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src/share/classes/com/sun/tools/javac/comp/Annotate.java@b0c086cd4520
src/share/classes/com/sun/tools/javac/comp/Annotate.java
Tue, 15 Oct 2013 15:57:13 -0700
- author
- jjg
- date
- Tue, 15 Oct 2013 15:57:13 -0700
- changeset 2134
- b0c086cd4520
- parent 2133
- 19e8eebfbe52
- child 2136
- 7f6481e5fe3a
- permissions
- -rw-r--r--
8026564: import changes from type-annotations forest
Reviewed-by: jjg
Contributed-by: wdietl@gmail.com, steve.sides@oracle.com
1 /*
2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 package com.sun.tools.javac.comp;
28 import java.util.Map;
30 import com.sun.tools.javac.util.*;
31 import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition;
32 import com.sun.tools.javac.code.*;
33 import com.sun.tools.javac.code.Symbol.*;
34 import com.sun.tools.javac.tree.*;
35 import com.sun.tools.javac.tree.JCTree.*;
37 import static com.sun.tools.javac.code.TypeTag.ARRAY;
38 import static com.sun.tools.javac.code.TypeTag.CLASS;
39 import static com.sun.tools.javac.tree.JCTree.Tag.*;
40 import javax.lang.model.type.ErrorType;
42 /** Enter annotations on symbols. Annotations accumulate in a queue,
43 * which is processed at the top level of any set of recursive calls
44 * requesting it be processed.
45 *
46 * <p><b>This is NOT part of any supported API.
47 * If you write code that depends on this, you do so at your own risk.
48 * This code and its internal interfaces are subject to change or
49 * deletion without notice.</b>
50 */
51 public class Annotate {
52 protected static final Context.Key<Annotate> annotateKey =
53 new Context.Key<Annotate>();
55 public static Annotate instance(Context context) {
56 Annotate instance = context.get(annotateKey);
57 if (instance == null)
58 instance = new Annotate(context);
59 return instance;
60 }
62 final Attr attr;
63 final TreeMaker make;
64 final Log log;
65 final Symtab syms;
66 final Names names;
67 final Resolve rs;
68 final Types types;
69 final ConstFold cfolder;
70 final Check chk;
72 protected Annotate(Context context) {
73 context.put(annotateKey, this);
74 attr = Attr.instance(context);
75 make = TreeMaker.instance(context);
76 log = Log.instance(context);
77 syms = Symtab.instance(context);
78 names = Names.instance(context);
79 rs = Resolve.instance(context);
80 types = Types.instance(context);
81 cfolder = ConstFold.instance(context);
82 chk = Check.instance(context);
83 }
85 /* ********************************************************************
86 * Queue maintenance
87 *********************************************************************/
89 private int enterCount = 0;
91 ListBuffer<Worker> q = new ListBuffer<Worker>();
92 ListBuffer<Worker> typesQ = new ListBuffer<Worker>();
93 ListBuffer<Worker> repeatedQ = new ListBuffer<Worker>();
94 ListBuffer<Worker> afterRepeatedQ = new ListBuffer<Worker>();
95 ListBuffer<Worker> validateQ = new ListBuffer<Worker>();
97 public void earlier(Worker a) {
98 q.prepend(a);
99 }
101 public void normal(Worker a) {
102 q.append(a);
103 }
105 public void typeAnnotation(Worker a) {
106 typesQ.append(a);
107 }
109 public void repeated(Worker a) {
110 repeatedQ.append(a);
111 }
113 public void afterRepeated(Worker a) {
114 afterRepeatedQ.append(a);
115 }
117 public void validate(Worker a) {
118 validateQ.append(a);
119 }
121 /** Called when the Enter phase starts. */
122 public void enterStart() {
123 enterCount++;
124 }
126 /** Called after the Enter phase completes. */
127 public void enterDone() {
128 enterCount--;
129 flush();
130 }
132 public void flush() {
133 if (enterCount != 0) return;
134 enterCount++;
135 try {
136 while (q.nonEmpty()) {
137 q.next().run();
138 }
139 while (typesQ.nonEmpty()) {
140 typesQ.next().run();
141 }
142 while (repeatedQ.nonEmpty()) {
143 repeatedQ.next().run();
144 }
145 while (afterRepeatedQ.nonEmpty()) {
146 afterRepeatedQ.next().run();
147 }
148 while (validateQ.nonEmpty()) {
149 validateQ.next().run();
150 }
151 } finally {
152 enterCount--;
153 }
154 }
156 /** A client that needs to run during {@link #flush()} registers an worker
157 * into one of the queues defined in this class. The queues are: {@link #earlier(Worker)},
158 * {@link #normal(Worker)}, {@link #typeAnnotation(Worker)}, {@link #repeated(Worker)},
159 * {@link #afterRepeated(Worker)}, {@link #validate(Worker)}.
