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/*
* Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.gradle.plugin.mpp
import org.gradle.api.Project
import org.gradle.api.attributes.*
import org.gradle.api.attributes.Usage.*
import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
import org.jetbrains.kotlin.gradle.dsl.kotlinExtension
import org.jetbrains.kotlin.gradle.plugin.KotlinPlatformType
import org.jetbrains.kotlin.gradle.plugin.KotlinPlatformType.*
import org.jetbrains.kotlin.gradle.plugin.KotlinTarget
import org.jetbrains.kotlin.gradle.plugin.usageByName
import org.jetbrains.kotlin.gradle.targets.metadata.isCompatibilityMetadataVariantEnabled
object KotlinUsages {
const val KOTLIN_API = "kotlin-api"
const val KOTLIN_RUNTIME = "kotlin-runtime"
const val KOTLIN_METADATA = "kotlin-metadata"
/**
* Platform CInterop usage:
* These are CInterop files that represent executable .klibs for a given konan target
* ! NOTE !: This usage is compatible with [KOTLIN_API], [JAVA_API] and [JAVA_RUNTIME]
*/
const val KOTLIN_CINTEROP = "kotlin-cinterop"
/**
* Commonized CInterop usage:
* This CInterops are produced by the commonizer.
* ! Note !: This usage is intended only for project to project dependencies.
* Unlike [KOTLIN_CINTEROP] this usage is not marked compatible with [KOTLIN_API], [JAVA_API] or [JAVA_RUNTIME]
*/
const val KOTLIN_COMMONIZED_CINTEROP = "kotlin-commonized-cinterop"
const val KOTLIN_SOURCES = "kotlin-sources"
// Following two constants were removed in Gradle 8.0 from 'Usages' class
private const val JAVA_RUNTIME_CLASSES = "java-runtime-classes"
private const val JAVA_RUNTIME_RESOURCES = "java-runtime-resources"
val values = setOf(KOTLIN_API, KOTLIN_RUNTIME)
private val jvmPlatformTypes: Set = setOf(jvm, androidJvm)
internal fun consumerApiUsage(project: Project, platformType: KotlinPlatformType) = project.usageByName(
when {
platformType in jvmPlatformTypes -> JAVA_API
platformType == common
/** The kotlinExtension check below can be removed when legacy [KotlinPlatformCommonPlugin] is also removed. */
&& project.kotlinExtension is KotlinMultiplatformExtension
&& !project.isCompatibilityMetadataVariantEnabled -> KOTLIN_METADATA
else -> KOTLIN_API
}
)
internal fun consumerApiUsage(target: KotlinTarget): Usage =
consumerApiUsage(target.project, target.platformType)
internal fun consumerRuntimeUsage(project: Project, platformType: KotlinPlatformType) = project.usageByName(
when (platformType) {
in jvmPlatformTypes -> JAVA_RUNTIME
else -> KOTLIN_RUNTIME
}
)
internal fun consumerRuntimeUsage(target: KotlinTarget) = consumerRuntimeUsage(target.project, target.platformType)
internal fun producerApiUsage(project: Project, platformType: KotlinPlatformType) = project.usageByName(
when (platformType) {
in jvmPlatformTypes -> "java-api-jars"
else -> KOTLIN_API
}
)
internal fun producerApiUsage(target: KotlinTarget) = producerApiUsage(target.project, target.platformType)
internal fun producerRuntimeUsage(project: Project, platformType: KotlinPlatformType) = project.usageByName(
when (platformType) {
// This attribute is deprecated in Gradle and additionally to Usage attribute
// it implicitly adds `org.gradle.libraryelements=jar`
in jvmPlatformTypes -> "java-runtime-jars"
else -> KOTLIN_RUNTIME
}
)
internal fun producerRuntimeUsage(target: KotlinTarget) = producerRuntimeUsage(target.project, target.platformType)
private class KotlinJavaRuntimeJarsCompatibility : AttributeCompatibilityRule {
// When Gradle resolves a plain old JAR dependency with no metadata attached, the Usage attribute of that dependency
// is 'java-runtime-jars'. This rule tells Gradle that Kotlin consumers can consume plain old JARs:
override fun execute(details: CompatibilityCheckDetails) = with(details) {
when {
consumerValue?.name == KOTLIN_API && producerValue?.name.let { it == JAVA_API || it == "java-api-jars" } ->
compatible()
consumerValue?.name in values && producerValue?.name.let { it == JAVA_RUNTIME || it == "java-runtime-jars" } ->
compatible()
}
}
}
