@Override
 public void doFix(Project project, ProblemDescriptor descriptor)
     throws IncorrectOperationException {
   final PsiIdentifier name = (PsiIdentifier) descriptor.getPsiElement();
   final PsiReferenceExpression expression = (PsiReferenceExpression) name.getParent();
   if (expression == null) {
     return;
   }
   final PsiMethodCallExpression call = (PsiMethodCallExpression) expression.getParent();
   final String methodName = expression.getReferenceName();
   if (call == null) {
     return;
   }
   final PsiMethod method = call.resolveMethod();
   if (method == null) {
     return;
   }
   final PsiClass containingClass = method.getContainingClass();
   final PsiExpressionList argumentList = call.getArgumentList();
   if (containingClass == null) {
     return;
   }
   final String containingClassName = containingClass.getQualifiedName();
   final String argText = argumentList.getText();
   PsiReplacementUtil.replaceExpressionAndShorten(
       call, containingClassName + '.' + methodName + argText);
 }
 @Override
 public void visitMethodCallExpression(@NotNull PsiMethodCallExpression expression) {
   super.visitMethodCallExpression(expression);
   final PsiReferenceExpression methodExpression = expression.getMethodExpression();
   final String methodName = methodExpression.getReferenceName();
   @NonNls final String signal = "signal";
   if (!signal.equals(methodName)) {
     return;
   }
   final PsiExpressionList argumentList = expression.getArgumentList();
   if (argumentList.getExpressions().length != 0) {
     return;
   }
   final PsiMethod method = expression.resolveMethod();
   if (method == null) {
     return;
   }
   final PsiClass containingClass = method.getContainingClass();
   if (containingClass == null) {
     return;
   }
   if (!ClassUtils.isSubclass(containingClass, "java.util.concurrent.locks.Condition")) {
     return;
   }
   registerMethodCallError(expression);
 }
 @Override
 public void visitMethodCallExpression(@NotNull PsiMethodCallExpression call) {
   super.visitMethodCallExpression(call);
   final PsiReferenceExpression methodExpression = call.getMethodExpression();
   final PsiElement qualifier = methodExpression.getQualifier();
   if (!(qualifier instanceof PsiReferenceExpression)) {
     return;
   }
   final PsiMethod method = call.resolveMethod();
   if (method == null) {
     return;
   }
   if (!method.hasModifierProperty(PsiModifier.STATIC)) {
     return;
   }
   final PsiElement referent = ((PsiReference) qualifier).resolve();
   if (!(referent instanceof PsiClass)) {
     return;
   }
   final PsiClass referencedClass = (PsiClass) referent;
   final PsiClass declaringClass = method.getContainingClass();
   if (declaringClass == null) {
     return;
   }
   if (declaringClass.equals(referencedClass)) {
     return;
   }
   final PsiClass containingClass = ClassUtils.getContainingClass(call);
   if (!ClassUtils.isClassVisibleFromClass(containingClass, declaringClass)) {
     return;
   }
   registerMethodCallError(call, declaringClass, referencedClass);
 }
 static boolean isComplexArrayExpression(PsiExpression expression) {
   expression = ParenthesesUtils.stripParentheses(expression);
   if (expression == null) {
     return false;
   }
   if (expression instanceof PsiNewExpression) {
     final PsiNewExpression newExpression = (PsiNewExpression) expression;
     final PsiArrayInitializerExpression arrayInitializer = newExpression.getArrayInitializer();
     return isComplexArrayExpression(arrayInitializer);
   } else if (expression instanceof PsiArrayInitializerExpression) {
     final PsiArrayInitializerExpression arrayInitializerExpression =
         (PsiArrayInitializerExpression) expression;
     for (PsiExpression initializer : arrayInitializerExpression.getInitializers()) {
       if (isComplexArrayExpression(initializer)) {
         return true;
       }
     }
     return false;
   } else if (expression instanceof PsiReferenceExpression) {
     return expression.getType() instanceof PsiArrayType;
   } else if (expression instanceof PsiArrayAccessExpression) {
     return true;
   } else if (expression instanceof PsiTypeCastExpression) {
     final PsiTypeCastExpression typeCastExpression = (PsiTypeCastExpression) expression;
     return isComplexArrayExpression(typeCastExpression.getOperand());
   } else if (expression instanceof PsiConditionalExpression) {
     final PsiConditionalExpression conditionalExpression =
         (PsiConditionalExpression) expression;
     return isComplexArrayExpression(conditionalExpression.getThenExpression())
         || isComplexArrayExpression(conditionalExpression.getElseExpression());
   } else if (expression instanceof PsiMethodCallExpression) {
     final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) expression;
     final PsiMethod method = methodCallExpression.resolveMethod();
     if (method == null) {
       return true;
     }
     if (CloneUtils.isClone(method)) {
       return false;
     }
     @NonNls final String name = method.getName();
     if ("copyOf".equals(name) || "copyOfRange".equals(name)) {
       final PsiClass aClass = method.getContainingClass();
       if (aClass != null
           && CommonClassNames.JAVA_UTIL_ARRAYS.equals(aClass.getQualifiedName())) {
         return false;
       }
     } else if ("toArray".equals(name)
         && InheritanceUtil.isInheritor(method.getContainingClass(), "java.util.Collection")) {
       return false;
     }
     return true;
   }
   return true;
 }
 @Override
 public void visitMethodCallExpression(final PsiMethodCallExpression expression) {
   if (myCollectExpressions) {
     final PsiMethod psiMethod = expression.resolveMethod();
     if (psiMethod != null
         && !DebuggerUtils.hasSideEffectsOrReferencesMissingVars(expression, myVisibleLocals)) {
       myExpressions.add(new TextWithImportsImpl(expression));
     }
   }
   super.visitMethodCallExpression(expression);
 }
Esempio n. 6
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  private List<MethodContract> handleCallDelegation(
      PsiMethodCallExpression expression, final boolean negated) {
    final PsiMethod targetMethod = expression.resolveMethod();
    if (targetMethod == null) return Collections.emptyList();

