[WASM] Implement gradle plugin binaryen support

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/NewMultiplatformIT.kt

@@ -1956,16 +1956,24 @@ class NewMultiplatformIT : BaseGradleIT() {
         }
     }
 
-    private fun testWasmTest(engine: String, name: String) = with(
+    private fun testWasmTest(engine: String, name: String, useBinaryen: Boolean) = with(
         Project("new-mpp-wasm-test", gradleVersionRequirement = GradleVersionRequired.AtLeast(TestVersions.Gradle.G_7_0))
     ) {
         setupWorkingDir()
         gradleBuildScript().modify {
             transformBuildScriptWithPluginsDsl(it)
                 .replace("<JsEngine>", engine)
+                .replace("<ApplyBinaryen>", if (useBinaryen) "applyBinaryen()" else "")
         }
         build(":wasm${name}Test") {
             assertTasksExecuted(":compileKotlinWasm")
+            if (useBinaryen) {
+                assertTasksExecuted(":compileTestProductionExecutableKotlinWasmOptimize")
+                assertTasksExecuted(":compileTestDevelopmentExecutableKotlinWasmOptimize")
+            } else {
+                assertTasksNotExecuted(":compileTestProductionExecutableKotlinWasmOptimize")
+                assertTasksNotExecuted(":compileTestDevelopmentExecutableKotlinWasmOptimize")
+            }
             assertTasksFailed(":wasm${name}Test")
             assertTestResults(
                 "testProject/new-mpp-wasm-test/TEST-${engine}.xml",
@@ -1975,10 +1983,16 @@ class NewMultiplatformIT : BaseGradleIT() {
     }
 
     @Test
-    fun testWasmNodeTest() = testWasmTest("nodejs", "Node")
+    fun testWasmNodeTest() = testWasmTest("nodejs", "Node", useBinaryen = false)
 
     @Test
-    fun testWasmD8Test() = testWasmTest("d8", "D8")
+    fun testWasmWithBinaryenNodeTest() = testWasmTest("nodejs", "Node", useBinaryen = true)
+
+    @Test
+    fun testWasmD8Test() = testWasmTest("d8", "D8", useBinaryen = false)
+
+    @Test
+    fun testWasmWithBinaryenD8Test() = testWasmTest("d8", "D8", useBinaryen = true)
 
     @Test
     fun testResolveMetadataCompileClasspathKt50925() {

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/new-mpp-wasm-test/build.gradle.kts

@@ -27,6 +27,7 @@ tasks.named<org.jetbrains.kotlin.gradle.targets.js.yarn.YarnLockCopyTask>("kotli
 kotlin {
     wasm {
         <JsEngine>()
+        <ApplyBinaryen>
     }
 
     sourceSets {

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/binaryen/BinaryenEnv.kt

@@ -0,0 +1,14 @@
+package org.jetbrains.kotlin.gradle.targets.js.binaryen
+
+import org.jetbrains.kotlin.gradle.tasks.internal.CleanableStore
+import java.io.File
+import java.net.URL
+
+data class BinaryenEnv(
+    val cleanableStore: CleanableStore,
+    val zipPath: File,
+    val targetPath: File,
+    val executablePath: File,
+    val isWindows: Boolean,
+    val downloadUrl: URL
+)

