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4633a7c4 |
1 | ;;; This code started from the following message of long time ago (IZ): |
2 | |
3 | ;;; From: olson@mcs.anl.gov (Bob Olson) |
4 | ;;; Newsgroups: comp.lang.perl |
5 | ;;; Subject: cperl-mode: Another perl mode for Gnuemacs |
6 | ;;; Date: 14 Aug 91 15:20:01 GMT |
7 | |
8 | ;; Perl code editing commands for Emacs |
9 | ;; Copyright (C) 1985, 1986, 1987 Free Software Foundation, Inc. |
10 | |
11 | ;; This file is not (yet) part of GNU Emacs. |
12 | |
13 | ;; GNU Emacs is free software; you can redistribute it and/or modify |
14 | ;; it under the terms of the GNU General Public License as published by |
15 | ;; the Free Software Foundation; either version 2, or (at your option) |
16 | ;; any later version. |
17 | |
18 | ;; GNU Emacs is distributed in the hope that it will be useful, |
19 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
20 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
21 | ;; GNU General Public License for more details. |
22 | |
23 | ;; You should have received a copy of the GNU General Public License |
24 | ;; along with GNU Emacs; see the file COPYING. If not, write to |
25 | ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
26 | |
27 | ;;; Corrections made by Ilya Zakharevich ilya@math.mps.ohio-state.edu |
28 | ;;; XEmacs changes by Peter Arius arius@informatik.uni-erlangen.de |
29 | |
30 | ;; $Id: cperl-mode.el,v 1.15 1995/10/07 22:23:37 ilya Exp ilya $ |
31 | |
32 | ;;; To use this mode put the following into your .emacs file: |
33 | |
34 | ;; (autoload 'perl-mode "cperl-mode" "alternate mode for editing Perl programs" t) |
35 | |
36 | ;;; You can either fine-tune the bells and whistles of this mode or |
37 | ;;; bulk enable them by putting |
38 | |
39 | ;; (setq cperl-hairy t) |
40 | |
41 | ;;; in your .emacs file. (Emacs rulers do not consider it politically |
42 | ;;; correct to make whistles enabled by default.) |
43 | |
44 | ;;; Additional useful commands to put into your .emacs file: |
45 | |
46 | ;; (setq auto-mode-alist |
47 | ;; (append '(("\\.[pP][Llm]$" . perl-mode)) auto-mode-alist )) |
48 | ;; (setq interpreter-mode-alist (append interpreter-mode-alist |
49 | ;; '(("miniperl" . perl-mode)))) |
50 | |
51 | ;;; The mode information (on C-h m) provides customization help. |
52 | ;;; If you use font-lock feature of this mode, it is advisable to use |
53 | ;;; eather lazy-lock-mode or fast-lock-mode (available on ELisp |
54 | ;;; archive in files lazy-lock.el and fast-lock.el). I prefer lazy-lock. |
55 | |
56 | ;;; Faces used now: three faces for first-class and second-class keywords |
57 | ;;; and control flow words, one for each: comments, string, labels, |
58 | ;;; functions definitions and packages, arrays, hashes, and variable |
59 | ;;; definitions. If you do not see all these faces, your font-lock does |
60 | ;;; not define them, so you need to define them manually. Maybe you have |
61 | ;;; an obsolete font-lock from 19.28 or earlier. Upgrade. |
62 | |
63 | ;;; If you have grayscale monitor, and do not have the variable |
64 | ;;; font-lock-display-type bound to 'grayscale, insert |
65 | |
66 | ;;; (setq font-lock-display-type 'grayscale) |
67 | |
68 | ;;; to your .emacs file. |
69 | |
70 | ;;;; This mode supports font-lock, imenu and compile-mode. In the |
71 | ;;;; hairy version font-lock is on, but you should activate imenu |
72 | ;;;; yourself (note that compile-mode is not standard yet). Well, you |
73 | ;;;; can use imenu from keyboard anyway (M-x imenu), but it is better |
74 | ;;;; to bind it like that: |
75 | |
76 | ;; (define-key global-map [M-S-down-mouse-3] 'imenu) |
77 | |
78 | ;;; In fact the version of font-lock that this version supports can be |
79 | ;;; much newer than the version you actually have. This means that a |
80 | ;;; lot of faces can be set up, but are not visible on your screen |
81 | ;;; since the coloring rules for this faces are not defined. |
82 | |
83 | ;;; Tips: ======================================== |
84 | |
85 | ;;; get newest version of this package from |
86 | ;;; ftp://ftp.math.ohio-state.edu/pub/users/ilya/lisp |
87 | ;;; and/or |
88 | ;;; ftp://ftp.math.ohio-state.edu/pub/users/ilya/perl |
89 | |
90 | ;;; Get support packages font-lock-extra.el, imenu-go.el from the same place. |
91 | ;;; (Look for other files there too... ;-) Get a patch for imenu.el. |
92 | |
93 | ;;; Get perl5-info from |
94 | ;; http://www.metronet.com:70/9/perlinfo/perl5/manual/perl5-info.tar.gz |
95 | ;;; (may be quite obsolete, but still useful). |
96 | |
97 | ;;; If you use imenu-go, run imenu on perl5-info buffer (can do it from |
98 | ;;; CPerl menu). |
99 | |
100 | ;;;; Known problems: ======================================== |
101 | |
102 | ;;; The very new pod |
103 | ;;; features. The rules are: |
104 | |
105 | ;;; /\n=/ should start comment mode, and |
106 | ;;; /\n=cut\s/ should stop comment mode |
107 | |
108 | ;;; Expansion of keywords tries to detect this kind of commenting, but |
109 | ;;; a "=" that starts a perl row (as in multiline comment and here |
110 | ;;; document) can confuse it. |
111 | |
112 | ;;; The main trick (to |
113 | ;;; make $ a "backslash") makes constructions like ${aaa} look like |
114 | ;;; unbalanced braces. The only trick I can think out is to insert it as |
115 | ;;; $ {aaa} (legal in perl5, not in perl4). |
116 | |
117 | ;;;; Known non-problems: ======================================== |
118 | |
119 | ;;; Perl quoting rules are too hard for CPerl. Try to help it: add |
120 | ;;; comments with embedded quotes to fix CPerl misunderstandings: |
121 | |
122 | ;;; $a='500$'; # '; |
123 | |
124 | ;;; You won't need it too often. |
125 | |
126 | ;;; Now the indentation code is pretty wise. If you still get wrong |
127 | ;;; indentation in situation that you think the code should be able to |
128 | ;;; parse, try: |
129 | |
130 | ;;; a) Check what Emacs thinks about balance of your parentheses. |
131 | ;;; b) Supply the code to me (IZ). |
132 | |
133 | ;;; Updates: ======================================== |
134 | |
135 | ;;; Made less hairy by default: parentheses not electric, |
136 | ;;; linefeed not magic. Bug with abbrev-mode corrected. |
137 | |
138 | ;;;; After 1.4: |
139 | ;;; Better indentation: |
140 | ;;; subs inside braces should work now, |
141 | ;;; Toplevel braces obey customization. |
142 | ;;; indent-for-comment knows about bad cases, cperl-indent-for-comment |
143 | ;;; moves cursor to a correct place. |
144 | ;;; cperl-indent-exp written from the scratch! Slow... (quadratic!) :-( |
145 | ;;; (50 secs on DB::DB (sub of 430 lines), 486/66) |
146 | ;;; Minor documentation fixes. |
147 | ;;; Imenu understands packages as prefixes (including nested). |
148 | ;;; Hairy options can be switched off one-by-one by setting to null. |
149 | ;;; Names of functions and variables changed to conform to `cperl-' style. |
150 | |
151 | ;;;; After 1.5: |
152 | ;;; Some bugs with indentation of labels (and embedded subs) corrected. |
153 | ;;; `cperl-indent-region' done (slow :-()). |
154 | ;;; `cperl-fill-paragraph' done. |
155 | ;;; Better package support for `imenu'. |
156 | ;;; Progress indicator for indentation (with `imenu' loaded). |
157 | ;;; `Cperl-set' was busted, now setting the individual hairy option |
158 | ;;; should be better. |
159 | |
160 | ;;;; After 1.6: |
161 | ;;; `cperl-set-style' done. |
162 | ;;; `cperl-check-syntax' done. |
163 | ;;; Menu done. |
164 | ;;; New config variables `cperl-close-paren-offset' and `cperl-comment-column'. |
165 | ;;; Bugs with `cperl-auto-newline' corrected. |
166 | ;;; `cperl-electric-lbrace' can work with `cperl-auto-newline' in situation |
167 | ;;; like $hash{. |
168 | |
169 | ;;;; 1.7 XEmacs (arius@informatik.uni-erlangen.de): |
170 | ;;; - use `next-command-event', if `next-command-events' does not exist |
171 | ;;; - use `find-face' as def. of `is-face' |
172 | ;;; - corrected def. of `x-color-defined-p' |
173 | ;;; - added const defs for font-lock-comment-face, |
174 | ;;; font-lock-keyword-face and font-lock-function-name-face |
175 | ;;; - added def. of font-lock-variable-name-face |
176 | ;;; - added (require 'easymenu) inside an `eval-when-compile' |
177 | ;;; - replaced 4-argument `substitute-key-definition' with ordinary |
178 | ;;; `define-key's |
179 | ;;; - replaced `mark-active' in menu definition by `cperl-use-region-p'. |
180 | ;;; Todo (at least): |
181 | ;;; - use emacs-vers.el (http://www.cs.utah.edu/~eeide/emacs/emacs-vers.el.gz) |
182 | ;;; for portable code? |
183 | ;;; - should `cperl-mode' do a |
184 | ;;; (if (featurep 'easymenu) (easy-menu-add cperl-menu)) |
185 | ;;; or should this be left to the user's `cperl-mode-hook'? |
186 | |
187 | ;;; Some bugs introduced by the above fix corrected (IZ ;-). |
188 | ;;; Some bugs under XEmacs introduced by the correction corrected. |
189 | |
190 | ;;; Some more can remain since there are two many different variants. |
191 | ;;; Please feedback! |
192 | |
193 | ;;; We do not support fontification of arrays and hashes under |
194 | ;;; obsolete font-lock any more. Upgrade. |
195 | |
196 | ;;;; after 1.8 Minor bug with parentheses. |
197 | ;;;; after 1.9 Improvements from Joe Marzot. |
198 | ;;;; after 1.10 |
199 | ;;; Does not need easymenu to compile under XEmacs. |
200 | ;;; `vc-insert-headers' should work better. |
201 | ;;; Should work with 19.29 and 19.12. |
202 | ;;; Small improvements to fontification. |
203 | ;;; Expansion of keywords does not depend on C-? being backspace. |
204 | |
205 | ;;; after 1.10+ |
206 | ;;; 19.29 and 19.12 supported. |
207 | ;;; `cperl-font-lock-enhanced' deprecated. Use font-lock-extra.el. |
208 | ;;; Support for font-lock-extra.el. |
209 | |
210 | ;;;; After 1.11: |
211 | ;;; Tools submenu. |
212 | ;;; Support for perl5-info. |
213 | ;;; `imenu-go-find-at-position' in Tools requires imenu-go.el (see hints above) |
214 | ;;; Imenu entries do not work with stock imenu.el. Patch sent to maintainers. |
215 | ;;; Fontifies `require a if b;', __DATA__. |
216 | ;;; Arglist for auto-fill-mode was incorrect. |
217 | |
218 | ;;;; After 1.12: |
219 | ;;; `cperl-lineup-step' and `cperl-lineup' added: lineup constructions |
220 | ;;; vertically. |
221 | ;;; `cperl-do-auto-fill' updated for 19.29 style. |
222 | ;;; `cperl-info-on-command' now has a default. |
223 | ;;; Workaround for broken C-h on XEmacs. |
224 | ;;; VC strings escaped. |
225 | ;;; C-h f now may prompt for function name instead of going on, |
226 | ;;; controlled by `cperl-info-on-command-no-prompt'. |
227 | |
228 | ;;;; After 1.13: |
229 | ;;; Msb buffer list includes perl files |
230 | ;;; Indent-for-comment uses indent-to |
231 | ;;; Can write tag files using etags. |
232 | |
233 | ;;;; After 1.14: |
234 | ;;; Recognizes (tries to ;-) {...} which are not blocks during indentation. |
235 | ;;; `cperl-close-paren-offset' affects ?\] too (and ?\} if not block) |
236 | |
237 | (defvar cperl-extra-newline-before-brace nil |
238 | "*Non-nil means that if, elsif, while, until, else, for, foreach |
239 | and do constructs look like: |
240 | |
241 | if () |
242 | { |
243 | } |
244 | |
245 | instead of: |
246 | |
247 | if () { |
248 | } |
249 | ") |
250 | (defvar cperl-indent-level 2 |
251 | "*Indentation of CPerl statements with respect to containing block.") |
252 | (defvar cperl-lineup-step nil |
253 | "*`cperl-lineup' will always lineup at multiple of this number. |
254 | If `nil', the value of `cperl-indent-level' will be used.") |
255 | (defvar cperl-brace-imaginary-offset 0 |
256 | "*Imagined indentation of a Perl open brace that actually follows a statement. |
257 | An open brace following other text is treated as if it were this far |
258 | to the right of the start of its line.") |
259 | (defvar cperl-brace-offset 0 |
260 | "*Extra indentation for braces, compared with other text in same context.") |
261 | (defvar cperl-label-offset -2 |
262 | "*Offset of CPerl label lines relative to usual indentation.") |
263 | (defvar cperl-min-label-indent 1 |
264 | "*Minimal offset of CPerl label lines.") |
265 | (defvar cperl-continued-statement-offset 2 |
266 | "*Extra indent for lines not starting new statements.") |
267 | (defvar cperl-continued-brace-offset 0 |
268 | "*Extra indent for substatements that start with open-braces. |
269 | This is in addition to cperl-continued-statement-offset.") |
270 | (defvar cperl-close-paren-offset -1 |
271 | "*Extra indent for substatements that start with close-parenthesis.") |
272 | |
273 | (defvar cperl-auto-newline nil |
274 | "*Non-nil means automatically newline before and after braces, |
275 | and after colons and semicolons, inserted in CPerl code.") |
276 | |
277 | (defvar cperl-tab-always-indent t |
278 | "*Non-nil means TAB in CPerl mode should always reindent the current line, |
279 | regardless of where in the line point is when the TAB command is used.") |
280 | |
281 | (defvar cperl-font-lock nil |
282 | "*Non-nil (and non-null) means CPerl buffers will use font-lock-mode. |
283 | Can be overwritten by `cperl-hairy' if nil.") |
284 | |
285 | (defvar cperl-electric-lbrace-space nil |
286 | "*Non-nil (and non-null) means { after $ in CPerl buffers should be preceeded by ` '. |
287 | Can be overwritten by `cperl-hairy' if nil.") |
288 | |
289 | (defvar cperl-electric-parens "" |
290 | "*List of parentheses that should be electric in CPerl, or null. |
291 | Can be overwritten by `cperl-hairy' to \"({[<\" if not 'null.") |
292 | |
293 | (defvar cperl-electric-linefeed nil |
294 | "*If true, LFD should be hairy in CPerl, otherwise C-c LFD is hairy. |
295 | In any case these two mean plain and hairy linefeeds together. |
