71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
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#pragma once
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#include "base/internal/message.hpp"
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#include "base/logging.hpp"
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#include "base/macros.hpp"
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#include <exception>
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#include <string>
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class RootException : public std::exception
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{
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public:
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RootException(char const * what, std::string const & msg);
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virtual ~RootException() noexcept = default;
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std::string const & Msg() const { return m_msg; }
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// std::exception overrides:
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char const * what() const noexcept override { return m_whatWithAscii.c_str(); }
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private:
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std::string m_whatWithAscii;
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std::string m_msg;
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};
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template <typename Fn, typename... Args>
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std::invoke_result_t<Fn &&, Args &&...> ExceptionCatcher(std::string const & comment, bool & exceptionWasThrown,
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Fn && fn, Args &&... args) noexcept
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{
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try
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{
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exceptionWasThrown = false;
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return std::forward<Fn>(fn)(std::forward<Args>(args)...);
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}
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catch (RootException const & ex)
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{
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LOG(LWARNING, ("RootException.", comment, ex.Msg(), ex.what()));
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}
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catch (std::exception const & ex)
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{
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LOG(LWARNING, ("std::exception.", comment, ex.what()));
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}
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catch (...)
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{
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LOG(LWARNING, ("Unknown exception.", comment));
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}
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exceptionWasThrown = true;
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using ReturnType = std::decay_t<std::invoke_result_t<Fn &&, Args &&...>>;
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if constexpr (!std::is_same_v<void, ReturnType>)
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{
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static ReturnType const defaultResult = {};
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return defaultResult;
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}
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}
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#define DECLARE_EXCEPTION(exception_name, base_exception) \
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class exception_name : public base_exception \
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{ \
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public: \
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exception_name(char const * what, std::string const & msg) : base_exception(what, msg) {} \
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}
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// TODO: Use SRC_LOGGING macro.
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#define MYTHROW(exception_name, msg) \
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throw exception_name(#exception_name " " __FILE__ ":" TO_STRING(__LINE__), ::base::Message msg)
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#define MYTHROW1(exception_name, param1, msg) \
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throw exception_name(param1, #exception_name " " __FILE__ ":" TO_STRING(__LINE__), ::base::Message msg)
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