| /* |
| * Copyright (c) 2006, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.javac.main; |
| |
| import java.io.FileWriter; |
| import java.io.PrintWriter; |
| import java.lang.module.ModuleDescriptor; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.text.Collator; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.EnumSet; |
| import java.util.Iterator; |
| import java.util.LinkedHashSet; |
| import java.util.Locale; |
| import java.util.ServiceLoader; |
| import java.util.Set; |
| import java.util.TreeSet; |
| import java.util.regex.Pattern; |
| import java.util.stream.Collectors; |
| import java.util.stream.StreamSupport; |
| |
| import javax.lang.model.SourceVersion; |
| |
| import jdk.internal.misc.VM; |
| |
| import com.sun.tools.doclint.DocLint; |
| import com.sun.tools.javac.code.Lint; |
| import com.sun.tools.javac.code.Lint.LintCategory; |
| import com.sun.tools.javac.code.Source; |
| import com.sun.tools.javac.code.Type; |
| import com.sun.tools.javac.jvm.Profile; |
| import com.sun.tools.javac.jvm.Target; |
| import com.sun.tools.javac.platform.PlatformProvider; |
| import com.sun.tools.javac.processing.JavacProcessingEnvironment; |
| import com.sun.tools.javac.util.Assert; |
| import com.sun.tools.javac.util.Log; |
| import com.sun.tools.javac.util.Log.PrefixKind; |
| import com.sun.tools.javac.util.Log.WriterKind; |
| import com.sun.tools.javac.util.Options; |
| import com.sun.tools.javac.util.StringUtils; |
| |
| import static com.sun.tools.javac.main.Option.ChoiceKind.*; |
| import static com.sun.tools.javac.main.Option.OptionGroup.*; |
| import static com.sun.tools.javac.main.Option.OptionKind.*; |
| |
| /** |
| * Options for javac. |
| * The specific Option to handle a command-line option can be found by calling |
| * {@link #lookup}, which search some or all of the members of this enum in order, |
| * looking for the first {@link #matches match}. |
| * The action for an Option is performed {@link #handleOption}, which determines |
| * whether an argument is needed and where to find it; |
| * {@code handleOption} then calls {@link #process process} providing a suitable |
| * {@link OptionHelper} to provide access the compiler state. |
| * |
| * <p><b>This is NOT part of any supported API. |
| * If you write code that depends on this, you do so at your own |
| * risk. This code and its internal interfaces are subject to change |
| * or deletion without notice.</b></p> |
| */ |
| public enum Option { |
| G("-g", "opt.g", STANDARD, BASIC), |
| |
| G_NONE("-g:none", "opt.g.none", STANDARD, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option) { |
| helper.put("-g:", "none"); |
| } |
| }, |
| |
| G_CUSTOM("-g:", "opt.g.lines.vars.source", |
| STANDARD, BASIC, ANYOF, "lines", "vars", "source"), |
| |
| XLINT("-Xlint", "opt.Xlint", EXTENDED, BASIC), |
| |
| XLINT_CUSTOM("-Xlint:", "opt.arg.Xlint", "opt.Xlint.custom", EXTENDED, BASIC, ANYOF, getXLintChoices()) { |
| private final String LINT_KEY_FORMAT = LARGE_INDENT + " %-" + |
| (DEFAULT_SYNOPSIS_WIDTH + SMALL_INDENT.length() - LARGE_INDENT.length() - 2) + "s %s"; |
| @Override |
| protected void help(Log log) { |
| super.help(log); |
| log.printRawLines(WriterKind.STDOUT, |
| String.format(LINT_KEY_FORMAT, |
| "all", |
| log.localize(PrefixKind.JAVAC, "opt.Xlint.all"))); |
| for (LintCategory lc : LintCategory.values()) { |
| log.printRawLines(WriterKind.STDOUT, |
| String.format(LINT_KEY_FORMAT, |
| lc.option, |
| log.localize(PrefixKind.JAVAC, |
| "opt.Xlint.desc." + lc.option))); |
| } |
| log.printRawLines(WriterKind.STDOUT, |
| String.format(LINT_KEY_FORMAT, |
| "none", |
| log.localize(PrefixKind.JAVAC, "opt.Xlint.none"))); |
| } |
| }, |
| |
| XDOCLINT("-Xdoclint", "opt.Xdoclint", EXTENDED, BASIC), |
| |
| XDOCLINT_CUSTOM("-Xdoclint:", "opt.Xdoclint.subopts", "opt.Xdoclint.custom", EXTENDED, BASIC) { |
| @Override |
| public boolean matches(String option) { |
| return DocLint.isValidOption( |
| option.replace(XDOCLINT_CUSTOM.primaryName, DocLint.XMSGS_CUSTOM_PREFIX)); |
| } |
| |
| @Override |
| public void process(OptionHelper helper, String option) { |
| String prev = helper.get(XDOCLINT_CUSTOM); |
| String next = (prev == null) ? option : (prev + " " + option); |
| helper.put(XDOCLINT_CUSTOM.primaryName, next); |
| } |
| }, |
| |
| XDOCLINT_PACKAGE("-Xdoclint/package:", "opt.Xdoclint.package.args", "opt.Xdoclint.package.desc", EXTENDED, BASIC) { |
| @Override |
| public boolean matches(String option) { |
| return DocLint.isValidOption( |
| option.replace(XDOCLINT_PACKAGE.primaryName, DocLint.XCHECK_PACKAGE)); |
| } |
| |
| @Override |
| public void process(OptionHelper helper, String option) { |
| String prev = helper.get(XDOCLINT_PACKAGE); |
| String next = (prev == null) ? option : (prev + " " + option); |
| helper.put(XDOCLINT_PACKAGE.primaryName, next); |
| } |
| }, |
| |
| DOCLINT_FORMAT("--doclint-format", "opt.doclint.format", EXTENDED, BASIC, ONEOF, "html4", "html5"), |
| |
| // -nowarn is retained for command-line backward compatibility |
| NOWARN("-nowarn", "opt.nowarn", STANDARD, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option) { |
| helper.put("-Xlint:none", option); |
| } |
| }, |
| |
| VERBOSE("-verbose", "opt.verbose", STANDARD, BASIC), |
| |
| // -deprecation is retained for command-line backward compatibility |
| DEPRECATION("-deprecation", "opt.deprecation", STANDARD, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option) { |
| helper.put("-Xlint:deprecation", option); |
| } |
| }, |
| |
| CLASS_PATH("--class-path -classpath -cp", "opt.arg.path", "opt.classpath", STANDARD, FILEMANAGER), |
