" Vim syntax file
-" Language: FreeBasic
-" Maintainer: Mark Manning <markem@sim1.us>
-" Updated: 10/9/2019
-" Version: 7.0b
+" Language: FreeBASIC
+" Maintainer: Doug Kearns <dougkearns@gmail.com>
+" Previous Maintainer: Mark Manning <markem@sim1.us>
+" Last Change: 2022 Jun 26
"
" Description:
"
" Based originally on the work done by Allan Kelly <Allan.Kelly@ed.ac.uk>
" Updated by Mark Manning <markem@sim1.us>
-" Applied FreeBasic support to the already excellent support
+" Applied FreeBASIC support to the already excellent support
" for standard basic syntax (like QB).
"
" First version based on Micro$soft QBASIC circa
" not a complete implementation yet. Send suggestions to
" the maintainer.
"
+" TODO: split this into separate dialect-based files, possibly with a common base
+"
" Quit when a (custom) syntax file was already loaded (Taken from c.vim)
"
if exists("b:current_syntax")
finish
endif
"
+" Dialect detection
+"
+let s:lang = freebasic#GetDialect()
+"
+" Whitespace Errors
+"
+if exists("freebasic_space_errors")
+ if !exists("freebasic_no_trail_space_error")
+ syn match freebasicSpaceError display excludenl "\s\+$"
+ endif
+ if !exists("freebasic_no_tab_space_error")
+ syn match freebasicSpaceError display " \+\t"me=e-1
+ endif
+endif
+"
" Be sure to turn on the "case ignore" since current versions
" of freebasic support both upper as well as lowercase
" letters. - MEM 10/1/2006
"
syn case ignore
"
-" This list of keywords is taken directly from the FreeBasic
-" user's guide as presented by the FreeBasic online site.
+" Do the Basic variables names first. This is because it
+" is the most inclusive of the tests. Later on we change
+" this so the identifiers are split up into the various
+" types of identifiers like functions, basic commands and
+" such. MEM 9/9/2006
+"
+if s:lang =~# '\<\%(qb\|fblite\)\>'
+ syn iskeyword @,48-57,_,192-255,.
+ syn match freebasicIdentifier "\<\h\%(\w\|\.\)*\>"
+ syn match freebasicGenericFunction "\<\h\%(\w\|\.\)*\>\ze\s*("
+else
+ syn iskeyword @,48-57,_,192-255
+ syn match freebasicIdentifier "\<\h\w*\>"
+ syn match freebasicGenericFunction "\<\h\w*\>\ze\s*("
+endif
+"
+" This list of keywords is taken directly from the FreeBASIC
+" user's guide as presented by the FreeBASIC online site.
"
-syn keyword freebasicArrays ERASE LBOUND REDIM PRESERVE UBOUND
+syn keyword freebasicArrays ERASE LBOUND PRESERVE REDIM UBOUND
-syn keyword freebasicBitManipulation BIT BITRESET BITSET HIBYTE HIWORD LOBYTE LOWORD SHL SHR
+" array.bi
+syn keyword freebasicArrays ARRAYLEN ARRAYSIZE
+if s:lang == "fb"
+ syn keyword freebasicArrays ArrayConstDescriptorPtr ArrayDescriptorPtr FBARRAY
+endif
-syn keyword freebasicCompilerSwitches DEFBYTE DEFDBL DEFINT DEFLNG DEFLNGINT DEFSHORT DEFSNG DEFSTR
-syn keyword freebasicCompilerSwitches DEFUBYTE DEFUINT DEFULNGINT DEFUSHORT
-syn match freebasicCompilerSwitches "\<option\s+\(BASE\|BYVAL\|DYNAMIC\|ESCAPE\|EXPLICIT\|NOKEYWORD\)\>"
-syn match freebasicCompilerSwitches "\<option\s+\(PRIVATE\|STATIC\)\>"
+if s:lang == "qb"
+ syn keyword freebasicAsm __ASM
+ syn match freebasicAsm "\<end\s\+__asm\>"
+else
+ syn keyword freebasicAsm ASM
+ syn match freebasicAsm "\<end\s\+asm\>"
+endif
-syn region freebasicConditional start="\son\s+" skip=".*" end="gosub"
-syn region freebasicConditional start="\son\s+" skip=".*" end="goto"
-syn match freebasicConditional "\<select\s+case\>"
-syn keyword freebasicConditional if iif then case else elseif with
+if s:lang == "qb"
+ syn keyword freebasicBitManipulation __BIT __BITRESET __BITSET __HIBYTE __HIWORD __LOBYTE __LOWORD
+else
+ syn keyword freebasicBitManipulation BIT BITRESET BITSET HIBYTE HIWORD LOBYTE LOWORD
+endif
-syn match freebasicConsole "\<open\s+\(CONS\|ERR\|PIPE\|SCRN\)\>"
-syn keyword freebasicConsole BEEP CLS CSRLIN LOCATE PRINT POS SPC TAB VIEW WIDTH
+if s:lang != "fb"
+ syn keyword freebasicCompilerSwitches DEFDBL DEFINT DEFLNG DEFSNG DEFSTR
+endif
+if s:lang == "qb"
+ syn keyword freebasicCompilerSwitches __DEFBYTE __DEFLONGINT __DEFSHORT __DEFUBYTE __DEFUINT __DEFULONGINT __DEFUSHORT
+elseif s:lang == "fblite" || s:lang == "deprecated"
+ syn keyword freebasicCompilerSwitches DEFBYTE DEFLONGINT DEFSHORT DEFUBYTE DEFUINT DEFUILONGINT DEFUSHORT
+endif
-syn keyword freebasicDataTypes BYTE AS DIM CONST DOUBLE ENUM INTEGER LONG LONGINT SHARED SHORT STRING
