[Haskell-cafe] Enumerating functions at runtime

[Alp Mestanogullari]

More details about interface files can be found at
http://hackage.haskell.org/trac/ghc/wiki/Commentary/Compiler/IfaceFiles --
in particular the 'ghc --show-iface' part should be of great interest to
you.


On Sun, Mar 24, 2013 at 12:22 PM, Don Stewart <dons00 at gmail.com> wrote:

> All the info is in the .hi files
>
>
> On Sunday, 24 March 2013, Brent Yorgey wrote:
>
>> On Sat, Mar 23, 2013 at 08:26:52PM -0700, Luke Evans wrote:
>> > I'm curious about using Haskell for metaprogramming.
>> >
>> > It looks like I can dynamically compile, load and run some Haskell with
>> the plugins package.  Actually I've briefly tried this and it seems to work
>> for some simple cases at least.
>> > Now I would like to be able to enumerate precompiled public functions
>> in modules that I might use as building blocks in such dynamic compilation.
>>  So far I'm not seeing anything that does this directly.
>> > Can anyone provide some pointers?
>> >
>> > If it's just not possible to introspect on compiled modules, then I
>> suppose I could use external metadata of my own, or even perhaps haddock
>> info if it exists, to attempt to generate this info.  Clearly though,
>> that's nowhere near as good as extracting the info from something the
>> compiler built directly.
>>
>> I have no idea how it works, but I'm pretty sure yi does this ---
>> e.g. if you hit M-x (when in emacs emulation mode) and then
>> tab-complete, you see a list of all the available functions.  Maybe
>> you want to take a look at the yi source code and see how they do it.
>>
>> -Brent
>>
>> _______________________________________________
>> Haskell-Cafe mailing list
>> Haskell-Cafe at haskell.org
>> http://www.haskell.org/mailman/listinfo/haskell-cafe
>>
>
> _______________________________________________
> Haskell-Cafe mailing list
> Haskell-Cafe at haskell.org
> http://www.haskell.org/mailman/listinfo/haskell-cafe
>
>


-- 
Alp Mestanogullari
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.haskell.org/pipermail/haskell-cafe/attachments/20130326/d1ffa688/attachment.htm>