summaryrefslogtreecommitdiff
path: root/src/if_perl.xs
blob: e54a79d2b30d460d5e06f7805b80edb553d2f956 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
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
/* vi:set ts=8 sts=4 sw=4 noet:
 *
 * VIM - Vi IMproved	by Bram Moolenaar
 *
 * Do ":help uganda"  in Vim to read copying and usage conditions.
 * Do ":help credits" in Vim to see a list of people who contributed.
 */
/*
 * if_perl.xs: Main code for Perl interface support.
 *		Mostly written by Sven Verdoolaege.
 */

#define _memory_h	/* avoid memset redeclaration */
#define IN_PERL_FILE	/* don't include if_perl.pro from proto.h */

/*
 * Currently 32-bit version of ActivePerl is built with VC6 (or MinGW since
 * ActivePerl 5.18).
 * (http://community.activestate.com/faq/windows-compilers-perl-modules)
 * It means that time_t should be 32-bit. However the default size of
 * time_t is 64-bit since VC8. So we have to define _USE_32BIT_TIME_T.
 */
#if defined(WIN32) && !defined(_WIN64)
# define _USE_32BIT_TIME_T
#endif

/*
 * Prevent including winsock.h.  perl.h tries to detect whether winsock.h is
 * already included before including winsock2.h, because winsock2.h isn't
 * compatible with winsock.h.  However the detection doesn't work with some
 * versions of MinGW.  If WIN32_LEAN_AND_MEAN is defined, windows.h will not
 * include winsock.h.
 */
#ifdef WIN32
# define WIN32_LEAN_AND_MEAN
#endif

#include "vim.h"

/* Work around for perl-5.18.
 * Don't include "perl\lib\CORE\inline.h" for now,
 * include it after Perl_sv_free2 is defined. */
#ifdef DYNAMIC_PERL
# define PERL_NO_INLINE_FUNCTIONS
#endif

/* Work around for using MSVC and ActivePerl 5.18. */
#ifdef _MSC_VER
# define __inline__ __inline

// Work around for using MSVC and Strawberry Perl 5.30.
# define __builtin_expect(expr, val) (expr)
#endif

#ifdef __GNUC__
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wunused-variable"
#endif

#include <EXTERN.h>
#include <perl.h>
#include <XSUB.h>
#if defined(PERLIO_LAYERS) && !defined(USE_SFIO)
# include <perliol.h>
#endif

/* Workaround for perl < 5.8.7 */
#ifndef PERLIO_FUNCS_DECL
# ifdef PERLIO_FUNCS_CONST
#  define PERLIO_FUNCS_DECL(funcs) const PerlIO_funcs funcs
#  define PERLIO_FUNCS_CAST(funcs) (PerlIO_funcs*)(funcs)
# else
#  define PERLIO_FUNCS_DECL(funcs) PerlIO_funcs funcs
#  define PERLIO_FUNCS_CAST(funcs) (funcs)
# endif
#endif
#ifndef SvREFCNT_inc_void_NN
# define SvREFCNT_inc_void_NN SvREFCNT_inc
#endif

/*
 * Work around clashes between Perl and Vim namespace.	proto.h doesn't
 * include if_perl.pro and perlsfio.pro when IN_PERL_FILE is defined, because
 * we need the CV typedef.  proto.h can't be moved to after including
 * if_perl.h, because we get all sorts of name clashes then.
 */
#ifndef PROTO
# ifndef __MINGW32__
#  include "proto/if_perl.pro"
#  include "proto/if_perlsfio.pro"
# endif
#endif

// Perl compatibility stuff. This should ensure compatibility with older
// versions of Perl.
#ifndef PERL_VERSION
# include <patchlevel.h>
# define PERL_REVISION   5
# define PERL_VERSION    PATCHLEVEL
# define PERL_SUBVERSION SUBVERSION
#endif


// Work around for ActivePerl 5.20.3+: Avoid generating (g)vim.lib.
#if defined(ACTIVEPERL_VERSION) && (ACTIVEPERL_VERSION >= 2003) \
	&& defined(MSWIN) && defined(USE_DYNAMIC_LOADING)
# undef XS_EXTERNAL
# define XS_EXTERNAL(name) XSPROTO(name)
#endif

/*
 * Quoting Jan Dubois of Active State:
 *    ActivePerl build 822 still identifies itself as 5.8.8 but already
 *    contains many of the changes from the upcoming Perl 5.8.9 release.
 *
 * The changes include addition of two symbols (Perl_sv_2iv_flags,
 * Perl_newXS_flags) not present in earlier releases.
 *
 * Jan Dubois suggested the following guarding scheme.
 *
 * Active State defined ACTIVEPERL_VERSION as a string in versions before
 * 5.8.8; and so the comparison to 822 below needs to be guarded.
 */
#if (PERL_REVISION == 5) && (PERL_VERSION == 8) && (PERL_SUBVERSION >= 8)
# if (ACTIVEPERL_VERSION >= 822) || (PERL_SUBVERSION >= 9)
#  define PERL589_OR_LATER
# endif
#endif
#if (PERL_REVISION == 5) && (PERL_VERSION >= 9)
# define PERL589_OR_LATER
#endif

#if (PERL_REVISION == 5) && ((PERL_VERSION > 10) || \
    (PERL_VERSION == 10) && (PERL_SUBVERSION >= 1))
# define PERL5101_OR_LATER
#endif

#ifndef pTHX
# define pTHX void
# define pTHX_
#endif

#ifndef EXTERN_C
# define EXTERN_C
#endif

/* Compatibility hacks over */

static PerlInterpreter *perl_interp = NULL;
static void xs_init(pTHX);
static void VIM_init(void);
EXTERN_C void boot_DynaLoader(pTHX_ CV*);

/*
 * For dynamic linked perl.
 */
#if defined(DYNAMIC_PERL) || defined(PROTO)

# ifndef DYNAMIC_PERL /* just generating prototypes */
#  ifdef MSWIN
typedef int HANDLE;
#  endif
typedef int XSINIT_t;
typedef int XSUBADDR_t;
# endif
# ifndef USE_ITHREADS
typedef int perl_key;
# endif

