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// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Composition;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CodeActions;
using Microsoft.CodeAnalysis.CodeFixes;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.GenerateMember.GenerateVariable;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis;
using MonoDevelop.CSharp.CodeFixes.GenerateConstructor;
namespace MonoDevelop.CSharp.CodeFixes.GenerateVariable
{
[ExportCodeFixProvider(LanguageNames.CSharp, Name = PredefinedCodeFixProviderNames.GenerateVariable), Shared]
[ExtensionOrder(After = PredefinedCodeFixProviderNames.GenerateMethod)]
internal class GenerateVariableCodeFixProvider : AbstractGenerateMemberCodeFixProvider
{
private const string CS1061 = "CS1061"; // error CS1061: 'C' does not contain a definition for 'Foo' and no extension method 'Foo' accepting a first argument of type 'C' could be found
private const string CS0103 = "CS0103"; // error CS0103: The name 'Foo' does not exist in the current context
private const string CS0117 = "CS0117"; // error CS0117: 'TestNs.Program' does not contain a definition for 'blah'
private const string CS0539 = "CS0539"; // error CS0539: 'Class.SomeProp' in explicit interface declaration is not a member of interface
private const string CS0246 = "CS0246"; // error CS0246: The type or namespace name 'Version' could not be found
public override ImmutableArray<string> FixableDiagnosticIds
{
get { return ImmutableArray.Create(CS1061, CS0103, CS0117, CS0539, CS0246); }
}
protected override bool IsCandidate(SyntaxNode node)
{
return node is SimpleNameSyntax || node is PropertyDeclarationSyntax || node is MemberBindingExpressionSyntax;
}
protected override SyntaxNode GetTargetNode(SyntaxNode node)
{
if (node.IsKind(SyntaxKind.MemberBindingExpression))
{
var nameNode = node.ChildNodes().FirstOrDefault(n => n.IsKind(SyntaxKind.IdentifierName));
if (nameNode != null)
{
return nameNode;
}
}
return base.GetTargetNode(node);
}
static readonly CSharpGenerateVariableService service = new CSharpGenerateVariableService ();
protected override Task<IEnumerable<CodeAction>> GetCodeActionsAsync(Document document, SyntaxNode node, CancellationToken cancellationToken)
{
return service.GenerateVariableAsync(document, node, cancellationToken);
}
}
}
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