ba8b5c17 |
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 |