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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 | |