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  • Committer: Bazaar Package Importer
  • Author(s): Jo Shields
  • Date: 2011-06-27 17:03:13 UTC
  • mto: (1.8.1 upstream)
  • mto: This revision was merged to the branch mainline in revision 54.
  • Revision ID: james.westby@ubuntu.com-20110627170313-6cvz3s19x6e9hqe9
Import upstream version 2.5.92+dfsg

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