jdk8-mips64-public/langtools: test/tools/javac/multicatch/model/ModelChecker.java@b52a38d4536c (annotated)

test/tools/javac/multicatch/model/ModelChecker.java@b52a38d4536c (annotated)

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

Fri, 21 Dec 2012 08:45:43 -0800

author: darcy
date: Fri, 21 Dec 2012 08:45:43 -0800
changeset 1466: b52a38d4536c
parent 1054: 111bbf1ad913
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

8005282: Use @library tag with non-relative path for javac tests
Reviewed-by: jjg

 /*
  * Copyright (c) 2010, 2011, 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 7025809
  * @summary Project Coin: Use precise exception analysis for effectively final catch parameters
  * @library /tools/javac/lib
  * @build JavacTestingAbstractProcessor ModelChecker
  * @compile -processor ModelChecker Model01.java
  */
 import com.sun.source.tree.CatchTree;
 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;
 import javax.lang.model.type.TypeMirror;
 import javax.lang.model.type.TypeKind;
 import javax.lang.model.type.UnionType;
 import javax.lang.model.type.UnknownTypeException;
 import javax.lang.model.util.SimpleTypeVisitor6;
 import javax.lang.model.util.SimpleTypeVisitor7;
 @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 visitCatch(CatchTree node, Void p) {
             TreePath param = new TreePath(getCurrentPath(), node.getParameter());
             Element ex = trees.getElement(param);
             validateUnionTypeInfo(ex);
             if (ex.getSimpleName().contentEquals("ex")) {
                 assertTrue(ex.getKind() == ElementKind.EXCEPTION_PARAMETER, "Expected EXCEPTION_PARAMETER - found " + ex.getKind());
                 for (Element e : types.asElement(trees.getLub(node)).getEnclosedElements()) {
                     Member m = e.getAnnotation(Member.class);
                     if (m != null) {
                         assertTrue(e.getKind() == m.value(), "Expected " + m.value() + " - found " + e.getKind());
                     }
                 }
                 assertTrue(assertionCount == 9, "Expected 9 assertions - found " + assertionCount);
             }
             return super.visitCatch(node, p);
         }
     }
     private void validateUnionTypeInfo(Element ex) {
         UnionTypeInfo ut = ex.getAnnotation(UnionTypeInfo.class);
         assertTrue(ut != null, "UnionType annotation must be present");
         TypeMirror expectedUnionType = ex.asType();
         assertTrue(expectedUnionType.getKind() == TypeKind.UNION, "UNION kind expected");
         try {
             new SimpleTypeVisitor6<Void, Void>(){}.visit(expectedUnionType);
             throw new RuntimeException("Expected UnknownTypeException not thrown.");
         } catch (UnknownTypeException ute) {
             ; // Expected
         }
         UnionType unionType = new SimpleTypeVisitor<UnionType, Void>(){
             @Override
             protected UnionType defaultAction(TypeMirror e, Void p) {return null;}
             @Override
             public UnionType visitUnion(UnionType t, Void p) {return t;}
         }.visit(expectedUnionType);
         assertTrue(unionType != null, "Must get a non-null union type.");
         assertTrue(ut.value().length == unionType.getAlternatives().size(), "Cardinalities do not match");
         String[] typeNames = ut.value();
         for(int i = 0; i < typeNames.length; i++) {
             TypeMirror typeFromAnnotation = nameToType(typeNames[i]);
             assertTrue(types.isSameType(typeFromAnnotation, unionType.getAlternatives().get(i)),
                        "Types were not equal.");
         }
     }
     private TypeMirror nameToType(String name) {
         return elements.getTypeElement(name).asType();
     }
     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@b52a38d4536c (annotated)

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