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
|
{-# LANGUAGE CPP #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE ViewPatterns #-}
{-# LANGUAGE StrictData #-}
module HaskellCodeExplorer.AST.TypecheckedSource
( ASTState(..)
, Environment(..)
, TypeError(..)
, foldTypecheckedSource
, mkIdentifierInfo
, mkIdentifierOccurrence
, mkType
, removeOverlappingInterval
) where
import Bag (bagToList)
import BasicTypes (Origin(..))
import Class (Class, classTyVars)
import ConLike (ConLike(..)
#if MIN_VERSION_GLASGOW_HASKELL(8,2,2,0)
, conLikeWrapId_maybe
#endif
)
import Control.Monad (return, unless, void)
import Control.Monad.State.Strict (State, get, modify')
import qualified Data.HashMap.Strict as HM
import qualified Data.IntMap.Strict as IM
import qualified Data.IntervalMap.Strict as IVM
import qualified Data.Map.Strict as M
import Data.Maybe (Maybe, fromMaybe, mapMaybe)
import qualified Data.Set as S
import qualified Data.Text as T
import DataCon (dataConWorkId)
import DynFlags (DynFlags)
import FastString (mkFastString)
import HaskellCodeExplorer.GhcUtils
import qualified HaskellCodeExplorer.Types as HCE
import HsBinds (RecordPatSynField(..)
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
#else
, HsPatSynDetails (..)
#endif
)
import HsSyn
( ABExport(..)
, ApplicativeArg(..)
, ArithSeqInfo(..)
, FieldOcc(..)
, GRHS(..)
, GRHSs(..)
, HsBindLR(..)
, HsCmd(..)
, HsCmdTop(..)
, HsConDetails(..)
, HsConPatDetails
, HsExpr(..)
, HsLocalBindsLR(..)
, HsOverLit(..)
, HsRecField'(..)
, HsRecFields(..)
, HsTupArg(..)
, HsValBindsLR(..)
, HsValBindsLR(..)
, LGRHS
, LHsBindLR
, LHsBinds
, LHsCmd
, LHsCmd
, LHsCmdTop
, LHsExpr
, LHsRecField
, LHsRecUpdField
, LHsTupArg
, LMatch
, LPat
, LStmtLR
, Match(..)
, Match(..)
, MatchGroup(..)
, ParStmtBlock(..)
, Pat(..)
, PatSynBind(..)
, StmtLR(..)
, selectorAmbiguousFieldOcc
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
, RecordConTc (..)
, RecordUpdTc (..)
, ListPatTc (..)
, OverLitTc (..)
, MatchGroupTc (..)
, NHsValBindsLR (..)
#endif
)
import HscTypes (TypeEnv, lookupTypeEnv)
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
import HsExtension (GhcTc)
#endif
import Id (idType)
import IdInfo (IdDetails(..))
import InstEnv
( ClsInst(..)
, InstEnvs
, instanceSig
, is_dfun
, lookupUniqueInstEnv
)
import Name (Name, nameOccName, nameUnique)
import Prelude hiding (span)
import SrcLoc
( GenLocated(..)
, SrcSpan(..)
, isGoodSrcSpan
, isOneLineSpan
, unLoc
#if MIN_VERSION_GLASGOW_HASKELL(8,8,1,0)
, cL
#endif
)
import TcEvidence (HsWrapper(..))
import TcHsSyn (conLikeResTy, hsLitType)
import Type
( TyThing(..)
, Type
#if MIN_VERSION_GLASGOW_HASKELL(8,2,2,0)
, nonDetCmpTypes
#else
, cmpTypes
#endif
, eqTypes
, eqType
, getClassPredTys_maybe
, mkFunTy
, mkFunTys
, splitForAllTys
, splitFunTy_maybe
, splitFunTys
, substTys
, tidyOpenType
, zipTvSubst
)
import TysWiredIn (mkListTy, mkTupleTy)
import Unique (getKey)
import Var (Id, Var, idDetails, isId, setVarName, setVarType, varName, varType)
import VarEnv (TidyEnv)
data ASTState = ASTState
{ astStateExprInfoMap :: !HCE.ExpressionInfoMap
-- ^ Type of each expression
, astStateIdOccMap :: !HCE.IdentifierOccurrenceMap
-- ^ Each occurrence of an identifier in a source code
, astStateIdSrcSpanMap :: !(M.Map SrcSpan (Var, Maybe (Type, [Type])))
-- ^ Intermediate data structure that is used to populate 'IdentifierOccurrenceMap'
-- and 'IdentifierInfoMap'.
-- 'SrcSpan' - location of an identifier in a source code
-- 'Type' - 'expected' type of an identifier
-- '[Type]' - types at which type variables are instantiated
, astStateTidyEnv :: !TidyEnv
-- ^ 'TidyEnv' is used to prevent name clashes of free type variables.
-- ('TidyEnv' contains all free type variables in scope)
, astStateHsWrapper :: !(Maybe HsWrapper)
-- ^ HsWrapper comes from 'HsWrap' constructor of 'HsExpr' datatype.
, astStateEnv :: !Environment
-- ^ 'Environment' doesn't change
, astStateTypeErrors :: [TypeError]
-- ^ Non-empty list of TypeError's indicates that most likely there is a bug in
-- a fold_something function in this module.
}
-- | A 'TypeError' means that an assumption about a type of an AST node is incorrect.
data TypeError = TypeError
{ typeErrorSrcSpan :: SrcSpan
, typeErrorMessage :: T.Text
, typeErrorASTNodeName :: T.Text
} deriving (Show, Eq)
data Environment = Environment
{ envDynFlags :: DynFlags
, envTypeEnv :: TypeEnv
, envInstEnv :: InstEnvs
, envTransformation :: HCE.SourceCodeTransformation
, envPackageId :: HCE.PackageId
, envCurrentModuleDefSites :: HCE.DefinitionSiteMap
, envFileMap :: HM.HashMap HCE.HaskellFilePath HCE.HaskellModulePath
, envDefSiteMap :: HM.HashMap HCE.HaskellModulePath HCE.DefinitionSiteMap
, envModuleNameMap :: HM.HashMap HCE.HaskellModuleName (HM.HashMap HCE.ComponentId HCE.HaskellModulePath)
, envExportedNames :: S.Set Name
, envComponentId :: HCE.ComponentId
}
-- | Indicates whether an expression consists of more than one token.
-- Simple expression : wildcard, literal
-- Composite expression : application, lambda abstraction,...
data ExprSort
= Simple
| Composite
deriving (Show, Eq)
exprSort :: HsExpr a -> ExprSort
exprSort HsVar {} = Simple
exprSort HsIPVar {} = Simple
exprSort HsOverLit {} = Simple
exprSort HsLit {} = Simple
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
exprSort (ExplicitTuple _ args _)
#else
exprSort (ExplicitTuple args _)
#endif
| null args = Simple
| otherwise = Composite
exprSort (ExplicitList _ _ args)
| null args = Simple
| otherwise = Composite
exprSort _ = Composite
patSort :: Pat a -> ExprSort
patSort WildPat {} = Simple
patSort LitPat {} = Simple
patSort NPat {} = Simple
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
patSort (ListPat _ pats)
#else
patSort (ListPat pats _ _)
#endif
| null pats = Simple
| otherwise = Composite
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
patSort (TuplePat _ pats _)
#else
patSort (TuplePat pats _ _)
#endif
| null pats = Simple
| otherwise = Composite
patSort _ = Composite
-- | Splits a type of a function, adds 'TypeError' to 'ASTState'
-- in case of failure.
splitFunTySafe ::
SrcSpan -> T.Text -> Type -> State ASTState (Maybe (Type, Type))
splitFunTySafe srcSpan astNode typ =
case splitFunTy_maybe typ of
Just (ty1, ty2) -> return $ Just (ty1, ty2)
Nothing -> do
flags <- envDynFlags . astStateEnv <$> get
let typeError =
TypeError
{ typeErrorSrcSpan = srcSpan
, typeErrorMessage = T.append "splitFunTy : " $ toText flags typ
, typeErrorASTNodeName = astNode
}
modify'
(\st -> st {astStateTypeErrors = typeError : astStateTypeErrors st})
return Nothing
-- | Splits a type of a function of two arguments, adds
-- 'TypeError' to 'ASTState' in case of a failure.
