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| author | Noam Postavsky <npostavs@gmail.com> | 2018-04-14 01:02:25 -0400 |
|---|---|---|
| committer | Noam Postavsky <npostavs@gmail.com> | 2018-06-03 12:48:13 -0400 |
| commit | 9552485c4d471a02cd3973d4458d8513a81f9c85 (patch) | |
| tree | f90b987879836292f5624921a22a994a88b849fd /lisp/emacs-lisp | |
| parent | 4c6cdf6fc9ce8a3309948228995b0ea88704c274 (diff) | |
| download | emacs-9552485c4d471a02cd3973d4458d8513a81f9c85.tar.gz emacs-9552485c4d471a02cd3973d4458d8513a81f9c85.tar.bz2 emacs-9552485c4d471a02cd3973d4458d8513a81f9c85.zip | |
Fix cl-print for circular sublists (Bug#31146)
* lisp/emacs-lisp/cl-print.el (cl-print-object) <cons>: Push each
element of list being printed onto cl-print--currently-printing.
* test/lisp/emacs-lisp/cl-print-tests.el (cl-print-circle-2): New
test.
(cherry picked from commit b8aa7ecf54c9b164a59f1b0e9f9fe90531dadd20)
Diffstat (limited to 'lisp/emacs-lisp')
| -rw-r--r-- | lisp/emacs-lisp/cl-print.el | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lisp/emacs-lisp/cl-print.el b/lisp/emacs-lisp/cl-print.el index de41d826713..7c0e81c9349 100644 --- a/lisp/emacs-lisp/cl-print.el +++ b/lisp/emacs-lisp/cl-print.el @@ -62,9 +62,12 @@ call other entry points instead, such as `cl-prin1'." (princ "(" stream) (cl-print-object car stream) (while (and (consp object) - (not (if cl-print--number-table - (numberp (gethash object cl-print--number-table)) - (memq object cl-print--currently-printing)))) + (not (cond + (cl-print--number-table + (numberp (gethash object cl-print--number-table))) + ((memq object cl-print--currently-printing)) + (t (push object cl-print--currently-printing) + nil)))) (princ " " stream) (cl-print-object (pop object) stream)) (when object |