catch2/include/internal/catch_interfaces_exception.h
Phil Nash 371db8b42f Context methods are non-static - accessed via interface
This is a move towards allowing multiple contexts - with the concept of a (possibly thread local) "current" context
2012-05-21 18:52:09 +01:00

67 lines
2.4 KiB
C++

/*
* Created by Phil on 20/04/2011.
* Copyright 2011 Two Blue Cubes Ltd. All rights reserved.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#ifndef TWOBLUECUBES_CATCH_INTERFACES_EXCEPTIONS_H_INCLUDED
#define TWOBLUECUBES_CATCH_INTERFACES_EXCEPTIONS_H_INCLUDED
#include <string>
namespace Catch {
typedef std::string(*exceptionTranslateFunction)();
struct IExceptionTranslator {
virtual ~IExceptionTranslator(){}
virtual std::string translate() const = 0;
};
struct IExceptionTranslatorRegistry {
virtual ~IExceptionTranslatorRegistry(){}
virtual void registerTranslator( IExceptionTranslator* translator ) = 0;
virtual std::string translateActiveException() const = 0;
};
class ExceptionTranslatorRegistrar {
template<typename T>
class ExceptionTranslator : public IExceptionTranslator {
public:
ExceptionTranslator( std::string(*translateFunction)( T& ) )
: m_translateFunction( translateFunction )
{}
virtual std::string translate() const {
try {
throw;
}
catch( T& ex ) {
return m_translateFunction( ex );
}
}
protected:
std::string(*m_translateFunction)( T& );
};
public:
template<typename T>
ExceptionTranslatorRegistrar( std::string(*translateFunction)( T& ) ) {
getCurrentContext().getExceptionTranslatorRegistry().registerTranslator
( new ExceptionTranslator<T>( translateFunction ) );
}
};
}
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TRANSLATE_EXCEPTION( signature ) \
static std::string INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionTranslator )( signature ); \
namespace{ Catch::ExceptionTranslatorRegistrar INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionRegistrar )( &INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionTranslator ) ); }\
static std::string INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionTranslator )( signature )
#endif // TWOBLUECUBES_CATCH_INTERFACES_EXCEPTIONS_H_INCLUDED