splitFunTy2Safe ::
SrcSpan -> T.Text -> Type -> State ASTState (Maybe (Type, Type, Type))
splitFunTy2Safe srcSpan astNode typ = do
tys <- splitFunTySafe srcSpan astNode typ
case tys of
Just (arg1, ty1) -> do
res <- splitFunTySafe srcSpan astNode ty1
case res of
Just (arg2, ty2) -> return $ Just (arg1, arg2, ty2)
Nothing -> return Nothing
Nothing -> return Nothing
-- | Returns result type of a function, adds 'TypeError' to
-- 'ASTState' in case of a failure.
funResultTySafe :: SrcSpan -> T.Text -> Type -> State ASTState (Maybe Type)
funResultTySafe srcSpan astNode typ =
fmap snd <$> splitFunTySafe srcSpan astNode typ
-- | Returns result type of a function of two arguments,
-- adds 'TypeError' to 'ASTState' in case of a failure.
funResultTy2Safe :: SrcSpan -> T.Text -> Type -> State ASTState (Maybe Type)
funResultTy2Safe srcSpan astNode typ = do
mbResTy1 <- funResultTySafe srcSpan astNode typ
case mbResTy1 of
Just resTy1 -> funResultTySafe srcSpan astNode resTy1
Nothing -> return Nothing
addIdentifierToIdSrcSpanMap ::
SrcSpan -> Id -> Maybe (Type, [Type]) -> State ASTState ()
addIdentifierToIdSrcSpanMap span identifier mbTypes
| isGoodSrcSpan span =
modify' $ \astState@ASTState {astStateIdSrcSpanMap = ids} ->
let ids' = M.insert span (identifier, mbTypes) ids
in astState {astStateIdSrcSpanMap = ids'}
addIdentifierToIdSrcSpanMap _ _ _ = return ()
-- | Updates 'ExpressionInfoMap' or 'IdentifierOccurrenceMap' depending
-- on 'ExprSort'.
addExprInfo :: SrcSpan -> Maybe Type -> T.Text -> ExprSort -> State ASTState ()
addExprInfo span mbType descr sort = do
transformation <- envTransformation . astStateEnv <$> get
case srcSpanToLineAndColNumbers transformation span of
Just (_file,(startLine, startCol), (endLine, endCol)) -> do
flags <- envDynFlags . astStateEnv <$> get
mbHsWrapper <- astStateHsWrapper <$> get
modify' $ \astState@ASTState {astStateExprInfoMap = exprInfoMap} ->
case sort of
Composite ->
let exprInfo =
HCE.ExpressionInfo
{exprType = mkType flags <$> mbType, description = descr}
interval =
IVM.OpenInterval (startLine, startCol) (endLine, endCol)
exprInfoMap' = IVM.insert interval exprInfo exprInfoMap
in astState {astStateExprInfoMap = exprInfoMap'}
Simple ->
let idOcc =
HCE.IdentifierOccurrence
{ internalId = Nothing
, internalIdFromRenamedSource = Nothing
, isBinder = False
, instanceResolution = Nothing
, idOccType =
case mbHsWrapper of
Just w -> mkType flags <$> (applyWrapper w <$> mbType)
Nothing -> mkType flags <$> mbType
, typeArguments = Nothing
, description = descr
, sort = HCE.ValueId
}
idOccMap =
IM.insertWith
removeOverlappingInterval
startLine
[((startCol, endCol), idOcc)]
(astStateIdOccMap astState)
in astState {astStateIdOccMap = idOccMap}
Nothing -> return ()
-- | Finds the first interval that overlaps with a new interval
-- and adds the smaller one of the two to the list. If there are no overlapping
-- intervals then this function adds a new interval to the list.
removeOverlappingInterval ::
forall a. [((Int, Int), a)] -> [((Int, Int), a)] -> [((Int, Int), a)]
removeOverlappingInterval [newInterval@((newStart, newEnd), _newVal)] intervals =
go intervals False
where
go ::
[((Int, Int), a)]
-> Bool -- If an overlapping interval is found
-> [((Int, Int), a)]
go (i:is) True = i : go is True
-- Current interval is inside new interval
go (interval@((s, e), _val):is) False
| newStart <= s && newEnd >= e = interval : go is True
-- New interval is inside current interval
go (((s, e), _val):is) False
| newStart >= s && newEnd <= e = newInterval : go is True
-- Intervals partially overlap
go (interval@((s, e), _val):is) False
| newStart >= s && newEnd >= e && newStart < e =
(if e - s >= newEnd - newStart
then newInterval
else interval) :
go is True
-- Intervals partially overlap
go (interval@((s, e), _val):is) False
| newStart <= s && newEnd <= e && newEnd > s =
(if e - s >= newEnd - newStart
then newInterval
else interval) :
go is True
-- Intervals don't overlap
go (interval:is) False = interval : go is False
go [] True = []
go [] False = [newInterval]
removeOverlappingInterval _ intervals = intervals
newtype InstTypes = InstTypes [Type]
instance Eq InstTypes where
(==) (InstTypes ts1) (InstTypes ts2) = eqTypes ts1 ts2
instance Ord InstTypes where
#if MIN_VERSION_GLASGOW_HASKELL(8,2,2,0)
compare (InstTypes ts1) (InstTypes ts2) = nonDetCmpTypes ts1 ts2
#else
compare (InstTypes ts1) (InstTypes ts2) = cmpTypes ts1 ts2
#endif
-- | Creates an instance resolution tree
traceInstanceResolution ::
Environment
-> Class
-> [Type] -- ^ Types at which type variables of a class are instantated
-> HCE.InstanceResolution
traceInstanceResolution environment c ts = go c ts S.empty
where
flags = envDynFlags environment
go :: Class -> [Type] -> S.Set (Name, InstTypes) -> HCE.InstanceResolution
go cls types seenInstances =
let clsTyVarCount = length $ classTyVars cls
in case lookupUniqueInstEnv
(envInstEnv environment)
cls
(take clsTyVarCount types) of
Right (inst, instTypes) ->
-- A successful match is a ClsInst, together with the types at which
-- the dfun_id in the ClsInst should be instantiated
let instWithTypes = (is_dfun_name inst, InstTypes instTypes)
in if not $ S.member instWithTypes seenInstances
then let (typeVars, predTypes, _class, _types) =
instanceSig inst
subst = zipTvSubst typeVars instTypes
constraints =
mapMaybe getClassPredTys_maybe . substTys subst $
predTypes
in HCE.Instance
(instanceToText flags inst)
(mkType flags . idType $ is_dfun inst)
(map (mkType flags) instTypes)
(nameLocationInfo
flags
(envPackageId environment)
(envComponentId environment)
(envTransformation environment)
(envFileMap environment)
(envDefSiteMap environment)
(Just . instanceToText flags $ inst)
Nothing
(varName . is_dfun $ inst))
(map
(\(cl, tys) ->
go
cl
tys
(S.insert instWithTypes seenInstances))
constraints)
else HCE.Stop
Left _ -> HCE.Stop
mkIdentifierInfo :: Environment -> Id -> Maybe Name -> HCE.IdentifierInfo
mkIdentifierInfo environment identifier mbNameFromRenamedSource =
let name = fromMaybe (varName identifier) mbNameFromRenamedSource
sort = nameSort name
nameSpace = occNameNameSpace . nameOccName $ name
flags = envDynFlags environment
currentPackageId = envPackageId environment
compId = envComponentId environment
transformation = envTransformation environment
fileMap = envFileMap environment
defSiteMap = envDefSiteMap environment
locationInfo =
nameLocationInfo
flags
currentPackageId
compId
transformation
fileMap
defSiteMap
Nothing
Nothing
name
in HCE.IdentifierInfo
{ sort = sort
, occName = HCE.OccName $ nameToText name
, demangledOccName = demangleOccName name
, nameSpace = nameSpace
, idType = mkType flags $ varType identifier
, locationInfo = locationInfo
, details = mbIdDetails identifier
