File: parser_c.mly

package info (click to toggle)
coccinelle 1.0.8.deb-5
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, sid
  • size: 26,148 kB
  • sloc: ml: 136,392; ansic: 23,594; sh: 2,189; makefile: 2,157; perl: 1,576; lisp: 840; python: 823; awk: 70; csh: 12
file content (2390 lines) | stat: -rw-r--r-- 78,506 bytes parent folder | download
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
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
%{
(* Yoann Padioleau
 *
 * Copyright (C) 2002, 2006, 2007, 2008, 2009 Yoann Padioleau
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License (GPL)
 * version 2 as published by the Free Software Foundation.
 *
 * This program 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
 * file license.txt for more details.
 *)

(**
 * This grammar has been inspired by:
 * http://www.lysator.liu.se/c/ANSI-C-grammar-y.html
 *)

open Common

open Ast_c

module LP = Lexer_parser
open Lexer_parser (* for the fields *)

open Semantic_c (* Semantic exn *)
module T = Token_c

(*****************************************************************************)
(* Wrappers *)
(*****************************************************************************)
let warning s v =
  if !Flag_parsing_c.verbose_parsing
  then Common.warning ("PARSING: " ^ s) v
  else v

let computed_warning s v = (*do not construct string unless it will be shown*)
  if !Flag_parsing_c.verbose_parsing
  then Common.warning ("PARSING: " ^ (s())) v
  else v

let pr2, pr2_once = Common.mk_pr2_wrappers Flag_parsing_c.verbose_parsing

(*****************************************************************************)
(* Parse helpers functions *)
(*****************************************************************************)

(*-------------------------------------------------------------------------- *)
(* Type related *)
(*-------------------------------------------------------------------------- *)

type shortLong      = Short  | Long | LongLong

type decl = {
  storageD: storagebis wrap;
  typeD: ((sign option) * (shortLong option) * (typeCbis option)) wrap;
  qualifD: typeQualifierbis wrap;
  inlineD: bool             wrap;
  (* note: have a full_info: parse_info list; to remember ordering
   * between storage, qualifier, type ? well this info is already in
   * the Ast_c.info, just have to sort them to get good order *)
}

let nullDecl = {
  storageD = NoSto, [];
  typeD = (None, None, None), [];
  qualifD = nullQualif;
  inlineD = false, [];
}
let fake_pi = Common.fake_parse_info

let addStorageD  = function
  | ((x,ii), ({storageD = (NoSto,[])} as v)) -> { v with storageD = (x, [ii]) }
  | ((x,ii), ({storageD = (y, ii2)} as v)) ->
      if x = y then warning "duplicate storage classes" v
      else warning "multiple storage classes, keeping the second" v

let addInlineD  = function
  | ((true,ii), ({inlineD = (false,[])} as v)) -> { v with inlineD=(true,[ii])}
  | ((true,ii), ({inlineD = (true, ii2)} as v)) -> warning "duplicate inline" v
  | _ -> raise (Impossible 86)


let addTypeD     = function
  | ((Left3 Signed,ii)   ,({typeD = ((Some Signed,  b,c),ii2)} as v)) ->
      warning "duplicate 'signed'"   v
  | ((Left3 UnSigned,ii) ,({typeD = ((Some UnSigned,b,c),ii2)} as v)) ->
      warning "duplicate 'unsigned'" v
  | ((Left3 _,ii),        ({typeD = ((Some _,b,c),ii2)} as _v)) ->
      raise (Semantic ("both signed and unsigned specified", fake_pi))
  | ((Left3 x,ii),        ({typeD = ((None,b,c),ii2)} as v))   ->
      {v with typeD = (Some x,b,c),ii @ ii2}

  | ((Middle3 Short,ii),  ({typeD = ((a,Some Short,c),ii2)} as v)) ->
      warning "duplicate 'short'" v


  (* gccext: long long allowed *)
  | ((Middle3 Long,ii),   ({typeD = ((a,Some Long ,c),ii2)} as v)) ->
      { v with typeD = (a, Some LongLong, c),ii @ ii2 }
  | ((Middle3 Long,ii),   ({typeD = ((a,Some LongLong ,c),ii2)} as v)) ->
      warning "triplicate 'long'" v


  | ((Middle3 _,ii),      ({typeD = ((a,Some _,c),ii2)} as _v)) ->
      raise (Semantic ("both long and short specified", fake_pi))
  | ((Middle3 x,ii),      ({typeD = ((a,None,c),ii2)} as v))  ->
      {v with typeD = (a, Some x,c),ii @ ii2}

  | ((Right3 t,ii),       ({typeD = ((a,b,Some x),ii2)} as v)) ->
      let mktype t ii = (({const=false;volatile=false;},[]),(t,ii)) in
      computed_warning
	(fun _ ->
	  Printf.sprintf
	    "two or more data types: dropping %s, keeping typeD %s\n"
	    (Pretty_print_c.string_of_fullType (mktype t ii))
	    (Pretty_print_c.string_of_fullType (mktype x ii2)))
	v
  | ((Right3 t,ii),       ({typeD = ((a,b,None),ii2)} as v))   ->
      {v with typeD = (a,b, Some t),ii @ ii2}


let addQualif = function
  | ({const=true},   ({const=true} as x)) ->   warning "duplicate 'const'" x
  | ({volatile=true},({volatile=true} as x))-> warning "duplicate 'volatile'" x
  | ({const=true},    v) -> {v with const=true}
  | ({volatile=true}, v) -> {v with volatile=true}
  | _ ->
      internal_error "there is no noconst or novolatile keyword"

let addQualifD ((qu,ii), ({qualifD = (v,ii2)} as x)) =
  { x with qualifD = (addQualif (qu, v),ii::ii2) }


(*-------------------------------------------------------------------------- *)
(* Declaration/Function related *)
(*-------------------------------------------------------------------------- *)


(* stdC: type section, basic integer types (and ritchie)
 * To understand the code, just look at the result (right part of the PM)
 * and go back.
 *)
let (fixDeclSpecForDecl: decl -> (fullType * (storage wrap)))  = function
 {storageD = (st,iist);
  qualifD = (qu,iiq);
  typeD = (ty,iit);
  inlineD = (inline,iinl);
  } ->
   let ty',iit' =
   (match ty with
 | (None,None,None)       ->
     (* generate fake_info, otherwise type_annotater can crash in
      * offset.
      *)
     warning "type defaults to 'int'" (defaultInt, [fakeInfo fake_pi])
 | (None, None, Some t)   -> (t, iit)

 | (Some sign,   None, (None| Some (BaseType (IntType (Si (_,CInt))))))  ->
     BaseType(IntType (Si (sign, CInt))), iit
 | ((None|Some Signed),Some x,(None|Some(BaseType(IntType (Si (_,CInt)))))) ->
     BaseType(IntType (Si (Signed, [Short,CShort; Long, CLong; LongLong, CLongLong] +> List.assoc x))), iit
 | (Some UnSigned, Some x, (None| Some (BaseType (IntType (Si (_,CInt))))))->
     BaseType(IntType (Si (UnSigned, [Short,CShort; Long, CLong; LongLong, CLongLong] +> List.assoc x))), iit
 | (Some sign,   None, (Some (BaseType (IntType CChar))))   ->
     BaseType(IntType (Si (sign, CChar2))), iit
 | (None, Some Long,(Some(BaseType(FloatType CDouble))))    ->
     BaseType (FloatType (CLongDouble)), iit
 | (None, Some Long,(Some(BaseType(FloatType CDoubleComplex))))    ->
     BaseType (FloatType (CLongDoubleComplex)), iit

 | (Some _,_, Some _) ->
     (*mine*)
     raise (Semantic ("signed, unsigned valid only for char and int", fake_pi))
 | (_,Some _,(Some(BaseType(FloatType (CFloat))))) ->
     raise (Semantic ("long or short specified with floating type", fake_pi))
 | (_,Some Short,(Some(BaseType(FloatType CDouble)))) ->
     raise (Semantic ("the only valid combination is long double", fake_pi))
 | (_,Some Short,(Some(BaseType(FloatType CDoubleComplex)))) ->
     raise (Semantic ("the only valid combination is long double complex", fake_pi))

 | (_, Some _, Some _) ->
     (* mine *)
     raise (Semantic ("long, short valid only for int or float", fake_pi))

     (* if do short uint i, then gcc say parse error, strange ? it is
      * not a parse error, it is just that we don't allow with typedef
      * either short/long or signed/unsigned. In fact, with
      * parse_typedef_fix2 (with et() and dt()) now I say too parse
      * error so this code is executed only when do short struct
      * {....} and never with a typedef cos now we parse short uint i
      * as short ident ident => parse error (cos after first short i
      * pass in dt() mode) *)

   )
   in
   ((qu, iiq),
   (ty', iit'))
     ,((st, inline),iist @ iinl)


let fixDeclSpecForParam = function ({storageD = (st,iist)} as r) ->
  let ((qu,ty) as v,_st) = fixDeclSpecForDecl r in
  match st with
  | (Sto Register) -> (v, true), iist
  | NoSto -> (v, false), iist
  | _ ->
      raise
        (Semantic ("storage class specified for parameter of function",
                  fake_pi))

let fixDeclSpecForMacro = function ({storageD = (st,iist)} as r) ->
  let ((qu,ty) as v,_st) = fixDeclSpecForDecl r in
  match st with
  | NoSto -> v
  | _ ->
      raise
        (Semantic ("storage class specified for macro type decl",
                  fake_pi))


let fixDeclSpecForFuncDef x =
  let (returnType,storage) = fixDeclSpecForDecl x in
  (match fst (unwrap storage) with
  | StoTypedef ->
      raise (Semantic ("function definition declared 'typedef'", fake_pi))
  | _ -> (returnType, storage)
  )


(* parameter: (this is the context where we give parameter only when
 * in func DEFINITION not in funct DECLARATION) We must have a name.
 * This function ensure that we give only parameterTypeDecl with well
 * formed Classic constructor todo?: do we accept other declaration
 * in ? so I must add them to the compound of the deffunc. I don't
 * have to handle typedef pb here cos C forbid to do VF f { ... }
 * with VF a typedef of func cos here we don't see the name of the
 * argument (in the typedef)
 *)
let (fixOldCDecl: fullType -> fullType) = fun ty ->
  match Ast_c.unwrap_typeC ty with
  | FunctionType (fullt, (params, (b, iib))) ->

      (* stdC: If the prototype declaration declares a parameter for a
       * function that you are defining (it is part of a function
       * definition), then you must write a name within the declarator.
       * Otherwise, you can omit the name. *)
      (match params with
      | [{p_namei = None; p_type = ty2},_] ->
          (match Ast_c.unwrap_typeC ty2 with
          | BaseType Void ->
              ty
          | _ ->
              pr2_once ("SEMANTIC:parameter name omitted, but I continue");
              ty
          )

      | params ->
          (params +> List.iter (fun (param,_) ->
            match param with
            | {p_namei = None} ->
              (* if majuscule, then certainly macro-parameter *)
                pr2_once ("SEMANTIC:parameter name omitted, but I continue");
	    | _ -> ()
          ));
          ty
      )

        (* todo? can we declare prototype in the decl or structdef,
           ... => length <> but good kan meme *)
  | _ ->
      (* gcc say parse error but don't see why *)
      raise (Semantic ("seems this is not a function", fake_pi))


let fixFunc (typ, compound, old_style_opt) =
  let (cp,iicp) = compound in

  let (name, ty,   (st,iist),  attrs) = typ in

  let (qu, tybis) = ty in

  match Ast_c.unwrap_typeC ty with
  | FunctionType (fullt, (params,abool)) ->
      let iifunc = Ast_c.get_ii_typeC_take_care tybis in

      let iistart = Ast_c.fakeInfo () in
      assert (qu = nullQualif);

