/*
 * Copyright (C) 2003 Apple Computer, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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. 
 */

#import <Foundation/NSException.h>
#import "KWQAssertions.h"

class KWQNSHandler
{
 public:
    KWQNSHandler() { _NSAddHandler2(&handler); }
    ~KWQNSHandler() { _NSRemoveHandler2(&handler); }

    NSHandler2 handler;
 private:
    KWQNSHandler(const KWQNSHandler &);
    KWQNSHandler &operator=(const KWQNSHandler &);
};


void KWQReportBlockedException(KWQNSHandler& _localHandler);

#define KWQ_BLOCK_EXCEPTIONS                            \
{                                                       \
    KWQNSHandler _localHandler;	                        \
    if (!_NSSETJMP(_localHandler.handler._state, 0)) {


#define KWQ_UNBLOCK_EXCEPTIONS                    \
    } else {                                      \
        KWQReportBlockedException(_localHandler); \
    }                                             \
}

