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daa37602 | 1 | ;;; compile.el --- run compiler as inferior of Emacs, parse error messages. |
fad160d5 | 2 | |
7e8d2625 | 3 | ;; Copyright (C) 1985, 86, 87, 93 Free Software Foundation, Inc. |
3a801d0c | 4 | |
29add8b9 | 5 | ;; Author: Roland McGrath <roland@prep.ai.mit.edu> |
d1c7011d | 6 | ;; Maintainer: FSF |
e9571d2a | 7 | ;; Keywords: tools, processes |
d1c7011d | 8 | |
55dfd2c4 RS |
9 | ;; This file is part of GNU Emacs. |
10 | ||
29add8b9 RM |
11 | ;; GNU Emacs is free software; you can redistribute it and/or modify |
12 | ;; it under the terms of the GNU General Public License as published by | |
13 | ;; the Free Software Foundation; either version 2, or (at your option) | |
14 | ;; any later version. | |
15 | ||
55dfd2c4 | 16 | ;; GNU Emacs is distributed in the hope that it will be useful, |
29add8b9 RM |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
22 | ;; along with GNU Emacs; see the file COPYING. If not, write to | |
23 | ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
55dfd2c4 | 24 | |
5cc57841 ER |
25 | ;;; Commentary: |
26 | ||
27 | ;; This package provides the compile and grep facilities documented in | |
28 | ;; the Emacs user's manual. | |
29 | ||
d1c7011d ER |
30 | ;;; Code: |
31 | ||
7c163413 RM |
32 | ;;;###autoload |
33 | (defvar compilation-mode-hook nil | |
34 | "*List of hook functions run by compilation-mode (see `run-hooks').") | |
35 | ||
36 | ;;;###autoload | |
d3cb357b RM |
37 | (defconst compilation-window-height nil |
38 | "*Number of lines in a compilation window. If nil, use Emacs default.") | |
39 | ||
55dfd2c4 RS |
40 | (defvar compilation-error-list nil |
41 | "List of error message descriptors for visiting erring functions. | |
646bd331 RM |
42 | Each error descriptor is a cons (or nil). Its car is a marker pointing to |
43 | an error message. If its cdr is a marker, it points to the text of the | |
44 | line the message is about. If its cdr is a cons, that cons's car is a cons | |
45 | \(DIRECTORY . FILE\), specifying the file the message is about, and its cdr | |
46 | is the number of the line the message is about. Or its cdr may be nil if | |
47 | that error is not interesting. | |
d3cb357b RM |
48 | |
49 | The value may be t instead of a list; this means that the buffer of | |
50 | error messages should be reparsed the next time the list of errors is wanted.") | |
55dfd2c4 RS |
51 | |
52 | (defvar compilation-old-error-list nil | |
53 | "Value of `compilation-error-list' after errors were parsed.") | |
54 | ||
d3cb357b | 55 | (defvar compilation-parse-errors-function 'compilation-parse-errors |
b2bb6ec8 | 56 | "Function to call to parse error messages from a compilation. |
c540863c RM |
57 | It takes args LIMIT-SEARCH and FIND-AT-LEAST. |
58 | If LIMIT-SEARCH is non-nil, don't bother parsing past that location. | |
59 | If FIND-AT-LEAST is non-nil, don't bother parsing after finding that | |
60 | many new erros. | |
d3cb357b RM |
61 | It should read in the source files which have errors and set |
62 | `compilation-error-list' to a list with an element for each error message | |
63 | found. See that variable for more info.") | |
55dfd2c4 | 64 | |
aa228418 | 65 | ;;;###autoload |
d3cb357b | 66 | (defvar compilation-buffer-name-function nil |
6c43f2f9 RS |
67 | "Function to compute the name of a compilation buffer. |
68 | The function receives one argument, the name of the major mode of the | |
69 | compilation buffer. It should return a string. | |
70 | nil means compute the name with `(concat \"*\" (downcase major-mode) \"*\")'.") | |
55dfd2c4 | 71 | |
aa228418 | 72 | ;;;###autoload |
d3cb357b | 73 | (defvar compilation-finish-function nil |
aa228418 | 74 | "*Function to call when a compilation process finishes. |
d3cb357b RM |
75 | It is called with two arguments: the compilation buffer, and a string |
76 | describing how the process finished.") | |
55dfd2c4 | 77 | |
d3cb357b | 78 | (defvar compilation-last-buffer nil |
6c43f2f9 RS |
79 | "The most recent compilation buffer. |
80 | A buffer becomes most recent when its compilation is started | |
81 | or when it is used with \\[next-error] or \\[compile-goto-error].") | |
55dfd2c4 | 82 | |
ebff767c RM |
83 | (defvar compilation-in-progress nil |
84 | "List of compilation processes now running.") | |
85 | (or (assq 'compilation-in-progress minor-mode-alist) | |
86 | (setq minor-mode-alist (cons '(compilation-in-progress " Compiling") | |
87 | minor-mode-alist))) | |
88 | ||
d3cb357b RM |
89 | (defvar compilation-parsing-end nil |
90 | "Position of end of buffer when last error messages were parsed.") | |
91 | ||
92 | (defvar compilation-error-message "No more errors" | |
6c43f2f9 RS |
93 | "Message to print when no more matches are found.") |
94 | ||
95 | (defvar compilation-num-errors-found) | |
d3cb357b RM |
96 | |
97 | (defvar compilation-error-regexp-alist | |
98 | '( | |
15d1a8da | 99 | ;; NOTE! This first one is repeated in grep-regexp-alist, below. |
7ee790ac | 100 | |
d3cb357b | 101 | ;; 4.3BSD grep, cc, lint pass 1: |
7ee790ac RM |
102 | ;; /usr/src/foo/foo.c(8): warning: w may be used before set |
103 | ;; or GNU utilities: | |
104 | ;; foo.c:8: error message | |
105 | ;; or HP-UX 7.0 fc: | |
106 | ;; foo.f :16 some horrible error message | |
57c8389c JB |
107 | ;; |
108 | ;; We'll insist that the number be followed by a colon or closing | |
109 | ;; paren, because otherwise this matches just about anything | |
110 | ;; containing a number with spaces around it. | |
f34a4d8d | 111 | ("^\\([^:( \t\n]+\\)[ \t]*[:(][ \t]*\\([0-9]+\\)[:) \t]" 1 2) |
7ee790ac | 112 | |
d3cb357b | 113 | ;; 4.3BSD lint pass 2 |
7ee790ac | 114 | ;; strcmp: variable # of args. llib-lc(359) :: /usr/src/foo/foo.c(8) |
daa37602 | 115 | ("[ \t:]+\\([^:( \t\n]+\\)[ \t]*[:(]*(+[ \t]*\\([0-9]+\\))[:) \t]*$" 1 2) |
7ee790ac | 116 | |
d3cb357b | 117 | ;; 4.3BSD lint pass 3 |
7ee790ac | 118 | ;; bloofle defined( /users/wolfgang/foo.c(4) ), but never used |
daa37602 JB |
119 | ;; This used to be |
120 | ;; ("[ \t(]+\\([^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]+" 1 2) | |
121 | ;; which is regexp Impressionism - it matches almost anything! | |
