1 ;;; compile.el --- run compiler as inferior of Emacs, parse error messages
3 ;; Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 ;; 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
6 ;; Authors: Roland McGrath <roland@gnu.org>,
7 ;; Daniel Pfeiffer <occitan@esperanto.org>
9 ;; Keywords: tools, processes
11 ;; This file is part of GNU Emacs.
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)
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.
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 the
25 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
26 ;; Boston, MA 02111-1307, USA.
30 ;; This package provides the compile facilities documented in the Emacs user's
33 ;; This mode uses some complex data-structures:
35 ;; LOC (or location) is a list of (COLUMN LINE FILE-STRUCTURE)
37 ;; COLUMN and LINE are numbers parsed from an error message. COLUMN and maybe
38 ;; LINE will be nil for a message that doesn't contain them. Then the
39 ;; location refers to a indented beginning of line or beginning of file.
40 ;; Once any location in some file has been jumped to, the list is extended to
41 ;; (COLUMN LINE FILE-STRUCTURE MARKER . VISITED) for all LOCs pertaining to
43 ;; MARKER initially points to LINE and COLUMN in a buffer visiting that file.
44 ;; Being a marker it sticks to some text, when the buffer grows or shrinks
45 ;; before that point. VISITED is t if we have jumped there, else nil.
47 ;; FILE-STRUCTURE is a list of
48 ;; ((FILENAME . DIRECTORY) FORMATS (LINE LOC ...) ...)
50 ;; FILENAME is a string parsed from an error message. DIRECTORY is a string
51 ;; obtained by following directory change messages. DIRECTORY will be nil for
52 ;; an absolute filename. FORMATS is a list of formats to apply to FILENAME if
53 ;; a file of that name can't be found.
54 ;; The rest of the list is an alist of elements with LINE as key. The keys
55 ;; are either nil or line numbers. If present, nil comes first, followed by
56 ;; the numbers in decreasing order. The LOCs for each line are again an alist
57 ;; ordered the same way. Note that the whole file structure is referenced in
60 ;; MESSAGE is a list of (LOC TYPE END-LOC)
62 ;; TYPE is 0 for info or 1 for warning if the message matcher identified it as
63 ;; such, 2 otherwise (for a real error). END-LOC is a LOC pointing to the
64 ;; other end, if the parsed message contained a range. If the end of the
65 ;; range didn't specify a COLUMN, it defaults to -1, meaning end of line.
66 ;; These are the value of the `message' text-properties in the compilation
71 (eval-when-compile (require 'cl))
73 (defgroup compilation nil
74 "Run compiler as inferior of Emacs, parse error messages."
80 (defcustom compilation-mode-hook nil
81 "*List of hook functions run by `compilation-mode' (see `run-hooks')."
86 (defcustom compilation-window-height nil
87 "*Number of lines in a compilation window. If nil, use Emacs default."
88 :type '(choice (const :tag "Default" nil)
92 (defvar compilation-first-column 1
93 "*This is how compilers number the first column, usually 1 or 0.")
95 (defvar compilation-parse-errors-filename-function nil
96 "Function to call to post-process filenames while parsing error messages.
97 It takes one arg FILENAME which is the name of a file as found
98 in the compilation output, and should return a transformed file name.")
101 (defvar compilation-process-setup-function nil
102 "*Function to call to customize the compilation process.
103 This function is called immediately before the compilation process is
104 started. It can be used to set any variables or functions that are used
105 while processing the output of the compilation process. The function
106 is called with variables `compilation-buffer' and `compilation-window'
107 bound to the compilation buffer and window, respectively.")
110 (defvar compilation-buffer-name-function nil
111 "Function to compute the name of a compilation buffer.
112 The function receives one argument, the name of the major mode of the
113 compilation buffer. It should return a string.
114 nil means compute the name with `(concat \"*\" (downcase major-mode) \"*\")'.")
117 (defvar compilation-finish-function nil
118 "Function to call when a compilation process finishes.
119 It is called with two arguments: the compilation buffer, and a string
120 describing how the process finished.")
123 (defvar compilation-finish-functions nil
124 "Functions to call when a compilation process finishes.
125 Each function is called with two arguments: the compilation buffer,
126 and a string describing how the process finished.")
128 (defvar compilation-in-progress nil
129 "List of compilation processes now running.")
130 (or (assq 'compilation-in-progress minor-mode-alist)
131 (setq minor-mode-alist (cons '(compilation-in-progress " Compiling")
134 (defvar compilation-error "error"
135 "Stem of message to print when no matches are found.")
137 (defvar compilation-arguments nil
138 "Arguments that were given to `compilation-start'.")
140 (defvar compilation-num-errors-found)
142 (defconst compilation-error-regexp-alist-alist
144 "^\\(?:[Ee]rror on \\|[Ww]arning on\\( \\)\\)?[Ll]ine[ \t]+\\([0-9]+\\)[ \t]+\
145 of[ \t]+\"?\\([a-zA-Z]?:?[^\":\n]+\\)\"?:" 3 2 nil (1))
148 "\\(warning: .*\\)? at \\([^ \n]+\\):\\([0-9]+\\)$" 2 3 nil (1))
151 " in line \\([0-9]+\\) of file \\([^ \n]+[^. \n]\\)\\.? " 2 1)
154 "^[ \t]*\\[[^] \n]+\\][ \t]*\\([^: \n]+\\):\\([0-9]+\\):\\(?:\\([0-9]+\\):[0-9]+:[0-9]+:\\)?\
155 \\( warning\\)?" 1 2 3 (4))
158 "^\\([^: \n\t]+\\): line \\([0-9]+\\):" 1 2)
161 "^\\(?:Error\\|Warnin\\(g\\)\\) \\(?:[FEW][0-9]+ \\)?\
162 \\([a-zA-Z]?:?[^:( \t\n]+\\)\
163 \\([0-9]+\\)\\(?:[) \t]\\|:[^0-9\n]\\)" 2 3 nil (1))
166 "^ *File \\(\"?\\)\\([^,\" \n\t<>]+\\)\\1, lines? \\([0-9]+\\)-?\\([0-9]+\\)?\\(?:$\\|,\
167 \\(?: characters? \\([0-9]+\\)-?\\([0-9]+\\)?:\\)?\\([ \n]Warning:\\)?\\)"
168 2 (3 . 4) (5 . 6) (7))
171 "^\"\\([^,\" \n\t]+\\)\", line \\([0-9]+\\)\
172 \\(?:[(. pos]+\\([0-9]+\\))?\\)?[:.,; (-]\\( warning:\\|[-0-9 ]*(W)\\)?" 1 2 3 (4))
175 "^\\([^ \n]+\\)(\\([0-9]+\\)): \\(?:error\\|warnin\\(g\\)\\|remar\\(k\\)\\)"
178 "at line \\([0-9]+\\) of \"\\([^ \n]+\\)\"$"
182 "^Error [0-9]+ at (\\([0-9]+\\):\\([^)\n]+\\))" 2 1)
185 "\\(^Warning .*\\)? line[ \n]\\([0-9]+\\)[ \n]\\(?:col \\([0-9]+\\)[ \n]\\)?file \\([^ :;\n]+\\)"
189 "^\"\\(.*\\)\",\\([0-9]+\\)\\s-+\\(?:Error\\|Warnin\\(g\\)\\)\\[[0-9]+\\]:"
193 "^\\([^( \n\t]+\\)(\\([0-9]+\\):\\([0-9]+\\)) :\
194 \\(?:warnin\\(g\\)\\|informationa\\(l\\)\\)?" 1 2 3 (4 . 5))
196 ;; fixme: should be `mips'
198 "^[-[:alnum:]_/ ]+: \\(?:\\(?:[sS]evere\\|[eE]rror\\|[wW]arnin\\(g\\)\\|[iI]nf\\(o\\)\\)[0-9 ]*: \\)?\
199 \\([^,\" \n\t]+\\)\\(?:, line\\|:\\) \\([0-9]+\\):" 3 4 nil (1 . 2))
202 "^\\(?:[ \t]+at \\|==[0-9]+== +\\(?:at\\|b\\(y\\)\\)\\).+(\\([^()\n]+\\):\\([0-9]+\\))$" 2 3 nil (1))
205 "^\\(?:Found\\|Issued\\) .* compiling \"\\(.+\\)\":$" 1 nil nil 0)
207 "^ *\\([0-9]+\\)\\.[ \t]+.*\n +\\(<-*>\n\\*\\*\\* \\(?:Error\\|Warnin\\(g\\)\\)\\)"
209 (2 (compilation-face '(3))))
212 "^\\(?:In file included\\| \\) from \
213 \\(.+\\):\\([0-9]+\\)\\(?:\\(:\\)\\|\\(,\\)\\)?" 1 2 nil (3 . 4))
216 "^\\(?:[[:alpha:]][-[:alnum:].]+: ?\\)?\
217 \\([/.]*[a-zA-Z]:?[^ \t\n:]*\\|{standard input}\\): ?\
218 \\([0-9]+\\)\\([.:]?\\)\\([0-9]+\\)?\
219 \\(?:-\\(?:\\([0-9]+\\)\\3\\)?\\.?\\([0-9]+\\)?\\)?:\
220 \\(?: *\\(\\(?:Future\\|Runtime\\)?[Ww]arning\\|W:\\)\\|\
221 *\\([Ii]nfo\\(?:\\>\\|rmationa?l?\\)\\|I:\\)\\)?"
