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

 1// 
 2// VariableDeclarationStatement.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
27using System.Collections.Generic;
28using System.Linq;
29
30namespace ICSharpCode.NRefactory.CSharp
31{
32	public class VariableDeclarationStatement : Statement
33	{
34		public static readonly Role<CSharpModifierToken> ModifierRole = EntityDeclaration.ModifierRole;
35		
36		public VariableDeclarationStatement()
37		{
38		}
39		
40		public VariableDeclarationStatement(AstType type, string name, Expression initializer = null)
41		{
42			this.Type = type;
43			this.Variables.Add(new VariableInitializer(name, initializer));
44		}
45		
46		public Modifiers Modifiers {
47			get { return EntityDeclaration.GetModifiers(this); }
48			set { EntityDeclaration.SetModifiers(this, value); }
49		}
50		
51		public AstType Type {
52			get { return GetChildByRole (Roles.Type); }
53			set { SetChildByRole (Roles.Type, value); }
54		}
55		
56		public AstNodeCollection<VariableInitializer> Variables {
57			get { return GetChildrenByRole (Roles.Variable); }
58		}
59		
60		public CSharpTokenNode SemicolonToken {
61			get { return GetChildByRole (Roles.Semicolon); }
62		}
63		
64		public VariableInitializer GetVariable (string name)
65		{
66			return Variables.FirstOrNullObject (vi => vi.Name == name);
67		}
68		
69		public override void AcceptVisitor (IAstVisitor visitor)
70		{
71			visitor.VisitVariableDeclarationStatement (this);
72		}
73			
74		public override T AcceptVisitor<T> (IAstVisitor<T> visitor)
75		{
76			return visitor.VisitVariableDeclarationStatement (this);
77		}
78		
79		public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
80		{
81			return visitor.VisitVariableDeclarationStatement (this, data);
82		}
83		
84		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
85		{
86			VariableDeclarationStatement o = other as VariableDeclarationStatement;
87			return o != null && this.Modifiers == o.Modifiers && this.Type.DoMatch(o.Type, match) && this.Variables.DoMatch(o.Variables, match);
88		}
89	}
90}