// 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 Microsoft.CodeAnalysis.CSharp.LanguageService;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.Diagnostics;
using Microsoft.CodeAnalysis.NewLines.ConsecutiveStatementPlacement;
 
namespace Microsoft.CodeAnalysis.CSharp.NewLines.ConsecutiveStatementPlacement;
 
/// <summary>
/// Analyzer that finds code of the form:
/// <code>
/// if (cond)
/// {
/// }
/// NextStatement();
/// </code>
/// 
/// And requires it to be of the form:
/// <code>
/// if (cond)
/// {
/// }
/// 
/// NextStatement();
/// </code>
/// 
/// Specifically, all blocks followed by another statement must have a blank line between them.
/// </summary>
[DiagnosticAnalyzer(LanguageNames.CSharp)]
internal sealed class CSharpConsecutiveStatementPlacementDiagnosticAnalyzer : AbstractConsecutiveStatementPlacementDiagnosticAnalyzer<StatementSyntax>
{
    public CSharpConsecutiveStatementPlacementDiagnosticAnalyzer()
        : base(CSharpSyntaxFacts.Instance)
    {
    }
 
    protected override bool IsBlockLikeStatement(SyntaxNode node)
        => node is BlockSyntax or SwitchStatementSyntax;
 
    protected override Location GetDiagnosticLocation(SyntaxNode block)
        => block.GetLastToken().GetLocation();
}