEN
libname$ = "/usr/lib/" + libpath$ + "lib" + x$ + ".so"
inlinelibname$ = "/usr/lib/" + libpath_inline$ + "lib" + x$ + ".so"
END IF
END IF
'--------------------------(without path)------------------------------
IF MacOSX THEN 'dylib support
'check for .dylib (direct)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("lib" + x$ + "." + libver$ + ".dylib") THEN
libname$ = "lib" + x$ + "." + libver$ + ".dylib"
inlinelibname$ = "lib" + x$ + "." + libver$ + ".dylib"
libname$ = "./" + libname$: inlinelibname$ = "./" + inlinelibname$
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("lib" + x$ + ".dylib") THEN
libname$ = "lib" + x$ + ".dylib"
inlinelibname$ = "lib" + x$ + ".dylib"
libname$ = "./" + libname$: inlinelibname$ = "./" + inlinelibname$
END IF
END IF
END IF
'check for .so (direct)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("lib" + x$ + ".so." + libver$) THEN
libname$ = "lib" + x$ + ".so." + libver$
inlinelibname$ = "lib" + x$ + ".so." + libver$
libname$ = "./" + libname$: inlinelibname$ = "./" + inlinelibname$
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("lib" + x$ + ".so") THEN
libname$ = "lib" + x$ + ".so"
inlinelibname$ = "lib" + x$ + ".so"
libname$ = "./" + libname$: inlinelibname$ = "./" + inlinelibname$
END IF
END IF
'check for .so (usr/lib64)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib64/" + "lib" + x$ + ".so." + libver$) THEN
libname$ = "/usr/lib64/" + "lib" + x$ + ".so." + libver$
inlinelibname$ = "/usr/lib64/" + "lib" + x$ + ".so." + libver$
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib64/" + "lib" + x$ + ".so") THEN
libname$ = "/usr/lib64/" + "lib" + x$ + ".so"
inlinelibname$ = "/usr/lib64/" + "lib" + x$ + ".so"
END IF
END IF
IF MacOSX THEN 'dylib support
'check for .dylib (usr/lib)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + "lib" + x$ + "." + libver$ + ".dylib") THEN
libname$ = "/usr/lib/" + "lib" + x$ + "." + libver$ + ".dylib"
inlinelibname$ = "/usr/lib/" + "lib" + x$ + "." + libver$ + ".dylib"
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + "lib" + x$ + ".dylib") THEN
libname$ = "/usr/lib/" + "lib" + x$ + ".dylib"
inlinelibname$ = "/usr/lib/" + "lib" + x$ + ".dylib"
END IF
END IF
END IF
'check for .so (usr/lib)
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + "lib" + x$ + ".so." + libver$) THEN
libname$ = "/usr/lib/" + "lib" + x$ + ".so." + libver$
inlinelibname$ = "/usr/lib/" + "lib" + x$ + ".so." + libver$
END IF
END IF
IF LEN(libname$) = 0 THEN
IF _FILEEXISTS("/usr/lib/" + "lib" + x$ + ".so") THEN
libname$ = "/usr/lib/" + "lib" + x$ + ".so"
inlinelibname$ = "/usr/lib/" + "lib" + x$ + ".so"
END IF
END IF
END IF 'Linux
END IF 'Dynamic
'library found?
IF dynamiclibrary <> 0 AND LEN(libname$) = 0 THEN a$ = "DYNAMIC LIBRARY not found": GOTO errmes
IF LEN(libname$) = 0 AND LEN(headername$) = 0 THEN a$ = "LIBRARY not found": GOTO errmes
'***actual method should cull redundant header and library entries***
IF dynamiclibrary = 0 THEN
'static
IF LEN(libname$) THEN
IF os$ = "WIN" THEN
IF MID$(libname$, 2, 1) = ":" OR LEFT$(libname$, 1) = "\" THEN
mylib$ = mylib$ + " " + libname$ + " "
ELSE
mylib$ = mylib$ + " ..\..\" + libname$ + " "
END IF
END IF
IF os$ = "LNX" THEN
IF LEFT$(libname$, 1) = "/" THEN
mylib$ = mylib$ + " " + libname$ + " "
ELSE
mylib$ = mylib$ + " ../../" + libname$ + " "
END IF
END IF
END IF
ELSE
'dynamic
IF LEN(headername$) = 0 THEN 'no header
IF subfuncn THEN
f = FREEFILE
OPEN tmpdir$ + "maindata.txt" FOR APPEND AS #f
ELSE
f = 13
END IF
'make name a C-appropriate variable name
'by converting everything except numbers and
'letters to underscores
x2$ = x$
FOR x2 = 1 TO LEN(x2$)
IF ASC(x2$, x2) < 48 THEN ASC(x2$, x2) = 95
IF ASC(x2$, x2) > 57 AND ASC(x2$, x2) < 65 THEN ASC(x2$, x2) = 95
IF ASC(x2$, x2) > 90 AND ASC(x2$, x2) < 97 THEN ASC(x2$, x2) = 95
IF ASC(x2$, x2) > 122 THEN ASC(x2$, x2) = 95
NEXT
DLLname$ = x2$
IF sfdeclare THEN
IF os$ = "WIN" THEN
PRINT #17, "HINSTANCE DLL_" + x2$ + "=NULL;"
PRINT #f, "if (!DLL_" + x2$ + "){"
PRINT #f, "DLL_" + x2$ + "=LoadLibrary(" + CHR$(34) + inlinelibname$ + CHR$(34) + ");"
PRINT #f, "if (!DLL_" + x2$ + ") error(259);"
PRINT #f, "}"
END IF
IF os$ = "LNX" THEN
PRINT #17, "void *DLL_" + x2$ + "=NULL;"
PRINT #f, "if (!DLL_" + x2$ + "){"
PRINT #f, "DLL_" + x2$ + "=dlopen(" + CHR$(34) + inlinelibname$ + CHR$(34) + ",RTLD_LAZY);"
PRINT #f, "if (!DLL_" + x2$ + ") error(259);"
PRINT #f, "}"
END IF
END IF
IF subfuncn THEN CLOSE #f
END IF 'no header
END IF 'dynamiclibrary
IF LEN(headername$) THEN
IF os$ = "WIN" THEN
IF MID$(headername$, 2, 1) = ":" OR LEFT$(headername$, 1) = "\" THEN
PRINT #17, "#include " + CHR$(34) + headername$ + CHR$(34)
ELSE
PRINT #17, "#include " + CHR$(34) + "..\\..\\" + headername$ + CHR$(34)
END IF
END IF
IF os$ = "LNX" THEN
IF LEFT$(headername$, 1) = "/" THEN
PRINT #17, "#include " + CHR$(34) + headername$ + CHR$(34)
ELSE
PRINT #17, "#include " + CHR$(34) + "../../" + headername$ + CHR$(34)
END IF
END IF
END IF
END IF
l$ = l$ + sp + CHR$(34) + autoformat_x$ + CHR$(34)
IF n > x THEN
IF dynamiclibrary THEN a$ = "Cannot specify multiple DYNAMIC LIBRARY names in a single DECLARE statement": GOTO errmes
x = x + 1: x2$ = getelement$(a$, x): IF x2$ <> "," THEN a$ = "Expected ,": GOTO errmes
l$ = l$ + sp2 + ","
x = x + 1: IF x > n THEN a$ = "Expected , ...": GOTO errmes
GOTO addlibrary
END IF
END IF 'n>=x
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishednonexec
END IF
GOTO finishednonexec 'note: no layout required
END IF
END IF
'begin SUB/FUNCTION
IF n >= 1 THEN
dynamiclibrary = 0
declaresubfunc2:
sf = 0
IF firstelement$ = "FUNCTION" THEN sf = 1
IF firstelement$ = "SUB" THEN sf = 2
IF sf THEN
IF declaringlibrary = 0 THEN
IF LEN(subfunc) THEN a$ = "Expected END SUB/FUNCTION before " + firstelement$: GOTO errmes
END IF
IF n = 1 THEN a$ = "Expected name after SUB/FUNCTION": GOTO errmes
e$ = getelement$(ca$, 2)
symbol$ = removesymbol$(e$) '$,%,etc.
IF Error_Happened THEN GOTO errmes
IF sf = 2 AND symbol$ <> "" THEN a$ = "Type symbols after a SUB name are invalid": GOTO errmes
try = findid(e$)
IF Error_Happened THEN GOTO errmes
DO WHILE try
IF id.subfunc = sf THEN GOTO createsf
IF try = 2 THEN findanotherid = 1: try = findid(e$) ELSE try = 0
IF Error_Happened THEN GOTO errmes
LOOP
a$ = "Unregistered SUB/FUNCTION encountered": GOTO errmes
createsf:
IF UCASE$(e$) = "_GL" THEN e$ = "_GL"
l$ = firstelement$ + sp + e$ + symbol$
id2 = id
targetid = currentid
'check for ALIAS
aliasname$ = RTRIM$(id.cn)
IF n > 2 THEN
ee$ = getelement$(a$, 3)
IF ee$ = "ALIAS" THEN
IF declaringlibrary = 0 THEN a$ = "ALIAS can only be used with DECLARE LIBRARY": GOTO errmes
IF n = 3 THEN a$ = "Expected ALIAS name-in-library": GOTO errmes
ee$ = getelement$(ca$, 4)
'strip string content (optional)
IF LEFT$(ee$, 1) = CHR$(34) THEN
ee$ = RIGHT$(ee$, LEN(ee$) - 1)
x = INSTR(ee$, CHR$(34)): IF x = 0 THEN a$ = "Expected " + CHR$(34): GOTO errmes
ee$ = LEFT$(ee$, x - 1)
l$ = l$ + sp + "ALIAS" + sp + CHR_QUOTE + ee$ + CHR_QUOTE
ELSE
l$ = l$ + sp + "ALIAS" + sp + ee$
END IF
'strip fix046$ (created by unquoted periods)
DO WHILE INSTR(ee$, fix046$)
x = INSTR(ee$, fix046$): ee$ = LEFT$(ee$, x - 1) + "." + RIGHT$(ee$, LEN(ee$) - x + 1 - LEN(fix046$))
LOOP
aliasname$ = ee$
'remove ALIAS section from line
IF n <= 4 THEN a$ = getelements(a$, 1, 2)
IF n >= 5 THEN a$ = getelements(a$, 1, 2) + sp + getelements(a$, 5, n)
IF n <= 4 THEN ca$ = getelements(ca$, 1, 2)
IF n >= 5 THEN ca$ = getelements(ca$, 1, 2) + sp + getelements(ca$, 5, n)
n = n - 2
END IF
END IF
IF declaringlibrary THEN GOTO declibjmp1
IF closedmain = 0 THEN closemain
'check for open controls (copy #2)
IF controllevel <> 0 AND controltype(controllevel) <> 6 THEN 'It's OK for subs to be inside $IF blocks
x = controltype(controllevel)
IF x = 1 THEN a$ = "IF without END IF"
IF x = 2 THEN a$ = "FOR without NEXT"
IF x = 3 OR x = 4 THEN a$ = "DO without LOOP"
IF x = 5 THEN a$ = "WHILE without WEND"
IF (x >= 10 AND x <= 17) OR x = 18 OR x = 19 THEN a$ = "SELECT CASE without END SELECT"
linenumber = controlref(controllevel)
GOTO errmes
END IF
IF ideindentsubs THEN
controllevel = controllevel + 1
controltype(controllevel) = 32
END IF
subfunc = RTRIM$(id.callname) 'SUB_..."
subfuncn = subfuncn + 1
subfuncid = targetid
subfuncret$ = ""
CLOSE #13: OPEN tmpdir$ + "data" + str2$(subfuncn) + ".txt" FOR OUTPUT AS #13
CLOSE #19: OPEN tmpdir$ + "free" + str2$(subfuncn) + ".txt" FOR OUTPUT AS #19
CLOSE #15: OPEN tmpdir$ + "ret" + str2$(subfuncn) + ".txt" FOR OUTPUT AS #15
PRINT #15, "if (next_return_point){"
PRINT #15, "next_return_point--;"
PRINT #15, "switch(return_point[next_return_point]){"
PRINT #15, "case 0:"
PRINT #15, "error(3);" 'return without gosub!
PRINT #15, "break;"
defdatahandle = 13
declibjmp1:
IF declaringlibrary THEN
IF sfdeclare = 0 AND indirectlibrary = 0 THEN
CLOSE #17
OPEN tmpdir$ + "regsf_ignore.txt" FOR OUTPUT AS #17
END IF
IF sfdeclare = 1 AND customtypelibrary = 0 AND dynamiclibrary = 0 AND indirectlibrary = 0 THEN
PRINT #17, "#include " + CHR$(34) + "externtype" + str2(ResolveStaticFunctions + 1) + ".txt" + CHR$(34)
fh = FREEFILE: OPEN tmpdir$ + "externtype" + str2(ResolveStaticFunctions + 1) + ".txt" FOR OUTPUT AS #fh: CLOSE #fh
END IF
END IF
IF sf = 1 THEN
rettyp = id.ret
t$ = typ2ctyp$(id.ret, "")
IF Error_Happened THEN GOTO errmes
IF t$ = "qbs" THEN t$ = "qbs*"
IF declaringlibrary THEN
IF rettyp AND ISSTRING THEN
t$ = "char*"
END IF
END IF
IF declaringlibrary <> 0 AND dynamiclibrary <> 0 THEN
IF os$ = "WIN" THEN
PRINT #17, "typedef " + t$ + " (CALLBACK* DLLCALL_" + removecast$(RTRIM$(id.callname)) + ")(";
END IF
IF os$ = "LNX" THEN
PRINT #17, "typedef " + t$ + " (*DLLCALL_" + removecast$(RTRIM$(id.callname)) + ")(";
END IF
ELSEIF declaringlibrary <> 0 AND customtypelibrary <> 0 THEN
PRINT #17, "typedef " + t$ + " CUSTOMCALL_" + removecast$(RTRIM$(id.callname)) + "(";
ELSE
PRINT #17, t$ + " " + removecast$(RTRIM$(id.callname)) + "(";
END IF
IF declaringlibrary THEN GOTO declibjmp2
PRINT #12, t$ + " " + removecast$(RTRIM$(id.callname)) + "(";
'create variable to return result
'if type wasn't specified, define it
IF symbol$ = "" THEN
a = ASC(UCASE$(e$)): IF a = 95 THEN a = 91
a = a - 64 'so A=1, Z=27 and _=28
symbol$ = defineextaz(a)
END IF
reginternalvariable = 1
ignore = dim2(e$, symbol$, 0, "")
IF Error_Happened THEN GOTO errmes
reginternalvariable = 0
'the following line stops the return variable from being free'd before being returned
CLOSE #19: OPEN tmpdir$ + "free" + str2$(subfuncn) + ".txt" FOR OUTPUT AS #19
'create return
IF (rettyp AND ISSTRING) THEN
r$ = refer$(str2$(currentid), id.t, 1)
IF Error_Happened THEN GOTO errmes
subfuncret$ = subfuncret$ + "qbs_maketmp(" + r$ + ");"
subfuncret$ = subfuncret$ + "return " + r$ + ";"
ELSE
r$ = refer$(str2$(currentid), id.t, 0)
IF Error_Happened THEN GOTO errmes
subfuncret$ = "return " + r$ + ";"
END IF
ELSE
IF declaringlibrary <> 0 AND dynamiclibrary <> 0 THEN
IF os$ = "WIN" THEN
PRINT #17, "typedef void (CALLBACK* DLLCALL_" + removecast$(RTRIM$(id.callname)) + ")(";
END IF
IF os$ = "LNX" THEN
PRINT #17, "typedef void (*DLLCALL_" + removecast$(RTRIM$(id.callname)) + ")(";
END IF
ELSEIF declaringlibrary <> 0 AND customtypelibrary <> 0 THEN
PRINT #17, "typedef void CUSTOMCALL_" + removecast$(RTRIM$(id.callname)) + "(";
ELSE
PRINT #17, "void " + removecast$(RTRIM$(id.callname)) + "(";
END IF
IF declaringlibrary THEN GOTO declibjmp2
PRINT #12, "void " + removecast$(RTRIM$(id.callname)) + "(";
END IF
declibjmp2:
addstatic2layout = 0
staticsf = 0
e$ = getelement$(a$, n)
IF e$ = "STATIC" THEN
IF declaringlibrary THEN a$ = "STATIC cannot be used in a library declaration": GOTO errmes
addstatic2layout = 1
staticsf = 2
a$ = LEFT$(a$, LEN(a$) - 7): n = n - 1 'remove STATIC
END IF
'check items to pass
params = 0
AllowLocalName = 1
IF n > 2 THEN
e$ = getelement$(a$, 3)
IF e$ <> "(" THEN a$ = "Expected (": GOTO errmes
e$ = getelement$(a$, n)
IF e$ <> ")" THEN a$ = "Expected )": GOTO errmes
l$ = l$ + sp + "("
IF n = 4 THEN GOTO nosfparams2
IF n < 4 THEN a$ = "Expected ( ... )": GOTO errmes
B = 0
a2$ = ""
FOR i = 4 TO n - 1
e$ = getelement$(ca$, i)
IF e$ = "(" THEN B = B + 1
IF e$ = ")" THEN B = B - 1
IF e$ = "," AND B = 0 THEN
IF i = n - 1 THEN a$ = "Expected , ... )": GOTO errmes
getlastparam2:
IF a2$ = "" THEN a$ = "Expected ... ,": GOTO errmes
a2$ = LEFT$(a2$, LEN(a2$) - 1)
'possible format: [BYVAL]a[%][(1)][AS][type]
params = params + 1
glinkid = targetid
glinkarg = params
IF params > 1 THEN
PRINT #17, ",";
IF declaringlibrary = 0 THEN
PRINT #12, ",";
END IF
END IF
n2 = numelements(a2$)
array = 0
t2$ = ""
e$ = getelement$(a2$, 1)
byvalue = 0
IF UCASE$(e$) = "BYVAL" THEN
IF declaringlibrary = 0 THEN a$ = "BYVAL can currently only be used with DECLARE LIBRARY": GOTO errmes
byvalue = 1: a2$ = RIGHT$(a2$, LEN(a2$) - 6)
IF RIGHT$(l$, 1) = "(" THEN l$ = l$ + sp2 + "BYVAL" ELSE l$ = l$ + sp + "BYVAL"
n2 = numelements(a2$): e$ = getelement$(a2$, 1)
END IF
IF RIGHT$(l$, 1) = "(" THEN l$ = l$ + sp2 + e$ ELSE l$ = l$ + sp + e$
n2$ = e$
dimmethod = 0
symbol2$ = removesymbol$(n2$)
IF validname(n2$) = 0 THEN a$ = "Invalid name": GOTO errmes
IF Error_Happened THEN GOTO errmes
IF symbol2$ <> "" THEN dimmethod = 1
m = 0
FOR i2 = 2 TO n2
e$ = getelement$(a2$, i2)
IF e$ = "(" THEN
IF m <> 0 THEN a$ = "Syntax error": GOTO errmes
m = 1
array = 1
l$ = l$ + sp2 + "("
GOTO gotaa2
END IF
IF e$ = ")" THEN
IF m <> 1 THEN a$ = "Syntax error": GOTO errmes
m = 2
l$ = l$ + sp2 + ")"
GOTO gotaa2
END IF
IF UCASE$(e$) = "AS" THEN
IF m <> 0 AND m <> 2 THEN a$ = "Syntax error": GOTO errmes
m = 3
l$ = l$ + sp + "AS"
GOTO gotaa2
END IF
IF m = 1 THEN l$ = l$ + sp + e$: GOTO gotaa2 'ignore contents of option bracket telling how many dimensions (add to layout as is)
IF m <> 3 THEN a$ = "Syntax error": GOTO errmes
IF t2$ = "" THEN t2$ = e$ ELSE t2$ = t2$ + " " + e$
gotaa2:
NEXT i2
IF symbol2$ <> "" AND t2$ <> "" THEN a$ = "Syntax error": GOTO errmes
IF LEN(t2$) THEN 'add type-name after AS
t2$ = UCASE$(t2$)
t3$ = t2$
typ = typname2typ(t3$)
IF Error_Happened THEN GOTO errmes
IF typ = 0 THEN a$ = "Undefined type": GOTO errmes
IF typ AND ISUDT THEN
t3$ = RTRIM$(udtxcname(typ AND 511))
ELSE
FOR t3i = 1 TO LEN(t3i)
IF ASC(t3$, t3i) = 32 THEN ASC(t3$, t3i) = ASC(sp)
NEXT
END IF
l$ = l$ + sp + t3$
END IF
IF t2$ = "" THEN t2$ = symbol2$
IF t2$ = "" THEN
IF LEFT$(n2$, 1) = "_" THEN v = 27 ELSE v = ASC(UCASE$(n2$)) - 64
t2$ = defineaz(v)
dimmethod = 1
END IF
IF array = 1 THEN
IF declaringlibrary THEN a$ = "Arrays cannot be passed to a library": GOTO errmes
dimsfarray = 1
'note: id2.nele is currently 0
nelereq = ASC(MID$(id2.nelereq, params, 1))
IF nelereq THEN
nele = nelereq
MID$(id2.nele, params, 1) = CHR$(nele)
ids(targetid) = id2
ignore = dim2(n2$, t2$, dimmethod, str2$(nele))
IF Error_Happened THEN GOTO errmes
ELSE
nele = 1
MID$(id2.nele, params, 1) = CHR$(nele)
ids(targetid) = id2
ignore = dim2(n2$, t2$, dimmethod, "?")
IF Error_Happened THEN GOTO errmes
END IF
dimsfarray = 0
r$ = refer$(str2$(currentid), id.t, 1)
IF Error_Happened THEN GOTO errmes
PRINT #17, "ptrszint*" + r$;
PRINT #12, "ptrszint*" + r$;
ELSE
IF declaringlibrary THEN
'is it a udt?
FOR xx = 1 TO lasttype
IF t2$ = RTRIM$(udtxname(xx)) THEN
PRINT #17, "void*"
GOTO decudt
END IF
NEXT
t$ = typ2ctyp$(0, t2$)
IF Error_Happened THEN GOTO errmes
IF t$ = "qbs" THEN
t$ = "char*"
IF byvalue = 1 THEN a$ = "STRINGs cannot be passed using BYVAL": GOTO errmes
byvalue = 1 'use t$ as is
END IF
IF byvalue THEN PRINT #17, t$; ELSE PRINT #17, t$ + "*";
decudt:
GOTO declibjmp3
END IF
dimsfarray = 1
ignore = dim2(n2$, t2$, dimmethod, "")
IF Error_Happened THEN GOTO errmes
dimsfarray = 0
t$ = ""
typ = id.t 'the typ of the ID created by dim2
t$ = typ2ctyp$(typ, "")
IF Error_Happened THEN GOTO errmes
IF t$ = "" THEN a$ = "Cannot find C type to return array data": GOTO errmes
'searchpoint
'get the name of the variable
r$ = refer$(str2$(currentid), id.t, 1)
IF Error_Happened THEN GOTO errmes
PRINT #17, t$ + "*" + r$;
PRINT #12, t$ + "*" + r$;
IF t$ = "qbs" THEN
u$ = str2$(uniquenumber)
PRINT #13, "qbs*oldstr" + u$ + "=NULL;"
PRINT #13, "if(" + r$ + "->tmp||" + r$ + "->fixed||" + r$ + "->readonly){"
PRINT #13, "oldstr" + u$ + "=" + r$ + ";"
PRINT #13, "if (oldstr" + u$ + "->cmem_descriptor){"
PRINT #13, r$ + "=qbs_new_cmem(oldstr" + u$ + "->len,0);"
PRINT #13, "}else{"
PRINT #13, r$ + "=qbs_new(oldstr" + u$ + "->len,0);"
PRINT #13, "}"
PRINT #13, "memcpy(" + r$ + "->chr,oldstr" + u$ + "->chr,oldstr" + u$ + "->len);"
PRINT #13, "}"
PRINT #19, "if(oldstr" + u$ + "){"
PRINT #19, "if(oldstr" + u$ + "->fixed)qbs_set(oldstr" + u$ + "," + r$ + ");"
PRINT #19, "qbs_free(" + r$ + ");"
PRINT #19, "}"
END IF
END IF
declibjmp3:
IF i <> n - 1 THEN l$ = l$ + sp2 + ","
a2$ = ""
ELSE
a2$ = a2$ + e$ + sp
IF i = n - 1 THEN GOTO getlastparam2
END IF
NEXT i
nosfparams2:
l$ = l$ + sp2 + ")"
END IF 'n>2
AllowLocalName = 0
IF addstatic2layout THEN l$ = l$ + sp + "STATIC"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
PRINT #17, ");"
IF declaringlibrary THEN GOTO declibjmp4
PRINT #12, "){"
PRINT #12, "qbs *tqbs;"
PRINT #12, "ptrszint tmp_long;"
PRINT #12, "int32 tmp_fileno;"
PRINT #12, "uint32 qbs_tmp_base=qbs_tmp_list_nexti;"
PRINT #12, "uint8 *tmp_mem_static_pointer=mem_static_pointer;"
PRINT #12, "uint32 tmp_cmem_sp=cmem_sp;"
PRINT #12, "#include " + CHR$(34) + "data" + str2$(subfuncn) + ".txt" + CHR$(34)
'create new _MEM lock for this scope
PRINT #12, "mem_lock *sf_mem_lock;" 'MUST not be static for recursion reasons
PRINT #12, "new_mem_lock();"
PRINT #12, "sf_mem_lock=mem_lock_tmp;"
PRINT #12, "sf_mem_lock->type=3;"
PRINT #12, "if (new_error) goto exit_subfunc;"
'statementn = statementn + 1
'if nochecks=0 then PRINT #12, "S_" + str2$(statementn) + ":;"
dimstatic = staticsf
declibjmp4:
IF declaringlibrary THEN
IF customtypelibrary THEN
callname$ = removecast$(RTRIM$(id2.callname))
PRINT #17, "CUSTOMCALL_" + callname$ + " *" + callname$ + "=NULL;"
IF subfuncn THEN
f = FREEFILE
OPEN tmpdir$ + "maindata.txt" FOR APPEND AS #f
ELSE
f = 13
END IF
PRINT #f, callname$ + "=(CUSTOMCALL_" + callname$ + "*)&" + aliasname$ + ";"
IF subfuncn THEN CLOSE #f
'if no header exists to make the external function available, the function definition must be found
IF sfheader = 0 AND sfdeclare <> 0 THEN
ResolveStaticFunctions = ResolveStaticFunctions + 1
'expand array if necessary
IF ResolveStaticFunctions > UBOUND(ResolveStaticFunction_Name) THEN
REDIM _PRESERVE ResolveStaticFunction_Name(1 TO ResolveStaticFunctions + 100) AS STRING
REDIM _PRESERVE ResolveStaticFunction_File(1 TO ResolveStaticFunctions + 100) AS STRING
REDIM _PRESERVE ResolveStaticFunction_Method(1 TO ResolveStaticFunctions + 100) AS LONG
END IF
ResolveStaticFunction_File(ResolveStaticFunctions) = libname$
ResolveStaticFunction_Name(ResolveStaticFunctions) = aliasname$
ResolveStaticFunction_Method(ResolveStaticFunctions) = 1
END IF 'sfheader=0
END IF
IF dynamiclibrary THEN
IF sfdeclare THEN
PRINT #17, "DLLCALL_" + removecast$(RTRIM$(id2.callname)) + " " + removecast$(RTRIM$(id2.callname)) + "=NULL;"
IF subfuncn THEN
f = FREEFILE
OPEN tmpdir$ + "maindata.txt" FOR APPEND AS #f
ELSE
f = 13
END IF
PRINT #f, "if (!" + removecast$(RTRIM$(id2.callname)) + "){"
IF os$ = "WIN" THEN
PRINT #f, removecast$(RTRIM$(id2.callname)) + "=(DLLCALL_" + removecast$(RTRIM$(id2.callname)) + ")GetProcAddress(DLL_" + DLLname$ + "," + CHR$(34) + aliasname$ + CHR$(34) + ");"
PRINT #f, "if (!" + removecast$(RTRIM$(id2.callname)) + ") error(260);"
END IF
IF os$ = "LNX" THEN
PRINT #f, removecast$(RTRIM$(id2.callname)) + "=(DLLCALL_" + removecast$(RTRIM$(id2.callname)) + ")dlsym(DLL_" + DLLname$ + "," + CHR$(34) + aliasname$ + CHR$(34) + ");"
PRINT #f, "if (dlerror()) error(260);"
END IF
PRINT #f, "}"
IF subfuncn THEN CLOSE #f
END IF 'sfdeclare
END IF 'dynamic
IF sfdeclare = 1 AND customtypelibrary = 0 AND dynamiclibrary = 0 AND indirectlibrary = 0 THEN
ResolveStaticFunctions = ResolveStaticFunctions + 1
'expand array if necessary
IF ResolveStaticFunctions > UBOUND(ResolveStaticFunction_Name) THEN
REDIM _PRESERVE ResolveStaticFunction_Name(1 TO ResolveStaticFunctions + 100) AS STRING
REDIM _PRESERVE ResolveStaticFunction_File(1 TO ResolveStaticFunctions + 100) AS STRING
REDIM _PRESERVE ResolveStaticFunction_Method(1 TO ResolveStaticFunctions + 100) AS LONG
END IF
ResolveStaticFunction_File(ResolveStaticFunctions) = libname$
ResolveStaticFunction_Name(ResolveStaticFunctions) = aliasname$
ResolveStaticFunction_Method(ResolveStaticFunctions) = 2
END IF
IF sfdeclare = 0 AND indirectlibrary = 0 THEN
CLOSE #17
OPEN tmpdir$ + "regsf.txt" FOR APPEND AS #17
END IF
END IF 'declaring library
GOTO finishednonexec
END IF
END IF
'END SUB/FUNCTION
IF n = 2 THEN
IF firstelement$ = "END" THEN
sf = 0
IF secondelement$ = "FUNCTION" THEN sf = 1
IF secondelement$ = "SUB" THEN sf = 2
IF sf THEN
IF LEN(subfunc) = 0 THEN a$ = "END " + secondelement$ + " without " + secondelement$: GOTO errmes
'check for open controls (copy #3)
IF controllevel <> 0 AND controltype(controllevel) <> 6 AND controltype(controllevel) <> 32 THEN 'It's OK for subs to be inside $IF blocks
x = controltype(controllevel)
IF x = 1 THEN a$ = "IF without END IF"
IF x = 2 THEN a$ = "FOR without NEXT"
IF x = 3 OR x = 4 THEN a$ = "DO without LOOP"
IF x = 5 THEN a$ = "WHILE without WEND"
IF (x >= 10 AND x <= 17) OR x = 18 OR x = 19 THEN a$ = "SELECT CASE without END SELECT"
linenumber = controlref(controllevel)
GOTO errmes
END IF
IF controltype(controllevel) = 32 AND ideindentsubs THEN
controltype(controllevel) = 0
controllevel = controllevel - 1
END IF
l$ = firstelement$ + sp + secondelement$
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
staticarraylist = "": staticarraylistn = 0 'remove previously listed arrays
dimstatic = 0
PRINT #12, "exit_subfunc:;"
'release _MEM lock for this scope
PRINT #12, "free_mem_lock(sf_mem_lock);"
PRINT #12, "#include " + CHR$(34) + "free" + str2$(subfuncn) + ".txt" + CHR$(34)
PRINT #12, "if ((tmp_mem_static_pointer>=mem_static)&&(tmp_mem_static_pointer<=mem_static_limit)) mem_static_pointer=tmp_mem_static_pointer; else mem_static_pointer=mem_static;"
PRINT #12, "cmem_sp=tmp_cmem_sp;"
IF subfuncret$ <> "" THEN PRINT #12, subfuncret$
PRINT #12, "}" 'skeleton sub
'ret???.txt
PRINT #15, "}" 'end case
PRINT #15, "}"
PRINT #15, "error(3);" 'no valid return possible
subfunc = ""
'unshare temp. shared variables
FOR i = 1 TO idn
IF ids(i).share AND 2 THEN ids(i).share = ids(i).share - 2
NEXT
FOR i = 1 TO revertmaymusthaven
x = revertmaymusthave(i)
SWAP ids(x).musthave, ids(x).mayhave
NEXT
revertmaymusthaven = 0
'undeclare constants in sub/function's scope
'constlast = constlastshared
GOTO finishednonexec
END IF
END IF
END IF
IF n >= 1 AND firstelement$ = "CONST" THEN
l$ = "CONST"
'DEF... do not change type, the expression is stored in a suitable type
'based on its value if type isn't forced/specified
IF n < 3 THEN a$ = "Expected CONST name = value/expression": GOTO errmes
i = 2
constdefpending:
pending = 0
n$ = getelement$(ca$, i): i = i + 1
l$ = l$ + sp + n$ + sp + "="
typeoverride = 0
s$ = removesymbol$(n$)
IF Error_Happened THEN GOTO errmes
IF s$ <> "" THEN
typeoverride = typname2typ(s$)
IF Error_Happened THEN GOTO errmes
IF typeoverride AND ISFIXEDLENGTH THEN a$ = "Invalid constant type": GOTO errmes
IF typeoverride = 0 THEN a$ = "Invalid constant type": GOTO errmes
END IF
IF getelement$(a$, i) <> "=" THEN a$ = "Expected =": GOTO errmes
i = i + 1
'get expression
e$ = ""
B = 0
FOR i2 = i TO n
e2$ = getelement$(ca$, i2)
IF e2$ = "(" THEN B = B + 1
IF e2$ = ")" THEN B = B - 1
IF e2$ = "," AND B = 0 THEN
pending = 1
i = i2 + 1
IF i > n - 2 THEN a$ = "Expected CONST ... , name = value/expression": GOTO errmes
EXIT FOR
END IF
IF LEN(e$) = 0 THEN e$ = e2$ ELSE e$ = e$ + sp + e2$
NEXT
e$ = fixoperationorder(e$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp + tlayout$
'Note: Actual CONST definition handled in prepass
'Set CONST as defined
hashname$ = n$
hashchkflags = HASHFLAG_CONSTANT
hashres = HashFind(hashname$, hashchkflags, hashresflags, hashresref)
DO WHILE hashres
IF constsubfunc(hashresref) = subfuncn THEN constdefined(hashresref) = 1: EXIT DO
IF hashres <> 1 THEN hashres = HashFindCont(hashresflags, hashresref) ELSE hashres = 0
LOOP
IF pending THEN l$ = l$ + sp2 + ",": GOTO constdefpending
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishednonexec
END IF
predefine:
IF n >= 2 THEN
asreq = 0
IF firstelement$ = "DEFINT" THEN a$ = a$ + sp + "AS" + sp + "INTEGER": n = n + 2: GOTO definetype
IF firstelement$ = "DEFLNG" THEN a$ = a$ + sp + "AS" + sp + "LONG": n = n + 2: GOTO definetype
IF firstelement$ = "DEFSNG" THEN a$ = a$ + sp + "AS" + sp + "SINGLE": n = n + 2: GOTO definetype
IF firstelement$ = "DEFDBL" THEN a$ = a$ + sp + "AS" + sp + "DOUBLE": n = n + 2: GOTO definetype
IF firstelement$ = "DEFSTR" THEN a$ = a$ + sp + "AS" + sp + "STRING": n = n + 2: GOTO definetype
IF firstelement$ = "_DEFINE" THEN
asreq = 1
definetype:
l$ = firstelement$
'get type from rhs
typ$ = ""
typ2$ = ""
t$ = ""
FOR i = n TO 2 STEP -1
t$ = getelement$(a$, i)
IF t$ = "AS" THEN EXIT FOR
typ$ = t$ + " " + typ$
typ2$ = t$ + sp + typ2$
NEXT
typ$ = RTRIM$(typ$)
IF t$ <> "AS" THEN a$ = "_DEFINE: Expected ... AS ...": GOTO errmes
IF i = n OR i = 2 THEN a$ = "_DEFINE: Expected ... AS ...": GOTO errmes
n = i - 1
'the data is from element 2 to element n
i = 2 - 1
definenext:
'expects an alphabet letter or underscore
i = i + 1: e$ = getelement$(a$, i): E = ASC(UCASE$(e$))
IF LEN(e$) > 1 THEN a$ = "_DEFINE: Expected an alphabet letter or the underscore character (_)": GOTO errmes
IF E <> 95 AND (E > 90 OR E < 65) THEN a$ = "_DEFINE: Expected an alphabet letter or the underscore character (_)": GOTO errmes
IF E = 95 THEN E = 27 ELSE E = E - 64
defineaz(E) = typ$
defineextaz(E) = type2symbol(typ$)
IF Error_Happened THEN GOTO errmes
firste = E
l$ = l$ + sp + e$
IF i = n THEN
IF predefining = 1 THEN GOTO predefined
IF asreq THEN l$ = l$ + sp + "AS" + sp + typ2$
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishednonexec
END IF
'expects "-" or ","
i = i + 1: e$ = getelement$(a$, i)
IF e$ <> "-" AND e$ <> "," THEN a$ = "_DEFINE: Expected - or ,": GOTO errmes
IF e$ = "-" THEN
l$ = l$ + sp2 + "-"
IF i = n THEN a$ = "_DEFINE: Syntax incomplete": GOTO errmes
'expects an alphabet letter or underscore
i = i + 1: e$ = getelement$(a$, i): E = ASC(UCASE$(e$))
IF LEN(e$) > 1 THEN a$ = "_DEFINE: Expected an alphabet letter or the underscore character (_)": GOTO errmes
IF E <> 95 AND (E > 90 OR E < 65) THEN a$ = "_DEFINE: Expected an alphabet letter or the underscore character (_)": GOTO errmes
IF E = 95 THEN E = 27 ELSE E = E - 64
IF firste > E THEN SWAP E, firste
FOR e2 = firste TO E
defineaz(e2) = typ$
defineextaz(e2) = type2symbol(typ$)
IF Error_Happened THEN GOTO errmes
NEXT
l$ = l$ + sp2 + e$
IF i = n THEN
IF predefining = 1 THEN GOTO predefined
IF asreq THEN l$ = l$ + sp + "AS" + sp + typ2$
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishednonexec
END IF
'expects ","
i = i + 1: e$ = getelement$(a$, i)
IF e$ <> "," THEN a$ = "_DEFINE: Expected ,": GOTO errmes
END IF
l$ = l$ + sp2 + ","
GOTO definenext
END IF '_DEFINE
END IF '2
IF predefining = 1 THEN GOTO predefined
IF closedmain <> 0 AND subfunc = "" THEN a$ = "Statement cannot be placed between SUB/FUNCTIONs": GOTO errmes
'executable section:
statementn = statementn + 1
IF n >= 1 THEN
IF firstelement$ = "NEXT" THEN
l$ = "NEXT"
IF n = 1 THEN GOTO simplenext
v$ = ""
FOR i = 2 TO n
a2$ = getelement(ca$, i)
IF a2$ = "," THEN
lastnextele:
e$ = fixoperationorder(v$)
IF Error_Happened THEN GOTO errmes
IF LEN(l$) = 4 THEN l$ = l$ + sp + tlayout$ ELSE l$ = l$ + sp2 + "," + sp + tlayout$
e$ = evaluate(e$, typ)
IF Error_Happened THEN GOTO errmes
IF (typ AND ISREFERENCE) THEN
getid VAL(e$)
IF Error_Happened THEN GOTO errmes
IF (id.t AND ISPOINTER) THEN
IF (id.t AND ISSTRING) = 0 THEN
IF (id.t AND ISOFFSETINBITS) = 0 THEN
IF (id.t AND ISARRAY) = 0 THEN
GOTO fornextfoundvar2
END IF
END IF
END IF
END IF
END IF
a$ = "Unsupported variable after NEXT": GOTO errmes
fornextfoundvar2:
simplenext:
IF controltype(controllevel) <> 2 THEN a$ = "NEXT without FOR": GOTO errmes
IF n <> 1 AND controlvalue(controllevel) <> currentid THEN a$ = "Incorrect variable after NEXT": GOTO errmes
PRINT #12, "fornext_continue_" + str2$(controlid(controllevel)) + ":;"
PRINT #12, "}"
PRINT #12, "fornext_exit_" + str2$(controlid(controllevel)) + ":;"
controllevel = controllevel - 1
IF n = 1 THEN EXIT FOR
v$ = ""
ELSE
IF LEN(v$) THEN v$ = v$ + sp + a2$ ELSE v$ = a2$
IF i = n THEN GOTO lastnextele
END IF
NEXT
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishednonexec '***no error causing code, event checking done by FOR***
END IF
END IF
IF n >= 1 THEN
IF firstelement$ = "WHILE" THEN
IF NoChecks = 0 THEN PRINT #12, "S_" + str2$(statementn) + ":;": dynscope = 1
controllevel = controllevel + 1
controlref(controllevel) = linenumber
controltype(controllevel) = 5
controlid(controllevel) = uniquenumber
IF n >= 2 THEN
e$ = fixoperationorder(getelements$(ca$, 2, n))
IF Error_Happened THEN GOTO errmes
l$ = "WHILE" + sp + tlayout$
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
e$ = evaluate(e$, typ)
IF Error_Happened THEN GOTO errmes
IF (typ AND ISREFERENCE) THEN e$ = refer$(e$, typ, 0)
IF Error_Happened THEN GOTO errmes
IF stringprocessinghappened THEN e$ = cleanupstringprocessingcall$ + e$ + ")"
IF (typ AND ISSTRING) THEN a$ = "WHILE ERROR! Cannot accept a STRING type.": GOTO errmes
PRINT #12, "while((" + e$ + ")||new_error){"
ELSE
a$ = "WHILE ERROR! Expected expression after WHILE.": GOTO errmes
END IF
GOTO finishedline
END IF
END IF
IF n = 1 THEN
IF firstelement$ = "WEND" THEN
IF controltype(controllevel) <> 5 THEN a$ = "WEND without WHILE": GOTO errmes
PRINT #12, "ww_continue_" + str2$(controlid(controllevel)) + ":;"
PRINT #12, "}"
PRINT #12, "ww_exit_" + str2$(controlid(controllevel)) + ":;"
controllevel = controllevel - 1
l$ = "WEND"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishednonexec '***no error causing code, event checking done by WHILE***
END IF
END IF
IF n >= 1 THEN
IF firstelement$ = "DO" THEN
IF NoChecks = 0 THEN PRINT #12, "S_" + str2$(statementn) + ":;": dynscope = 1
controllevel = controllevel + 1
controlref(controllevel) = linenumber
l$ = "DO"
IF n >= 2 THEN
whileuntil = 0
IF secondelement$ = "WHILE" THEN whileuntil = 1: l$ = l$ + sp + "WHILE"
IF secondelement$ = "UNTIL" THEN whileuntil = 2: l$ = l$ + sp + "UNTIL"
IF whileuntil = 0 THEN a$ = "DO ERROR! Expected WHILE or UNTIL after DO.": GOTO errmes
IF whileuntil > 0 AND n = 2 THEN a$ = "Condition expected after WHILE/UNTIL": GOTO errmes
e$ = fixoperationorder(getelements$(ca$, 3, n))
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp + tlayout$
e$ = evaluate(e$, typ)
IF Error_Happened THEN GOTO errmes
IF (typ AND ISREFERENCE) THEN e$ = refer$(e$, typ, 0)
IF Error_Happened THEN GOTO errmes
IF stringprocessinghappened THEN e$ = cleanupstringprocessingcall$ + e$ + ")"
IF (typ AND ISSTRING) THEN a$ = "DO ERROR! Cannot accept a STRING type.": GOTO errmes
IF whileuntil = 1 THEN PRINT #12, "while((" + e$ + ")||new_error){" ELSE PRINT #12, "while((!(" + e$ + "))||new_error){"
controltype(controllevel) = 4
ELSE
controltype(controllevel) = 3
PRINT #12, "do{"
END IF
controlid(controllevel) = uniquenumber
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
END IF
IF n >= 1 THEN
IF firstelement$ = "LOOP" THEN
l$ = "LOOP"
IF controltype(controllevel) <> 3 AND controltype(controllevel) <> 4 THEN a$ = "PROGRAM FLOW ERROR!": GOTO errmes
IF n >= 2 THEN
IF NoChecks = 0 THEN PRINT #12, "S_" + str2$(statementn) + ":;": dynscope = 1
IF controltype(controllevel) = 4 THEN a$ = "PROGRAM FLOW ERROR!": GOTO errmes
whileuntil = 0
IF secondelement$ = "WHILE" THEN whileuntil = 1: l$ = l$ + sp + "WHILE"
IF secondelement$ = "UNTIL" THEN whileuntil = 2: l$ = l$ + sp + "UNTIL"
IF whileuntil = 0 THEN a$ = "LOOP ERROR! Expected WHILE or UNTIL after LOOP.": GOTO errmes
IF whileuntil > 0 AND n = 2 THEN a$ = "Condition expected after WHILE/UNTIL": GOTO errmes
e$ = fixoperationorder(getelements$(ca$, 3, n))
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp + tlayout$
e$ = evaluate(e$, typ)
IF Error_Happened THEN GOTO errmes
IF (typ AND ISREFERENCE) THEN e$ = refer$(e$, typ, 0)
IF Error_Happened THEN GOTO errmes
IF stringprocessinghappened THEN e$ = cleanupstringprocessingcall$ + e$ + ")"
IF (typ AND ISSTRING) THEN a$ = "LOOP ERROR! Cannot accept a STRING type.": GOTO errmes
PRINT #12, "dl_continue_" + str2$(controlid(controllevel)) + ":;"
IF whileuntil = 1 THEN PRINT #12, "}while((" + e$ + ")&&(!new_error));" ELSE PRINT #12, "}while((!(" + e$ + "))&&(!new_error));"
ELSE
PRINT #12, "dl_continue_" + str2$(controlid(controllevel)) + ":;"
IF controltype(controllevel) = 4 THEN
PRINT #12, "}"
ELSE
PRINT #12, "}while(1);" 'infinite loop!
END IF
END IF
PRINT #12, "dl_exit_" + str2$(controlid(controllevel)) + ":;"
controllevel = controllevel - 1
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
IF n = 1 THEN GOTO finishednonexec '***no error causing code, event checking done by DO***
GOTO finishedline
END IF
END IF
IF n >= 1 THEN
IF firstelement$ = "FOR" THEN
IF NoChecks = 0 THEN PRINT #12, "S_" + str2$(statementn) + ":;": dynscope = 1
l$ = "FOR"
controllevel = controllevel + 1
controlref(controllevel) = linenumber
controltype(controllevel) = 2
controlid(controllevel) = uniquenumber
v$ = ""
startvalue$ = ""
p3$ = "1": stepused = 0
p2$ = ""
mode = 0
E = 0
FOR i = 2 TO n
e$ = getelement$(a$, i)
IF e$ = "=" THEN
IF mode <> 0 THEN E = 1: EXIT FOR
mode = 1
v$ = getelements$(ca$, 2, i - 1)
equpos = i
END IF
IF e$ = "TO" THEN
IF mode <> 1 THEN E = 1: EXIT FOR
mode = 2
startvalue$ = getelements$(ca$, equpos + 1, i - 1)
topos = i
END IF
IF e$ = "STEP" THEN
IF mode <> 2 THEN E = 1: EXIT FOR
mode = 3
stepused = 1
p2$ = getelements$(ca$, topos + 1, i - 1)
p3$ = getelements$(ca$, i + 1, n)
EXIT FOR
END IF
NEXT
IF mode < 2 THEN E = 1
IF p2$ = "" THEN p2$ = getelements$(ca$, topos + 1, n)
IF LEN(v$) = 0 OR LEN(startvalue$) = 0 OR LEN(p2$) = 0 THEN E = 1
IF E <> 0 AND mode < 3 THEN a$ = "Expected FOR name = start TO end": GOTO errmes
IF E THEN a$ = "Expected FOR name = start TO end STEP increment": GOTO errmes
e$ = fixoperationorder(v$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp + tlayout$
e$ = evaluate(e$, typ)
IF Error_Happened THEN GOTO errmes
IF (typ AND ISREFERENCE) THEN
getid VAL(e$)
IF Error_Happened THEN GOTO errmes
IF (id.t AND ISPOINTER) THEN
IF (id.t AND ISSTRING) = 0 THEN
IF (id.t AND ISOFFSETINBITS) = 0 THEN
IF (id.t AND ISARRAY) = 0 THEN
GOTO fornextfoundvar
END IF
END IF
END IF
END IF
END IF
a$ = "Unsupported variable used in FOR statement": GOTO errmes
fornextfoundvar:
controlvalue(controllevel) = currentid
v$ = e$
'find C++ datatype to match variable
'markup to cater for greater range/accuracy
ctype$ = ""
ctyp = typ - ISPOINTER
bits = typ AND 511
IF (typ AND ISFLOAT) THEN
IF bits = 32 THEN ctype$ = "double": ctyp = 64& + ISFLOAT
IF bits = 64 THEN ctype$ = "long double": ctyp = 256& + ISFLOAT
IF bits = 256 THEN ctype$ = "long double": ctyp = 256& + ISFLOAT
ELSE
IF bits = 8 THEN ctype$ = "int16": ctyp = 16&
IF bits = 16 THEN ctype$ = "int32": ctyp = 32&
IF bits = 32 THEN ctype$ = "int64": ctyp = 64&
IF bits = 64 THEN ctype$ = "int64": ctyp = 64&
END IF
IF ctype$ = "" THEN a$ = "Unsupported variable used in FOR statement": GOTO errmes
u$ = str2(uniquenumber)
IF subfunc = "" THEN
PRINT #13, "static " + ctype$ + " fornext_value" + u$ + ";"
PRINT #13, "static " + ctype$ + " fornext_finalvalue" + u$ + ";"
PRINT #13, "static " + ctype$ + " fornext_step" + u$ + ";"
PRINT #13, "static uint8 fornext_step_negative" + u$ + ";"
ELSE
PRINT #13, ctype$ + " fornext_value" + u$ + ";"
PRINT #13, ctype$ + " fornext_finalvalue" + u$ + ";"
PRINT #13, ctype$ + " fornext_step" + u$ + ";"
PRINT #13, "uint8 fornext_step_negative" + u$ + ";"
END IF
'calculate start
e$ = fixoperationorder$(startvalue$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp + "=" + sp + tlayout$
e$ = evaluatetotyp$(e$, ctyp)
IF Error_Happened THEN GOTO errmes
PRINT #12, "fornext_value" + u$ + "=" + e$ + ";"
'final
e$ = fixoperationorder$(p2$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp + "TO" + sp + tlayout$
e$ = evaluatetotyp(e$, ctyp)
IF Error_Happened THEN GOTO errmes
PRINT #12, "fornext_finalvalue" + u$ + "=" + e$ + ";"
'step
e$ = fixoperationorder$(p3$)
IF Error_Happened THEN GOTO errmes
IF stepused = 1 THEN l$ = l$ + sp + "STEP" + sp + tlayout$
e$ = evaluatetotyp(e$, ctyp)
IF Error_Happened THEN GOTO errmes
PRINT #12, "fornext_step" + u$ + "=" + e$ + ";"
PRINT #12, "if (fornext_step" + u$ + "<0) fornext_step_negative" + u$ + "=1; else fornext_step_negative" + u$ + "=0;"
PRINT #12, "if (new_error) goto fornext_error" + u$ + ";"
PRINT #12, "goto fornext_entrylabel" + u$ + ";"
PRINT #12, "while(1){"
typbak = typ
PRINT #12, "fornext_value" + u$ + "=fornext_step" + u$ + "+(" + refer$(v$, typ, 0) + ");"
IF Error_Happened THEN GOTO errmes
typ = typbak
PRINT #12, "fornext_entrylabel" + u$ + ":"
setrefer v$, typ, "fornext_value" + u$, 1
IF Error_Happened THEN GOTO errmes
PRINT #12, "if (fornext_step_negative" + u$ + "){"
PRINT #12, "if (fornext_value" + u$ + "fornext_finalvalue" + u$ + ") break;"
PRINT #12, "}"
PRINT #12, "fornext_error" + u$ + ":;"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
END IF
IF n = 1 THEN
IF firstelement$ = "ELSE" THEN
'Routine to add error checking for ELSE so we'll no longer be able to do things like the following:
'IF x = 1 THEN
' SELECT CASE s
' CASE 1
' END SELECT ELSE y = 2
'END IF
'Notice the ELSE with the SELECT CASE? Before this patch, commands like those were considered valid QB64 code.
temp$ = UCASE$(LTRIM$(RTRIM$(wholeline)))
IF NoIDEMode THEN
DO WHILE INSTR(temp$, CHR$(9))
ASC(temp$, INSTR(temp$, CHR$(9))) = 32
LOOP
END IF
goodelse = 0 'a check to see if it's a good else
IF LEFT$(temp$, 2) = "IF" THEN goodelse = -1: GOTO skipelsecheck 'If we have an IF, the else is probably good
IF LEFT$(temp$, 4) = "ELSE" THEN goodelse = -1: GOTO skipelsecheck 'If it's an else by itself,then we'll call it good too at this point and let the rest of the syntax checking check for us
DO
spacelocation = INSTR(temp$, " ")
IF spacelocation THEN temp$ = LEFT$(temp$, spacelocation - 1) + MID$(temp$, spacelocation + 1)
LOOP UNTIL spacelocation = 0
IF INSTR(temp$, ":ELSE") OR INSTR(temp$, ":IF") THEN goodelse = -1: GOTO skipelsecheck 'I personally don't like the idea of a :ELSE statement, but this checks for that and validates it as well. YUCK! (I suppose this might be useful if there's a label where the ELSE is, like thisline: ELSE
count = 0
DO
count = count + 1
SELECT CASE MID$(temp$, count, 1)
CASE IS = "1", "2", "3", "4", "5", "6", "7", "8", "9", "0", ":"
CASE ELSE: EXIT DO
END SELECT
LOOP UNTIL count >= LEN(temp$)
IF MID$(temp$, count, 4) = "ELSE" OR MID$(temp$, count, 2) = "IF" THEN goodelse = -1 'We only had numbers before our else
IF NOT goodelse THEN a$ = "Invalid Syntax for ELSE": GOTO errmes
skipelsecheck:
'End of ELSE Error checking
FOR i = controllevel TO 1 STEP -1
t = controltype(i)
IF t = 1 THEN
IF controlstate(controllevel) = 2 THEN a$ = "IF-THEN already contains an ELSE statement": GOTO errmes
PRINT #12, "}else{"
controlstate(controllevel) = 2
IF lineelseused = 0 THEN lhscontrollevel = lhscontrollevel - 1
l$ = "ELSE"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishednonexec '***no error causing code, event checking done by IF***
END IF
NEXT
a$ = "ELSE without IF": GOTO errmes
END IF
END IF
IF n >= 3 THEN
IF firstelement$ = "ELSEIF" THEN
IF NoChecks = 0 THEN PRINT #12, "S_" + str2$(statementn) + ":;": dynscope = 1
FOR i = controllevel TO 1 STEP -1
t = controltype(i)
IF t = 1 THEN
IF controlstate(controllevel) = 2 THEN a$ = "ELSEIF invalid after ELSE": GOTO errmes
controlstate(controllevel) = 1
controlvalue(controllevel) = controlvalue(controllevel) + 1
e$ = getelement$(a$, n)
IF e$ <> "THEN" THEN a$ = "Expected ELSEIF expression THEN": GOTO errmes
PRINT #12, "}else{"
e$ = fixoperationorder$(getelements$(ca$, 2, n - 1))
IF Error_Happened THEN GOTO errmes
l$ = "ELSEIF" + sp + tlayout$ + sp + "THEN"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
e$ = evaluate(e$, typ)
IF Error_Happened THEN GOTO errmes
IF (typ AND ISREFERENCE) THEN e$ = refer$(e$, typ, 0)
IF Error_Happened THEN GOTO errmes
IF typ AND ISSTRING THEN
a$ = "Expected ELSEIF LEN(stringexpression) THEN": GOTO errmes
END IF
IF stringprocessinghappened THEN
PRINT #12, "if (" + cleanupstringprocessingcall$ + e$ + ")){"
ELSE
PRINT #12, "if (" + e$ + "){"
END IF
lhscontrollevel = lhscontrollevel - 1
GOTO finishedline
END IF
NEXT
a$ = "ELSEIF without IF": GOTO errmes
END IF
END IF
IF n >= 3 THEN
IF firstelement$ = "IF" THEN
IF NoChecks = 0 THEN PRINT #12, "S_" + str2$(statementn) + ":;": dynscope = 1
e$ = getelement(a$, n)
iftype = 0
IF e$ = "THEN" THEN iftype = 1
IF e$ = "GOTO" THEN iftype = 2
IF iftype = 0 THEN a$ = "Expected IF expression THEN/GOTO": GOTO errmes
controllevel = controllevel + 1
controlref(controllevel) = linenumber
controltype(controllevel) = 1
controlvalue(controllevel) = 0 'number of extra closing } required at END IF
controlstate(controllevel) = 0
e$ = fixoperationorder$(getelements(ca$, 2, n - 1))
IF Error_Happened THEN GOTO errmes
l$ = "IF" + sp + tlayout$
e$ = evaluate(e$, typ)
IF Error_Happened THEN GOTO errmes
IF (typ AND ISREFERENCE) THEN e$ = refer$(e$, typ, 0)
IF Error_Happened THEN GOTO errmes
IF typ AND ISSTRING THEN
a$ = "Expected IF LEN(stringexpression) THEN": GOTO errmes
END IF
IF stringprocessinghappened THEN
PRINT #12, "if ((" + cleanupstringprocessingcall$ + e$ + "))||new_error){"
ELSE
PRINT #12, "if ((" + e$ + ")||new_error){"
END IF
IF iftype = 1 THEN l$ = l$ + sp + "THEN" 'note: 'GOTO' will be added when iftype=2
layoutdone = 1: IF LEN(layout$) = 0 THEN layout$ = l$ ELSE layout$ = layout$ + sp + l$
IF iftype = 2 THEN 'IF ... GOTO
GOTO finishedline
END IF
THENGOTO = 1 'possible: IF a=1 THEN 10
GOTO finishedline2
END IF
END IF
'ENDIF
IF n = 1 AND getelement(a$, 1) = "ENDIF" THEN
IF controltype(controllevel) <> 1 THEN a$ = "END IF without IF": GOTO errmes
layoutdone = 1
IF impliedendif = 0 THEN
l$ = "END IF"
IF LEN(layout$) = 0 THEN layout$ = l$ ELSE layout$ = layout$ + sp + l$
END IF
PRINT #12, "}"
FOR i = 1 TO controlvalue(controllevel)
PRINT #12, "}"
NEXT
controllevel = controllevel - 1
GOTO finishednonexec '***no error causing code, event checking done by IF***
END IF
'END IF
IF n = 2 THEN
IF getelement(a$, 1) = "END" AND getelement(a$, 2) = "IF" THEN
IF controltype(controllevel) <> 1 THEN a$ = "END IF without IF": GOTO errmes
layoutdone = 1
IF impliedendif = 0 THEN
l$ = "END" + sp + "IF"
IF LEN(layout$) = 0 THEN layout$ = l$ ELSE layout$ = layout$ + sp + l$
END IF
PRINT #12, "}"
FOR i = 1 TO controlvalue(controllevel)
PRINT #12, "}"
NEXT
controllevel = controllevel - 1
GOTO finishednonexec '***no error causing code, event checking done by IF***
END IF
END IF
'SELECT CASE
IF n >= 1 THEN
IF firstelement$ = "SELECT" THEN
IF NoChecks = 0 THEN PRINT #12, "S_" + str2$(statementn) + ":;": dynscope = 1
SelectCaseCounter = SelectCaseCounter + 1
IF UBOUND(EveryCaseSet) <= SelectCaseCounter THEN REDIM _PRESERVE EveryCaseSet(SelectCaseCounter)
IF secondelement$ = "EVERYCASE" THEN
EveryCaseSet(SelectCaseCounter) = -1
IF n = 2 THEN a$ = "Expected SELECT CASE expression": GOTO errmes
e$ = fixoperationorder(getelements$(ca$, 3, n))
IF Error_Happened THEN GOTO errmes
l$ = "SELECT EVERYCASE " + tlayout$
ELSE
EveryCaseSet(SelectCaseCounter) = 0
IF n = 1 OR secondelement$ <> "CASE" THEN a$ = "Expected CASE or EVERYCASE": GOTO errmes
IF n = 2 THEN a$ = "Expected SELECT CASE expression": GOTO errmes
e$ = fixoperationorder(getelements$(ca$, 3, n))
IF Error_Happened THEN GOTO errmes
l$ = "SELECT CASE " + tlayout$
END IF
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
e$ = evaluate(e$, typ)
IF Error_Happened THEN GOTO errmes
u = uniquenumber
controllevel = controllevel + 1
controlvalue(controllevel) = 0 'id
t$ = ""
IF (typ AND ISSTRING) THEN
t = 0
IF (typ AND ISUDT) = 0 AND (typ AND ISARRAY) = 0 AND (typ AND ISREFERENCE) <> 0 THEN
controlvalue(controllevel) = VAL(e$)
ELSE
IF (typ AND ISREFERENCE) THEN e$ = refer(e$, typ, 0)
IF Error_Happened THEN GOTO errmes
PRINT #13, "static qbs *sc_" + str2$(u) + "=qbs_new(0,0);"
PRINT #12, "qbs_set(sc_" + str2$(u) + "," + e$ + ");"
IF stringprocessinghappened THEN PRINT #12, cleanupstringprocessingcall$ + "0);"
END IF
ELSE
IF (typ AND ISFLOAT) THEN
IF (typ AND 511) > 64 THEN t = 3: t$ = "long double"
IF (typ AND 511) = 32 THEN t = 4: t$ = "float"
IF (typ AND 511) = 64 THEN t = 5: t$ = "double"
IF (typ AND ISUDT) = 0 AND (typ AND ISARRAY) = 0 AND (typ AND ISREFERENCE) <> 0 THEN
controlvalue(controllevel) = VAL(e$)
ELSE
IF (typ AND ISREFERENCE) THEN e$ = refer(e$, typ, 0)
IF Error_Happened THEN GOTO errmes
PRINT #13, "static " + t$ + " sc_" + str2$(u) + ";"
PRINT #12, "sc_" + str2$(u) + "=" + e$ + ";"
IF stringprocessinghappened THEN PRINT #12, cleanupstringprocessingcall$ + "0);"
END IF
ELSE
'non-float
t = 1: t$ = "int64"
IF (typ AND ISUNSIGNED) THEN
IF (typ AND 511) <= 32 THEN t = 7: t$ = "uint32"
IF (typ AND 511) > 32 THEN t = 2: t$ = "uint64"
ELSE
IF (typ AND 511) <= 32 THEN t = 6: t$ = "int32"
IF (typ AND 511) > 32 THEN t = 1: t$ = "int64"
END IF
IF (typ AND ISUDT) = 0 AND (typ AND ISARRAY) = 0 AND (typ AND ISREFERENCE) <> 0 THEN
controlvalue(controllevel) = VAL(e$)
ELSE
IF (typ AND ISREFERENCE) THEN e$ = refer(e$, typ, 0)
IF Error_Happened THEN GOTO errmes
PRINT #13, "static " + t$ + " sc_" + str2$(u) + ";"
PRINT #12, "sc_" + str2$(u) + "=" + e$ + ";"
IF stringprocessinghappened THEN PRINT #12, cleanupstringprocessingcall$ + "0);"
END IF
END IF
END IF
controlref(controllevel) = linenumber
controltype(controllevel) = 10 + t
controlid(controllevel) = u
IF EveryCaseSet(SelectCaseCounter) THEN PRINT #13, "int32 sc_" + str2$(controlid(controllevel)) + "_var;"
IF EveryCaseSet(SelectCaseCounter) THEN PRINT #12, "sc_" + str2$(controlid(controllevel)) + "_var=0;"
GOTO finishedline
END IF
END IF
'END SELECT
IF n = 2 THEN
IF firstelement$ = "END" AND secondelement$ = "SELECT" THEN
'complete current case if necessary
'18=CASE (awaiting END SELECT/CASE/CASE ELSE)
'19=CASE ELSE (awaiting END SELECT)
IF controltype(controllevel) = 18 THEN
controllevel = controllevel - 1
IF EveryCaseSet(SelectCaseCounter) = 0 THEN PRINT #12, "goto sc_" + str2$(controlid(controllevel)) + "_end;"
PRINT #12, "}"
END IF
IF controltype(controllevel) = 19 THEN
controllevel = controllevel - 1
IF EveryCaseSet(SelectCaseCounter) THEN PRINT #12, "} /* End of SELECT EVERYCASE ELSE */"
END IF
PRINT #12, "sc_" + str2$(controlid(controllevel)) + "_end:;"
IF controltype(controllevel) < 10 OR controltype(controllevel) > 17 THEN a$ = "END SELECT without SELECT CASE": GOTO errmes
controllevel = controllevel - 1
SelectCaseCounter = SelectCaseCounter - 1
l$ = "END" + sp + "SELECT"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishednonexec '***no error causing code, event checking done by SELECT CASE***
END IF
END IF
'Steve Edit on 07-05-2014 to generate an error message if someone inserts code between SELECT CASE and CASE such as:
'SELECT CASE x
'm = 3
'CASE 1
'END SELECT
'The above used to give no errors, but this one line fix should correct that. (I hope)
IF n >= 1 AND firstelement$ <> "CASE" AND controltype(controllevel) >= 10 AND controltype(controllevel) < 17 THEN a$ = "Expected CASE expression": GOTO errmes
'End of Edit
'CASE
IF n >= 1 THEN
IF firstelement$ = "CASE" THEN
l$ = "CASE"
'complete current case if necessary
'18=CASE (awaiting END SELECT/CASE/CASE ELSE)
'19=CASE ELSE (awaiting END SELECT)
IF controltype(controllevel) = 19 THEN a$ = "Expected END SELECT": GOTO errmes
IF controltype(controllevel) = 18 THEN
lhscontrollevel = lhscontrollevel - 1
controllevel = controllevel - 1
IF EveryCaseSet(SelectCaseCounter) = 0 THEN
PRINT #12, "goto sc_" + str2$(controlid(controllevel)) + "_end;"
ELSE
PRINT #12, "sc_" + str2$(controlid(controllevel)) + "_var=-1;"
END IF
PRINT #12, "}"
'following line fixes problem related to RESUME after error
'statementn = statementn + 1
'if nochecks=0 then PRINT #12, "S_" + str2$(statementn) + ":;"
END IF
IF controltype(controllevel) < 10 OR controltype(controllevel) > 17 THEN a$ = "CASE without SELECT CASE": GOTO errmes
IF n = 1 THEN a$ = "Expected CASE expression": GOTO errmes
'upgrade:
'#1: variables can be referred to directly by storing an id in 'controlref'
' (but not if part of an array etc.)
'DIM controlvalue(1000) AS LONG
'#2: more types will be available
' +SINGLE
' +DOUBLE
' -LONG DOUBLE
' +INT32
' +UINT32
'14=SELECT CASE float ...
'15=SELECT CASE double
'16=SELECT CASE int32
'17=SELECT CASE uint32
'10=SELECT CASE qbs (awaiting END SELECT/CASE)
'11=SELECT CASE int64 (awaiting END SELECT/CASE)
'12=SELECT CASE uint64 (awaiting END SELECT/CASE)
'13=SELECT CASE LONG double (awaiting END SELECT/CASE/CASE ELSE)
'14=SELECT CASE float ...
'15=SELECT CASE double
'16=SELECT CASE int32
'17=SELECT CASE uint32
' bits = targettyp AND 511
' IF bits <= 16 THEN e$ = "qbr_float_to_long(" + e$ + ")"
' IF bits > 16 AND bits < 32 THEN e$ = "qbr_double_to_long(" + e$ + ")"
' IF bits >= 32 THEN e$ = "qbr(" + e$ + ")"
t = controltype(controllevel) - 10
'get required type cast, and float options
flt = 0
IF t = 0 THEN tc$ = ""
IF t = 1 THEN tc$ = ""
IF t = 2 THEN tc$ = ""
IF t = 3 THEN tc$ = "": flt = 1
IF t = 4 THEN tc$ = "(float)": flt = 1
IF t = 5 THEN tc$ = "(double)": flt = 1
IF t = 6 THEN tc$ = ""
IF t = 7 THEN tc$ = ""
n$ = "sc_" + str2$(controlid(controllevel))
cv = controlvalue(controllevel)
IF cv THEN
n$ = refer$(str2$(cv), 0, 0)
IF Error_Happened THEN GOTO errmes
END IF
'CASE ELSE
IF n = 2 THEN
IF getelement$(a$, 2) = "C-EL" THEN
IF EveryCaseSet(SelectCaseCounter) THEN PRINT #12, "if (sc_" + str2$(controlid(controllevel)) + "_var==0) {"
controllevel = controllevel + 1: controltype(controllevel) = 19
controlref(controllevel) = controlref(controllevel - 1)
l$ = l$ + sp + "ELSE"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishednonexec '***no error causing code, event checking done by SELECT CASE***
END IF
END IF
IF NoChecks = 0 THEN PRINT #12, "S_" + str2$(statementn) + ":;": dynscope = 1
f12$ = ""
nexp = 0
B = 0
e$ = ""
FOR i = 2 TO n
e2$ = getelement$(ca$, i)
IF e2$ = "(" THEN B = B + 1
IF e2$ = ")" THEN B = B - 1
IF i = n THEN e$ = e$ + sp + e2$
IF i = n OR (e2$ = "," AND B = 0) THEN
IF nexp <> 0 THEN l$ = l$ + sp2 + ",": f12$ = f12$ + "||"
IF e$ = "" THEN a$ = "Expected expression": GOTO errmes
e$ = RIGHT$(e$, LEN(e$) - 1)
'TYPE 1? ... TO ...
n2 = numelements(e$)
b2 = 0
el$ = "": er$ = ""
usedto = 0
FOR i2 = 1 TO n2
e3$ = getelement$(e$, i2)
IF e3$ = "(" THEN b2 = b2 + 1
IF e3$ = ")" THEN b2 = b2 - 1
IF b2 = 0 AND UCASE$(e3$) = "TO" THEN
usedto = 1
ELSE
IF usedto = 0 THEN el$ = el$ + sp + e3$ ELSE er$ = er$ + sp + e3$
END IF
NEXT
IF usedto = 1 THEN
IF el$ = "" OR er$ = "" THEN a$ = "Expected expression TO expression": GOTO errmes
el$ = RIGHT$(el$, LEN(el$) - 1): er$ = RIGHT$(er$, LEN(er$) - 1)
'evaluate each side
FOR i2 = 1 TO 2
IF i2 = 1 THEN e$ = el$ ELSE e$ = er$
e$ = fixoperationorder(e$)
IF Error_Happened THEN GOTO errmes
IF i2 = 1 THEN l$ = l$ + sp + tlayout$ ELSE l$ = l$ + sp + "TO" + sp + tlayout$
e$ = evaluate(e$, typ)
IF Error_Happened THEN GOTO errmes
IF (typ AND ISREFERENCE) THEN e$ = refer(e$, typ, 0)
IF Error_Happened THEN GOTO errmes
IF t = 0 THEN
IF (typ AND ISSTRING) = 0 THEN a$ = "Expected string expression": GOTO errmes
IF i2 = 1 THEN f12$ = f12$ + "(qbs_greaterorequal(" + n$ + "," + e$ + ")&&qbs_lessorequal(" + n$ + ","
IF i2 = 2 THEN f12$ = f12$ + e$ + "))"
ELSE
IF (typ AND ISSTRING) THEN a$ = "Expected numeric expression": GOTO errmes
'round to integer?
IF (typ AND ISFLOAT) THEN
IF t = 1 THEN e$ = "qbr(" + e$ + ")"
IF t = 2 THEN e$ = "qbr_longdouble_to_uint64(" + e$ + ")"
IF t = 6 OR t = 7 THEN e$ = "qbr_double_to_long(" + e$ + ")"
END IF
'cast result?
IF LEN(tc$) THEN e$ = tc$ + "(" + e$ + ")"
IF i2 = 1 THEN f12$ = f12$ + "((" + n$ + ">=(" + e$ + "))&&(" + n$ + "<=("
IF i2 = 2 THEN f12$ = f12$ + e$ + ")))"
END IF
NEXT
GOTO addedexp
END IF
'10=SELECT CASE qbs (awaiting END SELECT/CASE)
'11=SELECT CASE int64 (awaiting END SELECT/CASE)
'12=SELECT CASE uint64 (awaiting END SELECT/CASE)
'13=SELECT CASE LONG double (awaiting END SELECT/CASE/CASE ELSE)
'14=SELECT CASE float ...
'15=SELECT CASE double
'16=SELECT CASE int32
'17=SELECT CASE uint32
' bits = targettyp AND 511
' IF bits <= 16 THEN e$ = "qbr_float_to_long(" + e$ + ")"
' IF bits > 16 AND bits < 32 THEN e$ = "qbr_double_to_long(" + e$ + ")"
' IF bits >= 32 THEN e$ = "qbr(" + e$ + ")"
o$ = "==" 'used by type 3
'TYPE 2?
x$ = getelement$(e$, 1)
IF isoperator(x$) THEN 'non-standard usage correction
IF x$ = "=" OR x$ = "<>" OR x$ = ">" OR x$ = "<" OR x$ = ">=" OR x$ = "<=" THEN
e$ = "IS" + sp + e$
x$ = "IS"
END IF
END IF
IF UCASE$(x$) = "IS" THEN
n2 = numelements(e$)
IF n2 < 3 THEN a$ = "Expected IS =,<>,>,<,>=,<= expression": GOTO errmes
o$ = getelement$(e$, 2)
o2$ = o$
o = 0
IF o$ = "=" THEN o$ = "==": o = 1
IF o$ = "<>" THEN o$ = "!=": o = 1
IF o$ = ">" THEN o = 1
IF o$ = "<" THEN o = 1
IF o$ = ">=" THEN o = 1
IF o$ = "<=" THEN o = 1
IF o <> 1 THEN a$ = "Expected IS =,<>,>,<,>=,<= expression": GOTO errmes
l$ = l$ + sp + "IS" + sp + o2$
e$ = getelements$(e$, 3, n2)
'fall through to type 3 using modified e$ & o$
END IF
'TYPE 3? simple expression
e$ = fixoperationorder(e$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp + tlayout$
e$ = evaluate(e$, typ)
IF Error_Happened THEN GOTO errmes
IF (typ AND ISREFERENCE) THEN e$ = refer(e$, typ, 0)
IF Error_Happened THEN GOTO errmes
IF t = 0 THEN
'string comparison
IF (typ AND ISSTRING) = 0 THEN a$ = "Expected string expression": GOTO errmes
IF o$ = "==" THEN o$ = "qbs_equal"
IF o$ = "!=" THEN o$ = "qbs_notequal"
IF o$ = ">" THEN o$ = "qbs_greaterthan"
IF o$ = "<" THEN o$ = "qbs_lessthan"
IF o$ = ">=" THEN o$ = "qbs_greaterorequal"
IF o$ = "<=" THEN o$ = "qbs_lessorequal"
f12$ = f12$ + o$ + "(" + n$ + "," + e$ + ")"
ELSE
'numeric
IF (typ AND ISSTRING) THEN a$ = "Expected numeric expression": GOTO errmes
'round to integer?
IF (typ AND ISFLOAT) THEN
IF t = 1 THEN e$ = "qbr(" + e$ + ")"
IF t = 2 THEN e$ = "qbr_longdouble_to_uint64(" + e$ + ")"
IF t = 6 OR t = 7 THEN e$ = "qbr_double_to_long(" + e$ + ")"
END IF
'cast result?
IF LEN(tc$) THEN e$ = tc$ + "(" + e$ + ")"
f12$ = f12$ + "(" + n$ + o$ + "(" + e$ + "))"
END IF
addedexp:
e$ = ""
nexp = nexp + 1
ELSE
e$ = e$ + sp + e2$
END IF
NEXT
IF stringprocessinghappened THEN
PRINT #12, "if ((" + cleanupstringprocessingcall$ + f12$ + "))||new_error){"
ELSE
PRINT #12, "if ((" + f12$ + ")||new_error){"
END IF
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
controllevel = controllevel + 1
controlref(controllevel) = controlref(controllevel - 1)
controltype(controllevel) = 18
GOTO finishedline
END IF
END IF
'static scope commands:
IF NoChecks = 0 THEN
PRINT #12, "do{"
'PRINT #12, "S_" + str2$(statementn) + ":;"
END IF
IF n > 1 THEN
IF firstelement$ = "PALETTE" THEN
IF secondelement$ = "USING" THEN
l$ = "PALETTE" + sp + "USING" + sp
IF n < 3 THEN a$ = "Expected PALETTE USING array-name": GOTO errmes
'check array
e$ = getelement$(ca$, 3)
IF FindArray(e$) THEN
IF Error_Happened THEN GOTO errmes
z = 1
t = id.arraytype
IF (t AND 511) <> 16 AND (t AND 511) <> 32 THEN z = 0
IF t AND ISFLOAT THEN z = 0
IF t AND ISOFFSETINBITS THEN z = 0
IF t AND ISSTRING THEN z = 0
IF t AND ISUDT THEN z = 0
IF t AND ISUNSIGNED THEN z = 0
IF z = 0 THEN a$ = "Array must be of type INTEGER or LONG": GOTO errmes
bits = t AND 511
GOTO pu_gotarray
END IF
IF Error_Happened THEN GOTO errmes
a$ = "Expected PALETTE USING array-name": GOTO errmes
pu_gotarray:
'add () if index not specified
IF n = 3 THEN
e$ = e$ + sp + "(" + sp + ")"
ELSE
IF n = 4 OR getelement$(a$, 4) <> "(" OR getelement$(a$, n) <> ")" THEN a$ = "Expected PALETTE USING array-name(...)": GOTO errmes
e$ = e$ + sp + getelements$(ca$, 4, n)
END IF
e$ = fixoperationorder$(e$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + tlayout$
e$ = evaluatetotyp(e$, -2)
IF Error_Happened THEN GOTO errmes
PRINT #12, "sub_paletteusing(" + e$ + "," + str2(bits) + ");"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF 'using
END IF 'palette
END IF 'n>1
IF firstelement$ = "KEY" THEN
IF n = 1 THEN a$ = "Expected KEY ...": GOTO errmes
l$ = "KEY" + sp
IF secondelement$ = "OFF" THEN
IF n > 2 THEN a$ = "Expected KEY OFF only": GOTO errmes
l$ = l$ + "OFF": layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
PRINT #12, "key_off();"
GOTO finishedline
END IF
IF secondelement$ = "ON" THEN
IF n > 2 THEN a$ = "Expected KEY ON only": GOTO errmes
l$ = l$ + "ON": layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
PRINT #12, "key_on();"
GOTO finishedline
END IF
IF secondelement$ = "LIST" THEN
IF n > 2 THEN a$ = "Expected KEY LIST only": GOTO errmes
l$ = l$ + "LIST": layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
PRINT #12, "key_list();"
GOTO finishedline
END IF
'search for comma to indicate assignment
B = 0: e$ = ""
FOR i = 2 TO n
e2$ = getelement(ca$, i)
IF e2$ = "(" THEN B = B + 1
IF e2$ = ")" THEN B = B - 1
IF e2$ = "," AND B = 0 THEN
i = i + 1: GOTO key_assignment
END IF
IF LEN(e$) THEN e$ = e$ + sp + e2$ ELSE e$ = e2$
NEXT
'assume KEY(x) ON/OFF/STOP and handle as a sub
GOTO key_fallthrough
key_assignment:
'KEY x, "string"
'index
e$ = fixoperationorder(e$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + tlayout$ + sp2 + "," + sp
e$ = evaluatetotyp(e$, 32&)
IF Error_Happened THEN GOTO errmes
PRINT #12, "key_assign(" + e$ + ",";
'string
e$ = getelements$(ca$, i, n)
e$ = fixoperationorder(e$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + tlayout$
e$ = evaluatetotyp(e$, ISSTRING)
IF Error_Happened THEN GOTO errmes
PRINT #12, e$ + ");"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF 'KEY
key_fallthrough:
IF firstelement$ = "FIELD" THEN
'get filenumber
B = 0: e$ = ""
FOR i = 2 TO n
e2$ = getelement(ca$, i)
IF e2$ = "(" THEN B = B + 1
IF e2$ = ")" THEN B = B - 1
IF e2$ = "," AND B = 0 THEN
i = i + 1: GOTO fieldgotfn
END IF
IF LEN(e$) THEN e$ = e$ + sp + e2$ ELSE e$ = e2$
NEXT
GOTO fielderror
fieldgotfn:
IF e$ = "#" OR LEN(e$) = 0 THEN GOTO fielderror
IF LEFT$(e$, 2) = "#" + sp THEN e$ = RIGHT$(e$, LEN(e$) - 2): l$ = "FIELD" + sp + "#" + sp2 ELSE l$ = "FIELD" + sp
e$ = fixoperationorder(e$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + tlayout$ + sp2 + "," + sp
e$ = evaluatetotyp(e$, 32&)
IF Error_Happened THEN GOTO errmes
PRINT #12, "field_new(" + e$ + ");"
fieldnext:
'get fieldwidth
IF i > n THEN GOTO fielderror
B = 0: e$ = ""
FOR i = i TO n
e2$ = getelement(ca$, i)
IF e2$ = "(" THEN B = B + 1
IF e2$ = ")" THEN B = B - 1
IF UCASE$(e2$) = "AS" AND B = 0 THEN
i = i + 1: GOTO fieldgotfw
END IF
IF LEN(e$) THEN e$ = e$ + sp + e2$ ELSE e$ = e2$
NEXT
GOTO fielderror
fieldgotfw:
IF LEN(e$) = 0 THEN GOTO fielderror
e$ = fixoperationorder(e$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + tlayout$ + sp + "AS" + sp
sizee$ = evaluatetotyp(e$, 32&)
IF Error_Happened THEN GOTO errmes
'get variable name
IF i > n THEN GOTO fielderror
B = 0: e$ = ""
FOR i = i TO n
e2$ = getelement(ca$, i)
IF e2$ = "(" THEN B = B + 1
IF e2$ = ")" THEN B = B - 1
IF (i = n OR e2$ = ",") AND B = 0 THEN
IF e2$ = "," THEN i = i - 1
IF i = n THEN
IF LEN(e$) THEN e$ = e$ + sp + e2$ ELSE e$ = e2$
END IF
GOTO fieldgotfname
END IF
IF LEN(e$) THEN e$ = e$ + sp + e2$ ELSE e$ = e2$
NEXT
GOTO fielderror
fieldgotfname:
IF LEN(e$) = 0 THEN GOTO fielderror
'evaluate it to check it is a STRING
e$ = fixoperationorder(e$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + tlayout$
e$ = evaluate(e$, typ)
IF Error_Happened THEN GOTO errmes
IF (typ AND ISSTRING) = 0 THEN GOTO fielderror
IF typ AND ISFIXEDLENGTH THEN a$ = "Fixed length strings cannot be used in a FIELD statement": GOTO errmes
IF (typ AND ISREFERENCE) = 0 THEN GOTO fielderror
e$ = refer(e$, typ, 0)
IF Error_Happened THEN GOTO errmes
PRINT #12, "field_add(" + e$ + "," + sizee$ + ");"
IF i < n THEN
i = i + 1
e$ = getelement(a$, i)
IF e$ <> "," THEN a$ = "Expected ,": GOTO errmes
l$ = l$ + sp2 + "," + sp
i = i + 1
GOTO fieldnext
END IF
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
fielderror: a$ = "Expected FIELD #filenumber, characters AS variable$, ...": GOTO errmes
END IF
'1=IF (awaiting END IF)
'2=FOR (awaiting NEXT)
'3=DO (awaiting LOOP [UNTIL|WHILE param])
'4=DO WHILE/UNTIL (awaiting LOOP)
'5=WHILE (awaiting WEND)
IF n = 2 THEN
IF firstelement$ = "EXIT" THEN
l$ = firstelement$ + sp + secondelement$
IF secondelement$ = "DO" THEN
'scan backwards until previous control level reached
FOR i = controllevel TO 1 STEP -1
t = controltype(i)
IF t = 3 OR t = 4 THEN
PRINT #12, "goto dl_exit_" + str2$(controlid(i)) + ";"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
NEXT
a$ = "EXIT DO without DO": GOTO errmes
END IF
IF secondelement$ = "FOR" THEN
'scan backwards until previous control level reached
FOR i = controllevel TO 1 STEP -1
t = controltype(i)
IF t = 2 THEN
PRINT #12, "goto fornext_exit_" + str2$(controlid(i)) + ";"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
NEXT
a$ = "EXIT FOR without FOR": GOTO errmes
END IF
IF secondelement$ = "WHILE" THEN
'scan backwards until previous control level reached
FOR i = controllevel TO 1 STEP -1
t = controltype(i)
IF t = 5 THEN
PRINT #12, "goto ww_exit_" + str2$(controlid(i)) + ";"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
NEXT
a$ = "EXIT WHILE without WHILE": GOTO errmes
END IF
END IF
END IF
IF n >= 2 THEN
IF firstelement$ = "ON" AND secondelement$ = "STRIG" THEN
DEPENDENCY(DEPENDENCY_DEVICEINPUT) = 1
i = 3
IF i > n THEN a$ = "Expected (": GOTO errmes
a2$ = getelement$(ca$, i): i = i + 1
IF a2$ <> "(" THEN a$ = "Expected (": GOTO errmes
l$ = "ON" + sp + "STRIG" + sp2 + "("
IF i > n THEN a$ = "Expected ...": GOTO errmes
B = 0
x = 0
e2$ = ""
e3$ = ""
FOR i = i TO n
e$ = getelement$(ca$, i)
a = ASC(e$)
IF a = 40 THEN B = B + 1
IF a = 41 THEN B = B - 1
IF B = -1 THEN GOTO onstriggotarg
IF a = 44 AND B = 0 THEN
x = x + 1
IF x > 1 THEN a$ = "Expected )": GOTO errmes
IF e2$ = "" THEN a$ = "Expected ... ,": GOTO errmes
e3$ = e2$
e2$ = ""
ELSE
IF LEN(e2$) THEN e2$ = e2$ + sp + e$ ELSE e2$ = e$
END IF
NEXT
a$ = "Expected )": GOTO errmes
onstriggotarg:
IF e2$ = "" THEN a$ = "Expected ... )": GOTO errmes
PRINT #12, "onstrig_setup(";
'sort scanned results
IF LEN(e3$) THEN
optI$ = e3$
optController$ = e2$
optPassed$ = "1"
ELSE
optI$ = e2$
optController$ = "0"
optPassed$ = "0"
END IF
'i
e$ = fixoperationorder$(optI$): IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + tlayout$
e$ = evaluatetotyp(e$, 32&): IF Error_Happened THEN GOTO errmes
PRINT #12, e$ + ",";
'controller , passed
IF optPassed$ = "1" THEN
e$ = fixoperationorder$(optController$): IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + "," + sp + tlayout$
e$ = evaluatetotyp(e$, 32&): IF Error_Happened THEN GOTO errmes
ELSE
e$ = optController$
END IF
PRINT #12, e$ + "," + optPassed$ + ",";
l$ = l$ + sp2 + ")" + sp 'close brackets
i = i + 1
IF i > n THEN a$ = "Expected GOSUB/sub-name": GOTO errmes
a2$ = getelement$(a$, i): i = i + 1
onstrigid = onstrigid + 1
PRINT #12, str2$(onstrigid) + ",";
IF a2$ = "GOSUB" THEN
IF i > n THEN a$ = "Expected linenumber/label": GOTO errmes
a2$ = getelement$(ca$, i): i = i + 1
PRINT #12, "0);"
IF validlabel(a2$) = 0 THEN a$ = "Invalid label": GOTO errmes
v = HashFind(a2$, HASHFLAG_LABEL, ignore, r)
x = 1
labchk60z:
IF v THEN
s = Labels(r).Scope
IF s = 0 OR s = -1 THEN 'main scope?
IF s = -1 THEN Labels(r).Scope = 0 'acquire scope
x = 0 'already defined
tlayout$ = RTRIM$(Labels(r).cn)
Labels(r).Scope_Restriction = subfuncn
Labels(r).Error_Line = linenumber
ELSE
IF v = 2 THEN v = HashFindCont(ignore, r): GOTO labchk60z
END IF
END IF
IF x THEN
'does not exist
nLabels = nLabels + 1: IF nLabels > Labels_Ubound THEN Labels_Ubound = Labels_Ubound * 2: REDIM _PRESERVE Labels(1 TO Labels_Ubound) AS Label_Type
Labels(nLabels) = Empty_Label
HashAdd a2$, HASHFLAG_LABEL, nLabels
r = nLabels
Labels(r).State = 0
Labels(r).cn = tlayout$
Labels(r).Scope = 0
Labels(r).Error_Line = linenumber
Labels(r).Scope_Restriction = subfuncn
END IF 'x
l$ = l$ + "GOSUB" + sp + tlayout$
PRINT #30, "if(strig_event_id==" + str2$(onstrigid) + ")goto LABEL_" + a2$ + ";"
PRINT #29, "case " + str2$(onstrigid) + ":"
PRINT #29, "strig_event_occurred++;"
PRINT #29, "strig_event_id=" + str2$(onstrigid) + ";"
PRINT #29, "strig_event_occurred++;"
PRINT #29, "return_point[next_return_point++]=0;"
PRINT #29, "if (next_return_point>=return_points) more_return_points();"
PRINT #29, "QBMAIN(NULL);"
PRINT #29, "break;"
IF LEN(layout$) = 0 THEN layout$ = l$ ELSE layout$ = layout$ + sp + l$
layoutdone = 1
GOTO finishedline
ELSE
'establish whether sub a2$ exists using try
x = 0
try = findid(a2$)
IF Error_Happened THEN GOTO errmes
DO WHILE try
IF id.subfunc = 2 THEN x = 1: EXIT DO
IF try = 2 THEN findanotherid = 1: try = findid(a2$) ELSE try = 0
IF Error_Happened THEN GOTO errmes
LOOP
IF x = 0 THEN a$ = "Expected GOSUB/sub": GOTO errmes
l$ = l$ + RTRIM$(id.cn)
PRINT #29, "case " + str2$(onstrigid) + ":"
PRINT #29, RTRIM$(id.callname) + "(";
IF id.args > 1 THEN a$ = "SUB requires more than one argument": GOTO errmes
IF i > n THEN
IF id.args = 1 THEN a$ = "Expected argument after SUB": GOTO errmes
PRINT #12, "0);"
PRINT #29, ");"
ELSE
IF id.args = 0 THEN a$ = "SUB has no arguments": GOTO errmes
t = CVL(id.arg)
B = t AND 511
IF B = 0 OR (t AND ISARRAY) <> 0 OR (t AND ISFLOAT) <> 0 OR (t AND ISSTRING) <> 0 OR (t AND ISOFFSETINBITS) <> 0 THEN a$ = "Only SUB arguments of integer-type allowed": GOTO errmes
IF B = 8 THEN ct$ = "int8"
IF B = 16 THEN ct$ = "int16"
IF B = 32 THEN ct$ = "int32"
IF B = 64 THEN ct$ = "int64"
IF t AND ISOFFSET THEN ct$ = "ptrszint"
IF t AND ISUNSIGNED THEN ct$ = "u" + ct$
PRINT #29, "(" + ct$ + "*)&i64);"
e$ = getelements$(ca$, i, n)
e$ = fixoperationorder$(e$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp + tlayout$
e$ = evaluatetotyp(e$, INTEGER64TYPE - ISPOINTER)
IF Error_Happened THEN GOTO errmes
PRINT #12, e$ + ");"
END IF
PRINT #29, "break;"
IF LEN(layout$) = 0 THEN layout$ = l$ ELSE layout$ = layout$ + sp + l$
layoutdone = 1
GOTO finishedline
END IF
END IF
END IF
IF n >= 2 THEN
IF firstelement$ = "ON" AND secondelement$ = "TIMER" THEN
i = 3
IF i > n THEN a$ = "Expected (": GOTO errmes
a2$ = getelement$(ca$, i): i = i + 1
IF a2$ <> "(" THEN a$ = "Expected (": GOTO errmes
l$ = "ON" + sp + "TIMER" + sp2 + "("
IF i > n THEN a$ = "Expected ...": GOTO errmes
B = 0
x = 0
e2$ = ""
e3$ = ""
FOR i = i TO n
e$ = getelement$(ca$, i)
a = ASC(e$)
IF a = 40 THEN B = B + 1
IF a = 41 THEN B = B - 1
IF B = -1 THEN GOTO ontimgotarg
IF a = 44 AND B = 0 THEN
x = x + 1
IF x > 1 THEN a$ = "Expected )": GOTO errmes
IF e2$ = "" THEN a$ = "Expected ... ,": GOTO errmes
e3$ = e2$
e2$ = ""
ELSE
IF LEN(e2$) THEN e2$ = e2$ + sp + e$ ELSE e2$ = e$
END IF
NEXT
a$ = "Expected )": GOTO errmes
ontimgotarg:
IF e2$ = "" THEN a$ = "Expected ... )": GOTO errmes
PRINT #12, "ontimer_setup(";
'i
IF LEN(e3$) THEN
e$ = fixoperationorder$(e3$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + tlayout$ + "," + sp
e$ = evaluatetotyp(e$, 32&)
IF Error_Happened THEN GOTO errmes
PRINT #12, e$ + ",";
ELSE
PRINT #12, "0,";
l$ = l$ + sp2
END IF
'sec
e$ = fixoperationorder$(e2$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + tlayout$ + sp2 + ")" + sp
e$ = evaluatetotyp(e$, DOUBLETYPE - ISPOINTER)
IF Error_Happened THEN GOTO errmes
PRINT #12, e$ + ",";
i = i + 1
IF i > n THEN a$ = "Expected GOSUB/sub-name": GOTO errmes
a2$ = getelement$(a$, i): i = i + 1
ontimerid = ontimerid + 1
PRINT #12, str2$(ontimerid) + ",";
IF a2$ = "GOSUB" THEN
IF i > n THEN a$ = "Expected linenumber/label": GOTO errmes
a2$ = getelement$(ca$, i): i = i + 1
PRINT #12, "0);"
IF validlabel(a2$) = 0 THEN a$ = "Invalid label": GOTO errmes
v = HashFind(a2$, HASHFLAG_LABEL, ignore, r)
x = 1
labchk60:
IF v THEN
s = Labels(r).Scope
IF s = 0 OR s = -1 THEN 'main scope?
IF s = -1 THEN Labels(r).Scope = 0 'acquire scope
x = 0 'already defined
tlayout$ = RTRIM$(Labels(r).cn)
Labels(r).Scope_Restriction = subfuncn
Labels(r).Error_Line = linenumber
ELSE
IF v = 2 THEN v = HashFindCont(ignore, r): GOTO labchk60
END IF
END IF
IF x THEN
'does not exist
nLabels = nLabels + 1: IF nLabels > Labels_Ubound THEN Labels_Ubound = Labels_Ubound * 2: REDIM _PRESERVE Labels(1 TO Labels_Ubound) AS Label_Type
Labels(nLabels) = Empty_Label
HashAdd a2$, HASHFLAG_LABEL, nLabels
r = nLabels
Labels(r).State = 0
Labels(r).cn = tlayout$
Labels(r).Scope = 0
Labels(r).Error_Line = linenumber
Labels(r).Scope_Restriction = subfuncn
END IF 'x
l$ = l$ + "GOSUB" + sp + tlayout$
PRINT #25, "if(timer_event_id==" + str2$(ontimerid) + ")goto LABEL_" + a2$ + ";"
PRINT #24, "case " + str2$(ontimerid) + ":"
PRINT #24, "timer_event_occurred++;"
PRINT #24, "timer_event_id=" + str2$(ontimerid) + ";"
PRINT #24, "timer_event_occurred++;"
PRINT #24, "return_point[next_return_point++]=0;"
PRINT #24, "if (next_return_point>=return_points) more_return_points();"
PRINT #24, "QBMAIN(NULL);"
PRINT #24, "break;"
'call validlabel (to validate the label) [see goto]
'increment ontimerid
'use ontimerid to generate the jumper routine
'etc.
IF LEN(layout$) = 0 THEN layout$ = l$ ELSE layout$ = layout$ + sp + l$
layoutdone = 1
GOTO finishedline
ELSE
'establish whether sub a2$ exists using try
x = 0
try = findid(a2$)
IF Error_Happened THEN GOTO errmes
DO WHILE try
IF id.subfunc = 2 THEN x = 1: EXIT DO
IF try = 2 THEN findanotherid = 1: try = findid(a2$) ELSE try = 0
IF Error_Happened THEN GOTO errmes
LOOP
IF x = 0 THEN a$ = "Expected GOSUB/sub": GOTO errmes
l$ = l$ + RTRIM$(id.cn)
PRINT #24, "case " + str2$(ontimerid) + ":"
PRINT #24, RTRIM$(id.callname) + "(";
IF id.args > 1 THEN a$ = "SUB requires more than one argument": GOTO errmes
IF i > n THEN
IF id.args = 1 THEN a$ = "Expected argument after SUB": GOTO errmes
PRINT #12, "0);"
PRINT #24, ");"
ELSE
IF id.args = 0 THEN a$ = "SUB has no arguments": GOTO errmes
t = CVL(id.arg)
B = t AND 511
IF B = 0 OR (t AND ISARRAY) <> 0 OR (t AND ISFLOAT) <> 0 OR (t AND ISSTRING) <> 0 OR (t AND ISOFFSETINBITS) <> 0 THEN a$ = "Only SUB arguments of integer-type allowed": GOTO errmes
IF B = 8 THEN ct$ = "int8"
IF B = 16 THEN ct$ = "int16"
IF B = 32 THEN ct$ = "int32"
IF B = 64 THEN ct$ = "int64"
IF t AND ISOFFSET THEN ct$ = "ptrszint"
IF t AND ISUNSIGNED THEN ct$ = "u" + ct$
PRINT #24, "(" + ct$ + "*)&i64);"
e$ = getelements$(ca$, i, n)
e$ = fixoperationorder$(e$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp + tlayout$
e$ = evaluatetotyp(e$, INTEGER64TYPE - ISPOINTER)
IF Error_Happened THEN GOTO errmes
PRINT #12, e$ + ");"
END IF
PRINT #24, "break;"
IF LEN(layout$) = 0 THEN layout$ = l$ ELSE layout$ = layout$ + sp + l$
layoutdone = 1
GOTO finishedline
END IF
END IF
END IF
IF n >= 2 THEN
IF firstelement$ = "ON" AND secondelement$ = "KEY" THEN
i = 3
IF i > n THEN a$ = "Expected (": GOTO errmes
a2$ = getelement$(ca$, i): i = i + 1
IF a2$ <> "(" THEN a$ = "Expected (": GOTO errmes
l$ = "ON" + sp + "KEY" + sp2 + "("
IF i > n THEN a$ = "Expected ...": GOTO errmes
B = 0
x = 0
e2$ = ""
FOR i = i TO n
e$ = getelement$(ca$, i)
a = ASC(e$)
IF a = 40 THEN B = B + 1
IF a = 41 THEN B = B - 1
IF B = -1 THEN EXIT FOR
IF LEN(e2$) THEN e2$ = e2$ + sp + e$ ELSE e2$ = e$
NEXT
IF i = n + 1 THEN a$ = "Expected )": GOTO errmes
IF e2$ = "" THEN a$ = "Expected ... )": GOTO errmes
e$ = fixoperationorder$(e2$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + tlayout$ + sp2 + ")" + sp
e$ = evaluatetotyp(e$, DOUBLETYPE - ISPOINTER)
IF Error_Happened THEN GOTO errmes
PRINT #12, "onkey_setup(" + e$ + ",";
i = i + 1
IF i > n THEN a$ = "Expected GOSUB/sub-name": GOTO errmes
a2$ = getelement$(a$, i): i = i + 1
onkeyid = onkeyid + 1
PRINT #12, str2$(onkeyid) + ",";
IF a2$ = "GOSUB" THEN
IF i > n THEN a$ = "Expected linenumber/label": GOTO errmes
a2$ = getelement$(ca$, i): i = i + 1
PRINT #12, "0);"
IF validlabel(a2$) = 0 THEN a$ = "Invalid label": GOTO errmes
v = HashFind(a2$, HASHFLAG_LABEL, ignore, r)
x = 1
labchk61:
IF v THEN
s = Labels(r).Scope
IF s = 0 OR s = -1 THEN 'main scope?