    final PsiExpression[] arguments = expression.getArgumentList().getExpressions();
    return RecursionManager.doPreventingRecursion(
        myMethod,
        true,
        new Computable<List<MethodContract>>() {
          @Override
          public List<MethodContract> compute() {
            List<MethodContract> delegateContracts =
                ControlFlowAnalyzer.getMethodContracts(targetMethod);
            return ContainerUtil.mapNotNull(
                delegateContracts,
                new NullableFunction<MethodContract, MethodContract>() {
                  @Nullable
                  @Override
                  public MethodContract fun(MethodContract delegateContract) {
                    ValueConstraint[] answer =
                        MethodContract.createConstraintArray(
                            myMethod.getParameterList().getParametersCount());
                    for (int i = 0; i < delegateContract.arguments.length; i++) {
                      if (i >= arguments.length) return null;

                      ValueConstraint argConstraint = delegateContract.arguments[i];
                      if (argConstraint != ANY_VALUE) {
                        int paramIndex = resolveParameter(arguments[i]);
                        if (paramIndex < 0) {
                          if (argConstraint != getLiteralConstraint(arguments[i])) {
                            return null;
                          }
                        } else {
                          answer = withConstraint(answer, paramIndex, argConstraint);
                        }
                      }
                    }
                    return answer == null
                        ? null
                        : new MethodContract(
                            answer,
                            negated
                                ? negateConstraint(delegateContract.returnValue)
                                : delegateContract.returnValue);
                  }
                });
          }
        });
  }
Esempio n. 7
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  private static boolean isJavaUtilMethodCall(PsiMethodCallExpression expr) {
    PsiMethod method = expr.resolveMethod();
    if (method == null) return false;

