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

 1// 
 2// ReturnStatement.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	/// return Expression;
31	/// </summary>
32	public class ReturnStatement : Statement
33	{
34		public static readonly TokenRole ReturnKeywordRole = new TokenRole ("return");
35
36		public CSharpTokenNode ReturnToken {
37			get { return GetChildByRole (ReturnKeywordRole); }
38		}
39		
40		public Expression Expression {
41			get { return GetChildByRole (Roles.Expression); }
42			set { SetChildByRole (Roles.Expression, value); }
43		}
44		
45		public CSharpTokenNode SemicolonToken {
46			get { return GetChildByRole (Roles.Semicolon); }
47		}
48		
49		public ReturnStatement ()
50		{
51		}
52		
53		public ReturnStatement (Expression returnExpression)
54		{
55			AddChild (returnExpression, Roles.Expression);
56		}
57		
58		public override void AcceptVisitor (IAstVisitor visitor)
59		{
60			visitor.VisitReturnStatement (this);
61		}
62			
63		public override T AcceptVisitor<T> (IAstVisitor<T> visitor)
64		{
65			return visitor.VisitReturnStatement (this);
66		}
67		
68		public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
69		{
70			return visitor.VisitReturnStatement (this, data);
71		}
72		
73		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
74		{
75			ReturnStatement o = other as ReturnStatement;
76			return o != null && this.Expression.DoMatch(o.Expression, match);
77		}
78	}
79}