| |
| SOURCE_PATH("--source-path -sourcepath", "opt.arg.path", "opt.sourcepath", STANDARD, FILEMANAGER), |
| |
| MODULE_SOURCE_PATH("--module-source-path", "opt.arg.mspath", "opt.modulesourcepath", STANDARD, FILEMANAGER), |
| |
| MODULE_PATH("--module-path -p", "opt.arg.path", "opt.modulepath", STANDARD, FILEMANAGER), |
| |
| UPGRADE_MODULE_PATH("--upgrade-module-path", "opt.arg.path", "opt.upgrademodulepath", STANDARD, FILEMANAGER), |
| |
| SYSTEM("--system", "opt.arg.jdk", "opt.system", STANDARD, FILEMANAGER), |
| |
| PATCH_MODULE("--patch-module", "opt.arg.patch", "opt.patch", EXTENDED, FILEMANAGER) { |
| // The deferred filemanager diagnostics mechanism assumes a single value per option, |
| // but --patch-module can be used multiple times, once per module. Therefore we compose |
| // a value for the option containing the last value specified for each module, and separate |
| // the the module=path pairs by an invalid path character, NULL. |
| // The standard file manager code knows to split apart the NULL-separated components. |
| @Override |
| public void process(OptionHelper helper, String option, String arg) throws InvalidValueException { |
| if (arg.isEmpty()) { |
| throw helper.newInvalidValueException("err.no.value.for.option", option); |
| } else if (getPattern().matcher(arg).matches()) { |
| String prev = helper.get(PATCH_MODULE); |
| if (prev == null) { |
| super.process(helper, option, arg); |
| } else { |
| String argModulePackage = arg.substring(0, arg.indexOf('=')); |
| boolean isRepeated = Arrays.stream(prev.split("\0")) |
| .map(s -> s.substring(0, s.indexOf('='))) |
| .collect(Collectors.toSet()) |
| .contains(argModulePackage); |
| if (isRepeated) { |
| throw helper.newInvalidValueException("err.repeated.value.for.patch.module", argModulePackage); |
| } else { |
| super.process(helper, option, prev + '\0' + arg); |
| } |
| } |
| } else { |
| throw helper.newInvalidValueException("err.bad.value.for.option", option, arg); |
| } |
| } |
| |
| @Override |
| public Pattern getPattern() { |
| return Pattern.compile("([^/]+)=(,*[^,].*)"); |
| } |
| }, |
| |
| BOOT_CLASS_PATH("--boot-class-path -bootclasspath", "opt.arg.path", "opt.bootclasspath", STANDARD, FILEMANAGER) { |
| @Override |
| public void process(OptionHelper helper, String option, String arg) throws InvalidValueException { |
| helper.remove("-Xbootclasspath/p:"); |
| helper.remove("-Xbootclasspath/a:"); |
| super.process(helper, option, arg); |
| } |
| }, |
| |
| XBOOTCLASSPATH_PREPEND("-Xbootclasspath/p:", "opt.arg.path", "opt.Xbootclasspath.p", EXTENDED, FILEMANAGER), |
| |
| XBOOTCLASSPATH_APPEND("-Xbootclasspath/a:", "opt.arg.path", "opt.Xbootclasspath.a", EXTENDED, FILEMANAGER), |
| |
| XBOOTCLASSPATH("-Xbootclasspath:", "opt.arg.path", "opt.bootclasspath", EXTENDED, FILEMANAGER) { |
| @Override |
| public void process(OptionHelper helper, String option, String arg) throws InvalidValueException { |
| helper.remove("-Xbootclasspath/p:"); |
| helper.remove("-Xbootclasspath/a:"); |
| super.process(helper, "-bootclasspath", arg); |
| } |
| }, |
| |
| EXTDIRS("-extdirs", "opt.arg.dirs", "opt.extdirs", STANDARD, FILEMANAGER), |
| |
| DJAVA_EXT_DIRS("-Djava.ext.dirs=", "opt.arg.dirs", "opt.extdirs", EXTENDED, FILEMANAGER) { |
| @Override |
| public void process(OptionHelper helper, String option, String arg) throws InvalidValueException { |
| EXTDIRS.process(helper, "-extdirs", arg); |
| } |
| }, |
| |
| ENDORSEDDIRS("-endorseddirs", "opt.arg.dirs", "opt.endorseddirs", STANDARD, FILEMANAGER), |
| |
| DJAVA_ENDORSED_DIRS("-Djava.endorsed.dirs=", "opt.arg.dirs", "opt.endorseddirs", EXTENDED, FILEMANAGER) { |
| @Override |
| public void process(OptionHelper helper, String option, String arg) throws InvalidValueException { |
| ENDORSEDDIRS.process(helper, "-endorseddirs", arg); |
| } |
| }, |
| |
| PROC("-proc:", "opt.proc.none.only", STANDARD, BASIC, ONEOF, "none", "only"), |
| |
| PROCESSOR("-processor", "opt.arg.class.list", "opt.processor", STANDARD, BASIC), |
| |
| PROCESSOR_PATH("--processor-path -processorpath", "opt.arg.path", "opt.processorpath", STANDARD, FILEMANAGER), |
| |
| PROCESSOR_MODULE_PATH("--processor-module-path", "opt.arg.path", "opt.processormodulepath", STANDARD, FILEMANAGER), |
| |
| PARAMETERS("-parameters","opt.parameters", STANDARD, BASIC), |
| |
| D("-d", "opt.arg.directory", "opt.d", STANDARD, FILEMANAGER), |
| |
| S("-s", "opt.arg.directory", "opt.sourceDest", STANDARD, FILEMANAGER), |
| |
| H("-h", "opt.arg.directory", "opt.headerDest", STANDARD, FILEMANAGER), |
| |
| IMPLICIT("-implicit:", "opt.implicit", STANDARD, BASIC, ONEOF, "none", "class"), |
| |
| ENCODING("-encoding", "opt.arg.encoding", "opt.encoding", STANDARD, FILEMANAGER), |
| |
| SOURCE("-source", "opt.arg.release", "opt.source", STANDARD, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option, String operand) throws InvalidValueException { |
| Source source = Source.lookup(operand); |
| if (source == null) { |
| throw helper.newInvalidValueException("err.invalid.source", operand); |
| } |
| super.process(helper, option, operand); |
| } |
| }, |
| |
| TARGET("-target", "opt.arg.release", "opt.target", STANDARD, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option, String operand) throws InvalidValueException { |
| Target target = Target.lookup(operand); |
| if (target == null) { |
| throw helper.newInvalidValueException("err.invalid.target", operand); |
| } |
| super.process(helper, option, operand); |
| } |
| }, |
| |
| RELEASE("--release", "opt.arg.release", "opt.release", STANDARD, BASIC) { |
