summaryrefslogtreecommitdiff
path: root/ltm.h
blob: 21eff3964d16f2e30df20d05de3a9a6579a5cbc9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
/*
** $Id: ltm.h,v 2.1 2003/12/10 12:13:36 roberto Exp roberto $
** 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_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)


const TValue *luaT_gettm (Table *events, TMS event, TString *ename);
const TValue *luaT_gettmbyobj (lua_State *L, const TValue *o, TMS event);
void luaT_init (lua_State *L);

extern const char *const luaT_typenames[];

#endif