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org.jetbrains.kotlin.load.java.components.JavaAnnotationMapper.kt Maven / Gradle / Ivy
/*
* 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 org.jetbrains.kotlin.load.java.components
import org.jetbrains.kotlin.builtins.KotlinBuiltIns
import org.jetbrains.kotlin.descriptors.ClassDescriptor
import org.jetbrains.kotlin.descriptors.SourceElement
import org.jetbrains.kotlin.descriptors.ValueParameterDescriptor
import org.jetbrains.kotlin.descriptors.annotations.AnnotationDescriptor
import org.jetbrains.kotlin.descriptors.annotations.KotlinRetention
import org.jetbrains.kotlin.descriptors.annotations.KotlinTarget
import org.jetbrains.kotlin.load.java.lazy.LazyJavaResolverContext
import org.jetbrains.kotlin.load.java.lazy.descriptors.LazyJavaAnnotationDescriptor
import org.jetbrains.kotlin.load.java.structure.*
import org.jetbrains.kotlin.name.ClassId
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.resolve.constants.ArrayValue
import org.jetbrains.kotlin.resolve.constants.ConstantValue
import org.jetbrains.kotlin.resolve.constants.ConstantValueFactory
import org.jetbrains.kotlin.resolve.constants.EnumValue
import org.jetbrains.kotlin.types.ErrorUtils
import java.lang.annotation.Documented
import java.lang.annotation.Retention
import java.lang.annotation.Target
import java.util.*
object JavaAnnotationMapper {
private val JAVA_TARGET_FQ_NAME = FqName(Target::class.java.canonicalName)
private val JAVA_RETENTION_FQ_NAME = FqName(Retention::class.java.canonicalName)
private val JAVA_DEPRECATED_FQ_NAME = FqName(java.lang.Deprecated::class.java.canonicalName)
private val JAVA_DOCUMENTED_FQ_NAME = FqName(Documented::class.java.canonicalName)
// Java8-specific thing
private val JAVA_REPEATABLE_FQ_NAME = FqName("java.lang.annotation.Repeatable")
internal val DEPRECATED_ANNOTATION_MESSAGE = Name.identifier("message")
internal val TARGET_ANNOTATION_ALLOWED_TARGETS = Name.identifier("allowedTargets")
fun mapOrResolveJavaAnnotation(annotation: JavaAnnotation, c: LazyJavaResolverContext): AnnotationDescriptor? =
when (annotation.classId) {
ClassId.topLevel(JAVA_TARGET_FQ_NAME) -> JavaTargetAnnotationDescriptor(annotation, c)
ClassId.topLevel(JAVA_RETENTION_FQ_NAME) -> JavaRetentionAnnotationDescriptor(annotation, c)
ClassId.topLevel(JAVA_REPEATABLE_FQ_NAME) -> JavaAnnotationDescriptor(c, annotation, c.module.builtIns.repeatableAnnotation)
ClassId.topLevel(JAVA_DOCUMENTED_FQ_NAME) -> JavaAnnotationDescriptor(c, annotation, c.module.builtIns.mustBeDocumentedAnnotation)
ClassId.topLevel(JAVA_DEPRECATED_FQ_NAME) -> null
else -> LazyJavaAnnotationDescriptor(c, annotation)
}
fun findMappedJavaAnnotation(kotlinName: FqName,
annotationOwner: JavaAnnotationOwner,
c: LazyJavaResolverContext
): AnnotationDescriptor? {
if (kotlinName == KotlinBuiltIns.FQ_NAMES.deprecated) {
val javaAnnotation = annotationOwner.findAnnotation(JAVA_DEPRECATED_FQ_NAME)
if (javaAnnotation != null || annotationOwner.isDeprecatedInJavaDoc) {
return JavaDeprecatedAnnotationDescriptor(javaAnnotation, c)
}
}
return kotlinToJavaNameMap[kotlinName]?.let {
annotationOwner.findAnnotation(it)?.let {
mapOrResolveJavaAnnotation(it, c)
}
}
}
// kotlin.annotation.annotation is treated separately
private val kotlinToJavaNameMap: Map =
mapOf(KotlinBuiltIns.FQ_NAMES.target to JAVA_TARGET_FQ_NAME,
KotlinBuiltIns.FQ_NAMES.retention to JAVA_RETENTION_FQ_NAME,
KotlinBuiltIns.FQ_NAMES.repeatable to JAVA_REPEATABLE_FQ_NAME,
KotlinBuiltIns.FQ_NAMES.mustBeDocumented to JAVA_DOCUMENTED_FQ_NAME)
val javaToKotlinNameMap: Map =
mapOf(JAVA_TARGET_FQ_NAME to KotlinBuiltIns.FQ_NAMES.target,
JAVA_RETENTION_FQ_NAME to KotlinBuiltIns.FQ_NAMES.retention,
JAVA_DEPRECATED_FQ_NAME to KotlinBuiltIns.FQ_NAMES.deprecated,
JAVA_REPEATABLE_FQ_NAME to KotlinBuiltIns.FQ_NAMES.repeatable,
JAVA_DOCUMENTED_FQ_NAME to KotlinBuiltIns.FQ_NAMES.mustBeDocumented)
}
open class JavaAnnotationDescriptor(
c: LazyJavaResolverContext,
annotation: JavaAnnotation?,
private val kotlinAnnotationClassDescriptor: ClassDescriptor
): AnnotationDescriptor {
private val source = annotation?.let { c.components.sourceElementFactory.source(it) } ?: SourceElement.NO_SOURCE
