summaryrefslogtreecommitdiff
path: root/lisp/progmodes/flymake.el
blob: 5ba84f8991e9b6a4d4cde6bfa08bc9157354f0f2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
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
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
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
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
;;; flymake.el -- a universal on-the-fly syntax checker

;; Copyright (C) 2003-2012 Free Software Foundation, Inc.

;; Author:  Pavel Kobyakov <pk_at_work@yahoo.com>
;; Maintainer: Pavel Kobyakov <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 3 of the License, 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.  If not, see <http://www.gnu.org/licenses/>.

;;; 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)

;;; Bugs/todo:

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

;;; Code:

(eval-when-compile (require 'cl-lib))
(if (featurep 'xemacs) (require 'overlay))

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

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

(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)

;;;; [[ cross-emacs compatibility routines
(defsubst flymake-makehash (&optional test)
  (if (fboundp 'make-hash-table)
      (if test (make-hash-table :test test) (make-hash-table))
    (with-no-warnings
      (makehash test))))

(defalias 'flymake-float-time
  (if (fboundp 'float-time)
      'float-time
    (if (featurep 'xemacs)
	(lambda ()
	  (multiple-value-bind (s0 s1 s2) (values-list (current-time))
	    (+ (* (float (ash 1 16)) s0) (float s1) (* 0.0000001 s2)))))))

(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.
Zero-length substrings at the beginning and end of the list are omitted."
      (let ((split (split-string str pattern)))
        (while (equal (car split) "") (setq split (cdr split)))
        (setq split (nreverse split))
        (while (equal (car split) "") (setq split (cdr split)))
        (nreverse split)))))

(defalias 'flymake-get-temp-dir
  (if (fboundp 'temp-directory)
      'temp-directory
    (lambda () temporary-file-directory)))

(defun flymake-posn-at-point-as-event (&optional position window dx dy)
  "Return pixel position of top left corner of glyph at POSITION,
relative to top left corner of WINDOW, as a mouse-1 click
event (identical to the event that would be triggered by clicking
mouse button 1 at the top left corner of the glyph).

POSITION and WINDOW default to the position of point in the
selected window.

DX and DY specify optional offsets from the top left of the glyph."
  (unless window (setq window (selected-window)))
  (unless position (setq position (window-point window)))
  (unless dx (setq dx 0))
  (unless dy (setq dy 0))

  (let* ((pos (posn-at-point position window))
         (x-y (posn-x-y pos))
         (edges (window-inside-pixel-edges window))
         (win-x-y (window-pixel-edges window)))
    ;; adjust for window edges
    (setcar (nthcdr 2 pos)
            (cons (+ (car x-y) (car  edges) (- (car win-x-y))  dx)
                  (+ (cdr x-y) (cadr edges) (- (cadr win-x-y)) dy)))
    (list 'mouse-1 pos)))

(defun flymake-popup-menu (menu-data)
  "Pop up the flymake menu at point, using the data MENU-DATA.
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)
      (let* ((pos         (flymake-get-point-pixel-pos))
             (x-pos       (nth 0 pos))
	     (y-pos       (nth 1 pos))
	     (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))
	(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))
                      (flymake-posn-at-point-as-event)
                    (list (flymake-get-point-pixel-pos) (selected-window)))
                  (flymake-make-emacs-menu menu-data))))

(defun flymake-make-emacs-menu (menu-data)
  "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."
  (let* ((menu-title     (nth 0 menu-data))
	 (menu-items     (nth 1 menu-data))
	 (menu-commands  (mapcar (lambda (foo)
                                   (cons (nth 0 foo) (nth 1 foo)))
                                 menu-items)))
    (list menu-title (cons "" menu-commands))))

(if (featurep 'xemacs) (progn

(defun flymake-nop ())

(defun flymake-make-xemacs-menu (menu-data)
  "Return a menu specifier using MENU-DATA."
  (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)))

)) ;; xemacs

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

(defun flymake-current-row ()
  "Return current row number in current frame."
  (if (fboundp 'window-edges)
      (+ (car (cdr (window-edges))) (count-lines (window-start) (point)))
    (count-lines (window-start) (point))))

(defun flymake-selected-frame ()
  (if (fboundp 'window-edges)
      (selected-frame)
    (selected-window)))

(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)

;;;; ]]

(defcustom flymake-log-level -1
  "Logging level, only messages with level lower or equal will be logged.
-1 = NONE, 0 = ERROR, 1 = WARNING, 2 = INFO, 3 = DEBUG"
  :group 'flymake
  :type 'integer)

(defun flymake-log (level text &rest args)
  "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')."
  (if (<= level flymake-log-level)
      (let* ((msg (apply 'format text args)))
	(message "%s" msg)
	;;(with-temp-buffer
	;;    (insert msg)
	;;   (insert "\n")
	;;   (flymake-save-buffer-in-file "d:/flymake.log" t)  ; make log file name customizable
	;;)
	)))

(defun flymake-ins-after (list pos val)
  "Insert VAL into LIST after position POS."
  (let ((tmp (copy-sequence list)))	; (???)
    (setcdr (nthcdr pos tmp) (cons val (nthcdr (1+ pos) tmp)))
    tmp))

(defun flymake-set-at (list pos val)
  "Set VAL at position POS in LIST."
  (let ((tmp (copy-sequence list)))	; (???)
    (setcar (nthcdr pos tmp) val)
    tmp))

(defvar flymake-processes nil
  "List of currently active flymake processes.")

(defvar flymake-output-residual nil)

(make-variable-buffer-local 'flymake-output-residual)

(defgroup flymake nil
  "Universal on-the-fly syntax checker."
  :version "23.1"
  :group 'tools)

(defcustom flymake-allowed-file-name-masks
  '(("\\.\\(?:c\\(?:pp\\|xx\\|\\+\\+\\)?\\|CC\\)\\'" flymake-simple-make-init)
    ("\\.xml\\'" flymake-xml-init)
    ("\\.html?\\'" flymake-xml-init)
    ("\\.cs\\'" flymake-simple-make-init)
    ("\\.p[ml]\\'" flymake-perl-init)
    ("\\.php[345]?\\'" flymake-php-init)
    ("\\.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)
    ("\\.tex\\'" flymake-simple-tex-init)
    ("\\.idl\\'" flymake-simple-make-init)
    ;; ("\\.cpp\\'" 1)
    ;; ("\\.java\\'" 3)
    ;; ("\\.h\\'" 2 ("\\.cpp\\'" "\\.c\\'")
    ;; ("[ \t]*#[ \t]*include[ \t]*\"\\([\w0-9/\\_\.]*[/\\]*\\)\\(%s\\)\"" 1 2))
    ;; ("\\.idl\\'" 1)
    ;; ("\\.odl\\'" 1)
    ;; ("[0-9]+\\.tex\\'" 2 ("\\.tex\\'")
    ;; ("[ \t]*\\input[ \t]*{\\(.*\\)\\(%s\\)}" 1 2 ))
    ;; ("\\.tex\\'" 1)
    )
  "Files syntax checking is allowed for."
  :group 'flymake
  :type '(repeat (string symbol symbol symbol)))

(defun flymake-get-file-name-mode-and-masks (file-name)
  "Return the corresponding entry from `flymake-allowed-file-name-masks'."
  (unless (stringp file-name)
    (error "Invalid file-name"))
  (let ((fnm flymake-allowed-file-name-masks)
	(mode-and-masks  nil))
    (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)))
    (flymake-log 3 "file %s, init=%s" file-name (car mode-and-masks))
    mode-and-masks))

(defun flymake-can-syntax-check-file (file-name)
  "Determine whether we can syntax check FILE-NAME.
Return nil if we cannot, non-nil if we can."
  (if (flymake-get-init-function file-name) t nil))

(defun flymake-get-init-function (file-name)
  "Return init function to be used for the file."
  (let* ((init-f  (nth 0 (flymake-get-file-name-mode-and-masks file-name))))
    ;;(flymake-log 0 "calling %s" init-f)
    ;;(funcall init-f (current-buffer))
    init-f))