      (match params with
      | [{p_namei= None; p_type = ty2}, _] ->
          (match Ast_c.unwrap_typeC ty2 with
          | BaseType Void ->  ()
          | _ ->
                (* failwith "internal error: fixOldCDecl not good" *)
              ()
          )
      | params ->
          params +> List.iter (function
          | ({p_namei = Some s}, _) -> ()
	  | _ -> ()
                (* failwith "internal error: fixOldCDecl not good" *)
          )
      );
      (* bugfix: cf tests_c/function_pointer4.c.
       * Apparemment en C on peut syntaxiquement ecrire ca:
       *
       *   void a(int)(int x);
       * mais apres gcc gueule au niveau semantique avec:
       *   xxx.c:1: error: 'a' declared as function returning a function
       * Je ne faisais pas cette verif. Sur du code comme
       *   void METH(foo)(int x) { ...} , le parser croit (a tort) que foo
       * est un typedef, et donc c'est parsé comme l'exemple precedent,
       * ce qui ensuite confuse l'unparser qui n'est pas habitué
       * a avoir dans le returnType un FunctionType et qui donc
       * pr_elem les ii dans le mauvais sens ce qui genere au final
       * une exception. Hence this fix to at least detect the error
       * at parsing time (not unparsing time).
       *)
      (match Ast_c.unwrap_typeC fullt with
      | FunctionType _ ->
          let s = Ast_c.str_of_name name in
          let iis = Ast_c.info_of_name name in
          pr2 (spf "WEIRD: %s declared as function returning a function." s);
          pr2 (spf "This is probably because of a macro. Extend standard.h");
          raise (Semantic (spf "error: %s " s, Ast_c.parse_info_of_info iis))
      | _ -> ()
      );

      (* it must be nullQualif,cos parser construct only this*)
      {f_name = name;
       f_type = (fullt, (params, abool));
       f_storage = st;
       f_body =
	if !Flag_parsing_c.parsing_header_for_types
	then []
	else cp;
       f_attr = attrs;
       f_old_c_style = old_style_opt;
      },
      (iifunc @ iicp @ [iistart] @ iist)
  | _ ->
      raise
        (Semantic
            ("you are trying to do a function definition but you don't give " ^
             "any parameter", fake_pi))


(*-------------------------------------------------------------------------- *)
(* parse_typedef_fix2 *)
(*-------------------------------------------------------------------------- *)

let dt s () =
  if !Flag_parsing_c.debug_etdt then pr2 ("<" ^ s);
  LP.disable_typedef ()

let et s () =
  if !Flag_parsing_c.debug_etdt then pr2 (">" ^ s);
  LP.enable_typedef ()


let fix_add_params_ident x =
  let (s, ty, st, _attrs) = x in
  match Ast_c.unwrap_typeC ty with
  | FunctionType (fullt, (params, bool)) ->

      (match params with
      | [{p_namei=None; p_type=ty2}, _] ->
          (match Ast_c.unwrap_typeC ty2 with
          | BaseType Void -> ()
          | _ ->
              (* failwith "internal error: fixOldCDecl not good" *)
              ()
          )
      | params ->
          params +> List.iter (function
          | ({p_namei= Some name}, _) ->
              LP.add_ident (Ast_c.str_of_name s)
	  | _ ->
              ()
                (* failwith "internal error: fixOldCDecl not good" *)
          )
      )
  | _ -> ()

(*-------------------------------------------------------------------------- *)
(* shortcuts *)
(*-------------------------------------------------------------------------- *)

let mk_e e ii = Ast_c.mk_e e ii

let mk_string_wrap (s,info) = (s, [info])

(*-------------------------------------------------------------------------- *)
(* support for functions with no return type *)
(*-------------------------------------------------------------------------- *)

let args_are_params l =
  match l with
    [Right (ArgAction(ActMisc [x])), ii] when Ast_c.is_fake x -> true
  | _ -> List.for_all (function Right (ArgType x), ii -> true | _ -> false) l
let args_to_params l pb =
  let pi =
    match pb with Some pb -> Ast_c.parse_info_of_info pb | None -> fake_pi in
  match l with
    [(Right (ArgAction(ActMisc [x])), ii)] when Ast_c.is_fake x -> []
  | l ->
      List.map
	(function
	    Right (ArgType x), ii -> x, ii
	  | x ->
	      raise
		(Semantic
		   ("function with no return type must have types in param list",
		    pi)))
	l

(* For fake info added at the end of a conditional or iteration, to have the
correct position information *)
let postfakeInfo pii  =
  let (max,min) =  Lib_parsing_c.max_min_ii_by_pos pii in
  let max_pi = Ast_c.get_info (fun x -> x) max in
  let vp = ({str="";charpos=max_pi.Common.charpos;line=max_pi.Common.line;
	      column=max_pi.Common.column;file=max_pi.Common.file},
	    String.length max_pi.Common.str) in
  { pinfo = FakeTok ("",vp);
    cocci_tag = ref Ast_c.emptyAnnot;
    annots_tag = Token_annot.empty;
    comments_tag = ref Ast_c.emptyComments;
    danger = ref Ast_c.NoDanger;
  }

%}

/*(*****************************************************************************)*/
/*(* Tokens *)*/
/*(*************************************************************************)*/

/*
(*
 * Some tokens are not even used in this file because they are filtered
 * in some intermediate phase. But they still must be declared because
 * ocamllex may generate them, or some intermediate phase may also
 * generate them (like some functions in parsing_hacks.ml)
 *)
*/

%token <Ast_c.info> TUnknown /*(* unrecognized token *)*/

/*(* coupling: Token_helpers.is_real_comment *)*/
%token <Ast_c.info> TCommentSpace TCommentNewline   TComment

/*(*-----------------------------------------*)*/
/*(* the normal tokens *)*/
/*(*-----------------------------------------*)*/

%token <(string * (Ast_c.sign * Ast_c.base)) * Ast_c.info> TInt
%token <(string * Ast_c.floatType) * Ast_c.info> TFloat
%token <(string * Ast_c.isWchar) * Ast_c.info>   TChar
%token <(string * Ast_c.isWchar) * Ast_c.info>   TString
%token <(string * Ast_c.isWchar) * Ast_c.info>   TQuote
%token <Ast_c.info> TPct
%token <string * Ast_c.info> TFormat TSubString
%token <(string * string (*n*) * string (*p*)) * Ast_c.info> TDecimal

%token <string * Ast_c.info> TIdent
%token <string * Ast_c.info> TKRParam
%token <string * Ast_c.info> Tconstructorname /* parsing_hack for C++ */
/*(* appears mostly after some fix_xxx in parsing_hack *)*/
%token <string * Ast_c.info> TypedefIdent

/*
(* Some tokens like TOPar and TCPar are used as synchronisation stuff,
 * in parsing_hack.ml. So if define special tokens like TOParDefine and
 * TCParEOL, then take care to also modify in Token_helpers.
 *)
*/

%token <Ast_c.info> TOPar TCPar TOBrace TCBrace TOCro TCCro
%token <Ast_c.info> TDot TComma TPtrOp
%token <Ast_c.info> TInc TDec
%token <Ast_c.assignOp> TAssign
%token <Ast_c.info> TEq
%token <Ast_c.info> TWhy  TTilde TBang
%token <Ast_c.info> TEllipsis
%token <Ast_c.info> TDotDot

%token <Ast_c.info> TPtVirg
%token <Ast_c.info>
       TOrLog TAndLog TOr TXor TAnd  TEqEq TNotEq TInf TSup TInfEq TSupEq
       TShl TShr
       TPlus TMinus TMul TDiv TMod  TMax TMin

%token <Ast_c.info>
       Tchar Tshort Tint Tdouble Tfloat Tcomplex Tlong Tunsigned Tsigned
       Tvoid Tsize_t Tssize_t Tptrdiff_t
       Tauto Tregister Textern Tstatic
       Ttypedef
       Tconst Tvolatile
       Tstruct Tunion Tenum Tdecimal Texec
       Tbreak Telse Tswitch Tcase Tcontinue Tfor Tdo Tif  Twhile Treturn
       Tgoto Tdefault
       Tsizeof Tnew Tdelete Tdefined TOParCplusplusInit Tnamespace

/*(* C99 *)*/
%token <Ast_c.info>
       Trestrict

/*(*-----------------------------------------*)*/
/*(* gccext: extra tokens *)*/
/*(*-----------------------------------------*)*/
%token <Ast_c.info> Tasm
%token <Ast_c.info> Tattribute
%token <Ast_c.info> TattributeNoarg
%token <Ast_c.info> Tinline
%token <Ast_c.info> Ttypeof

/*(*-----------------------------------------*)*/
/*(* cppext: extra tokens *)*/
/*(*-----------------------------------------*)*/
/*(* coupling with Token_helpers.is_cpp_token *)*/


/*(*---------------*)*/
/*(* define        *)*/
/*(*---------------*)*/

%token <Ast_c.info> TDefine
%token <(string * Ast_c.info)> TDefParamVariadic

/*(* disappear after fix_tokens_define *)*/
%token <Ast_c.info> TCppEscapedNewline

%token <Ast_c.info> TCppConcatOp

/*(* appear    after fix_tokens_define *)*/
%token <Ast_c.info> TOParDefine
%token <Ast_c.info> TOBraceDefineInit

%token <(string * Ast_c.info)> TIdentDefine /*(* same *)*/
%token <Ast_c.info>            TDefEOL      /*(* same *)*/


/*(*---------------*)*/
/*(* include       *)*/
/*(*---------------*)*/


/*(* used only in lexer_c, then transformed in comment or split in tokens *)*/
%token <(string * string * bool ref * Ast_c.info)> TInclude

/*(* tokens coming from above, generated in parse_c from TInclude, etc *)*/
%token <(Ast_c.info * bool ref)> TIncludeStart
%token <(string * Ast_c.info)> TIncludeFilename


/*(*---------------*)*/
/*(* ifdef         *)*/
/*(*---------------*)*/

/*(* coupling: Token_helpers.is_cpp_instruction *)*/
%token <(Ast_c.ifdef_guard * (int * int) option ref * Ast_c.info)>
  TIfdef TIfdefelif
%token <((int * int) option ref * Ast_c.info)>
  TIfdefelse TEndif
%token <(bool * (int * int) option ref * Ast_c.info)>
  TIfdefBool TIfdefMisc TIfdefVersion

/* Note [Nasty Undisciplined Cpp]
 *
 * These tokens replace regular Cpp-ifdef tokens for nasty undisciplined
 * variability patterns.
 *
 * Note that these tokens do not have matching_tag.
 * (TU stands for Token-Undisciplined.)
 *
 * /Iago
 */
%token <Ast_c.info>
  TUifdef TUelseif TUendif

/*(*---------------*)*/
/*(* other         *)*/
/*(*---------------*)*/

%token <Ast_c.info> TUndef
%token <Ast_c.info*Ast_c.info*string*Ast_c.info*Ast_c.info*(string*Ast_c.info)list> TPrePragma
%token <Ast_c.info> TPragma
%token <string * Ast_c.info> TPragmaString

%token <Ast_c.info> TCppDirectiveOther

/*(*---------------*)*/
/*(* macro use     *)*/
/*(*---------------*)*/

/*(* appear  after fix_tokens_cpp, cf also parsing_hacks#hint *)*/

%token <(string * Ast_c.info)>            TMacroAttr
%token <(string * Ast_c.info)>            TMacroEndAttr
%token <(string * Ast_c.info)>            TMacroStmt
%token <(string * Ast_c.info)> TMacroIdentBuilder
/*(* no need value for the moment *)*/
%token <(string * Ast_c.info)>            TMacroString
%token <(string * Ast_c.info)> TMacroDecl
%token <Ast_c.info>            TMacroDeclConst

