ILSpy/ICSharpCode.NRefactory.CSharp/Ast/Expressions/ArrayInitializerExpression.cs

// 
// ArrayInitializerExpression.cs
//
// Author:
//       Mike Krüger <mkrueger@novell.com>
// 
// Copyright (c) 2010 Novell, Inc (http://www.novell.com)
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System.Collections.Generic;

namespace ICSharpCode.NRefactory.CSharp
{
	/// <summary>
	/// { Elements }
	/// </summary>
	public class ArrayInitializerExpression : Expression
	{
		public ArrayInitializerExpression()
		{
		}
		
		public ArrayInitializerExpression(IEnumerable<Expression> elements)
		{
			this.Elements.AddRange(elements);
		}
		
		public ArrayInitializerExpression(params Expression[] elements)
		{
			this.Elements.AddRange(elements);
		}
		
		#region Null
		public new static readonly ArrayInitializerExpression Null = new NullArrayInitializerExpression ();
		
		sealed class NullArrayInitializerExpression : ArrayInitializerExpression
		{
			public override bool IsNull {
				get {
					return true;
				}
			}
			
			public override void AcceptVisitor (IAstVisitor visitor)
			{
			}
				
			public override T AcceptVisitor<T> (IAstVisitor<T> visitor)
			{
				return default (T);
			}
			
			public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
			{
				return default (S);
			}
			
			protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
			{
				return other == null || other.IsNull;
			}
		}
		#endregion
		
		public CSharpTokenNode LBraceToken {
			get { return GetChildByRole (Roles.LBrace); }
		}
		
		public AstNodeCollection<Expression> Elements {
			get { return GetChildrenByRole(Roles.Expression); }
		}
		
		public CSharpTokenNode RBraceToken {
			get { return GetChildByRole (Roles.RBrace); }
		}
		
		public override void AcceptVisitor (IAstVisitor visitor)
		{
			visitor.VisitArrayInitializerExpression (this);
		}
			
		public override T AcceptVisitor<T> (IAstVisitor<T> visitor)
		{
			return visitor.VisitArrayInitializerExpression (this);
		}
		
		public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
		{
			return visitor.VisitArrayInitializerExpression (this, data);
		}
		
		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
		{
			ArrayInitializerExpression o = other as ArrayInitializerExpression;
			return o != null && this.Elements.DoMatch(o.Elements, match);
		}
	}
}