, doc =
nameDocumentation
transformation
fileMap
defSiteMap
(envCurrentModuleDefSites environment)
name
, internalId = HCE.InternalId $ identifierKey flags identifier
, externalId =
case sort of
HCE.External ->
case locationInfo of
HCE.ExactLocation {..} ->
Just $
HCE.ExternalId $
T.intercalate
"|"
[ HCE.packageIdToText currentPackageId
, HCE.getHaskellModuleName moduleName
, case nameSpace of
HCE.VarName -> T.pack $ show HCE.Val
HCE.DataName -> T.pack $ show HCE.Val
_ -> T.pack $ show HCE.Typ
, nameToText name
]
HCE.ApproximateLocation {name = n, ..} ->
Just $
HCE.ExternalId $
T.intercalate
"|"
[ HCE.packageIdToText packageId
, HCE.getHaskellModuleName moduleName
, T.pack $ show entity
, n
]
_ -> Nothing
_ -> Nothing
, isExported = S.member name $ envExportedNames environment
}
mkIdentifierOccurrence ::
Environment
-> Id
-> Name
-> Maybe (Type, [Type])
-> Bool
-> T.Text
-> HCE.IdentifierOccurrence
mkIdentifierOccurrence environment identifier nameFromRenamedSource mbInstTypes isBinder descr =
let flags = envDynFlags environment
mbClass
| isId identifier =
case idDetails identifier of
ClassOpId cls -> Just cls
_ -> Nothing
| otherwise = Nothing
mbInstanceResolution =
case (mbClass, mbInstTypes) of
(Just cls, Just (_, ts)) ->
Just $ traceInstanceResolution environment cls ts
_ -> Nothing
in HCE.IdentifierOccurrence
(Just . HCE.InternalId . identifierKey flags $ identifier)
(Just . HCE.InternalId . T.pack . show . getKey . nameUnique $ nameFromRenamedSource)
isBinder
mbInstanceResolution
(mkType flags . fst <$> mbInstTypes)
(map (mkType flags) . snd <$> mbInstTypes)
descr
(if isId identifier
then HCE.ValueId
else HCE.TypeId)
restoreTidyEnv :: (State ASTState) a -> (State ASTState) a
restoreTidyEnv action = do
tidyEnv <- astStateTidyEnv <$> get
res <- action
modify' $ \s -> s {astStateTidyEnv = tidyEnv}
return res
restoreHsWrapper :: (State ASTState) a -> (State ASTState) a
restoreHsWrapper action = do
wrapper <- astStateHsWrapper <$> get
res <- action
modify' $ \s -> s {astStateHsWrapper = wrapper}
return res
tidyIdentifier :: Id -> State ASTState (Id, Maybe (Type, [Type]))
tidyIdentifier identifier = do
tidyEnv <- astStateTidyEnv <$> get
mbHsWrapper <- astStateHsWrapper <$> get
let (tidyEnv', identifier') = tidyIdentifierType tidyEnv identifier
identifierType = varType identifier'
(mbTypes, updatedEnv) =
case mbHsWrapper of
Just wrapper ->
let expectedType = applyWrapper wrapper identifierType
(tidyEnv'', expectedType') = tidyOpenType tidyEnv' expectedType
wrapperTys =
map (snd . tidyOpenType tidyEnv'') (wrapperTypes wrapper)
in if not $ eqType expectedType identifierType
then (Just (expectedType', wrapperTys), tidyEnv'')
else (Nothing, tidyEnv')
Nothing -> (Nothing, tidyEnv')
modify' (\s -> s {astStateTidyEnv = updatedEnv})
return (identifier', mbTypes)
tidyType :: Type -> State ASTState Type
tidyType typ = do
tidyEnv <- astStateTidyEnv <$> get
let (tidyEnv', typ') = tidyOpenType tidyEnv typ
modify' (\s -> s {astStateTidyEnv = tidyEnv'})
return typ'
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldTypecheckedSource :: LHsBinds GhcTc -> State ASTState ()
#else
foldTypecheckedSource :: LHsBinds Id -> State ASTState ()
#endif
foldTypecheckedSource = foldLHsBindsLR
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldLHsExpr :: LHsExpr GhcTc -> State ASTState (Maybe Type)
#else
foldLHsExpr :: LHsExpr Id -> State ASTState (Maybe Type)
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L _span (XExpr _)) = return Nothing
foldLHsExpr (L _ (HsOverLit _ (XOverLit _))) = return Nothing
foldLHsExpr (L _ (HsLam _ (XMatchGroup _))) = return Nothing
foldLHsExpr (L _ (HsLamCase _ (XMatchGroup _))) = return Nothing
foldLHsExpr (L _ (HsCase _ _ (XMatchGroup _))) = return Nothing
foldLHsExpr (L span (HsVar _ (L _ identifier))) =
#else
foldLHsExpr (L span (HsVar (L _ identifier))) =
#endif
restoreTidyEnv $ do
(identifier', mbTypes) <- tidyIdentifier identifier
addIdentifierToIdSrcSpanMap span identifier' mbTypes
return . Just . varType $ identifier'
foldLHsExpr (L _ HsUnboundVar {}) = return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,2,2,0)
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L _ (HsConLikeOut _ conLike)) =
#else
foldLHsExpr (L _ (HsConLikeOut conLike)) =
#endif
restoreTidyEnv $ do
let mbType = varType <$> conLikeWrapId_maybe conLike
mbType' <- maybe (return Nothing) (fmap Just . tidyType) mbType
return mbType'
#endif
foldLHsExpr (L _ HsRecFld {}) = return Nothing
foldLHsExpr (L _ HsOverLabel {}) = return Nothing
foldLHsExpr (L span expr@HsIPVar {}) = do
addExprInfo span Nothing "HsIPVar" (exprSort expr)
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span (HsOverLit _ (OverLit (OverLitTc _ ol_type) _ _))) =
#else
foldLHsExpr (L span (HsOverLit OverLit {ol_type})) =
#endif
restoreTidyEnv $ do
typ <- tidyType ol_type
addExprInfo
span
(Just typ)
"HsOverLit"
(if isOneLineSpan span
then Simple
else Composite)
return $ Just typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span (HsLit _ lit)) =
#else
foldLHsExpr (L span (HsLit lit)) =
#endif
restoreTidyEnv $ do
typ <- tidyType $ hsLitType lit
addExprInfo
span
(Just typ)
"HsLit"
(if isOneLineSpan span
then Simple
else Composite)
return $ Just typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span expr@(HsLam _ (MG (MatchGroupTc {..}) mg_alts _))) =
#else
foldLHsExpr (L span expr@(HsLam MG {..})) =
#endif
restoreTidyEnv $ do
typ <- tidyType $ mkFunTys mg_arg_tys mg_res_ty
addExprInfo span (Just typ) "HsLam" (exprSort expr)
mapM_ foldLMatch $ unLoc mg_alts
return $ Just typ
#if MIN_VERSION_GLASGOW_HASKELL(8,2,2,0)
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span expr@(HsLamCase _ (MG (MatchGroupTc {..}) mg_alts _))) =
#else
foldLHsExpr (L span expr@(HsLamCase MG {..})) =
#endif
#else
foldLHsExpr (L span expr@(HsLamCase _typ MG {..})) =
#endif
restoreTidyEnv $ do
typ <- tidyType $ mkFunTys mg_arg_tys mg_res_ty
addExprInfo span (Just typ) "HsLamCase" (exprSort expr)
mapM_ foldLMatch $ unLoc mg_alts
return $ Just typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span expr@(HsApp _ fun arg)) = do
#else
foldLHsExpr (L span expr@(HsApp fun arg)) = do
#endif
funTy <- foldLHsExpr fun
_argTy <- foldLHsExpr arg
typ <- maybe (return Nothing) (funResultTySafe span "HsApp") funTy
addExprInfo span typ "HsApp" (exprSort expr)
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,8,1,0)
foldLHsExpr (L span ex@(HsAppType _ expr _)) = do
#elif MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span ex@(HsAppType _ expr)) = do
#else
foldLHsExpr (L _ (HsAppType _ _)) = return Nothing
foldLHsExpr (L span ex@(HsAppTypeOut expr _)) = do
#endif
typ <- foldLHsExpr expr
addExprInfo span typ "HsAppType" (exprSort ex)
