Hi Jim,
I stumbled upon the bug below with sxml-match as included in Guile 1.9.
Do you have ideas on how to fix it? My guess is that is has to do with
‘...’ not being specified as a literal in the macros.
Thanks,
Ludo’.
--- Begin Message ---
URL:
<http://savannah.gnu.org/bugs/?31691>
Summary: Ellipsis not supported in nested `sxml-match' forms
[1.9.13]
Project: Guile
Submitted by: None
Submitted on: Thu 18 Nov 2010 09:10:36 AM UTC
Category: None
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
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Details:
This fails:
#v+
scheme@(guile-user)> (sxml-match '(foo (bar 1 2 3)) ((foo ,x ...) (sxml-match
(car x) ((bar ,y ...) y))))
While compiling expression:
ERROR: bad pattern syntax (symbol not allowed in this context)
Exception during displaying of error: misc-error
#v-
... whereas in non-nested position ellipsis obviously works:
#v+
scheme@(guile-user)> (define (match-bar x) (sxml-match x ((bar ,y ...) y)))
scheme@(guile-user)> (sxml-match '(foo (bar 1 2 3)) ((foo ,x ...) (sxml-match
(car x) (,(match-bar -> y) y))))
$1 = (1 2 3)
#v-
Has to do with `...' not specified as a literal in the `sxml-match' macros...
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