[Gambas-user] using try when access devices shadow the errors

Fri Aug 3 09:51:42 CEST 2018

Or maybe Benoît can add note part or discuss on wiki...

Le ven. 3 août 2018 09:46, Gianluigi <bagonergi at gmail.com> a écrit :

> +1 👍
> Maybe add here [0] a link to this thread [1]?
> Regards
> Gianluigi
> [0] http://gambaswiki.org/wiki/cat/error
> [1] https://lists.gambas-basic.org/pipermail/user/2018-August/065135.html
>
> 2018-08-03 7:31 GMT+02:00 Fabien Bodard <gambas.fr at gmail.com>:
>
>> Nevertheless ... great thread about error management 😊
>>
>> Thank you Tobias and others.
>>
>> Maybe a copy in a nota bene part of some explanation can be an help...
>>
>> Le jeu. 2 août 2018 21:14, PICCORO McKAY Lenz <mckaygerhard at gmail.com> a
>> écrit :
>>
>>> i'm glad tobias answer me!
>>>
>>> also noted after that, many others do it!
>>>
>>> but as noted without the second "unwarranted arrogance" mail.. maybe
>>> never will happened!
>>>
>>> Was it really necessary to send a second email with a warm tone so that
>>> they could answer me?
>>>
>>> We must all improve, not only I believe! AND i read carefully that
>>> second mail, it's not so "arrogance" as you pointed!
>>>
>>> be easy! men!
>>>
>>> Lenz McKAY Gerardo (PICCORO)
>>> http://qgqlochekone.blogspot.com
>>>
>>> 2018-08-02 14:57 GMT-04:00 Jussi Lahtinen <jussi.lahtinen at gmail.com>:
>>>
>>>> "The great silence" may just be due your completely unwarranted
>>>> arrogance towards others.
>>>>
>>>>
>>>> Jussi
>>>>
>>>> On Thu, Aug 2, 2018 at 9:12 PM, PICCORO McKAY Lenz <
>>>> mckaygerhard at gmail.com> wrote:
>>>>
>>>>> ah yeah, must be send to list, so then:
>>>>>
>>>>> > an exceptional product
>>>>>
>>>>> so it's a product or a hobby? we need a product i try to make a
>>>>> product from a product, i rmenber that someone said in old mail that
>>>>> does all of this for hobby.. well sorry someone here confusing this
>>>>> excelent peice of software with a product to make products!
>>>>>
>>>>> > Tobias never said Catch shadows the error
>>>>>
>>>>> i was my fault, i means that tobias said that try shadowns the error,
>>>>> seems you make same mistake like me, do not read the complete threath with
>>>>> caution...
>>>>>
>>>>> so i not critizing the wiki, but that are not pointed in wiki, i try
>>>>> to point that experts users will begin being novice users
>>>>>
>>>>> now mails have lot of examples, recomendations, expert people, puff,
>>>>> etc etc but in the begining a great silence was!
>>>>>
>>>>>
>>>>>
>>>>> Lenz McKAY Gerardo (PICCORO)
>>>>> http://qgqlochekone.blogspot.com
>>>>>
>>>>> 2018-08-02 13:50 GMT-04:00 Tony Morehen <tmorehen at ajm-software.com>:
>>>>>
>>>>>> The wiki/documentation is perfectly clear about Try, Catch, and
>>>>>> Finally.  Further, Tobias never said Catch shadows the error!
>>>>>>
>>>>>> Try shadows the error, not Catch.  Catch is an error handler.  It
>>>>>> behaves as an error handler should ie the error is handled, no need to
>>>>>> raise an exception.
>>>>>>
>>>>>> Here's the standard error process:
>>>>>>
>>>>>> 1) Fill in the Error object
>>>>>> 2) Raise an exception
>>>>>>
>>>>>> This is equivalent to On Error Goto 0
>>>>>>
>>>>>> Error process with a Try at the start of statement
>>>>>>
>>>>>> 1) Fill in Error object
>>>>>> 2) Resume at the statement following the Try
>>>>>>
>>>>>> This is equivalent to:
>>>>>>     On Error Resume Next
>>>>>>     statement
>>>>>>     On Error Goto 0
>>>>>>
>>>>>> Error process with a Catch block
>>>>>>
>>>>>> 1) Fill in the Error object
>>>>>> 2) Resume at the statement following the Catch
>>>>>>
>>>>>> This is equivalent to:
>>>>>>     On Error Goto Catch
>>>>>>     statements
>>>>>>     Return
>>>>>>    Catch
>>>>>>     error handling code
>>>>>>     Return
>>>>>>
>>>>>> Error Process with Catch and Finally blocks
>>>>>>
>>>>>> 1) Fill in the Error object
>>>>>> 2) Resume at the statement following the Catch
>>>>>> 3) Execute the Finally code.  Finally code is executed even if there
>>>>>> is no error.
>>>>>>
>>>>>> This is equivalent to:
>>>>>>     On Error Goto Catch
>>>>>>     statements
>>>>>>     Goto Finally
>>>>>>    Catch
>>>>>>     error handling code
>>>>>>     Goto Finally
>>>>>>    Finally
>>>>>>     code that is always executed
>>>>>>
>>>>>> A final word of caution  Criticizing the wiki as bluntly as you do,
>>>>>> particularly when that criticism is unwarranted, is likely to irritate the
>>>>>> people that provide us such an exceptional product.  Try framing this sort
>>>>>> of criticism as a question, such as "Do we need to add something to the
>>>>>> wiki to make this explicit and avoid confusing novices?"
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On 2018-08-02 12:04 PM, PICCORO McKAY Lenz wrote:
>>>>>>
>>>>>>> i cited that wiki does not say that error are shadowed by the catch!
>>>>>>> its very important information for novices, taking in consideratino the
>>>>>>> languaje barrier
>>>>>>>
>>>>>>> seems we need more vision here!
>>>>>>>
>>>>>>>
>>>>>>> Lenz McKAY Gerardo (PICCORO)
>>>>>>> http://qgqlochekone.blogspot.com
>>>>>>>
>>>>>>> 2018-08-02 11:56 GMT-04:00 Jussi Lahtinen <jussi.lahtinen at gmail.com
>>>>>>> <mailto:jussi.lahtinen at gmail.com>>:
>>>>>>>
>>>>>>>
>>>>>>>         well i comming from java and C and its common ofr us use
>>>>>>>         try/cacht as duple
>>>>>>>
>>>>>>>
>>>>>>>     Incorrect. There is no try/catch in C.
>>>>>>>
>>>>>>>
>>>>>>>     Jussi
>>>>>>>
>>>>>>>
>>>>>>>
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>>>>>>>
>>>>>>>
>>>>>>>
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>>>>>>>
>>>>>>
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>>>>>
>>>>>
>>>>>
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>>>>>
>>>>
>>>>
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>>>
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