-syn keyword freebasicDataTypes SINGLE TYPE UBYTE UINTEGER ULONGINT UNION UNSIGNED USHORT WSTRING ZSTRING
+syn match freebasicCompilerSwitches "\<option\s\+\%(BASE\|BYVAL\|DYNAMIC\|ESCAPE\|EXPLICIT\|GOSUB\|NOGOSUB\)\>"
+syn match freebasicCompilerSwitches "\<option\s\+\%(NOKEYWORD\|PRIVATE\|STATIC\)\>"
-syn keyword freebasicDateTime DATE DATEADD DATEDIFF DATEPART DATESERIAL DATEVALUE DAY HOUR MINUTE
-syn keyword freebasicDateTime MONTH MONTHNAME NOW SECOND SETDATE SETTIME TIME TIMESERIAL TIMEVALUE
-syn keyword freebasicDateTime TIMER YEAR WEEKDAY WEEKDAYNAME
+syn keyword freebasicData DATA READ RESTORE
-syn keyword freebasicDebug ASSERT STOP
+syn keyword freebasicProgramFlow EXIT GOTO RETURN SLEEP
+syn match freebasicProgramFlow "\<end\>"
+if s:lang == "qb"
+ syn keyword freebasicProgramFlow __SLEEP
+endif
+if s:lang == "fblite" || s:lang == "qb"
+ syn keyword freebasicProgramFlow GOSUB
+endif
+if s:lang == "fb" || s:lang == "deprecated"
+ syn keyword freebasicProgramFlow SCOPE
+ syn match freebasicProgramFlow "\<end\s\+scope\>"
+endif
-syn keyword freebasicErrorHandling ERR ERL ERROR LOCAL RESUME
-syn match freebasicErrorHandling "\<resume\s+next\>"
-syn match freebasicErrorHandling "\<on\s+error\>"
+if s:lang == "fblite" || s:lang == "qb"
+ syn region freebasicConditional matchgroup=freebasicConditional start="\<on\>" end="\<gosub\>" transparent
+ syn region freebasicConditional matchgroup=freebasicConditional start="\<on\>" end="\<goto\>" transparent
+endif
+syn keyword freebasicConditional IF THEN ELSE ELSEIF
+if s:lang == "qb"
+ syn keyword freebasicConditional __IIF __WITH
+ syn match freebasicConditional "\<end\s\+__with\>"
+else
+ syn keyword freebasicConditional IIF WITH
+ syn match freebasicConditional "\<end\s\+with\>"
+endif
+syn match freebasicConditional "\<end\s\+if\>"
+syn match freebasicConditional "\<select\s\+case\>"
+syn match freebasicConditional "\<case\>"
+syn match freebasicConditional "\<case\s\+is\>"
+syn match freebasicConditional "\<end\s\+select\>"
-syn match freebasicFiles "\<get\s+#\>"
-syn match freebasicFiles "\<input\s+#\>"
-syn match freebasicFiles "\<line\s+input\s+#\>"
-syn match freebasicFiles "\<put\s+#\>"
-syn keyword freebasicFiles ACCESS APPEND BINARY BLOAD BSAVE CLOSE EOF FREEFILE INPUT LOC
-syn keyword freebasicFiles LOCK LOF OPEN OUTPUT RANDOM RESET SEEK UNLOCK WRITE
+syn keyword freebasicConsole BEEP CLS CSRLIN LOCATE PRINT POS SPC TAB USING VIEW WIDTH
+syn match freebasicConsole "?"
-syn keyword freebasicFunctions ALIAS ANY BYREF BYVAL CALL CDECL CONSTRUCTOR DESTRUCTOR
-syn keyword freebasicFunctions DECLARE FUNCTION LIB OVERLOAD PASCAL STATIC SUB STDCALL
-syn keyword freebasicFunctions VA_ARG VA_FIRST VA_NEXT
+syn keyword freebasicDataTypes SINGLE DOUBLE INTEGER LONG
+syn match freebasicDataTypes "\<string\>"
+syn keyword freebasicDataTypes AS DIM CONST ENUM SHARED TYPE
+syn match freebasicDataTypes "\<end\s\+enum\>"
+syn match freebasicDataTypes "\<end\s\+type\>"
+if s:lang == "qb"
+ syn keyword freebasicDataTypes __BOOLEAN __BYTE __LONGINT __SHORT __UBYTE __UINTEGER __ULONG __ULONGINT __UNSIGNED __USHORT __ZSTRING
+ syn match freebasicDataTypes "\<__WSTRING\>"
+ syn keyword freebasicDataTypes __EXPLICIT __EXTENDS __IMPLEMENTS __OBJECT __POINTER __PTR __SIZEOF __TYPEOF
+ syn keyword freebasicDataTypes __UNION
+ syn match freebasicDataTypes "\<end\s\+__union\>"
+else
+ syn keyword freebasicDataTypes BOOLEAN BYTE LONGINT SHORT UBYTE UINTEGER ULONG ULONGINT UNSIGNED USHORT ZSTRING
+ syn match freebasicDataTypes "\<WSTRING\>"
+ syn keyword freebasicDataTypes EXPLICIT EXTENDS IMPLEMENTS OBJECT POINTER PTR SIZEOF TYPEOF
+ syn keyword freebasicDataTypes UNION
+ syn match freebasicDataTypes "\<end\s\+union\>"
+endif
+if s:lang == "fb"
+ syn keyword freebasicDataTypes BASE CLASS THIS VAR
+endif
-syn match freebasicGraphics "\<palette\s+get\>"
-syn keyword freebasicGraphics ALPHA CIRCLE CLS COLOR CUSTOM DRAW FLIP GET
-syn keyword freebasicGraphics IMAGECREATE IMAGEDESTROY LINE PAINT PALETTE PCOPY PMAP POINT
-syn keyword freebasicGraphics PRESET PSET PUT RGB RGBA SCREEN SCREENCOPY SCREENINFO SCREENLIST
-syn keyword freebasicGraphics SCREENLOCK SCREENPTR SCREENRES SCREENSET SCREENSYNC SCREENUNLOCK
-syn keyword freebasicGraphics TRANS USING VIEW WINDOW
+if s:lang == "qb"
