1*8e3e3a7aSWarner Losh /* 2*8e3e3a7aSWarner Losh ** $Id: lcode.h,v 1.64 2016/01/05 16:22:37 roberto Exp $ 3*8e3e3a7aSWarner Losh ** Code generator for Lua 4*8e3e3a7aSWarner Losh ** See Copyright Notice in lua.h 5*8e3e3a7aSWarner Losh */ 6*8e3e3a7aSWarner Losh 7*8e3e3a7aSWarner Losh #ifndef lcode_h 8*8e3e3a7aSWarner Losh #define lcode_h 9*8e3e3a7aSWarner Losh 10*8e3e3a7aSWarner Losh #include "llex.h" 11*8e3e3a7aSWarner Losh #include "lobject.h" 12*8e3e3a7aSWarner Losh #include "lopcodes.h" 13*8e3e3a7aSWarner Losh #include "lparser.h" 14*8e3e3a7aSWarner Losh 15*8e3e3a7aSWarner Losh 16*8e3e3a7aSWarner Losh /* 17*8e3e3a7aSWarner Losh ** Marks the end of a patch list. It is an invalid value both as an absolute 18*8e3e3a7aSWarner Losh ** address, and as a list link (would link an element to itself). 19*8e3e3a7aSWarner Losh */ 20*8e3e3a7aSWarner Losh #define NO_JUMP (-1) 21*8e3e3a7aSWarner Losh 22*8e3e3a7aSWarner Losh 23*8e3e3a7aSWarner Losh /* 24*8e3e3a7aSWarner Losh ** grep "ORDER OPR" if you change these enums (ORDER OP) 25*8e3e3a7aSWarner Losh */ 26*8e3e3a7aSWarner Losh typedef enum BinOpr { 27*8e3e3a7aSWarner Losh OPR_ADD, OPR_SUB, OPR_MUL, OPR_MOD, OPR_POW, 28*8e3e3a7aSWarner Losh OPR_DIV, 29*8e3e3a7aSWarner Losh OPR_IDIV, 30*8e3e3a7aSWarner Losh OPR_BAND, OPR_BOR, OPR_BXOR, 31*8e3e3a7aSWarner Losh OPR_SHL, OPR_SHR, 32*8e3e3a7aSWarner Losh OPR_CONCAT, 33*8e3e3a7aSWarner Losh OPR_EQ, OPR_LT, OPR_LE, 34*8e3e3a7aSWarner Losh OPR_NE, OPR_GT, OPR_GE, 35*8e3e3a7aSWarner Losh OPR_AND, OPR_OR, 36*8e3e3a7aSWarner Losh OPR_NOBINOPR 37*8e3e3a7aSWarner Losh } BinOpr; 38*8e3e3a7aSWarner Losh 39*8e3e3a7aSWarner Losh 40*8e3e3a7aSWarner Losh typedef enum UnOpr { OPR_MINUS, OPR_BNOT, OPR_NOT, OPR_LEN, OPR_NOUNOPR } UnOpr; 41*8e3e3a7aSWarner Losh 42*8e3e3a7aSWarner Losh 43*8e3e3a7aSWarner Losh /* get (pointer to) instruction of given 'expdesc' */ 44*8e3e3a7aSWarner Losh #define getinstruction(fs,e) ((fs)->f->code[(e)->u.info]) 45*8e3e3a7aSWarner Losh 46*8e3e3a7aSWarner Losh #define luaK_codeAsBx(fs,o,A,sBx) luaK_codeABx(fs,o,A,(sBx)+MAXARG_sBx) 47*8e3e3a7aSWarner Losh 48*8e3e3a7aSWarner Losh #define luaK_setmultret(fs,e) luaK_setreturns(fs, e, LUA_MULTRET) 49*8e3e3a7aSWarner Losh 50*8e3e3a7aSWarner Losh #define luaK_jumpto(fs,t) luaK_patchlist(fs, luaK_jump(fs), t) 51*8e3e3a7aSWarner Losh 52*8e3e3a7aSWarner Losh LUAI_FUNC int luaK_codeABx (FuncState *fs, OpCode o, int A, unsigned int Bx); 53*8e3e3a7aSWarner Losh LUAI_FUNC int luaK_codeABC (FuncState *fs, OpCode o, int A, int B, int C); 54*8e3e3a7aSWarner Losh LUAI_FUNC int luaK_codek (FuncState *fs, int reg, int k); 55*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_fixline (FuncState *fs, int line); 56*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_nil (FuncState *fs, int from, int n); 57*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_reserveregs (FuncState *fs, int n); 58*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_checkstack (FuncState *fs, int n); 59*8e3e3a7aSWarner Losh LUAI_FUNC int luaK_stringK (FuncState *fs, TString *s); 60*8e3e3a7aSWarner Losh LUAI_FUNC int luaK_intK (FuncState *fs, lua_Integer n); 61*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_dischargevars (FuncState *fs, expdesc *e); 62*8e3e3a7aSWarner Losh LUAI_FUNC int luaK_exp2anyreg (FuncState *fs, expdesc *e); 63*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_exp2anyregup (FuncState *fs, expdesc *e); 64*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_exp2nextreg (FuncState *fs, expdesc *e); 65*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_exp2val (FuncState *fs, expdesc *e); 66*8e3e3a7aSWarner Losh LUAI_FUNC int luaK_exp2RK (FuncState *fs, expdesc *e); 67*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_self (FuncState *fs, expdesc *e, expdesc *key); 68*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k); 69*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_goiftrue (FuncState *fs, expdesc *e); 70*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_goiffalse (FuncState *fs, expdesc *e); 71*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_storevar (FuncState *fs, expdesc *var, expdesc *e); 72*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_setreturns (FuncState *fs, expdesc *e, int nresults); 73*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_setoneret (FuncState *fs, expdesc *e); 74*8e3e3a7aSWarner Losh LUAI_FUNC int luaK_jump (FuncState *fs); 75*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_ret (FuncState *fs, int first, int nret); 76*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_patchlist (FuncState *fs, int list, int target); 77*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_patchtohere (FuncState *fs, int list); 78*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_patchclose (FuncState *fs, int list, int level); 79*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_concat (FuncState *fs, int *l1, int l2); 80*8e3e3a7aSWarner Losh LUAI_FUNC int luaK_getlabel (FuncState *fs); 81*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_prefix (FuncState *fs, UnOpr op, expdesc *v, int line); 82*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_infix (FuncState *fs, BinOpr op, expdesc *v); 83*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_posfix (FuncState *fs, BinOpr op, expdesc *v1, 84*8e3e3a7aSWarner Losh expdesc *v2, int line); 85*8e3e3a7aSWarner Losh LUAI_FUNC void luaK_setlist (FuncState *fs, int base, int nelems, int tostore); 86*8e3e3a7aSWarner Losh 87*8e3e3a7aSWarner Losh 88*8e3e3a7aSWarner Losh #endif 89