mirror of
https://github.com/ThePhD/sol2.git
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79 lines
3.1 KiB
C++
79 lines
3.1 KiB
C++
// 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_FUNCTION_RESULT_HPP
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#define SOL_FUNCTION_RESULT_HPP
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#include <sol/protected_function_result.hpp>
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#include <sol/unsafe_function_result.hpp>
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#include <cstdint>
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namespace sol {
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namespace detail {
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template <>
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struct is_speshul<unsafe_function_result> : std::true_type { };
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template <>
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struct is_speshul<protected_function_result> : std::true_type { };
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template <std::size_t I, typename... Args, typename T>
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stack_proxy get(types<Args...>, meta::index_value<0>, meta::index_value<I>, const T& fr) {
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return stack_proxy(fr.lua_state(), fr.stack_index() + static_cast<int>(I));
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}
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template <std::size_t I, std::size_t N, typename Arg, typename... Args, typename T, meta::enable<meta::boolean<(N > 0)>> = meta::enabler>
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stack_proxy get(types<Arg, Args...>, meta::index_value<N>, meta::index_value<I>, const T& fr) {
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return get(types<Args...>(), meta::index_value<N - 1>(), meta::index_value<I + lua_size<Arg>::value>(), fr);
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}
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} // namespace detail
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template <>
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struct tie_size<unsafe_function_result> : std::integral_constant<std::size_t, SIZE_MAX> { };
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template <>
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struct tie_size<protected_function_result> : std::integral_constant<std::size_t, SIZE_MAX> { };
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template <std::size_t I>
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stack_proxy get(const unsafe_function_result& fr) {
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return stack_proxy(fr.lua_state(), fr.stack_index() + static_cast<int>(I));
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}
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template <std::size_t I, typename... Args>
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stack_proxy get(types<Args...> t, const unsafe_function_result& fr) {
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return detail::get(t, meta::index_value<I>(), meta::index_value<0>(), fr);
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}
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template <std::size_t I>
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stack_proxy get(const protected_function_result& fr) {
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return stack_proxy(fr.lua_state(), fr.stack_index() + static_cast<int>(I));
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}
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template <std::size_t I, typename... Args>
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stack_proxy get(types<Args...> t, const protected_function_result& fr) {
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return detail::get(t, meta::index_value<I>(), meta::index_value<0>(), fr);
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}
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} // namespace sol
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#endif // SOL_FUNCTION_RESULT_HPP
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