/** * If this line can not be current => stepOver & return true. {support for non java languages} * * <p>return false on the other hand. */ boolean resolveCanBeCurrent(ThreadReference tr, Line l) { if ((l != null) && (!canBeCurrent(l, false))) { try { removeStepRequest(); findSourceSR = requestManager.createStepRequest(tr, StepRequest.STEP_LINE, StepRequest.STEP_OVER); findSourceSR.addCountFilter(1); findSourceSR.setSuspendPolicy(EventRequest.SUSPEND_ALL); operator.register(findSourceSR, this); findSourceSR.enable(); operator.resume(); } catch (DuplicateRequestException e) { e.printStackTrace(); } return true; } return false; }
/** Step out. */ public synchronized void stepOut() throws DebuggerException { if (virtualMachine == null) return; removeStepRequest(); try { setLastAction(ACTION_STEP_OUT); stepRequest = requestManager.createStepRequest( currentThread.getThreadReference(), StepRequest.STEP_LINE, StepRequest.STEP_OUT); stepRequest.addCountFilter(1); stepRequest.setSuspendPolicy(EventRequest.SUSPEND_ALL); operator.register(stepRequest, this); stepRequest.enable(); virtualMachine.resume(); super.stepOut(); } catch (DuplicateRequestException e) { e.printStackTrace(); } }
/** Finds the first executed line with source code. */ public void traceToSourceCode(ThreadReference thread) { // S ystem.out.println ("Start finding!!! "); // NOI18N // create Step Request for searching a source code try { findSourceSR = requestManager.createStepRequest(thread, StepRequest.STEP_LINE, StepRequest.STEP_OUT); findSourceSR.addCountFilter(1); findSourceSR.setSuspendPolicy(EventRequest.SUSPEND_ALL); operator.register(findSourceSR, this); findSourceSR.enable(); } catch (DuplicateRequestException e) { e.printStackTrace(); } // create Method Entry Request for searching a source code findSourceMER = requestManager.createMethodEntryRequest(); findSourceMER.setSuspendPolicy(EventRequest.SUSPEND_ALL); findSourceMER.addThreadFilter(thread); findSourceCounter = 0; operator.register( findSourceMER, new Executor() { public void exec(com.sun.jdi.event.Event event) { if (findSourceCounter == 500) { // finding source takes a long time operator.resume(); if (findSourceMER != null) { requestManager.deleteEventRequest(findSourceMER); findSourceMER = null; } return; } findSourceCounter++; Location loc = ((MethodEntryEvent) event).location(); if (loc == null) { // no line => continue finding operator.resume(); return; } String className = loc.declaringType().name(); int ln = loc.lineNumber(); // S ystem.out.println ("FIND " + className + " : " + ln); // NOI18N try { Line l = null; if ((l = Utils.getLineForSource(className, loc.sourceName(), ln)) == null) { // no line => continue finding operator.resume(); return; } // WOW I have a nice line! ThreadReference tr = ((MethodEntryEvent) event).thread(); if (resolveCanBeCurrent(tr, l)) // if can not be current => steps to some line return; // line can be current! String threadName = tr.name(); String methodName = loc.method() != null ? loc.method().name() : ""; // NOI18N String lineNumber = ln == -1 ? "?" : "" + ln; // NOI18N makeCurrent(threadName, className, methodName, lineNumber, true, tr); operator.stopRequest(); } catch (AbsentInformationException e) { } } }); findSourceMER.enable(); operator.resume(); return; }