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- From: bruce@ais.com (Bruce C. Wright)
- Newsgroups: vmsnet.misc
- Subject: Re: VMS listings kit (was Re: writing lexical functions)
- Message-ID: <1992Dec15.114750.5898@ais.com>
- Date: 15 Dec 92 11:47:50 GMT
- References: <Bz3KEC.Es2@wm.estec.esa.nl> <12DEC199200264446@spades.aces.com> <1992Dec14.085555.5895@ais.com> <1992Dec14.223000.964@cmkrnl.com>
- Organization: Applied Information Systems, Chapel Hill, NC
- Lines: 36
-
- In article <1992Dec14.223000.964@cmkrnl.com>, jeh@cmkrnl.com writes:
- > In article <1992Dec14.085555.5895@ais.com>, bruce@ais.com (Bruce C. Wright)
- > writes:
- >>> #Can anyone out there tell me if it is possible to write my own lexical
- >>> #functions, and how?
- >>> [...]
- >> 4. Get a copy of the source to DCL and hack it in
- >> yourself.
- >>
- >> This is an EXPEN$IVE solution and DEC keeps changing the exact
- >> requirements for doing this legally.
- >
- > I must protest. Listings for nearly all of VMS, plus all of the utilities
- > that ship with it, can be purchased on CD-ROM for about $2200, and the legal
- > requirements (you need to sign a source license agreement) haven't changed
- > since this offering was introduced many years ago.
- >
- > No, you don't get compilable source for this price. But you certainly get
- > enough information to help you add things to the system.
-
- But if you're changing something like DCL, to do something like add new
- lexical functions, I think you'll _need_ the compilable sources -- it's
- not like writing something that interfaces with some of the internals,
- you'll have to actually modify the sources and recompile the image. The
- listings are rather problematic for this purpose.
-
- They _are_ very useful however, and in many (most?) cases you don't
- really need compilable sources. It's a good point that the listings
- are not too outrageously priced and are fairly readily available, but
- if I'm not mistaken the actual source kit is not only expensive, but
- also subject to frequent policy changes by DEC. As you note there is
- a widespread misconception that the listings kit is also subject to the
- same policy changes, a typical case of DEC's right hand not knowing
- what the left hand is doing.
-
- Bruce C. Wright
-