void compareAllVariables(String className, String methodName) throws Exception {
println("compareAllVariables for method: " + className + "." + methodName);
Method method = getMethod(className, methodName);
List localVars;
try {
localVars = method.variables();
println("\n Success: got a list of all method variables: " + methodName);
} catch (com.sun.jdi.AbsentInformationException ex) {
failure("\n AbsentInformationException has been thrown");
return;
}
// We consider N*N combinations for set of N variables
int index1 = 0;
for (Iterator it1 = localVars.iterator(); it1.hasNext(); index1++) {
LocalVariable lv1 = (LocalVariable) it1.next();
int index2 = 0;
for (Iterator it2 = localVars.iterator(); it2.hasNext(); index2++) {
LocalVariable lv2 = (LocalVariable) it2.next();
println("\n Two variables:");
printVariable(lv1, index1);
printVariable(lv2, index2);
println("");
if (index1 == index2) {
compareTwoEqualVars(lv1, lv2);
} else {
compareTwoDifferentVars(lv1, lv2);
}
}
}
println("");
return;
}
@Override
public List<IWatchable> getVisibleWatchables() {
try {
StackFrame stackFrame = getStackFrame();
List<IWatchable> result = new ArrayList<IWatchable>();
if (stackFrame != null) {
for (LocalVariable variable : stackFrame.visibleVariables()) {
result.add(new JavaLocalVariable(variable, this, myClassFqName, myThreadReference));
}
ObjectReference thisObject = stackFrame.thisObject();
if (thisObject != null) {
result.add(new JavaThisObject(thisObject, this, myClassFqName, myThreadReference));
} else {
result.add(
new JavaStaticContext(
getStackFrame().location().declaringType(), myClassFqName, myThreadReference));
}
}
return result;
} catch (InvalidStackFrameException ex) {
LOG.warning(
"InvalidStackFrameException",
ex); // TODO something should be done here. See, for instance, how idea deals with those
// exceptions
return Collections.emptyList();
} catch (AbsentInformationException ex) {
// doing nothing, variables are just not available for us
return Collections.emptyList();
}
}
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 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;
}
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 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;
}
String sourceLine(int number) {
int index = number - 1; // list is 0-indexed
if (index >= sourceLines.size()) {
return null;
} else {
return sourceLines.get(index);
}
}
static void setExcludes(String excludeString) {
StringTokenizer t = new StringTokenizer(excludeString, " ,;");
List<String> list = new ArrayList<String>();
while (t.hasMoreTokens()) {
list.add(t.nextToken());
}
excludes = list;
}
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;
}
List<ReferenceType> inheritedTypes() {
List<ReferenceType> inherited = new ArrayList<ReferenceType>();
if (superclass() != null) {
inherited.add(0, (ReferenceType) superclass()); /* insert at front */
}
for (ReferenceType rt : interfaces()) {
inherited.add(rt);
}
return inherited;
}
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();
}
}
/*
* Find Connector by name
*/
private static Connector findConnector(String name) {
List connectors = Bootstrap.virtualMachineManager().allConnectors();
Iterator iter = connectors.iterator();
while (iter.hasNext()) {
Connector connector = (Connector) iter.next();
if (connector.name().equals(name)) {
return connector;
}
}
return null;
}
/** @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;
}
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;
}
protected void runTests() throws Exception {
/*
* Get to the top of main()
* to determine targetClass and mainThread
*/
BreakpointEvent bpe = startToMain("GetLocalVariables2Targ");
targetClass = bpe.location().declaringType();
mainThread = bpe.thread();
EventRequestManager erm = vm().eventRequestManager();
bpe = resumeTo("GetLocalVariables2Targ", "bar", "(I)Z");
/*
* Inspect the stack frame for main(), not bar()...
