[Gambas-user] Bug in Highlight in Gambas 3.7.1

[willy at ...3474...]

On 2015-06-11 23:19, Benoît Minisini wrote:
>> 
>> Hi,
>> 
>> Gambas 3.7.1 IDE highlights just fine.
>> 
>> I have done some investigation and this is what I discovered.
>> 
>> 1. When application installed on a system with Gambas 3.7.1 IDE
>> installed all highlighting works.
>> 2. When application installed on a virgin system (so no Gambas 
>> installed
>> only PPA available in sources.list) the highlighting crashes.
>> 3. If, on the virgin system (mentioned in 2. and after having
>> application installed), I next install gambas3-gb-eval-highlight, the
>> highlighting does work
>> 4. The systems with Gambas 3.5.4 and 3.6.2 installed where the
>> application was tested, all happened to have Gambas IDE installed, so
>> that is why all worked there.
>> 
>> The misleading thing here is that when developing in IDE and no
>> component gb.eval.highlight selected in project properties, you can 
>> use
>> Highlight.C or whatever and there is no complain about a component
>> missing when compiling and running the app.
>> When for example you use args in code but forget to select gb.args in
>> properties, as soon as you compile or whant to run the app, the IDE
>> tells you that ist doesn't understand the args code.
>> 
>> So, eventually, when making a package of the project, there is no
>> dependency on gb.eval.highlight, and thus the application will fail on
>> systems without a full IDE installed.
>> 
>> So, when using gb.eval.highlight without it being selected in project
>> properties, IDE should complain.
>> Or maybe gb.qt4.ext should default depend on gb.eval.highlight?
>> 
>> Well, I solved the problem by checking gb.eval.highlight in the 
>> project
>> properties and next repackage the project. So, now I know and will
>> remember, but others might run into the same problem.
>> 
>> So, I feel something should be done to prevent mistakes like this from
>> happening. But, I leave that up to Benoît to figure out the best
>> solution (if any).
>> 
>> Willy (a.k.a. gbWilly)
>> 
> 
> Ha, ok. So everything occured as expected.
> 
> When using highlighting, the gb.qt4.ext component tries to load the
> gb.eval.highlight component automatically, and displays that error
> message if the component cannot be found. Which happens if the it has
> not been installed.
> 
> But I cannot make gb.qt4.ext depends on gb.eval.highlight, because the
> component is not mandatory if you don't use highlighting.
> 
> Except explaining that in the documentation, I don't see any technical
> solution...

Good enough for me.

gbWilly