296 | Can be overwritten by `cperl-hairy' if nil.") |
297 | |
298 | (defvar cperl-electric-keywords nil |
299 | "*Not-nil (and non-null) means keywords are electric in CPerl. |
300 | Can be overwritten by `cperl-hairy' if nil.") |
301 | |
302 | (defvar cperl-hairy nil |
303 | "*Not-nil means all the bells and whistles are enabled in CPerl.") |
304 | |
305 | (defvar cperl-comment-column 32 |
306 | "*Column to put comments in CPerl (use \\[cperl-indent]' to lineup with code).") |
307 | |
308 | (defvar cperl-vc-header-alist '((SCCS "$sccs = '%W\%' ;") |
309 | (RCS "$rcs = ' $Id\$ ' ;")) |
310 | "*What to use as `vc-header-alist' in CPerl.") |
311 | |
312 | (defvar cperl-info-on-command-no-prompt nil |
313 | "*Not-nil (and non-null) means not to prompt on C-h f. |
314 | The opposite behaviour is always available if prefixed with C-c. |
315 | Can be overwritten by `cperl-hairy' if nil.") |
316 | \f |
317 | |
318 | ;;; Portability stuff: |
319 | |
320 | (defsubst cperl-xemacs-p () |
321 | (string-match "XEmacs\\|Lucid" emacs-version)) |
322 | |
323 | (defvar del-back-ch (car (append (where-is-internal 'delete-backward-char) |
324 | (where-is-internal 'backward-delete-char-untabify))) |
325 | "Character generated by key bound to delete-backward-char.") |
326 | |
327 | (and (vectorp del-back-ch) (= (length del-back-ch) 1) |
328 | (setq del-back-ch (aref del-back-ch 0))) |
329 | |
330 | (if (cperl-xemacs-p) |
331 | ;; "Active regions" are on: use region only if active |
332 | ;; "Active regions" are off: use region unconditionally |
333 | (defun cperl-use-region-p () |
334 | (if zmacs-regions (mark) t)) |
335 | (defun cperl-use-region-p () |
336 | (if transient-mark-mode mark-active t))) |
337 | |
338 | (defsubst cperl-enable-font-lock () |
339 | (or (cperl-xemacs-p) window-system)) |
340 | |
341 | (if (boundp 'unread-command-events) |
342 | (if (cperl-xemacs-p) |
343 | (defun cperl-putback-char (c) ; XEmacs >= 19.12 |
344 | (setq unread-command-events (list (character-to-event c)))) |
345 | (defun cperl-putback-char (c) ; Emacs 19 |
346 | (setq unread-command-events (list c)))) |
347 | (defun cperl-putback-char (c) ; XEmacs <= 19.11 |
348 | (setq unread-command-event (character-to-event c)))) |
349 | |
350 | (or (fboundp 'uncomment-region) |
351 | (defun uncomment-region (beg end) |
352 | (interactive "r") |
353 | (comment-region beg end -1))) |
354 | |
355 | ;;; Probably it is too late to set these guys already, but it can help later: |
356 | |
357 | (setq auto-mode-alist |
358 | (append '(("\\.[pP][Llm]$" . perl-mode)) auto-mode-alist )) |
359 | (and (boundp 'interpreter-mode-alist) |
360 | (setq interpreter-mode-alist (append interpreter-mode-alist |
361 | '(("miniperl" . perl-mode))))) |
362 | (if (fboundp 'eval-when-compile) |
363 | (eval-when-compile |
364 | (condition-case nil |
365 | (require 'imenu) |
366 | (error nil)) |
367 | (condition-case nil |
368 | (require 'easymenu) |
369 | (error nil)) |
370 | ;; Calling `cperl-enable-font-lock' below doesn't compile on XEmacs, |
371 | ;; macros instead of defsubsts don't work on Emacs, so we do the |
372 | ;; expansion manually. Any other suggestions? |
373 | (if (or (string-match "XEmacs\\|Lucid" emacs-version) |
374 | window-system) |
375 | (require 'font-lock)) |
376 | (require 'cl) |
377 | )) |
378 | |
379 | (defvar cperl-mode-abbrev-table nil |
380 | "Abbrev table in use in Cperl-mode buffers.") |
381 | |
382 | (add-hook 'edit-var-mode-alist '(perl-mode (regexp . "^cperl-"))) |
383 | |
384 | (defvar cperl-mode-map () "Keymap used in CPerl mode.") |
385 | |
386 | (if cperl-mode-map nil |
387 | (setq cperl-mode-map (make-sparse-keymap)) |
388 | (define-key cperl-mode-map "{" 'cperl-electric-lbrace) |
389 | (define-key cperl-mode-map "[" 'cperl-electric-paren) |
390 | (define-key cperl-mode-map "(" 'cperl-electric-paren) |
391 | (define-key cperl-mode-map "<" 'cperl-electric-paren) |
392 | (define-key cperl-mode-map "}" 'cperl-electric-brace) |
393 | (define-key cperl-mode-map ";" 'cperl-electric-semi) |
394 | (define-key cperl-mode-map ":" 'cperl-electric-terminator) |
395 | (define-key cperl-mode-map "\C-j" 'newline-and-indent) |
396 | (define-key cperl-mode-map "\C-c\C-j" 'cperl-linefeed) |
397 | (define-key cperl-mode-map "\e\C-q" 'cperl-indent-exp) ; Usually not bound |
398 | ;;(define-key cperl-mode-map "\M-q" 'cperl-fill-paragraph) |
399 | ;;(define-key cperl-mode-map "\e;" 'cperl-indent-for-comment) |
400 | (define-key cperl-mode-map "\177" 'backward-delete-char-untabify) |
401 | (define-key cperl-mode-map "\t" 'cperl-indent-command) |
402 | (if (cperl-xemacs-p) |
403 | ;; don't clobber the backspace binding: |
404 | (define-key cperl-mode-map [(control h) f] 'cperl-info-on-command) |
405 | (define-key cperl-mode-map "\C-hf" 'cperl-info-on-command)) |
406 | (if (cperl-xemacs-p) |
407 | ;; don't clobber the backspace binding: |
408 | (define-key cperl-mode-map [(control c) (control h) f] |
409 | 'cperl-info-on-current-command) |
410 | (define-key cperl-mode-map "\C-c\C-hf" 'cperl-info-on-current-command)) |
411 | (if (and (cperl-xemacs-p) |
412 | (<= emacs-minor-version 11) (<= emacs-major-version 19)) |
413 | (progn |
414 | ;; substitute-key-definition is usefulness-deenhanced... |
415 | (define-key cperl-mode-map "\M-q" 'cperl-fill-paragraph) |
416 | (define-key cperl-mode-map "\e;" 'cperl-indent-for-comment) |
417 | (define-key cperl-mode-map "\e\C-\\" 'cperl-indent-region)) |
418 | (substitute-key-definition |
419 | 'indent-sexp 'cperl-indent-exp |
420 | cperl-mode-map global-map) |
421 | (substitute-key-definition |
422 | 'fill-paragraph 'cperl-fill-paragraph |
423 | cperl-mode-map global-map) |
424 | (substitute-key-definition |
425 | 'indent-region 'cperl-indent-region |
426 | cperl-mode-map global-map) |
427 | (substitute-key-definition |
428 | 'indent-for-comment 'cperl-indent-for-comment |
429 | cperl-mode-map global-map))) |
430 | |
431 | (condition-case nil |
432 | (progn |
433 | (require 'easymenu) |
434 | (easy-menu-define cperl-menu cperl-mode-map "Menu for CPerl mode" |
435 | '("Perl" |
436 | ["Beginning of function" beginning-of-defun t] |
437 | ["End of function" end-of-defun t] |
438 | ["Mark function" mark-defun t] |
439 | ["Indent expression" cperl-indent-exp t] |
440 | ["Fill paragraph/comment" cperl-fill-paragraph t] |
441 | ["Line up a construction" cperl-lineup (cperl-use-region-p)] |
442 | "----" |
443 | ["Indent region" cperl-indent-region (cperl-use-region-p)] |
444 | ["Comment region" comment-region (cperl-use-region-p)] |
445 | ["Uncomment region" uncomment-region (cperl-use-region-p)] |
446 | "----" |
447 | ["Run" mode-compile (fboundp 'mode-compile)] |
448 | ["Kill" mode-compile-kill (and (fboundp 'mode-compile-kill) |
449 | (get-buffer "*compilation*"))] |
450 | ["Next error" next-error (get-buffer "*compilation*")] |
451 | ["Check syntax" cperl-check-syntax (fboundp 'mode-compile)] |
452 | "----" |
453 | ["Debugger" perldb t] |
454 | "----" |
455 | ("Tools" |
456 | ["Imenu" imenu (fboundp 'imenu)] |
457 | ["Imenu on info" cperl-imenu-on-info (featurep 'imenu)] |
458 | ("Tags" |
459 | ["Create tags for current file" cperl-etags t] |
460 | ["Add tags for current file" (cperl-etags t) t] |
461 | ["Create tags for Perl files in directory" (cperl-etags nil t) t] |
462 | ["Add tags for Perl files in directory" (cperl-etags t t) t] |
463 | ["Create tags for Perl files in (sub)directories" |
464 | (cperl-etags nil 'recursive) t] |
465 | ["Add tags for Perl files in (sub)directories" |
466 | (cperl-etags t 'recursive) t]) |
467 | ["Define word at point" imenu-go-find-at-position |
468 | (fboundp 'imenu-go-find-at-position)] |
469 | ["Help on function" cperl-info-on-command t] |
470 | ["Help on function at point" cperl-info-on-current-command t]) |
471 | ("Indent styles..." |
472 | ["GNU" (cperl-set-style "GNU") t] |
473 | ["C++" (cperl-set-style "C++") t] |
474 | ["FSF" (cperl-set-style "FSF") t] |
475 | ["BSD" (cperl-set-style "BSD") t] |
476 | ["Whitesmith" (cperl-set-style "Whitesmith") t])))) |
477 | (error nil)) |
478 | |
479 | (autoload 'c-macro-expand "cmacexp" |
480 | "Display the result of expanding all C macros occurring in the region. |
481 | The expansion is entirely correct because it uses the C preprocessor." |
482 | t) |
483 | |
484 | (defvar cperl-mode-syntax-table nil |
485 | "Syntax table in use in Cperl-mode buffers.") |
486 | |
487 | (if cperl-mode-syntax-table |
488 | () |
489 | (setq cperl-mode-syntax-table (make-syntax-table)) |
490 | (modify-syntax-entry ?\\ "\\" cperl-mode-syntax-table) |
491 | (modify-syntax-entry ?/ "." cperl-mode-syntax-table) |
492 | (modify-syntax-entry ?* "." cperl-mode-syntax-table) |
493 | (modify-syntax-entry ?+ "." cperl-mode-syntax-table) |
494 | (modify-syntax-entry ?- "." cperl-mode-syntax-table) |
495 | (modify-syntax-entry ?= "." cperl-mode-syntax-table) |
496 | (modify-syntax-entry ?% "." cperl-mode-syntax-table) |
497 | (modify-syntax-entry ?< "." cperl-mode-syntax-table) |
498 | (modify-syntax-entry ?> "." cperl-mode-syntax-table) |
499 | (modify-syntax-entry ?& "." cperl-mode-syntax-table) |
500 | (modify-syntax-entry ?$ "\\" cperl-mode-syntax-table) |
501 | (modify-syntax-entry ?\n ">" cperl-mode-syntax-table) |
502 | (modify-syntax-entry ?# "<" cperl-mode-syntax-table) |
503 | (modify-syntax-entry ?' "\"" cperl-mode-syntax-table) |
504 | (modify-syntax-entry ?` "\"" cperl-mode-syntax-table) |
505 | (modify-syntax-entry ?_ "w" cperl-mode-syntax-table) |
506 | (modify-syntax-entry ?| "." cperl-mode-syntax-table)) |
507 | |
508 | |
509 | \f |
510 | ;; Make customization possible "in reverse" |
511 | ;;(defun cperl-set (symbol to) |
512 | ;; (or (eq (symbol-value symbol) 'null) (set symbol to))) |
513 | (defsubst cperl-val (symbol &optional default hairy) |
514 | (cond |
515 | ((eq (symbol-value symbol) 'null) default) |
516 | (cperl-hairy (or hairy t)) |
517 | (t (symbol-value symbol)))) |
518 | \f |
519 | ;; provide an alias for working with emacs 19. the perl-mode that comes |
520 | ;; with it is really bad, and this lets us seamlessly replace it. |
521 | (fset 'perl-mode 'cperl-mode) |
522 | (defun cperl-mode () |
523 | "Major mode for editing Perl code. |
524 | Expression and list commands understand all C brackets. |
525 | Tab indents for Perl code. |
526 | Paragraphs are separated by blank lines only. |
527 | Delete converts tabs to spaces as it moves back. |
528 | |
529 | Various characters in Perl almost always come in pairs: {}, (), [], |
530 | sometimes <>. When the user types the first, she gets the second as |
531 | well, with optional special formatting done on {}. (Disabled by |
532 | default.) You can always quote (with \\[quoted-insert]) the left |
533 | \"paren\" to avoid the expansion. The processing of < is special, |
534 | since most the time you mean \"less\". Cperl mode tries to guess |
535 | whether you want to type pair <>, and inserts is if it |
536 | appropriate. You can set `cperl-electric-parens' to the string that |
537 | contains the parenths from the above list you want to be electrical. |
538 | |
539 | CPerl mode provides expansion of the Perl control constructs: |
540 | if, else, elsif, unless, while, until, for, and foreach. |
541 | =========(Disabled by default, see `cperl-electric-keywords'.) |
542 | The user types the keyword immediately followed by a space, which causes |
543 | the construct to be expanded, and the user is positioned where she is most |
544 | likely to want to be. |
545 | eg. when the user types a space following \"if\" the following appears in |
546 | the buffer: |
547 | if () { or if () |
548 | } { |
549 | } |
550 | and the cursor is between the parentheses. The user can then type some |
551 | boolean expression within the parens. Having done that, typing |
552 | \\[cperl-linefeed] places you, appropriately indented on a new line |
553 | between the braces. If CPerl decides that you want to insert |
554 | \"English\" style construct like |
555 | bite if angry; |
556 | it will not do any expansion. See also help on variable |
557 | `cperl-extra-newline-before-brace'. |
558 | |
559 | \\[cperl-linefeed] is a convinience replacement for typing carriage |
560 | return. It places you in the next line with proper indentation, or if |
561 | you type it inside the inline block of control construct, like |
562 | foreach (@lines) {print; print} |
563 | and you are on a boundary of a statement inside braces, it will |
564 | transform the construct into a multiline and will place you into an |
565 | apporpriately indented blank line. If you need a usual |
566 | `newline-and-indent' behaviour, it is on \\[newline-and-indent], |
567 | see documentation on `cperl-electric-linefeed'. |
568 | |
569 | \\{cperl-mode-map} |
570 | |
571 | Setting the variable `cperl-font-lock' to t switches on |
572 | font-lock-mode, `cperl-electric-lbrace-space' to t switches on |
573 | electric space between $ and {, `cperl-electric-parens' is the string |
574 | that contains parentheses that should be electric in CPerl, setting |
575 | `cperl-electric-keywords' enables electric expansion of control |
576 | structures in CPerl. `cperl-electric-linefeed' governs which one of |
577 | two linefeed behavior is preferable. You can enable all these options |
578 | simultaneously (recommended mode of use) by setting `cperl-hairy' to |
579 | t. In this case you can switch separate options off by setting them |
580 | to `null'. |
581 | |
582 | If your site has perl5 documentation in info format, you can use commands |
583 | \\[cperl-info-on-current-command] and \\[cperl-info-on-command] to access it. |
584 | These keys run commands `cperl-info-on-current-command' and |
