This file is indexed.

/usr/share/pygobject/2.0/codegen/codegen.py is in python-gobject-2-dev 2.28.6-13.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

   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
#! /usr/bin/python

import getopt
import keyword
import os
import string
import sys

import argtypes
import definitions
import defsparser
import override
import reversewrapper
import warnings

class Coverage(object):
    def __init__(self, name):
        self.name = name
        self.wrapped = 0
        self.not_wrapped = 0

    def declare_wrapped(self):
        self.wrapped += 1

    def declare_not_wrapped(self):
        self.not_wrapped += 1

    def printstats(self):
        total = self.wrapped + self.not_wrapped
        fd = sys.stderr
        if total:
            fd.write("***INFO*** The coverage of %s is %.2f%% (%i/%i)\n" %
                     (self.name,
                      float(self.wrapped*100)/total,
                      self.wrapped,
                      total))
        else:
            fd.write("***INFO*** There are no declared %s.\n" % self.name)

functions_coverage = Coverage("global functions")
methods_coverage = Coverage("methods")
vproxies_coverage = Coverage("virtual proxies")
vaccessors_coverage = Coverage("virtual accessors")
iproxies_coverage = Coverage("interface proxies")

def exc_info():
    warnings.warn("deprecated", DeprecationWarning, stacklevel=2)
    #traceback.print_exc()
    etype, value, tb = sys.exc_info()
    ret = ""
    try:
        sval = str(value)
        if etype == argtypes.ArgTypeError:
            ret = "No ArgType for %s" % (sval,)
        else:
            ret = sval
    finally:
        del etype, value, tb
    return ret

def fixname(name):
    if keyword.iskeyword(name):
        return name + '_'
    return name

class FileOutput:
    '''Simple wrapper for file object, that makes writing #line
    statements easier.''' # "
    def __init__(self, fp, filename=None):
        self.fp = fp
        self.lineno = 1
        if filename:
            self.filename = filename
        else:
            self.filename = self.fp.name
    # handle writing to the file, and keep track of the line number ...
    def write(self, str):
        self.fp.write(str)
        self.lineno = self.lineno + string.count(str, '\n')
    def writelines(self, sequence):
        for line in sequence:
            self.write(line)
    def close(self):
        self.fp.close()
    def flush(self):
        self.fp.flush()

    def setline(self, linenum, filename):
        '''writes out a #line statement, for use by the C
        preprocessor.''' # "
        self.write('#line %d "%s"\n' % (linenum, filename))
    def resetline(self):
        '''resets line numbering to the original file'''
        self.setline(self.lineno + 1, self.filename)

class Wrapper:
    type_tmpl = (
        'PyTypeObject G_GNUC_INTERNAL Py%(typename)s_Type = {\n'
        '    PyObject_HEAD_INIT(NULL)\n'
        '    0,                                 /* ob_size */\n'
        '    "%(classname)s",                   /* tp_name */\n'
        '    sizeof(%(tp_basicsize)s),          /* tp_basicsize */\n'
        '    0,                                 /* tp_itemsize */\n'
        '    /* methods */\n'
        '    (destructor)%(tp_dealloc)s,        /* tp_dealloc */\n'
        '    (printfunc)0,                      /* tp_print */\n'
        '    (getattrfunc)%(tp_getattr)s,       /* tp_getattr */\n'
        '    (setattrfunc)%(tp_setattr)s,       /* tp_setattr */\n'
        '    (cmpfunc)%(tp_compare)s,           /* tp_compare */\n'
        '    (reprfunc)%(tp_repr)s,             /* tp_repr */\n'
        '    (PyNumberMethods*)%(tp_as_number)s,     /* tp_as_number */\n'
        '    (PySequenceMethods*)%(tp_as_sequence)s, /* tp_as_sequence */\n'
        '    (PyMappingMethods*)%(tp_as_mapping)s,   /* tp_as_mapping */\n'
        '    (hashfunc)%(tp_hash)s,             /* tp_hash */\n'
        '    (ternaryfunc)%(tp_call)s,          /* tp_call */\n'
        '    (reprfunc)%(tp_str)s,              /* tp_str */\n'
        '    (getattrofunc)%(tp_getattro)s,     /* tp_getattro */\n'
        '    (setattrofunc)%(tp_setattro)s,     /* tp_setattro */\n'
        '    (PyBufferProcs*)%(tp_as_buffer)s,  /* tp_as_buffer */\n'
        '    %(tp_flags)s,                      /* tp_flags */\n'
        '    %(tp_doc)s,                        /* Documentation string */\n'
        '    (traverseproc)%(tp_traverse)s,     /* tp_traverse */\n'
        '    (inquiry)%(tp_clear)s,             /* tp_clear */\n'
        '    (richcmpfunc)%(tp_richcompare)s,   /* tp_richcompare */\n'
        '    %(tp_weaklistoffset)s,             /* tp_weaklistoffset */\n'
        '    (getiterfunc)%(tp_iter)s,          /* tp_iter */\n'
        '    (iternextfunc)%(tp_iternext)s,     /* tp_iternext */\n'
        '    (struct PyMethodDef*)%(tp_methods)s, /* tp_methods */\n'
        '    (struct PyMemberDef*)0,              /* tp_members */\n'
        '    (struct PyGetSetDef*)%(tp_getset)s,  /* tp_getset */\n'
        '    NULL,                              /* tp_base */\n'
        '    NULL,                              /* tp_dict */\n'
        '    (descrgetfunc)%(tp_descr_get)s,    /* tp_descr_get */\n'
        '    (descrsetfunc)%(tp_descr_set)s,    /* tp_descr_set */\n'
        '    %(tp_dictoffset)s,                 /* tp_dictoffset */\n'
        '    (initproc)%(tp_init)s,             /* tp_init */\n'
        '    (allocfunc)%(tp_alloc)s,           /* tp_alloc */\n'
        '    (newfunc)%(tp_new)s,               /* tp_new */\n'
        '    (freefunc)%(tp_free)s,             /* tp_free */\n'
        '    (inquiry)%(tp_is_gc)s              /* tp_is_gc */\n'
        '};\n\n'
        )

    slots_list = [
        'tp_getattr', 'tp_setattr', 'tp_getattro', 'tp_setattro',
        'tp_compare', 'tp_repr',
        'tp_as_number', 'tp_as_sequence', 'tp_as_mapping', 'tp_hash',
        'tp_call', 'tp_str', 'tp_as_buffer', 'tp_richcompare', 'tp_iter',
        'tp_iternext', 'tp_descr_get', 'tp_descr_set', 'tp_init',
        'tp_alloc', 'tp_new', 'tp_free', 'tp_is_gc',
        'tp_traverse', 'tp_clear', 'tp_dealloc', 'tp_flags', 'tp_doc'
        ]

    getter_tmpl = (
        'static PyObject *\n'
        '%(funcname)s(PyObject *self, void *closure)\n'
        '{\n'
        '%(varlist)s'
        '    ret = %(field)s;\n'
        '%(codeafter)s\n'
        '}\n\n'
        )

    parse_tmpl = (
        '    if (!PyArg_ParseTupleAndKeywords(args, kwargs,'
        '"%(typecodes)s:%(name)s"%(parselist)s))\n'
        '        return %(errorreturn)s;\n'
        )

    deprecated_tmpl = (
        '    if (PyErr_Warn(PyExc_DeprecationWarning, '
        '"%(deprecationmsg)s") < 0)\n'
        '        return %(errorreturn)s;\n'
        )

    methdef_tmpl = (
        '    { "%(name)s", (PyCFunction)%(cname)s, %(flags)s,\n'
        '      %(docstring)s },\n'
        )

    noconstructor = (
        'static int\n'
        'pygobject_no_constructor(PyObject *self, PyObject *args, '
        'PyObject *kwargs)\n'
        '{\n'
        '    gchar buf[512];\n'
        '\n'
        '    g_snprintf(buf, sizeof(buf), "%s is an abstract widget", '
        'self->ob_type->tp_name);\n'
        '    PyErr_SetString(PyExc_NotImplementedError, buf);\n'
        '    return -1;\n'
        '}\n\n'
        )

