// 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.Threading;
using Microsoft.CodeAnalysis.CodeStyle;
using Microsoft.CodeAnalysis.CSharp.CodeStyle;
using Microsoft.CodeAnalysis.CSharp.Diagnostics;
using Microsoft.CodeAnalysis.CSharp.Extensions;
using Microsoft.CodeAnalysis.CSharp.Shared.Extensions;
using Microsoft.CodeAnalysis.Diagnostics;
using Microsoft.CodeAnalysis.UseThrowExpression;
 
namespace Microsoft.CodeAnalysis.CSharp.UseThrowExpression
{
    [DiagnosticAnalyzer(LanguageNames.CSharp)]
    internal class CSharpUseThrowExpressionDiagnosticAnalyzer : AbstractUseThrowExpressionDiagnosticAnalyzer
    {
        public CSharpUseThrowExpressionDiagnosticAnalyzer()
            : base(CSharpCodeStyleOptions.PreferThrowExpression)
        {
        }
 
        protected override CodeStyleOption2<bool> PreferThrowExpressionStyle(OperationAnalysisContext context)
            => context.GetCSharpAnalyzerOptions().PreferThrowExpression;
 
        protected override bool IsSupported(Compilation compilation)
            => compilation.LanguageVersion() >= LanguageVersion.CSharp7;
 
        protected override bool IsInExpressionTree(SemanticModel semanticModel, SyntaxNode node, INamedTypeSymbol? expressionTypeOpt, CancellationToken cancellationToken)
            => node.IsInExpressionTree(semanticModel, expressionTypeOpt, cancellationToken);
    }
}