Copy JS stdlib as PY one (only for tests now)

libraries/stdlib/py-minimal-for-test/build.gradle.kts

@@ -0,0 +1,140 @@
+import org.jetbrains.kotlin.gradle.dsl.KotlinCompile
+
+plugins {
+    kotlin("multiplatform")
+}
+
+kotlin {
+    js(IR) {
+        nodejs()
+    }
+}
+
+val commonMainSources by task<Sync> {
+    dependsOn(":kotlin-stdlib-py:commonMainSources")
+    from {
+        val fullCommonMainSources = tasks.getByPath(":kotlin-stdlib-py:commonMainSources")
+        exclude(
+            listOf(
+                "libraries/stdlib/unsigned/src/kotlin/UByteArray.kt",
+                "libraries/stdlib/unsigned/src/kotlin/UIntArray.kt",
+                "libraries/stdlib/unsigned/src/kotlin/ULongArray.kt",
+                "libraries/stdlib/unsigned/src/kotlin/UMath.kt",
+                "libraries/stdlib/unsigned/src/kotlin/UNumbers.kt",
+                "libraries/stdlib/unsigned/src/kotlin/UShortArray.kt",
+                "libraries/stdlib/unsigned/src/kotlin/UStrings.kt",
+                "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/_OneToManyTitlecaseMappings.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/src/kotlin/collections/**",
+                "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"
+            )
+        )
+        fullCommonMainSources.outputs.files.singleFile
+    }
+
+    into("$buildDir/commonMainSources")
+}
+
+val  jsMainSources by task<Sync> {
+    dependsOn(":kotlin-stdlib-py:jsMainSources")
+
+    from {
+        val fullJsMainSources = tasks.getByPath(":kotlin-stdlib-py:jsMainSources")
+        exclude(
+            listOf(
+                "libraries/stdlib/js/src/org.w3c/**",
+                "libraries/stdlib/js/src/kotlin/char.kt",
+                "libraries/stdlib/js/src/kotlin/collections.kt",
+                "libraries/stdlib/js/src/kotlin/collections/**",
+                "libraries/stdlib/js/src/kotlin/time/**",
+                "libraries/stdlib/js/src/kotlin/console.kt",
+                "libraries/stdlib/js/src/kotlin/coreDeprecated.kt",
+                "libraries/stdlib/js/src/kotlin/date.kt",
+                "libraries/stdlib/js/src/kotlin/grouping.kt",
+                "libraries/stdlib/js/src/kotlin/json.kt",
+                "libraries/stdlib/js/src/kotlin/promise.kt",
+                "libraries/stdlib/js/src/kotlin/regexp.kt",
+                "libraries/stdlib/js/src/kotlin/sequence.kt",
+                "libraries/stdlib/js/src/kotlin/throwableExtensions.kt",
+                "libraries/stdlib/js/src/kotlin/text/**",
+                "libraries/stdlib/js/src/kotlin/reflect/KTypeHelpers.kt",
+                "libraries/stdlib/js/src/kotlin/reflect/KTypeParameterImpl.kt",
+                "libraries/stdlib/js/src/kotlin/reflect/KTypeImpl.kt",
+                "libraries/stdlib/js/src/kotlin/dom/**",
+                "libraries/stdlib/js/src/kotlin/browser/**",
+                "libraries/stdlib/js/src/kotlinx/dom/**",
+                "libraries/stdlib/js/src/kotlinx/browser/**"
+            )
+        )
+        fullJsMainSources.outputs.files.singleFile
+    }
+
+    for (jsIrSrcDir in listOf("builtins", "runtime", "src")) {
+        from("$rootDir/libraries/stdlib/py/$jsIrSrcDir") {
+            exclude(
+                listOf(
+                    "collectionsHacks.kt",
+                    "generated/**",
+                    "kotlin/text/**"
+                )
+            )
+            into("libraries/stdlib/py/$jsIrSrcDir")
+        }
+    }
+
+    from("$rootDir/libraries/stdlib/py-minimal-for-test/src")
+    into("$buildDir/jsMainSources")
+}
+
+kotlin {
+    sourceSets {
+        val commonMain by getting {
+            kotlin.srcDir(files(commonMainSources.map { it.destinationDir }))
+        }
+        val jsMain by getting {
+            kotlin.srcDir(files(jsMainSources.map { it.destinationDir }))
+        }
+    }
+}
+
+tasks.withType<KotlinCompile<*>> {
+    kotlinOptions.freeCompilerArgs += listOf(
+        "-Xallow-kotlin-package",
+        "-Xopt-in=kotlin.ExperimentalMultiplatform",
+        "-Xopt-in=kotlin.contracts.ExperimentalContracts",
+        "-Xopt-in=kotlin.RequiresOptIn",
+        "-Xopt-in=kotlin.ExperimentalUnsignedTypes",
+        "-Xopt-in=kotlin.ExperimentalStdlibApi"
+    )
+}
+
+tasks {
+    compileKotlinMetadata {
+        enabled = false
+    }
+
+    named("compileKotlinJs", KotlinCompile::class) {
+        kotlinOptions.freeCompilerArgs += "-Xir-module-name=kotlin"
+    }
+}

libraries/stdlib/py-minimal-for-test/src/smallRuntimeCollections.kt

@@ -0,0 +1,12 @@
+/*
+ * Copyright 2010-2021 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.collections
+
+@SinceKotlin("1.4")
+@library("arrayEquals")
+public infix fun <T> Array<out T>?.contentEquals(other: Array<out T>?): Boolean {
+    definedExternally
+}

libraries/stdlib/py-minimal-for-test/src/smallRuntimeMissingDeclarations.kt

@@ -0,0 +1,54 @@
+/*
+ * 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")
+
+/**
+ * Returns a string representation of this [Long] value in the specified [radix].
+ *
+ * @throws IllegalArgumentException when [radix] is not a valid radix for number to string conversion.
+ */
+@SinceKotlin("1.2")
+public fun Long.toString(radix: Int): String =
+    this.toStringImpl(checkRadix(radix))
+
+/**
+ * Checks whether the given [radix] is valid radix for string to number and number to string conversion.
+ */
+internal fun checkRadix(radix: Int): Int {
+    if (radix !in 2..36) {
+        throw IllegalArgumentException("radix $radix was not in valid range 2..36")
+    }
+    return radix
+}

libraries/stdlib/py-minimal-for-test/src/tests.kt

@@ -0,0 +1,27 @@
+/*
+ * 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
+}
+
+