Example #1
0
  @Override
  public List<IWatchable> getVisibleWatchables() {
    try {
      StackFrame stackFrame = getStackFrame();
      List<IWatchable> result = new ArrayList<IWatchable>();

      if (stackFrame != null) {
        for (LocalVariable variable : stackFrame.visibleVariables()) {
          result.add(new JavaLocalVariable(variable, this, myClassFqName, myThreadReference));
        }

        ObjectReference thisObject = stackFrame.thisObject();
        if (thisObject != null) {
          result.add(new JavaThisObject(thisObject, this, myClassFqName, myThreadReference));
        } else {
          result.add(
              new JavaStaticContext(
                  getStackFrame().location().declaringType(), myClassFqName, myThreadReference));
        }
      }

      return result;
    } catch (InvalidStackFrameException ex) {
      LOG.warning(
          "InvalidStackFrameException",
          ex); // TODO something should be done here. See, for instance, how idea deals with those
               // exceptions
      return Collections.emptyList();
    } catch (AbsentInformationException ex) {
      // doing nothing, variables are just not available for us
      return Collections.emptyList();
    }
  }
Example #2
0
  public List<ReferenceType> nestedTypes(ReferenceType refType) {
    List<ReferenceType> nestedTypes = myNestedClassesCache.get(refType);
    if (nestedTypes == null) {
      List<ReferenceType> list = Collections.emptyList();
      try {
        list = refType.nestedTypes();
      } catch (Throwable e) {
        // sometimes some strange errors are thrown from JDI. Do not crash debugger because of this.
        // Example:
        // java.lang.StringIndexOutOfBoundsException: String index out of range: 487700285
        //	at java.lang.String.checkBounds(String.java:375)
        //	at java.lang.String.<init>(String.java:415)
        //	at com.sun.tools.jdi.PacketStream.readString(PacketStream.java:392)
        //	at
        // com.sun.tools.jdi.JDWP$VirtualMachine$AllClassesWithGeneric$ClassInfo.<init>(JDWP.java:1644)
        LOG.info(e);
      }
      if (!list.isEmpty()) {
        final Set<ReferenceType> candidates = new HashSet<>();
        final ClassLoaderReference outerLoader = refType.classLoader();
        for (ReferenceType nested : list) {
          try {
            if (outerLoader == null
                ? nested.classLoader() == null
                : outerLoader.equals(nested.classLoader())) {
              candidates.add(nested);
            }
          } catch (ObjectCollectedException ignored) {
          }
        }

        if (!candidates.isEmpty()) {
          // keep only direct nested types
          final Set<ReferenceType> nested2 = new HashSet<>();
          for (final ReferenceType candidate : candidates) {
            nested2.addAll(nestedTypes(candidate));
          }
          candidates.removeAll(nested2);
        }

        nestedTypes = candidates.isEmpty() ? Collections.emptyList() : new ArrayList<>(candidates);
      } else {
        nestedTypes = Collections.emptyList();
      }
      myNestedClassesCache.put(refType, nestedTypes);
    }
    return nestedTypes;
  }
Example #3
0
  @NotNull
  public static List<Pair<Breakpoint, Event>> getEventDescriptors(
      SuspendContextImpl suspendContext) {
    DebuggerManagerThreadImpl.assertIsManagerThread();
    if (suspendContext == null) {
      return Collections.emptyList();
    }
    final EventSet events = suspendContext.getEventSet();
    if (events == null) {
      return Collections.emptyList();
    }
    final List<Pair<Breakpoint, Event>> eventDescriptors = new SmartList<Pair<Breakpoint, Event>>();

    final RequestManagerImpl requestManager = suspendContext.getDebugProcess().getRequestsManager();
    for (final Event event : events) {
      final Requestor requestor = requestManager.findRequestor(event.request());
      if (requestor instanceof Breakpoint) {
        eventDescriptors.add(Pair.create((Breakpoint) requestor, event));
      }
    }
    return eventDescriptors;
  }
Example #4
0
  public static List<PsiLambdaExpression> collectLambdas(
      @NotNull SourcePosition position, final boolean onlyOnTheLine) {
    ApplicationManager.getApplication().assertReadAccessAllowed();
    PsiFile file = position.getFile();
    final int line = position.getLine();
    final Document document = PsiDocumentManager.getInstance(file.getProject()).getDocument(file);
    if (document == null || line >= document.getLineCount()) {
      return Collections.emptyList();
    }
    PsiElement element = position.getElementAt();
    final TextRange lineRange = DocumentUtil.getLineTextRange(document, line);
    do {
      PsiElement parent = element.getParent();
      if (parent == null || (parent.getTextOffset() < lineRange.getStartOffset())) {
        break;
      }
      element = parent;
    } while (true);

    final List<PsiLambdaExpression> lambdas = new ArrayList<PsiLambdaExpression>(3);
    final PsiElementVisitor lambdaCollector =
        new JavaRecursiveElementVisitor() {
          @Override
          public void visitLambdaExpression(PsiLambdaExpression expression) {
            super.visitLambdaExpression(expression);
            if (!onlyOnTheLine || getFirstElementOnTheLine(expression, document, line) != null) {
              lambdas.add(expression);
            }
          }
        };
    element.accept(lambdaCollector);
    // add initial lambda if we're inside already
    PsiElement method = getContainingMethod(element);
    if (method instanceof PsiLambdaExpression) {
      lambdas.add((PsiLambdaExpression) method);
    }
    for (PsiElement sibling = getNextElement(element);
        sibling != null;
        sibling = getNextElement(sibling)) {
      if (!intersects(lineRange, sibling)) {
        break;
      }
      sibling.accept(lambdaCollector);
    }
    return lambdas;
  }