;;;; This file is for testing debugging functionality, using
-;;;; test machinery which might have side effects (e.g.
+;;;; test machinery which might have side effects (e.g.
;;;; executing DEFUN).
;;;; This software is part of the SBCL system. See the README file for
;;;; While most of SBCL is derived from the CMU CL system, the test
;;;; files (like this one) were written from scratch after the fork
;;;; from CMU CL.
-;;;;
+;;;;
;;;; This software is in the public domain and is provided with
;;;; absolutely no warranty. See the COPYING and CREDITS files for
;;;; more information.
(#.sb-vm:simple-fun-header-widetag
(sb-kernel:%simple-fun-arglist fun))
(#.sb-vm:closure-header-widetag (get-arglist
- (sb-kernel:%closure-fun fun)))
+ (sb-kernel:%closure-fun fun)))
;; In code/describe.lisp, ll. 227 (%describe-fun), we use a scheme
;; like above, and it seems to work. -- MNA 2001-06-12
;;
;;; and hasn't been cut off anywhere.
(defun verify-backtrace (test-function frame-specs &key (allow-stunted nil))
(labels ((args-equal (want real)
- (cond ((endp want)
- (endp real))
- ((eq '&rest (car want))
+ (cond ((eq '&rest (car want))
t)
+ ((endp want)
+ (endp real))
((or (eq '? (car want)) (equal (car want) (car real)))
(args-equal (cdr want) (cdr real)))
(t
(sb-debug:backtrace-as-list)
:key #'car
:test #'equal))))
-
+
(setf result condition)
-
+
(unless backtrace
(print :missing-backtrace)
(setf result nil))
-
+
;; check that we have all the frames we wanted
- (mapcar
+ (mapcar
(lambda (spec frame)
(unless (or (not spec)
(and (equal (car spec) (car frame))
- (args-equal (cdr spec)
+ (args-equal (cdr spec)
(cdr frame))))
(print (list :mismatch spec frame))
(setf result nil)))
frame-specs
backtrace)
-
+
;; Make sure the backtrace isn't stunted in
;; any way. (Depends on running in the main
;; thread.)
(let ((end (last backtrace 2)))
- (unless (equal (caar end)
+ (unless (equal (caar end)
(if *show-entry-point-details*
'(sb-c::tl-xep sb-impl::toplevel-init)
'sb-impl::toplevel-init))
(lambda () (test #'optimized))
(list *undefined-function-frame*
(list '(flet test) #'optimized))))
-
- (assert (verify-backtrace
+
+ ;; bug 353: This test fails at least most of the time for x86/linux
+ ;; ca. 0.8.20.16. -- WHN
+ #-(and x86 linux)
+ (assert (verify-backtrace
(lambda () (test #'not-optimized))
(list *undefined-function-frame*
(list '(flet not-optimized))
(declare (optimize (speed 1) (debug 2))) ; no tail call elimination
(funcall fun)))
(assert (verify-backtrace (lambda () (test #'optimized))
- (list '(/ 42 &rest)
+ (list '(/ 42 &rest)
(list '(flet test) #'optimized))))
(assert (verify-backtrace (lambda () (test #'not-optimized))
(list '(/ 42 &rest)
'((flet not-optimized))
(list '(flet test) #'not-optimized)))))
-#-(or alpha) ; bug 61
+#-(or alpha (and x86 linux)) ; bug 61
(progn
(defun throw-test ()
(throw 'no-such-tag t))
(defun oops ()
(error "oops"))
-(defun bt.1 (&key key)
+(defmacro defbt (n ll &body body)
+ `(progn
+ ;; normal debug info
+ (defun ,(intern (format nil "BT.~A.1" n)) ,ll
+ ,@body)
+ ;; no arguments saved
+ (defun ,(intern (format nil "BT.~A.2" n)) ,ll
+ (declare (optimize (debug 1) (speed 3)))
+ ,@body)
+ ;; no lambda-list saved
+ (defun ,(intern (format nil "BT.~A.3" n)) ,ll
+ (declare (optimize (debug 0)))
+ ,@body)))
+
+(defbt 1 (&key key)
(list key))
-(defun bt.2 (x)
+(defbt 2 (x)
(list x))
-(defun bt.3 (&key (key (oops)))
+(defbt 3 (&key (key (oops)))
(list key))
;;; ERROR instead of OOPS so that tail call elimination doesn't happen
-(defun bt.4 (&optional opt)
+(defbt 4 (&optional opt)
(list (error "error")))
-(defun bt.5 (&optional (opt (oops)))
+(defbt 5 (&optional (opt (oops)))
(list opt))
+#-(and x86 linux)
(macrolet ((with-details (bool &body body)
`(let ((sb-debug:*show-entry-point-details* ,bool))
,@body)))
- ;; &MORE-PROCESSOR
+ ;; TL-XEP
+ (print :tl-xep)
(with-details t
- (assert (verify-backtrace (lambda () (bt.1 :key))
- '(((sb-c::&more-processor bt.1) &rest)))))
+ (assert (verify-backtrace #'namestring
+ '(((sb-c::tl-xep namestring) 0 ?)))))
