Generate built-in sources of arrays

Extract Array class into a separate file, move arrayOfNulls to Library.kt, fix
formatting and generate Arrays.kt

core/builtins/native/kotlin/Array.kt

@@ -0,0 +1,10 @@
+package kotlin
+
+public class Array<reified T>(public val size: Int, init: Function1<Int, T>) {
+    public fun get(index: Int): T
+    public fun set(index: Int, value: T): Unit
+
+    public fun iterator(): Iterator<T>
+
+    public val indices: IntRange
+}

core/builtins/native/kotlin/Arrays.kt

@@ -1,84 +1,92 @@
+/*
+ * Copyright 2010-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Auto-generated file. DO NOT EDIT!
+
 package kotlin
 
-public fun arrayOfNulls<T>(size : Int) : Array<T?>
+public class ByteArray(public val size: Int) {
+    public fun get(index: Int): Byte
+    public fun set(index: Int, value: Byte): Unit
 
-public class Array<reified T>(public val size : Int, init : Function1<Int, T>) {
-  public fun get(index : Int) : T
-  public fun set(index : Int, value : T) : Unit
+    public fun iterator(): ByteIterator
 
-  public fun iterator() : Iterator<T>
-
-  public val indices : IntRange
+    public val indices: IntRange
 }
 
-public class ByteArray(public val size : Int) {
-  public fun get(index : Int) : Byte
-  public fun set(index : Int, value : Byte) : Unit
+public class CharArray(public val size: Int) {
+    public fun get(index: Int): Char
+    public fun set(index: Int, value: Char): Unit
 
-  public fun iterator() : ByteIterator
+    public fun iterator(): CharIterator
 
-  public val indices : IntRange
+    public val indices: IntRange
 }
 
-public class ShortArray(public val size : Int) {
-  public fun get(index : Int) : Short
-  public fun set(index : Int, value : Short) : Unit
+public class ShortArray(public val size: Int) {
+    public fun get(index: Int): Short
+    public fun set(index: Int, value: Short): Unit
 
-  public fun iterator() : ShortIterator
+    public fun iterator(): ShortIterator
 
-  public val indices : IntRange
+    public val indices: IntRange
 }
 
-public class IntArray(public val size : Int) {
-  public fun get(index : Int) : Int
-  public fun set(index : Int, value : Int) : Unit
+public class IntArray(public val size: Int) {
+    public fun get(index: Int): Int
+    public fun set(index: Int, value: Int): Unit
 
-  public fun iterator() : IntIterator
+    public fun iterator(): IntIterator
 
-  public val indices : IntRange
+    public val indices: IntRange
 }
 
-public class LongArray(public val size : Int) {
-  public fun get(index : Int) : Long
-  public fun set(index : Int, value : Long) : Unit
+public class LongArray(public val size: Int) {
+    public fun get(index: Int): Long
+    public fun set(index: Int, value: Long): Unit
 
-  public fun iterator() : LongIterator
+    public fun iterator(): LongIterator
 
-  public val indices : IntRange
+    public val indices: IntRange
 }
 
-public class FloatArray(public val size : Int) {
-  public fun get(index : Int) : Float
-  public fun set(index : Int, value : Float) : Unit
+public class FloatArray(public val size: Int) {
+    public fun get(index: Int): Float
+    public fun set(index: Int, value: Float): Unit
 
-  public fun iterator() : FloatIterator
+    public fun iterator(): FloatIterator
 
-  public val indices : IntRange
+    public val indices: IntRange
 }
 
-public class DoubleArray(public val size : Int) {
-  public fun get(index : Int) : Double
-  public fun set(index : Int, value : Double) : Unit
+public class DoubleArray(public val size: Int) {
+    public fun get(index: Int): Double
+    public fun set(index: Int, value: Double): Unit
 
-  public fun iterator() : DoubleIterator
+    public fun iterator(): DoubleIterator
 
-  public val indices : IntRange
+    public val indices: IntRange
 }
 
-public class CharArray(public val size : Int) {
-  public fun get(index : Int) : Char
-  public fun set(index : Int, value : Char) : Unit
+public class BooleanArray(public val size: Int) {
+    public fun get(index: Int): Boolean
+    public fun set(index: Int, value: Boolean): Unit
 
-  public fun iterator() : CharIterator
+    public fun iterator(): BooleanIterator
 
-  public val indices : IntRange
+    public val indices: IntRange
 }
 
-public class BooleanArray(public val size : Int) {
-  public fun get(index : Int) : Boolean
-  public fun set(index : Int, value : Boolean) : Unit
-
-  public fun iterator() : BooleanIterator
-
-  public val indices : IntRange
-}

core/builtins/native/kotlin/Library.kt

@@ -8,3 +8,5 @@ public fun Any?.equals(other: Any?): Boolean
 public fun Any?.toString(): String
 
 public fun String?.plus(other: Any?): String
+
+public fun arrayOfNulls<T>(size: Int): Array<T?>