160 * The {@link Worker#run()} method will called inside the {@link #flush()}
161 * call. Queues are empties in the abovementioned order.
162 */
163 public interface Worker {
164 void run();
165 String toString();
166 }
168 /**
169 * This context contains all the information needed to synthesize new
170 * annotations trees by the completer for repeating annotations.
171 */
172 public class AnnotateRepeatedContext<T extends Attribute.Compound> {
173 public final Env<AttrContext> env;
174 public final Map<Symbol.TypeSymbol, ListBuffer<T>> annotated;
175 public final Map<T, JCDiagnostic.DiagnosticPosition> pos;
176 public final Log log;
177 public final boolean isTypeCompound;
179 public AnnotateRepeatedContext(Env<AttrContext> env,
180 Map<Symbol.TypeSymbol, ListBuffer<T>> annotated,
181 Map<T, JCDiagnostic.DiagnosticPosition> pos,
182 Log log,
183 boolean isTypeCompound) {
184 Assert.checkNonNull(env);
185 Assert.checkNonNull(annotated);
186 Assert.checkNonNull(pos);
187 Assert.checkNonNull(log);
189 this.env = env;
190 this.annotated = annotated;
191 this.pos = pos;
192 this.log = log;
193 this.isTypeCompound = isTypeCompound;
194 }
196 /**
197 * Process a list of repeating annotations returning a new
198 * Attribute.Compound that is the attribute for the synthesized tree
199 * for the container.
200 *
201 * @param repeatingAnnotations a List of repeating annotations
202 * @return a new Attribute.Compound that is the container for the repeatingAnnotations
203 */
204 public T processRepeatedAnnotations(List<T> repeatingAnnotations, Symbol sym) {
205 return Annotate.this.processRepeatedAnnotations(repeatingAnnotations, this, sym);
206 }
208 /**
209 * Queue the Worker a on the repeating annotations queue of the
210 * Annotate instance this context belongs to.
211 *
212 * @param a the Worker to enqueue for repeating annotation annotating
213 */
214 public void annotateRepeated(Worker a) {
215 Annotate.this.repeated(a);
216 }
217 }
219 /* ********************************************************************
220 * Compute an attribute from its annotation.
221 *********************************************************************/
223 /** Process a single compound annotation, returning its
224 * Attribute. Used from MemberEnter for attaching the attributes
225 * to the annotated symbol.
226 */
227 Attribute.Compound enterAnnotation(JCAnnotation a,
228 Type expected,
229 Env<AttrContext> env) {
230 return enterAnnotation(a, expected, env, false);
231 }
233 Attribute.TypeCompound enterTypeAnnotation(JCAnnotation a,
234 Type expected,
235 Env<AttrContext> env) {
236 return (Attribute.TypeCompound) enterAnnotation(a, expected, env, true);
237 }
239 // boolean typeAnnotation determines whether the method returns
240 // a Compound (false) or TypeCompound (true).
241 Attribute.Compound enterAnnotation(JCAnnotation a,
242 Type expected,
243 Env<AttrContext> env,
244 boolean typeAnnotation) {
245 // The annotation might have had its type attributed (but not checked)
246 // by attr.attribAnnotationTypes during MemberEnter, in which case we do not
247 // need to do it again.
