flymake.el 67.2 KB
Newer Older
Eli Zaretskii's avatar
Eli Zaretskii committed
1 2
;;; flymake.el -- a universal on-the-fly syntax checker

3
;; Copyright (C) 2003, 2004, 2005, 2006  Free Software Foundation
Eli Zaretskii's avatar
Eli Zaretskii committed
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

;; Author:  Pavel Kobiakov <pk_at_work@yahoo.com>
;; Maintainer: Pavel Kobiakov <pk_at_work@yahoo.com>
;; Version: 0.3
;; Keywords: c languages tools

;; This file is part of GNU Emacs.

;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING.  If not, write to the
Lute Kamstra's avatar
Lute Kamstra committed
24 25
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
Eli Zaretskii's avatar
Eli Zaretskii committed
26 27 28 29 30 31 32

;;; Commentary:
;;
;; Flymake is a minor Emacs mode performing on-the-fly syntax
;; checks using the external syntax check tool (for C/C++ this
;; is usually the compiler)

Stefan Monnier's avatar
Stefan Monnier committed
33 34 35 36 37
;;; Bugs/todo:

;; - Only uses "Makefile", not "makefile" or "GNUmakefile"
;;   (from http://bugs.debian.org/337339).

Eli Zaretskii's avatar
Eli Zaretskii committed
38 39
;;; Code:

40 41 42
(eval-when-compile (require 'cl))
(if (featurep 'xemacs) (require 'overlay))

43 44 45
(defvar flymake-is-running nil
  "If t, flymake syntax check process is running for the current buffer.")
(make-variable-buffer-local 'flymake-is-running)
46

47 48 49
(defvar flymake-timer nil
  "Timer for starting syntax check.")
(make-variable-buffer-local 'flymake-timer)
50

51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69
(defvar flymake-last-change-time nil
  "Time of last buffer change.")
(make-variable-buffer-local 'flymake-last-change-time)

(defvar flymake-check-start-time nil
  "Time at which syntax check was started.")
(make-variable-buffer-local 'flymake-check-start-time)

(defvar flymake-check-was-interrupted nil
  "Non-nil if syntax check was killed by `flymake-compile'.")
(make-variable-buffer-local 'flymake-check-was-interrupted)

(defvar flymake-err-info nil
  "Sorted list of line numbers and lists of err info in the form (file, err-text).")
(make-variable-buffer-local 'flymake-err-info)

(defvar flymake-new-err-info nil
  "Same as `flymake-err-info', effective when a syntax check is in progress.")
(make-variable-buffer-local 'flymake-new-err-info)
70

Eli Zaretskii's avatar
Eli Zaretskii committed
71
;;;; [[ cross-emacs compatibility routines
Kim F. Storm's avatar
Kim F. Storm committed
72 73 74
(defsubst flymake-makehash (&optional test)
  (if (fboundp 'make-hash-table)
      (if test (make-hash-table :test test) (make-hash-table))
75 76
    (with-no-warnings
      (makehash test))))
Richard M. Stallman's avatar
Richard M. Stallman committed
77

Stefan Monnier's avatar
Stefan Monnier committed
78 79 80
(defalias 'flymake-float-time
  (if (fboundp 'float-time)
      'float-time
81 82 83 84
    (if (featurep 'xemacs)
	(lambda ()
	  (multiple-value-bind (s0 s1 s2) (current-time)
	    (+ (* (float (ash 1 16)) s0) (float s1) (* 0.0000001 s2)))))))
Kim F. Storm's avatar
Kim F. Storm committed
85

86 87 88 89 90 91 92 93 94 95 96 97
(defalias 'flymake-replace-regexp-in-string
  (if (eval-when-compile (fboundp 'replace-regexp-in-string))
      'replace-regexp-in-string
    (lambda (regexp rep str)
      (replace-in-string str regexp rep))))

(defalias 'flymake-split-string
  (if (condition-case nil (equal (split-string " bc " " " t) '("bc"))
        (error nil))
      (lambda (str pattern) (split-string str pattern t))
    (lambda (str pattern)
      "Split STR into a list of substrings bounded by PATTERN.
Richard M. Stallman's avatar
Richard M. Stallman committed
98
Zero-length substrings at the beginning and end of the list are omitted."
99
      (let ((split (split-string str pattern)))
100 101 102 103
        (while (equal (car split) "") (setq split (cdr split)))
        (setq split (nreverse split))
        (while (equal (car split) "") (setq split (cdr split)))
        (nreverse split)))))
104 105

(defalias 'flymake-get-temp-dir
Stefan Monnier's avatar
Stefan Monnier committed
106
  (if (fboundp 'temp-directory)
107 108
      'temp-directory
    (lambda () temporary-file-directory)))
Eli Zaretskii's avatar
Eli Zaretskii committed
109

Stefan Monnier's avatar
Stefan Monnier committed
110 111 112 113
(defalias 'flymake-line-beginning-position
  (if (fboundp 'line-beginning-position)
      'line-beginning-position
    (lambda (&optional arg) (save-excursion (beginning-of-line arg) (point)))))
Eli Zaretskii's avatar
Eli Zaretskii committed
114

Stefan Monnier's avatar
Stefan Monnier committed
115 116 117 118
(defalias 'flymake-line-end-position
  (if (fboundp 'line-end-position)
      'line-end-position
    (lambda (&optional arg) (save-excursion (end-of-line arg) (point)))))
Richard M. Stallman's avatar
Richard M. Stallman committed
119

120 121 122

(defun flymake-popup-menu (menu-data)
  "Pop up the flymake menu at point, using the data MENU-DATA.
Richard M. Stallman's avatar
Richard M. Stallman committed
123 124 125 126 127
POS is a list of the form ((X Y) WINDOW), where X and Y are
pixels positions from the top left corner of WINDOW's frame.
MENU-DATA is a list of error and warning messages returned by
`flymake-make-err-menu-data'."
  (if (featurep 'xemacs)
128 129 130
      (let* ((pos         (flymake-get-point-pixel-pos))
             (x-pos       (nth 0 pos))
	     (y-pos       (nth 1 pos))
Kim F. Storm's avatar
Kim F. Storm committed
131 132 133
	     (fake-event-props  '(button 1 x 1 y 1)))
	(setq fake-event-props (plist-put fake-event-props 'x x-pos))
	(setq fake-event-props (plist-put fake-event-props 'y y-pos))
134 135 136 137 138 139
	(popup-menu (flymake-make-xemacs-menu menu-data)
                    (make-event 'button-press fake-event-props)))
    (x-popup-menu (if (eval-when-compile (fboundp 'posn-at-point))
                      (posn-at-point)
                    (list (flymake-get-point-pixel-pos) (selected-window)))
                  (flymake-make-emacs-menu menu-data))))
Eli Zaretskii's avatar
Eli Zaretskii committed
140

