;;; fortran.el --- Fortran mode for GNU Emacs
-;; Copyright (c) 1986, 93, 94, 95, 97, 98, 99, 2000 Free Software Foundation, Inc.
+;; Copyright (c) 1986, 93, 94, 95, 97, 98, 99, 2000, 2001
+;; Free Software Foundation, Inc.
;; Author: Michael D. Prange <prange@erl.mit.edu>
-;; Maintainer: Dave Love <fx@gnu.org>
+;; Maintainer: Glenn Morris <gmorris@ast.cam.ac.uk>
;; Keywords: languages
;; This file is part of GNU Emacs.
;;
;; Note that it is for editing Fortran77 or Fortran90 fixed source
;; form. For editing Fortran 90 free format source, use `f90-mode'
-;; (f90.el).
+;; (f90.el). It is meant to support the GNU Fortran language
+;; implemented by g77 (its extensions to Fortran77 and
+;; interpretations, e.g. of blackslash in strings).
;;; History:
;; Todo:
-;; * Tidy it all up!
+;; * Tidy it all up (more)!
;; * 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.
-
-(require 'easymenu)
+;; * Support any other extensions to f77 grokked by GNU Fortran I've missed.
(defgroup fortran nil
"Fortran mode for Emacs"
(defcustom fortran-comment-indent-style 'fixed
"*How to indent comments.
nil forces comment lines not to be touched,
-'fixed makes fixed comment indentation to `fortran-comment-line-extra-indent'
-columns beyond `fortran-minimum-statement-indent-fixed' (for
-`indent-tabs-mode' of nil) or `fortran-minimum-statement-indent-tab' (for
-`indent-tabs-mode' of t), and 'relative indents to current
-Fortran indentation plus `fortran-comment-line-extra-indent'."
+`fixed' makes fixed comment indentation to `fortran-comment-line-extra-indent'
+ columns beyond `fortran-minimum-statement-indent-fixed' (for
+ `indent-tabs-mode' of nil) or `fortran-minimum-statement-indent-tab' (for
+ `indent-tabs-mode' of t), and
+`relative' indents to current Fortran indentation plus
+ `fortran-comment-line-extra-indent'."
:type '(radio (const :tag "Untouched" nil) (const fixed) (const relative))
:group 'fortran-indent)
:group 'fortran-indent
:group 'fortran-comment)
-(defcustom fortran-comment-line-start nil
- "*Delimiter inserted to start new full-line comment."
+(defcustom fortran-comment-line-start "C"
+ "*Delimiter inserted to start new full-line comment.
+You might want to change this to \"*\", for instance."
:version "21.1"
- :type '(choice string (const nil))
+ :type 'string
:group 'fortran-comment)
-(defcustom fortran-comment-line-start-skip nil
+;; This used to match preprocessor lines too, but that messes up
+;; filling and doesn't seem to be necessary.
+(defcustom fortran-comment-line-start-skip
+ "^[CcDd*!]\\(\\([^ \t\n]\\)\\2+\\)?[ \t]*"
"*Regexp to match the start of a full-line comment."
:version "21.1"
- :type '(choice string (const nil))
+ :type 'regexp
:group 'fortran-comment)
+(defcustom fortran-directive-re
+ "^[ \t]*#.*"
+ "*Regexp to match a directive line.
+The matching text will be fontified with `font-lock-keyword-face'.
+The matching line will be given zero indentation."
+ :version "21.4"
+ :type 'regexp
+ :group 'fortran-indent)
+
(defcustom fortran-minimum-statement-indent-fixed 6
"*Minimum statement indentation for fixed format continuation style."
:type 'integer
"String displayed above current line by \\[fortran-column-ruler].
This variable used in TAB format mode.")
-(defvar fortran-mode-syntax-table nil
- "Syntax table in use in Fortran mode buffers.")
-
(defvar fortran-analyze-depth 100
"Number of lines to scan to determine whether to use fixed or TAB \
format style.")
:type 'boolean
:group 'fortran)
-(if fortran-mode-syntax-table
- ()
- (setq fortran-mode-syntax-table (make-syntax-table))
- ;; We might like `;' to be punctuation (g77 multi-statement lines),
- ;; but that screws abbrevs.
- (modify-syntax-entry ?\; "w" fortran-mode-syntax-table)
- (modify-syntax-entry ?\r " " fortran-mode-syntax-table)
- (modify-syntax-entry ?+ "." fortran-mode-syntax-table)
- (modify-syntax-entry ?- "." fortran-mode-syntax-table)
- (modify-syntax-entry ?= "." fortran-mode-syntax-table)
- (modify-syntax-entry ?* "." fortran-mode-syntax-table)
- (modify-syntax-entry ?/ "." fortran-mode-syntax-table)
- (modify-syntax-entry ?\' "\"" fortran-mode-syntax-table)
- (modify-syntax-entry ?\" "\"" fortran-mode-syntax-table)
- (modify-syntax-entry ?\\ "\\" fortran-mode-syntax-table)
- ;; This might be better as punctuation, as for C, but this way you
- ;; can treat floating-point numbers as symbols.
- (modify-syntax-entry ?. "_" fortran-mode-syntax-table) ; e.g. `a.ne.b'
- (modify-syntax-entry ?_ "_" fortran-mode-syntax-table)
- (modify-syntax-entry ?$ "_" fortran-mode-syntax-table) ; esp. VMSisms
- (modify-syntax-entry ?\! "<" fortran-mode-syntax-table)
- (modify-syntax-entry ?\n ">" fortran-mode-syntax-table))
+(defvar fortran-mode-syntax-table
+ (let ((table (make-syntax-table)))
+ ;; We might like `;' to be punctuation (g77 multi-statement
+ ;; lines), but that screws abbrevs.
+ (modify-syntax-entry ?\; "w" table)
+ (modify-syntax-entry ?\r " " table)
+ (modify-syntax-entry ?+ "." table)
+ (modify-syntax-entry ?- "." table)
+ (modify-syntax-entry ?= "." table)
+ (modify-syntax-entry ?* "." table)
+ (modify-syntax-entry ?/ "." table)
+ (modify-syntax-entry ?\' "\"" table)
+ (modify-syntax-entry ?\" "\"" table)
+ ;; Consistent with GNU Fortran -- see the manual.
+ (modify-syntax-entry ?\\ "\\" table)
+ ;; This might be better as punctuation, as for C, but this way you
+ ;; can treat floating-point numbers as symbols.
