mirror of
https://github.com/ThePhD/sol2.git
synced 2024-03-22 13:10:44 +08:00
e69e7c79fa
added variadic_results, to return a variable number of arguments to Lua added variadic_results and as_results added improved function examples (for multiple results and split overloading out) added tests for variadics added tests for C++17 utilities added a forwarding header added a specific `unsafe_function` header added and improved documetation pages
77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
// The MIT License (MIT)
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// Copyright (c) 2013-2017 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_HPP
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#define SOL_FUNCTION_HPP
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#include "unsafe_function.hpp"
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#include "protected_function.hpp"
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#include "stack.hpp"
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#include <functional>
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namespace sol {
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namespace stack {
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template<typename Signature>
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struct getter<std::function<Signature>> {
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typedef meta::bind_traits<Signature> fx_t;
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typedef typename fx_t::args_list args_lists;
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typedef meta::tuple_types<typename fx_t::return_type> return_types;
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template<typename... Args, typename... Ret>
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static std::function<Signature> get_std_func(types<Ret...>, types<Args...>, lua_State* L, int index) {
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sol::function f(L, index);
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auto fx = [f, L, index](Args&&... args) -> meta::return_type_t<Ret...> {
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return f.call<Ret...>(std::forward<Args>(args)...);
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};
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return std::move(fx);
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}
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template<typename... FxArgs>
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static std::function<Signature> get_std_func(types<void>, types<FxArgs...>, lua_State* L, int index) {
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sol::function f(L, index);
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auto fx = [f, L, index](FxArgs&&... args) -> void {
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f(std::forward<FxArgs>(args)...);
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};
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return std::move(fx);
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}
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template<typename... FxArgs>
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static std::function<Signature> get_std_func(types<>, types<FxArgs...> t, lua_State* L, int index) {
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return get_std_func(types<void>(), t, L, index);
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}
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static std::function<Signature> get(lua_State* L, int index, record& tracking) {
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tracking.last = 1;
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tracking.used += 1;
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type t = type_of(L, index);
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if (t == type::none || t == type::lua_nil) {
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return nullptr;
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}
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return get_std_func(return_types(), args_lists(), L, index);
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}
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};
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} // stack
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} // sol
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#endif // SOL_FUNCTION_HPP
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