(%raw-instance-ref/word structure i)))
res))
+
+\f
+
+;; Do an EQUALP comparison on the raw slots (only, not the normal slots) of a
+;; structure.
+(defun raw-instance-slots-equalp (layout x y)
+ ;; This implementation sucks, but hopefully EQUALP on raw structures
+ ;; won't be a major bottleneck for anyone. It'd be tempting to do
+ ;; all this with %RAW-INSTANCE-REF/WORD and bitwise comparisons, but
+ ;; that'll fail in some cases. For example -0.0 and 0.0 are EQUALP
+ ;; but have different bit patterns. -- JES, 2007-08-21
+ (loop with i = -1
+ for dsd in (dd-slots (layout-info layout))
+ for raw-type = (dsd-raw-type dsd)
+ for rsd = (when raw-type
+ (find raw-type
+ *raw-slot-data-list*
+ :key 'raw-slot-data-raw-type))
+ for accessor = (when rsd
+ (raw-slot-data-accessor-name rsd))
+ always (or (not accessor)
+ (progn
+ (incf i)
+ (equalp (funcall accessor x i)
+ (funcall accessor y i))))))
\f
;;; default PRINT-OBJECT method
+(defun %print-structure-sans-layout-info (name stream)
+ ;; KLUDGE: during PCL build debugging, we can sometimes
+ ;; attempt to print out a PCL object (with null LAYOUT-INFO).
+ (pprint-logical-block (stream nil :prefix "#<" :suffix ">")
+ (prin1 name stream)
+ (write-char #\space stream)
+ (write-string "(no LAYOUT-INFO)" stream)))
+
+(defun %print-structure-sans-slots (name stream)
+ ;; the structure type doesn't count as a component for *PRINT-LEVEL*
+ ;; processing. We can likewise elide the logical block processing,
+ ;; since all we have to print is the type name. -- CSR, 2004-10-05
+ (write-string "#S(" stream)
+ (prin1 name stream)
+ (write-char #\) stream))
+
(defun %default-structure-pretty-print (structure stream)
(let* ((layout (%instance-layout structure))
(name (classoid-name (layout-classoid layout)))
(dd (layout-info layout)))
- ;; KLUDGE: during the build process with SB-SHOW, we can sometimes
- ;; attempt to print out a PCL object (with null LAYOUT-INFO).
- #!+sb-show
- (when (null dd)
- (pprint-logical-block (stream nil :prefix "#<" :suffix ">")
- (prin1 name stream)
- (write-char #\space stream)
- (write-string "(no LAYOUT-INFO)"))
- (return-from %default-structure-pretty-print nil))
- ;; the structure type doesn't count as a component for
- ;; *PRINT-LEVEL* processing. We can likewise elide the logical
- ;; block processing, since all we have to print is the type name.
- ;; -- CSR, 2004-10-05
- (when (and dd (null (dd-slots dd)))
- (write-string "#S(" stream)
- (prin1 name stream)
- (write-char #\) stream)
- (return-from %default-structure-pretty-print nil))
- (pprint-logical-block (stream nil :prefix "#S(" :suffix ")")
- (prin1 name stream)
- (let ((remaining-slots (dd-slots dd)))
- (when remaining-slots
- (write-char #\space stream)
- ;; CMU CL had (PPRINT-INDENT :BLOCK 2 STREAM) here,
- ;; but I can't see why. -- WHN 20000205
- (pprint-newline :linear stream)
- (loop
- (pprint-pop)
- (let ((slot (pop remaining-slots)))
- (write-char #\: stream)
- (output-symbol-name (symbol-name (dsd-name slot)) stream)
- (write-char #\space stream)
- (pprint-newline :miser stream)
- (output-object (funcall (fdefinition (dsd-accessor-name slot))
- structure)
- stream)
- (when (null remaining-slots)
- (return))
- (write-char #\space stream)
- (pprint-newline :linear stream))))))))
+ (cond ((not dd)
+ (%print-structure-sans-layout-info name stream))
+ ((not (dd-slots dd))
+ (%print-structure-sans-slots name stream))
+ (t
+ (pprint-logical-block (stream nil :prefix "#S(" :suffix ")")
+ (prin1 name stream)
+ (let ((remaining-slots (dd-slots dd)))
+ (when remaining-slots
+ (write-char #\space stream)
+ ;; CMU CL had (PPRINT-INDENT :BLOCK 2 STREAM) here,
+ ;; but I can't see why. -- WHN 20000205
+ (pprint-newline :linear stream)
+ (loop
+ (pprint-pop)
+ (let ((slot (pop remaining-slots)))
+ (write-char #\: stream)
+ (output-symbol-name (symbol-name (dsd-name slot)) stream)
+ (write-char #\space stream)
+ (pprint-newline :miser stream)
+ (output-object (funcall (fdefinition (dsd-accessor-name slot))
+ structure)
+ stream)
+ (when (null remaining-slots)
+ (return))
+ (write-char #\space stream)
+ (pprint-newline :linear stream))))))))))
+
(defun %default-structure-ugly-print (structure stream)
(let* ((layout (%instance-layout structure))
(name (classoid-name (layout-classoid layout)))
(dd (layout-info layout)))
- (when (and dd (null (dd-slots dd)))
- (write-string "#S(" stream)
- (prin1 name stream)
- (write-char #\) stream)
- (return-from %default-structure-ugly-print nil))
- (descend-into (stream)
- (write-string "#S(" stream)
- (prin1 name stream)
- (do ((index 0 (1+ index))
- (remaining-slots (dd-slots dd) (cdr remaining-slots)))
- ((or (null remaining-slots)
- (and (not *print-readably*)
- *print-length*
- (>= index *print-length*)))
- (if (null remaining-slots)
- (write-string ")" stream)
- (write-string " ...)" stream)))
- (declare (type index index))
- (write-char #\space stream)
- (write-char #\: stream)
- (let ((slot (first remaining-slots)))
- (output-symbol-name (symbol-name (dsd-name slot)) stream)
- (write-char #\space stream)
- (output-object
- (funcall (fdefinition (dsd-accessor-name slot))
- structure)
- stream))))))
+ (cond ((not dd)
+ (%print-structure-sans-layout-info name stream))
+ ((not (dd-slots dd))
+ (%print-structure-sans-slots name stream))
+ (t
+ (descend-into (stream)
+ (write-string "#S(" stream)
+ (prin1 name stream)
+ (do ((index 0 (1+ index))
+ (remaining-slots (dd-slots dd) (cdr remaining-slots)))
+ ((or (null remaining-slots)
+ (and (not *print-readably*)
+ *print-length*
+ (>= index *print-length*)))
+ (if (null remaining-slots)
+ (write-string ")" stream)
+ (write-string " ...)" stream)))
+ (declare (type index index))
+ (write-string " :" stream)
+ (let ((slot (first remaining-slots)))
+ (output-symbol-name (symbol-name (dsd-name slot)) stream)
+ (write-char #\space stream)
+ (output-object
+ (funcall (fdefinition (dsd-accessor-name slot))
+ structure)
+ stream))))))))
+
(defun default-structure-print (structure stream depth)
(declare (ignore depth))
(cond ((funcallable-instance-p structure)
(%default-structure-pretty-print structure stream))
(t
(%default-structure-ugly-print structure stream))))
+
(def!method print-object ((x structure-object) stream)
(default-structure-print x stream *current-level-in-print*))
\f
projects / sbcl.git / blobdiff