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/binaryen/BinaryenExec.kt

@@ -0,0 +1,81 @@
+/*
+ * 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 org.jetbrains.kotlin.gradle.targets.js.binaryen
+
+import org.gradle.api.file.RegularFileProperty
+import org.gradle.api.tasks.*
+import org.jetbrains.kotlin.gradle.plugin.KotlinPlatformType
+import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinJsCompilation
+import org.jetbrains.kotlin.gradle.tasks.registerTask
+import org.jetbrains.kotlin.gradle.utils.newFileProperty
+import javax.inject.Inject
+
+open class BinaryenExec
+@Inject
+constructor() : AbstractExecTask<BinaryenExec>(BinaryenExec::class.java) {
+    @Transient
+    @get:Internal
+    lateinit var binaryen: BinaryenRootExtension
+
+    init {
+        onlyIf {
+            !inputFileProperty.isPresent || inputFileProperty.asFile.map { it.exists() }.get()
+        }
+    }
+
+    @Input
+    var binaryenArgs: MutableList<String> = mutableListOf(
+        "--enable-nontrapping-float-to-int",
+        "--enable-typed-function-references",
+        "--enable-gc",
+        "--enable-reference-types",
+        "--enable-exception-handling",
+        "--hybrid",
+        "-O3",
+        "--inline-functions-with-loops",
+        "--traps-never-happen",
+        "--fast-math",
+    )
+
+    @InputFile
+    val inputFileProperty: RegularFileProperty = project.newFileProperty()
+
+    @OutputFile
+    val outputFileProperty: RegularFileProperty = project.newFileProperty()
+
+    override fun exec() {
+        val inputFile = inputFileProperty.asFile.get()
+        val newArgs = mutableListOf<String>()
+        newArgs.addAll(binaryenArgs)
+        newArgs.add(inputFile.canonicalPath)
+        newArgs.add("-o")
+        newArgs.add(outputFileProperty.asFile.get().canonicalPath)
+        workingDir = inputFile.parentFile
+        this.args = newArgs
+        super.exec()
+    }
+
+    companion object {
+        fun create(
+            compilation: KotlinJsCompilation,
+            name: String,
+            configuration: BinaryenExec.() -> Unit = {}
+        ): TaskProvider<BinaryenExec> {
+            val target = compilation.target
+            val project = target.project
+            val binaryen = BinaryenRootPlugin.apply(project.rootProject)
+            return project.registerTask(
+                name,
+            ) {
+                it.binaryen = binaryen
+                it.executable = binaryen.requireConfigured().executablePath.absolutePath
+                it.dependsOn(binaryen.setupTaskProvider)
+                it.dependsOn(compilation.compileKotlinTaskProvider)
+                it.configuration()
+            }
+        }
+    }
+}

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/binaryen/BinaryenPlatform.kt

@@ -0,0 +1,30 @@
+package org.jetbrains.kotlin.gradle.targets.js.binaryen
+
+/**
+ * Provides platform and architecture names that is used to download Binaryen.
+ */
+internal object BinaryenPlatform {
+    private val props = System.getProperties()
+    private fun property(name: String) = props.getProperty(name) ?: System.getProperty(name)
+
+    const val WIN = "windows"
+    const val LINUX = "linux"
+    const val DARWIN = "macos"
+
+    val name: String = run {
+        val name = property("os.name").toLowerCase()
+        when {
+            name.contains("windows") -> WIN
+            name.contains("mac") -> DARWIN
+            name.contains("linux") -> LINUX
+            name.contains("freebsd") -> LINUX
+            else -> throw IllegalArgumentException("Unsupported OS: $name")
+        }
+    }
+
+    const val X64 = "64"
+    const val X86 = "86"
+
+    val architecture: String
+        get() = if (property("os.arch").contains("64")) X64 else X86
+}

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/binaryen/BinaryenRootExtension.kt

@@ -0,0 +1,59 @@
+/*
+ * 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 org.jetbrains.kotlin.gradle.targets.js.binaryen
+
+import org.gradle.api.Project
+import org.gradle.api.tasks.Copy
+import org.gradle.api.tasks.TaskProvider
+import org.jetbrains.kotlin.gradle.internal.ConfigurationPhaseAware
+import org.jetbrains.kotlin.gradle.logging.kotlinInfo
+import org.jetbrains.kotlin.gradle.tasks.internal.CleanableStore
+import java.io.File
+import java.io.Serializable
+import java.net.URL
+
+open class BinaryenRootExtension(@Transient val rootProject: Project) : ConfigurationPhaseAware<BinaryenEnv>(), Serializable {
+    init {
+        check(rootProject.rootProject == rootProject)
+    }
+
+    private val gradleHome = rootProject.gradle.gradleUserHomeDir.also {
+        rootProject.logger.kotlinInfo("Storing cached files in $it")
+    }
+
+    var installationPath by Property(gradleHome.resolve("binaryen"))
+    var downloadBaseUrl by Property("https://github.com/WebAssembly/binaryen/releases/download/")
+    var version by Property("109")
+
+    val setupTaskProvider: TaskProvider<out Copy>
+        get() = rootProject.tasks.withType(Copy::class.java).named(BinaryenRootPlugin.INSTALL_TASK_NAME)
+
+    override fun finalizeConfiguration(): BinaryenEnv {
+        val platform = BinaryenPlatform.name
+        val architecture = BinaryenPlatform.architecture
+        val requiredVersionName = "binaryen-version_$version-x86_$architecture-$platform"
+        val requiredZipName = "$requiredVersionName.tar.gz"
+        val cleanableStore = CleanableStore[installationPath.absolutePath]
+        val targetPath = cleanableStore[requiredVersionName].use()
+        val isWindows = BinaryenPlatform.name == BinaryenPlatform.WIN
+
+        return BinaryenEnv(
+            cleanableStore = cleanableStore,
+            zipPath = cleanableStore[requiredZipName].use(),
+            targetPath = targetPath,
+            executablePath = targetPath
+                .resolve("binaryen-version_$version")
+                .resolve("bin")
+                .resolve(if (isWindows) "wasm-opt.exe" else "wasm-opt"),
+            isWindows = isWindows,
+            downloadUrl = URL("${downloadBaseUrl.trimEnd('/')}/version_$version/$requiredZipName"),
+        )
+    }
+
+    companion object {
+        const val EXTENSION_NAME: String = "kotlinBinaryen"
+    }
+}