# ifndef MSWIN
#  include <dlfcn.h>
#  define HANDLE void*
#  define PERL_PROC void*
#  define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL)
#  define symbol_from_dll dlsym
#  define close_dll dlclose
# else
#  define PERL_PROC FARPROC
#  define load_dll vimLoadLib
#  define symbol_from_dll GetProcAddress
#  define close_dll FreeLibrary
# endif
/*
 * Wrapper defines
 */
# define perl_alloc dll_perl_alloc
# define perl_construct dll_perl_construct
# define perl_parse dll_perl_parse
# define perl_run dll_perl_run
# define perl_destruct dll_perl_destruct
# define perl_free dll_perl_free
# define Perl_get_context dll_Perl_get_context
# define Perl_croak dll_Perl_croak
# ifdef PERL5101_OR_LATER
#  define Perl_croak_xs_usage dll_Perl_croak_xs_usage
# endif
# ifndef PROTO
#  ifdef PERL_IMPLICIT_CONTEXT
#   define Perl_croak_nocontext dll_Perl_croak_nocontext
#  endif
#  define Perl_call_argv dll_Perl_call_argv
#  define Perl_call_pv dll_Perl_call_pv
#  define Perl_eval_sv dll_Perl_eval_sv
#  define Perl_get_sv dll_Perl_get_sv
#  define Perl_eval_pv dll_Perl_eval_pv
#  define Perl_call_method dll_Perl_call_method
# endif
# define Perl_dowantarray dll_Perl_dowantarray
# define Perl_free_tmps dll_Perl_free_tmps
# define Perl_gv_stashpv dll_Perl_gv_stashpv
# define Perl_markstack_grow dll_Perl_markstack_grow
# define Perl_mg_find dll_Perl_mg_find
# if (PERL_REVISION == 5) && (PERL_VERSION >= 28)
#  define Perl_mg_get dll_Perl_mg_get
# endif
# define Perl_newXS dll_Perl_newXS
# define Perl_newSV dll_Perl_newSV
# define Perl_newSViv dll_Perl_newSViv
# define Perl_newSVpv dll_Perl_newSVpv
# define Perl_pop_scope dll_Perl_pop_scope
# define Perl_push_scope dll_Perl_push_scope
# define Perl_save_int dll_Perl_save_int
# if (PERL_REVISION == 5) && (PERL_VERSION >= 20)
#  define Perl_save_strlen dll_Perl_save_strlen
# endif
# define Perl_stack_grow dll_Perl_stack_grow
# define Perl_set_context dll_Perl_set_context
# if (PERL_REVISION == 5) && (PERL_VERSION >= 14)
#  define Perl_sv_2bool_flags dll_Perl_sv_2bool_flags
#  if (PERL_REVISION == 5) && (PERL_VERSION < 22)
#   define Perl_xs_apiversion_bootcheck dll_Perl_xs_apiversion_bootcheck
#  endif
# else
#  define Perl_sv_2bool dll_Perl_sv_2bool
# endif
# define Perl_sv_2iv dll_Perl_sv_2iv
# define Perl_sv_2mortal dll_Perl_sv_2mortal
# if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
#  define Perl_sv_2pv_flags dll_Perl_sv_2pv_flags
#  define Perl_sv_2pv_nolen dll_Perl_sv_2pv_nolen
# else
#  define Perl_sv_2pv dll_Perl_sv_2pv
# endif
# if (PERL_REVISION == 5) && (PERL_VERSION >= 32)
#  define Perl_sv_2pvbyte_flags dll_Perl_sv_2pvbyte_flags
# endif
# define Perl_sv_2pvbyte dll_Perl_sv_2pvbyte
# define Perl_sv_bless dll_Perl_sv_bless
# if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
#  define Perl_sv_catpvn_flags dll_Perl_sv_catpvn_flags
# else
#  define Perl_sv_catpvn dll_Perl_sv_catpvn
# endif
# ifdef PERL589_OR_LATER
#  define Perl_sv_2iv_flags dll_Perl_sv_2iv_flags
#  define Perl_newXS_flags dll_Perl_newXS_flags
# endif
# define Perl_sv_free dll_Perl_sv_free
# if (PERL_REVISION == 5) && (PERL_VERSION >= 10)
#  define Perl_sv_free2 dll_Perl_sv_free2
# endif
# define Perl_sv_isa dll_Perl_sv_isa
# define Perl_sv_magic dll_Perl_sv_magic
# define Perl_sv_setiv dll_Perl_sv_setiv
# define Perl_sv_setpv dll_Perl_sv_setpv
# define Perl_sv_setpvn dll_Perl_sv_setpvn
# if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
#  define Perl_sv_setsv_flags dll_Perl_sv_setsv_flags
# else
#  define Perl_sv_setsv dll_Perl_sv_setsv
# endif
# define Perl_sv_upgrade dll_Perl_sv_upgrade
# define Perl_Tstack_sp_ptr dll_Perl_Tstack_sp_ptr
# define Perl_Top_ptr dll_Perl_Top_ptr
# define Perl_Tstack_base_ptr dll_Perl_Tstack_base_ptr
# define Perl_Tstack_max_ptr dll_Perl_Tstack_max_ptr
# define Perl_Ttmps_ix_ptr dll_Perl_Ttmps_ix_ptr
# define Perl_Ttmps_floor_ptr dll_Perl_Ttmps_floor_ptr
# define Perl_Tmarkstack_ptr_ptr dll_Perl_Tmarkstack_ptr_ptr
# define Perl_Tmarkstack_max_ptr dll_Perl_Tmarkstack_max_ptr
# define Perl_TSv_ptr dll_Perl_TSv_ptr
# define Perl_TXpv_ptr dll_Perl_TXpv_ptr
# define Perl_Tna_ptr dll_Perl_Tna_ptr
# define Perl_Idefgv_ptr dll_Perl_Idefgv_ptr
# define Perl_Ierrgv_ptr dll_Perl_Ierrgv_ptr
# define Perl_Isv_yes_ptr dll_Perl_Isv_yes_ptr
# define boot_DynaLoader dll_boot_DynaLoader
# define Perl_Gthr_key_ptr dll_Perl_Gthr_key_ptr

# define Perl_sys_init dll_Perl_sys_init
# define Perl_sys_term dll_Perl_sys_term
# define Perl_ISv_ptr dll_Perl_ISv_ptr
# define Perl_Istack_max_ptr dll_Perl_Istack_max_ptr
# define Perl_Istack_base_ptr dll_Perl_Istack_base_ptr
# define Perl_Itmps_ix_ptr dll_Perl_Itmps_ix_ptr
# define Perl_Itmps_floor_ptr dll_Perl_Itmps_floor_ptr
# define Perl_IXpv_ptr dll_Perl_IXpv_ptr
# define Perl_Ina_ptr dll_Perl_Ina_ptr
# define Perl_Imarkstack_ptr_ptr dll_Perl_Imarkstack_ptr_ptr
# define Perl_Imarkstack_max_ptr dll_Perl_Imarkstack_max_ptr
# define Perl_Istack_sp_ptr dll_Perl_Istack_sp_ptr
# define Perl_Iop_ptr dll_Perl_Iop_ptr
# define Perl_call_list dll_Perl_call_list
# define Perl_Iscopestack_ix_ptr dll_Perl_Iscopestack_ix_ptr
# define Perl_Iunitcheckav_ptr dll_Perl_Iunitcheckav_ptr
# if (PERL_REVISION == 5) && (PERL_VERSION >= 22)
#  define Perl_xs_handshake dll_Perl_xs_handshake
#  define Perl_xs_boot_epilog dll_Perl_xs_boot_epilog
# endif
# if (PERL_REVISION == 5) && (PERL_VERSION >= 14)
#  ifdef USE_ITHREADS
#   define PL_thr_key *dll_PL_thr_key
#  endif
# endif
# define Perl_hv_iternext_flags dll_Perl_hv_iternext_flags
# define Perl_hv_iterinit dll_Perl_hv_iterinit
# define Perl_hv_iterkey dll_Perl_hv_iterkey
# define Perl_hv_iterval dll_Perl_hv_iterval
# define Perl_av_fetch dll_Perl_av_fetch
# define Perl_av_len dll_Perl_av_len
# define Perl_sv_2nv_flags dll_Perl_sv_2nv_flags
# if defined(PERLIO_LAYERS) && !defined(USE_SFIO)
#  define PerlIOBase_pushed dll_PerlIOBase_pushed
#  define PerlIO_define_layer dll_PerlIO_define_layer
# endif
# if (PERL_REVISION == 5) && (PERL_VERSION >= 24)
#  define Perl_savetmps dll_Perl_savetmps
# endif

/*
 * Declare HANDLE for perl.dll and function pointers.
 */
static HANDLE hPerlLib = NULL;

