1 // Copyright 2011 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_PARSING_DUPLICATE_FINDER_H_ 6 #define V8_PARSING_DUPLICATE_FINDER_H_ 7 8 #include <set> 9 10 namespace v8 { 11 namespace internal { 12 13 class Scanner; 14 15 // DuplicateFinder : Helper class to discover duplicate symbols. 16 // 17 // Allocate a DuplicateFinder for each set of symbols you want to check 18 // for duplicates and then pass this instance into 19 // Scanner::IsDuplicateSymbol(..). 20 // 21 // This class only holds the data; all actual logic is in 22 // Scanner::IsDuplicateSymbol. 23 class DuplicateFinder { 24 public: 25 DuplicateFinder() {} 26 27 private: 28 friend class Scanner; 29 30 std::set<const void*> known_symbols_; 31 }; 32 33 } // namespace internal 34 } // namespace v8 35 36 #endif // V8_PARSING_DUPLICATE_FINDER_H_ 37
