X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fpcl%2Fboot.lisp;h=e89443f37088ef7e8e89d44e7fda435a17131dba;hb=ff92598854bf7cae8d57fe49cef4d9a98e1ab345;hp=ab5388d1d3f42fdaf5280481fe2a4bd0f3581736;hpb=22aec7852f4861e5dab28cc0d619c24b62590dad;p=sbcl.git

diff --git a/src/pcl/boot.lisp b/src/pcl/boot.lisp
index ab5388d..e89443f 100644
--- a/src/pcl/boot.lisp
+++ b/src/pcl/boot.lisp
@@ -263,18 +263,18 @@ bootstrapping.
          :definition-source `((defgeneric ,fun-name) ,*load-pathname*)
          initargs))
 
-;;; As per section 3.4.2 of the ANSI spec, generic function lambda
-;;; lists have some special limitations, which we check here.
+(define-condition generic-function-lambda-list-error
+    (reference-condition simple-program-error)
+  ()
+  (:default-initargs :references (list '(:ansi-cl :section (3 4 2)))))
+
 (defun check-gf-lambda-list (lambda-list)
   (flet ((ensure (arg ok)
            (unless ok
-	     (error
-	      ;; (s/invalid/non-ANSI-conforming/ because the old PCL
-	      ;; implementation allowed this, so people got used to
-	      ;; it, and maybe this phrasing will help them to guess
-	      ;; why their program which worked under PCL no longer works.)
-	      "~@<non-ANSI-conforming argument ~S ~_in the generic function lambda list ~S~:>"
-	      arg lambda-list))))
+	     (error 'generic-function-lambda-list-error
+		    :format-control
+		    "~@<invalid ~S ~_in the generic function lambda list ~S~:>"
+		    :format-arguments (list arg lambda-list)))))
     (multiple-value-bind (required optional restp rest keyp keys allowp
                           auxp aux morep more-context more-count)
 	(parse-lambda-list lambda-list)
@@ -437,14 +437,14 @@ bootstrapping.
 	       (mname `(,(if (eq (cadr initargs-form) :function)
 			     'method 'fast-method)
 			,name ,@qualifiers ,specls))
-	       (mname-sym (intern (let ((*print-pretty* nil)
-					;; (We bind *PACKAGE* to
-					;; KEYWORD here as a way to
-					;; force symbols to be printed
-					;; with explicit package
-					;; prefixes.)
-					(*package* *keyword-package*))
-				    (format nil "~S" mname)))))
+	       (mname-sym (let ((*print-pretty* nil)
+				;; (We bind *PACKAGE* to KEYWORD here
+				;; as a way to force symbols to be
+				;; printed with explicit package
+				;; prefixes.)
+				(target *package*)
+				(*package* *keyword-package*))
+			    (format-symbol target "~S" mname))))
 	  `(progn
 	     (defun ,mname-sym ,(cadr fn-lambda)
 	       ,@(cddr fn-lambda))
@@ -460,7 +460,7 @@ bootstrapping.
 	 `(list ,@(mapcar (lambda (specializer)
 			    (if (consp specializer)
 				``(,',(car specializer)
-				   ,,(cadr specializer))
+				      ,,(cadr specializer))
 				`',specializer))
 			  specializers))
 	 unspecialized-lambda-list
@@ -499,11 +499,11 @@ bootstrapping.
 				 env))))
 
