diff --git a/ICSharpCode.NRefactory.CSharp/ICSharpCode.NRefactory.CSharp.csproj b/ICSharpCode.NRefactory.CSharp/ICSharpCode.NRefactory.CSharp.csproj index 0b15b3115a..1ec6a4fb67 100644 --- a/ICSharpCode.NRefactory.CSharp/ICSharpCode.NRefactory.CSharp.csproj +++ b/ICSharpCode.NRefactory.CSharp/ICSharpCode.NRefactory.CSharp.csproj @@ -350,6 +350,7 @@ + diff --git a/ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/CreateIndexerAction.cs b/ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/CreateIndexerAction.cs new file mode 100644 index 0000000000..1767459a47 --- /dev/null +++ b/ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/CreateIndexerAction.cs @@ -0,0 +1,105 @@ +// +// CreateIndexerAction.cs +// +// Author: +// Mike Krüger +// +// Copyright (c) 2012 Xamarin +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +using System.Collections.Generic; +using System.Linq; +using ICSharpCode.NRefactory.Semantics; +using ICSharpCode.NRefactory.TypeSystem; +using System.Text; + +namespace ICSharpCode.NRefactory.CSharp.Refactoring +{ + [ContextAction("Create indexer", Description = "Creates an indexer declaration out of an indexer expression.")] + public class CreateIndexerAction : ICodeActionProvider + { + public IEnumerable GetActions(RefactoringContext context) + { + var indexer = context.GetNode(); + if (indexer == null) { + yield break; + } + + if (!(context.Resolve(indexer).IsError)) { + yield break; + } + + var state = context.GetResolverStateBefore(indexer); + var guessedType = CreateFieldAction.GuessAstType(context, indexer); + + bool createInOtherType = false; + ResolveResult targetResolveResult = null; + targetResolveResult = context.Resolve(indexer.Target); + createInOtherType = !state.CurrentTypeDefinition.Equals(targetResolveResult.Type.GetDefinition()); + + bool isStatic; + if (createInOtherType) { + isStatic = targetResolveResult is TypeResolveResult; + if (isStatic && targetResolveResult.Type.Kind == TypeKind.Interface) { + yield break; + } + } else { + isStatic = indexer.Target is IdentifierExpression && state.CurrentMember.IsStatic; + } + + yield return new CodeAction(context.TranslateString("Create indexer"), script => { + var decl = new IndexerDeclaration() { + ReturnType = guessedType, + Getter = new Accessor() { + Body = new BlockStatement() { + new ThrowStatement(new ObjectCreateExpression(context.CreateShortType("System", "NotImplementedException"))) + } + }, + Setter = new Accessor() { + Body = new BlockStatement() { + new ThrowStatement(new ObjectCreateExpression(context.CreateShortType("System", "NotImplementedException"))) + } + }, + }; + foreach (var parameter in CreateMethodDeclarationAction.GenerateParameters (context, indexer.Arguments)) { + decl.Parameters.Add(parameter); + } + if (isStatic) { + decl.Modifiers |= Modifiers.Static; + } + + if (createInOtherType) { + if (targetResolveResult.Type.Kind == TypeKind.Interface) { + decl.Getter.Body = null; + decl.Setter.Body = null; + decl.Modifiers = Modifiers.None; + } else { + decl.Modifiers |= Modifiers.Public; + } + + script.InsertWithCursor(context.TranslateString("Create indexer"), decl, targetResolveResult.Type.GetDefinition()); + return; + } + + script.InsertWithCursor(context.TranslateString("Create indexer"), decl, Script.InsertPosition.Before); + }); + } + + } +} \ No newline at end of file diff --git a/ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/CreateMethodDeclarationAction.cs b/ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/CreateMethodDeclarationAction.cs index 4864f27283..fbe2bce8c5 100644 --- a/ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/CreateMethodDeclarationAction.cs +++ b/ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/CreateMethodDeclarationAction.cs @@ -146,7 +146,7 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring new ThrowStatement(new ObjectCreateExpression(context.CreateShortType("System", "NotImplementedException"))) } }; - foreach (var parameter in GenerateParameters (context, invocation)) { + foreach (var parameter in GenerateParameters (context, invocation.Arguments)) { decl.Parameters.Add(parameter); } if (isStatic) { @@ -170,10 +170,10 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring }); } - public IEnumerable GenerateParameters(RefactoringContext context, InvocationExpression invocation) + public static IEnumerable GenerateParameters(RefactoringContext context, IEnumerable arguments) { Dictionary nameCounter = new Dictionary(); - foreach (var argument in invocation.Arguments) { + foreach (var argument in arguments) { ParameterModifier direction = ParameterModifier.None; AstNode node; if (argument is DirectionExpression) { diff --git a/ICSharpCode.NRefactory.Tests/CSharp/CodeActions/CreateIndexerTests.cs b/ICSharpCode.NRefactory.Tests/CSharp/CodeActions/CreateIndexerTests.cs new file mode 100644 index 0000000000..4d3076ab6d --- /dev/null +++ b/ICSharpCode.NRefactory.Tests/CSharp/CodeActions/CreateIndexerTests.cs @@ -0,0 +1,159 @@ +// +// CreateIndexerTests.cs +// +// Author: +// Mike Krüger +// +// Copyright (c) 2012 Xamarin +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +using System; +using NUnit.Framework; +using ICSharpCode.NRefactory.CSharp.Refactoring; + +namespace ICSharpCode.NRefactory.CSharp.CodeActions +{ + [TestFixture] + public class CreateIndexerTests : ContextActionTestBase + { + public void TestCreateIndexer (string input, string output) + { + string result = RunContextAction (new CreateIndexerAction (), CreateMethodDeclarationTests.HomogenizeEol (input)); + bool passed = result == output; + if (!passed) { + Console.WriteLine ("-----------Expected:"); + Console.WriteLine (output); + Console.WriteLine ("-----------Got:"); + Console.WriteLine (result); + } + Assert.AreEqual (CreateMethodDeclarationTests.HomogenizeEol (output), result); + } + + + [Test()] + public void TestIndexer () + { + TestCreateIndexer ( +@" +class TestClass +{ + void TestMethod () + { + $this[0] = 2; + } +} +", @" +class TestClass +{ + int this [int i] { + get { + throw new System.NotImplementedException (); + } + set { + throw new System.NotImplementedException (); + } + } + void TestMethod () + { + this[0] = 2; + } +} +"); + } + [Test()] + public void TestInterfaceIndexer () + { + TestCreateIndexer ( +@" +interface FooBar +{ +} + +class TestClass +{ + void TestMethod () + { + FooBar fb; + $fb[0] = 2; + } +} +", @" +interface FooBar +{ + int this [int i] { + get; + set; + } +} + +class TestClass +{ + void TestMethod () + { + FooBar fb; + fb[0] = 2; + } +} +"); + } + + [Test()] + public void TestExternIndexer () + { + TestCreateIndexer ( +@" +class FooBar +{ +} + +class TestClass +{ + void TestMethod () + { + FooBar fb; + $fb[0] = 2; + } +} +", @" +class FooBar +{ + public int this [int i] { + get { + throw new System.NotImplementedException (); + } + set { + throw new System.NotImplementedException (); + } + } +} + +class TestClass +{ + void TestMethod () + { + FooBar fb; + fb[0] = 2; + } +} +"); + } + + } +} + diff --git a/ICSharpCode.NRefactory.Tests/ICSharpCode.NRefactory.Tests.csproj b/ICSharpCode.NRefactory.Tests/ICSharpCode.NRefactory.Tests.csproj index 72e05c4ff8..e31a37d452 100644 --- a/ICSharpCode.NRefactory.Tests/ICSharpCode.NRefactory.Tests.csproj +++ b/ICSharpCode.NRefactory.Tests/ICSharpCode.NRefactory.Tests.csproj @@ -253,6 +253,7 @@ +