585 | `cperl-info-on-command', which one is which is controlled by variable |
586 | `cperl-info-on-command-no-prompt' (in turn affected by `cperl-hairy'). |
587 | |
588 | Variables controlling indentation style: |
589 | `cperl-tab-always-indent' |
590 | Non-nil means TAB in CPerl mode should always reindent the current line, |
591 | regardless of where in the line point is when the TAB command is used. |
592 | `cperl-auto-newline' |
593 | Non-nil means automatically newline before and after braces, |
594 | and after colons and semicolons, inserted in Perl code. |
595 | `cperl-indent-level' |
596 | Indentation of Perl statements within surrounding block. |
597 | The surrounding block's indentation is the indentation |
598 | of the line on which the open-brace appears. |
599 | `cperl-continued-statement-offset' |
600 | Extra indentation given to a substatement, such as the |
601 | then-clause of an if, or body of a while, or just a statement continuation. |
602 | `cperl-continued-brace-offset' |
603 | Extra indentation given to a brace that starts a substatement. |
604 | This is in addition to `cperl-continued-statement-offset'. |
605 | `cperl-brace-offset' |
606 | Extra indentation for line if it starts with an open brace. |
607 | `cperl-brace-imaginary-offset' |
608 | An open brace following other text is treated as if it the line started |
609 | this far to the right of the actual line indentation. |
610 | `cperl-label-offset' |
611 | Extra indentation for line that is a label. |
612 | `cperl-min-label-indent' |
613 | Minimal indentation for line that is a label. |
614 | |
615 | Settings for K&R and BSD indentation styles are |
616 | `cperl-indent-level' 5 8 |
617 | `cperl-continued-statement-offset' 5 8 |
618 | `cperl-brace-offset' -5 -8 |
619 | `cperl-label-offset' -5 -8 |
620 | |
621 | If `cperl-indent-level' is 0, the statement after opening brace in column 0 is indented on `cperl-brace-offset'+`cperl-continued-statement-offset'. |
622 | |
623 | Turning on CPerl mode calls the hooks in the variable `cperl-mode-hook' |
624 | with no args." |
625 | (interactive) |
626 | (kill-all-local-variables) |
627 | ;;(if cperl-hairy |
628 | ;; (progn |
629 | ;; (cperl-set 'cperl-font-lock cperl-hairy) |
630 | ;; (cperl-set 'cperl-electric-lbrace-space cperl-hairy) |
631 | ;; (cperl-set 'cperl-electric-parens "{[(<") |
632 | ;; (cperl-set 'cperl-electric-keywords cperl-hairy) |
633 | ;; (cperl-set 'cperl-electric-linefeed cperl-hairy))) |
634 | (use-local-map cperl-mode-map) |
635 | (if (cperl-val 'cperl-electric-linefeed) |
636 | (progn |
637 | (local-set-key "\C-J" 'cperl-linefeed) |
638 | (local-set-key "\C-C\C-J" 'newline-and-indent))) |
639 | (if (cperl-val 'cperl-info-on-command-no-prompt) |
640 | (progn |
641 | (if (cperl-xemacs-p) |
642 | ;; don't clobber the backspace binding: |
643 | (local-set-key [(control h) f] 'cperl-info-on-current-command) |
644 | (local-set-key "\C-hf" 'cperl-info-on-current-command)) |
645 | (if (cperl-xemacs-p) |
646 | ;; don't clobber the backspace binding: |
647 | (local-set-key [(control c) (control h) f] |
648 | 'cperl-info-on-command) |
649 | (local-set-key "\C-c\C-hf" 'cperl-info-on-command)))) |
650 | (setq major-mode 'perl-mode) |
651 | (setq mode-name "CPerl") |
652 | (if (not cperl-mode-abbrev-table) |
653 | (let ((prev-a-c abbrevs-changed)) |
654 | (define-abbrev-table 'cperl-mode-abbrev-table '( |
655 | ("if" "if" cperl-electric-keyword 0) |
656 | ("elsif" "elsif" cperl-electric-keyword 0) |
657 | ("while" "while" cperl-electric-keyword 0) |
658 | ("until" "until" cperl-electric-keyword 0) |
659 | ("unless" "unless" cperl-electric-keyword 0) |
660 | ("else" "else" cperl-electric-else 0) |
661 | ("for" "for" cperl-electric-keyword 0) |
662 | ("foreach" "foreach" cperl-electric-keyword 0) |
663 | ("do" "do" cperl-electric-keyword 0))) |
664 | (setq abbrevs-changed prev-a-c))) |
665 | (setq local-abbrev-table cperl-mode-abbrev-table) |
666 | (abbrev-mode (if (cperl-val 'cperl-electric-keywords) 1 0)) |
667 | (set-syntax-table cperl-mode-syntax-table) |
668 | (make-local-variable 'paragraph-start) |
669 | (setq paragraph-start (concat "^$\\|" page-delimiter)) |
670 | (make-local-variable 'paragraph-separate) |
671 | (setq paragraph-separate paragraph-start) |
672 | (make-local-variable 'paragraph-ignore-fill-prefix) |
673 | (setq paragraph-ignore-fill-prefix t) |
674 | (make-local-variable 'indent-line-function) |
675 | (setq indent-line-function 'cperl-indent-line) |
676 | (make-local-variable 'require-final-newline) |
677 | (setq require-final-newline t) |
678 | (make-local-variable 'comment-start) |
679 | (setq comment-start "# ") |
680 | (make-local-variable 'comment-end) |
681 | (setq comment-end "") |
682 | (make-local-variable 'comment-column) |
683 | (setq comment-column cperl-comment-column) |
684 | (make-local-variable 'comment-start-skip) |
685 | (setq comment-start-skip "#+ *") |
686 | (make-local-variable 'defun-prompt-regexp) |
687 | (setq defun-prompt-regexp "[ \t]*sub\\s +\\([^ \t\n{;]+\\)\\s *") |
688 | (make-local-variable 'comment-indent-function) |
689 | (setq comment-indent-function 'cperl-comment-indent) |
690 | (make-local-variable 'parse-sexp-ignore-comments) |
691 | (setq parse-sexp-ignore-comments t) |
692 | (make-local-variable 'indent-region-function) |
693 | (setq indent-region-function 'cperl-indent-region) |
694 | ;;(setq auto-fill-function 'cperl-do-auto-fill) ; Need to switch on and off! |
695 | (make-local-variable 'imenu-create-index-function) |
696 | (setq imenu-create-index-function |
697 | (function imenu-example--create-perl-index)) |
698 | (make-local-variable 'vc-header-alist) |
699 | (setq vc-header-alist cperl-vc-header-alist) |
700 | (or (fboundp 'cperl-old-auto-fill-mode) |
701 | (progn |
702 | (fset 'cperl-old-auto-fill-mode (symbol-function 'auto-fill-mode)) |
703 | (defun auto-fill-mode (&optional arg) |
704 | (interactive "P") |
705 | (cperl-old-auto-fill-mode arg) |
706 | (and auto-fill-function (eq major-mode 'perl-mode) |
707 | (setq auto-fill-function 'cperl-do-auto-fill))))) |
708 | (if (cperl-enable-font-lock) |
709 | (if (cperl-val 'cperl-font-lock) (font-lock-mode 1))) |
710 | (and (boundp 'msb-menu-cond) |
711 | (not cperl-msb-fixed) |
712 | (cperl-msb-fix)) |
713 | (run-hooks 'cperl-mode-hook)) |
714 | \f |
715 | ;; Fix for msb.el |
716 | (defvar cperl-msb-fixed nil) |
717 | |
718 | (defun cperl-msb-fix () |
719 | ;; Adds perl files to msb menu, supposes that msb is already loaded |
720 | (setq cperl-msb-fixed t) |
721 | (let* ((l (length msb-menu-cond)) |
722 | (last (nth (1- l) msb-menu-cond)) |
723 | (precdr (nthcdr (- l 2) msb-menu-cond)) ; cdr of this is last |
724 | (handle (1- (nth 1 last)))) |
725 | (setcdr precdr (list |
726 | (list |
727 | '(eq major-mode 'perl-mode) |
728 | handle |
729 | "Perl Files (%d)") |
730 | last)))) |
731 | \f |
732 | ;; This is used by indent-for-comment |
733 | ;; to decide how much to indent a comment in CPerl code |
734 | ;; based on its context. Do fallback if comment is found wrong. |
735 | |
736 | (defvar cperl-wrong-comment) |
737 | |
738 | (defun cperl-comment-indent () |
739 | (let ((p (point)) (c (current-column)) was) |
740 | (if (looking-at "^#") 0 ; Existing comment at bol stays there. |
741 | ;; Wrong comment found |
742 | (save-excursion |
743 | (setq was (cperl-to-comment-or-eol)) |
744 | (if (= (point) p) |
745 | (progn |
746 | (skip-chars-backward " \t") |
747 | (max (1+ (current-column)) ; Else indent at comment column |
748 | comment-column)) |
749 | (if was nil |
750 | (insert comment-start) |
751 | (backward-char (length comment-start))) |
752 | (setq cperl-wrong-comment t) |
753 | (indent-to comment-column 1) ; Indent minimum 1 |
754 | c))))) ; except leave at least one space. |
755 | |
756 | ;;;(defun cperl-comment-indent-fallback () |
757 | ;;; "Is called if the standard comment-search procedure fails. |
758 | ;;;Point is at start of real comment." |
759 | ;;; (let ((c (current-column)) target cnt prevc) |
760 | ;;; (if (= c comment-column) nil |
761 | ;;; (setq cnt (skip-chars-backward "[ \t]")) |
762 | ;;; (setq target (max (1+ (setq prevc |
763 | ;;; (current-column))) ; Else indent at comment column |
764 | ;;; comment-column)) |
765 | ;;; (if (= c comment-column) nil |
766 | ;;; (delete-backward-char cnt) |
767 | ;;; (while (< prevc target) |
768 | ;;; (insert "\t") |
769 | ;;; (setq prevc (current-column))) |
770 | ;;; (if (> prevc target) (progn (delete-char -1) (setq prevc (current-column)))) |
771 | ;;; (while (< prevc target) |
772 | ;;; (insert " ") |
773 | ;;; (setq prevc (current-column))))))) |
774 | |
775 | (defun cperl-indent-for-comment () |
776 | "Substite for `indent-for-comment' in CPerl." |
777 | (interactive) |
778 | (let (cperl-wrong-comment) |
779 | (indent-for-comment) |
780 | (if cperl-wrong-comment |
781 | (progn (cperl-to-comment-or-eol) |
782 | (forward-char (length comment-start)))))) |
783 | |
784 | (defun cperl-electric-brace (arg &optional only-before) |
785 | "Insert character and correct line's indentation. |
786 | If ONLY-BEFORE and `cperl-auto-newline', will insert newline before the |
787 | place (even in empty line), but not after." |
788 | (interactive "P") |
789 | (let (insertpos) |
790 | (if (and (not arg) ; No args, end (of empty line or auto) |
791 | (eolp) |
792 | (or (and (null only-before) |
793 | (save-excursion |
794 | (skip-chars-backward " \t") |
795 | (bolp))) |
796 | (if cperl-auto-newline |
797 | (progn (cperl-indent-line) (newline) t) nil))) |
798 | (progn |
799 | (if cperl-auto-newline |
800 | (setq insertpos (point))) |
801 | (insert last-command-char) |
802 | (cperl-indent-line) |
803 | (if (and cperl-auto-newline (null only-before)) |
804 | (progn |
805 | (newline) |
806 | (cperl-indent-line))) |
807 | (save-excursion |
808 | (if insertpos (progn (goto-char insertpos) |
809 | (search-forward (make-string |
810 | 1 last-command-char)) |
811 | (setq insertpos (1- (point))))) |
812 | (delete-char -1)))) |
813 | (if insertpos |
814 | (save-excursion |
815 | (goto-char insertpos) |
816 | (self-insert-command (prefix-numeric-value arg))) |
817 | (self-insert-command (prefix-numeric-value arg))))) |
818 | |
819 | (defun cperl-electric-lbrace (arg) |
820 | "Insert character, correct line's indentation, correct quoting by space." |
821 | (interactive "P") |
822 | (let (pos after (cperl-auto-newline cperl-auto-newline)) |
823 | (and (cperl-val 'cperl-electric-lbrace-space) |
824 | (eq (preceding-char) ?$) |
825 | (save-excursion |
826 | (skip-chars-backward "$") |
827 | (looking-at "\\(\\$\\$\\)*\\$\\([^\\$]\\|$\\)")) |
828 | (insert ? )) |
829 | (if (cperl-after-expr) nil (setq cperl-auto-newline nil)) |
830 | (cperl-electric-brace arg) |
831 | (and (eq last-command-char ?{) |
832 | (memq last-command-char |
833 | (append (cperl-val 'cperl-electric-parens "" "([{<") nil)) |
834 | (setq last-command-char ?} pos (point)) |
835 | (progn (cperl-electric-brace arg t) |
836 | (goto-char pos))))) |
837 | |
838 | (defun cperl-electric-paren (arg) |
839 | "Insert a matching pair of parentheses." |
840 | (interactive "P") |
841 | (let ((beg (save-excursion (beginning-of-line) (point)))) |
842 | (if (and (memq last-command-char |
843 | (append (cperl-val 'cperl-electric-parens "" "([{<") nil)) |
844 | (>= (save-excursion (cperl-to-comment-or-eol) (point)) (point)) |
845 | ;;(not (save-excursion (search-backward "#" beg t))) |
846 | (if (eq last-command-char ?<) |
847 | (cperl-after-expr nil "{};(,:=") |
848 | 1)) |
849 | (progn |
850 | (insert last-command-char) |
851 | (insert (cdr (assoc last-command-char '((?{ .?}) |
852 | (?[ . ?]) |
853 | (?( . ?)) |
854 | (?< . ?>))))) |
855 | (forward-char -1)) |
856 | (insert last-command-char) |
857 | ))) |
858 | |
859 | (defun cperl-electric-keyword () |
860 | "Insert a construction appropriate after a keyword." |
861 | (let ((beg (save-excursion (beginning-of-line) (point)))) |
862 | (and (save-excursion |
863 | (backward-sexp 1) |
864 | (cperl-after-expr nil "{};:")) |
865 | (save-excursion |
866 | (not |
867 | (re-search-backward |
868 | "[#\"'`]\\|\\<q\\(\\|[wqx]\\)\\>" |
869 | beg t))) |
870 | (save-excursion (or (not (re-search-backward "^=" nil t)) |
871 | (looking-at "=cut"))) |
872 | (progn |
873 | (cperl-indent-line) |
874 | ;;(insert " () {\n}") |
875 | (cond |
876 | (cperl-extra-newline-before-brace |
877 | (insert " ()\n") |
878 | (insert "{") |
879 | (cperl-indent-line) |
880 | (insert "\n") |
881 | (cperl-indent-line) |
882 | (insert "\n}")) |
883 | (t |
884 | (insert " () {\n}")) |
885 | ) |
886 | (or (looking-at "[ \t]\\|$") (insert " ")) |
887 | (cperl-indent-line) |
888 | (search-backward ")") |
889 | (cperl-putback-char del-back-ch))))) |
890 | |
891 | (defun cperl-electric-else () |
892 | "Insert a construction appropriate after a keyword." |
893 | (let ((beg (save-excursion (beginning-of-line) (point)))) |
894 | (and (save-excursion |
895 | (backward-sexp 1) |
896 | (cperl-after-expr nil "{};:")) |
897 | (save-excursion |
898 | (not |
899 | (re-search-backward |
900 | "[#\"'`]\\|\\<q\\(\\|[wqx]\\)\\>" |
901 | beg t))) |
902 | (save-excursion (or (not (re-search-backward "^=" nil t)) |
903 | (looking-at "=cut"))) |
904 | (progn |
905 | (cperl-indent-line) |
906 | ;;(insert " {\n\n}") |
907 | (cond |
908 | (cperl-extra-newline-before-brace |
909 | (insert "\n") |
910 | (insert "{") |
911 | (cperl-indent-line) |
912 | (insert "\n\n}")) |
913 | (t |
914 | (insert " {\n\n}")) |
915 | ) |
916 | (or (looking-at "[ \t]\\|$") (insert " ")) |
917 | (cperl-indent-line) |
918 | (forward-line -1) |
919 | (cperl-indent-line) |
920 | (cperl-putback-char del-back-ch))))) |