    function_tmpl = (
        'static PyObject *\n'
        '_wrap_%(cname)s(PyObject *self%(extraparams)s)\n'
        '{\n'
        '%(varlist)s'
        '%(parseargs)s'
        '%(codebefore)s'
        '    %(begin_allow_threads)s\n'
        '    %(setreturn)s%(cname)s(%(arglist)s);\n'
        '    %(end_allow_threads)s\n'
        '%(codeafter)s\n'
        '}\n\n'
        )

    virtual_accessor_tmpl = (
        'static PyObject *\n'
        '_wrap_%(cname)s(PyObject *cls%(extraparams)s)\n'
        '{\n'
        '    gpointer klass;\n'
        '%(varlist)s'
        '%(parseargs)s'
        '%(codebefore)s'
        '    klass = g_type_class_ref(pyg_type_from_object(cls));\n'
        '    if (%(class_cast_macro)s(klass)->%(virtual)s)\n'
        '        %(setreturn)s%(class_cast_macro)s(klass)->'
        '%(virtual)s(%(arglist)s);\n'
        '    else {\n'
        '        PyErr_SetString(PyExc_NotImplementedError, '
        '"virtual method %(name)s not implemented");\n'
        '        g_type_class_unref(klass);\n'
        '        return NULL;\n'
        '    }\n'
        '    g_type_class_unref(klass);\n'
        '%(codeafter)s\n'
        '}\n\n'
        )

    # template for method calls
    constructor_tmpl = None
    method_tmpl = None

    def __init__(self, parser, objinfo, overrides, fp=FileOutput(sys.stdout)):
        self.parser = parser
        self.objinfo = objinfo
        self.overrides = overrides
        self.fp = fp

    def get_lower_name(self):
        return string.lower(string.replace(self.objinfo.typecode,
                                           '_TYPE_', '_', 1))

    def get_field_accessor(self, fieldname):
        raise NotImplementedError

    def get_initial_class_substdict(self): return {}

    def get_initial_constructor_substdict(self, constructor):
        return { 'name': '%s.__init__' % self.objinfo.py_name,
                 'errorreturn': '-1' }

    def get_initial_method_substdict(self, method):
        substdict = { 'name': '%s.%s' % (self.objinfo.py_name, method.name) }
        if method.unblock_threads:
            substdict['begin_allow_threads'] = 'pyg_begin_allow_threads;'
            substdict['end_allow_threads'] = 'pyg_end_allow_threads;'
        else:
            substdict['begin_allow_threads'] = ''
            substdict['end_allow_threads'] = ''
        return substdict

    def write_class(self):
        if self.overrides.is_type_ignored(self.objinfo.c_name):
            return
        self.fp.write('\n/* ----------- %s ----------- */\n\n' %
                      self.objinfo.c_name)
        substdict = self.get_initial_class_substdict()
        if not substdict.has_key('tp_flags'):
            substdict['tp_flags'] = 'Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE'
        substdict['typename'] = self.objinfo.c_name
        if self.overrides.modulename:
            substdict['classname'] = '%s.%s' % (self.overrides.modulename,
                                           self.objinfo.name)
        else:
            substdict['classname'] = self.objinfo.name
        substdict['tp_doc'] = self.objinfo.docstring

        # Maybe this could be done in a nicer way, but I'll leave it as it is
        # for now: -- Johan
        if not self.overrides.slot_is_overriden('%s.tp_init' %
                                                self.objinfo.c_name):
            substdict['tp_init'] = self.write_constructor()
        substdict['tp_methods'] = self.write_methods()
        substdict['tp_getset'] = self.write_getsets()

        # handle slots ...
        for slot in self.slots_list:

            slotname = '%s.%s' % (self.objinfo.c_name, slot)
            slotfunc = '_wrap_%s_%s' % (self.get_lower_name(), slot)
            if slot[:6] == 'tp_as_':
                slotfunc = '&' + slotfunc
            if self.overrides.slot_is_overriden(slotname):
                data = self.overrides.slot_override(slotname)
                self.write_function(slotname, data)
                substdict[slot] = slotfunc
            else:
                if not substdict.has_key(slot):
                    substdict[slot] = '0'

        self.fp.write(self.type_tmpl % substdict)

        self.write_virtuals()

    def write_function_wrapper(self, function_obj, template,
                               handle_return=0, is_method=0, kwargs_needed=0,
                               substdict=None):
        '''This function is the guts of all functions that generate
        wrappers for functions, methods and constructors.'''
        if not substdict: substdict = {}

        info = argtypes.WrapperInfo()

        substdict.setdefault('errorreturn', 'NULL')

        # for methods, we want the leading comma
        if is_method:
            info.arglist.append('')

        if function_obj.varargs:
            raise argtypes.ArgTypeNotFoundError("varargs functions not supported")

        for param in function_obj.params:
            if param.pdflt != None and '|' not in info.parsestr:
                info.add_parselist('|', [], [])
            handler = argtypes.matcher.get(param.ptype)
            handler.write_param(param.ptype, param.pname, param.pdflt,
                                param.pnull, info)

        substdict['setreturn'] = ''
        if handle_return:
            if function_obj.ret not in ('none', None):
                substdict['setreturn'] = 'ret = '
            handler = argtypes.matcher.get(function_obj.ret)
            handler.write_return(function_obj.ret,
                                 function_obj.caller_owns_return, info)

        if function_obj.deprecated != None:
            deprecated = self.deprecated_tmpl % {
                'deprecationmsg': function_obj.deprecated,
                'errorreturn': substdict['errorreturn'] }
        else:
            deprecated = ''

        # if name isn't set, set it to function_obj.name
        substdict.setdefault('name', function_obj.name)

        if function_obj.unblock_threads:
            substdict['begin_allow_threads'] = 'pyg_begin_allow_threads;'
            substdict['end_allow_threads'] = 'pyg_end_allow_threads;'
        else:
            substdict['begin_allow_threads'] = ''
            substdict['end_allow_threads'] = ''

        if self.objinfo:
            substdict['typename'] = self.objinfo.c_name
        substdict.setdefault('cname',  function_obj.c_name)
        substdict['varlist'] = info.get_varlist()
        substdict['typecodes'] = info.parsestr
        substdict['parselist'] = info.get_parselist()
        substdict['arglist'] = info.get_arglist()
        substdict['codebefore'] = deprecated + (
            string.replace(info.get_codebefore(),
            'return NULL', 'return ' + substdict['errorreturn'])
            )
        substdict['codeafter'] = (
            string.replace(info.get_codeafter(),
                           'return NULL',
                           'return ' + substdict['errorreturn']))

        if info.parsestr or kwargs_needed:
            substdict['parseargs'] = self.parse_tmpl % substdict
            substdict['extraparams'] = ', PyObject *args, PyObject *kwargs'
            flags = 'METH_VARARGS|METH_KEYWORDS'

            # prepend the keyword list to the variable list
            substdict['varlist'] = info.get_kwlist() + substdict['varlist']
        else:
            substdict['parseargs'] = ''
            substdict['extraparams'] = ''
            flags = 'METH_NOARGS'

        return template % substdict, flags

    def write_constructor(self):
        initfunc = '0'
        constructor = self.parser.find_constructor(self.objinfo,self.overrides)
        if not constructor:
            return self.write_default_constructor()

        funcname = constructor.c_name
        try:
            if self.overrides.is_overriden(funcname):
                data = self.overrides.override(funcname)
                self.write_function(funcname, data)
                self.objinfo.has_new_constructor_api = (
                    self.objinfo.typecode in
                    self.overrides.newstyle_constructors)
            else:
                # ok, a hack to determine if we should use
                # new-style constructores :P
                property_based = getattr(self,
                                         'write_property_based_constructor',
                                         None)
                if property_based:
                    if (len(constructor.params) == 0 or
                        isinstance(constructor.params[0],
                                   definitions.Property)):
                        # write_property_based_constructor is only
                        # implemented in GObjectWrapper
                        return self.write_property_based_constructor(
                            constructor)
                    else:
                        sys.stderr.write(
                            "Warning: generating old-style constructor for:" +
                            constructor.c_name + '\n')