| @Override |
| protected void help(Log log) { |
| Iterable<PlatformProvider> providers = |
| ServiceLoader.load(PlatformProvider.class, Arguments.class.getClassLoader()); |
| Set<String> platforms = StreamSupport.stream(providers.spliterator(), false) |
| .flatMap(provider -> StreamSupport.stream(provider.getSupportedPlatformNames() |
| .spliterator(), |
| false)) |
| .collect(Collectors.toCollection(TreeSet :: new)); |
| |
| StringBuilder targets = new StringBuilder(); |
| String delim = ""; |
| for (String platform : platforms) { |
| targets.append(delim); |
| targets.append(platform); |
| delim = ", "; |
| } |
| |
| super.help(log, log.localize(PrefixKind.JAVAC, descrKey, targets.toString())); |
| } |
| }, |
| |
| PROFILE("-profile", "opt.arg.profile", "opt.profile", STANDARD, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option, String operand) throws InvalidValueException { |
| Profile profile = Profile.lookup(operand); |
| if (profile == null) { |
| throw helper.newInvalidValueException("err.invalid.profile", operand); |
| } |
| super.process(helper, option, operand); |
| } |
| }, |
| |
| VERSION("--version -version", "opt.version", STANDARD, INFO) { |
| @Override |
| public void process(OptionHelper helper, String option) throws InvalidValueException { |
| Log log = helper.getLog(); |
| String ownName = helper.getOwnName(); |
| log.printLines(WriterKind.STDOUT, PrefixKind.JAVAC, "version", ownName, JavaCompiler.version()); |
| super.process(helper, option); |
| } |
| }, |
| |
| FULLVERSION("--full-version -fullversion", null, HIDDEN, INFO) { |
| @Override |
| public void process(OptionHelper helper, String option) throws InvalidValueException { |
| Log log = helper.getLog(); |
| String ownName = helper.getOwnName(); |
| log.printLines(WriterKind.STDOUT, PrefixKind.JAVAC, "fullVersion", ownName, JavaCompiler.fullVersion()); |
| super.process(helper, option); |
| } |
| }, |
| |
| // Note: -h is already taken for "native header output directory". |
| HELP("--help -help", "opt.help", STANDARD, INFO) { |
| @Override |
| public void process(OptionHelper helper, String option) throws InvalidValueException { |
| Log log = helper.getLog(); |
| String ownName = helper.getOwnName(); |
| log.printLines(WriterKind.STDOUT, PrefixKind.JAVAC, "msg.usage.header", ownName); |
| showHelp(log, OptionKind.STANDARD); |
| log.printNewline(WriterKind.STDOUT); |
| super.process(helper, option); |
| } |
| }, |
| |
| A("-A", "opt.arg.key.equals.value", "opt.A", STANDARD, BASIC, ArgKind.ADJACENT) { |
| @Override |
| public boolean matches(String arg) { |
| return arg.startsWith("-A"); |
| } |
| |
| @Override |
| public boolean hasArg() { |
| return false; |
| } |
| // Mapping for processor options created in |
| // JavacProcessingEnvironment |
| @Override |
| public void process(OptionHelper helper, String option) throws InvalidValueException { |
| int argLength = option.length(); |
| if (argLength == 2) { |
| throw helper.newInvalidValueException("err.empty.A.argument"); |
| } |
| int sepIndex = option.indexOf('='); |
| String key = option.substring(2, (sepIndex != -1 ? sepIndex : argLength) ); |
| if (!JavacProcessingEnvironment.isValidOptionName(key)) { |
| throw helper.newInvalidValueException("err.invalid.A.key", option); |
| } |
| helper.put(option, option); |
| } |
| }, |
| |
| DEFAULT_MODULE_FOR_CREATED_FILES("--default-module-for-created-files", |
| "opt.arg.default.module.for.created.files", |
| "opt.default.module.for.created.files", EXTENDED, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option, String arg) throws InvalidValueException { |
| String prev = helper.get(DEFAULT_MODULE_FOR_CREATED_FILES); |
| if (prev != null) { |
| throw helper.newInvalidValueException("err.option.too.many", |
| DEFAULT_MODULE_FOR_CREATED_FILES.primaryName); |
| } else if (arg.isEmpty()) { |
| throw helper.newInvalidValueException("err.no.value.for.option", option); |
| } else if (getPattern().matcher(arg).matches()) { |
| helper.put(DEFAULT_MODULE_FOR_CREATED_FILES.primaryName, arg); |
| } else { |
| throw helper.newInvalidValueException("err.bad.value.for.option", option, arg); |
| } |
| } |
| |
| @Override |
| public Pattern getPattern() { |
| return Pattern.compile("[^,].*"); |
| } |
| }, |
| |
| X("--help-extra -X", "opt.X", STANDARD, INFO) { |
| @Override |
| public void process(OptionHelper helper, String option) throws InvalidValueException { |
| Log log = helper.getLog(); |
| showHelp(log, OptionKind.EXTENDED); |
| log.printNewline(WriterKind.STDOUT); |
| log.printLines(WriterKind.STDOUT, PrefixKind.JAVAC, "msg.usage.nonstandard.footer"); |
| super.process(helper, option); |
| } |
| }, |
| |
| // This option exists only for the purpose of documenting itself. |
| // It's actually implemented by the launcher. |
| J("-J", "opt.arg.flag", "opt.J", STANDARD, INFO, ArgKind.ADJACENT) { |
| @Override |
| public void process(OptionHelper helper, String option) { |
| throw new AssertionError("the -J flag should be caught by the launcher."); |
| } |
| }, |
| |
| MOREINFO("-moreinfo", null, HIDDEN, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option) throws InvalidValueException { |
| Type.moreInfo = true; |
| super.process(helper, option); |
| } |
| }, |
| |
| // treat warnings as errors |
| WERROR("-Werror", "opt.Werror", STANDARD, BASIC), |
| |
| // prompt after each error |
| // new Option("-prompt", "opt.prompt"), |
| PROMPT("-prompt", null, HIDDEN, BASIC), |
| |
| // dump stack on error |
| DOE("-doe", null, HIDDEN, BASIC), |
| |
| // output source after type erasure |