Richard M. Stallman's avatar
Richard M. Stallman committed
141
(defun flymake-make-emacs-menu (menu-data)
Richard M. Stallman's avatar
Richard M. Stallman committed
142 143 144 145
  "Return a menu specifier using MENU-DATA.
MENU-DATA is a list of error and warning messages returned by
`flymake-make-err-menu-data'.
See `x-popup-menu' for the menu specifier format."
Richard M. Stallman's avatar
Richard M. Stallman committed
146 147
  (let* ((menu-title     (nth 0 menu-data))
	 (menu-items     (nth 1 menu-data))
148 149 150
	 (menu-commands  (mapcar (lambda (foo)
                                   (cons (nth 0 foo) (nth 1 foo)))
                                 menu-items)))
Richard M. Stallman's avatar
Richard M. Stallman committed
151
    (list menu-title (cons "" menu-commands))))
Eli Zaretskii's avatar
Eli Zaretskii committed
152

Kim F. Storm's avatar
Kim F. Storm committed
153 154
(if (featurep 'xemacs) (progn

Stefan Monnier's avatar
Stefan Monnier committed
155 156
(defun flymake-nop ())

157
(defun flymake-make-xemacs-menu (menu-data)
Richard M. Stallman's avatar
Richard M. Stallman committed
158
  "Return a menu specifier using MENU-DATA."
Richard M. Stallman's avatar
Richard M. Stallman committed
159 160 161 162 163 164 165 166
  (let* ((menu-title     (nth 0 menu-data))
	 (menu-items     (nth 1 menu-data))
	 (menu-commands  nil))
    (setq menu-commands (mapcar (lambda (foo)
				  (vector (nth 0 foo) (or (nth 1 foo) '(flymake-nop)) t))
				menu-items))
    (cons menu-title menu-commands)))

Kim F. Storm's avatar
Kim F. Storm committed
167 168
)) ;; xemacs

169 170
(unless (eval-when-compile (fboundp 'posn-at-point))

Richard M. Stallman's avatar
Richard M. Stallman committed
171 172
(defun flymake-current-row ()
  "Return current row number in current frame."
Stefan Monnier's avatar
Stefan Monnier committed
173 174 175
  (if (fboundp 'window-edges)
      (+ (car (cdr (window-edges))) (count-lines (window-start) (point)))
    (count-lines (window-start) (point))))
Richard M. Stallman's avatar
Richard M. Stallman committed
176 177

(defun flymake-selected-frame ()
Stefan Monnier's avatar
Stefan Monnier committed
178 179 180
  (if (fboundp 'window-edges)
      (selected-frame)
    (selected-window)))
Eli Zaretskii's avatar
Eli Zaretskii committed
181

182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199
(defun flymake-get-point-pixel-pos ()
  "Return point position in pixels: (x, y)."
  (let ((mouse-pos  (mouse-position))
	(pixel-pos  nil)
	(ret        nil))
    (if (car (cdr mouse-pos))
	(progn
	  (set-mouse-position (flymake-selected-frame) (current-column) (flymake-current-row))
	  (setq pixel-pos (mouse-pixel-position))
	  (set-mouse-position (car mouse-pos) (car (cdr mouse-pos)) (cdr (cdr mouse-pos)))
	  (setq ret (list (car (cdr pixel-pos)) (cdr (cdr pixel-pos)))))
      (progn
	(setq ret '(0 0))))
    (flymake-log 3 "mouse pos is %s" ret)
    ret))

) ;; End of (unless (fboundp 'posn-at-point)

Eli Zaretskii's avatar
Eli Zaretskii committed
200 201 202
;;;; ]]

(defcustom flymake-log-level -1
Stefan Monnier's avatar
Stefan Monnier committed
203
  "Logging level, only messages with level lower or equal will be logged.
Eli Zaretskii's avatar
Eli Zaretskii committed
204
-1 = NONE, 0 = ERROR, 1 = WARNING, 2 = INFO, 3 = DEBUG"
Richard M. Stallman's avatar
Richard M. Stallman committed
205 206
  :group 'flymake
  :type 'integer)
Eli Zaretskii's avatar
Eli Zaretskii committed
207

208
(defun flymake-log (level text &rest args)
Richard M. Stallman's avatar
Richard M. Stallman committed
209 210 211 212 213
  "Log a message at level LEVEL.
If LEVEL is higher than `flymake-log-level', the message is
ignored.  Otherwise, it is printed using `message'.
TEXT is a format control string, and the remaining arguments ARGS
are the string substitutions (see `format')."
Richard M. Stallman's avatar
Richard M. Stallman committed
214 215
  (if (<= level flymake-log-level)
      (let* ((msg (apply 'format text args)))
216
	(message "%s" msg)
Richard M. Stallman's avatar
Richard M. Stallman committed
217 218 219
	;;(with-temp-buffer
	;;    (insert msg)
	;;   (insert "\n")
220
	;;   (flymake-save-buffer-in-file "d:/flymake.log" t)  ; make log file name customizable
Richard M. Stallman's avatar
Richard M. Stallman committed
221
	;;)
222
	)))
Eli Zaretskii's avatar
Eli Zaretskii committed
223

224
(defun flymake-ins-after (list pos val)
Richard M. Stallman's avatar
Richard M. Stallman committed
225 226 227 228
  "Insert VAL into LIST after position POS."
  (let ((tmp (copy-sequence list)))	; (???)
    (setcdr (nthcdr pos tmp) (cons val (nthcdr (1+ pos) tmp)))
    tmp))
Eli Zaretskii's avatar
Eli Zaretskii committed
229

230
(defun flymake-set-at (list pos val)
231
  "Set VAL at position POS in LIST."
Richard M. Stallman's avatar
Richard M. Stallman committed
232 233 234
  (let ((tmp (copy-sequence list)))	; (???)
    (setcar (nthcdr pos tmp) val)
    tmp))
Eli Zaretskii's avatar
Eli Zaretskii committed
235

236 237
(defvar flymake-processes nil
  "List of currently active flymake processes.")
Eli Zaretskii's avatar
Eli Zaretskii committed
238

239
(defvar flymake-output-residual nil)
240

Eli Zaretskii's avatar
Eli Zaretskii committed
241
(make-variable-buffer-local 'flymake-output-residual)
242

