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2021-09-20 18:20:01 +02:00
/*
Copyright (C) 2014-2019 de4dot@gmail.com
This file is part of dnSpy
dnSpy is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
dnSpy is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
*/
using System.Text;
using System.Threading;
namespace dnSpy.Debugger.DotNet.Metadata {
static class ObjectCache {
const int MAX_STRINGBUILDER_CAPACITY = 1024;
static volatile StringBuilder? stringBuilder;
public static StringBuilder AllocStringBuilder() => Interlocked.Exchange(ref stringBuilder, null) ?? new StringBuilder();
public static void Free(ref StringBuilder? sb) {
if (sb!.Capacity <= MAX_STRINGBUILDER_CAPACITY) {
sb.Clear();
stringBuilder = sb;
}
sb = null;
}
public static string FreeAndToString(ref StringBuilder? sb) {
var res = sb!.ToString();
Free(ref sb);
return res;
}
}
}