author | dsamersoff |
Sun, 01 May 2016 12:47:00 +0300 | |
changeset 38152 | 80e5da81fb2c |
parent 35129 | 8b93709bf4e5 |
child 40631 | ed82623d7831 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 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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package compiler.compilercontrol.parser; |
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import compiler.compilercontrol.share.JSONFile; |
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import compiler.compilercontrol.share.method.MethodDescriptor; |
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import compiler.compilercontrol.share.scenario.DirectiveWriter; |
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import compiler.compilercontrol.share.scenario.Scenario; |
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import jdk.test.lib.OutputAnalyzer; |
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import jdk.test.lib.ProcessTools; |
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import jdk.test.lib.Utils; |
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import java.util.EnumSet; |
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import java.util.List; |
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import java.util.Random; |
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import java.util.stream.Collectors; |
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/** |
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* Creates a huge directive file |
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*/ |
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public final class HugeDirectiveUtil { |
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private static final Random RANDOM = Utils.getRandomInstance(); |
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protected static final String EXPECTED_ERROR_STRING = "Parsing of compiler " |
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+ "directives failed"; |
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private HugeDirectiveUtil() { } |
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/** |
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* Creates huge file with specified amount of directives |
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* |
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* @param descriptors a list of descriptors to be randomly used |
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* in match and inline blocks |
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* @param fileName a directives file name to be created |
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* @param amount an amount of match objects |
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*/ |
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public static void createHugeFile(List<MethodDescriptor> descriptors, |
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String fileName, int amount) { |
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try (DirectiveWriter file = new DirectiveWriter(fileName)) { |
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file.write(JSONFile.Element.ARRAY); |
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for (int i = 0; i < amount; i++) { |
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createMatchObject(descriptors, file, 1); |
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} |
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file.end(); |
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} |
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} |
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/** |
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* Creates match object in the given file with specified size |
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* |
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* @param descriptors a list of method descriptors to be used |
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* @param file a directive file to write at |
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* @param objectSize a size of the match object |
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*/ |
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public static void createMatchObject(List<MethodDescriptor> descriptors, |
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DirectiveWriter file, int objectSize) { |
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// get random amount of methods for the match |
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List<String> methods = getRandomDescriptors(descriptors); |
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file.match(methods.toArray(new String[methods.size()])); |
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for (int i = 0; i < objectSize; i++) { |
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// emit compiler block |
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file.emitCompiler(Utils.getRandomElement( |
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Scenario.Compiler.values())); |
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// add option inside the compiler block |
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file.option(Utils.getRandomElement(DirectiveWriter.Option.values()), |
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RANDOM.nextBoolean()); |
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file.end(); // ends compiler block |
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// add standalone option, enable can't be used standalone |
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EnumSet<DirectiveWriter.Option> options = EnumSet.complementOf( |
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EnumSet.of(DirectiveWriter.Option.ENABLE)); |
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file.option(Utils.getRandomElement(options), RANDOM.nextBoolean()); |
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} |
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// add inline block with random inlinees |
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methods = getRandomDescriptors(descriptors).stream() |
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.map(s -> (RANDOM.nextBoolean() ? "+" : "-") + s) |
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.collect(Collectors.toList()); |
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file.inline(methods); |
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// end match block |
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file.end(); |
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} |
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private static List<String> getRandomDescriptors( |
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List<MethodDescriptor> descriptors) { |
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int amount = 1 + RANDOM.nextInt(descriptors.size() - 1); |
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int skipAmount = RANDOM.nextInt(descriptors.size() - amount); |
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return descriptors.stream() |
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.skip(skipAmount) |
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.limit(amount) |
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.map(MethodDescriptor::getString) |
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.collect(Collectors.toList()); |
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} |
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protected static OutputAnalyzer execute(String fileName) { |
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OutputAnalyzer output; |
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try { |
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output = ProcessTools.executeTestJvm( |
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"-XX:+UnlockDiagnosticVMOptions", |
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"-XX:CompilerDirectivesLimit=1000", |
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"-XX:CompilerDirectivesFile=" + fileName, |
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"-version"); |
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} catch (Throwable thr) { |
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throw new Error("Execution failed with: " + thr, thr); |
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} |
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return output; |
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} |
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} |