[JS_IR] Use new plugin to build Kotlin/JS stdlib with IR compiler

- Switch to building stdlib with bootstrap compiler since IR is stable
  enough
- Build stdlib with coreLibs by default
- Include JS IR stdlib to kotlin distribution

libraries/stdlib/js-ir/build.gradle.kts

@@ -1,49 +1,19 @@
-import com.moowork.gradle.node.npm.NpmTask
-import com.moowork.gradle.node.task.NodeTask
+import org.jetbrains.kotlin.gradle.dsl.KotlinCompile
+import org.jetbrains.kotlin.gradle.plugin.KotlinJsCompilerType.IR
 
 plugins {
-    base
-    id("com.github.node-gradle.node") version "2.2.0"
+    kotlin("multiplatform")
 }
 
-// A simple CLI for creating JS IR klibs.
-// Does not depend on backend lowerings and JS codegen.
-val jsIrKlibCli: Configuration by configurations.creating
-
-// Full JS IR compiler CLI
-val fullJsIrCli: Configuration by configurations.creating
-
-dependencies {
-    jsIrKlibCli(project(":compiler:cli-js-klib"))
-
-    fullJsIrCli(project(":compiler:cli-js"))
-    fullJsIrCli(project(":compiler:util"))
-    fullJsIrCli(project(":compiler:cli-common"))
-    fullJsIrCli(project(":compiler:cli"))
-    fullJsIrCli(project(":compiler:frontend"))
-    fullJsIrCli(project(":compiler:backend-common"))
-    fullJsIrCli(project(":compiler:backend"))
-    fullJsIrCli(project(":compiler:ir.backend.common"))
-    fullJsIrCli(project(":compiler:ir.serialization.js"))
-    fullJsIrCli(project(":compiler:backend.js"))
-    fullJsIrCli(project(":js:js.translator"))
-    fullJsIrCli(project(":js:js.serializer"))
-    fullJsIrCli(project(":js:js.dce"))
-    fullJsIrCli(project(":kotlin-reflect"))
-    fullJsIrCli(intellijCoreDep()) { includeJars("intellij-core") }
-    if (Platform[193].orLower()) {
-        fullJsIrCli(intellijDep()) {
-            includeJars("picocontainer", rootProject = rootProject)
-        }
-    }
-    fullJsIrCli(intellijDep()) {
-        includeJars("trove4j", "guava", "jdom", "asm-all", rootProject = rootProject)
+kotlin {
+    js(IR) {
+        nodejs()
     }
 }
 
 val unimplementedNativeBuiltIns =
-  (file("$rootDir/core/builtins/native/kotlin/").list().toSortedSet() - file("$rootDir/libraries/stdlib/js-ir/builtins/").list())
-    .map { "core/builtins/native/kotlin/$it" }
+    (file("$rootDir/core/builtins/native/kotlin/").list().toSortedSet() - file("$rootDir/libraries/stdlib/js-ir/builtins/").list())
+        .map { "core/builtins/native/kotlin/$it" }
 
 // Required to compile native builtins with the rest of runtime
 val builtInsHeader = """@file:Suppress(
@@ -55,13 +25,25 @@ val builtInsHeader = """@file:Suppress(
 )
 """
 
-val fullRuntimeSources by task<Sync> {
-
+val commonMainSources by task<Sync> {
     val sources = listOf(
-        "core/builtins/src/kotlin/",
         "libraries/stdlib/common/src/",
         "libraries/stdlib/src/kotlin/",
-        "libraries/stdlib/unsigned/",
+        "libraries/stdlib/unsigned/"
+    )
+
+    sources.forEach { path ->
+        from("$rootDir/$path") {
+            into(path.dropLastWhile { it != '/' })
+        }
+    }
+
+    into("$buildDir/commonMainSources")
+}
+
+val jsMainSources by task<Sync> {
+    val sources = listOf(
+        "core/builtins/src/kotlin/",
         "libraries/stdlib/js/src/",
         "libraries/stdlib/js/runtime/",
         "libraries/stdlib/js-ir/builtins/",
@@ -89,276 +71,88 @@ val fullRuntimeSources by task<Sync> {
         }
     }
 
