1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
|
# Copyright 2012-2015 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import mparser
import environment
import coredata
import dependencies
import mlog
import build
import optinterpreter
import wrap
import mesonlib
import os, sys, platform, subprocess, shutil, uuid, re
from functools import wraps
import importlib
class InterpreterException(coredata.MesonException):
pass
class InvalidCode(InterpreterException):
pass
class InvalidArguments(InterpreterException):
pass
# Decorators for method calls.
def check_stringlist(a, msg='Arguments must be strings.'):
if not isinstance(a, list):
raise InvalidArguments('Argument not a list.')
if not all(isinstance(s, str) for s in a):
raise InvalidArguments(msg)
def noPosargs(f):
@wraps(f)
def wrapped(self, node, args, kwargs):
if len(args) != 0:
raise InvalidArguments('Function does not take positional arguments.')
return f(self, node, args, kwargs)
return wrapped
def noKwargs(f):
@wraps(f)
def wrapped(self, node, args, kwargs):
if len(kwargs) != 0:
raise InvalidArguments('Function does not take keyword arguments.')
return f(self, node, args, kwargs)
return wrapped
def stringArgs(f):
@wraps(f)
def wrapped(self, node, args, kwargs):
assert(isinstance(args, list))
check_stringlist(args)
return f(self, node, args, kwargs)
return wrapped
def stringifyUserArguments(args):
if isinstance(args, list):
return '[%s]' % ', '.join([stringifyUserArguments(x) for x in args])
elif isinstance(args, int):
return str(args)
elif isinstance(args, str):
return "'%s'" % args
raise InvalidArguments('Function accepts only strings, integers, lists and lists thereof.')
class InterpreterObject():
def __init__(self):
self.methods = {}
def method_call(self, method_name, args, kwargs):
if method_name in self.methods:
return self.methods[method_name](args, kwargs)
raise InvalidCode('Unknown method "%s" in object.' % method_name)
class TryRunResultHolder(InterpreterObject):
def __init__(self, res):
super().__init__()
self.res = res
self.methods.update({'returncode' : self.returncode_method,
'compiled' : self.compiled_method,
'stdout' : self.stdout_method,
'stderr' : self.stderr_method,
})
def returncode_method(self, args, kwargs):
return self.res.returncode
def compiled_method(self, args, kwargs):
return self.res.compiled
def stdout_method(self, args, kwargs):
return self.res.stdout
def stderr_method(self, args, kwargs):
return self.res.stderr
class RunProcess(InterpreterObject):
def __init__(self, command_array, source_dir, build_dir, subdir, in_builddir=False):
super().__init__()
pc = self.run_command(command_array, source_dir, build_dir, subdir, in_builddir)
(stdout, stderr) = pc.communicate()
self.returncode = pc.returncode
self.stdout = stdout.decode().replace('\r\n', '\n')
self.stderr = stderr.decode().replace('\r\n', '\n')
self.methods.update({'returncode' : self.returncode_method,
'stdout' : self.stdout_method,
'stderr' : self.stderr_method,
})
def run_command(self, command_array, source_dir, build_dir, subdir, in_builddir):
cmd_name = command_array[0]
env = {'MESON_SOURCE_ROOT' : source_dir,
'MESON_BUILD_ROOT' : build_dir,
'MESON_SUBDIR' : subdir}
if in_builddir:
cwd = os.path.join(build_dir, subdir)
else:
cwd = os.path.join(source_dir, subdir)
child_env = os.environ.copy()
child_env.update(env)
try:
return subprocess.Popen(command_array, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
env=child_env, cwd=cwd)
except FileNotFoundError:
pass
# Was not a command, is a program in path?
exe = shutil.which(cmd_name)
if exe is not None:
command_array = [exe] + command_array[1:]
return subprocess.Popen(command_array, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
env=child_env, cwd=cwd)
# No? Maybe it is a script in the source tree.
fullpath = os.path.join(source_dir, subdir, cmd_name)
command_array = [fullpath] + command_array[1:]
try:
return subprocess.Popen(command_array, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
env=child_env, cwd=cwd)
except FileNotFoundError:
raise InterpreterException('Could not execute command "%s".' % cmd_name)
def returncode_method(self, args, kwargs):
return self.returncode
def stdout_method(self, args, kwargs):
return self.stdout
def stderr_method(self, args, kwargs):
return self.stderr
class ConfigureFileHolder(InterpreterObject):
def __init__(self, subdir, sourcename, targetname, configuration_data):
InterpreterObject.__init__(self)
self.held_object = build.ConfigureFile(subdir, sourcename, targetname, configuration_data)
class ConfigurationDataHolder(InterpreterObject):
def __init__(self):
super().__init__()
self.used = False # These objects become immutable after use in configure_file.
self.held_object = build.ConfigurationData()
self.methods.update({'set': self.set_method,
'set10': self.set10_method,
})
def is_used(self):
return self.used
def mark_used(self):
self.used = True
def validate_args(self, args):
if len(args) != 2:
raise InterpreterException("Configuration set requires 2 arguments.")
if self.used:
raise InterpreterException("Can not set values on configuration object that has been used.")
name = args[0]
val = args[1]
if not isinstance(name, str):
raise InterpreterException("First argument to set must be a string.")
return (name, val)
def set_method(self, args, kwargs):
(name, val) = self.validate_args(args)
self.held_object.values[name] = val
def set10_method(self, args, kwargs):
(name, val) = self.validate_args(args)
if val:
self.held_object.values[name] = 1
else:
self.held_object.values[name] = 0
def get(self, name):
return self.held_object.values[name]
def keys(self):
return self.held_object.values.keys()
# Interpreter objects can not be pickled so we must have
# these wrappers.
class DependencyHolder(InterpreterObject):
def __init__(self, dep):
InterpreterObject.__init__(self)
self.held_object = dep
self.methods.update({'found' : self.found_method})
def found_method(self, args, kwargs):
return self.held_object.found()
class InternalDependencyHolder(InterpreterObject):
def __init__(self, dep):
InterpreterObject.__init__(self)
self.held_object = dep
self.methods.update({'found' : self.found_method})
def found_method(self, args, kwargs):
return True
class ExternalProgramHolder(InterpreterObject):
def __init__(self, ep):
InterpreterObject.__init__(self)
self.held_object = ep
self.methods.update({'found': self.found_method})
def found_method(self, args, kwargs):
return self.found()
def found(self):
return self.held_object.found()
def get_command(self):
return self.held_object.fullpath
def get_name(self):
return self.held_object.name
class ExternalLibraryHolder(InterpreterObject):
def __init__(self, el):
InterpreterObject.__init__(self)
self.held_object = el
self.methods.update({'found': self.found_method})
def found(self):
return self.held_object.found()
def found_method(self, args, kwargs):
return self.found()
def get_filename(self):
return self.held_object.fullpath
def get_name(self):
return self.held_object.name
def get_compile_args(self):
return self.held_object.get_compile_args()
def get_link_args(self):
return self.held_object.get_link_args()
def get_exe_args(self):
return self.held_object.get_exe_args()
class GeneratorHolder(InterpreterObject):
def __init__(self, interpreter, args, kwargs):
super().__init__()
self.interpreter = interpreter
self.held_object = build.Generator(args, kwargs)
self.methods.update({'process' : self.process_method})
def process_method(self, args, kwargs):
if len(kwargs) > 0:
raise InvalidArguments('Process does not take keyword arguments.')
