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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/ImplementAbstractMembersAction.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/ImplementAbstractMembersAction.cs
 
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// 
 
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// ImplementAbstractMembersAction.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 Inc. (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;
 
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using ICSharpCode.NRefactory.TypeSystem;
 
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using System.Threading;
 
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using System.Collections.Generic;
 
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using System.Linq;
 
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namespace ICSharpCode.NRefactory.CSharp.Refactoring
 
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{
 
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        [ContextAction("Implement abstract members", Description = "Implements abstract members from an abstract class.")]
 
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        public class ImplementAbstractMembersAction : ICodeActionProvider
 
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        {
 
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                public IEnumerable<CodeAction> GetActions(RefactoringContext context)
 
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                {
 
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                        var type = context.GetNode<AstType>();
 
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                        if (type == null || type.Role != Roles.BaseType)
 
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                                yield break;
 
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                        var state = context.GetResolverStateBefore(type);
 
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                        if (state.CurrentTypeDefinition == null)
 
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                                yield break;
 
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                        var resolveResult = context.Resolve(type);
 
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                        if (resolveResult.Type.Kind != TypeKind.Class || resolveResult.Type.GetDefinition() == null || !resolveResult.Type.GetDefinition().IsAbstract)
 
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                                yield break;
 
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                        var toImplement = CollectMembersToImplement(state.CurrentTypeDefinition, resolveResult.Type);
 
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                        if (toImplement.Count == 0)
 
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                                yield break;
 
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                        yield return new CodeAction(context.TranslateString("Implement abstract members"), script => {
 
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                                script.InsertWithCursor(
 
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                                        context.TranslateString("Implement abstract members"),
 
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                                        state.CurrentTypeDefinition,
 
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                                        ImplementInterfaceAction.GenerateImplementation (context, toImplement.Select (m => Tuple.Create (m, false))).Select (entity => {
 
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                                                var decl = entity as EntityDeclaration;
 
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                                                if (decl != null)
 
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                                                        decl.Modifiers |= Modifiers.Override;
 
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                                                return entity;
 
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                                        })
 
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                                );
 
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                        }, type);
 
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                }
 
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                public static List<IMember> CollectMembersToImplement(ITypeDefinition implementingType, IType abstractType)
 
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                {
 
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//                      var def = abstractType.GetDefinition();
 
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                        var toImplement = new List<IMember>();
 
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                        bool alreadyImplemented;
 
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                        // Stub out non-implemented events defined by @iface
 
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                        foreach (var ev in abstractType.GetEvents (e => !e.IsSynthetic && e.IsAbstract)) {
 
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                                alreadyImplemented = implementingType.GetAllBaseTypeDefinitions().Any(
 
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                                        x => x.Kind != TypeKind.Interface && x.Events.Any (y => y.Name == ev.Name)
 
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                                        );
 
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                                if (!alreadyImplemented)
 
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                                        toImplement.Add(ev);
 
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                        }
 
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                        // Stub out non-implemented methods defined by @iface
 
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                        foreach (var method in abstractType.GetMethods (d => !d.IsSynthetic  && d.IsAbstract)) {
 
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                                alreadyImplemented = false;
 
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                                foreach (var cmet in implementingType.GetMethods ()) {
 
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                                        if (!cmet.IsAbstract && ImplementInterfaceAction.CompareMethods(method, cmet)) {
 
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                                                alreadyImplemented = true;
 
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                                        }
 
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                                }
 
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                                if (!alreadyImplemented) 
 
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                                        toImplement.Add(method);
 
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                        }
 
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                        // Stub out non-implemented properties defined by @iface
 
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                        foreach (var prop in abstractType.GetProperties (p => !p.IsSynthetic && p.IsAbstract)) {
 
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                                alreadyImplemented = false;
 
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                                foreach (var t in implementingType.GetAllBaseTypeDefinitions ()) {
 
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                                        if (t.Kind == TypeKind.Interface)
 
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                                                continue;
 
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                                        foreach (IProperty cprop in t.Properties) {
 
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                                                if (!cprop.IsAbstract && cprop.Name == prop.Name) {
 
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                                                        alreadyImplemented = true;
 
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                                                }
 
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                                        }
 
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                                }
 
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                                if (!alreadyImplemented)
 
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                                        toImplement.Add(prop);
 
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                        }
 
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                        return toImplement;
 
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                }
 
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        }
 
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}