;;; ...and one lock to rule them. Spinlock because for certain (rare)
;;; cases this lock might be grabbed in the course of method dispatch
-;;; -- and mostly this is already under the *big-compiler-lock*.
+;;; -- and mostly this is already under the *world-lock*
(defvar *pv-lock*
(sb-thread::make-spinlock :name "pv table index lock"))
(slot-boundp 'boundp)))
(var (extract-the var-form))
(slot-name (constant-form-value slot-name-form env)))
- (when (symbolp var)
+ (when (and (symbolp var) (not (var-special-p var env)))
(let* ((rebound? (caddr (var-declaration '%variable-rebinding var env)))
(parameter-or-nil (car (memq (or rebound? var)
required-parameters))))
(declare ,(make-pv-type-declaration '.pv.))
,@forms)))
-(defvar *non-var-declarations*
- ;; FIXME: VALUES was in this list, conditionalized with #+CMU, but I
- ;; don't *think* CMU CL had, or SBCL has, VALUES declarations. If
- ;; SBCL doesn't have 'em, VALUES should probably be removed from
- ;; this list.
- '(values
- %method-name
- %method-lambda-list
- optimize
- ftype
- muffle-conditions
- inline
- notinline))
-
-(defvar *var-declarations-with-arg*
- '(%class
- type))
-
-(defvar *var-declarations-without-arg*
- '(ignore
- ignorable special dynamic-extent
- ;; FIXME: Possibly this entire list and variable could go away.
- ;; If not, certainly we should remove all these built-in typenames
- ;; from the list, and replace them with a test for "is it a type
- ;; name?" (CLTL1 allowed only built-in type names as declarations,
- ;; but ANSI CL allows any type name as a declaration.)
- array atom base-char bignum bit bit-vector character compiled-function
- complex cons double-float extended-char
- fixnum float function hash-table integer
- keyword list long-float nil null number package pathname random-state ratio
- rational readtable sequence short-float signed-byte simple-array
- simple-bit-vector simple-string simple-vector single-float standard-char
- stream string symbol t unsigned-byte vector))
-
(defun split-declarations (body args maybe-reads-params-p)
(let ((inner-decls nil)
(outer-decls nil)
decl)
- (loop (when (null body) (return nil))
- (setq decl (car body))
- (unless (and (consp decl)
- (eq (car decl) 'declare))
- (return nil))
- (dolist (form (cdr decl))
- (when (consp form)
- (let ((declaration-name (car form)))
- (if (member declaration-name *non-var-declarations*)
- (push `(declare ,form) outer-decls)
- (let ((arg-p
- (member declaration-name
- *var-declarations-with-arg*))
- (non-arg-p
- (member declaration-name
- *var-declarations-without-arg*))
- (dname (list (pop form)))
- (inners nil) (outers nil))
- (unless (or arg-p non-arg-p)
- ;; FIXME: This warning, and perhaps the
- ;; various *VAR-DECLARATIONS-FOO* and/or
- ;; *NON-VAR-DECLARATIONS* variables,
- ;; could probably go away now that we're not
- ;; trying to be portable between different
- ;; CLTL1 hosts the way PCL was. (Note that to
- ;; do this right, we need to be able to handle
- ;; user-defined (DECLAIM (DECLARATION FOO))
- ;; stuff.)
- (warn "The declaration ~S is not understood by ~S.~@
- Please put ~S on one of the lists ~S,~%~S, or~%~S.~@
- (Assuming it is a variable declaration without argument)."
- declaration-name 'split-declarations
- declaration-name
- '*non-var-declarations*
- '*var-declarations-with-arg*
- '*var-declarations-without-arg*)
- (push declaration-name *var-declarations-without-arg*))
- (when arg-p
- (setq dname (append dname (list (pop form)))))
- (case (car dname)
- (%class (push `(declare (,@dname ,@form)) inner-decls))
- (t
- (dolist (var form)
- (if (member var args)
- ;; Quietly remove IGNORE declarations
- ;; on args when a next-method is
- ;; involved, to prevent compiler
- ;; warnings about ignored args being
- ;; read.
- (unless (and maybe-reads-params-p
- (eq (car dname) 'ignore))
- (push var outers))
- (push var inners)))
- (when outers
- (push `(declare (,@dname ,@outers)) outer-decls))
- (when inners
- (push
- `(declare (,@dname ,@inners))
- inner-decls)))))))))
- (setq body (cdr body)))
+ (loop
+ (when (null body)
+ (return nil))
+ (setq decl (car body))
+ (unless (and (consp decl) (eq (car decl) 'declare))
+ (return nil))
+ (dolist (form (cdr decl))
+ (when (consp form)
+ (let* ((name (car form)))
+ (cond ((eq '%class name)
+ (push `(declare ,form) inner-decls))
+ ((or (member name '(ignore ignorable special dynamic-extent type))
+ (info :type :kind name))
+ (let* ((inners nil)
+ (outers nil)
+ (tail (cdr form))
+ (head (if (eq 'type name)
+ (list name (pop tail))
+ (list name))))
+ (dolist (var tail)
+ (if (member var args :test #'eq)
+ ;; Quietly remove IGNORE declarations on
+ ;; args when a next-method is involved, to
+ ;; prevent compiler warnings about ignored
+ ;; args being read.
+ (unless (and (eq 'ignore name) maybe-reads-params-p)
+ (push var outers))
+ (push var inners)))
+ (when outers
+ (push `(declare (,@head ,@outers)) outer-decls))
+ (when inners
+ (push `(declare (,@head ,@inners)) inner-decls))))
+ (t
+ ;; All other declarations are not variable declarations,
+ ;; so they become outer declarations.
+ (push `(declare ,form) outer-decls))))))
+ (setq body (cdr body)))
(values outer-decls inner-decls body)))
;;; Pull a name out of the %METHOD-NAME declaration in the function
;; Given a valid lambda list, extract the parameter names.
(loop for x in lambda-list
with res = nil
- do (unless (member x lambda-list-keywords)
+ do (unless (member x lambda-list-keywords :test #'eq)
(if (consp x)
(let ((name (car x)))
(if (consp name)