mirror of
https://github.com/opencv/opencv.git
synced 2024-11-27 12:40:05 +08:00
267 lines
8.0 KiB
C++
267 lines
8.0 KiB
C++
///////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
|
|
// Digital Ltd. LLC
|
|
//
|
|
// 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 Industrial Light & Magic 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 THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS 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.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
#ifndef INCLUDED_IEXBASEEXC_H
|
|
#define INCLUDED_IEXBASEEXC_H
|
|
|
|
|
|
//----------------------------------------------------------
|
|
//
|
|
// A general exception base class, and a few
|
|
// useful exceptions derived from the base class.
|
|
//
|
|
//----------------------------------------------------------
|
|
|
|
#include <string>
|
|
#include <exception>
|
|
#include <sstream>
|
|
|
|
namespace Iex {
|
|
|
|
#if (defined _WIN32 || defined _WIN64) && defined _MSC_VER
|
|
// Tell MS VC++ to suppress exception specification warnings
|
|
#pragma warning(disable:4290)
|
|
#endif
|
|
|
|
//-------------------------------
|
|
// Our most basic exception class
|
|
//-------------------------------
|
|
|
|
class BaseExc: public std::string, public std::exception
|
|
{
|
|
public:
|
|
|
|
//----------------------------
|
|
// Constructors and destructor
|
|
//----------------------------
|
|
|
|
BaseExc (const char *s = 0) throw(); // std::string (s)
|
|
BaseExc (const std::string &s) throw(); // std::string (s)
|
|
BaseExc (std::stringstream &s) throw(); // std::string (s.str())
|
|
|
|
BaseExc (const BaseExc &be) throw();
|
|
virtual ~BaseExc () throw ();
|
|
|
|
//--------------------------------------------
|
|
// what() method -- e.what() returns e.c_str()
|
|
//--------------------------------------------
|
|
|
|
virtual const char * what () const throw ();
|
|
|
|
|
|
//--------------------------------------------------
|
|
// Convenient methods to change the exception's text
|
|
//--------------------------------------------------
|
|
|
|
BaseExc & assign (std::stringstream &s); // assign (s.str())
|
|
BaseExc & operator = (std::stringstream &s);
|
|
|
|
BaseExc & append (std::stringstream &s); // append (s.str())
|
|
BaseExc & operator += (std::stringstream &s);
|
|
|
|
|
|
//--------------------------------------------------
|
|
// These methods from the base class get obscured by
|
|
// the definitions above.
|
|
//--------------------------------------------------
|
|
|
|
BaseExc & assign (const char *s);
|
|
BaseExc & operator = (const char *s);
|
|
|
|
BaseExc & append (const char *s);
|
|
BaseExc & operator += (const char *s);
|
|
|
|
|
|
//--------------------------------------------------
|
|
// Stack trace for the point at which the exception
|
|
// was thrown. The stack trace will be an empty
|
|
// string unless a working stack-tracing routine
|
|
// has been installed (see below, setStackTracer()).
|
|
//--------------------------------------------------
|
|
|
|
const std::string & stackTrace () const;
|
|
|
|
private:
|
|
|
|
std::string _stackTrace;
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------
|
|
// A macro to save typing when declararing an exception
|
|
// class derived directly or indirectly from BaseExc:
|
|
//-----------------------------------------------------
|
|
|
|
#define DEFINE_EXC(name, base) \
|
|
class name: public base \
|
|
{ \
|
|
public: \
|
|
name (const char* text=0) throw(): base (text) {} \
|
|
name (const std::string &text) throw(): base (text) {} \
|
|
name (std::stringstream &text) throw(): base (text) {} \
|
|
};
|
|
|
|
|
|
//--------------------------------------------------------
|
|
// Some exceptions which should be useful in most programs
|
|
//--------------------------------------------------------
|
|
|
|
DEFINE_EXC (ArgExc, BaseExc) // Invalid arguments to a function call
|
|
|
|
DEFINE_EXC (LogicExc, BaseExc) // General error in a program's logic,
|
|
// for example, a function was called
|
|
// in a context where the call does
|
|
// not make sense.
