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43e34a41 RS |
1 | ;;; dcl-mode.el --- major mode for editing DCL command files |
2 | ||
5ed619e0 GM |
3 | ;; Copyright (C) 1997, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, |
4 | ;; 2009, 2010 Free Software Foundation, Inc. | |
d898671f | 5 | |
43e34a41 RS |
6 | ;; Author: Odd Gripenstam <gripenstamol@decus.se> |
7 | ;; Maintainer: Odd Gripenstam <gripenstamol@decus.se> | |
8 | ;; Keywords: DCL editing major-mode languages | |
9 | ||
d898671f RS |
10 | ;; This file is part of GNU Emacs. |
11 | ||
b1fc2b50 | 12 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
d898671f | 13 | ;; it under the terms of the GNU General Public License as published by |
b1fc2b50 GM |
14 | ;; the Free Software Foundation, either version 3 of the License, or |
15 | ;; (at your option) any later version. | |
d898671f RS |
16 | |
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
b1fc2b50 | 23 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
d898671f | 24 | |
43e34a41 RS |
25 | ;;; Commentary: |
26 | ||
27 | ;; DCL mode is a package for editing DCL command files. It helps you | |
28 | ;; indent lines, add leading `$' and trailing `-', move around in the | |
29 | ;; code and insert lexical functions. | |
30 | ;; | |
31 | ;; Type `C-h m' when you are editing a .COM file to get more | |
32 | ;; information about this mode. | |
a1506d29 | 33 | ;; |
43e34a41 RS |
34 | ;; To use templates you will need a version of tempo.el that is at |
35 | ;; least later than the buggy 1.1.1, which was included with my versions of | |
a1506d29 | 36 | ;; Emacs. I used version 1.2.4. |
43e34a41 RS |
37 | ;; The latest tempo.el distribution can be fetched from |
38 | ;; ftp.lysator.liu.se in the directory /pub/emacs. | |
39 | ;; I recommend setting (setq tempo-interactive t). This will make | |
40 | ;; tempo prompt you for values to put in the blank spots in the templates. | |
41 | ;; | |
42 | ;; There is limited support for imenu. The limitation is that you need | |
43 | ;; a version of imenu.el that uses imenu-generic-expression. I found | |
44 | ;; the version I use in Emacs 19.30. (It was *so* much easier to hook | |
45 | ;; into that version than the one in 19.27...) | |
46 | ;; | |
47 | ;; Any feedback will be welcomed. If you write functions for | |
48 | ;; dcl-calc-command-indent-function or dcl-calc-cont-indent-function, | |
a1506d29 JB |
49 | ;; please send them to the maintainer. |
50 | ;; | |
43e34a41 RS |
51 | ;; |
52 | ;; Ideas for improvement: | |
334f206c | 53 | ;; * Better font-lock support. |
43e34a41 RS |
54 | ;; * Change meaning of `left margin' when dcl-tab-always-indent is nil. |
55 | ;; Consider the following line (`_' is the cursor): | |
56 | ;; $ label: _ command | |
57 | ;; Pressing tab with the cursor at the underline now inserts a tab. | |
58 | ;; This should be part of the left margin and pressing tab should indent | |
59 | ;; the line. | |
60 | ;; * Make M-LFD work properly with comments in all cases. Now it only | |
61 | ;; works on comment-only lines. But what is "properly"? New rules for | |
62 | ;; indenting comments? | |
63 | ;; * Even smarter indentation of continuation lines. | |
64 | ;; * A delete-indentation function (M-^) that joins continued lines, | |
65 | ;; including lines with end line comments? | |
66 | ;; * Handle DECK/EOD. | |
67 | ;; * `indent list' commands: C-M-q, C-u TAB. What is a list in DCL? One | |
68 | ;; complete command line? A block? A subroutine? | |
69 | ||
70 | ;;; Code: | |
71 | ||
51fc848b | 72 | (require 'tempo) |
51fc848b | 73 | |
43e34a41 RS |
74 | ;;; *** Customization ***************************************************** |
75 | ||
334f206c TTN |
76 | |
77 | ;; First, font lock. This is a minimal approach, please improve! | |
78 | ||
79 | (defvar dcl-font-lock-keywords | |
80 | '(("\\<\\(if\\|then\\|else\\|endif\\)\\>" | |
81 | 1 font-lock-keyword-face) | |
7651545c | 82 | ("\\<f[$][a-z_]+\\>" |
334f206c TTN |
83 | 0 font-lock-builtin-face) |
84 | ("[.]\\(eq\\|not\\|or\\|and\\|lt\\|gt\\|le\\|ge\\|eqs\\|nes\\)[.]" | |
85 | 0 font-lock-builtin-face)) | |
86 | "Font lock keyword specification for DCL mode. | |
87 | Presently this includes some syntax, .OP.erators, and \"f$\" lexicals.") | |
88 | ||
89 | (defvar dcl-font-lock-defaults | |
90 | '(dcl-font-lock-keywords nil) | |
91 | "Font lock specification for DCL mode.") | |
92 | ||
93 | ||
94 | ;; Now the rest. | |
95 | ||
174c05ac | 96 | (defgroup dcl nil |
28d16ed3 | 97 | "Major mode for editing DCL command files." |
8ec3bce0 | 98 | :link '(custom-group-link :tag "Font Lock Faces group" font-lock-faces) |
28d16ed3 | 99 | :group 'languages) |
43e34a41 | 100 | |
28d16ed3 | 101 | (defcustom dcl-basic-offset 4 |
43e34a41 RS |
102 | "*Number of columns to indent a block in DCL. |
103 | A block is the commands between THEN-ELSE-ENDIF and between the commands | |
104 | dcl-block-begin-regexp and dcl-block-end-regexp. | |
105 | ||
106 | The meaning of this variable may be changed if | |
28d16ed3 AS |
107 | dcl-calc-command-indent-function is set to a function." |
108 | :type 'integer | |
109 | :group 'dcl) | |
43e34a41 RS |
110 | |
111 | ||
28d16ed3 | 112 | (defcustom dcl-continuation-offset 6 |
43e34a41 RS |
113 | "*Number of columns to indent a continuation line in DCL. |
114 | A continuation line is a line that follows a line ending with `-'. | |
115 | ||
116 | The meaning of this variable may be changed if | |
28d16ed3 AS |
117 | dcl-calc-cont-indent-function is set to a function." |
118 | :type 'integer | |
119 | :group 'dcl) | |
43e34a41 RS |
120 | |
121 | ||
28d16ed3 | 122 | (defcustom dcl-margin-offset 8 |
43e34a41 | 123 | "*Indentation for the first command line in DCL. |
a1506d29 | 124 | The first command line in a file or after a SUBROUTINE statement is indented |
43e34a41 RS |
125 | this much. Other command lines are indented the same number of columns as |
126 | the preceding command line. | |
28d16ed3 AS |
127 | A command line is a line that starts with `$'." |
128 | :type 'integer | |
129 | :group 'dcl) | |
43e34a41 RS |
130 | |
131 | ||
28d16ed3 | 132 | (defcustom dcl-margin-label-offset 2 |
43e34a41 RS |
133 | "*Number of columns to indent a margin label in DCL. |
134 | A margin label is a label that doesn't begin or end a block, i.e. it | |
28d16ed3 AS |
135 | doesn't match dcl-block-begin-regexp or dcl-block-end-regexp." |
136 | :type 'integer | |
137 | :group 'dcl) | |
43e34a41 RS |
138 | |
139 | ||
28d16ed3 | 140 | (defcustom dcl-comment-line-regexp "^\\$!" |
43e34a41 | 141 | "*Regexp describing the start of a comment line in DCL. |
28d16ed3 AS |
142 | Comment lines are not indented." |
143 | :type 'regexp | |
144 | :group 'dcl) | |
43e34a41 RS |
145 | |
146 | ||
28d16ed3 | 147 | (defcustom dcl-block-begin-regexp "loop[0-9]*:" |
43e34a41 | 148 | "*Regexp describing a command that begins an indented block in DCL. |
28d16ed3 AS |
149 | Set to nil to only indent at THEN-ELSE-ENDIF." |
150 | :type 'regexp | |
151 | :group 'dcl) | |
43e34a41 RS |
152 | |
153 | ||
28d16ed3 | 154 | (defcustom dcl-block-end-regexp "endloop[0-9]*:" |
43e34a41 | 155 | "*Regexp describing a command that ends an indented block in DCL. |
28d16ed3 AS |
156 | Set to nil to only indent at THEN-ELSE-ENDIF." |
157 | :type 'regexp | |
158 | :group 'dcl) | |
43e34a41 RS |
159 | |
160 | ||
28d16ed3 | 161 | (defcustom dcl-calc-command-indent-function nil |
43e34a41 | 162 | "*Function to calculate indentation for a command line in DCL. |
a1506d29 | 163 | If this variable is non-nil it is called as a function: |
43e34a41 RS |
164 | |
165 | \(func INDENT-TYPE CUR-INDENT EXTRA-INDENT LAST-POINT THIS-POINT) | |
166 | ||
a1506d29 | 167 | The function must return the number of columns to indent the current line or |
43e34a41 RS |
168 | nil to get the default indentation. |
169 | ||
170 | INDENT-TYPE is a symbol indicating what kind of indentation should be done. | |
171 | It can have the following values: | |
172 | indent the lines indentation should be increased, e.g. after THEN. | |
173 | outdent the lines indentation should be decreased, e.g a line with ENDIF. | |
174 | first-line indentation for the first line in a buffer or SUBROUTINE. | |
175 | CUR-INDENT is the indentation of the preceding command line. | |
a1506d29 | 176 | EXTRA-INDENT is the default change in indentation for this line |
43e34a41 RS |
177 | \(a negative number for 'outdent). |
178 | LAST-POINT is the buffer position of the first significant word on the | |
179 | previous line or nil if the current line is the first line. | |
180 | THIS-POINT is the buffer position of the first significant word on the | |
181 | current line. | |
182 | ||
a1506d29 | 183 | If this variable is nil, the indentation is calculated as |
43e34a41 RS |
184 | CUR-INDENT + EXTRA-INDENT. |
185 | ||
186 | This package includes two functions suitable for this: | |
187 | dcl-calc-command-indent-multiple | |
28d16ed3 | 188 | dcl-calc-command-indent-hang" |
48c9c439 | 189 | :type '(choice (const nil) function) |
28d16ed3 | 190 | :group 'dcl) |
43e34a41 RS |
191 | |
192 | ||
28d16ed3 | 193 | (defcustom dcl-calc-cont-indent-function 'dcl-calc-cont-indent-relative |
43e34a41 | 194 | "*Function to calculate indentation for a continuation line. |
a1506d29 | 195 | If this variable is non-nil it is called as a function: |
43e34a41 RS |
196 | |
197 | \(func CUR-INDENT EXTRA-INDENT) | |
198 | ||
a1506d29 | 199 | The function must return the number of columns to indent the current line or |
43e34a41 RS |
200 | nil to get the default indentation. |
201 | ||
a1506d29 | 202 | If this variable is nil, the indentation is calculated as |
43e34a41 RS |
203 | CUR-INDENT + EXTRA-INDENT. |
204 | ||
205 | This package includes one function suitable for this: | |
28d16ed3 AS |
206 | dcl-calc-cont-indent-relative" |
207 | :type 'function | |
208 | :group 'dcl) | |
43e34a41 RS |
209 | |
210 | ||
28d16ed3 | 211 | (defcustom dcl-tab-always-indent t |
43e34a41 RS |
212 | "*Controls the operation of the TAB key in DCL mode. |
213 | If t, pressing TAB always indents the current line. | |
214 | If nil, pressing TAB indents the current line if point is at the left margin. | |
a1506d29 | 215 | Data lines (i.e. lines not part of a command line or continuation line) are |
28d16ed3 AS |
216 | never indented." |
217 | :type 'boolean | |
218 | :group 'dcl) | |
43e34a41 RS |
219 | |
220 | ||
28d16ed3 AS |
221 | (defcustom dcl-electric-characters t |
222 | "*Non-nil means reindent immediately when a label, ELSE or ENDIF is inserted." | |
223 | :type 'boolean | |
224 | :group 'dcl) | |
43e34a41 RS |
225 | |
226 | ||
28d16ed3 AS |
227 | (defcustom dcl-tempo-comma ", " |
228 | "*Text to insert when a comma is needed in a template, in DCL mode." | |
229 | :type 'string | |
230 | :group 'dcl) | |
43e34a41 | 231 | |
28d16ed3 AS |
232 | (defcustom dcl-tempo-left-paren "(" |
233 | "*Text to insert when a left parenthesis is needed in a template in DCL." | |
234 | :type 'string | |
235 | :group 'dcl) | |
43e34a41 RS |
236 | |
237 | ||
28d16ed3 AS |
238 | (defcustom dcl-tempo-right-paren ")" |
239 | "*Text to insert when a right parenthesis is needed in a template in DCL." | |
240 | :type 'string | |
241 | :group 'dcl) | |
43e34a41 RS |
242 | |
243 | ; I couldn't decide what looked best, so I'll let you decide... | |
244 | ; Remember, you can also customize this with imenu-submenu-name-format. | |
28d16ed3 AS |
245 | (defcustom dcl-imenu-label-labels "Labels" |
246 | "*Imenu menu title for sub-listing with label names." | |
247 | :type 'string | |
248 | :group 'dcl) | |
249 | (defcustom dcl-imenu-label-goto "GOTO" | |
250 | "*Imenu menu title for sub-listing with GOTO statements." | |
251 | :type 'string | |
252 | :group 'dcl) | |
253 | (defcustom dcl-imenu-label-gosub "GOSUB" | |
254 | "*Imenu menu title for sub-listing with GOSUB statements." | |
