michael@0: //
michael@0: // Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: // UnfoldShortCircuit is an AST traverser to output short-circuiting operators as if-else statements
michael@0: //
michael@0: 
michael@0: #ifndef COMPILER_UNFOLDSHORTCIRCUIT_H_
michael@0: #define COMPILER_UNFOLDSHORTCIRCUIT_H_
michael@0: 
michael@0: #include "compiler/intermediate.h"
michael@0: #include "compiler/ParseHelper.h"
michael@0: 
michael@0: namespace sh
michael@0: {
michael@0: class OutputHLSL;
michael@0: 
michael@0: class UnfoldShortCircuit : public TIntermTraverser
michael@0: {
michael@0:   public:
michael@0:     UnfoldShortCircuit(TParseContext &context, OutputHLSL *outputHLSL);
michael@0: 
michael@0:     void traverse(TIntermNode *node);
michael@0:     bool visitBinary(Visit visit, TIntermBinary*);
michael@0:     bool visitSelection(Visit visit, TIntermSelection *node);
michael@0:     bool visitLoop(Visit visit, TIntermLoop *node);
michael@0: 
michael@0:     int getNextTemporaryIndex();
michael@0: 
michael@0:   protected:
michael@0:     TParseContext &mContext;
michael@0:     OutputHLSL *const mOutputHLSL;
michael@0: 
michael@0:     int mTemporaryIndex;
michael@0: };
michael@0: }
michael@0: 
michael@0: #endif   // COMPILER_UNFOLDSHORTCIRCUIT_H_