IF s = -1 THEN Labels(r).Scope = 0 'acquire scope
x = 0 'already defined
tlayout$ = RTRIM$(Labels(r).cn)
Labels(r).Scope_Restriction = subfuncn
Labels(r).Error_Line = linenumber
ELSE
IF v = 2 THEN v = HashFindCont(ignore, r): GOTO labchk61
END IF
END IF
IF x THEN
'does not exist
nLabels = nLabels + 1: IF nLabels > Labels_Ubound THEN Labels_Ubound = Labels_Ubound * 2: REDIM _PRESERVE Labels(1 TO Labels_Ubound) AS Label_Type
Labels(nLabels) = Empty_Label
HashAdd a2$, HASHFLAG_LABEL, nLabels
r = nLabels
Labels(r).State = 0
Labels(r).cn = tlayout$
Labels(r).Scope = 0
Labels(r).Error_Line = linenumber
Labels(r).Scope_Restriction = subfuncn
END IF 'x
l$ = l$ + "GOSUB" + sp + tlayout$
PRINT #28, "if(key_event_id==" + str2$(onkeyid) + ")goto LABEL_" + a2$ + ";"
PRINT #27, "case " + str2$(onkeyid) + ":"
PRINT #27, "key_event_occurred++;"
PRINT #27, "key_event_id=" + str2$(onkeyid) + ";"
PRINT #27, "key_event_occurred++;"
PRINT #27, "return_point[next_return_point++]=0;"
PRINT #27, "if (next_return_point>=return_points) more_return_points();"
PRINT #27, "QBMAIN(NULL);"
PRINT #27, "break;"
IF LEN(layout$) = 0 THEN layout$ = l$ ELSE layout$ = layout$ + sp + l$
layoutdone = 1
GOTO finishedline
ELSE
'establish whether sub a2$ exists using try
x = 0
try = findid(a2$)
IF Error_Happened THEN GOTO errmes
DO WHILE try
IF id.subfunc = 2 THEN x = 1: EXIT DO
IF try = 2 THEN findanotherid = 1: try = findid(a2$) ELSE try = 0
IF Error_Happened THEN GOTO errmes
LOOP
IF x = 0 THEN a$ = "Expected GOSUB/sub": GOTO errmes
l$ = l$ + RTRIM$(id.cn)
PRINT #27, "case " + str2$(onkeyid) + ":"
PRINT #27, RTRIM$(id.callname) + "(";
IF id.args > 1 THEN a$ = "SUB requires more than one argument": GOTO errmes
IF i > n THEN
IF id.args = 1 THEN a$ = "Expected argument after SUB": GOTO errmes
PRINT #12, "0);"
PRINT #27, ");"
ELSE
IF id.args = 0 THEN a$ = "SUB has no arguments": GOTO errmes
t = CVL(id.arg)
B = t AND 511
IF B = 0 OR (t AND ISARRAY) <> 0 OR (t AND ISFLOAT) <> 0 OR (t AND ISSTRING) <> 0 OR (t AND ISOFFSETINBITS) <> 0 THEN a$ = "Only SUB arguments of integer-type allowed": GOTO errmes
IF B = 8 THEN ct$ = "int8"
IF B = 16 THEN ct$ = "int16"
IF B = 32 THEN ct$ = "int32"
IF B = 64 THEN ct$ = "int64"
IF t AND ISOFFSET THEN ct$ = "ptrszint"
IF t AND ISUNSIGNED THEN ct$ = "u" + ct$
PRINT #27, "(" + ct$ + "*)&i64);"
e$ = getelements$(ca$, i, n)
e$ = fixoperationorder$(e$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp + tlayout$
e$ = evaluatetotyp(e$, INTEGER64TYPE - ISPOINTER)
IF Error_Happened THEN GOTO errmes
PRINT #12, e$ + ");"
END IF
PRINT #27, "break;"
IF LEN(layout$) = 0 THEN layout$ = l$ ELSE layout$ = layout$ + sp + l$
layoutdone = 1
GOTO finishedline
END IF
END IF
END IF
'SHARED (SUB)
IF n >= 1 THEN
IF firstelement$ = "SHARED" THEN
IF n = 1 THEN a$ = "Expected SHARED ...": GOTO errmes
i = 2
IF subfuncn = 0 THEN a$ = "SHARED must be used within a SUB/FUNCTION": GOTO errmes
l$ = "SHARED"
subfuncshr:
'get variable name
n$ = getelement$(ca$, i): i = i + 1
IF n$ = "" THEN a$ = "Expected SHARED variable-name": GOTO errmes
s$ = removesymbol(n$)
IF Error_Happened THEN GOTO errmes
l2$ = s$ 'either symbol or nothing
'array?
a = 0
IF getelement$(a$, i) = "(" THEN
IF getelement$(a$, i + 1) <> ")" THEN a$ = "Expected ()": GOTO errmes
i = i + 2
a = 1
l2$ = l2$ + sp2 + "(" + sp2 + ")"
END IF
method = 1
'specific type?
t$ = ""
ts$ = ""
t3$ = ""
IF getelement$(a$, i) = "AS" THEN
l2$ = l2$ + sp + "AS"
getshrtyp:
i = i + 1
t2$ = getelement$(a$, i)
IF t2$ <> "," AND t2$ <> "" THEN
IF t$ = "" THEN t$ = t2$ ELSE t$ = t$ + " " + t2$
IF t3$ = "" THEN t3$ = t2$ ELSE t3$ = t3$ + sp + t2$
GOTO getshrtyp
END IF
IF t$ = "" THEN a$ = "Expected AS type": GOTO errmes
t = typname2typ(t$)
IF Error_Happened THEN GOTO errmes
IF t AND ISINCONVENTIONALMEMORY THEN t = t - ISINCONVENTIONALMEMORY
IF t AND ISPOINTER THEN t = t - ISPOINTER
IF t AND ISREFERENCE THEN t = t - ISREFERENCE
tsize = typname2typsize
method = 0
IF (t AND ISUDT) = 0 THEN ts$ = type2symbol$(t$) ELSE t3$ = RTRIM$(udtxcname(t AND 511))
IF Error_Happened THEN GOTO errmes
l2$ = l2$ + sp + t3$
END IF 'as
IF LEN(s$) <> 0 AND LEN(t$) <> 0 THEN a$ = "Expected symbol or AS type after variable name": GOTO errmes
'no symbol of type specified, apply default
IF s$ = "" AND t$ = "" THEN
IF LEFT$(n$, 1) = "_" THEN v = 27 ELSE v = ASC(UCASE$(n$)) - 64
s$ = defineextaz(v)
END IF
'switch to main module
oldsubfunc$ = subfunc$
subfunc$ = ""
defdatahandle = 18
CLOSE #13: OPEN tmpdir$ + "maindata.txt" FOR APPEND AS #13
CLOSE #19: OPEN tmpdir$ + "mainfree.txt" FOR APPEND AS #19
'use 'try' to locate the variable (if it already exists)
n2$ = n$ + s$ + ts$ 'note: either ts$ or s$ will exist unless it is a UDT
try = findid(n2$)
IF Error_Happened THEN GOTO errmes
DO WHILE try
IF a THEN
'an array
IF id.arraytype THEN
IF LEN(t$) = 0 THEN GOTO shrfound
t2 = id.arraytype: t2size = id.tsize
IF t2 AND ISINCONVENTIONALMEMORY THEN t2 = t2 - ISINCONVENTIONALMEMORY
IF t2 AND ISPOINTER THEN t2 = t2 - ISPOINTER
IF t2 AND ISREFERENCE THEN t2 = t2 - ISREFERENCE
IF t = t2 AND tsize = t2size THEN GOTO shrfound
END IF
ELSE
'not an array
IF id.t THEN
IF LEN(t$) = 0 THEN GOTO shrfound
t2 = id.t: t2size = id.tsize
IF t2 AND ISINCONVENTIONALMEMORY THEN t2 = t2 - ISINCONVENTIONALMEMORY
IF t2 AND ISPOINTER THEN t2 = t2 - ISPOINTER
IF t2 AND ISREFERENCE THEN t2 = t2 - ISREFERENCE
IF Debug THEN PRINT #9, "SHARED:comparing:"; t; t2, tsize; t2size
IF t = t2 AND tsize = t2size THEN GOTO shrfound
END IF
END IF
IF try = 2 THEN findanotherid = 1: try = findid(n2$) ELSE try = 0
IF Error_Happened THEN GOTO errmes
LOOP
'unknown variable
IF a THEN a$ = "Array '" + n$ + "' not defined": GOTO errmes
'create variable
IF LEN(s$) THEN typ$ = s$ ELSE typ$ = t$
IF optionexplicit THEN a$ = "Variable '" + n$ + "' (" + symbol2fulltypename$(typ$) + ") not defined": GOTO errmes
retval = dim2(n$, typ$, method, "")
IF Error_Happened THEN GOTO errmes
'note: variable created!
shrfound:
l$ = l$ + sp + RTRIM$(id.cn) + l2$
ids(currentid).share = ids(currentid).share OR 2 'set as temporarily shared
'method must apply to the current sub/function regardless of how the variable was defined in 'main'
lmay = LEN(RTRIM$(id.mayhave)): lmust = LEN(RTRIM$(id.musthave))
IF lmay <> 0 OR lmust <> 0 THEN
IF (method = 1 AND lmust = 0) OR (method = 0 AND lmay = 0) THEN
revertmaymusthaven = revertmaymusthaven + 1
revertmaymusthave(revertmaymusthaven) = currentid
SWAP ids(currentid).musthave, ids(currentid).mayhave
END IF
END IF
'switch back to sub/func
subfunc$ = oldsubfunc$
defdatahandle = 13
CLOSE #13: OPEN tmpdir$ + "data" + str2$(subfuncn) + ".txt" FOR APPEND AS #13
CLOSE #19: OPEN tmpdir$ + "free" + str2$(subfuncn) + ".txt" FOR APPEND AS #19
IF getelement$(a$, i) = "," THEN i = i + 1: l$ = l$ + sp2 + ",": GOTO subfuncshr
IF getelement$(a$, i) <> "" THEN a$ = "Expected ,": GOTO errmes
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
END IF
'EXIT SUB/FUNCTION
IF n = 2 THEN
IF firstelement$ = "EXIT" THEN
sf = 0
IF secondelement$ = "FUNCTION" THEN sf = 1
IF secondelement$ = "SUB" THEN sf = 2
IF sf THEN
IF LEN(subfunc) = 0 THEN a$ = "EXIT " + secondelement$ + " must be used within a SUB/FUNCTION": GOTO errmes
PRINT #12, "goto exit_subfunc;"
l$ = firstelement$ + sp + secondelement$
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
END IF
END IF
'_ECHO checking
IF firstelement$ = "_ECHO" THEN
IF Console = 0 THEN
a$ = "_ECHO requires $CONSOLE or $CONSOLE:ONLY to be set first": GOTO errmes
END IF
END IF
'ASC statement (fully inline)
IF n >= 1 THEN
IF firstelement$ = "ASC" THEN
IF getelement$(a$, 2) <> "(" THEN a$ = "Expected ( after ASC": GOTO errmes
'calculate 3 parts
useposition = 0
part = 1
i = 3
a3$ = ""
stringvariable$ = ""
position$ = ""
B = 0
DO
IF i > n THEN 'got part 3
IF part <> 3 OR LEN(a3$) = 0 THEN a$ = "Expected ASC ( ... , ... ) = ...": GOTO errmes
expression$ = a3$
EXIT DO
END IF
a2$ = getelement$(ca$, i)
IF a2$ = "(" THEN B = B + 1
IF a2$ = ")" THEN B = B - 1
IF B = -1 THEN
IF part = 1 THEN 'eg. ASC(a$)=65
IF getelement$(a$, i + 1) <> "=" THEN a$ = "Expected =": GOTO errmes
stringvariable$ = a3$
position$ = "1"
part = 3: a3$ = "": i = i + 1: GOTO ascgotpart
END IF
IF part = 2 THEN 'eg. ASC(a$,i)=65
IF getelement$(a$, i + 1) <> "=" THEN a$ = "Expected =": GOTO errmes
useposition = 1
position$ = a3$
part = 3: a3$ = "": i = i + 1: GOTO ascgotpart
END IF
'fall through, already in part 3
END IF
IF a2$ = "," AND B = 0 THEN
IF part = 1 THEN stringvariable$ = a3$: part = 2: a3$ = "": GOTO ascgotpart
END IF
IF LEN(a3$) THEN a3$ = a3$ + sp + a2$ ELSE a3$ = a2$
ascgotpart:
i = i + 1
LOOP
IF LEN(stringvariable$) = 0 OR LEN(position$) = 0 THEN a$ = "Expected ASC ( ... , ... ) = ...": GOTO errmes
'validate stringvariable$
stringvariable$ = fixoperationorder$(stringvariable$)
IF Error_Happened THEN GOTO errmes
l$ = "ASC" + sp2 + "(" + sp2 + tlayout$
e$ = evaluate(stringvariable$, sourcetyp)
IF Error_Happened THEN GOTO errmes
IF (sourcetyp AND ISREFERENCE) = 0 OR (sourcetyp AND ISSTRING) = 0 THEN a$ = "Expected ASC ( string-variable , ...": GOTO errmes
stringvariable$ = evaluatetotyp(stringvariable$, ISSTRING)
IF Error_Happened THEN GOTO errmes
IF position$ = "1" THEN
IF useposition THEN l$ = l$ + sp2 + "," + sp + "1" + sp2 + ")" + sp + "=" ELSE l$ = l$ + sp2 + ")" + sp + "="
PRINT #12, "tqbs=" + stringvariable$ + "; if (!new_error){"
e$ = fixoperationorder$(expression$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp + tlayout$
e$ = evaluatetotyp(e$, 32&)
IF Error_Happened THEN GOTO errmes
PRINT #12, "tmp_long=" + e$ + "; if (!new_error){"
PRINT #12, "if (tqbs->len){tqbs->chr[0]=tmp_long;}else{error(5);}"
PRINT #12, "}}"
ELSE
PRINT #12, "tqbs=" + stringvariable$ + "; if (!new_error){"
e$ = fixoperationorder$(position$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + "," + sp + tlayout$ + sp2 + ")" + sp + "="
e$ = evaluatetotyp(e$, 32&)
IF Error_Happened THEN GOTO errmes
PRINT #12, "tmp_fileno=" + e$ + "; if (!new_error){"
e$ = fixoperationorder$(expression$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp + tlayout$
e$ = evaluatetotyp(e$, 32&)
IF Error_Happened THEN GOTO errmes
PRINT #12, "tmp_long=" + e$ + "; if (!new_error){"
PRINT #12, "if ((tmp_fileno>0)&&(tmp_fileno<=tqbs->len)){tqbs->chr[tmp_fileno-1]=tmp_long;}else{error(5);}"
PRINT #12, "}}}"
END IF
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
END IF
'MID$ statement
IF n >= 1 THEN
IF firstelement$ = "MID$" THEN
IF getelement$(a$, 2) <> "(" THEN a$ = "Expected ( after MID$": GOTO errmes
'calculate 4 parts
length$ = ""
part = 1
i = 3
a3$ = ""
stringvariable$ = ""
start$ = ""
B = 0
DO
IF i > n THEN
IF part <> 4 OR a3$ = "" THEN a$ = "Expected MID$(...)=...": GOTO errmes
stringexpression$ = a3$
EXIT DO
END IF
a2$ = getelement$(ca$, i)
IF a2$ = "(" THEN B = B + 1
IF a2$ = ")" THEN B = B - 1
IF B = -1 THEN
IF part = 2 THEN
IF getelement$(a$, i + 1) <> "=" THEN a$ = "Expected = after )": GOTO errmes
start$ = a3$: part = 4: a3$ = "": i = i + 1: GOTO midgotpart
END IF
IF part = 3 THEN
IF getelement$(a$, i + 1) <> "=" THEN a$ = "Expected = after )": GOTO errmes
IF a3$ = "" THEN a$ = "Omit , before ) if omitting length in MID$ statement": GOTO errmes
length$ = a3$: part = 4: a3$ = "": i = i + 1: GOTO midgotpart
END IF
END IF
IF a2$ = "," AND B = 0 THEN
IF part = 1 THEN stringvariable$ = a3$: part = 2: a3$ = "": GOTO midgotpart
IF part = 2 THEN start$ = a3$: part = 3: a3$ = "": GOTO midgotpart
END IF
IF LEN(a3$) THEN a3$ = a3$ + sp + a2$ ELSE a3$ = a2$
midgotpart:
i = i + 1
LOOP
IF stringvariable$ = "" THEN a$ = "Syntax error": GOTO errmes
IF start$ = "" THEN a$ = "Syntax error": GOTO errmes
'check if it is a valid source string
stringvariable$ = fixoperationorder$(stringvariable$)
IF Error_Happened THEN GOTO errmes
l$ = "MID$" + sp2 + "(" + sp2 + tlayout$
e$ = evaluate(stringvariable$, sourcetyp)
IF Error_Happened THEN GOTO errmes
IF (sourcetyp AND ISREFERENCE) = 0 OR (sourcetyp AND ISSTRING) = 0 THEN a$ = "MID$ expects a string variable/array-element as its first argument": GOTO errmes
stringvariable$ = evaluatetotyp(stringvariable$, ISSTRING)
IF Error_Happened THEN GOTO errmes
start$ = fixoperationorder$(start$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + "," + sp + tlayout$
start$ = evaluatetotyp((start$), 32&)
stringexpression$ = fixoperationorder$(stringexpression$)
IF Error_Happened THEN GOTO errmes
l2$ = tlayout$
stringexpression$ = evaluatetotyp(stringexpression$, ISSTRING)
IF Error_Happened THEN GOTO errmes
IF LEN(length$) THEN
length$ = fixoperationorder$(length$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + "," + sp + tlayout$
length$ = evaluatetotyp(length$, 32&)
IF Error_Happened THEN GOTO errmes
PRINT #12, "sub_mid(" + stringvariable$ + "," + start$ + "," + length$ + "," + stringexpression$ + ",1);"
ELSE
PRINT #12, "sub_mid(" + stringvariable$ + "," + start$ + ",0," + stringexpression$ + ",0);"
END IF
l$ = l$ + sp2 + ")" + sp + "=" + sp + l2$
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
END IF
IF n >= 2 THEN
IF firstelement$ = "ERASE" THEN
i = 2
l$ = "ERASE"
erasenextarray:
var$ = getelement$(ca$, i)
x$ = var$: ls$ = removesymbol(x$)
IF Error_Happened THEN GOTO errmes
IF FindArray(var$) THEN
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp + RTRIM$(id.cn) + ls$
'erase the array
clearerase:
n$ = RTRIM$(id.callname)
bytesperelement$ = str2((id.arraytype AND 511) \ 8)
IF id.arraytype AND ISSTRING THEN bytesperelement$ = str2(id.tsize)
IF id.arraytype AND ISOFFSETINBITS THEN bytesperelement$ = str2((id.arraytype AND 511)) + "/8+1"
IF id.arraytype AND ISUDT THEN
bytesperelement$ = str2(udtxsize(id.arraytype AND 511) \ 8)
END IF
PRINT #12, "if (" + n$ + "[2]&1){" 'array is defined
PRINT #12, "if (" + n$ + "[2]&2){" 'array is static
IF (id.arraytype AND ISSTRING) <> 0 AND (id.arraytype AND ISFIXEDLENGTH) = 0 THEN
PRINT #12, "tmp_long=";
FOR i2 = 1 TO ABS(id.arrayelements)
IF i2 <> 1 THEN PRINT #12, "*";
PRINT #12, n$ + "[" + str2(i2 * 4 - 4 + 5) + "]";
NEXT
PRINT #12, ";"
PRINT #12, "while(tmp_long--){"
PRINT #12, "((qbs*)(((uint64*)(" + n$ + "[0]))[tmp_long]))->len=0;"
PRINT #12, "}"
ELSE
'numeric
'clear array
PRINT #12, "memset((void*)(" + n$ + "[0]),0,";
FOR i2 = 1 TO ABS(id.arrayelements)
IF i2 <> 1 THEN PRINT #12, "*";
PRINT #12, n$ + "[" + str2(i2 * 4 - 4 + 5) + "]";
NEXT
PRINT #12, "*" + bytesperelement$ + ");"
END IF
PRINT #12, "}else{" 'array is dynamic
'1. free memory & any allocated strings
IF (id.arraytype AND ISSTRING) <> 0 AND (id.arraytype AND ISFIXEDLENGTH) = 0 THEN
'free strings
PRINT #12, "tmp_long=";
FOR i2 = 1 TO ABS(id.arrayelements)
IF i2 <> 1 THEN PRINT #12, "*";
PRINT #12, n$ + "[" + str2(i2 * 4 - 4 + 5) + "]";
NEXT
PRINT #12, ";"
PRINT #12, "while(tmp_long--){"
PRINT #12, "qbs_free((qbs*)(((uint64*)(" + n$ + "[0]))[tmp_long]));"
PRINT #12, "}"
'free memory
PRINT #12, "free((void*)(" + n$ + "[0]));"
ELSE
'free memory
PRINT #12, "if (" + n$ + "[2]&4){" 'cmem array
PRINT #12, "cmem_dynamic_free((uint8*)(" + n$ + "[0]));"
PRINT #12, "}else{" 'non-cmem array
PRINT #12, "free((void*)(" + n$ + "[0]));"
PRINT #12, "}"
END IF
'2. set array (and its elements) as undefined
PRINT #12, n$ + "[2]^=1;" 'remove defined flag, keeping other flags (such as cmem)
'set dimensions as undefined
FOR i2 = 1 TO ABS(id.arrayelements)
B = i2 * 4
PRINT #12, n$ + "[" + str2(B) + "]=2147483647;" 'base
PRINT #12, n$ + "[" + str2(B + 1) + "]=0;" 'num. index
PRINT #12, n$ + "[" + str2(B + 2) + "]=0;" 'multiplier
NEXT
IF (id.arraytype AND ISSTRING) <> 0 AND (id.arraytype AND ISFIXEDLENGTH) = 0 THEN
PRINT #12, n$ + "[0]=(ptrszint)¬hingstring;"
ELSE
PRINT #12, n$ + "[0]=(ptrszint)nothingvalue;"
END IF
PRINT #12, "}" 'static/dynamic
PRINT #12, "}" 'array is defined
IF clearerasereturn = 1 THEN clearerasereturn = 0: GOTO clearerasereturned
GOTO erasedarray
END IF
IF Error_Happened THEN GOTO errmes
a$ = "Undefined array passed to ERASE": GOTO errmes
erasedarray:
IF i < n THEN
i = i + 1: n$ = getelement$(a$, i): IF n$ <> "," THEN a$ = "Expected ,": GOTO errmes
l$ = l$ + sp2 + ","
i = i + 1: IF i > n THEN a$ = "Expected , ...": GOTO errmes
GOTO erasenextarray
END IF
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
END IF
'DIM/REDIM/STATIC
IF n >= 2 THEN
dimoption = 0: redimoption = 0: commonoption = 0
IF firstelement$ = "DIM" THEN dimoption = 1
IF firstelement$ = "REDIM" THEN
dimoption = 2: redimoption = 1
IF secondelement$ = "_PRESERVE" THEN
redimoption = 2
IF n = 2 THEN a$ = "Expected REDIM _PRESERVE ...": GOTO errmes
END IF
END IF
IF firstelement$ = "STATIC" THEN dimoption = 3
IF firstelement$ = "COMMON" THEN dimoption = 1: commonoption = 1
IF dimoption THEN
l$ = firstelement$
IF dimoption = 3 AND subfuncn = 0 THEN a$ = "STATIC must be used within a SUB/FUNCTION": GOTO errmes
IF commonoption = 1 AND subfuncn <> 0 THEN a$ = "COMMON cannot be used within a SUB/FUNCTION": GOTO errmes
i = 2
IF redimoption = 2 THEN i = 3: l$ = l$ + sp + "_PRESERVE"
IF dimoption <> 3 THEN 'shared cannot be static
a2$ = getelement(a$, i)
IF a2$ = "SHARED" THEN
IF subfuncn <> 0 THEN a$ = "DIM/REDIM SHARED invalid within a SUB/FUNCTION": GOTO errmes
dimshared = 1
i = i + 1
l$ = l$ + sp + a2$
END IF
END IF
IF dimoption = 3 THEN dimstatic = 1: AllowLocalName = 1
dimnext:
notype = 0
listarray = 0
'old chain code
'chaincommonarray=0
varname$ = getelement(ca$, i): i = i + 1
IF varname$ = "" THEN a$ = "Expected variable-name": GOTO errmes
'get the next element
IF i >= n + 1 THEN e$ = "" ELSE e$ = getelement(a$, i): i = i + 1
'check if next element is a ( to create an array
elements$ = ""
IF e$ = "(" THEN
B = 1
FOR i = i TO n
e$ = getelement(ca$, i)
IF e$ = "(" THEN B = B + 1
IF e$ = ")" THEN B = B - 1
IF B = 0 THEN EXIT FOR
IF LEN(elements$) THEN elements$ = elements$ + sp + e$ ELSE elements$ = e$
NEXT
IF B <> 0 THEN a$ = "Expected )": GOTO errmes
i = i + 1 'set i to point to the next element
IF commonoption THEN elements$ = "?"
IF Debug THEN PRINT #9, "DIM2:array:elements$:[" + elements$ + "]"
'arrayname() means list array to it will automatically be static when it is formally dimensioned later
'note: listed arrays are always created in dynamic memory, but their contents are not erased
' this differs from static arrays from SUB...STATIC and the unique QB64 method -> STATIC arrayname(100)
IF dimoption = 3 THEN 'STATIC used
IF LEN(elements$) = 0 THEN 'nothing between brackets
listarray = 1 'add to static list
END IF
END IF
'last element was ")"
'get next element
IF i >= n + 1 THEN e$ = "" ELSE e$ = getelement(a$, i): i = i + 1
END IF 'e$="("
d$ = e$
dimmethod = 0
appendname$ = "" 'the symbol to append to name returned by dim2
appendtype$ = "" 'eg. sp+AS+spINTEGER
dim2typepassback$ = ""
'does varname have an appended symbol?
s$ = removesymbol$(varname$)
IF Error_Happened THEN GOTO errmes
IF validname(varname$) = 0 THEN a$ = "Invalid variable name": GOTO errmes
IF s$ <> "" THEN
typ$ = s$
dimmethod = 1
appendname$ = typ$
GOTO dimgottyp
END IF
IF d$ = "AS" THEN
appendtype$ = sp + "AS"
typ$ = ""
FOR i = i TO n
d$ = getelement(a$, i)
IF d$ = "," THEN i = i + 1: EXIT FOR
typ$ = typ$ + d$ + " "
appendtype$ = appendtype$ + sp + d$
d$ = ""
NEXT
appendtype$ = UCASE$(appendtype$) 'capitalise default types (udt override this later if necessary)
typ$ = RTRIM$(typ$)
GOTO dimgottyp
END IF
'auto-define type based on name
notype = 1
IF LEFT$(varname$, 1) = "_" THEN v = 27 ELSE v = ASC(UCASE$(varname$)) - 64
typ$ = defineaz(v)
dimmethod = 1
GOTO dimgottyp
dimgottyp:
IF d$ <> "" AND d$ <> "," THEN a$ = "DIM: Expected comma!": GOTO errmes
'In QBASIC, if no type info is given it can refer to an expeicit/formally defined array
IF notype <> 0 AND dimoption <> 3 AND dimoption <> 1 THEN 'not DIM or STATIC which only create new content
IF LEN(elements$) THEN 'an array
IF FindArray(varname$) THEN
IF LEN(RTRIM$(id.mayhave)) THEN 'explict/formally defined
typ$ = id2fulltypename$ 'adopt type
dimmethod = 0 'set as formally defined
END IF
END IF
END IF
END IF
IF dimoption = 3 AND LEN(elements$) THEN 'eg. STATIC a(100)
'does a conflicting array exist? (use findarray) if so again this should lead to duplicate definition
typ2$ = symbol2fulltypename$(typ$)
t = typname2typ(typ2$): ts = typname2typsize
'try name without any extension
IF FindArray(varname$) THEN 'name without any symbol
IF id.insubfuncn = subfuncn THEN 'global cannot conflict with static
IF LEN(RTRIM$(id.musthave)) THEN
'if types match then fail
IF (id.arraytype AND (ISFLOAT + ISUDT + 511 + ISUNSIGNED + ISSTRING + ISFIXEDLENGTH)) = (t AND (ISFLOAT + ISUDT + 511 + ISUNSIGNED + ISSTRING + ISFIXEDLENGTH)) THEN
IF ts = id.tsize THEN
a$ = "Name already in use": GOTO errmes
END IF
END IF
ELSE
IF dimmethod = 0 THEN
a$ = "Name already in use": GOTO errmes 'explicit over explicit
ELSE
'if types match then fail
IF (id.arraytype AND (ISFLOAT + ISUDT + 511 + ISUNSIGNED + ISSTRING + ISFIXEDLENGTH)) = (t AND (ISFLOAT + ISUDT + 511 + ISUNSIGNED + ISSTRING + ISFIXEDLENGTH)) THEN
IF ts = id.tsize THEN
a$ = "Name already in use": GOTO errmes
END IF
END IF
END IF
END IF
END IF
END IF
'add extension (if possible)
IF (t AND ISUDT) = 0 THEN
s2$ = type2symbol$(typ2$)
IF Error_Happened THEN GOTO errmes
IF FindArray(varname$ + s2$) THEN
IF id.insubfuncn = subfuncn THEN 'global cannot conflict with static
IF LEN(RTRIM$(id.musthave)) THEN
'if types match then fail
IF (id.arraytype AND (ISFLOAT + ISUDT + 511 + ISUNSIGNED + ISSTRING + ISFIXEDLENGTH)) = (t AND (ISFLOAT + ISUDT + 511 + ISUNSIGNED + ISSTRING + ISFIXEDLENGTH)) THEN
IF ts = id.tsize THEN
a$ = "Name already in use": GOTO errmes
END IF
END IF
ELSE
IF dimmethod = 0 THEN
a$ = "Name already in use": GOTO errmes 'explicit over explicit
ELSE
'if types match then fail
IF (id.arraytype AND (ISFLOAT + ISUDT + 511 + ISUNSIGNED + ISSTRING + ISFIXEDLENGTH)) = (t AND (ISFLOAT + ISUDT + 511 + ISUNSIGNED + ISSTRING + ISFIXEDLENGTH)) THEN
IF ts = id.tsize THEN
a$ = "Name already in use": GOTO errmes
END IF
END IF
END IF
END IF
END IF
END IF
END IF 'not a UDT
END IF
IF listarray THEN 'eg. STATIC a()
'note: list is cleared by END SUB/FUNCTION
'is a conflicting array already listed? if so this should cause a duplicate definition error
'check for conflict within list:
xi = 1
FOR x = 1 TO staticarraylistn
varname2$ = getelement$(staticarraylist, xi): xi = xi + 1
typ2$ = getelement$(staticarraylist, xi): xi = xi + 1
dimmethod2 = VAL(getelement$(staticarraylist, xi)): xi = xi + 1
'check if they are similar
IF UCASE$(varname$) = UCASE$(varname2$) THEN
IF dimmethod2 = 1 THEN
'old using symbol
IF symbol2fulltypename$(typ$) = typ2$ THEN a$ = "Name already in use": GOTO errmes
ELSE
'old using AS
IF dimmethod = 0 THEN
a$ = "Name already in use": GOTO errmes
ELSE
IF symbol2fulltypename$(typ$) = typ2$ THEN a$ = "Name already in use": GOTO errmes
END IF
END IF
END IF
NEXT
'does a conflicting array exist? (use findarray) if so again this should lead to duplicate definition
typ2$ = symbol2fulltypename$(typ$)
t = typname2typ(typ2$): ts = typname2typsize
'try name without any extension
IF FindArray(varname$) THEN 'name without any symbol
IF id.insubfuncn = subfuncn THEN 'global cannot conflict with static
IF LEN(RTRIM$(id.musthave)) THEN
'if types match then fail
IF (id.arraytype AND (ISFLOAT + ISUDT + 511 + ISUNSIGNED + ISSTRING + ISFIXEDLENGTH)) = (t AND (ISFLOAT + ISUDT + 511 + ISUNSIGNED + ISSTRING + ISFIXEDLENGTH)) THEN
IF ts = id.tsize THEN
a$ = "Name already in use": GOTO errmes
END IF
END IF
ELSE
IF dimmethod = 0 THEN
a$ = "Name already in use": GOTO errmes 'explicit over explicit
ELSE
'if types match then fail
IF (id.arraytype AND (ISFLOAT + ISUDT + 511 + ISUNSIGNED + ISSTRING + ISFIXEDLENGTH)) = (t AND (ISFLOAT + ISUDT + 511 + ISUNSIGNED + ISSTRING + ISFIXEDLENGTH)) THEN
IF ts = id.tsize THEN
a$ = "Name already in use": GOTO errmes
END IF
END IF
END IF
END IF
END IF
END IF
'add extension (if possible)
IF (t AND ISUDT) = 0 THEN
s2$ = type2symbol$(typ2$)
IF Error_Happened THEN GOTO errmes
IF FindArray(varname$ + s2$) THEN
IF id.insubfuncn = subfuncn THEN 'global cannot conflict with static
IF LEN(RTRIM$(id.musthave)) THEN
'if types match then fail
IF (id.arraytype AND (ISFLOAT + ISUDT + 511 + ISUNSIGNED + ISSTRING + ISFIXEDLENGTH)) = (t AND (ISFLOAT + ISUDT + 511 + ISUNSIGNED + ISSTRING + ISFIXEDLENGTH)) THEN
IF ts = id.tsize THEN
a$ = "Name already in use": GOTO errmes
END IF
END IF
ELSE
IF dimmethod = 0 THEN
a$ = "Name already in use": GOTO errmes 'explicit over explicit
ELSE
'if types match then fail
IF (id.arraytype AND (ISFLOAT + ISUDT + 511 + ISUNSIGNED + ISSTRING + ISFIXEDLENGTH)) = (t AND (ISFLOAT + ISUDT + 511 + ISUNSIGNED + ISSTRING + ISFIXEDLENGTH)) THEN
IF ts = id.tsize THEN
a$ = "Name already in use": GOTO errmes
END IF
END IF
END IF
END IF
END IF
END IF
END IF 'not a UDT
'note: static list arrays cannot be created until they are formally [or informally] (RE)DIM'd later
IF LEN(staticarraylist) THEN staticarraylist = staticarraylist + sp
staticarraylist = staticarraylist + varname$ + sp + symbol2fulltypename$(typ$) + sp + str2(dimmethod)
IF Error_Happened THEN GOTO errmes
staticarraylistn = staticarraylistn + 1
l$ = l$ + sp + varname$ + appendname$ + sp2 + "(" + sp2 + ")" + appendtype$
'note: none of the following code is run, dim2 call is also skipped
ELSE
olddimstatic = dimstatic
'check if varname is on the static list
IF LEN(elements$) THEN 'it's an array
IF subfuncn THEN 'it's in a sub/function
xi = 1
FOR x = 1 TO staticarraylistn
varname2$ = getelement$(staticarraylist, xi): xi = xi + 1
typ2$ = getelement$(staticarraylist, xi): xi = xi + 1
dimmethod2 = VAL(getelement$(staticarraylist, xi)): xi = xi + 1
'check if they are similar
IF UCASE$(varname$) = UCASE$(varname2$) THEN
IF symbol2fulltypename$(typ$) = typ2$ THEN
IF Error_Happened THEN GOTO errmes
IF dimmethod = dimmethod2 THEN
'match found!
varname$ = varname2$
dimstatic = 3
IF dimoption = 3 THEN a$ = "Array already listed as STATIC": GOTO errmes
END IF
END IF 'typ
END IF 'varname
NEXT
END IF
END IF
'COMMON exception
'note: COMMON alone does not imply SHARED
' if either(or both) COMMON & later DIM have SHARED, variable becomes shared
IF commonoption THEN
IF LEN(elements$) THEN
'add array to list
IF LEN(commonarraylist) THEN commonarraylist = commonarraylist + sp
'note: dimmethod distinguishes between a%(...) vs a(...) AS INTEGER
commonarraylist = commonarraylist + varname$ + sp + symbol2fulltypename$(typ$) + sp + str2(dimmethod) + sp + str2(dimshared)
IF Error_Happened THEN GOTO errmes
commonarraylistn = commonarraylistn + 1
IF Debug THEN PRINT #9, "common listed:" + varname$ + sp + symbol2fulltypename$(typ$) + sp + str2(dimmethod) + sp + str2(dimshared)
IF Error_Happened THEN GOTO errmes
x = 0
v$ = varname$
IF dimmethod = 1 THEN v$ = v$ + typ$
try = findid(v$)
IF Error_Happened THEN GOTO errmes
DO WHILE try
IF id.arraytype THEN
t = typname2typ(typ$)
IF Error_Happened THEN GOTO errmes
s = typname2typsize
match = 1
'note: dimmethod 2 is already matched
IF dimmethod = 0 THEN
t2 = id.arraytype
s2 = id.tsize
IF (t AND ISFLOAT) <> (t2 AND ISFLOAT) THEN match = 0
IF (t AND ISUNSIGNED) <> (t2 AND ISUNSIGNED) THEN match = 0
IF (t AND ISSTRING) <> (t2 AND ISSTRING) THEN match = 0
IF (t AND ISFIXEDLENGTH) <> (t2 AND ISFIXEDLENGTH) THEN match = 0
IF (t AND ISOFFSETINBITS) <> (t2 AND ISOFFSETINBITS) THEN match = 0
IF (t AND ISUDT) <> (t2 AND ISUDT) THEN match = 0
IF (t AND 511) <> (t2 AND 511) THEN match = 0
IF s <> s2 THEN match = 0
'check for implicit/explicit declaration match
oldmethod = 0: IF LEN(RTRIM$(id.musthave)) THEN oldmethod = 1
IF oldmethod <> dimmethod THEN match = 0
END IF
IF match THEN
x = currentid
IF dimshared THEN ids(x).share = 1 'share if necessary
tlayout$ = RTRIM$(id.cn) + sp + "(" + sp2 + ")"
IF dimmethod = 0 THEN
IF t AND ISUDT THEN
dim2typepassback$ = RTRIM$(udtxcname(t AND 511))
ELSE
dim2typepassback$ = typ$
DO WHILE INSTR(dim2typepassback$, " ")
ASC(dim2typepassback$, INSTR(dim2typepassback$, " ")) = ASC(sp)
LOOP
dim2typepassback$ = UCASE$(dim2typepassback$)
END IF
END IF 'method 0
EXIT DO
END IF 'match
END IF 'arraytype
IF try = 2 THEN findanotherid = 1: try = findid(v$) ELSE try = 0
IF Error_Happened THEN GOTO errmes
LOOP
IF x = 0 THEN x = idn + 1
'note: the following code only adds include directives, everything else is defered
OPEN tmpdir$ + "chain.txt" FOR APPEND AS #22
'include directive
PRINT #22, "#include " + CHR$(34) + "chain" + str2$(x) + ".txt" + CHR$(34)
CLOSE #22
'create/clear include file
OPEN tmpdir$ + "chain" + str2$(x) + ".txt" FOR OUTPUT AS #22: CLOSE #22
OPEN tmpdir$ + "inpchain.txt" FOR APPEND AS #22
'include directive
PRINT #22, "#include " + CHR$(34) + "inpchain" + str2$(x) + ".txt" + CHR$(34)
CLOSE #22
'create/clear include file
OPEN tmpdir$ + "inpchain" + str2$(x) + ".txt" FOR OUTPUT AS #22: CLOSE #22
'note: elements$="?"
IF x <> idn + 1 THEN GOTO skipdim 'array already exists
GOTO dimcommonarray
END IF
END IF
'is varname on common list?
'******
IF LEN(elements$) THEN 'it's an array
IF subfuncn = 0 THEN 'not in a sub/function
IF Debug THEN PRINT #9, "common checking:" + varname$
xi = 1
FOR x = 1 TO commonarraylistn
varname2$ = getelement$(commonarraylist, xi): xi = xi + 1
typ2$ = getelement$(commonarraylist, xi): xi = xi + 1
dimmethod2 = VAL(getelement$(commonarraylist, xi)): xi = xi + 1
dimshared2 = VAL(getelement$(commonarraylist, xi)): xi = xi + 1
IF Debug THEN PRINT #9, "common checking against:" + varname2$ + sp + typ2$ + sp + str2(dimmethod2) + sp + str2(dimshared2)
'check if they are similar
IF varname$ = varname2$ THEN
IF symbol2fulltypename$(typ$) = typ2$ THEN
IF Error_Happened THEN GOTO errmes
IF dimmethod = dimmethod2 THEN
'match found!
'enforce shared status (if necessary)
IF dimshared2 THEN dimshared = dimshared OR 2 'temp force SHARED
'old chain code
'chaincommonarray=x
END IF 'method
END IF 'typ
END IF 'varname
NEXT
END IF
END IF
dimcommonarray:
retval = dim2(varname$, typ$, dimmethod, elements$)
IF Error_Happened THEN GOTO errmes
skipdim:
IF dimshared >= 2 THEN dimshared = dimshared - 2
'non-array COMMON variable
IF commonoption <> 0 AND LEN(elements$) = 0 THEN
'CHAIN.TXT (save)
use_global_byte_elements = 1
'switch output from main.txt to chain.txt
CLOSE #12
OPEN tmpdir$ + "chain.txt" FOR APPEND AS #12
l2$ = tlayout$
PRINT #12, "int32val=1;" 'simple variable
PRINT #12, "sub_put(FF,NULL,byte_element((uint64)&int32val,4," + NewByteElement$ + "),0);"
t = id.t
bits = t AND 511
IF t AND ISUDT THEN bits = udtxsize(t AND 511)
IF t AND ISSTRING THEN
IF t AND ISFIXEDLENGTH THEN
bits = id.tsize * 8
ELSE
PRINT #12, "int64val=__STRING_" + RTRIM$(id.n) + "->len*8;"
bits = 0
END IF
END IF
IF bits THEN
PRINT #12, "int64val=" + str2$(bits) + ";" 'size in bits
END IF
PRINT #12, "sub_put(FF,NULL,byte_element((uint64)&int64val,8," + NewByteElement$ + "),0);"
'put the variable
e$ = RTRIM$(id.n)
IF (t AND ISUDT) = 0 THEN
IF t AND ISFIXEDLENGTH THEN
e$ = e$ + "$" + str2$(id.tsize)
ELSE
e$ = e$ + typevalue2symbol$(t)
IF Error_Happened THEN GOTO errmes
END IF
END IF
e$ = evaluatetotyp(fixoperationorder$(e$), -4)
IF Error_Happened THEN GOTO errmes
PRINT #12, "sub_put(FF,NULL," + e$ + ",0);"
tlayout$ = l2$
'revert output to main.txt
CLOSE #12
OPEN tmpdir$ + "main.txt" FOR APPEND AS #12
'INPCHAIN.TXT (load)
'switch output from main.txt to chain.txt
CLOSE #12
OPEN tmpdir$ + "inpchain.txt" FOR APPEND AS #12
l2$ = tlayout$
PRINT #12, "if (int32val==1){"
'get the size in bits
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)&int64val,8," + NewByteElement$ + "),0);"
'***assume correct size***
e$ = RTRIM$(id.n)
t = id.t
IF (t AND ISUDT) = 0 THEN
IF t AND ISFIXEDLENGTH THEN
e$ = e$ + "$" + str2$(id.tsize)
ELSE
e$ = e$ + typevalue2symbol$(t)
IF Error_Happened THEN GOTO errmes
END IF
END IF
IF t AND ISSTRING THEN
IF (t AND ISFIXEDLENGTH) = 0 THEN
PRINT #12, "tqbs=qbs_new(int64val>>3,1);"
PRINT #12, "qbs_set(__STRING_" + RTRIM$(id.n) + ",tqbs);"
'now that the string is the correct size, the following GET command will work correctly...
END IF
END IF
e$ = evaluatetotyp(fixoperationorder$(e$), -4)
IF Error_Happened THEN GOTO errmes
PRINT #12, "sub_get(FF,NULL," + e$ + ",0);"
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)&int32val,4," + NewByteElement$ + "),0);" 'get next command
PRINT #12, "}"
tlayout$ = l2$
'revert output to main.txt
CLOSE #12
OPEN tmpdir$ + "main.txt" FOR APPEND AS #12
use_global_byte_elements = 0
END IF
commonarraylisted:
n2 = numelements(tlayout$)
l$ = l$ + sp + getelement$(tlayout$, 1) + appendname$
IF n2 > 1 THEN
l$ = l$ + sp2 + getelements$(tlayout$, 2, n2)
END IF
IF LEN(appendtype$) THEN
IF LEN(dim2typepassback$) THEN appendtype$ = sp + "AS" + sp + dim2typepassback$
l$ = l$ + appendtype$
END IF
'modify first element name to include symbol
dimstatic = olddimstatic
END IF 'listarray=0
IF d$ = "," THEN l$ = l$ + sp2 + ",": GOTO dimnext
dimoption = 0
dimshared = 0
redimoption = 0
IF dimstatic = 1 THEN dimstatic = 0
AllowLocalName = 0
layoutdone = 1
IF LEN(layout$) = 0 THEN layout$ = l$ ELSE layout$ = layout$ + sp + l$
GOTO finishedline
END IF
END IF
'THEN [GOTO] linenumber?
IF THENGOTO = 1 THEN
IF n = 1 THEN
l$ = ""
a = ASC(LEFT$(firstelement$, 1))
IF a = 46 OR (a >= 48 AND a <= 57) THEN a2$ = ca$: GOTO THENGOTO
END IF
END IF
'goto
IF n = 2 THEN
IF getelement$(a$, 1) = "GOTO" THEN
l$ = "GOTO"
a2$ = getelement$(ca$, 2)
THENGOTO:
IF validlabel(a2$) = 0 THEN a$ = "Invalid label!": GOTO errmes
v = HashFind(a2$, HASHFLAG_LABEL, ignore, r)
x = 1
labchk2:
IF v THEN
s = Labels(r).Scope
IF s = subfuncn OR s = -1 THEN 'same scope?
IF s = -1 THEN Labels(r).Scope = subfuncn 'acquire scope
x = 0 'already defined
tlayout$ = RTRIM$(Labels(r).cn)
ELSE
IF v = 2 THEN v = HashFindCont(ignore, r): GOTO labchk2
END IF
END IF
IF x THEN
'does not exist
nLabels = nLabels + 1: IF nLabels > Labels_Ubound THEN Labels_Ubound = Labels_Ubound * 2: REDIM _PRESERVE Labels(1 TO Labels_Ubound) AS Label_Type
Labels(nLabels) = Empty_Label
HashAdd a2$, HASHFLAG_LABEL, nLabels
r = nLabels
Labels(r).State = 0
Labels(r).cn = tlayout$
Labels(r).Scope = subfuncn
Labels(r).Error_Line = linenumber
END IF 'x
IF LEN(l$) THEN l$ = l$ + sp + tlayout$ ELSE l$ = tlayout$
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
PRINT #12, "goto LABEL_" + a2$ + ";"
GOTO finishedline
END IF
END IF
IF n = 1 THEN
IF firstelement$ = "_CONTINUE" THEN
l$ = "_CONTINUE"
'scan backwards until previous control level reached
FOR i = controllevel TO 1 STEP -1
t = controltype(i)
IF t = 2 THEN 'for...next
PRINT #12, "goto fornext_continue_" + str2$(controlid(i)) + ";"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
ELSEIF t = 3 OR t = 4 THEN 'do...loop
PRINT #12, "goto dl_continue_" + str2$(controlid(i)) + ";"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
ELSEIF t = 5 THEN 'while...wend
PRINT #12, "goto ww_continue_" + str2$(controlid(i)) + ";"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
NEXT
a$ = "_CONTINUE outside DO..LOOP/FOR..NEXT/WHILE..WEND block": GOTO errmes
END IF
END IF
IF firstelement$ = "RUN" THEN 'RUN
l$ = "RUN"
IF n = 1 THEN
'no parameters
PRINT #12, "sub_run_init();" 'note: called first to free up screen-locked image handles
PRINT #12, "sub_clear(NULL,NULL,NULL,NULL);" 'use functionality of CLEAR
IF LEN(subfunc$) THEN
PRINT #12, "QBMAIN(NULL);"
ELSE
PRINT #12, "goto S_0;"
END IF
ELSE
'parameter passed
e$ = getelements$(ca$, 2, n)
e$ = fixoperationorder$(e$)
IF Error_Happened THEN GOTO errmes
l2$ = tlayout$
ignore$ = evaluate(e$, typ)
IF Error_Happened THEN GOTO errmes
IF n = 2 AND ((typ AND ISSTRING) = 0) THEN
'assume it's a label or line number
lbl$ = getelement$(ca$, 2)
IF validlabel(lbl$) = 0 THEN a$ = "Invalid label!": GOTO errmes 'invalid label
v = HashFind(lbl$, HASHFLAG_LABEL, ignore, r)
x = 1
labchk501:
IF v THEN
s = Labels(r).Scope
IF s = 0 OR s = -1 THEN 'main scope?
IF s = -1 THEN Labels(r).Scope = 0 'acquire scope
x = 0 'already defined
tlayout$ = RTRIM$(Labels(r).cn)
Labels(r).Scope_Restriction = subfuncn
Labels(r).Error_Line = linenumber
ELSE
IF v = 2 THEN v = HashFindCont(ignore, r): GOTO labchk501
END IF
END IF
IF x THEN
'does not exist
nLabels = nLabels + 1: IF nLabels > Labels_Ubound THEN Labels_Ubound = Labels_Ubound * 2: REDIM _PRESERVE Labels(1 TO Labels_Ubound) AS Label_Type
Labels(nLabels) = Empty_Label
HashAdd lbl$, HASHFLAG_LABEL, nLabels
r = nLabels
Labels(r).State = 0
Labels(r).cn = tlayout$
Labels(r).Scope = 0
Labels(r).Error_Line = linenumber
Labels(r).Scope_Restriction = subfuncn
END IF 'x
l$ = l$ + sp + tlayout$
PRINT #12, "sub_run_init();" 'note: called first to free up screen-locked image handles
PRINT #12, "sub_clear(NULL,NULL,NULL,NULL);" 'use functionality of CLEAR
IF LEN(subfunc$) THEN
PRINT #21, "if (run_from_line==" + str2(nextrunlineindex) + "){run_from_line=0;goto LABEL_" + lbl$ + ";}"
PRINT #12, "run_from_line=" + str2(nextrunlineindex) + ";"
nextrunlineindex = nextrunlineindex + 1
PRINT #12, "QBMAIN(NULL);"
ELSE
PRINT #12, "goto LABEL_" + lbl$ + ";"
END IF
ELSE
'assume it's a string containing a filename to execute
IF Cloud THEN a$ = "Feature not supported on QLOUD": GOTO errmes '***NOCLOUD***
e$ = evaluatetotyp(e$, ISSTRING)
IF Error_Happened THEN GOTO errmes
PRINT #12, "sub_run(" + e$ + ");"
l$ = l$ + sp + l2$
END IF 'isstring
END IF 'n=1
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF 'run
IF firstelement$ = "END" THEN
l$ = "END"
IF n > 1 THEN
e$ = getelements$(ca$, 2, n)
e$ = fixoperationorder$(e$): IF Error_Happened THEN GOTO errmes
l2$ = tlayout$
e$ = evaluatetotyp(e$, ISINTEGER64): IF Error_Happened THEN GOTO errmes
inclinenump$ = ""
IF inclinenumber(inclevel) THEN
inclinenump$ = "," + str2$(inclinenumber(inclevel))
thisincname$ = getfilepath$(incname$(inclevel))
thisincname$ = MID$(incname$(inclevel), LEN(thisincname$) + 1)
inclinenump$ = inclinenump$ + "," + CHR$(34) + thisincname$ + CHR$(34)
END IF
PRINT #12, "if(qbevent){evnt(" + str2$(linenumber) + inclinenump$ + ");}" 'non-resumable error check (cannot exit without handling errors)
PRINT #12, "exit_code=" + e$ + ";"
l$ = l$ + sp + l2$
END IF
xend
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
IF firstelement$ = "SYSTEM" THEN
l$ = "SYSTEM"
IF n > 1 THEN
e$ = getelements$(ca$, 2, n)
e$ = fixoperationorder$(e$): IF Error_Happened THEN GOTO errmes
l2$ = tlayout$
e$ = evaluatetotyp(e$, ISINTEGER64): IF Error_Happened THEN GOTO errmes
inclinenump$ = ""
IF inclinenumber(inclevel) THEN
inclinenump$ = "," + str2$(inclinenumber(inclevel))
thisincname$ = getfilepath$(incname$(inclevel))
thisincname$ = MID$(incname$(inclevel), LEN(thisincname$) + 1)
inclinenump$ = inclinenump$ + "," + CHR$(34) + thisincname$ + CHR$(34)
END IF
PRINT #12, "if(qbevent){evnt(" + str2$(linenumber) + inclinenump$ + ");}" 'non-resumable error check (cannot exit without handling errors)
PRINT #12, "exit_code=" + e$ + ";"
l$ = l$ + sp + l2$
END IF
PRINT #12, "if (sub_gl_called) error(271);"
PRINT #12, "close_program=1;"
PRINT #12, "end();"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
IF n >= 1 THEN
IF firstelement$ = "STOP" THEN
l$ = "STOP"
IF n > 1 THEN
e$ = getelements$(ca$, 2, n)
e$ = fixoperationorder$(e$)
IF Error_Happened THEN GOTO errmes
l$ = "STOP" + sp + tlayout$
e$ = evaluatetotyp(e$, 64)
IF Error_Happened THEN GOTO errmes
'note: this value is currently ignored but evaluated for checking reasons
END IF
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
PRINT #12, "close_program=1;"
PRINT #12, "end();"
GOTO finishedline
END IF
END IF
IF n = 2 THEN
IF firstelement$ = "GOSUB" THEN
xgosub ca$, n
IF Error_Happened THEN GOTO errmes
'note: layout implemented in xgosub
GOTO finishedline
END IF
END IF
IF n >= 1 THEN
IF firstelement$ = "RETURN" THEN
IF n = 1 THEN
PRINT #12, "#include " + CHR$(34) + "ret" + str2$(subfuncn) + ".txt" + CHR$(34)
l$ = "RETURN"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
ELSE
'label/linenumber follows
IF subfuncn <> 0 THEN a$ = "RETURN linelabel/linenumber invalid within a SUB/FUNCTION": GOTO errmes
IF n > 2 THEN a$ = "Expected linelabel/linenumber after RETURN": GOTO errmes
PRINT #12, "if (!next_return_point) error(3);" 'check return point available
PRINT #12, "next_return_point--;" 'destroy return point
a2$ = getelement$(ca$, 2)
IF validlabel(a2$) = 0 THEN a$ = "Invalid label!": GOTO errmes
v = HashFind(a2$, HASHFLAG_LABEL, ignore, r)
x = 1
labchk505:
IF v THEN
s = Labels(r).Scope
IF s = subfuncn OR s = -1 THEN 'same scope?
IF s = -1 THEN Labels(r).Scope = subfuncn 'acquire scope
x = 0 'already defined
tlayout$ = RTRIM$(Labels(r).cn)
ELSE
IF v = 2 THEN v = HashFindCont(ignore, r): GOTO labchk505
END IF
END IF
IF x THEN
'does not exist
nLabels = nLabels + 1: IF nLabels > Labels_Ubound THEN Labels_Ubound = Labels_Ubound * 2: REDIM _PRESERVE Labels(1 TO Labels_Ubound) AS Label_Type
Labels(nLabels) = Empty_Label
HashAdd a2$, HASHFLAG_LABEL, nLabels
r = nLabels
Labels(r).State = 0
Labels(r).cn = tlayout$
Labels(r).Scope = subfuncn
Labels(r).Error_Line = linenumber
END IF 'x
PRINT #12, "goto LABEL_" + a2$ + ";"
l$ = "RETURN" + sp + tlayout$
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
END IF
END IF
IF n >= 1 THEN
IF firstelement$ = "RESUME" THEN
l$ = "RESUME"
IF n = 1 THEN
resumeprev:
PRINT #12, "if (!error_handling){error(20);}else{error_retry=1; qbevent=1; error_handling=0; error_err=0; return;}"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
IF n > 2 THEN a$ = "Too many parameters": GOTO errmes
s$ = getelement$(ca$, 2)
IF UCASE$(s$) = "NEXT" THEN
PRINT #12, "if (!error_handling){error(20);}else{error_handling=0; error_err=0; return;}"
l$ = l$ + sp + "NEXT"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
IF s$ = "0" THEN l$ = l$ + sp + "0": GOTO resumeprev
IF validlabel(s$) = 0 THEN a$ = "Invalid label passed to RESUME": GOTO errmes
v = HashFind(s$, HASHFLAG_LABEL, ignore, r)
x = 1
labchk506:
IF v THEN
s = Labels(r).Scope
IF s = subfuncn OR s = -1 THEN 'same scope?
IF s = -1 THEN Labels(r).Scope = subfuncn 'acquire scope
x = 0 'already defined
tlayout$ = RTRIM$(Labels(r).cn)
ELSE
IF v = 2 THEN v = HashFindCont(ignore, r): GOTO labchk506
END IF
END IF
IF x THEN
'does not exist
nLabels = nLabels + 1: IF nLabels > Labels_Ubound THEN Labels_Ubound = Labels_Ubound * 2: REDIM _PRESERVE Labels(1 TO Labels_Ubound) AS Label_Type
Labels(nLabels) = Empty_Label
HashAdd s$, HASHFLAG_LABEL, nLabels
r = nLabels
Labels(r).State = 0
Labels(r).cn = tlayout$
Labels(r).Scope = subfuncn
Labels(r).Error_Line = linenumber
END IF 'x
l$ = l$ + sp + tlayout$
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
PRINT #12, "if (!error_handling){error(20);}else{error_handling=0; error_err=0; goto LABEL_" + s$ + ";}"
GOTO finishedline
END IF
END IF
IF n = 4 THEN
IF getelements(a$, 1, 3) = "ON" + sp + "ERROR" + sp + "GOTO" THEN
l$ = "ON" + sp + "ERROR" + sp + "GOTO"
lbl$ = getelement$(ca$, 4)
IF lbl$ = "0" THEN
PRINT #12, "error_goto_line=0;"
l$ = l$ + sp + "0"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
IF validlabel(lbl$) = 0 THEN a$ = "Invalid label": GOTO errmes
v = HashFind(lbl$, HASHFLAG_LABEL, ignore, r)
x = 1
labchk6:
IF v THEN
s = Labels(r).Scope
IF s = 0 OR s = -1 THEN 'main scope?
IF s = -1 THEN Labels(r).Scope = 0 'acquire scope
x = 0 'already defined
tlayout$ = RTRIM$(Labels(r).cn)
Labels(r).Scope_Restriction = subfuncn
Labels(r).Error_Line = linenumber
ELSE
IF v = 2 THEN v = HashFindCont(ignore, r): GOTO labchk6
END IF
END IF
IF x THEN
'does not exist
nLabels = nLabels + 1: IF nLabels > Labels_Ubound THEN Labels_Ubound = Labels_Ubound * 2: REDIM _PRESERVE Labels(1 TO Labels_Ubound) AS Label_Type
Labels(nLabels) = Empty_Label
HashAdd lbl$, HASHFLAG_LABEL, nLabels
r = nLabels
Labels(r).State = 0
Labels(r).cn = tlayout$
Labels(r).Scope = 0
Labels(r).Error_Line = linenumber
Labels(r).Scope_Restriction = subfuncn
END IF 'x
l$ = l$ + sp + tlayout$
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
errorlabels = errorlabels + 1
PRINT #12, "error_goto_line=" + str2(errorlabels) + ";"
PRINT #14, "if (error_goto_line==" + str2(errorlabels) + "){error_handling=1; goto LABEL_" + lbl$ + ";}"
GOTO finishedline
END IF
END IF
IF n >= 1 THEN
IF firstelement$ = "RESTORE" THEN
l$ = "RESTORE"
IF n = 1 THEN
PRINT #12, "data_offset=0;"
ELSE
IF n > 2 THEN a$ = "Syntax error": GOTO errmes
lbl$ = getelement$(ca$, 2)
IF validlabel(lbl$) = 0 THEN a$ = "Invalid label": GOTO errmes
'rule: a RESTORE label has no scope, therefore, only one instance of that label may exist
'how: enforced by a post check for duplicates
v = HashFind(lbl$, HASHFLAG_LABEL, ignore, r)
x = 1
IF v THEN 'already defined
x = 0
tlayout$ = RTRIM$(Labels(r).cn)
Labels(r).Data_Referenced = 1 'make sure the data referenced flag is set
IF Labels(r).Error_Line = 0 THEN Labels(r).Error_Line = linenumber
END IF
IF x THEN
nLabels = nLabels + 1: IF nLabels > Labels_Ubound THEN Labels_Ubound = Labels_Ubound * 2: REDIM _PRESERVE Labels(1 TO Labels_Ubound) AS Label_Type
Labels(nLabels) = Empty_Label
HashAdd lbl$, HASHFLAG_LABEL, nLabels
r = nLabels
Labels(r).State = 0
Labels(r).cn = tlayout$
Labels(r).Scope = -1 'modifyable scope
Labels(r).Error_Line = linenumber
Labels(r).Data_Referenced = 1
END IF 'x
l$ = l$ + sp + tlayout$
PRINT #12, "data_offset=data_at_LABEL_" + lbl$ + ";"
END IF
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
END IF
'ON ... GOTO/GOSUB
IF n >= 1 THEN
IF firstelement$ = "ON" THEN
xongotogosub a$, ca$, n
IF Error_Happened THEN GOTO errmes
GOTO finishedline
END IF
END IF
'(_MEM) _MEMPUT _MEMGET
IF n >= 1 THEN
IF firstelement$ = "_MEMGET" THEN
IF Cloud THEN a$ = "Feature not supported on QLOUD": GOTO errmes '***NOCLOUD***
'get expressions
e$ = ""
B = 0
ne = 0
FOR i2 = 2 TO n
e2$ = getelement$(ca$, i2)
IF e2$ = "(" THEN B = B + 1
IF e2$ = ")" THEN B = B - 1
IF e2$ = "," AND B = 0 THEN
ne = ne + 1
IF ne = 1 THEN blk$ = e$: e$ = ""
IF ne = 2 THEN offs$ = e$: e$ = ""
IF ne = 3 THEN a$ = "Syntax error": GOTO errmes
ELSE
IF LEN(e$) = 0 THEN e$ = e2$ ELSE e$ = e$ + sp + e2$
END IF
NEXT
var$ = e$
IF e$ = "" OR ne <> 2 THEN a$ = "Expected _MEMGET mem-reference,offset,variable": GOTO errmes
l$ = "_MEMGET" + sp
e$ = fixoperationorder$(blk$): IF Error_Happened THEN GOTO errmes
l$ = l$ + tlayout$
test$ = evaluate(e$, typ): IF Error_Happened THEN GOTO errmes
IF (typ AND ISUDT) = 0 OR (typ AND 511) <> 1 THEN a$ = "Expected _MEM type": GOTO errmes
blkoffs$ = evaluatetotyp(e$, -6)
' IF typ AND ISREFERENCE THEN e$ = refer(e$, typ, 0)
'PRINT #12, blkoffs$ '???
e$ = fixoperationorder$(offs$): IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + "," + sp + tlayout$
e$ = evaluatetotyp(e$, OFFSETTYPE - ISPOINTER): IF Error_Happened THEN GOTO errmes
offs$ = e$
'PRINT #12, e$ '???
e$ = fixoperationorder$(var$): IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + "," + sp + tlayout$
varsize$ = evaluatetotyp(e$, -5): IF Error_Happened THEN GOTO errmes
varoffs$ = evaluatetotyp(e$, -6): IF Error_Happened THEN GOTO errmes
'PRINT #12, varoffs$ '???
'PRINT #12, varsize$ '???
'what do we do next
'need to know offset of variable and its size
'known sizes will be handled by designated command casts, otherwise use memmove
s = 0
IF varsize$ = "1" THEN s = 1: st$ = "int8"
IF varsize$ = "2" THEN s = 2: st$ = "int16"
IF varsize$ = "4" THEN s = 4: st$ = "int32"
IF varsize$ = "8" THEN s = 8: st$ = "int64"
IF NoChecks THEN
'fast version:
IF s THEN
PRINT #12, "*(" + st$ + "*)" + varoffs$ + "=*(" + st$ + "*)(" + offs$ + ");"
ELSE
PRINT #12, "memmove(" + varoffs$ + ",(void*)" + offs$ + "," + varsize$ + ");"
END IF
ELSE
'safe version:
PRINT #12, "tmp_long=" + offs$ + ";"
'is mem block init?
PRINT #12, "if ( ((mem_block*)(" + blkoffs$ + "))->lock_offset ){"
'are region and id valid?
PRINT #12, "if ("
PRINT #12, "tmp_long < ((mem_block*)(" + blkoffs$ + "))->offset ||"
PRINT #12, "(tmp_long+(" + varsize$ + ")) > ( ((mem_block*)(" + blkoffs$ + "))->offset + ((mem_block*)(" + blkoffs$ + "))->size) ||"
PRINT #12, "((mem_lock*)((mem_block*)(" + blkoffs$ + "))->lock_offset)->id != ((mem_block*)(" + blkoffs$ + "))->lock_id ){"
'diagnose error
PRINT #12, "if (" + "((mem_lock*)((mem_block*)(" + blkoffs$ + "))->lock_offset)->id != ((mem_block*)(" + blkoffs$ + "))->lock_id" + ") error(308); else error(300);"
PRINT #12, "}else{"
IF s THEN
PRINT #12, "*(" + st$ + "*)" + varoffs$ + "=*(" + st$ + "*)tmp_long;"
ELSE
PRINT #12, "memmove(" + varoffs$ + ",(void*)tmp_long," + varsize$ + ");"
END IF
PRINT #12, "}"
PRINT #12, "}else error(309);"
END IF
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
END IF
IF n >= 1 THEN
IF firstelement$ = "_MEMPUT" THEN
IF Cloud THEN a$ = "Feature not supported on QLOUD": GOTO errmes '***NOCLOUD***
'get expressions
typ$ = ""
e$ = ""
B = 0
ne = 0
FOR i2 = 2 TO n
e2$ = getelement$(ca$, i2)
IF e2$ = "(" THEN B = B + 1
IF e2$ = ")" THEN B = B - 1
IF (e2$ = "," OR UCASE$(e2$) = "AS") AND B = 0 THEN
ne = ne + 1
IF ne = 1 THEN blk$ = e$: e$ = ""
IF ne = 2 THEN offs$ = e$: e$ = ""
IF ne = 3 THEN var$ = e$: e$ = ""
IF (UCASE$(e2$) = "AS" AND ne <> 3) OR (ne = 3 AND UCASE$(e2$) <> "AS") OR ne = 4 THEN a$ = "Expected _MEMPUT mem-reference,offset,variable|value[AS type]": GOTO errmes
ELSE
IF LEN(e$) = 0 THEN e$ = e2$ ELSE e$ = e$ + sp + e2$
END IF
NEXT
IF ne < 2 OR e$ = "" THEN a$ = "Expected _MEMPUT mem-reference,offset,variable|value[AS type]": GOTO errmes
IF ne = 2 THEN var$ = e$ ELSE typ$ = UCASE$(e$)
l$ = "_MEMPUT" + sp
e$ = fixoperationorder$(blk$): IF Error_Happened THEN GOTO errmes
l$ = l$ + tlayout$
test$ = evaluate(e$, typ): IF Error_Happened THEN GOTO errmes
IF (typ AND ISUDT) = 0 OR (typ AND 511) <> 1 THEN a$ = "Expected _MEM type": GOTO errmes
blkoffs$ = evaluatetotyp(e$, -6)
e$ = fixoperationorder$(offs$): IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + "," + sp + tlayout$
e$ = evaluatetotyp(e$, OFFSETTYPE - ISPOINTER): IF Error_Happened THEN GOTO errmes
offs$ = e$
IF ne = 2 THEN
e$ = fixoperationorder$(var$): IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + "," + sp + tlayout$
test$ = evaluate(e$, t): IF Error_Happened THEN GOTO errmes
IF (t AND ISREFERENCE) = 0 AND (t AND ISSTRING) THEN
PRINT #12, "g_tmp_str=" + test$ + ";"
varsize$ = "g_tmp_str->len"
varoffs$ = "g_tmp_str->chr"
ELSE
varsize$ = evaluatetotyp(e$, -5): IF Error_Happened THEN GOTO errmes
varoffs$ = evaluatetotyp(e$, -6): IF Error_Happened THEN GOTO errmes
END IF
'known sizes will be handled by designated command casts, otherwise use memmove
s = 0
IF varsize$ = "1" THEN s = 1: st$ = "int8"
IF varsize$ = "2" THEN s = 2: st$ = "int16"
IF varsize$ = "4" THEN s = 4: st$ = "int32"
IF varsize$ = "8" THEN s = 8: st$ = "int64"
IF NoChecks THEN
'fast version:
IF s THEN
PRINT #12, "*(" + st$ + "*)(" + offs$ + ")=*(" + st$ + "*)" + varoffs$ + ";"
ELSE
PRINT #12, "memmove((void*)" + offs$ + "," + varoffs$ + "," + varsize$ + ");"
END IF
ELSE
'safe version:
PRINT #12, "tmp_long=" + offs$ + ";"
'is mem block init?
PRINT #12, "if ( ((mem_block*)(" + blkoffs$ + "))->lock_offset ){"
'are region and id valid?
PRINT #12, "if ("
PRINT #12, "tmp_long < ((mem_block*)(" + blkoffs$ + "))->offset ||"
PRINT #12, "(tmp_long+(" + varsize$ + ")) > ( ((mem_block*)(" + blkoffs$ + "))->offset + ((mem_block*)(" + blkoffs$ + "))->size) ||"
PRINT #12, "((mem_lock*)((mem_block*)(" + blkoffs$ + "))->lock_offset)->id != ((mem_block*)(" + blkoffs$ + "))->lock_id ){"
'diagnose error
PRINT #12, "if (" + "((mem_lock*)((mem_block*)(" + blkoffs$ + "))->lock_offset)->id != ((mem_block*)(" + blkoffs$ + "))->lock_id" + ") error(308); else error(300);"
PRINT #12, "}else{"
IF s THEN
PRINT #12, "*(" + st$ + "*)tmp_long=*(" + st$ + "*)" + varoffs$ + ";"
ELSE
PRINT #12, "memmove((void*)tmp_long," + varoffs$ + "," + varsize$ + ");"
END IF
PRINT #12, "}"
PRINT #12, "}else error(309);"
END IF
ELSE
'... AS type method
'FUNCTION typname2typ& (t2$)
'typname2typsize = 0 'the default
t = typname2typ(typ$)
IF t = 0 THEN a$ = "Invalid type": GOTO errmes
IF (t AND ISOFFSETINBITS) <> 0 OR (t AND ISUDT) <> 0 OR (t AND ISSTRING) THEN a$ = "_MEMPUT requires numeric type": GOTO errmes
IF (t AND ISPOINTER) THEN t = t - ISPOINTER
'attempt conversion...
e$ = fixoperationorder$(var$): IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + "," + sp + tlayout$ + sp + "AS" + sp + typ$
e$ = evaluatetotyp(e$, t): IF Error_Happened THEN GOTO errmes
st$ = typ2ctyp$(t, "")
varsize$ = str2((t AND 511) \ 8)
IF NoChecks THEN
'fast version:
PRINT #12, "*(" + st$ + "*)(" + offs$ + ")=" + e$ + ";"
ELSE
'safe version:
PRINT #12, "tmp_long=" + offs$ + ";"
'is mem block init?
PRINT #12, "if ( ((mem_block*)(" + blkoffs$ + "))->lock_offset ){"
'are region and id valid?
PRINT #12, "if ("
PRINT #12, "tmp_long < ((mem_block*)(" + blkoffs$ + "))->offset ||"
PRINT #12, "(tmp_long+(" + varsize$ + ")) > ( ((mem_block*)(" + blkoffs$ + "))->offset + ((mem_block*)(" + blkoffs$ + "))->size) ||"
PRINT #12, "((mem_lock*)((mem_block*)(" + blkoffs$ + "))->lock_offset)->id != ((mem_block*)(" + blkoffs$ + "))->lock_id ){"
'diagnose error
PRINT #12, "if (" + "((mem_lock*)((mem_block*)(" + blkoffs$ + "))->lock_offset)->id != ((mem_block*)(" + blkoffs$ + "))->lock_id" + ") error(308); else error(300);"
PRINT #12, "}else{"
PRINT #12, "*(" + st$ + "*)tmp_long=" + e$ + ";"
PRINT #12, "}"
PRINT #12, "}else error(309);"
END IF
END IF
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
END IF
IF n >= 1 THEN
IF firstelement$ = "_MEMFILL" THEN
IF Cloud THEN a$ = "Feature not supported on QLOUD": GOTO errmes '***NOCLOUD***
'get expressions
typ$ = ""
e$ = ""
B = 0
ne = 0
FOR i2 = 2 TO n
e2$ = getelement$(ca$, i2)
IF e2$ = "(" THEN B = B + 1
IF e2$ = ")" THEN B = B - 1
IF (e2$ = "," OR UCASE$(e2$) = "AS") AND B = 0 THEN
ne = ne + 1
IF ne = 1 THEN blk$ = e$: e$ = ""
IF ne = 2 THEN offs$ = e$: e$ = ""
IF ne = 3 THEN bytes$ = e$: e$ = ""
IF ne = 4 THEN var$ = e$: e$ = ""
IF (UCASE$(e2$) = "AS" AND ne <> 4) OR (ne = 4 AND UCASE$(e2$) <> "AS") OR ne = 5 THEN a$ = "Expected _MEMFILL mem-reference,offset,bytes,variable|value[AS type]": GOTO errmes
ELSE
IF LEN(e$) = 0 THEN e$ = e2$ ELSE e$ = e$ + sp + e2$
END IF
NEXT
IF ne < 3 OR e$ = "" THEN a$ = "Expected _MEMFILL mem-reference,offset,bytes,variable|value[AS type]": GOTO errmes
IF ne = 3 THEN var$ = e$ ELSE typ$ = UCASE$(e$)
l$ = "_MEMFILL" + sp
e$ = fixoperationorder$(blk$): IF Error_Happened THEN GOTO errmes
l$ = l$ + tlayout$
test$ = evaluate(e$, typ): IF Error_Happened THEN GOTO errmes
IF (typ AND ISUDT) = 0 OR (typ AND 511) <> 1 THEN a$ = "Expected _MEM type": GOTO errmes
blkoffs$ = evaluatetotyp(e$, -6)
e$ = fixoperationorder$(offs$): IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + "," + sp + tlayout$
e$ = evaluatetotyp(e$, OFFSETTYPE - ISPOINTER): IF Error_Happened THEN GOTO errmes
offs$ = e$
e$ = fixoperationorder$(bytes$): IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + "," + sp + tlayout$
e$ = evaluatetotyp(e$, OFFSETTYPE - ISPOINTER): IF Error_Happened THEN GOTO errmes
bytes$ = e$
IF ne = 3 THEN 'no AS
e$ = fixoperationorder$(var$): IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + "," + sp + tlayout$
test$ = evaluate(e$, t)
IF (t AND ISREFERENCE) = 0 AND (t AND ISSTRING) THEN
PRINT #12, "tmp_long=(ptrszint)" + test$ + ";"
varsize$ = "((qbs*)tmp_long)->len"
varoffs$ = "((qbs*)tmp_long)->chr"
ELSE
varsize$ = evaluatetotyp(e$, -5): IF Error_Happened THEN GOTO errmes
varoffs$ = evaluatetotyp(e$, -6): IF Error_Happened THEN GOTO errmes
END IF
IF NoChecks THEN
PRINT #12, "sub__memfill_nochecks(" + offs$ + "," + bytes$ + ",(ptrszint)" + varoffs$ + "," + varsize$ + ");"
ELSE
PRINT #12, "sub__memfill((mem_block*)" + blkoffs$ + "," + offs$ + "," + bytes$ + ",(ptrszint)" + varoffs$ + "," + varsize$ + ");"
END IF
ELSE
'... AS type method
t = typname2typ(typ$)
IF t = 0 THEN a$ = "Invalid type": GOTO errmes
IF (t AND ISOFFSETINBITS) <> 0 OR (t AND ISUDT) <> 0 OR (t AND ISSTRING) THEN a$ = "_MEMFILL requires numeric type": GOTO errmes
IF (t AND ISPOINTER) THEN t = t - ISPOINTER
'attempt conversion...
e$ = fixoperationorder$(var$): IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + "," + sp + tlayout$ + sp + "AS" + sp + typ$
e$ = evaluatetotyp(e$, t): IF Error_Happened THEN GOTO errmes
c$ = "sub__memfill_"
IF NoChecks THEN c$ = "sub__memfill_nochecks_"
IF t AND ISOFFSET THEN
c$ = c$ + "OFFSET"
ELSE
IF t AND ISFLOAT THEN
IF (t AND 511) = 32 THEN c$ = c$ + "SINGLE"
IF (t AND 511) = 64 THEN c$ = c$ + "DOUBLE"
IF (t AND 511) = 256 THEN c$ = c$ + "FLOAT" 'padded variable
ELSE
c$ = c$ + str2((t AND 511) \ 8)
END IF
END IF
c$ = c$ + "("
IF NoChecks = 0 THEN c$ = c$ + "(mem_block*)" + blkoffs$ + ","
PRINT #12, c$ + offs$ + "," + bytes$ + "," + e$ + ");"
END IF
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
END IF
'note: ABSOLUTE cannot be used without CALL
cispecial = 0
IF n > 1 THEN
IF firstelement$ = "INTERRUPT" OR firstelement$ = "INTERRUPTX" THEN
a$ = "CALL" + sp + firstelement$ + sp + "(" + sp + getelements$(a$, 2, n) + sp + ")"
ca$ = "CALL" + sp + firstelement$ + sp + "(" + sp + getelements$(ca$, 2, n) + sp + ")"
n = n + 3
firstelement$ = "CALL"
cispecial = 1
'fall through
END IF
END IF
usecall = 0
IF firstelement$ = "CALL" THEN
usecall = 1
IF n = 1 THEN a$ = "Expected CALL sub-name [(...)]": GOTO errmes
cn$ = getelement$(ca$, 2): n$ = UCASE$(cn$)
IF n > 2 THEN
IF n <= 4 THEN a$ = "Expected CALL sub-name (...)": GOTO errmes
IF getelement$(a$, 3) <> "(" OR getelement$(a$, n) <> ")" THEN a$ = "Expected CALL sub-name (...)": GOTO errmes
a$ = n$ + sp + getelements$(a$, 4, n - 1)
ca$ = cn$ + sp + getelements$(ca$, 4, n - 1)
IF n$ = "INTERRUPT" OR n$ = "INTERRUPTX" THEN 'assume CALL INTERRUPT[X] request
'print "CI: call interrupt command reached":sleep 1
IF n$ = "INTERRUPT" THEN PRINT #12, "call_interrupt("; ELSE PRINT #12, "call_interruptx(";
argn = 0
n = numelements(a$)
B = 0
e$ = ""
FOR i = 2 TO n
e2$ = getelement$(ca$, i)
IF e2$ = "(" THEN B = B + 1
IF e2$ = ")" THEN B = B - 1
IF (e2$ = "," AND B = 0) OR i = n THEN
IF i = n THEN
IF e$ = "" THEN e$ = e2$ ELSE e$ = e$ + sp + e2$
END IF
argn = argn + 1
IF argn = 1 THEN 'interrupt number
e$ = fixoperationorder$(e$)
IF Error_Happened THEN GOTO errmes
l$ = "CALL" + sp + n$ + sp2 + "(" + sp2 + tlayout$
IF cispecial = 1 THEN l$ = n$ + sp + tlayout$
e$ = evaluatetotyp(e$, 64&)
IF Error_Happened THEN GOTO errmes
'print "CI: evaluated interrupt number as ["+e$+"]":sleep 1
PRINT #12, e$;
END IF
IF argn = 2 OR argn = 3 THEN 'inregs, outregs
e$ = fixoperationorder$(e$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + "," + sp + tlayout$
e2$ = e$
e$ = evaluatetotyp(e$, -2) 'offset+size
IF Error_Happened THEN GOTO errmes
'print "CI: evaluated in/out regs ["+e2$+"] as ["+e$+"]":sleep 1
PRINT #12, "," + e$;
END IF
e$ = ""
ELSE
IF e$ = "" THEN e$ = e2$ ELSE e$ = e$ + sp + e2$
END IF
NEXT
IF argn <> 3 THEN a$ = "Expected CALL INTERRUPT (interrupt-no, inregs, outregs)": GOTO errmes
PRINT #12, ");"
IF cispecial = 0 THEN l$ = l$ + sp2 + ")"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
'print "CI: done":sleep 1
GOTO finishedline
END IF 'call interrupt
'call to CALL ABSOLUTE beyond reasonable doubt
IF n$ = "ABSOLUTE" THEN
l$ = "CALL" + sp + "ABSOLUTE" + sp2 + "(" + sp2
argn = 0
n = numelements(a$)
B = 0
e$ = ""
FOR i = 2 TO n
e2$ = getelement$(ca$, i)
IF e2$ = "(" THEN B = B + 1
IF e2$ = ")" THEN B = B - 1
IF (e2$ = "," AND B = 0) OR i = n THEN
IF i < n THEN
IF e$ = "" THEN a$ = "Expected expression before , or )": GOTO errmes
'1. variable or value?
e$ = fixoperationorder$(e$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + tlayout$ + sp2 + "," + sp
ignore$ = evaluate(e$, typ)
IF Error_Happened THEN GOTO errmes
IF (typ AND ISPOINTER) <> 0 AND (typ AND ISREFERENCE) <> 0 THEN
'assume standard variable
'assume not string/array/udt/etc
e$ = "VARPTR" + sp + "(" + sp + e$ + sp + ")"
e$ = evaluatetotyp(e$, UINTEGERTYPE - ISPOINTER)
IF Error_Happened THEN GOTO errmes
ELSE
'assume not string
'single, double or integer64?
IF typ AND ISFLOAT THEN
IF (typ AND 511) = 32 THEN
e$ = evaluatetotyp(e$, SINGLETYPE - ISPOINTER)
IF Error_Happened THEN GOTO errmes
v$ = "pass" + str2$(uniquenumber)
PRINT #defdatahandle, "float *" + v$ + "=NULL;"
PRINT #13, "if(" + v$ + "==NULL){"
PRINT #13, "cmem_sp-=4;"
PRINT #13, v$ + "=(float*)(dblock+cmem_sp);"
PRINT #13, "if (cmem_sp2
a$ = n$
ca$ = cn$
usecall = 2
END IF 'n>2
n = numelements(a$)
firstelement$ = getelement$(a$, 1)
'valid SUB name
validsub = 0
findidsecondarg = "": IF n >= 2 THEN findidsecondarg = getelement$(a$, 2)
try = findid(firstelement$)
IF Error_Happened THEN GOTO errmes
DO WHILE try
IF id.subfunc = 2 THEN validsub = 1: EXIT DO
IF try = 2 THEN
findidsecondarg = "": IF n >= 2 THEN findidsecondarg = getelement$(a$, 2)
findanotherid = 1
try = findid(firstelement$)
IF Error_Happened THEN GOTO errmes
ELSE
try = 0
END IF
LOOP
IF validsub = 0 THEN a$ = "Expected CALL sub-name [(...)]": GOTO errmes
END IF
'sub?
IF n >= 1 THEN
IF firstelement$ = "?" THEN firstelement$ = "PRINT"
findidsecondarg = "": IF n >= 2 THEN findidsecondarg = getelement$(a$, 2)
try = findid(firstelement$)
IF Error_Happened THEN GOTO errmes
DO WHILE try
IF id.subfunc = 2 THEN
'check symbol
s$ = removesymbol$(firstelement$ + "")
IF Error_Happened THEN GOTO errmes
IF ASC(id.musthave) = 36 THEN '="$"
IF s$ <> "$" THEN GOTO notsubcall 'missing musthave "$"
ELSE
IF LEN(s$) THEN GOTO notsubcall 'unrequired symbol added
END IF
'check for variable assignment
IF n > 1 THEN
IF ASC(id.specialformat) <> 61 THEN '<>"="
IF ASC(getelement$(a$, 2)) = 61 THEN GOTO notsubcall 'assignment, not sub call
END IF
END IF
'check for array assignment
IF n > 2 THEN
IF firstelement$ <> "PRINT" AND firstelement$ <> "LPRINT" THEN
IF getelement$(a$, 2) = "(" THEN
B = 1
FOR i = 3 TO n
e$ = getelement$(a$, i)
IF e$ = "(" THEN B = B + 1
IF e$ = ")" THEN
B = B - 1
IF B = 0 THEN
IF i = n THEN EXIT FOR
IF getelement$(a$, i + 1) = "=" THEN GOTO notsubcall
END IF
END IF
NEXT
END IF
END IF
END IF
IF id.NoCloud THEN
IF Cloud THEN a$ = "Feature not supported on QLOUD": GOTO errmes '***NOCLOUD***
END IF
'generate error on driect _GL call
IF firstelement$ = "_GL" THEN a$ = "Cannot call SUB _GL directly": GOTO errmes
IF firstelement$ = "OPEN" THEN
'gwbasic or qbasic version?
B = 0
FOR x = 2 TO n
a2$ = getelement$(a$, x)
IF a2$ = "(" THEN B = B + 1
IF a2$ = ")" THEN B = B - 1
IF a2$ = "FOR" OR a2$ = "AS" THEN EXIT FOR 'qb style open verified
IF B = 0 AND a2$ = "," THEN 'the gwbasic version includes a comma after the first string expression
findanotherid = 1
try = findid(firstelement$) 'id of sub_open_gwbasic
IF Error_Happened THEN GOTO errmes
EXIT FOR
END IF
NEXT
END IF
'IF findid(firstelement$) THEN
'IF id.subfunc = 2 THEN
IF firstelement$ = "CLOSE" OR firstelement$ = "RESET" THEN
IF firstelement$ = "RESET" THEN
IF n > 1 THEN a$ = "Syntax error": GOTO errmes
END IF
l$ = firstelement$
IF n = 1 THEN
PRINT #12, "sub_close(NULL,0);" 'closes all files
ELSE
l$ = l$ + sp
B = 0
s = 0
a3$ = ""
FOR x = 2 TO n
a2$ = getelement$(ca$, x)
IF a2$ = "(" THEN B = B + 1
IF a2$ = ")" THEN B = B - 1
IF a2$ = "#" AND B = 0 THEN
IF s = 0 THEN s = 1 ELSE a$ = "Unexpected #": GOTO errmes
l$ = l$ + "#" + sp2
GOTO closenexta
END IF
IF a2$ = "," AND B = 0 THEN
IF s = 2 THEN
e$ = fixoperationorder$(a3$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + tlayout$ + sp2 + "," + sp
e$ = evaluatetotyp(e$, 64&)
IF Error_Happened THEN GOTO errmes
PRINT #12, "sub_close(" + e$ + ",1);"
a3$ = ""
s = 0
GOTO closenexta
ELSE
a$ = "Expected expression before ,": GOTO errmes
END IF
END IF
s = 2
IF a3$ = "" THEN a3$ = a2$ ELSE a3$ = a3$ + sp + a2$
closenexta:
NEXT
IF s = 2 THEN
e$ = fixoperationorder$(a3$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + tlayout$
e$ = evaluatetotyp(e$, 64&)
IF Error_Happened THEN GOTO errmes
PRINT #12, "sub_close(" + e$ + ",1);"
ELSE
l$ = LEFT$(l$, LEN(l$) - 1)
END IF
END IF
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF 'close
'data, restore, read
IF firstelement$ = "READ" THEN 'file input
xread ca$, n
IF Error_Happened THEN GOTO errmes
'note: layout done in xread sub
GOTO finishedline
END IF 'read
lineinput = 0
IF n >= 2 THEN
IF firstelement$ = "LINE" AND secondelement$ = "INPUT" THEN
lineinput = 1
a$ = RIGHT$(a$, LEN(a$) - 5): ca$ = RIGHT$(ca$, LEN(ca$) - 5): n = n - 1 'remove "LINE"
firstelement$ = "INPUT"
END IF
END IF
IF firstelement$ = "INPUT" THEN 'file input
IF n > 1 THEN
IF getelement$(a$, 2) = "#" THEN
l$ = "INPUT" + sp + "#": IF lineinput THEN l$ = "LINE" + sp + l$
u$ = str2$(uniquenumber)
'which file?
IF n = 2 THEN a$ = "Expected # ... , ...": GOTO errmes
a3$ = ""
B = 0
FOR i = 3 TO n
a2$ = getelement$(ca$, i)
IF a2$ = "(" THEN B = B + 1
IF a2$ = ")" THEN B = B - 1
IF a2$ = "," AND B = 0 THEN
IF a3$ = "" THEN a$ = "Expected # ... , ...": GOTO errmes
GOTO inputgotfn
END IF
IF a3$ = "" THEN a3$ = a2$ ELSE a3$ = a3$ + sp + a2$
NEXT
inputgotfn:
e$ = fixoperationorder$(a3$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + tlayout$
e$ = evaluatetotyp(e$, 64&)
IF Error_Happened THEN GOTO errmes
PRINT #12, "tmp_fileno=" + e$ + ";"
PRINT #12, "if (new_error) goto skip" + u$ + ";"
i = i + 1
IF i > n THEN a$ = "Expected , ...": GOTO errmes
a3$ = ""
B = 0
FOR i = i TO n
a2$ = getelement$(ca$, i)
IF a2$ = "(" THEN B = B + 1
IF a2$ = ")" THEN B = B - 1
IF i = n THEN
IF a3$ = "" THEN a3$ = a2$ ELSE a3$ = a3$ + sp + a2$
a2$ = ",": B = 0
END IF
IF a2$ = "," AND B = 0 THEN
IF a3$ = "" THEN a$ = "Expected , ...": GOTO errmes
e$ = fixoperationorder$(a3$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp2 + "," + sp + tlayout$
e$ = evaluate(e$, t)
IF Error_Happened THEN GOTO errmes
IF (t AND ISREFERENCE) = 0 THEN a$ = "Expected variable-name": GOTO errmes
IF (t AND ISSTRING) THEN
e$ = refer(e$, t, 0)
IF Error_Happened THEN GOTO errmes
IF lineinput THEN
PRINT #12, "sub_file_line_input_string(tmp_fileno," + e$ + ");"
PRINT #12, "if (new_error) goto skip" + u$ + ";"
ELSE
PRINT #12, "sub_file_input_string(tmp_fileno," + e$ + ");"
PRINT #12, "if (new_error) goto skip" + u$ + ";"
END IF
stringprocessinghappened = 1
ELSE
IF lineinput THEN a$ = "Expected string-variable": GOTO errmes
'numeric variable
IF (t AND ISFLOAT) <> 0 OR (t AND 511) <> 64 THEN
IF (t AND ISOFFSETINBITS) THEN
setrefer e$, t, "((int64)func_file_input_float(tmp_fileno," + str2(t) + "))", 1
IF Error_Happened THEN GOTO errmes
ELSE
setrefer e$, t, "func_file_input_float(tmp_fileno," + str2(t) + ")", 1
IF Error_Happened THEN GOTO errmes
END IF
ELSE
IF t AND ISUNSIGNED THEN
setrefer e$, t, "func_file_input_uint64(tmp_fileno)", 1
IF Error_Happened THEN GOTO errmes
ELSE
setrefer e$, t, "func_file_input_int64(tmp_fileno)", 1
IF Error_Happened THEN GOTO errmes
END IF
END IF
PRINT #12, "if (new_error) goto skip" + u$ + ";"
END IF
IF i = n THEN EXIT FOR
IF lineinput THEN a$ = "Too many variables": GOTO errmes
a3$ = "": a2$ = ""
END IF
IF a3$ = "" THEN a3$ = a2$ ELSE a3$ = a3$ + sp + a2$
NEXT
PRINT #12, "skip" + u$ + ":"
IF stringprocessinghappened THEN PRINT #12, cleanupstringprocessingcall$ + "0);"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
END IF
END IF 'input#
IF firstelement$ = "INPUT" THEN
l$ = "INPUT": IF lineinput THEN l$ = "LINE" + sp + l$
commaneeded = 0
i = 2
newline = 1: IF getelement$(a$, i) = ";" THEN newline = 0: i = i + 1: l$ = l$ + sp + ";"
a2$ = getelement$(ca$, i)
IF LEFT$(a2$, 1) = CHR$(34) THEN
e$ = fixoperationorder$(a2$): l$ = l$ + sp + tlayout$
IF Error_Happened THEN GOTO errmes
PRINT #12, "qbs_print(qbs_new_txt_len(" + a2$ + "),0);"
i = i + 1
'MUST be followed by a ; or ,
a2$ = getelement$(ca$, i)
i = i + 1
l$ = l$ + sp2 + a2$
IF a2$ = ";" THEN
IF lineinput THEN GOTO finishedpromptstring
PRINT #12, "qbs_print(qbs_new_txt(" + CHR$(34) + "? " + CHR$(34) + "),0);"
GOTO finishedpromptstring
END IF
IF a2$ = "," THEN
GOTO finishedpromptstring
END IF
a$ = "INPUT STATEMENT: SYNTAX ERROR!": GOTO errmes
END IF
'there was no promptstring, so print a ?