255 | :type 'string | |
256 | :group 'dcl) | |
257 | (defcustom dcl-imenu-label-call "CALL" | |
258 | "*Imenu menu title for sub-listing with CALL statements." | |
259 | :type 'string | |
260 | :group 'dcl) | |
261 | ||
262 | (defcustom dcl-imenu-generic-expression | |
8a946354 SS |
263 | `((nil "^\\$[ \t]*\\([A-Za-z0-9_\$]+\\):[ \t]+SUBROUTINE\\b" 1) |
264 | (,dcl-imenu-label-labels | |
43e34a41 | 265 | "^\\$[ \t]*\\([A-Za-z0-9_\$]+\\):\\([ \t]\\|$\\)" 1) |
8a946354 SS |
266 | (,dcl-imenu-label-goto "\\s-GOTO[ \t]+\\([A-Za-z0-9_\$]+\\)" 1) |
267 | (,dcl-imenu-label-gosub "\\s-GOSUB[ \t]+\\([A-Za-z0-9_\$]+\\)" 1) | |
268 | (,dcl-imenu-label-call "\\s-CALL[ \t]+\\([A-Za-z0-9_\$]+\\)" 1)) | |
28d16ed3 | 269 | "*Default imenu generic expression for DCL. |
43e34a41 RS |
270 | |
271 | The default includes SUBROUTINE labels in the main listing and | |
a1506d29 | 272 | sub-listings for other labels, CALL, GOTO and GOSUB statements. |
28d16ed3 AS |
273 | See `imenu-generic-expression' for details." |
274 | :type '(repeat (sexp :tag "Imenu Expression")) | |
275 | :group 'dcl) | |
43e34a41 RS |
276 | |
277 | ||
28d16ed3 AS |
278 | (defcustom dcl-mode-hook nil |
279 | "*Hook called by `dcl-mode'." | |
280 | :type 'hook | |
281 | :group 'dcl) | |
43e34a41 RS |
282 | |
283 | ||
284 | ;;; *** Global variables **************************************************** | |
285 | ||
286 | ||
287 | (defvar dcl-mode-syntax-table nil | |
288 | "Syntax table used in DCL-buffers.") | |
09d252f2 | 289 | (unless dcl-mode-syntax-table |
43e34a41 RS |
290 | (setq dcl-mode-syntax-table (make-syntax-table)) |
291 | (modify-syntax-entry ?! "<" dcl-mode-syntax-table) ; comment start | |
292 | (modify-syntax-entry ?\n ">" dcl-mode-syntax-table) ; comment end | |
293 | (modify-syntax-entry ?< "(>" dcl-mode-syntax-table) ; < and ... | |
294 | (modify-syntax-entry ?> ")<" dcl-mode-syntax-table) ; > is a matching pair | |
09d252f2 | 295 | (modify-syntax-entry ?\\ "_" dcl-mode-syntax-table) ; not an escape |
a1506d29 | 296 | ) |
43e34a41 RS |
297 | |
298 | ||
299 | (defvar dcl-mode-map () | |
300 | "Keymap used in DCL-mode buffers.") | |
301 | (if dcl-mode-map | |
302 | () | |
303 | (setq dcl-mode-map (make-sparse-keymap)) | |
304 | (define-key dcl-mode-map "\e\n" 'dcl-split-line) | |
305 | (define-key dcl-mode-map "\e\t" 'tempo-complete-tag) | |
306 | (define-key dcl-mode-map "\e^" 'dcl-delete-indentation) | |
307 | (define-key dcl-mode-map "\em" 'dcl-back-to-indentation) | |
308 | (define-key dcl-mode-map "\ee" 'dcl-forward-command) | |
309 | (define-key dcl-mode-map "\ea" 'dcl-backward-command) | |
310 | (define-key dcl-mode-map "\e\C-q" 'dcl-indent-command) | |
311 | (define-key dcl-mode-map "\t" 'dcl-tab) | |
312 | (define-key dcl-mode-map ":" 'dcl-electric-character) | |
313 | (define-key dcl-mode-map "F" 'dcl-electric-character) | |
314 | (define-key dcl-mode-map "f" 'dcl-electric-character) | |
315 | (define-key dcl-mode-map "E" 'dcl-electric-character) | |
316 | (define-key dcl-mode-map "e" 'dcl-electric-character) | |
317 | (define-key dcl-mode-map "\C-c\C-o" 'dcl-set-option) | |
318 | (define-key dcl-mode-map "\C-c\C-f" 'tempo-forward-mark) | |
319 | (define-key dcl-mode-map "\C-c\C-b" 'tempo-backward-mark) | |
320 | ||
321 | (define-key dcl-mode-map [menu-bar] (make-sparse-keymap)) | |
322 | (define-key dcl-mode-map [menu-bar dcl] | |
323 | (cons "DCL" (make-sparse-keymap "DCL"))) | |
324 | ||
325 | ;; Define these in bottom-up order | |
326 | (define-key dcl-mode-map [menu-bar dcl tempo-backward-mark] | |
327 | '("Previous template mark" . tempo-backward-mark)) | |
328 | (define-key dcl-mode-map [menu-bar dcl tempo-forward-mark] | |
329 | '("Next template mark" . tempo-forward-mark)) | |
330 | (define-key dcl-mode-map [menu-bar dcl tempo-complete-tag] | |
331 | '("Complete template tag" . tempo-complete-tag)) | |
332 | (define-key dcl-mode-map [menu-bar dcl dcl-separator-tempo] | |
333 | '("--")) | |
334 | (define-key dcl-mode-map [menu-bar dcl dcl-save-all-options] | |
335 | '("Save all options" . dcl-save-all-options)) | |
336 | (define-key dcl-mode-map [menu-bar dcl dcl-save-nondefault-options] | |
337 | '("Save changed options" . dcl-save-nondefault-options)) | |
338 | (define-key dcl-mode-map [menu-bar dcl dcl-set-option] | |
339 | '("Set option" . dcl-set-option)) | |
340 | (define-key dcl-mode-map [menu-bar dcl dcl-separator-option] | |
341 | '("--")) | |
342 | (define-key dcl-mode-map [menu-bar dcl dcl-delete-indentation] | |
343 | '("Delete indentation" . dcl-delete-indentation)) | |
344 | (define-key dcl-mode-map [menu-bar dcl dcl-split-line] | |
345 | '("Split line" . dcl-split-line)) | |
346 | (define-key dcl-mode-map [menu-bar dcl dcl-indent-command] | |
347 | '("Indent command" . dcl-indent-command)) | |
348 | (define-key dcl-mode-map [menu-bar dcl dcl-tab] | |
349 | '("Indent line/insert tab" . dcl-tab)) | |
350 | (define-key dcl-mode-map [menu-bar dcl dcl-back-to-indentation] | |
351 | '("Back to indentation" . dcl-back-to-indentation)) | |
352 | (define-key dcl-mode-map [menu-bar dcl dcl-forward-command] | |
353 | '("End of statement" . dcl-forward-command)) | |
354 | (define-key dcl-mode-map [menu-bar dcl dcl-backward-command] | |
355 | '("Beginning of statement" . dcl-backward-command)) | |
356 | ;; imenu is only supported for versions with imenu-generic-expression | |
357 | (if (boundp 'imenu-generic-expression) | |
358 | (progn | |
359 | (define-key dcl-mode-map [menu-bar dcl dcl-separator-movement] | |
360 | '("--")) | |
361 | (define-key dcl-mode-map [menu-bar dcl imenu] | |
362 | '("Buffer index menu" . imenu)))) | |
363 | ) | |
364 | ||
365 | ||
28d16ed3 | 366 | (defcustom dcl-ws-r |
43e34a41 RS |
367 | "\\([ \t]*-[ \t]*\\(!.*\\)*\n\\)*[ \t]*" |
368 | "Regular expression describing white space in a DCL command line. | |
369 | White space is any number of continued lines with only space,tab,endcomment | |
28d16ed3 AS |
370 | followed by space or tab." |
371 | :type 'regexp | |
372 | :group 'dcl) | |
43e34a41 RS |
373 | |
374 | ||
28d16ed3 | 375 | (defcustom dcl-label-r |
43e34a41 RS |
376 | "[a-zA-Z0-9_\$]*:\\([ \t!]\\|$\\)" |
377 | "Regular expression describing a label. | |
28d16ed3 AS |
378 | A label is a name followed by a colon followed by white-space or end-of-line." |
379 | :type 'regexp | |
380 | :group 'dcl) | |
43e34a41 RS |
381 | |
382 | ||
a1506d29 | 383 | (defcustom dcl-cmd-r |
43e34a41 RS |
384 | "^\\$\\(.*-[ \t]*\\(!.*\\)*\n\\)*[^!\"\n]*\\(\".*\\(\"\".*\\)*\"\\)*[^!\"\n]*" |
385 | "Regular expression describing a DCL command line up to a trailing comment. | |
386 | A line starting with $, optionally followed by continuation lines, | |
387 | followed by the end of the command line. | |
388 | A continuation line is any characters followed by `-', | |
28d16ed3 AS |
389 | optionally followed by a comment, followed by a newline." |
390 | :type 'regexp | |
391 | :group 'dcl) | |
43e34a41 RS |
392 | |
393 | ||
a1506d29 | 394 | (defcustom dcl-command-regexp |
43e34a41 RS |
395 | "^\\$\\(.*-[ \t]*\\(!.*\\)*\n\\)*.*\\(\".*\\(\"\".*\\)*\"\\)*" |
396 | "Regular expression describing a DCL command line. | |
397 | A line starting with $, optionally followed by continuation lines, | |
398 | followed by the end of the command line. | |
399 | A continuation line is any characters followed by `-', | |
28d16ed3 AS |
400 | optionally followed by a comment, followed by a newline." |
401 | :type 'regexp | |
402 | :group 'dcl) | |
43e34a41 RS |
403 | |
404 | ||
28d16ed3 | 405 | (defcustom dcl-electric-reindent-regexps |
43e34a41 RS |
406 | (list "endif" "else" dcl-label-r) |
407 | "*Regexps that can trigger an electric reindent. | |
408 | A list of regexps that will trigger a reindent if the last letter | |
409 | is defined as dcl-electric-character. | |
410 | ||
411 | E.g.: if this list contains `endif', the key `f' is defined as | |
88dbda51 | 412 | dcl-electric-character and you have just typed the `f' in |
28d16ed3 AS |
413 | `endif', the line will be reindented." |
414 | :type '(repeat regexp) | |
415 | :group 'dcl) | |
43e34a41 RS |
416 | |
417 | ||
a1506d29 | 418 | (defvar dcl-option-alist |
43e34a41 RS |
419 | '((dcl-basic-offset dcl-option-value-basic) |
420 | (dcl-continuation-offset curval) | |
421 | (dcl-margin-offset dcl-option-value-margin-offset) | |
422 | (dcl-margin-label-offset dcl-option-value-offset) | |
423 | (dcl-comment-line-regexp dcl-option-value-comment-line) | |
424 | (dcl-block-begin-regexp curval) | |
425 | (dcl-block-end-regexp curval) | |
a1506d29 JB |
426 | (dcl-tab-always-indent toggle) |
427 | (dcl-electric-characters toggle) | |
43e34a41 | 428 | (dcl-electric-reindent-regexps curval) |
a1506d29 JB |
429 | (dcl-tempo-comma curval) |
430 | (dcl-tempo-left-paren curval) | |
431 | (dcl-tempo-right-paren curval) | |
43e34a41 RS |
432 | (dcl-calc-command-indent-function curval) |
433 | (dcl-calc-cont-indent-function curval) | |
434 | (comment-start curval) | |
435 | (comment-start-skip curval) | |
436 | ) | |
437 | "Options and default values for dcl-set-option. | |
438 | ||
439 | An alist with option variables and functions or keywords to get a | |
440 | default value for the option. | |
441 | ||
442 | The keywords are: | |
443 | curval the current value | |
444 | toggle the opposite of the current value (for t/nil)") | |
445 | ||
446 | ||
a1506d29 | 447 | (defvar dcl-option-history |
43e34a41 RS |
448 | (mapcar (lambda (option-assoc) |
449 | (format "%s" (car option-assoc))) | |
450 | dcl-option-alist) | |
451 | "The history list for dcl-set-option. | |
452 | Preloaded with all known option names from dcl-option-alist") | |
453 | ||
454 | ||
455 | ;; Must be defined after dcl-cmd-r | |
456 | ;; This version is more correct but much slower than the one | |
457 | ;; above. This version won't find GOTOs in comments or text strings. | |
458 | ;(defvar dcl-imenu-generic-expression | |
459 | ; (` | |
460 | ; ((nil "^\\$[ \t]*\\([A-Za-z0-9_\$]+\\):[ \t]+SUBROUTINE\\b" 1) | |
461 | ; ("Labels" "^\\$[ \t]*\\([A-Za-z0-9_\$]+\\):\\([ \t]\\|$\\)" 1) | |
462 | ; ("GOTO" (, (concat dcl-cmd-r "GOTO[ \t]+\\([A-Za-z0-9_\$]+\\)")) 5) | |
463 | ; ("GOSUB" (, (concat dcl-cmd-r | |
464 | ; "GOSUB[ \t]+\\([A-Za-z0-9_\$]+\\)")) 5) | |
465 | ; ("CALL" (, (concat dcl-cmd-r "CALL[ \t]+\\([A-Za-z0-9_\$]+\\)")) 5))) | |
466 | ; "*Default imenu generic expression for DCL. | |
467 | ||
468 | ;The default includes SUBROUTINE labels in the main listing and | |
a1506d29 | 469 | ;sub-listings for other labels, CALL, GOTO and GOSUB statements. |
43e34a41 RS |
470 | ;See `imenu-generic-expression' in a recent (e.g. Emacs 19.30) imenu.el |
471 | ;for details.") | |
472 | ||
473 | ||
474 | ;;; *** Mode initialization ************************************************* | |
475 | ||
476 | ||
477 | ;;;###autoload | |
478 | (defun dcl-mode () | |
479 | "Major mode for editing DCL-files. | |
480 | ||
481 | This mode indents command lines in blocks. (A block is commands between | |
482 | THEN-ELSE-ENDIF and between lines matching dcl-block-begin-regexp and | |
483 | dcl-block-end-regexp.) | |
484 | ||
485 | Labels are indented to a fixed position unless they begin or end a block. | |
a1506d29 | 486 | Whole-line comments (matching dcl-comment-line-regexp) are not indented. |
43e34a41 RS |
487 | Data lines are not indented. |
488 | ||
489 | Key bindings: | |
490 | ||
491 | \\{dcl-mode-map} | |
492 | Commands not usually bound to keys: | |
493 | ||
494 | \\[dcl-save-nondefault-options]\t\tSave changed options | |
495 | \\[dcl-save-all-options]\t\tSave all options | |
496 | \\[dcl-save-option]\t\t\tSave any option | |
497 | \\[dcl-save-mode]\t\t\tSave buffer mode | |
498 | ||
499 | Variables controlling indentation style and extra features: | |
500 | ||
501 | dcl-basic-offset | |
502 | Extra indentation within blocks. | |
503 | ||
504 | dcl-continuation-offset | |
505 | Extra indentation for continued lines. | |