Richard M. Stallman's avatar
Richard M. Stallman committed
243
(defcustom flymake-allowed-file-name-masks
244 245 246 247 248 249
  '(("\\.c\\'" flymake-simple-make-init)
    ("\\.cpp\\'" flymake-simple-make-init)
    ("\\.xml\\'" flymake-xml-init)
    ("\\.html?\\'" flymake-xml-init)
    ("\\.cs\\'" flymake-simple-make-init)
    ("\\.pl\\'" flymake-perl-init)
250 251 252
    ("\\.h\\'" flymake-master-make-header-init flymake-master-cleanup)
    ("\\.java\\'" flymake-simple-make-java-init flymake-simple-java-cleanup)
    ("[0-9]+\\.tex\\'" flymake-master-tex-init flymake-master-cleanup)
253 254
    ("\\.tex\\'" flymake-simple-tex-init)
    ("\\.idl\\'" flymake-simple-make-init)
255 256 257
    ;; ("\\.cpp\\'" 1)
    ;; ("\\.java\\'" 3)
    ;; ("\\.h\\'" 2 ("\\.cpp\\'" "\\.c\\'")
258
    ;; ("[ \t]*#[ \t]*include[ \t]*\"\\([\w0-9/\\_\.]*[/\\]*\\)\\(%s\\)\"" 1 2))
259 260 261
    ;; ("\\.idl\\'" 1)
    ;; ("\\.odl\\'" 1)
    ;; ("[0-9]+\\.tex\\'" 2 ("\\.tex\\'")
262
    ;; ("[ \t]*\\input[ \t]*{\\(.*\\)\\(%s\\)}" 1 2 ))
263
    ;; ("\\.tex\\'" 1)
Richard M. Stallman's avatar
Richard M. Stallman committed
264 265 266 267
    )
  "*Files syntax checking is allowed for."
  :group 'flymake
  :type '(repeat (string symbol symbol symbol)))
Eli Zaretskii's avatar
Eli Zaretskii committed
268

269
(defun flymake-get-file-name-mode-and-masks (file-name)
270
  "Return the corresponding entry from `flymake-allowed-file-name-masks'."
Richard M. Stallman's avatar
Richard M. Stallman committed
271 272
  (unless (stringp file-name)
    (error "Invalid file-name"))
273
  (let ((fnm flymake-allowed-file-name-masks)
Richard M. Stallman's avatar
Richard M. Stallman committed
274
	(mode-and-masks  nil))
275 276 277 278
    (while (and (not mode-and-masks) fnm)
      (if (string-match (car (car fnm)) file-name)
	  (setq mode-and-masks (cdr (car fnm))))
      (setq fnm (cdr fnm)))
Richard M. Stallman's avatar
Richard M. Stallman committed
279 280
    (flymake-log 3 "file %s, init=%s" file-name (car mode-and-masks))
    mode-and-masks))
Eli Zaretskii's avatar
Eli Zaretskii committed
281

282
(defun flymake-can-syntax-check-file (file-name)
Richard M. Stallman's avatar
Richard M. Stallman committed
283
  "Determine whether we can syntax check FILE-NAME.
284
Return nil if we cannot, non-nil if we can."
Richard M. Stallman's avatar
Richard M. Stallman committed
285
  (if (flymake-get-init-function file-name) t nil))
Eli Zaretskii's avatar
Eli Zaretskii committed
286

287
(defun flymake-get-init-function (file-name)
Richard M. Stallman's avatar
Richard M. Stallman committed
288 289
  "Return init function to be used for the file."
  (let* ((init-f  (nth 0 (flymake-get-file-name-mode-and-masks file-name))))
290 291
    ;;(flymake-log 0 "calling %s" init-f)
    ;;(funcall init-f (current-buffer))
Richard M. Stallman's avatar
Richard M. Stallman committed
292
    init-f))
Eli Zaretskii's avatar
Eli Zaretskii committed
293

294
(defun flymake-get-cleanup-function (file-name)
Richard M. Stallman's avatar
Richard M. Stallman committed
295
  "Return cleanup function to be used for the file."
296 297
  (or (nth 1 (flymake-get-file-name-mode-and-masks file-name))
      'flymake-simple-cleanup))
Eli Zaretskii's avatar
Eli Zaretskii committed
298

299
(defun flymake-get-real-file-name-function (file-name)
300 301
  (or (nth 2 (flymake-get-file-name-mode-and-masks file-name))
      'flymake-get-real-file-name))
Eli Zaretskii's avatar
Eli Zaretskii committed
302 303

(defcustom flymake-buildfile-dirs '("." ".." "../.." "../../.." "../../../.." "../../../../.." "../../../../../.." "../../../../../../.." "../../../../../../../.." "../../../../../../../../.." "../../../../../../../../../.." "../../../../../../../../../../..")
Richard M. Stallman's avatar
Richard M. Stallman committed
304 305 306
  "Dirs to look for buildfile."
  :group 'flymake
  :type '(repeat (string)))
Eli Zaretskii's avatar
Eli Zaretskii committed
307 308 309

(defvar flymake-find-buildfile-cache (flymake-makehash 'equal))

310
(defun flymake-get-buildfile-from-cache (dir-name)
Richard M. Stallman's avatar
Richard M. Stallman committed
311
  (gethash dir-name flymake-find-buildfile-cache))
312 313

(defun flymake-add-buildfile-to-cache (dir-name buildfile)
Richard M. Stallman's avatar
Richard M. Stallman committed
314
  (puthash dir-name buildfile flymake-find-buildfile-cache))
315 316

(defun flymake-clear-buildfile-cache ()
Richard M. Stallman's avatar
Richard M. Stallman committed
317
  (clrhash flymake-find-buildfile-cache))
318

319
(defun flymake-find-buildfile (buildfile-name source-dir-name)
Richard M. Stallman's avatar
Richard M. Stallman committed
320
  "Find buildfile starting from current directory.
321
Buildfile includes Makefile, build.xml etc.
Richard M. Stallman's avatar
Richard M. Stallman committed
322
Return its file name if found, or nil if not found."
323 324 325 326 327 328
  (or (flymake-get-buildfile-from-cache source-dir-name)
      (let* ((dirs flymake-buildfile-dirs)
             (buildfile-dir          nil)
             (found                  nil))
        (while (and (not found) dirs)
          (setq buildfile-dir (concat source-dir-name (car dirs)))
329
          (when (file-exists-p (expand-file-name buildfile-name buildfile-dir))
330 331 332 333 334 335 336 337 338 339
            (setq found t))
          (setq dirs (cdr dirs)))
        (if found
            (progn
              (flymake-log 3 "found buildfile at %s/%s" buildfile-dir buildfile-name)
              (flymake-add-buildfile-to-cache source-dir-name buildfile-dir)
              buildfile-dir)
          (progn
            (flymake-log 3 "buildfile for %s not found" source-dir-name)
            nil)))))
Richard M. Stallman's avatar
Richard M. Stallman committed
340 341 342 343

(defun flymake-fix-file-name (name)
  "Replace all occurences of '\' with '/'."
  (when name
344 345 346 347
    (setq name (expand-file-name name))
    (setq name (abbreviate-file-name name))
    (setq name (directory-file-name name))
    name))
Eli Zaretskii's avatar
Eli Zaretskii committed
348