    return isJavaUtilMethod(method)
        || !MethodDeepestSuperSearcher.processDeepestSuperMethods(
            method,
            new Processor<PsiMethod>() {
              @Override
              public boolean process(PsiMethod method) {
                return !isJavaUtilMethod(method);
              }
            });
  }
 @Override
 public void visitMethodCallExpression(PsiMethodCallExpression expression) {
   super.visitMethodCallExpression(expression);
   final PsiReferenceExpression methodExpression = expression.getMethodExpression();
   final String methodName = methodExpression.getReferenceName();
   if (!"cast".equals(methodName)) {
     return;
   }
   final PsiMethod method = expression.resolveMethod();
   if (method == null) {
     return;
   }
   final PsiClass containingClass = method.getContainingClass();
   if (containingClass == null) {
     return;
   }
   final String qualifiedName = containingClass.getQualifiedName();
   if (!"java.lang.Class".equals(qualifiedName)) {
     return;
   }
   final PsiExpression qualifier = methodExpression.getQualifierExpression();
   if (!(qualifier instanceof PsiClassObjectAccessExpression)) {
     return;
   }
   final PsiClassObjectAccessExpression classObjectAccessExpression =
       (PsiClassObjectAccessExpression) qualifier;
   final PsiTypeElement operand = classObjectAccessExpression.getOperand();
   final PsiType castType = operand.getType();
   if (!(castType instanceof PsiClassType)) {
     return;
   }
   final PsiExpressionList argumentList = expression.getArgumentList();
   final PsiExpression[] arguments = argumentList.getExpressions();
   if (arguments.length != 1) {
     return;
   }
   final PsiExpression argument = arguments[0];
   if (!(argument instanceof PsiReferenceExpression)) {
     return;
   }
   final PsiReferenceExpression referenceExpression = (PsiReferenceExpression) argument;
   final PsiInstanceOfExpression conflictingInstanceof =
       InstanceOfUtils.getConflictingInstanceof(castType, referenceExpression, expression);
   if (conflictingInstanceof == null) {
     return;
   }
   final PsiTypeElement instanceofTypeElement = conflictingInstanceof.getCheckType();
   registerError(expression, referenceExpression, operand, instanceofTypeElement);
 }
  /**
   * Allows to check if static import may be performed for the given element.
   *
   * @param element element to check
   * @return target class that may be statically imported if any; <code>null</code> otherwise
   */
  @Nullable
  public static PsiClass getClassToPerformStaticImport(@NotNull PsiElement element) {
    if (!PsiUtil.isLanguageLevel5OrHigher(element)) return null;
    if (!(element instanceof PsiIdentifier)
        || !(element.getParent() instanceof PsiJavaCodeReferenceElement)) {
      return null;
    }
    PsiJavaCodeReferenceElement refExpr = (PsiJavaCodeReferenceElement) element.getParent();
    if (refExpr instanceof PsiMethodReferenceExpression) return null;
    final PsiElement gParent = refExpr.getParent();
    if (gParent instanceof PsiMethodReferenceExpression) return null;
    if (!(gParent instanceof PsiJavaCodeReferenceElement)
        || isParameterizedReference((PsiJavaCodeReferenceElement) gParent)) return null;

    PsiElement resolved = refExpr.resolve();
    if (!(resolved instanceof PsiClass)) {
      return null;
    }
    PsiClass psiClass = (PsiClass) resolved;
    if (PsiUtil.isFromDefaultPackage(psiClass)
        || psiClass.hasModifierProperty(PsiModifier.PRIVATE)
        || psiClass.getQualifiedName() == null) return null;

    final PsiElement ggParent = gParent.getParent();
    if (ggParent instanceof PsiMethodCallExpression) {
      final PsiMethodCallExpression call = (PsiMethodCallExpression) ggParent.copy();
      final PsiElement qualifier = call.getMethodExpression().getQualifier();
      if (qualifier == null) return null;
      qualifier.delete();
      final PsiMethod method = call.resolveMethod();
      if (method != null && method.getContainingClass() != psiClass) return null;
    } else {
      final PsiJavaCodeReferenceElement copy = (PsiJavaCodeReferenceElement) gParent.copy();
      final PsiElement qualifier = copy.getQualifier();
      if (qualifier == null) return null;
      qualifier.delete();
      final PsiElement target = copy.resolve();
      if (target != null && PsiTreeUtil.getParentOfType(target, PsiClass.class) != psiClass)
        return null;
    }

    PsiFile file = refExpr.getContainingFile();
    if (!(file instanceof PsiJavaFile)) return null;
    PsiImportList importList = ((PsiJavaFile) file).getImportList();
    if (importList == null) return null;

