unofficial mirror of emacs-devel@gnu.org 
 help / color / mirror / code / Atom feed
blob 0391cdccfd4462bb8134516203266d828553a91a 78851 bytes (raw)
name: lisp/progmodes/cc-vars.el 	 # note: path name is non-authoritative(*)

   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
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
 
;;; cc-vars.el --- user customization variables for CC Mode

;; Copyright (C) 1985, 1987, 1992-2020 Free Software Foundation, Inc.

;; Authors:    2002- Alan Mackenzie
;;             1998- Martin Stjernholm
;;             1992-1999 Barry A. Warsaw
;;             1987 Dave Detlefs
;;             1987 Stewart Clamen
;;             1985 Richard M. Stallman
;; Maintainer: bug-cc-mode@gnu.org
;; Created:    22-Apr-1997 (split from cc-mode.el)
;; Keywords:   c languages
;; Package:    cc-mode

;; 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 <https://www.gnu.org/licenses/>.

;;; Commentary:

;;; Code:

(eval-when-compile
  (let ((load-path
	 (if (and (boundp 'byte-compile-dest-file)
		  (stringp byte-compile-dest-file))
	     (cons (file-name-directory byte-compile-dest-file) load-path)
	   load-path)))
    (load "cc-bytecomp" nil t)))

(cc-require 'cc-defs)

(cc-eval-when-compile
  (require 'custom)
  (require 'widget))

;;; Helpers


;; Emacs has 'other since at least version 21.1.
;; FIXME this is probably broken, since the widget is defined
;; in wid-edit, which this file does not load.  So we will always
;; define the widget, even when we don't need to.
(when (featurep 'xemacs)
  (or (get 'other 'widget-type)
      (define-widget 'other 'sexp
	"Matches everything, but doesn't let the user edit the value.
Useful as last item in a `choice' widget."
	:tag "Other"
	:format "%t%n"
	:value 'other)))

;; The next defun will supersede c-const-symbol.
(eval-and-compile
  (defun c-constant-symbol (sym len)
  "Create an uneditable symbol for customization buffers.
SYM is the name of the symbol, LEN the length of the field (in
characters) the symbol will be displayed in.  LEN must be big
enough.

This returns a (const ....) structure, suitable for embedding
within a customization type."
  (or (symbolp sym) (error "c-constant-symbol: %s is not a symbol" sym))
  (let* ((name (symbol-name sym))
	 (l (length name))
	 (disp (concat name ":" (make-string (- len l 1) ?\ ))))
    `(const
      :size ,len
      :format ,disp
      :value ,sym))))

(define-widget 'c-const-symbol 'item
  "An uneditable lisp symbol.  This is obsolete -
use c-constant-symbol instead."
  :value nil
  :tag "Symbol"
  :format "%t: %v\n%d"
  :match (lambda (_widget value) (symbolp value))
  :value-to-internal
  (lambda (widget value)
    (let ((s (if (symbolp value)
		 (symbol-name value)
	       value))
	  (l (widget-get widget :size)))
      (if l
	  (setq s (concat s (make-string (- l (length s)) ?\ ))))
      s))
  :value-to-external
  (lambda (_widget value)
    (if (stringp value)
	(intern (progn
		  (string-match "\\`[^ ]*" value)
		  (match-string 0 value)))
      value)))

(define-widget 'c-integer-or-nil 'sexp
  "An integer or the value nil."
  :value nil
  :tag "Optional integer"
  :match (lambda (_widget value) (or (integerp value) (null value))))

(define-widget 'c-symbol-list 'sexp
  "A single symbol or a list of symbols."
  :tag "Symbols separated by spaces"
  :validate 'widget-field-validate
  :match
  (lambda (_widget value)
    (or (symbolp value)
	(catch 'ok
	  (while (listp value)
	    (unless (symbolp (car value))
	      (throw 'ok nil))
	    (setq value (cdr value)))
	  (null value))))
  :value-to-internal
  (lambda (_widget value)
    (cond ((null value)
	   "")
	  ((symbolp value)
	   (symbol-name value))
	  ((consp value)
	   (mapconcat (lambda (symbol)
			(symbol-name symbol))
		      value
		      " "))
	  (t
	   value)))
  :value-to-external
  (lambda (_widget value)
    (if (stringp value)
	(let (list end)
	  (while (string-match "\\S +" value end)
	    (setq list (cons (intern (match-string 0 value)) list)
		  end (match-end 0)))
	  (if (and list (not (cdr list)))
	      (car list)
	    (nreverse list)))
      value)))

(defvar c-style-variables
  '(c-basic-offset c-comment-only-line-offset c-indent-comment-alist
    c-indent-comments-syntactically-p c-block-comment-prefix
    c-comment-prefix-regexp c-doc-comment-style c-cleanup-list
    c-hanging-braces-alist c-hanging-colons-alist
    c-hanging-semi&comma-criteria c-backslash-column c-backslash-max-column
    c-special-indent-hook c-label-minimum-indentation c-offsets-alist)
  "List of the style variables.")

(defvar c-fallback-style nil)

(defsubst c-set-stylevar-fallback (name val)
  (put name 'c-stylevar-fallback val)
  (setq c-fallback-style (cons (cons name val) c-fallback-style)))

(defmacro defcustom-c-stylevar (name val doc &rest args)
  "Define a style variable NAME with VAL and DOC.
More precisely, convert the given `:type FOO', mined out of ARGS,
to an aggregate `:type (radio STYLE (PREAMBLE FOO))', append
some boilerplate documentation to DOC, arrange for the fallback
value of NAME to be VAL, and call `custom-declare-variable' to
do the rest of the work.

STYLE stands for the choice where the value is taken from some
style setting.  PREAMBLE is optionally prepended to FOO; that is,
if FOO contains :tag or :value, the respective two-element list
component is ignored."
  (declare (debug (symbolp form stringp &rest)))
  (let* ((expanded-doc (concat doc "

This is a style variable.  Apart from the valid values described
above, it can be set to the symbol `set-from-style'.  In that case,
it takes its value from the style system (see `c-default-style' and
`c-style-alist') when a CC Mode buffer is initialized.  Otherwise,
the value set here overrides the style system (there is a variable
`c-old-style-variable-behavior' that changes this, though)."))
         (typ (eval (plist-get args :type)))
         (type (if (consp typ) typ (list typ)))
         (head (car type))
         (tail (cdr type))
         (newt (append (unless (plist-get tail :tag)
                         '(:tag "Override style settings"))
                       (unless (plist-get tail :value)
                         `(:value ,(eval val)))
                       tail))
         (aggregate `'(radio
                       (const :tag "Use style settings" set-from-style)
                       ,(cons head newt))))
    `(progn
       (c-set-stylevar-fallback ',name ,val)
       (custom-declare-variable
        ',name ''set-from-style
        ,expanded-doc
        ,@(plist-put args :type aggregate)))))

(defun c-valid-offset (offset)
  "Return non-nil if OFFSET is a valid offset for a syntactic symbol.
See `c-offsets-alist'."
  (or (eq offset '+)
      (eq offset '-)
      (eq offset '++)
      (eq offset '--)
      (eq offset '*)
      (eq offset '/)
      (integerp offset)
      (functionp offset)
      (and (symbolp offset) (boundp offset))
      (and (vectorp offset)
	   (= (length offset) 1)
	   (integerp (elt offset 0)))
      (and (consp offset)
	   (not (eq (car offset) 'quote)) ; Detect misquoted lists.
	   (progn
	     (when (memq (car offset) '(first min max add))
	       (setq offset (cdr offset)))
	     (while (and (consp offset)
			 (c-valid-offset (car offset)))
	       (setq offset (cdr offset)))
	     (null offset)))))

(defun c-string-list-p (val)
  "Return non-nil if VAL is a list of strings."
  (and
   (listp val)
   (catch 'string
     (dolist (elt val)
       (if (not (stringp elt))
	   (throw 'string nil)))
     t)))

(defun c-string-or-string-list-p (val)
  "Return non-nil if VAL is a string or a list of strings."
  (or (stringp val)
      (c-string-list-p val)))
\f
;;; User variables

(defcustom c-strict-syntax-p nil
  "If non-nil, all syntactic symbols must be found in `c-offsets-alist'.
If the syntactic symbol for a particular line does not match a symbol
in the offsets alist, or if no non-nil offset value can be determined
for a symbol, an error is generated, otherwise no error is reported
and the syntactic symbol is ignored.

This variable is considered obsolete; it doesn't work well with lineup
functions that return nil to support the feature of using lists on
syntactic symbols in `c-offsets-alist'.  Please keep it set to nil."
  :type 'boolean
  :group 'c)

(defcustom c-echo-syntactic-information-p nil
  "If non-nil, syntactic info is echoed when the line is indented."
  :type 'boolean
  :group 'c)

(defcustom c-report-syntactic-errors nil
  "If non-nil, certain syntactic errors are reported with a ding
and a message, for example when an \"else\" is indented for which
there's no corresponding \"if\".

Note however that CC Mode doesn't make any special effort to check for
syntactic errors; that's the job of the compiler.  The reason it can
report cases like the one above is that it can't find the correct
anchoring position to indent the line in that case."
  :type 'boolean
  :group 'c)

(defcustom-c-stylevar c-basic-offset 4
  "Amount of basic offset used by + and - symbols in `c-offsets-alist'.
Also used as the indentation step when `c-syntactic-indentation' is
nil."
  :type 'integer
  :group 'c)
;;;###autoload(put 'c-basic-offset 'safe-local-variable 'integerp)


(defcustom c-tab-always-indent t
  "Controls the operation of the TAB key.
If t, hitting TAB always just indents the current line.  If nil, hitting
TAB indents the current line if point is at the left margin or in the
line's indentation, otherwise it inserts a `real' tab character (see
note).  If some other value (not nil or t), then tab is inserted only
within literals (comments and strings), but the line is always
reindented.

