;; Todo:
-;; * Tidy it all up! (including renaming non-`fortran' prefixed
-;; functions).
+;; * Tidy it all up!
;; * Implement insertion and removal of statement continuations in
;; mixed f77/f90 style, with the first `&' past column 72 and the
;; second in column 6.
;; * Support any other extensions to f77 grokked by GNU Fortran.
-;; * Change fontification to use font-lock-syntactic-keywords for
-;; fixed-form comments. (Done, but doesn't work properly with
-;; lazy-lock in pre-20.4.)
(require 'easymenu)
:group 'fortran-indent
:group 'fortran-comment)
-(defcustom comment-line-start nil
+(defcustom fortran-comment-line-start nil
"*Delimiter inserted to start new full-line comment."
+ :version "21.1"
:type '(choice string (const nil))
:group 'fortran-comment)
-(defcustom comment-line-start-skip nil
+(defcustom fortran-comment-line-start-skip nil
"*Regexp to match the start of a full-line comment."
+ :version "21.1"
:type '(choice string (const nil))
:group 'fortran-comment)
(eval-when-compile
(regexp-opt '("and" "or" "not" "lt" "le" "eq" "ge" "gt" "ne"
"true" "false")))))
-
(setq fortran-font-lock-syntactic-keywords
;; Fixed format comments. (!-style handled normally.)
(list
(list (concat "^[^" comment-chars "\t\n]" (make-string 71 ?.)
"\\([^\n]+\\)")
1 '(11))))
-
(setq fortran-font-lock-keywords-1
(list
- ;;
;; Program, subroutine and function declarations, plus calls.
(list (concat "\\<\\(block[ \t]*data\\|call\\|entry\\|function\\|"
"program\\|subroutine\\)\\>[ \t]*\\(\\sw+\\)?")
'(1 font-lock-keyword-face)
'(2 font-lock-function-name-face nil t))))
-
(setq fortran-font-lock-keywords-2
(append fortran-font-lock-keywords-1
(list
- ;;
;; Fontify all type specifiers (must be first; see below).
(cons (concat "\\<\\(" fortran-type-types "\\)\\>")
'font-lock-type-face)
- ;;
;; Fontify all builtin keywords (except logical, do
;; and goto; see below).
(concat "\\<\\(" fortran-keywords "\\)\\>")
- ;;
;; Fontify all builtin operators.
(concat "\\.\\(" fortran-logicals "\\)\\.")
- ;;
;; Fontify do/goto keywords and targets, and goto tags.
(list "\\<\\(do\\|go *to\\)\\>[ \t]*\\([0-9]+\\)?"
'(1 font-lock-keyword-face)
'(2 font-lock-constant-face nil t))
(cons "^ *\\([0-9]+\\)" 'font-lock-constant-face))))
-
(setq fortran-font-lock-keywords-3
(append
- ;;
;; The list `fortran-font-lock-keywords-1'.
fortran-font-lock-keywords-1
- ;;
;; Fontify all type specifiers plus their declared items.
(list
(list (concat "\\<\\(" fortran-type-types "\\)\\>[ \t(/]*\\(*\\)?")
;; Fontify as a variable name, functions are
;; fontified elsewhere.
(1 font-lock-variable-name-face nil t))))
- ;;
;; Things extra to `fortran-font-lock-keywords-3'
;; (must be done first).
(list
- ;;
;; Fontify goto-like `err=label'/`end=label' in read/write
;; statements.
'(", *\\(e\\(nd\\|rr\\)\\)\\> *\\(= *\\([0-9]+\\)\\)?"
(1 font-lock-keyword-face) (4 font-lock-constant-face nil t))
- ;;
;; Highlight standard continuation character and in a
;; TAB-formatted line.
'("^ \\([^ 0]\\)" 1 font-lock-string-face)
'("^\t\\([1-9]\\)" 1 font-lock-string-face))
- ;;
;; The list `fortran-font-lock-keywords-2' less that for types
;; (see above).