| PRINTSOURCE("-printsource", null, HIDDEN, BASIC), |
| |
| // display warnings for generic unchecked operations |
| WARNUNCHECKED("-warnunchecked", null, HIDDEN, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option) { |
| helper.put("-Xlint:unchecked", option); |
| } |
| }, |
| |
| XMAXERRS("-Xmaxerrs", "opt.arg.number", "opt.maxerrs", EXTENDED, BASIC), |
| |
| XMAXWARNS("-Xmaxwarns", "opt.arg.number", "opt.maxwarns", EXTENDED, BASIC), |
| |
| XSTDOUT("-Xstdout", "opt.arg.file", "opt.Xstdout", EXTENDED, INFO) { |
| @Override |
| public void process(OptionHelper helper, String option, String arg) throws InvalidValueException { |
| try { |
| Log log = helper.getLog(); |
| log.setWriters(new PrintWriter(new FileWriter(arg), true)); |
| } catch (java.io.IOException e) { |
| throw helper.newInvalidValueException("err.error.writing.file", arg, e); |
| } |
| super.process(helper, option, arg); |
| } |
| }, |
| |
| XPRINT("-Xprint", "opt.print", EXTENDED, BASIC), |
| |
| XPRINTROUNDS("-XprintRounds", "opt.printRounds", EXTENDED, BASIC), |
| |
| XPRINTPROCESSORINFO("-XprintProcessorInfo", "opt.printProcessorInfo", EXTENDED, BASIC), |
| |
| XPREFER("-Xprefer:", "opt.prefer", EXTENDED, BASIC, ONEOF, "source", "newer"), |
| |
| XXUSERPATHSFIRST("-XXuserPathsFirst", "opt.userpathsfirst", HIDDEN, BASIC), |
| |
| // see enum PkgInfo |
| XPKGINFO("-Xpkginfo:", "opt.pkginfo", EXTENDED, BASIC, ONEOF, "always", "legacy", "nonempty"), |
| |
| /* -O is a no-op, accepted for backward compatibility. */ |
| O("-O", null, HIDDEN, BASIC), |
| |
| /* -Xjcov produces tables to support the code coverage tool jcov. */ |
| XJCOV("-Xjcov", null, HIDDEN, BASIC), |
| |
| PLUGIN("-Xplugin:", "opt.arg.plugin", "opt.plugin", EXTENDED, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option) { |
| String p = option.substring(option.indexOf(':') + 1).trim(); |
| String prev = helper.get(PLUGIN); |
| helper.put(PLUGIN.primaryName, (prev == null) ? p : prev + '\0' + p); |
| } |
| }, |
| |
| XDIAGS("-Xdiags:", "opt.diags", EXTENDED, BASIC, ONEOF, "compact", "verbose"), |
| |
| DEBUG("--debug:", null, HIDDEN, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option) throws InvalidValueException { |
| HiddenGroup.DEBUG.process(helper, option); |
| } |
| }, |
| |
| SHOULDSTOP("--should-stop:", null, HIDDEN, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option) throws InvalidValueException { |
| HiddenGroup.SHOULDSTOP.process(helper, option); |
| } |
| }, |
| |
| DIAGS("--diags:", null, HIDDEN, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option) throws InvalidValueException { |
| HiddenGroup.DIAGS.process(helper, option); |
| } |
| }, |
| |
| /* This is a back door to the compiler's option table. |
| * -XDx=y sets the option x to the value y. |
| * -XDx sets the option x to the value x. |
| */ |
| XD("-XD", null, HIDDEN, BASIC) { |
| @Override |
| public boolean matches(String s) { |
| return s.startsWith(primaryName); |
| } |
| @Override |
| public void process(OptionHelper helper, String option) { |
| process(helper, option, option.substring(primaryName.length())); |
| } |
| |
| @Override |
| public void process(OptionHelper helper, String option, String arg) { |
| int eq = arg.indexOf('='); |
| String key = (eq < 0) ? arg : arg.substring(0, eq); |
| String value = (eq < 0) ? arg : arg.substring(eq+1); |
| helper.put(key, value); |
| } |
| }, |
| |
| ADD_EXPORTS("--add-exports", "opt.arg.addExports", "opt.addExports", EXTENDED, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option, String arg) throws InvalidValueException { |
| if (arg.isEmpty()) { |
| throw helper.newInvalidValueException("err.no.value.for.option", option); |
| } else if (getPattern().matcher(arg).matches()) { |
| String prev = helper.get(ADD_EXPORTS); |
| helper.put(ADD_EXPORTS.primaryName, (prev == null) ? arg : prev + '\0' + arg); |
| } else { |
| throw helper.newInvalidValueException("err.bad.value.for.option", option, arg); |
| } |
| } |
| |
| @Override |
| public Pattern getPattern() { |
| return Pattern.compile("([^/]+)/([^=]+)=(,*[^,].*)"); |
| } |
| }, |
| |
| ADD_OPENS("--add-opens", null, null, HIDDEN, BASIC), |
| |
| ADD_READS("--add-reads", "opt.arg.addReads", "opt.addReads", EXTENDED, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option, String arg) throws InvalidValueException { |
| if (arg.isEmpty()) { |
| throw helper.newInvalidValueException("err.no.value.for.option", option); |
| } else if (getPattern().matcher(arg).matches()) { |
| String prev = helper.get(ADD_READS); |
| helper.put(ADD_READS.primaryName, (prev == null) ? arg : prev + '\0' + arg); |
| } else { |
| throw helper.newInvalidValueException("err.bad.value.for.option", option, arg); |
| } |
| } |
| |
| @Override |
| public Pattern getPattern() { |
| return Pattern.compile("([^=]+)=(,*[^,].*)"); |
| } |
| }, |
| |
| MODULE("--module -m", "opt.arg.m", "opt.m", STANDARD, BASIC), |
| |
| ADD_MODULES("--add-modules", "opt.arg.addmods", "opt.addmods", STANDARD, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option, String arg) throws InvalidValueException { |
| if (arg.isEmpty()) { |
| throw helper.newInvalidValueException("err.no.value.for.option", option); |
| } else if (getPattern().matcher(arg).matches()) { |
| String prev = helper.get(ADD_MODULES); |
| // since the individual values are simple names, we can simply join the |
| // values of multiple --add-modules options with ',' |
| helper.put(ADD_MODULES.primaryName, (prev == null) ? arg : prev + ',' + arg); |
| } else { |
| throw helper.newInvalidValueException("err.bad.value.for.option", option, arg); |