122 | ("([ \t]*\\([^:( \t\n]+\\)[ \t]*[:(][ \t]*\\([0-9]+\\))" 1 2) | |
7ee790ac | 123 | |
d3cb357b | 124 | ;; Line 45 of "foo.c": bloofel undefined (who does this?) |
daa37602 | 125 | ("^[Ll]ine[ \t]+\\([0-9]+\\)[ \t]+of[ \t]+\"\\([^\"\n]+\\)\":" 2 1) |
7ee790ac RM |
126 | |
127 | ;; Apollo cc, 4.3BSD fc: | |
128 | ;; "foo.f", line 3: Error: syntax error near end of statement | |
129 | ;; or MIPS RISC CC - the one distributed with Ultrix: | |
130 | ;; ccom: Error: foo.c, line 2: syntax error | |
d4035a26 | 131 | ("\\b\"?\\([^,\" \n\t]+\\)\"?, line \\([0-9]+\\):" 1 2) |
7ee790ac RM |
132 | |
133 | ;; IBM AIX PS/2 C version 1.1: | |
134 | ;; ****** Error number 140 in line 8 of file errors.c ****** | |
daa37602 | 135 | ("in line \\([0-9]+\\) of file \\([^ \n]+[^. \n]\\)\\.? " 2 1) |
d3cb357b RM |
136 | ;; IBM AIX lint is too painful to do right this way. File name |
137 | ;; prefixes entire sections rather than being on each line. | |
57c8389c | 138 | |
d3cb357b | 139 | ) |
6c43f2f9 RS |
140 | "Alist that specifies how to match errors in compiler output. |
141 | Each element has the form (REGEXP FILE-IDX LINE-IDX). | |
142 | If REGEXP matches, the FILE-IDX'th subexpression gives the file | |
d3cb357b | 143 | name, and the LINE-IDX'th subexpression gives the line number.") |
55dfd2c4 | 144 | |
15d1a8da RM |
145 | (defvar grep-regexp-alist |
146 | '(("^\\([^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]" 1 2)) | |
147 | "Regexp used to match grep hits. See `compilation-error-regexp-alist'.") | |
148 | ||
7c163413 | 149 | ;;;###autoload |
d3cb357b | 150 | (defvar compilation-search-path '(nil) |
7c163413 | 151 | "*List of directories to search for source files named in error messages. |
d3cb357b RM |
152 | Elements should be directory names, not file names of directories. |
153 | nil as an element means to try the default directory.") | |
55dfd2c4 RS |
154 | |
155 | (defvar compile-command "make -k " | |
156 | "Last shell command used to do a compilation; default for next compilation. | |
157 | ||
158 | Sometimes it is useful for files to supply local values for this variable. | |
159 | You might also use mode hooks to specify it in certain modes, like this: | |
160 | ||
161 | (setq c-mode-hook | |
162 | '(lambda () (or (file-exists-p \"makefile\") (file-exists-p \"Makefile\") | |
163 | (progn (make-local-variable 'compile-command) | |
164 | (setq compile-command | |
165 | (concat \"make -k \" | |
166 | buffer-file-name))))))") | |
167 | ||
d3cb357b | 168 | (defconst compilation-enter-directory-regexp |
daa37602 | 169 | ": Entering directory `\\(.*\\)'$" |
6c43f2f9 RS |
170 | "Regular expression matching lines that indicate a new current directory. |
171 | This must contain one \\(, \\) pair around the directory name. | |
d3cb357b RM |
172 | |
173 | The default value matches lines printed by the `-w' option of GNU Make.") | |
174 | ||
175 | (defconst compilation-leave-directory-regexp | |
daa37602 | 176 | ": Leaving directory `\\(.*\\)'$" |
6c43f2f9 RS |
177 | "Regular expression matching lines that indicate restoring current directory. |
178 | This may contain one \\(, \\) pair around the name of the directory | |
179 | being moved from. If it does not, the last directory entered \(by a | |
180 | line matching `compilation-enter-directory-regexp'\) is assumed. | |
d3cb357b RM |
181 | |
182 | The default value matches lines printed by the `-w' option of GNU Make.") | |
183 | ||
184 | (defvar compilation-directory-stack nil | |
6c43f2f9 RS |
185 | "Stack of previous directories for `compilation-leave-directory-regexp'. |
186 | The head element is the directory the compilation was started in.") | |
d3cb357b | 187 | |
770970cb RS |
188 | ;; History of compile commands. |
189 | (defvar compile-history nil) | |
190 | ;; History of grep commands. | |
191 | (defvar grep-history nil) | |
192 | ||
d3cb357b | 193 | ;;;###autoload |
55dfd2c4 RS |
194 | (defun compile (command) |
195 | "Compile the program including the current buffer. Default: run `make'. | |
196 | Runs COMMAND, a shell command, in a separate process asynchronously | |
197 | with output going to the buffer `*compilation*'. | |
d3cb357b | 198 | |
55dfd2c4 RS |
199 | You can then use the command \\[next-error] to find the next error message |
200 | and move to the source code that caused it. | |
201 | ||
202 | To run more than one compilation at once, start one and rename the | |
d3cb357b RM |
203 | \`*compilation*' buffer to some other name with \\[rename-buffer]. |
204 | Then start the next one. | |
205 | ||
206 | The name used for the buffer is actually whatever is returned by | |
207 | the function in `compilation-buffer-name-function', so you can set that | |
208 | to a function that generates a unique name." | |
770970cb | 209 | (interactive (list (read-from-minibuffer "Compile command: " |
1fcf5f92 | 210 | compile-command nil nil |
770970cb | 211 | '(compile-history . 1)))) |
55dfd2c4 RS |
212 | (setq compile-command command) |
213 | (save-some-buffers nil nil) | |
d3cb357b | 214 | (compile-internal compile-command "No more errors")) |
55dfd2c4 | 215 | |
d3cb357b | 216 | ;;;###autoload |
55dfd2c4 RS |
217 | (defun grep (command-args) |
218 | "Run grep, with user-specified args, and collect output in a buffer. | |
219 | While grep runs asynchronously, you can use the \\[next-error] command | |
d3cb357b RM |
220 | to find the text that grep hits refer to. |
221 | ||
770970cb RS |
222 | This command uses a special history list for its arguments, so you can |
223 | easily repeat a grep command." | |
55dfd2c4 | 224 | (interactive |
770970cb RS |
225 | (list (read-from-minibuffer "Run grep (like this): " |
226 | "grep -n " nil nil 'grep-history))) | |
227 | (compile-internal (concat command-args " /dev/null") | |
15d1a8da RM |
228 | "No more grep hits" "grep" |
229 | ;; Give it a simpler regexp to match. | |
230 | nil grep-regexp-alist)) | |
55dfd2c4 RS |
231 | |
232 | (defun compile-internal (command error-message | |
d3cb357b RM |
233 | &optional name-of-mode parser regexp-alist |
234 | name-function) | |
55dfd2c4 RS |
235 | "Run compilation command COMMAND (low level interface). |