921 | |
922 | (defun cperl-linefeed () |
923 | "Go to end of line, open a new line and indent appropriately." |
924 | (interactive) |
925 | (let ((beg (save-excursion (beginning-of-line) (point))) |
926 | (end (save-excursion (end-of-line) (point))) |
927 | (pos (point)) start) |
928 | (if (and ; Check if we need to split: |
929 | ; i.e., on a boundary and inside "{...}" |
930 | ;;(not (search-backward "\\(^\\|[^$\\\\]\\)#" beg t)) |
931 | (save-excursion (cperl-to-comment-or-eol) |
932 | (>= (point) pos)) |
933 | (or (save-excursion |
934 | (skip-chars-backward " \t" beg) |
935 | (forward-char -1) |
936 | (looking-at "[;{]")) |
937 | (looking-at "[ \t]*}") |
938 | (re-search-forward "\\=[ \t]*;" end t)) |
939 | (save-excursion |
940 | (and |
941 | (eq (car (parse-partial-sexp pos end -1)) -1) |
942 | (looking-at "[ \t]*\\($\\|#\\)") |
943 | ;;(setq finish (point-marker)) |
944 | (progn |
945 | (backward-sexp 1) |
946 | (setq start (point-marker)) |
947 | (<= start pos)) |
948 | ;;(looking-at "[^{}\n]*}[ \t]*$") ; Will fail if there are intervening {}'s |
949 | ;;(search-backward "{" beg t) |
950 | ;;(looking-at "{[^{}\n]*}[ \t]*$") |
951 | ))) |
952 | ;;(or (looking-at "[ \t]*}") ; and on a boundary of statements |
953 | ;; (save-excursion |
954 | ;; (skip-chars-backward " \t") |
955 | ;; (forward-char -1) |
956 | ;; (looking-at "[{;]")))) |
957 | (progn |
958 | (skip-chars-backward " \t") |
959 | (or (memq (preceding-char) (append ";{" nil)) |
960 | (insert ";")) |
961 | (insert "\n") |
962 | (forward-line -1) |
963 | (cperl-indent-line) |
964 | ;;(end-of-line) |
965 | ;;(search-backward "{" beg) |
966 | (goto-char start) |
967 | (or (looking-at "{[ \t]*$") ; If there is a statement |
968 | ; before, move it to separate line |
969 | (progn |
970 | (forward-char 1) |
971 | (insert "\n") |
972 | (cperl-indent-line))) |
973 | (forward-line 1) ; We are on the target line |
974 | (cperl-indent-line) |
975 | (beginning-of-line) |
976 | (or (looking-at "[ \t]*}[ \t]*$") ; If there is a statement |
977 | ; after, move it to separate line |
978 | (progn |
979 | (end-of-line) |
980 | (search-backward "}" beg) |
981 | (skip-chars-backward " \t") |
982 | (or (memq (preceding-char) (append ";{" nil)) |
983 | (insert ";")) |
984 | (insert "\n") |
985 | (cperl-indent-line) |
986 | (forward-line -1))) |
987 | (forward-line -1) ; We are on the line before target |
988 | (end-of-line) |
989 | (newline-and-indent)) |
990 | (end-of-line) ; else |
991 | (if (not (looking-at "\n[ \t]*$")) |
992 | (newline-and-indent) |
993 | (forward-line 1) |
994 | (cperl-indent-line))))) |
995 | |
996 | (defun cperl-electric-semi (arg) |
997 | "Insert character and correct line's indentation." |
998 | (interactive "P") |
999 | (if cperl-auto-newline |
1000 | (cperl-electric-terminator arg) |
1001 | (self-insert-command (prefix-numeric-value arg)))) |
1002 | |
1003 | (defun cperl-electric-terminator (arg) |
1004 | "Insert character and correct line's indentation." |
1005 | (interactive "P") |
1006 | (let (insertpos (end (point))) |
1007 | (if (and (not arg) (eolp) |
1008 | (not (save-excursion |
1009 | (beginning-of-line) |
1010 | (skip-chars-forward " \t") |
1011 | (or (= (following-char) ?#) |
1012 | ;; Colon is special only after a label, or case .... |
1013 | ;; So quickly rule out most other uses of colon |
1014 | ;; and do no indentation for them. |
1015 | (and (eq last-command-char ?:) |
1016 | (not (looking-at "case[ \t]")) |
1017 | (save-excursion |
1018 | (forward-word 1) |
1019 | (skip-chars-forward " \t") |
1020 | (and (< (point) end) |
1021 | (progn (goto-char (- end 1)) |
1022 | (not (looking-at ":")))))) |
1023 | (progn |
1024 | (beginning-of-defun) |
1025 | (let ((pps (parse-partial-sexp (point) end))) |
1026 | (or (nth 3 pps) (nth 4 pps) (nth 5 pps)))))))) |
1027 | (progn |
1028 | (if cperl-auto-newline |
1029 | (setq insertpos (point))) |
1030 | (insert last-command-char) |
1031 | (cperl-indent-line) |
1032 | (if cperl-auto-newline |
1033 | (progn |
1034 | (newline) |
1035 | (cperl-indent-line))) |
1036 | (save-excursion |
1037 | (if insertpos (progn (goto-char insertpos) |
1038 | (search-forward (make-string |
1039 | 1 last-command-char)) |
1040 | (setq insertpos (1- (point))))) |
1041 | (delete-char -1)))) |
1042 | (if insertpos |
1043 | (save-excursion |
1044 | (goto-char insertpos) |
1045 | (self-insert-command (prefix-numeric-value arg))) |
1046 | (self-insert-command (prefix-numeric-value arg))))) |
1047 | |
1048 | (defun cperl-inside-parens-p () |
1049 | (condition-case () |
1050 | (save-excursion |
1051 | (save-restriction |
1052 | (narrow-to-region (point) |
1053 | (progn (beginning-of-defun) (point))) |
1054 | (goto-char (point-max)) |
1055 | (= (char-after (or (scan-lists (point) -1 1) (point-min))) ?\())) |
1056 | (error nil))) |
1057 | \f |
1058 | (defun cperl-indent-command (&optional whole-exp) |
1059 | (interactive "P") |
1060 | "Indent current line as Perl code, or in some cases insert a tab character. |
1061 | If `cperl-tab-always-indent' is non-nil (the default), always indent current line. |
1062 | Otherwise, indent the current line only if point is at the left margin |
1063 | or in the line's indentation; otherwise insert a tab. |
1064 | |
1065 | A numeric argument, regardless of its value, |
1066 | means indent rigidly all the lines of the expression starting after point |
1067 | so that this line becomes properly indented. |
1068 | The relative indentation among the lines of the expression are preserved." |
1069 | (if whole-exp |
1070 | ;; If arg, always indent this line as Perl |
1071 | ;; and shift remaining lines of expression the same amount. |
1072 | (let ((shift-amt (cperl-indent-line)) |
1073 | beg end) |
1074 | (save-excursion |
1075 | (if cperl-tab-always-indent |
1076 | (beginning-of-line)) |
1077 | (setq beg (point)) |
1078 | (forward-sexp 1) |
1079 | (setq end (point)) |
1080 | (goto-char beg) |
1081 | (forward-line 1) |
1082 | (setq beg (point))) |
1083 | (if (> end beg) |
1084 | (indent-code-rigidly beg end shift-amt "#"))) |
1085 | (if (and (not cperl-tab-always-indent) |
1086 | (save-excursion |
1087 | (skip-chars-backward " \t") |
1088 | (not (bolp)))) |
1089 | (insert-tab) |
1090 | (cperl-indent-line)))) |
1091 | |
1092 | (defun cperl-indent-line (&optional symbol) |
1093 | "Indent current line as Perl code. |
1094 | Return the amount the indentation changed by." |
1095 | (let (indent |
1096 | beg shift-amt |
1097 | (case-fold-search nil) |
1098 | (pos (- (point-max) (point)))) |
1099 | (setq indent (cperl-calculate-indent nil symbol)) |
1100 | (beginning-of-line) |
1101 | (setq beg (point)) |
1102 | (cond ((eq indent nil) |
1103 | (setq indent (current-indentation))) |
1104 | ;;((eq indent t) ; Never? |
1105 | ;; (setq indent (cperl-calculate-indent-within-comment))) |
1106 | ;;((looking-at "[ \t]*#") |
1107 | ;; (setq indent 0)) |
1108 | (t |
1109 | (skip-chars-forward " \t") |
1110 | (if (listp indent) (setq indent (car indent))) |
1111 | (cond ((looking-at "[A-Za-z]+:[^:]") |
1112 | (and (> indent 0) |
1113 | (setq indent (max cperl-min-label-indent |
1114 | (+ indent cperl-label-offset))))) |
1115 | ;;((and (looking-at "els\\(e\\|if\\)\\b") |
1116 | ;; (not (looking-at "else\\s_"))) |
1117 | ;; (setq indent (save-excursion |
1118 | ;; (cperl-backward-to-start-of-if) |
1119 | ;; (current-indentation)))) |
1120 | ((= (following-char) ?}) |
1121 | (setq indent (- indent cperl-indent-level))) |
1122 | ((memq (following-char) '(?\) ?\])) ; To line up with opening paren. |
1123 | (setq indent (+ indent cperl-close-paren-offset))) |
1124 | ((= (following-char) ?{) |
1125 | (setq indent (+ indent cperl-brace-offset)))))) |
1126 | (skip-chars-forward " \t") |
1127 | (setq shift-amt (- indent (current-column))) |
1128 | (if (zerop shift-amt) |
1129 | (if (> (- (point-max) pos) (point)) |
1130 | (goto-char (- (point-max) pos))) |
1131 | (delete-region beg (point)) |
1132 | (indent-to indent) |
1133 | ;; If initial point was within line's indentation, |
1134 | ;; position after the indentation. Else stay at same point in text. |
1135 | (if (> (- (point-max) pos) (point)) |
1136 | (goto-char (- (point-max) pos)))) |
1137 | shift-amt)) |
1138 | |
1139 | (defsubst cperl-after-label () |
1140 | ;; Returns true if the point is after label. Does not do save-excursion. |
1141 | (and (eq (preceding-char) ?:) |
1142 | (memq (char-syntax (char-after (- (point) 2))) |
1143 | '(?w ?_)) |
1144 | (progn |
1145 | (backward-sexp) |
1146 | (looking-at "[a-zA-Z_][a-zA-Z0-9_]*:")))) |
1147 | |
1148 | (defun cperl-calculate-indent (&optional parse-start symbol) |
1149 | "Return appropriate indentation for current line as Perl code. |
1150 | In usual case returns an integer: the column to indent to. |
1151 | Returns nil if line starts inside a string, t if in a comment." |
1152 | (save-excursion |
1153 | (beginning-of-line) |
1154 | (let ((indent-point (point)) |
1155 | (case-fold-search nil) |
1156 | (char-after (save-excursion |
1157 | (skip-chars-forward " \t") |
1158 | (following-char))) |
1159 | state start-indent start start-state moved |
1160 | containing-sexp old-containing-sexp old-indent) |
1161 | (or parse-start (null symbol) |
1162 | (setq parse-start (symbol-value symbol) |
1163 | start-state (cadr parse-start) |
1164 | start-indent (nth 2 parse-start) |
1165 | parse-start (car parse-start) |
1166 | old-containing-sexp (nth 1 start-state))) |
1167 | (if parse-start |
1168 | (goto-char parse-start) |
1169 | (beginning-of-defun)) |
1170 | (if start-state nil |
1171 | ;; Try to go out |
1172 | (while (< (point) indent-point) |
1173 | (setq start (point) parse-start start moved nil |
1174 | state (parse-partial-sexp start indent-point -1)) |
1175 | (if (> (car state) -1) nil |
1176 | ;; The current line could start like }}}, so the indentation |
1177 | ;; corresponds to a different level than what we reached |
1178 | (setq moved t) |
1179 | (beginning-of-line 2))) ; Go to the next line. |
1180 | (if start ; Not at the start of file |
1181 | (progn |
1182 | (goto-char start) |
1183 | (setq start-indent (current-indentation)) |
1184 | (if moved ; Should correct... |
1185 | (setq start-indent (- start-indent cperl-indent-level)))) |
1186 | (setq start-indent 0))) |
1187 | (if (< (point) indent-point) (setq parse-start (point))) |
1188 | (or state (setq state (parse-partial-sexp |
1189 | (point) indent-point -1 nil start-state))) |
1190 | (setq containing-sexp |
1191 | (or (car (cdr state)) |
1192 | (and (>= (nth 6 state) 0) old-containing-sexp)) |
1193 | old-containing-sexp nil start-state nil) |
1194 | ;; (while (< (point) indent-point) |
1195 | ;; (setq parse-start (point)) |
1196 | ;; (setq state (parse-partial-sexp (point) indent-point -1 nil start-state)) |
1197 | ;; (setq containing-sexp |
1198 | ;; (or (car (cdr state)) |
1199 | ;; (and (>= (nth 6 state) 0) old-containing-sexp)) |
1200 | ;; old-containing-sexp nil start-state nil)) |
1201 | (if symbol (set symbol (list indent-point state start-indent))) |
1202 | (goto-char indent-point) |
1203 | (cond ((or (nth 3 state) (nth 4 state)) |
1204 | ;; return nil or t if should not change this line |
1205 | (nth 4 state)) |
1206 | ((null containing-sexp) |
1207 | ;; Line is at top level. May be data or function definition, |
1208 | ;; or may be function argument declaration. |
1209 | ;; Indent like the previous top level line |
1210 | ;; unless that ends in a closeparen without semicolon, |
1211 | ;; in which case this line is the first argument decl. |
1212 | (skip-chars-forward " \t") |
1213 | (+ start-indent |
1214 | (if (= (following-char) ?{) cperl-continued-brace-offset 0) |
1215 | (progn |
1216 | (cperl-backward-to-noncomment (or parse-start (point-min))) |
1217 | (skip-chars-backward " \t\f\n") |
1218 | ;; Look at previous line that's at column 0 |
1219 | ;; to determine whether we are in top-level decls |
1220 | ;; or function's arg decls. Set basic-indent accordingly. |
1221 | ;; Now add a little if this is a continuation line. |
1222 | (if (or (bobp) |
1223 | (memq (preceding-char) (append ");}" nil)) |
1224 | (memq char-after (append ")]}" nil))) |
1225 | 0 |
1226 | cperl-continued-statement-offset)))) |
1227 | ((/= (char-after containing-sexp) ?{) |
1228 | ;; line is expression, not statement: |
1229 | ;; indent to just after the surrounding open. |
1230 | (goto-char (1+ containing-sexp)) |
1231 | (current-column)) |
1232 | ((progn |
1233 | ;; Containing-expr starts with \{. Check whether it is a hash. |
1234 | (goto-char containing-sexp) |
1235 | (cperl-backward-to-noncomment (or parse-start (point-min))) |
1236 | (skip-chars-backward " \t\n\f") |
1237 | (not |
1238 | (or (memq (preceding-char) (append ";)}$@&%" nil)) ; Or label! |
1239 | ; Label may be mixed up with `$blah :' |
1240 | (save-excursion (cperl-after-label)) |
1241 | (and (eq (char-syntax (preceding-char)) ?w) |
1242 | (progn |
1243 | (backward-sexp) |
1244 | (or (looking-at "\\sw+[ \t\n\f]*{") ; Method call syntax |
1245 | (progn |
1246 | (skip-chars-backward " \t\n\f") |
1247 | (and (eq (char-syntax (preceding-char)) ?w) |
1248 | (progn |
1249 | (backward-sexp) |
1250 | (looking-at |
1251 | "sub[ \t]+\\sw+[ \t\n\f]*{")))))))))) |
1252 | (goto-char containing-sexp) |
1253 | (+ (current-column) 1 ; Correct indentation of trailing ?\} |
1254 | (if (eq char-after ?\}) (+ cperl-indent-level |
1255 | cperl-close-paren-offset) |
1256 | 0))) |
1257 | (t |
1258 | ;; Statement level. Is it a continuation or a new statement? |
1259 | ;; Find previous non-comment character. |
1260 | (goto-char indent-point) |
1261 | (cperl-backward-to-noncomment containing-sexp) |
1262 | ;; Back up over label lines, since they don't |