(cdr (nthcdr (length fortran-font-lock-keywords-1)
(setq fortran-mode-map (make-sparse-keymap))
(define-key fortran-mode-map ";" 'fortran-abbrev-start)
(define-key fortran-mode-map "\C-c;" 'fortran-comment-region)
- (define-key fortran-mode-map "\M-\C-a" 'beginning-of-fortran-subprogram)
- (define-key fortran-mode-map "\M-\C-e" 'end-of-fortran-subprogram)
+ (define-key fortran-mode-map "\M-\C-a" 'fortran-beginning-of-subprogram)
+ (define-key fortran-mode-map "\M-\C-e" 'fortran-end-of-subprogram)
(define-key fortran-mode-map "\M-;" 'fortran-indent-comment)
- (define-key fortran-mode-map "\M-\C-h" 'mark-fortran-subprogram)
+ (define-key fortran-mode-map "\M-\C-h" 'fortran-mark-subprogram)
(define-key fortran-mode-map "\M-\n" 'fortran-split-line)
(define-key fortran-mode-map "\n" 'fortran-indent-new-line)
(define-key fortran-mode-map "\M-\C-q" 'fortran-indent-subprogram)
(unless (boundp 'fortran-mode-menu)
(easy-menu-define
fortran-mode-menu fortran-mode-map ""
- '("Fortran"
+ `("Fortran"
+ ["Manual" (info "(emacs)Fortran")]
+ ,(customize-menu-create 'fortran)
+ ["Set" Custom-set t]
+ ["Save" Custom-save t]
+ ["Reset to Current" Custom-reset-current t]
+ ["Reset to Saved" Custom-reset-saved t]
+ ["Reset to Standard Settings" Custom-reset-standard t]
+ "----"
["Toggle Auto-fill" fortran-auto-fill-mode :style toggle
:selected (eq auto-fill-function 'fortran-do-auto-fill)]
["Toggle abbrev-mode" abbrev-mode :style toggle :selected abbrev-mode]
["Indent Region" indent-region mark-active]
["Indent Subprogram" fortran-indent-subprogram t]
"----"
- ["Beginning of Subprogram" beginning-of-fortran-subprogram t]
- ["End of Subprogram" end-of-fortran-subprogram t]
+ ["Beginning of Subprogram" fortran-beginning-of-subprogram t]
+ ["End of Subprogram" fortran-end-of-subprogram t]
("Mark"
- ["Subprogram" mark-fortran-subprogram t]
+ ["Subprogram" fortran-mark-subprogram t]
["IF Block" fortran-mark-if t]
["DO Block" fortran-mark-do t])
["Narrow to Subprogram" fortran-narrow-to-subprogram t]
["Fill Statement/Comment" fill-paragraph t]
"----"
["Add imenu menu"
- (progn (imenu-add-menubar-index)
- ;; Prod menu bar to update -- is this the right way?
- (menu-bar-mode 1))
- (not (and (boundp 'imenu--index-alist)
- imenu--index-alist))]))))
+ imenu-add-menubar-index (not (and (boundp 'imenu--index-alist)
+ imenu--index-alist))]))))
\f
(defvar fortran-mode-abbrev-table nil)
(if fortran-mode-abbrev-table
(defvar imenu-case-fold-search)
(defvar imenu-syntax-alist))
+(defcustom fortran-mode-hook nil
+ "Hook run by Fortran mode."
+ :type 'hook
+ :group 'fortran)
+
;;;###autoload
(defun fortran-mode ()
"Major mode for editing Fortran code.
Non-nil causes line number digits to be moved to the correct column
as typed. (default t)
`fortran-break-before-delimiters'
- Non-nil causes `fortran-fill' to break lines before delimiters.
+ Non-nil causes lines to be broken before delimiters.
(default t)
Turning on Fortran mode calls the value of the variable `fortran-mode-hook'
fortran-font-lock-keywords-2
fortran-font-lock-keywords-3)
nil t ((?/ . "$/") ("_$" . "w"))
- beginning-of-fortran-subprogram))
+ fortran-beginning-of-subprogram))
(set (make-local-variable 'font-lock-syntactic-keywords)
fortran-font-lock-syntactic-keywords)
(make-local-variable 'fortran-break-before-delimiters)
(make-local-variable 'indent-line-function)
(setq indent-line-function 'fortran-indent-line)
(make-local-variable 'comment-indent-function)
- (setq comment-indent-function 'fortran-comment-hook)
- (make-local-variable 'comment-line-start-skip)
- (setq comment-line-start-skip
+ (setq comment-indent-function 'fortran-comment-indent-function)
+ (make-local-variable 'fortran-comment-line-start-skip)
+ (setq fortran-comment-line-start-skip
"^[Cc*]\\(\\([^ \t\n]\\)\\2\\2*\\)?[ \t]*\\|^#.*")
- (make-local-variable 'comment-line-start)
- (setq comment-line-start "c")
+ (make-local-variable 'fortran-comment-line-start)
+ (setq fortran-comment-line-start "c")
(make-local-variable 'comment-start-skip)
(setq comment-start-skip "![ \t]*")
(make-local-variable 'comment-start)
(indent-region start end nil))))
(run-hooks 'fortran-mode-hook))
\f
-(defun fortran-comment-hook ()
+(defun fortran-comment-indent-function ()
(save-excursion
(skip-chars-backward " \t")
(max (+ 1 (current-column))
(interactive)
(beginning-of-line)
;; Recognize existing comments of either kind.
