ltm.c-Dateireferenz

#include <string.h>
#include "lua.h"
#include "lobject.h"
#include "lstate.h"
#include "lstring.h"
#include "ltable.h"
#include "ltm.h"

Include-Abhängigkeitsdiagramm für ltm.c:

gehe zum Quellcode dieser Datei

Makrodefinitionen
#define	ltm_c
#define	LUA_CORE

Funktionen
LUAI_FUNC void	luaT_init (lua_State *L)
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)

Variablen
const char *const	luaT_typenames []

Makro-Dokumentation

#define ltm_c

Definiert in Zeile 10 der Datei ltm.c.

#define LUA_CORE

Definiert in Zeile 11 der Datei ltm.c.

Dokumentation der Funktionen

LUAI_FUNC const TValue* luaT_gettm	(	Table *	events,
		TMS	event,
		TString *	ename
	)

Definiert in Zeile 50 der Datei ltm.c.

                                                                              {
  const TValue *tm = luaH_getstr(events, ename);
  lua_assert(event <= TM_EQ);
  if (ttisnil(tm)) {  /* no tag method? */
    events->flags |= cast_byte(1u<<event);  /* cache this fact */
    return NULL;
  }
  else return tm;
}

LUAI_FUNC const TValue* luaT_gettmbyobj	(	lua_State *	L,
		const TValue *	o,
		TMS	event
	)

Definiert in Zeile 61 der Datei ltm.c.

                                                                                   {
  Table *mt;
  switch (ttype(o)) {
    case LUA_TTABLE:
      mt = hvalue(o)->metatable;
      break;
    case LUA_TUSERDATA:
      mt = uvalue(o)->metatable;
      break;
    default:
      mt = G(L)->mt[ttype(o)];
  }
  return (mt ? luaH_getstr(mt, G(L)->tmname[event]) : luaO_nilobject);
}

LUAI_FUNC void luaT_init

(

lua_State *

L)

Definiert in Zeile 30 der Datei ltm.c.

                                        {
  static const char *const luaT_eventname[] = {  /* ORDER TM */
    "__index", "__newindex",
    "__gc", "__mode", "__eq",
    "__add", "__sub", "__mul", "__div", "__mod",
    "__pow", "__unm", "__len", "__lt", "__le",
    "__concat", "__call"
  };
  int i;
  for (i=0; i<TM_N; i++) {
    G(L)->tmname[i] = luaS_new(L, luaT_eventname[i]);
    luaS_fix(G(L)->tmname[i]);  /* never collect these names */
  }
}

Variablen-Dokumentation

const char* const luaT_typenames[]

Initialisierung:

= {
  "nil", "boolean", "userdata", "number",
  "string", "table", "function", "userdata", "thread",
  "proto", "upval"
}

Definiert in Zeile 23 der Datei ltm.c.