+ (modify-syntax-entry ?. "_" table) ; e.g. `a.ne.b'
+ (modify-syntax-entry ?_ "_" table)
+ (modify-syntax-entry ?$ "_" table) ; esp. VMSisms
+ (modify-syntax-entry ?\! "<" table)
+ (modify-syntax-entry ?\n ">" table)
+ table)
+ "Syntax table in use in Fortran mode buffers.")
;; Comments are real pain in Fortran because there is no way to
;; represent the standard comment syntax in an Emacs syntax table.
;; (We can do so for F90-style). Therefore an unmatched quote in a
;; standard comment will throw fontification off on the wrong track.
;; So we do syntactic fontification with regexps.
-\f
-;; Regexps done by simon@gnu with help from Ulrik Dickow <dickow@nbi.dk> and
-;; probably others Si's forgotten about (sorry).
-(defconst fortran-font-lock-keywords-1 nil
+(defvar fortran-font-lock-keywords-1 nil
"Subdued level highlighting for Fortran mode.")
-(defconst fortran-font-lock-keywords-2 nil
+(defvar fortran-font-lock-keywords-2 nil
"Medium level highlighting for Fortran mode.")
-(defconst fortran-font-lock-keywords-3 nil
+(defvar fortran-font-lock-keywords-3 nil
"Gaudy level highlighting for Fortran mode.")
-(defconst fortran-font-lock-syntactic-keywords nil
+(defvar fortran-font-lock-syntactic-keywords nil
"`font-lock-syntactic-keywords' for Fortran.
These get fixed-format comments fontified.")
-(let ((comment-chars "cd") ; `d' for `debugging' comments
+(let ((comment-chars "cd\\*") ; `d' for `debugging' comments
(fortran-type-types
(eval-when-compile
(let ((re (regexp-opt
structured-types)
structured-types
other-types)))))
- ;; In the optimized regexp above, replace spaces by regexp
- ;; for optional whitespace, which regexp-opt would have
- ;; escaped.
+ ;; In the optimized regexp above, replace spaces by a
+ ;; regexp for optional whitespace; regexp-opt would have
+ ;; escaped that.
(mapconcat #'identity (split-string re) "[ \t]*"))))
(fortran-keywords
(eval-when-compile
(regexp-opt '("continue" "format" "end" "enddo" "if" "then"
"else" "endif" "elseif" "while" "inquire" "stop"
"return" "include" "open" "close" "read" "write"
- "format" "print" "select" "case" "cycle" "exit"))))
+ "format" "print" "select" "case" "cycle" "exit"
+ "rewind" "backspace"))))
(fortran-logicals
(eval-when-compile
(regexp-opt '("and" "or" "not" "lt" "le" "eq" "ge" "gt" "ne"
;; Fixed format comments. (!-style handled normally.)
(list
(list (concat "^[" comment-chars "]") 0 '(11))
- (list (concat "^[^" comment-chars "\t\n]" (make-string 71 ?.)
+ (list (concat "^[^" comment-chars "\t\n]" ".\\{71\\}"
"\\([^\n]+\\)")
1 '(11))))
(setq fortran-font-lock-keywords-1
;; TAB-formatted line.
'("^ \\([^ 0]\\)" 1 font-lock-string-face)
'("^\t\\([1-9]\\)" 1 font-lock-string-face))
+ (list
+ ;; cpp stuff (ugh)
+;;; '("^# *[a-z]+" . font-lock-keyword-face))
+ `(,fortran-directive-re (0 font-lock-keyword-face t)))
;; The list `fortran-font-lock-keywords-2' less that for types
;; (see above).
(cdr (nthcdr (length fortran-font-lock-keywords-1)
(list
(list
nil
- ;; Lines below are: 1. leading whitespace; 2. function
- ;; declaration with optional type, e.g. `real', `real*4',
- ;; character(*), `double precision' and possible statement
- ;; continuation; 3. untyped declarations; 4. the variable to
- ;; index. [This will be fooled by `end function' allowed by G77.
- ;; Also, it assumes sensible whitespace is employed.]
- (concat "^\\s-+\\(\
-\\(\\sw\\|\\s-\\|[*()+]\\)*\
-\\<function\\|subroutine\\|entry\\|block\\s-*data\\|program\\)\
-[ \t" fortran-continuation-string "]+\
-\\(\\sw+\\)")
+ ;; [This will be fooled by `end function' allowed by G77. Also,
+ ;; it assumes sensible whitespace is employed.]
+ (concat
+ ;; leading whitespace:
+ "^\\s-+\\("
+ ;; function declaration with optional type, e.g. `real',
+ ;; `real*4', character(*), `double precision':
+ "\\(\\sw\\|\\s-\\|[*()+]\\)*"
+ "\\<function\\|subroutine\\|entry\\|block\\s-*data\\|program\\)"
+ ;; Possible statement continuation:
+ "[ \t" fortran-continuation-string "]+"
+ ;; Variable to index:
+ "\\(\\sw+\\)")
3)
;; Un-named block data
(list nil "^\\s-+\\(block\\s-*data\\)\\s-*$" 1))
"Imenu generic expression for `imenu-default-create-index-function'.")