- (cond ((looking-at comment-line-start-skip)
+ (cond ((looking-at fortran-comment-line-start-skip)
(fortran-indent-line))
((fortran-find-comment-start-skip) ; catches any inline comment and
; leaves point after comment-start-skip
(if comment-start-skip
(progn (goto-char (match-beginning 0))
- (if (not (= (current-column) (fortran-comment-hook)))
+ (if (not (= (current-column) (fortran-comment-indent-function)))
(progn (delete-horizontal-space)
- (indent-to (fortran-comment-hook)))))
+ (indent-to (fortran-comment-indent-function)))))
(end-of-line))) ; otherwise goto end of line or sth else?
;; No existing comment.
;; If side-by-side comments are defined, insert one,
((and comment-start (not (looking-at "^[ \t]*$")))
(end-of-line)
(delete-horizontal-space)
- (indent-to (fortran-comment-hook))
+ (indent-to (fortran-comment-indent-function))
(insert comment-start))
;; Else insert separate-line comment, making a new line if nec.
(t
(if (looking-at "^[ \t]*$")
(delete-horizontal-space)
(beginning-of-line)
- (insert "\n")
+ (insert ?\n)
(forward-char -1))
- (insert comment-line-start)
+ (insert fortran-comment-line-start)
(insert-char (if (stringp fortran-comment-indent-char)
(aref fortran-comment-indent-char 0)
fortran-comment-indent-char)
"Break line at point and insert continuation marker and alignment."
(interactive)
(delete-horizontal-space)
- (if (save-excursion (beginning-of-line) (looking-at comment-line-start-skip))
- (insert "\n" comment-line-start " ")
+ (if (save-excursion
+ (beginning-of-line)
+ (looking-at fortran-comment-line-start-skip))
+ (insert ?\n fortran-comment-line-start ? )
(if indent-tabs-mode
- (insert "\n\t" (fortran-numerical-continuation-char))
+ (insert ?\n ?\t (fortran-numerical-continuation-char))
(insert "\n " fortran-continuation-string))) ; Space after \n important
(fortran-indent-line)) ; when the cont string is C, c or *.
(+ ?1 (% (- (char-after (+ (point) 1)) ?0) 9))
?1)))
-(defun delete-horizontal-regexp (chars)
- "Delete all characters in CHARS around point.
-CHARS is like the inside of a [...] in a regular expression
-except that ] is never special and \ quotes ^, - or \."
- (interactive "*s")
- (skip-chars-backward chars)
- (delete-region (point) (progn (skip-chars-forward chars) (point))))
-
(put 'fortran-electric-line-number 'delete-selection t)
(defun fortran-electric-line-number (arg)
"Self insert, but if part of a Fortran line number indent it automatically.
(if (or (and (= 5 (current-column))
(save-excursion
(beginning-of-line)
- (looking-at " ")));In col 5 with only spaces to left.
+ (looking-at " "))) ;In col 5 with only spaces to left.
(and (= (if indent-tabs-mode
fortran-minimum-statement-indent-tab
fortran-minimum-statement-indent-fixed) (current-column))
- (save-excursion
- (beginning-of-line)
- (looking-at "\t"));In col 8 with a single tab to the left.
+ (eq ?\t (char-after (line-beginning-position))) ;In col 8
+ ; with a single tab to the left.
(not (or (eq last-command 'fortran-indent-line)
(eq last-command
'fortran-indent-new-line))))
(save-excursion
(re-search-backward "[^ \t0-9]"
- (save-excursion
- (beginning-of-line)
- (point))
+ (line-beginning-position)
t)) ;not a line number
(looking-at "[0-9]")) ;within a line number
(self-insert-command (prefix-numeric-value arg))
;; Note that you can't just check backwards for `subroutine' &c in
;; case of un-marked main programs not at the start of the file.
-(defun beginning-of-fortran-subprogram ()
+(defun fortran-beginning-of-subprogram ()
"Moves point to the beginning of the current Fortran subprogram."
(interactive)
(save-match-data
(throw 'ok t))))
(forward-line)))))
-(defun end-of-fortran-subprogram ()
+(defun fortran-end-of-subprogram ()
"Moves point to the end of the current Fortran subprogram."
(interactive)
(save-match-data
(goto-char (match-beginning 0))
(forward-line)))))
-(defun mark-fortran-subprogram ()
+(defun fortran-mark-subprogram ()
"Put mark at end of Fortran subprogram, point at beginning.
The marks are pushed."
(interactive)
- (end-of-fortran-subprogram)
+ (fortran-end-of-subprogram)
(push-mark (point) nil t)
- (beginning-of-fortran-subprogram))
+ (fortran-beginning-of-subprogram))
(defun fortran-previous-statement ()
"Moves point to beginning of the previous Fortran statement.