1263 | ;; affect whether our line is a continuation. |
1264 | (while (or (eq (preceding-char) ?\,) |
1265 | (and (eq (preceding-char) ?:) |
1266 | (or ;;(eq (char-after (- (point) 2)) ?\') ; ???? |
1267 | (memq (char-syntax (char-after (- (point) 2))) |
1268 | '(?w ?_))))) |
1269 | (if (eq (preceding-char) ?\,) |
1270 | (cperl-backward-to-start-of-continued-exp containing-sexp)) |
1271 | (beginning-of-line) |
1272 | (cperl-backward-to-noncomment containing-sexp)) |
1273 | ;; Now we get the answer. |
1274 | (if (not (memq (preceding-char) (append ",;}{" '(nil)))) ; Was ?\, |
1275 | ;; This line is continuation of preceding line's statement; |
1276 | ;; indent `cperl-continued-statement-offset' more than the |
1277 | ;; previous line of the statement. |
1278 | (progn |
1279 | (cperl-backward-to-start-of-continued-exp containing-sexp) |
1280 | (+ (if (memq char-after (append "}])" nil)) |
1281 | 0 ; Closing parenth |
1282 | cperl-continued-statement-offset) |
1283 | (current-column) |
1284 | (if (eq char-after ?\{) |
1285 | cperl-continued-brace-offset 0))) |
1286 | ;; This line starts a new statement. |
1287 | ;; Position following last unclosed open. |
1288 | (goto-char containing-sexp) |
1289 | ;; Is line first statement after an open-brace? |
1290 | (or |
1291 | ;; If no, find that first statement and indent like |
1292 | ;; it. If the first statement begins with label, do |
1293 | ;; not belive when the indentation of the label is too |
1294 | ;; small. |
1295 | (save-excursion |
1296 | (forward-char 1) |
1297 | (setq old-indent (current-indentation)) |
1298 | (let ((colon-line-end 0)) |
1299 | (while (progn (skip-chars-forward " \t\n") |
1300 | (looking-at "#\\|[a-zA-Z0-9_$]*:[^:]")) |
1301 | ;; Skip over comments and labels following openbrace. |
1302 | (cond ((= (following-char) ?\#) |
1303 | (forward-line 1)) |
1304 | ;; label: |
1305 | (t |
1306 | (save-excursion (end-of-line) |
1307 | (setq colon-line-end (point))) |
1308 | (search-forward ":")))) |
1309 | ;; The first following code counts |
1310 | ;; if it is before the line we want to indent. |
1311 | (and (< (point) indent-point) |
1312 | (if (> colon-line-end (point)) ; After label |
1313 | (if (> (current-indentation) |
1314 | cperl-min-label-indent) |
1315 | (- (current-indentation) cperl-label-offset) |
1316 | ;; Do not belive: `max' is involved |
1317 | (+ old-indent cperl-indent-level)) |
1318 | (current-column))))) |
1319 | ;; If no previous statement, |
1320 | ;; indent it relative to line brace is on. |
1321 | ;; For open brace in column zero, don't let statement |
1322 | ;; start there too. If cperl-indent-level is zero, |
1323 | ;; use cperl-brace-offset + cperl-continued-statement-offset instead. |
1324 | ;; For open-braces not the first thing in a line, |
1325 | ;; add in cperl-brace-imaginary-offset. |
1326 | |
1327 | ;; If first thing on a line: ????? |
1328 | (+ (if (and (bolp) (zerop cperl-indent-level)) |
1329 | (+ cperl-brace-offset cperl-continued-statement-offset) |
1330 | cperl-indent-level) |
1331 | ;; Move back over whitespace before the openbrace. |
1332 | ;; If openbrace is not first nonwhite thing on the line, |
1333 | ;; add the cperl-brace-imaginary-offset. |
1334 | (progn (skip-chars-backward " \t") |
1335 | (if (bolp) 0 cperl-brace-imaginary-offset)) |
1336 | ;; If the openbrace is preceded by a parenthesized exp, |
1337 | ;; move to the beginning of that; |
1338 | ;; possibly a different line |
1339 | (progn |
1340 | (if (eq (preceding-char) ?\)) |
1341 | (forward-sexp -1)) |
1342 | ;; Get initial indentation of the line we are on. |
1343 | ;; If line starts with label, calculate label indentation |
1344 | (if (save-excursion |
1345 | (beginning-of-line) |
1346 | (looking-at "[ \t]*[a-zA-Z_][a-zA-Z_]*:[^:]")) |
1347 | (if (> (current-indentation) cperl-min-label-indent) |
1348 | (- (current-indentation) cperl-label-offset) |
1349 | (cperl-calculate-indent |
1350 | (if (<= parse-start (point)) parse-start))) |
1351 | (current-indentation))))))))))) |
1352 | |
1353 | (defvar cperl-indent-alist |
1354 | '((string nil) |
1355 | (comment nil) |
1356 | (toplevel 0) |
1357 | (toplevel-after-parenth 2) |
1358 | (toplevel-continued 2) |
1359 | (expression 1)) |
1360 | "Alist of indentation rules for CPerl mode. |
1361 | The values mean: |
1362 | nil: do not indent; |
1363 | number: add this amount of indentation.") |
1364 | |
1365 | (defun cperl-where-am-i (&optional parse-start start-state) |
1366 | ;; Unfinished |
1367 | "Return a list (TYPE POS) of the start of enclosing construction. |
1368 | POS may be nil if it is hard to find, say, when TYPE is `string' or `comment'." |
1369 | (save-excursion |
1370 | (let ((start-point (point)) |
1371 | (case-fold-search nil) |
1372 | state start-indent start moved |
1373 | containing-sexp old-containing-sexp old-indent) |
1374 | (if parse-start |
1375 | (goto-char parse-start) |
1376 | (beginning-of-defun)) |
1377 | (if start-state nil |
1378 | ;; Try to go out, if sub is not on the outermost level |
1379 | (while (< (point) start-point) |
1380 | (setq start (point) parse-start start moved nil |
1381 | state (parse-partial-sexp start start-point -1)) |
1382 | (if (> (car state) -1) nil |
1383 | ;; The current line could start like }}}, so the indentation |
1384 | ;; corresponds to a different level than what we reached |
1385 | (setq moved t) |
1386 | (beginning-of-line 2))) ; Go to the next line. |
1387 | (if start (goto-char start))) ; Not at the start of file |
1388 | (skip-chars-forward " \t") |
1389 | (setq start (point)) |
1390 | (if (< (point) start-point) (setq parse-start (point))) |
1391 | (or state (setq state (parse-partial-sexp |
1392 | (point) start-point -1 nil start-state))) |
1393 | (setq containing-sexp |
1394 | (or (car (cdr state)) |
1395 | (and (>= (nth 6 state) 0) old-containing-sexp)) |
1396 | old-containing-sexp nil start-state nil) |
1397 | ;; (while (< (point) start-point) |
1398 | ;; (setq parse-start (point)) |
1399 | ;; (setq state (parse-partial-sexp (point) start-point -1 nil start-state)) |
1400 | ;; (setq containing-sexp |
1401 | ;; (or (car (cdr state)) |
1402 | ;; (and (>= (nth 6 state) 0) old-containing-sexp)) |
1403 | ;; old-containing-sexp nil start-state nil)) |
1404 | (goto-char start-point) |
1405 | (cond ((nth 3 state) ; In string |
1406 | (list 'string nil (nth 3 state))) ; What started string |
1407 | ((nth 4 state) ; In comment |
1408 | '(comment)) |
1409 | ((null containing-sexp) |
1410 | ;; Line is at top level. |
1411 | ;; Indent like the previous top level line |
1412 | ;; unless that ends in a closeparen without semicolon, |
1413 | ;; in which case this line is the first argument decl. |
1414 | (cperl-backward-to-noncomment (or parse-start (point-min))) |
1415 | (skip-chars-backward " \t\f\n") ; Why??? |
1416 | (cond |
1417 | ((or (bobp) |
1418 | (memq (preceding-char) (append ";}" nil))) |
1419 | (list 'toplevel start)) |
1420 | ((eq (preceding-char) ?\) ) |
1421 | (list 'toplevel-after-parenth start)) |
1422 | (t (list 'toplevel-continued start)))) |
1423 | ((/= (char-after containing-sexp) ?{) |
1424 | ;; line is expression, not statement: |
1425 | ;; indent to just after the surrounding open. |
1426 | (list 'expression containing-sexp)) |
1427 | ((progn |
1428 | ;; Containing-expr starts with \{. Check whether it is a hash. |
1429 | (goto-char containing-sexp) |
1430 | (cperl-backward-to-noncomment (or parse-start (point-min))) |
1431 | (skip-chars-backward " \t\n\f") |
1432 | (not |
1433 | (or (memq (preceding-char) (append ";)}$@&%" nil)) ; Or label! |
1434 | ; Label may be mixed up with `$blah :' |
1435 | (save-excursion (cperl-after-label)) |
1436 | (and (eq (char-syntax (preceding-char)) ?w) |
1437 | (progn |
1438 | (backward-sexp) |
1439 | (looking-at "\\sw+[ \t\n\f]*{")))))) ; Method call syntax |
1440 | (list 'expression containing-sexp)) |
1441 | (t |
1442 | ;; Statement level. Is it a continuation or a new statement? |
1443 | ;; Find previous non-comment character. |
1444 | (cperl-backward-to-noncomment containing-sexp) |
1445 | ;; Back up over label lines, since they don't |
1446 | ;; affect whether our line is a continuation. |
1447 | (while (or (eq (preceding-char) ?\,) |
1448 | (cperl-after-label)) |
1449 | (if (eq (preceding-char) ?\,) |
1450 | (cperl-backward-to-start-of-continued-exp containing-sexp)) |
1451 | (beginning-of-line) |
1452 | (cperl-backward-to-noncomment containing-sexp)) |
1453 | ;; Now we get the answer. |
1454 | (if (not (memq (preceding-char) (append ";}{" '(nil)))) ; Was ?\, |
1455 | ;; This line is continuation of preceding line's statement. |
1456 | '(statement-continued containing-sexp) |
1457 | ;; This line starts a new statement. |
1458 | ;; Position following last unclosed open. |
1459 | (goto-char containing-sexp) |
1460 | ;; Is line first statement after an open-brace? |
1461 | (or |
1462 | ;; If no, find that first statement and indent like |
1463 | ;; it. If the first statement begins with label, do |
1464 | ;; not belive when the indentation of the label is too |
1465 | ;; small. |
1466 | (save-excursion |
1467 | (forward-char 1) |
1468 | (setq old-indent (current-indentation)) |
1469 | (let ((colon-line-end 0)) |
1470 | (while (progn (skip-chars-forward " \t\n") |
1471 | (looking-at "#\\|[a-zA-Z0-9_$]*:[^:]")) |
1472 | ;; Skip over comments and labels following openbrace. |
1473 | (cond ((= (following-char) ?\#) |
1474 | (forward-line 1)) |
1475 | ;; label: |
1476 | (t |
1477 | (save-excursion (end-of-line) |
1478 | (setq colon-line-end (point))) |
1479 | (search-forward ":")))) |
1480 | ;; The first following code counts |
1481 | ;; if it is before the line we want to indent. |
1482 | (and (< (point) start-point) |
1483 | (if (> colon-line-end (point)) ; After label |
1484 | (if (> (current-indentation) |
1485 | cperl-min-label-indent) |
1486 | (- (current-indentation) cperl-label-offset) |
1487 | ;; Do not belive: `max' is involved |
1488 | (+ old-indent cperl-indent-level)) |
1489 | (current-column))))) |
1490 | ;; If no previous statement, |
1491 | ;; indent it relative to line brace is on. |
1492 | ;; For open brace in column zero, don't let statement |
1493 | ;; start there too. If cperl-indent-level is zero, |
1494 | ;; use cperl-brace-offset + cperl-continued-statement-offset instead. |
1495 | ;; For open-braces not the first thing in a line, |
1496 | ;; add in cperl-brace-imaginary-offset. |
1497 | |
1498 | ;; If first thing on a line: ????? |
1499 | (+ (if (and (bolp) (zerop cperl-indent-level)) |
1500 | (+ cperl-brace-offset cperl-continued-statement-offset) |
1501 | cperl-indent-level) |
1502 | ;; Move back over whitespace before the openbrace. |
1503 | ;; If openbrace is not first nonwhite thing on the line, |
1504 | ;; add the cperl-brace-imaginary-offset. |
1505 | (progn (skip-chars-backward " \t") |
1506 | (if (bolp) 0 cperl-brace-imaginary-offset)) |
1507 | ;; If the openbrace is preceded by a parenthesized exp, |
1508 | ;; move to the beginning of that; |
1509 | ;; possibly a different line |
1510 | (progn |
1511 | (if (eq (preceding-char) ?\)) |
1512 | (forward-sexp -1)) |
1513 | ;; Get initial indentation of the line we are on. |
1514 | ;; If line starts with label, calculate label indentation |
1515 | (if (save-excursion |
1516 | (beginning-of-line) |
1517 | (looking-at "[ \t]*[a-zA-Z_][a-zA-Z_]*:[^:]")) |
1518 | (if (> (current-indentation) cperl-min-label-indent) |
1519 | (- (current-indentation) cperl-label-offset) |
1520 | (cperl-calculate-indent |
1521 | (if (<= parse-start (point)) parse-start))) |
1522 | (current-indentation))))))))))) |
1523 | |
1524 | (defun cperl-calculate-indent-within-comment () |
1525 | "Return the indentation amount for line, assuming that |
1526 | the current line is to be regarded as part of a block comment." |
1527 | (let (end star-start) |
1528 | (save-excursion |
1529 | (beginning-of-line) |
1530 | (skip-chars-forward " \t") |
1531 | (setq end (point)) |
1532 | (and (= (following-char) ?#) |
1533 | (forward-line -1) |
1534 | (cperl-to-comment-or-eol) |
1535 | (setq end (point))) |
1536 | (goto-char end) |
1537 | (current-column)))) |
1538 | |
1539 | |
1540 | (defun cperl-to-comment-or-eol () |
1541 | "Goes to position before comment on the current line, or to end of line. |
1542 | Returns true if comment is found." |
1543 | (let (state stop-in cpoint (lim (progn (end-of-line) (point)))) |
1544 | (beginning-of-line) |
1545 | (if (re-search-forward "\\=[ \t]*\\(#\\|$\\)" lim t) |
1546 | (if (eq (preceding-char) ?\#) (progn (backward-char 1) t)) |
1547 | ;; Else |
1548 | (while (not stop-in) |
1549 | (setq state (parse-partial-sexp (point) lim nil nil nil t)) |
1550 | ; stop at comment |
1551 | ;; If fails (beginning-of-line inside sexp), then contains not-comment |
1552 | ;; Do simplified processing |
1553 | ;;(if (re-search-forward "[^$]#" lim 1) |
1554 | ;; (progn |
1555 | ;; (forward-char -1) |
1556 | ;; (skip-chars-backward " \t\n\f" lim)) |
1557 | ;; (goto-char lim)) ; No `#' at all |
1558 | ;;) |
1559 | (if (nth 4 state) ; After `#'; |
1560 | ; (nth 2 state) can be |
1561 | ; beginning of m,s,qq and so |
1562 | ; on |
1563 | (if (nth 2 state) |
1564 | (progn |
1565 | (setq cpoint (point)) |
1566 | (goto-char (nth 2 state)) |
1567 | (cond |
1568 | ((looking-at "\\(s\\|tr\\)\\>") |
1569 | (or (re-search-forward |
1570 | "\\=\\w+[ \t]*#\\([^\n\\\\#]\\|\\\\[\\\\#]\\)*#\\([^\n\\\\#]\\|\\\\[\\\\#]\\)*" |
1571 | lim 'move) |
1572 | (setq stop-in t))) |
1573 | ((looking-at "\\(m\\|q\\([qxw]\\)?\\)\\>") |
1574 | (or (re-search-forward |
1575 | "\\=\\w+[ \t]*#\\([^\n\\\\#]\\|\\\\[\\\\#]\\)*#" |
1576 | lim 'move) |
