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Diffstat (limited to 'lisp/fortran.elc')
| -rw-r--r-- | lisp/fortran.elc | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/lisp/fortran.elc b/lisp/fortran.elc new file mode 100644 index 00000000000..8759a793f28 --- /dev/null +++ b/lisp/fortran.elc @@ -0,0 +1,242 @@ + +(defvar fortran-do-indent 3 "\ +*Extra indentation applied to `do' blocks.") + +(defvar fortran-if-indent 3 "\ +*Extra indentation applied to `if' blocks.") + +(defvar fortran-continuation-indent 5 "\ +*Extra indentation applied to `continuation' lines.") + +(defvar fortran-comment-indent-style (quote fixed) "\ +*nil forces comment lines not to be touched, +'fixed produces fixed comment indentation to comment-column, +and 'relative indents to current fortran indentation plus comment-column.") + +(defvar fortran-comment-line-column 6 "\ +*Indentation for text in comment lines.") + +(defvar comment-line-start nil "\ +*Delimiter inserted to start new full-line comment.") + +(defvar comment-line-start-skip nil "\ +*Regexp to match the start of a full-line comment.") + +(defvar fortran-minimum-statement-indent 6 "\ +*Minimum indentation for fortran statements.") + +(defvar fortran-comment-indent-char 32 "\ +*Character to be inserted for Fortran comment indentation. +Normally a space.") + +(defvar fortran-line-number-indent 1 "\ +*Maximum indentation for Fortran line numbers. +5 means right-justify them within their five-column field.") + +(defvar fortran-check-all-num-for-matching-do nil "\ +*Non-nil causes all numbered lines to be treated as possible do-loop ends.") + +(defvar fortran-continuation-char 36 "\ +*Character which is inserted in column 5 by \\[fortran-split-line] +to begin a continuation line. Normally $.") + +(defvar fortran-comment-region "c$$$" "\ +*String inserted by \\[fortran-comment-region] at start of each line in region.") + +(defvar fortran-electric-line-number t "\ +*Non-nil causes line number digits to be moved to the correct column as typed.") + +(defvar fortran-startup-message t "\ +*Non-nil displays a startup message when fortran-mode is first called.") + +(defvar fortran-column-ruler (concat "0 4 6 10 20 30 40 50 60 70 +" "[ ]|{ | | | | | | | | | | | | |} +") "*String displayed above current line by \\[fortran-column-ruler].") + +(defconst fortran-mode-version "1.21") + +(defvar fortran-mode-syntax-table nil "\ +Syntax table in use in fortran-mode buffers.") + +(if fortran-mode-syntax-table nil (setq fortran-mode-syntax-table (make-syntax-table)) (modify-syntax-entry 59 "w" fortran-mode-syntax-table) (modify-syntax-entry 43 "." fortran-mode-syntax-table) (modify-syntax-entry 45 "." fortran-mode-syntax-table) (modify-syntax-entry 42 "." fortran-mode-syntax-table) (modify-syntax-entry 47 "." fortran-mode-syntax-table) (modify-syntax-entry 39 "\"" fortran-mode-syntax-table) (modify-syntax-entry 34 "\"" fortran-mode-syntax-table) (modify-syntax-entry 92 "/" fortran-mode-syntax-table) (modify-syntax-entry 46 "w" fortran-mode-syntax-table) (modify-syntax-entry 10 ">" fortran-mode-syntax-table)) + +(defvar fortran-mode-map nil "\ +Keymap used in fortran mode.") + +(if fortran-mode-map nil (setq fortran-mode-map (make-sparse-keymap)) (define-key fortran-mode-map ";" (quote fortran-abbrev-start)) (define-key fortran-mode-map ";" (quote fortran-comment-region)) (define-key fortran-mode-map "" (quote beginning-of-fortran-subprogram)) (define-key fortran-mode-map "" (quote end-of-fortran-subprogram)) (define-key fortran-mode-map ";" (quote fortran-indent-comment)) (define-key