506 | ||
507 | dcl-margin-offset | |
508 | Indentation for the first command line in a file or SUBROUTINE. | |
509 | ||
510 | dcl-margin-label-offset | |
511 | Indentation for a label. | |
512 | ||
513 | dcl-comment-line-regexp | |
a1506d29 | 514 | Lines matching this regexp will not be indented. |
43e34a41 RS |
515 | |
516 | dcl-block-begin-regexp | |
517 | dcl-block-end-regexp | |
518 | Regexps that match command lines that begin and end, respectively, | |
519 | a block of commmand lines that will be given extra indentation. | |
520 | Command lines between THEN-ELSE-ENDIF are always indented; these variables | |
521 | make it possible to define other places to indent. | |
522 | Set to nil to disable this feature. | |
523 | ||
524 | dcl-calc-command-indent-function | |
525 | Can be set to a function that customizes indentation for command lines. | |
526 | Two such functions are included in the package: | |
527 | dcl-calc-command-indent-multiple | |
528 | dcl-calc-command-indent-hang | |
529 | ||
530 | dcl-calc-cont-indent-function | |
531 | Can be set to a function that customizes indentation for continued lines. | |
532 | One such function is included in the package: | |
533 | dcl-calc-cont-indent-relative (set by default) | |
534 | ||
535 | dcl-tab-always-indent | |
536 | If t, pressing TAB always indents the current line. | |
a1506d29 | 537 | If nil, pressing TAB indents the current line if point is at the left |
43e34a41 RS |
538 | margin. |
539 | ||
a1506d29 | 540 | dcl-electric-characters |
43e34a41 RS |
541 | Non-nil causes lines to be indented at once when a label, ELSE or ENDIF is |
542 | typed. | |
543 | ||
544 | dcl-electric-reindent-regexps | |
545 | Use this variable and function dcl-electric-character to customize | |
546 | which words trigger electric indentation. | |
547 | ||
548 | dcl-tempo-comma | |
549 | dcl-tempo-left-paren | |
550 | dcl-tempo-right-paren | |
551 | These variables control the look of expanded templates. | |
552 | ||
553 | dcl-imenu-generic-expression | |
554 | Default value for imenu-generic-expression. The default includes | |
555 | SUBROUTINE labels in the main listing and sub-listings for | |
a1506d29 | 556 | other labels, CALL, GOTO and GOSUB statements. |
43e34a41 RS |
557 | |
558 | dcl-imenu-label-labels | |
559 | dcl-imenu-label-goto | |
560 | dcl-imenu-label-gosub | |
561 | dcl-imenu-label-call | |
562 | Change the text that is used as sub-listing labels in imenu. | |
563 | ||
564 | Loading this package calls the value of the variable | |
a1506d29 JB |
565 | `dcl-mode-load-hook' with no args, if that value is non-nil. |
566 | Turning on DCL mode calls the value of the variable `dcl-mode-hook' | |
43e34a41 RS |
567 | with no args, if that value is non-nil. |
568 | ||
569 | ||
570 | The following example uses the default values for all variables: | |
571 | ||
a1506d29 | 572 | $! This is a comment line that is not indented (it matches |
43e34a41 RS |
573 | $! dcl-comment-line-regexp) |
574 | $! Next follows the first command line. It is indented dcl-margin-offset. | |
575 | $ i = 1 | |
576 | $ ! Other comments are indented like command lines. | |
577 | $ ! A margin label indented dcl-margin-label-offset: | |
a1506d29 | 578 | $ label: |
43e34a41 RS |
579 | $ if i.eq.1 |
580 | $ then | |
a1506d29 | 581 | $ ! Lines between THEN-ELSE and ELSE-ENDIF are |
43e34a41 RS |
582 | $ ! indented dcl-basic-offset |
583 | $ loop1: ! This matches dcl-block-begin-regexp... | |
584 | $ ! ...so this line is indented dcl-basic-offset | |
a1506d29 | 585 | $ text = \"This \" + - ! is a continued line |
43e34a41 RS |
586 | \"lined up with the command line\" |
587 | $ type sys$input | |
a1506d29 | 588 | Data lines are not indented at all. |
43e34a41 RS |
589 | $ endloop1: ! This matches dcl-block-end-regexp |
590 | $ endif | |
591 | $ | |
334f206c TTN |
592 | |
593 | ||
594 | There is some minimal font-lock support (see vars | |
595 | `dcl-font-lock-defaults' and `dcl-font-lock-keywords')." | |
43e34a41 RS |
596 | (interactive) |
597 | (kill-all-local-variables) | |
598 | (set-syntax-table dcl-mode-syntax-table) | |
599 | ||
600 | (make-local-variable 'indent-line-function) | |
601 | (setq indent-line-function 'dcl-indent-line) | |
602 | ||
603 | (make-local-variable 'comment-start) | |
604 | (setq comment-start "!") | |
605 | ||
606 | (make-local-variable 'comment-end) | |
607 | (setq comment-end "") | |
608 | ||
609 | (make-local-variable 'comment-multi-line) | |
610 | (setq comment-multi-line nil) | |
a1506d29 | 611 | |
43e34a41 RS |
612 | ;; This used to be "^\\$[ \t]*![ \t]*" which looks more correct. |
613 | ;; The drawback was that you couldn't make empty comment lines by pressing | |
614 | ;; C-M-j repeatedly - only the first line became a comment line. | |
615 | ;; This version has the drawback that the "$" can be anywhere in the line, | |
616 | ;; and something inappropriate might be interpreted as a comment. | |
617 | (make-local-variable 'comment-start-skip) | |
618 | (setq comment-start-skip "\\$[ \t]*![ \t]*") | |
619 | ||
620 | (if (boundp 'imenu-generic-expression) | |
c0b08eb0 DL |
621 | (progn (setq imenu-generic-expression dcl-imenu-generic-expression) |
622 | (setq imenu-case-fold-search t))) | |
43e34a41 RS |
623 | (setq imenu-create-index-function 'dcl-imenu-create-index-function) |
624 | ||
625 | (make-local-variable 'dcl-comment-line-regexp) | |
626 | (make-local-variable 'dcl-block-begin-regexp) | |
627 | (make-local-variable 'dcl-block-end-regexp) | |
628 | (make-local-variable 'dcl-basic-offset) | |
629 | (make-local-variable 'dcl-continuation-offset) | |
630 | (make-local-variable 'dcl-margin-label-offset) | |
631 | (make-local-variable 'dcl-margin-offset) | |
632 | (make-local-variable 'dcl-tab-always-indent) | |
633 | (make-local-variable 'dcl-electric-characters) | |
634 | (make-local-variable 'dcl-calc-command-indent-function) | |
635 | (make-local-variable 'dcl-calc-cont-indent-function) | |
636 | (make-local-variable 'dcl-electric-reindent-regexps) | |
a1506d29 | 637 | |
334f206c TTN |
638 | ;; font lock |
639 | (make-local-variable 'font-lock-defaults) | |
640 | (setq font-lock-defaults dcl-font-lock-defaults) | |
641 | ||
43e34a41 RS |
642 | (setq major-mode 'dcl-mode) |
643 | (setq mode-name "DCL") | |
644 | (use-local-map dcl-mode-map) | |
645 | (tempo-use-tag-list 'dcl-tempo-tags) | |
9a969196 | 646 | (run-mode-hooks 'dcl-mode-hook)) |
43e34a41 RS |
647 | |
648 | ||
649 | ;;; *** Movement commands *************************************************** | |
650 | ||
651 | ||
652 | ;;;------------------------------------------------------------------------- | |
653 | (defun dcl-beginning-of-statement () | |
654 | "Go to the beginning of the preceding or current command line." | |
655 | (interactive) | |
656 | (re-search-backward dcl-command-regexp nil t)) | |
657 | ||
658 | ||
659 | ;;;------------------------------------------------------------------------- | |
660 | (defun dcl-end-of-statement () | |
661 | "Go to the end of the next or current command line." | |
662 | (interactive) | |
663 | (if (or (dcl-end-of-command-p) | |
664 | (dcl-beginning-of-command-p) | |
665 | (not (dcl-command-p))) | |
666 | () | |
667 | (dcl-beginning-of-statement)) | |
668 | (re-search-forward dcl-command-regexp nil t)) | |
669 | ||
670 | ||
671 | ;;;------------------------------------------------------------------------- | |
672 | (defun dcl-beginning-of-command () | |
673 | "Move point to beginning of current command." | |
674 | (interactive) | |
675 | (let ((type (dcl-get-line-type))) | |
676 | (if (and (eq type '$) | |
677 | (bolp)) | |
678 | () ; already in the correct position | |
679 | (dcl-beginning-of-statement)))) | |
680 | ||
681 | ||
682 | ;;;------------------------------------------------------------------------- | |
683 | (defun dcl-end-of-command () | |
684 | "Move point to end of current command or next command if not on a command." | |
685 | (interactive) | |
686 | (let ((type (dcl-get-line-type)) | |
687 | (start (point))) | |
688 | (if (or (eq type '$) | |
689 | (eq type '-)) | |
690 | (progn | |
691 | (dcl-beginning-of-command) | |
692 | (dcl-end-of-statement)) | |
693 | (dcl-end-of-statement)))) | |
694 | ||
695 | ||
696 | ;;;------------------------------------------------------------------------- | |
697 | (defun dcl-backward-command (&optional incl-comment-commands) | |
698 | "Move backward to a command. | |
699 | Move point to the preceding command line that is not a comment line, | |
700 | a command line with only a comment, only contains a `$' or only | |
a1506d29 | 701 | contains a label. |
43e34a41 RS |
702 | |
703 | Returns point of the found command line or nil if not able to move." | |
704 | (interactive) | |
705 | (let ((start (point)) | |
706 | done | |
707 | retval) | |
708 | ;; Find first non-empty command line | |
709 | (while (not done) | |
710 | ;; back up one statement and look at the command | |
711 | (if (dcl-beginning-of-statement) | |
712 | (cond | |
713 | ((and dcl-block-begin-regexp ; might be nil | |
714 | (looking-at (concat "^\\$" dcl-ws-r | |
715 | dcl-block-begin-regexp))) | |
716 | (setq done t retval (point))) | |
717 | ((and dcl-block-end-regexp ; might be nil | |
718 | (looking-at (concat "^\\$" dcl-ws-r | |
719 | dcl-block-end-regexp))) | |
720 | (setq done t retval (point))) | |
721 | ((looking-at dcl-comment-line-regexp) | |
722 | t) ; comment line, one more loop | |
723 | ((and (not incl-comment-commands) | |
724 | (looking-at "\\$[ \t]*!")) | |
725 | t) ; comment only command, loop... | |
726 | ((looking-at "^\\$[ \t]*$") | |
727 | t) ; empty line, one more loop | |
728 | ((not (looking-at | |
729 | (concat "^\\$" dcl-ws-r dcl-label-r dcl-ws-r "$"))) | |
730 | (setq done t) ; not a label-only line, exit the loop | |
731 | (setq retval (point)))) | |
732 | ;; We couldn't go further back, and we haven't found a command yet. | |
733 | ;; Return to the start positionn | |
734 | (goto-char start) | |
735 | (setq done t) | |
736 | (setq retval nil))) | |
737 | retval)) | |
738 | ||
739 | ||
740 | ;;;------------------------------------------------------------------------- | |
741 | (defun dcl-forward-command (&optional incl-comment-commands) | |
742 | "Move forward to a command. | |
743 | Move point to the end of the next command line that is not a comment line, | |
744 | a command line with only a comment, only contains a `$' or only | |
a1506d29 | 745 | contains a label. |
43e34a41 RS |
746 | |
747 | Returns point of the found command line or nil if not able to move." | |
748 | (interactive) | |
749 | (let ((start (point)) | |
750 | done | |
751 | retval) | |
752 | ;; Find first non-empty command line | |
753 | (while (not done) | |
754 | ;; go forward one statement and look at the command | |
755 | (if (dcl-end-of-statement) | |
756 | (save-excursion | |
757 | (dcl-beginning-of-statement) | |
758 | (cond | |
759 | ((and dcl-block-begin-regexp ; might be nil | |
760 | (looking-at (concat "^\\$" dcl-ws-r | |
761 | dcl-block-begin-regexp))) | |
762 | (setq done t) | |
763 | (setq retval (point))) | |
764 | ((and dcl-block-end-regexp ; might be nil | |
765 | (looking-at (concat "^\\$" dcl-ws-r | |
766 | dcl-block-end-regexp))) | |
767 | (setq done t) | |
768 | (setq retval (point))) | |
769 | ((looking-at dcl-comment-line-regexp) | |
770 | t) ; comment line, one more loop | |
771 | ((and (not incl-comment-commands) | |
772 | (looking-at "\\$[ \t]*!")) | |
773 | t) ; comment only command, loop... | |
774 | ((looking-at "^\\$[ \t]*$") | |
775 | t) ; empty line, one more loop | |
776 | ((not (looking-at | |
777 | (concat "^\\$" dcl-ws-r dcl-label-r dcl-ws-r "$"))) | |
778 | (setq done t) ; not a label-only line, exit the loop | |
779 | (setq retval (point))))) | |
780 | ;; We couldn't go further back, and we haven't found a command yet. | |
781 | ;; Return to the start positionn | |
