forked from projectlombok/lombok
-
Notifications
You must be signed in to change notification settings - Fork 0
/
EclipseHandlerUtil.java
2516 lines (2206 loc) · 97.4 KB
/
EclipseHandlerUtil.java
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
/*
* Copyright (C) 2009-2020 The Project Lombok Authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.eclipse.handlers;
import static lombok.core.handlers.HandlerUtil.*;
import static lombok.eclipse.Eclipse.*;
import static lombok.eclipse.EclipseAugments.*;
import static lombok.eclipse.handlers.EclipseHandlerUtil.EclipseReflectiveMembers.*;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.jdt.internal.compiler.ast.ASTNode;
import org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration;
import org.eclipse.jdt.internal.compiler.ast.AbstractVariableDeclaration;
import org.eclipse.jdt.internal.compiler.ast.AllocationExpression;
import org.eclipse.jdt.internal.compiler.ast.Annotation;
import org.eclipse.jdt.internal.compiler.ast.Argument;
import org.eclipse.jdt.internal.compiler.ast.ArrayInitializer;
import org.eclipse.jdt.internal.compiler.ast.ArrayQualifiedTypeReference;
import org.eclipse.jdt.internal.compiler.ast.ArrayTypeReference;
import org.eclipse.jdt.internal.compiler.ast.AssertStatement;
import org.eclipse.jdt.internal.compiler.ast.Block;
import org.eclipse.jdt.internal.compiler.ast.CastExpression;
import org.eclipse.jdt.internal.compiler.ast.CharLiteral;
import org.eclipse.jdt.internal.compiler.ast.ClassLiteralAccess;
import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration;
import org.eclipse.jdt.internal.compiler.ast.ConstructorDeclaration;
import org.eclipse.jdt.internal.compiler.ast.DoubleLiteral;
import org.eclipse.jdt.internal.compiler.ast.EqualExpression;
import org.eclipse.jdt.internal.compiler.ast.Expression;
import org.eclipse.jdt.internal.compiler.ast.ExtendedStringLiteral;
import org.eclipse.jdt.internal.compiler.ast.FalseLiteral;
import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration;
import org.eclipse.jdt.internal.compiler.ast.FieldReference;
import org.eclipse.jdt.internal.compiler.ast.FloatLiteral;
import org.eclipse.jdt.internal.compiler.ast.IfStatement;
import org.eclipse.jdt.internal.compiler.ast.IntLiteral;
import org.eclipse.jdt.internal.compiler.ast.Literal;
import org.eclipse.jdt.internal.compiler.ast.LongLiteral;
import org.eclipse.jdt.internal.compiler.ast.MarkerAnnotation;
import org.eclipse.jdt.internal.compiler.ast.MemberValuePair;
import org.eclipse.jdt.internal.compiler.ast.MessageSend;
import org.eclipse.jdt.internal.compiler.ast.MethodDeclaration;
import org.eclipse.jdt.internal.compiler.ast.NameReference;
import org.eclipse.jdt.internal.compiler.ast.NormalAnnotation;
import org.eclipse.jdt.internal.compiler.ast.NullLiteral;
import org.eclipse.jdt.internal.compiler.ast.OperatorIds;
import org.eclipse.jdt.internal.compiler.ast.ParameterizedQualifiedTypeReference;
import org.eclipse.jdt.internal.compiler.ast.ParameterizedSingleTypeReference;
import org.eclipse.jdt.internal.compiler.ast.QualifiedNameReference;
import org.eclipse.jdt.internal.compiler.ast.QualifiedTypeReference;
import org.eclipse.jdt.internal.compiler.ast.SingleMemberAnnotation;
import org.eclipse.jdt.internal.compiler.ast.SingleNameReference;
import org.eclipse.jdt.internal.compiler.ast.SingleTypeReference;
import org.eclipse.jdt.internal.compiler.ast.Statement;
import org.eclipse.jdt.internal.compiler.ast.StringLiteral;
import org.eclipse.jdt.internal.compiler.ast.StringLiteralConcatenation;
import org.eclipse.jdt.internal.compiler.ast.ThisReference;
import org.eclipse.jdt.internal.compiler.ast.ThrowStatement;
import org.eclipse.jdt.internal.compiler.ast.TrueLiteral;
import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
import org.eclipse.jdt.internal.compiler.ast.TypeParameter;
import org.eclipse.jdt.internal.compiler.ast.TypeReference;
import org.eclipse.jdt.internal.compiler.ast.Wildcard;
import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import org.eclipse.jdt.internal.compiler.lookup.Binding;
import org.eclipse.jdt.internal.compiler.lookup.CaptureBinding;
import org.eclipse.jdt.internal.compiler.lookup.ParameterizedTypeBinding;
import org.eclipse.jdt.internal.compiler.lookup.RawTypeBinding;
import org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding;
import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
import org.eclipse.jdt.internal.compiler.lookup.TypeConstants;
import org.eclipse.jdt.internal.compiler.lookup.TypeIds;
import org.eclipse.jdt.internal.compiler.lookup.WildcardBinding;
import lombok.AccessLevel;
import lombok.ConfigurationKeys;
import lombok.Data;
import lombok.Getter;
import lombok.Lombok;
import lombok.core.AST.Kind;
import lombok.core.AnnotationValues;
import lombok.core.AnnotationValues.AnnotationValue;
import lombok.core.LombokImmutableList;
import lombok.core.TypeResolver;
import lombok.core.configuration.CheckerFrameworkVersion;
import lombok.core.configuration.NullAnnotationLibrary;
import lombok.core.configuration.NullCheckExceptionType;
import lombok.core.configuration.TypeName;
import lombok.core.debug.ProblemReporter;
import lombok.core.handlers.HandlerUtil;
import lombok.core.handlers.HandlerUtil.FieldAccess;
import lombok.eclipse.Eclipse;
import lombok.eclipse.EclipseAST;
import lombok.eclipse.EclipseNode;
import lombok.experimental.Accessors;
import lombok.experimental.Tolerate;
import lombok.permit.Permit;
/**
* Container for static utility methods useful to handlers written for eclipse.