IF lineinput = 0 THEN PRINT #12, "qbs_print(qbs_new_txt(" + CHR$(34) + "? " + CHR$(34) + "),0);"
finishedpromptstring:
numvar = 0
FOR i = i TO n
IF commaneeded = 1 THEN
a2$ = getelement$(ca$, i)
IF a2$ <> "," THEN a$ = "INPUT STATEMENT: SYNTAX ERROR! (COMMA EXPECTED)": GOTO errmes
ELSE
B = 0
e$ = ""
FOR i2 = i TO n
e2$ = getelement$(ca$, i2)
IF e2$ = "(" THEN B = B + 1
IF e2$ = ")" THEN B = B - 1
IF e2$ = "," AND B = 0 THEN i2 = i2 - 1: EXIT FOR
e$ = e$ + sp + e2$
NEXT
i = i2: IF i > n THEN i = n
IF e$ = "" THEN a$ = "Expected variable": GOTO errmes
e$ = RIGHT$(e$, LEN(e$) - 1)
e$ = fixoperationorder$(e$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp + tlayout$: IF i <> n THEN l$ = l$ + sp2 + ","
e$ = evaluate(e$, t)
IF Error_Happened THEN GOTO errmes
IF (t AND ISREFERENCE) = 0 THEN a$ = "Expected variable": GOTO errmes
IF (t AND ISSTRING) THEN
e$ = refer(e$, t, 0)
IF Error_Happened THEN GOTO errmes
numvar = numvar + 1
IF lineinput THEN
PRINT #12, "qbs_input_variabletypes[" + str2(numvar) + "]=ISSTRING+512;"
ELSE
PRINT #12, "qbs_input_variabletypes[" + str2(numvar) + "]=ISSTRING;"
END IF
PRINT #12, "qbs_input_variableoffsets[" + str2(numvar) + "]=" + e$ + ";"
GOTO gotinputvar
END IF
IF lineinput THEN a$ = "Expected string variable": GOTO errmes
IF (t AND ISARRAY) THEN
IF (t AND ISOFFSETINBITS) THEN
a$ = "INPUT cannot handle BIT array elements yet": GOTO errmes
END IF
END IF
e$ = "&(" + refer(e$, t, 0) + ")"
IF Error_Happened THEN GOTO errmes
'remove assumed/unnecessary flags
IF (t AND ISPOINTER) THEN t = t - ISPOINTER
IF (t AND ISINCONVENTIONALMEMORY) THEN t = t - ISINCONVENTIONALMEMORY
IF (t AND ISREFERENCE) THEN t = t - ISREFERENCE
'IF (t AND ISOFFSETINBITS) THEN
'numvar = numvar + 1
'consider storing the bit offset in unused bits of t
'PRINT #12, "qbs_input_variabletypes[" + str2(numvar) + "]=" + str2(t) + ";"
'PRINT #12, "qbs_input_variableoffsets[" + str2(numvar) + "]=" + refer(ref$, typ, 1) + ";"
'GOTO gotinputvar
'END IF
'assume it is a regular variable
numvar = numvar + 1
PRINT #12, "qbs_input_variabletypes[" + str2(numvar) + "]=" + str2$(t) + ";"
PRINT #12, "qbs_input_variableoffsets[" + str2(numvar) + "]=" + e$ + ";"
GOTO gotinputvar
END IF
gotinputvar:
commaneeded = commaneeded + 1: IF commaneeded = 2 THEN commaneeded = 0
NEXT
IF numvar = 0 THEN a$ = "INPUT STATEMENT: SYNTAX ERROR! (NO VARIABLES LISTED FOR INPUT)": GOTO errmes
IF lineinput = 1 AND numvar > 1 THEN a$ = "Too many variables": GOTO errmes
PRINT #12, "qbs_input(" + str2(numvar) + "," + str2$(newline) + ");"
PRINT #12, "if (stop_program) end();"
PRINT #12, cleanupstringprocessingcall$ + "0);"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
IF firstelement$ = "WRITE" THEN 'file write
IF n > 1 THEN
IF getelement$(a$, 2) = "#" THEN
xfilewrite ca$, n
IF Error_Happened THEN GOTO errmes
GOTO finishedline
END IF '#
END IF 'n>1
END IF '"write"
IF firstelement$ = "WRITE" THEN 'write
xwrite ca$, n
IF Error_Happened THEN GOTO errmes
GOTO finishedline
END IF '"write"
IF firstelement$ = "PRINT" THEN 'file print
IF n > 1 THEN
IF getelement$(a$, 2) = "#" THEN
xfileprint a$, ca$, n
IF Error_Happened THEN GOTO errmes
l$ = tlayout$
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF '#
END IF 'n>1
END IF '"print"
IF firstelement$ = "PRINT" OR firstelement$ = "LPRINT" THEN
IF secondelement$ <> "USING" THEN 'check to see if we need to auto-add semicolons
elementon = 2
redosemi:
FOR i = elementon TO n - 1
nextchar$ = getelement$(a$, i + 1)
IF nextchar$ <> ";" AND nextchar$ <> "," AND nextchar$ <> "+" AND nextchar$ <> ")" THEN
temp1$ = getelement$(a$, i)
beginpoint = INSTR(beginpoint, temp1$, CHR$(34))
endpoint = INSTR(beginpoint + 1, temp1$, CHR$(34) + ",")
IF beginpoint <> 0 AND endpoint <> 0 THEN 'if we have both positions
'Quote without semicolon check (like PRINT "abc"123)
textlength = endpoint - beginpoint - 1
textvalue$ = MID$(temp1$, endpoint + 2, LEN(LTRIM$(STR$(textlength))))
IF VAL(textvalue$) = textlength THEN
insertelements a$, i, ";"
insertelements ca$, i, ";"
n = n + 1
elementon = i + 2 'just a easy way to reduce redundant calls to the routine
GOTO redosemi
END IF
END IF
IF temp1$ <> "USING" THEN
IF LEFT$(LTRIM$(nextchar$), 1) = CHR$(34) THEN
IF temp1$ <> ";" AND temp1$ <> "," AND temp1$ <> "+" AND temp1$ <> "(" THEN
insertelements a$, i, ";"
insertelements ca$, i, ";"
n = n + 1
elementon = i + 2 'just a easy way to reduce redundant calls to the routine
GOTO redosemi
END IF
END IF
END IF
END IF
NEXT
END IF
xprint a$, ca$, n
IF Error_Happened THEN GOTO errmes
l$ = tlayout$
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
END IF
IF firstelement$ = "CLEAR" THEN
IF subfunc$ <> "" THEN a$ = "CLEAR cannot be used inside a SUB/FUNCTION": GOTO errmes
END IF
'LSET/RSET
IF firstelement$ = "LSET" OR firstelement$ = "RSET" THEN
IF n = 1 THEN a$ = "Expected " + firstelement$ + " ...": GOTO errmes
l$ = firstelement$
dest$ = ""
source$ = ""
part = 1
i = 2
a3$ = ""
B = 0
DO
IF i > n THEN
IF part <> 2 OR a3$ = "" THEN a$ = "Expected LSET/RSET stringvariable=string": GOTO errmes
source$ = a3$
EXIT DO
END IF
a2$ = getelement$(ca$, i)
IF a2$ = "(" THEN B = B + 1
IF a2$ = ")" THEN B = B - 1
IF a2$ = "=" AND B = 0 THEN
IF part = 1 THEN dest$ = a3$: part = 2: a3$ = "": GOTO lrsetgotpart
END IF
IF LEN(a3$) THEN a3$ = a3$ + sp + a2$ ELSE a3$ = a2$
lrsetgotpart:
i = i + 1
LOOP
IF dest$ = "" THEN a$ = "Expected LSET/RSET stringvariable=string": GOTO errmes
'check if it is a valid source string
f$ = fixoperationorder$(dest$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp + tlayout$ + sp + "="
e$ = evaluate(f$, sourcetyp)
IF Error_Happened THEN GOTO errmes
IF (sourcetyp AND ISREFERENCE) = 0 OR (sourcetyp AND ISSTRING) = 0 THEN a$ = "LSET/RSET expects a string variable/array-element as its first argument": GOTO errmes
dest$ = evaluatetotyp(f$, ISSTRING)
IF Error_Happened THEN GOTO errmes
source$ = fixoperationorder$(source$)
IF Error_Happened THEN GOTO errmes
l$ = l$ + sp + tlayout$
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
source$ = evaluatetotyp(source$, ISSTRING)
IF Error_Happened THEN GOTO errmes
IF firstelement$ = "LSET" THEN
PRINT #12, "sub_lset(" + dest$ + "," + source$ + ");"
ELSE
PRINT #12, "sub_rset(" + dest$ + "," + source$ + ");"
END IF
GOTO finishedline
END IF
'SWAP
IF firstelement$ = "SWAP" THEN
IF n < 4 THEN a$ = "Expected SWAP ... , ...": GOTO errmes
B = 0
ele = 1
e1$ = ""
e2$ = ""
FOR i = 2 TO n
e$ = getelement$(ca$, i)
IF e$ = "(" THEN B = B + 1
IF e$ = ")" THEN B = B - 1
IF e$ = "," AND B = 0 THEN
IF ele = 2 THEN a$ = "Expected SWAP ... , ...": GOTO errmes
ele = 2
ELSE
IF ele = 1 THEN e1$ = e1$ + sp + e$ ELSE e2$ = e2$ + sp + e$
END IF
NEXT
IF e2$ = "" THEN a$ = "Expected SWAP ... , ...": GOTO errmes
e1$ = RIGHT$(e1$, LEN(e1$) - 1): e2$ = RIGHT$(e2$, LEN(e2$) - 1)
e1$ = fixoperationorder(e1$)
IF Error_Happened THEN GOTO errmes
e1l$ = tlayout$
e2$ = fixoperationorder(e2$)
IF Error_Happened THEN GOTO errmes
e2l$ = tlayout$
e1$ = evaluate(e1$, e1typ): e2$ = evaluate(e2$, e2typ)
IF Error_Happened THEN GOTO errmes
IF (e1typ AND ISREFERENCE) = 0 OR (e2typ AND ISREFERENCE) = 0 THEN a$ = "Expected variable": GOTO errmes
layoutdone = 1
l$ = "SWAP" + sp + e1l$ + sp2 + "," + sp + e2l$
IF LEN(layout$) = 0 THEN layout$ = l$ ELSE layout$ = layout$ + sp + l$
'swap strings?
IF (e1typ AND ISSTRING) THEN
IF (e2typ AND ISSTRING) = 0 THEN a$ = "Type mismatch": GOTO errmes
e1$ = refer(e1$, e1typ, 0): e2$ = refer(e2$, e2typ, 0)
IF Error_Happened THEN GOTO errmes
PRINT #12, "swap_string(" + e1$ + "," + e2$ + ");"
GOTO finishedline
END IF
'swap UDT?
'note: entire UDTs, unlike thier elements cannot be swapped like standard variables
' as UDT sizes may vary, and to avoid a malloc operation, QB64 should allocate a buffer
' in global.txt for the purpose of swapping each UDT type
IF e1typ AND ISUDT THEN
a$ = e1$
'retrieve ID
i = INSTR(a$, sp3)
IF i THEN
idnumber = VAL(LEFT$(a$, i - 1)): a$ = RIGHT$(a$, LEN(a$) - i)
getid idnumber
IF Error_Happened THEN GOTO errmes
u = VAL(a$)
i = INSTR(a$, sp3): a$ = RIGHT$(a$, LEN(a$) - i): E = VAL(a$)
i = INSTR(a$, sp3): o$ = RIGHT$(a$, LEN(a$) - i)
n$ = "UDT_" + RTRIM$(id.n): IF id.t = 0 THEN n$ = "ARRAY_" + n$ + "[0]"
IF E = 0 THEN 'not an element of UDT u
lhsscope$ = scope$
e$ = e2$: t2 = e2typ
IF (t2 AND ISUDT) = 0 THEN a$ = "Expected SWAP with similar user defined type": GOTO errmes
idnumber2 = VAL(e$)
getid idnumber2
IF Error_Happened THEN GOTO errmes
n2$ = "UDT_" + RTRIM$(id.n): IF id.t = 0 THEN n2$ = "ARRAY_" + n2$ + "[0]"
i = INSTR(e$, sp3): e$ = RIGHT$(e$, LEN(e$) - i): u2 = VAL(e$)
i = INSTR(e$, sp3): e$ = RIGHT$(e$, LEN(e$) - i): e2 = VAL(e$)
i = INSTR(e$, sp3): o2$ = RIGHT$(e$, LEN(e$) - i)
'WARNING: u2 may need minor modifications based on e to see if they are the same
IF u <> u2 OR e2 <> 0 THEN a$ = "Expected SWAP with similar user defined type": GOTO errmes
dst$ = "(((char*)" + lhsscope$ + n$ + ")+(" + o$ + "))"
src$ = "(((char*)" + scope$ + n2$ + ")+(" + o2$ + "))"
B = udtxsize(u) \ 8
siz$ = str2$(B)
IF B = 1 THEN PRINT #12, "swap_8(" + src$ + "," + dst$ + ");"
IF B = 2 THEN PRINT #12, "swap_16(" + src$ + "," + dst$ + ");"
IF B = 4 THEN PRINT #12, "swap_32(" + src$ + "," + dst$ + ");"
IF B = 8 THEN PRINT #12, "swap_64(" + src$ + "," + dst$ + ");"
IF B <> 1 AND B <> 2 AND B <> 4 AND B <> 8 THEN PRINT #12, "swap_block(" + src$ + "," + dst$ + "," + siz$ + ");"
GOTO finishedline
END IF 'e=0
END IF 'i
END IF 'isudt
'cull irrelavent flags to make comparison possible
e1typc = e1typ
IF e1typc AND ISPOINTER THEN e1typc = e1typc - ISPOINTER
IF e1typc AND ISINCONVENTIONALMEMORY THEN e1typc = e1typc - ISINCONVENTIONALMEMORY
IF e1typc AND ISARRAY THEN e1typc = e1typc - ISARRAY
IF e1typc AND ISUNSIGNED THEN e1typc = e1typc - ISUNSIGNED
IF e1typc AND ISUDT THEN e1typc = e1typc - ISUDT
e2typc = e2typ
IF e2typc AND ISPOINTER THEN e2typc = e2typc - ISPOINTER
IF e2typc AND ISINCONVENTIONALMEMORY THEN e2typc = e2typc - ISINCONVENTIONALMEMORY
IF e2typc AND ISARRAY THEN e2typc = e2typc - ISARRAY
IF e2typc AND ISUNSIGNED THEN e2typc = e2typc - ISUNSIGNED
IF e2typc AND ISUDT THEN e2typc = e2typc - ISUDT
IF e1typc <> e2typc THEN a$ = "Type mismatch": GOTO errmes
t = e1typ
IF t AND ISOFFSETINBITS THEN a$ = "Cannot SWAP bit-length variables": GOTO errmes
B = t AND 511
t$ = str2$(B): IF B > 64 THEN t$ = "longdouble"
PRINT #12, "swap_" + t$ + "(&" + refer(e1$, e1typ, 0) + ",&" + refer(e2$, e2typ, 0) + ");"
IF Error_Happened THEN GOTO errmes
GOTO finishedline
END IF
IF firstelement$ = "OPTION" THEN
IF optionexplicit = 0 THEN e$ = " or OPTION _EXPLICIT" ELSE e$ = ""
IF n = 1 THEN a$ = "Expected OPTION BASE" + e$: GOTO errmes
e$ = getelement$(a$, 2)
SELECT CASE e$
CASE "BASE"
l$ = getelement$(a$, 3)
IF l$ <> "0" AND l$ <> "1" THEN a$ = "Expected OPTION BASE 0 or 1": GOTO errmes
IF l$ = "1" THEN optionbase = 1 ELSE optionbase = 0
l$ = "OPTION" + sp + "BASE" + sp + l$
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
CASE "_EXPLICIT"
IF optionexplicit = -1 AND NoIDEMode = 0 THEN a$ = "Duplicate OPTION _EXPLICIT": GOTO errmes
IF LEN(layout$) THEN a$ = "OPTION _EXPLICIT must come before any other statement": GOTO errmes
IF linenumber > 1 AND opex_comments = 0 THEN a$ = "OPTION _EXPLICIT must come before any other statement": GOTO errmes
optionexplicit = -1
l$ = "OPTION" + sp + "_EXPLICIT"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
GOTO finishedline
CASE ELSE
IF optionexplicit = 0 THEN e$ = " or OPTION _EXPLICIT" ELSE e$ = ""
a$ = "Expected OPTION BASE" + e$: GOTO errmes
END SELECT
END IF
'any other "unique" subs can be processed above
id2 = id
targetid = currentid
IF RTRIM$(id2.callname) = "sub_stub" THEN a$ = "Command not implemented": GOTO errmes
IF n > 1 THEN
IF id2.args = 0 THEN a$ = "SUB does not require any arguments": GOTO errmes
END IF
SetDependency id2.Dependency
seperateargs_error = 0
passedneeded = seperateargs(getelements(a$, 2, n), getelements(ca$, 2, n), passed&)
IF seperateargs_error THEN a$ = seperateargs_error_message: GOTO errmes
'backup args to local string array space before calling evaluate
FOR i = 1 TO OptMax: separgs2(i) = "": NEXT 'save space!
FOR i = 1 TO OptMax + 1: separgslayout2(i) = "": NEXT
FOR i = 1 TO id2.args: separgs2(i) = separgs(i): NEXT
FOR i = 1 TO id2.args + 1: separgslayout2(i) = separgslayout(i): NEXT
IF Debug THEN
PRINT #9, "separgs:": FOR i = 1 TO id2.args: PRINT #9, i, separgs2(i): NEXT
PRINT #9, "separgslayout:": FOR i = 1 TO id2.args + 1: PRINT #9, i, separgslayout2(i): NEXT
END IF
'note: seperateargs finds the arguments to pass and sets passed& as necessary
' FIXOPERTIONORDER is not called on these args yet
' what we need it to do is build a second array of layout info at the same time
' ref:DIM SHARED separgslayout(100) AS STRING
' the above array stores what layout info (if any) goes BEFORE the arg in question
' it has one extra index which is the arg after
IF usecall THEN
IF usecall = 1 THEN l$ = "CALL" + sp + RTRIM$(id.cn) + RTRIM$(id.musthave) + sp2 + "(" + sp2
IF usecall = 2 THEN l$ = "CALL" + sp + RTRIM$(id.cn) + RTRIM$(id.musthave) + sp 'sp at end for easy parsing
ELSE
l$ = RTRIM$(id.cn) + RTRIM$(id.musthave) + sp
END IF
subcall$ = RTRIM$(id.callname) + "("
addedlayout = 0
fieldcall = 0
'GET/PUT field exception
IF RTRIM$(id2.callname) = "sub_get" OR RTRIM$(id2.callname) = "sub_put" THEN
IF passed AND 2 THEN
'regular GET/PUT call with variable provided
passed = passed - 2 'for complience with existing methods, remove 'passed' flag for the passing of a variable
ELSE
'FIELD GET/PUT call with variable omited
IF RTRIM$(id2.callname) = "sub_get" THEN
fieldcall = 1
subcall$ = "field_get("
ELSE
fieldcall = 2
subcall$ = "field_put("
END IF
END IF
END IF 'field exception
IF RTRIM$(id2.callname) = "sub_timer" OR RTRIM$(id2.callname) = "sub_key" THEN 'spacing exception
IF usecall = 0 THEN
l$ = LEFT$(l$, LEN(l$) - 1) + sp2
END IF
END IF
FOR i = 1 TO id2.args
targettyp = CVL(MID$(id2.arg, -3 + i * 4, 4))
nele = ASC(MID$(id2.nele, i, 1))
nelereq = ASC(MID$(id2.nelereq, i, 1))
addlayout = 1 'omits option values in layout (eg. BINARY="2")
convertspacing = 0 'if an 'equation' is next, it will be preceeded by a space
x$ = separgslayout2$(i)
DO WHILE LEN(x$)
x = ASC(x$)
IF x THEN
convertspacing = 0
x2$ = MID$(x$, 2, x)
x$ = RIGHT$(x$, LEN(x$) - x - 1)
s = 0
an = 0
x3$ = RIGHT$(l$, 1)
IF x3$ = sp THEN s = 1
IF x3$ = sp2 THEN
s = 2
IF alphanumeric(ASC(RIGHT$(l$, 2))) THEN an = 1
ELSE
IF alphanumeric(ASC(x3$)) THEN an = 1
END IF
s1 = s
IF alphanumeric(ASC(x2$)) THEN convertspacing = 1
IF x2$ = "LPRINT" THEN
'x2$="LPRINT"
'x$=CHR$(0)
'x3$=[sp] from WIDTH[sp]
'therefore...
's=1
'an=0
'convertspacing=1
'if debug=1 then
'print #9,"LPRINT:"
'print #9,s
'print #9,an
'print #9,l$
'print #9,x2$
'end if
END IF
IF (an = 1 OR addedlayout = 1) AND alphanumeric(ASC(x2$)) <> 0 THEN
s = 1 'force space
x2$ = x2$ + sp2
GOTO customlaychar
END IF
IF x2$ = "=" THEN
s = 1
x2$ = x2$ + sp
GOTO customlaychar
END IF
IF x2$ = "#" THEN
s = 1
x2$ = x2$ + sp2
GOTO customlaychar
END IF
IF x2$ = "," THEN x2$ = x2$ + sp: GOTO customlaychar
IF x$ = CHR$(0) THEN 'substitution
IF x2$ = "STEP" THEN x2$ = x2$ + sp2: GOTO customlaychar
x2$ = x2$ + sp: GOTO customlaychar
END IF
'default solution sp2+?+sp2
x2$ = x2$ + sp2
customlaychar:
IF s = 0 THEN s = 2
IF s <> s1 THEN
IF s1 THEN l$ = LEFT$(l$, LEN(l$) - 1)
IF s = 1 THEN l$ = l$ + sp
IF s = 2 THEN l$ = l$ + sp2
END IF
IF (RTRIM$(id2.callname) = "sub_timer" OR RTRIM$(id2.callname) = "sub_key") AND i = id2.args THEN 'spacing exception
IF x2$ <> ")" + sp2 THEN
l$ = LEFT$(l$, LEN(l$) - 1) + sp
END IF
END IF
l$ = l$ + x2$
ELSE
addlayout = 0
x$ = RIGHT$(x$, LEN(x$) - 1)
END IF
addedlayout = 0
LOOP
'---better sub syntax checking begins here---
IF targettyp = -3 THEN
IF separgs2(i) = "N-LL" THEN a$ = "Expected array name": GOTO errmes
'names of numeric arrays have ( ) automatically appended (nothing else)
e$ = separgs2(i)
IF INSTR(e$, sp) = 0 THEN 'one element only
try_string$ = e$
try = findid(try_string$)
IF Error_Happened THEN GOTO errmes
DO
IF try THEN
IF id.arraytype THEN
IF (id.arraytype AND ISSTRING) = 0 THEN
e$ = e$ + sp + "(" + sp + ")"
EXIT DO
END IF
END IF
'---
IF try = 2 THEN findanotherid = 1: try = findid(try_string$) ELSE try = 0
IF Error_Happened THEN GOTO errmes
END IF 'if try
IF try = 0 THEN 'add symbol?
IF LEN(removesymbol$(try_string$)) = 0 THEN
IF Error_Happened THEN GOTO errmes
a = ASC(try_string$)
IF a >= 97 AND a <= 122 THEN a = a - 32
IF a = 95 THEN a = 91
a = a - 64
IF LEN(defineextaz(a)) THEN try_string$ = try_string$ + defineextaz(a): try = findid(try_string$)
IF Error_Happened THEN GOTO errmes
END IF
END IF 'try=0
LOOP UNTIL try = 0
END IF 'one element only
e$ = fixoperationorder$(e$)
IF Error_Happened THEN GOTO errmes
IF convertspacing = 1 AND addlayout = 1 THEN l$ = LEFT$(l$, LEN(l$) - 1) + sp
IF addlayout THEN l$ = l$ + tlayout$: addedlayout = 1
e$ = evaluatetotyp(e$, -2)
IF Error_Happened THEN GOTO errmes
GOTO sete
END IF '-3
IF targettyp = -2 THEN
e$ = fixoperationorder$(e$)
IF Error_Happened THEN GOTO errmes
IF convertspacing = 1 AND addlayout = 1 THEN l$ = LEFT$(l$, LEN(l$) - 1) + sp
IF addlayout THEN l$ = l$ + tlayout$: addedlayout = 1
e$ = evaluatetotyp(e$, -2)
IF Error_Happened THEN GOTO errmes
GOTO sete
END IF '-2
IF targettyp = -4 THEN
IF fieldcall THEN
i = id2.args + 1
EXIT FOR
END IF
IF separgs2(i) = "N-LL" THEN a$ = "Expected variable name/array element": GOTO errmes
e$ = fixoperationorder$(separgs2(i))
IF Error_Happened THEN GOTO errmes
IF convertspacing = 1 AND addlayout = 1 THEN l$ = LEFT$(l$, LEN(l$) - 1) + sp
IF addlayout THEN l$ = l$ + tlayout$: addedlayout = 1
'GET/PUT RANDOM-ACCESS override
IF firstelement$ = "GET" OR firstelement$ = "PUT" THEN
e2$ = e$ 'backup
e$ = evaluate(e$, sourcetyp)
IF Error_Happened THEN GOTO errmes
IF (sourcetyp AND ISSTRING) THEN
IF (sourcetyp AND ISFIXEDLENGTH) = 0 THEN
'replace name of sub to call
subcall$ = RIGHT$(subcall$, LEN(subcall$) - 7) 'delete original name
'note: GET2 & PUT2 take differing input, following code is correct
IF firstelement$ = "GET" THEN
subcall$ = "sub_get2" + subcall$
e$ = refer(e$, sourcetyp, 0) 'pass a qbs pointer instead
IF Error_Happened THEN GOTO errmes
GOTO sete
ELSE
subcall$ = "sub_put2" + subcall$
'no goto sete required, fall through
END IF
END IF
END IF
e$ = e2$ 'restore
END IF 'override
e$ = evaluatetotyp(e$, -4)
IF Error_Happened THEN GOTO errmes
GOTO sete
END IF '-4
IF separgs2(i) = "N-LL" THEN
e$ = "NULL"
ELSE
e2$ = fixoperationorder$(separgs2(i))
IF Error_Happened THEN GOTO errmes
IF convertspacing = 1 AND addlayout = 1 THEN l$ = LEFT$(l$, LEN(l$) - 1) + sp
IF addlayout THEN l$ = l$ + tlayout$: addedlayout = 1
e$ = evaluate(e2$, sourcetyp)
IF Error_Happened THEN GOTO errmes
IF sourcetyp AND ISOFFSET THEN
IF (targettyp AND ISOFFSET) = 0 THEN
IF id2.internal_subfunc = 0 THEN a$ = "Cannot convert _OFFSET type to other types": GOTO errmes
END IF
END IF
IF RTRIM$(id2.callname) = "sub_paint" THEN
IF i = 3 THEN
IF (sourcetyp AND ISSTRING) THEN
targettyp = ISSTRING
END IF
END IF
END IF
IF LEFT$(separgs2(i), 2) = "(" + sp THEN dereference = 1 ELSE dereference = 0
'pass by reference
IF (targettyp AND ISPOINTER) THEN
IF dereference = 0 THEN 'check deferencing wasn't used
'note: array pointer
IF (targettyp AND ISARRAY) THEN
IF (sourcetyp AND ISREFERENCE) = 0 THEN a$ = "Expected arrayname()": GOTO errmes
IF (sourcetyp AND ISARRAY) = 0 THEN a$ = "Expected arrayname()": GOTO errmes
IF Debug THEN PRINT #9, "sub:array reference:[" + e$ + "]"
'check arrays are of same type
targettyp2 = targettyp: sourcetyp2 = sourcetyp
targettyp2 = targettyp2 AND (511 + ISOFFSETINBITS + ISUDT + ISSTRING + ISFIXEDLENGTH + ISFLOAT)
sourcetyp2 = sourcetyp2 AND (511 + ISOFFSETINBITS + ISUDT + ISSTRING + ISFIXEDLENGTH + ISFLOAT)
IF sourcetyp2 <> targettyp2 THEN a$ = "Incorrect array type passed to sub": GOTO errmes
'check arrayname was followed by '()'
IF targettyp AND ISUDT THEN
IF Debug THEN PRINT #9, "sub:array reference:udt reference:[" + e$ + "]"
'get UDT info
udtrefid = VAL(e$)
getid udtrefid
IF Error_Happened THEN GOTO errmes
udtrefi = INSTR(e$, sp3) 'end of id
udtrefi2 = INSTR(udtrefi + 1, e$, sp3) 'end of u
udtrefu = VAL(MID$(e$, udtrefi + 1, udtrefi2 - udtrefi - 1))
udtrefi3 = INSTR(udtrefi2 + 1, e$, sp3) 'skip e
udtrefe = VAL(MID$(e$, udtrefi2 + 1, udtrefi3 - udtrefi2 - 1))
o$ = RIGHT$(e$, LEN(e$) - udtrefi3)
'note: most of the UDT info above is not required
IF LEFT$(o$, 4) <> "(0)*" THEN a$ = "Expected arrayname()": GOTO errmes
ELSE
IF RIGHT$(e$, 2) <> sp3 + "0" THEN a$ = "Expected arrayname()": GOTO errmes
END IF
idnum = VAL(LEFT$(e$, INSTR(e$, sp3) - 1))
getid idnum
IF Error_Happened THEN GOTO errmes
IF targettyp AND ISFIXEDLENGTH THEN
targettypsize = CVL(MID$(id2.argsize, i * 4 - 4 + 1, 4))
IF id.tsize <> targettypsize THEN a$ = "Incorrect array type passed to sub": GOTO errmes
END IF
IF MID$(sfcmemargs(targetid), i, 1) = CHR$(1) THEN 'cmem required?
IF cmemlist(idnum) = 0 THEN
cmemlist(idnum) = 1
recompile = 1
END IF
END IF
IF id.linkid = 0 THEN
'if id.linkid is 0, it means the number of array elements is definietly
'known of the array being passed, this is not some "fake"/unknown array.
'using the numer of array elements of a fake array would be dangerous!
IF nelereq = 0 THEN
'only continue if the number of array elements required is unknown
'and it needs to be set
IF id.arrayelements > 0 THEN '2009
nelereq = id.arrayelements
MID$(id2.nelereq, i, 1) = CHR$(nelereq)
END IF
'print rtrim$(id2.n)+">nelereq=";nelereq
ids(targetid) = id2
ELSE
'the number of array elements required is known AND
'the number of elements in the array to be passed is known
IF id.arrayelements <> nelereq THEN a$ = "Passing arrays with a differing number of elements to a SUB/FUNCTION is not supported (yet)": GOTO errmes
END IF
END IF
e$ = refer(e$, sourcetyp, 1)
IF Error_Happened THEN GOTO errmes
GOTO sete
END IF 'target is an array
'note: not an array...
'target is not an array
IF (targettyp AND ISSTRING) = 0 THEN
IF (sourcetyp AND ISREFERENCE) THEN
idnum = VAL(LEFT$(e$, INSTR(e$, sp3) - 1)) 'id# of sourcetyp
targettyp2 = targettyp: sourcetyp2 = sourcetyp
'get info about source/target
arr = 0: IF (sourcetyp2 AND ISARRAY) THEN arr = 1
passudtelement = 0: IF (targettyp2 AND ISUDT) = 0 AND (sourcetyp2 AND ISUDT) <> 0 THEN passudtelement = 1: sourcetyp2 = sourcetyp2 - ISUDT
'remove flags irrelevant for comparison... ISPOINTER,ISREFERENCE,ISINCONVENTIONALMEMORY,ISARRAY
targettyp2 = targettyp2 AND (511 + ISOFFSETINBITS + ISUDT + ISFLOAT + ISSTRING)
sourcetyp2 = sourcetyp2 AND (511 + ISOFFSETINBITS + ISUDT + ISFLOAT + ISSTRING)
'compare types
IF sourcetyp2 = targettyp2 THEN
IF sourcetyp AND ISUDT THEN
'udt/udt array
'get info
udtrefid = VAL(e$)
getid udtrefid
IF Error_Happened THEN GOTO errmes
udtrefi = INSTR(e$, sp3) 'end of id
udtrefi2 = INSTR(udtrefi + 1, e$, sp3) 'end of u
udtrefu = VAL(MID$(e$, udtrefi + 1, udtrefi2 - udtrefi - 1))
udtrefi3 = INSTR(udtrefi2 + 1, e$, sp3) 'skip e
udtrefe = VAL(MID$(e$, udtrefi2 + 1, udtrefi3 - udtrefi2 - 1))
o$ = RIGHT$(e$, LEN(e$) - udtrefi3)
'note: most of the UDT info above is not required
IF arr THEN
n$ = scope$ + "ARRAY_UDT_" + RTRIM$(id.n) + "[0]"
ELSE
n$ = scope$ + "UDT_" + RTRIM$(id.n)
END IF
e$ = "(void*)( ((char*)(" + n$ + ")) + (" + o$ + ") )"
'convert void* to target type*
IF passudtelement THEN e$ = "(" + typ2ctyp$(targettyp2 + (targettyp AND ISUNSIGNED), "") + "*)" + e$
IF Error_Happened THEN GOTO errmes
ELSE
'not a udt
IF arr THEN
IF (sourcetyp2 AND ISOFFSETINBITS) THEN a$ = "Cannot pass BIT array offsets yet": GOTO errmes
e$ = "(&(" + refer(e$, sourcetyp, 0) + "))"
IF Error_Happened THEN GOTO errmes
ELSE
e$ = refer(e$, sourcetyp, 1)
IF Error_Happened THEN GOTO errmes
END IF
'note: signed/unsigned mismatch requires casting
IF (sourcetyp AND ISUNSIGNED) <> (targettyp AND ISUNSIGNED) THEN
e$ = "(" + typ2ctyp$(targettyp2 + (targettyp AND ISUNSIGNED), "") + "*)" + e$
IF Error_Happened THEN GOTO errmes
END IF
END IF 'udt?
IF MID$(sfcmemargs(targetid), i, 1) = CHR$(1) THEN 'cmem required?
IF cmemlist(idnum) = 0 THEN
cmemlist(idnum) = 1
recompile = 1
END IF
END IF
GOTO sete
END IF 'similar
END IF 'reference
ELSE 'not a string
'its a string
IF (sourcetyp AND ISREFERENCE) THEN
idnum = VAL(LEFT$(e$, INSTR(e$, sp3) - 1)) 'id# of sourcetyp
IF MID$(sfcmemargs(targetid), i, 1) = CHR$(1) THEN 'cmem required?
IF cmemlist(idnum) = 0 THEN
cmemlist(idnum) = 1
recompile = 1
END IF
END IF
END IF 'reference
END IF 'its a string
END IF 'dereference check
END IF 'target is a pointer
'note: Target is not a pointer...
'String-numeric mismatch?
IF targettyp AND ISSTRING THEN
IF (sourcetyp AND ISSTRING) = 0 THEN
nth = i
IF ids(targetid).args = 1 THEN a$ = "String required for sub": GOTO errmes
a$ = str_nth$(nth) + " sub argument requires a string": GOTO errmes
END IF
END IF
IF (targettyp AND ISSTRING) = 0 THEN
IF sourcetyp AND ISSTRING THEN
nth = i
IF ids(targetid).args = 1 THEN a$ = "Number required for sub": GOTO errmes
a$ = str_nth$(nth) + " sub argument requires a number": GOTO errmes
END IF
END IF
'change to "non-pointer" value
IF (sourcetyp AND ISREFERENCE) THEN
e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN GOTO errmes
END IF
IF explicitreference = 0 THEN
IF targettyp AND ISUDT THEN
nth = i
x$ = "'" + RTRIM$(udtxcname(targettyp AND 511)) + "'"
IF ids(targetid).args = 1 THEN a$ = "TYPE " + x$ + " required for sub": GOTO errmes
a$ = str_nth$(nth) + " sub argument requires TYPE " + x$: GOTO errmes
END IF
ELSE
IF sourcetyp AND ISUDT THEN a$ = "Number required for sub": GOTO errmes
END IF
'round to integer if required
IF (sourcetyp AND ISFLOAT) THEN
IF (targettyp AND ISFLOAT) = 0 THEN
'**32 rounding fix
bits = targettyp AND 511
IF bits <= 16 THEN e$ = "qbr_float_to_long(" + e$ + ")"
IF bits > 16 AND bits < 32 THEN e$ = "qbr_double_to_long(" + e$ + ")"
IF bits >= 32 THEN e$ = "qbr(" + e$ + ")"
END IF
END IF
IF (targettyp AND ISPOINTER) THEN 'pointer required
IF (targettyp AND ISSTRING) THEN GOTO sete 'no changes required
t$ = typ2ctyp$(targettyp, "")
IF Error_Happened THEN GOTO errmes
v$ = "pass" + str2$(uniquenumber)
'assume numeric type
IF MID$(sfcmemargs(targetid), i, 1) = CHR$(1) THEN 'cmem required?
bytesreq = ((targettyp AND 511) + 7) \ 8
PRINT #defdatahandle, t$ + " *" + v$ + "=NULL;"
PRINT #13, "if(" + v$ + "==NULL){"
PRINT #13, "cmem_sp-=" + str2(bytesreq) + ";"
PRINT #13, v$ + "=(" + t$ + "*)(dblock+cmem_sp);"
PRINT #13, "if (cmem_spchr"
END IF
IF LTRIM$(RTRIM$(e$)) = "0" THEN e$ = "NULL"
END IF
IF i <> 1 THEN subcall$ = subcall$ + ","
subcall$ = subcall$ + e$
NEXT
'note: i=id.args+1
x$ = separgslayout2$(i)
DO WHILE LEN(x$)
x = ASC(x$)
IF x THEN
x2$ = MID$(x$, 2, x)
x$ = RIGHT$(x$, LEN(x$) - x - 1)
s = 0
an = 0
x3$ = RIGHT$(l$, 1)
IF x3$ = sp THEN s = 1
IF x3$ = sp2 THEN
s = 2
IF alphanumeric(ASC(RIGHT$(l$, 2))) THEN an = 1
'if asc(right$(l$,2))=34 then an=1
ELSE
IF alphanumeric(ASC(x3$)) THEN an = 1
'if asc(x3$)=34 then an=1
END IF
s1 = s
IF (an = 1 OR addedlayout = 1) AND alphanumeric(ASC(x2$)) <> 0 THEN
s = 1 'force space
x2$ = x2$ + sp2
GOTO customlaychar2
END IF
IF x2$ = "=" THEN
s = 1
x2$ = x2$ + sp
GOTO customlaychar2
END IF
IF x2$ = "#" THEN
s = 1
x2$ = x2$ + sp2
GOTO customlaychar2
END IF
IF x2$ = "," THEN x2$ = x2$ + sp: GOTO customlaychar2
IF x$ = CHR$(0) THEN 'substitution
IF x2$ = "STEP" THEN x2$ = x2$ + sp2: GOTO customlaychar2
x2$ = x2$ + sp: GOTO customlaychar2
END IF
'default solution sp2+?+sp2
x2$ = x2$ + sp2
customlaychar2:
IF s = 0 THEN s = 2
IF s <> s1 THEN
IF s1 THEN l$ = LEFT$(l$, LEN(l$) - 1)
IF s = 1 THEN l$ = l$ + sp
IF s = 2 THEN l$ = l$ + sp2
END IF
l$ = l$ + x2$
ELSE
addlayout = 0
x$ = RIGHT$(x$, LEN(x$) - 1)
END IF
addedlayout = 0
LOOP
IF passedneeded THEN
subcall$ = subcall$ + "," + str2$(passed&)
END IF
subcall$ = subcall$ + ");"
PRINT #12, subcall$
subcall$ = ""
IF stringprocessinghappened THEN PRINT #12, cleanupstringprocessingcall$ + "0);"
layoutdone = 1
x$ = RIGHT$(l$, 1): IF x$ = sp OR x$ = sp2 THEN l$ = LEFT$(l$, LEN(l$) - 1)
IF usecall = 1 THEN l$ = l$ + sp2 + ")"
IF Debug THEN PRINT #9, "SUB layout:[" + l$ + "]"
IF LEN(layout$) = 0 THEN layout$ = l$ ELSE layout$ = layout$ + sp + l$
GOTO finishedline
END IF
IF try = 2 THEN
findidsecondarg = "": IF n >= 2 THEN findidsecondarg = getelement$(a$, 2)
findanotherid = 1
try = findid(firstelement$)
IF Error_Happened THEN GOTO errmes
ELSE
try = 0
END IF
LOOP
END IF
notsubcall:
IF n >= 1 THEN
IF firstelement$ = "LET" THEN
IF n = 1 THEN a$ = "Syntax error": GOTO errmes
ca$ = RIGHT$(ca$, LEN(ca$) - 4)
n = n - 1
l$ = "LET"
IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
'note: layoutdone=1 will be set later
GOTO letused
END IF
END IF
'LET ???=???
IF n >= 3 THEN
IF INSTR(a$, sp + "=" + sp) THEN
letused:
assign ca$, n
IF Error_Happened THEN GOTO errmes
layoutdone = 1
IF LEN(layout$) = 0 THEN layout$ = tlayout$ ELSE layout$ = layout$ + sp + tlayout$
GOTO finishedline
END IF
END IF '>=3
IF RIGHT$(a$, 2) = sp + "=" THEN a$ = "Expected ... = expression": GOTO errmes
'Syntax error
a$ = "Syntax error": GOTO errmes
finishedline:
THENGOTO = 0
finishedline2:
IF arrayprocessinghappened = 1 THEN arrayprocessinghappened = 0
inclinenump$ = ""
IF inclinenumber(inclevel) THEN
inclinenump$ = "," + str2$(inclinenumber(inclevel))
thisincname$ = getfilepath$(incname$(inclevel))
thisincname$ = MID$(incname$(inclevel), LEN(thisincname$) + 1)
inclinenump$ = inclinenump$ + "," + CHR$(34) + thisincname$ + CHR$(34)
END IF
IF NoChecks = 0 THEN
IF dynscope THEN
dynscope = 0
PRINT #12, "if(qbevent){evnt(" + str2$(linenumber) + inclinenump$ + ");if(r)goto S_" + str2$(statementn) + ";}"
ELSE
PRINT #12, "if(!qbevent)break;evnt(" + str2$(linenumber) + inclinenump$ + ");}while(r);"
END IF
END IF
finishednonexec:
IF layoutdone = 0 THEN layoutok = 0 'invalidate layout if not handled
IF continuelinefrom = 0 THEN 'note: manager #2 requires this condition
'Include Manager #2 '***
IF LEN(addmetainclude$) THEN
IF inclevel = 0 THEN
'backup line formatting
layoutcomment_backup$ = layoutcomment$
layoutok_backup = layoutok
layout_backup$ = layout$
END IF
a$ = addmetainclude$: addmetainclude$ = "" 'read/clear message
IF inclevel = 0 THEN
includingFromRoot = 0
forceIncludingFile = 0
forceInclude:
IF forceIncludeFromRoot$ <> "" THEN
a$ = forceIncludeFromRoot$
forceIncludeFromRoot$ = ""
forceIncludingFile = 1
includingFromRoot = 1
END IF
END IF
IF inclevel = 100 THEN a$ = "Too many indwelling INCLUDE files": GOTO errmes
'1. Verify file exists (location is either (a)relative to source file or (b)absolute)
fh = 99 + inclevel + 1
firstTryMethod = 1
IF includingFromRoot <> 0 AND inclevel = 0 THEN firstTryMethod = 2
FOR try = firstTryMethod TO 2 'if including file from root, do not attempt including from relative location
IF try = 1 THEN
IF inclevel = 0 THEN
IF idemode THEN p$ = idepath$ + pathsep$ ELSE p$ = getfilepath$(sourcefile$)
ELSE
p$ = getfilepath$(incname(inclevel))
END IF
f$ = p$ + a$
END IF
IF try = 2 THEN f$ = a$
IF _FILEEXISTS(f$) THEN
qberrorhappened = -2 '***
OPEN f$ FOR BINARY AS #fh
qberrorhappened2: '***
IF qberrorhappened = -2 THEN EXIT FOR '***
END IF
qberrorhappened = 0
NEXT
IF qberrorhappened <> -2 THEN qberrorhappened = 0: a$ = "File " + a$ + " not found": GOTO errmes
inclevel = inclevel + 1: incname$(inclevel) = f$: inclinenumber(inclevel) = 0
END IF 'fall through to next section...
'--------------------
DO WHILE inclevel
fh = 99 + inclevel
'2. Feed next line
IF EOF(fh) = 0 THEN
LINE INPUT #fh, x$
a3$ = x$
continuelinefrom = 0
inclinenumber(inclevel) = inclinenumber(inclevel) + 1
'create extended error string 'incerror$'
errorLineInInclude = inclinenumber(inclevel)
e$ = " in line " + str2(inclinenumber(inclevel)) + " of " + incname$(inclevel) + " included"
IF inclevel > 1 THEN
e$ = e$ + " (through "
FOR x = 1 TO inclevel - 1 STEP 1
e$ = e$ + incname$(x)
IF x < inclevel - 1 THEN 'a sep is req
IF x = inclevel - 2 THEN
e$ = e$ + " then "
ELSE
e$ = e$ + ", "
END IF
END IF
NEXT
e$ = e$ + ")"
END IF
incerror$ = e$
linenumber = linenumber - 1 'lower official linenumber to counter later increment
IF idemode THEN sendc$ = CHR$(10) + a3$: GOTO sendcommand 'passback
GOTO includeline
END IF
'3. Close & return control
CLOSE #fh
inclevel = inclevel - 1
IF inclevel = 0 THEN
IF forceIncludingFile = 1 THEN
forceIncludingFile = 0
GOTO forceIncludeCompleted
END IF
'restore line formatting
layoutok = layoutok_backup
layout$ = layout_backup$
layoutcomment$ = layoutcomment_backup$
END IF
LOOP 'fall through to next section...
'(end manager)
END IF 'continuelinefrom=0
IF Debug THEN
PRINT #9, "[layout check]"
PRINT #9, "[" + layoutoriginal$ + "]"
PRINT #9, "[" + layout$ + "]"
PRINT #9, layoutok
PRINT #9, "[end layout check]"
END IF
IF idemode THEN
IF continuelinefrom <> 0 THEN GOTO ide4 'continue processing other commands on line
IF LEN(layoutcomment$) THEN
IF LEN(layout$) THEN layout$ = layout$ + sp + layoutcomment$ ELSE layout$ = layoutcomment$
END IF
IF layoutok = 0 THEN
layout$ = layoutoriginal$
ELSE
'reverse '046' changes present in autolayout
'replace fix046$ with .
i = INSTR(layout$, fix046$)
DO WHILE i
layout$ = LEFT$(layout$, i - 1) + "." + RIGHT$(layout$, LEN(layout$) - (i + LEN(fix046$) - 1))
i = INSTR(layout$, fix046$)
LOOP
END IF
x = lhscontrollevel: IF controllevel < lhscontrollevel THEN x = controllevel
IF definingtype = 2 THEN x = x + 1
IF definingtype > 0 THEN definingtype = 2
IF declaringlibrary = 2 THEN x = x + 1
IF declaringlibrary > 0 THEN declaringlibrary = 2
layout$ = SPACE$(x) + layout$
IF linecontinuation THEN layout$ = ""
GOTO ideret4 'return control to IDE
END IF
'layout is not currently used by the compiler (as appose to the IDE), if it was it would be used here
skipide4:
LOOP
'add final line
IF lastLineReturn = 0 THEN
lastLineReturn = 1
lastLine = 1
wholeline$ = ""
GOTO mainpassLastLine
END IF
ide5:
linenumber = 0
IF closedmain = 0 THEN closemain
IF definingtype THEN linenumber = definingtypeerror: a$ = "TYPE without END TYPE": GOTO errmes
'check for open controls (copy #1)
IF controllevel THEN
x = controltype(controllevel)
a$ = "Unidentified open control block"
IF x = 1 THEN a$ = "IF without END IF"
IF x = 2 THEN a$ = "FOR without NEXT"
IF x = 3 OR x = 4 THEN a$ = "DO without LOOP"
IF x = 5 THEN a$ = "WHILE without WEND"
IF x = 6 THEN a$ = "$IF without $END IF"
IF (x >= 10 AND x <= 17) OR x = 18 OR x = 19 THEN a$ = "SELECT CASE without END SELECT"
linenumber = controlref(controllevel)
GOTO errmes
END IF
IF LEN(subfunc) THEN a$ = "SUB/FUNCTION without END SUB/FUNCTION": GOTO errmes
'close the error handler (cannot be put in 'closemain' because subs/functions can also add error jumps to this file)
PRINT #14, "exit(99);" 'in theory this line should never be run!
PRINT #14, "}" 'close error jump handler
'create CLEAR method "CLEAR"
CLOSE #12 'close code handle
OPEN tmpdir$ + "clear.txt" FOR OUTPUT AS #12 'direct code to clear.txt
FOR i = 1 TO idn
IF ids(i).staticscope THEN 'static scope?
subfunc = RTRIM$(ids(i).insubfunc) 'set static scope
GOTO clearstaticscope
END IF
a = ASC(ids(i).insubfunc)
IF a = 0 OR a = 32 THEN 'global scope?
subfunc = "" 'set global scope
clearstaticscope:
IF ids(i).arraytype THEN 'an array
getid i
IF Error_Happened THEN GOTO errmes
IF id.arrayelements = -1 THEN GOTO clearerasereturned 'cannot erase non-existant array
clearerasereturn = 1: GOTO clearerase
END IF 'array
IF ids(i).t THEN 'non-array variable
getid i
IF Error_Happened THEN GOTO errmes
bytes$ = variablesize$(-1)
IF Error_Happened THEN GOTO errmes
'create a reference
typ = id.t + ISREFERENCE
IF typ AND ISUDT THEN
e$ = str2(i) + sp3 + str2(typ AND 511) + sp3 + "0" + sp3 + "0"
ELSE
e$ = str2(i)
END IF
e$ = refer$(e$, typ, 1)
IF Error_Happened THEN GOTO errmes
IF typ AND ISSTRING THEN
IF typ AND ISFIXEDLENGTH THEN
PRINT #12, "memset((void*)(" + e$ + "->chr),0," + bytes$ + ");"
GOTO cleared
ELSE
PRINT #12, e$ + "->len=0;"
GOTO cleared
END IF
END IF
IF typ AND ISUDT THEN
PRINT #12, "memset((void*)" + e$ + ",0," + bytes$ + ");"
ELSE
PRINT #12, "*" + e$ + "=0;"
END IF
GOTO cleared
END IF 'non-array variable
END IF 'scope
cleared:
clearerasereturned:
NEXT
CLOSE #12
IF Debug THEN
PRINT #9, "finished making program!"
PRINT #9, "recompile="; recompile
END IF
'Set cmem flags for subs/functions requiring data passed in cmem
FOR i = 1 TO idn
IF cmemlist(i) THEN 'must be in cmem
getid i
IF Error_Happened THEN GOTO errmes
IF Debug THEN PRINT #9, "recompiling cmem sf! checking:"; RTRIM$(id.n)
IF id.sfid THEN 'it is an argument of a sub/function
IF Debug THEN PRINT #9, "recompiling cmem sf! It's a sub/func arg!"
i2 = id.sfid
x = id.sfarg
IF Debug THEN PRINT #9, "recompiling cmem sf! values:"; i2; x
'check if cmem flag is set, if not then set it & force recompile
IF MID$(sfcmemargs(i2), x, 1) <> CHR$(1) THEN
MID$(sfcmemargs(i2), x, 1) = CHR$(1)
IF Debug THEN PRINT #9, "recompiling cmem sf! setting:"; i2; x
recompile = 1
END IF
END IF
END IF
NEXT i
unresolved = 0
FOR i = 1 TO idn
getid i
IF Error_Happened THEN GOTO errmes
IF Debug THEN PRINT #9, "checking id named:"; id.n
IF id.subfunc THEN
FOR i2 = 1 TO id.args
t = CVL(MID$(id.arg, i2 * 4 - 3, 4))
IF t > 0 THEN
IF (t AND ISPOINTER) THEN
IF (t AND ISARRAY) THEN
IF Debug THEN PRINT #9, "checking argument "; i2; " of "; id.args
nele = ASC(MID$(id.nele, i2, 1))
nelereq = ASC(MID$(id.nelereq, i2, 1))
IF Debug THEN PRINT #9, "nele="; nele
IF Debug THEN PRINT #9, "nelereq="; nelereq
IF nele <> nelereq THEN
IF Debug THEN PRINT #9, "mismatch detected!"
unresolved = unresolved + 1
sflistn = sflistn + 1
sfidlist(sflistn) = i
sfarglist(sflistn) = i2
sfelelist(sflistn) = nelereq '0 means still unknown
END IF
END IF
END IF
END IF
NEXT
END IF
NEXT
'is recompilation required to resolve this?
IF unresolved > 0 THEN
IF lastunresolved = -1 THEN
'first pass
recompile = 1
IF Debug THEN
PRINT #9, "recompiling to resolve array elements (first time)"
PRINT #9, "sflistn="; sflistn
PRINT #9, "oldsflistn="; oldsflistn
END IF
ELSE
'not first pass
IF unresolved < lastunresolved THEN
recompile = 1
IF Debug THEN
PRINT #9, "recompiling to resolve array elements (not first time)"
PRINT #9, "sflistn="; sflistn
PRINT #9, "oldsflistn="; oldsflistn
END IF
END IF
END IF
END IF 'unresolved
lastunresolved = unresolved
'IDEA!
'have a flag to record if anything gets resolved in a pass
'if not then it's time to stop
'the problem is the same amount of new problems may be created by a
'resolve as those that get fixed
'also/or.. could it be that previous fixes are overridden in a recompile
' by a new fix? if so, it would give these effects
'could recompilation resolve this?
'IF sflistn <> -1 THEN
'IF sflistn <> oldsflistn THEN
'recompile = 1
'
'if debug then
'print #9,"recompile set to 1 to resolve array elements"
'print #9,"sflistn=";sflistn
'print #9,"oldsflistn=";oldsflistn
'end if
'
'END IF
'END IF
IF Debug THEN PRINT #9, "Beginning COMMON array list check..."
xi = 1
FOR x = 1 TO commonarraylistn
varname$ = getelement$(commonarraylist, xi): xi = xi + 1
typ$ = getelement$(commonarraylist, xi): xi = xi + 1
dimmethod2 = VAL(getelement$(commonarraylist, xi)): xi = xi + 1
dimshared2 = VAL(getelement$(commonarraylist, xi)): xi = xi + 1
'find the array ID (try method)
t = typname2typ(typ$)
IF Error_Happened THEN GOTO errmes
IF (t AND ISUDT) = 0 THEN varname$ = varname$ + type2symbol$(typ$)
IF Error_Happened THEN GOTO errmes
IF Debug THEN PRINT #9, "Checking for array '" + varname$ + "'..."
try = findid(varname$)
IF Error_Happened THEN GOTO errmes
DO WHILE try
IF id.arraytype THEN GOTO foundcommonarray2
IF try = 2 THEN findanotherid = 1: try = findid(varname$) ELSE try = 0
IF Error_Happened THEN GOTO errmes
LOOP
foundcommonarray2:
IF Debug THEN PRINT #9, "Found array '" + varname$ + "!"
IF id.arrayelements = -1 THEN
IF arrayelementslist(currentid) <> 0 THEN recompile = 1
IF Debug THEN PRINT #9, "Recompiling to resolve elements of:" + varname$
END IF
NEXT
IF Debug THEN PRINT #9, "Finished COMMON array list check!"
IF DesiredVirtualKeyboardState <> VirtualKeyboardState THEN
RecompileAttemptsForVirtualKeyboardState = RecompileAttemptsForVirtualKeyboardState + 1
recompile = 1
END IF
IF recompile THEN
do_recompile:
IF Debug THEN PRINT #9, "Recompile required!"
recompile = 0
IF idemode THEN iderecompile = 1
FOR closeall = 1 TO 255: CLOSE closeall: NEXT
OPEN tmpdir$ + "temp.bin" FOR OUTPUT LOCK WRITE AS #26 'relock
GOTO recompile
END IF
IF Debug THEN PRINT #9, "Beginning label check..."
FOR r = 1 TO nLabels
IF Labels(r).Scope_Restriction THEN
a$ = RTRIM$(Labels(r).cn)
ignore = validlabel(a$)
v = HashFind(a$, HASHFLAG_LABEL, ignore, r2)
addlabchk7:
IF v THEN
IF Labels(r2).Scope = Labels(r).Scope_Restriction THEN
linenumber = Labels(r).Error_Line: a$ = "Common label within a SUB/FUNCTION": GOTO errmes
END IF
IF v = 2 THEN v = HashFindCont(ignore, r2): GOTO addlabchk7
END IF 'v
END IF 'restriction
'check for undefined labels
IF Labels(r).State = 0 THEN
IF INSTR(PossibleSubNameLabels$, sp + UCASE$(RTRIM$(Labels(r).cn)) + sp) THEN
IF INSTR(SubNameLabels$, sp + UCASE$(RTRIM$(Labels(r).cn)) + sp) = 0 THEN 'not already added
SubNameLabels$ = SubNameLabels$ + UCASE$(RTRIM$(Labels(r).cn)) + sp
IF Debug THEN PRINT #9, "Recompiling to resolve label:"; RTRIM$(Labels(r).cn)
GOTO do_recompile
END IF
END IF
linenumber = Labels(r).Error_Line: a$ = "Label not defined": GOTO errmes
END IF
IF Labels(r).Data_Referenced THEN
'check for ambiguous RESTORE reference
x = 0
a$ = RTRIM$(Labels(r).cn)
ignore = validlabel(a$)
v = HashFind(a$, HASHFLAG_LABEL, ignore, r2)
addlabchk4:
IF v THEN
x = x + 1
IF v = 2 THEN v = HashFindCont(ignore, r2): GOTO addlabchk4
END IF 'v
IF x <> 1 THEN linenumber = Labels(r).Error_Line: a$ = "Ambiguous DATA label": GOTO errmes
'add global data offset variable
PRINT #18, "ptrszint data_at_LABEL_" + a$ + "=" + str2(Labels(r).Data_Offset) + ";"
END IF 'data referenced
NEXT
IF Debug THEN PRINT #9, "Finished check!"
'if targettyp=-4 or targettyp=-5 then '? -> byte_element(offset,element size in bytes)
' IF (sourcetyp AND ISREFERENCE) = 0 THEN a$ = "Expected variable name/array element": GOTO errmes
'create include files for COMMON arrays
CLOSE #12
'return to 'main'
subfunc$ = ""
defdatahandle = 18
CLOSE #13: OPEN tmpdir$ + "maindata.txt" FOR APPEND AS #13
CLOSE #19: OPEN tmpdir$ + "mainfree.txt" FOR APPEND AS #19
IF Console THEN
PRINT #18, "int32 console=1;"
ELSE
PRINT #18, "int32 console=0;"
END IF
IF ScreenHide THEN
PRINT #18, "int32 screen_hide_startup=1;"
ELSE
PRINT #18, "int32 screen_hide_startup=0;"
END IF
fh = FREEFILE
OPEN tmpdir$ + "dyninfo.txt" FOR APPEND AS #fh
IF Resize THEN
PRINT #fh, "ScreenResize=1;"
END IF
IF Resize_Scale THEN
PRINT #fh, "ScreenResizeScale=" + str2(Resize_Scale) + ";"
END IF
CLOSE #fh
'DATA_finalize
PRINT #18, "ptrszint data_size=" + str2(DataOffset) + ";"
IF DataOffset = 0 THEN
PRINT #18, "uint8 *data=(uint8*)calloc(1,1);"
ELSE
IF inline_DATA = 0 THEN
IF os$ = "WIN" THEN
IF OS_BITS = 32 THEN
x$ = CHR$(0): PUT #16, , x$
PRINT #18, "extern " + CHR$(34) + "C" + CHR$(34) + "{"
PRINT #18, "extern char *binary_____temp" + tempfolderindexstr2$ + "__data_bin_start;"
PRINT #18, "}"
PRINT #18, "uint8 *data=(uint8*)&binary_____temp" + tempfolderindexstr2$ + "__data_bin_start;"
ELSE
x$ = CHR$(0): PUT #16, , x$
PRINT #18, "extern " + CHR$(34) + "C" + CHR$(34) + "{"
PRINT #18, "extern char *_binary_____temp" + tempfolderindexstr2$ + "__data_bin_start;"
PRINT #18, "}"
PRINT #18, "uint8 *data=(uint8*)&_binary_____temp" + tempfolderindexstr2$ + "__data_bin_start;"
END IF
END IF
IF os$ = "LNX" THEN
x$ = CHR$(0): PUT #16, , x$
PRINT #18, "extern " + CHR$(34) + "C" + CHR$(34) + "{"
PRINT #18, "extern char *_binary____temp" + tempfolderindexstr2$ + "_data_bin_start;"
PRINT #18, "}"
PRINT #18, "uint8 *data=(uint8*)&_binary____temp" + tempfolderindexstr2$ + "_data_bin_start;"
END IF
ELSE
'inline data
CLOSE #16
ff = FREEFILE
OPEN tmpdir$ + "data.bin" FOR BINARY AS #ff
x$ = SPACE$(LOF(ff))
GET #ff, , x$
CLOSE #ff
x2$ = "uint8 inline_data[]={"
FOR i = 1 TO LEN(x$)
x2$ = x2$ + inlinedatastr$(ASC(x$, i))
NEXT
x2$ = x2$ + "0};"
PRINT #18, x2$
PRINT #18, "uint8 *data=&inline_data[0];"
x$ = "": x2$ = ""
END IF
END IF
IF Debug THEN PRINT #9, "Beginning generation of code for saving/sharing common array data..."
use_global_byte_elements = 1
ncommontmp = 0
xi = 1
FOR x = 1 TO commonarraylistn
varname$ = getelement$(commonarraylist, xi): xi = xi + 1
typ$ = getelement$(commonarraylist, xi): xi = xi + 1
dimmethod2 = VAL(getelement$(commonarraylist, xi)): xi = xi + 1
dimshared2 = VAL(getelement$(commonarraylist, xi)): xi = xi + 1
'find the array ID (try method)
purevarname$ = varname$
t = typname2typ(typ$)
IF Error_Happened THEN GOTO errmes
IF (t AND ISUDT) = 0 THEN varname$ = varname$ + type2symbol$(typ$)
IF Error_Happened THEN GOTO errmes
try = findid(varname$)
IF Error_Happened THEN GOTO errmes
DO WHILE try
IF id.arraytype THEN GOTO foundcommonarray
IF try = 2 THEN findanotherid = 1: try = findid(varname$) ELSE try = 0
IF Error_Happened THEN GOTO errmes
LOOP
a$ = "COMMON array unlocatable": GOTO errmes 'should never happen
foundcommonarray:
IF Debug THEN PRINT #9, "Found common array '" + varname$ + "'!"
i = currentid
arraytype = id.arraytype
arrayelements = id.arrayelements
e$ = RTRIM$(id.n)
IF (t AND ISUDT) = 0 THEN e$ = e$ + typevalue2symbol$(t)
IF Error_Happened THEN GOTO errmes
n$ = e$
n2$ = RTRIM$(id.callname)
tsize = id.tsize
'select command
command = 3 'fixed length elements
IF t AND ISSTRING THEN
IF (t AND ISFIXEDLENGTH) = 0 THEN
command = 4 'var-len elements
END IF
END IF
'if...
'i) array elements are still undefined (ie. arrayelements=-1) pass the input content along
' if any existed or an array-placeholder
'ii) if the array's elements were defined, any input content would have been loaded so the
' array (in whatever state it currently is) should be passed. If it is currently erased
' then it should be passed as a placeholder
IF arrayelements = -1 THEN
'load array (copies the array, if any, into a buffer for later)
OPEN tmpdir$ + "inpchain" + str2$(i) + ".txt" FOR OUTPUT AS #12
PRINT #12, "if (int32val==2){" 'array place-holder
'create buffer to store array as-is in global.txt
x$ = str2$(uniquenumber)
x1$ = "chainarraybuf" + x$
x2$ = "chainarraybufsiz" + x$
PRINT #18, "static uint8 *" + x1$ + "=(uint8*)malloc(1);"
PRINT #18, "static int64 " + x2$ + "=0;"
'read next command
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)&int32val,4," + NewByteElement$ + "),0);"
IF command = 3 THEN PRINT #12, "if (int32val==3){" 'fixed-length-element array
IF command = 4 THEN PRINT #12, "if (int32val==4){" 'var-length-element array
PRINT #12, x2$ + "+=4; " + x1$ + "=(uint8*)realloc(" + x1$ + "," + x2$ + "); *(int32*)(" + x1$ + "+" + x2$ + "-4)=int32val;"
IF command = 3 THEN
'read size in bits of one element, convert it to bytes
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)&int64val,8," + NewByteElement$ + "),0);"
PRINT #12, x2$ + "+=8; " + x1$ + "=(uint8*)realloc(" + x1$ + "," + x2$ + "); *(int64*)(" + x1$ + "+" + x2$ + "-8)=int64val;"
PRINT #12, "bytes=int64val>>3;"
END IF 'com=3
IF command = 4 THEN PRINT #12, "bytes=1;" 'bytes used to calculate number of elements
'read number of dimensions
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)&int32val,4," + NewByteElement$ + "),0);"
PRINT #12, x2$ + "+=4; " + x1$ + "=(uint8*)realloc(" + x1$ + "," + x2$ + "); *(int32*)(" + x1$ + "+" + x2$ + "-4)=int32val;"
'read size of dimensions & calculate the size of the array in bytes
PRINT #12, "while(int32val--){"
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)&int64val,8," + NewByteElement$ + "),0);" 'lbound
PRINT #12, x2$ + "+=8; " + x1$ + "=(uint8*)realloc(" + x1$ + "," + x2$ + "); *(int64*)(" + x1$ + "+" + x2$ + "-8)=int64val;"
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)&int64val2,8," + NewByteElement$ + "),0);" 'ubound
PRINT #12, x2$ + "+=8; " + x1$ + "=(uint8*)realloc(" + x1$ + "," + x2$ + "); *(int64*)(" + x1$ + "+" + x2$ + "-8)=int64val2;"
PRINT #12, "bytes*=(int64val2-int64val+1);"
PRINT #12, "}"
IF command = 3 THEN
'read the array data
PRINT #12, x2$ + "+=bytes; " + x1$ + "=(uint8*)realloc(" + x1$ + "," + x2$ + ");"
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)(" + x1$ + "+" + x2$ + "-bytes),bytes," + NewByteElement$ + "),0);"
END IF 'com=3
IF command = 4 THEN
PRINT #12, "bytei=0;"
PRINT #12, "while(bytei>3); " + x1$ + "=(uint8*)realloc(" + x1$ + "," + x2$ + ");"
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)(" + x1$ + "+" + x2$ + "-(int64val>>3)),(int64val>>3)," + NewByteElement$ + "),0);"
PRINT #12, "bytei++;"
PRINT #12, "}"
END IF
'get next command
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)&int32val,4," + NewByteElement$ + "),0);"
PRINT #12, "}" 'command=3 or 4
PRINT #12, "}" 'array place-holder
CLOSE #12
'save array (saves the buffered data, if any, for later)
OPEN tmpdir$ + "chain" + str2$(i) + ".txt" FOR OUTPUT AS #12
PRINT #12, "int32val=2;" 'placeholder
PRINT #12, "sub_put(FF,NULL,byte_element((uint64)&int32val,4," + NewByteElement$ + "),0);"
PRINT #12, "sub_put(FF,NULL,byte_element((uint64)" + x1$ + "," + x2$ + "," + NewByteElement$ + "),0);"
CLOSE #12
ELSE
'note: arrayelements<>-1
'load array
OPEN tmpdir$ + "inpchain" + str2$(i) + ".txt" FOR OUTPUT AS #12
PRINT #12, "if (int32val==2){" 'array place-holder
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)&int32val,4," + NewByteElement$ + "),0);"
IF command = 3 THEN PRINT #12, "if (int32val==3){" 'fixed-length-element array
IF command = 4 THEN PRINT #12, "if (int32val==4){" 'var-length-element array
IF command = 3 THEN
'get size in bits
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)&int64val,8," + NewByteElement$ + "),0);"
'***assume correct***
END IF
'get number of elements
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)&int32val,4," + NewByteElement$ + "),0);"
'***assume correct***
e$ = ""
IF command = 4 THEN PRINT #12, "bytes=1;" 'bytes counts the number of total elements
FOR x2 = 1 TO arrayelements
'create 'secret' variables to assist in passing common arrays
IF x2 > ncommontmp THEN
ncommontmp = ncommontmp + 1
IF Debug THEN PRINT #9, "Calling DIM2(...)..."
IF Error_Happened THEN GOTO errmes
retval = dim2("___RESERVED_COMMON_LBOUND" + str2$(ncommontmp), "_INTEGER64", 0, "")
IF Error_Happened THEN GOTO errmes
retval = dim2("___RESERVED_COMMON_UBOUND" + str2$(ncommontmp), "_INTEGER64", 0, "")
IF Error_Happened THEN GOTO errmes
IF Debug THEN PRINT #9, "Finished calling DIM2(...)!"
IF Error_Happened THEN GOTO errmes
END IF
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)&int64val,8," + NewByteElement$ + "),0);"
PRINT #12, "*__INTEGER64____RESERVED_COMMON_LBOUND" + str2$(x2) + "=int64val;"
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)&int64val2,8," + NewByteElement$ + "),0);"
PRINT #12, "*__INTEGER64____RESERVED_COMMON_UBOUND" + str2$(x2) + "=int64val2;"
IF command = 4 THEN PRINT #12, "bytes*=(int64val2-int64val+1);"
IF x2 > 1 THEN e$ = e$ + sp + "," + sp
e$ = e$ + "___RESERVED_COMMON_LBOUND" + str2$(x2) + sp + "TO" + sp + "___RESERVED_COMMON_UBOUND" + str2$(x2)
NEXT
IF Debug THEN PRINT #9, "Calling DIM2(" + purevarname$ + "," + typ$ + ",0," + e$ + ")..."
IF Error_Happened THEN GOTO errmes
'Note: purevarname$ is simply varname$ without the type symbol after it
redimoption = 1
retval = dim2(purevarname$, typ$, 0, e$)
IF Error_Happened THEN GOTO errmes
redimoption = 0
IF Debug THEN PRINT #9, "Finished calling DIM2(" + purevarname$ + "," + typ$ + ",0," + e$ + ")!"
IF Error_Happened THEN GOTO errmes
IF command = 3 THEN
'use get to load in the array data
varname$ = varname$ + sp + "(" + sp + ")"
e$ = evaluatetotyp(fixoperationorder$(varname$), -4)
IF Error_Happened THEN GOTO errmes
PRINT #12, "sub_get(FF,NULL," + e$ + ",0);"
END IF
IF command = 4 THEN
PRINT #12, "bytei=0;"
PRINT #12, "while(bytei>3,1));" 'change string size
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)tqbs->chr,int64val>>3," + NewByteElement$ + "),0);" 'get size
PRINT #12, "bytei++;"
PRINT #12, "}"
END IF
'get next command
PRINT #12, "sub_get(FF,NULL,byte_element((uint64)&int32val,4," + NewByteElement$ + "),0);"
PRINT #12, "}"
PRINT #12, "}"
CLOSE #12
'save array
OPEN tmpdir$ + "chain" + str2$(i) + ".txt" FOR OUTPUT AS #12
PRINT #12, "int32val=2;" 'placeholder
PRINT #12, "sub_put(FF,NULL,byte_element((uint64)&int32val,4," + NewByteElement$ + "),0);"
PRINT #12, "if (" + n2$ + "[2]&1){" 'don't add unless defined
IF command = 3 THEN PRINT #12, "int32val=3;"
IF command = 4 THEN PRINT #12, "int32val=4;"
PRINT #12, "sub_put(FF,NULL,byte_element((uint64)&int32val,4," + NewByteElement$ + "),0);"
IF command = 3 THEN
'size of each element in bits
bits = t AND 511
IF t AND ISUDT THEN bits = udtxsize(t AND 511)
IF t AND ISSTRING THEN bits = tsize * 8
PRINT #12, "int64val=" + str2$(bits) + ";" 'size in bits
PRINT #12, "sub_put(FF,NULL,byte_element((uint64)&int64val,8," + NewByteElement$ + "),0);"
END IF 'com=3
PRINT #12, "int32val=" + str2$(arrayelements) + ";" 'number of dimensions
PRINT #12, "sub_put(FF,NULL,byte_element((uint64)&int32val,4," + NewByteElement$ + "),0);"
IF command = 3 THEN
FOR x2 = 1 TO arrayelements
'simulate calls to lbound/ubound
e$ = "LBOUND" + sp + "(" + sp + n$ + sp + "," + sp + str2$(x2) + sp + ")"
e$ = evaluatetotyp(fixoperationorder$(e$), 64)
IF Error_Happened THEN GOTO errmes
PRINT #12, "int64val=" + e$ + ";"
PRINT #12, "sub_put(FF,NULL,byte_element((uint64)&int64val,8," + NewByteElement$ + "),0);"
e$ = "UBOUND" + sp + "(" + sp + n$ + sp + "," + sp + str2$(x2) + sp + ")"
e$ = evaluatetotyp(fixoperationorder$(e$), 64)
IF Error_Happened THEN GOTO errmes
PRINT #12, "int64val=" + e$ + ";"
PRINT #12, "sub_put(FF,NULL,byte_element((uint64)&int64val,8," + NewByteElement$ + "),0);"
NEXT
'array data
e$ = evaluatetotyp(fixoperationorder$(n$ + sp + "(" + sp + ")"), -4)
IF Error_Happened THEN GOTO errmes
PRINT #12, "sub_put(FF,NULL," + e$ + ",0);"
END IF 'com=3
IF command = 4 THEN
'store LBOUND/UBOUND values and calculate number of total elements/strings
PRINT #12, "bytes=1;" 'note: bytes is actually the total number of elements
FOR x2 = 1 TO arrayelements
e$ = "LBOUND" + sp + "(" + sp + n$ + sp + "," + sp + str2$(x2) + sp + ")"
e$ = evaluatetotyp(fixoperationorder$(e$), 64)
IF Error_Happened THEN GOTO errmes
PRINT #12, "int64val=" + e$ + ";"
PRINT #12, "sub_put(FF,NULL,byte_element((uint64)&int64val,8," + NewByteElement$ + "),0);"
e$ = "UBOUND" + sp + "(" + sp + n$ + sp + "," + sp + str2$(x2) + sp + ")"
e$ = evaluatetotyp(fixoperationorder$(e$), 64)
IF Error_Happened THEN GOTO errmes
PRINT #12, "int64val2=" + e$ + ";"
PRINT #12, "sub_put(FF,NULL,byte_element((uint64)&int64val2,8," + NewByteElement$ + "),0);"
PRINT #12, "bytes*=(int64val2-int64val+1);"
NEXT
PRINT #12, "bytei=0;"
PRINT #12, "while(byteilen; int64val<<=3;"
PRINT #12, "sub_put(FF,NULL,byte_element((uint64)&int64val,8," + NewByteElement$ + "),0);" 'size of element
PRINT #12, "sub_put(FF,NULL,byte_element((uint64)tqbs->chr,tqbs->len," + NewByteElement$ + "),0);" 'element data
PRINT #12, "bytei++;"
PRINT #12, "}"
END IF 'com=4
PRINT #12, "}" 'don't add unless defined
CLOSE #12
'if chaincommonarray then
'l2$=tlayout$
'x=chaincommonarray
'
''chain???.txt
'open tmpdir$ + "chain" + str2$(x) + ".txt" for append as #22
'if lof(22) then close #22: goto chaindone 'only add this once
''***assume non-var-len-string array***
'print #22,"int32val=3;" 'non-var-len-element array
'print #22,"sub_put(FF,NULL,byte_element((uint64)&int32val,4,"+NewByteElement$+"),0);"
't=id.arraytype
''***check for UDT size if necessary***
''***check for string length if necessary***
'bits=t and 511
'print #22,"int64val="+str2$(bits)+";" 'size in bits
'print #22,"sub_put(FF,NULL,byte_element((uint64)&int64val,8,"+NewByteElement$+"),0);"
'print #22,"int32val="+str2$(id.arrayelements)+";" 'number of elements
'print #22,"sub_put(FF,NULL,byte_element((uint64)&int32val,4,"+NewByteElement$+"),0);"
'e$=rtrim$(id.n)
'if (t and ISUDT)=0 then e$=e$+typevalue2symbol$(t)
'n$=e$
'for x2=1 to id.arrayelements
''simulate calls to lbound/ubound
'e$="LBOUND"+sp+"("+sp+n$+sp+","+sp+str2$(x2)+sp+")"
'e$=evaluatetotyp(fixoperationorder$(e$),64)
'print #22,"int64val="+e$+";"'LBOUND
'print #22,"sub_put(FF,NULL,byte_element((uint64)&int64val,8,"+NewByteElement$+"),0);"
'e$="UBOUND"+sp+"("+sp+n$+sp+","+sp+str2$(x2)+sp+")"
'e$=evaluatetotyp(fixoperationorder$(e$),64)
'print #22,"int64val="+e$+";"'LBOUND
'print #22,"sub_put(FF,NULL,byte_element((uint64)&int64val,8,"+NewByteElement$+"),0);"
'next
''add array data
'e$=evaluatetotyp(fixoperationorder$(n$+sp+"("+sp+")"),-4)
'print #22,"sub_put(FF,NULL,"+e$+",0);"
'close #22
'
''inpchain???.txt
'open tmpdir$ + "chain" + str2$(x) + ".txt" for append as #22
'print #22,"if (int32val==1){" 'common declaration of an array
'print #22,"sub_get(FF,NULL,byte_element((uint64)&int32val,4,"+NewByteElement$+"),0);"
'print #22,"if (int32val==3){" 'fixed-length-element array
'
'print #22,"sub_get(FF,NULL,byte_element((uint64)&int64val,8,"+NewByteElement$+"),0);"
''***assume size correct and continue***
'
''get number of elements
'print #22,"sub_get(FF,NULL,byte_element((uint64)&int32val,4,"+NewByteElement$+"),0);"
'
''call dim2 and tell it to redim an array
'
''*********this should happen BEFORE the array (above) is actually dimensioned,
''*********where the common() declaration is
'
''****although, if you never reference the array.............
''****ARGH! you can access an undimmed array just like in a sub/function
'
'
'
'
'print #22,"}"
'print #22,"}"
'close #22
'
'chaindone:
'tlayout$=l2$
'end if 'chaincommonarray
'OPEN tmpdir$ + "chain.txt" FOR APPEND AS #22
''include directive
'print #22, "#include " + CHR$(34) + "chain" + str2$(x) + ".txt" + CHR$(34)
'close #22
''create/clear include file
'open tmpdir$ + "chain" + str2$(x) + ".txt" for output as #22:close #22
'
'OPEN tmpdir$ + "inpchain.txt" FOR APPEND AS #22
''include directive
'print #22, "#include " + CHR$(34) + "inpchain" + str2$(x) + ".txt" + CHR$(34)
'close #22
''create/clear include file
'open tmpdir$ + "inpchain" + str2$(x) + ".txt" for output as #22:close #22
END IF 'id.arrayelements=-1
NEXT
use_global_byte_elements = 0
IF Debug THEN PRINT #9, "Finished generation of code for saving/sharing common array data!"
FOR closeall = 1 TO 255: CLOSE closeall: NEXT
OPEN tmpdir$ + "temp.bin" FOR OUTPUT LOCK WRITE AS #26 'relock
compilelog$ = tmpdir$ + "compilelog.txt"
OPEN compilelog$ FOR OUTPUT AS #1: CLOSE #1 'Clear log
IF idemode THEN GOTO ideret5
ide6:
IF idemode = 0 AND No_C_Compile_Mode = 0 THEN
PRINT
IF os$ = "LNX" THEN
PRINT "COMPILING C++ CODE INTO EXECUTABLE..."
ELSE
PRINT "COMPILING C++ CODE INTO EXE..."
END IF
IF LEN(outputfile_cmd$) THEN
'resolve relative path for output file
path.out$ = getfilepath$(outputfile_cmd$)
f$ = MID$(outputfile_cmd$, LEN(path.out$) + 1)
file$ = RemoveFileExtension$(f$)
IF LEN(path.out$) THEN
IF _DIREXISTS(path.out$) = 0 THEN
PRINT
PRINT "CAN'T CREATE OUTPUT EXECUTABLE - PATH NOT FOUND: " + path.out$
IF ConsoleMode THEN SYSTEM 1
END 1
END IF
currentdir$ = _CWD$
CHDIR path.out$
path.out$ = _CWD$
CHDIR currentdir$
IF RIGHT$(path.out$, 1) <> pathsep$ THEN path.out$ = path.out$ + pathsep$
path.exe$ = path.out$
SaveExeWithSource = -1 'Override the global setting if an output file was specified
END IF
END IF
t.path.exe$ = path.exe$
IF path.exe$ = "../../" OR path.exe$ = "..\..\" THEN path.exe$ = ""
IF _FILEEXISTS(path.exe$ + file$ + extension$) THEN
E = 0
ON ERROR GOTO qberror_test
KILL path.exe$ + file$ + extension$
ON ERROR GOTO qberror
IF E = 1 THEN
a$ = "CANNOT CREATE " + CHR$(34) + file$ + extension$ + CHR$(34) + " BECAUSE THE FILE IS ALREADY IN USE!": GOTO errmes
END IF
END IF
path.exe$ = t.path.exe$
END IF
IF os$ = "WIN" THEN
'Prepare to embed icon into .EXE
IF ExeIconSet OR VersionInfoSet THEN
IF _FILEEXISTS(tmpdir$ + "icon.o") THEN
E = 0
ON ERROR GOTO qberror_test
KILL tmpdir$ + "icon.o"
IF E = 1 OR _FILEEXISTS(tmpdir$ + "icon.o") = -1 THEN a$ = "Error creating resource file": GOTO errmes
ON ERROR GOTO qberror
END IF
END IF
IF ExeIconSet THEN
linenumber = ExeIconSet 'on error, this allows reporting the linenumber where $EXEICON was used
wholeline = " $EXEICON:'" + ExeIconFile$ + "'"
END IF
IF VersionInfoSet THEN
iconfilehandle = FREEFILE
OPEN tmpdir$ + "icon.rc" FOR APPEND AS #iconfilehandle
PRINT #iconfilehandle, ""
PRINT #iconfilehandle, "1 VERSIONINFO"
IF LEN(viFileVersionNum$) THEN PRINT #iconfilehandle, "FILEVERSION "; viFileVersionNum$
IF LEN(viProductVersionNum$) THEN PRINT #iconfilehandle, "PRODUCTVERSION "; viProductVersionNum$
PRINT #iconfilehandle, "BEGIN"
PRINT #iconfilehandle, " BLOCK " + QuotedFilename$("StringFileInfo")
PRINT #iconfilehandle, " BEGIN"
PRINT #iconfilehandle, " BLOCK " + QuotedFilename$("040904E4")
PRINT #iconfilehandle, " BEGIN"
PRINT #iconfilehandle, " VALUE " + QuotedFilename$("CompanyName") + "," + QuotedFilename$(viCompanyName$ + "\0")
PRINT #iconfilehandle, " VALUE " + QuotedFilename$("FileDescription") + "," + QuotedFilename$(viFileDescription$ + "\0")
PRINT #iconfilehandle, " VALUE " + QuotedFilename$("FileVersion") + "," + QuotedFilename$(viFileVersion$ + "\0")
PRINT #iconfilehandle, " VALUE " + QuotedFilename$("InternalName") + "," + QuotedFilename$(viInternalName$ + "\0")
PRINT #iconfilehandle, " VALUE " + QuotedFilename$("LegalCopyright") + "," + QuotedFilename$(viLegalCopyright$ + "\0")
PRINT #iconfilehandle, " VALUE " + QuotedFilename$("LegalTrademarks") + "," + QuotedFilename$(viLegalTrademarks$ + "\0")
PRINT #iconfilehandle, " VALUE " + QuotedFilename$("OriginalFilename") + "," + QuotedFilename$(viOriginalFilename$ + "\0")
PRINT #iconfilehandle, " VALUE " + QuotedFilename$("ProductName") + "," + QuotedFilename$(viProductName$ + "\0")
PRINT #iconfilehandle, " VALUE " + QuotedFilename$("ProductVersion") + "," + QuotedFilename$(viProductVersion$ + "\0")
PRINT #iconfilehandle, " VALUE " + QuotedFilename$("Comments") + "," + QuotedFilename$(viComments$ + "\0")
PRINT #iconfilehandle, " VALUE " + QuotedFilename$("Web") + "," + QuotedFilename$(viWeb$ + "\0")
PRINT #iconfilehandle, " END"
PRINT #iconfilehandle, " END"
PRINT #iconfilehandle, "END"
CLOSE #iconfilehandle
END IF
IF ExeIconSet OR VersionInfoSet THEN
ffh = FREEFILE
OPEN tmpdir$ + "call_windres.bat" FOR OUTPUT AS #ffh
PRINT #ffh, "internal\c\c_compiler\bin\windres.exe -i " + tmpdir$ + "icon.rc -o " + tmpdir$ + "icon.o"
CLOSE #ffh
SHELL _HIDE tmpdir$ + "call_windres.bat"
IF _FILEEXISTS(tmpdir$ + "icon.o") = 0 THEN
a$ = "Bad icon file"
IF VersionInfoSet THEN a$ = a$ + " or invalid $VERSIONINFO values"
GOTO errmes
END IF
END IF
END IF
'Update dependencies
o$ = LCASE$(os$)
win = 0: IF os$ = "WIN" THEN win = 1
lnx = 0: IF os$ = "LNX" THEN lnx = 1
mac = 0: IF MacOSX THEN mac = 1: o$ = "osx"
defines$ = "": defines_header$ = " -D "
ver$ = Version$ 'eg. "0.123"
x = INSTR(ver$, "."): IF x THEN ASC(ver$, x) = 95 'change "." to "_"
libs$ = ""
IF DEPENDENCY(DEPENDENCY_GL) THEN
IF Cloud THEN a$ = "GL not supported on QLOUD": GOTO errmes '***NOCLOUD***
defines$ = defines$ + defines_header$ + "DEPENDENCY_GL"
END IF
IF DEPENDENCY(DEPENDENCY_SCREENIMAGE) THEN
DEPENDENCY(DEPENDENCY_IMAGE_CODEC) = 1 'used by OSX to read in screen capture files
END IF
IF DEPENDENCY(DEPENDENCY_IMAGE_CODEC) THEN
defines$ = defines$ + defines_header$ + "DEPENDENCY_IMAGE_CODEC"
END IF
IF DEPENDENCY(DEPENDENCY_CONSOLE_ONLY) THEN
defines$ = defines$ + defines_header$ + "DEPENDENCY_CONSOLE_ONLY"
END IF
IF DEPENDENCY(DEPENDENCY_SOCKETS) THEN
defines$ = defines$ + defines_header$ + "DEPENDENCY_SOCKETS"
ELSE
defines$ = defines$ + defines_header$ + "DEPENDENCY_NO_SOCKETS"
END IF
IF DEPENDENCY(DEPENDENCY_PRINTER) THEN
defines$ = defines$ + defines_header$ + "DEPENDENCY_PRINTER"
ELSE
defines$ = defines$ + defines_header$ + "DEPENDENCY_NO_PRINTER"
END IF
IF DEPENDENCY(DEPENDENCY_ICON) THEN
defines$ = defines$ + defines_header$ + "DEPENDENCY_ICON"
ELSE
defines$ = defines$ + defines_header$ + "DEPENDENCY_NO_ICON"
END IF
IF DEPENDENCY(DEPENDENCY_SCREENIMAGE) THEN
defines$ = defines$ + defines_header$ + "DEPENDENCY_SCREENIMAGE"
ELSE
defines$ = defines$ + defines_header$ + "DEPENDENCY_NO_SCREENIMAGE"
END IF
IF DEPENDENCY(DEPENDENCY_LOADFONT) THEN
d$ = "internal\c\parts\video\font\ttf\"
'rebuild?
IF _FILEEXISTS(d$ + "os\" + o$ + "\src.o") = 0 THEN
Build d$ + "os\" + o$
END IF
defines$ = defines$ + defines_header$ + "DEPENDENCY_LOADFONT"
libs$ = libs$ + " " + "parts\video\font\ttf\os\" + o$ + "\src.o"
END IF
localpath$ = "internal\c\"
IF DEPENDENCY(DEPENDENCY_DEVICEINPUT) THEN
defines$ = defines$ + defines_header$ + "DEPENDENCY_DEVICEINPUT"
libname$ = "input\game_controller"
libpath$ = "parts\" + libname$ + "\os\" + o$
libfile$ = libpath$ + "\src.a"
IF _FILEEXISTS(localpath$ + libfile$) = 0 THEN Build localpath$ + libpath$ 'rebuild?
libs$ = libs$ + " " + libfile$
END IF
IF DEPENDENCY(DEPENDENCY_AUDIO_DECODE) THEN DEPENDENCY(DEPENDENCY_AUDIO_CONVERSION) = 1
IF DEPENDENCY(DEPENDENCY_AUDIO_CONVERSION) THEN DEPENDENCY(DEPENDENCY_AUDIO_OUT) = 1
IF DEPENDENCY(DEPENDENCY_AUDIO_DECODE) THEN DEPENDENCY(DEPENDENCY_AUDIO_OUT) = 1
IF DEPENDENCY(DEPENDENCY_AUDIO_CONVERSION) THEN
defines$ = defines$ + defines_header$ + "DEPENDENCY_AUDIO_CONVERSION"
d1$ = "parts\audio\conversion"
d2$ = d1$ + "\os\" + o$
d3$ = "internal\c\" + d2$
IF _FILEEXISTS(d3$ + "\src.a") = 0 THEN 'rebuild?
Build d3$
END IF
libs$ = libs$ + " " + d2$ + "\src.a"
END IF
IF DEPENDENCY(DEPENDENCY_AUDIO_DECODE) THEN
'General decoder
defines$ = defines$ + defines_header$ + "DEPENDENCY_AUDIO_DECODE"
'MINI_MP3 decoder
d1$ = "parts\audio\decode\mp3_mini"
d2$ = d1$ + "\os\" + o$
d3$ = "internal\c\" + d2$
IF _FILEEXISTS(d3$ + "\src.a") = 0 THEN 'rebuild?
Build d3$
END IF
libs$ = libs$ + " " + d2$ + "\src.a"
'OGG decoder
d1$ = "parts\audio\decode\ogg"
d2$ = d1$ + "\os\" + o$
d3$ = "internal\c\" + d2$
IF _FILEEXISTS(d3$ + "\src.o") = 0 THEN 'rebuild?
Build d3$
END IF
libs$ = libs$ + " " + d2$ + "\src.o"
'WAV decoder
'(no action required)
END IF
IF DEPENDENCY(DEPENDENCY_AUDIO_OUT) THEN
defines$ = defines$ + defines_header$ + "DEPENDENCY_AUDIO_OUT"
d1$ = "parts\audio\out"
d2$ = d1$ + "\os\" + o$
d3$ = "internal\c\" + d2$
IF _FILEEXISTS(d3$ + "\src.a") = 0 THEN 'rebuild?
Build d3$
END IF
libs$ = libs$ + " " + d2$ + "\src.a"
END IF
'finalize libs$ and defines$ strings
IF LEN(libs$) THEN libs$ = libs$ + " "
PATH_SLASH_CORRECT libs$
IF LEN(defines$) THEN defines$ = defines$ + " "
'Build core?
IF mac = 0 THEN 'macosx uses Apple's GLUT not FreeGLUT
d1$ = "parts\core"
d2$ = d1$ + "\os\" + o$
d3$ = "internal\c\" + d2$
IF _FILEEXISTS(d3$ + "\src.a") = 0 THEN 'rebuild?
Build d3$
END IF
END IF 'mac = 0
'Build libqb?
depstr$ = ver$ + "_"
FOR i = 1 TO DEPENDENCY_LAST
IF DEPENDENCY(i) THEN depstr$ = depstr$ + "1" ELSE depstr$ = depstr$ + "0"
NEXT
libqb$ = " libqb\os\" + o$ + "\libqb_" + depstr$ + ".o "
PATH_SLASH_CORRECT libqb$
IF _FILEEXISTS("internal\c\" + LTRIM$(RTRIM$(libqb$))) = 0 THEN
CHDIR "internal\c"
IF os$ = "WIN" THEN
SHELL _HIDE GDB_Fix("cmd /c c_compiler\bin\g++ -c -s -w -Wall libqb.cpp -D FREEGLUT_STATIC " + defines$ + " -o libqb\os\" + o$ + "\libqb_" + depstr$ + ".o") + " 2>> ..\..\" + compilelog$
ELSE
IF mac THEN
SHELL _HIDE GDB_Fix("g++ -c -s -w -Wall libqb.mm " + defines$ + " -o libqb/os/" + o$ + "/libqb_" + depstr$ + ".o") + " 2>> ../../" + compilelog$
ELSE
SHELL _HIDE GDB_Fix("g++ -c -s -w -Wall libqb.cpp -D FREEGLUT_STATIC " + defines$ + " -o libqb/os/" + o$ + "/libqb_" + depstr$ + ".o") + " 2>> ../../" + compilelog$
END IF
END IF
CHDIR "..\.."
END IF
'link-time only defines
IF DEPENDENCY(DEPENDENCY_AUDIO_OUT) THEN
IF mac THEN defines$ = defines$ + " -framework AudioUnit -framework AudioToolbox "
END IF
IF MakeAndroid THEN
GOTO Skip_Build
END IF
IF os$ = "WIN" THEN
'resolve static function definitions and add to global.txt
FOR x = 1 TO ResolveStaticFunctions
IF LEN(ResolveStaticFunction_File(x)) THEN
n = 0
SHELL _HIDE "internal\c\c_compiler\bin\nm.exe " + CHR$(34) + ResolveStaticFunction_File(x) + CHR$(34) + " --demangle -g >internal\temp\nm_output.txt"
fh = FREEFILE
s$ = " " + ResolveStaticFunction_Name(x) + "("
OPEN "internal\temp\nm_output.txt" FOR BINARY AS #fh
DO UNTIL EOF(fh)
LINE INPUT #fh, a$
IF LEN(a$) THEN
'search for SPACE+functionname+LEFTBRACKET
x1 = INSTR(a$, s$)
IF x1 THEN
IF ResolveStaticFunction_Method(x) = 1 THEN
x1 = x1 + 1
x2 = INSTR(x1, a$, ")")
fh2 = FREEFILE
OPEN tmpdir$ + "global.txt" FOR APPEND AS #fh2
PRINT #fh2, "extern void " + MID$(a$, x1, x2 - x1 + 1) + ";"
CLOSE #fh2
END IF
n = n + 1
END IF 'x1
END IF '<>""
LOOP
CLOSE #fh
IF n > 1 THEN a$ = "Unable to resolve multiple instances of sub/function '" + ResolveStaticFunction_Name(x) + "' in '" + ResolveStaticFunction_File(x) + "'": GOTO errmes
IF n = 0 THEN 'attempt to locate simple function name without brackets
fh = FREEFILE
s$ = " " + ResolveStaticFunction_Name(x)
OPEN "internal\temp\nm_output.txt" FOR BINARY AS #fh
DO UNTIL EOF(fh)
LINE INPUT #fh, a$
IF LEN(a$) THEN
'search for SPACE+functionname
x1 = INSTR(a$, s$)
IF RIGHT$(a$, LEN(s$)) = s$ THEN
fh2 = FREEFILE
IF ResolveStaticFunction_Method(x) = 1 THEN
OPEN tmpdir$ + "global.txt" FOR APPEND AS #fh2
PRINT #fh2, "extern " + CHR$(34) + "C" + CHR$(34) + "{"
PRINT #fh2, "extern void " + s$ + "(void);"
PRINT #fh2, "}"
ELSE
OPEN tmpdir$ + "externtype" + str2(x) + ".txt" FOR OUTPUT AS #fh2
PRINT #fh2, "extern " + CHR$(34) + "C" + CHR$(34) + " "
END IF
CLOSE #fh2
n = n + 1
EXIT DO
END IF 'x1
END IF '<>""
LOOP
CLOSE #fh
END IF
IF n = 0 THEN 'a C++ dynamic object library?
SHELL _HIDE "internal\c\c_compiler\bin\nm " + CHR$(34) + ResolveStaticFunction_File(x) + CHR$(34) + " -D --demangle -g >.\internal\temp\nm_output_dynamic.txt"
fh = FREEFILE
s$ = " " + ResolveStaticFunction_Name(x) + "("
OPEN "internal\temp\nm_output_dynamic.txt" FOR BINARY AS #fh
DO UNTIL EOF(fh)
LINE INPUT #fh, a$
IF LEN(a$) THEN
'search for SPACE+functionname+LEFTBRACKET
x1 = INSTR(a$, s$)
IF x1 THEN
IF ResolveStaticFunction_Method(x) = 1 THEN
x1 = x1 + 1
x2 = INSTR(x1, a$, ")")
fh2 = FREEFILE
OPEN tmpdir$ + "global.txt" FOR APPEND AS #fh2
PRINT #fh2, "extern void " + MID$(a$, x1, x2 - x1 + 1) + ";"
CLOSE #fh2
END IF
n = n + 1
END IF 'x1
END IF '<>""
LOOP
CLOSE #fh
IF n > 1 THEN a$ = "Unable to resolve multiple instances of sub/function '" + ResolveStaticFunction_Name(x) + "' in '" + ResolveStaticFunction_File(x) + "'": GOTO errmes
END IF
IF n = 0 THEN 'a C dynamic object library?
fh = FREEFILE
s$ = " " + ResolveStaticFunction_Name(x)
OPEN "internal\temp\nm_output_dynamic.txt" FOR BINARY AS #fh
DO UNTIL EOF(fh)
LINE INPUT #fh, a$
IF LEN(a$) THEN
'search for SPACE+functionname
x1 = INSTR(a$, s$)
IF RIGHT$(a$, LEN(s$)) = s$ THEN
fh2 = FREEFILE
IF ResolveStaticFunction_Method(x) = 1 THEN
OPEN tmpdir$ + "global.txt" FOR APPEND AS #fh2
PRINT #fh2, "extern " + CHR$(34) + "C" + CHR$(34) + "{"
PRINT #fh2, "extern void " + s$ + "(void);"
PRINT #fh2, "}"
ELSE
OPEN tmpdir$ + "externtype" + str2(x) + ".txt" FOR OUTPUT AS #fh2
PRINT #fh2, "extern " + CHR$(34) + "C" + CHR$(34) + " "
END IF
CLOSE #fh2
n = n + 1
EXIT DO
END IF 'x1
END IF '<>""
LOOP
CLOSE #fh
IF n = 0 THEN a$ = "Could not find sub/function '" + ResolveStaticFunction_Name(x) + "' in '" + ResolveStaticFunction_File(x) + "'": GOTO errmes
END IF
END IF
NEXT
IF inline_DATA = 0 THEN
IF DataOffset THEN
IF OS_BITS = 32 THEN
OPEN ".\internal\c\makedat_win32.txt" FOR BINARY AS #150: LINE INPUT #150, a$: CLOSE #150
ELSE
OPEN ".\internal\c\makedat_win64.txt" FOR BINARY AS #150: LINE INPUT #150, a$: CLOSE #150
END IF
a$ = a$ + " " + tmpdir2$ + "data.bin " + tmpdir2$ + "data.o"
CHDIR ".\internal\c"
SHELL _HIDE "cmd /c " + a$ + " 2>> ..\..\" + compilelog$
CHDIR "..\.."
END IF
END IF
OPEN ".\internal\c\makeline_win.txt" FOR BINARY AS #150
LINE INPUT #150, a$: a$ = GDB_Fix(a$)
CLOSE #150
IF RIGHT$(a$, 7) = " ..\..\" THEN a$ = LEFT$(a$, LEN(a$) - 6) 'makeline.txt patch (line will become unrequired in later versions)
'change qbx.cpp to qbx999.cpp?
x = INSTR(a$, "qbx.cpp"): IF x <> 0 AND tempfolderindex <> 1 THEN a$ = LEFT$(a$, x - 1) + "qbx" + str2$(tempfolderindex) + ".cpp" + RIGHT$(a$, LEN(a$) - (x + 6))
IF Console THEN
x = INSTR(a$, " -s"): a$ = LEFT$(a$, x - 1) + " -mconsole" + RIGHT$(a$, LEN(a$) - x + 1)
END IF
IF DEPENDENCY(DEPENDENCY_CONSOLE_ONLY) THEN
a$ = StrRemove(a$, "-mwindows")
a$ = StrRemove(a$, "-lopengl32")
a$ = StrRemove(a$, "-lglu32")
a$ = StrRemove(a$, "parts\core\os\win\src.a")
a$ = StrRemove(a$, "-D FREEGLUT_STATIC")
a$ = StrRemove(a$, "-D GLEW_STATIC")
END IF
a$ = StrRemove(a$, "-lws2_32")
IF DEPENDENCY(DEPENDENCY_SOCKETS) THEN
x = INSTR(a$, " -o"): a$ = LEFT$(a$, x - 1) + " -lws2_32" + RIGHT$(a$, LEN(a$) - x + 1)
END IF
a$ = StrRemove(a$, "-lwinspool")
IF DEPENDENCY(DEPENDENCY_PRINTER) THEN
x = INSTR(a$, " -o"): a$ = LEFT$(a$, x - 1) + " -lwinspool" + RIGHT$(a$, LEN(a$) - x + 1)
END IF
a$ = StrRemove(a$, "-lwinmm")
IF DEPENDENCY(DEPENDENCY_AUDIO_OUT) <> 0 OR DEPENDENCY(DEPENDENCY_CONSOLE_ONLY) = 0 THEN
x = INSTR(a$, " -o"): a$ = LEFT$(a$, x - 1) + " -lwinmm" + RIGHT$(a$, LEN(a$) - x + 1)
END IF
a$ = StrRemove(a$, "-lksguid")
IF DEPENDENCY(DEPENDENCY_AUDIO_OUT) THEN
x = INSTR(a$, " -o"): a$ = LEFT$(a$, x - 1) + " -lksguid" + RIGHT$(a$, LEN(a$) - x + 1)
END IF
a$ = StrRemove(a$, "-ldxguid")
IF DEPENDENCY(DEPENDENCY_AUDIO_OUT) THEN
x = INSTR(a$, " -o"): a$ = LEFT$(a$, x - 1) + " -ldxguid" + RIGHT$(a$, LEN(a$) - x + 1)
END IF
a$ = StrRemove(a$, "-lole32")
IF DEPENDENCY(DEPENDENCY_AUDIO_OUT) THEN
x = INSTR(a$, " -o"): a$ = LEFT$(a$, x - 1) + " -lole32" + RIGHT$(a$, LEN(a$) - x + 1)
END IF
a$ = StrRemove(a$, "-lgdi32")
IF DEPENDENCY(DEPENDENCY_ICON) <> 0 OR DEPENDENCY(DEPENDENCY_SCREENIMAGE) <> 0 OR DEPENDENCY(DEPENDENCY_PRINTER) <> 0 THEN
x = INSTR(a$, " -o"): a$ = LEFT$(a$, x - 1) + " -lgdi32" + RIGHT$(a$, LEN(a$) - x + 1)
END IF
IF inline_DATA = 0 THEN
'add data.o?
IF DataOffset THEN
x = INSTR(a$, ".cpp ")
IF x THEN
x = x + 3
a$ = LEFT$(a$, x) + " " + tmpdir2$ + "data.o" + " " + RIGHT$(a$, LEN(a$) - x)
END IF
END IF
END IF
'add custom libraries
'mylib$="..\..\"+x$+".lib"
IF LEN(mylib$) THEN
x = INSTR(a$, ".cpp ")
IF x THEN
x = x + 3
a$ = LEFT$(a$, x) + " " + mylib$ + " " + RIGHT$(a$, LEN(a$) - x)
END IF
END IF
'add dependent libraries
IF LEN(libs$) THEN
x = INSTR(a$, ".cpp ")
IF x THEN
x = x + 5
a$ = LEFT$(a$, x - 1) + libs$ + RIGHT$(a$, LEN(a$) - x + 1)
END IF
END IF
'add dependency defines
IF LEN(defines$) THEN
x = INSTR(a$, ".cpp ")
IF x THEN
x = x + 5
a$ = LEFT$(a$, x - 1) + defines$ + RIGHT$(a$, LEN(a$) - x + 1)
END IF
END IF
'add libqb
x = INSTR(a$, ".cpp ")
IF x THEN
x = x + 5
a$ = LEFT$(a$, x - 1) + libqb$ + RIGHT$(a$, LEN(a$) - x + 1)
END IF
'Add icon.o to the makeline
IF ExeIconSet OR VersionInfoSet THEN
IF x THEN 'Use the previous libqb insertion point
a$ = LEFT$(a$, x + LEN(libqb$)) + "..\..\" + tmpdir$ + "icon.o " + MID$(a$, x + LEN(libqb$) + 1)
END IF
END IF
a$ = a$ + QuotedFilename$(path.exe$ + file$ + extension$)
ffh = FREEFILE
OPEN tmpdir$ + "recompile_win.bat" FOR OUTPUT AS #ffh
PRINT #ffh, "@echo off"
PRINT #ffh, "cd %0\..\"
PRINT #ffh, "echo Recompiling..."
