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Commit	Line	Data
	1	/*
	2	** $Id: lcode.h,v 1.58 2011/08/30 16:26:41 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 (ORDER OP)
	25	*/
	26	typedef enum BinOpr {
	27	OPR_ADD, OPR_SUB, OPR_MUL, OPR_DIV, OPR_MOD, OPR_POW,
	28	OPR_CONCAT,
	29	OPR_EQ, OPR_LT, OPR_LE,
	30	OPR_NE, OPR_GT, OPR_GE,
	31	OPR_AND, OPR_OR,
	32	OPR_NOBINOPR
	33	} BinOpr;
	34
	35
	36	typedef enum UnOpr { OPR_MINUS, OPR_NOT, OPR_LEN, OPR_NOUNOPR } UnOpr;
	37
	38
	39	#define getcode(fs,e) ((fs)->f->code[(e)->u.info])
	40
	41	#define luaK_codeAsBx(fs,o,A,sBx) luaK_codeABx(fs,o,A,(sBx)+MAXARG_sBx)
	42
	43	#define luaK_setmultret(fs,e) luaK_setreturns(fs, e, LUA_MULTRET)
	44
	45	#define luaK_jumpto(fs,t) luaK_patchlist(fs, luaK_jump(fs), t)
	46
	47	LUAI_FUNC int luaK_codeABx (FuncState *fs, OpCode o, int A, unsigned int Bx);
	48	LUAI_FUNC int luaK_codeABC (FuncState *fs, OpCode o, int A, int B, int C);
	49	LUAI_FUNC int luaK_codek (FuncState *fs, int reg, int k);
	50	LUAI_FUNC void luaK_fixline (FuncState *fs, int line);
	51	LUAI_FUNC void luaK_nil (FuncState *fs, int from, int n);
	52	LUAI_FUNC void luaK_reserveregs (FuncState *fs, int n);
	53	LUAI_FUNC void luaK_checkstack (FuncState *fs, int n);
	54	LUAI_FUNC int luaK_stringK (FuncState fs, TString s);
	55	LUAI_FUNC int luaK_numberK (FuncState *fs, lua_Number r);
	56	LUAI_FUNC void luaK_dischargevars (FuncState fs, expdesc e);
	57	LUAI_FUNC int luaK_exp2anyreg (FuncState fs, expdesc e);
	58	LUAI_FUNC void luaK_exp2anyregup (FuncState fs, expdesc e);
	59	LUAI_FUNC void luaK_exp2nextreg (FuncState fs, expdesc e);
	60	LUAI_FUNC void luaK_exp2val (FuncState fs, expdesc e);
	61	LUAI_FUNC int luaK_exp2RK (FuncState fs, expdesc e);
	62	LUAI_FUNC void luaK_self (FuncState fs, expdesc e, expdesc *key);
	63	LUAI_FUNC void luaK_indexed (FuncState fs, expdesc t, expdesc *k);
	64	LUAI_FUNC void luaK_goiftrue (FuncState fs, expdesc e);
	65	LUAI_FUNC void luaK_goiffalse (FuncState fs, expdesc e);
	66	LUAI_FUNC void luaK_storevar (FuncState fs, expdesc var, expdesc *e);
	67	LUAI_FUNC void luaK_setreturns (FuncState fs, expdesc e, int nresults);
	68	LUAI_FUNC void luaK_setoneret (FuncState fs, expdesc e);
	69	LUAI_FUNC int luaK_jump (FuncState *fs);
	70	LUAI_FUNC void luaK_ret (FuncState *fs, int first, int nret);
	71	LUAI_FUNC void luaK_patchlist (FuncState *fs, int list, int target);
	72	LUAI_FUNC void luaK_patchtohere (FuncState *fs, int list);
	73	LUAI_FUNC void luaK_patchclose (FuncState *fs, int list, int level);
	74	LUAI_FUNC void luaK_concat (FuncState fs, int l1, int l2);
	75	LUAI_FUNC int luaK_getlabel (FuncState *fs);
	76	LUAI_FUNC void luaK_prefix (FuncState fs, UnOpr op, expdesc v, int line);
	77	LUAI_FUNC void luaK_infix (FuncState fs, BinOpr op, expdesc v);
	78	LUAI_FUNC void luaK_posfix (FuncState fs, BinOpr op, expdesc v1,
	79	expdesc *v2, int line);
	80	LUAI_FUNC void luaK_setlist (FuncState *fs, int base, int nelems, int tostore);
	81
	82
	83	#endif