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test/tools/javac/file/T7068451.java@5b039297151e (annotated)

test/tools/javac/file/T7068451.java

Thu, 06 Jun 2013 15:38:42 +0100

author

mcimadamore

date

Thu, 06 Jun 2013 15:38:42 +0100

changeset 1814

5b039297151e

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 7068451
aoqi@0	27	* @summary Regression: javac compiles fixed sources against previous,
aoqi@0	28	* not current, version of generated sources
aoqi@0	29	*/
aoqi@0	30
aoqi@0	31	import java.io.File;
aoqi@0	32	import java.io.FileNotFoundException;
aoqi@0	33	import java.io.FileWriter;
aoqi@0	34	import java.io.IOException;
aoqi@0	35	import java.io.Writer;
aoqi@0	36	import java.util.Arrays;
aoqi@0	37	import java.util.Collections;
aoqi@0	38	import java.util.List;
aoqi@0	39	import java.util.Set;
aoqi@0	40	import javax.annotation.processing.AbstractProcessor;
aoqi@0	41	import javax.annotation.processing.Filer;
aoqi@0	42	import javax.annotation.processing.Messager;
aoqi@0	43	import javax.annotation.processing.RoundEnvironment;
aoqi@0	44	import javax.annotation.processing.SupportedAnnotationTypes;
aoqi@0	45	import javax.lang.model.SourceVersion;
aoqi@0	46	import javax.lang.model.element.TypeElement;
aoqi@0	47	import javax.tools.Diagnostic.Kind;
aoqi@0	48	import javax.tools.JavaCompiler;
aoqi@0	49	import javax.tools.JavaCompiler.CompilationTask;
aoqi@0	50	import javax.tools.StandardLocation;
aoqi@0	51	import javax.tools.ToolProvider;
aoqi@0	52
aoqi@0	53	public class T7068451 {
aoqi@0	54	public static void main(String[] args) throws Exception {
aoqi@0	55	new T7068451().run();
aoqi@0	56	}
aoqi@0	57
aoqi@0	58	void run() throws Exception {
aoqi@0	59	JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
aoqi@0	60	System.err.println("using " + compiler.getClass() + " from " + compiler.getClass().getProtectionDomain().getCodeSource());
aoqi@0	61
aoqi@0	62	File tmp = new File("tmp");
aoqi@0	63	tmp.mkdir();
aoqi@0	64	for (File f: tmp.listFiles())
aoqi@0	65	f.delete();
aoqi@0	66
aoqi@0	67	File input = writeFile(tmp, "X.java", "package p; class X { { p.C.first(); } }");
aoqi@0	68
aoqi@0	69	List<String> opts = Arrays.asList(
aoqi@0	70	"-s", tmp.getPath(),
aoqi@0	71	"-d", tmp.getPath(),
aoqi@0	72	"-XprintRounds");
aoqi@0	73
aoqi@0	74	System.err.println();
aoqi@0	75	System.err.println("FIRST compilation");
aoqi@0	76	System.err.println();
aoqi@0	77
aoqi@0	78	CompilationTask task = compiler.getTask(null, null, null, opts, null,
aoqi@0	79	compiler.getStandardFileManager(null, null, null).getJavaFileObjects(input));
aoqi@0	80	task.setProcessors(Collections.singleton(new Proc("first")));
aoqi@0	81	check("compilation", task.call());
aoqi@0	82
aoqi@0	83	writeFile(tmp, "X.java", "package p; class X { { p.C.second(); } }");
aoqi@0	84
aoqi@0	85	//Thread.sleep(2000);
aoqi@0	86
aoqi@0	87	System.err.println();
aoqi@0	88	System.err.println("SECOND compilation");
aoqi@0	89	System.err.println();
aoqi@0	90
aoqi@0	91	task = compiler.getTask(null, null, null, opts, null,
