michael@0: //
michael@0: // Copyright (c) 2002-2010 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: // SearchSymbol is an AST traverser to detect the use of a given symbol name
michael@0: //
michael@0: 
michael@0: #ifndef COMPILER_SEARCHSYMBOL_H_
michael@0: #define COMPILER_SEARCHSYMBOL_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 SearchSymbol : public TIntermTraverser
michael@0: {
michael@0:   public:
michael@0:     SearchSymbol(const TString &symbol);
michael@0: 
michael@0:     void traverse(TIntermNode *node);
michael@0:     void visitSymbol(TIntermSymbol *symbolNode);
michael@0: 
michael@0:     bool foundMatch() const;
michael@0: 
michael@0:   protected:
michael@0:     const TString &mSymbol;
michael@0:     bool match;
michael@0: };
michael@0: }
michael@0: 
michael@0: #endif   // COMPILER_SEARCHSYMBOL_H_