+ syn match freebasicDateTime "\<\%(date\|time\)\$"
+elseif s:lang == "fblite" || s:lang == "deprecated"
+ syn match freebasicDateTime "\<\%(date\|time\)\>\$\="
+else " fb
+ syn keyword freebasicDateTime DATE TIME
+endif
+syn keyword freebasicDateTime SETDATE SETTIME
-syn match freebasicHardware "\<open\s+com\>"
-syn keyword freebasicHardware INP OUT WAIT LPT LPOS LPRINT
+" datetime.bi
+syn keyword freebasicDateTime DATEADD DATEDIFF DATEPART DATESERIAL DATEVALUE DAY HOUR ISDATE MINUTE
+syn keyword freebasicDateTime MONTH MONTHNAME NOW SECOND TIMESERIAL TIMEVALUE
+syn keyword freebasicDateTime TIMER YEAR WEEKDAY WEEKDAYNAME
-syn keyword freebasicLogical AND EQV IMP OR NOT XOR
+syn keyword freebasicDebug STOP
+if s:lang == "qb"
+ syn keyword freebasicDebug __ASSERT __ASSERTWARN
+else
+ syn keyword freebasicDebug ASSERT ASSERTWARN
+endif
-syn keyword freebasicMath ABS ACOS ASIN ATAN2 ATN COS EXP FIX INT LOG MOD RANDOMIZE
-syn keyword freebasicMath RND SGN SIN SQR TAN
+syn keyword freebasicErrorHandling ERR ERL ERROR
+if s:lang == "qb"
+ syn keyword freebasicErrorHandling __ERFN __ERMN
+ syn match freebasicErrorHandling "\<on\s\+error\>"
+else
+ syn keyword freebasicErrorHandling ERFN ERMN
+ syn match freebasicErrorHandling "\<on\s\+\%(local\s\+\)\=error\>"
+endif
+if s:lang != "fb"
+ syn match freebasicErrorHandling "\<resume\%(\s\+next\)\=\>"
+endif
-syn keyword freebasicMemory ALLOCATE CALLOCATE CLEAR DEALLOCATE FIELD FRE PEEK POKE REALLOCATE
+syn match freebasicFiles "\<get\s\+#\>"
+syn match freebasicFiles "\<input\s\+#\>"
+syn match freebasicFiles "\<line\s\+input\s\+#\>"
+syn match freebasicFiles "\<put\s\+#\>"
+syn keyword freebasicFiles ACCESS APPEND BINARY CLOSE EOF FREEFILE INPUT LOC
+syn keyword freebasicFiles LOCK LOF OUTPUT RANDOM RESET SEEK UNLOCK WRITE
+syn match freebasicFiles "\<open\>"
+if s:lang == "qb"
+ syn keyword freebasicFiles __ENCODING
+else
+ syn keyword freebasicFiles ENCODING WINPUT
+ syn match freebasicFiles "\<open\s\+\%(cons\|err\|pipe\|scrn\)\>"
+endif
-syn keyword freebasicMisc ASM DATA LET TO READ RESTORE SIZEOF SWAP OFFSETOF
+" file.bi
+syn keyword freebasicFiles FILEATTR FILECOPY FILEDATETIME FILEEXISTS FILEFLUSH FILELEN FILESETEOF
-syn keyword freebasicModularizing CHAIN COMMON EXPORT EXTERN DYLIBFREE DYLIBLOAD DYLIBSYMBOL
-syn keyword freebasicModularizing PRIVATE PUBLIC
+syn keyword freebasicFunctions ALIAS BYREF BYVAL CDECL DECLARE LIB NAKED PASCAL STATIC STDCALL
+syn match freebasicFunctions "\<option\ze\s*("
-syn keyword freebasicMultithreading MUTEXCREATE MUTEXDESTROY MUTEXLOCK MUTEXUNLOCK THREADCREATE THREADWAIT
+if s:lang == "qb"
+ syn keyword freebasicFunctions __CVA_ARG __CVA_COPY __CVA_END __CVA_LIST __CVA_START
+ syn keyword freebasicFunctions __VA_ARG __VA_FIRST __VA_NEXT
+else
+ syn keyword freebasicFunctions CVA_ARG CVA_COPY CVA_END CVA_LIST CVA_START
+ syn keyword freebasicFunctions VA_ARG VA_FIRST VA_NEXT
+ syn keyword freebasicFunctions ANY OVERLOAD
+endif
-syn keyword freebasicShell CHDIR DIR COMMAND ENVIRON EXEC EXEPATH KILL NAME MKDIR RMDIR RUN
+syn keyword freebasicFunctions FUNCTION SUB
+syn match freebasicFunctions "\<end\s\+function\>"
+syn match freebasicFunctions "\<end\s\+sub\>"
-syn keyword freebasicEnviron SHELL SYSTEM WINDOWTITLE POINTERS
+if s:lang == "fb"
+ syn keyword freebasicFunctions ABSTRACT OVERRIDE VIRTUAL __THISCALL
+ syn keyword freebasicFunctions CONSTRUCTOR DESTRUCTOR OPERATOR PROPERTY
+ syn match freebasicFunctions "\<end\s\+constructor\>"
+ syn match freebasicFunctions "\<end\s\+destructor\>"
+ syn match freebasicFunctions "\<end\s\+operator\>"
+ syn match freebasicFunctions "\<end\s\+property\>"
+else
+ syn keyword freebasicFunctions CALL
+endif
-syn keyword freebasicLoops FOR LOOP WHILE WEND DO CONTINUE STEP UNTIL next
+syn match freebasicGraphics "\<palette\s\+get\>"
+syn keyword freebasicGraphics ADD ALPHA BLOAD BSAVE CIRCLE CLS COLOR DRAW GET
+syn keyword freebasicGraphics LINE PAINT PALETTE PCOPY PMAP POINT
+syn keyword freebasicGraphics PRESET PSET PUT SCREEN
+syn keyword freebasicGraphics TRANS WINDOW
+if s:lang == "qb"
+ syn keyword freebasicGraphics __FLIP __IMAGECONVERTROW __IMAGECREATE __IMAGEDESTROY __IMAGEINFO __POINTCOORD
+ syn keyword freebasicGraphics __RGB __RGBA __SCREENCOPY __SCREENCONTROL __SCREENEVENT __SCREENGLPROC __SCREENINFO
