mirror of
https://github.com/lua/lua.git
synced 2024-12-05 08:03:25 +08:00
63 lines
1.1 KiB
C
63 lines
1.1 KiB
C
/*
|
|
** $Id: ltm.h,v 1.7 1999/09/20 14:57:29 roberto Exp roberto $
|
|
** Tag methods
|
|
** See Copyright Notice in lua.h
|
|
*/
|
|
|
|
#ifndef ltm_h
|
|
#define ltm_h
|
|
|
|
|
|
#include "lobject.h"
|
|
#include "lstate.h"
|
|
|
|
/*
|
|
* WARNING: if you change the order of this enumeration,
|
|
* grep "ORDER IM"
|
|
*/
|
|
typedef enum {
|
|
IM_GETTABLE = 0,
|
|
IM_SETTABLE,
|
|
IM_INDEX,
|
|
IM_GETGLOBAL,
|
|
IM_SETGLOBAL,
|
|
IM_ADD,
|
|
IM_SUB,
|
|
IM_MUL,
|
|
IM_DIV,
|
|
IM_POW,
|
|
IM_UNM,
|
|
IM_LT,
|
|
IM_LE,
|
|
IM_GT,
|
|
IM_GE,
|
|
IM_CONCAT,
|
|
IM_GC,
|
|
IM_FUNCTION
|
|
} IMS;
|
|
|
|
#define IM_N 18
|
|
|
|
|
|
struct IM {
|
|
TObject int_method[IM_N];
|
|
};
|
|
|
|
|
|
#define luaT_getim(L,tag,event) (&L->IMtable[-(tag)].int_method[event])
|
|
#define luaT_getimbyObj(L,o,e) (luaT_getim(L, luaT_effectivetag(o),(e)))
|
|
|
|
extern const char *const luaT_eventname[];
|
|
|
|
|
|
void luaT_init (lua_State *L);
|
|
void luaT_realtag (lua_State *L, int tag);
|
|
int luaT_effectivetag (const TObject *o);
|
|
void luaT_settagmethod (lua_State *L, int t, const char *event, TObject *func);
|
|
const TObject *luaT_gettagmethod (lua_State *L, int t, const char *event);
|
|
const char *luaT_travtagmethods (lua_State *L, int (*fn)(lua_State *, TObject *));
|
|
|
|
int luaT_validevent (int t, int e);
|
|
|
|
#endif
|