jdk8-mips64-public/langtools: test/tools/javac/6402516/CheckIsAccessible.java@4868a36f6fd8

     1 /*

     2  * Copyright (c) 2006, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    24 /*

    25  * @test

    26  * @bug 6402516

    27  * @summary need Trees.getScope(TreePath)

    28  * @build Checker CheckIsAccessible

    29  * @run main CheckIsAccessible

    30  */

    32 import java.util.*;

    33 import com.sun.source.tree.*;

    34 import com.sun.source.util.*;

    35 import javax.lang.model.element.*;

    36 import javax.lang.model.type.*;

    37 import javax.lang.model.util.*;

    39 /*

    40  * Check the accessibility of items of a scope against the contents of string literals.

    41  */

    42 public class CheckIsAccessible extends Checker {

    43     public static void main(String... args) throws Exception {

    44         Checker chk = new CheckIsAccessible();

    45         chk.check("TestIsAccessible.java", "A.java");

    46     }

    48     @Override

    49     protected boolean check(Scope s, String ref) {

    50         System.err.println("checkIsAccessible: " + s + " " + s.getEnclosingClass() + " " + ref);

    51         if (ref.length() == 0)

    52             return true;

    54         Trees trees = getTrees();

    55         String[] args = ref.split(" +", 3);

    56         boolean expect = args[args.length - 1].equals("yes");

    57         boolean actual;

    58         switch (args.length) {

    59         case 2:

    60             TypeElement te = getTypeElement(args[0]);

    61             actual = trees.isAccessible(s, te);

    62             if (actual != expect)

    63                 error(s, ref, "accessible issue found: " + te + " " + actual);

    64             break;

    66         case 3:

    67             DeclaredType site = getType(args[0]);

    68             Element member = getMember(args[1]);

    69             actual = trees.isAccessible(s, member, site);

    70             if (actual != expect)

    71                 error(s, ref, "accessible issue found: " + member + "@" + site + " " + actual);

    72             break;

    74         default:

    75             throw new IllegalArgumentException(ref);

    76         }

    78         return (actual == expect);

    79     }

    81     private TypeElement getTypeElement(String name) {

    82         TypeElement te = getElements().getTypeElement(name);

    83         if (te == null)

    84             throw new IllegalArgumentException("can't find element " + name);

    85         return te;

    86     }

    88     private DeclaredType getType(String name) {

    89         return (DeclaredType)(getTypeElement(name).asType());

    90     }

    92     private Element getMember(String name) {

    93         int sep = name.indexOf("#");

    94         String tname = name.substring(0, sep);

    95         String mname = name.substring(sep+1);

    96         TypeElement te = getTypeElement(tname);

    97         for (Element e: te.getEnclosedElements()) {

    98             if (mname.contentEquals(e.getSimpleName()))

    99                 return e;

   100         }

   101         throw new IllegalArgumentException("can't find member " + mname + " in " + tname);

   102     }

   104 }

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