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test/tools/javac/classreader/T7031108.java@2eb010b6cb22 (annotated)

test/tools/javac/classreader/T7031108.java

Thu, 31 Aug 2017 15:17:03 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:17:03 +0800

changeset 2525

2eb010b6cb22

parent 1466

b52a38d4536c

parent 0

959103a6100f

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 7031108
aoqi@0	27	* @summary NPE in javac.jvm.ClassReader.findMethod in PackageElement.enclosedElements from AP in incr build
aoqi@0	28	* @library /tools/javac/lib
aoqi@0	29	* @build JavacTestingAbstractProcessor T7031108
aoqi@0	30	* @run main T7031108
aoqi@0	31	*/
aoqi@0	32
aoqi@0	33	import java.io.*;
aoqi@0	34	import java.net.*;
aoqi@0	35	import java.util.*;
aoqi@0	36	import javax.annotation.processing.*;
aoqi@0	37	import javax.lang.model.element.*;
aoqi@0	38	import javax.tools.*;
aoqi@0	39	import javax.tools.JavaCompiler.CompilationTask;
aoqi@0	40
aoqi@0	41	public class T7031108 extends JavacTestingAbstractProcessor {
aoqi@0	42	public static void main(String... args) throws Exception {
aoqi@0	43	new T7031108().run();
aoqi@0	44	}
aoqi@0	45
aoqi@0	46	/* Class containing a local class definition;
aoqi@0	47	* compiled class file will have an EnclosedMethod attribute.
aoqi@0	48	*/
aoqi@0	49	static final JavaSource pC =
aoqi@0	50	new JavaSource("p/C.java",
aoqi@0	51	"package p;\n"
aoqi@0	52	+ "class C {\n"
aoqi@0	53	+ " void m() {\n"
aoqi@0	54	+ " new Runnable() {\n"
aoqi@0	55	+ " public void run() {\n"
aoqi@0	56	+ " new Runnable() {\n"
aoqi@0	57	+ " public void run() { }\n"
aoqi@0	58	+ " };\n"
aoqi@0	59	+ " }\n"
aoqi@0	60	+ " };\n"
aoqi@0	61	+ " }\n"
aoqi@0	62	+ "}");
aoqi@0	63
aoqi@0	64	/* Dummy source file to compile while running anno processor. */
aoqi@0	65	static final JavaSource dummy =
aoqi@0	66	new JavaSource("Dummy.java",
aoqi@0	67	"class Dummy { }");
aoqi@0	68
aoqi@0	69	void run() throws Exception {
aoqi@0	70	JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
aoqi@0	71	StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null);
aoqi@0	72
aoqi@0	73	// step 1: compile test classes
aoqi@0	74	File cwd = new File(".");
aoqi@0	75	fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(cwd));
aoqi@0	76	compile(comp, fm, null, null, pC);
aoqi@0	77
aoqi@0	78	// step 2: verify functioning of processor
aoqi@0	79	fm.setLocation(StandardLocation.ANNOTATION_PROCESSOR_PATH,
aoqi@0	80	fm.getLocation(StandardLocation.CLASS_PATH));
aoqi@0	81	fm.setLocation(StandardLocation.CLASS_PATH, Arrays.asList(cwd));
aoqi@0	82	compile(comp, fm, null, getClass().getName(), dummy);
aoqi@0	83
aoqi@0	84	File pC_class = new File(new File("p"), "C.class");
aoqi@0	85	pC_class.delete();
aoqi@0	86
aoqi@0	87	DiagnosticCollector<JavaFileObject> dc = new DiagnosticCollector<JavaFileObject>();
aoqi@0	88	compile(comp, fm, dc, getClass().getName(), dummy);
aoqi@0	89	List<Diagnostic<? extends JavaFileObject>> diags =dc.getDiagnostics();
aoqi@0	90
aoqi@0	91	System.err.println(diags);
aoqi@0	92	switch (diags.size()) {
aoqi@0	93	case 0:
aoqi@0	94	throw new Exception("no diagnostics received");
aoqi@0	95	case 1:
aoqi@0	96	String code = diags.get(0).getCode();
aoqi@0	97	String expect = "compiler.err.proc.cant.access.1";
aoqi@0	98	if (!expect.equals(code))
aoqi@0	99	throw new Exception("unexpected diag code: " + code
aoqi@0	100	+ ", expected: " + expect);
aoqi@0	101	break;
aoqi@0	102	default:
aoqi@0	103	throw new Exception("unexpected diags received");
aoqi@0	104	}
aoqi@0	105	}
aoqi@0	106
aoqi@0	107	void compile(JavaCompiler comp, JavaFileManager fm,
aoqi@0	108	DiagnosticListener<JavaFileObject> dl,
aoqi@0	109	String processor, JavaFileObject... files) throws Exception {
aoqi@0	110	System.err.println("compile processor:" + processor + ", files:" + Arrays.asList(files));
aoqi@0	111	List<String> opts = new ArrayList<String>();
aoqi@0	112	if (processor != null) {
aoqi@0	113	// opts.add("-verbose");
aoqi@0	114	opts.addAll(Arrays.asList("-processor", processor));
aoqi@0	115	}
aoqi@0	116	CompilationTask task = comp.getTask(null, fm, dl, opts, null, Arrays.asList(files));
aoqi@0	117	boolean ok = task.call();
aoqi@0	118	if (dl == null && !ok)
aoqi@0	119	throw new Exception("compilation failed");
aoqi@0	120	}
aoqi@0	121
aoqi@0	122	static class JavaSource extends SimpleJavaFileObject {
aoqi@0	123	JavaSource(String name, String text) {
aoqi@0	124	super(URI.create("js://" + name), JavaFileObject.Kind.SOURCE);
aoqi@0	125	this.text = text;
aoqi@0	126	}
aoqi@0	127	@Override
aoqi@0	128	public CharSequence getCharContent(boolean ignoreEncodingErrors) {
aoqi@0	129	return text;
aoqi@0	130	}
aoqi@0	131	final String text;
aoqi@0	132	}
aoqi@0	133
aoqi@0	134	// annotation processor method
aoqi@0	135
aoqi@0	136	@Override
aoqi@0	137	public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
aoqi@0	138	if (!roundEnv.processingOver()) {
aoqi@0	139	PackageElement p = elements.getPackageElement("p");
aoqi@0	140	List<? extends Element> elems = p.getEnclosedElements();
aoqi@0	141	System.err.println("contents of package p: " + elems);
aoqi@0	142	if (elems.size() != 1 || !elems.get(0).getSimpleName().contentEquals("C")) {
aoqi@0	143	messager.printMessage(Diagnostic.Kind.ERROR, "unexpected package contents");
aoqi@0	144	}
aoqi@0	145	}
aoqi@0	146	return true;
aoqi@0	147	}
aoqi@0	148	}
aoqi@0	149