mirror of
https://github.com/ThePhD/sol2.git
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80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
// The MIT License (MIT)
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// Copyright (c) 2013-2016 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_PROXY_HPP
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#define SOL_STACK_PROXY_HPP
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#include "stack.hpp"
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#include "proxy_base.hpp"
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namespace sol {
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struct stack_proxy : public proxy_base<stack_proxy> {
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private:
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lua_State* L;
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int index;
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public:
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stack_proxy() : L(nullptr), index(0){}
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stack_proxy(lua_State* L, int index) : L(L), index(index) {}
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template<typename T>
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decltype(auto) get() const {
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return stack::get<T>(L, stack_index());
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}
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int push () const {
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lua_pushvalue(L, index);
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return 1;
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}
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lua_State* lua_state() const { return L; }
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int stack_index() const { return index; }
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template<typename... Ret, typename... Args>
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decltype(auto) call(Args&&... args) {
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return get<function>().template call<Ret...>(std::forward<Args>(args)...);
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}
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template<typename... Args>
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decltype(auto) operator()(Args&&... args) {
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return call<>(std::forward<Args>(args)...);
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}
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};
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namespace stack {
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template <>
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struct getter<stack_proxy> {
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static stack_proxy get(lua_State* L, int index = -1) {
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return stack_proxy(L, index);
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}
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};
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template <>
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struct pusher<stack_proxy> {
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static int push(lua_State*, const stack_proxy& ref) {
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return ref.push();
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}
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};
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} // stack
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} // sol
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#endif // SOL_STACK_PROXY_HPP
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