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AspClassic.Parser/AliasImport.cs

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+using System;
+using System.Collections.Generic;
+
+namespace AspClassic.Parser;
+
+/// <summary>
+/// A parse tree for an Imports statement that aliases a type or namespace.
+/// </summary>
+public sealed class AliasImport : Import
+{
+	private readonly SimpleName _Name;
+
+	private readonly Location _EqualsLocation;
+
+	private readonly TypeName _AliasedTypeName;
+
+	/// <summary>
+	/// The alias name.
+	/// </summary>
+	public SimpleName Name => _Name;
+
+	/// <summary>
+	/// The location of the '='.
+	/// </summary>
+	public Location EqualsLocation => _EqualsLocation;
+
+	/// <summary>
+	/// The name being aliased.
+	/// </summary>
+	public TypeName AliasedTypeName => _AliasedTypeName;
+
+	/// <summary>
+	/// Constructs a new aliased import parse tree.
+	/// </summary>
+	/// <param name="name">The name of the alias.</param>
+	/// <param name="equalsLocation">The location of the '='.</param>
+	/// <param name="aliasedTypeName">The name being aliased.</param>
+	/// <param name="span">The location of the parse tree.</param>
+	public AliasImport(SimpleName name, Location equalsLocation, TypeName aliasedTypeName, Span span)
+		: base(TreeType.AliasImport, span)
+	{
+		if (aliasedTypeName == null)
+		{
+			throw new ArgumentNullException("aliasedTypeName");
+		}
+		if (name == null)
+		{
+			throw new ArgumentNullException("name");
+		}
+		SetParent(name);
+		SetParent(aliasedTypeName);
+		_Name = name;
+		_EqualsLocation = equalsLocation;
+		_AliasedTypeName = aliasedTypeName;
+	}
+
+	protected override void GetChildTrees(IList<Tree> childList)
+	{
+		base.GetChildTrees(childList);
+		Tree.AddChild(childList, AliasedTypeName);
+	}
+}