// Copyright 2011 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_PARSING_DUPLICATE_FINDER_H_
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#define V8_PARSING_DUPLICATE_FINDER_H_
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#include <set>
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namespace v8 {
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namespace internal {
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class Scanner;
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// DuplicateFinder : Helper class to discover duplicate symbols.
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//
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// Allocate a DuplicateFinder for each set of symbols you want to check
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// for duplicates and then pass this instance into
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// Scanner::IsDuplicateSymbol(..).
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//
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// This class only holds the data; all actual logic is in
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// Scanner::IsDuplicateSymbol.
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class DuplicateFinder {
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public:
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DuplicateFinder() {}
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private:
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friend class Scanner;
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std::set<const void*> known_symbols_;
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};
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} // namespace internal
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} // namespace v8
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#endif // V8_PARSING_DUPLICATE_FINDER_H_
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