                # write constructor from template ...
                code = self.write_function_wrapper(constructor,
                    self.constructor_tmpl,
                    handle_return=0, is_method=0, kwargs_needed=1,
                    substdict=self.get_initial_constructor_substdict(
                    constructor))[0]
                self.fp.write(code)
            initfunc = '_wrap_' + funcname
        except argtypes.ArgTypeError, ex:
            sys.stderr.write('Could not write constructor for %s: %s\n'
                             % (self.objinfo.c_name, str(ex)))

            initfunc = self.write_noconstructor()
        return initfunc

    def write_noconstructor(self):
        # this is a hack ...
        if not hasattr(self.overrides, 'no_constructor_written'):
            self.fp.write(self.noconstructor)
            self.overrides.no_constructor_written = 1
        initfunc = 'pygobject_no_constructor'
        return initfunc

    def write_default_constructor(self):
        return self.write_noconstructor()

    def get_methflags(self, funcname):
        if self.overrides.wants_kwargs(funcname):
            flags = 'METH_VARARGS|METH_KEYWORDS'
        elif self.overrides.wants_noargs(funcname):
            flags = 'METH_NOARGS'
        elif self.overrides.wants_onearg(funcname):
            flags = 'METH_O'
        else:
            flags = 'METH_VARARGS'
        if self.overrides.is_staticmethod(funcname):
            flags += '|METH_STATIC'
        elif self.overrides.is_classmethod(funcname):
            flags += '|METH_CLASS'
        return flags

    def write_function(self, funcname, data):
        lineno, filename = self.overrides.getstartline(funcname)
        self.fp.setline(lineno, filename)
        self.fp.write(data)
        self.fp.resetline()
        self.fp.write('\n\n')

    def _get_class_virtual_substdict(self, meth, cname, parent):
        substdict = self.get_initial_method_substdict(meth)
        substdict['virtual'] = meth.name
        substdict['cname'] = cname
        substdict['class_cast_macro'] = parent.typecode.replace(
            '_TYPE_', '_', 1) + "_CLASS"
        substdict['typecode'] = self.objinfo.typecode
        substdict['cast'] = string.replace(parent.typecode, '_TYPE_', '_', 1)
        return substdict

    def write_methods(self):
        methods = []
        klass = self.objinfo.c_name
        # First, get methods from the defs files
        for meth in self.parser.find_methods(self.objinfo):
            method_name = meth.c_name
            if self.overrides.is_ignored(method_name):
                continue
            try:
                if self.overrides.is_overriden(method_name):
                    if not self.overrides.is_already_included(method_name):
                        data = self.overrides.override(method_name)
                        self.write_function(method_name, data)

                    methflags = self.get_methflags(method_name)
                else:
                    # write constructor from template ...
                    code, methflags = self.write_function_wrapper(meth,
                        self.method_tmpl, handle_return=1, is_method=1,
                        substdict=self.get_initial_method_substdict(meth))
                    self.fp.write(code)
                methods.append(self.methdef_tmpl %
                               { 'name':  fixname(meth.name),
                                 'cname': '_wrap_' + method_name,
                                 'flags': methflags,
                                 'docstring': meth.docstring })
                methods_coverage.declare_wrapped()
            except argtypes.ArgTypeError, ex:
                methods_coverage.declare_not_wrapped()
                sys.stderr.write('Could not write method %s.%s: %s\n'
                                % (klass, meth.name, str(ex)))

        # Now try to see if there are any defined in the override
        for method_name in self.overrides.get_defines_for(klass):
            c_name = override.class2cname(klass, method_name)
            if self.overrides.is_already_included(method_name):
                continue

            try:
                data = self.overrides.define(klass, method_name)
                self.write_function(method_name, data)
                methflags = self.get_methflags(method_name)

                methods.append(self.methdef_tmpl %
                               { 'name':  method_name,
                                 'cname': '_wrap_' + c_name,
                                 'flags': methflags,
                                 'docstring': 'NULL' })
                methods_coverage.declare_wrapped()
            except argtypes.ArgTypeError, ex:
                methods_coverage.declare_not_wrapped()
                sys.stderr.write('Could not write method %s.%s: %s\n'
                                % (klass, method_name, str(ex)))

        # Add GObject virtual method accessors, for chaining to parent
        # virtuals from subclasses
        methods += self.write_virtual_accessors()

        if methods:
            methoddefs = '_Py%s_methods' % self.objinfo.c_name
            # write the PyMethodDef structure
            methods.append('    { NULL, NULL, 0, NULL }\n')
            self.fp.write('static const PyMethodDef %s[] = {\n' % methoddefs)
            self.fp.write(string.join(methods, ''))
            self.fp.write('};\n\n')
        else:
            methoddefs = 'NULL'
        return methoddefs

    def write_virtual_accessors(self):
        klass = self.objinfo.c_name
        methods = []
        for meth in self.parser.find_virtuals(self.objinfo):
            method_name = self.objinfo.c_name + "__do_" + meth.name
            if self.overrides.is_ignored(method_name):
                continue
            try:
                if self.overrides.is_overriden(method_name):
                    if not self.overrides.is_already_included(method_name):
                        data = self.overrides.override(method_name)
                        self.write_function(method_name, data)
                    methflags = self.get_methflags(method_name)
                else:
                    # temporarily add a 'self' parameter as first argument
                    meth.params.insert(0, definitions.Parameter(
                        ptype=(self.objinfo.c_name + '*'),
                        pname='self', pdflt=None, pnull=None))
                    try:
                        # write method from template ...
                        code, methflags = self.write_function_wrapper(
                            meth, self.virtual_accessor_tmpl,
                            handle_return=True, is_method=False,
                            substdict=self._get_class_virtual_substdict(
                            meth, method_name, self.objinfo))
                        self.fp.write(code)
                    finally:
                        del meth.params[0]
                methods.append(self.methdef_tmpl %
                               { 'name':  "do_" + fixname(meth.name),
                                 'cname': '_wrap_' + method_name,
                                 'flags': methflags + '|METH_CLASS',
                                 'docstring': 'NULL'})
                vaccessors_coverage.declare_wrapped()
            except argtypes.ArgTypeError, ex:
                vaccessors_coverage.declare_not_wrapped()
                sys.stderr.write(
                    'Could not write virtual accessor method %s.%s: %s\n'
                    % (klass, meth.name, str(ex)))
        return methods

    def write_virtuals(self):
        '''
        Write _wrap_FooBar__proxy_do_zbr() reverse wrapers for
        GObject virtuals
        '''
        klass = self.objinfo.c_name
        virtuals = []
        for meth in self.parser.find_virtuals(self.objinfo):
            method_name = self.objinfo.c_name + "__proxy_do_" + meth.name
            if self.overrides.is_ignored(method_name):
                continue
            try:
                if self.overrides.is_overriden(method_name):
                    if not self.overrides.is_already_included(method_name):
                        data = self.overrides.override(method_name)
                        self.write_function(method_name, data)
                else:
                    # write virtual proxy ...
                    ret, props = argtypes.matcher.get_reverse_ret(meth.ret)
                    wrapper = reversewrapper.ReverseWrapper(
                        '_wrap_' + method_name, is_static=True)
                    wrapper.set_return_type(ret(wrapper, **props))
                    wrapper.add_parameter(reversewrapper.PyGObjectMethodParam(
                        wrapper, "self", method_name="do_" + meth.name,
                        c_type=(klass + ' *')))
                    for param in meth.params:
                        handler, props = argtypes.matcher.get_reverse(
                            param.ptype)
                        props["direction"] = param.pdir
                        props["nullok"] = param.pnull
                        wrapper.add_parameter(handler(wrapper,
                                                      param.pname, **props))
                    buf = reversewrapper.MemoryCodeSink()
                    wrapper.generate(buf)
                    self.fp.write(buf.flush())
                virtuals.append((fixname(meth.name), '_wrap_' + method_name))
                vproxies_coverage.declare_wrapped()
            except argtypes.ArgTypeError, ex:
                vproxies_coverage.declare_not_wrapped()
                virtuals.append((fixname(meth.name), None))
                sys.stderr.write('Could not write virtual proxy %s.%s: %s\n'
                                % (klass, meth.name, str(ex)))
        if virtuals:
            # Write a 'pygtk class init' function for this object,
            # except when the object type is explicitly ignored (like
            # GtkPlug and GtkSocket on win32).
            if self.overrides.is_ignored(self.objinfo.typecode):
                return
            class_cast_macro = self.objinfo.typecode.replace(
                '_TYPE_', '_', 1) + "_CLASS"
            cast_macro = self.objinfo.typecode.replace('_TYPE_', '_', 1)
            funcname = "__%s_class_init" % klass
            self.objinfo.class_init_func = funcname
            have_implemented_virtuals = not not [True
                                                 for name, cname in virtuals
                                                     if cname is not None]
            self.fp.write(
            ('\nstatic int\n'
             '%(funcname)s(gpointer gclass, PyTypeObject *pyclass)\n'
             '{\n') % vars())

