X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fpcl%2Fboot.lisp;h=61bb5f99daad12e10de30ecbbb5d370cfd750d42;hb=40bf78b47ea89b15698adb9c550efa4cbacafeb7;hp=d9c76b1c59e1f2d840972203fca688f0928b17b6;hpb=27f66b547413b4a3e1b285270d468ee1e588153c;p=sbcl.git diff --git a/src/pcl/boot.lisp b/src/pcl/boot.lisp index d9c76b1..61bb5f9 100644 --- a/src/pcl/boot.lisp +++ b/src/pcl/boot.lisp @@ -171,7 +171,25 @@ bootstrapping. (let ((car-option (car option))) (case car-option (declare - (push (cdr option) (initarg :declarations))) + (when (and + (consp (cadr option)) + (member (first (cadr option)) + ;; FIXME: this list is slightly weird. + ;; ANSI (on the DEFGENERIC page) in one + ;; place allows only OPTIMIZE; in + ;; another place gives this list of + ;; disallowed declaration specifiers. + ;; This seems to be the only place where + ;; the FUNCTION declaration is + ;; mentioned; TYPE seems to be missing. + ;; Very strange. -- CSR, 2002-10-21 + '(declaration ftype function + inline notinline special))) + (error 'simple-program-error + :format-control "The declaration specifier ~S ~ + is not allowed inside DEFGENERIC." + :format-arguments (list (cadr option)))) + (push (cadr option) (initarg :declarations))) ((:argument-precedence-order :method-combination) (if (initarg car-option) (duplicate-option car-option) @@ -221,7 +239,7 @@ bootstrapping. (apply #'ensure-generic-function fun-name :lambda-list lambda-list - :definition-source `((defgeneric ,fun-name) ,*load-truename*) + :definition-source `((defgeneric ,fun-name) ,*load-pathname*) initargs)) ;;; As per section 3.4.2 of the ANSI spec, generic function lambda @@ -317,11 +335,6 @@ bootstrapping. (class-prototype (or (generic-function-method-class gf?) (find-class 'standard-method))))))) -(defvar *optimize-asv-funcall-p* nil) -(defvar *asv-readers*) -(defvar *asv-writers*) -(defvar *asv-boundps*) - (defun expand-defmethod (name proto-gf proto-method @@ -329,53 +342,43 @@ bootstrapping. lambda-list body env) - (let ((*make-instance-function-keys* nil) - (*optimize-asv-funcall-p* t) - (*asv-readers* nil) (*asv-writers* nil) (*asv-boundps* nil)) - (declare (special *make-instance-function-keys*)) - (multiple-value-bind (method-lambda unspecialized-lambda-list specializers) - (add-method-declarations name qualifiers lambda-list body env) - (multiple-value-bind (method-function-lambda initargs) - (make-method-lambda proto-gf proto-method method-lambda env) - (let ((initargs-form (make-method-initargs-form proto-gf - proto-method - method-function-lambda - initargs - env))) - `(progn - ;; Note: We could DECLAIM the ftype of the generic - ;; function here, since ANSI specifies that we create it - ;; if it does not exist. However, I chose not to, because - ;; I think it's more useful to support a style of - ;; programming where every generic function has an - ;; explicit DEFGENERIC and any typos in DEFMETHODs are - ;; warned about. Otherwise - ;; (DEFGENERIC FOO-BAR-BLETCH ((X T))) - ;; (DEFMETHOD FOO-BAR-BLETCH ((X HASH-TABLE)) ..) - ;; (DEFMETHOD FOO-BRA-BLETCH ((X SIMPLE-VECTOR)) ..) - ;; (DEFMETHOD FOO-BAR-BLETCH ((X VECTOR)) ..) - ;; (DEFMETHOD FOO-BAR-BLETCH ((X ARRAY)) ..) - ;; (DEFMETHOD FOO-BAR-BLETCH ((X LIST)) ..) - ;; compiles without raising an error and runs without - ;; raising an error (since SIMPLE-VECTOR cases fall - ;; through to VECTOR) but still doesn't do what was - ;; intended. I hate that kind of bug (code which silently - ;; gives the wrong answer), so we don't do a DECLAIM - ;; here. -- WHN 20000229 - ,@(when *make-instance-function-keys* - `((get-make-instance-functions - ',*make-instance-function-keys*))) - ,@(when (or *asv-readers* *asv-writers* *asv-boundps*) - `((initialize-internal-slot-gfs* - ',*asv-readers* ',*asv-writers* ',*asv-boundps*))) - ,(make-defmethod-form name qualifiers specializers - unspecialized-lambda-list - (if proto-method - (class-name (class-of proto-method)) - 'standard-method) - initargs-form - (getf (getf initargs :plist) - :pv-table-symbol)))))))) + (multiple-value-bind (method-lambda unspecialized-lambda-list specializers) + (add-method-declarations name qualifiers lambda-list body env) + (multiple-value-bind (method-function-lambda initargs) + (make-method-lambda proto-gf proto-method method-lambda env) + (let ((initargs-form (make-method-initargs-form proto-gf + proto-method + method-function-lambda + initargs + env))) + `(progn + ;; Note: We could DECLAIM the ftype of the generic function + ;; here, since ANSI specifies that we create it if it does + ;; not exist. However, I chose not to, because I think it's + ;; more useful to support a style of programming where every + ;; generic function has an explicit DEFGENERIC and any typos + ;; in DEFMETHODs are warned about. Otherwise + ;; + ;; (DEFGENERIC FOO-BAR-BLETCH ((X T))) + ;; (DEFMETHOD FOO-BAR-BLETCH ((X HASH-TABLE)) ..) + ;; (DEFMETHOD FOO-BRA-BLETCH ((X SIMPLE-VECTOR)) ..) + ;; (DEFMETHOD FOO-BAR-BLETCH ((X VECTOR)) ..) + ;; (DEFMETHOD FOO-BAR-BLETCH ((X ARRAY)) ..) + ;; (DEFMETHOD FOO-BAR-BLETCH ((X LIST)) ..) + ;; + ;; compiles without raising an error and runs without + ;; raising an error (since SIMPLE-VECTOR cases fall through + ;; to VECTOR) but still doesn't do what was intended. I hate + ;; that kind of bug (code which silently gives the wrong + ;; answer), so we don't do a DECLAIM here. -- WHN 20000229 + ,(make-defmethod-form name qualifiers specializers + unspecialized-lambda-list + (if proto-method + (class-name (class-of proto-method)) + 'standard-method) + initargs-form + (getf (getf initargs :plist) + :pv-table-symbol))))))) (defun interned-symbol-p (x) (and (symbolp x) (symbol-package x))) @@ -497,6 +500,13 @@ bootstrapping. ;; another declaration (e.g. %BLOCK-NAME), so that ;; our method debug names are free to have any format, ;; e.g. (:METHOD PRINT-OBJECT :AROUND (CLOWN T)). + ;; + ;; Further, as of sbcl-0.7.9.10, the code to + ;; implement NO-NEXT-METHOD is coupled to the form of + ;; this declaration; see the definition of + ;; CALL-NO-NEXT-METHOD (and the passing of + ;; METHOD-NAME-DECLARATION arguments around the + ;; various CALL-NEXT-METHOD logic). (declare (%method-name (,name ,@qualifiers ,specializers))) @@ -708,6 +718,14 @@ bootstrapping. :call-next-method-p ,call-next-method-p :next-method-p-p ,next-method-p-p + ;; we need to pass this along + ;; so that NO-NEXT-METHOD can + ;; be given a suitable METHOD + ;; argument; we need the + ;; QUALIFIERS and SPECIALIZERS + ;; inside the declaration to + ;; give to FIND-METHOD. + :method-name-declaration ,name-decl :closurep ,closurep :applyp ,applyp) ,@walked-declarations @@ -751,18 +769,32 @@ bootstrapping. (,',next-methods (cdr ,',next-methods))) .next-method. ,',next-methods ,@body)) - (call-next-method-body (cnm-args) + (call-next-method-body (method-name-declaration cnm-args) `(if .next-method. (funcall (if (std-instance-p .next-method.) (method-function .next-method.) .next-method.) ; for early methods (or ,cnm-args ,',method-args) ,',next-methods) - (error "no next method"))) + (apply #'call-no-next-method ',method-name-declaration + (or ,cnm-args ,',method-args)))) (next-method-p-body () `(not (null .next-method.)))) ,@body)) +(defun call-no-next-method (method-name-declaration &rest args) + (destructuring-bind (name) method-name-declaration + (destructuring-bind (name &rest qualifiers-and-specializers) name + ;; KLUDGE: inefficient traversal, but hey. This should only + ;; happen on the slow error path anyway. + (let* ((qualifiers (butlast qualifiers-and-specializers)) + (specializers (car (last qualifiers-and-specializers))) + (method (find-method (gdefinition name) qualifiers specializers))) + (apply #'no-next-method + (method-generic-function method) + method + args))))) + (defstruct (method-call (:copier nil)) (function #'identity :type function) call-method-args) @@ -890,7 +922,7 @@ bootstrapping. `(((typep ,emf 'fixnum) (let ((.new-value. ,(car required-args+rest-arg)) (.slots. (get-slots-or-nil - ,(car required-args+rest-arg)))) + ,(cadr required-args+rest-arg)))) (when .slots. (setf (clos-slots-ref .slots. ,emf) .new-value.)))))) ;; (In cmucl-2.4.8 there was a commented-out third ,@(WHEN @@ -993,7 +1025,7 @@ bootstrapping. ,emf)) (call-next-method-bind (&body body) `(let () ,@body)) - (call-next-method-body (cnm-args) + (call-next-method-body (method-name-declaration cnm-args) `(if ,',next-method-call ,(locally ;; This declaration suppresses a "deleting @@ -1021,34 +1053,38 @@ bootstrapping. ,cnm-args) ,call) ,call)))) - (error "no next method"))) + ,(locally + ;; As above, this declaration suppresses code + ;; deletion notes. + (declare (optimize (inhibit-warnings 3))) + (if (and (null ',rest-arg) + (consp cnm-args) + (eq (car cnm-args) 