mirror of
https://github.com/mamedev/mame.git
synced 2024-11-16 07:48:32 +01:00
128 lines
4 KiB
C++
128 lines
4 KiB
C++
// The MIT License (MIT)
|
|
|
|
// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
|
|
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy of
|
|
// this software and associated documentation files (the "Software"), to deal in
|
|
// the Software without restriction, including without limitation the rights to
|
|
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
|
// the Software, and to permit persons to whom the Software is furnished to do so,
|
|
// subject to the following conditions:
|
|
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
|
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
|
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
|
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
#ifndef SOL_STACK_PROXY_HPP
|
|
#define SOL_STACK_PROXY_HPP
|
|
|
|
#include "stack.hpp"
|
|
#include "function.hpp"
|
|
#include "protected_function.hpp"
|
|
#include "proxy_base.hpp"
|
|
|
|
namespace sol {
|
|
struct stack_proxy : public proxy_base<stack_proxy> {
|
|
private:
|
|
lua_State* L;
|
|
int index;
|
|
|
|
public:
|
|
stack_proxy() : L(nullptr), index(0) {}
|
|
stack_proxy(lua_State* L, int index) : L(L), index(index) {}
|
|
|
|
template<typename T>
|
|
decltype(auto) get() const {
|
|
return stack::get<T>(L, stack_index());
|
|
}
|
|
|
|
int push() const {
|
|
return push(L);
|
|
}
|
|
|
|
int push(lua_State* Ls) const {
|
|
lua_pushvalue(Ls, index);
|
|
return 1;
|
|
}
|
|
|
|
lua_State* lua_state() const { return L; }
|
|
int stack_index() const { return index; }
|
|
|
|
template<typename... Ret, typename... Args>
|
|
decltype(auto) call(Args&&... args) {
|
|
return get<function>().template call<Ret...>(std::forward<Args>(args)...);
|
|
}
|
|
|
|
template<typename... Args>
|
|
decltype(auto) operator()(Args&&... args) {
|
|
return call<>(std::forward<Args>(args)...);
|
|
}
|
|
};
|
|
|
|
namespace stack {
|
|
template <>
|
|
struct getter<stack_proxy> {
|
|
static stack_proxy get(lua_State* L, int index = -1) {
|
|
return stack_proxy(L, index);
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct pusher<stack_proxy> {
|
|
static int push(lua_State*, const stack_proxy& ref) {
|
|
return ref.push();
|
|
}
|
|
};
|
|
} // stack
|
|
|
|
namespace detail {
|
|
template <>
|
|
struct is_speshul<function_result> : std::true_type {};
|
|
template <>
|
|
struct is_speshul<protected_function_result> : std::true_type {};
|
|
|
|
template <std::size_t I, typename... Args, typename T>
|
|
stack_proxy get(types<Args...>, index_value<0>, index_value<I>, const T& fr) {
|
|
return stack_proxy(fr.lua_state(), static_cast<int>(fr.stack_index() + I));
|
|
}
|
|
|
|
template <std::size_t I, std::size_t N, typename Arg, typename... Args, typename T, meta::enable<meta::boolean<(N > 0)>> = meta::enabler>
|
|
stack_proxy get(types<Arg, Args...>, index_value<N>, index_value<I>, const T& fr) {
|
|
return get(types<Args...>(), index_value<N - 1>(), index_value<I + lua_size<Arg>::value>(), fr);
|
|
}
|
|
}
|
|
|
|
template <>
|
|
struct tie_size<function_result> : std::integral_constant<std::size_t, SIZE_MAX> {};
|
|
|
|
template <std::size_t I>
|
|
stack_proxy get(const function_result& fr) {
|
|
return stack_proxy(fr.lua_state(), static_cast<int>(fr.stack_index() + I));
|
|
}
|
|
|
|
template <std::size_t I, typename... Args>
|
|
stack_proxy get(types<Args...> t, const function_result& fr) {
|
|
return detail::get(t, index_value<I>(), index_value<0>(), fr);
|
|
}
|
|
|
|
template <>
|
|
struct tie_size<protected_function_result> : std::integral_constant<std::size_t, SIZE_MAX> {};
|
|
|
|
template <std::size_t I>
|
|
stack_proxy get(const protected_function_result& fr) {
|
|
return stack_proxy(fr.lua_state(), static_cast<int>(fr.stack_index() + I));
|
|
}
|
|
|
|
template <std::size_t I, typename... Args>
|
|
stack_proxy get(types<Args...> t, const protected_function_result& fr) {
|
|
return detail::get(t, index_value<I>(), index_value<0>(), fr);
|
|
}
|
|
} // sol
|
|
|
|
#endif // SOL_STACK_PROXY_HPP
|