check_stringlist(args)
gl = GeneratedListHolder(self)
[gl.add_file(os.path.join(self.interpreter.subdir, a)) for a in args]
return gl
class GeneratedListHolder(InterpreterObject):
def __init__(self, arg1):
super().__init__()
if isinstance(arg1, GeneratorHolder):
self.held_object = build.GeneratedList(arg1.held_object)
else:
self.held_object = arg1
def add_file(self, a):
self.held_object.add_file(a)
class BuildMachine(InterpreterObject):
def __init__(self):
InterpreterObject.__init__(self)
self.methods.update({'name' : self.name_method,
'endian' : self.endian_method,
})
# Python is inconsistent in its platform module.
# It returns different values for the same cpu.
# For x86 it might return 'x86', 'i686' or somesuch.
# Do some canonicalization.
def cpu_method(self, args, kwargs):
trial = platform.machine().lower()
if trial.startswith('i') and trial.endswith('86'):
return 'x86'
# This might be wrong. Maybe we should return the more
# specific string such as 'armv7l'. Need to get user
# feedback first.
if trial.startswith('arm'):
return 'arm'
# Add fixes here as bugs are reported.
return trial
def name_method(self, args, kwargs):
return platform.system().lower()
def endian_method(self, args, kwargs):
return sys.byteorder
# This class will provide both host_machine and
# target_machine
class CrossMachineInfo(InterpreterObject):
def __init__(self, cross_info):
InterpreterObject.__init__(self)
self.info = cross_info
self.methods.update({'name' : self.name_method,
'cpu' : self.cpu_method,
'endian' : self.endian_method,
})
def name_method(self, args, kwargs):
return self.info['name']
def cpu_method(self, args, kwargs):
return self.info['cpu']
def endian_method(self, args, kwargs):
return self.info['endian']
class IncludeDirsHolder(InterpreterObject):
def __init__(self, curdir, dirs):
super().__init__()
self.held_object = build.IncludeDirs(curdir, dirs)
class Headers(InterpreterObject):
def __init__(self, src_subdir, sources, kwargs):
InterpreterObject.__init__(self)
self.sources = sources
self.source_subdir = src_subdir
self.install_subdir = kwargs.get('subdir', '')
self.custom_install_dir = kwargs.get('install_dir', None)
if self.custom_install_dir is not None:
if not isinstance(self.custom_install_dir, str):
raise InterpreterException('Custom_install_dir must be a string.')
def set_install_subdir(self, subdir):
self.install_subdir = subdir
def get_install_subdir(self):
return self.install_subdir
def get_source_subdir(self):
return self.source_subdir
def get_sources(self):
return self.sources
def get_custom_install_dir(self):
return self.custom_install_dir
class Data(InterpreterObject):
def __init__(self, in_sourcetree, source_subdir, sources, kwargs):
InterpreterObject.__init__(self)
self.in_sourcetree = in_sourcetree
self.source_subdir = source_subdir
self.sources = sources
kwsource = kwargs.get('sources', [])
if not isinstance(kwsource, list):
kwsource = [kwsource]
self.sources += kwsource
check_stringlist(self.sources)
self.install_dir = kwargs.get('install_dir', None)
if not isinstance(self.install_dir, str):
raise InterpreterException('Custom_install_dir must be a string.')
def get_source_subdir(self):
return self.source_subdir
def get_sources(self):
return self.sources
def get_install_dir(self):
return self.install_dir
class InstallDir(InterpreterObject):
def __init__(self, source_subdir, installable_subdir, install_dir):
InterpreterObject.__init__(self)
self.source_subdir = source_subdir
self.installable_subdir = installable_subdir
self.install_dir = install_dir
class Man(InterpreterObject):
def __init__(self, source_subdir, sources, kwargs):
InterpreterObject.__init__(self)
self.source_subdir = source_subdir
self.sources = sources
self.validate_sources()
if len(kwargs) > 1:
raise InvalidArguments('Man function takes at most one keyword arguments.')
self.custom_install_dir = kwargs.get('install_dir', None)
if self.custom_install_dir is not None and not isinstance(self.custom_install_dir, str):
raise InterpreterException('Custom_install_dir must be a string.')
def validate_sources(self):
for s in self.sources:
num = int(s.split('.')[-1])
if num < 1 or num > 8:
raise InvalidArguments('Man file must have a file extension of a number between 1 and 8')
def get_custom_install_dir(self):
return self.custom_install_dir
def get_sources(self):
return self.sources
def get_source_subdir(self):
return self.source_subdir
class GeneratedObjectsHolder(InterpreterObject):
def __init__(self, held_object):
super().__init__()
self.held_object = held_object
class BuildTargetHolder(InterpreterObject):
def __init__(self, target):
super().__init__()
self.held_object = target
self.methods.update({'extract_objects' : self.extract_objects_method,
'extract_all_objects' : self.extract_all_objects_method})
def is_cross(self):
return self.held_object.is_cross()
def extract_objects_method(self, args, kwargs):
gobjs = self.held_object.extract_objects(args)
return GeneratedObjectsHolder(gobjs)
def extract_all_objects_method(self, args, kwargs):
gobjs = self.held_object.extract_all_objects()
return GeneratedObjectsHolder(gobjs)
class ExecutableHolder(BuildTargetHolder):
def __init__(self, target):
super().__init__(target)
class StaticLibraryHolder(BuildTargetHolder):
def __init__(self, target):
super().__init__(target)
class SharedLibraryHolder(BuildTargetHolder):
def __init__(self, target):
super().__init__(target)
class JarHolder(BuildTargetHolder):
def __init__(self, target):
super().__init__(target)
class CustomTargetHolder(InterpreterObject):
def __init__(self, object_to_hold):
self.held_object = object_to_hold
def is_cross(self):
return self.held_object.is_cross()
def extract_objects_method(self, args, kwargs):
gobjs = self.held_object.extract_objects(args)
return GeneratedObjectsHolder(gobjs)
class RunTargetHolder(InterpreterObject):
def __init__(self, name, command, args, subdir):
self.held_object = build.RunTarget(name, command, args, subdir)
class Test(InterpreterObject):
def __init__(self, name, exe, is_parallel, cmd_args, env, should_fail, valgrind_args, timeout):
InterpreterObject.__init__(self)
self.name = name
self.exe = exe
self.is_parallel = is_parallel
self.cmd_args = cmd_args
self.env = env
self.should_fail = should_fail
self.valgrind_args = valgrind_args
self.timeout = timeout
def get_exe(self):
return self.exe
def get_name(self):
return self.name
class SubprojectHolder(InterpreterObject):
def __init__(self, subinterpreter):
super().__init__()
self.subinterpreter = subinterpreter
self.methods.update({'get_variable' : self.get_variable_method,
})
def get_variable_method(self, args, kwargs):
if len(args) != 1:
raise InterpreterException('Get_variable takes one argument.')
varname = args[0]
if not isinstance(varname, str):
raise InterpreterException('Get_variable takes a string argument.')
return self.subinterpreter.variables[varname]
class CompilerHolder(InterpreterObject):
def __init__(self, compiler, env):
InterpreterObject.__init__(self)
self.compiler = compiler
self.environment = env
self.methods.update({'compiles': self.compiles_method,
'get_id': self.get_id_method,
'sizeof': self.sizeof_method,
'has_header': self.has_header_method,
'run' : self.run_method,
'has_function' : self.has_function_method,
'has_member' : self.has_member_method,
'has_type' : self.has_type_method,
'alignment' : self.alignment_method,
'version' : self.version_method,
'cmd_array' : self.cmd_array_method,
})
def version_method(self, args, kwargs):
return self.compiler.version
def cmd_array_method(self, args, kwargs):
return self.compiler.exelist
def alignment_method(self, args, kwargs):
if len(args) != 1:
raise InterpreterException('Alignment method takes exactly one positional argument.')
check_stringlist(args)
typename = args[0]
result = self.compiler.alignment(typename, self.environment)
mlog.log('Checking for alignment of "', mlog.bold(typename), '": ', result, sep='')
return result
def run_method(self, args, kwargs):
if len(args) != 1:
raise InterpreterException('Run method takes exactly one positional argument.')
check_stringlist(args)
code = args[0]
testname = kwargs.get('name', '')
if not isinstance(testname, str):
raise InterpreterException('Testname argument must be a string.')
result = self.compiler.run(code)
if len(testname) > 0:
if not result.compiled:
h = mlog.red('DID NOT COMPILE')
elif result.returncode == 0:
h = mlog.green('YES')
else:
h = mlog.red('NO (%d)' % result.returncode)
mlog.log('Checking if "', mlog.bold(testname), '" runs : ', h, sep='')
return TryRunResultHolder(result)
def get_id_method(self, args, kwargs):
return self.compiler.get_id()
def has_member_method(self, args, kwargs):
if len(args) != 2:
raise InterpreterException('Has_member takes exactly two arguments.')
check_stringlist(args)
typename = args[0]
membername = args[1]
prefix = kwargs.get('prefix', '')
if not isinstance(prefix, str):
raise InterpreterException('Prefix argument of has_function must be a string.')
had = self.compiler.has_member(typename, membername, prefix)
if had:
hadtxt = mlog.green('YES')
else:
hadtxt = mlog.red('NO')
mlog.log('Checking whether type "', mlog.bold(typename),
'" has member "', mlog.bold(membername), '": ', hadtxt, sep='')
return had
def has_function_method(self, args, kwargs):
if len(args) != 1:
raise InterpreterException('Has_function takes exactly one argument.')
