[TxMt] Re: error messages - R-Bundle

[Berend Hasselman]

On 04-02-2012, at 18:16, Hans-Jörg Bibiko wrote:

> Hi,
> 
> maybe I found a fix for that issue (at least my test script now runs :) ):
> 
> The new R.tmbundle stuff I host at https://github.com/avian/r.tmbundle/
> thus here the code which should be tested.
> 
> Please replace everything in between
> 
> STDOUT.sync = true {... and ...} STDOUT.flush
> 
> in file tmR.rb by:
> 
> STDOUT.sync = false
> STDERR.sync = false
> 
> descriptors = [stdout, stderr]
> descriptors.each { |fd| fd.fcntl(Fcntl::F_SETFL, Fcntl::O_NONBLOCK) }
> until descriptors.empty?
>  select(descriptors).shift.each do |io|
>    begin
>      str = io.readline
>    rescue
>      descriptors.delete io
>      io.close
>      break
>    end
>    if str.nil? or str.empty?
>      descriptors.delete io
>      io.close
>    elsif io == stderr
>      # just in case
>      print hideStartMessageJS
>      print %{<span style="color: red">#{esc str}</span>}
>    elsif io == stdout
>      print hideStartMessageJS
>      str.each_line do |line|
>        # line counter for top level source
>        if line.include?("#{linecountermarker}")
>          linecounter += 1
>          line.sub!("#{linecountermarker}", '')
>        end
>        # check for a comment sign at the beginning of a line
>        if line.match(/>\s*#/)
>          print "<i><font color=blue>#{esc line.chomp}</font></i>\n"
>        # check for a comment within a line - regexp should be improved yet!
>        elsif m=line.match(/(.*?)(#[^"']*)$/)
>          print esc(m[1]).gsub(/^(>|\+)/,'<a class="prompt" href="txmt://open?line='+linecounter.to_s+'">\1</a>')
>          print "<i><font color=blue>#{esc(m[2]).chomp}</font></i>\n"
>        # check for error messages
>        elsif m=line.match(/(?i)^\s*(error|erreur|fehler|errore|erro)( |:)/)
>          where = (isSelection) ? " of selection" : ""
>          print "<span style='color: red'>#{esc str.gsub(%r{(?m).*?#{m[1]}},m[1]).chomp}<br /><i>RMate</i> stopped at <a href='txmt://open?line=#{linecounter}'>line #{linecounter-selectionlinestart}#{where}</a></span><br />".gsub(%r{source\("(.*?)"\)},'source("<a href="txmt://open?url=file://\1">\1</a>")')
>          print "<hr noshade width='300' size='2' align='left' color=lightgrey>"
>          break
>        # check for warnings
>        elsif line.match(/^\s*(Warning|Warning messages?|Message d.avis|Warnmeldung|Messaggio di avvertimento|Mensagem de aviso):/)
>          print "<span style='color: gray'>#{esc line}</span>"
>        # print line simply with hyperlinked prompt if given
>        elsif line.match(/_\x8./)
>          print "#{line.gsub(/_\x8(.)/,'<b>\1</b>')}"
>        else
>          print esc(line).gsub(/^[\x0-\x9]?(>|\+)/,'<a class="prompt" href="txmt://open?line='+linecounter.to_s+'">\1</a>')
>        end
>      end
>    end
>  end
> end
> 
> STDOUT.flush
> 
> Feedback is welcome :)


I have been running quite a lot of scripts to see what happens now.
No error messages have been issued by Ruby.

Thanks a lot  for finding a fix.

But to enlighten me/us: what was the cause?

Berend