/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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.
*
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*/
/*
* @test
* @bug 4813736
* @summary Additional functionality test of task and JSR 269
* @author Peter von der Ah\u00e9
* @ignore "misuse" of context breaks with 6358786
* @run main TestJavacTaskScanner TestJavacTaskScanner.java
*/
import com.sun.tools.javac.api.JavacTaskImpl;
import com.sun.tools.javac.parser.*; // XXX
import com.sun.tools.javac.util.*; // XXX
import java.io.*;
import java.nio.*;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
import javax.lang.model.type.DeclaredType;
import javax.lang.model.type.TypeMirror;
import javax.lang.model.util.Elements;
import javax.lang.model.util.Types;
import javax.tools.*;
import javax.tools.JavaFileManager;
public class TestJavacTaskScanner implements Runnable {
final JavacTaskImpl task;
final Elements elements;
final Types types;
TestJavacTaskScanner(JavacTaskImpl task) {
this.task = task;
elements = task.getElements();
types = task.getTypes();
}
public void run() {
Iterable<? extends TypeElement> toplevels;
try {
toplevels = task.enter(task.parse());
} catch (IOException ex) {
throw new AssertionError(ex);
}
for (TypeElement clazz : toplevels) {
System.out.format("Testing %s:%n%n", clazz.getSimpleName());
testParseType(clazz);
testGetAllMembers(clazz);
System.out.println();
System.out.println();
System.out.println();
}
}
void testParseType(TypeElement clazz) {
DeclaredType type = (DeclaredType)task.parseType("List<String>", clazz);
for (Element member : elements.getAllMembers((TypeElement)type.asElement())) {
TypeMirror mt = types.asMemberOf(type, member);
System.out.format("%s : %s -> %s%n", member.getSimpleName(), member.asType(), mt);
}
}
public static void main(String... args) throws IOException {
JavaCompilerTool tool = ToolProvider.defaultJavaCompiler();
JavaFileManager fm = tool.getStandardFileManager();
String srcdir = System.getProperty("test.src");
File file = new File(srcdir, args[0]);
JavacTaskImpl task = (JavacTaskImpl)tool.run(null, fm.getFileForInput(file.toString()));
MyScanner.Factory.preRegister(task.getContext());
TestJavacTaskScanner tester = new TestJavacTaskScanner(task);
tester.run();
}
private void testGetAllMembers(TypeElement clazz) {
for (Element member : elements.getAllMembers(clazz)) {
System.out.format("%s : %s", member.getSimpleName(), member.asType());
}
}
}
class MyScanner extends Scanner {
public static class Factory extends Scanner.Factory {
public static void preRegister(final Context context) {
context.put(scannerFactoryKey, new Context.Factory<Scanner.Factory>() {
public Factory make() {
return new Factory(context);
}
});
}
public Factory(Context context) {
super(context);
}
@Override
public Scanner newScanner(CharSequence input) {
if (input instanceof CharBuffer) {
return new MyScanner(this, (CharBuffer)input);
} else {
char[] array = input.toString().toCharArray();
return newScanner(array, array.length);
}
}
@Override
public Scanner newScanner(char[] input, int inputLength) {
return new MyScanner(this, input, inputLength);
}
}
protected MyScanner(Factory fac, CharBuffer buffer) {
super(fac, buffer);
}
protected MyScanner(Factory fac, char[] input, int inputLength) {
super(fac, input, inputLength);
}
public void nextToken() {
super.nextToken();
System.err.format("Saw token %s (%s)%n", token(), name());
}
}