349
(defun flymake-same-files (file-name-one file-name-two)
Richard M. Stallman's avatar
Richard M. Stallman committed
350
  "Check if FILE-NAME-ONE and FILE-NAME-TWO point to same file.
351
Return t if so, nil if not."
Richard M. Stallman's avatar
Richard M. Stallman committed
352 353 354
  (equal (flymake-fix-file-name file-name-one)
	 (flymake-fix-file-name file-name-two)))

Eli Zaretskii's avatar
Eli Zaretskii committed
355
(defcustom flymake-master-file-dirs '("." "./src" "./UnitTest")
356
  "Dirs where to look for master files."
Richard M. Stallman's avatar
Richard M. Stallman committed
357 358
  :group 'flymake
  :type '(repeat (string)))
Eli Zaretskii's avatar
Eli Zaretskii committed
359 360

(defcustom flymake-master-file-count-limit 32
Richard M. Stallman's avatar
Richard M. Stallman committed
361 362 363
  "Max number of master files to check."
  :group 'flymake
  :type 'integer)
364

Kim F. Storm's avatar
Kim F. Storm committed
365 366
;; This is bound dynamically to pass a parameter to a sort predicate below
(defvar flymake-included-file-name)
Eli Zaretskii's avatar
Eli Zaretskii committed
367

368
(defun flymake-find-possible-master-files (file-name master-file-dirs masks)
369
  "Find (by name and location) all possible master files.
370
Master files are .cpp and .c for and .h.  Files are searched for
371
starting from the .h directory and max max-level parent dirs.
Eli Zaretskii's avatar
Eli Zaretskii committed
372
File contents are not checked."
373
  (let* ((dirs master-file-dirs)
Richard M. Stallman's avatar
Richard M. Stallman committed
374
	 (files  nil)
375 376 377
	 (done   nil))

    (while (and (not done) dirs)
378
      (let* ((dir (expand-file-name (car dirs) (file-name-directory file-name)))
379 380 381 382 383 384 385 386 387 388
	     (masks masks))
	(while (and (file-exists-p dir) (not done) masks)
	  (let* ((mask        (car masks))
		 (dir-files   (directory-files dir t mask)))

	    (flymake-log 3 "dir %s, %d file(s) for mask %s"
			 dir (length dir-files) mask)
	    (while (and (not done) dir-files)
	      (when (not (file-directory-p (car dir-files)))
		(setq files (cons (car dir-files) files))
Richard M. Stallman's avatar
Richard M. Stallman committed
389 390 391
		(when (>= (length files) flymake-master-file-count-limit)
		  (flymake-log 3 "master file count limit (%d) reached" flymake-master-file-count-limit)
		  (setq done t)))
392 393 394
	      (setq dir-files (cdr dir-files))))
	  (setq masks (cdr masks))))
      (setq dirs (cdr dirs)))
Richard M. Stallman's avatar
Richard M. Stallman committed
395
    (when files
Kim F. Storm's avatar
Kim F. Storm committed
396 397
      (let ((flymake-included-file-name (file-name-nondirectory file-name)))
	(setq files (sort files 'flymake-master-file-compare))))
Richard M. Stallman's avatar
Richard M. Stallman committed
398 399
    (flymake-log 3 "found %d possible master file(s)" (length files))
    files))
Eli Zaretskii's avatar
Eli Zaretskii committed
400

401
(defun flymake-master-file-compare (file-one file-two)
402
  "Compare two files specified by FILE-ONE and FILE-TWO.
403
This function is used in sort to move most possible file names
404
to the beginning of the list (File.h -> File.cpp moved to top)."
Richard M. Stallman's avatar
Richard M. Stallman committed
405 406 407
  (and (equal (file-name-sans-extension flymake-included-file-name)
	      (file-name-sans-extension (file-name-nondirectory file-one)))
       (not (equal file-one file-two))))
Eli Zaretskii's avatar
Eli Zaretskii committed
408 409

(defcustom flymake-check-file-limit 8192
Richard M. Stallman's avatar
Richard M. Stallman committed
410 411 412
  "Max number of chars to look at when checking possible master file."
  :group 'flymake
  :type 'integer)
Eli Zaretskii's avatar
Eli Zaretskii committed
413

414 415 416 417 418
(defun flymake-check-patch-master-file-buffer
       (master-file-temp-buffer
        master-file-name patched-master-file-name
        source-file-name patched-source-file-name
        include-dirs regexp)
Richard M. Stallman's avatar
Richard M. Stallman committed
419
  "Check if MASTER-FILE-NAME is a master file for SOURCE-FILE-NAME.
420 421 422 423 424
For .cpp master file this means it includes SOURCE-FILE-NAME (.h).
If yes, patch a copy of MASTER-FILE-NAME to include PATCHED-SOURCE-FILE-NAME
instead of SOURCE-FILE-NAME.
Whether a buffer for MATER-FILE-NAME exists, use it as a source
instead of reading master file from disk."
425 426
  (let* ((source-file-nondir (file-name-nondirectory source-file-name))
         (found                     nil)
Richard M. Stallman's avatar
Richard M. Stallman committed
427 428
	 (inc-name                  nil)
	 (search-limit              flymake-check-file-limit))
429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465
    (setq regexp
          (format regexp	; "[ \t]*#[ \t]*include[ \t]*\"\\(.*%s\\)\""
                  (regexp-quote source-file-nondir)))
    (unwind-protect
        (with-current-buffer master-file-temp-buffer
          (when (> search-limit (point-max))
            (setq search-limit (point-max)))
          (flymake-log 3 "checking %s against regexp %s"
                       master-file-name regexp)
          (goto-char (point-min))
          (while (and (< (point) search-limit)
                      (re-search-forward regexp search-limit t))
            (let ((match-beg   (match-beginning 1))
                  (match-end   (match-end 1)))

              (flymake-log 3 "found possible match for %s" source-file-nondir)
              (setq inc-name (match-string 1))
              (when (eq t (compare-strings
                           source-file-nondir nil nil
                           inc-name (- (length inc-name)
                                       (length source-file-nondir)) nil))
                (flymake-log 3 "inc-name=%s" inc-name)
                (when (flymake-check-include source-file-name inc-name
                                             include-dirs)
                  (setq found t)
                  ;;  replace-match is not used here as it fails in
                  ;; XEmacs with 'last match not a buffer' error as
                  ;; check-includes calls replace-in-string
                  (flymake-replace-region
                   match-beg match-end
                   (file-name-nondirectory patched-source-file-name))))
              (forward-line 1)))
          (when found
            (flymake-save-buffer-in-file patched-master-file-name)))
      ;;+(flymake-log 3 "killing buffer %s"
      ;;                (buffer-name master-file-temp-buffer))
      (kill-buffer master-file-temp-buffer))
466
    ;;+(flymake-log 3 "check-patch master file %s: %s" master-file-name found)
Richard M. Stallman's avatar
Richard M. Stallman committed
467 468 469
    (when found
      (flymake-log 2 "found master file %s" master-file-name))
    found))
Eli Zaretskii's avatar
Eli Zaretskii committed
470

