Mercurial > jdk8-mips64-public > langtools / file revision
src/share/classes/com/sun/tools/javac/main/Option.java@584566b6d5e4
src/share/classes/com/sun/tools/javac/main/Option.java
Wed, 21 Jan 2015 10:42:49 +0000
- author
- mcimadamore
- date
- Wed, 21 Jan 2015 10:42:49 +0000
- changeset 2710
- 584566b6d5e4
- parent 2413
- fe033d997ddf
- child 2525
- 2eb010b6cb22
- permissions
- -rw-r--r--
8069181: java.lang.AssertionError when compiling JDK 1.4 code in JDK 8
Summary: remove erroneous call to modifiersOpt() in variable parsing
Reviewed-by: jfranck, jlahoda
1 /*
2 * Copyright (c) 2006, 2013, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 package com.sun.tools.javac.main;
28 import java.io.File;
29 import java.io.FileWriter;
30 import java.io.PrintWriter;
31 import java.util.Collections;
32 import java.util.EnumSet;
33 import java.util.LinkedHashMap;
34 import java.util.Map;
35 import java.util.Set;
37 import javax.lang.model.SourceVersion;
39 import com.sun.tools.doclint.DocLint;
40 import com.sun.tools.javac.code.Lint;
41 import com.sun.tools.javac.code.Source;
42 import com.sun.tools.javac.code.Type;
43 import com.sun.tools.javac.jvm.Profile;
44 import com.sun.tools.javac.jvm.Target;
45 import com.sun.tools.javac.processing.JavacProcessingEnvironment;
46 import com.sun.tools.javac.util.Log;
47 import com.sun.tools.javac.util.Log.PrefixKind;
48 import com.sun.tools.javac.util.Log.WriterKind;
49 import com.sun.tools.javac.util.Options;
50 import com.sun.tools.javac.util.StringUtils;
51 import static com.sun.tools.javac.main.Option.ChoiceKind.*;
52 import static com.sun.tools.javac.main.Option.OptionGroup.*;
53 import static com.sun.tools.javac.main.Option.OptionKind.*;
55 /**
56 * Options for javac. The specific Option to handle a command-line option
57 * is identified by searching the members of this enum in order, looking
58 * the first {@link #matches match}. The action for an Option is performed
59 * by calling {@link #process process}, and by providing a suitable
60 * {@link OptionHelper} to provide access the compiler state.
61 *
62 * <p><b>This is NOT part of any supported API.
63 * If you write code that depends on this, you do so at your own
64 * risk. This code and its internal interfaces are subject to change
65 * or deletion without notice.</b></p>
66 */
67 public enum Option {
68 G("-g", "opt.g", STANDARD, BASIC),
70 G_NONE("-g:none", "opt.g.none", STANDARD, BASIC) {
71 @Override
72 public boolean process(OptionHelper helper, String option) {
73 helper.put("-g:", "none");
74 return false;
75 }
76 },
78 G_CUSTOM("-g:", "opt.g.lines.vars.source",
79 STANDARD, BASIC, ANYOF, "lines", "vars", "source"),
81 XLINT("-Xlint", "opt.Xlint", EXTENDED, BASIC),
83 XLINT_CUSTOM("-Xlint:", "opt.Xlint.suboptlist",
84 EXTENDED, BASIC, ANYOF, getXLintChoices()),
86 XDOCLINT("-Xdoclint", "opt.Xdoclint", EXTENDED, BASIC),
88 XDOCLINT_CUSTOM("-Xdoclint:", "opt.Xdoclint.subopts", "opt.Xdoclint.custom", EXTENDED, BASIC) {
89 @Override
90 public boolean matches(String option) {
91 return DocLint.isValidOption(
92 option.replace(XDOCLINT_CUSTOM.text, DocLint.XMSGS_CUSTOM_PREFIX));
93 }
95 @Override
96 public boolean process(OptionHelper helper, String option) {
97 String prev = helper.get(XDOCLINT_CUSTOM);
98 String next = (prev == null) ? option : (prev + " " + option);
99 helper.put(XDOCLINT_CUSTOM.text, next);
100 return false;
101 }
102 },
104 // -nowarn is retained for command-line backward compatibility
105 NOWARN("-nowarn", "opt.nowarn", STANDARD, BASIC) {
106 @Override
107 public boolean process(OptionHelper helper, String option) {
108 helper.put("-Xlint:none", option);