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span expr@(OpApp _ left op right)) = do
#else
foldLHsExpr (L span expr@(OpApp left op _fixity right)) = do
#endif
opTyp <- foldLHsExpr op
typ <- maybe (return Nothing) (funResultTy2Safe span "HsApp") opTyp
_ <- foldLHsExpr left
_ <- foldLHsExpr right
addExprInfo span typ "OpApp" (exprSort expr)
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span e@(NegApp _ expr _syntaxExp)) = do
#else
foldLHsExpr (L span e@(NegApp expr _syntaxExp)) = do
#endif
typ <- foldLHsExpr expr
addExprInfo span typ "NegApp" (exprSort e)
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L _span (HsPar _ expr)) = foldLHsExpr expr
#else
foldLHsExpr (L _span (HsPar expr)) = foldLHsExpr expr
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span expr@(SectionL _ operand operator)) = do
#else
foldLHsExpr (L span expr@(SectionL operand operator)) = do
#endif
opType <- foldLHsExpr operator
_ <- foldLHsExpr operand
mbTypes <- maybe (return Nothing) (splitFunTy2Safe span "SectionL") opType
let typ =
case mbTypes of
Just (_arg1, arg2, res) -> Just $ mkFunTy arg2 res
Nothing -> Nothing
addExprInfo span typ "SectionL" (exprSort expr)
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span e@(SectionR _ operator operand)) = do
#else
foldLHsExpr (L span e@(SectionR operator operand)) = do
#endif
opType <- foldLHsExpr operator
_ <- foldLHsExpr operand
mbTypes <- maybe (return Nothing) (splitFunTy2Safe span "SectionR") opType
let typ =
case mbTypes of
Just (arg1, _arg2, res) -> Just $ mkFunTy arg1 res
Nothing -> Nothing
addExprInfo span typ "SectionR" (exprSort e)
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span e@(ExplicitTuple _ tupArgs boxity)) = do
#else
foldLHsExpr (L span e@(ExplicitTuple tupArgs boxity)) = do
#endif
tupleArgs <- mapM foldLHsTupArg tupArgs
let tupleSectionArgTys =
mapM fst . filter ((== TupArgMissing) . snd) $ tupleArgs
tupleArgTys = mapM fst tupleArgs
resultType =
mkFunTys <$> tupleSectionArgTys <*> (mkTupleTy boxity <$> tupleArgTys)
tidyEnv <- astStateTidyEnv <$> get
addExprInfo
span
(snd . tidyOpenType tidyEnv <$> resultType)
"ExplicitTuple"
(exprSort e)
return resultType
#if MIN_VERSION_GLASGOW_HASKELL(8,2,2,0)
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L _span (ExplicitSum _ _ _ expr)) = do
#else
foldLHsExpr (L _span (ExplicitSum _ _ expr _types)) = do
#endif
-- TODO
_ <- foldLHsExpr expr
return Nothing
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span e@(HsCase _ expr (MG (MatchGroupTc {..}) mg_alts _))) =
#else
foldLHsExpr (L span e@(HsCase expr MG {..})) =
#endif
restoreTidyEnv $ do
typ <- tidyType mg_res_ty
_ <- foldLHsExpr expr
mapM_ foldLMatch (unLoc mg_alts)
addExprInfo span (Just typ) "HsCase" (exprSort e)
return $ Just typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span e@(HsIf _ _mbSynExpr condExpr thenExpr elseExpr)) = do
#else
foldLHsExpr (L span e@(HsIf _mbSynExpr condExpr thenExpr elseExpr)) = do
#endif
_ <- foldLHsExpr condExpr
typ <- foldLHsExpr thenExpr
_ <- foldLHsExpr elseExpr
addExprInfo span typ "HsIf" (exprSort e)
return typ
foldLHsExpr (L span e@(HsMultiIf typ grhss)) =
restoreTidyEnv $ do
typ' <- tidyType typ
addExprInfo span (Just typ') "HsMultiIf" (exprSort e)
mapM_ foldLGRHS grhss
return $ Just typ'
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span e@(HsLet _ (L _ binds) expr)) = do
#else
foldLHsExpr (L span e@(HsLet (L _ binds) expr)) = do
#endif
_ <- foldHsLocalBindsLR binds
typ <- foldLHsExpr expr
addExprInfo span typ "HsLet" (exprSort e)
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span expr@(HsDo typ _context (L _ stmts))) =
#else
foldLHsExpr (L span expr@(HsDo _context (L _ stmts) typ)) =
#endif
restoreTidyEnv $ do
typ' <- tidyType typ
addExprInfo span (Just typ') "HsDo" (exprSort expr)
mapM_ foldLStmtLR stmts
return $ Just typ'
foldLHsExpr (L span (ExplicitList typ _syntaxExpr exprs)) =
restoreTidyEnv $ do
typ' <- mkListTy <$> tidyType typ
unless (null exprs) $ addExprInfo span (Just typ') "ExplicitList" Composite
mapM_ foldLHsExpr exprs
return $ Just typ'
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
#else
foldLHsExpr (L span e@(ExplicitPArr typ exprs)) =
restoreTidyEnv $ do
typ' <- tidyType typ
addExprInfo span (Just typ') "ExplicitPArr" (exprSort e)
mapM_ foldLHsExpr exprs
return $ Just typ'
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span e@(RecordCon (RecordConTc _ conExpr) _ binds)) = do
#else
foldLHsExpr (L span e@(RecordCon (L _ _) _conLike conExpr binds)) = do
#endif
mbConType <-
fmap (snd . splitFunTys) <$>
foldLHsExpr (L (UnhelpfulSpan $ mkFastString "RecordCon") conExpr)
addExprInfo span mbConType "RecordCon" (exprSort e)
_ <- foldHsRecFields binds
return mbConType
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span e@(RecordUpd (RecordUpdTc cons _inputTys outTys _wrapper) expr binds)) =
#else
foldLHsExpr (L span e@(RecordUpd expr binds cons _inputTys outTys _wrapper)) =
#endif
restoreTidyEnv $ do
-- cons is a non-empty list of DataCons that have all the upd'd fields
let typ = conLikeResTy (head cons) outTys
typ' <- tidyType typ
addExprInfo span (Just typ') "RecordUpd" (exprSort e)
_ <- foldLHsExpr expr
mapM_ foldLHsRecUpdField binds
return $ Just typ'
#if MIN_VERSION_GLASGOW_HASKELL(8,8,1,0)
foldLHsExpr (L span e@(ExprWithTySig _ expr _)) = do
#elif MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span e@(ExprWithTySig _ expr)) = do
#else
foldLHsExpr (L _span (ExprWithTySig _expr _type)) = return Nothing
foldLHsExpr (L span e@(ExprWithTySigOut expr _type)) = do
#endif
typ <- foldLHsExpr expr
addExprInfo span typ "ExprWithTySig" (exprSort e)
return typ
foldLHsExpr (L span e@(ArithSeq postTcExpr _mbSyntaxExpr seqInfo)) = do
typ <-
fmap (snd . splitFunTys . snd . splitForAllTys) <$>
foldLHsExpr (L (UnhelpfulSpan $ mkFastString "ArithSeq") postTcExpr)
_ <-
case seqInfo of
From expr -> foldLHsExpr expr
FromThen expr1 expr2 -> foldLHsExpr expr1 >> foldLHsExpr expr2
FromTo expr1 expr2 -> foldLHsExpr expr1 >> foldLHsExpr expr2
FromThenTo expr1 expr2 expr3 ->
foldLHsExpr expr1 >> foldLHsExpr expr2 >> foldLHsExpr expr3
addExprInfo span typ "ArithSeq" (exprSort e)
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
#else
foldLHsExpr (L span e@(PArrSeq postTcExpr _seqInfo)) = do
typ <- foldLHsExpr (L (UnhelpfulSpan $ mkFastString "PArrSeq") postTcExpr)
addExprInfo span typ "ArithSeq" (exprSort e)
return typ
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span e@(HsSCC _ _sourceText _fastString expr)) = do
#else
foldLHsExpr (L span e@(HsSCC _sourceText _fastString expr)) = do
#endif
typ <- foldLHsExpr expr
addExprInfo span typ "HsSCC" (exprSort e)
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span e@(HsCoreAnn _ _sourceText _fastString expr)) = do
