1 //===--- StringSet.h - The LLVM Compiler Driver -----------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open
6 // Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // StringSet - A set-like wrapper for the StringMap.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_ADT_STRINGSET_H
15 #define LLVM_ADT_STRINGSET_H
17 #include "llvm/ADT/StringMap.h"
22 /// StringSet - A wrapper for StringMap that provides set-like
23 /// functionality. Only insert() and count() methods are used by my
25 template <class AllocatorTy = llvm::MallocAllocator>
26 class StringSet : public llvm::StringMap<char, AllocatorTy> {
27 typedef llvm::StringMap<char, AllocatorTy> base;
29 bool insert(const std::string& InLang) {
30 assert(!InLang.empty());
31 const char* KeyStart = &InLang[0];
32 const char* KeyEnd = KeyStart + InLang.size();
33 return base::insert(llvm::StringMapEntry<char>::
34 Create(KeyStart, KeyEnd, base::getAllocator(), '+'));
39 #endif // LLVM_ADT_STRINGSET_H