Note: The value of `indent-tabs-mode' will determine whether a real
tab character will be inserted, or the equivalent number of spaces.
When inserting a tab, actually the function stored in the variable
`c-insert-tab-function' is called.

Note: indentation of lines containing only comments is also controlled
by the `c-comment-only-line-offset' variable."
  :type '(radio
	  (const :tag "TAB key always indents, never inserts TAB" t)
	  (const :tag "TAB key indents in left margin, otherwise inserts TAB" nil)
	  (other :tag "TAB key inserts TAB in literals, otherwise indents" other))
  :group 'c)

(defcustom c-insert-tab-function 'insert-tab
  "Function used when inserting a tab for \\[c-indent-command].
Only used when `c-tab-always-indent' indicates a `real' tab character
should be inserted.  Value must be a function taking no arguments.
The default, `insert-tab', inserts either a tab or the equivalent
number of spaces depending on the value of `indent-tabs-mode'."
  :type 'function
  :group 'c)

(defcustom c-syntactic-indentation t
  "Whether the indentation should be controlled by the syntactic context.

If t, the indentation functions indent according to the syntactic
context, using the style settings specified by `c-offsets-alist'.

If nil, every line is just indented to the same level as the previous
one, and the \\[c-indent-command] command adjusts the indentation in
steps specified by `c-basic-offset'.  The indentation style has no
effect in this mode, nor any of the indentation associated variables,
e.g. `c-special-indent-hook'."
  :type 'boolean
  :group 'c)
(make-variable-buffer-local 'c-syntactic-indentation)
(put 'c-syntactic-indentation 'safe-local-variable 'booleanp)

(defcustom c-syntactic-indentation-in-macros t
  "Enable syntactic analysis inside macros.
If this is nil, all lines inside macro definitions are analyzed as
`cpp-macro-cont'.  Otherwise they are analyzed syntactically, just
like normal code, and `cpp-define-intro' is used to create the
additional indentation of the bodies of \"#define\" macros.

Having this enabled simplifies editing of large multiline macros, but
it might complicate editing if CC Mode doesn't recognize the context
of the macro content.  The default context inside the macro is the
same as the top level, so if it contains \"bare\" statements they
might be indented wrongly, although there are special cases that
handle this in most cases.  If this problem occurs, it's usually
countered easily by surrounding the statements by a block (or even
better with the \"do { ... } while (0)\" trick)."
  :type 'boolean
  :group 'c)

(put 'c-syntactic-indentation-in-macros 'safe-local-variable 'booleanp)

(defcustom c-defun-tactic 'go-outward
  "Whether functions are recognized inside, e.g., a class.
This is used by `c-beginning-of-defun' and like functions.

Its value is one of:
 t           -- Functions are recognized only at the top level.
 go-outward  -- Nested functions are also recognized.  Should a function
                command hit the beginning/end of a nested scope, it will
                carry on at the less nested level."
  :version "24.1"
  :type '(radio
	  (const :tag "Functions are at the top-level" t)
	  (const :tag "Functions are also recognized inside declaration scopes" go-outward))
  :group 'c)

(defcustom-c-stylevar c-comment-only-line-offset 0
  "Extra offset for line which contains only the start of a comment.
Can contain an integer or a cons cell of the form:

 (NON-ANCHORED-OFFSET . ANCHORED-OFFSET)

Where NON-ANCHORED-OFFSET is the amount of offset given to
non-column-zero anchored comment-only lines, and ANCHORED-OFFSET is
the amount of offset to give column-zero anchored comment-only lines.
Just an integer as value is equivalent to (<val> . -1000).

Note that this variable only has effect when the `c-lineup-comment'
lineup function is used on the `comment-intro' syntactic symbol (the
default)."
  :type '(choice (integer :tag "Non-anchored offset" 0)
		 (cons :tag "Non-anchored & anchored offset"
		       :value (0 . 0)
		       (integer :tag "Non-anchored offset")
		       (integer :tag "Anchored offset")))
  :group 'c)

(defcustom-c-stylevar c-indent-comment-alist
  '((anchored-comment . (column . 0))
    (end-block . (space . 1))
    (cpp-end-block . (space . 2)))
  "Specifies how \\[indent-for-comment] calculates the comment start column.
This is an association list that contains entries of the form:

 (LINE-TYPE . INDENT-SPEC)

LINE-TYPE specifies a type of line as described below, and INDENT-SPEC
says what \\[indent-for-comment] should do when used on that type of line.

The recognized values for LINE-TYPE are:

 empty-line        -- The line is empty.
 anchored-comment  -- The line contains a comment that starts in column 0.
 end-block         -- The line contains a solitary block closing brace.
 cpp-end-block     -- The line contains a preprocessor directive that
                      closes a block, i.e. either \"#endif\" or \"#else\".
 other             -- The line does not match any other entry
                      currently on the list.

An INDENT-SPEC is a cons cell of the form:

 (ACTION . VALUE)

ACTION says how \\[indent-for-comment] should align the comment, and
VALUE is interpreted depending on ACTION.  ACTION can be any of the
following:

 space   -- Put VALUE spaces between the end of the line and the start
            of the comment.
 column  -- Start the comment at the column VALUE.  If the line is
            longer than that, the comment is preceded by a single
            space.  If VALUE is nil, `comment-column' is used.
 align   -- Align the comment with one on the previous line, if there
            is any.  If the line is too long, the comment is preceded
            by a single space.  If there isn't a comment start on the
            previous line, the behavior is specified by VALUE, which
            in turn is interpreted as an INDENT-SPEC.

If a LINE-TYPE is missing, then \\[indent-for-comment] indents the comment
according to `comment-column'.

Note that a non-nil value on `c-indent-comments-syntactically-p'
overrides this variable, so empty lines are indented syntactically
in that case, i.e. as if \\[c-indent-command] was used instead."
  :type
  (let ((space '(cons :tag "space"
		      :format "%v"
		      :value (space . 1)
		      (const :format "space  " space)
		      (integer :format "%v")))
	(column '(cons :tag "column"
		       :format "%v"
		       (const :format "column " column)
		       (c-integer-or-nil :format "%v"))))
    `(set ,@(mapcar
	     (lambda (elt)
	       `(cons :format "%v"
		      ,(c-constant-symbol elt 20)
		      (choice
		       :format "%[Choice%] %v"
		       :value (column . nil)
		       ,space
		       ,column
		       (cons :tag "align"
			     :format "%v"
			     (const :format "align  " align)
			     (choice
			      :format "%[Choice%] %v"
			      :value (column . nil)
			      ,space
			      ,column)))))
	     '(empty-line anchored-comment end-block cpp-end-block other))))
  :group 'c)

(defcustom-c-stylevar c-indent-comments-syntactically-p nil
  "Specifies how \\[indent-for-comment] should handle comment-only lines.
When this variable is non-nil, comment-only lines are indented
according to syntactic analysis via `c-offsets-alist'.  Otherwise, the
comment is indented as if it was preceded by code.  Note that this
variable does not affect how the normal line indentation treats
comment-only lines."
  :type 'boolean
  :group 'c)

(make-obsolete-variable 'c-comment-continuation-stars
			'c-block-comment-prefix "21.1")

;; Although c-comment-continuation-stars is obsolete, we look at it in
;; some places in CC Mode anyway, so make the compiler ignore it
;; during our compilation.
;; [This is unclean; better to use `symbol-value'. --ttn]
;;(cc-bytecomp-obsolete-var c-comment-continuation-stars)
;;(cc-bytecomp-defvar c-comment-continuation-stars)

(defcustom-c-stylevar c-block-comment-prefix
  (if (boundp 'c-comment-continuation-stars)
      (symbol-value 'c-comment-continuation-stars)
    "* ")
  "Specifies the line prefix of continued C-style block comments.
You should set this variable to the literal string that gets inserted
at the front of continued block style comment lines.  This should
either be the empty string, or some characters without preceding
spaces.  To adjust the alignment under the comment starter, put an
appropriate value on the `c' syntactic symbol (see the
`c-offsets-alist' variable).

It's only used when a one-line block comment is broken into two or
more lines for the first time; otherwise the appropriate prefix is
adapted from the comment.  This variable is not used for C++ line
style comments."
  :type 'string
  :group 'c)

(defcustom-c-stylevar c-comment-prefix-regexp
  '((pike-mode . "//+!?\\|\\**")
    (awk-mode . "#+")
    (other . "//+\\|\\**"))
  "Regexp to match the line prefix inside comments.
This regexp is used to recognize the fill prefix inside comments for
correct paragraph filling and other things.

If this variable is a string, it will be used in all CC Mode major
modes.  It can also be an association list, to associate specific
regexps to specific major modes.  The symbol for the major mode is
looked up in the association list, and its value is used as the line
prefix regexp.  If it's not found, then the symbol `other' is looked
up and its value is used instead.

The regexp should match the prefix used in both C++ style line
comments and C style block comments, but it does not need to match a
block comment starter.  In other words, it should at least match
\"//\" for line comments and the string in `c-block-comment-prefix',
which is sometimes inserted by CC Mode inside block comments.  It
should not match any surrounding whitespace.