(beginning-of-line)
(setq continue-test
(and
- (not (looking-at comment-line-start-skip))
+ (not (looking-at fortran-comment-line-start-skip))
(or (looking-at
(concat "[ \t]*" (regexp-quote fortran-continuation-string)))
- (or (looking-at " [^ 0\n]")
- (looking-at "\t[1-9]")))))
+ (looking-at " [^ 0\n]\\|\t[1-9]"))))
(while (and (setq not-first-statement (= (forward-line -1) 0))
- (or (looking-at comment-line-start-skip)
- (looking-at "[ \t]*$")
- (looking-at " [^ 0\n]")
- (looking-at "\t[1-9]")
+ (or (looking-at fortran-comment-line-start-skip)
+ (looking-at "[ \t]*$\\| [^ 0\n]\\|\t[1-9]")
(looking-at (concat "[ \t]*" comment-start-skip)))))
(cond ((and continue-test
(not not-first-statement))
(while (and (setq not-last-statement
(and (= (forward-line 1) 0)
(not (eobp))))
- (or (looking-at comment-line-start-skip)
- (looking-at "[ \t]*$")
- (looking-at " [^ 0\n]")
- (looking-at "\t[1-9]")
+ (or (looking-at fortran-comment-line-start-skip)
+ (looking-at "[ \t]*$\\| [^ 0\n]\\|\t[1-9]")
(looking-at (concat "[ \t]*" comment-start-skip)))))
(if (not not-last-statement)
'last-statement)))
The subprogram visible is the one that contains or follows point."
(interactive)
(save-excursion
- (mark-fortran-subprogram)
+ (fortran-mark-subprogram)
(narrow-to-region (point) (mark))))
(defmacro fortran-with-subprogram-narrowing (&rest forms)
`(save-restriction
(save-excursion
(narrow-to-region (progn
- (beginning-of-fortran-subprogram)
+ (fortran-beginning-of-subprogram)
(point))
(progn
- (end-of-fortran-subprogram)
+ (fortran-end-of-subprogram)
(point))))
,@forms))
\f
-(defun fortran-blink-matching-if ()
- "From an ENDIF statement, blink the matching IF statement."
+(defun fortran-blink-match (regex keyword find-begin)
+ "From a line matching REGEX, blink matching KEYWORD statement line.
+Use function FIND-BEGIN to match it."
(let ((top-of-window (window-start))
- (endif-point (point))
+ (end-point (point))
(case-fold-search t)
- matching-if
+ matching
message)
- (if (save-excursion (beginning-of-line)
- (skip-chars-forward " \t0-9")
- (looking-at "e\\(nd[ \t]*if\\|lse\\([ \t]*if\\)?\\)\\b"))
+ (if (save-excursion
+ (beginning-of-line)
+ (skip-chars-forward " \t0-9")
+ (looking-at regex))
(progn
- (if (not (setq matching-if (fortran-beginning-if)))
- (setq message "No matching if.")
- (if (< matching-if top-of-window)
+ (if (not (setq matching (funcall find-begin)))
+ (setq message (concat "No matching " keyword "."))
+ (if (< matching top-of-window)
(save-excursion
- (goto-char matching-if)
+ (goto-char matching)
(beginning-of-line)
(setq message
(concat "Matches "
- (buffer-substring
- (point) (progn (end-of-line) (point))))))))
+ (buffer-substring (point)
+ (line-end-position)))))))
(if message
(message "%s" message)
- (goto-char matching-if)
+ (goto-char matching)
(sit-for 1)
- (goto-char endif-point))))))
+ (goto-char end-point))))))
+
+(defun fortran-blink-matching-if ()
+ "From an ENDIF or ELSE statement, blink the matching IF statement."
+ (fortran-blink-match "e\\(nd[ \t]*if\\|lse\\([ \t]*if\\)?\\)\\b"
+ "if" #'fortran-beginning-if))
(defun fortran-blink-matching-do ()
"From an ENDDO statement, blink the matching DO or DO WHILE statement."
- ;; This is basically copied from fortran-blink-matching-if.
- (let ((top-of-window (window-start))
- (enddo-point (point))
- (case-fold-search t)
- matching-do
- message)
- (if (save-excursion (beginning-of-line)
- (skip-chars-forward " \t0-9")
- (looking-at "end[ \t]*do\\b"))
- (progn
- (if (not (setq matching-do (fortran-beginning-do)))
- (setq message "No matching do.")
