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/*
Copyright (C) 2000, 2001, 2002 RiskMap 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 ferdinando@ametrano.net
The license is also available online at http://quantlib.org/html/license.html
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.
\fullpath
ql/%errors.hpp
*/
// $Id: errors.hpp,v 1.8 2002/01/16 14:43:47 nando Exp $
#ifndef quantlib_errors_hpp
#define quantlib_errors_hpp
#include <ql/qldefines.hpp>
#include <exception>
#include <string>
namespace QuantLib {
//! Base error class
class Error : public std::exception {
public:
explicit Error(const std::string& what = "") : message(what) {}
~Error() throw() {}
//! returns the error message.
const char* what() const throw () { return message.c_str(); }
private:
std::string message;
};
//! Specialized error
/*! Thrown upon a failed assertion.
*/
class AssertionFailedError : public Error {
public:
explicit AssertionFailedError(const std::string& what = "")
: Error(what) {}
};
//! Specialized error
/*! Thrown upon an unsatisfied precondition.
*/
class PreconditionNotSatisfiedError : public Error {
public:
explicit PreconditionNotSatisfiedError(const std::string& what = "")
: Error(what) {}
};
//! Specialized error
/*! Thrown upon an unsatisfied postcondition.
*/
class PostconditionNotSatisfiedError : public Error {
public:
explicit PostconditionNotSatisfiedError(const std::string& what = "")
: Error(what) {}
};
//! Specialized error
/*! Thrown upon accessing an array or container
outside its range.
*/
class IndexError : public Error {
public:
explicit IndexError(const std::string& what = "")
: Error(what) {}
};
//! Specialized error
/*! Thrown upon passing an argument with an illegal value.
*/
class IllegalArgumentError : public Error {
public:
explicit IllegalArgumentError(const std::string& what = "")
: Error(what) {}
};
//! Specialized error
/*! Thrown upon obtaining a result outside the allowed range.
*/
class IllegalResultError : public Error {
public:
explicit IllegalResultError(const std::string& what = "")
: Error(what) {}
};
//! Specialized error
/*! Thrown upon failed allocation.
*/
class OutOfMemoryError : public Error {
public:
explicit OutOfMemoryError(
const std::string& whatClass = "unknown class")
: Error(whatClass+": out of memory") {}
};
}
/*! \def QL_ASSERT
\brief throw an error if the given condition is not verified
\relates Error
*/
#define QL_ASSERT(condition,description) \
do { \
if (!(condition)) \
throw QuantLib::AssertionFailedError(description); \
} while (false)
/*! \def QL_REQUIRE
\brief throw an error if the given pre-condition is not verified
\relates Error
*/
#define QL_REQUIRE(condition,description) \
do { \
if (!(condition)) \
throw QuantLib::PreconditionNotSatisfiedError(description); \
} while (false)
/*! \def QL_ENSURE
\brief throw an error if the given post-condition is not verified
\relates Error
*/
#define QL_ENSURE(condition,description) \
do { \
if (!(condition)) \
throw QuantLib::PostconditionNotSatisfiedError(description); \
} while (false)
#endif
|