Note that CC Mode uses this variable to set many other variables that
handle the paragraph filling.  That's done at mode initialization or
when you switch to a style which sets this variable.  Thus, if you
change it in some other way, e.g. interactively in a CC Mode buffer,
you will need to do \\[c-setup-paragraph-variables] afterwards so that
the other variables are updated with the new value.

Note also that when CC Mode starts up, all variables are initialized
before the mode hooks are run.  It's therefore necessary to make a
call to `c-setup-paragraph-variables' explicitly if you change this
variable in a mode hook."
  :type '(radio
	  (regexp :tag "Regexp for all modes")
	  (list
	   :tag "Mode-specific regexps"
	   (set
	    :inline t :format "%v"
	    (cons :format "%v"
		  (const :format "C     " c-mode) (regexp :format "%v"))
	    (cons :format "%v"
		  (const :format "C++   " c++-mode) (regexp :format "%v"))
	    (cons :format "%v"
		  (const :format "ObjC  " objc-mode) (regexp :format "%v"))
	    (cons :format "%v"
		  (const :format "Java  " java-mode) (regexp :format "%v"))
	    (cons :format "%v"
		  (const :format "IDL   " idl-mode) (regexp :format "%v"))
	    (cons :format "%v"
		  (const :format "Pike  " pike-mode) (regexp :format "%v"))
	    (cons :format "%v"
		  (const :format "AWK   " awk-mode) (regexp :format "%v")))
	   (cons :format "    %v"
		 (const :format "Other " other) (regexp :format "%v"))))
  :group 'c)

(defcustom-c-stylevar c-doc-comment-style
  '((java-mode . javadoc)
    (pike-mode . autodoc)
    (c-mode    . gtkdoc)
    (c++-mode  . gtkdoc))
  "Specifies documentation comment style(s) to recognize.
This is primarily used to fontify doc comments and the markup within
them, e.g. Javadoc comments.

The value can be any of the following symbols for various known doc
comment styles:

 javadoc -- Javadoc style for \"/** ... */\" comments (default in Java mode).
 autodoc -- Pike autodoc style for \"//! ...\" comments (default in Pike mode).
 gtkdoc  -- GtkDoc style for \"/** ... **/\" comments (default in C and C++ modes).

The value may also be a list of doc comment styles, in which case all
of them are recognized simultaneously (presumably with markup cues
that don't conflict).

The value may also be an association list to specify different doc
comment styles for different languages.  The symbol for the major mode
is then looked up in the alist, and the value of that element is
interpreted as above if found.  If it isn't found then the symbol
`other' is looked up and its value is used instead.

Note that CC Mode uses this variable to set other variables that
handle fontification etc.  That's done at mode initialization or when
you switch to a style which sets this variable.  Thus, if you change
it in some other way, e.g. interactively in a CC Mode buffer, you will
need to do \\[java-mode] (or whatever mode you're currently using) to
reinitialize.

Note also that when CC Mode starts up, the other variables are
modified before the mode hooks are run.  If you change this variable
in a mode hook, you have to call `c-setup-doc-comment-style'
afterwards to redo that work."
  ;; Symbols other than those documented above may be used on this
  ;; variable.  If a variable exists that has that name with
  ;; "-font-lock-keywords" appended, its value is prepended to the
  ;; font lock keywords list.  If it's a function then it's called and
  ;; the result is prepended.
  :type '(radio
	  (c-symbol-list :tag "Doc style(s) in all modes")
	  (list
	   :tag "Mode-specific doc styles"
	   (set
	    :inline t :format "%v"
	    (cons :format "%v"
		  (const :format "C     " c-mode)
		  (c-symbol-list :format "%v"))
	    (cons :format "%v"
		  (const :format "C++   " c++-mode)
		  (c-symbol-list :format "%v"))
	    (cons :format "%v"
		  (const :format "ObjC  " objc-mode)
		  (c-symbol-list :format "%v"))
	    (cons :format "%v"
		  (const :format "Java  " java-mode)
		  (c-symbol-list :format "%v"))
	    (cons :format "%v"
		  (const :format "IDL   " idl-mode)
		  (c-symbol-list :format "%v"))
	    (cons :format "%v"
		  (const :format "Pike  " pike-mode)
		  (c-symbol-list :format "%v"))
	    (cons :format "%v"
		  (const :format "AWK   " awk-mode)
		  (c-symbol-list :format "%v"))
	    (cons :format "%v"
		  (const :format "Other " other)
		  (c-symbol-list :format "%v")))))
  :group 'c)

(defcustom c-ignore-auto-fill '(string cpp code)
  "List of contexts in which automatic filling never occurs.
If Auto Fill mode is active, it will be temporarily disabled if point
is in any context on this list.  It's e.g. useful to enable Auto Fill
in comments only, but not in strings or normal code.  The valid
contexts are:

 string  -- inside a string or character literal
 c       -- inside a C style block comment
 c++     -- inside a C++ style line comment
 cpp     -- inside a preprocessor directive
 code    -- anywhere else, i.e. in normal code"
  :type '(set
	  (const :tag "String literals" string)
	  (const :tag "C style block comments" c)
	  (const :tag "C++ style line comments" c++)
	  (const :tag "Preprocessor directives" cpp)
	  (const :tag "Normal code" code))
  :group 'c)

(defcustom-c-stylevar c-cleanup-list '(scope-operator)
  "List of various C/C++/ObjC constructs to \"clean up\".
The following clean ups only take place when the auto-newline feature
is turned on, as evidenced by the `/la' appearing next to the mode
name:

 brace-else-brace    -- Clean up \"} else {\" constructs by placing
                        entire construct on a single line.  This clean
                        up only takes place when there is nothing but
                        white space between the braces and the `else'.
                        Clean up occurs when the open brace after the
                        `else' is typed.
 brace-elseif-brace  -- Similar to brace-else-brace, but clean up
                        \"} else if (...) {\" constructs.  Clean up
                        occurs after the open parenthesis and the open
                        brace.
 brace-catch-brace   -- Similar to brace-elseif-brace, but clean up
                        \"} catch (...) {\" constructs.
 empty-defun-braces  -- Clean up empty defun braces by placing the
                        braces on the same line.  Clean up occurs when
                        the defun closing brace is typed.
 one-liner-defun     -- If the code inside a function body can fit in
                        a single line, then remove any newlines
                        between that line and the defun braces so that
                        the whole body becomes a single line.
                        `c-max-one-liner-length' gives the maximum
                        length allowed for the resulting line.  Clean
                        up occurs when the closing brace is typed.
 defun-close-semi    -- Clean up the terminating semi-colon on defuns
                        by placing the semi-colon on the same line as
                        the closing brace.  Clean up occurs when the
                        semi-colon is typed.
 list-close-comma    -- Clean up commas following braces in array
                        and aggregate initializers.  Clean up occurs
                        when the comma is typed.
 scope-operator      -- Clean up double colons which may designate
                        a C++ scope operator split across multiple
                        lines.  Note that certain C++ constructs can
                        generate ambiguous situations.  This clean up
                        only takes place when there is nothing but
                        whitespace between colons.  Clean up occurs
                        when the second colon is typed.

The following clean ups always take place when they are on this list,
regardless of the auto-newline feature, since they typically don't
involve auto-newline inserted newlines:

 space-before-funcall -- Insert exactly one space before the opening
                        parenthesis of a function call.  Clean up
                        occurs when the opening parenthesis is typed.
 compact-empty-funcall -- Clean up any space before the function call
                        opening parenthesis if and only if the
                        argument list is empty.  This is typically
                        useful together with `space-before-funcall' to
                        get the style \"foo (bar)\" and \"foo()\".
                        Clean up occurs when the closing parenthesis
                        is typed.
 comment-close-slash -- When a slash is typed after the comment prefix
                        on a bare line in a c-style comment, the comment
                        is closed by cleaning up preceding space and
                        inserting a star if needed."
  :type '(set
	  (const :tag "Put \"} else {\" on one line (brace-else-brace)"
		 brace-else-brace)
	  (const :tag "Put \"} else if (...) {\" on one line (brace-elseif-brace)"
		 brace-elseif-brace)
	  (const :tag "Put \"} catch (...) {\" on one line (brace-catch-brace)"
		 brace-catch-brace)
	  (const :tag "Put empty defun braces on one line (empty-defun-braces)"
		 empty-defun-braces)
	  (const :tag "Put short function bodies on one line (one-liner-defun)"
		 one-liner-defun)
	  (const :tag "Put \"};\" ending defuns on one line (defun-close-semi)"
		 defun-close-semi)
	  (const :tag "Put \"},\" in aggregates on one line (list-close-comma)"
		 list-close-comma)
	  (const :tag "Put C++ style \"::\" on one line (scope-operator)"
		 scope-operator)
	  (const :tag "Put a space before funcall parens, e.g. \"foo (bar)\" (space-before-funcall)"
		 space-before-funcall)
	  (const :tag "Remove space before empty funcalls, e.g. \"foo()\" (compact-empty-funcall)"
		 compact-empty-funcall)
	  (const :tag "Make / on a bare line of a C-style comment close it (comment-close-slash)"
		 comment-close-slash))
  :group 'c)

(defcustom-c-stylevar c-hanging-braces-alist '((brace-list-open)
					       (brace-entry-open)
					       (statement-cont)
					       (substatement-open after)
					       (block-close . c-snug-do-while)
					       (extern-lang-open after)
					       (namespace-open after)
					       (module-open after)
					       (composition-open after)
					       (inexpr-class-open after)
					       (inexpr-class-close before)
					       (arglist-cont-nonempty))
  "Controls the insertion of newlines before and after braces
when the auto-newline feature is active.  This variable contains an
association list with elements of the following form:
\(SYNTACTIC-SYMBOL . ACTION).

