src/ltm.h

   1 /*
   2 ** $Id: ltm.h,v 2.6.1.1 2007/12/27 13:02:25 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_USEDINDEX,
  22   TM_GC,
  23   TM_MODE,
  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_LEN,
  33   TM_LT,
  34   TM_LE,
  35   TM_CONCAT,
  36   TM_CALL,
  37   TM_STRHOOK,
  38   TM_AND,
  39   TM_OR,
  40   TM_XOR,
  41   TM_SHL,
  42   TM_SHR,
  43   TM_NOT,
  44   TM_N          /* number of elements in the enum */
  45 } TMS;
  46
  47
  48
  49 #define gfasttm(g,et,e) ((et) == NULL ? NULL : \
  50   ((et)->flags & (1u<<(e))) ? NULL : luaT_gettm(et, e, (g)->tmname[e]))
  51
  52 #define fasttm(l,et,e)  gfasttm(G(l), et, e)
  53
  54 LUAI_DATA const char *const luaT_typenames[];
  55
  56
  57 LUAI_FUNC const TValue *luaT_gettm (Table *events, TMS event, TString *ename);
  58 LUAI_FUNC const TValue *luaT_gettmbyobj (lua_State *L, const TValue *o,
  59                                                        TMS event);
  60 LUAI_FUNC void luaT_init (lua_State *L);
  61
  62 #endif