[Haskell-cafe] Haskell interface file (.hi) format?

[Rob Hoelz]

Claus Reinke <claus.reinke at talk21.com> wrote:

> > Does anyone know if/where I can find a specification for the .hi
> > files generated by GHC?  I ask because I want to write an
> > omni-completion plugin for Vim to make Haskell hacking a bit nicer.
> 
> you might find it easier to use GHCi's :browse command
> 
>     $ ghc -e ':browse Control.Concurrent.MVar'
>     modifyMVar :: MVar a -> (a -> IO (a, b)) -> IO b
>     modifyMVar_ :: MVar a -> (a -> IO a) -> IO ()
>     readMVar :: MVar a -> IO a
>     swapMVar :: MVar a -> a -> IO a
>     withMVar :: MVar a -> (a -> IO b) -> IO b
>     data MVar a = GHC.IOBase.MVar (GHC.Prim.MVar# GHC.Prim.RealWorld
> a) addMVarFinalizer :: MVar a -> IO () -> IO ()
>     isEmptyMVar :: MVar a -> IO Bool
>     newEmptyMVar :: IO (MVar a)
>     newMVar :: a -> IO (MVar a)
>     putMVar :: MVar a -> a -> IO ()
>     takeMVar :: MVar a -> IO a
>     tryPutMVar :: MVar a -> a -> IO Bool
>     tryTakeMVar :: MVar a -> IO (Maybe a)
> 
> that is what the haskell mode plugins for vim use, for one
> of their completion modes, anyway;-)
> 
> http://www.cs.kent.ac.uk/~cr3/toolbox/haskell/Vim/
> 
> (actually, that completion is wrt to imported identifiers,
> so we simply do a ':browse *<current_module>'; another 
> completion mode is based on haddock indices, and then 
> there are the standard occurs-in-imported-source-files 
> and occurs-in-tags-file completions)
> 
> claus
> 

Wow!  Thanks for saving me a ton of work, everyone!