private EventRequest createMethodRequest(JDXDebugTarget target, Object classFilter, boolean entry)
throws CoreException {
EventRequest request = null;
EventRequestManager manager = target.getEventRequestManager();
if (manager == null) {
target.requestFailed(
JDXMessages.JDXMethodBreakpoint_Unable_to_create_breakpoint_request___VM_disconnected__1,
null); //$NON-NLS-1$
}
try {
if (entry) {
if (classFilter instanceof ClassType
&& getMethodName() != null
&& getMethodSignature() != null) {
ClassType clazz = (ClassType) classFilter;
if (clazz.name().equals(getTypeName())) {
Method method = clazz.concreteMethodByName(getMethodName(), getMethodSignature());
if (method != null && !method.isNative()) {
Location location = method.location();
if (location != null && location.codeIndex() != -1) {
request = manager.createBreakpointRequest(location);
}
}
}
}
if (request == null) {
request = manager.createMethodEntryRequest();
if (classFilter instanceof String) {
((MethodEntryRequest) request).addClassFilter((String) classFilter);
} else if (classFilter instanceof ReferenceType) {
((MethodEntryRequest) request).addClassFilter((ReferenceType) classFilter);
}
}
} else {
request = manager.createMethodExitRequest();
if (classFilter instanceof String) {
((MethodExitRequest) request).addClassFilter((String) classFilter);
} else if (classFilter instanceof ReferenceType) {
((MethodExitRequest) request).addClassFilter((ReferenceType) classFilter);
}
}
configureRequest(request, target);
} catch (VMDisconnectedException e) {
if (!target.isAvailable()) {
return null;
}
Plugin.log(e);
} catch (RuntimeException e) {
target.internalError(e);
}
return request;
}
public BreakpointRequest setBreakpoint(
String clsName, String methodName, String methodSignature) {
ReferenceType rt = findReferenceType(clsName);
if (rt == null) {
rt = resumeToPrepareOf(clsName).referenceType();
}
Method method = findMethod(rt, methodName, methodSignature);
if (method == null) {
throw new IllegalArgumentException("Bad method name/signature");
}
BreakpointRequest bpr = eventRequestManager().createBreakpointRequest(method.location());
bpr.setSuspendPolicy(EventRequest.SUSPEND_ALL);
bpr.enable();
return bpr;
}
// TODO this is not sufficient only does method names not line locations
public Location resolveLocation(String location) {
DalvikUtils.LOGGER.warn("line locations not yet implemented!");
location = location.trim();
Location loc = null;
int endIdx = location.lastIndexOf(".");
if (endIdx != -1) {
String className = location.substring(0, endIdx);
ReferenceType cr = this.findClassType(className);
if (cr != null) {
for (Method m : cr.allMethods()) {
// TODO need to think on this comparison ...
if (m.toString().contains(location)) {
loc = m.location();
break;
}
}
}
}
return loc;
}
protected ThreadReference getDebuggedThread(DebugEvaluationTest test) {
try {
// desintall previous breakpoints
this.jdiVM.eventRequestManager().deleteAllBreakpoints();
// install a breakpoint at the breakpointLine
List classes = this.jdiVM.classesByName(this.breakpointClassName);
if (classes.size() == 0) {
if (this.breakpointClassName.equals("_JDIStackFrame_")) {
// install special class
String source =
"public class _JDIStackFrame_ {\n"
+ " public int foo() {\n"
+ " return -1;\n"
+ " }\n"
+ "}";
test.compileAndDeploy(source, "_JDIStackFrame_");
}
// force load of class
test.evaluateWithExpectedDisplayString(
("return Class.forName(\"" + this.breakpointClassName + "\");").toCharArray(),
("class " + this.breakpointClassName).toCharArray());
classes = this.jdiVM.classesByName(this.breakpointClassName);
if (classes.size() == 0) {
// workaround bug in Standard VM
Iterator iterator = this.jdiVM.allClasses().iterator();
while (iterator.hasNext()) {
ReferenceType type = (ReferenceType) iterator.next();
if (type.name().equals(this.breakpointClassName)) {
classes = new ArrayList(1);
classes.add(type);
break;
}
}
if (classes.size() == 0) {
throw new Error("JDI could not retrieve class for " + this.breakpointClassName);
}
}
}
ClassType clazz = (ClassType) classes.get(0);
Method method = (Method) clazz.methodsByName(this.breakpointMethodName).get(0);
Location location;
if (this.breakpointLine < 0 || this.breakpointLine == Integer.MAX_VALUE) {
location = method.location();
} else {
location = (Location) method.locationsOfLine(this.breakpointLine).get(0);
}
BreakpointRequest request =
this.jdiVM.eventRequestManager().createBreakpointRequest(location);
request.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD);
request.enable();
// create a new thread that hit the breakpoint
EvaluationTest.Requestor requestor = test.new Requestor();
try {
test.resetEnv();
test.context.evaluate(
("(new Thread() {\n"
+ " public void run() {\n"
+ userCode
+ "\n"
+ (this.breakpointClassName.equals("_JDIStackFrame_")
? " new _JDIStackFrame_().foo();\n"
: "")
+ " }\n"
+ " public String toString() {\n"
+ " return \"my thread\";\n"
+ " }\n"
+ "}).start();\n")
.toCharArray(),
test.getEnv(),
test.getCompilerOptions(),
requestor,
test.getProblemFactory());
} catch (InstallException e) {
Assert.assertTrue("Target exception " + e.getMessage(), false);
}
EvaluationResult[] results = requestor.results;
for (int i = 0; i < requestor.resultIndex + 1; i++) {
if (results[i].hasErrors()) {
Assert.assertTrue("Compilation error in user code", false);
}
}
// Wait for the breakpoint event
Event event = null;
do {
EventSet set = this.jdiVM.eventQueue().remove();
Iterator iterator = set.eventIterator();
while (iterator.hasNext()) {
event = (Event) iterator.next();
if (event instanceof BreakpointEvent) break;
}
} while (!(event instanceof BreakpointEvent));
// Return the suspended thread
return ((BreakpointEvent) event).thread();
} catch (AbsentInformationException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
return null;
}
