Ensure access to annotations and implemented interfaces after merging
Bug: 191248536
Change-Id: I322d2c2f3a69e20c4a0039a747094228d00c8658
diff --git a/src/main/java/com/android/tools/r8/ResourceShrinker.java b/src/main/java/com/android/tools/r8/ResourceShrinker.java
index 77abde6..fad1f4c 100644
--- a/src/main/java/com/android/tools/r8/ResourceShrinker.java
+++ b/src/main/java/com/android/tools/r8/ResourceShrinker.java
@@ -244,7 +244,7 @@
.flatMap(f -> f.annotations().stream());
Stream<DexAnnotation> methodAnnotations =
Streams.stream(classDef.methods())
- .filter(DexEncodedMethod::hasAnnotation)
+ .filter(DexEncodedMethod::hasAnyAnnotations)
.flatMap(m -> m.annotations().stream());
Streams.concat(classAnnotations, fieldAnnotations, methodAnnotations)
diff --git a/src/main/java/com/android/tools/r8/graph/DexDefinition.java b/src/main/java/com/android/tools/r8/graph/DexDefinition.java
index 8eeda6b..155abe7 100644
--- a/src/main/java/com/android/tools/r8/graph/DexDefinition.java
+++ b/src/main/java/com/android/tools/r8/graph/DexDefinition.java
@@ -25,6 +25,11 @@
return !annotations().isEmpty();
}
+ // Also returns true if a method has parameter annotations.
+ public boolean hasAnyAnnotations() {
+ return hasAnnotations();
+ }
+
public DexAnnotationSet annotations() {
return annotations;
}
diff --git a/src/main/java/com/android/tools/r8/graph/DexEncodedMethod.java b/src/main/java/com/android/tools/r8/graph/DexEncodedMethod.java
index 60c0ec6..986b709 100644
--- a/src/main/java/com/android/tools/r8/graph/DexEncodedMethod.java
+++ b/src/main/java/com/android/tools/r8/graph/DexEncodedMethod.java
@@ -890,6 +890,11 @@
return builder.toString();
}
+ @Override
+ public boolean hasAnyAnnotations() {
+ return hasAnnotations() || hasParameterAnnotations();
+ }
+
public ParameterAnnotationsList getParameterAnnotations() {
return parameterAnnotationsList;
}
@@ -898,6 +903,10 @@
parameterAnnotationsList = ParameterAnnotationsList.empty();
}
+ public boolean hasParameterAnnotations() {
+ return !getParameterAnnotations().isEmpty();
+ }
+
public String toSmaliString(ClassNameMapper naming) {
checkIfObsolete();
StringBuilder builder = new StringBuilder();
@@ -1458,11 +1467,6 @@
return this;
}
- public boolean hasAnnotation() {
- checkIfObsolete();
- return !annotations().isEmpty() || !parameterAnnotationsList.isEmpty();
- }
-
public static int slowCompare(DexEncodedMethod m1, DexEncodedMethod m2) {
return m1.getReference().compareTo(m2.getReference());
}
diff --git a/src/main/java/com/android/tools/r8/graph/MethodCollection.java b/src/main/java/com/android/tools/r8/graph/MethodCollection.java
index 35e0541..d445f9f 100644
--- a/src/main/java/com/android/tools/r8/graph/MethodCollection.java
+++ b/src/main/java/com/android/tools/r8/graph/MethodCollection.java
@@ -321,7 +321,7 @@
public boolean hasAnnotations() {
return traverse(
method ->
- method.hasAnnotation()
+ method.hasAnyAnnotations()
? TraversalContinuation.BREAK
: TraversalContinuation.CONTINUE)
.shouldBreak();
diff --git a/src/main/java/com/android/tools/r8/horizontalclassmerging/policies/RespectPackageBoundaries.java b/src/main/java/com/android/tools/r8/horizontalclassmerging/policies/RespectPackageBoundaries.java
index 8f59c36..6e9e19f 100644
--- a/src/main/java/com/android/tools/r8/horizontalclassmerging/policies/RespectPackageBoundaries.java
+++ b/src/main/java/com/android/tools/r8/horizontalclassmerging/policies/RespectPackageBoundaries.java
@@ -6,12 +6,16 @@
import com.android.tools.r8.graph.AppInfoWithClassHierarchy;
import com.android.tools.r8.graph.AppView;
+import com.android.tools.r8.graph.DexClass;
+import com.android.tools.r8.graph.DexDefinition;
import com.android.tools.r8.graph.DexEncodedMember;
import com.android.tools.r8.graph.DexProgramClass;
+import com.android.tools.r8.graph.DexType;
import com.android.tools.r8.horizontalclassmerging.MergeGroup;
import com.android.tools.r8.horizontalclassmerging.MultiClassPolicy;
import com.android.tools.r8.shaking.VerticalClassMerger.IllegalAccessDetector;
import com.android.tools.r8.utils.TraversalContinuation;
+import com.google.common.collect.Iterables;
import java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedHashMap;
@@ -31,6 +35,26 @@
return true;
}
+ // Annotations may access non-public items (or themselves be non-public), so for now we
+ // conservatively restrict class merging when annotations are present.