-    into("$buildDir/fullRuntime/src")
+    into("$buildDir/jsMainSources")
 
     doLast {
         unimplementedNativeBuiltIns.forEach { path ->
-            val file = File("$buildDir/fullRuntime/src/$path")
+            val file = File("$buildDir/jsMainSources/$path")
             val sourceCode = builtInsHeader + file.readText()
             file.writeText(sourceCode)
         }
     }
 }
 
-val reducedRuntimeSources by task<Sync> {
-    dependsOn(fullRuntimeSources)
-
-    from(fullRuntimeSources.get().outputs.files.singleFile) {
-        exclude(
-            listOf(
-                "libraries/stdlib/unsigned/**",
-                "libraries/stdlib/common/src/generated/_Arrays.kt",
-                "libraries/stdlib/common/src/generated/_Collections.kt",
-                "libraries/stdlib/common/src/generated/_Comparisons.kt",
-                "libraries/stdlib/common/src/generated/_Maps.kt",
-                "libraries/stdlib/common/src/generated/_Sequences.kt",
-                "libraries/stdlib/common/src/generated/_Sets.kt",
-                "libraries/stdlib/common/src/generated/_Strings.kt",
-                "libraries/stdlib/common/src/generated/_UArrays.kt",
-                "libraries/stdlib/common/src/generated/_URanges.kt",
-                "libraries/stdlib/common/src/generated/_UCollections.kt",
-                "libraries/stdlib/common/src/generated/_UComparisons.kt",
-                "libraries/stdlib/common/src/generated/_USequences.kt",
-                "libraries/stdlib/common/src/kotlin/SequencesH.kt",
-                "libraries/stdlib/common/src/kotlin/TextH.kt",
-                "libraries/stdlib/common/src/kotlin/UMath.kt",
-                "libraries/stdlib/common/src/kotlin/collections/**",
-                "libraries/stdlib/common/src/kotlin/ioH.kt",
-                "libraries/stdlib/js-ir/runtime/collectionsHacks.kt",
-                "libraries/stdlib/js-ir/src/generated/**",
-                "libraries/stdlib/js-ir/src/kotlin/text/**",
-                "libraries/stdlib/js/src/jquery/**",
-                "libraries/stdlib/js/src/org.w3c/**",
-                "libraries/stdlib/js/src/kotlin/char.kt",
-                "libraries/stdlib/js/src/kotlin/collections.kt",
-                "libraries/stdlib/js/src/kotlin/collections/**",
-                "libraries/stdlib/js/src/kotlin/time/**",
-                "libraries/stdlib/js/src/kotlin/console.kt",
-                "libraries/stdlib/js/src/kotlin/coreDeprecated.kt",
-                "libraries/stdlib/js/src/kotlin/date.kt",
-                "libraries/stdlib/js/src/kotlin/debug.kt",
-                "libraries/stdlib/js/src/kotlin/grouping.kt",
-                "libraries/stdlib/js/src/kotlin/json.kt",
-                "libraries/stdlib/js/src/kotlin/promise.kt",
-                "libraries/stdlib/js/src/kotlin/regexp.kt",
-                "libraries/stdlib/js/src/kotlin/sequence.kt",
-                "libraries/stdlib/js/src/kotlin/throwableExtensions.kt",
-                "libraries/stdlib/js/src/kotlin/text/**",
-                "libraries/stdlib/js/src/kotlin/reflect/KTypeHelpers.kt",
-                "libraries/stdlib/js/src/kotlin/reflect/KTypeParameterImpl.kt",
-                "libraries/stdlib/js/src/kotlin/reflect/KTypeImpl.kt",
-                "libraries/stdlib/src/kotlin/collections/**",
-                "libraries/stdlib/src/kotlin/experimental/bitwiseOperations.kt",
-                "libraries/stdlib/src/kotlin/properties/Delegates.kt",
-                "libraries/stdlib/src/kotlin/random/URandom.kt",
-                "libraries/stdlib/src/kotlin/text/**",
-                "libraries/stdlib/src/kotlin/time/**",
-                "libraries/stdlib/src/kotlin/util/KotlinVersion.kt",