222 1 (2 . 5) (4 . 6) (7 . 8))
225 "^\\(?:E\\|\\(W\\)\\), \\([^(\n]+\\)(\\([0-9]+\\),[ \t]*\\([0-9]+\\)"
229 "^makepp: \\(?:\\(?:warning\\(:\\).*?\\|\\(Scanning\\|[LR]e?l?oading makefile\\) \\|.*?\\)\
230 `\\(\\(\\S +?\\)\\(?::\\([0-9]+\\)\\)?\\)'\\)"
232 ("`\\(\\(\\S +?\\)\\(?::\\([0-9]+\\)\\)?\\)'" nil nil
233 (2 compilation-info-face)
234 (3 compilation-line-face nil t)
235 (1 (compilation-error-properties 2 3 nil nil nil 0 nil)
238 ;; Should be lint-1, lint-2 (SysV lint)
240 " (\\([0-9]+\\)) in \\([^ \n]+\\)" 2 1)
242 " in \\([^()\n ]+\\)(\\([0-9]+\\))$" 1 2)
245 "^\\(\\(?:[a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\)) \
246 : \\(?:error\\|warnin\\(g\\)\\) C[0-9]+:" 1 2 nil (3))
249 "^\\(?:Semantic error\\|Error\\|PCC-[0-9]+:\\).* line \\([0-9]+\\)\
250 \\(?:\\(?:,\\| at\\)? column \\([0-9]+\\)\\)?\
251 \\(?:,\\| in\\| of\\)? file \\(.*?\\):?$"
255 " at \\([^ \n]+\\) line \\([0-9]+\\)\\(?:[,.]\\|$\\)" 1 2)
258 "^\\(?:Error\\|Warnin\\(g\\)\\):.*\n.* line \\([0-9]+\\) char\
259 \\([0-9]+\\) of file://\\(.+\\)"
263 "^\\w\\w\\w \\w\\w\\w +[0-3]?[0-9] +[0-2][0-9]:[0-5][0-9]:[0-5][0-9]\
264 [12][09][0-9][0-9] +\\(.*\\):$"
267 "^\\(\\(?:E\\|\\(w\\)\\) +[0-9]+\\) line \\([0-9]+\\) - "
268 nil 3 nil (2) nil (1 (compilation-face '(2))))
269 (sparc-pascal-example
270 "^ +\\([0-9]+\\) +.*\n\\(\\(?:e\\|\\(w\\)\\) [0-9]+\\)-+"
271 nil 1 nil (3) nil (2 (compilation-face '(3))))
274 ": \\(?:ERROR\\|WARNIN\\(G\\)\\|REMAR\\(K\\)\\) \\(?:[[:alnum:] ]+, \\)?\
275 File = \\(.+\\), Line = \\([0-9]+\\)\\(?:, Column = \\([0-9]+\\)\\)?"
279 "^\\([^, \n\t]+\\), line \\([0-9]+\\), char \\([0-9]+\\)[:., \(-]" 1 2 3)
282 "\\(?:^\\|:: \\|\\S ( \\)\\(/[^ \n\t()]+\\)(\\([0-9]+\\))\
283 \\(?:: \\(warning:\\)?\\|$\\| ),\\)" 1 2 nil (3))
286 "^ +-: \\(0\\):Source:\\(.+\\)$" 2 1 nil 0)
288 "^ +-: \\(0\\):Object:\\(?:.+\\)$" nil 1 nil 0)
289 (gcov-never-called-line
290 "^ +\\(#####\\): +\\([0-9]+\\):.+$" nil 2 nil 2 nil
291 (1 compilation-error-face))
293 "^ +[-0-9]+: +\\([1-9]\\|[0-9]\\{2,\\}\\):.*$" nil 1 nil 0)
295 "Alist of values for `compilation-error-regexp-alist'.")
297 (defcustom compilation-error-regexp-alist
298 (mapcar 'car compilation-error-regexp-alist-alist)
299 "Alist that specifies how to match errors in compiler output.
300 Note that on Unix everything is a valid filename, so these
301 matchers must make some common sense assumptions, which catch
302 normal cases. A shorter list will be lighter on resource usage.
304 Instead of an alist element, you can use a symbol, which is
305 looked up in `compilation-error-regexp-alist-alist'. You can see
306 the predefined symbols and their effects in the file
307 `etc/compilation.txt' (linked below if you are customizing this).
309 Each elt has the form (REGEXP FILE [LINE COLUMN TYPE HYPERLINK
310 HIGHLIGHT...]). If REGEXP matches, the FILE'th subexpression
311 gives the file name, and the LINE'th subexpression gives the line
312 number. The COLUMN'th subexpression gives the column number on
315 If FILE, LINE or COLUMN are nil or that index didn't match, that
316 information is not present on the matched line. In that case the
317 file name is assumed to be the same as the previous one in the
318 buffer, line number defaults to 1 and column defaults to
319 beginning of line's indentation.
321 FILE can also have the form (FILE FORMAT...), where the FORMATs
322 \(e.g. \"%s.c\") will be applied in turn to the recognized file
323 name, until a file of that name is found. Or FILE can also be a
324 function to return the filename.
326 LINE can also be of the form (LINE . END-LINE) meaning a range
327 of lines. COLUMN can also be of the form (COLUMN . END-COLUMN)
328 meaning a range of columns starting on LINE and ending on
329 END-LINE, if that matched.
331 TYPE is 2 or nil for a real error or 1 for warning or 0 for info.
332 TYPE can also be of the form (WARNING . INFO). In that case this
333 will be equivalent to 1 if the WARNING'th subexpression matched
334 or else equivalent to 0 if the INFO'th subexpression matched.
335 See `compilation-error-face', `compilation-warning-face',
336 `compilation-info-face' and `compilation-skip-threshold'.
338 What matched the HYPERLINK'th subexpression has `mouse-face' and
339 `compilation-message-face' applied. If this is nil, the text
340 matched by the whole REGEXP becomes the hyperlink.
342 Additional HIGHLIGHTs as described under `font-lock-keywords' can
344 :type `(set :menu-tag "Pick"
345 ,@(mapcar (lambda (elt)
346 (list 'const (car elt)))
347 compilation-error-regexp-alist-alist))
348 :link `(file-link :tag "example file"
349 ,(expand-file-name "compilation.txt" data-directory))
352 (defvar compilation-directory nil
353 "Directory to restore to when doing `recompile'.")
355 (defvar compilation-directory-matcher
356 '("\\(?:Entering\\|Leavin\\(g\\)\\) directory `\\(.+\\)'$" (2 . 1))
357 "A list for tracking when directories are entered or left.
358 Nil means not to track directories, e.g. if all file names are absolute. The
359 first element is the REGEXP matching these messages. It can match any number
360 of variants, e.g. different languages. The remaining elements are all of the
361 form (DIR . LEAVE). If for any one of these the DIR'th subexpression
362 matches, that is a directory name. If LEAVE is nil or the corresponding
363 LEAVE'th subexpression doesn't match, this message is about going into another
364 directory. If it does match anything, this message is about going back to the
365 directory we were in before the last entering message. If you change this,
366 you may also want to change `compilation-page-delimiter'.")
368 (defvar compilation-page-delimiter
369 "^\\(?:\f\\|.*\\(?:Entering\\|Leaving\\) directory `.+'\n\\)+"
370 "Value of `page-delimiter' in Compilation mode.")
372 (defvar compilation-mode-font-lock-keywords
373 '(;; configure output lines.
374 ("^[Cc]hecking \\(?:[Ff]or \\|[Ii]f \\|[Ww]hether \\(?:to \\)?\\)?\\(.+\\)\\.\\.\\. *\\(?:(cached) *\\)?\\(\\(yes\\(?: .+\\)?\\)\\|no\\|\\(.*\\)\\)$"
375 (1 font-lock-variable-name-face)
376 (2 (compilation-face '(4 . 3))))
377 ;; Command output lines. Recognize `make[n]:' lines too.
378 ("^\\([[:alnum:]_/.+-]+\\)\\(\\[\\([0-9]+\\)\\]\\)?[ \t]*:"
379 (1 font-lock-function-name-face) (3 compilation-line-face nil t))
380 (" --?o\\(?:utfile\\|utput\\)?[= ]?\\(\\S +\\)" . 1)
381 ("^Compilation finished" . compilation-info-face)
382 ("^Compilation exited abnormally" . compilation-error-face))
383 "Additional things to highlight in Compilation mode.
384 This gets tacked on the end of the generated expressions.")
386 (defvar compilation-highlight-regexp t
387 "Regexp matching part of visited source lines to highlight temporarily.
388 Highlight entire line if t; don't highlight source lines if nil.")
390 (defvar compilation-highlight-overlay nil
391 "Overlay used to temporarily highlight compilation matches.")
393 (defcustom compilation-error-screen-columns t
394 "*If non-nil, column numbers in error messages are screen columns.
395 Otherwise they are interpreted as character positions, with
396 each character occupying one column.
397 The default is to use screen columns, which requires that the compilation
398 program and Emacs agree about the display width of the characters,
399 especially the TAB character."
404 (defcustom compilation-read-command t
405 "*Non-nil means \\[compile] reads the compilation command to use.
406 Otherwise, \\[compile] just uses the value of `compile-command'."
411 (defcustom compilation-ask-about-save t
412 "*Non-nil means \\[compile] asks which buffers to save before compiling.
413 Otherwise, it saves all modified buffers without asking."
418 (defcustom compilation-search-path '(nil)
419 "*List of directories to search for source files named in error messages.
420 Elements should be directory names, not file names of directories.
421 nil as an element means to try the default directory."