- (if (< matching-do top-of-window)
- (save-excursion
- (goto-char matching-do)
- (beginning-of-line)
- (setq message
- (concat "Matches "
- (buffer-substring
- (point) (progn (end-of-line) (point))))))))
- (if message
- (message "%s" message)
- (goto-char matching-do)
- (sit-for 1)
- (goto-char enddo-point))))))
+ (fortran-blink-match "end[ \t]*do\\b" "do" #'fortran-beginning-do))
(defun fortran-mark-do ()
"Put mark at end of Fortran DO [WHILE]-ENDDO construct, point at beginning.
(if (setq enddo-point (fortran-end-do))
(if (not (setq do-point (fortran-beginning-do)))
(message "No matching do.")
- ;; Set mark, move point.
(goto-char enddo-point)
(push-mark)
(goto-char do-point)))))
;; Search for one.
(save-excursion
(let ((count 1))
- (while (and (not (= count 0))
+ (while (and (not (= count 0))
(not (eq (fortran-next-statement) 'last-statement))
;; Keep local to subprogram
(not (and (looking-at fortran-end-prog-re)
(fortran-check-end-prog-re))))
-
(skip-chars-forward " \t0-9")
(cond ((looking-at "end[ \t]*do\\b")
(setq count (1- count)))
- ((looking-at "\\(\\(\\sw\\|\\s_\\)+:[ \t]*\\)?do[ \t]+[^0-9]")
- (setq count (+ count 1)))))
- (and (= count 0)
+ ((looking-at
+ "\\(\\(\\sw\\|\\s_\\)+:[ \t]*\\)?do[ \t]+[^0-9]")
+ (setq count (+ count 1)))))
+ (and (= count 0)
;; All pairs accounted for.
(point)))))))
"Search backwards for first unmatched DO [WHILE].
Return point or nil."
(let ((case-fold-search t))
- (if (save-excursion (beginning-of-line)
- (skip-chars-forward " \t0-9")
- (looking-at "\\(\\(\\sw\\|\\s_\\)+:[ \t]*\\)?do[ \t]+"))
+ (if (save-excursion
+ (beginning-of-line)
+ (skip-chars-forward " \t0-9")
+ (looking-at "\\(\\(\\sw\\|\\s_\\)+:[ \t]*\\)?do[ \t]+"))
;; Sitting on one.
(match-beginning 0)
;; Search for one.
(save-excursion
(let ((count 1))
- (while (and (not (= count 0))
+ (while (and (not (= count 0))
(not (eq (fortran-previous-statement) 'first-statement))
;; Keep local to subprogram
(not (and (looking-at fortran-end-prog-re)
(fortran-check-end-prog-re))))
-
(skip-chars-forward " \t0-9")
- (cond ((looking-at "\\(\\(\\sw\\|\\s_\\)+:[ \t]*\\)?do[ \t]+[^0-9]")
+ (cond ((looking-at
+ "\\(\\(\\sw\\|\\s_\\)+:[ \t]*\\)?do[ \t]+[^0-9]")
(setq count (1- count)))
((looking-at "end[ \t]*do\\b")
(setq count (1+ count)))))
-
- (and (= count 0)
+ (and (= count 0)
;; All pairs accounted for.
(point)))))))
;; letter on line but this should not cause troubles.
(save-excursion
(let ((count 1))
- (while (and (not (= count 0))
+ (while (and (not (= count 0))
(not (eq (fortran-next-statement) 'last-statement))
;; Keep local to subprogram.
(not (and (looking-at fortran-end-prog-re)
(fortran-check-end-prog-re))))
-
(skip-chars-forward " \t0-9")
(cond ((looking-at "end[ \t]*if\\b")
- (setq count (- count 1)))
-
+ (setq count (- count 1)))
((looking-at fortran-if-start-re)
(save-excursion
(if (or
(looking-at ".*)[ \t]*then\\b[ \t]*[^ \t(=a-z0-9]")
(let (then-test) ; Multi-line if-then.
(while
- (and (= (forward-line 1) 0)
+ (and (= (forward-line 1) 0)
;; Search forward for then.
- (or (looking-at " [^ 0\n]")
- (looking-at "\t[1-9]"))
+ (looking-at " [^ 0\n]\\|\t[1-9]")
(not
(setq then-test
(looking-at
".*then\\b[ \t]*[^ \t(=a-z0-9]")))))
then-test))
- (setq count (+ count 1)))))))
-
- (and (= count 0)
+ (setq count (+ count 1)))))))
+ (and (= count 0)
;; All pairs accounted for.
(point)))))))
Return point or nil."
(let ((case-fold-search t))
(if (save-excursion
- ;; May be sitting on multi-line if-then statement, first move to
- ;; beginning of current statement. Note: `fortran-previous-statement'
- ;; moves to previous statement *unless* current statement is first
- ;; one. Only move forward if not first-statement.
