35 lines
1002 B
C++
35 lines
1002 B
C++
//===-- StringPool.cpp - Interned string pool -----------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the StringPool class.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/StringPool.h"
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#include "llvm/ADT/StringRef.h"
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using namespace llvm;
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StringPool::StringPool() {}
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StringPool::~StringPool() {
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assert(InternTable.empty() && "PooledStringPtr leaked!");
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}
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PooledStringPtr StringPool::intern(StringRef Key) {
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table_t::iterator I = InternTable.find(Key);
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if (I != InternTable.end())
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return PooledStringPtr(&*I);
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entry_t *S = entry_t::Create(Key);
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S->getValue().Pool = this;
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InternTable.insert(S);
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return PooledStringPtr(S);
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}
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