aoqi@0	92	compiler.getStandardFileManager(null, null, null).getJavaFileObjects(input));
aoqi@0	93	task.setProcessors(Collections.singleton(new Proc("second")));
aoqi@0	94	check("compilation", task.call());
aoqi@0	95
aoqi@0	96	//Thread.sleep(2000);
aoqi@0	97
aoqi@0	98	System.err.println();
aoqi@0	99	System.err.println("SECOND compilation, REPEATED");
aoqi@0	100	System.err.println();
aoqi@0	101
aoqi@0	102	task = compiler.getTask(null, null, null, opts, null,
aoqi@0	103	compiler.getStandardFileManager(null, null, null).getJavaFileObjects(input));
aoqi@0	104	task.setProcessors(Collections.singleton(new Proc("second")));
aoqi@0	105	check("compilation", task.call());
aoqi@0	106	}
aoqi@0	107
aoqi@0	108	void check(String msg, boolean ok) {
aoqi@0	109	System.err.println(msg + ": " + (ok ? "ok" : "failed"));
aoqi@0	110	if (!ok)
aoqi@0	111	throw new AssertionError(msg);
aoqi@0	112	}
aoqi@0	113
aoqi@0	114	static File writeFile(File base, String path, String body) throws IOException {
aoqi@0	115	File f = new File(base, path);
aoqi@0	116	FileWriter out = new FileWriter(f);
aoqi@0	117	out.write(body);
aoqi@0	118	out.close();
aoqi@0	119	System.err.println("wrote " + path + ": " + body);
aoqi@0	120	return f;
aoqi@0	121	}
aoqi@0	122
aoqi@0	123	@SupportedAnnotationTypes("*")
aoqi@0	124	private static class Proc extends AbstractProcessor {
aoqi@0	125	final String m;
aoqi@0	126	Proc(String m) {
aoqi@0	127	this.m = m;
aoqi@0	128	}
aoqi@0	129
aoqi@0	130	int count;
aoqi@0	131	@Override public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
aoqi@0	132	if (roundEnv.processingOver() || count++ > 0) {
aoqi@0	133	return false;
aoqi@0	134	}
aoqi@0	135
aoqi@0	136	Filer filer = processingEnv.getFiler();
aoqi@0	137	Messager messager = processingEnv.getMessager();
aoqi@0	138
aoqi@0	139	System.err.println("running Proc");
aoqi@0	140	try {
aoqi@0	141	int len = filer.getResource(StandardLocation.SOURCE_OUTPUT, "p", "C.java").getCharContent(false).length();
aoqi@0	142	messager.printMessage(Kind.NOTE, "C.java: found previous content of length " + len);
aoqi@0	143	} catch (FileNotFoundException x) {
aoqi@0	144	messager.printMessage(Kind.NOTE, "C.java: not previously there");
aoqi@0	145	} catch (IOException x) {
aoqi@0	146	messager.printMessage(Kind.ERROR, "while reading: " + x);
aoqi@0	147	}
aoqi@0	148
aoqi@0	149	try {
aoqi@0	150	String body = "package p; public class C { public static void " + m + "() {} }";
aoqi@0	151	Writer w = filer.createSourceFile("p.C").openWriter();
aoqi@0	152	w.write(body);
aoqi@0	153	w.close();
aoqi@0	154	messager.printMessage(Kind.NOTE, "C.java: wrote new content: " + body);
aoqi@0	155	} catch (IOException x) {
aoqi@0	156	messager.printMessage(Kind.ERROR, "while writing: " + x);
aoqi@0	157	}
aoqi@0	158
aoqi@0	159	return true;
aoqi@0	160	}
aoqi@0	161
aoqi@0	162	@Override
aoqi@0	163	public SourceVersion getSupportedSourceVersion() {
aoqi@0	164	return SourceVersion.latest();
aoqi@0	165	}
aoqi@0	166	}
aoqi@0	167	}
aoqi@0	168