+ //
+ // Note that in non-compat mode we should never see any annotations here, since we only merge
+ // non-kept classes with non-kept members.
+ if (clazz.hasAnnotations()
+ || Iterables.any(clazz.members(), DexDefinition::hasAnyAnnotations)) {
+ return true;
+ }
+
+ // Check that each implemented interface is public.
+ for (DexType interfaceType : clazz.getInterfaces()) {
+ if (clazz.getType().isSamePackage(interfaceType)) {
+ DexClass interfaceClass = appView.definitionFor(interfaceType);
+ if (interfaceClass == null || !interfaceClass.isPublic()) {
+ return true;
+ }
+ }
+ }
+
// If any members are package private or protected, then their access depends on the package.
for (DexEncodedMember<?, ?> member : clazz.members()) {
if (member.getAccessFlags().isPackagePrivateOrProtected()) {
diff --git a/src/test/java/com/android/tools/r8/classmerging/horizontal/InterfacesVisibilityTest.java b/src/test/java/com/android/tools/r8/classmerging/horizontal/InterfacesVisibilityTest.java
index b5d7af1..b03e236 100644
--- a/src/test/java/com/android/tools/r8/classmerging/horizontal/InterfacesVisibilityTest.java
+++ b/src/test/java/com/android/tools/r8/classmerging/horizontal/InterfacesVisibilityTest.java
@@ -7,6 +7,7 @@
import static com.android.tools.r8.utils.codeinspector.Matchers.isImplementing;
import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.Assert.assertTrue;
import com.android.tools.r8.NeverClassInline;
import com.android.tools.r8.NeverInline;
@@ -14,6 +15,7 @@
import com.android.tools.r8.classmerging.horizontal.testclasses.InterfacesVisibilityTestClasses;
import com.android.tools.r8.classmerging.horizontal.testclasses.InterfacesVisibilityTestClasses.ImplementingPackagePrivateInterface;
import com.android.tools.r8.classmerging.horizontal.testclasses.InterfacesVisibilityTestClasses.Invoker;
+import com.android.tools.r8.utils.codeinspector.HorizontallyMergedClassesInspector;
import org.junit.Test;
public class InterfacesVisibilityTest extends HorizontalClassMergingTestBase {
@@ -26,31 +28,31 @@
String packagePrivateInterfaceName =
InterfacesVisibilityTestClasses.class.getTypeName() + "$PackagePrivateInterface";
testForR8(parameters.getBackend())
- .addInnerClasses(getClass())
- .addProgramClasses(ImplementingPackagePrivateInterface.class, Invoker.class)
- .addProgramClasses(Class.forName(packagePrivateInterfaceName))
+ .addInnerClasses(getClass(), InterfacesVisibilityTestClasses.class)
.addKeepMainRule(Main.class)
.enableInliningAnnotations()
.enableNeverClassInliningAnnotations()
.enableNoVerticalClassMergingAnnotations()
.enableNoHorizontalClassMergingAnnotations()
.setMinApi(parameters.getApiLevel())
- // TODO(b/191248536): These classes should not be merged.
.addHorizontallyMergedClassesInspector(
- inspector ->
- inspector.assertMergedInto(ImplementingPackagePrivateInterface.class, A.class))
+ HorizontallyMergedClassesInspector::assertNoClassesMerged)
.compile()
.inspect(
codeInspector -> {
+ // A is present and has no interfaces.
assertThat(codeInspector.clazz(A.class), isPresent());
- assertThat(codeInspector.clazz(packagePrivateInterfaceName), isPresent());
+ assertTrue(
+ codeInspector.clazz(A.class).getDexProgramClass().getInterfaces().isEmpty());
+
+ // ImplementingPackagePrivateInterface is present and implements
+ // PackagePrivateInterface.
assertThat(
- codeInspector.clazz(A.class),
+ codeInspector.clazz(ImplementingPackagePrivateInterface.class),
isImplementing(codeInspector.clazz(packagePrivateInterfaceName)));
})
.run(parameters.getRuntime(), Main.class)
- // TODO(b/191248536) Should be .assertSuccessWithOutputLines("foo", "bar");
- .assertFailure();
+ .assertSuccessWithOutputLines("foo", "bar");
}
@NeverClassInline