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/binaryen/BinaryenRootPlugin.kt

@@ -0,0 +1,66 @@
+/*
+ * 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 org.jetbrains.kotlin.gradle.targets.js.binaryen
+
+import de.undercouch.gradle.tasks.download.Download
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.api.plugins.BasePlugin
+import org.gradle.api.tasks.Copy
+import org.jetbrains.kotlin.gradle.targets.js.MultiplePluginDeclarationDetector
+import org.jetbrains.kotlin.gradle.targets.js.binaryen.BinaryenRootExtension.Companion.EXTENSION_NAME
+import org.jetbrains.kotlin.gradle.tasks.CleanDataTask
+import org.jetbrains.kotlin.gradle.tasks.registerTask
+
+open class BinaryenRootPlugin : Plugin<Project> {
+    override fun apply(project: Project) {
+        MultiplePluginDeclarationDetector.detect(project)
+
+        project.plugins.apply(BasePlugin::class.java)
+
+        check(project == project.rootProject) {
+            "BinaryenRootPlugin can be applied only to root project"
+        }
+
+        val settings = project.extensions.create(EXTENSION_NAME, BinaryenRootExtension::class.java, project)
+
+        val downloadTask = project.registerTask<Download>("${TASKS_GROUP_NAME}Download") {
+            val env = settings.requireConfigured()
+            it.group = TASKS_GROUP_NAME
+            it.src(env.downloadUrl)
+            it.dest(env.zipPath)
+            it.overwrite(false)
+            it.description = "Download local binaryen version"
+        }
+
+        project.registerTask<Copy>(INSTALL_TASK_NAME) {
+            val env = settings.requireConfigured()
+            it.onlyIf { env.zipPath.exists() && !env.executablePath.exists() }
+            it.group = TASKS_GROUP_NAME
+            it.from(project.tarTree(env.zipPath))
+            it.into(env.targetPath)
+            it.dependsOn(downloadTask)
+            it.description = "Install local binaryen version"
+        }
+
+        project.registerTask<CleanDataTask>("binaryen" + CleanDataTask.NAME_SUFFIX) {
+            it.cleanableStoreProvider = project.provider { settings.requireConfigured().cleanableStore }
+            it.group = TASKS_GROUP_NAME
+            it.description = "Clean unused local binaryen version"
+        }
+    }
+
+    companion object {
+        const val TASKS_GROUP_NAME: String = "binaryen"
+        const val INSTALL_TASK_NAME: String = "${TASKS_GROUP_NAME}Install"
+
+        fun apply(rootProject: Project): BinaryenRootExtension {
+            check(rootProject == rootProject.rootProject)
+            rootProject.plugins.apply(BinaryenRootPlugin::class.java)
+            return rootProject.extensions.getByName(EXTENSION_NAME) as BinaryenRootExtension
+        }
+    }
+}

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/dsl/KotlinWasmTargetDsl.kt

@@ -8,6 +8,7 @@ package org.jetbrains.kotlin.gradle.targets.js.dsl
 import groovy.lang.Closure
 import org.gradle.util.ConfigureUtil
 import org.jetbrains.kotlin.gradle.plugin.KotlinTarget
+import org.jetbrains.kotlin.gradle.targets.js.binaryen.BinaryenExec
 import org.jetbrains.kotlin.gradle.targets.js.d8.D8Exec
 
 interface KotlinWasmSubTargetContainerDsl : KotlinTarget {
@@ -16,6 +17,8 @@ interface KotlinWasmSubTargetContainerDsl : KotlinTarget {
     val isD8Configured: Boolean
 
     fun whenD8Configured(body: KotlinWasmD8Dsl.() -> Unit)
+
+    fun whenBinaryenApplied(body: () -> Unit)
 }
 
