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/****************************************************************************
* Copyright (C) from 2009 to Present EPAM Systems.
*
* This file is part of Indigo toolkit.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
***************************************************************************/
#ifndef __exception_h__
#define __exception_h__
#include <cstdarg>
#include <cstring>
#include "base_c/defs.h"
namespace indigo
{
class DLLEXPORT Exception
{
public:
explicit Exception(const char* format, ...);
virtual ~Exception();
int code();
const char* message();
void appendMessage(const char* format, ...);
virtual Exception* clone();
virtual void throwSelf();
Exception(const Exception&);
protected:
explicit Exception();
void _init(const char* format, va_list args);
void _init(const char* prefix, const char* format, va_list args);
void _cloneTo(Exception* dest) const;
int _code;
char _message[1024];
private:
};
#define DECL_EXCEPTION_BODY(ExceptionName, Parent) \
ExceptionName: \
public \
Parent \
{ \
public: \
explicit ExceptionName(const char* format, ...); \
virtual ~ExceptionName(); \
virtual Exception* clone(); \
virtual void throwSelf(); \
ExceptionName(const ExceptionName& other); \
\
protected: \
explicit ExceptionName(); \
}
#define DECL_EXCEPTION2(ExceptionName, Parent) class DLLEXPORT DECL_EXCEPTION_BODY(ExceptionName, Parent)
#define DECL_EXCEPTION(ExceptionName) DECL_EXCEPTION2(ExceptionName, indigo::Exception)
#define DECL_EXCEPTION_NO_EXP2(ExceptionName, Parent) class DECL_EXCEPTION_BODY(ExceptionName, Parent)
#define DECL_EXCEPTION_NO_EXP(ExceptionName) DECL_EXCEPTION_NO_EXP2(ExceptionName, indigo::Exception)
#define IMPL_EXCEPTION2(Namespace, ExceptionName, Parent, prefix) \
Namespace::ExceptionName::ExceptionName() \
{ \
} \
\
Namespace::ExceptionName::ExceptionName(const char* format, ...) : Parent() \
{ \
va_list args; \
\
va_start(args, format); \
_init(prefix, format, args); \
va_end(args); \
} \
\
Namespace::ExceptionName::~ExceptionName() \
{ \
} \
\
indigo::Exception* Namespace::ExceptionName::clone() \
{ \
ExceptionName* error = new ExceptionName(""); \
_cloneTo(error); \
return error; \
} \
void Namespace::ExceptionName::throwSelf() \
{ \
throw *this; \
} \
Namespace::ExceptionName::ExceptionName(const ExceptionName& other) : Parent() \
{ \
other._cloneTo(this); \
}
#define IMPL_EXCEPTION(Namespace, ExceptionName, prefix) IMPL_EXCEPTION2(Namespace, ExceptionName, indigo::Exception, prefix)
#define DECL_ERROR2(Parent) DECL_EXCEPTION2(Error, Parent)
#define DECL_ERROR DECL_ERROR2(indigo::Exception)
#define DECL_ERROR_NO_EXP DECL_EXCEPTION_NO_EXP(Error)
#define DECL_TPL_ERROR(CommonErrorName) typedef CommonErrorName Error
#define IMPL_ERROR2(Namespace, Parent, error_prefix) IMPL_EXCEPTION2(Namespace, Error, Parent, error_prefix)
#define IMPL_ERROR(Namespace, error_prefix) IMPL_ERROR2(Namespace, indigo::Exception, error_prefix)
#define DECL_TIMEOUT_EXCEPTION DECL_EXCEPTION(TimeoutException)
#define IMPL_TIMEOUT_EXCEPTION(Namespace, prefix) IMPL_EXCEPTION(Namespace, TimeoutException, prefix " timeout")
} // namespace indigo
#endif // __exception_h__
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