*/
public class EclipseHandlerUtil {
private EclipseHandlerUtil() {
//Prevent instantiation
}
/**
* Generates an error in the Eclipse error log. Note that most people never look at it!
*
* @param cud The {@code CompilationUnitDeclaration} where the error occurred.
* An error will be generated on line 0 linking to the error log entry. Can be {@code null}.
* @param message Human readable description of the problem.
* @param ex The associated exception. Can be {@code null}.
*/
public static void error(CompilationUnitDeclaration cud, String message, Throwable ex) {
ProblemReporter.error(message, ex);
if (cud != null) EclipseAST.addProblemToCompilationResult(cud.getFileName(), cud.compilationResult, false, message + " - See error log.", 0, 0);
}
/**
* Generates a warning in the Eclipse error log. Note that most people never look at it!
*
* @param message Human readable description of the problem.
* @param ex The associated exception. Can be {@code null}.
*/
public static void warning(String message, Throwable ex) {
ProblemReporter.warning(message, ex);
}
public static ASTNode getGeneratedBy(ASTNode node) {
return ASTNode_generatedBy.get(node);
}
public static boolean isGenerated(ASTNode node) {
return getGeneratedBy(node) != null;
}
public static <T extends ASTNode> T setGeneratedBy(T node, ASTNode source) {
ASTNode_generatedBy.set(node, source);
return node;
}
public static MarkerAnnotation generateDeprecatedAnnotation(ASTNode source) {
QualifiedTypeReference qtr = new QualifiedTypeReference(new char[][] {
{'j', 'a', 'v', 'a'}, {'l', 'a', 'n', 'g'}, {'D', 'e', 'p', 'r', 'e', 'c', 'a', 't', 'e', 'd'}}, poss(source, 3));
setGeneratedBy(qtr, source);
MarkerAnnotation ma = new MarkerAnnotation(qtr, source.sourceStart);
// No matter what value you input for sourceEnd, the AST->DOM converter of eclipse will reparse to find the end, and will fail as
// it can't find code that isn't really there. This results in the end position being set to 2 or 0 or some weird magic value, and thus,
// length, as calculated by end-start, is all screwed up, resulting in IllegalArgumentException during a setSourceRange call MUCH later in the process.
// We solve it by going with a voodoo magic source start value such that the calculated length so happens to exactly be 0. 0 lengths are accepted
// by eclipse. For some reason.
// TL;DR: Don't change 1. 1 is sacred. Trust the 1.
// issue: #408.
ma.sourceStart = 1;
setGeneratedBy(ma, source);
return ma;
}
public static MarkerAnnotation generateNamedAnnotation(ASTNode source, String typeName) {
char[][] cc = fromQualifiedName(typeName);
QualifiedTypeReference qtr = new QualifiedTypeReference(cc, poss(source, cc.length));
setGeneratedBy(qtr, source);
MarkerAnnotation ma = new MarkerAnnotation(qtr, source.sourceStart);
// No matter what value you input for sourceEnd, the AST->DOM converter of eclipse will reparse to find the end, and will fail as
// it can't find code that isn't really there. This results in the end position being set to 2 or 0 or some weird magic value, and thus,
// length, as calculated by end-start, is all screwed up, resulting in IllegalArgumentException during a setSourceRange call MUCH later in the process.
// We solve it by going with a voodoo magic source start value such that the calculated length so happens to exactly be 0. 0 lengths are accepted
// by eclipse. For some reason.
// TL;DR: Don't change 1. 1 is sacred. Trust the 1.
// issue: #408.
ma.sourceStart = 1;
setGeneratedBy(ma, source);
return ma;
}
public static boolean isFieldDeprecated(EclipseNode fieldNode) {
if (!(fieldNode.get() instanceof FieldDeclaration)) return false;
FieldDeclaration field = (FieldDeclaration) fieldNode.get();
if ((field.modifiers & ClassFileConstants.AccDeprecated) != 0) {
return true;
}
if (field.annotations == null) return false;
for (Annotation annotation : field.annotations) {
if (typeMatches(Deprecated.class, fieldNode, annotation.type)) {
return true;
}
}
return false;
}
public static CheckerFrameworkVersion getCheckerFrameworkVersion(EclipseNode node) {
CheckerFrameworkVersion cfv = node.getAst().readConfiguration(ConfigurationKeys.CHECKER_FRAMEWORK);
return cfv != null ? cfv : CheckerFrameworkVersion.NONE;
}
/**
* Checks if the given TypeReference node is likely to be a reference to the provided class.