471
(defun flymake-replace-region (beg end rep)
Richard M. Stallman's avatar
Richard M. Stallman committed
472 473
  "Replace text in BUFFER in region (BEG END) with REP."
  (save-excursion
474 475 476 477
    (goto-char end)
    ;; Insert before deleting, so as to better preserve markers's positions.
    (insert rep)
    (delete-region beg end)))
Eli Zaretskii's avatar
Eli Zaretskii committed
478

479
(defun flymake-read-file-to-temp-buffer (file-name)
Richard M. Stallman's avatar
Richard M. Stallman committed
480 481
  "Insert contents of FILE-NAME into newly created temp buffer."
  (let* ((temp-buffer (get-buffer-create (generate-new-buffer-name (concat "flymake:" (file-name-nondirectory file-name))))))
Stefan Monnier's avatar
Stefan Monnier committed
482
    (with-current-buffer temp-buffer
Richard M. Stallman's avatar
Richard M. Stallman committed
483 484
      (insert-file-contents file-name))
    temp-buffer))
Eli Zaretskii's avatar
Eli Zaretskii committed
485

486
(defun flymake-copy-buffer-to-temp-buffer (buffer)
Richard M. Stallman's avatar
Richard M. Stallman committed
487
  "Copy contents of BUFFER into newly created temp buffer."
488 489 490 491 492
  (with-current-buffer
      (get-buffer-create (generate-new-buffer-name
                          (concat "flymake:" (buffer-name buffer))))
    (insert-buffer-substring buffer)
    (current-buffer)))
Eli Zaretskii's avatar
Eli Zaretskii committed
493

494
(defun flymake-check-include (source-file-name inc-name include-dirs)
Richard M. Stallman's avatar
Richard M. Stallman committed
495
  "Check if SOURCE-FILE-NAME can be found in include path.
496 497 498 499 500 501 502 503 504 505 506
Return t if it can be found via include path using INC-NAME."
  (if (file-name-absolute-p inc-name)
      (flymake-same-files source-file-name inc-name)
    (while (and include-dirs
                (not (flymake-same-files
                      source-file-name
                      (concat (file-name-directory source-file-name)
                              "/" (car include-dirs)
                              "/" inc-name))))
      (setq include-dirs (cdr include-dirs)))
    include-dirs))
Eli Zaretskii's avatar
Eli Zaretskii committed
507

508
(defun flymake-find-buffer-for-file (file-name)
Richard M. Stallman's avatar
Richard M. Stallman committed
509
  "Check if there exists a buffer visiting FILE-NAME.
510
Return t if so, nil if not."
Richard M. Stallman's avatar
Richard M. Stallman committed
511 512 513
  (let ((buffer-name (get-file-buffer file-name)))
    (if buffer-name
	(get-buffer buffer-name))))
Eli Zaretskii's avatar
Eli Zaretskii committed
514

515
(defun flymake-create-master-file (source-file-name patched-source-file-name get-incl-dirs-f create-temp-f masks include-regexp)
Richard M. Stallman's avatar
Richard M. Stallman committed
516
  "Save SOURCE-FILE-NAME with a different name.
517
Find master file, patch and save it."
Richard M. Stallman's avatar
Richard M. Stallman committed
518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539
  (let* ((possible-master-files     (flymake-find-possible-master-files source-file-name flymake-master-file-dirs masks))
	 (master-file-count         (length possible-master-files))
	 (idx                       0)
	 (temp-buffer               nil)
	 (master-file-name          nil)
	 (patched-master-file-name  nil)
	 (found                     nil))

    (while (and (not found) (< idx master-file-count))
      (setq master-file-name (nth idx possible-master-files))
      (setq patched-master-file-name (funcall create-temp-f master-file-name "flymake_master"))
      (if (flymake-find-buffer-for-file master-file-name)
	  (setq temp-buffer (flymake-copy-buffer-to-temp-buffer (flymake-find-buffer-for-file master-file-name)))
	(setq temp-buffer (flymake-read-file-to-temp-buffer master-file-name)))
      (setq found
	    (flymake-check-patch-master-file-buffer
	     temp-buffer
	     master-file-name
	     patched-master-file-name
	     source-file-name
	     patched-source-file-name
	     (funcall get-incl-dirs-f (file-name-directory master-file-name))
540
	     include-regexp))
Richard M. Stallman's avatar
Richard M. Stallman committed
541 542 543 544 545 546 547
      (setq idx (1+ idx)))
    (if found
	(list master-file-name patched-master-file-name)
      (progn
	(flymake-log 3 "none of %d master file(s) checked includes %s" master-file-count
		     (file-name-nondirectory source-file-name))
	nil))))
Eli Zaretskii's avatar
Eli Zaretskii committed
548

549 550 551 552 553 554
(defun flymake-save-buffer-in-file (file-name)
  (save-restriction
    (widen)
    (make-directory (file-name-directory file-name) 1)
    (write-region (point-min) (point-max) file-name nil 566))
  (flymake-log 3 "saved buffer %s in file %s" (buffer-name) file-name))
Eli Zaretskii's avatar
Eli Zaretskii committed
555

556
(defun flymake-save-string-to-file (file-name data)
Richard M. Stallman's avatar
Richard M. Stallman committed
557 558
  "Save string DATA to file FILE-NAME."
  (write-region data nil file-name nil 566))
Eli Zaretskii's avatar
Eli Zaretskii committed
559

560
(defun flymake-read-file-to-string (file-name)
Richard M. Stallman's avatar
Richard M. Stallman committed
561 562 563 564
  "Read contents of file FILE-NAME and return as a string."
  (with-temp-buffer
    (insert-file-contents file-name)
    (buffer-substring (point-min) (point-max))))
Eli Zaretskii's avatar
Eli Zaretskii committed
565

566
(defun flymake-process-filter (process output)
Richard M. Stallman's avatar
Richard M. Stallman committed
567
  "Parse OUTPUT and highlight error lines.
568
It's flymake process filter."
569
  (let ((source-buffer (process-buffer process)))
Eli Zaretskii's avatar
Eli Zaretskii committed
570

571 572
    (flymake-log 3 "received %d byte(s) of output from process %d"
                 (length output) (process-id process))
Richard M. Stallman's avatar
Richard M. Stallman committed
573
    (when source-buffer
574 575
      (with-current-buffer source-buffer
        (flymake-parse-output-and-residual output)))))
Eli Zaretskii's avatar
Eli Zaretskii committed
576