(defvar fortran-mode-map
- (let ((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-;" 'fortran-indent-comment)
- (define-key fortran-mode-map "\M-\n" 'fortran-split-line)
- (define-key fortran-mode-map "\M-\C-q" 'fortran-indent-subprogram)
- (define-key fortran-mode-map "\C-c\C-w" 'fortran-window-create-momentarily)
- (define-key fortran-mode-map "\C-c\C-r" 'fortran-column-ruler)
- (define-key fortran-mode-map "\C-c\C-p" 'fortran-previous-statement)
- (define-key fortran-mode-map "\C-c\C-n" 'fortran-next-statement)
- (define-key fortran-mode-map "\C-c\C-d" 'fortran-join-line) ; like f90
- (define-key fortran-mode-map "\M-^" 'fortran-join-line) ; subvert delete-indentation
- (define-key fortran-mode-map "0" 'fortran-electric-line-number)
- (define-key fortran-mode-map "1" 'fortran-electric-line-number)
- (define-key fortran-mode-map "2" 'fortran-electric-line-number)
- (define-key fortran-mode-map "3" 'fortran-electric-line-number)
- (define-key fortran-mode-map "4" 'fortran-electric-line-number)
- (define-key fortran-mode-map "5" 'fortran-electric-line-number)
- (define-key fortran-mode-map "6" 'fortran-electric-line-number)
- (define-key fortran-mode-map "7" 'fortran-electric-line-number)
- (define-key fortran-mode-map "8" 'fortran-electric-line-number)
- (define-key fortran-mode-map "9" 'fortran-electric-line-number)
+ (let ((map (make-sparse-keymap)))
+ (define-key map ";" 'fortran-abbrev-start)
+ (define-key map "\C-c;" 'fortran-comment-region)
+ (define-key map "\M-;" 'fortran-indent-comment)
+ (define-key map "\M-\n" 'fortran-split-line)
+ (define-key map "\M-\C-q" 'fortran-indent-subprogram)
+ (define-key map "\C-c\C-w" 'fortran-window-create-momentarily)
+ (define-key map "\C-c\C-r" 'fortran-column-ruler)
+ (define-key map "\C-c\C-p" 'fortran-previous-statement)
+ (define-key map "\C-c\C-n" 'fortran-next-statement)
+ (define-key map "\C-c\C-d" 'fortran-join-line) ; like f90
+ (define-key map "\M-^" 'fortran-join-line) ; subvert delete-indentation
+ (define-key map "0" 'fortran-electric-line-number)
+ (define-key map "1" 'fortran-electric-line-number)
+ (define-key map "2" 'fortran-electric-line-number)
+ (define-key map "3" 'fortran-electric-line-number)
+ (define-key map "4" 'fortran-electric-line-number)
+ (define-key map "5" 'fortran-electric-line-number)
+ (define-key map "6" 'fortran-electric-line-number)
+ (define-key map "7" 'fortran-electric-line-number)
+ (define-key map "8" 'fortran-electric-line-number)
+ (define-key map "9" 'fortran-electric-line-number)
;; Menu
- (unless (boundp 'fortran-mode-menu)
- (easy-menu-define
- fortran-mode-menu fortran-mode-map ""
- `("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]
- "----"
- ["Comment-out Region" fortran-comment-region mark-active]
- ["Uncomment-out region"
- (fortran-comment-region (region-beginning) (region-end) 1)
- mark-active]
- ["Indent Region" indent-region mark-active]
- ["Indent Subprogram" fortran-indent-subprogram t]
- "----"
- ["Beginning of Subprogram" fortran-beginning-of-subprogram t]
- ["End of Subprogram" fortran-end-of-subprogram t]
- ("Mark"
- ["Subprogram" mark-defun t]
- ["IF Block" fortran-mark-if t]
- ["DO Block" fortran-mark-do t])
- ["Narrow to Subprogram" narrow-to-defun t]
- ["Widen" widen t]
- "----"
- ["Temporary column ruler" fortran-column-ruler t]
- ["72-column window" fortran-window-create t]
- ["Full Width Window"
- (enlarge-window-horizontally (- (frame-width) (window-width)))
- (< (window-width) (frame-width))]
- ["Momentary 72-column window" fortran-window-create-momentarily t]
- "----"
- ["Break Line at Point" fortran-split-line t]
- ["Join Line" fortran-join-line t]
- ["Fill Statement/Comment" fill-paragraph t]
- "----"
- ["Add imenu menu"
- imenu-add-menubar-index (not (and (boundp 'imenu--index-alist)
- imenu--index-alist))])))
- fortran-mode-map)
+ (easy-menu-define
+ fortran-mode-menu map ""
+ `("Fortran"
+ ["Manual" (info "(emacs)Fortran")]
+ ("Customization"
+ ,(custom-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" auto-fill-mode :style toggle
+ :selected auto-fill-function]
+ ["Toggle abbrev-mode" abbrev-mode :style toggle :selected abbrev-mode]
+ "----"
+ ["Comment-out Region" fortran-comment-region mark-active]
+ ["Uncomment-out region"
+ (fortran-comment-region (region-beginning) (region-end) 1)
+ mark-active]
+ ["Indent Region" indent-region mark-active]
+ ["Indent Subprogram" fortran-indent-subprogram t]
+ "----"
+ ["Beginning of Subprogram" fortran-beginning-of-subprogram t]
+ ["End of Subprogram" fortran-end-of-subprogram t]
+ ("Mark"
+ ["Subprogram" mark-defun t]
+ ["IF Block" fortran-mark-if t]
+ ["DO Block" fortran-mark-do t])
+ ["Narrow to Subprogram" narrow-to-defun t]
+ ["Widen" widen t]
+ "----"
+ ["Temporary column ruler" fortran-column-ruler t]
+ ["72-column window" fortran-window-create t]
+ ["Full Width Window"
+ (enlarge-window-horizontally (- (frame-width) (window-width)))
+ (< (window-width) (frame-width))]
+ ["Momentary 72-column window" fortran-window-create-momentarily t]
+ "----"
+ ["Break Line at Point" fortran-split-line t]
+ ["Join Line" fortran-join-line t]
+ ["Fill Statement/Comment" fill-paragraph t]
+ "----"
+ ["Add imenu menu"
+ imenu-add-menubar-index (not (and (boundp 'imenu--index-alist)
+ imenu--index-alist))]))
+ map)
"Keymap used in Fortran mode.")