%token <(string * Ast_c.info)> TMacroIterator
/*(*
%token <(string * Ast_c.info)> TMacroTop
%token <(string * Ast_c.info)> TMacroStructDecl
*)*/

/*(*---------------*)*/
/*(* other         *)*/
/*(*---------------*)*/


/*(* should disappear after parsing_hack *)*/
%token <Ast_c.info> TCommentSkipTagStart TCommentSkipTagEnd


/*(* appear after parsing_hack *)*/
%token <Ast_c.info> TCParEOL

%token <Ast_c.info> TAction


/*(* TCommentMisc still useful ? obsolete ? *)*/
%token <Ast_c.info> TCommentMisc
%token <(Token_c.cppcommentkind * Ast_c.info)> TCommentCpp


/*(*-----------------------------------------*)*/
%token <Ast_c.info> EOF
%token <Ast_c.info> TTODO

/*(*-----------------------------------------*)*/

/*(* must be at the top so that it has the lowest priority *)*/
%nonassoc SHIFTHERE

%nonassoc Telse

%left TOrLog
%left TAndLog
%left TOr
%left TXor
%left TAnd
%left TEqEq TNotEq
%left TInf TSup TInfEq TSupEq
%left TShl TShr
%left TPlus TMinus
%left TMul TDiv TMod TMin TMax

/*(*************************************************************************)*/
/*(* Rules type declaration *)*/
/*(*************************************************************************)*/

%start main celem statement expr type_name
%type <Ast_c.program> main
%type <Ast_c.toplevel> celem

%type <Ast_c.statement> statement
%type <Ast_c.expression> expr
%type <Ast_c.fullType> type_name

%%
/*(*************************************************************************)*/
/*
(* TOC:
 * toplevel (obsolete)
 *
 * ident
 * expression
 * statement
 * types with
 *   - left part (type_spec, qualif),
 *   - right part (declarator, abstract declarator)
 *   - aux part (parameters)
 * declaration, storage, initializers
 * struct
 * enum
 * cpp directives
 * celem (=~ main)
 *
 * generic workarounds (obrace, cbrace for context setting)
 * xxx_list, xxx_opt
 *)
*/
/*(*************************************************************************)*/

/*(*************************************************************************)*/
/*(* toplevel *)*/
/*(*************************************************************************)*/
/*(* no more used; now that use error recovery *)*/

main:
 translation_unit EOF     { $1 }

translation_unit:
 |
     { [] }
 | translation_unit external_declaration
     { !LP._lexer_hint.context_stack <- [LP.InTopLevel]; $1 @ [$2] }
 | translation_unit Tnamespace TIdent TOBrace translation_unit TCBrace
     { !LP._lexer_hint.context_stack <- [LP.InTopLevel];
       $1 @ [Namespace ($5, [$2; snd $3; $4; $6])] }


/*(*************************************************************************)*/
/*(* ident *)*/
/*(*************************************************************************)*/

/*(* Why this ? Why not s/ident/TIdent ? cos there is multiple namespaces in C,
   * so a label can have the same name that a typedef, same for field and tags
   * hence sometimes the use of ident  instead of TIdent.
   *)*/
ident:
 | TIdent       { $1 }
 | TypedefIdent { $1 }
 | Tcomplex     { ("complex", $1) }


identifier:
 | TIdent       { $1 }
 | Tcomplex     { ("complex", $1) }

/*
(* cppext: string concatenation of idents
 * also cppext: gccext: ##args for variadic macro
 *)
*/
identifier_cpp:
 | TIdent
     { RegularName (mk_string_wrap $1) }
 | ident_extra_cpp { $1 }

ident_cpp:
 | TIdent
     { RegularName (mk_string_wrap $1) }
 | TypedefIdent
     { RegularName (mk_string_wrap $1) }
 | ident_extra_cpp { $1 }
 | Tcomplex     { RegularName (mk_string_wrap ("complex", $1)) }

ident_extra_cpp:
 | TIdent TCppConcatOp identifier_cpp_list
     {
       CppConcatenatedName (
         match $3 with
         | [] -> raise (Impossible 87)
         | (x,concatnull)::xs ->
             assert (concatnull = []);
             (mk_string_wrap $1, [])::(x,[$2])::xs
       )
   }
 | TCppConcatOp TIdent
     { CppVariadicName (fst $2, [$1; snd $2]) }
 | TMacroIdentBuilder TOPar param_define_list TCPar
     { CppIdentBuilder ((fst $1, [snd $1;$2;$4]), $3) }

identifier_cpp_list:
 | TIdent { [mk_string_wrap $1, []] }
 | identifier_cpp_list TCppConcatOp TIdent { $1 @ [mk_string_wrap $3, [$2]] }

/*(*************************************************************************)*/
/*(* expr *)*/
/*(*************************************************************************)*/

expr:
 | assign_expr             { $1 }
 | expr TComma assign_expr { mk_e (Sequence ($1,$3)) [$2] }

/*(* bugfix: in C grammar they put unary_expr, but in fact it must be
   * cast_expr, otherwise (int * ) xxx = &yy; is not allowed
   *)*/
assign_expr:
 | cond_expr                     { $1 }
 | cast_expr TAssign assign_expr { mk_e(Assignment ($1, $2, $3)) []}
 | cast_expr TEq     assign_expr { mk_e (Assignment ($1, (SimpleAssign, [$2]),$3)) []}

/*(* gccext: allow optional then part hence gcc_opt_expr
   * bugfix: in C grammar they put TDotDot cond_expr, but in fact it must be
   * assign_expr, otherwise   pnp ? x : x = 0x388  is not allowed
   *)*/
cond_expr:
 | arith_expr
     { $1 }
 | arith_expr TWhy gcc_opt_expr TDotDot assign_expr
     { mk_e (CondExpr ($1,$3,$5)) [$2;$4] }


arith_expr:
 | cast_expr                     { $1 }
 | arith_expr TMul    arith_expr { mk_e(Binary ($1, (Arith Mul,[$2]), $3)) [] }
 | arith_expr TDiv    arith_expr { mk_e(Binary ($1, (Arith Div, [$2]), $3)) [] }
 | arith_expr TMin    arith_expr { mk_e(Binary ($1, (Arith Min, [$2]), $3)) [] }
 | arith_expr TMax    arith_expr { mk_e(Binary ($1, (Arith Max, [$2]), $3)) [] }
 | arith_expr TMod    arith_expr { mk_e(Binary ($1, (Arith Mod, [$2]), $3)) [] }
 | arith_expr TPlus   arith_expr { mk_e(Binary ($1, (Arith Plus, [$2]), $3)) [] }
 | arith_expr TMinus  arith_expr { mk_e(Binary ($1, (Arith Minus, [$2]), $3)) [] }
 | arith_expr TShl    arith_expr { mk_e(Binary ($1, (Arith DecLeft, [$2]), $3)) [] }
 | arith_expr TShr    arith_expr { mk_e(Binary ($1, (Arith DecRight, [$2]), $3)) [] }
 | arith_expr TInf    arith_expr { mk_e(Binary ($1, (Logical Inf, [$2]), $3)) [] }
 | arith_expr TSup    arith_expr { mk_e(Binary ($1, (Logical Sup, [$2]), $3)) [] }
 | arith_expr TInfEq  arith_expr { mk_e(Binary ($1, (Logical InfEq, [$2]), $3)) [] }
 | arith_expr TSupEq  arith_expr { mk_e(Binary ($1, (Logical SupEq, [$2]), $3)) [] }
 | arith_expr TEqEq   arith_expr { mk_e(Binary ($1, (Logical Eq, [$2]), $3)) [] }
 | arith_expr TNotEq  arith_expr { mk_e(Binary ($1, (Logical NotEq, [$2]), $3)) [] }
 | arith_expr TAnd    arith_expr { mk_e(Binary ($1, (Arith And, [$2]), $3)) [] }
 | arith_expr TOr     arith_expr { mk_e(Binary ($1, (Arith Or, [$2]), $3)) [] }
 | arith_expr TXor    arith_expr { mk_e(Binary ($1, (Arith Xor, [$2]), $3)) [] }
 | arith_expr TAndLog arith_expr { mk_e(Binary ($1, (Logical AndLog, [$2]), $3)) [] }
 | arith_expr TOrLog  arith_expr { mk_e(Binary ($1, (Logical OrLog, [$2]), $3)) [] }

cast_expr:
 | unary_expr                        { $1 }
 | topar2 type_name tcpar2 cast_expr { mk_e(Cast ($2, $4)) [$1;$3] }
/*
It could be useful to have the following, but there is no place for the
attribute in the AST.
 | topar2 attributes type_name tcpar2 cast_expr { failwith "bad" }
*/

unary_expr:
 | postfix_expr                    { $1 }
 | TInc unary_expr                 { mk_e(Infix ($2, Inc))    [$1] }
 | TDec unary_expr                 { mk_e(Infix ($2, Dec))    [$1] }
 | unary_op cast_expr              { mk_e(Unary ($2, fst $1)) [snd $1] }
 | Tsizeof unary_expr              { mk_e(SizeOfExpr ($2))    [$1] }
 | Tsizeof topar2 type_name tcpar2 { mk_e(SizeOfType ($3))    [$1;$2;$4] }
 | Tnew new_argument               { mk_e(New (None, $2))     [$1] }
 | Tnew TOPar argument_list_ne TCPar new_argument { mk_e(New (Some $3, $5))             [$1; $2; $4] }
 | Tdelete cast_expr               { mk_e(Delete(false, $2))  [$1] }
 | Tdelete TOCro TCCro cast_expr   { mk_e(Delete(true, $4))   [$1;$2;$3] }
 | Tdefined identifier_cpp         { mk_e(Defined $2)         [$1] }
 | Tdefined TOPar identifier_cpp TCPar
 { mk_e(Defined $3) [$1;$2;$4] }

new_argument:
 | TIdent TOPar argument_list_ne TCPar
     { let fn = mk_e(Ident (RegularName (mk_string_wrap $1))) [] in
       Left (mk_e(FunCall (fn, $3)) [$2;$4]) }
 | TIdent TOPar TCPar
     { let fn = mk_e(Ident (RegularName (mk_string_wrap $1))) [] in
       Left(mk_e(FunCall (fn, [])) [$2;$3]) }
 | TypedefIdent TOPar argument_list_ne TCPar
     { let fn = mk_e(Ident (RegularName (mk_string_wrap $1))) [] in
       Left (mk_e(FunCall (fn, $3)) [$2;$4]) }
 | TypedefIdent TOPar TCPar
     { let fn = mk_e(Ident (RegularName (mk_string_wrap $1))) [] in
       Left (mk_e(FunCall (fn, [])) [$2;$3]) }
 | type_spec
     { let ty = addTypeD ($1,nullDecl) in
       let ((returnType,hasreg), iihasreg) = fixDeclSpecForParam ty in
       Right (ArgType { p_namei = None; p_type = returnType;
			p_register = hasreg, iihasreg;
		      } )
     }
 | new_argument TOCro expr TCCro
     {
       match $1 with
	 Left(e) -> Left(mk_e(ArrayAccess (e, $3)) [$2;$4])
       | Right(ArgType(ty)) -> (* lots of hacks to make the right type *)
	   let fty = mk_ty (Array (Some $3, ty.Ast_c.p_type)) [$2;$4] in
	   let pty = { ty with p_type = fty } in
	   Right(ArgType pty)
       | _ -> raise (Impossible 88)
     }

unary_op:
 | TAnd   { GetRef,     $1 }
 | TMul   { DeRef,      $1 }
 | TPlus  { UnPlus,     $1 }
 | TMinus { UnMinus,    $1 }
 | TTilde { Tilde,      $1 }
 | TBang  { Not,        $1 }
 /*(* gccext: have that a lot in old kernel to get address of local label.
    * cf gcc manual "local labels as values".
    *)*/
 | TAndLog { GetRefLabel, $1 }

postfix_expr:
 | primary_expr               { $1 }
 | postfix_expr TOCro expr TCCro
     { mk_e(ArrayAccess ($1, $3)) [$2;$4] }
 | postfix_expr TOPar argument_list_ne TCPar
     { mk_e(FunCall ($1, $3)) [$2;$4] }
 | postfix_expr TOPar  TCPar  { mk_e(FunCall ($1, [])) [$2;$3] }
 | postfix_expr TDot   ident_cpp { mk_e(RecordAccess   ($1,$3)) [$2] }
 | postfix_expr TPtrOp ident_cpp { mk_e(RecordPtAccess ($1,$3)) [$2] }
 | postfix_expr TInc          { mk_e(Postfix ($1, Inc)) [$2] }
 | postfix_expr TDec          { mk_e(Postfix ($1, Dec)) [$2] }

