public override AstNode VisitRelational(StannumParser.RelationalContext context)
{
if (!(Visit(context.Left) is Expr left))
{
throw new Exception("Unrecognized expression!");
}
if (!(Visit(context.Right) is Expr right))
{
throw new Exception("Unrecognized expression!");
}
return(new BinaryExpr(left, context.Op.Text, right));
}
/// <summary>
/// Visit a parse tree produced by the <c>Relational</c>
/// labeled alternative in <see cref="StannumParser.relational_"/>.
/// <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 VisitRelational([NotNull] StannumParser.RelationalContext context)
{
return(VisitChildren(context));
}