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.File;
31 import java.io.IOException;
32 import java.io.PrintWriter;
33 import java.nio.file.Files;
34 import java.nio.file.Path;
35 import java.nio.file.Paths;
36 import java.text.MessageFormat;
37 import java.util.logging.ConsoleHandler;
38 import java.util.logging.Level;
39 import java.util.logging.Logger;
40 import java.util.logging.SimpleFormatter;
41 import java.util.Locale;
42 import java.util.ResourceBundle;
43 import java.util.spi.ToolProvider;
44
45 public final class Main {
46 public static final boolean DEBUG = Boolean.getBoolean("jextract.debug");
47
48 // FIXME: Remove this if/when the macros support is deemed stable
49 public static boolean INCLUDE_MACROS = Boolean.parseBoolean(System.getProperty("jextract.INCLUDE_MACROS", "true"));
50
51 private static final String MESSAGES_RESOURCE = "com.sun.tools.jextract.resources.Messages";
52
53 private static final ResourceBundle MESSAGES_BUNDLE;
54 static {
55 MESSAGES_BUNDLE = ResourceBundle.getBundle(MESSAGES_RESOURCE, Locale.getDefault());
56 }
57
58 public static String format(String msgId, Object... args) {
59 return new MessageFormat(MESSAGES_BUNDLE.getString(msgId)).format(args);
60 }
61
62 final Context ctx;
63 String targetPackage;
64
65 public Main(Context ctx) {
66 this.ctx = ctx;
67 }
68
69 private void processPackageMapping(Object arg) {
70 String str = (String) arg;
71 Path p = null;
72 String pkgName;
73 if (str.indexOf('=') == -1) {
74 pkgName = str;
75 } else {
76 KeyValuePair kv = KeyValuePair.valueOf(str);
77 p = Paths.get(kv.key);
78 pkgName = kv.value;
79
80 if (!Files.isDirectory(p)) {
81 throw new IllegalArgumentException(format("not.a.directory", kv.key));
82 }
83 }
84
85 Validators.validPackageName(pkgName);
86 ctx.usePackageForFolder(p, pkgName);
87 }
88
89 private void processHeader(Object header) {
90 Path p = Paths.get((String) header);
91 if (!Files.isReadable(p)) {
92 throw new IllegalArgumentException(format("cannot.read.header.file", header));
93 }
94 p = p.toAbsolutePath();
95 ctx.usePackageForFolder(p.getParent(), targetPackage);
96 ctx.addSource(p);
97 }
98
99 private void setupLogging(Level level) {
100 Logger logger = ctx.logger;
101 logger.setUseParentHandlers(false);
102 ConsoleHandler log = new ConsoleHandler();
103 System.setProperty("java.util.logging.SimpleFormatter.format", "%4$s: %5$s%n");
104 log.setFormatter(new SimpleFormatter());
105 logger.setLevel(level);
106 log.setLevel(level);
107 logger.addHandler(log);
108 }
109
110 private void printHelp(OptionParser parser) {
111 try {
112 parser.printHelpOn(ctx.err);
113 } catch (IOException ex) {
114 if (Main.DEBUG) {
115 ex.printStackTrace(ctx.err);
116 }
117 }
118 }
119
120 public int run(String[] args) {
121 OptionParser parser = new OptionParser();
122 parser.accepts("dry-run", format("help.dry_run"));
123 parser.accepts("I", format("help.I")).withRequiredArg();
124 // option is expected to specify paths to load shared libraries
125 // to check & warn missing symbols during jextract session.
