141 lines
4.4 KiB
Java
141 lines
4.4 KiB
Java
/*
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* Copyright (c) 2020, 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 8243047
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* @summary javac should not crash while processing exits in class initializers in Flow
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* @library /tools/lib /tools/javac/lib
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.file
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* jdk.compiler/com.sun.tools.javac.main
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* jdk.compiler/com.sun.tools.javac.util
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* @build toolbox.ToolBox toolbox.JavacTask
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* @build combo.ComboTestHelper
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* @compile ClassBlockExits.java
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* @run main ClassBlockExits
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*/
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import combo.ComboInstance;
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import combo.ComboParameter;
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import combo.ComboTask;
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import combo.ComboTestHelper;
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import java.io.StringWriter;
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import toolbox.ToolBox;
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public class ClassBlockExits extends ComboInstance<ClassBlockExits> {
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protected ToolBox tb;
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ClassBlockExits() {
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super();
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tb = new ToolBox();
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}
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public static void main(String... args) throws Exception {
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new ComboTestHelper<ClassBlockExits>()
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.withDimension("BLOCK", (x, block) -> x.block = block, Block.values())
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.withDimension("EXIT", (x, exit) -> x.exit = exit, Exit.values())
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.run(ClassBlockExits::new);
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}
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private Block block;
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private Exit exit;
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private static final String MAIN_TEMPLATE =
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"""
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public class Test {
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#{BLOCK}
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void t() {}
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}
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""";
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@Override
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protected void doWork() throws Throwable {
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StringWriter out = new StringWriter();
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ComboTask task = newCompilationTask()
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.withSourceFromTemplate(MAIN_TEMPLATE, pname -> switch (pname) {
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case "BLOCK" -> block;
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case "BODY" -> exit;
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default -> throw new UnsupportedOperationException(pname);
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})
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.withOption("-XDshould-stop.at=FLOW")
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.withOption("-XDdev")
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.withWriter(out);
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task.analyze(result -> {
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if (out.toString().length() > 0) {
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throw new AssertionError("No output expected, but got" + out + "\n\n" + result.compilationInfo());
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}
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});
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}
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public enum Block implements ComboParameter {
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STATIC("""
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static {
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#{BODY}
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}
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"""),
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INSTANCE("""
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{
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#{BODY}
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}
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"""),
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STATIC_INITIALIZER("""
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private static int i = switch (0) { default: #{BODY} case 0: yield 0; };
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"""),
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INITIALIZER("""
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private int i = switch (0) { default: #{BODY} case 0: yield 0; };
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""");
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private final String block;
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private Block(String block) {
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this.block = block;
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}
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@Override
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public String expand(String optParameter) {
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return block;
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}
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}
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public enum Exit implements ComboParameter {
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RETURN("return;"),
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RETURN_VALUE("return null;"),
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BREAK("break;"),
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BREAK_LABEL("break LABEL;"),
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CONTINUE("continue;"),
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CONTINUE_LABEL("continue LABEL;"),
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YIELD("yield 0;");
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private final String code;
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private Exit(String code) {
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this.code = code;
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}
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@Override
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public String expand(String optParameter) {
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return code;
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}
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}
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} |