PRINT #ffh, "cd ../c"
PRINT #ffh, a$
PRINT #ffh, "pause"
CLOSE ffh
ffh = FREEFILE
OPEN tmpdir$ + "debug_win.bat" FOR OUTPUT AS #ffh
PRINT #ffh, "@echo off"
PRINT #ffh, "cd %0\..\"
PRINT #ffh, "cd ../.."
PRINT #ffh, "echo C++ Debugging: " + file$ + extension$ + " using gdb.exe"
PRINT #ffh, "echo Debugger commands:"
PRINT #ffh, "echo After the debugger launches type 'run' to start your program"
PRINT #ffh, "echo After your program crashes type 'list' to find where the problem is and fix/report it"
PRINT #ffh, "echo Type 'quit' to exit"
PRINT #ffh, "echo (the GDB debugger has many other useful commands, this advice is for beginners)"
PRINT #ffh, "pause"
PRINT #ffh, "internal\c\c_compiler\bin\gdb.exe " + CHR$(34) + path.exe$ + file$ + extension$ + CHR$(34)
PRINT #ffh, "pause"
CLOSE ffh
IF No_C_Compile_Mode = 0 THEN
CHDIR ".\internal\c"
SHELL _HIDE "cmd /c " + a$ + " 2>> ..\..\" + compilelog$
CHDIR "..\.."
IF idemode THEN
'Restore fg/bg colors
dummy = DarkenFGBG(0)
END IF
END IF 'No_C_Compile_Mode=0
END IF
IF os$ = "LNX" THEN
FOR x = 1 TO ResolveStaticFunctions
IF LEN(ResolveStaticFunction_File(x)) THEN
n = 0
IF MacOSX = 0 THEN SHELL _HIDE "nm " + CHR$(34) + ResolveStaticFunction_File(x) + CHR$(34) + " --demangle -g >./internal/temp/nm_output.txt 2>./internal/temp/nm_error.txt"
IF MacOSX THEN SHELL _HIDE "nm " + CHR$(34) + ResolveStaticFunction_File(x) + CHR$(34) + " >./internal/temp/nm_output.txt 2>./internal/temp/nm_error.txt"
IF MacOSX = 0 THEN 'C++ name demangling not supported in MacOSX
fh = FREEFILE
s$ = " " + ResolveStaticFunction_Name(x) + "("
OPEN "internal\temp\nm_output.txt" FOR BINARY AS #fh
DO UNTIL EOF(fh)
LINE INPUT #fh, a$
IF LEN(a$) THEN
'search for SPACE+functionname+LEFTBRACKET
x1 = INSTR(a$, s$)
IF x1 THEN
IF ResolveStaticFunction_Method(x) = 1 THEN
x1 = x1 + 1
x2 = INSTR(x1, a$, ")")
fh2 = FREEFILE
OPEN tmpdir$ + "global.txt" FOR APPEND AS #fh2
PRINT #fh2, "extern void " + MID$(a$, x1, x2 - x1 + 1) + ";"
CLOSE #fh2
END IF
n = n + 1
END IF 'x1
END IF '<>""
LOOP
CLOSE #fh
IF n > 1 THEN a$ = "Unable to resolve multiple instances of sub/function '" + ResolveStaticFunction_Name(x) + "' in '" + ResolveStaticFunction_File(x) + "'": GOTO errmes
END IF 'macosx=0
IF n = 0 THEN 'attempt to locate simple function name without brackets
fh = FREEFILE
s$ = " " + ResolveStaticFunction_Name(x): s2$ = s$
IF MacOSX THEN s$ = " _" + ResolveStaticFunction_Name(x) 'search for C mangled name
OPEN "internal\temp\nm_output.txt" FOR BINARY AS #fh
DO UNTIL EOF(fh)
LINE INPUT #fh, a$
IF LEN(a$) THEN
'search for SPACE+functionname
x1 = INSTR(a$, s$)
IF RIGHT$(a$, LEN(s$)) = s$ THEN
fh2 = FREEFILE
IF ResolveStaticFunction_Method(x) = 1 THEN
OPEN tmpdir$ + "global.txt" FOR APPEND AS #fh2
PRINT #fh2, "extern " + CHR$(34) + "C" + CHR$(34) + "{"
PRINT #fh2, "extern void " + s2$ + "(void);"
PRINT #fh2, "}"
ELSE
OPEN tmpdir$ + "externtype" + str2(x) + ".txt" FOR OUTPUT AS #fh2
PRINT #fh2, "extern " + CHR$(34) + "C" + CHR$(34) + " "
END IF
CLOSE #fh2
n = n + 1
EXIT DO
END IF 'x1
END IF '<>""
LOOP
CLOSE #fh
END IF
IF n = 0 THEN 'a C++ dynamic object library?
IF MacOSX THEN GOTO macosx_libfind_failed
SHELL _HIDE "nm " + CHR$(34) + ResolveStaticFunction_File(x) + CHR$(34) + " -D --demangle -g >./internal/temp/nm_output_dynamic.txt 2>./internal/temp/nm_error.txt"
fh = FREEFILE
s$ = " " + ResolveStaticFunction_Name(x) + "("
OPEN "internal\temp\nm_output_dynamic.txt" FOR BINARY AS #fh
DO UNTIL EOF(fh)
LINE INPUT #fh, a$
IF LEN(a$) THEN
'search for SPACE+functionname+LEFTBRACKET
x1 = INSTR(a$, s$)
IF x1 THEN
IF ResolveStaticFunction_Method(x) = 1 THEN
x1 = x1 + 1
x2 = INSTR(x1, a$, ")")
fh2 = FREEFILE
OPEN tmpdir$ + "global.txt" FOR APPEND AS #fh2
PRINT #fh2, "extern void " + MID$(a$, x1, x2 - x1 + 1) + ";"
CLOSE #fh2
END IF
n = n + 1
END IF 'x1
END IF '<>""
LOOP
CLOSE #fh
IF n > 1 THEN a$ = "Unable to resolve multiple instances of sub/function '" + ResolveStaticFunction_Name(x) + "' in '" + ResolveStaticFunction_File(x) + "'": GOTO errmes
END IF
IF n = 0 THEN 'a C dynamic object library?
fh = FREEFILE
s$ = " " + ResolveStaticFunction_Name(x)
OPEN "internal\temp\nm_output_dynamic.txt" FOR BINARY AS #fh
DO UNTIL EOF(fh)
LINE INPUT #fh, a$
IF LEN(a$) THEN
'search for SPACE+functionname
x1 = INSTR(a$, s$)
IF RIGHT$(a$, LEN(s$)) = s$ THEN
fh2 = FREEFILE
IF ResolveStaticFunction_Method(x) = 1 THEN
OPEN tmpdir$ + "global.txt" FOR APPEND AS #fh2
PRINT #fh2, "extern " + CHR$(34) + "C" + CHR$(34) + "{"
PRINT #fh2, "extern void " + s$ + "(void);"
PRINT #fh2, "}"
ELSE
OPEN tmpdir$ + "externtype" + str2(x) + ".txt" FOR OUTPUT AS #fh2
PRINT #fh2, "extern " + CHR$(34) + "C" + CHR$(34) + " "
END IF
CLOSE #fh2
n = n + 1
EXIT DO
END IF 'x1
END IF '<>""
LOOP
CLOSE #fh
macosx_libfind_failed:
IF n = 0 THEN a$ = "Could not find sub/function '" + ResolveStaticFunction_Name(x) + "' in '" + ResolveStaticFunction_File(x) + "'": GOTO errmes
END IF
END IF
NEXT
IF inline_DATA = 0 THEN
IF DataOffset THEN
IF INSTR(_OS$, "[32BIT]") THEN b$ = "32" ELSE b$ = "64"
OPEN ".\internal\c\makedat_lnx" + b$ + ".txt" FOR BINARY AS #150: LINE INPUT #150, a$: CLOSE #150
a$ = a$ + " " + tmpdir2$ + "data.bin " + tmpdir2$ + "data.o"
CHDIR ".\internal\c"
SHELL _HIDE a$ + " 2>> ../../" + compilelog$
CHDIR "..\.."
END IF
END IF
IF INSTR(_OS$, "[MACOSX]") THEN
OPEN "./internal/c/makeline_osx.txt" FOR INPUT AS #150
ELSE
OPEN "./internal/c/makeline_lnx.txt" FOR INPUT AS #150
END IF
LINE INPUT #150, a$: a$ = GDB_Fix(a$)
CLOSE #150
'change qbx.cpp to qbx999.cpp?
x = INSTR(a$, "qbx.cpp"): IF x <> 0 AND tempfolderindex <> 1 THEN a$ = LEFT$(a$, x - 1) + "qbx" + str2$(tempfolderindex) + ".cpp" + RIGHT$(a$, LEN(a$) - (x + 6))
IF inline_DATA = 0 THEN
'add data.o?
IF DataOffset THEN
x = INSTR(a$, "-lX11")
IF x THEN
a$ = LEFT$(a$, x - 1) + " " + tmpdir2$ + "data.o " + RIGHT$(a$, LEN(a$) - x + 1)
END IF
END IF
END IF
'add custom libraries
IF LEN(mylib$) THEN
x = INSTR(a$, ".cpp ")
IF x THEN
x = x + 5
a$ = LEFT$(a$, x - 1) + " " + mylibopt$ + " " + mylib$ + " " + RIGHT$(a$, LEN(a$) - x + 1)
END IF
END IF
'add dependent libraries
IF LEN(libs$) THEN
x = INSTR(a$, ".cpp ")
IF x THEN
x = x + 5
a$ = LEFT$(a$, x - 1) + libs$ + RIGHT$(a$, LEN(a$) - x + 1)
END IF
END IF
'add dependency defines
IF LEN(defines$) THEN
x = INSTR(a$, ".cpp ")
IF x THEN
x = x + 5
a$ = LEFT$(a$, x - 1) + defines$ + RIGHT$(a$, LEN(a$) - x + 1)
END IF
END IF
'add libqb
x = INSTR(a$, ".cpp ")
IF x THEN
x = x + 5
a$ = LEFT$(a$, x - 1) + libqb$ + RIGHT$(a$, LEN(a$) - x + 1)
END IF
a$ = a$ + QuotedFilename$(path.exe$ + file$ + extension$)
IF INSTR(_OS$, "[MACOSX]") THEN
ffh = FREEFILE
OPEN tmpdir$ + "recompile_osx.command" FOR OUTPUT AS #ffh
PRINT #ffh, "cd " + CHR_QUOTE + "$(dirname " + CHR_QUOTE + "$0" + CHR_QUOTE + ")" + CHR_QUOTE + CHR$(10);
PRINT #ffh, "echo " + CHR_QUOTE + "Recompiling..." + CHR_QUOTE + CHR$(10);
PRINT #ffh, "cd ../c" + CHR$(10);
PRINT #ffh, a$ + CHR$(10);
PRINT #ffh, "read -p " + CHR_QUOTE + "Press ENTER to exit..." + CHR_QUOTE + CHR$(10);
CLOSE ffh
SHELL _HIDE "chmod +x " + tmpdir$ + "recompile_osx.command"
ffh = FREEFILE
OPEN tmpdir$ + "debug_osx.command" FOR OUTPUT AS #ffh
PRINT #ffh, "cd " + CHR_QUOTE + "$(dirname " + CHR_QUOTE + "$0" + CHR_QUOTE + ")" + CHR_QUOTE + CHR$(10);
PRINT #ffh, "Pause()" + CHR$(10);
PRINT #ffh, "{" + CHR$(10);
PRINT #ffh, "OLDCONFIG=`stty -g`" + CHR$(10);
PRINT #ffh, "stty -icanon -echo min 1 time 0" + CHR$(10);
PRINT #ffh, "dd count=1 2>/dev/null" + CHR$(10);
PRINT #ffh, "stty $OLDCONFIG" + CHR$(10);
PRINT #ffh, "}" + CHR$(10);
PRINT #ffh, "echo " + CHR_QUOTE + "C++ Debugging: " + file$ + extension$ + " using GDB" + CHR_QUOTE + CHR$(10);
PRINT #ffh, "echo " + CHR_QUOTE + "Debugger commands:" + CHR_QUOTE + CHR$(10);
PRINT #ffh, "echo " + CHR_QUOTE + "After the debugger launches type 'run' to start your program" + CHR_QUOTE + CHR$(10);
PRINT #ffh, "echo " + CHR_QUOTE + "After your program crashes type 'list' to find where the problem is and fix/report it" + CHR_QUOTE + CHR$(10);
PRINT #ffh, "echo " + CHR_QUOTE + "(the GDB debugger has many other useful commands, this advice is for beginners)" + CHR_QUOTE + CHR$(10);
PRINT #ffh, "gdb " + CHR$(34) + path.exe$ + file$ + extension$ + CHR$(34) + CHR$(10);
PRINT #ffh, "Pause" + CHR$(10);
CLOSE ffh
SHELL _HIDE "chmod +x " + tmpdir$ + "debug_osx.command"
ELSE
ffh = FREEFILE
OPEN tmpdir$ + "recompile_lnx.sh" FOR OUTPUT AS #ffh
PRINT #ffh, "#!/bin/sh" + CHR$(10);
PRINT #ffh, "Pause()" + CHR$(10);
PRINT #ffh, "{" + CHR$(10);
PRINT #ffh, "OLDCONFIG=`stty -g`" + CHR$(10);
PRINT #ffh, "stty -icanon -echo min 1 time 0" + CHR$(10);
PRINT #ffh, "dd count=1 2>/dev/null" + CHR$(10);
PRINT #ffh, "stty $OLDCONFIG" + CHR$(10);
PRINT #ffh, "}" + CHR$(10);
PRINT #ffh, "echo " + CHR_QUOTE + "Recompiling..." + CHR_QUOTE + CHR$(10);
PRINT #ffh, "cd ../c" + CHR$(10);
PRINT #ffh, a$ + CHR$(10);
PRINT #ffh, "echo " + CHR_QUOTE + "Press ENTER to exit..." + CHR_QUOTE + CHR$(10);
PRINT #ffh, "Pause" + CHR$(10);
CLOSE ffh
SHELL _HIDE "chmod +x " + tmpdir$ + "recompile_lnx.sh"
ffh = FREEFILE
OPEN tmpdir$ + "debug_lnx.sh" FOR OUTPUT AS #ffh
PRINT #ffh, "#!/bin/sh" + CHR$(10);
PRINT #ffh, "Pause()" + CHR$(10);
PRINT #ffh, "{" + CHR$(10);
PRINT #ffh, "OLDCONFIG=`stty -g`" + CHR$(10);
PRINT #ffh, "stty -icanon -echo min 1 time 0" + CHR$(10);
PRINT #ffh, "dd count=1 2>/dev/null" + CHR$(10);
PRINT #ffh, "stty $OLDCONFIG" + CHR$(10);
PRINT #ffh, "}" + CHR$(10);
PRINT #ffh, "echo " + CHR_QUOTE + "C++ Debugging: " + file$ + extension$ + " using GDB" + CHR_QUOTE + CHR$(10);
PRINT #ffh, "echo " + CHR_QUOTE + "Debugger commands:" + CHR_QUOTE + CHR$(10);
PRINT #ffh, "echo " + CHR_QUOTE + "After the debugger launches type 'run' to start your program" + CHR_QUOTE + CHR$(10);
PRINT #ffh, "echo " + CHR_QUOTE + "After your program crashes type 'list' to find where the problem is and fix/report it" + CHR_QUOTE + CHR$(10);
PRINT #ffh, "echo " + CHR_QUOTE + "(the GDB debugger has many other useful commands, this advice is for beginners)" + CHR_QUOTE + CHR$(10);
PRINT #ffh, "gdb " + CHR$(34) + path.exe$ + file$ + extension$ + CHR$(34) + CHR$(10);
PRINT #ffh, "Pause" + CHR$(10);
CLOSE ffh
SHELL _HIDE "chmod +x " + tmpdir$ + "debug_lnx.sh"
END IF
IF No_C_Compile_Mode = 0 THEN
CHDIR "./internal/c"
SHELL _HIDE a$ + " 2>> ../../" + compilelog$
CHDIR "../.."
IF idemode THEN
'Restore fg/bg colors
dummy = DarkenFGBG(0)
END IF
END IF
IF INSTR(_OS$, "[MACOSX]") THEN
ff = FREEFILE
IF path.exe$ = "./" OR path.exe$ = "../../" OR path.exe$ = "..\..\" THEN path.exe$ = ""
OPEN path.exe$ + file$ + extension$ + "_start.command" FOR OUTPUT AS #ff
PRINT #ff, "cd " + CHR$(34) + "$(dirname " + CHR$(34) + "$0" + CHR$(34) + ")" + CHR$(34);
PRINT #ff, CHR$(10);
PRINT #ff, "./" + file$ + extension$ + " &";
PRINT #ff, CHR$(10);
PRINT #ff, "osascript -e 'tell application " + CHR$(34) + "Terminal" + CHR$(34) + " to close (every window whose name contains " + CHR$(34) + file$ + extension$ + "_start.command" + CHR$(34) + ")' &";
PRINT #ff, CHR$(10);
PRINT #ff, "osascript -e 'if (count the windows of application " + CHR$(34) + "Terminal" + CHR$(34) + ") is 0 then tell application " + CHR$(34) + "Terminal" + CHR$(34) + " to quit' &";
PRINT #ff, CHR$(10);
PRINT #ff, "exit";
PRINT #ff, CHR$(10);
CLOSE #ff
SHELL _HIDE "chmod +x " + path.exe$ + file$ + extension$ + "_start.command"
END IF
END IF
IF No_C_Compile_Mode THEN compfailed = 0: GOTO No_C_Compile
IF path.exe$ = "../../" OR path.exe$ = "..\..\" THEN path.exe$ = ""
IF _FILEEXISTS(path.exe$ + file$ + extension$) THEN compfailed = 0 ELSE compfailed = 1 'detect compilation failure
IF compfailed THEN
IF idemode THEN
idemessage$ = "C++ Compilation failed (Check " + CHR$(0) + compilelog$ + CHR$(0) + ")"
GOTO ideerror
END IF
IF compfailed THEN
PRINT "C++ COMPILATION FAILED!"
PRINT "Check " + compilelog$ + " for details."
END IF
ELSE
IF idemode = 0 THEN PRINT "OUTPUT: "; path.exe$ + file$ + extension$
END IF
Skip_Build:
IF idemode THEN GOTO ideret6
No_C_Compile:
IF compfailed <> 0 AND ConsoleMode = 0 THEN END 1
IF compfailed <> 0 THEN SYSTEM 1
SYSTEM 0
qberror_test:
E = 1
RESUME NEXT
qberror:
IF Debug THEN 'A more in-your-face error handler
IF ConsoleMode THEN
PRINT
ELSE
_AUTODISPLAY
SCREEN _NEWIMAGE(80, 25, 0), , 0, 0
COLOR 7, 0
END IF
_CONTROLCHR OFF
PRINT "A QB error has occurred (and you have compiled in debugging support)."
PRINT "Some key information (qb64.bas):"
PRINT "Error"; ERR
PRINT "Line"; _ERRORLINE
IF _INCLERRORLINE THEN
PRINT "Included line"; _INCLERRORLINE
PRINT "Included file "; _INCLERRORFILE$
END IF
PRINT
PRINT "Loaded source file details:"
PRINT "ideerror ="; ideerror; "qberrorhappened ="; qberrorhappened; "qberrorhappenedvalue ="; qberrorhappenedvalue; "linenumber ="; linenumber
PRINT "ca$ = {"; ca$; "}, idecommand$ = {"; idecommand$; "}"
PRINT "linefragment = {"; linefragment; "}"
END
END IF
IF ideerror THEN 'error happened inside the IDE
fh = FREEFILE
OPEN "internal\temp\ideerror.txt" FOR OUTPUT AS #fh
PRINT #fh, ERR
PRINT #fh, _ERRORLINE
CLOSE #fh
sendc$ = CHR$(255) 'a runtime error has occurred
RESUME sendcommand 'allow IDE to handle error recovery
END IF
qberrorhappenedvalue = qberrorhappened
qberrorhappened = 1
IF Debug THEN PRINT #9, "QB ERROR!"
IF Debug THEN PRINT #9, "ERR="; ERR
IF Debug THEN PRINT #9, "ERL="; ERL
IF idemode AND qberrorhappenedvalue >= 0 THEN
'real qb error occurred
ideerrorline = linenumber
idemessage$ = "Compiler error (check for syntax errors) (Reference:"
IF ERR THEN idemessage$ = idemessage$ + str2$(ERR) + "-"
IF _ERRORLINE THEN idemessage$ = idemessage$ + str2$(_ERRORLINE)
IF _INCLERRORLINE THEN idemessage$ = idemessage$ + "-" + _INCLERRORFILE$ + "-" + str2$(_INCLERRORLINE)
idemessage$ = idemessage$ + ")"
IF inclevel > 0 THEN idemessage$ = idemessage$ + incerror$
RESUME ideerror
END IF
IF qberrorhappenedvalue >= 0 THEN
a$ = "UNEXPECTED INTERNAL COMPILER ERROR!": GOTO errmes 'internal comiler error
END IF
qberrorcode = ERR
qberrorline = ERL
IF qberrorhappenedvalue = -1 THEN RESUME qberrorhappened1
IF qberrorhappenedvalue = -2 THEN RESUME qberrorhappened2
IF qberrorhappenedvalue = -3 THEN RESUME qberrorhappened3
END
errmes: 'set a$ to message
IF Error_Happened THEN a$ = Error_Message: Error_Happened = 0
layout$ = "": layoutok = 0 'invalidate layout
IF forceIncludingFile THEN 'If we're to the point where we're adding the automatic QB64 includes, we don't need to report the $INCLUDE information
IF INSTR(a$, "END SUB/FUNCTION before") THEN a$ = "SUB without END SUB" 'Just a simple rewrite of the error message to be less confusing for SUB/FUNCTIONs
ELSE 'We want to let the user know which module the error occurred in
IF inclevel > 0 THEN a$ = a$ + incerror$
END IF
IF idemode THEN
ideerrorline = linenumber
idemessage$ = a$
GOTO ideerror 'infinitely preferable to RESUME
END IF
'non-ide mode output
PRINT
PRINT a$
FOR i = 1 TO LEN(linefragment)
IF MID$(linefragment, i, 1) = sp$ THEN MID$(linefragment, i, 1) = " "
NEXT
FOR i = 1 TO LEN(wholeline)
IF MID$(wholeline, i, 1) = sp$ THEN MID$(wholeline, i, 1) = " "
NEXT
PRINT "Caused by (or after):" + linefragment
PRINT "LINE " + str2(linenumber) + ":" + wholeline
IF ConsoleMode THEN SYSTEM 1
END 1
FUNCTION ParseCMDLineArgs$ ()
'Recall that COMMAND$ is a concatenation of argv[] elements, so we don't have
'to worry about more than one space between things (unless they used quotes,
'in which case they're simply asking for trouble).
FOR i = 1 TO _COMMANDCOUNT
token$ = COMMAND$(i)
IF LCASE$(token$) = "-help" OR LCASE$(token$) = "--help" OR LCASE$(token$) = "-h" OR LCASE$(token$) = "/help" THEN token$ = "-?"
SELECT CASE LCASE$(LEFT$(token$, 2))
CASE "-?" 'Command-line help
_DEST _CONSOLE
PRINT "QB64 COMPILER V" + Version$
PRINT
PRINT "USAGE: qb64 [switches] "
PRINT
PRINT "OPTIONS:"
PRINT " Source file to load" ' '80 columns
PRINT " -c Compile instead of edit"
PRINT " -x Compile instead of edit and output the result to the"
PRINT " console"
PRINT " -p Purge all pre-compiled content first"
PRINT " -z Generate C code without compiling to executable"
PRINT " -o Write output executable to "
PRINT " -e Enables OPTION _EXPLICIT, making variable declaration"
PRINT " mandatory (per-compilation; doesn't affect the"
PRINT " source file or global settings)"
PRINT " -s[:switch=true/false] View/edit compiler settings"
PRINT " -l: Starts the IDE at the specified line number"
PRINT
SYSTEM
CASE "-p" 'Purge
IF os$ = "WIN" THEN
CHDIR "internal\c"
SHELL _HIDE "cmd /c purge_all_precompiled_content_win.bat"
CHDIR "..\.."
END IF
IF os$ = "LNX" THEN
CHDIR "./internal/c"
IF INSTR(_OS$, "[MACOSX]") THEN
SHELL _HIDE "./purge_all_precompiled_content_osx.command"
ELSE
SHELL _HIDE "./purge_all_precompiled_content_lnx.sh"
END IF
CHDIR "../.."
END IF
CASE "-s" 'Settings
_DEST _CONSOLE
PRINT "QB64 COMPILER V" + Version$
SELECT CASE LCASE$(MID$(token$, 3))
CASE ""
PRINT "debuginfo = ";
IF idedebuginfo THEN PRINT "TRUE" ELSE PRINT "FALSE"
PRINT "exewithsource = ";
IF SaveExeWithSource THEN PRINT "TRUE" ELSE PRINT "FALSE"
SYSTEM
CASE ":exewithsource"
PRINT "exewithsource = ";
IF SaveExeWithSource THEN PRINT "TRUE" ELSE PRINT "FALSE"
SYSTEM
CASE ":exewithsource=true"
WriteConfigSetting "'[GENERAL SETTINGS]", "SaveExeWithSource", "TRUE"
PRINT "exewithsource = TRUE"
SYSTEM
CASE ":exewithsource=false"
WriteConfigSetting "'[GENERAL SETTINGS]", "SaveExeWithSource", "FALSE"
PRINT "exewithsource = FALSE"
SYSTEM
CASE ":debuginfo"
PRINT "debuginfo = ";
IF idedebuginfo THEN PRINT "TRUE" ELSE PRINT "FALSE"
SYSTEM
CASE ":debuginfo=true"
PRINT "debuginfo = TRUE"
WriteConfigSetting "'[GENERAL SETTINGS]", "DebugInfo", "TRUE 'INTERNAL VARIABLE USE ONLY!! DO NOT MANUALLY CHANGE!"
idedebuginfo = 1
Include_GDB_Debugging_Info = idedebuginfo
IF os$ = "WIN" THEN
CHDIR "internal\c"
SHELL _HIDE "cmd /c purge_all_precompiled_content_win.bat"
CHDIR "..\.."
END IF
IF os$ = "LNX" THEN
CHDIR "./internal/c"
IF INSTR(_OS$, "[MACOSX]") THEN
SHELL _HIDE "./purge_all_precompiled_content_osx.command"
ELSE
SHELL _HIDE "./purge_all_precompiled_content_lnx.sh"
END IF
CHDIR "../.."
END IF
SYSTEM
CASE ":debuginfo=false"
PRINT "debuginfo = FALSE"
WriteConfigSetting "'[GENERAL SETTINGS]", "DebugInfo", "FALSE 'INTERNAL VARIABLE USE ONLY!! DO NOT MANUALLY CHANGE!"
idedebuginfo = 0
Include_GDB_Debugging_Info = idedebuginfo
IF os$ = "WIN" THEN
CHDIR "internal\c"
SHELL _HIDE "cmd /c purge_all_precompiled_content_win.bat"
CHDIR "..\.."
END IF
IF os$ = "LNX" THEN
CHDIR "./internal/c"
IF INSTR(_OS$, "[MACOSX]") THEN
SHELL _HIDE "./purge_all_precompiled_content_osx.command"
ELSE
SHELL _HIDE "./purge_all_precompiled_content_lnx.sh"
END IF
CHDIR "../.."
END IF
SYSTEM
CASE ELSE
PRINT "INVALID SETTINGS SWITCH: "; token$
PRINT
PRINT "VALID SWITCHES:"
PRINT " -s:debuginfo=true/false (Embed C++ debug info into .EXE)"
PRINT " -s:exewithsource=true/false (Save .EXE in the source folder)"
SYSTEM
END SELECT
CASE "-e" 'Option Explicit
optionexplicit_cmd = -1
CASE "-z" 'Not compiling C code
No_C_Compile_Mode = 1
ConsoleMode = 1 'Implies -x
NoIDEMode = 1 'Implies -c
CASE "-x" 'Use the console
ConsoleMode = 1
NoIDEMode = 1 'Implies -c
CASE "-c" 'Compile instead of edit
NoIDEMode = 1
CASE "-o" 'Specify an output file
IF LEN(COMMAND$(i + 1)) > 0 THEN outputfile_cmd$ = COMMAND$(i + 1): i = i + 1
CASE "-l" 'goto line (ide mode only); -l:
IF MID$(token$, 3, 1) = ":" THEN ideStartAtLine = VAL(MID$(token$, 4))
CASE ELSE 'Something we don't recognise, assume it's a filename
IF PassedFileName$ = "" THEN PassedFileName$ = token$
END SELECT
NEXT i
IF LEN(PassedFileName$) THEN ParseCMDLineArgs$ = PassedFileName$
END FUNCTION
FUNCTION Type2MemTypeValue (t1)
t = 0
IF t1 AND ISARRAY THEN t = t + 65536
IF t1 AND ISUDT THEN
IF (t1 AND 511) = 1 THEN
t = t + 4096 '_MEM type
ELSE
t = t + 32768
END IF
ELSE
IF t1 AND ISSTRING THEN
t = t + 512 'string
ELSE
IF t1 AND ISFLOAT THEN
t = t + 256 'float
ELSE
t = t + 128 'integer
IF t1 AND ISUNSIGNED THEN t = t + 1024
IF t1 AND ISOFFSET THEN t = t + 8192 'offset type
END IF
t1s = (t1 AND 511) \ 8
IF t1s = 1 THEN t = t + t1s
IF t1s = 2 THEN t = t + t1s
IF t1s = 4 THEN t = t + t1s
IF t1s = 8 THEN t = t + t1s
IF t1s = 16 THEN t = t + t1s
IF t1s = 32 THEN t = t + t1s
IF t1s = 64 THEN t = t + t1s
END IF
END IF
Type2MemTypeValue = t
END FUNCTION
FUNCTION FileHasExtension (f$)
FOR i = LEN(f$) TO 1 STEP -1
a = ASC(f$, i)
IF a = 47 OR a = 92 THEN EXIT FOR
IF a = 46 THEN FileHasExtension = -1: EXIT FUNCTION
NEXT
END FUNCTION
FUNCTION RemoveFileExtension$ (f$) 'returns f$ without extension
FOR i = LEN(f$) TO 1 STEP -1
a = ASC(f$, i)
IF a = 47 OR a = 92 THEN EXIT FOR
IF a = 46 THEN RemoveFileExtension$ = LEFT$(f$, i - 1): EXIT FUNCTION
NEXT
RemoveFileExtension$ = f$
END FUNCTION
FUNCTION allocarray (n2$, elements$, elementsize)
dimsharedlast = dimshared: dimshared = 0
IF autoarray = 1 THEN autoarray = 0: autoary = 1 'clear global value & set local value
f12$ = ""
'changelog:
'added 4 to [2] to indicate cmem array where appropriate
e$ = elements$: n$ = n2$
IF elementsize = -2147483647 THEN stringarray = 1: elementsize = 8
IF ASC(e$) = 63 THEN '?
l$ = "(" + sp2 + ")"
undefined = -1
nume = 1
IF LEN(e$) = 1 THEN GOTO undefinedarray
undefined = 1
nume = VAL(RIGHT$(e$, LEN(e$) - 1))
GOTO undefinedarray
END IF
'work out how many elements there are (critical to later calculations)
nume = 1
n = numelements(e$)
FOR i = 1 TO n
e2$ = getelement(e$, i)
IF e2$ = "(" THEN b = b + 1
IF b = 0 AND e2$ = "," THEN nume = nume + 1
IF e2$ = ")" THEN b = b - 1
NEXT
IF Debug THEN PRINT #9, "numelements count:"; nume
descstatic = 0
IF arraydesc THEN
IF id.arrayelements <> nume THEN
IF id.arrayelements = -1 THEN 'unknown
IF arrayelementslist(currentid) <> 0 AND nume <> arrayelementslist(currentid) THEN Give_Error "Cannot change the number of elements an array has!": EXIT FUNCTION
IF nume = 1 THEN id.arrayelements = 1: ids(currentid).arrayelements = 1 'lucky guess!
arrayelementslist(currentid) = nume
ELSE
Give_Error "Cannot change the number of elements an array has!": EXIT FUNCTION
END IF
END IF
IF id.staticarray THEN descstatic = 1
END IF
l$ = "(" + sp2
cr$ = CHR$(13) + CHR$(10)
sd$ = ""
constdimensions = 1
ei = 4 + nume * 4 - 4
cure = 1
e3$ = "": e3base$ = ""
FOR i = 1 TO n
e2$ = getelement(e$, i)
IF e2$ = "(" THEN b = b + 1
IF (e2$ = "," AND b = 0) OR i = n THEN
IF i = n THEN e3$ = e3$ + sp + e2$
e3$ = RIGHT$(e3$, LEN(e3$) - 1)
IF e3base$ <> "" THEN e3base$ = RIGHT$(e3base$, LEN(e3base$) - 1)
'PRINT e3base$ + "[TO]" + e3$
'set the base
basegiven = 1
IF e3base$ = "" THEN e3base$ = str2$(optionbase + 0): basegiven = 0
constequation = 1
e3base$ = fixoperationorder$(e3base$)
IF Error_Happened THEN EXIT FUNCTION
IF basegiven THEN l$ = l$ + tlayout$ + sp + "TO" + sp
e3base$ = evaluatetotyp$(e3base$, 64&)
IF Error_Happened THEN EXIT FUNCTION
IF constequation = 0 THEN constdimensions = 0
sd$ = sd$ + n$ + "[" + str2(ei) + "]=" + e3base$ + ";" + cr$
'set the number of indexes
constequation = 1
e3$ = fixoperationorder$(e3$)
IF Error_Happened THEN EXIT FUNCTION
l$ = l$ + tlayout$ + sp2
IF i = n THEN l$ = l$ + ")" ELSE l$ = l$ + "," + sp
e3$ = evaluatetotyp$(e3$, 64&)
IF Error_Happened THEN EXIT FUNCTION
IF constequation = 0 THEN constdimensions = 0
ei = ei + 1
sd$ = sd$ + n$ + "[" + str2(ei) + "]=(" + e3$ + ")-" + n$ + "[" + str2(ei - 1) + "]+1;" + cr$
ei = ei + 1
'calc muliplier
IF cure = 1 THEN
'set only for the purpose of the calculating correct multipliers
sd$ = sd$ + n$ + "[" + str2(ei) + "]=1;" + cr$
ELSE
sd$ = sd$ + n$ + "[" + str2(ei) + "]=" + n$ + "[" + str2(ei + 4) + "]*" + n$ + "[" + str2(ei + 3) + "];" + cr$
END IF
ei = ei + 1
ei = ei + 1 'skip reserved
ei = ei - 8
cure = cure + 1
e3$ = "": e3base$ = ""
GOTO aanexte
END IF
IF e2$ = ")" THEN b = b - 1
IF UCASE$(e2$) = "TO" AND b = 0 THEN
e3base$ = e3$
e3$ = ""
ELSE
e3$ = e3$ + sp + e2$
END IF
aanexte:
NEXT
sd$ = LEFT$(sd$, LEN(sd$) - 2)
undefinedarray:
'calc cmem
cmem = 0
IF arraydesc = 0 THEN
IF cmemlist(idn + 1) THEN cmem = 1
ELSE
IF cmemlist(arraydesc) THEN cmem = 1
END IF
staticarray = constdimensions
IF subfuncn <> 0 AND dimstatic = 0 THEN staticarray = 0 'arrays in SUBS/FUNCTIONS are DYNAMIC
IF dimstatic = 3 THEN staticarray = 0 'STATIC arrayname() listed arrays keep thier values but are dynamic in memory
IF DynamicMode THEN staticarray = 0
IF redimoption THEN staticarray = 0
IF dimoption = 3 THEN staticarray = 0 'STATIC a(100) arrays are still dynamic
IF arraydesc THEN
IF staticarray = 1 THEN
IF descstatic THEN Give_Error "Cannot redefine a static array!": EXIT FUNCTION
staticarray = 0
END IF
END IF
bytesperelement$ = str2(elementsize)
IF elementsize < 0 THEN
elementsize = -elementsize
bytesperelement$ = str2(elementsize) + "/8+1"
END IF
'Begin creation of array descriptor (if array has not been defined yet)
IF arraydesc = 0 THEN
PRINT #defdatahandle, "ptrszint *" + n$ + "=NULL;"
PRINT #13, "if (!" + n$ + "){"
PRINT #13, n$ + "=(ptrszint*)mem_static_malloc(" + str2(4 * nume + 4 + 1) + "*ptrsz);" '+1 is for the lock
'create _MEM lock
PRINT #13, "new_mem_lock();"
PRINT #13, "mem_lock_tmp->type=4;"
PRINT #13, "((ptrszint*)" + n$ + ")[" + str2(4 * nume + 4 + 1 - 1) + "]=(ptrszint)mem_lock_tmp;"
END IF
'generate sizestr$ & elesizestr$ (both are used in various places in following code)
sizestr$ = ""
FOR i = 1 TO nume
IF i <> 1 THEN sizestr$ = sizestr$ + "*"
sizestr$ = sizestr$ + n$ + "[" + str2(i * 4 - 4 + 5) + "]"
NEXT
elesizestr$ = sizestr$ 'elements in entire array
sizestr$ = sizestr$ + "*" + bytesperelement$ 'bytes in entire array
'------------------STATIC ARRAY CREATION--------------------------------
IF staticarray THEN
'STATIC memory
PRINT #13, sd$ 'setup new array dimension ranges
'Example of sd$ for DIM a(10):
'__ARRAY_SINGLE_A[4]= 0 ;
'__ARRAY_SINGLE_A[5]=( 10 )-__ARRAY_SINGLE_A[4]+1;
'__ARRAY_SINGLE_A[6]=1;
IF cmem AND stringarray = 0 THEN
'Note: A string array's pointers are always stored in 64bit memory
'(static)CONVENTINAL memory
PRINT #13, n$ + "[0]=(ptrszint)cmem_static_pointer;"
'alloc mem & check if static memory boundry has oversteped dynamic memory boundry
PRINT #13, "if ((cmem_static_pointer+=((" + sizestr$ + ")+15)&-16)>cmem_dynamic_base) error(257);"
'64K check
PRINT #13, "if ((" + sizestr$ + ")>65536) error(257);"
'clear array
PRINT #13, "memset((void*)(" + n$ + "[0]),0," + sizestr$ + ");"
'set flags
PRINT #13, n$ + "[2]=1+2+4;" 'init+static+cmem
ELSE
'64BIT MEMORY
PRINT #13, n$ + "[0]=(ptrszint)mem_static_malloc(" + sizestr$ + ");"
IF stringarray THEN
'Init string pointers in the array
PRINT #13, "tmp_long=" + elesizestr$ + ";"
PRINT #13, "while(tmp_long--){"
IF cmem THEN
PRINT #13, "((uint64*)(" + n$ + "[0]))[tmp_long]=(uint64)qbs_new_cmem(0,0);"
ELSE
PRINT #13, "((uint64*)(" + n$ + "[0]))[tmp_long]=(uint64)qbs_new(0,0);"
END IF
PRINT #13, "}"
ELSE
'clear array
PRINT #13, "memset((void*)(" + n$ + "[0]),0," + sizestr$ + ");"
END IF
PRINT #13, n$ + "[2]=1+2;" 'init+static
END IF
'Close static array desc
PRINT #13, "}"
allocarray = nume + 65536
END IF
'------------------END OF STATIC ARRAY CREATION-------------------------
'------------------DYNAMIC ARRAY CREATION-------------------------------
IF staticarray = 0 THEN
IF undefined = 0 THEN
'Generate error if array is static
f12$ = f12$ + CRLF + "if (" + n$ + "[2]&2){" 'static array
f12$ = f12$ + CRLF + "error(10);" 'cannot redefine a static array!
f12$ = f12$ + CRLF + "}else{"
'Note: Array is either undefined or dynamically defined at this point
'REDIM (not DIM) must be used to redefine an array
IF redimoption = 0 THEN
f12$ = f12$ + CRLF + "if (" + n$ + "[2]&1){" 'array is defined
f12$ = f12$ + CRLF + "error(10);" 'cannot redefine an array without using REDIM!
f12$ = f12$ + CRLF + "}else{"
ELSE
'--------ERASE EXISTING ARRAY IF NECESSARY--------
'IMPORTANT: If array is not going to be preserved, it should be cleared before
' creating the new array for memory considerations
'refresh lock ID (_MEM)
f12$ = f12$ + CRLF + "((mem_lock*)((ptrszint*)" + n$ + ")[" + str2(4 * nume + 4 + 1 - 1) + "])->id=(++mem_lock_id);"
IF redimoption = 2 THEN
f12$ = f12$ + CRLF + "static int32 preserved_elements;" 'must be put here for scope considerations
END IF
'If array is defined, it must be destroyed first
f12$ = f12$ + CRLF + "if (" + n$ + "[2]&1){" 'array is defined
IF redimoption = 2 THEN
f12$ = f12$ + CRLF + "preserved_elements=" + elesizestr$ + ";"
GOTO skiperase
END IF
'Note: pointers to strings must be freed before array can be freed
IF stringarray THEN
f12$ = f12$ + CRLF + "tmp_long=" + elesizestr$ + ";"
f12$ = f12$ + CRLF + "while(tmp_long--) qbs_free((qbs*)((uint64*)(" + n$ + "[0]))[tmp_long]);"
END IF
'Free array's memory
IF stringarray THEN
'Note: String arrays are never in cmem
f12$ = f12$ + CRLF + "free((void*)(" + n$ + "[0]));"
ELSE
'Note: Array may be in cmem!
f12$ = f12$ + CRLF + "if (" + n$ + "[2]&4){" 'array is in cmem
f12$ = f12$ + CRLF + "cmem_dynamic_free((uint8*)(" + n$ + "[0]));"
f12$ = f12$ + CRLF + "}else{" 'not in cmem
f12$ = f12$ + CRLF + "free((void*)(" + n$ + "[0]));"
f12$ = f12$ + CRLF + "}"
END IF
skiperase:
f12$ = f12$ + CRLF + "}" 'array was defined
IF redimoption = 2 THEN
f12$ = f12$ + CRLF + "else preserved_elements=0;" 'if array wasn't defined, no elements are preserved
END IF
'--------ERASED ARRAY AS NECESSARY--------
END IF 'redim specified
'--------CREATE ARRAY & CLEAN-UP CODE--------
'Overwrite existing array dimension sizes/ranges
f12$ = f12$ + CRLF + sd$
IF stringarray THEN
'Note: String arrays are always created in 64bit memory
IF redimoption = 2 THEN
f12$ = f12$ + CRLF + "if (preserved_elements){"
f12$ = f12$ + CRLF + "static ptrszint tmp_long2;"
'free any qbs strings which will be lost in the realloc
f12$ = f12$ + CRLF + "tmp_long=" + elesizestr$ + ";"
f12$ = f12$ + CRLF + "if (tmp_long 0 AND elements <> arrayelementslist(currentid) THEN Give_Error "Cannot change the number of elements an array has!": EXIT FUNCTION
IF elements = 1 THEN id2.arrayelements = 1: ids(currentid).arrayelements = 1 'lucky guess
arrayelementslist(currentid) = elements
ELSE
IF elements <> id2.arrayelements THEN Give_Error "Cannot change the number of elements an array has!": EXIT FUNCTION
END IF
curarg = 1
firsti = 1
FOR i = 1 TO n
l$ = getelement(a$, i)
IF l$ = "(" THEN b = b + 1
IF l$ = ")" THEN b = b - 1
IF (l$ = "," AND b = 0) OR (i = n) THEN
IF i = n THEN
IF l$ = "," THEN Give_Error "Array index missing": EXIT FUNCTION
e$ = evaluatetotyp(getelements$(a$, firsti, i), 64&)
IF Error_Happened THEN EXIT FUNCTION
ELSE
e$ = evaluatetotyp(getelements$(a$, firsti, i - 1), 64&)
IF Error_Happened THEN EXIT FUNCTION
END IF
IF e$ = "" THEN Give_Error "Array index missing": EXIT FUNCTION
argi = (elements - curarg) * 4 + 4
IF curarg = 1 THEN
r$ = r$ + "array_check((" + e$ + ")-" + n$ + "[" + str2(argi) + "]," + n$ + "[" + str2(argi + 1) + "])+"
ELSE
r$ = r$ + "array_check((" + e$ + ")-" + n$ + "[" + str2(argi) + "]," + n$ + "[" + str2(argi + 1) + "])*" + n$ + "[" + str2(argi + 2) + "]+"
END IF
firsti = i + 1
curarg = curarg + 1
END IF
NEXT
r$ = LEFT$(r$, LEN(r$) - 1) 'remove trailing +
gotarrayindex:
r$ = idnumber$ + sp3 + r$
arrayreference$ = r$
'PRINT "arrayreference returning:" + r$
END FUNCTION
SUB assign (a$, n)
FOR i = 1 TO n
c = ASC(getelement$(a$, i))
IF c = 40 THEN b = b + 1 '(
IF c = 41 THEN b = b - 1 ')
IF c = 61 AND b = 0 THEN '=
IF i = 1 THEN Give_Error "Expected ... =": EXIT SUB
IF i = n THEN Give_Error "Expected = ...": EXIT SUB
a2$ = fixoperationorder(getelements$(a$, 1, i - 1))
IF Error_Happened THEN EXIT SUB
l$ = tlayout$ + sp + "=" + sp
'note: evaluating a2$ will fail if it is setting a function's return value without this check (as the function, not the return-variable) will be found by evaluate)
IF i = 2 THEN 'lhs has only 1 element
try = findid(a2$)
IF Error_Happened THEN EXIT SUB
DO WHILE try
IF id.t THEN
IF subfuncn = id.insubfuncn THEN 'avoid global before local
IF (id.t AND ISUDT) = 0 THEN
makeidrefer a2$, typ
GOTO assignsimplevariable
END IF
END IF
END IF
IF try = 2 THEN findanotherid = 1: try = findid(a2$) ELSE try = 0
IF Error_Happened THEN EXIT SUB
LOOP
END IF
a2$ = evaluate$(a2$, typ): IF Error_Happened THEN EXIT SUB
assignsimplevariable:
IF (typ AND ISREFERENCE) = 0 THEN Give_Error "Expected variable =": EXIT SUB
setrefer a2$, typ, getelements$(a$, i + 1, n), 0
IF Error_Happened THEN EXIT SUB
tlayout$ = l$ + tlayout$
EXIT SUB
END IF '=,b=0
NEXT
Give_Error "Expected =": EXIT SUB
END SUB
SUB clearid
id = cleariddata
END SUB
SUB closemain
xend
PRINT #12, "return;"
PRINT #12, "}"
PRINT #15, "}" 'end case
PRINT #15, "}"
PRINT #15, "error(3);" 'no valid return possible
closedmain = 1
END SUB
FUNCTION countelements (a$)
n = numelements(a$)
c = 1
FOR i = 1 TO n
e$ = getelement$(a$, i)
IF e$ = "(" THEN b = b + 1
IF e$ = ")" THEN b = b - 1
IF b < 0 THEN Give_Error "Unexpected ) encountered": EXIT FUNCTION
IF e$ = "," AND b = 0 THEN c = c + 1
NEXT
countelements = c
END FUNCTION
FUNCTION dim2 (varname$, typ2$, method, elements$)
'notes: (DO NOT REMOVE THESE IMPORTANT USAGE NOTES)
'
'(shared)dimsfarray: Creates an ID only (no C++ code)
' Adds an index/'link' to the sub/function's argument
' ID.sfid=glinkid
' ID.sfarg=glinkarg
' Sets arrayelements=-1 'unknown' (if elements$="?") otherwise val(elements$)
' ***Does not refer to arrayelementslist()***
'
'(argument)method: 0 being created by a DIM name AS type
' 1 being created by a DIM name+symbol
' or automatically without the use of DIM
'
'elements$="?": (see also dimsfarray for that special case)
' Checks arrayelementslist() and;
' if unknown(=0), creates an ID only
' if known, creates a DYNAMIC array's C++ initialization code so it can be used later
typ$ = typ2$
dim2 = 1 'success
IF Debug THEN PRINT #9, "dim2 called", method
cvarname$ = varname$
l$ = cvarname$
varname$ = UCASE$(varname$)
IF dimsfarray = 1 THEN f = 0 ELSE f = 1
IF dimstatic <> 0 AND dimshared = 0 THEN
'name will have include the sub/func name in its scope
'variable/array will be created in main on startup
defdatahandle = 18 'change from 13 to 18(global.txt)
CLOSE #13: OPEN tmpdir$ + "maindata.txt" FOR APPEND AS #13
CLOSE #19: OPEN tmpdir$ + "mainfree.txt" FOR APPEND AS #19
END IF
scope2$ = module$ + "_" + subfunc$ + "_"
'Note: when REDIMing a SHARED array in dynamic memory scope2$ must be modified
IF LEN(typ$) = 0 THEN Give_Error "DIM2: No type specified!": EXIT FUNCTION
'UDT
'is it a udt?
FOR i = 1 TO lasttype
IF typ$ = RTRIM$(udtxname(i)) THEN
dim2typepassback$ = RTRIM$(udtxcname(i))
n$ = "UDT_" + varname$
'array of UDTs
IF elements$ <> "" THEN
arraydesc = 0
IF f = 1 THEN
try = findid(varname$)
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF (id.arraytype) THEN
l$ = RTRIM$(id.cn)
arraydesc = currentid: scope2$ = scope$
EXIT DO
END IF
IF try = 2 THEN findanotherid = 1: try = findid(varname$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
END IF
n$ = scope2$ + "ARRAY_" + n$
bits = udtxsize(i)
IF udtxbytealign(i) THEN
IF bits MOD 8 THEN bits = bits + 8 - (bits MOD 8)
END IF
IF f = 1 THEN
IF LEN(elements$) = 1 AND ASC(elements$) = 63 THEN '"?"
E = arrayelementslist(idn + 1): IF E THEN elements$ = elements$ + str2$(E) 'eg. "?3" for a 3 dimensional array
END IF
nume = allocarray(n$, elements$, -bits)
IF Error_Happened THEN EXIT FUNCTION
l$ = l$ + sp + tlayout$
IF arraydesc THEN GOTO dim2exitfunc
clearid
ELSE
clearid
IF elements$ = "?" THEN
nume = -1
id.linkid = glinkid
id.linkarg = glinkarg
ELSE
nume = VAL(elements$)
END IF
END IF
id.arraytype = UDTTYPE + i
IF cmemlist(idn + 1) THEN id.arraytype = id.arraytype + ISINCONVENTIONALMEMORY
id.n = cvarname$
IF nume > 65536 THEN nume = nume - 65536: id.staticarray = 1
id.arrayelements = nume
id.callname = n$
regid
IF Error_Happened THEN EXIT FUNCTION
GOTO dim2exitfunc
END IF
'not an array of UDTs
bits = udtxsize(i): bytes = bits \ 8
IF bits MOD 8 THEN
bytes = bytes + 1
END IF
n$ = scope2$ + n$
IF f THEN PRINT #defdatahandle, "void *" + n$ + "=NULL;"
clearid
id.n = cvarname$
id.t = UDTTYPE + i
IF cmemlist(idn + 1) THEN
id.t = id.t + ISINCONVENTIONALMEMORY
IF f THEN PRINT #13, "if(" + n$ + "==NULL){"
IF f THEN PRINT #13, "cmem_sp-=" + str2(bytes) + ";"
IF f THEN PRINT #13, "if (cmem_sp 6 THEN
IF LEFT$(typ$, 9) <> "STRING * " THEN Give_Error "Expected STRING * number/constant": EXIT FUNCTION
c$ = RIGHT$(typ$, LEN(typ$) - 9)
'constant check 2011
hashfound = 0
hashname$ = c$
hashchkflags = HASHFLAG_CONSTANT
hashres = HashFindRev(hashname$, hashchkflags, hashresflags, hashresref)
DO WHILE hashres
IF constsubfunc(hashresref) = subfuncn OR constsubfunc(hashresref) = 0 THEN
IF constdefined(hashresref) THEN
hashfound = 1
EXIT DO
END IF
END IF
IF hashres <> 1 THEN hashres = HashFindCont(hashresflags, hashresref) ELSE hashres = 0
LOOP
IF hashfound THEN
i2 = hashresref
t = consttype(i2)
IF t AND ISSTRING THEN Give_Error "Expected STRING * numeric-constant": EXIT FUNCTION
'convert value to general formats
IF t AND ISFLOAT THEN
v## = constfloat(i2)
v&& = v##
v~&& = v&&
ELSE
IF t AND ISUNSIGNED THEN
v~&& = constuinteger(i2)
v&& = v~&&
v## = v&&
ELSE
v&& = constinteger(i2)
v## = v&&
v~&& = v&&
END IF
END IF
IF v&& < 1 OR v&& > 9999999999 THEN Give_Error "STRING * out-of-range constant": EXIT FUNCTION
bytes = v&&
GOTO constantlenstr
END IF
IF isuinteger(c$) = 0 THEN Give_Error "Number/Constant expected after *": EXIT FUNCTION
IF LEN(c$) > 10 THEN Give_Error "Too many characters in number after *": EXIT FUNCTION
bytes = VAL(c$)
IF bytes = 0 THEN Give_Error "Cannot create a fixed string of length 0": EXIT FUNCTION
constantlenstr:
n$ = "STRING" + str2(bytes) + "_" + varname$
'array of fixed length strings
IF elements$ <> "" THEN
arraydesc = 0
IF f = 1 THEN
try = findid(varname$ + "$")
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF (id.arraytype) THEN
l$ = RTRIM$(id.cn)
arraydesc = currentid: scope2$ = scope$
EXIT DO
END IF
IF try = 2 THEN findanotherid = 1: try = findid(varname$ + "$") ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
END IF
n$ = scope2$ + "ARRAY_" + n$
'nume = allocarray(n$, elements$, bytes)
'IF arraydesc THEN goto dim2exitfunc 'id already exists!
'clearid
IF f = 1 THEN
IF LEN(elements$) = 1 AND ASC(elements$) = 63 THEN '"?"
E = arrayelementslist(idn + 1): IF E THEN elements$ = elements$ + str2$(E) 'eg. "?3" for a 3 dimensional array
END IF
nume = allocarray(n$, elements$, bytes)
IF Error_Happened THEN EXIT FUNCTION
l$ = l$ + sp + tlayout$
IF arraydesc THEN GOTO dim2exitfunc
clearid
ELSE
clearid
IF elements$ = "?" THEN
nume = -1
id.linkid = glinkid
id.linkarg = glinkarg
ELSE
nume = VAL(elements$)
END IF
END IF
id.arraytype = STRINGTYPE + ISFIXEDLENGTH
IF cmemlist(idn + 1) THEN id.arraytype = id.arraytype + ISINCONVENTIONALMEMORY
id.n = cvarname$
IF nume > 65536 THEN nume = nume - 65536: id.staticarray = 1
id.arrayelements = nume
id.callname = n$
id.tsize = bytes
IF method = 0 THEN
id.mayhave = "$" + str2(bytes)
END IF
IF method = 1 THEN
id.musthave = "$" + str2(bytes)
END IF
regid
IF Error_Happened THEN EXIT FUNCTION
GOTO dim2exitfunc
END IF
'standard fixed length string
n$ = scope2$ + n$
IF f THEN PRINT #defdatahandle, "qbs *" + n$ + "=NULL;"
IF f THEN PRINT #19, "qbs_free(" + n$ + ");" 'so descriptor can be freed
clearid
id.n = cvarname$
id.t = STRINGTYPE + ISFIXEDLENGTH
IF cmemlist(idn + 1) THEN
id.t = id.t + ISINCONVENTIONALMEMORY
IF f THEN PRINT #13, "if(" + n$ + "==NULL){"
IF f THEN PRINT #13, "cmem_sp-=" + str2(bytes) + ";"
IF f THEN PRINT #13, "if (cmem_spchr,0," + str2(bytes) + ");"
IF f THEN PRINT #13, "}"
ELSE
IF f THEN PRINT #13, "if(" + n$ + "==NULL){"
o$ = "(uint8*)mem_static_malloc(" + str2$(bytes) + ")"
IF f THEN PRINT #13, n$ + "=qbs_new_fixed(" + o$ + "," + str2$(bytes) + ",0);"
IF f THEN PRINT #13, "memset(" + n$ + "->chr,0," + str2$(bytes) + ");"
IF f THEN PRINT #13, "}"
END IF
id.tsize = bytes
IF method = 0 THEN
id.mayhave = "$" + str2(bytes)
END IF
IF method = 1 THEN
id.musthave = "$" + str2(bytes)
END IF
regid
IF Error_Happened THEN EXIT FUNCTION
GOTO dim2exitfunc
END IF
'variable length string processing
n$ = "STRING_" + varname$
'array of variable length strings
IF elements$ <> "" THEN
arraydesc = 0
IF f = 1 THEN
try = findid(varname$ + "$")
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF (id.arraytype) THEN
l$ = RTRIM$(id.cn)
arraydesc = currentid: scope2$ = scope$
EXIT DO
END IF
IF try = 2 THEN findanotherid = 1: try = findid(varname$ + "$") ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
END IF
n$ = scope2$ + "ARRAY_" + n$
'nume = allocarray(n$, elements$, -2147483647) '-2147483647=STRING
'IF arraydesc THEN goto dim2exitfunc 'id already exists!
'clearid
IF f = 1 THEN
IF LEN(elements$) = 1 AND ASC(elements$) = 63 THEN '"?"
E = arrayelementslist(idn + 1): IF E THEN elements$ = elements$ + str2$(E) 'eg. "?3" for a 3 dimensional array
END IF
nume = allocarray(n$, elements$, -2147483647)
IF Error_Happened THEN EXIT FUNCTION
l$ = l$ + sp + tlayout$
IF arraydesc THEN GOTO dim2exitfunc
clearid
ELSE
clearid
IF elements$ = "?" THEN
nume = -1
id.linkid = glinkid
id.linkarg = glinkarg
ELSE
nume = VAL(elements$)
END IF
END IF
id.n = cvarname$
id.arraytype = STRINGTYPE
IF cmemlist(idn + 1) THEN id.arraytype = id.arraytype + ISINCONVENTIONALMEMORY
IF nume > 65536 THEN nume = nume - 65536: id.staticarray = 1
id.arrayelements = nume
id.callname = n$
IF method = 0 THEN
id.mayhave = "$"
END IF
IF method = 1 THEN
id.musthave = "$"
END IF
regid
IF Error_Happened THEN EXIT FUNCTION
GOTO dim2exitfunc
END IF
'standard variable length string
n$ = scope2$ + n$
clearid
id.n = cvarname$
id.t = STRINGTYPE
IF cmemlist(idn + 1) THEN
IF f THEN PRINT #defdatahandle, "qbs *" + n$ + "=NULL;"
IF f THEN PRINT #13, "if (!" + n$ + ")" + n$ + "=qbs_new_cmem(0,0);"
id.t = id.t + ISINCONVENTIONALMEMORY
ELSE
IF f THEN PRINT #defdatahandle, "qbs *" + n$ + "=NULL;"
IF f THEN PRINT #13, "if (!" + n$ + ")" + n$ + "=qbs_new(0,0);"
END IF
IF f THEN PRINT #19, "qbs_free(" + n$ + ");"
IF method = 0 THEN
id.mayhave = "$"
END IF
IF method = 1 THEN
id.musthave = "$"
END IF
regid
IF Error_Happened THEN EXIT FUNCTION
GOTO dim2exitfunc
END IF
IF LEFT$(typ$, 4) = "_BIT" THEN
IF LEN(typ$) > 4 THEN
IF LEFT$(typ$, 7) <> "_BIT * " THEN Give_Error "Expected _BIT * number": EXIT FUNCTION
c$ = RIGHT$(typ$, LEN(typ$) - 7)
IF isuinteger(c$) = 0 THEN Give_Error "Number expected after *": EXIT FUNCTION
IF LEN(c$) > 2 THEN Give_Error "Too many characters in number after *": EXIT FUNCTION
bits = VAL(c$)
IF bits = 0 THEN Give_Error "Cannot create a bit variable of size 0 bits": EXIT FUNCTION
IF bits > 57 THEN Give_Error "Cannot create a bit variable of size > 24 bits": EXIT FUNCTION
ELSE
bits = 1
END IF
IF bits <= 32 THEN ct$ = "int32" ELSE ct$ = "int64"
IF unsgn THEN n$ = "U": ct$ = "u" + ct$
n$ = n$ + "BIT" + str2(bits) + "_" + varname$
'array of bit-length variables
IF elements$ <> "" THEN
arraydesc = 0
cmps$ = varname$: IF unsgn THEN cmps$ = cmps$ + "~"
cmps$ = cmps$ + "`" + str2(bits)
IF f = 1 THEN
try = findid(cmps$)
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF (id.arraytype) THEN
l$ = RTRIM$(id.cn)
arraydesc = currentid: scope2$ = scope$
EXIT DO
END IF
IF try = 2 THEN findanotherid = 1: try = findid(cmps$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
END IF
n$ = scope2$ + "ARRAY_" + n$
'nume = allocarray(n$, elements$, -bits) 'passing a negative element size signifies bits not bytes
'IF arraydesc THEN goto dim2exitfunc 'id already exists!
'clearid
IF f = 1 THEN
IF LEN(elements$) = 1 AND ASC(elements$) = 63 THEN '"?"
E = arrayelementslist(idn + 1): IF E THEN elements$ = elements$ + str2$(E) 'eg. "?3" for a 3 dimensional array
END IF
nume = allocarray(n$, elements$, -bits)
IF Error_Happened THEN EXIT FUNCTION
l$ = l$ + sp + tlayout$
IF arraydesc THEN GOTO dim2exitfunc
clearid
ELSE
clearid
IF elements$ = "?" THEN
nume = -1
id.linkid = glinkid
id.linkarg = glinkarg
ELSE
nume = VAL(elements$)
END IF
END IF
id.n = cvarname$
id.arraytype = BITTYPE - 1 + bits
IF unsgn THEN id.arraytype = id.arraytype + ISUNSIGNED
IF cmemlist(idn + 1) THEN id.arraytype = id.arraytype + ISINCONVENTIONALMEMORY
IF nume > 65536 THEN nume = nume - 65536: id.staticarray = 1
id.arrayelements = nume
id.callname = n$
IF method = 0 THEN
IF unsgn THEN id.mayhave = "~`" + str2(bits) ELSE id.mayhave = "`" + str2(bits)
END IF
IF method = 1 THEN
IF unsgn THEN id.musthave = "~`" + str2(bits) ELSE id.musthave = "`" + str2(bits)
END IF
regid
IF Error_Happened THEN EXIT FUNCTION
GOTO dim2exitfunc
END IF
'standard bit-length variable
n$ = scope2$ + n$
PRINT #defdatahandle, ct$ + " *" + n$ + "=NULL;"
PRINT #13, "if(" + n$ + "==NULL){"
PRINT #13, "cmem_sp-=4;"
PRINT #13, "if (cmem_sp "" THEN
arraydesc = 0
cmps$ = varname$: IF unsgn THEN cmps$ = cmps$ + "~"
cmps$ = cmps$ + "%%"
IF f = 1 THEN
try = findid(cmps$)
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF (id.arraytype) THEN
l$ = RTRIM$(id.cn)
arraydesc = currentid: scope2$ = scope$
EXIT DO
END IF
IF try = 2 THEN findanotherid = 1: try = findid(cmps$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
END IF
n$ = scope2$ + "ARRAY_" + n$
'nume = allocarray(n$, elements$, 1)
'IF arraydesc THEN goto dim2exitfunc
'clearid
IF f = 1 THEN
IF LEN(elements$) = 1 AND ASC(elements$) = 63 THEN '"?"
E = arrayelementslist(idn + 1): IF E THEN elements$ = elements$ + str2$(E) 'eg. "?3" for a 3 dimensional array
END IF
nume = allocarray(n$, elements$, 1)
IF Error_Happened THEN EXIT FUNCTION
l$ = l$ + sp + tlayout$
IF arraydesc THEN GOTO dim2exitfunc
clearid
ELSE
clearid
IF elements$ = "?" THEN
nume = -1
id.linkid = glinkid
id.linkarg = glinkarg
ELSE
nume = VAL(elements$)
END IF
END IF
id.arraytype = BYTETYPE: IF unsgn THEN id.arraytype = id.arraytype + ISUNSIGNED
IF cmemlist(idn + 1) THEN id.arraytype = id.arraytype + ISINCONVENTIONALMEMORY
IF nume > 65536 THEN nume = nume - 65536: id.staticarray = 1
id.arrayelements = nume
id.callname = n$
ELSE
n$ = scope2$ + n$
clearid
id.t = BYTETYPE: IF unsgn THEN id.t = id.t + ISUNSIGNED
IF f = 1 THEN PRINT #defdatahandle, ct$ + " *" + n$ + "=NULL;"
IF f = 1 THEN PRINT #13, "if(" + n$ + "==NULL){"
IF cmemlist(idn + 1) THEN
id.t = id.t + ISINCONVENTIONALMEMORY
IF f = 1 THEN PRINT #13, "cmem_sp-=1;"
IF f = 1 THEN PRINT #13, n$ + "=(" + ct$ + "*)(dblock+cmem_sp);"
IF f = 1 THEN PRINT #13, "if (cmem_sp "" THEN
arraydesc = 0
cmps$ = varname$: IF unsgn THEN cmps$ = cmps$ + "~"
cmps$ = cmps$ + "%"
IF f = 1 THEN
try = findid(cmps$)
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF (id.arraytype) THEN
l$ = RTRIM$(id.cn)
arraydesc = currentid: scope2$ = scope$
EXIT DO
END IF
IF try = 2 THEN findanotherid = 1: try = findid(cmps$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
END IF
n$ = scope2$ + "ARRAY_" + n$
IF f = 1 THEN
IF LEN(elements$) = 1 AND ASC(elements$) = 63 THEN '"?"
E = arrayelementslist(idn + 1): IF E THEN elements$ = elements$ + str2$(E) 'eg. "?3" for a 3 dimensional array
END IF
nume = allocarray(n$, elements$, 2)
IF Error_Happened THEN EXIT FUNCTION
l$ = l$ + sp + tlayout$
IF arraydesc THEN GOTO dim2exitfunc
clearid
ELSE
clearid
IF elements$ = "?" THEN
nume = -1
id.linkid = glinkid
id.linkarg = glinkarg
ELSE
nume = VAL(elements$)
END IF
END IF
id.arraytype = INTEGERTYPE: IF unsgn THEN id.arraytype = id.arraytype + ISUNSIGNED
IF cmemlist(idn + 1) THEN id.arraytype = id.arraytype + ISINCONVENTIONALMEMORY
IF nume > 65536 THEN nume = nume - 65536: id.staticarray = 1
id.arrayelements = nume
id.callname = n$
ELSE
n$ = scope2$ + n$
clearid
id.t = INTEGERTYPE: IF unsgn THEN id.t = id.t + ISUNSIGNED
IF f = 1 THEN PRINT #defdatahandle, ct$ + " *" + n$ + "=NULL;"
IF f = 1 THEN PRINT #13, "if(" + n$ + "==NULL){"
IF cmemlist(idn + 1) THEN
id.t = id.t + ISINCONVENTIONALMEMORY
IF f = 1 THEN PRINT #13, "cmem_sp-=2;"
IF f = 1 THEN PRINT #13, n$ + "=(" + ct$ + "*)(dblock+cmem_sp);"
IF f = 1 THEN PRINT #13, "if (cmem_sp "" THEN
arraydesc = 0
cmps$ = varname$: IF unsgn THEN cmps$ = cmps$ + "~"
cmps$ = cmps$ + "%&"
IF f = 1 THEN
try = findid(cmps$)
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF (id.arraytype) THEN
l$ = RTRIM$(id.cn)
arraydesc = currentid: scope2$ = scope$
EXIT DO
END IF
IF try = 2 THEN findanotherid = 1: try = findid(cmps$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
END IF
n$ = scope2$ + "ARRAY_" + n$
IF f = 1 THEN
IF LEN(elements$) = 1 AND ASC(elements$) = 63 THEN '"?"
E = arrayelementslist(idn + 1): IF E THEN elements$ = elements$ + str2$(E) 'eg. "?3" for a 3 dimensional array
END IF
nume = allocarray(n$, elements$, OS_BITS \ 8)
IF Error_Happened THEN EXIT FUNCTION
l$ = l$ + sp + tlayout$
IF arraydesc THEN GOTO dim2exitfunc
clearid
ELSE
clearid
IF elements$ = "?" THEN
nume = -1
id.linkid = glinkid
id.linkarg = glinkarg
ELSE
nume = VAL(elements$)
END IF
END IF
id.arraytype = OFFSETTYPE: IF unsgn THEN id.arraytype = id.arraytype + ISUNSIGNED
IF cmemlist(idn + 1) THEN id.arraytype = id.arraytype + ISINCONVENTIONALMEMORY
IF nume > 65536 THEN nume = nume - 65536: id.staticarray = 1
id.arrayelements = nume
id.callname = n$
ELSE
n$ = scope2$ + n$
clearid
id.t = OFFSETTYPE: IF unsgn THEN id.t = id.t + ISUNSIGNED
IF f = 1 THEN PRINT #defdatahandle, ct$ + " *" + n$ + "=NULL;"
IF f = 1 THEN PRINT #13, "if(" + n$ + "==NULL){"
IF cmemlist(idn + 1) THEN
id.t = id.t + ISINCONVENTIONALMEMORY
IF f = 1 THEN PRINT #13, "cmem_sp-=" + str2(OS_BITS \ 8) + ";"
IF f = 1 THEN PRINT #13, n$ + "=(" + ct$ + "*)(dblock+cmem_sp);"
IF f = 1 THEN PRINT #13, "if (cmem_sp "" THEN
arraydesc = 0
cmps$ = varname$: IF unsgn THEN cmps$ = cmps$ + "~"
cmps$ = cmps$ + "&"
IF f = 1 THEN
try = findid(cmps$)
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF (id.arraytype) THEN
l$ = RTRIM$(id.cn)
arraydesc = currentid: scope2$ = scope$
EXIT DO
END IF
IF try = 2 THEN findanotherid = 1: try = findid(cmps$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
END IF
n$ = scope2$ + "ARRAY_" + n$
'nume = allocarray(n$, elements$, 4)
'IF arraydesc THEN goto dim2exitfunc
'clearid
IF f = 1 THEN
IF LEN(elements$) = 1 AND ASC(elements$) = 63 THEN '"?"
E = arrayelementslist(idn + 1): IF E THEN elements$ = elements$ + str2$(E) 'eg. "?3" for a 3 dimensional array
END IF
nume = allocarray(n$, elements$, 4)
IF Error_Happened THEN EXIT FUNCTION
l$ = l$ + sp + tlayout$
IF arraydesc THEN GOTO dim2exitfunc
clearid
ELSE
clearid
IF elements$ = "?" THEN
nume = -1
id.linkid = glinkid
id.linkarg = glinkarg
ELSE
nume = VAL(elements$)
END IF
END IF
id.arraytype = LONGTYPE: IF unsgn THEN id.arraytype = id.arraytype + ISUNSIGNED
IF cmemlist(idn + 1) THEN id.arraytype = id.arraytype + ISINCONVENTIONALMEMORY
IF nume > 65536 THEN nume = nume - 65536: id.staticarray = 1
id.arrayelements = nume
id.callname = n$
ELSE
n$ = scope2$ + n$
clearid
id.t = LONGTYPE: IF unsgn THEN id.t = id.t + ISUNSIGNED
IF f = 1 THEN PRINT #defdatahandle, ct$ + " *" + n$ + "=NULL;"
IF f = 1 THEN PRINT #13, "if(" + n$ + "==NULL){"
IF cmemlist(idn + 1) THEN
id.t = id.t + ISINCONVENTIONALMEMORY
IF f = 1 THEN PRINT #13, "cmem_sp-=4;"
IF f = 1 THEN PRINT #13, n$ + "=(" + ct$ + "*)(dblock+cmem_sp);"
IF f = 1 THEN PRINT #13, "if (cmem_sp "" THEN
arraydesc = 0
cmps$ = varname$: IF unsgn THEN cmps$ = cmps$ + "~"
cmps$ = cmps$ + "&&"
IF f = 1 THEN
try = findid(cmps$)
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF (id.arraytype) THEN
l$ = RTRIM$(id.cn)
arraydesc = currentid: scope2$ = scope$
EXIT DO
END IF
IF try = 2 THEN findanotherid = 1: try = findid(cmps$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
END IF
n$ = scope2$ + "ARRAY_" + n$
'nume = allocarray(n$, elements$, 8)
'IF arraydesc THEN goto dim2exitfunc
'clearid
IF f = 1 THEN
IF LEN(elements$) = 1 AND ASC(elements$) = 63 THEN '"?"
E = arrayelementslist(idn + 1): IF E THEN elements$ = elements$ + str2$(E) 'eg. "?3" for a 3 dimensional array
END IF
nume = allocarray(n$, elements$, 8)
IF Error_Happened THEN EXIT FUNCTION
l$ = l$ + sp + tlayout$
IF arraydesc THEN GOTO dim2exitfunc
clearid
ELSE
clearid
IF elements$ = "?" THEN
nume = -1
id.linkid = glinkid
id.linkarg = glinkarg
ELSE
nume = VAL(elements$)
END IF
END IF
id.arraytype = INTEGER64TYPE: IF unsgn THEN id.arraytype = id.arraytype + ISUNSIGNED
IF cmemlist(idn + 1) THEN id.arraytype = id.arraytype + ISINCONVENTIONALMEMORY
IF nume > 65536 THEN nume = nume - 65536: id.staticarray = 1
id.arrayelements = nume
id.callname = n$
ELSE
n$ = scope2$ + n$
clearid
id.t = INTEGER64TYPE: IF unsgn THEN id.t = id.t + ISUNSIGNED
IF f = 1 THEN PRINT #defdatahandle, ct$ + " *" + n$ + "=NULL;"
IF f = 1 THEN PRINT #13, "if(" + n$ + "==NULL){"
IF cmemlist(idn + 1) THEN
id.t = id.t + ISINCONVENTIONALMEMORY
IF f = 1 THEN PRINT #13, "cmem_sp-=8;"
IF f = 1 THEN PRINT #13, n$ + "=(" + ct$ + "*)(dblock+cmem_sp);"
IF f = 1 THEN PRINT #13, "if (cmem_sp "" THEN
arraydesc = 0
cmps$ = varname$ + "!"
IF f = 1 THEN
try = findid(cmps$)
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF (id.arraytype) THEN
l$ = RTRIM$(id.cn)
arraydesc = currentid: scope2$ = scope$
EXIT DO
END IF
IF try = 2 THEN findanotherid = 1: try = findid(cmps$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
END IF
n$ = scope2$ + "ARRAY_" + n$
'nume = allocarray(n$, elements$, 4)
'IF arraydesc THEN goto dim2exitfunc
'clearid
IF f = 1 THEN
IF LEN(elements$) = 1 AND ASC(elements$) = 63 THEN '"?"
E = arrayelementslist(idn + 1): IF E THEN elements$ = elements$ + str2$(E) 'eg. "?3" for a 3 dimensional array
END IF
nume = allocarray(n$, elements$, 4)
IF Error_Happened THEN EXIT FUNCTION
l$ = l$ + sp + tlayout$
IF arraydesc THEN GOTO dim2exitfunc
clearid
ELSE
clearid
IF elements$ = "?" THEN
nume = -1
id.linkid = glinkid
id.linkarg = glinkarg
ELSE
nume = VAL(elements$)
END IF
END IF
id.arraytype = SINGLETYPE
IF cmemlist(idn + 1) THEN id.arraytype = id.arraytype + ISINCONVENTIONALMEMORY
IF nume > 65536 THEN nume = nume - 65536: id.staticarray = 1
id.arrayelements = nume
id.callname = n$
ELSE
n$ = scope2$ + n$
clearid
id.t = SINGLETYPE
IF f = 1 THEN PRINT #defdatahandle, ct$ + " *" + n$ + "=NULL;"
IF f = 1 THEN PRINT #13, "if(" + n$ + "==NULL){"
IF cmemlist(idn + 1) THEN
id.t = id.t + ISINCONVENTIONALMEMORY
IF f = 1 THEN PRINT #13, "cmem_sp-=4;"
IF f = 1 THEN PRINT #13, n$ + "=(" + ct$ + "*)(dblock+cmem_sp);"
IF f = 1 THEN PRINT #13, "if (cmem_sp "" THEN
arraydesc = 0
cmps$ = varname$ + "#"
IF f = 1 THEN
try = findid(cmps$)
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF (id.arraytype) THEN
l$ = RTRIM$(id.cn)
arraydesc = currentid: scope2$ = scope$
EXIT DO
END IF
IF try = 2 THEN findanotherid = 1: try = findid(cmps$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
END IF
n$ = scope2$ + "ARRAY_" + n$
'nume = allocarray(n$, elements$, 8)
'IF arraydesc THEN goto dim2exitfunc
'clearid
IF f = 1 THEN
IF LEN(elements$) = 1 AND ASC(elements$) = 63 THEN '"?"
E = arrayelementslist(idn + 1): IF E THEN elements$ = elements$ + str2$(E) 'eg. "?3" for a 3 dimensional array
END IF
nume = allocarray(n$, elements$, 8)
IF Error_Happened THEN EXIT FUNCTION
l$ = l$ + sp + tlayout$
IF arraydesc THEN GOTO dim2exitfunc
clearid
ELSE
clearid
IF elements$ = "?" THEN
nume = -1
id.linkid = glinkid
id.linkarg = glinkarg
ELSE
nume = VAL(elements$)
END IF
END IF
id.arraytype = DOUBLETYPE
IF cmemlist(idn + 1) THEN id.arraytype = id.arraytype + ISINCONVENTIONALMEMORY
IF nume > 65536 THEN nume = nume - 65536: id.staticarray = 1
id.arrayelements = nume
id.callname = n$
ELSE
n$ = scope2$ + n$
clearid
id.t = DOUBLETYPE
IF f = 1 THEN PRINT #defdatahandle, ct$ + " *" + n$ + "=NULL;"
IF f = 1 THEN PRINT #13, "if(" + n$ + "==NULL){"
IF cmemlist(idn + 1) THEN
id.t = id.t + ISINCONVENTIONALMEMORY
IF f = 1 THEN PRINT #13, "cmem_sp-=8;"
IF f = 1 THEN PRINT #13, n$ + "=(" + ct$ + "*)(dblock+cmem_sp);"
IF f = 1 THEN PRINT #13, "if (cmem_sp "" THEN
arraydesc = 0
cmps$ = varname$ + "##"
IF f = 1 THEN
try = findid(cmps$)
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF (id.arraytype) THEN
l$ = RTRIM$(id.cn)
arraydesc = currentid: scope2$ = scope$
EXIT DO
END IF
IF try = 2 THEN findanotherid = 1: try = findid(cmps$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
END IF
n$ = scope2$ + "ARRAY_" + n$
'nume = allocarray(n$, elements$, 32)
'IF arraydesc THEN goto dim2exitfunc
'clearid
IF f = 1 THEN
IF LEN(elements$) = 1 AND ASC(elements$) = 63 THEN '"?"
E = arrayelementslist(idn + 1): IF E THEN elements$ = elements$ + str2$(E) 'eg. "?3" for a 3 dimensional array
END IF
nume = allocarray(n$, elements$, 32)
IF Error_Happened THEN EXIT FUNCTION
l$ = l$ + sp + tlayout$
IF arraydesc THEN GOTO dim2exitfunc
clearid
ELSE
clearid
IF elements$ = "?" THEN
nume = -1
id.linkid = glinkid
id.linkarg = glinkarg
ELSE
nume = VAL(elements$)
END IF
END IF
id.arraytype = FLOATTYPE
IF cmemlist(idn + 1) THEN id.arraytype = id.arraytype + ISINCONVENTIONALMEMORY
IF nume > 65536 THEN nume = nume - 65536: id.staticarray = 1
id.arrayelements = nume
id.callname = n$
ELSE
n$ = scope2$ + n$
clearid
id.t = FLOATTYPE
IF f THEN PRINT #defdatahandle, ct$ + " *" + n$ + "=NULL;"
IF f THEN PRINT #13, "if(" + n$ + "==NULL){"
IF cmemlist(idn + 1) THEN
id.t = id.t + ISINCONVENTIONALMEMORY
IF f THEN PRINT #13, "cmem_sp-=32;"
IF f THEN PRINT #13, n$ + "=(" + ct$ + "*)(dblock+cmem_sp);"
IF f THEN PRINT #13, "if (cmem_sp 0 AND dimshared = 0 THEN
defdatahandle = 13
CLOSE #13: OPEN tmpdir$ + "data" + str2$(subfuncn) + ".txt" FOR APPEND AS #13
CLOSE #19: OPEN tmpdir$ + "free" + str2$(subfuncn) + ".txt" FOR APPEND AS #19
END IF
tlayout$ = l$
END FUNCTION
FUNCTION udtreference$ (o$, a$, typ AS LONG)
'UDT REFERENCE FORMAT
'idno|udtno|udtelementno|byteoffset
' ^udt of the element, not of the id
obak$ = o$
'PRINT "called udtreference!"
r$ = str2$(currentid) + sp3
o = 0 'the fixed/known part of the offset
incmem = 0
IF id.t THEN
u = id.t AND 511
IF id.t AND ISINCONVENTIONALMEMORY THEN incmem = 1
ELSE
u = id.arraytype AND 511
IF id.arraytype AND ISINCONVENTIONALMEMORY THEN incmem = 1
END IF
E = 0
n = numelements(a$)
IF n = 0 THEN GOTO fulludt
i = 1
udtfindelenext:
IF getelement$(a$, i) <> "." THEN Give_Error "Expected .": EXIT FUNCTION
i = i + 1
n$ = getelement$(a$, i)
nsym$ = removesymbol(n$): IF LEN(nsym$) THEN ntyp = typname2typ(nsym$): ntypsize = typname2typsize
IF Error_Happened THEN EXIT FUNCTION
IF n$ = "" THEN Give_Error "Expected .elementname": EXIT FUNCTION
udtfindele:
IF E = 0 THEN E = udtxnext(u) ELSE E = udtenext(E)
IF E = 0 THEN Give_Error "Element not defined": EXIT FUNCTION
n2$ = RTRIM$(udtename(E))
IF udtebytealign(E) THEN
IF o MOD 8 THEN o = o + (8 - (o MOD 8))
END IF
IF n$ <> n2$ THEN
'increment fixed offset
o = o + udtesize(E)
GOTO udtfindele
END IF
'check symbol after element's name (if given) is correct
IF LEN(nsym$) THEN
IF udtetype(E) AND ISUDT THEN Give_Error "Invalid symbol after user defined type": EXIT FUNCTION
IF ntyp <> udtetype(E) OR ntypsize <> udtetypesize(E) THEN
IF nsym$ = "$" AND ((udtetype(E) AND ISFIXEDLENGTH) <> 0) THEN GOTO correctsymbol
Give_Error "Incorrect symbol after element name": EXIT FUNCTION
END IF
END IF
correctsymbol:
'Move into another UDT structure?
IF i <> n THEN
IF (udtetype(E) AND ISUDT) = 0 THEN Give_Error "Expected user defined type": EXIT FUNCTION
u = udtetype(E) AND 511
E = 0
i = i + 1
GOTO udtfindelenext
END IF
'Change e reference to u CHR$(179) 0 reference?
IF udtetype(E) AND ISUDT THEN
u = udtetype(E) AND 511
E = 0
END IF
fulludt:
r$ = r$ + str2$(u) + sp3 + str2$(E) + sp3
IF o MOD 8 THEN Give_Error "QB64 cannot handle bit offsets within user defined types yet": EXIT FUNCTION
o = o \ 8
IF o$ <> "" THEN
IF o <> 0 THEN 'dont add an unnecessary 0
o$ = o$ + "+" + str2$(o)
END IF
ELSE
o$ = str2$(o)
END IF
r$ = r$ + o$
udtreference$ = r$
typ = udtetype(E) + ISUDT + ISREFERENCE
'full udt override:
IF E = 0 THEN
typ = u + ISUDT + ISREFERENCE
END IF
IF obak$ <> "" THEN typ = typ + ISARRAY
IF incmem THEN typ = typ + ISINCONVENTIONALMEMORY
'print "UDTREF:"+r$+","+str2$(typ)
END FUNCTION
FUNCTION evaluate$ (a2$, typ AS LONG)
DIM block(1000) AS STRING
DIM evaledblock(1000) AS INTEGER
DIM blocktype(1000) AS LONG
'typ IS A RETURN VALUE
'''DIM cli(15) AS INTEGER
a$ = a2$
typ = -1
IF Debug THEN PRINT #9, "evaluating:[" + a2$ + "]"
IF a2$ = "" THEN Give_Error "Syntax error": EXIT FUNCTION
'''cl$ = classify(a$)
blockn = 0
n = numelements(a$)
b = 0 'bracketting level
FOR i = 1 TO n
reevaluate:
l$ = getelement(a$, i)
IF Debug THEN PRINT #9, "#*#*#* reevaluating:" + l$, i
IF i <> n THEN nextl$ = getelement(a$, i + 1) ELSE nextl$ = ""
'''getclass cl$, i, cli()
IF b = 0 THEN 'don't evaluate anything within brackets
IF Debug THEN PRINT #9, l$
l2$ = l$ 'pure version of l$
FOR try_method = 1 TO 4
l$ = l2$
IF try_method = 2 OR try_method = 4 THEN
IF Error_Happened THEN EXIT FUNCTION
dtyp$ = removesymbol(l$): IF Error_Happened THEN dtyp$ = "": Error_Happened = 0
IF LEN(dtyp$) = 0 THEN
IF isoperator(l$) = 0 THEN
IF isvalidvariable(l$) THEN
IF LEFT$(l$, 1) = "_" THEN v = 27 ELSE v = ASC(UCASE$(l$)) - 64
l$ = l$ + defineextaz(v)
END IF
END IF
ELSE
l$ = l2$
END IF
END IF
try = findid(l$)
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF Debug THEN PRINT #9, try
'is l$ an array?
IF nextl$ = "(" THEN
IF id.arraytype THEN
IF (subfuncn = id.insubfuncn AND try_method <= 2) OR try_method >= 3 THEN
arrayid = currentid
constequation = 0
i2 = i + 2
b2 = 0
evalnextele3:
l2$ = getelement(a$, i2)
IF l2$ = "(" THEN b2 = b2 + 1
IF l2$ = ")" THEN
b2 = b2 - 1
IF b2 = -1 THEN
c$ = arrayreference(getelements$(a$, i + 2, i2 - 1), typ2)
IF Error_Happened THEN EXIT FUNCTION
i = i2
'UDT
IF typ2 AND ISUDT THEN
'print "arrayref returned:"+c$
getid arrayid
IF Error_Happened THEN EXIT FUNCTION
o$ = RIGHT$(c$, LEN(c$) - INSTR(c$, sp3))
'change o$ to a byte offset if necessary
u = typ2 AND 511
s = udtxsize(u)
IF udtxbytealign(u) THEN
IF s MOD 8 THEN s = s + (8 - (s MOD 8)) 'round up to nearest byte
s = s \ 8
END IF
o$ = "(" + o$ + ")*" + str2$(s)
'print "calling evaludt with o$:"+o$
GOTO evaludt
END IF
GOTO evalednextele3
END IF
END IF
i2 = i2 + 1
GOTO evalnextele3
evalednextele3:
blockn = blockn + 1
block(blockn) = c$
evaledblock(blockn) = 2
blocktype(blockn) = typ2
IF (typ2 AND ISSTRING) THEN stringprocessinghappened = 1
GOTO evaled
END IF
END IF
ELSE
'not followed by "("
'is l$ a simple variable?
IF id.t <> 0 AND (id.t AND ISUDT) = 0 THEN
IF (subfuncn = id.insubfuncn AND try_method <= 2) OR try_method >= 3 THEN
constequation = 0
blockn = blockn + 1
makeidrefer block(blockn), blocktype(blockn)
IF (blocktype(blockn) AND ISSTRING) THEN stringprocessinghappened = 1
evaledblock(blockn) = 2
GOTO evaled
END IF
END IF
'is l$ a UDT?
IF id.t AND ISUDT THEN
IF (subfuncn = id.insubfuncn AND try_method <= 2) OR try_method >= 3 THEN
constequation = 0
o$ = ""
evaludt:
b2 = 0
i3 = i + 1
FOR i2 = i3 TO n
e2$ = getelement(a$, i2)
IF e2$ = "(" THEN b2 = b2 + 1
IF b2 = 0 THEN
IF e2$ = ")" OR isoperator(e2$) THEN
i4 = i2 - 1
GOTO gotudt
END IF
END IF
IF e2$ = ")" THEN b2 = b2 - 1
NEXT
i4 = n
gotudt:
IF i4 < i3 THEN e$ = "" ELSE e$ = getelements$(a$, i3, i4)
'PRINT "UDTREFERENCE:";l$; e$
e$ = udtreference(o$, e$, typ2)
IF Error_Happened THEN EXIT FUNCTION
i = i4
blockn = blockn + 1
block(blockn) = e$
evaledblock(blockn) = 2
blocktype(blockn) = typ2
'is the following next necessary?
'IF (typ2 AND ISSTRING) THEN stringprocessinghappened = 1
GOTO evaled
END IF
END IF
END IF '"(" or no "("
'is l$ a function?
IF id.subfunc = 1 THEN
constequation = 0
IF getelement(a$, i + 1) = "(" THEN
i2 = i + 2
b2 = 0
args = 1
evalnextele:
l2$ = getelement(a$, i2)
IF l2$ = "(" THEN b2 = b2 + 1
IF l2$ = ")" THEN
b2 = b2 - 1
IF b2 = -1 THEN
IF i2 = i + 2 THEN Give_Error "Expected (...)": EXIT FUNCTION
c$ = evaluatefunc(getelements$(a$, i + 2, i2 - 1), args, typ2)
IF Error_Happened THEN EXIT FUNCTION
i = i2
GOTO evalednextele
END IF
END IF
IF l2$ = "," AND b2 = 0 THEN args = args + 1
i2 = i2 + 1
GOTO evalnextele
ELSE
'no brackets
c$ = evaluatefunc("", 0, typ2)
IF Error_Happened THEN EXIT FUNCTION
END IF
evalednextele:
blockn = blockn + 1
block(blockn) = c$
evaledblock(blockn) = 2
blocktype(blockn) = typ2
IF (typ2 AND ISSTRING) THEN stringprocessinghappened = 1
GOTO evaled
END IF
IF try = 2 THEN findanotherid = 1: try = findid(l$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
NEXT 'try method (1-4)
'assume l$ an undefined array?
IF i <> n THEN
IF getelement$(a$, i + 1) = "(" THEN
IF isoperator(l$) = 0 THEN
IF isvalidvariable(l$) THEN
IF Debug THEN
PRINT #9, "**************"
PRINT #9, "about to auto-create array:" + l$, i
PRINT #9, "**************"
END IF
dtyp$ = removesymbol(l$)
IF Error_Happened THEN EXIT FUNCTION
'count the number of elements
nume = 1
b2 = 0
FOR i2 = i + 2 TO n
e$ = getelement(a$, i2)
IF e$ = "(" THEN b2 = b2 + 1
IF b2 = 0 AND e$ = "," THEN nume = nume + 1
IF e$ = ")" THEN b2 = b2 - 1
IF b2 = -1 THEN EXIT FOR
NEXT
fakee$ = "10": FOR i2 = 2 TO nume: fakee$ = fakee$ + sp + "," + sp + "10": NEXT
IF Debug THEN PRINT #9, "evaluate:creating undefined array using dim2(" + l$ + "," + dtyp$ + ",1," + fakee$ + ")"
IF optionexplicit THEN Give_Error "Array '" + l$ + "' (" + symbol2fulltypename$(dtyp$) + ") not defined": EXIT FUNCTION
IF Error_Happened THEN EXIT FUNCTION
olddimstatic = dimstatic
method = 1
IF subfuncn THEN
autoarray = 1 'move dimensioning of auto array to data???.txt from inline
'static array declared by STATIC name()?
'check if varname is on the static list
xi = 1
FOR x = 1 TO staticarraylistn
varname2$ = getelement$(staticarraylist, xi): xi = xi + 1
typ2$ = getelement$(staticarraylist, xi): xi = xi + 1
dimmethod2 = VAL(getelement$(staticarraylist, xi)): xi = xi + 1
'check if they are similar
IF UCASE$(l$) = UCASE$(varname2$) THEN
l3$ = l2$: s$ = removesymbol(l3$)
IF symbol2fulltypename$(dtyp$) = typ2$ OR (dimmethod2 = 0 AND s$ = "") THEN
IF Error_Happened THEN EXIT FUNCTION
'adopt properties
l$ = varname2$
dtyp$ = typ2$
method = dimmethod2
dimstatic = 3
END IF 'typ
IF Error_Happened THEN EXIT FUNCTION
END IF 'varname
NEXT
END IF 'subfuncn
ignore = dim2(l$, dtyp$, method, fakee$)
IF Error_Happened THEN EXIT FUNCTION
dimstatic = olddimstatic
IF Debug THEN PRINT #9, "#*#*#* dim2 has returned!!!"
GOTO reevaluate
END IF
END IF
END IF
END IF
l$ = l2$ 'restore l$
END IF 'b=0
IF l$ = "(" THEN
IF b = 0 THEN i1 = i + 1
b = b + 1
END IF
IF b = 0 THEN
blockn = blockn + 1
block(blockn) = l$
evaledblock(blockn) = 0
END IF
IF l$ = ")" THEN
b = b - 1
IF b = 0 THEN
c$ = evaluate(getelements$(a$, i1, i - 1), typ2)
IF Error_Happened THEN EXIT FUNCTION
IF (typ2 AND ISSTRING) THEN stringprocessinghappened = 1
blockn = blockn + 1
IF (typ2 AND ISPOINTER) THEN
block(blockn) = c$
ELSE
block(blockn) = "(" + c$ + ")"
END IF
evaledblock(blockn) = 1
blocktype(blockn) = typ2
END IF
END IF
evaled:
NEXT
r$ = "" 'return value
IF Debug THEN PRINT #9, "evaluated blocks:";
FOR i = 1 TO blockn
IF i <> blockn THEN
IF Debug THEN PRINT #9, block(i) + CHR$(219);
ELSE
IF Debug THEN PRINT #9, block(i)
END IF
NEXT
'identify any referencable values
FOR i = 1 TO blockn
IF isoperator(block(i)) = 0 THEN
IF evaledblock(i) = 0 THEN
'a number?
c = ASC(LEFT$(block(i), 1))
IF c = 45 OR (c >= 48 AND c <= 57) THEN
num$ = block(i)
'a float?
f = 0
x = INSTR(num$, "E")
IF x THEN
f = 1: blocktype(i) = SINGLETYPE - ISPOINTER
ELSE
x = INSTR(num$, "D")
IF x THEN
f = 2: blocktype(i) = DOUBLETYPE - ISPOINTER
ELSE
x = INSTR(num$, "F")
IF x THEN
f = 3: blocktype(i) = FLOATTYPE - ISPOINTER
END IF
END IF
END IF
IF f THEN
'float
IF f = 2 OR f = 3 THEN MID$(num$, x, 1) = "E" 'D,F invalid in C++
IF f = 3 THEN num$ = num$ + "L" 'otherwise number is rounded to a double
ELSE
'integer
blocktype(i) = typname2typ(removesymbol$(num$))
IF Error_Happened THEN EXIT FUNCTION
IF blocktype(i) AND ISPOINTER THEN blocktype(i) = blocktype(i) - ISPOINTER
IF (blocktype(i) AND 511) > 32 THEN
IF blocktype(i) AND ISUNSIGNED THEN num$ = num$ + "ull" ELSE num$ = num$ + "ll"
END IF
END IF
block(i) = " " + num$ + " " 'pad with spaces to avoid C++ computation errors
evaledblock(i) = 1
GOTO evaledblock
END IF
'number?
'fc = ASC(LEFT$(block(i), 1))
'IF fc = 45 OR (fc >= 48 AND fc <= 57) THEN '- or 0-9
''it's a number
''check for an extension, if none, assume integer
'blocktype(i) = INTEGER64TYPE - ISPOINTER
'tblock$ = " " + block(i)
'IF RIGHT$(tblock$, 2) = "##" THEN blocktype(i) = FLOATTYPE - ISPOINTER: block(i) = LEFT$(block(i), LEN(block$(i)) - 2): GOTO evfltnum
'IF RIGHT$(tblock$, 1) = "#" THEN blocktype(i) = DOUBLETYPE - ISPOINTER: block(i) = LEFT$(block(i), LEN(block$(i)) - 1): GOTO evfltnum
'IF RIGHT$(tblock$, 1) = "!" THEN blocktype(i) = SINGLETYPE - ISPOINTER: block(i) = LEFT$(block(i), LEN(block$(i)) - 1): GOTO evfltnum
'
''C++ 32bit unsigned to signed 64bit
'IF INSTR(block(i),".")=0 THEN
'
'negated=0
'if left$(block(i),1)="-" then block(i)=right$(block(i),len(block(i))-1):negated=1
'
'if left$(block(i),2)="0x" then 'hex
'if len(block(i))=10 then
'if block(i)>="0x80000000" and block(i)<="0xFFFFFFFF" then block(i)="(int64)"+block(i): goto evnum
'end if
'if len(block(i))>10 then block(i)=block(i)+"ll": goto evnum
'goto evnum
'end if
'
'if left$(block(i),1)="0" then 'octal
'if len(block(i))=12 then
'if block(i)>="020000000000" and block(i)<="037777777777" then block(i)="(int64)"+block(i): goto evnum
'if block(i)>"037777777777" then block(i)=block(i)+"ll": goto evnum
'end if
'if len(block(i))>12 then block(i)=block(i)+"ll": goto evnum
'goto evnum
'end if
'
''decimal
'if len(block(i))=10 then
'if block(i)>="2147483648" and block(i)<="4294967295" then block(i)="(int64)"+block(i): goto evnum
'if block(i)>"4294967295" then block(i)=block(i)+"ll": goto evnum
'end if
'if len(block(i))>10 then block(i)=block(i)+"ll"
'
'evnum:
'
'if negated=1 then block(i)="-"+block(i)
'
'END IF
'
'evfltnum:
'
'block(i) = " " + block(i)+" "
'evaledblock(i) = 1
'GOTO evaledblock
'END IF
'a typed string in ""
IF LEFT$(block(i), 1) = CHR$(34) THEN
IF RIGHT$(block(i), 1) <> CHR$(34) THEN
block(i) = "qbs_new_txt_len(" + block(i) + ")"
ELSE
block(i) = "qbs_new_txt(" + block(i) + ")"
END IF
blocktype(i) = ISSTRING
evaledblock(i) = 1
stringprocessinghappened = 1
GOTO evaledblock
END IF
'create variable
IF isvalidvariable(block(i)) THEN
x$ = block(i)
typ$ = removesymbol$(x$)
IF Error_Happened THEN EXIT FUNCTION
'add symbol extension if none given
IF LEN(typ$) = 0 THEN
IF LEFT$(x$, 1) = "_" THEN v = 27 ELSE v = ASC(UCASE$(x$)) - 64
typ$ = defineextaz(v)
END IF
'check that it hasn't just been created within this loop (a=b+b)
try = findid(x$ + typ$)
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF Debug THEN PRINT #9, try
IF id.t <> 0 AND (id.t AND ISUDT) = 0 THEN 'is x$ a simple variable?
