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src/Compilers/VisualBasic/Portable/Compilation/LookupSymbolsInfo.vb
34 строки
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Jonathon Marolf
update headers
23 янв 2020, 04:01
Не верифицирован
23 янв 2020, 04:01
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' Licensed to the .NET Foundation under one or more agreements. ' The .NET Foundation licenses this file to you under the MIT license. ' See the LICENSE file in the project root for more information. Imports System.Diagnostics Imports Microsoft.CodeAnalysis.PooledObjects Namespace Microsoft.CodeAnalysis.VisualBasic Friend NotInheritable Class LookupSymbolsInfo Inherits AbstractLookupSymbolsInfo(Of Symbol) ' TODO: tune pool size Private Const s_poolSize As Integer = 64 Private Shared ReadOnly s_pool As New ObjectPool(Of LookupSymbolsInfo)(Function() New LookupSymbolsInfo(), s_poolSize) Private Sub New() MyBase.New(IdentifierComparison.Comparer) End Sub ' To implement Poolable, you need two things: ' 1) Expose Freeing primitive. Public Sub Free() ' Note that poolables are not finalizable. If one gets collected - no big deal. Me.Clear() s_pool.Free(Me) End Sub Public Shared Function GetInstance() As LookupSymbolsInfo Dim info As LookupSymbolsInfo = s_pool.Allocate() Debug.Assert(info.Count = 0) Return info End Function End Class End Namespace