Reading of 'strings'
Closed this issue · 6 comments
It seems that in BBN-Lisp double quotes (") served as a sort of escape character. For example, I think REALLY"," (from the script) is intended to be read as a single symbol |REALLY,|. That also explains the date header: (QUOTE 08/22/68" 1522:26") is just (QUOTE |08/22/68 1522:26|) and not some bizarre two-argument QUOTE.
Is it possible to hack the Common Lisp reader to accept such things?
I'm sure, but it'd be tricky. You'd have to setup a forward flag or something to capture the next atom to put them together. But at this point I don't think that we need to bother as the I/O is nearly perfect and it's running nearly clean code. Are the punctuation and terminators the only things still sticking out? They are similar to the quote problem, and I similarly wouldn't worry about them. (Oh, there's a couple of easy to fix calls in the main fn that we could easily no-op instead of my commenting them out. I'm not looking at the code, maybe you already did this.)
iTypos bi iPhone
On Nov 26, 2013, at 5:36 AM, pdewacht notifications@github.com wrote:
It seems that in BBN-Lisp double quotes (") served as a sort of escape character. For example, I think REALLY"," (from the script) is intended to be read as a single symbol |REALLY,|. That also explains the date header:
(QUOTE 08/22/68" 1522:26") is just (QUOTE |08/22/68 1522:26|) and not some bizarre two-argument QUOTE.Is it possible to hack the Common Lisp reader to accept such things?
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Yow! Lots of cool work, esp. on the defineq...and I love:
;; Also export Symbols named for CL symbols
;; Exports include e.g. BBN-LISP:CONS, and CL:DEFUN
;; but not CL:CONS.
. #.(loop for s being each external-symbol of :cl
collect (symbol-name s))))
!!
I don't get what the sds940-char-code is doing for you. It doesn't appear to be used anywhere (and it's a built in, at least in ccl)???
Jeff: sds940-char-code isn't used at the moment. I just spent some time trying to figure out what the numbers in the SETSEPR and SETBRK lines meant (they obviously couldn't be plain ASCII), and I wanted to document the result somewhere.
Are you sure it's a built-in on ccl? that would be very weird.
I think I learned the trick of exporting CL from PJB:) He uses it in his portable stepper.
Sorry; I meant NOT built in!
----- Original Message -----
Jeff: sds940-char-code isn't used at the moment. I just spent some time
trying to figure out what the numbers in the SETSEPR and SETBRK lines meant
(they obviously couldn't be plain ASCII), and I wanted to document the
result somewhere.Are you sure it's a built-in on ccl? that would be very weird.
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#5 (comment)