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//-----------------------------------------------------------------------------
//
// Copyright (c) 1998 - 2007, The Regents of the University of California
// Produced at the Lawrence Livermore National Laboratory
// All rights reserved.
//
// This file is part of PyCXX. For details,see http://cxx.sourceforge.net/. The
// full copyright notice is contained in the file COPYRIGHT located at the root
// of the PyCXX distribution.
//
// 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 disclaimer below.
// - Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the disclaimer (as noted below) in the
// documentation and/or materials provided with the distribution.
// - Neither the name of the UC/LLNL 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 REGENTS OF THE UNIVERSITY OF
// CALIFORNIA, THE U.S. DEPARTMENT OF ENERGY 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 __CXX_Exception_h
#define __CXX_Exception_h
#include "../WrapPython.h"
#include "../Version.hxx"
#include "../Config.hxx"
#include "../CxxDebug.hxx"
#include "../IndirectPythonInterface.hxx"
#include <string>
#include <iostream>
// This mimics the Python structure, in order to minimize confusion
namespace Py
{
class ExtensionExceptionType;
class Object;
class BaseException
{
public:
BaseException( ExtensionExceptionType &exception, const std::string &reason );
BaseException( ExtensionExceptionType &exception, Object &reason );
BaseException( ExtensionExceptionType &exception, PyObject *reason );
BaseException( PyObject *exception, Object &reason );
BaseException( PyObject *exception, PyObject *reason );
BaseException( PyObject *exception, const std::string &reason );
explicit BaseException();
void clear(); // clear the error
virtual const char* what() const noexcept;
// is the exception this specific exception 'exc'
bool matches( ExtensionExceptionType &exc );
private:
std::string reasonMessage;
};
// for user defined exceptions to be made know to pycxx
typedef void (*throw_exception_func_t)( PyObject* exc );
void addPythonException( ExtensionExceptionType &py_exc_type, throw_exception_func_t throw_func );
#if defined( PYCXX_6_2_COMPATIBILITY )
class Exception : public BaseException
{
public:
Exception( ExtensionExceptionType &exception, const std::string &reason )
: BaseException( exception, reason )
{}
Exception( ExtensionExceptionType &exception, Object &reason )
: BaseException( exception, reason )
{}
Exception( ExtensionExceptionType &exception, PyObject *reason )
: BaseException( exception, reason )
{}
Exception( PyObject *exception, Object &reason )
: BaseException ( exception, reason )
{}
Exception( PyObject *exception, PyObject *reason )
: BaseException ( exception, reason )
{}
Exception( PyObject *exception, const std::string &reason )
: BaseException( exception, reason )
{}
explicit Exception()
: BaseException()
{}
};
#endif
#define PYCXX_STANDARD_EXCEPTION( eclass, bclass ) \
class eclass : public bclass \
{ \
public: \
eclass( const std::string &reason ) \
: bclass( _Exc_##eclass(), reason ) \
, reason(reason) \
{ } \
eclass( const char *reason ) \
: bclass( _Exc_##eclass(), reason ) \
, reason(reason) \
{ } \
eclass( PyObject *reason ) \
: bclass( _Exc_##eclass(), reason ) \
{ } \
eclass( PyObject *, const std::string &reason ) \
: bclass( _Exc_##eclass(), reason ) \
, reason(reason) \
{ } \
eclass( PyObject *, const char *reason ) \
: bclass( _Exc_##eclass(), reason ) \
, reason(reason) \
{ } \
eclass( PyObject *exception, PyObject *reason ) \
: bclass( exception, reason ) \
{ } \
eclass() : bclass() {} \
static void throwFunc(const std::string &reason) { throw eclass(reason); } \
static void throwFuncObj(PyObject *exception) { throw eclass(exception); } \
static PyObject *exceptionType() { return _Exc_##eclass(); } \
~eclass() {} \
private: \
std::string reason; \
};
#include "cxx_standard_exceptions.hxx"
#undef PYCXX_STANDARD_EXCEPTION
#define PYCXX_USER_EXCEPTION_STR_ARG( uclass ) \
class uclass : public Py::BaseException \
{ \
public: \
uclass( const std::string &reason ) \
: Py::BaseException( m_error, reason ) \
{ } \
~uclass() {} \
static void init( Py::ExtensionModuleBase &module ) \
{ \
m_error.init( module, #uclass ); \
Py::addPythonException( m_error, throwFunc ); \
Py::Dict d( module.moduleDictionary() ); \
d[#uclass] = m_error; \
} \
private: \
uclass() : Py::BaseException() {} \
static void throwFunc() \
{ \
throw uclass(); \
} \
static Py::ExtensionExceptionType m_error; \
}; \
Py::ExtensionExceptionType uclass::m_error;
#define PYCXX_USER_EXCEPTION_NO_ARG( uclass ) \
class uclass : public Py::BaseException \
{ \
public: \
uclass() \
: Py::BaseException() \
{ } \
~uclass() {} \
static void init( Py::ExtensionModuleBase &module ) \
{ \
m_error.init( module, #uclass ); \
Py::addPythonException( m_error, throwFunc ); \
Py::Dict d( module.moduleDictionary() ); \
d[#uclass] = m_error; \
} \
private: \
static void throwFunc() \
{ \
throw uclass(); \
} \
static Py::ExtensionExceptionType m_error; \
}; \
Py::ExtensionExceptionType uclass::m_error;
}// Py
#endif
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