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Diffstat (limited to '3rdparty/sol2/sol/stack_check.hpp')
-rw-r--r-- | 3rdparty/sol2/sol/stack_check.hpp | 385 |
1 files changed, 0 insertions, 385 deletions
diff --git a/3rdparty/sol2/sol/stack_check.hpp b/3rdparty/sol2/sol/stack_check.hpp deleted file mode 100644 index 82739c831a7..00000000000 --- a/3rdparty/sol2/sol/stack_check.hpp +++ /dev/null @@ -1,385 +0,0 @@ -// 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_CHECK_HPP -#define SOL_STACK_CHECK_HPP - -#include "stack_core.hpp" -#include "usertype_traits.hpp" -#include "inheritance.hpp" -#include <memory> -#include <functional> -#include <utility> - -namespace sol { - namespace stack { - namespace stack_detail { - template <typename T, bool poptable = true> - inline bool check_metatable(lua_State* L, int index = -2) { - const auto& metakey = usertype_traits<T>::metatable(); - luaL_getmetatable(L, &metakey[0]); - const type expectedmetatabletype = static_cast<type>(lua_type(L, -1)); - if (expectedmetatabletype != type::lua_nil) { - if (lua_rawequal(L, -1, index) == 1) { - lua_pop(L, 1 + static_cast<int>(poptable)); - return true; - } - } - lua_pop(L, 1); - return false; - } - - template <type expected, int(*check_func)(lua_State*, int)> - struct basic_check { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&& handler, record& tracking) { - tracking.use(1); - bool success = check_func(L, index) == 1; - if (!success) { - // expected type, actual type - handler(L, index, expected, type_of(L, index)); - } - return success; - } - }; - } // stack_detail - - template <typename T, type expected, typename> - struct checker { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&& handler, record& tracking) { - tracking.use(1); - const type indextype = type_of(L, index); - bool success = expected == indextype; - if (!success) { - // expected type, actual type - handler(L, index, expected, indextype); - } - return success; - } - }; - - template<typename T> - struct checker<T, type::number, std::enable_if_t<std::is_integral<T>::value>> { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&& handler, record& tracking) { - tracking.use(1); - bool success = lua_isinteger(L, index) == 1; - if (!success) { - // expected type, actual type - handler(L, index, type::number, type_of(L, index)); - } - return success; - } - }; - - template<typename T> - struct checker<T, type::number, std::enable_if_t<std::is_floating_point<T>::value>> { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&& handler, record& tracking) { - tracking.use(1); - bool success = lua_isnumber(L, index) == 1; - if (!success) { - // expected type, actual type - handler(L, index, type::number, type_of(L, index)); - } - return success; - } - }; - - template <type expected, typename C> - struct checker<lua_nil_t, expected, C> { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&& handler, record& tracking) { - bool success = lua_isnil(L, index); - if (success) { - tracking.use(1); - return success; - } - tracking.use(0); - success = lua_isnone(L, index); - if (!success) { - // expected type, actual type - handler(L, index, expected, type_of(L, index)); - } - return success; - } - }; - - template <type expected, typename C> - struct checker<nullopt_t, expected, C> : checker<lua_nil_t> {}; - - template <typename C> - struct checker<this_state, type::poly, C> { - template <typename Handler> - static bool check(lua_State*, int, Handler&&, record& tracking) { - tracking.use(0); - return true; - } - }; - - template <typename C> - struct checker<variadic_args, type::poly, C> { - template <typename Handler> - static bool check(lua_State*, int, Handler&&, record& tracking) { - tracking.use(0); - return true; - } - }; - - template <typename C> - struct checker<type, type::poly, C> { - template <typename Handler> - static bool check(lua_State*, int, Handler&&, record& tracking) { - tracking.use(0); - return true; - } - }; - - template <typename T, typename C> - struct checker<T, type::poly, C> { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&& handler, record& tracking) { - tracking.use(1); - bool success = !lua_isnone(L, index); - if (!success) { - // expected type, actual type - handler(L, index, type::none, type_of(L, index)); - } - return success; - } - }; - - template <typename T, typename C> - struct checker<T, type::lightuserdata, C> { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&& handler, record& tracking) { - tracking.use(1); - type t = type_of(L, index); - bool success = t == type::userdata || t == type::lightuserdata; - if (!success) { - // expected type, actual type - handler(L, index, type::lightuserdata, t); - } - return success; - } - }; - - template <typename C> - struct checker<userdata_value, type::userdata, C> { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&& handler, record& tracking) { - tracking.use(1); - type t = type_of(L, index); - bool success = t == type::userdata; - if (!success) { - // expected type, actual type - handler(L, index, type::userdata, t); - } - return success; - } - }; - - template <typename T, typename C> - struct checker<user<T>, type::userdata, C> : checker<user<T>, type::lightuserdata, C> {}; - - template <typename T, typename C> - struct checker<non_null<T>, type::userdata, C> : checker<T, lua_type_of<T>::value, C> {}; - - template <typename C> - struct checker<lua_CFunction, type::function, C> : stack_detail::basic_check<type::function, lua_iscfunction> {}; - template <typename C> - struct