kc3-lang/angle/src/compiler/translator/tree_util/NodeSearch.h

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• Author : Jamie Madill
  Date : 2020-08-28 14:45:14
  Hash : 5c56f228
  Message : Enable two override suggestion warnings. -Wsuggest-destructor-override and -Wsuggest-override. Bug: skia:7647 Change-Id: Iaac1baa8f34fdf210baf2fdbe811a582b3ac2d14 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2376717 Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>

• src/compiler/translator/tree_util/NodeSearch.h

• //
  // Copyright 2002 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.
  //
  // NodeSearch.h: Utilities for searching translator node graphs
  //
  
  #ifndef COMPILER_TRANSLATOR_TREEUTIL_NODESEARCH_H_
  #define COMPILER_TRANSLATOR_TREEUTIL_NODESEARCH_H_
  
  #include "compiler/translator/tree_util/IntermTraverse.h"
  
  namespace sh
  {
  
  template <class Parent>
  class NodeSearchTraverser : public TIntermTraverser
  {
    public:
      NodeSearchTraverser() : TIntermTraverser(true, false, false), mFound(false) {}
  
      bool found() const { return mFound; }
  
      static bool search(TIntermNode *node)
      {
          Parent searchTraverser;
          node->traverse(&searchTraverser);
          return searchTraverser.found();
      }
  
    protected:
      bool mFound;
  };
  
  class FindDiscard : public NodeSearchTraverser<FindDiscard>
  {
    public:
      bool visitBranch(Visit visit, TIntermBranch *node) override
      {
          switch (node->getFlowOp())
          {
              case EOpKill:
                  mFound = true;
                  break;
  
              default:
                  break;
          }
  
          return !mFound;
      }
  };
  }  // namespace sh
  
  #endif  // COMPILER_TRANSLATOR_TREEUTIL_NODESEARCH_H_