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AspClassic.Parser/UnaryOperatorExpression.cs

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+using System;
+
+namespace AspClassic.Parser;
+
+/// <summary>
+/// A parse tree for an unary operator expression.
+/// </summary>
+public sealed class UnaryOperatorExpression : UnaryExpression
+{
+	private OperatorType _Operator;
+
+	/// <summary>
+	/// The operator.
+	/// </summary>
+	public OperatorType Operator => _Operator;
+
+	/// <summary>
+	/// Constructs a new unary operator expression parse tree.
+	/// </summary>
+	/// <param name="operator">The type of the unary operator.</param>
+	/// <param name="operand">The operand of the operator.</param>
+	/// <param name="span">The location of the parse tree.</param>
+	public UnaryOperatorExpression(OperatorType @operator, Expression operand, Span span)
+		: base(TreeType.UnaryOperatorExpression, operand, span)
+	{
+		if (@operator < OperatorType.UnaryPlus || @operator > OperatorType.Not)
+		{
+			throw new ArgumentOutOfRangeException("operator");
+		}
+		_Operator = @operator;
+	}
+}