1577 | (setq stop-in t))) |
1578 | (t ; It was fair comment |
1579 | (setq stop-in t) ; Finish |
1580 | (goto-char (1- cpoint))))) |
1581 | (setq stop-in t) ; Finish |
1582 | (forward-char -1)) |
1583 | (setq stop-in t)) ; Finish |
1584 | ) |
1585 | (nth 4 state)))) |
1586 | |
1587 | (defun cperl-backward-to-noncomment (lim) |
1588 | (let (stop p) |
1589 | (while (and (not stop) (> (point) (or lim 1))) |
1590 | (skip-chars-backward " \t\n\f" lim) |
1591 | (setq p (point)) |
1592 | (beginning-of-line) |
1593 | (if (looking-at "^[ \t]*\\(#\\|$\\)") nil ; Only comment, skip |
1594 | ;; Else |
1595 | (cperl-to-comment-or-eol) |
1596 | (skip-chars-backward " \t") |
1597 | (if (< p (point)) (goto-char p)) |
1598 | (setq stop t))))) |
1599 | |
1600 | (defun cperl-after-expr (&optional lim chars test) |
1601 | "Returns true if the position is good for start of expression. |
1602 | TEST is the expression to evaluate at the found position. If absent, |
1603 | CHARS is a string that contains good characters to have before us." |
1604 | (let (stop p) |
1605 | (save-excursion |
1606 | (while (and (not stop) (> (point) (or lim 1))) |
1607 | (skip-chars-backward " \t\n\f" lim) |
1608 | (setq p (point)) |
1609 | (beginning-of-line) |
1610 | (if (looking-at "^[ \t]*\\(#\\|$\\)") nil ; Only comment, skip |
1611 | ;; Else: last iteration (What to do with labels?) |
1612 | (cperl-to-comment-or-eol) |
1613 | (skip-chars-backward " \t") |
1614 | (if (< p (point)) (goto-char p)) |
1615 | (setq stop t))) |
1616 | (or (bobp) |
1617 | (progn |
1618 | (backward-char 1) |
1619 | (if test (eval test) |
1620 | (memq (following-char) (append (or chars "{};") nil)))))))) |
1621 | |
1622 | (defun cperl-backward-to-start-of-continued-exp (lim) |
1623 | (if (memq (preceding-char) (append ")]}" nil)) |
1624 | (forward-sexp -1)) |
1625 | (beginning-of-line) |
1626 | (if (<= (point) lim) |
1627 | (goto-char (1+ lim))) |
1628 | (skip-chars-forward " \t")) |
1629 | |
1630 | (defun cperl-backward-to-start-of-if (&optional limit) |
1631 | "Move to the start of the last ``unbalanced'' if." |
1632 | (or limit (setq limit (save-excursion (beginning-of-defun) (point)))) |
1633 | (let ((if-level 1) |
1634 | (case-fold-search nil)) |
1635 | (while (not (zerop if-level)) |
1636 | (backward-sexp 1) |
1637 | (cond ((looking-at "else\\b") |
1638 | (setq if-level (1+ if-level))) |
1639 | ((looking-at "if\\b") |
1640 | (setq if-level (1- if-level))) |
1641 | ((<= (point) limit) |
1642 | (setq if-level 0) |
1643 | (goto-char limit)))))) |
1644 | |
1645 | |
1646 | \f |
1647 | (defvar innerloop-done nil) |
1648 | (defvar last-depth nil) |
1649 | |
1650 | (defun cperl-indent-exp () |
1651 | "Simple variant of indentation of continued-sexp. |
1652 | Should be slow. Will not indent comment if it starts at `comment-indent' |
1653 | or looks like continuation of the comment on the previous line." |
1654 | (interactive) |
1655 | (save-excursion |
1656 | (let ((tmp-end (progn (end-of-line) (point))) top done) |
1657 | (save-excursion |
1658 | (while (null done) |
1659 | (beginning-of-line) |
1660 | (setq top (point)) |
1661 | (while (= (nth 0 (parse-partial-sexp (point) tmp-end |
1662 | -1)) -1) |
1663 | (setq top (point))) ; Get the outermost parenths in line |
1664 | (goto-char top) |
1665 | (while (< (point) tmp-end) |
1666 | (parse-partial-sexp (point) tmp-end nil t) ; To start-sexp or eol |
1667 | (or (eolp) (forward-sexp 1))) |
1668 | (if (> (point) tmp-end) (progn (end-of-line) (setq tmp-end (point))) |
1669 | (setq done t))) |
1670 | (goto-char tmp-end) |
1671 | (setq tmp-end (point-marker))) |
1672 | (cperl-indent-region (point) tmp-end)))) |
1673 | |
1674 | (defun cperl-indent-region (start end) |
1675 | "Simple variant of indentation of region in CPerl mode. |
1676 | Should be slow. Will not indent comment if it starts at `comment-indent' |
1677 | or looks like continuation of the comment on the previous line. |
1678 | Indents all the lines whose first character is between START and END |
1679 | inclusive." |
1680 | (interactive "r") |
1681 | (save-excursion |
1682 | (let (st comm indent-info old-comm-indent new-comm-indent |
1683 | (pm 0) (imenu-scanning-message "Indenting... (%3d%%)")) |
1684 | (goto-char start) |
1685 | (setq old-comm-indent (and (cperl-to-comment-or-eol) |
1686 | (current-column)) |
1687 | new-comm-indent old-comm-indent) |
1688 | (goto-char start) |
1689 | (or (bolp) (beginning-of-line 2)) |
1690 | (or (fboundp 'imenu-progress-message) |
1691 | (message "Indenting... For feedback load `imenu'...")) |
1692 | (while (and (<= (point) end) (not (eobp))) ; bol to check start |
1693 | (and (fboundp 'imenu-progress-message) |
1694 | (imenu-progress-message |
1695 | pm (/ (* 100 (- (point) start)) (- end start -1)))) |
1696 | (setq st (point) |
1697 | indent-info nil |
1698 | ) ; Believe indentation of the current |
1699 | (if (and (setq comm (looking-at "[ \t]*#")) |
1700 | (or (eq (current-indentation) (or old-comm-indent |
1701 | comment-column)) |
1702 | (setq old-comm-indent nil))) |
1703 | (if (and old-comm-indent |
1704 | (= (current-indentation) old-comm-indent)) |
1705 | (let ((comment-column new-comm-indent)) |
1706 | (indent-for-comment))) |
1707 | (progn |
1708 | (cperl-indent-line 'indent-info) |
1709 | (or comm |
1710 | (progn |
1711 | (if (setq old-comm-indent (and (cperl-to-comment-or-eol) |
1712 | (current-column))) |
1713 | (progn (indent-for-comment) |
1714 | (skip-chars-backward " \t") |
1715 | (skip-chars-backward "#") |
1716 | (setq new-comm-indent (current-column)))))))) |
1717 | (beginning-of-line 2)) |
1718 | (if (fboundp 'imenu-progress-message) |
1719 | (imenu-progress-message pm 100) |
1720 | (message nil))))) |
1721 | |
1722 | (defun cperl-slash-is-regexp (&optional pos) |
1723 | (save-excursion |
1724 | (goto-char (if pos pos (1- (point)))) |
1725 | (and |
1726 | (not (memq (get-text-property (point) 'face) |
1727 | '(font-lock-string-face font-lock-comment-face))) |
1728 | (cperl-after-expr nil nil ' |
1729 | (or (looking-at "[^]a-zA-Z0-9_)}]") |
1730 | (eq (get-text-property (point) 'face) |
1731 | 'font-lock-keyword-face)))))) |
1732 | |
1733 | ;; Stolen from lisp-mode with a lot of improvements |
1734 | |
1735 | (defun cperl-fill-paragraph (&optional justify iteration) |
1736 | "Like \\[fill-paragraph], but handle CPerl comments. |
1737 | If any of the current line is a comment, fill the comment or the |
1738 | block of it that point is in, preserving the comment's initial |
1739 | indentation and initial hashes. Behaves usually outside of comment." |
1740 | (interactive "P") |
1741 | (let ( |
1742 | ;; Non-nil if the current line contains a comment. |
1743 | has-comment |
1744 | |
1745 | ;; If has-comment, the appropriate fill-prefix for the comment. |
1746 | comment-fill-prefix |
1747 | ;; Line that contains code and comment (or nil) |
1748 | start |
1749 | c spaces len dc (comment-column comment-column)) |
1750 | ;; Figure out what kind of comment we are looking at. |
1751 | (save-excursion |
1752 | (beginning-of-line) |
1753 | (cond |
1754 | |
1755 | ;; A line with nothing but a comment on it? |
1756 | ((looking-at "[ \t]*#[# \t]*") |
1757 | (setq has-comment t |
1758 | comment-fill-prefix (buffer-substring (match-beginning 0) |
1759 | (match-end 0)))) |
1760 | |
1761 | ;; A line with some code, followed by a comment? Remember that the |
1762 | ;; semi which starts the comment shouldn't be part of a string or |
1763 | ;; character. |
1764 | ((cperl-to-comment-or-eol) |
1765 | (setq has-comment t) |
1766 | (looking-at "#+[ \t]*") |
1767 | (setq start (point) c (current-column) |
1768 | comment-fill-prefix |
1769 | (concat (make-string (current-column) ?\ ) |
1770 | (buffer-substring (match-beginning 0) (match-end 0))) |
1771 | spaces (progn (skip-chars-backward " \t") |
1772 | (buffer-substring (point) start)) |
1773 | dc (- c (current-column)) len (- start (point)) |
1774 | start (point-marker)) |
1775 | (delete-char len) |
1776 | (insert (make-string dc ?-))))) |
1777 | (if (not has-comment) |
1778 | (fill-paragraph justify) ; Do the usual thing outside of comment |
1779 | ;; Narrow to include only the comment, and then fill the region. |
1780 | (save-restriction |
1781 | (narrow-to-region |
1782 | ;; Find the first line we should include in the region to fill. |
1783 | (if start (progn (beginning-of-line) (point)) |
1784 | (save-excursion |
1785 | (while (and (zerop (forward-line -1)) |
1786 | (looking-at "^[ \t]*#+[ \t]*[^ \t\n]"))) |
1787 | ;; We may have gone to far. Go forward again. |
1788 | (or (looking-at "^[ \t]*#+[ \t]*[^ \t\n]") |
1789 | (forward-line 1)) |
1790 | (point))) |
1791 | ;; Find the beginning of the first line past the region to fill. |
1792 | (save-excursion |
1793 | (while (progn (forward-line 1) |
1794 | (looking-at "^[ \t]*#+[ \t]*[^ \t\n]"))) |
1795 | (point))) |
1796 | ;; Remove existing hashes |
1797 | (goto-char (point-min)) |
1798 | (while (progn (forward-line 1) (< (point) (point-max))) |
1799 | (skip-chars-forward " \t") |
1800 | (and (looking-at "#+") |
1801 | (delete-char (- (match-end 0) (match-beginning 0))))) |
1802 | |
1803 | ;; Lines with only hashes on them can be paragraph boundaries. |
1804 | (let ((paragraph-start (concat paragraph-start "\\|^[ \t#]*$")) |
1805 | (paragraph-separate (concat paragraph-start "\\|^[ \t#]*$")) |
1806 | (fill-prefix comment-fill-prefix)) |
1807 | (fill-paragraph justify))) |
1808 | (if (and start) |
1809 | (progn |
1810 | (goto-char start) |
1811 | (if (> dc 0) |
1812 | (progn (delete-char dc) (insert spaces))) |
1813 | (if (or (= (current-column) c) iteration) nil |
1814 | (setq comment-column c) |
1815 | (indent-for-comment) |
1816 | ;; Repeat once more, flagging as iteration |
1817 | (cperl-fill-paragraph justify t))))))) |
1818 | |
1819 | (defun cperl-do-auto-fill () |
1820 | ;; Break out if the line is short enough |
1821 | (if (> (save-excursion |
1822 | (end-of-line) |
1823 | (current-column)) |
1824 | fill-column) |
1825 | (let ((c (save-excursion (beginning-of-line) |
1826 | (cperl-to-comment-or-eol) (point))) |
1827 | (s (memq (following-char) '(?\ ?\t))) marker) |
1828 | (if (>= c (point)) nil |
1829 | (setq marker (point-marker)) |
1830 | (cperl-fill-paragraph) |
1831 | (goto-char marker) |
1832 | ;; Is not enough, sometimes marker is a start of line |
1833 | (if (bolp) (progn (re-search-forward "#+[ \t]*") |
1834 | (goto-char (match-end 0)))) |
1835 | ;; Following space could have gone: |
1836 | (if (or (not s) (memq (following-char) '(?\ ?\t))) nil |
1837 | (insert " ") |
1838 | (backward-char 1)) |
1839 | ;; Previous space could have gone: |
1840 | (or (memq (preceding-char) '(?\ ?\t)) (insert " ")))))) |
1841 | |
1842 | (defvar imenu-example--function-name-regexp-perl |
1843 | "^[ \t]*\\(sub\\|package\\)[ \t\n]+\\([a-zA-Z_0-9:']+\\)[ \t]*") |
1844 | |
1845 | (defun imenu-example--create-perl-index (&optional regexp) |
1846 | (require 'cl) |
1847 | (let ((index-alist '()) (index-pack-alist '()) packages ends-ranges p |
1848 | (prev-pos 0) char fchar index name (end-range 0) package) |
1849 | (goto-char (point-min)) |
1850 | (imenu-progress-message prev-pos 0) |
1851 | ;; Search for the function |
1852 | (save-match-data |
1853 | (while (re-search-forward |
1854 | (or regexp imenu-example--function-name-regexp-perl) |
1855 | nil t) |
1856 | (imenu-progress-message prev-pos) |
1857 | ;;(backward-up-list 1) |
1858 | (save-excursion |
1859 | (goto-char (match-beginning 1)) |
1860 | (setq fchar (following-char)) |
1861 | ) |
1862 | (setq char (following-char)) |
1863 | (setq p (point)) |
1864 | (while (and ends-ranges (>= p (car ends-ranges))) |
1865 | ;; delete obsolete entries |
1866 | (setq ends-ranges (cdr ends-ranges) packages (cdr packages))) |
1867 | (setq package (or (car packages) "") |
1868 | end-range (or (car ends-ranges) 0)) |
1869 | (if (eq fchar ?p) |
1870 | (progn |
1871 | (setq name (buffer-substring (match-beginning 2) (match-end 2)) |
1872 | package (concat name "::") |
1873 | name (concat "package " name) |
1874 | end-range |
1875 | (save-excursion |
1876 | (parse-partial-sexp (point) (point-max) -1) (point)) |
1877 | ends-ranges (cons end-range ends-ranges) |
1878 | packages (cons package packages)))) |
1879 | ;; ) |
1880 | ;; Skip this function name if it is a prototype declaration. |
1881 | (if (and (eq fchar ?s) (eq char ?\;)) nil |
1882 | (if (eq fchar ?p) nil |
1883 | (setq name (buffer-substring (match-beginning 2) (match-end 2))) |
1884 | (if (or (> p end-range) (string-match "[:']" name)) nil |
1885 | (setq name (concat package name)))) |
1886 | (setq index (imenu-example--name-and-position)) |
1887 | (setcar index name) |
1888 | (if (eq fchar ?p) |
1889 | (push index index-pack-alist) |
1890 | (push index index-alist))))) |
1891 | (imenu-progress-message prev-pos 100) |
1892 | (and index-pack-alist |
1893 | (push (cons (imenu-create-submenu-name "Packages") index-pack-alist) |
1894 | index-alist)) |
1895 | (nreverse index-alist))) |
1896 | |
1897 | (defvar cperl-compilation-error-regexp-alist |
1898 | ;; This look like a paranoiac regexp: could anybody find a better one? (which WORK). |
1899 | '(("^[^\n]* \\(file\\|at\\) \\([^ \t\n]+\\) [^\n]*line \\([0-9]+\\)[\\., \n]" |
1900 | 2 3)) |
1901 | "Alist that specifies how to match errors in perl output.") |
1902 | |
1903 | (if (fboundp 'eval-after-load) |
1904 | (eval-after-load |
1905 | "mode-compile" |
1906 | '(setq perl-compilation-error-regexp-alist |
1907 | cperl-compilation-error-regexp-alist))) |
1908 | |
1909 | |
1910 | (defvar cperl-faces-init nil) |
1911 | |
1912 | (defun cperl-windowed-init () |
1913 | "Initialization under windowed version." |
