142 lines
4.3 KiB
C++
142 lines
4.3 KiB
C++
///\file
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/******************************************************************************
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The MIT License(MIT)
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Embedded Template Library.
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https://github.com/ETLCPP/etl
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https://www.etlcpp.com
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Copyright(c) 2014 John Wellbelove
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files(the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, 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,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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******************************************************************************/
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#ifndef ETL_EXCEPTION_INCLUDED
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#define ETL_EXCEPTION_INCLUDED
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#include "platform.h"
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#if ETL_USING_STD_EXCEPTION
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#include <exception>
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#define ETL_EXCEPTION_CONSTEXPR
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#define ETL_EXCEPTION_OVERRIDE override
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#else
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#define ETL_EXCEPTION_CONSTEXPR ETL_CONSTEXPR
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#define ETL_EXCEPTION_OVERRIDE
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#endif
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///\defgroup exception exception
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/// The base class for all ETL exceptions.
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///\ingroup utilities
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namespace etl
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{
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//***************************************************************************
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///\ingroup exception
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/// A low overhead exception base class.
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//***************************************************************************
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class exception
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#if ETL_USING_STD_EXCEPTION
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: public std::exception
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#endif
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{
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public:
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typedef const char* string_type;
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typedef int numeric_type;
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//*************************************************************************
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/// Constructor.
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//*************************************************************************
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#if defined(ETL_VERBOSE_ERRORS)
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ETL_EXCEPTION_CONSTEXPR
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exception(string_type reason_, string_type file_, numeric_type line_)
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: reason_text(reason_)
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, file_text(file_)
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, line(line_)
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{
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}
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#elif defined(ETL_MINIMAL_ERRORS)
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ETL_EXCEPTION_CONSTEXPR
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exception(string_type /*reason_*/, string_type /*file_*/, numeric_type /*line_*/) {}
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#else
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ETL_EXCEPTION_CONSTEXPR
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exception(string_type reason_, string_type /*file_*/, numeric_type /*line_*/)
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: reason_text(reason_)
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{
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}
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#endif
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//***************************************************************************
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/// Gets the reason for the exception.
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/// \return const char* to the reason.
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//***************************************************************************
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ETL_EXCEPTION_CONSTEXPR
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string_type what() const ETL_NOEXCEPT ETL_EXCEPTION_OVERRIDE
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{
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#if !defined(ETL_MINIMAL_ERRORS)
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return reason_text;
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#else
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return "";
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#endif
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}
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//***************************************************************************
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/// Gets the file for the exception.
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/// \return const char* to the file.
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//***************************************************************************
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ETL_EXCEPTION_CONSTEXPR
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string_type file_name() const
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{
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#if defined(ETL_VERBOSE_ERRORS)
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return file_text;
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#else
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return "";
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#endif
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}
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//***************************************************************************
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/// Gets the line for the exception.
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/// \return int as line number.
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//***************************************************************************
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ETL_EXCEPTION_CONSTEXPR
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numeric_type line_number() const
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{
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#if defined(ETL_VERBOSE_ERRORS)
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return line;
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#else
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return -1;
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#endif
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}
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private:
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#if !defined(ETL_MINIMAL_ERRORS)
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string_type reason_text; ///< The reason for the exception.
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#endif
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#if defined(ETL_VERBOSE_ERRORS)
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string_type file_text; ///< The file for the exception.
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numeric_type line; ///< The line for the exception.
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#endif
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};
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} // namespace etl
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#endif
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