    return psiClass;
  }
 private static boolean expressionIsArrayToCollectionCopy(
     PsiExpression expression, PsiVariable variable, boolean shouldBeOffsetArrayAccess) {
   expression = ParenthesesUtils.stripParentheses(expression);
   if (expression == null) {
     return false;
   }
   if (!(expression instanceof PsiMethodCallExpression)) {
     return false;
   }
   final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) expression;
   final PsiExpressionList argumentList = methodCallExpression.getArgumentList();
   final PsiExpression[] arguments = argumentList.getExpressions();
   if (arguments.length != 1) {
     return false;
   }
   final PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression();
   final PsiExpression qualifier = methodExpression.getQualifierExpression();
   if (!(qualifier instanceof PsiReferenceExpression)
       && !(qualifier instanceof PsiThisExpression)
       && !(qualifier instanceof PsiSuperExpression)) {
     return false;
   }
   final PsiExpression argument = arguments[0];
   final PsiType argumentType = argument.getType();
   if (argumentType instanceof PsiPrimitiveType) {
     return false;
   }
   if (SideEffectChecker.mayHaveSideEffects(argument)) {
     return false;
   }
   if (shouldBeOffsetArrayAccess) {
     if (!ExpressionUtils.isOffsetArrayAccess(argument, variable)) {
       return false;
     }
   } else if (!VariableAccessUtils.evaluatesToVariable(argument, variable)) {
     return false;
   }
   final PsiMethod method = methodCallExpression.resolveMethod();
   if (method == null) {
     return false;
   }
   @NonNls final String name = method.getName();
   if (!name.equals("add")) {
     return false;
   }
   final PsiClass containingClass = method.getContainingClass();
   return InheritanceUtil.isInheritor(containingClass, CommonClassNames.JAVA_UTIL_COLLECTION);
 }
 private static boolean callTakesXPathExpression(PsiMethodCallExpression expression) {
   final PsiReferenceExpression methodExpression = expression.getMethodExpression();
   final String name = methodExpression.getReferenceName();
   if (!xpathMethodNames.contains(name)) {
     return false;
   }
   final PsiMethod method = expression.resolveMethod();
   if (method == null) {
     return false;
   }
   final PsiClass containingClass = method.getContainingClass();
   if (containingClass == null) {
     return false;
   }
   final String className = containingClass.getQualifiedName();
   return "javax.xml.xpath.XPath".equals(className);
 }
 @Override
 public void visitExpressionStatement(@NotNull PsiExpressionStatement statement) {
   super.visitExpressionStatement(statement);
   final PsiExpression expression = statement.getExpression();
   if (!(expression instanceof PsiMethodCallExpression)) {
     return;
   }
   final PsiMethodCallExpression call = (PsiMethodCallExpression) expression;
   final PsiMethod method = call.resolveMethod();
   if (method == null || method.isConstructor()) {
     return;
   }
   final PsiType returnType = method.getReturnType();
   if (PsiType.VOID.equals(returnType)) {
     return;
   }
   final PsiClass aClass = method.getContainingClass();
   if (aClass == null) {
     return;
   }
   if (PsiUtilCore.hasErrorElementChild(statement)) {
     return;
   }
   if (m_reportAllNonLibraryCalls && !LibraryUtil.classIsInLibrary(aClass)) {
     registerMethodCallError(call, aClass);
     return;
   }
   final PsiReferenceExpression methodExpression = call.getMethodExpression();
   final String methodName = methodExpression.getReferenceName();
   if (methodName == null) {
     return;
   }
   for (int i = 0; i < methodNamePatterns.size(); i++) {
     final String methodNamePattern = methodNamePatterns.get(i);
     if (!methodNamesMatch(methodName, methodNamePattern)) {
       continue;
     }
     final String className = classNames.get(i);
     if (!InheritanceUtil.isInheritor(aClass, className)) {
       continue;
     }
     registerMethodCallError(call, aClass);
     return;
   }
 }
  private static boolean canCallMethodsInConstructors(PsiClass aClass, boolean virtual) {
    for (PsiMethod constructor : aClass.getConstructors()) {
      if (!constructor.getLanguage().isKindOf(JavaLanguage.INSTANCE)) return true;

      PsiCodeBlock body = constructor.getBody();
      if (body == null) continue;

      for (PsiMethodCallExpression call :
          SyntaxTraverser.psiTraverser().withRoot(body).filter(PsiMethodCallExpression.class)) {
        PsiReferenceExpression methodExpression = call.getMethodExpression();
        if (methodExpression instanceof PsiThisExpression
            || methodExpression instanceof PsiSuperExpression) continue;
        if (!virtual) return true;

