lcode.h revision 76d05dc695b06c4e987bb8078f78032441e1430c
1/* 2** $Id: lcode.h,v 1.58.1.1 2013/04/12 18:48:47 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*/ 26typedef 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 36typedef 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 47LUAI_FUNC int luaK_codeABx (FuncState *fs, OpCode o, int A, unsigned int Bx); 48LUAI_FUNC int luaK_codeABC (FuncState *fs, OpCode o, int A, int B, int C); 49LUAI_FUNC int luaK_codek (FuncState *fs, int reg, int k); 50LUAI_FUNC void luaK_fixline (FuncState *fs, int line); 51LUAI_FUNC void luaK_nil (FuncState *fs, int from, int n); 52LUAI_FUNC void luaK_reserveregs (FuncState *fs, int n); 53LUAI_FUNC void luaK_checkstack (FuncState *fs, int n); 54LUAI_FUNC int luaK_stringK (FuncState *fs, TString *s); 55LUAI_FUNC int luaK_numberK (FuncState *fs, lua_Number r); 56LUAI_FUNC void luaK_dischargevars (FuncState *fs, expdesc *e); 57LUAI_FUNC int luaK_exp2anyreg (FuncState *fs, expdesc *e); 58LUAI_FUNC void luaK_exp2anyregup (FuncState *fs, expdesc *e); 59LUAI_FUNC void luaK_exp2nextreg (FuncState *fs, expdesc *e); 60LUAI_FUNC void luaK_exp2val (FuncState *fs, expdesc *e); 61LUAI_FUNC int luaK_exp2RK (FuncState *fs, expdesc *e); 62LUAI_FUNC void luaK_self (FuncState *fs, expdesc *e, expdesc *key); 63LUAI_FUNC void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k); 64LUAI_FUNC void luaK_goiftrue (FuncState *fs, expdesc *e); 65LUAI_FUNC void luaK_goiffalse (FuncState *fs, expdesc *e); 66LUAI_FUNC void luaK_storevar (FuncState *fs, expdesc *var, expdesc *e); 67LUAI_FUNC void luaK_setreturns (FuncState *fs, expdesc *e, int nresults); 68LUAI_FUNC void luaK_setoneret (FuncState *fs, expdesc *e); 69LUAI_FUNC int luaK_jump (FuncState *fs); 70LUAI_FUNC void luaK_ret (FuncState *fs, int first, int nret); 71LUAI_FUNC void luaK_patchlist (FuncState *fs, int list, int target); 72LUAI_FUNC void luaK_patchtohere (FuncState *fs, int list); 73LUAI_FUNC void luaK_patchclose (FuncState *fs, int list, int level); 74LUAI_FUNC void luaK_concat (FuncState *fs, int *l1, int l2); 75LUAI_FUNC int luaK_getlabel (FuncState *fs); 76LUAI_FUNC void luaK_prefix (FuncState *fs, UnOpr op, expdesc *v, int line); 77LUAI_FUNC void luaK_infix (FuncState *fs, BinOpr op, expdesc *v); 78LUAI_FUNC void luaK_posfix (FuncState *fs, BinOpr op, expdesc *v1, 79 expdesc *v2, int line); 80LUAI_FUNC void luaK_setlist (FuncState *fs, int base, int nelems, int tostore); 81 82 83#endif 84