 (defun add-method-declarations (name qualifiers lambda-list body env)
+  (declare (ignore env))
   (multiple-value-bind (parameters unspecialized-lambda-list specializers)
       (parse-specialized-lambda-list lambda-list)
-    (declare (ignore parameters))
     (multiple-value-bind (real-body declarations documentation)
-	(parse-body body env)
+	(parse-body body)
       (values `(lambda ,unspecialized-lambda-list
 		 ,@(when documentation `(,documentation))
 		 ;; (Old PCL code used a somewhat different style of
@@ -635,7 +635,7 @@ bootstrapping.
 	    is not a lambda form."
 	   method-lambda))
   (multiple-value-bind (real-body declarations documentation)
-      (parse-body (cddr method-lambda) env)
+      (parse-body (cddr method-lambda))
     (let* ((name-decl (get-declaration '%method-name declarations))
 	   (sll-decl (get-declaration '%method-lambda-list declarations))
 	   (method-name (when (consp name-decl) (car name-decl)))
@@ -669,8 +669,9 @@ bootstrapping.
 		  ;; it can avoid run-time type dispatch overhead,
 		  ;; which can be a huge win for Python.)
 		  ;;
-		  ;; FIXME: Perhaps these belong in
-		  ;; ADD-METHOD-DECLARATIONS instead of here?
+		  ;; KLUDGE: when I tried moving these to
+		  ;; ADD-METHOD-DECLARATIONS, things broke.  No idea
+		  ;; why.  -- CSR, 2004-06-16
 		  ,@(mapcar #'parameter-specializer-declaration-in-defmethod
 			    parameters
 			    specializers)))
@@ -716,7 +717,8 @@ bootstrapping.
 			       ((eq p '&aux)
 				(return nil))))))
 	  (multiple-value-bind
-	      (walked-lambda call-next-method-p closurep next-method-p-p)
+		(walked-lambda call-next-method-p closurep
+			       next-method-p-p setq-p)
 	      (walk-method-lambda method-lambda
 				  required-parameters
 				  env
@@ -725,7 +727,7 @@ bootstrapping.
 	    (multiple-value-bind (walked-lambda-body
 				  walked-declarations
 				  walked-documentation)
-		(parse-body (cddr walked-lambda) env)
+		(parse-body (cddr walked-lambda))
 	      (declare (ignore walked-documentation))
 	      (when (or next-method-p-p call-next-method-p)
 		(setq plist (list* :needs-next-methods-p t plist)))
@@ -757,6 +759,7 @@ bootstrapping.
 					:call-next-method-p
 					,call-next-method-p
 					:next-method-p-p ,next-method-p-p
+			                :setq-p ,setq-p
 			                ;; we need to pass this along
 			                ;; so that NO-NEXT-METHOD can
 			                ;; be given a suitable METHOD
@@ -819,8 +822,9 @@ bootstrapping.
 		            (or ,cnm-args ,',method-args))))
 	      (next-method-p-body ()
 	       `(not (null .next-method.)))
-	      (with-rebound-original-args ((call-next-method-p) &body body)
-		(declare (ignore call-next-method-p))
+	      (with-rebound-original-args ((call-next-method-p setq-p)
+					   &body body)
+		(declare (ignore call-next-method-p setq-p))
 		`(let () ,@body)))
     ,@body))
 
@@ -1113,8 +1117,8 @@ bootstrapping.
 					`(,rest-arg)))))))
 		(next-method-p-body ()
 		 `(not (null ,',next-method-call)))
-		(with-rebound-original-args ((cnm-p) &body body)
-		  (if cnm-p
+		(with-rebound-original-args ((cnm-p setq-p) &body body)
+		  (if (or cnm-p setq-p)
 		      `(let ,',rebindings
 			(declare (ignorable ,@',all-params))
 			,@body)
@@ -1122,11 +1126,11 @@ bootstrapping.
       ,@body)))
 
 (defmacro bind-lexical-method-functions
-    ((&key call-next-method-p next-method-p-p
+    ((&key call-next-method-p next-method-p-p setq-p
 	   closurep applyp method-name-declaration)
      &body body)
   (cond ((and (null call-next-method-p) (null next-method-p-p)
-	      (null closurep) (null applyp))
+	      (null closurep) (null applyp) (null setq-p))
 	 `(let () ,@body))
 	(t
 	 `(call-next-method-bind
@@ -1138,7 +1142,7 @@ bootstrapping.
 		   ,@(and next-method-p-p
 			  '((next-method-p ()
 			     (next-method-p-body)))))
-	      (with-rebound-original-args (,call-next-method-p)
+	      (with-rebound-original-args (,call-next-method-p ,setq-p)
 		,@body))))))
 
 (defmacro bind-args ((lambda-list args) &body body)
@@ -1230,8 +1234,9 @@ bootstrapping.
 				   ; should be in the method definition
 	(closurep nil)		   ; flag indicating that #'CALL-NEXT-METHOD
 				   ; was seen in the body of a method
-	(next-method-p-p nil))     ; flag indicating that NEXT-METHOD-P
+	(next-method-p-p nil)      ; flag indicating that NEXT-METHOD-P
 				   ; should be in the method definition
+	(setq-p nil))
     (flet ((walk-function (form context env)
 	     (cond ((not (eq context :eval)) form)
 		   ;; FIXME: Jumping to a conclusion from the way it's used
@@ -1246,6 +1251,9 @@ bootstrapping.
 		   ((eq (car form) 'next-method-p)
 		    (setq next-method-p-p t)
 		    form)
+		   ((eq (car form) 'setq)
+		    (setq setq-p t)
+		    form)
 		   ((and (eq (car form) 'function)
 			 (cond ((eq (cadr form) 'call-next-method)
 				(setq call-next-method-p t)
@@ -1282,7 +1290,8 @@ bootstrapping.
 	(values walked-lambda
 		call-next-method-p
 		closurep
-		next-method-p-p)))))
+		next-method-p-p
+		setq-p)))))
 
