| /* |
| * Copyright 2016 Google Inc. 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 static java.util.stream.Collectors.toCollection; |
| |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Set; |
| import javax.annotation.processing.RoundEnvironment; |
| import javax.annotation.processing.SupportedAnnotationTypes; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.ExecutableElement; |
| import javax.lang.model.element.TypeElement; |
| import javax.tools.Diagnostic.Kind; |
| |
| /* |
| * @test |
| * @bug 8170667 |
| * @summary ClassReader assigns method parameters from MethodParameters incorrectly when long/double |
| * parameters are present |
| * @library /tools/javac/lib |
| * @modules java.compiler |
| * jdk.compiler |
| * @compile -parameters ParameterProcessor.java |
| * @compile/process -proc:only -processor ParameterProcessor ParameterProcessor |
| */ |
| @SupportedAnnotationTypes("ParameterProcessor.ParameterNames") |
| public class ParameterProcessor extends JavacTestingAbstractProcessor { |
| |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target(ElementType.METHOD) |
| @interface ParameterNames { |
| String[] value() default {}; |
| } |
| |
| @ParameterProcessor.ParameterNames({"a", "b", "c"}) |
| void f(int a, int b, int c) {} |
| |
| @ParameterProcessor.ParameterNames({"d", "e", "f"}) |
| void g(int d, long e, int f) {} |
| |
| @ParameterProcessor.ParameterNames({"g", "h", "i", "j"}) |
| void h(int g, double h, int i, int j) {} |
| |
| @Override |
| public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { |
| for (Element element : roundEnv.getElementsAnnotatedWith(ParameterNames.class)) { |
| ParameterNames names = element.getAnnotation(ParameterNames.class); |
| if (names == null) { |
| continue; |
| } |
| List<String> expected = Arrays.asList(names.value()); |
| List<String> actual = |
| ((ExecutableElement) element) |
| .getParameters() |
| .stream() |
| .map(p -> p.getSimpleName().toString()) |
| .collect(toCollection(ArrayList::new)); |
| if (!expected.equals(actual)) { |
| String message = |
| String.format( |
| "bad parameter names for %s#%s; expected: %s, was: %s", |
| element, element, expected, actual); |
| messager.printMessage(Kind.ERROR, message); |
| } |
| } |
| return false; |
| } |
| } |