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      1 /*
      2  * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef ExceptionHandlers_h
     27 #define ExceptionHandlers_h
     28 
     29 #include <wtf/Assertions.h>
     30 
     31 #if !defined(NDEBUG) && !defined(DISABLE_THREAD_CHECK)
     32 #define DOM_ASSERT_MAIN_THREAD() do \
     33     if (!pthread_main_np()) { \
     34         WTFReportAssertionFailure(__FILE__, __LINE__, WTF_PRETTY_FUNCTION, "DOM access on non-main thread -- you will probably crash soon!"); \
     35     } \
     36 while (0)
     37 #else
     38 #define DOM_ASSERT_MAIN_THREAD() ((void)0)
     39 #endif
     40 
     41 namespace WebCore {
     42 
     43     typedef int ExceptionCode;
     44 
     45     class SelectionController;
     46     class Range;
     47 
     48     void raiseDOMException(ExceptionCode);
     49 
     50     inline void raiseOnDOMError(ExceptionCode ec)
     51     {
     52         if (ec)
     53             raiseDOMException(ec);
     54     }
     55 
     56 } // namespace WebCore
     57 
     58 #endif // ExceptionHandlers_h
     59