35439dec91
Clearing synthetic constructors and super constructor calls between annotation processing rounds. Reviewed-by: jjg
112 lines
4.7 KiB
Java
112 lines
4.7 KiB
Java
/*
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* Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8038455 8047347
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* @summary Verify that in-method ClassSymbols from one round do not affect ClassSymbols in
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* following rounds.
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* @library /tools/javac/lib
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* @modules jdk.compiler
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* @build JavacTestingAbstractProcessor OnDemandAttribution
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* @clean Gen
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* @compile/process -processor OnDemandAttribution OnDemandAttributionData.java
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*/
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import java.io.IOException;
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import java.io.Writer;
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import java.util.*;
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import javax.annotation.processing.*;
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import javax.lang.model.element.*;
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import static javax.lang.model.util.ElementFilter.constructorsIn;
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import com.sun.source.tree.*;
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import com.sun.source.util.*;
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public class OnDemandAttribution extends JavacTestingAbstractProcessor {
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public OnDemandAttribution() {
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}
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int round;
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Set<String> roots = new HashSet<>();
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public boolean process(Set<? extends TypeElement> annos,RoundEnvironment rEnv) {
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for (Element root : rEnv.getRootElements()) {
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while (root.getEnclosingElement().getKind() != ElementKind.PACKAGE) {
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root = root.getEnclosingElement();
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}
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roots.add(((TypeElement) root).getQualifiedName().toString());
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}
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for (String root : roots) {
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TypeElement currentClass = elements.getTypeElement(root);
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ExecutableElement constr = constructorsIn(currentClass.getEnclosedElements()).get(0);
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Trees trees = Trees.instance(processingEnv);
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TreePath path = trees.getPath(constr);
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new TreePathScanner<Void, Void>() {
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@Override public Void visitClass(ClassTree node, Void p) {
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if (node.getSimpleName().contentEquals("Local")) {
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//will also attribute the body on demand:
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Element el = trees.getElement(getCurrentPath());
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Name binaryName = elements.getBinaryName((TypeElement) el);
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if (!binaryName.contentEquals("OnDemandAttributionData$1Local")) {
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throw new IllegalStateException("Incorrect binary name=" + binaryName);
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}
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}
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return super.visitClass(node, p);
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}
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@Override public Void visitNewClass(NewClassTree node, Void p) {
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Element el = trees.getElement(getCurrentPath());
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Name binaryName = elements.getBinaryName((TypeElement) el.getEnclosingElement());
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if (!binaryName.contentEquals("OnDemandAttributionData$1")) {
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throw new IllegalStateException("Incorrect binary name=" + binaryName);
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}
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return super.visitNewClass(node, p);
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}
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@Override
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public Void visitMethodInvocation(MethodInvocationTree node, Void p) {
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if (trees.getElement(getCurrentPath()) == null)
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throw new IllegalStateException("No element for: " + node);
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return super.visitMethodInvocation(node, p);
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}
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@Override
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public Void visitIdentifier(IdentifierTree node, Void p) {
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if (trees.getElement(getCurrentPath()) == null)
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throw new IllegalStateException("No element for: " + node);
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return super.visitIdentifier(node, p);
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}
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}.scan(path, null);
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}
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if (round++ == 0) {
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try (Writer out = filer.createSourceFile("Gen").openWriter()) {
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out.write("class Gen { public static long C = 1; }");
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} catch (IOException ex) {
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throw new IllegalStateException(ex);
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}
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}
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return true;
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}
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}
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