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AspClassic.Parser/Parameter.cs

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+using System;
+using System.Collections.Generic;
+
+namespace AspClassic.Parser;
+
+/// <summary>
+/// A parse tree for a parameter.
+/// </summary>
+public sealed class Parameter : Tree
+{
+	private readonly AttributeBlockCollection _Attributes;
+
+	private readonly ModifierCollection _Modifiers;
+
+	private readonly VariableName _VariableName;
+
+	private readonly Location _AsLocation;
+
+	private readonly TypeName _ParameterType;
+
+	private readonly Location _EqualsLocation;
+
+	private readonly Initializer _Initializer;
+
+	/// <summary>
+	/// The attributes on the parameter.
+	/// </summary>
+	public AttributeBlockCollection Attributes => _Attributes;
+
+	/// <summary>
+	/// The modifiers on the parameter.
+	/// </summary>
+	public ModifierCollection Modifiers => _Modifiers;
+
+	/// <summary>
+	/// The name of the parameter.
+	/// </summary>
+	public VariableName VariableName => _VariableName;
+
+	/// <summary>
+	/// The location of the 'As', if any.
+	/// </summary>
+	public Location AsLocation => _AsLocation;
+
+	/// <summary>
+	/// The parameter type, if any.
+	/// </summary>
+	public TypeName ParameterType => _ParameterType;
+
+	/// <summary>
+	/// The location of the '=', if any.
+	/// </summary>
+	public Location EqualsLocation => _EqualsLocation;
+
+	/// <summary>
+	/// The initializer for the parameter, if any.
+	/// </summary>
+	public Initializer Initializer => _Initializer;
+
+	/// <summary>
+	/// Constructs a new parameter parse tree.
+	/// </summary>
+	/// <param name="attributes">The attributes on the parameter.</param>
+	/// <param name="modifiers">The modifiers on the parameter.</param>
+	/// <param name="variableName">The name of the parameter.</param>
+	/// <param name="asLocation">The location of the 'As'.</param>
+	/// <param name="parameterType">The type of the parameter. Can be Nothing.</param>
+	/// <param name="equalsLocation">The location of the '='.</param>
+	/// <param name="initializer">The initializer for the parameter. Can be Nothing.</param>
+	/// <param name="span">The location of the parse tree.</param>
+	public Parameter(AttributeBlockCollection attributes, ModifierCollection modifiers, VariableName variableName, Location asLocation, TypeName parameterType, Location equalsLocation, Initializer initializer, Span span)
+		: base(TreeType.Parameter, span)
+	{
+		if (variableName == null)
+		{
+			throw new ArgumentNullException("variableName");
+		}
+		SetParent(attributes);
+		SetParent(modifiers);
+		SetParent(variableName);
+		SetParent(parameterType);
+		SetParent(initializer);
+		_Attributes = attributes;
+		_Modifiers = modifiers;
+		_VariableName = variableName;
+		_AsLocation = asLocation;
+		_ParameterType = parameterType;
+		_EqualsLocation = equalsLocation;
+		_Initializer = initializer;
+	}
+
+	protected override void GetChildTrees(IList<Tree> childList)
+	{
+		Tree.AddChild(childList, Attributes);
+		Tree.AddChild(childList, Modifiers);
+		Tree.AddChild(childList, VariableName);
+		Tree.AddChild(childList, ParameterType);
+		Tree.AddChild(childList, Initializer);
+	}
+}