When a brace (either opening or closing) is inserted, the syntactic
context it defines is looked up in this list, and if found, the
associated ACTION is used to determine where newlines are inserted.
If the context is not found, the default is to insert a newline both
before and after the brace.

SYNTACTIC-SYMBOL can be statement-cont, brace-list-intro,
inexpr-class-open, inexpr-class-close, and any of the *-open and
*-close symbols.  See `c-offsets-alist' for details, except for
inexpr-class-open and inexpr-class-close, which doesn't have any
corresponding symbols there.  Those two symbols are used for the
opening and closing braces, respectively, of anonymous inner classes
in Java.

ACTION can be either a function symbol or a list containing any
combination of the symbols `before' or `after'.  If the list is empty,
no newlines are inserted either before or after the brace.

When ACTION is a function symbol, the function is called with a two
arguments: the syntactic symbol for the brace and the buffer position
at which the brace was inserted.  The function must return a list as
described in the preceding paragraph.  Note that during the call to
the function, the variable `c-syntactic-context' is set to the entire
syntactic context for the brace line."
  :type
  `(set ,@(mapcar
	   (lambda (elt)
	     `(cons :format "%v"
		    ,(c-constant-symbol elt 24)
		    (choice :format "%[Choice%] %v"
			    :value (before after)
			    (set :menu-tag "Before/after"
				 :format "Newline  %v brace\n"
				 (const :format "%v,  " before)
				 (const :format "%v " after))
			    (function :menu-tag "Function"
				      :format "Run function: %v"))))
	   '(defun-open defun-close
	      class-open class-close
	      inline-open inline-close
	      block-open block-close
	      statement-cont substatement-open statement-case-open
	      brace-list-open brace-list-close
	      brace-list-intro brace-entry-open
	      extern-lang-open extern-lang-close
	      namespace-open namespace-close
	      module-open module-close
	      composition-open composition-close
	      inexpr-class-open inexpr-class-close
	      arglist-cont-nonempty)))
    :group 'c)

(defcustom c-max-one-liner-length 80
  "Maximum length of line that clean-up \"one-liner-defun\" will compact to.
Zero or nil means no limit."
  :type 'integer
  :group 'c)

(defcustom-c-stylevar c-hanging-colons-alist nil
  "Controls the insertion of newlines before and after certain colons.
This variable contains an association list with elements of the
following form: (SYNTACTIC-SYMBOL . ACTION).

SYNTACTIC-SYMBOL can be any of: case-label, label, access-label,
member-init-intro, or inher-intro.

See the variable `c-hanging-braces-alist' for the semantics of this
variable.  Note however that making ACTION a function symbol is
currently not supported for this variable."
  :type
  `(set ,@(mapcar
	   (lambda (elt)
	     `(cons :format "%v"
		    ,(c-constant-symbol elt 20)
		    (set :format "Newline  %v  colon\n"
			 (const :format "%v,  " before)
			 (const :format "%v" after))))
	   '(case-label label access-label member-init-intro inher-intro)))
  :group 'c)

(defcustom-c-stylevar c-hanging-semi&comma-criteria
  '(c-semi&comma-inside-parenlist)
  "List of functions that decide whether to insert a newline or not.
The functions in this list are called, in order, whenever the
auto-newline minor mode is activated (as evidenced by a `/a' or `/ah'
string in the mode line), and a semicolon or comma is typed (see
`c-electric-semi&comma').  Each function in this list is called with
no arguments, and should return one of the following values:

  nil             -- no determination made, continue checking
  `stop'          -- do not insert a newline, and stop checking
  (anything else) -- insert a newline, and stop checking

If every function in the list is called with no determination made,
then no newline is inserted."
  :type '(repeat function)
  :group 'c)

(defcustom-c-stylevar c-backslash-column 48
  "Minimum alignment column for line continuation backslashes.
This is used by the functions that automatically insert or align the
line continuation backslashes in multiline macros.  If any line in the
macro exceeds this column then the next tab stop from that line is
used as alignment column instead.  See also `c-backslash-max-column'."
  :type 'integer
  :group 'c)
;;;###autoload(put 'c-backslash-column 'safe-local-variable 'integerp)

(defcustom-c-stylevar c-backslash-max-column 72
  "Maximum alignment column for line continuation backslashes.
This is used by the functions that automatically insert or align the
line continuation backslashes in multiline macros.  If any line in the
macro exceeds this column then the backslashes for the other lines
will be aligned at this column."
  :type 'integer
  :group 'c)

(defcustom c-auto-align-backslashes t
  "Align automatically inserted line continuation backslashes.
When line continuation backslashes are inserted automatically for line
breaks in multiline macros, e.g. by \\[c-context-line-break], they are
aligned with the other backslashes in the same macro if this flag is
set.  Otherwise the inserted backslashes are preceded by a single
space."
  :type 'boolean
  :group 'c)

(defcustom c-backspace-function 'backward-delete-char-untabify
  "Function called by `c-electric-backspace' when deleting backwards."
  :type 'function
  :group 'c)

(defcustom c-delete-function 'delete-char
  "Function called by `c-electric-delete-forward' when deleting forwards."
  :type 'function
  :group 'c)

(defcustom c-require-final-newline
  ;; C and C++ mandate that all nonempty files should end with a
  ;; newline.  Objective-C refers to C for all things it doesn't
  ;; specify, so the same holds there.  The other languages do not
  ;; require it (at least not explicitly in a normative text).
  '((c-mode    . t)
    (c++-mode  . t)
    (objc-mode . t))
  "Controls whether a final newline is ensured when the file is saved.
The value is an association list that for each language mode specifies
the value to give to `require-final-newline' at mode initialization;
see that variable for details about the value.  If a language isn't
present on the association list, CC Mode won't touch
`require-final-newline' in buffers for that language."
  :type `(set (cons :format "%v"
		    (const :format "C     " c-mode)
		    (symbol :format "%v" :value ,require-final-newline))
	      (cons :format "%v"
		    (const :format "C++   " c++-mode)
		    (symbol :format "%v" :value ,require-final-newline))
	      (cons :format "%v"
		    (const :format "ObjC  " objc-mode)
		    (symbol :format "%v" :value ,require-final-newline))
	      (cons :format "%v"
		    (const :format "Java  " java-mode)
		    (symbol :format "%v" :value ,require-final-newline))
	      (cons :format "%v"
		    (const :format "IDL   " idl-mode)
		    (symbol :format "%v" :value ,require-final-newline))
	      (cons :format "%v"
		    (const :format "Pike  " pike-mode)
		    (symbol :format "%v" :value ,require-final-newline))
	      (cons :format "%v"
		    (const :format "AWK   " awk-mode)
		    (symbol :format "%v" :value ,require-final-newline)))
  :group 'c)

(defcustom c-electric-pound-behavior nil
  "List of behaviors for electric pound insertion.
Only currently supported behavior is `alignleft'."
  :type '(set (const alignleft))
  :group 'c)

(defcustom c-special-indent-hook nil
  "Hook for user defined special indentation adjustments.
This hook gets called after each line is indented by the mode.  It is only
called when `c-syntactic-indentation' is non-nil."
  :type 'hook
  :group 'c)

(defcustom-c-stylevar c-label-minimum-indentation 1
  "Minimum indentation for lines inside code blocks.
This variable typically only affects code using the `gnu' style, which
mandates a minimum of one space in front of every line inside code
blocks.  Specifically, the function `c-gnu-impose-minimum' on your
`c-special-indent-hook' is what enforces this."
  :type 'integer
  :group 'c)

(defcustom c-progress-interval 5
  "Interval used to update progress status during long re-indentation.
If a number, percentage complete gets updated after each interval of
that many seconds.  To inhibit all messages during indentation, set
this variable to nil."
  :type 'integer
  :group 'c)

(defcustom c-objc-method-arg-min-delta-to-bracket 2
  "Minimum number of chars to the opening bracket.

Consider this ObjC snippet:

	[foo blahBlah: fred
	|<-x->|barBaz: barney

If `x' is less than this number then `c-lineup-ObjC-method-call-colons'
will defer the indentation decision to the next function.  By default
this is `c-lineup-ObjC-method-call', which would align it like:

	[foo blahBlahBlah: fred
	     thisIsTooDamnLong: barney

This behavior can be overridden by customizing the indentation of
`objc-method-call-cont' in the \"objc\" style."
  :type 'integer
  :group 'c)

(defcustom c-objc-method-arg-unfinished-offset 4
  "Offset relative to bracket if first selector is on a new line.

    [aaaaaaaaa
    |<-x->|bbbbbbb:  cccccc
             ddddd: eeee];"
  :type 'integer
  :group 'c)

(defcustom c-objc-method-parameter-offset 4
  "Offset for selector parameter on a new line (relative to first selector.

    [aaaaaaa bbbbbbbbbb:
	     |<-x->|cccccccc
                    ddd: eeee
                   ffff: ggg];"
  :type 'integer
  :group 'c)

(defcustom c-default-style '((java-mode . "java") (awk-mode . "awk")
			     (other . "gnu"))
  "Style which gets installed by default when a file is visited.

The value of this variable can be any style defined in
`c-style-alist', including styles you add.  The value can also be an
association list of major mode symbols to style names.

When the value is a string, all CC Mode major modes will install this
style by default.

When the value is an alist, the major mode symbol is looked up in it
and the associated style is installed.  If the major mode is not
listed in the alist, then the symbol `other' is looked up in it, and
if found, the style in that entry is used.  If `other' is not found in
the alist, then \"gnu\" style is used.

