ExceptionCodePlaceholder.h   [plain text]


/*
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#ifndef ExceptionCodePlaceholder_h
#define ExceptionCodePlaceholder_h

#include <wtf/Assertions.h>
#include <wtf/Noncopyable.h>

namespace WebCore {

typedef int ExceptionCode;

class ExceptionCodePlaceholder {
    WTF_MAKE_NONCOPYABLE(ExceptionCodePlaceholder);
public:
    ExceptionCodePlaceholder() { }
    explicit ExceptionCodePlaceholder(ExceptionCode);

    operator ExceptionCode& () const { return m_code; }

protected:
    mutable ExceptionCode m_code;
};

inline ExceptionCodePlaceholder::ExceptionCodePlaceholder(ExceptionCode code)
    : m_code(code)
{
}

class IgnorableExceptionCode : public ExceptionCodePlaceholder {
};

#define IGNORE_EXCEPTION ::WebCore::IgnorableExceptionCode()

#if ASSERT_DISABLED

#define ASSERT_NO_EXCEPTION ::WebCore::IgnorableExceptionCode()

#else

class NoExceptionAssertionChecker : public ExceptionCodePlaceholder {
public:
    WEBCORE_EXPORT NoExceptionAssertionChecker(const char* file, int line);
    WEBCORE_EXPORT ~NoExceptionAssertionChecker();

private:
    static const ExceptionCode defaultExceptionCode = 0xaaaaaaaa;
    const char* m_file;
    int m_line;
};

#define ASSERT_NO_EXCEPTION ::WebCore::NoExceptionAssertionChecker(__FILE__, __LINE__)

#endif

}

#endif