236 | ERROR-MESSAGE is a string to print if the user asks to see another error | |
237 | and there are no more errors. Third argument NAME-OF-MODE is the name | |
d3cb357b RM |
238 | to display as the major mode in the compilation buffer. |
239 | ||
240 | Fourth arg PARSER is the error parser function (nil means the default). Fifth | |
241 | arg REGEXP-ALIST is the error message regexp alist to use (nil means the | |
242 | default). Sixth arg NAME-FUNCTION is a function called to name the buffer (nil | |
243 | means the default). The defaults for these variables are the global values of | |
244 | \`compilation-parse-errors-function', `compilation-error-regexp-alist', and | |
646bd331 RM |
245 | \`compilation-buffer-name-function', respectively. |
246 | ||
247 | Returns the compilation buffer created." | |
d3cb357b | 248 | (let (outbuf) |
55dfd2c4 | 249 | (save-excursion |
d3cb357b RM |
250 | (or name-of-mode |
251 | (setq name-of-mode "Compilation")) | |
252 | (setq outbuf | |
253 | (get-buffer-create | |
254 | (funcall (or name-function compilation-buffer-name-function | |
255 | (function (lambda (mode) | |
256 | (concat "*" (downcase mode) "*")))) | |
257 | name-of-mode))) | |
258 | (set-buffer outbuf) | |
259 | (let ((comp-proc (get-buffer-process (current-buffer)))) | |
260 | (if comp-proc | |
261 | (if (or (not (eq (process-status comp-proc) 'run)) | |
262 | (yes-or-no-p | |
bea1d57a JB |
263 | (format "A %s process is running; kill it? " |
264 | name-of-mode))) | |
d3cb357b RM |
265 | (condition-case () |
266 | (progn | |
267 | (interrupt-process comp-proc) | |
268 | (sit-for 1) | |
269 | (delete-process comp-proc)) | |
270 | (error nil)) | |
271 | (error "Cannot have two processes in `%s' at once" | |
272 | (buffer-name)) | |
273 | ))) | |
274 | ;; In case the compilation buffer is current, make sure we get the global | |
275 | ;; values of compilation-error-regexp-alist, etc. | |
276 | (kill-all-local-variables)) | |
277 | (let ((regexp-alist (or regexp-alist compilation-error-regexp-alist)) | |
278 | (parser (or parser compilation-parse-errors-function)) | |
279 | (thisdir default-directory) | |
280 | outwin) | |
281 | (save-excursion | |
282 | ;; Clear out the compilation buffer and make it writable. | |
283 | ;; Change its default-directory to the directory where the compilation | |
284 | ;; will happen, and insert a `cd' command to indicate this. | |
285 | (set-buffer outbuf) | |
286 | (setq buffer-read-only nil) | |
287 | (erase-buffer) | |
288 | (setq default-directory thisdir) | |
289 | (insert "cd " thisdir "\n" command "\n") | |
290 | (set-buffer-modified-p nil)) | |
291 | ;; If we're already in the compilation buffer, go to the end | |
292 | ;; of the buffer, so point will track the compilation output. | |
293 | (if (eq outbuf (current-buffer)) | |
294 | (goto-char (point-max))) | |
295 | ;; Pop up the compilation buffer. | |
296 | (setq outwin (display-buffer outbuf)) | |
55dfd2c4 | 297 | (set-buffer outbuf) |
55dfd2c4 | 298 | (compilation-mode) |
fad160d5 | 299 | (buffer-disable-undo (current-buffer)) |
e5d77022 | 300 | (setq buffer-read-only t) |
d3cb357b RM |
301 | (set (make-local-variable 'compilation-parse-errors-function) parser) |
302 | (set (make-local-variable 'compilation-error-message) error-message) | |
303 | (set (make-local-variable 'compilation-error-regexp-alist) regexp-alist) | |
304 | (setq default-directory thisdir | |
305 | compilation-directory-stack (list default-directory)) | |
55dfd2c4 | 306 | (set-window-start outwin (point-min)) |
d3cb357b | 307 | (setq mode-name name-of-mode) |
55dfd2c4 | 308 | (or (eq outwin (selected-window)) |
d3cb357b RM |
309 | (set-window-point outwin (point-min))) |
310 | (and compilation-window-height | |
f98955ea | 311 | (= (window-width outwin) (frame-width)) |
d3cb357b RM |
312 | (let ((w (selected-window))) |
313 | (unwind-protect | |
314 | (progn | |
315 | (select-window outwin) | |
316 | (enlarge-window (- compilation-window-height | |
317 | (window-height)))) | |
318 | (select-window w)))) | |
319 | ;; Start the compilation. | |
ebff767c RM |
320 | (let ((proc (start-process-shell-command (downcase mode-name) |
321 | outbuf | |
322 | command))) | |
323 | (set-process-sentinel proc 'compilation-sentinel) | |
ad62b7f1 | 324 | (set-process-filter proc 'compilation-filter) |
0e8ec8d0 | 325 | (set-marker (process-mark proc) (point) outbuf) |
ebff767c | 326 | (setq compilation-in-progress (cons proc compilation-in-progress)))) |
d3cb357b RM |
327 | ;; Make it so the next C-x ` will use this buffer. |
328 | (setq compilation-last-buffer outbuf))) | |
55dfd2c4 | 329 | |
0b18a8f6 | 330 | (defvar compilation-minor-mode-map |
55dfd2c4 RS |
331 | (let ((map (make-sparse-keymap))) |
332 | (define-key map "\C-c\C-c" 'compile-goto-error) | |
d3cb357b | 333 | (define-key map "\C-c\C-k" 'kill-compilation) |
646bd331 RM |
334 | (define-key map "\M-n" 'compilation-next-error) |
335 | (define-key map "\M-p" 'compilation-previous-error) | |
d1ed4475 RM |
336 | (define-key map "\M-{" 'compilation-previous-file) |
337 | (define-key map "\M-}" 'compilation-next-file) | |
55dfd2c4 | 338 | map) |
0b18a8f6 RM |
339 | "Keymap for compilation-minor-mode.") |
340 | ||
341 | (defvar compilation-mode-map | |
342 | (let ((map (cons 'keymap compilation-minor-mode-map))) | |
343 | (define-key map " " 'scroll-up) | |
344 | (define-key map "\^?" 'scroll-down) | |
345 | map) | |
346 | "Keymap for compilation log buffers. | |
347 | compilation-minor-mode-map is a cdr of this.") | |
55dfd2c4 RS |
348 | |
349 | (defun compilation-mode () | |
350 | "Major mode for compilation log buffers. | |
351 | \\<compilation-mode-map>To visit the source for a line-numbered error, | |
d3cb357b | 352 | move point to the error message line and type \\[compile-goto-error]. |
7c163413 RM |
353 | To kill the compilation, type \\[kill-compilation]. |
354 | ||
355 | Runs `compilation-mode-hook' with `run-hooks' (which see)." | |
55dfd2c4 RS |
356 | (interactive) |
357 | (fundamental-mode) | |
358 | (use-local-map compilation-mode-map) | |
0b18a8f6 RM |
359 | (setq major-mode 'compilation-mode |
360 | mode-name "Compilation") | |
361 | (compilation-setup) | |
362 | (run-hooks 'compilation-mode-hook)) | |