422 :type '(repeat (choice (const :tag "Default" nil)
423 (string :tag "Directory")))
426 (defcustom compile-command "make -k "
427 "*Last shell command used to do a compilation; default for next compilation.
429 Sometimes it is useful for files to supply local values for this variable.
430 You might also use mode hooks to specify it in certain modes, like this:
432 (add-hook 'c-mode-hook
434 (unless (or (file-exists-p \"makefile\")
435 (file-exists-p \"Makefile\"))
436 (set (make-local-variable 'compile-command)
438 (file-name-sans-extension buffer-file-name))))))"
442 ;; A weak per-compilation-buffer hash indexed by (FILENAME . DIRECTORY). Each
443 ;; value is a FILE-STRUCTURE as described above, with the car eq to the hash
444 ;; key. This holds the tree seen from root, for storing new nodes.
445 (defvar compilation-locs ())
447 (defvar compilation-debug nil
448 "*Set this to t before creating a *compilation* buffer.
449 Then every error line will have a debug text property with the matcher that
450 fit this line and the match data. Use `describe-text-properties'.")
452 (defvar compilation-exit-message-function nil "\
453 If non-nil, called when a compilation process dies to return a status message.
454 This should be a function of three arguments: process status, exit status,
455 and exit message; it returns a cons (MESSAGE . MODELINE) of the strings to
456 write into the compilation buffer, and to put in its mode line.")
458 (defvar compilation-environment nil
459 "*List of environment variables for compilation to inherit.
460 Each element should be a string of the form ENVVARNAME=VALUE.
461 This list is temporarily prepended to `process-environment' prior to
462 starting the compilation process.")
464 ;; History of compile commands.
465 (defvar compile-history nil)
467 (defface compilation-warning-face
468 '((((class color) (min-colors 16)) (:foreground "Orange" :weight bold))
469 (((class color)) (:foreground "cyan" :weight bold))
471 "Face used to highlight compiler warnings."
472 :group 'font-lock-highlighting-faces
475 (defface compilation-info-face
476 '((((class color) (min-colors 16) (background light))
477 (:foreground "Green3" :weight bold))
478 (((class color) (min-colors 88) (background dark))
479 (:foreground "Green1" :weight bold))
480 (((class color) (min-colors 16) (background dark))
481 (:foreground "Green" :weight bold))
482 (((class color)) (:foreground "green" :weight bold))
484 "Face used to highlight compiler warnings."
485 :group 'font-lock-highlighting-faces
488 (defvar compilation-message-face nil
489 "Face name to use for whole messages.
490 Faces `compilation-error-face', `compilation-warning-face',
491 `compilation-info-face', `compilation-line-face' and
492 `compilation-column-face' get prepended to this, when applicable.")
494 (defvar compilation-error-face 'font-lock-warning-face
495 "Face name to use for file name in error messages.")
497 (defvar compilation-warning-face 'compilation-warning-face
498 "Face name to use for file name in warning messages.")
500 (defvar compilation-info-face 'compilation-info-face
501 "Face name to use for file name in informational messages.")
503 (defvar compilation-line-face 'font-lock-variable-name-face
504 "Face name to use for line number in message.")
506 (defvar compilation-column-face 'font-lock-type-face
507 "Face name to use for column number in message.")
509 ;; same faces as dired uses
510 (defvar compilation-enter-directory-face 'font-lock-function-name-face
511 "Face name to use for column number in message.")
513 (defvar compilation-leave-directory-face 'font-lock-type-face
514 "Face name to use for column number in message.")
518 ;; Used for compatibility with the old compile.el.
519 (defvaralias 'compilation-last-buffer 'next-error-last-buffer)
520 (defvar compilation-parsing-end (make-marker))
521 (defvar compilation-parse-errors-function nil)
522 (defvar compilation-error-list nil)
523 (defvar compilation-old-error-list nil)
525 (defun compilation-face (type)
526 (or (and (car type) (match-end (car type)) compilation-warning-face)
527 (and (cdr type) (match-end (cdr type)) compilation-info-face)
528 compilation-error-face))
530 ;; Internal function for calculating the text properties of a directory
531 ;; change message. The directory property is important, because it is
532 ;; the stack of nested enter-messages. Relative filenames on the following
533 ;; lines are relative to the top of the stack.
534 (defun compilation-directory-properties (idx leave)
535 (if leave (setq leave (match-end leave)))
536 ;; find previous stack, and push onto it, or if `leave' pop it
537 (let ((dir (previous-single-property-change (point) 'directory)))
538 (setq dir (if dir (or (get-text-property (1- dir) 'directory)
539 (get-text-property dir 'directory))))
541 compilation-leave-directory-face
542 compilation-enter-directory-face)
545 '(nil)) ; nil only isn't a property-change
546 (cons (match-string-no-properties idx) dir))
548 keymap compilation-button-map
549 help-echo "mouse-2: visit current directory")))
551 ;; Data type `reverse-ordered-alist' retriever. This function retrieves the
552 ;; KEY element from the ALIST, creating it in the right position if not already
553 ;; present. ALIST structure is
554 ;; '(ANCHOR (KEY1 ...) (KEY2 ...)... (KEYn ALIST ...))
555 ;; ANCHOR is ignored, but necessary so that elements can be inserted. KEY1
556 ;; may be nil. The other KEYs are ordered backwards so that growing line
557 ;; numbers can be inserted in front and searching can abort after half the
559 (eval-when-compile ;Don't keep it at runtime if not needed.
560 (defmacro compilation-assq (key alist)
563 (car (if (if (null ,key)
564 (if l2 (null (caar l2)))
565 (while (if l2 (if (caar l2) (< ,key (caar l2)) t))
568 (if l2 (eq ,key (caar l2))))
570 (setcdr l1 (cons (list ,key) l2)))))))
573 ;; This function is the central driver, called when font-locking to gather
574 ;; all information needed to later jump to corresponding source code.
575 ;; Return a property list with all meta information on this error location.
576 (defun compilation-error-properties (file line end-line col end-col type fmt)
577 (unless (< (next-single-property-change (match-beginning 0) 'directory nil (point))
581 (setq file (funcall file))
583 (setq file (match-string-no-properties file))
584 (unless (file-name-absolute-p file)
585 (setq dir (previous-single-property-change (point) 'directory)
586 dir (if dir (or (get-text-property (1- dir) 'directory)
587 (get-text-property dir 'directory)))))
588 (setq file (cons file (car dir)))))
589 ;; This message didn't mention one, get it from previous
590 (setq file (previous-single-property-change (point) 'message)
592 (car (nth 2 (car (or (get-text-property (1- file) 'message)
593 (get-text-property file 'message))))))
595 ;; All of these fields are optional, get them only if we have an index, and
596 ;; it matched some part of the message.
598 (setq line (match-string-no-properties line))
599 (setq line (string-to-number line)))
601 (setq end-line (match-string-no-properties end-line))
602 (setq end-line (string-to-number end-line)))
605 (setq col (funcall col))
607 (setq col (match-string-no-properties col))
608 (setq col (- (string-to-number col) compilation-first-column)))))
609 (if (and end-col (functionp end-col))
610 (setq end-col (funcall end-col))
611 (if (and end-col (setq end-col (match-string-no-properties end-col)))
612 (setq end-col (- (string-to-number end-col) compilation-first-column -1))
613 (if end-line (setq end-col -1))))
614 (if (consp type) ; not a static type, check what it is.
615 (setq type (or (and (car type) (match-end (car type)) 1)
616 (and (cdr type) (match-end (cdr type)) 0)
618 (compilation-internal-error-properties file line end-line col end-col type fmt)))
620 (defun compilation-move-to-column (col screen)
621 "Go to column COL on the current line.
622 If SCREEN is non-nil, columns are screen columns, otherwise, they are
626 (goto-char (min (+ (line-beginning-position) col) (line-end-position)))))
628 (defun compilation-internal-error-properties (file line end-line col end-col type fmt)
629 "Get the meta-info that will be added as text-properties.
630 LINE, END-LINE, COL, END-COL are integers or nil.
631 TYPE can be 0, 1, or 2.
632 FILE should be (ABSOLUTE-FILENAME) or (RELATIVE-FILENAME . DIRNAME) or nil."
633 (unless file (setq file '("*unknown*")))
634 (setq file (compilation-get-file-structure file fmt))
635 ;; Get first already existing marker (if any has one, all have one).
636 ;; Do this first, as the compilation-assq`s may create new nodes.
637 (let* ((marker-line (car (cddr file))) ; a line structure
638 (marker (nth 3 (cadr marker-line))) ; its marker
639 (compilation-error-screen-columns compilation-error-screen-columns)
640 end-marker loc end-loc)
641 (if (not (and marker (marker-buffer marker)))
642 (setq marker) ; no valid marker for this file
643 (setq loc (or line 1)) ; normalize no linenumber to line 1
644 (catch 'marker ; find nearest loc, at least one exists
645 (dolist (x (nthcdr 3 file)) ; loop over remaining lines
646 (if (> (car x) loc) ; still bigger
648 (if (> (- (or (car marker-line) 1) loc)
649 (- loc (car x))) ; current line is nearer
650 (setq marker-line x))
652 (setq marker (nth 3 (cadr marker-line))
653 marker-line (or (car marker-line) 1))
654 (with-current-buffer (marker-buffer marker)
657 (goto-char (marker-position marker))
658 (when (or end-col end-line)
659 (beginning-of-line (- (or end-line line) marker-line -1))
660 (if (or (null end-col) (< end-col 0))
662 (compilation-move-to-column
663 end-col compilation-error-screen-columns))
664 (setq end-marker (list (point-marker))))
665 (beginning-of-line (if end-line
667 (- loc marker-line -1)))
669 (compilation-move-to-column
670 col compilation-error-screen-columns)
671 (forward-to-indentation 0))
672 (setq marker (list (point-marker))))))
674 (setq loc (compilation-assq line (cdr file)))
676 (setq end-loc (compilation-assq end-line (cdr file))
677 end-loc (compilation-assq end-col end-loc))
678 (if end-col ; use same line element
679 (setq end-loc (compilation-assq end-col loc))))
680 (setq loc (compilation-assq col loc))
681 ;; If they are new, make the loc(s) reference the file they point to.
