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Simplify implementation of JvmField property in interface companion

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Move parts of the logic to the only places where they're needed:
checking for public/final/val is only needed in
JvmFieldApplicabilityChecker, checking the proto flag is only needed in
reflection, checking the JvmField annotation presence is only needed in
backend
This commit is contained in:
Alexander Udalov
2018-07-16 19:24:17 +02:00
parent 79c2aa4acf
commit 1e675bdc01
7 changed files with 64 additions and 70 deletions
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core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/JvmAbi.java
+14 -51
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@@ -7,23 +7,21 @@ package org.jetbrains.kotlin.load.java;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.kotlin.builtins.CompanionObjectMapping;
import org.jetbrains.kotlin.descriptors.*;
import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor;
import org.jetbrains.kotlin.descriptors.ClassDescriptor;
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor;
import org.jetbrains.kotlin.descriptors.PropertyDescriptor;
import org.jetbrains.kotlin.descriptors.annotations.AnnotationUseSiteTarget;
import org.jetbrains.kotlin.descriptors.annotations.AnnotationWithTarget;
import org.jetbrains.kotlin.metadata.ProtoBuf;
import org.jetbrains.kotlin.metadata.jvm.deserialization.JvmProtoBufUtil;
import org.jetbrains.kotlin.name.ClassId;
import org.jetbrains.kotlin.name.FqName;
import org.jetbrains.kotlin.name.Name;
import org.jetbrains.kotlin.resolve.scopes.DescriptorKindFilter;
import org.jetbrains.kotlin.resolve.scopes.MemberScope;
import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedPropertyDescriptor;
import org.jetbrains.kotlin.util.capitalizeDecapitalize.CapitalizeDecapitalizeKt;
import java.util.Collection;
import java.util.List;
import static org.jetbrains.kotlin.resolve.DescriptorUtils.*;
import static org.jetbrains.kotlin.resolve.DescriptorUtils.isClassOrEnumClass;
import static org.jetbrains.kotlin.resolve.DescriptorUtils.isCompanionObject;
public final class JvmAbi {
public static final String DEFAULT_IMPLS_CLASS_NAME = "DefaultImpls";
@@ -103,59 +101,24 @@ public final class JvmAbi {
}
public static boolean isPropertyWithBackingFieldInOuterClass(@NotNull PropertyDescriptor propertyDescriptor) {
return propertyDescriptor.getKind() != CallableMemberDescriptor.Kind.FAKE_OVERRIDE &&
(isCompanionObjectWithBackingFieldsInOuter(propertyDescriptor.getContainingDeclaration())
||
(isCompanionObject(propertyDescriptor.getContainingDeclaration()) &&
hasJvmFieldAnnotation(propertyDescriptor)));
if (propertyDescriptor.getKind() == CallableMemberDescriptor.Kind.FAKE_OVERRIDE) return false;
if (isClassCompanionObjectWithBackingFieldsInOuter(propertyDescriptor.getContainingDeclaration())) return true;
return isCompanionObject(propertyDescriptor.getContainingDeclaration()) && hasJvmFieldAnnotation(propertyDescriptor);
}
public static boolean isCompanionObjectWithBackingFieldsInOuter(@NotNull DeclarationDescriptor companionObject) {
public static boolean isClassCompanionObjectWithBackingFieldsInOuter(@NotNull DeclarationDescriptor companionObject) {
return isCompanionObject(companionObject) &&
(isClassOrEnumClass(companionObject.getContainingDeclaration()) ||
isInterfaceCompanionWithBackingFieldsInOuter(companionObject)) &&
isClassOrEnumClass(companionObject.getContainingDeclaration()) &&
!isMappedIntrinsicCompanionObject((ClassDescriptor) companionObject);
}
public static boolean isInterfaceCompanionWithBackingFieldsInOuter(@NotNull DeclarationDescriptor declarationDescriptor) {
DeclarationDescriptor interfaceClass = declarationDescriptor.getContainingDeclaration();
if (!isCompanionObject(declarationDescriptor) ||
(!isInterface(interfaceClass) && !isAnnotationClass(interfaceClass))) {
return false;
}
Collection<DeclarationDescriptor> descriptors = ((ClassDescriptor) declarationDescriptor).getUnsubstitutedMemberScope()
.getContributedDescriptors(DescriptorKindFilter.ALL, MemberScope.Companion.getALL_NAME_FILTER());
boolean hasJvmFieldAnnotation = false;
for (DeclarationDescriptor next : descriptors) {
if (!(next instanceof PropertyDescriptor)) continue;
PropertyDescriptor propertyDescriptor = (PropertyDescriptor) next;
if (propertyDescriptor.getVisibility() != Visibilities.PUBLIC ||
propertyDescriptor.isVar() ||
propertyDescriptor.getModality() != Modality.FINAL) {
return false;
}
if (!isMovedFromInterfaceCompanion(propertyDescriptor) && !hasJvmFieldAnnotation(propertyDescriptor)) return false;
hasJvmFieldAnnotation = true;
}
return hasJvmFieldAnnotation;
}
private static boolean isMovedFromInterfaceCompanion(@NotNull PropertyDescriptor propertyDescriptor) {
if (propertyDescriptor instanceof DeserializedPropertyDescriptor) {
ProtoBuf.Property proto = ((DeserializedPropertyDescriptor) propertyDescriptor).getProto();
return JvmProtoBufUtil.isMovedFromInterfaceCompanion(proto);
}
return false;
}
public static boolean isMappedIntrinsicCompanionObject(@NotNull ClassDescriptor companionObject) {
return CompanionObjectMapping.INSTANCE.isMappedIntrinsicCompanionObject(companionObject);
}
private static boolean hasJvmFieldAnnotation(@NotNull CallableMemberDescriptor memberDescriptor) {
public static boolean hasJvmFieldAnnotation(@NotNull CallableMemberDescriptor memberDescriptor) {
List<AnnotationWithTarget> annotations = memberDescriptor.getAnnotations().getUseSiteTargetedAnnotations();
for (AnnotationWithTarget annotationWithTarget : annotations) {
if (AnnotationUseSiteTarget.FIELD.equals(annotationWithTarget.getTarget()) &&