Accept any annotation with the simple name @Generated

to support non-standard annotations.

Fixes #1984, #1863

PiperOrigin-RevId: 352622403

check_api/src/main/java/com/google/errorprone/util/ASTHelpers.java

@@ -1359,30 +1359,23 @@ public static ImmutableSet<String> getGeneratedBy(VisitorState state) {
  }
 
  /**
- * Returns the values of the given symbol's {@code javax.annotation.Generated} or {@code
- * javax.annotation.processing.Generated} annotation, if present.
+ * Returns the values of the given symbol's {@code Generated} annotations, if present. If the
+ * annotation doesn't have {@code values} set, returns the string name of the annotation itself.
  */
  public static ImmutableSet<String> getGeneratedBy(Symbol symbol, VisitorState state) {
  checkNotNull(symbol);
- Optional<Compound> c =
- Stream.of("javax.annotation.Generated", "javax.annotation.processing.Generated")
- .map(state::getSymbolFromString)
- .filter(a -> a != null)
- .map(symbol::attribute)
- .filter(a -> a != null)
- .findFirst();
- if (!c.isPresent()) {
- return ImmutableSet.of();
- }
- Optional<Attribute> values =
- c.get().getElementValues().entrySet().stream()
- .filter(e -> e.getKey().getSimpleName().contentEquals("value"))
- .map(e -> e.getValue())
- .findAny();
- if (!values.isPresent()) {
- return ImmutableSet.of();
- }
- return MoreAnnotations.asStrings((AnnotationValue) values.get()).collect(toImmutableSet());
+ return symbol.getRawAttributes().stream()
+ .filter(attribute -> attribute.type.tsym.getSimpleName().contentEquals("Generated"))
+ .flatMap(ASTHelpers::generatedValues)
+ .collect(toImmutableSet());
+ }
+
+ private static Stream<String> generatedValues(Attribute.Compound attribute) {
+ return attribute.getElementValues().entrySet().stream()
+ .filter(e -> e.getKey().getSimpleName().contentEquals("value"))
+ .map(e -> MoreAnnotations.asStrings((AnnotationValue) e.getValue()))
+ .findAny()
+ .orElse(Stream.of(attribute.type.tsym.getQualifiedName().toString()));
  }
 
  public static boolean isSuper(Tree tree) {