GOTO simplevarfound
END IF
IF try = 2 THEN findanotherid = 1: try = findid(x$ + typ$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
IF Debug THEN PRINT #9, "CREATING VARIABLE:" + x$
IF optionexplicit THEN Give_Error "Variable '" + x$ + "' (" + symbol2fulltypename$(typ$) + ") not defined": EXIT FUNCTION
retval = dim2(x$, typ$, 1, "")
IF Error_Happened THEN EXIT FUNCTION
simplevarfound:
constequation = 0
makeidrefer block(i), blocktype(i)
IF (blocktype(i) AND ISSTRING) THEN stringprocessinghappened = 1
IF blockn = 1 THEN
IF (blocktype(i) AND ISREFERENCE) THEN GOTO returnpointer
END IF
'reference value
block(i) = refer(block(i), blocktype(i), 0): IF Error_Happened THEN EXIT FUNCTION
evaledblock(i) = 1
GOTO evaledblock
END IF
Give_Error "Invalid expression": EXIT FUNCTION
ELSE
IF (blocktype(i) AND ISREFERENCE) THEN
IF blockn = 1 THEN GOTO returnpointer
'if blocktype(i) and ISUDT then PRINT "UDT passed to refer by evaluate"
block(i) = refer(block(i), blocktype(i), 0)
IF Error_Happened THEN EXIT FUNCTION
END IF
END IF
END IF
evaledblock:
NEXT
'return a POINTER if possible
IF blockn = 1 THEN
IF evaledblock(1) THEN
IF (blocktype(1) AND ISREFERENCE) THEN
returnpointer:
IF (blocktype(1) AND ISSTRING) THEN stringprocessinghappened = 1
IF Debug THEN PRINT #9, "evaluated reference:" + block(1)
typ = blocktype(1)
evaluate$ = block(1)
EXIT FUNCTION
END IF
END IF
END IF
'it cannot be returned as a pointer
IF Debug THEN PRINT #9, "applying operators:";
IF typ = -1 THEN
typ = blocktype(1) 'init typ with first blocktype
IF isoperator(block(1)) THEN 'but what if it starts with a UNARY operator?
typ = blocktype(2) 'init typ with second blocktype
END IF
END IF
nonop = 0
FOR i = 1 TO blockn
IF evaledblock(i) = 0 THEN
isop = isoperator(block(i))
IF isop THEN
nonop = 0
constequation = 0
'operator found
o$ = block(i)
u = operatorusage(o$, typ, i$, lhstyp, rhstyp, result)
IF u <> 5 THEN 'not unary
nonop = 1
IF i = 1 OR evaledblock(i - 1) = 0 THEN
IF i = 1 AND blockn = 1 AND o$ = "-" THEN Give_Error "Expected variable/value after '" + UCASE$(o$) + "'": EXIT FUNCTION 'guess - is neg in this case
Give_Error "Expected variable/value before '" + UCASE$(o$) + "'": EXIT FUNCTION
END IF
END IF
IF i = blockn OR evaledblock(i + 1) = 0 THEN Give_Error "Expected variable/value after '" + UCASE$(o$) + "'": EXIT FUNCTION
'lhstyp & rhstyp bit-field values
'1=integeral
'2=floating point
'4=string
'8=bool *only used for result
oldtyp = typ
newtyp = blocktype(i + 1)
'IF block(i - 1) = "6" THEN
'PRINT o$
'PRINT oldtyp AND ISFLOAT
'PRINT blocktype(i - 1) AND ISFLOAT
'END
'END IF
'numeric->string is illegal!
IF (typ AND ISSTRING) = 0 AND (newtyp AND ISSTRING) <> 0 THEN
Give_Error "Cannot convert number to string": EXIT FUNCTION
END IF
'Offset protection: Override conversion rules for operator as necessary
offsetmode = 0
offsetcvi = 0
IF (oldtyp AND ISOFFSET) <> 0 OR (newtyp AND ISOFFSET) <> 0 THEN
offsetmode = 2
IF newtyp AND ISOFFSET THEN
IF (newtyp AND ISUNSIGNED) = 0 THEN offsetmode = 1
END IF
IF oldtyp AND ISOFFSET THEN
IF (oldtyp AND ISUNSIGNED) = 0 THEN offsetmode = 1
END IF
'depending on the operater we may do things differently
'the default method is convert both sides to integer first
'but these operators are different: * / ^
IF o$ = "*" OR o$ = "/" OR o$ = "^" THEN
IF o$ = "*" OR o$ = "^" THEN
'for mult, if either side is a float cast integers to 'long double's first
IF (newtyp AND ISFLOAT) <> 0 OR (oldtyp AND ISFLOAT) <> 0 THEN
offsetcvi = 1
IF (oldtyp AND ISFLOAT) = 0 THEN lhstyp = 2
IF (newtyp AND ISFLOAT) = 0 THEN rhstyp = 2
END IF
END IF
IF o$ = "/" OR o$ = "^" THEN
'for division or exponentials, to prevent integer division cast integers to 'long double's
offsetcvi = 1
IF (oldtyp AND ISFLOAT) = 0 THEN lhstyp = 2
IF (newtyp AND ISFLOAT) = 0 THEN rhstyp = 2
END IF
ELSE
IF lhstyp AND 2 THEN lhstyp = 1 'force lhs and rhs to be integer values
IF rhstyp AND 2 THEN rhstyp = 1
END IF
IF result = 2 THEN result = 1 'force integer result
'note: result=1 just sets typ&=64 if typ is a float
END IF
'STEP 1: convert oldtyp and/or newtyp if required for the operator
'convert lhs
IF (oldtyp AND ISSTRING) THEN
IF (lhstyp AND 4) = 0 THEN Give_Error "Cannot convert string to number": EXIT FUNCTION
ELSE
'oldtyp is numeric
IF lhstyp = 4 THEN Give_Error "Cannot convert number to string": EXIT FUNCTION
IF (oldtyp AND ISFLOAT) THEN
IF (lhstyp AND 2) = 0 THEN
'convert float to int
block(i - 1) = "qbr(" + block(i - 1) + ")"
oldtyp = 64&
END IF
ELSE
'oldtyp is an int
IF (lhstyp AND 1) = 0 THEN
'convert int to float
block(i - 1) = "((long double)(" + block(i - 1) + "))"
oldtyp = 256& + ISFLOAT
END IF
END IF
END IF
'convert rhs
IF (newtyp AND ISSTRING) THEN
IF (rhstyp AND 4) = 0 THEN Give_Error "Cannot convert string to number": EXIT FUNCTION
ELSE
'newtyp is numeric
IF rhstyp = 4 THEN Give_Error "Cannot convert number to string": EXIT FUNCTION
IF (newtyp AND ISFLOAT) THEN
IF (rhstyp AND 2) = 0 THEN
'convert float to int
block(i + 1) = "qbr(" + block(i + 1) + ")"
newtyp = 64&
END IF
ELSE
'newtyp is an int
IF (rhstyp AND 1) = 0 THEN
'convert int to float
block(i + 1) = "((long double)(" + block(i + 1) + "))"
newtyp = 256& + ISFLOAT
END IF
END IF
END IF
'Reduce floating point values to common base for comparison?
IF isop = 7 THEN 'comparitive operator
'Corrects problems encountered such as:
' S = 2.1
' IF S = 2.1 THEN PRINT "OK" ELSE PRINT "ERROR S PRINTS AS"; S; "BUT IS SEEN BY QB64 AS..."
' IF S < 2.1 THEN PRINT "LESS THAN 2.1"
'concerns:
'1. Return value from TIMER will be reduced to a SINGLE in direct comparisons
'solution: assess, and only apply to SINGLE variables/arrays
'2. Comparison of a double higher/lower than single range may fail
'solution: out of range values convert to +/-1.#INF, making comparison still possible
IF (oldtyp AND ISFLOAT) <> 0 AND (newtyp AND ISFLOAT) <> 0 THEN 'both floating point
s1 = oldtyp AND 511: s2 = newtyp AND 511
IF s2 < s1 THEN s1 = s2
IF s1 = 32 THEN
block(i - 1) = "((float)(" + block(i - 1) + "))": oldtyp = 32& + ISFLOAT
block(i + 1) = "((float)(" + block(i + 1) + "))": newtyp = 32& + ISFLOAT
END IF
IF s1 = 64 THEN
block(i - 1) = "((double)(" + block(i - 1) + "))": oldtyp = 64& + ISFLOAT
block(i + 1) = "((double)(" + block(i + 1) + "))": newtyp = 64& + ISFLOAT
END IF
END IF 'both floating point
END IF 'comparitive operator
typ = newtyp
'STEP 2: markup typ
' if either side is a float, markup typ to largest float
' if either side is integer, markup typ
'Note: A markup is a GUESS of what the return type will be,
' 'result' can override this markup
IF (oldtyp AND ISSTRING) = 0 AND (newtyp AND ISSTRING) = 0 THEN
IF (oldtyp AND ISFLOAT) <> 0 OR (newtyp AND ISFLOAT) <> 0 THEN
'float
b = 0: IF (oldtyp AND ISFLOAT) THEN b = oldtyp AND 511
IF (newtyp AND ISFLOAT) THEN
b2 = newtyp AND 511: IF b2 > b THEN b = b2
END IF
typ = ISFLOAT + b
ELSE
'integer
'***THIS IS THE IDEAL MARKUP FOR A 64-BIT SYSTEM***
'In reality 32-bit C++ only marks-up to 32-bit integers
b = oldtyp AND 511: b2 = newtyp AND 511: IF b2 > b THEN b = b2
typ = 64&
IF b = 64 THEN
IF (oldtyp AND ISUNSIGNED) <> 0 AND (newtyp AND ISUNSIGNED) <> 0 THEN typ = 64& + ISUNSIGNED
END IF
END IF
END IF
IF result = 1 THEN
IF (typ AND ISFLOAT) <> 0 OR (typ AND ISSTRING) <> 0 THEN typ = 64 'otherwise keep markuped integer type
END IF
IF result = 2 THEN
IF (typ AND ISFLOAT) = 0 THEN typ = ISFLOAT + 256
END IF
IF result = 4 THEN
typ = ISSTRING
END IF
IF result = 8 THEN 'bool
typ = 32
END IF
'Offset protection: Force result to be an offset type with correct signage
IF offsetmode THEN
IF result <> 8 THEN 'boolean comparison results are allowed
typ = OFFSETTYPE - ISPOINTER: IF offsetmode = 2 THEN typ = typ + ISUNSIGNED
END IF
END IF
'override typ=ISFLOAT+256 to typ=ISFLOAT+64 for ^ operator's result
IF u = 2 THEN
IF i$ = "pow2" THEN
IF offsetmode THEN Give_Error "Operator '^' cannot be used with an _OFFSET": EXIT FUNCTION
'QB-like conversion of math functions returning floating point values
'reassess oldtype & newtype
b = oldtyp AND 511
IF oldtyp AND ISFLOAT THEN
'no change to b
ELSE
IF b > 16 THEN b = 64 'larger than INTEGER? return DOUBLE
IF b > 32 THEN b = 256 'larger than LONG? return FLOAT
IF b <= 16 THEN b = 32
END IF
b2 = newtyp AND 511
IF newtyp AND ISFLOAT THEN
IF b2 > b THEN b = b2
ELSE
b3 = 32
IF b2 > 16 THEN b3 = 64 'larger than INTEGER? return DOUBLE
IF b2 > 32 THEN b3 = 256 'larger than LONG? return FLOAT
IF b3 > b THEN b = b3
END IF
typ = ISFLOAT + b
END IF 'pow2
END IF 'u=2
'STEP 3: apply operator appropriately
IF u = 5 THEN
block(i + 1) = i$ + "(" + block(i + 1) + ")"
block(i) = "": i = i + 1: GOTO operatorapplied
END IF
'binary operators
IF u = 1 THEN
block(i + 1) = block(i - 1) + i$ + block(i + 1)
block(i - 1) = "": block(i) = "": i = i + 1: GOTO operatorapplied
END IF
IF u = 2 THEN
block(i + 1) = i$ + "(" + block(i - 1) + "," + block(i + 1) + ")"
block(i - 1) = "": block(i) = "": i = i + 1: GOTO operatorapplied
END IF
IF u = 3 THEN
block(i + 1) = "-(" + block(i - 1) + i$ + block(i + 1) + ")"
block(i - 1) = "": block(i) = "": i = i + 1: GOTO operatorapplied
END IF
IF u = 4 THEN
block(i + 1) = "~" + block(i - 1) + i$ + block(i + 1)
block(i - 1) = "": block(i) = "": i = i + 1: GOTO operatorapplied
END IF
'...more?...
Give_Error "ERROR: Operator could not be applied correctly!": EXIT FUNCTION '<--should never happen!
operatorapplied:
IF offsetcvi THEN block(i) = "qbr(" + block(i) + ")": offsetcvi = 0
offsetmode = 0
ELSE
nonop = nonop + 1
END IF
ELSE
nonop = nonop + 1
END IF
IF nonop > 1 THEN Give_Error "Expected operator in equation": EXIT FUNCTION
NEXT
IF Debug THEN PRINT #9, ""
'join blocks
FOR i = 1 TO blockn
r$ = r$ + block(i)
NEXT
IF Debug THEN
PRINT #9, "evaluated:" + r$ + " AS TYPE:";
IF (typ AND ISSTRING) THEN PRINT #9, "[ISSTRING]";
IF (typ AND ISFLOAT) THEN PRINT #9, "[ISFLOAT]";
IF (typ AND ISUNSIGNED) THEN PRINT #9, "[ISUNSIGNED]";
IF (typ AND ISPOINTER) THEN PRINT #9, "[ISPOINTER]";
IF (typ AND ISFIXEDLENGTH) THEN PRINT #9, "[ISFIXEDLENGTH]";
IF (typ AND ISINCONVENTIONALMEMORY) THEN PRINT #9, "[ISINCONVENTIONALMEMORY]";
PRINT #9, "(size in bits=" + str2$(typ AND 511) + ")"
END IF
evaluate$ = r$
END FUNCTION
FUNCTION evaluatefunc$ (a2$, args AS LONG, typ AS LONG)
a$ = a2$
IF Debug THEN PRINT #9, "evaluatingfunction:" + RTRIM$(id.n) + ":" + a$
DIM id2 AS idstruct
id2 = id
n$ = RTRIM$(id2.n)
typ = id2.ret
targetid = currentid
IF RTRIM$(id2.callname) = "func_stub" THEN Give_Error "Command not implemented": EXIT FUNCTION
SetDependency id2.Dependency
passomit = 0
omitarg_first = 0: omitarg_last = 0
f$ = RTRIM$(id2.specialformat)
IF LEN(f$) THEN 'special format given
'count omittable args
sqb = 0
a = 0
FOR fi = 1 TO LEN(f$)
fa = ASC(f$, fi)
IF fa = ASC_QUESTIONMARK THEN
a = a + 1
IF sqb <> 0 AND omitarg_first = 0 THEN omitarg_first = a
END IF
IF fa = ASC_LEFTSQUAREBRACKET THEN sqb = 1
IF fa = ASC_RIGHTSQUAREBRACKET THEN sqb = 0: omitarg_last = a
NEXT
omitargs = omitarg_last - omitarg_first + 1
IF args <> id2.args - omitargs AND args <> id2.args THEN Give_Error "Incorrect number of arguments passed to function": EXIT FUNCTION
passomit = 1 'pass omit flags param to function
IF id2.args = args THEN omitarg_first = 0: omitarg_last = 0 'all arguments were passed!
ELSE 'no special format given
IF n$ = "ASC" AND args = 2 THEN GOTO skipargnumchk
IF id2.overloaded = -1 AND (args >= id2.minargs AND args <= id2.args) THEN GOTO skipargnumchk
IF id2.args <> args THEN Give_Error "Incorrect number of arguments passed to function": EXIT FUNCTION
END IF
skipargnumchk:
IF id2.NoCloud THEN
IF Cloud THEN Give_Error "Feature not supported on QLOUD" '***NOCLOUD***
END IF
r$ = RTRIM$(id2.callname) + "("
IF id2.args <> 0 THEN
curarg = 1
firsti = 1
n = numelements(a$)
IF n = 0 THEN i = 0: GOTO noargs
FOR i = 1 TO n
IF curarg >= omitarg_first AND curarg <= omitarg_last THEN
noargs:
targettyp = CVL(MID$(id2.arg, curarg * 4 - 4 + 1, 4))
'IF (targettyp AND ISSTRING) THEN Give_Error "QB64 doesn't support optional string arguments for functions yet!": EXIT FUNCTION
FOR fi = 1 TO omitargs - 1: r$ = r$ + "NULL,": NEXT: r$ = r$ + "NULL"
curarg = curarg + omitargs
IF i = n THEN EXIT FOR
r$ = r$ + ","
END IF
l$ = getelement(a$, i)
IF l$ = "(" THEN b = b + 1
IF l$ = ")" THEN b = b - 1
IF (l$ = "," AND b = 0) OR (i = n) THEN
targettyp = CVL(MID$(id2.arg, curarg * 4 - 4 + 1, 4))
nele = ASC(MID$(id2.nele, curarg, 1))
nelereq = ASC(MID$(id2.nelereq, curarg, 1))
IF i = n THEN
e$ = getelements$(a$, firsti, i)
ELSE
e$ = getelements$(a$, firsti, i - 1)
END IF
IF LEFT$(e$, 2) = "(" + sp THEN dereference = 1 ELSE dereference = 0
'*special case CVI,CVL,CVS,CVD,_CV (part #1)
IF n$ = "_CV" THEN
IF curarg = 1 THEN
cvtype$ = type2symbol$(e$)
IF Error_Happened THEN EXIT FUNCTION
e$ = ""
GOTO dontevaluate
END IF
END IF
'*special case MKI,MKL,MKS,MKD,_MK (part #1)
IF n$ = "_MK" THEN
IF RTRIM$(id2.musthave) = "$" THEN
IF curarg = 1 THEN
mktype$ = type2symbol$(e$)
IF Error_Happened THEN EXIT FUNCTION
IF Debug THEN PRINT #9, "_MK:[" + e$ + "]:[" + mktype$ + "]"
e$ = ""
GOTO dontevaluate
END IF
END IF
END IF
IF n$ = "UBOUND" OR n$ = "LBOUND" THEN
IF curarg = 1 THEN
'perform a "fake" evaluation of the array
e$ = e$ + sp + "(" + sp + ")"
e$ = evaluate(e$, sourcetyp)
IF Error_Happened THEN EXIT FUNCTION
IF (sourcetyp AND ISREFERENCE) = 0 THEN Give_Error "Expected array-name": EXIT FUNCTION
IF (sourcetyp AND ISARRAY) = 0 THEN Give_Error "Expected array-name": EXIT FUNCTION
'make a note of the array's index for later
ulboundarray$ = e$
ulboundarraytyp = sourcetyp
e$ = ""
r$ = ""
GOTO dontevaluate
END IF
END IF
'*special case: INPUT$ function
IF n$ = "INPUT" THEN
IF RTRIM$(id2.musthave) = "$" THEN
IF curarg = 2 THEN
IF LEFT$(e$, 2) = "#" + sp THEN e$ = RIGHT$(e$, LEN(e$) - 2)
END IF
END IF
END IF
'*special case*
IF n$ = "ASC" THEN
IF curarg = 2 THEN
e$ = evaluatetotyp$(e$, 32&)
IF Error_Happened THEN EXIT FUNCTION
typ& = LONGTYPE - ISPOINTER
r$ = r$ + e$ + ")"
GOTO evalfuncspecial
END IF
END IF
'PRINT #12, "n$="; n$
'PRINT #12, "curarg="; curarg
'PRINT #12, "e$="; e$
'PRINT #12, "r$="; r$
'*special case*
IF n$ = "_MEMGET" THEN
IF curarg = 1 THEN
memget_blk$ = e$
END IF
IF curarg = 2 THEN
memget_offs$ = e$
END IF
IF curarg = 3 THEN
e$ = UCASE$(e$)
IF INSTR(e$, sp + "*" + sp) THEN 'multiplier will have an appended %,& or && symbol
IF RIGHT$(e$, 2) = "&&" THEN
e$ = LEFT$(e$, LEN(e$) - 2)
ELSE
IF RIGHT$(e$, 1) = "&" OR RIGHT$(e$, 1) = "%" THEN e$ = LEFT$(e$, LEN(e$) - 1)
END IF
END IF
t = typname2typ(e$)
IF t = 0 THEN Give_Error "Invalid TYPE name": EXIT FUNCTION
IF t AND ISOFFSETINBITS THEN Give_Error "_BIT TYPE unsupported": EXIT FUNCTION
memget_size = typname2typsize
IF t AND ISSTRING THEN
IF (t AND ISFIXEDLENGTH) = 0 THEN Give_Error "Expected STRING * ...": EXIT FUNCTION
memget_ctyp$ = "qbs*"
ELSE
IF t AND ISUDT THEN
memget_size = udtxsize(t AND 511) \ 8
memget_ctyp$ = "void*"
ELSE
memget_size = (t AND 511) \ 8
memget_ctyp$ = typ2ctyp$(t, "")
END IF
END IF
'assume checking off
offs$ = evaluatetotyp(memget_offs$, OFFSETTYPE - ISPOINTER)
blkoffs$ = evaluatetotyp(memget_blk$, -6)
IF NoChecks = 0 THEN
'change offs$ to be the return of the safe version
offs$ = "func__memget((mem_block*)" + blkoffs$ + "," + offs$ + "," + str2(memget_size) + ")"
END IF
IF t AND ISSTRING THEN
r$ = "qbs_new_txt_len((char*)" + offs$ + "," + str2(memget_size) + ")"
ELSE
IF t AND ISUDT THEN
r$ = "((void*)+" + offs$ + ")"
t = ISUDT + ISPOINTER + (t AND 511)
ELSE
r$ = "*(" + memget_ctyp$ + "*)(" + offs$ + ")"
IF t AND ISPOINTER THEN t = t - ISPOINTER
END IF
END IF
typ& = t
GOTO evalfuncspecial
END IF
END IF
'------------------------------------------------------------------------------------------------------------
e2$ = e$
e$ = evaluate(e$, sourcetyp)
IF Error_Happened THEN EXIT FUNCTION
'------------------------------------------------------------------------------------------------------------
'***special case***
IF n$ = "_MEM" THEN
IF curarg = 1 THEN
IF args = 1 THEN
targettyp = -7
END IF
IF args = 2 THEN
r$ = RTRIM$(id2.callname) + "_at_offset" + RIGHT$(r$, LEN(r$) - LEN(RTRIM$(id2.callname)))
IF (sourcetyp AND ISOFFSET) = 0 THEN Give_Error "Expected _MEM(_OFFSET-value,...)": EXIT FUNCTION
END IF
END IF
END IF
'*special case*
IF n$ = "_OFFSET" THEN
IF (sourcetyp AND ISREFERENCE) = 0 THEN
Give_Error "_OFFSET expects the name of a variable/array": EXIT FUNCTION
END IF
IF (sourcetyp AND ISARRAY) THEN
IF (sourcetyp AND ISOFFSETINBITS) THEN Give_Error "_OFFSET cannot reference _BIT type arrays": EXIT FUNCTION
END IF
r$ = "((uptrszint)(" + evaluatetotyp$(e2$, -6) + "))"
IF Error_Happened THEN EXIT FUNCTION
typ& = UOFFSETTYPE - ISPOINTER
GOTO evalfuncspecial
END IF '_OFFSET
'*_OFFSET exceptions*
IF sourcetyp AND ISOFFSET THEN
IF n$ = "MKSMBF" AND RTRIM$(id2.musthave) = "$" THEN Give_Error "Cannot convert _OFFSET type to other types": EXIT FUNCTION
IF n$ = "MKDMBF" AND RTRIM$(id2.musthave) = "$" THEN Give_Error "Cannot convert _OFFSET type to other types": EXIT FUNCTION
END IF
'*special case*
IF n$ = "ENVIRON" THEN
IF sourcetyp AND ISSTRING THEN
IF sourcetyp AND ISREFERENCE THEN e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
GOTO dontevaluate
END IF
END IF
'*special case*
IF n$ = "LEN" THEN
typ& = LONGTYPE - ISPOINTER
IF (sourcetyp AND ISREFERENCE) = 0 THEN
'could be a string expression
IF sourcetyp AND ISSTRING THEN
r$ = "((int32)(" + e$ + ")->len)"
GOTO evalfuncspecial
END IF
Give_Error "String expression or variable name required in LEN statement": EXIT FUNCTION
END IF
r$ = evaluatetotyp$(e2$, -5) 'use evaluatetotyp to get 'element' size
IF Error_Happened THEN EXIT FUNCTION
GOTO evalfuncspecial
END IF
'*special case*
IF n$ = "OCT" THEN
IF RTRIM$(id2.musthave) = "$" THEN
bits = sourcetyp AND 511
IF (sourcetyp AND ISSTRING) THEN Give_Error "Expected numeric value": EXIT FUNCTION
wasref = 0
IF (sourcetyp AND ISREFERENCE) THEN e$ = refer(e$, sourcetyp, 0): wasref = 1
IF Error_Happened THEN EXIT FUNCTION
bits = sourcetyp AND 511
IF (sourcetyp AND ISOFFSETINBITS) THEN
e$ = "func_oct(" + e$ + "," + str2$(bits) + ")"
ELSE
IF (sourcetyp AND ISFLOAT) THEN
e$ = "func_oct_float(" + e$ + ")"
ELSE
IF bits = 64 THEN
IF wasref = 0 THEN bits = 0
END IF
e$ = "func_oct(" + e$ + "," + str2$(bits) + ")"
END IF
END IF
typ& = STRINGTYPE - ISPOINTER
r$ = e$
GOTO evalfuncspecial
END IF
END IF
'*special case*
IF n$ = "HEX" THEN
IF RTRIM$(id2.musthave) = "$" THEN
bits = sourcetyp AND 511
IF (sourcetyp AND ISSTRING) THEN Give_Error "Expected numeric value": EXIT FUNCTION
wasref = 0
IF (sourcetyp AND ISREFERENCE) THEN e$ = refer(e$, sourcetyp, 0): wasref = 1
IF Error_Happened THEN EXIT FUNCTION
bits = sourcetyp AND 511
IF (sourcetyp AND ISOFFSETINBITS) THEN
chars = (bits + 3) \ 4
e$ = "func_hex(" + e$ + "," + str2$(chars) + ")"
ELSE
IF (sourcetyp AND ISFLOAT) THEN
e$ = "func_hex_float(" + e$ + ")"
ELSE
IF bits = 8 THEN chars = 2
IF bits = 16 THEN chars = 4
IF bits = 32 THEN chars = 8
IF bits = 64 THEN
IF wasref = 1 THEN chars = 16 ELSE chars = 0
END IF
e$ = "func_hex(" + e$ + "," + str2$(chars) + ")"
END IF
END IF
typ& = STRINGTYPE - ISPOINTER
r$ = e$
GOTO evalfuncspecial
END IF
END IF
'*special case*
IF n$ = "EXP" THEN
bits = sourcetyp AND 511
IF (sourcetyp AND ISSTRING) THEN Give_Error "Expected numeric value": EXIT FUNCTION
IF (sourcetyp AND ISREFERENCE) THEN e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
bits = sourcetyp AND 511
typ& = SINGLETYPE - ISPOINTER
IF (sourcetyp AND ISFLOAT) THEN
IF bits = 32 THEN e$ = "func_exp_single(" + e$ + ")" ELSE e$ = "func_exp_float(" + e$ + ")": typ& = FLOATTYPE - ISPOINTER
ELSE
IF (sourcetyp AND ISOFFSETINBITS) THEN
e$ = "func_exp_float(" + e$ + ")": typ& = FLOATTYPE - ISPOINTER
ELSE
IF bits <= 16 THEN e$ = "func_exp_single(" + e$ + ")" ELSE e$ = "func_exp_float(" + e$ + ")": typ& = FLOATTYPE - ISPOINTER
END IF
END IF
r$ = e$
GOTO evalfuncspecial
END IF
'*special case*
IF n$ = "INT" THEN
IF (sourcetyp AND ISSTRING) THEN Give_Error "Expected numeric value": EXIT FUNCTION
IF (sourcetyp AND ISREFERENCE) THEN e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
'establish which function (if any!) should be used
IF (sourcetyp AND ISFLOAT) THEN e$ = "floor(" + e$ + ")" ELSE e$ = "(" + e$ + ")"
r$ = e$
typ& = sourcetyp
GOTO evalfuncspecial
END IF
'*special case*
IF n$ = "FIX" THEN
IF (sourcetyp AND ISSTRING) THEN Give_Error "Expected numeric value": EXIT FUNCTION
IF (sourcetyp AND ISREFERENCE) THEN e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
'establish which function (if any!) should be used
bits = sourcetyp AND 511
IF (sourcetyp AND ISFLOAT) THEN
IF bits > 64 THEN e$ = "func_fix_float(" + e$ + ")" ELSE e$ = "func_fix_double(" + e$ + ")"
ELSE
e$ = "(" + e$ + ")"
END IF
r$ = e$
typ& = sourcetyp
GOTO evalfuncspecial
END IF
'*special case*
IF n$ = "_ROUND" THEN
IF (sourcetyp AND ISSTRING) THEN Give_Error "Expected numeric value": EXIT FUNCTION
IF (sourcetyp AND ISREFERENCE) THEN e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
'establish which function (if any!) should be used
IF (sourcetyp AND ISFLOAT) THEN
bits = sourcetyp AND 511
IF bits > 64 THEN e$ = "func_round_float(" + e$ + ")" ELSE e$ = "func_round_double(" + e$ + ")"
ELSE
e$ = "(" + e$ + ")"
END IF
r$ = e$
typ& = 64&
IF (sourcetyp AND ISOFFSET) THEN
IF sourcetyp AND ISUNSIGNED THEN typ& = UOFFSETTYPE - ISPOINTER ELSE typ& = OFFSETTYPE - ISPOINTER
END IF
GOTO evalfuncspecial
END IF
'*special case*
IF n$ = "CDBL" THEN
IF (sourcetyp AND ISOFFSET) THEN Give_Error "Cannot convert _OFFSET type to other types": EXIT FUNCTION
IF (sourcetyp AND ISSTRING) THEN Give_Error "Expected numeric value": EXIT FUNCTION
IF (sourcetyp AND ISREFERENCE) THEN e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
'establish which function (if any!) should be used
bits = sourcetyp AND 511
IF (sourcetyp AND ISFLOAT) THEN
IF bits > 64 THEN e$ = "func_cdbl_float(" + e$ + ")"
ELSE
e$ = "((double)(" + e$ + "))"
END IF
r$ = e$
typ& = DOUBLETYPE - ISPOINTER
GOTO evalfuncspecial
END IF
'*special case*
IF n$ = "CSNG" THEN
IF (sourcetyp AND ISOFFSET) THEN Give_Error "Cannot convert _OFFSET type to other types": EXIT FUNCTION
IF (sourcetyp AND ISSTRING) THEN Give_Error "Expected numeric value": EXIT FUNCTION
IF (sourcetyp AND ISREFERENCE) THEN e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
'establish which function (if any!) should be used
bits = sourcetyp AND 511
IF (sourcetyp AND ISFLOAT) THEN
IF bits = 64 THEN e$ = "func_csng_double(" + e$ + ")"
IF bits > 64 THEN e$ = "func_csng_float(" + e$ + ")"
ELSE
e$ = "((double)(" + e$ + "))"
END IF
r$ = e$
typ& = SINGLETYPE - ISPOINTER
GOTO evalfuncspecial
END IF
'*special case*
IF n$ = "CLNG" THEN
IF (sourcetyp AND ISOFFSET) THEN Give_Error "Cannot convert _OFFSET type to other types": EXIT FUNCTION
IF (sourcetyp AND ISSTRING) THEN Give_Error "Expected numeric value": EXIT FUNCTION
IF (sourcetyp AND ISREFERENCE) THEN e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
'establish which function (if any!) should be used
bits = sourcetyp AND 511
IF (sourcetyp AND ISFLOAT) THEN
IF bits > 64 THEN e$ = "func_clng_float(" + e$ + ")" ELSE e$ = "func_clng_double(" + e$ + ")"
ELSE 'integer
IF (sourcetyp AND ISUNSIGNED) THEN
IF bits = 32 THEN e$ = "func_clng_ulong(" + e$ + ")"
IF bits > 32 THEN e$ = "func_clng_uint64(" + e$ + ")"
ELSE 'signed
IF bits > 32 THEN e$ = "func_clng_int64(" + e$ + ")"
END IF
END IF
r$ = e$
typ& = 32&
GOTO evalfuncspecial
END IF
'*special case*
IF n$ = "CINT" THEN
IF (sourcetyp AND ISOFFSET) THEN Give_Error "Cannot convert _OFFSET type to other types": EXIT FUNCTION
IF (sourcetyp AND ISSTRING) THEN Give_Error "Expected numeric value": EXIT FUNCTION
IF (sourcetyp AND ISREFERENCE) THEN e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
'establish which function (if any!) should be used
bits = sourcetyp AND 511
IF (sourcetyp AND ISFLOAT) THEN
IF bits > 64 THEN e$ = "func_cint_float(" + e$ + ")" ELSE e$ = "func_cint_double(" + e$ + ")"
ELSE 'integer
IF (sourcetyp AND ISUNSIGNED) THEN
IF bits > 15 AND bits <= 32 THEN e$ = "func_cint_ulong(" + e$ + ")"
IF bits > 32 THEN e$ = "func_cint_uint64(" + e$ + ")"
ELSE 'signed
IF bits > 16 AND bits <= 32 THEN e$ = "func_cint_long(" + e$ + ")"
IF bits > 32 THEN e$ = "func_cint_int64(" + e$ + ")"
END IF
END IF
r$ = e$
typ& = 16&
GOTO evalfuncspecial
END IF
'*special case MKI,MKL,MKS,MKD,_MK (part #2)
mktype = 0
size = 0
IF n$ = "MKI" THEN mktype = 1: mktype$ = "%"
IF n$ = "MKL" THEN mktype = 2: mktype$ = "&"
IF n$ = "MKS" THEN mktype = 3: mktype$ = "!"
IF n$ = "MKD" THEN mktype = 4: mktype$ = "#"
IF n$ = "_MK" THEN mktype = -1
IF mktype THEN
IF mktype <> -1 OR curarg = 2 THEN
IF (sourcetyp AND ISOFFSET) THEN Give_Error "Cannot convert _OFFSET type to other types": EXIT FUNCTION
'both _MK and trad. process the following
qtyp& = 0
IF mktype$ = "%%" THEN ctype$ = "b": qtyp& = BYTETYPE - ISPOINTER
IF mktype$ = "~%%" THEN ctype$ = "ub": qtyp& = UBYTETYPE - ISPOINTER
IF mktype$ = "%" THEN ctype$ = "i": qtyp& = INTEGERTYPE - ISPOINTER
IF mktype$ = "~%" THEN ctype$ = "ui": qtyp& = UINTEGERTYPE - ISPOINTER
IF mktype$ = "&" THEN ctype$ = "l": qtyp& = LONGTYPE - ISPOINTER
IF mktype$ = "~&" THEN ctype$ = "ul": qtyp& = ULONGTYPE - ISPOINTER
IF mktype$ = "&&" THEN ctype$ = "i64": qtyp& = INTEGER64TYPE - ISPOINTER
IF mktype$ = "~&&" THEN ctype$ = "ui64": qtyp& = UINTEGER64TYPE - ISPOINTER
IF mktype$ = "!" THEN ctype$ = "s": qtyp& = SINGLETYPE - ISPOINTER
IF mktype$ = "#" THEN ctype$ = "d": qtyp& = DOUBLETYPE - ISPOINTER
IF mktype$ = "##" THEN ctype$ = "f": qtyp& = FLOATTYPE - ISPOINTER
IF LEFT$(mktype$, 2) = "~`" THEN ctype$ = "ubit": qtyp& = UINTEGER64TYPE - ISPOINTER: size = VAL(RIGHT$(mktype$, LEN(mktype$) - 2))
IF LEFT$(mktype$, 1) = "`" THEN ctype$ = "bit": qtyp& = INTEGER64TYPE - ISPOINTER: size = VAL(RIGHT$(mktype$, LEN(mktype$) - 1))
IF qtyp& = 0 THEN Give_Error "_MK only accepts numeric types": EXIT FUNCTION
IF size THEN
r$ = ctype$ + "2string(" + str2(size) + ","
ELSE
r$ = ctype$ + "2string("
END IF
nocomma = 1
targettyp = qtyp&
END IF
END IF
'*special case CVI,CVL,CVS,CVD,_CV (part #2)
cvtype = 0
IF n$ = "CVI" THEN cvtype = 1: cvtype$ = "%"
IF n$ = "CVL" THEN cvtype = 2: cvtype$ = "&"
IF n$ = "CVS" THEN cvtype = 3: cvtype$ = "!"
IF n$ = "CVD" THEN cvtype = 4: cvtype$ = "#"
IF n$ = "_CV" THEN cvtype = -1
IF cvtype THEN
IF cvtype <> -1 OR curarg = 2 THEN
IF (sourcetyp AND ISSTRING) = 0 THEN Give_Error n$ + " requires a STRING argument": EXIT FUNCTION
IF (sourcetyp AND ISREFERENCE) THEN e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
typ& = 0
IF cvtype$ = "%%" THEN ctype$ = "b": typ& = BYTETYPE - ISPOINTER
IF cvtype$ = "~%%" THEN ctype$ = "ub": typ& = UBYTETYPE - ISPOINTER
IF cvtype$ = "%" THEN ctype$ = "i": typ& = INTEGERTYPE - ISPOINTER
IF cvtype$ = "~%" THEN ctype$ = "ui": typ& = UINTEGERTYPE - ISPOINTER
IF cvtype$ = "&" THEN ctype$ = "l": typ& = LONGTYPE - ISPOINTER
IF cvtype$ = "~&" THEN ctype$ = "ul": typ& = ULONGTYPE - ISPOINTER
IF cvtype$ = "&&" THEN ctype$ = "i64": typ& = INTEGER64TYPE - ISPOINTER
IF cvtype$ = "~&&" THEN ctype$ = "ui64": typ& = UINTEGER64TYPE - ISPOINTER
IF cvtype$ = "!" THEN ctype$ = "s": typ& = SINGLETYPE - ISPOINTER
IF cvtype$ = "#" THEN ctype$ = "d": typ& = DOUBLETYPE - ISPOINTER
IF cvtype$ = "##" THEN ctype$ = "f": typ& = FLOATTYPE - ISPOINTER
IF LEFT$(cvtype$, 2) = "~`" THEN ctype$ = "ubit": typ& = UINTEGER64TYPE - ISPOINTER: size = VAL(RIGHT$(cvtype$, LEN(cvtype$) - 2))
IF LEFT$(cvtype$, 1) = "`" THEN ctype$ = "bit": typ& = INTEGER64TYPE - ISPOINTER: size = VAL(RIGHT$(cvtype$, LEN(cvtype$) - 1))
IF typ& = 0 THEN Give_Error "_CV cannot return STRING type!": EXIT FUNCTION
IF ctype$ = "bit" OR ctype$ = "ubit" THEN
r$ = "string2" + ctype$ + "(" + e$ + "," + str2(size) + ")"
ELSE
r$ = "string2" + ctype$ + "(" + e$ + ")"
END IF
GOTO evalfuncspecial
END IF
END IF
'*special case
IF RTRIM$(id2.n) = "STRING" THEN
IF curarg = 2 THEN
IF (sourcetyp AND ISSTRING) THEN
IF (sourcetyp AND ISREFERENCE) THEN e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
sourcetyp = 64&
e$ = "(" + e$ + "->chr[0])"
END IF
END IF
END IF
'*special case
IF RTRIM$(id2.n) = "SADD" THEN
IF (sourcetyp AND ISREFERENCE) = 0 THEN
Give_Error "SADD only accepts variable-length string variables": EXIT FUNCTION
END IF
IF (sourcetyp AND ISFIXEDLENGTH) THEN
Give_Error "SADD only accepts variable-length string variables": EXIT FUNCTION
END IF
IF (sourcetyp AND ISINCONVENTIONALMEMORY) = 0 THEN
recompile = 1
cmemlist(VAL(e$)) = 1
r$ = "[CONVENTIONAL_MEMORY_REQUIRED]"
typ& = 64&
GOTO evalfuncspecial
END IF
r$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
r$ = "((unsigned short)(" + r$ + "->chr-&cmem[1280]))"
typ& = 64&
GOTO evalfuncspecial
END IF
'*special case
IF RTRIM$(id2.n) = "VARPTR" THEN
IF (sourcetyp AND ISREFERENCE) = 0 THEN
Give_Error "Expected reference to a variable/array": EXIT FUNCTION
END IF
IF RTRIM$(id2.musthave) = "$" THEN
IF (sourcetyp AND ISINCONVENTIONALMEMORY) = 0 THEN
recompile = 1
cmemlist(VAL(e$)) = 1
r$ = "[CONVENTIONAL_MEMORY_REQUIRED]"
typ& = ISSTRING
GOTO evalfuncspecial
END IF
IF (sourcetyp AND ISARRAY) THEN
IF (sourcetyp AND ISSTRING) = 0 THEN Give_Error "VARPTR$ only accepts variable-length string arrays": EXIT FUNCTION
IF (sourcetyp AND ISFIXEDLENGTH) THEN Give_Error "VARPTR$ only accepts variable-length string arrays": EXIT FUNCTION
END IF
'must be a simple variable
'!assuming it is in cmem in DBLOCK
r$ = refer(e$, sourcetyp, 1)
IF Error_Happened THEN EXIT FUNCTION
IF (sourcetyp AND ISSTRING) THEN
IF (sourcetyp AND ISARRAY) THEN r$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
r$ = r$ + "->cmem_descriptor_offset"
t = 3
ELSE
r$ = "((unsigned short)(((uint8*)" + r$ + ")-&cmem[1280]))"
'*top bit on=unsigned
'*second top bit on=bit-value (lower bits indicate the size)
'BYTE=1
'INTEGER=2
'STRING=3
'SINGLE=4
'INT64=5
'FLOAT=6
'DOUBLE=8
'LONG=20
'BIT=64+n
t = 0
IF (sourcetyp AND ISUNSIGNED) THEN t = t + 128
IF (sourcetyp AND ISOFFSETINBITS) THEN
t = t + 64
t = t + (sourcetyp AND 63)
ELSE
bits = sourcetyp AND 511
IF (sourcetyp AND ISFLOAT) THEN
IF bits = 32 THEN t = t + 4
IF bits = 64 THEN t = t + 8
IF bits = 256 THEN t = t + 6
ELSE
IF bits = 8 THEN t = t + 1
IF bits = 16 THEN t = t + 2
IF bits = 32 THEN t = t + 20
IF bits = 64 THEN t = t + 5
END IF
END IF
END IF
r$ = "func_varptr_helper(" + str2(t) + "," + r$ + ")"
typ& = ISSTRING
GOTO evalfuncspecial
END IF 'end of varptr$
'VARPTR
IF (sourcetyp AND ISINCONVENTIONALMEMORY) = 0 THEN
recompile = 1
cmemlist(VAL(e$)) = 1
r$ = "[CONVENTIONAL_MEMORY_REQUIRED]"
typ& = 64&
GOTO evalfuncspecial
END IF
IF (sourcetyp AND ISARRAY) THEN
IF (sourcetyp AND ISOFFSETINBITS) THEN Give_Error "VARPTR cannot reference _BIT type arrays": EXIT FUNCTION
'string array?
IF (sourcetyp AND ISSTRING) THEN
IF (sourcetyp AND ISFIXEDLENGTH) THEN
getid VAL(e$)
IF Error_Happened THEN EXIT FUNCTION
m = id.tsize
index$ = RIGHT$(e$, LEN(e$) - INSTR(e$, sp3))
typ = 64&
r$ = "((" + index$ + ")*" + str2(m) + ")"
GOTO evalfuncspecial
ELSE
'return the offset of the string's descriptor
r$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
r$ = r$ + "->cmem_descriptor_offset"
typ = 64&
GOTO evalfuncspecial
END IF
END IF
IF sourcetyp AND ISUDT THEN
e$ = RIGHT$(e$, LEN(e$) - INSTR(e$, sp3)) 'skip idnumber
e$ = RIGHT$(e$, LEN(e$) - INSTR(e$, sp3)) 'skip u
o$ = RIGHT$(e$, LEN(e$) - INSTR(e$, sp3)) 'skip e
typ = 64&
r$ = "(" + o$ + ")"
GOTO evalfuncspecial
END IF
'non-UDT array
m = (sourcetyp AND 511) \ 8 'calculate size multiplier
index$ = RIGHT$(e$, LEN(e$) - INSTR(e$, sp3))
typ = 64&
r$ = "((" + index$ + ")*" + str2(m) + ")"
GOTO evalfuncspecial
END IF
'not an array
IF sourcetyp AND ISUDT THEN
r$ = refer(e$, sourcetyp, 1)
IF Error_Happened THEN EXIT FUNCTION
e$ = RIGHT$(e$, LEN(e$) - INSTR(e$, sp3)) 'skip idnumber
e$ = RIGHT$(e$, LEN(e$) - INSTR(e$, sp3)) 'skip u
o$ = RIGHT$(e$, LEN(e$) - INSTR(e$, sp3)) 'skip e
typ = 64&
'if sub/func arg, may not be in DBLOCK
getid VAL(e$)
IF Error_Happened THEN EXIT FUNCTION
IF id.sfarg THEN 'could be in DBLOCK
'note: segment could be the closest segment to UDT element or the base of DBLOCK
r$ = "varptr_dblock_check(((uint8*)" + r$ + ")+(" + o$ + "))"
ELSE 'definitely in DBLOCK
'give offset relative to DBLOCK
r$ = "((unsigned short)(((uint8*)" + r$ + ") - &cmem[1280] + (" + o$ + ") ))"
END IF
GOTO evalfuncspecial
END IF
typ = 64&
r$ = refer(e$, sourcetyp, 1)
IF Error_Happened THEN EXIT FUNCTION
IF (sourcetyp AND ISSTRING) THEN
IF (sourcetyp AND ISFIXEDLENGTH) THEN
'if sub/func arg, may not be in DBLOCK
getid VAL(e$)
IF Error_Happened THEN EXIT FUNCTION
IF id.sfarg THEN 'could be in DBLOCK
r$ = "varptr_dblock_check(" + r$ + "->chr)"
ELSE 'definitely in DBLOCK
r$ = "((unsigned short)(" + r$ + "->chr-&cmem[1280]))"
END IF
ELSE
r$ = r$ + "->cmem_descriptor_offset"
END IF
GOTO evalfuncspecial
END IF
'single, simple variable
'if sub/func arg, may not be in DBLOCK
getid VAL(e$)
IF Error_Happened THEN EXIT FUNCTION
IF id.sfarg THEN 'could be in DBLOCK
r$ = "varptr_dblock_check((uint8*)" + r$ + ")"
ELSE 'definitely in DBLOCK
r$ = "((unsigned short)(((uint8*)" + r$ + ")-&cmem[1280]))"
END IF
GOTO evalfuncspecial
END IF
'*special case*
IF RTRIM$(id2.n) = "VARSEG" THEN
IF (sourcetyp AND ISREFERENCE) = 0 THEN
Give_Error "Expected reference to a variable/array": EXIT FUNCTION
END IF
IF (sourcetyp AND ISINCONVENTIONALMEMORY) = 0 THEN
recompile = 1
cmemlist(VAL(e$)) = 1
r$ = "[CONVENTIONAL_MEMORY_REQUIRED]"
typ& = 64&
GOTO evalfuncspecial
END IF
'array?
IF (sourcetyp AND ISARRAY) THEN
IF (sourcetyp AND ISFIXEDLENGTH) = 0 THEN
IF (sourcetyp AND ISSTRING) THEN
r$ = "80"
typ = 64&
GOTO evalfuncspecial
END IF
END IF
typ = 64&
r$ = "( ( ((ptrszint)(" + refer(e$, sourcetyp, 1) + "[0])) - ((ptrszint)(&cmem[0])) ) /16)"
IF Error_Happened THEN EXIT FUNCTION
GOTO evalfuncspecial
END IF
'single variable/(var-len)string/udt? (usually stored in DBLOCK)
typ = 64&
'if sub/func arg, may not be in DBLOCK
getid VAL(e$)
IF Error_Happened THEN EXIT FUNCTION
IF id.sfarg <> 0 AND (sourcetyp AND ISSTRING) = 0 THEN
IF sourcetyp AND ISUDT THEN
r$ = refer(e$, sourcetyp, 1)
IF Error_Happened THEN EXIT FUNCTION
e$ = RIGHT$(e$, LEN(e$) - INSTR(e$, sp3)) 'skip idnumber
e$ = RIGHT$(e$, LEN(e$) - INSTR(e$, sp3)) 'skip u
o$ = RIGHT$(e$, LEN(e$) - INSTR(e$, sp3)) 'skip e
r$ = "varseg_dblock_check(((uint8*)" + r$ + ")+(" + o$ + "))"
ELSE
r$ = "varseg_dblock_check((uint8*)" + refer(e$, sourcetyp, 1) + ")"
IF Error_Happened THEN EXIT FUNCTION
END IF
ELSE
'can be assumed to be in DBLOCK
r$ = "80"
END IF
GOTO evalfuncspecial
END IF 'varseg
'note: this code has already been called...
'------------------------------------------------------------------------------------------------------------
'e2$ = e$
'e$ = evaluate(e$, sourcetyp)
'------------------------------------------------------------------------------------------------------------
'note: this comment makes no sense...
'any numeric variable, but it must be type-speficied
IF targettyp = -2 THEN
e$ = evaluatetotyp(e2$, -2)
IF Error_Happened THEN EXIT FUNCTION
GOTO dontevaluate
END IF '-2
IF targettyp = -7 THEN
e$ = evaluatetotyp(e2$, -7)
IF Error_Happened THEN EXIT FUNCTION
GOTO dontevaluate
END IF '-7
IF targettyp = -8 THEN
e$ = evaluatetotyp(e2$, -8)
IF Error_Happened THEN EXIT FUNCTION
GOTO dontevaluate
END IF '-8
IF sourcetyp AND ISOFFSET THEN
IF (targettyp AND ISOFFSET) = 0 THEN
IF id2.internal_subfunc = 0 THEN Give_Error "Cannot convert _OFFSET type to other types": EXIT FUNCTION
END IF
END IF
'note: this is used for functions like STR(...) which accept all types...
explicitreference = 0
IF targettyp = -1 THEN
explicitreference = 1
IF (sourcetyp AND ISSTRING) THEN Give_Error "Number required for function": EXIT FUNCTION
targettyp = sourcetyp
IF (targettyp AND ISPOINTER) THEN targettyp = targettyp - ISPOINTER
END IF
'pointer?
IF (targettyp AND ISPOINTER) THEN
IF dereference = 0 THEN 'check deferencing wasn't used
'note: array pointer
IF (targettyp AND ISARRAY) THEN
IF (sourcetyp AND ISREFERENCE) = 0 THEN Give_Error "Expected arrayname()": EXIT FUNCTION
IF (sourcetyp AND ISARRAY) = 0 THEN Give_Error "Expected arrayname()": EXIT FUNCTION
IF Debug THEN PRINT #9, "evaluatefunc:array reference:[" + e$ + "]"
'check arrays are of same type
targettyp2 = targettyp: sourcetyp2 = sourcetyp
targettyp2 = targettyp2 AND (511 + ISOFFSETINBITS + ISUDT + ISSTRING + ISFIXEDLENGTH + ISFLOAT)
sourcetyp2 = sourcetyp2 AND (511 + ISOFFSETINBITS + ISUDT + ISSTRING + ISFIXEDLENGTH + ISFLOAT)
IF sourcetyp2 <> targettyp2 THEN Give_Error "Incorrect array type passed to function": EXIT FUNCTION
'check arrayname was followed by '()'
IF targettyp AND ISUDT THEN
IF Debug THEN PRINT #9, "evaluatefunc:array reference:udt reference:[" + e$ + "]"
'get UDT info
udtrefid = VAL(e$)
getid udtrefid
IF Error_Happened THEN EXIT FUNCTION
udtrefi = INSTR(e$, sp3) 'end of id
udtrefi2 = INSTR(udtrefi + 1, e$, sp3) 'end of u
udtrefu = VAL(MID$(e$, udtrefi + 1, udtrefi2 - udtrefi - 1))
udtrefi3 = INSTR(udtrefi2 + 1, e$, sp3) 'skip e
udtrefe = VAL(MID$(e$, udtrefi2 + 1, udtrefi3 - udtrefi2 - 1))
o$ = RIGHT$(e$, LEN(e$) - udtrefi3)
'note: most of the UDT info above is not required
IF LEFT$(o$, 4) <> "(0)*" THEN Give_Error "Expected arrayname()": EXIT FUNCTION
ELSE
IF RIGHT$(e$, 2) <> sp3 + "0" THEN Give_Error "Expected arrayname()": EXIT FUNCTION
END IF
idnum = VAL(LEFT$(e$, INSTR(e$, sp3) - 1))
getid idnum
IF Error_Happened THEN EXIT FUNCTION
IF targettyp AND ISFIXEDLENGTH THEN
targettypsize = CVL(MID$(id2.argsize, curarg * 4 - 4 + 1, 4))
IF id.tsize <> targettypsize THEN Give_Error "Incorrect array type passed to function": EXIT FUNCTION
END IF
IF MID$(sfcmemargs(targetid), curarg, 1) = CHR$(1) THEN 'cmem required?
IF cmemlist(idnum) = 0 THEN
cmemlist(idnum) = 1
recompile = 1
END IF
END IF
IF id.linkid = 0 THEN
'if id.linkid is 0, it means the number of array elements is definietly
'known of the array being passed, this is not some "fake"/unknown array.
'using the numer of array elements of a fake array would be dangerous!
IF nelereq = 0 THEN
'only continue if the number of array elements required is unknown
'and it needs to be set
IF id.arrayelements <> -1 THEN
nelereq = id.arrayelements
MID$(id2.nelereq, curarg, 1) = CHR$(nelereq)
END IF
ids(targetid) = id2
ELSE
'the number of array elements required is known AND
'the number of elements in the array to be passed is known
'REMOVE FOR TESTING PURPOSES ONLY!!! SHOULD BE UNREM'd!
'print id.arrayelements,nelereq
' 1 , 2
IF id.arrayelements <> nelereq THEN Give_Error "Passing arrays with a differing number of elements to a SUB/FUNCTION is not supported (yet)": EXIT FUNCTION
END IF
END IF
e$ = refer(e$, sourcetyp, 1)
IF Error_Happened THEN EXIT FUNCTION
GOTO dontevaluate
END IF
'note: not an array...
'target is not an array
IF (targettyp AND ISSTRING) = 0 THEN
IF (sourcetyp AND ISREFERENCE) THEN
idnum = VAL(LEFT$(e$, INSTR(e$, sp3) - 1)) 'id# of sourcetyp
targettyp2 = targettyp: sourcetyp2 = sourcetyp
'get info about source/target
arr = 0: IF (sourcetyp2 AND ISARRAY) THEN arr = 1
passudtelement = 0: IF (targettyp2 AND ISUDT) = 0 AND (sourcetyp2 AND ISUDT) <> 0 THEN passudtelement = 1: sourcetyp2 = sourcetyp2 - ISUDT
'remove flags irrelevant for comparison... ISPOINTER,ISREFERENCE,ISINCONVENTIONALMEMORY,ISARRAY
targettyp2 = targettyp2 AND (511 + ISOFFSETINBITS + ISUDT + ISFLOAT + ISSTRING)
sourcetyp2 = sourcetyp2 AND (511 + ISOFFSETINBITS + ISUDT + ISFLOAT + ISSTRING)
'compare types
IF sourcetyp2 = targettyp2 THEN
IF sourcetyp AND ISUDT THEN
'udt/udt array
'get info
udtrefid = VAL(e$)
getid udtrefid
IF Error_Happened THEN EXIT FUNCTION
udtrefi = INSTR(e$, sp3) 'end of id
udtrefi2 = INSTR(udtrefi + 1, e$, sp3) 'end of u
udtrefu = VAL(MID$(e$, udtrefi + 1, udtrefi2 - udtrefi - 1))
udtrefi3 = INSTR(udtrefi2 + 1, e$, sp3) 'skip e
udtrefe = VAL(MID$(e$, udtrefi2 + 1, udtrefi3 - udtrefi2 - 1))
o$ = RIGHT$(e$, LEN(e$) - udtrefi3)
'note: most of the UDT info above is not required
IF arr THEN
n2$ = scope$ + "ARRAY_UDT_" + RTRIM$(id.n) + "[0]"
ELSE
n2$ = scope$ + "UDT_" + RTRIM$(id.n)
END IF
e$ = "(void*)( ((char*)(" + n2$ + ")) + (" + o$ + ") )"
'convert void* to target type*
IF passudtelement THEN e$ = "(" + typ2ctyp$(targettyp2 + (targettyp AND ISUNSIGNED), "") + "*)" + e$
IF Error_Happened THEN EXIT FUNCTION
ELSE
'not a udt
IF arr THEN
IF (sourcetyp2 AND ISOFFSETINBITS) THEN Give_Error "Cannot pass BIT array offsets yet": EXIT FUNCTION
e$ = "(&(" + refer(e$, sourcetyp, 0) + "))"
IF Error_Happened THEN EXIT FUNCTION
ELSE
e$ = refer(e$, sourcetyp, 1)
IF Error_Happened THEN EXIT FUNCTION
END IF
'note: signed/unsigned mismatch requires casting
IF (sourcetyp AND ISUNSIGNED) <> (targettyp AND ISUNSIGNED) THEN
e$ = "(" + typ2ctyp$(targettyp2 + (targettyp AND ISUNSIGNED), "") + "*)" + e$
IF Error_Happened THEN EXIT FUNCTION
END IF
END IF 'udt?
'force recompile if target needs to be in cmem and the source is not
IF MID$(sfcmemargs(targetid), curarg, 1) = CHR$(1) THEN 'cmem required?
IF cmemlist(idnum) = 0 THEN
cmemlist(idnum) = 1
recompile = 1
END IF
END IF
GOTO dontevaluate
END IF 'similar
'IF sourcetyp2 = targettyp2 THEN
'IF arr THEN
'IF (sourcetyp2 AND ISOFFSETINBITS) THEN Give_Error "Cannot pass BIT array offsets yet": EXIT FUNCTION
'e$ = "(&(" + refer(e$, sourcetyp, 0) + "))"
'ELSE
'e$ = refer(e$, sourcetyp, 1)
'END IF
'GOTO dontevaluate
'END IF
END IF 'source is a reference
ELSE 'string
'its a string
IF (sourcetyp AND ISREFERENCE) THEN
idnum = VAL(LEFT$(e$, INSTR(e$, sp3) - 1)) 'id# of sourcetyp
IF MID$(sfcmemargs(targetid), curarg, 1) = CHR$(1) THEN 'cmem required?
IF cmemlist(idnum) = 0 THEN
cmemlist(idnum) = 1
recompile = 1
END IF
END IF
END IF 'reference
END IF 'string
END IF 'dereference was not used
END IF 'pointer
'note: Target is not a pointer...
'IF (targettyp AND ISSTRING) = 0 THEN
'IF (sourcetyp AND ISREFERENCE) THEN
'targettyp2 = targettyp: sourcetyp2 = sourcetyp - ISREFERENCE
'IF (sourcetyp2 AND ISINCONVENTIONALMEMORY) THEN sourcetyp2 = sourcetyp2 - ISINCONVENTIONALMEMORY
'IF sourcetyp2 = targettyp2 THEN e$ = refer(e$, sourcetyp, 1): GOTO dontevaluate
'END IF
'END IF
'END IF
'String-numeric mismatch?
IF targettyp AND ISSTRING THEN
IF (sourcetyp AND ISSTRING) = 0 THEN
nth = curarg
IF omitarg_last <> 0 AND nth > omitarg_last THEN nth = nth - 1
IF ids(targetid).args = 1 THEN Give_Error "String required for function": EXIT FUNCTION
Give_Error str_nth$(nth) + " function argument requires a string": EXIT FUNCTION
END IF
END IF
IF (targettyp AND ISSTRING) = 0 THEN
IF sourcetyp AND ISSTRING THEN
nth = curarg
IF omitarg_last <> 0 AND nth > omitarg_last THEN nth = nth - 1
IF ids(targetid).args = 1 THEN Give_Error "Number required for function": EXIT FUNCTION
Give_Error str_nth$(nth) + " function argument requires a number": EXIT FUNCTION
END IF
END IF
'change to "non-pointer" value
IF (sourcetyp AND ISREFERENCE) THEN
e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
END IF
IF explicitreference = 0 THEN
IF targettyp AND ISUDT THEN
nth = curarg
IF omitarg_last <> 0 AND nth > omitarg_last THEN nth = nth - 1
x$ = "'" + RTRIM$(udtxcname(targettyp AND 511)) + "'"
IF ids(targetid).args = 1 THEN Give_Error "TYPE " + x$ + " required for function": EXIT FUNCTION
Give_Error str_nth$(nth) + " function argument requires TYPE " + x$: EXIT FUNCTION
END IF
ELSE
IF sourcetyp AND ISUDT THEN Give_Error "Number required for function": EXIT FUNCTION
END IF
'round to integer if required
IF (sourcetyp AND ISFLOAT) THEN
IF (targettyp AND ISFLOAT) = 0 THEN
'**32 rounding fix
bits = targettyp AND 511
IF bits <= 16 THEN e$ = "qbr_float_to_long(" + e$ + ")"
IF bits > 16 AND bits < 32 THEN e$ = "qbr_double_to_long(" + e$ + ")"
IF bits >= 32 THEN e$ = "qbr(" + e$ + ")"
END IF
END IF
IF explicitreference THEN
IF (targettyp AND ISOFFSETINBITS) THEN
'integer value can fit inside int64
e$ = "(int64)(" + e$ + ")"
ELSE
IF (targettyp AND ISFLOAT) THEN
IF (targettyp AND 511) = 32 THEN e$ = "(float)(" + e$ + ")"
IF (targettyp AND 511) = 64 THEN e$ = "(double)(" + e$ + ")"
IF (targettyp AND 511) = 256 THEN e$ = "(long double)(" + e$ + ")"
ELSE
IF (targettyp AND ISUNSIGNED) THEN
IF (targettyp AND 511) = 8 THEN e$ = "(uint8)(" + e$ + ")"
IF (targettyp AND 511) = 16 THEN e$ = "(uint16)(" + e$ + ")"
IF (targettyp AND 511) = 32 THEN e$ = "(uint32)(" + e$ + ")"
IF (targettyp AND 511) = 64 THEN e$ = "(uint64)(" + e$ + ")"
ELSE
IF (targettyp AND 511) = 8 THEN e$ = "(int8)(" + e$ + ")"
IF (targettyp AND 511) = 16 THEN e$ = "(int16)(" + e$ + ")"
IF (targettyp AND 511) = 32 THEN e$ = "(int32)(" + e$ + ")"
IF (targettyp AND 511) = 64 THEN e$ = "(int64)(" + e$ + ")"
END IF
END IF 'float?
END IF 'offset in bits?
END IF 'explicit?
IF (targettyp AND ISPOINTER) THEN 'pointer required
IF (targettyp AND ISSTRING) THEN GOTO dontevaluate 'no changes required
'20090703
t$ = typ2ctyp$(targettyp, "")
IF Error_Happened THEN EXIT FUNCTION
v$ = "pass" + str2$(uniquenumber)
'assume numeric type
IF MID$(sfcmemargs(targetid), curarg, 1) = CHR$(1) THEN 'cmem required?
bytesreq = ((targettyp AND 511) + 7) \ 8
PRINT #defdatahandle, t$ + " *" + v$ + "=NULL;"
PRINT #13, "if(" + v$ + "==NULL){"
PRINT #13, "cmem_sp-=" + str2(bytesreq) + ";"
PRINT #13, v$ + "=(" + t$ + "*)(dblock+cmem_sp);"
PRINT #13, "if (cmem_spchr"
END IF
IF LTRIM$(RTRIM$(e$)) = "0" THEN e$ = "NULL"
END IF
r$ = r$ + e$
'***special case****
IF n$ = "_MEM" THEN
IF args = 1 THEN
IF curarg = 1 THEN r$ = r$ + ")": GOTO evalfuncspecial
END IF
IF args = 2 THEN
IF curarg = 2 THEN r$ = r$ + ")": GOTO evalfuncspecial
END IF
END IF
IF i <> n AND nocomma = 0 THEN r$ = r$ + ","
nocomma = 0
firsti = i + 1
curarg = curarg + 1
END IF
IF (curarg >= omitarg_first AND curarg <= omitarg_last) AND i = n THEN
targettyp = CVL(MID$(id2.arg, curarg * 4 - 4 + 1, 4))
'IF (targettyp AND ISSTRING) THEN Give_Error "QB64 doesn't support optional string arguments for functions yet!": EXIT FUNCTION
FOR fi = 1 TO omitargs: r$ = r$ + ",NULL": NEXT
curarg = curarg + omitargs
END IF
NEXT
END IF
IF n$ = "UBOUND" OR n$ = "LBOUND" THEN
IF r$ = ",NULL" THEN r$ = ",1"
IF n$ = "UBOUND" THEN r2$ = "func_ubound(" ELSE r2$ = "func_lbound("
e$ = refer$(ulboundarray$, sourcetyp, 1)
IF Error_Happened THEN EXIT FUNCTION
'note: ID contins refer'ed array info
arrayelements = id.arrayelements '2009
IF arrayelements = -1 THEN arrayelements = 1 '2009
r$ = r2$ + e$ + r$ + "," + str2$(arrayelements) + ")"
typ& = INTEGER64TYPE - ISPOINTER
GOTO evalfuncspecial
END IF
IF passomit THEN
IF omitarg_first THEN r$ = r$ + ",0" ELSE r$ = r$ + ",1"
END IF
r$ = r$ + ")"
evalfuncspecial:
IF n$ = "ABS" THEN typ& = sourcetyp 'ABS Note: ABS() returns argument #1's type
'QB-like conversion of math functions returning floating point values
IF n$ = "SIN" OR n$ = "COS" OR n$ = "TAN" OR n$ = "ATN" OR n$ = "SQR" OR n$ = "LOG" THEN
b = sourcetyp AND 511
IF sourcetyp AND ISFLOAT THEN
'Default is FLOATTYPE
IF b = 64 THEN typ& = DOUBLETYPE - ISPOINTER
IF b = 32 THEN typ& = SINGLETYPE - ISPOINTER
ELSE
'Default is FLOATTYPE
IF b <= 32 THEN typ& = DOUBLETYPE - ISPOINTER
IF b <= 16 THEN typ& = SINGLETYPE - ISPOINTER
END IF
END IF
IF id2.ret = ISUDT + (1) THEN
'***special case***
v$ = "func" + str2$(uniquenumber)
PRINT #defdatahandle, "mem_block " + v$ + ";"
r$ = "(" + v$ + "=" + r$ + ")"
END IF
IF id2.ccall THEN
IF LEFT$(r$, 11) = "( char* )" THEN
r$ = "qbs_new_txt(" + r$ + ")"
END IF
END IF
IF Debug THEN PRINT #9, "evaluatefunc:out:"; r$
evaluatefunc$ = r$
END FUNCTION
FUNCTION variablesize$ (i AS LONG) 'ID or -1 (if ID already 'loaded')
'Note: assumes whole bytes, no bit offsets/sizes
IF i <> -1 THEN getid i
IF Error_Happened THEN EXIT FUNCTION
'find base size from type
t = id.t: IF t = 0 THEN t = id.arraytype
bytes = (t AND 511) \ 8
IF t AND ISUDT THEN 'correct size for UDTs
u = t AND 511
bytes = udtxsize(u) \ 8
END IF
IF t AND ISSTRING THEN 'correct size for strings
IF t AND ISFIXEDLENGTH THEN
bytes = id.tsize
ELSE
IF id.arraytype THEN Give_Error "Cannot determine size of variable-length string array": EXIT FUNCTION
variablesize$ = scope$ + "STRING_" + RTRIM$(id.n) + "->len"
EXIT FUNCTION
END IF
END IF
IF id.arraytype THEN 'multiply size for arrays
n$ = RTRIM$(id.callname)
s$ = str2(bytes) + "*(" + n$ + "[2]&1)" 'note: multiplying by 0 if array not currently defined (affects dynamic arrays)
arrayelements = id.arrayelements: IF arrayelements = -1 THEN arrayelements = 1 '2009
FOR i2 = 1 TO arrayelements
s$ = s$ + "*" + n$ + "[" + str2(i2 * 4 - 4 + 5) + "]"
NEXT
variablesize$ = "(" + s$ + ")"
EXIT FUNCTION
END IF
variablesize$ = str2(bytes)
END FUNCTION
FUNCTION evaluatetotyp$ (a2$, targettyp AS LONG)
'note: 'evaluatetotyp' no longer performs 'fixoperationorder' on a2$ (in many cases, this has already been done)
a$ = a2$
e$ = evaluate(a$, sourcetyp)
IF Error_Happened THEN EXIT FUNCTION
'Offset protection:
IF sourcetyp AND ISOFFSET THEN
IF (targettyp AND ISOFFSET) = 0 AND targettyp >= 0 THEN
Give_Error "Cannot convert _OFFSET type to other types": EXIT FUNCTION
END IF
END IF
'-5 size
'-6 offset
IF targettyp = -4 OR targettyp = -5 OR targettyp = -6 THEN '? -> byte_element(offset,element size in bytes)
IF (sourcetyp AND ISREFERENCE) = 0 THEN Give_Error "Expected variable name/array element": EXIT FUNCTION
IF (sourcetyp AND ISOFFSETINBITS) THEN Give_Error "Variable/element cannot be BIT aligned": EXIT FUNCTION
' print "-4: evaluated as ["+e$+"]":sleep 1
IF (sourcetyp AND ISUDT) THEN 'User Defined Type -> byte_element(offset,bytes)
idnumber = VAL(e$)
i = INSTR(e$, sp3): e$ = RIGHT$(e$, LEN(e$) - i)
u = VAL(e$) 'closest parent
i = INSTR(e$, sp3): e$ = RIGHT$(e$, LEN(e$) - i)
E = VAL(e$)
i = INSTR(e$, sp3): e$ = RIGHT$(e$, LEN(e$) - i)
o$ = e$
getid idnumber
IF Error_Happened THEN EXIT FUNCTION
n$ = "UDT_" + RTRIM$(id.n)
IF id.arraytype THEN
n$ = "ARRAY_" + n$ + "[0]"
'whole array reference examplename()?
IF LEFT$(o$, 3) = "(0)" THEN
'use -2 type method
GOTO method2usealludt
END IF
END IF
'determine size of element
IF E = 0 THEN 'no specific element, use size of entire type
bytes$ = str2(udtxsize(u) \ 8)
ELSE 'a specific element
bytes$ = str2(udtesize(E) \ 8)
END IF
dst$ = "(((char*)" + scope$ + n$ + ")+(" + o$ + "))"
evaluatetotyp$ = "byte_element((uint64)" + dst$ + "," + bytes$ + "," + NewByteElement$ + ")"
IF targettyp = -5 THEN evaluatetotyp$ = bytes$
IF targettyp = -6 THEN evaluatetotyp$ = dst$
EXIT FUNCTION
END IF
IF (sourcetyp AND ISARRAY) THEN 'Array reference -> byte_element(offset,bytes)
'whole array reference examplename()?
IF RIGHT$(e$, 2) = sp3 + "0" THEN
'use -2 type method
IF sourcetyp AND ISSTRING THEN
IF (sourcetyp AND ISFIXEDLENGTH) = 0 THEN
Give_Error "Cannot pass array of variable-length strings": EXIT FUNCTION
END IF
END IF
GOTO method2useall
END IF
'assume a specific element
IF sourcetyp AND ISSTRING THEN
IF sourcetyp AND ISFIXEDLENGTH THEN
idnumber = VAL(e$)
getid idnumber
IF Error_Happened THEN EXIT FUNCTION
bytes$ = str2(id.tsize)
e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
evaluatetotyp$ = "byte_element((uint64)" + e$ + "->chr," + bytes$ + "," + NewByteElement$ + ")"
IF targettyp = -5 THEN evaluatetotyp$ = bytes$
IF targettyp = -6 THEN evaluatetotyp$ = e$ + "->chr"
ELSE
e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
evaluatetotyp$ = "byte_element((uint64)" + e$ + "->chr," + e$ + "->len," + NewByteElement$ + ")"
IF targettyp = -5 THEN evaluatetotyp$ = e$ + "->len"
IF targettyp = -6 THEN evaluatetotyp$ = e$ + "->chr"
END IF
EXIT FUNCTION
END IF
e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
e$ = "(&(" + e$ + "))"
bytes$ = str2((sourcetyp AND 511) \ 8)
evaluatetotyp$ = "byte_element((uint64)" + e$ + "," + bytes$ + "," + NewByteElement$ + ")"
IF targettyp = -5 THEN evaluatetotyp$ = bytes$
IF targettyp = -6 THEN evaluatetotyp$ = e$
EXIT FUNCTION
END IF
IF sourcetyp AND ISSTRING THEN 'String -> byte_element(offset,bytes)
IF sourcetyp AND ISFIXEDLENGTH THEN
idnumber = VAL(e$)
getid idnumber
IF Error_Happened THEN EXIT FUNCTION
bytes$ = str2(id.tsize)
e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
ELSE
e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
bytes$ = e$ + "->len"
END IF
evaluatetotyp$ = "byte_element((uint64)" + e$ + "->chr," + bytes$ + "," + NewByteElement$ + ")"
IF targettyp = -5 THEN evaluatetotyp$ = bytes$
IF targettyp = -6 THEN evaluatetotyp$ = e$ + "->chr"
EXIT FUNCTION
END IF
'Standard variable -> byte_element(offset,bytes)
e$ = refer(e$, sourcetyp, 1) 'get the variable's formal name
IF Error_Happened THEN EXIT FUNCTION
size = (sourcetyp AND 511) \ 8 'calculate its size in bytes
evaluatetotyp$ = "byte_element((uint64)" + e$ + "," + str2(size) + "," + NewByteElement$ + ")"
IF targettyp = -5 THEN evaluatetotyp$ = str2(size)
IF targettyp = -6 THEN evaluatetotyp$ = e$
EXIT FUNCTION
END IF '-4, -5, -6
IF targettyp = -8 THEN '? -> _MEM structure helper {offset, fullsize, typeval, elementsize, sf_mem_lock|???}
IF (sourcetyp AND ISREFERENCE) = 0 THEN Give_Error "Expected variable name/array element": EXIT FUNCTION
IF (sourcetyp AND ISOFFSETINBITS) THEN Give_Error "Variable/element cannot be BIT aligned": EXIT FUNCTION
IF (sourcetyp AND ISUDT) THEN 'User Defined Type -> byte_element(offset,bytes)
idnumber = VAL(e$)
i = INSTR(e$, sp3): e$ = RIGHT$(e$, LEN(e$) - i)
u = VAL(e$) 'closest parent
i = INSTR(e$, sp3): e$ = RIGHT$(e$, LEN(e$) - i)
E = VAL(e$)
i = INSTR(e$, sp3): e$ = RIGHT$(e$, LEN(e$) - i)
o$ = e$
getid idnumber
IF Error_Happened THEN EXIT FUNCTION
n$ = "UDT_" + RTRIM$(id.n)
IF id.arraytype THEN
n$ = "ARRAY_" + n$ + "[0]"
'whole array reference examplename()?
IF LEFT$(o$, 3) = "(0)" THEN
'use -7 type method
GOTO method2usealludt__7
END IF
END IF
'determine size of element
IF E = 0 THEN 'no specific element, use size of entire type
bytes$ = str2(udtxsize(u) \ 8)
t1 = ISUDT + udtetype(u)
ELSE 'a specific element
bytes$ = str2(udtesize(E) \ 8)
t1 = udtetype(E)
END IF
dst$ = "(((char*)" + scope$ + n$ + ")+(" + o$ + "))"
'evaluatetotyp$ = "byte_element((uint64)" + dst$ + "," + bytes$ + "," + NewByteElement$ + ")"
'IF targettyp = -5 THEN evaluatetotyp$ = bytes$
'IF targettyp = -6 THEN evaluatetotyp$ = dst$
t = Type2MemTypeValue(t1)
evaluatetotyp$ = "(ptrszint)" + dst$ + "," + bytes$ + "," + str2(t) + "," + bytes$ + ",sf_mem_lock"
EXIT FUNCTION
END IF
IF (sourcetyp AND ISARRAY) THEN 'Array reference -> byte_element(offset,bytes)
'whole array reference examplename()?
IF RIGHT$(e$, 2) = sp3 + "0" THEN
'use -7 type method
IF sourcetyp AND ISSTRING THEN
IF (sourcetyp AND ISFIXEDLENGTH) = 0 THEN
Give_Error "Cannot pass array of variable-length strings": EXIT FUNCTION
END IF
END IF
GOTO method2useall__7
END IF
idnumber = VAL(e$)
getid idnumber
IF Error_Happened THEN EXIT FUNCTION
n$ = RTRIM$(id.callname)
lk$ = "(mem_lock*)((ptrszint*)" + n$ + ")[" + str2(4 * id.arrayelements + 4 + 1 - 1) + "]"
'assume a specific element
IF sourcetyp AND ISSTRING THEN
IF sourcetyp AND ISFIXEDLENGTH THEN
bytes$ = str2(id.tsize)
e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
'evaluatetotyp$ = "byte_element((uint64)" + e$ + "->chr," + bytes$ + "," + NewByteElement$ + ")"
'IF targettyp = -5 THEN evaluatetotyp$ = bytes$
'IF targettyp = -6 THEN evaluatetotyp$ = e$ + "->chr"
t = Type2MemTypeValue(sourcetyp)
evaluatetotyp$ = "(ptrszint)" + e$ + "->chr," + bytes$ + "," + str2(t) + "," + bytes$ + "," + lk$
ELSE
Give_Error "_MEMELEMENT cannot reference variable-length strings": EXIT FUNCTION
END IF
EXIT FUNCTION
END IF
e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
e$ = "(&(" + e$ + "))"
bytes$ = str2((sourcetyp AND 511) \ 8)
'evaluatetotyp$ = "byte_element((uint64)" + e$ + "," + bytes$ + "," + NewByteElement$ + ")"
'IF targettyp = -5 THEN evaluatetotyp$ = bytes$
'IF targettyp = -6 THEN evaluatetotyp$ = e$
t = Type2MemTypeValue(sourcetyp)
evaluatetotyp$ = "(ptrszint)" + e$ + "," + bytes$ + "," + str2(t) + "," + bytes$ + "," + lk$
EXIT FUNCTION
END IF 'isarray
IF sourcetyp AND ISSTRING THEN 'String -> byte_element(offset,bytes)
IF sourcetyp AND ISFIXEDLENGTH THEN
idnumber = VAL(e$)
getid idnumber
IF Error_Happened THEN EXIT FUNCTION
bytes$ = str2(id.tsize)
e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
ELSE
Give_Error "_MEMELEMENT cannot reference variable-length strings": EXIT FUNCTION
END IF
'evaluatetotyp$ = "byte_element((uint64)" + e$ + "->chr," + bytes$ + "," + NewByteElement$ + ")"
'IF targettyp = -5 THEN evaluatetotyp$ = bytes$
'IF targettyp = -6 THEN evaluatetotyp$ = e$ + "->chr"
t = Type2MemTypeValue(sourcetyp)
evaluatetotyp$ = "(ptrszint)" + e$ + "->chr," + bytes$ + "," + str2(t) + "," + bytes$ + ",sf_mem_lock"
EXIT FUNCTION
END IF
'Standard variable -> byte_element(offset,bytes)
e$ = refer(e$, sourcetyp, 1) 'get the variable's formal name
IF Error_Happened THEN EXIT FUNCTION
size = (sourcetyp AND 511) \ 8 'calculate its size in bytes
'evaluatetotyp$ = "byte_element((uint64)" + e$ + "," + str2(size) + "," + NewByteElement$ + ")"
'IF targettyp = -5 THEN evaluatetotyp$ = str2(size)
'IF targettyp = -6 THEN evaluatetotyp$ = e$
t = Type2MemTypeValue(sourcetyp)
evaluatetotyp$ = "(ptrszint)" + e$ + "," + str2(size) + "," + str2(t) + "," + str2(size) + ",sf_mem_lock"
EXIT FUNCTION
END IF '-8
IF targettyp = -7 THEN '? -> _MEM structure helper {offset, fullsize, typeval, elementsize, sf_mem_lock|???}
method2useall__7:
IF (sourcetyp AND ISREFERENCE) = 0 THEN Give_Error "Expected variable name/array element": EXIT FUNCTION
IF (sourcetyp AND ISOFFSETINBITS) THEN Give_Error "Variable/element cannot be BIT aligned": EXIT FUNCTION
'User Defined Type
IF (sourcetyp AND ISUDT) THEN
' print "CI: -2 type from a UDT":sleep 1
idnumber = VAL(e$)
i = INSTR(e$, sp3): e$ = RIGHT$(e$, LEN(e$) - i)
u = VAL(e$) 'closest parent
i = INSTR(e$, sp3): e$ = RIGHT$(e$, LEN(e$) - i)
E = VAL(e$)
i = INSTR(e$, sp3): e$ = RIGHT$(e$, LEN(e$) - i)
o$ = e$
getid idnumber
IF Error_Happened THEN EXIT FUNCTION
n$ = "UDT_" + RTRIM$(id.n): IF id.arraytype THEN n$ = "ARRAY_" + n$ + "[0]"
method2usealludt__7:
bytes$ = variablesize$(-1) + "-(" + o$ + ")"
IF Error_Happened THEN EXIT FUNCTION
dst$ = "(((char*)" + scope$ + n$ + ")+(" + o$ + "))"
'evaluatetotyp$ = "byte_element((uint64)" + dst$ + "," + bytes$ + "," + NewByteElement$ + ")"
'note: myudt.myelement results in a size of 1 because it is a continuous run of no consistent granularity
IF E <> 0 THEN size = 1 ELSE size = udtxsize(u) \ 8
t = Type2MemTypeValue(sourcetyp)
evaluatetotyp$ = "(ptrszint)" + dst$ + "," + bytes$ + "," + str2(t) + "," + str2(size) + ",sf_mem_lock"
EXIT FUNCTION
END IF
'Array reference
IF (sourcetyp AND ISARRAY) THEN
IF sourcetyp AND ISSTRING THEN
IF (sourcetyp AND ISFIXEDLENGTH) = 0 THEN
Give_Error "_MEM cannot reference variable-length strings": EXIT FUNCTION
END IF
END IF
idnumber = VAL(e$)
getid idnumber
IF Error_Happened THEN EXIT FUNCTION
n$ = RTRIM$(id.callname)
lk$ = "(mem_lock*)((ptrszint*)" + n$ + ")[" + str2(4 * id.arrayelements + 4 + 1 - 1) + "]"
tsize = id.tsize 'used later to determine element size of fixed length strings
'note: array references consist of idnumber|unmultiplied-element-index
index$ = RIGHT$(e$, LEN(e$) - INSTR(e$, sp3)) 'get element index
bytes$ = variablesize$(-1)
IF Error_Happened THEN EXIT FUNCTION
e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
IF sourcetyp AND ISSTRING THEN
e$ = "((" + e$ + ")->chr)" '[2013] handle fixed string arrays differently because they are already pointers
ELSE
e$ = "(&(" + e$ + "))"
END IF
' print "CI: array: e$["+e$+"], bytes$["+bytes$+"]":sleep 1
'calculate size of elements
IF sourcetyp AND ISSTRING THEN
bytes = tsize
ELSE
bytes = (sourcetyp AND 511) \ 8
END IF
bytes$ = bytes$ + "-(" + str2(bytes) + "*(" + index$ + "))"
t = Type2MemTypeValue(sourcetyp)
evaluatetotyp$ = "(ptrszint)" + e$ + "," + bytes$ + "," + str2(t) + "," + str2(bytes) + "," + lk$
EXIT FUNCTION
END IF
'String
IF sourcetyp AND ISSTRING THEN
IF (sourcetyp AND ISFIXEDLENGTH) = 0 THEN Give_Error "_MEM cannot reference variable-length strings": EXIT FUNCTION
idnumber = VAL(e$)
getid idnumber: IF Error_Happened THEN EXIT FUNCTION
bytes$ = str2(id.tsize)
e$ = refer(e$, sourcetyp, 0): IF Error_Happened THEN EXIT FUNCTION
t = Type2MemTypeValue(sourcetyp)
evaluatetotyp$ = "(ptrszint)" + e$ + "->chr," + bytes$ + "," + str2(t) + "," + bytes$ + ",sf_mem_lock"
EXIT FUNCTION
END IF
'Standard variable -> byte_element(offset,bytes)
e$ = refer(e$, sourcetyp, 1) 'get the variable's formal name
IF Error_Happened THEN EXIT FUNCTION
size = (sourcetyp AND 511) \ 8 'calculate its size in bytes
t = Type2MemTypeValue(sourcetyp)
evaluatetotyp$ = "(ptrszint)" + e$ + "," + str2(size) + "," + str2(t) + "," + str2(size) + ",sf_mem_lock"
EXIT FUNCTION
END IF '-7 _MEM structure helper
IF targettyp = -2 THEN '? -> byte_element(offset,max possible bytes)
method2useall:
' print "CI: eval2typ detected target type of -2 for ["+a2$+"] evaluated as ["+e$+"]":sleep 1
IF (sourcetyp AND ISREFERENCE) = 0 THEN Give_Error "Expected variable name/array element": EXIT FUNCTION
IF (sourcetyp AND ISOFFSETINBITS) THEN Give_Error "Variable/element cannot be BIT aligned": EXIT FUNCTION
'User Defined Type -> byte_element(offset,bytes)
IF (sourcetyp AND ISUDT) THEN
' print "CI: -2 type from a UDT":sleep 1
idnumber = VAL(e$)
i = INSTR(e$, sp3): e$ = RIGHT$(e$, LEN(e$) - i)
u = VAL(e$) 'closest parent
i = INSTR(e$, sp3): e$ = RIGHT$(e$, LEN(e$) - i)
E = VAL(e$)
i = INSTR(e$, sp3): e$ = RIGHT$(e$, LEN(e$) - i)
o$ = e$
getid idnumber
IF Error_Happened THEN EXIT FUNCTION
n$ = "UDT_" + RTRIM$(id.n): IF id.arraytype THEN n$ = "ARRAY_" + n$ + "[0]"
method2usealludt:
bytes$ = variablesize$(-1) + "-(" + o$ + ")"
IF Error_Happened THEN EXIT FUNCTION
dst$ = "(((char*)" + scope$ + n$ + ")+(" + o$ + "))"
evaluatetotyp$ = "byte_element((uint64)" + dst$ + "," + bytes$ + "," + NewByteElement$ + ")"
IF targettyp = -5 THEN evaluatetotyp$ = bytes$
IF targettyp = -6 THEN evaluatetotyp$ = dst$
EXIT FUNCTION
END IF
'Array reference -> byte_element(offset,bytes)
IF (sourcetyp AND ISARRAY) THEN
'array of variable length strings (special case, can only refer to single element)
IF sourcetyp AND ISSTRING THEN
IF (sourcetyp AND ISFIXEDLENGTH) = 0 THEN
e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
evaluatetotyp$ = "byte_element((uint64)" + e$ + "->chr," + e$ + "->len," + NewByteElement$ + ")"
IF targettyp = -5 THEN evaluatetotyp$ = e$ + "->len"
IF targettyp = -6 THEN evaluatetotyp$ = e$ + "->chr"
EXIT FUNCTION
END IF
END IF
idnumber = VAL(e$)
getid idnumber
IF Error_Happened THEN EXIT FUNCTION
tsize = id.tsize 'used later to determine element size of fixed length strings
'note: array references consist of idnumber|unmultiplied-element-index
index$ = RIGHT$(e$, LEN(e$) - INSTR(e$, sp3)) 'get element index
bytes$ = variablesize$(-1)
IF Error_Happened THEN EXIT FUNCTION
e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
e$ = "(&(" + e$ + "))"
' print "CI: array: e$["+e$+"], bytes$["+bytes$+"]":sleep 1
'calculate size of elements
IF sourcetyp AND ISSTRING THEN
bytes = tsize
ELSE
bytes = (sourcetyp AND 511) \ 8
END IF
bytes$ = bytes$ + "-(" + str2(bytes) + "*(" + index$ + "))"
evaluatetotyp$ = "byte_element((uint64)" + e$ + "," + bytes$ + "," + NewByteElement$ + ")"
IF targettyp = -5 THEN evaluatetotyp$ = bytes$
IF targettyp = -6 THEN evaluatetotyp$ = e$
' print "CI: array ->["+"byte_element((uint64)" + e$ + "," + bytes$+ ","+NewByteElement$+")"+"]":sleep 1
EXIT FUNCTION
END IF
'String -> byte_element(offset,bytes)
IF sourcetyp AND ISSTRING THEN
IF sourcetyp AND ISFIXEDLENGTH THEN
idnumber = VAL(e$)
getid idnumber
IF Error_Happened THEN EXIT FUNCTION
bytes$ = str2(id.tsize)
e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
ELSE
e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
bytes$ = e$ + "->len"
END IF
evaluatetotyp$ = "byte_element((uint64)" + e$ + "->chr," + bytes$ + "," + NewByteElement$ + ")"
IF targettyp = -5 THEN evaluatetotyp$ = bytes$
IF targettyp = -6 THEN evaluatetotyp$ = e$ + "->chr"
EXIT FUNCTION
END IF
'Standard variable -> byte_element(offset,bytes)
e$ = refer(e$, sourcetyp, 1) 'get the variable's formal name
IF Error_Happened THEN EXIT FUNCTION
size = (sourcetyp AND 511) \ 8 'calculate its size in bytes
evaluatetotyp$ = "byte_element((uint64)" + e$ + "," + str2(size) + "," + NewByteElement$ + ")"
IF targettyp = -5 THEN evaluatetotyp$ = str2(size)
IF targettyp = -6 THEN evaluatetotyp$ = e$
EXIT FUNCTION
END IF '-2 byte_element(offset,bytes)
'string?
IF (sourcetyp AND ISSTRING) <> (targettyp AND ISSTRING) THEN
Give_Error "Illegal string-number conversion": EXIT FUNCTION
END IF
IF (sourcetyp AND ISSTRING) THEN
evaluatetotyp$ = e$
IF (sourcetyp AND ISREFERENCE) THEN
evaluatetotyp$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
END IF
EXIT FUNCTION
END IF
'pointer required?
IF (targettyp AND ISPOINTER) THEN
Give_Error "evaluatetotyp received a request for a pointer! (as yet unsupported)": EXIT FUNCTION
'...
Give_Error "Invalid pointer": EXIT FUNCTION
END IF
'change to "non-pointer" value
IF (sourcetyp AND ISREFERENCE) THEN
e$ = refer(e$, sourcetyp, 0)
IF Error_Happened THEN EXIT FUNCTION
END IF
'check if successful
IF (sourcetyp AND ISPOINTER) THEN
Give_Error "evaluatetotyp couldn't convert pointer type!": EXIT FUNCTION
END IF
'round to integer if required
IF (sourcetyp AND ISFLOAT) THEN
IF (targettyp AND ISFLOAT) = 0 THEN
bits = targettyp AND 511
'**32 rounding fix
IF bits <= 16 THEN e$ = "qbr_float_to_long(" + e$ + ")"
IF bits > 16 AND bits < 32 THEN e$ = "qbr_double_to_long(" + e$ + ")"
IF bits >= 32 THEN e$ = "qbr(" + e$ + ")"
END IF
END IF
evaluatetotyp$ = e$
END FUNCTION
FUNCTION findid& (n2$)
n$ = UCASE$(n2$) 'case insensitive
'return all strings as 'not found'
IF ASC(n$) = 34 THEN GOTO noid
'if findidsecondarg was set, it will be used for finding the name of a sub (not a func or variable)
secondarg$ = findidsecondarg: findidsecondarg = ""
'if findanotherid was set, findid will continue scan from last index, otherwise, it will begin a new search
findanother = findanotherid: findanotherid = 0
IF findanother <> 0 AND findidinternal <> 2 THEN Give_Error "FINDID() ERROR: Invalid repeat search requested!": EXIT FUNCTION 'cannot continue search, no more indexes left!
IF Error_Happened THEN EXIT FUNCTION
'(the above should never happen)
findid& = 2 '2=not finished searching all indexes
'seperate symbol from name (if a symbol has been added), this is the only way symbols can be passed to findid
i = 0
i = INSTR(n$, "~"): IF i THEN GOTO gotsc
i = INSTR(n$, "`"): IF i THEN GOTO gotsc
i = INSTR(n$, "%"): IF i THEN GOTO gotsc
i = INSTR(n$, "&"): IF i THEN GOTO gotsc
i = INSTR(n$, "!"): IF i THEN GOTO gotsc
i = INSTR(n$, "#"): IF i THEN GOTO gotsc
i = INSTR(n$, "$"): IF i THEN GOTO gotsc
gotsc:
IF i THEN
sc$ = RIGHT$(n$, LEN(n$) - i + 1): n$ = LEFT$(n$, i - 1)
IF sc$ = "`" OR sc$ = "~`" THEN sc$ = sc$ + "1" 'clarify abbreviated 1 bit reference
ELSE
''' 'no symbol passed, so check what symbol could be assumed under the current DEF...
''' v = ASC(n$): IF v = 95 THEN v = 27 ELSE v = v - 64
''' IF v >= 1 AND v <= 27 THEN 'safeguard against n$ not being a standard name
''' couldhavesc$ = defineextaz(v)
''' IF couldhavesc$ = "`" OR couldhavesc$ = "~`" THEN couldhavesc$ = couldhavesc$ + "1" 'clarify abbreviated 1 bit reference
''' END IF 'safeguard
END IF
'optomizations for later comparisons
insf$ = subfunc + SPACE$(256 - LEN(subfunc))
secondarg$ = secondarg$ + SPACE$(256 - LEN(secondarg$))
IF LEN(sc$) THEN scpassed = 1: sc$ = sc$ + SPACE$(8 - LEN(sc$)) ELSE scpassed = 0
'''IF LEN(couldhavesc$) THEN couldhavesc$ = couldhavesc$ + SPACE$(8 - LEN(couldhavesc$)): couldhavescpassed = 1 ELSE couldhavescpassed = 0
IF LEN(n$) < 256 THEN n$ = n$ + SPACE$(256 - LEN(n$))
'FUNCTION HashFind (a$, searchflags, resultflags, resultreference)
'(0,1,2)z=hashfind[rev]("RUMI",Hashflag_label,resflag,resref)
'0=doesn't exist
'1=found, no more items to scan
'2=found, more items still to scan
'NEW HASH SYSTEM
n$ = RTRIM$(n$)
IF findanother THEN
hashretry:
z = HashFindCont(unrequired, i)
ELSE
z = HashFindRev(n$, 1, unrequired, i)
END IF
findidinternal = z
IF z = 0 THEN GOTO noid
findid = z
'continue from previous position?
''IF findanother THEN start = findidinternal ELSE start = idn
''FOR i = start TO 1 STEP -1
'' findidinternal = i - 1
'' IF findidinternal = 0 THEN findid& = 1 '1=found id, but no more to search
'' IF ids(i).n = n$ THEN 'same name?
'in scope?
IF ids(i).subfunc = 0 AND ids(i).share = 0 THEN 'scope check required (not a shared variable or the name of a sub/function)
IF ids(i).insubfunc <> insf$ THEN GOTO findidnomatch
END IF
'some subs require a second argument (eg. PUT #, DEF SEG, etc.)
IF ids(i).subfunc = 2 THEN
IF ASC(ids(i).secondargmustbe) <> 32 THEN 'exists?
IF secondarg$ <> ids(i).secondargmustbe THEN GOTO findidnomatch
END IF
IF ASC(ids(i).secondargcantbe) <> 32 THEN 'exists?
IF secondarg$ = ids(i).secondargcantbe THEN GOTO findidnomatch
END IF
END IF 'second sub argument possible
'must have symbol?
'typically for variables defined automatically or by a symbol and not the full type name
imusthave = CVI(ids(i).musthave) 'speed up checks of first 2 characters
amusthave = imusthave AND 255 'speed up checks of first character
IF amusthave <> 32 THEN
IF scpassed THEN
IF sc$ = ids(i).musthave THEN GOTO findidok
END IF
''' IF couldhavescpassed THEN
''' IF couldhavesc$ = ids(i).musthave THEN GOTO findidok
''' END IF
'Q: why is the above triple-commented?
'A: because if something must have a symbol to refer to it, then a could-have is
' not sufficient, and it could mask shared variables in global scope
'note: symbol defined fixed length strings cannot be referred to by $ without an extension
'note: sc$ and couldhavesc$ are already changed from ` to `1 to match stored musthave
GOTO findidnomatch
END IF
'may have symbol?
