static synchronized String sourceLine(Location location, int lineNumber) throws IOException {
if (lineNumber == -1) {
throw new IllegalArgumentException();
}
try {
String fileName = location.sourceName();
Iterator<SourceCode> iter = sourceCache.iterator();
SourceCode code = null;
while (iter.hasNext()) {
SourceCode candidate = iter.next();
if (candidate.fileName().equals(fileName)) {
code = candidate;
iter.remove();
break;
}
}
if (code == null) {
BufferedReader reader = sourceReader(location);
if (reader == null) {
throw new FileNotFoundException(fileName);
}
code = new SourceCode(fileName, reader);
if (sourceCache.size() == SOURCE_CACHE_SIZE) {
sourceCache.remove(sourceCache.size() - 1);
}
}
sourceCache.add(0, code);
return code.sourceLine(lineNumber);
} catch (AbsentInformationException e) {
throw new IllegalArgumentException();
}
}
private int printThreadGroup(OutputSink out, ThreadGroupReference tg, int iThread) {
out.println("Group " + tg.name() + ":");
List<ThreadReference> tlist = tg.threads();
int maxId = 0;
int maxName = 0;
for (int i = 0; i < tlist.size(); i++) {
ThreadReference thr = tlist.get(i);
int len = Utils.description(thr).length();
if (len > maxId) {
maxId = len;
}
String name = thr.name();
int iDot = name.lastIndexOf('.');
if (iDot >= 0 && name.length() > iDot) {
name = name.substring(iDot + 1);
}
if (name.length() > maxName) {
maxName = name.length();
}
}
String maxNumString = String.valueOf(iThread + tlist.size());
int maxNumDigits = maxNumString.length();
for (int i = 0; i < tlist.size(); i++) {
ThreadReference thr = tlist.get(i);
char buf[] = new char[80];
for (int j = 0; j < 79; j++) {
buf[j] = ' ';
}
buf[79] = '\0';
StringBuffer sbOut = new StringBuffer();
sbOut.append(buf);
// Right-justify the thread number at start of output string
String numString = String.valueOf(iThread + i + 1);
sbOut.insert(maxNumDigits - numString.length(), numString);
sbOut.insert(maxNumDigits, ".");
int iBuf = maxNumDigits + 2;
sbOut.insert(iBuf, Utils.description(thr));
iBuf += maxId + 1;
String name = thr.name();
int iDot = name.lastIndexOf('.');
if (iDot >= 0 && name.length() > iDot) {
name = name.substring(iDot + 1);
}
sbOut.insert(iBuf, name);
iBuf += maxName + 1;
sbOut.insert(iBuf, Utils.getStatus(thr));
sbOut.setLength(79);
out.println(sbOut.toString());
}
for (ThreadGroupReference tg0 : tg.threadGroups()) {
if (!tg.equals(tg0)) { // TODO ref mgt
iThread += printThreadGroup(out, tg0, iThread + tlist.size());
}
}
return tlist.size();
}
public static ClassFilter[] readFilters(List<Element> children) throws InvalidDataException {
if (ContainerUtil.isEmpty(children)) {
return ClassFilter.EMPTY_ARRAY;
}
ClassFilter[] filters = new ClassFilter[children.size()];
for (int i = 0, size = children.size(); i < size; i++) {
filters[i] = create(children.get(i));
}
return filters;
}
public static ClassFilter[] readFilters(List children) throws InvalidDataException {
if (children == null || children.size() == 0) {
return ClassFilter.EMPTY_ARRAY;
}
List<ClassFilter> classFiltersList = new ArrayList<ClassFilter>(children.size());
for (Iterator i = children.iterator(); i.hasNext(); ) {
final ClassFilter classFilter = new ClassFilter();
classFilter.readExternal((Element) i.next());
classFiltersList.add(classFilter);
}
return classFiltersList.toArray(new ClassFilter[classFiltersList.size()]);
}
/** ******** test assist ********* */
