ref: ccbfa16d7fe7e6c80cd22ce249a824de7032e95c
dir: /src/asm/globlex.c/
#include "asm/asm.h" #include "asm/symbol.h" #include "asm/rpn.h" #include "asm/symbol.h" #include "asm/main.h" #include "asm/lexer.h" #include "asmy.h" #include <stdio.h> #include <stdlib.h> #include <math.h> #include <string.h> UBYTE oDontExpandStrings = 0; SLONG nGBGfxID = -1; SLONG nBinaryID = -1; SLONG gbgfx2bin(char ch) { SLONG i; for (i = 0; i <= 3; i += 1) { if (CurrentOptions.gbgfx[i] == ch) { return (i); } } return (0); } SLONG binary2bin(char ch) { SLONG i; for (i = 0; i <= 1; i += 1) { if (CurrentOptions.binary[i] == ch) { return (i); } } return (0); } SLONG char2bin(char ch) { if (ch >= 'a' && ch <= 'f') return (ch - 'a' + 10); if (ch >= 'A' && ch <= 'F') return (ch - 'A' + 10); if (ch >= '0' && ch <= '9') return (ch - '0'); return (0); } typedef SLONG(*x2bin) (char ch); SLONG ascii2bin(char *s) { SLONG radix = 10; SLONG result = 0; x2bin convertfunc = char2bin; switch (*s) { case '$': radix = 16; s += 1; convertfunc = char2bin; break; case '&': radix = 8; s += 1; convertfunc = char2bin; break; case '`': radix = 4; s += 1; convertfunc = gbgfx2bin; break; case '%': radix = 2; s += 1; convertfunc = binary2bin; break; } if (radix == 4) { SLONG c; while (*s != '\0') { c = convertfunc(*s++); result = result * 2 + ((c & 1) << 8) + ((c & 2) >> 1); } } else { while (*s != '\0') result = result * radix + convertfunc(*s++); } return (result); } ULONG ParseFixedPoint(char *s, ULONG size) { char dest[256]; ULONG i = 0, dot = 0; while (size && dot != 2) { if (s[i] == '.') dot += 1; if (dot < 2) { dest[i] = s[i]; size -= 1; i += 1; } } dest[i] = 0; yyunputbytes(size); yylval.nConstValue = (SLONG) (atof(s) * 65536); return (1); } ULONG ParseNumber(char *s, ULONG size) { char dest[256]; strncpy(dest, s, size); dest[size] = 0; yylval.nConstValue = ascii2bin(dest); return (1); } ULONG ParseSymbol(char *src, ULONG size) { char dest[MAXSYMLEN + 1]; int copied = 0, size_backup = size; while (size && copied < MAXSYMLEN) { if (*src == '\\') { char *marg; src += 1; size -= 1; if (*src == '@') marg = sym_FindMacroArg(-1); else if (*src >= '0' && *src <= '9') marg = sym_FindMacroArg(*src); else { fatalerror("Malformed ID"); return (0); } src += 1; size -= 1; if (marg) { while (*marg) dest[copied++] = *marg++; } } else { dest[copied++] = *src++; size -= 1; } } if (copied > MAXSYMLEN) fatalerror("Symbol too long"); dest[copied] = 0; if (oDontExpandStrings == 0 && sym_isString(dest)) { char *s; yyskipbytes(size_backup); yyunputstr(s = sym_GetStringValue(dest)); while (*s) { if (*s++ == '\n') { nLineNo -= 1; } } return (0); } else { strcpy(yylval.tzString, dest); return (1); } } ULONG PutMacroArg(char *src, ULONG size) { char *s; yyskipbytes(size); if ((s = sym_FindMacroArg(src[1] - '0')) != NULL) { yyunputstr(s); } else { yyerror("Macro argument not defined"); } return (0); } ULONG PutUniqueArg(char *src, ULONG size) { src = src; yyskipbytes(size); yyunputstr(sym_FindMacroArg(-1)); return (0); } enum { T_LEX_MACROARG = 3000, T_LEX_MACROUNIQUE }; extern struct sLexInitString localstrings[]; struct sLexInitString staticstrings[] = { {"||", T_OP_LOGICOR}, {"&&", T_OP_LOGICAND}, {"==", T_OP_LOGICEQU}, {">", T_OP_LOGICGT}, {"<", T_OP_LOGICLT}, {">=", T_OP_LOGICGE}, {"<=", T_OP_LOGICLE}, {"!