Your message dated Fri, 03 Jun 2011 00:09:43 +0200
with message-id <1307052583.26269.18.camel@kirk>
and subject line Works now
has caused the Debian Bug report #354426,
regarding haddock: Doesn't parse (all) ghc6 liberalized deriving clauses.
to be marked as done.
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--
354426: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=354426
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: haddock
Version: 0.7-1
Severity: normal
Trying to generate documentation from some files containing GHC
extensions generates a parse error. The culprit seems to be the
ability to derive from arbitrary classes -- haddock swallows this
just fine for unary classes but panics if the class being derived
has more arguments. I've attached a trivial example.
Daniel
-- System Information:
Debian Release: testing/unstable
APT prefers unstable
APT policy: (500, 'unstable'), (1, 'experimental'), (1, 'unstable')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.15-1-686
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Versions of packages haddock depends on:
ii libc6 2.3.6-2 GNU C Library: Shared libraries an
ii libgmp3c2 4.1.4-11 Multiprecision arithmetic library
haddock recommends no packages.
-- no debconf information
module Foo where
class Foo z f | f -> z where
foo :: f -> f -> z
newtype (Foo z f) => Bar z f = Bar f
deriving(Foo z)
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--- End Message ---
--- Begin Message ---
Version: 7.0.3-1
Hi Daniel,
if I add enough language pragmas to your example to actually compile:
{-# LANGUAGE MultiParamTypeClasses, FunctionalDependencies,
GeneralizedNewtypeDeriving #-}
then haddock generates HTML for this example just fine.
Thanks for the report,
Joachim
--
Joachim "nomeata" Breitner
Debian Developer
[email protected] | ICQ# 74513189 | GPG-Keyid: 4743206C
JID: [email protected] | http://people.debian.org/~nomeata
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