(defun flymake-get-cleanup-function (file-name)
  "Return cleanup function to be used for the file."
  (or (nth 1 (flymake-get-file-name-mode-and-masks file-name))
      'flymake-simple-cleanup))

(defun flymake-get-real-file-name-function (file-name)
  (or (nth 2 (flymake-get-file-name-mode-and-masks file-name))
      'flymake-get-real-file-name))

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

(defun flymake-get-buildfile-from-cache (dir-name)
  (gethash dir-name flymake-find-buildfile-cache))

(defun flymake-add-buildfile-to-cache (dir-name buildfile)
  (puthash dir-name buildfile flymake-find-buildfile-cache))

(defun flymake-clear-buildfile-cache ()
  (clrhash flymake-find-buildfile-cache))

(defun flymake-find-buildfile (buildfile-name source-dir-name)
  "Find buildfile starting from current directory.
Buildfile includes Makefile, build.xml etc.
Return its file name if found, or nil if not found."
  (or (flymake-get-buildfile-from-cache source-dir-name)
      (let* ((file (locate-dominating-file source-dir-name buildfile-name)))
        (if file
            (progn
              (flymake-log 3 "found buildfile at %s" file)
              (flymake-add-buildfile-to-cache source-dir-name file)
              file)
          (progn
            (flymake-log 3 "buildfile for %s not found" source-dir-name)
            nil)))))

(defun flymake-fix-file-name (name)
  "Replace all occurrences of '\' with '/'."
  (when name
    (setq name (expand-file-name name))
    (setq name (abbreviate-file-name name))
    (setq name (directory-file-name name))
    name))

(defun flymake-same-files (file-name-one file-name-two)
  "Check if FILE-NAME-ONE and FILE-NAME-TWO point to same file.
Return t if so, nil if not."
  (equal (flymake-fix-file-name file-name-one)
	 (flymake-fix-file-name file-name-two)))

(defcustom flymake-master-file-dirs '("." "./src" "./UnitTest")
  "Dirs where to look for master files."
  :group 'flymake
  :type '(repeat (string)))

(defcustom flymake-master-file-count-limit 32
  "Max number of master files to check."
  :group 'flymake
  :type 'integer)

;; This is bound dynamically to pass a parameter to a sort predicate below
(defvar flymake-included-file-name)

(defun flymake-find-possible-master-files (file-name master-file-dirs masks)
  "Find (by name and location) all possible master files.
Master files include .cpp and .c for .h.  Files are searched for
starting from the .h directory and max max-level parent dirs.
File contents are not checked."
  (let* ((dirs master-file-dirs)
	 (files  nil)
	 (done   nil))

    (while (and (not done) dirs)
      (let* ((dir (expand-file-name (car dirs) (file-name-directory file-name)))
	     (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))
		(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)))
	      (setq dir-files (cdr dir-files))))
	  (setq masks (cdr masks))))
      (setq dirs (cdr dirs)))
    (when files
      (let ((flymake-included-file-name (file-name-nondirectory file-name)))
	(setq files (sort files 'flymake-master-file-compare))))
    (flymake-log 3 "found %d possible master file(s)" (length files))
    files))

(defun flymake-master-file-compare (file-one file-two)
  "Compare two files specified by FILE-ONE and FILE-TWO.
This function is used in sort to move most possible file names
to the beginning of the list (File.h -> File.cpp moved to top)."
  (and (equal (file-name-sans-extension flymake-included-file-name)
	      (file-name-base file-one))
       (not (equal file-one file-two))))

(defcustom flymake-check-file-limit 8192
  "Maximum number of chars to look at when checking possible master file.
Nil means search the entire file."
  :group 'flymake
  :type '(choice (const :tag "No limit" nil)
                 (integer :tag "Characters")))

(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)
  "Check if MASTER-FILE-NAME is a master file for SOURCE-FILE-NAME.
If yes, patch a copy of MASTER-FILE-NAME to include PATCHED-SOURCE-FILE-NAME
instead of SOURCE-FILE-NAME.

For example, foo.cpp is a master file if it includes foo.h.

Whether a buffer for MATER-FILE-NAME exists, use it as a source
instead of reading master file from disk."
  (let* ((source-file-nondir (file-name-nondirectory source-file-name))
         (source-file-extension (file-name-extension source-file-nondir))
         (source-file-nonext (file-name-sans-extension source-file-nondir))
         (found                     nil)
	 (inc-name                  nil)
	 (search-limit              flymake-check-file-limit))
    (setq regexp
          (format regexp	; "[ \t]*#[ \t]*include[ \t]*\"\\(.*%s\\)\""
                  ;; Hack for tex files, where \include often excludes .tex.
                  ;; Maybe this is safe generally.
                  (if (and (> (length source-file-extension) 1)
                           (string-equal source-file-extension "tex"))
                      (format "%s\\(?:\\.%s\\)?"
                              (regexp-quote source-file-nonext)
                              (regexp-quote source-file-extension))
                    (regexp-quote source-file-nondir))))
    (unwind-protect
        (with-current-buffer master-file-temp-buffer
          (if (or (not search-limit)
                  (> 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))
              (and (> (length source-file-extension) 1)
                   (string-equal source-file-extension "tex")
                   (not (string-match (format "\\.%s\\'" source-file-extension)
                                      inc-name))
                   (setq inc-name (concat inc-name "." source-file-extension)))
              (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))
    ;;+(flymake-log 3 "check-patch master file %s: %s" master-file-name found)
    (when found
      (flymake-log 2 "found master file %s" master-file-name))
    found))

(defun flymake-replace-region (beg end rep)
  "Replace text in BUFFER in region (BEG END) with REP."
  (save-excursion
    (goto-char end)
    ;; Insert before deleting, so as to better preserve markers's positions.
    (insert rep)
    (delete-region beg end)))

(defun flymake-read-file-to-temp-buffer (file-name)
  "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))))))
    (with-current-buffer temp-buffer
      (insert-file-contents file-name))
    temp-buffer))

(defun flymake-copy-buffer-to-temp-buffer (buffer)
  "Copy contents of BUFFER into newly created temp buffer."
  (with-current-buffer
      (get-buffer-create (generate-new-buffer-name
                          (concat "flymake:" (buffer-name buffer))))
    (insert-buffer-substring buffer)
    (current-buffer)))

(defun flymake-check-include (source-file-name inc-name include-dirs)
  "Check if SOURCE-FILE-NAME can be found in include path.
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))

(defun flymake-find-buffer-for-file (file-name)
  "Check if there exists a buffer visiting FILE-NAME.
Return t if so, nil if not."
  (let ((buffer-name (get-file-buffer file-name)))
    (if buffer-name
	(get-buffer buffer-name))))

(defun flymake-create-master-file (source-file-name patched-source-file-name get-incl-dirs-f create-temp-f masks include-regexp)
  "Save SOURCE-FILE-NAME with a different name.
Find master file, patch and save it."
  (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))
	     include-regexp))
      (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))))

(defun flymake-save-buffer-in-file (file-name)
  (make-directory (file-name-directory file-name) 1)
  (write-region nil nil file-name nil 566)
  (flymake-log 3 "saved buffer %s in file %s" (buffer-name) file-name))

(defun flymake-save-string-to-file (file-name data)
  "Save string DATA to file FILE-NAME."
  (write-region data nil file-name nil 566))

(defun flymake-read-file-to-string (file-name)
  "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))))

(defun flymake-process-filter (process output)
  "Parse OUTPUT and highlight error lines.
It's flymake process filter."
  (let ((source-buffer (process-buffer process)))

    (flymake-log 3 "received %d byte(s) of output from process %d"
                 (length output) (process-id process))
    (when (buffer-live-p source-buffer)
      (with-current-buffer source-buffer
        (flymake-parse-output-and-residual output)))))

