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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/CreateIndexerAction.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/nrefactory/ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/CreateIndexerAction.cs
 
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// 
 
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// CreateIndexerAction.cs
 
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//  
 
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// Author:
 
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//       Mike Krüger <mkrueger@xamarin.com>
 
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// 
 
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// Copyright (c) 2012 Xamarin <http://xamarin.com>
 
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// 
 
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// Permission is hereby granted, free of charge, to any person obtaining a copy
 
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// of this software and associated documentation files (the "Software"), to deal
 
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// in the Software without restriction, including without limitation the rights
 
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 
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// copies of the Software, and to permit persons to whom the Software is
 
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// furnished to do so, subject to the following conditions:
 
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// 
 
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// The above copyright notice and this permission notice shall be included in
 
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// all copies or substantial portions of the Software.
 
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// 
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 
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// THE SOFTWARE.
 
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using System.Collections.Generic;
 
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using System.Linq;
 
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using ICSharpCode.NRefactory.Semantics;
 
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using ICSharpCode.NRefactory.TypeSystem;
 
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using System.Text;
 
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namespace ICSharpCode.NRefactory.CSharp.Refactoring
 
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{
 
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        [ContextAction("Create indexer", Description = "Creates an indexer declaration out of an indexer expression.")]
 
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        public class CreateIndexerAction : ICodeActionProvider
 
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        {
 
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                public IEnumerable<CodeAction> GetActions(RefactoringContext context)
 
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                {
 
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                        var indexer = context.GetNode<IndexerExpression>();
 
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                        if (indexer == null)
 
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                                yield break;
 
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                        if (!(context.Resolve(indexer).IsError))
 
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                                yield break;
 
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                        var state = context.GetResolverStateBefore(indexer);
 
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                        if (state.CurrentTypeDefinition == null)
 
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                                yield break;
 
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                        var guessedType = CreateFieldAction.GuessAstType(context, indexer);
 
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                        bool createInOtherType = false;
 
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                        ResolveResult targetResolveResult = null;
 
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                        targetResolveResult = context.Resolve(indexer.Target);
 
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                        createInOtherType = !state.CurrentTypeDefinition.Equals(targetResolveResult.Type.GetDefinition());
 
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                        bool isStatic;
 
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                        if (createInOtherType) {
 
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                                if (targetResolveResult.Type.GetDefinition() == null || targetResolveResult.Type.GetDefinition().Region.IsEmpty)
 
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                                        yield break;
 
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                                isStatic = targetResolveResult is TypeResolveResult;
 
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                                if (isStatic && targetResolveResult.Type.Kind == TypeKind.Interface || targetResolveResult.Type.Kind == TypeKind.Enum)
 
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                                        yield break;
 
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                        } else {
 
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                                isStatic = indexer.Target is IdentifierExpression && state.CurrentMember.IsStatic;
 
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                        }
 
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                        yield return new CodeAction(context.TranslateString("Create indexer"), script => {
 
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                                var decl = new IndexerDeclaration() {
 
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                                        ReturnType = guessedType,
 
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                                        Getter = new Accessor() {
 
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                                                Body = new BlockStatement() {
 
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                                                        new ThrowStatement(new ObjectCreateExpression(context.CreateShortType("System", "NotImplementedException")))
 
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                                                }
 
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                                        },
 
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                                        Setter = new Accessor() {
 
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                                                Body = new BlockStatement() {
 
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                                                        new ThrowStatement(new ObjectCreateExpression(context.CreateShortType("System", "NotImplementedException")))
 
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                                                }
 
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                                        },
 
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                                };
 
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                                decl.Parameters.AddRange(CreateMethodDeclarationAction.GenerateParameters(context, indexer.Arguments));
 
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                                if (isStatic)
 
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                                        decl.Modifiers |= Modifiers.Static;
 
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                                if (createInOtherType) {
 
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                                        if (targetResolveResult.Type.Kind == TypeKind.Interface) {
 
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                                                decl.Getter.Body = null;
 
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                                                decl.Setter.Body = null;
 
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                                                decl.Modifiers = Modifiers.None;
 
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                                        } else {
 
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                                                decl.Modifiers |= Modifiers.Public;
 
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                                        }
 
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                                        script.InsertWithCursor(context.TranslateString("Create indexer"), targetResolveResult.Type.GetDefinition(), decl);
 
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                                        return;
 
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                                }
 
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                                script.InsertWithCursor(context.TranslateString("Create indexer"), Script.InsertPosition.Before, decl);
 
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                        }, indexer);
 
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                }
 
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        }
 
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}
 
 
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