package jdk.tools.jaotc;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import jdk.tools.jaotc.collect.ClassSearch;
import jdk.tools.jaotc.collect.ClassSource;
import jdk.tools.jaotc.collect.SearchFor;
import jdk.tools.jaotc.collect.SearchPath;
import jdk.tools.jaotc.collect.classname.ClassNameSourceProvider;
import jdk.tools.jaotc.collect.directory.DirectorySourceProvider;
import jdk.tools.jaotc.collect.jar.JarSourceProvider;
import jdk.tools.jaotc.collect.module.ModuleSourceProvider;
final class Options {
List<SearchFor> files = new LinkedList<>();
String osName;
String outputName = defaultOutputName();
String methodList;
List<ClassSource> sources = new ArrayList<>();
String linkerpath = null;
SearchPath searchPath = new SearchPath();
private static final int COMPILER_THREADS = 16;
int threads = Integer.min(COMPILER_THREADS, Runtime.getRuntime().availableProcessors());
boolean ignoreClassLoadingErrors;
boolean exitOnError;
boolean info;
boolean verbose;
boolean debug;
boolean help;
boolean version;
boolean compileWithAssertions;
boolean tiered;
private String defaultOutputName() {
osName = System.getProperty("os.name");
String name = "unnamed.";
String ext;
switch (osName) {
case "Linux":
ext = "so";
break;
case "Mac OS X":
ext = "dylib";
break;
default:
if (osName.startsWith("Windows")) {
ext = "dll";
} else {
ext = "so";
}
}
return name + ext;
}
static class BadArgs extends Exception {
private static final long serialVersionUID = 1L;
final String key;
final Object[] args;
boolean showUsage;
BadArgs(String key, Object... args) {
super(MessageFormat.format(key, args));
this.key = key;
this.args = args;
}
BadArgs showUsage(boolean b) {
showUsage = b;
return this;
}
}
abstract static class Option {
final String help;
final boolean hasArg;
final String[] aliases;
Option(String help, boolean hasArg, String... aliases) {
this.help = help;
this.hasArg = hasArg;
this.aliases = aliases;
}
boolean isHidden() {
return false;
}
boolean matches(String opt) {
for (String a : aliases) {
if (a.equals(opt)) {
return true;
} else if (opt.startsWith("--") && hasArg && opt.startsWith(a + "=")) {
return true;
}
}
return false;
}
boolean ignoreRest() {
return false;
}
abstract void process(Main task, String opt, String arg) throws BadArgs;
}
static Option[] recognizedOptions = {new Option(" --output <file> Output file name", true, "--output") {
@Override
void process(Main task, String opt, String arg) {
String name = arg;
task.options.outputName = name;
}
}, new Option(" --class-name <class names> List of classes to compile", true, "--class-name", "--classname") {
@Override
void process(Main task, String opt, String arg) {
task.options.files.addAll(ClassSearch.makeList(ClassNameSourceProvider.TYPE, arg));
}
}, new Option(" --jar <jarfiles> List of jar files to compile", true, "--jar") {
@Override
void process(Main task, String opt, String arg) {
task.options.files.addAll(ClassSearch.makeList(JarSourceProvider.TYPE, arg));
}
}, new Option(" --module <modules> List of modules to compile", true, "--module") {
@Override
void process(Main task, String opt, String arg) {
task.options.files.addAll(ClassSearch.makeList(ModuleSourceProvider.TYPE, arg));
}
}, new Option(" --directory <dirs> List of directories where to search for files to compile", true, "--directory") {
@Override
void process(Main task, String opt, String arg) {
task.options.files.addAll(ClassSearch.makeList(DirectorySourceProvider.TYPE, arg));
}
}, new Option(" --search-path <dirs> List of directories where to search for specified files", true, "--search-path") {
@Override
void process(Main task, String opt, String arg) {
String[] elements = arg.split(":");
task.options.searchPath.add(elements);
}
}, new Option(" --compile-commands <file> Name of file with compile commands", true, "--compile-commands") {