#else
foldLHsExpr (L span e@(HsCoreAnn _sourceText _fastString expr)) = do
#endif
typ <- foldLHsExpr expr
addExprInfo span typ "HsCoreAnn" (exprSort e)
return typ
foldLHsExpr (L _span HsBracket {}) = return Nothing
foldLHsExpr (L _span HsRnBracketOut {}) = return Nothing
foldLHsExpr (L _span HsTcBracketOut {}) = return Nothing
foldLHsExpr (L _span HsSpliceE {}) = return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span expr@(HsProc _ pat cmd)) = do
#else
foldLHsExpr (L span expr@(HsProc pat cmd)) = do
#endif
_ <- foldLPat pat
_ <- foldLHsCmdTop cmd
addExprInfo span Nothing "HsProc" (exprSort expr)
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,2,2,0)
foldLHsExpr (L span e@(HsStatic _ expr)) = do
#else
foldLHsExpr (L span e@(HsStatic expr)) = do
#endif
typ <- foldLHsExpr expr
addExprInfo span typ "HsStatic" (exprSort e)
return typ
foldLHsExpr (L _ HsArrForm {}) = return Nothing
foldLHsExpr (L _ HsArrApp {}) = return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span e@(HsTick _ _ expr)) = do
#else
foldLHsExpr (L span e@(HsTick _ expr)) = do
#endif
typ <- foldLHsExpr expr
addExprInfo span typ "HsTick" (exprSort e)
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span e@(HsBinTick _ _ _ expr)) = do
#else
foldLHsExpr (L span e@(HsBinTick _ _ expr)) = do
#endif
typ <- foldLHsExpr expr
addExprInfo span typ "HsBinTick" (exprSort e)
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span e@(HsTickPragma _ _ _ _ expr)) = do
#else
foldLHsExpr (L span e@(HsTickPragma _ _ _ expr)) = do
#endif
typ <- foldLHsExpr expr
addExprInfo span typ "HsTickPragma" (exprSort e)
return typ
foldLHsExpr (L _span EWildPat {}) = return Nothing
foldLHsExpr (L _span EAsPat {}) = return Nothing
foldLHsExpr (L _span EViewPat {}) = return Nothing
foldLHsExpr (L _span ELazyPat {}) = return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsExpr (L span (HsWrap _ wrapper expr)) =
#else
foldLHsExpr (L span (HsWrap wrapper expr)) =
#endif
restoreHsWrapper $ do
case exprSort expr of
Simple -> modify' (\s -> s {astStateHsWrapper = Just wrapper})
Composite -> return () -- Not sure if it is possible
typ <- foldLHsExpr (L span expr)
return $ applyWrapper wrapper <$> typ
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldHsRecFields :: HsRecFields GhcTc (LHsExpr GhcTc) -> State ASTState (Maybe Type)
#else
foldHsRecFields :: HsRecFields Id (LHsExpr Id) -> State ASTState (Maybe Type)
#endif
foldHsRecFields HsRecFields {..} = do
let userWritten =
case rec_dotdot of
Just i -> take i
Nothing -> id
mapM_ foldLHsRecField $ userWritten rec_flds
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldLHsRecField :: LHsRecField GhcTc (LHsExpr GhcTc) -> State ASTState (Maybe Type)
#else
foldLHsRecField :: LHsRecField Id (LHsExpr Id) -> State ASTState (Maybe Type)
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsRecField (L _span (HsRecField (L _idSpan (XFieldOcc _)) _ _)) = return Nothing
foldLHsRecField (L span (HsRecField (L idSpan (FieldOcc identifier _)) arg pun)) =
#else
foldLHsRecField (L span (HsRecField (L idSpan (FieldOcc _ identifier)) arg pun)) =
#endif
restoreTidyEnv $ do
(identifier', mbTypes) <- tidyIdentifier identifier
addIdentifierToIdSrcSpanMap idSpan identifier' mbTypes
addExprInfo span (Just . varType $ identifier') "HsRecField" Composite
unless pun $ void (foldLHsExpr arg)
return . Just . varType $ identifier'
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldLHsRecUpdField :: LHsRecUpdField GhcTc -> State ASTState (Maybe Type)
#else
foldLHsRecUpdField :: LHsRecUpdField Id -> State ASTState (Maybe Type)
#endif
foldLHsRecUpdField (L span (HsRecField (L idSpan recField) arg pun)) =
restoreTidyEnv $ do
let selectorId = selectorAmbiguousFieldOcc recField
(identifier', mbTypes) <- tidyIdentifier selectorId
-- Name of the selectorId is not 'correct' (Internal instead of External) :
-- https://github.com/ghc/ghc/blob/321b420f4582d103ca7b304867b916a749712e9f/compiler/typecheck/TcExpr.hs#L2424
typeEnv <- envTypeEnv . astStateEnv <$> get
let selName = varName selectorId
originalName =
case lookupTypeEnv typeEnv selName of
Just (AnId originalSelId) -> varName originalSelId
_ -> selName
let identifier'' = setVarName identifier' originalName
addIdentifierToIdSrcSpanMap idSpan identifier'' mbTypes
addExprInfo span (Just . varType $ identifier'') "HsRecUpdField" Composite
unless pun $ void (foldLHsExpr arg)
return . Just . varType $ identifier'
data TupArg
= TupArgPresent
| TupArgMissing
deriving (Show, Eq)
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldLHsTupArg :: LHsTupArg GhcTc -> State ASTState (Maybe Type, TupArg)
#else
foldLHsTupArg :: LHsTupArg Id -> State ASTState (Maybe Type, TupArg)
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsTupArg (L _span (XTupArg _)) = return (Nothing, TupArgMissing)
foldLHsTupArg (L _span (Present _ expr)) =
#else
foldLHsTupArg (L _span (Present expr)) =
#endif
restoreTidyEnv $ do
typ <- foldLHsExpr expr
typ' <-
case typ of
Just t -> Just <$> tidyType t
Nothing -> return Nothing
return (typ', TupArgPresent)
foldLHsTupArg (L _ (Missing typ)) =
restoreTidyEnv $ do
typ' <- tidyType typ
return (Just typ', TupArgMissing)
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldLMatch :: LMatch GhcTc (LHsExpr GhcTc) -> State ASTState (Maybe Type)
#else
foldLMatch :: LMatch Id (LHsExpr Id) -> State ASTState (Maybe Type)
#endif
foldLMatch (L _span Match {..}) = do
mapM_ foldLPat m_pats
_ <- foldGRHSs m_grhss
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLMatch (L _span _) = return Nothing
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldLMatchCmd :: LMatch GhcTc (LHsCmd GhcTc) -> State ASTState (Maybe Type)
#else
foldLMatchCmd :: LMatch Id (LHsCmd Id) -> State ASTState (Maybe Type)
#endif
foldLMatchCmd (L _span Match {..}) = do
mapM_ foldLPat m_pats
_ <- foldGRHSsCmd m_grhss
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLMatchCmd (L _span _) = return Nothing
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldGRHSsCmd :: GRHSs GhcTc (LHsCmd GhcTc) -> State ASTState (Maybe Type)
#else
foldGRHSsCmd :: GRHSs Id (LHsCmd Id) -> State ASTState (Maybe Type)
#endif
foldGRHSsCmd GRHSs {..} = do
mapM_ foldLGRHSCmd grhssGRHSs
_ <- foldHsLocalBindsLR (unLoc grhssLocalBinds)
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldGRHSsCmd (_) = return Nothing
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldGRHSs :: GRHSs GhcTc (LHsExpr GhcTc) -> State ASTState (Maybe Type)
#else
foldGRHSs :: GRHSs Id (LHsExpr Id) -> State ASTState (Maybe Type)
#endif
foldGRHSs GRHSs {..} = do
mapM_ foldLGRHS grhssGRHSs
_ <- foldHsLocalBindsLR (unLoc grhssLocalBinds)