checker<std::remove_pointer_t<lua_CFunction>, type::function, C> : checker<lua_CFunction, type::function, C> {}; - template <typename C> - struct checker<c_closure, type::function, C> : checker<lua_CFunction, type::function, C> {}; - - template <typename T, typename C> - struct checker<T, type::function, C> { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&& handler, record& tracking) { - tracking.use(1); - type t = type_of(L, index); - if (t == type::lua_nil || t == type::none || t == type::function) { - // allow for lua_nil to be returned - return true; - } - if (t != type::userdata && t != type::table) { - handler(L, index, type::function, t); - return false; - } - // Do advanced check for call-style userdata? - static const auto& callkey = name_of(meta_function::call); - if (lua_getmetatable(L, index) == 0) { - // No metatable, no __call key possible - handler(L, index, type::function, t); - return false; - } - if (lua_isnoneornil(L, -1)) { - lua_pop(L, 1); - handler(L, index, type::function, t); - return false; - } - lua_getfield(L, -1, &callkey[0]); - if (lua_isnoneornil(L, -1)) { - lua_pop(L, 2); - handler(L, index, type::function, t); - return false; - } - // has call, is definitely a function - lua_pop(L, 2); - return true; - } - }; - - template <typename T, typename C> - struct checker<T, type::table, C> { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&& handler, record& tracking) { - tracking.use(1); - type t = type_of(L, index); - if (t == type::table) { - return true; - } - if (t != type::userdata) { - handler(L, index, type::function, t); - return false; - } - return true; - } - }; - - template <typename T, typename C> - struct checker<detail::as_value_tag<T>, type::userdata, C> { - template <typename U, typename Handler> - static bool check(types<U>, lua_State* L, type indextype, int index, Handler&& handler, record& tracking) { - tracking.use(1); - if (indextype != type::userdata) { - handler(L, index, type::userdata, indextype); - return false; - } - if (meta::any<std::is_same<T, lightuserdata_value>, std::is_same<T, userdata_value>, std::is_same<T, userdata>, std::is_same<T, lightuserdata>>::value) - return true; - if (lua_getmetatable(L, index) == 0) { - return true; - } - int metatableindex = lua_gettop(L); - if (stack_detail::check_metatable<U>(L, metatableindex)) - return true; - if (stack_detail::check_metatable<U*>(L, metatableindex)) - return true; - if (stack_detail::check_metatable<detail::unique_usertype<U>>(L, metatableindex)) - return true; - bool success = false; - if (detail::has_derived<T>::value) { - auto pn = stack::pop_n(L, 1); - lua_pushstring(L, &detail::base_class_check_key()[0]); - lua_rawget(L, metatableindex); - if (type_of(L, -1) != type::lua_nil) { - void* basecastdata = lua_touserdata(L, -1); - detail::inheritance_check_function ic = (detail::inheritance_check_function)basecastdata; - success = ic(detail::id_for<T>::value); - } - } - if (!success) { - lua_pop(L, 1); - handler(L, index, type::userdata, indextype); - return false; - } - lua_pop(L, 1); - return true; - } - }; - - template <typename T, typename C> - struct checker<T, type::userdata, C> { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&& handler, record& tracking) { - const type indextype = type_of(L, index); - return checker<detail::as_value_tag<T>, type::userdata, C>{}.check(types<T>(), L, indextype, index, std::forward<Handler>(handler), tracking); - } - }; - - template <typename T, typename C> - struct checker<T*, type::userdata, C> { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&& handler, record& tracking) { - const type indextype = type_of(L, index); - // Allow lua_nil to be transformed to nullptr - if (indextype == type::lua_nil) { - tracking.use(1); - return true; - } - return checker<meta::unqualified_t<T>, type::userdata, C>{}.check(L, index, std::forward<Handler>(handler), tracking); - } - }; - - template<typename T> - struct checker<T, type::userdata, std::enable_if_t<is_unique_usertype<T>::value>> { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&& handler, record& tracking) { - return checker<typename unique_usertype_traits<T>::type, type::userdata>{}.check(L, index, std::forward<Handler>(handler), tracking); - } - }; - - template<typename T, typename C> - struct checker<std::reference_wrapper<T>, type::userdata, C> { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&& handler, record& tracking) { - return checker<T, type::userdata, C>{}.check(L, index, std::forward<Handler>(handler), tracking); - } - }; - - template<typename... Args, typename C> - struct checker<std::tuple<Args...>, type::poly, C> { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&& handler, record& tracking) { - return stack::multi_check<Args...>(L, index, std::forward<Handler>(handler), tracking); - } - }; - - template<typename A, typename B, typename C> - struct checker<std::pair<A, B>, type::poly, C> { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&& handler, record& tracking) { - return stack::multi_check<A, B>(L, index, std::forward<Handler>(handler), tracking); - } - }; - - template<typename T, typename C> - struct checker<optional<T>, type::poly, C> { - template <typename Handler> - static bool check(lua_State* L, int index, Handler&&, record& tracking) { - type t = type_of(L, index); - if (t == type::none) { - tracking.use(0); - return true; - } - if (t == type::lua_nil) { - tracking.use(1); - return true; - } - return stack::check<T>(L, index, no_panic, tracking); - } - }; - } // stack -} // sol - -#endif // SOL_STACK_CHECK_HPP |