            if have_implemented_virtuals:
                self.fp.write('    PyObject *o;\n')
                self.fp.write(
                    '    %(klass)sClass *klass = '
                    '%(class_cast_macro)s(gclass);\n'
                    '    PyObject *gsignals = '
                    'PyDict_GetItemString(pyclass->tp_dict, "__gsignals__");\n'
                    % vars())

            for name, cname in virtuals:
                do_name = 'do_' + name
                if cname is None:
                    self.fp.write('\n    /* overriding %(do_name)s '
                                  'is currently not supported */\n' % vars())
                else:
                    self.fp.write('''
    o = PyObject_GetAttrString((PyObject *) pyclass, "%(do_name)s");
    if (o == NULL)
        PyErr_Clear();
    else {
        if (!PyObject_TypeCheck(o, &PyCFunction_Type)
            && !(gsignals && PyDict_GetItemString(gsignals, "%(name)s")))
            klass->%(name)s = %(cname)s;
        Py_DECREF(o);
    }
''' % vars())
            self.fp.write('    return 0;\n}\n')

    def write_getsets(self):
        lower_name = self.get_lower_name()
        getsets_name = lower_name + '_getsets'
        getterprefix = '_wrap_' + lower_name + '__get_'
        setterprefix = '_wrap_' + lower_name + '__set_'

        # no overrides for the whole function.  If no fields,
        # don't write a func
        if not self.objinfo.fields:
            return '0'
        getsets = []
        for ftype, cfname in self.objinfo.fields:
            fname = cfname.replace('.', '_')
            gettername = '0'
            settername = '0'
            attrname = self.objinfo.c_name + '.' + fname
            if self.overrides.attr_is_overriden(attrname):
                code = self.overrides.attr_override(attrname)
                self.write_function(attrname, code)
                if string.find(code, getterprefix + fname) >= 0:
                    gettername = getterprefix + fname
                if string.find(code, setterprefix + fname) >= 0:
                    settername = setterprefix + fname
            if gettername == '0':
                try:
                    funcname = getterprefix + fname
                    info = argtypes.WrapperInfo()
                    handler = argtypes.matcher.get(ftype)
                    # for attributes, we don't own the "return value"
                    handler.write_return(ftype, 0, info)
                    self.fp.write(self.getter_tmpl %
                                  { 'funcname': funcname,
                                    'varlist': info.varlist,
                                    'field': self.get_field_accessor(cfname),
                                    'codeafter': info.get_codeafter() })
                    gettername = funcname
                except argtypes.ArgTypeError, ex:
                    sys.stderr.write(
                        "Could not write getter for %s.%s: %s\n"
                        % (self.objinfo.c_name, fname, str(ex)))
            if gettername != '0' or settername != '0':
                getsets.append('    { "%s", (getter)%s, (setter)%s },\n' %
                               (fixname(fname), gettername, settername))

        if not getsets:
            return '0'
        self.fp.write('static const PyGetSetDef %s[] = {\n' % getsets_name)
        for getset in getsets:
            self.fp.write(getset)
        self.fp.write('    { NULL, (getter)0, (setter)0 },\n')
        self.fp.write('};\n\n')

        return getsets_name

    def _write_get_symbol_names(self, writer, functions):
        self.fp.write("""static PyObject *
_wrap__get_symbol_names(PyObject *self)
{
    PyObject *pylist = PyList_New(0);

""")
        for obj, bases in writer.get_classes():
            self.fp.write('    PyList_Append(pylist, '
                          'PyString_FromString("%s"));\n' % (obj.name))

        for name, cname, flags, docstring in functions:
            self.fp.write('    PyList_Append(pylist, '
                          'PyString_FromString("%s"));\n' % (name))

        for enum in writer.get_enums():
            self.fp.write('    PyList_Append(pylist, '
                          'PyString_FromString("%s"));\n' % (enum.name))
            for nick, value in enum.values:
                name = value[len(self.overrides.modulename)+1:]
                self.fp.write('    PyList_Append(pylist, '
                              'PyString_FromString("%s"));\n' % (name))

        self.fp.write("    return pylist;\n}\n\n");

    def _write_get_symbol(self, writer, functions):
        self.fp.write("""static PyObject *
_wrap__get_symbol(PyObject *self, PyObject *args)
{
    PyObject *d;
    char *name;
    static PyObject *modulename = NULL;
    static PyObject *module = NULL;
    static char *strip_prefix = "%s";

    if (!PyArg_ParseTuple(args, "Os", &d, &name))
        return NULL;

    if (!modulename)
       modulename = PyString_FromString("%s");

    if (!module)
       module = PyDict_GetItemString(d, "__module__");

""" % (self.overrides.modulename.upper() + '_',
       self.overrides.modulename))

        first = True
        # Classes / GObjects
        for obj, bases in writer.get_classes():
            if first:
                self.fp.write('    if (!strcmp(name, "%s")) {\n' % obj.name)
                first = False
            else:
                self.fp.write('    } else if (!strcmp(name, "%s")) {\n' % obj.name)
            self.fp.write(
                '       return (PyObject*)pygobject_lookup_class(%s);\n' %
                obj.typecode)
        self.fp.write('    }\n')

        # Functions
        for name, cname, flags, docstring in functions:
            self.fp.write('    else if (!strcmp(name, "%s")) {\n' % name)
            self.fp.write('        static PyMethodDef ml = { '
                          '"%s", (PyCFunction)%s, %s, "%s"};\n' % (
                name, cname, flags, docstring))
            self.fp.write('        return PyCFunction_NewEx(&ml, NULL, modulename);\n')
            self.fp.write('    }\n')

        # Enums
        def write_enum(enum, returnobj=False):
            if returnobj:
                ret = 'return '
            else:
                ret = ''
            if enum.deftype == 'enum':
                self.fp.write(
                    '        %spyg_enum_add(module, "%s", strip_prefix, %s);\n'
                    % (ret, enum.name, enum.typecode))
            else:
                self.fp.write(
                    '    %spyg_flags_add(module, "%s", strip_prefix, %s);\n'
                    % (ret, enum.name, enum.typecode))

        strip_len = len(self.overrides.modulename)+1 # GTK_
        for enum in writer.get_enums():
            # XXX: Implement without typecodes
            self.fp.write('    else if (!strcmp(name, "%s")) {\n' % enum.name)
            write_enum(enum, returnobj=True)
            self.fp.write('    }\n')

            for nick, value in enum.values:
                value = value[strip_len:]
                self.fp.write('    else if (!strcmp(name, "%s")) {\n' % value)
                write_enum(enum)
                self.fp.write('        return PyObject_GetAttrString(module, "%s");\n' %
                              value)
                self.fp.write('    }\n')

        self.fp.write('    return Py_None;\n}\n\n');

    def _write_function_bodies(self):
        functions = []
        # First, get methods from the defs files
        for func in self.parser.find_functions():
            funcname = func.c_name
            if self.overrides.is_ignored(funcname):
                continue
            try:
                if self.overrides.is_overriden(funcname):
                    data = self.overrides.override(funcname)
                    self.write_function(funcname, data)

                    methflags = self.get_methflags(funcname)
                else:
                    # write constructor from template ...
                    code, methflags = self.write_function_wrapper(func,
                        self.function_tmpl, handle_return=1, is_method=0)
                    self.fp.write(code)
                functions.append((func.name, '_wrap_' + funcname,
                                  methflags, func.docstring))
                functions_coverage.declare_wrapped()
            except argtypes.ArgTypeError, ex:
                functions_coverage.declare_not_wrapped()
                sys.stderr.write('Could not write function %s: %s\n'
                                 % (func.name, str(ex)))

