Introduce KAnnotatedElement and val annotations: List<Annotation>

core/builtins/src/kotlin/reflect/KAnnotatedElement.kt

@@ -0,0 +1,29 @@
+/*
+ * 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
+
+/**
+ * Represents an annotated element and allows to obtain its annotations.
+ * See the [Kotlin language documentation](http://kotlinlang.org/docs/reference/annotations.html)
+ * for more information.
+ */
+public interface KAnnotatedElement {
+    /**
+     * Annotations which are present on this element.
+     */
+    public val annotations: List<Annotation>
+}

core/builtins/src/kotlin/reflect/KCallable.kt

@@ -21,7 +21,7 @@ package kotlin.reflect
  *
  * @param R return type of the callable.
  */
-public interface KCallable<out R> {
+public interface KCallable<out R> : KAnnotatedElement {
     /**
      * The name of this callable as it was declared in the source code.
      * If the callable has no name, a special invented name is created.

core/builtins/src/kotlin/reflect/KClass.kt

@@ -24,7 +24,7 @@ package kotlin.reflect
  *
  * @param T the type of the class.
  */
-public interface KClass<T> : KDeclarationContainer {
+public interface KClass<T> : KDeclarationContainer, KAnnotatedElement {
     /**
      * The simple name of the class as it was declared in the source code,
      * or `null` if the class has no name (if, for example, it is an anonymous object literal).

core/builtins/src/kotlin/reflect/KParameter.kt

@@ -20,7 +20,7 @@ package kotlin.reflect
  * Represents a parameter passed to a function or a property getter/setter,
  * including `this` and extension receiver parameters.
  */
-public interface KParameter {
+public interface KParameter : KAnnotatedElement {
     /**
      * 0-based index of this parameter in the parameter list of its containing callable.
      */