parser/html/nsHtml5TreeOpStage.h
author Nicolas B. Pierron <nicolas.b.pierron@mozilla.com>
Wed, 01 Mar 2017 13:36:50 +0000
changeset 345305 109aaf987508596bea32fce8dabf671b2075b7b9
parent 144096 e51ff50dea786501242d66a5d545f5ff8522aefc
child 399220 3d28ca7c05d8f9ba3ba6ff1cd5449dce42ae95c1
permissions -rw-r--r--
Bug 1341951 - Use override keyword for all virtual methods of Recover Instructions. r=Waldo

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsHtml5TreeOpStage_h
#define nsHtml5TreeOpStage_h

#include "mozilla/Mutex.h"
#include "nsHtml5TreeOperation.h"
#include "nsTArray.h"
#include "nsAHtml5TreeOpSink.h"
#include "nsHtml5SpeculativeLoad.h"

class nsHtml5TreeOpStage : public nsAHtml5TreeOpSink {
  public:
  
    nsHtml5TreeOpStage();
    
    virtual ~nsHtml5TreeOpStage();
  
    /**
     * Flush the operations from the tree operations from the argument
     * queue unconditionally.
     */
    virtual void MoveOpsFrom(nsTArray<nsHtml5TreeOperation>& aOpQueue);
    
    /**
     * Retrieve the staged operations and speculative loads into the arguments.
     */
    void MoveOpsAndSpeculativeLoadsTo(nsTArray<nsHtml5TreeOperation>& aOpQueue,
        nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue);

    /**
     * Move the speculative loads from the argument into the staging queue.
     */
    void MoveSpeculativeLoadsFrom(nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue);

    /**
     * Retrieve the staged speculative loads into the argument.
     */
    void MoveSpeculativeLoadsTo(nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue);

#ifdef DEBUG
    void AssertEmpty();
#endif

  private:
    nsTArray<nsHtml5TreeOperation> mOpQueue;
    nsTArray<nsHtml5SpeculativeLoad> mSpeculativeLoadQueue;
    mozilla::Mutex mMutex;
    
};

#endif /* nsHtml5TreeOpStage_h */