Implement document.currentScript

Source/core/dom/Document.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 90 matching lines @@
 class HTMLCollection;
 class HTMLAllCollection;
 class HTMLDocument;
 class HTMLElement;
 class HTMLFrameOwnerElement;
 class HTMLHeadElement;
 class HTMLImportsController;
 class HTMLIFrameElement;
 class HTMLMapElement;
 class HTMLNameCollection;
+class HTMLScriptElement;
 class HitTestRequest;
 class HitTestResult;
 class IntPoint;
 class LayoutPoint;
 class LayoutRect;
 class LiveNodeListBase;
 class DOMWrapperWorld;
 class JSNode;
 class Locale;
 class MediaQueryList;
@@ skipping 722 matching lines @@
     enum InheritedBool { off = false, on = true, inherit };    
     void setDesignMode(InheritedBool value);
     InheritedBool getDesignMode() const;
     bool inDesignMode() const;
 
     Document* parentDocument() const;
     Document* topDocument() const;
 
     ScriptRunner* scriptRunner() { return m_scriptRunner.get(); }
 
+    HTMLScriptElement* currentScript() const { return !m_currentScriptStack.isEmpty() ? m_currentScriptStack.last().get() : 0; }
+    void pushCurrentScript(PassRefPtr<HTMLScriptElement>);
+    void popCurrentScript();
+
     void applyXSLTransform(ProcessingInstruction* pi);
     PassRefPtr<Document> transformSourceDocument() { return m_transformSourceDocument; }
     void setTransformSourceDocument(Document* doc) { m_transformSourceDocument = doc; }
 
     void setTransformSource(PassOwnPtr<TransformSource>);
     TransformSource* transformSource() const { return m_transformSource.get(); }
 
     void incDOMTreeVersion() { m_domTreeVersion = ++s_globalTreeVersion; }
     uint64_t domTreeVersion() const { return m_domTreeVersion; }
 
@@ skipping 444 matching lines @@
     // and should be merged.
     bool m_processingLoadEvent;
     bool m_loadEventFinished;
 
     RefPtr<SerializedScriptValue> m_pendingStateObject;
     double m_startTime;
     bool m_overMinimumLayoutThreshold;
     
     OwnPtr<ScriptRunner> m_scriptRunner;
 
+    Vector<RefPtr<HTMLScriptElement> > m_currentScriptStack;
+
     OwnPtr<TransformSource> m_transformSource;
     RefPtr<Document> m_transformSourceDocument;
 
     String m_xmlEncoding;
     String m_xmlVersion;
     unsigned m_xmlStandalone : 2;
     unsigned m_hasXMLDeclaration : 1;
 
     String m_contentLanguage;
 
@@ skipping 159 matching lines @@
 inline bool Node::isDocumentNode() const
 {
     return this == documentInternal();
 }
 
 Node* eventTargetNodeForDocument(Document*);
 
 } // namespace WebCore
 
 #endif // Document_h