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// Mike Krüger <mkrueger@novell.com>
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// Copyright (c) 2009 Novell, Inc (http://www.novell.com)
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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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// 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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// 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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using MonoDevelop.Projects.Dom;
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namespace MonoDevelop.CSharp.Ast
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public class Identifier : AstNode
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public static readonly new Identifier Null = new NullIdentifier ();
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class NullIdentifier : Identifier
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public override bool IsNull {
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public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
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public override NodeType NodeType {
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return NodeType.Unknown;
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get { return this.name; }
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throw new ArgumentNullException("value");
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public bool IsQuoted {
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AstLocation startLocation;
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public override AstLocation StartLocation {
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public override AstLocation EndLocation {
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return new AstLocation (StartLocation.Line, StartLocation.Column + (Name ?? "").Length + (IsQuoted ? 1 : 0));
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this.name = string.Empty;
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public Identifier (string name, AstLocation location)
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throw new ArgumentNullException("name");
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this.startLocation = location;
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public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
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return visitor.VisitIdentifier (this, data);