File: Diagnostics\AbstractAnalyzerDriverService.cs
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Project: src\src\Features\Core\Portable\Microsoft.CodeAnalysis.Features.csproj (Microsoft.CodeAnalysis.Features)
// 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.
 
using System.Collections.Immutable;
using System.Threading;
using Microsoft.CodeAnalysis.PooledObjects;
using Microsoft.CodeAnalysis.Text;
 
namespace Microsoft.CodeAnalysis.Diagnostics;
 
internal abstract class AbstractAnalyzerDriverService : IAnalyzerDriverService
{
    public ImmutableArray<DeclarationInfo> ComputeDeclarationsInSpan(
        SemanticModel model, TextSpan span, CancellationToken cancellationToken)
    {
        using var _ = ArrayBuilder<DeclarationInfo>.GetInstance(out var infos);
        ComputeDeclarationsInSpan(model, span, infos, cancellationToken);
        return infos.ToImmutableAndClear();
    }
 
    protected abstract void ComputeDeclarationsInSpan(SemanticModel model, TextSpan span, ArrayBuilder<DeclarationInfo> infos, CancellationToken cancellationToken);
}