\f
(defvar fortran-mode-abbrev-table
(let ((ac abbrevs-changed))
(define-abbrev-table 'fortran-mode-abbrev-table ())
- (define-abbrev fortran-mode-abbrev-table ";au" "automatic" nil)
- (define-abbrev fortran-mode-abbrev-table ";b" "byte" nil)
- (define-abbrev fortran-mode-abbrev-table ";bd" "block data" nil)
- (define-abbrev fortran-mode-abbrev-table ";ch" "character" nil)
- (define-abbrev fortran-mode-abbrev-table ";cl" "close" nil)
- (define-abbrev fortran-mode-abbrev-table ";c" "continue" nil)
- (define-abbrev fortran-mode-abbrev-table ";cm" "common" nil)
- (define-abbrev fortran-mode-abbrev-table ";cx" "complex" nil)
- (define-abbrev fortran-mode-abbrev-table ";df" "define" nil)
- (define-abbrev fortran-mode-abbrev-table ";di" "dimension" nil)
- (define-abbrev fortran-mode-abbrev-table ";do" "double" nil)
- (define-abbrev fortran-mode-abbrev-table ";dc" "double complex" nil)
- (define-abbrev fortran-mode-abbrev-table ";dp" "double precision" nil)
- (define-abbrev fortran-mode-abbrev-table ";dw" "do while" nil)
- (define-abbrev fortran-mode-abbrev-table ";e" "else" nil)
- (define-abbrev fortran-mode-abbrev-table ";ed" "enddo" nil)
- (define-abbrev fortran-mode-abbrev-table ";el" "elseif" nil)
- (define-abbrev fortran-mode-abbrev-table ";en" "endif" nil)
- (define-abbrev fortran-mode-abbrev-table ";eq" "equivalence" nil)
- (define-abbrev fortran-mode-abbrev-table ";ew" "endwhere" nil)
- (define-abbrev fortran-mode-abbrev-table ";ex" "external" nil)
- (define-abbrev fortran-mode-abbrev-table ";ey" "entry" nil)
- (define-abbrev fortran-mode-abbrev-table ";f" "format" nil)
- (define-abbrev fortran-mode-abbrev-table ";fa" ".false." nil)
- (define-abbrev fortran-mode-abbrev-table ";fu" "function" nil)
- (define-abbrev fortran-mode-abbrev-table ";g" "goto" nil)
- (define-abbrev fortran-mode-abbrev-table ";im" "implicit" nil)
- (define-abbrev fortran-mode-abbrev-table ";ib" "implicit byte" nil)
- (define-abbrev fortran-mode-abbrev-table ";ic" "implicit complex" nil)
- (define-abbrev fortran-mode-abbrev-table ";ich" "implicit character" nil)
- (define-abbrev fortran-mode-abbrev-table ";ii" "implicit integer" nil)
- (define-abbrev fortran-mode-abbrev-table ";il" "implicit logical" nil)
- (define-abbrev fortran-mode-abbrev-table ";ir" "implicit real" nil)
- (define-abbrev fortran-mode-abbrev-table ";inc" "include" nil)
- (define-abbrev fortran-mode-abbrev-table ";in" "integer" nil)
- (define-abbrev fortran-mode-abbrev-table ";intr" "intrinsic" nil)
- (define-abbrev fortran-mode-abbrev-table ";l" "logical" nil)
- (define-abbrev fortran-mode-abbrev-table ";n" "namelist" nil)
- (define-abbrev fortran-mode-abbrev-table ";o" "open" nil) ; was ;op
- (define-abbrev fortran-mode-abbrev-table ";pa" "parameter" nil)
- (define-abbrev fortran-mode-abbrev-table ";pr" "program" nil)
- (define-abbrev fortran-mode-abbrev-table ";ps" "pause" nil)
- (define-abbrev fortran-mode-abbrev-table ";p" "print" nil)
- (define-abbrev fortran-mode-abbrev-table ";rc" "record" nil)
- (define-abbrev fortran-mode-abbrev-table ";re" "real" nil)
- (define-abbrev fortran-mode-abbrev-table ";r" "read" nil)
- (define-abbrev fortran-mode-abbrev-table ";rt" "return" nil)
- (define-abbrev fortran-mode-abbrev-table ";rw" "rewind" nil)
- (define-abbrev fortran-mode-abbrev-table ";s" "stop" nil)
- (define-abbrev fortran-mode-abbrev-table ";sa" "save" nil)
- (define-abbrev fortran-mode-abbrev-table ";st" "structure" nil)
- (define-abbrev fortran-mode-abbrev-table ";sc" "static" nil)
- (define-abbrev fortran-mode-abbrev-table ";su" "subroutine" nil)
- (define-abbrev fortran-mode-abbrev-table ";tr" ".true." nil)
- (define-abbrev fortran-mode-abbrev-table ";ty" "type" nil)
- (define-abbrev fortran-mode-abbrev-table ";vo" "volatile" nil)
- (define-abbrev fortran-mode-abbrev-table ";w" "write" nil)
- (define-abbrev fortran-mode-abbrev-table ";wh" "where" nil)
+ (define-abbrev fortran-mode-abbrev-table ";au" "automatic" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";b" "byte" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";bd" "block data" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";ch" "character" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";cl" "close" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";c" "continue" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";cm" "common" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";cx" "complex" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";df" "define" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";di" "dimension" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";do" "double" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";dc" "double complex" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";dp" "double precision" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";dw" "do while" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";e" "else" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";ed" "enddo" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";el" "elseif" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";en" "endif" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";eq" "equivalence" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";ew" "endwhere" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";ex" "external" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";ey" "entry" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";f" "format" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";fa" ".false." nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";fu" "function" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";g" "goto" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";im" "implicit" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";ib" "implicit byte" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";ic" "implicit complex" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";ich" "implicit character" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";ii" "implicit integer" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";il" "implicit logical" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";ir" "implicit real" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";inc" "include" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";in" "integer" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";intr" "intrinsic" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";l" "logical" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";n" "namelist" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";o" "open" nil 0 t) ; was ;op
+ (define-abbrev fortran-mode-abbrev-table ";pa" "parameter" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";pr" "program" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";ps" "pause" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";p" "print" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";rc" "record" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";re" "real" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";r" "read" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";rt" "return" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";rw" "rewind" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";s" "stop" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";sa" "save" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";st" "structure" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";sc" "static" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";su" "subroutine" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";tr" ".true." nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";ty" "type" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";vo" "volatile" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";w" "write" nil 0 t)
+ (define-abbrev fortran-mode-abbrev-table ";wh" "where" nil 0 t)
(setq abbrevs-changed ac)
fortran-mode-abbrev-table))
\f
Variables controlling indentation style and extra features:
`comment-start'
- Normally nil in Fortran mode. If you want to use comments
- starting with `!', set this to the string \"!\".
+ If you want to use comments starting with `!',
+ set this to the string \"!\".
`fortran-do-indent'
Extra indentation within do blocks. (default 3)
`fortran-if-indent'
(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-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 'fortran-comment-line-start)
- (setq fortran-comment-line-start "c")
- (make-local-variable 'comment-start-skip)
- (setq comment-start-skip "![ \t]*")
+ (setq comment-indent-function 'fortran-comment-indent)
+ (set (make-local-variable 'comment-start-skip)
+ ;; We can't reuse `fortran-comment-line-start-skip' directly because
+ ;; it contains backrefs whereas we need submatch-1 to end at the
+ ;; beginning of the comment delimiter.