fortran-mode-map "" (quote mark-fortran-subprogram)) (define-key fortran-mode-map " +" (quote fortran-split-line)) (define-key fortran-mode-map "" (quote fortran-indent-subprogram)) (define-key fortran-mode-map "" (quote fortran-window-create)) (define-key fortran-mode-map "" (quote fortran-column-ruler)) (define-key fortran-mode-map "" (quote fortran-previous-statement)) (define-key fortran-mode-map "" (quote fortran-next-statement)) (define-key fortran-mode-map " " (quote fortran-indent-line)) (define-key fortran-mode-map "0" (quote fortran-electric-line-number)) (define-key fortran-mode-map "1" (quote fortran-electric-line-number)) (define-key fortran-mode-map "2" (quote fortran-electric-line-number)) (define-key fortran-mode-map "3" (quote fortran-electric-line-number)) (define-key fortran-mode-map "4" (quote fortran-electric-line-number)) (define-key fortran-mode-map "5" (quote fortran-electric-line-number)) (define-key fortran-mode-map "6" (quote fortran-electric-line-number)) (define-key fortran-mode-map "7" (quote fortran-electric-line-number)) (define-key fortran-mode-map "8" (quote fortran-electric-line-number)) (define-key fortran-mode-map "9" (quote fortran-electric-line-number))) + +(defvar fortran-mode-abbrev-table nil) + +(if fortran-mode-abbrev-table nil (define-abbrev-table (quote fortran-mode-abbrev-table) nil) (let ((abbrevs-changed nil)) (define-abbrev fortran-mode-abbrev-table ";b" "byte" 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 ";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 ";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 ";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 ";op" "open" nil) (define-abbrev fortran-mode-abbrev-table ";pa" "parameter" nil) (define-abbrev fortran-mode-abbrev-table ";pr" "program" nil) (define-abbrev fortran-mode-abbrev-table ";p" "print" 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 ";su" "subroutine" nil) (define-abbrev fortran-mode-abbrev-table ";ty" "type" nil) (define-abbrev fortran-mode-abbrev-table ";w" "write" nil))) + +(defun fortran-mode nil "\ +Major mode for editing fortran code. +Tab indents the current fortran line correctly. +`do' statements must not share a common `continue'. + +Type `;?' or `;\\[help-command]' to display a list of built-in abbrevs for Fortran keywords. + +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 \"!\". + fortran-do-indent + Extra indentation within do blocks. (default 3) + fortran-if-indent + Extra indentation within if blocks. (default 3) + fortran-continuation-indent + Extra indentation appled to continuation statements. (default 5) + fortran-comment-line-column + Amount of indentation for text within full-line comments. (default 6) + fortran-comment-indent-style + nil means don't change indentation of text in full-line comments, + fixed means indent that text at column fortran-comment-line-column + relative means indent at fortran-comment-line-column beyond the + indentation for a line of code. + Default value is fixed. + fortran-comment-indent-char + Character to be inserted instead of space for full-line comment + indentation. (default is a space) + fortran-minimum-statement-indent + Minimum indentation for fortran statements. (default 6) + fortran-line-number-indent + Maximum indentation for line numbers. A line number will get + less than this much indentation if necessary to avoid reaching + column 5. (default 1) + fortran-check-all-num-for-matching-do + Non-nil causes all numbered lines to be treated as possible 'continue' + statements. (default nil) + fortran-continuation-char + character to be inserted in column 5 of a continuation line. + (default $) + fortran-comment-region + String inserted by \\[fortran-comment-region] at start of each line in + region. (default \"c$$$\") + fortran-electric-line-number + Non-nil causes line number digits to be moved to the correct column + as typed. (default t) + fortran-startup-message + Set to nil to inhibit message first time fortran-mode is used. + +Turning on Fortran mode calls the value of the variable fortran-mode-hook +with no args, if that value is non-nil. +\\{fortran-mode-map}" (interactive) (byte-code "ÂˆÓ ˆ…
+ˆ×Ë!ˆÂ‰ ˆ×Ì!ˆÍ‰ ˆ×Î!ˆÍ‰ˆ×Ï!ˆÂ‰ˆÝ!ˆÞ‰ˆß‰ˆàá!‡" [fortran-startup-message fortran-mode-version nil local-abbrev-table fortran-mode-abbrev-table fortran-mode-syntax-table indent-line-function comment-indent-hook comment-line-start-skip comment-line-start comment-start-skip comment-start require-final-newline t abbrev-all-caps indent-tabs-mode fortran-mode-map mode-name major-mode kill-all-local-variables message "Emacs Fortran mode version %s. Bugs to bug-fortran-mode@erl.mit.edu" set-syntax-table make-local-variable fortran-indent-line fortran-comment-hook "^[Cc*][^ +]*[ ]*" "c" "![ ]*" use-local-map "Fortran" fortran-mode run-hooks fortran-mode-hook] 15)) + +(defun fortran-comment-hook nil (byte-code "ŠÁÂ!ˆÃi\\])‡" [comment-column skip-chars-backward " " 1] 3)) + +(defun fortran-indent-comment nil "\ +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. +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) (byte-code "ÆˆÇ ˆÈ!ƒ +" forward-char -1 insert-char 0 calculate-fortran-indent] 19)) + +(defun fortran-comment-region (beg-region end-region arg) "\ +Comments every line in the region. +Puts fortran-comment-region at the beginning of every line in the region. +BEG-REGION and END-REGION are args which specify the region boundaries. +With non-nil ARG, uncomments the region." (interactive "*r +P") (byte-code "ÇˆÈ É Ê +\"ˆ bˆË ˆ ?ƒ2 + +(defun fortran-abbrev-start nil "\ +Typing \";\\[help-command]\" or \";?\" lists all the fortran abbrevs. +Any other key combination is executed normally." (interactive) (byte-code "ÄˆÄ cˆr‰ÅU† +Uƒ + +(defun fortran-abbrev-help nil "\ +List the currently defined abbrevs in Fortran mode." (interactive) (byte-code "ÁˆÂÃ!ˆÄÅ!ˆÆÇ\"ˆÂÈ!‡" [fortran-mode-abbrev-table nil message "Listing abbrev table..." require abbrevlist list-one-abbrev-table "*Help*" "Listing abbrev table...done"] 5)) + +(defun fortran-column-ruler nil "\ +Inserts a column ruler momentarily above current line, till next keystroke. +The ruler is defined by the value of fortran-column-ruler. +The key typed is executed unless it is SPC." (interactive) (byte-code "ÁˆÂŠÃ ˆ`)ÁÄ$‡" [fortran-column-ruler nil momentary-string-display beginning-of-line "Type SPC or any command to erase ruler."] 6)) + +(defun fortran-window-create nil "\ +Makes the window 72 columns wide." (interactive) (byte-code "ˆÃÄÅ!)ˆÆÇ!ˆÈÉÁ\"ˆÊË !‡" [window-min-width t nil 2 split-window-horizontally 73 other-window 1 switch-to-buffer " fortran-window-extra" select-window previous-window] 6)) + +(defun fortran-split-line nil "\ +Break line at point and insert continuation marker and alignment." (interactive) (byte-code "ÃˆÄ ˆŠÅ ˆÆ!)ƒ +\"ˆË ‡" [comment-line-start-skip comment-line-start fortran-continuation-char nil delete-horizontal-space beginning-of-line looking-at insert " +" " " " + " fortran-indent-line] 7)) + +(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") (byte-code "ÁˆÂ!ˆÃ`Ä!