| /* |
| ** $Id: lcode.h,v 1.15 2000/06/28 20:20:36 roberto Exp roberto $ |
| ** Code generator for Lua |
| ** See Copyright Notice in lua.h |
| */ |
| |
| #ifndef lcode_h |
| #define lcode_h |
| |
| #include "llex.h" |
| #include "lobject.h" |
| #include "lopcodes.h" |
| #include "lparser.h" |
| |
| |
| /* |
| ** Marks the end of a patch list. It is an invalid value both as an absolute |
| ** address, and as a list link (would link an element to itself). |
| */ |
| #define NO_JUMP (-1) |
| |
| |
| /* |
| ** grep "ORDER OPR" if you change these enums |
| */ |
| typedef enum BinOpr { |
| OPR_ADD, OPR_SUB, OPR_MULT, OPR_DIV, OPR_POW, |
| OPR_CONCAT, |
| OPR_NE, OPR_EQ, OPR_LT, OPR_LE, OPR_GT, OPR_GE, |
| OPR_AND, OPR_OR, |
| OPR_NOBINOPR |
| } BinOpr; |
| |
| typedef enum UnOpr { OPR_MINUS, OPR_NOT, OPR_NOUNOPR } UnOpr; |
| |
| |
| enum Mode {iO, iU, iS, iAB}; /* instruction format */ |
| |
| #define VD 100 /* flag for variable delta */ |
| |
| extern const struct OpProperties { |
| char mode; |
| unsigned char push; |
| unsigned char pop; |
| } luaK_opproperties[]; |
| |
| |
| void luaK_error (LexState *ls, const char *msg); |
| int luaK_code0 (FuncState *fs, OpCode o); |
| int luaK_code1 (FuncState *fs, OpCode o, int arg1); |
| int luaK_code2 (FuncState *fs, OpCode o, int arg1, int arg2); |
| int luaK_jump (FuncState *fs); |
| void luaK_patchlist (FuncState *fs, int list, int target); |
| void luaK_concat (FuncState *fs, int *l1, int l2); |
| void luaK_goiftrue (FuncState *fs, expdesc *v, int keepvalue); |
| int luaK_getlabel (FuncState *fs); |
| void luaK_deltastack (FuncState *fs, int delta); |
| void luaK_kstr (LexState *ls, int c); |
| void luaK_number (FuncState *fs, Number f); |
| void luaK_adjuststack (FuncState *fs, int n); |
| int luaK_lastisopen (FuncState *fs); |
| void luaK_setcallreturns (FuncState *fs, int nresults); |
| void luaK_tostack (LexState *ls, expdesc *v, int onlyone); |
| void luaK_storevar (LexState *ls, const expdesc *var); |
| void luaK_prefix (LexState *ls, UnOpr op, expdesc *v); |
| void luaK_infix (LexState *ls, BinOpr op, expdesc *v); |
| void luaK_posfix (LexState *ls, BinOpr op, expdesc *v1, expdesc *v2); |
| |
| |
| #endif |