@Override
public CompoundExplainer getExplainer(ExplainContext context) {
Attributes atts = new Attributes();
atts.put(Label.NAME, PrimitiveExplainer.getInstance(getName()));
atts.put(Label.BINDING_POSITION, PrimitiveExplainer.getInstance(bindingPosition));
atts.put(Label.INPUT_OPERATOR, input.getExplainer(context));
atts.put(Label.INPUT_OPERATOR, onPositive.getExplainer(context));
for (TPreparedExpression field : tFields) {
atts.put(Label.EXPRESSIONS, field.getExplainer(context));
}
atts.put(Label.PIPELINE, PrimitiveExplainer.getInstance(pipeline));
return new CompoundExplainer(Type.BLOOM_FILTER, atts);
}
public boolean removeInput(Operator input) {
String inName = input.getAttribute("id"); // get the name if input to remove from this
if (inName == null || inName.isEmpty()) { // no name of input to remove
System.out.println("Input node has no id"); // warn
return false; // no valid input name to remove, abort
}
String inputString = this.getAttribute("input"); // get string listing input names for this
ArrayList<String> ins; // declare an array list
if (inputString == null || inputString.isEmpty()) { // empty list to remove from
return false; // nothing to remove, abort
} else { // input string is not empty
// split input string at spaces and make new array list
ins = new ArrayList<String>(Arrays.asList(this.getAttribute("input").split(" ")));
}
if (!ins.contains(inName)) { // input is not present to be removed
return false; // no input to remove, abort
} else { // remove the input
ins.remove(inName); // remove the desired input.
// rebuild input string
String allIns = ""; // empty string to hold list of inputs
for (String s : ins) { // iterate over inputs
allIns += s + " "; // append input name to string with space
}
allIns = allIns.trim(); // remove trailing space
this.setAttribute("input", allIns); // set intput attribute to this string of inputs
return true; // success! return true
}
}
public boolean addInput(Operator input) {
String inName = input.getAttribute("id"); // get the id of input to add
if (inName == null || inName.isEmpty()) { // make sure input has a valid name
System.out.println("Input node has no id"); // no valid name, print warning and abort
return false;
}
String inputString = this.getAttribute("input"); // get the input string for this op
ArrayList<String> ins; // delcare an array list
if (inputString == null || inputString.isEmpty()) { // if the input string is empty
ins = new ArrayList<String>(); // make an empty array list
} else { // input string is not empty
// split input into ArrayList at spaces
ins = new ArrayList<String>(Arrays.asList(this.getAttribute("input").split(" ")));
}
if (ins.contains(inName)) { // check if input is already present
return false; // input already present, abort
} else { // input is not yet present
ins.add(inName); // add input to array list
String allIns = ""; // empty string to hold list of inputs
for (String s : ins) { // iterate over inputs
allIns += s + " "; // append input name to string with space
}
allIns = allIns.trim(); // remove trailing space
this.setAttribute("input", allIns); // set intput attribute to this string of inputs
return true; // success! return true
}
}
/** Performs stop action. */
void stop(boolean stop, final AbstractThread thread) {
final ResourceBundle bundle = NbBundle.getBundle(JPDADebugger.class);
if (stop) {
removeStepRequest();
setLastAction(ACTION_BREAKPOINT_HIT);
setDebuggerState(DEBUGGER_STOPPED);
operator.stopRequest();
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
thread.setCurrent(true);
updateWatches();
threadGroup.refresh();
}
});
} else operator.resume();
}
/**
* 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;
}
public int execute(String input) {
Deque<Integer> stack = new ArrayDeque<>();
for (String s : input.split("\\s")) {
Operator operator = opetators.get(s);
if (operator != null) {
Integer num1 = stack.pop();
Integer num2 = stack.pop();
stack.push(operator.execute(num1, num2));
} else {
stack.push(Integer.valueOf(s));
}
}
return stack.pop();
}
/*
* evaluate the given expression.
*/
public Object evaluate(Expression e) {
if (e == null) {
return null;
}
if (debug) {
System.out.println("Evaluating expression: " + e);
}
if (e instanceof Literal) {
return ((Literal) e).getValue();
}
if (e instanceof Identifier) {
Identifier id = (Identifier) e;
if (map.containsKey(id.getName())) {
return map.get(id.getName());
} else {
// cache the data values for coherency of the values over
// the life of this expression executer.
