constructorinitializer.cs

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/*
 * Created by SharpDevelop.
 * User: Andrea
 * Date: 04.04.2004
 * Time: 12:47
 * 
 * To change this template use Tools | Options | File Templates.
 */
 
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 
 namespace ICSharpCode.CsVbRefactory.Parser.AST
 {
	public enum ConstructorInitializerType {
		None,
		Base,
		This
	}
	
	public class ConstructorInitializer : AbstractNode, INullable
	{
		ConstructorInitializerType constructorInitializerType = ConstructorInitializerType.None;
		List<Expression>           arguments                  = new List<Expression>(1);
		
		public ConstructorInitializerType ConstructorInitializerType {
			get {
				return constructorInitializerType;
			}
			set {
				constructorInitializerType = value;
			}
		}
		
		public List<Expression> Arguments {
			get {
				return arguments;
			}
			set {
				arguments = value == null ? new List<Expression>(1) : value;
			}
		}
		
		public virtual bool IsNull {
			get {
				return false;
			}
		}
		
		public static NullConstructorInitializer Null {
			get {
				return NullConstructorInitializer.Instance;
			}
		}
		
		public override object AcceptVisitor(IASTVisitor visitor, object data)
		{
			return visitor.Visit(this, data);
		}
		
		public override string ToString()
		{
			return String.Format("[ConstructorInitializer: ConstructorInitializerType = {0}, Arguments = {1}]",
			                     ConstructorInitializerType,
			                     GetCollectionString(arguments));
		}
	}
	
	public class NullConstructorInitializer : ConstructorInitializer
	{
		static NullConstructorInitializer nullConstructorInitializer = new NullConstructorInitializer();
		
		public static NullConstructorInitializer Instance {
			get {
				return nullConstructorInitializer;
			}
		}
		
		public override bool IsNull {
			get {
				return true;
			}
		}
		
		NullConstructorInitializer()
		{
		}
		
		public override object AcceptVisitor(IASTVisitor visitor, object data)
		{
			return data;
		}
		
		public override string ToString()
		{
			return String.Format("[NullConstructorInitializer]");
		}
	}
}