+ ;; (concat "\\(\\)\\(![ \t]*\\|" fortran-comment-line-start-skip "\\)")
+ "\\(\\)\\(?:^[CcDd*]\\|!\\)\\(?:\\([^ \t\n]\\)\\2+\\)?[ \t]*")
+ (set (make-local-variable 'comment-padding) "$$$")
(make-local-variable 'comment-start)
- (setq comment-start nil)
+ (setq comment-start fortran-comment-line-start)
(make-local-variable 'require-final-newline)
(setq require-final-newline t)
(make-local-variable 'abbrev-all-caps)
(setq imenu-generic-expression fortran-imenu-generic-expression)
(setq imenu-syntax-alist '(("_$" . "w")))
(set (make-local-variable 'fill-paragraph-function) 'fortran-fill-paragraph)
+ (set (make-local-variable 'normal-auto-fill-function) 'fortran-auto-fill)
(set (make-local-variable 'indent-line-function) 'fortran-indent-line)
(set (make-local-variable 'indent-region-function)
(lambda (start end)
#'fortran-beginning-of-subprogram)
(set (make-local-variable 'end-of-defun-function)
#'fortran-end-of-subprogram)
+ (set (make-local-variable 'add-log-current-defun-function)
+ #'fortran-current-defun)
+ (set (make-local-variable 'dabbrev-case-fold-search) 'case-fold-search)
(run-hooks 'fortran-mode-hook))
\f
-(defun fortran-comment-indent-function ()
+(defsubst fortran-comment-indent ()
(save-excursion
- (skip-chars-backward " \t")
- (max (+ 1 (current-column))
- comment-column)))
+ (if (looking-at fortran-comment-line-start-skip) 0
+ (skip-chars-backward " \t")
+ (max (+ 1 (current-column))
+ comment-column))))
(defun fortran-indent-comment ()
"Align or create comment on current line.
Existing comments of all types are recognized and aligned.
If the line has no comment, a side-by-side comment is inserted and aligned
-if the value of `comment-start' is not nil.
+if the value of `comment-start' is not nil and allows such comments.
Otherwise, a separate-line comment is inserted, on this line
or on a new line inserted before this line if this line is not blank."
(interactive)
(beginning-of-line)
;; Recognize existing comments of either kind.
- (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-indent-function)))
- (progn (delete-horizontal-space)
- (indent-to (fortran-comment-indent-function)))))
- (end-of-line))) ; otherwise goto end of line or sth else?
+ (cond ((fortran-find-comment-start-skip 'all)
+ (goto-char (match-beginning 0))
+ (if (bolp)
+ (fortran-indent-line)
+ (if (not (= (current-column)
+ (fortran-comment-indent)))
+ (progn (delete-horizontal-space)
+ (indent-to (fortran-comment-indent))))))
;; No existing comment.
;; If side-by-side comments are defined, insert one,
;; unless line is now blank.
- ((and comment-start (not (looking-at "^[ \t]*$")))
+ ((and comment-start (not (looking-at "[ \t]*$"))
+ (string-match comment-start-skip (concat " " comment-start)))
(end-of-line)
(delete-horizontal-space)
- (indent-to (fortran-comment-indent-function))
+ (indent-to (fortran-comment-indent))
(insert comment-start))
;; Else insert separate-line comment, making a new line if nec.
(t
BEG-REGION and END-REGION are args which specify the region boundaries.
With non-nil ARG, uncomments the region."
(interactive "*r\nP")
- (let ((end-region-mark (make-marker)) (save-point (point-marker)))
- (set-marker end-region-mark end-region)
+ (let ((end-region-mark (copy-marker end-region))
+ (save-point (point-marker)))
(goto-char beg-region)
(beginning-of-line)
(if (not arg) ;comment the region
"Make the window 72 columns wide.
See also `fortran-window-create-momentarily'."
(interactive)
- (condition-case error
- (progn
- (let ((window-min-width 2))
- (if (< (window-width) (frame-width))
- (enlarge-window-horizontally (- (frame-width)
- (window-width) 1)))
- (let* ((window-edges (window-edges))
- (scroll-bar-width (- (nth 2 window-edges)
- (car window-edges)
- (window-width))))
- (split-window-horizontally (+ 72 scroll-bar-width)))
- (other-window 1)
- (switch-to-buffer " fortran-window-extra" t)
- (select-window (previous-window))))
- (error (message "No room for Fortran window.")
- 'error)))
+ (let ((window-min-width 2))
+ (if (< (window-width) (frame-width))
+ (enlarge-window-horizontally (- (frame-width)
+ (window-width) 1)))
+ (let* ((window-edges (window-edges))
+ (scroll-bar-width (- (nth 2 window-edges)
+ (car window-edges)
+ (window-width))))
+ (split-window-horizontally (+ 72 scroll-bar-width)))
+ (other-window 1)
+ (switch-to-buffer " fortran-window-extra" t)
+ (select-window (previous-window))))
(defun fortran-window-create-momentarily (&optional arg)
"Momentarily make the window 72 columns wide.
(if (or (not arg)
(= arg 1))
(save-window-excursion
- (if (not (equal (fortran-window-create) 'error))
- (progn (message "Type SPC to continue editing.")
- (let ((char (read-event)))
- (or (equal char (string-to-char " "))
- (setq unread-command-events (list char)))))))
+ (progn
+ (condition-case nil
+ (fortran-window-create)
+ (error (error "No room for Fortran window")))
+ (message "Type SPC to continue editing.")
+ (let ((char (read-event)))
+ (or (equal char (string-to-char " "))
+ (setq unread-command-events (list char))))))
(fortran-window-create)))
(defun fortran-split-line ()
(interactive)
(delete-horizontal-space)
(if (save-excursion
- (beginning-of-line)
- (looking-at fortran-comment-line-start-skip))
- (insert ?\n fortran-comment-line-start ? )
+ (let ((pos (point)))
+ (beginning-of-line)
+ (and (fortran-find-comment-start-skip 'all)
+ (< (match-beginning 0) pos))))
+ (insert ?\n (match-string 0))
(if indent-tabs-mode
(insert ?\n ?\t (fortran-numerical-continuation-char))
(insert "\n " fortran-continuation-string))) ; Space after \n important
(if (or (and (= 5 (current-column))
(save-excursion
(beginning-of-line)
- (looking-at " "))) ;In col 5 with only spaces to left.
+ (looking-at " \\{5\\}"))) ;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))
;; 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 fortran-beginning-of-subprogram ()
- "Moves point to the beginning of the current Fortran subprogram."
+ "Move point to the beginning of the current Fortran subprogram."
(interactive)
(save-match-data
(let ((case-fold-search t))
(forward-line)))))
(defun fortran-end-of-subprogram ()
- "Moves point to the end of the current Fortran subprogram."
+ "Move point to the end of the current Fortran subprogram."
