Merge from Chromium at DEPS revision r212014
This commit was generated by merge_to_master.py.
Change-Id: Ib07d03553a1e81485ac4ffc92b91e977c4875409
diff --git a/Source/bindings/v8/ExceptionState.h b/Source/bindings/v8/ExceptionState.h
new file mode 100644
index 0000000..3f0de2d
--- /dev/null
+++ b/Source/bindings/v8/ExceptionState.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2013 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.
+ * * Neither the name of Google Inc. nor the names of its
+ * 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,
+ * 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.
+ */
+
+#ifndef ExceptionState_h
+#define ExceptionState_h
+
+#include "bindings/v8/ScopedPersistent.h"
+#include "bindings/v8/V8ThrowException.h"
+#include "wtf/Noncopyable.h"
+#include <v8.h>
+
+namespace WebCore {
+
+typedef int ExceptionCode;
+
+class ExceptionState {
+ WTF_MAKE_NONCOPYABLE(ExceptionState);
+public:
+ explicit ExceptionState(v8::Isolate* isolate)
+ : m_code(0)
+ , m_isolate(isolate) { }
+
+ virtual void throwDOMException(const ExceptionCode&, const char* message = 0);
+ virtual void throwTypeError(const char* message = 0);
+
+ bool hadException() const { return !m_exception.isEmpty() || m_code; }
+ void clearException();
+
+ bool throwIfNeeded()
+ {
+ if (m_exception.isEmpty()) {
+ if (!m_code)
+ return false;
+ throwDOMException(m_code);
+ }
+
+ V8ThrowException::throwError(m_exception.get());
+ return true;
+ }
+
+ // FIXME: Remove the rest of the public methods/operators once the transition is done.
+ typedef void* ExceptionState::*UnspecifiedBoolType;
+ operator UnspecifiedBoolType*() const
+ {
+ return m_code ? reinterpret_cast<UnspecifiedBoolType*>(1) : 0;
+ }
+
+ operator ExceptionCode& () { return m_code; }
+
+ ExceptionState& operator=(const ExceptionCode& ec)
+ {
+ throwDOMException(ec);
+ return *this;
+ }
+
+protected:
+ ExceptionCode m_code;
+
+private:
+ void setException(v8::Handle<v8::Value>);
+
+ ScopedPersistent<v8::Value> m_exception;
+ v8::Isolate* m_isolate;
+};
+
+class NonThrowExceptionState : public ExceptionState {
+public:
+ NonThrowExceptionState();
+ virtual void throwDOMException(const ExceptionCode&, const char* = 0) OVERRIDE FINAL;
+ virtual void throwTypeError(const char* = 0) OVERRIDE FINAL;
+};
+
+} // namespace WebCore
+
+#endif // ExceptionState_h