109 return false;
110 }
111 },
113 VERBOSE("-verbose", "opt.verbose", STANDARD, BASIC),
115 // -deprecation is retained for command-line backward compatibility
116 DEPRECATION("-deprecation", "opt.deprecation", STANDARD, BASIC) {
117 @Override
118 public boolean process(OptionHelper helper, String option) {
119 helper.put("-Xlint:deprecation", option);
120 return false;
121 }
122 },
124 CLASSPATH("-classpath", "opt.arg.path", "opt.classpath", STANDARD, FILEMANAGER),
126 CP("-cp", "opt.arg.path", "opt.classpath", STANDARD, FILEMANAGER) {
127 @Override
128 public boolean process(OptionHelper helper, String option, String arg) {
129 return super.process(helper, "-classpath", arg);
130 }
131 },
133 SOURCEPATH("-sourcepath", "opt.arg.path", "opt.sourcepath", STANDARD, FILEMANAGER),
135 BOOTCLASSPATH("-bootclasspath", "opt.arg.path", "opt.bootclasspath", STANDARD, FILEMANAGER) {
136 @Override
137 public boolean process(OptionHelper helper, String option, String arg) {
138 helper.remove("-Xbootclasspath/p:");
139 helper.remove("-Xbootclasspath/a:");
140 return super.process(helper, option, arg);
141 }
142 },
144 XBOOTCLASSPATH_PREPEND("-Xbootclasspath/p:", "opt.arg.path", "opt.Xbootclasspath.p", EXTENDED, FILEMANAGER),
146 XBOOTCLASSPATH_APPEND("-Xbootclasspath/a:", "opt.arg.path", "opt.Xbootclasspath.a", EXTENDED, FILEMANAGER),
148 XBOOTCLASSPATH("-Xbootclasspath:", "opt.arg.path", "opt.bootclasspath", EXTENDED, FILEMANAGER) {
149 @Override
150 public boolean process(OptionHelper helper, String option, String arg) {
151 helper.remove("-Xbootclasspath/p:");
152 helper.remove("-Xbootclasspath/a:");
153 return super.process(helper, "-bootclasspath", arg);
154 }
155 },
157 EXTDIRS("-extdirs", "opt.arg.dirs", "opt.extdirs", STANDARD, FILEMANAGER),
159 DJAVA_EXT_DIRS("-Djava.ext.dirs=", "opt.arg.dirs", "opt.extdirs", EXTENDED, FILEMANAGER) {
160 @Override
161 public boolean process(OptionHelper helper, String option, String arg) {
162 return super.process(helper, "-extdirs", arg);
163 }
164 },
166 ENDORSEDDIRS("-endorseddirs", "opt.arg.dirs", "opt.endorseddirs", STANDARD, FILEMANAGER),
168 DJAVA_ENDORSED_DIRS("-Djava.endorsed.dirs=", "opt.arg.dirs", "opt.endorseddirs", EXTENDED, FILEMANAGER) {
169 @Override
170 public boolean process(OptionHelper helper, String option, String arg) {
171 return super.process(helper, "-endorseddirs", arg);
172 }
173 },
175 PROC("-proc:", "opt.proc.none.only", STANDARD, BASIC, ONEOF, "none", "only"),
177 PROCESSOR("-processor", "opt.arg.class.list", "opt.processor", STANDARD, BASIC),
179 PROCESSORPATH("-processorpath", "opt.arg.path", "opt.processorpath", STANDARD, FILEMANAGER),
181 PARAMETERS("-parameters","opt.parameters", STANDARD, BASIC),
183 D("-d", "opt.arg.directory", "opt.d", STANDARD, FILEMANAGER),
185 S("-s", "opt.arg.directory", "opt.sourceDest", STANDARD, FILEMANAGER),
187 H("-h", "opt.arg.directory", "opt.headerDest", STANDARD, FILEMANAGER),
189 IMPLICIT("-implicit:", "opt.implicit", STANDARD, BASIC, ONEOF, "none", "class"),
191 ENCODING("-encoding", "opt.arg.encoding", "opt.encoding", STANDARD, FILEMANAGER) {
192 @Override
193 public boolean process(OptionHelper helper, String option, String operand) {
194 return super.process(helper, option, operand);
195 }
197 },
199 SOURCE("-source", "opt.arg.release", "opt.source", STANDARD, BASIC) {
200 @Override
201 public boolean process(OptionHelper helper, String option, String operand) {
202 Source source = Source.lookup(operand);
203 if (source == null) {
204 helper.error("err.invalid.source", operand);
205 return true;
206 }
207 return super.process(helper, option, operand);
208 }
209 },
