1 /* 2 * Copyright (c) 2020, 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 import java.io.IOException; 25 import java.io.UncheckedIOException; 26 import java.nio.file.Path; 27 import java.nio.file.Paths; 28 import java.util.ArrayList; 29 import java.util.Arrays; 30 import java.util.regex.Matcher; 31 import java.util.regex.Pattern; 32 33 public class JtregJextract { 34 private final Path inputDir; 35 private final Path outputDir; 36 37 JtregJextract() { 38 this(null, null); 39 } 40 41 JtregJextract(Path input, Path output) { 42 inputDir = (input != null) ? input : 43 Paths.get(System.getProperty("test.src", ".")); 44 outputDir = (output != null) ? output : 45 Paths.get(System.getProperty("test.classes", ".")); 46 47 } 48 49 protected String[] processArgs(String... args) { 50 Pattern sysPropPattern = Pattern.compile("'?\\$\\((.*)\\)'?"); 51 ArrayList<String> jextrOpts = new ArrayList<>(); 52 53 jextrOpts.clear(); 54 jextrOpts.add("-C-nostdinc"); 55 jextrOpts.add("-I"); 56 jextrOpts.add(inputDir.toAbsolutePath().toString()); 57 jextrOpts.add("--output"); 58 jextrOpts.add(outputDir.toAbsolutePath().toString()); 59 jextrOpts.add("--compile"); 60 61 int i = 0; 62 while (i < args.length) { 63 String opt = args[i++]; 64 if ("--".equals(opt)) { 65 break; 66 } 67 68 if ("--compile".equals(opt) || "--output".equals(opt)) { 69 i++; 70 continue; 71 } 72 // Pattern $(system.property.name) is replaced with the 73 // value of the System property of that name. 74 Matcher m = sysPropPattern.matcher(opt); 75 if (m.matches()) { 76 jextrOpts.add(System.getProperty(m.group(1))); 77 } else { 78 jextrOpts.add(opt); 79 } 80 } 81 82 while (i < args.length) { 83 jextrOpts.add(getInputFilePath(args[i++]).toString()); 84 } 85 86 return jextrOpts.toArray(String[]::new); 87 } 88 89 protected int jextract(String... options) { 90 String[] args = processArgs(options); 91 String[] commands = new String[args.length + 1]; 92 commands[0] = Paths.get(System.getProperty("test.jdk"), "bin", "jextract").toString(); 93 System.arraycopy(args, 0, commands, 1, args.length); 94 try { 95 Process proc = new ProcessBuilder(commands).inheritIO().start(); 96 int result = proc.waitFor(); 97 if (result != 0) { 98 throw new RuntimeException("jextract returns non-zero value"); 99 } 100 return result; 101 } catch (IOException ioExp) { 102 throw new UncheckedIOException(ioExp); 103 } catch (InterruptedException intExp) { 104 throw new RuntimeException(intExp); 105 } 106 } 107 108 private Path getInputFilePath(String filename) { 109 return inputDir.resolve(filename).toAbsolutePath(); 110 } 111 112 public static int main(String[] args) { 113 JtregJextract jj = new JtregJextract(); 114 return jj.jextract(args); 115 } 116 }