-                "libraries/stdlib/src/kotlin/util/Tuples.kt",
-                "libraries/stdlib/js/src/kotlin/dom/**",
-                "libraries/stdlib/js/src/kotlin/browser/**"
-            )
-        )
-    }
-
-    from("$rootDir/libraries/stdlib/js-ir/smallRuntime") {
-        into("libraries/stdlib/js-ir/runtime/")
-    }
-
-    into("$buildDir/reducedRuntime/src")
-}
-
-fun JavaExec.buildKLib(
-    moduleName: String,
-    sources: List<File>,
-    dependencies: List<File>,
-    outDir: File,
-    commonSources: List<File>
-) {
-    inputs.files(sources)
-        .withPathSensitivity(PathSensitivity.RELATIVE)
-
-    outputs.dir(file(outDir))
-    outputs.cacheIf { true }
-
-    classpath = jsIrKlibCli
-    main = "org.jetbrains.kotlin.ir.backend.js.GenerateJsIrKlibKt"
-    workingDir = rootDir
-    args = sources.map(::pathRelativeToWorkingDir) +
-            listOf("-n", moduleName, "-o", pathRelativeToWorkingDir(outDir)) +
-            dependencies.flatMap { listOf("-d", pathRelativeToWorkingDir(it)) } +
-            commonSources.flatMap { listOf("-c", pathRelativeToWorkingDir(it)) }
-
-    dependsOn(":compiler:cli-js-klib:jar")
-    passClasspathInJar()
-}
-
-val fullRuntimeDir = buildDir.resolve("fullRuntime/klib")
-
-val generateFullRuntimeKLib by eagerTask<NoDebugJavaExec> {
-    dependsOn(fullRuntimeSources)
-
-    buildKLib(moduleName = "kotlin",
-              sources = listOf(fullRuntimeSources.get().outputs.files.singleFile),
-              dependencies = emptyList(),
-              outDir = fullRuntimeDir,
-              commonSources = listOf("common", "src", "unsigned").map { file("$buildDir/fullRuntime/src/libraries/stdlib/$it") }
+val commonTestSources by task<Sync> {
+    val sources = listOf(
+        "libraries/stdlib/test/",
+        "libraries/stdlib/common/test/"
     )
+
+    sources.forEach { path ->
+        from("$rootDir/$path") {
+            into(path.dropLastWhile { it != '/' })
+        }
+    }
+
+    into("$buildDir/commonTestSources")
+}
+
+val jsTestSources by task<Sync> {
+    from("$rootDir/libraries/stdlib/js/test/")
+    into("$buildDir/jsTestSources")
+}
+
+kotlin {
+    sourceSets {
+        val commonMain by getting {
+            kotlin.srcDir(commonMainSources.get().destinationDir)
+        }
+        val jsMain by getting {
+            kotlin.srcDir(jsMainSources.get().destinationDir)
+        }
+        val commonTest by getting {
+            dependencies {
+                api(project(":kotlin-test:kotlin-test-js-ir"))
+            }
+            kotlin.srcDir(commonTestSources.get().destinationDir)
+        }
+        val jsTest by getting {
+            dependencies {
+                api(project(":kotlin-test:kotlin-test-js-ir"))
+            }
+            kotlin.srcDir(jsTestSources.get().destinationDir)
+        }
+    }
+}
+
+tasks.withType<KotlinCompile<*>>().configureEach {
+    kotlinOptions.freeCompilerArgs += listOf(
+        "-Xallow-kotlin-package",
+        "-Xallow-result-return-type",
+        "-Xuse-experimental=kotlin.Experimental",
+        "-Xuse-experimental=kotlin.ExperimentalMultiplatform",
+        "-Xuse-experimental=kotlin.contracts.ExperimentalContracts",
+        "-Xinline-classes",
+        "-Xopt-in=kotlin.RequiresOptIn",
+        "-Xopt-in=kotlin.ExperimentalUnsignedTypes",
+        "-Xopt-in=kotlin.ExperimentalStdlibApi"
+    )
+}
+
+tasks.named("compileKotlinJs") {
+    (this as KotlinCompile<*>).kotlinOptions.freeCompilerArgs += "-Xir-module-name=kotlin"
+    dependsOn(commonMainSources)
+    dependsOn(jsMainSources)
+}
+
+tasks.named("compileTestKotlinJs") {
+    dependsOn(commonTestSources)
+    dependsOn(jsTestSources)
 }
 