(interactive)
(save-match-data
(let ((case-fold-search t))
(forward-line)))))
(defun fortran-previous-statement ()
- "Moves point to beginning of the previous Fortran statement.
-Returns `first-statement' if that statement is the first
-non-comment Fortran statement in the file, and nil otherwise."
+ "Move point to beginning of the previous Fortran statement.
+Returns 'first-statement if that statement is the first
+non-comment Fortran statement in the file, and nil otherwise.
+Directive lines are treated as comments."
(interactive)
(let (not-first-statement continue-test)
(beginning-of-line)
(setq continue-test
(and
(not (looking-at fortran-comment-line-start-skip))
+ (not (looking-at fortran-directive-re))
(or (looking-at
- (concat "[ \t]*" (regexp-quote fortran-continuation-string)))
- (looking-at " [^ 0\n]\\|\t[1-9]"))))
+ (concat "[ \t]*"
+ (regexp-quote fortran-continuation-string)))
+ (looking-at " \\{5\\}[^ 0\n]\\|\t[1-9]"))))
(while (and (setq not-first-statement (= (forward-line -1) 0))
(or (looking-at fortran-comment-line-start-skip)
- (looking-at "[ \t]*$\\| [^ 0\n]\\|\t[1-9]")
- (looking-at (concat "[ \t]*" comment-start-skip)))))
+ (looking-at fortran-directive-re)
+ (looking-at "[ \t]*$\\| \\{5\\}[^ 0\n]\\|\t[1-9]")
+ (looking-at (concat "[ \t]*" comment-start-skip)))))
(cond ((and continue-test
(not not-first-statement))
(message "Incomplete continuation statement."))
'first-statement))))
(defun fortran-next-statement ()
- "Moves point to beginning of the next Fortran statement.
-Returns `last-statement' if that statement is the last
-non-comment Fortran statement in the file, and nil otherwise."
+ "Move point to beginning of the next Fortran statement.
+Returns 'last-statement if that statement is the last
+non-comment Fortran statement in the file, and nil otherwise.
+Directive lines are treated as comments."
(interactive)
(let (not-last-statement)
(beginning-of-line)
(and (= (forward-line 1) 0)
(not (eobp))))
(or (looking-at fortran-comment-line-start-skip)
+ (looking-at fortran-directive-re)
(looking-at "[ \t]*$\\| [^ 0\n]\\|\t[1-9]")
- (looking-at (concat "[ \t]*" comment-start-skip)))))
+ (looking-at (concat "[ \t]*" comment-start-skip)))))
(if (not not-last-statement)
'last-statement)))
\f
(fortran-check-end-prog-re))))
(skip-chars-forward " \t0-9")
(cond ((looking-at
- "\\(\\(\\sw\\|\\s_\\)+:[ \t]*\\)?do[ \t]+[^0-9]")
+ "\\(\\(\\sw\\|\\s_\\)+:[ \t]*\\)?do[ \t]+")
(setq count (1- count)))
((looking-at "end[ \t]*do\\b")
(setq count (1+ count)))))
(looking-at ".*)[ \t]*then\\b[ \t]*[^ \t(=a-z0-9]")
(let (then-test) ; Multi-line if-then.
(while
- (and (= (forward-line 1) 0)
- ;; Search forward for then.
- (looking-at " [^ 0\n]\\|\t[1-9]")
- (not
- (setq then-test
- (looking-at
- ".*then\\b[ \t]*[^ \t(=a-z0-9]")))))
+ (and
+ (= (forward-line 1) 0)
+ ;; Search forward for then.
+ (looking-at " \\{5\\}[^ 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)
(while
(and (= (forward-line 1) 0)
;; Search forward for then.
- (looking-at " [^ 0\n]\\|\t[1-9]")
+ (looking-at " \\{5\\}[^ 0\n]\\|\t[1-9]")
(not
(setq then-test
(looking-at
(looking-at ".*)[ \t]*then\\b[ \t]*[^ \t(=a-z0-9]")
(let (then-test) ; Multi-line if-then.
(while
- (and (= (forward-line 1) 0)
- ;; Search forward for then.
- (looking-at " [^ 0\n]\\|\t[1-9]")
- (not
- (setq then-test
- (looking-at
- ".*then\\b[ \t]*[^ \t(=a-z0-9]")))))
+ (and
+ (= (forward-line 1) 0)
+ ;; Search forward for then.
+ (looking-at " \\{5\\}[^ 0\n]\\|\t[1-9]")
+ (not
+ (setq then-test
+ (looking-at
+ (concat ".*then\\b[ \t]*"
+ "[^ \t(=a-z0-9]"))))))
then-test))
(setq count (- count 1)))))
((looking-at "end[ \t]*if\\b")
(not (fortran-line-number-indented-correctly-p))))
(fortran-indent-to-column cfi)
(beginning-of-line)
- (if (and (not (looking-at fortran-comment-line-start-skip))
- (fortran-find-comment-start-skip))
+ (if (fortran-find-comment-start-skip)
(fortran-indent-comment))))
;; Never leave point in left margin.
(if (< (current-column) cfi)
(fortran-blink-matching-if)
(fortran-blink-matching-do)))))
+(defun fortran-auto-fill ()
+ (if (> (current-column) (current-fill-column))
+ (let ((cfi (fortran-calculate-indent)))
+ (save-excursion
+ (beginning-of-line)
+ (if (or (not (= cfi (fortran-current-line-indentation)))
+ (and (re-search-forward "^[ \t]*[0-9]+"
+ (+ (point) 4) t)
+ (not (fortran-line-number-indented-correctly-p))))
+ (fortran-indent-to-column cfi)
+ (beginning-of-line)
+ (if (fortran-find-comment-start-skip)
+ (fortran-indent-comment))))
+ (fortran-fill)
+ ;; Never leave point in left margin.
+ (if (< (current-column) cfi)
+ (move-to-column cfi)))))
+
;; Historically this was a separate function which advertised itself
;; as reindenting but only did so where `most likely to be necessary'.
(defalias 'fortran-indent-new-line 'reindent-then-newline-and-indent)
(let (then-test) ;multi-line if-then
(while (and (= (forward-line 1) 0)
;;search forward for then
- (looking-at " [^ 0\n]\\|\t[1-9]")
+ (looking-at " \\{5\\}[^ 0\n]\\|\t[1-9]")
(not (setq then-test
(looking-at
".*then\\b[ \t]\
(save-excursion
(beginning-of-line)
(cond ((looking-at "[ \t]*$"))
+ ;; Check for directive before comment, so as not to indent.
