[Haskell] ANNOUNCE: ghc-src version 0.2.0

[Duncan Coutts]

On Wed, 2005-08-24 at 10:14 +0100, Duncan Coutts wrote:
> On Wed, 2005-08-24 at 10:56 +0200, Lemmih wrote:
> > On 8/24/05, Krasimir Angelov <kr.angelov at gmail.com> wrote:
> > > 2005/8/24, John Meacham <john at repetae.net>:
> > > > ooh. neat. any chance it could be extended to preserve haddock comments
> > > > and attach them to the right places? I thought it would be really cool
> > > > if compilers could use the haddock documentation when printing out error
> > > > messages and be able to query documentation as well as type info from
> > > > inside the interpreter.
> > > >        John
> > > 
> > > I think that it could be more useful to preserve all comments. Haddock
> > > can filter out only the haddock style comments but there are tools
> > > that use another style of comments.
> > 
> > I can't really imagine what the AST would look like if it should
> > support comments in arbitrary places.
> 
> Haddock annoations cannot appear in arbitrary places.
> 
> They can be attached to the top level module, exported symbols, function
> defeinitions, function arguments, data types, data constructors (and
> possibly one or two things I've forgotten). So they can all be attached
> to sensible places in the AST.

Oh, wait. I misunderstood. Ignore me. :-)

Duncan