 /*(* gccext: also called compound literals *)*/
 | topar2 type_name tcpar2 TOBrace TCBrace
     { mk_e(Constructor ($2, (InitList [], [$4;$5]))) [$1;$3] }
 | topar2 type_name tcpar2 TOBrace initialize_list gcc_comma_opt_struct TCBrace
     { mk_e(Constructor ($2, (InitList (List.rev $5),[$4;$7] @ $6))) [$1;$3] }


primary_expr:
 | identifier_cpp  { mk_e(Ident  ($1)) [] }
 | TInt
    { let (str,(sign,base)) = fst $1 in
      mk_e(Constant (Int (str,Si(sign,base)))) [snd $1] }
 | TFloat  { mk_e(Constant (Float  (fst $1))) [snd $1] }
 | TString { mk_e(Constant (String (fst $1))) [snd $1] }
 | TQuote string_fragments TQuote
     { let ((fullstring,isW),lqinfo) = $1 in
       let (_,rqinfo) = $3 in
       mk_e (Ast_c.StringConstant($2, fullstring, isW)) [lqinfo;rqinfo] }
 | TChar   { mk_e(Constant (Char   (fst $1))) [snd $1] }
 | TDecimal { let (a,b,c) = fst $1 in
              mk_e(Constant (DecimalConst (a,b,c))) [snd $1] }
 | TOPar expr TCPar { mk_e(ParenExpr ($2)) [$1;$3] }  /*(* forunparser: *)*/

 /*(* gccext: cppext: TODO better ast ? *)*/
 | TMacroString { mk_e(Constant (MultiString [fst $1])) [snd $1] }
 | string_elem string_list
     { mk_e(Constant (MultiString ["TODO: MultiString"])) ($1 @ $2) }

 /*(* gccext: allow statement as expressions via ({ statement }) *)*/
 | TOPar compound TCPar  { mk_e(StatementExpr ($2)) [$1;$3] }

string_fragments:
 | /* empty */ { [] }
 | string_fragment string_fragments { $1 :: $2 }

string_fragment:
 | TPct string_format { Ast_c.FormatFragment($2), [$1] }
 | TSubString { Ast_c.ConstantFragment(fst $1), [snd $1] }

string_format:
 | TFormat { Ast_c.ConstantFormat(fst $1), [snd $1] }

/*(*----------------------------*)*/
/*(* cppext: *)*/
/*(*----------------------------*)*/

/*(* cppext: *)*/
/*(* to avoid conflicts have to introduce a _not_empty (ne) version *)*/
argument_ne:
 | assign_expr { Left $1 }
 | parameter_decl { Right (ArgType $1)  }
 | action_higherordermacro_ne { Right (ArgAction $1) }


argument:
 | assign_expr { Left $1 }
 | parameter_decl { Right (ArgType $1)  }
 /*(* had conflicts before, but julia fixed them *)*/
 | action_higherordermacro { Right (ArgAction $1) }

action_higherordermacro_ne:
 | taction_list_ne
     { if $1=[]
       then ActMisc [Ast_c.fakeInfo()]
       else ActMisc $1
     }


action_higherordermacro:
 | taction_list
     { if $1=[]
       then ActMisc [Ast_c.fakeInfo()]
       else ActMisc $1
     }


/*(*----------------------------*)*/
/*(* workarounds *)*/
/*(*----------------------------*)*/

/*(* would like evalInt $1 but require too much info *)*/
const_expr: cond_expr { $1  }


topar2: TOPar { et "topar2" (); $1  }
tcpar2: TCPar { et "tcpar2" (); $1 (*TODO? et ? sure ? c pas dt plutot ? *) }



/*(*************************************************************************)*/
/*(* statement *)*/
/*(*************************************************************************)*/

statement: statement2 { mk_st (fst $1) (snd $1) }

statement2:
 | labeled         { Labeled      (fst $1), snd $1 }
 | compound        { Compound     (fst $1), snd $1 }
 | expr_statement  { ExprStatement(fst $1), snd $1 }
 | selection       { Selection    (fst $1), snd $1 @ [postfakeInfo(snd $1)] }
 | iteration       { Iteration    (fst $1), snd $1 @ [postfakeInfo(snd $1)] }
 | jump TPtVirg    { Jump         (fst $1), snd $1 @ [$2] }

 /*(* gccext: *)*/
 | Tasm TOPar asmbody TCPar TPtVirg             { Asm $3, [$1;$2;$4;$5] }
 | Tasm Tvolatile TOPar asmbody TCPar TPtVirg   { Asm $4, [$1;$2;$3;$5;$6] }

 /*(* cppext: *)*/
 | TMacroStmt { MacroStmt, [snd $1] }

 | Texec identifier exec_list TPtVirg { Exec($3), [$1;snd $2;$4] }


/*(* note that case 1: case 2: i++;    would be correctly parsed, but with
   * a Case  (1, (Case (2, i++)))  :(
   *)*/
labeled:
 | ident_cpp        TDotDot sw_stat_or_decl   { Label ($1, $3),  [$2] }
 | Tcase const_expr TDotDot sw_stat_or_decl   { Case ($2, $4),       [$1; $3] }
 | Tcase const_expr TEllipsis const_expr TDotDot sw_stat_or_decl
     { CaseRange ($2, $4, $6), [$1;$3;$5] } /*(* gccext: allow range *)*/
 | Tdefault    TDotDot sw_stat_or_decl   { Default $3,             [$1; $2] }

sw_stat_or_decl:
 | decl      { mk_st (Decl ($1 Ast_c.LocalDecl)) Ast_c.noii }
 | statement { $1 }


end_labeled:
 /*(* gccext:  allow toto: }
    * was generating each 30 shift/Reduce conflicts,
    * mais ca va, ca fait ce qu'il faut.
    * update: julia fixed the problem by introducing end_labeled
    * and modifying below stat_or_decl_list
    *)*/
 | ident_cpp            TDotDot
     { Label ($1, (mk_st (ExprStatement None) Ast_c.noii)), [$2] }
 | Tcase const_expr TDotDot
     { Case ($2, (mk_st (ExprStatement None) Ast_c.noii)), [$1;$3] }
 | Tdefault         TDotDot
     { Default (mk_st (ExprStatement None) Ast_c.noii),    [$1; $2] }





compound: tobrace compound2 tcbrace { $2, [$1; $3]  }


/*
(* cppext: because of cpp, some stuff looks like declaration but are in
 * fact statement but too hard to figure out, and if parse them as
 * expression, then we force to have first decls and then exprs, then
 * will have a parse error. So easier to let mix decl/statement.
 * Moreover it helps to not make such a difference between decl and
 * statement for further coccinelle phases to factorize code.
*)*/
compound2:
 |                   { ([]) }
 | stat_or_decl_list { $1 }


stat_or_decl_list:
 | stat_or_decl                   { [$1] }
 /*(* gccext: to avoid conflicts, cf end_labeled above *)*/
 | end_labeled  { [StmtElem (mk_st (Labeled  (fst $1)) (snd $1))] }
 /*(* old: conflicts | stat_or_decl_list stat_or_decl { $1 @ [$2] } *)*/
 | stat_or_decl stat_or_decl_list { $1 :: $2 }

stat_or_decl:
 | decl      { StmtElem (mk_st (Decl ($1 Ast_c.LocalDecl)) Ast_c.noii) }
 | statement { StmtElem $1 }

  /*(* gccext: *)*/
 | function_definition { StmtElem (mk_st (NestedFunc $1) Ast_c.noii) }

 /* (* cppext: *)*/
 | cpp_directive
     { CppDirectiveStmt $1 }
 | cpp_ifdef_directive/*(* stat_or_decl_list ...*)*/
     { IfdefStmt $1 }


expr_statement:
 | TPtVirg      { None,    [$1] }
 | expr TPtVirg { Some $1, [$2] }

selection:
 | Tif TOPar expr TCPar cpp_ifdef_statement              %prec SHIFTHERE
     { If ($3, $5, (mk_st (ExprStatement None) Ast_c.noii)),   [$1;$2;$4] }
 | Tif TOPar expr TCPar cpp_ifdef_statement Telse cpp_ifdef_statement
     { If ($3, $5, $7),  [$1;$2;$4;$6] }
 | Tswitch TOPar expr TCPar statement
     { Switch ($3,$5),   [$1;$2;$4]  }
 /* [Nasty Undisciplined Cpp] #ifdef A if e S1 else #endif S2 */
 | TUifdef Tif TOPar expr TCPar statement Telse TUendif statement
     { Ifdef_Ite ($4,$6,$9), [$1;$2;$3;$5;$7;$8] }
 /* [Nasty Undisciplined Cpp] #ifdef A if e S1 else #else S2 #endif S3 */
 | TUifdef Tif TOPar expr TCPar statement Telse TUelseif statement TUendif statement
     { Ifdef_Ite2 ($4,$6,$9,$11), [$1;$2;$3;$5;$7;$8;$10] }

iteration:
 | Twhile TOPar expr TCPar cpp_ifdef_statement
     { While ($3,$5),                [$1;$2;$4] }
 | Tdo statement Twhile TOPar expr TCPar TPtVirg
     { DoWhile ($2,$5),              [$1;$3;$4;$6;$7] }
 | Tfor TOPar expr_statement expr_statement TCPar cpp_ifdef_statement
     { For (ForExp $3,$4,(None, []),$6),    [$1;$2;$5]}
 | Tfor TOPar expr_statement expr_statement expr TCPar cpp_ifdef_statement
     { For (ForExp $3,$4,(Some $5, []),$7), [$1;$2;$6] }
 /*(* C++ext: for(int i = 0; i < n; i++)*)*/
 | Tfor TOPar decl expr_statement TCPar cpp_ifdef_statement
     { For (ForDecl ($3 Ast_c.LocalDecl),$4,(None, []),$6),    [$1;$2;$5]}
 | Tfor TOPar decl expr_statement expr TCPar cpp_ifdef_statement
     { For (ForDecl ($3 Ast_c.LocalDecl),$4,(Some $5, []),$7), [$1;$2;$6] }
 /*(* cppext: *)*/
 | TMacroIterator TOPar argument_list_ne TCPar cpp_ifdef_statement
     { MacroIteration (fst $1, $3, $5), [snd $1;$2;$4] }
 | TMacroIterator TOPar TCPar cpp_ifdef_statement
     { MacroIteration (fst $1, [], $4), [snd $1;$2;$3] }