static PerlInterpreter* (*perl_alloc)();
static void (*perl_construct)(PerlInterpreter*);
static void (*perl_destruct)(PerlInterpreter*);
static void (*perl_free)(PerlInterpreter*);
static int (*perl_run)(PerlInterpreter*);
static int (*perl_parse)(PerlInterpreter*, XSINIT_t, int, char**, char**);
static void* (*Perl_get_context)(void);
static void (*Perl_croak)(pTHX_ const char*, ...) __attribute__noreturn__;
# ifdef PERL5101_OR_LATER
/* Perl-5.18 has a different Perl_croak_xs_usage signature. */
#  if (PERL_REVISION == 5) && (PERL_VERSION >= 18)
static void (*Perl_croak_xs_usage)(const CV *const, const char *const params)
						    __attribute__noreturn__;
#  else
static void (*Perl_croak_xs_usage)(pTHX_ const CV *const, const char *const params)
						    __attribute__noreturn__;
#  endif
# endif
# ifdef PERL_IMPLICIT_CONTEXT
static void (*Perl_croak_nocontext)(const char*, ...) __attribute__noreturn__;
# endif
static I32 (*Perl_dowantarray)(pTHX);
static void (*Perl_free_tmps)(pTHX);
static HV* (*Perl_gv_stashpv)(pTHX_ const char*, I32);
# if (PERL_REVISION == 5) && (PERL_VERSION >= 22)
static I32* (*Perl_markstack_grow)(pTHX);
# else
static void (*Perl_markstack_grow)(pTHX);
# endif
static MAGIC* (*Perl_mg_find)(pTHX_ SV*, int);
# if (PERL_REVISION == 5) && (PERL_VERSION >= 28)
static int (*Perl_mg_get)(pTHX_ SV*);
# endif
static CV* (*Perl_newXS)(pTHX_ char*, XSUBADDR_t, char*);
static SV* (*Perl_newSV)(pTHX_ STRLEN);
static SV* (*Perl_newSViv)(pTHX_ IV);
static SV* (*Perl_newSVpv)(pTHX_ const char*, STRLEN);
static I32 (*Perl_call_argv)(pTHX_ const char*, I32, char**);
static I32 (*Perl_call_pv)(pTHX_ const char*, I32);
static I32 (*Perl_eval_sv)(pTHX_ SV*, I32);
static SV* (*Perl_get_sv)(pTHX_ const char*, I32);
static SV* (*Perl_eval_pv)(pTHX_ const char*, I32);
static SV* (*Perl_call_method)(pTHX_ const char*, I32);
static void (*Perl_pop_scope)(pTHX);
static void (*Perl_push_scope)(pTHX);
static void (*Perl_save_int)(pTHX_ int*);
# if (PERL_REVISION == 5) && (PERL_VERSION >= 20)
static void (*Perl_save_strlen)(pTHX_ STRLEN* ptr);
# endif
static SV** (*Perl_stack_grow)(pTHX_ SV**, SV**p, int);
static SV** (*Perl_set_context)(void*);
# if (PERL_REVISION == 5) && (PERL_VERSION >= 14)
static bool (*Perl_sv_2bool_flags)(pTHX_ SV*, I32);
#  if (PERL_REVISION == 5) && (PERL_VERSION < 22)
static void (*Perl_xs_apiversion_bootcheck)(pTHX_ SV *module, const char *api_p, STRLEN api_len);
#  endif
# else
static bool (*Perl_sv_2bool)(pTHX_ SV*);
# endif
static IV (*Perl_sv_2iv)(pTHX_ SV*);
static SV* (*Perl_sv_2mortal)(pTHX_ SV*);
# if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
static char* (*Perl_sv_2pv_flags)(pTHX_ SV*, STRLEN*, I32);
static char* (*Perl_sv_2pv_nolen)(pTHX_ SV*);
# else
static char* (*Perl_sv_2pv)(pTHX_ SV*, STRLEN*);
# endif
static char* (*Perl_sv_2pvbyte)(pTHX_ SV*, STRLEN*);
# if (PERL_REVISION == 5) && (PERL_VERSION >= 32)
static char* (*Perl_sv_2pvbyte_flags)(pTHX_ SV*, STRLEN*, I32);
# endif
static SV* (*Perl_sv_bless)(pTHX_ SV*, HV*);
# if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
static void (*Perl_sv_catpvn_flags)(pTHX_ SV* , const char*, STRLEN, I32);
# else
static void (*Perl_sv_catpvn)(pTHX_ SV*, const char*, STRLEN);
# endif
# ifdef PERL589_OR_LATER
static IV (*Perl_sv_2iv_flags)(pTHX_ SV* sv, I32 flags);
static CV * (*Perl_newXS_flags)(pTHX_ const char *name, XSUBADDR_t subaddr, const char *const filename, const char *const proto, U32 flags);
# endif
static void (*Perl_sv_free)(pTHX_ SV*);
static int (*Perl_sv_isa)(pTHX_ SV*, const char*);
static void (*Perl_sv_magic)(pTHX_ SV*, SV*, int, const char*, I32);
static void (*Perl_sv_setiv)(pTHX_ SV*, IV);
static void (*Perl_sv_setpv)(pTHX_ SV*, const char*);
static void (*Perl_sv_setpvn)(pTHX_ SV*, const char*, STRLEN);
# if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
static void (*Perl_sv_setsv_flags)(pTHX_ SV*, SV*, I32);
# else
static void (*Perl_sv_setsv)(pTHX_ SV*, SV*);
# endif
static bool (*Perl_sv_upgrade)(pTHX_ SV*, U32);
# if (PERL_REVISION == 5) && (PERL_VERSION < 10)
static SV*** (*Perl_Tstack_sp_ptr)(register PerlInterpreter*);
static OP** (*Perl_Top_ptr)(register PerlInterpreter*);
static SV*** (*Perl_Tstack_base_ptr)(register PerlInterpreter*);
static SV*** (*Perl_Tstack_max_ptr)(register PerlInterpreter*);
static I32* (*Perl_Ttmps_ix_ptr)(register PerlInterpreter*);
static I32* (*Perl_Ttmps_floor_ptr)(register PerlInterpreter*);
static I32** (*Perl_Tmarkstack_ptr_ptr)(register PerlInterpreter*);
static I32** (*Perl_Tmarkstack_max_ptr)(register PerlInterpreter*);
static SV** (*Perl_TSv_ptr)(register PerlInterpreter*);
static XPV** (*Perl_TXpv_ptr)(register PerlInterpreter*);
static STRLEN* (*Perl_Tna_ptr)(register PerlInterpreter*);
# else
/* Perl-5.18 has a different Perl_sv_free2 signature. */
#  if (PERL_REVISION == 5) && (PERL_VERSION >= 18)
static void (*Perl_sv_free2)(pTHX_ SV*, const U32);
#  else
static void (*Perl_sv_free2)(pTHX_ SV*);
#  endif
static void (*Perl_sys_init)(int* argc, char*** argv);
static void (*Perl_sys_term)(void);
static void (*Perl_call_list)(pTHX_ I32, AV*);
#  if (PERL_REVISION == 5) && (PERL_VERSION >= 14)
#  else
static SV** (*Perl_ISv_ptr)(register PerlInterpreter*);
static SV*** (*Perl_Istack_max_ptr)(register PerlInterpreter*);
static SV*** (*Perl_Istack_base_ptr)(register PerlInterpreter*);
static XPV** (*Perl_IXpv_ptr)(register PerlInterpreter*);
static I32* (*Perl_Itmps_ix_ptr)(register PerlInterpreter*);
static I32* (*Perl_Itmps_floor_ptr)(register PerlInterpreter*);
static STRLEN* (*Perl_Ina_ptr)(register PerlInterpreter*);
static I32** (*Perl_Imarkstack_ptr_ptr)(register PerlInterpreter*);
static I32** (*Perl_Imarkstack_max_ptr)(register PerlInterpreter*);
static SV*** (*Perl_Istack_sp_ptr)(register PerlInterpreter*);
static OP** (*Perl_Iop_ptr)(register PerlInterpreter*);
static I32* (*Perl_Iscopestack_ix_ptr)(register PerlInterpreter*);
static AV** (*Perl_Iunitcheckav_ptr)(register PerlInterpreter*);
#  endif
# endif
# if (PERL_REVISION == 5) && (PERL_VERSION >= 22)
static I32 (*Perl_xs_handshake)(const U32, void *, const char *, ...);
static void (*Perl_xs_boot_epilog)(pTHX_ const U32);
# endif

# if (PERL_REVISION == 5) && (PERL_VERSION >= 14)
#  ifdef USE_ITHREADS
static perl_key* dll_PL_thr_key;
#  endif
# else
static GV** (*Perl_Idefgv_ptr)(register PerlInterpreter*);
static GV** (*Perl_Ierrgv_ptr)(register PerlInterpreter*);
static SV* (*Perl_Isv_yes_ptr)(register PerlInterpreter*);
static perl_key* (*Perl_Gthr_key_ptr)_((pTHX));
# endif
static void (*boot_DynaLoader)_((pTHX_ CV*));
static HE * (*Perl_hv_iternext_flags)(pTHX_ HV *, I32);
static I32 (*Perl_hv_iterinit)(pTHX_ HV *);
static char * (*Perl_hv_iterkey)(pTHX_ HE *, I32 *);
static SV * (*Perl_hv_iterval)(pTHX_ HV *, HE *);
static SV** (*Perl_av_fetch)(pTHX_ AV *, SSize_t, I32);
static SSize_t (*Perl_av_len)(pTHX_ AV *);
static NV (*Perl_sv_2nv_flags)(pTHX_ SV *const, const I32);
# if defined(PERLIO_LAYERS) && !defined(USE_SFIO)
static IV (*PerlIOBase_pushed)(pTHX_ PerlIO *, const char *, SV *, PerlIO_funcs *);
static void (*PerlIO_define_layer)(pTHX_ PerlIO_funcs *);
# endif
# if (PERL_REVISION == 5) && (PERL_VERSION >= 24)
static void (*Perl_savetmps)(pTHX);
# endif

