sol2/sol/userdata.hpp

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// The MIT License (MIT)
// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifndef SOL_USERDATA_HPP
#define SOL_USERDATA_HPP
#include "object_base.hpp"
#include "table.hpp"
namespace sol {
template <typename base_type>
class basic_userdata : public basic_table<base_type> {
typedef basic_table<base_type> base_t;
public:
using base_t::lua_state;
basic_userdata() noexcept = default;
template <typename T, meta::enable<meta::neg<std::is_same<meta::unqualified_t<T>, basic_userdata>>, meta::neg<std::is_same<base_t, stack_reference>>, std::is_base_of<base_type, meta::unqualified_t<T>>> = meta::enabler>
basic_userdata(T&& r) noexcept : base_t(std::forward<T>(r)) {
#ifdef SOL_CHECK_ARGUMENTS
if (!is_userdata<meta::unqualified_t<T>>::value) {
auto pp = stack::push_pop(*this);
type_assert(lua_state(), -1, type::userdata);
}
#endif // Safety
}
basic_userdata(const basic_userdata&) = default;
basic_userdata(basic_userdata&&) = default;
basic_userdata& operator=(const basic_userdata&) = default;
basic_userdata& operator=(basic_userdata&&) = default;
basic_userdata(const stack_reference& r) : basic_userdata(r.lua_state(), r.stack_index()) {}
basic_userdata(stack_reference&& r) : basic_userdata(r.lua_state(), r.stack_index()) {}
template <typename T, meta::enable<meta::neg<std::is_integral<meta::unqualified_t<T>>>, meta::neg<std::is_same<meta::unqualified_t<T>, ref_index>>> = meta::enabler>
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basic_userdata(lua_State* L, T&& r) : basic_userdata(L, sol::ref_index(r.registry_index())) {}
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basic_userdata(lua_State* L, int index = -1) : base_t(detail::no_safety, L, index) {
#ifdef SOL_CHECK_ARGUMENTS
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stack::check<basic_userdata>(L, index, type_panic);
#endif // Safety
}
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basic_userdata(lua_State* L, ref_index index) : base_t(detail::no_safety, L, index) {
#ifdef SOL_CHECK_ARGUMENTS
auto pp = stack::push_pop(*this);
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stack::check<basic_userdata>(L, index, type_panic);
#endif // Safety
}
};
template <typename base_type>
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class basic_lightuserdata : public basic_object_base<base_type> {
typedef basic_object_base<base_type> base_t;
public:
using base_t::lua_state;
basic_lightuserdata() noexcept = default;
template <typename T, meta::enable<meta::neg<std::is_same<meta::unqualified_t<T>, basic_lightuserdata>>, meta::neg<std::is_same<base_t, stack_reference>>, std::is_base_of<base_type, meta::unqualified_t<T>>> = meta::enabler>
basic_lightuserdata(T&& r) noexcept : base_t(std::forward<T>(r)) {
#ifdef SOL_CHECK_ARGUMENTS
if (!is_lightuserdata<meta::unqualified_t<T>>::value) {
auto pp = stack::push_pop(*this);
type_assert(lua_state(), -1, type::lightuserdata);
}
#endif // Safety
}
basic_lightuserdata(const basic_lightuserdata&) = default;
basic_lightuserdata(basic_lightuserdata&&) = default;
basic_lightuserdata& operator=(const basic_lightuserdata&) = default;
basic_lightuserdata& operator=(basic_lightuserdata&&) = default;
basic_lightuserdata(const stack_reference& r) : basic_lightuserdata(r.lua_state(), r.stack_index()) {}
basic_lightuserdata(stack_reference&& r) : basic_lightuserdata(r.lua_state(), r.stack_index()) {}
template <typename T, meta::enable<meta::neg<std::is_integral<meta::unqualified_t<T>>>, meta::neg<std::is_same<meta::unqualified_t<T>, ref_index>>> = meta::enabler>
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basic_lightuserdata(lua_State* L, T&& r) : basic_lightuserdata(L, sol::ref_index(r.registry_index())) {}
basic_lightuserdata(lua_State* L, int index = -1) : base_t(L, index) {
#ifdef SOL_CHECK_ARGUMENTS
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stack::check<basic_lightuserdata>(L, index, type_panic);
#endif // Safety
}
basic_lightuserdata(lua_State* L, ref_index index) : base_t(L, index) {
#ifdef SOL_CHECK_ARGUMENTS
auto pp = stack::push_pop(*this);
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stack::check<basic_lightuserdata>(L, index, type_panic);
#endif // Safety
}
};
} // sol
#endif // SOL_USERDATA_HPP