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// 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_ERROR_HPP
#define SOL_ERROR_HPP
#include "compatibility.hpp"
#include <stdexcept>
#include <string>
#include <array>
namespace sol {
namespace detail {
struct direct_error_tag {};
const auto direct_error = direct_error_tag{};
struct error_result {
int results;
const char* format_string;
std::array<const char*, 4> args_strings;
error_result() : results(0), format_string(nullptr) {
}
error_result(int results) : results(results), format_string(nullptr) {
}
error_result(const char* fmt, const char* msg) : results(0), format_string(fmt) {
args_strings[0] = msg;
}
};
inline int handle_errors(lua_State* L, const error_result& er) {
if (er.format_string == nullptr) {
return er.results;
}
return luaL_error(L, er.format_string, er.args_strings[0], er.args_strings[1], er.args_strings[2], er.args_strings[3]);
}
} // namespace detail
class error : public std::runtime_error {
private:
// Because VC++ is upsetting, most of the time!
std::string what_reason;
public:
error(const std::string& str) : error(detail::direct_error, "lua: error: " + str) {
}
error(std::string&& str) : error(detail::direct_error, "lua: error: " + std::move(str)) {
}
error(detail::direct_error_tag, const std::string& str) : std::runtime_error(""), what_reason(str) {
}
error(detail::direct_error_tag, std::string&& str) : std::runtime_error(""), what_reason(std::move(str)) {
}
error(const error& e) = default;
error(error&& e) = default;
error& operator=(const error& e) = default;
error& operator=(error&& e) = default;
virtual const char* what() const noexcept override {
return what_reason.c_str();
}
};
} // namespace sol
#endif // SOL_ERROR_HPP
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