src/Workspaces/SharedUtilitiesAndExtensions/Workspace/CSharp/Extensions/BasePropertyDeclarationSyntaxExtensions.cs - main - githubmirror/roslyn

src/Workspaces/SharedUtilitiesAndExtensions/Workspace/CSharp/Extensions/BasePropertyDeclarationSyntaxExtensions.cs

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Cyrus Najmabadi

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19 фев 2025, 22:45

19 фев 2025, 22:459087df4

// 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.Diagnostics.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp.Syntax;

namespace Microsoft.CodeAnalysis.CSharp.Extensions;

internal static class BasePropertyDeclarationSyntaxExtensions
{
    /// <summary>
    /// Available if <paramref name="node"/> is <see cref="PropertyDeclarationSyntax"/> or <see cref="IndexerDeclarationSyntax"/>.
    /// </summary>
    public static SyntaxToken TryGetSemicolonToken(this BasePropertyDeclarationSyntax? node)
    {
        if (node != null)
        {
            switch (node.Kind())
            {
                case SyntaxKind.PropertyDeclaration: return ((PropertyDeclarationSyntax)node).SemicolonToken;
                case SyntaxKind.IndexerDeclaration: return ((IndexerDeclarationSyntax)node).SemicolonToken;
            }
        }

        return default;
    }

    /// <summary>
    /// Available if <paramref name="node"/> is <see cref="PropertyDeclarationSyntax"/> or <see cref="IndexerDeclarationSyntax"/>.
    /// </summary>
    [return: NotNullIfNotNull(nameof(node))]
    public static BasePropertyDeclarationSyntax? TryWithSemicolonToken(this BasePropertyDeclarationSyntax? node, SyntaxToken semicolonToken)
    {
        if (node != null)
        {
            switch (node.Kind())
            {
                case SyntaxKind.PropertyDeclaration: return ((PropertyDeclarationSyntax)node).WithSemicolonToken(semicolonToken);
                case SyntaxKind.IndexerDeclaration: return ((IndexerDeclarationSyntax)node).WithSemicolonToken(semicolonToken);
            }
        }

        return node;
    }

    /// <summary>
    /// Available if <paramref name="node"/> is <see cref="PropertyDeclarationSyntax"/> or <see cref="IndexerDeclarationSyntax"/>.
    /// </summary>
    [return: NotNullIfNotNull(nameof(node))]
    public static BasePropertyDeclarationSyntax? TryWithExpressionBody(this BasePropertyDeclarationSyntax? node, ArrowExpressionClauseSyntax? expressionBody)
        => node switch
        {
            PropertyDeclarationSyntax property => property.WithExpressionBody(expressionBody),
            IndexerDeclarationSyntax indexer => indexer.WithExpressionBody(expressionBody),
            _ => node,
        };
}