248 Type at = (a.annotationType.type != null ? a.annotationType.type
249 : attr.attribType(a.annotationType, env));
250 a.type = chk.checkType(a.annotationType.pos(), at, expected);
251 if (a.type.isErroneous()) {
252 if (typeAnnotation) {
253 return new Attribute.TypeCompound(a.type, List.<Pair<MethodSymbol,Attribute>>nil(),
254 new TypeAnnotationPosition());
255 } else {
256 return new Attribute.Compound(a.type, List.<Pair<MethodSymbol,Attribute>>nil());
257 }
258 }
259 if ((a.type.tsym.flags() & Flags.ANNOTATION) == 0) {
260 log.error(a.annotationType.pos(),
261 "not.annotation.type", a.type.toString());
262 if (typeAnnotation) {
263 return new Attribute.TypeCompound(a.type, List.<Pair<MethodSymbol,Attribute>>nil(), null);
264 } else {
265 return new Attribute.Compound(a.type, List.<Pair<MethodSymbol,Attribute>>nil());
266 }
267 }
268 List<JCExpression> args = a.args;
269 if (args.length() == 1 && !args.head.hasTag(ASSIGN)) {
270 // special case: elided "value=" assumed
271 args.head = make.at(args.head.pos).
272 Assign(make.Ident(names.value), args.head);
273 }
274 ListBuffer<Pair<MethodSymbol,Attribute>> buf =
275 new ListBuffer<Pair<MethodSymbol,Attribute>>();
276 for (List<JCExpression> tl = args; tl.nonEmpty(); tl = tl.tail) {
277 JCExpression t = tl.head;
278 if (!t.hasTag(ASSIGN)) {
279 log.error(t.pos(), "annotation.value.must.be.name.value");
280 continue;
281 }
282 JCAssign assign = (JCAssign)t;
283 if (!assign.lhs.hasTag(IDENT)) {
284 log.error(t.pos(), "annotation.value.must.be.name.value");
285 continue;
286 }
287 JCIdent left = (JCIdent)assign.lhs;
288 Symbol method = rs.resolveQualifiedMethod(assign.rhs.pos(),
289 env,
290 a.type,
291 left.name,
292 List.<Type>nil(),
293 null);
294 left.sym = method;
295 left.type = method.type;
296 if (method.owner != a.type.tsym)
297 log.error(left.pos(), "no.annotation.member", left.name, a.type);
298 Type result = method.type.getReturnType();
299 Attribute value = enterAttributeValue(result, assign.rhs, env);
300 if (!method.type.isErroneous())
301 buf.append(new Pair<MethodSymbol,Attribute>
302 ((MethodSymbol)method, value));
303 t.type = result;
304 }
305 if (typeAnnotation) {
306 if (a.attribute == null || !(a.attribute instanceof Attribute.TypeCompound)) {
307 // Create a new TypeCompound
308 Attribute.TypeCompound tc = new Attribute.TypeCompound(a.type, buf.toList(), new TypeAnnotationPosition());
309 a.attribute = tc;
310 return tc;
311 } else {
312 // Use an existing TypeCompound
313 return a.attribute;
314 }
315 } else {
316 Attribute.Compound ac = new Attribute.Compound(a.type, buf.toList());
317 a.attribute = ac;
318 return ac;
319 }
320 }
322 Attribute enterAttributeValue(Type expected,
323 JCExpression tree,
324 Env<AttrContext> env) {
325 //first, try completing the attribution value sym - if a completion
326 //error is thrown, we should recover gracefully, and display an
327 //ordinary resolution diagnostic.
328 try {
329 expected.tsym.complete();
330 } catch(CompletionFailure e) {
331 log.error(tree.pos(), "cant.resolve", Kinds.kindName(e.sym), e.sym);
332 expected = syms.errType;
333 }
334 if (expected.hasTag(ARRAY)) {
335 if (!tree.hasTag(NEWARRAY)) {
336 tree = make.at(tree.pos).
337 NewArray(null, List.<JCExpression>nil(), List.of(tree));
338 }
339 JCNewArray na = (JCNewArray)tree;
340 if (na.elemtype != null) {
341 log.error(na.elemtype.pos(), "new.not.allowed.in.annotation");
342 }
343 ListBuffer<Attribute> buf = new ListBuffer<Attribute>();
344 for (List<JCExpression> l = na.elems; l.nonEmpty(); l=l.tail) {
345 buf.append(enterAttributeValue(types.elemtype(expected),
346 l.head,
347 env));
348 }
349 na.type = expected;
350 return new Attribute.
