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Diffstat (limited to 'deps/sol2/include/sol/coroutine.hpp')
-rw-r--r-- | deps/sol2/include/sol/coroutine.hpp | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/deps/sol2/include/sol/coroutine.hpp b/deps/sol2/include/sol/coroutine.hpp deleted file mode 100644 index b4c845d..0000000 --- a/deps/sol2/include/sol/coroutine.hpp +++ /dev/null @@ -1,248 +0,0 @@ -// sol3 - -// The MIT License (MIT) - -// Copyright (c) 2013-2019 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_COROUTINE_HPP -#define SOL_COROUTINE_HPP - -#include "reference.hpp" -#include "object.hpp" -#include "stack.hpp" -#include "function_result.hpp" -#include "thread.hpp" -#include "protected_handler.hpp" - -namespace sol { - template <typename ref_t> - class basic_coroutine : public basic_object<ref_t> { - private: - using base_t = basic_object<ref_t>; - - public: - typedef reference handler_t; - handler_t error_handler; - - private: - call_status stats = call_status::yielded; - - void luacall(std::ptrdiff_t argcount, std::ptrdiff_t) { -#if SOL_LUA_VERSION >= 504 - int nresults; - stats = static_cast<call_status>(lua_resume(lua_state(), nullptr, static_cast<int>(argcount), &nresults)); -#else - stats = static_cast<call_status>(lua_resume(lua_state(), nullptr, static_cast<int>(argcount))); -#endif - } - - template <std::size_t... I, typename... Ret> - auto invoke(types<Ret...>, std::index_sequence<I...>, std::ptrdiff_t n) { - luacall(n, sizeof...(Ret)); - return stack::pop<std::tuple<Ret...>>(lua_state()); - } - - template <std::size_t I, typename Ret> - Ret invoke(types<Ret>, std::index_sequence<I>, std::ptrdiff_t n) { - luacall(n, 1); - return stack::pop<Ret>(lua_state()); - } - - template <std::size_t I> - void invoke(types<void>, std::index_sequence<I>, std::ptrdiff_t n) { - luacall(n, 0); - } - - protected_function_result invoke(types<>, std::index_sequence<>, std::ptrdiff_t n) { - int firstreturn = 1; - luacall(n, LUA_MULTRET); - int poststacksize = lua_gettop(this->lua_state()); - int returncount = poststacksize - (firstreturn - 1); - if (error()) { - if (error_handler.valid()) { - string_view err = stack::get<string_view>(this->lua_state(), poststacksize); - error_handler.push(); - stack::push(this->lua_state(), err); - lua_call(lua_state(), 1, 1); - } - return protected_function_result(this->lua_state(), lua_absindex(this->lua_state(), -1), 1, returncount, status()); - } - return protected_function_result(this->lua_state(), firstreturn, returncount, returncount, status()); - } - - public: - using base_t::lua_state; - - basic_coroutine() = default; - template <typename T, meta::enable<meta::neg<std::is_same<meta::unqualified_t<T>, basic_coroutine>>, meta::neg<std::is_base_of<proxy_base_tag, meta::unqualified_t<T>>>, meta::neg<std::is_same<base_t, stack_reference>>, meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler> - basic_coroutine(T&& r) noexcept - : base_t(std::forward<T>(r)), error_handler(detail::get_default_handler<reference, is_main_threaded<base_t>::value>(r.lua_state())) { -#if defined(SOL_SAFE_REFERENCES) && SOL_SAFE_REFERENCES - if (!is_function<meta::unqualified_t<T>>::value) { - auto pp = stack::push_pop(*this); - constructor_handler handler{}; - stack::check<basic_coroutine>(lua_state(), -1, handler); - } -#endif // Safety - } - basic_coroutine(const basic_coroutine&) = default; - basic_coroutine& operator=(const basic_coroutine&) = default; - basic_coroutine(basic_coroutine&&) = default; - basic_coroutine& operator=(basic_coroutine&&) = default; - basic_coroutine(const basic_function<base_t>& b) - : basic_coroutine(b, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(b.lua_state())) { - } - basic_coroutine(basic_function<base_t>&& b) - : basic_coroutine(std::move(b), detail::get_default_handler<reference, is_main_threaded<base_t>::value>(b.lua_state())) { - } - basic_coroutine(const basic_function<base_t>& b, handler_t eh) - : base_t(b), error_handler(std::move(eh)) { - } - basic_coroutine(basic_function<base_t>&& b, handler_t eh) - : base_t(std::move(b)), error_handler(std::move(eh)) { - } - basic_coroutine(const stack_reference& r) - : basic_coroutine(r.lua_state(), r.stack_index(), detail::get_default_handler<reference, is_main_threaded<base_t>::value>(r.lua_state())) { - } - basic_coroutine(stack_reference&& r) - : basic_coroutine(r.lua_state(), r.stack_index(), detail::get_default_handler<reference, is_main_threaded<base_t>::value>(r.lua_state())) { - } - basic_coroutine(const