(defun flymake-process-sentinel (process _event)
  "Sentinel for syntax check buffers."
  (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))))))))

(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)
  (let (err-count warn-count)
    (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
		 (- (flymake-float-time) flymake-check-start-time))
    (setq flymake-check-start-time nil)

    (if (and (equal 0 err-count) (equal 0 warn-count))
	(if (equal 0 exit-status)
	    (flymake-report-status "" "")	; PASSED
	  (if (not flymake-check-was-interrupted)
	      (flymake-report-fatal-status "CFGERR"
					   (format "Configuration error has occurred while running %s" command))
	    (flymake-report-status nil ""))) ; "STOPPED"
      (flymake-report-status (format "%d/%d" err-count warn-count) ""))))

(defun flymake-parse-output-and-residual (output)
  "Split OUTPUT into lines, merge in residual if necessary."
  (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 ()
  "Parse residual if it's non empty."
  (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)))

(defun flymake-er-make-er (line-no line-err-info-list)
  (list line-no line-err-info-list))

(defun flymake-er-get-line (err-info)
  (nth 0 err-info))

(defun flymake-er-get-line-err-info-list (err-info)
  (nth 1 err-info))

(cl-defstruct (flymake-ler
            (:constructor nil)
            (:constructor flymake-ler-make-ler (file line type text &optional full-file)))
  file line type text full-file)

(defun flymake-ler-set-file (line-err-info file)
  (flymake-ler-make-ler file
			(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)))

(defun flymake-ler-set-full-file (line-err-info full-file)
  (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)
			full-file))

(defun flymake-ler-set-line (line-err-info line)
  (flymake-ler-make-ler (flymake-ler-file line-err-info)
			line
			(flymake-ler-type line-err-info)
			(flymake-ler-text line-err-info)
			(flymake-ler-full-file line-err-info)))

(defun flymake-get-line-err-count (line-err-info-list type)
  "Return number of errors of specified TYPE.
Value of TYPE is either \"e\" or \"w\"."
  (let* ((idx        0)
	 (count      (length line-err-info-list))
	 (err-count  0))

    (while (< idx count)
      (when (equal type (flymake-ler-type (nth idx line-err-info-list)))
	(setq err-count (1+ err-count)))
      (setq idx (1+ idx)))
    err-count))

(defun flymake-get-err-count (err-info-list type)
  "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))

(defun flymake-fix-line-numbers (err-info-list min-line max-line)
  "Replace line numbers with fixed value.
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.
The reason for this fix is because some compilers might report
line number outside the file being compiled."
  (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)

(defun flymake-highlight-err-lines (err-info-list)
  "Highlight error lines in BUFFER using info from ERR-INFO-LIST."
  (save-excursion
    (dolist (err err-info-list)
      (flymake-highlight-line (car err) (nth 1 err)))))

(defun flymake-overlay-p (ov)
  "Determine whether overlay OV was created by flymake."
  (and (overlayp ov) (overlay-get ov 'flymake-overlay)))

(defcustom flymake-error-bitmap '(exclamation-mark error)
  "Bitmap (a symbol) used in the fringe for indicating errors.
The value may also be a list of two elements where the second
element specifies the face for the bitmap.  For possible bitmap
symbols, see `fringe-bitmaps'.  See also `flymake-warning-bitmap'.

The option `flymake-fringe-indicator-position' controls how and where
this is used."
  :group 'flymake
  :version "24.3"
  :type '(choice (symbol :tag "Bitmap")
                 (list :tag "Bitmap and face"
                       (symbol :tag "Bitmap")
                       (face :tag "Face"))))

(defcustom flymake-warning-bitmap 'question-mark
  "Bitmap (a symbol) used in the fringe for indicating warnings.
The value may also be a list of two elements where the second
element specifies the face for the bitmap.  For possible bitmap
symbols, see `fringe-bitmaps'.  See also `flymake-error-bitmap'.

The option `flymake-fringe-indicator-position' controls how and where
this is used."
  :group 'flymake
  :version "24.3"
  :type '(choice (symbol :tag "Bitmap")
                 (list :tag "Bitmap and face"
                       (symbol :tag "Bitmap")
                       (face :tag "Face"))))

(defcustom flymake-fringe-indicator-position 'left-fringe
  "The position to put flymake fringe indicator.
The value can be nil (do not use indicators), `left-fringe' or `right-fringe'.
See `flymake-error-bitmap' and `flymake-warning-bitmap'."
  :group 'flymake
  :version "24.3"
  :type '(choice (const left-fringe)
		 (const right-fringe)
		 (const :tag "No fringe indicators" nil)))

(defun flymake-make-overlay (beg end tooltip-text face bitmap mouse-face)
  "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))
	  (fringe (and flymake-fringe-indicator-position
		       (propertize "!" 'display
				   (cons flymake-fringe-indicator-position
					 (if (listp bitmap)
					     bitmap
					   (list bitmap)))))))
      (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)
      (overlay-put ov 'evaporate t)
      (overlay-put ov 'before-string fringe)
      ;;+(flymake-log 3 "created overlay %s" ov)
      ov)
    (flymake-log 3 "created an overlay at (%d-%d)" beg end)))

(defun flymake-delete-own-overlays ()
  "Delete all flymake overlays in BUFFER."
  (dolist (ol (overlays-in (point-min) (point-max)))
    (when (flymake-overlay-p ol)
      (delete-overlay ol)
      ;;+(flymake-log 3 "deleted overlay %s" ol)
      )))

(defun flymake-region-has-flymake-overlays (beg end)
  "Check if region specified by BEG and END has overlay.
Return t if it has at least one flymake overlay, nil if no overlay."
  (let ((ov                  (overlays-in beg end))
	(has-flymake-overlays  nil))
    (while (consp ov)
      (when (flymake-overlay-p (car ov))
	(setq has-flymake-overlays t))
      (setq ov (cdr ov)))
    has-flymake-overlays))

(defface flymake-errline
  '((t :inherit error))
  "Face used for marking error lines."
  :group 'flymake)

(defface flymake-warnline
  '((t :inherit warning))
  "Face used for marking warning lines."
  :group 'flymake)

(defun flymake-highlight-line (line-no line-err-info-list)
  "Highlight line LINE-NO in current buffer.
Perhaps use text from LINE-ERR-INFO-LIST to enhance highlighting."
  (goto-char (point-min))
  (forward-line (1- line-no))
  (let* ((line-beg (point-at-bol))
	 (line-end (point-at-eol))
	 (beg      line-beg)
	 (end      line-end)
	 (tooltip-text (flymake-ler-text (nth 0 line-err-info-list)))
	 (face     nil)
	 (bitmap   nil))

    (goto-char line-beg)
    (while (looking-at "[ \t]")
      (forward-char))

    (setq beg (point))

    (goto-char line-end)
    (while (and (looking-at "[ \t\r\n]") (> (point) 1))
      (backward-char))

    (setq end (1+ (point)))

    (when (<= end beg)
      (setq beg line-beg)
      (setq end line-end))

    (when (= end beg)
      (goto-char end)
      (forward-line)
      (setq end (point)))

    (if (> (flymake-get-line-err-count line-err-info-list "e") 0)
	(setq face 'flymake-errline
	      bitmap flymake-error-bitmap)
      (setq face 'flymake-warnline
	    bitmap flymake-warning-bitmap))

    (flymake-make-overlay beg end tooltip-text face bitmap nil)))

(defun flymake-parse-err-lines (err-info-list lines)
  "Parse err LINES, store info in ERR-INFO-LIST."
  (let* ((count              (length lines))
	 (idx                0)
	 (line-err-info      nil)
	 (real-file-name     nil)
	 (source-file-name   buffer-file-name)
	 (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
	(setq real-file-name (funcall get-real-file-name-f
                                      (flymake-ler-file line-err-info)))
	(setq line-err-info (flymake-ler-set-full-file line-err-info real-file-name))