'typically for variables formally dim'd
'note: couldhavesc$ needn't be considered for mayhave checks
IF scpassed THEN 'symbol was passed, so it must match the mayhave symbol
imayhave = CVI(ids(i).mayhave) 'speed up checks of first 2 characters
amayhave = imayhave AND 255 'speed up checks of first character
IF amayhave = 32 THEN GOTO findidnomatch 'it cannot have the symbol passed (nb. musthave symbols have already been ok'd)
'note: variable length strings are not a problem here, as they can only have one possible extension
IF amayhave = 36 THEN '"$"
IF imayhave <> 8228 THEN '"$ "
'it is a fixed length string
IF CVI(sc$) = 8228 THEN GOTO findidok 'allow myvariable$ to become myvariable$10
'allow later comparison to verify if extension is correct
END IF
END IF
IF sc$ <> ids(i).mayhave THEN GOTO findidnomatch
END IF 'scpassed
'return id
findidok:
id = ids(i)
currentid = i
EXIT FUNCTION
'END IF 'same name
findidnomatch:
'NEXT
IF z = 2 THEN GOTO hashretry
'totally unclassifiable
noid:
findid& = 0
currentid = -1
END FUNCTION
FUNCTION FindArray (secure$)
FindArray = -1
n$ = secure$
IF Debug THEN PRINT #9, "func findarray:in:" + n$
IF alphanumeric(ASC(n$)) = 0 THEN FindArray = 0: EXIT FUNCTION
'establish whether n$ includes an extension
i = INSTR(n$, "~"): IF i THEN sc$ = RIGHT$(n$, LEN(n$) - i + 1): n$ = LEFT$(n$, i - 1): GOTO gotsc2
i = INSTR(n$, "`"): IF i THEN sc$ = RIGHT$(n$, LEN(n$) - i + 1): n$ = LEFT$(n$, i - 1): GOTO gotsc2
i = INSTR(n$, "%"): IF i THEN sc$ = RIGHT$(n$, LEN(n$) - i + 1): n$ = LEFT$(n$, i - 1): GOTO gotsc2
i = INSTR(n$, "&"): IF i THEN sc$ = RIGHT$(n$, LEN(n$) - i + 1): n$ = LEFT$(n$, i - 1): GOTO gotsc2
i = INSTR(n$, "!"): IF i THEN sc$ = RIGHT$(n$, LEN(n$) - i + 1): n$ = LEFT$(n$, i - 1): GOTO gotsc2
i = INSTR(n$, "#"): IF i THEN sc$ = RIGHT$(n$, LEN(n$) - i + 1): n$ = LEFT$(n$, i - 1): GOTO gotsc2
i = INSTR(n$, "$"): IF i THEN sc$ = RIGHT$(n$, LEN(n$) - i + 1): n$ = LEFT$(n$, i - 1): GOTO gotsc2
gotsc2:
n2$ = n$ + sc$
IF sc$ <> "" THEN
'has an extension
'note! findid must unambiguify ` to `5 or $ to $10 where applicable
try = findid(n2$): IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF id.arraytype THEN
EXIT FUNCTION
END IF
IF try = 2 THEN findanotherid = 1: try = findid(n2$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
ELSE
'no extension
'1. pass as is, without any extension (local)
try = findid(n2$): IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF id.arraytype THEN
IF subfuncn = 0 THEN EXIT FUNCTION
IF id.insubfuncn = subfuncn THEN EXIT FUNCTION
END IF
IF try = 2 THEN findanotherid = 1: try = findid(n2$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
'2. that failed, so apply the _define'd extension and pass (local)
a = ASC(UCASE$(n$)): IF a = 95 THEN a = 91
a = a - 64 'so A=1, Z=27 and _=28
n2$ = n$ + defineextaz(a)
try = findid(n2$): IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF id.arraytype THEN
IF subfuncn = 0 THEN EXIT FUNCTION
IF id.insubfuncn = subfuncn THEN EXIT FUNCTION
EXIT FUNCTION
END IF
IF try = 2 THEN findanotherid = 1: try = findid(n2$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
'3. pass as is, without any extension (global)
n2$ = n$
try = findid(n2$): IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF id.arraytype THEN
EXIT FUNCTION
END IF
IF try = 2 THEN findanotherid = 1: try = findid(n2$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
'4. that failed, so apply the _define'd extension and pass (global)
a = ASC(UCASE$(n$)): IF a = 95 THEN a = 91
a = a - 64 'so A=1, Z=27 and _=28
n2$ = n$ + defineextaz(a)
try = findid(n2$): IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF id.arraytype THEN
EXIT FUNCTION
END IF
IF try = 2 THEN findanotherid = 1: try = findid(n2$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
END IF
FindArray = 0
END FUNCTION
FUNCTION fixoperationorder$ (savea$)
a$ = savea$
IF Debug THEN PRINT #9, "fixoperationorder:in:" + a$
fooindwel = fooindwel + 1
n = numelements(a$) 'n is maintained throughout function
IF fooindwel = 1 THEN 'actions to take on initial call only
'Quick check for duplicate binary operations
uppercasea$ = UCASE$(a$) 'capitalize it once to reduce calls to ucase over and over
FOR i = 1 TO n - 1
temp1$ = getelement(uppercasea$, i)
temp2$ = getelement(uppercasea$, i + 1)
IF temp1$ = "AND" AND temp2$ = "AND" THEN Give_Error "Error: AND AND": EXIT FUNCTION
IF temp1$ = "OR" AND temp2$ = "OR" THEN Give_Error "Error: OR OR": EXIT FUNCTION
IF temp1$ = "XOR" AND temp2$ = "XOR" THEN Give_Error "Error: XOR XOR": EXIT FUNCTION
IF temp1$ = "IMP" AND temp2$ = "IMP" THEN Give_Error "Error: IMP IMP": EXIT FUNCTION
IF temp1$ = "EQV" AND temp2$ = "EQV" THEN Give_Error "Error: EQV EQV": EXIT FUNCTION
NEXT
'----------------A. 'Quick' mismatched brackets check----------------
b = 0
a2$ = sp + a$ + sp
b1$ = sp + "(" + sp
b2$ = sp + ")" + sp
i = 1
findmmb:
i1 = INSTR(i, a2$, b1$)
i2 = INSTR(i, a2$, b2$)
i3 = i1
IF i2 THEN
IF i1 = 0 THEN
i3 = i2
ELSE
IF i2 < i1 THEN i3 = i2
END IF
END IF
IF i3 THEN
IF i3 = i1 THEN b = b + 1
IF i3 = i2 THEN b = b - 1
i = i3 + 2
IF b < 0 THEN Give_Error "Missing (": EXIT FUNCTION
GOTO findmmb
END IF
IF b > 0 THEN Give_Error "Missing )": EXIT FUNCTION
'----------------B. 'Quick' correction of over-use of +,- ----------------
'note: the results of this change are beneficial to foolayout
a2$ = sp + a$ + sp
'rule 1: change ++ to +
rule1:
i = INSTR(a2$, sp + "+" + sp + "+" + sp)
IF i THEN
a2$ = LEFT$(a2$, i + 2) + RIGHT$(a2$, LEN(a2$) - i - 4)
a$ = MID$(a2$, 2, LEN(a2$) - 2)
n = n - 1
IF Debug THEN PRINT #9, "fixoperationorder:+/-:" + a$
GOTO rule1
END IF
'rule 2: change -+ to -
rule2:
i = INSTR(a2$, sp + "-" + sp + "+" + sp)
IF i THEN
a2$ = LEFT$(a2$, i + 2) + RIGHT$(a2$, LEN(a2$) - i - 4)
a$ = MID$(a2$, 2, LEN(a2$) - 2)
n = n - 1
IF Debug THEN PRINT #9, "fixoperationorder:+/-:" + a$
GOTO rule2
END IF
'rule 3: change anyoperator-- to anyoperator
rule3:
IF INSTR(a2$, sp + "-" + sp + "-" + sp) THEN
FOR i = 1 TO n - 2
IF isoperator(getelement(a$, i)) THEN
IF getelement(a$, i + 1) = "-" THEN
IF getelement(a$, i + 2) = "-" THEN
removeelements a$, i + 1, i + 2, 0
a2$ = sp + a$ + sp
n = n - 2
IF Debug THEN PRINT #9, "fixoperationorder:+/-:" + a$
GOTO rule3
END IF
END IF
END IF
NEXT
END IF 'rule 3
'----------------C. 'Quick' location of negation----------------
'note: the results of this change are beneficial to foolayout
'for numbers...
'before: anyoperator,-,number
'after: anyoperator,-number
'for variables...
'before: anyoperator,-,variable
'after: anyoperator,CHR$(241),variable
'exception for numbers followed by ^... (they will be bracketed up along with the ^ later)
'before: anyoperator,-,number,^
'after: anyoperator,CHR$(241),number,^
FOR i = 1 TO n - 1
IF i > n - 1 THEN EXIT FOR 'n changes, so manually exit if required
IF ASC(getelement(a$, i)) = 45 THEN '-
neg = 0
IF i = 1 THEN
neg = 1
ELSE
a2$ = getelement(a$, i - 1)
c = ASC(a2$)
IF c = 40 OR c = 44 THEN '(,
neg = 1
ELSE
IF isoperator(a2$) THEN neg = 1
END IF '()
END IF 'i=1
IF neg = 1 THEN
a2$ = getelement(a$, i + 1)
c = ASC(a2$)
IF c >= 48 AND c <= 57 THEN
c2 = 0: IF i < n - 1 THEN c2 = ASC(getelement(a$, i + 2))
IF c2 <> 94 THEN 'not ^
'number...
i2 = INSTR(a2$, ",")
IF i2 AND ASC(a2$, i2 + 1) <> 38 THEN '&H/&O/&B values don't need the assumed negation
a2$ = "-" + LEFT$(a2$, i2) + "-" + RIGHT$(a2$, LEN(a2$) - i2)
ELSE
a2$ = "-" + a2$
END IF
removeelements a$, i, i + 1, 0
insertelements a$, i - 1, a2$
n = n - 1
IF Debug THEN PRINT #9, "fixoperationorder:negation:" + a$
GOTO negdone
END IF
END IF
'not a number (or for exceptions)...
removeelements a$, i, i, 0
insertelements a$, i - 1, CHR$(241)
IF Debug THEN PRINT #9, "fixoperationorder:negation:" + a$
END IF 'isoperator
END IF '-
negdone:
NEXT
END IF 'fooindwel=1
'----------------D. 'Quick' Add 'power of' with negation {}bracketing to bottom bracket level----------------
pownegused = 0
powneg:
IF INSTR(a$, "^" + sp + CHR$(241)) THEN 'quick check
b = 0
b1 = 0
FOR i = 1 TO n
a2$ = getelement(a$, i)
c = ASC(a2$)
IF c = 40 THEN b = b + 1
IF c = 41 THEN b = b - 1
IF b = 0 THEN
IF b1 THEN
IF isoperator(a2$) THEN
IF a2$ <> "^" AND a2$ <> CHR$(241) THEN
insertelements a$, i - 1, "}"
insertelements a$, b1, "{"
n = n + 2
IF Debug THEN PRINT #9, "fixoperationorder:^-:" + a$
GOTO powneg
pownegused = 1
END IF
END IF
END IF
IF c = 94 THEN '^
IF getelement$(a$, i + 1) = CHR$(241) THEN b1 = i: i = i + 1
END IF
END IF 'b=0
NEXT i
IF b1 THEN
insertelements a$, b1, "{"
a$ = a$ + sp + "}"
n = n + 2
IF Debug THEN PRINT #9, "fixoperationorder:^-:" + a$
pownegused = 1
GOTO powneg
END IF
END IF 'quick check
'----------------E. Find lowest & highest operator level in bottom bracket level----------------
NOT_recheck:
lco = 255
hco = 0
b = 0
FOR i = 1 TO n
a2$ = getelement(a$, i)
c = ASC(a2$)
IF c = 40 OR c = 123 THEN b = b + 1
IF c = 41 OR c = 125 THEN b = b - 1
IF b = 0 THEN
op = isoperator(a2$)
IF op THEN
IF op < lco THEN lco = op
IF op > hco THEN hco = op
END IF
END IF
NEXT
'----------------F. Add operator {}bracketting----------------
'apply bracketting only if required
IF hco <> 0 THEN 'operators were used
IF lco <> hco THEN
'brackets needed
IF lco = 6 THEN 'NOT exception
'Step 1: Add brackets as follows ~~~ ( NOT ( ~~~ NOT ~~~ NOT ~~~ NOT ~~~ ))
'Step 2: Recheck line from beginning
IF n = 1 THEN Give_Error "Expected NOT ...": EXIT FUNCTION
b = 0
FOR i = 1 TO n
a2$ = getelement(a$, i)
c = ASC(a2$)
IF c = 40 OR c = 123 THEN b = b + 1
IF c = 41 OR c = 125 THEN b = b - 1
IF b = 0 THEN
IF UCASE$(a2$) = "NOT" THEN
IF i = n THEN Give_Error "Expected NOT ...": EXIT FUNCTION
IF i = 1 THEN a$ = "NOT" + sp + "{" + sp + getelements$(a$, 2, n) + sp + "}": n = n + 2: GOTO lco_bracketting_done
a$ = getelements$(a$, 1, i - 1) + sp + "{" + sp + "NOT" + sp + "{" + sp + getelements$(a$, i + 1, n) + sp + "}" + sp + "}"
n = n + 4
GOTO NOT_recheck
END IF 'not
END IF 'b=0
NEXT
END IF 'NOT exception
n2 = n
b = 0
a3$ = "{"
n = 1
FOR i = 1 TO n2
a2$ = getelement(a$, i)
c = ASC(a2$)
IF c = 40 OR c = 123 THEN b = b + 1
IF c = 41 OR c = 125 THEN b = b - 1
IF b = 0 THEN
op = isoperator(a2$)
IF op = lco THEN
IF i = 1 THEN
a3$ = a2$ + sp + "{"
n = 2
ELSE
IF i = n2 THEN Give_Error "Expected variable/value after '" + UCASE$(a2$) + "'": EXIT FUNCTION
a3$ = a3$ + sp + "}" + sp + a2$ + sp + "{"
n = n + 3
END IF
GOTO fixop0
END IF
END IF 'b=0
a3$ = a3$ + sp + a2$
n = n + 1
fixop0:
NEXT
a3$ = a3$ + sp + "}"
n = n + 1
a$ = a3$
lco_bracketting_done:
IF Debug THEN PRINT #9, "fixoperationorder:lco bracketing["; lco; ","; hco; "]:" + a$
'--------(F)G. Remove indwelling {}bracketting from power-negation--------
IF pownegused THEN
b = 0
i = 0
DO
i = i + 1
IF i > n THEN EXIT DO
c = ASC(getelement(a$, i))
IF c = 41 OR c = 125 THEN b = b - 1
IF (c = 123 OR c = 125) AND b <> 0 THEN
removeelements a$, i, i, 0
n = n - 1
i = i - 1
IF Debug THEN PRINT #9, "fixoperationorder:^- {} removed:" + a$
END IF
IF c = 40 OR c = 123 THEN b = b + 1
LOOP
END IF 'pownegused
END IF 'lco <> hco
END IF 'hco <> 0
'--------Bracketting of multiple NOT/negation unary operators--------
IF LEFT$(a$, 4) = CHR$(241) + sp + CHR$(241) + sp THEN
a$ = CHR$(241) + sp + "{" + sp + getelements$(a$, 2, n) + sp + "}": n = n + 2
END IF
IF UCASE$(LEFT$(a$, 8)) = "NOT" + sp + "NOT" + sp THEN
a$ = "NOT" + sp + "{" + sp + getelements$(a$, 2, n) + sp + "}": n = n + 2
END IF
'----------------H. Identification/conversion of elements within bottom bracket level----------------
'actions performed:
' ->builds f$(tlayout)
' ->adds symbols to all numbers
' ->evaluates constants to numbers
f$ = ""
b = 0
c = 0
lastt = 0: lastti = 0
FOR i = 1 TO n
f2$ = getelement(a$, i)
lastc = c
c = ASC(f2$)
IF c = 40 OR c = 123 THEN
IF c <> 40 OR b <> 0 THEN f2$ = "" 'skip temporary & indwelling brackets
b = b + 1
GOTO classdone
END IF
IF c = 41 OR c = 125 THEN
b = b - 1
'check for "("+sp+")" after literal-string, operator, number or nothing
IF b = 0 THEN 'must be within the lowest level
IF c = 41 THEN
IF lastc = 40 THEN
IF lastti = i - 2 OR lastti = 0 THEN
IF lastt >= 0 AND lastt <= 3 THEN
Give_Error "Unexpected (": EXIT FUNCTION
END IF
END IF
END IF
END IF
END IF
IF c <> 41 OR b <> 0 THEN f2$ = "" 'skip temporary & indwelling brackets
GOTO classdone
END IF
IF b = 0 THEN
'classifications/conversions:
'1. quoted string ("....)
'2. number
'3. operator
'4. constant
'5. variable/array/udt/function (note: nothing can share the same name as a function except a label)
'quoted string?
IF c = 34 THEN '"
lastt = 1: lastti = i
'convert \\ to \
'convert \??? to CHR$(&O???)
x2 = 1
x = INSTR(x2, f2$, "\")
DO WHILE x
c2 = ASC(f2$, x + 1)
IF c2 = 92 THEN '\\
f2$ = LEFT$(f2$, x) + RIGHT$(f2$, LEN(f2$) - x - 1) 'remove second \
x2 = x + 1
ELSE
'octal triplet value
c3 = (ASC(f2$, x + 3) - 48) + (ASC(f2$, x + 2) - 48) * 8 + (ASC(f2$, x + 1) - 48) * 64
f2$ = LEFT$(f2$, x - 1) + CHR$(c3) + RIGHT$(f2$, LEN(f2$) - x - 3)
x2 = x + 1
END IF
x = INSTR(x2, f2$, "\")
LOOP
'remove ',len' (if it exists)
x = INSTR(2, f2$, CHR$(34) + ","): IF x THEN f2$ = LEFT$(f2$, x)
GOTO classdone
END IF
'number?
IF (c >= 48 AND c <= 57) OR c = 45 THEN
lastt = 2: lastti = i
x = INSTR(f2$, ",")
IF x THEN
removeelements a$, i, i, 0: insertelements a$, i - 1, LEFT$(f2$, x - 1)
f2$ = RIGHT$(f2$, LEN(f2$) - x)
END IF
IF x = 0 THEN
c2 = ASC(f2$, LEN(f2$))
IF c2 < 48 OR c2 > 57 THEN
x = 1 'extension given
ELSE
x = INSTR(f2$, "`")
END IF
END IF
'add appropriate integer symbol if none present
IF x = 0 THEN
f3$ = f2$
s$ = ""
IF c = 45 THEN
s$ = "&&"
IF (f3$ < "-2147483648" AND LEN(f3$) = 11) OR LEN(f3$) < 11 THEN s$ = "&"
IF (f3$ <= "-32768" AND LEN(f3$) = 6) OR LEN(f3$) < 6 THEN s$ = "%"
ELSE
s$ = "~&&"
IF (f3$ <= "9223372036854775807" AND LEN(f3$) = 19) OR LEN(f3$) < 19 THEN s$ = "&&"
IF (f3$ <= "2147483647" AND LEN(f3$) = 10) OR LEN(f3$) < 10 THEN s$ = "&"
IF (f3$ <= "32767" AND LEN(f3$) = 5) OR LEN(f3$) < 5 THEN s$ = "%"
END IF
f3$ = f3$ + s$
removeelements a$, i, i, 0: insertelements a$, i - 1, f3$
END IF 'x=0
GOTO classdone
END IF
'operator?
IF isoperator(f2$) THEN
lastt = 3: lastti = i
IF LEN(f2$) > 1 THEN
IF f2$ <> UCASE$(f2$) THEN
f2$ = UCASE$(f2$)
removeelements a$, i, i, 0
insertelements a$, i - 1, f2$
END IF
END IF
'append negation
IF f2$ = CHR$(241) THEN f$ = f$ + sp + "-": GOTO classdone_special
GOTO classdone
END IF
IF alphanumeric(c) THEN
lastt = 4: lastti = i
IF i < n THEN nextc = ASC(getelement(a$, i + 1)) ELSE nextc = 0
' a constant?
IF nextc <> 40 THEN '<>"(" (not an array)
IF lastc <> 46 THEN '<>"." (not an element of a UDT)
e$ = UCASE$(f2$)
es$ = removesymbol$(e$)
IF Error_Happened THEN EXIT FUNCTION
hashfound = 0
hashname$ = e$
hashchkflags = HASHFLAG_CONSTANT
hashres = HashFindRev(hashname$, hashchkflags, hashresflags, hashresref)
DO WHILE hashres
IF constsubfunc(hashresref) = subfuncn OR constsubfunc(hashresref) = 0 THEN
IF constdefined(hashresref) THEN
hashfound = 1
EXIT DO
END IF
END IF
IF hashres <> 1 THEN hashres = HashFindCont(hashresflags, hashresref) ELSE hashres = 0
LOOP
IF hashfound THEN
i2 = hashresref
'FOR i2 = constlast TO 0 STEP -1
'IF e$ = constname(i2) THEN
'is a STATIC variable overriding this constant?
staticvariable = 0
try = findid(e$ + es$)
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF id.arraytype = 0 THEN staticvariable = 1: EXIT DO 'if it's not an array, it's probably a static variable
IF try = 2 THEN findanotherid = 1: try = findid(e$ + es$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
'add symbol and try again
IF staticvariable = 0 THEN
IF LEN(es$) = 0 THEN
a = ASC(UCASE$(e$)): IF a = 95 THEN a = 91
a = a - 64 'so A=1, Z=27 and _=28
es2$ = defineextaz(a)
try = findid(e$ + es2$)
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF id.arraytype = 0 THEN staticvariable = 1: EXIT DO 'if it's not an array, it's probably a static variable
IF try = 2 THEN findanotherid = 1: try = findid(e$ + es2$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
END IF
END IF
IF staticvariable = 0 THEN
t = consttype(i2)
IF t AND ISSTRING THEN
IF LEN(es$) > 0 AND es$ <> "$" THEN Give_Error "Type mismatch": EXIT FUNCTION
e$ = conststring(i2)
ELSE 'not a string
IF LEN(es$) THEN et = typname2typ(es$) ELSE et = 0
IF Error_Happened THEN EXIT FUNCTION
IF et AND ISSTRING THEN Give_Error "Type mismatch": EXIT FUNCTION
'convert value to general formats
IF t AND ISFLOAT THEN
v## = constfloat(i2)
v&& = v##
v~&& = v&&
ELSE
IF t AND ISUNSIGNED THEN
v~&& = constuinteger(i2)
v&& = v~&&
v## = v&&
ELSE
v&& = constinteger(i2)
v## = v&&
v~&& = v&&
END IF
END IF
'apply type conversion if necessary
IF et THEN t = et
'(todo: range checking)
'convert value into string for returning
IF t AND ISFLOAT THEN
e$ = LTRIM$(RTRIM$(STR$(v##)))
ELSE
IF t AND ISUNSIGNED THEN
e$ = LTRIM$(RTRIM$(STR$(v~&&)))
ELSE
e$ = LTRIM$(RTRIM$(STR$(v&&)))
END IF
END IF
'floats returned by str$ must be converted to qb64 standard format
IF t AND ISFLOAT THEN
t2 = t AND 511
'find E,D or F
s$ = ""
IF INSTR(e$, "E") THEN s$ = "E"
IF INSTR(e$, "D") THEN s$ = "D"
IF INSTR(e$, "F") THEN s$ = "F"
IF LEN(s$) THEN
'E,D,F found
x = INSTR(e$, s$)
'as incorrect type letter may have been returned by STR$, override it
IF t2 = 32 THEN s$ = "E"
IF t2 = 64 THEN s$ = "D"
IF t2 = 256 THEN s$ = "F"
MID$(e$, x, 1) = s$
IF INSTR(e$, ".") = 0 THEN e$ = LEFT$(e$, x - 1) + ".0" + RIGHT$(e$, LEN(e$) - x + 1): x = x + 2
IF LEFT$(e$, 1) = "." THEN e$ = "0" + e$
IF LEFT$(e$, 2) = "-." THEN e$ = "-0" + RIGHT$(e$, LEN(e$) - 1)
IF INSTR(e$, "+") = 0 AND INSTR(e$, "-") = 0 THEN
e$ = LEFT$(e$, x) + "+" + RIGHT$(e$, LEN(e$) - x)
END IF
ELSE
'E,D,F not found
IF INSTR(e$, ".") = 0 THEN e$ = e$ + ".0"
IF LEFT$(e$, 1) = "." THEN e$ = "0" + e$
IF LEFT$(e$, 2) = "-." THEN e$ = "-0" + RIGHT$(e$, LEN(e$) - 1)
IF t2 = 32 THEN e$ = e$ + "E+0"
IF t2 = 64 THEN e$ = e$ + "D+0"
IF t2 = 256 THEN e$ = e$ + "F+0"
END IF
ELSE
s$ = typevalue2symbol$(t)
IF Error_Happened THEN EXIT FUNCTION
e$ = e$ + s$ 'simply append symbol to integer
END IF
END IF 'not a string
removeelements a$, i, i, 0
insertelements a$, i - 1, e$
'alter f2$ here to original casing
f2$ = constcname(i2) + es$
GOTO classdone
END IF 'not static
'END IF 'same name
'NEXT
END IF 'hashfound
END IF 'not udt element
END IF 'not array
'variable/array/udt?
u$ = f2$
try_string$ = f2$
try_string2$ = try_string$ 'pure version of try_string$
FOR try_method = 1 TO 4
try_string$ = try_string2$
IF try_method = 2 OR try_method = 4 THEN
dtyp$ = removesymbol(try_string$)
IF LEN(dtyp$) = 0 THEN
IF isoperator(try_string$) = 0 THEN
IF isvalidvariable(try_string$) THEN
IF LEFT$(try_string$, 1) = "_" THEN v = 27 ELSE v = ASC(UCASE$(try_string$)) - 64
try_string$ = try_string$ + defineextaz(v)
END IF
END IF
ELSE
try_string$ = try_string2$
END IF
END IF
try = findid(try_string$)
IF Error_Happened THEN EXIT FUNCTION
DO WHILE try
IF (subfuncn = id.insubfuncn AND try_method <= 2) OR try_method >= 3 THEN
IF Debug THEN PRINT #9, "found id matching " + f2$
IF nextc = 40 THEN '(
'function or array?
IF id.arraytype <> 0 OR id.subfunc = 1 THEN
'note: even if it's an array of UDTs, the bracketted index will follow immediately
'correct name
f3$ = f2$
s$ = removesymbol$(f3$)
IF Error_Happened THEN EXIT FUNCTION
f2$ = RTRIM$(id.cn) + s$
removeelements a$, i, i, 0
insertelements a$, i - 1, UCASE$(f2$)
f$ = f$ + f2$ + sp + "(" + sp
'skip (but record with nothing inside them) brackets
b2 = 1 'already in first bracket
FOR i2 = i + 2 TO n
c2 = ASC(getelement(a$, i2))
IF c2 = 40 THEN b2 = b2 + 1
IF c2 = 41 THEN b2 = b2 - 1
IF b2 = 0 THEN EXIT FOR 'note: mismatched brackets check ensures this always succeeds
f$ = f$ + sp
NEXT
'adjust i accordingly
i = i2
f$ = f$ + ")"
'jump to UDT section if array is of UDT type (and elements are referenced)
IF id.arraytype AND ISUDT THEN
IF i < n THEN nextc = ASC(getelement(a$, i + 1)) ELSE nextc = 0
IF nextc = 46 THEN t = id.arraytype: GOTO fooudt
END IF
f$ = f$ + sp
GOTO classdone_special
END IF 'id.arraytype
END IF 'nextc "("
IF nextc <> 40 THEN 'not "(" (this avoids confusing simple variables with arrays)
IF id.t <> 0 OR id.subfunc = 1 THEN 'simple variable or function (without parameters)
IF id.t AND ISUDT THEN
'note: it may or may not be followed by a period (eg. if whole udt is being referred to)
'check if next item is a period
'correct name
f2$ = RTRIM$(id.cn) + removesymbol$(f2$)
IF Error_Happened THEN EXIT FUNCTION
removeelements a$, i, i, 0
insertelements a$, i - 1, UCASE$(f2$)
f$ = f$ + f2$
IF nextc <> 46 THEN f$ = f$ + sp: GOTO classdone_special 'no sub-elements referenced
t = id.t
fooudt:
f$ = f$ + sp + "." + sp
E = udtxnext(t AND 511) 'next element to check
i = i + 2
'loop
'"." encountered, i must be an element
IF i > n THEN Give_Error "Expected .element": EXIT FUNCTION
f2$ = getelement(a$, i)
s$ = removesymbol$(f2$)
IF Error_Happened THEN EXIT FUNCTION
u$ = UCASE$(f2$) + SPACE$(256 - LEN(f2$)) 'fast scanning
'is f$ the same as element e?
fooudtnexte:
IF udtename(E) = u$ THEN
'match found
'todo: check symbol(s$) matches element's type
'correct name
f2$ = RTRIM$(udtecname(E)) + s$
removeelements a$, i, i, 0
insertelements a$, i - 1, UCASE$(f2$)
f$ = f$ + f2$
IF i = n THEN f$ = f$ + sp: GOTO classdone_special
nextc = ASC(getelement(a$, i + 1))
IF nextc <> 46 THEN f$ = f$ + sp: GOTO classdone_special 'no sub-elements referenced
'sub-element exists
t = udtetype(E)
IF (t AND ISUDT) = 0 THEN Give_Error "Invalid . after element": EXIT FUNCTION
GOTO fooudt
END IF 'match found
'no, so check next element
E = udtenext(E)
IF E = 0 THEN Give_Error "Element not defined": EXIT FUNCTION
GOTO fooudtnexte
END IF 'udt
'non array/udt based variable
f3$ = f2$
s$ = removesymbol$(f3$)
IF Error_Happened THEN EXIT FUNCTION
f2$ = RTRIM$(id.cn) + s$
'change was is returned to uppercase
removeelements a$, i, i, 0
insertelements a$, i - 1, UCASE$(f2$)
GOTO CouldNotClassify
END IF 'id.t
END IF 'nextc not "("
END IF
IF try = 2 THEN findanotherid = 1: try = findid(try_string$) ELSE try = 0
IF Error_Happened THEN EXIT FUNCTION
LOOP
NEXT 'try method (1-4)
CouldNotClassify:
'alphanumeric, but item name is unknown... is it an internal type? if so, use capitals
f3$ = UCASE$(f2$)
internaltype = 0
IF f3$ = "STRING" THEN internaltype = 1
IF f3$ = "_UNSIGNED" THEN internaltype = 1
IF f3$ = "_BIT" THEN internaltype = 1
IF f3$ = "_BYTE" THEN internaltype = 1
IF f3$ = "INTEGER" THEN internaltype = 1
IF f3$ = "LONG" THEN internaltype = 1
IF f3$ = "_INTEGER64" THEN internaltype = 1
IF f3$ = "SINGLE" THEN internaltype = 1
IF f3$ = "DOUBLE" THEN internaltype = 1
IF f3$ = "_FLOAT" THEN internaltype = 1
IF f3$ = "_OFFSET" THEN internaltype = 1
IF internaltype = 1 THEN
f2$ = f3$
removeelements a$, i, i, 0
insertelements a$, i - 1, f3$
GOTO classdone
END IF
GOTO classdone
END IF 'alphanumeric
classdone:
f$ = f$ + f2$
END IF 'b=0
f$ = f$ + sp
classdone_special:
NEXT
IF LEN(f$) THEN f$ = LEFT$(f$, LEN(f$) - 1) 'remove trailing 'sp'
IF Debug THEN PRINT #9, "fixoperationorder:identification:" + a$, n
IF Debug THEN PRINT #9, "fixoperationorder:identification(layout):" + f$, n
'----------------I. Pass (){}bracketed items (if any) to fixoperationorder & build return----------------
'note: items seperated by commas are done seperately
ff$ = ""
b = 0
b2 = 0
p1 = 0 'where level 1 began
aa$ = ""
n = numelements(a$)
FOR i = 1 TO n
openbracket = 0
a2$ = getelement(a$, i)
c = ASC(a2$)
IF c = 40 OR c = 123 THEN '({
b = b + 1
IF b = 1 THEN
p1 = i + 1
aa$ = aa$ + "(" + sp
END IF
openbracket = 1
GOTO foopass
END IF '({
IF c = 44 THEN ',
IF b = 1 THEN
GOTO foopassit
END IF
END IF
IF c = 41 OR c = 125 THEN ')}
b = b - 1
IF b = 0 THEN
foopassit:
IF p1 <> i THEN
foo$ = fixoperationorder(getelements(a$, p1, i - 1))
IF Error_Happened THEN EXIT FUNCTION
IF LEN(foo$) THEN
aa$ = aa$ + foo$ + sp
IF c = 125 THEN ff$ = ff$ + tlayout$ + sp ELSE ff$ = ff$ + tlayout$ + sp2 'spacing between ) } , varies
END IF
END IF
IF c = 44 THEN aa$ = aa$ + "," + sp: ff$ = ff$ + "," + sp ELSE aa$ = aa$ + ")" + sp
p1 = i + 1
END IF
GOTO foopass
END IF ')}
IF b = 0 THEN aa$ = aa$ + a2$ + sp
foopass:
f2$ = getelementspecial(f$, i)
IF Error_Happened THEN EXIT FUNCTION
IF LEN(f2$) THEN
'use sp2 to join items connected by a period
IF c = 46 THEN '"."
IF i > 1 AND i < n THEN 'stupidity check
IF LEN(ff$) THEN MID$(ff$, LEN(ff$), 1) = sp2 'convert last spacer to a sp2
ff$ = ff$ + "." + sp2
GOTO fooloopnxt
END IF
END IF
'spacing just before (
IF openbracket THEN
'convert last spacer?
IF i <> 1 THEN
IF isoperator(getelement$(a$, i - 1)) = 0 THEN
MID$(ff$, LEN(ff$), 1) = sp2
END IF
END IF
ff$ = ff$ + f2$ + sp2
ELSE 'not openbracket
ff$ = ff$ + f2$ + sp
END IF
END IF 'len(f2$)
fooloopnxt:
NEXT
IF LEN(aa$) THEN aa$ = LEFT$(aa$, LEN(aa$) - 1)
IF LEN(ff$) THEN ff$ = LEFT$(ff$, LEN(ff$) - 1)
IF Debug THEN PRINT #9, "fixoperationorder:return:" + aa$
IF Debug THEN PRINT #9, "fixoperationorder:layout:" + ff$
tlayout$ = ff$
fixoperationorder$ = aa$
fooindwel = fooindwel - 1
END FUNCTION
FUNCTION getelementspecial$ (savea$, elenum)
a$ = savea$
IF a$ = "" THEN EXIT FUNCTION 'no elements!
n = 1
p = 1
getelementspecialnext:
i = INSTR(p, a$, sp)
'avoid sp inside "..."
i2 = INSTR(p, a$, CHR$(34))
IF i2 < i AND i2 <> 0 THEN
i3 = INSTR(i2 + 1, a$, CHR$(34)): IF i3 = 0 THEN Give_Error "Expected " + CHR$(34): EXIT FUNCTION
i = INSTR(i3, a$, sp)
END IF
IF elenum = n THEN
IF i THEN
getelementspecial$ = MID$(a$, p, i - p)
ELSE
getelementspecial$ = RIGHT$(a$, LEN(a$) - p + 1)
END IF
EXIT FUNCTION
END IF
IF i = 0 THEN EXIT FUNCTION 'no more elements!
n = n + 1
p = i + 1
GOTO getelementspecialnext
END FUNCTION
FUNCTION getelement$ (a$, elenum)
IF a$ = "" THEN EXIT FUNCTION 'no elements!
n = 1
p = 1
getelementnext:
i = INSTR(p, a$, sp)
IF elenum = n THEN
IF i THEN
getelement$ = MID$(a$, p, i - p)
ELSE
getelement$ = RIGHT$(a$, LEN(a$) - p + 1)
END IF
EXIT FUNCTION
END IF
IF i = 0 THEN EXIT FUNCTION 'no more elements!
n = n + 1
p = i + 1
GOTO getelementnext
END FUNCTION
FUNCTION getelements$ (a$, i1, i2)
IF i2 < i1 THEN getelements$ = "": EXIT FUNCTION
n = 1
p = 1
getelementsnext:
i = INSTR(p, a$, sp)
IF n = i1 THEN
i1pos = p
END IF
IF n = i2 THEN
IF i THEN
getelements$ = MID$(a$, i1pos, i - i1pos)
ELSE
getelements$ = RIGHT$(a$, LEN(a$) - i1pos + 1)
END IF
EXIT FUNCTION
END IF
n = n + 1
p = i + 1
GOTO getelementsnext
END FUNCTION
SUB getid (i AS LONG)
IF i = -1 THEN Give_Error "-1 passed to getid!": EXIT SUB
id = ids(i)
currentid = i
END SUB
SUB insertelements (a$, i, elements$)
IF i = 0 THEN
IF a$ = "" THEN
a$ = elements$
EXIT SUB
END IF
a$ = elements$ + sp + a$
EXIT SUB
END IF
a2$ = ""
n = numelements(a$)
FOR i2 = 1 TO n
IF i2 > 1 THEN a2$ = a2$ + sp
a2$ = a2$ + getelement$(a$, i2)
IF i = i2 THEN a2$ = a2$ + sp + elements$
NEXT
a$ = a2$
END SUB
FUNCTION isnumber (a$)
IF LEN(a$) = 0 THEN EXIT FUNCTION
FOR i = 1 TO LEN(a$)
a = ASC(MID$(a$, i, 1))
IF a = 45 THEN
IF i <> 1 THEN EXIT FUNCTION
GOTO isnumok
END IF
IF a = 46 THEN
IF dp = 1 THEN EXIT FUNCTION
dp = 1
GOTO isnumok
END IF
IF a >= 48 AND a <= 57 THEN v = 1: GOTO isnumok
EXIT FUNCTION
isnumok:
NEXT
isnumber = 1
END FUNCTION
FUNCTION isoperator (a2$)
a$ = UCASE$(a2$)
l = 0
l = l + 1: IF a$ = "IMP" THEN GOTO opfound
l = l + 1: IF a$ = "EQV" THEN GOTO opfound
l = l + 1: IF a$ = "XOR" THEN GOTO opfound
l = l + 1: IF a$ = "OR" THEN GOTO opfound
l = l + 1: IF a$ = "AND" THEN GOTO opfound
l = l + 1: IF a$ = "NOT" THEN GOTO opfound
l = l + 1
IF a$ = "=" THEN GOTO opfound
IF a$ = ">" THEN GOTO opfound
IF a$ = "<" THEN GOTO opfound
IF a$ = "<>" THEN GOTO opfound
IF a$ = "<=" THEN GOTO opfound
IF a$ = ">=" THEN GOTO opfound
l = l + 1
IF a$ = "+" THEN GOTO opfound
IF a$ = "-" THEN GOTO opfound '!CAREFUL! could be negation
l = l + 1: IF a$ = "MOD" THEN GOTO opfound
l = l + 1: IF a$ = "\" THEN GOTO opfound
l = l + 1
IF a$ = "*" THEN GOTO opfound
IF a$ = "/" THEN GOTO opfound
'NEGATION LEVEL (MUST BE SET AFTER CALLING ISOPERATOR BY CONTEXT)
l = l + 1: IF a$ = CHR$(241) THEN GOTO opfound
l = l + 1: IF a$ = "^" THEN GOTO opfound
EXIT FUNCTION
opfound:
isoperator = l
END FUNCTION
FUNCTION isuinteger (i$)
IF LEN(i$) = 0 THEN EXIT FUNCTION
IF ASC(i$, 1) = 48 AND LEN(i$) > 1 THEN EXIT FUNCTION
FOR c = 1 TO LEN(i$)
v = ASC(i$, c)
IF v < 48 OR v > 57 THEN EXIT FUNCTION
NEXT
isuinteger = -1
END FUNCTION
FUNCTION isvalidvariable (a$)
FOR i = 1 TO LEN(a$)
c = ASC(a$, i)
t = 0
IF c >= 48 AND c <= 57 THEN t = 1 'numeric
IF c >= 65 AND c <= 90 THEN t = 2 'uppercase
IF c >= 97 AND c <= 122 THEN t = 2 'lowercase
IF c = 95 THEN t = 2 '_ underscore
IF t = 2 OR (t = 1 AND i > 1) THEN
'valid (continue)
ELSE
IF i = 1 THEN isvalidvariable = 0: EXIT FUNCTION
EXIT FOR
END IF
NEXT
isvalidvariable = 1
IF i > n THEN EXIT FUNCTION
e$ = RIGHT$(a$, LEN(a$) - i - 1)
IF e$ = "%%" OR e$ = "~%%" THEN EXIT FUNCTION
IF e$ = "%" OR e$ = "~%" THEN EXIT FUNCTION
IF e$ = "&" OR e$ = "~&" THEN EXIT FUNCTION
IF e$ = "&&" OR e$ = "~&&" THEN EXIT FUNCTION
IF e$ = "!" OR e$ = "#" OR e$ = "##" THEN EXIT FUNCTION
IF e$ = "$" THEN EXIT FUNCTION
IF e$ = "`" THEN EXIT FUNCTION
IF LEFT$(e$, 1) <> "$" AND LEFT$(e$, 1) <> "`" THEN isvalidvariable = 0: EXIT FUNCTION
e$ = RIGHT$(e$, LEN(e$) - 1)
IF isuinteger(e$) THEN isvalidvariable = 1: EXIT FUNCTION
isvalidvariable = 0
END FUNCTION
FUNCTION lineformat$ (a$)
a2$ = ""
linecontinuation = 0
continueline:
a$ = a$ + " " 'add 2 extra spaces to make reading next char easier
ca$ = a$
a$ = UCASE$(a$)
n = LEN(a$)
i = 1
lineformatnext:
IF i >= n THEN GOTO lineformatdone
c = ASC(a$, i)
c$ = CHR$(c) '***remove later***
'----------------quoted string----------------
IF c = 34 THEN '"
a2$ = a2$ + sp + CHR$(34)
p1 = i + 1
FOR i2 = i + 1 TO n - 2
c2 = ASC(a$, i2)
IF c2 = 34 THEN
a2$ = a2$ + MID$(ca$, p1, i2 - p1 + 1) + "," + str2$(i2 - (i + 1))
i = i2 + 1
EXIT FOR
END IF
IF c2 = 92 THEN '\
a2$ = a2$ + MID$(ca$, p1, i2 - p1) + "\\"
p1 = i2 + 1
END IF
IF c2 < 32 OR c2 > 126 THEN
o$ = OCT$(c2)
IF LEN(o$) < 3 THEN
o$ = "0" + o$
IF LEN(o$) < 3 THEN o$ = "0" + o$
END IF
a2$ = a2$ + MID$(ca$, p1, i2 - p1) + "\" + o$
p1 = i2 + 1
END IF
NEXT
IF i2 = n - 1 THEN 'no closing "
a2$ = a2$ + MID$(ca$, p1, (n - 2) - p1 + 1) + CHR$(34) + "," + str2$((n - 2) - (i + 1) + 1)
i = n - 1
END IF
GOTO lineformatnext
END IF
'----------------number----------------
firsti = i
IF c = 46 THEN
c2$ = MID$(a$, i + 1, 1): c2 = ASC(c2$)
IF (c2 >= 48 AND c2 <= 57) THEN GOTO lfnumber
END IF
IF (c >= 48 AND c <= 57) THEN '0-9
lfnumber:
'handle 'IF a=1 THEN a=2 ELSE 100' by assuming numeric after ELSE to be a
IF RIGHT$(a2$, 5) = sp + "ELSE" THEN
a2$ = a2$ + sp + "GOTO"
END IF
'Number will be converted to the following format:
' 999999 . 99999 E + 999
'[whole$][dp(0/1)][frac$][ed(1/2)][pm(1/-1)][ex$]
' 0 1 2 3 <-mode
mode = 0
whole$ = ""
dp = 0
frac$ = ""
ed = 0 'E=1, D=2, F=3
pm = 1
ex$ = ""
lfreadnumber:
valid = 0
IF c = 46 THEN
IF mode = 0 THEN valid = 1: dp = 1: mode = 1
END IF
IF c >= 48 AND c <= 57 THEN '0-9
valid = 1
IF mode = 0 THEN whole$ = whole$ + c$
IF mode = 1 THEN frac$ = frac$ + c$
IF mode = 2 THEN mode = 3
IF mode = 3 THEN ex$ = ex$ + c$
END IF
IF c = 69 OR c = 68 OR c = 70 THEN 'E,D,F
IF mode < 2 THEN
valid = 1
IF c = 69 THEN ed = 1
IF c = 68 THEN ed = 2
IF c = 70 THEN ed = 3
mode = 2
END IF
END IF
IF c = 43 OR c = 45 THEN '+,-
IF mode = 2 THEN
valid = 1
IF c = 45 THEN pm = -1
mode = 3
END IF
END IF
IF valid THEN
IF i <= n THEN i = i + 1: c$ = MID$(a$, i, 1): c = ASC(c$): GOTO lfreadnumber
END IF
'cull leading 0s off whole$
DO WHILE LEFT$(whole$, 1) = "0": whole$ = RIGHT$(whole$, LEN(whole$) - 1): LOOP
'cull trailing 0s off frac$
DO WHILE RIGHT$(frac$, 1) = "0": frac$ = LEFT$(frac$, LEN(frac$) - 1): LOOP
'cull leading 0s off ex$
DO WHILE LEFT$(ex$, 1) = "0": ex$ = RIGHT$(ex$, LEN(ex$) - 1): LOOP
IF dp <> 0 OR ed <> 0 THEN float = 1 ELSE float = 0
extused = 1
IF ed THEN e$ = "": GOTO lffoundext 'no extensions valid after E/D/F specified
'3-character extensions
IF i <= n - 2 THEN
e$ = MID$(a$, i, 3)
IF e$ = "~%%" AND float = 0 THEN i = i + 3: GOTO lffoundext
IF e$ = "~&&" AND float = 0 THEN i = i + 3: GOTO lffoundext
IF e$ = "~%&" AND float = 0 THEN Give_Error "Cannot use _OFFSET symbols after numbers": EXIT FUNCTION
END IF
'2-character extensions
IF i <= n - 1 THEN
e$ = MID$(a$, i, 2)
IF e$ = "%%" AND float = 0 THEN i = i + 2: GOTO lffoundext
IF e$ = "~%" AND float = 0 THEN i = i + 2: GOTO lffoundext
IF e$ = "&&" AND float = 0 THEN i = i + 2: GOTO lffoundext
IF e$ = "~&" AND float = 0 THEN i = i + 2: GOTO lffoundext
IF e$ = "%&" AND float = 0 THEN Give_Error "Cannot use _OFFSET symbols after numbers": EXIT FUNCTION
IF e$ = "##" THEN
i = i + 2
ed = 3
e$ = ""
GOTO lffoundext
END IF
IF e$ = "~`" THEN
i = i + 2
GOTO lffoundbitext
END IF
END IF
'1-character extensions
IF i <= n THEN
e$ = MID$(a$, i, 1)
IF e$ = "%" AND float = 0 THEN i = i + 1: GOTO lffoundext
IF e$ = "&" AND float = 0 THEN i = i + 1: GOTO lffoundext
IF e$ = "!" THEN
i = i + 1
ed = 1
e$ = ""
GOTO lffoundext
END IF
IF e$ = "#" THEN
i = i + 1
ed = 2
e$ = ""
GOTO lffoundext
END IF
IF e$ = "`" THEN
i = i + 1
lffoundbitext:
bitn$ = ""
DO WHILE i <= n
c2 = ASC(MID$(a$, i, 1))
IF c2 >= 48 AND c2 <= 57 THEN
bitn$ = bitn$ + CHR$(c2)
i = i + 1
ELSE
EXIT DO
END IF
LOOP
IF bitn$ = "" THEN bitn$ = "1"
'cull leading 0s off bitn$
DO WHILE LEFT$(bitn$, 1) = "0": bitn$ = RIGHT$(bitn$, LEN(bitn$) - 1): LOOP
e$ = e$ + bitn$
GOTO lffoundext
END IF
END IF
IF float THEN 'floating point types CAN be assumed
'calculate first significant digit offset & number of significant digits
IF whole$ <> "" THEN
offset = LEN(whole$) - 1
sigdigits = LEN(whole$) + LEN(frac$)
ELSE
IF frac$ <> "" THEN
offset = -1
sigdigits = LEN(frac$)
FOR i2 = 1 TO LEN(frac$)
IF MID$(frac$, i2, 1) <> "0" THEN EXIT FOR
offset = offset - 1
sigdigits = sigdigits - 1
NEXT
ELSE
'number is 0
offset = 0
sigdigits = 0
END IF
END IF
sigdig$ = RIGHT$(whole$ + frac$, sigdigits)
'SINGLE?
IF sigdigits <= 7 THEN 'QBASIC interprets anything with more than 7 sig. digits as a DOUBLE
IF offset <= 38 AND offset >= -38 THEN 'anything outside this range cannot be represented as a SINGLE
IF offset = 38 THEN
IF sigdig$ > "3402823" THEN GOTO lfxsingle
END IF
IF offset = -38 THEN
IF sigdig$ < "1175494" THEN GOTO lfxsingle
END IF
ed = 1
e$ = ""
GOTO lffoundext
END IF
END IF
lfxsingle:
'DOUBLE?
IF sigdigits <= 16 THEN 'QB64 handles DOUBLES with 16-digit precision
IF offset <= 308 AND offset >= -308 THEN 'anything outside this range cannot be represented as a DOUBLE
IF offset = 308 THEN
IF sigdig$ > "1797693134862315" THEN GOTO lfxdouble
END IF
IF offset = -308 THEN
IF sigdig$ < "2225073858507201" THEN GOTO lfxdouble
END IF
ed = 2
e$ = ""
GOTO lffoundext
END IF
END IF
lfxdouble:
'assume _FLOAT
ed = 3
e$ = "": GOTO lffoundext
END IF
extused = 0
e$ = ""
lffoundext:
'make sure a leading numberic character exists
IF whole$ = "" THEN whole$ = "0"
'if a float, ensure frac$<>"" and dp=1
IF float THEN
dp = 1
IF frac$ = "" THEN frac$ = "0"
END IF
'if ed is specified, make sure ex$ exists
IF ed <> 0 AND ex$ = "" THEN ex$ = "0"
a2$ = a2$ + sp
a2$ = a2$ + whole$
IF dp THEN a2$ = a2$ + "." + frac$
IF ed THEN
IF ed = 1 THEN a2$ = a2$ + "E"
IF ed = 2 THEN a2$ = a2$ + "D"
IF ed = 3 THEN a2$ = a2$ + "F"
IF pm = -1 AND ex$ <> "0" THEN a2$ = a2$ + "-" ELSE a2$ = a2$ + "+"
a2$ = a2$ + ex$
END IF
a2$ = a2$ + e$
IF extused THEN a2$ = a2$ + "," + MID$(a$, firsti, i - firsti)
GOTO lineformatnext
END IF
'----------------(number)&H...----------------
'note: the final value, not the number of hex characters, sets the default type
IF c = 38 THEN '&
IF MID$(a$, i + 1, 1) = "H" THEN
i = i + 2
hx$ = ""
lfreadhex:
IF i <= n THEN
c$ = MID$(a$, i, 1): c = ASC(c$)
IF (c >= 48 AND c <= 57) OR (c >= 65 AND c <= 70) THEN hx$ = hx$ + c$: i = i + 1: GOTO lfreadhex
END IF
fullhx$ = "&H" + hx$
'cull leading 0s off hx$
DO WHILE LEFT$(hx$, 1) = "0": hx$ = RIGHT$(hx$, LEN(hx$) - 1): LOOP
IF hx$ = "" THEN hx$ = "0"
bitn$ = ""
'3-character extensions
IF i <= n - 2 THEN
e$ = MID$(a$, i, 3)
IF e$ = "~%%" THEN i = i + 3: GOTO lfhxext
IF e$ = "~&&" THEN i = i + 3: GOTO lfhxext
IF e$ = "~%&" THEN Give_Error "Cannot use _OFFSET symbols after numbers": EXIT FUNCTION
END IF
'2-character extensions
IF i <= n - 1 THEN
e$ = MID$(a$, i, 2)
IF e$ = "%%" THEN i = i + 2: GOTO lfhxext
IF e$ = "~%" THEN i = i + 2: GOTO lfhxext
IF e$ = "&&" THEN i = i + 2: GOTO lfhxext
IF e$ = "%&" THEN Give_Error "Cannot use _OFFSET symbols after numbers": EXIT FUNCTION
IF e$ = "~&" THEN i = i + 2: GOTO lfhxext
IF e$ = "~`" THEN
i = i + 2
GOTO lfhxbitext
END IF
END IF
'1-character extensions
IF i <= n THEN
e$ = MID$(a$, i, 1)
IF e$ = "%" THEN i = i + 1: GOTO lfhxext
IF e$ = "&" THEN i = i + 1: GOTO lfhxext
IF e$ = "`" THEN
i = i + 1
lfhxbitext:
DO WHILE i <= n
c2 = ASC(MID$(a$, i, 1))
IF c2 >= 48 AND c2 <= 57 THEN
bitn$ = bitn$ + CHR$(c2)
i = i + 1
ELSE
EXIT DO
END IF
LOOP
IF bitn$ = "" THEN bitn$ = "1"
'cull leading 0s off bitn$
DO WHILE LEFT$(bitn$, 1) = "0": bitn$ = RIGHT$(bitn$, LEN(bitn$) - 1): LOOP
GOTO lfhxext
END IF
END IF
'if no valid extension context was given, assume one
'note: leading 0s have been culled, so LEN(hx$) reflects its values size
e$ = "&&"
IF LEN(hx$) <= 8 THEN e$ = "&" 'as in QBASIC, signed values must be used
IF LEN(hx$) <= 4 THEN e$ = "%" 'as in QBASIC, signed values must be used
GOTO lfhxext2
lfhxext:
fullhx$ = fullhx$ + e$ + bitn$
lfhxext2:
'build 8-byte unsigned integer rep. of hx$
IF LEN(hx$) > 16 THEN Give_Error "Overflow": EXIT FUNCTION
v~&& = 0
FOR i2 = 1 TO LEN(hx$)
v2 = ASC(MID$(hx$, i2, 1))
IF v2 <= 57 THEN v2 = v2 - 48 ELSE v2 = v2 - 65 + 10
v~&& = v~&& * 16 + v2
NEXT
finishhexoctbin:
num$ = str2u64$(v~&&) 'correct for unsigned values (overflow of unsigned can be checked later)
IF LEFT$(e$, 1) <> "~" THEN 'note: range checking will be performed later in fixop.order
'signed
IF e$ = "%%" THEN
IF v~&& > 127 THEN
IF v~&& > 255 THEN Give_Error "Overflow": EXIT FUNCTION
v~&& = ((NOT v~&&) AND 255) + 1
num$ = "-" + sp + str2u64$(v~&&)
END IF
END IF
IF e$ = "%" THEN
IF v~&& > 32767 THEN
IF v~&& > 65535 THEN Give_Error "Overflow": EXIT FUNCTION
v~&& = ((NOT v~&&) AND 65535) + 1
num$ = "-" + sp + str2u64$(v~&&)
END IF
END IF
IF e$ = "&" THEN
IF v~&& > 2147483647 THEN
IF v~&& > 4294967295 THEN Give_Error "Overflow": EXIT FUNCTION
v~&& = ((NOT v~&&) AND 4294967295) + 1
num$ = "-" + sp + str2u64$(v~&&)
END IF
END IF
IF e$ = "&&" THEN
IF v~&& > 9223372036854775807 THEN
'note: no error checking necessary
v~&& = (NOT v~&&) + 1
num$ = "-" + sp + str2u64$(v~&&)
END IF
END IF
IF e$ = "`" THEN
vbitn = VAL(bitn$)
h~&& = 1: FOR i2 = 1 TO vbitn - 1: h~&& = h~&& * 2: NEXT: h~&& = h~&& - 1 'build h~&&
IF v~&& > h~&& THEN
h~&& = 1: FOR i2 = 1 TO vbitn: h~&& = h~&& * 2: NEXT: h~&& = h~&& - 1 'build h~&&
IF v~&& > h~&& THEN Give_Error "Overflow": EXIT FUNCTION
v~&& = ((NOT v~&&) AND h~&&) + 1
num$ = "-" + sp + str2u64$(v~&&)
END IF
END IF
END IF '<>"~"
a2$ = a2$ + sp + num$ + e$ + bitn$ + "," + fullhx$
GOTO lineformatnext
END IF
END IF
'----------------(number)&O...----------------
'note: the final value, not the number of oct characters, sets the default type
IF c = 38 THEN '&
IF MID$(a$, i + 1, 1) = "O" THEN
i = i + 2
'note: to avoid mistakes, hx$ is used instead of 'ot$'
hx$ = ""
lfreadoct:
IF i <= n THEN
c$ = MID$(a$, i, 1): c = ASC(c$)
IF c >= 48 AND c <= 55 THEN hx$ = hx$ + c$: i = i + 1: GOTO lfreadoct
END IF
fullhx$ = "&O" + hx$
'cull leading 0s off hx$
DO WHILE LEFT$(hx$, 1) = "0": hx$ = RIGHT$(hx$, LEN(hx$) - 1): LOOP
IF hx$ = "" THEN hx$ = "0"
bitn$ = ""
'3-character extensions
IF i <= n - 2 THEN
e$ = MID$(a$, i, 3)
IF e$ = "~%%" THEN i = i + 3: GOTO lfotext
IF e$ = "~&&" THEN i = i + 3: GOTO lfotext
IF e$ = "~%&" THEN Give_Error "Cannot use _OFFSET symbols after numbers": EXIT FUNCTION
END IF
'2-character extensions
IF i <= n - 1 THEN
e$ = MID$(a$, i, 2)
IF e$ = "%%" THEN i = i + 2: GOTO lfotext
IF e$ = "~%" THEN i = i + 2: GOTO lfotext
IF e$ = "&&" THEN i = i + 2: GOTO lfotext
IF e$ = "%&" THEN Give_Error "Cannot use _OFFSET symbols after numbers": EXIT FUNCTION
IF e$ = "~&" THEN i = i + 2: GOTO lfotext
IF e$ = "~`" THEN
i = i + 2
GOTO lfotbitext
END IF
END IF
'1-character extensions
IF i <= n THEN
e$ = MID$(a$, i, 1)
IF e$ = "%" THEN i = i + 1: GOTO lfotext
IF e$ = "&" THEN i = i + 1: GOTO lfotext
IF e$ = "`" THEN
i = i + 1
lfotbitext:
bitn$ = ""
DO WHILE i <= n
c2 = ASC(MID$(a$, i, 1))
IF c2 >= 48 AND c2 <= 57 THEN
bitn$ = bitn$ + CHR$(c2)
i = i + 1
ELSE
EXIT DO
END IF
LOOP
IF bitn$ = "" THEN bitn$ = "1"
'cull leading 0s off bitn$
DO WHILE LEFT$(bitn$, 1) = "0": bitn$ = RIGHT$(bitn$, LEN(bitn$) - 1): LOOP
GOTO lfotext
END IF
END IF
'if no valid extension context was given, assume one
'note: leading 0s have been culled, so LEN(hx$) reflects its values size
e$ = "&&"
'37777777777
IF LEN(hx$) <= 11 THEN
IF LEN(hx$) < 11 OR ASC(LEFT$(hx$, 1)) <= 51 THEN e$ = "&"
END IF
'177777
IF LEN(hx$) <= 6 THEN
IF LEN(hx$) < 6 OR LEFT$(hx$, 1) = "1" THEN e$ = "%"
END IF
GOTO lfotext2
lfotext:
fullhx$ = fullhx$ + e$ + bitn$
lfotext2:
'build 8-byte unsigned integer rep. of hx$
'1777777777777777777777 (22 digits)
IF LEN(hx$) > 22 THEN Give_Error "Overflow": EXIT FUNCTION
IF LEN(hx$) = 22 THEN
IF LEFT$(hx$, 1) <> "1" THEN Give_Error "Overflow": EXIT FUNCTION
END IF
'********change v& to v~&&********
v~&& = 0
FOR i2 = 1 TO LEN(hx$)
v2 = ASC(MID$(hx$, i2, 1))
v2 = v2 - 48
v~&& = v~&& * 8 + v2
NEXT
GOTO finishhexoctbin
END IF
END IF
'----------------(number)&B...----------------
'note: the final value, not the number of bin characters, sets the default type
IF c = 38 THEN '&
IF MID$(a$, i + 1, 1) = "B" THEN
i = i + 2
'note: to avoid mistakes, hx$ is used instead of 'bi$'
hx$ = ""
lfreadbin:
IF i <= n THEN
c$ = MID$(a$, i, 1): c = ASC(c$)
IF c >= 48 AND c <= 49 THEN hx$ = hx$ + c$: i = i + 1: GOTO lfreadbin
END IF
fullhx$ = "&B" + hx$
'cull leading 0s off hx$
DO WHILE LEFT$(hx$, 1) = "0": hx$ = RIGHT$(hx$, LEN(hx$) - 1): LOOP
IF hx$ = "" THEN hx$ = "0"
bitn$ = ""
'3-character extensions
IF i <= n - 2 THEN
e$ = MID$(a$, i, 3)
IF e$ = "~%%" THEN i = i + 3: GOTO lfbiext
IF e$ = "~&&" THEN i = i + 3: GOTO lfbiext
IF e$ = "~%&" THEN Give_Error "Cannot use _OFFSET symbols after numbers": EXIT FUNCTION
END IF
'2-character extensions
IF i <= n - 1 THEN
e$ = MID$(a$, i, 2)
IF e$ = "%%" THEN i = i + 2: GOTO lfbiext
IF e$ = "~%" THEN i = i + 2: GOTO lfbiext
IF e$ = "&&" THEN i = i + 2: GOTO lfbiext
IF e$ = "%&" THEN Give_Error "Cannot use _OFFSET symbols after numbers": EXIT FUNCTION
IF e$ = "~&" THEN i = i + 2: GOTO lfbiext
IF e$ = "~`" THEN
i = i + 2
GOTO lfbibitext
END IF
END IF
'1-character extensions
IF i <= n THEN
e$ = MID$(a$, i, 1)
IF e$ = "%" THEN i = i + 1: GOTO lfbiext
IF e$ = "&" THEN i = i + 1: GOTO lfbiext
IF e$ = "`" THEN
i = i + 1
lfbibitext:
bitn$ = ""
DO WHILE i <= n
c2 = ASC(MID$(a$, i, 1))
IF c2 >= 48 AND c2 <= 57 THEN
bitn$ = bitn$ + CHR$(c2)
i = i + 1
ELSE
EXIT DO
END IF
LOOP
IF bitn$ = "" THEN bitn$ = "1"
'cull leading 0s off bitn$
DO WHILE LEFT$(bitn$, 1) = "0": bitn$ = RIGHT$(bitn$, LEN(bitn$) - 1): LOOP
GOTO lfbiext
END IF
END IF
'if no valid extension context was given, assume one
'note: leading 0s have been culled, so LEN(hx$) reflects its values size
e$ = "&&"
IF LEN(hx$) <= 32 THEN e$ = "&"
IF LEN(hx$) <= 16 THEN e$ = "%"
GOTO lfbiext2
lfbiext:
fullhx$ = fullhx$ + e$ + bitn$
lfbiext2:
'build 8-byte unsigned integer rep. of hx$
IF LEN(hx$) > 64 THEN Give_Error "Overflow": EXIT FUNCTION
v~&& = 0
FOR i2 = 1 TO LEN(hx$)
v2 = ASC(MID$(hx$, i2, 1))
v2 = v2 - 48
v~&& = v~&& * 2 + v2
NEXT
GOTO finishhexoctbin
END IF
END IF
'----------------(number)&H??? error----------------
IF c = 38 THEN Give_Error "Expected &H... or &O...": EXIT FUNCTION
'----------------variable/name----------------
'*trailing _ is treated as a seperate line extension*
IF (c >= 65 AND c <= 90) OR c = 95 THEN 'A-Z(a-z) or _
IF c = 95 THEN p2 = 0 ELSE p2 = i
FOR i2 = i + 1 TO n
c2 = ASC(a$, i2)
IF NOT alphanumeric(c2) THEN EXIT FOR
IF c2 <> 95 THEN p2 = i2
NEXT
IF p2 THEN 'not just underscores!
'char is from i to p2
n2 = p2 - i + 1
a3$ = MID$(a$, i, n2)
'----(variable/name)rem----
IF n2 = 3 THEN
IF a3$ = "REM" THEN
i = i + n2
IF i < n THEN
c = ASC(a$, i)
IF c = 46 THEN a2$ = a2$ + sp + MID$(ca$, i - n2, n2): GOTO extcheck 'rem.Variable is a valid variable name in QB45
END IF
'note: In QBASIC 'IF cond THEN REM comment' counts as a single line IF statement, however use of ' instead of REM does not
IF UCASE$(RIGHT$(a2$, 5)) = sp + "THEN" THEN a2$ = a2$ + sp + "'" 'add nop
layoutcomment = "REM"
GOTO comment
END IF
END IF
'----(variable/name)data----
IF n2 = 4 THEN
IF a3$ = "DATA" THEN
x$ = ""
i = i + n2
IF i < n THEN
c = ASC(a$, i)
IF c = 46 THEN a2$ = a2$ + sp + MID$(ca$, i - n2, n2): GOTO extcheck 'data.Variable is a valid variable name in QB45
END IF
scan = 0
speechmarks = 0
commanext = 0
finaldata = 0
e$ = ""
p1 = 0
p2 = 0
nextdatachr:
IF i < n THEN
c = ASC(a$, i)
IF c = 9 OR c = 32 THEN
IF scan = 0 THEN GOTO skipwhitespace
END IF
IF c = 58 THEN '":"
IF speechmarks = 0 THEN finaldata = 1: GOTO adddata
END IF
IF c = 44 THEN '","
IF speechmarks = 0 THEN
adddata:
IF prepass = 0 THEN
IF p1 THEN
'FOR i2 = p1 TO p2
' DATA_add ASC(ca$, i2)
'NEXT
x$ = x$ + MID$(ca$, p1, p2 - p1 + 1)
END IF
'assume closing "
IF speechmarks THEN
'DATA_add 34
x$ = x$ + CHR$(34)
END IF
'append comma
'DATA_add 44
x$ = x$ + CHR$(44)
END IF
IF finaldata = 1 THEN GOTO finisheddata
e$ = ""
p1 = 0
p2 = 0
speechmarks = 0
scan = 0
commanext = 0
i = i + 1
GOTO nextdatachr
END IF
END IF '","
IF commanext = 1 THEN
IF c <> 32 AND c <> 9 THEN Give_Error "Expected , after quoted string in DATA statement": EXIT FUNCTION
END IF
IF c = 34 THEN
IF speechmarks = 1 THEN
commanext = 1
speechmarks = 0
END IF
IF scan = 0 THEN speechmarks = 1
END IF
scan = 1
IF p1 = 0 THEN p1 = i: p2 = i
IF c <> 9 AND c <> 32 THEN p2 = i
skipwhitespace:
i = i + 1: GOTO nextdatachr
END IF 'i 40 THEN Give_Error "Identifier longer than 40 character limit": EXIT FUNCTION
c3 = ASC(a$, i)
m = 0
IF c3 = 126 THEN '"~"
e2$ = MID$(a$, i + 1, 2)
IF e2$ = "&&" THEN e2$ = "~&&": GOTO lfgetve
IF e2$ = "%%" THEN e2$ = "~%%": GOTO lfgetve
IF e2$ = "%&" THEN e2$ = "~%&": GOTO lfgetve
e2$ = CHR$(ASC(e2$))
IF e2$ = "&" THEN e2$ = "~&": GOTO lfgetve
IF e2$ = "%" THEN e2$ = "~%": GOTO lfgetve
IF e2$ = "`" THEN m = 1: e2$ = "~`": GOTO lfgetve
END IF
IF c3 = 37 THEN
c4 = ASC(a$, i + 1)
IF c4 = 37 THEN e2$ = "%%": GOTO lfgetve
IF c4 = 38 THEN e2$ = "%&": GOTO lfgetve
e2$ = "%": GOTO lfgetve
END IF
IF c3 = 38 THEN
c4 = ASC(a$, i + 1)
IF c4 = 38 THEN e2$ = "&&": GOTO lfgetve
e2$ = "&": GOTO lfgetve
END IF
IF c3 = 33 THEN e2$ = "!": GOTO lfgetve
IF c3 = 35 THEN
c4 = ASC(a$, i + 1)
IF c4 = 35 THEN e2$ = "##": GOTO lfgetve
e2$ = "#": GOTO lfgetve
END IF
IF c3 = 36 THEN m = 1: e2$ = "$": GOTO lfgetve
IF c3 = 96 THEN m = 1: e2$ = "`": GOTO lfgetve
'(no symbol)
'cater for unusual names/labels (eg a.0b%)
IF ASC(a$, i) = 46 THEN '"."
c2 = ASC(a$, i + 1)
IF c2 >= 48 AND c2 <= 57 THEN
'scan until no further alphanumerics
p2 = i + 1
FOR i2 = i + 2 TO n
c = ASC(a$, i2)
IF NOT alphanumeric(c) THEN EXIT FOR
IF c <> 95 THEN p2 = i2 'don't including trailing _
NEXT
a2$ = a2$ + sp + "." + sp + MID$(ca$, i + 1, p2 - (i + 1) + 1) 'case sensitive
n2 = n2 + 1 + (p2 - (i + 1) + 1)
i = p2 + 1
GOTO extcheck 'it may have an extension or be continued with another "."
END IF
END IF
GOTO lineformatnext
lfgetve:
i = i + LEN(e2$)
a2$ = a2$ + e2$
IF m THEN 'allow digits after symbol
lfgetvd:
IF i < n THEN
c = ASC(a$, i)
IF c >= 48 AND c <= 57 THEN a2$ = a2$ + CHR$(c): i = i + 1: GOTO lfgetvd
END IF
END IF 'm
GOTO lineformatnext
END IF 'p2
END IF 'variable/name
'----------------variable/name end----------------
'----------------spacing----------------
IF c = 32 OR c = 9 THEN i = i + 1: GOTO lineformatnext
'----------------symbols----------------
'--------single characters--------
IF lfsinglechar(c) THEN
IF (c = 60) OR (c = 61) OR (c = 62) THEN
count = 0
DO
count = count + 1
IF i + count >= LEN(a$) - 2 THEN EXIT DO
LOOP UNTIL ASC(a$, i + count) <> 32
c2 = ASC(a$, i + count)
IF c = 60 THEN '<
IF c2 = 61 THEN a2$ = a2$ + sp + "<=": i = i + count + 1: GOTO lineformatnext
IF c2 = 62 THEN a2$ = a2$ + sp + "<>": i = i + count + 1: GOTO lineformatnext
ELSEIF c = 62 THEN '>
IF c2 = 61 THEN a2$ = a2$ + sp + ">=": i = i + count + 1: GOTO lineformatnext
IF c2 = 60 THEN a2$ = a2$ + sp + "<>": i = i + count + 1: GOTO lineformatnext '>< to <>
ELSEIF c = 61 THEN '=
IF c2 = 62 THEN a2$ = a2$ + sp + ">=": i = i + count + 1: GOTO lineformatnext '=> to >=
IF c2 = 60 THEN a2$ = a2$ + sp + "<=": i = i + count + 1: GOTO lineformatnext '=< to <=
END IF
END IF
IF c = 36 AND LEN(a2$) THEN GOTO badusage '$
a2$ = a2$ + sp + CHR$(c)
i = i + 1
GOTO lineformatnext
END IF
badusage:
IF c <> 39 THEN Give_Error "Unexpected character on line": EXIT FUNCTION 'invalid symbol encountered
'----------------comment(')----------------
layoutcomment = "'"
i = i + 1
comment:
IF i >= n THEN GOTO lineformatdone2
c$ = RIGHT$(a$, LEN(a$) - i + 1)
cc$ = RIGHT$(ca$, LEN(ca$) - i + 1)
IF LEN(c$) = 0 THEN GOTO lineformatdone2
layoutcomment$ = RTRIM$(layoutcomment$ + cc$)
c$ = LTRIM$(c$)
IF LEN(c$) = 0 THEN GOTO lineformatdone2
ac = ASC(c$)
IF ac <> 36 THEN GOTO lineformatdone2
nocasec$ = LTRIM$(RIGHT$(ca$, LEN(ca$) - i + 1))
memmode = 0
FOR x = 1 TO LEN(c$)
mcnext:
IF MID$(c$, x, 1) = "$" THEN
'note: $STATICksdcdweh$DYNAMIC is valid!
IF MID$(c$, x, 7) = "$STATIC" THEN
memmode = 1
xx = INSTR(x + 1, c$, "$")
if xx=0 then exit for else
x = xx: GOTO mcnext
END IF
IF MID$(c$, x, 8) = "$DYNAMIC" THEN
memmode = 2
xx = INSTR(x + 1, c$, "$")
IF xx = 0 THEN EXIT FOR
x = xx: GOTO mcnext
END IF
IF MID$(c$, x, 8) = "$INCLUDE" THEN
IF Cloud THEN Give_Error "Feature not supported on QLOUD": EXIT FUNCTION
'note: INCLUDE adds the file AFTER the line it is on has been processed
'note: No other metacommands can follow the INCLUDE metacommand!
'skip spaces until :
FOR xx = x + 8 TO LEN(c$)
ac = ASC(MID$(c$, xx, 1))
IF ac = 58 THEN EXIT FOR ':
IF ac <> 32 AND ac <> 9 THEN Give_Error "Expected $INCLUDE:'filename'": EXIT FUNCTION
NEXT
x = xx
'skip spaces until '
FOR xx = x + 1 TO LEN(c$)
ac = ASC(MID$(c$, xx, 1))
IF ac = 39 THEN EXIT FOR 'character:'
IF ac <> 32 AND ac <> 9 THEN Give_Error "Expected $INCLUDE:'filename'": EXIT FUNCTION
NEXT
x = xx
xx = INSTR(x + 1, c$, "'")
IF xx = 0 THEN Give_Error "Expected $INCLUDE:'filename'": EXIT FUNCTION
addmetainclude$ = MID$(nocasec$, x + 1, xx - x - 1)
IF addmetainclude$ = "" THEN Give_Error "Expected $INCLUDE:'filename'": EXIT FUNCTION
GOTO mcfinal
END IF
'add more metacommands here
END IF '$
NEXT
mcfinal:
IF memmode = 1 THEN addmetastatic = 1
IF memmode = 2 THEN addmetadynamic = 1
GOTO lineformatdone2
lineformatdone:
'line continuation?
'note: line continuation in idemode is illegal
IF LEN(a2$) THEN
IF RIGHT$(a2$, 1) = "_" THEN
linecontinuation = 1 'avoids auto-format glitches
layout$ = ""
'remove _ from the end of the building string
IF LEN(a2$) >= 2 THEN
IF RIGHT$(a2$, 2) = sp + "_" THEN a2$ = LEFT$(a2$, LEN(a2$) - 1)
END IF
a2$ = LEFT$(a2$, LEN(a2$) - 1)
IF inclevel THEN
fh = 99 + inclevel
IF EOF(fh) THEN GOTO lineformatdone2
LINE INPUT #fh, a$
inclinenumber(inclevel) = inclinenumber(inclevel) + 1
GOTO includecont 'note: should not increase linenumber
END IF
IF idemode THEN
idecommand$ = CHR$(100)
ignore = ide(0)
ideerror = 0
a$ = idereturn$
IF a$ = "" THEN GOTO lineformatdone2
ELSE
a$ = lineinput3$
IF a$ = CHR$(13) THEN GOTO lineformatdone2
END IF
linenumber = linenumber + 1
includecont:
contline = 1
GOTO continueline
END IF
END IF
lineformatdone2:
IF LEFT$(a2$, 1) = sp THEN a2$ = RIGHT$(a2$, LEN(a2$) - 1)
'fix for trailing : error
IF RIGHT$(a2$, 1) = ":" THEN a2$ = a2$ + sp + "'" 'add nop
IF Debug THEN PRINT #9, "lineformat():return:" + a2$
IF Error_Happened THEN EXIT FUNCTION
lineformat$ = a2$
END FUNCTION
SUB makeidrefer (ref$, typ AS LONG)
ref$ = str2$(currentid)
typ = id.t + ISREFERENCE
END SUB
FUNCTION numelements (a$)
IF a$ = "" THEN EXIT FUNCTION
n = 1
p = 1
numelementsnext:
i = INSTR(p, a$, sp)
IF i = 0 THEN numelements = n: EXIT FUNCTION
n = n + 1
p = i + 1
GOTO numelementsnext
END FUNCTION
FUNCTION operatorusage (operator$, typ AS LONG, info$, lhs AS LONG, rhs AS LONG, result AS LONG)
lhs = 7: rhs = 7: result = 0
'return values
'1 = use info$ as the operator without any other changes
'2 = use the function returned in info$ to apply this operator
' upon left and right side of equation
'3= bracket left and right side with negation and change operator to info$
'4= BINARY NOT l.h.s, then apply operator in info$
'5= UNARY, bracket up rhs, apply operator info$ to left, rebracket again
'lhs & rhs bit-field values
'1=integeral
'2=floating point
'4=string
'8=bool
'string operator
IF (typ AND ISSTRING) THEN
lhs = 4: rhs = 4
result = 4
IF operator$ = "+" THEN info$ = "qbs_add": operatorusage = 2: EXIT FUNCTION
result = 8
IF operator$ = "=" THEN info$ = "qbs_equal": operatorusage = 2: EXIT FUNCTION
IF operator$ = "<>" THEN info$ = "qbs_notequal": operatorusage = 2: EXIT FUNCTION
IF operator$ = ">" THEN info$ = "qbs_greaterthan": operatorusage = 2: EXIT FUNCTION
IF operator$ = "<" THEN info$ = "qbs_lessthan": operatorusage = 2: EXIT FUNCTION
IF operator$ = ">=" THEN info$ = "qbs_greaterorequal": operatorusage = 2: EXIT FUNCTION
IF operator$ = "<=" THEN info$ = "qbs_lessorequal": operatorusage = 2: EXIT FUNCTION
IF Debug THEN PRINT #9, "INVALID STRING OPERATOR!": END
END IF
'assume numeric operator
lhs = 1 + 2: rhs = 1 + 2
IF operator$ = "^" THEN result = 2: info$ = "pow2": operatorusage = 2: EXIT FUNCTION
IF operator$ = CHR$(241) THEN info$ = "-": operatorusage = 5: EXIT FUNCTION
IF operator$ = "/" THEN
info$ = "/ ": operatorusage = 1
'for / division, either the lhs or the rhs must be a float to make
'c++ return a result in floating point form
IF (typ AND ISFLOAT) THEN
'lhs is a float
lhs = 2
rhs = 1 + 2
ELSE
'lhs isn't a float!
lhs = 1 + 2
rhs = 2
END IF
result = 2
EXIT FUNCTION
END IF
IF operator$ = "*" THEN info$ = "*": operatorusage = 1: EXIT FUNCTION
IF operator$ = "+" THEN info$ = "+": operatorusage = 1: EXIT FUNCTION
IF operator$ = "-" THEN info$ = "-": operatorusage = 1: EXIT FUNCTION
result = 8
IF operator$ = "=" THEN info$ = "==": operatorusage = 3: EXIT FUNCTION
IF operator$ = ">" THEN info$ = ">": operatorusage = 3: EXIT FUNCTION
IF operator$ = "<" THEN info$ = "<": operatorusage = 3: EXIT FUNCTION
IF operator$ = "<>" THEN info$ = "!=": operatorusage = 3: EXIT FUNCTION
IF operator$ = "<=" THEN info$ = "<=": operatorusage = 3: EXIT FUNCTION
IF operator$ = ">=" THEN info$ = ">=": operatorusage = 3: EXIT FUNCTION
lhs = 1: rhs = 1: result = 1
IF operator$ = "MOD" THEN info$ = "%": operatorusage = 1: EXIT FUNCTION
IF operator$ = "\" THEN info$ = "/ ": operatorusage = 1: EXIT FUNCTION
IF operator$ = "IMP" THEN info$ = "|": operatorusage = 4: EXIT FUNCTION
IF operator$ = "EQV" THEN info$ = "^": operatorusage = 4: EXIT FUNCTION
IF operator$ = "XOR" THEN info$ = "^": operatorusage = 1: EXIT FUNCTION
IF operator$ = "OR" THEN info$ = "|": operatorusage = 1: EXIT FUNCTION
IF operator$ = "AND" THEN info$ = "&": operatorusage = 1: EXIT FUNCTION
lhs = 7
IF operator$ = "NOT" THEN info$ = "~": operatorusage = 5: EXIT FUNCTION
IF Debug THEN PRINT #9, "INVALID NUMBERIC OPERATOR!": END
END FUNCTION
FUNCTION refer$ (a2$, typ AS LONG, method AS LONG)
typbak = typ
'method: 0 return an equation which calculates the value of the "variable"
' 1 return the C name of the variable, typ will be left unchanged
a$ = a2$
'retrieve ID
i = INSTR(a$, sp3)
IF i THEN
idnumber = VAL(LEFT$(a$, i - 1)): a$ = RIGHT$(a$, LEN(a$) - i)
ELSE
idnumber = VAL(a$)
END IF
getid idnumber
IF Error_Happened THEN EXIT FUNCTION
'UDT?
IF typ AND ISUDT THEN
IF method = 1 THEN
n$ = "UDT_" + RTRIM$(id.n)
IF id.t = 0 THEN n$ = "ARRAY_" + n$
n$ = scope$ + n$
refer$ = n$
EXIT FUNCTION
END IF
'print "UDTSUBSTRING[idX|u|e|o]:"+a$
u = VAL(a$)
i = INSTR(a$, sp3): a$ = RIGHT$(a$, LEN(a$) - i): E = VAL(a$)
i = INSTR(a$, sp3): o$ = RIGHT$(a$, LEN(a$) - i)
n$ = "UDT_" + RTRIM$(id.n): IF id.t = 0 THEN n$ = "ARRAY_" + n$ + "[0]"
IF E = 0 THEN Give_Error "User defined types in expressions are invalid": EXIT FUNCTION
IF typ AND ISOFFSETINBITS THEN Give_Error "Cannot resolve bit-length variables inside user defined types yet": EXIT FUNCTION
IF typ AND ISSTRING THEN
o2$ = "(((uint8*)" + scope$ + n$ + ")+(" + o$ + "))"
r$ = "qbs_new_fixed(" + o2$ + "," + str2(udtetypesize(E)) + ",1)"
typ = STRINGTYPE + ISFIXEDLENGTH 'ISPOINTER retained, it is still a pointer!
ELSE
typ = typ - ISUDT - ISREFERENCE - ISPOINTER
IF typ AND ISARRAY THEN typ = typ - ISARRAY
t$ = typ2ctyp$(typ, "")
IF Error_Happened THEN EXIT FUNCTION
o2$ = "(((char*)" + scope$ + n$ + ")+(" + o$ + "))"
r$ = "*" + "(" + t$ + "*)" + o2$
END IF
'print "REFER:"+r$+","+str2$(typ)
refer$ = r$
EXIT FUNCTION
END IF
'array?
IF id.arraytype THEN
n$ = RTRIM$(id.callname)
IF method = 1 THEN
refer$ = n$
typ = typbak
EXIT FUNCTION
END IF
typ = typ - ISPOINTER - ISREFERENCE 'typ now looks like a regular value
IF (typ AND ISSTRING) THEN
IF (typ AND ISFIXEDLENGTH) THEN
offset$ = "&((uint8*)(" + n$ + "[0]))[(" + a$ + ")*" + str2(id.tsize) + "]"
r$ = "qbs_new_fixed(" + offset$ + "," + str2(id.tsize) + ",1)"
ELSE
r$ = "((qbs*)(((uint64*)(" + n$ + "[0]))[" + a$ + "]))"
END IF
stringprocessinghappened = 1
refer$ = r$
EXIT FUNCTION
END IF
IF (typ AND ISOFFSETINBITS) THEN
'IF (typ AND ISUNSIGNED) THEN r$ = "getubits_" ELSE r$ = "getbits_"
'r$ = r$ + str2(typ AND 511) + "("
IF (typ AND ISUNSIGNED) THEN r$ = "getubits" ELSE r$ = "getbits"
r$ = r$ + "(" + str2(typ AND 511) + ","
r$ = r$ + "(uint8*)(" + n$ + "[0])" + ","
r$ = r$ + a$ + ")"
refer$ = r$
EXIT FUNCTION
ELSE
t$ = ""
IF (typ AND ISFLOAT) THEN
IF (typ AND 511) = 32 THEN t$ = "float"
IF (typ AND 511) = 64 THEN t$ = "double"
IF (typ AND 511) = 256 THEN t$ = "long double"
ELSE
IF (typ AND ISUNSIGNED) THEN
IF (typ AND 511) = 8 THEN t$ = "uint8"
IF (typ AND 511) = 16 THEN t$ = "uint16"
IF (typ AND 511) = 32 THEN t$ = "uint32"
IF (typ AND 511) = 64 THEN t$ = "uint64"
IF typ AND ISOFFSET THEN t$ = "uptrszint"
ELSE
IF (typ AND 511) = 8 THEN t$ = "int8"
IF (typ AND 511) = 16 THEN t$ = "int16"
IF (typ AND 511) = 32 THEN t$ = "int32"
IF (typ AND 511) = 64 THEN t$ = "int64"
IF typ AND ISOFFSET THEN t$ = "ptrszint"
END IF
END IF
END IF
IF t$ = "" THEN Give_Error "Cannot find C type to return array data": EXIT FUNCTION
r$ = "((" + t$ + "*)(" + n$ + "[0]))[" + a$ + "]"
refer$ = r$
EXIT FUNCTION
END IF 'array
'variable?
IF id.t THEN
r$ = RTRIM$(id.n)
t = id.t
'remove irrelavant flags
IF (t AND ISINCONVENTIONALMEMORY) THEN t = t - ISINCONVENTIONALMEMORY
'string?
IF (t AND ISSTRING) THEN
IF (t AND ISFIXEDLENGTH) THEN
r$ = scope$ + "STRING" + str2(id.tsize) + "_" + r$: GOTO ref
END IF
r$ = scope$ + "STRING_" + r$: GOTO ref
END IF
'bit-length single variable?
IF (t AND ISOFFSETINBITS) THEN
IF (t AND ISUNSIGNED) THEN
r$ = "*" + scope$ + "UBIT" + str2(t AND 511) + "_" + r$
ELSE
r$ = "*" + scope$ + "BIT" + str2(t AND 511) + "_" + r$
END IF
GOTO ref
END IF
IF t = BYTETYPE THEN r$ = "*" + scope$ + "BYTE_" + r$: GOTO ref
IF t = UBYTETYPE THEN r$ = "*" + scope$ + "UBYTE_" + r$: GOTO ref
IF t = INTEGERTYPE THEN r$ = "*" + scope$ + "INTEGER_" + r$: GOTO ref
IF t = UINTEGERTYPE THEN r$ = "*" + scope$ + "UINTEGER_" + r$: GOTO ref
IF t = LONGTYPE THEN r$ = "*" + scope$ + "LONG_" + r$: GOTO ref
IF t = ULONGTYPE THEN r$ = "*" + scope$ + "ULONG_" + r$: GOTO ref
IF t = INTEGER64TYPE THEN r$ = "*" + scope$ + "INTEGER64_" + r$: GOTO ref
IF t = UINTEGER64TYPE THEN r$ = "*" + scope$ + "UINTEGER64_" + r$: GOTO ref
IF t = SINGLETYPE THEN r$ = "*" + scope$ + "SINGLE_" + r$: GOTO ref
IF t = DOUBLETYPE THEN r$ = "*" + scope$ + "DOUBLE_" + r$: GOTO ref
IF t = FLOATTYPE THEN r$ = "*" + scope$ + "FLOAT_" + r$: GOTO ref
IF t = OFFSETTYPE THEN r$ = "*" + scope$ + "OFFSET_" + r$: GOTO ref
IF t = UOFFSETTYPE THEN r$ = "*" + scope$ + "UOFFSET_" + r$: GOTO ref
ref:
IF (t AND ISSTRING) THEN stringprocessinghappened = 1
IF (t AND ISPOINTER) THEN t = t - ISPOINTER
typ = t
IF method = 1 THEN
IF LEFT$(r$, 1) = "*" THEN r$ = RIGHT$(r$, LEN(r$) - 1)
typ = typbak
END IF
refer$ = r$
EXIT FUNCTION
END IF 'variable
END FUNCTION
SUB regid
idn = idn + 1
IF idn > ids_max THEN
ids_max = ids_max * 2
REDIM _PRESERVE ids(1 TO ids_max) AS idstruct
REDIM _PRESERVE cmemlist(1 TO ids_max + 1) AS INTEGER
REDIM _PRESERVE sfcmemargs(1 TO ids_max + 1) AS STRING * 100
REDIM _PRESERVE arrayelementslist(1 TO ids_max + 1) AS INTEGER
END IF
n$ = RTRIM$(id.n)
IF reginternalsubfunc = 0 THEN
IF validname(n$) = 0 THEN Give_Error "Invalid name": EXIT SUB
END IF
'register case sensitive name if none given
IF ASC(id.cn) = 32 THEN
n$ = RTRIM$(id.n)
id.n = UCASE$(n$)
id.cn = n$
END IF
IF LEN(Refactor_Source) THEN
n$ = RTRIM$(id.n)
IF UCASE$(n$) = UCASE$(Refactor_Source) THEN
id.cn = Refactor_Dest
END IF
END IF
id.insubfunc = subfunc
id.insubfuncn = subfuncn
'note: cannot be STATIC and SHARED at the same time
IF dimshared THEN
id.share = dimshared
ELSE
IF dimstatic THEN id.staticscope = 1
END IF
ids(idn) = id
currentid = idn
'prepare hash flags and check for conflicts
hashflags = 1
'sub/function?
'Note: QBASIC does not allow: Internal type names (INTEGER,LONG,...)
IF id.subfunc THEN
ids(currentid).internal_subfunc = reginternalsubfunc
IF id.subfunc = 1 THEN hashflags = hashflags + HASHFLAG_FUNCTION ELSE hashflags = hashflags + HASHFLAG_SUB
IF reginternalsubfunc = 0 THEN 'allow internal definition of subs/functions without checks
hashchkflags = HASHFLAG_RESERVED + HASHFLAG_CONSTANT
IF id.subfunc = 1 THEN hashchkflags = hashchkflags + HASHFLAG_FUNCTION ELSE hashchkflags = hashchkflags + HASHFLAG_SUB
hashres = HashFind(n$, hashchkflags, hashresflags, hashresref)
DO WHILE hashres
IF hashres THEN
'Note: Numeric sub/function names like 'mid' do not clash with Internal string sub/function names
' like 'MID$' because MID$ always requires a '$'. For user defined string sub/function names
' the '$' would be optional so the rule should not be applied there.
allow = 0
IF hashresflags AND (HASHFLAG_FUNCTION + HASHFLAG_SUB) THEN
IF RTRIM$(ids(hashresref).musthave) = "$" THEN
IF INSTR(ids(currentid).mayhave, "$") = 0 THEN allow = 1
END IF
END IF
IF allow = 0 THEN Give_Error "Name already in use": EXIT SUB
END IF 'hashres
IF hashres <> 1 THEN hashres = HashFindCont(hashresflags, hashresref) ELSE hashres = 0
LOOP
IF idemode THEN
IF INSTR(listOfCustomKeywords$, "@" + UCASE$(n$) + "@") = 0 THEN
listOfCustomKeywords$ = listOfCustomKeywords$ + "@" + UCASE$(n$) + "@"
END IF
END IF
END IF 'reginternalsubfunc = 0
END IF
'variable?
IF id.t THEN
hashflags = hashflags + HASHFLAG_VARIABLE
IF reginternalvariable = 0 THEN
allow = 0
var_recheck:
IF ASC(id.musthave) = 32 THEN astype2 = 1 '"AS type" declaration?
scope2 = subfuncn
hashchkflags = HASHFLAG_RESERVED + HASHFLAG_SUB + HASHFLAG_FUNCTION + HASHFLAG_CONSTANT + HASHFLAG_VARIABLE
hashres = HashFind(n$, hashchkflags, hashresflags, hashresref)
DO WHILE hashres
'conflict with reserved word?
IF hashresflags AND HASHFLAG_RESERVED THEN
musthave$ = RTRIM$(id.musthave)
IF INSTR(musthave$, "$") THEN
'All reserved words can be used as variables in QBASIC if "$" is appended to the variable name!
'(allow)
ELSE
Give_Error "Name already in use": EXIT SUB 'Conflicts with reserved word
END IF
END IF 'HASHFLAG_RESERVED
'conflict with sub/function?
IF hashresflags AND (HASHFLAG_FUNCTION + HASHFLAG_SUB) THEN
IF ids(hashresref).internal_subfunc = 0 THEN Give_Error "Name already in use": EXIT SUB 'QBASIC doesn't allow a variable of the same name as a user-defined sub/func
IF RTRIM$(id.n) = "WIDTH" AND ids(hashresref).subfunc = 2 THEN GOTO varname_exception
musthave$ = RTRIM$(id.musthave)
IF LEN(musthave$) = 0 THEN
IF RTRIM$(ids(hashresref).musthave) = "$" THEN
'a sub/func requiring "$" can co-exist with implicit numeric variables
IF INSTR(id.mayhave, "$") THEN Give_Error "Name already in use": EXIT SUB
ELSE
Give_Error "Name already in use": EXIT SUB 'Implicitly defined variables cannot conflict with sub/func names
END IF
END IF 'len(musthave$)=0
IF INSTR(musthave$, "$") THEN
IF RTRIM$(ids(hashresref).musthave) = "$" THEN Give_Error "Name already in use": EXIT SUB 'A sub/function name already exists as a string
'(allow)
ELSE
IF RTRIM$(ids(hashresref).musthave) <> "$" THEN Give_Error "Name already in use": EXIT SUB 'A non-"$" sub/func name already exists with this name
END IF
END IF 'HASHFLAG_FUNCTION + HASHFLAG_SUB
'conflict with constant?
IF hashresflags AND HASHFLAG_CONSTANT THEN
scope1 = constsubfunc(hashresref)
IF (scope1 = 0 AND AllowLocalName = 0) OR scope1 = scope2 THEN Give_Error "Name already in use": EXIT SUB
END IF
'conflict with variable?
IF hashresflags AND HASHFLAG_VARIABLE THEN
astype1 = 0: IF ASC(ids(hashresref).musthave) = 32 THEN astype1 = 1
scope1 = ids(hashresref).insubfuncn
IF astype1 = 1 AND astype2 = 1 THEN
IF scope1 = scope2 THEN Give_Error "Name already in use": EXIT SUB
END IF
'same type?
IF id.t = ids(hashresref).t THEN
IF id.tsize = ids(hashresref).tsize THEN
IF scope1 = scope2 THEN Give_Error "Name already in use": EXIT SUB
END IF
END IF
'will astype'd fixed STRING-variable mask a non-fixed string?
IF id.t AND ISFIXEDLENGTH THEN
IF astype2 = 1 THEN
IF ids(hashresref).t AND ISSTRING THEN
IF (ids(hashresref).t AND ISFIXEDLENGTH) = 0 THEN
IF scope1 = scope2 THEN Give_Error "Name already in use": EXIT SUB
END IF
END IF
END IF
END IF
END IF
varname_exception:
IF hashres <> 1 THEN hashres = HashFindCont(hashresflags, hashresref) ELSE hashres = 0
LOOP
END IF 'reginternalvariable
END IF 'variable
'array?
IF id.arraytype THEN
hashflags = hashflags + HASHFLAG_ARRAY
allow = 0
ary_recheck:
scope2 = subfuncn
IF ASC(id.musthave) = 32 THEN astype2 = 1 '"AS type" declaration?
hashchkflags = HASHFLAG_RESERVED + HASHFLAG_SUB + HASHFLAG_FUNCTION + HASHFLAG_ARRAY
hashres = HashFind(n$, hashchkflags, hashresflags, hashresref)
DO WHILE hashres
'conflict with reserved word?
IF hashresflags AND HASHFLAG_RESERVED THEN
musthave$ = RTRIM$(id.musthave)
IF INSTR(musthave$, "$") THEN
'All reserved words can be used as variables in QBASIC if "$" is appended to the variable name!
'(allow)
ELSE
Give_Error "Name already in use": EXIT SUB 'Conflicts with reserved word
END IF
END IF 'HASHFLAG_RESERVED
'conflict with sub/function?
IF hashresflags AND (HASHFLAG_FUNCTION + HASHFLAG_SUB) THEN
IF ids(hashresref).internal_subfunc = 0 THEN Give_Error "Name already in use": EXIT SUB 'QBASIC doesn't allow a variable of the same name as a user-defined sub/func
IF RTRIM$(id.n) = "WIDTH" AND ids(hashresref).subfunc = 2 THEN GOTO arrayname_exception
musthave$ = RTRIM$(id.musthave)
IF LEN(musthave$) = 0 THEN
IF RTRIM$(ids(hashresref).musthave) = "$" THEN
'a sub/func requiring "$" can co-exist with implicit numeric variables
IF INSTR(id.mayhave, "$") THEN Give_Error "Name already in use": EXIT SUB
ELSE
Give_Error "Name already in use": EXIT SUB 'Implicitly defined variables cannot conflict with sub/func names
END IF
END IF 'len(musthave$)=0
IF INSTR(musthave$, "$") THEN
IF RTRIM$(ids(hashresref).musthave) = "$" THEN Give_Error "Name already in use": EXIT SUB 'A sub/function name already exists as a string
'(allow)
ELSE
IF RTRIM$(ids(hashresref).musthave) <> "$" THEN Give_Error "Name already in use": EXIT SUB 'A non-"$" sub/func name already exists with this name
END IF
END IF 'HASHFLAG_FUNCTION + HASHFLAG_SUB
'conflict with array?
IF hashresflags AND HASHFLAG_ARRAY THEN
astype1 = 0: IF ASC(ids(hashresref).musthave) = 32 THEN astype1 = 1
scope1 = ids(hashresref).insubfuncn
IF astype1 = 1 AND astype2 = 1 THEN
IF scope1 = scope2 THEN Give_Error "Name already in use": EXIT SUB
END IF
'same type?
IF id.arraytype = ids(hashresref).arraytype THEN
IF id.tsize = ids(hashresref).tsize THEN
IF scope1 = scope2 THEN Give_Error "Name already in use": EXIT SUB
END IF
END IF
'will astype'd fixed STRING-variable mask a non-fixed string?
IF id.arraytype AND ISFIXEDLENGTH THEN
IF astype2 = 1 THEN
IF ids(hashresref).arraytype AND ISSTRING THEN
IF (ids(hashresref).arraytype AND ISFIXEDLENGTH) = 0 THEN
IF scope1 = scope2 THEN Give_Error "Name already in use": EXIT SUB
END IF
END IF
END IF
END IF
END IF
arrayname_exception:
IF hashres <> 1 THEN hashres = HashFindCont(hashresflags, hashresref) ELSE hashres = 0
LOOP
END IF 'array
'add it to the hash table
HashAdd n$, hashflags, currentid
END SUB
SUB reginternal
reginternalsubfunc = 1
'$INCLUDE:'subs_functions\subs_functions.bas'
reginternalsubfunc = 0
END SUB
'this sub is faulty atm!
'sub replacelement (a$, i, newe$)
''note: performs no action for out of range values of i
'e=1
's=1
'do
'x=instr(s,a$,sp)
'if x then
'if e=i then
'a1$=left$(a$,s-1): a2$=right$(a$,len(a$)-x+1)
'a$=a1$+sp+newe$+a2$ 'note: a2 includes spacer
'exit sub
'end if
's=x+1
'e=e+1
'end if
'loop until x=0
'if e=i then
'a$=left$(a$,s-1)+sp+newe$
'end if
'end sub
SUB removeelements (a$, first, last, keepindexing)
a2$ = ""
'note: first and last MUST be valid
' keepindexing means the number of elements will stay the same
' but some elements will be equal to ""
n = numelements(a$)
FOR i = 1 TO n
IF i < first OR i > last THEN
a2$ = a2$ + sp + getelement(a$, i)
ELSE
IF keepindexing THEN a2$ = a2$ + sp
END IF
NEXT
IF LEFT$(a2$, 1) = sp THEN a2$ = RIGHT$(a2$, LEN(a2$) - 1)
a$ = a2$
END SUB
FUNCTION symboltype (s$) 'returns type or 0(not a valid symbol)
'note: sets symboltype_size for fixed length strings
'created: 2011 (fast & comprehensive)
IF LEN(s$) = 0 THEN EXIT FUNCTION
'treat common cases first
a = ASC(s$)
l = LEN(s$)
IF a = 37 THEN '%
IF l = 1 THEN symboltype = 16: EXIT FUNCTION
IF l > 2 THEN EXIT FUNCTION
IF ASC(s$, 2) = 37 THEN symboltype = 8: EXIT FUNCTION
IF ASC(s$, 2) = 38 THEN symboltype = OFFSETTYPE - ISPOINTER: EXIT FUNCTION '%&
EXIT FUNCTION
END IF
IF a = 38 THEN '&
IF l = 1 THEN symboltype = 32: EXIT FUNCTION
IF l > 2 THEN EXIT FUNCTION
IF ASC(s$, 2) = 38 THEN symboltype = 64: EXIT FUNCTION
EXIT FUNCTION
END IF
IF a = 33 THEN '!