check_stringlist(args)
funcname = args[0]
prefix = kwargs.get('prefix', '')
if not isinstance(prefix, str):
raise InterpreterException('Prefix argument of has_function must be a string.')
had = self.compiler.has_function(funcname, prefix, self.environment)
if had:
hadtxt = mlog.green('YES')
else:
hadtxt = mlog.red('NO')
mlog.log('Checking for function "', mlog.bold(funcname), '": ', hadtxt, sep='')
return had
def has_type_method(self, args, kwargs):
if len(args) != 1:
raise InterpreterException('Has_type takes exactly one argument.')
check_stringlist(args)
typename = args[0]
prefix = kwargs.get('prefix', '')
if not isinstance(prefix, str):
raise InterpreterException('Prefix argument of has_type must be a string.')
had = self.compiler.has_type(typename, prefix)
if had:
hadtxt = mlog.green('YES')
else:
hadtxt = mlog.red('NO')
mlog.log('Checking for type "', mlog.bold(typename), '": ', hadtxt, sep='')
return had
def sizeof_method(self, args, kwargs):
if len(args) != 1:
raise InterpreterException('Sizeof takes exactly one argument.')
check_stringlist(args)
element = args[0]
prefix = kwargs.get('prefix', '')
if not isinstance(prefix, str):
raise InterpreterException('Prefix argument of sizeof must be a string.')
esize = self.compiler.sizeof(element, prefix, self.environment)
mlog.log('Checking for size of "%s": %d' % (element, esize))
return esize
def compiles_method(self, args, kwargs):
if len(args) != 1:
raise InterpreterException('compiles method takes exactly one argument.')
check_stringlist(args)
string = args[0]
testname = kwargs.get('name', '')
if not isinstance(testname, str):
raise InterpreterException('Testname argument must be a string.')
result = self.compiler.compiles(string)
if len(testname) > 0:
if result:
h = mlog.green('YES')
else:
h = mlog.red('NO')
mlog.log('Checking if "', mlog.bold(testname), '" compiles : ', h, sep='')
return result
def has_header_method(self, args, kwargs):
if len(args) != 1:
raise InterpreterException('has_header method takes exactly one argument.')
check_stringlist(args)
string = args[0]
haz = self.compiler.has_header(string)
if haz:
h = mlog.green('YES')
else:
h = mlog.red('NO')
mlog.log('Has header "%s":' % string, h)
return haz
class ModuleState:
pass
class ModuleHolder(InterpreterObject):
def __init__(self, modname, module, interpreter):
InterpreterObject.__init__(self)
self.modname = modname
self.held_object = module
self.interpreter = interpreter
def method_call(self, method_name, args, kwargs):
try:
fn = getattr(self.held_object, method_name)
except AttributeError:
raise InvalidArguments('Module %s does not have method %s.' % (self.modname, method_name))
state = ModuleState()
state.build_to_src = os.path.relpath(self.interpreter.environment.get_source_dir(),
self.interpreter.environment.get_build_dir())
state.subdir = self.interpreter.subdir
state.environment = self.interpreter.environment
state.project_name = self.interpreter.build.project_name
state.compilers = self.interpreter.build.compilers
state.targets = self.interpreter.build.targets
state.headers = self.interpreter.build.get_headers()
state.man = self.interpreter.build.get_man()
state.pkgconfig_gens = self.interpreter.build.pkgconfig_gens
state.global_args = self.interpreter.build.global_args
value = fn(state, args, kwargs)
return self.interpreter.module_method_callback(value)
class MesonMain(InterpreterObject):
def __init__(self, build, interpreter):
InterpreterObject.__init__(self)
self.build = build
self.interpreter = interpreter
self.methods.update({'get_compiler': self.get_compiler_method,
'is_cross_build' : self.is_cross_build_method,
'has_exe_wrapper' : self.has_exe_wrapper_method,
'is_unity' : self.is_unity_method,
'is_subproject' : self.is_subproject_method,
'current_source_dir' : self.current_source_dir_method,
'current_build_dir' : self.current_build_dir_method,
'source_root' : self.source_root_method,
'build_root' : self.build_root_method,
'set_install_script' : self.set_install_script_method,
})
def set_install_script_method(self, args, kwargs):
if len(args) != 1:
raise InterpreterException('Set_install_script takes exactly one argument.')
check_stringlist(args)
scriptbase = args[0]
scriptfile = os.path.join(self.interpreter.environment.source_dir,
self.interpreter.subdir, scriptbase)
if not os.path.isfile(scriptfile):
raise InterpreterException('Can not find install script %s.' % scriptbase)
self.build.install_script = scriptfile
def current_source_dir_method(self, args, kwargs):
src = self.interpreter.environment.source_dir
sub = self.interpreter.subdir
if sub == '':
return src
return os.path.join(src, sub)
def current_build_dir_method(self, args, kwargs):
src = self.interpreter.environment.build_dir
sub = self.interpreter.subdir
if sub == '':
return src
return os.path.join(src, sub)
def source_root_method(self, args, kwargs):
return self.interpreter.environment.source_dir
def build_root_method(self, args, kwargs):
return self.interpreter.environment.build_dir
def has_exe_wrapper_method(self, args, kwargs):
if self.is_cross_build_method(None, None):
return 'exe_wrap' in self.build.environment.cross_info.config['binaries']
return True # This is semantically confusing.
def is_cross_build_method(self, args, kwargs):
return self.build.environment.is_cross_build()
def get_compiler_method(self, args, kwargs):
if len(args) != 1:
raise InterpreterException('get_compiler_method must have one and only one argument.')
cname = args[0]
native = kwargs.get('native', None)
if native is None:
if self.build.environment.is_cross_build():
native = False
else:
native = True
if not isinstance(native, bool):
raise InterpreterException('Type of "native" must be a boolean.')
if native:
clist = self.build.compilers
else:
clist = self.build.cross_compilers
for c in clist:
if c.get_language() == cname:
return CompilerHolder(c, self.build.environment)
raise InterpreterException('Tried to access compiler for unspecified language "%s".' % cname)
def is_unity_method(self, args, kwargs):
return self.build.environment.coredata.unity
def is_subproject_method(self, args, kwargs):
return self.interpreter.is_subproject()
class Interpreter():
def __init__(self, build, subproject='', subdir='', subproject_dir='subprojects'):
self.build = build
self.subproject = subproject
self.subdir = subdir
self.source_root = build.environment.get_source_dir()
self.subproject_dir = subproject_dir
option_file = os.path.join(self.source_root, self.subdir, 'meson_options.txt')
if os.path.exists(option_file):
oi = optinterpreter.OptionInterpreter(self.subproject, \
self.build.environment.cmd_line_options)
oi.process(option_file)
self.build.environment.merge_options(oi.options)
mesonfile = os.path.join(self.source_root, self.subdir, environment.build_filename)
if not os.path.isfile(mesonfile):
raise InvalidArguments('Missing Meson file in %s' % mesonfile)
code = open(mesonfile).read()
if len(code.strip()) == 0:
raise InvalidCode('Builder file is empty.')
