8038080: annotation processors don't visit declaration parameter annotations

Reviewed-by: darcy
Contributed-by: cushon@google.com, joel.franck@oracle.com

src/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java

@@ -762,14 +762,14 @@ public class JavacProcessingEnvironment implements ProcessingEnvironment, Closea
         public Set<TypeElement> visitType(TypeElement e, Set<TypeElement> p) {
             // Type parameters are not considered to be enclosed by a type
             scan(e.getTypeParameters(), p);
-            return scan(e.getEnclosedElements(), p);
+            return super.visitType(e, p);
         }
 
         @Override
         public Set<TypeElement> visitExecutable(ExecutableElement e, Set<TypeElement> p) {
             // Type parameters are not considered to be enclosed by an executable
             scan(e.getTypeParameters(), p);
-            return scan(e.getEnclosedElements(), p);
+            return super.visitExecutable(e, p);
         }
 
         void addAnnotations(Element e, Set<TypeElement> p) {

src/share/classes/com/sun/tools/javac/processing/JavacRoundEnvironment.java

@@ -137,14 +137,14 @@ public class JavacRoundEnvironment implements RoundEnvironment {
         public Set<Element> visitType(TypeElement e, TypeElement p) {
             // Type parameters are not considered to be enclosed by a type
             scan(e.getTypeParameters(), p);
-            return scan(e.getEnclosedElements(), p);
+            return super.visitType(e, p);
         }
 
         @Override
         public Set<Element> visitExecutable(ExecutableElement e, TypeElement p) {
             // Type parameters are not considered to be enclosed by an executable
             scan(e.getTypeParameters(), p);
-            return scan(e.getEnclosedElements(), p);
+            return super.visitExecutable(e, p);
         }
 
         @Override

test/tools/javac/processing/environment/ProcessingEnvAnnoDiscovery.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8038080
+ * @summary make sure that all declaration annotations are discovered
+ *          by the processing environment
+ * @library /tools/javac/lib
+ * @build JavacTestingAbstractProcessor ProcessingEnvAnnoDiscovery
+ * @compile/process -processor ProcessingEnvAnnoDiscovery ProcessingEnvAnnoDiscovery.java
+ */
+
+import java.lang.annotation.*;
+import java.util.Set;
+import javax.annotation.processing.*;
+import javax.lang.model.element.*;
+
+import com.sun.tools.javac.util.*;
+
+@ProcessingEnvAnnoDiscovery.Anno1
+public class ProcessingEnvAnnoDiscovery<@ProcessingEnvAnnoDiscovery.Anno4 T>
+        extends JavacTestingAbstractProcessor {
+    private int round = 0;
+
+    public boolean process(Set<? extends TypeElement> annos, RoundEnvironment rEnv) {
+        if (round++ == 0) {
+            System.out.println(annos);
+            Assert.check(annos.contains(eltUtils.getTypeElement("java.lang.annotation.Target")));
+            Assert.check(annos.contains(eltUtils.getTypeElement("ProcessingEnvAnnoDiscovery.Anno1")));
+            Assert.check(annos.contains(eltUtils.getTypeElement("ProcessingEnvAnnoDiscovery.Anno2")));
+            Assert.check(annos.contains(eltUtils.getTypeElement("ProcessingEnvAnnoDiscovery.Anno3")));
+            Assert.check(annos.contains(eltUtils.getTypeElement("ProcessingEnvAnnoDiscovery.Anno4")));
+            Assert.check(annos.contains(eltUtils.getTypeElement("ProcessingEnvAnnoDiscovery.Anno5")));
+            Assert.check(annos.size() == 6, "Found extra annotations"); //Anno1-5 + @Target
+        }
+
+        return true;
+    }
+
+    @Anno2
+    public <@Anno5 K> K m(@Anno3 long foo) {
+        return null;
+    }
+
+    @interface Anno1 {}
+
+    @interface Anno2 {}
+
+    @interface Anno3 {}
+
+    @Target(ElementType.TYPE_PARAMETER)
+    @interface Anno4 {}
+
+    @Target(ElementType.TYPE_PARAMETER)
+    @interface Anno5 {}
+
+}

test/tools/javac/processing/environment/round/Anno.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.lang.annotation.*;
+import static java.lang.annotation.RetentionPolicy.*;
+
+@Retention(RUNTIME)
+public @interface Anno {}

test/tools/javac/processing/environment/round/ParameterAnnotations.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * Class to hold annotations for ElementsAnnotatedWithTest.
+ */
+
+@AnnotatedElementInfo(annotationName="Anno",
+                      expectedSize=1,
+                      names={"annotatedParameter"})
+public class ParameterAnnotations {
+    private void foo(@Anno Object annotatedParameter) {}
+}

test/tools/javac/processing/environment/round/TestElementsAnnotatedWith.java

@@ -23,7 +23,7 @@
 
 /*
  * @test
- * @bug 6397298 6400986 6425592 6449798 6453386 6508401 6498938 6911854 8030049
+ * @bug 6397298 6400986 6425592 6449798 6453386 6508401 6498938 6911854 8030049 8038080
  * @summary Tests that getElementsAnnotatedWith works properly.
  * @author  Joseph D. Darcy
  * @library /tools/javac/lib
@@ -31,12 +31,14 @@
  * @compile TestElementsAnnotatedWith.java
  * @compile InheritedAnnotation.java
  * @compile TpAnno.java
+ * @compile Anno.java
  * @compile -processor TestElementsAnnotatedWith -proc:only SurfaceAnnotations.java
  * @compile -processor TestElementsAnnotatedWith -proc:only BuriedAnnotations.java
  * @compile -processor TestElementsAnnotatedWith -proc:only Part1.java Part2.java
  * @compile -processor TestElementsAnnotatedWith -proc:only C2.java
  * @compile -processor TestElementsAnnotatedWith -proc:only Foo.java
  * @compile -processor TestElementsAnnotatedWith -proc:only TypeParameterAnnotations.java
+ * @compile -processor TestElementsAnnotatedWith -proc:only ParameterAnnotations.java
  * @compile/fail/ref=ErroneousAnnotations.out -processor TestElementsAnnotatedWith -proc:only -XDrawDiagnostics ErroneousAnnotations.java
  * @compile Foo.java
  * @compile/process -processor TestElementsAnnotatedWith -proc:only Foo