        PsiMethod target = call.resolveMethod();
        if (target != null && PsiUtil.canBeOverriden(target)) return true;
      }
    }

    return false;
  }
 @Override
 public void visitMethodCallExpression(@NotNull PsiMethodCallExpression expression) {
   if (hasSuperCall) {
     return;
   }
   super.visitMethodCallExpression(expression);
   final PsiReferenceExpression methodExpression = expression.getMethodExpression();
   final PsiExpression qualifier = methodExpression.getQualifierExpression();
   if (qualifier == null) {
     return;
   }
   final String text = qualifier.getText();
   if (!PsiKeyword.SUPER.equals(text)) {
     return;
   }
   final PsiMethod method = expression.resolveMethod();
   if (method == null) {
     return;
   }
   if (method.equals(methodToSearchFor)) {
     hasSuperCall = true;
   }
 }
 private static boolean isCallToRegexMethod(PsiMethodCallExpression expression) {
   final PsiReferenceExpression methodExpression = expression.getMethodExpression();
   final String name = methodExpression.getReferenceName();
   if (!regexMethodNames.contains(name)) {
     return false;
   }
   final PsiExpressionList argumentList = expression.getArgumentList();
   final PsiExpression[] arguments = argumentList.getExpressions();
   for (PsiExpression argument : arguments) {
     if (!PsiUtil.isConstantExpression(argument)) {
       return false;
     }
   }
   final PsiMethod method = expression.resolveMethod();
   if (method == null) {
     return false;
   }
   final PsiClass containingClass = method.getContainingClass();
   if (containingClass == null) {
     return false;
   }
   final String className = containingClass.getQualifiedName();
   return "java.lang.String".equals(className);
 }
Esempio n. 16
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 public static boolean callOnLibraryMethod(@NotNull PsiMethodCallExpression expression) {
   final PsiMethod method = expression.resolveMethod();
   return method instanceof PsiCompiledElement;
 }
  private static void findParameterUsages(
      final PsiParameter parameter, final List<UsageInfo> usages) {
    final PsiMethod method = (PsiMethod) parameter.getDeclarationScope();
    final int parameterIndex = method.getParameterList().getParameterIndex(parameter);
    // search for refs to current method only, do not search for refs to overriding methods, they'll
    // be searched separately
    ReferencesSearch.search(method)
        .forEach(
            reference -> {
              PsiElement element = reference.getElement();
              if (element != null) {
                final JavaSafeDeleteDelegate safeDeleteDelegate =
                    JavaSafeDeleteDelegate.EP.forLanguage(element.getLanguage());
                if (safeDeleteDelegate != null) {
                  safeDeleteDelegate.createUsageInfoForParameter(
                      reference, usages, parameter, method);
                }
                if (!parameter.isVarArgs()
                    && !RefactoringChangeUtil.isSuperMethodCall(element.getParent())) {
                  final PsiParameter paramInCaller =
                      SafeDeleteJavaCallerChooser.isTheOnlyOneParameterUsage(
                          element.getParent(), parameterIndex, method);
                  if (paramInCaller != null) {
                    final PsiMethod callerMethod = (PsiMethod) paramInCaller.getDeclarationScope();
                    if (ApplicationManager.getApplication().isUnitTestMode()) {
                      usages.add(
                          new SafeDeleteParameterCallHierarchyUsageInfo(
                              callerMethod, paramInCaller, callerMethod));
                    } else {
                      usages.add(
                          new SafeDeleteParameterCallHierarchyUsageInfo(
                              method, parameter, callerMethod));
                    }
                  }
                }
              }
              return true;
            });

    ReferencesSearch.search(parameter)
        .forEach(
            reference -> {
              PsiElement element = reference.getElement();
              final PsiDocTag docTag = PsiTreeUtil.getParentOfType(element, PsiDocTag.class);
              if (docTag != null) {
                usages.add(new SafeDeleteReferenceJavaDeleteUsageInfo(docTag, parameter, true));
                return true;
              }

              boolean isSafeDelete = false;
              if (element.getParent().getParent() instanceof PsiMethodCallExpression) {
                PsiMethodCallExpression call =
                    (PsiMethodCallExpression) element.getParent().getParent();
                PsiReferenceExpression methodExpression = call.getMethodExpression();
                if (methodExpression.getText().equals(PsiKeyword.SUPER)) {
                  isSafeDelete = true;
                } else if (methodExpression.getQualifierExpression()
                    instanceof PsiSuperExpression) {
                  final PsiMethod superMethod = call.resolveMethod();
                  if (superMethod != null
                      && MethodSignatureUtil.isSuperMethod(superMethod, method)) {
                    isSafeDelete = true;
                  }
                }
              }

              usages.add(
                  new SafeDeleteReferenceJavaDeleteUsageInfo(element, parameter, isSafeDelete));
              return true;
            });

