[Vm-dev] NativeBoost installation woes with Mac OS X

[Igor Stasenko]

On 2 October 2011 19:35, Nicolas Cellier
<nicolas.cellier.aka.nice at gmail.com> wrote:
>
> 2011/10/1 Igor Stasenko <siguctua at gmail.com>:
>>
>> On 1 October 2011 02:24, Henrik Sperre Johansen
>> <henrik.s.johansen at veloxit.no> wrote:
>>>
>>> On 30.09.2011 18:20, Igor Stasenko wrote:
>>>>
>>>> On 30 September 2011 18:11, David T. Lewis<lewis at mail.msen.com>  wrote:
>>>>>
>>>>> On Fri, Sep 30, 2011 at 04:36:43PM +0200, Igor Stasenko wrote:
>>>>>>
>>>>>> On 30 September 2011 11:42, Lawson English<lenglish5 at cox.net>  wrote:
>>>>>>>
>>>>>>> Hi. On an Intel Mac running Mac OS X 10.6.8, I followed the
>>>>>>> instructions to
>>>>>>> install a NativeBoost VM found here:
>>>>>>> http://code.google.com/p/nativeboost/wiki/Installation. I downloaded
>>>>>>> the
>>>>>>> latest Mac NBCog VM, ??and ran into an error after evaluating
>>>>>>> NBInstaller
>>>>>>> install.
>>>>>>>
>>>>>>> I'm using the 4.3alpha-11636.image file. The 4.2 image gives a
>>>>>>> different set
>>>>>>> of errors but also wont install:
>>>>>>>
>>>>>>> The progress bar window says: Compiling
>>>>>>> NativeBoost-Core-IgorStasenko.36
>>>>>>>
>>>>>>>
>>>>>>> The window title is "Syntax error" with a split text field. The top
>>>>>>> field
>>>>>>> contains:
>>>>>>> nbExternalStructure Fields parsing spec parseFields:byte
>>>>>>>
>>>>>>>
>>>>>>> The bottom field has a red error message embedded in this line:
>>>>>>>
>>>>>>> ?? ?? ?? ??stream peek == #Invalid literal character ->; ifTrue: [
>>>>>>> stream next
>>>>>>> ].
>>>>>>> ?? ??].
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Help?
>>>>>>>
>>>>>> I didn't tested an installation in squeak 4.2 images.
>>>>>> It looks like there is a change in parser which don't likes the
>>>>>> following syntax:
>>>>>>
>>>>>> #( a; b ; c)
>>>>>>
>>>>>>
>>>>>> imo, this is correct syntax. a ';' should be converted to #; symbol.
>>>>>>
>>>>> Squeak 3.6:
>>>>> #( a; b ; c) ==>  #(#a #; #b #; #c)
>>>>>
>>>>> Squeak 3.8:
>>>>> #( a; b ; c) ==>  #(#a #; #b #; #c)
>>>>>
>>>>> Squeak trunk:
>>>>> #( a; b ; c) ==>  #(#a #';' #b #';' #c)
>>>>>
>>>>> PharoCore-1.3-13173:
>>>>> #( a; b ; c) ==>  #(#a #';' #b #';' #c)
>>>>>
>>>>> Dave
>>>>>
>>>> ok, then problem is in something else.
>>>> Lawson, could you please paste the full method source with problematic
>>>> code?
>>>>
>>>
>>> #; inspect -> Syntax error though...
>>>
>>> ps.
>>> stream peek == #;
>>>
>>> sure it's not a typo and should be
>>> stream peek == $;  ?
>>>
>> yes its not a typo. Since it is a stream from given array:
>>
>> #( a ; b ; c ; ) readStream
>>
>> stream peek at some moment could answer #; symbol.
>>
>> perhaps i should write it like #';' ?
>> but why it considered invalid?
>>
>
> Ah, all these behaviours were removed from Squeak
> #; -> #';'
> #1 -> 1
> #$1 -> $1
> The rationale was:
> 1) These were not defined in st80, nor in any formal Smalltalk syntax.
> # was only for literal symbols or literal arrays.
> 2) #';' 1 and $1 already are literals, so we don't need any other
> syntax or additional decoration.
> 3) This is not portable, no other dialect would accept it.
> 4) And there were plenty of oddities with doubled # or spaces inserted
> in between...
>
> Now, Igor you seem to suggest that these extensions would be logical
> given how the inside of literal array is interpreted, is that it?
>

No, i'm not suggesting that. :)

But as you noted, i agree that if array literals treating ';' inside
as a #; literal, then it would be more consistent to allow #; syntax
as well.

Anyways, it is easy to change the method to be correct even for more
strict syntax rules.


-- 
Best regards,
Igor Stasenko.