Monitor m = (Monitor) id.getValue();
Object v = m.getValue();
map.put(id.getName(), v);
return v;
}
}
Expression l = e.getLeft();
Expression r = e.getRight();
Operator op = e.getOperator();
if (op == null) {
return evaluate(l);
} else {
Double lval = new Double(((Number) evaluate(l)).doubleValue());
Double rval = new Double(((Number) evaluate(r)).doubleValue());
double result = op.eval(lval.doubleValue(), rval.doubleValue());
if (debug) {
System.out.println("Performed Operation: " + lval + op + rval + " = " + result);
}
return new Double(result);
}
}
/** 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();
}
}
/** Executes breakpoint hit event. */
public void exec(com.sun.jdi.event.Event ev) {
// S ystem.out.println ("exec "); // NOI18N
removeStepRequest();
StepEvent event = (StepEvent) ev;
ThreadReference tr = event.thread();
Location loc = event.location();
int ln = -1;
String methodName = "?"; // NOI18N
String className = "?"; // NOI18N
String lineNumber = "?"; // NOI18N
String threadName = tr.name();
Line l = null;
if (loc != null) {
if (loc.method() != null) methodName = loc.method().name();
className = loc.declaringType().name();
ln = loc.lineNumber();
if (ln >= 0) lineNumber = "" + loc.lineNumber();
}
if (ln != -1)
try {
l = Utils.getLineForSource(className, loc.sourceName(), ln);
} catch (AbsentInformationException e) {
l = Utils.getLine(className, ln);
}
if (resolveCanBeCurrent(tr, l))
// if this line can not be current resolveCanBeCurrent () calls stepOver
return;
// line can be current
if ((l == null) && (getLastAction() == ACTION_TRACE_INTO))
// try to find another "intelligent" line of code
traceToSourceCode(tr);
// you know - intelligent means that one with source code
else {
makeCurrent(threadName, className, methodName, lineNumber, l != null, tr);
operator.stopRequest();
}
}
/** 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;
}
/**
* Starts the debugger. The method stops the current debugging (if any) and takes information from
* the provided info (containing the class to start and arguments to pass it and name of class to
* stop debugging in) and starts new debugging session.
*
* @param info debugger info about class to start
* @exception DebuggerException if an error occures during the start of the debugger
*/
public void startDebugger(DebuggerInfo info) throws DebuggerException {
debuggerInfo = info;
if (virtualMachine != null) finishDebugger();
stopOnMain = info.getStopClassName() != null;
mainClassName =
info
.getClassName(); // S ystem.out.println ("JPDADebugger stop on " + info.getStopClassName
// ()); // NOI18N
// open output window ...
super.startDebugger(info);
// stop on main
if (stopOnMain) {
try {
String stopClassName = debuggerInfo.getStopClassName();
AbstractDebugger d = (AbstractDebugger) TopManager.getDefault().getDebugger();
breakpointMain = new CoreBreakpoint[stopMethodNames.length];
for (int x = 0; x < breakpointMain.length; x++) {
breakpointMain[x] = (CoreBreakpoint) d.createBreakpoint(true);
breakpointMain[x].setClassName(""); // NOI18N
breakpointMain[x].setMethodName(stopMethodNames[x]); // NOI18N
CoreBreakpoint.Action[] a = breakpointMain[x].getActions();
int i, ii = a.length;
for (i = 0; i < ii; i++)
if (a[i] instanceof PrintAction) {
((PrintAction) a[i]).setPrintText(bundle.getString("CTL_Stop_On_Main_print_text"));
}
breakpointMain[x].setClassName(stopClassName);
}
addPropertyChangeListener(
new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent ev) {
if (ev.getPropertyName().equals(PROP_STATE)) {
if ((((Integer) ev.getNewValue()).intValue() == DEBUGGER_STOPPED)
|| (((Integer) ev.getNewValue()).intValue() == DEBUGGER_NOT_RUNNING)) {
if (breakpointMain != null) {
for (int x = 0; x < breakpointMain.length; x++) breakpointMain[x].remove();
breakpointMain = null;
}
removePropertyChangeListener(this);
}
}
}
});
} catch (DebuggerException e) {
e.printStackTrace();
}
}
// start & init remote debugger ............................................
boolean launch = false;
if (info instanceof ReconnectDebuggerInfo) {
virtualMachine = reconnect((ReconnectDebuggerInfo) info);
} else if (info instanceof RemoteDebuggerInfo) {
virtualMachine = connect((RemoteDebuggerInfo) info);
} else {
virtualMachine = launch(info);
process = virtualMachine.process();
showOutput(process, STD_OUT, STD_OUT);
connectInput(process);
launch = true;
}
requestManager = virtualMachine.eventRequestManager();
operator =
new Operator(
virtualMachine,
launch
? new Runnable() {
public void run() {
startDebugger();
}
}
: null,
new Runnable() {
public void run() {
try {
finishDebugger();
} catch (DebuggerException e) {
}
}
});
operator.start();
if (!launch) startDebugger();
}
public void close() {
m_child.close();
super.close();
}
public void open() throws DbException, NoSuchElementException, TransactionAbortedException {
m_child.open();
super.open();
}
public void close() {
// some code goes here
// DONE
super.close();
_child.close();
}
public void open() throws DbException, NoSuchElementException, TransactionAbortedException {
// some code goes here
// DONE
_child.open();
super.open();
}