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Diffstat (limited to '3rdparty/sol2/sol/stack_push.hpp')
-rw-r--r-- | 3rdparty/sol2/sol/stack_push.hpp | 694 |
1 files changed, 0 insertions, 694 deletions
diff --git a/3rdparty/sol2/sol/stack_push.hpp b/3rdparty/sol2/sol/stack_push.hpp deleted file mode 100644 index 9a839107fde..00000000000 --- a/3rdparty/sol2/sol/stack_push.hpp +++ /dev/null @@ -1,694 +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_PUSH_HPP -#define SOL_STACK_PUSH_HPP - -#include "stack_core.hpp" -#include "raii.hpp" -#include "optional.hpp" -#include <memory> -#ifdef SOL_CODECVT_SUPPORT -#include <codecvt> -#include <locale> -#endif - -namespace sol { - namespace stack { - template <typename T> - struct pusher<detail::as_value_tag<T>> { - template <typename F, typename... Args> - static int push_fx(lua_State* L, F&& f, Args&&... args) { - // Basically, we store all user-data like this: - // If it's a movable/copyable value (no std::ref(x)), then we store the pointer to the new - // data in the first sizeof(T*) bytes, and then however many bytes it takes to - // do the actual object. Things that are std::ref or plain T* are stored as - // just the sizeof(T*), and nothing else. - T** pointerpointer = static_cast<T**>(lua_newuserdata(L, sizeof(T*) + sizeof(T))); - T*& referencereference = *pointerpointer; - T* allocationtarget = reinterpret_cast<T*>(pointerpointer + 1); - referencereference = allocationtarget; - std::allocator<T> alloc{}; - alloc.construct(allocationtarget, std::forward<Args>(args)...); - f(); - return 1; - } - - template <typename K, typename... Args> - static int push_keyed(lua_State* L, K&& k, Args&&... args) { - return push_fx(L, [&L, &k]() { - luaL_newmetatable(L, &k[0]); - lua_setmetatable(L, -2); - }, std::forward<Args>(args)...); - } - - template <typename... Args> - static int push(lua_State* L, Args&&... args) { - return push_keyed(L, usertype_traits<T>::metatable(), std::forward<Args>(args)...); - } - }; - - template <typename T> - struct pusher<detail::as_pointer_tag<T>> { - template <typename F> - static int push_fx(lua_State* L, F&& f, T* obj) { - if (obj == nullptr) - return stack::push(L, lua_nil); - T** pref = static_cast<T**>(lua_newuserdata(L, sizeof(T*))); - *pref = obj; - f(); - return 1; - } - - template <typename K> - static int push_keyed(lua_State* L, K&& k, T* obj) { - return push_fx(L, [&L, &k]() { - luaL_newmetatable(L, &k[0]); - lua_setmetatable(L, -2); - }, obj); - } - - static int push(lua_State* L, T* obj) { - return push_keyed(L, usertype_traits<meta::unqualified_t<T>*>::metatable(), obj); - } - }; - - template <> - struct pusher<detail::as_reference_tag> { - template <typename T> - static int push(lua_State* L, T&& obj) { - return stack::push(L, detail::ptr(obj)); - } - }; - - template<typename T, typename> - struct pusher { - template <typename... Args> - static int push(lua_State* L, Args&&... args) { - return pusher<detail::as_value_tag<T>>{}.push(L, std::forward<Args>(args)...); - } - }; - - template<typename T> - struct pusher<T*, meta::disable_if_t<meta::all<is_container<meta::unqualified_t<T>>, meta::neg<meta::any<std::is_base_of<reference, meta::unqualified_t<T>>, std::is_base_of<stack_reference, meta::unqualified_t<T>>>>>::value>> { - template <typename... Args> - static int push(lua_State* L, Args&&... args) { - return pusher<detail::as_pointer_tag<T>>{}.push(L, std::forward<Args>(args)...); - } - }; - - template<typename T> - struct pusher<T, std::enable_if_t<is_unique_usertype<T>::value>> { - typedef typename unique_usertype_traits<T>::type P; - typedef typename unique_usertype_traits<T>::actual_type Real; - - template <typename Arg, meta::enable<std::is_base_of<Real, meta::unqualified_t<Arg>>> = meta::enabler> - static int push(lua_State* L, Arg&& arg) { - if (unique_usertype_traits<T>::is_null(arg)) - return stack::push(L, lua_nil); - return push_deep(L, std::forward<Arg>(arg)); - } - - template <typename Arg0, typename Arg1, typename... Args> - static int