mirror of
https://github.com/lua/lua
synced 2024-11-26 14:51:21 +03:00
74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
/*
|
|
** $Id: lcode.h,v 1.20 2001/02/20 18:15:33 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 */
|
|
|
|
typedef struct OpProperties {
|
|
lu_byte mode;
|
|
lu_byte push;
|
|
lu_byte pop;
|
|
} OpProperties;
|
|
|
|
extern const OpProperties luaK_opproperties[];
|
|
|
|
|
|
void luaK_error (LexState *ls, const l_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_fixfor (FuncState *fs, int pc, int dest);
|
|
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, lua_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
|