/*
** $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