[Gambas-user] why this could not be? error in runtime?
PICCORO McKAY Lenz
mckaygerhard at ...626...
Sat Jul 29 06:52:56 CEST 2017
i not at the depot, and in my work i have gambas 3.1 (wheeze/squeeze), the
"rare" behaviour are at the depot of my work with gambas 3.9
but as adrien said: works in playgroud and works at my home in gambas 3.1,
in few hours i go to the depot and paste the code..
Lenz McKAY Gerardo (PICCORO)
http://qgqlochekone.blogspot.com
2017-07-29 0:15 GMT-04:00 Tony Morehen <tmorehen at ...3602...>:
> Sorry about that,
>
> What strings are you using? What output do you want? For example:
> fn("(foo)") do you want "(foo)" or "(foo" yours returns "(foo"
> fn("(foo)x") do you want "(foo)" or "(foo" yours returns "(foo"
> fn("(foo)xx") do you want "(foo)" or "(foo" or "(foo)x" yours returns
> "(foo)x"
> fn("(foo)xxx") do you want "(foo)" or "(foo" or "(foo)x" or "(foo)xx"
> yours returns "(foo)xx"
>
> Let's get the algorithm right. Then worry about bugs.
>
> On 2017-07-28 11:53 PM, PICCORO McKAY Lenz wrote:
>
>> HEY TONY; ITS PICCORO; NOT PICARO! GRRRRR
>>
>> in the playground wprks perfectly, i not have 3.10, but in the job i have
>> 3.1 and at my home 3.5
>> its a bug in 3.9 and 3.8, *with 3.1 works perfectly in debian squeeze
>> (very
>> older but better)*
>>
>>
>> 2017-07-28 21:02 GMT-04:00 Adrien Prokopowicz <
>> adrien.prokopowicz at ...626...>
>> :
>>
>> Actually, his original code is correct. For me it runs without error in
>>> the IDE using
>>> the 3.10 development version, but the editor is indeed having trouble
>>> matching the
>>> parentheses.
>>>
>>> me too, the edtor has some problems, when the ide made a word wrap, and i
>> have thesame behaviour, parentheses does not matching correctly..
>>
>>
>> I also tried it on the playground (which also uses 3.10) and it works
>>> fine : https://gambas-playground.proko.eu/?gist=97ed16795393aa3b689
>>> 13025e5d2b83c .
>>>
>>> tested, me too..
>>
>>
>> However the playground's editor does match the parentheses correctly. :)
>>>
>>> jajaja excelent work!
>>
>>
>> Which Gambas version are you using ? There may be an old bug here.
>>>
>>> 3.9.1 with some git patches..
>>
>> in the job i have 3.1 and at my home 3.5
>>
>> its a bug in 3.9 and 3.8, with 3.1 works perfectly in debian squeeze (very
>> older but better)
>>
>>
>>
>> Lenz McKAY Gerardo (PICCORO)
>> http://qgqlochekone.blogspot.com
>>
>> 2017-07-28 23:46 GMT-04:00 Tony Morehen <tmorehen at ...3602...>:
>>
>> It's difficult to say for sure what's happening without Piccaro's test
>>> strings. However, 2 things do come to mind.
>>>
>>> First, according to Gambas doc, InStr(strinchar, ")", -n) does a left to
>>> right search for ")", starting at -n characters from the end of
>>> strinchar. So if Instr doesn't find ")", it will return 0, which, in
>>> conjunction with the second -1, will cause mid to drop the last character
>>> of strinchar. So to get the answer you want, use RInstr(strinchar,")").
>>> which will do a right to left search for ")", starting at the end of
>>> strinchar.
>>>
>>> Second, there may be a bug in gambas, or the documentation needs to make
>>> clear what end of string means. This is best explained by example:
>>>
>>> Instr("(foo)",")",-1) returns 5
>>> Instr("(foo)f",")",-1) returns 5
>>> Instr("(foo)ff",")",-1) returns 0
>>>
>>> This means that Instr(s1,s2,-1) begins its search one character before
>>> the
>>> last character of the string. So end of string actually means last
>>> character of the string and the docs should make that explicit or there
>>> is
>>> a bug if the intended meaning of end of string is the position after the
>>> last character of the string.