351 Array(expected, buf.toArray(new Attribute[buf.length()]));
352 }
353 if (tree.hasTag(NEWARRAY)) { //error recovery
354 if (!expected.isErroneous())
355 log.error(tree.pos(), "annotation.value.not.allowable.type");
356 JCNewArray na = (JCNewArray)tree;
357 if (na.elemtype != null) {
358 log.error(na.elemtype.pos(), "new.not.allowed.in.annotation");
359 }
360 for (List<JCExpression> l = na.elems; l.nonEmpty(); l=l.tail) {
361 enterAttributeValue(syms.errType,
362 l.head,
363 env);
364 }
365 return new Attribute.Error(syms.errType);
366 }
367 if ((expected.tsym.flags() & Flags.ANNOTATION) != 0) {
368 if (tree.hasTag(ANNOTATION)) {
369 return enterAnnotation((JCAnnotation)tree, expected, env);
370 } else {
371 log.error(tree.pos(), "annotation.value.must.be.annotation");
372 expected = syms.errType;
373 }
374 }
375 if (tree.hasTag(ANNOTATION)) { //error recovery
376 if (!expected.isErroneous())
377 log.error(tree.pos(), "annotation.not.valid.for.type", expected);
378 enterAnnotation((JCAnnotation)tree, syms.errType, env);
379 return new Attribute.Error(((JCAnnotation)tree).annotationType.type);
380 }
381 if (expected.isPrimitive() || types.isSameType(expected, syms.stringType)) {
382 Type result = attr.attribExpr(tree, env, expected);
383 if (result.isErroneous())
384 return new Attribute.Error(result.getOriginalType());
385 if (result.constValue() == null) {
386 log.error(tree.pos(), "attribute.value.must.be.constant");
387 return new Attribute.Error(expected);
388 }
389 result = cfolder.coerce(result, expected);
390 return new Attribute.Constant(expected, result.constValue());
391 }
392 if (expected.tsym == syms.classType.tsym) {
393 Type result = attr.attribExpr(tree, env, expected);
394 if (result.isErroneous()) {
395 // Does it look like an unresolved class literal?
396 if (TreeInfo.name(tree) == names._class &&
397 ((JCFieldAccess) tree).selected.type.isErroneous()) {
398 Name n = (((JCFieldAccess) tree).selected).type.tsym.flatName();
399 return new Attribute.UnresolvedClass(expected,
400 types.createErrorType(n,
401 syms.unknownSymbol, syms.classType));
402 } else {
403 return new Attribute.Error(result.getOriginalType());
404 }
405 }
407 // Class literals look like field accesses of a field named class
408 // at the tree level
409 if (TreeInfo.name(tree) != names._class) {
410 log.error(tree.pos(), "annotation.value.must.be.class.literal");
411 return new Attribute.Error(syms.errType);
412 }
413 return new Attribute.Class(types,
414 (((JCFieldAccess) tree).selected).type);
415 }
416 if (expected.hasTag(CLASS) &&
417 (expected.tsym.flags() & Flags.ENUM) != 0) {
418 Type result = attr.attribExpr(tree, env, expected);
419 Symbol sym = TreeInfo.symbol(tree);
420 if (sym == null ||
421 TreeInfo.nonstaticSelect(tree) ||
422 sym.kind != Kinds.VAR ||
423 (sym.flags() & Flags.ENUM) == 0) {
424 log.error(tree.pos(), "enum.annotation.must.be.enum.constant");
425 return new Attribute.Error(result.getOriginalType());
426 }
427 VarSymbol enumerator = (VarSymbol) sym;
428 return new Attribute.Enum(expected, enumerator);
429 }
430 //error recovery:
431 if (!expected.isErroneous())
432 log.error(tree.pos(), "annotation.value.not.allowable.type");
433 return new Attribute.Error(attr.attribExpr(tree, env, expected));
434 }
436 /* *********************************
437 * Support for repeating annotations
438 ***********************************/
440 /* Process repeated annotations. This method returns the
441 * synthesized container annotation or null IFF all repeating
442 * annotation are invalid. This method reports errors/warnings.
