RE: [HACKERS] Postgres' lexer

Sorry, Tom, I saw the tgl initals, and assumed it was you, before realising
that there are a couple of people who could be identified by those initials.
tgl, please stand up ;-)

MikeA

>> -----Original Message-----
>> From: Ansley, Michael
>> Sent: Friday, August 20, 1999 12:37 PM
>> To: 'Leon'; hackers; 'Tom Lane'
>> Subject: RE: [HACKERS] Postgres' lexer
>>
>>
>> I figured it out. The first thing the code does is set the
>> state to xm (BEGIN (xm)). If you look in the comments at
>> the top, Tom Lane put these in to deal with numeric strings
>> with embedded minuses. Tom, can you give us a run-down of
>> what the problem was that required this stuff. Perhaps if
>> we can find another way around it, we can reduce the vltc's
>>
>> Thanks...
>>
>> MikeA
>>
>> >> -----Original Message-----
>> >> From: Leon [mailto:leon(at)udmnet(dot)ru]
>> >> Sent: Friday, August 20, 1999 11:36 AM
>> >> To: hackers
>> >> Subject: Re: [HACKERS] Postgres' lexer
>> >>
>> >>
>> >> Ansley, Michael wrote:
>> >> ...
>> >> > >> And what this stands for:
>> >> > >>
>> >> > >> {identifier}/{space}*-{number}
>> >> > An identifier followed by any number of spaces, and then a
>> >> minus, or a
>> >> > number. Again, double check this with a reference of
>> some sorts.
>> >>
>> >> Well, I studied flex manpage from top to bottom, and almost
>> >> everything
>> >> in Postgres's lexer makes sense. But these "followed by
>> spaces and a
>> >> queer minused number" do not. Can someone tell me what do these
>> >> minused single - digit numbers stand for?
>> >>
>> >> --
>> >> Leon.
>> >> ---------
>> >> "This may seem a bit weird, but that's okay, because it
>> is weird." -
>> >> Perl manpage.
>> >>
>> >>
>> >>
>> >> ************
>> >>
>>