summaryrefslogtreecommitdiff
path: root/module/ice-9/session.scm
diff options
context:
space:
mode:
Diffstat (limited to 'module/ice-9/session.scm')
-rw-r--r--module/ice-9/session.scm22
1 files changed, 15 insertions, 7 deletions
diff --git a/module/ice-9/session.scm b/module/ice-9/session.scm
index fbb03d254..ce1bcac7c 100644
--- a/module/ice-9/session.scm
+++ b/module/ice-9/session.scm
@@ -1,4 +1,5 @@
-;;;; Copyright (C) 1997, 2000, 2001, 2003, 2006, 2009, 2010, 2011 Free Software Foundation, Inc.
+;;;; Copyright (C) 1997, 2000, 2001, 2003, 2006, 2009, 2010, 2011,
+;;;; 2012 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
@@ -20,6 +21,7 @@
#:use-module (ice-9 documentation)
#:use-module (ice-9 regex)
#:use-module (ice-9 rdelim)
+ #:use-module (ice-9 match)
#:export (help
add-value-help-handler! remove-value-help-handler!
add-name-help-handler! remove-name-help-handler!
@@ -504,14 +506,20 @@ It is an image under the mapping EXTRACT."
if the information cannot be obtained.
The alist keys that are currently defined are `required', `optional',
-`keyword', and `rest'."
+`keyword', `allow-other-keys?', and `rest'."
(cond
((procedure-property proc 'arglist)
- => (lambda (arglist)
- `((required . ,(car arglist))
- (optional . ,(cadr arglist))
- (keyword . ,(caddr arglist))
- (rest . ,(car (cddddr arglist))))))
+ => (match-lambda
+ ((req opt keyword aok? rest)
+ `((required . ,(if (number? req)
+ (make-list req '_)
+ req))
+ (optional . ,(if (number? opt)
+ (make-list opt '_)
+ opt))
+ (keyword . ,keyword)
+ (allow-other-keys? . ,aok?)
+ (rest . ,rest)))))
((procedure-source proc)
=> cadr)
(((@ (system vm program) program?) proc)