1d71dd8604
Avoiding side-effects in Analyzer's speculative attribution. Reviewed-by: mcimadamore, vromero
108 lines
3.5 KiB
Java
108 lines
3.5 KiB
Java
/*
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* Copyright (c) 2015, 2019, 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 8230105
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* @summary Do not run Analyzers when Attr crashes with an exception.
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.comp
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* jdk.compiler/com.sun.tools.javac.tree
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* jdk.compiler/com.sun.tools.javac.util
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*/
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import java.io.IOException;
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import java.net.URI;
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import java.util.Arrays;
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import java.util.List;
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import javax.tools.JavaFileObject;
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import javax.tools.SimpleJavaFileObject;
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import com.sun.tools.javac.api.JavacTaskImpl;
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import com.sun.tools.javac.api.JavacTool;
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import com.sun.tools.javac.comp.Attr;
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import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
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import com.sun.tools.javac.util.Context;
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import com.sun.tools.javac.util.Context.Factory;
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public class DoNoRunAnalyzersWhenException {
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public static void main(String... args) throws Exception {
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new DoNoRunAnalyzersWhenException().run();
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}
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void run() throws IOException {
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JavacTool tool = JavacTool.create();
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JavaSource source = new JavaSource("class Test {" +
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" { String STOP = \"\"; }" +
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"}");
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Context context = new Context();
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CrashingAttr.preRegister(context);
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List<JavaSource> inputs = Arrays.asList(source);
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JavacTaskImpl task =
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(JavacTaskImpl) tool.getTask(null, null, null, List.of("-XDfind=all"), null, inputs, context);
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try {
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task.analyze(null);
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throw new AssertionError("Expected exception not seen.");
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} catch (StopException ex) {
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//ok
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}
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}
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static class CrashingAttr extends Attr {
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static void preRegister(Context context) {
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context.put(attrKey, (Factory<Attr>) c -> new CrashingAttr(c));
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}
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CrashingAttr(Context context) {
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super(context);
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}
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@Override public void visitVarDef(JCVariableDecl tree) {
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if (tree.name.contentEquals("STOP"))
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throw new StopException();
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super.visitVarDef(tree);
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}
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}
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static class StopException extends NullPointerException {}
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class JavaSource extends SimpleJavaFileObject {
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String source;
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JavaSource(String source) {
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super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
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this.source = source;
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}
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@Override
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public CharSequence getCharContent(boolean ignoreEncodingErrors) {
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return source;
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}
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}
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}
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