93 lines
3.2 KiB
Java
93 lines
3.2 KiB
Java
/*
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* Copyright (c) 2010, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6967842
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* @summary Element not returned from tree API for ARM resource variables.
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* @author A. Sundararajan
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* @library /tools/javac/lib
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* @modules jdk.compiler
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* @build JavacTestingAbstractProcessor TestResourceElement
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* @compile -processor TestResourceElement -proc:only TestResourceElement.java
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*/
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import javax.annotation.processing.*;
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import javax.lang.model.*;
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import javax.lang.model.element.*;
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import java.util.*;
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import com.sun.source.tree.*;
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import com.sun.source.util.*;
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public class TestResourceElement extends JavacTestingAbstractProcessor implements AutoCloseable {
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public boolean process(Set<? extends TypeElement> annotations,
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RoundEnvironment roundEnv) {
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if (!roundEnv.processingOver()) {
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Trees trees = Trees.instance(processingEnv);
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for(Element rootElement : roundEnv.getRootElements()) {
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TreePath treePath = trees.getPath(rootElement);
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VariableScanner varScanner = new VariableScanner(trees);
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varScanner.scan(trees.getTree(rootElement),
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treePath.getCompilationUnit());
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if (varScanner.getTrvElement() == null) {
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throw new AssertionError("Element is null for 'trv'");
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}
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}
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}
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return true;
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}
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@Override
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public void close() {}
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private void test1() {
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// The resource variable "trv"'s Element is checked.
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// Do not change the name of the variable.
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try(TestResourceElement trv = this) {}
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}
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class VariableScanner extends TreeScanner<Void, CompilationUnitTree> {
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private Trees trees;
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private Element trvElement;
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public VariableScanner(Trees trees) {
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super();
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this.trees = trees;
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}
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@Override
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public Void visitVariable(VariableTree node, CompilationUnitTree cu) {
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// if this is "trv", get it's element.
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if (node.getName().contentEquals("trv")) {
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trvElement = trees.getElement(trees.getPath(cu, node));
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}
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return super.visitVariable(node, cu);
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}
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Element getTrvElement() {
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return trvElement;
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}
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}
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}
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