682 (or (cdr loc) (setcdr loc `(,line ,file ,@marker)))
684 (or (cdr end-loc) (setcdr end-loc `(,(or end-line line) ,file ,@end-marker))))
686 ;; Must start with face
687 `(face ,compilation-message-face
688 message (,loc ,type ,end-loc)
689 ,@(if compilation-debug
690 `(debug (,(assoc (with-no-warnings matcher) font-lock-keywords)
693 "mouse-2: visit this file, line and column"
695 "mouse-2: visit this file and line"
696 "mouse-2: visit this file"))
697 keymap compilation-button-map
698 mouse-face highlight)))
700 (defun compilation-mode-font-lock-keywords ()
701 "Return expressions to highlight in Compilation mode."
702 (if compilation-parse-errors-function
703 ;; An old package! Try the compatibility code.
704 '((compilation-compat-parse-errors))
706 ;; make directory tracking
707 (if compilation-directory-matcher
708 `((,(car compilation-directory-matcher)
709 ,@(mapcar (lambda (elt)
711 (compilation-directory-properties
712 ,(car elt) ,(cdr elt))
714 (cdr compilation-directory-matcher)))))
716 ;; Compiler warning/error lines.
720 (setq item (cdr (assq item
721 compilation-error-regexp-alist-alist))))
722 (let ((file (nth 1 item))
726 end-line end-col fmt)
727 (if (consp file) (setq fmt (cdr file) file (car file)))
728 (if (consp line) (setq end-line (cdr line) line (car line)))
729 (if (consp col) (setq end-col (cdr col) col (car col)))
732 ;; The old compile.el had here an undocumented hook that
733 ;; allowed `line' to be a function that computed the actual
734 ;; error location. Let's do our best.
737 (compilation-compat-error-properties
738 (funcall ',line (cons (match-string ,file)
739 (cons default-directory
741 ,(if col `(match-string ,col))))))
742 (,file compilation-error-face t))
744 (unless (or (null (nth 5 item)) (integerp (nth 5 item)))
745 (error "HYPERLINK should be an integer: %s" (nth 5 item)))
749 ,@(when (integerp file)
750 `((,file ,(if (consp type)
751 `(compilation-face ',type)
752 (aref [compilation-info-face
753 compilation-warning-face
754 compilation-error-face]
758 `((,line compilation-line-face nil t)))
760 `((,end-line compilation-line-face nil t)))
762 ,@(when (integerp col)
763 `((,col compilation-column-face nil t)))
764 ,@(when (integerp end-col)
765 `((,end-col compilation-column-face nil t)))
768 (,(or (nth 5 item) 0)
769 (compilation-error-properties ',file ,line ,end-line
770 ,col ,end-col ',(or type 2)
772 append))))) ; for compilation-message-face
773 compilation-error-regexp-alist)
775 compilation-mode-font-lock-keywords)))
779 (defun compile (command &optional comint)
780 "Compile the program including the current buffer. Default: run `make'.
781 Runs COMMAND, a shell command, in a separate process asynchronously
782 with output going to the buffer `*compilation*'.
784 If optional second arg COMINT is t the buffer will be in Comint mode with
785 `compilation-shell-minor-mode'.
787 You can then use the command \\[next-error] to find the next error message
788 and move to the source code that caused it.
790 Interactively, prompts for the command if `compilation-read-command' is
791 non-nil; otherwise uses `compile-command'. With prefix arg, always prompts.
792 Additionally, with universal prefix arg, compilation buffer will be in
793 comint mode, i.e. interactive.
795 To run more than one compilation at once, start one and rename
796 the \`*compilation*' buffer to some other name with
797 \\[rename-buffer]. Then start the next one. On most systems,
798 termination of the main compilation process kills its
801 The name used for the buffer is actually whatever is returned by
802 the function in `compilation-buffer-name-function', so you can set that
803 to a function that generates a unique name."
806 (let ((command (eval compile-command)))
807 (if (or compilation-read-command current-prefix-arg)
808 (read-from-minibuffer "Compile command: "
810 (if (equal (car compile-history) command)
811 '(compile-history . 1)
814 (consp current-prefix-arg)))
815 (unless (equal command (eval compile-command))
816 (setq compile-command command))
817 (save-some-buffers (not compilation-ask-about-save) nil)
818 (setq compilation-directory default-directory)
819 (compilation-start command comint))
821 ;; run compile with the default command line
823 "Re-compile the program including the current buffer.
824 If this is run in a Compilation mode buffer, re-use the arguments from the
825 original use. Otherwise, recompile using `compile-command'."
827 (save-some-buffers (not compilation-ask-about-save) nil)
828 (let ((default-directory
829 (or (and (not (eq major-mode (nth 1 compilation-arguments)))
830 compilation-directory)
832 (apply 'compilation-start (or compilation-arguments
833 `(,(eval compile-command))))))
835 (defcustom compilation-scroll-output nil
836 "*Non-nil to scroll the *compilation* buffer window as output appears.
838 Setting it causes the Compilation mode commands to put point at the
839 end of their output window so that the end of the output is always
840 visible rather than the beginning."
846 (defun compilation-buffer-name (mode-name name-function)
847 "Return the name of a compilation buffer to use.
848 If NAME-FUNCTION is non-nil, call it with one argument MODE-NAME
849 to determine the buffer name.
850 Likewise if `compilation-buffer-name-function' is non-nil.
851 If current buffer is in Compilation mode for the same mode name
852 return the name of the current buffer, so that it gets reused.
853 Otherwise, construct a buffer name from MODE-NAME."
855 (funcall name-function mode-name))
856 (compilation-buffer-name-function
857 (funcall compilation-buffer-name-function mode-name))
858 ((eq major-mode (nth 1 compilation-arguments))
861 (concat "*" (downcase mode-name) "*"))))
863 ;; This is a rough emulation of the old hack, until the transition to new
864 ;; compile is complete.
865 (defun compile-internal (command error-message
866 &optional name-of-mode parser
867 error-regexp-alist name-function
868 enter-regexp-alist leave-regexp-alist
869 file-regexp-alist nomessage-regexp-alist
870 no-async highlight-regexp local-map)
872 (error "Compile now works very differently, see `compilation-error-regexp-alist'"))
873 (let ((compilation-error-regexp-alist
874 (append file-regexp-alist (or error-regexp-alist
875 compilation-error-regexp-alist)))
876 (compilation-error (replace-regexp-in-string "^No more \\(.+\\)s\\.?"
877 "\\1" error-message)))
878 (compilation-start command nil name-function highlight-regexp)))
879 (make-obsolete 'compile-internal 'compilation-start)
881 (defun compilation-start (command &optional mode name-function highlight-regexp)
882 "Run compilation command COMMAND (low level interface).
883 If COMMAND starts with a cd command, that becomes the `default-directory'.
884 The rest of the arguments are optional; for them, nil means use the default.
886 MODE is the major mode to set in the compilation buffer. Mode
887 may also be t meaning use `compilation-shell-minor-mode' under `comint-mode'.
888 NAME-FUNCTION is a function called to name the buffer.
890 If HIGHLIGHT-REGEXP is non-nil, `next-error' will temporarily highlight
891 the matching section of the visited source line; the default is to use the
892 global value of `compilation-highlight-regexp'.
894 Returns the compilation buffer created."
895 (or mode (setq mode 'compilation-mode))
898 (prog1 "compilation" (require 'comint))
899 (replace-regexp-in-string "-mode$" "" (symbol-name mode))))
900 (thisdir default-directory)
905 (compilation-buffer-name name-of-mode name-function)))
906 (let ((comp-proc (get-buffer-process (current-buffer))))
908 (if (or (not (eq (process-status comp-proc) 'run))
910 (format "A %s process is running; kill it? "
914 (interrupt-process comp-proc)
916 (delete-process comp-proc))
918 (error "Cannot have two processes in `%s' at once"
920 (buffer-disable-undo (current-buffer))
921 ;; first transfer directory from where M-x compile was called
922 (setq default-directory thisdir)
923 ;; Make compilation buffer read-only. The filter can still write it.
924 ;; Clear out the compilation buffer.
925 (let ((inhibit-read-only t)
926 (default-directory thisdir))
927 ;; Then evaluate a cd command if any, but don't perform it yet, else start-command
928 ;; would do it again through the shell: (cd "..") AND sh -c "cd ..; make"
929 (cd (if (string-match "^\\s *cd\\(?:\\s +\\(\\S +?\\)\\)?\\s *[;&\n]" command)
931 (substitute-env-vars (match-string 1 command))
935 ;; output a mode setter, for saving and later reloading this buffer
936 (insert "-*- mode: " name-of-mode
937 "; default-directory: " (prin1-to-string default-directory)
938 " -*-\n" command "\n")
939 (setq thisdir default-directory))
940 (set-buffer-modified-p nil))
941 ;; If we're already in the compilation buffer, go to the end
942 ;; of the buffer, so point will track the compilation output.