@Override
void process(Main task, String opt, String arg) {
task.options.methodList = arg;
}
}, new Option(" --compile-for-tiered Generate profiling code for tiered compilation", false, "--compile-for-tiered") {
@Override
void process(Main task, String opt, String arg) {
task.options.tiered = true;
}
}, new Option(" --compile-with-assertions Compile with java assertions", false, "--compile-with-assertions") {
@Override
void process(Main task, String opt, String arg) {
task.options.compileWithAssertions = true;
}
}, new Option(" --compile-threads <number> Number of compilation threads to be used", true, "--compile-threads", "--threads") {
@Override
void process(Main task, String opt, String arg) {
int threads = Integer.parseInt(arg);
final int available = Runtime.getRuntime().availableProcessors();
if (threads <= 0) {
task.warning("invalid number of threads specified: {0}, using: {1}", threads, available);
threads = available;
}
if (threads > available) {
task.warning("too many threads specified: {0}, limiting to: {1}", threads, available);
}
task.options.threads = Integer.min(threads, available);
}
}, new Option(" --ignore-errors Ignores all exceptions thrown during class loading", false, "--ignore-errors") {
@Override
void process(Main task, String opt, String arg) {
task.options.ignoreClassLoadingErrors = true;
}
}, new Option(" --exit-on-error Exit on compilation errors", false, "--exit-on-error") {
@Override
void process(Main task, String opt, String arg) {
task.options.exitOnError = true;
}
}, new Option(" --info Print information during compilation", false, "--info") {
@Override
void process(Main task, String opt, String arg) throws BadArgs {
task.options.info = true;
}
}, new Option(" --verbose Print verbose information", false, "--verbose") {
@Override
void process(Main task, String opt, String arg) throws BadArgs {
task.options.info = true;
task.options.verbose = true;
}
}, new Option(" --debug Print debug information", false, "--debug") {
@Override
void process(Main task, String opt, String arg) throws BadArgs {
task.options.info = true;
task.options.verbose = true;
task.options.debug = true;
}
}, new Option(" -? -h --help Print this help message", false, "--help", "-h", "-?") {
@Override
void process(Main task, String opt, String arg) {
task.options.help = true;
}
}, new Option(" --version Version information", false, "--version") {
@Override
void process(Main task, String opt, String arg) {
task.options.version = true;
}
}, new Option(" --linker-path Full path to linker executable", true, "--linker-path") {
@Override
void process(Main task, String opt, String arg) {
task.options.linkerpath = arg;
}
}, new Option(" -J<flag> Pass <flag> directly to the runtime system", false, "-J") {
@Override
void process(Main task, String opt, String arg) {
}
}};
static void handleOptions(Main task, String[] args) throws BadArgs {
if (args.length == 0) {
task.options.help = true;
return;
}
int i = 0;
while (i < args.length) {
String arg = args[i];
if (arg.charAt(0) == '-') {
Option option = getOption(arg);
String param = null;
if (option.hasArg) {
if (arg.startsWith("--") && arg.indexOf('=') > 0) {
param = arg.substring(arg.indexOf('=') + 1, arg.length());
} else if (i + 1 < args.length) {
param = args[++i];
}
if (param == null || param.isEmpty() || param.charAt(0) == '-') {
throw new BadArgs("missing argument for option: {0}", arg).showUsage(true);
}
}
option.process(task, arg, param);
if (option.ignoreRest()) {
break;
}
} else {
task.options.files.add(new SearchFor(arg));
}
i++;
}
}
static Option getOption(String name) throws BadArgs {
for (Option o : recognizedOptions) {
if (o.matches(name)) {
return o;
}
}
throw new BadArgs("unknown option: {0}", name).showUsage(true);
}
}
Options
COMPILER_THREADS: int
