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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.
using System;
using System.Composition;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CSharp.Extensions.ContextQuery;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.Host.Mef;
using Microsoft.CodeAnalysis.Snippets;
using Microsoft.CodeAnalysis.Snippets.SnippetProviders;
using Microsoft.CodeAnalysis.Text;
namespace Microsoft.CodeAnalysis.CSharp.Snippets;
[ExportSnippetProvider(nameof(ISnippetProvider), LanguageNames.CSharp), Shared]
[method: ImportingConstructor]
[method: Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
internal sealed class CSharpWhileLoopSnippetProvider() : AbstractWhileLoopSnippetProvider<WhileStatementSyntax, ExpressionSyntax>
{
public override string Identifier => CSharpSnippetIdentifiers.While;
public override string Description => FeaturesResources.while_loop;
protected override bool CanInsertStatementAfterToken(SyntaxToken token)
=> token.IsBeginningOfStatementContext() || token.IsBeginningOfGlobalStatementContext();
protected override ExpressionSyntax GetCondition(WhileStatementSyntax node)
=> node.Condition;
protected override int GetTargetCaretPosition(WhileStatementSyntax whileStatement, SourceText sourceText)
=> CSharpSnippetHelpers.GetTargetCaretPositionInBlock(
whileStatement,
static s => (BlockSyntax)s.Statement,
sourceText);
protected override Task<Document> AddIndentationToDocumentAsync(Document document, WhileStatementSyntax whileStatement, CancellationToken cancellationToken)
=> CSharpSnippetHelpers.AddBlockIndentationToDocumentAsync(
document,
whileStatement,
static s => (BlockSyntax)s.Statement,
cancellationToken);
}
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