>>>
>>>
>>>
>>> On 2017-07-28 09:31 PM, Fernando Cabral wrote:
>>>
>>> Piccoro, sorry for my previous information. Something was missing.
>>>> In fact, both versions work the same:
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> * strinchar = "test )after)r" positionlen = (InStr(strinchar, ")",
>>>> -1)
>>>> - 1) Print strinchar Print positionlen strinchar =
>>>> Mid(strinchar,
>>>> 1, positionlen) Print strinchar strinchar = "test )after)r"
>>>> strinchar = Mid(strinchar, 1, (InStr(strinchar, ")", -1) - 1)) Print
>>>> strinchar *
>>>> Both print "test )after"
>>>>
>>>> - fernando
>>>>
>>>> 2017-07-28 22:02 GMT-03:00 Adrien Prokopowicz <
>>>> adrien.prokopowicz at ...626...>
>>>> :
>>>>
>>>> Le Sat, 29 Jul 2017 02:40:44 +0200, Jussi Lahtinen <
>>>>
>>>>> jussi.lahtinen at ...626...> a écrit:
>>>>>
>>>>> No... again. My initial mail was correct. It should be:
>>>>>
>>>>> strinchar = Mid(strinchar, 1, (InStr(strinchar, ")", -1) - 1))
>>>>>>
>>>>>> But the IDE makes highlighting bug with the brackets.
>>>>>>
>>>>>>
>>>>>> Jussi
>>>>>>
>>>>>> On Sat, Jul 29, 2017 at 3:33 AM, Jussi Lahtinen <
>>>>>> jussi.lahtinen at ...626...
>>>>>> wrote:
>>>>>>
>>>>>> Hmmm... sorry, no mistake... I will look closer.
>>>>>>
>>>>>> Jussi
>>>>>>>
>>>>>>> On Sat, Jul 29, 2017 at 3:33 AM, Jussi Lahtinen <
>>>>>>> jussi.lahtinen at ...626...>
>>>>>>> wrote:
>>>>>>>
>>>>>>> Because the line makes no sense at all. Try to remove ")".
>>>>>>>
>>>>>>> Jussi
>>>>>>>>
>>>>>>>> On Fri, Jul 28, 2017 at 11:55 PM, PICCORO McKAY Lenz <
>>>>>>>> mckaygerhard at ...626...> wrote:
>>>>>>>>
>>>>>>>> in the following code:
>>>>>>>>
>>>>>>>> strinchar = Mid(strinchar, 1, InStr(strinchar, ")", -1) - 1)
>>>>>>>>>
>>>>>>>>> IDE said error invalid argument, but if i do:
>>>>>>>>>
>>>>>>>>> psotionlen = InStr(strinchar, ")", -1) - 1
>>>>>>>>> strinchar = Mid(strinchar, 1, psotionlen)
>>>>>>>>>
>>>>>>>>> works, why?
>>>>>>>>>
>>>>>>>>> i wnat to remove the last occurence of a char but bybass some
>>>>>>>>> possible
>>>>>>>>> spaces/chars at the end of string
>>>>>>>>>
>>>>>>>>> Lenz McKAY Gerardo (PICCORO)
>>>>>>>>> http://qgqlochekone.blogspot.com
>>>>>>>>>
>>>>>>>>> Actually, his original code is correct. For me it runs without
>>>>>>>>> error
>>>>>>>>>
>>>>>>>> in
>>>>> the IDE using
>>>>> the 3.10 development version, but the editor is indeed having trouble
>>>>> matching the
>>>>> parentheses.
>>>>>
>>>>> I also tried it on the playground (which also uses 3.10) and it works
>>>>> fine : https://gambas-playground.proko.eu/?gist=97ed16795393aa3b689
>>>>> 13025e5d2b83c .
>>>>>
>>>>> However the playground's editor does match the parentheses correctly.
>>>>> :)
>>>>>
>>>>> Which Gambas version are you using ? There may be an old bug here.
>>>>>
>>>>> --
>>>>> Adrien Prokopowicz
>>>>>
>>>>>
>>>>> ------------------------------------------------------------
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>>>>>
>>>>>
>>>>
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