1 /* $NetBSD: lcode.h,v 1.8 2018/08/04 17:30:01 alnsn Exp $ */ 2 3 /* 4 ** Id: lcode.h,v 1.64.1.1 2017/04/19 17:20:42 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 (ORDER OP) 27 */ 28 typedef enum BinOpr { 29 #ifndef _KERNEL 30 OPR_ADD, OPR_SUB, OPR_MUL, OPR_MOD, OPR_POW, 31 OPR_DIV, 32 #else /* _KERNEL */ 33 OPR_ADD, OPR_SUB, OPR_MUL, OPR_MOD, 34 #endif /* _KERNEL */ 35 OPR_IDIV, 36 OPR_BAND, OPR_BOR, OPR_BXOR, 37 OPR_SHL, OPR_SHR, 38 OPR_CONCAT, 39 OPR_EQ, OPR_LT, OPR_LE, 40 OPR_NE, OPR_GT, OPR_GE, 41 OPR_AND, OPR_OR, 42 OPR_NOBINOPR 43 } BinOpr; 44 45 46 typedef enum UnOpr { OPR_MINUS, OPR_BNOT, OPR_NOT, OPR_LEN, OPR_NOUNOPR } UnOpr; 47 48 49 /* get (pointer to) instruction of given 'expdesc' */ 50 #define getinstruction(fs,e) ((fs)->f->code[(e)->u.info]) 51 52 #define luaK_codeAsBx(fs,o,A,sBx) luaK_codeABx(fs,o,A,(sBx)+MAXARG_sBx) 53 54 #define luaK_setmultret(fs,e) luaK_setreturns(fs, e, LUA_MULTRET) 55 56 #define luaK_jumpto(fs,t) luaK_patchlist(fs, luaK_jump(fs), t) 57 58 LUAI_FUNC int luaK_codeABx (FuncState *fs, OpCode o, int A, unsigned int Bx); 59 LUAI_FUNC int luaK_codeABC (FuncState *fs, OpCode o, int A, int B, int C); 60 LUAI_FUNC int luaK_codek (FuncState *fs, int reg, int k); 61 LUAI_FUNC void luaK_fixline (FuncState *fs, int line); 62 LUAI_FUNC void luaK_nil (FuncState *fs, int from, int n); 63 LUAI_FUNC void luaK_reserveregs (FuncState *fs, int n); 64 LUAI_FUNC void luaK_checkstack (FuncState *fs, int n); 65 LUAI_FUNC int luaK_stringK (FuncState *fs, TString *s); 66 LUAI_FUNC int luaK_intK (FuncState *fs, lua_Integer n); 67 LUAI_FUNC void luaK_dischargevars (FuncState *fs, expdesc *e); 68 LUAI_FUNC int luaK_exp2anyreg (FuncState *fs, expdesc *e); 69 LUAI_FUNC void luaK_exp2anyregup (FuncState *fs, expdesc *e); 70 LUAI_FUNC void luaK_exp2nextreg (FuncState *fs, expdesc *e); 71 LUAI_FUNC void luaK_exp2val (FuncState *fs, expdesc *e); 72 LUAI_FUNC int luaK_exp2RK (FuncState *fs, expdesc *e); 73 LUAI_FUNC void luaK_self (FuncState *fs, expdesc *e, expdesc *key); 74 LUAI_FUNC void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k); 75 LUAI_FUNC void luaK_goiftrue (FuncState *fs, expdesc *e); 76 LUAI_FUNC void luaK_goiffalse (FuncState *fs, expdesc *e); 77 LUAI_FUNC void luaK_storevar (FuncState *fs, expdesc *var, expdesc *e); 78 LUAI_FUNC void luaK_setreturns (FuncState *fs, expdesc *e, int nresults); 79 LUAI_FUNC void luaK_setoneret (FuncState *fs, expdesc *e); 80 LUAI_FUNC int luaK_jump (FuncState *fs); 81 LUAI_FUNC void luaK_ret (FuncState *fs, int first, int nret); 82 LUAI_FUNC void luaK_patchlist (FuncState *fs, int list, int target); 83 LUAI_FUNC void luaK_patchtohere (FuncState *fs, int list); 84 LUAI_FUNC void luaK_patchclose (FuncState *fs, int list, int level); 85 LUAI_FUNC void luaK_concat (FuncState *fs, int *l1, int l2); 86 LUAI_FUNC int luaK_getlabel (FuncState *fs); 87 LUAI_FUNC void luaK_prefix (FuncState *fs, UnOpr op, expdesc *v, int line); 88 LUAI_FUNC void luaK_infix (FuncState *fs, BinOpr op, expdesc *v); 89 LUAI_FUNC void luaK_posfix (FuncState *fs, BinOpr op, expdesc *v1, 90 expdesc *v2, int line); 91 LUAI_FUNC void luaK_setlist (FuncState *fs, int base, int nelems, int tostore); 92 93 94 #endif 95