assert(isinstance(code, str))
try:
self.ast = mparser.Parser(code).parse()
except coredata.MesonException as me:
me.file = environment.build_filename
raise me
self.sanity_check_ast()
self.variables = {}
self.builtin = {}
self.builtin['build_machine'] = BuildMachine()
if not self.build.environment.is_cross_build():
self.builtin['host_machine'] = self.builtin['build_machine']
self.builtin['target_machine'] = self.builtin['build_machine']
else:
cross_info = self.build.environment.cross_info
if cross_info.has_host():
self.builtin['host_machine'] = CrossMachineInfo(cross_info.config['host_machine'])
else:
self.builtin['host_machine'] = self.builtin['build_machine']
if cross_info.has_target():
self.builtin['target_machine'] = CrossMachineInfo(cross_info.config['target_machine'])
else:
self.builtin['target_machine'] = self.builtin['host_machine']
self.builtin['meson'] = MesonMain(build, self)
self.environment = build.environment
self.build_func_dict()
self.build_def_files = [os.path.join(self.subdir, environment.build_filename)]
self.coredata = self.environment.get_coredata()
self.generators = []
self.visited_subdirs = {}
self.global_args_frozen = False
self.subprojects = {}
self.subproject_stack = []
def build_func_dict(self):
self.funcs = {'project' : self.func_project,
'message' : self.func_message,
'error' : self.func_error,
'executable': self.func_executable,
'dependency' : self.func_dependency,
'static_library' : self.func_static_lib,
'shared_library' : self.func_shared_lib,
'jar' : self.func_jar,
'build_target': self.func_build_target,
'custom_target' : self.func_custom_target,
'run_target' : self.func_run_target,
'generator' : self.func_generator,
'test' : self.func_test,
'install_headers' : self.func_install_headers,
'install_man' : self.func_install_man,
'subdir' : self.func_subdir,
'install_data' : self.func_install_data,
'install_subdir' : self.func_install_subdir,
'configure_file' : self.func_configure_file,
'include_directories' : self.func_include_directories,
'add_global_arguments' : self.func_add_global_arguments,
'add_languages' : self.func_add_languages,
'find_program' : self.func_find_program,
'find_library' : self.func_find_library,
'configuration_data' : self.func_configuration_data,
'run_command' : self.func_run_command,
'gettext' : self.func_gettext,
'option' : self.func_option,
'get_option' : self.func_get_option,
'subproject' : self.func_subproject,
'pkgconfig_gen' : self.func_pkgconfig_gen,
'vcs_tag' : self.func_vcs_tag,
'set_variable' : self.func_set_variable,
'import' : self.func_import,
'files' : self.func_files,
'declare_dependency': self.func_declare_dependency,
}
def module_method_callback(self, invalues):
unwrap_single = False
if invalues is None:
return
if not isinstance(invalues, list):
unwrap_single = True
invalues = [invalues]
outvalues = []
for v in invalues:
if isinstance(v, build.CustomTarget):
if v.name in self.build.targets:
raise InterpreterException('Tried to create target %s which already exists.' % v.name)
self.build.targets[v.name] = v
outvalues.append(CustomTargetHolder(v))
elif isinstance(v, int) or isinstance(v, str):
outvalues.append(v)
elif isinstance(v, build.Executable):
if v.name in self.build.targets:
raise InterpreterException('Tried to create target %s which already exists.' % v.name)
self.build.targets[v.name] = v
outvalues.append(ExecutableHolder(v))
elif isinstance(v, list):
outvalues.append(self.module_method_callback(v))
elif isinstance(v, build.GeneratedList):
outvalues.append(GeneratedListHolder(v))
else:
print(v)
raise InterpreterException('Module returned a value of unknown type.')
if len(outvalues) == 1 and unwrap_single:
return outvalues[0]
return outvalues
def get_build_def_files(self):
return self.build_def_files
def get_variables(self):
return self.variables
def sanity_check_ast(self):
if not isinstance(self.ast, mparser.CodeBlockNode):
raise InvalidCode('AST is of invalid type. Possibly a bug in the parser.')
if len(self.ast.lines) == 0:
raise InvalidCode('No statements in code.')
first = self.ast.lines[0]
if not isinstance(first, mparser.FunctionNode) or first.func_name != 'project':
raise InvalidCode('First statement must be a call to project')
def run(self):
self.evaluate_codeblock(self.ast)
mlog.log('Build targets in project:', mlog.bold(str(len(self.build.targets))))
def evaluate_codeblock(self, node):
if node is None:
return
if not isinstance(node, mparser.CodeBlockNode):
e = InvalidCode('Tried to execute a non-codeblock. Possibly a bug in the parser.')
e.lineno = node.lineno
e.colno = node.colno
raise e
statements = node.lines
i = 0
while i < len(statements):
cur = statements[i]
try:
self.evaluate_statement(cur)
except Exception as e:
if not(hasattr(e, 'lineno')):
e.lineno = cur.lineno
e.colno = cur.colno
e.file = os.path.join(self.subdir, 'meson.build')
raise e
i += 1 # In THE FUTURE jump over blocks and stuff.
def get_variable(self, varname):
if varname in self.builtin:
return self.builtin[varname]
if varname in self.variables:
return self.variables[varname]
raise InvalidCode('Unknown variable "%s".' % varname)
def func_set_variable(self, node, args, kwargs):
if len(args) != 2:
raise InvalidCode('Set_variable takes two arguments.')
varname = args[0]
value = self.to_native(args[1])
self.set_variable(varname, value)
@stringArgs
@noKwargs
def func_import(self, node, args, kwargs):
if len(args) != 1:
raise InvalidCode('Import takes one argument.')
modname = args[0]
if not modname in self.environment.coredata.modules:
module = importlib.import_module('modules.' + modname).initialize()
self.environment.coredata.modules[modname] = module
return ModuleHolder(modname, self.environment.coredata.modules[modname], self)
@stringArgs
@noKwargs
def func_files(self, node, args, kwargs):
return [mesonlib.File.from_source_file(self.environment.source_dir, self.subdir, fname) for fname in args]
@noPosargs
def func_declare_dependency(self, node, args, kwargs):
incs = kwargs.get('include_directories', [])
if not isinstance(incs, list):
incs = [incs]
libs = kwargs.get('link_with', [])
if not isinstance(libs, list):
libs = [libs]
sources = kwargs.get('sources', [])
if not isinstance(sources, list):
sources = [sources]
sources = self.source_strings_to_files(self.flatten(sources))
dep = dependencies.InternalDependency(incs, libs, sources)
return InternalDependencyHolder(dep)
def set_variable(self, varname, variable):
if variable is None:
raise InvalidCode('Can not assign None to variable.')
if not isinstance(varname, str):
raise InvalidCode('First argument to set_variable must be a string.')
if not self.is_assignable(variable):
raise InvalidCode('Assigned value not of assignable type.')
if re.fullmatch('[_a-zA-Z][_0-9a-zA-Z]*', varname) is None:
raise InvalidCode('Invalid variable name: ' + varname)
if varname in self.builtin:
raise InvalidCode('Tried to overwrite internal variable "%s"' % varname)
self.variables[varname] = variable
def evaluate_statement(self, cur):
if isinstance(cur, mparser.FunctionNode):
return self.function_call(cur)
elif isinstance(cur, mparser.AssignmentNode):
return self.assignment(cur)
elif isinstance(cur, mparser.MethodNode):
return self.method_call(cur)
elif isinstance(cur, mparser.StringNode):
return cur.value
elif isinstance(cur, mparser.BooleanNode):
return cur.value
elif isinstance(cur, mparser.IfClauseNode):
return self.evaluate_if(cur)
elif isinstance(cur, mparser.IdNode):
return self.get_variable(cur.value)
elif isinstance(cur, mparser.ComparisonNode):
return self.evaluate_comparison(cur)
elif isinstance(cur, mparser.ArrayNode):
return self.evaluate_arraystatement(cur)
elif isinstance(cur, mparser.NumberNode):
return cur.value
elif isinstance(cur, mparser.AndNode):
return self.evaluate_andstatement(cur)
elif isinstance(cur, mparser.OrNode):
return self.evaluate_orstatement(cur)
elif isinstance(cur, mparser.NotNode):
return self.evaluate_notstatement(cur)
elif isinstance(cur, mparser.UMinusNode):
return self.evaluate_uminusstatement(cur)
elif isinstance(cur, mparser.ArithmeticNode):
return self.evaluate_arithmeticstatement(cur)
elif isinstance(cur, mparser.ForeachClauseNode):
return self.evaluate_foreach(cur)
elif self.is_elementary_type(cur):
return cur
else:
raise InvalidCode("Unknown statement.")
def validate_arguments(self, args, argcount, arg_types):
if argcount is not None:
if argcount != len(args):
raise InvalidArguments('Expected %d arguments, got %d.' %
(argcount, len(args)))
for i in range(min(len(args), len(arg_types))):
wanted = arg_types[i]
actual = args[i]
if wanted != None:
if not isinstance(actual, wanted):
raise InvalidArguments('Incorrect argument type.')
def func_run_command(self, node, args, kwargs):
if len(args) < 1:
raise InterpreterException('Not enough arguments')
cmd = args[0]
cargs = args[1:]
if isinstance(cmd, ExternalProgramHolder):
cmd = cmd.get_command()
elif isinstance(cmd, str):
cmd = [cmd]
else:
raise InterpreterException('First argument is of incorrect type.')
check_stringlist(cargs, 'Run_command arguments must be strings.')
args = cmd + cargs
in_builddir = kwargs.get('in_builddir', False)
if not isinstance(in_builddir, bool):
raise InterpreterException('in_builddir must be boolean.')
return RunProcess(args, self.environment.source_dir, self.environment.build_dir,
self.subdir, in_builddir)
@stringArgs
def func_gettext(self, nodes, args, kwargs):
if len(args) != 1:
raise InterpreterException('Gettext requires one positional argument (package name).')
packagename = args[0]
languages = kwargs.get('languages', None)
check_stringlist(languages, 'Argument languages must be a list of strings.')