363 | ||
364 | ;; Prepare the buffer for the compilation parsing commands to work. | |
365 | (defun compilation-setup () | |
366 | ;; Make the buffer's mode line show process state. | |
d3cb357b RM |
367 | (setq mode-line-process '(": %s")) |
368 | (set (make-local-variable 'compilation-error-list) nil) | |
369 | (set (make-local-variable 'compilation-old-error-list) nil) | |
370 | (set (make-local-variable 'compilation-parsing-end) 1) | |
371 | (set (make-local-variable 'compilation-directory-stack) nil) | |
0b18a8f6 RM |
372 | (setq compilation-last-buffer (current-buffer))) |
373 | ||
374 | (defvar compilation-minor-mode nil | |
375 | "Non-nil when in compilation-minor-mode. | |
376 | In this minor mode, all the error-parsing commands of the | |
377 | Compilation major mode are available.") | |
378 | ||
379 | (or (assq 'compilation-minor-mode minor-mode-alist) | |
380 | (setq minor-mode-alist (cons '(compilation-minor-mode " Compilation") | |
381 | minor-mode-alist))) | |
382 | (or (assq 'compilation-minor-mode minor-mode-map-alist) | |
383 | (setq minor-mode-map-alist (cons '(compilation-minor-mode | |
384 | . compilation-minor-mode-map) | |
385 | minor-mode-map-alist))) | |
386 | ||
387 | (defun compilation-minor-mode (&optional arg) | |
388 | "Toggle compilation minor mode. | |
389 | With arg, turn compilation mode on if and only if arg is positive. | |
390 | See `compilation-mode'." | |
391 | (interactive "P") | |
392 | (if (setq compilation-minor-mode (if (null arg) | |
393 | (null compilation-minor-mode) | |
394 | (> (prefix-numeric-value arg) 0))) | |
395 | (compilation-setup))) | |
55dfd2c4 RS |
396 | |
397 | ;; Called when compilation process changes state. | |
55dfd2c4 | 398 | (defun compilation-sentinel (proc msg) |
d3cb357b RM |
399 | "Sentinel for compilation buffers." |
400 | (let ((buffer (process-buffer proc))) | |
ebff767c RM |
401 | (if (memq (process-status proc) '(signal exit)) |
402 | (progn | |
403 | (if (null (buffer-name buffer)) | |
404 | ;; buffer killed | |
405 | (set-process-buffer proc nil) | |
406 | (let ((obuf (current-buffer)) | |
407 | omax opoint) | |
408 | ;; save-excursion isn't the right thing if | |
409 | ;; process-buffer is current-buffer | |
410 | (unwind-protect | |
411 | (progn | |
412 | ;; Write something in the compilation buffer | |
413 | ;; and hack its mode line. | |
414 | (set-buffer buffer) | |
fdcba502 RS |
415 | (let ((buffer-read-only nil)) |
416 | (setq omax (point-max) | |
417 | opoint (point)) | |
418 | (goto-char omax) | |
419 | ;; Record where we put the message, so we can ignore it | |
420 | ;; later on. | |
421 | (insert ?\n mode-name " " msg) | |
422 | (forward-char -1) | |
423 | (insert " at " (substring (current-time-string) 0 19)) | |
424 | (forward-char 1) | |
425 | (setq mode-line-process | |
426 | (concat ": " | |
427 | (symbol-name (process-status proc)))) | |
428 | ;; Since the buffer and mode line will show that the | |
429 | ;; process is dead, we can delete it now. Otherwise it | |
430 | ;; will stay around until M-x list-processes. | |
431 | (delete-process proc) | |
432 | ;; Force mode line redisplay soon. | |
433 | (set-buffer-modified-p (buffer-modified-p))) | |
ebff767c | 434 | (if (and opoint (< opoint omax)) |
6c43f2f9 RS |
435 | (goto-char opoint)) |
436 | (if compilation-finish-function | |
437 | (funcall compilation-finish-function buffer msg))) | |
438 | (set-buffer obuf)))) | |
ebff767c RM |
439 | (setq compilation-in-progress (delq proc compilation-in-progress)) |
440 | )))) | |
55dfd2c4 | 441 | |
ad62b7f1 RM |
442 | (defun compilation-filter (proc string) |
443 | "Process filter for compilation buffers. | |
444 | Just inserts the text, but uses insert-before-markers." | |
445 | (save-excursion | |
446 | (set-buffer (process-buffer proc)) | |
447 | (let ((buffer-read-only nil)) | |
448 | (save-excursion | |
449 | (goto-char (process-mark proc)) | |
450 | (insert-before-markers string) | |
451 | (set-marker (process-mark proc) (point)))))) | |
452 | ||
b5bb472e RM |
453 | ;; Return the cdr of compilation-old-error-list for the error containing point. |
454 | (defun compile-error-at-point () | |
455 | (compile-reinitialize-errors nil (point)) | |
456 | (let ((errors compilation-old-error-list)) | |
457 | (while (and errors | |
458 | (> (point) (car (car errors)))) | |
459 | (setq errors (cdr errors))) | |
460 | errors)) | |
461 | ||
646bd331 RM |
462 | (defun compilation-next-error (n) |
463 | "Move point to the next error in the compilation buffer. | |
464 | Does NOT find the source line like \\[next-error]." | |
465 | (interactive "p") | |
466 | (or (compilation-buffer-p (current-buffer)) | |
467 | (error "Not in a compilation buffer.")) | |
468 | (setq compilation-last-buffer (current-buffer)) | |
b5bb472e RM |
469 | |
470 | (let ((errors (compile-error-at-point))) | |
471 | ||
472 | ;; Move to the error after the one containing point. | |
473 | (goto-char (car (if (< n 0) | |
474 | (let ((i 0) | |
475 | (e compilation-old-error-list)) | |
476 | ;; See how many cdrs away ERRORS is from the start. | |
477 | (while (not (eq e errors)) | |
478 | (setq i (1+ i) | |
479 | e (cdr e))) | |
480 | (if (> (- n) i) | |
481 | (error "Moved back past first error") | |
482 | (nth (+ i n) compilation-old-error-list))) | |
483 | (let ((compilation-error-list (cdr errors))) | |
484 | (compile-reinitialize-errors nil nil n) | |
485 | (if compilation-error-list | |
486 | (nth (1- n) compilation-error-list) | |
487 | (error "Moved past last error")))))))) | |
646bd331 RM |
488 | |
489 | (defun compilation-previous-error (n) | |
490 | "Move point to the previous error in the compilation buffer. | |
491 | Does NOT find the source line like \\[next-error]." | |
492 | (interactive "p") | |
493 | (compilation-next-error (- n))) | |
494 | ||
495 | ||
b5bb472e RM |
496 | (defun compile-file-of-error (data) |
497 | (setq data (cdr data)) | |
498 | (if (markerp data) | |
499 | (buffer-file-name (marker-buffer data)) | |
500 | (setq data (car data)) | |
501 | (expand-file-name (cdr data) (car data)))) | |
502 | ||
503 | (defun compilation-next-file (n) | |
504 | "Move point to the next error for a different file than the current one." | |
