kc3-lang/angle/src/compiler/translator/UnfoldShortCircuitAST.h

• Show log

  Commit

• Hash : b1a85f48
  Author :
  Date : 2014-08-19T15:23:24
  

  Rename compiler intermediate source files.
  
  This prevents confusion between "TIntermediate" and "TIntermNode".
  
  BUG=angle:711
  
  Change-Id: Ib7a086382a479db3f77bf2ab06ce321aa7b35d13
  Reviewed-on: https://chromium-review.googlesource.com/212936
  Tested-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Zhenyao Mo <zmo@chromium.org>
  Reviewed-by: Nicolas Capens <capn@chromium.org>
  

Download

• src/compiler/translator/UnfoldShortCircuitAST.h

• //
  // Copyright (c) 2002-2013 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.
  //
  // UnfoldShortCircuitAST is an AST traverser to replace short-circuiting
  // operations with ternary operations.
  //
  
  #ifndef COMPILER_UNFOLD_SHORT_CIRCUIT_AST_H_
  #define COMPILER_UNFOLD_SHORT_CIRCUIT_AST_H_
  
  #include "common/angleutils.h"
  #include "compiler/translator/IntermNode.h"
  
  // This traverser identifies all the short circuit binary  nodes that need to
  // be replaced, and creates the corresponding replacement nodes. However,
  // the actual replacements happen after the traverse through updateTree().
  
  class UnfoldShortCircuitAST : public TIntermTraverser
  {
    public:
      UnfoldShortCircuitAST() { }
  
      virtual bool visitBinary(Visit visit, TIntermBinary *);
  
      void updateTree();
  
    private:
      struct NodeUpdateEntry
      {
          NodeUpdateEntry(TIntermNode *_parent,
                          TIntermNode *_original,
                          TIntermNode *_replacement)
              : parent(_parent),
                original(_original),
                replacement(_replacement) {}
  
          TIntermNode *parent;
          TIntermNode *original;
          TIntermNode *replacement;
      };
  
      // During traversing, save all the replacements that need to happen;
      // then replace them by calling updateNodes().
      std::vector<NodeUpdateEntry> replacements;
  
      DISALLOW_COPY_AND_ASSIGN(UnfoldShortCircuitAST);
  };
  
  #endif  // COMPILER_UNFOLD_SHORT_CIRCUIT_AST_H_
  

Download