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| 1 | /* | ||
| 2 | ** $Id: lcode.h,v 1.16 2000/08/09 14:49:13 roberto Exp $ | ||
| 3 | ** Code generator for Lua | ||
| 4 | ** See Copyright Notice in lua.h | ||
| 5 | */ | ||
| 6 | |||
| 7 | #ifndef lcode_h | ||
| 8 | #define lcode_h | ||
| 9 | |||
| 10 | #include "llex.h" | ||
| 11 | #include "lobject.h" | ||
| 12 | #include "lopcodes.h" | ||
| 13 | #include "lparser.h" | ||
| 14 | |||
| 15 | |||
| 16 | /* | ||
| 17 | ** Marks the end of a patch list. It is an invalid value both as an absolute | ||
| 18 | ** address, and as a list link (would link an element to itself). | ||
| 19 | */ | ||
| 20 | #define NO_JUMP (-1) | ||
| 21 | |||
| 22 | |||
| 23 | /* | ||
| 24 | ** grep "ORDER OPR" if you change these enums | ||
| 25 | */ | ||
| 26 | typedef enum BinOpr { | ||
| 27 | OPR_ADD, OPR_SUB, OPR_MULT, OPR_DIV, OPR_POW, | ||
| 28 | OPR_CONCAT, | ||
| 29 | OPR_NE, OPR_EQ, OPR_LT, OPR_LE, OPR_GT, OPR_GE, | ||
| 30 | OPR_AND, OPR_OR, | ||
| 31 | OPR_NOBINOPR | ||
| 32 | } BinOpr; | ||
| 33 | |||
| 34 | typedef enum UnOpr { OPR_MINUS, OPR_NOT, OPR_NOUNOPR } UnOpr; | ||
| 35 | |||
| 36 | |||
| 37 | enum Mode {iO, iU, iS, iAB}; /* instruction format */ | ||
| 38 | |||
| 39 | #define VD 100 /* flag for variable delta */ | ||
| 40 | |||
| 41 | extern const struct OpProperties { | ||
| 42 | char mode; | ||
| 43 | unsigned char push; | ||
| 44 | unsigned char pop; | ||
| 45 | } luaK_opproperties[]; | ||
| 46 | |||
| 47 | |||
| 48 | void luaK_error (LexState *ls, const char *msg); | ||
| 49 | int luaK_code0 (FuncState *fs, OpCode o); | ||
| 50 | int luaK_code1 (FuncState *fs, OpCode o, int arg1); | ||
| 51 | int luaK_code2 (FuncState *fs, OpCode o, int arg1, int arg2); | ||
| 52 | int luaK_jump (FuncState *fs); | ||
| 53 | void luaK_patchlist (FuncState *fs, int list, int target); | ||
| 54 | void luaK_concat (FuncState *fs, int *l1, int l2); | ||
| 55 | void luaK_goiftrue (FuncState *fs, expdesc *v, int keepvalue); | ||
| 56 | int luaK_getlabel (FuncState *fs); | ||
| 57 | void luaK_deltastack (FuncState *fs, int delta); | ||
| 58 | void luaK_kstr (LexState *ls, int c); | ||
| 59 | void luaK_number (FuncState *fs, Number f); | ||
| 60 | void luaK_adjuststack (FuncState *fs, int n); | ||
| 61 | int luaK_lastisopen (FuncState *fs); | ||
| 62 | void luaK_setcallreturns (FuncState *fs, int nresults); | ||
| 63 | void luaK_tostack (LexState *ls, expdesc *v, int onlyone); | ||
| 64 | void luaK_storevar (LexState *ls, const expdesc *var); | ||
| 65 | void luaK_prefix (LexState *ls, UnOpr op, expdesc *v); | ||
| 66 | void luaK_infix (LexState *ls, BinOpr op, expdesc *v); | ||
| 67 | void luaK_posfix (LexState *ls, BinOpr op, expdesc *v1, expdesc *v2); | ||
| 68 | |||
| 69 | |||
| 70 | #endif | ||