[Haskell-cafe] ANNOUNCE: haskell-names-0.1

Michael Sloan mgsloan at gmail.com
Fri Jun 21 08:44:12 CEST 2013

Roman: Awesome!  I'm really glad that this is ready for use!

Andrew: I have a tool that's a step towards doing this.  Instead of using
haskell suite, it uses ghci via hint to query module exports, and then uses
TH to reify them.  This has the benefit of supporting everything that GHC
supports, whereas there are currently some cases that haskell-src-exts
can't parse.  There's also the issue of supporting declarations generated
by template haskell.

Here's an example of diffing some of its output:


The main reason I haven't released the tool is that I was intending to do
structural diffs / handle renaming, so it's somewhat unfinished.  However I
believe it's reasonably usable: instead, the output is just structured in a
way that's reasonably amenable to diffing.


On Thu, Jun 20, 2013 at 11:12 PM, Andrew Cowie <
andrew at operationaldynamics.com> wrote:

> On Thu, 2013-06-20 at 18:13 +0300, Roman Cheplyaka wrote:
> > Namely, it can do the following:
> >
> > *   for a module, compute its interface, i.e. the set of entities
> >     exported by the module, together with their original names.
> >
> > *   for each name in the module, figure out what it refers to — whether
> >     it's bound locally (say, by a where clause) or globally (and then
> >     give its origin).
> Is this a step toward being able to automatically derive an API version
> number [in the SO version sense of the word; ie, has a change happened
> requiring a version bump?]
> AfC
> Sydney
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