push(lua_State* L, Arg0&& arg0, Arg0&& arg1, Args&&... args) { - return push_deep(L, std::forward<Arg0>(arg0), std::forward<Arg1>(arg1), std::forward<Args>(args)...); - } - - template <typename... Args> - static int push_deep(lua_State* L, Args&&... args) { - P** pref = static_cast<P**>(lua_newuserdata(L, sizeof(P*) + sizeof(detail::special_destruct_func) + sizeof(Real))); - detail::special_destruct_func* fx = static_cast<detail::special_destruct_func*>(static_cast<void*>(pref + 1)); - Real* mem = static_cast<Real*>(static_cast<void*>(fx + 1)); - *fx = detail::special_destruct<P, Real>; - detail::default_construct::construct(mem, std::forward<Args>(args)...); - *pref = unique_usertype_traits<T>::get(*mem); - if (luaL_newmetatable(L, &usertype_traits<detail::unique_usertype<P>>::metatable()[0]) == 1) { - set_field(L, "__gc", detail::unique_destruct<P>); - } - lua_setmetatable(L, -2); - return 1; - } - }; - - template<typename T> - struct pusher<std::reference_wrapper<T>> { - static int push(lua_State* L, const std::reference_wrapper<T>& t) { - return stack::push(L, std::addressof(detail::deref(t.get()))); - } - }; - - template<typename T> - struct pusher<T, std::enable_if_t<std::is_floating_point<T>::value>> { - static int push(lua_State* L, const T& value) { - lua_pushnumber(L, value); - return 1; - } - }; - - template<typename T> - struct pusher<T, std::enable_if_t<meta::all<std::is_integral<T>, std::is_signed<T>>::value>> { - static int push(lua_State* L, const T& value) { - lua_pushinteger(L, static_cast<lua_Integer>(value)); - return 1; - } - }; - - template<typename T> - struct pusher<T, std::enable_if_t<std::is_enum<T>::value>> { - static int push(lua_State* L, const T& value) { - if (std::is_same<char, T>::value) { - return stack::push(L, static_cast<int>(value)); - } - return stack::push(L, static_cast<std::underlying_type_t<T>>(value)); - } - }; - - template<typename T> - struct pusher<T, std::enable_if_t<meta::all<std::is_integral<T>, std::is_unsigned<T>>::value>> { - static int push(lua_State* L, const T& value) { - lua_pushinteger(L, static_cast<lua_Integer>(value)); - return 1; - } - }; - - template<typename T> - struct pusher<as_table_t<T>, std::enable_if_t<!meta::has_key_value_pair<meta::unqualified_t<std::remove_pointer_t<T>>>::value>> { - static int push(lua_State* L, const as_table_t<T>& tablecont) { - auto& cont = detail::deref(detail::unwrap(tablecont.source)); - lua_createtable(L, static_cast<int>(cont.size()), 0); - int tableindex = lua_gettop(L); - std::size_t index = 1; - for (const auto& i : cont) { -#if SOL_LUA_VERSION >= 503 - int p = stack::push(L, i); - for (int pi = 0; pi < p; ++pi) { - lua_seti(L, tableindex, static_cast<lua_Integer>(index++)); - } -#else - lua_pushinteger(L, static_cast<lua_Integer>(index)); - int p = stack::push(L, i); - if (p == 1) { - ++index; - lua_settable(L, tableindex); - } - else { - int firstindex = tableindex + 1 + 1; - for (int pi = 0; pi < p; ++pi) { - stack::push(L, index); - lua_pushvalue(L, firstindex); - lua_settable(L, tableindex); - ++index; - ++firstindex; - } - lua_pop(L, 1 + p); - } -#endif - } - // TODO: figure out a better way to do this...? - //set_field(L, -1, cont.size()); - return 1; - } - }; - - template<typename T> - struct pusher<as_table_t<T>, std::enable_if_t<meta::has_key_value_pair<meta::unqualified_t<std::remove_pointer_t<T>>>::value>> { - static int push(lua_State* L, const as_table_t<T>& tablecont) { - auto& cont = detail::deref(detail::unwrap(tablecont.source)); - lua_createtable(L, static_cast<int>(cont.size()), 0); - int tableindex = lua_gettop(L); - for (const auto& pair : cont) { - set_field(L, pair.first, pair.second, tableindex); - } - return 1; - } - }; - - template<typename T> - struct pusher<T, std::enable_if_t<std::is_base_of<reference, T>::value || std::is_base_of<stack_reference, T>::value>> { - static int push(lua_State* L, const T& ref) { - return ref.push(L); - } - - static int push(lua_State* L, T&& ref) { - return ref.push(L); - } - }; - - template<> - struct