/*
* Copyright (c) 2006, 2016, 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.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Collections;
import java.util.EnumSet;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.ServiceLoader;
import java.util.Set;
import java.util.TreeSet;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;
import javax.lang.model.SourceVersion;
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.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
* is identified by searching the members of this enum in order, looking for
* the first {@link #matches match}. The action for an Option is performed
* by calling {@link #process process}, and by 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 boolean process(OptionHelper helper, String option) {
helper.put("-g:", "none");
return false;
}
},
G_CUSTOM("-g:", "opt.g.lines.vars.source",
STANDARD, BASIC, ANYOF, "lines", "vars", "source"),
XLINT("-Xlint", "opt.Xlint", EXTENDED, BASIC),
XLINT_CUSTOM("-Xlint:", EXTENDED, BASIC, ANYOF, getXLintChoices()) {
private static final String LINT_KEY_FORMAT = " %-19s %s";
@Override
void help(Log log, OptionKind kind) {
if (this.kind != kind)
return;
log.printRawLines(WriterKind.NOTICE,
String.format(HELP_LINE_FORMAT,
log.localize(PrefixKind.JAVAC, "opt.Xlint.subopts"),
log.localize(PrefixKind.JAVAC, "opt.Xlint.suboptlist")));
log.printRawLines(WriterKind.NOTICE,
String.format(LINT_KEY_FORMAT,
"all",
log.localize(PrefixKind.JAVAC, "opt.Xlint.all")));
for (LintCategory lc : LintCategory.values()) {
if (lc.hidden) continue;
log.printRawLines(WriterKind.NOTICE,
String.format(LINT_KEY_FORMAT,
lc.option,
log.localize(PrefixKind.JAVAC,
"opt.Xlint.desc." + lc.option)));
}
log.printRawLines(WriterKind.NOTICE,
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.text, DocLint.XMSGS_CUSTOM_PREFIX));
}
@Override
public boolean process(OptionHelper helper, String option) {
String prev = helper.get(XDOCLINT_CUSTOM);
String next = (prev == null) ? option : (prev + " " + option);
helper.put(XDOCLINT_CUSTOM.text, next);
return false;
}
},
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.text, DocLint.XCHECK_PACKAGE));
}
@Override
public boolean process(OptionHelper helper, String option) {
String prev = helper.get(XDOCLINT_PACKAGE);
String next = (prev == null) ? option : (prev + " " + option);
helper.put(XDOCLINT_PACKAGE.text, next);
return false;
}
},
// -nowarn is retained for command-line backward compatibility
NOWARN("-nowarn", "opt.nowarn", STANDARD, BASIC) {
@Override
public boolean process(OptionHelper helper, String option) {
helper.put("-Xlint:none", option);
return false;
}
},
VERBOSE("-verbose", "opt.verbose", STANDARD, BASIC),
// -deprecation is retained for command-line backward compatibility
DEPRECATION("-deprecation", "opt.deprecation", STANDARD, BASIC) {
@Override
public boolean process(OptionHelper helper, String option) {
helper.put("-Xlint:deprecation", option);
return false;
}
},
CLASSPATH("-classpath", "opt.arg.path", "opt.classpath", STANDARD, FILEMANAGER),
CP("-cp", "opt.arg.path", "opt.classpath", STANDARD, FILEMANAGER) {
@Override
public boolean process(OptionHelper helper, String option, String arg) {
return super.process(helper, "-classpath", arg);
}
},
SOURCEPATH("-sourcepath", "opt.arg.path", "opt.sourcepath", STANDARD, FILEMANAGER),
MODULESOURCEPATH("-modulesourcepath", "opt.arg.mspath", "opt.modulesourcepath", STANDARD, FILEMANAGER),
MODULEPATH("-modulepath", "opt.arg.path", "opt.modulepath", STANDARD, FILEMANAGER),
MP("-mp", "opt.arg.path", "opt.modulepath", STANDARD, FILEMANAGER) {
@Override
public boolean process(OptionHelper helper, String option, String arg) {
return super.process(helper, "-modulepath", arg);
}
},
UPGRADEMODULEPATH("-upgrademodulepath", "opt.arg.path", "opt.upgrademodulepath", STANDARD, FILEMANAGER),
SYSTEM("-system", "opt.arg.jdk", "opt.system", STANDARD, FILEMANAGER),
XPATCH("-Xpatch:", "opt.arg.patch", "opt.patch", EXTENDED, FILEMANAGER),
BOOTCLASSPATH("-bootclasspath", "opt.arg.path", "opt.bootclasspath", STANDARD, FILEMANAGER) {
@Override
public boolean process(OptionHelper helper, String option, String arg) {
helper.remove("-Xbootclasspath/p:");