*/
StackFrame frame = bpe.thread().frame(1);
List localVars = frame.visibleVariables();
System.out.println(" Visible variables at this point are: ");
for (Iterator it = localVars.iterator(); it.hasNext(); ) {
LocalVariable lv = (LocalVariable) it.next();
System.out.print(lv.name());
System.out.print(" typeName: ");
System.out.print(lv.typeName());
System.out.print(" signature: ");
System.out.print(lv.type().signature());
System.out.print(" primitive type: ");
System.out.println(lv.type().name());
if ("command".equals(lv.name())) {
failure("Failure: LocalVariable \"command\" should not be visible at this point.");
if (lv.isVisible(frame)) {
System.out.println("Failure: \"command.isvisible(frame)\" returned true.");
}
}
}
/*
* resume the target listening for events
*/
listenUntilVMDisconnect();
/*
* deal with results of test
* if anything has called failure("foo") testFailed will be true
*/
if (!testFailed) {
println("GetLocalVariables2Test: passed");
} else {
throw new Exception("GetLocalVariables2Test: failed");
}
}
private void listEventRequests() throws NoSessionException {
// Print set breakpoints
List<EventRequestSpec> specs = runtime.eventRequestSpecs();
if (specs.isEmpty()) {
env.notice("No breakpoints/watchpoints/exceptions set.");
} else {
OutputSink out = env.getOutputSink();
out.println("Current breakpoints/watchpoints/exceptions set:");
for (EventRequestSpec bp : specs) {
out.println("\t" + bp);
}
out.show();
}
}
public List<ClassType> subclasses() {
List<ClassType> subs = new ArrayList<ClassType>();
for (ReferenceType refType : vm.allClasses()) {
if (refType instanceof ClassType) {
ClassType clazz = (ClassType) refType;
ClassType superclass = clazz.superclass();
if ((superclass != null) && superclass.equals(this)) {
subs.add((ClassType) refType);
}
}
}
return subs;
}
void addInterfaces(List<InterfaceType> list) {
List<InterfaceType> immediate = interfaces();
list.addAll(interfaces());
Iterator iter = immediate.iterator();
while (iter.hasNext()) {
InterfaceTypeImpl interfaze = (InterfaceTypeImpl) iter.next();
interfaze.addSuperinterfaces(list);
}
ClassTypeImpl superclass = (ClassTypeImpl) superclass();
if (superclass != null) {
superclass.addInterfaces(list);
}
}
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 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();
}
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 List<ReferenceType> nestedTypes(ReferenceType refType) {
List<ReferenceType> nestedTypes = myNestedClassesCache.get(refType);
if (nestedTypes == null) {
List<ReferenceType> list = Collections.emptyList();
try {
list = refType.nestedTypes();
} catch (Throwable e) {
// sometimes some strange errors are thrown from JDI. Do not crash debugger because of this.
// Example:
// java.lang.StringIndexOutOfBoundsException: String index out of range: 487700285
// at java.lang.String.checkBounds(String.java:375)
// at java.lang.String.<init>(String.java:415)
// at com.sun.tools.jdi.PacketStream.readString(PacketStream.java:392)
// at
// com.sun.tools.jdi.JDWP$VirtualMachine$AllClassesWithGeneric$ClassInfo.<init>(JDWP.java:1644)
LOG.info(e);
}
if (!list.isEmpty()) {
final Set<ReferenceType> candidates = new HashSet<>();
final ClassLoaderReference outerLoader = refType.classLoader();
for (ReferenceType nested : list) {
try {
if (outerLoader == null
? nested.classLoader() == null
: outerLoader.equals(nested.classLoader())) {
candidates.add(nested);
}
} catch (ObjectCollectedException ignored) {
}
}
if (!candidates.isEmpty()) {
// keep only direct nested types
final Set<ReferenceType> nested2 = new HashSet<>();
for (final ReferenceType candidate : candidates) {
nested2.addAll(nestedTypes(candidate));
}
candidates.removeAll(nested2);
}
nestedTypes = candidates.isEmpty() ? Collections.emptyList() : new ArrayList<>(candidates);
} else {
nestedTypes = Collections.emptyList();
}
myNestedClassesCache.put(refType, nestedTypes);
}
return nestedTypes;
}
/**
* @param context
* @return all CodeFragmentFactoryProviders that provide code fragment factories suitable in the
* context given
*/