| } |
| } |
| |
| @Override |
| public Pattern getPattern() { |
| return Pattern.compile(",*[^,].*"); |
| } |
| }, |
| |
| LIMIT_MODULES("--limit-modules", "opt.arg.limitmods", "opt.limitmods", STANDARD, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option, String arg) throws InvalidValueException { |
| if (arg.isEmpty()) { |
| throw helper.newInvalidValueException("err.no.value.for.option", option); |
| } else if (getPattern().matcher(arg).matches()) { |
| helper.put(LIMIT_MODULES.primaryName, arg); // last one wins |
| } else { |
| throw helper.newInvalidValueException("err.bad.value.for.option", option, arg); |
| } |
| } |
| |
| @Override |
| public Pattern getPattern() { |
| return Pattern.compile(",*[^,].*"); |
| } |
| }, |
| |
| MODULE_VERSION("--module-version", "opt.arg.module.version", "opt.module.version", STANDARD, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option, String arg) throws InvalidValueException { |
| if (arg.isEmpty()) { |
| throw helper.newInvalidValueException("err.no.value.for.option", option); |
| } else { |
| // use official parser if available |
| try { |
| ModuleDescriptor.Version.parse(arg); |
| } catch (IllegalArgumentException e) { |
| throw helper.newInvalidValueException("err.bad.value.for.option", option, arg); |
| } |
| } |
| super.process(helper, option, arg); |
| } |
| }, |
| |
| // This option exists only for the purpose of documenting itself. |
| // It's actually implemented by the CommandLine class. |
| AT("@", "opt.arg.file", "opt.AT", STANDARD, INFO, ArgKind.ADJACENT) { |
| @Override |
| public void process(OptionHelper helper, String option) { |
| throw new AssertionError("the @ flag should be caught by CommandLine."); |
| } |
| }, |
| |
| // Standalone positional argument: source file or type name. |
| SOURCEFILE("sourcefile", null, HIDDEN, INFO) { |
| @Override |
| public boolean matches(String s) { |
| if (s.endsWith(".java")) // Java source file |
| return true; |
| int sep = s.indexOf('/'); |
| if (sep != -1) { |
| return SourceVersion.isName(s.substring(0, sep)) |
| && SourceVersion.isName(s.substring(sep + 1)); |
| } else { |
| return SourceVersion.isName(s); // Legal type name |
| } |
| } |
| @Override |
| public void process(OptionHelper helper, String option) throws InvalidValueException { |
| if (option.endsWith(".java") ) { |
| Path p = Paths.get(option); |
| if (!Files.exists(p)) { |
| throw helper.newInvalidValueException("err.file.not.found", p); |
| } |
| if (!Files.isRegularFile(p)) { |
| throw helper.newInvalidValueException("err.file.not.file", p); |
| } |
| helper.addFile(p); |
| } else { |
| helper.addClassName(option); |
| } |
| } |
| }, |
| |
| MULTIRELEASE("--multi-release", "opt.arg.multi-release", "opt.multi-release", HIDDEN, FILEMANAGER), |
| |
| INHERIT_RUNTIME_ENVIRONMENT("--inherit-runtime-environment", "opt.inherit_runtime_environment", |
| HIDDEN, BASIC) { |
| @Override |
| public void process(OptionHelper helper, String option) throws InvalidValueException { |
| String[] runtimeArgs = VM.getRuntimeArguments(); |
| for (String arg : runtimeArgs) { |
| // Handle any supported runtime options; ignore all others. |
| // The runtime arguments always use the single token form, e.g. "--name=value". |
| for (Option o : getSupportedRuntimeOptions()) { |
| if (o.matches(arg)) { |
| switch (o) { |
| case ADD_MODULES: |
| int eq = arg.indexOf('='); |
| Assert.check(eq > 0, () -> ("invalid runtime option:" + arg)); |
| // --add-modules=ALL-DEFAULT is not supported at compile-time |
| // so remove it from list, and only process the rest |
| // if the set is non-empty. |
| // Note that --add-modules=ALL-DEFAULT is automatically added |
| // by the standard javac launcher. |
| String mods = Arrays.stream(arg.substring(eq + 1).split(",")) |
| .filter(s -> !s.isEmpty() && !s.equals("ALL-DEFAULT")) |
| .collect(Collectors.joining(",")); |
| if (!mods.isEmpty()) { |
| String updatedArg = arg.substring(0, eq + 1) + mods; |
| o.handleOption(helper, updatedArg, Collections.emptyIterator()); |
| } |
| break; |
| default: |
| o.handleOption(helper, arg, Collections.emptyIterator()); |
| break; |
| } |
| break; |
| } |
| } |
| } |
| } |
| |
| private Option[] getSupportedRuntimeOptions() { |
| Option[] supportedRuntimeOptions = { |
| ADD_EXPORTS, |
| ADD_MODULES, |
| LIMIT_MODULES, |
| MODULE_PATH, |
| UPGRADE_MODULE_PATH, |
| PATCH_MODULE |
| }; |
| return supportedRuntimeOptions; |
| } |
| }; |
| |
| /** |
| * This exception is thrown when an invalid value is given for an option. |
| * The detail string gives a detailed, localized message, suitable for use |
| * in error messages reported to the user. |
| */ |
| public static class InvalidValueException extends Exception { |
| private static final long serialVersionUID = -1; |
| |
| public InvalidValueException(String msg) { |
| super(msg); |
| } |
| |
| public InvalidValueException(String msg, Throwable cause) { |
| super(msg, cause); |
| } |
| } |
| |
| /** |
| * The kind of argument, if any, accepted by this option. The kind is augmented |
| * by characters in the name of the option. |
| */ |
| public enum ArgKind { |
| /** This option does not take any argument. */ |
| NONE, |
| |
| // Not currently supported |
| // /** |
| // * This option takes an optional argument, which may be provided directly after an '=' |
| // * separator, or in the following argument position if that word does not itself appear |
| // * to be the name of an option. |
| // */ |
| // OPTIONAL, |
| |
| /** |
| * This option takes an argument. |
