(initial-offset (logand csp (1- bytes-per-scrub-unit)))
(end-of-stack
(- (sap-int (sb!di::descriptor-sap sb!vm:*control-stack-end*))
- sb!c:*backend-page-bytes*)))
+ (* 2 sb!c:*backend-page-bytes*))))
(labels
((scrub (ptr offset count)
(declare (type system-area-pointer ptr)
#!+stack-grows-downward-not-upward
(let* ((csp (sap-int (sb!c::control-stack-pointer-sap)))
- (end-of-stack (+ (sap-int (sb!di::descriptor-sap sb!vm:*control-stack-start*))
- sb!c:*backend-page-bytes*))
+ (end-of-stack (+ (sap-int
+ (sb!di::descriptor-sap sb!vm:*control-stack-start*))
+ (* 2 sb!c:*backend-page-bytes*)))
(initial-offset (logand csp (1- bytes-per-scrub-unit))))
(labels
((scrub (ptr offset count)
(defvar +++ nil #!+sb-doc "the previous value of ++")
(defvar - nil #!+sb-doc "the form currently being evaluated")
-(defun interactive-eval (form)
+(defun interactive-eval (form &key (eval #'eval))
#!+sb-doc
"Evaluate FORM, returning whatever it returns and adjusting ***, **, *,
+++, ++, +, ///, //, /, and -."
(setf - form)
(unwind-protect
- (let ((results (multiple-value-list (eval form))))
+ (let ((results (multiple-value-list (funcall eval form))))
(setf /// //
// /
/ results
t))
(defun process-script (script)
- (let ((pathname (native-pathname script))
- (ok nil))
- (unwind-protect
- (with-open-file (f pathname :element-type :default)
- (maybe-skip-shebang-line f)
- (load f :verbose nil :print nil)
- (setf ok t))
- (quit :unix-status (if ok 0 1)))))
+ (let ((pathname (native-pathname script)))
+ (handling-end-of-the-world
+ (with-open-file (f pathname :element-type :default)
+ (maybe-skip-shebang-line f)
+ (load f :verbose nil :print nil)
+ (quit)))))
;; Errors while processing the command line cause the system to QUIT,
;; instead of trying to go into the Lisp debugger, because trying to
(with-simple-restart
(abort "~@<Exit debugger, returning to top level.~@:>")
(catch 'toplevel-catcher
- #!-win32 (sb!unix::reset-signal-mask)
;; In the event of a control-stack-exhausted-error, we
;; should have unwound enough stack by the time we get
;; here that this is now possible.