1 /* 2 ** $Id: lcode.h,v 1.58 2011/08/30 16:26:41 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 */ 26 typedef 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 36 typedef 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 47 LUAI_FUNC int luaK_codeABx (FuncState *fs, OpCode o, int A, unsigned int Bx); 48 LUAI_FUNC int luaK_codeABC (FuncState *fs, OpCode o, int A, int B, int C); 49 LUAI_FUNC int luaK_codek (FuncState *fs, int reg, int k); 50 LUAI_FUNC void luaK_fixline (FuncState *fs, int line); 51 LUAI_FUNC void luaK_nil (FuncState *fs, int from, int n); 52 LUAI_FUNC void luaK_reserveregs (FuncState *fs, int n); 53 LUAI_FUNC void luaK_checkstack (FuncState *fs, int n); 54 LUAI_FUNC int luaK_stringK (FuncState *fs, TString *s); 55 LUAI_FUNC int luaK_numberK (FuncState *fs, lua_Number r); 56 LUAI_FUNC void luaK_dischargevars (FuncState *fs, expdesc *e); 57 LUAI_FUNC int luaK_exp2anyreg (FuncState *fs, expdesc *e); 58 LUAI_FUNC void luaK_exp2anyregup (FuncState *fs, expdesc *e); 59 LUAI_FUNC void luaK_exp2nextreg (FuncState *fs, expdesc *e); 60 LUAI_FUNC void luaK_exp2val (FuncState *fs, expdesc *e); 61 LUAI_FUNC int luaK_exp2RK (FuncState *fs, expdesc *e); 62 LUAI_FUNC void luaK_self (FuncState *fs, expdesc *e, expdesc *key); 63 LUAI_FUNC void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k); 64 LUAI_FUNC void luaK_goiftrue (FuncState *fs, expdesc *e); 65 LUAI_FUNC void luaK_goiffalse (FuncState *fs, expdesc *e); 66 LUAI_FUNC void luaK_storevar (FuncState *fs, expdesc *var, expdesc *e); 67 LUAI_FUNC void luaK_setreturns (FuncState *fs, expdesc *e, int nresults); 68 LUAI_FUNC void luaK_setoneret (FuncState *fs, expdesc *e); 69 LUAI_FUNC int luaK_jump (FuncState *fs); 70 LUAI_FUNC void luaK_ret (FuncState *fs, int first, int nret); 71 LUAI_FUNC void luaK_patchlist (FuncState *fs, int list, int target); 72 LUAI_FUNC void luaK_patchtohere (FuncState *fs, int list); 73 LUAI_FUNC void luaK_patchclose (FuncState *fs, int list, int level); 74 LUAI_FUNC void luaK_concat (FuncState *fs, int *l1, int l2); 75 LUAI_FUNC int luaK_getlabel (FuncState *fs); 76 LUAI_FUNC void luaK_prefix (FuncState *fs, UnOpr op, expdesc *v, int line); 77 LUAI_FUNC void luaK_infix (FuncState *fs, BinOpr op, expdesc *v); 78 LUAI_FUNC void luaK_posfix (FuncState *fs, BinOpr op, expdesc *v1, 79 expdesc *v2, int line); 80 LUAI_FUNC void luaK_setlist (FuncState *fs, int base, int nelems, int tostore); 81 82 83 #endif 84
