Bazaar developer reference

    CvLuaScopedInstance::GetInstance(lua_State *, int, bool)

    Defined in
    Lua/CvLuaScopedInstance.h, line 126
    Class
    CvLuaScopedInstance
    Not a hook point
    written in a header

    Code

    125template<class Derived, class InstanceType>126InstanceType* CvLuaScopedInstance<Derived, InstanceType>::GetInstance(lua_State* L, int idx, bool bErrorOnFail)127{128	const int stack_size = lua_gettop(L);129	bool bFail = true;130131	InstanceType* pkInstance = NULL;132	if(lua_type(L, idx) == LUA_TTABLE)133	{134		lua_getfield(L, idx, "__instance");135		if(lua_type(L, -1) == LUA_TLIGHTUSERDATA)136		{137			pkInstance = static_cast<InstanceType*>(lua_touserdata(L, -1));138			if(pkInstance)139			{140				bFail = false;141			}142		}143	}144145	lua_settop(L, stack_size);146147	if(bFail && bErrorOnFail)148	{149		if(idx == 1)150			luaL_error(L, "Not a valid instance.  Either the instance is NULL or you used '.' instead of ':'.");151		Derived::HandleMissingInstance(L);152	}153	return pkInstance;154}

    Calls