# TODO: check that elements are strings
if len(self.build.pot) > 0:
raise InterpreterException('More than one gettext definition currently not supported.')
self.build.pot.append((packagename, languages, self.subdir))
def func_option(self, nodes, args, kwargs):
raise InterpreterException('Tried to call option() in build description file. All options must be in the option file.')
def func_pkgconfig_gen(self, nodes, args, kwargs):
if len(args) > 0:
raise InterpreterException('Pkgconfig_gen takes no positional arguments.')
libs = kwargs.get('libraries', [])
if not isinstance(libs, list):
libs = [libs]
for l in libs:
if not (isinstance(l, SharedLibraryHolder) or isinstance(l, StaticLibraryHolder)):
raise InterpreterException('Library argument not a library object.')
subdirs = kwargs.get('subdirs', ['.'])
if not isinstance(subdirs, list):
subdirs = [subdirs]
for h in subdirs:
if not isinstance(h, str):
raise InterpreterException('Header argument not string.')
version = kwargs.get('version', '')
if not isinstance(version, str):
raise InterpreterException('Version must be a string.')
name = kwargs.get('name', None)
if not isinstance(name, str):
raise InterpreterException('Name not specified.')
filebase = kwargs.get('filebase', name)
if not isinstance(filebase, str):
raise InterpreterException('Filebase must be a string.')
description = kwargs.get('description', None)
if not isinstance(description, str):
raise InterpreterException('Description is not a string.')
p = build.PkgConfigGenerator(libs, subdirs, name, description, version, filebase)
self.build.pkgconfig_gens.append(p)
@stringArgs
@noKwargs
def func_subproject(self, nodes, args, kwargs):
if len(args) != 1:
raise InterpreterException('Subproject takes exactly one argument')
dirname = args[0]
if self.subdir != '':
segs = os.path.split(self.subdir)
if len(segs) != 2 or segs[0] != self.subproject_dir:
raise InterpreterException('Subprojects must be defined at the root directory.')
if dirname in self.subproject_stack:
fullstack = self.subproject_stack + [dirname]
incpath = ' => '.join(fullstack)
raise InterpreterException('Recursive include of subprojects: %s.' % incpath)
if dirname in self.subprojects:
return self.subprojects[dirname]
subdir = os.path.join(self.subproject_dir, dirname)
r = wrap.Resolver(os.path.join(self.build.environment.get_source_dir(), self.subproject_dir))
resolved = r.resolve(dirname)
if resolved is None:
raise InterpreterException('Subproject directory does not exist and can not be downloaded.')
subdir = os.path.join(self.subproject_dir, resolved)
os.makedirs(os.path.join(self.build.environment.get_build_dir(), subdir), exist_ok=True)
self.global_args_frozen = True
mlog.log('\nExecuting subproject ', mlog.bold(dirname), '.\n', sep='')
subi = Interpreter(self.build, dirname, subdir, self.subproject_dir)
subi.subprojects = self.subprojects
subi.subproject_stack = self.subproject_stack + [dirname]
subi.run()
mlog.log('\nSubproject', mlog.bold(dirname), 'finished.')
self.build.subprojects[dirname] = True
self.subprojects.update(subi.subprojects)
self.subprojects[dirname] = SubprojectHolder(subi)
self.build_def_files += subi.build_def_files
return self.subprojects[dirname]
@stringArgs
@noKwargs
def func_get_option(self, nodes, args, kwargs):
if len(args) != 1:
raise InterpreterException('Argument required for get_option.')
optname = args[0]
if optname not in coredata.builtin_options and self.is_subproject():
optname = self.subproject + ':' + optname
try:
return self.environment.get_coredata().get_builtin_option(optname)
except RuntimeError:
pass
if optname not in self.environment.coredata.user_options:
raise InterpreterException('Tried to access unknown option "%s".' % optname)
return self.environment.coredata.user_options[optname].value
@noKwargs
def func_configuration_data(self, node, args, kwargs):
if len(args) != 0:
raise InterpreterException('configuration_data takes no arguments')
return ConfigurationDataHolder()
@stringArgs
def func_project(self, node, args, kwargs):
if len(args) < 2:
raise InvalidArguments('Not enough arguments to project(). Needs at least the project name and one language')
if list(kwargs.keys()) != ['subproject_dir'] and len(kwargs) != 0:
raise InvalidArguments('project() only accepts the keyword argument "subproject_dir"')
if not self.is_subproject():
self.build.project_name = args[0]
if self.subproject in self.build.projects:
raise InvalidCode('Second call to project().')
if not self.is_subproject() and 'subproject_dir' in kwargs:
self.subproject_dir = kwargs['subproject_dir']
self.build.projects[self.subproject] = args[0]
mlog.log('Project name: ', mlog.bold(args[0]), sep='')
self.add_languages(node, args[1:])
langs = self.coredata.compilers.keys()
if 'vala' in langs:
if not 'c' in langs:
raise InterpreterException('Compiling Vala requires a C compiler')
@noKwargs
@stringArgs
def func_add_languages(self, node, args, kwargs):
self.add_languages(node, args)
@noKwargs
def func_message(self, node, args, kwargs):
# reduce arguments again to avoid flattening posargs
(posargs, kwargs) = self.reduce_arguments(node.args)
if len(posargs) != 1:
raise InvalidArguments('Expected 1 argument, got %d' % len(posargs))
arg = posargs[0]
if isinstance(arg, list):
argstr = stringifyUserArguments(arg)
elif isinstance(arg, str):
argstr = arg
elif isinstance(arg, int):
argstr = str(arg)
else:
raise InvalidArguments('Function accepts only strings, integers, lists and lists thereof.')
mlog.log(mlog.bold('Message:'), argstr)
return
@noKwargs
def func_error(self, node, args, kwargs):
self.validate_arguments(args, 1, [str])
raise InterpreterException('Error encountered: ' + args[0])
def add_languages(self, node, args):
is_cross = self.environment.is_cross_build()
for lang in args:
lang = lang.lower()
if lang in self.coredata.compilers:
comp = self.coredata.compilers[lang]
cross_comp = self.coredata.cross_compilers.get(lang, None)
else:
cross_comp = None
if lang == 'c':
comp = self.environment.detect_c_compiler(False)
if is_cross:
cross_comp = self.environment.detect_c_compiler(True)
elif lang == 'cpp':
comp = self.environment.detect_cpp_compiler(False)
if is_cross:
cross_comp = self.environment.detect_cpp_compiler(True)
elif lang == 'objc':
comp = self.environment.detect_objc_compiler(False)
if is_cross:
cross_comp = self.environment.detect_objc_compiler(True)
elif lang == 'objcpp':
comp = self.environment.detect_objcpp_compiler(False)
if is_cross:
cross_comp = self.environment.detect_objcpp_compiler(True)
elif lang == 'java':
comp = self.environment.detect_java_compiler()
if is_cross:
cross_comp = comp # Java is platform independent.
elif lang == 'cs':
comp = self.environment.detect_cs_compiler()
if is_cross:
cross_comp = comp # C# is platform independent.
elif lang == 'vala':
comp = self.environment.detect_vala_compiler()
if is_cross:
cross_comp = comp # Vala is too (I think).
elif lang == 'rust':
comp = self.environment.detect_rust_compiler()
if is_cross:
cross_comp = comp # FIXME, probably not correct.
elif lang == 'fortran':
comp = self.environment.detect_fortran_compiler(False)
if is_cross:
cross_comp = self.environment.detect_fortran_compiler(True)
else:
raise InvalidCode('Tried to use unknown language "%s".' % lang)
comp.sanity_check(self.environment.get_scratch_dir())
self.coredata.compilers[lang] = comp
if cross_comp is not None:
self.coredata.cross_compilers[lang] = cross_comp
mlog.log('Native %s compiler: ' % lang, mlog.bold(' '.join(comp.get_exelist())), ' (%s %s)' % (comp.id, comp.version), sep='')
if not comp.get_language() in self.coredata.external_args:
(ext_compile_args, ext_link_args) = environment.get_args_from_envvars(comp.get_language())
self.coredata.external_args[comp.get_language()] = ext_compile_args
self.coredata.external_link_args[comp.get_language()] = ext_link_args
self.build.add_compiler(comp)
if is_cross:
mlog.log('Cross %s compiler: ' % lang, mlog.bold(' '.join(cross_comp.get_exelist())), ' (%s %s)' % (cross_comp.id, cross_comp.version), sep='')
self.build.add_cross_compiler(cross_comp)
def func_find_program(self, node, args, kwargs):
self.validate_arguments(args, 1, [str])
required = kwargs.get('required', True)
if not isinstance(required, bool):
raise InvalidArguments('"required" argument must be a boolean.')