(with-details nil
- (assert (verify-backtrace (lambda () (bt.1 :key))
- '((bt.1 :key)))))
+ (assert (verify-backtrace #'namestring
+ '((namestring)))))
- ;; XEP
+
+ ;; &MORE-PROCESSOR
(with-details t
- (assert (verify-backtrace #'bt.2
- '(((sb-c::xep bt.2) 0 ?)))))
+ (assert (verify-backtrace (lambda () (bt.1.1 :key))
+ '(((sb-c::&more-processor bt.1.1) &rest))))
+ (assert (verify-backtrace (lambda () (bt.1.2 :key))
+ '(((sb-c::&more-processor bt.1.2) &rest))))
+ (assert (verify-backtrace (lambda () (bt.1.3 :key))
+ '(((sb-c::&more-processor bt.1.3) &rest)))))
(with-details nil
- (assert (verify-backtrace #'bt.2
- '((bt.2)))))
+ (assert (verify-backtrace (lambda () (bt.1.1 :key))
+ '((bt.1.1 :key))))
+ (assert (verify-backtrace (lambda () (bt.1.2 :key))
+ '((bt.1.2 &rest))))
+ (assert (verify-backtrace (lambda () (bt.1.3 :key))
+ '((bt.1.3 &rest)))))
- ;; TL-XEP
+ ;; XEP
+ (print :xep)
(with-details t
- (assert (verify-backtrace #'namestring
- '(((sb-c::tl-xep namestring) 0 ?)))))
+ (assert (verify-backtrace #'bt.2.1
+ '(((sb-c::xep bt.2.1) 0 ?))))
+ (assert (verify-backtrace #'bt.2.2
+ '(((sb-c::xep bt.2.2) &rest))))
+ (assert (verify-backtrace #'bt.2.3
+ '(((sb-c::xep bt.2.3) &rest)))))
(with-details nil
- (assert (verify-backtrace #'namestring
- '((namestring)))))
+ (assert (verify-backtrace #'bt.2.1
+ '((bt.2.1))))
+ (assert (verify-backtrace #'bt.2.2
+ '((bt.2.2 &rest))))
+ (assert (verify-backtrace #'bt.2.3
+ '((bt.2.3 &rest)))))
;; VARARGS-ENTRY
+ (print :varargs-entry)
(with-details t
- (assert (verify-backtrace #'bt.3
- '(((sb-c::varargs-entry bt.3) :key nil)))))
+ (assert (verify-backtrace #'bt.3.1
+ '(((sb-c::varargs-entry bt.3.1) :key nil))))
+ (assert (verify-backtrace #'bt.3.2
+ '(((sb-c::varargs-entry bt.3.2) :key ?))))
+ (assert (verify-backtrace #'bt.3.3
+ '(((sb-c::varargs-entry bt.3.3) &rest)))))
(with-details nil
- (assert (verify-backtrace #'bt.3
- '((bt.3 :key nil)))))
+ (assert (verify-backtrace #'bt.3.1
+ '((bt.3.1 :key nil))))
+ (assert (verify-backtrace #'bt.3.2
+ '((bt.3.2 :key ?))))
