The HTML parser synchronously creates custom elements

third_party/WebKit/Source/core/html/parser/HTMLConstructionSite.h

 /*
  * Copyright (C) 2010 Google, Inc. All Rights Reserved.
  * Copyright (C) 2011 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 13 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef HTMLConstructionSite_h
 #define HTMLConstructionSite_h
 
 #include "core/dom/Document.h"
 #include "core/dom/ParserContentPolicy.h"
 #include "core/html/parser/HTMLElementStack.h"
 #include "core/html/parser/HTMLFormattingElementList.h"
+#include "platform/heap/Handle.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
 struct HTMLConstructionSiteTask {
     DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
@@ skipping 50 matching lines @@
 
 enum FlushMode {
     // Flush pending text. Flush queued tasks.
     FlushAlways,
 
     // Flush pending text if node has length limit. Flush queued tasks.
     FlushIfAtTextLimit,
 };
 
 class AtomicHTMLToken;
+class CustomElementDefinition;
 class Document;
 class Element;
 class HTMLFormElement;
+class HTMLParserReentryPermit;
 
 class HTMLConstructionSite final {
     WTF_MAKE_NONCOPYABLE(HTMLConstructionSite);
     DISALLOW_NEW();
 public:
-    HTMLConstructionSite(Document&, ParserContentPolicy);
+    HTMLConstructionSite(HTMLParserReentryPermit*, Document&, ParserContentPolicy);
     ~HTMLConstructionSite();
     DECLARE_TRACE();
 
     void initFragmentParsing(DocumentFragment*, Element* contextElement);
 
     void detach();
 
     // executeQueuedTasks empties the queue but does not flush pending text.
     // NOTE: Possible reentrancy via JavaScript execution.
     void executeQueuedTasks();
@@ skipping 113 matching lines @@
 
     CreateElementFlags getCreateElementFlags() const;
     HTMLElement* createHTMLElement(AtomicHTMLToken*);
     Element* createElement(AtomicHTMLToken*, const AtomicString& namespaceURI);
 
     void mergeAttributesFromTokenIntoElement(AtomicHTMLToken*, Element*);
 
     void executeTask(HTMLConstructionSiteTask&);
     void queueTask(const HTMLConstructionSiteTask&);
 
+    CustomElementDefinition* lookUpCustomElementDefinition(Document&, AtomicHTMLToken*);
+
+    Member<HTMLParserReentryPermit> m_reentryPermit;
     Member<Document> m_document;
 
     // This is the root ContainerNode to which the parser attaches all newly
     // constructed nodes. It points to a DocumentFragment when parsing fragments
     // and a Document in all other cases.
     Member<ContainerNode> m_attachmentRoot;
 
     // https://html.spec.whatwg.org/multipage/syntax.html#head-element-pointer
     Member<HTMLStackItem> m_head;
     // https://html.spec.whatwg.org/multipage/syntax.html#form-element-pointer
@@ skipping 62 matching lines @@
     // "whenever a node would be inserted into the current node, it must instead
     // be foster parented."  This flag tracks whether we're in that state.
     bool m_redirectAttachToFosterParent;
 
     bool m_inQuirksMode;
 };
 
 } // namespace blink
 
 #endif