GNU bug report logs - #4259
Cannot indent fortran continue statement in emacs 23

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From: help-debbugs <at> gnu.org (Emacs bug Tracking System)
To: Glenn Morris <rgm <at> gnu.org>
Subject: bug#4259: marked as done (Cannot indent fortran continue
 statement in emacs 23)
Date: Sun, 30 Aug 2009 01:45:04 +0000

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Your message dated Sat, 29 Aug 2009 21:40:33 -0400
with message-id <ja8wh23wq6.fsf <at> fencepost.gnu.org>
and subject line Re: Cannot indent fortran continue statement in emacs 23
has caused the Emacs bug report #4259,
regarding Cannot indent fortran continue statement in emacs 23
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

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-- 
4259: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=4259
Emacs Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Ushnish Basu <ubasu <at> cal.berkeley.edu>
To: "Michael D. Prange" <prange <at> erl.mit.edu>, Glenn Morris <rgm <at> gnu.org>
Subject: Cannot indent fortran continue statement in emacs 23
Date: Tue, 25 Aug 2009 12:09:30 -0700

Hello,

I believe I came across a bug in the latest version of the fortran mode 
in emacs 23. Currently I am using version 23.1.1, but I did not have 
this problem with 23.0.60 from CVS.

Please see the following sample code - I have arranged it as such only 
to illustrate the problem:

      subroutine first
      do 10 i=1,10
 10     continue
      end
      do 20 i=1,100
 20     continue


If I run fortran-indent-line on the first continue (label 10) it works 
fine. However, if I run it on the second one (label 20), I get the error:

fortran-check-end-prog-re: Lisp nesting exceeds 'max-lisp-eval-depth'

presumably because it is after the 'end'

If I increase max-lisp-eval-depth (and max-specpdl-size) to 10000, then 
I get the error

fortran-check-end-prog-re: Variable binding depth exceeds max-specpdl-size

Is this something that has been fixed in CVS?

I look forward to hearing back from you.

Thanks,

Ushnish

[Message part 3 (message/rfc822, inline)]

From: Glenn Morris <rgm <at> gnu.org>
To: 4259-done <at> debbugs.gnu.org
Subject: Re: Cannot indent fortran continue statement in emacs 23
Date: Sat, 29 Aug 2009 21:40:33 -0400

I believe this is fixed in the current CVS trunk. It would be great if
you are able to test it out.

2009-08-30  Glenn Morris  <rgm at gnu.org>

  * progmodes/fortran.el (fortran-start-prog-re): New constant, extracted
  from fortran-current-defun.
  (fortran-beginning-of-subprogram): Be more precise about finding the
  start, to avoid an infinite loop in end-of-defun.  (Bug#4259)
  (fortran-end-of-subprogram): Simplify.
  (fortran-current-defun): Use fortran-start-prog-re.

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