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-rw-r--r--lib/sol2/include/sol/protected_handler.hpp113
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diff --git a/lib/sol2/include/sol/protected_handler.hpp b/lib/sol2/include/sol/protected_handler.hpp
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index e7eb2de..0000000
--- a/lib/sol2/include/sol/protected_handler.hpp
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@@ -1,113 +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_PROTECTED_HANDLER_HPP
-#define SOL_PROTECTED_HANDLER_HPP
-
-#include "reference.hpp"
-#include "stack.hpp"
-#include "protected_function_result.hpp"
-#include "unsafe_function.hpp"
-#include <cstdint>
-
-namespace sol {
- namespace detail {
- inline const char(&default_handler_name())[9]{
- static const char name[9] = "sol.\xF0\x9F\x94\xA9";
- return name;
- }
-
- template <bool b, typename target_t = reference>
- struct protected_handler {
- typedef is_stack_based<target_t> is_stack;
- const target_t& target;
- int stackindex;
-
- protected_handler(std::false_type, const target_t& target)
- : target(target), stackindex(0) {
- if (b) {
- stackindex = lua_gettop(target.lua_state()) + 1;
- target.push();
- }
- }
-
- protected_handler(std::true_type, const target_t& target)
- : target(target), stackindex(0) {
- if (b) {
- stackindex = target.stack_index();
- }
- }
-
- protected_handler(const target_t& target)
- : protected_handler(is_stack(), target) {
- }
-
- bool valid() const noexcept {
- return b;
- }
-
- ~protected_handler() {
- if constexpr (!is_stack::value) {
- if (stackindex != 0) {
- lua_remove(target.lua_state(), stackindex);
- }
- }
- }
- };
-
- template <typename base_t, typename T>
- basic_function<base_t> force_cast(T& p) {
- return p;
- }
-
- template <typename Reference, bool is_main_ref = false>
- static Reference get_default_handler(lua_State* L) {
- if (is_stack_based<Reference>::value || L == nullptr)
- return Reference(L, lua_nil);
- L = is_main_ref ? main_thread(L, L) : L;
- lua_getglobal(L, default_handler_name());
- auto pp = stack::pop_n(L, 1);
- return Reference(L, -1);
- }
-
- template <typename T>
- static void set_default_handler(lua_State* L, const T& ref) {
- if (L == nullptr) {
- return;
- }
- if (!ref.valid()) {
-#if defined(SOL_SAFE_STACK_CHECK) && SOL_SAFE_STACK_CHECK
- luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
-#endif // make sure stack doesn't overflow
- lua_pushnil(L);
- lua_setglobal(L, default_handler_name());
- }
- else {
- ref.push(L);
- lua_setglobal(L, default_handler_name());
- }
- }
- } // namespace detail
-} // namespace sol
-
-#endif // SOL_PROTECTED_HANDLER_HPP