GNU bug report logs - #1593
ruby-mode: problems with font-lock

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Glenn Morris <rgm <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#1593: closed (ruby-mode: problems with font-lock)
Date: Tue, 04 Oct 2011 22:04:01 +0000

[Message part 1 (text/plain, inline)]

Your message dated Tue, 04 Oct 2011 18:01:44 -0400
with message-id <b7k48kbelz.fsf <at> fencepost.gnu.org>
and subject line Re: bug#1593: ruby-mode: problems with font-lock
has caused the debbugs.gnu.org bug report #1593,
regarding ruby-mode: problems with font-lock
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


-- 
1593: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=1593
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From: "Pietro Giorgianni" <giorgian <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: ruby-mode: problems with font-lock
Date: Tue, 16 Dec 2008 12:06:43 +0100

The syntax  %{#{'?'}} , while legal (it is equivalent to '?'), makes
all the following text appear in font-lock-string-face.

The same happens with %{#{"?"}} , and seems to rise from the ?" or ?'
part: if I put a space (or whatever) after the ? , things work.

Real life example (from the sources of rubyonrails):

self.class_eval %{
  def self.#{method_id}(*args)
    guard_protected_attributes = false

    if args[0].is_a?(Hash)
      guard_protected_attributes = true
      attributes = args[0].with_indifferent_access
      find_attributes = attributes.slice(*[:#{attribute_names.join(',:')}])
    else
      find_attributes = attributes =
construct_attributes_from_arguments([:#{attribute_names.join(',:')}],
args)
    end

    options = { :conditions => find_attributes }
    set_readonly_option!(options)

    record = find_initial(options)

     if record.nil?
      record = self.new { |r| r.send(:attributes=, attributes,
guard_protected_attributes) }
      #{'yield(record) if block_given?'}
      #{'record.save' if instantiator == :create}
      record
    else
      record
    end
  end
}, __FILE__, __LINE__


---

In GNU Emacs 22.3.1 (i386-mingw-nt5.1.2600)
 of 2008-09-06 on SOFT-MJASON
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4)'

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: ITA
  locale-coding-system: cp1252
  default-enable-multibyte-characters: t

Major mode: Ruby

Minor modes in effect:
  erc-log-mode: t
  erc-menu-mode: t
  erc-autojoin-mode: t
  erc-ring-mode: t
  erc-pcomplete-mode: t
  erc-track-mode: t
  erc-track-minor-mode: t
  erc-match-mode: t
  erc-button-mode: t
  erc-fill-mode: t
  erc-stamp-mode: t
  erc-netsplit-mode: t
  erc-highlight-nicknames-mode: t
  erc-irccontrols-mode: t
  erc-noncommands-mode: t
  erc-readonly-mode: t
  shell-dirtrack-mode: t
  recentf-mode: t
  display-time-mode: t
  encoded-kbd-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t

Recent input:
c e n s o r e d


Recent messages:
censored...
Loading emacsbug...done

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

From: Glenn Morris <rgm <at> gnu.org>
To: 1593-done <at> debbugs.gnu.org
Subject: Re: bug#1593: ruby-mode: problems with font-lock
Date: Tue, 04 Oct 2011 18:01:44 -0400

Vesion: 24.1

"Pietro Giorgianni" wrote:

> The syntax  %{#{'?'}} , while legal (it is equivalent to '?'), makes
> all the following text appear in font-lock-string-face.
>
> The same happens with %{#{"?"}} , and seems to rise from the ?" or ?'
> part: if I put a space (or whatever) after the ? , things work.

I see this in Emacs 23.3, but not in the current trunk, so it seems to
have been fixed.

The other stuff mentioned in your update seems to be the subject of
http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6286

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