'list)) + `(call-no-next-method ',method-name-declaration + ,@(cdr cnm-args)) + `(call-no-next-method ',method-name-declaration + ,@',args + ,@',(when rest-arg + `(,rest-arg))))))) (next-method-p-body () `(not (null ,',next-method-call)))) ,@body)) (defmacro bind-lexical-method-functions - ((&key call-next-method-p next-method-p-p closurep applyp) + ((&key call-next-method-p next-method-p-p + closurep applyp method-name-declaration) &body body) (cond ((and (null call-next-method-p) (null next-method-p-p) (null closurep) (null applyp)) `(let () ,@body)) - ((and (null closurep) - (null applyp)) - ;; OK to use MACROLET, and all args are mandatory - ;; (else APPLYP would be true). - `(call-next-method-bind - (macrolet ((call-next-method (&rest cnm-args) - `(call-next-method-body ,(when cnm-args - `(list ,@cnm-args)))) - (next-method-p () - `(next-method-p-body))) - ,@body))) (t `(call-next-method-bind (flet (,@(and call-next-method-p - '((call-next-method (&rest cnm-args) - (call-next-method-body cnm-args)))) + `((call-next-method (&rest cnm-args) + (call-next-method-body + ,method-name-declaration + cnm-args)))) ,@(and next-method-p-p '((next-method-p () (next-method-p-body))))) @@ -1183,13 +1219,6 @@ bootstrapping. ((generic-function-name-p (car form)) (optimize-generic-function-call form required-parameters env slots calls)) - ((and (eq (car form) 'asv-funcall) - *optimize-asv-funcall-p*) - (case (fourth form) - (reader (push (third form) *asv-readers*)) - (writer (push (third form) *asv-writers*)) - (boundp (push (third form) *asv-boundps*))) - `(,(second form) ,@(cddddr form))) (t form)))) (let ((walked-lambda (walk-form method-lambda env #'walk-function))) @@ -1288,7 +1317,7 @@ bootstrapping. :definition-source `((defmethod ,gf-spec ,@qualifiers ,specializers) - ,*load-truename*) + ,*load-pathname*) initargs))) (unless (or (eq method-class 'standard-method) (eq (find-class method-class nil) (class-of method))) @@ -1594,12 +1623,11 @@ bootstrapping. (early-method-lambda-list method) (method-lambda-list method))) (flet ((lose (string &rest args) - (error - "attempt to add the method ~S to the generic function ~S.~%~ - But ~A" - method - gf - (apply #'format nil string args))) + (error 'simple-program-error + :format-control "~@" + :format-arguments (list method gf string args))) (comparison-description (x y) (if (> x y) "more" "fewer"))) (let ((gf-nreq (arg-info-number-required arg-info)) @@ -1615,14 +1643,14 @@ bootstrapping. "the method has ~A optional arguments than the generic function." (comparison-description nopt gf-nopt))) (unless (eq (or keysp restp) gf-key/rest-p) - (error - "The method and generic function differ in whether they accept~%~ + (lose + "the method and generic function differ in whether they accept~_~ &REST or &KEY arguments.")) (when (consp gf-keywords) (unless (or (and restp (not keysp)) allow-other-keys-p (every (lambda (k) (memq k keywords)) gf-keywords)) - (lose "the method does not accept each of the &KEY arguments~%~ + (lose "the method does not accept each of the &KEY arguments~2I~_~ ~S." gf-keywords))))))) @@ -1677,6 +1705,21 @@ bootstrapping. (let* ((sym (if (atom name) name (cadr name))) (pkg-list (cons *pcl-package* (package-use-list *pcl-package*)))) + ;; FIXME: given the presence of generalized function + ;; names, this test is broken. A little + ;; reverse-engineering suggests that this was intended + ;; to prevent precompilation of things on some + ;; PCL-internal automatically-constructed functions + ;; like the old "~A~A standard class ~A reader" + ;; functions. When the CADR of SB-PCL::SLOT-ACCESSOR + ;; generalized functions was *, this test returned T, + ;; not NIL, and an error was signalled in + ;; MAKE-ACCESSOR-TABLE for (DEFUN FOO (X) (SLOT-VALUE X + ;; 'ASLDKJ)). Whether the right thing to do is to fix + ;; MAKE-ACCESSOR-TABLE so that it can work in the + ;; presence of slot names that have no classes, or to + ;; restore this test to something more obvious, I don't + ;; know. -- CSR, 2003-02-14 (and sym (symbolp sym) (not (null (memq (symbol-package sym) pkg-list))) (not (find #\space (symbol-name sym)))))))) @@ -1746,7 +1789,7 @@ bootstrapping. (!bootstrap-set-slot 'standard-generic-function fin 'source - *load-truename*) + *load-pathname*) (set-fun-name fin spec) (let ((arg-info (make-arg-info))) (setf (early-gf-arg-info fin) arg-info)