577
(defun flymake-process-sentinel (process event)
Richard M. Stallman's avatar
Richard M. Stallman committed
578
  "Sentinel for syntax check buffers."
579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608
  (when (memq (process-status process) '(signal exit))
    (let* ((exit-status       (process-exit-status process))
           (command           (process-command process))
           (source-buffer     (process-buffer process))
           (cleanup-f         (flymake-get-cleanup-function (buffer-file-name source-buffer))))

      (flymake-log 2 "process %d exited with code %d"
                   (process-id process) exit-status)
      (condition-case err
          (progn
            (flymake-log 3 "cleaning up using %s" cleanup-f)
            (when (buffer-live-p source-buffer)
              (with-current-buffer source-buffer
                (funcall cleanup-f)))

            (delete-process process)
            (setq flymake-processes (delq process flymake-processes))

            (when (buffer-live-p source-buffer)
              (with-current-buffer source-buffer

                (flymake-parse-residual)
                (flymake-post-syntax-check exit-status command)
                (setq flymake-is-running nil))))
        (error
         (let ((err-str (format "Error in process sentinel for buffer %s: %s"
                                source-buffer (error-message-string err))))
           (flymake-log 0 err-str)
           (with-current-buffer source-buffer
             (setq flymake-is-running nil))))))))
Eli Zaretskii's avatar
Eli Zaretskii committed
609

610 611 612 613 614 615 616 617
(defun flymake-post-syntax-check (exit-status command)
  (setq flymake-err-info flymake-new-err-info)
  (setq flymake-new-err-info nil)
  (setq flymake-err-info
        (flymake-fix-line-numbers
         flymake-err-info 1 (flymake-count-lines)))
  (flymake-delete-own-overlays)
  (flymake-highlight-err-lines flymake-err-info)
Richard M. Stallman's avatar
Richard M. Stallman committed
618
  (let (err-count warn-count)
619 620 621 622
    (setq err-count (flymake-get-err-count flymake-err-info "e"))
    (setq warn-count  (flymake-get-err-count flymake-err-info "w"))
    (flymake-log 2 "%s: %d error(s), %d warning(s) in %.2f second(s)"
		 (buffer-name) err-count warn-count
Richard M. Stallman's avatar
Richard M. Stallman committed
623
		 (- (flymake-float-time) flymake-check-start-time))
624
    (setq flymake-check-start-time nil)
Richard M. Stallman's avatar
Richard M. Stallman committed
625

Richard M. Stallman's avatar
Richard M. Stallman committed
626 627
    (if (and (equal 0 err-count) (equal 0 warn-count))
	(if (equal 0 exit-status)
628 629 630
	    (flymake-report-status "" "")	; PASSED
	  (if (not flymake-check-was-interrupted)
	      (flymake-report-fatal-status "CFGERR"
Richard M. Stallman's avatar
Richard M. Stallman committed
631
					   (format "Configuration error has occured while running %s" command))
632 633
	    (flymake-report-status nil ""))) ; "STOPPED"
      (flymake-report-status (format "%d/%d" err-count warn-count) ""))))
Eli Zaretskii's avatar
Eli Zaretskii committed
634

635
(defun flymake-parse-output-and-residual (output)
Richard M. Stallman's avatar
Richard M. Stallman committed
636
  "Split OUTPUT into lines, merge in residual if necessary."
637 638 639 640 641 642 643 644 645 646 647
  (let* ((buffer-residual     flymake-output-residual)
         (total-output        (if buffer-residual (concat buffer-residual output) output))
         (lines-and-residual  (flymake-split-output total-output))
         (lines               (nth 0 lines-and-residual))
         (new-residual        (nth 1 lines-and-residual)))
    (setq flymake-output-residual new-residual)
    (setq flymake-new-err-info
          (flymake-parse-err-lines
           flymake-new-err-info lines))))

(defun flymake-parse-residual ()
Richard M. Stallman's avatar
Richard M. Stallman committed
648
  "Parse residual if it's non empty."
649 650 651 652 653 654
  (when flymake-output-residual
    (setq flymake-new-err-info
          (flymake-parse-err-lines
           flymake-new-err-info
           (list flymake-output-residual)))
    (setq flymake-output-residual nil)))
Eli Zaretskii's avatar
Eli Zaretskii committed
655

656
(defun flymake-er-make-er (line-no line-err-info-list)
Richard M. Stallman's avatar
Richard M. Stallman committed
657
  (list line-no line-err-info-list))
658 659

(defun flymake-er-get-line (err-info)
Richard M. Stallman's avatar
Richard M. Stallman committed
660
  (nth 0 err-info))
661 662

(defun flymake-er-get-line-err-info-list (err-info)
Richard M. Stallman's avatar
Richard M. Stallman committed
663
  (nth 1 err-info))
Eli Zaretskii's avatar
Eli Zaretskii committed
664

665 666 667 668
(defstruct (flymake-ler
            (:constructor nil)
            (:constructor flymake-ler-make-ler (file line type text &optional full-file)))
  file line type text full-file)
669 670

(defun flymake-ler-set-file (line-err-info file)
Richard M. Stallman's avatar
Richard M. Stallman committed
671
  (flymake-ler-make-ler file
672 673 674 675
			(flymake-ler-line line-err-info)
			(flymake-ler-type line-err-info)
			(flymake-ler-text line-err-info)
			(flymake-ler-full-file line-err-info)))
676 677

(defun flymake-ler-set-full-file (line-err-info full-file)
678 679 680 681
  (flymake-ler-make-ler (flymake-ler-file line-err-info)
			(flymake-ler-line line-err-info)
			(flymake-ler-type line-err-info)
			(flymake-ler-text line-err-info)
682 683 684
			full-file))

(defun flymake-ler-set-line (line-err-info line)
685
  (flymake-ler-make-ler (flymake-ler-file line-err-info)
Eli Zaretskii's avatar
Eli Zaretskii committed
686
			line
687 688 689
			(flymake-ler-type line-err-info)
			(flymake-ler-text line-err-info)
			(flymake-ler-full-file line-err-info)))
Eli Zaretskii's avatar
Eli Zaretskii committed
690

691
(defun flymake-get-line-err-count (line-err-info-list type)
Richard M. Stallman's avatar
Richard M. Stallman committed
692
  "Return number of errors of specified TYPE.
693
Value of TYPE is either \"e\" or \"w\"."
Richard M. Stallman's avatar
Richard M. Stallman committed
694 695 696
  (let* ((idx        0)
	 (count      (length line-err-info-list))
	 (err-count  0))
Eli Zaretskii's avatar
Eli Zaretskii committed
697

