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authorBryan Newbold <bnewbold@robocracy.org>2017-02-20 00:05:29 -0800
committerBryan Newbold <bnewbold@robocracy.org>2017-02-20 00:05:29 -0800
commit8466d8cfa486fb30d1755c4261b781135083787b (patch)
treec8c12c67246f543c3cc4f64d1c07e003cb1d45ae /object.scm
parent87b82b5822ca54228cfa6df29be3ad9d4bc47d16 (diff)
downloadslib-8466d8cfa486fb30d1755c4261b781135083787b.tar.gz
slib-8466d8cfa486fb30d1755c4261b781135083787b.zip
Import Upstream version 3a1upstream/3a1
Diffstat (limited to 'object.scm')
-rw-r--r--object.scm18
1 files changed, 8 insertions, 10 deletions
diff --git a/object.scm b/object.scm
index 2055224..298baad 100644
--- a/object.scm
+++ b/object.scm
@@ -23,11 +23,11 @@
(if (object? obj)
((vector-ref obj 4))
(slib:error "Cannot get methods on non-object: " obj)))
-
+;@
(define (object? obj)
(and (vector? obj)
(eq? object:tag (vector-ref obj 0))))
-
+;@
(define (make-method! obj generic-method method)
(if (object? obj)
(if (procedure? method)
@@ -36,22 +36,22 @@
method)
(slib:error "Method must be a procedure: " method))
(slib:error "Cannot make method on non-object: " obj)))
-
+;@
(define (get-method obj generic-method)
(if (object? obj)
((vector-ref obj 1) generic-method)
(slib:error "Cannot get method on non-object: " obj)))
-
+;@
(define (unmake-method! obj generic-method)
(if (object? obj)
((vector-ref obj 3) generic-method)
(slib:error "Cannot unmake method on non-object: " obj)))
-
+;@
(define (make-predicate! obj generic-predicate)
(if (object? obj)
((vector-ref obj 2) generic-predicate (lambda (self) #t))
(slib:error "Cannot make predicate on non-object: " obj)))
-
+;@
(define (make-generic-method . exception-procedure)
(define generic-method
(lambda (obj . operands)
@@ -70,7 +70,7 @@
(lambda (obj . params)
(slib:error "Operation not supported: " obj))))
generic-method)
-
+;@
(define (make-generic-predicate)
(define generic-predicate
(lambda (obj)
@@ -80,7 +80,7 @@
#f)
#f)))
generic-predicate)
-
+;@
(define (make-object . ancestors)
(define method-list
(apply append (map (lambda (obj) (get-all-methods obj)) ancestors)))
@@ -95,5 +95,3 @@
(let ((method-def (assq generic-method method-list)))
(if method-def (cdr method-def) #f)))
(vector object:tag get-method make-method! unmake-method! all-methods))
-
-