[fpc-devel] Improved RTTI compromise

Michael Van Canneyt michael at freepascal.org
Tue Dec 6 17:46:00 CET 2016

On Tue, 6 Dec 2016, Maciej Izak wrote:

> Hi,
> I was thinking about extended RTTI, and important RTTI.pas module (good
> start point with attributes is waiting 3 years). Seems that the only real
> reason why we don't have yet RTTI.pas in trunk is incompatibility of
> generated type info (as Jonas said: TAttributeData vs TAttrData, no
> TAttrEntry).
> Current situation seems like big lock for many developers and development.
> I see 3 solutions:
> 1. TAttributeData with additional compiler hinting directive "experimental"
> 2. Moving TAttributeData into implementation section (and related functions
> accessible through alias&special *.inc for RTTI.pas). Only usage of
> attributes through RTTI.pas would be allowed.

The Delphi TypInfo unit also exposes the attributes.


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