Move built-in companion intrinsics to core to reuse in reflection

core/descriptor.loader.java/src/org/jetbrains/kotlin/builtins/jvm/IntrinsicObjects.kt

@@ -0,0 +1,35 @@
+/*
+ * 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 org.jetbrains.kotlin.builtins.jvm
+
+import org.jetbrains.kotlin.builtins.CompanionObjectMapping
+import org.jetbrains.kotlin.descriptors.ClassDescriptor
+import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.name.Name
+import kotlin.platform.platformStatic
+
+public object IntrinsicObjects : CompanionObjectMapping() {
+    private val kotlinJvmInternal = FqName("kotlin.jvm.internal")
+
+    public platformStatic fun mapType(classDescriptor: ClassDescriptor): FqName? {
+        if (!hasMappingToObject(classDescriptor)) return null
+
+        val containingDeclaration = classDescriptor.getContainingDeclaration()
+        val name = Name.identifier(containingDeclaration.getName().asString() + "CompanionObject")
+        return kotlinJvmInternal.child(name)
+    }
+}