Function: idlwave-previous-statement

idlwave-previous-statement is an interactive and byte-compiled function defined in idlwave.el.gz.

Signature

(idlwave-previous-statement)

Documentation

Move point to beginning of the previous statement.

Returns t if the current line before moving is the beginning of the first non-comment statement in the file, and nil otherwise.

Key Bindings

Source Code

;; Defined in /usr/src/emacs/lisp/progmodes/idlwave.el.gz
(defun idlwave-previous-statement ()
  "Move point to beginning of the previous statement.
Returns t if the current line before moving is the beginning of
the first non-comment statement in the file, and nil otherwise."
  (interactive)
  (let (first-statement)
    (if (not (= (forward-line -1) 0))
        ;; first line in file
        t
      ;; skip blank lines, label lines, include lines and line comments
      (while (and
              ;; The current statement is the first statement until we
              ;; reach another statement.
              (setq first-statement
                    (or
                     (looking-at idlwave-comment-line-start-skip)
                     (looking-at "[ \t]*$")
                     (looking-at (concat "[ \t]*" idlwave-label "[ \t]*$"))
                     (looking-at "^@")))
              (= (forward-line -1) 0)))
      ;; skip continuation lines
      (while (and
              (save-excursion
                (forward-line -1)
                (idlwave-is-continuation-line))
              (= (forward-line -1) 0)))
      first-statement)))