Re: [Pasdoc-main] [ pasdoc-Bugs-2500102 ] Error when parsing Delphi 2009 files with generics

[Thomas H. <tho...@gm...>]

-------- Original-Nachricht --------
> Datum: Thu, 15 Jan 2009 23:02:11 +0100
> Von: Hans-Peter Diettrich <DrD...@ao...>
> An: "Discussion, announcements, 	questions concerning pasdoc" <pas...@li...>
> Betreff: Re: [Pasdoc-main] [ pasdoc-Bugs-2500102 ] Error when parsing Delphi 2009 files with generics

> Michalis Kamburelis schrieb:
> 
> >> D2009 has more extensions to the grammar (local types...), for which a 
> >> grammar is required. PasDoc2 already has provisions to handle such 
> >> extensions, but any implementation deserves a grammar in the first 
> >> place, followed by a decision about the representation of the added 
> >> elements.
> >>
> >> DoDi
> >>
> > 
> > Indeed, contributions to Delphi 2009 syntax are welcome. I don't own any
> > Delphi now, so I can only offer applying the patch if someone will
> > submit one :)
> 
> We also can wait for the FPC parser/grammar, compatible with D2009.
> 
> I'd prefer to use the FPC parser immediately, as seems to be done in 
> FPDoc, but I'm not sure where that parser resides, and how it can be 
> used outside of FPC.
> 
> > For starters, just to make it basically parsed, I would even accept a
> > patch that parses it dumbly and places class name =
> > "TObjectList<MyClass>". That is, the simplest approach to just treat
> > whole "TObjectList<MyClass>" as a single identifier, without linking it
> > to the generic TObjectList. Of course, a better patch would be most
> > welcome ---I'm just saying that any crude solution will be accepted in
> > the meantime (as long as it doesn't break any normal parsing of course).
> 
> More extensions to the parser are required, new keywords like "generic" 
> and the related syntax, etc.

This is not really correct. To use e.g. a generic TObjectList you need to include the unit "Generics.Collections" and may then write something like:

type
 TMyList = TObjectList<TStringList>;

This creates a generic descendant of TObjectList containing TStringLists. Michalis "dirty" solution isy at least be a solution for the most used new feature of Delphi 2009. Of course for other new things like anonymous methods, writing own generics (which needs a type called <T> as Placeholder for the later used class), a correct complete grammar ist needed - which I cannot provide, since I don't really understand how PasDoc works and how changes like these need to be planned and implemented. 

> 
> > DoDi: remember that bug submitters do not have to be subscribed to
> > mailing list, so it's best to answer by adding a comment to the bug. (In
> > this case Thomas is subscribed, just mentioning...).
> 
> Thanks for the hint :-)
> 
> DoDi
> 
> 
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