author | klao |
Sun, 09 Jan 2005 20:08:53 +0000 | |
changeset 1064 | 5f0a20861a77 |
parent 921 | 818510fa3d99 |
permissions | -rw-r--r-- |
alpar@906 | 1 |
/* -*- C++ -*- |
alpar@921 | 2 |
* src/lemon/error.h - Part of LEMON, a generic C++ optimization library |
alpar@906 | 3 |
* |
alpar@906 | 4 |
* Copyright (C) 2004 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
alpar@906 | 5 |
* (Egervary Combinatorial Optimization Research Group, EGRES). |
alpar@906 | 6 |
* |
alpar@906 | 7 |
* Permission to use, modify and distribute this software is granted |
alpar@906 | 8 |
* provided that this copyright notice appears in all copies. For |
alpar@906 | 9 |
* precise terms see the accompanying LICENSE file. |
alpar@906 | 10 |
* |
alpar@906 | 11 |
* This software is provided "AS IS" with no warranty of any kind, |
alpar@906 | 12 |
* express or implied, and with no claim as to its suitability for any |
alpar@906 | 13 |
* purpose. |
alpar@906 | 14 |
* |
alpar@906 | 15 |
*/ |
alpar@883 | 16 |
|
alpar@921 | 17 |
#ifndef LEMON_ERROR_H |
alpar@921 | 18 |
#define LEMON_ERROR_H |
alpar@883 | 19 |
|
alpar@883 | 20 |
//! \ingroup misc |
alpar@883 | 21 |
//! \file |
alpar@883 | 22 |
//! \brief Basic error handling (signaling) routines. |
alpar@883 | 23 |
|
alpar@883 | 24 |
#include <exception> |
alpar@883 | 25 |
#include <string> |
alpar@883 | 26 |
#include <sstream> |
alpar@883 | 27 |
|
alpar@883 | 28 |
|
alpar@921 | 29 |
namespace lemon { |
alpar@883 | 30 |
|
alpar@883 | 31 |
/** |
alpar@883 | 32 |
* \brief Generic exception class. |
alpar@883 | 33 |
* |
alpar@883 | 34 |
* \todo Do we need this? |
alpar@883 | 35 |
* |
alpar@883 | 36 |
* \todo Don't we need different kind of exceptions for different kind |
alpar@883 | 37 |
* of errors? |
alpar@883 | 38 |
* Shouldn't we use \<stdexcept\> instead? |
alpar@883 | 39 |
*/ |
alpar@883 | 40 |
class Exception : public std::exception { |
alpar@883 | 41 |
protected: |
alpar@883 | 42 |
std::ostringstream buf; |
alpar@883 | 43 |
public: |
alpar@883 | 44 |
Exception() {} |
alpar@883 | 45 |
explicit Exception(const std::string &s) { buf << s; } |
alpar@883 | 46 |
Exception(const Exception &e) : std::exception() { |
alpar@883 | 47 |
buf << e.buf.str(); |
alpar@883 | 48 |
} |
alpar@883 | 49 |
virtual ~Exception() throw() {} |
alpar@883 | 50 |
|
alpar@883 | 51 |
virtual const char* what() const throw() { |
alpar@883 | 52 |
return buf.str().c_str(); |
alpar@883 | 53 |
} |
alpar@883 | 54 |
|
klao@993 | 55 |
template <typename T> |
klao@993 | 56 |
Exception& operator<<(T const& t) { buf << t; return *this; } |
alpar@883 | 57 |
}; |
alpar@883 | 58 |
|
alpar@883 | 59 |
/** |
alpar@883 | 60 |
* \brief Generic error signaling function. |
alpar@883 | 61 |
* |
alpar@883 | 62 |
* \todo Do we really need this? Is it helpful? |
alpar@883 | 63 |
*/ |
alpar@883 | 64 |
inline void fault(const std::string &msg) { |
alpar@883 | 65 |
throw Exception(msg); |
alpar@883 | 66 |
} |
alpar@883 | 67 |
|
alpar@883 | 68 |
/** |
alpar@883 | 69 |
* \brief Macro for mark not yet implemented features. |
alpar@883 | 70 |
* |
alpar@883 | 71 |
* \todo Is this the right place for this? It should be used only in |
alpar@883 | 72 |
* modules under development. |
alpar@883 | 73 |
*/ |
alpar@883 | 74 |
|
alpar@883 | 75 |
# define FIXME(msg) \ |
alpar@921 | 76 |
do { throw ::lemon::Exception() << "FIXME: " msg " (in: " \ |
klao@993 | 77 |
__FILE__ ", " << __LINE__ << ")"; \ |
alpar@883 | 78 |
} while(false) |
alpar@883 | 79 |
|
alpar@883 | 80 |
} |
alpar@921 | 81 |
#endif // LEMON_ERROR_H |