782 | (goto-char start) | |
783 | (setq done t) | |
784 | (setq retval nil))) | |
785 | retval)) | |
786 | ||
787 | ||
788 | ;;;------------------------------------------------------------------------- | |
789 | (defun dcl-back-to-indentation () | |
790 | "Move point to the first non-whitespace character on this line. | |
791 | Leading $ and labels counts as whitespace in this case. | |
792 | If this is a comment line then move to the first non-whitespace character | |
793 | in the comment. | |
794 | ||
a1506d29 | 795 | Typing \\[dcl-back-to-indentation] several times in a row will move point to other |
43e34a41 | 796 | `interesting' points closer to the left margin, and then back to the |
a1506d29 | 797 | rightmost point again. |
43e34a41 RS |
798 | |
799 | E.g. on the following line, point would go to the positions indicated | |
800 | by the numbers in order 1-2-3-1-... : | |
801 | ||
802 | $ label: command | |
803 | 3 2 1" | |
804 | (interactive) | |
805 | (if (eq last-command 'dcl-back-to-indentation) | |
806 | (dcl-back-to-indentation-1 (point)) | |
807 | (dcl-back-to-indentation-1))) | |
808 | (defun dcl-back-to-indentation-1 (&optional limit) | |
809 | "Helper function for dcl-back-to-indentation" | |
810 | ||
811 | ;; "Indentation points" that we will travel to | |
812 | ;; $ l: ! comment | |
813 | ;; 4 3 2 1 | |
814 | ;; | |
815 | ;; $ ! text | |
816 | ;; 3 2 1 | |
817 | ;; | |
a1506d29 | 818 | ;; $ l: command ! |
43e34a41 RS |
819 | ;; 3 2 1 |
820 | ;; | |
821 | ;; text | |
822 | ;; 1 | |
823 | ||
5ed619e0 | 824 | (let* ((default-limit (1+ (line-end-position))) |
43e34a41 RS |
825 | (limit (or limit default-limit)) |
826 | (last-good-point (point)) | |
827 | (opoint (point))) | |
828 | ;; Move over blanks | |
829 | (back-to-indentation) | |
830 | ||
831 | ;; If we already were at the outermost indentation point then we | |
832 | ;; start searching for the innermost point again. | |
833 | (if (= (point) opoint) | |
834 | (setq limit default-limit)) | |
835 | ||
836 | (if (< (point) limit) | |
837 | (setq last-good-point (point))) | |
838 | ||
839 | (cond | |
a1506d29 | 840 | ;; Special treatment for comment lines. We are trying to allow |
43e34a41 RS |
841 | ;; things like "$ !*" as comment lines. |
842 | ((looking-at dcl-comment-line-regexp) | |
843 | (re-search-forward (concat dcl-comment-line-regexp "[ \t]*") limit t) | |
844 | (if (< (point) limit) | |
845 | (setq last-good-point (point)))) | |
846 | ||
847 | ;; Normal command line | |
848 | ((looking-at "^\\$[ \t]*") | |
849 | ;; Move over leading "$" and blanks | |
850 | (re-search-forward "^\\$[ \t]*" limit t) | |
851 | (if (< (point) limit) | |
852 | (setq last-good-point (point))) | |
853 | ||
854 | ;; Move over a label (if it isn't a block begin/end) | |
855 | ;; We must treat block begin/end labels as commands because | |
856 | ;; dcl-set-option relies on it. | |
857 | (if (and (looking-at dcl-label-r) | |
858 | (not (or (and dcl-block-begin-regexp | |
859 | (looking-at dcl-block-begin-regexp)) | |
860 | (and dcl-block-end-regexp | |
861 | (looking-at dcl-block-end-regexp))))) | |
862 | (re-search-forward (concat dcl-label-r "[ \t]*") limit t)) | |
863 | (if (< (point) limit) | |
864 | (setq last-good-point (point))) | |
865 | ||
866 | ;; Move over the beginning of a comment | |
867 | (if (looking-at "![ \t]*") | |
868 | (re-search-forward "![ \t]*" limit t)) | |
869 | (if (< (point) limit) | |
870 | (setq last-good-point (point))))) | |
871 | (goto-char last-good-point))) | |
872 | ||
873 | ||
874 | ;;; *** Support for indentation ********************************************* | |
875 | ||
876 | ||
877 | (defun dcl-get-line-type () | |
878 | "Determine the type of the current line. | |
879 | Returns one of the following symbols: | |
880 | $ for a complete command line or the beginning of a command line. | |
881 | - for a continuation line | |
882 | $! for a comment line | |
883 | data for a data line | |
884 | empty-data for an empty line following a data line | |
885 | empty-$ for an empty line following a command line" | |
886 | (or | |
887 | ;; Check if it's a comment line. | |
888 | ;; A comment line starts with $! | |
889 | (save-excursion | |
890 | (beginning-of-line) | |
891 | (if (looking-at dcl-comment-line-regexp) | |
892 | '$!)) | |
893 | ;; Check if it's a command line. | |
894 | ;; A command line starts with $ | |
895 | (save-excursion | |
896 | (beginning-of-line) | |
897 | (if (looking-at "^\\$") | |
898 | '$)) | |
899 | ;; Check if it's a continuation line | |
900 | (save-excursion | |
901 | (beginning-of-line) | |
902 | ;; If we're at the beginning of the buffer it can't be a continuation | |
903 | (if (bobp) | |
904 | () | |
905 | (let ((opoint (point))) | |
906 | (dcl-beginning-of-statement) | |
907 | (re-search-forward dcl-command-regexp opoint t) | |
908 | (if (>= (point) opoint) | |
909 | '-)))) | |
910 | ;; Empty lines might be different things | |
911 | (save-excursion | |
912 | (if (and (bolp) (eolp)) | |
913 | (if (bobp) | |
914 | 'empty-$ | |
915 | (forward-line -1) | |
916 | (let ((type (dcl-get-line-type))) | |
917 | (cond | |
918 | ((or (equal type '$) (equal type '$!) (equal type '-)) | |
919 | 'empty-$) | |
920 | ((equal type 'data) | |
921 | 'empty-data)))))) | |
922 | ;; Anything else must be a data line | |
923 | (progn 'data) | |
924 | )) | |
925 | ||
926 | ||
927 | ;;;------------------------------------------------------------------------- | |
928 | (defun dcl-indentation-point () | |
929 | "Return point of first non-`whitespace' on this line." | |
930 | (save-excursion | |
931 | (dcl-back-to-indentation) | |
932 | (point))) | |
933 | ||
a1506d29 | 934 | |
43e34a41 RS |
935 | ;;;--------------------------------------------------------------------------- |
936 | (defun dcl-show-line-type () | |
937 | "Test dcl-get-line-type." | |
938 | (interactive) | |
939 | (let ((type (dcl-get-line-type))) | |
940 | (cond | |
941 | ((equal type '$) | |
942 | (message "command line")) | |
943 | ((equal type '\?) | |
944 | (message "?")) | |
945 | ((equal type '$!) | |
946 | (message "comment line")) | |
947 | ((equal type '-) | |
948 | (message "continuation line")) | |
949 | ((equal type 'data) | |
950 | (message "data")) | |
951 | ((equal type 'empty-data) | |
952 | (message "empty-data")) | |
953 | ((equal type 'empty-$) | |
954 | (message "empty-$")) | |
955 | (t | |
956 | (message "hupp")) | |
957 | ))) | |
958 | ||
959 | ||
960 | ;;; *** Perform indentation ************************************************* | |
961 | ||
962 | ||
963 | ;;;--------------------------------------------------------------------------- | |
964 | (defun dcl-calc-command-indent-multiple | |
965 | (indent-type cur-indent extra-indent last-point this-point) | |
966 | "Indent lines to a multiple of dcl-basic-offset. | |
967 | ||
968 | Set dcl-calc-command-indent-function to this function to customize | |
969 | indentation of command lines. | |
970 | ||
971 | Command lines that need to be indented beyond the left margin are | |
972 | always indented to a column that is a multiple of dcl-basic-offset, as | |
973 | if tab stops were set at 4, 8, 12, etc. | |
974 | ||
975 | This supports a formatting style like this (dcl-margin offset = 2, | |
976 | dcl-basic-offset = 4): | |
977 | ||
978 | $ if cond | |
979 | $ then | |
980 | $ if cond | |
981 | $ then | |
982 | $ ! etc | |
983 | " | |
984 | ;; calculate indentation if it's an interesting indent-type, | |
985 | ;; otherwise return nil to get the default indentation | |
986 | (let ((indent)) | |
987 | (cond | |
988 | ((equal indent-type 'indent) | |
989 | (setq indent (- cur-indent (% cur-indent dcl-basic-offset))) | |
990 | (setq indent (+ indent extra-indent)))))) | |
991 | ||
992 | ||
993 | ;;;--------------------------------------------------------------------------- | |
994 | ;; Some people actually writes likes this. To each his own... | |
995 | (defun dcl-calc-command-indent-hang | |
996 | (indent-type cur-indent extra-indent last-point this-point) | |
997 | "Indent lines as default, but indent THEN, ELSE and ENDIF extra. | |
998 | ||
999 | Set dcl-calc-command-indent-function to this function to customize | |
1000 | indentation of command lines. | |
1001 | ||
1002 | This function supports a formatting style like this: | |
1003 | ||
1004 | $ if cond | |
1005 | $ then | |
1006 | $ xxx | |
1007 | $ endif | |
1008 | $ xxx | |
1009 | ||
1010 | If you use this function you will probably want to add \"then\" to | |
1011 | dcl-electric-reindent-regexps and define the key \"n\" as | |
a1506d29 | 1012 | dcl-electric-character. |
43e34a41 RS |
1013 | " |
1014 | (let ((case-fold-search t)) | |
1015 | (save-excursion | |
1016 | (cond | |
1017 | ;; No indentation, this word is `then': +2 | |
1018 | ;; last word was endif: -2 | |
1019 | ((null indent-type) | |
1020 | (or (progn | |
1021 | (goto-char this-point) | |
1022 | (if (looking-at "\\bthen\\b") | |
1023 | (+ cur-indent extra-indent 2))) | |
1024 | (progn | |
1025 | (goto-char last-point) | |
1026 | (if (looking-at "\\bendif\\b") | |
1027 | (- (+ cur-indent extra-indent) 2))))) | |
1028 | ;; Indentation, last word was `then' or `else': -2 | |
1029 | ((equal indent-type 'indent) | |
1030 | (goto-char last-point) | |
1031 | (cond | |
1032 | ((looking-at "\\bthen\\b") | |
1033 | (- (+ cur-indent extra-indent) 2)) | |
1034 | ((looking-at "\\belse\\b") | |
1035 | (- (+ cur-indent extra-indent) 2)))) | |
a1506d29 | 1036 | ;; Outdent, this word is `endif' or `else': + 2 |
43e34a41 RS |
1037 | ((equal indent-type 'outdent) |
1038 | (goto-char this-point) | |
1039 | (cond | |
1040 | ((looking-at "\\bendif\\b") | |
1041 | (+ cur-indent extra-indent 2)) | |
1042 | ((looking-at "\\belse\\b") | |
1043 | (+ cur-indent extra-indent 2)))))))) | |
1044 | ||
1045 | ||
1046 | ;;;--------------------------------------------------------------------------- | |
1047 | (defun dcl-calc-command-indent () | |
1048 | "Calculate how much the current line shall be indented. | |
1049 | The line is known to be a command line. | |
1050 | ||
1051 | Find the indentation of the preceding line and analyze its contents to | |
1052 | see if the current lines should be indented. | |
1053 | Analyze the current line to see if it should be `outdented'. | |
1054 | ||
1055 | Calculate the indentation of the current line, either with the default | |
1056 | method or by calling dcl-calc-command-indent-function if it is | |
1057 | non-nil. | |
1058 | ||
1059 | If the current line should be outdented, calculate its indentation, | |
1060 | either with the default method or by calling | |
a1506d29 | 1061 | dcl-calc-command-indent-function if it is non-nil. |
43e34a41 RS |
1062 | |
1063 | ||
1064 | Rules for default indentation: | |
1065 | ||
1066 | If it is the first line in the buffer, indent dcl-margin-offset. | |
1067 | ||
a1506d29 | 1068 | Go to the previous command line with a command on it. |
43e34a41 RS |
1069 | Find out how much it is indented (cur-indent). |
1070 | Look at the first word on the line to see if the indentation should be | |
1071 | adjusted. Skip margin-label, continuations and comments while looking for | |
1072 | the first word. Save this buffer position as `last-point'. | |
a1506d29 | 1073 | If the first word after a label is SUBROUTINE, set extra-indent to |
43e34a41 RS |
1074 | dcl-margin-offset. |
1075 | ||
1076 | First word extra-indent | |
1077 | THEN +dcl-basic-offset | |
1078 | ELSE +dcl-basic-offset | |
1079 | block-begin +dcl-basic-offset | |
1080 | ||
1081 | Then return to the current line and look at the first word to see if the | |
1082 | indentation should be adjusted again. Save this buffer position as | |
a1506d29 | 1083 | `this-point'. |
43e34a41 RS |
1084 | |
1085 | First word extra-indent | |
1086 | ELSE -dcl-basic-offset | |
1087 | ENDIF -dcl-basic-offset | |
1088 | block-end -dcl-basic-offset | |