 val packFullRuntimeKLib by tasks.registering(Jar::class) {
-    dependsOn(generateFullRuntimeKLib)
-    from(fullRuntimeDir)
+    dependsOn(tasks.named("compileKotlinJs"))
+    from(buildDir.resolve("classes/kotlin/js/main"))
     destinationDirectory.set(rootProject.buildDir.resolve("js-ir-runtime"))
     archiveFileName.set("full-runtime.klib")
-}
-
-val generateReducedRuntimeKLib by eagerTask<NoDebugJavaExec> {
-    dependsOn(reducedRuntimeSources)
-
-    buildKLib(moduleName = "kotlin",
-              sources = listOf(reducedRuntimeSources.get().outputs.files.singleFile),
-              dependencies = emptyList(),
-              outDir = buildDir.resolve("reducedRuntime/klib"),
-              commonSources = listOf("common", "src", "unsigned").map { file("$buildDir/reducedRuntime/src/libraries/stdlib/$it") }
-    )
-}
-
-val generateWasmRuntimeKLib by eagerTask<NoDebugJavaExec> {
-    buildKLib(moduleName = "kotlin",
-              sources = listOf(file("$rootDir/libraries/stdlib/wasm")),
-              dependencies = emptyList(),
-              outDir = file("$buildDir/wasmRuntime/klib"),
-              commonSources = emptyList()
-    )
-}
-
-val kotlinTestCommonSources = listOf(
-    "$rootDir/libraries/kotlin.test/annotations-common/src/main",
-    "$rootDir/libraries/kotlin.test/common/src/main"
-)
-
-val generateKotlinTestKLib by eagerTask<NoDebugJavaExec> {
-    dependsOn(generateFullRuntimeKLib)
-
-    buildKLib(
-        moduleName = "kotlin-test",
-        sources = (listOf("$rootDir/libraries/kotlin.test/js/src/main") + kotlinTestCommonSources).map(::file),
-        dependencies = listOf(generateFullRuntimeKLib.outputs.files.singleFile),
-        outDir = file("$buildDir/kotlin.test/klib"),
-        commonSources = kotlinTestCommonSources.map(::file)
-    )
-}
-
-val jsTestDir = "${buildDir}/testSrc"
-
-val prepareStdlibTestSources by task<Sync> {
-    from("$rootDir/libraries/stdlib/test") {
-        exclude("src/generated/**")
-        into("test")
-    }
-    from("$rootDir/libraries/stdlib/common/test") {
-        exclude("src/generated/**")
-        into("common")
-    }
-    from("$rootDir/libraries/stdlib/js/test") {
-        into("js")
-    }
-    into(jsTestDir)
-}
-
-fun JavaExec.buildJs(sources: List<String>, dependencies: List<String>, outPath: String, commonSources: List<String>) {
-    inputs.files(sources)
-    outputs.dir(file(outPath).parent)
-    classpath = fullJsIrCli
-    main = "org.jetbrains.kotlin.cli.js.K2JsIrCompiler"
-    workingDir = rootDir
-
-    val libraryString: String = dependencies.joinToString(File.pathSeparator)
-    val libraryArgs: List<String> = if (libraryString.isEmpty()) emptyList() else listOf<String>("-libraries", libraryString, "-Xfriend-modules=$libraryString")
-    val allArgs =
-     sources.toList() + listOf("-output", outPath) + libraryArgs + listOf(
-         "-Xir-produce-js",
-         "-Xmulti-platform",
-         "-Xopt-in=kotlin.RequiresOptIn",
-         "-Xopt-in=kotlin.contracts.ExperimentalContracts",
-         "-Xopt-in=kotlin.ExperimentalMultiplatform",
-         "-Xopt-in=kotlin.ExperimentalStdlibApi",
-         "-Xopt-in=kotlin.ExperimentalUnsignedTypes"
-     )
-    args = allArgs
-
-    dependsOn(":compiler:cli-js:jar")
-    passClasspathInJar()
-}
-
-val testOutputFile = "$buildDir/kotlin-stdlib-js-ir_test.js"
-
-val tryRunFullCli by eagerTask<NoDebugJavaExec> {
-    dependsOn(prepareStdlibTestSources)
-    dependsOn(generateFullRuntimeKLib)
-    dependsOn(generateKotlinTestKLib)
-
-    buildJs(
-        sources = listOf(jsTestDir),
-        dependencies = listOf(
-            generateFullRuntimeKLib.outputs.files.singleFile.path,
-            generateKotlinTestKLib.outputs.files.singleFile.path
-        ),
-        outPath = testOutputFile,
-        commonSources = emptyList()
-    )
-}
-
-node {
-    download = true
-    version = "10.16.2"
-    nodeModulesDir = buildDir
-}
-
-val installMocha by task<NpmTask> {
-    setArgs(listOf("install", "mocha"))
-}
-
-val installTeamcityReporter by task<NpmTask> {
-    setArgs(listOf("install", "mocha-teamcity-reporter"))
-}
-
-// TODO: TEST OUTPUT FILE
-// val kotlinTestTestOutputFile = "${project(':kotlin-test:kotlin-test-js').buildDir}/classes/kotlin/test/kotlin-test-js-ir_test.js"
-
-val runMocha by task<NodeTask> {
-    dependsOn(installMocha)
-    dependsOn(tryRunFullCli)
-
-    script = file("${buildDir}/node_modules/mocha/bin/mocha")
-
-    if (project.hasProperty("teamcity")) {
-        dependsOn(installTeamcityReporter)
-        setArgs(
-            listOf(
-                "--reporter",
-                "mocha-teamcity-reporter",
-                "--reporter-options",
-                "topLevelSuite=stdlib-js-ir"
-            )
-        )
-    }
-    else {
-        setArgs(listOf("--reporter", "min"))
-    }
-
-    val allArgs = getArgs().toList() + listOf(testOutputFile/*, kotlinTestTestOutputFile*/)
-    setArgs(allArgs)
-
-    setIgnoreExitValue(kotlinBuildProperties.ignoreTestFailures)
-    setWorkingDir(buildDir)
-}
-
-tasks {
-    val test by registering { dependsOn(runMocha) }
-    val check by existing { dependsOn(test) }
-
-    // dummy task to make coreLibsInstall aggregate task not fail
-    val install by registering
 }

