ltm.h

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/*
** $Id: ltm.h,v 2.22.1.1 2017/04/19 17:20:42 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" and "ORDER OP"
*/
typedef enum {
 TM_INDEX,
 TM_NEWINDEX,
 TM_GC,
 TM_MODE,
 TM_LEN,
 TM_EQ, /* last tag method with fast access */
 TM_ADD,
 TM_SUB,
 TM_MUL,
 TM_MOD,
 TM_POW,
 TM_DIV,
 TM_IDIV,
 TM_BAND,
 TM_BOR,
 TM_BXOR,
 TM_SHL,
 TM_SHR,
 TM_UNM,
 TM_BNOT,
 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)

#define ttypename(x) luaT_typenames_[(x) + 1]

LUAI_DDEC const char *const luaT_typenames_[LUA_TOTALTAGS];


LUAI_FUNC const char *luaT_objtypename (lua_State *L, const TValue *o);

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);

LUAI_FUNC void luaT_callTM (lua_State *L, const TValue *f, const TValue *p1,
 const TValue *p2, TValue *p3, int hasres);
LUAI_FUNC int luaT_callbinTM (lua_State *L, const TValue *p1, const TValue *p2,
 StkId res, TMS event);
LUAI_FUNC void luaT_trybinTM (lua_State *L, const TValue *p1, const TValue *p2,
 StkId res, TMS event);
LUAI_FUNC int luaT_callorderTM (lua_State *L, const TValue *p1,
 const TValue *p2, TMS event);



#endif