progress

AspClassic.Parser/CompoundAssignmentStatement.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+
+namespace AspClassic.Parser;
+
+/// <summary>
+/// A parse tree for a compound assignment statement.
+/// </summary>
+public sealed class CompoundAssignmentStatement : Statement
+{
+	private readonly Expression _TargetExpression;
+
+	private readonly OperatorType _CompoundOperator;
+
+	private readonly Location _OperatorLocation;
+
+	private readonly Expression _SourceExpression;
+
+	/// <summary>
+	/// The target of the assignment.
+	/// </summary>
+	public Expression TargetExpression => _TargetExpression;
+
+	/// <summary>
+	/// The compound operator.
+	/// </summary>
+	public OperatorType CompoundOperator => _CompoundOperator;
+
+	/// <summary>
+	/// The location of the operator.
+	/// </summary>
+	public Location OperatorLocation => _OperatorLocation;
+
+	/// <summary>
+	/// The source of the assignment.
+	/// </summary>
+	public Expression SourceExpression => _SourceExpression;
+
+	/// <summary>
+	/// Constructs a new parse tree for a compound assignment statement.
+	/// </summary>
+	/// <param name="compoundOperator">The compound operator.</param>
+	/// <param name="targetExpression">The target of the assignment.</param>
+	/// <param name="operatorLocation">The location of the operator.</param>
+	/// <param name="sourceExpression">The source of the assignment.</param>
+	/// <param name="span">The location of the parse tree.</param>
+	/// <param name="comments">The comments for the parse tree.</param>
+	public CompoundAssignmentStatement(OperatorType compoundOperator, Expression targetExpression, Location operatorLocation, Expression sourceExpression, Span span, IList<Comment> comments)
+		: base(TreeType.CompoundAssignmentStatement, span, comments)
+	{
+		if (compoundOperator < OperatorType.Plus || compoundOperator > OperatorType.Power)
+		{
+			throw new ArgumentOutOfRangeException("compoundOperator");
+		}
+		if (targetExpression == null)
+		{
+			throw new ArgumentNullException("targetExpression");
+		}
+		if (sourceExpression == null)
+		{
+			throw new ArgumentNullException("sourceExpression");
+		}
+		SetParent(targetExpression);
+		SetParent(sourceExpression);
+		_CompoundOperator = compoundOperator;
+		_TargetExpression = targetExpression;
+		_OperatorLocation = operatorLocation;
+		_SourceExpression = sourceExpression;
+	}
+
+	protected override void GetChildTrees(IList<Tree> childList)
+	{
+		Tree.AddChild(childList, TargetExpression);
+		Tree.AddChild(childList, SourceExpression);
+	}
+}