Method getMethod(String className, String methodName) {
List refs = vm().classesByName(className);
if (refs.size() != 1) {
failure("Test failure: " + refs.size() + " ReferenceTypes named: " + className);
return null;
}
ReferenceType refType = (ReferenceType) refs.get(0);
List meths = refType.methodsByName(methodName);
if (meths.size() != 1) {
failure("Test failure: " + meths.size() + " methods named: " + methodName);
return null;
}
return (Method) meths.get(0);
}
private static boolean elementListsEqual(List<Element> l1, List<Element> l2) {
if (l1 == null) return l2 == null;
if (l2 == null) return false;
if (l1.size() != l2.size()) return false;
Iterator<Element> i1 = l1.iterator();
for (Element aL2 : l2) {
Element elem1 = i1.next();
if (!elementsEqual(elem1, aL2)) return false;
}
return true;
}
private void commandMethods(StringTokenizer t) throws NoSessionException {
if (!t.hasMoreTokens()) {
env.error("No class specified.");
return;
}
String idClass = t.nextToken();
ReferenceType cls = findClass(idClass);
if (cls != null) {
List<Method> methods = cls.allMethods();
OutputSink out = env.getOutputSink();
for (int i = 0; i < methods.size(); i++) {
Method method = methods.get(i);
out.print(method.declaringType().name() + " " + method.name() + "(");
Iterator<String> it = method.argumentTypeNames().iterator();
if (it.hasNext()) {
while (true) {
out.print(it.next());
if (!it.hasNext()) {
break;
}
out.print(", ");
}
}
out.println(")");
}
out.show();
} else {
// ### Should validate class name syntax.
env.failure("\"" + idClass + "\" is not a valid id or class name.");
}
}
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;
}
private void commandClear(StringTokenizer t) throws NoSessionException {
if (!t.hasMoreTokens()) {
// Print set breakpoints
listEventRequests();
return;
}
// ### need 'clear all'
BreakpointSpec bpSpec = parseBreakpointSpec(t.nextToken());
if (bpSpec != null) {
List<EventRequestSpec> specs = runtime.eventRequestSpecs();
if (specs.isEmpty()) {
env.notice("No breakpoints set.");
} else {
List<EventRequestSpec> toDelete = new ArrayList<EventRequestSpec>();
for (EventRequestSpec spec : specs) {
if (spec.equals(bpSpec)) {
toDelete.add(spec);
}
}
// The request used for matching should be found
if (toDelete.size() <= 1) {
env.notice("No matching breakpoint set.");
}
for (EventRequestSpec spec : toDelete) {
runtime.delete(spec);
}
}
} else {
env.error("Ill-formed breakpoint specification.");
}
}
private static AttachingConnector getAttachingConnectorFor(String transport) {
List acs = Bootstrap.virtualMachineManager().attachingConnectors();
AttachingConnector ac;
int i, k = acs.size();
for (i = 0; i < k; i++)
if ((ac = (AttachingConnector) acs.get(i)).transport().name().equals(transport)) return ac;
return null;
}
private static boolean elementListsEqual(List<Element> l1, List<Element> l2) {
if (l1 == null) return l2 == null;
if (l2 == null) return false;
if (l1.size() != l2.size()) return false;
Iterator<Element> i1 = l1.iterator();
Iterator<Element> i2 = l2.iterator();
while (i2.hasNext()) {
Element elem1 = i1.next();
Element elem2 = i2.next();
if (!elementsEqual(elem1, elem2)) return false;
}
return true;
}
private ReferenceType findClass(String pattern) throws NoSessionException {
List<ReferenceType> results = runtime.findClassesMatchingPattern(pattern);
if (results.size() > 0) {
// ### Should handle multiple results sensibly.