Richard M. Stallman's avatar
Richard M. Stallman committed
698
    (while (< idx count)
699
      (when (equal type (flymake-ler-type (nth idx line-err-info-list)))
Richard M. Stallman's avatar
Richard M. Stallman committed
700 701 702
	(setq err-count (1+ err-count)))
      (setq idx (1+ idx)))
    err-count))
Eli Zaretskii's avatar
Eli Zaretskii committed
703

704
(defun flymake-get-err-count (err-info-list type)
Richard M. Stallman's avatar
Richard M. Stallman committed
705 706 707 708 709 710 711 712
  "Return number of errors of specified TYPE for ERR-INFO-LIST."
  (let* ((idx        0)
	 (count      (length err-info-list))
	 (err-count  0))
    (while (< idx count)
      (setq err-count (+ err-count (flymake-get-line-err-count (nth 1 (nth idx err-info-list)) type)))
      (setq idx (1+ idx)))
    err-count))
713 714

(defun flymake-fix-line-numbers (err-info-list min-line max-line)
Richard M. Stallman's avatar
Richard M. Stallman committed
715
  "Replace line numbers with fixed value.
716 717
If line-numbers is less than MIN-LINE, set line numbers to MIN-LINE.
If line numbers is greater than MAX-LINE, set line numbers to MAX-LINE.
Kim F. Storm's avatar
Kim F. Storm committed
718
The reason for this fix is because some compilers might report
719
line number outside the file being compiled."
Richard M. Stallman's avatar
Richard M. Stallman committed
720 721 722 723 724 725 726 727 728 729 730 731 732
  (let* ((count     (length err-info-list))
	 (err-info  nil)
	 (line      0))
    (while (> count 0)
      (setq err-info (nth (1- count) err-info-list))
      (setq line (flymake-er-get-line err-info))
      (when (or (< line min-line) (> line max-line))
	(setq line (if (< line min-line) min-line max-line))
	(setq err-info-list (flymake-set-at err-info-list (1- count)
					    (flymake-er-make-er line
								(flymake-er-get-line-err-info-list err-info)))))
      (setq count (1- count))))
  err-info-list)
Eli Zaretskii's avatar
Eli Zaretskii committed
733

734
(defun flymake-highlight-err-lines (err-info-list)
Richard M. Stallman's avatar
Richard M. Stallman committed
735
  "Highlight error lines in BUFFER using info from ERR-INFO-LIST."
736 737 738
  (save-excursion
    (dolist (err err-info-list)
      (flymake-highlight-line (car err) (nth 1 err)))))
Eli Zaretskii's avatar
Eli Zaretskii committed
739

740
(defun flymake-overlay-p (ov)
Richard M. Stallman's avatar
Richard M. Stallman committed
741 742
  "Determine whether overlay OV was created by flymake."
  (and (overlayp ov) (overlay-get ov 'flymake-overlay)))
Eli Zaretskii's avatar
Eli Zaretskii committed
743

744
(defun flymake-make-overlay (beg end tooltip-text face mouse-face)
Richard M. Stallman's avatar
Richard M. Stallman committed
745 746 747 748 749 750 751 752
  "Allocate a flymake overlay in range BEG and END."
  (when (not (flymake-region-has-flymake-overlays beg end))
    (let ((ov (make-overlay beg end nil t t)))
      (overlay-put ov 'face           face)
      (overlay-put ov 'mouse-face     mouse-face)
      (overlay-put ov 'help-echo      tooltip-text)
      (overlay-put ov 'flymake-overlay  t)
      (overlay-put ov 'priority 100)
753
      ;;+(flymake-log 3 "created overlay %s" ov)
Richard M. Stallman's avatar
Richard M. Stallman committed
754 755
      ov)
    (flymake-log 3 "created an overlay at (%d-%d)" beg end)))
Eli Zaretskii's avatar
Eli Zaretskii committed
756

757
(defun flymake-delete-own-overlays ()
Richard M. Stallman's avatar
Richard M. Stallman committed
758
  "Delete all flymake overlays in BUFFER."
759 760 761 762 763
  (dolist (ol (overlays-in (point-min) (point-max)))
    (when (flymake-overlay-p ol)
      (delete-overlay ol)
      ;;+(flymake-log 3 "deleted overlay %s" ol)
      )))
Eli Zaretskii's avatar
Eli Zaretskii committed
764

765
(defun flymake-region-has-flymake-overlays (beg end)
Richard M. Stallman's avatar
Richard M. Stallman committed
766
  "Check if region specified by BEG and END has overlay.
767
Return t if it has at least one flymake overlay, nil if no overlay."
Richard M. Stallman's avatar
Richard M. Stallman committed
768 769 770 771 772
  (let ((ov                  (overlays-in beg end))
	(has-flymake-overlays  nil))
    (while (consp ov)
      (when (flymake-overlay-p (car ov))
	(setq has-flymake-overlays t))
Stefan Monnier's avatar
Stefan Monnier committed
773 774
      (setq ov (cdr ov)))
    has-flymake-overlays))
Eli Zaretskii's avatar
Eli Zaretskii committed
775

776
(defface flymake-errline
777 778
  ;;+   '((((class color)) (:foreground "OrangeRed" :bold t :underline t))
  ;;+   '((((class color)) (:underline "OrangeRed"))
Richard M. Stallman's avatar
Richard M. Stallman committed
779 780 781 782
  '((((class color)) (:background "LightPink"))
    (t (:bold t)))
  "Face used for marking error lines."
  :group 'flymake)
Eli Zaretskii's avatar
Eli Zaretskii committed
783

784
(defface flymake-warnline
Richard M. Stallman's avatar
Richard M. Stallman committed
785 786 787 788
  '((((class color)) (:background "LightBlue2"))
    (t (:bold t)))
  "Face used for marking warning lines."
  :group 'flymake)
Eli Zaretskii's avatar
Eli Zaretskii committed
789

790
(defun flymake-highlight-line (line-no line-err-info-list)
Richard M. Stallman's avatar
Richard M. Stallman committed
791
  "Highlight line LINE-NO in current buffer.
792
Perhaps use text from LINE-ERR-INFO-LIST to enhance highlighting."
Richard M. Stallman's avatar
Richard M. Stallman committed
793 794 795 796 797
  (goto-line line-no)
  (let* ((line-beg (flymake-line-beginning-position))
	 (line-end (flymake-line-end-position))
	 (beg      line-beg)
	 (end      line-end)
798
	 (tooltip-text (flymake-ler-text (nth 0 line-err-info-list)))
Richard M. Stallman's avatar
Richard M. Stallman committed
799 800 801 802 803
	 (face     nil))

    (goto-char line-beg)
    (while (looking-at "[ \t]")
      (forward-char))
Eli Zaretskii's avatar
Eli Zaretskii committed
804

