(read-from-string "#1=[#1#]")
(assert (eq (value res) res))
(assert (= pos 8)))
+;;; much, much, later (in Feb 2007), CSR noticed that the problem
+;;; still exists for funcallable instances.
+(defclass funcallable-box (box sb-mop:funcallable-standard-object) ()
+ (:metaclass sb-mop:funcallable-standard-class))
+(defun read-funcallable-box (stream char)
+ (declare (ignore char))
+ (let ((objects (read-delimited-list #\} stream t)))
+ (unless (= 1 (length objects))
+ (error "Unknown box reader syntax"))
+ (make-instance 'funcallable-box :value (first objects))))
+(set-macro-character #\{ 'read-funcallable-box)
+(set-syntax-from-char #\} #\))
+(multiple-value-bind (res pos)
+ (read-from-string "#1={#1#}")
+ (assert (eq (value res) res))
+ (assert (= pos 8)))
;;; CSR managed to break the #S reader macro in the process of merging
;;; SB-PCL:CLASS and CL:CLASS -- make sure it works
(funcall fun)
(assert (equal '(:ok) (read-from-string "{:ok)"))))
+(with-test (:name bad-recursive-read)
+ ;; This use to signal an unbound-variable error instead.
+ (assert (eq :error
+ (handler-case
+ (with-input-from-string (s "42")
+ (read s t nil t))
+ (reader-error (e)
+ :error)))))
+
+(with-test (:name standard-readtable-modified)
+ (macrolet ((test (form &optional op)
+ `(assert
+ (eq :error
+ (handler-case
+ (progn ,form t)
+ (sb-int:standard-readtable-modified-error (e)
+ ,@(when op
+ `((assert
+ (equal ,op (sb-kernel::standard-readtable-modified-operation e)))))
+ :error))))))
+ (let ((rt *readtable*))
+ (with-standard-io-syntax
+ (let ((srt *readtable*))
+ (test (setf (readtable-case srt) :preserve) '(setf readtable-case))
+ (test (copy-readtable rt srt) 'copy-readtable)
+ (test (set-syntax-from-char #\a #\a srt rt) 'set-syntax-from-char)
+ (test (set-macro-character #\a (constantly t) t srt) 'set-macro-character)
+ (test (make-dispatch-macro-character #\! t srt))
+ (test (set-dispatch-macro-character #\# #\a (constantly t) srt) 'set-dispatch-macro-character))))))
+
+(with-test (:name :reader-package-errors)
+ (flet ((test (string)
+ (handler-case
+ (progn (read-from-string string) :feh)
+ (error (e)
+ (when (and (typep e 'reader-error) (typep e 'package-error))
+ (package-error-package e))))))
+ (assert (equal "NO-SUCH-PKG" (test "no-such-pkg::foo")))
+ (assert (eq (find-package :cl) (test "cl:no-such-sym")))))
+
+;;; THIS SHOULD BE LAST as it frobs the standard readtable
+(with-test (:name set-macro-character-nil)
+ (handler-bind ((sb-int:standard-readtable-modified-error #'continue))
+ (let ((fun (lambda (&rest args) 'ok)))
+ ;; NIL means the standard readtable.
+ (assert (eq t (set-macro-character #\~ fun nil nil)))
+ (assert (eq fun (get-macro-character #\~ nil)))
+ (assert (eq t (set-dispatch-macro-character #\# #\~ fun nil)))
+ (assert (eq fun (get-dispatch-macro-character #\# #\~ nil))))))
+
;;; success