/*
 * Table of name to function pointer of perl.
 */
static struct {
    char* name;
    PERL_PROC* ptr;
} perl_funcname_table[] = {
    {"perl_alloc", (PERL_PROC*)&perl_alloc},
    {"perl_construct", (PERL_PROC*)&perl_construct},
    {"perl_destruct", (PERL_PROC*)&perl_destruct},
    {"perl_free", (PERL_PROC*)&perl_free},
    {"perl_run", (PERL_PROC*)&perl_run},
    {"perl_parse", (PERL_PROC*)&perl_parse},
    {"Perl_get_context", (PERL_PROC*)&Perl_get_context},
    {"Perl_croak", (PERL_PROC*)&Perl_croak},
# ifdef PERL5101_OR_LATER
    {"Perl_croak_xs_usage", (PERL_PROC*)&Perl_croak_xs_usage},
# endif
# ifdef PERL_IMPLICIT_CONTEXT
    {"Perl_croak_nocontext", (PERL_PROC*)&Perl_croak_nocontext},
# endif
    {"Perl_dowantarray", (PERL_PROC*)&Perl_dowantarray},
    {"Perl_free_tmps", (PERL_PROC*)&Perl_free_tmps},
    {"Perl_gv_stashpv", (PERL_PROC*)&Perl_gv_stashpv},
    {"Perl_markstack_grow", (PERL_PROC*)&Perl_markstack_grow},
    {"Perl_mg_find", (PERL_PROC*)&Perl_mg_find},
# if (PERL_REVISION == 5) && (PERL_VERSION >= 28)
    {"Perl_mg_get", (PERL_PROC*)&Perl_mg_get},
# endif
    {"Perl_newXS", (PERL_PROC*)&Perl_newXS},
    {"Perl_newSV", (PERL_PROC*)&Perl_newSV},
    {"Perl_newSViv", (PERL_PROC*)&Perl_newSViv},
    {"Perl_newSVpv", (PERL_PROC*)&Perl_newSVpv},
    {"Perl_call_argv", (PERL_PROC*)&Perl_call_argv},
    {"Perl_call_pv", (PERL_PROC*)&Perl_call_pv},
    {"Perl_eval_sv", (PERL_PROC*)&Perl_eval_sv},
    {"Perl_get_sv", (PERL_PROC*)&Perl_get_sv},
    {"Perl_eval_pv", (PERL_PROC*)&Perl_eval_pv},
    {"Perl_call_method", (PERL_PROC*)&Perl_call_method},
    {"Perl_pop_scope", (PERL_PROC*)&Perl_pop_scope},
    {"Perl_push_scope", (PERL_PROC*)&Perl_push_scope},
    {"Perl_save_int", (PERL_PROC*)&Perl_save_int},
# if (PERL_REVISION == 5) && (PERL_VERSION >= 20)
    {"Perl_save_strlen", (PERL_PROC*)&Perl_save_strlen},
# endif
    {"Perl_stack_grow", (PERL_PROC*)&Perl_stack_grow},
    {"Perl_set_context", (PERL_PROC*)&Perl_set_context},
# if (PERL_REVISION == 5) && (PERL_VERSION >= 14)
    {"Perl_sv_2bool_flags", (PERL_PROC*)&Perl_sv_2bool_flags},
#  if (PERL_REVISION == 5) && (PERL_VERSION < 22)
    {"Perl_xs_apiversion_bootcheck",(PERL_PROC*)&Perl_xs_apiversion_bootcheck},
#  endif
# else
    {"Perl_sv_2bool", (PERL_PROC*)&Perl_sv_2bool},
# endif
    {"Perl_sv_2iv", (PERL_PROC*)&Perl_sv_2iv},
    {"Perl_sv_2mortal", (PERL_PROC*)&Perl_sv_2mortal},
# if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
    {"Perl_sv_2pv_flags", (PERL_PROC*)&Perl_sv_2pv_flags},
    {"Perl_sv_2pv_nolen", (PERL_PROC*)&Perl_sv_2pv_nolen},
# else
    {"Perl_sv_2pv", (PERL_PROC*)&Perl_sv_2pv},
# endif
    {"Perl_sv_2pvbyte", (PERL_PROC*)&Perl_sv_2pvbyte},
# if (PERL_REVISION == 5) && (PERL_VERSION >= 32)
    {"Perl_sv_2pvbyte_flags", (PERL_PROC*)&Perl_sv_2pvbyte_flags},
# endif
# ifdef PERL589_OR_LATER
    {"Perl_sv_2iv_flags", (PERL_PROC*)&Perl_sv_2iv_flags},
    {"Perl_newXS_flags", (PERL_PROC*)&Perl_newXS_flags},
# endif
    {"Perl_sv_bless", (PERL_PROC*)&Perl_sv_bless},
# if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
    {"Perl_sv_catpvn_flags", (PERL_PROC*)&Perl_sv_catpvn_flags},
# else
    {"Perl_sv_catpvn", (PERL_PROC*)&Perl_sv_catpvn},
# endif
    {"Perl_sv_free", (PERL_PROC*)&Perl_sv_free},
    {"Perl_sv_isa", (PERL_PROC*)&Perl_sv_isa},
    {"Perl_sv_magic", (PERL_PROC*)&Perl_sv_magic},
    {"Perl_sv_setiv", (PERL_PROC*)&Perl_sv_setiv},
    {"Perl_sv_setpv", (PERL_PROC*)&Perl_sv_setpv},
    {"Perl_sv_setpvn", (PERL_PROC*)&Perl_sv_setpvn},
# if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
    {"Perl_sv_setsv_flags", (PERL_PROC*)&Perl_sv_setsv_flags},
# else
    {"Perl_sv_setsv", (PERL_PROC*)&Perl_sv_setsv},
# endif
    {"Perl_sv_upgrade", (PERL_PROC*)&Perl_sv_upgrade},
# if (PERL_REVISION == 5) && (PERL_VERSION < 10)
    {"Perl_Tstack_sp_ptr", (PERL_PROC*)&Perl_Tstack_sp_ptr},
    {"Perl_Top_ptr", (PERL_PROC*)&Perl_Top_ptr},
    {"Perl_Tstack_base_ptr", (PERL_PROC*)&Perl_Tstack_base_ptr},
    {"Perl_Tstack_max_ptr", (PERL_PROC*)&Perl_Tstack_max_ptr},
    {"Perl_Ttmps_ix_ptr", (PERL_PROC*)&Perl_Ttmps_ix_ptr},
    {"Perl_Ttmps_floor_ptr", (PERL_PROC*)&Perl_Ttmps_floor_ptr},
    {"Perl_Tmarkstack_ptr_ptr", (PERL_PROC*)&Perl_Tmarkstack_ptr_ptr},
    {"Perl_Tmarkstack_max_ptr", (PERL_PROC*)&Perl_Tmarkstack_max_ptr},
    {"Perl_TSv_ptr", (PERL_PROC*)&Perl_TSv_ptr},
    {"Perl_TXpv_ptr", (PERL_PROC*)&Perl_TXpv_ptr},
    {"Perl_Tna_ptr", (PERL_PROC*)&Perl_Tna_ptr},
# else
    {"Perl_sv_free2", (PERL_PROC*)&Perl_sv_free2},
    {"Perl_sys_init", (PERL_PROC*)&Perl_sys_init},
    {"Perl_sys_term", (PERL_PROC*)&Perl_sys_term},
    {"Perl_call_list", (PERL_PROC*)&Perl_call_list},
#  if (PERL_REVISION == 5) && (PERL_VERSION >= 14)
#  else
    {"Perl_ISv_ptr", (PERL_PROC*)&Perl_ISv_ptr},
    {"Perl_Istack_max_ptr", (PERL_PROC*)&Perl_Istack_max_ptr},
    {"Perl_Istack_base_ptr", (PERL_PROC*)&Perl_Istack_base_ptr},
    {"Perl_IXpv_ptr", (PERL_PROC*)&Perl_IXpv_ptr},
    {"Perl_Itmps_ix_ptr", (PERL_PROC*)&Perl_Itmps_ix_ptr},
    {"Perl_Itmps_floor_ptr", (PERL_PROC*)&Perl_Itmps_floor_ptr},
    {"Perl_Ina_ptr", (PERL_PROC*)&Perl_Ina_ptr},
    {"Perl_Imarkstack_ptr_ptr", (PERL_PROC*)&Perl_Imarkstack_ptr_ptr},
    {"Perl_Imarkstack_max_ptr", (PERL_PROC*)&Perl_Imarkstack_max_ptr},
    {"Perl_Istack_sp_ptr", (PERL_PROC*)&Perl_Istack_sp_ptr},
    {"Perl_Iop_ptr", (PERL_PROC*)&Perl_Iop_ptr},
    {"Perl_Iscopestack_ix_ptr", (PERL_PROC*)&Perl_Iscopestack_ix_ptr},
    {"Perl_Iunitcheckav_ptr", (PERL_PROC*)&Perl_Iunitcheckav_ptr},
#  endif
# endif
# if (PERL_REVISION == 5) && (PERL_VERSION >= 22)
    {"Perl_xs_handshake", (PERL_PROC*)&Perl_xs_handshake},
    {"Perl_xs_boot_epilog", (PERL_PROC*)&Perl_xs_boot_epilog},
# endif
# if (PERL_REVISION == 5) && (PERL_VERSION >= 14)
#  ifdef USE_ITHREADS
    {"PL_thr_key", (PERL_PROC*)&dll_PL_thr_key},
#  endif
# else
    {"Perl_Idefgv_ptr", (PERL_PROC*)&Perl_Idefgv_ptr},
    {"Perl_Ierrgv_ptr", (PERL_PROC*)&Perl_Ierrgv_ptr},
    {"Perl_Isv_yes_ptr", (PERL_PROC*)&Perl_Isv_yes_ptr},
    {"Perl_Gthr_key_ptr", (PERL_PROC*)&Perl_Gthr_key_ptr},
# endif
    {"boot_DynaLoader", (PERL_PROC*)&boot_DynaLoader},
    {"Perl_hv_iternext_flags", (PERL_PROC*)&Perl_hv_iternext_flags},
    {"Perl_hv_iterinit", (PERL_PROC*)&Perl_hv_iterinit},
    {"Perl_hv_iterkey", (PERL_PROC*)&Perl_hv_iterkey},
    {"Perl_hv_iterval", (PERL_PROC*)&Perl_hv_iterval},
    {"Perl_av_fetch", (PERL_PROC*)&Perl_av_fetch},
    {"Perl_av_len", (PERL_PROC*)&Perl_av_len},
    {"Perl_sv_2nv_flags", (PERL_PROC*)&Perl_sv_2nv_flags},
# if defined(PERLIO_LAYERS) && !defined(USE_SFIO)
    {"PerlIOBase_pushed", (PERL_PROC*)&PerlIOBase_pushed},
    {"PerlIO_define_layer", (PERL_PROC*)&PerlIO_define_layer},
# endif
# if (PERL_REVISION == 5) && (PERL_VERSION >= 24)
    {"Perl_savetmps", (PERL_PROC*)&Perl_savetmps},
# endif
    {"", NULL},
};