*
* @param type An actual type. This method checks if {@code typeNode} is likely to be a reference to this type.
* @param node A Lombok AST node. Any node in the appropriate compilation unit will do (used to get access to import statements).
* @param typeRef A type reference to check.
*/
public static boolean typeMatches(Class<?> type, EclipseNode node, TypeReference typeRef) {
if (typeRef == null || typeRef.getTypeName() == null || typeRef.getTypeName().length == 0) return false;
String lastPartA = new String(typeRef.getTypeName()[typeRef.getTypeName().length -1]);
String lastPartB = type.getSimpleName();
if (!lastPartA.equals(lastPartB)) return false;
String typeName = toQualifiedName(typeRef.getTypeName());
TypeResolver resolver = new TypeResolver(node.getImportList());
return resolver.typeMatches(node, type.getName(), typeName);
}
/**
* Checks if the given TypeReference node is likely to be a reference to the provided class.
*
* @param type An actual type. This method checks if {@code typeNode} is likely to be a reference to this type.
* @param node A Lombok AST node. Any node in the appropriate compilation unit will do (used to get access to import statements).
* @param typeRef A type reference to check.
*/
public static boolean typeMatches(String type, EclipseNode node, TypeReference typeRef) {
char[][] tn = typeRef == null ? null : typeRef.getTypeName();
if (tn == null || tn.length == 0) return false;
char[] lastPartA = tn[tn.length - 1];
int lastIndex = type.lastIndexOf('.') + 1;
if (lastPartA.length != type.length() - lastIndex) return false;
for (int i = 0; i < lastPartA.length; i++) if (lastPartA[i] != type.charAt(i + lastIndex)) return false;
String typeName = toQualifiedName(tn);
TypeResolver resolver = node.getImportListAsTypeResolver();
return resolver.typeMatches(node, type, typeName);
}
public static void sanityCheckForMethodGeneratingAnnotationsOnBuilderClass(EclipseNode typeNode, EclipseNode errorNode) {
List<String> disallowed = null;
for (EclipseNode child : typeNode.down()) {
if (child.getKind() != Kind.ANNOTATION) continue;
for (String annType : INVALID_ON_BUILDERS) {
if (annotationTypeMatches(annType, child)) {
if (disallowed == null) disallowed = new ArrayList<String>();
int lastIndex = annType.lastIndexOf('.');
disallowed.add(lastIndex == -1 ? annType : annType.substring(lastIndex + 1));
}
}
}
int size = disallowed == null ? 0 : disallowed.size();
if (size == 0) return;
if (size == 1) {
errorNode.addError("@" + disallowed.get(0) + " is not allowed on builder classes.");
return;
}
StringBuilder out = new StringBuilder();
for (String a : disallowed) out.append("@").append(a).append(", ");
out.setLength(out.length() - 2);
errorNode.addError(out.append(" are not allowed on builder classes.").toString());
}
public static Annotation copyAnnotation(Annotation annotation, ASTNode source) {
int pS = source.sourceStart, pE = source.sourceEnd;
if (annotation instanceof MarkerAnnotation) {
MarkerAnnotation ann = new MarkerAnnotation(copyType(annotation.type, source), pS);
setGeneratedBy(ann, source);
ann.declarationSourceEnd = ann.sourceEnd = ann.statementEnd = pE;
try {
reflectSet(ANNOTATION__MEMBER_VALUE_PAIR_NAME, ann, reflect(ANNOTATION__MEMBER_VALUE_PAIR_NAME, annotation));
} catch (Exception ignore) { /* Various eclipse versions don't have it */ }
return ann;
}
if (annotation instanceof SingleMemberAnnotation) {
SingleMemberAnnotation ann = new SingleMemberAnnotation(copyType(annotation.type, source), pS);
setGeneratedBy(ann, source);
ann.declarationSourceEnd = ann.sourceEnd = ann.statementEnd = pE;
ann.memberValue = copyAnnotationMemberValue(((SingleMemberAnnotation) annotation).memberValue);
try {
reflectSet(ANNOTATION__MEMBER_VALUE_PAIR_NAME, ann, reflect(ANNOTATION__MEMBER_VALUE_PAIR_NAME, annotation));
} catch (Exception ignore) { /* Various eclipse versions don't have it */ }
return ann;
}
if (annotation instanceof NormalAnnotation) {
NormalAnnotation ann = new NormalAnnotation(copyType(annotation.type, source), pS);
setGeneratedBy(ann, source);
ann.declarationSourceEnd = ann.statementEnd = ann.sourceEnd = pE;
MemberValuePair[] inPairs = ((NormalAnnotation) annotation).memberValuePairs;
if (inPairs == null) {
ann.memberValuePairs = null;
} else {
ann.memberValuePairs = new MemberValuePair[inPairs.length];
for (int i = 0; i < inPairs.length; i++) ann.memberValuePairs[i] =
new MemberValuePair(inPairs[i].name, inPairs[i].sourceStart, inPairs[i].sourceEnd, copyAnnotationMemberValue(inPairs[i].value));
}
try {
reflectSet(ANNOTATION__MEMBER_VALUE_PAIR_NAME, ann, reflect(ANNOTATION__MEMBER_VALUE_PAIR_NAME, annotation));
} catch (Exception ignore) { /* Various eclipse versions don't have it */ }
return ann;
}
return annotation;
}