211 TARGET("-target", "opt.arg.release", "opt.target", STANDARD, BASIC) {
212 @Override
213 public boolean process(OptionHelper helper, String option, String operand) {
214 Target target = Target.lookup(operand);
215 if (target == null) {
216 helper.error("err.invalid.target", operand);
217 return true;
218 }
219 return super.process(helper, option, operand);
220 }
221 },
223 PROFILE("-profile", "opt.arg.profile", "opt.profile", STANDARD, BASIC) {
224 @Override
225 public boolean process(OptionHelper helper, String option, String operand) {
226 Profile profile = Profile.lookup(operand);
227 if (profile == null) {
228 helper.error("err.invalid.profile", operand);
229 return true;
230 }
231 return super.process(helper, option, operand);
232 }
233 },
235 VERSION("-version", "opt.version", STANDARD, INFO) {
236 @Override
237 public boolean process(OptionHelper helper, String option) {
238 Log log = helper.getLog();
239 String ownName = helper.getOwnName();
240 log.printLines(PrefixKind.JAVAC, "version", ownName, JavaCompiler.version());
241 return super.process(helper, option);
242 }
243 },
245 FULLVERSION("-fullversion", null, HIDDEN, INFO) {
246 @Override
247 public boolean process(OptionHelper helper, String option) {
248 Log log = helper.getLog();
249 String ownName = helper.getOwnName();
250 log.printLines(PrefixKind.JAVAC, "fullVersion", ownName, JavaCompiler.fullVersion());
251 return super.process(helper, option);
252 }
253 },
255 DIAGS("-XDdiags=", null, HIDDEN, INFO) {
256 @Override
257 public boolean process(OptionHelper helper, String option) {
258 option = option.substring(option.indexOf('=') + 1);
259 String diagsOption = option.contains("%") ?
260 "-XDdiagsFormat=" :
261 "-XDdiags=";
262 diagsOption += option;
263 if (XD.matches(diagsOption))
264 return XD.process(helper, diagsOption);
265 else
266 return false;
267 }
268 },
270 HELP("-help", "opt.help", STANDARD, INFO) {
271 @Override
272 public boolean process(OptionHelper helper, String option) {
273 Log log = helper.getLog();
274 String ownName = helper.getOwnName();
275 log.printLines(PrefixKind.JAVAC, "msg.usage.header", ownName);
276 for (Option o: getJavaCompilerOptions()) {
277 o.help(log, OptionKind.STANDARD);
278 }
279 log.printNewline();
280 return super.process(helper, option);
281 }
282 },
284 A("-A", "opt.arg.key.equals.value", "opt.A", STANDARD, BASIC, true) {
285 @Override
286 public boolean matches(String arg) {
287 return arg.startsWith("-A");
288 }
290 @Override
291 public boolean hasArg() {
292 return false;
293 }
294 // Mapping for processor options created in
295 // JavacProcessingEnvironment
296 @Override
297 public boolean process(OptionHelper helper, String option) {
298 int argLength = option.length();
299 if (argLength == 2) {
300 helper.error("err.empty.A.argument");
301 return true;
302 }
303 int sepIndex = option.indexOf('=');
304 String key = option.substring(2, (sepIndex != -1 ? sepIndex : argLength) );
305 if (!JavacProcessingEnvironment.isValidOptionName(key)) {
306 helper.error("err.invalid.A.key", option);
307 return true;
308 }
309 return process(helper, option, option);
310 }
311 },
313 X("-X", "opt.X", STANDARD, INFO) {
314 @Override
315 public boolean process(OptionHelper helper, String option) {
316 Log log = helper.getLog();
317 for (Option o: getJavaCompilerOptions()) {
318 o.help(log, OptionKind.EXTENDED);
319 }
320 log.printNewline();
321 log.printLines(PrefixKind.JAVAC, "msg.usage.nonstandard.footer");
322 return super.process(helper, option);
323 }
324 },
326 // This option exists only for the purpose of documenting itself.
327 // It's actually implemented by the launcher.