+ ((looking-at fortran-directive-re)
+ (setq fortran-minimum-statement-indent 0 icol 0))
((looking-at fortran-comment-line-start-skip)
(cond ((eq fortran-comment-indent-style 'relative)
(setq icol (+ icol fortran-comment-line-extra-indent)))
((or (looking-at (concat "[ \t]*"
(regexp-quote
fortran-continuation-string)))
- (looking-at " [^ 0\n]\\|\t[1-9]"))
+ (looking-at " \\{5\\}[^ 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))
(first-statement)
((and fortran-check-all-num-for-matching-do
(looking-at "[ \t]*[0-9]+")
(if (stringp fortran-comment-indent-char)
fortran-comment-indent-char
(char-to-string fortran-comment-indent-char))))
- ((or (looking-at " [^ 0\n]\\|\t[1-9]"))
+ ((or (looking-at " \\{5\\}[^ 0\n]\\|\t[1-9]"))
(goto-char (match-end 0)))
(t
;; Move past line number.
(delete-char 2)
(insert-char ? 5)
(insert fortran-continuation-string))
- (if (looking-at " [^ 0\n]")
+ (if (looking-at " \\{5\\}[^ 0\n]")
(if indent-tabs-mode
(progn (delete-char 6)
(insert ?\t (fortran-numerical-continuation-char) 1))
(delete-horizontal-space)
(indent-to col)
;; Indent any comment following code on the same line.
- (if (and comment-start-skip
- (fortran-find-comment-start-skip))
+ (if (fortran-find-comment-start-skip)
(progn (goto-char (match-beginning 0))
- (if (not (= (current-column)
- (fortran-comment-indent-function)))
+ (if (not (= (current-column) (fortran-comment-indent)))
(progn (delete-horizontal-space)
- (indent-to
- (fortran-comment-indent-function)))))))))
+ (indent-to (fortran-comment-indent)))))))))
(defun fortran-line-number-indented-correctly-p ()
"Return t if current line's line number is correctly indented.
(save-excursion
(narrow-to-defun)
(and (re-search-backward
- (concat "\\(^[ \t0-9]*do[ \t]*0*" charnum "\\b\\)\\|"
- "\\(^[ \t]*0*" charnum "\\b\\)")
+ (concat
+ "\\(^[ \t0-9]*do[ \t]*0*"
+ charnum "\\b\\)\\|" "\\(^[ \t]*0*"
+ charnum "\\b\\)")
nil t)
- (looking-at (concat "^[ \t0-9]*do[ \t]*0*"
- charnum))))))))))
+ (looking-at
+ (concat "^[ \t0-9]*do[ \t]*0*"
+ charnum))))))))))
-(defun fortran-find-comment-start-skip ()
+(defun fortran-find-comment-start-skip (&optional all)
"Move to past `comment-start-skip' found on current line.
-Return t if `comment-start-skip' found, nil if not."
- ;; In order to move point only if comment-start-skip is found, this
- ;; one uses a lot of save-excursions. Note that re-search-forward
- ;; moves point even if comment-start-skip is inside a string-constant.
- ;; Some code expects certain values for match-beginning and end
+Return non-nil if `comment-start-skip' found, nil if not.
+If ALL is nil, only match comments that start in column > 0."
(interactive)
- (if (save-excursion
- (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))
- (save-excursion
- (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 (line-end-position) t)
- (goto-char (match-end 0))
- t))
- nil))
+ ;; Hopefully at some point we can just use the line below! -stef
+ ;; (comment-search-forward (line-end-position) t))
+ (when (or all comment-start-skip)
+ (let ((pos (point))
+ (css (if comment-start-skip
+ (concat fortran-comment-line-start-skip
+ "\\|" comment-start-skip)
+ fortran-comment-line-start-skip)))
+ (when (re-search-forward css (line-end-position) t)
+ (if (and (or all (> (match-beginning 0) (line-beginning-position)))
+ (or (save-match-data
+ (not (fortran-is-in-string-p (match-beginning 0))))
+ ;; Recurse for rest of line.
+ (fortran-find-comment-start-skip all)))
+ (point)
+ (goto-char pos)
+ nil)))))
;;From: ralf@up3aud1.gwdg.de (Ralf Fassel)
;; Test if TAB format continuation lines work.
;; result is
(nth 3 parse-state))))))
-(defun fortran-auto-fill-mode (arg)
- "Toggle fortran-auto-fill mode.
-With ARG, turn `fortran-auto-fill' mode on iff ARG is positive.
-In `fortran-auto-fill' mode, inserting a space at a column beyond `fill-column'
-automatically breaks the line at a previous space."
- (interactive "P")
- (prog1 (setq auto-fill-function
- (if (if (null arg)
- (not auto-fill-function)
- (> (prefix-numeric-value arg) 0))
- #'fortran-do-auto-fill
- nil))
- (force-mode-line-update)))
-
-(defun fortran-do-auto-fill ()
- (if (> (current-column) fill-column)
- (fortran-indent-line)))
+;; From old version.
+(defalias 'fortran-auto-fill-mode 'auto-fill-mode)
(defun fortran-fill ()
- (let* ((auto-fill-function #'fortran-do-auto-fill)
+ (let* ((auto-fill-function #'fortran-auto-fill)
(opoint (point))
(bol (line-beginning-position))
(eol (line-end-position))
;;
;; Need to use fortran-find-comment-start-skip to make sure that quoted !'s
;; don't prevent a break.
