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Viewing changes to contrib/ICSharpCode.NRefactory.CSharp/Resolver/CompositeResolveVisitorNavigator.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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contrib/ICSharpCode.NRefactory.CSharp/Resolver/CompositeResolveVisitorNavigator.cs
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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
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// 
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
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// software and associated documentation files (the "Software"), to deal in the Software
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// without restriction, including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
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// to whom the Software is 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 all copies or
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// 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 IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System;
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using ICSharpCode.NRefactory.Semantics;
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using ICSharpCode.NRefactory.TypeSystem;
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namespace ICSharpCode.NRefactory.CSharp.Resolver
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{
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        public sealed class CompositeResolveVisitorNavigator : IResolveVisitorNavigator
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        {
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                IResolveVisitorNavigator[] navigators;
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                public CompositeResolveVisitorNavigator(params IResolveVisitorNavigator[] navigators)
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                {
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                        if (navigators == null)
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                                throw new ArgumentNullException("navigators");
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                        this.navigators = navigators;
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                        foreach (var n in navigators) {
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                                if (n == null)
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                                        throw new ArgumentException("Array must not contain nulls.");
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                        }
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                }
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                public ResolveVisitorNavigationMode Scan(AstNode node)
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                {
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                        bool needsScan = false;
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                        foreach (var navigator in navigators) {
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                                ResolveVisitorNavigationMode mode = navigator.Scan(node);
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                                if (mode == ResolveVisitorNavigationMode.Resolve)
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                                        return mode; // resolve has highest priority
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                                else if (mode == ResolveVisitorNavigationMode.Scan)
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                                        needsScan = true;
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                        }
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                        return needsScan ? ResolveVisitorNavigationMode.Scan : ResolveVisitorNavigationMode.Skip;
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                }
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                public void Resolved(AstNode node, ResolveResult result)
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                {
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                        foreach (var navigator in navigators) {
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                                navigator.Resolved(node, result);
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                        }
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                }
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                public void ProcessConversion(Expression expression, ResolveResult result, Conversion conversion, IType targetType)
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                {
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                        foreach (var navigator in navigators) {
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                                navigator.ProcessConversion(expression, result, conversion, targetType);
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                        }
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                }
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        }
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}