TempleOSCDV4.01.ISO
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Terry A. Davis authored and minexew committed
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@@ -1,92 +1,13 @@
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$WW,1$$FG,5$$TX+CX,"Compiler Directives"$$FG$
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$WW,1$$FG,5$$TX+CX,"Compiler Index"$$FG$
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The compiler looks-ahead a token most of the time, so you might throw an extra semicolon after the directive if it's not taking affect right away.
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$LK,"::/Doc/Asm.TXT"$
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$FG,2$#include ""$FG$ There is no angle bracket <> form of this directive.
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$FG,2$#exe {}$FG$ Will execute code at compile-time and can be used to insert code into the stream being compiled using $LK,"StreamPrint",A="MN:StreamPrint"$().
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$FG,2$#define$FG$ Define string const
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$FG,2$#assert$FG$ Print a warning during compilation if an expression is not true.
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$FG,2$#if$FG$ Include code if an expresion is true.
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$FG,2$#else
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#endif
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#ifdef,#ifndef $FG$Include code if a sym is defined.
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$FG,2$#ifaot,#ifjit $FG$Include code if in $FG,2$AOT$FG$ compiler mode.
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$FG,2$defined()$FG$ Is a function that can be used in expressions.
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$FG,2$#help_index$FG$, $FG,2$#help_file$FG$ See $LK,"Help System",A="FI:::/Doc/HelpSystem.TXT"$.
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$HL,1$$WW,0$
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#define __DATE__ #exe{StreamPrint("\"%D\"",Now);}
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#define __TIME__ #exe{StreamPrint("\"%T\"",Now);}
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#define __LINE__ #exe{StreamPrint("%d",Fs->last_lex->lex_include_stk->line_num);}
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#define __DEPTH__ #exe{StreamPrint("%d",Fs->last_lex->lex_include_stk->depth);}
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#define __FILE__ #exe{StreamPrint("\"%s\"",Fs->last_lex->lex_include_stk->full_name);}
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#define __DIR__ #exe{StreamDir;}
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$HL,0$$WW,1$
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See $LK,"::/Demo/Directives.CPP"$, $LK,"Scoping and Linkages",A="FI:::/Doc/ImportExports.TXT"$, and $LK,"preprocessor",A="FF:::/Compiler/Lex.CPP,KW_DEFINE"$.
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$LK,"::/Doc/Directives.TXT"$
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$LK,"::/Doc/Options.TXT"$
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$FG,5$$TX+CX,"Compiler Options"$$FG$
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$LK,"::/Doc/PreProcessor.TXT"$
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Use $LK,"Option",A="MN:Option"$(). You might need to do $FG,2$#exe {Option();}$FG$.
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$LK,"::/Doc/ScopingLinkage.TXT"$
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$LK,"OPTf_GLBLS_ON_DATA_HEAP",A="MN:OPTf_GLBLS_ON_DATA_HEAP"$ without this option, global vars are placed in the code heap which is limited to 2 Gig. In $FG,2$AOT$FG$ modules, global vars take-up room in the $FG,2$.BIN$FG$ file, so you might want to use this option, instead. You might wish to turn it on and off around specific vars. A disadvantage of data heap global vars in $FG,2$AOT$FG$ modules is they can't be initialized.
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$LK,"OPTf_EXTERNS_TO_IMPORTS",A="MN:OPTf_EXTERNS_TO_IMPORTS"$ and $LK,"OPTf_KEEP_PRIVATE",A="MN:OPTf_KEEP_PRIVATE"$ are strange options, you'll never need. They're to allow the same header file for $FG,2$Kernel$FG$ to act as $FG,2$extern$FG$s when compiling itself and $FG,2$import$FG$s when compiled by $FG,2$AOT$FG$ modules.
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$LK,"OPTf_WARN_UNUSED_VAR",A="MN:OPTf_WARN_UNUSED_VAR"$ warning if unused var. It is applied to functions.
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$LK,"OPTf_WARN_PAREN",A="MN:OPTf_WARN_PAREN"$ warning if parenthesis are not needed.
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$LK,"OPTf_WARN_DUP_TYPES",A="MN:OPTf_WARN_DUP_TYPES"$ warning if dup local var type statements.
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$LK,"OPTf_NO_REG_VAR",A="MN:OPTf_NO_REG_VAR"$ forces all function local vars to the stk not regs. Applied to functions.
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$LK,"OPTf_NO_BUILTIN_CONST",A="MN:OPTf_NO_BUILTIN_CONST"$ Disable 10-byte float consts for ã, log2_10, log10_2, loge_2. Applied to functions.
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$FG,5$$TX+CX,"Assembler Directives"$$FG$
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See $LK,"::/Compiler/OpCodes.TXT"$ for opcodes. They're not standard. Some invalid instructions are not flagged and some valid instructions are not implemented. 16-bit asm support is limited.
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Here are example instruction formats:
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$HL,1$ ADD RAX,I64 FS:DISP[RSI+RDI*8]
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$HL,0$$HL,1$ ADD RAX,I64 [DISP]
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$HL,0$
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$FG,2$$$$FG$ Current compiler output pos (instruction ptr). Even works in HolyC expressions.
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$FG,2$$$$FG$ works in $FG,2$class$FG$es.
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$FG,2$class MyFun
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{
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$$=-16;
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I64 local1;
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I64 local2;
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$$=$$+256;
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I64 crazy;
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};$FG$
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$FG,4$LABEL$FG,2$::
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$FG$ Defines an exported glbl label.
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$FG,4$LABEL$FG,2$:
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$FG$ Defines an non-exported glbl label.
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$FG,2$@@$FG,4$LABEL$FG,2$:
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$FG$ Defines a local label with scope valid between two global labels.
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$FG,2$DU8$FG$, $FG,2$DU16$FG$, $FG,2$DU32$FG$, $FG,2$DU64$FG$
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Define BYTE, WORD, DWORD or QWORD. Can be used with $FG,2$DUP()$FG$ and ASCII strings. For your convenience, the ASCII strings do not have terminating zeros. Define cmds must end with a semicolon.
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$FG,2$USE16$FG$, $FG,2$USE32$FG$, $FG,2$USE64$FG$
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$FG,2$IMPORT$FG$ $FG,4$sym1name$FG$, $FG,4$sym2name$FG$;
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$FG,2$LIST$FG$, $FG,2$NOLIST$FG$
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$FG,2$ALIGN$FG$ $FG,4$num$FG$, $FG,4$fill_byte$FG$
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Align to $FG,4$num$FG$ boundary and fill with $FG,4$fill_byte$FG$.
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$FG,2$MODULE_ORG$FG$ $FG,4$num$FG$
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Set code addr for JIT or set module $LK,"Load",A="MN:Load"$() addr -- has 16-byte $LK,"CBinFile",A="MN:CBinFile"$ header and patch table trailing.
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$FG,2$BINFILE$FG,4$ "FileName.BIN"$FG$;
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See $LK,"::/Demo/Asm/AsmAndC1.CPP"$, $LK,"::/Demo/Asm/AsmAndC2.CPP"$ and $LK,"::/Demo/Asm/AsmAndC3.CPP"$.
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See $LK,"Hello World",A="FI:::/Doc/HelloWorld.TXT"$.
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