helper.remove("-Xbootclasspath/a:");
return 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 boolean process(OptionHelper helper, String option, String arg) {
helper.remove("-Xbootclasspath/p:");
helper.remove("-Xbootclasspath/a:");
return 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 boolean process(OptionHelper helper, String option, String arg) {
return super.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 boolean process(OptionHelper helper, String option, String arg) {
return super.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),
PROCESSORPATH("-processorpath", "opt.arg.path", "opt.processorpath", STANDARD, FILEMANAGER),
PROCESSORMODULEPATH("-processormodulepath", "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 boolean process(OptionHelper helper, String option, String operand) {
Source source = Source.lookup(operand);
if (source == null) {
helper.error("err.invalid.source", operand);
return true;
}
return super.process(helper, option, operand);
}
},
TARGET("-target", "opt.arg.release", "opt.target", STANDARD, BASIC) {
@Override
public boolean process(OptionHelper helper, String option, String operand) {
Target target = Target.lookup(operand);
if (target == null) {
helper.error("err.invalid.target", operand);
return true;
}
return super.process(helper, option, operand);
}
},
RELEASE("-release", "opt.arg.release", "opt.release", STANDARD, BASIC) {
@Override
void help(Log log, OptionKind kind) {
if (this.kind != kind)
return;
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 = ", ";
}
log.printRawLines(WriterKind.NOTICE,
String.format(HELP_LINE_FORMAT,
super.helpSynopsis(log),
log.localize(PrefixKind.JAVAC, descrKey, targets.toString())));
}
},
PROFILE("-profile", "opt.arg.profile", "opt.profile", STANDARD, BASIC) {
@Override
public boolean process(OptionHelper helper, String option, String operand) {
Profile profile = Profile.lookup(operand);
if (profile == null) {
helper.error("err.invalid.profile", operand);
return true;
}
return super.process(helper, option, operand);
}
},
VERSION("-version", "opt.version", STANDARD, INFO) {
@Override
public boolean process(OptionHelper helper, String option) {
Log log = helper.getLog();
String ownName = helper.getOwnName();
log.printLines(PrefixKind.JAVAC, "version", ownName, JavaCompiler.version());
return super.process(helper, option);
}
},
FULLVERSION("-fullversion", null, HIDDEN, INFO) {
@Override
public boolean process(OptionHelper helper, String option) {
Log log = helper.getLog();
String ownName = helper.getOwnName();
log.printLines(PrefixKind.JAVAC, "fullVersion", ownName, JavaCompiler.fullVersion());
return super.process(helper, option);
}
},
DIAGS("-XDdiags=", null, HIDDEN, INFO) {
@Override
public boolean process(OptionHelper helper, String option) {
option = option.substring(option.indexOf('=') + 1);
String diagsOption = option.contains("%") ?
"-XDdiagsFormat=" :
"-XDdiags=";
diagsOption += option;
if (XD.matches(diagsOption))
return XD.process(helper, diagsOption);
else
return false;
}
},
HELP("-help", "opt.help", STANDARD, INFO) {
@Override
public boolean process(OptionHelper helper, String option) {
Log log = helper.getLog();
String ownName = helper.getOwnName();
log.printLines(PrefixKind.JAVAC, "msg.usage.header", ownName);
for (Option o: getJavaCompilerOptions()) {
o.help(log, OptionKind.STANDARD);
}
log.printNewline();
return super.process(helper, option);
}
},
A("-A", "opt.arg.key.equals.value", "opt.A", STANDARD, BASIC, true) {
@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 boolean process(OptionHelper helper, String option) {
int argLength = option.length();
if (argLength == 2) {
helper.error("err.empty.A.argument");
return true;
}
int sepIndex = option.indexOf('=');
String key = option.substring(2, (sepIndex != -1 ? sepIndex : argLength) );
if (!JavacProcessingEnvironment.isValidOptionName(key)) {
helper.error("err.invalid.A.key", option);
return true;
}
return process(helper, option, option);
}
},
X("-X", "opt.X", STANDARD, INFO) {
@Override
public boolean process(OptionHelper helper, String option) {
Log log = helper.getLog();
for (Option o: getJavaCompilerOptions()) {
o.help(log, OptionKind.EXTENDED);
