Re: [Doxygen-users] Error in file XX.f90 line:3468, state 4

[Albert <alb...@gm...>]

Posting on forum as well.


On Tue, May 13, 2014 at 7:46 PM, Albert <alb...@gm...> wrote:

> Hi Fabian,
>
> I had a quick look.
> In version 1.8.7 placing as first line"
>  !
> i.e. a space followed by an exclamation mark solves the problem.
> In version 1.6.1 the file is still preprocessed but the error is gone and
> the file looks OK (but maybe in more complex situations problems do occur).
>
> Determination of free or fixed formatted code is not really possible there
> are always exceptions possible. In compilers this is often solved by means
> of the extension and a switch. In doxygen 1.8.7 the possibility exists to
> specify the type (free or fixed formatted) Fortran code by means of
> EXTENSION_MAPPING in the Doxyfile:
> # Doxygen selects the parser to use depending on the extension of the
> files it
> # parses. With this tag you can assign which parser to use for a given
> # extension. Doxygen has a built-in mapping, but you can override or
> extend it
> # using this tag. The format is ext=language, where ext is a file
> extension, and
> # language is one of the parsers supported by doxygen: IDL, Java,
> Javascript,
> # C#, C, C++, D, PHP, Objective-C, Python, Fortran (fixed format Fortran:
> # FortranFixed, free formatted Fortran: FortranFree, unknown formatted
> Fortran:
> # Fortran. In the later case the parser tries to guess whether the code is
> fixed
> # or free formatted code, this is the default for Fortran type files),
> VHDL. For
> # instance to make doxygen treat .inc files as Fortran files (default is
> PHP),
> # and .f files as C (default is Fortran), use: inc=Fortran f=C.
> #
> # Note For files without extension you can use no_extension as a
> placeholder.
> #
> # Note that for custom extensions you also need to set FILE_PATTERNS
> otherwise
> # the files are not read by doxygen.
>
> EXTENSION_MAPPING      =
>
>
>
> Albert
>
>
>
> On Tue, May 13, 2014 at 2:15 PM, Albert <alb...@gm...> wrote:
>
>> Hi Fabian,
>>
>> Very nice small example. I'll have a look in the evening.
>>
>> Albert
>>
>> (got message through both channels)
>>
>>
>> On Tue, May 13, 2014 at 1:42 PM, Fabian Nick <
>> fab...@sc...> wrote:
>>
>>> Hi Albert,
>>>
>>> unfortunately I cannot send you the source file. However I was able to
>>> boil it down to the one attached. For convenience, I also attached the
>>> config file I used (it's just the one generated by doxygen -g though...)
>>>
>>> Notice the leading blanks.
>>> The version attached does NOT work. However, if there are equally many
>>> leading blanks before "subroutine testsub" and "end subroutine" it works!
>>> Also, removing the module declarations helps as well.
>>>
>>> If you need more information, just let me know!
>>>
>>> Thanks,
>>> Fabian
>>>
>>> ----- Original Message -----
>>> > From: "Albert" <alb...@gm...>
>>> > To: "Fabian Nick" <fab...@sc...>
>>> > Cc: dox...@li...
>>> > Sent: Tuesday, 13 May, 2014 1:12:57 PM
>>> > Subject: Re: [Doxygen-users] Error in file XX.f90 line:3468, state 4
>>> >
>>> >
>>> >
>>> >
>>> >
>>> > Hi Fabian,
>>> >
>>> >
>>> > It is always hard to find these kind of errors. What I do is that I
>>> > reduce the file and see what happens (good old trial and error
>>> > removing half of the file etc.).
>>> >
>>> > Is it possible for you to post the file? (I could have a look in the
>>> > evening.
>>> >
>>> > Albert
>>> >
>>> >
>>> >
>>> >
>>> > On Tue, May 13, 2014 at 1:07 PM, Fabian Nick <
>>> > fab...@sc... > wrote:
>>> >
>>> >
>>> > Hi Albert,
>>> >
>>> > no the Prepassing line is not present. Just "preprocessing..." and
>>> > "parsing..."
>>> > I tried the extra line starting with "!" anyway, but it didn't help.
>>> >
>>> > Using 1.8.7 didn't help either, however the error is now reported in
>>> > line 3467 (as opposed to 3468 before).
>>> >
>>> > And yes, the file does compile properly.
>>> > Are there any constructs (like strings containing '!' in the source)
>>> > I could look out for?
>>> >
>>> > Regards,
>>> > Fabian
>>> >
>>> >
>>> >
>>> > ----- Original Message -----
>>> > > From: "Albert" < alb...@gm... >
>>> > > To: "Fabian Nick" < fab...@sc... >
>>> > > Cc: dox...@li...
>>> > > Sent: Tuesday, 13 May, 2014 12:55:10 PM
>>> > > Subject: Re: [Doxygen-users] Error in file XX.f90 line:3468, state
>>> > > 4
>>> > >
>>> > >
>>> > >
>>> > >
>>> > >
>>> > >
>>> > >
>>> > >
>>> > > Hi Fabian,
>>> > >
>>> > > The line number is the number where it saw a problem and in this
>>> > > case
>>> > > this is when the file has been completely parsed.
>>> > > The state 4 means an error with SubprogBody, so something not ended
>>> > > properly (I assume the file compiles properly).
>>> > >
>>> > > You are using version 1.6.1 and the current version is 1.8.7 so an
>>> > > upgrade would certainly help.
>>> > > During the run does it say something about prepassing XX.f90 ?
>>> > > so like:
>>> > > Reading .../XX.f90
>>> > > Prepassing fixed form of .../XX.f90
>>> > > Parsing file XX.f90
>>> > >
>>> > > The line
>>> > > Prepassing fixed form of .../XX.f90
>>> > > should not be present, if present try to place a ! as fist line in
>>> > > the XX.f90 file.
>>> > >
>>> > >
>>> > > Anyhow upgrading to 1.8.7 is a very good idea.
>>> > >
>>> > >
>>> > > Albert
>>> > >
>>> > >
>>> > >
>>> > >
>>> > >
>>> > >
>>> > >
>>> > > On Tue, May 13, 2014 at 11:46 AM, Fabian Nick <
>>> > > fab...@sc... > wrote:
>>> > >
>>> > >
>>> > > Hi everyone,
>>> > >
>>> > > when trying to run doxygen on a large (Fortran-)project, I get the
>>> > > "Error in file XX.f90 line:3468, state 4" error. The interesting
>>> > > thing is that the file only has 3466 lines...
>>> > > The file is in fixed format. Somewhere on the web it was said that
>>> > > enabling the C-preprocessor might help but it doesn't in my case. I
>>> > > also read that there was a bug which was fixed in version 1.5.6 (I
>>> > > think), however I'm using version 1.6.1.
>>> > >
>>> > > Any advice on what I could try?
>>> > >
>>> > > Regards,
>>> > > Fabian
>>> > >
>>> > >
>>> ------------------------------------------------------------------------------
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>>> >
>>> >
>>>
>>
>>
>