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

(defun flymake-split-output (output)
  "Split OUTPUT into lines.
Return last one as residual if it does not end with newline char.
Returns ((LINES) RESIDUAL)."
  (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))))

(defun flymake-reformat-err-line-patterns-from-compile-el (original-list)
  "Grab error line patterns from ORIGINAL-LIST in compile.el format.
Convert it to flymake internal format."
  (let* ((converted-list '()))
    (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)))

	(when (not (functionp line))
	  (setq converted-list (cons (list regexp file line col) converted-list)))))
    converted-list))

(require 'compile)

(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
   '(
     ;; MS Visual C++ 6.0
     ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\)) \: \\(\\(error\\|warning\\|fatal error\\) \\(C[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
      1 3 nil 4)
     ;; jikes
     ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\:[0-9]+\:[0-9]+\:[0-9]+\: \\(\\(Error\\|Warning\\|Caution\\|Semantic Error\\):[ \t\n]*\\(.+\\)\\)"
      1 3 nil 4)
     ;; MS midl
     ("midl[ ]*:[ ]*\\(command line error .*\\)"
      nil nil nil 1)
     ;; MS C#
     ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\),[0-9]+)\: \\(\\(error\\|warning\\|fatal error\\) \\(CS[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
      1 3 nil 4)
     ;; perl
     ("\\(.*\\) at \\([^ \n]+\\) line \\([0-9]+\\)[,.\n]" 2 3 nil 1)
     ;; PHP
     ("\\(?:Parse\\|Fatal\\) error: \\(.*\\) in \\(.*\\) on line \\([0-9]+\\)" 2 3 nil 1)
     ;; LaTeX warnings (fileless) ("\\(LaTeX \\(Warning\\|Error\\): .*\\) on input line \\([0-9]+\\)" 20 3 nil 1)
     ;; ant/javac.  Note this also matches gcc warnings!
     (" *\\(\\[javac\\] *\\)?\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\\(?:\:[0-9]+\\)?\:[ \t\n]*\\(.+\\)"
      2 4 nil 5))
   ;; compilation-error-regexp-alist)
   (flymake-reformat-err-line-patterns-from-compile-el compilation-error-regexp-alist-alist))
  "Patterns for matching error/warning lines.  Each pattern has the form
\(REGEXP FILE-IDX LINE-IDX COL-IDX ERR-TEXT-IDX).
Use `flymake-reformat-err-line-patterns-from-compile-el' to add patterns
from compile.el")

;;(defcustom flymake-err-line-patterns
;;  '(
;;    ; MS Visual C++ 6.0
;;    ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\)) \: \\(\\(error\\|warning\\|fatal error\\) \\(C[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
;;       1 3 4)
;;   ; jikes
;;   ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\:[0-9]+\:[0-9]+\:[0-9]+\: \\(\\(Error\\|Warning\\|Caution\\):[ \t\n]*\\(.+\\)\\)"
;;       1 3 4))
;;    "patterns for matching error/warning lines, (regexp file-idx line-idx err-text-idx)"
;;   :group 'flymake
;;   :type '(repeat (string number number number))
;;)

(defvar flymake-warning-re "^[wW]arning"
  "Regexp matching against err-text to detect a warning.")

(defun flymake-parse-line (line)
  "Parse LINE to see if it is an error or warning.
Return its components if so, nil otherwise."
  (let ((raw-file-name nil)
	(line-no 0)
	(err-type "e")
	(err-text nil)
	(patterns flymake-err-line-patterns)
	(matched nil))
    (while (and patterns (not matched))
      (when (string-match (car (car patterns)) line)
	(let* ((file-idx (nth 1 (car patterns)))
	       (line-idx (nth 2 (car patterns))))

	  (setq raw-file-name (if file-idx (match-string file-idx line) nil))
	  (setq line-no       (if line-idx (string-to-number (match-string line-idx line)) 0))
	  (setq err-text      (if (> (length (car patterns)) 4)
				  (match-string (nth 4 (car patterns)) line)
				(flymake-patch-err-text (substring line (match-end 0)))))
	  (or err-text (setq err-text "<no error text>"))
	  (if (and err-text (string-match flymake-warning-re err-text))
	      (setq err-type "w")
	    )
	  (flymake-log 3 "parse line: file-idx=%s line-idx=%s file=%s line=%s text=%s" file-idx line-idx
		       raw-file-name line-no err-text)
	  (setq matched t)))
      (setq patterns (cdr patterns)))
    (if matched
	(flymake-ler-make-ler raw-file-name line-no err-type err-text)
      ())))

(defun flymake-find-err-info (err-info-list line-no)
  "Find (line-err-info-list pos) for specified LINE-NO."
  (if err-info-list
      (let* ((line-err-info-list  nil)
	     (pos       0)
	     (count     (length err-info-list)))

	(while (and (< pos count) (< (car (nth pos err-info-list)) line-no))
	  (setq pos (1+ pos)))
	(when (and (< pos count) (equal (car (nth pos err-info-list)) line-no))
	  (setq line-err-info-list (flymake-er-get-line-err-info-list (nth pos err-info-list))))
	(list line-err-info-list pos))
    '(nil 0)))

(defun flymake-line-err-info-is-less-or-equal (line-one line-two)
  (or (string< (flymake-ler-type line-one) (flymake-ler-type line-two))
      (and (string= (flymake-ler-type line-one) (flymake-ler-type line-two))
	   (not (flymake-ler-file line-one)) (flymake-ler-file line-two))
      (and (string= (flymake-ler-type line-one) (flymake-ler-type line-two))
	   (or (and      (flymake-ler-file line-one)       (flymake-ler-file line-two))
	       (and (not (flymake-ler-file line-one)) (not (flymake-ler-file line-two)))))))

(defun flymake-add-line-err-info (line-err-info-list line-err-info)
  "Update LINE-ERR-INFO-LIST with the error LINE-ERR-INFO.
For the format of LINE-ERR-INFO, see `flymake-ler-make-ler'.
The new element is inserted in the proper position, according to
the predicate `flymake-line-err-info-is-less-or-equal'.
The updated value of LINE-ERR-INFO-LIST is returned."
  (if (not line-err-info-list)
      (list line-err-info)
    (let* ((count  (length line-err-info-list))
	   (idx    0))
      (while (and (< idx count) (flymake-line-err-info-is-less-or-equal (nth idx line-err-info-list) line-err-info))
	(setq idx (1+ idx)))
      (cond ((equal 0     idx)    (setq line-err-info-list (cons line-err-info line-err-info-list)))
	    (t                    (setq line-err-info-list (flymake-ins-after line-err-info-list (1- idx) line-err-info))))
      line-err-info-list)))

(defun flymake-add-err-info (err-info-list line-err-info)
  "Update ERR-INFO-LIST with the error LINE-ERR-INFO, preserving sort order.
Returns the updated value of ERR-INFO-LIST.
For the format of ERR-INFO-LIST, see `flymake-err-info'.
For the format of LINE-ERR-INFO, see `flymake-ler-make-ler'."
  (let* ((line-no             (if (flymake-ler-file line-err-info) 1 (flymake-ler-line line-err-info)))
	 (info-and-pos        (flymake-find-err-info err-info-list line-no))
	 (exists              (car info-and-pos))
	 (pos                 (nth 1 info-and-pos))
	 (line-err-info-list  nil)
	 (err-info            nil))

    (if exists
	(setq line-err-info-list (flymake-er-get-line-err-info-list (car (nthcdr pos err-info-list)))))
    (setq line-err-info-list (flymake-add-line-err-info line-err-info-list line-err-info))

    (setq err-info (flymake-er-make-er line-no line-err-info-list))
    (cond (exists             (setq err-info-list (flymake-set-at err-info-list pos err-info)))
	  ((equal 0 pos)      (setq err-info-list (cons err-info err-info-list)))
	  (t                  (setq err-info-list (flymake-ins-after err-info-list (1- pos) err-info))))
    err-info-list))