505 | (interactive "p") | |
506 | (or (compilation-buffer-p (current-buffer)) | |
507 | (error "Not in a compilation buffer.")) | |
508 | (setq compilation-last-buffer (current-buffer)) | |
509 | ||
510 | (let ((reversed (< n 0)) | |
511 | errors file) | |
512 | ||
513 | (if (not reversed) | |
514 | (setq errors (or (compile-error-at-point) | |
515 | (error "Moved past last error"))) | |
516 | ||
517 | ;; Get a reversed list of the errors up through the one containing point. | |
518 | (compile-reinitialize-errors nil (point)) | |
519 | (setq errors (reverse compilation-old-error-list) | |
520 | n (- n)) | |
521 | ||
522 | ;; Ignore errors after point. (car ERRORS) will be the error | |
523 | ;; containing point, (cadr ERRORS) the one before it. | |
524 | (while (and errors | |
525 | (< (point) (car (car errors)))) | |
526 | (setq errors (cdr errors)))) | |
527 | ||
528 | (while (> n 0) | |
529 | (setq file (compile-file-of-error (car errors))) | |
530 | ||
531 | ;; Skip past the other errors for this file. | |
532 | (while (string= file | |
533 | (compile-file-of-error | |
534 | (car (or errors | |
535 | (if reversed | |
9cac31b8 | 536 | (error "%s the first erring file" file) |
b5bb472e RM |
537 | (let ((compilation-error-list nil)) |
538 | ;; Parse some more. | |
539 | (compile-reinitialize-errors nil nil 2) | |
540 | (setq errors compilation-error-list))) | |
9cac31b8 | 541 | (error "%s is the last erring file" file))))) |
b5bb472e RM |
542 | (setq errors (cdr errors))) |
543 | ||
544 | (setq n (1- n))) | |
545 | ||
546 | ;; Move to the following error. | |
547 | (goto-char (car (car (or errors | |
548 | (if reversed | |
549 | (error "This is the first erring file") | |
550 | (let ((compilation-error-list nil)) | |
551 | ;; Parse the last one. | |
552 | (compile-reinitialize-errors nil nil 1) | |
553 | compilation-error-list)))))))) | |
554 | ||
555 | (defun compilation-previous-file (n) | |
556 | "Move point to the previous error for a different file than the current one." | |
557 | (interactive "p") | |
558 | (compilation-next-file (- n))) | |
559 | ||
560 | ||
55dfd2c4 RS |
561 | (defun kill-compilation () |
562 | "Kill the process made by the \\[compile] command." | |
563 | (interactive) | |
d3cb357b | 564 | (let ((buffer (compilation-find-buffer))) |
55dfd2c4 | 565 | (if (get-buffer-process buffer) |
d3cb357b RM |
566 | (interrupt-process (get-buffer-process buffer)) |
567 | (error "The compilation process is not running.")))) | |
568 | ||
55dfd2c4 | 569 | |
d3cb357b RM |
570 | ;; Parse any new errors in the compilation buffer, |
571 | ;; or reparse from the beginning if the user has asked for that. | |
c540863c | 572 | (defun compile-reinitialize-errors (argp &optional limit-search find-at-least) |
d3cb357b RM |
573 | (save-excursion |
574 | (set-buffer compilation-last-buffer) | |
575 | ;; If we are out of errors, or if user says "reparse", | |
576 | ;; discard the info we have, to force reparsing. | |
577 | (if (or (eq compilation-error-list t) | |
578 | (consp argp)) | |
579 | (progn (compilation-forget-errors) | |
580 | (setq compilation-parsing-end 1))) | |
c540863c | 581 | (if (and compilation-error-list |
b5bb472e RM |
582 | (or (not limit-search) |
583 | (> compilation-parsing-end limit-search)) | |
c540863c RM |
584 | (or (not find-at-least) |
585 | (> (length compilation-error-list) find-at-least))) | |
d3cb357b RM |
586 | ;; Since compilation-error-list is non-nil, it points to a specific |
587 | ;; error the user wanted. So don't move it around. | |
588 | nil | |
589 | (switch-to-buffer compilation-last-buffer) | |
55dfd2c4 | 590 | (set-buffer-modified-p nil) |
b5bb472e RM |
591 | (if (< compilation-parsing-end (point-max)) |
592 | (let ((at-start (= compilation-parsing-end 1))) | |
593 | (funcall compilation-parse-errors-function | |
594 | limit-search find-at-least) | |
595 | ;; Remember the entire list for compilation-forget-errors. | |
596 | ;; If this is an incremental parse, append to previous list. | |
597 | (if at-start | |
598 | (setq compilation-old-error-list compilation-error-list) | |
599 | (setq compilation-old-error-list | |
600 | (nconc compilation-old-error-list compilation-error-list))) | |
601 | ))))) | |
55dfd2c4 RS |
602 | |
603 | (defun compile-goto-error (&optional argp) | |
604 | "Visit the source for the error message point is on. | |
605 | Use this command in a compilation log buffer. | |
b2bb6ec8 | 606 | \\[universal-argument] as a prefix arg means to reparse the buffer's error messages first; |
55dfd2c4 RS |
607 | other kinds of prefix arguments are ignored." |
608 | (interactive "P") | |
d3cb357b RM |
609 | (or (compilation-buffer-p (current-buffer)) |
610 | (error "Not in a compilation buffer.")) | |
611 | (setq compilation-last-buffer (current-buffer)) | |
b2bb6ec8 | 612 | (compile-reinitialize-errors argp (point)) |
646bd331 | 613 | |
15d1a8da RM |
614 | ;; Move to bol; the marker for the error on this line will point there. |
615 | (beginning-of-line) | |
616 | ||
646bd331 | 617 | ;; Move compilation-error-list to the elt of compilation-old-error-list |
643f763f | 618 | ;; we want. |
646bd331 | 619 | (setq compilation-error-list compilation-old-error-list) |
643f763f RM |
620 | (while (and compilation-error-list |
621 | (> (point) (car (car compilation-error-list)))) | |
646bd331 RM |
622 | (setq compilation-error-list (cdr compilation-error-list))) |
623 | ||
55dfd2c4 RS |
624 | ;; Move to another window, so that next-error's window changes |
625 | ;; result in the desired setup. | |
626 | (or (one-window-p) | |
646bd331 RM |
627 | (progn |
628 | (other-window -1) | |
629 | ;; other-window changed the selected buffer, | |
630 | ;; but we didn't want to do that. | |
631 | (set-buffer compilation-last-buffer))) | |
632 | ||
643f763f | 633 | (next-error 1)) |
55dfd2c4 | 634 | |
d3cb357b RM |
635 | (defun compilation-buffer-p (buffer) |
636 | (assq 'compilation-error-list (buffer-local-variables buffer))) | |
637 | ||
638 | ;; Return a compilation buffer. | |
639 | ;; If the current buffer is a compilation buffer, return it. | |
640 | ;; If compilation-last-buffer is set to a live buffer, use that. | |
