[stdlib-js-ir] Copy Boolean and String sources and add equals, hashCode, toString

libraries/stdlib/js-ir/builtins/Boolean.kt

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2010-2019 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.
+ */
+
+@file:Suppress("NON_ABSTRACT_FUNCTION_WITH_NO_BODY")
+
+package kotlin
+
+/**
+ * Represents a value which is either `true` or `false`. On the JVM, non-nullable values of this type are
+ * represented as values of the primitive type `boolean`.
+ */
+public class Boolean private constructor() : Comparable<Boolean> {
+    /**
+     * Returns the inverse of this boolean.
+     */
+    public operator fun not(): Boolean
+
+    /**
+     * Performs a logical `and` operation between this Boolean and the [other] one. Unlike the `&&` operator,
+     * this function does not perform short-circuit evaluation. Both `this` and [other] will always be evaluated.
+     */
+    public infix fun and(other: Boolean): Boolean
+
+    /**
+     * Performs a logical `or` operation between this Boolean and the [other] one. Unlike the `||` operator,
+     * this function does not perform short-circuit evaluation. Both `this` and [other] will always be evaluated.
+     */
+    public infix fun or(other: Boolean): Boolean
+
+    /**
+     * Performs a logical `xor` operation between this Boolean and the [other] one.
+     */
+    public infix fun xor(other: Boolean): Boolean
+
+    public override fun compareTo(other: Boolean): Int
+
+
+    public override fun equals(other: Any?): Boolean
+
+    public override fun hashCode(): Int
+
+    public override fun toString(): String
+
+    @SinceKotlin("1.3")
+    companion object {}
+}

libraries/stdlib/js-ir/builtins/String.kt

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2010-2019 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.
+ */
+
+@file:Suppress("NON_ABSTRACT_FUNCTION_WITH_NO_BODY", "MUST_BE_INITIALIZED_OR_BE_ABSTRACT")
+
+package kotlin
+
+/**
+ * The `String` class represents character strings. All string literals in Kotlin programs, such as `"abc"`, are
+ * implemented as instances of this class.
+ */
+public class String : Comparable<String>, CharSequence {
+    companion object {}
+    
+    /**
+     * Returns a string obtained by concatenating this string with the string representation of the given [other] object.
+     */
+    public operator fun plus(other: Any?): String
+
+    public override val length: Int
+
+    /**
+     * Returns the character of this string at the specified [index].
+     *
+     * If the [index] is out of bounds of this string, throws an [IndexOutOfBoundsException] except in Kotlin/JS
+     * where the behavior is unspecified.
+     */
+    public override fun get(index: Int): Char
+
+    public override fun subSequence(startIndex: Int, endIndex: Int): CharSequence
+
+    public override fun compareTo(other: String): Int
+
+    public override fun equals(other: Any?): Boolean
+
+    public override fun hashCode(): Int
+
+    public override fun toString(): String
+}