=", T_OP_LOGICNE}, {"!", T_OP_LOGICNOT}, {"|", T_OP_OR}, {"^", T_OP_XOR}, {"&", T_OP_AND}, {"<<", T_OP_SHL}, {">>", T_OP_SHR}, {"+", T_OP_ADD}, {"-", T_OP_SUB}, {"*", T_OP_MUL}, {"/", T_OP_DIV}, {"%", T_OP_MOD}, {"~", T_OP_NOT}, {"def", T_OP_DEF}, {"bank", T_OP_BANK}, {"div", T_OP_FDIV}, {"mul", T_OP_FMUL}, {"sin", T_OP_SIN}, {"cos", T_OP_COS}, {"tan", T_OP_TAN}, {"asin", T_OP_ASIN}, {"acos", T_OP_ACOS}, {"atan", T_OP_ATAN}, {"atan2", T_OP_ATAN2}, {"strcmp", T_OP_STRCMP}, {"strin", T_OP_STRIN}, {"strsub", T_OP_STRSUB}, {"strlen", T_OP_STRLEN}, {"strcat", T_OP_STRCAT}, {"strupr", T_OP_STRUPR}, {"strlwr", T_OP_STRLWR}, {"include", T_POP_INCLUDE}, {"printt", T_POP_PRINTT}, {"printv", T_POP_PRINTV}, {"printf", T_POP_PRINTF}, {"export", T_POP_EXPORT}, {"xdef", T_POP_EXPORT}, {"import", T_POP_IMPORT}, {"xref", T_POP_IMPORT}, {"global", T_POP_GLOBAL}, {"ds", T_POP_DS}, {NAME_DB, T_POP_DB}, {NAME_DW, T_POP_DW}, #ifdef NAME_DL {NAME_DL, T_POP_DL}, #endif {"section", T_POP_SECTION}, {"purge", T_POP_PURGE}, {"rsreset", T_POP_RSRESET}, {"rsset", T_POP_RSSET}, {"incbin", T_POP_INCBIN}, {"fail", T_POP_FAIL}, {"warn", T_POP_WARN}, {"macro", T_POP_MACRO}, /* Not needed but we have it here just to protect the name */ {"endm", T_POP_ENDM}, {"shift", T_POP_SHIFT}, {"rept", T_POP_REPT}, /* Not needed but we have it here just to protect the name */ {"endr", T_POP_ENDR}, {"if", T_POP_IF}, {"else", T_POP_ELSE}, {"endc", T_POP_ENDC}, {"bss", T_SECT_BSS}, {"vram", T_SECT_VRAM}, {"code", T_SECT_CODE}, {"data", T_SECT_CODE}, {"home", T_SECT_HOME}, {"hram", T_SECT_HRAM}, {NAME_RB, T_POP_RB}, {NAME_RW, T_POP_RW}, #ifdef NAME_RL {NAME_RL, T_POP_RL}, #endif {"equ", T_POP_EQU}, {"equs", T_POP_EQUS}, {"set", T_POP_SET}, {"=", T_POP_SET}, {"pushs", T_POP_PUSHS}, {"pops", T_POP_POPS}, {"pusho", T_POP_PUSHO}, {"popo", T_POP_POPO}, {"opt", T_POP_OPT}, {NULL, 0} }; struct sLexFloat tNumberToken = { ParseNumber, T_NUMBER }; struct sLexFloat tFixedPointToken = { ParseFixedPoint, T_NUMBER }; struct sLexFloat tIDToken = { ParseSymbol, T_ID }; struct sLexFloat tMacroArgToken = { PutMacroArg, T_LEX_MACROARG }; struct sLexFloat tMacroUniqueToken = { PutUniqueArg, T_LEX_MACROUNIQUE }; void setuplex(void) { ULONG id; lex_Init(); lex_AddStrings(staticstrings); lex_AddStrings(localstrings); //Macro arguments id = lex_FloatAlloc(&tMacroArgToken); lex_FloatAddFirstRange(id, '\\', '\\'); lex_FloatAddSecondRange(id, '0', '9'); id = lex_FloatAlloc(&tMacroUniqueToken); lex_FloatAddFirstRange(id, '\\', '\\'); lex_FloatAddSecondRange(id, '@', '@'); //Decimal constants id = lex_FloatAlloc(&tNumberToken); lex_FloatAddFirstRange(id, '0', '9'); lex_FloatAddSecondRange(id, '0', '9'); lex_FloatAddRange(id, '0', '9'); //Binary constants nBinaryID = id = lex_FloatAlloc(&tNumberToken); lex_FloatAddFirstRange(id, '%', '%'); lex_FloatAddSecondRange(id, CurrentOptions.binary[0], CurrentOptions.binary[0]); lex_FloatAddSecondRange(id, CurrentOptions.binary[1], CurrentOptions.binary[1]); lex_FloatAddRange(id, CurrentOptions.binary[0], CurrentOptions.binary[0]); lex_FloatAddRange(id, CurrentOptions.binary[1], CurrentOptions.binary[1]); //Octal constants id = lex_FloatAlloc(&tNumberToken); lex_FloatAddFirstRange(id, '&', '&'); lex_FloatAddSecondRange(id, '0', '7'); lex_FloatAddRange(id, '0', '7'); //Gameboy gfx constants nGBGfxID = id = lex_FloatAlloc(&tNumberToken); lex_FloatAddFirstRange(id, '`', '`'); lex_FloatAddSecondRange(id, CurrentOptions.gbgfx[0], CurrentOptions.gbgfx[0]); lex_FloatAddSecondRange(id, CurrentOptions.gbgfx[1], CurrentOptions.gbgfx[1]); lex_FloatAddSecondRange(id, CurrentOptions.gbgfx[2], CurrentOptions.gbgfx[2]); lex_FloatAddSecondRange(id, CurrentOptions.gbgfx[3], CurrentOptions.gbgfx[3]); lex_FloatAddRange(id, CurrentOptions.gbgfx[0], CurrentOptions.gbgfx[0]); lex_FloatAddRange(id, CurrentOptions.gbgfx[1], CurrentOptions.gbgfx[1]); lex_FloatAddRange(id, CurrentOptions.gbgfx[2], CurrentOptions.gbgfx[2]); lex_FloatAddRange(id, CurrentOptions.gbgfx[3], CurrentOptions.gbgfx[3]); //Hex constants id = lex_FloatAlloc(&tNumberToken); lex_FloatAddFirstRange(id, '$', '$'); lex_FloatAddSecondRange(id, '0', '9'); lex_FloatAddSecondRange(id, 'A', 'F'); lex_FloatAddSecondRange(id, 'a', 'f'); lex_FloatAddRange(id, '0', '9'); lex_FloatAddRange(id, 'A', 'F'); lex_FloatAddRange(id, 'a', 'f'); //ID 's id = lex_FloatAlloc(&tIDToken); lex_FloatAddFirstRange(id, 'a', 'z'); lex_FloatAddFirstRange(id, 'A', 'Z'); lex_FloatAddFirstRange(id, '_', '_'); lex_FloatAddSecondRange(id, 'a', 'z'); lex_FloatAddSecondRange(id, 'A', 'Z'); lex_FloatAddSecondRange(id, '0', '9'); lex_FloatAddSecondRange(id, '_', '_'); lex_FloatAddSecondRange(id, '\\', '\\'); lex_FloatAddSecondRange(id, '@', '@'); lex_FloatAddSecondRange(id, '#', '#'); lex_FloatAddRange(id, 'a', 'z'); lex_FloatAddRange(id, 'A', 'Z'); lex_FloatAddRange(id, '0', '9'); lex_FloatAddRange(id, '_', '_'); lex_FloatAddRange(id, '\\', '\\'); lex_FloatAddRange(id, '@', '@'); lex_FloatAddRange(id, '#', '#'); //Local ID id = lex_FloatAlloc(&tIDToken); lex_FloatAddFirstRange(id, '.', '.'); lex_FloatAddSecondRange(id, 'a', 'z'); lex_FloatAddSecondRange(id, 'A', 'Z'); lex_FloatAddSecondRange(id, '_', '_'); lex_FloatAddRange(id, 'a', 'z'); lex_FloatAddRange(id, 'A', 'Z'); lex_FloatAddRange(id, '0', '9'); lex_FloatAddRange(id, '_', '_'); lex_FloatAddRange(id, '\\', '\\'); lex_FloatAddRange(id, '@', '@'); lex_FloatAddRange(id, '#', '#'); //@ID id = lex_FloatAlloc(&tIDToken); lex_FloatAddFirstRange(id, '@', '@'); //Fixed point constants id = lex_FloatAlloc(&tFixedPointToken); lex_FloatAddFirstRange(id, '.', '.'); lex_FloatAddFirstRange(id, '0', '9'); lex_FloatAddSecondRange(id, '.', '.'); lex_FloatAddSecondRange(id, '0', '9'); lex_FloatAddRange(id, '.', '.'); lex_FloatAddRange(id, '0', '9'); }