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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.CSharp/Resolver/IResolveVisitorNavigator.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/Resolver/IResolveVisitorNavigator.cs
 
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// Copyright (c) 2010-2013 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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        /// <summary>
 
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        /// Allows controlling which nodes are resolved by the resolve visitor.
 
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        /// </summary>
 
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        /// <seealso cref="ResolveVisitor"/>
 
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        public interface IResolveVisitorNavigator
 
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        {
 
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                /// <summary>
 
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                /// Asks the navigator whether to scan, skip, or resolve a node.
 
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                /// </summary>
 
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                ResolveVisitorNavigationMode Scan(AstNode node);
 
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                /// <summary>
 
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                /// Notifies the navigator that a node was resolved.
 
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                /// </summary>
 
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                /// <param name="node">The node that was resolved</param>
 
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                /// <param name="result">Resolve result</param>
 
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                void Resolved(AstNode node, ResolveResult result);
 
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                /// <summary>
 
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                /// Notifies the navigator that a conversion was applied.
 
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                /// </summary>
 
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                /// <param name="expression">The expression that was resolved.</param>
 
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                /// <param name="result">The resolve result of the expression.</param>
 
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                /// <param name="conversion">The conversion applied to the expressed.</param>
 
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                /// <param name="targetType">The target type of the conversion.</param>
 
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                void ProcessConversion(Expression expression, ResolveResult result, Conversion conversion, IType targetType);
 
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        }
 
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        /// <summary>
 
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        /// Represents the operation mode of the resolve visitor.
 
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        /// </summary>
 
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        /// <seealso cref="ResolveVisitor"/>
 
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        public enum ResolveVisitorNavigationMode
 
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        {
 
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                /// <summary>
 
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                /// Scan into the children of the current node, without resolving the current node.
 
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                /// </summary>
 
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                Scan,
 
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                /// <summary>
 
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                /// Skip the current node - do not scan into it; do not resolve it.
 
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                /// </summary>
 
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                Skip,
 
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                /// <summary>
 
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                /// Resolve the current node.
 
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                /// Subnodes which are not required for resolving the current node
 
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                /// will ask the navigator again whether they should be resolved.
 
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                /// </summary>
 
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                Resolve
 
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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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}