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"
23 /// StringSet - A wrapper for StringMap that provides set-like
24 /// functionality. Only insert() and count() methods are used by my
26 template <class AllocatorTy = llvm::MallocAllocator>
27 class StringSet : public llvm::StringMap<char, AllocatorTy> {
28 typedef llvm::StringMap<char, AllocatorTy> base;
30 bool insert (const std::string& InLang) {
31 assert(!InLang.empty());
32 const char* KeyStart = &InLang[0];
33 const char* KeyEnd = KeyStart + InLang.size();
34 return base::insert(llvm::StringMapEntry<char>::
35 Create(KeyStart, KeyEnd, base::getAllocator(), '+'));
40 #endif // LLVM_ADT_STRINGSET_H