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldGRHSs (_) = return Nothing
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldLStmtLR :: LStmtLR GhcTc GhcTc (LHsExpr GhcTc) -> State ASTState (Maybe Type)
#else
foldLStmtLR :: LStmtLR Id Id (LHsExpr Id) -> State ASTState (Maybe Type)
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLStmtLR (L _span (XStmtLR _)) = return Nothing
foldLStmtLR (L span (LastStmt _ body _ _)) =
#else
foldLStmtLR (L span (LastStmt body _ _)) =
#endif
do typ <- foldLHsExpr body
addExprInfo span typ "LastStmt" Composite
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLStmtLR (L _span (BindStmt _ pat body _ _)) = do
#else
foldLStmtLR (L _span (BindStmt pat body _ _ _)) = do
#endif
_ <- foldLPat pat
_ <- foldLHsExpr body
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLStmtLR (L span (BodyStmt _ body _ _)) = do
#else
foldLStmtLR (L span (BodyStmt body _ _ _)) = do
#endif
mbTyp <- foldLHsExpr body
addExprInfo span mbTyp "BodyStmt" Composite
return mbTyp
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLStmtLR (L _ (LetStmt _ (L _ binds))) = do
#else
foldLStmtLR (L _ (LetStmt (L _ binds))) = do
#endif
_ <- foldHsLocalBindsLR binds
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLStmtLR (L _ (ParStmt _ blocks _ _)) = do
#else
foldLStmtLR (L _ (ParStmt blocks _ _ _)) = do
#endif
mapM_ foldParStmtBlock blocks
return Nothing
foldLStmtLR (L _ TransStmt {..}) = do
mapM_ foldLStmtLR trS_stmts
_ <- maybe (return Nothing) foldLHsExpr trS_by
_ <- foldLHsExpr trS_using
return Nothing
foldLStmtLR (L _span RecStmt {..}) = do
mapM_ foldLStmtLR recS_stmts
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLStmtLR (L span (ApplicativeStmt typ args _)) =
#else
foldLStmtLR (L span (ApplicativeStmt args _ typ)) =
#endif
restoreTidyEnv $ do
typ' <- tidyType typ
mapM_ (foldApplicativeArg . snd) args
addExprInfo span (Just typ') "ApplicativeStmt" Composite
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldApplicativeArg :: ApplicativeArg GhcTc -> State ASTState (Maybe Type)
#elif MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldApplicativeArg :: ApplicativeArg GhcTc GhcTc -> State ASTState (Maybe Type)
#else
foldApplicativeArg :: ApplicativeArg Id Id -> State ASTState (Maybe Type)
#endif
foldApplicativeArg appArg =
case appArg of
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
XApplicativeArg _ -> return Nothing
ApplicativeArgOne _ pat expr _bool -> do
#else
ApplicativeArgOne pat expr _bool -> do
#endif
#else
ApplicativeArgOne pat expr -> do
#endif
_ <- foldLPat pat
_ <- foldLHsExpr expr
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
ApplicativeArgMany _ exprStmts _ pat -> do
#else
ApplicativeArgMany exprStmts _ pat -> do
#endif
mapM_ foldLStmtLR exprStmts
_ <- foldLPat pat
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldLStmtLRCmd ::
LStmtLR GhcTc GhcTc (LHsCmd GhcTc) -> State ASTState (Maybe Type)
#else
foldLStmtLRCmd :: LStmtLR Id Id (LHsCmd Id) -> State ASTState (Maybe Type)
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLStmtLRCmd (L _ (XStmtLR _)) = return Nothing
foldLStmtLRCmd (L span (LastStmt _ body _syntaxExpr _)) = do
#else
foldLStmtLRCmd (L span (LastStmt body _syntaxExpr _)) = do
#endif
typ <- foldLHsCmd body
addExprInfo span typ "LastStmt Cmd" Composite
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLStmtLRCmd (L _ (BindStmt _ pat body _ _)) = do
#else
foldLStmtLRCmd (L _ (BindStmt pat body _ _ _)) = do
#endif
_ <- foldLPat pat
_ <- foldLHsCmd body
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLStmtLRCmd (L span (BodyStmt _ body _ _)) = do
#else
foldLStmtLRCmd (L span (BodyStmt body _ _ _)) = do
#endif
typ <- foldLHsCmd body
addExprInfo span typ "BodyStmt Cmd" Composite
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLStmtLRCmd (L _ (LetStmt _ (L _ binds))) = do
#else
foldLStmtLRCmd (L _ (LetStmt (L _ binds))) = do
#endif
_ <- foldHsLocalBindsLR binds
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLStmtLRCmd (L _ (ParStmt _ blocks _ _)) = do
#else
foldLStmtLRCmd (L _ (ParStmt blocks _ _ _)) = do
#endif
mapM_ foldParStmtBlock blocks
return Nothing
foldLStmtLRCmd (L _ TransStmt {..}) = do
mapM_ foldLStmtLR trS_stmts
_ <- foldLHsExpr trS_using
_ <- maybe (return Nothing) foldLHsExpr trS_by
return Nothing
foldLStmtLRCmd (L _ RecStmt {..}) = do
mapM_ foldLStmtLRCmd recS_stmts
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLStmtLRCmd (L span (ApplicativeStmt typ args _)) =
#else
foldLStmtLRCmd (L span (ApplicativeStmt args _ typ)) =
#endif
restoreTidyEnv $ do
typ' <- tidyType typ
mapM_ (foldApplicativeArg . snd) args
addExprInfo span (Just typ') "ApplicativeStmt Cmd" Composite
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldLGRHS :: LGRHS GhcTc (LHsExpr GhcTc) -> State ASTState (Maybe Type)
#else
foldLGRHS :: LGRHS Id (LHsExpr Id) -> State ASTState (Maybe Type)
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLGRHS (L _span (XGRHS _)) = return Nothing
foldLGRHS (L _span (GRHS _ guards body)) = do
#else
foldLGRHS (L _span (GRHS guards body)) = do
#endif
typ <- foldLHsExpr body
mapM_ foldLStmtLR guards
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldLGRHSCmd :: LGRHS GhcTc (LHsCmd GhcTc) -> State ASTState (Maybe Type)
#else
foldLGRHSCmd :: LGRHS Id (LHsCmd Id) -> State ASTState (Maybe Type)
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLGRHSCmd (L _span (XGRHS _)) = return Nothing
foldLGRHSCmd (L _span (GRHS _ guards body)) = do
#else
foldLGRHSCmd (L _span (GRHS guards body)) = do
#endif
typ <- foldLHsCmd body
mapM_ foldLStmtLR guards
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldParStmtBlock :: ParStmtBlock GhcTc GhcTc -> State ASTState (Maybe Type)
#else
foldParStmtBlock :: ParStmtBlock Id Id -> State ASTState (Maybe Type)
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldParStmtBlock (XParStmtBlock _) = return Nothing
foldParStmtBlock (ParStmtBlock _ exprStmts _ids _syntaxExpr) = do
#else
foldParStmtBlock (ParStmtBlock exprStmts _ids _syntaxExpr) = do
#endif
mapM_ foldLStmtLR exprStmts
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldHsLocalBindsLR :: HsLocalBindsLR GhcTc GhcTc -> State ASTState (Maybe Type)
#else
foldHsLocalBindsLR :: HsLocalBindsLR Id Id -> State ASTState (Maybe Type)
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldHsLocalBindsLR (XHsLocalBindsLR _) = return Nothing
foldHsLocalBindsLR (HsValBinds _ binds) = do
#else
foldHsLocalBindsLR (HsValBinds binds) = do
#endif
_ <- foldHsValBindsLR binds
return Nothing
foldHsLocalBindsLR HsIPBinds {} = return Nothing
foldHsLocalBindsLR EmptyLocalBinds {} = return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldHsValBindsLR :: HsValBindsLR GhcTc GhcTc -> State ASTState (Maybe Type)
#else