(defun flymake-get-project-include-dirs-imp (basedir)
  "Include dirs for the project current file belongs to."
  (if (flymake-get-project-include-dirs-from-cache basedir)
      (progn
	(flymake-get-project-include-dirs-from-cache basedir))
    ;;else
    (let* ((command-line  (concat "make -C "
				  (shell-quote-argument basedir)
				  " DUMPVARS=INCLUDE_DIRS dumpvars"))
	   (output        (shell-command-to-string command-line))
	   (lines         (flymake-split-string output "\n"))
	   (count         (length lines))
	   (idx           0)
	   (inc-dirs      nil))
      (while (and (< idx count) (not (string-match "^INCLUDE_DIRS=.*" (nth idx lines))))
	(setq idx (1+ idx)))
      (when (< idx count)
	(let* ((inc-lines  (flymake-split-string (nth idx lines) " *-I"))
	       (inc-count  (length inc-lines)))
	  (while (> inc-count 0)
	    (when (not (string-match "^INCLUDE_DIRS=.*" (nth (1- inc-count) inc-lines)))
	      (push (flymake-replace-regexp-in-string "\"" "" (nth (1- inc-count) inc-lines)) inc-dirs))
	    (setq inc-count (1- inc-count)))))
      (flymake-add-project-include-dirs-to-cache basedir inc-dirs)
      inc-dirs)))

(defcustom flymake-get-project-include-dirs-function 'flymake-get-project-include-dirs-imp
  "Function used to get project include dirs, one parameter: basedir name."
  :group 'flymake
  :type 'function)

(defun flymake-get-project-include-dirs (basedir)
  (funcall flymake-get-project-include-dirs-function basedir))

(defun flymake-get-system-include-dirs ()
  "System include dirs - from the 'INCLUDE' env setting."
  (let* ((includes (getenv "INCLUDE")))
    (if includes (flymake-split-string includes path-separator) nil)))

(defvar flymake-project-include-dirs-cache (flymake-makehash 'equal))

(defun flymake-get-project-include-dirs-from-cache (base-dir)
  (gethash base-dir flymake-project-include-dirs-cache))

(defun flymake-add-project-include-dirs-to-cache (base-dir include-dirs)
  (puthash base-dir include-dirs flymake-project-include-dirs-cache))

(defun flymake-clear-project-include-dirs-cache ()
  (clrhash flymake-project-include-dirs-cache))

(defun flymake-get-include-dirs (base-dir)
  "Get dirs to use when resolving local file names."
  (let* ((include-dirs (append '(".") (flymake-get-project-include-dirs base-dir) (flymake-get-system-include-dirs))))
    include-dirs))

;; (defun flymake-restore-formatting ()
;;   "Remove any formatting made by flymake."
;;   )

;; (defun flymake-get-program-dir (buffer)
;;   "Get dir to start program in."
;;   (unless (bufferp buffer)
;;     (error "Invalid buffer"))
;;   (with-current-buffer buffer
;;     default-directory))

(defun flymake-safe-delete-file (file-name)
  (when (and file-name (file-exists-p file-name))
    (delete-file file-name)
    (flymake-log 1 "deleted file %s" file-name)))

(defun flymake-safe-delete-directory (dir-name)
  (condition-case nil
      (progn
	(delete-directory dir-name)
	(flymake-log 1 "deleted dir %s" dir-name))
    (error
     (flymake-log 1 "Failed to delete dir %s, error ignored" dir-name))))

(defcustom flymake-compilation-prevents-syntax-check t
  "If non-nil, don't start syntax check if compilation is running."
  :group 'flymake
  :type 'boolean)

(defun flymake-start-syntax-check ()
  "Start syntax checking for current buffer."
  (interactive)
  (flymake-log 3 "flymake is running: %s" flymake-is-running)
  (when (and (not flymake-is-running)
             (flymake-can-syntax-check-file buffer-file-name))
    (when (or (not flymake-compilation-prevents-syntax-check)
              (not (flymake-compilation-is-running))) ;+ (flymake-rep-ort-status buffer "COMP")
      (flymake-clear-buildfile-cache)
      (flymake-clear-project-include-dirs-cache)

      (setq flymake-check-was-interrupted nil)

      (let* ((source-file-name  buffer-file-name)
             (init-f (flymake-get-init-function source-file-name))
             (cleanup-f (flymake-get-cleanup-function source-file-name))
             (cmd-and-args (funcall init-f))
             (cmd          (nth 0 cmd-and-args))
             (args         (nth 1 cmd-and-args))
             (dir          (nth 2 cmd-and-args)))
        (if (not cmd-and-args)
            (progn
              (flymake-log 0 "init function %s for %s failed, cleaning up" init-f source-file-name)
              (funcall cleanup-f))
          (progn
            (setq flymake-last-change-time nil)
            (flymake-start-syntax-check-process cmd args dir)))))))

(defun flymake-start-syntax-check-process (cmd args dir)
  "Start syntax check process."
  (condition-case err
      (let* ((process
              (let ((default-directory (or dir default-directory)))
                (when dir
                  (flymake-log 3 "starting process on dir %s" dir))
                (apply 'start-file-process
                       "flymake-proc" (current-buffer) cmd args))))
        (set-process-sentinel process 'flymake-process-sentinel)
        (set-process-filter process 'flymake-process-filter)
        (push process flymake-processes)

        (setq flymake-is-running t)
        (setq flymake-last-change-time nil)
        (setq flymake-check-start-time (flymake-float-time))

        (flymake-report-status nil "*")
        (flymake-log 2 "started process %d, command=%s, dir=%s"
                     (process-id process) (process-command process)
                     default-directory)
        process)
    (error
     (let* ((err-str (format "Failed to launch syntax check process '%s' with args %s: %s"
                             cmd args (error-message-string err)))
            (source-file-name buffer-file-name)
            (cleanup-f        (flymake-get-cleanup-function source-file-name)))
       (flymake-log 0 err-str)
       (funcall cleanup-f)
       (flymake-report-fatal-status "PROCERR" err-str)))))

(defun flymake-kill-process (proc)
  "Kill process PROC."
  (kill-process proc)
  (let* ((buf (process-buffer proc)))
    (when (buffer-live-p buf)
      (with-current-buffer buf
	(setq flymake-check-was-interrupted t))))
  (flymake-log 1 "killed process %d" (process-id proc)))

(defun flymake-stop-all-syntax-checks ()
  "Kill all syntax check processes."
  (interactive)
  (while flymake-processes
    (flymake-kill-process (pop flymake-processes))))

(defun flymake-compilation-is-running ()
  (and (boundp 'compilation-in-progress)
       compilation-in-progress))

(defun flymake-compile ()
  "Kill all flymake syntax checks, start compilation."
  (interactive)
  (flymake-stop-all-syntax-checks)
  (call-interactively 'compile))

(defcustom flymake-no-changes-timeout 0.5
  "Time to wait after last change before starting compilation."
  :group 'flymake
  :type 'number)

(defun flymake-on-timer-event (buffer)
  "Start a syntax check for buffer BUFFER if necessary."
  (when (buffer-live-p buffer)
    (with-current-buffer buffer
      (when (and (not flymake-is-running)
		 flymake-last-change-time
		 (> (- (flymake-float-time) flymake-last-change-time)
                    flymake-no-changes-timeout))

	(setq flymake-last-change-time nil)
	(flymake-log 3 "starting syntax check as more than 1 second passed since last change")
	(flymake-start-syntax-check)))))

(defun flymake-current-line-no ()
  "Return number of current line in current buffer."
  (count-lines (point-min) (if (eobp) (point) (1+ (point)))))

(defun flymake-count-lines ()
  "Return number of lines in buffer BUFFER."
  (count-lines (point-min) (point-max)))