+ syn keyword freebasicGraphics __SCREENLIST __SCREENLOCK __SCREENPTR __SCREENRES __SCREENSET __SCREENSYNC
+ syn keyword freebasicGraphics __SCREENUNLOCK __WINDOWTITLE
+else
+ syn keyword freebasicGraphics CUSTOM
+ syn keyword freebasicGraphics FLIP IMAGECONVERTROW IMAGECREATE IMAGEDESTROY IMAGEINFO POINTCOORD
+ syn keyword freebasicGraphics RGB RGBA SCREENCOPY SCREENCONTROL SCREENEVENT SCREENGLPROC SCREENINFO
+ syn keyword freebasicGraphics SCREENLIST SCREENLOCK SCREENPTR SCREENRES SCREENSET SCREENSYNC
+ syn keyword freebasicGraphics SCREENUNLOCK WINDOWTITLE
+endif
-syn match freebasicInclude "\<#\s*\(inclib\|include\)\>"
-syn match freebasicInclude "\<\$\s*include\>"
+if s:lang != "qb"
+ syn match freebasicHardware "\<open\s\+\%(com\|lpt\)\>"
+endif
+syn keyword freebasicHardware INP OUT WAIT LPOS LPRINT
-syn keyword freebasicPointer PROCPTR PTR SADD STRPTR VARPTR
+syn keyword freebasicMath ABS ATN COS EXP FIX FRAC INT LOG MOD RANDOMIZE RND SGN SIN SQR TAN
-syn keyword freebasicPredefined __DATE__ __FB_DOS__ __FB_LINUX__ __FB_MAIN__ __FB_MIN_VERSION__
-syn keyword freebasicPredefined __FB_SIGNATURE__ __FB_VERSION__ __FB_WIN32__ __FB_VER_MAJOR__
-syn keyword freebasicPredefined __FB_VER_MINOR__ __FB_VER_PATCH__ __FILE__ __FUNCTION__
-syn keyword freebasicPredefined __LINE__ __TIME__
+if s:lang == "qb"
+ syn keyword freebasicMath __ACOS __ASIN __ATAN2
+else
+ syn keyword freebasicMath ACOS ASIN ATAN2
+endif
-syn match freebasicPreProcessor "\<^#\s*\(define\|undef\)\>"
-syn match freebasicPreProcessor "\<^#\s*\(ifdef\|ifndef\|else\|elseif\|endif\|if\)\>"
-syn match freebasicPreProcessor "\<#\s*error\>"
-syn match freebasicPreProcessor "\<#\s*\(print\|dynamic\|static\)\>"
-syn keyword freebasicPreProcessor DEFINED ONCE
+if s:lang == "qb"
+ syn keyword freebasicMemory __ALLOCATE __CALLOCATE __DEALLOCATE __REALLOCATE
+else
+ syn keyword freebasicMemory ALLOCATE CALLOCATE DEALLOCATE REALLOCATE
+ syn keyword freebasicMemory PEEK POKE CLEAR FB_MEMCOPY FB_MEMCOPYCLEAR FB_MEMMOVE SWAP SADD
+ syn keyword freebasicMemory FIELD FRE
+endif
-syn keyword freebasicProgramFlow END EXIT GOSUB GOTO
-syn keyword freebasicProgramFlow IS RETURN SCOPE SLEEP
+syn keyword freebasicMisc LET TO
+if s:lang == "qb"
+ syn keyword freebasicMisc __OFFSETOF
+else
+ syn keyword freebasicMisc OFFSETOF
+endif
+
+syn keyword freebasicModularizing CHAIN COMMON
+if s:lang == "fb"
+ syn keyword freebasicModularizing EXTERN
+ syn match freebasicModularizing "\<end\s\+extern\>"
+ syn keyword freebasicModularizing PROTECTED
+endif
+if s:lang == "qb"
+ syn keyword freebasicModularizing __EXPORT __IMPORT __DYLIBFREE __DYLIBLOAD __DYLIBSYMBOL
+else
+ syn keyword freebasicModularizing EXPORT IMPORT DYLIBFREE DYLIBLOAD DYLIBSYMBOL
+ syn keyword freebasicModularizing PRIVATE PUBLIC
+ syn keyword freebasicModularizing NAMESPACE
+ syn match freebasicModularizing "\<end\s\+namespace\>"
+endif
+
+if s:lang != "qb"
+ syn keyword freebasicMultithreading MUTEXCREATE MUTEXDESTROY MUTEXLOCK MUTEXUNLOCK THREADCREATE THREADWAIT
+ syn keyword freebasicMultithreading CONDBROADCAST CONDCREATE CONDDESTROY CONDSIGNAL CONDWAIT
+ syn keyword freebasicMultithreading THREADCALL THREADDETACH THREADSELF
+endif
-syn keyword freebasicString INSTR LCASE LEFT LEN LSET LTRIM MID RIGHT RSET RTRIM
-syn keyword freebasicString SPACE STRING TRIM UCASE ASC BIN CHR CVD CVI CVL CVLONGINT
-syn keyword freebasicString CVS CVSHORT FORMAT HEX MKD MKI MKL MKLONGINT MKS MKSHORT
-syn keyword freebasicString OCT STR VAL VALLNG VALINT VALUINT VALULNG
+syn keyword freebasicShell CHDIR KILL NAME MKDIR RMDIR RUN SETENVIRON
+if s:lang == "qb"
+ syn keyword freebasicShell __CURDIR __DIR __EXEC __EXEPATH
+ syn match freebasicString "\<\%(command\|environ\)\$"
+else
+ " fbio.bi
+ syn keyword freebasicShell ISREDIRECTED
+ syn keyword freebasicShell CURDIR DIR EXEC EXEPATH
+ syn match freebasicString "\<\%(command\|environ\)\>\$\="
+endif
-syn keyword freebasicTypeCasting CAST CBYTE CDBL CINT CLNG CLNGINT CPTR CSHORT CSIGN CSNG
-syn keyword freebasicTypeCasting CUBYTE CUINT CULNGINT CUNSG CURDIR CUSHORT
+syn keyword freebasicEnviron SHELL SYSTEM
-syn match freebasicUserInput "\<line\s+input\>"
-syn keyword freebasicUserInput GETJOYSTICK GETKEY GETMOUSE INKEY INPUT MULTIKEY SETMOUSE
+syn keyword freebasicLoops FOR LOOP WHILE WEND DO STEP UNTIL NEXT
+if s:lang == "qb"
+ syn keyword freebasicLoops __CONTINUE
