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/*
* 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 7026509
* @summary Cannot use JavaCompiler to create multiple CompilationTasks for partial compilations
* @modules jdk.compiler
*/
import java.io.*;
import java.util.*;
import javax.lang.model.element.*;
import javax.tools.*;
import com.sun.source.tree.*;
import com.sun.source.util.*;
public class TestJavacTask_ParseAttrGen {
public static void main(String... args) throws Exception {
new TestJavacTask_ParseAttrGen().run();
}
JavaCompiler comp;
StandardJavaFileManager fm;
void run() throws Exception {
comp = ToolProvider.getSystemJavaCompiler();
fm = comp.getStandardFileManager(null, null, null);
try {
final boolean[] booleanValues = { false, true };
for (boolean pk: booleanValues) {
for (boolean ak: booleanValues) {
for (boolean gk: booleanValues) {
test(pk, ak, gk);
}
}
}
} finally {
fm.close();
}
}
void test(boolean pk, boolean ak, boolean gk) throws Exception {
if (!pk && !ak && !gk) // nothing to do
return;
System.err.println("test: pk:" + pk + ", ak:" + ak + ", gk: " + gk);
File testSrc = new File(System.getProperty("test.src"));
String thisClassName = TestJavacTask_ParseAttrGen.class.getName();
Iterable<? extends JavaFileObject> files =
fm.getJavaFileObjects(new File(testSrc, thisClassName + ".java"));
File tmpDir = new File((pk ? "p" : "") + (ak ? "a" : "") + (gk ? "g" : ""));
tmpDir.mkdirs();
fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(tmpDir));
JavacTask t = (JavacTask) comp.getTask(null, fm, null, null, null, files);
//t.setTaskListener(createTaskListener());
try {
if (pk) {
Iterable<? extends CompilationUnitTree> trees = t.parse();
System.err.println(count(trees) + " trees parsed");
}
if (ak) {
Iterable<? extends Element> elems = t.analyze();
System.err.println(count(elems) + " elements analyzed");
}
if (gk) {
Iterable<? extends JavaFileObject> classfiles = t.generate();
System.err.println(count(classfiles) + " class files generated");
}
} catch (IOException e) {
error("unexpected exception caught: " + e);
}
File[] genFiles = tmpDir.listFiles();
int expect = (gk ? 2 : 0); // main class and anon class for TaskListener
if (genFiles.length != expect)
error("unexpected number of files generated: " + genFiles.length
+ ", expected: " + expect);
System.err.println();
}
TaskListener createTaskListener() {
return new TaskListener() {
public void started(TaskEvent e) {
System.err.println(e + " started");
}
public void finished(TaskEvent e) {
System.err.println(e + " finished");
}
};
}
<T> int count(Iterable<T> items) {
int count = 0;
for (T item: items)
count++;
return count;
}
void error(String msg) {
System.err.println("Error: " + msg);
errors++;
}
int errors;
}
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