IF l = 1 THEN symboltype = 32 + ISFLOAT: EXIT FUNCTION
EXIT FUNCTION
END IF
IF a = 35 THEN '#
IF l = 1 THEN symboltype = 64 + ISFLOAT: EXIT FUNCTION
IF l > 2 THEN EXIT FUNCTION
IF ASC(s$, 2) = 35 THEN symboltype = 64 + ISFLOAT: EXIT FUNCTION
EXIT FUNCTION
END IF
IF a = 36 THEN '$
IF l = 1 THEN symboltype = ISSTRING: EXIT FUNCTION
IF isuinteger(RIGHT$(s$, l - 1)) THEN
IF l >= (1 + 10) THEN
IF l > (1 + 10) THEN EXIT FUNCTION
IF s$ > "$2147483647" THEN EXIT FUNCTION
END IF
symboltype_size = VAL(RIGHT$(s$, l - 1))
symboltype = ISSTRING + ISFIXEDLENGTH
EXIT FUNCTION
END IF
EXIT FUNCTION
END IF
IF a = 96 THEN '`
IF l = 1 THEN symboltype = 1 + ISOFFSETINBITS: EXIT FUNCTION
IF isuinteger(RIGHT$(s$, l - 1)) THEN
IF l > 3 THEN EXIT FUNCTION
n = VAL(RIGHT$(s$, l - 1))
IF n > 56 THEN EXIT FUNCTION
symboltype = n + ISOFFSETINBITS: EXIT FUNCTION
END IF
EXIT FUNCTION
END IF
IF a = 126 THEN '~
IF l = 1 THEN EXIT FUNCTION
a = ASC(s$, 2)
IF a = 37 THEN '%
IF l = 2 THEN symboltype = 16 + ISUNSIGNED: EXIT FUNCTION
IF l > 3 THEN EXIT FUNCTION
IF ASC(s$, 3) = 37 THEN symboltype = 8 + ISUNSIGNED: EXIT FUNCTION
IF ASC(s$, 3) = 38 THEN symboltype = UOFFSETTYPE - ISPOINTER: EXIT FUNCTION '~%&
EXIT FUNCTION
END IF
IF a = 38 THEN '&
IF l = 2 THEN symboltype = 32 + ISUNSIGNED: EXIT FUNCTION
IF l > 3 THEN EXIT FUNCTION
IF ASC(s$, 3) = 38 THEN symboltype = 64 + ISUNSIGNED: EXIT FUNCTION
EXIT FUNCTION
END IF
IF a = 96 THEN '`
IF l = 2 THEN symboltype = 1 + ISOFFSETINBITS + ISUNSIGNED: EXIT FUNCTION
IF isuinteger(RIGHT$(s$, l - 2)) THEN
IF l > 4 THEN EXIT FUNCTION
n = VAL(RIGHT$(s$, l - 2))
IF n > 56 THEN EXIT FUNCTION
symboltype = n + ISOFFSETINBITS + ISUNSIGNED: EXIT FUNCTION
END IF
EXIT FUNCTION
END IF
END IF '~
END FUNCTION
FUNCTION removesymbol$ (varname$)
i = INSTR(varname$, "~"): IF i THEN GOTO foundsymbol
i = INSTR(varname$, "`"): IF i THEN GOTO foundsymbol
i = INSTR(varname$, "%"): IF i THEN GOTO foundsymbol
i = INSTR(varname$, "&"): IF i THEN GOTO foundsymbol
i = INSTR(varname$, "!"): IF i THEN GOTO foundsymbol
i = INSTR(varname$, "#"): IF i THEN GOTO foundsymbol
i = INSTR(varname$, "$"): IF i THEN GOTO foundsymbol
EXIT FUNCTION
foundsymbol:
IF i = 1 THEN Give_Error "Expected variable name before symbol": EXIT FUNCTION
symbol$ = RIGHT$(varname$, LEN(varname$) - i + 1)
IF symboltype(symbol$) = 0 THEN Give_Error "Invalid symbol": EXIT FUNCTION
removesymbol$ = symbol$
varname$ = LEFT$(varname$, i - 1)
END FUNCTION
FUNCTION scope$
IF id.share THEN scope$ = module$ + "__": EXIT FUNCTION
scope$ = module$ + "_" + subfunc$ + "_"
END FUNCTION
FUNCTION seperateargs (a$, ca$, pass&)
pass& = 0
FOR i = 1 TO OptMax: separgs(i) = "": NEXT
FOR i = 1 TO OptMax + 1: separgslayout(i) = "": NEXT
FOR i = 1 TO OptMax
Lev(i) = 0
EntryLev(i) = 0
DitchLev(i) = 0
DontPass(i) = 0
TempList(i) = 0
PassRule(i) = 0
LevelEntered(i) = 0
NEXT
DIM id2 AS idstruct
id2 = id
IF id2.args = 0 THEN EXIT FUNCTION 'no arguments!
s$ = id2.specialformat
s$ = RTRIM$(s$)
'build a special format if none exists
IF s$ = "" THEN
FOR i = 1 TO id2.args
IF i <> 1 THEN s$ = s$ + ",?" ELSE s$ = "?"
NEXT
END IF
'note: dim'd arrays moved to global to prevent high recreation cost
PassFlag = 1
nextentrylevel = 0
nextentrylevelset = 1
level = 0
lastt = 0
ditchlevel = 0
FOR i = 1 TO LEN(s$)
s2$ = MID$(s$, i, 1)
IF s2$ = "[" THEN
level = level + 1
LevelEntered(level) = 0
GOTO nextsymbol
END IF
IF s2$ = "]" THEN
level = level - 1
IF level < ditchlevel THEN ditchlevel = level
GOTO nextsymbol
END IF
IF s2$ = "{" THEN
lastt = lastt + 1: Lev(lastt) = level: PassRule(lastt) = 0
DitchLev(lastt) = ditchlevel: ditchlevel = level 'store & reset ditch level
i = i + 1
i2 = INSTR(i, s$, "}")
numopts = 0
nextopt:
numopts = numopts + 1
i3 = INSTR(i + 1, s$, "|")
IF i3 <> 0 AND i3 < i2 THEN
Opt(lastt, numopts) = MID$(s$, i, i3 - i)
i = i3 + 1: GOTO nextopt
END IF
Opt(lastt, numopts) = MID$(s$, i, i2 - i)
T(lastt) = numopts
'calculate words in each option
FOR x = 1 TO T(lastt)
w = 1
x2 = 1
newword:
IF INSTR(x2, RTRIM$(Opt(lastt, x)), " ") THEN w = w + 1: x2 = INSTR(x2, RTRIM$(Opt(lastt, x)), " ") + 1: GOTO newword
OptWords(lastt, x) = w
NEXT
i = i2
'set entry level routine
EntryLev(lastt) = level 'default level when continuing a previously entered level
IF LevelEntered(level) = 0 THEN
EntryLev(lastt) = 0
FOR i2 = 1 TO level - 1
IF LevelEntered(i2) = 1 THEN EntryLev(lastt) = i2
NEXT
END IF
LevelEntered(level) = 1
GOTO nextsymbol
END IF
IF s2$ = "?" THEN
lastt = lastt + 1: Lev(lastt) = level: PassRule(lastt) = 0
DitchLev(lastt) = ditchlevel: ditchlevel = level 'store & reset ditch level
T(lastt) = 0
'set entry level routine
EntryLev(lastt) = level 'default level when continuing a previously entered level
IF LevelEntered(level) = 0 THEN
EntryLev(lastt) = 0
FOR i2 = 1 TO level - 1
IF LevelEntered(i2) = 1 THEN EntryLev(lastt) = i2
NEXT
END IF
LevelEntered(level) = 1
GOTO nextsymbol
END IF
'assume "special" character (like ( ) , . - etc.)
lastt = lastt + 1: Lev(lastt) = level: PassRule(lastt) = 0
DitchLev(lastt) = ditchlevel: ditchlevel = level 'store & reset ditch level
T(lastt) = 1: Opt(lastt, 1) = s2$: OptWords(lastt, 1) = 1: DontPass(lastt) = 1
'set entry level routine
EntryLev(lastt) = level 'default level when continuing a previously entered level
IF LevelEntered(level) = 0 THEN
EntryLev(lastt) = 0
FOR i2 = 1 TO level - 1
IF LevelEntered(i2) = 1 THEN EntryLev(lastt) = i2
NEXT
END IF
LevelEntered(level) = 1
GOTO nextsymbol
nextsymbol:
NEXT
IF Debug THEN
PRINT #9, "--------SEPERATE ARGUMENTS REPORT #1:1--------"
FOR i = 1 TO lastt
PRINT #9, i, "OPT=" + CHR$(34) + RTRIM$(Opt(i, 1)) + CHR$(34)
PRINT #9, i, "OPTWORDS="; OptWords(i, 1)
PRINT #9, i, "T="; T(i)
PRINT #9, i, "DONTPASS="; DontPass(i)
PRINT #9, i, "PASSRULE="; PassRule(i)
PRINT #9, i, "LEV="; Lev(i)
PRINT #9, i, "ENTRYLEV="; EntryLev(i)
NEXT
END IF
'Any symbols already have dontpass() set to 1
'This sets any {}blocks with only one option/word (eg. {PRINT}) at the lowest level to dontpass()=1
'because their content is manadatory and there is no choice as to which word to use
FOR x = 1 TO lastt
IF Lev(x) = 0 THEN
IF T(x) = 1 THEN DontPass(x) = 1
END IF
NEXT
IF Debug THEN
PRINT #9, "--------SEPERATE ARGUMENTS REPORT #1:2--------"
FOR i = 1 TO lastt
PRINT #9, i, "OPT=" + CHR$(34) + RTRIM$(Opt(i, 1)) + CHR$(34)
PRINT #9, i, "OPTWORDS="; OptWords(i, 1)
PRINT #9, i, "T="; T(i)
PRINT #9, i, "DONTPASS="; DontPass(i)
PRINT #9, i, "PASSRULE="; PassRule(i)
PRINT #9, i, "LEV="; Lev(i)
PRINT #9, i, "ENTRYLEV="; EntryLev(i)
NEXT
END IF
x1 = 0 'the 'x' position of the beginning element of the current levelled block
MustPassOpt = 0 'the 'x' position of the FIRST opt () in the block which must be passed
MustPassOptNeedsFlag = 0 '{}blocks don't need a flag, ? blocks do
'Note: For something like [{HELLO}x] a choice between passing 'hello' or passing a flag to signify x was specified
' has to be made, in such cases, a flag is preferable to wasting a full new int32 on 'hello'
templistn = 0
FOR l = 1 TO 32767
scannextlevel = 0
FOR x = 1 TO lastt
IF Lev(x) > l THEN scannextlevel = 1
IF x1 THEN
IF EntryLev(x) < l THEN 'end of block reached
IF MustPassOpt THEN
'If there's an opt () which must be passed that will be identified,
'all the 1 option {}blocks can be assumed...
IF MustPassOptNeedsFlag THEN
'The MustPassOpt requires a flag, so use the same flag for everything
FOR x2 = 1 TO templistn
PassRule(TempList(x2)) = PassFlag
NEXT
PassFlag = PassFlag * 2
ELSE
'The MustPassOpt is a {}block which doesn't need a flag, so everything else needs to
'reference it
FOR x2 = 1 TO templistn
IF TempList(x2) <> MustPassOpt THEN PassRule(TempList(x2)) = -MustPassOpt
NEXT
END IF
ELSE
'if not, use a unique flag for everything in this block
FOR x2 = 1 TO templistn: PassRule(TempList(x2)) = PassFlag: NEXT
IF templistn <> 0 THEN PassFlag = PassFlag * 2
END IF
x1 = 0
END IF
END IF
IF Lev(x) = l THEN 'on same level
IF EntryLev(x) < l THEN 'just (re)entered this level (not continuing along it)
x1 = x 'set x1 to the starting element of this level
MustPassOpt = 0
templistn = 0
END IF
END IF
IF x1 THEN
IF Lev(x) = l THEN 'same level
IF T(x) <> 1 THEN
'It isn't a symbol or a {}block with only one option therefore this opt () must be passed
IF MustPassOpt = 0 THEN
MustPassOpt = x 'Only record the first instance (it MAY require a flag)
IF T(x) = 0 THEN MustPassOptNeedsFlag = 1 ELSE MustPassOptNeedsFlag = 0
ELSE
'Update current MustPassOpt to non-flag-based {}block if possible (to save flag usage)
'(Consider [{A|B}?], where a flag is not required)
IF MustPassOptNeedsFlag = 1 THEN
IF T(x) > 1 THEN
MustPassOpt = x: MustPassOptNeedsFlag = 0
END IF
END IF
END IF
'add to list
templistn = templistn + 1: TempList(templistn) = x
END IF
IF T(x) = 1 THEN
'It is a symbol or a {}block with only one option
'a {}block with only one option MAY not need to be passed
'depending on if anything else is in this block could make the existance of this opt () assumed
'Note: Symbols which are not encapsulated inside a {}block never need to be passed
' Symbols already have dontpass() set to 1
IF DontPass(x) = 0 THEN templistn = templistn + 1: TempList(templistn) = x: DontPass(x) = 1
END IF
END IF
END IF
NEXT
'scan last run (mostly just a copy of code from above)
IF x1 THEN
IF MustPassOpt THEN
'If there's an opt () which must be passed that will be identified,
'all the 1 option {}blocks can be assumed...
IF MustPassOptNeedsFlag THEN
'The MustPassOpt requires a flag, so use the same flag for everything
FOR x2 = 1 TO templistn
PassRule(TempList(x2)) = PassFlag
NEXT
PassFlag = PassFlag * 2
ELSE
'The MustPassOpt is a {}block which doesn't need a flag, so everything else needs to
'reference it
FOR x2 = 1 TO templistn
IF TempList(x2) <> MustPassOpt THEN PassRule(TempList(x2)) = -MustPassOpt
NEXT
END IF
ELSE
'if not, use a unique flag for everything in this block
FOR x2 = 1 TO templistn: PassRule(TempList(x2)) = PassFlag: NEXT
IF templistn <> 0 THEN PassFlag = PassFlag * 2
END IF
x1 = 0
END IF
IF scannextlevel = 0 THEN EXIT FOR
NEXT
IF Debug THEN
PRINT #9, "--------SEPERATE ARGUMENTS REPORT #1:3--------"
FOR i = 1 TO lastt
PRINT #9, i, "OPT=" + CHR$(34) + RTRIM$(Opt(i, 1)) + CHR$(34)
PRINT #9, i, "OPTWORDS="; OptWords(i, 1)
PRINT #9, i, "T="; T(i)
PRINT #9, i, "DONTPASS="; DontPass(i)
PRINT #9, i, "PASSRULE="; PassRule(i)
PRINT #9, i, "LEV="; Lev(i)
PRINT #9, i, "ENTRYLEV="; EntryLev(i)
NEXT
END IF
FOR i = 1 TO lastt: separgs(i) = "n-ll": NEXT
'Consider: "?,[?]"
'Notes: The comma is mandatory but the second ? is entirely optional
'Consider: "[?[{B}?]{A}]?"
'Notes: As unlikely as the above is, it is still valid, but pivots on the outcome of {A} being present
'Consider: "[?]{A}"
'Consider: "[?{A}][?{B}][?{C}]?"
'Notes: The trick here is to realize {A} has greater priority than {B}, so all lines of enquiry must
' be exhausted before considering {B}
'Use inquiry approach to solve format
'Each line of inquiry must be exhausted
'An expression ("?") simply means a branch where you can scan ahead
Branches = 0
DIM BranchFormatPos(1 TO 100) AS LONG
DIM BranchTaken(1 TO 100) AS LONG
'1=taken (this usually involves moving up a level)
'0=not taken
DIM BranchInputPos(1 TO 100) AS LONG
DIM BranchWithExpression(1 TO 100) AS LONG
'non-zero=expression expected before next item for format item value represents
'0=no expression allowed before next item
DIM BranchLevel(1 TO 100) AS LONG 'Level before this branch was/wasn't taken
n = numelements(ca$)
i = 1 'Position within ca$
level = 0
Expression = 0
FOR x = 1 TO lastt
ContinueScan:
IF DitchLev(x) < level THEN 'dropping down to a lower level
'we can only go as low as the 'ditch' will allow us, which will limit our options
level = DitchLev(x)
END IF
IF EntryLev(x) <= level THEN 'possible to enter level
'But was this optional or were we forced to be on this level?
IF EntryLev(x) < Lev(x) THEN
optional = 1
IF level > EntryLev(x) THEN optional = 0
ELSE
'entrylev=lev
optional = 0
END IF
t = T(x)
IF t = 0 THEN 'A "?" expression
IF Expression THEN
'*********backtrack************
'We are tracking an expression which we assumed would be present but was not
GOTO Backtrack
'******************************
END IF
IF optional THEN
Branches = Branches + 1
BranchFormatPos(Branches) = x
BranchTaken(Branches) = 1
BranchInputPos(Branches) = i
BranchWithExpression(Branches) = 0
BranchLevel(Branches) = level
level = Lev(x)
END IF
Expression = x
END IF 'A "?" expression
IF t THEN
currentlev = level
'Add new branch if new level will be entered
IF optional THEN
Branches = Branches + 1
BranchFormatPos(Branches) = x
BranchTaken(Branches) = 1
BranchInputPos(Branches) = i
BranchWithExpression(Branches) = Expression
BranchLevel(Branches) = level
END IF
'Scan for Opt () options
i1 = i: i2 = i
IF Expression THEN i2 = n
'Scan a$ for opt () x
'Note: Finding the closest opt option is necessary
'Note: This needs to be bracket sensitive
OutOfRange = 2147483647
position = OutOfRange
which = 0
IF i <= n THEN 'Past end of contect check
FOR o = 1 TO t
words = OptWords(x, o)
b = 0
FOR i3 = i1 TO i2
IF i3 + words - 1 <= n THEN 'enough elements exist
c$ = getelement$(a$, i3)
IF b = 0 THEN
'Build comparison string (spacing elements)
FOR w = 2 TO words
c$ = c$ + " " + getelement$(a$, i3 + w - 1)
NEXT w
'Compare
IF c$ = RTRIM$(Opt(x, o)) THEN
'Record Match
IF i3 < position THEN
position = i3
which = o
bvalue = b
EXIT FOR 'Exit the i3 loop
END IF 'position check
END IF 'match
END IF
IF ASC(c$) = 44 AND b = 0 THEN
EXIT FOR 'Expressions cannot contain a "," in their base level
'Because this wasn't interceppted by the above code it isn't the Opt either
END IF
IF ASC(c$) = 40 THEN
b = b + 1
END IF
IF ASC(c$) = 41 THEN
b = b - 1
IF b = -1 THEN EXIT FOR 'Exited current bracketting level, making any following match invalid
END IF
END IF 'enough elements exist
NEXT i3
NEXT o
END IF 'Past end of contect check
IF position <> OutOfRange THEN 'Found?
'Found...
level = Lev(x) 'Adjust level
IF Expression THEN
'Found...Expression...
'Has an expression been provided?
IF position > i AND bvalue = 0 THEN
'Found...Expression...Provided...
separgs(Expression) = getelements$(ca$, i, position - 1)
Expression = 0
i = position
ELSE
'Found...Expression...Omitted...
'*********backtrack************
GOTO OptCheckBacktrack
'******************************
END IF
END IF 'Expression
i = i + OptWords(x, which)
separgslayout(x) = CHR$(LEN(RTRIM$(Opt(x, which)))) + RTRIM$(Opt(x, which))
separgs(x) = CHR$(0) + str2(which)
ELSE
'Not Found...
'*********backtrack************
OptCheckBacktrack:
'Was this optional?
IF Lev(x) > EntryLev(x) THEN 'Optional Opt ()?
'Not Found...Optional...
'Simply don't enter the optional higher level and continue as normal
BranchTaken(Branches) = 0
level = currentlev 'We aren't entering the level after all, so our level should remain at the opt's entrylevel
ELSE
Backtrack:
'Not Found...Mandatory...
'1)Erase previous branches where both options have been tried
FOR branch = Branches TO 1 STEP -1 'Remove branches until last taken branch is found
IF BranchTaken(branch) THEN EXIT FOR
Branches = Branches - 1 'Remove branch (it has already been tried with both possible combinations)
NEXT
IF Branches = 0 THEN 'All options have been exhausted
seperateargs_error = 1
seperateargs_error_message = "Syntax error"
EXIT FUNCTION
END IF
'2)Toggle taken branch to untaken and revert
BranchTaken(Branches) = 0 'toggle branch to untaken
Expression = BranchWithExpression(Branches)
i = BranchInputPos(Branches)
x = BranchFormatPos(Branches)
level = BranchLevel(Branches)
'3)Erase any content created after revert position
IF Expression THEN separgs(Expression) = "n-ll"
FOR x2 = x TO lastt
separgs(x2) = "n-ll"
separgslayout(x2) = ""
NEXT
END IF 'Optional Opt ()?
'******************************
END IF 'Found?
END IF 't
END IF 'possible to enter level
NEXT x
'Final expression?
IF Expression THEN
IF i <= n THEN
separgs(Expression) = getelements$(ca$, i, n)
'can this be an expression?
'check it passes bracketting and comma rules
b = 0
FOR i2 = i TO n
c$ = getelement$(a$, i2)
IF ASC(c$) = 44 AND b = 0 THEN
GOTO Backtrack
END IF
IF ASC(c$) = 40 THEN
b = b + 1
END IF
IF ASC(c$) = 41 THEN
b = b - 1
IF b = -1 THEN GOTO Backtrack
END IF
NEXT
IF b <> 0 THEN GOTO Backtrack
i = n + 1 'So it passes the test below
ELSE
GOTO Backtrack
END IF
END IF 'Expression
IF i <> n + 1 THEN GOTO Backtrack 'Trailing content?
IF Debug THEN
PRINT #9, "--------SEPERATE ARGUMENTS REPORT #2--------"
FOR i = 1 TO lastt
PRINT #9, i, separgs(i)
NEXT
END IF
' DIM PassRule(1 TO 100) AS LONG
' '0 means no pass rule
' 'negative values refer to an opt () element
' 'positive values refer to a flag value
' PassFlag = 1
IF PassFlag <> 1 THEN seperateargs = 1 'Return whether a 'passed' flags variable is required
pass& = 0 'The 'passed' value (shared by argument reference)
'Note: The separgs() elements will be compacted to the C++ function arguments
x = 1 'The new index to move compacted content to within separgs()
FOR i = 1 TO lastt
IF DontPass(i) = 0 THEN
IF PassRule(i) > 0 THEN
IF separgs(i) <> "n-ll" THEN pass& = pass& OR PassRule(i) 'build 'passed' flags
END IF
separgs(x) = separgs(i)
separgslayout(x) = separgslayout(i)
IF LEN(separgs(x)) THEN
IF ASC(separgs(x)) = 0 THEN
'switch omit layout tag from item to layout info
separgs(x) = RIGHT$(separgs(x), LEN(separgs(x)) - 1)
separgslayout(x) = separgslayout(x) + CHR$(0)
END IF
END IF
IF separgs(x) = "n-ll" THEN separgs(x) = "N-LL"
x = x + 1
ELSE
'its gonna be skipped!
'add layout to the next one to be safe
'for syntax such as [{HELLO}] which uses a flag instead of being passed
IF PassRule(i) > 0 THEN
IF separgs(i) <> "n-ll" THEN pass& = pass& OR PassRule(i) 'build 'passed' flags
END IF
separgslayout(i + 1) = separgslayout(i) + separgslayout(i + 1)
END IF
NEXT
separgslayout(x) = separgslayout(i) 'set final layout
'x = x - 1
'PRINT "total arguments:"; x
'PRINT "pass omit (0/1):"; omit
'PRINT "pass&="; pass&
END FUNCTION
SUB setrefer (a2$, typ2 AS LONG, e2$, method AS LONG)
a$ = a2$: typ = typ2: e$ = e2$
IF method <> 1 THEN e$ = fixoperationorder$(e$)
IF Error_Happened THEN EXIT SUB
tl$ = tlayout$
'method: 0 evaulatetotyp e$
' 1 skip evaluation of e$ and use as is
'*due to the complexity of setting a reference with a value/string
' this function handles the problem
'retrieve ID
i = INSTR(a$, sp3)
IF i THEN
idnumber = VAL(LEFT$(a$, i - 1)): a$ = RIGHT$(a$, LEN(a$) - i)
ELSE
idnumber = VAL(a$)
END IF
getid idnumber
IF Error_Happened THEN EXIT SUB
'UDT?
IF typ AND ISUDT THEN
'print "setrefer-ing a UDT!"
u = VAL(a$)
i = INSTR(a$, sp3): a$ = RIGHT$(a$, LEN(a$) - i): E = VAL(a$)
i = INSTR(a$, sp3): o$ = RIGHT$(a$, LEN(a$) - i)
n$ = "UDT_" + RTRIM$(id.n): IF id.t = 0 THEN n$ = "ARRAY_" + n$ + "[0]"
IF Cloud = 0 THEN
IF E <> 0 AND u = 1 THEN 'Setting _MEM type elements is not allowed!
Give_Error "Cannot set read-only element of _MEM TYPE": EXIT SUB
END IF
END IF
IF E = 0 THEN
'use u and u's size
IF method <> 0 THEN Give_Error "Unexpected internal code reference to UDT": EXIT SUB
lhsscope$ = scope$
e$ = evaluate(e$, t2)
IF Error_Happened THEN EXIT SUB
IF (t2 AND ISUDT) = 0 THEN Give_Error "Expected = similar user defined type": EXIT SUB
IF (t2 AND ISREFERENCE) = 0 THEN
IF t2 AND ISPOINTER THEN
src$ = "((char*)" + e$ + ")"
e2 = 0: u2 = t2 AND 511
ELSE
src$ = "((char*)&" + e$ + ")"
e2 = 0: u2 = t2 AND 511
END IF
GOTO directudt
END IF
'****problem****
idnumber2 = VAL(e$)
getid idnumber2
IF Error_Happened THEN EXIT SUB
n2$ = "UDT_" + RTRIM$(id.n): IF id.t = 0 THEN n2$ = "ARRAY_" + n2$ + "[0]"
i = INSTR(e$, sp3): e$ = RIGHT$(e$, LEN(e$) - i): u2 = VAL(e$)
i = INSTR(e$, sp3): e$ = RIGHT$(e$, LEN(e$) - i): e2 = VAL(e$)
i = INSTR(e$, sp3): o2$ = RIGHT$(e$, LEN(e$) - i)
'WARNING: u2 may need minor modifications based on e to see if they are the same
'we have now established we have 2 pointers to similar data types!
'ASSUME BYTE TYPE!!!
src$ = "(((char*)" + scope$ + n2$ + ")+(" + o2$ + "))"
directudt:
IF u <> u2 OR e2 <> 0 THEN Give_Error "Expected = similar user defined type": EXIT SUB
dst$ = "(((char*)" + lhsscope$ + n$ + ")+(" + o$ + "))"
siz$ = str2$(udtxsize(u) \ 8)
PRINT #12, "memcpy(" + dst$ + "," + src$ + "," + siz$ + ");"
'print "setFULLUDTrefer!"
tlayout$ = tl$
EXIT SUB
END IF 'e=0
IF typ AND ISOFFSETINBITS THEN Give_Error "Cannot resolve bit-length variables inside user defined types yet": EXIT SUB
IF typ AND ISSTRING THEN
o2$ = "(((uint8*)" + scope$ + n$ + ")+(" + o$ + "))"
r$ = "qbs_new_fixed(" + o2$ + "," + str2(udtetypesize(E)) + ",1)"
IF method = 0 THEN e$ = evaluatetotyp(e$, STRINGTYPE - ISPOINTER)
IF Error_Happened THEN EXIT SUB
PRINT #12, "qbs_set(" + r$ + "," + e$ + ");"
PRINT #12, cleanupstringprocessingcall$ + "0);"
ELSE
typ = typ - ISUDT - ISREFERENCE - ISPOINTER
IF typ AND ISARRAY THEN typ = typ - ISARRAY
t$ = typ2ctyp$(typ, "")
IF Error_Happened THEN EXIT SUB
o2$ = "(((char*)" + scope$ + n$ + ")+(" + o$ + "))"
r$ = "*" + "(" + t$ + "*)" + o2$
IF method = 0 THEN e$ = evaluatetotyp(e$, typ)
IF Error_Happened THEN EXIT SUB
PRINT #12, r$ + "=" + e$ + ";"
END IF
'print "setUDTrefer:"+r$,e$
tlayout$ = tl$
EXIT SUB
END IF
'array?
IF id.arraytype THEN
n$ = RTRIM$(id.callname)
typ = typ - ISPOINTER - ISREFERENCE 'typ now looks like a regular value
IF (typ AND ISSTRING) THEN
IF (typ AND ISFIXEDLENGTH) THEN
offset$ = "&((uint8*)(" + n$ + "[0]))[tmp_long*" + str2(id.tsize) + "]"
r$ = "qbs_new_fixed(" + offset$ + "," + str2(id.tsize) + ",1)"
PRINT #12, "tmp_long=" + a$ + ";"
IF method = 0 THEN
l$ = "if (!new_error) qbs_set(" + r$ + "," + evaluatetotyp(e$, typ) + ");"
IF Error_Happened THEN EXIT SUB
ELSE
l$ = "if (!new_error) qbs_set(" + r$ + "," + e$ + ");"
END IF
PRINT #12, l$
ELSE
PRINT #12, "tmp_long=" + a$ + ";"
IF method = 0 THEN
l$ = "if (!new_error) qbs_set( ((qbs*)(((uint64*)(" + n$ + "[0]))[tmp_long]))," + evaluatetotyp(e$, typ) + ");"
IF Error_Happened THEN EXIT SUB
ELSE
l$ = "if (!new_error) qbs_set( ((qbs*)(((uint64*)(" + n$ + "[0]))[tmp_long]))," + e$ + ");"
END IF
PRINT #12, l$
END IF
PRINT #12, cleanupstringprocessingcall$ + "0);"
tlayout$ = tl$
EXIT SUB
END IF
IF (typ AND ISOFFSETINBITS) THEN
'r$ = "setbits_" + str2(typ AND 511) + "("
r$ = "setbits(" + str2(typ AND 511) + ","
r$ = r$ + "(uint8*)(" + n$ + "[0])" + ",tmp_long,"
PRINT #12, "tmp_long=" + a$ + ";"
IF method = 0 THEN
l$ = "if (!new_error) " + r$ + evaluatetotyp(e$, typ) + ");"
IF Error_Happened THEN EXIT SUB
ELSE
l$ = "if (!new_error) " + r$ + e$ + ");"
END IF
PRINT #12, l$
tlayout$ = tl$
EXIT SUB
ELSE
t$ = ""
IF (typ AND ISFLOAT) THEN
IF (typ AND 511) = 32 THEN t$ = "float"
IF (typ AND 511) = 64 THEN t$ = "double"
IF (typ AND 511) = 256 THEN t$ = "long double"
ELSE
IF (typ AND ISUNSIGNED) THEN
IF (typ AND 511) = 8 THEN t$ = "uint8"
IF (typ AND 511) = 16 THEN t$ = "uint16"
IF (typ AND 511) = 32 THEN t$ = "uint32"
IF (typ AND 511) = 64 THEN t$ = "uint64"
IF typ AND ISOFFSET THEN t$ = "uptrszint"
ELSE
IF (typ AND 511) = 8 THEN t$ = "int8"
IF (typ AND 511) = 16 THEN t$ = "int16"
IF (typ AND 511) = 32 THEN t$ = "int32"
IF (typ AND 511) = 64 THEN t$ = "int64"
IF typ AND ISOFFSET THEN t$ = "ptrszint"
END IF
END IF
END IF
IF t$ = "" THEN Give_Error "Cannot find C type to return array data": EXIT SUB
PRINT #12, "tmp_long=" + a$ + ";"
IF method = 0 THEN
l$ = "if (!new_error) ((" + t$ + "*)(" + n$ + "[0]))[tmp_long]=" + evaluatetotyp(e$, typ) + ";"
IF Error_Happened THEN EXIT SUB
ELSE
l$ = "if (!new_error) ((" + t$ + "*)(" + n$ + "[0]))[tmp_long]=" + e$ + ";"
END IF
PRINT #12, l$
tlayout$ = tl$
EXIT SUB
END IF 'array
'variable?
IF id.t THEN
r$ = RTRIM$(id.n)
t = id.t
'remove irrelavant flags
IF (t AND ISINCONVENTIONALMEMORY) THEN t = t - ISINCONVENTIONALMEMORY
typ = t
'string variable?
IF (t AND ISSTRING) THEN
IF (t AND ISFIXEDLENGTH) THEN
r$ = scope$ + "STRING" + str2(id.tsize) + "_" + r$
ELSE
r$ = scope$ + "STRING_" + r$
END IF
IF method = 0 THEN e$ = evaluatetotyp(e$, ISSTRING)
IF Error_Happened THEN EXIT SUB
PRINT #12, "qbs_set(" + r$ + "," + e$ + ");"
PRINT #12, cleanupstringprocessingcall$ + "0);"
IF arrayprocessinghappened THEN arrayprocessinghappened = 0
tlayout$ = tl$
EXIT SUB
END IF
'bit-length variable?
IF (t AND ISOFFSETINBITS) THEN
b = t AND 511
IF (t AND ISUNSIGNED) THEN
r$ = "*" + scope$ + "UBIT" + str2(t AND 511) + "_" + r$
IF method = 0 THEN e$ = evaluatetotyp(e$, 64& + ISUNSIGNED)
IF Error_Happened THEN EXIT SUB
l$ = r$ + "=(" + e$ + ")&" + str2(bitmask(b)) + ";"
PRINT #12, l$
ELSE
r$ = "*" + scope$ + "BIT" + str2(t AND 511) + "_" + r$
IF method = 0 THEN e$ = evaluatetotyp(e$, 64&)
IF Error_Happened THEN EXIT SUB
l$ = "if ((" + r$ + "=" + e$ + ")&" + str2(2 ^ (b - 1)) + "){"
PRINT #12, l$
'signed bit is set
l$ = r$ + "|=" + str2(bitmaskinv(b)) + ";"
PRINT #12, l$
PRINT #12, "}else{"
'signed bit is not set
l$ = r$ + "&=" + str2(bitmask(b)) + ";"
PRINT #12, l$
PRINT #12, "}"
END IF
IF stringprocessinghappened THEN PRINT #12, cleanupstringprocessingcall$ + "0);": stringprocessinghappened = 0
IF arrayprocessinghappened THEN arrayprocessinghappened = 0
tlayout$ = tl$
EXIT SUB
END IF
'standard variable?
IF t = BYTETYPE THEN r$ = "*" + scope$ + "BYTE_" + r$: GOTO sref
IF t = UBYTETYPE THEN r$ = "*" + scope$ + "UBYTE_" + r$: GOTO sref
IF t = INTEGERTYPE THEN r$ = "*" + scope$ + "INTEGER_" + r$: GOTO sref
IF t = UINTEGERTYPE THEN r$ = "*" + scope$ + "UINTEGER_" + r$: GOTO sref
IF t = LONGTYPE THEN r$ = "*" + scope$ + "LONG_" + r$: GOTO sref
IF t = ULONGTYPE THEN r$ = "*" + scope$ + "ULONG_" + r$: GOTO sref
IF t = INTEGER64TYPE THEN r$ = "*" + scope$ + "INTEGER64_" + r$: GOTO sref
IF t = UINTEGER64TYPE THEN r$ = "*" + scope$ + "UINTEGER64_" + r$: GOTO sref
IF t = SINGLETYPE THEN r$ = "*" + scope$ + "SINGLE_" + r$: GOTO sref
IF t = DOUBLETYPE THEN r$ = "*" + scope$ + "DOUBLE_" + r$: GOTO sref
IF t = FLOATTYPE THEN r$ = "*" + scope$ + "FLOAT_" + r$: GOTO sref
IF t = OFFSETTYPE THEN r$ = "*" + scope$ + "OFFSET_" + r$: GOTO sref
IF t = UOFFSETTYPE THEN r$ = "*" + scope$ + "UOFFSET_" + r$: GOTO sref
sref:
t2 = t - ISPOINTER
IF method = 0 THEN e$ = evaluatetotyp(e$, t2)
IF Error_Happened THEN EXIT SUB
l$ = r$ + "=" + e$ + ";"
PRINT #12, l$
IF stringprocessinghappened THEN PRINT #12, cleanupstringprocessingcall$ + "0);": stringprocessinghappened = 0
IF arrayprocessinghappened THEN arrayprocessinghappened = 0
tlayout$ = tl$
EXIT SUB
END IF 'variable
tlayout$ = tl$
END SUB
FUNCTION str2$ (v AS LONG)
str2$ = LTRIM$(RTRIM$(STR$(v)))
END FUNCTION
FUNCTION str2u64$ (v~&&)
str2u64$ = LTRIM$(RTRIM$(STR$(v~&&)))
END FUNCTION
FUNCTION str2i64$ (v&&)
str2i64$ = LTRIM$(RTRIM$(STR$(v&&)))
END FUNCTION
FUNCTION typ2ctyp$ (t AS LONG, tstr AS STRING)
ctyp$ = ""
'typ can be passed as either: (the unused value is ignored)
'i. as a typ value in t
'ii. as a typ symbol (eg. "~%") in tstr
'iii. as a typ name (eg. _UNSIGNED INTEGER) in tstr
IF tstr$ = "" THEN
IF (t AND ISARRAY) THEN EXIT FUNCTION 'cannot return array types
IF (t AND ISSTRING) THEN typ2ctyp$ = "qbs": EXIT FUNCTION
b = t AND 511
IF (t AND ISUDT) THEN typ2ctyp$ = "void": EXIT FUNCTION
IF (t AND ISOFFSETINBITS) THEN
IF b <= 32 THEN ctyp$ = "int32" ELSE ctyp$ = "int64"
IF (t AND ISUNSIGNED) THEN ctyp$ = "u" + ctyp$
typ2ctyp$ = ctyp$: EXIT FUNCTION
END IF
IF (t AND ISFLOAT) THEN
IF b = 32 THEN ctyp$ = "float"
IF b = 64 THEN ctyp$ = "double"
IF b = 256 THEN ctyp$ = "long double"
ELSE
IF b = 8 THEN ctyp$ = "int8"
IF b = 16 THEN ctyp$ = "int16"
IF b = 32 THEN ctyp$ = "int32"
IF b = 64 THEN ctyp$ = "int64"
IF typ AND ISOFFSET THEN ctyp$ = "ptrszint"
IF (t AND ISUNSIGNED) THEN ctyp$ = "u" + ctyp$
END IF
IF t AND ISOFFSET THEN
ctyp$ = "ptrszint": IF (t AND ISUNSIGNED) THEN ctyp$ = "uptrszint"
END IF
typ2ctyp$ = ctyp$: EXIT FUNCTION
END IF
ts$ = tstr$
'is ts$ a symbol?
IF ts$ = "$" THEN ctyp$ = "qbs"
IF ts$ = "!" THEN ctyp$ = "float"
IF ts$ = "#" THEN ctyp$ = "double"
IF ts$ = "##" THEN ctyp$ = "long double"
IF LEFT$(ts$, 1) = "~" THEN unsgn = 1: ts$ = RIGHT$(ts$, LEN(ts$) - 1)
IF LEFT$(ts$, 1) = "`" THEN
n$ = RIGHT$(ts$, LEN(ts$) - 1)
b = 1
IF n$ <> "" THEN
IF isuinteger(n$) = 0 THEN Give_Error "Invalid index after _BIT type": EXIT FUNCTION
b = VAL(n$)
IF b > 57 THEN Give_Error "Invalid index after _BIT type": EXIT FUNCTION
END IF
IF b <= 32 THEN ctyp$ = "int32" ELSE ctyp$ = "int64"
IF unsgn THEN ctyp$ = "u" + ctyp$
typ2ctyp$ = ctyp$: EXIT FUNCTION
END IF
IF ts$ = "%&" THEN
typ2ctyp$ = "ptrszint": IF (t AND ISUNSIGNED) THEN typ2ctyp$ = "uptrszint"
EXIT FUNCTION
END IF
IF ts$ = "%%" THEN ctyp$ = "int8"
IF ts$ = "%" THEN ctyp$ = "int16"
IF ts$ = "&" THEN ctyp$ = "int32"
IF ts$ = "&&" THEN ctyp$ = "int64"
IF ctyp$ <> "" THEN
IF unsgn THEN ctyp$ = "u" + ctyp$
typ2ctyp$ = ctyp$: EXIT FUNCTION
END IF
'is tstr$ a named type? (eg. 'LONG')
s$ = type2symbol$(tstr$)
IF Error_Happened THEN EXIT FUNCTION
IF LEN(s$) THEN
typ2ctyp$ = typ2ctyp$(0, s$)
IF Error_Happened THEN EXIT FUNCTION
EXIT FUNCTION
END IF
Give_Error "Invalid type": EXIT FUNCTION
END FUNCTION
FUNCTION type2symbol$ (typ$)
t$ = typ$
FOR i = 1 TO LEN(t$)
IF MID$(t$, i, 1) = sp THEN MID$(t$, i, 1) = " "
NEXT
e$ = "Cannot convert type (" + typ$ + ") to symbol"
t2$ = "_UNSIGNED _BIT": s$ = "~`1": IF LEFT$(t$, LEN(t2$)) = t2$ THEN GOTO t2sfound
t2$ = "_UNSIGNED _BYTE": s$ = "~%%": IF LEFT$(t$, LEN(t2$)) = t2$ THEN GOTO t2sfound
t2$ = "_UNSIGNED INTEGER": s$ = "~%": IF LEFT$(t$, LEN(t2$)) = t2$ THEN GOTO t2sfound
t2$ = "_UNSIGNED LONG": s$ = "~&": IF LEFT$(t$, LEN(t2$)) = t2$ THEN GOTO t2sfound
t2$ = "_UNSIGNED _INTEGER64": s$ = "~&&": IF LEFT$(t$, LEN(t2$)) = t2$ THEN GOTO t2sfound
t2$ = "_UNSIGNED _OFFSET": s$ = "~%&": IF LEFT$(t$, LEN(t2$)) = t2$ THEN GOTO t2sfound
t2$ = "_BIT": s$ = "`1": IF LEFT$(t$, LEN(t2$)) = t2$ THEN GOTO t2sfound
t2$ = "_BYTE": s$ = "%%": IF LEFT$(t$, LEN(t2$)) = t2$ THEN GOTO t2sfound
t2$ = "INTEGER": s$ = "%": IF LEFT$(t$, LEN(t2$)) = t2$ THEN GOTO t2sfound
t2$ = "LONG": s$ = "&": IF LEFT$(t$, LEN(t2$)) = t2$ THEN GOTO t2sfound
t2$ = "_INTEGER64": s$ = "&&": IF LEFT$(t$, LEN(t2$)) = t2$ THEN GOTO t2sfound
t2$ = "_OFFSET": s$ = "%&": IF LEFT$(t$, LEN(t2$)) = t2$ THEN GOTO t2sfound
t2$ = "SINGLE": s$ = "!": IF LEFT$(t$, LEN(t2$)) = t2$ THEN GOTO t2sfound
t2$ = "DOUBLE": s$ = "#": IF LEFT$(t$, LEN(t2$)) = t2$ THEN GOTO t2sfound
t2$ = "_FLOAT": s$ = "##": IF LEFT$(t$, LEN(t2$)) = t2$ THEN GOTO t2sfound
t2$ = "STRING": s$ = "$": IF LEFT$(t$, LEN(t2$)) = t2$ THEN GOTO t2sfound
Give_Error e$: EXIT FUNCTION
t2sfound:
type2symbol$ = s$
IF LEN(t2$) <> LEN(t$) THEN
IF s$ <> "$" AND s$ <> "~`1" AND s$ <> "`1" THEN Give_Error e$: EXIT FUNCTION
t$ = RIGHT$(t$, LEN(t$) - LEN(t2$))
IF LEFT$(t$, 3) <> " * " THEN Give_Error e$: EXIT FUNCTION
t$ = RIGHT$(t$, LEN(t$) - 3)
IF isuinteger(t$) = 0 THEN Give_Error e$: EXIT FUNCTION
v = VAL(t$)
IF v = 0 THEN Give_Error e$: EXIT FUNCTION
IF s$ <> "$" AND v > 56 THEN Give_Error e$: EXIT FUNCTION
IF s$ = "$" THEN
s$ = s$ + str2$(v)
ELSE
s$ = LEFT$(s$, LEN(s$) - 1) + str2$(v)
END IF
type2symbol$ = s$
END IF
END FUNCTION
'Strips away bits/indentifiers which make locating a variables source difficult
FUNCTION typecomp (typ)
typ2 = typ
IF (typ2 AND ISINCONVENTIONALMEMORY) THEN typ2 = typ2 - ISINCONVENTIONALMEMORY
typecomp = typ2
END FUNCTION
FUNCTION typname2typ& (t2$)
typname2typsize = 0 'the default
t$ = t2$
'symbol?
ts$ = t$
IF ts$ = "$" THEN typname2typ& = STRINGTYPE: EXIT FUNCTION
IF ts$ = "!" THEN typname2typ& = SINGLETYPE: EXIT FUNCTION
IF ts$ = "#" THEN typname2typ& = DOUBLETYPE: EXIT FUNCTION
IF ts$ = "##" THEN typname2typ& = FLOATTYPE: EXIT FUNCTION
'fixed length string?
IF LEFT$(ts$, 1) = "$" THEN
n$ = RIGHT$(ts$, LEN(ts$) - 1)
IF isuinteger(n$) = 0 THEN Give_Error "Invalid index after STRING * type": EXIT FUNCTION
b = VAL(n$)
IF b = 0 THEN Give_Error "Invalid index after STRING * type": EXIT FUNCTION
typname2typsize = b
typname2typ& = STRINGTYPE + ISFIXEDLENGTH
EXIT FUNCTION
END IF
'unsigned?
IF LEFT$(ts$, 1) = "~" THEN unsgn = 1: ts$ = RIGHT$(ts$, LEN(ts$) - 1)
'bit-type?
IF LEFT$(ts$, 1) = "`" THEN
n$ = RIGHT$(ts$, LEN(ts$) - 1)
b = 1
IF n$ <> "" THEN
IF isuinteger(n$) = 0 THEN Give_Error "Invalid index after _BIT type": EXIT FUNCTION
b = VAL(n$)
IF b > 56 THEN Give_Error "Invalid index after _BIT type": EXIT FUNCTION
END IF
IF unsgn THEN typname2typ& = UBITTYPE + (b - 1) ELSE typname2typ& = BITTYPE + (b - 1)
EXIT FUNCTION
END IF
t = 0
IF ts$ = "%%" THEN t = BYTETYPE
IF ts$ = "%" THEN t = INTEGERTYPE
IF ts$ = "&" THEN t = LONGTYPE
IF ts$ = "&&" THEN t = INTEGER64TYPE
IF ts$ = "%&" THEN t = OFFSETTYPE
IF t THEN
IF unsgn THEN t = t + ISUNSIGNED
typname2typ& = t: EXIT FUNCTION
END IF
'not a valid symbol
'type name?
FOR i = 1 TO LEN(t$)
IF MID$(t$, i, 1) = sp THEN MID$(t$, i, 1) = " "
NEXT
IF t$ = "STRING" THEN typname2typ& = STRINGTYPE: EXIT FUNCTION
IF LEFT$(t$, 9) = "STRING * " THEN
n$ = RIGHT$(t$, LEN(t$) - 9)
'constant check 2011
hashfound = 0
hashname$ = n$
hashchkflags = HASHFLAG_CONSTANT
hashres = HashFindRev(hashname$, hashchkflags, hashresflags, hashresref)
DO WHILE hashres
IF constsubfunc(hashresref) = subfuncn OR constsubfunc(hashresref) = 0 THEN
IF constdefined(hashresref) THEN
hashfound = 1
EXIT DO
END IF
END IF
IF hashres <> 1 THEN hashres = HashFindCont(hashresflags, hashresref) ELSE hashres = 0
LOOP
IF hashfound THEN
i2 = hashresref
t = consttype(i2)
IF t AND ISSTRING THEN Give_Error "Expected STRING * numeric-constant": EXIT FUNCTION
'convert value to general formats
IF t AND ISFLOAT THEN
v## = constfloat(i2)
v&& = v##
v~&& = v&&
ELSE
IF t AND ISUNSIGNED THEN
v~&& = constuinteger(i2)
v&& = v~&&
v## = v&&
ELSE
v&& = constinteger(i2)
v## = v&&
v~&& = v&&
END IF
END IF
IF v&& < 1 OR v&& > 9999999999 THEN Give_Error "STRING * out-of-range constant": EXIT FUNCTION
b = v&&
GOTO constantlenstr
END IF
IF isuinteger(n$) = 0 OR LEN(n$) > 10 THEN Give_Error "Invalid number/constant after STRING * type": EXIT FUNCTION
b = VAL(n$)
IF b = 0 OR LEN(n$) > 10 THEN Give_Error "Invalid number after STRING * type": EXIT FUNCTION
constantlenstr:
typname2typsize = b
typname2typ& = STRINGTYPE + ISFIXEDLENGTH
EXIT FUNCTION
END IF
IF t$ = "SINGLE" THEN typname2typ& = SINGLETYPE: EXIT FUNCTION
IF t$ = "DOUBLE" THEN typname2typ& = DOUBLETYPE: EXIT FUNCTION
IF t$ = "_FLOAT" THEN typname2typ& = FLOATTYPE: EXIT FUNCTION
IF LEFT$(t$, 10) = "_UNSIGNED " THEN u = 1: t$ = RIGHT$(t$, LEN(t$) - 10)
IF LEFT$(t$, 4) = "_BIT" THEN
IF t$ = "_BIT" THEN
IF u THEN typname2typ& = UBITTYPE ELSE typname2typ& = BITTYPE
EXIT FUNCTION
END IF
IF LEFT$(t$, 7) <> "_BIT * " THEN Give_Error "Expected _BIT * number": EXIT FUNCTION
n$ = RIGHT$(t$, LEN(t$) - 7)
IF isuinteger(n$) = 0 THEN Give_Error "Invalid size after _BIT *": EXIT FUNCTION
b = VAL(n$)
IF b = 0 OR b > 56 THEN Give_Error "Invalid size after _BIT *": EXIT FUNCTION
t = BITTYPE - 1 + b: IF u THEN t = t + ISUNSIGNED
typname2typ& = t
EXIT FUNCTION
END IF
t = 0
IF t$ = "_BYTE" THEN t = BYTETYPE
IF t$ = "INTEGER" THEN t = INTEGERTYPE
IF t$ = "LONG" THEN t = LONGTYPE
IF t$ = "_INTEGER64" THEN t = INTEGER64TYPE
IF t$ = "_OFFSET" THEN t = OFFSETTYPE
IF t THEN
IF u THEN t = t + ISUNSIGNED
typname2typ& = t
EXIT FUNCTION
END IF
IF u THEN EXIT FUNCTION '_UNSIGNED (nothing)
'UDT?
FOR i = 1 TO lasttype
IF t$ = RTRIM$(udtxname(i)) THEN
typname2typ& = ISUDT + ISPOINTER + i
EXIT FUNCTION
END IF
NEXT
'return 0 (failed)
END FUNCTION
FUNCTION uniquenumber&
uniquenumbern = uniquenumbern + 1
uniquenumber& = uniquenumbern
END FUNCTION
FUNCTION validlabel (LABEL2$)
create = CreatingLabel: CreatingLabel = 0
validlabel = 0
IF LEN(LABEL2$) = 0 THEN EXIT FUNCTION
clabel$ = LABEL2$
label$ = UCASE$(LABEL2$)
n = numelements(label$)
IF n = 1 THEN
'Note: Reserved words and internal sub/function names are invalid
hashres = HashFind(label$, HASHFLAG_RESERVED + HASHFLAG_SUB + HASHFLAG_FUNCTION, hashresflags, hashresref)
DO WHILE hashres
IF hashresflags AND (HASHFLAG_SUB + HASHFLAG_FUNCTION) THEN
IF ids(hashresref).internal_subfunc THEN EXIT FUNCTION
IF hashresflags AND HASHFLAG_SUB THEN 'could be a label or a sub call!
'analyze format
IF ASC(ids(hashresref).specialformat) = 32 THEN
IF ids(hashresref).args = 0 THEN onecommandsub = 1 ELSE onecommandsub = 0
ELSE
IF ASC(ids(hashresref).specialformat) <> 91 THEN '"["
onecommandsub = 0
ELSE
onecommandsub = 1
a$ = RTRIM$(ids(hashresref).specialformat)
b = 1
FOR x = 2 TO LEN(a$)
a = ASC(a$, x)
IF a = 91 THEN b = b + 1
IF a = 93 THEN b = b - 1
IF b = 0 AND x <> LEN(a$) THEN onecommandsub = 0: EXIT FOR
NEXT
END IF
END IF
IF create <> 0 AND onecommandsub = 1 THEN
IF INSTR(SubNameLabels$, sp + UCASE$(label$) + sp) = 0 THEN PossibleSubNameLabels$ = PossibleSubNameLabels$ + UCASE$(label$) + sp: EXIT FUNCTION 'treat as sub call
END IF
END IF 'sub name
ELSE
'reserved
EXIT FUNCTION
END IF
IF hashres <> 1 THEN hashres = HashFindCont(hashresflags, hashresref) ELSE hashres = 0
LOOP
'Numeric label?
'quasi numbers are possible, but:
'a) They may only have one decimal place
'b) They must be typed with the exact same characters to match
t$ = label$
'numeric?
a = ASC(t$)
IF (a >= 48 AND a <= 57) OR a = 46 THEN
'refer to original formatting if possible (eg. 1.10 not 1.1)
x = INSTR(t$, CHR$(44))
IF x THEN
t$ = RIGHT$(t$, LEN(t$) - x)
END IF
'note: The symbols ! and # are valid trailing symbols in QBASIC, regardless of the number's size,
' so they are allowed in QB64 for compatibility reasons
addsymbol$ = removesymbol$(t$)
IF Error_Happened THEN EXIT FUNCTION
IF LEN(addsymbol$) THEN
IF INSTR(addsymbol$, "$") THEN EXIT FUNCTION
IF addsymbol$ <> "#" AND addsymbol$ <> "!" THEN addsymbol$ = ""
END IF
IF a = 46 THEN dp = 1
FOR x = 2 TO LEN(t$)
a = ASC(MID$(t$, x, 1))
IF a = 46 THEN dp = dp + 1
IF (a < 48 OR a > 57) AND a <> 46 THEN EXIT FUNCTION 'not numeric
NEXT x
IF dp > 1 THEN EXIT FUNCTION 'too many decimal points
IF dp = 1 AND LEN(t$) = 1 THEN EXIT FUNCTION 'cant have '.' as a label
tlayout$ = t$ + addsymbol$
i = INSTR(t$, "."): IF i THEN MID$(t$, i, 1) = "p"
IF addsymbol$ = "#" THEN t$ = t$ + "d"
IF addsymbol$ = "!" THEN t$ = t$ + "s"
IF LEN(t$) > 40 THEN EXIT FUNCTION
LABEL2$ = t$
validlabel = 1
EXIT FUNCTION
END IF 'numeric
END IF 'n=1
'Alpha-numeric label?
'Build label
'structure check (???.???.???.???)
IF (n AND 1) = 0 THEN EXIT FUNCTION 'must be an odd number of elements
FOR nx = 2 TO n - 1 STEP 2
a$ = getelement$(LABEL2$, nx)
IF a$ <> "." THEN EXIT FUNCTION 'every 2nd element must be a period
NEXT
'cannot begin with numeric
c = ASC(clabel$): IF c >= 48 AND c <= 57 THEN EXIT FUNCTION
'elements check
label3$ = ""
FOR nx = 1 TO n STEP 2
label$ = getelement$(clabel$, nx)
'alpha-numeric?
FOR x = 1 TO LEN(label$)
IF alphanumeric(ASC(label$, x)) = 0 THEN EXIT FUNCTION
NEXT
'build label
IF label3$ = "" THEN label3$ = UCASE$(label$): tlayout$ = label$ ELSE label3$ = label3$ + fix046$ + UCASE$(label$): tlayout$ = tlayout$ + "." + label$
NEXT nx
validlabel = 1
LABEL2$ = label3$
END FUNCTION
SUB xend
PRINT #12, "sub_end();"
END SUB
SUB xfileprint (a$, ca$, n)
u$ = str2$(uniquenumber)
PRINT #12, "tab_spc_cr_size=2;"
IF n = 2 THEN Give_Error "Expected # ... , ...": EXIT SUB
a3$ = ""
b = 0
FOR i = 3 TO n
a2$ = getelement$(ca$, i)
IF a2$ = "(" THEN b = b + 1
IF a2$ = ")" THEN b = b - 1
IF a2$ = "," AND b = 0 THEN
IF a3$ = "" THEN Give_Error "Expected # ... , ...": EXIT SUB
GOTO printgotfn
END IF
IF a3$ = "" THEN a3$ = a2$ ELSE a3$ = a3$ + sp + a2$
NEXT
Give_Error "Expected # ... ,": EXIT SUB
printgotfn:
e$ = fixoperationorder$(a3$)
IF Error_Happened THEN EXIT SUB
l$ = "PRINT" + sp + "#" + sp2 + tlayout$ + sp2 + ","
e$ = evaluatetotyp(e$, 64&)
IF Error_Happened THEN EXIT SUB
PRINT #12, "tab_fileno=tmp_fileno=" + e$ + ";"
PRINT #12, "if (new_error) goto skip" + u$ + ";"
i = i + 1
'PRINT USING? (file)
IF n >= i THEN
IF getelement(a$, i) = "USING" THEN
'get format string
fpujump:
l$ = l$ + sp + "USING"
e$ = "": b = 0: puformat$ = ""
FOR i = i + 1 TO n
a2$ = getelement(ca$, i)
IF a2$ = "(" THEN b = b + 1
IF a2$ = ")" THEN b = b - 1
IF b = 0 THEN
IF a2$ = "," THEN Give_Error "Expected PRINT USING #filenumber, formatstring ; ...": EXIT SUB
IF a2$ = ";" THEN
e$ = fixoperationorder$(e$)
IF Error_Happened THEN EXIT SUB
l$ = l$ + sp + tlayout$ + sp2 + ";"
e$ = evaluate(e$, typ)
IF Error_Happened THEN EXIT SUB
IF (typ AND ISREFERENCE) THEN e$ = refer(e$, typ, 0)
IF Error_Happened THEN EXIT SUB
IF (typ AND ISSTRING) = 0 THEN Give_Error "Expected PRINT USING #filenumber, formatstring ; ...": EXIT SUB
puformat$ = e$
EXIT FOR
END IF ';
END IF 'b
IF LEN(e$) THEN e$ = e$ + sp + a2$ ELSE e$ = a2$
NEXT
IF puformat$ = "" THEN Give_Error "Expected PRINT USING #filenumber, formatstring ; ...": EXIT SUB
IF i = n THEN Give_Error "Expected PRINT USING #filenumber, formatstring ; ...": EXIT SUB
'create build string
PRINT #12, "tqbs=qbs_new(0,0);"
'set format start/index variable
PRINT #12, "tmp_long=0;" 'scan format from beginning
'create string to hold format in for multiple references
puf$ = "print_using_format" + u$
IF subfunc = "" THEN
PRINT #13, "static qbs *" + puf$ + ";"
ELSE
PRINT #13, "qbs *" + puf$ + ";"
END IF
PRINT #12, puf$ + "=qbs_new(0,0); qbs_set(" + puf$ + "," + puformat$ + ");"
PRINT #12, "if (new_error) goto skip" + u$ + ";"
'print expressions
b = 0
e$ = ""
last = 0
FOR i = i + 1 TO n
a2$ = getelement(ca$, i)
IF a2$ = "(" THEN b = b + 1
IF a2$ = ")" THEN b = b - 1
IF b = 0 THEN
IF a2$ = ";" OR a2$ = "," THEN
fprintulast:
e$ = fixoperationorder$(e$)
IF Error_Happened THEN EXIT SUB
IF last THEN l$ = l$ + sp + tlayout$ ELSE l$ = l$ + sp + tlayout$ + sp2 + a2$
e$ = evaluate(e$, typ)
IF Error_Happened THEN EXIT SUB
IF (typ AND ISREFERENCE) THEN e$ = refer(e$, typ, 0)
IF Error_Happened THEN EXIT SUB
IF typ AND ISSTRING THEN
IF LEFT$(e$, 9) = "func_tab(" OR LEFT$(e$, 9) = "func_spc(" THEN
'TAB/SPC exception
'note: position in format-string must be maintained
'-print any string up until now
PRINT #12, "sub_file_print(tmp_fileno,tqbs,0,0,0);"
'-print e$
PRINT #12, "qbs_set(tqbs," + e$ + ");"
PRINT #12, "if (new_error) goto skip_pu" + u$ + ";"
PRINT #12, "sub_file_print(tmp_fileno,tqbs,0,0,0);"
'-set length of tqbs to 0
PRINT #12, "tqbs->len=0;"
ELSE
'regular string
PRINT #12, "tmp_long=print_using(" + puf$ + ",tmp_long,tqbs," + e$ + ");"
END IF
ELSE 'not a string
IF typ AND ISFLOAT THEN
IF (typ AND 511) = 32 THEN PRINT #12, "tmp_long=print_using_single(" + puf$ + "," + e$ + ",tmp_long,tqbs);"
IF (typ AND 511) = 64 THEN PRINT #12, "tmp_long=print_using_double(" + puf$ + "," + e$ + ",tmp_long,tqbs);"
IF (typ AND 511) > 64 THEN PRINT #12, "tmp_long=print_using_float(" + puf$ + "," + e$ + ",tmp_long,tqbs);"
ELSE
IF ((typ AND 511) = 64) AND (typ AND ISUNSIGNED) <> 0 THEN
PRINT #12, "tmp_long=print_using_uinteger64(" + puf$ + "," + e$ + ",tmp_long,tqbs);"
ELSE
PRINT #12, "tmp_long=print_using_integer64(" + puf$ + "," + e$ + ",tmp_long,tqbs);"
END IF
END IF
END IF 'string/not string
PRINT #12, "if (new_error) goto skip_pu" + u$ + ";"
e$ = ""
IF last THEN EXIT FOR
GOTO fprintunext
END IF
END IF
IF LEN(e$) THEN e$ = e$ + sp + a2$ ELSE e$ = a2$
fprintunext:
NEXT
IF e$ <> "" THEN a2$ = "": last = 1: GOTO fprintulast
PRINT #12, "skip_pu" + u$ + ":"
'check for errors
PRINT #12, "if (new_error){"
PRINT #12, "g_tmp_long=new_error; new_error=0; sub_file_print(tmp_fileno,tqbs,0,0,0); new_error=g_tmp_long;"
PRINT #12, "}else{"
IF a2$ = "," OR a2$ = ";" THEN nl = 0 ELSE nl = 1 'note: a2$ is set to the last element of a$
PRINT #12, "sub_file_print(tmp_fileno,tqbs,0,0," + str2$(nl) + ");"
PRINT #12, "}"
PRINT #12, "qbs_free(tqbs);"
PRINT #12, "qbs_free(" + puf$ + ");"
PRINT #12, "skip" + u$ + ":"
PRINT #12, cleanupstringprocessingcall$ + "0);"
PRINT #12, "tab_spc_cr_size=1;"
tlayout$ = l$
EXIT SUB
END IF
END IF
'end of print using code
IF i > n THEN
PRINT #12, "sub_file_print(tmp_fileno,nothingstring,0,0,1);"
GOTO printblankline
END IF
b = 0
e$ = ""
last = 0
FOR i = i TO n
a2$ = getelement(ca$, i)
IF a2$ = "(" THEN b = b + 1
IF a2$ = ")" THEN b = b - 1
IF b = 0 THEN
IF a2$ = ";" OR a2$ = "," OR UCASE$(a2$) = "USING" THEN
printfilelast:
IF UCASE$(a2$) = "USING" THEN
IF e$ <> "" THEN gotofpu = 1 ELSE GOTO fpujump
END IF
IF a2$ = "," THEN usetab = 1 ELSE usetab = 0
IF last = 1 THEN newline = 1 ELSE newline = 0
extraspace = 0
IF LEN(e$) THEN
ebak$ = e$
pnrtnum = 0
printfilenumber:
e$ = fixoperationorder$(e$)
IF Error_Happened THEN EXIT SUB
IF pnrtnum = 0 THEN
IF last THEN l$ = l$ + sp + tlayout$ ELSE l$ = l$ + sp + tlayout$ + sp2 + a2$
END IF
e$ = evaluate(e$, typ)
IF Error_Happened THEN EXIT SUB
IF (typ AND ISSTRING) = 0 THEN
e$ = "STR$" + sp + "(" + sp + ebak$ + sp + ")"
extraspace = 1
pnrtnum = 1
GOTO printfilenumber 'force re-evaluation
END IF
IF (typ AND ISREFERENCE) THEN e$ = refer(e$, typ, 0)
IF Error_Happened THEN EXIT SUB
'format: string, (1/0) extraspace, (1/0) tab, (1/0)begin a new line
PRINT #12, "sub_file_print(tmp_fileno," + e$ + ","; extraspace; ","; usetab; ","; newline; ");"
ELSE 'len(e$)=0
IF a2$ = "," THEN l$ = l$ + sp + a2$
IF a2$ = ";" THEN
IF RIGHT$(l$, 1) <> ";" THEN l$ = l$ + sp + a2$ 'concat ;; to ;
END IF
IF usetab THEN PRINT #12, "sub_file_print(tmp_fileno,nothingstring,0,1,0);"
END IF 'len(e$)
PRINT #12, "if (new_error) goto skip" + u$ + ";"
e$ = ""
IF gotofpu THEN GOTO fpujump
IF last THEN EXIT FOR
GOTO printfilenext
END IF ', or ;
END IF 'b=0
IF e$ <> "" THEN e$ = e$ + sp + a2$ ELSE e$ = a2$
printfilenext:
NEXT
IF e$ <> "" THEN a2$ = "": last = 1: GOTO printfilelast
printblankline:
PRINT #12, "skip" + u$ + ":"
PRINT #12, cleanupstringprocessingcall$ + "0);"
PRINT #12, "tab_spc_cr_size=1;"
tlayout$ = l$
END SUB
SUB xfilewrite (ca$, n)
l$ = "WRITE" + sp + "#"
u$ = str2$(uniquenumber)
PRINT #12, "tab_spc_cr_size=2;"
IF n = 2 THEN Give_Error "Expected # ...": EXIT SUB
a3$ = ""
b = 0
FOR i = 3 TO n
a2$ = getelement$(ca$, i)
IF a2$ = "(" THEN b = b + 1
IF a2$ = ")" THEN b = b - 1
IF a2$ = "," AND b = 0 THEN
IF a3$ = "" THEN Give_Error "Expected # ... , ...": EXIT SUB
GOTO writegotfn
END IF
IF a3$ = "" THEN a3$ = a2$ ELSE a3$ = a3$ + sp + a2$
NEXT
Give_Error "Expected # ... ,": EXIT SUB
writegotfn:
e$ = fixoperationorder$(a3$)
IF Error_Happened THEN EXIT SUB
l$ = l$ + sp2 + tlayout$ + sp2 + ","
e$ = evaluatetotyp(e$, 64&)
IF Error_Happened THEN EXIT SUB
PRINT #12, "tab_fileno=tmp_fileno=" + e$ + ";"
PRINT #12, "if (new_error) goto skip" + u$ + ";"
i = i + 1
IF i > n THEN
PRINT #12, "sub_file_print(tmp_fileno,nothingstring,0,0,1);"
GOTO writeblankline
END IF
b = 0
e$ = ""
last = 0
FOR i = i TO n
a2$ = getelement(ca$, i)
IF a2$ = "(" THEN b = b + 1
IF a2$ = ")" THEN b = b - 1
IF b = 0 THEN
IF a2$ = "," THEN
writefilelast:
IF last = 1 THEN newline = 1 ELSE newline = 0
ebak$ = e$
reevaled = 0
writefilenumber:
e$ = fixoperationorder$(e$)
IF Error_Happened THEN EXIT SUB
IF reevaled = 0 THEN
l$ = l$ + sp + tlayout$
IF last = 0 THEN l$ = l$ + sp2 + ","
END IF
e$ = evaluate(e$, typ)
IF Error_Happened THEN EXIT SUB
IF reevaled = 0 THEN
IF (typ AND ISSTRING) = 0 THEN
e$ = "LTRIM$" + sp + "(" + sp + "STR$" + sp + "(" + sp + ebak$ + sp + ")" + sp + ")"
IF last = 0 THEN e$ = e$ + sp + "+" + sp + CHR$(34) + "," + CHR$(34) + ",1"
reevaled = 1
GOTO writefilenumber 'force re-evaluation
ELSE
e$ = CHR$(34) + "\042" + CHR$(34) + ",1" + sp + "+" + sp + ebak$ + sp + "+" + sp + CHR$(34) + "\042" + CHR$(34) + ",1"
IF last = 0 THEN e$ = e$ + sp + "+" + sp + CHR$(34) + "," + CHR$(34) + ",1"
reevaled = 1
GOTO writefilenumber 'force re-evaluation
END IF
END IF
IF (typ AND ISREFERENCE) THEN e$ = refer(e$, typ, 0)
IF Error_Happened THEN EXIT SUB
'format: string, (1/0) extraspace, (1/0) tab, (1/0)begin a new line
PRINT #12, "sub_file_print(tmp_fileno," + e$ + ",0,0,"; newline; ");"
PRINT #12, "if (new_error) goto skip" + u$ + ";"
e$ = ""
IF last THEN EXIT FOR
GOTO writefilenext
END IF ',
END IF 'b=0
IF e$ <> "" THEN e$ = e$ + sp + a2$ ELSE e$ = a2$
writefilenext:
NEXT
IF e$ <> "" THEN a2$ = ",": last = 1: GOTO writefilelast
writeblankline:
'print #12, "}"'new_error
PRINT #12, "skip" + u$ + ":"
PRINT #12, cleanupstringprocessingcall$ + "0);"
PRINT #12, "tab_spc_cr_size=1;"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
END SUB
SUB xgosub (ca$, n&)
a2$ = getelement(ca$, 2)
IF validlabel(a2$) = 0 THEN Give_Error "Invalid label": EXIT SUB
v = HashFind(a2$, HASHFLAG_LABEL, ignore, r)
x = 1
labchk200:
IF v THEN
s = Labels(r).Scope
IF s = subfuncn OR s = -1 THEN 'same scope?
IF s = -1 THEN Labels(r).Scope = subfuncn 'acquire scope
x = 0 'already defined
tlayout$ = RTRIM$(Labels(r).cn)
ELSE
IF v = 2 THEN v = HashFindCont(ignore, r): GOTO labchk200
END IF
END IF
IF x THEN
'does not exist
nLabels = nLabels + 1: IF nLabels > Labels_Ubound THEN Labels_Ubound = Labels_Ubound * 2: REDIM _PRESERVE Labels(1 TO Labels_Ubound) AS Label_Type
Labels(nLabels) = Empty_Label
HashAdd a2$, HASHFLAG_LABEL, nLabels
r = nLabels
Labels(r).State = 0
Labels(r).cn = tlayout$
Labels(r).Scope = subfuncn
Labels(r).Error_Line = linenumber
END IF 'x
l$ = "GOSUB" + sp + tlayout$
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
'note: This code fragment also used by ON ... GOTO/GOSUB
'assume label is reachable (revise)
PRINT #12, "return_point[next_return_point++]=" + str2(gosubid) + ";"
PRINT #12, "if (next_return_point>=return_points) more_return_points();"
PRINT #12, "goto LABEL_" + a2$ + ";"
'add return point jump
PRINT #15, "case " + str2(gosubid) + ":"
PRINT #15, "goto RETURN_" + str2(gosubid) + ";"
PRINT #15, "break;"
PRINT #12, "RETURN_" + str2(gosubid) + ":;"
gosubid = gosubid + 1
END SUB
SUB xongotogosub (a$, ca$, n)
IF n < 4 THEN Give_Error "Expected ON expression GOTO/GOSUB label,label,...": EXIT SUB
l$ = "ON"
b = 0
FOR i = 2 TO n
e2$ = getelement$(a$, i)
IF e2$ = "(" THEN b = b + 1
IF e2$ = ")" THEN b = b - 1
IF e2$ = "GOTO" OR e2$ = "GOSUB" THEN EXIT FOR
NEXT
IF i >= n OR i = 2 THEN Give_Error "Expected ON expression GOTO/GOSUB label,label,...": EXIT SUB
e$ = getelements$(ca$, 2, i - 1)
g = 0: IF e2$ = "GOSUB" THEN g = 1
e$ = fixoperationorder(e$)
IF Error_Happened THEN EXIT SUB
l$ = l$ + sp + tlayout$
e$ = evaluate(e$, typ)
IF Error_Happened THEN EXIT SUB
IF (typ AND ISREFERENCE) THEN e$ = refer(e$, typ, 0)
IF Error_Happened THEN EXIT SUB
IF (typ AND ISSTRING) THEN Give_Error "Expected numeric expression": EXIT SUB
IF (typ AND ISFLOAT) THEN
e$ = "qbr_float_to_long(" + e$ + ")"
END IF
l$ = l$ + sp + e2$
u$ = str2$(uniquenumber)
PRINT #13, "static int32 ongo_" + u$ + "=0;"
PRINT #12, "ongo_" + u$ + "=" + e$ + ";"
ln = 1
labelwaslast = 0
FOR i = i + 1 TO n
e$ = getelement$(ca$, i)
IF e$ = "," THEN
l$ = l$ + sp2 + ","
IF i = n THEN Give_Error "Trailing , invalid": EXIT SUB
ln = ln + 1
labelwaslast = 0
ELSE
IF labelwaslast THEN Give_Error "Expected ,": EXIT SUB
IF validlabel(e$) = 0 THEN Give_Error "Invalid label!": EXIT SUB
v = HashFind(e$, HASHFLAG_LABEL, ignore, r)
x = 1
labchk507:
IF v THEN
s = Labels(r).Scope
IF s = subfuncn OR s = -1 THEN 'same scope?
IF s = -1 THEN Labels(r).Scope = subfuncn 'acquire scope
x = 0 'already defined
tlayout$ = RTRIM$(Labels(r).cn)
ELSE
IF v = 2 THEN v = HashFindCont(ignore, r): GOTO labchk507
END IF
END IF
IF x THEN
'does not exist
nLabels = nLabels + 1: IF nLabels > Labels_Ubound THEN Labels_Ubound = Labels_Ubound * 2: REDIM _PRESERVE Labels(1 TO Labels_Ubound) AS Label_Type
Labels(nLabels) = Empty_Label
HashAdd e$, HASHFLAG_LABEL, nLabels
r = nLabels
Labels(r).State = 0
Labels(r).cn = tlayout$
Labels(r).Scope = subfuncn
Labels(r).Error_Line = linenumber
END IF 'x
l$ = l$ + sp + tlayout$
IF g THEN 'gosub
lb$ = e$
PRINT #12, "if (ongo_" + u$ + "==" + str2$(ln) + "){"
'note: This code fragment also used by ON ... GOTO/GOSUB
'assume label is reachable (revise)
PRINT #12, "return_point[next_return_point++]=" + str2(gosubid) + ";"
PRINT #12, "if (next_return_point>=return_points) more_return_points();"
PRINT #12, "goto LABEL_" + lb$ + ";"
'add return point jump
PRINT #15, "case " + str2(gosubid) + ":"
PRINT #15, "goto RETURN_" + str2(gosubid) + ";"
PRINT #15, "break;"
PRINT #12, "RETURN_" + str2(gosubid) + ":;"
gosubid = gosubid + 1
PRINT #12, "goto ongo_" + u$ + "_skip;"
PRINT #12, "}"
ELSE 'goto
PRINT #12, "if (ongo_" + u$ + "==" + str2$(ln) + ") goto LABEL_" + e$ + ";"
END IF
labelwaslast = 1
END IF
NEXT
PRINT #12, "if (ongo_" + u$ + "<0) error(5);"
IF g = 1 THEN PRINT #12, "ongo_" + u$ + "_skip:;"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
END SUB
SUB xprint (a$, ca$, n)
u$ = str2$(uniquenumber)
l$ = "PRINT"
IF ASC(a$) = 76 THEN lp = 1: lp$ = "l": l$ = "LPRINT": PRINT #12, "tab_LPRINT=1;": DEPENDENCY(DEPENDENCY_PRINTER) = 1 '"L"
'PRINT USING?
IF n >= 2 THEN
IF getelement(a$, 2) = "USING" THEN
'get format string
i = 3
pujump:
l$ = l$ + sp + "USING"
e$ = "": b = 0: puformat$ = ""
FOR i = i TO n
a2$ = getelement(ca$, i)
IF a2$ = "(" THEN b = b + 1
IF a2$ = ")" THEN b = b - 1
IF b = 0 THEN
IF a2$ = "," THEN Give_Error "Expected PRINT USING formatstring ; ...": EXIT SUB
IF a2$ = ";" THEN
e$ = fixoperationorder$(e$)
IF Error_Happened THEN EXIT SUB
l$ = l$ + sp + tlayout$ + sp2 + ";"
e$ = evaluate(e$, typ)
IF Error_Happened THEN EXIT SUB
IF (typ AND ISREFERENCE) THEN e$ = refer(e$, typ, 0)
IF Error_Happened THEN EXIT SUB
IF (typ AND ISSTRING) = 0 THEN Give_Error "Expected PRINT USING formatstring ; ...": EXIT SUB
puformat$ = e$
EXIT FOR
END IF ';
END IF 'b
IF LEN(e$) THEN e$ = e$ + sp + a2$ ELSE e$ = a2$
NEXT
IF puformat$ = "" THEN Give_Error "Expected PRINT USING formatstring ; ...": EXIT SUB
IF i = n THEN Give_Error "Expected PRINT USING formatstring ; ...": EXIT SUB
'create build string
PRINT #12, "tqbs=qbs_new(0,0);"
'set format start/index variable
PRINT #12, "tmp_long=0;" 'scan format from beginning
'create string to hold format in for multiple references
puf$ = "print_using_format" + u$
IF subfunc = "" THEN
PRINT #13, "static qbs *" + puf$ + ";"
ELSE
PRINT #13, "qbs *" + puf$ + ";"
END IF
PRINT #12, puf$ + "=qbs_new(0,0); qbs_set(" + puf$ + "," + puformat$ + ");"
PRINT #12, "if (new_error) goto skip_pu" + u$ + ";"
'print expressions
b = 0
e$ = ""
last = 0
FOR i = i + 1 TO n
a2$ = getelement(ca$, i)
IF a2$ = "(" THEN b = b + 1
IF a2$ = ")" THEN b = b - 1
IF b = 0 THEN
IF a2$ = ";" OR a2$ = "," THEN
printulast:
e$ = fixoperationorder$(e$)
IF Error_Happened THEN EXIT SUB
IF last THEN l$ = l$ + sp + tlayout$ ELSE l$ = l$ + sp + tlayout$ + sp2 + a2$
e$ = evaluate(e$, typ)
IF Error_Happened THEN EXIT SUB
IF (typ AND ISREFERENCE) THEN e$ = refer(e$, typ, 0)
IF Error_Happened THEN EXIT SUB
IF typ AND ISSTRING THEN
IF LEFT$(e$, 9) = "func_tab(" OR LEFT$(e$, 9) = "func_spc(" THEN
'TAB/SPC exception
'note: position in format-string must be maintained
'-print any string up until now
PRINT #12, "qbs_" + lp$ + "print(tqbs,0);"
'-print e$
PRINT #12, "qbs_set(tqbs," + e$ + ");"
PRINT #12, "if (new_error) goto skip_pu" + u$ + ";"
IF lp THEN PRINT #12, "lprint_makefit(tqbs);" ELSE PRINT #12, "makefit(tqbs);"
PRINT #12, "qbs_" + lp$ + "print(tqbs,0);"
'-set length of tqbs to 0
PRINT #12, "tqbs->len=0;"
ELSE
'regular string
PRINT #12, "tmp_long=print_using(" + puf$ + ",tmp_long,tqbs," + e$ + ");"
END IF
ELSE 'not a string
IF typ AND ISFLOAT THEN
IF (typ AND 511) = 32 THEN PRINT #12, "tmp_long=print_using_single(" + puf$ + "," + e$ + ",tmp_long,tqbs);"
IF (typ AND 511) = 64 THEN PRINT #12, "tmp_long=print_using_double(" + puf$ + "," + e$ + ",tmp_long,tqbs);"
IF (typ AND 511) > 64 THEN PRINT #12, "tmp_long=print_using_float(" + puf$ + "," + e$ + ",tmp_long,tqbs);"
ELSE
IF ((typ AND 511) = 64) AND (typ AND ISUNSIGNED) <> 0 THEN
PRINT #12, "tmp_long=print_using_uinteger64(" + puf$ + "," + e$ + ",tmp_long,tqbs);"
ELSE
PRINT #12, "tmp_long=print_using_integer64(" + puf$ + "," + e$ + ",tmp_long,tqbs);"
END IF
END IF
END IF 'string/not string
PRINT #12, "if (new_error) goto skip_pu" + u$ + ";"
e$ = ""
IF last THEN EXIT FOR
GOTO printunext
END IF
END IF
IF LEN(e$) THEN e$ = e$ + sp + a2$ ELSE e$ = a2$
printunext:
NEXT
IF e$ <> "" THEN a2$ = "": last = 1: GOTO printulast
PRINT #12, "skip_pu" + u$ + ":"
'check for errors
PRINT #12, "if (new_error){"
PRINT #12, "g_tmp_long=new_error; new_error=0; qbs_" + lp$ + "print(tqbs,0); new_error=g_tmp_long;"
PRINT #12, "}else{"
IF a2$ = "," OR a2$ = ";" THEN nl = 0 ELSE nl = 1 'note: a2$ is set to the last element of a$
PRINT #12, "qbs_" + lp$ + "print(tqbs," + str2$(nl) + ");"
PRINT #12, "}"
PRINT #12, "qbs_free(tqbs);"
PRINT #12, "qbs_free(" + puf$ + ");"
PRINT #12, "skip" + u$ + ":"
PRINT #12, cleanupstringprocessingcall$ + "0);"
IF lp THEN PRINT #12, "tab_LPRINT=0;"
tlayout$ = l$
EXIT SUB
END IF
END IF
'end of print using code
b = 0
e$ = ""
last = 0
PRINT #12, "tqbs=qbs_new(0,0);" 'initialize the temp string
FOR i = 2 TO n
a2$ = getelement(ca$, i)
IF a2$ = "(" THEN b = b + 1
IF a2$ = ")" THEN b = b - 1
IF b = 0 THEN
IF a2$ = ";" OR a2$ = "," OR UCASE$(a2$) = "USING" THEN
printlast:
IF UCASE$(a2$) = "USING" THEN
IF e$ <> "" THEN gotopu = 1 ELSE i = i + 1: GOTO pujump
END IF
IF LEN(e$) THEN
ebak$ = e$
pnrtnum = 0
printnumber:
e$ = fixoperationorder$(e$)
IF Error_Happened THEN EXIT SUB
IF pnrtnum = 0 THEN
IF last THEN l$ = l$ + sp + tlayout$ ELSE l$ = l$ + sp + tlayout$ + sp2 + a2$
END IF
e$ = evaluate(e$, typ)
IF Error_Happened THEN EXIT SUB
IF (typ AND ISSTRING) = 0 THEN
'not a string expresion!
e$ = "STR$" + sp + "(" + sp + ebak$ + sp + ")" + sp + "+" + sp + CHR$(34) + " " + CHR$(34)
pnrtnum = 1
GOTO printnumber
END IF
IF (typ AND ISREFERENCE) THEN e$ = refer(e$, typ, 0)
IF Error_Happened THEN EXIT SUB
PRINT #12, "qbs_set(tqbs," + e$ + ");"
PRINT #12, "if (new_error) goto skip" + u$ + ";"
IF lp THEN PRINT #12, "lprint_makefit(tqbs);" ELSE PRINT #12, "makefit(tqbs);"
PRINT #12, "qbs_" + lp$ + "print(tqbs,0);"
ELSE
IF a2$ = "," THEN l$ = l$ + sp + a2$
IF a2$ = ";" THEN
IF RIGHT$(l$, 1) <> ";" THEN l$ = l$ + sp + a2$ 'concat ;; to ;
END IF
END IF 'len(e$)
IF a2$ = "," THEN PRINT #12, "tab();"
e$ = ""
IF gotopu THEN i = i + 1: GOTO pujump
IF last THEN
PRINT #12, "qbs_" + lp$ + "print(nothingstring,1);" 'go to new line
EXIT FOR
END IF
GOTO printnext
END IF 'a2$
END IF 'b=0
IF LEN(e$) THEN e$ = e$ + sp + a2$ ELSE e$ = a2$
printnext:
NEXT
IF LEN(e$) THEN a2$ = "": last = 1: GOTO printlast
IF n = 1 THEN PRINT #12, "qbs_" + lp$ + "print(nothingstring,1);"
PRINT #12, "skip" + u$ + ":"
PRINT #12, "qbs_free(tqbs);"
PRINT #12, cleanupstringprocessingcall$ + "0);"
IF lp THEN PRINT #12, "tab_LPRINT=0;"
tlayout$ = l$
END SUB
SUB xread (ca$, n)
l$ = "READ"
IF n = 1 THEN Give_Error "Expected variable": EXIT SUB
i = 2
IF i > n THEN Give_Error "Expected , ...": EXIT SUB
a3$ = ""
b = 0
FOR i = i TO n
a2$ = getelement$(ca$, i)
IF a2$ = "(" THEN b = b + 1
IF a2$ = ")" THEN b = b - 1
IF (a2$ = "," AND b = 0) OR i = n THEN
IF i = n THEN
IF a3$ = "" THEN a3$ = a2$ ELSE a3$ = a3$ + sp + a2$
END IF
IF a3$ = "" THEN Give_Error "Expected , ...": EXIT SUB
e$ = fixoperationorder$(a3$)
IF Error_Happened THEN EXIT SUB
l$ = l$ + sp + tlayout$: IF i <> n THEN l$ = l$ + sp2 + ","
e$ = evaluate(e$, t)
IF Error_Happened THEN EXIT SUB
IF (t AND ISREFERENCE) = 0 THEN Give_Error "Expected variable": EXIT SUB
IF (t AND ISSTRING) THEN
e$ = refer(e$, t, 0)
IF Error_Happened THEN EXIT SUB
PRINT #12, "sub_read_string(data,&data_offset,data_size," + e$ + ");"
stringprocessinghappened = 1
ELSE
'numeric variable
IF (t AND ISFLOAT) <> 0 OR (t AND 511) <> 64 THEN
IF (t AND ISOFFSETINBITS) THEN
setrefer e$, t, "((int64)func_read_float(data,&data_offset,data_size," + str2(t) + "))", 1
IF Error_Happened THEN EXIT SUB
ELSE
setrefer e$, t, "func_read_float(data,&data_offset,data_size," + str2(t) + ")", 1
IF Error_Happened THEN EXIT SUB
END IF
ELSE
IF t AND ISUNSIGNED THEN
setrefer e$, t, "func_read_uint64(data,&data_offset,data_size)", 1
IF Error_Happened THEN EXIT SUB
ELSE
setrefer e$, t, "func_read_int64(data,&data_offset,data_size)", 1
IF Error_Happened THEN EXIT SUB
END IF
END IF
END IF 'string/numeric
IF i = n THEN EXIT FOR
a3$ = "": a2$ = ""
END IF
IF a3$ = "" THEN a3$ = a2$ ELSE a3$ = a3$ + sp + a2$
NEXT
IF stringprocessinghappened THEN PRINT #12, cleanupstringprocessingcall$ + "0);"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
END SUB
SUB xwrite (ca$, n)
l$ = "WRITE"
u$ = str2$(uniquenumber)
IF n = 1 THEN
PRINT #12, "qbs_print(nothingstring,1);"
GOTO writeblankline2
END IF
b = 0
e$ = ""
last = 0
FOR i = 2 TO n
a2$ = getelement(ca$, i)
IF a2$ = "(" THEN b = b + 1
IF a2$ = ")" THEN b = b - 1
IF b = 0 THEN
IF a2$ = "," THEN
writelast:
IF last = 1 THEN newline = 1 ELSE newline = 0
ebak$ = e$
reevaled = 0
writechecked:
e$ = fixoperationorder$(e$)
IF Error_Happened THEN EXIT SUB
IF reevaled = 0 THEN
l$ = l$ + sp + tlayout$
IF last = 0 THEN l$ = l$ + sp2 + ","
END IF
e$ = evaluate(e$, typ)
IF Error_Happened THEN EXIT SUB
IF reevaled = 0 THEN
IF (typ AND ISSTRING) = 0 THEN
e$ = "LTRIM$" + sp + "(" + sp + "STR$" + sp + "(" + sp + ebak$ + sp + ")" + sp + ")"
IF last = 0 THEN e$ = e$ + sp + "+" + sp + CHR$(34) + "," + CHR$(34) + ",1"
reevaled = 1
GOTO writechecked 'force re-evaluation
ELSE
e$ = CHR$(34) + "\042" + CHR$(34) + ",1" + sp + "+" + sp + ebak$ + sp + "+" + sp + CHR$(34) + "\042" + CHR$(34) + ",1"
IF last = 0 THEN e$ = e$ + sp + "+" + sp + CHR$(34) + "," + CHR$(34) + ",1"
reevaled = 1
GOTO writechecked 'force re-evaluation
END IF
END IF
IF (typ AND ISREFERENCE) THEN e$ = refer(e$, typ, 0)
IF Error_Happened THEN EXIT SUB
'format: string, (1/0) extraspace, (1/0) tab, (1/0)begin a new line
PRINT #12, "qbs_print(" + e$ + ","; newline; ");"
PRINT #12, "if (new_error) goto skip" + u$ + ";"
e$ = ""
IF last THEN EXIT FOR
GOTO writenext
END IF ',
END IF 'b=0
IF e$ <> "" THEN e$ = e$ + sp + a2$ ELSE e$ = a2$
writenext:
NEXT
IF e$ <> "" THEN a2$ = ",": last = 1: GOTO writelast
writeblankline2:
PRINT #12, "skip" + u$ + ":"
PRINT #12, cleanupstringprocessingcall$ + "0);"
layoutdone = 1: IF LEN(layout$) THEN layout$ = layout$ + sp + l$ ELSE layout$ = l$
END SUB
FUNCTION evaluateconst$ (a2$, t AS LONG)
a$ = a2$
IF Debug THEN PRINT #9, "evaluateconst:in:" + a$
DIM block(1000) AS STRING
DIM status(1000) AS INTEGER
'0=unprocessed (can be "")
'1=processed
DIM btype(1000) AS LONG 'for status=1 blocks
'put a$ into blocks
n = numelements(a$)
FOR i = 1 TO n
block(i) = getelement$(a$, i)
NEXT
evalconstevalbrack:
'find highest bracket level
l = 0
b = 0
FOR i = 1 TO n
IF block(i) = "(" THEN b = b + 1
IF block(i) = ")" THEN b = b - 1
IF b > l THEN l = b
NEXT
'if brackets exist, evaluate that item first
IF l THEN
b = 0
e$ = ""
FOR i = 1 TO n
IF block(i) = ")" THEN
IF b = l THEN block(i) = "": EXIT FOR
b = b - 1
END IF
IF b >= l THEN
IF LEN(e$) = 0 THEN e$ = block(i) ELSE e$ = e$ + sp + block(i)
block(i) = ""
END IF
IF block(i) = "(" THEN
b = b + 1
IF b = l THEN i2 = i: block(i) = ""
END IF
NEXT i
status(i) = 1
block(i) = evaluateconst$(e$, btype(i))
IF Error_Happened THEN EXIT FUNCTION
GOTO evalconstevalbrack
END IF 'l
'linear equation remains with some pre-calculated & non-pre-calc blocks
'problem: type QBASIC assumes and type required to store calc. value may
' differ dramatically. in qbasic, this would have caused an overflow,
' but in qb64 it MUST work. eg. 32767% * 32767%
'solution: all interger calc. will be performed using a signed _INTEGER64
' all float calc. will be performed using a _FLOAT
'convert non-calc block numbers into binary form with QBASIC-like type
FOR i = 1 TO n
IF status(i) = 0 THEN
IF LEN(block(i)) THEN
a = ASC(block(i))
IF (a = 45 AND LEN(block(i)) > 1) OR (a >= 48 AND a <= 57) THEN 'number?
'integers
e$ = RIGHT$(block(i), 3)
IF e$ = "~&&" THEN btype(i) = UINTEGER64TYPE - ISPOINTER: GOTO gotconstblkityp
IF e$ = "~%%" THEN btype(i) = UBYTETYPE - ISPOINTER: GOTO gotconstblkityp
e$ = RIGHT$(block(i), 2)
IF e$ = "&&" THEN btype(i) = INTEGER64TYPE - ISPOINTER: GOTO gotconstblkityp
IF e$ = "%%" THEN btype(i) = BYTETYPE - ISPOINTER: GOTO gotconstblkityp
IF e$ = "~%" THEN btype(i) = UINTEGERTYPE - ISPOINTER: GOTO gotconstblkityp
IF e$ = "~&" THEN btype(i) = ULONGTYPE - ISPOINTER: GOTO gotconstblkityp
e$ = RIGHT$(block(i), 1)
IF e$ = "%" THEN btype(i) = INTEGERTYPE - ISPOINTER: GOTO gotconstblkityp
IF e$ = "&" THEN btype(i) = LONGTYPE - ISPOINTER: GOTO gotconstblkityp
'ubit-type?
IF INSTR(block(i), "~`") THEN
x = INSTR(block(i), "~`")
IF x = LEN(block(i)) - 1 THEN block(i) = block(i) + "1"
btype(i) = UBITTYPE - ISPOINTER - 1 + VAL(RIGHT$(block(i), LEN(block(i)) - x - 1))
block(i) = _MK$(_INTEGER64, VAL(LEFT$(block(i), x - 1)))
status(i) = 1
GOTO gotconstblktyp
END IF
'bit-type?
IF INSTR(block(i), "`") THEN
x = INSTR(block(i), "`")
IF x = LEN(block(i)) THEN block(i) = block(i) + "1"
btype(i) = BITTYPE - ISPOINTER - 1 + VAL(RIGHT$(block(i), LEN(block(i)) - x))
block(i) = _MK$(_INTEGER64, VAL(LEFT$(block(i), x - 1)))
status(i) = 1
GOTO gotconstblktyp
END IF
'floats
IF INSTR(block(i), "E") THEN
block(i) = _MK$(_FLOAT, VAL(block(i)))
btype(i) = SINGLETYPE - ISPOINTER
status(i) = 1
GOTO gotconstblktyp
END IF
IF INSTR(block(i), "D") THEN
block(i) = _MK$(_FLOAT, VAL(block(i)))
btype(i) = DOUBLETYPE - ISPOINTER
status(i) = 1
GOTO gotconstblktyp
END IF
IF INSTR(block(i), "F") THEN
block(i) = _MK$(_FLOAT, VAL(block(i)))
btype(i) = FLOATTYPE - ISPOINTER
status(i) = 1
GOTO gotconstblktyp
END IF
Give_Error "Invalid CONST expression.1": EXIT FUNCTION
gotconstblkityp:
block(i) = LEFT$(block(i), LEN(block(i)) - LEN(e$))
block(i) = _MK$(_INTEGER64, VAL(block(i)))
status(i) = 1
gotconstblktyp:
END IF 'a
IF a = 34 THEN 'string?
'no changes need to be made to block(i) which is of format "CHARACTERS",size
btype(i) = STRINGTYPE - ISPOINTER
status(i) = 1
END IF
END IF 'len<>0
END IF 'status
NEXT
'remove NULL blocks
n2 = 0
FOR i = 1 TO n
IF block(i) <> "" THEN
n2 = n2 + 1
block(n2) = block(i)
status(n2) = status(i)
btype(n2) = btype(i)
END IF
NEXT
n = n2
'only one block?
IF n = 1 THEN
IF status(1) = 0 THEN Give_Error "Invalid CONST expression.2": EXIT FUNCTION
t = btype(1)
evaluateconst$ = block(1)
EXIT FUNCTION
END IF 'n=1
'evaluate equation (equation cannot contain any STRINGs)
'[negation/not][variable]
e$ = block(1)
IF status(1) = 0 THEN
IF n <> 2 THEN Give_Error "Invalid CONST expression.4": EXIT FUNCTION
IF status(2) = 0 THEN Give_Error "Invalid CONST expression.5": EXIT FUNCTION
IF btype(2) AND ISSTRING THEN Give_Error "Invalid CONST expression.6": EXIT FUNCTION
o$ = block(1)
IF o$ = CHR$(241) THEN
IF btype(2) AND ISFLOAT THEN
r## = -_CV(_FLOAT, block(2))
evaluateconst$ = _MK$(_FLOAT, r##)
ELSE
r&& = -_CV(_INTEGER64, block(2))
evaluateconst$ = _MK$(_INTEGER64, r&&)
END IF
t = btype(2)
EXIT FUNCTION
END IF
IF o$ = "NOT" THEN
IF btype(2) AND ISFLOAT THEN
r&& = _CV(_FLOAT, block(2))
ELSE
r&& = _CV(_INTEGER64, block(2))
END IF
r&& = NOT r&&
t = btype(2)
IF t AND ISFLOAT THEN t = LONGTYPE - ISPOINTER 'markdown to LONG
evaluateconst$ = _MK$(_INTEGER64, r&&)
EXIT FUNCTION
END IF
Give_Error "Invalid CONST expression.7": EXIT FUNCTION
END IF
'[variable][bool-operator][variable]...
'get first variable
et = btype(1)
ev$ = block(1)
i = 2
evalconstequ:
'get operator
IF i >= n THEN Give_Error "Invalid CONST expression.8": EXIT FUNCTION
o$ = block(i)
i = i + 1
IF isoperator(o$) = 0 THEN Give_Error "Invalid CONST expression.9": EXIT FUNCTION
IF i > n THEN Give_Error "Invalid CONST expression.10": EXIT FUNCTION
'string/numeric mismatch?
