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Commit	Line	Data
	1	/*
	2	** $Id: ltm.h,v 2.11 2011/02/28 17:32:10 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_LEN,
	24	TM_EQ, /* last tag method with `fast' access */
	25	TM_ADD,
	26	TM_SUB,
	27	TM_MUL,
	28	TM_DIV,
	29	TM_MOD,
	30	TM_POW,
	31	TM_UNM,
	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	#define ttypename(x) luaT_typenames_[(x) + 1]
	47	#define objtypename(x) ttypename(ttypenv(x))
	48
	49	LUAI_DDEC const char *const luaT_typenames_[LUA_TOTALTAGS];
	50
	51
	52	LUAI_FUNC const TValue luaT_gettm (Table events, TMS event, TString *ename);
	53	LUAI_FUNC const TValue luaT_gettmbyobj (lua_State L, const TValue *o,
	54	TMS event);
	55	LUAI_FUNC void luaT_init (lua_State *L);
	56
	57	#endif