| /* |
| * Copyright (C) 2009 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 V8ConsoleMessage_h |
| #define V8ConsoleMessage_h |
| |
| #include "PlatformString.h" |
| #include <v8.h> |
| #include <wtf/Vector.h> |
| |
| namespace WebCore { |
| |
| class Page; |
| |
| // V8ConsoleMessage encapsulates everything needed to |
| // log messages originating from JavaScript to the console. |
| class V8ConsoleMessage { |
| public: |
| V8ConsoleMessage(const String& string, const String& sourceID, unsigned lineNumber); |
| |
| // Add a message to the console. May end up calling JavaScript code |
| // indirectly through the inspector so only call this function when |
| // it is safe to do allocations. |
| void dispatchNow(Page*); |
| |
| // Add a message to the console but delay the reporting until it |
| // is safe to do so: Either when we leave JavaScript execution or |
| // when adding other console messages. The primary purpose of this |
| // method is to avoid calling into V8 to handle console messages |
| // when the VM is in a state that does not support GCs or allocations. |
| // Delayed messages are always reported in the page corresponding |
| // to the active context. |
| void dispatchLater(); |
| |
| // Process any delayed messages. May end up calling JavaScript code |
| // indirectly through the inspector so only call this function when |
| // it is safe to do allocations. |
| static void processDelayed(); |
| |
| // Convenience class for ensuring that delayed messages in the |
| // ConsoleMessageManager are processed quickly. |
| class Scope { |
| public: |
| Scope() { V8ConsoleMessage::processDelayed(); } |
| ~Scope() { V8ConsoleMessage::processDelayed(); } |
| }; |
| |
| // Callback from V8. |
| static void handler(v8::Handle<v8::Message>, v8::Handle<v8::Value> data); |
| |
| private: |
| const String m_string; |
| const String m_sourceID; |
| const unsigned m_lineNumber; |
| |
| // All delayed messages are stored in this vector. If the vector |
| // is 0, there are no delayed messages. |
| static Vector<V8ConsoleMessage>* m_delayedMessages; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // V8ConsoleMessage_h |