private val javaUsagesForKotlinMetadataConsumers = listOf("java-api-jars", JAVA_API, "java-runtime-jars", JAVA_RUNTIME)
private class KotlinMetadataCompatibility : AttributeCompatibilityRule {
override fun execute(details: CompatibilityCheckDetails) = with(details) {
// ensure that a consumer that requests 'kotlin-metadata' can also consumer 'kotlin-api' artifacts or the
// 'java-*' ones (these are how Gradle represents a module that is published with no Gradle module metadata)
if (
consumerValue?.name == KOTLIN_METADATA &&
(producerValue?.name == KOTLIN_API || producerValue?.name in javaUsagesForKotlinMetadataConsumers)
) {
compatible()
}
}
}
private class KotlinCinteropCompatibility : AttributeCompatibilityRule {
private val compatibleProducerValues = setOf(KOTLIN_API, JAVA_API, JAVA_RUNTIME)
override fun execute(details: CompatibilityCheckDetails) = with(details) {
if (consumerValue?.name == KOTLIN_CINTEROP && producerValue?.name in compatibleProducerValues) {
compatible()
}
}
}
private class KotlinCinteropDisambiguation : AttributeDisambiguationRule {
override fun execute(details: MultipleCandidatesDetails) = details.run {
if (consumerValue?.name == KOTLIN_CINTEROP) {
val candidateNames = candidateValues.map { it?.name }
when {
KOTLIN_CINTEROP in candidateNames -> chooseCandidateByName(KOTLIN_CINTEROP)
KOTLIN_API in candidateNames -> chooseCandidateByName(KOTLIN_API)
JAVA_API in candidateNames -> chooseCandidateByName(JAVA_API)
else -> Unit
}
}
}
}
private class KotlinMetadataDisambiguation : AttributeDisambiguationRule {
override fun execute(details: MultipleCandidatesDetails) = details.run {
if (consumerValue?.name == KOTLIN_METADATA) {
// Prefer Kotlin metadata, but if there's no such variant then accept 'kotlin-api' or the Java usages
// (see the compatibility rule):
val acceptedProducerValues = listOf(KOTLIN_METADATA, KOTLIN_API, *javaUsagesForKotlinMetadataConsumers.toTypedArray())
val candidatesMap = candidateValues.associateBy { it.name }
acceptedProducerValues.firstOrNull { it in candidatesMap }?.let { closestMatch(candidatesMap.getValue(it)) }
}
}
}
private class KotlinUsagesDisambiguation : AttributeDisambiguationRule {
override fun execute(details: MultipleCandidatesDetails) = with(details) {
val candidateNames = candidateValues.map { it?.name }.toSet()
// if both API and runtime artifacts are chosen according to the compatibility rules, then
// the consumer requested nothing specific, so provide them with the runtime variant, which is more complete:
if (candidateNames.filterNotNull().toSet() == setOf(KOTLIN_RUNTIME, KOTLIN_API)) {
chooseCandidateByName(KOTLIN_RUNTIME)
}
val javaApiUsages = setOf(JAVA_API, "java-api-jars")
val javaRuntimeUsages = setOf("java-runtime-jars", JAVA_RUNTIME)
if (javaApiUsages.any { it in candidateNames } &&
javaRuntimeUsages.any { it in candidateNames } &&
values.none { it in candidateNames }
) {
when (consumerValue?.name) {
KOTLIN_API, in javaApiUsages ->
chooseCandidateByName(javaApiUsages.first { it in candidateNames })
null, KOTLIN_RUNTIME, in javaRuntimeUsages ->
chooseCandidateByName(javaRuntimeUsages.first { it in candidateNames })
}
}
if (JAVA_RUNTIME_CLASSES in candidateNames && JAVA_RUNTIME_RESOURCES in candidateNames && KOTLIN_RUNTIME in candidateNames) {
chooseCandidateByName(KOTLIN_RUNTIME)
}
}
}
private fun MultipleCandidatesDetails.chooseCandidateByName(name: String?): Unit {
closestMatch(candidateValues.single { it?.name == name }!!)
}
internal fun setupAttributesMatchingStrategy(attributesSchema: AttributesSchema, isKotlinGranularMetadata: Boolean) {
attributesSchema.attribute(USAGE_ATTRIBUTE) { strategy ->
strategy.compatibilityRules.add(KotlinJavaRuntimeJarsCompatibility::class.java)
strategy.disambiguationRules.add(KotlinUsagesDisambiguation::class.java)
strategy.compatibilityRules.add(KotlinCinteropCompatibility::class.java)
strategy.disambiguationRules.add(KotlinCinteropDisambiguation::class.java)
if (isKotlinGranularMetadata) {
strategy.compatibilityRules.add(KotlinMetadataCompatibility::class.java)
strategy.disambiguationRules.add(KotlinMetadataDisambiguation::class.java)
}
}
}
}