- (if (not (or (save-excursion
- (if (and (re-search-backward comment-start-skip bol t)
- (not (fortran-is-in-string-p (point))))
- (progn
- (skip-chars-backward " \t")
- (< (current-column) (1+ fill-column)))))
- (save-excursion
- (goto-char fill-point)
- (bolp))))
- (if (> (save-excursion
+ (when (and (save-excursion
+ (beginning-of-line)
+ (when (fortran-find-comment-start-skip)
+ (goto-char (match-beginning 0))
+ (>= (point) fill-point)))
+ (save-excursion
(goto-char fill-point)
- (current-column))
- (1+ fill-column))
- (progn (goto-char fill-point)
- (fortran-break-line))
- (save-excursion
- (if (> (save-excursion
- (goto-char fill-point)
- (current-column))
- (+ (fortran-calculate-indent) fortran-continuation-indent))
- (progn
- (goto-char fill-point)
- (fortran-break-line))))))))
+ (not (bolp)))
+ (> (save-excursion
+ (goto-char opoint)
+ (current-column))
+ (min (1+ fill-column)
+ (+ (fortran-calculate-indent)
+ fortran-continuation-indent))))
+ (goto-char fill-point)
+ (fortran-break-line)
+ (end-of-line))))
(defun fortran-break-line ()
(let ((opoint (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
- (re-search-backward comment-start-skip bol t)
- (setq comment-string (buffer-substring (point) eol))
- (delete-region (point) eol))))
+ (comment-string
+ (save-excursion
+ (if (fortran-find-comment-start-skip)
+ (delete-and-extract-region
+ (match-beginning 0) (line-end-position))))))
;; Forward line 1 really needs to go to next non white line
(if (save-excursion (forward-line)
- (or (looking-at " [^ 0\n]\\|\t[1-9]")))
+ (looking-at " \\{5\\}[^ 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-indent-function))
+ (indent-to (fortran-comment-indent))
(insert comment-string)))))
(defun fortran-analyze-file-format ()
(while (not (or
(eobp)
(eq (char-after) ?\t)
- (looking-at " ")
+ (looking-at " \\{6\\}")
(> i fortran-analyze-depth)))
(forward-line)
(setq i (1+ i)))
(cond
((eq (char-after) ?\t) t)
- ((looking-at " ") nil)
+ ((looking-at " \\{6\\}") nil)
(fortran-tab-mode-default t)
(t nil)))))
(defun fortran-fill-paragraph (&optional justify)
"Fill surrounding comment block as paragraphs, else fill statement.
-
Intended as the value of `fill-paragraph-function'."
(interactive "P")
(save-excursion
(beginning-of-line)
- (if (not (looking-at "[Cc*]"))
+ (if (not (looking-at fortran-comment-line-start-skip))
(fortran-fill-statement)
- ;; We're in a comment block. Find the start and end of a
- ;; 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 "\\(" fortran-comment-line-start-skip
- "\\)" "[^ \t\n]"))
- (start (save-excursion
- ;; Find (start of) first line.
- (while (and (zerop (forward-line -1))
- (looking-at non-empty-comment)))
- (or (looking-at non-empty-comment)
- (forward-line)) ; overshot
- (point-marker)))
- (end (save-excursion
- ;; Find start of first line past region to fill.
- (while (progn (forward-line)
- (looking-at non-empty-comment)))
- (point-marker))))
- ;; Indent the block, find the string comprising the effective
- ;; comment start skip and use that as a fill-prefix for
- ;; filling the region.
- (indent-region start end nil)
- (let ((paragraph-ignore-fill-prefix nil)
- (fill-prefix (progn (beginning-of-line)
- (looking-at fortran-comment-line-start-skip)
- (match-string 0))))
- (let (fill-paragraph-function)
- (fill-region start end justify))) ; with normal `fill-paragraph'
- (set-marker start nil)
- (set-marker end nil))))
+ ;; We're in a comment block. Find the start and end of a
+ ;; 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 fortran-comment-line-start-skip "[^ \t\n]"))
+ (start (save-excursion
+ ;; Find (start of) first line.
+ (while (and (zerop (forward-line -1))
+ (looking-at non-empty-comment)))
+ (or (looking-at non-empty-comment)
+ (forward-line)) ; overshot
+ (point-marker)))
+ (end (save-excursion
+ ;; Find start of first line past region to fill.
+ (while (progn
+ (forward-line)
+ (looking-at non-empty-comment)))
+ (point-marker))))
+ ;; Indent the block, find the string comprising the effective
+ ;; comment start skip and use that as a fill-prefix for
+ ;; filling the region.
+ (indent-region start end nil)
+ (let ((paragraph-ignore-fill-prefix nil)
+ (fill-prefix (progn
+ (beginning-of-line)
+ (looking-at fortran-comment-line-start-skip)
+ (match-string 0))))
+ (let (fill-paragraph-function)
+ (fill-region start end justify))) ; with normal `fill-paragraph'
+ (set-marker start nil)
+ (set-marker end nil))))
t)
(defun fortran-fill-statement ()
"Fill a fortran statement up to `fill-column'."
(interactive)
- (let ((auto-fill-function #'fortran-do-auto-fill))
+ (let ((auto-fill-function #'fortran-auto-fill))
(if (not (save-excursion
(beginning-of-line)
(or (looking-at "[ \t]*$")
(fortran-previous-statement)))
(fortran-indent-line)))
-(defun fortran-strip-sqeuence-nos (do-space)
- "Delete all text after column 72 (assumed to be sequence numbers).
-Also delete trailing whitespace after stripping such text. Supplying
-prefix arg DO-SPACE prevent stripping the whitespace."
+(defun fortran-strip-sequence-nos (&optional do-space)
+ "Delete all text in column 72 and up (assumed to be sequence numbers).
+Normally also deletes trailing whitespace after stripping such text.
+Supplying prefix arg DO-SPACE prevents stripping the whitespace."
(interactive "p")
(save-excursion
(goto-char (point-min))
- (while (re-search-forward (concat "^" (make-string 72 ?.)" \\(.*\\)")
- nil t)
+ (while (re-search-forward "^.\\{72\\}\\(.*\\)" nil t)
(replace-match "" nil nil nil 1)
(unless do-space (delete-horizontal-space)))))
+;; This code used to live in add-log.el, but this is a better place
+;; for it.
+(defun fortran-current-defun ()
+ "Function to use for `add-log-current-defun-function' in Fortran mode."
+ ;; We must be inside function body for this to work.
+ (fortran-beginning-of-subprogram)
+ (let ((case-fold-search t)) ; case-insensitive
+ ;; search for fortran subprogram start
+ (if (re-search-forward
+ (concat "^[ \t]*\\(program\\|subroutine\\|function"
+ "\\|[ \ta-z0-9*()]*[ \t]+function\\|"
+ "\\(block[ \t]*data\\)\\)")
+ (save-excursion (fortran-end-of-subprogram)
+ (point))
+ t)
+ (or (match-string-no-properties 2)
+ (progn
+ ;; move to EOL or before first left paren
+ (if (re-search-forward "[(\n]" nil t)
+ (progn (backward-char)
+ (skip-chars-backward " \t"))
+ (end-of-line))
+ ;; Use the name preceding that.
+ (buffer-substring-no-properties (point) (progn (backward-sexp)
+ (point)))))
+ "main")))
+
(provide 'fortran)
;;; fortran.el ends here