641 | ;; Otherwise, look for a compilation buffer and signal an error | |
642 | ;; if there are none. | |
4746118a JB |
643 | (defun compilation-find-buffer (&optional other-buffer) |
644 | (if (and (not other-buffer) | |
645 | (compilation-buffer-p (current-buffer))) | |
d3cb357b RM |
646 | ;; The current buffer is a compilation buffer. |
647 | (current-buffer) | |
4746118a JB |
648 | (if (and compilation-last-buffer (buffer-name compilation-last-buffer) |
649 | (or (not other-buffer) (not (eq compilation-last-buffer | |
650 | (current-buffer))))) | |
d3cb357b RM |
651 | compilation-last-buffer |
652 | (let ((buffers (buffer-list))) | |
4746118a JB |
653 | (while (and buffers (or (not (compilation-buffer-p (car buffers))) |
654 | (and other-buffer | |
655 | (eq (car buffers) (current-buffer))))) | |
d3cb357b RM |
656 | (setq buffers (cdr buffers))) |
657 | (if buffers | |
658 | (car buffers) | |
4746118a JB |
659 | (or (and other-buffer |
660 | (compilation-buffer-p (current-buffer)) | |
661 | ;; The current buffer is a compilation buffer. | |
662 | (progn | |
663 | (if other-buffer | |
664 | (message "This is the only compilation buffer.")) | |
665 | (current-buffer))) | |
666 | (error "No compilation started!"))))))) | |
d3cb357b RM |
667 | |
668 | ;;;###autoload | |
55dfd2c4 RS |
669 | (defun next-error (&optional argp) |
670 | "Visit next compilation error message and corresponding source code. | |
671 | This operates on the output from the \\[compile] command. | |
672 | If all preparsed error messages have been processed, | |
673 | the error message buffer is checked for new ones. | |
674 | ||
675 | A prefix arg specifies how many error messages to move; | |
676 | negative means move back to previous error messages. | |
677 | Just C-u as a prefix means reparse the error message buffer | |
678 | and start at the first error. | |
679 | ||
680 | \\[next-error] normally applies to the most recent compilation started, | |
681 | but as long as you are in the middle of parsing errors from one compilation | |
682 | output buffer, you stay with that compilation output buffer. | |
683 | ||
684 | Use \\[next-error] in a compilation output buffer to switch to | |
685 | processing errors from that compilation. | |
686 | ||
d3cb357b RM |
687 | See variables `compilation-parse-errors-function' and |
688 | \`compilation-error-regexp-alist' for customization ideas." | |
55dfd2c4 | 689 | (interactive "P") |
d3cb357b | 690 | (setq compilation-last-buffer (compilation-find-buffer)) |
bd3910fe RM |
691 | (compile-reinitialize-errors argp nil |
692 | ;; We want to pass a number here only if | |
693 | ;; we got a numeric prefix arg, not just C-u. | |
694 | (and (not (consp argp)) | |
695 | (1- (prefix-numeric-value argp)))) | |
d3cb357b RM |
696 | ;; Make ARGP nil if the prefix arg was just C-u, |
697 | ;; since that means to reparse the errors, which the | |
698 | ;; compile-reinitialize-errors call just did. | |
699 | ;; Now we are only interested in a numeric prefix arg. | |
55dfd2c4 RS |
700 | (if (consp argp) |
701 | (setq argp nil)) | |
d3cb357b RM |
702 | (let (next-errors next-error) |
703 | (save-excursion | |
704 | (set-buffer compilation-last-buffer) | |
643f763f RM |
705 | ;; compilation-error-list points to the "current" error. |
706 | (setq next-errors (nthcdr (1- (prefix-numeric-value argp)) | |
646bd331 | 707 | compilation-error-list) |
d3cb357b RM |
708 | next-error (car next-errors)) |
709 | (while | |
55dfd2c4 | 710 | (progn |
d3cb357b RM |
711 | (if (null next-error) |
712 | (progn | |
713 | (if argp (if (> (prefix-numeric-value argp) 0) | |
714 | (error "Moved past last error") | |
715 | (error "Moved back past first error"))) | |
716 | (compilation-forget-errors) | |
717 | (error (concat compilation-error-message | |
718 | (and (get-buffer-process (current-buffer)) | |
719 | (eq (process-status | |
720 | (get-buffer-process | |
721 | (current-buffer))) | |
722 | 'run) | |
723 | " yet")))) | |
724 | (setq compilation-error-list (cdr next-errors)) | |
725 | (if (null (cdr next-error)) | |
726 | ;; This error is boring. Go to the next. | |
727 | t | |
728 | (or (markerp (cdr next-error)) | |
729 | ;; This error has a filename/lineno pair. | |
730 | ;; Find the file and turn it into a marker. | |
731 | (let* ((fileinfo (car (cdr next-error))) | |
732 | (buffer (compilation-find-file (cdr fileinfo) | |
733 | (car fileinfo) | |
734 | (car next-error)))) | |
735 | (if (null buffer) | |
736 | ;; We can't find this error's file. | |
737 | ;; Remove all errors in the same file. | |
738 | (progn | |
739 | (setq next-errors compilation-old-error-list) | |
740 | (while next-errors | |
741 | (and (consp (cdr (car next-errors))) | |
742 | (equal (car (cdr (car next-errors))) | |
743 | fileinfo) | |
744 | (progn | |
745 | (set-marker (car (car next-errors)) nil) | |
746 | (setcdr (car next-errors) nil))) | |
747 | (setq next-errors (cdr next-errors))) | |
748 | ;; Look for the next error. | |
749 | t) | |
750 | ;; We found the file. Get a marker for this error. | |
bd3910fe RM |
751 | ;; compilation-old-error-list is a buffer-local |
752 | ;; variable, so we must be careful to extract its value | |
753 | ;; before switching to the source file buffer. | |
754 | (let ((errors compilation-old-error-list) | |
755 | (last-line (cdr (cdr next-error)))) | |
756 | (set-buffer buffer) | |
757 | (save-excursion | |
758 | (save-restriction | |
759 | (widen) | |
d3cb357b RM |
760 | (goto-line last-line) |
761 | (beginning-of-line) | |
762 | (setcdr next-error (point-marker)) | |
763 | ;; Make all the other error messages referring | |
764 | ;; to the same file have markers into the buffer. | |
765 | (while errors | |
766 | (and (consp (cdr (car errors))) | |
767 | (equal (car (cdr (car errors))) fileinfo) | |
768 | (let ((this (cdr (cdr (car errors)))) | |
769 | (lines (- (cdr (cdr (car errors))) | |
770 | last-line))) | |
771 | (if (eq selective-display t) | |
772 | (if (< lines 0) | |
773 | (re-search-backward "[\n\C-m]" | |
774 | nil 'end | |
775 | (- lines)) | |
776 | (re-search-forward "[\n\C-m]" | |
777 | nil 'end | |
778 | lines)) | |
779 | (forward-line lines)) | |
780 | (setq last-line this) | |
781 | (setcdr (car errors) (point-marker)))) | |
