kc3-lang/angle/src/compiler/translator/RemoveTree.cpp

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• Hash : dd0d3426
  Author :
  Date : 2014-03-26T14:01:56
  

  Use a heap-memory traversal to free compiler resources.
  
  The stack-memory traversal is prone to stack overflow. See the
  WebGL conformance test long-expressions-should-not-crash.
  
  BUG=angle:584
  
  Change-Id: I02d72bc2e4101b7141d609c50303403ea8298e60
  Reviewed-on: https://chromium-review.googlesource.com/191930
  Reviewed-by: Zhenyao Mo <zmo@chromium.org>
  Reviewed-by: Nicolas Capens <nicolascapens@chromium.org>
  Tested-by: Jamie Madill <jmadill@chromium.org>
  

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• src/compiler/translator/RemoveTree.cpp

• //
  // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  #include "compiler/translator/intermediate.h"
  #include "compiler/translator/RemoveTree.h"
  
  //
  // Code to delete the intermediate tree.
  //
  void RemoveAllTreeNodes(TIntermNode* root)
  {
      std::queue<TIntermNode*> nodeQueue;
  
      nodeQueue.push(root);
  
      while (!nodeQueue.empty())
      {
          TIntermNode *node = nodeQueue.front();
          nodeQueue.pop();
  
          node->enqueueChildren(&nodeQueue);
  
          delete node;
      }
  }
  
  

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