443 */
444 private <T extends Attribute.Compound> T processRepeatedAnnotations(List<T> annotations,
445 AnnotateRepeatedContext<T> ctx,
446 Symbol on) {
447 T firstOccurrence = annotations.head;
448 List<Attribute> repeated = List.nil();
449 Type origAnnoType = null;
450 Type arrayOfOrigAnnoType = null;
451 Type targetContainerType = null;
452 MethodSymbol containerValueSymbol = null;
454 Assert.check(!annotations.isEmpty() &&
455 !annotations.tail.isEmpty()); // i.e. size() > 1
457 int count = 0;
458 for (List<T> al = annotations;
459 !al.isEmpty();
460 al = al.tail)
461 {
462 count++;
464 // There must be more than a single anno in the annotation list
465 Assert.check(count > 1 || !al.tail.isEmpty());
467 T currentAnno = al.head;
469 origAnnoType = currentAnno.type;
470 if (arrayOfOrigAnnoType == null) {
471 arrayOfOrigAnnoType = types.makeArrayType(origAnnoType);
472 }
474 // Only report errors if this isn't the first occurrence I.E. count > 1
475 boolean reportError = count > 1;
476 Type currentContainerType = getContainingType(currentAnno, ctx.pos.get(currentAnno), reportError);
477 if (currentContainerType == null) {
478 continue;
479 }
480 // Assert that the target Container is == for all repeated
481 // annos of the same annotation type, the types should
482 // come from the same Symbol, i.e. be '=='
483 Assert.check(targetContainerType == null || currentContainerType == targetContainerType);
484 targetContainerType = currentContainerType;
486 containerValueSymbol = validateContainer(targetContainerType, origAnnoType, ctx.pos.get(currentAnno));
488 if (containerValueSymbol == null) { // Check of CA type failed
489 // errors are already reported
490 continue;
491 }
493 repeated = repeated.prepend(currentAnno);
494 }
496 if (!repeated.isEmpty()) {
497 repeated = repeated.reverse();
498 TreeMaker m = make.at(ctx.pos.get(firstOccurrence));
499 Pair<MethodSymbol, Attribute> p =
500 new Pair<MethodSymbol, Attribute>(containerValueSymbol,
501 new Attribute.Array(arrayOfOrigAnnoType, repeated));
502 if (ctx.isTypeCompound) {
503 /* TODO: the following code would be cleaner:
504 Attribute.TypeCompound at = new Attribute.TypeCompound(targetContainerType, List.of(p),
505 ((Attribute.TypeCompound)annotations.head).position);
506 JCTypeAnnotation annoTree = m.TypeAnnotation(at);
507 at = enterTypeAnnotation(annoTree, targetContainerType, ctx.env);
508 */
509 // However, we directly construct the TypeCompound to keep the
510 // direct relation to the contained TypeCompounds.
511 Attribute.TypeCompound at = new Attribute.TypeCompound(targetContainerType, List.of(p),
512 ((Attribute.TypeCompound)annotations.head).position);
514 // TODO: annotation applicability checks from below?
516 at.setSynthesized(true);
518 @SuppressWarnings("unchecked")
519 T x = (T) at;
520 return x;
521 } else {
522 Attribute.Compound c = new Attribute.Compound(targetContainerType, List.of(p));
523 JCAnnotation annoTree = m.Annotation(c);
525 if (!chk.annotationApplicable(annoTree, on))
526 log.error(annoTree.pos(), "invalid.repeatable.annotation.incompatible.target", targetContainerType, origAnnoType);
528 if (!chk.validateAnnotationDeferErrors(annoTree))
529 log.error(annoTree.pos(), "duplicate.annotation.invalid.repeated", origAnnoType);
531 c = enterAnnotation(annoTree, targetContainerType, ctx.env);
532 c.setSynthesized(true);
534 @SuppressWarnings("unchecked")
535 T x = (T) c;
536 return x;
537 }
538 } else {
539 return null; // errors should have been reported elsewhere
540 }
541 }
543 /** Fetches the actual Type that should be the containing annotation. */
544 private Type getContainingType(Attribute.Compound currentAnno,
545 DiagnosticPosition pos,
546 boolean reportError)
547 {
548 Type origAnnoType = currentAnno.type;
549 TypeSymbol origAnnoDecl = origAnnoType.tsym;
551 // Fetch the Repeatable annotation from the current
552 // annotation's declaration, or null if it has none
553 Attribute.Compound ca = origAnnoDecl.attribute(syms.repeatableType.tsym);
554 if (ca == null) { // has no Repeatable annotation
555 if (reportError)
556 log.error(pos, "duplicate.annotation.missing.container", origAnnoType, syms.repeatableType);
557 return null;
558 }
560 return filterSame(extractContainingType(ca, pos, origAnnoDecl),
561 origAnnoType);
562 }
564 // returns null if t is same as 's', returns 't' otherwise
565 private Type filterSame(Type t, Type s) {
566 if (t == null || s == null) {
567 return t;
568 }
570 return types.isSameType(t, s) ? null : t;
571 }
573 /** Extract the actual Type to be used for a containing annotation. */
574 private Type extractContainingType(Attribute.Compound ca,
575 DiagnosticPosition pos,
576 TypeSymbol annoDecl)
577 {
578 // The next three checks check that the Repeatable annotation
579 // on the declaration of the annotation type that is repeating is
580 // valid.
