mirror of
https://github.com/ThePhD/sol2.git
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8039dd22a6
add new shared_ptr differentiation mechanism that persists between DLLs (fixes #661) change valid Lua version to handle Lua 5.4.0-work1 (fixes #649) remove upper limit on MSVC version: they're not fixing it anytime soon (fixes #655) add integer value for definition (fixes #651)
53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
// sol2
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// The MIT License (MIT)
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// Copyright (c) 2013-2018 Rapptz, ThePhD and contributors
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef SOL_STACK_CHECK_QUALIFIED_GET_HPP
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#define SOL_STACK_CHECK_QUALIFIED_GET_HPP
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#include "stack_core.hpp"
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#include "stack_get.hpp"
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#include "stack_check.hpp"
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#include "optional.hpp"
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#include <cstdlib>
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#include <cmath>
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namespace sol {
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namespace stack {
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template <typename T, typename C>
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struct qualified_check_getter {
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typedef decltype(stack_detail::unchecked_get<T>(nullptr, 0, std::declval<record&>())) R;
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template <typename Handler>
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static optional<R> get(lua_State* L, int index, Handler&& handler, record& tracking) {
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if (!check<T>(L, index, std::forward<Handler>(handler))) {
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tracking.use(static_cast<int>(!lua_isnone(L, index)));
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return nullopt;
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}
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return stack_detail::unchecked_get<T>(L, index, tracking);
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}
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};
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}
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} // namespace sol::stack
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#endif // SOL_STACK_CHECK_QUALIFIED_GET_HPP
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