lib/lua/src/lcode.h


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/*
** $Id: lcode.h,v 1.48.1.1 2007/12/27 13:02:25 roberto Exp $
** 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_MUL, OPR_DIV, OPR_MOD, 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_LEN, OPR_NOUNOPR } UnOpr;


#define getcode(fs,e)	((fs)->f->code[(e)->u.s.info])