// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
// 
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// 
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// 
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using System;

namespace ICSharpCode.Decompiler.CSharp.Syntax
{
	/// <summary>
	/// Base class for expressions.
	/// </summary>
	/// <remarks>
	/// This class is useful even though it doesn't provide any additional functionality:
	/// It can be used to communicate more information in APIs, e.g. "this subnode will always be an expression"
	/// </remarks>
	[DecompilerAstNode(hasNullNode: true, hasPatternPlaceholder: true)]
	public abstract partial class Expression : AstNode
	{
		public override NodeType NodeType {
			get {
				return NodeType.Expression;
			}
		}

		public new Expression Clone()
		{
			return (Expression)base.Clone();
		}

		public Expression ReplaceWith(Func<Expression, Expression> replaceFunction)
		{
			if (replaceFunction == null)
				throw new ArgumentNullException(nameof(replaceFunction));
			return (Expression)base.ReplaceWith(node => replaceFunction((Expression)node));
		}
	}
}