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/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
Copyright (C) 2000, 2001, 2002, 2003 RiskMap srl
Copyright (C) 2003, 2004, 2005 StatPro Italia srl
This file is part of QuantLib, a free-software/open-source library
for financial quantitative analysts and developers - http://quantlib.org/
QuantLib is free software: you can redistribute it and/or modify it
under the terms of the QuantLib license. You should have received a
copy of the license along with this program; if not, please email
<quantlib-dev@lists.sf.net>. The license is also available online at
<http://quantlib.org/license.shtml>.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the license for more details.
*/
/*! \file errors.hpp
\brief Classes and functions for error handling.
*/
#ifndef quantlib_errors_hpp
#define quantlib_errors_hpp
#include <ql/qldefines.hpp>
#include <boost/assert.hpp>
#include <boost/current_function.hpp>
#include <boost/shared_ptr.hpp>
#include <exception>
#include <sstream>
namespace QuantLib {
//! Base error class
class Error : public std::exception {
public:
/*! The explicit use of this constructor is not advised.
Use the QL_FAIL macro instead.
*/
Error(const std::string& file, long line,
const std::string& function,
const std::string& message = "");
/*! the automatically generated destructor would
not have the throw specifier.
*/
~Error() throw() {}
//! returns the error message.
const char* what() const throw ();
private:
boost::shared_ptr<std::string> message_;
};
}
/*! \def QL_FAIL
\brief throw an error (possibly with file and line information)
*/
#define QL_FAIL(message) \
do { \
std::ostringstream _ql_msg_stream; \
_ql_msg_stream << message; \
throw QuantLib::Error(__FILE__,__LINE__, \
BOOST_CURRENT_FUNCTION,_ql_msg_stream.str()); \
} while (false)
/*! \def QL_ASSERT
\brief throw an error if the given condition is not verified
*/
#define QL_ASSERT(condition,message) \
if (!(condition)) { \
std::ostringstream _ql_msg_stream; \
_ql_msg_stream << message; \
throw QuantLib::Error(__FILE__,__LINE__, \
BOOST_CURRENT_FUNCTION,_ql_msg_stream.str()); \
} else
/*! \def QL_REQUIRE
\brief throw an error if the given pre-condition is not verified
*/
#define QL_REQUIRE(condition,message) \
if (!(condition)) { \
std::ostringstream _ql_msg_stream; \
_ql_msg_stream << message; \
throw QuantLib::Error(__FILE__,__LINE__, \
BOOST_CURRENT_FUNCTION,_ql_msg_stream.str()); \
} else
/*! \def QL_ENSURE
\brief throw an error if the given post-condition is not verified
*/
#define QL_ENSURE(condition,message) \
if (!(condition)) { \
std::ostringstream _ql_msg_stream; \
_ql_msg_stream << message; \
throw QuantLib::Error(__FILE__,__LINE__, \
BOOST_CURRENT_FUNCTION,_ql_msg_stream.str()); \
} else
#endif
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