[Pkg-pascal-devel] Bug#858553: [Lazarusdev] Bug#858553: [lazarus-doc-1.6] Package lazarus-doc-1.6 is empty and does not ship documentation files

Mattias Gaertner nc-gaertnma at netcologne.de
Wed Apr 5 09:51:18 UTC 2017


Hi Abou,

The Lazarus fixes branch now runs the build_html.sh without errors
using fpdoc from FPC 3.0.0.
svn path:
http://svn.freepascal.org/svn/lazarus/branches/fixes_1_6

The following revisions are needed: 54527 54519 54518

Does that fix the bug?

Cheers,
Mattias



On Tue, 04 Apr 2017 00:27:54 +0200
Abou Al Montacir <abou.almontacir at sfr.fr> wrote:

> Hi Lazarus Developers List,
> 
> Can you please help on this issue?
> fpdoc fails when building Laazarus 1.6.2 documentation. This leads to a serious
> (RC) bug that may lead to remove Lazarus form next Debian release which will be
> really a pity.
> 
> On Sat, 2017-04-01 at 21:45 +0200, Paul Gevers wrote:
> > First shot at debugging from my side.
> > 
> > Because the error says:
> > Exception at 00000000004BDB6C: EDOMError:
> > EDOMError in DOMDocument.CreateElement.
> > 
> > I searched for "DOMDocument.CreateElement". Low and behold, I find
> > something interesting in fpcsrc/packages/fcl-xml/src/dom.pp:
> > 
> > function TDOMDocument.CreateElement(const tagName: DOMString): TDOMElement;
> > begin
> >   if not IsXmlName(tagName) then
> >     raise EDOMError.Create(INVALID_CHARACTER_ERR,
> > 'DOMDocument.CreateElement');
> >   TDOMNode(Result) := Alloc(TDOMElement);
> > 
> > Result.Create(Self);
> >   Result.FNSI.QName := FNames.FindOrAdd(DOMPChar(tagName), Length(tagName));
> >   Result.AttachDefaultAttrs;
> > end;
> > 
> > First idea that pops into my mind is: it looks like the source of
> > lazarus has characters that fp-docs can't convert. Apparently an error
> > is raised, but converted by fp-docs into exit code 0.
> > 
> > Interesting to note, is the delta between 2.4.6 and 3.0.0:
> > -  if not IsXmlName(tagName, FXMLVersion = xmlVersion11) then
> > +  if not IsXmlName(tagName) then
> > which was done in this commit:
> > http://svn.freepascal.org/cgi-bin/viewvc.cgi?view=revision&revision=20422
> > 
> > Sending now as I am about to stop for today, but summary as I currently
> > suspect the situation is:
> > 1) fp-doc fails to create error exit code during error
> > 2) lazarus may have xml files that need updating.
> > 
> > Probably the next time I spend time on this will be to bisect the
> > documentation creation to see which file(s) need fixing -> to
> > potentially solve issue 2 if that is indeed the issue.  
> It looks like the file extctrls.pp or the corresponding xml is not supported by
> the used version of fpdoc.
> ]$fpdoc --content=lcl.xct --package=lcl --descr=../../xml/lcl/lcl.xml --
> input='../../../lcl/extctrls.pp -Fi../../../lcl/include'  --format=html --
> descr=../../xml/lcl/extctrls.xmlFPDoc - Free Pascal Documentation ToolVersion
> 3.0.0 [2017/02/08](c) 2000 - 2003 Areca Systems GmbH / Sebastian Guenther, sg at fr
> eepascal.org(c) 2005 - 2012 various FPC contributors
> Writing 757 pages...Exception at 00000000004BDACC: EDOMError:EDOMError in
> DOMDocument.CreateElement.While with an other page this leads to:
> $fpdoc --content=lcl.xct --package=lcl --descr=../../xml/lcl/lcl.xml --
> input='../../../lcl/interfaces/gtk/gtkwsextctrls.pp -Fi../../../lcl/include'  
> --format=html --descr=../../xml/lcl/interfaces/gtk/gtkwsextctrls.xmlFPDoc - Free
> Pascal Documentation ToolVersion 3.0.0 [2017/02/08](c) 2000 - 2003 Areca Systems
> GmbH / Sebastian Guenther, sg at freepascal.org(c) 2005 - 2012 various FPC
> contributors
> Writing 128 pages...Using built-in CSS fileCreating plus imageCreating minus
> imageDone.Here there are no errors. Just goes fine to end.
> -- 
> Cheers,
> Abou Al Montacir



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