+ ;; May be sitting on multi-line if-then statement, first
+ ;; move to beginning of current statement. Note:
+ ;; `fortran-previous-statement' moves to previous statement
+ ;; *unless* current statement is first one. Only move
+ ;; forward if not first-statement.
(if (not (eq (fortran-previous-statement) 'first-statement))
(fortran-next-statement))
(skip-chars-forward " \t0-9")
(while
(and (= (forward-line 1) 0)
;; Search forward for then.
- (or (looking-at " [^ 0\n]")
- (looking-at "\t[1-9]"))
+ (looking-at " [^ 0\n]\\|\t[1-9]")
(not
(setq then-test
(looking-at
;; Search for one.
(save-excursion
(let ((count 1))
- (while (and (not (= count 0))
+ (while (and (not (= count 0))
(not (eq (fortran-previous-statement) 'first-statement))
;; Keep local to subprogram.
(not (and (looking-at fortran-end-prog-re)
(fortran-check-end-prog-re))))
-
(skip-chars-forward " \t0-9")
(cond ((looking-at fortran-if-start-re)
(save-excursion
(looking-at ".*)[ \t]*then\\b[ \t]*[^ \t(=a-z0-9]")
(let (then-test) ; Multi-line if-then.
(while
- (and (= (forward-line 1) 0)
+ (and (= (forward-line 1) 0)
;; Search forward for then.
- (or (looking-at " [^ 0\n]")
- (looking-at "\t[1-9]"))
+ (looking-at " [^ 0\n]\\|\t[1-9]")
(not
(setq then-test
(looking-at
".*then\\b[ \t]*[^ \t(=a-z0-9]")))))
then-test))
- (setq count (- count 1)))))
+ (setq count (- count 1)))))
((looking-at "end[ \t]*if\\b")
- (setq count (+ count 1)))))
-
- (and (= count 0)
+ (setq count (+ count 1)))))
+ (and (= count 0)
;; All pairs accounted for.
(point)))))))
\f
(not (fortran-line-number-indented-correctly-p))))
(fortran-indent-to-column cfi)
(beginning-of-line)
- (if (and (not (looking-at comment-line-start-skip))
+ (if (and (not (looking-at fortran-comment-line-start-skip))
(fortran-find-comment-start-skip))
(fortran-indent-comment))))
;; Never leave point in left margin.
(if (< (current-column) cfi)
(move-to-column cfi))
(if (and auto-fill-function
- (> (save-excursion (end-of-line) (current-column)) fill-column))
+ (> (save-excursion (end-of-line) (current-column))
+ fill-column))
(save-excursion
(end-of-line)
(fortran-fill)))
"Properly indent the Fortran subprogram which contains point."
(interactive)
(save-excursion
- (mark-fortran-subprogram)
+ (fortran-mark-subprogram)
(message "Indenting subprogram...")
(indent-region (point) (mark) nil))
(message "Indenting subprogram...done."))
(let (then-test) ;multi-line if-then
(while (and (= (forward-line 1) 0)
;;search forward for then
- (or (looking-at " [^ 0\n]")
- (looking-at "\t[1-9]"))
- (not (setq then-test (looking-at
- ".*then\\b[ \t]\
+ (looking-at " [^ 0\n]\\|\t[1-9]")
+ (not (setq then-test
+ (looking-at
+ ".*then\\b[ \t]\
*[^ \t_$(=a-z0-9]")))))
then-test))
(setq icol (+ icol fortran-if-indent))))
((looking-at "do\\b")
(setq icol (+ icol fortran-do-indent)))
((looking-at
- "\\(structure\\|union\\|map\\|interface\\)\\b[ \t]*[^ \t=(a-z]")
+ "\\(structure\\|union\\|map\\|interface\\)\
+\\b[ \t]*[^ \t=(a-z]")
(setq icol (+ icol fortran-structure-indent)))
((and (looking-at fortran-end-prog-re1)
(fortran-check-end-prog-re))
(save-excursion
(beginning-of-line)
(cond ((looking-at "[ \t]*$"))
- ((looking-at comment-line-start-skip)
+ ((looking-at fortran-comment-line-start-skip)
(cond ((eq fortran-comment-indent-style 'relative)
(setq icol (+ icol fortran-comment-line-extra-indent)))
((eq fortran-comment-indent-style 'fixed)
((or (looking-at (concat "[ \t]*"
(regexp-quote
fortran-continuation-string)))
- (looking-at " [^ 0\n]")
- (looking-at "\t[1-9]"))
+ (looking-at " [^ 0\n]\\|\t[1-9]"))
(setq icol (+ icol fortran-continuation-indent)))
((looking-at "[ \t]*#") ; Check for cpp directive.
