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Viewing changes to src/addins/MonoDevelop.Refactoring/MonoDevelop.Refactoring/ExtensionMethods.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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src/addins/MonoDevelop.Refactoring/MonoDevelop.Refactoring/ExtensionMethods.cs
 
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//
 
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// ExtensionMethods.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) 2013 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.CSharp.Resolver;
 
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using MonoDevelop.Ide.Gui;
 
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using ICSharpCode.NRefactory.CSharp;
 
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using ICSharpCode.NRefactory.CSharp.TypeSystem;
 
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using ICSharpCode.NRefactory.TypeSystem;
 
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using ICSharpCode.NRefactory.Semantics;
 
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using System.Threading.Tasks;
 
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namespace MonoDevelop.Refactoring
 
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{
 
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    public static class ExtensionMethods
 
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    {
 
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                class ResolverAnnotation
 
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                {
 
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                        public Task<CSharpAstResolver> Task;
 
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                        public CSharpUnresolvedFile ParsedFile;
 
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                }
 
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                /// <summary>
 
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                /// Returns a full C# syntax tree resolver which is shared between semantic highlighting, source analysis and refactoring.
 
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                /// For code analysis tasks this should be used instead of generating an own resolver. Only exception is if a local resolving is done using a 
 
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                /// resolve navigator.
 
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                /// Note: The shared resolver is fully resolved.
 
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                /// </summary>
 
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                public static Task<CSharpAstResolver> GetSharedResolver (this Document document)
 
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                {
 
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                        var parsedDocument = document.ParsedDocument;
 
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                        if (parsedDocument == null)
 
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                                return null;
 
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                        var unit       = parsedDocument.GetAst<SyntaxTree> ();
 
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                        var parsedFile = parsedDocument.ParsedFile as CSharpUnresolvedFile;
 
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                        if (unit == null || parsedFile == null)
 
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                                return null;
 
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                        var resolverAnnotation = document.Annotation<ResolverAnnotation> ();
 
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                        if (resolverAnnotation != null) {
 
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                                if (resolverAnnotation.ParsedFile == parsedFile)
 
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                                        return resolverAnnotation.Task;
 
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                                document.RemoveAnnotations<ResolverAnnotation> ();
 
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                        }
 
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                        var resolveTask = Task.Factory.StartNew (delegate {
 
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                                var result = new CSharpAstResolver (document.Compilation, unit, parsedFile);
 
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                                result.ApplyNavigator (new ConstantModeResolveVisitorNavigator (ResolveVisitorNavigationMode.Resolve, null));
 
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                                return result;
 
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                        });
 
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                        document.AddAnnotation (new ResolverAnnotation {
 
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                                Task = resolveTask,
 
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                                ParsedFile = parsedFile
 
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                        });
 
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                        return resolveTask;
 
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                }
 
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                sealed class ConstantModeResolveVisitorNavigator : IResolveVisitorNavigator
 
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                {
 
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                        readonly ResolveVisitorNavigationMode mode;
 
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                        readonly IResolveVisitorNavigator targetForResolveCalls;
 
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                        public ConstantModeResolveVisitorNavigator(ResolveVisitorNavigationMode mode, IResolveVisitorNavigator targetForResolveCalls)
 
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                        {
 
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                                this.mode = mode;
 
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                                this.targetForResolveCalls = targetForResolveCalls;
 
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                        }
 
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                        ResolveVisitorNavigationMode IResolveVisitorNavigator.Scan(AstNode node)
 
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                        {
 
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                                return mode;
 
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                        }
 
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                        void IResolveVisitorNavigator.Resolved(AstNode node, ResolveResult result)
 
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                        {
 
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                                if (targetForResolveCalls != null)
 
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                                        targetForResolveCalls.Resolved(node, result);
 
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                        }
 
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                        void IResolveVisitorNavigator.ProcessConversion(Expression expression, ResolveResult result, Conversion conversion, IType targetType)
 
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                        {
 
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                                if (targetForResolveCalls != null)
 
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                                        targetForResolveCalls.ProcessConversion(expression, result, conversion, targetType);
 
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                        }
 
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                }
 
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    }
 
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}
 
 
b'\\ No newline at end of file'