| /* |
| * Copyright (c) 2015, 2015, 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. |
| */ |
| package org.graalvm.compiler.replacements.verifier; |
| |
| import java.lang.annotation.Annotation; |
| |
| import javax.annotation.processing.ProcessingEnvironment; |
| import javax.lang.model.element.AnnotationMirror; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.ElementKind; |
| import javax.lang.model.element.ExecutableElement; |
| import javax.lang.model.element.Modifier; |
| import javax.tools.Diagnostic.Kind; |
| |
| import org.graalvm.compiler.api.replacements.Fold; |
| |
| public final class FoldVerifier extends AbstractVerifier { |
| |
| public FoldVerifier(ProcessingEnvironment env) { |
| super(env); |
| } |
| |
| @Override |
| public Class<? extends Annotation> getAnnotationClass() { |
| return Fold.class; |
| } |
| |
| @Override |
| public void verify(Element element, AnnotationMirror annotation, PluginGenerator generator) { |
| if (element.getKind() != ElementKind.METHOD) { |
| assert false : "Element is guaranteed to be a method."; |
| return; |
| } |
| |
| ExecutableElement foldMethod = (ExecutableElement) element; |
| if (foldMethod.getModifiers().contains(Modifier.PRIVATE)) { |
| env.getMessager().printMessage(Kind.ERROR, String.format("A @%s method must not be private.", Fold.class.getSimpleName()), element, annotation); |
| } else { |
| generator.addPlugin(new GeneratedFoldPlugin(foldMethod)); |
| } |
| } |
| } |