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AspClassic.Parser/OptionDeclaration.cs

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+using System;
+using System.Collections.Generic;
+
+namespace AspClassic.Parser;
+
+/// <summary>
+/// A parse tree for an Option declaration.
+/// </summary>
+public sealed class OptionDeclaration : Declaration
+{
+	private readonly OptionType _OptionType;
+
+	private readonly Location _OptionTypeLocation;
+
+	private readonly Location _OptionArgumentLocation;
+
+	/// <summary>
+	/// The type of Option statement.
+	/// </summary>
+	public OptionType OptionType => _OptionType;
+
+	/// <summary>
+	/// The location of the Option type (e.g. "Strict"), if any.
+	/// </summary>
+	public Location OptionTypeLocation => _OptionTypeLocation;
+
+	/// <summary>
+	/// The location of the Option argument (e.g. "On"), if any.
+	/// </summary>
+	public Location OptionArgumentLocation => _OptionArgumentLocation;
+
+	/// <summary>
+	/// Constructs a new parse tree for an Option declaration.
+	/// </summary>
+	/// <param name="optionType">The type of the Option declaration.</param>
+	/// <param name="optionTypeLocation">The location of the Option type, if any.</param>
+	/// <param name="optionArgumentLocation">The location of the Option argument, if any.</param>
+	/// <param name="span">The location of the parse tree.</param>
+	/// <param name="comments">The comments for the parse tree.</param>
+	public OptionDeclaration(OptionType optionType, Location optionTypeLocation, Location optionArgumentLocation, Span span, IList<Comment> comments)
+		: base(TreeType.OptionDeclaration, span, comments)
+	{
+		if (optionType < OptionType.SyntaxError || optionType > OptionType.CompareText)
+		{
+			throw new ArgumentOutOfRangeException("optionType");
+		}
+		_OptionType = optionType;
+		_OptionTypeLocation = optionTypeLocation;
+		_OptionArgumentLocation = optionArgumentLocation;
+	}
+}