| /* |
| * Copyright (c) 2016, 2017, 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 |
| * @modules jdk.compiler |
| * @library /tools/javac/lib |
| * @build NestedTypeVars JavacTestingAbstractProcessor |
| * @compile/process/ref=NestedTypeVars.out -processor NestedTypeVars Test$1L1$L2$1L3$L4$L5 Test$1L1$CCheck Test$1L1 Test$1CCheck Test$CCheck Test |
| */ |
| |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| import javax.annotation.processing.AbstractProcessor; |
| import javax.annotation.processing.RoundEnvironment; |
| import javax.annotation.processing.SupportedAnnotationTypes; |
| import javax.lang.model.SourceVersion; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.ExecutableElement; |
| import javax.lang.model.element.TypeElement; |
| import javax.lang.model.element.TypeParameterElement; |
| import javax.lang.model.type.TypeKind; |
| import javax.lang.model.type.TypeMirror; |
| import javax.lang.model.type.TypeVariable; |
| import javax.lang.model.util.ElementFilter; |
| |
| public class NestedTypeVars extends JavacTestingAbstractProcessor { |
| |
| @Override |
| public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { |
| for (TypeElement te : ElementFilter.typesIn(roundEnv.getRootElements())) { |
| System.out.print(processingEnv.getElementUtils().getBinaryName(te)); |
| System.out.print("<"); |
| String separator = ""; |
| for (TypeParameterElement tp : te.getTypeParameters()) { |
| System.out.print(separator); |
| separator = ", "; |
| System.out.print(tp.getSimpleName()); |
| System.out.print(" extends "); |
| System.out.print(tp.getBounds().stream().map(b -> toString(b)).collect(Collectors.joining("&"))); |
| } |
| System.out.println(">"); |
| for (ExecutableElement m : ElementFilter.methodsIn(te.getEnclosedElements())) { |
| System.out.print(" <"); |
| separator = ""; |
| for (TypeParameterElement tp : m.getTypeParameters()) { |
| System.out.print(separator); |
| separator = ", "; |
| System.out.print(tp.getSimpleName()); |
| System.out.print(" extends "); |
| System.out.print(tp.getBounds(). |
| stream(). |
| map(b -> toString(b)). |
| collect(Collectors.joining("&"))); |
| } |
| System.out.print(">"); |
| System.out.println(m.getSimpleName()); |
| } |
| } |
| |
| return false; |
| } |
| |
| String toString(TypeMirror bound) { |
| if (bound.getKind() == TypeKind.TYPEVAR) { |
| TypeVariable var = (TypeVariable) bound; |
| return toString(var.asElement()); |
| } |
| return bound.toString(); |
| } |
| |
| String toString(Element el) { |
| switch (el.getKind()) { |
| case METHOD: |
| return toString(el.getEnclosingElement()) + "." + el.getSimpleName(); |
| case CLASS: |
| return processingEnv.getElementUtils().getBinaryName((TypeElement) el).toString(); |
| case TYPE_PARAMETER: |
| return toString(((TypeParameterElement) el).getGenericElement()) + "." + el.getSimpleName(); |
| default: |
| throw new IllegalStateException("Unexpected element: " + el + "(" + el.getKind() + ")"); |
| } |
| } |
| } |
| |
| class Test<T1, C> { |
| <T2, C> void m() { |
| class L1<T3, C> { |
| class L2<T4, C> { |
| <T5, C> void m() { |
| class L3<T6, C> { |
| class L4<T7, C> { |
| class L5<T1a extends T1, |
| T2a extends T2, |
| T3a extends T3, |
| T4a extends T4, |
| T5a extends T5, |
| T6a extends T6, |
| T7a extends T7> {} |
| } |
| } |
| } |
| } |
| class CCheck<T extends C> {} |
| <T extends C> void test() {} |
| } |
| class CCheck<T extends C> {} |
| } |
| class CCheck<T extends C> {} |
| <T extends C> void test() {} |
| } |