+ (assert (verify-backtrace #'bt.3.3
+ '((bt.3.3 &rest)))))
;; HAIRY-ARG-PROCESSOR
+ (print :hairy-args-processor)
(with-details t
- (assert (verify-backtrace #'bt.4
- '(((sb-c::hairy-arg-processor bt.4) ?)))))
+ (assert (verify-backtrace #'bt.4.1
+ '(((sb-c::hairy-arg-processor bt.4.1) ?))))
+ (assert (verify-backtrace #'bt.4.2
+ '(((sb-c::hairy-arg-processor bt.4.2) ?))))
+ (assert (verify-backtrace #'bt.4.3
+ '(((sb-c::hairy-arg-processor bt.4.3) &rest)))))
(with-details nil
- (assert (verify-backtrace #'bt.4
- '((bt.4 ?)))))
+ (assert (verify-backtrace #'bt.4.1
+ '((bt.4.1 ?))))
+ (assert (verify-backtrace #'bt.4.2
+ '((bt.4.2 ?))))
+ (assert (verify-backtrace #'bt.4.3
+ '((bt.4.3 &rest)))))
;; &OPTIONAL-PROCESSOR
+ (print :optional-processor)
(with-details t
- (assert (verify-backtrace #'bt.5
- '(((sb-c::&optional-processor bt.5))))))
+ (assert (verify-backtrace #'bt.5.1
+ '(((sb-c::&optional-processor bt.5.1)))))
+ (assert (verify-backtrace #'bt.5.2
+ '(((sb-c::&optional-processor bt.5.2) &rest))))
+ (assert (verify-backtrace #'bt.5.3
+ '(((sb-c::&optional-processor bt.5.3) &rest)))))
(with-details nil
- (assert (verify-backtrace #'bt.5
- '((bt.5))))))
+ (assert (verify-backtrace #'bt.5.1
+ '((bt.5.1))))
+ (assert (verify-backtrace #'bt.5.2
+ '((bt.5.2 &rest))))
+ (assert (verify-backtrace #'bt.5.3
+ '((bt.5.3 &rest))))))
+
+;;;; test TRACE
+
+(defun trace-this ()
+ 'ok)
+
+(let ((out (with-output-to-string (*trace-output*)
+ (trace trace-this)
+ (assert (eq 'ok (trace-this)))
+ (untrace))))
+ (assert (search "TRACE-THIS" out))
+ (assert (search "returned OK" out)))
+
+#-(and ppc darwin)
+;;; bug 379
+(let ((out (with-output-to-string (*trace-output*)
+ (trace trace-this :encapsulate nil)
+ (assert (eq 'ok (trace-this)))
+ (untrace))))
+ (assert (search "TRACE-THIS" out))
+ (assert (search "returned OK" out)))
+
+;;;; test infinite error protection
+
+(defmacro nest-errors (n-levels error-form)
+ (if (< 0 n-levels)
+ `(handler-bind ((error (lambda (condition)
+ (declare (ignore condition))
+ ,error-form)))
+ (nest-errors ,(1- n-levels) ,error-form))
+ error-form))
+
+(defun erroring-debugger-hook (condition old-debugger-hook)
+ (let ((*debugger-hook* old-debugger-hook))
+ (format t "recursive condition: ~A~%" condition) (force-output)
+ (error "recursive condition: ~A" condition)))
+
+(defun test-inifinite-error-protection ()
+ ;; after 50 successful throws to SB-IMPL::TOPLEVEL-CATCHER sbcl used
+ ;; to halt, it produces so much garbage that's hard to suppress that
+ ;; it is tested only once
+ (let ((*debugger-hook* #'erroring-debugger-hook))
+ (loop repeat 1 do
+ (let ((error-counter 0)
+ (*terminal-io* (make-broadcast-stream)))
+ (assert
+ (not (eq
+ :normal-exit
+ (catch 'sb-impl::toplevel-catcher
+ (nest-errors 20 (error "infinite error ~s"
+ (incf error-counter)))
+ :normal-exit))))))))
+
+(test-inifinite-error-protection)
+
+#+sb-thread
+(let ((thread (sb-thread:make-thread #'test-inifinite-error-protection)))
+ (loop while (sb-thread:thread-alive-p thread)))
;;; success
(quit :unix-status 104)
projects / sbcl.git / blobdiff