exename = args[0]
if exename in self.coredata.ext_progs and\
self.coredata.ext_progs[exename].found():
return ExternalProgramHolder(self.coredata.ext_progs[exename])
# Search for scripts relative to current subdir.
search_dir = os.path.join(self.environment.get_source_dir(), self.subdir)
extprog = dependencies.ExternalProgram(exename, search_dir=search_dir)
progobj = ExternalProgramHolder(extprog)
self.coredata.ext_progs[exename] = extprog
if required and not progobj.found():
raise InvalidArguments('Program "%s" not found.' % exename)
return progobj
def func_find_library(self, node, args, kwargs):
self.validate_arguments(args, 1, [str])
required = kwargs.get('required', True)
if not isinstance(required, bool):
raise InvalidArguments('"required" argument must be a boolean.')
libname = args[0]
if libname in self.coredata.ext_libs and\
self.coredata.ext_libs[libname].found():
return ExternalLibraryHolder(self.coredata.ext_libs[libname])
if 'dirs' in kwargs:
search_dirs = kwargs['dirs']
if not isinstance(search_dirs, list):
search_dirs = [search_dirs]
for i in search_dirs:
if not isinstance(i, str):
raise InvalidCode('Directory entry is not a string.')
if not os.path.isabs(i):
raise InvalidCode('Search directory %s is not an absolute path.' % i)
else:
search_dirs = None
result = self.environment.find_library(libname, search_dirs)
extlib = dependencies.ExternalLibrary(libname, result)
libobj = ExternalLibraryHolder(extlib)
self.coredata.ext_libs[libname] = extlib
if required and not libobj.found():
raise InvalidArguments('External library "%s" not found.' % libname)
return libobj
def func_dependency(self, node, args, kwargs):
self.validate_arguments(args, 1, [str])
name = args[0]
identifier = dependencies.get_dep_identifier(name, kwargs)
if identifier in self.coredata.deps:
dep = self.coredata.deps[identifier]
else:
dep = dependencies.Dependency() # Returns always false for dep.found()
if not dep.found():
dep = dependencies.find_external_dependency(name, self.environment, kwargs)
self.coredata.deps[identifier] = dep
return DependencyHolder(dep)
def func_executable(self, node, args, kwargs):
return self.build_target(node, args, kwargs, ExecutableHolder)
def func_static_lib(self, node, args, kwargs):
return self.build_target(node, args, kwargs, StaticLibraryHolder)
def func_shared_lib(self, node, args, kwargs):
return self.build_target(node, args, kwargs, SharedLibraryHolder)
def func_jar(self, node, args, kwargs):
return self.build_target(node, args, kwargs, JarHolder)
def func_build_target(self, node, args, kwargs):
if 'target_type' not in kwargs:
raise InterpreterException('Missing target_type keyword argument')
target_type = kwargs.pop('target_type')
if target_type == 'executable':
return self.func_executable(node, args, kwargs)
elif target_type == 'shared_library':
return self.func_shared_lib(node, args, kwargs)
elif target_type == 'static_library':
return self.func_static_lib(node, args, kwargs)
elif target_type == 'jar':
return self.func_jar(node, args, kwargs)
else:
raise InterpreterException('Unknown target_type.')
def func_vcs_tag(self, node, args, kwargs):
fallback = kwargs.pop('fallback', None)
if not isinstance(fallback, str):
raise InterpreterException('Keyword argument must exist and be a string.')
replace_string = kwargs.pop('replace_string', '@VCS_TAG@')
regex_selector = '(.*)' # default regex selector for custom command: use complete output
vcs_cmd = kwargs.get('command', None)
if vcs_cmd and not isinstance(vcs_cmd, list):
vcs_cmd = [vcs_cmd]
source_dir = os.path.normpath(os.path.join(self.environment.get_source_dir(), self.subdir))
if vcs_cmd:
# Is the command an executable in path or maybe a script in the source tree?
vcs_cmd[0] = shutil.which(vcs_cmd[0]) or os.path.join(source_dir, vcs_cmd[0])
else:
vcs = mesonlib.detect_vcs(source_dir)
if vcs:
mlog.log('Found %s repository at %s' % (vcs['name'], vcs['wc_dir']))
vcs_cmd = vcs['get_rev'].split()
regex_selector = vcs['rev_regex']
else:
vcs_cmd = [' '] # executing this cmd will fail in vcstagger.py and force to use the fallback string
scriptfile = os.path.join(self.environment.get_script_dir(), 'vcstagger.py')
# vcstagger.py parameters: infile, outfile, fallback, source_dir, replace_string, regex_selector, command...
kwargs['command'] = [sys.executable, scriptfile, '@INPUT0@', '@OUTPUT0@', fallback, source_dir, replace_string, regex_selector] + vcs_cmd
kwargs.setdefault('build_always', True)
return self.func_custom_target(node, [kwargs['output']], kwargs)
@stringArgs
def func_custom_target(self, node, args, kwargs):
if len(args) != 1:
raise InterpreterException('Incorrect number of arguments')
name = args[0]
tg = CustomTargetHolder(build.CustomTarget(name, self.subdir, kwargs))
self.add_target(name, tg.held_object)
return tg
@stringArgs
@noKwargs
def func_run_target(self, node, args, kwargs):
if len(args) < 2:
raise InterpreterException('Incorrect number of arguments')
name = args[0]
command = args[1]
cmd_args = args[2:]
tg = RunTargetHolder(name, command, cmd_args, self.subdir)
self.add_target(name, tg.held_object)
return tg
def func_generator(self, node, args, kwargs):
gen = GeneratorHolder(self, args, kwargs)
self.generators.append(gen)
return gen
def func_test(self, node, args, kwargs):
if len(args) != 2:
raise InterpreterException('Incorrect number of arguments')
if not isinstance(args[0], str):
raise InterpreterException('First argument of test must be a string.')
if not isinstance(args[1], (ExecutableHolder, JarHolder, ExternalProgramHolder)):
raise InterpreterException('Second argument must be executable.')
par = kwargs.get('is_parallel', True)
if not isinstance(par, bool):
raise InterpreterException('Keyword argument is_parallel must be a boolean.')
cmd_args = kwargs.get('args', [])
if not isinstance(cmd_args, list):
cmd_args = [cmd_args]
for i in cmd_args:
if not isinstance(i, str):
raise InterpreterException('Command line arguments must be strings')
envlist = kwargs.get('env', [])
if not isinstance(envlist, list):
envlist = [envlist]
env = {}
for e in envlist:
if '=' not in e:
raise InterpreterException('Env var definition must be of type key=val.')
