[erlang-patches] [erlang-bugs] erlang.el indenter

Tomas Abrahamsson <>
Fri Jan 24 21:29:48 CET 2014


On Fri, Jan 24, 2014 at 5:52 PM, Tuncer Ayaz <> wrote:
> On Fri, Jan 24, 2014 at 5:49 PM, Tuncer Ayaz <> wrote:
> > On Fri, Jan 24, 2014 at 3:55 PM, Henrik Nord <> wrote:
> >> Ping?!
> >>
> >> Any update regarding this?
> >
> > Fredrik's patch introduced a regression, so should not be merged, but
>
> Sorry, that should have said Thomas (not Fredrik).

Hehe, that should have said Tomas (not Thomas) :)

Anyway, I agree this patch shouldn't be included. Thanks
for noticing. I do not have any improvement to it, and don't
think I will have for the near future . Best woul be to just
forget about the patch. Or even better would of course
if someone (Steve?) makes a better patch

BRs
Tomas

> > the bugs in the indenter are still there.
> >
> > Steve Vinoski also analyzed the issues a couple days ago, and he has
> > a more complete understanding of the Elisp code. Steve, can you
> > summarize what's broken?
> >
> >> On 2012-08-22 19:10, Tuncer Ayaz wrote:
> >>>
> >>> On Wed, Aug 22, 2012 at 12:14 PM, Fredrik wrote:
> >>>>
> >>>> Hello Tomas,
> >>>> We have included this patch in the 'pu' branch.
> >>>> Thank you for the contribution!
> >>>
> >>> A quick test revealed that erlang.el from 'pu' erroneously
> >>> re-indents the already correctly indented rebar:option_spec_list/0
> >>> and also rebar:commands/0. Can you reproduce the regression?
> >>>
> >>>> On 08/21/2012 11:00 PM, Tomas Abrahamsson wrote:
> >>>>>
> >>>>> On Mon, Aug 6, 2012 at 7:42 PM, Tuncer Ayaz wrote:
> >>>>>>
> >>>>>> There seems to be a bug in the indenter that mis-indents
> >>>>>> rebar.erl:commands/0, if it's indented as part of a larger region.
> >>>>>> The multi-line binary string seems to be the problem.
> >>>>>>
> >>>>>> rebar.erl:commands/0:
> >>>>>> https://github.com/basho/rebar/blob/491d52298e2/src/rebar.erl#L275-311
> >>>>>>
> >>>>>> It works correctly when indenting the function itself with C-c C-q.
> >>>>>
> >>>>> Hi,
> >>>>>
> >>>>> Here is a patch for indenting of multi-line strings, like the
> >>>>> one previously reported by Tuncer Ayaz.
> >>>>>
> >>>>> git fetch git://github.com/tomas-abrahamsson/otp.git
> >>>>> emacs-indent-multi-line-string
> >>>>>
> >>>>>
> >>>>>
> >>>>> https://github.com/tomas-abrahamsson/otp/compare/emacs-indent-multi-line-string
> >>>>>
> >>>>>
> >>>>> https://github.com/tomas-abrahamsson/otp/compare/emacs-indent-multi-line-string.patch
> >>>>>
> >>>>> Here's an illustration of what the patch does,
> >>>>> excerpt from the commit msg:
> >>>>>
> >>>>>       Previously, typing C-M-\ or M-x indent-region RET on the
> >>>>> following:
> >>>>>
> >>>>>           somefunction() ->
> >>>>>               S =<<"
> >>>>>           text1 somemore1
> >>>>>           text2 somemore2
> >>>>>           ">>,
> >>>>>               io:put_chars(S).
> >>>>>
> >>>>>       resulted in this (note the "text2" line):
> >>>>>
> >>>>>           somefunction() ->
> >>>>>               S =<<"
> >>>>>           text1 somemore1
> >>>>>                     text2 somemore2
> >>>>>           ">>,
> >>>>>               io:put_chars(S).
> >>>>>
> >>>>>       Now, the indentation inside the multi-line string is left
> >>>>> unchanged.
> >>>>>       This is in line with how the Emacs C and Lisp mode treats
> >>>>> multi-line
> >>>>>       strings when indenting regions.
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