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Root/lua/lcode.h

1/*
2** $Id: lcode.h,v 1.48 2006/03/21 19:28:03 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
25*/
26typedef enum BinOpr {
27 OPR_ADD, OPR_SUB, OPR_MUL, OPR_DIV, OPR_MOD, OPR_POW,
28 OPR_CONCAT,
29 OPR_NE, OPR_EQ,
30 OPR_LT, OPR_LE, OPR_GT, OPR_GE,
31 OPR_AND, OPR_OR,
32 OPR_NOBINOPR
33} BinOpr;
34
35
36typedef enum UnOpr { OPR_MINUS, OPR_NOT, OPR_LEN, OPR_NOUNOPR } UnOpr;
37
38
39#define getcode(fs,e)((fs)->f->code[(e)->u.s.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
45LUAI_FUNC int luaK_codeABx (FuncState *fs, OpCode o, int A, unsigned int Bx);
46LUAI_FUNC int luaK_codeABC (FuncState *fs, OpCode o, int A, int B, int C);
47LUAI_FUNC void luaK_fixline (FuncState *fs, int line);
48LUAI_FUNC void luaK_nil (FuncState *fs, int from, int n);
49LUAI_FUNC void luaK_reserveregs (FuncState *fs, int n);
50LUAI_FUNC void luaK_checkstack (FuncState *fs, int n);
51LUAI_FUNC int luaK_stringK (FuncState *fs, TString *s);
52LUAI_FUNC int luaK_numberK (FuncState *fs, lua_Number r);
53LUAI_FUNC void luaK_dischargevars (FuncState *fs, expdesc *e);
54LUAI_FUNC int luaK_exp2anyreg (FuncState *fs, expdesc *e);
55LUAI_FUNC void luaK_exp2nextreg (FuncState *fs, expdesc *e);
56LUAI_FUNC void luaK_exp2val (FuncState *fs, expdesc *e);
57LUAI_FUNC int luaK_exp2RK (FuncState *fs, expdesc *e);
58LUAI_FUNC void luaK_self (FuncState *fs, expdesc *e, expdesc *key);
59LUAI_FUNC void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k);
60LUAI_FUNC void luaK_goiftrue (FuncState *fs, expdesc *e);
61LUAI_FUNC void luaK_storevar (FuncState *fs, expdesc *var, expdesc *e);
62LUAI_FUNC void luaK_setreturns (FuncState *fs, expdesc *e, int nresults);
63LUAI_FUNC void luaK_setoneret (FuncState *fs, expdesc *e);
64LUAI_FUNC int luaK_jump (FuncState *fs);
65LUAI_FUNC void luaK_ret (FuncState *fs, int first, int nret);
66LUAI_FUNC void luaK_patchlist (FuncState *fs, int list, int target);
67LUAI_FUNC void luaK_patchtohere (FuncState *fs, int list);
68LUAI_FUNC void luaK_concat (FuncState *fs, int *l1, int l2);
69LUAI_FUNC int luaK_getlabel (FuncState *fs);
70LUAI_FUNC void luaK_prefix (FuncState *fs, UnOpr op, expdesc *v);
71LUAI_FUNC void luaK_infix (FuncState *fs, BinOpr op, expdesc *v);
72LUAI_FUNC void luaK_posfix (FuncState *fs, BinOpr op, expdesc *v1, expdesc *v2);
73LUAI_FUNC void luaK_setlist (FuncState *fs, int base, int nelems, int tostore);
74
75
76#endif

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