return results.get(0);
}
return null;
}
String sourceLine(int number) {
int index = number - 1; // list is 0-indexed
if (index >= sourceLines.size()) {
return null;
} else {
return sourceLines.get(index);
}
}
private static boolean attributeListsEqual(List<Attribute> l1, List<Attribute> l2) {
if (l1 == null) return l2 == null;
if (l2 == null) return false;
if (l1.size() != l2.size()) return false;
Iterator<Attribute> i1 = l1.iterator();
for (Attribute aL2 : l2) {
Attribute attr1 = i1.next();
if (!Comparing.equal(attr1.getName(), aL2.getName())
|| !Comparing.equal(attr1.getValue(), aL2.getValue())) {
return false;
}
}
return true;
}
EventRequest request(int eventCmd, int requestId) {
List rl = requestList(eventCmd);
for (int i = rl.size() - 1; i >= 0; i--) {
EventRequestImpl er = (EventRequestImpl) rl.get(i);
if (er.id == requestId) {
return er;
}
}
return null;
}
private ThreadReference[] threads() throws NoSessionException {
if (threads == null) {
ThreadIterator ti = new ThreadIterator(getDefaultThreadGroup());
List<ThreadReference> tlist = new ArrayList<ThreadReference>();
while (ti.hasNext()) {
tlist.add(ti.nextThread());
}
threads = tlist.toArray(new ThreadReference[tlist.size()]);
}
return threads;
}
private void dumpStack(ThreadReference thread, boolean showPC) {
// ### Check for these.
// env.failure("Thread no longer exists.");
// env.failure("Target VM must be in interrupted state.");
// env.failure("Current thread isn't suspended.");
// ### Should handle extremely long stack traces sensibly for user.
List<StackFrame> stack = null;
try {
stack = thread.frames();
} catch (IncompatibleThreadStateException e) {
env.failure("Thread is not suspended.");
}
// ### Fix this!
// ### Previously mishandled cases where thread was not current.
// ### Now, prints all of the stack regardless of current frame.
int frameIndex = 0;
// int frameIndex = context.getCurrentFrameIndex();
if (stack == null) {
env.failure("Thread is not running (no stack).");
} else {
OutputSink out = env.getOutputSink();
int nFrames = stack.size();
for (int i = frameIndex; i < nFrames; i++) {
StackFrame frame = stack.get(i);
Location loc = frame.location();
Method meth = loc.method();
out.print(" [" + (i + 1) + "] ");
out.print(meth.declaringType().name());
out.print('.');
out.print(meth.name());
out.print(" (");
if (meth.isNative()) {
out.print("native method");
} else if (loc.lineNumber() != -1) {
try {
out.print(loc.sourceName());
} catch (AbsentInformationException e) {
out.print("<unknown>");
}
out.print(':');
out.print(loc.lineNumber());
}
out.print(')');
if (showPC) {
long pc = loc.codeIndex();
if (pc != -1) {
out.print(", pc = " + pc);
}
}
out.println();
}
out.show();
}
}
/** @return a list of threadGroupProxies */
public List<ThreadGroupReferenceProxyImpl> topLevelThreadGroups() {
List<ThreadGroupReference> list = getVirtualMachine().topLevelThreadGroups();
List<ThreadGroupReferenceProxyImpl> result = new ArrayList<>(list.size());
for (ThreadGroupReference threadGroup : list) {
result.add(getThreadGroupReferenceProxy(threadGroup));
}
return result;
}
private void commandLocals() throws NoSessionException {
ThreadReference current = context.getCurrentThread();
if (current == null) {
env.failure("No default thread specified: " + "use the \"thread\" command first.");
return;
}
StackFrame frame;
try {
frame = context.getCurrentFrame(current);
if (frame == null) {
env.failure("Thread has not yet created any stack frames.");
return;
}
} catch (VMNotInterruptedException e) {
env.failure("Target VM must be in interrupted state.");
return;
}
List<LocalVariable> vars;
try {
vars = frame.visibleVariables();
if (vars == null || vars.size() == 0) {
env.failure("No local variables");
return;
}
} catch (AbsentInformationException e) {
env.failure(
"Local variable information not available."
