/NRefactory/ICSharpCode.NRefactory.CSharp/Ast/Statements/UsingStatement.cs

 1// 
 2// UsingStatement.cs
 3//  
 4// Author:
 5//       Mike Krüger <mkrueger@novell.com>
 6// 
 7// Copyright (c) 2009 Novell, Inc (http://www.novell.com)
 8// 
 9// Permission is hereby granted, free of charge, to any person obtaining a copy
10// of this software and associated documentation files (the "Software"), to deal
11// in the Software without restriction, including without limitation the rights
12// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13// copies of the Software, and to permit persons to whom the Software is
14// furnished to do so, subject to the following conditions:
15// 
16// The above copyright notice and this permission notice shall be included in
17// all copies or substantial portions of the Software.
18// 
19// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25// THE SOFTWARE.
26
27namespace ICSharpCode.NRefactory.CSharp
28{
29	/// <summary>
30	/// using (ResourceAcquisition) EmbeddedStatement
31	/// </summary>
32	public class UsingStatement : Statement
33	{
34		public static readonly TokenRole UsingKeywordRole = new TokenRole ("using");
35		public static readonly Role<AstNode> ResourceAcquisitionRole = new Role<AstNode>("ResourceAcquisition", AstNode.Null);
36		
37		public CSharpTokenNode UsingToken {
38			get { return GetChildByRole (UsingKeywordRole); }
39		}
40		
41		public CSharpTokenNode LParToken {
42			get { return GetChildByRole (Roles.LPar); }
43		}
44		
45		/// <summary>
46		/// Either a VariableDeclarationStatement, or an Expression.
47		/// </summary>
48		public AstNode ResourceAcquisition {
49			get { return GetChildByRole (ResourceAcquisitionRole); }
50			set { SetChildByRole (ResourceAcquisitionRole, value); }
51		}
52		
53		public CSharpTokenNode RParToken {
54			get { return GetChildByRole (Roles.RPar); }
55		}
56		
57		public Statement EmbeddedStatement {
58			get { return GetChildByRole (Roles.EmbeddedStatement); }
59			set { SetChildByRole (Roles.EmbeddedStatement, value); }
60		}
61		
62		public override void AcceptVisitor (IAstVisitor visitor)
63		{
64			visitor.VisitUsingStatement (this);
65		}
66			
67		public override T AcceptVisitor<T> (IAstVisitor<T> visitor)
68		{
69			return visitor.VisitUsingStatement (this);
70		}
71		
72		public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
73		{
74			return visitor.VisitUsingStatement (this, data);
75		}
76		
77		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
78		{
79			UsingStatement o = other as UsingStatement;
80			return o != null && this.ResourceAcquisition.DoMatch(o.ResourceAcquisition, match) && this.EmbeddedStatement.DoMatch(o.EmbeddedStatement, match);
81		}
82	}
83}