        # Now try to see if there are any defined in the override
        for funcname in self.overrides.get_functions():
            try:
                data = self.overrides.function(funcname)
                self.write_function(funcname, data)
                methflags = self.get_methflags(funcname)
                functions.append((funcname, '_wrap_' + funcname,
                                  methflags, 'NULL'))
                functions_coverage.declare_wrapped()
            except argtypes.ArgTypeError, ex:
                functions_coverage.declare_not_wrapped()
                sys.stderr.write('Could not write function %s: %s\n'
                                 % (funcname, str(ex)))
        return functions

    def write_functions(self, writer, prefix):
        self.fp.write('\n/* ----------- functions ----------- */\n\n')
        functions = []
        func_infos = self._write_function_bodies()

        # If we have a dynamic namespace, write symbol and attribute getter
        if self.overrides.dynamicnamespace:
            self._write_get_symbol_names(writer, func_infos)
            self._write_get_symbol(writer, func_infos)
            for obj, bases in writer.get_classes():
                self.fp.write("""static PyTypeObject *
%s_register_type(const gchar *name, PyObject *unused)
{
    PyObject *m = PyImport_ImportModule("gtk");
    PyObject *d = PyModule_GetDict(m);
""" % obj.c_name)
                writer.write_class(obj, bases, indent=1)
                self.fp.write(
                    '    return (%s)PyDict_GetItemString(d, "%s");\n' % (
                    'PyTypeObject*', obj.name))
                self.fp.write("}\n")

            functions.append('    { "_get_symbol_names", '
                             '(PyCFunction)_wrap__get_symbol_names, '
                             'METH_NOARGS, NULL },\n')
            functions.append('    { "_get_symbol", '
                             '(PyCFunction)_wrap__get_symbol, '
                             'METH_VARARGS, NULL },\n')
        else:
            for name, cname, flags, docstring in func_infos:
                functions.append(self.methdef_tmpl % dict(name=name,
                                                          cname=cname,
                                                          flags=flags,
                                                          docstring=docstring))

        # write the PyMethodDef structure
        functions.append('    { NULL, NULL, 0, NULL }\n')

        self.fp.write('const PyMethodDef ' + prefix + '_functions[] = {\n')
        self.fp.write(string.join(functions, ''))
        self.fp.write('};\n\n')

class GObjectWrapper(Wrapper):
    constructor_tmpl = (
        'static int\n'
        '_wrap_%(cname)s(PyGObject *self%(extraparams)s)\n'
        '{\n'
        '%(varlist)s'
        '%(parseargs)s'
        '%(codebefore)s'
        '    self->obj = (GObject *)%(cname)s(%(arglist)s);\n'
        '%(codeafter)s\n'
        '    if (!self->obj) {\n'
        '        PyErr_SetString(PyExc_RuntimeError, '
        '"could not create %(typename)s object");\n'
        '        return -1;\n'
        '    }\n'
        '%(aftercreate)s'
        '    pygobject_register_wrapper((PyObject *)self);\n'
        '    return 0;\n'
        '}\n\n'
        )

    method_tmpl = (
        'static PyObject *\n'
        '_wrap_%(cname)s(PyGObject *self%(extraparams)s)\n'
        '{\n'
        '%(varlist)s'
        '%(parseargs)s'
        '%(codebefore)s'
        '    %(begin_allow_threads)s\n'
        '    %(setreturn)s%(cname)s(%(cast)s(self->obj)%(arglist)s);\n'
        '    %(end_allow_threads)s\n'
        '%(codeafter)s\n'
        '}\n\n'
        )
    def __init__(self, parser, objinfo, overrides, fp=FileOutput(sys.stdout)):
        Wrapper.__init__(self, parser, objinfo, overrides, fp)
        if self.objinfo:
            self.castmacro = string.replace(self.objinfo.typecode,
                                            '_TYPE_', '_', 1)

    def get_initial_class_substdict(self):
        return { 'tp_basicsize'      : 'PyGObject',
                 'tp_weaklistoffset' : 'offsetof(PyGObject, weakreflist)',
                 'tp_dictoffset'     : 'offsetof(PyGObject, inst_dict)' }

    def get_field_accessor(self, fieldname):
        castmacro = string.replace(self.objinfo.typecode, '_TYPE_', '_', 1)
        return '%s(pygobject_get(self))->%s' % (castmacro, fieldname)

    def get_initial_constructor_substdict(self, constructor):
        substdict = Wrapper.get_initial_constructor_substdict(self,
                                                              constructor)
        if not constructor.caller_owns_return:
            substdict['aftercreate'] = "    g_object_ref(self->obj);\n"
        else:
            substdict['aftercreate'] = ''
        return substdict

    def get_initial_method_substdict(self, method):
        substdict = Wrapper.get_initial_method_substdict(self, method)
        substdict['cast'] = string.replace(self.objinfo.typecode,
                                           '_TYPE_', '_', 1)
        return substdict

    def write_default_constructor(self):
        try:
            parent = self.parser.find_object(self.objinfo.parent)
        except ValueError:
            parent = None
        if parent is not None:
            ## just like the constructor is inheritted, we should
            # inherit the new API compatibility flag
            self.objinfo.has_new_constructor_api = (
                parent.has_new_constructor_api)
        elif self.objinfo.parent == 'GObject':
            self.objinfo.has_new_constructor_api = True
        return '0'

    def write_property_based_constructor(self, constructor):
        self.objinfo.has_new_constructor_api = True
        out = self.fp
        print >> out, "static int"
        print >> out, '_wrap_%s(PyGObject *self, PyObject *args,' \
              ' PyObject *kwargs)\n{' % constructor.c_name
        if constructor.params:
            s = "    GType obj_type = pyg_type_from_object((PyObject *) self);"
            print >> out, s

        def py_str_list_to_c(arg):
            if arg:
                return "{" + ", ".join(
                    map(lambda s: '"' + s + '"', arg)) + ", NULL }"
            else:
                return "{ NULL }"

        classname = '%s.%s' % (self.overrides.modulename,
                               self.objinfo.name)

        if constructor.params:
            mandatory_arguments = [param for param in constructor.params
                                             if not param.optional]
            optional_arguments = [param for param in constructor.params
                                            if param.optional]
            arg_names = py_str_list_to_c(
            [param.argname
             for param in mandatory_arguments + optional_arguments])

            prop_names = py_str_list_to_c(
            [param.pname
             for param in mandatory_arguments + optional_arguments])

            print >> out, "    GParameter params[%i];" % \
                  len(constructor.params)
            print >> out, "    PyObject *parsed_args[%i] = {NULL, };" % \
                  len(constructor.params)
            print >> out, "    char *arg_names[] = %s;" % arg_names
            print >> out, "    char *prop_names[] = %s;" % prop_names
            print >> out, "    guint nparams, i;"
            print >> out
            if constructor.deprecated is not None:
                out.write(
                    '    if (PyErr_Warn(PyExc_DeprecationWarning, '
                    '"%s") < 0)\n' %
                    constructor.deprecated)
                print >> out, '        return -1;'
                print >> out
            out.write("    if (!PyArg_ParseTupleAndKeywords(args, kwargs, ")
            template = '"'
            if mandatory_arguments:
                template += "O"*len(mandatory_arguments)
            if optional_arguments:
                template += "|" + "O"*len(optional_arguments)
            template += ':%s.__init__"' % classname
            print >> out, template, ", arg_names",
            for i in range(len(constructor.params)):
                print >> out, ", &parsed_args[%i]" % i,