/*(* the ';' in the caller grammar rule will be appended to the infos *)*/
jump:
 | Tgoto ident_cpp  { Goto ($2),  [$1] }
 | Tcontinue    { Continue,       [$1] }
 | Tbreak       { Break,          [$1] }
 | Treturn      { Return,         [$1] }
 | Treturn expr { ReturnExpr $2,  [$1] }
 | Tgoto TMul expr { GotoComputed $3, [$1;$2] }



/*(*----------------------------*)*/
/*(* gccext: *)*/
/*(*----------------------------*)*/
string_elem:
 | TString { [snd $1] }
 /*(* cppext:  ex= printk (KERN_INFO "xxx" UTS_RELEASE)  *)*/
 | TMacroString { [snd $1] }


asmbody:
 | string_list colon_asm_list  { $1, $2 }
 | string_list { $1, [] } /*(* in old kernel *)*/


colon_asm: TDotDot colon_option_list { Colon $2, [$1]   }

colon_option:
 | TString                      { ColonMisc, [snd $1] }
 | TString TOPar asm_expr TCPar { ColonExpr $3, [snd $1; $2;$4] }
 /*(* cppext: certainly a macro *)*/
 | TOCro identifier TCCro TString TOPar asm_expr TCPar
     { ColonExpr $6, [$1;snd $2;$3;snd $4; $5; $7 ] }
 | identifier                       { ColonMisc, [snd $1] }
 | /*(* empty *)*/                  { ColonMisc, [] }

// IBM C only
exec_list:
    /* empty */ { [] }
  | TDotDot identifier_cpp exec_ident exec_list
      { (ExecEval ($3 (mk_e (Ident $2) [])), [$1]) :: $4 }
  | TIdent exec_ident2 exec_list
      { (ExecToken, [snd $1]) :: $2 @ $3 }
  | token exec_list { (ExecToken, [$1]) :: $2 }

exec_ident:
    { function prev -> prev }
 | TDot   TIdent exec_ident
     { function prev ->
       let fld = RegularName (mk_string_wrap $2) in
       $3 (mk_e(RecordAccess   (prev,fld)) [$1]) }
 | TPtrOp TIdent exec_ident
     { function prev ->
       let fld = RegularName (mk_string_wrap $2) in
       $3 (mk_e(RecordPtAccess   (prev,fld)) [$1]) }
 | TOCro expr TCCro exec_ident
     { function prev ->
       $4 (mk_e(ArrayAccess   (prev,$2)) [$1;$3]) }

exec_ident2:
    { [] }
 | TDot   TIdent exec_ident2
    { (ExecToken, [$1]) :: (ExecToken, [snd $2]) :: $3 }

asm_expr: assign_expr { $1 }

token:
    TPlus   { $1 }
  | TMinus  { $1 }
  | TMul    { $1 }
  | TDiv    { $1 }
  | TMod    { $1 }
  | TMin    { $1 }
  | TMax    { $1 }
  | TInc    { $1 }
  | TDec    { $1 }
  | TEq     { $1 }
  | TAssign { List.hd (snd $1) }

  | TEqEq   { $1 }
  | TNotEq  { $1 }
  | TSupEq  { $1 }
  | TInfEq  { $1 }
  | TSup    { $1 }
  | TInf    { $1 }

  | TAndLog { $1 }
  | TOrLog  { $1 }
  | TShr    { $1 }
  | TShl    { $1 }
  | TAnd    { $1 }
  | TOr     { $1 }
  | TXor    { $1 }

  | TOBrace { $1 }
  | TCBrace { $1 }
/*  | TOCro   { $1 }
  | TCCro   { $1 }*/
  | TOPar   { $1 }
  | TCPar   { $1 }

/*| TPtrOp  { $1 }
  | TDot    { $1 }*/
  | TWhy    { $1 }
  | TBang   { $1 }
  | TComma  { $1 }
/*  | TIdent  { snd $1 }*/
  | TypedefIdent { snd $1 }

  | Tif     { $1 }
  | Telse   { $1 }
  | TInt    { snd $1 }
  | TFloat  { snd $1 }
  | TString { snd $1 }
  | TChar   { snd $1 } /* other constants needed? */

/*(*************************************************************************)*/
/*(* types *)*/
/*(*************************************************************************)*/


/*(*-----------------------------------------------------------------------*)*/
/*(* Type spec, left part of a type *)*/
/*(*-----------------------------------------------------------------------*)*/
type_spec2:
 | Tvoid                { Right3 (BaseType Void),            [$1] }
 | Tchar                { Right3 (BaseType (IntType CChar)), [$1]}
 | Tint                 { Right3 (BaseType (IntType (Si (Signed,CInt)))), [$1]}
 | Tfloat               { Right3 (BaseType (FloatType CFloat)),  [$1]}
 | Tdouble              { Right3 (BaseType (FloatType CDouble)), [$1] }
 | Tfloat Tcomplex      { Right3 (BaseType (FloatType CFloatComplex)),  [$1;$2]}
 | Tdouble Tcomplex     { Right3 (BaseType (FloatType CDoubleComplex)), [$1;$2] }
 | Tsize_t              { Right3 (BaseType SizeType),            [$1] }
 | Tssize_t             { Right3 (BaseType SSizeType),           [$1] }
 | Tptrdiff_t           { Right3 (BaseType PtrDiffType),         [$1] }
 | Tshort               { Middle3 Short,  [$1]}
 | Tlong                { Middle3 Long,   [$1]}
 | Tsigned              { Left3 Signed,   [$1]}
 | Tunsigned            { Left3 UnSigned, [$1]}
 | struct_or_union_spec { Right3 (fst $1), snd $1 }
 | enum_spec            { Right3 (fst $1), snd $1 }
 | Tdecimal TOPar const_expr TComma const_expr TCPar
     { Right3 (Decimal($3,Some $5)), [$1;$2;$4;$6] }
 | Tdecimal TOPar const_expr TCPar
     { Right3 (Decimal($3,None)), [$1;$2;$4] }

 /*
 (* parse_typedef_fix1: can't put: TIdent {} cos it make the grammar
  * ambiguous, generates lots of conflicts => we must
  * use some tricks: we make the lexer and parser cooperate, cf lexerParser.ml.
  *
  * parse_typedef_fix2: this is not enough, and you must use
  * parse_typedef_fix2 to fully manage typedef problems in grammar.
  *
  * parse_typedef_fix3:
  *
  * parse_typedef_fix4: try also to do now some consistency checking in
  * Parse_c
  *)*/
 | TypedefIdent
     { let name = RegularName (mk_string_wrap $1) in
       Right3 (TypeName (name, Ast_c.noTypedefDef())),[] }

 | Ttypeof TOPar assign_expr TCPar { Right3 (TypeOfExpr ($3)), [$1;$2;$4] }
 | Ttypeof TOPar type_name   TCPar { Right3 (TypeOfType ($3)), [$1;$2;$4] }

/*(*----------------------------*)*/
/*(* workarounds *)*/
/*(*----------------------------*)*/

type_spec: type_spec2    { dt "type" (); $1   }

/*(*-----------------------------------------------------------------------*)*/
/*(* Qualifiers *)*/
/*(*-----------------------------------------------------------------------*)*/

type_qualif:
 | Tconst    { {const=true  ; volatile=false}, $1 }
 | Tvolatile { {const=false ; volatile=true},  $1 }
 /*(* C99 *)*/
 | Trestrict { (* TODO *) {const=false ; volatile=false},  $1 }


/*(*-----------------------------------------------------------------------*)*/
/*(* gccext: attributes  *)*/
/*(*-----------------------------------------------------------------------*)*/

attribute:
 | Tattribute TOPar /*stuff*/ TCPar { raise Todo }
 /*(* cppext: *)*/
 | TMacroAttr { Attribute (fst $1), [snd $1] }

/*(*-----------------------------------------------------------------------*)*/
/*(* Declarator, right part of a type + second part of decl (the ident)  *)*/
/*(*-----------------------------------------------------------------------*)*/

/*
(* declarator return a couple:
 *  (name, partial type (a function to be applied to return type))
 *
 * when int* f(int) we must return Func(Pointer int,int) and not
 * Pointer (Func(int,int)
 *)*/

declarator:
 | pointer direct_d { let (attr,ptr) = $1 in
                      (attr, (fst $2, fun x -> x +> ptr +> (snd $2))) }
 | direct_d         { (Ast_c.noattr, $1)  }

/*(* so must do  int * const p; if the pointer is constant, not the pointee *)*/
pointer:
 | tmul                   { (Ast_c.noattr,fun x -> mk_ty (Pointer x) [$1]) }
 | tmul pointer
     { let (attr,ptr) = $2 in
       (attr,fun x -> mk_ty (Pointer (ptr x)) [$1]) }
 | tmul type_qualif_list
     { let (attr,tq) = $2 in
       (attr,fun x -> (tq.qualifD, mk_tybis (Pointer x) [$1]))}
 | tmul type_qualif_list pointer
     { let (attr1,tq) = $2 in
       let (attr2,ptr) = $3 in
       (attr1@attr2,fun x -> (tq.qualifD, mk_tybis (Pointer (ptr x)) [$1])) }

tmul:
   TMul { $1 }
 | TAnd
     { if !Flag.c_plus_plus
     then $1
     else
       let i = Ast_c.parse_info_of_info $1 in
       raise (Semantic("& not allowed in C types, try -c++ option", i)) }


direct_d:
 | identifier_cpp
     { ($1, fun x -> x) }
 | TOPar declarator TCPar      /*(* forunparser: old: $2 *)*/
     { let (attr,dec) = $2 in  (* attr gets ignored... *)
       (fst dec, fun x -> mk_ty (ParenType ((snd dec) x)) [$1;$3]) }
 | direct_d tocro            tccro
     { (fst $1,fun x->(snd $1) (mk_ty (Array (None,x)) [$2;$3])) }
 | direct_d tocro const_expr tccro
     { (fst $1,fun x->(snd $1) (mk_ty (Array (Some $3,x)) [$2;$4])) }
 | direct_d topar            tcpar
     { (fst $1,
       fun x->(snd $1)
         (mk_ty (FunctionType (x,(([],(false, []))))) [$2;$3]))
     }
 | direct_d topar parameter_type_list tcpar
     { (fst $1,fun x->(snd $1)
       (mk_ty (FunctionType (x, $3)) [$2;$4]))
     }


/*(*----------------------------*)*/
/*(* workarounds *)*/
/*(*----------------------------*)*/

tocro: TOCro { et "tocro" ();$1 }
tccro: TCCro { dt "tccro" ();$1 }

/*(*-----------------------------------------------------------------------*)*/
abstract_declarator:
 | pointer                            { snd $1 }
 |         direct_abstract_declarator { $1 }
 | pointer direct_abstract_declarator { fun x -> x +> $2 +> (snd $1) }

direct_abstract_declarator:
 | TOPar abstract_declarator TCPar /*(* forunparser: old: $2 *)*/
     { fun x -> mk_ty (ParenType ($2 x)) [$1;$3] }

 | TOCro            TCCro
     { fun x -> mk_ty (Array (None, x)) [$1;$2] }
 | TOCro const_expr TCCro
     { fun x -> mk_ty (Array (Some $2, x)) [$1;$3] }
 | direct_abstract_declarator TOCro            TCCro
     { fun x -> $1 (mk_ty (Array (None, x))  [$2;$3]) }
 | direct_abstract_declarator TOCro const_expr TCCro
     { fun x -> $1 (mk_ty (Array (Some $3,x))  [$2;$4]) }
 | TOPar TCPar
     { fun x -> mk_ty (FunctionType (x, ([], (false,  [])))) [$1;$2] }
 | topar parameter_type_list tcpar
     { fun x -> mk_ty (FunctionType (x, $2))  [$1;$3] }
/*(* subtle: here must also use topar, not TOPar, otherwise if have for
   * instance   (xxx ( * )(xxx)) cast, then the second xxx may still be a Tident
   * but we want to reduce topar, to set the InParameter so that
   * parsing_hack can get a chance to change the type of xxx into a typedef.
   * That's an example where parsing_hack and the lookahead of ocamlyacc does
   * not go very well together ... we got the info too late. We got
   * a similar pb with xxx xxx; declaration, cf parsing_hack.ml and the
   * "disable typedef cos special case ..." message.
*)*/
 | direct_abstract_declarator topar tcpar
     { fun x -> $1 (mk_ty (FunctionType (x, (([], (false, []))))) [$2;$3]) }
 | direct_abstract_declarator topar parameter_type_list tcpar
     { fun x -> $1 (mk_ty (FunctionType (x, $3)) [$2;$4]) }