static class EclipseReflectiveMembers {
public static final Field STRING_LITERAL__LINE_NUMBER;
public static final Field ANNOTATION__MEMBER_VALUE_PAIR_NAME;
public static final Field TYPE_REFERENCE__ANNOTATIONS;
public static final Class<?> INTERSECTION_BINDING;
public static final Field INTERSECTION_BINDING_TYPES;
static {
STRING_LITERAL__LINE_NUMBER = getField(StringLiteral.class, "lineNumber");
ANNOTATION__MEMBER_VALUE_PAIR_NAME = getField(Annotation.class, "memberValuePairName");
TYPE_REFERENCE__ANNOTATIONS = getField(TypeReference.class, "annotations");
INTERSECTION_BINDING = getClass("org.eclipse.jdt.internal.compiler.lookup.IntersectionTypeBinding18");
INTERSECTION_BINDING_TYPES = INTERSECTION_BINDING == null ? null : getField(INTERSECTION_BINDING, "intersectingTypes");
}
public static int reflectInt(Field f, Object o) {
try {
return ((Number) f.get(o)).intValue();
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
}
}
public static void reflectSet(Field f, Object o, Object v) {
try {
f.set(o, v);
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
}
}
public static Object reflect(Field f, Object o) {
try {
return f.get(o);
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
}
}
private static Class<?> getClass(String fqn) {
try {
return Class.forName(fqn);
} catch (Exception e) {
return null;
}
}
private static Field getField(Class<?> c, String fName) {
try {
return Permit.getField(c, fName);
} catch (Exception e) {
return null;
}
}
}
private static Expression copyAnnotationMemberValue(Expression in) {
Expression out = copyAnnotationMemberValue0(in);
out.constant = in.constant;
return out;
}
private static Expression copyAnnotationMemberValue0(Expression in) {
int s = in.sourceStart, e = in.sourceEnd;
// literals
if (in instanceof FalseLiteral) return new FalseLiteral(s, e);
if (in instanceof TrueLiteral) return new TrueLiteral(s, e);
if (in instanceof NullLiteral) return new NullLiteral(s, e);
if (in instanceof CharLiteral) return new CharLiteral(((Literal) in).source(), s, e);
if (in instanceof DoubleLiteral) return new DoubleLiteral(((Literal) in).source(), s, e);
if (in instanceof FloatLiteral) return new FloatLiteral(((Literal) in).source(), s, e);
if (in instanceof IntLiteral) return IntLiteral.buildIntLiteral(((Literal) in).source(), s, e);
if (in instanceof LongLiteral) return LongLiteral.buildLongLiteral(((Literal) in).source(), s, e);
if (in instanceof StringLiteral) return new StringLiteral(((Literal) in).source(), s, e, reflectInt(STRING_LITERAL__LINE_NUMBER, in) + 1);
if (in instanceof ExtendedStringLiteral) {
StringLiteral str = new StringLiteral(((Literal) in).source(), s, e, reflectInt(STRING_LITERAL__LINE_NUMBER, in) + 1);
StringLiteral empty = new StringLiteral(new char[0], s, e, reflectInt(STRING_LITERAL__LINE_NUMBER, in) + 1);
return new ExtendedStringLiteral(str, empty);
}
if (in instanceof StringLiteralConcatenation) {
Expression[] literals = ((StringLiteralConcatenation) in).literals;
// 0 and 1 len shouldn't happen.
if (literals.length == 0) return new StringLiteral(new char[0], s, e, 0);
if (literals.length == 1) return copyAnnotationMemberValue0(literals[0]);
StringLiteralConcatenation c = new StringLiteralConcatenation((StringLiteral) literals[0], (StringLiteral) literals[1]);
for (int i = 2; i < literals.length; i++) c = c.extendsWith((StringLiteral) literals[i]);
return c;
}
// enums and field accesses (as long as those are references to compile time constant literals that's also acceptable)
if (in instanceof SingleNameReference) {
SingleNameReference snr = (SingleNameReference) in;
long p = (long) s << 32 | e;
return new SingleNameReference(snr.token, p);
}
if (in instanceof QualifiedNameReference) {
QualifiedNameReference qnr = (QualifiedNameReference) in;
return new QualifiedNameReference(qnr.tokens, qnr.sourcePositions, s, e);
}
// class refs
if (in instanceof ClassLiteralAccess) return new ClassLiteralAccess(e, copyType(((ClassLiteralAccess) in).type));
// arrays
if (in instanceof ArrayInitializer) {
Expression[] exprs = ((ArrayInitializer) in).expressions;
Expression[] copy = new Expression[exprs.length];
for (int i = 0; i < exprs.length; i++) copy[i] = copyAnnotationMemberValue(exprs[i]);
ArrayInitializer out = new ArrayInitializer();
out.sourceStart = s;
out.sourceEnd = e;
out.bits = in.bits;
out.implicitConversion = in.implicitConversion;
out.statementEnd = in.statementEnd;
out.expressions = copy;
return out;
}
return in;
}
/**
* You can't share TypeParameter objects or bad things happen; for example, one 'T' resolves differently
* from another 'T', even for the same T in a single class file. Unfortunately the TypeParameter type hierarchy
* is complicated and there's no clone method on TypeParameter itself. This method can clone them.
