Implement document.currentScript

Source/core/dom/Document.cpp

 /*
  * 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, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 105 matching lines @@
 #include "core/html/HTMLBodyElement.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLCollection.h"
 #include "core/html/HTMLDocument.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/html/HTMLHeadElement.h"
 #include "core/html/HTMLIFrameElement.h"
 #include "core/html/HTMLLinkElement.h"
 #include "core/html/HTMLMapElement.h"
 #include "core/html/HTMLNameCollection.h"
+#include "core/html/HTMLScriptElement.h"
 #include "core/html/HTMLStyleElement.h"
 #include "core/html/HTMLTitleElement.h"
 #include "core/html/PluginDocument.h"
 #include "core/html/parser/HTMLDocumentParser.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/html/parser/NestingLevelIncrementer.h"
 #include "core/inspector/InspectorCounters.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/inspector/ScriptCallStack.h"
 #include "core/loader/CookieJar.h"
@@ skipping 3776 matching lines @@
         if (!equalIgnoringCase(linkElement->type(), openSearchMIMEType) || !equalIgnoringCase(linkElement->rel(), openSearchRelation))
             continue;
         if (linkElement->href().isEmpty())
             continue;
         return linkElement->href();
     }
 
     return KURL();
 }
 
+void Document::setCurrentScript(PassRefPtr<HTMLScriptElement> newCurrentScript)
+{
+    if (!newCurrentScript) {
+        m_currentScript.clear();

[esprehn, 2013/05/14 22:50:09]

We usually prefer to do these in separate methods like clearCurrentScript() and
setCurrentScript() with an ASSERT in the setter.

+        return;
+    }
+
+    m_currentScript = newCurrentScript;
+}
+
 void Document::applyXSLTransform(ProcessingInstruction* pi)
 {
     RefPtr<XSLTProcessor> processor = XSLTProcessor::create();
     processor->setXSLStyleSheet(static_cast<XSLStyleSheet*>(pi->sheet()));
     String resultMIMEType;
     String newSource;
     String resultEncoding;
     if (!processor->transformToString(this, resultMIMEType, newSource, resultEncoding))
         return;
     // FIXME: If the transform failed we should probably report an error (like Mozilla does).
@@ skipping 1696 matching lines @@
         return;
 
     Vector<RefPtr<Element> > associatedFormControls;
     copyToVector(m_associatedFormControls, associatedFormControls);
 
     frame()->page()->chrome()->client()->didAssociateFormControls(associatedFormControls);
     m_associatedFormControls.clear();
 }
 
 } // namespace WebCore