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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.Collections.Immutable;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CodeRefactorings;
using Microsoft.CodeAnalysis.PullMemberUp;
using Microsoft.CodeAnalysis.Shared.Extensions;
using Microsoft.CodeAnalysis.Text;
using Roslyn.Utilities;
namespace Microsoft.CodeAnalysis.MoveStaticMembers;
internal abstract class AbstractMoveStaticMembersRefactoringProvider : CodeRefactoringProvider
{
protected abstract Task<ImmutableArray<SyntaxNode>> GetSelectedNodesAsync(CodeRefactoringContext context);
public override async Task ComputeRefactoringsAsync(CodeRefactoringContext context)
{
var (document, span, cancellationToken) = context;
var service = document.Project.Solution.Services.GetService<IMoveStaticMembersOptionsService>();
if (service == null)
{
return;
}
var selectedMemberNodes = await GetSelectedNodesAsync(context).ConfigureAwait(false);
if (selectedMemberNodes.IsEmpty)
{
return;
}
var semanticModel = await document.GetRequiredSemanticModelAsync(cancellationToken).ConfigureAwait(false);
var memberNodeSymbolPairs = selectedMemberNodes
.SelectAsArray(m => (node: m, symbol: semanticModel.GetDeclaredSymbol(m, cancellationToken)))
// Use same logic as pull members up for determining if a selected member
// is valid to be moved into a base
.WhereAsArray(pair => MemberAndDestinationValidator.IsMemberValid(pair.symbol) && pair.symbol.IsStatic);
if (memberNodeSymbolPairs.IsEmpty)
{
return;
}
var selectedMembers = memberNodeSymbolPairs.SelectAsArray(pair => pair.symbol!);
var containingType = selectedMembers.First().ContainingType;
Contract.ThrowIfNull(containingType);
if (selectedMembers.Any(m => !m.ContainingType.Equals(containingType)))
{
return;
}
// we want to use a span which covers all the selected viable member nodes, so that more specific nodes have priority
var memberSpan = TextSpan.FromBounds(
memberNodeSymbolPairs.First().node.FullSpan.Start,
memberNodeSymbolPairs.Last().node.FullSpan.End);
var action = new MoveStaticMembersWithDialogCodeAction(document, service, containingType, selectedMembers);
context.RegisterRefactoring(action, memberSpan);
}
}
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