1*572c4311Sfengbojiang /* 2*572c4311Sfengbojiang ** $Id: lcode.h,v 1.48.1.1 2007/12/27 13:02:25 roberto Exp $ 3*572c4311Sfengbojiang ** Code generator for Lua 4*572c4311Sfengbojiang ** See Copyright Notice in lua.h 5*572c4311Sfengbojiang */ 6*572c4311Sfengbojiang 7*572c4311Sfengbojiang #ifndef lcode_h 8*572c4311Sfengbojiang #define lcode_h 9*572c4311Sfengbojiang 10*572c4311Sfengbojiang #include "llex.h" 11*572c4311Sfengbojiang #include "lobject.h" 12*572c4311Sfengbojiang #include "lopcodes.h" 13*572c4311Sfengbojiang #include "lparser.h" 14*572c4311Sfengbojiang 15*572c4311Sfengbojiang 16*572c4311Sfengbojiang /* 17*572c4311Sfengbojiang ** Marks the end of a patch list. It is an invalid value both as an absolute 18*572c4311Sfengbojiang ** address, and as a list link (would link an element to itself). 19*572c4311Sfengbojiang */ 20*572c4311Sfengbojiang #define NO_JUMP (-1) 21*572c4311Sfengbojiang 22*572c4311Sfengbojiang 23*572c4311Sfengbojiang /* 24*572c4311Sfengbojiang ** grep "ORDER OPR" if you change these enums 25*572c4311Sfengbojiang */ 26*572c4311Sfengbojiang typedef enum BinOpr { 27*572c4311Sfengbojiang OPR_ADD, OPR_SUB, OPR_MUL, OPR_DIV, OPR_MOD, OPR_POW, 28*572c4311Sfengbojiang OPR_CONCAT, 29*572c4311Sfengbojiang OPR_NE, OPR_EQ, 30*572c4311Sfengbojiang OPR_LT, OPR_LE, OPR_GT, OPR_GE, 31*572c4311Sfengbojiang OPR_AND, OPR_OR, 32*572c4311Sfengbojiang OPR_NOBINOPR 33*572c4311Sfengbojiang } BinOpr; 34*572c4311Sfengbojiang 35*572c4311Sfengbojiang 36*572c4311Sfengbojiang typedef enum UnOpr { OPR_MINUS, OPR_NOT, OPR_LEN, OPR_NOUNOPR } UnOpr; 37*572c4311Sfengbojiang 38*572c4311Sfengbojiang 39*572c4311Sfengbojiang #define getcode(fs,e) ((fs)->f->code[(e)->u.s.info]) 40*572c4311Sfengbojiang 41*572c4311Sfengbojiang #define luaK_codeAsBx(fs,o,A,sBx) luaK_codeABx(fs,o,A,(sBx)+MAXARG_sBx) 42*572c4311Sfengbojiang 43*572c4311Sfengbojiang #define luaK_setmultret(fs,e) luaK_setreturns(fs, e, LUA_MULTRET) 44*572c4311Sfengbojiang 45*572c4311Sfengbojiang LUAI_FUNC int luaK_codeABx (FuncState *fs, OpCode o, int A, unsigned int Bx); 46*572c4311Sfengbojiang LUAI_FUNC int luaK_codeABC (FuncState *fs, OpCode o, int A, int B, int C); 47*572c4311Sfengbojiang LUAI_FUNC void luaK_fixline (FuncState *fs, int line); 48*572c4311Sfengbojiang LUAI_FUNC void luaK_nil (FuncState *fs, int from, int n); 49*572c4311Sfengbojiang LUAI_FUNC void luaK_reserveregs (FuncState *fs, int n); 50*572c4311Sfengbojiang LUAI_FUNC void luaK_checkstack (FuncState *fs, int n); 51*572c4311Sfengbojiang LUAI_FUNC int luaK_stringK (FuncState *fs, TString *s); 52*572c4311Sfengbojiang LUAI_FUNC int luaK_numberK (FuncState *fs, lua_Number r); 53*572c4311Sfengbojiang LUAI_FUNC void luaK_dischargevars (FuncState *fs, expdesc *e); 54*572c4311Sfengbojiang LUAI_FUNC int luaK_exp2anyreg (FuncState *fs, expdesc *e); 55*572c4311Sfengbojiang LUAI_FUNC void luaK_exp2nextreg (FuncState *fs, expdesc *e); 56*572c4311Sfengbojiang LUAI_FUNC void luaK_exp2val (FuncState *fs, expdesc *e); 57*572c4311Sfengbojiang LUAI_FUNC int luaK_exp2RK (FuncState *fs, expdesc *e); 58*572c4311Sfengbojiang LUAI_FUNC void luaK_self (FuncState *fs, expdesc *e, expdesc *key); 59*572c4311Sfengbojiang LUAI_FUNC void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k); 60*572c4311Sfengbojiang LUAI_FUNC void luaK_goiftrue (FuncState *fs, expdesc *e); 61*572c4311Sfengbojiang LUAI_FUNC void luaK_storevar (FuncState *fs, expdesc *var, expdesc *e); 62*572c4311Sfengbojiang LUAI_FUNC void luaK_setreturns (FuncState *fs, expdesc *e, int nresults); 63*572c4311Sfengbojiang LUAI_FUNC void luaK_setoneret (FuncState *fs, expdesc *e); 64*572c4311Sfengbojiang LUAI_FUNC int luaK_jump (FuncState *fs); 65*572c4311Sfengbojiang LUAI_FUNC void luaK_ret (FuncState *fs, int first, int nret); 66*572c4311Sfengbojiang LUAI_FUNC void luaK_patchlist (FuncState *fs, int list, int target); 67*572c4311Sfengbojiang LUAI_FUNC void luaK_patchtohere (FuncState *fs, int list); 68*572c4311Sfengbojiang LUAI_FUNC void luaK_concat (FuncState *fs, int *l1, int l2); 69*572c4311Sfengbojiang LUAI_FUNC int luaK_getlabel (FuncState *fs); 70*572c4311Sfengbojiang LUAI_FUNC void luaK_prefix (FuncState *fs, UnOpr op, expdesc *v); 71*572c4311Sfengbojiang LUAI_FUNC void luaK_infix (FuncState *fs, BinOpr op, expdesc *v); 72*572c4311Sfengbojiang LUAI_FUNC void luaK_posfix (FuncState *fs, BinOpr op, expdesc *v1, expdesc *v2); 73*572c4311Sfengbojiang LUAI_FUNC void luaK_setlist (FuncState *fs, int base, int nelems, int tostore); 74*572c4311Sfengbojiang 75*572c4311Sfengbojiang 76*572c4311Sfengbojiang #endif 77