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// ==========================================================================
// SeqAn - The Library for Sequence Analysis
// ==========================================================================
// Copyright (c) 2006-2013, Knut Reinert, FU Berlin
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of Knut Reinert or the FU Berlin nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL KNUT REINERT OR THE FU BERLIN BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
// DAMAGE.
//
// ==========================================================================
// Author: Enrico Siragusa <enrico.siragusa@fu-berlin.de>
// ==========================================================================
// Definition of basic exceptions.
// ==========================================================================
#ifndef SEQAN_BASIC_BASIC_EXCEPTION_H_
#define SEQAN_BASIC_BASIC_EXCEPTION_H_
// ============================================================================
// Prerequisites
// ============================================================================
#include <typeinfo>
#include <exception>
#include <stdexcept>
// ============================================================================
// Macros
// ============================================================================
/*!
* @macro SEQAN_EXCEPTIONS
* @headerfile <seqan/basic.h>
* @brief Determines whether exceptions are enabled or not.
*
* @signature SEQAN_EXCEPTIONS
*
* @see SEQAN_TRY
* @see SEQAN_CATCH
* @see SEQAN_THROW
* @see Exception
*/
#define SEQAN_EXCEPTIONS __EXCEPTIONS
/*!
* @macro SEQAN_TRY
* @headerfile <seqan/basic.h>
* @brief Replaces the C++ try keyword.
*
* @signature SEQAN_TRY {} SEQAN_CATCH() {}
*
* @section Remarks
*
* When exceptions are disabled, i.e. SEQAN_EXCEPTIONS is set to false, the code inside the try block is always executed".
*
* @see SEQAN_CATCH
* @see SEQAN_THROW
* @see Exception
*
* @section Examples
*
* @code{.cpp}
*
* SEQAN_TRY
* {
* SEQAN_THROW(Exception)
* }
* SEQAN_CATCH(Exception const & e)
* {
* std::cerr << e.what() << std::endl;
* }
*
* @endcode
*/
/*!
* @macro SEQAN_CATCH
* @headerfile <seqan/basic.h>
* @brief Replaces the C++ catch keyword.
*
* @signature SEQAN_TRY {} SEQAN_CATCH() {}
*
* @section Remarks
*
* When exceptions are disabled, i.e. SEQAN_EXCEPTIONS is set to false, the code inside the catch block is never executed".
*
* @see SEQAN_TRY
* @see SEQAN_THROW
* @see Exception
*
* @section Examples
*
* See @link SEQAN_TRY @endlink for a full example.
*/
/*!
* @macro SEQAN_THROW
* @headerfile <seqan/basic.h>
* @brief Replaces the C++ throw keyword.
*
* @signature SEQAN_THROW(Exception);
*
* @section Remarks
*
* When exceptions are disabled, i.e. SEQAN_EXCEPTIONS is set to false, the macro turns into SEQAN_FAIL".
*
* @see SEQAN_TRY
* @see SEQAN_CATCH
* @see SEQAN_FAIL
* @see Exception
*
* @section Examples
*
* See @link SEQAN_TRY @endlink for a full example.
*/
#ifdef SEQAN_EXCEPTIONS
#define SEQAN_TRY try
#define SEQAN_CATCH(E) catch(E)
#define SEQAN_THROW(E) throw E
#define SEQAN_RETHROW throw
#else
#define SEQAN_TRY if (true)
#define SEQAN_CATCH(E) if (false)
//#define SEQAN_CATCH(E) for (E ; false; )
#define SEQAN_THROW(E) SEQAN_FAIL(#E)
#define SEQAN_RETHROW
#endif // #ifdef SEQAN_EXCEPTIONS
namespace seqan {
// ============================================================================
// Classes
// ============================================================================
// ----------------------------------------------------------------------------
// Class Exception
// ----------------------------------------------------------------------------
/*!
* @class Exception
* @headerfile <seqan/basic.h>
* @brief Generic SeqAn exception.
* @signature Exception;
*/
typedef std::exception Exception;
// ----------------------------------------------------------------------------
// Class BadAlloc
// ----------------------------------------------------------------------------
/*!
* @class BadAlloc
* @headerfile <seqan/basic.h>
* @brief Bad memory allocation exception.
* @signature BadAlloc;
*/
typedef std::bad_alloc BadAlloc;
// ----------------------------------------------------------------------------
// Classes Bad*
// ----------------------------------------------------------------------------
// NOTE(esiragusa): These exceptions can be introduced as long as we need them.
//typedef std::bad_exception BadException;
//typedef std::bad_cast BadCast;
//typedef std::bad_typeid BadTypeId;
//typedef std::bad_function_call BadFunctionCall;
//typedef std::bad_weak_ptr BadWeakPtr;
// ----------------------------------------------------------------------------
// Class RuntimeError
// ----------------------------------------------------------------------------
/*!
* @class RuntimeError
* @headerfile <seqan/basic.h>
* @brief Runtime error exception.
* @signature RuntimeError("Message");
*/
typedef std::runtime_error RuntimeError;
// ----------------------------------------------------------------------------
// Class LogicError
// ----------------------------------------------------------------------------
// NOTE(esiragusa): Always prefer SEQAN_ASSERT to logic error exceptions.
//typedef std::logic_error LogicError;
// ============================================================================
// Functions
// ============================================================================
// ----------------------------------------------------------------------------
// Function globalExceptionHandler()
// ----------------------------------------------------------------------------
#ifdef SEQAN_EXCEPTIONS
static void globalExceptionHandler()
{
SEQAN_TRY
{
SEQAN_RETHROW;
}
SEQAN_CATCH(Exception & e)
{
SEQAN_FAIL("Uncaught exception of type %s: %s", typeid(e).name(), e.what());
}
}
// Install global exception handler.
static const std::terminate_handler _globalExceptionHandler = std::set_terminate(globalExceptionHandler);
#endif
} // namespace seqan
#endif // #ifndef SEQAN_BASIC_BASIC_EXCEPTION_H_
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