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