1089 | ||
1090 | ||
1091 | If dcl-calc-command-indent-function is nil or returns nil set | |
1092 | cur-indent to cur-indent+extra-indent. | |
1093 | ||
1094 | If an extra adjustment is necessary and if | |
1095 | dcl-calc-command-indent-function is nil or returns nil set cur-indent | |
a1506d29 | 1096 | to cur-indent+extra-indent. |
43e34a41 RS |
1097 | |
1098 | See also documentation for dcl-calc-command-indent-function. | |
1099 | The indent-type classification could probably be expanded upon. | |
1100 | " | |
1101 | () | |
1102 | (save-excursion | |
1103 | (beginning-of-line) | |
1104 | (let ((is-block nil) | |
1105 | (case-fold-search t) | |
1106 | cur-indent | |
1107 | (extra-indent 0) | |
1108 | indent-type last-point this-point extra-indent2 cur-indent2 | |
1109 | indent-type2) | |
1110 | (if (bobp) ; first line in buffer | |
1111 | (setq cur-indent 0 extra-indent dcl-margin-offset | |
1112 | indent-type 'first-line | |
1113 | this-point (dcl-indentation-point)) | |
1114 | (save-excursion | |
1115 | (let (done) | |
1116 | ;; Find first non-empty command line | |
1117 | (while (not done) | |
1118 | ;; back up one statement and look at the command | |
1119 | (if (dcl-beginning-of-statement) | |
1120 | (cond | |
1121 | ((and dcl-block-begin-regexp ; might be nil | |
1122 | (looking-at (concat "^\\$" dcl-ws-r | |
1123 | dcl-block-begin-regexp))) | |
1124 | (setq done t) (setq is-block t)) | |
1125 | ((and dcl-block-end-regexp ; might be nil | |
1126 | (looking-at (concat "^\\$" dcl-ws-r | |
1127 | dcl-block-end-regexp))) | |
1128 | (setq done t) (setq is-block t)) | |
1129 | ((looking-at dcl-comment-line-regexp) | |
1130 | t) ; comment line, one more loop | |
1131 | ((looking-at "^\\$[ \t]*$") | |
1132 | t) ; empty line, one more loop | |
1133 | ((not (looking-at | |
1134 | (concat "^\\$" dcl-ws-r dcl-label-r dcl-ws-r "$"))) | |
1135 | (setq done t))) ; not a label-only line, exit the loop | |
1136 | ;; We couldn't go further back, so this must have been the | |
1137 | ;; first line. | |
1138 | (setq cur-indent dcl-margin-offset | |
a1506d29 | 1139 | last-point (dcl-indentation-point)) |
43e34a41 RS |
1140 | (setq done t))) |
1141 | ;; Examine the line to get current indentation and possibly a | |
1142 | ;; reason to indent. | |
1143 | (cond | |
1144 | (cur-indent) | |
1145 | ((looking-at (concat "^\\$[ \t]*" dcl-label-r dcl-ws-r | |
1146 | "\\(subroutine\\b\\)")) | |
1147 | (setq cur-indent dcl-margin-offset | |
1148 | last-point (1+ (match-beginning 1)))) | |
1149 | (t | |
1150 | ;; Find out how much this line is indented. | |
1151 | ;; Look at comment, continuation character, command but not label | |
1152 | ;; unless it's a block. | |
1153 | (if is-block | |
1154 | (re-search-forward "^\\$[ \t]*") | |
1155 | (re-search-forward (concat "^\\$[ \t]*\\(" dcl-label-r | |
1156 | "\\)*[ \t]*"))) | |
1157 | (setq cur-indent (current-column)) | |
1158 | ;; Look for a reason to indent: Find first word on this line | |
1159 | (re-search-forward dcl-ws-r) | |
1160 | (setq last-point (point)) | |
1161 | (cond | |
1162 | ((looking-at "\\bthen\\b") | |
1163 | (setq extra-indent dcl-basic-offset indent-type 'indent)) | |
1164 | ((looking-at "\\belse\\b") | |
1165 | (setq extra-indent dcl-basic-offset indent-type 'indent)) | |
1166 | ((and dcl-block-begin-regexp ; might be nil | |
1167 | (looking-at dcl-block-begin-regexp)) | |
1168 | (setq extra-indent dcl-basic-offset indent-type 'indent)) | |
1169 | )))))) | |
1170 | (setq extra-indent2 0) | |
1171 | ;; We're back at the beginning of the original line. | |
1172 | ;; Look for a reason to outdent: Find first word on this line | |
1173 | (re-search-forward (concat "^\\$" dcl-ws-r)) | |
1174 | (setq this-point (dcl-indentation-point)) | |
1175 | (cond | |
1176 | ((looking-at "\\belse\\b") | |
1177 | (setq extra-indent2 (- dcl-basic-offset) indent-type2 'outdent)) | |
1178 | ((looking-at "\\bendif\\b") | |
1179 | (setq extra-indent2 (- dcl-basic-offset) indent-type2 'outdent)) | |
1180 | ((and dcl-block-end-regexp ; might be nil | |
1181 | (looking-at dcl-block-end-regexp)) | |
1182 | (setq extra-indent2 (- dcl-basic-offset) indent-type2 'outdent)) | |
1183 | ((looking-at (concat dcl-label-r dcl-ws-r "\\(subroutine\\b\\)")) | |
1184 | (setq cur-indent2 0 extra-indent2 dcl-margin-offset | |
1185 | indent-type2 'first-line | |
1186 | this-point (1+ (match-beginning 1))))) | |
1187 | ;; Calculate indent | |
1188 | (setq cur-indent | |
1189 | (or (and dcl-calc-command-indent-function | |
1190 | (funcall dcl-calc-command-indent-function | |
1191 | indent-type cur-indent extra-indent | |
1192 | last-point this-point)) | |
1193 | (+ cur-indent extra-indent))) | |
1194 | ;; Calculate outdent | |
1195 | (if indent-type2 | |
1196 | (progn | |
1197 | (or cur-indent2 (setq cur-indent2 cur-indent)) | |
1198 | (setq cur-indent | |
1199 | (or (and dcl-calc-command-indent-function | |
1200 | (funcall dcl-calc-command-indent-function | |
1201 | indent-type2 cur-indent2 extra-indent2 | |
1202 | last-point this-point)) | |
1203 | (+ cur-indent2 extra-indent2))))) | |
1204 | cur-indent | |
1205 | ))) | |
1206 | ||
1207 | ||
1208 | ;;;--------------------------------------------------------------------------- | |
1209 | (defun dcl-calc-cont-indent-relative (cur-indent extra-indent) | |
1210 | "Indent continuation lines to align with words on previous line. | |
1211 | ||
1212 | Indent continuation lines to a position relative to preceding | |
1213 | significant command line elements. | |
1214 | ||
1215 | Set `dcl-calc-cont-indent-function' to this function to customize | |
1216 | indentation of continuation lines. | |
1217 | ||
1218 | Indented lines will align with either: | |
1219 | ||
1220 | * the second word on the command line | |
1221 | $ set default - | |
1222 | [-] | |
674e010d | 1223 | * the word after an assignment |
43e34a41 RS |
1224 | $ a = b + - |
1225 | d | |
1226 | * the third word if it's a qualifier | |
1227 | $ set terminal/width=80 - | |
1228 | /page=24 | |
1229 | * the innermost nonclosed parenthesis | |
1230 | $ if ((a.eq.b .and. - | |
1231 | d.eq.c .or. f$function(xxxx, - | |
1232 | yyy))) | |
1233 | " | |
1234 | (let ((case-fold-search t) | |
a1506d29 | 1235 | indent) |
43e34a41 RS |
1236 | (save-excursion |
1237 | (dcl-beginning-of-statement) | |
1238 | (let ((end (save-excursion (forward-line 1) (point)))) | |
1239 | ;; Move over blanks and label | |
1240 | (if (re-search-forward (concat "^\\$[ \t]*\\(" dcl-label-r | |
1241 | "\\)*[ \t]*") end t) | |
1242 | (progn | |
1243 | ;; Move over the first word (might be `@filespec') | |
1244 | (if (> (skip-chars-forward "@:[]<>$\\-a-zA-Z0-9_.;" end) 0) | |
1245 | (let (was-assignment) | |
1246 | (skip-chars-forward " \t" end) | |
1247 | ;; skip over assignment if there is one | |
1248 | (if (looking-at ":?==?") | |
1249 | (progn | |
1250 | (setq was-assignment t) | |
1251 | (skip-chars-forward " \t:=" end))) | |
1252 | ;; This could be the position to indent to | |
1253 | (setq indent (current-column)) | |
a1506d29 | 1254 | |
43e34a41 RS |
1255 | ;; Move to the next word unless we have seen an |
1256 | ;; assignment. If it starts with `/' it's a | |
1257 | ;; qualifier and we will indent to that position | |
1258 | (if (and (not was-assignment) | |
1259 | (> (skip-chars-forward "a-zA-Z0-9_" end) 0)) | |
1260 | (progn | |
1261 | (skip-chars-forward " \t" end) | |
1262 | (if (= (char-after (point)) ?/) | |
1263 | (setq indent (current-column))))) | |
1264 | )))))) | |
1265 | ;; Now check if there are any parenthesis to adjust to. | |
1266 | ;; If there is, we will indent to the position after the last non-closed | |
1267 | ;; opening parenthesis. | |
1268 | (save-excursion | |
1269 | (beginning-of-line) | |
1270 | (let* ((start (save-excursion (dcl-beginning-of-statement) (point))) | |
1271 | (parse-sexp-ignore-comments t) ; for parse-partial | |
1272 | (par-pos (nth 1 (parse-partial-sexp start (point))))) | |
1273 | (if par-pos ; is nil if no parenthesis was found | |
1274 | (setq indent (save-excursion | |
1275 | (goto-char par-pos) | |
1276 | (1+ (current-column))))))) | |
1277 | indent)) | |
1278 | ||
1279 | ||
1280 | ;;;--------------------------------------------------------------------------- | |
1281 | (defun dcl-calc-continuation-indent () | |
1282 | "Calculate how much the current line shall be indented. | |
1283 | The line is known to be a continuation line. | |
1284 | ||
1285 | Go to the previous command line. | |
1286 | Find out how much it is indented." | |
1287 | ;; This was copied without much thought from dcl-calc-command-indent, so | |
1288 | ;; it's a bit clumsy. | |
1289 | () | |
1290 | (save-excursion | |
1291 | (beginning-of-line) | |
1292 | (if (bobp) | |
1293 | ;; Huh? a continuation line first in the buffer?? | |
1294 | dcl-margin-offset | |
1295 | (let ((is-block nil) | |
1296 | (indent)) | |
1297 | (save-excursion | |
1298 | ;; Find first non-empty command line | |
1299 | (let ((done)) | |
1300 | (while (not done) | |
1301 | (if (dcl-beginning-of-statement) | |
1302 | (cond | |
1303 | ((and dcl-block-begin-regexp | |
1304 | (looking-at (concat "^\\$" dcl-ws-r | |
1305 | dcl-block-begin-regexp))) | |
1306 | (setq done t) (setq is-block t)) | |
1307 | ((and dcl-block-end-regexp | |
1308 | (looking-at (concat "^\\$" dcl-ws-r | |
1309 | dcl-block-end-regexp))) | |
1310 | (setq done t) (setq is-block t)) | |
1311 | ((looking-at dcl-comment-line-regexp) | |
1312 | t) | |
1313 | ((looking-at "^\\$[ \t]*$") | |
1314 | t) | |
1315 | ((not (looking-at | |
1316 | (concat "^\\$" dcl-ws-r dcl-label-r dcl-ws-r "$"))) | |
1317 | (setq done t))) | |
1318 | ;; This must have been the first line. | |
1319 | (setq indent dcl-margin-offset) | |
1320 | (setq done t))) | |
1321 | (if indent | |
1322 | () | |
1323 | ;; Find out how much this line is indented. | |
1324 | ;; Look at comment, continuation character, command but not label | |
1325 | ;; unless it's a block. | |
1326 | (if is-block | |
1327 | (re-search-forward "^\\$[ \t]*") | |
1328 | (re-search-forward (concat "^\\$[ \t]*\\(" dcl-label-r | |
1329 | "\\)*[ \t]*"))) | |
1330 | (setq indent (current-column)) | |
1331 | ))) | |
1332 | ;; We're back at the beginning of the original line. | |
1333 | (or (and dcl-calc-cont-indent-function | |
1334 | (funcall dcl-calc-cont-indent-function indent | |
1335 | dcl-continuation-offset)) | |
1336 | (+ indent dcl-continuation-offset)) | |
1337 | )))) | |
1338 | ||
1339 | ||
1340 | ;;;--------------------------------------------------------------------------- | |
1341 | (defun dcl-indent-command-line () | |
1342 | "Indent a line known to be a command line." | |
1343 | (let ((indent (dcl-calc-command-indent)) | |
1344 | (pos (- (point-max) (point)))) | |
1345 | (save-excursion | |
1346 | (beginning-of-line) | |
1347 | (re-search-forward "^\\$[ \t]*") | |
1348 | ;; Indent any margin-label if the offset is set | |
1349 | ;; (Don't look at block labels) | |
1350 | (if (and dcl-margin-label-offset | |
1351 | (looking-at dcl-label-r) | |
1352 | (not (and dcl-block-begin-regexp | |
1353 | (looking-at dcl-block-begin-regexp))) | |
1354 | (not (and dcl-block-end-regexp | |
1355 | (looking-at dcl-block-end-regexp)))) | |
1356 | (progn | |
1357 | (dcl-indent-to dcl-margin-label-offset) | |
1358 | (re-search-forward dcl-label-r))) | |
1359 | (dcl-indent-to indent 1) | |
1360 | ) | |
a1506d29 | 1361 | ;; |
43e34a41 RS |
1362 | (if (> (- (point-max) pos) (point)) |
1363 | (goto-char (- (point-max) pos))) | |
1364 | )) | |
1365 | ||
1366 | ||
1367 | ;;;------------------------------------------------------------------------- | |
1368 | (defun dcl-indent-continuation-line () | |
1369 | "Indent a line known to be a continuation line. | |
1370 | ||
1371 | Notice that no special treatment is made for labels. They have to be | |
1372 | on the first part on a command line to be taken into consideration." | |
