private static Pair<Set<String>, Set<TextWithImports>> findReferencedVars(
Set<String> visibleVars, SourcePosition position) {
final int line = position.getLine();
if (line < 0) {
return Pair.create(Collections.<String>emptySet(), Collections.<TextWithImports>emptySet());
}
final PsiFile positionFile = position.getFile();
if (!positionFile.getLanguage().isKindOf(JavaLanguage.INSTANCE)) {
return Pair.create(visibleVars, Collections.<TextWithImports>emptySet());
}
final VirtualFile vFile = positionFile.getVirtualFile();
final Document doc =
vFile != null ? FileDocumentManager.getInstance().getDocument(vFile) : null;
if (doc == null || doc.getLineCount() == 0 || line > (doc.getLineCount() - 1)) {
return Pair.create(Collections.<String>emptySet(), Collections.<TextWithImports>emptySet());
}
final TextRange limit = calculateLimitRange(positionFile, doc, line);
int startLine = Math.max(limit.getStartOffset(), line - 1);
startLine = Math.min(startLine, limit.getEndOffset());
while (startLine > limit.getStartOffset() && shouldSkipLine(positionFile, doc, startLine)) {
startLine--;
}
final int startOffset = doc.getLineStartOffset(startLine);
int endLine = Math.min(line + 2, limit.getEndOffset());
while (endLine < limit.getEndOffset() && shouldSkipLine(positionFile, doc, endLine)) {
endLine++;
}
final int endOffset = doc.getLineEndOffset(endLine);
final TextRange lineRange = new TextRange(startOffset, endOffset);
if (!lineRange.isEmpty()) {
final int offset =
CharArrayUtil.shiftForward(doc.getCharsSequence(), doc.getLineStartOffset(line), " \t");
PsiElement element = positionFile.findElementAt(offset);
if (element != null) {
PsiMethod method = PsiTreeUtil.getNonStrictParentOfType(element, PsiMethod.class);
if (method != null) {
element = method;
} else {
PsiField field = PsiTreeUtil.getNonStrictParentOfType(element, PsiField.class);
if (field != null) {
element = field;
} else {
final PsiClassInitializer initializer =
PsiTreeUtil.getNonStrictParentOfType(element, PsiClassInitializer.class);
if (initializer != null) {
element = initializer;
}
}
}
//noinspection unchecked
if (element instanceof PsiCompiledElement) {
return Pair.create(visibleVars, Collections.<TextWithImports>emptySet());
} else {
VariablesCollector collector =
new VariablesCollector(visibleVars, adjustRange(element, lineRange));
element.accept(collector);
return Pair.create(collector.getVars(), collector.getExpressions());
}
}
}
return Pair.create(Collections.<String>emptySet(), Collections.<TextWithImports>emptySet());
}
// copied from DebuggerTree
private void buildVariablesThreadAction(
DebuggerContextImpl debuggerContext, XValueChildrenList children, XCompositeNode node) {
try {
final EvaluationContextImpl evaluationContext = debuggerContext.createEvaluationContext();
if (evaluationContext == null) {
return;
}
if (!debuggerContext.isEvaluationPossible()) {
node.setErrorMessage(MessageDescriptor.EVALUATION_NOT_POSSIBLE.getLabel());
// myChildren.add(myNodeManager.createNode(MessageDescriptor.EVALUATION_NOT_POSSIBLE,
// evaluationContext));
}
final Location location = myDescriptor.getLocation();
final ObjectReference thisObjectReference = myDescriptor.getThisObject();
if (thisObjectReference != null) {
ValueDescriptorImpl thisDescriptor =
myNodeManager.getThisDescriptor(null, thisObjectReference);
children.add(JavaValue.create(thisDescriptor, evaluationContext, myNodeManager));
} else if (location != null) {
StaticDescriptorImpl staticDecriptor =
myNodeManager.getStaticDescriptor(myDescriptor, location.declaringType());
if (staticDecriptor.isExpandable()) {
children.addTopGroup(
new JavaStaticGroup(staticDecriptor, evaluationContext, myNodeManager));
}
}
DebugProcessImpl debugProcess = debuggerContext.getDebugProcess();
if (debugProcess == null) {
return;
}
// add last method return value if any
final Pair<Method, Value> methodValuePair = debugProcess.getLastExecutedMethod();
if (methodValuePair != null) {
ValueDescriptorImpl returnValueDescriptor =
myNodeManager.getMethodReturnValueDescriptor(
myDescriptor, methodValuePair.getFirst(), methodValuePair.getSecond());
children.add(JavaValue.create(returnValueDescriptor, evaluationContext, myNodeManager));
}
// add context exceptions
for (Pair<Breakpoint, Event> pair :
DebuggerUtilsEx.getEventDescriptors(debuggerContext.getSuspendContext())) {
final Event debugEvent = pair.getSecond();
if (debugEvent instanceof ExceptionEvent) {
final ObjectReference exception = ((ExceptionEvent) debugEvent).exception();
if (exception != null) {
final ValueDescriptorImpl exceptionDescriptor =
myNodeManager.getThrownExceptionObjectDescriptor(myDescriptor, exception);
children.add(JavaValue.create(exceptionDescriptor, evaluationContext, myNodeManager));
}
}
}
try {
buildVariables(
debuggerContext,
evaluationContext,
debugProcess,
children,
thisObjectReference,
location);
// if (classRenderer.SORT_ASCENDING) {
// Collections.sort(myChildren, NodeManagerImpl.getNodeComparator());
// }
} catch (EvaluateException e) {
node.setErrorMessage(e.getMessage());
// myChildren.add(myNodeManager.createMessageNode(new MessageDescriptor(e.getMessage())));
}
} catch (InvalidStackFrameException e) {
LOG.info(e);
// myChildren.clear();
// notifyCancelled();
} catch (InternalException e) {
if (e.errorCode() == 35) {
node.setErrorMessage(DebuggerBundle.message("error.corrupt.debug.info", e.getMessage()));
// myChildren.add(
// myNodeManager.createMessageNode(new
// MessageDescriptor(DebuggerBundle.message("error.corrupt.debug.info", e.getMessage()))));
} else {
throw e;
}
}
}