libraries/stdlib/js-ir/smallRuntime/smallRuntimeMissingDeclarations.kt

@@ -1,35 +0,0 @@
-/*
- * Copyright 2010-2020 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 kotlin
-
-/**
- * Returns `true` if this char sequence is empty (contains no characters).
- */
-@kotlin.internal.InlineOnly
-public inline fun CharSequence.isEmpty(): Boolean = length == 0
-
-/**
- * Accumulates value starting with [initial] value and applying [operation] from left to right to current accumulator value and each element.
- */
-public inline fun <T, R> Array<out T>.fold(initial: R, operation: (acc: R, T) -> R): R {
-    var accumulator = initial
-    for (element in this) accumulator = operation(accumulator, element)
-    return accumulator
-}
-
-
-public actual fun Throwable.stackTraceToString(): String = toString()
-
-public actual fun Throwable.printStackTrace() {
-    TODO("Not implemented in reduced runtime")
-}
-
-public actual fun Throwable.addSuppressed(exception: Throwable) {
-    TODO("Not implemented in reduced runtime")
-}
-
-public actual val Throwable.suppressedExceptions: List<Throwable>
-    get() = TODO("Not implemented in reduced runtime")

libraries/stdlib/js-ir/smallRuntime/tests.kt

@@ -1,27 +0,0 @@
-/*
- * 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 kotlin.test
-
-// This file plugs some declaration from "kotlin.test" library used in tests.
-
-fun <T> assertEquals(a: T, b: T) {
-    if (a != b) throw Exception("")
-}
-
-fun assertTrue(x: Boolean) {
-    if (!x) throw Exception("")
-}
-
-fun assertFalse(x: Boolean) {
-    if (x) throw Exception("")
-}
-
-fun <T : Any> assertNotNull(actual: T?, message: String? = null): T {
-    if (actual == null) throw Exception("")
-    return actual
-}
-
-