pusher<bool> { - static int push(lua_State* L, bool b) { - lua_pushboolean(L, b); - return 1; - } - }; - - template<> - struct pusher<lua_nil_t> { - static int push(lua_State* L, lua_nil_t) { - lua_pushnil(L); - return 1; - } - }; - - template<> - struct pusher<metatable_key_t> { - static int push(lua_State* L, metatable_key_t) { - lua_pushlstring(L, "__mt", 4); - return 1; - } - }; - - template<> - struct pusher<std::remove_pointer_t<lua_CFunction>> { - static int push(lua_State* L, lua_CFunction func, int n = 0) { - lua_pushcclosure(L, func, n); - return 1; - } - }; - - template<> - struct pusher<lua_CFunction> { - static int push(lua_State* L, lua_CFunction func, int n = 0) { - lua_pushcclosure(L, func, n); - return 1; - } - }; - - template<> - struct pusher<c_closure> { - static int push(lua_State* L, c_closure cc) { - lua_pushcclosure(L, cc.c_function, cc.upvalues); - return 1; - } - }; - - template<typename Arg, typename... Args> - struct pusher<closure<Arg, Args...>> { - template <std::size_t... I, typename T> - static int push(std::index_sequence<I...>, lua_State* L, T&& c) { - int pushcount = multi_push(L, detail::forward_get<I>(c.upvalues)...); - return stack::push(L, c_closure(c.c_function, pushcount)); - } - - template <typename T> - static int push(lua_State* L, T&& c) { - return push(std::make_index_sequence<1 + sizeof...(Args)>(), L, std::forward<T>(c)); - } - }; - - template<> - struct pusher<void*> { - static int push(lua_State* L, void* userdata) { - lua_pushlightuserdata(L, userdata); - return 1; - } - }; - - template<> - struct pusher<lightuserdata_value> { - static int push(lua_State* L, lightuserdata_value userdata) { - lua_pushlightuserdata(L, userdata); - return 1; - } - }; - - template<typename T> - struct pusher<light<T>> { - static int push(lua_State* L, light<T> l) { - lua_pushlightuserdata(L, static_cast<void*>(l.value)); - return 1; - } - }; - - template<typename T> - struct pusher<user<T>> { - template <bool with_meta = true, typename Key, typename... Args> - static int push_with(lua_State* L, Key&& name, Args&&... args) { - // A dumb pusher - void* rawdata = lua_newuserdata(L, sizeof(T)); - T* data = static_cast<T*>(rawdata); - std::allocator<T> alloc; - alloc.construct(data, std::forward<Args>(args)...); - if (with_meta) { - lua_CFunction cdel = detail::user_alloc_destroy<T>; - // Make sure we have a plain GC set for this data - if (luaL_newmetatable(L, name) != 0) { - lua_pushcclosure(L, cdel, 0); - lua_setfield(L, -2, "__gc"); - } - lua_setmetatable(L, -2); - } - return 1; - } - - template <typename Arg, typename... Args, meta::disable<meta::any_same<meta::unqualified_t<Arg>, no_metatable_t, metatable_key_t>> = meta::enabler> - static int push(lua_State* L, Arg&& arg, Args&&... args) { - const auto name = &usertype_traits<meta::unqualified_t<T>>::user_gc_metatable()[0]; - return push_with(L, name, std::forward<Arg>(arg), std::forward<Args>(args)...); - } - - template <typename... Args> - static int push(lua_State* L, no_metatable_t, Args&&... args) { - const auto name = &usertype_traits<meta::unqualified_t<T>>::user_gc_metatable()[0]; - return push_with<false>(L, name, std::forward<Args>(args)...); - } - - template <typename Key, typename... Args> - static int push(lua_State* L, metatable_key_t, Key&& key, Args&&... args) { - const auto name = &key[0]; - return push_with<true>(L, name, std::forward<Args>(args)...); - } - - static int push(lua_State* L, const user<T>& u) { - const auto name = &usertype_traits<meta::unqualified_t<T>>::user_gc_metatable()[0]; - return push_with(L, name, u.value); - } - - static int push(lua_State* L, user<T>&& u) { - const auto name = &usertype_traits<meta::unqualified_t<T>>::user_gc_metatable()[0]; - return push_with(L, name, std::move(u.value)); - } - - static int push(lua_State* L, no_metatable_t, const user<T>& u) { - const auto name = &usertype_traits<meta::unqualified_t<T>>::user_gc_metatable()[0]; - return push_with<false>(L, name, u.value); - } - - static int