[fpc-devel] Allow record helper inheritance in Delphi mode

Michael Van Canneyt michael at freepascal.org
Tue Aug 29 08:47:33 CEST 2017

On Tue, 29 Aug 2017, Sven Barth via fpc-devel wrote:

> Am 28.08.2017 23:11 schrieb "Ondrej Pokorny" <lazarus at kluug.net>:
>> Hello!
>> I find it unnecessary to disable record helper inheritance in Delphi
> mode. Due to this  artificial limitation I have to change unit mode from
> Delphi to ObjFPC.
>> Reasons:
>> 1.) It's a limitation of a feature that FPC already has.
>> 2.) I write FPC-only code in Delphi mode. I don't care about Delphi
> compatibilty.
>> 3.) There are already switches/features allowed in Delphi mode that are
> not compatible with Delphi either. (E.g.  {$COPERATORS ON}, {$MACRO ON},
> maybe more).
>> Please either allow record helper inheritance in Delphi mode by default
> or at least make a switch to allow it. I can try to come up with a patch if
> you suggest what you prefer.
>> I find it ridiculous to change the mode of a whole unit just to enable a
> feature that FPC already has and Delphi strangely lacks.
> This will not be enabled by default. If anything a modeswitch will be added
> so that users are aware that what they'll write will not be compatible with
> Delphi.
> However since I'm busy with other FPC stuff: patches welcome. Suggested
> name is "NonDelphiExtensions".

Why not simply allow $RECORDHELPERS or so ?


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