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| author | Noam Postavsky <npostavs@gmail.com> | 2018-03-17 21:14:11 -0400 |
|---|---|---|
| committer | Noam Postavsky <npostavs@gmail.com> | 2018-10-25 17:55:49 -0400 |
| commit | 92de44fa1fdeda74a9b8254f968829df4c957da0 (patch) | |
| tree | 2c6c352dbc0384b58f9ad927ad195a023b9492d4 /lisp/emacs-lisp/lisp-mode.el | |
| parent | c3adbc88a00f2c8fa773d46bfcf4571c9ebde8fb (diff) | |
| download | emacs-92de44fa1fdeda74a9b8254f968829df4c957da0.tar.gz emacs-92de44fa1fdeda74a9b8254f968829df4c957da0.tar.bz2 emacs-92de44fa1fdeda74a9b8254f968829df4c957da0.zip | |
Don't error when indenting malformed Lisp (Bug#30891)
* lisp/emacs-lisp/lisp-mode.el (lisp-indent-calc-next): If we run out
of indent stack, reset the parse state.
Diffstat (limited to 'lisp/emacs-lisp/lisp-mode.el')
| -rw-r--r-- | lisp/emacs-lisp/lisp-mode.el | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lisp/emacs-lisp/lisp-mode.el b/lisp/emacs-lisp/lisp-mode.el index 205c810b978..13ad06e4aee 100644 --- a/lisp/emacs-lisp/lisp-mode.el +++ b/lisp/emacs-lisp/lisp-mode.el @@ -827,6 +827,10 @@ by more than one line to cross a string literal." (prog1 (let (indent) (cond ((= (forward-line 1) 1) nil) + ;; Negative depth, probably some kind of syntax error. + ((null indent-stack) + ;; Reset state. + (setq ppss (parse-partial-sexp (point) (point)))) ((car indent-stack)) ((integerp (setq indent (calculate-lisp-indent ppss))) (setf (car indent-stack) indent)) |