| /* |
| * Copyright (c) 2013, 2018, 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.processor; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import javax.annotation.processing.RoundEnvironment; |
| import javax.lang.model.SourceVersion; |
| import javax.lang.model.element.AnnotationMirror; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.TypeElement; |
| import javax.tools.Diagnostic.Kind; |
| |
| import org.graalvm.compiler.processor.AbstractProcessor; |
| |
| /** |
| * Processor for annotation types in the {@code org.graalvm.compiler.replacements} name space. |
| */ |
| public class ReplacementsAnnotationProcessor extends AbstractProcessor { |
| |
| private List<AnnotationHandler> handlers; |
| |
| @Override |
| public SourceVersion getSupportedSourceVersion() { |
| return SourceVersion.latest(); |
| } |
| |
| @Override |
| public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { |
| if (!roundEnv.processingOver()) { |
| PluginGenerator generator = new PluginGenerator(); |
| for (AnnotationHandler handler : getHandlers()) { |
| TypeElement annotationClass = getTypeElementOrNull(handler.annotationTypeName); |
| if (annotationClass != null) { |
| for (Element e : roundEnv.getElementsAnnotatedWith(annotationClass)) { |
| AnnotationMirror annotationMirror = getAnnotation(e, annotationClass.asType()); |
| handler.process(e, annotationMirror, generator); |
| } |
| } else { |
| Set<? extends Element> roots = roundEnv.getRootElements(); |
| String message = String.format("Processor %s disabled as %s is not resolvable on the compilation class path", handler.getClass().getName(), handler.annotationTypeName); |
| if (roots.isEmpty()) { |
| env().getMessager().printMessage(Kind.WARNING, message); |
| } else { |
| env().getMessager().printMessage(Kind.WARNING, message, roots.iterator().next()); |
| } |
| } |
| } |
| generator.generateAll(this); |
| } |
| return false; |
| } |
| |
| public List<AnnotationHandler> getHandlers() { |
| if (handlers == null) { |
| handlers = new ArrayList<>(); |
| handlers.add(new ClassSubstitutionHandler(this)); |
| handlers.add(new MethodSubstitutionHandler(this)); |
| handlers.add(new NodeIntrinsicHandler(this)); |
| handlers.add(new FoldHandler(this)); |
| } |
| return handlers; |
| } |
| |
| @Override |
| public Set<String> getSupportedAnnotationTypes() { |
| Set<String> annotationTypes = new HashSet<>(); |
| for (AnnotationHandler handler : getHandlers()) { |
| annotationTypes.add(handler.annotationTypeName); |
| } |
| return annotationTypes; |
| } |
| } |