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authorJames LewisMoss <dres@debian.org>1999-12-06 19:32:57 -0500
committerBryan Newbold <bnewbold@robocracy.org>2017-02-20 00:05:28 -0800
commitc394920caedf3dac1981bb6b10eeb47fd6e4bb21 (patch)
treef21194653a3554f747dde3df908df993c48db5a0 /recobj.scm
parent926b1b647ac830660933a5e63eb52d4a2552e264 (diff)
parentbd9733926076885e3417b74de76e4c9c7bc56254 (diff)
downloadslib-c394920caedf3dac1981bb6b10eeb47fd6e4bb21.tar.gz
slib-c394920caedf3dac1981bb6b10eeb47fd6e4bb21.zip
Import Debian changes 2c7-1debian/2c7-1
slib (2c7-1) unstable; urgency=low * New upstream. * Add slibconfig back in. slib (2c6-2) unstable; urgency=low * Remove the slib$(VERSION).info file. Cut the diff back down to size. slib (2c6-1) unstable; urgency=low * New upstream. * Move docs to /usr/share. Up standards version. add /usr/doc symlink. Move info files. Remove undocumented link. slib (2c5-6) unstable; urgency=low * Lowercase two vars in yasyn.scm (Fixes bug #37222) slib (2c5-5) unstable; urgency=low * Fix it so string-index isn't defined (now there is a strsrch:string-index) (Fixes #38812) slib (2c5-4) unstable; urgency=low * Don't run slibconfig in postinst. (Fixes bug #38253, #37733, #37715, #37746, #37809, #37917, #38123, #38462) slib (2c5-3) unstable; urgency=low * Run slibconfig in postinst. It was commented out there, but I don't see any old bug reports on why it was commented out, so let's try again. :) (Fixes bug #37221) slib (2c5-2) unstable; urgency=low * Link mklibcat.scm to mklibcat. Fixes a problem with using slib with guile. slib (2c5-1) unstable; urgency=low * New upstream. slib (2c3-4) unstable; urgency=low * New maintainer.
Diffstat (limited to 'recobj.scm')
-rw-r--r--recobj.scm55
1 files changed, 55 insertions, 0 deletions
diff --git a/recobj.scm b/recobj.scm
new file mode 100644
index 0000000..36ab6d2
--- /dev/null
+++ b/recobj.scm
@@ -0,0 +1,55 @@
+;;; "recobj.scm" Records implemented as objects.
+;;;From: whumeniu@datap.ca (Wade Humeniuk)
+
+(require 'object)
+(require 'common-list-functions)
+
+(define record-type-name (make-generic-method))
+(define record-accessor (make-generic-method))
+(define record-modifier (make-generic-method))
+(define record? (make-generic-predicate))
+(define record-constructor (make-generic-method))
+
+(define (make-record-type type-name field-names)
+ (define self (make-object))
+
+ (make-method! self record-type-name
+ (lambda (self)
+ type-name))
+ (make-method! self record-accessor
+ (lambda (self field-name)
+ (let ((index (comlist:position field-name field-names)))
+ (if (not index)
+ (slib:error "record-accessor: invalid field-name argument."
+ field-name))
+ (lambda (obj)
+ (record-accessor obj index)))))
+
+ (make-method! self record-modifier
+ (lambda (self field-name)
+ (let ((index (comlist:position field-name field-names)))
+ (if (not index)
+ (slib:error "record-accessor: invalid field-name argument."
+ field-name))
+ (lambda (obj newval)
+ (record-modifier obj index newval)))))
+
+ (make-method! self record? (lambda (self) #t))
+
+ (make-method! self record-constructor
+ (lambda (class . field-values)
+ (let ((values (apply vector field-values)))
+ (define self (make-object))
+ (make-method! self record-accessor
+ (lambda (self index)
+ (vector-ref values index)))
+ (make-method! self record-modifier
+ (lambda (self index newval)
+ (vector-set! values index newval)))
+ (make-method! self record-type-name
+ (lambda (self) (record-type-name class)))
+ self)))
+ self)
+
+(provide 'record-object)
+(provide 'record) \ No newline at end of file