/*(*-----------------------------------------------------------------------*)*/
/*(* Parameters (use decl_spec not type_spec just for 'register') *)*/
/*(*-----------------------------------------------------------------------*)*/
parameter_type_list:
 | parameter_list                  { ($1, (false, []))}
 | parameter_list TComma TEllipsis { ($1, (true,  [$2;$3])) }


parameter_decl2:
   TKRParam {
     let name = RegularName (mk_string_wrap $1) in
     LP.add_ident (str_of_name name);
     { p_namei = Some name;
       p_type = mk_ty NoType [];
       p_register = (false, []);
     }
   }
 | decl_spec declaratorp
     { LP.kr_impossible();
       let ((returnType,hasreg),iihasreg) = fixDeclSpecForParam (snd $1) in
       let (name, ftyp) = $2 in
       { p_namei = Some (name);
         p_type = ftyp returnType;
         p_register = (hasreg, iihasreg);
       }
     }
 | decl_spec abstract_declaratorp
     { LP.kr_impossible();
       let ((returnType,hasreg), iihasreg) = fixDeclSpecForParam (snd $1) in
       { p_namei = None;
         p_type = $2 returnType;
         p_register = hasreg, iihasreg;
       }
     }
 | decl_spec
     { LP.kr_impossible();
       let ((returnType,hasreg), iihasreg) = fixDeclSpecForParam (snd $1) in
       { p_namei = None;
         p_type = returnType;
         p_register = hasreg, iihasreg;
       }
     }


/*(*----------------------------*)*/
/*(* workarounds *)*/
/*(*----------------------------*)*/

parameter_decl: parameter_decl2 { et "param" ();  $1 }

declaratorp:
 | declarator  { let (attr,dec) = $1 in (* attr gets ignored *)
                 LP.add_ident (str_of_name (fst dec)); dec }
 /*(* gccext: *)*/
 | declarator attributes
               { let (attr,dec) = $1 in (* attr gets ignored *)
                 LP.add_ident (str_of_name (fst dec)); dec }

abstract_declaratorp:
 | abstract_declarator { $1 }
 /*(* gccext: *)*/

/*(*-----------------------------------------------------------------------*)*/
/*(* helper type rules *)*/
/*(*-----------------------------------------------------------------------*)*/

/*(* for struct and also typename *)*/
/*(* can't put decl_spec cos no storage is allowed for field struct *)*/
spec_qualif_list2:
 | type_spec                    { addTypeD ($1, nullDecl) }
 | type_qualif                  { {nullDecl with qualifD = (fst $1,[snd $1])}}
 | type_spec   spec_qualif_list { addTypeD ($1,$2)   }
 | type_qualif spec_qualif_list { addQualifD ($1,$2) }

spec_qualif_list: spec_qualif_list2            {  dt "spec_qualif" (); $1 }


/*(* for pointers in direct_declarator and abstract_declarator *)*/
type_qualif_list:
 | type_qualif { (Ast_c.noattr,{nullDecl with qualifD = (fst $1,[snd $1])}) }
 | attribute                    { ([$1],nullDecl) }
 | type_qualif_list type_qualif { (fst $1,addQualifD ($2,snd $1)) }
 | type_qualif_list attribute   { ((fst $1)@[$2],snd $1) }

/*(*-----------------------------------------------------------------------*)*/
/*(* xxx_type_id *)*/
/*(*-----------------------------------------------------------------------*)*/

type_name:
 | spec_qualif_list
     { let (returnType, _) = fixDeclSpecForDecl $1 in  returnType }
 | spec_qualif_list abstract_declaratort
     { let (returnType, _) = fixDeclSpecForDecl $1 in $2 returnType }



abstract_declaratort:
 | abstract_declarator { $1 }
 /*(* gccext: *)*/


/*(*************************************************************************)*/
/*(* declaration and initializers *)*/
/*(*************************************************************************)*/

decl2:
 | decl_spec TPtVirg
     { function local ->
       let (returnType,storage) = fixDeclSpecForDecl (snd $1) in
       let iistart = Ast_c.fakeInfo () in
       DeclList ([{v_namei = None; v_type = returnType;
                   v_storage = unwrap storage; v_local = local;
                   v_attr = fst $1; v_endattr = Ast_c.noattr;
                   v_type_bis = ref None;
                },[]],
                ($2::iistart::snd storage))
     }
 | decl_spec init_declarator_list TPtVirg
     { function local ->
       let (returnType,storage) = fixDeclSpecForDecl (snd $1) in
       let iistart = Ast_c.fakeInfo () in
       DeclList (
         ($2 +> List.map (fun ((((name,f),attrs,endattrs), ini), iivirg) ->
           let s = str_of_name name in
	   if fst (unwrap storage) = StoTypedef
	   then LP.add_typedef s;
           {v_namei = Some (name, ini);
            v_type = f returnType;
            v_storage = unwrap storage;
            v_local = local;
            v_attr = (fst $1)@attrs;
            v_endattr = endattrs;
            v_type_bis = ref None;
           },
           iivirg
         )
         ),  ($3::iistart::snd storage))
     }
 /*(* cppext: *)*/

 | storage_const_opt TMacroDecl TOPar argument_list TCPar TPtVirg
     { function _ ->
       match $1 with
	 Some (sto,stoii) ->
	   MacroDecl
	     ((sto, fst $2, $4, true), (snd $2::$3::$5::$6::fakeInfo()::stoii))
       | None ->
	   MacroDecl
	     ((NoSto, fst $2, $4, true), [snd $2;$3;$5;$6;fakeInfo()]) }

 | storage_const_opt
     TMacroDecl TOPar argument_list TCPar teq initialize TPtVirg
     { function _ ->
       match $1 with
	 Some (sto,stoii) ->
	   MacroDeclInit
	     ((sto, fst $2, $4, $7),
	      (snd $2::$3::$5::$6::$8::fakeInfo()::stoii))
       | None ->
	   MacroDeclInit
	     ((NoSto, fst $2, $4, $7), [snd $2;$3;$5;$6;$8;fakeInfo()]) }

storage_const_opt:
   storage_class_spec_nt TMacroDeclConst { Some (fst $1,[snd $1; $2]) }
 | storage_class_spec_nt { Some (fst $1,[snd $1]) }
 |                       { None }

/*(*-----------------------------------------------------------------------*)*/
decl_spec2:
 | storage_class_spec { ([], {nullDecl with storageD = (fst $1, [snd $1]) }) }
 | type_spec          { ([], addTypeD ($1,nullDecl)) }
 | type_qualif        { ([], {nullDecl with qualifD  = (fst $1, [snd $1]) }) }
 | Tinline            { ([], {nullDecl with inlineD = (true, [$1]) }) }
 | attribute          { ([$1], nullDecl) }
 | storage_class_spec decl_spec2 { (fst $2, addStorageD ($1, snd $2)) }
 | type_spec          decl_spec2 { (fst $2, addTypeD    ($1, snd $2)) }
 | type_qualif        decl_spec2 { (fst $2, addQualifD  ($1, snd $2)) }
 | Tinline            decl_spec2 { (fst $2, addInlineD ((true, $1), snd $2)) }
 | attribute          decl_spec2 { ($1::(fst $2), snd $2) }

/*(* can simplify by putting all in _opt ? must have at least one otherwise
   *  decl_list is ambiguous ? (no cos have ';' between decl)
   *)*/


storage_class_spec_nt:
 | Tstatic      { Sto Static,  $1 }
 | Textern      { Sto Extern,  $1 }
 | Tauto        { Sto Auto,    $1 }
 | Tregister    { Sto Register,$1 }

storage_class_spec:
 | storage_class_spec_nt { $1 }
 | Ttypedef     { StoTypedef,  $1 }


/*(*----------------------------*)*/
/*(* workarounds *)*/
/*(*----------------------------*)*/

decl:      decl2         { et "decl" (); $1 }
decl_spec: decl_spec2    { dt "declspec" (); $1  }

/*(*-----------------------------------------------------------------------*)*/
/*(* declarators (right part of type and variable) *)*/
/*(*-----------------------------------------------------------------------*)*/
init_declarator2:
 | declaratori                  { ($1, NoInit) }
 | declaratori teq initialize   { ($1, ValInit($2, $3)) }
 /* C++ only */
 | declaratori TOParCplusplusInit argument_list TCPar
     { ($1, ConstrInit($3,[$2;$4])) }


/*(*----------------------------*)*/
/*(* workarounds *)*/
/*(*----------------------------*)*/
teq: TEq  { et "teq" (); $1 }

init_declarator: init_declarator2  { dt "init" (); $1 }


/*(*----------------------------*)*/
/*(* gccext: *)*/
/*(*----------------------------*)*/

declaratori:
 | declarator
     { let (attr,dec) = $1 in
       LP.add_ident (str_of_name (fst dec)); dec, attr, [] }
 /*(* gccext: *)*/
 | declarator gcc_asm_decl
     { let (attr,dec) = $1 in
       LP.add_ident (str_of_name (fst dec)); dec, attr, [] }
 /*(* gccext: *)*/
 | declarator end_attributes
     { let (attr,dec) = $1 in
       LP.add_ident (str_of_name (fst dec)); dec, attr, $2 (* TODO *) }


gcc_asm_decl:
 | Tasm TOPar asmbody TCPar              {  }
 | Tasm Tvolatile TOPar asmbody TCPar   {  }


/*(*-----------------------------------------------------------------------*)*/
initialize:
 | assign_expr
     { InitExpr $1,                [] }
 | tobrace_ini initialize_list gcc_comma_opt_struct  tcbrace_ini
     { InitList (List.rev $2),     [$1;$4] @ $3 }
 | tobrace_ini tcbrace_ini
     { InitList [],       [$1;$2] } /*(* gccext: *)*/


/*
(* opti: This time we use the weird order of non-terminal which requires in
 * the "caller" to do a List.rev cos quite critical. With this weird order it
 * allows yacc to use a constant stack space instead of exploding if we would
 * do a  'initialize2 Tcomma initialize_list'.
 *)
*/
initialize_list:
 | initialize2                        { [$1,   []] }
 | initialize_list TComma initialize2 { ($3,  [$2])::$1 }


/*(* gccext: condexpr and no assign_expr cos can have ambiguity with comma *)*/
initialize2:
 | cond_expr
     { InitExpr $1,   [] }
 | tobrace_ini initialize_list gcc_comma_opt_struct tcbrace_ini
     { InitList (List.rev $2),   [$1;$4] @ $3 }
 | tobrace_ini tcbrace_ini
     { InitList [],  [$1;$2]  }

 /*(* gccext: labeled elements, a.k.a designators *)*/
 | designator_list TEq initialize2
     { InitDesignators ($1, $3), [$2] }

 /*(* gccext: old format *)*/
 | ident TDotDot initialize2
     { InitFieldOld (fst $1, $3),     [snd $1; $2] } /*(* in old kernel *)*/
/* conflict
 | TOCro const_expr TCCro initialize2
     { InitIndexOld ($2, $4),    [$1;$3] }
*/



