C++ (Cpp) LUABIND_CHECK_STACK Examples

Example #1

File: scope.cpp Project: ValyriaTear/luabind

 void scope::register_(lua_State* L) const
 {
     for (detail::registration* r = m_chain; r != 0; r = r->m_next)
     {
         LUABIND_CHECK_STACK(L);
         r->register_(L);
     }
 }

Example #2

File: ref.cpp Project: 2asoft/xray-16

	void LUABIND_API unref(lua_State *L, int ref)
	{
		LUABIND_CHECK_STACK(L);

		int t = LUA_REGISTRYINDEX;
		if (ref >= 0) {
			lua_rawgeti(L, t, FREELIST_REF);
			lua_rawseti(L, t, ref);  /* t[ref] = t[FREELIST_REF] */
			lua_pushnumber(L, ref);
			lua_rawseti(L, t, FREELIST_REF);  /* t[FREELIST_REF] = ref */
		}
	}

Example #3

File: object_funs.hpp Project: ChaosCoo/NoahGameFrame

		inline T object_cast_impl(const Obj& obj, const Policies&)
		{
			if (obj.lua_state() == 0) 
			{
#ifndef LUABIND_NO_EXCEPTIONS
				throw cast_failed(0, typeid(T));
#else
				lua_State* L = obj.lua_state();
				cast_failed_callback_fun e = get_cast_failed_callback();
				if (e) e(L, typeid(T));

				assert(0 && "object_cast failed. If you want to handle this error use luabind::set_error_callback()");
				std::terminate();
#endif
			}

			LUABIND_CHECK_STACK(obj.lua_state());

			typedef typename detail::find_conversion_policy<0, Policies>::type converter_policy;
			typename mpl::apply_wrap2<converter_policy,T,lua_to_cpp>::type converter;

			obj.pushvalue();

			lua_State* L = obj.lua_state();
			detail::stack_pop p(L, 1);

#ifndef LUABIND_NO_ERROR_CHECKING

			if (converter.match(L, LUABIND_DECORATE_TYPE(T), -1) < 0)
			{
#ifndef LUABIND_NO_EXCEPTIONS
				throw cast_failed(L, typeid(T));
#else
				cast_failed_callback_fun e = get_cast_failed_callback();
				if (e) e(L, typeid(T));

				assert(0 && "object_cast failed. If you want to handle this error use luabind::set_error_callback()");
				std::terminate();
#endif
			}
#endif

			return converter.apply(L, LUABIND_DECORATE_TYPE(T), -1);
		}

Example #4

File: object_funs.hpp Project: ChaosCoo/NoahGameFrame

		boost::optional<T> object_cast_nothrow_impl(const Obj& obj, const Policies&)
		{
			typedef typename detail::find_conversion_policy<0, Policies>::type converter_policy;
			typename mpl::apply_wrap2<converter_policy,T,lua_to_cpp>::type converter;

			if (obj.lua_state() == 0) return boost::optional<T>();
			LUABIND_CHECK_STACK(obj.lua_state());

			obj.pushvalue();

			lua_State* L = obj.lua_state();
			detail::stack_pop p(L, 1);

#ifndef LUABIND_NO_ERROR_CHECKING

			if (converter.match(L, LUABIND_DECORATE_TYPE(T), -1) < 0)
				return boost::optional<T>();
#endif

			return boost::optional<T>(converter.apply(L, LUABIND_DECORATE_TYPE(T), -1));
		}

Example #5

File: scope.cpp Project: Cosmotronic/hexahedra

        void register_(lua_State* L) const
        {
			LUABIND_CHECK_STACK(L);
            assert(lua_gettop(L) >= 1);

            lua_pushstring(L, m_name);
            lua_gettable(L, -2);

			detail::stack_pop p(L, 1); // pops the table on exit

            if (!lua_istable(L, -1))
            {
                lua_pop(L, 1);

                lua_newtable(L);
                lua_pushstring(L, m_name);
                lua_pushvalue(L, -2);
                lua_settable(L, -4);
            }

            m_scope.register_(L);
        }