1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package jdk.test.lib.jittester; 25 26 import jdk.test.lib.jittester.visitors.ByteCodeVisitor; 27 28 import java.io.IOException; 29 import java.io.PrintWriter; 30 import java.nio.file.Files; 31 import java.nio.file.Path; 32 import java.nio.file.StandardOpenOption; 33 import java.util.function.Function; 34 35 /** 36 * Generates class files from IRTree 37 */ 38 class ByteCodeGenerator extends TestsGenerator { 39 private static final String DEFAULT_SUFFIX = "bytecode_tests"; 40 41 ByteCodeGenerator() { 42 super(DEFAULT_SUFFIX, s -> new String[0], "-Xcomp"); 43 } 44 45 ByteCodeGenerator(String suffix, Function<String, String[]> preRunActions, String jtDriverOptions) { 46 super(suffix, preRunActions, jtDriverOptions); 47 } 48 49 @Override 50 public void accept(IRNode mainClass, IRNode privateClasses) { 51 generateClassFiles(mainClass, privateClasses); 52 generateSeparateJtregHeader(mainClass); 53 compilePrinter(); 54 generateGoldenOut(mainClass.getName()); 55 } 56 57 private void generateSeparateJtregHeader(IRNode mainClass) { 58 String mainClassName = mainClass.getName(); 59 writeFile(generatorDir, mainClassName + ".java", getJtregHeader(mainClassName)); 60 } 61 62 private void generateClassFiles(IRNode mainClass, IRNode privateClasses) { 63 String mainClassName = mainClass.getName(); 64 ensureExisting(generatorDir); 65 try { 66 ByteCodeVisitor vis = new ByteCodeVisitor(); 67 if (privateClasses != null) { 68 privateClasses.accept(vis); 69 } 70 mainClass.accept(vis); 71 writeFile(mainClassName + ".class", vis.getByteCode(mainClassName)); 72 if (privateClasses != null) { 73 privateClasses.getChildren().forEach(c -> { 74 String name = c.getName(); 75 writeFile(name + ".class", vis.getByteCode(name)); 76 }); 77 } 78 } catch (Throwable t) { 79 Path errFile = generatorDir.resolve(mainClassName + ".err"); 80 try (PrintWriter pw = new PrintWriter(Files.newOutputStream(errFile, 81 StandardOpenOption.CREATE, StandardOpenOption.WRITE))) { 82 t.printStackTrace(pw); 83 } catch (IOException e) { 84 t.printStackTrace(); 85 throw new Error("can't write error to error file " + errFile, e); 86 } 87 } 88 } 89 90 private void writeFile(String fileName, byte[] bytecode) { 91 try { 92 Files.write(generatorDir.resolve(fileName), bytecode); 93 } catch (IOException ex) { 94 ex.printStackTrace(); 95 } 96 } 97 }