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