+else
+ syn keyword freebasicLoops CONTINUE
+endif
"
-" Do the Basic variables names first. This is because it
-" is the most inclusive of the tests. Later on we change
-" this so the identifiers are split up into the various
-" types of identifiers like functions, basic commands and
-" such. MEM 9/9/2006
+" File numbers
"
-syn match freebasicIdentifier "\<[a-zA-Z_][a-zA-Z0-9_]*\>"
-syn match freebasicGenericFunction "\<[a-zA-Z_][a-zA-Z0-9_]*\>\s*("me=e-1,he=e-1
+syn match freebasicFilenumber "#\d\+"
+syn match freebasicFilenumber "#\a[[:alpha:].]*[%&!#]\="
+
+syn match freebasicMetacommand "$\s*\%(dynamic\|static\)"
+syn match freebasicMetacommand "$\s*include\s*\%(once\)\=\s*:\s*'[^']\+'"
+syn match freebasicMetacommand '$\s*include\s*\%(once\)\=\s*:\s*"[^"]\+"'
+syn match freebasicMetacommand '$\s*lang\s*:\s*"[^"]\+"'
+"
+" Intrinsic defines
+"
+syn keyword freebasicPredefined __DATE__ __DATE_ISO__
+syn keyword freebasicPredefined __FB_64BIT__ __FB_ARGC__ __FB_ARG_COUNT__ __FB_ARG_EXTRACT__ __FB_ARG_LEFTOF__
+syn keyword freebasicPredefined __FB_ARG_RIGHTOF__ __FB_ARGV__ __FB_ARM__ __FB_ASM__ __FB_BACKEND__
+syn keyword freebasicPredefined __FB_BIGENDIAN__ __FB_BUILD_DATE__ __FB_BUILD_DATE_ISO__ __FB_BUILD_SHA1__
+syn keyword freebasicPredefined __FB_CYGWIN__ __FB_DARWIN__ __FB_DEBUG__ __FB_DOS__ __FB_ERR__ __FB_EVAL__
+syn keyword freebasicPredefined __FB_FPMODE__ __FB_FPU__ __FB_FREEBSD__ __FB_GCC__ __FB_GUI__ __FB_JOIN__
+syn keyword freebasicPredefined __FB_LANG__ __FB_LINUX__ __FB_MAIN__ __FB_MIN_VERSION__ __FB_MT__ __FB_NETBSD__
+syn keyword freebasicPredefined __FB_OPENBSD__ __FB_OPTIMIZE__ __FB_OPTION_BYVAL__ __FB_OPTION_DYNAMIC__
+syn keyword freebasicPredefined __FB_OPTION_ESCAPE__ __FB_OPTION_EXPLICIT__ __FB_OPTION_GOSUB__
+syn keyword freebasicPredefined __FB_OPTION_PRIVATE__ __FB_OUT_DLL__ __FB_OUT_EXE__ __FB_OUT_LIB__ __FB_OUT_OBJ__
+syn keyword freebasicPredefined __FB_PCOS__ __FB_PPC__ __FB_QUOTE__ __FB_SIGNATURE__ __FB_SSE__ __FB_UNIQUEID__
+syn keyword freebasicPredefined __FB_UNIQUEID_POP__ __FB_UNIQUEID_PUSH__ __FB_UNIX__ __FB_UNQUOTE__
+syn keyword freebasicPredefined __FB_VECTORIZE__ __FB_VER_MAJOR__ __FB_VER_MINOR__ __FB_VER_PATCH__ __FB_VERSION__
+syn keyword freebasicPredefined __FB_WIN32__ __FB_X86__ __FB_XBOX__
+syn keyword freebasicPredefined __FILE__ __FILE_NQ__ __FUNCTION__ __FUNCTION_NQ__
+syn keyword freebasicPredefined __LINE__ __PATH__ __TIME__
+"
+" Preprocessor directives
+"
+syn match freebasicInclude "#\s*\%(inclib\|include\%(\s\+once\)\=\|libpath\)\>"
+
+syn match freebasicPreProcessor "#\s*assert\>"
+syn match freebasicPreProcessor "#\s*cmdline\>"
+syn match freebasicPreProcessor "#\s*\%(define\|undef\)\>"
+syn match freebasicPreProcessor "#\s*\%(if\|ifdef\|ifndef\|else\|elseif\|endif\)\>"
+syn match freebasicPreProcessor "#\s*\%(macro\|endmacro\)\>"
+syn match freebasicPreProcessor "#\s*error\>"
+syn match freebasicPreProcessor "#\s*lang\>"
+syn match freebasicPreProcessor "#\s*line\>"
+syn match freebasicPreProcessor "#\s*pragma\%(\s\+reserve\)\=\>"
+syn match freebasicPreProcessor "#\s*\%(print\|dynamic\|static\)\>"
+syn keyword freebasicPreProcessor DEFINED
+
+syn keyword freebasicString LEN
+syn keyword freebasicString ASC
+" string.bi
+syn keyword freebasicString FORMAT
+syn keyword freebasicString VAL
+syn keyword freebasicString CVD CVI CVL CVS
+syn keyword freebasicString INSTR
+syn keyword freebasicString LSET RSET
+
+if s:lang == "qb"
+ syn match freebasicString "\<string\$\ze\s*("
+ syn match freebasicString "\<__wstring\ze\s*("
+ syn match freebasicString "\<space\$"
+ syn keyword freebasicString __WSPACE
+ syn match freebasicString "\<chr\$"
+ syn keyword freebasicString __WCHR
+ syn keyword freebasicString __WBIN __WHEX __WOCT __WSTR
+ syn match freebasicString "\<\%(bin\|hex\|oct\|str\)\$"
+ syn keyword freebasicString __VALLNG __VALINT __VALUINT __VALULNG
+ syn match freebasicString "\<\%(mkd\|mki\|mkl\|mks\)\$"
+ syn keyword freebasicString __MKLONGINT __MKSHORT
+ syn keyword freebasicString __CVLONGINT __CVSHORT
+ syn match freebasicString "\<\%(left\|mid\|right\|lcase\|ucase\|ltrim\|rtrim\)\$"
+ syn keyword freebasicString __TRIM
+ syn keyword freebasicString __INSTRREV
+else
+ syn match freebasicString "\<string\$\=\ze\s*("
+ syn match freebasicString "\<wstring\ze\s*("