| * If the name of option ends with ':' or '=', the argument must be provided directly |
| * after that separator. |
| * Otherwise, it may appear after an '=' or in the following argument position. |
| */ |
| REQUIRED, |
| |
| /** |
| * This option takes an argument immediately after the option name, with no separator |
| * character. |
| */ |
| ADJACENT |
| } |
| |
| /** |
| * The kind of an Option. This is used by the -help and -X options. |
| */ |
| public enum OptionKind { |
| /** A standard option, documented by -help. */ |
| STANDARD, |
| /** An extended option, documented by -X. */ |
| EXTENDED, |
| /** A hidden option, not documented. */ |
| HIDDEN, |
| } |
| |
| /** |
| * The group for an Option. This determines the situations in which the |
| * option is applicable. |
| */ |
| enum OptionGroup { |
| /** A basic option, available for use on the command line or via the |
| * Compiler API. */ |
| BASIC, |
| /** An option for javac's standard JavaFileManager. Other file managers |
| * may or may not support these options. */ |
| FILEMANAGER, |
| /** A command-line option that requests information, such as -help. */ |
| INFO, |
| /** A command-line "option" representing a file or class name. */ |
| OPERAND |
| } |
| |
| /** |
| * The kind of choice for "choice" options. |
| */ |
| enum ChoiceKind { |
| /** The expected value is exactly one of the set of choices. */ |
| ONEOF, |
| /** The expected value is one of more of the set of choices. */ |
| ANYOF |
| } |
| |
| enum HiddenGroup { |
| DIAGS("diags"), |
| DEBUG("debug"), |
| SHOULDSTOP("should-stop"); |
| |
| static final Set<String> skipSet = new java.util.HashSet<>( |
| Arrays.asList("--diags:", "--debug:", "--should-stop:")); |
| |
| final String text; |
| |
| HiddenGroup(String text) { |
| this.text = text; |
| } |
| |
| public void process(OptionHelper helper, String option) throws InvalidValueException { |
| String p = option.substring(option.indexOf(':') + 1).trim(); |
| String[] subOptions = p.split(";"); |
| for (String subOption : subOptions) { |
| subOption = text + "." + subOption.trim(); |
| XD.process(helper, subOption, subOption); |
| } |
| } |
| |
| static boolean skip(String name) { |
| return skipSet.contains(name); |
| } |
| } |
| |
| /** |
| * The "primary name" for this option. |
| * This is the name that is used to put values in the {@link Options} table. |
| */ |
| public final String primaryName; |
| |
| /** |
| * The set of names (primary name and aliases) for this option. |
| * Note that some names may end in a separator, to indicate that an argument must immediately |
| * follow the separator (and cannot appear in the following argument position. |
| */ |
| public final String[] names; |
| |
| /** Documentation key for arguments. */ |
| protected final String argsNameKey; |
| |
| /** Documentation key for description. |
| */ |
| protected final String descrKey; |
| |
| /** The kind of this option. */ |
| private final OptionKind kind; |
| |
| /** The group for this option. */ |
| private final OptionGroup group; |
| |
| /** The kind of argument for this option. */ |
| private final ArgKind argKind; |
| |
| /** The kind of choices for this option, if any. */ |
| private final ChoiceKind choiceKind; |
| |
| /** The choices for this option, if any. */ |
| private final Set<String> choices; |
| |
| /** |
| * Looks up the first option matching the given argument in the full set of options. |
| * @param arg the argument to be matches |
| * @return the first option that matches, or null if none. |
| */ |
| public static Option lookup(String arg) { |
| return lookup(arg, EnumSet.allOf(Option.class)); |
| } |
| |
| /** |
| * Looks up the first option matching the given argument within a set of options. |
| * @param arg the argument to be matched |
| * @param options the set of possible options |
| * @return the first option that matches, or null if none. |
| */ |
| public static Option lookup(String arg, Set<Option> options) { |
| for (Option option: options) { |
| if (option.matches(arg)) |
| return option; |
| } |
| return null; |
| } |
| |
| /** |
| * Writes the "command line help" for given kind of option to the log. |
| * @param log the log |
| * @param kind the kind of options to select |
| */ |
| private static void showHelp(Log log, OptionKind kind) { |
| Comparator<Option> comp = new Comparator<Option>() { |
| final Collator collator = Collator.getInstance(Locale.US); |
| { collator.setStrength(Collator.PRIMARY); } |
| |
| @Override |
| public int compare(Option o1, Option o2) { |
| return collator.compare(o1.primaryName, o2.primaryName); |
| } |
| }; |
| |
| getJavaCompilerOptions() |
| .stream() |
| .filter(o -> o.kind == kind) |
| .sorted(comp) |
| .forEach(o -> { |
| o.help(log); |
| }); |
| } |
| |
| Option(String text, String descrKey, |
| OptionKind kind, OptionGroup group) { |
| this(text, null, descrKey, kind, group, null, null, ArgKind.NONE); |
| } |
| |
| Option(String text, String argsNameKey, String descrKey, |
| OptionKind kind, OptionGroup group) { |
| this(text, argsNameKey, descrKey, kind, group, null, null, ArgKind.REQUIRED); |
| } |
| |
| Option(String text, String argsNameKey, String descrKey, |
| OptionKind kind, OptionGroup group, ArgKind ak) { |
| this(text, argsNameKey, descrKey, kind, group, null, null, ak); |
| } |
| |
| Option(String text, String argsNameKey, String descrKey, OptionKind kind, OptionGroup group, |
| ChoiceKind choiceKind, Set<String> choices) { |
| this(text, argsNameKey, descrKey, kind, group, choiceKind, choices, ArgKind.REQUIRED); |
| } |
| |
| Option(String text, String descrKey, |