foldHsValBindsLR :: HsValBindsLR Id Id -> State ASTState (Maybe Type)
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldHsValBindsLR (ValBinds _ _binds _) = do
return Nothing
foldHsValBindsLR (XValBindsLR (NValBinds binds _)) = do
_ <- mapM_ (foldLHsBindsLR . snd) binds
return Nothing
#else
foldHsValBindsLR (ValBindsIn _ _) = return Nothing
foldHsValBindsLR (ValBindsOut binds _) = do
mapM_ (foldLHsBindsLR . snd) binds
return Nothing
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldLHsBindsLR :: LHsBinds GhcTc -> State ASTState ()
#else
foldLHsBindsLR :: LHsBinds Id -> State ASTState ()
#endif
foldLHsBindsLR = mapM_ (`foldLHsBindLR` Nothing) . bagToList
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldLHsBindLR :: LHsBindLR GhcTc GhcTc
-> Maybe Id -- ^ Polymorphic id
-> State ASTState (Maybe Type)
#else
foldLHsBindLR :: LHsBindLR Id Id
-> Maybe Id -- ^ Polymorphic id
-> State ASTState (Maybe Type)
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsBindLR (L _span (XHsBindsLR _)) _ = return Nothing
foldLHsBindLR (L _span (PatSynBind _ (XPatSynBind _))) _ = return Nothing
#endif
foldLHsBindLR (L _span FunBind {..}) mbPolyId
| mg_origin fun_matches == FromSource =
restoreTidyEnv $ do
let (L idSpan identifier) = fun_id -- monotype
typ =
case mbPolyId of
Just polyId -> varType polyId
Nothing -> varType identifier
name = maybe (varName identifier) varName mbPolyId
identifier' = setVarType (setVarName identifier name) typ
(identifier'', _) <- tidyIdentifier identifier'
addIdentifierToIdSrcSpanMap idSpan identifier'' Nothing
mapM_ foldLMatch (unLoc (mg_alts fun_matches))
return Nothing
| otherwise = return Nothing
foldLHsBindLR (L _ PatBind {..}) _ = do
_ <- foldLPat pat_lhs
_ <- foldGRHSs pat_rhs
return Nothing
foldLHsBindLR (L _ VarBind {..}) _ = return Nothing
foldLHsBindLR (L _ AbsBinds {..}) _ = do
mapM_ (\(bind, typ) -> foldLHsBindLR bind (Just typ)) $
zip (bagToList abs_binds) (map abe_poly abs_exports)
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
#else
foldLHsBindLR (L _ AbsBindsSig {..}) _ = do
_ <- foldLHsBindLR abs_sig_bind (Just abs_sig_export)
return Nothing
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsBindLR (L _ (PatSynBind _ PSB {..})) _ =
#else
foldLHsBindLR (L _ (PatSynBind PSB {..})) _ =
#endif
restoreTidyEnv $ do
_ <- foldLPat psb_def
_ <-
let addId :: GenLocated SrcSpan Id -> State ASTState ()
addId (L span i) = do
(i', _) <- tidyIdentifier i
addIdentifierToIdSrcSpanMap span i' Nothing
in case psb_args of
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
InfixCon id1 id2 -> addId id1 >> addId id2
PrefixCon ids -> mapM_ addId ids
RecCon recs ->
mapM_
(\(RecordPatSynField selId patVar) ->
addId selId >> addId patVar)
recs
#else
InfixPatSyn id1 id2 -> addId id1 >> addId id2
PrefixPatSyn ids -> mapM_ addId ids
RecordPatSyn recs ->
mapM_
(\(RecordPatSynField selId patVar) ->
addId selId >> addId patVar)
recs
#endif
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldLPat :: LPat GhcTc -> State ASTState (Maybe Type)
#else
foldLPat :: LPat Id -> State ASTState (Maybe Type)
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLPat (ghcDL -> L _span (XPat _)) = return Nothing
foldLPat (ghcDL -> L _ (NPat _ (L _ (XOverLit _)) _ _)) = return Nothing
foldLPat (ghcDL -> L _ (NPlusKPat _ (L _ _) (L _ (XOverLit _)) _ _ _)) = return Nothing
foldLPat (ghcDL -> L span (VarPat _ (L _ identifier))) = do
#else
foldLPat (ghcDL -> L span (VarPat (L _ identifier))) = do
#endif
(identifier', _) <- tidyIdentifier identifier
addIdentifierToIdSrcSpanMap span identifier' Nothing
return . Just . varType $ identifier'
foldLPat (ghcDL -> L span pat@(WildPat typ)) = do
typ' <- tidyType typ
addExprInfo span (Just typ') "WildPat" (patSort pat)
return $ Just typ'
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLPat (ghcDL -> L span p@(LazyPat _ pat)) = do
#else
foldLPat (L span p@(LazyPat pat)) = do
#endif
mbType <- foldLPat pat
addExprInfo span mbType "LazyPat" (patSort p)
return mbType
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLPat (ghcDL -> L span p@(AsPat _ (L idSpan identifier) pat)) = do
#else
foldLPat (L span p@(AsPat (L idSpan identifier) pat)) = do
#endif
(identifier', _) <- tidyIdentifier identifier
addIdentifierToIdSrcSpanMap idSpan identifier' Nothing
addExprInfo span (Just . varType $ identifier') "AsPat" (patSort p)
_ <- foldLPat pat
return . Just . varType $ identifier'
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLPat (ghcDL -> L _span (ParPat _ pat)) = foldLPat pat
#else
foldLPat (ghcDL -> L _span (ParPat pat)) = foldLPat pat
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLPat (ghcDL -> L span p@(BangPat _ pat)) = do
#else
foldLPat (L span p@(BangPat pat)) = do
#endif
typ <- foldLPat pat
addExprInfo span typ "BangPat" (patSort p)
return typ
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLPat (ghcDL -> L span p@(ListPat (ListPatTc typ _) pats)) = do
#else
foldLPat (L span p@(ListPat pats typ _)) = do
#endif
typ' <- tidyType typ
let listType = mkListTy typ'
addExprInfo span (Just listType) "ListPat" (patSort p)
mapM_ foldLPat pats
return $ Just listType
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLPat (ghcDL -> L span pat@(TuplePat types pats boxity)) = do
#else
foldLPat (L span pat@(TuplePat pats boxity types)) = do
#endif
typ' <- tidyType $ mkTupleTy boxity types
addExprInfo span (Just typ') "TuplePat" (patSort pat)
mapM_ foldLPat pats
return $ Just typ'
#if MIN_VERSION_GLASGOW_HASKELL(8,2,2,0)
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLPat (ghcDL -> L _span (SumPat _ pat _ _)) = do
#else
foldLPat (L _span (SumPat pat _ _ _types)) = do
#endif
-- TODO
_ <- foldLPat pat
return Nothing
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
#else
foldLPat (L span pat@(PArrPat pats typ)) = do
typ' <- tidyType typ
addExprInfo span (Just typ') "PArrPat" (patSort pat)
mapM_ foldLPat pats
return $ Just typ'
#endif
foldLPat (ghcDL -> L _span (ConPatIn _ _)) = return Nothing
foldLPat (ghcDL -> L span pat@ConPatOut {..}) = do
let (L idSpan conLike) = pat_con
conId =
case conLike of
RealDataCon dc -> dataConWorkId dc
PatSynCon ps -> patSynId ps
typ = conLikeResTy (unLoc pat_con) pat_arg_tys
(identifier', mbTypes) <- tidyIdentifier conId
addIdentifierToIdSrcSpanMap idSpan identifier' mbTypes
typ' <- tidyType typ
addExprInfo span (Just typ') "ConPatOut" (patSort pat)
_ <- foldHsConPatDetails pat_args
return . Just . varType $ identifier'
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLPat (ghcDL -> L span p@(ViewPat typ expr pat)) = do
#else
foldLPat (ghcDL -> L span p@(ViewPat expr pat typ)) = do
#endif
typ' <- tidyType typ
addExprInfo span (Just typ') "ViewPat" (patSort p)
_ <- foldLPat pat
_ <- foldLHsExpr expr
