progress

AspClassic.Parser/ExpressionStatement.cs

@@ -0,0 +1,38 @@
+#define DEBUG
+using System.Collections.Generic;
+using System.Diagnostics;
+
+namespace AspClassic.Parser;
+
+/// <summary>
+/// A parse tree for an expression statement.
+/// </summary>
+public abstract class ExpressionStatement : Statement
+{
+	private readonly Expression _Expression;
+
+	/// <summary>
+	/// The expression.
+	/// </summary>
+	public Expression Expression => _Expression;
+
+	/// <summary>
+	/// Constructs a new parse tree for an expression statement.
+	/// </summary>
+	/// <param name="type">The type of the parse tree.</param>
+	/// <param name="expression">The expression.</param>
+	/// <param name="span">The location of the parse tree.</param>
+	/// <param name="comments">The comments for the parse tree.</param>
+	protected ExpressionStatement(TreeType type, Expression expression, Span span, IList<Comment> comments)
+		: base(type, span, comments)
+	{
+		Debug.Assert(type == TreeType.ReturnStatement || type == TreeType.ErrorStatement || type == TreeType.ThrowStatement);
+		SetParent(expression);
+		_Expression = expression;
+	}
+
+	protected override void GetChildTrees(IList<Tree> childList)
+	{
+		Tree.AddChild(childList, Expression);
+	}
+}