328 J("-J", "opt.arg.flag", "opt.J", STANDARD, INFO, true) {
329 @Override
330 public boolean process(OptionHelper helper, String option) {
331 throw new AssertionError
332 ("the -J flag should be caught by the launcher.");
333 }
334 },
336 MOREINFO("-moreinfo", null, HIDDEN, BASIC) {
337 @Override
338 public boolean process(OptionHelper helper, String option) {
339 Type.moreInfo = true;
340 return super.process(helper, option);
341 }
342 },
344 // treat warnings as errors
345 WERROR("-Werror", "opt.Werror", STANDARD, BASIC),
347 // prompt after each error
348 // new Option("-prompt", "opt.prompt"),
349 PROMPT("-prompt", null, HIDDEN, BASIC),
351 // dump stack on error
352 DOE("-doe", null, HIDDEN, BASIC),
354 // output source after type erasure
355 PRINTSOURCE("-printsource", null, HIDDEN, BASIC),
357 // display warnings for generic unchecked operations
358 WARNUNCHECKED("-warnunchecked", null, HIDDEN, BASIC) {
359 @Override
360 public boolean process(OptionHelper helper, String option) {
361 helper.put("-Xlint:unchecked", option);
362 return false;
363 }
364 },
366 XMAXERRS("-Xmaxerrs", "opt.arg.number", "opt.maxerrs", EXTENDED, BASIC),
368 XMAXWARNS("-Xmaxwarns", "opt.arg.number", "opt.maxwarns", EXTENDED, BASIC),
370 XSTDOUT("-Xstdout", "opt.arg.file", "opt.Xstdout", EXTENDED, INFO) {
371 @Override
372 public boolean process(OptionHelper helper, String option, String arg) {
373 try {
374 Log log = helper.getLog();
375 // TODO: this file should be closed at the end of compilation
376 log.setWriters(new PrintWriter(new FileWriter(arg), true));
377 } catch (java.io.IOException e) {
378 helper.error("err.error.writing.file", arg, e);
379 return true;
380 }
381 return super.process(helper, option, arg);
382 }
383 },
385 XPRINT("-Xprint", "opt.print", EXTENDED, BASIC),
387 XPRINTROUNDS("-XprintRounds", "opt.printRounds", EXTENDED, BASIC),
389 XPRINTPROCESSORINFO("-XprintProcessorInfo", "opt.printProcessorInfo", EXTENDED, BASIC),
391 XPREFER("-Xprefer:", "opt.prefer", EXTENDED, BASIC, ONEOF, "source", "newer"),
393 // see enum PkgInfo
394 XPKGINFO("-Xpkginfo:", "opt.pkginfo", EXTENDED, BASIC, ONEOF, "always", "legacy", "nonempty"),
396 /* -O is a no-op, accepted for backward compatibility. */
397 O("-O", null, HIDDEN, BASIC),
399 /* -Xjcov produces tables to support the code coverage tool jcov. */
400 XJCOV("-Xjcov", null, HIDDEN, BASIC),
402 PLUGIN("-Xplugin:", "opt.arg.plugin", "opt.plugin", EXTENDED, BASIC) {
403 @Override
404 public boolean process(OptionHelper helper, String option) {
405 String p = option.substring(option.indexOf(':') + 1);
406 String prev = helper.get(PLUGIN);
407 helper.put(PLUGIN.text, (prev == null) ? p : prev + '\0' + p.trim());
408 return false;
409 }
410 },
412 XDIAGS("-Xdiags:", "opt.diags", EXTENDED, BASIC, ONEOF, "compact", "verbose"),
414 /* This is a back door to the compiler's option table.
415 * -XDx=y sets the option x to the value y.
416 * -XDx sets the option x to the value x.
417 */
418 XD("-XD", null, HIDDEN, BASIC) {
419 @Override
420 public boolean matches(String s) {
421 return s.startsWith(text);
422 }
423 @Override
424 public boolean process(OptionHelper helper, String option) {
425 option = option.substring(text.length());
426 int eq = option.indexOf('=');
427 String key = (eq < 0) ? option : option.substring(0, eq);
428 String value = (eq < 0) ? option : option.substring(eq+1);
429 helper.put(key, value);
430 return false;
431 }
432 },
434 // This option exists only for the purpose of documenting itself.
435 // It's actually implemented by the CommandLine class.
436 AT("@", "opt.arg.file", "opt.AT", STANDARD, INFO, true) {
437 @Override
438 public boolean process(OptionHelper helper, String option) {
439 throw new AssertionError("the @ flag should be caught by CommandLine.");
440 }
441 },
443 /*
444 * TODO: With apt, the matches method accepts anything if
445 * -XclassAsDecls is used; code elsewhere does the lookup to
446 * see if the class name is both legal and found.
447 *
448 * In apt, the process method adds the candidate class file
449 * name to a separate list.
