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1 | /* | |
2 | ** $Id: ltm.h,v 2.11 2011/02/28 17:32:10 roberto Exp $ | |
3 | ** Tag methods | |
4 | ** See Copyright Notice in lua.h | |
5 | */ | |
6 | ||
7 | #ifndef ltm_h | |
8 | #define ltm_h | |
9 | ||
10 | ||
11 | #include "lobject.h" | |
12 | ||
13 | ||
14 | /* | |
15 | * WARNING: if you change the order of this enumeration, | |
16 | * grep "ORDER TM" | |
17 | */ | |
18 | typedef enum { | |
19 | TM_INDEX, | |
20 | TM_NEWINDEX, | |
21 | TM_GC, | |
22 | TM_MODE, | |
23 | TM_LEN, | |
24 | TM_EQ, /* last tag method with `fast' access */ | |
25 | TM_ADD, | |
26 | TM_SUB, | |
27 | TM_MUL, | |
28 | TM_DIV, | |
29 | TM_MOD, | |
30 | TM_POW, | |
31 | TM_UNM, | |
32 | TM_LT, | |
33 | TM_LE, | |
34 | TM_CONCAT, | |
35 | TM_CALL, | |
36 | TM_N /* number of elements in the enum */ | |
37 | } TMS; | |
38 | ||
39 | ||
40 | ||
41 | #define gfasttm(g,et,e) ((et) == NULL ? NULL : \ | |
42 | ((et)->flags & (1u<<(e))) ? NULL : luaT_gettm(et, e, (g)->tmname[e])) | |
43 | ||
44 | #define fasttm(l,et,e) gfasttm(G(l), et, e) | |
45 | ||
46 | #define ttypename(x) luaT_typenames_[(x) + 1] | |
47 | #define objtypename(x) ttypename(ttypenv(x)) | |
48 | ||
49 | LUAI_DDEC const char *const luaT_typenames_[LUA_TOTALTAGS]; | |
50 | ||
51 | ||
52 | LUAI_FUNC const TValue *luaT_gettm (Table *events, TMS event, TString *ename); | |
53 | LUAI_FUNC const TValue *luaT_gettmbyobj (lua_State *L, const TValue *o, | |
54 | TMS event); | |
55 | LUAI_FUNC void luaT_init (lua_State *L); | |
56 | ||
57 | #endif |