(k, val) = e.split('=', 1)
k = k.strip()
val = val.strip()
if ' ' in k:
raise InterpreterException('Env var key must not have spaces in it.')
env[k] = val
valgrind_args = kwargs.get('valgrind_args', [])
if not isinstance(valgrind_args, list):
valgrind_args = [valgrind_args]
for a in valgrind_args:
if not isinstance(a, str):
raise InterpreterException('Valgrind_arg not a string.')
should_fail = kwargs.get('should_fail', False)
if not isinstance(should_fail, bool):
raise InterpreterException('Keyword argument should_fail must be a boolean.')
timeout = kwargs.get('timeout', 30)
if not isinstance(timeout, int):
raise InterpreterException('Timeout must be an integer.')
t = Test(args[0], args[1].held_object, par, cmd_args, env, should_fail, valgrind_args, timeout)
self.build.tests.append(t)
mlog.debug('Adding test "', mlog.bold(args[0]), '".', sep='')
@stringArgs
def func_install_headers(self, node, args, kwargs):
h = Headers(self.subdir, args, kwargs)
self.build.headers.append(h)
return h
@stringArgs
def func_install_man(self, node, args, kwargs):
m = Man(self.subdir, args, kwargs)
self.build.man.append(m)
return m
@noKwargs
def func_subdir(self, node, args, kwargs):
self.validate_arguments(args, 1, [str])
if '..' in args[0]:
raise InvalidArguments('Subdir contains ..')
if self.subdir == '' and args[0] == self.subproject_dir:
raise InvalidArguments('Must not go into subprojects dir with subdir(), use subproject() instead.')
prev_subdir = self.subdir
subdir = os.path.join(prev_subdir, args[0])
if subdir in self.visited_subdirs:
raise InvalidArguments('Tried to enter directory "%s", which has already been visited.'\
% subdir)
self.visited_subdirs[subdir] = True
self.subdir = subdir
try:
os.mkdir(os.path.join(self.environment.build_dir, subdir))
except FileExistsError:
pass
buildfilename = os.path.join(self.subdir, environment.build_filename)
self.build_def_files.append(buildfilename)
absname = os.path.join(self.environment.get_source_dir(), buildfilename)
if not os.path.isfile(absname):
raise InterpreterException('Nonexistant build def file %s.' % buildfilename)
code = open(absname).read()
assert(isinstance(code, str))
try:
codeblock = mparser.Parser(code).parse()
except coredata.MesonException as me:
me.file = buildfilename
raise me
self.evaluate_codeblock(codeblock)
self.subdir = prev_subdir
@stringArgs
def func_install_data(self, node, args, kwargs):
data = Data(True, self.subdir, args, kwargs)
self.build.data.append(data)
return data
@stringArgs
def func_install_subdir(self, node, args, kwargs):
if len(args) != 1:
raise InvalidArguments('Install_subdir requires exactly one argument.')
if not 'install_dir' in kwargs:
raise InvalidArguments('Missing keyword argument install_dir')
install_dir = kwargs['install_dir']
if not isinstance(install_dir, str):
raise InvalidArguments('Keyword argument install_dir not a string.')
idir = InstallDir(self.subdir, args[0], install_dir)
self.build.install_dirs.append(idir)
return idir
def func_configure_file(self, node, args, kwargs):
if len(args) > 0:
raise InterpreterException("configure_file takes only keyword arguments.")
if not 'input' in kwargs:
raise InterpreterException('Required keyword argument "input" not defined.')
if not 'output' in kwargs:
raise InterpreterException('Required keyword argument "output" not defined.')
inputfile = kwargs['input']
output = kwargs['output']
if not isinstance(inputfile, str):
raise InterpreterException('Input must be a string.')
if not isinstance(output, str):
raise InterpreterException('Output must be a string.')
if 'configuration' in kwargs:
conf = kwargs['configuration']
if not isinstance(conf, ConfigurationDataHolder):
raise InterpreterException('Argument "configuration" is not of type configuration_data')
conffile = os.path.join(self.subdir, inputfile)
self.build_def_files.append(conffile)
os.makedirs(os.path.join(self.environment.build_dir, self.subdir), exist_ok=True)
ifile_abs = os.path.join(self.environment.source_dir, self.subdir, inputfile)
ofile_abs = os.path.join(self.environment.build_dir, self.subdir, output)
mesonlib.do_conf_file(ifile_abs, ofile_abs, conf.held_object)
conf.mark_used()
elif 'command' in kwargs:
res = self.func_run_command(node, kwargs['command'], {})
if res.returncode != 0:
raise InterpreterException('Running configure command failed.\n%s\n%s' %
(res.stdout, res.stderr))
else:
raise InterpreterException('Configure_file must have either "configuration" or "command".')
if isinstance(kwargs.get('install_dir', None), str):
self.build.data.append(Data(False, self.subdir, [output], kwargs))
# FIXME, HORROR, this is a massive hack to get this working. The correct
# solution is to finally do the refactoring where source files are no
# longer strings but actual objects. This is a major undertaking
# and will only be done after the next release.
outputfile = os.path.join(self.environment.build_dir, self.subdir, output)
return outputfile
@stringArgs
@noKwargs
def func_include_directories(self, node, args, kwargs):
absbase = os.path.join(self.environment.get_source_dir(), self.subdir)
for a in args:
absdir = os.path.join(absbase, a)
if not os.path.isdir(absdir):
raise InvalidArguments('Include dir %s does not exist.' % a)
i = IncludeDirsHolder(self.subdir, args)
return i
@stringArgs
def func_add_global_arguments(self, node, args, kwargs):
if self.subproject != '':
raise InvalidCode('Global arguments can not be set in subprojects because there is no way to make that reliable.')
if self.global_args_frozen:
raise InvalidCode('Tried to set global arguments after a build target has been declared.\nThis is not permitted. Please declare all global arguments before your targets.')
if not 'language' in kwargs:
raise InvalidCode('Missing language definition in add_global_arguments')
lang = kwargs['language'].lower()
if lang in self.build.global_args:
self.build.global_args[lang] += args
else:
self.build.global_args[lang] = args
def flatten(self, args):
if isinstance(args, mparser.StringNode):
return args.value
if isinstance(args, str):
return args
if isinstance(args, InterpreterObject):
return args
if isinstance(args, int):
return args
result = []
for a in args:
if isinstance(a, list):
rest = self.flatten(a)
result = result + rest
elif isinstance(a, mparser.StringNode):
result.append(a.value)
else:
result.append(a)
return result
def source_strings_to_files(self, sources):
results = []
for s in sources:
if isinstance(s, mesonlib.File) or isinstance(s, GeneratedListHolder) or \
isinstance(s, CustomTargetHolder):
pass
elif isinstance(s, str):
s = mesonlib.File.from_source_file(self.environment.source_dir, self.subdir, s)
else:
raise InterpreterException("Source item is not string or File-type object.")
results.append(s)
return results
def add_target(self, name, tobj):
if name in coredata.forbidden_target_names:
raise InvalidArguments('Target name "%s" is reserved for Meson\'s internal use. Please rename.'\
% name)
# To permit an executable and a shared library to have the
# same name, such as "foo.exe" and "libfoo.a".
idname = name + tobj.type_suffix()
if idname in self.build.targets:
raise InvalidCode('Tried to create target "%s", but a target of that name already exists.' % name)
self.build.targets[idname] = tobj
if idname not in self.coredata.target_guids:
self.coredata.target_guids[idname] = str(uuid.uuid4()).upper()
def build_target(self, node, args, kwargs, targetholder):
name = args[0]
sources = args[1:]
if self.environment.is_cross_build():
if kwargs.get('native', False):
is_cross = False
else:
is_cross = True
else:
is_cross = False
try:
kw_src = self.flatten(kwargs['sources'])
if not isinstance(kw_src, list):
kw_src = [kw_src]
except KeyError:
kw_src = []
sources += kw_src
sources = self.source_strings_to_files(sources)
objs = self.flatten(kwargs.get('objects', []))
kwargs['dependencies'] = self.flatten(kwargs.get('dependencies', []))
if not isinstance(objs, list):
objs = [objs]
self.check_sources_exist(os.path.join(self.source_root, self.subdir), sources)
if targetholder is ExecutableHolder:
targetclass = build.Executable
elif targetholder is SharedLibraryHolder:
targetclass = build.SharedLibrary
elif targetholder is StaticLibraryHolder:
targetclass = build.StaticLibrary
elif targetholder is JarHolder:
targetclass = build.Jar
else:
mlog.debug('Unknown target type:', str(targetholder))
raise RuntimeError('Unreachable code')
target = targetclass(name, self.subdir, is_cross, sources, objs, self.environment, kwargs)
l = targetholder(target)
self.add_target(name, l.held_object)
self.global_args_frozen = True
return l
def check_sources_exist(self, subdir, sources):
for s in sources:
if not isinstance(s, str):
continue # This means a generated source and they always exist.
fname = os.path.join(subdir, s)
if not os.path.isfile(fname):
raise InterpreterException('Tried to add non-existing source %s.' % s)
def function_call(self, node):
func_name = node.func_name
(posargs, kwargs) = self.reduce_arguments(node.args)
if func_name in self.funcs:
return self.funcs[func_name](node, self.flatten(posargs), kwargs)
else:
raise InvalidCode('Unknown function "%s".' % func_name)
def is_assignable(self, value):
if isinstance(value, InterpreterObject) or \
isinstance(value, dependencies.Dependency) or\
isinstance(value, str) or\
isinstance(value, int) or \
isinstance(value, list) or \
isinstance(value, mesonlib.File):
return True
return False
def assignment(self, node):
assert(isinstance(node, mparser.AssignmentNode))
var_name = node.var_name
if not isinstance(var_name, str):
raise InvalidArguments('Tried to assign value to a non-variable.')
