public override IPExpr VisitNamedTupleAccessExpr(PParser.NamedTupleAccessExprContext context)
{
var subExpr = Visit(context.expr());
if (!(subExpr.Type.Canonicalize() is NamedTupleType tuple))
{
throw handler.TypeMismatch(subExpr, TypeKind.NamedTuple);
}
var fieldName = context.field.GetText();
if (!tuple.LookupEntry(fieldName, out var entry))
{
throw handler.MissingNamedTupleEntry(context.field, tuple);
}
return(new NamedTupleAccessExpr(context, subExpr, entry));
}