            out.write(
                "))\n"
                "        return -1;\n"
                "\n"
                "    memset(params, 0, sizeof(GParameter)*%i);\n"
                "    if (!pyg_parse_constructor_args(obj_type, arg_names,\n"
                "                                    prop_names, params, \n"
                "                                    &nparams, parsed_args))\n"
                "        return -1;\n"
                "    pygobject_constructv(self, nparams, params);\n"
                "    for (i = 0; i < nparams; ++i)\n"
                "        g_value_unset(&params[i].value);\n"
                % len(constructor.params))
        else:
            out.write(
                "    static char* kwlist[] = { NULL };\n"
                "\n")

            if constructor.deprecated is not None:
                out.write(
                    '    if (PyErr_Warn(PyExc_DeprecationWarning, "%s") < 0)\n'
                    '        return -1;\n'
                    '\n' % constructor.deprecated)

            out.write(
                '    if (!PyArg_ParseTupleAndKeywords(args, kwargs,\n'
                '                                     ":%s.__init__",\n'
                '                                     kwlist))\n'
                '        return -1;\n'
                '\n'
                '    pygobject_constructv(self, 0, NULL);\n' % classname)
        out.write(
            '    if (!self->obj) {\n'
            '        PyErr_SetString(\n'
            '            PyExc_RuntimeError, \n'
            '            "could not create %s object");\n'
            '        return -1;\n'
            '    }\n' % classname)

        if not constructor.caller_owns_return:
            print >> out, "    g_object_ref(self->obj);\n"

        out.write(
            '    return 0;\n'
            '}\n\n')

        return "_wrap_%s" % constructor.c_name


class GInterfaceWrapper(GObjectWrapper):
    virtual_accessor_tmpl = (
        'static PyObject *\n'
        '_wrap_%(cname)s(PyObject *cls%(extraparams)s)\n'
        '{\n'
        '    %(vtable)s *iface;\n'
        '%(varlist)s'
        '%(parseargs)s'
        '%(codebefore)s'
        '    iface = g_type_interface_peek('
        'g_type_class_peek(pyg_type_from_object(cls)), %(typecode)s);\n'
        '    if (iface->%(virtual)s)\n'
        '        %(setreturn)siface->%(virtual)s(%(arglist)s);\n'
        '    else {\n'
        '        PyErr_SetString(PyExc_NotImplementedError, '
        '"interface method %(name)s not implemented");\n'
        '        return NULL;\n'
        '    }\n'
        '%(codeafter)s\n'
        '}\n\n'
        )

    def get_initial_class_substdict(self):
        return { 'tp_basicsize'      : 'PyObject',
                 'tp_weaklistoffset' : '0',
                 'tp_dictoffset'     : '0'}

    def write_constructor(self):
        # interfaces have no constructors ...
        return '0'
    def write_getsets(self):
        # interfaces have no fields ...
        return '0'

    def _get_class_virtual_substdict(self, meth, cname, parent):
        substdict = self.get_initial_method_substdict(meth)
        substdict['virtual'] = meth.name
        substdict['cname'] = cname
        substdict['typecode'] = self.objinfo.typecode
        substdict['vtable'] = self.objinfo.vtable
        return substdict

    def write_virtuals(self):
        ## Now write reverse method wrappers, which let python code
        ## implement interface methods.
        # First, get methods from the defs files
        klass = self.objinfo.c_name
        proxies = []
        for meth in self.parser.find_virtuals(self.objinfo):
            method_name = self.objinfo.c_name + "__proxy_do_" + meth.name
            if self.overrides.is_ignored(method_name):
                continue
            try:
                if self.overrides.is_overriden(method_name):
                    if not self.overrides.is_already_included(method_name):
                        data = self.overrides.override(method_name)
                        self.write_function(method_name, data)
                else:
                    # write proxy ...
                    ret, props = argtypes.matcher.get_reverse_ret(meth.ret)
                    wrapper = reversewrapper.ReverseWrapper(
                        '_wrap_' + method_name, is_static=True)
                    wrapper.set_return_type(ret(wrapper, **props))
                    wrapper.add_parameter(reversewrapper.PyGObjectMethodParam(
                        wrapper, "self", method_name="do_" + meth.name,
                        c_type=(klass + ' *')))
                    for param in meth.params:
                        handler, props = argtypes.matcher.get_reverse(
                            param.ptype)
                        props["direction"] = param.pdir
                        props["nullok"] = param.pnull
                        wrapper.add_parameter(
                            handler(wrapper, param.pname, **props))
                    buf = reversewrapper.MemoryCodeSink()
                    wrapper.generate(buf)
                    self.fp.write(buf.flush())
                proxies.append((fixname(meth.name), '_wrap_' + method_name))
                iproxies_coverage.declare_wrapped()
            except argtypes.ArgTypeError, ex:
                iproxies_coverage.declare_not_wrapped()
                proxies.append((fixname(meth.name), None))
                sys.stderr.write('Could not write interface proxy %s.%s: %s\n'
                                % (klass, meth.name, str(ex)))

        if not proxies or not [cname for name, cname in proxies if cname]:
            return

        ## Write an interface init function for this object
        funcname = "__%s__interface_init" % klass
        vtable = self.objinfo.vtable
        self.fp.write(
            '\nstatic void\n'
            '%(funcname)s(%(vtable)s *iface, PyTypeObject *pytype)\n'
            '{\n'
            '    %(vtable)s *parent_iface = '
            'g_type_interface_peek_parent(iface);\n'
            '    PyObject *py_method;\n'
            '\n'
            % vars())

        for name, cname in proxies:
            do_name = 'do_' + name
            if cname is None:
                continue

            self.fp.write((
                '    py_method = pytype? PyObject_GetAttrString('
                '(PyObject *) pytype, "%(do_name)s") : NULL;\n'
                '    if (py_method && !PyObject_TypeCheck(py_method, '
                '&PyCFunction_Type)) {\n'
                '        iface->%(name)s = %(cname)s;\n'
                '    } else {\n'
                '        PyErr_Clear();\n'
                '        if (parent_iface) {\n'
                '            iface->%(name)s = parent_iface->%(name)s;\n'
                '        }\n'
                '    Py_XDECREF(py_method);\n'
                '    }\n'
                ) % vars())
        self.fp.write('}\n\n')
        interface_info = "__%s__iinfo" % klass
        self.fp.write('''
static const GInterfaceInfo %s = {
    (GInterfaceInitFunc) %s,
    NULL,
    NULL
};
''' % (interface_info, funcname))
        self.objinfo.interface_info = interface_info

class GBoxedWrapper(Wrapper):
    constructor_tmpl = (
        'static int\n'
        '_wrap_%(cname)s(PyGBoxed *self%(extraparams)s)\n'
        '{\n'
        '%(varlist)s'
        '%(parseargs)s'
        '%(codebefore)s'
        '    self->gtype = %(typecode)s;\n'
        '    self->free_on_dealloc = FALSE;\n'
        '    self->boxed = %(cname)s(%(arglist)s);\n'
        '%(codeafter)s\n'
        '    if (!self->boxed) {\n'
        '        PyErr_SetString(PyExc_RuntimeError, '
        '"could not create %(typename)s object");\n'
        '        return -1;\n'
        '    }\n'
        '    self->free_on_dealloc = TRUE;\n'
        '    return 0;\n'
        '}\n\n'
        )

    method_tmpl = (
        'static PyObject *\n'
        '_wrap_%(cname)s(PyObject *self%(extraparams)s)\n'
        '{\n'
        '%(varlist)s'
        '%(parseargs)s'
        '%(codebefore)s'
        '    %(begin_allow_threads)s\n'
        '    %(setreturn)s%(cname)s(pyg_boxed_get(self, '
        '%(typename)s)%(arglist)s);\n'
        '    %(end_allow_threads)s\n'
        '%(codeafter)s\n'
        '}\n\n'
        )

    def get_initial_class_substdict(self):
        return { 'tp_basicsize'      : 'PyGBoxed',
                 'tp_weaklistoffset' : '0',
                 'tp_dictoffset'     : '0' }

    def get_field_accessor(self, fieldname):
        return 'pyg_boxed_get(self, %s)->%s' % (self.objinfo.c_name, fieldname)