(defun flymake-display-err-menu-for-current-line ()
  "Display a menu with errors/warnings for current line if it has errors and/or warnings."
  (interactive)
  (let* ((line-no             (flymake-current-line-no))
	 (line-err-info-list  (nth 0 (flymake-find-err-info flymake-err-info line-no)))
	 (menu-data           (flymake-make-err-menu-data line-no line-err-info-list))
	 (choice              nil))
    (if menu-data
	(progn
	  (setq choice (flymake-popup-menu menu-data))
	  (flymake-log 3 "choice=%s" choice)
	  (when choice
	    (eval choice)))
      (flymake-log 1 "no errors for line %d" line-no))))

(defun flymake-make-err-menu-data (line-no line-err-info-list)
  "Make a (menu-title (item-title item-action)*) list with errors/warnings from LINE-ERR-INFO-LIST."
  (let* ((menu-items  nil))
    (when line-err-info-list
      (let* ((count           (length line-err-info-list))
	     (menu-item-text  nil))
	(while (> count 0)
	  (setq menu-item-text (flymake-ler-text (nth (1- count) line-err-info-list)))
	  (let* ((file       (flymake-ler-file (nth (1- count) line-err-info-list)))
		 (full-file  (flymake-ler-full-file (nth (1- count) line-err-info-list)))
		 (line       (flymake-ler-line (nth (1- count) line-err-info-list))))
	    (if file
		(setq menu-item-text (concat menu-item-text " - " file "(" (format "%d" line) ")")))
	    (setq menu-items (cons (list menu-item-text
					 (if file (list 'flymake-goto-file-and-line full-file line) nil))
				   menu-items)))
	  (setq count (1- count)))
	(flymake-log 3 "created menu-items with %d item(s)" (length menu-items))))
    (if menu-items
	(let* ((menu-title  (format "Line %d: %d error(s), %d warning(s)" line-no
				    (flymake-get-line-err-count line-err-info-list "e")
				    (flymake-get-line-err-count line-err-info-list "w"))))
	  (list menu-title menu-items))
      nil)))

(defun flymake-goto-file-and-line (file line)
  "Try to get buffer for FILE and goto line LINE in it."
  (if (not (file-exists-p file))
      (flymake-log 1 "File %s does not exist" file)
    (find-file file)
    (goto-char (point-min))
    (forward-line (1- line))))

;; flymake minor mode declarations
(defvar flymake-mode-line nil)

(make-variable-buffer-local 'flymake-mode-line)

(defvar flymake-mode-line-e-w nil)

(make-variable-buffer-local 'flymake-mode-line-e-w)

(defvar flymake-mode-line-status nil)

(make-variable-buffer-local 'flymake-mode-line-status)

(defun flymake-report-status (e-w &optional status)
  "Show status in mode line."
  (when e-w
    (setq flymake-mode-line-e-w e-w))
  (when status
    (setq flymake-mode-line-status status))
  (let* ((mode-line " Flymake"))
    (when (> (length flymake-mode-line-e-w) 0)
      (setq mode-line (concat mode-line ":" flymake-mode-line-e-w)))
    (setq mode-line (concat mode-line flymake-mode-line-status))
    (setq flymake-mode-line mode-line)
    (force-mode-line-update)))

(defun flymake-display-warning (warning)
  "Display a warning to user."
  (message-box warning))

(defcustom flymake-gui-warnings-enabled t
  "Enables/disables GUI warnings."
  :group 'flymake
  :type 'boolean)

(defun flymake-report-fatal-status (status warning)
  "Display a warning and switch flymake mode off."
  (when flymake-gui-warnings-enabled
    (flymake-display-warning (format "Flymake: %s. Flymake will be switched OFF" warning))
    )
  (flymake-mode 0)
  (flymake-log 0 "switched OFF Flymake mode for buffer %s due to fatal status %s, warning %s"
               (buffer-name) status warning))

(defcustom flymake-start-syntax-check-on-find-file t
  "Start syntax check on find file."
  :group 'flymake
  :type 'boolean)

;;;###autoload
(define-minor-mode flymake-mode
  "Toggle on-the-fly syntax checking.
With a prefix argument ARG, enable the mode if ARG is positive,
and disable it otherwise.  If called from Lisp, enable the mode
if ARG is omitted or nil."
  :group 'flymake :lighter flymake-mode-line
  (cond

   ;; Turning the mode ON.
   (flymake-mode
    (cond
     ((not buffer-file-name)
      (message "Flymake unable to run without a buffer file name"))
     ((not (flymake-can-syntax-check-file buffer-file-name))
      (flymake-log 2 "flymake cannot check syntax in buffer %s" (buffer-name)))
     (t
      (add-hook 'after-change-functions 'flymake-after-change-function nil t)
      (add-hook 'after-save-hook 'flymake-after-save-hook nil t)
      (add-hook 'kill-buffer-hook 'flymake-kill-buffer-hook nil t)
      ;;+(add-hook 'find-file-hook 'flymake-find-file-hook)

      (flymake-report-status "" "")

      (setq flymake-timer
            (run-at-time nil 1 'flymake-on-timer-event (current-buffer)))

      (when (and flymake-start-syntax-check-on-find-file
                 ;; Since we write temp files in current dir, there's no point
                 ;; trying if the directory is read-only (bug#8954).
                 (file-writable-p (file-name-directory buffer-file-name)))
        (with-demoted-errors
          (flymake-start-syntax-check))))))

   ;; Turning the mode OFF.
   (t
    (remove-hook 'after-change-functions 'flymake-after-change-function t)
    (remove-hook 'after-save-hook 'flymake-after-save-hook t)
    (remove-hook 'kill-buffer-hook 'flymake-kill-buffer-hook t)
    ;;+(remove-hook 'find-file-hook (function flymake-find-file-hook) t)

    (flymake-delete-own-overlays)

    (when flymake-timer
      (cancel-timer flymake-timer)
      (setq flymake-timer nil))

    (setq flymake-is-running nil))))

;;;###autoload
(defun flymake-mode-on ()
  "Turn flymake mode on."
  (flymake-mode 1)
  (flymake-log 1 "flymake mode turned ON for buffer %s" (buffer-name)))

;;;###autoload
(defun flymake-mode-off ()
  "Turn flymake mode off."
  (flymake-mode 0)
  (flymake-log 1 "flymake mode turned OFF for buffer %s" (buffer-name)))

(defcustom flymake-start-syntax-check-on-newline t
  "Start syntax check if newline char was added/removed from the buffer."
  :group 'flymake
  :type 'boolean)

(defun flymake-after-change-function (start stop _len)
  "Start syntax check for current buffer if it isn't already running."
  ;;+(flymake-log 0 "setting change time to %s" (flymake-float-time))
  (let((new-text (buffer-substring start stop)))
    (when (and flymake-start-syntax-check-on-newline (equal new-text "\n"))
      (flymake-log 3 "starting syntax check as new-line has been seen")
      (flymake-start-syntax-check))
    (setq flymake-last-change-time (flymake-float-time))))

(defun flymake-after-save-hook ()
  (if (local-variable-p 'flymake-mode (current-buffer))	; (???) other way to determine whether flymake is active in buffer being saved?
      (progn
	(flymake-log 3 "starting syntax check as buffer was saved")
	(flymake-start-syntax-check)))) ; no more mode 3. cannot start check if mode 3 (to temp copies) is active - (???)

