org.jetbrains.kotlin.gradle.plugin.KotlinAndroidPlugin.kt Maven / Gradle / Ivy

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Kotlin Gradle Plugin
There is a newer version: 2.1.0-RC
/*
 * Copyright 2010-2022 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

import com.android.build.gradle.BaseExtension
import org.gradle.api.GradleException
import org.gradle.api.Plugin
import org.gradle.api.Project
import org.gradle.tooling.provider.model.ToolingModelBuilderRegistry
import org.jetbrains.kotlin.gradle.dsl.*
import org.jetbrains.kotlin.gradle.model.builder.KotlinModelBuilder
import org.jetbrains.kotlin.gradle.plugin.KotlinJvmPlugin.Companion.configureCompilerOptionsForTarget
import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinAndroidTarget
import org.jetbrains.kotlin.gradle.tasks.KotlinTasksProvider
import org.jetbrains.kotlin.gradle.utils.androidPluginIds
import org.jetbrains.kotlin.gradle.utils.whenEvaluated

internal open class KotlinAndroidPlugin(
    private val registry: ToolingModelBuilderRegistry
) : Plugin {

    override fun apply(project: Project) {
        project.dynamicallyApplyWhenAndroidPluginIsApplied(
            {
                project.objects.newInstance(
                    KotlinAndroidTarget::class.java,
                    "",
                    project,
                    false,
                ).also { target ->
                    val kotlinAndroidExtension = project.kotlinExtension as KotlinAndroidProjectExtension
                    kotlinAndroidExtension.targetFuture.complete(target)
                    project.configureCompilerOptionsForTarget(
                        kotlinAndroidExtension.compilerOptions,
                        target.compilerOptions
                    )
                    kotlinAndroidExtension.compilerOptions.noJdk.value(true).disallowChanges()

                    @Suppress("DEPRECATION") val kotlinOptions = object : KotlinJvmOptions {
                        override val options: KotlinJvmCompilerOptions
                            get() = kotlinAndroidExtension.compilerOptions
                    }
                    val ext = project.extensions.getByName("android") as BaseExtension
                    ext.addExtension(KOTLIN_OPTIONS_DSL_NAME, kotlinOptions)
                }
            }
        ) { androidTarget ->
            registry.register(KotlinModelBuilder(project.getKotlinPluginVersion(), androidTarget))
            project.whenEvaluated { project.components.addAll(androidTarget.components) }
        }
    }

    companion object {
        internal fun androidTargetHandler(): AndroidProjectHandler = AndroidProjectHandler(KotlinTasksProvider())

        internal fun Project.dynamicallyApplyWhenAndroidPluginIsApplied(
            kotlinAndroidTargetProvider: () -> KotlinAndroidTarget,
            additionalConfiguration: (KotlinAndroidTarget) -> Unit = {}
        ) {
            var wasConfigured = false

            androidPluginIds.forEach { pluginId ->
                plugins.withId(pluginId) {
                    wasConfigured = true
                    val target = kotlinAndroidTargetProvider()
                    androidTargetHandler().configureTarget(target)
                    additionalConfiguration(target)
                }
            }

            afterEvaluate {
                if (!wasConfigured) {
                    throw GradleException(
                        """
                        |'kotlin-android' plugin requires one of the Android Gradle plugins.
                        |Please apply one of the following plugins to '${project.path}' project:
                        |${androidPluginIds.joinToString(prefix = "- ", separator = "\n\t- ")}
                        """.trimMargin()
                    )
                }
            }
        }
    }
}