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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.VB/Ast/VBTokenNode.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.VB/Ast/VBTokenNode.cs
 
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/*
 
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 * Created by SharpDevelop.
 
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 * User: Siegfried
 
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 * Date: 11.04.2011
 
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 * Time: 20:44
 
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 * 
 
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 * To change this template use Tools | Options | Coding | Edit Standard Headers.
 
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 */
 
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using System;
 
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namespace ICSharpCode.NRefactory.VB.Ast
 
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{
 
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        /// <summary>
 
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        /// Description of VBTokenNode.
 
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        /// </summary>
 
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        public class VBTokenNode : AstNode
 
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        {
 
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                public static new readonly VBTokenNode Null = new NullVBTokenNode();
 
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                class NullVBTokenNode : VBTokenNode
 
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                {
 
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                        public override bool IsNull {
 
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                                get {
 
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                                        return true;
 
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                                }
 
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                        }
 
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                        public NullVBTokenNode() : base (TextLocation.Empty, 0)
 
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                        {
 
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                        }
 
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                        public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
 
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                        {
 
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                                return default (S);
 
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                        }
 
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                        protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
 
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                        {
 
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                                return other == null || other.IsNull;
 
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                        }
 
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                }
 
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                TextLocation startLocation;
 
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                public override TextLocation StartLocation {
 
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                        get {
 
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                                return startLocation;
 
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                        }
 
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                }
 
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                protected int tokenLength = -1;
 
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                TextLocation endLocation;
 
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                public override TextLocation EndLocation {
 
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                        get {
 
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                                return tokenLength < 0 ? endLocation : new TextLocation(startLocation.Line, startLocation.Column + tokenLength);
 
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                        }
 
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                }
 
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                public VBTokenNode(TextLocation location, int tokenLength)
 
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                {
 
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                        this.startLocation = location;
 
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                        this.tokenLength = tokenLength;
 
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                }
 
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                public VBTokenNode(TextLocation startLocation, TextLocation endLocation)
 
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                {
 
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                        this.startLocation = startLocation;
 
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                        this.endLocation = endLocation;
 
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                }
 
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                public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
 
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                {
 
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                        return visitor.VisitVBTokenNode(this, data);
 
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                }
 
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                protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
 
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                {
 
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                        var node = other as VBTokenNode;
 
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                        return node != null && !node.IsNull;
 
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                }
 
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                public override string ToString ()
 
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                {
 
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                        return string.Format ("[VBTokenNode: StartLocation={0}, EndLocation={1}, Role={2}]", StartLocation, EndLocation, Role);
 
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                }
 
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        }
 
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}