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46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
//===--- StringSet.h - The LLVM Compiler Driver -----------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open
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// Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// StringSet - A set-like wrapper for the StringMap.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ADT_STRINGSET_H
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#define LLVM_ADT_STRINGSET_H
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#include "llvm/ADT/StringMap.h"
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namespace llvm {
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/// StringSet - A wrapper for StringMap that provides set-like functionality.
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template <class AllocatorTy = llvm::MallocAllocator>
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class StringSet : public llvm::StringMap<char, AllocatorTy> {
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typedef llvm::StringMap<char, AllocatorTy> base;
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public:
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StringSet() = default;
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StringSet(std::initializer_list<StringRef> S) {
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for (StringRef X : S)
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insert(X);
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}
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std::pair<typename base::iterator, bool> insert(StringRef Key) {
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assert(!Key.empty());
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return base::insert(std::make_pair(Key, '\0'));
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}
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template <typename InputIt>
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void insert(const InputIt &Begin, const InputIt &End) {
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for (auto It = Begin; It != End; ++It)
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base::insert(std::make_pair(*It, '\0'));
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}
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};
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}
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#endif // LLVM_ADT_STRINGSET_H
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