1 //===--- StringSet.h - The LLVM Compiler Driver -----------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open 6 // Source License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // StringSet - A set-like wrapper for the StringMap. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_ADT_STRINGSET_H 15 #define LLVM_ADT_STRINGSET_H 16 17 #include "llvm/ADT/StringMap.h" 18 19 namespace llvm { 20 21 /// StringSet - A wrapper for StringMap that provides set-like 22 /// functionality. Only insert() and count() methods are used by my 23 /// code. 24 template <class AllocatorTy = llvm::MallocAllocator> 25 class StringSet : public llvm::StringMap<char, AllocatorTy> { 26 typedef llvm::StringMap<char, AllocatorTy> base; 27 public: 28 bool insert(StringRef InLang) { 29 assert(!InLang.empty()); 30 const char *KeyStart = InLang.data(); 31 const char *KeyEnd = KeyStart + InLang.size(); 32 return base::insert(llvm::StringMapEntry<char>:: 33 Create(KeyStart, KeyEnd, base::getAllocator(), '+')); 34 } 35 }; 36 } 37 38 #endif // LLVM_ADT_STRINGSET_H 39