}
log.printNewline();
log.printLines(PrefixKind.JAVAC, "msg.usage.nonstandard.footer");
return 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, true) {
@Override
public boolean process(OptionHelper helper, String option) {
throw new AssertionError
("the -J flag should be caught by the launcher.");
}
},
MOREINFO("-moreinfo", null, HIDDEN, BASIC) {
@Override
public boolean process(OptionHelper helper, String option) {
Type.moreInfo = true;
return 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 boolean process(OptionHelper helper, String option) {
helper.put("-Xlint:unchecked", option);
return false;
}
},
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 boolean process(OptionHelper helper, String option, String arg) {
try {
Log log = helper.getLog();
log.setWriters(new PrintWriter(new FileWriter(arg), true));
} catch (java.io.IOException e) {
helper.error("err.error.writing.file", arg, e);
return true;
}
return 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 boolean process(OptionHelper helper, String option) {
String p = option.substring(option.indexOf(':') + 1).trim();
String prev = helper.get(PLUGIN);
helper.put(PLUGIN.text, (prev == null) ? p : prev + '\0' + p);
return false;
}
},
XDIAGS("-Xdiags:", "opt.diags", EXTENDED, BASIC, ONEOF, "compact", "verbose"),
/* 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(text);
}
@Override
public boolean process(OptionHelper helper, String option) {
return process(helper, option, option.substring(text.length()));
}
@Override
public boolean 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);
return false;
}
},
XDEBUG("-Xdebug:", null, HIDDEN, BASIC) {
@Override
public boolean process(OptionHelper helper, String option) {
String p = option.substring(option.indexOf(':') + 1).trim();
String[] subOptions = p.split(";");
for (String subOption : subOptions) {
subOption = "debug." + subOption.trim();
XD.process(helper, subOption, subOption);
}
return false;
}
},
XADDEXPORTS("-XaddExports:", "opt.arg.addExports", "opt.addExports", EXTENDED, BASIC) {
@Override
public boolean process(OptionHelper helper, String option) {
String p = option.substring(option.indexOf(':') + 1).trim();
String prev = helper.get(XADDEXPORTS);
helper.put(XADDEXPORTS.text, (prev == null) ? p : prev + '\0' + p);
return false;
}
},
XADDREADS("-XaddReads:", "opt.arg.addReads", "opt.addReads", EXTENDED, BASIC) {
@Override
public boolean process(OptionHelper helper, String option) {
String p = option.substring(option.indexOf(':') + 1).trim();
String prev = helper.get(XADDREADS);
helper.put(XADDREADS.text, (prev == null) ? p : prev + '\0' + p);
return false;
}
},
XMODULE("-Xmodule:", "opt.arg.module", "opt.module", EXTENDED, BASIC) {
@Override
public boolean process(OptionHelper helper, String option) {
String prev = helper.get(XMODULE);
if (prev != null) {
helper.error("err.option.too.many", XMODULE.text);
}
String p = option.substring(option.indexOf(':') + 1);
helper.put(XMODULE.text, p);
return false;
}
},
M("-m", "opt.arg.m", "opt.m", STANDARD, BASIC),
ADDMODS("-addmods", "opt.arg.addmods", "opt.addmods", STANDARD, BASIC),
LIMITMODS("-limitmods", "opt.arg.limitmods", "opt.limitmods", STANDARD, BASIC),
// 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, true) {
@Override
public boolean 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 boolean process(OptionHelper helper, String option) {
if (option.endsWith(".java") ) {
Path p = Paths.get(option);
if (!Files.exists(p)) {
helper.error("err.file.not.found", p);
return true;
}
if (!Files.isRegularFile(p)) {
helper.error("err.file.not.file", p);
return true;
}
helper.addFile(p);
} else {
helper.addClassName(option);
}
return false;
}
},
MULTIRELEASE("-multi-release", "opt.arg.multi-release", "opt.multi-release", HIDDEN, FILEMANAGER);
/** 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
}
public final String text;
final OptionKind kind;
final OptionGroup group;
/** Documentation key for arguments.
*/
final String argsNameKey;
/** Documentation key for description.
*/
final String descrKey;
/** Suffix option (-foo=bar or -foo:bar)
*/
final boolean hasSuffix;
/** The kind of choices for this option, if any.
