[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: New syntax: (: MODULE-NAME VARIABLE-NAME)
From: |
Marius Vollmer |
Subject: |
Re: New syntax: (: MODULE-NAME VARIABLE-NAME) |
Date: |
Sat, 15 Nov 2003 16:19:39 +0100 |
User-agent: |
Gnus/5.1002 (Gnus v5.10.2) Emacs/21.3 (gnu/linux) |
Neil Jerram <address@hidden> writes:
> OK. One other specification query: will `:' only work if the relevant
> binding is exported?
Yes, I think that's more disciplined. Here is the actual code:
;; The following macro allows one to write, for example,
;;
;; (: (ice-9 pretty-print) pretty-print)
;;
;; to refer directly to the pretty-print variable in module (ice-9
;; pretty-print). It works by looking up the variable and inserting
;; it directly into the code. This is understood by the evaluator.
;; Indeed, all references to global variables are memoized into such
;; variable objects.
(define-macro (: mod-name var-name)
(let ((var (module-variable (resolve-interface mod-name) var-name)))
(if (not var)
(error "no such public variable" (list ': mod-name var-name)))
var))
--
GPG: D5D4E405 - 2F9B BCCC 8527 692A 04E3 331E FAF8 226A D5D4 E405
- New syntax: (: MODULE-NAME VARIABLE-NAME), Marius Vollmer, 2003/11/13
- Re: New syntax: (: MODULE-NAME VARIABLE-NAME), Neil Jerram, 2003/11/13
- Re: New syntax: (: MODULE-NAME VARIABLE-NAME), Marius Vollmer, 2003/11/13
- Re: New syntax: (: MODULE-NAME VARIABLE-NAME), Neil Jerram, 2003/11/14
- Re: New syntax: (: MODULE-NAME VARIABLE-NAME),
Marius Vollmer <=
- Re: New syntax: (: MODULE-NAME VARIABLE-NAME), Neil Jerram, 2003/11/15
- Re: New syntax: (: MODULE-NAME VARIABLE-NAME), Marius Vollmer, 2003/11/16
- Re: New syntax: (: MODULE-NAME VARIABLE-NAME), Neil Jerram, 2003/11/16
- Re: New syntax: (: MODULE-NAME VARIABLE-NAME), Neil Jerram, 2003/11/16
- Re: New syntax: (: MODULE-NAME VARIABLE-NAME), Marius Vollmer, 2003/11/16
- Re: New syntax: (: MODULE-NAME VARIABLE-NAME), Neil Jerram, 2003/11/17
- Re: New syntax: (: MODULE-NAME VARIABLE-NAME), Marius Vollmer, 2003/11/17
- Re: New syntax: (: MODULE-NAME VARIABLE-NAME), Marius Vollmer, 2003/11/16
Re: New syntax: (: MODULE-NAME VARIABLE-NAME), Mikael Djurfeldt, 2003/11/14