1373 | (let ((indent (dcl-calc-continuation-indent))) | |
1374 | (save-excursion | |
1375 | (beginning-of-line) | |
1376 | (re-search-forward "^[ \t]*") | |
1377 | (dcl-indent-to indent)) | |
1378 | (skip-chars-forward " \t"))) | |
1379 | ||
1380 | ||
1381 | ;;;--------------------------------------------------------------------------- | |
1382 | (defun dcl-delete-chars (chars) | |
1383 | "Delete all characters in the set CHARS around point." | |
1384 | (skip-chars-backward chars) | |
1385 | (delete-region (point) (progn (skip-chars-forward chars) (point)))) | |
1386 | ||
1387 | ||
1388 | ;;;--------------------------------------------------------------------------- | |
1389 | (defun dcl-indent-line () | |
1390 | "The DCL version of `indent-line-function'. | |
1391 | Adjusts indentation on the current line. Data lines are not indented." | |
1392 | (let ((type (dcl-get-line-type))) | |
1393 | (cond | |
1394 | ((equal type '$) | |
1395 | (dcl-indent-command-line)) | |
1396 | ((equal type '\?) | |
1397 | (message "Unknown line type!")) | |
1398 | ((equal type '$!)) | |
1399 | ((equal type 'data)) | |
1400 | ((equal type 'empty-data)) | |
1401 | ((equal type '-) | |
1402 | (dcl-indent-continuation-line)) | |
1403 | ((equal type 'empty-$) | |
1404 | (insert "$" ) | |
1405 | (dcl-indent-command-line)) | |
1406 | (t | |
1407 | (message "dcl-indent-line: unknown type")) | |
1408 | ))) | |
a1506d29 | 1409 | |
43e34a41 RS |
1410 | |
1411 | ;;;------------------------------------------------------------------------- | |
1412 | (defun dcl-indent-command () | |
1413 | "Indents the complete command line that point is on. | |
1414 | This includes continuation lines." | |
1415 | (interactive "*") | |
1416 | (let ((type (dcl-get-line-type))) | |
1417 | (if (or (equal type '$) | |
1418 | (equal type '-) | |
1419 | (equal type 'empty-$)) | |
1420 | (save-excursion | |
1421 | (indent-region (progn (or (looking-at "^\\$") | |
1422 | (dcl-beginning-of-statement)) | |
1423 | (point)) | |
1424 | (progn (dcl-end-of-statement) (point)) | |
1425 | nil))))) | |
1426 | ||
1427 | ||
1428 | ;;;------------------------------------------------------------------------- | |
1429 | (defun dcl-tab () | |
1430 | "Insert tab in data lines or indent code. | |
1431 | If `dcl-tab-always-indent' is t, code lines are always indented. | |
1432 | If nil, indent the current line only if point is at the left margin or in | |
1433 | the lines indentation; otherwise insert a tab." | |
1434 | (interactive "*") | |
1435 | (let ((type (dcl-get-line-type)) | |
1436 | (start-point (point))) | |
1437 | (cond | |
1438 | ;; Data line : always insert tab | |
a1506d29 | 1439 | ((or (equal type 'data) (equal type 'empty-data)) |
43e34a41 | 1440 | (tab-to-tab-stop)) |
a1506d29 | 1441 | ;; Indent only at start of line |
43e34a41 RS |
1442 | ((not dcl-tab-always-indent) ; nil |
1443 | (let ((search-end-point | |
1444 | (save-excursion | |
1445 | (beginning-of-line) | |
1446 | (re-search-forward "^\\$?[ \t]*" start-point t)))) | |
1447 | (if (or (bolp) | |
1448 | (and search-end-point | |
1449 | (>= search-end-point start-point))) | |
1450 | (dcl-indent-line) | |
1451 | (tab-to-tab-stop)))) | |
1452 | ;; Always indent | |
1453 | ((eq dcl-tab-always-indent t) ; t | |
1454 | (dcl-indent-line)) | |
1455 | ))) | |
1456 | ||
1457 | ||
1458 | ;;;------------------------------------------------------------------------- | |
1459 | (defun dcl-electric-character (arg) | |
1460 | "Inserts a character and indents if necessary. | |
a1506d29 | 1461 | Insert a character if the user gave a numeric argument or the flag |
43e34a41 RS |
1462 | `dcl-electric-characters' is not set. If an argument was given, |
1463 | insert that many characters. | |
1464 | ||
1465 | The line is only reindented if the word just typed matches any of the | |
1466 | regexps in `dcl-electric-reindent-regexps'." | |
1467 | (interactive "*P") | |
1468 | (if (or arg (not dcl-electric-characters)) | |
1469 | (if arg | |
1470 | (self-insert-command (prefix-numeric-value arg)) | |
1471 | (self-insert-command 1)) | |
1472 | ;; Insert the character and indent | |
1473 | (self-insert-command 1) | |
1474 | (let ((case-fold-search t)) | |
1475 | ;; There must be a better way than (memq t ...). | |
a1506d29 | 1476 | ;; (apply 'or ...) didn't work |
43e34a41 RS |
1477 | (if (memq t (mapcar 'dcl-was-looking-at dcl-electric-reindent-regexps)) |
1478 | (dcl-indent-line))))) | |
1479 | ||
1480 | ||
1481 | ;;;------------------------------------------------------------------------- | |
1482 | (defun dcl-indent-to (col &optional minimum) | |
1483 | "Like indent-to, but only indents if indentation would change" | |
1484 | (interactive) | |
1485 | (let (cur-indent collapsed indent) | |
1486 | (save-excursion | |
1487 | (skip-chars-forward " \t") | |
1488 | (setq cur-indent (current-column)) | |
1489 | (skip-chars-backward " \t") | |
1490 | (setq collapsed (current-column))) | |
1491 | (setq indent (max col (+ collapsed (or minimum 0)))) | |
1492 | (if (/= indent cur-indent) | |
1493 | (progn | |
1494 | (dcl-delete-chars " \t") | |
1495 | (indent-to col minimum))))) | |
a1506d29 | 1496 | |
43e34a41 RS |
1497 | |
1498 | ;;;------------------------------------------------------------------------- | |
1499 | (defun dcl-split-line () | |
1500 | "Break line at point and insert text to keep the syntax valid. | |
1501 | ||
1502 | Inserts continuation marks and splits character strings." | |
1503 | ;; Still don't know what to do with comments at the end of a command line. | |
1504 | (interactive "*") | |
1505 | (let (done | |
1506 | (type (dcl-get-line-type))) | |
1507 | (cond | |
1508 | ((or (equal type '$) (equal type '-)) | |
1509 | (let ((info (parse-partial-sexp | |
1510 | (save-excursion (dcl-beginning-of-statement) (point)) | |
1511 | (point)))) | |
1512 | ;; handle some special cases | |
1513 | (cond | |
1514 | ((nth 3 info) ; in text constant | |
1515 | (insert "\" + -\n\"") | |
1516 | (indent-according-to-mode) | |
1517 | (setq done t)) | |
1518 | ((not (nth 4 info)) ; not in comment | |
1519 | (cond | |
1520 | ((and (not (eolp)) | |
1521 | (= (char-after (point)) ?\") | |
1522 | (= (char-after (1- (point))) ?\")) | |
1523 | (progn ; a " "" " situation | |
1524 | (forward-char -1) | |
1525 | (insert "\" + -\n\"") | |
1526 | (forward-char 1) | |
1527 | (indent-according-to-mode) | |
1528 | (setq done t))) | |
1529 | ((and (dcl-was-looking-at "[ \t]*-[ \t]*") ; after cont mark | |
1530 | (looking-at "[ \t]*\\(!.*\\)?$")) | |
1531 | ;; Do default below. This might considered wrong if we're | |
1532 | ;; after a subtraction: $ x = 3 - <M-LFD> | |
1533 | ) | |
1534 | (t | |
1535 | (delete-horizontal-space) | |
1536 | (insert " -") | |
1537 | (insert "\n") (indent-according-to-mode) | |
1538 | (setq done t)))) | |
1539 | )))) | |
1540 | ;; use the normal function for other cases | |
1541 | (if (not done) ; normal M-LFD action | |
1542 | (indent-new-comment-line)))) | |
1543 | ||
a1506d29 | 1544 | |
43e34a41 RS |
1545 | ;;;------------------------------------------------------------------------- |
1546 | (defun dcl-delete-indentation (&optional arg) | |
1547 | "Join this line to previous like delete-indentation. | |
1548 | Also remove the continuation mark if easily detected." | |
1549 | (interactive "*P") | |
1550 | (delete-indentation arg) | |
1551 | (let ((type (dcl-get-line-type))) | |
d355a0b7 | 1552 | (if (and (member type '($ - empty-$)) |
43e34a41 | 1553 | (not (bobp)) |
d355a0b7 | 1554 | (= (char-before) ?-)) |
43e34a41 | 1555 | (progn |
d355a0b7 | 1556 | (delete-char -1) |
43e34a41 RS |
1557 | (fixup-whitespace))))) |
1558 | ||
1559 | ||
1560 | ;;; *** Set options ********************************************************* | |
1561 | ||
1562 | ||
1563 | ;;;------------------------------------------------------------------------- | |
1564 | (defun dcl-option-value-basic (option-assoc) | |
1565 | "Guess a value for basic-offset." | |
1566 | (save-excursion | |
1567 | (dcl-beginning-of-command) | |
1568 | (let* (;; current lines indentation | |
1569 | (this-indent (save-excursion | |
1570 | (dcl-back-to-indentation) | |
1571 | (current-column))) | |
1572 | ;; previous lines indentation | |
1573 | (prev-indent (save-excursion | |
1574 | (if (dcl-backward-command) | |
1575 | (progn | |
1576 | (dcl-back-to-indentation) | |
1577 | (current-column))))) | |
1578 | (next-indent (save-excursion | |
1579 | (dcl-end-of-command) | |
1580 | (if (dcl-forward-command) | |
1581 | (progn | |
1582 | (dcl-beginning-of-command) | |
1583 | (dcl-back-to-indentation) | |
1584 | (current-column))))) | |
1585 | (diff (if prev-indent | |
1586 | (abs (- this-indent prev-indent))))) | |
1587 | (cond | |
1588 | ((and diff | |
1589 | (/= diff 0)) | |
1590 | diff) | |
1591 | ((and next-indent | |
1592 | (/= (- this-indent next-indent) 0)) | |
1593 | (abs (- this-indent next-indent))) | |
1594 | (t | |
1595 | dcl-basic-offset))))) | |
1596 | ||
1597 | ||
1598 | ;;;------------------------------------------------------------------------- | |
1599 | (defun dcl-option-value-offset (option-assoc) | |
1600 | "Guess a value for an offset. | |
1601 | Find the column of the first non-blank character on the line. | |
e190af9a | 1602 | Returns the column offset." |
43e34a41 RS |
1603 | (save-excursion |
1604 | (beginning-of-line) | |
1605 | (re-search-forward "^$[ \t]*" nil t) | |
1606 | (current-column))) | |
1607 | ||
1608 | ||
1609 | ;;;------------------------------------------------------------------------- | |
1610 | (defun dcl-option-value-margin-offset (option-assoc) | |
1611 | "Guess a value for margin offset. | |
1612 | Find the column of the first non-blank character on the line, not | |
a1506d29 | 1613 | counting labels. |
43e34a41 RS |
1614 | Returns a number as a string." |
1615 | (save-excursion | |
1616 | (beginning-of-line) | |
1617 | (dcl-back-to-indentation) | |
1618 | (current-column))) | |
1619 | ||
1620 | ||
1621 | ;;;------------------------------------------------------------------------- | |
1622 | (defun dcl-option-value-comment-line (option-assoc) | |
1623 | "Guess a value for `dcl-comment-line-regexp'. | |
1624 | Must return a string." | |
1625 | ;; Should we set comment-start and comment-start-skip as well? | |
1626 | ;; If someone wants `$!&' as a comment line, C-M-j won't work well if | |
1627 | ;; they aren't set. | |
1628 | ;; This must be done after the user has given the real value in | |
1629 | ;; dcl-set-option. | |
1630 | (format | |
1631 | "%S" | |
1632 | (save-excursion | |
1633 | (beginning-of-line) | |
1634 | ;; We could search for "^\\$.*!+[^ \t]*", but, as noted above, we | |
1635 | ;; can't handle that case very good, so there is no point in | |
1636 | ;; suggesting it. | |
1637 | (if (looking-at "^\\$[^!\n]*!") | |
1638 | (let ((regexp (buffer-substring (match-beginning 0) (match-end 0)))) | |
1639 | (concat "^" (regexp-quote regexp))) | |
1640 | dcl-comment-line-regexp)))) | |
a1506d29 | 1641 | |
43e34a41 RS |
1642 | |
1643 | ;;;------------------------------------------------------------------------- | |
1644 | (defun dcl-guess-option-value (option) | |
1645 | "Guess what value the user would like to give the symbol option." | |
1646 | (let* ((option-assoc (assoc option dcl-option-alist)) | |
1647 | (option (car option-assoc)) | |
1648 | (action (car (cdr option-assoc))) | |
1649 | (value (cond | |
1650 | ((fboundp action) | |
1651 | (funcall action option-assoc)) | |
1652 | ((eq action 'toggle) | |
1653 | (not (eval option))) | |
1654 | ((eq action 'curval) | |
1655 | (cond ((or (stringp (symbol-value option)) | |
1656 | (numberp (symbol-value option))) | |
1657 | (format "%S" (symbol-value option))) | |
1658 | (t | |
1659 | (format "'%S" (symbol-value option)))))))) | |
1660 | ;; format the value as a string if not already done | |
1661 | (if (stringp value) | |