/* Work around for perl-5.18.
 * For now, only the definitions of S_SvREFCNT_dec are needed in
 * "perl\lib\CORE\inline.h". */
# if (PERL_REVISION == 5) && (PERL_VERSION >= 18)
static void
S_SvREFCNT_dec(pTHX_ SV *sv)
{
    if (LIKELY(sv != NULL)) {
	U32 rc = SvREFCNT(sv);
	if (LIKELY(rc > 1))
	    SvREFCNT(sv) = rc - 1;
	else
	    Perl_sv_free2(aTHX_ sv, rc);
    }
}
# endif

/* perl-5.32 needs Perl_SvREFCNT_dec */
# if (PERL_REVISION == 5) && (PERL_VERSION >= 32)
#  define Perl_SvREFCNT_dec S_SvREFCNT_dec
# endif

/* perl-5.26 also needs S_TOPMARK and S_POPMARK. */
# if (PERL_REVISION == 5) && (PERL_VERSION >= 26)
PERL_STATIC_INLINE I32
S_TOPMARK(pTHX)
{
    DEBUG_s(DEBUG_v(PerlIO_printf(Perl_debug_log,
				 "MARK top  %p %" IVdf "\n",
				  PL_markstack_ptr,
				  (IV)*PL_markstack_ptr)));
    return *PL_markstack_ptr;
}

PERL_STATIC_INLINE I32
S_POPMARK(pTHX)
{
    DEBUG_s(DEBUG_v(PerlIO_printf(Perl_debug_log,
				 "MARK pop  %p %" IVdf "\n",
				  (PL_markstack_ptr-1),
				  (IV)*(PL_markstack_ptr-1))));
    assert((PL_markstack_ptr > PL_markstack) || !"MARK underflow");
    return *PL_markstack_ptr--;
}
# endif

/* perl-5.32 needs Perl_POPMARK */
# if (PERL_REVISION == 5) && (PERL_VERSION >= 32)
#  define Perl_POPMARK S_POPMARK

/* perl-5.32 needs Perl_SvTRUE */
PERL_STATIC_INLINE bool
Perl_SvTRUE(pTHX_ SV *sv) {
    if (!LIKELY(sv))
        return FALSE;
    SvGETMAGIC(sv);
    return SvTRUE_nomg_NN(sv);
}
# endif

/*
 * Make all runtime-links of perl.
 *
 * 1. Get module handle using dlopen() or vimLoadLib().
 * 2. Get pointer to perl function by GetProcAddress.
 * 3. Repeat 2, until get all functions will be used.
 *
 * Parameter 'libname' provides name of DLL.
 * Return OK or FAIL.
 */
    static int
perl_runtime_link_init(char *libname, int verbose)
{
    int i;

    if (hPerlLib != NULL)
	return OK;
    if ((hPerlLib = load_dll(libname)) == NULL)
    {
	if (verbose)
	    semsg(_("E370: Could not load library %s"), libname);
	return FAIL;
    }
    for (i = 0; perl_funcname_table[i].ptr; ++i)
    {
	if (!(*perl_funcname_table[i].ptr = symbol_from_dll(hPerlLib,
			perl_funcname_table[i].name)))
	{
	    close_dll(hPerlLib);
	    hPerlLib = NULL;
	    if (verbose)
		semsg((const char *)_(e_loadfunc), perl_funcname_table[i].name);
	    return FAIL;
	}
    }
    return OK;
}

/*
 * If runtime-link-perl(DLL) was loaded successfully, return TRUE.
 * There were no DLL loaded, return FALSE.
 */
    int
perl_enabled(int verbose)
{
    return perl_runtime_link_init((char *)p_perldll, verbose) == OK;
}
#endif /* DYNAMIC_PERL */

#if defined(PERLIO_LAYERS) && !defined(USE_SFIO)
static void vim_IOLayer_init(void);
#endif

/*
 * perl_init(): initialize perl interpreter
 * We have to call perl_parse to initialize some structures,
 * there's nothing to actually parse.
 */
    static void
perl_init(void)
{
    char *bootargs[] = { "VI", NULL };
    int argc = 3;
    static char *argv[] = { "", "-e", "" };

#if (PERL_REVISION == 5) && (PERL_VERSION >= 10)
    Perl_sys_init(&argc, (char***)&argv);
#endif
    perl_interp = perl_alloc();
    perl_construct(perl_interp);
    perl_parse(perl_interp, xs_init, argc, argv, 0);
    perl_call_argv("VIM::bootstrap", (long)G_DISCARD, bootargs);
    VIM_init();
#ifdef USE_SFIO
    sfdisc(PerlIO_stdout(), sfdcnewvim());
    sfdisc(PerlIO_stderr(), sfdcnewvim());
    sfsetbuf(PerlIO_stdout(), NULL, 0);
    sfsetbuf(PerlIO_stderr(), NULL, 0);
#elif defined(PERLIO_LAYERS)
    vim_IOLayer_init();
#endif
}

/*
 * Clean up after ourselves.
 */
    void
perl_end(void)
{
    if (perl_interp)
    {
	perl_run(perl_interp);
	perl_destruct(perl_interp);
	perl_free(perl_interp);
	perl_interp = NULL;
#if (PERL_REVISION == 5) && (PERL_VERSION >= 10)
	Perl_sys_term();
#endif
    }
}

/*
 * msg_split(): send a message to the message handling routines
 * split at '\n' first though.
 */
    void
msg_split(
    char_u	*s,
    int		attr)	/* highlighting attributes */
{
    char *next;
    char *token = (char *)s;

    while ((next = strchr(token, '\n')) && !got_int)
    {
	*next++ = '\0';			/* replace \n with \0 */
	msg_attr(token, attr);
	token = next;
    }
    if (*token && !got_int)
	msg_attr(token, attr);
}

#ifndef FEAT_EVAL
/*
 * This stub is needed because an "#ifdef FEAT_EVAL" around Eval() doesn't
 * work properly.
 */
    char_u *
eval_to_string(
    char_u	*arg UNUSED,
    int		dolist UNUSED)
{
    return NULL;
}
#endif

/*
 * Create a new reference to an SV pointing to the SCR structure
 * The b_perl_private/w_perl_private part of the SCR structure points to the
 * SV, so there can only be one such SV for a particular SCR structure.  When
 * the last reference has gone (DESTROY is called),
 * b_perl_private/w_perl_private is reset; When the screen goes away before
 * all references are gone, the value of the SV is reset;
 * any subsequent use of any of those reference will produce
 * a warning. (see typemap)
 */

    static SV *
newWINrv(SV *rv, win_T *ptr)
{
    sv_upgrade(rv, SVt_RV);
    if (ptr->w_perl_private == NULL)
    {
	ptr->w_perl_private = newSV(0);
	sv_setiv(ptr->w_perl_private, PTR2IV(ptr));
    }
    SvREFCNT_inc_void_NN(ptr->w_perl_private);
    SvRV(rv) = ptr->w_perl_private;
    SvROK_on(rv);
    return sv_bless(rv, gv_stashpv("VIWIN", TRUE));
}

    static SV *
newBUFrv(SV *rv, buf_T *ptr)
{
    sv_upgrade(rv, SVt_RV);
    if (ptr->b_perl_private == NULL)
    {
	ptr->b_perl_private = newSV(0);
	sv_setiv(ptr->b_perl_private, PTR2IV(ptr));
    }
    SvREFCNT_inc_void_NN(ptr->b_perl_private);
    SvRV(rv) = ptr->b_perl_private;
    SvROK_on(rv);
    return sv_bless(rv, gv_stashpv("VIBUF", TRUE));
}

#if 0
SV *__sv_save[1024];
int __sv_save_ix;
#  define D_Save_Sv(sv) do { if (__sv_save_ix < 1024) __sv_save[__sv_save_ix++] = (sv); } while (0)
#else
#  define D_Save_Sv(sv) NOOP
#endif

/*
 * perl_win_free
 *	Remove all references to the window to be destroyed
 */
    void
perl_win_free(win_T *wp)
{
    if (wp->w_perl_private && perl_interp != NULL)
    {
	SV *sv = (SV*)wp->w_perl_private;
	D_Save_Sv(sv);
	sv_setiv(sv, 0);
	SvREFCNT_dec(sv);
    }
    wp->w_perl_private = NULL;
}

    void
perl_buf_free(buf_T *bp)
{
    if (bp->b_perl_private && perl_interp != NULL)
    {
	SV *sv = (SV *)bp->b_perl_private;
	D_Save_Sv(sv);
	sv_setiv(sv, 0);
	SvREFCNT_dec(sv);
    }
    bp->b_perl_private = NULL;
}

