Do not hide annotations on light classes

compiler/jet.as.java.psi/src/org/jetbrains/jet/asJava/KotlinLightClassForExplicitDeclaration.java

@@ -398,7 +398,7 @@ public class KotlinLightClassForExplicitDeclaration extends KotlinWrappingLightC
     @Override
     public PsiModifierList getModifierList() {
         if (modifierList == null) {
-            modifierList = new LightModifierList(getManager(), JetLanguage.INSTANCE, computeModifiers());
+            modifierList = new KotlinLightModifierList(KotlinLightClassForExplicitDeclaration.this.computeModifiers());
         }
         return modifierList;
     }
@@ -576,4 +576,38 @@ public class KotlinLightClassForExplicitDeclaration extends KotlinWrappingLightC
 
         return false;
     }
+
+    private class KotlinLightModifierList extends LightModifierList {
+        public KotlinLightModifierList(@NotNull String[] modifiers) {
+            super(KotlinLightClassForExplicitDeclaration.this.getManager(), JetLanguage.INSTANCE, modifiers);
+        }
+
+        private PsiAnnotationOwner getDelegate() {
+            return KotlinLightClassForExplicitDeclaration.this.getDelegate().getModifierList();
+        }
+
+        @Override
+        @NotNull
+        public PsiAnnotation[] getAnnotations() {
+            return getDelegate().getAnnotations();
+        }
+
+        @Override
+        @NotNull
+        public PsiAnnotation[] getApplicableAnnotations() {
+            return getDelegate().getApplicableAnnotations();
+        }
+
+        @Override
+        @Nullable
+        public PsiAnnotation findAnnotation(@NotNull @NonNls String qualifiedName) {
+            return getDelegate().findAnnotation(qualifiedName);
+        }
+
+        @Override
+        @NotNull
+        public PsiAnnotation addAnnotation(@NotNull @NonNls String qualifiedName) {
+            return getDelegate().addAnnotation(qualifiedName);
+        }
+    }
 }

compiler/testData/asJava/annotations/ExtraAnnotations.annotations.txt

@@ -0,0 +1 @@
+@Foo(s = "...")

compiler/testData/asJava/annotations/ExtraAnnotations.kt

@@ -0,0 +1,4 @@
+annotation class Foo(val s: String)
+
+[Foo("...")]
+class ExtraAnnotations

compiler/testData/asJava/annotations/NestedClass.annotations.txt

@@ -0,0 +1 @@
+@Ann

compiler/testData/asJava/annotations/NestedClass.kt

@@ -0,0 +1,5 @@
+annotation class Ann
+
+class Outer {
+    Ann class Nested
+}

compiler/tests/org/jetbrains/jet/asJava/LightClassAnnotationsTest.java

@@ -0,0 +1,69 @@
+/*
+ * 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.
+ */
+
+package org.jetbrains.jet.asJava;
+
+import com.intellij.psi.PsiAnnotation;
+import com.intellij.psi.PsiClass;
+import com.intellij.psi.PsiModifierList;
+import com.intellij.psi.search.GlobalSearchScope;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.jet.JetTestUtils;
+import org.jetbrains.jet.cli.jvm.JVMConfigurationKeys;
+import org.jetbrains.jet.config.CompilerConfiguration;
+
+import java.io.File;
+import java.util.Collections;
+import java.util.List;
+
+public class LightClassAnnotationsTest extends KotlinAsJavaTestBase {
+    private final File testDir = new File("compiler/testData/asJava/annotations");
+
+    @Override
+    protected List<File> getKotlinSourceRoots() {
+        return Collections.singletonList(new File(testDir, getTestName(false) + ".kt"));
+    }
+
+    @Override
+    protected void extraConfiguration(@NotNull CompilerConfiguration configuration) {
+        configuration.add(JVMConfigurationKeys.CLASSPATH_KEY, JetTestUtils.getAnnotationsJar());
+    }
+
+    public void testExtraAnnotations() throws Exception {
+        doTest(getTestName(false));
+    }
+
+    public void testNestedClass() throws Exception {
+        doTest("Outer.Nested");
+    }
+
+    private void doTest(@NotNull String fqName) {
+        PsiClass psiClass = finder.findClass(fqName, GlobalSearchScope.allScope(getProject()));
+        if (!(psiClass instanceof KotlinLightClass)) {
+            throw new IllegalStateException("Not a light class: " + psiClass + " (" + fqName + ")");
+        }
+
+        PsiModifierList modifierList = psiClass.getModifierList();
+        assert modifierList != null : "No modifier list for " + psiClass.getText();
+
+        StringBuilder sb = new StringBuilder();
+        for (PsiAnnotation annotation : modifierList.getAnnotations()) {
+            sb.append(annotation.getText()).append("\n");
+        }
+
+        JetTestUtils.assertEqualsToFile(new File(testDir, getTestName(false) + ".annotations.txt"), sb.toString());
+    }
+}