1914 | (add-hook 'font-lock-mode-hook |
1915 | (function |
1916 | (lambda () |
1917 | (if (or |
1918 | (eq major-mode 'perl-mode) |
1919 | (eq major-mode 'cperl-mode)) |
1920 | (progn |
1921 | (or cperl-faces-init (cperl-init-faces)) |
1922 | (setq font-lock-keywords perl-font-lock-keywords |
1923 | cperl-faces-init t))))))) |
1924 | |
1925 | (defun cperl-init-faces () |
1926 | (condition-case nil |
1927 | (progn |
1928 | (require 'font-lock) |
1929 | (let (t-font-lock-keywords) |
1930 | ;;(defvar cperl-font-lock-enhanced nil |
1931 | ;; "Set to be non-nil if font-lock allows active highlights.") |
1932 | (setq |
1933 | t-font-lock-keywords |
1934 | (list |
1935 | (cons |
1936 | (concat |
1937 | "\\(^\\|[^$@%&\\]\\)\\<\\(" |
1938 | (mapconcat |
1939 | 'identity |
1940 | '("if" "until" "while" "elsif" "else" "unless" "for" |
1941 | "foreach" "continue" "exit" "die" "last" "goto" "next" |
1942 | "redo" "return" "local" "exec" "sub" "do" "dump" "use" |
1943 | "require" "package" "eval" "my" "BEGIN" "END") |
1944 | "\\|") ; Flow control |
1945 | "\\)\\>") 2) ; was "\\)[ \n\t;():,\|&]" |
1946 | ; In what follows we use `type' style |
1947 | ; for overwritable buildins |
1948 | (list |
1949 | (concat |
1950 | "\\(^\\|[^$@%&\\]\\)\\<\\(" |
1951 | ;; "CORE" "__FILE__" "__LINE__" "abs" "accept" "alarm" "and" "atan2" |
1952 | ;; "bind" "binmode" "bless" "caller" "chdir" "chmod" "chown" "chr" |
1953 | ;; "chroot" "close" "closedir" "cmp" "connect" "continue" "cos" |
1954 | ;; "crypt" "dbmclose" "dbmopen" "die" "dump" "endgrent" "endhostent" |
1955 | ;; "endnetent" "endprotoent" "endpwent" "endservent" "eof" "eq" "exec" |
1956 | ;; "exit" "exp" "fcntl" "fileno" "flock" "fork" "formline" "ge" "getc" |
1957 | ;; "getgrent" "getgrgid" "getgrnam" "gethostbyaddr" "gethostbyname" |
1958 | ;; "gethostent" "getlogin" "getnetbyaddr" "getnetbyname" "getnetent" |
1959 | ;; "getpeername" "getpgrp" "getppid" "getpriority" "getprotobyname" |
1960 | ;; "getprotobynumber" "getprotoent" "getpwent" "getpwnam" "getpwuid" |
1961 | ;; "getservbyname" "getservbyport" "getservent" "getsockname" |
1962 | ;; "getsockopt" "glob" "gmtime" "gt" "hex" "index" "int" "ioctl" |
1963 | ;; "join" "kill" "lc" "lcfirst" "le" "length" "link" "listen" |
1964 | ;; "localtime" "log" "lstat" "lt" "mkdir" "msgctl" "msgget" "msgrcv" |
1965 | ;; "msgsnd" "ne" "not" "oct" "open" "opendir" "or" "ord" "pack" "pipe" |
1966 | ;; "quotemeta" "rand" "read" "readdir" "readline" "readlink" |
1967 | ;; "readpipe" "recv" "ref" "rename" "require" "reset" "reverse" |
1968 | ;; "rewinddir" "rindex" "rmdir" "seek" "seekdir" "select" "semctl" |
1969 | ;; "semget" "semop" "send" "setgrent" "sethostent" "setnetent" |
1970 | ;; "setpgrp" "setpriority" "setprotoent" "setpwent" "setservent" |
1971 | ;; "setsockopt" "shmctl" "shmget" "shmread" "shmwrite" "shutdown" |
1972 | ;; "sin" "sleep" "socket" "socketpair" "sprintf" "sqrt" "srand" "stat" |
1973 | ;; "substr" "symlink" "syscall" "sysread" "system" "syswrite" "tell" |
1974 | ;; "telldir" "time" "times" "truncate" "uc" "ucfirst" "umask" "unlink" |
1975 | ;; "unpack" "utime" "values" "vec" "wait" "waitpid" "wantarray" "warn" |
1976 | ;; "write" "x" "xor" |
1977 | "a\\(bs\\|ccept\\|tan2\\|larm\\|nd\\)\\|" |
1978 | "b\\(in\\(d\\|mode\\)\\|less\\)\\|" |
1979 | "c\\(h\\(r\\(\\|oot\\)\\|dir\\|mod\\|own\\)\\|aller\\|rypt\\|" |
1980 | "lose\\(\\|dir\\)\\|mp\\|o\\(s\\|n\\(tinue\\|nect\\)\\)\\)\\|" |
1981 | "CORE\\|d\\(ie\\|bm\\(close\\|open\\)\\|ump\\)\\|" |
1982 | "e\\(x\\(p\\|it\\|ec\\)\\|q\\|nd\\(p\\(rotoent\\|went\\)\\|" |
1983 | "hostent\\|servent\\|netent\\|grent\\)\\|of\\)\\|" |
1984 | "f\\(ileno\\|cntl\\|lock\\|or\\(k\\|mline\\)\\)\\|" |
1985 | "g\\(t\\|lob\\|mtime\\|e\\(\\|t\\(p\\(pid\\|r\\(iority\\|" |
1986 | "oto\\(byn\\(ame\\|umber\\)\\|ent\\)\\)\\|eername\\|w" |
1987 | "\\(uid\\|ent\\|nam\\)\\|grp\\)\\|host\\(by\\(addr\\|name\\)\\|" |
1988 | "ent\\)\\|s\\(erv\\(by\\(port\\|name\\)\\|ent\\)\\|" |
1989 | "ock\\(name\\|opt\\)\\)\\|c\\|login\\|net\\(by\\(addr\\|name\\)\\|" |
1990 | "ent\\)\\|gr\\(ent\\|nam\\|gid\\)\\)\\)\\)\\|" |
1991 | "hex\\|i\\(n\\(t\\|dex\\)\\|octl\\)\\|join\\|kill\\|" |
1992 | "l\\(i\\(sten\\|nk\\)\\|stat\\|c\\(\\|first\\)\\|t\\|e" |
1993 | "\\(\\|ngth\\)\\|o\\(caltime\\|g\\)\\)\\|m\\(sg\\(rcv\\|snd\\|" |
1994 | "ctl\\|get\\)\\|kdir\\)\\|n\\(e\\|ot\\)\\|o\\(pen\\(\\|dir\\)\\|" |
1995 | "r\\(\\|d\\)\\|ct\\)\\|p\\(ipe\\|ack\\)\\|quotemeta\\|" |
1996 | "r\\(index\\|and\\|mdir\\|e\\(quire\\|ad\\(pipe\\|\\|lin" |
1997 | "\\(k\\|e\\)\\|dir\\)\\|set\\|cv\\|verse\\|f\\|winddir\\|name" |
1998 | "\\)\\)\\|s\\(printf\\|qrt\\|rand\\|tat\\|ubstr\\|e\\(t\\(p\\(r" |
1999 | "\\(iority\\|otoent\\)\\|went\\|grp\\)\\|hostent\\|s\\(ervent\\|" |
2000 | "ockopt\\)\\|netent\\|grent\\)\\|ek\\(\\|dir\\)\\|lect\\|" |
2001 | "m\\(ctl\\|op\\|get\\)\\|nd\\)\\|h\\(utdown\\|m\\(read\\|ctl\\|" |
2002 | "write\\|get\\)\\)\\|y\\(s\\(read\\|call\\|tem\\|write\\)\\|" |
2003 | "mlink\\)\\|in\\|leep\\|ocket\\(pair\\|\\)\\)\\|t\\(runcate\\|" |
2004 | "ell\\(\\|dir\\)\\|ime\\(\\|s\\)\\)\\|u\\(c\\(\\|first\\)\\|" |
2005 | "time\\|mask\\|n\\(pack\\|link\\)\\)\\|v\\(alues\\|ec\\)\\|" |
2006 | "w\\(a\\(rn\\|it\\(pid\\|\\)\\|ntarray\\)\\|rite\\)\\|" |
2007 | "x\\(\\|or\\)\\|__\\(FILE__\\|LINE__\\)" |
2008 | "\\)\\>") 2 'font-lock-type-face) |
2009 | ;; In what follows we use `other' style |
2010 | ;; for nonoverwritable buildins |
2011 | ;; Somehow 's', 'm' are not autogenerated??? |
2012 | (list |
2013 | (concat |
2014 | "\\(^\\|[^$@%&\\]\\)\\<\\(" |
2015 | ;; "AUTOLOAD" "BEGIN" "DESTROY" "END" "__END__" "chomp" "chop" |
2016 | ;; "defined" "delete" "do" "each" "else" "elsif" "eval" "exists" "for" |
2017 | ;; "foreach" "format" "goto" "grep" "if" "keys" "last" "local" "map" |
2018 | ;; "my" "next" "no" "package" "pop" "pos" "print" "printf" "push" "q" |
2019 | ;; "qq" "qw" "qx" "redo" "return" "scalar" "shift" "sort" "splice" |
2020 | ;; "split" "study" "sub" "tie" "tr" "undef" "unless" "unshift" "untie" |
2021 | ;; "until" "use" "while" "y" |
2022 | "AUTOLOAD\\|BEGIN\\|cho\\(p\\|mp\\)\\|d\\(e\\(fined\\|lete\\)\\|" |
2023 | "o\\)\\|DESTROY\\|e\\(ach\\|val\\|xists\\|ls\\(e\\|if\\)\\)\\|" |
2024 | "END\\|for\\(\\|each\\|mat\\)\\|g\\(rep\\|oto\\)\\|if\\|keys\\|" |
2025 | "l\\(ast\\|ocal\\)\\|m\\(ap\\|y\\)\\|n\\(ext\\|o\\)\\|" |
2026 | "p\\(ackage\\|rint\\(\\|f\\)\\|ush\\|o\\(p\\|s\\)\\)\\|" |
2027 | "q\\(\\|q\\|w\\|x\\)\\|re\\(turn\\|do\\)\\|s\\(pli\\(ce\\|t\\)\\|" |
2028 | "calar\\|tudy\\|ub\\|hift\\|ort\\)\\|t\\(r\\|ie\\)\\|" |
2029 | "u\\(se\\|n\\(shift\\|ti\\(l\\|e\\)\\|def\\|less\\)\\)\\|" |
2030 | "while\\|y\\|__\\(END\\|DATA\\)__" ;__DATA__ added manually |
2031 | "\\|[sm]" ; Added manually |
2032 | "\\)\\>") 2 'font-lock-other-type-face) |
2033 | ;; (mapconcat 'identity |
2034 | ;; '("#endif" "#else" "#ifdef" "#ifndef" "#if" |
2035 | ;; "#include" "#define" "#undef") |
2036 | ;; "\\|") |
2037 | '("-[rwxoRWXOezsfdlpSbctugkTBMAC]\\>\\([ \t]+_\\>\\)?" 0 |
2038 | font-lock-function-name-face) ; Not very good, triggers at "[a-z]" |
2039 | '("\\<sub[ \t]+\\([^ \t{]+\\)[ \t]*[{\n]" 1 |
2040 | font-lock-function-name-face) |
2041 | '("\\<\\(package\\|require\\|use\\)[ \t]+\\([a-zA-z_][a-zA-z_0-9:]*\\)[ \t;]" ; require A if B; |
2042 | 2 font-lock-function-name-face) |
2043 | (if (featurep 'font-lock-extra) |
2044 | '("\\([]}\\\\%@>*&]\\|\\$[a-zA-Z0-9_:]*\\)[ \t]*{[ \t]*\\([a-zA-Z0-9_:]+\\)[ \t]*}" |
2045 | (2 font-lock-string-face t) |
2046 | (0 '(restart 2 t))) ; To highlight $a{bc}{ef} |
2047 | '("\\([]}\\\\%@>*&]\\|\\$[a-zA-Z0-9_:]*\\)[ \t]*{[ \t]*\\([a-zA-Z0-9_:]+\\)[ \t]*}" |
2048 | 2 font-lock-string-face t)) |
2049 | '("[ \t{,(]\\([a-zA-Z0-9_:]+\\)[ \t]*=>" 1 |
2050 | font-lock-string-face t) |
2051 | '("^[ \t]*\\([a-zA-Z0-9_]+[ \t]*:\\)[ \t]*\\($\\|{\\|\\<\\(until\\|while\\|for\\(each\\)?\\|do\\)\\>\\)" 1 |
2052 | font-lock-reference-face) ; labels |
2053 | '("\\<\\(continue\\|next\\|last\\|redo\\|goto\\)\\>[ \t]+\\([a-zA-Z0-9_:]+\\)" ; labels as targets |
2054 | 2 font-lock-reference-face) |
2055 | (if (featurep 'font-lock-extra) |
2056 | '("^[ \t]*\\(my\\|local\\)[ \t]*\\(([ \t]*\\)?\\([$@%][a-zA-Z0-9_]+\\)\\([ \t]*,\\)?" |
2057 | (3 font-lock-variable-name-face) |
2058 | (4 '(another 4 nil |
2059 | ("[ \t]*,[ \t]*\\([$@%][a-zA-Z0-9_]+\\)\\([ \t]*,\\)?" |
2060 | (1 font-lock-variable-name-face) |
2061 | (2 '(restart 2 nil) nil t))) |
2062 | nil t)) ; local variables, multiple |
2063 | '("^[ \t]*\\(my\\|local\\)[ \t]*\\(([ \t]*\\)?\\([$@%][a-zA-Z0-9_]+\\)" |
2064 | 3 font-lock-variable-name-face)) |
2065 | '("\\<for\\(each\\)?[ \t]*\\(\\$[a-zA-Z_][a-zA-Z_0-9]*\\)[ \t]*(" |
2066 | 2 font-lock-variable-name-face))) |
2067 | (if (and (fboundp 'turn-on-font-lock) ; Check for newer font-lock |
2068 | (not (cperl-xemacs-p))) ; not yet as of XEmacs 19.12 |
2069 | (setq t-font-lock-keywords |
2070 | (append |
2071 | t-font-lock-keywords |
2072 | '(("\\(\\([$@]+\\)[a-zA-Z_:][a-zA-Z0-9_:]*\\)[ \t]*\\([[{]\\)" |
2073 | 1 |
2074 | (if (= (- (match-end 2) (match-beginning 2)) 1) |
2075 | (if (eq (char-after (match-beginning 3)) ?{) |
2076 | font-lock-other-emphasized-face |
2077 | font-lock-emphasized-face) ; arrays and hashes |
2078 | font-lock-variable-name-face) ; Just to put something |
2079 | t) |
2080 | ("\\(\\([@%]\\|\$#\\)[a-zA-Z_:][a-zA-Z0-9_:]*\\)" 1 |
2081 | (if (eq (char-after (match-beginning 2)) ?%) |
2082 | font-lock-other-emphasized-face |
2083 | font-lock-emphasized-face) |
2084 | t) ; arrays and hashes |
2085 | ;;("\\([smy]\\|tr\\)\\([^a-z_A-Z0-9]\\)\\(\\([^\n\\]*||\\)\\)\\2") |
2086 | ;;; Too much noise from \s* @s[ and friends |
2087 | ;;("\\(\\<\\([msy]\\|tr\\)[ \t]*\\([^ \t\na-zA-Z0-9_]\\)\\|\\(/\\)\\)" |
2088 | ;;(3 font-lock-function-name-face t t) |
2089 | ;;(4 |
2090 | ;; (if (cperl-slash-is-regexp) |
2091 | ;; font-lock-function-name-face 'default) nil t)) |
2092 | )))) |
2093 | (defconst perl-font-lock-keywords t-font-lock-keywords |
2094 | "Additional expressions to highlight in Perl mode.")) |
2095 | (if (fboundp 'ps-print-buffer) (cperl-ps-print-init)) |
2096 | (if (featurep 'font-lock-extra) |
2097 | (font-lock-require-faces |
2098 | (list |
2099 | ;; Color-light Color-dark Gray-light Gray-dark Mono |
2100 | (list 'font-lock-comment-face |
2101 | ["Firebrick" "OrangeRed" "DimGray" "Gray80"] |
2102 | nil |
2103 | [nil nil t t t] |
2104 | [nil nil t t t] |
2105 | nil) |
2106 | (list 'font-lock-string-face |
2107 | ["RosyBrown" "LightSalmon" "Gray50" "LightGray"] |
2108 | nil |
2109 | nil |
2110 | [nil nil t t t] |
2111 | nil) |
2112 | (list 'font-lock-keyword-face |
2113 | ["Purple" "LightSteelBlue" "DimGray" "Gray90"] |
2114 | nil |
2115 | [nil nil t t t] |
2116 | nil |
2117 | nil) |
2118 | (list 'font-lock-function-name-face |
2119 | (vector |
2120 | "Blue" "LightSkyBlue" "Gray50" "LightGray" |
2121 | (cdr (assq 'background-color ; if mono |
2122 | (frame-parameters)))) |
2123 | (vector |
2124 | nil nil nil nil |
2125 | (cdr (assq 'foreground-color ; if mono |
2126 | (frame-parameters)))) |
2127 | [nil nil t t t] |
2128 | nil |
2129 | nil) |
2130 | (list 'font-lock-variable-name-face |
2131 | ["DarkGoldenrod" "LightGoldenrod" "DimGray" "Gray90"] |
2132 | nil |
2133 | [nil nil t t t] |
2134 | [nil nil t t t] |
2135 | nil) |
2136 | (list 'font-lock-type-face |
2137 | ["DarkOliveGreen" "PaleGreen" "DimGray" "Gray80"] |
2138 | nil |
2139 | [nil nil t t t] |
2140 | nil |
2141 | [nil nil t t t] |
2142 | ) |
2143 | (list 'font-lock-reference-face |
2144 | ["CadetBlue" "Aquamarine" "Gray50" "LightGray"] |
2145 | nil |
2146 | [nil nil t t t] |
2147 | nil |
2148 | [nil nil t t t] |
2149 | ) |
2150 | (list 'font-lock-other-type-face |
2151 | ["chartreuse3" ("orchid1" "orange") |
2152 | nil "Gray80"] |
2153 | [nil nil "gray90"] |
2154 | [nil nil nil t t] |
2155 | [nil nil t t] |
2156 | [nil nil t t t] |
2157 | ) |
2158 | (list 'font-lock-emphasized-face |
2159 | ["blue" "yellow" nil "Gray80"] |
2160 | ["lightyellow2" ("navy" "os2blue" "darkgreen") |
2161 | "gray90"] |
2162 | t |
2163 | nil |
2164 | nil) |
2165 | (list 'font-lock-other-emphasized-face |
2166 | ["red" "red" nil "Gray80"] |
2167 | ["lightyellow2" ("navy" "os2blue" "darkgreen") |
2168 | "gray90"] |
2169 | t |
2170 | t |
2171 | nil))) |
2172 | (defvar cperl-guessed-background nil |
2173 | "Display characteristics as guessed by cperl.") |
2174 | (or (fboundp 'x-color-defined-p) |
2175 | (defalias 'x-color-defined-p |
2176 | (cond ((fboundp 'color-defined-p) 'color-defined-p) |
2177 | ;; XEmacs >= 19.12 |
2178 | ((fboundp 'valid-color-name-p) 'valid-color-name-p) |
2179 | ;; XEmacs 19.11 |
2180 | (t 'x-valid-color-name-p)))) |
2181 | (defvar font-lock-reference-face 'font-lock-reference-face) |
2182 | (defvar font-lock-variable-name-face 'font-lock-variable-name-face) |
2183 | (or (boundp 'font-lock-type-face) |
2184 | (defconst font-lock-type-face |
2185 | 'font-lock-type-face |
2186 | "Face to use for data types.") |
2187 | ) |
2188 | (or (boundp 'font-lock-other-type-face) |
2189 | (defconst font-lock-other-type-face |
2190 | 'font-lock-other-type-face |
2191 | "Face to use for data types from another group.") |
2192 | ) |
2193 | (if (not (cperl-xemacs-p)) nil |
2194 | (or (boundp 'font-lock-comment-face) |
2195 | (defconst font-lock-comment-face |
2196 | 'font-lock-comment-face |
2197 | "Face to use for comments.") |
2198 | ) |
2199 | (or (boundp 'font-lock-keyword-face) |
2200 | (defconst font-lock-keyword-face |
2201 | 'font-lock-keyword-face |
2202 | "Face to use for keywords.") |
2203 | ) |
2204 | (or (boundp 'font-lock-function-name-face) |
2205 | (defconst font-lock-function-name-face |
2206 | 'font-lock-function-name-face |
2207 | "Face to use for function names.") |
2208 | ) |
2209 | ) |
