1/* $NetBSD$ */ 2 3/* 4** Id: lcode.h,v 1.48.1.1 2007/12/27 13:02:25 roberto Exp 5** Code generator for Lua 6** See Copyright Notice in lua.h 7*/ 8 9#ifndef lcode_h 10#define lcode_h 11 12#include "llex.h" 13#include "lobject.h" 14#include "lopcodes.h" 15#include "lparser.h" 16 17 18/* 19** Marks the end of a patch list. It is an invalid value both as an absolute 20** address, and as a list link (would link an element to itself). 21*/ 22#define NO_JUMP (-1) 23 24 25/* 26** grep "ORDER OPR" if you change these enums 27*/ 28typedef enum BinOpr { 29 OPR_ADD, OPR_SUB, OPR_MUL, OPR_DIV, OPR_MOD, OPR_POW, 30 OPR_CONCAT, 31 OPR_NE, OPR_EQ, 32 OPR_LT, OPR_LE, OPR_GT, OPR_GE, 33 OPR_AND, OPR_OR, 34 OPR_NOBINOPR 35} BinOpr; 36 37 38typedef enum UnOpr { OPR_MINUS, OPR_NOT, OPR_LEN, OPR_NOUNOPR } UnOpr; 39 40 41#define getcode(fs,e) ((fs)->f->code[(e)->u.s.info]) 42 43#define luaK_codeAsBx(fs,o,A,sBx) luaK_codeABx(fs,o,A,(sBx)+MAXARG_sBx) 44 45#define luaK_setmultret(fs,e) luaK_setreturns(fs, e, LUA_MULTRET) 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 void luaK_fixline (FuncState *fs, int line); 50LUAI_FUNC void luaK_nil (FuncState *fs, int from, int n); 51LUAI_FUNC void luaK_reserveregs (FuncState *fs, int n); 52LUAI_FUNC void luaK_checkstack (FuncState *fs, int n); 53LUAI_FUNC int luaK_stringK (FuncState *fs, TString *s); 54LUAI_FUNC int luaK_numberK (FuncState *fs, lua_Number r); 55LUAI_FUNC void luaK_dischargevars (FuncState *fs, expdesc *e); 56LUAI_FUNC int luaK_exp2anyreg (FuncState *fs, expdesc *e); 57LUAI_FUNC void luaK_exp2nextreg (FuncState *fs, expdesc *e); 58LUAI_FUNC void luaK_exp2val (FuncState *fs, expdesc *e); 59LUAI_FUNC int luaK_exp2RK (FuncState *fs, expdesc *e); 60LUAI_FUNC void luaK_self (FuncState *fs, expdesc *e, expdesc *key); 61LUAI_FUNC void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k); 62LUAI_FUNC void luaK_goiftrue (FuncState *fs, expdesc *e); 63LUAI_FUNC void luaK_storevar (FuncState *fs, expdesc *var, expdesc *e); 64LUAI_FUNC void luaK_setreturns (FuncState *fs, expdesc *e, int nresults); 65LUAI_FUNC void luaK_setoneret (FuncState *fs, expdesc *e); 66LUAI_FUNC int luaK_jump (FuncState *fs); 67LUAI_FUNC void luaK_ret (FuncState *fs, int first, int nret); 68LUAI_FUNC void luaK_patchlist (FuncState *fs, int list, int target); 69LUAI_FUNC void luaK_patchtohere (FuncState *fs, int list); 70LUAI_FUNC void luaK_concat (FuncState *fs, int *l1, int l2); 71LUAI_FUNC int luaK_getlabel (FuncState *fs); 72LUAI_FUNC void luaK_prefix (FuncState *fs, UnOpr op, expdesc *v); 73LUAI_FUNC void luaK_infix (FuncState *fs, BinOpr op, expdesc *v); 74LUAI_FUNC void luaK_posfix (FuncState *fs, BinOpr op, expdesc *v1, expdesc *v2); 75LUAI_FUNC void luaK_setlist (FuncState *fs, int base, int nelems, int tostore); 76 77 78#endif 79