|
|
|
|
DEFINE_EXC (InputExc, BaseExc) // Invalid input data, e.g. from a file
|
|
|
|
DEFINE_EXC (IoExc, BaseExc) // Input or output operation failed
|
|
|
|
DEFINE_EXC (MathExc, BaseExc) // Arithmetic exception; more specific
|
|
// exceptions derived from this class
|
|
// are defined in ExcMath.h
|
|
|
|
DEFINE_EXC (ErrnoExc, BaseExc) // Base class for exceptions corresponding
|
|
// to errno values (see errno.h); more
|
|
// specific exceptions derived from this
|
|
// class are defined in ExcErrno.h
|
|
|
|
DEFINE_EXC (NoImplExc, BaseExc) // Missing method exception e.g. from a
|
|
// call to a method that is only partially
|
|
// or not at all implemented. A reminder
|
|
// to lazy software people to get back
|
|
// to work.
|
|
|
|
DEFINE_EXC (NullExc, BaseExc) // A pointer is inappropriately null.
|
|
|
|
DEFINE_EXC (TypeExc, BaseExc) // An object is an inappropriate type,
|
|
// i.e. a dynamnic_cast failed.
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
// Stack-tracing support:
|
|
//
|
|
// setStackTracer(st)
|
|
//
|
|
// installs a stack-tracing routine, st, which will be called from
|
|
// class BaseExc's constructor every time an exception derived from
|
|
// BaseExc is thrown. The stack-tracing routine should return a
|
|
// string that contains a printable representation of the program's
|
|
// current call stack. This string will be stored in the BaseExc
|
|
// object; the string is accesible via the BaseExc::stackTrace()
|
|
// method.
|
|
//
|
|
// setStackTracer(0)
|
|
//
|
|
// removes the current stack tracing routine. When an exception
|
|
// derived from BaseExc is thrown, the stack trace string stored
|
|
// in the BaseExc object will be empty.
|
|
//
|
|
// stackTracer()
|
|
//
|
|
// returns a pointer to the current stack-tracing routine, or 0
|
|
// if there is no current stack stack-tracing routine.
|
|
//
|
|
//----------------------------------------------------------------------
|
|
|
|
typedef std::string (* StackTracer) ();
|
|
|
|
void setStackTracer (StackTracer stackTracer);
|
|
StackTracer stackTracer ();
|
|
|
|
|
|
//-----------------
|
|
// Inline functions
|
|
//-----------------
|
|
|
|
inline BaseExc &
|
|
BaseExc::operator = (std::stringstream &s)
|
|
{
|
|
return assign (s);
|
|
}
|
|
|
|
|
|
inline BaseExc &
|
|
BaseExc::operator += (std::stringstream &s)
|
|
{
|
|
return append (s);
|
|
}
|
|
|
|
|
|
inline BaseExc &
|
|
BaseExc::assign (const char *s)
|
|
{
|
|
std::string::assign(s);
|
|
return *this;
|
|
}
|
|
|
|
|
|
inline BaseExc &
|
|
BaseExc::operator = (const char *s)
|
|
{
|
|
return assign(s);
|
|
}
|
|
|
|
|
|
inline BaseExc &
|
|
BaseExc::append (const char *s)
|
|
{
|
|
std::string::append(s);
|
|
return *this;
|
|
}
|
|
|
|
|
|
inline BaseExc &
|
|
BaseExc::operator += (const char *s)
|
|
{
|
|
return append(s);
|
|
}
|
|
|
|
|
|
inline const std::string &
|
|
BaseExc::stackTrace () const
|
|
{
|
|
return _stackTrace;
|
|
}
|
|
|
|
#if (defined _WIN32 || defined _WIN64) && defined _MSC_VER
|
|
#pragma warning(default:4290)
|
|
#endif
|
|
|
|
} // namespace Iex
|
|
|
|
#endif
|