| /* |
| * Copyright (c) 2010, 2011, 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.util.*; |
| import javax.annotation.processing.*; |
| import javax.lang.model.SourceVersion; |
| import javax.lang.model.util.*; |
| import static javax.lang.model.SourceVersion.*; |
| |
| /** |
| * An abstract annotation processor tailored to javac regression testing. |
| */ |
| public abstract class JavacTestingAbstractProcessor extends AbstractProcessor { |
| private static final Set<String> allAnnotations; |
| |
| static { |
| Set<String> tmp = new HashSet<>(); |
| tmp.add("*"); |
| allAnnotations = Collections.unmodifiableSet(tmp); |
| } |
| |
| protected Elements eltUtils; |
| protected Elements elements; |
| protected Types typeUtils; |
| protected Types types; |
| protected Filer filer; |
| protected Messager messager; |
| protected Map<String, String> options; |
| |
| /** |
| * Constructor for subclasses to call. |
| */ |
| protected JavacTestingAbstractProcessor() { |
| super(); |
| } |
| |
| /** |
| * Return the latest source version. Unless this method is |
| * overridden, an {@code IllegalStateException} will be thrown if a |
| * subclass has a {@code SupportedSourceVersion} annotation. |
| */ |
| @Override |
| public SourceVersion getSupportedSourceVersion() { |
| SupportedSourceVersion ssv = this.getClass().getAnnotation(SupportedSourceVersion.class); |
| if (ssv != null) |
| throw new IllegalStateException("SupportedSourceVersion annotation not supported here."); |
| |
| return SourceVersion.latest(); |
| } |
| |
| /** |
| * If the processor class is annotated with {@link |
| * SupportedAnnotationTypes}, return an unmodifiable set with the |
| * same set of strings as the annotation. If the class is not so |
| * annotated, a one-element set containing {@code "*"} is returned |
| * to indicate all annotations are processed. |
| * |
| * @return the names of the annotation types supported by this |
| * processor, or an empty set if none |
| */ |
| @Override |
| public Set<String> getSupportedAnnotationTypes() { |
| SupportedAnnotationTypes sat = this.getClass().getAnnotation(SupportedAnnotationTypes.class); |
| if (sat != null) |
| return super.getSupportedAnnotationTypes(); |
| else |
| return allAnnotations; |
| } |
| |
| @Override |
| public void init(ProcessingEnvironment processingEnv) { |
| super.init(processingEnv); |
| elements = eltUtils = processingEnv.getElementUtils(); |
| types = typeUtils = processingEnv.getTypeUtils(); |
| filer = processingEnv.getFiler(); |
| messager = processingEnv.getMessager(); |
| options = processingEnv.getOptions(); |
| } |
| |
| /* |
| * The set of visitors below will directly extend the most recent |
| * corresponding platform visitor type. |
| */ |
| |
| @SupportedSourceVersion(RELEASE_8) |
| public static abstract class AbstractAnnotationValueVisitor<R, P> extends AbstractAnnotationValueVisitor8<R, P> { |
| |
| /** |
| * Constructor for concrete subclasses to call. |
| */ |
| protected AbstractAnnotationValueVisitor() { |
| super(); |
| } |
| } |
| |
| @SupportedSourceVersion(RELEASE_8) |
| public static abstract class AbstractElementVisitor<R, P> extends AbstractElementVisitor8<R, P> { |
| /** |
| * Constructor for concrete subclasses to call. |
| */ |
| protected AbstractElementVisitor(){ |
| super(); |
| } |
| } |
| |
| @SupportedSourceVersion(RELEASE_8) |
| public static abstract class AbstractTypeVisitor<R, P> extends AbstractTypeVisitor8<R, P> { |
| /** |
| * Constructor for concrete subclasses to call. |
| */ |
| protected AbstractTypeVisitor() { |
| super(); |
| } |
| } |
| |
| @SupportedSourceVersion(RELEASE_8) |
| public static class ElementKindVisitor<R, P> extends ElementKindVisitor8<R, P> { |
| /** |
| * Constructor for concrete subclasses; uses {@code null} for the |
| * default value. |
| */ |
| protected ElementKindVisitor() { |
| super(null); |
| } |
| |
| /** |
| * Constructor for concrete subclasses; uses the argument for the |
| * default value. |
| * |
| * @param defaultValue the value to assign to {@link #DEFAULT_VALUE} |
| */ |
| protected ElementKindVisitor(R defaultValue) { |
| super(defaultValue); |
| } |
| } |
| |
| @SupportedSourceVersion(RELEASE_8) |
| public static class ElementScanner<R, P> extends ElementScanner8<R, P> { |
| /** |
| * Constructor for concrete subclasses; uses {@code null} for the |
| * default value. |
| */ |
| protected ElementScanner(){ |
| super(null); |
| } |
| |
| /** |
| * Constructor for concrete subclasses; uses the argument for the |
| * default value. |
| */ |
| protected ElementScanner(R defaultValue){ |
| super(defaultValue); |
| } |
| } |
| |
| @SupportedSourceVersion(RELEASE_8) |
| public static class SimpleAnnotationValueVisitor<R, P> extends SimpleAnnotationValueVisitor8<R, P> { |
| /** |
| * Constructor for concrete subclasses; uses {@code null} for the |
| * default value. |
| */ |
| protected SimpleAnnotationValueVisitor() { |
| super(null); |
| } |
| |
| /** |
| * Constructor for concrete subclasses; uses the argument for the |
| * default value. |
| * |
| * @param defaultValue the value to assign to {@link #DEFAULT_VALUE} |
| */ |
| protected SimpleAnnotationValueVisitor(R defaultValue) { |
| super(defaultValue); |
| } |
| } |
| |
| @SupportedSourceVersion(RELEASE_8) |
| public static class SimpleElementVisitor<R, P> extends SimpleElementVisitor8<R, P> { |
| /** |
| * Constructor for concrete subclasses; uses {@code null} for the |
| * default value. |
| */ |
| protected SimpleElementVisitor(){ |
| super(null); |
| } |
| |
| /** |
| * Constructor for concrete subclasses; uses the argument for the |
| * default value. |
| * |
| * @param defaultValue the value to assign to {@link #DEFAULT_VALUE} |
| */ |
| protected SimpleElementVisitor(R defaultValue){ |
| super(defaultValue); |
| } |
| } |
| |
| @SupportedSourceVersion(RELEASE_8) |
| public static class SimpleTypeVisitor<R, P> extends SimpleTypeVisitor8<R, P> { |
| /** |
| * Constructor for concrete subclasses; uses {@code null} for the |
| * default value. |
| */ |
| protected SimpleTypeVisitor(){ |
| super(null); |
| } |
| |
| /** |
| * Constructor for concrete subclasses; uses the argument for the |
| * default value. |
| * |
| * @param defaultValue the value to assign to {@link #DEFAULT_VALUE} |
| */ |
| protected SimpleTypeVisitor(R defaultValue){ |
| super(defaultValue); |
| } |
| } |
| |
| @SupportedSourceVersion(RELEASE_8) |
| public static class TypeKindVisitor<R, P> extends TypeKindVisitor8<R, P> { |
| /** |
| * Constructor for concrete subclasses to call; uses {@code null} |
| * for the default value. |
| */ |
| protected TypeKindVisitor() { |
| super(null); |
| } |
| |
| /** |
| * Constructor for concrete subclasses to call; uses the argument |
| * for the default value. |
| * |
| * @param defaultValue the value to assign to {@link #DEFAULT_VALUE} |
| */ |
| protected TypeKindVisitor(R defaultValue) { |
| super(defaultValue); |
| } |
| } |
| } |