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89 lines
2.9 KiB
C++
89 lines
2.9 KiB
C++
// sol2
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// The MIT License (MIT)
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// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef SOL_ERROR_HPP
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#define SOL_ERROR_HPP
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#include <sol/compatibility.hpp>
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#include <stdexcept>
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#include <string>
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#include <array>
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namespace sol {
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namespace detail {
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struct direct_error_tag { };
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const auto direct_error = direct_error_tag {};
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struct error_result {
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int results;
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const char* format_string;
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std::array<const char*, 4> argument_strings;
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error_result() : results(0), format_string(nullptr) {
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}
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error_result(int results_) : results(results_), format_string(nullptr) {
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}
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error_result(const char* format_string_, const char* first_message_) : results(0), format_string(format_string_), argument_strings() {
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argument_strings[0] = first_message_;
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}
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};
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inline int handle_errors(lua_State* L, const error_result& er) {
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if (er.format_string == nullptr) {
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return er.results;
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}
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return luaL_error(L, er.format_string, er.argument_strings[0], er.argument_strings[1], er.argument_strings[2], er.argument_strings[3]);
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}
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} // namespace detail
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class error : public std::runtime_error {
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private:
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// Because VC++ is upsetting, most of the time!
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std::string what_reason;
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public:
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error(const std::string& str) : error(detail::direct_error, "lua: error: " + str) {
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}
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error(std::string&& str) : error(detail::direct_error, "lua: error: " + std::move(str)) {
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}
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error(detail::direct_error_tag, const std::string& str) : std::runtime_error(""), what_reason(str) {
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}
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error(detail::direct_error_tag, std::string&& str) : std::runtime_error(""), what_reason(std::move(str)) {
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}
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error(const error& e) = default;
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error(error&& e) = default;
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error& operator=(const error& e) = default;
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error& operator=(error&& e) = default;
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virtual const char* what() const noexcept override {
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return what_reason.c_str();
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}
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};
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} // namespace sol
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#endif // SOL_ERROR_HPP
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