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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.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CodeActions;
using Microsoft.CodeAnalysis.CodeFixes;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis;
using MonoDevelop.CSharp.CodeFixes.GenerateConstructor;
using ICSharpCode.NRefactory6.CSharp.GenerateMember.GenerateParameterizedMember;
using Microsoft.CodeAnalysis.CSharp;
using ICSharpCode.NRefactory6.CSharp;
namespace MonoDevelop.CSharp.CodeFixes.GenerateMethod
{
[ExportCodeFixProvider(LanguageNames.CSharp, Name = PredefinedCodeFixProviderNames.GenerateMethod), Shared]
[ExtensionOrder(After = PredefinedCodeFixProviderNames.GenerateEnumMember)]
internal class GenerateMethodCodeFixProvider : AbstractGenerateMemberCodeFixProvider
{
private const string CS0103 = "CS0103"; // error CS0103: Error The name 'Foo' does not exist in the current context
private const string CS1061 = "CS1061"; // error CS1061: Error 'Class' does not contain a definition for 'Foo' and no extension method 'Foo'
private const string CS0117 = "CS0117"; // error CS0117: 'Class' does not contain a definition for 'Foo'
private const string CS0122 = "CS0122"; // error CS0122: 'Class' is inaccessible due to its protection level.
private const string CS0539 = "CS0539"; // error CS0539: 'A.Foo<T>()' in explicit interface declaration is not a member of interface
private const string CS1501 = "CS1501"; // error CS1501: No overload for method 'M' takes 1 arguments
private const string CS1503 = "CS1503"; // error CS1503: Argument 1: cannot convert from 'double' to 'int'
private const string CS0305 = "CS0305"; // error CS0305: Using the generic method 'CA.M<V>()' requires 1 type arguments
private const string CS0308 = "CS0308"; // error CS0308: The non-generic method 'Program.Foo()' cannot be used with type arguments
private const string CS1660 = "CS1660"; // error CS1660: Cannot convert lambda expression to type 'string[]' because it is not a delegate type
private const string CS1739 = "CS1739"; // error CS1739: The best overload for 'M' does not have a parameter named 'x'
private const string CS7036 = "CS7036"; // error CS7036: There is no argument given that corresponds to the required formal parameter 'x' of 'C.M(int)'
public override ImmutableArray<string> FixableDiagnosticIds
{
get { return ImmutableArray.Create(CS0103, CS1061, CS0117, CS0122, CS0539, CS1501, CS1503, CS0305, CS0308, CS1660, CS1739, CS7036); }
}
protected override bool IsCandidate(SyntaxNode node)
{
return node.IsKind(SyntaxKind.IdentifierName) ||
node.IsKind(SyntaxKind.MethodDeclaration) ||
node.IsKind(SyntaxKind.InvocationExpression) ||
node.IsKind(SyntaxKind.CastExpression) ||
node is LiteralExpressionSyntax ||
node is SimpleNameSyntax ||
node is ExpressionSyntax;
}
protected override SyntaxNode GetTargetNode(SyntaxNode node)
{
var invocation = node as InvocationExpressionSyntax;
if (invocation != null)
{
return invocation.Expression.GetRightmostName();
}
var memberBindingExpression = node as MemberBindingExpressionSyntax;
if (memberBindingExpression != null)
{
return memberBindingExpression.Name;
}
return node;
}
static CSharpGenerateMethodService service = new CSharpGenerateMethodService ();
protected override Task<IEnumerable<CodeAction>> GetCodeActionsAsync(Document document, SyntaxNode node, CancellationToken cancellationToken)
{
return service.GenerateMethodAsync(document, node, cancellationToken);
}
}
}
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