public override Node VisitAttr([NotNull] coolgrammarParser.AttrContext context)
{
var a = (Formal)Visit(context.formal());
if (context.ChildCount > 1)
{
var exp = (Expr)Visit(context.expr());
return(new Attr_Def(a.name, a.type, exp));
}
return(new Attr_Def(a.name, a.type, null));
}
/// <summary>
/// Visit a parse tree produced by <see cref="coolgrammarParser.attr"/>.
/// <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 VisitAttr([NotNull] coolgrammarParser.AttrContext context)
{
return(VisitChildren(context));
}