From 197a5969e271d05bee730ed9c74f392066d2b0ec Mon Sep 17 00:00:00 2001
From: Svyatoslav Kuzmich <svyatoslav.kuzmich@jetbrains.com>
Date: Fri, 31 Aug 2018 14:56:54 +0300
Subject: [PATCH] [JS IR BE] Fix stdlib files list for 1.3

---
 .../kotlin/js/test/BasicIrBoxTest.kt          | 14 ++++++++--
 .../stdlib/js/irRuntime/PlatformRandom.kt     | 28 +++++++++++++++++++
 2 files changed, 39 insertions(+), 3 deletions(-)
 create mode 100644 libraries/stdlib/js/irRuntime/PlatformRandom.kt

diff --git a/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt b/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt
index bc87dcdb1dd..4a9f678b949 100644
--- a/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt
+++ b/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt
@@ -23,6 +23,7 @@ private val runtimeSources = listOfKtFilesFrom(
     "libraries/stdlib/js/src/generated",
     "libraries/stdlib/js/irRuntime",
     "libraries/stdlib/js/runtime",
+    "libraries/stdlib/unsigned",
 
     "core/builtins/native/kotlin/Annotation.kt",
     "core/builtins/native/kotlin/Number.kt",
@@ -33,6 +34,12 @@ private val runtimeSources = listOfKtFilesFrom(
 
     BasicBoxTest.COMMON_FILES_DIR_PATH
 ) - listOfKtFilesFrom(
+    "libraries/stdlib/common/src/kotlin/JvmAnnotationsH.kt",
+    "libraries/stdlib/src/kotlin/annotations/Multiplatform.kt",
+
+    // TODO: Support Int.pow
+    "libraries/stdlib/js/src/kotlin/random/PlatformRandom.kt",
+
     // TODO: Unify exceptions
     "libraries/stdlib/common/src/kotlin/ExceptionsH.kt",
 
@@ -111,13 +118,14 @@ private val smallerRuntimeSources = listOfKtFilesFrom(
 
     "libraries/stdlib/common/src/kotlin/JsAnnotationsH.kt",
 
-    "libraries/stdlib/common/src/kotlin/CoroutinesH.kt",
-    "libraries/stdlib/common/src/kotlin/CoroutinesIntrinsicsH.kt",
+    "libraries/stdlib/common/src/kotlin/CoroutinesExperimentalH.kt",
+    "libraries/stdlib/common/src/kotlin/CoroutinesIntrinsicsExperimentalH.kt",
 
     "libraries/stdlib/js/irRuntime",
     BasicBoxTest.COMMON_FILES_DIR_PATH
 ) - listOfKtFilesFrom(
-    "libraries/stdlib/js/irRuntime/kotlinHacks.kt"
+    "libraries/stdlib/js/irRuntime/kotlinHacks.kt",
+    "libraries/stdlib/js/irRuntime/PlatformRandom.kt"
 )
 
 private var runtimeResult: Result? = null
diff --git a/libraries/stdlib/js/irRuntime/PlatformRandom.kt b/libraries/stdlib/js/irRuntime/PlatformRandom.kt
new file mode 100644
index 00000000000..0f34b1b790f
--- /dev/null
+++ b/libraries/stdlib/js/irRuntime/PlatformRandom.kt
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. 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.random
+
+import kotlin.math.pow
+
+// TODO: use stdlib file when math.pow is fixed
+
+internal actual fun defaultPlatformRandom(): Random =
+    Random(js("(Math.random() * Math.pow(2, 32)) | 0").unsafeCast<Int>())
+
+
+internal actual fun fastLog2(value: Int): Int {
+    // TODO: not so fast, make faster
+    var v = value
+    var log = -1
+    while (v != 0) {
+        v = v.ushr(1)
+        log++
+    }
+    return log
+}
+
+internal actual fun doubleFromParts(hi26: Int, low27: Int): Double =
+    hi26 * (2.0.pow(-26)) + low27 * (2.0.pow(-53))