value = self.evaluate_statement(node.value)
value = self.to_native(value)
if not self.is_assignable(value):
raise InvalidCode('Tried to assign an invalid value to variable.')
self.set_variable(var_name, value)
return value
def reduce_arguments(self, args):
assert(isinstance(args, mparser.ArgumentNode))
if args.incorrect_order():
raise InvalidArguments('All keyword arguments must be after positional arguments.')
reduced_pos = [self.evaluate_statement(arg) for arg in args.arguments]
reduced_kw = {}
for key in args.kwargs.keys():
if not isinstance(key, str):
raise InvalidArguments('Keyword argument name is not a string.')
a = args.kwargs[key]
reduced_kw[key] = self.evaluate_statement(a)
if not isinstance(reduced_pos, list):
reduced_pos = [reduced_pos]
return (reduced_pos, reduced_kw)
def string_method_call(self, obj, method_name, args):
obj = self.to_native(obj)
if method_name == 'strip':
return obj.strip()
elif method_name == 'format':
return self.format_string(obj, args)
elif method_name == 'split':
(posargs, _) = self.reduce_arguments(args)
if len(posargs) > 1:
raise InterpreterException('Split() must have at most one argument.')
elif len(posargs) == 1:
s = posargs[0]
if not isinstance(s, str):
raise InterpreterException('Split() argument must be a string')
return obj.split(s)
else:
return obj.split()
raise InterpreterException('Unknown method "%s" for a string.' % method_name)
def to_native(self, arg):
if isinstance(arg, mparser.StringNode) or \
isinstance(arg, mparser.NumberNode) or \
isinstance(arg, mparser.BooleanNode):
return arg.value
return arg
def format_string(self, templ, args):
templ = self.to_native(templ)
if isinstance(args, mparser.ArgumentNode):
args = args.arguments
for (i, arg) in enumerate(args):
arg = self.to_native(self.evaluate_statement(arg))
if isinstance(arg, bool): # Python boolean is upper case.
arg = str(arg).lower()
templ = templ.replace('@{}@'.format(i), str(arg))
return templ
def method_call(self, node):
invokable = node.source_object
if isinstance(invokable, mparser.IdNode):
object_name = invokable.value
obj = self.get_variable(object_name)
else:
obj = self.evaluate_statement(invokable)
method_name = node.name
if method_name == 'extract_objects' and self.environment.coredata.unity:
raise InterpreterException('Single object files can not be extracted in Unity builds.')
args = node.args
if isinstance(obj, mparser.StringNode):
obj = obj.get_value()
if isinstance(obj, str):
return self.string_method_call(obj, method_name, args)
if isinstance(obj, list):
return self.array_method_call(obj, method_name, self.reduce_arguments(args)[0])
if not isinstance(obj, InterpreterObject):
raise InvalidArguments('Variable "%s" is not callable.' % object_name)
(args, kwargs) = self.reduce_arguments(args)
if method_name == 'extract_objects':
self.validate_extraction(obj.held_object)
return obj.method_call(method_name, args, kwargs)
# Only permit object extraction from the same subproject
def validate_extraction(self, buildtarget):
if not self.subdir.startswith(self.subproject_dir):
if buildtarget.subdir.startswith(self.subproject_dir):
raise InterpreterException('Tried to extract objects from a subproject target.')
else:
if not buildtarget.subdir.startswith(self.subproject_dir):
raise InterpreterException('Tried to extract objects from the main project from a subproject.')
if self.subdir.split('/')[1] != buildtarget.subdir.split('/')[1]:
raise InterpreterException('Tried to extract objects from a different subproject.')
def array_method_call(self, obj, method_name, args):
if method_name == 'contains':
return self.check_contains(obj, args)
elif method_name == 'get':
index = args[0]
if not isinstance(index, int):
raise InvalidArguments('Array index must be a number.')
if index < -len(obj) or index >= len(obj):
raise InvalidArguments('Array index %s is out of bounds for array of size %d.' % (index, len(obj)))
return obj[index]
raise InterpreterException('Arrays do not have a method called "%s".' % method_name)
def check_contains(self, obj, args):
if len(args) != 1:
raise InterpreterException('Contains method takes exactly one argument.')
item = args[0]
for element in obj:
if isinstance(element, list):
found = self.check_contains(element, args)
if found:
return True
try:
if element == item:
return True
except Exception:
pass
return False
def evaluate_if(self, node):
assert(isinstance(node, mparser.IfClauseNode))
for i in node.ifs:
result = self.evaluate_statement(i.condition)
if not(isinstance(result, bool)):
print(result)
raise InvalidCode('If clause does not evaluate to true or false.')
if result:
self.evaluate_codeblock(i.block)
return
if not isinstance(node.elseblock, mparser.EmptyNode):
self.evaluate_codeblock(node.elseblock)
def evaluate_foreach(self, node):
assert(isinstance(node, mparser.ForeachClauseNode))
varname = node.varname.value
items = self.evaluate_statement(node.items)
if not isinstance(items, list):
raise InvalidArguments('Items of foreach loop is not an array')
for item in items:
self.set_variable(varname, item)
self.evaluate_codeblock(node.block)
def is_elementary_type(self, v):
if isinstance(v, (int, float, str, bool, list)):
return True
return False
def evaluate_comparison(self, node):
v1 = self.evaluate_statement(node.left)
v2 = self.evaluate_statement(node.right)
if self.is_elementary_type(v1):
val1 = v1
else:
val1 = v1.value
if self.is_elementary_type(v2):
val2 = v2
else:
val2 = v2.value
if node.ctype == '==':
return val1 == val2
elif node.ctype == '!=':
return val1 != val2
else:
raise InvalidCode('You broke me.')
def evaluate_andstatement(self, cur):
l = self.evaluate_statement(cur.left)
if isinstance(l, mparser.BooleanNode):
l = l.value
if not isinstance(l, bool):
raise InterpreterException('First argument to "and" is not a boolean.')
if not l:
return False
r = self.evaluate_statement(cur.right)
if isinstance(r, mparser.BooleanNode):
r = r.value
if not isinstance(r, bool):
raise InterpreterException('Second argument to "and" is not a boolean.')
return r
def evaluate_orstatement(self, cur):
l = self.evaluate_statement(cur.left)
if isinstance(l, mparser.BooleanNode):
l = l.get_value()
if not isinstance(l, bool):
raise InterpreterException('First argument to "or" is not a boolean.')
if l:
return True
r = self.evaluate_statement(cur.right)
if isinstance(r, mparser.BooleanNode):
r = r.get_value()
if not isinstance(r, bool):
raise InterpreterException('Second argument to "or" is not a boolean.')
return r
def evaluate_notstatement(self, cur):
v = self.evaluate_statement(cur.value)
if isinstance(v, mparser.BooleanNode):
v = v.value
if not isinstance(v, bool):
raise InterpreterException('Argument to "not" is not a boolean.')
return not v
def evaluate_uminusstatement(self, cur):
v = self.evaluate_statement(cur.value)
if isinstance(v, mparser.NumberNode):
v = v.value
if not isinstance(v, int):
raise InterpreterException('Argument to negation is not an integer.')
return -v
def evaluate_arithmeticstatement(self, cur):
l = self.to_native(self.evaluate_statement(cur.left))
r = self.to_native(self.evaluate_statement(cur.right))
if cur.operation == 'add':
try:
return l + r
except Exception as e:
raise InvalidCode('Invalid use of addition: ' + str(e))
elif cur.operation == 'sub':
if not isinstance(l, int) or not isinstance(r, int):
raise InvalidCode('Subtraction works only with integers.')
return l - r
elif cur.operation == 'mul':
if not isinstance(l, int) or not isinstance(r, int):
raise InvalidCode('Multiplication works only with integers.')
return l * r
elif cur.operation == 'div':
if not isinstance(l, int) or not isinstance(r, int):
raise InvalidCode('Division works only with integers.')
return l // r
else:
raise InvalidCode('You broke me.')
def evaluate_arraystatement(self, cur):
(arguments, kwargs) = self.reduce_arguments(cur.args)
if len(kwargs) > 0:
raise InvalidCode('Keyword arguments are invalid in array construction.')
return arguments
def is_subproject(self):
return self.subproject != ''
|