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src/Compilers/CSharp/Portable/Syntax/CSharpSyntaxVisitor.cs
52 строки
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Jared Parsons
generated move
28 сен 2020, 19:36
28 сен 2020, 19:36
1cca63b
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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. namespace Microsoft.CodeAnalysis.CSharp { /// <summary> /// Represents a <see cref="CSharpSyntaxNode"/> visitor that visits only the single CSharpSyntaxNode /// passed into its Visit method and produces /// a value of the type specified by the <typeparamref name="TResult"/> parameter. /// </summary> /// <typeparam name="TResult"> /// The type of the return value this visitor's Visit method. /// </typeparam> public abstract partial class CSharpSyntaxVisitor<TResult> { public virtual TResult? Visit(SyntaxNode? node) { if (node != null) { return ((CSharpSyntaxNode)node).Accept(this); } // should not come here too often so we will put this at the end of the method. return default; } public virtual TResult? DefaultVisit(SyntaxNode node) { return default; } } /// <summary> /// Represents a <see cref="CSharpSyntaxNode"/> visitor that visits only the single CSharpSyntaxNode /// passed into its Visit method. /// </summary> public abstract partial class CSharpSyntaxVisitor { public virtual void Visit(SyntaxNode? node) { if (node != null) { ((CSharpSyntaxNode)node).Accept(this); } } public virtual void DefaultVisit(SyntaxNode node) { } } }