public override Node VisitArithmetic([NotNull] TigerParser.ArithmeticContext context)
{
ArithmeticNode node;
switch (context.op.Text)
{
case "*":
node = new MulNode(context);
break;
case "/":
node = new DivNode(context);
break;
case "+":
node = new PlusNode(context);
break;
case "-":
node = new MinusNode(context);
break;
default:
throw new NotSupportedException();
}
node.Children.Add(Visit(context.expr(0))); // LEFT EXPRESSION
node.Children.Add(Visit(context.expr(1))); // RIGHT EXPRESSION
return(node);
}
/// <summary>
/// Visit a parse tree produced by the <c>Arithmetic</c>
/// labeled alternative in <see cref="TigerParser.expr"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitArithmetic([NotNull] TigerParser.ArithmeticContext context)
{
return(VisitChildren(context));
}