+ syn match freebasicString "\<space\>\$\="
+ syn keyword freebasicString WSPACE
+ syn match freebasicString "\<chr\>\$\="
+ syn keyword freebasicString WCHR
+ syn keyword freebasicString WBIN WHEX WOCT WSTR
+ syn match freebasicString "\<\%(bin\|hex\|oct\|str\)\>\$\="
+ syn keyword freebasicString VALLNG VALINT VALUINT VALULNG
+ syn match freebasicString "\<\%(mkd\|mki\|mkl\|mks\)\>\$\="
+ syn match freebasicString "\<\%(mklongint\|mkshort\)\>\$\="
+ syn keyword freebasicString CVLONGINT CVSHORT
+ syn match freebasicString "\<\%(left\|mid\|right\|lcase\|ucase\|ltrim\|rtrim\)\>\$\="
+ syn match freebasicString "\<trim\>\$\="
+ syn keyword freebasicString INSTRREV
+endif
+
+syn keyword freebasicTypeCasting CDBL CINT CLNG CSNG
+if s:lang == "qb"
+ syn keyword freebasicTypeCasting __CAST __CBOOL __CBYTE __CLNGINT __CPTR __CSHORT __CSIGN __CYBTE __CUINT __CULNG
+ syn keyword freebasicTypeCasting __CULNGINT __CUNSG __CUSHORT
+else
+ syn keyword freebasicTypeCasting CAST CBOOL CBYTE CLNGINT CPTR CSHORT CSIGN CUBYTE CUINT CULNG CULNGINT CUNSG CUSHORT
+endif
+
+syn match freebasicUserInput "\<line\s\+input\>"
+syn keyword freebasicUserInput INKEY INPUT
+if s:lang == "qb"
+ syn keyword freebasicUserInput __GETJOYSTICK __GETKEY __GETMOUSE __MULTIKEY __SETMOUSE STICK STRIG
+else
+ syn keyword freebasicUserInput GETJOYSTICK GETKEY GETMOUSE MULTIKEY SETMOUSE
+endif
"
-" Function list
+" Operators
"
-syn keyword freebasicTodo contained TODO
+" TODO: make these context sensitive to remove the overlap of common operators
+" : alpha operators should probably always be highlighted
+" -- DJK 20/11/19
+if s:lang == "qb"
+ syn match freebasicArithmeticOperator "\<\%(MOD\|__SHL\|__SHR\)\>"
+else
+ syn match freebasicArithmeticOperator "\<\%(MOD\|SHL\|SHR\)\>"
+endif
+syn match freebasicBitwiseOperator "\<\%(AND\|EQV\|IMP\|NOT\|OR\|XOR\)\>" " freebaseLogical?
+if s:lang == "qb"
+ syn match freebasicAssignmentOperator "\<\%(MOD\|AND\|EQV\|IMP\|OR\|XOR\|__SHL\|__SHR\)=\@=" " exclude trailing '='
+else
+ syn match freebasicAssignmentOperator "\<\%(MOD\|AND\|EQV\|IMP\|OR\|XOR\|SHL\|SHR\)=\@="
+endif
+syn match freebasicShortcircuitOperator "\<\%(ANDALSO\|ORELSE\)\>"
+if s:lang == "fb"
+ syn match freebasicMemoryOperator '\<\%(new\|delete\)\>'
+endif
+syn keyword freebasicPointerOperator STRPTR VARPTR
+if s:lang == "qb"
+ syn keyword freebasicPointerOperator __PROCPTR
+else
+ syn keyword freebasicPointerOperator PROCPTR
+endif
+syn match freebasicTypeOperator '\<is\>'
+syn match freebasicTypeOperator '\.' nextgroup=freebasicIdentifier skipwhite
+if s:lang == "fb"
+ syn match freebasicTypeOperator '->' nextgroup=freebasicIdentifier skipwhite
+endif
+
+if exists("freebasic_operators")
+ syn match freebasicAssignmentOperator "=>\=\|[-+&/\\*^]="
+ if s:lang == "qb"
+ syn match freebasicAssignmentOperator "\<\%(MOD\|AND\|EQV\|IMP\|OR\|XOR\|__SHL\|__SHR\)=" " include trailing '='
+ else
+ syn match freebasicAssignmentOperator "\<\%(MOD\|AND\|EQV\|IMP\|OR\|XOR\|SHL\|SHR\)="
+ endif
+ syn match freebasicArithmeticOperator "[-+&/\\*^]"
+ " syn match freebasicIndexingOperator "[[\]()]" " FIXME
+ syn match freebasicRelationalOperator "=\|<>\|<=\|<\|>=\|>"
+ syn match freebasicPreprocessorOperator '\%(^\s*\)\@<!\%(##\|#\)\|[$!]"\@='
+ syn match freebasicPointerOperator '[@*]'
+ syn match freebasicTypeOperator '\.' nextgroup=freebasicIdentifier skipwhite
+ if s:lang == "fb"
+ syn match freebasicTypeOperator '->' nextgroup=freebasicIdentifier skipwhite
+ endif
+endif
+
+syn cluster freebasicOperator contains=freebasic.*Operator
"
" Catch errors caused by wrong parenthesis
"
-syn region freebasicParen transparent start='(' end=')' contains=ALLBUT,@freebasicParenGroup
-syn match freebasicParenError ")"
-syn match freebasicInParen contained "[{}]"
-syn cluster freebasicParenGroup contains=freebasicParenError,freebasicSpecial,freebasicTodo,freebasicUserCont,freebasicUserLabel,freebasicBitField
+" syn region freebasicParen transparent start='(' end=')' contains=ALLBUT,@freebasicParenGroup
+" syn match freebasicParenError ")"
+" syn match freebasicInParen contained "[{}]"
+" syn cluster freebasicParenGroup contains=freebasicParenError,freebasicSpecial,freebasicTodo,freebasicUserCont,freebasicUserLabel,freebasicBitField
"
-" Integer number, or floating point number without a dot and with "f".
