Kts transition (#1951)

* Kotlin DSL - 'android:example-app' (#1940)
* 'android:example-app'. Gradle 5.6.1 - sync with root project
* Kotlin DSL - 'android:example-app'
* Kotlin DSL - 'android:animation-app' (#1941)
* 'android:animation-app'. Gradle 5.6.1 - sync with root project
* Kotlin DSL - 'android:animation-app'
* Kotlin DSL - 'swing' (#1943)
* Kotlin DSL - 'integration:jdk8' (#1944)
* Kotlin DSL - 'test' (#1945)
* Kotlin DSL - 'reactive:reactive' (#1946)
* Kotlin DSL - 'android-unit-tests'
* Use relative paths
* Kotlin DSL - 'js-stub' (#1938) (#1959)
* Kotlin DSL - 'android' (#1938) (#1956)
* Kotlin DSL - 'stdlib-stubs' (#1938) (#1955)
* Kotlin DSL - 'site' (#1938) (#1954)
* Kotlin DSL - 'maven-central' (#1938) (#1953)
* Kotlin DSL - 'benchmarks' (#1938) (#1952)

Co-authored-by: Victor Turansky <victor.turansky@gmail.com>

Author: qwwdfsad

benchmarks/build.gradle

@@ -0,0 +1,85 @@
+/*
+ * Copyright 2016-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+    id("net.ltgt.apt")
+    id("com.github.johnrengelman.shadow")
+    id("me.champeau.gradle.jmh")
+}
+
+repositories {
+    maven("https://repo.typesafe.com/typesafe/releases/")
+}
+
+tasks.withType<KotlinCompile>().configureEach {
+    kotlinOptions.jvmTarget = "1.8"
+}
+
+tasks.compileJmhKotlin {
+    kotlinOptions.freeCompilerArgs += "-Xjvm-default=enable"
+}
+
+/*
+ * Due to a bug in the inliner it sometimes does not remove inlined symbols (that are later renamed) from unused code paths,
+ * and it breaks JMH that tries to post-process these symbols and fails because they are renamed.
+ */
+val removeRedundantFiles = tasks.register<Delete>("removeRedundantFiles") {
+    delete("$buildDir/classes/kotlin/jmh/benchmarks/flow/scrabble/FlowPlaysScrabbleOpt\$play\$buildHistoOnScore\$1\$\$special\$\$inlined\$filter\$1\$1.class")
+    delete("$buildDir/classes/kotlin/jmh/benchmarks/flow/scrabble/FlowPlaysScrabbleOpt\$play\$nBlanks\$1\$\$special\$\$inlined\$map\$1\$1.class")
+    delete("$buildDir/classes/kotlin/jmh/benchmarks/flow/scrabble/FlowPlaysScrabbleOpt\$play\$score2\$1\$\$special\$\$inlined\$map\$1\$1.class")
+    delete("$buildDir/classes/kotlin/jmh/benchmarks/flow/scrabble/FlowPlaysScrabbleOpt\$play\$bonusForDoubleLetter\$1\$\$special\$\$inlined\$map\$1\$1.class")
+    delete("$buildDir/classes/kotlin/jmh/benchmarks/flow/scrabble/FlowPlaysScrabbleOpt\$play\$nBlanks\$1\$\$special\$\$inlined\$map\$1\$2\$1.class")
+    delete("$buildDir/classes/kotlin/jmh/benchmarks/flow/scrabble/FlowPlaysScrabbleOpt\$play\$bonusForDoubleLetter\$1\$\$special\$\$inlined\$map\$1\$2\$1.class")
+    delete("$buildDir/classes/kotlin/jmh/benchmarks/flow/scrabble/FlowPlaysScrabbleOpt\$play\$score2\$1\$\$special\$\$inlined\$map\$1\$2\$1.class")
+    delete("$buildDir/classes/kotlin/jmh/benchmarks/flow/scrabble/FlowPlaysScrabbleOptKt\$\$special\$\$inlined\$collect\$1\$1.class")
+    delete("$buildDir/classes/kotlin/jmh/benchmarks/flow/scrabble/FlowPlaysScrabbleOptKt\$\$special\$\$inlined\$collect\$2\$1.class")
+    delete("$buildDir/classes/kotlin/jmh/benchmarks/flow/scrabble/FlowPlaysScrabbleOpt\$play\$histoOfLetters\$1\$\$special\$\$inlined\$fold\$1\$1.class")
+    delete("$buildDir/classes/kotlin/jmh/benchmarks/flow/scrabble/FlowPlaysScrabbleBase\$play\$buildHistoOnScore\$1\$\$special\$\$inlined\$filter\$1\$1.class")
+    delete("$buildDir/classes/kotlin/jmh/benchmarks/flow/scrabble/FlowPlaysScrabbleBase\$play\$histoOfLetters\$1\$\$special\$\$inlined\$fold\$1\$1.class")
+    delete("$buildDir/classes/kotlin/jmh/benchmarks/flow/scrabble//SaneFlowPlaysScrabble\$play\$buildHistoOnScore\$1\$\$special\$\$inlined\$filter\$1\$1.class")
+
+    // Primes
+    delete("$buildDir/classes/kotlin/jmh/benchmarks/flow/misc/Numbers\$\$special\$\$inlined\$filter\$1\$2\$1.class")
+    delete("$buildDir/classes/kotlin/jmh/benchmarks/flow/misc/Numbers\$\$special\$\$inlined\$filter\$1\$1.class")
+}
+
+tasks.jmhRunBytecodeGenerator {
+    dependsOn(removeRedundantFiles)
+}
+
+// It is better to use the following to run benchmarks, otherwise you may get unexpected errors:
+// ./gradlew --no-daemon cleanJmhJar jmh -Pjmh="MyBenchmark"
+jmh {
+    jmhVersion = "1.21"
+    duplicateClassesStrategy = DuplicatesStrategy.INCLUDE
+    failOnError = true
+    resultFormat = "CSV"
+    project.findProperty("jmh")?.also {
+        include = listOf(".*$it.*")
+    }
+//    includeTests = false
+}
+
+tasks.jmhJar {
+    baseName = "benchmarks"
+    classifier = null
+    version = null
+    destinationDir = file("$rootDir")
+}
+
+dependencies {
+    compile("org.openjdk.jmh:jmh-core:1.21")
+    compile("io.projectreactor:reactor-core:${property("reactor_vesion")}")
+    compile("io.reactivex.rxjava2:rxjava:2.1.9")
+    compile("com.github.akarnokd:rxjava2-extensions:0.20.8")
+
+    compile("org.openjdk.jmh:jmh-core:1.21")
+    compile("com.typesafe.akka:akka-actor_2.12:2.5.0")
+    compile(project(":kotlinx-coroutines-core"))
+
+    // add jmh dependency on main
+    jmhImplementation(sourceSets.main.get().runtimeClasspath)
+}

