root/lib/lua/ltm.h

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INCLUDED FROM

   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_GC,
  22   TM_MODE,
  23   TM_EQ,  /* last tag method with `fast' access */
  24   TM_ADD,
  25   TM_SUB,
  26   TM_MUL,
  27   TM_DIV,
  28   TM_MOD,
  29   TM_POW,
  30   TM_UNM,
  31   TM_LEN,
  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 LUAI_DATA const char *const luaT_typenames[];
  47 
  48 
  49 LUAI_FUNC const TValue *luaT_gettm (Table *events, TMS event, TString *ename);
  50 LUAI_FUNC const TValue *luaT_gettmbyobj (lua_State *L, const TValue *o,
  51                                                        TMS event);
  52 LUAI_FUNC void luaT_init (lua_State *L);
  53 
  54 #endif
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