#ifndef PROTO
# if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
I32 cur_val(pTHX_ IV iv, SV *sv);
# else
I32 cur_val(IV iv, SV *sv);
# endif

/*
 * Handler for the magic variables $main::curwin and $main::curbuf.
 * The handler is put into the magic vtbl for these variables.
 * (This is effectively a C-level equivalent of a tied variable).
 * There is no "set" function as the variables are read-only.
 */
# if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
I32 cur_val(pTHX_ IV iv, SV *sv)
# else
I32 cur_val(IV iv, SV *sv)
# endif
{
    SV *rv;

    if (iv == 0)
	rv = newWINrv(newSV(0), curwin);
    else
	rv = newBUFrv(newSV(0), curbuf);

    if (SvRV(sv) != SvRV(rv))
	// XXX: This magic variable is a bit confusing...
	// Is currently refcounted ?
	sv_setsv(sv, rv);

    SvREFCNT_dec(rv);

    return 0;
}
#endif /* !PROTO */

struct ufuncs cw_funcs = { cur_val, 0, 0 };
struct ufuncs cb_funcs = { cur_val, 0, 1 };

/*
 * VIM_init(): Vim-specific initialisation.
 * Make the magical main::curwin and main::curbuf variables
 */
    static void
VIM_init(void)
{
    static char cw[] = "main::curwin";
    static char cb[] = "main::curbuf";
    SV *sv;

    sv = perl_get_sv(cw, TRUE);
    sv_magic(sv, NULL, 'U', (char *)&cw_funcs, sizeof(cw_funcs));
    SvREADONLY_on(sv);

    sv = perl_get_sv(cb, TRUE);
    sv_magic(sv, NULL, 'U', (char *)&cb_funcs, sizeof(cb_funcs));
    SvREADONLY_on(sv);

    /*
     * Setup the Safe compartment.
     * It shouldn't be a fatal error if the Safe module is missing.
     * XXX: Only shares the 'Msg' routine (which has to be called
     * like 'Msg(...)').
     */
    (void)perl_eval_pv( "if ( eval( 'require Safe' ) ) { $VIM::safe = Safe->new(); $VIM::safe->share_from( 'VIM', ['Msg'] ); }", G_DISCARD | G_VOID );

}

#ifdef DYNAMIC_PERL
static char *e_noperl = N_("Sorry, this command is disabled: the Perl library could not be loaded.");
#endif
static char *e_perlsandbox = N_("E299: Perl evaluation forbidden in sandbox without the Safe module");

/*
 * ":perl"
 */
    void
ex_perl(exarg_T *eap)
{
    char	*err;
    char	*script;
    STRLEN	length;
    SV		*sv;
#ifdef HAVE_SANDBOX
    SV		*safe;
#endif

    script = (char *)script_get(eap, eap->arg);
    if (eap->skip)
    {
	vim_free(script);
	return;
    }

    if (perl_interp == NULL)
    {
#ifdef DYNAMIC_PERL
	if (!perl_enabled(TRUE))
	{
	    emsg(_(e_noperl));
	    vim_free(script);
	    return;
	}
#endif
	perl_init();
    }

    {
    dSP;
    ENTER;
    SAVETMPS;

    if (script == NULL)
	sv = newSVpv((char *)eap->arg, 0);
    else
    {
	sv = newSVpv(script, 0);
	vim_free(script);
    }

    if (sandbox || secure)
    {
	safe = perl_get_sv("VIM::safe", FALSE);
# ifndef MAKE_TEST  /* avoid a warning for unreachable code */
	if (safe == NULL || !SvTRUE(safe))
	    emsg(_(e_perlsandbox));
	else
# endif
	{
	    PUSHMARK(SP);
	    XPUSHs(safe);
	    XPUSHs(sv);
	    PUTBACK;
	    perl_call_method("reval", G_DISCARD);
	}
    }
    else
	perl_eval_sv(sv, G_DISCARD | G_NOARGS);

    SvREFCNT_dec(sv);

    err = SvPV(GvSV(PL_errgv), length);

    FREETMPS;
    LEAVE;

    if (!length)
	return;

    msg_split((char_u *)err, highlight_attr[HLF_E]);
    return;
    }
}

    static int
replace_line(linenr_T *line, linenr_T *end)
{
    char *str;

    if (SvOK(GvSV(PL_defgv)))
    {
	str = SvPV(GvSV(PL_defgv), PL_na);
	ml_replace(*line, (char_u *)str, 1);
	changed_bytes(*line, 0);
    }
    else
    {
	ml_delete(*line);
	deleted_lines_mark(*line, 1L);
	--(*end);
	--(*line);
    }
    return OK;
}

static struct ref_map_S {
    void *vim_ref;
    SV   *perl_ref;
    struct ref_map_S *next;
} *ref_map = NULL;

    static void
ref_map_free(void)
{
    struct ref_map_S *tofree;
    struct ref_map_S *refs = ref_map;

    while (refs) {
	tofree = refs;
	refs = refs->next;
	vim_free(tofree);
    }
    ref_map = NULL;
}

    static struct ref_map_S *
ref_map_find_SV(SV *const sv)
{
    struct ref_map_S *refs = ref_map;
    int count = 350;

    while (refs) {
	if (refs->perl_ref == sv)
	    break;
	refs = refs->next;
	count--;
    }

    if (!refs && count > 0) {
	refs = (struct ref_map_S *)alloc(sizeof(struct ref_map_S));
	if (!refs)
	    return NULL;
	refs->perl_ref = sv;
	refs->vim_ref = NULL;
	refs->next = ref_map;
	ref_map = refs;
    }

    return refs;
}

    static int
perl_to_vim(SV *sv, typval_T *rettv)
{
    if (SvROK(sv))
	sv = SvRV(sv);

    switch (SvTYPE(sv)) {
	case SVt_NULL:
	    break;
	case SVt_NV:	/* float */
#ifdef FEAT_FLOAT
	    rettv->v_type	= VAR_FLOAT;
	    rettv->vval.v_float = SvNV(sv);
	    break;
#endif
	case SVt_IV:	/* integer */
	    if (!SvROK(sv)) { /* references should be string */
		rettv->vval.v_number = SvIV(sv);
		break;
	    }
	    /* FALLTHROUGH */
	case SVt_PV:	/* string */
	{
	    size_t  len		= 0;
	    char *  str_from	= SvPV(sv, len);
	    char_u *str_to	= (char_u*)alloc(
				      (unsigned)(sizeof(char_u) * (len + 1)));

	    if (str_to) {
		str_to[len] = '\0';

		while (len--) {
		    if (str_from[len] == '\0')
			str_to[len] = '\n';
		    else
			str_to[len] = str_from[len];
		}
	    }

	    rettv->v_type	    = VAR_STRING;
	    rettv->vval.v_string    = str_to;
	    break;
	}
	case SVt_PVAV:	/* list */
	{
	    SSize_t		size;
	    listitem_T *	item;
	    SV **		item2;
	    list_T *		list;
	    struct ref_map_S *	refs;

	    if ((refs = ref_map_find_SV(sv)) == NULL)
		return FAIL;

	    if (refs->vim_ref)
		list = (list_T *) refs->vim_ref;
	    else
	    {
		if ((list = list_alloc()) == NULL)
		    return FAIL;
		refs->vim_ref = list;

		for (size = av_len((AV*)sv); size >= 0; size--)
		{
		    if ((item = listitem_alloc()) == NULL)
			break;

		    item->li_tv.v_type		= VAR_NUMBER;
		    item->li_tv.v_lock		= 0;
		    item->li_tv.vval.v_number	= 0;
		    list_insert(list, item, list->lv_first);

		    item2 = av_fetch((AV *)sv, size, 0);

		    if (item2 == NULL || *item2 == NULL ||
				    perl_to_vim(*item2, &item->li_tv) == FAIL)
			break;
		}
	    }

	    rettv_list_set(rettv, list);
	    break;
	}
	case SVt_PVHV:	/* dictionary */
	{
	    HE *		entry;
	    I32			key_len;
	    char *		key;
	    dictitem_T *	item;
	    SV *		item2;
	    dict_T *		dict;
	    struct ref_map_S *	refs;

	    if ((refs = ref_map_find_SV(sv)) == NULL)
		return FAIL;

	    if (refs->vim_ref)
		dict = (dict_T *) refs->vim_ref;
	    else
	    {

		if ((dict = dict_alloc()) == NULL)
		    return FAIL;
		refs->vim_ref = dict;

		hv_iterinit((HV *)sv);

		for (entry = hv_iternext((HV *)sv); entry; entry = hv_iternext((HV *)sv))
		{
		    key_len = 0;
		    key = hv_iterkey(entry, &key_len);

		    if (!key || !key_len || strlen(key) < (size_t)key_len) {
			semsg("Malformed key Dictionary '%s'", key && *key ? key : "(empty)");
			break;
		    }

		    if ((item = dictitem_alloc((char_u *)key)) == NULL)
			break;
		    item->di_tv.v_type = VAR_NUMBER;
		    item->di_tv.vval.v_number = 0;

		    if (dict_add(dict, item) == FAIL) {
			dictitem_free(item);
			break;
		    }
		    item2 = hv_iterval((HV *)sv, entry);
		    if (item2 == NULL || perl_to_vim(item2, &item->di_tv) == FAIL)
			break;
		}
	    }

	    rettv_dict_set(rettv, dict);
	    break;
	}
	default:	/* not convertible */
	{
	    char *val	    = SvPV_nolen(sv);
	    rettv->v_type   = VAR_STRING;
	    rettv->vval.v_string = val ? vim_strsave((char_u *)val) : NULL;
	    break;
	}
    }
    return OK;
}

