1 // 2 // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 // SearchSymbol is an AST traverser to detect the use of a given symbol name 7 // 8 9 #ifndef COMPILER_SEARCHSYMBOL_H_ 10 #define COMPILER_SEARCHSYMBOL_H_ 11 12 #include "compiler/intermediate.h" 13 #include "compiler/ParseHelper.h" 14 15 namespace sh 16 { 17 class SearchSymbol : public TIntermTraverser 18 { 19 public: 20 SearchSymbol(const TString &symbol); 21 22 void traverse(TIntermNode *node); 23 void visitSymbol(TIntermSymbol *symbolNode); 24 25 bool foundMatch() const; 26 27 protected: 28 const TString &mSymbol; 29 bool match; 30 }; 31 } 32 33 #endif // COMPILER_SEARCHSYMBOL_H_ 34