1662 | value | |
1663 | (format "%S" value)))) | |
1664 | ||
1665 | ||
1666 | ;;;------------------------------------------------------------------------- | |
1667 | (defun dcl-guess-option () | |
1668 | "Guess what option the user wants to set by looking around in the code. | |
1669 | Returns the name of the option variable as a string." | |
1670 | (let ((case-fold-search t)) | |
1671 | (cond | |
1672 | ;; Continued line | |
1673 | ((eq (dcl-get-line-type) '-) | |
1674 | "dcl-calc-cont-indent-function") | |
1675 | ;; Comment line | |
1676 | ((save-excursion | |
1677 | (beginning-of-line) | |
1678 | (looking-at "^\\$[ \t]*!")) | |
1679 | "dcl-comment-line-regexp") | |
1680 | ;; Margin offset: subroutine statement or first line in buffer | |
1681 | ;; Test this before label indentation to detect a subroutine | |
1682 | ((save-excursion | |
1683 | (beginning-of-line) | |
1684 | (or (looking-at (concat "^\\$[ \t]*" dcl-label-r dcl-ws-r | |
1685 | "subroutine")) | |
1686 | (save-excursion | |
1687 | (not (dcl-backward-command t))))) | |
1688 | "dcl-margin-offset") | |
1689 | ;; Margin offset: on command line after subroutine statement | |
1690 | ((save-excursion | |
1691 | (beginning-of-line) | |
1692 | (and (eq (dcl-get-line-type) '$) | |
1693 | (dcl-backward-command) | |
1694 | (looking-at (concat "^\\$[ \t]*" dcl-label-r dcl-ws-r | |
1695 | "subroutine")))) | |
1696 | "dcl-margin-offset") | |
1697 | ;; Label indentation | |
1698 | ((save-excursion | |
1699 | (beginning-of-line) | |
1700 | (and (looking-at (concat "^\\$[ \t]*" dcl-label-r)) | |
1701 | (not (and dcl-block-begin-regexp | |
1702 | (looking-at (concat "^\\$[ \t]*" | |
1703 | dcl-block-begin-regexp)))) | |
1704 | (not (and dcl-block-end-regexp | |
1705 | (looking-at (concat "^\\$[ \t]*" | |
1706 | dcl-block-end-regexp)))))) | |
1707 | "dcl-margin-label-offset") | |
1708 | ;; Basic offset | |
1709 | ((and (eq (dcl-get-line-type) '$) ; beginning of command | |
1710 | (save-excursion | |
1711 | (beginning-of-line) | |
1712 | (let* ((this-indent (save-excursion | |
1713 | (dcl-back-to-indentation) | |
1714 | (current-column))) | |
1715 | (prev-indent (save-excursion | |
1716 | (if (dcl-backward-command) | |
1717 | (progn | |
1718 | (dcl-back-to-indentation) | |
1719 | (current-column))))) | |
1720 | (next-indent (save-excursion | |
1721 | (dcl-end-of-command) | |
1722 | (if (dcl-forward-command) | |
1723 | (progn | |
1724 | (dcl-beginning-of-command) | |
1725 | (dcl-back-to-indentation) | |
1726 | (current-column)))))) | |
1727 | (or (and prev-indent ; last cmd is indented differently | |
1728 | (/= (- this-indent prev-indent) 0)) | |
1729 | (and next-indent | |
1730 | (/= (- this-indent next-indent) 0)))))) | |
1731 | "dcl-basic-offset") | |
a1506d29 | 1732 | ;; No more guesses. |
43e34a41 RS |
1733 | (t |
1734 | "")))) | |
1735 | ||
1736 | ||
1737 | ;;;------------------------------------------------------------------------- | |
1738 | (defun dcl-set-option (option-sym option-value) | |
1739 | "Set a value for one of the dcl customization variables. | |
1740 | The function tries to guess which variable should be set and to what value. | |
1741 | All variable names are available as completions and in the history list." | |
1742 | (interactive | |
1743 | (let* ((option-sym | |
1744 | (intern (completing-read | |
1745 | "Set DCL option: " ; prompt | |
1746 | (mapcar (function ; alist of valid values | |
1747 | (lambda (option-assoc) | |
1748 | (cons (format "%s" (car option-assoc)) nil))) | |
1749 | dcl-option-alist) | |
1750 | nil ; no predicate | |
1751 | t ; only value from the list OK | |
1752 | (dcl-guess-option) ; initial (default) value | |
1753 | 'dcl-option-history))) ; history list | |
1754 | (option-value | |
1755 | (eval-minibuffer | |
1756 | (format "Set DCL option %s to: " option-sym) | |
1757 | (dcl-guess-option-value option-sym)))) | |
1758 | (list option-sym option-value))) | |
1759 | ;; Should make a sanity check on the symbol/value pair. | |
1760 | ;; `set' instead of `setq' because we want option-sym to be evaluated. | |
1761 | (set option-sym option-value)) | |
1762 | ||
1763 | ||
1764 | ;;; *** Save options ******************************************************** | |
1765 | ||
1766 | ||
1767 | ;;;------------------------------------------------------------------------- | |
1768 | (defun dcl-save-local-variable (var &optional def-prefix def-suffix) | |
1769 | "Save a variable in a `Local Variables' list. | |
a1506d29 JB |
1770 | Set or update the value of VAR in the current buffers |
1771 | `Local Variables:' list." | |
43e34a41 RS |
1772 | ;; Look for "Local variables:" line in last page. |
1773 | (save-excursion | |
1774 | (goto-char (point-max)) | |
1775 | (search-backward "\n\^L" (max (- (point-max) 3000) (point-min)) 'move) | |
1776 | (if (let ((case-fold-search t)) | |
1777 | (search-forward "Local Variables:" nil t)) | |
1778 | (let ((continue t) | |
1779 | prefix prefixlen suffix beg | |
1780 | prefix-string suffix-string) | |
1781 | ;; The prefix is what comes before "local variables:" in its line. | |
1782 | ;; The suffix is what comes after "local variables:" in its line. | |
1783 | (skip-chars-forward " \t") | |
1784 | (or (eolp) | |
1785 | (setq suffix-string (buffer-substring (point) | |
5ed619e0 | 1786 | (line-end-position)))) |
43e34a41 RS |
1787 | (goto-char (match-beginning 0)) |
1788 | (or (bolp) | |
1789 | (setq prefix-string | |
1790 | (buffer-substring (point) | |
1791 | (progn (beginning-of-line) (point))))) | |
1792 | ||
1793 | (if prefix-string (setq prefixlen (length prefix-string) | |
1794 | prefix (regexp-quote prefix-string))) | |
1795 | (if suffix-string (setq suffix (concat (regexp-quote suffix-string) | |
1796 | "$"))) | |
1797 | (while continue | |
1798 | ;; Look at next local variable spec. | |
1799 | (if selective-display (re-search-forward "[\n\C-m]") | |
1800 | (forward-line 1)) | |
1801 | ;; Skip the prefix, if any. | |
1802 | (if prefix | |
1803 | (if (looking-at prefix) | |
1804 | (forward-char prefixlen) | |
1805 | (error "Local variables entry is missing the prefix"))) | |
1806 | ;; Find the variable name; strip whitespace. | |
1807 | (skip-chars-forward " \t") | |
1808 | (setq beg (point)) | |
1809 | (skip-chars-forward "^:\n") | |
1810 | (if (eolp) (error "Missing colon in local variables entry")) | |
1811 | (skip-chars-backward " \t") | |
1812 | (let* ((str (buffer-substring beg (point))) | |
1813 | (found-var (read str)) | |
1814 | val) | |
1815 | ;; Setting variable named "end" means end of list. | |
1816 | (if (string-equal (downcase str) "end") | |
1817 | (progn | |
1818 | ;; Not found. Insert a new entry before this line | |
1819 | (setq continue nil) | |
1820 | (beginning-of-line) | |
a1506d29 | 1821 | (insert (concat prefix-string (symbol-name var) ": " |
43e34a41 RS |
1822 | (prin1-to-string (eval var)) " " |
1823 | suffix-string "\n"))) | |
1824 | ;; Is it the variable we are looking for? | |
1825 | (if (eq var found-var) | |
1826 | (progn | |
1827 | ;; Found it: delete the variable value and insert the | |
1828 | ;; new value. | |
1829 | (setq continue nil) | |
1830 | (skip-chars-forward "^:") | |
1831 | (forward-char 1) | |
1832 | (delete-region (point) (progn (read (current-buffer)) | |
1833 | (point))) | |
1834 | (insert " ") | |
1835 | (prin1 (eval var) (current-buffer)) | |
1836 | (skip-chars-backward "\n") | |
1837 | (skip-chars-forward " \t") | |
1838 | (or (if suffix (looking-at suffix) (eolp)) | |
1839 | (error | |
1840 | "Local variables entry is terminated incorrectly"))) | |
1841 | (end-of-line)))))) | |
1842 | ;; Did not find "Local variables:" | |
1843 | (goto-char (point-max)) | |
1844 | (if (not (bolp)) | |
1845 | (insert "\n")) | |
1846 | ;; If def- parameter not set, use comment- if set. In that case, make | |
1847 | ;; sure there is a space in a suitable position | |
1848 | (let ((def-prefix | |
1849 | (cond | |
1850 | (def-prefix | |
1851 | def-prefix) | |
1852 | (comment-start | |
1853 | (if (or (equal comment-start "") | |
1854 | (string-match "[ \t]$" comment-start)) | |
1855 | comment-start | |
1856 | (concat comment-start " "))))) | |
1857 | (def-suffix | |
1858 | (cond | |
1859 | (def-suffix | |
1860 | def-suffix) | |
1861 | (comment-end | |
1862 | (if (or (equal comment-end "") | |
1863 | (string-match "^[ \t]" comment-end)) | |
1864 | comment-end | |
1865 | (concat " " comment-end)))))) | |
1866 | (insert (concat def-prefix "Local variables:" def-suffix "\n")) | |
a1506d29 | 1867 | (insert (concat def-prefix (symbol-name var) ": " |
43e34a41 RS |
1868 | (prin1-to-string (eval var)) def-suffix "\n")) |
1869 | (insert (concat def-prefix "end:" def-suffix))) | |
1870 | ))) | |
1871 | ||
1872 | ||
1873 | ;;;------------------------------------------------------------------------- | |
1874 | (defun dcl-save-all-options () | |
1875 | "Save all dcl-mode options for this buffer. | |
1876 | Saves or updates all dcl-mode related options in a `Local Variables:' | |
1877 | section at the end of the current buffer." | |
1878 | (interactive "*") | |
1879 | (mapcar (lambda (option-assoc) | |
1880 | (let* ((option (car option-assoc))) | |
1881 | (dcl-save-local-variable option "$! "))) | |
1882 | dcl-option-alist)) | |
1883 | ||
1884 | ||
1885 | ;;;------------------------------------------------------------------------- | |
1886 | (defun dcl-save-nondefault-options () | |
1887 | "Save changed DCL mode options for this buffer. | |
1888 | Saves or updates all DCL mode related options that don't have their | |
1889 | default values in a `Local Variables:' section at the end of the | |
1890 | current buffer. | |
1891 | ||
1892 | No entries are removed from the `Local Variables:' section. This means | |
1893 | that if a variable is given a non-default value in the section and | |
1894 | later is manually reset to its default value, the variable's entry will | |
1895 | still be present in the `Local Variables:' section with its old value." | |
1896 | (interactive "*") | |
1897 | (mapcar (lambda (option-assoc) | |
1898 | (let* ((option (car option-assoc)) | |
1899 | (option-name (symbol-name option))) | |
1900 | (if (and (string-equal "dcl-" | |
1901 | (substring option-name 0 4)) | |
1902 | (not (equal (default-value option) (eval option)))) | |
1903 | (dcl-save-local-variable option "$! ")))) | |
1904 | dcl-option-alist)) | |
1905 | ||
1906 | ||
1907 | ;;;------------------------------------------------------------------------- | |
1908 | (defun dcl-save-option (option) | |
1909 | "Save a DCL mode option for this buffer. | |
1910 | Saves or updates an option in a `Local Variables:' | |
1911 | section at the end of the current buffer." | |
1912 | (interactive | |
1913 | (let ((option (intern (completing-read "Option: " obarray)))) | |
1914 | (list option))) | |
1915 | (dcl-save-local-variable option)) | |
1916 | ||
1917 | ||
1918 | ;;;------------------------------------------------------------------------- | |
1919 | (defun dcl-save-mode () | |
1920 | "Save the current mode for this buffer. | |
1921 | Save the current mode in a `Local Variables:' | |
1922 | section at the end of the current buffer." | |
1923 | (interactive) | |
1924 | (let ((mode (prin1-to-string major-mode))) | |
1925 | (if (string-match "-mode$" mode) | |
1926 | (let ((mode (intern (substring mode 0 (match-beginning 0))))) | |
1927 | (dcl-save-option 'mode)) | |
1928 | (message "Strange mode: %s" mode)))) | |
1929 | ||
1930 | ||
1931 | ;;; *** Templates *********************************************************** | |
1932 | ;; tempo seems to be the only suitable package among those included in | |
1933 | ;; standard Emacs. I would have liked something closer to the functionality | |
1934 | ;; of LSE templates... | |
1935 | ||
43e34a41 RS |
1936 | (defvar dcl-tempo-tags nil |
1937 | "Tempo tags for DCL mode.") | |
a1506d29 | 1938 | |