+ " Compile with -g to generate variable information");
return;
}
OutputSink out = env.getOutputSink();
out.println("Method arguments:");
for (LocalVariable var : vars) {
if (var.isArgument()) {
printVar(out, var, frame);
}
}
out.println("Local variables:");
for (LocalVariable var : vars) {
if (!var.isArgument()) {
printVar(out, var, frame);
}
}
out.show();
return;
}
public static void addThreadDump(
Project project,
List<ThreadState> threads,
final RunnerLayoutUi ui,
DebuggerSession session) {
final TextConsoleBuilder consoleBuilder =
TextConsoleBuilderFactory.getInstance().createBuilder(project);
consoleBuilder.filters(ExceptionFilters.getFilters(session.getSearchScope()));
final ConsoleView consoleView = consoleBuilder.getConsole();
final DefaultActionGroup toolbarActions = new DefaultActionGroup();
consoleView.allowHeavyFilters();
final ThreadDumpPanel panel =
new ThreadDumpPanel(project, consoleView, toolbarActions, threads);
final String id = THREAD_DUMP_CONTENT_PREFIX + " #" + myCurrentThreadDumpId;
final Content content = ui.createContent(id, panel, id, null, null);
content.putUserData(RunnerContentUi.LIGHTWEIGHT_CONTENT_MARKER, Boolean.TRUE);
content.setCloseable(true);
content.setDescription("Thread Dump");
ui.addContent(content);
ui.selectAndFocus(content, true, true);
myThreadDumpsCount++;
myCurrentThreadDumpId++;
Disposer.register(
content,
new Disposable() {
@Override
public void dispose() {
myThreadDumpsCount--;
if (myThreadDumpsCount == 0) {
myCurrentThreadDumpId = 1;
}
}
});
Disposer.register(content, consoleView);
ui.selectAndFocus(content, true, false);
if (threads.size() > 0) {
panel.selectStackFrame(0);
}
}
private void commandList(StringTokenizer t) throws NoSessionException {
ThreadReference current = context.getCurrentThread();
if (current == null) {
env.error("No thread specified.");
return;
}
Location loc;
try {
StackFrame frame = context.getCurrentFrame(current);
if (frame == null) {
env.failure("Thread has not yet begun execution.");
return;
}
loc = frame.location();
} catch (VMNotInterruptedException e) {
env.failure("Target VM must be in interrupted state.");
return;
}
SourceModel source = sourceManager.sourceForLocation(loc);
if (source == null) {
if (loc.method().isNative()) {
env.failure("Current method is native.");
return;
}
env.failure("No source available for " + Utils.locationString(loc) + ".");
return;
}
ReferenceType refType = loc.declaringType();
int lineno = loc.lineNumber();
if (t.hasMoreTokens()) {
String id = t.nextToken();
// See if token is a line number.
try {
lineno = Integer.valueOf(id).intValue();
} catch (NumberFormatException nfe) {
// It isn't -- see if it's a method name.
List<Method> meths = refType.methodsByName(id);
if (meths == null || meths.size() == 0) {
env.failure(
id + " is not a valid line number or " + "method name for class " + refType.name());
return;
} else if (meths.size() > 1) {
env.failure(id + " is an ambiguous method name in" + refType.name());
return;
}
loc = meths.get(0).location();
lineno = loc.lineNumber();
}
}
int startLine = (lineno > 4) ? lineno - 4 : 1;
int endLine = startLine + 9;
String sourceLine = source.sourceLine(lineno);
if (sourceLine == null) {
env.failure("" + lineno + " is an invalid line number for " + refType.name());
} else {
OutputSink out = env.getOutputSink();
for (int i = startLine; i <= endLine; i++) {
sourceLine = source.sourceLine(i);
if (sourceLine == null) {
break;
}
out.print(i);
out.print("\t");
if (i == lineno) {
out.print("=> ");
} else {
out.print(" ");
}
out.println(sourceLine);
}
out.show();
}
}