The default style gets installed before your mode hooks run, so you
can always override the use of `c-default-style' by making calls to
`c-set-style' in the appropriate mode hook."
  :type '(radio
	  (string :tag "Style in all modes")
	  (set :tag "Mode-specific styles"
	    (cons :format "%v"
		  (const :format "C     " c-mode) (string :format "%v"))
	    (cons :format "%v"
		  (const :format "C++   " c++-mode) (string :format "%v"))
	    (cons :format "%v"
		  (const :format "ObjC  " objc-mode) (string :format "%v"))
	    (cons :format "%v"
		  (const :format "Java  " java-mode) (string :format "%v"))
	    (cons :format "%v"
		  (const :format "IDL   " idl-mode) (string :format "%v"))
	    (cons :format "%v"
		  (const :format "Pike  " pike-mode) (string :format "%v"))
	    (cons :format "%v"
		  (const :format "AWK   " awk-mode) (string :format "%v"))
	    (cons :format "%v"
		  (const :format "Other " other) (string :format "%v"))))
  :group 'c)

;; *) At the start of a statement or declaration means in more detail:
;; At the closest preceding statement/declaration that starts at boi
;; and doesn't have a label or comment at that position.  If there's
;; no such statement within the same block, then back up to the
;; surrounding block or statement, add the appropriate
;; statement-block-intro, defun-block-intro or substatement syntax
;; symbol and continue searching.
(c-set-stylevar-fallback 'c-offsets-alist
     '((string                . c-lineup-dont-change)
       ;; Anchor pos: Beg of previous line.
       (c                     . c-lineup-C-comments)
       ;; Anchor pos: Beg of the comment.
       (defun-open            . 0)
       ;; Anchor pos: When inside a class: Boi at the func decl start.
       ;; When at top level: Bol at the func decl start.  When inside
       ;; a code block (only possible in Pike): At the func decl
       ;; start(*).
       (defun-close           . 0)
       ;; Anchor pos: At the defun block open if it's at boi,
       ;; otherwise boi at the func decl start.
       (defun-block-intro     . +)
       ;; Anchor pos: At the block open(*).
       (class-open            . 0)
       ;; Anchor pos: Boi at the class decl start.
       (class-close           . 0)
       ;; Anchor pos: Boi at the class decl start.
       (inline-open           . +)
       ;; Anchor pos: None for functions (inclass got the relpos
       ;; then), boi at the lambda start for lambdas.
       (inline-close          . 0)
       ;; Anchor pos: Inexpr functions: At the lambda block open if
       ;; it's at boi, else at the statement(*) at boi of the start of
       ;; the lambda construct.  Otherwise: At the inline block open
       ;; if it's at boi, otherwise boi at the func decl start.
       (func-decl-cont        . +)
       ;; Anchor pos: Boi at the func decl start.
       (knr-argdecl-intro     . +)
       ;; Anchor pos: Boi at the topmost intro line.
       (knr-argdecl           . 0)
       ;; Anchor pos: At the beginning of the first K&R argdecl.
       (topmost-intro	      . 0)
       ;; Anchor pos: Bol at the last line of previous construct.
       (topmost-intro-cont    . c-lineup-topmost-intro-cont)
       ;;Anchor pos: Bol at the topmost annotation line
       (annotation-top-cont   .   0)
       ;;Anchor pos: Bol at the topmost annotation line
       (annotation-var-cont   .   +)
       ;; Anchor pos: Boi at the topmost intro line.
       (member-init-intro     . +)
       ;; Anchor pos: Boi at the func decl arglist open.
       (member-init-cont      . c-lineup-multi-inher)
       ;; Anchor pos: Beg of the first member init.
       (inher-intro           . +)
       ;; Anchor pos: Boi at the class decl start.
       (inher-cont            . c-lineup-multi-inher)
       ;; Anchor pos: Java: At the implements/extends keyword start.
       ;; Otherwise: At the inher start colon, or boi at the class
       ;; decl start if the first inherit clause hangs and it's not a
       ;; func-local inherit clause (when does that occur?).
       (block-open            . 0)
       ;; Anchor pos: Inexpr statement: At the statement(*) at boi of
       ;; the start of the inexpr construct.  Otherwise: None.
       (block-close           . 0)
       ;; Anchor pos: Inexpr statement: At the inexpr block open if
       ;; it's at boi, else at the statement(*) at boi of the start of
       ;; the inexpr construct.  Block hanging on a case/default
       ;; label: At the closest preceding label that starts at boi.
       ;; Otherwise: At the block open(*).
       (brace-list-open       . 0)
       ;; Anchor pos: Boi at the brace list decl start, but a starting
       ;; "typedef" token is ignored.
       (brace-list-close      . 0)
       ;; Anchor pos: At the brace list decl start(*).
       (brace-list-intro      . +)
       ;; Anchor pos: At the brace list decl start(*).
       (brace-list-entry      . 0)
       ;; Anchor pos: At the first non-ws char after the open paren if
       ;; the first token is on the same line, otherwise boi at that
       ;; token.
       (brace-entry-open      . 0)
       ;; Anchor pos: Same as brace-list-entry.
       (statement             . 0)
       ;; Anchor pos: After a `;' in the condition clause of a for
       ;; statement: At the first token after the starting paren.
       ;; Otherwise: At the preceding statement(*).
       (statement-cont        . +)
       ;; Anchor pos: After the first token in the condition clause of
       ;; a for statement: At the first token after the starting
       ;; paren.  Otherwise: At the containing statement(*).
       (statement-block-intro . +)
       ;; Anchor pos: In inexpr statement block: At the inexpr block
       ;; open if it's at boi, else at the statement(*) at boi of the
       ;; start of the inexpr construct.  In a block hanging on a
       ;; case/default label: At the closest preceding label that
       ;; starts at boi.  Otherwise: At the start of the containing
       ;; block(*).
       (statement-case-intro  . +)
       ;; Anchor pos: At the case/default label(*).
       (statement-case-open   . 0)
       ;; Anchor pos: At the case/default label(*).
       (substatement          . +)
       ;; Anchor pos: At the containing statement(*).
       (substatement-open     . +)
       ;; Anchor pos: At the containing statement(*).
       (substatement-label    . 2)
       ;; Anchor pos: At the containing statement(*).
       (case-label            . 0)
       ;; Anchor pos: At the start of the switch block(*).
       (access-label          . -)
       ;; Anchor pos: Same as inclass.
       (label                 . 2)
       ;; Anchor pos: At the start of the containing block(*).
       (do-while-closure      . 0)
       ;; Anchor pos: At the corresponding while statement(*).
       (else-clause           . 0)
       ;; Anchor pos: At the corresponding if statement(*).
       (catch-clause          . 0)
       ;; Anchor pos: At the previous try or catch statement clause(*).
       (comment-intro         . (c-lineup-knr-region-comment c-lineup-comment))
       ;; Anchor pos: None.
       (arglist-intro         . +)
       ;; Anchor pos: At the containing statement(*).
       ;; 2nd pos: At the open paren.
       (arglist-cont          . (c-lineup-gcc-asm-reg 0))
       ;; Anchor pos: At the first token after the open paren.
       (arglist-cont-nonempty . (c-lineup-gcc-asm-reg c-lineup-arglist))
       ;; Anchor pos: At the containing statement(*).
       ;; 2nd pos: At the open paren.
       (arglist-close         . +)
       ;; Anchor pos: At the containing statement(*).
       ;; 2nd pos: At the open paren.
       (stream-op             . c-lineup-streamop)
       ;; Anchor pos: Boi at the first stream op in the statement.
       (inclass               . +)
       ;; Anchor pos: At the class open brace if it's at boi,
       ;; otherwise boi at the class decl start.
       (cpp-macro             . [0])
       ;; Anchor pos: None.
       (cpp-macro-cont        . +)
       ;; Anchor pos: At the macro start (always at boi).
       (cpp-define-intro      . (c-lineup-cpp-define +))
       ;; Anchor pos: None.
       (friend                . 0)
       ;; Anchor pos: None.
       (objc-method-intro     . [0])
       ;; Anchor pos: Boi.
       (objc-method-args-cont . c-lineup-ObjC-method-args)
       ;; Anchor pos: At the method start (always at boi).
       (objc-method-call-cont . (c-lineup-ObjC-method-call-colons
				c-lineup-ObjC-method-call +))
       ;; Anchor pos: At the open bracket.
       (extern-lang-open      . 0)
       (namespace-open        . 0)
       (module-open           . 0)
       (composition-open      . 0)
       ;; Anchor pos: Boi at the extern/namespace/etc keyword.
       (extern-lang-close     . 0)
       (namespace-close       . 0)
       (module-close          . 0)
       (composition-close     . 0)
       ;; Anchor pos: Boi at the corresponding extern/namespace/etc keyword.
       (inextern-lang         . +)
       (innamespace           . +)
       (inmodule              . +)
       (incomposition         . +)
       ;; Anchor pos: At the extern/namespace/etc block open brace if
       ;; it's at boi, otherwise boi at the keyword.
       (template-args-cont    . (c-lineup-template-args +))
       ;; Anchor pos: Boi at the decl start.  This might be changed;
       ;; the logical position is clearly the opening '<'.
       (inlambda              . 0)
       ;; Anchor pos: None.
       (lambda-intro-cont     . +)
       ;; Anchor pos: Boi at the lambda start.
       (inexpr-statement      . +)
       ;; Anchor pos: None.
       (inexpr-class          . +)
       ;; Anchor pos: None.
       ))
(defcustom c-offsets-alist nil
  "Association list of syntactic element symbols and indentation offsets.
As described below, each cons cell in this list has the form:

    (SYNTACTIC-SYMBOL . OFFSET)

When a line is indented, CC Mode first determines the syntactic
context of it by generating a list of symbols called syntactic
elements.  The global variable `c-syntactic-context' is bound to that
list.  Each element in the list is in turn a list where the first
element is a syntactic symbol which tells what kind of construct the
indentation point is located within.  More elements in the syntactic
element lists are optional.  If there is one more and it isn't nil,
then it's the anchor position for that construct.