+" Integer number
"
-syn region freebasicHex start="&h" end="\W"
-syn region freebasicHexError start="&h\x*[g-zG-Z]" end="\W"
-syn region freebasicOctal start="&o" end="\W"
-syn region freebasicOctalError start="&o[0-7]*[89a-zA-Z]" end="\W"
-syn region freebasicBinary start="&b" end="\W"
-syn region freebasicBinaryError start="&b[01]*[2-9a-zA-Z]" end="\W"
-syn match freebasicInteger "\<\d\+\(u\=l\=\|lu\|f\)\>"
+syn match freebasicHexError "&h\w*\>"
+syn match freebasicOctalError "&o\w*\>"
+syn match freebasicBinaryError "&b\w*\>"
+syn match freebasicHex "&h\x\+\%([%L&U]\|UL\|LL\|ULL\)\=\>"
+syn match freebasicOctal "&o\o\+\%([%L&U]\|UL\|LL\|ULL\)\=\>"
+syn match freebasicBinary "&b[10]\+\%([%L&U]\|UL\|LL\|ULL\)\=\>"
+syn match freebasicInteger "\<\d\+\%([%L&U]\|UL\|LL\|ULL\)\=\>"
"
-" Floating point number, with dot, optional exponent
+" Floating point
+" See: https://www.freebasic.net/forum/viewtopic.php?t=20323
"
-syn match freebasicFloat "\<\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\=\>"
+" Floating point number, with dot, optional exponent, optional suffix
"
-" Floating point number, starting with a dot, optional exponent
+syn match freebasicFloat "\<\d\+\.\d*\%([de][-+]\=\d*\)\=[f!#]\="
"
-syn match freebasicFloat "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>"
+" Floating point number, starting with a dot, optional exponent, optional suffix
"
-" Floating point number, without dot, with exponent
+syn match freebasicFloat "\.\d\+\%([de][-+]\=\d*\)\=[f!#]\="
"
-syn match freebasicFloat "\<\d\+e[-+]\=\d\+[fl]\=\>"
+" Floating point number, without dot, with optional exponent, optional suffix
"
-" Octal number
+syn match freebasicFloat "\<\d\+\%([de][-+]\=\d*\)[f!#]\="
"
-syn case match
-syn match freebasicOctal2 "\<0\o*\>"
-syn match freebasicOctal2Error "\<0\o*[89a-zA-Z]"
+" Floating point number, without dot, without exponent, with suffix
"
-" String and Character contstants
+syn match freebasicFloat "\<\d\+[f!#]"
"
-syn region freebasicString start='"' end='"' contains=freebasicSpecial,freebasicTodo
-syn region freebasicString start="'" end="'" contains=freebasicSpecial,freebasicTodo
+" Create the clusters
"
-" Comments
+syn cluster freebasicNumber contains=freebasicHex,freebasicOctal,freebasicBinary,freebasicInteger,freebasicFloat
+syn cluster freebasicNumberError contains=freebasicHexError,freebasicOctalError,freebasicBinaryError
"
-syn match freebasicSpecial contained "\\\\."
-syn region freebasicComment start="^rem" end="$" contains=freebasicSpecial,freebasicTodo
-syn region freebasicComment start=":\s*rem" end="$" contains=freebasicSpecial,freebasicTodo
-syn region freebasicComment start="\s*'" end="$" contains=freebasicSpecial,freebasicTodo
-syn region freebasicComment start="^'" end="$" contains=freebasicSpecial,freebasicTodo
+" Booleans
"
-" Now do the comments and labels
+if s:lang != "qb"
+ syn keyword freebasicBoolean TRUE FALSE
+endif
"
-syn match freebasicLabel "^\d"
-syn match freebasicLabel "\<^\w+:\>"
-syn region freebasicLineNumber start="^\d" end="\s"
"
-" Create the clusters
+" String and escape sequences
"
-syn cluster freebasicNumber contains=freebasicHex,freebasicOctal,freebasicOctal2,freebasicBinary,freebasicInteger,freebasicFloat
-syn cluster freebasicError contains=freebasicHexError,freebasicOctalError,freebasicOctal2,freebasicBinary
+syn match freebasicSpecial contained "\\."
