kotlin.reflect.jvm.internal.impl.load.java.JavaDescriptorVisibilities Maven / Gradle / Ivy
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Kotlin Full Reflection Library
/*
* Copyright 2010-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package kotlin.reflect.jvm.internal.impl.load.java;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import kotlin.reflect.jvm.internal.impl.descriptors.*;
import kotlin.reflect.jvm.internal.impl.descriptors.java.JavaVisibilities;
import kotlin.reflect.jvm.internal.impl.resolve.DescriptorUtils;
import kotlin.reflect.jvm.internal.impl.resolve.scopes.receivers.ReceiverValue;
import java.util.HashMap;
import java.util.Map;
public class JavaDescriptorVisibilities {
private JavaDescriptorVisibilities() {
}
@NotNull
public static final DescriptorVisibility PACKAGE_VISIBILITY = new DelegatedDescriptorVisibility(JavaVisibilities.PackageVisibility.INSTANCE) {
@Override
public boolean isVisible(@Nullable ReceiverValue receiver, @NotNull DeclarationDescriptorWithVisibility what, @NotNull DeclarationDescriptor from) {
return areInSamePackage(what, from);
}
};
@NotNull
public static final DescriptorVisibility PROTECTED_STATIC_VISIBILITY = new DelegatedDescriptorVisibility(JavaVisibilities.ProtectedStaticVisibility.INSTANCE) {
@Override
public boolean isVisible(@Nullable ReceiverValue receiver, @NotNull DeclarationDescriptorWithVisibility what, @NotNull DeclarationDescriptor from) {
return isVisibleForProtectedAndPackage(receiver, what, from);
}
};
@NotNull
public static final DescriptorVisibility PROTECTED_AND_PACKAGE = new DelegatedDescriptorVisibility(JavaVisibilities.ProtectedAndPackage.INSTANCE) {
@Override
public boolean isVisible(@Nullable ReceiverValue receiver, @NotNull DeclarationDescriptorWithVisibility what, @NotNull DeclarationDescriptor from) {
return isVisibleForProtectedAndPackage(receiver, what, from);
}
};
private static boolean isVisibleForProtectedAndPackage(
@Nullable ReceiverValue receiver,
@NotNull DeclarationDescriptorWithVisibility what,
@NotNull DeclarationDescriptor from
) {
if (areInSamePackage(DescriptorUtils.unwrapFakeOverrideToAnyDeclaration(what), from)) {
return true;
}
return DescriptorVisibilities.PROTECTED.isVisible(receiver, what, from);
}
private static boolean areInSamePackage(@NotNull DeclarationDescriptor first, @NotNull DeclarationDescriptor second) {
PackageFragmentDescriptor whatPackage = DescriptorUtils.getParentOfType(first, PackageFragmentDescriptor.class, false);
PackageFragmentDescriptor fromPackage = DescriptorUtils.getParentOfType(second, PackageFragmentDescriptor.class, false);
return fromPackage != null && whatPackage != null && whatPackage.getFqName().equals(fromPackage.getFqName());
}
@NotNull
private static final Map visibilitiesMapping = new HashMap();
private static void recordVisibilityMapping(DescriptorVisibility visibility) {
visibilitiesMapping.put(visibility.getDelegate(), visibility);
}
static {
recordVisibilityMapping(PACKAGE_VISIBILITY);
recordVisibilityMapping(PROTECTED_STATIC_VISIBILITY);
recordVisibilityMapping(PROTECTED_AND_PACKAGE);
}
@NotNull
public static DescriptorVisibility toDescriptorVisibility(@NotNull Visibility visibility) {
DescriptorVisibility correspondingVisibility = visibilitiesMapping.get(visibility);
if (correspondingVisibility == null) {
return DescriptorVisibilities.toDescriptorVisibility(visibility);
}
return correspondingVisibility;
}
}