After generating the syntactic context for the line, CC Mode
calculates the absolute indentation: First the base indentation is
found by using the anchor position for the first syntactic element
that provides one.  If none does, zero is used as base indentation.
Then CC Mode looks at each syntactic element in the context in turn.
It compares the car of the syntactic element against the
SYNTACTIC-SYMBOL's in `c-offsets-alist'.  When it finds a match, it
adds OFFSET to the base indentation.  The sum of this calculation is
the absolute offset for line being indented.

If the syntactic element does not match any in the `c-offsets-alist',
the element is ignored.

OFFSET can specify an offset in several different ways:

  If OFFSET is nil then it's ignored.

  If OFFSET is an integer then it's used as relative offset, i.e. it's
  added to the base indentation.

  If OFFSET is one of the symbols `+', `-', `++', `--', `*', or `/'
  then a positive or negative multiple of `c-basic-offset' is added to
  the base indentation; 1, -1, 2, -2, 0.5, and -0.5, respectively.

  If OFFSET is a symbol with a value binding then that value, which
  must be an integer, is used as relative offset.

  If OFFSET is a vector then its first element, which must be an
  integer, is used as an absolute indentation column.  This overrides
  the previous base indentation and the relative offsets applied to
  it, and it becomes the new base indentation.

  If OFFSET is a function or a lambda expression then it's called with
  a single argument containing the cons of the syntactic symbol and
  the anchor position (or nil if there is none).  The return value
  from the function is then reinterpreted as an offset specification.

  If OFFSET is a list then its elements are evaluated recursively as
  offset specifications.  If the first element is any of the symbols
  below then it isn't evaluated but instead specifies how the
  remaining offsets in the list should be combined.  If it's something
  else then the list is combined according the method `first'.  The
  valid combination methods are:

  `first' -- Use the first offset (that doesn't evaluate to nil).
  `min'   -- Use the minimum of all the offsets.  All must be either
             relative or absolute - they can't be mixed.
  `max'   -- Use the maximum of all the offsets.  All must be either
             relative or absolute - they can't be mixed.
  `add'   -- Add all the evaluated offsets together.  Exactly one of
             them may be absolute, in which case the result is
             absolute.  Any relative offsets that preceded the
             absolute one in the list will be ignored in that case.

`c-offsets-alist' is a style variable.  This means that the offsets on
this variable are normally taken from the style system in CC Mode
\(see `c-default-style' and `c-style-alist').  However, any offsets
put explicitly on this list will override the style system when a CC
Mode buffer is initialized (there is a variable
`c-old-style-variable-behavior' that changes this, though).

Here is the current list of valid syntactic element symbols:

 string                 -- Inside multi-line string.
 c                      -- Inside a multi-line C style block comment.
 defun-open             -- Brace that opens a function definition.
 defun-close            -- Brace that closes a function definition.
 defun-block-intro      -- The first line in a top-level defun.
 class-open             -- Brace that opens a class definition.
 class-close            -- Brace that closes a class definition.
 inline-open            -- Brace that opens an in-class inline method.
 inline-close           -- Brace that closes an in-class inline method.
 func-decl-cont         -- The region between a function definition's
                           argument list and the function opening brace
                           (excluding K&R argument declarations).  In C, you
                           cannot put anything but whitespace and comments
                           between them; in C++ and Java, throws declarations
                           and other things can appear in this context.
 knr-argdecl-intro      -- First line of a K&R C argument declaration.
 knr-argdecl		-- Subsequent lines in a K&R C argument declaration.
 topmost-intro		-- The first line in a topmost construct definition.
 topmost-intro-cont	-- Topmost definition continuation lines.
 annotation-top-cont    -- Topmost definition continuation line where only
 			   annotations are on previous lines.
 annotation-var-cont    -- A continuation of a C (or like) statement where
 			   only annotations are on previous lines.
 member-init-intro	-- First line in a member initialization list.
 member-init-cont	-- Subsequent member initialization list lines.
 inher-intro		-- First line of a multiple inheritance list.
 inher-cont             -- Subsequent multiple inheritance lines.
 block-open             -- Statement block open brace.
 block-close            -- Statement block close brace.
 brace-list-open        -- Open brace of an enum or static array list.
 brace-list-close       -- Close brace of an enum or static array list.
 brace-list-intro       -- First line in an enum or static array list.
 brace-list-entry       -- Subsequent lines in an enum or static array list.
 brace-entry-open       -- Subsequent lines in an enum or static array
                           list that start with an open brace.
 statement              -- A C (or like) statement.
 statement-cont         -- A continuation of a C (or like) statement.
 statement-block-intro  -- The first line in a new statement block.
 statement-case-intro   -- The first line in a case \"block\".
 statement-case-open    -- The first line in a case block starting with brace.
 substatement           -- The first line after an if/while/for/do/else.
 substatement-open      -- The brace that opens a substatement block.
 substatement-label     -- Labeled line after an if/while/for/do/else.
 case-label             -- A \"case\" or \"default\" label.
 access-label           -- C++ private/protected/public access label.
 label                  -- Any ordinary label.
 do-while-closure       -- The \"while\" that ends a do/while construct.
 else-clause            -- The \"else\" of an if/else construct.
 catch-clause           -- The \"catch\" or \"finally\" of a try/catch construct.
 comment-intro          -- A line containing only a comment introduction.
 arglist-intro          -- The first line in an argument list.
 arglist-cont           -- Subsequent argument list lines when no
                           arguments follow on the same line as the
                           arglist opening paren.
 arglist-cont-nonempty  -- Subsequent argument list lines when at
                           least one argument follows on the same
                           line as the arglist opening paren.
 arglist-close          -- The solo close paren of an argument list.
 stream-op              -- Lines continuing a stream operator construct.
 inclass                -- The construct is nested inside a class definition.
                           Used together with e.g. `topmost-intro'.
 cpp-macro              -- The start of a C preprocessor macro definition.
 cpp-macro-cont         -- Inside a multi-line C preprocessor macro definition.
 friend                 -- A C++ friend declaration.
 objc-method-intro      -- The first line of an Objective-C method definition.
 objc-method-args-cont  -- Lines continuing an Objective-C method definition.
 objc-method-call-cont  -- Lines continuing an Objective-C method call.
 extern-lang-open       -- Brace that opens an \"extern\" block.
 extern-lang-close      -- Brace that closes an \"extern\" block.
 inextern-lang          -- Analogous to the `inclass' syntactic symbol,
                           but used inside \"extern\" blocks.
 namespace-open, namespace-close, innamespace
                        -- Similar to the three `extern-lang' symbols, but for
                           C++ \"namespace\" blocks.
 module-open, module-close, inmodule
                        -- Similar to the three `extern-lang' symbols, but for
                           CORBA IDL \"module\" blocks.
 composition-open, composition-close, incomposition
                        -- Similar to the three `extern-lang' symbols, but for
                           CORBA CIDL \"composition\" blocks.
 template-args-cont     -- C++ template argument list continuations.
 inlambda               -- In the header or body of a lambda function.
 lambda-intro-cont      -- Continuation of the header of a lambda function.
 inexpr-statement       -- The statement is inside an expression.
 inexpr-class           -- The class is inside an expression.  Used e.g. for
                           Java anonymous classes."
  :type
  `(set :format "%{%t%}:
 Override style setting
 |  Syntax                     Offset
%v"
	,@(mapcar
	   (lambda (elt)
	     `(cons :format "%v"
		    :value ,elt
		    ,(c-constant-symbol (car elt) 25)
		    (sexp :format "%v"
			  :validate
			  (lambda (widget)
			    (unless (c-valid-offset (widget-value widget))
			      (widget-put widget :error "Invalid offset")
			      widget)))))
	   (get 'c-offsets-alist 'c-stylevar-fallback)))
  :group 'c)

;; The syntactic symbols that can occur inside code blocks. Used by
;; `c-gnu-impose-minimum'.
(defconst c-inside-block-syms
  '(defun-block-intro block-open block-close statement statement-cont
    statement-block-intro statement-case-intro statement-case-open
    substatement substatement-open substatement-label case-label label
    do-while-closure else-clause catch-clause inlambda annotation-var-cont))

(defcustom c-style-variables-are-local-p t
  "Whether style variables should be buffer local by default.
If non-nil, then all indentation style related variables will be made
buffer local by default.  If nil, they will remain global.  Variables
are made buffer local when this file is loaded, and once buffer
localized, they cannot be made global again.

This variable must be set appropriately before CC Mode is loaded.