*/
final ChoiceKind choiceKind;
/** The choices for this option, if any, and whether or not the choices
* are hidden
*/
final Map<String,Boolean> choices;
Option(String text, String descrKey,
OptionKind kind, OptionGroup group) {
this(text, null, descrKey, kind, group, null, null, false);
}
Option(String text, String argsNameKey, String descrKey,
OptionKind kind, OptionGroup group) {
this(text, argsNameKey, descrKey, kind, group, null, null, false);
}
Option(String text, String argsNameKey, String descrKey,
OptionKind kind, OptionGroup group, boolean doHasSuffix) {
this(text, argsNameKey, descrKey, kind, group, null, null, doHasSuffix);
}
Option(String text, OptionKind kind, OptionGroup group,
ChoiceKind choiceKind, Map<String,Boolean> choices) {
this(text, null, null, kind, group, choiceKind, choices, false);
}
Option(String text, String descrKey,
OptionKind kind, OptionGroup group,
ChoiceKind choiceKind, String... choices) {
this(text, null, descrKey, kind, group, choiceKind,
createChoices(choices), false);
}
// where
private static Map<String,Boolean> createChoices(String... choices) {
Map<String,Boolean> map = new LinkedHashMap<>();
for (String c: choices)
map.put(c, false);
return map;
}
private Option(String text, String argsNameKey, String descrKey,
OptionKind kind, OptionGroup group,
ChoiceKind choiceKind, Map<String,Boolean> choices,
boolean doHasSuffix) {
this.text = text;
this.argsNameKey = argsNameKey;
this.descrKey = descrKey;
this.kind = kind;
this.group = group;
this.choiceKind = choiceKind;
this.choices = choices;
char lastChar = text.charAt(text.length()-1);
this.hasSuffix = doHasSuffix || lastChar == ':' || lastChar == '=';
}
public String getText() {
return text;
}
public OptionKind getKind() {
return kind;
}
public boolean hasArg() {
return argsNameKey != null && !hasSuffix;
}
public boolean matches(String option) {
if (!hasSuffix)
return option.equals(text);
if (!option.startsWith(text))
return false;
if (choices != null) {
String arg = option.substring(text.length());
if (choiceKind == ChoiceKind.ONEOF)
return choices.keySet().contains(arg);
else {
for (String a: arg.split(",+")) {
if (!choices.keySet().contains(a))
return false;
}
}
}
return true;
}
public boolean process(OptionHelper helper, String option, String arg) {
if (choices != null) {
if (choiceKind == ChoiceKind.ONEOF) {
// some clients like to see just one of option+choice set
for (String s: choices.keySet())
helper.remove(option + s);
String opt = option + arg;
helper.put(opt, opt);
// some clients like to see option (without trailing ":")
// set to arg
String nm = option.substring(0, option.length() - 1);
helper.put(nm, arg);
} else {
// set option+word for each word in arg
for (String a: arg.split(",+")) {
String opt = option + a;
helper.put(opt, opt);
}
}
}
helper.put(option, arg);
if (group == OptionGroup.FILEMANAGER)
helper.handleFileManagerOption(this, arg);
return false;
}
public boolean process(OptionHelper helper, String option) {
if (hasSuffix)
return process(helper, text, option.substring(text.length()));
else
return process(helper, option, option);
}
private static final String HELP_LINE_FORMAT = " %-26s %s";
void help(Log log, OptionKind kind) {
if (this.kind != kind)
return;
log.printRawLines(WriterKind.NOTICE,
String.format(HELP_LINE_FORMAT,
helpSynopsis(log),
log.localize(PrefixKind.JAVAC, descrKey)));
}
private String helpSynopsis(Log log) {
StringBuilder sb = new StringBuilder();
sb.append(text);
if (argsNameKey == null) {
if (choices != null) {
String sep = "{";
for (Map.Entry<String,Boolean> e: choices.entrySet()) {
if (!e.getValue()) {
sb.append(sep);
sb.append(e.getKey());
sep = ",";
}
}
sb.append("}");
}
} else {
if (!hasSuffix)
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 Map<String,Boolean> getXLintChoices() {
Map<String,Boolean> choices = new LinkedHashMap<>();
choices.put("all", false);
for (Lint.LintCategory c : Lint.LintCategory.values())
choices.put(c.option, c.hidden);
for (Lint.LintCategory c : Lint.LintCategory.values())
choices.put("-" + c.option, c.hidden);
choices.put("none", false);
return choices;
}
static Set<Option> getJavaCompilerOptions() {
return EnumSet.allOf(Option.class);
}
public static Set<Option> getJavacFileManagerOptions() {
return getOptions(EnumSet.of(FILEMANAGER));
}
public static Set<Option> getJavacToolOptions() {
return getOptions(EnumSet.of(BASIC));
}
static Set<Option> getOptions(Set<OptionGroup> desired) {
Set<Option> options = EnumSet.noneOf(Option.class);
for (Option option : Option.values())
if (desired.contains(option.group))
options.add(option);
return Collections.unmodifiableSet(options);
}
}