org.jetbrains.kotlin.gradle.targets.metadata.KotlinMetadataTargetPreset.kt Maven / Gradle / Ivy

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Kotlin Gradle Plugin
There is a newer version: 2.1.0-Beta1
/*
 * 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.
 */

@file:Suppress("PackageDirectoryMismatch") // Old package for compatibility
package org.jetbrains.kotlin.gradle.plugin.mpp

import org.gradle.api.Project
import org.jetbrains.kotlin.gradle.dsl.kotlinExtension
import org.jetbrains.kotlin.gradle.plugin.*
import org.jetbrains.kotlin.gradle.plugin.sources.applyLanguageSettingsToCompilerOptions
import org.jetbrains.kotlin.gradle.targets.metadata.KotlinMetadataTargetConfigurator

class KotlinMetadataTargetPreset(
    project: Project
) : KotlinOnlyTargetPreset>(project) {
    override fun getName(): String = PRESET_NAME

    override fun createCompilationFactory(
        forTarget: KotlinMetadataTarget
    ): KotlinCompilationFactory> =
        object : KotlinCompilationFactory> {
            override val target: KotlinTarget = forTarget

            override val itemClass: Class>
                get() = KotlinCompilation::class.java

            override fun create(name: String): InternalKotlinCompilation<*> = when (name) {
                KotlinCompilation.MAIN_COMPILATION_NAME -> KotlinCommonCompilationFactory(
                    forTarget, getOrCreateDefaultSourceSet(name)
                ).create(name)

                else -> error("Can't create custom metadata compilations by name")
            }
        }

    override val platformType: KotlinPlatformType
        get() = KotlinPlatformType.common

    companion object {
        const val PRESET_NAME = "metadata"
    }

    override fun createKotlinTargetConfigurator(): AbstractKotlinTargetConfigurator =
        KotlinMetadataTargetConfigurator()

    override fun instantiateTarget(name: String): KotlinMetadataTarget {
        return project.objects.newInstance(KotlinMetadataTarget::class.java, project)
    }

    override fun createTarget(name: String): KotlinMetadataTarget =
        super.createTarget(name).apply {
            val mainCompilation = compilations.getByName(KotlinCompilation.MAIN_COMPILATION_NAME)
            val commonMainSourceSet = project.kotlinExtension.sourceSets.getByName(KotlinSourceSet.COMMON_MAIN_SOURCE_SET_NAME)

            @Suppress("DEPRECATION")
            mainCompilation.source(commonMainSourceSet)

            project.whenEvaluated {
                // Since there's no default source set, apply language settings from commonMain:
                mainCompilation.compileTaskProvider.configure { compileKotlinMetadata ->
                    applyLanguageSettingsToCompilerOptions(commonMainSourceSet.languageSettings, compileKotlinMetadata.compilerOptions)
                }
            }
        }
}