    def get_initial_constructor_substdict(self, constructor):
        substdict = Wrapper.get_initial_constructor_substdict(
            self, constructor)
        substdict['typecode'] = self.objinfo.typecode
        return substdict

class GPointerWrapper(GBoxedWrapper):
    constructor_tmpl = (
        'static int\n'
        '_wrap_%(cname)s(PyGPointer *self%(extraparams)s)\n'
        '{\n'
        '%(varlist)s'
        '%(parseargs)s'
        '%(codebefore)s'
        '    self->gtype = %(typecode)s;\n'
        '    self->pointer = %(cname)s(%(arglist)s);\n'
        '%(codeafter)s\n'
        '    if (!self->pointer) {\n'
        '        PyErr_SetString(PyExc_RuntimeError, '
        '"could not create %(typename)s object");\n'
        '        return -1;\n'
        '    }\n'
        '    return 0;\n'
        '}\n\n'
        )

    method_tmpl = (
        'static PyObject *\n'
        '_wrap_%(cname)s(PyObject *self%(extraparams)s)\n'
        '{\n'
        '%(varlist)s'
        '%(parseargs)s'
        '%(codebefore)s'
        '    %(setreturn)s%(cname)s(pyg_pointer_get(self, '
        '%(typename)s)%(arglist)s);\n'
        '%(codeafter)s\n'
        '}\n\n'
        )

    def get_initial_class_substdict(self):
        return { 'tp_basicsize'      : 'PyGPointer',
                 'tp_weaklistoffset' : '0',
                 'tp_dictoffset'     : '0' }

    def get_field_accessor(self, fieldname):
        return 'pyg_pointer_get(self, %s)->%s' % (self.objinfo.c_name,
                                                  fieldname)

    def get_initial_constructor_substdict(self, constructor):
        substdict = Wrapper.get_initial_constructor_substdict(
            self, constructor)
        substdict['typecode'] = self.objinfo.typecode
        return substdict

class SourceWriter:
    def __init__(self, parser, overrides, prefix, fp=FileOutput(sys.stdout)):
        self.parser = parser
        self.overrides = overrides
        self.prefix = prefix
        self.fp = fp

    def write(self, py_ssize_t_clean=False):
        argtypes.py_ssize_t_clean = py_ssize_t_clean

        self.write_headers(py_ssize_t_clean)
        self.write_imports()
        self.write_type_declarations()
        self.write_body()
        self.write_classes()

        wrapper = Wrapper(self.parser, None, self.overrides, self.fp)
        wrapper.write_functions(self, self.prefix)

        if not self.overrides.dynamicnamespace:
            self.write_enums()
        self.write_extension_init()
        self.write_registers()
        
        argtypes.py_ssize_t_clean = False

    def write_headers(self, py_ssize_t_clean):
        self.fp.write('/* -- THIS FILE IS GENERATED - DO NOT EDIT */')
        self.fp.write('/* -*- Mode: C; c-basic-offset: 4 -*- */\n\n')
        if py_ssize_t_clean:
            self.fp.write('#define PY_SSIZE_T_CLEAN\n')
        self.fp.write('#include <Python.h>\n\n\n')
        if py_ssize_t_clean:
            self.fp.write('''

#if PY_VERSION_HEX < 0x02050000
typedef int Py_ssize_t;
#define PY_SSIZE_T_MAX INT_MAX
#define PY_SSIZE_T_MIN INT_MIN
typedef inquiry lenfunc;
typedef intargfunc ssizeargfunc;
typedef intobjargproc ssizeobjargproc;
#endif

''')
        self.fp.write(self.overrides.get_headers())
        self.fp.resetline()
        self.fp.write('\n\n')

    def write_imports(self):
        self.fp.write('/* ---------- types from other modules ---------- */\n')
        for module, pyname, cname, importing_for in self.overrides.get_imports():
            if importing_for is None or is_registered_object(importing_for):
                self.fp.write('static PyTypeObject *_%s;\n' % cname)
                self.fp.write('#define %s (*_%s)\n' % (cname, cname))
        self.fp.write('\n\n')

    def write_type_declarations(self):
        #todo use 'static' if used only in one file
        self.fp.write('/* ---------- forward type declarations ---------- */\n')
        for obj in self.parser.boxes:
            if not self.overrides.is_type_ignored(obj.c_name):
                self.fp.write('PyTypeObject G_GNUC_INTERNAL Py' + obj.c_name + '_Type;\n')
        for obj in self.parser.objects:
            if not self.overrides.is_type_ignored(obj.c_name):
                self.fp.write('PyTypeObject G_GNUC_INTERNAL Py' + obj.c_name + '_Type;\n')
        for interface in self.parser.interfaces:
            if not self.overrides.is_type_ignored(interface.c_name):
                self.fp.write('PyTypeObject G_GNUC_INTERNAL Py' + interface.c_name + '_Type;\n')
        self.fp.write('\n')

    def write_body(self):
        self.fp.write(self.overrides.get_body())
        self.fp.resetline()
        self.fp.write('\n\n')

    def _sort_parent_children(self, objects):
        objects = list(objects)
        modified = True
        while modified:
            modified = False
            parent_index = None
            child_index = None
            for i, obj in enumerate(objects):
                if obj.parent == 'GObject':
                    continue
                if obj.parent not in [info.c_name for info in objects[:i]]:
                    for j, info in enumerate(objects[i+1:]):
                        if info.c_name == obj.parent:
                            parent_index = i + 1 + j
                            child_index = i
                            break
                    else:
                        continue
                    break
            if child_index is not None and parent_index is not None:
                if child_index != parent_index:
                    objects.insert(child_index, objects.pop(parent_index))
                    modified = True
        return objects

    def write_classes(self):
        ## Sort the objects, so that we generate code for the parent types
        ## before their children.
        objects = self._sort_parent_children(self.parser.objects)

        for klass, items in ((GBoxedWrapper, self.parser.boxes),
                             (GPointerWrapper, self.parser.pointers),
                             (GObjectWrapper, objects),
                             (GInterfaceWrapper, self.parser.interfaces)):
            for item in items:
                instance = klass(self.parser, item, self.overrides, self.fp)
                instance.write_class()
                self.fp.write('\n')

    def get_enums(self):
        enums = []
        for enum in self.parser.enums:
            if self.overrides.is_type_ignored(enum.c_name):
                continue
            enums.append(enum)
        return enums

    def write_enums(self):
        if not self.parser.enums:
            return

        self.fp.write('\n/* ----------- enums and flags ----------- */\n\n')
        self.fp.write(
            'void\n' + self.prefix +
            '_add_constants(PyObject *module, const gchar *strip_prefix)\n{\n')

        self.fp.write(
            '#ifdef VERSION\n'
            '    PyModule_AddStringConstant(module, "__version__", VERSION);\n'
            '#endif\n')

        for enum in self.get_enums():
            if enum.typecode is None:
                for nick, value in enum.values:
                    self.fp.write(
                        '    PyModule_AddIntConstant(module, '
                        '(char *) pyg_constant_strip_prefix("%s", strip_prefix), %s);\n'
                        % (value, value))
            else:
                if enum.deftype == 'enum':
                    self.fp.write('  pyg_enum_add(module, "%s", strip_prefix, %s);\n'
                                  % (enum.name, enum.typecode))
                else:
                    self.fp.write('  pyg_flags_add(module, "%s", strip_prefix, %s);\n'
                                  % (enum.name, enum.typecode))

        self.fp.write('\n')
        self.fp.write('  if (PyErr_Occurred())\n')
        self.fp.write('    PyErr_Print();\n')
        self.fp.write('}\n\n')

    def write_object_imports(self, retval=''):
        imports = self.overrides.get_imports()[:]
        if not imports:
            return