/*
 * "perleval()"
 */
    void
do_perleval(char_u *str, typval_T *rettv)
{
    char	*err = NULL;
    STRLEN	err_len = 0;
    SV		*sv = NULL;
#ifdef HAVE_SANDBOX
    SV		*safe;
#endif

    if (perl_interp == NULL)
    {
#ifdef DYNAMIC_PERL
	if (!perl_enabled(TRUE))
	{
	    emsg(_(e_noperl));
	    return;
	}
#endif
	perl_init();
    }

    {
	dSP;
	ENTER;
	SAVETMPS;

	if (sandbox || secure)
	{
	    safe = get_sv("VIM::safe", FALSE);
# ifndef MAKE_TEST  /* avoid a warning for unreachable code */
	    if (safe == NULL || !SvTRUE(safe))
		emsg(_(e_perlsandbox));
	    else
# endif
	    {
		sv = newSVpv((char *)str, 0);
		PUSHMARK(SP);
		XPUSHs(safe);
		XPUSHs(sv);
		PUTBACK;
		call_method("reval", G_SCALAR);
		SPAGAIN;
		SvREFCNT_dec(sv);
		sv = POPs;
	    }
	}
	else
	    sv = eval_pv((char *)str, 0);

	if (sv) {
	    perl_to_vim(sv, rettv);
	    ref_map_free();
	    err = SvPV(GvSV(PL_errgv), err_len);
	}
	PUTBACK;
	FREETMPS;
	LEAVE;
    }
    if (err_len)
	msg_split((char_u *)err, highlight_attr[HLF_E]);
}

/*
 * ":perldo".
 */
    void
ex_perldo(exarg_T *eap)
{
    STRLEN	length;
    SV		*sv;
    char	*str;
    linenr_T	i;
    buf_T	*was_curbuf = curbuf;

    if (BUFEMPTY())
	return;

    if (perl_interp == NULL)
    {
#ifdef DYNAMIC_PERL
	if (!perl_enabled(TRUE))
	{
	    emsg(_(e_noperl));
	    return;
	}
#endif
	perl_init();
    }
    {
    dSP;
    length = strlen((char *)eap->arg);
    sv = newSV(length + sizeof("sub VIM::perldo {") - 1 + 1);
    sv_setpvn(sv, "sub VIM::perldo {", sizeof("sub VIM::perldo {") - 1);
    sv_catpvn(sv, (char *)eap->arg, length);
    sv_catpvn(sv, "}", 1);
    perl_eval_sv(sv, G_DISCARD | G_NOARGS);
    SvREFCNT_dec(sv);
    str = SvPV(GvSV(PL_errgv), length);
    if (length)
	goto err;

    if (u_save(eap->line1 - 1, eap->line2 + 1) != OK)
	return;

    ENTER;
    SAVETMPS;
    for (i = eap->line1; i <= eap->line2; i++)
    {
	/* Check the line number, the command my have deleted lines. */
	if (i > curbuf->b_ml.ml_line_count)
	    break;
	sv_setpv(GvSV(PL_defgv), (char *)ml_get(i));
	PUSHMARK(sp);
	perl_call_pv("VIM::perldo", G_SCALAR | G_EVAL);
	str = SvPV(GvSV(PL_errgv), length);
	if (length || curbuf != was_curbuf)
	    break;
	SPAGAIN;
	if (SvTRUEx(POPs))
	{
	    if (replace_line(&i, &eap->line2) != OK)
	    {
		PUTBACK;
		break;
	    }
	}
	PUTBACK;
    }
    FREETMPS;
    LEAVE;
    check_cursor();
    update_screen(NOT_VALID);
    if (!length)
	return;

err:
    msg_split((char_u *)str, highlight_attr[HLF_E]);
    return;
    }
}

#if defined(PERLIO_LAYERS) && !defined(USE_SFIO)
typedef struct {
    struct _PerlIO base;
    int attr;
} PerlIOVim;

    static IV
PerlIOVim_pushed(pTHX_ PerlIO *f, const char *mode,
		 SV *arg, PerlIO_funcs *tab)
{
    PerlIOVim *s = PerlIOSelf(f, PerlIOVim);
    s->attr = 0;
    if (arg && SvPOK(arg))
	s->attr = syn_name2attr((char_u *)SvPV_nolen(arg));
    return PerlIOBase_pushed(aTHX_ f, mode, (SV *)NULL, tab);
}

    static SSize_t
PerlIOVim_write(pTHX_ PerlIO *f, const void *vbuf, Size_t count)
{
    char_u *str;
    PerlIOVim * s = PerlIOSelf(f, PerlIOVim);

    str = vim_strnsave((char_u *)vbuf, count);
    if (str == NULL)
	return 0;
    msg_split((char_u *)str, s->attr);
    vim_free(str);

    return (SSize_t)count;
}

static PERLIO_FUNCS_DECL(PerlIO_Vim) = {
    sizeof(PerlIO_funcs),
    "Vim",
    sizeof(PerlIOVim),
    PERLIO_K_DUMMY,	/* flags */
    PerlIOVim_pushed,
    NULL,		/* popped */
    NULL,		/* open */
    NULL,		/* binmode */
    NULL,		/* arg */
    NULL,		/* fileno */
    NULL,		/* dup */
    NULL,		/* read */
    NULL,		/* unread */
    PerlIOVim_write,
    NULL,		/* seek */
    NULL,		/* tell */
    NULL,		/* close */
    NULL,		/* flush */
    NULL,		/* fill */
    NULL,		/* eof */
    NULL,		/* error */
    NULL,		/* clearerr */
    NULL,		/* setlinebuf */
    NULL,		/* get_base */
    NULL,		/* get_bufsiz */
    NULL,		/* get_ptr */
    NULL,		/* get_cnt */
    NULL		/* set_ptrcnt */
};

/* Use Vim routine for print operator */
    static void
vim_IOLayer_init(void)
{
    PerlIO_define_layer(aTHX_ PERLIO_FUNCS_CAST(&PerlIO_Vim));
    (void)eval_pv(   "binmode(STDOUT, ':Vim')"
                "  && binmode(STDERR, ':Vim(ErrorMsg)');", 0);
}
#endif /* PERLIO_LAYERS && !USE_SFIO */

XS(boot_VIM);

    static void
xs_init(pTHX)
{
    char *file = __FILE__;

    /* DynaLoader is a special case */
    newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
    newXS("VIM::bootstrap", boot_VIM, file);
}

typedef win_T *	VIWIN;
typedef buf_T *	VIBUF;

MODULE = VIM	    PACKAGE = VIM

void
Msg(text, hl=NULL)
    char	*text;
    char	*hl;

    PREINIT:
    int		attr;

    PPCODE:
    if (text != NULL)
    {
	attr = 0;
	if (hl != NULL)
	    attr = syn_name2attr((char_u *)hl);
	msg_split((char_u *)text, attr);
    }

void
SetOption(line)
    char *line;

    PPCODE:
    if (line != NULL)
	do_set((char_u *)line, 0);
    update_screen(NOT_VALID);

void
DoCommand(line)
    char *line;

    PPCODE:
    if (line != NULL)
	do_cmdline_cmd((char_u *)line);

void
Eval(str)
    char *str;

    PREINIT:
	char_u *value;
    PPCODE:
	value = eval_to_string((char_u *)str, TRUE);
	if (value == NULL)
	{
	    XPUSHs(sv_2mortal(newSViv(0)));
	    XPUSHs(sv_2mortal(newSVpv("", 0)));
	}
	else
	{
	    XPUSHs(sv_2mortal(newSViv(1)));
	    XPUSHs(sv_2mortal(newSVpv((char *)value, 0)));
	    vim_free(value);
	}

SV*
Blob(SV* sv)
    PREINIT:
    STRLEN	len;
    char	*s;
    unsigned	i;
    char	buf[3];
    SV*		newsv;

    CODE:
    s = SvPVbyte(sv, len);
    newsv = newSVpv("0z", 2);
    for (i = 0; i < len; i++)
    {
	sprintf(buf, "%02X", (unsigned char)(s[i]));
	sv_catpvn(newsv, buf, 2);
    }
    RETVAL = newsv;
    OUTPUT:
    RETVAL

void
Buffers(...)

