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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.CSharp/Refactoring/BaseRefactoringContext.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
ImportĀ upstreamĀ versionĀ 4.0.5+dfsg

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external/nrefactory/ICSharpCode.NRefactory.CSharp/Refactoring/BaseRefactoringContext.cs
 
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ļ»æ// 
 
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// BaseRefactoringContext.cs
 
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//  
 
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// Author:
 
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//       Mike KrĆ¼ger <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;
 
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using System.Linq;
 
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using System.Threading;
 
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using ICSharpCode.NRefactory.CSharp.Resolver;
 
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using ICSharpCode.NRefactory.CSharp.TypeSystem;
 
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using ICSharpCode.NRefactory.Semantics;
 
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using ICSharpCode.NRefactory.TypeSystem;
 
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using ICSharpCode.NRefactory.TypeSystem.Implementation;
 
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using ICSharpCode.NRefactory.Editor;
 
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using System.ComponentModel.Design;
 
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using ICSharpCode.NRefactory.CSharp.Analysis;
 
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using ICSharpCode.NRefactory.Utils;
 
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using System.Collections.Generic;
 
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namespace ICSharpCode.NRefactory.CSharp.Refactoring
 
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{
 
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        public abstract class BaseRefactoringContext : IServiceProvider
 
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        {
 
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                readonly CSharpAstResolver resolver;
 
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                readonly CancellationToken cancellationToken;
 
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                public virtual bool Supports(Version version)
 
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                {
 
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                        return true;
 
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                }
 
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                /// <summary>
 
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                /// Gets a value indicating if 'var' keyword should be used or explicit types.
 
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                /// </summary>
 
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                public virtual bool UseExplicitTypes {
 
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                        get;
 
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                        set;
 
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                }
 
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                public CancellationToken CancellationToken {
 
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                        get { return cancellationToken; }
 
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                }
 
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                public virtual AstNode RootNode {
 
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                        get {
 
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                                return resolver.RootNode;
 
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                        }
 
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                }
 
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                public CSharpAstResolver Resolver {
 
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                        get {
 
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                                return resolver;
 
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                        }
 
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                }
 
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                public virtual CSharpUnresolvedFile UnresolvedFile {
 
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                        get {
 
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                                return resolver.UnresolvedFile;
 
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                        }
 
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                }
 
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                public ICompilation Compilation {
 
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                        get { return resolver.Compilation; }
 
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                }
 
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                public BaseRefactoringContext (ICSharpCode.NRefactory.CSharp.Resolver.CSharpAstResolver resolver, System.Threading.CancellationToken cancellationToken)
 
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                {
 
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                        this.resolver = resolver;
 
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                        this.cancellationToken = cancellationToken;
 
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                        this.referenceFinder = new LocalReferenceFinder(resolver);
 
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                }
 
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                #region Resolving
 
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                public ResolveResult Resolve (AstNode node)
 
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                {
 
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                        return resolver.Resolve (node, cancellationToken);
 
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                }
 
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                public CSharpResolver GetResolverStateBefore(AstNode node)
 
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                {
 
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                        return resolver.GetResolverStateBefore (node, cancellationToken);
 
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                }
 
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                public CSharpResolver GetResolverStateAfter(AstNode node)
 
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                {
 
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                        return resolver.GetResolverStateAfter (node, cancellationToken);
 
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                }
 
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                public IType ResolveType (AstType type)
 
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                {
 
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                        return resolver.Resolve (type, cancellationToken).Type;
 
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                }
 
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                public IType GetExpectedType (Expression expression)
 
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                {
 
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                        return resolver.GetExpectedType(expression, cancellationToken);
 
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                }
 
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                public Conversion GetConversion (Expression expression)
 
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                {
 
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                        return resolver.GetConversion(expression, cancellationToken);
 
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                }
 
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                public TypeSystemAstBuilder CreateTypeSytemAstBuilder(AstNode node)
 
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                {
 
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                        var csResolver = resolver.GetResolverStateBefore(node);
 
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                        return new TypeSystemAstBuilder(csResolver);
 
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                }
 
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                #endregion
 
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                #region Code Analyzation
 
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                /// <summary>
 
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                /// Creates a new definite assignment analysis object with a given root statement.
 
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                /// </summary>
 
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                /// <returns>
 
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                /// The definite assignment analysis object.
 
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                /// </returns>
 
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                /// <param name='root'>
 
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                /// The root statement.
 
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                /// </param>
 
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                public DefiniteAssignmentAnalysis CreateDefiniteAssignmentAnalysis (Statement root)
 
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                {
 
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                        return new DefiniteAssignmentAnalysis (root, resolver, CancellationToken);
 
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                }
 
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                /// <summary>
 
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                /// Creates a new reachability analysis object with a given statement.
 
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                /// </summary>
 
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                /// <param name="statement">
 
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                /// The statement to start the analysis.
 
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                /// </param>
 
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                /// <returns>
 
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                /// The reachability analysis object.
 
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                /// </returns>
 
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                public ReachabilityAnalysis CreateReachabilityAnalysis (Statement statement)
 
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                {
 
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                        return ReachabilityAnalysis.Create (statement, resolver, CancellationToken);
 
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                }
 
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                /// <summary>
 
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                /// Parses a composite format string.
 
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                /// </summary>
 
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                /// <returns>
 
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                /// The format string parsing result.
 
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                /// </returns>
 
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                public virtual FormatStringParseResult ParseFormatString(string source)
 
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                {
 
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                        return new CompositeFormatStringParser().Parse(source);
 
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                }
 
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                LocalReferenceFinder referenceFinder;
 
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                public IList<ReferenceResult> FindReferences(AstNode rootNode, IVariable variable)
 
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                {
 
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                        return referenceFinder.FindReferences(rootNode, variable);
 
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                }
 
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                #endregion
 
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                /// <summary>
 
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                /// Translates the english input string to the context language.
 
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                /// </summary>
 
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                /// <returns>
 
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                /// The translated string.
 
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                /// </returns>
 
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                public virtual string TranslateString(string str)
 
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                {
 
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                        return str;
 
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                }
 
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                #region IServiceProvider implementation
 
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                IServiceContainer services = new ServiceContainer();
 
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                /// <summary>
 
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                /// Gets a service container used to associate services with this context.
 
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                /// </summary>
 
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                public IServiceContainer Services {
 
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                        get { return services; }
 
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                        protected set { services = value; }
 
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                }
 
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                /// <summary>
 
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                /// Retrieves a service from the refactoring context.
 
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                /// If the service is not found in the <see cref="Services"/> container.
 
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                /// </summary>
 
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                public object GetService(Type serviceType)
 
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                {
 
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                        return services.GetService(serviceType);
 
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                }
 
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                #endregion
 
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        }
 
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}