;;; lambda-list variables since any other arguments will be in the
;;; &REST arg's list of values.
(defun print-frame-call-1 (frame)
- (let* ((d-fun (sb!di:frame-debug-fun frame))
- (loc (sb!di:frame-code-location frame))
- (results (list (sb!di:debug-fun-name d-fun))))
+ (let ((debug-fun (sb!di:frame-debug-fun frame))
+ (loc (sb!di:frame-code-location frame))
+ (reversed-args nil))
+
+ ;; Construct function arguments in REVERSED-ARGS.
(handler-case
- (dolist (ele (sb!di:debug-fun-lambda-list d-fun))
+ (dolist (ele (sb!di:debug-fun-lambda-list debug-fun))
(lambda-list-element-dispatch ele
- :required ((push (frame-call-arg ele loc frame) results))
- :optional ((push (frame-call-arg (second ele) loc frame) results))
- :keyword ((push (second ele) results)
- (push (frame-call-arg (third ele) loc frame) results))
- :deleted ((push (frame-call-arg ele loc frame) results))
+ :required ((push (frame-call-arg ele loc frame) reversed-args))
+ :optional ((push (frame-call-arg (second ele) loc frame)
+ reversed-args))
+ :keyword ((push (second ele) reversed-args)
+ (push (frame-call-arg (third ele) loc frame)
+ reversed-args))
+ :deleted ((push (frame-call-arg ele loc frame) reversed-args))
:rest ((lambda-var-dispatch (second ele) loc
nil
(progn
- (setf results
+ (setf reversed-args
(append (reverse (sb!di:debug-var-value
(second ele) frame))
- results))
+ reversed-args))
(return))
(push (make-unprintable-object
"unavailable &REST argument")
- results)))))
+ reversed-args)))))
(sb!di:lambda-list-unavailable
()
- (push (make-unprintable-object "lambda list unavailable") results)))
- (pprint-logical-block (*standard-output* nil)
- (let ((x (nreverse (mapcar #'ensure-printable-object results))))
- (format t "(~@<~S~{ ~_~S~}~:>)" (first x) (rest x))))
- (when (sb!di:debug-fun-kind d-fun)
+ (push (make-unprintable-object "lambda list unavailable")
+ reversed-args)))
+
+ (pprint-logical-block (*standard-output* nil :prefix "(" :suffix ")")
+ (let ((args (nreverse (mapcar #'ensure-printable-object reversed-args))))
+ ;; Since we go to some trouble to make nice informative function
+ ;; names like (PRINT-OBJECT :AROUND (CLOWN T)), let's make sure
+ ;; that they aren't truncated by *PRINT-LENGTH* and *PRINT-LEVEL*.
+ (let ((*print-length* nil)
+ (*print-level* nil))
+ (prin1 (ensure-printable-object (sb!di:debug-fun-name debug-fun))))
+ ;; For the function arguments, we can just print normally.
+ (format t "~{ ~_~S~}" args)))
+
+ (when (sb!di:debug-fun-kind debug-fun)
(write-char #\[)
- (prin1 (sb!di:debug-fun-kind d-fun))
+ (prin1 (sb!di:debug-fun-kind debug-fun))
(write-char #\]))))
(defun ensure-printable-object (object)
;; the program. WITH-STANDARD-IO-SYNTAX does some of that,
;; but
;; 1. It doesn't affect our internal special variables
- ;; like *CURRENT-LEVEL*.
+ ;; like *CURRENT-LEVEL-IN-PRINT*.
;; 2. It isn't customizable.
;; 3. It doesn't set *PRINT-READABLY* or *PRINT-PRETTY*
;; to the same value as the toplevel default.
;; helpful behavior for a debugger.
;; We try to remedy all these problems with explicit
;; rebindings here.
- (sb!kernel:*current-level* 0)
+ (sb!kernel:*current-level-in-print* 0)
(*print-length* *debug-print-length*)
(*print-level* *debug-print-level*)
(*readtable* *debug-readtable*)
(format *error-output*
"~&(caught ~S trying to print ~S when entering debugger)~%"
(type-of condition)
- '*debug-condition*)))
+ '*debug-condition*)
+ (when (typep condition 'cell-error)
+ ;; what we really want to know when it's e.g. an UNBOUND-VARIABLE:
+ (format *error-output*
+ "~&(CELL-ERROR-NAME = ~S)~%)"
+ (cell-error-name *debug-condition*)))))
;; After the initial error/condition/whatever announcement to
;; *ERROR-OUTPUT*, we become interactive, and should talk on