450 */
451 SOURCEFILE("sourcefile", null, HIDDEN, INFO) {
452 @Override
453 public boolean matches(String s) {
454 return s.endsWith(".java") // Java source file
455 || SourceVersion.isName(s); // Legal type name
456 }
457 @Override
458 public boolean process(OptionHelper helper, String option) {
459 if (option.endsWith(".java") ) {
460 File f = new File(option);
461 if (!f.exists()) {
462 helper.error("err.file.not.found", f);
463 return true;
464 }
465 if (!f.isFile()) {
466 helper.error("err.file.not.file", f);
467 return true;
468 }
469 helper.addFile(f);
470 } else {
471 helper.addClassName(option);
472 }
473 return false;
474 }
475 };
477 /** The kind of an Option. This is used by the -help and -X options. */
478 public enum OptionKind {
479 /** A standard option, documented by -help. */
480 STANDARD,
481 /** An extended option, documented by -X. */
482 EXTENDED,
483 /** A hidden option, not documented. */
484 HIDDEN,
485 }
487 /** The group for an Option. This determines the situations in which the
488 * option is applicable. */
489 enum OptionGroup {
490 /** A basic option, available for use on the command line or via the
491 * Compiler API. */
492 BASIC,
493 /** An option for javac's standard JavaFileManager. Other file managers
494 * may or may not support these options. */
495 FILEMANAGER,
496 /** A command-line option that requests information, such as -help. */
497 INFO,
498 /** A command-line "option" representing a file or class name. */
499 OPERAND
500 }
502 /** The kind of choice for "choice" options. */
503 enum ChoiceKind {
504 /** The expected value is exactly one of the set of choices. */
505 ONEOF,
506 /** The expected value is one of more of the set of choices. */
507 ANYOF
508 }
510 public final String text;
512 final OptionKind kind;
514 final OptionGroup group;
516 /** Documentation key for arguments.
517 */
518 final String argsNameKey;
520 /** Documentation key for description.
521 */
522 final String descrKey;
524 /** Suffix option (-foo=bar or -foo:bar)
525 */
526 final boolean hasSuffix;
528 /** The kind of choices for this option, if any.
529 */
530 final ChoiceKind choiceKind;
532 /** The choices for this option, if any, and whether or not the choices
533 * are hidden
534 */
535 final Map<String,Boolean> choices;
538 Option(String text, String descrKey,
539 OptionKind kind, OptionGroup group) {
540 this(text, null, descrKey, kind, group, null, null, false);
541 }
543 Option(String text, String argsNameKey, String descrKey,
544 OptionKind kind, OptionGroup group) {
545 this(text, argsNameKey, descrKey, kind, group, null, null, false);
546 }
548 Option(String text, String argsNameKey, String descrKey,
549 OptionKind kind, OptionGroup group, boolean doHasSuffix) {
550 this(text, argsNameKey, descrKey, kind, group, null, null, doHasSuffix);
551 }
553 Option(String text, String descrKey,
554 OptionKind kind, OptionGroup group,
555 ChoiceKind choiceKind, Map<String,Boolean> choices) {
556 this(text, null, descrKey, kind, group, choiceKind, choices, false);
557 }
559 Option(String text, String descrKey,
560 OptionKind kind, OptionGroup group,
561 ChoiceKind choiceKind, String... choices) {
562 this(text, null, descrKey, kind, group, choiceKind,
563 createChoices(choices), false);
564 }
565 // where
566 private static Map<String,Boolean> createChoices(String... choices) {
567 Map<String,Boolean> map = new LinkedHashMap<String,Boolean>();
568 for (String c: choices)
569 map.put(c, false);
570 return map;
571 }
573 private Option(String text, String argsNameKey, String descrKey,
574 OptionKind kind, OptionGroup group,
575 ChoiceKind choiceKind, Map<String,Boolean> choices,
576 boolean doHasSuffix) {
577 this.text = text;
578 this.argsNameKey = argsNameKey;
579 this.descrKey = descrKey;
580 this.kind = kind;
581 this.group = group;
582 this.choiceKind = choiceKind;
583 this.choices = choices;
584 char lastChar = text.charAt(text.length()-1);
585 this.hasSuffix = doHasSuffix || lastChar == ':' || lastChar == '=';
586 }
588 public String getText() {
589 return text;
590 }
592 public OptionKind getKind() {
593 return kind;
594 }
596 public boolean hasArg() {
597 return argsNameKey != null && !hasSuffix;
598 }
600 public boolean matches(String option) {
