jdk8-mips64-public/langtools: test/tools/javac/multicatch/model/ModelChecker.java@90af8d87741f

6851834: Javadoc doclet needs a structured approach to generate the output HTML.
Reviewed-by: jjg

     1 /*

     2  * Copyright (c) 2010, 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 6993963

    27  * @summary Project Coin: Use precise exception analysis for effectively final catch parameters

    28  * @library ../../lib

    29  * @build JavacTestingAbstractProcessor ModelChecker

    30  * @compile -processor ModelChecker Model01.java

    31  */

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

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

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

    36 import com.sun.source.util.TreePath;

    38 import java.util.Set;

    39 import javax.annotation.processing.RoundEnvironment;

    40 import javax.annotation.processing.SupportedAnnotationTypes;

    41 import javax.lang.model.element.Element;

    42 import javax.lang.model.element.ElementKind;

    43 import javax.lang.model.element.TypeElement;

    45 @SupportedAnnotationTypes("Check")

    46 public class ModelChecker extends JavacTestingAbstractProcessor {

    48     @Override

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

    50         if (roundEnv.processingOver())

    51             return true;

    53         Trees trees = Trees.instance(processingEnv);

    55         TypeElement testAnno = elements.getTypeElement("Check");

    56         for (Element elem: roundEnv.getElementsAnnotatedWith(testAnno)) {

    57             TreePath p = trees.getPath(elem);

    58             new MulticatchParamTester(trees).scan(p, null);

    59         }

    60         return true;

    61     }

    63     class MulticatchParamTester extends TreePathScanner<Void, Void> {

    64         Trees trees;

    66         public MulticatchParamTester(Trees trees) {

    67             super();

    68             this.trees = trees;

    69         }

    71         @Override

    72         public Void visitVariable(VariableTree node, Void p) {

    73             Element ex = trees.getElement(getCurrentPath());

    74             if (ex.getSimpleName().contentEquals("ex")) {

    75                 assertTrue(ex.getKind() == ElementKind.EXCEPTION_PARAMETER, "Expected EXCEPTION_PARAMETER - found " + ex.getKind());

    76                 for (Element e : types.asElement(ex.asType()).getEnclosedElements()) {

    77                     Member m = e.getAnnotation(Member.class);

    78                     if (m != null) {

    79                         assertTrue(e.getKind() == m.value(), "Expected " + m.value() + " - found " + e.getKind());

    80                     }

    81                 }

    82                 assertTrue(assertionCount == 3, "Expected 3 assertions - found " + assertionCount);

    83             }

    84             return super.visitVariable(node, p);

    85         }

    86     }

    88     private static void assertTrue(boolean cond, String msg) {

    89         assertionCount++;

    90         if (!cond)

    91             throw new AssertionError(msg);

    92     }

    94     static int assertionCount = 0;

    95 }

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