 (defun generic-function-name-p (name)
   (and (legal-fun-name-p name)
@@ -1362,6 +1371,7 @@ bootstrapping.
 	     (fboundp gf-spec))
     (let* ((gf (fdefinition gf-spec))
 	   (method (and (generic-function-p gf)
+                        (generic-function-methods gf)
 			(find-method gf
 				     qualifiers
                                      (parse-specializers specializers)
@@ -1418,10 +1428,10 @@ bootstrapping.
 				   ;; failing that, to use a special
 				   ;; symbol prefix denoting privateness.
 				   ;; -- WHN 19991201
-				   (intern (format nil "FAST-~A"
-						   (car method-spec))
-					   *pcl-package*)))
-			 ,@(cdr method-spec))))
+				   (format-symbol *pcl-package*
+						  "FAST-~A" 
+						  (car method-spec))))
+			,@(cdr method-spec))))
 	    (set-fun-name mff name)
 	    (unless mf
 	      (set-mf-property :name name)))))
@@ -1522,8 +1532,6 @@ bootstrapping.
 		 *))))
 
 (defun defgeneric-declaration (spec lambda-list)
-  (when (consp spec)
-    (setq spec (get-setf-fun-name (cadr spec))))
   `(ftype ,(ftype-declaration-from-lambda-list lambda-list spec) ,spec))
 
 ;;;; early generic function support
@@ -1806,6 +1814,8 @@ bootstrapping.
 					    &allow-other-keys)
   (declare (ignore keys))
   (cond ((and existing (early-gf-p existing))
+	 (when lambda-list-p
+	   (set-arg-info existing :lambda-list lambda-list))
 	 existing)
 	((assoc spec *!generic-function-fixups* :test #'equal)
 	 (if existing
@@ -1905,7 +1915,7 @@ bootstrapping.
 			     (method-lambda-list method)))
 		     (k (member '&key ll)))
 		(if k
-		    (append (ldiff ll (cdr k)) '(&allow-other-keys))
+		    (ldiff ll (cdr k))
 		    ll))))
 	(arg-info-lambda-list arg-info))))
 
@@ -1929,7 +1939,7 @@ bootstrapping.
     (let ((method-class (getf ,all-keys :method-class '.shes-not-there.)))
       (unless (eq method-class '.shes-not-there.)
         (setf (getf ,all-keys :method-class)
-                (find-class method-class t ,env))))))
+	      (find-class method-class t ,env))))))
 
 (defun real-ensure-gf-using-class--generic-function
        (existing
@@ -2324,6 +2334,11 @@ bootstrapping.
     (declare (ignore ignore1 ignore2 ignore3))
     required-parameters))
 
+(define-condition specialized-lambda-list-error
+    (reference-condition simple-program-error)
+  ()
+  (:default-initargs :references (list '(:ansi-cl :section (3 4 3)))))
+
 (defun parse-specialized-lambda-list
     (arglist
      &optional supplied-keywords (allowed-keywords '(&optional &rest &key &aux))
@@ -2334,22 +2349,21 @@ bootstrapping.
 	  ((eq arg '&aux)
 	   (values nil arglist nil nil))
 	  ((memq arg lambda-list-keywords)
-	   ;; Now, since we try to conform to ANSI, non-standard
-	   ;; lambda-list-keywords should be treated as errors.
+	   ;; non-standard lambda-list-keywords are errors.
 	   (unless (memq arg specialized-lambda-list-keywords)
-	     (error 'simple-program-error
+	     (error 'specialized-lambda-list-error
 		    :format-control "unknown specialized-lambda-list ~
                                      keyword ~S~%"
 		    :format-arguments (list arg)))
 	   ;; no multiple &rest x &rest bla specifying
 	   (when (memq arg supplied-keywords)
-	     (error 'simple-program-error
+	     (error 'specialized-lambda-list-error
 		    :format-control "multiple occurrence of ~
                                      specialized-lambda-list keyword ~S~%"
 		    :format-arguments (list arg)))
 	   ;; And no placing &key in front of &optional, either.
 	   (unless (memq arg allowed-keywords)
-	     (error 'simple-program-error
+	     (error 'specialized-lambda-list-error
 		    :format-control "misplaced specialized-lambda-list ~
                                      keyword ~S~%"
 		    :format-arguments (list arg)))
@@ -2372,7 +2386,7 @@ bootstrapping.
 			    (not (or (null (cadr lambda-list))
 				     (memq (cadr lambda-list)
 					   specialized-lambda-list-keywords)))))
-	       (error 'simple-program-error
+	       (error 'specialized-lambda-list-error
 		      :format-control
 		      "in a specialized-lambda-list, excactly one ~
                        variable must follow &REST.~%"