The list of variables to buffer localize are:
    c-basic-offset
    c-comment-only-line-offset
    c-indent-comment-alist
    c-indent-comments-syntactically-p
    c-block-comment-prefix
    c-comment-prefix-regexp
    c-doc-comment-style
    c-cleanup-list
    c-hanging-braces-alist
    c-hanging-colons-alist
    c-hanging-semi&comma-criteria
    c-backslash-column
    c-backslash-max-column
    c-label-minimum-indentation
    c-offsets-alist
    c-special-indent-hook
    c-indentation-style"
  :type 'boolean
  :safe 'booleanp
  :group 'c)

(defcustom c-mode-hook nil
  "Hook called by `c-mode'."
  :type 'hook
  :group 'c)

(defcustom c++-mode-hook nil
  "Hook called by `c++-mode'."
  :type 'hook
  :group 'c)

(defcustom objc-mode-hook nil
  "Hook called by `objc-mode'."
  :type 'hook
  :group 'c)

(defcustom java-mode-hook nil
  "Hook called by `java-mode'."
  :type 'hook
  :group 'c)

(defcustom idl-mode-hook nil
  "Hook called by `idl-mode'."
  :type 'hook
  :group 'c)

(defcustom pike-mode-hook nil
  "Hook called by `pike-mode'."
  :type 'hook
  :group 'c)

(defcustom awk-mode-hook nil
  "Hook called by `awk-mode'."
  :type 'hook
  :group 'c)

(defcustom c-mode-common-hook nil
  "Hook called by all CC Mode modes for common initializations."
  :type 'hook
  :group 'c)

(defcustom c-initialization-hook nil
  "Hook called when the CC Mode package gets initialized.
This hook is only run once per Emacs session and can be used as a
`load-hook' or in place of using `eval-after-load'."
  :type 'hook
  :group 'c)

(defcustom c-enable-xemacs-performance-kludge-p nil
  "Enables a XEmacs only hack that may improve speed for some coding styles.
For styles that hang top-level opening braces (as is common with JDK
Java coding styles) this can improve performance between 3 and 60
times for core indentation functions (e.g. `c-parse-state').  For
styles that conform to the Emacs recommendation of putting these
braces in column zero, this can degrade performance about as much.
This variable only has effect in XEmacs."
  :type 'boolean
  :group 'c)

(defcustom c-old-style-variable-behavior nil
  "Enables the old style variable behavior when non-nil.

Normally the values of the style variables will override the style
settings specified by the variables `c-default-style' and
`c-style-alist'.  However, in CC Mode 5.25 and earlier, it was the
other way around, meaning that changes made to the style variables
from e.g. Customize would not take effect unless special precautions
were taken.  That was confusing, especially for novice users.

It's believed that despite this change, the new behavior will still
produce the same results for most old CC Mode configurations, since
all style variables are per default set in a special non-override
state.  Set this variable only if your configuration has stopped
working due to this change."
  :type 'boolean
  :group 'c)

(define-widget 'c-extra-types-widget 'radio
  "Internal CC Mode widget for the `*-font-lock-extra-types' variables."
  :args '((const :tag "none" nil)
	  (repeat :tag "types" regexp)))

(defun c-make-font-lock-extra-types-blurb (mode1 mode2 example)
  (concat "\
*List of extra types (aside from the type keywords) to recognize in "
mode1 " mode.
Each list item should be a regexp matching a single identifier.
" example "

Note that items on this list that don't include any regexp special
characters are automatically optimized using `regexp-opt', so you
should not use `regexp-opt' explicitly to build regexps here.

On decoration level 3 (and higher, where applicable), a method is used
that finds most types and declarations by syntax alone.  This variable
is still used as a first step, but other types are recognized
correctly anyway in most cases.  Therefore this variable should be
fairly restrictive and not contain patterns that are uncertain.

Note that this variable is only consulted when the major mode is
initialized.  If you change it later you have to reinitialize CC Mode
by doing \\[" mode2 "].

Despite the name, this variable is not only used for font locking but
also elsewhere in CC Mode to tell types from other identifiers."))

;; Note: Most of the variables below are also defined in font-lock.el
;; in older versions of Emacs, so depending on the load order we might
;; not install the values below.  There's no kludge to cope with this
;; (as opposed to the *-font-lock-keywords-* variables) since the old
;; values work fairly well anyway.

(defcustom c-font-lock-extra-types
  '("\\sw+_t"
    ;; Defined in C99:
    "bool" "complex" "imaginary"
    ;; Standard library types (except those matched by the _t pattern):
    "FILE" "lconv" "tm" "va_list" "jmp_buf"
    ;; I do not appreciate the following very Emacs-specific luggage
    ;; in the default value, but otoh it can hardly get in the way for
    ;; other users, and removing it would cause unnecessary grief for
    ;; the old timers that are used to it. /mast
    "Lisp_Object")
  (c-make-font-lock-extra-types-blurb "C" "c-mode"
"For example, a value of (\"FILE\" \"\\\\sw+_t\") means the word \"FILE\"
and words ending in \"_t\" are treated as type names.")
  :type 'c-extra-types-widget
  :group 'c)

(defcustom c++-font-lock-extra-types
  '("\\sw+_t"
    ;; C library types (except those matched by the _t pattern):
    "FILE" "lconv" "tm" "va_list" "jmp_buf"
    ;; Some standard C++ types that came from font-lock.el.
    ;; Experienced C++ users says there's no clear benefit in
    ;; extending this to all the types in the standard library, at
    ;; least not when they'll be recognized without "std::" too.
    "istream" "istreambuf"
    "ostream" "ostreambuf"
    "ifstream" "ofstream" "fstream"
    "strstream" "strstreambuf" "istrstream" "ostrstream"
    "ios"
    "string" "rope"
    "list" "slist"
    "deque" "vector" "bit_vector"
    "set" "multiset"
    "map" "multimap"
    "hash"
    "hash_set" "hash_multiset"
    "hash_map" "hash_multimap"
    "stack" "queue" "priority_queue"
    "type_info"
    "iterator" "const_iterator" "reverse_iterator" "const_reverse_iterator"
    "reference" "const_reference")
  (c-make-font-lock-extra-types-blurb "C++" "c++-mode"
"For example, a value of (\"string\") means the word \"string\" is treated
as a type name.")
  :type 'c-extra-types-widget
  :group 'c)

(defcustom objc-font-lock-extra-types
  (list (concat "[" c-upper "]\\sw*[" c-lower "]\\sw*"))
  (c-make-font-lock-extra-types-blurb "ObjC" "objc-mode" (concat
"For example, a value of (\"[" c-upper "]\\\\sw*[" c-lower "]\\\\sw*\") means
capitalized words are treated as type names (the requirement for a
lower case char is to avoid recognizing all-caps macro and constant
names)."))
  :type 'c-extra-types-widget
  :group 'c)

(defcustom java-font-lock-extra-types
  (list (concat "[" c-upper "]\\sw*[" c-lower "]\\sw"))
  (c-make-font-lock-extra-types-blurb "Java" "java-mode" (concat
"For example, a value of (\"[" c-upper "]\\\\sw*[" c-lower "]\\\\sw*\") means
capitalized words are treated as type names (the requirement for a
lower case char is to avoid recognizing all-caps constant names)."))
  :type 'c-extra-types-widget
  :group 'c)

(defcustom idl-font-lock-extra-types nil
  (c-make-font-lock-extra-types-blurb "IDL" "idl-mode" "")
  :type 'c-extra-types-widget
  :group 'c)

(defcustom pike-font-lock-extra-types
  (list (concat "[" c-upper "]\\sw*[" c-lower "]\\sw*"))
  (c-make-font-lock-extra-types-blurb "Pike" "pike-mode" (concat
"For example, a value of (\"[" c-upper "]\\\\sw*[" c-lower "]\\\\sw*\") means
capitalized words are treated as type names (the requirement for a
lower case char is to avoid recognizing all-caps macro and constant
names)."))
  :type 'c-extra-types-widget
  :group 'c)

(defcustom c-asymmetry-fontification-flag t
  "Whether to fontify certain ambiguous constructs by white space asymmetry.

In the fontification engine, it is sometimes impossible to determine
whether a construct is a declaration or an expression.  This happens
particularly in C++, due to ambiguities in the language.  When such a
construct is like \"foo * bar\" or \"foo &bar\", and this variable is non-nil
\(the default), the construct will be fontified as a declaration if there is
white space either before or after the operator, but not both."
  :version "26.1"
  :type 'boolean
  :group 'c)

(defcustom c-cpp-indent-to-body-directives '("pragma")
  "Preprocessor directives which will be indented as statements.

A list of Preprocessor directives which when reindented, or newly
typed in, will cause the \"#\" introducing the directive to be
indented as a statement."
  :type '(repeat string)
  :group 'c)

;; Initialize the next two to a regexp which never matches.
(defvar c-noise-macro-with-parens-name-re regexp-unmatchable)
(make-variable-buffer-local 'c-noise-macro-with-parens-name-re)
(defvar c-noise-macro-name-re regexp-unmatchable)
(make-variable-buffer-local 'c-noise-macro-name-re)

(defcustom c-noise-macro-names nil
  "A list of names of macros which expand to nothing, or compiler extensions
like \"????\" which are syntactic noise.  Such a macro/extension is complete in
itself, never having parentheses.  All these names must be syntactically valid
identifiers.