(setq fortran-minimum-statement-indent 0 icol 0))
non-indentation text within the comment."
(save-excursion
(beginning-of-line)
- (cond ((looking-at comment-line-start-skip)
+ (cond ((looking-at fortran-comment-line-start-skip)
(goto-char (match-end 0))
(skip-chars-forward
(if (stringp fortran-comment-indent-char)
fortran-comment-indent-char
(char-to-string fortran-comment-indent-char))))
- ((or (looking-at " [^ 0\n]")
- (looking-at "\t[1-9]"))
+ ((or (looking-at " [^ 0\n]\\|\t[1-9]"))
(goto-char (match-end 0)))
(t
;; Move past line number.
- (skip-chars-forward "[ \t0-9]");From Uli
- ))
+ (skip-chars-forward "[ \t0-9]")))
;; Move past whitespace.
(skip-chars-forward " \t")
(current-column)))
4) A TAB followed by a digit indicates a continuation line."
(save-excursion
(beginning-of-line)
- (if (looking-at comment-line-start-skip)
+ (if (looking-at fortran-comment-line-start-skip)
(if fortran-comment-indent-style
- (let ((char (if (stringp fortran-comment-indent-char)
- (aref fortran-comment-indent-char 0)
- fortran-comment-indent-char)))
+ (let* ((char (if (stringp fortran-comment-indent-char)
+ (aref fortran-comment-indent-char 0)
+ fortran-comment-indent-char))
+ (chars (string ? ?\t char)))
(goto-char (match-end 0))
- (delete-horizontal-regexp (concat " \t" (char-to-string char)))
+ (skip-chars-backward chars)
+ (delete-region (point) (progn (skip-chars-forward chars)
+ (point)))
(insert-char char (- col (current-column)))))
(if (looking-at "\t[1-9]")
(if indent-tabs-mode
(goto-char (match-end 0))
(delete-char 2)
- (insert " ")
+ (insert-char ? 5)
(insert fortran-continuation-string))
(if (looking-at " [^ 0\n]")
(if indent-tabs-mode
(progn (delete-char 6)
- (insert "\t")
- (insert-char (fortran-numerical-continuation-char) 1))
+ (insert ?\t (fortran-numerical-continuation-char) 1))
(forward-char 6))
(delete-horizontal-space)
;; Put line number in columns 0-4
(if (and comment-start-skip
(fortran-find-comment-start-skip))
(progn (goto-char (match-beginning 0))
- (if (not (= (current-column) (fortran-comment-hook)))
+ (if (not (= (current-column)
+ (fortran-comment-indent-function)))
(progn (delete-horizontal-space)
- (indent-to (fortran-comment-hook)))))))))
+ (indent-to
+ (fortran-comment-indent-function)))))))))
(defun fortran-line-number-indented-correctly-p ()
"Return t if current line's line number is correctly indented.
(defun fortran-check-for-matching-do ()
"When called from a numbered statement, return t if matching DO is found.
Otherwise return nil."
- (let (charnum
- (case-fold-search t))
+ (let ((case-fold-search t)
+ charnum)
(save-excursion
(beginning-of-line)
(if (looking-at "[ \t]*[0-9]+")
(progn
(skip-chars-forward " \t")
- (skip-chars-forward "0") ;skip past leading zeros
- (setq charnum (buffer-substring (point)
- (progn (skip-chars-forward "0-9")
- (point))))
+ (skip-chars-forward "0") ;skip past leading zeros
+ (setq charnum
+ (buffer-substring (point) (progn
+ (skip-chars-forward "0-9")
+ (point))))
(beginning-of-line)
(fortran-with-subprogram-narrowing
(and (re-search-backward
;; Some code expects certain values for match-beginning and end
(interactive)
(if (save-excursion
- (re-search-forward comment-start-skip
- (save-excursion (end-of-line) (point)) t))
+ (re-search-forward comment-start-skip (line-end-position) t))
(let ((save-match-beginning (match-beginning 0))
(save-match-end (match-end 0)))
(if (fortran-is-in-string-p (match-beginning 0))
(goto-char save-match-end)
(fortran-find-comment-start-skip)) ; recurse for rest of line
(goto-char save-match-beginning)
- (re-search-forward comment-start-skip
- (save-excursion (end-of-line) (point)) t)
+ (re-search-forward comment-start-skip (line-end-position) t)
(goto-char (match-end 0))
t))
nil))
((bolp) nil) ; bol is never inside a string
((save-excursion ; comment lines too
(beginning-of-line)
- (looking-at comment-line-start-skip)) nil)
+ (looking-at fortran-comment-line-start-skip)) nil)
(t (let (;; ok, serious now. Init some local vars:
(parse-state '(0 nil nil nil nil nil 0))
(quoted-comment-start (if comment-start
(regexp-quote comment-start)))
(not-done t)
- parse-limit
- end-of-line
- )
+ parse-limit end-of-line)
;; move to start of current statement
(fortran-next-statement)
(fortran-previous-statement)
(while not-done
(if (or ;; skip to next line if:
;; - comment line?