    PREINIT:
    buf_T *vimbuf;
    int i, b;

    PPCODE:
    if (items == 0)
    {
	if (GIMME == G_SCALAR)
	{
	    i = 0;
	    FOR_ALL_BUFFERS(vimbuf)
		++i;

	    XPUSHs(sv_2mortal(newSViv(i)));
	}
	else
	{
	    FOR_ALL_BUFFERS(vimbuf)
		XPUSHs(sv_2mortal(newBUFrv(newSV(0), vimbuf)));
	}
    }
    else
    {
	for (i = 0; i < items; i++)
	{
	    SV *sv = ST(i);
	    if (SvIOK(sv))
		b = (int) SvIV(ST(i));
	    else
	    {
		char_u *pat;
		STRLEN len;

		pat = (char_u *)SvPV(sv, len);
		++emsg_off;
		b = buflist_findpat(pat, pat + len, TRUE, FALSE, FALSE);
		--emsg_off;
	    }

	    if (b >= 0)
	    {
		vimbuf = buflist_findnr(b);
		if (vimbuf)
		    XPUSHs(sv_2mortal(newBUFrv(newSV(0), vimbuf)));
	    }
	}
    }

void
Windows(...)

    PREINIT:
    win_T   *vimwin;
    int	    i, w;

    PPCODE:
    if (items == 0)
    {
	if (GIMME == G_SCALAR)
	    XPUSHs(sv_2mortal(newSViv(win_count())));
	else
	{
	    FOR_ALL_WINDOWS(vimwin)
		XPUSHs(sv_2mortal(newWINrv(newSV(0), vimwin)));
	}
    }
    else
    {
	for (i = 0; i < items; i++)
	{
	    w = (int) SvIV(ST(i));
	    vimwin = win_find_nr(w);
	    if (vimwin)
		XPUSHs(sv_2mortal(newWINrv(newSV(0), vimwin)));
	}
    }

MODULE = VIM	    PACKAGE = VIWIN

void
DESTROY(win)
    VIWIN win

    CODE:
    if (win_valid(win))
	win->w_perl_private = 0;

SV *
Buffer(win)
    VIWIN win

    CODE:
    if (!win_valid(win))
	win = curwin;
    RETVAL = newBUFrv(newSV(0), win->w_buffer);
    OUTPUT:
    RETVAL

void
SetHeight(win, height)
    VIWIN win
    int height;

    PREINIT:
    win_T *savewin;

    PPCODE:
    if (!win_valid(win))
	win = curwin;
    savewin = curwin;
    curwin = win;
    win_setheight(height);
    curwin = savewin;

void
Cursor(win, ...)
    VIWIN win

    PPCODE:
    if (items == 1)
    {
      EXTEND(sp, 2);
      if (!win_valid(win))
	  win = curwin;
      PUSHs(sv_2mortal(newSViv(win->w_cursor.lnum)));
      PUSHs(sv_2mortal(newSViv(win->w_cursor.col)));
    }
    else if (items == 3)
    {
      int lnum, col;

      if (!win_valid(win))
	  win = curwin;
      lnum = (int) SvIV(ST(1));
      col = (int) SvIV(ST(2));
      win->w_cursor.lnum = lnum;
      win->w_cursor.col = col;
      win->w_set_curswant = TRUE;
      check_cursor();		    /* put cursor on an existing line */
      update_screen(NOT_VALID);
    }

MODULE = VIM	    PACKAGE = VIBUF

void
DESTROY(vimbuf)
    VIBUF vimbuf;

    CODE:
    if (buf_valid(vimbuf))
	vimbuf->b_perl_private = 0;

void
Name(vimbuf)
    VIBUF vimbuf;

    PPCODE:
    if (!buf_valid(vimbuf))
	vimbuf = curbuf;
    /* No file name returns an empty string */
    if (vimbuf->b_fname == NULL)
	XPUSHs(sv_2mortal(newSVpv("", 0)));
    else
	XPUSHs(sv_2mortal(newSVpv((char *)vimbuf->b_fname, 0)));

void
Number(vimbuf)
    VIBUF vimbuf;

    PPCODE:
    if (!buf_valid(vimbuf))
	vimbuf = curbuf;
    XPUSHs(sv_2mortal(newSViv(vimbuf->b_fnum)));

void
Count(vimbuf)
    VIBUF vimbuf;

    PPCODE:
    if (!buf_valid(vimbuf))
	vimbuf = curbuf;
    XPUSHs(sv_2mortal(newSViv(vimbuf->b_ml.ml_line_count)));

void
Get(vimbuf, ...)
    VIBUF vimbuf;

    PREINIT:
    char_u *line;
    int i;
    long lnum;
    PPCODE:
    if (buf_valid(vimbuf))
    {
	for (i = 1; i < items; i++)
	{
	    lnum = (long) SvIV(ST(i));
	    if (lnum > 0 && lnum <= vimbuf->b_ml.ml_line_count)
	    {
		line = ml_get_buf(vimbuf, lnum, FALSE);
		XPUSHs(sv_2mortal(newSVpv((char *)line, 0)));
	    }
	}
    }

void
Set(vimbuf, ...)
    VIBUF vimbuf;

    PREINIT:
    int i;
    long lnum;
    char *line;
    PPCODE:
    if (buf_valid(vimbuf))
    {
	if (items < 3)
	    croak("Usage: VIBUF::Set(vimbuf, lnum, @lines)");

	lnum = (long) SvIV(ST(1));
	for(i = 2; i < items; i++, lnum++)
	{
	    line = SvPV(ST(i),PL_na);
	    if (lnum > 0 && lnum <= vimbuf->b_ml.ml_line_count && line != NULL)
	    {
		aco_save_T	aco;

		/* set curwin/curbuf for "vimbuf" and save some things */
		aucmd_prepbuf(&aco, vimbuf);

		if (u_savesub(lnum) == OK)
		{
		    ml_replace(lnum, (char_u *)line, TRUE);
		    changed_bytes(lnum, 0);
		}

		/* restore curwin/curbuf and a few other things */
		aucmd_restbuf(&aco);
		/* Careful: autocommands may have made "vimbuf" invalid! */
	    }
	}
    }

void
Delete(vimbuf, ...)
    VIBUF vimbuf;

    PREINIT:
    long i, lnum = 0, count = 0;
    PPCODE:
    if (buf_valid(vimbuf))
    {
	if (items == 2)
	{
	    lnum = (long) SvIV(ST(1));
	    count = 1;
	}
	else if (items == 3)
	{
	    lnum = (long) SvIV(ST(1));
	    count = (long) 1 + SvIV(ST(2)) - lnum;
	    if (count == 0)
		count = 1;
	    if (count < 0)
	    {
		lnum -= count;
		count = -count;
	    }
	}
	if (items >= 2)
	{
	    for (i = 0; i < count; i++)
	    {
		if (lnum > 0 && lnum <= vimbuf->b_ml.ml_line_count)
		{
		    aco_save_T	aco;

		    /* set curwin/curbuf for "vimbuf" and save some things */
		    aucmd_prepbuf(&aco, vimbuf);

		    if (u_savedel(lnum, 1) == OK)
		    {
			ml_delete(lnum);
			check_cursor();
			deleted_lines_mark(lnum, 1L);
		    }

		    /* restore curwin/curbuf and a few other things */
		    aucmd_restbuf(&aco);
		    /* Careful: autocommands may have made "vimbuf" invalid! */

		    update_curbuf(VALID);
		}
	    }
	}
    }

void
Append(vimbuf, ...)
    VIBUF vimbuf;

    PREINIT:
    int		i;
    long	lnum;
    char	*line;
    PPCODE:
    if (buf_valid(vimbuf))
    {
	if (items < 3)
	    croak("Usage: VIBUF::Append(vimbuf, lnum, @lines)");

	lnum = (long) SvIV(ST(1));
	for (i = 2; i < items; i++, lnum++)
	{
	    line = SvPV(ST(i),PL_na);
	    if (lnum >= 0 && lnum <= vimbuf->b_ml.ml_line_count && line != NULL)
	    {
		aco_save_T	aco;

		/* set curwin/curbuf for "vimbuf" and save some things */
		aucmd_prepbuf(&aco, vimbuf);

		if (u_inssub(lnum + 1) == OK)
		{
		    ml_append(lnum, (char_u *)line, (colnr_T)0, FALSE);
		    appended_lines_mark(lnum, 1L);
		}

		/* restore curwin/curbuf and a few other things */
		aucmd_restbuf(&aco);
		/* Careful: autocommands may have made "vimbuf" invalid! */

		update_curbuf(VALID);
	    }
	}
    }

#ifdef __GNUC__
# pragma GCC diagnostic pop
#endif