Intrinsic default objects implementation

core/builtins/native/kotlin/Enum.kt

@@ -22,6 +22,8 @@ package kotlin
  * information on enum classes.
  */
 public abstract class Enum<E : Enum<E>>(name: String, ordinal: Int): Comparable<E> {
+    class object {}
+
     /**
      * Returns the name of this enum constant, exactly as declared in its enum declaration.
      */

core/builtins/native/kotlin/Numbers.kt

@@ -61,6 +61,8 @@ public abstract class Number {
  * values of this type are represented as values of the primitive type `double`.
  */
 public class Double private () : Number, Comparable<Double> {
+    class object : FloatingPointConstants<Double> {}
+
     public override fun compareTo(other: Double): Int
     public fun compareTo(other: Float): Int
     public fun compareTo(other: Long) : Int
@@ -135,6 +137,8 @@ public class Double private () : Number, Comparable<Double> {
  * values of this type are represented as values of the primitive type `float`.
  */
 public class Float private () : Number, Comparable<Float> {
+    class object : FloatingPointConstants<Float> {}
+
     public fun compareTo(other: Double): Int
     public override fun compareTo(other: Float): Int
     public fun compareTo(other: Long)  : Int
@@ -210,6 +214,8 @@ public class Float private () : Number, Comparable<Float> {
  * as values of the primitive type `long`.
  */
 public class Long private () : Number, Comparable<Long> {
+    class object {}
+
     public fun compareTo(other: Double): Int
     public fun compareTo(other: Float) : Int
     public override fun compareTo(other: Long): Int
@@ -293,6 +299,8 @@ public class Long private () : Number, Comparable<Long> {
  * as values of the primitive type `int`.
  */
 public class Int private () : Number, Comparable<Int> {
+    class object {}
+
     public fun compareTo(other: Double): Int
     public fun compareTo(other: Float) : Int
     public fun compareTo(other: Long)  : Int
@@ -376,6 +384,8 @@ public class Int private () : Number, Comparable<Int> {
  * as values of the primitive type `short`.
  */
 public class Short private () : Number, Comparable<Short> {
+    class object {}
+
     public fun compareTo(other: Double): Int
     public fun compareTo(other: Float) : Int
     public fun compareTo(other: Long)  : Int
@@ -451,6 +461,8 @@ public class Short private () : Number, Comparable<Short> {
  * as values of the primitive type `byte`.
  */
 public class Byte private () : Number, Comparable<Byte> {
+    class object {}
+
     public fun compareTo(other: Double): Int
     public fun compareTo(other: Float) : Int
     public fun compareTo(other: Long)  : Int

core/builtins/native/kotlin/String.kt

@@ -21,6 +21,8 @@ package kotlin
  * implemented as instances of this class.
  */
 public class String : Comparable<String>, CharSequence {
+    class object {}
+    
     /**
      * Returns a string obtained by concatenating this string with the string representation of the given [other] object.
      */

core/builtins/src/kotlin/FloatingPointConstants.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-2015 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.
+ */
+
+package kotlin
+
+public trait FloatingPointConstants<T> {
+    public val POSITIVE_INFINITY: T
+    public val NEGATIVE_INFINITY: T
+    public val NaN: T
+}

core/runtime.jvm/src/kotlin/jvm/internal/PrimitiveDefaultObjects.kt

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2010-2015 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.
+ */
+
+package kotlin.jvm.internal
+
+private object DoubleDefaultObject : FloatingPointConstants<Double> {
+    override val POSITIVE_INFINITY : Double = java.lang.Double.POSITIVE_INFINITY
+    override val NEGATIVE_INFINITY : Double = java.lang.Double.NEGATIVE_INFINITY
+    override val NaN : Double = java.lang.Double.NaN
+}
+
+private object FloatDefaultObject : FloatingPointConstants<Float> {
+    override val POSITIVE_INFINITY : Float = java.lang.Float.POSITIVE_INFINITY
+    override val NEGATIVE_INFINITY : Float = java.lang.Float.NEGATIVE_INFINITY
+    override val NaN : Float = java.lang.Float.NaN
+}
+
+private object IntDefaultObject {}
+private object LongDefaultObject {}
+private object ShortDefaultObject {}
+private object ByteDefaultObject {}
+
+private object StringDefaultObject {}
+private object EnumDefaultObject {}