*/
public static TypeParameter[] copyTypeParams(TypeParameter[] params, ASTNode source) {
if (params == null) return null;
TypeParameter[] out = new TypeParameter[params.length];
int idx = 0;
for (TypeParameter param : params) {
TypeParameter o = new TypeParameter();
setGeneratedBy(o, source);
o.annotations = param.annotations;
o.bits = param.bits;
o.modifiers = param.modifiers;
o.name = param.name;
o.type = copyType(param.type, source);
o.sourceStart = param.sourceStart;
o.sourceEnd = param.sourceEnd;
o.declarationEnd = param.declarationEnd;
o.declarationSourceStart = param.declarationSourceStart;
o.declarationSourceEnd = param.declarationSourceEnd;
if (param.bounds != null) {
TypeReference[] b = new TypeReference[param.bounds.length];
int idx2 = 0;
for (TypeReference ref : param.bounds) b[idx2++] = copyType(ref, source);
o.bounds = b;
}
out[idx++] = o;
}
return out;
}
public static Annotation[] getTypeUseAnnotations(TypeReference from) {
Annotation[][] a;
try {
a = (Annotation[][]) reflect(TYPE_REFERENCE__ANNOTATIONS, from);
} catch (Exception e) {
return null;
}
if (a == null) return null;
Annotation[] b = a[a.length - 1];
return b.length == 0 ? null : b;
}
public static void removeTypeUseAnnotations(TypeReference from) {
try {
reflectSet(TYPE_REFERENCE__ANNOTATIONS, from, null);
} catch (Exception ignore) {}
}
public static TypeReference namePlusTypeParamsToTypeReference(EclipseNode type, TypeParameter[] params, long p) {
TypeDeclaration td = (TypeDeclaration) type.get();
boolean instance = (td.modifiers & MODIFIERS_INDICATING_STATIC) == 0;
return namePlusTypeParamsToTypeReference(type.up(), td.name, instance, params, p);
}
public static TypeReference namePlusTypeParamsToTypeReference(EclipseNode parentType, char[] typeName, boolean instance, TypeParameter[] params, long p) {
if (params != null && params.length > 0) {
TypeReference[] refs = new TypeReference[params.length];
int idx = 0;
for (TypeParameter param : params) {
TypeReference typeRef = new SingleTypeReference(param.name, p);
refs[idx++] = typeRef;
}
return generateParameterizedTypeReference(parentType, typeName, instance, refs, p);
}
return generateTypeReference(parentType, typeName, instance, p);
}
public static TypeReference[] copyTypes(TypeReference[] refs) {
return copyTypes(refs, null);
}
/**
* Convenience method that creates a new array and copies each TypeReference in the source array via
* {@link #copyType(TypeReference, ASTNode)}.
*/
public static TypeReference[] copyTypes(TypeReference[] refs, ASTNode source) {
if (refs == null) return null;
TypeReference[] outs = new TypeReference[refs.length];
int idx = 0;
for (TypeReference ref : refs) {
outs[idx++] = copyType(ref, source);
}
return outs;
}
public static TypeReference copyType(TypeReference ref) {
return copyType(ref, null);
}
/**
* You can't share TypeReference objects or subtle errors start happening.
* Unfortunately the TypeReference type hierarchy is complicated and there's no clone
* method on TypeReference itself. This method can clone them.
*/
public static TypeReference copyType(TypeReference ref, ASTNode source) {
if (ref instanceof ParameterizedQualifiedTypeReference) {
ParameterizedQualifiedTypeReference iRef = (ParameterizedQualifiedTypeReference) ref;
TypeReference[][] args = null;
if (iRef.typeArguments != null) {
args = new TypeReference[iRef.typeArguments.length][];
int idx = 0;
for (TypeReference[] inRefArray : iRef.typeArguments) {
if (inRefArray == null) args[idx++] = null;
else {
TypeReference[] outRefArray = new TypeReference[inRefArray.length];
int idx2 = 0;
for (TypeReference inRef : inRefArray) {
outRefArray[idx2++] = copyType(inRef, source);
}
args[idx++] = outRefArray;
}
}
}
TypeReference typeRef = new ParameterizedQualifiedTypeReference(iRef.tokens, args, iRef.dimensions(), copy(iRef.sourcePositions));
copyTypeAnns(ref, typeRef);
if (source != null) setGeneratedBy(typeRef, source);
return typeRef;
}
if (ref instanceof ArrayQualifiedTypeReference) {
ArrayQualifiedTypeReference iRef = (ArrayQualifiedTypeReference) ref;
TypeReference typeRef = new ArrayQualifiedTypeReference(iRef.tokens, iRef.dimensions(), copy(iRef.sourcePositions));
copyTypeAnns(ref, typeRef);
if (source != null) setGeneratedBy(typeRef, source);
return typeRef;
}
if (ref instanceof QualifiedTypeReference) {
QualifiedTypeReference iRef = (QualifiedTypeReference) ref;
TypeReference typeRef = new QualifiedTypeReference(iRef.tokens, copy(iRef.sourcePositions));
copyTypeAnns(ref, typeRef);
if (source != null) setGeneratedBy(typeRef, source);
return typeRef;
}
if (ref instanceof ParameterizedSingleTypeReference) {
ParameterizedSingleTypeReference iRef = (ParameterizedSingleTypeReference) ref;
TypeReference[] args = null;
if (iRef.typeArguments != null) {
args = new TypeReference[iRef.typeArguments.length];
int idx = 0;
for (TypeReference inRef : iRef.typeArguments) {
if (inRef == null) args[idx++] = null;
else args[idx++] = copyType(inRef, source);
}
}
TypeReference typeRef = new ParameterizedSingleTypeReference(iRef.token, args, iRef.dimensions(), (long) iRef.sourceStart << 32 | iRef.sourceEnd);
