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Re: just curious:Equel

From James Kuyper <jameskuyper@verizon.net>
Newsgroups comp.lang.c
Subject Re: just curious:Equel
Date 2015-09-02 11:49 -0400
Organization Self
Message-ID <55E71A7F.1050901@verizon.net> (permalink)
References <6e312475-bd75-446d-88be-5dd86e6ef76c@googlegroups.com> <ms6v2h$7ao$1@dont-email.me> <87d1y0j22l.fsf@bsb.me.uk>

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On 09/02/2015 11:03 AM, Ben Bacarisse wrote:
> James Kuyper <jameskuyper@verizon.net> writes:
> 
>> On 09/02/2015 01:37 AM, G G wrote:
>>> i am currently reading Compilers, Principles, Techniques, and Tools. 
>>> in chapter one, the author(s) tells the reader that a database query 
>>> language exist in C, Equel.
>>>
>>> is Equel still there as a language extension in the current C compilers.
>>>
>>
>> A google search turned up a company name Equel which provides database
>> services, and a couple of dictionaries that provide the following
>> definition for Equel:
>>
>> "Embedded Quel. INGRES, Inc. Combines QUEL theories with C code."
>>
>> I suspect that you may have misinterpreted what the book was saying -
>> Equel is more likely to have a C-compatible library, rather than being
>> an extension to C itself.
> 
> It's more than a library.  There's a pre-processor that lets you embed
> Ingress queries into C code such they can reference C objects.  It's all
> a bit 1980s.  I don't think anyone thinks that's a good way to do things
> anymore.

That's pretty clumsy. It goes a long way toward explaining why I found
so little about it when I searched.

If that's the way it works, then I was wrong - the book was not being
unreasonable if it talked about the combination of the Equel
pre-processor and the C compiler as working together to effectively
implement an extended version of C.

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just curious:Equel G G <gdotone@gmail.com> - 2015-09-01 22:37 -0700
  Re: just curious:Equel James Kuyper <jameskuyper@verizon.net> - 2015-09-02 09:56 -0400
    Re: just curious:Equel Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-02 16:03 +0100
      Re: just curious:Equel "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-09-02 08:12 -0700
        Re: just curious:Equel gordonb.d8f7l@burditt.org (Gordon Burditt) - 2015-09-02 11:09 -0500
        Re: just curious:Equel Richard Heathfield <rjh@cpax.org.uk> - 2015-09-02 17:27 +0100
          Re: just curious:Equel "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-09-02 09:36 -0700
            Re: just curious:Equel Richard Heathfield <rjh@cpax.org.uk> - 2015-09-02 17:57 +0100
              Re: just curious:Equel August Karlstrom <fusionfile@gmail.com> - 2015-09-02 22:34 +0200
                Re: just curious:Equel Richard Heathfield <rjh@cpax.org.uk> - 2015-09-02 21:48 +0100
                Re: just curious:Equel August Karlstrom <fusionfile@gmail.com> - 2015-09-03 09:31 +0200
                Re: just curious:Equel Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-06 13:29 -0700
                Re: just curious:Equel James Kuyper <jameskuyper@verizon.net> - 2015-09-02 17:09 -0400
                Re: just curious:Equel Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-06 13:33 -0700
                Re: just curious:Equel Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-06 12:56 -0700
                Re: just curious:Equel August Karlstrom <fusionfile@gmail.com> - 2015-09-07 10:57 +0200
                Re: just curious:Equel Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-09-07 19:29 +0000
                Re: just curious:Equel James Kuyper <jameskuyper@verizon.net> - 2015-09-07 15:49 -0400
                Re: just curious:Equel Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-07 23:12 -0700
                Re: just curious:Equel August Karlstrom <fusionfile@gmail.com> - 2015-09-08 10:35 +0200
                Re: just curious:Equel Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-06 13:25 -0700
                Re: just curious:Equel Ike Naar <ike@iceland.freeshell.org> - 2015-09-07 09:14 +0000
          Re: just curious:Equel Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-06 15:44 -0700
            Re: just curious:Equel Keith Thompson <kst-u@mib.org> - 2015-09-06 17:27 -0700
              Re: just curious:Equel Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-08 10:49 -0700
      Re: just curious:Equel James Kuyper <jameskuyper@verizon.net> - 2015-09-02 11:49 -0400
        Re: just curious:Equel Jay Braun <lyngwyst@gmail.com> - 2015-09-02 13:02 -0700
          Re: just curious:Equel "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-09-02 13:08 -0700
            Re: just curious:Equel G G <gdotone@gmail.com> - 2015-09-02 16:10 -0700
  Re: just curious:Equel Bartc <bc@freeuk.com> - 2015-09-02 21:30 +0100
    Re: just curious:Equel "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-09-02 13:37 -0700
      Re: just curious:Equel Jay Braun <lyngwyst@gmail.com> - 2015-09-02 13:44 -0700
        Re: just curious:Equel "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-09-02 13:52 -0700
    Re: just curious:Equel G G <gdotone@gmail.com> - 2015-09-02 16:07 -0700
    Re: just curious:Equel Andreas Perstinger <andipersti@gmail.com> - 2015-09-03 08:49 +0000
      Re: just curious:Equel Bartc <bc@freeuk.com> - 2015-09-03 10:47 +0100
  Re: just curious:Equel G G <gdotone@gmail.com> - 2015-09-02 16:17 -0700

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