        bymod = {}
        for module, pyname, cname, importing_for in imports:
            if importing_for is None or is_registered_object(importing_for):
                bymod.setdefault(module, []).append((pyname, cname))
        self.fp.write('    PyObject *module;\n\n')
        for module in bymod:
            self.fp.write(
                '    if ((module = PyImport_ImportModule("%s")) != NULL) {\n'
                % module)
            #self.fp.write(
            #    '        PyObject *moddict = PyModule_GetDict(module);\n\n')
            for pyname, cname in bymod[module]:
                #self.fp.write(
                #    '        _%s = (PyTypeObject *)PyDict_GetItemString('
                #    'moddict, "%s");\n' % (cname, pyname))
                self.fp.write(
                    '        _%s = (PyTypeObject *)PyObject_GetAttrString('
                    'module, "%s");\n' % (cname, pyname))
                self.fp.write('        if (_%s == NULL) {\n' % cname)
                self.fp.write('            PyErr_SetString(PyExc_ImportError,\n')
                self.fp.write('                "cannot import name %s from %s");\n'
                         % (pyname, module))
                self.fp.write('            return %s;\n' % retval)
                self.fp.write('        }\n')
            self.fp.write('    } else {\n')
            self.fp.write('        PyErr_SetString(PyExc_ImportError,\n')
            self.fp.write('            "could not import %s");\n' % module)
            self.fp.write('        return %s;\n' % retval)
            self.fp.write('    }\n')
        self.fp.write('\n')

    def write_extension_init(self):
        self.fp.write('/* initialise stuff extension classes */\n')
        self.fp.write('void\n' + self.prefix + '_register_classes(PyObject *d)\n{\n')
        self.write_object_imports()
        self.fp.write(self.overrides.get_init() + '\n')
        self.fp.resetline()

    def get_classes(self):
        objects = self.parser.objects[:]
        pos = 0
        while pos < len(objects):
            parent = objects[pos].parent
            for i in range(pos+1, len(objects)):
                if objects[i].c_name == parent:
                    objects.insert(i+1, objects[pos])
                    del objects[pos]
                    break
            else:
                pos = pos + 1

        retval = []
        for obj in objects:
            if self.overrides.is_type_ignored(obj.c_name):
                continue
            bases = []
            if obj.parent != None:
                bases.append(obj.parent)
            bases = bases + obj.implements
            retval.append((obj, bases))

        return retval

    def write_registers(self):
        for boxed in self.parser.boxes:
            if not self.overrides.is_type_ignored(boxed.c_name):
                self.fp.write('    pyg_register_boxed(d, "' + boxed.name +
                              '", ' + boxed.typecode +
                              ', &Py' + boxed.c_name +
                          '_Type);\n')
        for pointer in self.parser.pointers:
            if not self.overrides.is_type_ignored(pointer.c_name):
                self.fp.write('    pyg_register_pointer(d, "' + pointer.name +
                              '", ' + pointer.typecode +
                              ', &Py' + pointer.c_name + '_Type);\n')
        for interface in self.parser.interfaces:
            if not self.overrides.is_type_ignored(interface.c_name):
                self.fp.write('    pyg_register_interface(d, "'
                              + interface.name + '", '+ interface.typecode
                              + ', &Py' + interface.c_name + '_Type);\n')
                if interface.interface_info is not None:
                    self.fp.write('    pyg_register_interface_info(%s, &%s);\n' %
                                  (interface.typecode, interface.interface_info))

        if not self.overrides.dynamicnamespace:
            for obj, bases in self.get_classes():
                self.write_class(obj, bases)
        else:
            for obj, bases in self.get_classes():
                self.fp.write(
                    '    pyg_type_register_custom_callback("%s", '
                    '(PyGTypeRegistrationFunction)%s_register_type, d);\n' %
                    (obj.c_name, obj.c_name))

        self.fp.write('}\n')

    def _can_direct_ref(self, base):
        if not self.overrides.dynamicnamespace:
            return True
        if base == 'GObject':
            return True
        obj = get_object_by_name(base)
        if obj.module.lower() != self.overrides.modulename:
            return True
        return False

    def write_class(self, obj, bases, indent=1):
        indent_str = ' ' * (indent * 4)
        if bases:
            bases_str = 'Py_BuildValue("(%s)"' % (len(bases) * 'O')

            for base in bases:
                if self._can_direct_ref(base):
                    bases_str += ', &Py%s_Type' % base
                else:
                    baseobj = get_object_by_name(base)
                    bases_str += ', PyObject_GetAttrString(m, "%s")' % baseobj.name
            bases_str += ')'
        else:
            bases_str = 'NULL'

        self.fp.write(
                '%(indent)spygobject_register_class(d, "%(c_name)s", %(typecode)s, &Py%(c_name)s_Type, %(bases)s);\n'
                % dict(indent=indent_str, c_name=obj.c_name, typecode=obj.typecode, bases=bases_str))

        if obj.has_new_constructor_api:
            self.fp.write(
                indent_str + 'pyg_set_object_has_new_constructor(%s);\n' %
                obj.typecode)
        else:
            print >> sys.stderr, (
                "Warning: Constructor for %s needs to be updated to new API\n"
                "         See http://live.gnome.org/PyGTK_2fWhatsNew28"
                "#update-constructors") % obj.c_name

        if obj.class_init_func is not None:
            self.fp.write(
                indent_str + 'pyg_register_class_init(%s, %s);\n' %
                (obj.typecode, obj.class_init_func))

_objects = {}

def is_registered_object(c_name):
    return c_name in _objects

def get_object_by_name(c_name):
    global _objects
    return _objects[c_name]

def register_types(parser):
    global _objects
    for boxed in parser.boxes:
        argtypes.matcher.register_boxed(boxed.c_name, boxed.typecode)
        _objects[boxed.c_name] = boxed
    for pointer in parser.pointers:
        argtypes.matcher.register_pointer(pointer.c_name, pointer.typecode)
    for obj in parser.objects:
        argtypes.matcher.register_object(obj.c_name, obj.parent, obj.typecode)
        _objects[obj.c_name] = obj
    for iface in parser.interfaces:
        argtypes.matcher.register_object(iface.c_name, None, iface.typecode)
        _objects[iface.c_name] = iface
    for enum in parser.enums:
        if enum.deftype == 'flags':
            argtypes.matcher.register_flag(enum.c_name, enum.typecode)
        else:
            argtypes.matcher.register_enum(enum.c_name, enum.typecode)

usage = 'usage: codegen.py [-o overridesfile] [-p prefix] defsfile'
def main(argv):
    o = override.Overrides()
    prefix = 'pygtk'
    outfilename = None
    errorfilename = None
    opts, args = getopt.getopt(argv[1:], "o:p:r:t:D:I:",
                        ["override=", "prefix=", "register=", "outfilename=",
                         "load-types=", "errorfilename=", "py_ssize_t-clean"])
    defines = {} # -Dkey[=val] options
    py_ssize_t_clean = False
    for opt, arg in opts:
        if opt in ('-o', '--override'):
            o = override.Overrides(arg)
        elif opt in ('-p', '--prefix'):
            prefix = arg
        elif opt in ('-r', '--register'):
            # Warning: user has to make sure all -D options appear before -r
            p = defsparser.DefsParser(arg, defines)
            p.startParsing()
            register_types(p)
            del p
        elif opt == '--outfilename':
            outfilename = arg
        elif opt == '--errorfilename':
            errorfilename = arg
        elif opt in ('-t', '--load-types'):
            globals = {}
            execfile(arg, globals)
        elif opt == '-D':
            nameval = arg.split('=')
            try:
                defines[nameval[0]] = nameval[1]
            except IndexError:
                defines[nameval[0]] = None
        elif opt == '-I':
            defsparser.include_path.insert(0, arg)
        elif opt == '--py_ssize_t-clean':
            py_ssize_t_clean = True
    if len(args) < 1:
        print >> sys.stderr, usage
        return 1
    if errorfilename:
        sys.stderr = open(errorfilename, "w")
    p = defsparser.DefsParser(args[0], defines)
    if not outfilename:
        outfilename = os.path.splitext(args[0])[0] + '.c'

    p.startParsing()

    register_types(p)
    sw = SourceWriter(p, o, prefix, FileOutput(sys.stdout, outfilename))
    sw.write(py_ssize_t_clean)

    functions_coverage.printstats()
    methods_coverage.printstats()
    vproxies_coverage.printstats()
    vaccessors_coverage.printstats()
    iproxies_coverage.printstats()

if __name__ == '__main__':
    sys.exit(main(sys.argv))