jdk8-mips64-public/langtools: test/tools/javac/processing/environment/round/TestContext.java@959103a6100f

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http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

     1 /*

     2  * Copyright (c) 2010, 2011, 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 6988836

    27  * @summary A new JavacElements is created for each round of annotation processing

    28  * @library /tools/javac/lib

    29  * @build JavacTestingAbstractProcessor TestContext

    30  * @compile/process -processor TestContext -XprintRounds TestContext

    31  */

    33 import java.io.*;

    34 import java.util.*;

    35 import javax.annotation.processing.*;

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

    37 import static javax.tools.Diagnostic.Kind.*;

    39 import com.sun.source.util.Trees;

    40 import com.sun.tools.javac.api.JavacTrees;

    41 import com.sun.tools.javac.model.JavacElements;

    42 import com.sun.tools.javac.model.JavacTypes;

    43 import com.sun.tools.javac.processing.JavacProcessingEnvironment;

    44 import com.sun.tools.javac.util.Context;

    46 public class TestContext extends JavacTestingAbstractProcessor {

    48     Trees treeUtils;

    49     int round = 0;

    51     @Override

    52     public void init(ProcessingEnvironment pEnv) {

    53         super.init(pEnv);

    54         treeUtils = Trees.instance(processingEnv);

    55     }

    57     @Override

    58     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {

    59         round++;

    61         JavacProcessingEnvironment jpe = (JavacProcessingEnvironment) processingEnv;

    62         Context c = jpe.getContext();

    63         check(c.get(JavacElements.class), eltUtils);

    64         check(c.get(JavacTypes.class), typeUtils);

    65         check(c.get(JavacTrees.class), treeUtils);

    67         final int MAXROUNDS = 3;

    68         if (round < MAXROUNDS)

    69             generateSource("Gen" + round);

    71         return true;

    72     }

    74     <T> void check(T actual, T expected) {

    75 //        messager.printMessage(NOTE, "expect: " + expected);

    76 //        messager.printMessage(NOTE, "actual: " + actual);

    78         if (actual != expected) {

    79             messager.printMessage(ERROR,

    80                 "round " + round + " unexpected value for " + expected.getClass().getName() + ": " + actual);

    81         }

    82     }

    84     void generateSource(String name) {

    85         String text = "class " + name + " { }\n";

    87         try (Writer out = filer.createSourceFile(name).openWriter()) {

    88                 out.write(text);

    89         } catch (IOException e) {

    90             throw new Error(e);

    91         }

    92     }

    94 }

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