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/*
* Copyright (c) 2014, 2016, 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.
*/
/*
* @test
* @bug 8038455 8047347
* @summary Verify that in-method ClassSymbols from one round do not affect ClassSymbols in
* following rounds.
* @library /tools/javac/lib
* @modules jdk.compiler
* @build JavacTestingAbstractProcessor OnDemandAttribution
* @clean Gen
* @compile/process -processor OnDemandAttribution OnDemandAttributionData.java
*/
import java.io.IOException;
import java.io.Writer;
import java.util.*;
import javax.annotation.processing.*;
import javax.lang.model.element.*;
import static javax.lang.model.util.ElementFilter.constructorsIn;
import com.sun.source.tree.*;
import com.sun.source.util.*;
public class OnDemandAttribution extends JavacTestingAbstractProcessor {
public OnDemandAttribution() {
}
int round;
Set<String> roots = new HashSet<>();
public boolean process(Set<? extends TypeElement> annos,RoundEnvironment rEnv) {
for (Element root : rEnv.getRootElements()) {
while (root.getEnclosingElement().getKind() != ElementKind.PACKAGE) {
root = root.getEnclosingElement();
}
roots.add(((TypeElement) root).getQualifiedName().toString());
}
for (String root : roots) {
TypeElement currentClass = elements.getTypeElement(root);
ExecutableElement constr = constructorsIn(currentClass.getEnclosedElements()).get(0);
Trees trees = Trees.instance(processingEnv);
TreePath path = trees.getPath(constr);
new TreePathScanner<Void, Void>() {
@Override public Void visitClass(ClassTree node, Void p) {
if (node.getSimpleName().contentEquals("Local")) {
//will also attribute the body on demand:
Element el = trees.getElement(getCurrentPath());
Name binaryName = elements.getBinaryName((TypeElement) el);
if (!binaryName.contentEquals("OnDemandAttributionData$1Local")) {
throw new IllegalStateException("Incorrect binary name=" + binaryName);
}
}
return super.visitClass(node, p);
}
@Override public Void visitNewClass(NewClassTree node, Void p) {
Element el = trees.getElement(getCurrentPath());
Name binaryName = elements.getBinaryName((TypeElement) el.getEnclosingElement());
if (!binaryName.contentEquals("OnDemandAttributionData$1")) {
throw new IllegalStateException("Incorrect binary name=" + binaryName);
}
return super.visitNewClass(node, p);
}
@Override
public Void visitMethodInvocation(MethodInvocationTree node, Void p) {
if (trees.getElement(getCurrentPath()) == null)
throw new IllegalStateException("No element for: " + node);
return super.visitMethodInvocation(node, p);
}
@Override
public Void visitIdentifier(IdentifierTree node, Void p) {
if (trees.getElement(getCurrentPath()) == null)
throw new IllegalStateException("No element for: " + node);
return super.visitIdentifier(node, p);
}
}.scan(path, null);
}
if (round++ == 0) {
try (Writer out = filer.createSourceFile("Gen").openWriter()) {
out.write("class Gen { public static long C = 1; }");
} catch (IOException ex) {
throw new IllegalStateException(ex);
}
}
return true;
}
}
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