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

Abou Al Montacir abou.almontacir at sfr.fr
Mon Apr 3 22:27:54 UTC 2017

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
Writing 128 pages...Using built-in CSS fileCreating plus imageCreating minus
imageDone.Here there are no errors. Just goes fine to end.
Abou Al Montacir
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