copyTypeAnns(ref, typeRef);
if (source != null) setGeneratedBy(typeRef, source);
return typeRef;
}
if (ref instanceof ArrayTypeReference) {
ArrayTypeReference iRef = (ArrayTypeReference) ref;
TypeReference typeRef = new ArrayTypeReference(iRef.token, iRef.dimensions(), (long) iRef.sourceStart << 32 | iRef.sourceEnd);
copyTypeAnns(ref, typeRef);
if (source != null) setGeneratedBy(typeRef, source);
return typeRef;
}
if (ref instanceof Wildcard) {
Wildcard original = (Wildcard) ref;
Wildcard wildcard = new Wildcard(original.kind);
wildcard.sourceStart = original.sourceStart;
wildcard.sourceEnd = original.sourceEnd;
if (original.bound != null) wildcard.bound = copyType(original.bound, source);
copyTypeAnns(ref, wildcard);
if (source != null) setGeneratedBy(wildcard, source);
return wildcard;
}
if (ref instanceof SingleTypeReference) {
SingleTypeReference iRef = (SingleTypeReference) ref;
TypeReference typeRef = new SingleTypeReference(iRef.token, (long) iRef.sourceStart << 32 | iRef.sourceEnd);
copyTypeAnns(ref, typeRef);
if (source != null) setGeneratedBy(typeRef, source);
return typeRef;
}
return ref;
}
private static void copyTypeAnns(TypeReference in, TypeReference out) {
Annotation[][] a;
try {
a = (Annotation[][]) reflect(TYPE_REFERENCE__ANNOTATIONS, in);
} catch (Exception e) {
return;
}
if (a == null) {
reflectSet(TYPE_REFERENCE__ANNOTATIONS, out, null);
return;
}
Annotation[][] b = new Annotation[a.length][];
for (int i = 0; i < a.length; i++) {
b[i] = new Annotation[a[i].length];
for (int j = 0 ; j < a[i].length; j++) {
b[i][j] = copyAnnotation(a[i][j], a[i][j]);
}
}
reflectSet(TYPE_REFERENCE__ANNOTATIONS, out, b);
}
public static Annotation[] copyAnnotations(ASTNode source, Annotation[]... allAnnotations) {
List<Annotation> result = null;
for (Annotation[] annotations : allAnnotations) {
if (annotations != null) {
for (Annotation annotation : annotations) {
if (result == null) result = new ArrayList<Annotation>();
result.add(copyAnnotation(annotation, source));
}
}
}
return result == null ? null : result.toArray(new Annotation[0]);
}
public static boolean hasAnnotation(Class<? extends java.lang.annotation.Annotation> type, EclipseNode node) {
if (node == null) return false;
if (type == null) return false;
switch (node.getKind()) {
case ARGUMENT:
case FIELD:
case LOCAL:
case TYPE:
case METHOD:
for (EclipseNode child : node.down()) {
if (annotationTypeMatches(type, child)) return true;
}
// intentional fallthrough
default:
return false;
}
}
public static boolean hasAnnotation(String type, EclipseNode node) {
if (node == null) return false;
if (type == null) return false;
switch (node.getKind()) {
case ARGUMENT:
case FIELD:
case LOCAL:
case TYPE:
case METHOD:
for (EclipseNode child : node.down()) {
if (annotationTypeMatches(type, child)) return true;
}
// intentional fallthrough
default:
return false;
}
}
public static EclipseNode findInnerClass(EclipseNode parent, String name) {
char[] c = name.toCharArray();
for (EclipseNode child : parent.down()) {
if (child.getKind() != Kind.TYPE) continue;
TypeDeclaration td = (TypeDeclaration) child.get();
if (Arrays.equals(td.name, c)) return child;
}
return null;
}
public static EclipseNode findAnnotation(Class<? extends java.lang.annotation.Annotation> type, EclipseNode node) {
if (node == null) return null;
if (type == null) return null;
switch (node.getKind()) {
case ARGUMENT:
case FIELD:
case LOCAL:
case TYPE:
case METHOD:
for (EclipseNode child : node.down()) {
if (annotationTypeMatches(type, child)) return child;
}
// intentional fallthrough
default:
return null;
}
}
public static String scanForNearestAnnotation(EclipseNode node, String... anns) {
while (node != null) {
for (EclipseNode ann : node.down()) {
if (ann.getKind() != Kind.ANNOTATION) continue;
Annotation a = (Annotation) ann.get();
TypeReference aType = a.type;
for (String annToFind : anns) if (typeMatches(annToFind, node, aType)) return annToFind;
}
node = node.up();
}
return null;
}
public static boolean hasNonNullAnnotations(EclipseNode node) {
AbstractVariableDeclaration avd = (AbstractVariableDeclaration) node.get();
if (avd.annotations == null) return false;
for (Annotation annotation : avd.annotations) {
TypeReference typeRef = annotation.type;
if (typeRef != null && typeRef.getTypeName() != null) {
for (String bn : NONNULL_ANNOTATIONS) if (typeMatches(bn, node, typeRef)) return true;
}
}
return false;
}
public static boolean hasNonNullAnnotations(EclipseNode node, List<Annotation> anns) {
if (anns == null) return false;
for (Annotation annotation : anns) {
TypeReference typeRef = annotation.type;
if (typeRef != null && typeRef.getTypeName() != null) {
for (String bn : NONNULL_ANNOTATIONS) if (typeMatches(bn, node, typeRef)) return true;
}
}
return false;
}
private static final Annotation[] EMPTY_ANNOTATIONS_ARRAY = new Annotation[0];
/**
* Searches the given field node for annotations and returns each one that is 'copyable' (either via configuration or from the base list).