push(lua_State* L, no_metatable_t, user<T>&& u) { - const auto name = &usertype_traits<meta::unqualified_t<T>>::user_gc_metatable()[0]; - return push_with<false>(L, name, std::move(u.value)); - } - }; - - template<> - struct pusher<userdata_value> { - static int push(lua_State* L, userdata_value data) { - void** ud = static_cast<void**>(lua_newuserdata(L, sizeof(void*))); - *ud = data.value; - return 1; - } - }; - - template<> - struct pusher<const char*> { - static int push_sized(lua_State* L, const char* str, std::size_t len) { - lua_pushlstring(L, str, len); - return 1; - } - - static int push(lua_State* L, const char* str) { - if (str == nullptr) - return stack::push(L, lua_nil); - return push_sized(L, str, std::char_traits<char>::length(str)); - } - - static int push(lua_State* L, const char* strb, const char* stre) { - return push_sized(L, strb, stre - strb); - } - - static int push(lua_State* L, const char* str, std::size_t len) { - return push_sized(L, str, len); - } - }; - - template<size_t N> - struct pusher<char[N]> { - static int push(lua_State* L, const char(&str)[N]) { - lua_pushlstring(L, str, N - 1); - return 1; - } - - static int push(lua_State* L, const char(&str)[N], std::size_t sz) { - lua_pushlstring(L, str, sz); - return 1; - } - }; - - template <> - struct pusher<char> { - static int push(lua_State* L, char c) { - const char str[2] = { c, '\0' }; - return stack::push(L, str, 1); - } - }; - - template<> - struct pusher<std::string> { - static int push(lua_State* L, const std::string& str) { - lua_pushlstring(L, str.c_str(), str.size()); - return 1; - } - - static int push(lua_State* L, const std::string& str, std::size_t sz) { - lua_pushlstring(L, str.c_str(), sz); - return 1; - } - }; - - template<> - struct pusher<meta_function> { - static int push(lua_State* L, meta_function m) { - const std::string& str = name_of(m); - lua_pushlstring(L, str.c_str(), str.size()); - return 1; - } - }; - -#ifdef SOL_CODECVT_SUPPORT - template<> - struct pusher<const wchar_t*> { - static int push(lua_State* L, const wchar_t* wstr) { - return push(L, wstr, std::char_traits<wchar_t>::length(wstr)); - } - - static int push(lua_State* L, const wchar_t* wstr, std::size_t sz) { - return push(L, wstr, wstr + sz); - } - - static int push(lua_State* L, const wchar_t* strb, const wchar_t* stre) { - if (sizeof(wchar_t) == 2) { - static std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> convert; - std::string u8str = convert.to_bytes(strb, stre); - return stack::push(L, u8str); - } - static std::wstring_convert<std::codecvt_utf8<wchar_t>> convert; - std::string u8str = convert.to_bytes(strb, stre); - return stack::push(L, u8str); - } - }; - - template<> - struct pusher<const char16_t*> { - static int push(lua_State* L, const char16_t* u16str) { - return push(L, u16str, std::char_traits<char16_t>::length(u16str)); - } - - static int push(lua_State* L, const char16_t* u16str, std::size_t sz) { - return push(L, u16str, u16str + sz); - } - - static int push(lua_State* L, const char16_t* strb, const char16_t* stre) { -#ifdef _MSC_VER - static std::wstring_convert<std::codecvt_utf8_utf16<int16_t>, int16_t> convert; - std::string u8str = convert.to_bytes(reinterpret_cast<const int16_t*>(strb), reinterpret_cast<const int16_t*>(stre)); -#else - static std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert; - std::string u8str = convert.to_bytes(strb, stre); -#endif // VC++ is a shit - return stack::push(L, u8str); - } - }; - - template<> - struct pusher<const char32_t*> { - static int push(lua_State* L, const char32_t* u32str) { - return push(L, u32str, u32str + std::char_traits<char32_t>::length(u32str)); - } - - static int push(lua_State* L, const char32_t* u32str, std::size_t sz) { - return push(L, u32str, u32str + sz); - } - - static int push(lua_State* L, const char32_t* strb, const char32_t* stre) { -#ifdef _MSC_VER - static std::wstring_convert<std::codecvt_utf8<int32_t>, int32_t> convert; - std::string u8str = convert.to_bytes(reinterpret_cast<const