1 /* 2 * Copyright (c) 2015, 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 package com.sun.tools.jextract; 24 25 import jdk.internal.joptsimple.OptionException; 26 import jdk.internal.joptsimple.OptionParser; 27 import jdk.internal.joptsimple.OptionSet; 28 import jdk.internal.joptsimple.util.KeyValuePair; 29 30 import java.io.IOException; 31 import java.nio.file.Files; 32 import java.nio.file.Path; 33 import java.nio.file.Paths; 34 import java.text.MessageFormat; 35 import java.util.logging.ConsoleHandler; 36 import java.util.logging.Level; 37 import java.util.logging.Logger; 38 import java.util.logging.SimpleFormatter; 39 import java.util.Locale; 40 import java.util.ResourceBundle; 41 42 public final class Main { 43 public static final boolean DEBUG = Boolean.getBoolean("jextract.debug"); 44 45 // FIXME: Remove this if/when the macros support is deemed stable 46 public static boolean INCLUDE_MACROS = Boolean.parseBoolean(System.getProperty("jextract.INCLUDE_MACROS", "true")); 47 48 private static final String MESSAGES_RESOURCE = "com.sun.tools.jextract.resources.Messages"; 49 50 private static final ResourceBundle MESSAGES_BUNDLE; 51 static { 52 MESSAGES_BUNDLE = ResourceBundle.getBundle(MESSAGES_RESOURCE, Locale.getDefault()); 53 } 54 55 public static String format(String msgId, Object... args) { 56 return new MessageFormat(MESSAGES_BUNDLE.getString(msgId)).format(args); 57 } 58 59 final Context ctx; 60 String targetPackage; 61 62 public Main(Context ctx) { 63 this.ctx = ctx; 64 } 65 66 private void processPackageMapping(Object arg) { 67 String str = (String) arg; 68 Path p = null; 69 String pkgName; 70 if (str.indexOf('=') == -1) { 71 pkgName = str; 72 } else { 73 KeyValuePair kv = KeyValuePair.valueOf(str); 74 p = Paths.get(kv.key); 75 pkgName = kv.value; 76 77 if (!Files.isDirectory(p)) { 78 throw new IllegalArgumentException(format("not.a.directory", kv.key)); 79 } 80 } 81 82 Validators.validPackageName(pkgName); 83 ctx.usePackageForFolder(p, pkgName); 84 } 85 86 private void processHeader(Object header) { 87 Path p = Paths.get((String) header); 88 if (!Files.isReadable(p)) { 89 throw new IllegalArgumentException(format("cannot.read.header.file", header)); 90 } 91 p = p.toAbsolutePath(); 92 ctx.usePackageForFolder(p.getParent(), targetPackage); 93 ctx.sources.add(p); 94 } 95 96 private void setupLogging(Level level) { 97 Logger logger = ctx.logger; 98 logger.setUseParentHandlers(false); 99 ConsoleHandler log = new ConsoleHandler(); 100 System.setProperty("java.util.logging.SimpleFormatter.format", "%4$s: %5$s%n"); 101 log.setFormatter(new SimpleFormatter()); 102 logger.setLevel(level); 103 log.setLevel(level); 104 logger.addHandler(log); 105 } 106 107 private void printHelpAndExit(OptionParser parser) { 108 try { 109 parser.printHelpOn(System.err); 110 } catch (IOException ex) { 111 if (Main.DEBUG) { 112 ex.printStackTrace(System.err); 113 } 114 } 115 System.exit(1); 116 } 117 118 public void run(String[] args) { 119 OptionParser parser = new OptionParser(); 120 parser.accepts("dry-run", format("help.dry_run")); 121 parser.accepts("I", format("help.I")).withRequiredArg(); 122 parser.accepts("L", format("help.L")).withRequiredArg(); 123 parser.accepts("l", format("help.l")).withRequiredArg(); 124 parser.accepts("o", format("help.o")).withRequiredArg(); 125 parser.accepts("t", format("help.t")).withRequiredArg(); 126 parser.accepts("m", format("help.m")).withRequiredArg(); 127 parser.accepts("h", format("help.h")).forHelp(); 128 parser.accepts("help", format("help.h")).forHelp(); 129 parser.accepts("C", format("help.C")).withRequiredArg(); 130 parser.accepts("log", format("help.log")).withRequiredArg(); 131 parser.accepts("?", format("help.h")).forHelp(); 132 parser.nonOptions(format("help.non.option")); 133 134 OptionSet options = null; 135 try { 136 options = parser.parse(args); 137 } catch (OptionException oe) { 138 System.err.println(oe.getMessage()); 139 if (Main.DEBUG) { 140 oe.printStackTrace(System.err); 141 } 142 printHelpAndExit(parser); 143 } 144 145 if (args.length == 0 || options.has("h") || options.has("?") || options.has("help")) { 146 printHelpAndExit(parser); 147 } 148 149 if (options.has("log")) { 150 setupLogging(Level.parse((String) options.valueOf("log"))); 151 } else { 152 setupLogging(Level.WARNING); 153 } 154 155 if (options.has("I")) { 156 options.valuesOf("I").forEach(p -> ctx.clangArgs.add("-I" + p)); 157 } 158 159 if (options.has("C")) { 160 options.valuesOf("C").forEach(p -> ctx.clangArgs.add((String) p)); 161 } 162 163 if (options.has("l")) { 164 options.valuesOf("l").forEach(p -> ctx.libraries.add((String) p)); 165 } 166 167 targetPackage = options.has("t") ? (String) options.valueOf("t") : ""; 168 if (!targetPackage.isEmpty()) { 169 Validators.validPackageName(targetPackage); 170 } 171 172 if (options.has("m")) { 173 options.valuesOf("m").forEach(this::processPackageMapping); 174 } 175 176 try { 177 options.nonOptionArguments().stream().forEach(this::processHeader); 178 ctx.parse(AsmCodeFactory::new); 179 } catch (RuntimeException re) { 180 System.err.println(re.getMessage()); 181 if (Main.DEBUG) { 182 re.printStackTrace(System.err); 183 } 184 System.exit(2); 185 } 186 187 if (options.has("dry-run")) { 188 System.exit(0); 189 } 190 191 String outputName = options.has("o")? (String)options.valueOf("o") : 192 options.nonOptionArguments().get(0) + ".jar"; 193 Path jar = Paths.get(outputName); 194 try { 195 ctx.collectJarFile(jar, targetPackage); 196 } catch (IOException ex) { 197 System.err.println(format("cannot.write.jar.file", jar, ex)); 198 if (Main.DEBUG) { 199 ex.printStackTrace(System.err); 200 } 201 System.exit(3); 202 } 203 } 204 205 public static void main(String... args) { 206 Main instance = new Main(Context.getInstance()); 207 208 instance.run(args); 209 } 210 211 }