43e34a41 | 1939 | (tempo-define-template "dcl-f$context" |
a1506d29 | 1940 | '("f$context" dcl-tempo-left-paren |
43e34a41 RS |
1941 | (p "context-type: ") dcl-tempo-comma |
1942 | (p "context-symbol: ") dcl-tempo-comma | |
1943 | (p "selection-item: ") dcl-tempo-comma | |
1944 | (p "selection-value: ") dcl-tempo-comma | |
1945 | (p "value-qualifier: ") dcl-tempo-right-paren) | |
1946 | "f$context" "" 'dcl-tempo-tags) | |
1947 | ||
1948 | (tempo-define-template "dcl-f$csid" | |
a1506d29 | 1949 | '("f$csid" dcl-tempo-left-paren |
43e34a41 RS |
1950 | (p "context-symbol: ") dcl-tempo-right-paren) |
1951 | "f$csid" "" 'dcl-tempo-tags) | |
1952 | ||
1953 | (tempo-define-template "dcl-f$cvsi" | |
a1506d29 | 1954 | '("f$cvsi" dcl-tempo-left-paren |
43e34a41 RS |
1955 | (p "start-bit: ") dcl-tempo-comma |
1956 | (p "number-of-bits: ") dcl-tempo-comma | |
1957 | (p "string: ") dcl-tempo-right-paren) | |
1958 | "f$cvsi" "" 'dcl-tempo-tags) | |
1959 | ||
1960 | (tempo-define-template "dcl-f$cvtime" | |
a1506d29 | 1961 | '("f$cvtime" dcl-tempo-left-paren |
43e34a41 RS |
1962 | (p "[input_time]: ") dcl-tempo-comma |
1963 | (p "[output_time_format]: ") dcl-tempo-comma | |
1964 | (p "[output_field]: ") dcl-tempo-right-paren) | |
1965 | "f$cvtime" "" 'dcl-tempo-tags) | |
1966 | ||
1967 | (tempo-define-template "dcl-f$cvui" | |
a1506d29 | 1968 | '("f$cvui" dcl-tempo-left-paren |
43e34a41 RS |
1969 | (p "start-bit: ") dcl-tempo-comma |
1970 | (p "number-of-bits: ") dcl-tempo-comma | |
1971 | (p "string") dcl-tempo-right-paren) | |
1972 | "f$cvui" "" 'dcl-tempo-tags) | |
1973 | ||
1974 | (tempo-define-template "dcl-f$device" | |
a1506d29 | 1975 | '("f$device" dcl-tempo-left-paren |
43e34a41 RS |
1976 | (p "[search_devnam]: ") dcl-tempo-comma |
1977 | (p "[devclass]: ") dcl-tempo-comma | |
1978 | (p "[devtype]: ") dcl-tempo-comma | |
1979 | (p "[stream-id]: ") dcl-tempo-right-paren) | |
1980 | "f$device" "" 'dcl-tempo-tags) | |
1981 | ||
1982 | (tempo-define-template "dcl-f$directory" | |
1983 | '("f$directory" dcl-tempo-left-paren | |
1984 | dcl-tempo-right-paren) | |
1985 | "f$directory" "" 'dcl-tempo-tags) | |
1986 | ||
1987 | (tempo-define-template "dcl-f$edit" | |
a1506d29 | 1988 | '("f$edit" dcl-tempo-left-paren |
43e34a41 RS |
1989 | (p "string: ") dcl-tempo-comma |
1990 | (p "edit-list: ") dcl-tempo-right-paren) | |
1991 | "f$edit" "" 'dcl-tempo-tags) | |
1992 | ||
1993 | (tempo-define-template "dcl-f$element" | |
a1506d29 | 1994 | '("f$element" dcl-tempo-left-paren |
43e34a41 RS |
1995 | (p "element-number: ") dcl-tempo-comma |
1996 | (p "delimiter: ") dcl-tempo-comma | |
1997 | (p "string: ") dcl-tempo-right-paren) | |
1998 | "f$element" "" 'dcl-tempo-tags) | |
1999 | ||
2000 | (tempo-define-template "dcl-f$environment" | |
a1506d29 | 2001 | '("f$environment" dcl-tempo-left-paren |
43e34a41 RS |
2002 | (p "item: ") dcl-tempo-right-paren) |
2003 | "f$environment" "" 'dcl-tempo-tags) | |
2004 | ||
2005 | (tempo-define-template "dcl-f$extract" | |
a1506d29 | 2006 | '("f$extract" dcl-tempo-left-paren |
43e34a41 RS |
2007 | (p "start: ") dcl-tempo-comma |
2008 | (p "length: ") dcl-tempo-comma | |
2009 | (p "string: ") dcl-tempo-right-paren) | |
2010 | "f$extract" "" 'dcl-tempo-tags) | |
2011 | ||
2012 | (tempo-define-template "dcl-f$fao" | |
a1506d29 | 2013 | '("f$fao" dcl-tempo-left-paren |
43e34a41 RS |
2014 | (p "control-string: ") dcl-tempo-comma |
2015 | ("argument[,...]: ") dcl-tempo-right-paren) | |
2016 | "f$fao" "" 'dcl-tempo-tags) | |
2017 | ||
2018 | (tempo-define-template "dcl-f$file_attributes" | |
a1506d29 | 2019 | '("f$file_attributes" dcl-tempo-left-paren |
43e34a41 RS |
2020 | (p "filespec: ") dcl-tempo-comma |
2021 | (p "item: ") dcl-tempo-right-paren) | |
2022 | "f$file_attributes" "" 'dcl-tempo-tags) | |
2023 | ||
2024 | (tempo-define-template "dcl-f$getdvi" | |
a1506d29 | 2025 | '("f$getdvi" dcl-tempo-left-paren |
43e34a41 RS |
2026 | (p "device-name: ") dcl-tempo-comma |
2027 | (p "item: ") dcl-tempo-right-paren) | |
2028 | "f$getdvi" "" 'dcl-tempo-tags) | |
2029 | ||
2030 | (tempo-define-template "dcl-f$getjpi" | |
a1506d29 | 2031 | '("f$getjpi" dcl-tempo-left-paren |
43e34a41 RS |
2032 | (p "pid: ") dcl-tempo-comma |
2033 | (p "item: ") dcl-tempo-right-paren ) | |
2034 | "f$getjpi" "" 'dcl-tempo-tags) | |
2035 | ||
2036 | (tempo-define-template "dcl-f$getqui" | |
a1506d29 | 2037 | '("f$getqui" dcl-tempo-left-paren |
43e34a41 RS |
2038 | (p "function: ") dcl-tempo-comma |
2039 | (p "[item]: ") dcl-tempo-comma | |
2040 | (p "[object-id]: ") dcl-tempo-comma | |
2041 | (p "[flags]: ") dcl-tempo-right-paren) | |
2042 | "f$getqui" "" 'dcl-tempo-tags) | |
2043 | ||
2044 | (tempo-define-template "dcl-f$getsyi" | |
a1506d29 | 2045 | '("f$getsyi" dcl-tempo-left-paren |
43e34a41 RS |
2046 | (p "item: ") dcl-tempo-comma |
2047 | (p "[node-name]: ") dcl-tempo-comma | |
2048 | (p "[cluster-id]: ") dcl-tempo-right-paren) | |
2049 | "f$getsyi" "" 'dcl-tempo-tags) | |
2050 | ||
2051 | (tempo-define-template "dcl-f$identifier" | |
a1506d29 | 2052 | '("f$identifier" dcl-tempo-left-paren |
43e34a41 RS |
2053 | (p "identifier: ") dcl-tempo-comma |
2054 | (p "conversion-type: ") dcl-tempo-right-paren) | |
2055 | "f$identifier" "" 'dcl-tempo-tags) | |
2056 | ||
2057 | (tempo-define-template "dcl-f$integer" | |
a1506d29 | 2058 | '("f$integer" dcl-tempo-left-paren |
43e34a41 RS |
2059 | (p "expression: ") dcl-tempo-right-paren) |
2060 | "f$integer" "" 'dcl-tempo-tags) | |
2061 | ||
2062 | (tempo-define-template "dcl-f$length" | |
2063 | '("f$length" dcl-tempo-left-paren | |
2064 | (p "string: ") dcl-tempo-right-paren ) | |
2065 | "f$length" "" 'dcl-tempo-tags) | |
2066 | ||
2067 | (tempo-define-template "dcl-f$locate" | |
a1506d29 | 2068 | '("f$locate" dcl-tempo-left-paren |
43e34a41 RS |
2069 | (p "substring: ") dcl-tempo-comma |
2070 | (p "string: ") dcl-tempo-right-paren) | |
2071 | "f$locate" "" 'dcl-tempo-tags) | |
2072 | ||
2073 | (tempo-define-template "dcl-f$message" | |
a1506d29 | 2074 | '("f$message" dcl-tempo-left-paren |
43e34a41 RS |
2075 | (p "status-code: ") dcl-tempo-right-paren ) |
2076 | "f$message" "" 'dcl-tempo-tags) | |
2077 | ||
2078 | (tempo-define-template "dcl-f$mode" | |
2079 | '("f$mode" dcl-tempo-left-paren dcl-tempo-right-paren) | |
2080 | "f$mode" "" 'dcl-tempo-tags) | |
2081 | ||
2082 | (tempo-define-template "dcl-f$parse" | |
a1506d29 | 2083 | '("f$parse" dcl-tempo-left-paren |
43e34a41 RS |
2084 | (p "filespec: ") dcl-tempo-comma |
2085 | (p "[default-spec]: ") dcl-tempo-comma | |
2086 | (p "[related-spec]: ") dcl-tempo-comma | |
2087 | (p "[field]: ") dcl-tempo-comma | |
2088 | (p "[parse-type]: ") dcl-tempo-right-paren) | |
2089 | "f$parse" "" 'dcl-tempo-tags) | |
2090 | ||
2091 | (tempo-define-template "dcl-f$pid" | |
a1506d29 | 2092 | '("f$pid" dcl-tempo-left-paren |
43e34a41 RS |
2093 | (p "context-symbol: ") dcl-tempo-right-paren) |
2094 | "f$pid" "" 'dcl-tempo-tags) | |
2095 | ||
2096 | (tempo-define-template "dcl-f$privilege" | |
a1506d29 | 2097 | '("f$privilege" dcl-tempo-left-paren |
43e34a41 RS |
2098 | (p "priv-states: ") dcl-tempo-right-paren) |
2099 | "f$privilege" "" 'dcl-tempo-tags) | |
2100 | ||
2101 | (tempo-define-template "dcl-f$process" | |
2102 | '("f$process()") | |
2103 | "f$process" "" 'dcl-tempo-tags) | |
2104 | ||
2105 | (tempo-define-template "dcl-f$search" | |
a1506d29 | 2106 | '("f$search" dcl-tempo-left-paren |
43e34a41 RS |
2107 | (p "filespec: ") dcl-tempo-comma |
2108 | (p "[stream-id]: ") dcl-tempo-right-paren) | |
2109 | "f$search" "" 'dcl-tempo-tags) | |
2110 | ||
2111 | (tempo-define-template "dcl-f$setprv" | |
a1506d29 | 2112 | '("f$setprv" dcl-tempo-left-paren |
43e34a41 RS |
2113 | (p "priv-states: ") dcl-tempo-right-paren) |
2114 | "f$setprv" "" 'dcl-tempo-tags) | |
2115 | ||
2116 | (tempo-define-template "dcl-f$string" | |
a1506d29 | 2117 | '("f$string" dcl-tempo-left-paren |
43e34a41 RS |
2118 | (p "expression: ") dcl-tempo-right-paren) |
2119 | "f$string" "" 'dcl-tempo-tags) | |
2120 | ||
2121 | (tempo-define-template "dcl-f$time" | |
2122 | '("f$time" dcl-tempo-left-paren dcl-tempo-right-paren) | |
2123 | "f$time" "" 'dcl-tempo-tags) | |
2124 | ||
2125 | (tempo-define-template "dcl-f$trnlnm" | |
a1506d29 | 2126 | '("f$trnlnm" dcl-tempo-left-paren |
43e34a41 RS |
2127 | (p "logical-name: ") dcl-tempo-comma |
2128 | (p "[table]: ") dcl-tempo-comma | |
2129 | (p "[index]: ") dcl-tempo-comma | |
2130 | (p "[mode]: ") dcl-tempo-comma | |
2131 | (p "[case]: ") dcl-tempo-comma | |
2132 | (p "[item]: ") dcl-tempo-right-paren) | |
2133 | "f$trnlnm" "" 'dcl-tempo-tags) | |
2134 | ||
2135 | (tempo-define-template "dcl-f$type" | |
a1506d29 | 2136 | '("f$type" dcl-tempo-left-paren |
43e34a41 RS |
2137 | (p "symbol-name: ") dcl-tempo-right-paren) |
2138 | "f$type" "" 'dcl-tempo-tags) | |
2139 | ||
2140 | (tempo-define-template "dcl-f$user" | |
2141 | '("f$user" dcl-tempo-left-paren dcl-tempo-right-paren) | |
2142 | "f$user" "" 'dcl-tempo-tags) | |
2143 | ||
2144 | (tempo-define-template "dcl-f$verify" | |
a1506d29 | 2145 | '("f$verify" dcl-tempo-left-paren |
43e34a41 RS |
2146 | (p "[procedure-value]: ") dcl-tempo-comma |
2147 | (p "[image-value]: ") dcl-tempo-right-paren) | |
2148 | "f$verify" "" 'dcl-tempo-tags) | |
2149 | ||
2150 | ||
2151 | ||
2152 | ||
2153 | ;;; *** Unsorted stuff ***************************************************** | |
2154 | ||
2155 | ||
2156 | ;;;------------------------------------------------------------------------- | |
2157 | (defun dcl-beginning-of-command-p () | |
2158 | "Return t if point is at the beginning of a command. | |
2159 | Otherwise return nil." | |
2160 | (and (bolp) | |
2161 | (eq (dcl-get-line-type) '$))) | |
2162 | ||
2163 | ||
2164 | ;;;------------------------------------------------------------------------- | |
2165 | (defun dcl-end-of-command-p () | |
2166 | "Check if point is at the end of a command. | |
2167 | Return t if point is at the end of a command, either the end of an | |
2168 | only line or at the end of the last continuation line. | |
2169 | Otherwise return nil." | |
2170 | ;; Must be at end-of-line on a command line or a continuation line | |
2171 | (let ((type (dcl-get-line-type))) | |
2172 | (if (and (eolp) | |
2173 | (or (eq type '$) | |
2174 | (eq type '-))) | |
2175 | ;; Next line must not be a continuation line | |
2176 | (save-excursion | |
2177 | (forward-line) | |
2178 | (not (eq (dcl-get-line-type) '-)))))) | |
2179 | ||
2180 | ||
2181 | ;;;------------------------------------------------------------------------- | |
2182 | (defun dcl-command-p () | |
2183 | "Check if point is on a command line. | |
2184 | Return t if point is on a command line or a continuation line, | |
2185 | otherwise return nil." | |
2186 | (let ((type (dcl-get-line-type))) | |
2187 | (or (eq type '$) | |
2188 | (eq type '-)))) | |
2189 | ||
2190 | ||
2191 | ;;;------------------------------------------------------------------------- | |
2192 | (defun dcl-was-looking-at (regexp) | |
2193 | (save-excursion | |
2194 | (let ((start (point)) | |
2195 | (found (re-search-backward regexp 0 t))) | |
2196 | (if (not found) | |
2197 | () | |
2198 | (equal start (match-end 0)))))) | |
2199 | ||
5cec3056 | 2200 | (declare-function imenu-default-create-index-function "imenu" ()) |
a1506d29 | 2201 | |
43e34a41 RS |
2202 | ;;;------------------------------------------------------------------------- |
2203 | (defun dcl-imenu-create-index-function () | |
2204 | "Jacket routine to make imenu searches non case sensitive." | |
2205 | (let ((case-fold-search t)) | |
2206 | (imenu-default-create-index-function))) | |
2207 | ||
2208 | ||
2209 | ||
2210 | ;;; *** Epilogue ************************************************************ | |
2211 | ||
2212 | ||
2213 | (provide 'dcl-mode) | |
2214 | ||
2215 | (run-hooks 'dcl-mode-load-hook) ; for your customizations | |
2216 | ||
2217 | ;;; dcl-mode.el ends here |