*/
public static Annotation[] findCopyableAnnotations(EclipseNode node) {
AbstractVariableDeclaration avd = (AbstractVariableDeclaration) node.get();
if (avd.annotations == null) return EMPTY_ANNOTATIONS_ARRAY;
List<Annotation> result = new ArrayList<Annotation>();
List<TypeName> configuredCopyable = node.getAst().readConfiguration(ConfigurationKeys.COPYABLE_ANNOTATIONS);
for (Annotation annotation : avd.annotations) {
TypeReference typeRef = annotation.type;
boolean match = false;
if (typeRef != null && typeRef.getTypeName() != null) {
for (TypeName cn : configuredCopyable) if (cn != null && typeMatches(cn.toString(), node, typeRef)) {
result.add(annotation);
match = true;
break;
}
if (!match) for (String bn : BASE_COPYABLE_ANNOTATIONS) if (typeMatches(bn, node, typeRef)) {
result.add(annotation);
break;
}
}
}
return result.toArray(EMPTY_ANNOTATIONS_ARRAY);
}
/**
* Searches the given field node for annotations that are specifically intentioned to be copied to the setter.
*/
public static Annotation[] findCopyableToSetterAnnotations(EclipseNode node) {
AbstractVariableDeclaration avd = (AbstractVariableDeclaration) node.get();
if (avd.annotations == null) return EMPTY_ANNOTATIONS_ARRAY;
List<Annotation> result = new ArrayList<Annotation>();
for (Annotation annotation : avd.annotations) {
TypeReference typeRef = annotation.type;
if (typeRef != null && typeRef.getTypeName() != null) {
for (String bn : COPY_TO_SETTER_ANNOTATIONS) if (typeMatches(bn, node, typeRef)) {
result.add(annotation);
break;
}
}
}
return result.toArray(EMPTY_ANNOTATIONS_ARRAY);
}
/**
* Checks if the provided annotation type is likely to be the intended type for the given annotation node.
*
* This is a guess, but a decent one.
*/
public static boolean annotationTypeMatches(Class<? extends java.lang.annotation.Annotation> type, EclipseNode node) {
if (node.getKind() != Kind.ANNOTATION) return false;
return typeMatches(type, node, ((Annotation) node.get()).type);
}
/**
* Checks if the provided annotation type is likely to be the intended type for the given annotation node.
*
* This is a guess, but a decent one.
*/
public static boolean annotationTypeMatches(String type, EclipseNode node) {
if (node.getKind() != Kind.ANNOTATION) return false;
return typeMatches(type, node, ((Annotation) node.get()).type);
}
public static TypeReference cloneSelfType(EclipseNode context) {
return cloneSelfType(context, null);
}
public static TypeReference cloneSelfType(EclipseNode context, ASTNode source) {
int pS = source == null ? 0 : source.sourceStart, pE = source == null ? 0 : source.sourceEnd;
long p = (long) pS << 32 | pE;
EclipseNode type = context;
TypeReference result = null;
while (type != null && type.getKind() != Kind.TYPE) type = type.up();
if (type != null && type.get() instanceof TypeDeclaration) {
TypeDeclaration typeDecl = (TypeDeclaration) type.get();
if (typeDecl.typeParameters != null && typeDecl.typeParameters.length > 0) {
TypeReference[] refs = new TypeReference[typeDecl.typeParameters.length];
int idx = 0;
for (TypeParameter param : typeDecl.typeParameters) {
TypeReference typeRef = new SingleTypeReference(param.name, (long)param.sourceStart << 32 | param.sourceEnd);
if (source != null) setGeneratedBy(typeRef, source);
refs[idx++] = typeRef;
}
result = generateParameterizedTypeReference(type, refs, p);
} else {
result = generateTypeReference(type, p);
}
}
if (result != null && source != null) setGeneratedBy(result, source);
return result;
}
public static TypeReference generateParameterizedTypeReference(EclipseNode type, TypeReference[] typeParams, long p) {
TypeDeclaration td = (TypeDeclaration) type.get();
char[][] tn = getQualifiedInnerName(type.up(), td.name);
if (tn.length == 1) return new ParameterizedSingleTypeReference(tn[0], typeParams, 0, p);
int tnLen = tn.length;
long[] ps = new long[tnLen];
for (int i = 0; i < tnLen; i++) ps[i] = p;
TypeReference[][] rr = new TypeReference[tnLen][];
rr[tnLen - 1] = typeParams;
boolean instance = (td.modifiers & MODIFIERS_INDICATING_STATIC) == 0;
if (instance) fillOuterTypeParams(rr, tnLen - 2, type.up(), p);
return new ParameterizedQualifiedTypeReference(tn, rr, 0, ps);
}
public static TypeReference generateParameterizedTypeReference(EclipseNode parent, char[] name, boolean instance, TypeReference[] typeParams, long p) {
char[][] tn = getQualifiedInnerName(parent, name);
if (tn.length == 1) return new ParameterizedSingleTypeReference(tn[0], typeParams, 0, p);
int tnLen = tn.length;
long[] ps = new long[tnLen];
for (int i = 0; i < tnLen; i++) ps[i] = p;
TypeReference[][] rr = new TypeReference[tnLen][];
rr[tnLen - 1] = typeParams;
if (instance) fillOuterTypeParams(rr, tnLen - 2, parent, p);
return new ParameterizedQualifiedTypeReference(tn, rr, 0, ps);
}
private static final int MODIFIERS_INDICATING_STATIC = ClassFileConstants.AccInterface | ClassFileConstants.AccStatic | ClassFileConstants.AccEnum;
/**
* This class will add type params to fully qualified chain of type references for inner types, such as {@code GrandParent.Parent.Child}; this is needed only as long as the chain does not involve static.
