/
CSharpSyntaxVisitor.cs
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/
CSharpSyntaxVisitor.cs
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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)
{
}
}
}