public BreakpointRequest createBreakpointRequest(Location loc) {
BreakpointRequest bpr = this.eventRequestManager.createBreakpointRequest(loc);
// this could be SUSPEND_EVENT_THREAD
bpr.setSuspendPolicy(EventRequest.SUSPEND_ALL);
bpr.enable();
return bpr;
}
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;
}
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;
}