/*

** $Id: ltm.h,v 2.6.1.1 2007/12/27 13:02:25 roberto Exp $

** Tag methods

** See Copyright Notice in lua.h

*/

#ifndef ltm_h

#define ltm_h

#include "lobject.h"

/*

* WARNING: if you change the order of this enumeration,

* grep "ORDER TM"

*/

typedef enum {

  TM_INDEX,

  TM_NEWINDEX,

  TM_GC,

  TM_MODE,

  TM_EQ,  /* last tag method with `fast' access */

  TM_ADD,

  TM_SUB,

  TM_MUL,

  TM_DIV,

  TM_MOD,

  TM_POW,

  TM_UNM,

  TM_LEN,

  TM_LT,

  TM_LE,

  TM_CONCAT,

  TM_CALL,

  TM_N      /* number of elements in the enum */

} TMS;

#define gfasttm(g,et,e) ((et) == NULL ? NULL : \

  ((et)->flags & (1u<<(e))) ? NULL : luaT_gettm(et, e, (g)->tmname[e]))

#define fasttm(l,et,e)  gfasttm(G(l), et, e)

LUAI_DATA const char *const luaT_typenames[];

LUAI_FUNC const TValue *luaT_gettm (Table *events, TMS event, TString *ename);

LUAI_FUNC const TValue *luaT_gettmbyobj (lua_State *L, const TValue *o,

                                                       TMS event);

LUAI_FUNC void luaT_init (lua_State *L);

#endif