benchmarks/build.gradle.kts

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2016-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+@file:Suppress("UnstableApiUsage")
+
+import org.gradle.api.Project
+import org.gradle.api.provider.Property
+import org.gradle.api.publish.maven.MavenPom
+
+// --------------- pom configuration ---------------
+
+fun MavenPom.configureMavenCentralMetadata(project: Project) {
+    name by project.name
+    description by "Coroutines support libraries for Kotlin"
+    url by "https://github.com/Kotlin/kotlinx.coroutines"
+
+    licenses {
+        license {
+            name by "The Apache Software License, Version 2.0"
+            url by "https://www.apache.org/licenses/LICENSE-2.0.txt"
+            distribution by "repo"
+        }
+    }
+
+    developers {
+        developer {
+            id by "JetBrains"
+            name by "JetBrains Team"
+            organization by "JetBrains"
+            organizationUrl by "https://www.jetbrains.com"
+        }
+    }
+
+    scm {
+        url by "https://github.com/Kotlin/kotlinx.coroutines"
+    }
+}
+
+private infix fun <T> Property<T>.by(value: T) {
+    set(value)
+}

buildSrc/src/main/kotlin/MavenCentral.kt

@@ -7,8 +7,6 @@
 apply plugin: 'maven'
 apply plugin: 'maven-publish'
 
-apply from: project.rootProject.file('gradle/maven-central.gradle')
-
 // ------------- tasks
 
 def isMultiplatform = project.name == "kotlinx-coroutines-core"
@@ -64,7 +62,7 @@ publishing {
     }
 
     publications.all {
-        pom.withXml(configureMavenCentralMetadata)
+        MavenCentralKt.configureMavenCentralMetadata(pom, project)
 
         // add empty javadocs (no need for MPP root publication which publishes only pom file)
         if (it.name != 'kotlinMultiplatform' && !isBom) {

gradle/maven-central.gradle

@@ -2,7 +2,9 @@
  * Copyright 2016-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
-compileKotlin {
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+tasks.named<KotlinCompile>("compileKotlin") {
     kotlinOptions {
         freeCompilerArgs += "-Xallow-kotlin-package"
     }

gradle/publish-bintray.gradle

@@ -0,0 +1,3 @@
+dependencies {
+    implementation(project(":kotlinx-coroutines-debug"))
+}