1 /* 2 ** $Id: ltm.h,v 2.22.1.1 2017/04/19 17:20:42 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" and "ORDER OP" 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_MOD, 29 TM_POW, 30 TM_DIV, 31 TM_IDIV, 32 TM_BAND, 33 TM_BOR, 34 TM_BXOR, 35 TM_SHL, 36 TM_SHR, 37 TM_UNM, 38 TM_BNOT, 39 TM_LT, 40 TM_LE, 41 TM_CONCAT, 42 TM_CALL, 43 TM_N /* number of elements in the enum */ 44 } TMS; 45 46 47 48 #define gfasttm(g,et,e) ((et) == NULL ? NULL : \ 49 ((et)->flags & (1u<<(e))) ? NULL : luaT_gettm(et, e, (g)->tmname[e])) 50 51 #define fasttm(l,et,e) gfasttm(G(l), et, e) 52 53 #define ttypename(x) luaT_typenames_[(x) + 1] 54 55 LUAI_DDEC const char *const luaT_typenames_[LUA_TOTALTAGS]; 56 57 58 LUAI_FUNC const char *luaT_objtypename (lua_State *L, const TValue *o); 59 60 LUAI_FUNC const TValue *luaT_gettm (Table *events, TMS event, TString *ename); 61 LUAI_FUNC const TValue *luaT_gettmbyobj (lua_State *L, const TValue *o, 62 TMS event); 63 LUAI_FUNC void luaT_init (lua_State *L); 64 65 LUAI_FUNC void luaT_callTM (lua_State *L, const TValue *f, const TValue *p1, 66 const TValue *p2, TValue *p3, int hasres); 67 LUAI_FUNC int luaT_callbinTM (lua_State *L, const TValue *p1, const TValue *p2, 68 StkId res, TMS event); 69 LUAI_FUNC void luaT_trybinTM (lua_State *L, const TValue *p1, const TValue *p2, 70 StkId res, TMS event); 71 LUAI_FUNC int luaT_callorderTM (lua_State *L, const TValue *p1, 72 const TValue *p2, TMS event); 73 74 75 76 #endif 77