782 | (setq errors (cdr errors))))))))) | |
783 | ;; If we didn't get a marker for this error, | |
784 | ;; go on to the next one. | |
785 | (not (markerp (cdr next-error)))))) | |
786 | (setq next-errors compilation-error-list | |
787 | next-error (car next-errors)))) | |
788 | ||
789 | ;; Skip over multiple error messages for the same source location, | |
790 | ;; so the next C-x ` won't go to an error in the same place. | |
791 | (while (and compilation-error-list | |
792 | (equal (cdr (car compilation-error-list)) (cdr next-error))) | |
793 | (setq compilation-error-list (cdr compilation-error-list))) | |
794 | ||
795 | ;; We now have a marker for the position of the error. | |
796 | (switch-to-buffer (marker-buffer (cdr next-error))) | |
797 | (goto-char (cdr next-error)) | |
798 | ;; If narrowing got in the way of | |
799 | ;; going to the right place, widen. | |
800 | (or (= (point) (marker-position (cdr next-error))) | |
801 | (progn | |
802 | (widen) | |
803 | (goto-char (cdr next-error)))) | |
804 | ||
55dfd2c4 RS |
805 | ;; Show compilation buffer in other window, scrolled to this error. |
806 | (let* ((pop-up-windows t) | |
807 | (w (display-buffer (marker-buffer (car next-error))))) | |
808 | (set-window-point w (car next-error)) | |
d3cb357b RM |
809 | (set-window-start w (car next-error))))) |
810 | ||
811 | ;;;###autoload | |
812 | (define-key ctl-x-map "`" 'next-error) | |
813 | ||
814 | ;; Find a buffer for file FILENAME. | |
815 | ;; Search the directories in compilation-search-path. | |
816 | ;; A nil in compilation-search-path means to try the | |
817 | ;; current directory, which is passed in DIR. | |
818 | ;; If FILENAME is not found at all, ask the user where to find it. | |
819 | ;; Pop up the buffer containing MARKER and scroll to MARKER if we ask the user. | |
820 | (defun compilation-find-file (filename dir marker) | |
821 | (let ((dirs compilation-search-path) | |
822 | result name) | |
823 | (while (and dirs (null result)) | |
824 | (setq name (expand-file-name filename (or (car dirs) dir)) | |
825 | result (and (file-exists-p name) | |
826 | (find-file-noselect name)) | |
827 | dirs (cdr dirs))) | |
828 | (or result | |
829 | ;; The file doesn't exist. | |
830 | ;; Ask the user where to find it. | |
831 | ;; If he hits C-g, then the next time he does | |
832 | ;; next-error, he'll skip past it. | |
833 | (progn | |
834 | (let* ((pop-up-windows t) | |
835 | (w (display-buffer (marker-buffer marker)))) | |
836 | (set-window-point w marker) | |
837 | (set-window-start w marker)) | |
838 | (setq name | |
839 | (expand-file-name | |
840 | (read-file-name | |
841 | (format "Find this error in: (default %s) " | |
842 | filename) dir filename t))) | |
843 | (if (file-directory-p name) | |
844 | (setq name (concat (file-name-as-directory name) filename))) | |
845 | (if (file-exists-p name) | |
846 | (find-file-noselect name)))))) | |
847 | ||
848 | ;; Set compilation-error-list to nil, and unchain the markers that point to the | |
849 | ;; error messages and their text, so that they no longer slow down gap motion. | |
850 | ;; This would happen anyway at the next garbage collection, but it is better to | |
646bd331 | 851 | ;; do it right away. |
55dfd2c4 RS |
852 | (defun compilation-forget-errors () |
853 | (while compilation-old-error-list | |
854 | (let ((next-error (car compilation-old-error-list))) | |
855 | (set-marker (car next-error) nil) | |
d3cb357b RM |
856 | (if (markerp (cdr next-error)) |
857 | (set-marker (cdr next-error) nil))) | |
55dfd2c4 | 858 | (setq compilation-old-error-list (cdr compilation-old-error-list))) |
bd3910fe RM |
859 | (setq compilation-error-list nil |
860 | compilation-directory-stack nil)) | |
d3cb357b RM |
861 | |
862 | ||
863 | (defun count-regexp-groupings (regexp) | |
864 | "Return the number of \\( ... \\) groupings in REGEXP (a string)." | |
865 | (let ((groupings 0) | |
866 | (len (length regexp)) | |
867 | (i 0) | |
868 | c) | |
869 | (while (< i len) | |
870 | (setq c (aref regexp i) | |
871 | i (1+ i)) | |
872 | (cond ((= c ?\[) | |
873 | ;; Find the end of this [...]. | |
874 | (while (and (< i len) | |
875 | (not (= (aref regexp i) ?\]))) | |
876 | (setq i (1+ i)))) | |
877 | ((= c ?\\) | |
878 | (if (< i len) | |
879 | (progn | |
880 | (setq c (aref regexp i) | |
881 | i (1+ i)) | |
882 | (if (= c ?\)) | |
883 | ;; We found the end of a grouping, | |
884 | ;; so bump our counter. | |
885 | (setq groupings (1+ groupings)))))))) | |
886 | groupings)) | |
55dfd2c4 | 887 | |
c540863c | 888 | (defun compilation-parse-errors (limit-search find-at-least) |
55dfd2c4 | 889 | "Parse the current buffer as grep, cc or lint error messages. |
d3cb357b | 890 | See variable `compilation-parse-errors-function' for the interface it uses." |
55dfd2c4 RS |
891 | (setq compilation-error-list nil) |
892 | (message "Parsing error messages...") | |
893 | (let (text-buffer | |
d3cb357b | 894 | regexp enter-group leave-group error-group |
b2bb6ec8 | 895 | alist subexpr error-regexp-groups |
c540863c | 896 | (found-desired nil) |
6c43f2f9 | 897 | (compilation-num-errors-found 0)) |
d3cb357b | 898 | |
55dfd2c4 RS |
899 | ;; Don't reparse messages already seen at last parse. |
900 | (goto-char compilation-parsing-end) | |
901 | ;; Don't parse the first two lines as error messages. | |
902 | ;; This matters for grep. | |
903 | (if (bobp) | |
904 | (forward-line 2)) | |
d3cb357b RM |
905 | |
906 | ;; Compile all the regexps we want to search for into one. | |
907 | (setq regexp (concat "\\(" compilation-enter-directory-regexp "\\)\\|" | |
908 | "\\(" compilation-leave-directory-regexp "\\)\\|" | |
909 | "\\(" (mapconcat (function | |
910 | (lambda (elt) | |
911 | (concat "\\(" (car elt) "\\)"))) | |
912 | compilation-error-regexp-alist | |
913 | "\\|") "\\)")) | |
914 | ||
915 | ;; Find out how many \(...\) groupings are in each of the regexps, and set | |
916 | ;; *-GROUP to the grouping containing each constituent regexp (whose | |
917 | ;; subgroups will come immediately thereafter) of the big regexp we have | |
918 | ;; just constructed. | |
919 | (setq enter-group 1 | |
920 | leave-group (+ enter-group | |