*
* @return {@code true} if at least one parameterization is actually added, {@code false} otherwise.
*/
private static boolean fillOuterTypeParams(TypeReference[][] rr, int idx, EclipseNode node, long p) {
if (idx < 0 || node == null || !(node.get() instanceof TypeDeclaration)) return false;
boolean filled = false;
TypeDeclaration td = (TypeDeclaration) node.get();
if (0 != (td.modifiers & (ClassFileConstants.AccInterface | ClassFileConstants.AccEnum))) {
// any class defs inside an enum or interface are static, even if not marked as such.
return false;
}
TypeParameter[] tps = td.typeParameters;
if (tps != null && tps.length > 0) {
TypeReference[] trs = new TypeReference[tps.length];
for (int i = 0; i < tps.length; i++) {
trs[i] = new SingleTypeReference(tps[i].name, p);
}
rr[idx] = trs;
filled = true;
}
if ((td.modifiers & MODIFIERS_INDICATING_STATIC) != 0) return filled; // Once we hit a static class, no further typeparams needed.
boolean f2 = fillOuterTypeParams(rr, idx - 1, node.up(), p);
return f2 || filled;
}
public static NameReference generateNameReference(EclipseNode type, long p) {
char[][] tn = getQualifiedInnerName(type.up(), ((TypeDeclaration) type.get()).name);
if (tn.length == 1) return new SingleNameReference(tn[0], p);
int tnLen = tn.length;
long[] ps = new long[tnLen];
for (int i = 0; i < tnLen; i++) ps[i] = p;
int ss = (int) (p >> 32);
int se = (int) p;
return new QualifiedNameReference(tn, ps, ss, se);
}
public static NameReference generateNameReference(EclipseNode parent, char[] name, long p) {
char[][] tn = getQualifiedInnerName(parent, name);
if (tn.length == 1) return new SingleNameReference(tn[0], p);
int tnLen = tn.length;
long[] ps = new long[tnLen];
for (int i = 0; i < tnLen; i++) ps[i] = p;
int ss = (int) (p >> 32);
int se = (int) p;
return new QualifiedNameReference(tn, ps, ss, se);
}
public static TypeReference generateTypeReference(EclipseNode type, long p) {
TypeDeclaration td = (TypeDeclaration) type.get();
char[][] tn = getQualifiedInnerName(type.up(), td.name);
if (tn.length == 1) return new SingleTypeReference(tn[0], p);
int tnLen = tn.length;
long[] ps = new long[tnLen];
for (int i = 0; i < tnLen; i++) ps[i] = p;
boolean instance = (td.modifiers & MODIFIERS_INDICATING_STATIC) == 0 && type.up() != null && type.up().get() instanceof TypeDeclaration;
if (instance) {
TypeReference[][] trs = new TypeReference[tn.length][];
boolean filled = fillOuterTypeParams(trs, trs.length - 2, type.up(), p);
if (filled) return new ParameterizedQualifiedTypeReference(tn, trs, 0, ps);
}
return new QualifiedTypeReference(tn, ps);
}
public static TypeReference generateTypeReference(EclipseNode parent, char[] name, boolean instance, long p) {
char[][] tn = getQualifiedInnerName(parent, name);
if (tn.length == 1) return new SingleTypeReference(tn[0], p);
int tnLen = tn.length;
long[] ps = new long[tnLen];
for (int i = 0; i < tnLen; i++) ps[i] = p;
if (instance && parent != null && parent.get() instanceof TypeDeclaration) {
TypeReference[][] trs = new TypeReference[tn.length][];
if (fillOuterTypeParams(trs, tn.length - 2, parent, p)) return new ParameterizedQualifiedTypeReference(tn, trs, 0, ps);
}
return new QualifiedTypeReference(tn, ps);
}
/**
* Generate a chain of names for the enclosing classes.
*
* Given for example {@code class Outer { class Inner {} }} this would generate {@code char[][] { "Outer", "Inner" }}.