public static List<CodeFragmentFactory> getCodeFragmentFactories(@Nullable PsiElement context) {
final DefaultCodeFragmentFactory defaultFactory = DefaultCodeFragmentFactory.getInstance();
final CodeFragmentFactory[] providers =
ApplicationManager.getApplication().getExtensions(CodeFragmentFactory.EXTENSION_POINT_NAME);
final List<CodeFragmentFactory> suitableFactories =
new ArrayList<CodeFragmentFactory>(providers.length);
if (providers.length > 0) {
for (CodeFragmentFactory factory : providers) {
if (factory != defaultFactory && factory.isContextAccepted(context)) {
suitableFactories.add(factory);
}
}
}
suitableFactories.add(defaultFactory); // let default factory be the last one
return suitableFactories;
}
public static List<PsiLambdaExpression> collectLambdas(
@NotNull SourcePosition position, final boolean onlyOnTheLine) {
ApplicationManager.getApplication().assertReadAccessAllowed();
PsiFile file = position.getFile();
final int line = position.getLine();
final Document document = PsiDocumentManager.getInstance(file.getProject()).getDocument(file);
if (document == null || line >= document.getLineCount()) {
return Collections.emptyList();
}
PsiElement element = position.getElementAt();
final TextRange lineRange = DocumentUtil.getLineTextRange(document, line);
do {
PsiElement parent = element.getParent();
if (parent == null || (parent.getTextOffset() < lineRange.getStartOffset())) {
break;
}
element = parent;
} while (true);
final List<PsiLambdaExpression> lambdas = new ArrayList<PsiLambdaExpression>(3);
final PsiElementVisitor lambdaCollector =
new JavaRecursiveElementVisitor() {
@Override
public void visitLambdaExpression(PsiLambdaExpression expression) {
super.visitLambdaExpression(expression);
if (!onlyOnTheLine || getFirstElementOnTheLine(expression, document, line) != null) {
lambdas.add(expression);
}
}
};
element.accept(lambdaCollector);
// add initial lambda if we're inside already
PsiElement method = getContainingMethod(element);
if (method instanceof PsiLambdaExpression) {
lambdas.add((PsiLambdaExpression) method);
}
for (PsiElement sibling = getNextElement(element);
sibling != null;
sibling = getNextElement(sibling)) {
if (!intersects(lineRange, sibling)) {
break;
}
sibling.accept(lambdaCollector);
}
return lambdas;
}
StepRequestImpl(ThreadReference thread, int size, int depth) {
this.thread = (ThreadReferenceImpl) thread;
this.size = size;
this.depth = depth;
/*
* Make sure this isn't a duplicate
*/
List requests = stepRequests();
Iterator iter = requests.iterator();
while (iter.hasNext()) {
StepRequest request = (StepRequest) iter.next();
if ((request != this) && request.isEnabled() && request.thread().equals(thread)) {
throw new DuplicateRequestException("Only one step request allowed per thread");
}
}
}
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;
}
public Value invokeMethod(
ThreadReference threadIntf,
Method methodIntf,
List<? extends Value> origArguments,
int options)
throws InvalidTypeException, ClassNotLoadedException, IncompatibleThreadStateException,
InvocationException {
validateMirror(threadIntf);
validateMirror(methodIntf);
validateMirrorsOrNulls(origArguments);
MethodImpl method = (MethodImpl) methodIntf;
ThreadReferenceImpl thread = (ThreadReferenceImpl) threadIntf;
validateMethodInvocation(method);
List<? extends Value> arguments = method.validateAndPrepareArgumentsForInvoke(origArguments);
ValueImpl[] args = arguments.toArray(new ValueImpl[0]);
JDWP.ClassType.InvokeMethod ret;
try {
PacketStream stream = sendInvokeCommand(thread, method, args, options);
ret = JDWP.ClassType.InvokeMethod.waitForReply(vm, stream);
} catch (JDWPException exc) {
if (exc.errorCode() == JDWP.Error.INVALID_THREAD) {
throw new IncompatibleThreadStateException();
} else {
throw exc.toJDIException();
}
}
/*
* There is an implict VM-wide suspend at the conclusion
* of a normal (non-single-threaded) method invoke
*/
if ((options & INVOKE_SINGLE_THREADED) == 0) {
vm.notifySuspend();
}
if (ret.exception != null) {
throw new InvocationException(ret.exception);
} else {
return ret.returnValue;
}
}