If you change this variable's value, call the function
`c-make-noise-macro-regexps' to set the necessary internal variables (or do
this implicitly by reinitializing C/C++/Objc Mode on any buffer)."
  :version "26.1"
  :type '(repeat :tag "List of names" string)
  :group 'c)
(put 'c-noise-macro-names 'safe-local-variable #'c-string-list-p)
(make-variable-buffer-local 'c-noise-macro-names)

(defcustom c-noise-macro-with-parens-names nil
  "A list of names of macros (or compiler extensions like \"__attribute__\")
which optionally have arguments in parentheses, and which expand to nothing.
These are recognized by CC Mode only in declarations."
  :version "26.1"
  :type '(repeat :tag "List of names (possibly empty)" string)
  :group 'c)
(put 'c-noise-macro-with-parens-names 'safe-local-variable #'c-string-list-p)
(make-variable-buffer-local 'c-noise-macro-with-parens-names)

(defun c-make-noise-macro-regexps ()
  ;; Convert `c-noise-macro-names' and `c-noise-macro-with-parens-names' into
  ;; `c-noise-macro-name-re' and `c-noise-macro-with-parens-name-re'.
  (setq c-noise-macro-with-parens-name-re
	(cond ((null c-noise-macro-with-parens-names) regexp-unmatchable)
	      ((consp c-noise-macro-with-parens-names)
	       (concat (regexp-opt c-noise-macro-with-parens-names t)
		       "\\([^[:alnum:]_$]\\|$\\)"))
	      ((stringp c-noise-macro-with-parens-names)
	       (copy-sequence c-noise-macro-with-parens-names))
	      (t (error "c-make-noise-macro-regexps: \
c-noise-macro-with-parens-names is invalid: %s" c-noise-macro-with-parens-names))))
  (setq c-noise-macro-name-re
	(cond ((null c-noise-macro-names) regexp-unmatchable)
	      ((consp c-noise-macro-names)
	       (concat (regexp-opt c-noise-macro-names t)
		       "\\([^[:alnum:]_$]\\|$\\)"))
	      ((stringp c-noise-macro-names)
	       (copy-sequence c-noise-macro-names))
	      (t (error "c-make-noise-macro-regexps: \
c-noise-macro-names is invalid: %s" c-noise-macro-names)))))
\f
;; Non-customizable variables, still part of the interface to CC Mode
(defvar c-macro-with-semi-re nil
  ;; Regular expression which matches a (#define'd) symbol whose expansion
  ;; ends with a semicolon.
  ;;
  ;; This variable should be set by `c-make-macros-with-semi-re' rather than
  ;; directly.
)
(make-variable-buffer-local 'c-macro-with-semi-re)

(defvar c-macro-names-with-semicolon
  '("Q_OBJECT" "Q_PROPERTY" "Q_DECLARE" "Q_ENUMS")
  "List of #defined symbols whose expansion ends with a semicolon.
Alternatively it can be a string, a regular expression which
matches all such symbols.

The \"symbols\" must be syntactically valid identifiers in the
target language (C, C++, Objective C), or (as the case may be)
the regular expression must match only valid identifiers.

If you change this variable's value, call the function
`c-make-macros-with-semi-re' to set the necessary internal
variables.")
(make-variable-buffer-local 'c-macro-names-with-semicolon)
(put 'c-macro-names-with-semicolon 'safe-local-variable
     #'c-string-or-string-list-p)

(defun c-make-macro-with-semi-re ()
  ;; Convert `c-macro-names-with-semicolon' into the regexp
  ;; `c-macro-with-semi-re' (or just copy it if it's already a re).
  (setq c-macro-with-semi-re
	(and
	 (boundp 'c-opt-cpp-macro-define)
	 c-opt-cpp-macro-define
	 (cond
	  ((stringp c-macro-names-with-semicolon)
	   (copy-sequence c-macro-names-with-semicolon))
	  ((consp c-macro-names-with-semicolon)
	   (concat
	    "\\<"
	    (regexp-opt c-macro-names-with-semicolon)
	    "\\>"))   ; N.B. the PAREN param of regexp-opt isn't supported by
		      ; all XEmacsen.
	  ((null c-macro-names-with-semicolon)
	   nil)
	  (t (error "c-make-macro-with-semi-re: invalid \
c-macro-names-with-semicolon: %s"
		    c-macro-names-with-semicolon))))))

(defcustom c-mark-wrong-style-of-comment nil
  "Fontify \"invalid\" comment delims with `font-lock-warning-face' if non-nil.
\"Invalid\" means a line comment when the default comment style (set by
`c-toggle-comment-style') is block, or a block comment otherwise."
  :type 'boolean
  :group 'c
  :version "27.1")

(defvar c-file-style nil
  "Variable interface for setting style via File Local Variables.
In a file's Local Variable section, you can set this variable to a
string suitable for `c-set-style'.  When the file is visited, CC Mode
will set the style of the file to this value automatically.

Note that file style settings are applied before file offset settings
as designated in the variable `c-file-offsets'.")
(make-variable-buffer-local 'c-file-style)
;;;###autoload(put 'c-file-style 'safe-local-variable 'string-or-null-p)

(defvar c-file-offsets nil
  "Variable interface for setting offsets via File Local Variables.
In a file's Local Variable section, you can set this variable to an
association list similar to the values allowed in `c-offsets-alist'.
When the file is visited, CC Mode will institute these offset settings
automatically.

Note that file offset settings are applied after file style settings
as designated in the variable `c-file-style'.")
(make-variable-buffer-local 'c-file-offsets)

;; It isn't possible to specify a doc-string without specifying an
;; initial value with `defvar', so the following two variables have been
;; given doc-strings by setting the property `variable-documentation'
;; directly.  C-h v will read this documentation only for versions of GNU
;; Emacs from 22.1.  It's really good not to have an initial value for
;; variables like these that always should be dynamically bound, so it's
;; worth the inconvenience.

(cc-bytecomp-defvar c-syntactic-context)
(defvar c-syntactic-context)
(put 'c-syntactic-context 'variable-documentation
  "Variable containing the syntactic analysis list for a line of code.

It is a list with one element for each syntactic symbol pertinent to the
line, for example \"((defun-block-intro 1) (comment-intro))\".

It is dynamically bound when calling (i) a brace hanging \"action
function\"; (ii) a semicolon/comma hanging \"criteria function\"; (iii) a
\"line-up function\"; (iv) a c-special-indent-hook function.  It is also
used internally by CC Mode.

c-syntactic-context is always bound dynamically.  It must NEVER be set
statically (e.g. with `setq').")


(cc-bytecomp-defvar c-syntactic-element)
(defvar c-syntactic-element)
(put 'c-syntactic-element 'variable-documentation
     "Variable containing the current syntactic element during calls to
the lineup functions.  The value is one of the elements in the list in
`c-syntactic-context' and is a list with the symbol name in the first
position, followed by zero or more elements containing any additional
info associated with the syntactic symbol.  There are accessor functions
`c-langelem-sym', `c-langelem-pos', `c-langelem-col', and
`c-langelem-2nd-pos' to access the list.

Specifically, the element returned by `c-langelem-pos' is the anchor
position, or nil if there isn't any.  See the comments in the
`c-offsets-alist' variable and the CC Mode manual for more detailed info
about the data each syntactic symbol provides.

This is always bound dynamically.  It should never be set
statically (e.g. with `setq').")

(defvar c-indentation-style nil
  "Name of the currently installed style.
Don't change this directly; call `c-set-style' instead, or set the variable
`c-file-style' in the file's Local Variable list.")

(defvar c-current-comment-prefix nil
  "The current comment prefix regexp.
Set from `c-comment-prefix-regexp' at mode initialization.")
(make-variable-buffer-local 'c-current-comment-prefix)

;; N.B. The next three variables are initialized in
;; c-setup-paragraph-variables.  Their initializations here are "just in
;; case".  ACM, 2004/2/15.  They are NOT buffer local (yet?).
(defvar c-string-par-start
;;   (concat "\\(" (default-value 'paragraph-start) "\\)\\|[ \t]*\\\\$")
  "\f\\|[ \t]*\\\\?$"
  "Value of paragraph-start used when scanning strings.
It treats escaped EOLs as whitespace.")

(defvar c-string-par-separate
  ;; (concat "\\(" (default-value 'paragraph-separate) "\\)\\|[ \t]*\\\\$")
  "[ \t\f]*\\\\?$"
  "Value of paragraph-separate used when scanning strings.
It treats escaped EOLs as whitespace.")

(defvar c-sentence-end-with-esc-eol
  (concat "\\(\\(" (c-default-value-sentence-end) "\\)"
		;; N.B.:  "$" would be illegal when not enclosed like "\\($\\)".
		"\\|" "[.?!][]\"')}]* ?\\\\\\($\\)[ \t\n]*"
		"\\)")
  "Value used like sentence-end used when scanning strings.
It treats escaped EOLs as whitespace.")

\f
(cc-provide 'cc-vars)

;; Local Variables:
;; indent-tabs-mode: t
;; tab-width: 8
;; End:
;;; cc-vars.el ends here

debug log:

solving 0391cdccfd ...
found 0391cdccfd in https://yhetil.org/emacs-devel/20200119172647.GB9172@ACM/ ||
	https://yhetil.org/emacs-devel/20200120212702.GB4348@ACM/
found 861872486c in https://git.savannah.gnu.org/cgit/emacs.git
preparing index
index prepared:
100644 861872486c7dffbd38dd49adcae454ffe2e31c20	lisp/progmodes/cc-vars.el

applying [1/1] https://yhetil.org/emacs-devel/20200119172647.GB9172@ACM/
diff --git a/lisp/progmodes/cc-vars.el b/lisp/progmodes/cc-vars.el
index 861872486c..0391cdccfd 100644

Checking patch lisp/progmodes/cc-vars.el...
Applied patch lisp/progmodes/cc-vars.el cleanly.

skipping https://yhetil.org/emacs-devel/20200120212702.GB4348@ACM/ for 0391cdccfd
index at:
100644 0391cdccfd4462bb8134516203266d828553a91a	lisp/progmodes/cc-vars.el

(*) Git path names are given by the tree(s) the blob belongs to.
    Blobs themselves have no identifier aside from the hash of its contents.^

Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).