[fpc-pascal] dot within unit file name

[Michael Van Canneyt]

On Fri, 18 Jan 2008, Bee wrote:

> > For clarity: I am not against this dot by itself. I can only assure you, if
> > implemented, that it will not end up in 2.2.2.
> > 
> > As for implementing this feature: this is not so trivial as one might think.
> > 
> > 1. The parser needs changing. That's probably the easy part.
> > 
> > 2. Symbol lookups need changing. This is the hard part, because you must be
> >    able to handle correctly unitname.identifier.identifier2.identifier3
> > 
> >    It doesn't take a lot of intelligence to see that if unitname can
> >    containe one (or more) dots, this mechanism becomes suddenly a lot harder
> >    because your unitname may, by accident, match unitname.identifier1 of
> >    a symbol in another unit.
> > 
> > And doing all this in a way that doesn't change current behaviour...
> > Not something you can do in a day, if you ask me.
> 
> Maybe it is a good time for me to learn fpc compiler codes now. I never look
> inside them before, just the RTL and FCL. :-D
> 
> Can you show me which files I need to look and learn in order to have this
> feature? TIA.

I'm not an expert, the compiler is not my domain, but:

parser is in parser.pas
sym*.pas files contain the symbol handling.

Michael.