943 (if (eq outbuf (current-buffer))
944 (goto-char (point-max)))
945 ;; Pop up the compilation buffer.
946 (setq outwin (display-buffer outbuf nil t))
947 (with-current-buffer outbuf
948 (let ((process-environment
950 compilation-environment
951 (if (if (boundp 'system-uses-terminfo) ; `if' for compiler warning
952 system-uses-terminfo)
953 (list "TERM=dumb" "TERMCAP="
954 (format "COLUMNS=%d" (window-width)))
956 (format "TERMCAP=emacs:co#%d:tc=unknown:"
958 ;; Set the EMACS variable, but
959 ;; don't override users' setting of $EMACS.
960 (unless (getenv "EMACS") '("EMACS=t"))
961 (copy-sequence process-environment))))
962 (if (not (eq mode t))
964 (setq buffer-read-only nil)
965 (with-no-warnings (comint-mode))
966 (compilation-shell-minor-mode))
968 (set (make-local-variable 'compilation-highlight-regexp)
970 (set (make-local-variable 'compilation-arguments)
971 (list command mode name-function highlight-regexp))
972 (set (make-local-variable 'revert-buffer-function)
973 'compilation-revert-buffer)
974 (set-window-start outwin (point-min))
975 (or (eq outwin (selected-window))
976 (set-window-point outwin (if compilation-scroll-output
979 ;; The setup function is called before compilation-set-window-height
980 ;; so it can set the compilation-window-height buffer locally.
981 (if compilation-process-setup-function
982 (funcall compilation-process-setup-function))
983 (compilation-set-window-height outwin)
984 ;; Start the compilation.
985 (if (fboundp 'start-process)
986 (let ((proc (if (eq mode t)
989 (comint-exec outbuf (downcase mode-name)
990 shell-file-name nil `("-c" ,command))))
991 (start-process-shell-command (downcase mode-name)
993 ;; Make the buffer's mode line show process state.
994 (setq mode-line-process '(":%s"))
995 (set-process-sentinel proc 'compilation-sentinel)
996 (set-process-filter proc 'compilation-filter)
997 (set-marker (process-mark proc) (point) outbuf)
998 (setq compilation-in-progress
999 (cons proc compilation-in-progress)))
1000 ;; No asynchronous processes available.
1001 (message "Executing `%s'..." command)
1002 ;; Fake modeline display as if `start-process' were run.
1003 (setq mode-line-process ":run")
1004 (force-mode-line-update)
1005 (sit-for 0) ; Force redisplay
1006 (let* ((buffer-read-only nil) ; call-process needs to modify outbuf
1007 (status (call-process shell-file-name nil outbuf nil "-c"
1009 (cond ((numberp status)
1010 (compilation-handle-exit 'exit status
1014 exited abnormally with code %d\n"
1017 (compilation-handle-exit 'signal status
1018 (concat status "\n")))
1020 (compilation-handle-exit 'bizarre status status))))
1021 ;; Without async subprocesses, the buffer is not yet
1022 ;; fontified, so fontify it now.
1023 (let ((font-lock-verbose nil)) ; shut up font-lock messages
1024 (font-lock-fontify-buffer))
1025 (set-buffer-modified-p nil)
1026 (message "Executing `%s'...done" command)))
1027 ;; Now finally cd to where the shell started make/grep/...
1028 (setq default-directory thisdir))
1029 (if (buffer-local-value 'compilation-scroll-output outbuf)
1030 (save-selected-window
1031 (select-window outwin)
1032 (goto-char (point-max))))
1033 ;; Make it so the next C-x ` will use this buffer.
1034 (setq next-error-last-buffer outbuf)))
1036 (defun compilation-set-window-height (window)
1037 "Set the height of WINDOW according to `compilation-window-height'."
1038 (let ((height (buffer-local-value 'compilation-window-height (window-buffer window))))
1040 (= (window-width window) (frame-width (window-frame window)))
1041 ;; If window is alone in its frame, aside from a minibuffer,
1042 ;; don't change its height.
1043 (not (eq window (frame-root-window (window-frame window))))
1044 ;; Stef said that doing the saves in this order is safer:
1046 (save-selected-window
1047 (select-window window)
1048 (enlarge-window (- height (window-height))))))))
1050 (defvar compilation-menu-map
1051 (let ((map (make-sparse-keymap "Errors")))
1052 (define-key map [stop-subjob]
1053 '("Stop Compilation" . kill-compilation))
1054 (define-key map [compilation-mode-separator2]
1056 (define-key map [compilation-first-error]
1057 '("First Error" . first-error))
1058 (define-key map [compilation-previous-error]
1059 '("Previous Error" . previous-error))
1060 (define-key map [compilation-next-error]
1061 '("Next Error" . next-error))
1064 (defvar compilation-minor-mode-map
1065 (let ((map (make-sparse-keymap)))
1066 (define-key map [mouse-2] 'compile-goto-error)
1067 (define-key map [follow-link] 'mouse-face)
1068 (define-key map "\C-c\C-c" 'compile-goto-error)
1069 (define-key map "\C-m" 'compile-goto-error)
1070 (define-key map "\C-c\C-k" 'kill-compilation)
1071 (define-key map "\M-n" 'compilation-next-error)
1072 (define-key map "\M-p" 'compilation-previous-error)
1073 (define-key map "\M-{" 'compilation-previous-file)
1074 (define-key map "\M-}" 'compilation-next-file)
1075 ;; Set up the menu-bar
1076 (define-key map [menu-bar compilation]
1077 (cons "Errors" compilation-menu-map))
1079 "Keymap for `compilation-minor-mode'.")
1081 (defvar compilation-shell-minor-mode-map
1082 (let ((map (make-sparse-keymap)))
1083 (define-key map "\M-\C-m" 'compile-goto-error)
1084 (define-key map "\M-\C-n" 'compilation-next-error)
1085 (define-key map "\M-\C-p" 'compilation-previous-error)
1086 (define-key map "\M-{" 'compilation-previous-file)
1087 (define-key map "\M-}" 'compilation-next-file)
1088 ;; Set up the menu-bar
1089 (define-key map [menu-bar compilation]
1090 (cons "Errors" compilation-menu-map))
1092 "Keymap for `compilation-shell-minor-mode'.")
1094 (defvar compilation-button-map
1095 (let ((map (make-sparse-keymap)))
1096 (define-key map [mouse-2] 'compile-goto-error)
1097 (define-key map [follow-link] 'mouse-face)
1098 (define-key map "\C-m" 'compile-goto-error)
1100 "Keymap for compilation-message buttons.")
1101 (fset 'compilation-button-map compilation-button-map)
1103 (defvar compilation-mode-map
1104 (let ((map (make-sparse-keymap)))
1105 ;; Don't inherit from compilation-minor-mode-map,
1106 ;; because that introduces a menu bar item we don't want.
1107 ;; That confuses C-down-mouse-3.
1108 (define-key map [mouse-2] 'compile-goto-error)
1109 (define-key map [follow-link] 'mouse-face)
1110 (define-key map "\C-c\C-c" 'compile-goto-error)
1111 (define-key map "\C-m" 'compile-goto-error)
1112 (define-key map "\C-c\C-k" 'kill-compilation)
1113 (define-key map "\M-n" 'compilation-next-error)
1114 (define-key map "\M-p" 'compilation-previous-error)
1115 (define-key map "\M-{" 'compilation-previous-file)
1116 (define-key map "\M-}" 'compilation-next-file)
1118 (define-key map " " 'scroll-up)
1119 (define-key map "\^?" 'scroll-down)
1120 (define-key map "\C-c\C-f" 'next-error-follow-minor-mode)
1122 ;; Set up the menu-bar
1123 (let ((submap (make-sparse-keymap "Compile")))
1124 (define-key map [menu-bar compilation]
1125 (cons "Compile" submap))
1126 (set-keymap-parent submap compilation-menu-map))
1127 (define-key map [menu-bar compilation compilation-separator2]
1129 (define-key map [menu-bar compilation compilation-grep]
1130 '("Search Files (grep)" . grep))
1131 (define-key map [menu-bar compilation compilation-recompile]
1132 '("Recompile" . recompile))
1133 (define-key map [menu-bar compilation compilation-compile]
1134 '("Compile..." . compile))
1136 "Keymap for compilation log buffers.
1137 `compilation-minor-mode-map' is a parent of this.")
1139 (put 'compilation-mode 'mode-class 'special)
1141 (defvar compilation-skip-to-next-location t
1142 "*If non-nil, skip multiple error messages for the same source location.")
1144 (defcustom compilation-skip-threshold 1
1145 "*Compilation motion commands skip less important messages.
1146 The value can be either 2 -- skip anything less than error, 1 --
1147 skip anything less than warning or 0 -- don't skip any messages.
1148 Note that all messages not positively identified as warning or
1149 info, are considered errors."
1150 :type '(choice (const :tag "Warnings and info" 2)
1151 (const :tag "Info" 1)
1152 (const :tag "None" 0))
1156 (defcustom compilation-skip-visited nil
1157 "*Compilation motion commands skip visited messages if this is t.
1158 Visited messages are ones for which the file, line and column have been jumped
1159 to from the current content in the current compilation buffer, even if it was
1160 from a different message."
1166 (defun compilation-mode (&optional name-of-mode)
1167 "Major mode for compilation log buffers.
1168 \\<compilation-mode-map>To visit the source for a line-numbered error,
1169 move point to the error message line and type \\[compile-goto-error].