IF (btype(i) AND ISSTRING) <> (et AND ISSTRING) THEN Give_Error "Invalid CONST expression.11": EXIT FUNCTION
IF et AND ISSTRING THEN
IF o$ <> "+" THEN Give_Error "Invalid CONST expression.12": EXIT FUNCTION
'concat strings
s1$ = RIGHT$(ev$, LEN(ev$) - 1)
s1$ = LEFT$(s1$, INSTR(s1$, CHR$(34)) - 1)
s1size = VAL(RIGHT$(ev$, LEN(ev$) - LEN(s1$) - 3))
s2$ = RIGHT$(block(i), LEN(block(i)) - 1)
s2$ = LEFT$(s2$, INSTR(s2$, CHR$(34)) - 1)
s2size = VAL(RIGHT$(block(i), LEN(block(i)) - LEN(s2$) - 3))
ev$ = CHR$(34) + s1$ + s2$ + CHR$(34) + "," + str2$(s1size + s2size)
GOTO econstmarkedup
END IF
'prepare left and right values
IF et AND ISFLOAT THEN
linteger = 0
l## = _CV(_FLOAT, ev$)
l&& = l##
ELSE
linteger = 1
l&& = _CV(_INTEGER64, ev$)
l## = l&&
END IF
IF btype(i) AND ISFLOAT THEN
rinteger = 0
r## = _CV(_FLOAT, block(i))
r&& = r##
ELSE
rinteger = 1
r&& = _CV(_INTEGER64, block(i))
r## = r&&
END IF
IF linteger = 1 AND rinteger = 1 THEN
IF o$ = "+" THEN r&& = l&& + r&&: GOTO econstmarkupi
IF o$ = "-" THEN r&& = l&& - r&&: GOTO econstmarkupi
IF o$ = "*" THEN r&& = l&& * r&&: GOTO econstmarkupi
IF o$ = "^" THEN r## = l&& ^ r&&: GOTO econstmarkupf
IF o$ = "/" THEN r## = l&& / r&&: GOTO econstmarkupf
IF o$ = "\" THEN r&& = l&& \ r&&: GOTO econstmarkupi
IF o$ = "MOD" THEN r&& = l&& MOD r&&: GOTO econstmarkupi
IF o$ = "=" THEN r&& = l&& = r&&: GOTO econstmarkupi16
IF o$ = ">" THEN r&& = l&& > r&&: GOTO econstmarkupi16
IF o$ = "<" THEN r&& = l&& < r&&: GOTO econstmarkupi16
IF o$ = ">=" THEN r&& = l&& >= r&&: GOTO econstmarkupi16
IF o$ = "<=" THEN r&& = l&& <= r&&: GOTO econstmarkupi16
IF o$ = "<>" THEN r&& = l&& <> r&&: GOTO econstmarkupi16
IF o$ = "IMP" THEN r&& = l&& IMP r&&: GOTO econstmarkupi
IF o$ = "EQV" THEN r&& = l&& EQV r&&: GOTO econstmarkupi
IF o$ = "XOR" THEN r&& = l&& XOR r&&: GOTO econstmarkupi
IF o$ = "OR" THEN r&& = l&& OR r&&: GOTO econstmarkupi
IF o$ = "AND" THEN r&& = l&& AND r&&: GOTO econstmarkupi
END IF
IF o$ = "+" THEN r## = l## + r##: GOTO econstmarkupf
IF o$ = "-" THEN r## = l## - r##: GOTO econstmarkupf
IF o$ = "*" THEN r## = l## * r##: GOTO econstmarkupf
IF o$ = "^" THEN r## = l## ^ r##: GOTO econstmarkupf
IF o$ = "/" THEN r## = l## / r##: GOTO econstmarkupf
IF o$ = "\" THEN r&& = l## \ r##: GOTO econstmarkupi32
IF o$ = "MOD" THEN r&& = l## MOD r##: GOTO econstmarkupi32
IF o$ = "=" THEN r&& = l## = r##: GOTO econstmarkupi16
IF o$ = ">" THEN r&& = l## > r##: GOTO econstmarkupi16
IF o$ = "<" THEN r&& = l## < r##: GOTO econstmarkupi16
IF o$ = ">=" THEN r&& = l## >= r##: GOTO econstmarkupi16
IF o$ = "<=" THEN r&& = l## <= r##: GOTO econstmarkupi16
IF o$ = "<>" THEN r&& = l## <> r##: GOTO econstmarkupi16
IF o$ = "IMP" THEN r&& = l## IMP r##: GOTO econstmarkupi32
IF o$ = "EQV" THEN r&& = l## EQV r##: GOTO econstmarkupi32
IF o$ = "XOR" THEN r&& = l## XOR r##: GOTO econstmarkupi32
IF o$ = "OR" THEN r&& = l## OR r##: GOTO econstmarkupi32
IF o$ = "AND" THEN r&& = l## AND r##: GOTO econstmarkupi32
Give_Error "Invalid CONST expression.13": EXIT FUNCTION
econstmarkupi16:
et = INTEGERTYPE - ISPOINTER
ev$ = _MK$(_INTEGER64, r&&)
GOTO econstmarkedup
econstmarkupi32:
et = LONGTYPE - ISPOINTER
ev$ = _MK$(_INTEGER64, r&&)
GOTO econstmarkedup
econstmarkupi:
IF et <> btype(i) THEN
'keep unsigned?
u = 0: IF (et AND ISUNSIGNED) <> 0 AND (btype(i) AND ISUNSIGNED) <> 0 THEN u = 1
lb = et AND 511: rb = btype(i) AND 511
ob = 0
IF lb = rb THEN
IF (et AND ISOFFSETINBITS) <> 0 AND (btype(i) AND ISOFFSETINBITS) <> 0 THEN ob = 1
b = lb
END IF
IF lb > rb THEN
IF (et AND ISOFFSETINBITS) <> 0 THEN ob = 1
b = lb
END IF
IF lb < rb THEN
IF (btype(i) AND ISOFFSETINBITS) <> 0 THEN ob = 1
b = rb
END IF
et = b
IF ob THEN et = et + ISOFFSETINBITS
IF u THEN et = et + ISUNSIGNED
END IF
ev$ = _MK$(_INTEGER64, r&&)
GOTO econstmarkedup
econstmarkupf:
lfb = 0: rfb = 0
lib = 0: rib = 0
IF et AND ISFLOAT THEN lfb = et AND 511 ELSE lib = et AND 511
IF btype(i) AND ISFLOAT THEN rfb = btype(i) AND 511 ELSE rib = btype(i) AND 511
f = 32
IF lib > 16 OR rib > 16 THEN f = 64
IF lfb > 32 OR rfb > 32 THEN f = 64
IF lib > 32 OR rib > 32 THEN f = 256
IF lfb > 64 OR rfb > 64 THEN f = 256
et = ISFLOAT + f
ev$ = _MK$(_FLOAT, r##)
econstmarkedup:
i = i + 1
IF i <= n THEN GOTO evalconstequ
t = et
evaluateconst$ = ev$
END FUNCTION
FUNCTION typevalue2symbol$ (t)
IF t AND ISSTRING THEN
IF t AND ISFIXEDLENGTH THEN Give_Error "Cannot convert expression type to symbol": EXIT FUNCTION
typevalue2symbol$ = "$"
EXIT FUNCTION
END IF
s$ = ""
IF t AND ISUNSIGNED THEN s$ = "~"
b = t AND 511
IF t AND ISOFFSETINBITS THEN
IF b > 1 THEN s$ = s$ + "`" + str2$(b) ELSE s$ = s$ + "`"
typevalue2symbol$ = s$
EXIT FUNCTION
END IF
IF t AND ISFLOAT THEN
IF b = 32 THEN s$ = "!"
IF b = 64 THEN s$ = "#"
IF b = 256 THEN s$ = "##"
typevalue2symbol$ = s$
EXIT FUNCTION
END IF
IF b = 8 THEN s$ = s$ + "%%"
IF b = 16 THEN s$ = s$ + "%"
IF b = 32 THEN s$ = s$ + "&"
IF b = 64 THEN s$ = s$ + "&&"
typevalue2symbol$ = s$
END FUNCTION
FUNCTION id2fulltypename$
t = id.t
IF t = 0 THEN t = id.arraytype
size = id.tsize
bits = t AND 511
IF t AND ISUDT THEN
a$ = RTRIM$(udtxcname(t AND 511))
id2fulltypename$ = a$: EXIT FUNCTION
END IF
IF t AND ISSTRING THEN
IF t AND ISFIXEDLENGTH THEN a$ = "STRING * " + str2(size) ELSE a$ = "STRING"
id2fulltypename$ = a$: EXIT FUNCTION
END IF
IF t AND ISOFFSETINBITS THEN
IF bits > 1 THEN a$ = "_BIT * " + str2(bits) ELSE a$ = "_BIT"
IF t AND ISUNSIGNED THEN a$ = "_UNSIGNED " + a$
id2fulltypename$ = a$: EXIT FUNCTION
END IF
IF t AND ISFLOAT THEN
IF bits = 32 THEN a$ = "SINGLE"
IF bits = 64 THEN a$ = "DOUBLE"
IF bits = 256 THEN a$ = "_FLOAT"
ELSE 'integer-based
IF bits = 8 THEN a$ = "_BYTE"
IF bits = 16 THEN a$ = "INTEGER"
IF bits = 32 THEN a$ = "LONG"
IF bits = 64 THEN a$ = "_INTEGER64"
IF t AND ISUNSIGNED THEN a$ = "_UNSIGNED " + a$
END IF
id2fulltypename$ = a$
END FUNCTION
FUNCTION symbol2fulltypename$ (s2$)
'note: accepts both symbols and type names
s$ = s2$
IF LEFT$(s$, 1) = "~" THEN
u = 1
IF LEN(typ$) = 1 THEN Give_Error "Expected ~...": EXIT FUNCTION
s$ = RIGHT$(s$, LEN(s$) - 1)
u$ = "_UNSIGNED "
END IF
IF s$ = "%%" THEN t$ = u$ + "_BYTE": GOTO gotsym2typ
IF s$ = "%" THEN t$ = u$ + "INTEGER": GOTO gotsym2typ
IF s$ = "&" THEN t$ = u$ + "LONG": GOTO gotsym2typ
IF s$ = "&&" THEN t$ = u$ + "_INTEGER64": GOTO gotsym2typ
IF s$ = "%&" THEN t$ = u$ + "_OFFSET": GOTO gotsym2typ
IF LEFT$(s$, 1) = "`" THEN
IF LEN(s$) = 1 THEN
t$ = u$ + "_BIT * 1"
GOTO gotsym2typ
END IF
n$ = RIGHT$(s$, LEN(s$) - 1)
IF isuinteger(n$) = 0 THEN Give_Error "Expected number after symbol `": EXIT FUNCTION
t$ = u$ + "_BIT * " + n$
GOTO gotsym2typ
END IF
IF u = 1 THEN Give_Error "Expected type symbol after ~": EXIT FUNCTION
IF s$ = "!" THEN t$ = "SINGLE": GOTO gotsym2typ
IF s$ = "#" THEN t$ = "DOUBLE": GOTO gotsym2typ
IF s$ = "##" THEN t$ = "_FLOAT": GOTO gotsym2typ
IF s$ = "$" THEN t$ = "STRING": GOTO gotsym2typ
IF LEFT$(s$, 1) = "$" THEN
n$ = RIGHT$(s$, LEN(s$) - 1)
IF isuinteger(n$) = 0 THEN Give_Error "Expected number after symbol $": EXIT FUNCTION
t$ = "STRING * " + n$
GOTO gotsym2typ
END IF
t$ = s$
gotsym2typ:
IF RIGHT$(" " + t$, 5) = " _BIT" THEN t$ = t$ + " * 1" 'clarify (_UNSIGNED) _BIT as (_UNSIGNED) _BIT * 1
FOR i = 1 TO LEN(t$)
IF ASC(t$, i) = ASC(sp) THEN ASC(t$, i) = 32
NEXT
symbol2fulltypename$ = t$
END FUNCTION
SUB lineinput3load (f$)
OPEN f$ FOR BINARY AS #1
l = LOF(1)
lineinput3buffer$ = SPACE$(l)
GET #1, , lineinput3buffer$
IF LEN(lineinput3buffer$) THEN IF RIGHT$(lineinput3buffer$, 1) = CHR$(26) THEN lineinput3buffer$ = LEFT$(lineinput3buffer$, LEN(lineinput3buffer$) - 1)
CLOSE #1
lineinput3index = 1
END SUB
FUNCTION lineinput3$
'returns CHR$(13) if no more lines are available
l = LEN(lineinput3buffer$)
IF lineinput3index > l THEN lineinput3$ = CHR$(13): EXIT FUNCTION
c13 = INSTR(lineinput3index, lineinput3buffer$, CHR$(13))
c10 = INSTR(lineinput3index, lineinput3buffer$, CHR$(10))
IF c10 = 0 AND c13 = 0 THEN
lineinput3$ = MID$(lineinput3buffer$, lineinput3index, l - lineinput3index + 1)
lineinput3index = l + 1
EXIT FUNCTION
END IF
IF c10 = 0 THEN c10 = 2147483647
IF c13 = 0 THEN c13 = 2147483647
IF c10 < c13 THEN
'10 before 13
lineinput3$ = MID$(lineinput3buffer$, lineinput3index, c10 - lineinput3index)
lineinput3index = c10 + 1
IF lineinput3index <= l THEN
IF ASC(MID$(lineinput3buffer$, lineinput3index, 1)) = 13 THEN lineinput3index = lineinput3index + 1
END IF
ELSE
'13 before 10
lineinput3$ = MID$(lineinput3buffer$, lineinput3index, c13 - lineinput3index)
lineinput3index = c13 + 1
IF lineinput3index <= l THEN
IF ASC(MID$(lineinput3buffer$, lineinput3index, 1)) = 10 THEN lineinput3index = lineinput3index + 1
END IF
END IF
END FUNCTION
FUNCTION getfilepath$ (f$)
FOR i = LEN(f$) TO 1 STEP -1
a$ = MID$(f$, i, 1)
IF a$ = "/" OR a$ = "\" THEN
getfilepath$ = LEFT$(f$, i)
EXIT FUNCTION
END IF
NEXT
getfilepath$ = ""
END FUNCTION
FUNCTION eleucase$ (a$)
'this function upper-cases all elements except for quoted strings
'check first element
IF LEN(a$) = 0 THEN EXIT FUNCTION
i = 1
IF ASC(a$) = 34 THEN
i2 = INSTR(a$, sp)
IF i2 = 0 THEN eleucase$ = a$: EXIT FUNCTION
a2$ = LEFT$(a$, i2 - 1)
i = i2
END IF
'check other elements
sp34$ = sp + CHR$(34)
IF i < LEN(a$) THEN
DO WHILE INSTR(i, a$, sp34$)
i2 = INSTR(i, a$, sp34$)
a2$ = a2$ + UCASE$(MID$(a$, i, i2 - i + 1)) 'everything prior including spacer
i3 = INSTR(i2 + 1, a$, sp): IF i3 = 0 THEN i3 = LEN(a$) ELSE i3 = i3 - 1
a2$ = a2$ + MID$(a$, i2 + 1, i3 - (i2 + 1) + 1) 'everything from " to before next spacer or end
i = i3 + 1
IF i > LEN(a$) THEN EXIT DO
LOOP
END IF
a2$ = a2$ + UCASE$(MID$(a$, i, LEN(a$) - i + 1))
eleucase$ = a2$
END FUNCTION
SUB SetDependency (requirement)
IF requirement THEN
DEPENDENCY(requirement) = 1
END IF
END SUB
SUB Build (path$)
previous_dir$ = _CWD$
'Count the separators in the path
depth = 1
FOR x = 1 TO LEN(path$)
IF ASC(path$, x) = 92 OR ASC(path$, x) = 47 THEN depth = depth + 1
NEXT
CHDIR path$
return_path$ = ".."
FOR x = 2 TO depth
return_path$ = return_path$ + "\.."
NEXT
bfh = FREEFILE
OPEN "build" + BATCHFILE_EXTENSION FOR BINARY AS #bfh
DO UNTIL EOF(bfh)
LINE INPUT #bfh, c$
use = 0
IF LEN(c$) THEN use = 1
IF c$ = "pause" THEN use = 0
IF LEFT$(c$, 1) = "#" THEN use = 0 'eg. #!/bin/sh
IF LEFT$(c$, 13) = "cd " + CHR$(34) + "$(dirname" THEN use = 0 'eg. cd "$(dirname "$0")"
IF INSTR(LCASE$(c$), "press any key") THEN EXIT DO
c$ = GDB_Fix$(c$)
IF use THEN
IF os$ = "WIN" THEN
SHELL _HIDE "cmd /C " + c$ + " 2>> " + return_path$ + "\" + compilelog$
ELSE
SHELL _HIDE c$ + " 2>> " + previous_dir$ + "/" + compilelog$
END IF
END IF
LOOP
CLOSE #bfh
IF os$ = "WIN" THEN
CHDIR return_path$
ELSE
CHDIR previous_dir$
END IF
END SUB
FUNCTION GDB_Fix$ (g_command$) 'edit a gcc/g++ command line to include debugging info
c$ = g_command$
IF Include_GDB_Debugging_Info THEN
IF LEFT$(c$, 4) = "gcc " OR LEFT$(c$, 4) = "g++ " THEN
c$ = LEFT$(c$, 4) + " -g " + RIGHT$(c$, LEN(c$) - 4)
GOTO added_gdb_flag
END IF
FOR o = 1 TO 6
IF o = 1 THEN o$ = "\g++ "
IF o = 2 THEN o$ = "/g++ "
IF o = 3 THEN o$ = "\gcc "
IF o = 4 THEN o$ = "/gcc "
IF o = 5 THEN o$ = " gcc "
IF o = 6 THEN o$ = " g++ "
x = INSTR(UCASE$(c$), UCASE$(o$))
'note: -g adds debug symbols
IF x THEN c$ = LEFT$(c$, x - 1) + o$ + " -g " + RIGHT$(c$, LEN(c$) - x - (LEN(o$) - 1)): EXIT FOR
NEXT
added_gdb_flag:
'note: -s strips all debug symbols which is good for size but not for debugging
x = INSTR(c$, " -s "): IF x THEN c$ = LEFT$(c$, x - 1) + " " + RIGHT$(c$, LEN(c$) - x - 3)
END IF
GDB_Fix$ = c$
END FUNCTION
SUB PATH_SLASH_CORRECT (a$)
IF os$ = "WIN" THEN
FOR x = 1 TO LEN(a$)
IF ASC(a$, x) = 47 THEN ASC(a$, x) = 92
NEXT
ELSE
FOR x = 1 TO LEN(a$)
IF ASC(a$, x) = 92 THEN ASC(a$, x) = 47
NEXT
END IF
END SUB
SUB UseAndroid (Yes)
STATIC inline_DATA_backup
STATIC inline_DATA_backup_set
IF inline_DATA_backup_set = 0 THEN
inline_DATA_backup_set = 1
inline_DATA_backup = inline_DATA
END IF
IF Yes THEN
IF MakeAndroid = 0 THEN
MakeAndroid = 1
inline_DATA = 1
idechangemade = 1
IDEBuildModeChanged = 1
END IF
ELSE
IF MakeAndroid THEN
MakeAndroid = 0
inline_DATA = inline_DATA_backup
idechangemade = 1
IDEBuildModeChanged = 1
END IF
END IF
END SUB
'Steve Subs/Functins for _MATH support with CONST
FUNCTION Evaluate_Expression$ (e$)
t$ = e$ 'So we preserve our original data, we parse a temp copy of it
b = INSTR(UCASE$(e$), "EQL") 'take out assignment before the preparser sees it
IF b THEN t$ = MID$(e$, b + 3): var$ = UCASE$(LTRIM$(RTRIM$(MID$(e$, 1, b - 1))))
QuickReturn = 0
PreParse t$
IF QuickReturn THEN Evaluate_Expression$ = t$: EXIT FUNCTION
IF LEFT$(t$, 5) = "ERROR" THEN Evaluate_Expression$ = t$: EXIT FUNCTION
'Deal with brackets first
exp$ = "(" + t$ + ")" 'Starting and finishing brackets for our parse routine.
DO
Eval_E = INSTR(exp$, ")")
IF Eval_E > 0 THEN
c = 0
DO UNTIL Eval_E - c <= 0
c = c + 1
IF Eval_E THEN
IF MID$(exp$, Eval_E - c, 1) = "(" THEN EXIT DO
END IF
LOOP
s = Eval_E - c + 1
IF s < 1 THEN PRINT "ERROR -- BAD () Count": END
eval$ = " " + MID$(exp$, s, Eval_E - s) + " " 'pad with a space before and after so the parser can pick up the values properly.
ParseExpression eval$
eval$ = LTRIM$(RTRIM$(eval$))
IF LEFT$(eval$, 5) = "ERROR" THEN Evaluate_Expression$ = eval$: EXIT SUB
exp$ = DWD(LEFT$(exp$, s - 2) + eval$ + MID$(exp$, Eval_E + 1))
IF MID$(exp$, 1, 1) = "N" THEN MID$(exp$, 1) = "-"
temppp$ = DWD(LEFT$(exp$, s - 2) + " ## " + eval$ + " ## " + MID$(exp$, E + 1))
END IF
LOOP UNTIL Eval_E = 0
c = 0
DO
c = c + 1
SELECT CASE MID$(exp$, c, 1)
CASE "0" TO "9", ".", "-" 'At this point, we should only have number values left.
CASE ELSE: Evaluate_Expression$ = "ERROR - Unknown Diagnosis: (" + exp$ + ") ": EXIT SUB
END SELECT
LOOP UNTIL c >= LEN(exp$)
Evaluate_Expression$ = exp$
END FUNCTION
SUB ParseExpression (exp$)
DIM num(10) AS STRING
'We should now have an expression with no () to deal with
IF MID$(exp$, 2, 1) = "-" THEN exp$ = "0+" + MID$(exp$, 2)
FOR J = 1 TO 250
lowest = 0
DO UNTIL lowest = LEN(exp$)
lowest = LEN(exp$): OpOn = 0
FOR P = 1 TO UBOUND(OName)
'Look for first valid operator
IF J = PL(P) THEN 'Priority levels match
IF LEFT$(exp$, 1) = "-" THEN op = INSTR(2, exp$, OName(P)) ELSE op = INSTR(exp$, OName(P))
IF op > 0 AND op < lowest THEN lowest = op: OpOn = P
END IF
NEXT
IF OpOn = 0 THEN EXIT DO 'We haven't gotten to the proper PL for this OP to be processed yet.
IF LEFT$(exp$, 1) = "-" THEN op = INSTR(2, exp$, OName(OpOn)) ELSE op = INSTR(exp$, OName(OpOn))
numset = 0
'*** SPECIAL OPERATION RULESETS
IF OName(OpOn) = "-" THEN 'check for BOOLEAN operators before the -
SELECT CASE MID$(exp$, op - 3, 3)
CASE "NOT", "XOR", "AND", "EQV", "IMP"
EXIT DO 'Not an operator, it's a negative
END SELECT
IF MID$(exp$, op - 3, 2) = "OR" THEN EXIT DO 'Not an operator, it's a negative
END IF
IF op THEN
c = LEN(OName(OpOn)) - 1
DO
SELECT CASE MID$(exp$, op + c + 1, 1)
CASE "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", ".", "N": numset = -1 'Valid digit
CASE "-" 'We need to check if it's a minus or a negative
IF OName(OpOn) = "PI" OR numset THEN EXIT DO
CASE ELSE 'Not a valid digit, we found our separator
EXIT DO
END SELECT
c = c + 1
LOOP UNTIL op + c >= LEN(exp$)
E = op + c
c = 0
DO
c = c + 1
SELECT CASE MID$(exp$, op - c, 1)
CASE "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", ".", "N" 'Valid digit
CASE "-" 'We need to check if it's a minus or a negative
c1 = c
bad = 0
DO
c1 = c1 + 1
SELECT CASE MID$(exp$, op - c1, 1)
CASE "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "."
bad = -1
EXIT DO 'It's a minus sign
CASE ELSE
'It's a negative sign and needs to count as part of our numbers
END SELECT
LOOP UNTIL op - c1 <= 0
IF bad THEN EXIT DO 'We found our seperator
CASE ELSE 'Not a valid digit, we found our separator
EXIT DO
END SELECT
LOOP UNTIL op - c <= 0
s = op - c
num(1) = MID$(exp$, s + 1, op - s - 1) 'Get our first number
num(2) = MID$(exp$, op + LEN(OName(OpOn)), E - op - LEN(OName(OpOn)) + 1) 'Get our second number
IF MID$(num(1), 1, 1) = "N" THEN MID$(num(1), 1) = "-"
IF MID$(num(2), 1, 1) = "N" THEN MID$(num(2), 1) = "-"
num(3) = EvaluateNumbers(OpOn, num())
IF MID$(num(3), 1, 1) = "-" THEN MID$(num(3), 1) = "N"
'PRINT "*************"
'PRINT num(1), OName(OpOn), num(2), num(3), exp$
IF LEFT$(num(3), 5) = "ERROR" THEN exp$ = num(3): EXIT SUB
exp$ = LTRIM$(N2S(DWD(LEFT$(exp$, s) + RTRIM$(LTRIM$(num(3))) + MID$(exp$, E + 1))))
'PRINT exp$
END IF
op = 0
LOOP
NEXT
END SUB
SUB Set_OrderOfOperations
'PL sets our priortity level. 1 is highest to 65535 for the lowest.
'I used a range here so I could add in new priority levels as needed.
'OName ended up becoming the name of our commands, as I modified things.... Go figure! LOL!
'Constants get evaluated first, with a Priority Level of 1
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "PI"
REDIM _PRESERVE PL(i): PL(i) = 1
'I'm not certain where exactly percentages should go. They kind of seem like a special case to me. COS10% should be COS.1 I'd think...
'I'm putting it here for now, and if anyone knows someplace better for it in our order of operations, let me know.
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "%"
REDIM _PRESERVE PL(i): PL(i) = 5
'Then Functions with PL 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "ARCCOS"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "ARCSIN"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "ARCSEC"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "ARCCSC"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "ARCCOT"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "SECH"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "CSCH"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "COTH"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "COS"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "SIN"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "TAN"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "LOG"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "EXP"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "ATN"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "D2R"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "D2G"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "R2D"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "R2G"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "G2D"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "G2R"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "ABS"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "SGN"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "INT"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "_ROUND"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "FIX"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "SEC"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "CSC"
REDIM _PRESERVE PL(i): PL(i) = 10
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "COT"
REDIM _PRESERVE PL(i): PL(i) = 10
'Exponents with PL 20
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "^"
REDIM _PRESERVE PL(i): PL(i) = 20
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "SQR"
REDIM _PRESERVE PL(i): PL(i) = 20
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "ROOT"
REDIM _PRESERVE PL(i): PL(i) = 20
'Multiplication and Division PL 30
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "*"
REDIM _PRESERVE PL(i): PL(i) = 30
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "/"
REDIM _PRESERVE PL(i): PL(i) = 30
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "BTM"
REDIM _PRESERVE PL(i): PL(i) = 30
'Integer Division PL 40
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "\"
REDIM _PRESERVE PL(i): PL(i) = 40
'MOD PL 50
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "MOD"
REDIM _PRESERVE PL(i): PL(i) = 50
'Addition and Subtraction PL 60
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "+"
REDIM _PRESERVE PL(i): PL(i) = 60
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "-"
REDIM _PRESERVE PL(i): PL(i) = 60
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "BTA"
REDIM _PRESERVE PL(i): PL(i) = 60
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "BTS"
REDIM _PRESERVE PL(i): PL(i) = 60
'Relational Operators =, >, <, <>, <=, >= PL 70
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "<>"
REDIM _PRESERVE PL(i): PL(i) = 70
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "><" 'These next three are just reversed symbols as an attempt to help process a common typo
REDIM _PRESERVE PL(i): PL(i) = 70
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "<="
REDIM _PRESERVE PL(i): PL(i) = 70
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = ">="
REDIM _PRESERVE PL(i): PL(i) = 70
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "=<" 'I personally can never keep these things straight. Is it < = or = <...
REDIM _PRESERVE PL(i): PL(i) = 70
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "=>" 'Who knows, check both!
REDIM _PRESERVE PL(i): PL(i) = 70
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = ">"
REDIM _PRESERVE PL(i): PL(i) = 70
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "<"
REDIM _PRESERVE PL(i): PL(i) = 70
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "="
REDIM _PRESERVE PL(i): PL(i) = 70
'Logical Operations PL 80+
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "NOT"
REDIM _PRESERVE PL(i): PL(i) = 80
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "AND"
REDIM _PRESERVE PL(i): PL(i) = 90
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "OR"
REDIM _PRESERVE PL(i): PL(i) = 100
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "XOR"
REDIM _PRESERVE PL(i): PL(i) = 110
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "EQV"
REDIM _PRESERVE PL(i): PL(i) = 120
i = i + 1: REDIM _PRESERVE OName(i): OName(i) = "IMP"
REDIM _PRESERVE PL(i): PL(i) = 130
END SUB
FUNCTION EvaluateNumbers$ (p, num() AS STRING)
DIM n1 AS _FLOAT, n2 AS _FLOAT, n3 AS _FLOAT
SELECT CASE OName(p) 'Depending on our operator..
CASE "PI"
n1 = 3.14159265358979323846264338327950288## 'Future compatable in case something ever stores extra digits for PI
CASE "%" 'Note percent is a special case and works with the number BEFORE the % command and not after
IF num(1) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get percent of NULL string": EXIT FUNCTION
n1 = (VAL(num(1))) / 100
CASE "ARCCOS"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get ARCCOS of NULL string": EXIT FUNCTION
n1 = VAL(num(2))
IF n1 > 1 THEN EvaluateNumbers$ = "ERROR - Attemping to get ARCCOS from value >1, which is Invalid": EXIT FUNCTION
IF n1 < -1 THEN EvaluateNumbers$ = "ERROR - Attemping to get ARCCOS from value <-1, which is Invalid": EXIT FUNCTION
IF n1 = 1 THEN EvaluateNumbers$ = "0": EXIT FUNCTION
n1 = (2 * ATN(1)) - ATN(n1 / SQR(1 - n1 * n1))
CASE "ARCSIN"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get ARCSIN of NULL string": EXIT FUNCTION
n1 = VAL(num(2))
IF n1 > 1 THEN EvaluateNumbers$ = "ERROR - Attemping to get ARCSIN from value >1, which is Invalid": EXIT FUNCTION
IF n1 < -1 THEN EvaluateNumbers$ = "ERROR - Attemping to get ARCSIN from value <-1, which is Invalid": EXIT FUNCTION
n1 = ATN(n1 / SQR(1 - (n1 * n1)))
CASE "ARCSEC"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get ARCSEC of NULL string": EXIT FUNCTION
n1 = VAL(num(2))
IF n1 > 1 THEN EvaluateNumbers$ = "ERROR - Attemping to get ARCSEC from value > 1, which is Invalid": EXIT FUNCTION
IF n1 < -1 THEN EvaluateNumbers$ = "ERROR - Attemping to get ARCSEC from value < -1, which is Invalid": EXIT FUNCTION
n1 = ATN(n1 / SQR(1 - n1 * n1)) + (SGN(n1) - 1) * (2 * ATN(1))
CASE "ARCCSC"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get ARCCSC of NULL string": EXIT FUNCTION
n1 = VAL(num(2))
IF n1 > 1 THEN EvaluateNumbers$ = "ERROR - Attemping to get ARCCSC from value >=1, which is Invalid": EXIT FUNCTION
IF n1 < -1 THEN EvaluateNumbers$ = "ERROR - Attemping to get ARCCSC from value <-1, which is Invalid": EXIT FUNCTION
n1 = ATN(1 / SQR(1 - n1 * n1)) + (SGN(n1) - 1) * (2 * ATN(1))
CASE "ARCCOT"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get ARCCOT of NULL string": EXIT FUNCTION
n1 = VAL(num(2))
n1 = (2 * ATN(1)) - ATN(n1)
CASE "SECH"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get SECH of NULL string": EXIT FUNCTION
n1 = VAL(num(2))
IF n1 > 88.02969 OR (EXP(n1) + EXP(-n1)) = 0 THEN EvaluateNumbers$ = "ERROR - Bad SECH command": EXIT FUNCTION
n1 = 2 / (EXP(n1) + EXP(-n1))
CASE "CSCH"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get CSCH of NULL string": EXIT FUNCTION
n1 = VAL(num(2))
IF n1 > 88.02969 OR (EXP(n1) - EXP(-n1)) = 0 THEN EvaluateNumbers$ = "ERROR - Bad CSCH command": EXIT FUNCTION
n1 = 2 / (EXP(n1) - EXP(-n1))
CASE "COTH"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get COTH of NULL string": EXIT FUNCTION
n1 = VAL(num(2))
IF 2 * n1 > 88.02969 OR EXP(2 * n1) - 1 = 0 THEN EvaluateNumbers$ = "ERROR - Bad COTH command": EXIT FUNCTION
n1 = (EXP(2 * n1) + 1) / (EXP(2 * n1) - 1)
CASE "COS"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get COS of NULL string": EXIT FUNCTION
n1 = COS(VAL(num(2)))
CASE "SIN"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get SIN of NULL string": EXIT FUNCTION
n1 = SIN(VAL(num(2)))
CASE "TAN"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get TAN of NULL string": EXIT FUNCTION
n1 = TAN(VAL(num(2)))
CASE "LOG"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get LOG of NULL string": EXIT FUNCTION
n1 = LOG(VAL(num(2)))
CASE "EXP"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get EXP of NULL string": EXIT FUNCTION
n1 = EXP(VAL(num(2)))
CASE "ATN"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get ATN of NULL string": EXIT FUNCTION
n1 = ATN(VAL(num(2)))
CASE "D2R"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get Radian of NULL Degree value": EXIT FUNCTION
n1 = 0.0174532925 * (VAL(num(2)))
CASE "D2G"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get Grad of NULL Degree string": EXIT FUNCTION
n1 = 1.1111111111 * (VAL(num(2)))
CASE "R2D"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get Degree of NULL Radian string": EXIT FUNCTION
n1 = 57.2957795 * (VAL(num(2)))
CASE "R2G"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get Grad of NULL Radian string": EXIT FUNCTION
n1 = 0.015707963 * (VAL(num(2)))
CASE "G2D"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get Degree of NULL Gradian string": EXIT FUNCTION
n1 = 0.9 * (VAL(num(2)))
CASE "G2R"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get Radian of NULL Grad string": EXIT FUNCTION
n1 = 63.661977237 * (VAL(num(2)))
CASE "ABS"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get ABS of NULL string": EXIT FUNCTION
n1 = ABS(VAL(num(2)))
CASE "SGN"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get SGN of NULL string": EXIT FUNCTION
n1 = SGN(VAL(num(2)))
CASE "INT"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get INT of NULL string": EXIT FUNCTION
n1 = INT(VAL(num(2)))
CASE "_ROUND"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to _ROUND a NULL string": EXIT FUNCTION
n1 = _ROUND(VAL(num(2)))
CASE "FIX"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to FIX a NULL string": EXIT FUNCTION
n1 = FIX(VAL(num(2)))
CASE "SEC"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get SEC of NULL string": EXIT FUNCTION
n1 = COS(VAL(num(2)))
IF n1 = 0 THEN EvaluateNumbers$ = "ERROR - COS value is 0, thus SEC is 1/0 which is Invalid": EXIT FUNCTION
n1 = 1 / n1
CASE "CSC"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get CSC of NULL string": EXIT FUNCTION
n1 = SIN(VAL(num(2)))
IF n1 = 0 THEN EvaluateNumbers$ = "ERROR - SIN value is 0, thus CSC is 1/0 which is Invalid": EXIT FUNCTION
n1 = 1 / n1
CASE "COT"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get COT of NULL string": EXIT FUNCTION
n1 = COS(VAL(num(2)))
IF n1 = 0 THEN EvaluateNumbers$ = "ERROR - TAN value is 0, thus COT is 1/0 which is Invalid": EXIT FUNCTION
n1 = 1 / n1
CASE "BTA"
IF num(2) = "" OR num(1) = "" THEN EvaluateNumbers$ = "ERROR - BTA": EXIT FUNCTION
EvaluateNumbers$ = BTen$(num(1), "+", num(2)): EXIT FUNCTION
CASE "BTS"
IF num(2) = "" OR num(1) = "" THEN EvaluateNumbers$ = "ERROR - BTS": EXIT FUNCTION
EvaluateNumbers$ = BTen$(num(1), "-", num(2)): EXIT FUNCTION
CASE "BTM"
IF num(2) = "" OR num(1) = "" THEN EvaluateNumbers$ = "ERROR - BTM": EXIT FUNCTION
EvaluateNumbers$ = BTen$(num(1), "*", num(2)): EXIT FUNCTION
CASE "^"
IF num(1) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to raise NULL string to exponent": EXIT FUNCTION
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to raise number to NULL exponent": EXIT FUNCTION
n1 = VAL(num(1)) ^ VAL(num(2))
CASE "SQR"
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get SQR of NULL string": EXIT FUNCTION
IF VAL(num(2)) < 0 THEN EvaluateNumbers$ = "ERROR - Cannot take take SQR of numbers < 0. I'm a computer, I have a poor imagination.": EXIT FUNCTION
n1 = SQR(VAL(num(2)))
CASE "ROOT"
IF num(1) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get ROOT of a NULL string": EXIT FUNCTION
IF num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to get NULL ROOT of a string": EXIT FUNCTION
n1 = VAL(num(1)): n2 = VAL(num(2))
IF n2 = 1 THEN EvaluateNumbers$ = RTRIM$(LTRIM$(STR$(n1))): EXIT FUNCTION
IF n2 = 0 THEN EvaluateNumbers$ = "ERROR - There is no such thing as a 0 ROOT of a number": EXIT FUNCTION
IF n1 < 0 AND n2 MOD 2 = 0 AND n2 > 1 THEN EvaluateNumbers$ = "ERROR - Cannot take take an EVEN ROOT of numbers < 0. I'm a computer, I have a poor imagination.": EXIT FUNCTION
IF n1 < 0 AND n2 >= 1 THEN sign = -1: n1 = -n1 ELSE sign = 1
n3 = 1## / n2
IF n3 <> INT(n3) AND n2 < 1 THEN sign = SGN(n1): n1 = ABS(n1)
n1 = sign * (n1 ^ n3)
CASE "*"
IF num(1) = "" OR num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to multiply NULL string ": EXIT FUNCTION
n1 = VAL(num(1)) * VAL(num(2))
CASE "/":
IF num(1) = "" OR num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to divide NULL string ": EXIT FUNCTION
IF VAL(num(2)) = 0 THEN EvaluateNumbers$ = "ERROR - Division by 0": EXIT FUNCTION
n1 = VAL(num(1)) / VAL(num(2))
CASE "\"
IF num(1) = "" OR num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to divide NULL string ": EXIT FUNCTION
IF VAL(num(2)) = 0 THEN EvaluateNumbers$ = "ERROR - Division by 0": EXIT FUNCTION
n1 = VAL(num(1)) \ VAL(num(2))
CASE "MOD"
IF num(1) = "" OR num(2) = "" THEN EvaluateNumbers$ = "ERROR - Attemping to MOD with NULL string ": EXIT FUNCTION
IF VAL(num(2)) = 0 THEN EvaluateNumbers$ = "ERROR - Division by 0": EXIT FUNCTION
n1 = VAL(num(1)) MOD VAL(num(2))
CASE "+": n1 = VAL(num(1)) + VAL(num(2))
CASE "-": n1 = VAL(num(1)) - VAL(num(2))
CASE "=": n1 = VAL(num(1)) = VAL(num(2))
CASE ">": n1 = VAL(num(1)) > VAL(num(2))
CASE "<": n1 = VAL(num(1)) < VAL(num(2))
CASE "<>", "><": n1 = VAL(num(1)) <> VAL(num(2))
CASE "<=", "=<": n1 = VAL(num(1)) <= VAL(num(2))
CASE ">=", "=>": n1 = VAL(num(1)) >= VAL(num(2))
CASE "NOT": n1 = NOT VAL(num(2))
CASE "AND": n1 = VAL(num(1)) AND VAL(num(2))
CASE "OR": n1 = VAL(num(1)) OR VAL(num(2))
CASE "XOR": n1 = VAL(num(1)) XOR VAL(num(2))
CASE "EQV": n1 = VAL(num(1)) EQV VAL(num(2))
CASE "IMP": n1 = VAL(num(1)) IMP VAL(num(2))
CASE ELSE
EvaluateNumbers$ = "ERROR - Bad operation (We shouldn't see this)" 'Let's say we're bad...
END SELECT
EvaluateNumbers$ = RTRIM$(LTRIM$(STR$(n1)))
END FUNCTION
FUNCTION DWD$ (exp$) 'Deal With Duplicates
'To deal with duplicate operators in our code.
'Such as -- becomes a +
'++ becomes a +
'+- becomes a -
'-+ becomes a -
t$ = exp$
DO
bad = 0
DO
l = INSTR(t$, "++")
IF l THEN t$ = LEFT$(t$, l - 1) + "+" + MID$(t$, l + 2): bad = -1
LOOP UNTIL l = 0
DO
l = INSTR(t$, "+-")
IF l THEN t$ = LEFT$(t$, l - 1) + "-" + MID$(t$, l + 2): bad = -1
LOOP UNTIL l = 0
DO
l = INSTR(t$, "-+")
IF l THEN t$ = LEFT$(t$, l - 1) + "-" + MID$(t$, l + 2): bad = -1
LOOP UNTIL l = 0
DO
l = INSTR(t$, "--")
IF l THEN t$ = LEFT$(t$, l - 1) + "+" + MID$(t$, l + 2): bad = -1
LOOP UNTIL l = 0
LOOP UNTIL NOT bad
DWD$ = t$
VerifyString t$
END FUNCTION
SUB PreParse (e$)
DIM f AS _FLOAT
t$ = e$
'First strip all spaces
t$ = ""
FOR i = 1 TO LEN(e$)
IF MID$(e$, i, 1) <> " " THEN t$ = t$ + MID$(e$, i, 1)
NEXT
t$ = UCASE$(t$)
IF t$ = "" THEN e$ = "ERROR -- NULL string; nothing to evaluate": EXIT SUB
'ERROR CHECK by counting our brackets
l = 0
DO
l = INSTR(l + 1, t$, "("): IF l THEN c = c + 1
LOOP UNTIL l = 0
l = 0
DO
l = INSTR(l + 1, t$, ")"): IF l THEN c1 = c1 + 1
LOOP UNTIL l = 0
IF c <> c1 THEN e$ = "ERROR -- Bad Parenthesis:" + STR$(c) + "( vs" + STR$(c1) + ")": EXIT SUB
'Modify so that NOT will process properly
l = 0
DO
l = INSTR(l + 1, t$, "NOT")
IF l THEN
'We need to work magic on the statement so it looks pretty.
' 1 + NOT 2 + 1 is actually processed as 1 + (NOT 2 + 1)
'Look for something not proper
l1 = INSTR(l + 1, t$, "AND")
IF l1 = 0 OR (INSTR(l + 1, t$, "OR") > 0 AND INSTR(l + 1, t$, "OR") < l1) THEN l1 = INSTR(l + 1, t$, "OR")
IF l1 = 0 OR (INSTR(l + 1, t$, "XOR") > 0 AND INSTR(l + 1, t$, "XOR") < l1) THEN l1 = INSTR(l + 1, t$, "XOR")
IF l1 = 0 OR (INSTR(l + 1, t$, "EQV") > 0 AND INSTR(l + 1, t$, "EQV") < l1) THEN l1 = INSTR(l + 1, t$, "EQV")
IF l1 = 0 OR (INSTR(l + 1, t$, "IMP") > 0 AND INSTR(l + 1, t$, "IMP") < l1) THEN l1 = INSTR(l + 1, t$, "IMP")
IF l1 = 0 THEN l1 = LEN(t$) + 1
t$ = LEFT$(t$, l - 1) + "(" + MID$(t$, l, l1 - l) + ")" + MID$(t$, l + l1 - l)
l = l + 3
'PRINT t$
END IF
LOOP UNTIL l = 0
'Check for bad operators before a ( bracket
l = 0
DO
l = INSTR(l + 1, t$, "(")
IF l AND l > 2 THEN 'Don't check the starting bracket; there's nothing before it.
good = 0
FOR i = 1 TO UBOUND(OName)
IF MID$(t$, l - LEN(OName(i)), LEN(OName(i))) = OName(i) AND PL(i) > 1 AND PL(i) <= 250 THEN good = -1: EXIT FOR 'We found an operator after our ), and it's not a CONST (like PI)
NEXT
IF NOT good THEN e$ = "ERROR - Improper operations before (.": EXIT SUB
l = l + 1
END IF
LOOP UNTIL l = 0
'Check for bad operators after a ) bracket
l = 0
DO
l = INSTR(l + 1, t$, ")")
IF l AND l < LEN(t$) THEN
good = 0
FOR i = 1 TO UBOUND(OName)
IF MID$(t$, l + 1, LEN(OName(i))) = OName(i) AND PL(i) > 1 AND PL(i) <= 250 THEN good = -1: EXIT FOR 'We found an operator after our ), and it's not a CONST (like PI)
NEXT
IF MID$(t$, l + 1, 1) = ")" THEN good = -1
IF NOT good THEN e$ = "ERROR - Improper operations after ).": EXIT SUB
l = l + 1
END IF
LOOP UNTIL l = 0 OR l = LEN(t$) 'last symbol is a bracket
'Turn all &H (hex) numbers into decimal values for the program to process properly
l = 0
DO
l = INSTR(t$, "&H")
IF l THEN
E = l + 1: finished = 0
DO
E = E + 1
comp$ = MID$(t$, E, 1)
SELECT CASE comp$
CASE "0" TO "9", "A" TO "F" 'All is good, our next digit is a number, continue to add to the hex$
CASE ELSE
good = 0
FOR i = 1 TO UBOUND(OName)
IF MID$(t$, E, LEN(OName(i))) = OName(i) AND PL(i) > 1 AND PL(i) <= 250 THEN good = -1: EXIT FOR 'We found an operator after our ), and it's not a CONST (like PI)
NEXT
IF NOT good THEN e$ = "ERROR - Improper &H value. (" + comp$ + ")": EXIT SUB
E = E - 1
finished = -1
END SELECT
LOOP UNTIL finished OR E = LEN(t$)
t$ = LEFT$(t$, l - 1) + LTRIM$(RTRIM$(STR$(VAL(MID$(t$, l, E - l + 1))))) + MID$(t$, E + 1)
END IF
LOOP UNTIL l = 0
'Turn all &B (binary) numbers into decimal values for the program to process properly
l = 0
DO
l = INSTR(t$, "&B")
IF l THEN
E = l + 1: finished = 0
DO
E = E + 1
comp$ = MID$(t$, E, 1)
SELECT CASE comp$
CASE "0", "1" 'All is good, our next digit is a number, continue to add to the hex$
CASE ELSE
good = 0
FOR i = 1 TO UBOUND(OName)
IF MID$(t$, E, LEN(OName(i))) = OName(i) AND PL(i) > 1 AND PL(i) <= 250 THEN good = -1: EXIT FOR 'We found an operator after our ), and it's not a CONST (like PI)
NEXT
IF NOT good THEN e$ = "ERROR - Improper &B value. (" + comp$ + ")": EXIT SUB
E = E - 1
finished = -1
END SELECT
LOOP UNTIL finished OR E = LEN(t$)
bin$ = MID$(t$, l + 2, E - l - 1)
FOR i = 1 TO LEN(bin$)
IF MID$(bin$, i, 1) = "1" THEN f = f + 2 ^ (LEN(bin$) - i)
NEXT
t$ = LEFT$(t$, l - 1) + LTRIM$(RTRIM$(STR$(f))) + MID$(t$, E + 1)
END IF
LOOP UNTIL l = 0
t$ = N2S(t$)
VerifyString t$
e$ = t$
END SUB
SUB VerifyString (t$)
'ERROR CHECK for unrecognized operations
j = 1
DO
comp$ = MID$(t$, j, 1)
SELECT CASE comp$
CASE "0" TO "9", ".", "(", ")": j = j + 1
CASE ELSE
good = 0
FOR i = 1 TO UBOUND(OName)
IF MID$(t$, j, LEN(OName(i))) = OName(i) THEN good = -1: EXIT FOR 'We found an operator after our ), and it's not a CONST (like PI)
NEXT
IF NOT good THEN t$ = "ERROR - Bad Operational value. (" + comp$ + ")": EXIT SUB
j = j + LEN(OName(i))
END SELECT
LOOP UNTIL j > LEN(t$)
END SUB
FUNCTION BTen$ (InTop AS STRING, Op AS STRING, InBot AS STRING)
REM $DYNAMIC
InTop = LTRIM$(RTRIM$(InTop))
InBot = LTRIM$(RTRIM$(InBot))
l = INSTR(InTop, "-")
IF l = 0 THEN l = INSTR(InTop, "+")
IF l = 0 THEN InTop = "+" + InTop
l = INSTR(InBot, "-")
IF l = 0 THEN l = INSTR(InBot, "+")
IF l = 0 THEN InBot = "+" + InBot
l = INSTR(InTop, ".")
IF l = 0 THEN InTop = InTop + "."
l = INSTR(InBot, ".")
IF l = 0 THEN InBot = InBot + "."
IF Op$ = "-" THEN
Op$ = "+"
IF MID$(InBot, 1, 1) = "-" THEN MID$(InBot, 1, 1) = "+" ELSE MID$(InBot, 1, 1) = "-"
END IF
TDP& = Check&(10, InTop$)
BDP& = Check&(10, InBot$)
IF TDP& < 0 OR BDP& < 0 THEN EXIT FUNCTION
TSign% = Check&(11, InTop$)
BSign% = Check&(11, InBot$)
' Calculate Array Size
IF Op$ = CHR$(43) OR Op$ = CHR$(45) THEN
' "+" (Add) OR "-" (Subtract)
Temp& = 9
ELSEIF Op$ = CHR$(42) OR Op$ = CHR$(50) THEN
' "*" (Multiply) OR "2" (SQRT Multiply)
Temp& = 7
ELSE
EXIT FUNCTION
END IF
' LSA (Left Side of Array)
LSA& = TDP& - 2
TLS& = LSA& \ Temp&
IF LSA& MOD Temp& > 0 THEN
TLS& = TLS& + 1
DO WHILE (TLPad& + LSA&) MOD Temp& > 0
TLPad& = TLPad& + 1
LOOP
END IF
LSA& = BDP& - 2
BLS& = LSA& \ Temp&
IF LSA& MOD Temp& > 0 THEN
BLS& = BLS& + 1
DO WHILE (BLPad& + LSA&) MOD Temp& > 0
BLPad& = BLPad& + 1
LOOP
END IF
IF TLS& >= BLS& THEN LSA& = TLS& ELSE LSA& = BLS&
' RSA (Right Side of Array)
RSA& = LEN(InTop$) - TDP&
TRS& = RSA& \ Temp&
IF RSA& MOD Temp& > 0 THEN
TRS& = TRS& + 1
DO WHILE (TRPad& + RSA&) MOD Temp& > 0
TRPad& = TRPad& + 1
LOOP
END IF
RSA& = LEN(InBot$) - BDP&
BRS& = RSA& \ Temp&
IF RSA& MOD Temp& > 0 THEN
BRS& = BRS& + 1
DO WHILE (BRPad& + RSA&) MOD Temp& > 0
BRPad& = BRPad& + 1
LOOP
END IF
IF TRS& >= BRS& THEN RSA& = TRS& ELSE RSA& = BRS&
IF Op$ = CHR$(43) OR Op$ = CHR$(45) THEN
' "+" (Add) OR "-" (Subtract)
DIM Result(1 TO (LSA& + RSA&)) AS LONG
IF (Op$ = CHR$(43) AND TSign% = BSign%) OR (Op$ = CHR$(45) AND TSign% <> BSign%) THEN
' Add Absolute Values and Return Top Sign
' Left Side
FOR I& = 1 TO LSA&
' Top
IF I& <= (LSA& - TLS&) THEN
''' Result(I&) = Result(I&) + 0
ELSEIF I& = (1 + LSA& - TLS&) THEN
Result(I&) = VAL(MID$(InTop$, 2, (9 - TLPad&)))
TDP& = 11 - TLPad&
ELSE
Result(I&) = VAL(MID$(InTop$, TDP&, 9))
TDP& = TDP& + 9
END IF
' Bottom
IF I& <= (LSA& - BLS&) THEN
''' Result(I&) = Result(I&) + 0
ELSEIF I& = (1 + LSA& - BLS&) THEN
Result(I&) = Result(I&) + VAL(MID$(InBot$, 2, (9 - BLPad&)))
BDP& = 11 - BLPad&
ELSE
Result(I&) = Result(I&) + VAL(MID$(InBot$, BDP&, 9))
BDP& = BDP& + 9
END IF
NEXT I&
' Right Side
TDP& = TDP& + 1: BDP& = BDP& + 1
FOR I& = (LSA& + 1) TO (LSA& + RSA&)
' Top
IF I& > (LSA& + TRS&) THEN
''' Result(I&) = Result(I&) + 0
ELSEIF I& = (LSA& + TRS&) THEN
Result(I&) = (10 ^ TRPad&) * VAL(RIGHT$(InTop$, (9 - TRPad&)))
ELSE
Result(I&) = VAL(MID$(InTop$, TDP&, 9))
TDP& = TDP& + 9
END IF
' Bottom
IF I& > (LSA& + BRS&) THEN
''' Result(I&) = Result(I&) + 0
ELSEIF I& = (LSA& + BRS&) THEN
Result(I&) = Result(I&) + (10 ^ BRPad&) * VAL(RIGHT$(InBot$, (9 - BRPad&)))
ELSE
Result(I&) = Result(I&) + VAL(MID$(InBot$, BDP&, 9))
BDP& = BDP& + 9
END IF
NEXT I&
' Carry
FOR I& = (LSA& + RSA&) TO 2 STEP -1
IF Result(I&) >= 1000000000 THEN
Result(I& - 1) = Result(I& - 1) + 1
Result(I&) = Result(I&) - 1000000000
END IF
NEXT I&
' Return Sign
IF TSign% = 1 THEN RetStr$ = CHR$(43) ELSE RetStr$ = CHR$(45)
ELSE
' Compare Absolute Values
IF TDP& > BDP& THEN
Compare& = 1
ELSEIF TDP& < BDP& THEN
Compare& = -1
ELSE
IF LEN(InTop$) > LEN(InBot$) THEN Compare& = LEN(InBot$) ELSE Compare& = LEN(InTop$)
FOR I& = 2 TO Compare&
IF VAL(MID$(InTop$, I&, 1)) > VAL(MID$(InBot$, I&, 1)) THEN
Compare& = 1
EXIT FOR
ELSEIF VAL(MID$(InTop$, I&, 1)) < VAL(MID$(InBot$, I&, 1)) THEN
Compare& = -1
EXIT FOR
END IF
NEXT I&
IF Compare& > 1 THEN
IF LEN(InTop$) > LEN(InBot$) THEN
Compare& = 1
ELSEIF LEN(InTop$) < LEN(InBot$) THEN
Compare& = -1
ELSE
Compare& = 0
END IF
END IF
END IF
' Conditional Subtraction
IF Compare& = 1 THEN
' Subtract Bottom from Top and Return Top Sign
' Top
Result(1) = VAL(MID$(InTop$, 2, (9 - TLPad&)))
TDP& = 11 - TLPad&
FOR I& = 2 TO LSA&
Result(I&) = VAL(MID$(InTop$, TDP&, 9))
TDP& = TDP& + 9
NEXT I&
TDP& = TDP& + 1
FOR I& = (LSA& + 1) TO (LSA& + TRS& - 1)
Result(I&) = VAL(MID$(InTop$, TDP&, 9))
TDP& = TDP& + 9
NEXT I&
Result(LSA& + TRS&) = 10& ^ TRPad& * VAL(RIGHT$(InTop$, (9 - TRPad&)))
' Bottom
BDP& = (LEN(InBot$) - 17) + BRPad&
FOR I& = (LSA& + BRS&) TO (1 + LSA& - BLS&) STEP -1
IF I& = LSA& THEN BDP& = BDP& - 1
IF I& = (LSA& + BRS&) THEN
Temp& = (10& ^ BRPad&) * VAL(RIGHT$(InBot$, (9 - BRPad&)))
ELSEIF I& = (1 + LSA& - BLS&) THEN
Temp& = VAL(MID$(InBot$, 2, (9 - BLPad&)))
ELSE
Temp& = VAL(MID$(InBot$, BDP&, 9))
BDP& = BDP& - 9
END IF
IF Result(I&) < Temp& THEN
' Borrow
FOR J& = (I& - 1) TO 1 STEP -1
IF Result(J&) = 0 THEN
Result(J&) = 999999999
ELSE
Result(J&) = Result(J&) - 1
EXIT FOR
END IF
NEXT J&
Result(I&) = Result(I&) + 1000000000
END IF
Result(I&) = Result(I&) - Temp&
NEXT I&
' Return Sign
IF TSign% = 1 THEN RetStr$ = CHR$(43) ELSE RetStr$ = CHR$(45)
ELSEIF Compare& = -1 THEN
' Subtract Top from Bottom and Return Bottom Sign
' Bottom
Result(1) = VAL(MID$(InBot$, 2, (9 - BLPad&)))
BDP& = 11 - BLPad&
FOR I& = 2 TO LSA&
Result(I&) = VAL(MID$(InBot$, BDP&, 9))
BDP& = BDP& + 9
NEXT I&
BDP& = BDP& + 1
FOR I& = (LSA& + 1) TO (LSA& + BRS& - 1)
Result(I&) = VAL(MID$(InBot$, BDP&, 9))
BDP& = BDP& + 9
NEXT I&
Result(LSA& + BRS&) = 10& ^ BRPad& * VAL(RIGHT$(InBot$, (9 - BRPad&)))
' Top
TDP& = (LEN(InTop$) - 17) + TRPad&
FOR I& = (LSA& + TRS&) TO (1 + LSA& - TLS&) STEP -1
IF I& = LSA& THEN TDP& = TDP& - 1
IF I& = (LSA& + TRS&) THEN
Temp& = (10& ^ TRPad&) * VAL(RIGHT$(InTop$, (9 - TRPad&)))
ELSEIF I& = (1 + LSA& - TLS&) THEN
Temp& = VAL(MID$(InTop$, 2, (9 - TLPad&)))
ELSE
Temp& = VAL(MID$(InTop$, TDP&, 9))
TDP& = TDP& - 9
END IF
IF Result(I&) < Temp& THEN
' Borrow
FOR J& = (I& - 1) TO 1 STEP -1
IF Result(J&) = 0 THEN
Result(J&) = 999999999
ELSE
Result(J&) = Result(J&) - 1
EXIT FOR
END IF
NEXT J&
Result(I&) = Result(I&) + 1000000000
END IF
Result(I&) = Result(I&) - Temp&
NEXT I&
' Build Return Sign
IF BSign% = 1 THEN RetStr$ = CHR$(43) ELSE RetStr$ = CHR$(45)
ELSE
' Result will always be 0
LSA& = 1: RSA& = 1
RetStr$ = CHR$(43)
END IF
END IF
' Generate Return String
RetStr$ = RetStr$ + LTRIM$(STR$(Result(1)))
FOR I& = 2 TO LSA&
RetStr$ = RetStr$ + RIGHT$(STRING$(8, 48) + LTRIM$(STR$(Result(I&))), 9)
NEXT I&
RetStr$ = RetStr$ + CHR$(46)
FOR I& = (LSA& + 1) TO (LSA& + RSA&)
RetStr$ = RetStr$ + RIGHT$(STRING$(8, 48) + LTRIM$(STR$(Result(I&))), 9)
NEXT I&
ERASE Result
ELSEIF Op$ = CHR$(42) THEN
' * (Multiply)
DIM TArray(1 TO (LSA& + RSA&)) AS LONG
DIM BArray(1 TO (LSA& + RSA&)) AS LONG
DIM ResDBL(0 TO (LSA& + RSA&)) AS DOUBLE
' Push String Data Into Array
FOR I& = 1 TO LSA&
IF I& <= (LSA& - TLS&) THEN
''' TArray(I&) = TArray(I&) + 0
ELSEIF I& = (1 + LSA& - TLS&) THEN
TArray(I&) = VAL(MID$(InTop$, 2, (7 - TLPad&)))
TDP& = 9 - TLPad&
ELSE
TArray(I&) = VAL(MID$(InTop$, TDP&, 7))
TDP& = TDP& + 7
END IF
IF I& <= (LSA& - BLS&) THEN
''' BArray(I&) = BArray(I&) + 0
ELSEIF I& = (1 + LSA& - BLS&) THEN
BArray(I&) = VAL(MID$(InBot$, 2, (7 - BLPad&)))
BDP& = 9 - BLPad&
ELSE
BArray(I&) = VAL(MID$(InBot$, BDP&, 7))
BDP& = BDP& + 7
END IF
NEXT I&
TDP& = TDP& + 1: BDP& = BDP& + 1
FOR I& = (LSA& + 1) TO (LSA& + RSA&)
IF I& > (LSA& + TRS&) THEN
''' TArray(I&) = TArray(I&) + 0
ELSEIF I& = (LSA& + TRS&) THEN
TArray(I&) = 10 ^ TRPad& * VAL(RIGHT$(InTop$, (7 - TRPad&)))
ELSE
TArray(I&) = VAL(MID$(InTop$, TDP&, 7))
TDP& = TDP& + 7
END IF
IF I& > (LSA& + BRS&) THEN
''' BArray(I&) = BArray(I&) + 0
ELSEIF I& = (LSA& + BRS&) THEN
BArray(I&) = 10 ^ BRPad& * VAL(RIGHT$(InBot$, (7 - BRPad&)))
ELSE
BArray(I&) = VAL(MID$(InBot$, BDP&, 7))
BDP& = BDP& + 7
END IF
NEXT I&
' Multiply from Arrays to Array
FOR I& = (LSA& + TRS&) TO (1 + LSA& - TLS&) STEP -1
FOR J& = (LSA& + BRS&) TO (1 + LSA& - BLS&) STEP -1
Temp# = 1# * TArray(I&) * BArray(J&)
IF (I& + J&) MOD 2 = 0 THEN
TL& = INT(Temp# / 10000000)
TR& = Temp# - 10000000# * TL&
ResDBL(((I& + J&) \ 2) - 1) = ResDBL(((I& + J&) \ 2) - 1) + TL&
ResDBL((I& + J&) \ 2) = ResDBL((I& + J&) \ 2) + 10000000# * TR&
ELSE
ResDBL((I& + J&) \ 2) = ResDBL((I& + J&) \ 2) + Temp#
END IF
IF ResDBL((I& + J&) \ 2) >= 100000000000000# THEN
Temp# = ResDBL((I& + J&) \ 2)
TL& = INT(Temp# / 100000000000000#)
ResDBL(((I& + J&) \ 2) - 1) = ResDBL(((I& + J&) \ 2) - 1) + TL&
ResDBL((I& + J&) \ 2) = Temp# - 100000000000000# * TL&
END IF
NEXT J&
NEXT I&
ERASE TArray, BArray
' Generate Return String
IF (TSign% * BSign%) = 1 THEN RetStr$ = CHR$(43) ELSE RetStr$ = CHR$(45)
RetStr$ = RetStr$ + LTRIM$(STR$(ResDBL(0)))
FOR I& = 1 TO (LSA&)
RetStr$ = RetStr$ + RIGHT$(STRING$(13, 48) + LTRIM$(STR$(ResDBL(I&))), 14)
NEXT I&
RetStr$ = LEFT$(RetStr$, LEN(RetStr$) - 7) + CHR$(46) + RIGHT$(RetStr$, 7)
FOR I& = (LSA& + 1) TO (LSA& + RSA&)
RetStr$ = RetStr$ + RIGHT$(STRING$(13, 48) + LTRIM$(STR$(ResDBL(I&))), 14)
NEXT I&
ERASE ResDBL
ELSEIF Op$ = CHR$(50) THEN
' 2 (SQRT Multiply)
DIM IArray(1 TO (LSA& + RSA&)) AS LONG
DIM ResDBL(0 TO (LSA& + RSA&)) AS DOUBLE
' Push String Data Into Array
FOR I& = 1 TO LSA&
IF I& <= (LSA& - TLS&) THEN
''' IArray(I&) = IArray(I&) + 0
ELSEIF I& = (1 + LSA& - TLS&) THEN
IArray(I&) = VAL(MID$(InTop$, 2, (7 - TLPad&)))
TDP& = 9 - TLPad&
ELSE
IArray(I&) = VAL(MID$(InTop$, TDP&, 7))
TDP& = TDP& + 7
END IF
NEXT I&
TDP& = TDP& + 1
FOR I& = (LSA& + 1) TO (LSA& + RSA&)
IF I& > (LSA& + TRS&) THEN
''' IArray(I&) = IArray(I&) + 0
ELSEIF I& = (LSA& + TRS&) THEN
IArray(I&) = 10 ^ TRPad& * VAL(RIGHT$(InTop$, (7 - TRPad&)))
ELSE
IArray(I&) = VAL(MID$(InTop$, TDP&, 7))
TDP& = TDP& + 7
END IF
NEXT I&
' SQRT Multiply from Array to Array
FOR I& = (LSA& + TRS&) TO 1 STEP -1
FOR J& = I& TO 1 STEP -1
Temp# = 1# * IArray(I&) * IArray(J&)
IF I& <> J& THEN Temp# = Temp# * 2
IF (I& + J&) MOD 2 = 0 THEN
TL& = INT(Temp# / 10000000)
TR& = Temp# - 10000000# * TL&
ResDBL(((I& + J&) \ 2) - 1) = ResDBL(((I& + J&) \ 2) - 1) + TL&
ResDBL((I& + J&) \ 2) = ResDBL((I& + J&) \ 2) + 10000000# * TR&
ELSE
ResDBL((I& + J&) \ 2) = ResDBL((I& + J&) \ 2) + Temp#
END IF
IF ResDBL((I& + J&) \ 2) >= 100000000000000# THEN
Temp# = ResDBL((I& + J&) \ 2)
TL& = INT(Temp# / 100000000000000#)
ResDBL(((I& + J&) \ 2) - 1) = ResDBL(((I& + J&) \ 2) - 1) + TL&
ResDBL((I& + J&) \ 2) = Temp# - 100000000000000# * TL&
END IF
NEXT J&
NEXT I&
ERASE IArray
' Generate Return String
IF (TSign% * BSign%) = 1 THEN RetStr$ = CHR$(43) ELSE RetStr$ = CHR$(45)
RetStr$ = RetStr$ + LTRIM$(STR$(ResDBL(0)))
FOR I& = 1 TO (LSA&)
RetStr$ = RetStr$ + RIGHT$(STRING$(13, 48) + LTRIM$(STR$(ResDBL(I&))), 14)
NEXT I&
RetStr$ = LEFT$(RetStr$, LEN(RetStr$) - 7) + CHR$(46) + RIGHT$(RetStr$, 7)
' Don't usually want the full right side for this, just enough to check the
' actual result against the expected result, which is probably an integer.
' Uncomment the three lines below when trying to find an oddball square root.
'FOR I& = (LSA& + 1) TO (LSA& + RSA&)
' RetStr$ = RetStr$ + RIGHT$(STRING$(13, 48) + LTRIM$(STR$(ResDBL(I&))), 14)
'NEXT I&
ERASE ResDBL
END IF
' Trim Leading and Trailing Zeroes
DO WHILE MID$(RetStr$, 2, 1) = CHR$(48) AND MID$(RetStr$, 3, 1) <> CHR$(46)
RetStr$ = LEFT$(RetStr$, 1) + RIGHT$(RetStr$, LEN(RetStr$) - 2)
LOOP
DO WHILE RIGHT$(RetStr$, 1) = CHR$(48) AND RIGHT$(RetStr$, 2) <> CHR$(46) + CHR$(48)
RetStr$ = LEFT$(RetStr$, LEN(RetStr$) - 1)
LOOP
IF MID$(RetStr$, 1, 1) = "+" THEN MID$(RetStr$, 1, 1) = " "
DO
r$ = RIGHT$(RetStr$, 1)
IF r$ = "0" THEN RetStr$ = LEFT$(RetStr$, LEN(RetStr$) - 1)
LOOP UNTIL r$ <> "0"
r$ = RIGHT$(RetStr$, 1)
IF r$ = "." THEN RetStr$ = LEFT$(RetStr$, LEN(RetStr$) - 1)
BTen$ = RetStr$
END FUNCTION
REM $STATIC
' ---------------------------------------------------------------------------
' FUNCTION Check& (Op&, InString$) Multi-Purpose String Tester
' ---------------------------------------------------------------------------
'
' * Op& = Type of string to expect and/or operation to perform
'
' { 00A } = (10) Test Base-10-Format String ( *!* ALTERS InString$ *!* )
' { 00B } = (11) Read Sign ("+", "-", or CHR$(241))
'
' Unlisted values are not used and will return [ Check& = 0 - Op& ].
' Different Op& values produce various return values.
' Refer to the in-code comments for details.
'
' ---------------------------------------------------------------------------
' FUNCTION Check& (Op&, InString$) Multi-Purpose String Tester
' ---------------------------------------------------------------------------
FUNCTION Check& (Op AS LONG, InString AS STRING)
REM $DYNAMIC
RetVal& = LEN(InString$)
SELECT CASE Op&
CASE 10
' {00A} Test String for Base-10-Format ( *!* ALTERS InString$ *!* )
' Returns:
' {& > 0} = DP offset; {& < 0} = FAILED at negative offset
'
' After testing passes, the string is trimmed
' of nonessential leading and trailing zeroes.
IF RetVal& = 0 THEN
RetVal& = -1
ELSE
SELECT CASE ASC(LEFT$(InString$, 1))
CASE 43, 45 ' "+", "-"
FOR I& = 2 TO RetVal&
SELECT CASE ASC(MID$(InString$, I&, 1))
CASE 46 ' "."
IF DPC% > 0 THEN
RetVal& = 0 - I&
EXIT FOR
ELSE
DPC% = DPC% + 1
RetVal& = I&
END IF
CASE 48 TO 57
' keep going
CASE ELSE
RetVal& = 0 - I&
EXIT FOR
END SELECT
NEXT I&
CASE ELSE
RetVal& = -1
END SELECT
IF DPC% = 0 AND RetVal& > 0 THEN
RetVal& = 0 - RetVal&
ELSEIF RetVal& = 2 THEN
InString$ = LEFT$(InString$, 1) + CHR$(48) + RIGHT$(InString$, LEN(InString$) - 1)
RetVal& = RetVal& + 1
END IF
IF RetVal& = LEN(InString$) THEN InString$ = InString$ + CHR$(48)
DO WHILE ASC(RIGHT$(InString$, 1)) = 48 AND RetVal& < (LEN(InString$) - 1)
InString$ = LEFT$(InString$, LEN(InString$) - 1)
LOOP
DO WHILE ASC(MID$(InString$, 2, 1)) = 48 AND RetVal& > 3
InString$ = LEFT$(InString$, 1) + RIGHT$(InString$, LEN(InString$) - 2)
RetVal& = RetVal& - 1
LOOP
END IF
CASE 11
' {00B} Read Sign ("+", "-", or CHR$(241))
' Returns:
' Explicit: +1 = Positive; -1 = Negative; 0 = Unsigned;
' Implied: +64 = Positive; -64 = NULL String
IF RetVal& = 0 THEN RetVal& = -64
FOR I& = 1 TO RetVal&
SELECT CASE ASC(MID$(InString$, I&, 1))
CASE 32
RetVal& = 64
' keep going
CASE 43
RetVal& = 1
EXIT FOR
CASE 45
RetVal& = -1
EXIT FOR
CASE 241
RetVal& = 0
EXIT FOR
CASE ELSE
RetVal& = 64
EXIT FOR
END SELECT
NEXT I&
CASE ELSE
RetVal& = 0 - Op&
END SELECT
Check& = RetVal&
END FUNCTION
FUNCTION N2S$ (exp$) 'scientific Notation to String
t$ = LTRIM$(RTRIM$(exp$))
IF LEFT$(t$, 1) = "-" THEN sign$ = "-": t$ = MID$(t$, 2)
dp = INSTR(t$, "D+"): dm = INSTR(t$, "D-")
ep = INSTR(t$, "E+"): em = INSTR(t$, "E-")
check1 = SGN(dp) + SGN(dm) + SGN(ep) + SGN(em)
IF check1 < 1 OR check1 > 1 THEN N2S = exp$: EXIT SUB 'If no scientic notation is found, or if we find more than 1 type, it's not SN!
SELECT CASE l 'l now tells us where the SN starts at.
CASE IS < dp: l = dp
CASE IS < dm: l = dm
CASE IS < ep: l = ep
CASE IS < em: l = em
END SELECT
l$ = LEFT$(t$, l - 1) 'The left of the SN
r$ = MID$(t$, l + 1): r&& = VAL(r$) 'The right of the SN, turned into a workable long
IF INSTR(l$, ".") THEN 'Location of the decimal, if any
IF r&& > 0 THEN
r&& = r&& - LEN(l$) + 2
ELSE
r&& = r&& + 1
END IF
l$ = LEFT$(l$, 1) + MID$(l$, 3)
END IF
SELECT CASE r&&
CASE 0 'what the heck? We solved it already?
'l$ = l$
CASE IS < 0
FOR i = 1 TO -r&&
l$ = "0" + l$
NEXT
l$ = "0." + l$
CASE ELSE
FOR i = 1 TO r&&
l$ = l$ + "0"
NEXT
END SELECT
N2S$ = sign$ + l$
END SUB
FUNCTION QuotedFilename$ (f$)
IF os$ = "WIN" THEN
QuotedFilename$ = CHR$(34) + f$ + CHR$(34)
EXIT FUNCTION
END IF
IF os$ = "LNX" THEN
QuotedFilename$ = "'" + f$ + "'"
EXIT FUNCTION
END IF
END FUNCTION
FUNCTION HashValue& (a$) 'returns the hash table value of a string
'[5(first)][5(second)][5(last)][5(2nd-last)][3(length AND 7)][1(first char is underscore)]
l = LEN(a$)
IF l = 0 THEN EXIT FUNCTION 'an (invalid) NULL string equates to 0
a = ASC(a$)
IF a <> 95 THEN 'does not begin with underscore
SELECT CASE l
CASE 1
HashValue& = hash1char(a) + 1048576
EXIT FUNCTION
CASE 2
HashValue& = hash2char(CVI(a$)) + 2097152
EXIT FUNCTION
CASE 3
HashValue& = hash2char(CVI(a$)) + hash1char(ASC(a$, 3)) * 1024 + 3145728
EXIT FUNCTION
CASE ELSE
HashValue& = hash2char(CVI(a$)) + hash2char(ASC(a$, l) + ASC(a$, l - 1) * 256) * 1024 + (l AND 7) * 1048576
EXIT FUNCTION
END SELECT
ELSE 'does begin with underscore
SELECT CASE l
CASE 1
HashValue& = (1048576 + 8388608): EXIT FUNCTION 'note: underscore only is illegal in QB64 but supported by hash
CASE 2
HashValue& = hash1char(ASC(a$, 2)) + (2097152 + 8388608)
EXIT FUNCTION
CASE 3
HashValue& = hash2char(ASC(a$, 2) + ASC(a$, 3) * 256) + (3145728 + 8388608)
EXIT FUNCTION
CASE 4
HashValue& = hash2char((CVL(a$) AND &HFFFF00) \ 256) + hash1char(ASC(a$, 4)) * 1024 + (4194304 + 8388608)
EXIT FUNCTION
CASE ELSE
HashValue& = hash2char((CVL(a$) AND &HFFFF00) \ 256) + hash2char(ASC(a$, l) + ASC(a$, l - 1) * 256) * 1024 + (l AND 7) * 1048576 + 8388608
EXIT FUNCTION
END SELECT
END IF
END FUNCTION
SUB HashAdd (a$, flags, reference)
'find the index to use
IF HashListFreeLast > 0 THEN
'take from free list
i = HashListFree(HashListFreeLast)
HashListFreeLast = HashListFreeLast - 1
ELSE
IF HashListNext > HashListSize THEN
'double hash list size
HashListSize = HashListSize * 2
REDIM _PRESERVE HashList(1 TO HashListSize) AS HashListItem
REDIM _PRESERVE HashListName(1 TO HashListSize) AS STRING * 256
END IF
i = HashListNext
HashListNext = HashListNext + 1
END IF
'setup links to index
x = HashValue(a$)
i2 = HashTable(x)
IF i2 THEN
i3 = HashList(i2).LastItem
HashList(i2).LastItem = i
HashList(i3).NextItem = i
HashList(i).PrevItem = i3
ELSE
HashTable(x) = i
HashList(i).PrevItem = 0
HashList(i).LastItem = i
END IF
HashList(i).NextItem = 0
'set common hashlist values
HashList(i).Flags = flags
HashList(i).Reference = reference
HashListName(i) = UCASE$(a$)
END SUB
FUNCTION HashFind (a$, searchflags, resultflags, resultreference)
'(0,1,2)z=hashfind[rev]("RUMI",Hashflag_label,resflag,resref)
'0=doesn't exist
'1=found, no more items to scan
'2=found, more items still to scan
i = HashTable(HashValue(a$))
IF i THEN
ua$ = UCASE$(a$) + SPACE$(256 - LEN(a$))
hashfind_next:
f = HashList(i).Flags
IF searchflags AND f THEN 'flags in common
IF HashListName(i) = ua$ THEN
resultflags = f
resultreference = HashList(i).Reference
i2 = HashList(i).NextItem
IF i2 THEN
HashFind = 2
HashFind_NextListItem = i2
HashFind_Reverse = 0
HashFind_SearchFlags = searchflags
HashFind_Name = ua$
HashRemove_LastFound = i
EXIT FUNCTION
ELSE
HashFind = 1
HashRemove_LastFound = i
EXIT FUNCTION
END IF
END IF
END IF
i = HashList(i).NextItem
IF i THEN GOTO hashfind_next
END IF
END FUNCTION
FUNCTION HashFindRev (a$, searchflags, resultflags, resultreference)
'(0,1,2)z=hashfind[rev]("RUMI",Hashflag_label,resflag,resref)
'0=doesn't exist
'1=found, no more items to scan
'2=found, more items still to scan
i = HashTable(HashValue(a$))
IF i THEN
i = HashList(i).LastItem
ua$ = UCASE$(a$) + SPACE$(256 - LEN(a$))
hashfindrev_next:
f = HashList(i).Flags
IF searchflags AND f THEN 'flags in common
IF HashListName(i) = ua$ THEN
resultflags = f
resultreference = HashList(i).Reference
i2 = HashList(i).PrevItem
IF i2 THEN
HashFindRev = 2
HashFind_NextListItem = i2
HashFind_Reverse = 1
HashFind_SearchFlags = searchflags
HashFind_Name = ua$
HashRemove_LastFound = i
EXIT FUNCTION
ELSE
HashFindRev = 1
HashRemove_LastFound = i
EXIT FUNCTION
END IF
END IF
END IF
i = HashList(i).PrevItem
IF i THEN GOTO hashfindrev_next
END IF
END FUNCTION
FUNCTION HashFindCont (resultflags, resultreference)
'(0,1,2)z=hashfind[rev](resflag,resref)
'0=no more items exist
'1=found, no more items to scan
'2=found, more items still to scan
IF HashFind_Reverse THEN
i = HashFind_NextListItem
hashfindrevc_next:
f = HashList(i).Flags
IF HashFind_SearchFlags AND f THEN 'flags in common
IF HashListName(i) = HashFind_Name THEN
resultflags = f
resultreference = HashList(i).Reference
i2 = HashList(i).PrevItem
IF i2 THEN
HashFindCont = 2
HashFind_NextListItem = i2
HashRemove_LastFound = i
EXIT FUNCTION
ELSE
HashFindCont = 1
HashRemove_LastFound = i
EXIT FUNCTION
END IF
END IF
END IF
i = HashList(i).PrevItem
IF i THEN GOTO hashfindrevc_next
EXIT FUNCTION
ELSE
i = HashFind_NextListItem
hashfindc_next:
f = HashList(i).Flags
IF HashFind_SearchFlags AND f THEN 'flags in common
IF HashListName(i) = HashFind_Name THEN
resultflags = f
resultreference = HashList(i).Reference
i2 = HashList(i).NextItem
IF i2 THEN
HashFindCont = 2
HashFind_NextListItem = i2
HashRemove_LastFound = i
EXIT FUNCTION
ELSE
HashFindCont = 1
HashRemove_LastFound = i
EXIT FUNCTION
END IF
END IF
END IF
i = HashList(i).NextItem
IF i THEN GOTO hashfindc_next
EXIT FUNCTION
END IF
END FUNCTION
SUB HashRemove
i = HashRemove_LastFound
'add to free list
HashListFreeLast = HashListFreeLast + 1
IF HashListFreeLast > HashListFreeSize THEN
HashListFreeSize = HashListFreeSize * 2
REDIM _PRESERVE HashListFree(1 TO HashListFreeSize) AS LONG
END IF
HashListFree(HashListFreeLast) = i
'unlink
i1 = HashList(i).PrevItem
IF i1 THEN
'not first item in list
i2 = HashList(i).NextItem
IF i2 THEN
'(not first and) not last item
HashList(i1).NextItem = i2
HashList(i2).LastItem = i1
ELSE
'last item
x = HashTable(HashValue(HashListName$(i)))
HashList(x).LastItem = i1
HashList(i1).NextItem = 0
END IF
ELSE
'first item in list
x = HashTable(HashValue(HashListName$(i)))
i2 = HashList(i).NextItem
IF i2 THEN
'(first item but) not last item
HashTable(x) = i2
HashList(i2).PrevItem = 0
HashList(i2).LastItem = HashList(i).LastItem
ELSE
'(first and) last item
HashTable(x) = 0
END IF
END IF
END SUB
SUB HashDump 'used for debugging purposes
fh = FREEFILE
OPEN "hashdump.txt" FOR OUTPUT AS #fh
b$ = "12345678901234567890123456789012}"
FOR x = 0 TO 16777215
IF HashTable(x) THEN
PRINT #fh, "START HashTable("; x; "):"
i = HashTable(x)
'validate
lasti = HashList(i).LastItem
IF HashList(i).LastItem = 0 OR HashList(i).PrevItem <> 0 OR HashValue(HashListName(i)) <> x THEN GOTO corrupt
PRINT #fh, " HashList("; i; ").LastItem="; HashList(i).LastItem
hashdumpnextitem:
x$ = " [" + STR$(i) + "]" + HashListName(i)
f = HashList(i).Flags
x$ = x$ + ",.Flags=" + STR$(f) + "{"
FOR z = 1 TO 32
ASC(b$, z) = (f AND 1) + 48
f = f \ 2
NEXT
x$ = x$ + b$
x$ = x$ + ",.Reference=" + STR$(HashList(i).Reference)
PRINT #fh, x$
'validate
i1 = HashList(i).PrevItem
i2 = HashList(i).NextItem
IF i1 THEN
IF HashList(i1).NextItem <> i THEN GOTO corrupt
END IF
IF i2 THEN
IF HashList(i2).PrevItem <> i THEN GOTO corrupt
END IF
IF i2 = 0 THEN
IF lasti <> i THEN GOTO corrupt
END IF
i = HashList(i).NextItem
IF i THEN GOTO hashdumpnextitem
PRINT #fh, "END HashTable("; x; ")"
END IF
NEXT
CLOSE #fh
EXIT SUB
corrupt:
PRINT #fh, "HASH TABLE CORRUPT!" 'should never happen
CLOSE #fh
END SUB
SUB HashClear 'clear entire hash table
HashListSize = 65536
HashListNext = 1
HashListFreeSize = 1024
HashListFreeLast = 0
REDIM HashList(1 TO HashListSize) AS HashListItem
REDIM HashListName(1 TO HashListSize) AS STRING * 256
REDIM HashListFree(1 TO HashListFreeSize) AS LONG
REDIM HashTable(16777215) AS LONG '64MB lookup table with indexes to the hashlist
HashFind_NextListItem = 0
HashFind_Reverse = 0
HashFind_SearchFlags = 0
HashFind_Name = ""
HashRemove_LastFound = 0
END SUB
FUNCTION removecast$ (a$)
removecast$ = a$
IF INSTR(a$, " )") THEN
removecast$ = RIGHT$(a$, LEN(a$) - INSTR(a$, " )") - 2)
END IF
END FUNCTION
FUNCTION converttabs$ (a2$)
IF ideautoindent THEN s = ideautoindentsize ELSE s = 4
a$ = a2$
DO WHILE INSTR(a$, CHR_TAB)
x = INSTR(a$, CHR_TAB)
a$ = LEFT$(a$, x - 1) + SPACE$(s - ((x - 1) MOD s)) + RIGHT$(a$, LEN(a$) - x)
LOOP
converttabs$ = a$
END FUNCTION
FUNCTION NewByteElement$
a$ = "byte_element_" + str2$(uniquenumber)
NewByteElement$ = a$
IF use_global_byte_elements THEN
PRINT #18, "byte_element_struct *" + a$ + "=(byte_element_struct*)malloc(12);"
ELSE
PRINT #13, "byte_element_struct *" + a$ + "=NULL;"
PRINT #13, "if (!" + a$ + "){"
PRINT #13, "if ((mem_static_pointer+=12) 40 THEN
IF l = 0 THEN EXIT FUNCTION
'Note: variable names with periods need to be obfuscated, and this affects their length
i = INSTR(a$, fix046$)
DO WHILE i
l = l - LEN(fix046$) + 1
i = INSTR(i + 1, a$, fix046$)
LOOP
IF l > 40 THEN EXIT FUNCTION
l = LEN(a$)
END IF
'check for single, leading underscore
IF l >= 2 THEN
IF ASC(a$, 1) = 95 AND ASC(a$, 2) <> 95 THEN EXIT FUNCTION
END IF
FOR i = 1 TO l
a = ASC(a$, i)
IF alphanumeric(a) = 0 THEN EXIT FUNCTION
IF isnumeric(a) THEN
trailingunderscore = 0
IF alphabetletter = 0 THEN EXIT FUNCTION
ELSE
IF a = 95 THEN
trailingunderscore = 1
ELSE
alphabetletter = 1
trailingunderscore = 0
END IF
END IF
NEXT
IF trailingunderscore THEN EXIT FUNCTION
validname = 1
END FUNCTION
FUNCTION str_nth$ (x)
IF x = 1 THEN str_nth$ = "1st": EXIT FUNCTION
IF x = 2 THEN str_nth$ = "2nd": EXIT FUNCTION
IF x = 3 THEN str_nth$ = "3rd": EXIT FUNCTION
str_nth$ = str2(x) + "th"
END FUNCTION
SUB Give_Error (a$)
Error_Happened = 1
Error_Message = a$
END SUB
SUB WriteConfigSetting (heading$, item$, tvalue$)
value$ = tvalue$
SHARED ConfigFile$, ConfigBak$
InFile = FREEFILE: OPEN ConfigFile$ FOR BINARY AS #InFile
OutFile = FREEFILE: OPEN ConfigBak$ FOR OUTPUT AS #OutFile
placed = 0
'check for quotes where needed for strings
IF RIGHT$(RTRIM$(item$), 1) = "$" THEN
IF LEFT$(value$, 1) <> CHR$(34) THEN value$ = CHR$(34) + value$
IF RIGHT$(value$, 1) <> CHR$(34) THEN value$ = value$ + CHR$(34)
END IF
IF LOF(InFile) THEN
DO UNTIL EOF(InFile)
LINE INPUT #InFile, junk$
'we really don't care about heading$ here; it's only used to make things easier for the user to locate in the config file
junk$ = LTRIM$(RTRIM$(junk$))
l = INSTR(junk$, "=") 'compare the values to the left of the equal sign
compare$ = RTRIM$(LEFT$(junk$, l - 1))
IF UCASE$(compare$) = UCASE$(item$) THEN 'if it's a match, replace it
PRINT #OutFile, item$; " = "; value$
placed = -1
ELSE
PRINT #OutFile, junk$ 'otherwise put that line back and check the next one
END IF
LOOP
END IF
CLOSE #InFile, #OutFile
KILL ConfigFile$
IF NOT placed THEN 'we didn't find the proper setting already in the file somewhere.
'Either the file was corrupted, or the user deleted this particulat setting sometime in the past.
'Now we look to see if the heading exists in the file or not.
'If it does, then we place the new setting under that heading.
'If not then we write that heading to the end of the file to make it easier for the user to locate in the future
'and then we write it below there.
OPEN ConfigBak$ FOR BINARY AS #InFile
OPEN "internal/config.tmp" FOR OUTPUT AS #OutFile
out$ = item$ + " = " + value$
DO UNTIL EOF(InFile) OR LOF(InFile) = 0
LINE INPUT #InFile, temp$
PRINT #OutFile, temp$
IF INSTR(temp$, heading$) THEN PRINT #OutFile, out$: placed = -1 'If we have the heading, we want to print the item after it
LOOP
IF NOT placed THEN 'If the heading doesn't exist already then we'll make the heading and the item
PRINT #OutFile, ""
PRINT #OutFile, heading$
PRINT #OutFile, out$
END IF
CLOSE #InFile, #OutFile
KILL ConfigBak$
NAME "internal/config.tmp" AS ConfigFile$
ELSE
NAME ConfigBak$ AS ConfigFile$
END IF
END SUB
FUNCTION ReadConfigSetting (item$, value$)
SHARED ConfigFile$
value$ = "" 'We start by blanking the value$ as a default return state
InFile = FREEFILE: OPEN ConfigFile$ FOR BINARY AS #InFile
IF LOF(InFile) THEN
found = 0
DO UNTIL EOF(InFile)
LINE INPUT #InFile, temp$
temp$ = LTRIM$(RTRIM$(temp$))
l = INSTR(temp$, "=")
compare$ = LTRIM$(RTRIM$(LEFT$(temp$, l - 1)))
IF UCASE$(compare$) = UCASE$(item$) THEN found = -1: EXIT DO
LOOP
CLOSE #InFile
IF found THEN 'we found what we're looking for
IF l THEN
value$ = MID$(temp$, l + 1)
l = INSTR(value$, CHR$(13)) 'we only want what's before a CR
IF l THEN value$ = LEFT$(value$, l)
l = INSTR(value$, CHR$(10)) 'or a LineFeed
'These are basic text files; they shouldn't have stray CHR$(10) or CHR$(13) characters in them!
IF l THEN value$ = LEFT$(value$, l)
value$ = LTRIM$(RTRIM$(value$))
'check for quotes where needed for strings and remove them so our return value doesn't contain them
IF RIGHT$(RTRIM$(item$), 1) = "$" THEN
IF LEFT$(value$, 1) = CHR$(34) THEN value$ = MID$(value$, 2)
IF RIGHT$(value$, 1) = CHR$(34) THEN value$ = LEFT$(value$, LEN(value$) - 1)
END IF
ReadConfigSetting = -1
EXIT FUNCTION
END IF
END IF
END IF
CLOSE #InFile
ReadConfigSetting = 0 'failed to find the setting
END FUNCTION
FUNCTION VRGBS (text$, DefaultColor AS _UNSIGNED LONG)
'Value of RGB String = VRGBS without a ton of typing
'A function to get the RGB value back from a string such as _RGB32(255,255,255)
'text$ is the string that we send to check for a value
'DefaultColor is the value we send back if the string isn't in the proper format
VRGBS = DefaultColor 'A return the default value if we can't parse the string properly
IF UCASE$(LEFT$(text$, 4)) = "_RGB" THEN
rpos = INSTR(text$, "(")
gpos = INSTR(rpos, text$, ",")
bpos = INSTR(gpos + 1, text$, ",")
IF rpos <> 0 AND bpos <> 0 AND gpos <> 0 THEN
red = VAL(MID$(text$, rpos + 1))
green = VAL(MID$(text$, gpos + 1))
blue = VAL(MID$(text$, bpos + 1))
VRGBS = _RGB32(red, green, blue)
END IF
END IF
END FUNCTION
FUNCTION EvalPreIF (text$, err$)
temp$ = text$ 'so we don't corrupt the string sent to us for evaluation
err$ = "" 'null the err message to begin with
'first order of business is to solve for <>=
DIM PC_Op(3) AS STRING
PC_Op(1) = "="
PC_Op(2) = "<"
PC_Op(3) = ">"
DO
'look for the existence of the first symbol if there is any
firstsymbol$ = "": first = 0
FOR i = 1 TO UBOUND(PC_Op)
temp = INSTR(temp$, PC_Op(i))
IF first = 0 THEN first = temp: firstsymbol$ = PC_Op(i)
IF temp <> 0 AND temp < first THEN first = temp: firstsymbol$ = PC_Op(i)
NEXT
IF firstsymbol$ <> "" THEN 'we've got = < >; let's see if we have a combination of them
secondsymbol = 0: second = 0
FOR i = first + 1 TO LEN(temp$)
a$ = MID$(temp$, i, 1)
SELECT CASE a$
CASE " " 'ignore spaces
CASE "=", "<", ">"
IF a$ = firstsymbol$ THEN err$ = "Duplicate operator (" + a$ + ")": EXIT SUB
second = i: secondsymbol$ = a$
CASE ELSE 'we found a symbol we don't recognize
EXIT FOR
END SELECT
NEXT
END IF
IF first THEN 'we found a symbol
l$ = RTRIM$(LEFT$(temp$, first - 1))
IF second THEN rightstart = second + 1 ELSE rightstart = first + 1
r$ = LTRIM$(MID$(temp$, rightstart))
symbol$ = MID$(temp$, first, 1) + MID$(temp$, second, 1)
'now we check for spaces to separate this segment from any other AND/OR conditions and such
FOR i = LEN(l$) TO 1 STEP -1
IF ASC(l$, i) = 32 THEN EXIT FOR
NEXT
leftside$ = RTRIM$(LEFT$(temp$, i))
l$ = LTRIM$(RTRIM$(MID$(temp$, i + 1, LEN(l$) - i)))
rightstop = LEN(r$)
FOR i = 1 TO LEN(r$)
IF ASC(r$, i) = 32 THEN EXIT FOR
NEXT
rightside$ = LTRIM$(MID$(r$, i + 1))
r$ = LTRIM$(RTRIM$(LEFT$(r$, i - 1)))
IF symbol$ = "=<" THEN symbol$ = "<="
IF symbol$ = "=>" THEN symbol$ = ">="
IF symbol$ = "><" THEN symbol$ = "<>"
result$ = " 0 "
IF symbol$ = "<>" THEN 'check to see if we're NOT equal in any case with <>
FOR i = 0 TO UserDefineCount
IF UserDefine(0, i) = l$ AND UserDefine(1, i) <> r$ THEN result$ = " -1 ": GOTO finishedcheck
NEXT
END IF
IF INSTR(symbol$, "=") THEN 'check to see if we're equal in any case with =
FOR i = 0 TO UserDefineCount
IF UserDefine(0, i) = l$ AND UserDefine(1, i) = r$ THEN result$ = " -1 ": GOTO finishedcheck
NEXT
END IF
IF INSTR(symbol$, ">") THEN 'check to see if we're greater than in any case with >
FOR i = 0 TO UserDefineCount
IF VerifyNumber(r$) AND VerifyNumber(UserDefine(1, i)) THEN 'we're comparing numeric values
IF UserDefine(0, i) = l$ AND VAL(UserDefine(1, i)) > VAL(r$) THEN result$ = " -1 ": GOTO finishedcheck
ELSE
IF UserDefine(0, i) = l$ AND UserDefine(1, i) > r$ THEN result$ = " -1 ": GOTO finishedcheck
END IF
NEXT
END IF
IF INSTR(symbol$, "<") THEN 'check to see if we're less than in any case with <
FOR i = 0 TO UserDefineCount
IF VerifyNumber(r$) AND VerifyNumber(UserDefine(1, i)) THEN 'we're comparing numeric values
IF UserDefine(0, i) = l$ AND VAL(UserDefine(1, i)) < VAL(r$) THEN result$ = " -1 ": GOTO finishedcheck
ELSE
IF UserDefine(0, i) = l$ AND UserDefine(1, i) < r$ THEN result$ = " -1 ": GOTO finishedcheck
END IF
NEXT
END IF
finishedcheck:
temp$ = leftside$ + result$ + rightside$
END IF
LOOP UNTIL first = 0
'And at this point we should now be down to a statement with nothing but AND/OR/XORS in it
PC_Op(1) = " AND "
PC_Op(2) = " OR "
PC_Op(3) = " XOR "
DO
first = 0
FOR i = 1 TO UBOUND(PC_Op)
IF PC_Op(i) <> "" THEN
t = INSTR(temp$, PC_Op(i))
IF first <> 0 THEN
IF t < first AND t <> 0 THEN first = t: firstsymbol = i
ELSE
first = t: firstsymbol = i
END IF
END IF
NEXT
IF first = 0 THEN EXIT DO
leftside$ = RTRIM$(LEFT$(temp$, first - 1))
symbol$ = MID$(temp$, first, LEN(PC_Op(firstsymbol)))
t$ = MID$(temp$, first + LEN(PC_Op(firstsymbol)))
t = INSTR(t$, " ") 'the first space we come to
IF t THEN
m$ = LTRIM$(RTRIM$(LEFT$(t$, t - 1)))
rightside$ = LTRIM$(MID$(t$, t))
ELSE
m$ = LTRIM$(MID$(t$, t))
rightside$ = ""
END IF
leftresult = 0
IF VerifyNumber(leftside$) THEN
IF VAL(leftside$) <> 0 THEN leftresult = -1
ELSE
FOR i = 0 TO UserDefineCount
IF UserDefine(0, i) = leftside$ THEN
t$ = LTRIM$(RTRIM$(UserDefine(1, i)))
IF t$ <> "0" AND t$ <> "" THEN leftresult = -1: EXIT FOR
END IF
NEXT
END IF
rightresult = 0
IF VerifyNumber(m$) THEN
IF VAL(m$) <> 0 THEN rightresult = -1
ELSE
FOR i = 0 TO UserDefineCount
IF UserDefine(0, i) = m$ THEN
t$ = LTRIM$(RTRIM$(UserDefine(1, i)))
IF t$ <> "0" AND t$ <> "" THEN rightresult = -1: EXIT FOR
END IF
NEXT
END IF
SELECT CASE LTRIM$(RTRIM$(symbol$))
CASE "AND"
IF leftresult <> 0 AND rightresult <> 0 THEN result$ = " -1 " ELSE result$ = " 0 "
CASE "OR"
IF leftresult <> 0 OR rightresult <> 0 THEN result$ = " -1 " ELSE result$ = " 0 "
CASE "XOR"
IF leftresult <> rightresult THEN result$ = " -1 " ELSE result$ = " 0 "
END SELECT
temp$ = result$ + rightside$
LOOP
IF VerifyNumber(temp$) THEN
EvalPreIF = VAL(temp$)
ELSE
IF INSTR(temp$, " ") THEN err$ = "Invalid Resolution of $IF; check statements" 'If we've got more than 1 statement, it's invalid
FOR i = 0 TO UserDefineCount
IF UserDefine(0, i) = temp$ THEN
t$ = LTRIM$(RTRIM$(UserDefine(1, i)))
IF t$ <> "0" AND t$ <> "" THEN EvalPreIF = -1: EXIT FOR
END IF
NEXT
END IF
END SUB
FUNCTION VerifyNumber (text$)
t$ = LTRIM$(RTRIM$(text$))
v = VAL(t$)
t1$ = LTRIM$(STR$(v))
IF t$ = t1$ THEN VerifyNumber = -1
END FUNCTION
'$INCLUDE:'utilities\strings.bas'
'$INCLUDE:'subs_functions\extensions\opengl\opengl_methods.bas'
'INCLUDE:'qb_framework\qb_framework_methods.bas'
DEFLNG A-Z
'INCLUDE:'virtual_keyboard\virtual_keyboard_methods.bas'
DEFLNG A-Z
'$INCLUDE:'android\android_methods.bas'
DEFLNG A-Z
'-------- Optional IDE Component (2/2) --------
'$INCLUDE:'ide\ide_methods.bas'