(defun flymake-kill-buffer-hook ()
  (when flymake-timer
    (cancel-timer flymake-timer)
    (setq flymake-timer nil)))

;;;###autoload
(defun flymake-find-file-hook ()
  ;;+(when flymake-start-syntax-check-on-find-file
  ;;+    (flymake-log 3 "starting syntax check on file open")
  ;;+    (flymake-start-syntax-check)
  ;;+)
  (when (and (not (local-variable-p 'flymake-mode (current-buffer)))
	     (flymake-can-syntax-check-file buffer-file-name))
    (flymake-mode)
    (flymake-log 3 "automatically turned ON flymake mode")))

(defun flymake-get-first-err-line-no (err-info-list)
  "Return first line with error."
  (when err-info-list
    (flymake-er-get-line (car err-info-list))))

(defun flymake-get-last-err-line-no (err-info-list)
  "Return last line with error."
  (when err-info-list
    (flymake-er-get-line (nth (1- (length err-info-list)) err-info-list))))

(defun flymake-get-next-err-line-no (err-info-list line-no)
  "Return next line with error."
  (when err-info-list
    (let* ((count  (length err-info-list))
	   (idx    0))
      (while (and (< idx count) (>= line-no (flymake-er-get-line (nth idx err-info-list))))
	(setq idx (1+ idx)))
      (if (< idx count)
	  (flymake-er-get-line (nth idx err-info-list))))))

(defun flymake-get-prev-err-line-no (err-info-list line-no)
  "Return previous line with error."
  (when err-info-list
    (let* ((count (length err-info-list)))
      (while (and (> count 0) (<= line-no (flymake-er-get-line (nth (1- count) err-info-list))))
	(setq count (1- count)))
      (if (> count 0)
	  (flymake-er-get-line (nth (1- count) err-info-list))))))

(defun flymake-skip-whitespace ()
  "Move forward until non-whitespace is reached."
  (while (looking-at "[ \t]")
    (forward-char)))

(defun flymake-goto-line (line-no)
  "Go to line LINE-NO, then skip whitespace."
  (goto-char (point-min))
  (forward-line (1- line-no))
  (flymake-skip-whitespace))

(defun flymake-goto-next-error ()
  "Go to next error in err ring."
  (interactive)
  (let ((line-no (flymake-get-next-err-line-no flymake-err-info (flymake-current-line-no))))
    (when (not line-no)
      (setq line-no (flymake-get-first-err-line-no flymake-err-info))
      (flymake-log 1 "passed end of file"))
    (if line-no
	(flymake-goto-line line-no)
      (flymake-log 1 "no errors in current buffer"))))

(defun flymake-goto-prev-error ()
  "Go to previous error in err ring."
  (interactive)
  (let ((line-no (flymake-get-prev-err-line-no flymake-err-info (flymake-current-line-no))))
    (when (not line-no)
      (setq line-no (flymake-get-last-err-line-no flymake-err-info))
      (flymake-log 1 "passed beginning of file"))
    (if line-no
	(flymake-goto-line line-no)
      (flymake-log 1 "no errors in current buffer"))))

(defun flymake-patch-err-text (string)
  (if (string-match "^[\n\t :0-9]*\\(.*\\)$" string)
      (match-string 1 string)
    string))

;;;; general init-cleanup and helper routines
(defun flymake-create-temp-inplace (file-name prefix)
  (unless (stringp file-name)
    (error "Invalid file-name"))
  (or prefix
      (setq prefix "flymake"))
  (let* ((ext (file-name-extension file-name))
	 (temp-name (file-truename
		     (concat (file-name-sans-extension file-name)
			     "_" prefix
			     (and ext (concat "." ext))))))
    (flymake-log 3 "create-temp-inplace: file=%s temp=%s" file-name temp-name)
    temp-name))

(defun flymake-create-temp-with-folder-structure (file-name _prefix)
  (unless (stringp file-name)
    (error "Invalid file-name"))

  (let* ((dir       (file-name-directory file-name))
         ;; Not sure what this slash-pos is all about, but I guess it's just
         ;; trying to remove the leading / of absolute file names.
	 (slash-pos (string-match "/" dir))
	 (temp-dir  (expand-file-name (substring dir (1+ slash-pos))
                                      (flymake-get-temp-dir))))

    (file-truename (expand-file-name (file-name-nondirectory file-name)
                                     temp-dir))))

(defun flymake-delete-temp-directory (dir-name)
  "Attempt to delete temp dir created by `flymake-create-temp-with-folder-structure', do not fail on error."
  (let* ((temp-dir    (flymake-get-temp-dir))
	 (suffix      (substring dir-name (1+ (length temp-dir)))))

    (while (> (length suffix) 0)
      (setq suffix (directory-file-name suffix))
      ;;+(flymake-log 0 "suffix=%s" suffix)
      (flymake-safe-delete-directory
       (file-truename (expand-file-name suffix temp-dir)))
      (setq suffix (file-name-directory suffix)))))

(defvar flymake-temp-source-file-name nil)
(make-variable-buffer-local 'flymake-temp-source-file-name)

(defvar flymake-master-file-name nil)
(make-variable-buffer-local 'flymake-master-file-name)

(defvar flymake-temp-master-file-name nil)
(make-variable-buffer-local 'flymake-temp-master-file-name)

(defvar flymake-base-dir nil)
(make-variable-buffer-local 'flymake-base-dir)

(defun flymake-init-create-temp-buffer-copy (create-temp-f)
  "Make a temporary copy of the current buffer, save its name in buffer data and return the name."
  (let*  ((source-file-name       buffer-file-name)
	  (temp-source-file-name  (funcall create-temp-f source-file-name "flymake")))

    (flymake-save-buffer-in-file temp-source-file-name)
    (setq flymake-temp-source-file-name temp-source-file-name)
    temp-source-file-name))

(defun flymake-simple-cleanup ()
  "Do cleanup after `flymake-init-create-temp-buffer-copy'.
Delete temp file."
  (flymake-safe-delete-file flymake-temp-source-file-name)
  (setq flymake-last-change-time nil))

(defun flymake-get-real-file-name (file-name-from-err-msg)
  "Translate file name from error message to \"real\" file name.
Return full-name.  Names are real, not patched."
  (let* ((real-name		nil)
	 (source-file-name	buffer-file-name)
	 (master-file-name	flymake-master-file-name)
	 (temp-source-file-name	flymake-temp-source-file-name)
	 (temp-master-file-name	flymake-temp-master-file-name)
	 (base-dirs
          (list flymake-base-dir
                (file-name-directory source-file-name)
                (if master-file-name (file-name-directory master-file-name))))
	 (files (list (list source-file-name       source-file-name)
                      (list temp-source-file-name  source-file-name)
                      (list master-file-name       master-file-name)
                      (list temp-master-file-name  master-file-name))))

    (when (equal 0 (length file-name-from-err-msg))
      (setq file-name-from-err-msg source-file-name))

    (setq real-name (flymake-get-full-patched-file-name file-name-from-err-msg base-dirs files))
    ;; if real-name is nil, than file name from err msg is none of the files we've patched
    (if (not real-name)
	(setq real-name (flymake-get-full-nonpatched-file-name file-name-from-err-msg base-dirs)))
    (if (not real-name)
	(setq real-name file-name-from-err-msg))
    (setq real-name (flymake-fix-file-name real-name))
    (flymake-log 3 "get-real-file-name: file-name=%s real-name=%s" file-name-from-err-msg real-name)
    real-name))

(defun flymake-get-full-patched-file-name (file-name-from-err-msg base-dirs files)
  (let* ((base-dirs-count  (length base-dirs))
	 (file-count       (length files))
	 (real-name        nil))

    (while (and (not real-name) (> base-dirs-count 0))
      (setq file-count (length files))
      (while (and (not real-name) (> file-count 0))
	(let* ((this-dir        (nth (1- base-dirs-count) base-dirs))
	       (this-file       (nth 0 (nth (1- file-count) files)))
	       (this-real-name  (nth 1 (nth (1- file-count) files))))
	  ;;+(flymake-log 0 "this-dir=%s this-file=%s this-real=%s msg-file=%s" this-dir this-file this-real-name file-name-from-err-msg)
	  (when (and this-dir this-file (flymake-same-files
					 (expand-file-name file-name-from-err-msg this-dir)
					 this-file))
	    (setq real-name this-real-name)))
	(setq file-count (1- file-count)))
      (setq base-dirs-count (1- base-dirs-count)))
    real-name))