1170 To kill the compilation, type \\[kill-compilation].
1172 Runs `compilation-mode-hook' with `run-hooks' (which see).
1174 \\{compilation-mode-map}"
1176 (kill-all-local-variables)
1177 (use-local-map compilation-mode-map)
1178 (setq major-mode 'compilation-mode
1179 mode-name (or name-of-mode "Compilation"))
1180 (set (make-local-variable 'page-delimiter)
1181 compilation-page-delimiter)
1183 (setq buffer-read-only t)
1184 (run-mode-hooks 'compilation-mode-hook))
1186 (defmacro define-compilation-mode (mode name doc &rest body)
1187 "This is like `define-derived-mode' without the PARENT argument.
1188 The parent is always `compilation-mode' and the customizable `compilation-...'
1189 variables are also set from the name of the mode you have chosen, by replacing
1190 the fist word, e.g `compilation-scroll-output' from `grep-scroll-output' if that
1192 (let ((mode-name (replace-regexp-in-string "-mode\\'" "" (symbol-name mode))))
1193 `(define-derived-mode ,mode compilation-mode ,name
1195 ,@(mapcar (lambda (v)
1197 (intern-soft (replace-regexp-in-string
1198 "^compilation" mode-name
1201 (or (boundp (cdr v))
1202 (if (boundp 'byte-compile-bound-variables)
1203 (memq (cdr v) byte-compile-bound-variables)))
1204 `(set (make-local-variable ',(car v)) ,(cdr v))))
1205 '(compilation-buffer-name-function
1206 compilation-directory-matcher
1208 compilation-error-regexp-alist
1209 compilation-error-regexp-alist-alist
1210 compilation-error-screen-columns
1211 compilation-finish-function
1212 compilation-finish-functions
1213 compilation-first-column
1214 compilation-mode-font-lock-keywords
1215 compilation-page-delimiter
1216 compilation-parse-errors-filename-function
1217 compilation-process-setup-function
1218 compilation-scroll-output
1219 compilation-search-path
1220 compilation-skip-threshold
1221 compilation-window-height))
1224 (defun compilation-revert-buffer (ignore-auto noconfirm)
1225 (if buffer-file-name
1226 (let (revert-buffer-function)
1227 (revert-buffer ignore-auto noconfirm))
1228 (if (or noconfirm (yes-or-no-p (format "Restart compilation? ")))
1229 (apply 'compilation-start compilation-arguments))))
1231 (defvar compilation-current-error nil
1232 "Marker to the location from where the next error will be found.
1233 The global commands next/previous/first-error/goto-error use this.")
1235 (defvar compilation-messages-start nil
1236 "Buffer position of the beginning of the compilation messages.
1237 If nil, use the beginning of buffer.")
1239 ;; A function name can't be a hook, must be something with a value.
1240 (defconst compilation-turn-on-font-lock 'turn-on-font-lock)
1242 (defun compilation-setup (&optional minor)
1243 "Prepare the buffer for the compilation parsing commands to work.
1244 Optional argument MINOR indicates this is called from
1245 `compilation-minor-mode'."
1246 (make-local-variable 'compilation-current-error)
1247 (make-local-variable 'compilation-messages-start)
1248 (make-local-variable 'compilation-error-screen-columns)
1249 (make-local-variable 'overlay-arrow-position)
1250 (set (make-local-variable 'overlay-arrow-string)
1251 (if (display-graphic-p) "=>" ""))
1252 (setq next-error-overlay-arrow-position nil)
1253 (add-hook 'kill-buffer-hook
1254 (lambda () (setq next-error-overlay-arrow-position nil)) nil t)
1255 ;; Note that compilation-next-error-function is for interfacing
1256 ;; with the next-error function in simple.el, and it's only
1257 ;; coincidentally named similarly to compilation-next-error.
1258 (setq next-error-function 'compilation-next-error-function)
1259 (set (make-local-variable 'font-lock-extra-managed-props)
1260 '(directory message help-echo mouse-face debug))
1261 (set (make-local-variable 'compilation-locs)
1262 (make-hash-table :test 'equal :weakness 'value))
1263 ;; lazy-lock would never find the message unless it's scrolled to.
1264 ;; jit-lock might fontify some things too late.
1265 (set (make-local-variable 'font-lock-support-mode) nil)
1266 (set (make-local-variable 'font-lock-maximum-size) nil)
1267 (let ((fld font-lock-defaults))
1269 (font-lock-add-keywords nil (compilation-mode-font-lock-keywords))
1270 (setq font-lock-defaults '(compilation-mode-font-lock-keywords t)))
1274 (font-lock-fontify-buffer)
1275 (font-lock-change-mode)
1276 (turn-on-font-lock))
1277 (turn-on-font-lock))
1278 ;; maybe defer font-lock till after derived mode is set up
1279 (run-mode-hooks 'compilation-turn-on-font-lock))))
1282 (define-minor-mode compilation-shell-minor-mode
1283 "Toggle compilation shell minor mode.
1284 With arg, turn compilation mode on if and only if arg is positive.
1285 In this minor mode, all the error-parsing commands of the
1286 Compilation major mode are available but bound to keys that don't
1287 collide with Shell mode. See `compilation-mode'.
1288 Turning the mode on runs the normal hook `compilation-shell-minor-mode-hook'."
1289 nil " Shell-Compile"
1291 (if compilation-shell-minor-mode
1292 (compilation-setup t)
1293 (font-lock-remove-keywords nil (compilation-mode-font-lock-keywords))
1294 (font-lock-fontify-buffer)))
1297 (define-minor-mode compilation-minor-mode
1298 "Toggle compilation minor mode.
1299 With arg, turn compilation mode on if and only if arg is positive.
1300 In this minor mode, all the error-parsing commands of the
1301 Compilation major mode are available. See `compilation-mode'.
1302 Turning the mode on runs the normal hook `compilation-minor-mode-hook'."
1305 (if compilation-minor-mode
1306 (compilation-setup t)
1307 (font-lock-remove-keywords nil (compilation-mode-font-lock-keywords))
1308 (font-lock-fontify-buffer)))
1310 (defun compilation-handle-exit (process-status exit-status msg)
1311 "Write MSG in the current buffer and hack its mode-line-process."
1312 (let ((inhibit-read-only t)
1313 (status (if compilation-exit-message-function
1314 (funcall compilation-exit-message-function
1315 process-status exit-status msg)
1316 (cons msg exit-status)))
1319 ;; Record where we put the message, so we can ignore it later on.
1321 (insert ?\n mode-name " " (car status))
1322 (if (and (numberp compilation-window-height)
1323 (zerop compilation-window-height))
1324 (message "%s" (cdr status)))
1327 (insert " at " (substring (current-time-string) 0 19))
1328 (goto-char (point-max))
1329 ;; Prevent that message from being recognized as a compilation error.
1330 (add-text-properties omax (point)
1331 (append '(compilation-handle-exit t) nil))
1332 (setq mode-line-process (format ":%s [%s]" process-status (cdr status)))
1333 ;; Force mode line redisplay soon.
1334 (force-mode-line-update)
1335 (if (and opoint (< opoint omax))
1337 (if compilation-finish-function
1338 (funcall compilation-finish-function (current-buffer) msg))
1339 (let ((functions compilation-finish-functions))
1341 (funcall (car functions) (current-buffer) msg)
1342 (setq functions (cdr functions))))))
1344 ;; Called when compilation process changes state.
1345 (defun compilation-sentinel (proc msg)
1346 "Sentinel for compilation buffers."
1347 (if (memq (process-status proc) '(exit signal))
1348 (let ((buffer (process-buffer proc)))
1349 (if (null (buffer-name buffer))
1351 (set-process-buffer proc nil)
1352 (with-current-buffer buffer
1353 ;; Write something in the compilation buffer
1354 ;; and hack its mode line.
1355 (compilation-handle-exit (process-status proc)
1356 (process-exit-status proc)
1358 ;; Since the buffer and mode line will show that the
1359 ;; process is dead, we can delete it now. Otherwise it
1360 ;; will stay around until M-x list-processes.
1361 (delete-process proc)))
1362 (setq compilation-in-progress (delq proc compilation-in-progress)))))
1364 (defun compilation-filter (proc string)
1365 "Process filter for compilation buffers.
1366 Just inserts the text, but uses `insert-before-markers'."
1367 (if (buffer-name (process-buffer proc))
1368 (with-current-buffer (process-buffer proc)
1369 (let ((inhibit-read-only t))
1371 (goto-char (process-mark proc))
1372 (insert-before-markers string)
1373 (run-hooks 'compilation-filter-hook))))))
1375 ;;; test if a buffer is a compilation buffer, assuming we're in the buffer
1376 (defsubst compilation-buffer-internal-p ()
1377 "Test if inside a compilation buffer."
1378 (local-variable-p 'compilation-locs))
1380 ;;; test if a buffer is a compilation buffer, using compilation-buffer-internal-p
1381 (defsubst compilation-buffer-p (buffer)
1382 "Test if BUFFER is a compilation buffer."
1383 (with-current-buffer buffer
1384 (compilation-buffer-internal-p)))
1386 (defmacro compilation-loop (< property-change 1+ error)
1388 (or (setq pt (,property-change pt 'message))
1389 (error ,error compilation-error))
1390 ;; prop 'message usually has 2 changes, on and off, so re-search if off
1391 (or (setq msg (get-text-property pt 'message))
1392 (if (setq pt (,property-change pt 'message))
1393 (setq msg (get-text-property pt 'message)))
1394 (error ,error compilation-error))
1395 (or (< (cadr msg) compilation-skip-threshold)
1397 (eq (prog1 last (setq last (nth 2 (car msg))))
1399 (if compilation-skip-visited
1400 (nthcdr 4 (car msg)))
1401 (if compilation-skip-to-next-location
1403 ;; count this message only if none of the above are true
1406 (defun compilation-next-error (n &optional different-file pt)
1407 "Move point to the next error in the compilation buffer.
