1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
//===-- 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.begin(), Key.end());
S->getValue().Pool = this;
InternTable.insert(S);
return PooledStringPtr(S);
}
|
