module/lua/ltm.h

   1 /* BEGIN CSTYLED */
   2 /*
   3 ** $Id: ltm.h,v 2.11.1.1 2013/04/12 18:48:47 roberto Exp $
   4 ** Tag methods
   5 ** See Copyright Notice in lua.h
   6 */
   7
   8 #ifndef ltm_h
   9 #define ltm_h
  10
  11
  12 #include "lobject.h"
  13
  14
  15 /*
  16 * WARNING: if you change the order of this enumeration,
  17 * grep "ORDER TM"
  18 */
  19 typedef enum {
  20   TM_INDEX,
  21   TM_NEWINDEX,
  22   TM_GC,
  23   TM_MODE,
  24   TM_LEN,
  25   TM_EQ,  /* last tag method with `fast' access */
  26   TM_ADD,
  27   TM_SUB,
  28   TM_MUL,
  29   TM_DIV,
  30   TM_MOD,
  31   TM_POW,
  32   TM_UNM,
  33   TM_LT,
  34   TM_LE,
  35   TM_CONCAT,
  36   TM_CALL,
  37   TM_N          /* number of elements in the enum */
  38 } TMS;
  39
  40
  41
  42 #define gfasttm(g,et,e) ((et) == NULL ? NULL : \
  43   ((et)->flags & (1u<<(e))) ? NULL : luaT_gettm(et, e, (g)->tmname[e]))
  44
  45 #define fasttm(l,et,e)  gfasttm(G(l), et, e)
  46
  47 #define ttypename(x)    luaT_typenames_[(x) + 1]
  48 #define objtypename(x)  ttypename(ttypenv(x))
  49
  50 LUAI_DDEC const char *const luaT_typenames_[LUA_TOTALTAGS];
  51
  52
  53 LUAI_FUNC const TValue *luaT_gettm (Table *events, TMS event, TString *ename);
  54 LUAI_FUNC const TValue *luaT_gettmbyobj (lua_State *L, const TValue *o,
  55                                                        TMS event);
  56 LUAI_FUNC void luaT_init (lua_State *L);
  57
  58 #endif
  59 /* END CSTYLED */