1408 Prefix arg N says how many error messages to move forwards (or
1409 backwards, if negative).
1410 Does NOT find the source line like \\[next-error]."
1412 (or (compilation-buffer-p (current-buffer))
1413 (error "Not in a compilation buffer"))
1414 (or pt (setq pt (point)))
1415 (let* ((msg (get-text-property pt 'message))
1419 (unless (or msg ; find message near here
1420 (setq msg (get-text-property (max (1- pt) (point-min))
1422 (setq pt (previous-single-property-change pt 'message nil
1423 (line-beginning-position)))
1424 (unless (setq msg (get-text-property (max (1- pt) (point-min)) 'message))
1425 (setq pt (next-single-property-change pt 'message nil
1426 (line-end-position)))
1427 (or (setq msg (get-text-property pt 'message))
1428 (setq pt (point)))))
1429 (setq last (nth 2 (car msg)))
1431 (compilation-loop > next-single-property-change 1-
1432 (if (get-buffer-process (current-buffer))
1434 "Moved past last %s"))
1435 ;; Don't move "back" to message at or before point.
1436 ;; Pass an explicit (point-min) to make sure pt is non-nil.
1437 (setq pt (previous-single-property-change pt 'message nil (point-min)))
1438 (compilation-loop < previous-single-property-change 1+
1439 "Moved back before first %s")))
1442 (error "No %s here" compilation-error))))
1444 (defun compilation-previous-error (n)
1445 "Move point to the previous error in the compilation buffer.
1446 Prefix arg N says how many error messages to move backwards (or
1447 forwards, if negative).
1448 Does NOT find the source line like \\[previous-error]."
1450 (compilation-next-error (- n)))
1452 (defun compilation-next-file (n)
1453 "Move point to the next error for a different file than the current one.
1454 Prefix arg N says how many files to move forwards (or backwards, if negative)."
1456 (compilation-next-error n t))
1458 (defun compilation-previous-file (n)
1459 "Move point to the previous error for a different file than the current one.
1460 Prefix arg N says how many files to move backwards (or forwards, if negative)."
1462 (compilation-next-file (- n)))
1464 (defun kill-compilation ()
1465 "Kill the process made by the \\[compile] or \\[grep] commands."
1467 (let ((buffer (compilation-find-buffer)))
1468 (if (get-buffer-process buffer)
1469 (interrupt-process (get-buffer-process buffer))
1470 (error "The compilation process is not running"))))
1472 (defalias 'compile-mouse-goto-error 'compile-goto-error)
1474 (defun compile-goto-error (&optional event)
1475 "Visit the source for the error message at point.
1476 Use this command in a compilation log buffer. Sets the mark at point there."
1477 (interactive (list last-input-event))
1478 (if event (posn-set-point (event-end event)))
1479 (or (compilation-buffer-p (current-buffer))
1480 (error "Not in a compilation buffer"))
1481 (if (get-text-property (point) 'directory)
1482 (dired-other-window (car (get-text-property (point) 'directory)))
1484 (setq compilation-current-error (point))
1487 ;; Return a compilation buffer.
1488 ;; If the current buffer is a compilation buffer, return it.
1489 ;; Otherwise, look for a compilation buffer and signal an error
1490 ;; if there are none.
1491 (defun compilation-find-buffer (&optional avoid-current)
1492 (next-error-find-buffer avoid-current 'compilation-buffer-internal-p))
1495 (defun compilation-next-error-function (n &optional reset)
1497 (set-buffer (compilation-find-buffer))
1499 (setq compilation-current-error nil))
1500 (let* ((columns compilation-error-screen-columns) ; buffer's local value
1502 (loc (compilation-next-error (or n 1) nil
1503 (or compilation-current-error
1504 compilation-messages-start
1506 (end-loc (nth 2 loc))
1507 (marker (point-marker)))
1508 (setq compilation-current-error (point-marker)
1509 overlay-arrow-position
1511 compilation-current-error
1512 (copy-marker (line-beginning-position)))
1514 ;; If loc contains no marker, no error in that file has been visited. If
1515 ;; the marker is invalid the buffer has been killed. So, recalculate all
1516 ;; markers for that file.
1517 (unless (and (nth 3 loc) (marker-buffer (nth 3 loc)))
1518 (with-current-buffer (compilation-find-file marker (caar (nth 2 loc))
1519 (or (cdar (nth 2 loc))
1523 (goto-char (point-min))
1524 ;; Treat file's found lines in forward order, 1 by 1.
1525 (dolist (line (reverse (cddr (nth 2 loc))))
1526 (when (car line) ; else this is a filename w/o a line#
1527 (beginning-of-line (- (car line) last -1))
1528 (setq last (car line)))
1529 ;; Treat line's found columns and store/update a marker for each.
1530 (dolist (col (cdr line))
1532 (if (eq (car col) -1) ; special case for range end
1534 (compilation-move-to-column (car col) columns))
1536 (skip-chars-forward " \t"))
1538 (set-marker (nth 3 col) (point))
1539 (setcdr (nthcdr 2 col) `(,(point-marker)))))))))
1540 (compilation-goto-locus marker (nth 3 loc) (nth 3 end-loc))
1541 (setcdr (nthcdr 3 loc) t))) ; Set this one as visited.
1543 (defvar compilation-gcpro nil
1544 "Internal variable used to keep some values from being GC'd.")
1545 (make-variable-buffer-local 'compilation-gcpro)
1547 (defun compilation-fake-loc (marker file &optional line col)
1548 "Preassociate MARKER with FILE.
1549 FILE should be ABSOLUTE-FILENAME or (RELATIVE-FILENAME . DIRNAME).
1550 This is useful when you compile temporary files, but want
1551 automatic translation of the messages to the real buffer from
1552 which the temporary file came. This only works if done before a
1553 message about FILE appears!
1555 Optional args LINE and COL default to 1 and beginning of
1556 indentation respectively. The marker is expected to reflect
1557 this. In the simplest case the marker points to the first line
1558 of the region that was saved to the temp file.
1560 If you concatenate several regions into the temp file (e.g. a
1561 header with variable assignments and a code region), you must
1562 call this several times, once each for the last line of one
1563 region and the first line of the next region."
1564 (or (consp file) (setq file (list file)))
1565 (setq file (compilation-get-file-structure file))
1566 ;; Between the current call to compilation-fake-loc and the first occurrence
1567 ;; of an error message referring to `file', the data is only kept is the
1568 ;; weak hash-table compilation-locs, so we need to prevent this entry
1569 ;; in compilation-locs from being GC'd away. --Stef
1570 (push file compilation-gcpro)
1571 (let ((loc (compilation-assq (or line 1) (cdr file))))
1572 (setq loc (compilation-assq col loc))
1574 (setcdr (cddr loc) (list marker))
1575 (setcdr loc (list line file marker)))
1578 (defcustom compilation-context-lines 0
1579 "*Display this many lines of leading context before message.
1580 If nil, don't scroll the compilation output window."
1581 :type '(choice integer (const :tag "No window scrolling" nil))
1585 (defsubst compilation-set-window (w mk)
1586 "Align the compilation output window W with marker MK near top."
1587 (if (integerp compilation-context-lines)
1588 (set-window-start w (save-excursion
1590 (beginning-of-line (- 1 compilation-context-lines))
1592 (set-window-point w mk))
1594 (defvar next-error-highlight-timer)
1596 (defun compilation-goto-locus (msg mk end-mk)
1597 "Jump to an error corresponding to MSG at MK.
1598 All arguments are markers. If END-MK is non-nil, mark is set there
1599 and overlay is highlighted between MK and END-MK."
1600 (if (eq (window-buffer (selected-window))
1601 (marker-buffer msg))
1602 ;; If the compilation buffer window is selected,
1603 ;; keep the compilation buffer in this window;
1604 ;; display the source in another window.
1605 (let ((pop-up-windows t))
1606 (pop-to-buffer (marker-buffer mk)))
1607 (if (window-dedicated-p (selected-window))
1608 (pop-to-buffer (marker-buffer mk))
1609 (switch-to-buffer (marker-buffer mk))))
1610 ;; If narrowing gets in the way of going to the right place, widen.
1611 (unless (eq (goto-char mk) (point))
1615 (push-mark end-mk t)
1616 (if mark-active (setq mark-active)))
1617 ;; If hideshow got in the way of
1618 ;; seeing the right place, open permanently.
1619 (dolist (ov (overlays-at (point)))
1620 (when (eq 'hs (overlay-get ov 'invisible))
1624 ;; Show compilation buffer in other window, scrolled to this error.
1625 (let* ((pop-up-windows t)
1626 ;; Use an existing window if it is in a visible frame.
