[squeak-dev] Re: Can i has underscores? :)

Andreas Raab andreas.raab at gmx.de
Wed Apr 14 16:13:52 UTC 2010

On 4/14/2010 8:57 AM, Igor Stasenko wrote:
> On 14 April 2010 18:32, Andreas Raab<andreas.raab at gmx.de>  wrote:
>> No solution has been brought forward to address the
>> issue of how to deal with existing code that uses underscore assignment. As
>> long as nobody is offering a solution to this problem, I'm not willing to
>> give up underscore assignments. If you can't even load the code that's been
>> written for 4.0 into 4.1 something's *seriously* wrong with your priorities.
>> Not being able to load code *written for Squeak* into Squeak, hurts us a
>> *lot* more than not being able to load code into Squeak that wasn't written
>> for it.
> Look: loading code is an import procedure, and as any import, it could
> perform any number of conversion steps
> starting from source and ending with a ready-to-use material,
> including treating underscores as assignment or something else.

Yes "we could", "we might perhaps" or "we ought to consider". So where 
is that code you speak of? I have been asking for it during the ealier 
discussions. The only thing I got back was hand-waiving.

   - Andreas

> Let me repeat: this is about conversion from external source, not
> about internal representation of code in system.
> It is surprising for me, to see that people know for a long that
> things like .sources and .changes files are not real text files
> and should not be treated in such way. So, it was never a big problem
> in keeping a good and solid fence between squeak's internal world and
> rest of the world. And why its going to be a problem of keeping such a
> fence between old-time squeak and new one? This is a very same thing.
> It could be kept very simple by having two different procedures:
>   - import old code
>   - import new code
> or even keep a single import , which defaults to old syntax,
> but for each fileout from a new system, in all .st and .cs files add a
> one-liner:
> SourceCode usingUnderscoreForNames!
> A file-in tools then reset this flag before any file-in attempt:
> SourceCode resetUnderscoreSetting
> so, you can keep loading old code, as well as can load a new code
> without a problem.
> That's it. No preferences, no guessing about source file format
> whether it comes from ages or just 1 day old. Just an explicit
> statement.
>> Cheers,
>>   - Andreas

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