override fun getType() = kotlinAnnotationClassDescriptor.defaultType
override fun getSource() = source
protected val valueParameters: List
get() = kotlinAnnotationClassDescriptor.constructors.single().valueParameters
protected val firstArgument: JavaAnnotationArgument? = annotation?.arguments?.firstOrNull()
override fun getAllValueArguments() = emptyMap?>()
}
class JavaDeprecatedAnnotationDescriptor(
annotation: JavaAnnotation?,
c: LazyJavaResolverContext
): JavaAnnotationDescriptor(c, annotation, c.module.builtIns.deprecatedAnnotation) {
private val valueArguments = c.storageManager.createLazyValue {
val parameterDescriptor = valueParameters.firstOrNull {
it.name == JavaAnnotationMapper.DEPRECATED_ANNOTATION_MESSAGE
}
parameterDescriptor?.let { mapOf(it to ConstantValueFactory(c.module.builtIns).createConstantValue("Deprecated in Java")) } ?: emptyMap()
}
override fun getAllValueArguments() = valueArguments()
}
class JavaTargetAnnotationDescriptor(
annotation: JavaAnnotation,
c: LazyJavaResolverContext
): JavaAnnotationDescriptor(c, annotation, c.module.builtIns.targetAnnotation) {
private val valueArguments = c.storageManager.createLazyValue {
val targetArgument = when (firstArgument) {
is JavaArrayAnnotationArgument -> JavaAnnotationTargetMapper.mapJavaTargetArguments(firstArgument.getElements(), c.module.builtIns)
is JavaEnumValueAnnotationArgument -> JavaAnnotationTargetMapper.mapJavaTargetArguments(listOf(firstArgument), c.module.builtIns)
else -> return@createLazyValue emptyMap>()
}
mapOf(valueParameters.single() to targetArgument)
}
override fun getAllValueArguments() = valueArguments()
}
class JavaRetentionAnnotationDescriptor(
annotation: JavaAnnotation,
c: LazyJavaResolverContext
): JavaAnnotationDescriptor(c, annotation, c.module.builtIns.retentionAnnotation) {
private val valueArguments = c.storageManager.createLazyValue {
val retentionArgument = when (firstArgument) {
is JavaEnumValueAnnotationArgument -> JavaAnnotationTargetMapper.mapJavaRetentionArgument(firstArgument, c.module.builtIns)
else -> return@createLazyValue emptyMap>()
}
mapOf(valueParameters.single() to retentionArgument)
}
override fun getAllValueArguments() = valueArguments()
}
object JavaAnnotationTargetMapper {
private val targetNameLists = mapOf("PACKAGE" to EnumSet.noneOf(KotlinTarget::class.java),
"TYPE" to EnumSet.of(KotlinTarget.CLASS, KotlinTarget.FILE),
"ANNOTATION_TYPE" to EnumSet.of(KotlinTarget.ANNOTATION_CLASS),
"TYPE_PARAMETER" to EnumSet.of(KotlinTarget.TYPE_PARAMETER),
"FIELD" to EnumSet.of(KotlinTarget.FIELD),
"LOCAL_VARIABLE" to EnumSet.of(KotlinTarget.LOCAL_VARIABLE),
"PARAMETER" to EnumSet.of(KotlinTarget.VALUE_PARAMETER),
"CONSTRUCTOR" to EnumSet.of(KotlinTarget.CONSTRUCTOR),
"METHOD" to EnumSet.of(KotlinTarget.FUNCTION,
KotlinTarget.PROPERTY_GETTER,
KotlinTarget.PROPERTY_SETTER),
"TYPE_USE" to EnumSet.of(KotlinTarget.TYPE)
)
fun mapJavaTargetArgumentByName(argumentName: String?): Set = targetNameLists[argumentName] ?: emptySet()
fun mapJavaTargetArguments(arguments: List, builtIns: KotlinBuiltIns): ConstantValue<*>? {
// Map arguments: java.lang.annotation.Target -> kotlin.annotation.Target
val kotlinTargets = arguments.filterIsInstance()
.flatMap { mapJavaTargetArgumentByName(it.resolve()?.name?.asString()) }
.mapNotNull { builtIns.getAnnotationTargetEnumEntry(it) }
.map(::EnumValue)
val parameterDescriptor = DescriptorResolverUtils.getAnnotationParameterByName(
JavaAnnotationMapper.TARGET_ANNOTATION_ALLOWED_TARGETS, builtIns.targetAnnotation
)
return ArrayValue(kotlinTargets, parameterDescriptor?.type ?: ErrorUtils.createErrorType("Error: AnnotationTarget[]"), builtIns)
}
private val retentionNameList = mapOf(
"RUNTIME" to KotlinRetention.RUNTIME,
"CLASS" to KotlinRetention.BINARY,
"SOURCE" to KotlinRetention.SOURCE
)
fun mapJavaRetentionArgument(element: JavaAnnotationArgument, builtIns: KotlinBuiltIns): ConstantValue<*>? {
// Map argument: java.lang.annotation.Retention -> kotlin.annotation.annotation
return (element as? JavaEnumValueAnnotationArgument)?.let {
retentionNameList[it.resolve()?.name?.asString()]?.let {
(builtIns.getAnnotationRetentionEnumEntry(it) as? ClassDescriptor)?.let(::EnumValue)
}
}
}
}
