Leo~

On 12/4/05, Leopold Toetsch <[EMAIL PROTECTED]> wrote:
>
> On Dec 4, 2005, at 5:57, Matt Diephouse wrote:
>
> > Roger Browne <[EMAIL PROTECTED]> wrote:
> >> Leopold Toetsch wrote:
> >>
> >>>>     add_sub($S0, $P0)
> >>>
> >>>>     add_namespace($S0, $P0)
> >>>
> >>>>     add_var($S0, $P0)
> >>>
> >>> Which HLLs would use these interfaces?
> >>
> >> Maybe I'm missing the point, but I see these being used in the
> >> implementation of "import_into" as a way for the source HLL to tell
> >> the
> >> target HLL whether to treat each name as a sub, namespace, variable or
> >> method.
> >
> > Yes, that's correct.
>
> And it doesn't answer my question at all, sorry. Which HLLs are able to
> divide their symbols into above categories? Further: as this proposals
> deals with the managment of namespaces, a special typed interface for a
> 'namespace' symbol name seems not to be necessary, because if it
> weren't evident, where a namespace is used, we couldn't deal with
> namespaces at all.
>
> The current implementation disambiguates namespace names from symbol
> names by prepending a '\0' char to the former. Therefore it's always
> clear if a namespace or a 'variable' symbol is used.
>
> Remaining for me is the distiction between a variable and a function
> symbol:
>
> - python: no (all names are just names)
> - tcl: afaik no (all names are strings)
> - perl5: sometimes (via sigil, but $ref_tosub)
> - perl6: maybe (sigil is part of the symbol name, but $ref)
> - ???

LISP - yes

Matt
--
"Computer Science is merely the post-Turing Decline of Formal Systems Theory."
-Stan Kelly-Bootle, The Devil's DP Dictionary

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