Support KClass.jvmName = java.lang.Class.getName()

compiler/testData/codegen/boxWithStdlib/reflection/classes/jvmName.kt

@@ -0,0 +1,41 @@
+import kotlin.test.assertEquals
+import kotlin.test.assertTrue
+import kotlin.reflect.jvm.jvmName
+import kotlin.reflect.jvm.kotlin
+
+class Klass {
+    class Nested
+    companion object
+}
+
+fun box(): String {
+    assertEquals("Klass", Klass::class.jvmName)
+    assertEquals("Klass\$Nested", Klass.Nested::class.jvmName)
+    assertEquals("Klass\$Companion", Klass.Companion::class.jvmName)
+
+    assertEquals("java.lang.Object", Any::class.jvmName)
+    assertEquals("int", Int::class.jvmName)
+    assertEquals("[I", IntArray::class.jvmName)
+    assertEquals("java.util.List", List::class.jvmName)
+    assertEquals("java.util.List", MutableList::class.jvmName)
+    assertEquals("java.lang.String", String::class.jvmName)
+    assertEquals("java.lang.String", java.lang.String::class.jvmName)
+
+    assertEquals("[Ljava.lang.Object;", Array<Any>::class.jvmName)
+    assertEquals("[Ljava.lang.Integer;", Array<Int>::class.jvmName)
+    assertEquals("[[Ljava.lang.String;", Array<Array<String>>::class.jvmName)
+
+    assertEquals("java.util.Date", java.util.Date::class.jvmName)
+    assertEquals("kotlin.jvm.internal.KotlinSyntheticClass\$Kind", kotlin.jvm.internal.KotlinSyntheticClass.Kind::class.jvmName)
+    assertEquals("java.lang.Void", java.lang.Void::class.jvmName)
+
+    class Local
+    val l = Local::class.jvmName
+    assertTrue(l != null && l.startsWith("_DefaultPackage\$") && "\$box\$" in l && l.endsWith("\$Local"))
+
+    val obj = object {}
+    val o = obj.javaClass.kotlin.jvmName
+    assertTrue(o != null && o.startsWith("_DefaultPackage\$") && "\$box\$" in o && o.endsWith("\$1"))
+
+    return "OK"
+}

compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxWithStdlibCodegenTestGenerated.java

@@ -2802,6 +2802,12 @@ public class BlackBoxWithStdlibCodegenTestGenerated extends AbstractBlackBoxCode
                 doTestWithStdlib(fileName);
             }
 
+            @TestMetadata("jvmName.kt")
+            public void testJvmName() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/boxWithStdlib/reflection/classes/jvmName.kt");
+                doTestWithStdlib(fileName);
+            }
+
             @TestMetadata("localClassSimpleName.kt")
             public void testLocalClassSimpleName() throws Exception {
                 String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/boxWithStdlib/reflection/classes/localClassSimpleName.kt");

core/reflection.jvm/src/kotlin/reflect/jvm/classes.kt

@@ -0,0 +1,30 @@
+/*
+ * 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.reflect.jvm
+
+import kotlin.reflect.KClass
+import kotlin.reflect.jvm.internal.KClassImpl
+
+/**
+ * Returns the JVM name of the class represented by this [KClass] instance.
+ *
+ * @see [java.lang.Class.getName]
+ */
+public val KClass<*>.jvmName: String
+    get() {
+        return (this as KClassImpl).jClass.getName()
+    }