comp.lang.lisp Google Group

Re: Not the name of a function

gneun...@comcast.net (George Neuner) — Fri, 20 Лис 2009 23:02:23 UT

On Fri, 20 Nov 2009 23:32:03 +0100, p...@informatimago.com (Pascal J.
Yes.
Such sophisticated analysis tool(s) are 2/3 of a compiler anyway - all
that's missing is code generation. While tool making might provide a
few jobs in a poor economy, I don't think it is the best use of
resources. I think it makes more sense that compilers - which have to

Re: Not the name of a function

p...@informatimago.com (Pascal J. Bourguignon) — Fri, 20 Лис 2009 22:32:03 UT

But this is not a valid conformant form (even if clisp accepts it).
S/USER[1]> (defstruct balloon (color))
BALLOON
S/CL-USER[2]> (let ((b (make-balloon)))
((setf balloon-color) :blue b))
; in: LAMBDA NIL
; ((SETF BALLOON-COLOR) :BLUE B)
;
; caught ERROR:
; illegal function call

Re: Not the name of a function

kkylh...@gmail.com (Kaz Kylheku) — Fri, 20 Лис 2009 22:20:16 UT

You have a point there. There is an ambiguity in the code, and the machine is
diagnosing it in a way which assumes that you are a Lisp expert.
Compound forms /can/ in fact be be function names. For instance
(defstruct balloon (color))
(let ((b (balloon)))
((setf balloon-color) :blue b))
So (setf balloon-color) is the compound name of a setter function.

Re: Symbol macros don't capture their lexical environments?

du...@franz.com (Duane Rettig) — Fri, 20 Лис 2009 21:35:08 UT

This was discussed at length a few years back. A group search turns
up this thread:
[link]
which seems to have come from this conversation:
[link]

Re: Not the name of a function

ar...@nospam.ufl.edu (Alberto Riva) — Fri, 20 Лис 2009 21:10:37 UT

But that's what it was telling you, it's just a matter of rearranging
the word order a little bit:
In other words: "The form (NOT (CONTAINED-IN-PATTERN-VAR ITEM BINDINGS))
is not the name of a function".
Alberto

Re: Symbol macros don't capture their lexical environments?

t...@freebits.de.invalid (Tobias C. Rittweiler) — Fri, 20 Лис 2009 20:16:48 UT

The issue
COMPILE-FILE-HANDLING-OF-TOP-L EVEL-FORMS
names VaxLisp in Current Practise as an example where that was the case,
and it also mentions controversy about the issue.
What I find most puzzling is that it additonally says that the
compilation environment inherits from the evaluation environment.

Re: what up w ads

guenth...@gmail.com (Günther Thomsen) — Fri, 20 Лис 2009 19:27:31 UT

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Re: Clozure and Clojure

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Re: Clozure and Clojure

t...@sevak.isi.edu (Thomas A. Russ) — Fri, 20 Лис 2009 18:13:41 UT

Well, neither.
They are separate efforts, but presumably both trace their names to the
notion of "closures" in Lisp.
Clozure, I'm fairly certain came first. It just used a simple "s->z"
transformation. Clojure comes up with a similar pronounciation by using
a "j", which also serves to indicate its connection with Java.

Re: Predicate for lexical bindings

rnospa...@flownet.com (Ron Garret) — Fri, 20 Лис 2009 18:47:54 UT

In article <_5adnZNkq6ndRJvW4p2d...@telen or.com>,
No, that is not true. The symbol is created when "x" is *read*.
That's kind of like saying "1+1=2 whether or not 1 exists or not."
It's true that (symbolp 'x) will always return T, but it is not true (or
at least badly misleading) that this is "whether X already existed or

Re: Symbol macros don't capture their lexical environments?

t...@freebits.de.invalid (Tobias C. Rittweiler) — Fri, 20 Лис 2009 18:46:45 UT

I tried to shed some light on another confusion that I didn't see other
people to address.
-T.

Re: Symbol macros don't capture their lexical environments?

rnospa...@flownet.com (Ron Garret) — Fri, 20 Лис 2009 18:42:26 UT

In article <87pr7dgjgf....@freebits.de>,
That's true, but it can be a side-effect of *trying* to make a point.
And your point would be...?
rg

Re: Predicate for lexical bindings

jpth...@online.no (John Thingstad) — Fri, 20 Лис 2009 18:13:34 UT

Looking at your comments I think the way it is written needs improving. I
do think I basically understand it though.
If read up a couple of post's for instance you would see that I am aware
that it is the reader that creates symbols and that defvar creates a
binding to that symbol. The symbol in turn get's assigned a binding to

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comp.lang.lisp Google Group

Re: Not the name of a function

Re: Not the name of a function

Re: Not the name of a function

Re: Symbol macros don't capture their lexical environments?

Re: Not the name of a function

Re: Symbol macros don't capture their lexical environments?

Re: what up w ads

Re: Clozure and Clojure

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Re: Clozure and Clojure

Re: Predicate for lexical bindings

Re: Symbol macros don't capture their lexical environments?

Re: Symbol macros don't capture their lexical environments?

Re: Predicate for lexical bindings

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