(values nil
nil
(list value)
- (if sb!c:*converting-for-interpreter*
- `(%set-local-alien ',info ,alien ,value)
- `(if (%local-alien-forced-to-memory-p ',info)
- (%set-local-alien ',info ,alien ,value)
- (setf ,alien
- (deport ,value ',(local-alien-info-type info)))))
+ `(if (%local-alien-forced-to-memory-p ',info)
+ (%set-local-alien ',info ,alien ,value)
+ (setf ,alien
+ (deport ,value ',(local-alien-info-type info))))
whole)))
(defun %local-alien-forced-to-memory-p (info)
(optimize (inhibit-warnings 3)))
(if (or (alien-pointer-type-p target-type)
(alien-array-type-p target-type)
- (alien-function-type-p target-type))
+ (alien-fun-type-p target-type))
(let ((alien-type (alien-value-type alien)))
(if (or (alien-pointer-type-p alien-type)
(alien-array-type-p alien-type)
- (alien-function-type-p alien-type))
+ (alien-fun-type-p alien-type))
(naturalize (alien-value-sap alien) target-type)
(error "~S cannot be casted." alien)))
(error "cannot cast to alien type ~S" (unparse-alien-type target-type))))
(typecase type
(alien-pointer-type
(apply #'alien-funcall (deref alien) args))
- (alien-function-type
- (unless (= (length (alien-function-type-arg-types type))
+ (alien-fun-type
+ (unless (= (length (alien-fun-type-arg-types type))
(length args))
(error "wrong number of arguments for ~S~%expected ~D, got ~D"
type
- (length (alien-function-type-arg-types type))
+ (length (alien-fun-type-arg-types type))
(length args)))
- (let ((stub (alien-function-type-stub type)))
+ (let ((stub (alien-fun-type-stub type)))
(unless stub
(setf stub
(let ((fun (gensym))
`(lambda (,fun ,@parms)
(declare (type (alien ,type) ,fun))
(alien-funcall ,fun ,@parms)))))
- (setf (alien-function-type-stub type) stub))
+ (setf (alien-fun-type-stub type) stub))
(apply stub alien args)))
(t
(error "~S is not an alien function." alien)))))
-(defmacro def-alien-routine (name result-type &rest args &environment env)
+(defmacro def-alien-routine (name result-type &rest args &environment lexenv)
#!+sb-doc
- "Def-C-Routine Name Result-Type
- {(Arg-Name Arg-Type [Style])}*
+ "DEF-ALIEN-ROUTINE Name Result-Type {(Arg-Name Arg-Type [Style])}*
- Define a foreign interface function for the routine with the specified Name,
- which may be either a string, symbol or list of the form (string symbol).
- Return-Type is the Alien type for the function return value. VOID may be
- used to specify a function with no result.
+ Define a foreign interface function for the routine with the specified NAME.
+ Also automatically DECLAIM the FTYPE of the defined function.
- The remaining forms specifiy individual arguments that are passed to the
- routine. Arg-Name is a symbol that names the argument, primarily for
- documentation. Arg-Type is the C-Type of the argument. Style specifies the
- say that the argument is passed.
+ NAME may be either a string, a symbol, or a list of the form (string symbol).
+
+ RETURN-TYPE is the alien type for the function return value. VOID may be
+ used to specify a function with no result.
+
+ The remaining forms specify individual arguments that are passed to the
+ routine. ARG-NAME is a symbol that names the argument, primarily for
+ documentation. ARG-TYPE is the C type of the argument. STYLE specifies the
+ way that the argument is passed.
:IN
- An :In argument is simply passed by value. The value to be passed is
+ An :IN argument is simply passed by value. The value to be passed is
obtained from argument(s) to the interface function. No values are
returned for :In arguments. This is the default mode.
to arrays, records or functions.
:COPY
- Similar to :IN, except that the argument values are stored in on
- the stack, and a pointer to the object is passed instead of
- the values themselves.
+ This is similar to :IN, except that the argument values are stored
+ on the stack, and a pointer to the object is passed instead of
+ the value itself.
:IN-OUT
- A combination of :OUT and :COPY. A pointer to the argument is passed,
- with the object being initialized from the supplied argument and
- the return value being determined by accessing the object on return."
+ This is a combination of :OUT and :COPY. A pointer to the argument is
+ passed, with the object being initialized from the supplied argument
+ and the return value being determined by accessing the object on
+ return."
(multiple-value-bind (lisp-name alien-name)
(pick-lisp-and-alien-names name)
(collect ((docs) (lisp-args) (arg-types) (alien-vars)
(unless (eq style :out)
(lisp-args name))
(when (and (member style '(:out :in-out))
- (typep (parse-alien-type type env)
+ (typep (parse-alien-type type lexenv)
'alien-pointer-type))
(error "can't use :OUT or :IN-OUT on pointer-like type:~% ~S"
type))
(alien-args `(addr ,name))))
(when (or (eq style :out) (eq style :in-out))
(results name)))))
- `(defun ,lisp-name ,(lisp-args)
- ,@(docs)
- (with-alien
- ((,lisp-name (function ,result-type ,@(arg-types))
- :extern ,alien-name)
- ,@(alien-vars))
- ,(if (alien-values-type-p result-type)
- (let ((temps (make-gensym-list
- (length
- (alien-values-type-values result-type)))))
- `(multiple-value-bind ,temps
- (alien-funcall ,lisp-name ,@(alien-args))
- (values ,@temps ,@(results))))
- `(values (alien-funcall ,lisp-name ,@(alien-args))
- ,@(results))))))))
+ `(progn
+
+ ;; The theory behind this automatic DECLAIM is that (1) if
+ ;; you're calling C, static typing is what you're doing
+ ;; anyway, and (2) such a declamation can be (especially for
+ ;; alien values) both messy to do by hand and very important
+ ;; for performance of later code which uses the return value.
+ (declaim (ftype (function (mapcar (constantly t) ',args)
+ (alien ,result-type))
+ ,lisp-name))
+
+ (defun ,lisp-name ,(lisp-args)
+ ,@(docs)
+ (with-alien
+ ((,lisp-name (function ,result-type ,@(arg-types))
+ :extern ,alien-name)
+ ,@(alien-vars))
+ ,(if (alien-values-type-p result-type)
+ (let ((temps (make-gensym-list
+ (length
+ (alien-values-type-values result-type)))))
+ `(multiple-value-bind ,temps
+ (alien-funcall ,lisp-name ,@(alien-args))
+ (values ,@temps ,@(results))))
+ `(values (alien-funcall ,lisp-name ,@(alien-args))
+ ,@(results)))))))))
\f
(defun alien-typep (object type)
#!+sb-doc
projects / sbcl.git / blobdiff