+syn match freebasicSpecial contained "\\\d\{1,3}"
+syn match freebasicSpecial contained "\\&h\x\{1,2}"
+syn match freebasicSpecial contained "\\&o\o\{1,3}"
+syn match freebasicSpecial contained "\\&b[01]\{1,8}"
+syn match freebasicSpecial contained "\\u\x\{1,4}"
+syn region freebasicString start='"' end='"' " TODO: Toggle contains on Option Escape in fblite and qb? -- DJK 20/11/19
+syn region freebasicString start='!\zs"' end='"' contains=freebasicSpecial
+syn region freebasicString start='$\zs"' end='"'
"
-" Used with OPEN statement
+" Line labels
"
-syn match freebasicFilenumber "#\d\+"
-syn match freebasicMathOperator "[\+\-\=\|\*\/\>\<\%\()[\]]" contains=freebasicParen
+if s:lang =~# '\<\%(qb\|fblite\)\>'
+ syn match freebasicLineLabel "^\s*\zs\h\%(\w\|\.\)*\ze\s*:"
+else
+ syn match freebasicLineLabel "^\s*\zs\h\w*\ze\s*:"
+endif
+syn match freebasicLineNumber "^\s*\zs\d\+"
+"
+" Line continuations
+"
+" syn match freebasicLineContinuation "\<_\>" nextgroup=freebasicComment,freebasicPostLineContinuation skipwhite
+syn keyword freebasicLineContinuation _ nextgroup=freebasicComment,freebasicPostLineContinuation skipwhite
+syn match freebasicPostLineContinuation ".*" contained
+"
+"
+" Type suffixes
+if exists("freebasic_type_suffixes") && s:lang =~# '\<\%(qb\|fblite\)\>'
+ syn match freebasicTypeSuffix "\h\%(\w\|.\)*\zs[$%&!#]"
+endif
+"
+" Comments
+"
+syn keyword freebasicTodo TODO FIXME XXX NOTE contained
+syn region freebasicComment start="\<rem\>" end="$" contains=freebasicTodo,@Spell,freebasicMetacommand
+syn region freebasicComment start="'" end="$" contains=freebasicTodo,@Spell,freebasicMetacommand
+syn region freebasicDoubleComment start="''" end="$" contains=freebasicTodo,@Spell
+
+if !exists("freebasic_no_comment_fold")
+ syn region freebasicMultilineComment start="/'" end="'/" contains=freebasicTodo,@Spell,freeBasicMultilineComment fold keepend extend
+ syn region freebasicMultilineComment2 start="^\s*'.*\n\%(\s*'\)\@=" end="^\s*'.*\n\%(\s*'\)\@!" contains=freebasicComment,freebasicDoubleComment keepend fold
+else
+ syn region freebasicMultilineComment start="/'" end="'/" contains=freebasicTodo,@Spell,freeBasicMultilineComment
+endif
+
+syn case match
+
+syn sync linebreaks=1
+
"
" The default methods for highlighting. Can be overridden later
"
hi def link freebasicArrays StorageClass
+hi def link freebasicAsm Special
hi def link freebasicBitManipulation Operator
-hi def link freebasicCompilerSwitches PreCondit
+hi def link freebasicBoolean Boolean
+if s:lang == "fb"
+ hi def link freebasicCompilerSwitches freebasicUnsupportedError
+else
+ hi def link freebasicCompilerSwitches PreCondit
+endif
hi def link freebasicConsole Special
+hi def link freebasicData Special
hi def link freebasicDataTypes Type
hi def link freebasicDateTime Type
hi def link freebasicDebug Special
hi def link freebasicErrorHandling Special
+hi def link freebasicFilenumber Special
hi def link freebasicFiles Special
hi def link freebasicFunctions Function
hi def link freebasicGraphics Function
hi def link freebasicHardware Special
-hi def link freebasicLogical Conditional
+hi def link freebasicLoops Repeat
hi def link freebasicMath Function
+if s:lang == "fb"
+ hi def link freebasicMetacommand freebasicUnsupportedError
+else
+ hi def link freebasicMetacommand SpecialComment
+endif
hi def link freebasicMemory Function
hi def link freebasicMisc Special
hi def link freebasicModularizing Special
hi def link freebasicTypeCasting Type
hi def link freebasicUserInput Statement
hi def link freebasicComment Comment
+hi def link freebasicDoubleComment Comment
+hi def link freebasicMultilineComment Comment
hi def link freebasicConditional Conditional
hi def link freebasicError Error
hi def link freebasicIdentifier Identifier
hi def link freebasicInclude Include
hi def link freebasicGenericFunction Function
-hi def link freebasicLabel Label
-hi def link freebasicLineNumber Label
+hi def link freebasicLineContinuation Special
+hi def link freebasicLineLabel LineNr
+if s:lang == "fb"
+ hi def link freebasicLineNumber freebasicUnsupportedError
+else
+ hi def link freebasicLineNumber LineNr
+endif
hi def link freebasicMathOperator Operator
-hi def link freebasicNumber Number
+
+hi def link freebasicHex Number
+hi def link freebasicOctal Number
+hi def link freebasicBinary Number
+hi def link freebasicInteger Number
+hi def link freebasicFloat Float
+
+hi def link freebasicHexError Error
+hi def link freebasicOctalError Error
+hi def link freebasicBinaryError Error
+
+hi def link freebasicAssignmentOperator Operator
+hi def link freebasicArithmeticOperator Operator
+hi def link freebasicIndexingOperator Operator
+hi def link freebasicRelationalOperator Operator
+hi def link freebasicBitwiseOperator Operator
+hi def link freebasicShortcircuitOperator Operator
+hi def link freebasicPreprocessorOperator Operator
+hi def link freebasicPointerOperator Operator
+if exists("freebasic_operators")
+ hi def link freebasicTypeOperator Operator
+endif
+hi def link freebasicMemoryOperator Operator
+
+hi def link freebasicSpaceError Error
+
hi def link freebasicSpecial Special
hi def link freebasicTodo Todo
+hi def link freebasicUnsupported freebasicUnsupportedError
+hi def link freebasicUnsupportedError Error
+
+unlet s:lang
+
let b:current_syntax = "freebasic"
-" vim: ts=8
+" vim: ts=8 tw=132 fdm=marker