- (looking-at comment-line-start-skip)
+ (looking-at fortran-comment-line-start-skip)
;; - at end of line?
(eolp)
;; - not in a string and after comment-start?
(char-to-string (following-char)))
(forward-char 1))))
;; find out parse-limit from here
- (setq end-of-line (save-excursion (end-of-line)(point)))
+ (setq end-of-line (line-end-position))
(setq parse-limit (min where end-of-line))
;; parse max up to comment-start, if non-nil and in current line
(if comment-start
(if (< (point) where)
(setq parse-state (parse-partial-sexp
(point) parse-limit nil nil parse-state))
- (setq not-done nil))
- ))
+ (setq not-done nil))))
;; result is
(nth 3 parse-state))))))
(fortran-indent-line)))
(defun fortran-fill ()
- (interactive)
(let* ((auto-fill-function #'fortran-do-auto-fill)
(opoint (point))
- (bol (save-excursion (beginning-of-line) (point)))
- (eol (save-excursion (end-of-line) (point)))
+ (bol (line-beginning-position))
+ (eol (line-end-position))
(bos (min eol (+ bol (fortran-current-line-indentation))))
(quote
(save-excursion
(goto-char bol)
- (if (looking-at comment-line-start-skip)
+ (if (looking-at fortran-comment-line-start-skip)
nil ; OK to break quotes on comment lines.
(move-to-column fill-column)
(if (fortran-is-in-string-p (point))
(goto-char fill-point)
(bolp))))
(if (> (save-excursion
- (goto-char fill-point) (current-column))
+ (goto-char fill-point)
+ (current-column))
(1+ fill-column))
(progn (goto-char fill-point)
(fortran-break-line))
(+ (fortran-calculate-indent) fortran-continuation-indent))
(progn
(goto-char fill-point)
- (fortran-break-line))))))
- ))
+ (fortran-break-line))))))))
+
(defun fortran-break-line ()
(let ((opoint (point))
- (bol (save-excursion (beginning-of-line) (point)))
- (eol (save-excursion (end-of-line) (point)))
+ (bol (line-beginning-position))
+ (eol (line-end-position))
(comment-string nil))
-
(save-excursion
(if (and comment-start-skip (fortran-find-comment-start-skip))
(progn
(delete-region (point) eol))))
;; Forward line 1 really needs to go to next non white line
(if (save-excursion (forward-line)
- (or (looking-at " [^ 0\n]")
- (looking-at "\t[1-9]")))
+ (or (looking-at " [^ 0\n]\\|\t[1-9]")))
(progn
(end-of-line)
(delete-region (point) (match-end 0))
(goto-char bol)
(end-of-line)
(delete-horizontal-space)
- (indent-to (fortran-comment-hook))
+ (indent-to (fortran-comment-indent-function))
(insert comment-string)))))
(defun fortran-analyze-file-format ()
(setq i 0)
(while (not (or
(eobp)
- (looking-at "\t")
+ (eq (char-after) ?\t)
(looking-at " ")
(> i fortran-analyze-depth)))
(forward-line)
(setq i (1+ i)))
(cond
- ((looking-at "\t") t)
+ ((eq (char-after) ?\t) t)
((looking-at " ") nil)
(fortran-tab-mode-default t)
(t nil)))))
;; paragraph, delimited either by non-comment lines or empty
;; comments. (Get positions as markers, since the
;; `indent-region' below can shift the block's end).
- (let* ((non-empty-comment (concat "\\(" comment-line-start-skip
+ (let* ((non-empty-comment (concat "\\(" fortran-comment-line-start-skip
"\\)" "[^ \t\n]"))
(start (save-excursion
;; Find (start of) first line.
(indent-region start end nil)
(let ((paragraph-ignore-fill-prefix nil)
(fill-prefix (progn (beginning-of-line)
- (looking-at comment-line-start-skip)
+ (looking-at fortran-comment-line-start-skip)
(match-string 0))))
(let (fill-paragraph-function)
(fill-region start end justify))) ; with normal `fill-paragraph'
(if (not (save-excursion
(beginning-of-line)
(or (looking-at "[ \t]*$")
- (looking-at comment-line-start-skip)
+ (looking-at fortran-comment-line-start-skip)
(and comment-start-skip
(looking-at (concat "[ \t]*" comment-start-skip))))))
(save-excursion