stack_reference& r, handler_t eh) - : basic_coroutine(r.lua_state(), r.stack_index(), std::move(eh)) { - } - basic_coroutine(stack_reference&& r, handler_t eh) - : basic_coroutine(r.lua_state(), r.stack_index(), std::move(eh)) { - } - - template <typename Super> - basic_coroutine(const proxy_base<Super>& p) - : basic_coroutine(p, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(p.lua_state())) { - } - template <typename Super> - basic_coroutine(proxy_base<Super>&& p) - : basic_coroutine(std::move(p), detail::get_default_handler<reference, is_main_threaded<base_t>::value>(p.lua_state())) { - } - template <typename Proxy, typename Handler, meta::enable<std::is_base_of<proxy_base_tag, meta::unqualified_t<Proxy>>, meta::neg<is_lua_index<meta::unqualified_t<Handler>>>> = meta::enabler> - basic_coroutine(Proxy&& p, Handler&& eh) - : basic_coroutine(detail::force_cast<base_t>(p), std::forward<Handler>(eh)) { - } - - template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler> - basic_coroutine(lua_State* L, T&& r) - : basic_coroutine(L, std::forward<T>(r), detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) { - } - template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler> - basic_coroutine(lua_State* L, T&& r, handler_t eh) - : base_t(L, std::forward<T>(r)), error_handler(std::move(eh)) { -#if defined(SOL_SAFE_REFERENCES) && SOL_SAFE_REFERENCES - auto pp = stack::push_pop(*this); - constructor_handler handler{}; - stack::check<basic_coroutine>(lua_state(), -1, handler); -#endif // Safety - } - - basic_coroutine(lua_nil_t n) - : base_t(n), error_handler(n) { - } - - basic_coroutine(lua_State* L, int index = -1) - : basic_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) { - } - basic_coroutine(lua_State* L, int index, handler_t eh) - : base_t(L, index), error_handler(std::move(eh)) { -#ifdef SOL_SAFE_REFERENCES - constructor_handler handler{}; - stack::check<basic_coroutine>(L, index, handler); -#endif // Safety - } - basic_coroutine(lua_State* L, absolute_index index) - : basic_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) { - } - basic_coroutine(lua_State* L, absolute_index index, handler_t eh) - : base_t(L, index), error_handler(std::move(eh)) { -#if defined(SOL_SAFE_REFERENCES) && SOL_SAFE_REFERENCES - constructor_handler handler{}; - stack::check<basic_coroutine>(L, index, handler); -#endif // Safety - } - basic_coroutine(lua_State* L, raw_index index) - : basic_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) { - } - basic_coroutine(lua_State* L, raw_index index, handler_t eh) - : base_t(L, index), error_handler(std::move(eh)) { -#if defined(SOL_SAFE_REFERENCES) && SOL_SAFE_REFERENCES - constructor_handler handler{}; - stack::check<basic_coroutine>(L, index, handler); -#endif // Safety - } - basic_coroutine(lua_State* L, ref_index index) - : basic_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) { - } - basic_coroutine(lua_State* L, ref_index index, handler_t eh) - : base_t(L, index), error_handler(std::move(eh)) { -#if defined(SOL_SAFE_REFERENCES) && SOL_SAFE_REFERENCES - auto pp = stack::push_pop(*this); - constructor_handler handler{}; - stack::check<basic_coroutine>(lua_state(), -1, handler); -#endif // Safety - } - - call_status status() const noexcept { - return stats; - } - - bool error() const noexcept { - call_status cs = status(); - return cs != call_status::ok && cs != call_status::yielded; - } - - bool runnable() const noexcept { - return base_t::valid() - && (status() == call_status::yielded); - } - - explicit operator bool() const noexcept { - return runnable(); - } - - template <typename... Args> - protected_function_result operator()(Args&&... args) { - return call<>(std::forward<Args>(args)...); - } - - template <typename... Ret, typename... Args> - decltype(auto) operator()(types<Ret...>, Args&&... args) { - return call<Ret...>(std::forward<Args>(args)...); - } - - template <typename... Ret, typename... Args> - decltype(auto) call(Args&&... args) { - // some users screw up coroutine.create - // and try to use it with sol::coroutine without ever calling the first resume in Lua - // this makes the stack incompatible with other kinds of stacks: protect against this - // make sure coroutines don't screw us over - base_t::push(); - int pushcount = stack::multi_push_reference(lua_state(), std::forward<Args>(args)...); - return invoke(types<Ret...>(), std::make_index_sequence<sizeof...(Ret)>(), pushcount); - } - }; -} // namespace sol - -#endif // SOL_COUROUTINE_HPP |