52 lines
1.9 KiB
C++
52 lines
1.9 KiB
C++
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// sol2
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// The MIT License (MIT)
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// Copyright (c) 2013-2022 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_POP_HPP
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#define SOL_STACK_POP_HPP
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#include <sol/stack_core.hpp>
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#include <sol/stack_get.hpp>
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#include <utility>
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#include <tuple>
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namespace sol { namespace stack {
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template <typename T, typename>
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struct popper {
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inline static decltype(auto) pop(lua_State* L) {
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if constexpr (is_stack_based_v<meta::unqualified_t<T>>) {
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static_assert(!is_stack_based_v<meta::unqualified_t<T>>,
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"You cannot pop something that lives solely on the stack: it will not remain on the stack when popped and thusly will go out of "
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"scope!");
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}
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else {
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record tracking {};
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decltype(auto) r = get<T>(L, -lua_size<T>::value, tracking);
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lua_pop(L, tracking.used);
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return r;
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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_POP_HPP
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