[pet] Poll to identify actively used functionality in PET

[Bernd Kiefer]

Hi Xuchen,

i'll add a bullet point on the wishlist of

http://wiki.delph-in.net/moin/PetRoadMap

reading: Unique output separation for standard-io server mode

OK?

Bernd

On 06.07.2010 21:27, Xuchen Yao wrote:
> May I add a very small feature request that requires code change of only
> one line?
>
> I'm now running PET in "server" mode by sending input to PET's stdin and
> capturing output from PET's stderr. But the problem is that my code
> can't tell when it's the end of a parsing result from PET's stderr.
> Currently I modified the interactive() function from the CM branch of
> cheap.cpp by adding something at the end of a whole bunch of message,
> such as:
>
> fprintf(fstatus, "cheap is brutally patched\n");
> fflush(fstatus);
>
> Of course this isn't good at all. So is it possible to add a dumb
> control character instead? I suggest 0x25:
>
> 0x25 End of medium Intended as means of indicating on paper or magnetic
> tapes that the end of the usable portion of the tape had been reached.
>
> http://en.wikipedia.org/wiki/C0_and_C1_control_codes
>
> It's not used any more so won't break any other programs as
> Ctrl-C/Ctrl-D do.
>
> If this is supported, then any Java/Python program can run PET in a
> pseudo "server" mode. Thanks.
>
> Xuchen
>
> On 2010-7-6 19:17, Bernd Kiefer wrote:
>> This mail adresses all people using PET.
>>
>> We (the developers of PET) are planning major code changes that include
>> also the removal of unused or unsupported functionality. We ask for
>> your kind contribution to get a better picture of which of it is still
>> in use and maybe needs to be supported. If you still actively use one
>> of the following, please let us know.
>>
>> Input formats we'd like to discard:
>>
>> - pic / pic_counts
>> - yy_counts
>> - smaf
>> - fsr
>>
>> Diverse options and the functionality behind it (some of them maybe more
>> controversial):
>>
>> -default-les=traditional determine default les by posmapping for all
>> lexical gaps
>> -no-chart-man Old style chart manipulation aka chart
>> dependencies
>> -no-hyper Disable hyper-active parsing
>> -no-filter Disable automatically computed rule filter.
>> -key=n Selecting the method for determining the rule
>> argument that will be filled first
>> -lattice (allows combination restrictions specifying path numbers)
>> -server (yy -- Stephan?)
>>
>> The removal of the following functionality has already been agreed
>> upon by a lot of people, still, you may also give feedback to that:
>>
>> - MRS modes that are only supported using Lisp code from the LKB with
>> ECL Modes that will still be supported are: native MRX and simple MRS
>> Conversion to rmrs formats is planned to be supported by a standalone
>> binary
>> - FSPP input mode (requires ECL)
>>
>> Because these are the only modules that require the inclusion of ECL,
>> support for ECL in PET will also be removed.
>>
>> Please take the time for answering us because we don't want to
>> create unnecessary problems by removing important functionality.
>>
>> Best,
>> Bernd Kiefer
>>

-- 
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kiefer at dfki.de   +49-681/85775-5301 (phone)   +49-681/85775-5338 (fax)
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