601 if (!hasSuffix)
602 return option.equals(text);
604 if (!option.startsWith(text))
605 return false;
607 if (choices != null) {
608 String arg = option.substring(text.length());
609 if (choiceKind == ChoiceKind.ONEOF)
610 return choices.keySet().contains(arg);
611 else {
612 for (String a: arg.split(",+")) {
613 if (!choices.keySet().contains(a))
614 return false;
615 }
616 }
617 }
619 return true;
620 }
622 public boolean process(OptionHelper helper, String option, String arg) {
623 if (choices != null) {
624 if (choiceKind == ChoiceKind.ONEOF) {
625 // some clients like to see just one of option+choice set
626 for (String s: choices.keySet())
627 helper.remove(option + s);
628 String opt = option + arg;
629 helper.put(opt, opt);
630 // some clients like to see option (without trailing ":")
631 // set to arg
632 String nm = option.substring(0, option.length() - 1);
633 helper.put(nm, arg);
634 } else {
635 // set option+word for each word in arg
636 for (String a: arg.split(",+")) {
637 String opt = option + a;
638 helper.put(opt, opt);
639 }
640 }
641 }
642 helper.put(option, arg);
643 return false;
644 }
646 public boolean process(OptionHelper helper, String option) {
647 if (hasSuffix)
648 return process(helper, text, option.substring(text.length()));
649 else
650 return process(helper, option, option);
651 }
653 void help(Log log, OptionKind kind) {
654 if (this.kind != kind)
655 return;
657 log.printRawLines(WriterKind.NOTICE,
658 String.format(" %-26s %s",
659 helpSynopsis(log),
660 log.localize(PrefixKind.JAVAC, descrKey)));
662 }
664 private String helpSynopsis(Log log) {
665 StringBuilder sb = new StringBuilder();
666 sb.append(text);
667 if (argsNameKey == null) {
668 if (choices != null) {
669 String sep = "{";
670 for (Map.Entry<String,Boolean> e: choices.entrySet()) {
671 if (!e.getValue()) {
672 sb.append(sep);
673 sb.append(e.getKey());
674 sep = ",";
675 }
676 }
677 sb.append("}");
678 }
679 } else {
680 if (!hasSuffix)
681 sb.append(" ");
682 sb.append(log.localize(PrefixKind.JAVAC, argsNameKey));
684 }
686 return sb.toString();
687 }
689 // For -XpkgInfo:value
690 public enum PkgInfo {
691 /**
692 * Always generate package-info.class for every package-info.java file.
693 * The file may be empty if there annotations with a RetentionPolicy
694 * of CLASS or RUNTIME. This option may be useful in conjunction with
695 * build systems (such as Ant) that expect javac to generate at least
696 * one .class file for every .java file.
697 */
698 ALWAYS,
699 /**
700 * Generate a package-info.class file if package-info.java contains
701 * annotations. The file may be empty if all the annotations have
702 * a RetentionPolicy of SOURCE.
703 * This value is just for backwards compatibility with earlier behavior.
704 * Either of the other two values are to be preferred to using this one.
705 */
706 LEGACY,
707 /**
708 * Generate a package-info.class file if and only if there are annotations
709 * in package-info.java to be written into it.
710 */
711 NONEMPTY;
713 public static PkgInfo get(Options options) {
714 String v = options.get(XPKGINFO);
715 return (v == null
716 ? PkgInfo.LEGACY
717 : PkgInfo.valueOf(StringUtils.toUpperCase(v)));
718 }
719 }
721 private static Map<String,Boolean> getXLintChoices() {
722 Map<String,Boolean> choices = new LinkedHashMap<String,Boolean>();
723 choices.put("all", false);
724 for (Lint.LintCategory c : Lint.LintCategory.values())
725 choices.put(c.option, c.hidden);
726 for (Lint.LintCategory c : Lint.LintCategory.values())
727 choices.put("-" + c.option, c.hidden);
728 choices.put("none", false);
729 return choices;
730 }
732 static Set<Option> getJavaCompilerOptions() {
733 return EnumSet.allOf(Option.class);
734 }
736 public static Set<Option> getJavacFileManagerOptions() {
737 return getOptions(EnumSet.of(FILEMANAGER));
738 }
740 public static Set<Option> getJavacToolOptions() {
741 return getOptions(EnumSet.of(BASIC));
742 }
744 static Set<Option> getOptions(Set<OptionGroup> desired) {
745 Set<Option> options = EnumSet.noneOf(Option.class);
746 for (Option option : Option.values())
747 if (desired.contains(option.group))
748 options.add(option);
749 return Collections.unmodifiableSet(options);
750 }
752 }
