deftype: make deftype accept macro lambda-lists

Fixes #86.

Signed-off-by: Daniel Kochmański <daniel@turtleware.eu>
This commit is contained in:
Daniel Kochmański 2015-08-18 12:06:03 +02:00
parent ccdf8fab66
commit 0359b79c81
2 changed files with 37 additions and 29 deletions

View file

@ -80,7 +80,7 @@
;; Complex types defined with DEFTYPE.
((and (atom type)
(setq function (get-sysprop type 'SI::DEFTYPE-DEFINITION)))
(expand-typep form object `',(funcall function) env))
(expand-typep form object `',(funcall function nil nil) env))
;;
;; No optimizations that take up too much space unless requested.
((not (policy-inline-type-checks))
@ -147,7 +147,7 @@
;;
;; Complex types with arguments.
((setf function (get-sysprop first 'SI::DEFTYPE-DEFINITION))
(expand-typep form object `',(apply function rest) env))
(expand-typep form object `',(funcall function rest nil) env))
(t
form))))
@ -244,7 +244,7 @@
;; Complex types defined with DEFTYPE.
((and (atom type)
(setq first (get-sysprop type 'SI::DEFTYPE-DEFINITION)))
(expand-coerce form value `',(funcall first) env))
(expand-coerce form value `',(funcall first nil nil) env))
;;
;; CONS types are not coercible.
((and (consp type)

View file

@ -67,26 +67,35 @@ type specifier. When the symbol NAME is used as a type specifier, the
expansion function is called with no argument.
The doc-string DOC, if supplied, is saved as a TYPE doc and can be retrieved
by (documentation 'NAME 'type)."
(multiple-value-bind (body doc)
(remove-documentation body)
(setf lambda-list (copy-list lambda-list))
(dolist (x '(&optional &key))
(do ((l (rest (member x lambda-list)) (rest l)))
((null l))
(let ((variable (first l)))
(when (and (symbolp variable)
(not (member variable lambda-list-keywords)))
(setf (first l) `(,variable '*))))))
(let ((function `#'(LAMBDA-BLOCK ,name ,lambda-list ,@body)))
(when (and (null lambda-list) (consp body) (null (rest body)))
(let ((form (first body)))
(when (constantp form env)
(setf function (ext:maybe-quote (ext:constant-form-value form env))))))
`(eval-when (:compile-toplevel :load-toplevel :execute)
,@(si::expand-set-documentation name 'type doc)
(do-deftype ',name '(DEFTYPE ,name ,lambda-list ,@body)
,function)))))
(setf lambda-list (copy-tree lambda-list))
(labels ; add '* as default values
((set-default (list*)
(when (consp list*)
(let ((variable (car list*)))
(when (and (symbolp variable)
(not (member variable lambda-list-keywords)))
(setf (car list*) `(,variable '*))))
(set-default (cdr list*))))
(verify-tree (elt)
(when (and (consp elt)
(member (car elt)
'(&key &optional))
(set-default (cdr elt))))))
(subst nil (constantly nil) lambda-list ; subst-if isn't defined yet
:test #'funcall
:key #'verify-tree))
(multiple-value-bind (function ppn documentation)
(si::expand-defmacro name lambda-list body nil)
(when (and (null lambda-list)
(consp body)
(null (rest body)))
(let ((form (first body)))
(when (constantp form env)
(setf function (ext:maybe-quote (ext:constant-form-value form env))))))
`(eval-when (:compile-toplevel :load-toplevel :execute)
,@(si::expand-set-documentation name 'type documentation)
(do-deftype ',name '(DEFTYPE ,name ,lambda-list ,@body)
,function))))
;;; Some DEFTYPE definitions.
(deftype boolean ()
@ -586,9 +595,8 @@ Returns T if X belongs to TYPE; NIL otherwise."
(upgraded-array-element-type (car i))))
(or (endp (cdr i)) (match-dimensions object (second i)))))
(t
(cond
((get-sysprop tp 'DEFTYPE-DEFINITION)
(typep object (apply (get-sysprop tp 'DEFTYPE-DEFINITION) i)))
(cond ((get-sysprop tp 'DEFTYPE-DEFINITION)
(typep object (funcall (get-sysprop tp 'DEFTYPE-DEFINITION) i nil)))
((consp i)
(error-type-specifier type))
((setq c (find-class type nil))
@ -636,7 +644,7 @@ Returns T if X belongs to TYPE; NIL otherwise."
;; Loops until the car of type has no DEFTYPE definition.
(cond ((symbolp type)
(if (setq fd (get-sysprop type 'DEFTYPE-DEFINITION))
(normalize-type (funcall fd))
(normalize-type (funcall fd nil nil))
(values type nil)))
((clos::classp type) (values type nil))
((atom type)
@ -1380,7 +1388,7 @@ if not possible."
((symbolp type)
(let ((expander (get-sysprop type 'DEFTYPE-DEFINITION)))
(cond (expander
(canonical-type (funcall expander)))
(canonical-type (funcall expander nil nil)))
((find-built-in-tag type))
(t (let ((class (find-class type nil)))
(if class
@ -1430,7 +1438,7 @@ if not possible."
(FUNCTION (canonical-type 'FUNCTION))
(t (let ((expander (get-sysprop (first type) 'DEFTYPE-DEFINITION)))
(if expander
(canonical-type (apply expander (rest type)))
(canonical-type (funcall expander (rest type) nil))
(unless (assoc (first type) *elementary-types*)
(throw '+canonical-type-failure+ nil)))))))
((clos::classp type)