 interface KotlinWasmTargetDsl : KotlinJsTargetDsl {
@@ -26,6 +29,8 @@ interface KotlinWasmTargetDsl : KotlinJsTargetDsl {
             ConfigureUtil.configure(fn, this)
         }
     }
+
+    fun applyBinaryen()
 }
 
 interface KotlinWasmD8Dsl : KotlinJsSubTargetDsl {

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsBinaryContainer.kt

@@ -10,10 +10,12 @@ import org.gradle.api.GradleException
 import org.gradle.api.Project
 import org.gradle.api.plugins.ExtensionAware
 import org.jetbrains.kotlin.gradle.plugin.KotlinCompilation
+import org.jetbrains.kotlin.gradle.plugin.KotlinPlatformType
 import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinJsCompilation
 import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinTargetWithBinaries
 import org.jetbrains.kotlin.gradle.plugin.mpp.isMain
 import org.jetbrains.kotlin.gradle.targets.js.KotlinJsTarget
+import org.jetbrains.kotlin.gradle.targets.js.binaryen.BinaryenExec
 import org.jetbrains.kotlin.gradle.targets.js.dsl.Distribution
 import org.jetbrains.kotlin.gradle.targets.js.dsl.KotlinJsBinaryMode
 import org.jetbrains.kotlin.gradle.targets.js.dsl.KotlinJsBinaryMode.DEVELOPMENT
@@ -21,9 +23,9 @@ import org.jetbrains.kotlin.gradle.targets.js.dsl.KotlinJsBinaryMode.PRODUCTION
 import org.jetbrains.kotlin.gradle.targets.js.subtargets.DefaultDistribution
 import org.jetbrains.kotlin.gradle.targets.js.subtargets.KotlinJsSubTarget
 import org.jetbrains.kotlin.gradle.utils.lowerCamelCaseName
+import java.io.File
 import javax.inject.Inject
 
-
 open class KotlinJsBinaryContainer
 @Inject
 constructor(
@@ -38,6 +40,30 @@ constructor(
     private val defaultCompilation: KotlinJsCompilation
         get() = target.compilations.getByName(KotlinCompilation.MAIN_COMPILATION_NAME)
 
+    private fun configureBinaryen(binary: JsIrBinary) {
+        val linkTask = binary.linkTask
+
+        val compiledMjsFile = linkTask.map { link ->
+            link.kotlinOptions.outputFile?.let(::File)
+                ?: link.destinationDirectory.locationOnly.get().asFile.resolve("${link.compilation.ownModuleName}.mjs")
+        }
+
+        val compiledWasmFile = compiledMjsFile.map {
+            it.parentFile.resolve("${it.nameWithoutExtension}.wasm")
+        }
+
+        //TODO This is temporary solution that overrides compiled files that triggers recompile and reoptimize wasm every time (when binaryen is enabled)
+        val binaryenTask = BinaryenExec.create(binary.compilation, "${linkTask.name}Optimize") {
+            inputFileProperty.fileProvider(compiledWasmFile)
+            outputFileProperty.fileProvider(compiledWasmFile)
+        }
+
+        binary.compilation.compileKotlinTask.finalizedBy(binaryenTask)
+        binary.linkSyncTask.configure {
+            it.dependsOn(binaryenTask)
+        }
+    }
+
     // For Groovy DSL
     @JvmOverloads
     fun executable(
@@ -175,6 +201,12 @@ constructor(
             extensions.add(binary.name, binary)
         }
 
+        if (compilation.platformType == KotlinPlatformType.wasm && target is KotlinJsIrTarget && binary is JsIrBinary) {
+            target.whenBinaryenApplied {
+                configureBinaryen(binary)
+            }
+        }
+
         return binary
     }
 

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsIrTarget.kt

@@ -144,12 +144,31 @@ constructor(
 
             task.from(project.tasks.named(compilation.processResourcesTaskName))
 
-            task.into(
+            task.into(npmProject.dist)
-                npmProject.dist
-            )
         }
     }
 
+    //Binaryen
+    private val applyBinaryenHandlers = mutableListOf<() -> Unit>()
+
+    private var binaryenApplied: Boolean = false
+
+    override fun whenBinaryenApplied(body: () -> Unit) {
+        if (binaryenApplied) {
+            body()
+        } else {
+            applyBinaryenHandlers += body
+        }
+    }
+
+    override fun applyBinaryen() {
+        binaryenApplied = true
+        applyBinaryenHandlers.forEach { handler ->
+            handler()
+        }
+        browserConfiguredHandlers.clear()
+    }
+
     //Browser
     private val browserLazyDelegate = lazy {
         commonLazy