ˆ`\"‡" [chars nil skip-chars-backward delete-region skip-chars-forward] 5)) + +(defun fortran-electric-line-number (arg) "\ +Self insert, but if part of a Fortran line number indent it automatically. +Auto-indent does not happen if a numeric arg is used." (interactive "P") (byte-code "Ĉ† + +(defun beginning-of-fortran-subprogram nil "\ +Moves point to the beginning of the current fortran subprogram." (interactive) (byte-code "ˆÁÃÄ!ˆÅÆÂÇ#ˆÈÆ!… + +(defun end-of-fortran-subprogram nil "\ +Moves point to the end of the current fortran subprogram." (interactive) (byte-code "ˆÁÃÄ!ˆÅÆÂÇ#ˆÈÉ!bˆÊË!)‡" [case-fold-search t nil beginning-of-line 2 re-search-forward "^[ 0-9]*end\\b[ ]*[^ =(a-z]" move match-beginning 0 forward-line 1] 5)) + +(defun mark-fortran-subprogram nil "\ +Put mark at end of fortran subprogram, point at beginning. +The marks are pushed." (interactive) (byte-code "ÀˆÁ ˆÂ`!ˆÃ ‡" [nil end-of-fortran-subprogram push-mark beginning-of-fortran-subprogram] 4)) + +(defun fortran-previous-statement nil "\ +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." (interactive) (byte-code "ňÅÅÆ ˆÇÈÉÊ +!!P!† +]" forward-line -1 0 "[ ]*$" message "Incomplete continuation statement." fortran-previous-statement first-statement] 13)) + +(defun fortran-next-statement nil "\ +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." (interactive) (byte-code "ÈÃÄ ˆÅÆ!ÇU‰…( +P!…0 +]" "[ ]*" last-statement] 8)) + +(defun fortran-indent-line nil "\ +Indents current fortran line based on its contents and on previous lines." (interactive) (byte-code "ÃˆÄ ŠÅ ˆÆ U?† +ŠÌ ˆ`)Í#…9 + +(defun fortran-indent-subprogram nil "\ +Properly indents the Fortran subprogram which contains point." (interactive) (byte-code "ÀˆŠÁ ˆÂÃ!ˆÄ`Å À#)ˆÂÆ!‡" [nil mark-fortran-subprogram message "Indenting subprogram..." indent-region mark "Indenting subprogram...done."] 7)) + +(defun calculate-fortran-indent nil "\ +Calculates the fortran indent column based on previous lines." (byte-code "ÎÎÃŠÏ ‰ˆ ƒ +\\‰‚ +‰‚?Óáâã !!P!†À +]" "[ ]*[0-9]+" fortran-check-for-matching-do "end[ ]*if\\b" "continue\\b" "end[ ]*do\\b" "end\\b[ ]*[^ =(a-z]" message "Warning: `end' not in column %d. Probably an unclosed block."] 29)) + +(defun fortran-current-line-indentation nil "\ +Indentation of current line, ignoring Fortran line number or continuation. +This is the column position of the first non-whitespace character +aside from the line number and/or column 5 line-continuation character. +For comment lines, returns indentation of the first +non-indentation text within the comment." (byte-code "ŠÃ ˆÄ!ƒ +]" move-to-column 5 " "] 10)) + +(defun fortran-indent-to-column (col) "\ +Indents current line with spaces to column COL. +notes: 1) A non-zero/non-blank character in column 5 indicates a continuation + line, and this continuation character is retained on indentation; + 2) If fortran-continuation-char is the first non-whitespace character, + this is a continuation line; + 3) A non-continuation line which has a number as the first + non-whitespace character is a numbered line." (byte-code "ŠÊ ˆË!ƒ2 +!P!ˆÑ + iZ\")‚£ +]" forward-char 6 delete-horizontal-space 5 1 "[0-9]+" message "Warning: line number exceeds 5-digit limit." skip-chars-forward "0-9" re-search-forward end-of-line match-beginning fortran-comment-hook] 22)) + +(defun fortran-line-number-indented-correctly-p nil "\ +Return t if current line's line number is correctly indente. +Do not call if there is no line number." (byte-code "ŠÁ ˆÂÃ!ˆiX… + +(defun fortran-check-for-matching-do nil "\ +When called from a numbered statement, returns t + if matching 'do' is found, and nil otherwise." (byte-code "ÃÂŠÄ ˆÅÆ!…7 |