static ReferenceType getReferenceTypeFromToken(String idToken) {
ReferenceType cls = null;
if (Character.isDigit(idToken.charAt(0))) {
cls = null;
} else if (idToken.startsWith("*.")) {
// This notation saves typing by letting the user omit leading
// package names. The first
// loaded class whose name matches this limited regular
// expression is selected.
idToken = idToken.substring(1);
for (ReferenceType type : Env.vm().allClasses()) {
if (type.name().endsWith(idToken)) {
cls = type;
break;
}
}
} else {
// It's a class name
List<ReferenceType> classes = Env.vm().classesByName(idToken);
if (classes.size() > 0) {
// TO DO: handle multiples
cls = classes.get(0);
}
}
return cls;
}
synchronized VirtualMachine open() {
if (connector instanceof LaunchingConnector) {
vm = launchTarget();
} else if (connector instanceof AttachingConnector) {
vm = attachTarget();
} else if (connector instanceof ListeningConnector) {
vm = listenTarget();
} else {
throw new InternalError(MessageOutput.format("Invalid connect type"));
}
vm.setDebugTraceMode(traceFlags);
if (vm.canBeModified()) {
setEventRequests(vm);
resolveEventRequests();
}
/*
* Now that the vm connection is open, fetch the debugee
* classpath and set up a default sourcepath.
* (Unless user supplied a sourcepath on the command line)
* (Bug ID 4186582)
*/
if (Env.getSourcePath().length() == 0) {
if (vm instanceof PathSearchingVirtualMachine) {
PathSearchingVirtualMachine psvm = (PathSearchingVirtualMachine) vm;
Env.setSourcePath(psvm.classPath());
} else {
Env.setSourcePath(".");
}
}
return vm;
}
static ThreadGroupReference group() {
if (group == null) {
// Current thread group defaults to the first top level
// thread group.
setThreadGroup((ThreadGroupReference) Env.vm().topLevelThreadGroups().get(0));
}
return group;
}
private static void initThreads() {
if (!gotInitialThreads) {
Iterator iter = Env.vm().allThreads().iterator();
while (iter.hasNext()) {
ThreadReference thread = (ThreadReference) iter.next();
threads.add(new ThreadInfo(thread));
}
gotInitialThreads = true;
}
}
public static void main(String argv[]) throws MissingResourceException {
redirectOutMessage();
String cmdLine = "";
String javaArgs = "";
int traceFlags = VirtualMachine.TRACE_NONE;
boolean launchImmediately = false;
String connectSpec = null;
MessageOutput.textResources =
ResourceBundle.getBundle(
"com.sun.tools.example.debug.tty.TTYResources", Locale.getDefault());
for (int i = 0; i < argv.length; i++) {
String token = argv[i];
if (token.equals("-dbgtrace")) {
if ((i == argv.length - 1) || !Character.isDigit(argv[i + 1].charAt(0))) {
traceFlags = VirtualMachine.TRACE_ALL;
} else {
String flagStr = "";
try {
flagStr = argv[++i];
traceFlags = Integer.decode(flagStr).intValue();
} catch (NumberFormatException nfe) {
usageError("dbgtrace flag value must be an integer:", flagStr);
return;
}
}
} else if (token.equals("-X")) {
usageError("Use java minus X to see");
return;
} else if (
// Standard VM options passed on
token.equals("-v")
|| token.startsWith("-v:")
|| // -v[:...]
token.startsWith("-verbose")
|| // -verbose[:...]
token.startsWith("-D")
||
// -classpath handled below
// NonStandard options passed on
token.startsWith("-X")
||
// Old-style options (These should remain in place as long as
// the standard VM accepts them)
token.equals("-noasyncgc")
|| token.equals("-prof")
|| token.equals("-verify")
|| token.equals("-noverify")
|| token.equals("-verifyremote")
|| token.equals("-verbosegc")
|| token.startsWith("-ms")
|| token.startsWith("-mx")
|| token.startsWith("-ss")
|| token.startsWith("-oss")) {
javaArgs = addArgument(javaArgs, token);
} else if (token.equals("-tclassic")) {
usageError("Classic VM no longer supported.");
return;
} else if (token.equals("-tclient")) {
// -client must be the first one
javaArgs = "-client " + javaArgs;
} else if (token.equals("-tserver")) {
// -server must be the first one
javaArgs = "-server " + javaArgs;
} else if (token.equals("-sourcepath")) {
if (i == (argv.length - 1)) {
usageError("No sourcepath specified.");
return;
}
Env.setSourcePath(argv[++i]);
} else if (token.equals("-classpath")) {
if (i == (argv.length - 1)) {
usageError("No classpath specified.");
return;
}
javaArgs = addArgument(javaArgs, token);
javaArgs = addArgument(javaArgs, argv[++i]);
} else if (token.equals("-attach")) {
if (connectSpec != null) {
usageError("cannot redefine existing connection", token);
return;
}
if (i == (argv.length - 1)) {
usageError("No attach address specified.");
return;
}
String address = argv[++i];
/*
* -attach is shorthand for one of the reference implementation's
* attaching connectors. Use the shared memory attach if it's
* available; otherwise, use sockets. Build a connect
* specification string based on this decision.
