Hi Pierre, et al.

I was able to resolve the problem with the Prettify code by changing ' to " in the code for default_options.

I have no idea why this should matter. AFAIR Scilab accepts both (just not mixed anymore - and there's no mix-up in the code). Just to prevent confusion, here's the code change which works for me (at the moment, again, we'll see tomorrow if the fix continues to work):

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);
// 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)


Best regards,
Claus

On 07-09-2017 22:20, Pierre Vuillemin wrote:

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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