582 // Repeatable must have at least one element
583 if (ca.values.isEmpty()) {
584 log.error(pos, "invalid.repeatable.annotation", annoDecl);
585 return null;
586 }
587 Pair<MethodSymbol,Attribute> p = ca.values.head;
588 Name name = p.fst.name;
589 if (name != names.value) { // should contain only one element, named "value"
590 log.error(pos, "invalid.repeatable.annotation", annoDecl);
591 return null;
592 }
593 if (!(p.snd instanceof Attribute.Class)) { // check that the value of "value" is an Attribute.Class
594 log.error(pos, "invalid.repeatable.annotation", annoDecl);
595 return null;
596 }
598 return ((Attribute.Class)p.snd).getValue();
599 }
601 /* Validate that the suggested targetContainerType Type is a valid
602 * container type for repeated instances of originalAnnoType
603 * annotations. Return null and report errors if this is not the
604 * case, return the MethodSymbol of the value element in
605 * targetContainerType if it is suitable (this is needed to
606 * synthesize the container). */
607 private MethodSymbol validateContainer(Type targetContainerType,
608 Type originalAnnoType,
609 DiagnosticPosition pos) {
610 MethodSymbol containerValueSymbol = null;
611 boolean fatalError = false;
613 // Validate that there is a (and only 1) value method
614 Scope scope = targetContainerType.tsym.members();
615 int nr_value_elems = 0;
616 boolean error = false;
617 for(Symbol elm : scope.getElementsByName(names.value)) {
618 nr_value_elems++;
620 if (nr_value_elems == 1 &&
621 elm.kind == Kinds.MTH) {
622 containerValueSymbol = (MethodSymbol)elm;
623 } else {
624 error = true;
625 }
626 }
627 if (error) {
628 log.error(pos,
629 "invalid.repeatable.annotation.multiple.values",
630 targetContainerType,
631 nr_value_elems);
632 return null;
633 } else if (nr_value_elems == 0) {
634 log.error(pos,
635 "invalid.repeatable.annotation.no.value",
636 targetContainerType);
637 return null;
638 }
640 // validate that the 'value' element is a method
641 // probably "impossible" to fail this
642 if (containerValueSymbol.kind != Kinds.MTH) {
643 log.error(pos,
644 "invalid.repeatable.annotation.invalid.value",
645 targetContainerType);
646 fatalError = true;
647 }
649 // validate that the 'value' element has the correct return type
650 // i.e. array of original anno
651 Type valueRetType = containerValueSymbol.type.getReturnType();
652 Type expectedType = types.makeArrayType(originalAnnoType);
653 if (!(types.isArray(valueRetType) &&
654 types.isSameType(expectedType, valueRetType))) {
655 log.error(pos,
656 "invalid.repeatable.annotation.value.return",
657 targetContainerType,
658 valueRetType,
659 expectedType);
660 fatalError = true;
661 }
662 if (error) {
663 fatalError = true;
664 }
666 // The conditions for a valid containing annotation are made
667 // in Check.validateRepeatedAnnotaton();
669 return fatalError ? null : containerValueSymbol;
670 }
671 }
