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/*
* Copyright (c) 2006, 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 6413682
* @summary Compiler confused about implicit type args and arrays
* @author Peter von der Ah\u00e9
* @modules jdk.compiler
*/
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.tree.ErroneousTree;
import com.sun.source.tree.Tree;
import com.sun.source.util.JavacTask;
import com.sun.source.util.TreeScanner;
import com.sun.source.util.Trees;
import java.io.IOException;
import java.net.URI;
import java.util.Collections;
import java.util.List;
import javax.tools.Diagnostic;
import javax.tools.DiagnosticListener;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.SimpleJavaFileObject;
import static javax.tools.JavaFileObject.Kind.SOURCE;
import javax.tools.ToolProvider;
public class TestPos {
static final String errCode = "compiler.err.cannot.create.array.with.type.arguments";
static final String expected =
String.format("%s%n%s%n",
"compiler.err.cannot.create.array.with.type.arguments @ 33",
"begin=28, end=50 : new Object[0],T,e,s,t");
public static void main(String... args) throws IOException {
final boolean[] sawError = { false };
final StringBuilder log = new StringBuilder();
class MyFileObject extends SimpleJavaFileObject {
MyFileObject() {
super(URI.create("myfo:///Test.java"), SOURCE);
}
@Override
public String getCharContent(boolean ignoreEncodingErrors) {
// 0 1 2 3 4 5
// 0123456789012345678901234567890123456789012345678901234
return "class Test { { Object[] o = new <T,e,s,t>Object[0]; } }";
}
}
class Scanner extends TreeScanner<Void,Trees> {
CompilationUnitTree toplevel = null;
@Override
public Void visitCompilationUnit(CompilationUnitTree node, Trees trees) {
toplevel = node;
return super.visitCompilationUnit(node, trees);
}
@Override
public Void visitErroneous(ErroneousTree node, Trees trees) {
sawError[0] = true;
long startPos = trees.getSourcePositions().getStartPosition(toplevel, node);
long endPos = trees.getSourcePositions().getEndPosition(toplevel, node);
log.append(String.format("begin=%s, end=%s : %s%n",
startPos,
endPos,
node.getErrorTrees()));
if (startPos != 28)
error("Start pos for %s is incorrect (%s)!", node, startPos);
if (endPos != 50)
error("End pos for %s is incorrect (%s)!", node, endPos);
return null;
}
}
JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
List<JavaFileObject> compilationUnits =
Collections.<JavaFileObject>singletonList(new MyFileObject());
DiagnosticListener<JavaFileObject> dl = new DiagnosticListener<JavaFileObject>() {
public void report(Diagnostic<? extends JavaFileObject> diag) {
log.append(String.format("%s @ %s%n", diag.getCode(), diag.getPosition()));
if (!diag.getCode().equals(errCode))
error("unexpected error");
if (diag.getPosition() != 33)
error("Error pos for %s is incorrect (%s)!",
diag.getCode(), diag.getPosition());
sawError[0] = true;
}
};
JavacTask task = (JavacTask)javac.getTask(null, null, dl, null, null,
compilationUnits);
Trees trees = Trees.instance(task);
Iterable<? extends Tree> toplevels = task.parse();
if (!sawError[0])
error("No parse error detected");
sawError[0] = false;
new Scanner().scan(toplevels, trees);
if (!sawError[0])
error("No error tree detected");
if (!log.toString().equals(expected))
error("Unexpected log message: %n%s%n", log);
System.out.print(log);
System.out.flush();
}
static void error(String format, Object... args) {
throw new AssertionError(String.format(format, args));
}
}
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