*/
if (supportsSharedMemory()) {
connectSpec = "com.sun.jdi.SharedMemoryAttach:name=" + address;
} else {
String suboptions = addressToSocketArgs(address);
connectSpec = "com.sun.jdi.SocketAttach:" + suboptions;
}
} else if (token.equals("-listen") || token.equals("-listenany")) {
if (connectSpec != null) {
usageError("cannot redefine existing connection", token);
return;
}
String address = null;
if (token.equals("-listen")) {
if (i == (argv.length - 1)) {
usageError("No attach address specified.");
return;
}
address = argv[++i];
}
/*
* -listen[any] is shorthand for one of the reference implementation's
* listening connectors. Use the shared memory listen if it's
* available; otherwise, use sockets. Build a connect
* specification string based on this decision.
*/
if (supportsSharedMemory()) {
connectSpec = "com.sun.jdi.SharedMemoryListen:";
if (address != null) {
connectSpec += ("name=" + address);
}
} else {
connectSpec = "com.sun.jdi.SocketListen:";
if (address != null) {
connectSpec += addressToSocketArgs(address);
}
}
} else if (token.equals("-launch")) {
launchImmediately = true;
} else if (token.equals("-listconnectors")) {
Commands evaluator = new Commands();
evaluator.commandConnectors(Bootstrap.virtualMachineManager());
return;
} else if (token.equals("-connect")) {
/*
* -connect allows the user to pick the connector
* used in bringing up the target VM. This allows
* use of connectors other than those in the reference
* implementation.
*/
if (connectSpec != null) {
usageError("cannot redefine existing connection", token);
return;
}
if (i == (argv.length - 1)) {
usageError("No connect specification.");
return;
}
connectSpec = argv[++i];
} else if (token.equals("-help")) {
usage();
} else if (token.equals("-version")) {
Commands evaluator = new Commands();
evaluator.commandVersion(progname, Bootstrap.virtualMachineManager());
System.exit(0);
} else if (token.startsWith("-")) {
usageError("invalid option", token);
return;
} else {
// Everything from here is part of the command line
cmdLine = addArgument("", token);
for (i++; i < argv.length; i++) {
cmdLine = addArgument(cmdLine, argv[i]);
}
break;
}
}
/*
* Unless otherwise specified, set the default connect spec.
*/
/*
* Here are examples of jdb command lines and how the options
* are interpreted as arguments to the program being debugged.
* arg1 arg2
* ---- ----
* jdb hello a b a b
* jdb hello "a b" a b
* jdb hello a,b a,b
* jdb hello a, b a, b
* jdb hello "a, b" a, b
* jdb -connect "com.sun.jdi.CommandLineLaunch:main=hello a,b" illegal
* jdb -connect com.sun.jdi.CommandLineLaunch:main=hello "a,b" illegal
* jdb -connect 'com.sun.jdi.CommandLineLaunch:main=hello "a,b"' arg1 = a,b
* jdb -connect 'com.sun.jdi.CommandLineLaunch:main=hello "a b"' arg1 = a b
* jdb -connect 'com.sun.jdi.CommandLineLaunch:main=hello a b' arg1 = a arg2 = b
* jdb -connect 'com.sun.jdi.CommandLineLaunch:main=hello "a," b' arg1 = a, arg2 = b
*/
if (connectSpec == null) {
connectSpec = "com.sun.jdi.CommandLineLaunch:";
} else if (!connectSpec.endsWith(",") && !connectSpec.endsWith(":")) {
connectSpec += ","; // (Bug ID 4285874)
}
cmdLine = cmdLine.trim();
javaArgs = javaArgs.trim();
if (cmdLine.length() > 0) {
if (!connectSpec.startsWith("com.sun.jdi.CommandLineLaunch:")) {
usageError("Cannot specify command line with connector:", connectSpec);
return;
}
connectSpec += "main=" + cmdLine + ",";
}
if (javaArgs.length() > 0) {
if (!connectSpec.startsWith("com.sun.jdi.CommandLineLaunch:")) {
usageError("Cannot specify target vm arguments with connector:", connectSpec);
return;
}
connectSpec += "options=" + javaArgs + ",";
}
try {
if (!connectSpec.endsWith(",")) {
connectSpec += ","; // (Bug ID 4285874)
}
Env.init(connectSpec, launchImmediately, traceFlags);
new ThreadDumper();
} catch (Exception e) {
MessageOutput.printException("Internal exception:", e);
}
}