int32_t*>(strb), reinterpret_cast<const int32_t*>(stre)); -#else - static std::wstring_convert<std::codecvt_utf8<char32_t>, char32_t> convert; - std::string u8str = convert.to_bytes(strb, stre); -#endif // VC++ is a shit - return stack::push(L, u8str); - } - }; - - template<size_t N> - struct pusher<wchar_t[N]> { - static int push(lua_State* L, const wchar_t(&str)[N]) { - return push(L, str, N - 1); - } - - static int push(lua_State* L, const wchar_t(&str)[N], std::size_t sz) { - return stack::push<const wchar_t*>(L, str, str + sz); - } - }; - - template<size_t N> - struct pusher<char16_t[N]> { - static int push(lua_State* L, const char16_t(&str)[N]) { - return push(L, str, N - 1); - } - - static int push(lua_State* L, const char16_t(&str)[N], std::size_t sz) { - return stack::push<const char16_t*>(L, str, str + sz); - } - }; - - template<size_t N> - struct pusher<char32_t[N]> { - static int push(lua_State* L, const char32_t(&str)[N]) { - return push(L, str, N - 1); - } - - static int push(lua_State* L, const char32_t(&str)[N], std::size_t sz) { - return stack::push<const char32_t*>(L, str, str + sz); - } - }; - - template <> - struct pusher<wchar_t> { - static int push(lua_State* L, wchar_t c) { - const wchar_t str[2] = { c, '\0' }; - return stack::push(L, str, 1); - } - }; - - template <> - struct pusher<char16_t> { - static int push(lua_State* L, char16_t c) { - const char16_t str[2] = { c, '\0' }; - return stack::push(L, str, 1); - } - }; - - template <> - struct pusher<char32_t> { - static int push(lua_State* L, char32_t c) { - const char32_t str[2] = { c, '\0' }; - return stack::push(L, str, 1); - } - }; - - template<> - struct pusher<std::wstring> { - static int push(lua_State* L, const std::wstring& wstr) { - return push(L, wstr.data(), wstr.size()); - } - - static int push(lua_State* L, const std::wstring& wstr, std::size_t sz) { - return stack::push(L, wstr.data(), wstr.data() + sz); - } - }; - - template<> - struct pusher<std::u16string> { - static int push(lua_State* L, const std::u16string& u16str) { - return push(L, u16str, u16str.size()); - } - - static int push(lua_State* L, const std::u16string& u16str, std::size_t sz) { - return stack::push(L, u16str.data(), u16str.data() + sz); - } - }; - - template<> - struct pusher<std::u32string> { - static int push(lua_State* L, const std::u32string& u32str) { - return push(L, u32str, u32str.size()); - } - - static int push(lua_State* L, const std::u32string& u32str, std::size_t sz) { - return stack::push(L, u32str.data(), u32str.data() + sz); - } - }; -#endif // codecvt Header Support - - template<typename... Args> - struct pusher<std::tuple<Args...>> { - template <std::size_t... I, typename T> - static int push(std::index_sequence<I...>, lua_State* L, T&& t) { - int pushcount = 0; - (void)detail::swallow{ 0, (pushcount += stack::push(L, - detail::forward_get<I>(t) - ), 0)... }; - return pushcount; - } - - template <typename T> - static int push(lua_State* L, T&& t) { - return push(std::index_sequence_for<Args...>(), L, std::forward<T>(t)); - } - }; - - template<typename A, typename B> - struct pusher<std::pair<A, B>> { - template <typename T> - static int push(lua_State* L, T&& t) { - int pushcount = stack::push(L, detail::forward_get<0>(t)); - pushcount += stack::push(L, detail::forward_get<1>(t)); - return pushcount; - } - }; - - template<typename O> - struct pusher<optional<O>> { - template <typename T> - static int push(lua_State* L, T&& t) { - if (t == nullopt) { - return stack::push(L, nullopt); - } - return stack::push(L, t.value()); - } - }; - - template<> - struct pusher<nullopt_t> { - static int push(lua_State* L, nullopt_t) { - return stack::push(L, lua_nil); - } - }; - - template<> - struct pusher<std::nullptr_t> { - static int push(lua_State* L, std::nullptr_t) { - return stack::push(L, lua_nil); - } - }; - - template<> - struct pusher<this_state> { - static int push(lua_State*, const this_state&) { - return 0; - } - }; - } // stack -} // sol - -#endif // SOL_STACK_PUSH_HPP |