| OptionKind kind, OptionGroup group, |
| ChoiceKind choiceKind, String... choices) { |
| this(text, null, descrKey, kind, group, choiceKind, |
| new LinkedHashSet<>(Arrays.asList(choices)), ArgKind.REQUIRED); |
| } |
| |
| private Option(String text, String argsNameKey, String descrKey, |
| OptionKind kind, OptionGroup group, |
| ChoiceKind choiceKind, Set<String> choices, |
| ArgKind argKind) { |
| this.names = text.trim().split("\\s+"); |
| Assert.check(names.length >= 1); |
| this.primaryName = names[0]; |
| this.argsNameKey = argsNameKey; |
| this.descrKey = descrKey; |
| this.kind = kind; |
| this.group = group; |
| this.choiceKind = choiceKind; |
| this.choices = choices; |
| this.argKind = argKind; |
| } |
| |
| public String getPrimaryName() { |
| return primaryName; |
| } |
| |
| public OptionKind getKind() { |
| return kind; |
| } |
| |
| public ArgKind getArgKind() { |
| return argKind; |
| } |
| |
| public boolean hasArg() { |
| return (argKind != ArgKind.NONE); |
| } |
| |
| public boolean hasSeparateArg() { |
| return getArgKind() == ArgKind.REQUIRED && |
| !primaryName.endsWith(":") && !primaryName.endsWith("="); |
| } |
| |
| public boolean matches(String option) { |
| for (String name: names) { |
| if (matches(option, name)) |
| return true; |
| } |
| return false; |
| } |
| |
| private boolean matches(String option, String name) { |
| if (name.startsWith("--") && !HiddenGroup.skip(name)) { |
| return option.equals(name) |
| || hasArg() && option.startsWith(name + "="); |
| } |
| |
| boolean hasSuffix = (argKind == ArgKind.ADJACENT) |
| || name.endsWith(":") || name.endsWith("="); |
| |
| if (!hasSuffix) |
| return option.equals(name); |
| |
| if (!option.startsWith(name)) |
| return false; |
| |
| if (choices != null) { |
| String arg = option.substring(name.length()); |
| if (choiceKind == ChoiceKind.ONEOF) |
| return choices.contains(arg); |
| else { |
| for (String a: arg.split(",+")) { |
| if (!choices.contains(a)) |
| return false; |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Handles an option. |
| * If an argument for the option is required, depending on spec of the option, it will be found |
| * as part of the current arg (following ':' or '=') or in the following argument. |
| * This is the recommended way to handle an option directly, instead of calling the underlying |
| * {@link #process process} methods. |
| * @param helper a helper to provide access to the environment |
| * @param arg the arg string that identified this option |
| * @param rest the remaining strings to be analysed |
| * @throws InvalidValueException if the value of the option was invalid |
| * @implNote The return value is the opposite of that used by {@link #process}. |
| */ |
| public void handleOption(OptionHelper helper, String arg, Iterator<String> rest) throws InvalidValueException { |
| if (hasArg()) { |
| String option; |
| String operand; |
| int sep = findSeparator(arg); |
| if (getArgKind() == Option.ArgKind.ADJACENT) { |
| option = primaryName; // aliases not supported |
| operand = arg.substring(primaryName.length()); |
| } else if (sep > 0) { |
| option = arg.substring(0, sep); |
| operand = arg.substring(sep + 1); |
| } else { |
| if (!rest.hasNext()) { |
| throw helper.newInvalidValueException("err.req.arg", arg); |
| } |
| option = arg; |
| operand = rest.next(); |
| } |
| process(helper, option, operand); |
| } else { |
| process(helper, arg); |
| } |
| } |
| |
| /** |
| * Processes an option that either does not need an argument, |
| * or which contains an argument within it, following a separator. |
| * @param helper a helper to provide access to the environment |
| * @param option the option to be processed |
| * @throws InvalidValueException if an error occurred |
| */ |
| public void process(OptionHelper helper, String option) throws InvalidValueException { |
| if (argKind == ArgKind.NONE) { |
| process(helper, primaryName, option); |
| } else { |
| int sep = findSeparator(option); |
| process(helper, primaryName, option.substring(sep + 1)); |
| } |
| } |
| |
| /** |
| * Processes an option by updating the environment via a helper object. |
| * @param helper a helper to provide access to the environment |
| * @param option the option to be processed |
| * @param arg the value to associate with the option, or a default value |
| * to be used if the option does not otherwise take an argument. |
| * @throws InvalidValueException if an error occurred |
| */ |
| public void process(OptionHelper helper, String option, String arg) throws InvalidValueException { |
| if (choices != null) { |
| if (choiceKind == ChoiceKind.ONEOF) { |
| // some clients like to see just one of option+choice set |
| for (String s : choices) |
| helper.remove(primaryName + s); |
| String opt = primaryName + arg; |
| helper.put(opt, opt); |
| // some clients like to see option (without trailing ":") |
| // set to arg |
| String nm = primaryName.substring(0, primaryName.length() - 1); |
| helper.put(nm, arg); |
| } else { |
| // set option+word for each word in arg |
| for (String a: arg.split(",+")) { |
| String opt = primaryName + a; |
| helper.put(opt, opt); |
| } |
| } |
| } |
| helper.put(primaryName, arg); |
| if (group == OptionGroup.FILEMANAGER) |
| helper.handleFileManagerOption(this, arg); |
| } |
| |
| /** |
| * Returns a pattern to analyze the value for an option. |
| * @return the pattern |
| * @throws UnsupportedOperationException if an option does not provide a pattern. |
| */ |
| public Pattern getPattern() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** |
