test/tools/javac/api/6471599/Main.java

Fri, 27 May 2011 15:02:39 -0700

author
jeff
date
Fri, 27 May 2011 15:02:39 -0700
changeset 1016
6211df69f7e0
parent 554
9d9f26857129
child 2525
2eb010b6cb22
permissions
-rw-r--r--

7045697: JDK7 THIRD PARTY README update
Reviewed-by: lana

duke@1 1 /*
ohair@554 2 * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
duke@1 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1 4 *
duke@1 5 * This code is free software; you can redistribute it and/or modify it
duke@1 6 * under the terms of the GNU General Public License version 2 only, as
duke@1 7 * published by the Free Software Foundation.
duke@1 8 *
duke@1 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@1 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@1 13 * accompanied this code).
duke@1 14 *
duke@1 15 * You should have received a copy of the GNU General Public License version
duke@1 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@1 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1 18 *
ohair@554 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554 20 * or visit www.oracle.com if you need additional information or have any
ohair@554 21 * questions.
duke@1 22 */
duke@1 23
duke@1 24 /*
duke@1 25 * @test
duke@1 26 * @bug 6471599
duke@1 27 * @summary Type of rhs cannot be obtained when assigning to erroneous symbol
duke@1 28 * @author Peter von der Ah\u00e9
duke@1 29 * @compile Main.java
duke@1 30 * @run main Main
duke@1 31 */
duke@1 32
duke@1 33 import com.sun.source.tree.AssignmentTree;
duke@1 34 import com.sun.source.tree.CompilationUnitTree;
duke@1 35 import com.sun.source.util.JavacTask;
duke@1 36 import com.sun.source.util.TreePath;
duke@1 37 import com.sun.source.util.TreePathScanner;
duke@1 38 import com.sun.source.util.Trees;
duke@1 39 import com.sun.tools.javac.util.List;
duke@1 40 import java.io.IOException;
duke@1 41 import java.net.URI;
duke@1 42 import javax.lang.model.type.TypeKind;
duke@1 43 import javax.tools.JavaCompiler;
duke@1 44 import javax.tools.JavaFileObject;
duke@1 45 import javax.tools.SimpleJavaFileObject;
duke@1 46 import javax.tools.ToolProvider;
duke@1 47
duke@1 48 public class Main {
duke@1 49 static class MyFileObject extends SimpleJavaFileObject {
duke@1 50 public MyFileObject() {
duke@1 51 super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
duke@1 52 }
duke@1 53 public CharSequence getCharContent(boolean ignoreEncodingErrors) {
duke@1 54 return "public class Test { { x = java.util.Collections.emptySet(); } }";
duke@1 55 }
duke@1 56 }
duke@1 57 static Trees trees;
duke@1 58 public static void main(String[] args) throws IOException {
duke@1 59 JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
duke@1 60 JavacTask task = (JavacTask) compiler.getTask(null, null, null, null, null, List.of(new MyFileObject()));
duke@1 61 trees = Trees.instance(task);
duke@1 62 Iterable<? extends CompilationUnitTree> asts = task.parse();
duke@1 63 task.analyze();
duke@1 64 for (CompilationUnitTree ast : asts) {
duke@1 65 new MyVisitor().scan(ast, null);
duke@1 66 }
duke@1 67 }
duke@1 68
duke@1 69 static class MyVisitor extends TreePathScanner<Void,Void> {
duke@1 70 @Override
duke@1 71 public Void visitAssignment(AssignmentTree node, Void ignored) {
duke@1 72 TreePath path = TreePath.getPath(getCurrentPath(), node.getExpression());
duke@1 73 if (trees.getTypeMirror(path).getKind() == TypeKind.ERROR)
duke@1 74 throw new AssertionError(path.getLeaf());
duke@1 75 return null;
duke@1 76 }
duke@1 77
duke@1 78 }
duke@1 79 }

mercurial