return $ Just typ'
foldLPat (ghcDL -> L _ SplicePat {}) = return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLPat (ghcDL -> L span (LitPat _ hsLit)) = do
#else
foldLPat (L span (LitPat hsLit)) = do
#endif
typ' <- tidyType $ hsLitType hsLit
addExprInfo
span
(Just typ')
"LitPat"
(if isOneLineSpan span
then Simple
else Composite)
return $ Just typ'
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLPat (ghcDL -> L span pat@(NPat _ (L _spanLit (OverLit (OverLitTc {..}) _ _)) _ _)) = do
#else
foldLPat (L span pat@(NPat (L _spanLit OverLit {ol_type}) _ _ _)) = do
#endif
typ' <- tidyType ol_type
addExprInfo span (Just typ') "NPat" (patSort pat)
return $ Just ol_type
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLPat (ghcDL -> L span pat@(NPlusKPat typ (L idSpan identifier) (L litSpan (OverLit (OverLitTc {..}) _ _)) _ _ _)) = do
#else
foldLPat (L span pat@(NPlusKPat (L idSpan identifier) (L litSpan OverLit {ol_type}) _ _ _ typ)) = do
#endif
(identifier', _) <- tidyIdentifier identifier
addIdentifierToIdSrcSpanMap idSpan identifier' Nothing
typ' <- tidyType typ
addExprInfo span (Just typ') "NPlusKPat" (patSort pat)
olType' <- tidyType ol_type
addExprInfo
litSpan
(Just olType')
"NPlusKPat"
(if isOneLineSpan span
then Simple
else Composite)
return $ Just typ'
#if MIN_VERSION_GLASGOW_HASKELL(8,8,1,0)
foldLPat (ghcDL -> L _span (SigPat typ pat _)) = do
typ' <- tidyType typ
_ <- foldLPat pat
return $ Just typ'
#elif MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLPat (L _span (SigPat typ pat)) = do
typ' <- tidyType typ
_ <- foldLPat pat
return $ Just typ'
#else
foldLPat (L _span (SigPatIn _ _)) = return Nothing
foldLPat (L _span (SigPatOut pat typ)) = do
typ' <- tidyType typ
_ <- foldLPat pat
return $ Just typ'
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLPat (ghcDL -> L span p@(CoPat _ _ pat typ)) = do
#else
foldLPat (L span p@(CoPat _ pat typ)) = do
#endif
typ' <- tidyType typ
addExprInfo span (Just typ') "CoPat" (patSort p)
#if MIN_VERSION_GLASGOW_HASKELL(8,8,1,0)
_ <- foldLPat (cL span pat)
#else
_ <- foldLPat (L span pat)
#endif
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,8,1,0)
foldLPat _ = return Nothing
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldHsConPatDetails
:: HsConPatDetails GhcTc
-> State ASTState (Maybe Type)
#else
foldHsConPatDetails
:: HsConPatDetails Id
-> State ASTState (Maybe Type)
#endif
foldHsConPatDetails (PrefixCon args) = do
mapM_ foldLPat args
return Nothing
foldHsConPatDetails (RecCon rec) = do
_ <- foldHsRecFieldsPat rec
return Nothing
foldHsConPatDetails (InfixCon arg1 arg2) = do
_ <- foldLPat arg1
_ <- foldLPat arg2
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldHsRecFieldsPat :: HsRecFields GhcTc (LPat GhcTc) -> State ASTState (Maybe Type)
#else
foldHsRecFieldsPat :: HsRecFields Id (LPat Id) -> State ASTState (Maybe Type)
#endif
foldHsRecFieldsPat HsRecFields {..} = do
let onlyUserWritten =
case rec_dotdot of
Just i -> take i
Nothing -> id
mapM_ foldLHsRecFieldPat $ onlyUserWritten rec_flds
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldLHsRecFieldPat :: LHsRecField GhcTc (LPat GhcTc) -> State ASTState (Maybe Type)
#else
foldLHsRecFieldPat :: LHsRecField Id (LPat Id) -> State ASTState (Maybe Type)
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsRecFieldPat (L _ (HsRecField (L idSpan (FieldOcc identifier _)) arg pun)) = do
#else
foldLHsRecFieldPat (L _ (HsRecField (L idSpan (FieldOcc _ identifier)) arg pun)) = do
#endif
(identifier', mbTypes) <- tidyIdentifier identifier
addIdentifierToIdSrcSpanMap idSpan identifier' mbTypes
unless pun $ void $ foldLPat arg
return . Just . varType $ identifier'
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsRecFieldPat (L _ (HsRecField (L _idSpan (XFieldOcc _)) _arg _pun)) = return Nothing
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldLHsCmdTop :: LHsCmdTop GhcTc -> State ASTState (Maybe Type)
#else
foldLHsCmdTop :: LHsCmdTop Id -> State ASTState (Maybe Type)
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsCmdTop (L _span (XCmdTop _)) = return Nothing
foldLHsCmdTop (L span (HsCmdTop _ cmd)) = do
#else
foldLHsCmdTop (L span (HsCmdTop cmd _ _ _)) = do
#endif
mbTyp <- foldLHsCmd cmd
addExprInfo span mbTyp "HsCmdTop" Composite
return mbTyp
#if MIN_VERSION_GLASGOW_HASKELL(8,4,3,0)
foldLHsCmd :: LHsCmd GhcTc -> State ASTState (Maybe Type)
#else
foldLHsCmd :: LHsCmd Id -> State ASTState (Maybe Type)
#endif
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsCmd (L _ (XCmd _)) = return Nothing
foldLHsCmd (L _ (HsCmdLam _ (XMatchGroup _))) = return Nothing
foldLHsCmd (L _ (HsCmdCase _ _ (XMatchGroup _))) = return Nothing
foldLHsCmd (L _ (HsCmdArrApp _ expr1 expr2 _ _)) = do
#else
foldLHsCmd (L _ (HsCmdArrApp expr1 expr2 _ _ _)) = do
#endif
_ <- foldLHsExpr expr1
_ <- foldLHsExpr expr2
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,2,2,0)
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsCmd (L _ (HsCmdArrForm _ expr _ _ topCmds)) = do
#else
foldLHsCmd (L _ (HsCmdArrForm expr _ _ topCmds)) = do
#endif
#else
foldLHsCmd (L _ (HsCmdArrForm expr _ topCmds)) = do
#endif
_ <- foldLHsExpr expr
mapM_ foldLHsCmdTop topCmds
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsCmd (L _ (HsCmdApp _ cmd expr)) = do
#else
foldLHsCmd (L _ (HsCmdApp cmd expr)) = do
#endif
_ <- foldLHsCmd cmd
_ <- foldLHsExpr expr
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsCmd (L _ (HsCmdLam _ MG {..})) = do
#else
foldLHsCmd (L _ (HsCmdLam MG {..})) = do
#endif
mapM_ foldLMatchCmd $ unLoc mg_alts
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsCmd (L _ (HsCmdCase _ expr MG {..})) = do
#else
foldLHsCmd (L _ (HsCmdCase expr MG {..})) = do
#endif
_ <- foldLHsExpr expr
mapM_ foldLMatchCmd $ unLoc mg_alts
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsCmd (L _ (HsCmdPar _ cmd)) = do
#else
foldLHsCmd (L _ (HsCmdPar cmd)) = do
#endif
_ <- foldLHsCmd cmd
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsCmd (L _ (HsCmdIf _ _ expr cmd1 cmd2)) = do
#else
foldLHsCmd (L _ (HsCmdIf _ expr cmd1 cmd2)) = do
#endif
_ <- foldLHsCmd cmd1
_ <- foldLHsCmd cmd2
_ <- foldLHsExpr expr
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsCmd (L _ (HsCmdLet _ (L _ binds) cmd)) = do
#else
foldLHsCmd (L _ (HsCmdLet (L _ binds) cmd)) = do
#endif
_ <- foldLHsCmd cmd
_ <- foldHsLocalBindsLR binds
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsCmd (L _ (HsCmdDo _ stmts)) = do
#else
foldLHsCmd (L _ (HsCmdDo stmts _)) = do
#endif
mapM_ foldLStmtLRCmd $ unLoc stmts
return Nothing
#if MIN_VERSION_GLASGOW_HASKELL(8,6,1,0)
foldLHsCmd (L span (HsCmdWrap _ _ cmd)) = do
#else
foldLHsCmd (L span (HsCmdWrap _ cmd)) = do
#endif
_ <- foldLHsCmd (L span cmd)
return Nothing
|