Richard M. Stallman's avatar
Richard M. Stallman committed
805
    (setq beg (point))
Eli Zaretskii's avatar
Eli Zaretskii committed
806

Richard M. Stallman's avatar
Richard M. Stallman committed
807 808 809
    (goto-char line-end)
    (while (and (looking-at "[ \t\r\n]") (> (point) 1))
      (backward-char))
Eli Zaretskii's avatar
Eli Zaretskii committed
810

Richard M. Stallman's avatar
Richard M. Stallman committed
811
    (setq end (1+ (point)))
Eli Zaretskii's avatar
Eli Zaretskii committed
812

Richard M. Stallman's avatar
Richard M. Stallman committed
813 814 815
    (when (<= end beg)
      (setq beg line-beg)
      (setq end line-end))
816

Richard M. Stallman's avatar
Richard M. Stallman committed
817 818 819 820
    (when (= end beg)
      (goto-char end)
      (forward-line)
      (setq end (point)))
821

Richard M. Stallman's avatar
Richard M. Stallman committed
822
    (if (> (flymake-get-line-err-count line-err-info-list "e") 0)
823 824
	(setq face 'flymake-errline)
      (setq face 'flymake-warnline))
825

Richard M. Stallman's avatar
Richard M. Stallman committed
826
    (flymake-make-overlay beg end tooltip-text face nil)))
Eli Zaretskii's avatar
Eli Zaretskii committed
827

828
(defun flymake-parse-err-lines (err-info-list lines)
Richard M. Stallman's avatar
Richard M. Stallman committed
829 830 831 832 833
  "Parse err LINES, store info in ERR-INFO-LIST."
  (let* ((count              (length lines))
	 (idx                0)
	 (line-err-info      nil)
	 (real-file-name     nil)
834
	 (source-file-name   buffer-file-name)
Richard M. Stallman's avatar
Richard M. Stallman committed
835 836 837 838 839
	 (get-real-file-name-f (flymake-get-real-file-name-function source-file-name)))

    (while (< idx count)
      (setq line-err-info (flymake-parse-line (nth idx lines)))
      (when line-err-info
840
	(setq real-file-name (funcall get-real-file-name-f
841
                                      (flymake-ler-file line-err-info)))
Richard M. Stallman's avatar
Richard M. Stallman committed
842 843 844 845 846 847 848 849 850 851
	(setq line-err-info (flymake-ler-set-full-file line-err-info real-file-name))

	(if (flymake-same-files real-file-name source-file-name)
	    (setq line-err-info (flymake-ler-set-file line-err-info nil))
	  (setq line-err-info (flymake-ler-set-file line-err-info (file-name-nondirectory real-file-name))))

	(setq err-info-list (flymake-add-err-info err-info-list line-err-info)))
      (flymake-log 3 "parsed '%s', %s line-err-info" (nth idx lines) (if line-err-info "got" "no"))
      (setq idx (1+ idx)))
    err-info-list))
Eli Zaretskii's avatar
Eli Zaretskii committed
852

853
(defun flymake-split-output (output)
Richard M. Stallman's avatar
Richard M. Stallman committed
854
  "Split OUTPUT into lines.
855 856
Return last one as residual if it does not end with newline char.
Returns ((LINES) RESIDUAL)."
Richard M. Stallman's avatar
Richard M. Stallman committed
857 858 859 860 861 862 863 864
  (when (and output (> (length output) 0))
    (let* ((lines (flymake-split-string output "[\n\r]+"))
	   (complete (equal "\n" (char-to-string (aref output (1- (length output))))))
	   (residual nil))
      (when (not complete)
	(setq residual (car (last lines)))
	(setq lines (butlast lines)))
      (list lines residual))))
Eli Zaretskii's avatar
Eli Zaretskii committed
865

866
(defun flymake-reformat-err-line-patterns-from-compile-el (original-list)
Richard M. Stallman's avatar
Richard M. Stallman committed
867
  "Grab error line patterns from ORIGINAL-LIST in compile.el format.
868
Convert it to flymake internal format."
Richard M. Stallman's avatar
Richard M. Stallman committed
869
  (let* ((converted-list '()))
Stefan Monnier's avatar
Stefan Monnier committed
870 871 872 873 874 875 876 877 878
    (dolist (item original-list)
      (setq item (cdr item))
      (let ((regexp (nth 0 item))
	    (file (nth 1 item))
	    (line (nth 2 item))
	    (col (nth 3 item)))
	(if (consp file)	(setq file (car file)))
	(if (consp line)	(setq line (car line)))
	(if (consp col)	(setq col (car col)))
Lute Kamstra's avatar
Lute Kamstra committed
879

Stefan Monnier's avatar
Stefan Monnier committed
880 881
	(when (not (functionp line))
	  (setq converted-list (cons (list regexp file line col) converted-list)))))
Richard M. Stallman's avatar
Richard M. Stallman committed
882
    converted-list))
883

884
(require 'compile)
Richard M. Stallman's avatar
Richard M. Stallman committed
885 886 887 888

(defvar flymake-err-line-patterns ; regexp file-idx line-idx col-idx (optional) text-idx(optional), match-end to end of string is error text
  (append
   '(
889
     ;; MS Visual C++ 6.0
Richard M. Stallman's avatar
Richard M. Stallman committed
890 891
     ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\)) \: \\(\\(error\\|warning\\|fatal error\\) \\(C[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
      1 3 nil 4)
892
     ;; jikes
Richard M. Stallman's avatar
Richard M. Stallman committed
893 894
     ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\:[0-9]+\:[0-9]+\:[0-9]+\: \\(\\(Error\\|Warning\\|Caution\\|Semantic Error\\):[ \t\n]*\\(.+\\)\\)"
      1 3 nil 4)
895
     ;; MS midl
Richard M. Stallman's avatar
Richard M. Stallman committed
896 897
     ("midl[ ]*:[ ]*\\(command line error .*\\)"
      nil nil nil 1)
898
     ;; MS C#
Richard M. Stallman's avatar
Richard M. Stallman committed
899 900
     ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\),[0-9]+)\: \\(\\(error\\|warning\\|fatal error\\) \\(CS[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
      1 3 nil 4)
901
     ;; perl
Richard M. Stallman's avatar
Richard M. Stallman committed
902
     ("\\(.*\\) at \\([^ \n]+\\) line \\([0-9]+\\)[,.\n]" 2 3 nil 1)
903 904
     ;; LaTeX warnings (fileless) ("\\(LaTeX \\(Warning\\|Error\\): .*\\) on input line \\([0-9]+\\)" 20 3 nil 1)
     ;; ant/javac
Richard M. Stallman's avatar
Richard M. Stallman committed
905 906