2210 | ;;(if (featurep 'font-lock) |
2211 | (if (face-equal font-lock-type-face font-lock-comment-face) |
2212 | (defconst font-lock-type-face |
2213 | 'font-lock-type-face |
2214 | "Face to use for basic data types.") |
2215 | ) |
2216 | ;;; (if (fboundp 'eval-after-load) |
2217 | ;;; (eval-after-load "font-lock" |
2218 | ;;; '(if (face-equal font-lock-type-face |
2219 | ;;; font-lock-comment-face) |
2220 | ;;; (defconst font-lock-type-face |
2221 | ;;; 'font-lock-type-face |
2222 | ;;; "Face to use for basic data types.") |
2223 | ;;; ))) ; This does not work :-( Why?! |
2224 | ;;; ; Workaround: added to font-lock-m-h |
2225 | ;;; ) |
2226 | (or (boundp 'font-lock-other-emphasized-face) |
2227 | (defconst font-lock-other-emphasized-face |
2228 | 'font-lock-other-emphasized-face |
2229 | "Face to use for another type of emphasizing.") |
2230 | ) |
2231 | (or (boundp 'font-lock-emphasized-face) |
2232 | (defconst font-lock-emphasized-face |
2233 | 'font-lock-emphasized-face |
2234 | "Face to use for emphasizing.") |
2235 | ) |
2236 | ;; Here we try to guess background |
2237 | (let ((background |
2238 | (if (boundp 'font-lock-background-mode) |
2239 | font-lock-background-mode |
2240 | 'light)) |
2241 | (face-list (and (fboundp 'face-list) (face-list))) |
2242 | is-face) |
2243 | (fset 'is-face |
2244 | (cond ((fboundp 'find-face) |
2245 | (symbol-function 'find-face)) |
2246 | (face-list |
2247 | (function (lambda (face) (member face face-list)))) |
2248 | (t |
2249 | (function (lambda (face) (boundp face)))))) |
2250 | (defvar cperl-guessed-background |
2251 | (if (and (boundp 'font-lock-display-type) |
2252 | (eq font-lock-display-type 'grayscale)) |
2253 | 'gray |
2254 | background) |
2255 | "Background as guessed by CPerl mode") |
2256 | (if (is-face 'font-lock-type-face) nil |
2257 | (copy-face 'default 'font-lock-type-face) |
2258 | (cond |
2259 | ((eq background 'light) |
2260 | (set-face-foreground 'font-lock-type-face |
2261 | (if (x-color-defined-p "seagreen") |
2262 | "seagreen" |
2263 | "sea green"))) |
2264 | ((eq background 'dark) |
2265 | (set-face-foreground 'font-lock-type-face |
2266 | (if (x-color-defined-p "os2pink") |
2267 | "os2pink" |
2268 | "pink"))) |
2269 | (t |
2270 | (set-face-background 'font-lock-type-face "gray90")))) |
2271 | (if (is-face 'font-lock-other-type-face) |
2272 | nil |
2273 | (copy-face 'font-lock-type-face 'font-lock-other-type-face) |
2274 | (cond |
2275 | ((eq background 'light) |
2276 | (set-face-foreground 'font-lock-other-type-face |
2277 | (if (x-color-defined-p "chartreuse3") |
2278 | "chartreuse3" |
2279 | "chartreuse"))) |
2280 | ((eq background 'dark) |
2281 | (set-face-foreground 'font-lock-other-type-face |
2282 | (if (x-color-defined-p "orchid1") |
2283 | "orchid1" |
2284 | "orange"))))) |
2285 | (if (is-face 'font-lock-other-emphasized-face) nil |
2286 | (copy-face 'bold-italic 'font-lock-other-emphasized-face) |
2287 | (cond |
2288 | ((eq background 'light) |
2289 | (set-face-background 'font-lock-other-emphasized-face |
2290 | (if (x-color-defined-p "lightyellow2") |
2291 | "lightyellow2" |
2292 | (if (x-color-defined-p "lightyellow") |
2293 | "lightyellow" |
2294 | "light yellow")))) |
2295 | ((eq background 'dark) |
2296 | (set-face-background 'font-lock-other-emphasized-face |
2297 | (if (x-color-defined-p "navy") |
2298 | "navy" |
2299 | (if (x-color-defined-p "darkgreen") |
2300 | "darkgreen" |
2301 | "dark green")))) |
2302 | (t (set-face-background 'font-lock-other-emphasized-face "gray90")))) |
2303 | (if (is-face 'font-lock-emphasized-face) nil |
2304 | (copy-face 'bold 'font-lock-emphasized-face) |
2305 | (cond |
2306 | ((eq background 'light) |
2307 | (set-face-background 'font-lock-emphasized-face |
2308 | (if (x-color-defined-p "lightyellow2") |
2309 | "lightyellow2" |
2310 | "lightyellow"))) |
2311 | ((eq background 'dark) |
2312 | (set-face-background 'font-lock-emphasized-face |
2313 | (if (x-color-defined-p "navy") |
2314 | "navy" |
2315 | (if (x-color-defined-p "darkgreen") |
2316 | "darkgreen" |
2317 | "dark green")))) |
2318 | (t (set-face-background 'font-lock-emphasized-face "gray90")))) |
2319 | (if (is-face 'font-lock-variable-name-face) nil |
2320 | (copy-face 'italic 'font-lock-variable-name-face)) |
2321 | (if (is-face 'font-lock-reference-face) nil |
2322 | (copy-face 'italic 'font-lock-reference-face))))) |
2323 | (error nil))) |
2324 | |
2325 | |
2326 | (defun cperl-ps-print-init () |
2327 | "Initialization of `ps-print' components for faces used in CPerl." |
2328 | ;; Guard against old versions |
2329 | (defvar ps-underlined-faces nil) |
2330 | (defvar ps-bold-faces nil) |
2331 | (defvar ps-italic-faces nil) |
2332 | (setq ps-bold-faces |
2333 | (append '(font-lock-emphasized-face |
2334 | font-lock-keyword-face |
2335 | font-lock-variable-name-face |
2336 | font-lock-reference-face |
2337 | font-lock-other-emphasized-face) |
2338 | ps-bold-faces)) |
2339 | (setq ps-italic-faces |
2340 | (append '(font-lock-other-type-face |
2341 | font-lock-reference-face |
2342 | font-lock-other-emphasized-face) |
2343 | ps-italic-faces)) |
2344 | (setq ps-underlined-faces |
2345 | (append '(font-lock-emphasized-face |
2346 | font-lock-other-emphasized-face |
2347 | font-lock-other-type-face font-lock-type-face) |
2348 | ps-underlined-faces)) |
2349 | (cons 'font-lock-type-face ps-underlined-faces)) |
2350 | |
2351 | |
2352 | (if (cperl-enable-font-lock) (cperl-windowed-init)) |
2353 | |
2354 | (defun cperl-set-style (style) |
2355 | "Set CPerl-mode variables to use one of several different indentation styles. |
2356 | The arguments are a string representing the desired style. |
2357 | Available styles are GNU, K&R, BSD and Whitesmith." |
2358 | (interactive |
2359 | (let ((list (mapcar (function (lambda (elt) (list (car elt)))) |
2360 | c-style-alist))) |
2361 | (list (completing-read "Enter style: " list nil 'insist)))) |
2362 | (let ((style (cdr (assoc style c-style-alist))) setting str sym) |
2363 | (while style |
2364 | (setq setting (car style) style (cdr style)) |
2365 | (setq str (symbol-name (car setting))) |
2366 | (and (string-match "^c-" str) |
2367 | (setq str (concat "cperl-" (substring str 2))) |
2368 | (setq sym (intern-soft str)) |
2369 | (boundp sym) |
2370 | (set sym (cdr setting)))))) |
2371 | |
2372 | (defun cperl-check-syntax () |
2373 | (interactive) |
2374 | (require 'mode-compile) |
2375 | (let ((perl-dbg-flags "-wc")) |
2376 | (mode-compile))) |
2377 | |
2378 | (defun cperl-info-buffer () |
2379 | ;; Returns buffer with documentation. Creats if missing |
2380 | (let ((info (get-buffer "*info-perl*"))) |
2381 | (if info info |
2382 | (save-window-excursion |
2383 | ;; Get Info running |
2384 | (require 'info) |
2385 | (save-window-excursion |
2386 | (info)) |
2387 | (Info-find-node "perl5" "perlfunc") |
2388 | (set-buffer "*info*") |
2389 | (rename-buffer "*info-perl*") |
2390 | (current-buffer))))) |
2391 | |
2392 | (defun cperl-word-at-point (&optional p) |
2393 | ;; Returns the word at point or at P. |
2394 | (save-excursion |
2395 | (if p (goto-char p)) |
2396 | (require 'etags) |
2397 | (funcall (or (and (boundp 'find-tag-default-function) |
2398 | find-tag-default-function) |
2399 | (get major-mode 'find-tag-default-function) |
2400 | ;; XEmacs 19.12 has `find-tag-default-hook'; it is |
2401 | ;; automatically used within `find-tag-default': |
2402 | 'find-tag-default)))) |
2403 | |
2404 | (defun cperl-info-on-command (command) |
2405 | "Shows documentation for Perl command in other window." |
2406 | (interactive |
2407 | (let* ((default (cperl-word-at-point)) |
2408 | (read (read-string |
2409 | (format "Find doc for Perl function (default %s): " |
2410 | default)))) |
2411 | (list (if (equal read "") |
2412 | default |
2413 | read)))) |
2414 | |
2415 | (let ((buffer (current-buffer)) |
2416 | (cmd-desc (concat "^" (regexp-quote command) "[ \t\n]")) |
2417 | pos) |
2418 | (if (string-match "^-[a-zA-Z]$" command) |
2419 | (setq cmd-desc "^-X[ \t\n]")) |
2420 | (set-buffer (cperl-info-buffer)) |
2421 | (beginning-of-buffer) |
2422 | (re-search-forward "^-X[ \t\n]") |
2423 | (forward-line -1) |
2424 | (if (re-search-forward cmd-desc nil t) |
2425 | (progn |
2426 | (setq pos (progn (beginning-of-line) |
2427 | (point))) |
2428 | (pop-to-buffer (cperl-info-buffer)) |
2429 | (set-window-start (selected-window) pos)) |
2430 | (message "No entry for %s found." command)) |
2431 | (pop-to-buffer buffer))) |
2432 | |
2433 | (defun cperl-info-on-current-command () |
2434 | "Shows documentation for Perl command at point in other window." |
2435 | (interactive) |
2436 | (cperl-info-on-command (cperl-word-at-point))) |
2437 | |
2438 | (defun cperl-imenu-info-imenu-search () |
2439 | (if (looking-at "^-X[ \t\n]") nil |
2440 | (re-search-backward |
2441 | "^\n\\([-a-zA-Z]+\\)[ \t\n]") |
2442 | (forward-line 1))) |
2443 | |
2444 | (defun cperl-imenu-info-imenu-name () |
2445 | (buffer-substring |
2446 | (match-beginning 1) (match-end 1))) |
2447 | |
2448 | (defun cperl-imenu-on-info () |
2449 | (interactive) |
2450 | (let* ((buffer (current-buffer)) |
2451 | imenu-create-index-function |
2452 | imenu-prev-index-position-function |
2453 | imenu-extract-index-name-function |
2454 | (index-item (save-restriction |
2455 | (save-window-excursion |
2456 | (set-buffer (cperl-info-buffer)) |
2457 | (setq imenu-create-index-function |
2458 | 'imenu-default-create-index-function |
2459 | imenu-prev-index-position-function |
2460 | 'cperl-imenu-info-imenu-search |
2461 | imenu-extract-index-name-function |
2462 | 'cperl-imenu-info-imenu-name) |
2463 | (imenu-choose-buffer-index))))) |
2464 | (and index-item |
2465 | (progn |
2466 | (push-mark) |
2467 | (pop-to-buffer "*info-perl*") |
2468 | (cond |
2469 | ((markerp (cdr index-item)) |
2470 | (goto-char (marker-position (cdr index-item)))) |
2471 | (t |
2472 | (goto-char (cdr index-item)))) |
2473 | (set-window-start (selected-window) (point)) |
2474 | (pop-to-buffer buffer))))) |
2475 | |
2476 | (defun cperl-lineup (beg end &optional step minshift) |
2477 | "Lineup construction in a region. |
2478 | Beginning of region should be at the start of a construction. |
2479 | All first occurences of this construction in the lines that are |
2480 | partially contained in the region are lined up at the same column. |
2481 | |
2482 | MINSHIFT is the minimal amount of space to insert before the construction. |
2483 | STEP is the tabwidth to position constructions. |
2484 | If STEP is `nil', `cperl-lineup-step' will be used |
2485 | \(or `cperl-indent-level', if `cperl-lineup-step' is `nil'). |
2486 | Will not move the position at the start to the left." |
2487 | (interactive "r") |
2488 | (let (search col tcol seen b e) |
2489 | (save-excursion |
2490 | (goto-char end) |
2491 | (end-of-line) |
2492 | (setq end (point-marker)) |
2493 | (goto-char beg) |
2494 | (skip-chars-forward " \t\f") |
2495 | (setq beg (point-marker)) |
2496 | (indent-region beg end nil) |
2497 | (goto-char beg) |
2498 | (setq col (current-column)) |
2499 | (if (looking-at "\\sw") |
2500 | (if (looking-at "\\<\\sw+\\>") |
2501 | (setq search |
2502 | (concat "\\<" |
2503 | (regexp-quote |
2504 | (buffer-substring (match-beginning 0) |
2505 | (match-end 0))) "\\>")) |
2506 | (error "Cannot line up in a middle of the word")) |
2507 | (if (looking-at "$") |
2508 | (error "Cannot line up end of line")) |
2509 | (setq search (regexp-quote (char-to-string (following-char))))) |
2510 | (setq step (or step cperl-lineup-step cperl-indent-level)) |
2511 | (or minshift (setq minshift 1)) |
2512 | (while (progn |
2513 | (beginning-of-line 2) |
2514 | (and (< (point) end) |
2515 | (re-search-forward search end t) |
2516 | (goto-char (match-beginning 0)))) |
2517 | (setq tcol (current-column) seen t) |
2518 | (if (> tcol col) (setq col tcol))) |
2519 | (or seen |
2520 | (error "The construction to line up occured only once")) |
2521 | (goto-char beg) |
2522 | (setq col (+ col minshift)) |
2523 | (if (/= (% col step) 0) (setq step (* step (1+ (/ col step))))) |
2524 | (while |
2525 | (progn |
2526 | (setq e (point)) |
2527 | (skip-chars-backward " \t") |
2528 | (delete-region (point) e) |
2529 | (indent-to-column col); (make-string (- col (current-column)) ?\ )) |
2530 | (beginning-of-line 2) |
2531 | (and (< (point) end) |
2532 | (re-search-forward search end t) |
2533 | (goto-char (match-beginning 0)))))))) ; No body |
2534 | |
2535 | (defun cperl-etags (&optional add all files) |
2536 | "Run etags with appropriate options for Perl files. |
2537 | If optional argument ALL is `recursive', will process Perl files |
2538 | in subdirectories too." |
2539 | (interactive) |
2540 | (let ((cmd "etags") |
2541 | (args '("-l" "none" "-r" "/\\<\\(package\\|sub\\)[ \\t]+\\(\\([a-zA-Z0-9:_]*::\\)?\\([a-zA-Z0-9_]+\\)[ \\t]*\\([{#]\\|$\\)\\)/\\4/")) |
2542 | res) |
2543 | (if add (setq args (cons "-a" args))) |
2544 | (or files (setq files (list buffer-file-name))) |
2545 | (cond |
2546 | ((eq all 'recursive) |
2547 | ;;(error "Not implemented: recursive") |
2548 | (setq args (append (list "-e" |
2549 | "sub wanted {push @ARGV, $File::Find::name if /\\.[Pp][Llm]$/} |
2550 | use File::Find; |
2551 | find(\\&wanted, '.'); |
2552 | exec @ARGV;" |
2553 | cmd) args) |
2554 | cmd "perl")) |
2555 | (all |
2556 | ;;(error "Not implemented: all") |
2557 | (setq args (append (list "-e" |
2558 | "push @ARGV, <*.PL *.pl *.pm>; |
2559 | exec @ARGV;" |
2560 | cmd) args) |
2561 | cmd "perl")) |
2562 | (t |
2563 | (setq args (append args files)))) |
2564 | (setq res (apply 'call-process cmd nil nil nil args)) |
2565 | (or (eq res 0) |
2566 | (message "etags returned \"%s\"" res)))) |