921 | (count-regexp-groupings | |
922 | compilation-enter-directory-regexp) | |
923 | 1) | |
924 | error-group (+ leave-group | |
925 | (count-regexp-groupings | |
926 | compilation-leave-directory-regexp) | |
927 | 1)) | |
928 | ||
929 | ;; Compile an alist (IDX FILE LINE), where IDX is the number of the | |
930 | ;; subexpression for an entire error-regexp, and FILE and LINE are the | |
931 | ;; numbers for the subexpressions giving the file name and line number. | |
d4035a26 RM |
932 | (setq alist (or compilation-error-regexp-alist |
933 | (error "compilation-error-regexp-alist is empty!")) | |
d3cb357b RM |
934 | subexpr (1+ error-group)) |
935 | (while alist | |
936 | (setq error-regexp-groups (cons (list subexpr | |
937 | (+ subexpr (nth 1 (car alist))) | |
938 | (+ subexpr (nth 2 (car alist)))) | |
939 | error-regexp-groups)) | |
940 | (setq subexpr (+ subexpr 1 (count-regexp-groupings (car (car alist))))) | |
941 | (setq alist (cdr alist))) | |
942 | ||
646bd331 | 943 | (while (and (not found-desired) |
b2bb6ec8 RM |
944 | ;; We don't just pass LIMIT-SEARCH to re-search-forward |
945 | ;; because we want to find matches containing LIMIT-SEARCH | |
946 | ;; but which extend past it. | |
646bd331 | 947 | (re-search-forward regexp nil t)) |
dadb11fb | 948 | |
d3cb357b RM |
949 | ;; Figure out which constituent regexp matched. |
950 | (cond ((match-beginning enter-group) | |
951 | ;; The match was the enter-directory regexp. | |
952 | (let ((dir | |
953 | (file-name-as-directory | |
954 | (expand-file-name | |
955 | (buffer-substring (match-beginning (+ enter-group 1)) | |
956 | (match-end (+ enter-group 1))))))) | |
957 | (setq compilation-directory-stack | |
958 | (cons dir compilation-directory-stack)) | |
959 | (and (file-directory-p dir) | |
960 | (setq default-directory dir)))) | |
961 | ||
962 | ((match-beginning leave-group) | |
963 | ;; The match was the leave-directory regexp. | |
964 | (let ((beg (match-beginning (+ leave-group 1))) | |
965 | (stack compilation-directory-stack)) | |
966 | (if beg | |
967 | (let ((dir | |
968 | (file-name-as-directory | |
969 | (expand-file-name | |
970 | (buffer-substring beg | |
971 | (match-end (+ leave-group | |
972 | 1))))))) | |
973 | (while (and stack | |
974 | (not (string-equal (car stack) dir))) | |
975 | (setq stack (cdr stack))))) | |
976 | (setq compilation-directory-stack (cdr stack)) | |
977 | (setq stack (car compilation-directory-stack)) | |
978 | (if stack | |
979 | (setq default-directory stack)) | |
980 | )) | |
981 | ||
982 | ((match-beginning error-group) | |
983 | ;; The match was the composite error regexp. | |
984 | ;; Find out which individual regexp matched. | |
985 | (setq alist error-regexp-groups) | |
986 | (while (and alist | |
987 | (null (match-beginning (car (car alist))))) | |
988 | (setq alist (cdr alist))) | |
989 | (if alist | |
990 | (setq alist (car alist)) | |
d4035a26 | 991 | (error "compilation-parse-errors: impossible regexp match!")) |
d3cb357b RM |
992 | |
993 | ;; Extract the file name and line number from the error message. | |
1f82d0e4 RM |
994 | (let ((beginning-of-match (match-beginning 0)) ;looking-at nukes |
995 | (filename | |
d3cb357b RM |
996 | (cons default-directory |
997 | (buffer-substring (match-beginning (nth 1 alist)) | |
998 | (match-end (nth 1 alist))))) | |
999 | (linenum (save-restriction | |
1000 | (narrow-to-region | |
1001 | (match-beginning (nth 2 alist)) | |
1002 | (match-end (nth 2 alist))) | |
1003 | (goto-char (point-min)) | |
1004 | (if (looking-at "[0-9]") | |
1005 | (read (current-buffer)))))) | |
1006 | ;; Locate the erring file and line. | |
1007 | ;; Cons a new elt onto compilation-error-list, | |
1008 | ;; giving a marker for the current compilation buffer | |
1009 | ;; location, and the file and line number of the error. | |
1010 | (save-excursion | |
1011 | (beginning-of-line 1) | |
1012 | (setq compilation-error-list | |
1013 | (cons (cons (point-marker) | |
1014 | (cons filename linenum)) | |
1f82d0e4 RM |
1015 | compilation-error-list))) |
1016 | (setq compilation-num-errors-found | |
1017 | (1+ compilation-num-errors-found)) | |
1018 | (and find-at-least (>= compilation-num-errors-found | |
1019 | find-at-least) | |
1020 | ;; We have found as many new errors as the user wants. | |
1021 | ;; We continue to parse until we have seen all | |
1022 | ;; the consecutive errors in the same file, | |
1023 | ;; so the error positions will be recorded as markers | |
1024 | ;; in this buffer that might change. | |
1025 | (cdr compilation-error-list) ; Must check at least two. | |
1026 | (not (equal (car (cdr (nth 0 compilation-error-list))) | |
1027 | (car (cdr (nth 1 compilation-error-list))))) | |
1028 | (progn | |
1029 | ;; Discard the error just parsed, so that the next | |
1030 | ;; parsing run can get it and the following errors in | |
1031 | ;; the same file all at once. If we didn't do this, we | |
1032 | ;; would have the same problem we are trying to avoid | |
1033 | ;; with the test above, just delayed until the next run! | |
1034 | (setq compilation-error-list | |
1035 | (cdr compilation-error-list)) | |
1036 | (goto-char beginning-of-match) | |
1037 | (setq found-desired t))) | |
1038 | ) | |
41acdfa9 | 1039 | ) |
d3cb357b | 1040 | (t |
d4035a26 | 1041 | (error "compilation-parse-errors: known groups didn't match!"))) |
dadb11fb RM |
1042 | |
1043 | (message "Parsing error messages...%d (%d%% of buffer)" | |
6c43f2f9 | 1044 | compilation-num-errors-found |
dadb11fb RM |
1045 | (/ (* 100 (point)) (point-max))) |
1046 | ||
b2bb6ec8 RM |
1047 | (and limit-search (>= (point) limit-search) |
1048 | ;; The user wanted a specific error, and we're past it. | |
1049 | (setq found-desired t))) | |
c540863c RM |
1050 | (setq compilation-parsing-end (if found-desired |
1051 | (point) | |
1052 | ;; We have searched the whole buffer. | |
1053 | (point-max)))) | |
1054 | (setq compilation-error-list (nreverse compilation-error-list)) | |
1055 | (message "Parsing error messages...done")) | |
55dfd2c4 | 1056 | |
55dfd2c4 | 1057 | (define-key ctl-x-map "`" 'next-error) |
4746118a JB |
1058 | |
1059 | (provide 'compile) | |
fad160d5 ER |
1060 | |
1061 | ;;; compile.el ends here |