root/Source/bindings/v8/V8BindingMacros.h

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INCLUDED FROM


/*
 * Copyright (C) 2010 Google 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:
 *
 *     * 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.
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 * 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,
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 */

#ifndef V8BindingMacros_h
#define V8BindingMacros_h

namespace WebCore {

#define V8TRYCATCH(type, var, value)     \
    type var;                            \
    {                                    \
        v8::TryCatch block;              \
        var = (value);                   \
        if (UNLIKELY(block.HasCaught())) \
            return block.ReThrow();      \
    }

#define V8TRYCATCH_RETURN(type, var, value, retVal) \
    type var;                                       \
    {                                               \
        v8::TryCatch block;                         \
        var = (value);                              \
        if (UNLIKELY(block.HasCaught())) {          \
            block.ReThrow();                        \
            return retVal;                          \
        }                                           \
    }

#define V8TRYCATCH_EXCEPTION_RETURN(type, var, value, exceptionState, retVal) \
    type var;                                                                 \
    {                                                                         \
        v8::TryCatch block;                                                   \
        var = (value);                                                        \
        if (UNLIKELY(block.HasCaught()))                                      \
            exceptionState.rethrowV8Exception(block.Exception());             \
        if (UNLIKELY(exceptionState.throwIfNeeded()))                         \
            return retVal;                                                    \
    }

#define V8TRYCATCH_VOID(type, var, value)  \
    type var;                              \
    {                                      \
        v8::TryCatch block;                \
        var = (value);                     \
        if (UNLIKELY(block.HasCaught())) { \
            block.ReThrow();               \
            return;                        \
        }                                  \
    }

#define V8TRYCATCH_EXCEPTION_VOID(type, var, value, exceptionState) \
    type var;                                                       \
    {                                                               \
        v8::TryCatch block;                                         \
        var = (value);                                              \
        if (UNLIKELY(block.HasCaught()))                            \
            exceptionState.rethrowV8Exception(block.Exception());   \
        if (UNLIKELY(exceptionState.throwIfNeeded()))               \
            return;                                                 \
    }

#define V8TRYCATCH_FOR_V8STRINGRESOURCE_RETURN(type, var, value, retVal) \
    type var(value);                                                     \
    if (UNLIKELY(!var.prepare()))                                        \
        return retVal;

#define V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(type, var, value) \
    type var(value);                                           \
    if (UNLIKELY(!var.prepare()))                              \
        return;

} // namespace WebCore

#endif // V8BindingMacros_h

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