[Scilab-users] Scilab 6 problem with "Prettify"

[Pierre Vuillemin]

Hi Claus,

You need to spot where the 'invalid buffer' message comes from. Adding 
'pause' statements throughout your script may help you (or is there a 
debugging step by step tool? I don't know). Or you may want to comment 
suspicious parts of your code until there is no more error....

Do you read data at some point? I would intuitively suspect such a 
message to be related to some data input/data reading operation but I 
may be mistaken.

Besides, I've encountered a similar behaviour where Scilab 6 seems to 
work during the first run of a script but then something goes wrong and 
nothing works quite right anymore (like error messages out of the place) 
until Scilab is restarted. At this point I find this version quite unstable.


Pierre


Le 07/09/2017 à 21:55, Claus Futtrup a écrit :
> Hi all
>
> The "Invalid buffer." message becomes even weirder. It is not in the 
> list of error messages:
> https://help.scilab.org/docs/6.0.0/en_US/error_table.html
>
> I guarantee it's not an error message I've made up myself. The entire 
> script does not contain the word "buffer" (or "buffer.") anywhere.
>
> /Claus
>
> On 07-09-2017 21:25, Samuel Gougeon wrote:
>> Hello Claus,
>> In Scilab, clear is deleterious. As a first hint, i would try 
>> commenting it before rerunning  the script.
>> Best regards
>> Samuel
>>
>> Le 06/09/2017 à 21:33, Claus Futtrup a écrit :
>>>
>>> Hi there
>>>
>>> I've started to use the prettify functions by Pierre Vuillemin. So 
>>> far so good in Scilab 5.5
>>>
>>> Now I've started to look into Scilab 6 (not least because graphics 
>>> is much faster), but I get a weird error.
>>>
>>> If I start Scilab, first time I execute the code, I get an "Invalid 
>>> buffer." message.
>>>
>>> Second time I execute the code then I get a bad message:
>>>
>>>
>>> --> exec('C:\Users\claus\Documents\Scilab54\z3mfit.sce', -1)
>>> at line    93 of executed file 
>>> C:\Users\claus\Documents\Scilab54\z3mfit.sce
>>>
>>>                             'labels_font_size'  ,  3,...
>>>                             ^^
>>> Error: syntax error, unexpected "'", expecting "," or )
>>>
>>>
>>> When I run my script, the first thing my code does - it clears all 
>>> variables, all graphics and clears console, so it's not "old" stuff 
>>> from previous run that is the problem. Or ???
>>>
>>> The "line 93" is part of the default options in Prettify, where it 
>>> says labels_font_size. It looks like this:
>>>
>>> default_options  =  struct('title_font_size'    ,   4,...
>>>                           'labels_font_size'   ,   3,...
>>>                           'thicks_font_size'   ,   2,...
>>>                           'num_format'         ,   '',...
>>>                           'leg_font_size'      ,   3,...
>>>                           'line_thickness'     ,   2,...
>>>                           'xstring_font_size'  ,   2)
>>>
>>> Can anyone spot, what is the problem?
>>>
>>> P.S. This part of the code is in a section that is controlled by an 
>>> if-statement, and even if I make sure the condition is false (so 
>>> that the Prettify code is not executed), Scilab still spits out this 
>>> error. It's really weird - and even weirder it doesn't get the error 
>>> the first time that the code is executed.
>>>
>>> P.S. My entire code is ca. 915 lines long + requires input data, so 
>>> I prefer not to attach it to a post here in the mailing list.
>>>
>>> Best regards,
>>>
>>> Claus
>>>
>>
>>
>>
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