| 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 |