/*(* they can be nested, can have a .x[3].y *)*/
designator:
 | TDot ident
     { DesignatorField (fst $2), [$1;snd $2] }
 | TOCro const_expr TCCro
     { DesignatorIndex ($2),  [$1;$3] }
 | TOCro const_expr TEllipsis const_expr TCCro
     { DesignatorRange ($2, $4),  [$1;$3;$5] }


/*(*----------------------------*)*/
/*(* workarounds *)*/
/*(*----------------------------*)*/

gcc_comma_opt_struct:
 | TComma {  [$1] }
 | /*(* empty *)*/  {  [Ast_c.fakeInfo() +> Ast_c.rewrap_str ","]  }








/*(*************************************************************************)*/
/*(* struct *)*/
/*(*************************************************************************)*/

s_or_u_spec2:
 | struct_or_union ident tobrace_struct struct_decl_list_gcc tcbrace_struct
     { StructUnion (fst $1, Some (fst $2), $4),  [snd $1;snd $2;$3;$5]  }
 | struct_or_union       tobrace_struct struct_decl_list_gcc tcbrace_struct
     { StructUnion (fst $1, None, $3), [snd $1;$2;$4] }
 | struct_or_union ident
     { StructUnionName (fst $1, fst $2), [snd $1;snd $2] }

struct_or_union2:
 | Tstruct   { Struct, $1 }
 | Tunion    { Union, $1 }
 /*(* gccext: *)*/
 | Tstruct attributes   { Struct, $1 (* TODO *) }
 | Tunion  attributes   { Union, $1  (* TODO *) }



struct_decl2:
 | field_declaration { DeclarationField $1 }
 | TPtVirg { EmptyField $1  }

 /*(* no conflict ? no need for a TMacroStruct ? apparently not as at struct
    * the rule are slightly different.
    *)*/
 | identifier TOPar argument_list TCPar TPtVirg
     { MacroDeclField ((fst $1, $3), [snd $1;$2;$4;$5;fakeInfo()]) }

 | TMacroDecl TOPar argument_list TCPar TPtVirg
     { MacroDeclField ((fst $1, $3), [snd $1;$2;$4;$5;fakeInfo()]) }

 /*(* cppext: *)*/
 | cpp_directive
     { CppDirectiveStruct $1 }
 | cpp_ifdef_directive/*(* struct_decl_list ... *)*/
     { IfdefStruct $1 }


field_declaration:
 | spec_qualif_list struct_declarator_list TPtVirg
     {
       let (returnType,storage) = fixDeclSpecForDecl $1 in
       if fst (unwrap storage) <> NoSto
       then internal_error "parsing don't allow this";

       let iistart = Ast_c.fakeInfo () in (* for parallelism with DeclList *)
       FieldDeclList ($2 +> (List.map (fun (f, iivirg) ->
         f returnType, iivirg))
                         ,[$3;iistart])
         (* don't need to check if typedef or func initialised cos
          * grammar don't allow typedef nor initialiser in struct
          *)
     }

 | spec_qualif_list TPtVirg
     {
       (* gccext: allow empty elements if it is a structdef or enumdef *)
       let (returnType,storage) = fixDeclSpecForDecl $1 in
       if fst (unwrap storage) <> NoSto
       then internal_error "parsing don't allow this";

       let iistart = Ast_c.fakeInfo () in (* for parallelism with DeclList *)
       FieldDeclList ([(Simple (None, returnType)) , []], [$2;iistart])
     }





struct_declarator:
 | declaratorsd
     { (fun x -> Simple   (Some (fst $1), (snd $1) x)) }
 | dotdot const_expr2
     { (fun x -> BitField (None, x, $1, $2)) }
 | declaratorsd dotdot const_expr2
     { (fun x -> BitField (Some (fst $1), ((snd $1) x), $2, $3)) }


/*(*----------------------------*)*/
/*(* workarounds *)*/
/*(*----------------------------*)*/
declaratorsd:
 | declarator
     { let (attr,dec) = $1 in (* attr ignored *)
       (*also ? LP.add_ident (fst (fst dec)); *) dec }
 /*(* gccext: *)*/
 | declarator attributes   { let (attr,dec) = $1 in dec }




struct_or_union_spec: s_or_u_spec2 { dt "su" (); $1 }
struct_or_union: struct_or_union2 { et "su" (); $1 }
struct_decl: struct_decl2  { et "struct" (); $1 }

dotdot: TDotDot  { et "dotdot" (); $1 }
const_expr2: const_expr { dt "const_expr2" (); $1 }

struct_decl_list_gcc:
 | struct_decl_list  { $1 }
 | /*(* empty *)*/       { [] } /*(* gccext: allow empty struct *)*/


/*(*************************************************************************)*/
/*(* enum *)*/
/*(*************************************************************************)*/
enum_spec:
 | Tenum        tobrace_enum enumerator_list gcc_comma_opt_struct tcbrace_enum
     { Enum (None,    $3),           [$1;$2;$5] @ $4 }
 | Tenum ident  tobrace_enum enumerator_list gcc_comma_opt_struct tcbrace_enum
     { Enum (Some (fst $2), $4),     [$1; snd $2; $3;$6] @ $5 }
 | Tenum ident
     { EnumName (fst $2),       [$1; snd $2] }

enumerator:
 | idente                 { $1, None     }
 | idente  TEq const_expr { $1, Some ($2, $3) }


/*(*----------------------------*)*/
/*(* workarounds *)*/
/*(*----------------------------*)*/

idente: ident_cpp { LP.add_ident (str_of_name $1); $1 }



/*(*************************************************************************)*/
/*(* function *)*/
/*(*************************************************************************)*/
function_definition: function_def    { fixFunc $1 }

decl_list:
 | decl           { [$1 Ast_c.LocalDecl]   }
 | decl_list decl { $1 @ [$2 Ast_c.LocalDecl] }

/* hack : to drop when a better solution is found */
cpp_directive_list:
 | cpp_directive                    { }
 | cpp_directive_list cpp_directive { }

function_def:
 | start_fun compound      { LP.del_scope(); ($1, $2, None) }
 | start_fun cpp_directive_list compound { LP.del_scope(); ($1, $3, None) }
 | start_fun decl_list compound      {
     (* TODO: undo the typedef added ? *)
     LP.del_scope();
     ($1, $3, Some $2)
   }

start_fun: start_fun2
  { LP.new_scope();
    fix_add_params_ident $1;
    (* toreput? !LP._lexer_hint.toplevel <- false;  *)
    $1
  }

start_fun2: decl_spec declaratorfd
     { let (returnType,storage) = fixDeclSpecForFuncDef (snd $1) in
       let (id, attrs) = $2 in
       (fst id, fixOldCDecl ((snd id) returnType) , storage, (fst $1)@attrs)
     }
   | ctor_dtor { $1 }

ctor_dtor:
 | Tconstructorname topar tcpar {
     let id = RegularName (mk_string_wrap $1) in
     let ret = mk_ty NoType [] in
     let ty = mk_ty (FunctionType (ret, (([], (false, []))))) [$2;$3] in
     let storage = ((NoSto,false),[]) in
     let attrs = [] in
     (id, ty, storage, attrs) }
 | Tconstructorname topar parameter_type_list tcpar {
     let id = RegularName (mk_string_wrap $1) in
     let ret = mk_ty NoType [] in
     let ty = mk_ty (FunctionType (ret, $3)) [$2;$4] in
     let storage = ((NoSto,false),[]) in
     let attrs = [] in
     (id, ty, storage, attrs) }

/*(*----------------------------*)*/
/*(* workarounds *)*/
/*(*----------------------------*)*/

/* It would be very nice if we could make declarator aware that this is
coming from a function definition.  Then on the ( and ) cases, it could
set the state to something other than InParameter.  Then the case
(TIdent (s, i1)::(TComma _|TCPar _)::_ , (TComma _ |TOPar _)::_ )
in parsing_hacks.ml would not have to consider K&R variable declarations
as typedefs.  Unfortunately, doing something about this problem seems to
introduce conflicts in the parser. */

declaratorfd:
 | declarator
   { et "declaratorfd" (); let (attr,dec) = $1 in dec, attr }
 /*(* gccext: *)*/
| declarator end_attributes
   { et "declaratorfd" (); let (attr,dec) = $1 in dec, attr }


/*(*************************************************************************)*/
/*(* cpp directives *)*/
/*(*************************************************************************)*/

cpp_directive:
 | TIncludeStart TIncludeFilename
     {
       let (i1, in_ifdef) = $1 in
       let (s, i2) = $2 in

       (* redo some lexing work :( *)
       let inc_file =
         match () with
         | _ when s =~ "^\"\\(.*\\)\"$" ->
             Local (Common.split "/" (matched1 s))
         | _ when s =~ "^\\<\\(.*\\)\\>$" ->
             NonLocal (Common.split "/" (matched1 s))
         | _ ->
             Weird s
       in
       Include { i_include = (inc_file, [i1;i2]);
                 i_rel_pos = Ast_c.noRelPos();
                 i_overall_rel_pos = Ast_c.noRelPos();
                 i_is_in_ifdef = !in_ifdef;
                 i_content = Ast_c.noi_content;
       }
     }

 | TDefine TIdentDefine define_val TDefEOL
     { Define ((fst $2, [$1; snd $2;$4]), (DefineVar, $3)) }

 /*
 (* The TOParDefine is introduced to avoid ambiguity with previous rules.
  * A TOParDefine is a TOPar that was just next to the ident.
  *)*/
 | TDefine TIdentDefine TOParDefine param_define_list TCPar define_val TDefEOL
     { Define
         ((fst $2, [$1; snd $2; $7]),
           (DefineFunc ($4, [$3;$5]), $6))
     }

 | TUndef TIdentDefine TDefEOL
     { Define((fst $2, [$1; snd $2; $3]), (Undef,DefineEmpty)) }

 | TPragma TIdent pragma_strings TDefEOL
     { Pragma((RegularName (mk_string_wrap $2),$3),[$1;$4]) }

 | TCppDirectiveOther { OtherDirective ([$1]) }

pragma_strings:
   TPragmaString { [(fst $1, [snd $1])] }
 | TPragmaString pragma_strings { (fst $1, [snd $1])::$2 }

/*(* perhaps better to use assign_expr ? but in that case need
   * do a assign_expr_of_string in parse_c
   *)*/
define_val:
 | expr      { DefineExpr $1 }
 | statement { DefineStmt $1 }
 | decl      { DefineStmt (mk_st (Decl ($1 Ast_c.NotLocalDecl)) Ast_c.noii) }

/*(*old:
  * | TypedefIdent { DefineType (nQ,(TypeName(fst $1,noTypedefDef()),[snd $1]))}
  * get conflicts:
  * | spec_qualif_list TMul
  *   { let (returnType, _) = fixDeclSpecForDecl $1 in  DefineType returnType }
  *)
*/
 | decl_spec
     { let returnType = fixDeclSpecForMacro (snd $1) in
       DefineType returnType
     }
 | decl_spec abstract_declarator
     { let returnType = fixDeclSpecForMacro (snd $1) in
       let typ = $2 returnType in
       DefineType typ
     }

/*(* can be in conflict with decl_spec, maybe change fixDeclSpecForMacro
 * to also allow storage ?
 | storage_class_spec { DefineTodo }
 | Tinline { DefineTodo }
*)*/

 | stat_or_decl stat_or_decl_list
     { DefineMulti
	 (List.map
	    (function
		StmtElem e -> e
	      | _ -> failwith "unexpected statement for DefineMulti")
	    ($1 :: $2)) }
/*(*
 | statement statement { DefineTodo }
 | decl function_definition { DefineTodo }
*)*/




 | function_definition { DefineFunction $1 }

 | TOBraceDefineInit initialize_list gcc_comma_opt_struct TCBrace comma_opt
    { DefineInit (InitList (List.rev $2), [$1;$4] @ $3 @ $5)  }