(defun flymake-get-full-nonpatched-file-name (file-name-from-err-msg base-dirs)
  (let* ((real-name  nil))
    (if (file-name-absolute-p file-name-from-err-msg)
	(setq real-name file-name-from-err-msg)
      (let* ((base-dirs-count  (length base-dirs)))
	(while (and (not real-name) (> base-dirs-count 0))
	  (let* ((full-name (expand-file-name file-name-from-err-msg
					      (nth (1- base-dirs-count) base-dirs))))
	    (if (file-exists-p full-name)
		(setq real-name full-name))
	    (setq base-dirs-count (1- base-dirs-count))))))
    real-name))

(defun flymake-init-find-buildfile-dir (source-file-name buildfile-name)
  "Find buildfile, store its dir in buffer data and return its dir, if found."
  (let* ((buildfile-dir
          (flymake-find-buildfile buildfile-name
                                  (file-name-directory source-file-name))))
    (if buildfile-dir
        (setq flymake-base-dir buildfile-dir)
      (flymake-log 1 "no buildfile (%s) for %s" buildfile-name source-file-name)
      (flymake-report-fatal-status
       "NOMK" (format "No buildfile (%s) found for %s"
                      buildfile-name source-file-name)))))

(defun flymake-init-create-temp-source-and-master-buffer-copy (get-incl-dirs-f create-temp-f master-file-masks include-regexp)
  "Find master file (or buffer), create its copy along with a copy of the source file."
  (let* ((source-file-name       buffer-file-name)
	 (temp-source-file-name  (flymake-init-create-temp-buffer-copy create-temp-f))
	 (master-and-temp-master (flymake-create-master-file
				  source-file-name temp-source-file-name
				  get-incl-dirs-f create-temp-f
				  master-file-masks include-regexp)))

    (if (not master-and-temp-master)
	(progn
	  (flymake-log 1 "cannot find master file for %s" source-file-name)
          (flymake-report-status "!" "")	; NOMASTER
          nil)
      (setq flymake-master-file-name (nth 0 master-and-temp-master))
      (setq flymake-temp-master-file-name (nth 1 master-and-temp-master)))))

(defun flymake-master-cleanup ()
  (flymake-simple-cleanup)
  (flymake-safe-delete-file flymake-temp-master-file-name))

;;;; make-specific init-cleanup routines
(defun flymake-get-syntax-check-program-args (source-file-name base-dir use-relative-base-dir use-relative-source get-cmd-line-f)
  "Create a command line for syntax check using GET-CMD-LINE-F."
  (funcall get-cmd-line-f
           (if use-relative-source
               (file-relative-name source-file-name base-dir)
             source-file-name)
           (if use-relative-base-dir
               (file-relative-name base-dir
                                   (file-name-directory source-file-name))
             base-dir)))

(defun flymake-get-make-cmdline (source base-dir)
  (list "make"
	(list "-s"
	      "-C"
	      base-dir
	      (concat "CHK_SOURCES=" source)
	      "SYNTAX_CHECK_MODE=1"
	      "check-syntax")))

(defun flymake-get-ant-cmdline (source base-dir)
  (list "ant"
	(list "-buildfile"
	      (concat base-dir "/" "build.xml")
	      (concat "-DCHK_SOURCES=" source)
	      "check-syntax")))

(defun flymake-simple-make-init-impl (create-temp-f use-relative-base-dir use-relative-source build-file-name get-cmdline-f)
  "Create syntax check command line for a directly checked source file.
Use CREATE-TEMP-F for creating temp copy."
  (let* ((args nil)
	 (source-file-name   buffer-file-name)
	 (buildfile-dir      (flymake-init-find-buildfile-dir source-file-name build-file-name)))
    (if buildfile-dir
	(let* ((temp-source-file-name  (flymake-init-create-temp-buffer-copy create-temp-f)))
	  (setq args (flymake-get-syntax-check-program-args temp-source-file-name buildfile-dir
							    use-relative-base-dir use-relative-source
							    get-cmdline-f))))
    args))

(defun flymake-simple-make-init ()
  (flymake-simple-make-init-impl 'flymake-create-temp-inplace t t "Makefile" 'flymake-get-make-cmdline))

(defun flymake-master-make-init (get-incl-dirs-f master-file-masks include-regexp)
  "Create make command line for a source file checked via master file compilation."
  (let* ((make-args nil)
	 (temp-master-file-name (flymake-init-create-temp-source-and-master-buffer-copy
                                 get-incl-dirs-f 'flymake-create-temp-inplace
				 master-file-masks include-regexp)))
    (when temp-master-file-name
      (let* ((buildfile-dir (flymake-init-find-buildfile-dir temp-master-file-name "Makefile")))
	(if  buildfile-dir
	    (setq make-args (flymake-get-syntax-check-program-args
			     temp-master-file-name buildfile-dir nil nil 'flymake-get-make-cmdline)))))
    make-args))

(defun flymake-find-make-buildfile (source-dir)
  (flymake-find-buildfile "Makefile" source-dir))

;;;; .h/make specific
(defun flymake-master-make-header-init ()
  (flymake-master-make-init
   'flymake-get-include-dirs
   '("\\.\\(?:c\\(?:pp\\|xx\\|\\+\\+\\)?\\|CC\\)\\'")
   "[ \t]*#[ \t]*include[ \t]*\"\\([[:word:]0-9/\\_.]*%s\\)\""))

;;;; .java/make specific
(defun flymake-simple-make-java-init ()
  (flymake-simple-make-init-impl 'flymake-create-temp-with-folder-structure nil nil "Makefile" 'flymake-get-make-cmdline))

(defun flymake-simple-ant-java-init ()
  (flymake-simple-make-init-impl 'flymake-create-temp-with-folder-structure nil nil "build.xml" 'flymake-get-ant-cmdline))

(defun flymake-simple-java-cleanup ()
  "Cleanup after `flymake-simple-make-java-init' -- delete temp file and dirs."
  (flymake-safe-delete-file flymake-temp-source-file-name)
  (when flymake-temp-source-file-name
    (flymake-delete-temp-directory
     (file-name-directory flymake-temp-source-file-name))))

;;;; perl-specific init-cleanup routines
(defun flymake-perl-init ()
  (let* ((temp-file   (flymake-init-create-temp-buffer-copy
                       'flymake-create-temp-inplace))
	 (local-file  (file-relative-name
                       temp-file
                       (file-name-directory buffer-file-name))))
    (list "perl" (list "-wc " local-file))))

;;;; php-specific init-cleanup routines
(defun flymake-php-init ()
  (let* ((temp-file   (flymake-init-create-temp-buffer-copy
                       'flymake-create-temp-inplace))
	 (local-file  (file-relative-name
                       temp-file
                       (file-name-directory buffer-file-name))))
    (list "php" (list "-f" local-file "-l"))))

;;;; tex-specific init-cleanup routines
(defun flymake-get-tex-args (file-name)
  ;;(list "latex" (list "-c-style-errors" file-name))
  (list "texify" (list "--pdf" "--tex-option=-c-style-errors" file-name)))

(defun flymake-simple-tex-init ()
  (flymake-get-tex-args (flymake-init-create-temp-buffer-copy 'flymake-create-temp-inplace)))

;; Perhaps there should be a buffer-local variable flymake-master-file
;; that people can set to override this stuff.  Could inherit from
;; the similar AUCTeX variable.
(defun flymake-master-tex-init ()
  (let* ((temp-master-file-name (flymake-init-create-temp-source-and-master-buffer-copy
                                 'flymake-get-include-dirs-dot 'flymake-create-temp-inplace
				 '("\\.tex\\'")
				 "[ \t]*\\in\\(?:put\\|clude\\)[ \t]*{\\(.*%s\\)}")))
    (when temp-master-file-name
      (flymake-get-tex-args temp-master-file-name))))

(defun flymake-get-include-dirs-dot (_base-dir)
  '("."))

;;;; xml-specific init-cleanup routines
(defun flymake-xml-init ()
  (list "xml" (list "val" (flymake-init-create-temp-buffer-copy 'flymake-create-temp-inplace))))

(provide 'flymake)

;;; flymake.el ends here