1627 (w (or (get-buffer-window (marker-buffer msg) 'visible)
1629 (display-buffer (marker-buffer msg))))
1630 (highlight-regexp (with-current-buffer (marker-buffer msg)
1631 ;; also do this while we change buffer
1632 (compilation-set-window w msg)
1633 compilation-highlight-regexp)))
1634 (compilation-set-window-height w)
1636 (when highlight-regexp
1637 (if (timerp next-error-highlight-timer)
1638 (cancel-timer next-error-highlight-timer))
1639 (unless compilation-highlight-overlay
1640 (setq compilation-highlight-overlay
1641 (make-overlay (point-min) (point-min)))
1642 (overlay-put compilation-highlight-overlay 'face 'next-error))
1643 (with-current-buffer (marker-buffer mk)
1645 (if end-mk (goto-char end-mk) (end-of-line))
1646 (let ((end (point)))
1647 (if mk (goto-char mk) (beginning-of-line))
1648 (if (and (stringp highlight-regexp)
1649 (re-search-forward highlight-regexp end t))
1651 (goto-char (match-beginning 0))
1652 (move-overlay compilation-highlight-overlay
1653 (match-beginning 0) (match-end 0)
1655 (move-overlay compilation-highlight-overlay
1656 (point) end (current-buffer)))
1657 (if (numberp next-error-highlight)
1658 (setq next-error-highlight-timer
1659 (run-at-time next-error-highlight nil 'delete-overlay
1660 compilation-highlight-overlay)))
1661 (if (not (or (eq next-error-highlight t)
1662 (numberp next-error-highlight)))
1663 (delete-overlay compilation-highlight-overlay))))))
1664 (when (and (eq next-error-highlight 'fringe-arrow))
1665 (setq next-error-overlay-arrow-position
1666 (copy-marker (line-beginning-position))))))
1669 (defun compilation-find-file (marker filename dir &rest formats)
1670 "Find a buffer for file FILENAME.
1671 Search the directories in `compilation-search-path'.
1672 A nil in `compilation-search-path' means to try the
1673 current directory, which is passed in DIR.
1674 If FILENAME is not found at all, ask the user where to find it.
1675 Pop up the buffer containing MARKER and scroll to MARKER if we ask the user."
1676 (or formats (setq formats '("%s")))
1678 (let ((dirs compilation-search-path)
1679 buffer thisdir fmts name)
1680 (if (file-name-absolute-p filename)
1681 ;; The file name is absolute. Use its explicit directory as
1682 ;; the first in the search path, and strip it from FILENAME.
1683 (setq filename (abbreviate-file-name (expand-file-name filename))
1684 dirs (cons (file-name-directory filename) dirs)
1685 filename (file-name-nondirectory filename)))
1686 ;; Now search the path.
1687 (while (and dirs (null buffer))
1688 (setq thisdir (or (car dirs) dir)
1690 ;; For each directory, try each format string.
1691 (while (and fmts (null buffer))
1692 (setq name (expand-file-name (format (car fmts) filename) thisdir)
1693 buffer (and (file-exists-p name)
1694 (find-file-noselect name))
1696 (setq dirs (cdr dirs)))
1698 ;; The file doesn't exist. Ask the user where to find it.
1699 (let ((pop-up-windows t))
1700 (compilation-set-window (display-buffer (marker-buffer marker))
1702 (let ((name (expand-file-name
1704 (format "Find this error in: (default %s) "
1707 (if (file-directory-p name)
1708 (setq name (expand-file-name filename name)))
1709 (setq buffer (and (file-exists-p name)
1710 (find-file name))))))
1711 ;; Make intangible overlays tangible.
1712 (mapcar (function (lambda (ov)
1713 (when (overlay-get ov 'intangible)
1714 (overlay-put ov 'intangible nil))))
1715 (overlays-in (point-min) (point-max)))
1718 (defun compilation-get-file-structure (file &optional fmt)
1719 "Retrieve FILE's file-structure or create a new one.
1720 FILE should be (ABSOLUTE-FILENAME) or (RELATIVE-FILENAME . DIRNAME)."
1722 (or (gethash file compilation-locs)
1723 ;; File was not previously encountered, at least not in the form passed.
1724 ;; Let's normalize it and look again.
1725 (let ((filename (car file))
1726 (default-directory (if (cdr file)
1727 (file-truename (cdr file))
1728 default-directory)))
1730 ;; Check for a comint-file-name-prefix and prepend it if appropriate.
1731 ;; (This is very useful for compilation-minor-mode in an rlogin-mode
1733 (if (boundp 'comint-file-name-prefix)
1734 (if (file-name-absolute-p filename)
1736 (concat (with-no-warnings comint-file-name-prefix) filename))
1737 (setq default-directory
1739 (concat (with-no-warnings comint-file-name-prefix) default-directory)))))
1741 ;; If compilation-parse-errors-filename-function is
1742 ;; defined, use it to process the filename.
1743 (when compilation-parse-errors-filename-function
1745 (funcall compilation-parse-errors-filename-function
1748 ;; Some compilers (e.g. Sun's java compiler, reportedly) produce bogus
1749 ;; file names like "./bar//foo.c" for file "bar/foo.c";
1750 ;; expand-file-name will collapse these into "/foo.c" and fail to find
1751 ;; the appropriate file. So we look for doubled slashes in the file
1752 ;; name and fix them.
1753 (setq filename (command-line-normalize-file-name filename))
1755 ;; Now eliminate any "..", because find-file would get them wrong.
1756 ;; Make relative and absolute filenames, with or without links, the
1759 (list (abbreviate-file-name
1760 (file-truename (if (cdr file)
1761 (expand-file-name filename)
1764 ;; Store it for the possibly unnormalized name
1766 ;; Retrieve or create file-structure for normalized name
1767 (or (gethash filename compilation-locs)
1768 (puthash filename (list filename fmt) compilation-locs))
1769 compilation-locs))))
1771 (add-to-list 'debug-ignored-errors "^No more [-a-z ]+s yet$")
1773 ;;; Compatibility with the old compile.el.
1775 (defun compile-buffer-substring (n) (if n (match-string n)))
1777 (defun compilation-compat-error-properties (err)
1778 "Map old-style error ERR to new-style message."
1779 ;; Old-style structure is (MARKER (FILE DIR) LINE COL) or
1780 ;; (MARKER . MARKER).
1781 (let ((dst (cdr err)))
1783 ;; Must start with a face, for font-lock.
1785 message ,(list (list nil nil nil dst) 2)
1786 help-echo "mouse-2: visit the source location"
1787 keymap compilation-button-map
1788 mouse-face highlight)
1789 ;; Too difficult to do it by hand: dispatch to the normal code.
1790 (let* ((file (pop dst))
1793 (filename (pop file))
1794 (dirname (pop file))
1796 (compilation-internal-error-properties
1797 (cons filename dirname) line nil col nil 2 fmt)))))
1799 (defun compilation-compat-parse-errors (limit)
1800 (when compilation-parse-errors-function
1801 ;; FIXME: We should remove the rest of the compilation keywords
1802 ;; but we can't do that from here because font-lock is using
1803 ;; the value right now. --stef
1805 (setq compilation-error-list nil)
1806 ;; Reset compilation-parsing-end each time because font-lock
1807 ;; might force us the re-parse many times (typically because
1808 ;; some code adds some text-property to the output that we
1809 ;; already parsed). You might say "why reparse", well:
1810 ;; because font-lock has just removed the `message' property so
1811 ;; have to do it all over again.
1812 (if compilation-parsing-end
1813 (set-marker compilation-parsing-end (point))
1814 (setq compilation-parsing-end (point-marker)))
1816 ;; Ignore any error: we're calling this function earlier than
1817 ;; in the old compile.el so things might not all be setup yet.
1818 (funcall compilation-parse-errors-function limit nil)
1820 (dolist (err (if (listp compilation-error-list) compilation-error-list))
1821 (let* ((src (car err))
1823 (loc (cond ((markerp dst) (list nil nil nil dst))
1825 (list (nth 2 dst) (nth 1 dst)
1826 (cons (cdar dst) (caar dst)))))))
1829 ;; (put-text-property src (line-end-position) 'font-lock-face 'font-lock-warning-face)
1830 (put-text-property src (line-end-position)
1831 'message (list loc 2)))))))
1835 ;; Beware: this is not only compatiblity code. New code stil uses it. --Stef
1836 (defun compilation-forget-errors ()
1837 ;; In case we hit the same file/line specs, we want to recompute a new
1838 ;; marker for them, so flush our cache.
1839 (setq compilation-locs (make-hash-table :test 'equal :weakness 'value))
1840 (setq compilation-gcpro nil)
1841 ;; FIXME: the old code reset the directory-stack, so maybe we should
1842 ;; put a `directory change' marker of some sort, but where? -stef
1844 ;; FIXME: The old code moved compilation-current-error (which was
1845 ;; virtually represented by a mix of compilation-parsing-end and
1846 ;; compilation-error-list) to point-min, but that was only meaningful for
1847 ;; the internal uses of compilation-forget-errors: all calls from external
1848 ;; packages seem to be followed by a move of compilation-parsing-end to
1849 ;; something equivalent to point-max. So we speculatively move
1850 ;; compilation-current-error to point-max (since the external package
1851 ;; won't know that it should do it). --stef
1852 (setq compilation-current-error nil)
1853 (let* ((proc (get-buffer-process (current-buffer)))
1854 (mark (if proc (process-mark proc)))
1855 (pos (or mark (point-max))))
1856 (setq compilation-messages-start
1857 ;; In the future, ignore the text already present in the buffer.
1858 ;; Since many process filter functions insert before markers,
1859 ;; we need to put ours just before the insertion point rather
1860 ;; than at the insertion point. If that's not possible, then
1861 ;; don't use a marker. --Stef
1862 (if (> pos (point-min)) (copy-marker (1- pos)) pos))))
1865 (add-to-list 'auto-mode-alist '("\\.gcov\\'" . compilation-mode))
1869 ;; arch-tag: 12465727-7382-4f72-b234-79855a00dd8c
1870 ;;; compile.el ends here