| /* |
| * Copyright (c) 2011, 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 7031108 |
| * @summary NPE in javac.jvm.ClassReader.findMethod in PackageElement.enclosedElements from AP in incr build |
| * @library /tools/javac/lib |
| * @modules java.compiler |
| * jdk.compiler |
| * @build JavacTestingAbstractProcessor T7031108 |
| * @run main T7031108 |
| */ |
| |
| import java.io.*; |
| import java.net.*; |
| import java.util.*; |
| import javax.annotation.processing.*; |
| import javax.lang.model.element.*; |
| import javax.tools.*; |
| import javax.tools.JavaCompiler.CompilationTask; |
| |
| public class T7031108 extends JavacTestingAbstractProcessor { |
| public static void main(String... args) throws Exception { |
| new T7031108().run(); |
| } |
| |
| /* Class containing a local class definition; |
| * compiled class file will have an EnclosedMethod attribute. |
| */ |
| static final JavaSource pC = |
| new JavaSource("p/C.java", |
| "package p;\n" |
| + "class C {\n" |
| + " void m() {\n" |
| + " new Runnable() {\n" |
| + " public void run() {\n" |
| + " new Runnable() {\n" |
| + " public void run() { }\n" |
| + " };\n" |
| + " }\n" |
| + " };\n" |
| + " }\n" |
| + "}"); |
| |
| /* Dummy source file to compile while running anno processor. */ |
| static final JavaSource dummy = |
| new JavaSource("Dummy.java", |
| "class Dummy { }"); |
| |
| void run() throws Exception { |
| JavaCompiler comp = ToolProvider.getSystemJavaCompiler(); |
| try (StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null)) { |
| |
| // step 1: compile test classes |
| File cwd = new File("."); |
| fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(cwd)); |
| compile(comp, fm, null, null, pC); |
| |
| // step 2: verify functioning of processor |
| fm.setLocation(StandardLocation.ANNOTATION_PROCESSOR_PATH, |
| fm.getLocation(StandardLocation.CLASS_PATH)); |
| fm.setLocation(StandardLocation.CLASS_PATH, Arrays.asList(cwd)); |
| compile(comp, fm, null, getClass().getName(), dummy); |
| |
| File pC_class = new File(new File("p"), "C.class"); |
| pC_class.delete(); |
| |
| DiagnosticCollector<JavaFileObject> dc = new DiagnosticCollector<JavaFileObject>(); |
| compile(comp, fm, dc, getClass().getName(), dummy); |
| List<Diagnostic<? extends JavaFileObject>> diags =dc.getDiagnostics(); |
| |
| System.err.println(diags); |
| switch (diags.size()) { |
| case 0: |
| throw new Exception("no diagnostics received"); |
| case 1: |
| String code = diags.get(0).getCode(); |
| String expect = "compiler.err.proc.cant.access.1"; |
| if (!expect.equals(code)) |
| throw new Exception("unexpected diag code: " + code |
| + ", expected: " + expect); |
| break; |
| default: |
| throw new Exception("unexpected diags received"); |
| } |
| } |
| } |
| |
| void compile(JavaCompiler comp, JavaFileManager fm, |
| DiagnosticListener<JavaFileObject> dl, |
| String processor, JavaFileObject... files) throws Exception { |
| System.err.println("compile processor:" + processor + ", files:" + Arrays.asList(files)); |
| List<String> opts = new ArrayList<String>(); |
| if (processor != null) { |
| // opts.add("-verbose"); |
| opts.addAll(Arrays.asList("-processor", processor)); |
| } |
| CompilationTask task = comp.getTask(null, fm, dl, opts, null, Arrays.asList(files)); |
| boolean ok = task.call(); |
| if (dl == null && !ok) |
| throw new Exception("compilation failed"); |
| } |
| |
| static class JavaSource extends SimpleJavaFileObject { |
| JavaSource(String name, String text) { |
| super(URI.create("js://" + name), JavaFileObject.Kind.SOURCE); |
| this.text = text; |
| } |
| @Override |
| public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
| return text; |
| } |
| final String text; |
| } |
| |
| // annotation processor method |
| |
| @Override |
| public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { |
| if (!roundEnv.processingOver()) { |
| PackageElement p = elements.getPackageElement("p"); |
| List<? extends Element> elems = p.getEnclosedElements(); |
| System.err.println("contents of package p: " + elems); |
| if (elems.size() != 1 || !elems.get(0).getSimpleName().contentEquals("C")) { |
| messager.printMessage(Diagnostic.Kind.ERROR, "unexpected package contents"); |
| } |
| } |
| return true; |
| } |
| } |
| |