src/third_party/blink/Source/bindings/core/v8/ExceptionStatePlaceholder.h

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 * this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef ExceptionStatePlaceholder_h
#define ExceptionStatePlaceholder_h

#include "bindings/core/v8/ExceptionState.h"
#include "wtf/Assertions.h"
#include "wtf/text/WTFString.h"
#include <v8.h>

namespace blink {

class ExceptionState;

typedef int ExceptionCode;

class IgnorableExceptionState final : public ExceptionState {
public:
    IgnorableExceptionState(): ExceptionState(ExceptionState::UnknownContext, 0, 0, v8::Handle<v8::Object>(), 0) { }
    ExceptionState& returnThis() { return *this; }
    virtual void throwDOMException(const ExceptionCode&, const String& message = String()) override { }
    virtual void throwTypeError(const String& message = String()) override { }
    virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()) override { }
};

#define IGNORE_EXCEPTION (::blink::IgnorableExceptionState().returnThis())

#if ENABLE(ASSERT)

class NoExceptionStateAssertionChecker final : public ExceptionState {
public:
    NoExceptionStateAssertionChecker(const char* file, int line);
    ExceptionState& returnThis() { return *this; }
    virtual void throwDOMException(const ExceptionCode&, const String& message = String()) override;
    virtual void throwTypeError(const String& message = String()) override;
    virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()) override;

private:
    const char* m_file;
    int m_line;
};

#define ASSERT_NO_EXCEPTION (::blink::NoExceptionStateAssertionChecker(__FILE__, __LINE__).returnThis())

#else

#define ASSERT_NO_EXCEPTION (::blink::IgnorableExceptionState().returnThis())

#endif

} // namespace blink

#endif // ExceptionStatePlaceholder_h