 /*(* note: had a conflict before when were putting TInt instead of expr *)*/
 | Tdo statement Twhile TOPar expr TCPar
     {
       (* TOREPUT
       if fst $5 <> "0"
       then pr2 "WEIRD: in macro and have not a while(0)";
       *)
       DefineDoWhileZero (($2,$5),   [$1;$3;$4;$6])
     }

 | Tasm TOPar asmbody TCPar              { DefineTodo }
 | Tasm Tvolatile TOPar asmbody TCPar    { DefineTodo }

 /*(* aliases macro *)*/

 | /*(* empty *)*/ { DefineEmpty }




param_define:
 | TIdent               { mk_string_wrap $1 }
 | TypedefIdent         { mk_string_wrap $1 }
 | TDefParamVariadic    { mk_string_wrap $1 }
 | TEllipsis            { "...", [$1] }
 /*(* they reuse keywords :(  *)*/
 | Tregister            { "register", [$1] }




cpp_ifdef_statement:
   ifdef cpp_ifdef_statement cpp_ifdef_statement_tail
     { IfdefStmt1 (($1::fst $3), ($2::snd $3)), [] }
 | statement {$1}

cpp_ifdef_statement_tail:
   ifdefelse cpp_ifdef_statement endif { [$1;$3], [$2] }
 | ifdefelif cpp_ifdef_statement cpp_ifdef_statement_tail
   { ($1::fst $3), ($2::snd $3) }

ifdef:
   TIfdef
     { let (cond,tag,ii) = $1 in
       IfdefDirective ((Ifdef cond, IfdefTag (Common.some !tag)),  [ii]) }

ifdefelse:
   TIfdefelse
     { let (tag,ii) = $1 in
       IfdefDirective ((IfdefElse, IfdefTag (Common.some !tag)), [ii]) }

ifdefelif:
   TIfdefelif
     { let (cond,tag,ii) = $1 in
       IfdefDirective ((IfdefElseif cond, IfdefTag (Common.some !tag)), [ii]) }

endif:
   TEndif
     { let (tag,ii) = $1 in
       IfdefDirective ((IfdefEndif, IfdefTag (Common.some !tag)), [ii]) }

cpp_ifdef_directive:
 | ifdef { $1 }
 | ifdefelse { $1 }
 | ifdefelif { $1 }
 | endif { $1 }

 | TIfdefBool
     { let (_b, tag,ii) = $1 in
       IfdefDirective ((Ifdef Gnone, IfdefTag (Common.some !tag)), [ii]) }
 | TIfdefMisc
     { let (_b, tag,ii) = $1 in
       IfdefDirective ((Ifdef Gnone, IfdefTag (Common.some !tag)), [ii]) }
 | TIfdefVersion
     { let (_b, tag,ii) = $1 in
       IfdefDirective ((Ifdef Gnone, IfdefTag (Common.some !tag)), [ii]) }


/*(* cppext: *)*/
cpp_other:
 /*(* no conflict ? no need for a TMacroTop ? apparently not as at toplevel
    * the rule are slightly different, they can't be statement and so expr
    * at the top, only decl or function definition.
    *)*/
 | identifier TOPar argument_list TCPar TPtVirg
     {
       if args_are_params $3
       then
	 (* if all args are params, assume it is a prototype of a function
	    with no return type *)
	 let parameters = args_to_params $3 None in
	 let paramlist = (parameters, (false, [])) in (* no varargs *)
	 let id = RegularName (mk_string_wrap $1) in
	 let ret =
	   warning "type defaults to 'int'"
	     (mk_ty defaultInt [fakeInfo fake_pi]) in
	 let ty =
	   fixOldCDecl (mk_ty (FunctionType (ret, paramlist)) [$2;$4]) in
	 let attrs = Ast_c.noattr in
	 let sto = (NoSto, false), [] in
	 let iistart = Ast_c.fakeInfo () in
	 Declaration(
	 DeclList ([{v_namei = Some (id,NoInit); v_type = ty;
                      v_storage = unwrap sto; v_local = NotLocalDecl;
                      v_attr = attrs; v_endattr = Ast_c.noattr;
		      v_type_bis = ref None;
                    },[]],
                   ($5::iistart::snd sto)))
       else
	 Declaration
	   (MacroDecl((NoSto, fst $1, $3, true), [snd $1;$2;$4;$5;fakeInfo()]))
           (* old: MacroTop (fst $1, $3,    [snd $1;$2;$4;$5])  *)
     }

 /* cheap solution for functions with no return type.  Not really a
       cpp_other, but avoids conflicts */
 | identifier TOPar argument_list TCPar compound {
   let parameters = args_to_params $3 (Some (snd $1)) in
   let paramlist = (parameters, (false, [])) in (* no varargs *)
   let fninfo =
     let id = RegularName (mk_string_wrap $1) in
     let ret =
       warning "type defaults to 'int'"
	 (mk_ty defaultInt [fakeInfo fake_pi]) in
     let ty = mk_ty (FunctionType (ret, paramlist)) [$2;$4] in
     let attrs = Ast_c.noattr in
     let sto = (NoSto, false), [] in
     (id, fixOldCDecl ty, sto, attrs) in
   let fundef = fixFunc (fninfo, $5, None) in
   Definition fundef
 }

 /*(* TCParEOL to fix the end-of-stream bug of ocamlyacc *)*/
 | identifier TOPar argument_list TCParEOL
     { Declaration
	 (MacroDecl ((NoSto, fst $1, $3, false), [snd $1;$2;$4;fakeInfo()])) }

  /*(* ex: EXPORT_NO_SYMBOLS; *)*/
 | identifier TPtVirg { EmptyDef [snd $1;$2] }



/*(*************************************************************************)*/
/*(* celem *)*/
/*(*************************************************************************)*/

external_declaration:
 | function_definition               { Definition $1 }
 | decl                              { Declaration ($1 Ast_c.NotLocalDecl) }


celem:
 | Tnamespace TIdent TOBrace translation_unit TCBrace
     { !LP._lexer_hint.context_stack <- [LP.InTopLevel];
       Namespace ($4, [$1; snd $2; $3; $5]) }

 | external_declaration                         { $1 }

 /*(* cppext: *)*/
 | cpp_directive
     { CppTop $1 }
 | cpp_other
     { $1 }
 | cpp_ifdef_directive /* (*external_declaration_list ...*)*/
     { IfdefTop $1 }

 /*(* can have asm declaration at toplevel *)*/
 | Tasm TOPar asmbody TCPar TPtVirg             { EmptyDef [$1;$2;$4;$5] }

 /*
 (* in ~/kernels/src/linux-2.5.2/drivers/isdn/hisax/isdnl3.c sometimes
  * the function ends with }; instead of just }
  * can also remove this rule and report "parse error" pb to morton
  *)*/
 | TPtVirg    { EmptyDef [$1] }


 | EOF        { FinalDef $1 }




/*(*************************************************************************)*/
/*(* some generic workarounds *)*/
/*(*************************************************************************)*/

tobrace: TOBrace  { LP.push_context LP.InFunction; LP.new_scope (); $1 }
tcbrace: TCBrace  { LP.pop_context();              LP.del_scope (); $1 }

tobrace_enum: TOBrace { LP.push_context LP.InEnum; $1 }
tcbrace_enum: TCBrace { LP.pop_context (); $1 }

tobrace_ini: TOBrace { LP.push_context LP.InInitializer; $1 }
tcbrace_ini: TCBrace { LP.pop_context (); $1 }

tobrace_struct: TOBrace { LP.push_context LP.InStruct; $1}
tcbrace_struct: TCBrace { LP.pop_context (); $1 }




topar: TOPar
     { LP.new_scope ();et "topar" ();
       LP.push_context LP.InParameter;
       $1
     }
tcpar: TCPar
     { LP.del_scope ();dt "tcpar" ();
       LP.pop_context ();
       $1
     }




/*(*************************************************************************)*/
/*(* xxx_list, xxx_opt *)*/
/*(*************************************************************************)*/


/*(* old:
compound2:
 |                            { ([],[]) }
 |  statement_list            { ([], $1) }
 |  decl_list                 { ($1, []) }
 |  decl_list statement_list  { ($1,$2) }

statement_list: stat_or_decl_list { $1 }
*)*/


/*(*
decl_list:
 | decl           { [$1]   }
 | decl_list decl { $1 @ [$2] }

statement_list:
 | statement { [$1] }
 | statement_list statement { $1 @ [$2] }
*)*/





string_list:
 | string_elem { $1 }
 | string_list string_elem { $1 @ $2 }

colon_asm_list:
 | colon_asm { [$1] }
 | colon_asm_list colon_asm  { $1 @ [$2] }

colon_option_list:
 | colon_option { [$1, []] }
 | colon_option_list TComma colon_option { $1 @ [$3, [$2]] }


argument_list_ne:
 | argument_ne                           { [$1, []] }
 | argument_list_ne TComma argument { $1 @ [$3,    [$2]] }

argument_list:
 | argument                           { [$1, []] }
 | argument_list TComma argument { $1 @ [$3,    [$2]] }

/*(*
expression_list:
 | assign_expr { [$1, []] }
 | expression_list TComma assign_expr { $1 @ [$3,   [$2]] }
*)*/


struct_decl_list:
 | struct_decl                   { [$1] }
 | struct_decl_list struct_decl  { $1 @ [$2] }


struct_declarator_list:
 | struct_declarator                               { [$1,           []] }
 | struct_declarator_list TComma cpp_directive_list struct_declarator
     { $1 @ [$4, [$2]] }
 | struct_declarator_list TComma struct_declarator { $1 @ [$3,     [$2]] }


enumerator_list:
 | enumerator                        { [$1,          []]   }
 | enumerator_list TComma cpp_directive_list enumerator
     { $1 @ [$4, [$2]] }
 | enumerator_list TComma enumerator { $1 @ [$3,    [$2]] }


init_declarator_list:
 | init_declarator                             { [$1,   []] }
 | init_declarator_list TComma cpp_directive_list init_declarator
     { $1 @ [$4, [$2]] }
 | init_declarator_list TComma init_declarator { $1 @ [$3,     [$2]] }


parameter_list:
 | parameter_decl                       { [$1, []] }
 | parameter_list TComma parameter_decl { $1 @ [$3,  [$2]] }

taction_list_ne:
 | TAction                 { [$1] }
 | TAction taction_list_ne { $1 :: $2 }

taction_list:
/*old: was generating conflict, hence now taction_list_ne
    | (* empty *) { [] }
 | TAction { [$1] }
 | taction_list TAction { $1 @ [$2] }
*/
 |                      { [] }
 | TAction taction_list { $1 :: $2 }

param_define_list:
 | /*(* empty *)*/ { [] }
 | param_define                           { [$1, []] }
 | param_define_list TComma param_define  { $1 @ [$3, [$2]] }

designator_list:
 | designator { [$1] }
 | designator_list designator { $1 @ [$2] }

attribute_list:
 | attribute { [$1] }
 | attribute_list attribute { $1 @ [$2] }

attributes: attribute_list { $1 }

end_attributes:
 | TMacroEndAttr { [Attribute (fst $1), [snd $1]] }

comma_opt:
 | TComma {  [$1] }
 | /*(* empty *)*/  {  []  }

/*(*
gcc_opt_virg:
 | TPtVirg { }
 |  { }
*)*/

gcc_opt_expr:
 | expr        { Some $1 }
 | /*(* empty *)*/ { None  }

/*(*
opt_ptvirg:
 | TPtVirg { [$1] }
 | { [] }
*)*/