// 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.Collections.Generic;
using System.Collections.Immutable;
using Microsoft.CodeAnalysis.Text;
using Roslyn.Utilities;
 
namespace Microsoft.CodeAnalysis.EditAndContinue;
 
internal abstract class AbstractSimpleMemberBody(SyntaxNode node) : MemberBody
{
    public SyntaxNode Node
        => node;
 
    public sealed override SyntaxTree SyntaxTree
        => node.SyntaxTree;
 
    public sealed override OneOrMany<SyntaxNode> RootNodes
        => OneOrMany.Create(node);
 
    public sealed override TextSpan Envelope
        => node.Span;
 
    public sealed override SyntaxNode EncompassingAncestor
        => node;
 
    public sealed override IEnumerable<SyntaxToken>? GetActiveTokens()
        => node.DescendantTokens();
 
    public override ImmutableArray<ISymbol> GetCapturedVariables(SemanticModel model)
        => model.AnalyzeDataFlow(Node).CapturedInside;
}