plugins/kotlin/gradle/gradle-tooling/src/org/jetbrains/kotlin/idea/gradleTooling/modelBuilderUtils.kt


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// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
package org.jetbrains.kotlin.idea.gradleTooling

import org.gradle.api.Named
import org.gradle.api.NamedDomainObjectContainer
import org.gradle.api.Project
import org.gradle.api.Task

private val kotlinSingleTargetExtensionClassNames = listOf(
    "org.jetbrains.kotlin.gradle.dsl.KotlinAndroidProjectExtension_Decorated",
    "org.jetbrains.kotlin.gradle.dsl.KotlinJsProjectExtension_Decorated",
    "org.jetbrains.kotlin.gradle.dsl.KotlinCommonProjectExtension_Decorated",
    "org.jetbrains.kotlin.gradle.dsl.KotlinJvmProjectExtension_Decorated",
    "org.jetbrains.kotlin.gradle.dsl.Kotlin2JsProjectExtension_Decorated",
)

operator fun Any?.get(methodName: String, vararg params: Any): Any? {
    return this[methodName, params.map { it.javaClass }, params.toList()]
}

operator fun Any?.get(methodName: String, paramTypes: List<Class<*>>, params: List<Any?>): Any? {
    if (this == null) return null
    return this::class.java.getMethodOrNull(methodName, *paramTypes.toTypedArray())?.invoke(this, *params.toTypedArray())
}

fun Project.getTarget(): Named? = project.extensions.findByName("kotlin")?.let { kotlinExt ->
    if (kotlinExt.javaClass.name in kotlinSingleTargetExtensionClassNames) kotlinExt["getTarget"] as? Named
    else null
}

fun Project.getTargets(): Collection<Named>? = project.extensions.findByName("kotlin")?.let { kotlinExt ->
    @Suppress("UNCHECKED_CAST")
    (kotlinExt["getTargets"] as? NamedDomainObjectContainer<Named>)?.asMap?.values
}

@Suppress("UNCHECKED_CAST")
val Named.compilations: Collection<Named>?
    get() = (this["getCompilations"] as? NamedDomainObjectContainer<Named>)?.asMap?.values

fun Named.getCompileKotlinTaskName(project: Project): Task? = (this["getCompileKotlinTaskName"] as? String)?.let { project.tasks.findByName(it) }