| * Scans a word to find the first separator character, either colon or equals. |
| * @param word the word to be scanned |
| * @return the position of the first':' or '=' character in the word, |
| * or -1 if none found |
| */ |
| private static int findSeparator(String word) { |
| for (int i = 0; i < word.length(); i++) { |
| switch (word.charAt(i)) { |
| case ':': case '=': |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| /** The indent for the option synopsis. */ |
| private static final String SMALL_INDENT = " "; |
| /** The automatic indent for the description. */ |
| private static final String LARGE_INDENT = " "; |
| /** The space allowed for the synopsis, if the description is to be shown on the same line. */ |
| private static final int DEFAULT_SYNOPSIS_WIDTH = 28; |
| /** The nominal maximum line length, when seeing if text will fit on a line. */ |
| private static final int DEFAULT_MAX_LINE_LENGTH = 80; |
| /** The format for a single-line help entry. */ |
| private static final String COMPACT_FORMAT = SMALL_INDENT + "%-" + DEFAULT_SYNOPSIS_WIDTH + "s %s"; |
| |
| /** |
| * Writes help text for this option to the log. |
| * @param log the log |
| */ |
| protected void help(Log log) { |
| help(log, log.localize(PrefixKind.JAVAC, descrKey)); |
| } |
| |
| protected void help(Log log, String descr) { |
| String synopses = Arrays.stream(names) |
| .map(s -> helpSynopsis(s, log)) |
| .collect(Collectors.joining(", ")); |
| |
| // If option synopses and description fit on a single line of reasonable length, |
| // display using COMPACT_FORMAT |
| if (synopses.length() < DEFAULT_SYNOPSIS_WIDTH |
| && !descr.contains("\n") |
| && (SMALL_INDENT.length() + DEFAULT_SYNOPSIS_WIDTH + 1 + descr.length() <= DEFAULT_MAX_LINE_LENGTH)) { |
| log.printRawLines(WriterKind.STDOUT, String.format(COMPACT_FORMAT, synopses, descr)); |
| return; |
| } |
| |
| // If option synopses fit on a single line of reasonable length, show that; |
| // otherwise, show 1 per line |
| if (synopses.length() <= DEFAULT_MAX_LINE_LENGTH) { |
| log.printRawLines(WriterKind.STDOUT, SMALL_INDENT + synopses); |
| } else { |
| for (String name: names) { |
| log.printRawLines(WriterKind.STDOUT, SMALL_INDENT + helpSynopsis(name, log)); |
| } |
| } |
| |
| // Finally, show the description |
| log.printRawLines(WriterKind.STDOUT, LARGE_INDENT + descr.replace("\n", "\n" + LARGE_INDENT)); |
| } |
| |
| /** |
| * Composes the initial synopsis of one of the forms for this option. |
| * @param name the name of this form of the option |
| * @param log the log used to localize the description of the arguments |
| * @return the synopsis |
| */ |
| private String helpSynopsis(String name, Log log) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(name); |
| if (argsNameKey == null) { |
| if (choices != null) { |
| if (!name.endsWith(":")) |
| sb.append(" "); |
| String sep = "{"; |
| for (String choice : choices) { |
| sb.append(sep); |
| sb.append(choice); |
| sep = ","; |
| } |
| sb.append("}"); |
| } |
| } else { |
| if (!name.matches(".*[=:]$") && argKind != ArgKind.ADJACENT) |
| sb.append(" "); |
| sb.append(log.localize(PrefixKind.JAVAC, argsNameKey)); |
| } |
| |
| return sb.toString(); |
| } |
| |
| // For -XpkgInfo:value |
| public enum PkgInfo { |
| /** |
| * Always generate package-info.class for every package-info.java file. |
| * The file may be empty if there annotations with a RetentionPolicy |
| * of CLASS or RUNTIME. This option may be useful in conjunction with |
| * build systems (such as Ant) that expect javac to generate at least |
| * one .class file for every .java file. |
| */ |
| ALWAYS, |
| /** |
| * Generate a package-info.class file if package-info.java contains |
| * annotations. The file may be empty if all the annotations have |
| * a RetentionPolicy of SOURCE. |
| * This value is just for backwards compatibility with earlier behavior. |
| * Either of the other two values are to be preferred to using this one. |
| */ |
| LEGACY, |
| /** |
| * Generate a package-info.class file if and only if there are annotations |
| * in package-info.java to be written into it. |
| */ |
| NONEMPTY; |
| |
| public static PkgInfo get(Options options) { |
| String v = options.get(XPKGINFO); |
| return (v == null |
| ? PkgInfo.LEGACY |
| : PkgInfo.valueOf(StringUtils.toUpperCase(v))); |
| } |
| } |
| |
| private static Set<String> getXLintChoices() { |
| Set<String> choices = new LinkedHashSet<>(); |
| choices.add("all"); |
| for (Lint.LintCategory c : Lint.LintCategory.values()) { |
| choices.add(c.option); |
| choices.add("-" + c.option); |
| } |
| choices.add("none"); |
| return choices; |
| } |
| |
| /** |
| * Returns the set of options supported by the command line tool. |
| * @return the set of options. |
| */ |
| static Set<Option> getJavaCompilerOptions() { |
| return EnumSet.allOf(Option.class); |
| } |
| |
| /** |
| * Returns the set of options supported by the built-in file manager. |
| * @return the set of options. |
| */ |
| public static Set<Option> getJavacFileManagerOptions() { |
| return getOptions(FILEMANAGER); |
| } |
| |
| /** |
| * Returns the set of options supported by this implementation of |
| * the JavaCompiler API, via {@link JavaCompiler#getTask}. |
| * @return the set of options. |
| */ |
| public static Set<Option> getJavacToolOptions() { |
| return getOptions(BASIC); |
| } |
| |
| private static Set<Option> getOptions(OptionGroup group) { |
| return Arrays.stream(Option.values()) |
| .filter(o -> o.group == group) |
| .collect(Collectors.toCollection(() -> EnumSet.noneOf(Option.class))); |
| } |
| |
| } |
