Beispiel #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();
    }
  }
Beispiel #2
0
 public static boolean filterEquals(ClassFilter[] filters1, ClassFilter[] filters2) {
   if (filters1.length != filters2.length) {
     return false;
   }
   final Set<ClassFilter> f1 =
       new HashSet<ClassFilter>(Math.max((int) (filters1.length / .75f) + 1, 16));
   final Set<ClassFilter> f2 =
       new HashSet<ClassFilter>(Math.max((int) (filters2.length / .75f) + 1, 16));
   Collections.addAll(f1, filters1);
   Collections.addAll(f2, filters2);
   return f2.equals(f1);
 }
Beispiel #3
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;
  }
Beispiel #4
0
 @Override
 public Map<IWatchable, IValue> getWatchableValues() {
   try {
     StackFrame stackFrame = getStackFrame();
     Map<IWatchable, IValue> result = new HashMap<IWatchable, IValue>();
     if (stackFrame != null) {
       Map<LocalVariable, Value> map = stackFrame.getValues(stackFrame.visibleVariables());
       for (LocalVariable variable : map.keySet()) {
         result.put(
             new JavaLocalVariable(variable, this, myClassFqName, stackFrame.thread()),
             JavaValue.fromJDIValue(map.get(variable), myClassFqName, stackFrame.thread()));
       }
       ObjectReference thisObject = stackFrame.thisObject();
       if (thisObject != null) {
         JavaThisObject object =
             new JavaThisObject(thisObject, this, myClassFqName, stackFrame.thread());
         result.put(object, object.getValue());
       }
     }
     return result;
   } catch (AbsentInformationException ex) {
     // doing nothing
     return Collections.emptyMap();
   }
 }
Beispiel #5
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;
  }
Beispiel #6
0
 private static ArrayReference createURLArray(EvaluationContext context)
     throws EvaluateException, InvocationException, InvalidTypeException, ClassNotLoadedException,
         IncompatibleThreadStateException {
   DebugProcess process = context.getDebugProcess();
   ArrayType arrayType =
       (ArrayType) process.findClass(context, "java.net.URL[]", context.getClassLoader());
   ArrayReference arrayRef = arrayType.newInstance(1);
   keep(arrayRef, context);
   ClassType classType =
       (ClassType) process.findClass(context, "java.net.URL", context.getClassLoader());
   VirtualMachineProxyImpl proxy = (VirtualMachineProxyImpl) process.getVirtualMachineProxy();
   StringReference url = proxy.mirrorOf("file:a");
   keep(url, context);
   ObjectReference reference =
       process.newInstance(
           context,
           classType,
           classType.concreteMethodByName("<init>", "(Ljava/lang/String;)V"),
           Collections.singletonList(url));
   keep(reference, context);
   arrayRef.setValues(Collections.singletonList(reference));
   return arrayRef;
 }
Beispiel #7
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;
  }
 List unmodifiableRequestList(int eventCmd) {
   return Collections.unmodifiableList(requestList(eventCmd));
 }
  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());
  }