//===-- StringPool.cpp - Interned string pool -----------------------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file implements the StringPool class. // //===----------------------------------------------------------------------===// #include "llvm/Support/StringPool.h" #include "llvm/ADT/StringRef.h" using namespace llvm; StringPool::StringPool() {} StringPool::~StringPool() { assert(InternTable.empty() && "PooledStringPtr leaked!"); } PooledStringPtr StringPool::intern(StringRef Key) { table_t::iterator I = InternTable.find(Key); if (I != InternTable.end()) return PooledStringPtr(&*I); entry_t *S = entry_t::Create(Key); S->getValue().Pool = this; InternTable.insert(S); return PooledStringPtr(S); } |