126 parser.accepts("L", format("help.L")).withRequiredArg();
127 parser.accepts("l", format("help.l")).withRequiredArg();
128 parser.accepts("o", format("help.o")).withRequiredArg();
129 parser.accepts("t", format("help.t")).withRequiredArg();
130 parser.accepts("m", format("help.m")).withRequiredArg();
131 parser.accepts("h", format("help.h")).forHelp();
132 parser.accepts("help", format("help.h")).forHelp();
133 parser.accepts("C", format("help.C")).withRequiredArg();
134 parser.accepts("log", format("help.log")).withRequiredArg();
135 parser.accepts("rpath", format("help.rpath")).withRequiredArg();
136 parser.accepts("?", format("help.h")).forHelp();
137 parser.nonOptions(format("help.non.option"));
138
139 OptionSet options = null;
140 try {
141 options = parser.parse(args);
142 } catch (OptionException oe) {
143 ctx.err.println(oe.getMessage());
144 if (Main.DEBUG) {
145 oe.printStackTrace(ctx.err);
146 }
147 printHelp(parser);
148 return 1;
149 }
150
151 if (args.length == 0 || options.has("h") || options.has("?") || options.has("help")) {
152 printHelp(parser);
153 return args.length == 0? 1 : 0;
154 }
155
156 if (options.has("log")) {
157 setupLogging(Level.parse((String) options.valueOf("log")));
158 } else {
159 setupLogging(Level.WARNING);
160 }
161
162 if (options.has("I")) {
163 options.valuesOf("I").forEach(p -> ctx.addClangArg("-I" + p));
164 }
165
166 if (options.has("C")) {
167 options.valuesOf("C").forEach(p -> ctx.addClangArg((String) p));
168 }
169
170 if (options.has("l")) {
171 try {
172 options.valuesOf("l").forEach(p -> {
173 String lib = (String)p;
174 if (lib.indexOf(File.separatorChar) != -1) {
175 throw new IllegalArgumentException(format("l.name.should.not.be.path", lib));
176 }
177 ctx.addLibraryName(lib);
178 });
179 } catch (IllegalArgumentException iae) {
180 ctx.err.println(iae.getMessage());
181 if (Main.DEBUG) {
182 iae.printStackTrace(ctx.err);
183 }
184 return 1;
185 }
186 }
187
188 if (options.has("rpath")) {
189 // "rpath" with no "l" option!
190 if (options.has("l")) {
191 options.valuesOf("rpath").forEach(p -> ctx.addLibraryPath((String) p));
192 } else {
193 ctx.err.println(format("warn.rpath.without.l"));
194 }
195 }
196
197 if (options.has("L")) {
198 // "L" with no "l" option!
199 if (options.has("l")) {
200 options.valuesOf("L").forEach(p -> ctx.addLinkCheckPath((String) p));
201 } else {
202 ctx.err.println(format("warn.L.without.l"));
203 }
204 }
205
206 targetPackage = options.has("t") ? (String) options.valueOf("t") : "";
207 if (!targetPackage.isEmpty()) {
208 Validators.validPackageName(targetPackage);
209 }
210
211 if (options.has("m")) {
212 options.valuesOf("m").forEach(this::processPackageMapping);
213 }
214
215 try {
216 options.nonOptionArguments().stream().forEach(this::processHeader);
217 ctx.parse();
218 } catch (RuntimeException re) {
219 ctx.err.println(re.getMessage());
220 if (Main.DEBUG) {
221 re.printStackTrace(ctx.err);
222 }
223 return 2;
224 }
225
226 if (options.has("dry-run")) {
227 return 0;
228 }
229
230 String outputName = options.has("o")? (String)options.valueOf("o") :
231 options.nonOptionArguments().get(0) + ".jar";
232 Path jar = Paths.get(outputName);
233 try {
234 ctx.collectJarFile(jar, targetPackage);
235 } catch (IOException ex) {
236 ctx.err.println(format("cannot.write.jar.file", jar, ex));
237 if (Main.DEBUG) {
238 ex.printStackTrace(ctx.err);
239 }
240 return 3;
241 }
242
243 return 0;
244 }
245
246 public static void main(String... args) {
247 Main instance = new Main(new Context());
248
249 System.exit(instance.run(args));
250 }
251
252 public static class JextractToolProvider implements ToolProvider {
253 @Override
254 public String name() {
255 return "jextract";
256 }
257
258 @Override
259 public int run(PrintWriter out, PrintWriter err, String... args) {
260 // defensive check to throw security exception early.
261 // Note that the successful run of jextract under security
262 // manager would require far more permissions like loading
263 // library (clang), file system access etc.
264 if (System.getSecurityManager() != null) {
265 System.getSecurityManager().
266 checkPermission(new RuntimePermission("jextract"));
267 }
268
269 Main instance = new Main(new Context(out, err));
270 return instance.run(args);
271 }
272 }
273 }