Re: Split a string and characters

Thank you very much Bernd,

Food for thought

Paul

Le 2022-12-08 23:42, Bernd Paysan a écrit :

> Am Montag, 5. Dezember 2022, 10:37:17 CET schrieb 
> paul.ortais-WGBUbHxT2D9Wk0Htik3J/[email protected]:
> 
>> Dear all,
>> 
>> Sadly enough for Hendursaga's request, FORTH already does this with 
>> the
>> interpreter, and IMO should have done it, for decades, with an open,
>> clear generic state machine that reacts to incoming characters in case
>> it is treating an incoming file, so that any user has the ability to
>> patch and arrange it for its own purpose, in the FOTH spririt.
>> 
>> For obscure reasons this was never done, and kept bundled in the 
>> sealed
>> set of words the interpreter/compiler uses, making the whole stuff the
>> grey box in a system claiming to be transparent. It makes it
>> unnecessarily complex to port FORTH to any new target. About the same
>> burden as missing the half-dozen words in a PC to plot a pixel in some
>> graphic pixel, the greatest lack in Forth.
>> 
>> To remain compliant with say, ANS, traditional inner loop words would
>> then be coded as pointers to the generic file parsing, FSM mode...
> 
> That is what the recognizer proposal is for. So yes, it was done, and 
> it is
> available in the development version of Gforth.
> 
> https://forth-standard.org/proposals/minimalistic-core-api-for-recognizers#reply-892
> 
> --
> Bernd Paysan
> "If you want it done right, you have to do it yourself"
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