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"
21
/// StringSet - A wrapper for StringMap that provides set-like
22
/// functionality. Only insert() and count() methods are used by my
24
template <class AllocatorTy = llvm::MallocAllocator>
25
class StringSet : public llvm::StringMap<char, AllocatorTy> {
26
typedef llvm::StringMap<char, AllocatorTy> base;
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(), '+'));
38
#endif // LLVM_ADT_STRINGSET_H