jdk8-mips64-public/langtools: test/tools/javac/multicatch/model/ModelChecker.java@f2048d9c666e (annotated)

test/tools/javac/multicatch/model/ModelChecker.java@f2048d9c666e (annotated)

test/tools/javac/multicatch/model/ModelChecker.java

Thu, 04 Nov 2010 12:57:48 +0000

author: mcimadamore
date: Thu, 04 Nov 2010 12:57:48 +0000
changeset 735: f2048d9c666e
child 988: 7ae6c0fd479b
permissions: -rw-r--r--

6993963: Project Coin: Use precise exception analysis for effectively final catch parameters
Summary: More precise rethrow analysis should be extended to effectively-final exception parameters. Multicatch parameters should be made implicitly final.
Reviewed-by: jjg, darcy

 /*
  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 /*
  * @test
  * @bug 6993963
  * @summary Project Coin: Use precise exception analysis for effectively final catch parameters
  * @library ../../lib
  * @build JavacTestingAbstractProcessor ModelChecker
  * @compile -processor ModelChecker Model01.java
  */
 import com.sun.source.tree.VariableTree;
 import com.sun.source.util.TreePathScanner;
 import com.sun.source.util.Trees;
 import com.sun.source.util.TreePath;
 import java.util.Set;
 import javax.annotation.processing.RoundEnvironment;
 import javax.annotation.processing.SupportedAnnotationTypes;
 import javax.lang.model.element.Element;
 import javax.lang.model.element.ElementKind;
 import javax.lang.model.element.TypeElement;
 @SupportedAnnotationTypes("Check")
 public class ModelChecker extends JavacTestingAbstractProcessor {
     @Override
     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
         if (roundEnv.processingOver())
             return true;
         Trees trees = Trees.instance(processingEnv);
         TypeElement testAnno = elements.getTypeElement("Check");
         for (Element elem: roundEnv.getElementsAnnotatedWith(testAnno)) {
             TreePath p = trees.getPath(elem);
             new MulticatchParamTester(trees).scan(p, null);
         }
         return true;
     }
     class MulticatchParamTester extends TreePathScanner<Void, Void> {
         Trees trees;
         public MulticatchParamTester(Trees trees) {
             super();
             this.trees = trees;
         }
         @Override
         public Void visitVariable(VariableTree node, Void p) {
             Element ex = trees.getElement(getCurrentPath());
             if (ex.getSimpleName().contentEquals("ex")) {
                 assertTrue(ex.getKind() == ElementKind.EXCEPTION_PARAMETER, "Expected EXCEPTION_PARAMETER - found " + ex.getKind());
                 for (Element e : types.asElement(ex.asType()).getEnclosedElements()) {
                     Member m = e.getAnnotation(Member.class);
                     if (m != null) {
                         assertTrue(e.getKind() == m.value(), "Expected " + m.value() + " - found " + e.getKind());
                     }
                 }
                 assertTrue(assertionCount == 3, "Expected 3 assertions - found " + assertionCount);
             }
             return super.visitVariable(node, p);
         }
     }
     private static void assertTrue(boolean cond, String msg) {
         assertionCount++;
         if (!cond)
             throw new AssertionError(msg);
     }
     static int assertionCount = 0;
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/multicatch/model/ModelChecker.java@f2048d9c666e (annotated)

test/tools/javac/multicatch/model/ModelChecker.java