| /* |
| * 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 "wtf/text/WTFString.h" |
| #include <v8.h> |
| |
| namespace WebCore { |
| |
| typedef int ExceptionCode; |
| |
| class ExceptionState { |
| WTF_MAKE_NONCOPYABLE(ExceptionState); |
| public: |
| explicit ExceptionState(const v8::Handle<v8::Object>& creationContext, v8::Isolate* isolate) |
| : m_code(0) |
| , m_creationContext(creationContext) |
| , m_isolate(isolate) { } |
| |
| virtual void throwDOMException(const ExceptionCode&, const String& message); |
| virtual void throwTypeError(const String& message); |
| virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()); |
| |
| // Please don't use these methods. Use ::throwDOMException and ::throwTypeError, and pass in a useful exception message. |
| virtual void throwUninformativeAndGenericDOMException(const ExceptionCode& ec) { throwDOMException(ec, String()); } |
| virtual void throwUninformativeAndGenericTypeError() { throwTypeError(String()); } |
| |
| bool hadException() const { return !m_exception.isEmpty() || m_code; } |
| void clearException(); |
| |
| ExceptionCode code() { return m_code; } |
| |
| bool throwIfNeeded() |
| { |
| if (m_exception.isEmpty()) { |
| if (!m_code) |
| return false; |
| throwUninformativeAndGenericDOMException(m_code); |
| } |
| |
| V8ThrowException::throwError(m_exception.newLocal(m_isolate), m_isolate); |
| return true; |
| } |
| |
| protected: |
| ExceptionCode m_code; |
| |
| private: |
| void setException(v8::Handle<v8::Value>); |
| |
| ScopedPersistent<v8::Value> m_exception; |
| v8::Handle<v8::Object> m_creationContext; |
| v8::Isolate* m_isolate; |
| }; |
| |
| class TrackExceptionState : public ExceptionState { |
| public: |
| TrackExceptionState(): ExceptionState(v8::Handle<v8::Object>(), 0) { } |
| virtual void throwDOMException(const ExceptionCode&, const String& message) OVERRIDE FINAL; |
| virtual void throwTypeError(const String& message = String()) OVERRIDE FINAL; |
| virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()) OVERRIDE FINAL; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // ExceptionState_h |