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

Fri, 26 Jun 2009 19:12:41 -0700

author
jjg
date
Fri, 26 Jun 2009 19:12:41 -0700
changeset 309
664edca41e34
parent 1
9a66ca7c79fa
child 554
9d9f26857129
permissions
-rw-r--r--

6855544: add missing files
Reviewed-by: jjg, mcimadamore, darcy
Contributed-by: mernst@cs.washington.edu, mali@csail.mit.edu, mpapi@csail.mit.edu

     1 /*
     2  * Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
    21  * have any questions.
    22  */
    24 /*
    25  * @test
    26  * @bug     6471599
    27  * @summary Type of rhs cannot be obtained when assigning to erroneous symbol
    28  * @author  Peter von der Ah\u00e9
    29  * @compile Main.java
    30  * @run main Main
    31  */
    33 import com.sun.source.tree.AssignmentTree;
    34 import com.sun.source.tree.CompilationUnitTree;
    35 import com.sun.source.util.JavacTask;
    36 import com.sun.source.util.TreePath;
    37 import com.sun.source.util.TreePathScanner;
    38 import com.sun.source.util.Trees;
    39 import com.sun.tools.javac.util.List;
    40 import java.io.IOException;
    41 import java.net.URI;
    42 import javax.lang.model.type.TypeKind;
    43 import javax.tools.JavaCompiler;
    44 import javax.tools.JavaFileObject;
    45 import javax.tools.SimpleJavaFileObject;
    46 import javax.tools.ToolProvider;
    48 public class Main {
    49     static class MyFileObject extends SimpleJavaFileObject {
    50         public MyFileObject() {
    51             super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
    52         }
    53         public CharSequence getCharContent(boolean ignoreEncodingErrors) {
    54             return "public class Test { { x = java.util.Collections.emptySet(); } }";
    55         }
    56     }
    57     static Trees trees;
    58     public static void main(String[] args) throws IOException {
    59         JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    60         JavacTask task = (JavacTask) compiler.getTask(null, null, null, null, null, List.of(new MyFileObject()));
    61         trees = Trees.instance(task);
    62         Iterable<? extends CompilationUnitTree> asts = task.parse();
    63         task.analyze();
    64         for (CompilationUnitTree ast : asts) {
    65             new MyVisitor().scan(ast, null);
    66         }
    67     }
    69     static class MyVisitor extends TreePathScanner<Void,Void> {
    70         @Override
    71         public Void visitAssignment(AssignmentTree node, Void ignored) {
    72             TreePath path = TreePath.getPath(getCurrentPath(), node.getExpression());
    73             if (trees.getTypeMirror(path).getKind() == TypeKind.ERROR)
    74                 throw new AssertionError(path.getLeaf());
    75             return null;
    76         }
    78     }
    79 }

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