Function: python-nav--lisp-forward-sexp-safe

python-nav--lisp-forward-sexp-safe is a byte-compiled function defined in python.el.gz.

Signature

(python-nav--lisp-forward-sexp-safe &optional ARG)

Documentation

Safe version of standard forward-sexp.

When at end of sexp (i.e. looking at an opening/closing paren) skips it instead of throwing an error. With positive ARG move forward only one sexp, else move backwards.

Source Code

;; Defined in /usr/src/emacs/lisp/progmodes/python.el.gz
(defun python-nav--lisp-forward-sexp-safe (&optional arg)
  "Safe version of standard `forward-sexp'.
When at end of sexp (i.e. looking at an opening/closing paren)
skips it instead of throwing an error.  With positive ARG move
forward only one sexp, else move backwards."
  (let* ((arg (if (or (not arg) (> arg 0)) 1 -1))
         (paren-regexp
          (if (> arg 0) (python-rx close-paren) (python-rx open-paren)))
         (search-fn
          (if (> arg 0) #'re-search-forward #'re-search-backward)))
    (condition-case nil
        (python-nav--lisp-forward-sexp arg)
      (error
       (while (and (funcall search-fn paren-regexp nil t)
                   (python-syntax-context 'paren)))))))