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authorMatthias Benkard <code@mail.matthias.benkard.de>2007-09-17 23:29:58 +0200
committerMatthias Benkard <code@mail.matthias.benkard.de>2007-09-17 23:29:58 +0200
commitf98c79811e81eff07f967f28c108b76a4a7d1343 (patch)
tree9ad511a4309f00306e0f4bea95001c85578b0868 /Lisp/method-invocation.lisp
parent909b52ce5a0c7a9beca639b830f5f57380af64ff (diff)
INVOKE-WITH-CONVERSION: Support classes as message receivers.
darcs-hash:f27d973190d6ada1ef35ab041229d1c0b88ee11c
Diffstat (limited to 'Lisp/method-invocation.lisp')
-rw-r--r--Lisp/method-invocation.lisp34
1 files changed, 24 insertions, 10 deletions
diff --git a/Lisp/method-invocation.lisp b/Lisp/method-invocation.lisp
index 40d1d5d..bc6cc2d 100644
--- a/Lisp/method-invocation.lisp
+++ b/Lisp/method-invocation.lisp
@@ -266,22 +266,32 @@ Returns: *result* --- the return value of the method invocation.
((id objc-class exception selector)
(let ((*skip-retaining*
(or *skip-retaining*
- (constructor-name-p (selector-name selector)))))
- (make-instance return-type
- :pointer (cffi:mem-ref return-value-cell
- return-c-type))))
+ (constructor-name-p (selector-name selector))))
+ (pointer (cffi:mem-ref return-value-cell
+ return-c-type)))
+ (if (cffi:null-pointer-p pointer)
+ nil
+ (make-instance return-type
+ :pointer pointer))))
((:void) (values))
(otherwise (cffi:mem-ref return-value-cell
return-c-type)))))))))))
-(define-cached-function retrieve-method-signature-info (class selector)
+(define-cached-function retrieve-method-signature-info
+ (class selector &optional (instance-or-class :instance))
(cons (cffi:pointer-address (pointer-to class))
(cffi:pointer-address (pointer-to selector)))
- (let* ((signature (primitive-invoke class
- :instance-method-signature-for-selector
- 'id
- selector))
+ (let* ((signature
+ (if (eq instance-or-class :instance)
+ (primitive-invoke class
+ :instance-method-signature-for-selector
+ 'id
+ selector)
+ (primitive-invoke class
+ :method-signature-for-selector
+ 'id
+ selector)))
(argc (primitive-invoke signature 'number-of-arguments :unsigned-int))
(method-return-typestring (primitive-invoke signature
'method-return-type
@@ -388,7 +398,11 @@ Returns: *result* --- the return value of the method invocation.
method-return-type
method-arg-typestrings
method-arg-types)
- (retrieve-method-signature-info class selector)
+ (retrieve-method-signature-info class selector
+ (if (cffi:pointer-eq (pointer-to receiver)
+ (pointer-to class))
+ :class
+ :instance))
(assert (= argc (+ 2 (length args)))
(args)
"Wrong number of arguments (expected ~A, got ~A)."