    findFunctionalExpressions(usages, method);
  }
 @Override
 public void visitClassObjectAccessExpression(PsiClassObjectAccessExpression expression) {
   super.visitClassObjectAccessExpression(expression);
   PsiElement parent = expression.getParent();
   if (parent instanceof PsiReferenceExpression) {
     final PsiReferenceExpression referenceExpression = (PsiReferenceExpression) parent;
     if (!expression.equals(referenceExpression.getQualifierExpression())) {
       return;
     }
     @NonNls final String name = referenceExpression.getReferenceName();
     if (!"getName".equals(name)) {
       return;
     }
     final PsiElement grandParent = referenceExpression.getParent();
     if (!(grandParent instanceof PsiMethodCallExpression)) {
       return;
     }
     final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) grandParent;
     final PsiExpressionList list = methodCallExpression.getArgumentList();
     if (list.getExpressions().length != 0) {
       return;
     }
     parent = methodCallExpression.getParent();
   }
   if (!(parent instanceof PsiExpressionList)) {
     return;
   }
   final PsiElement grandParent = parent.getParent();
   if (!(grandParent instanceof PsiMethodCallExpression)) {
     return;
   }
   final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) grandParent;
   final PsiExpressionList argumentList = methodCallExpression.getArgumentList();
   final PsiExpression[] expressions = argumentList.getExpressions();
   if (expressions.length != 1) {
     return;
   }
   final PsiClass containingClass = PsiTreeUtil.getParentOfType(expression, PsiClass.class);
   if (containingClass == null) {
     return;
   }
   final String containingClassName = containingClass.getName();
   if (containingClassName == null) {
     return;
   }
   final PsiMethod method = methodCallExpression.resolveMethod();
   if (method == null) {
     return;
   }
   final PsiClass aClass = method.getContainingClass();
   if (aClass == null) {
     return;
   }
   final String className = aClass.getQualifiedName();
   final int index = loggerFactoryClassNames.indexOf(className);
   if (index < 0) {
     return;
   }
   final PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression();
   final String referenceName = methodExpression.getReferenceName();
   final String loggerFactoryMethodName = loggerFactoryMethodNames.get(index);
   if (!loggerFactoryMethodName.equals(referenceName)) {
     return;
   }
   final PsiTypeElement operand = expression.getOperand();
   final PsiType type = operand.getType();
   if (!(type instanceof PsiClassType)) {
     return;
   }
   final PsiClassType classType = (PsiClassType) type;
   final PsiClass initializerClass = classType.resolve();
   if (initializerClass == null) {
     return;
   }
   if (containingClass.equals(initializerClass)) {
     return;
   }
   registerError(expression, containingClassName);
 }
 @Override
 public void visitReferenceExpression(PsiReferenceExpression expression) {
   if (myWritten && myRead) {
     return;
   }
   super.visitReferenceExpression(expression);
   final PsiElement target = expression.resolve();
   if (target != myVariable) {
     return;
   }
   if (PsiUtil.isAccessedForWriting(expression)) {
     final PsiElement parent =
         PsiTreeUtil.skipParentsOfType(expression, PsiParenthesizedExpression.class);
     if (parent instanceof PsiAssignmentExpression) {
       final PsiAssignmentExpression assignmentExpression = (PsiAssignmentExpression) parent;
       final PsiExpression rhs = assignmentExpression.getRExpression();
       if (isComplexArrayExpression(rhs)) {
         myWritten = true;
         myRead = true;
       } else if (!isSimpleArrayExpression(rhs)) {
         myWritten = true;
       }
     }
     return;
   }
   myIsReferenced = true;
   PsiElement parent = getParent(expression);
   if (parent instanceof PsiArrayAccessExpression) {
     PsiArrayAccessExpression arrayAccessExpression = (PsiArrayAccessExpression) parent;
     parent = getParent(parent);
     while (parent instanceof PsiArrayAccessExpression) {
       arrayAccessExpression = (PsiArrayAccessExpression) parent;
       parent = getParent(parent);
     }
     final PsiType type = arrayAccessExpression.getType();
     if (type != null) {
       final int dimensions = type.getArrayDimensions();
       if (dimensions > 0 && dimensions != myVariable.getType().getArrayDimensions()) {
         myWritten = true;
       }
     }
     if (PsiUtil.isAccessedForWriting(arrayAccessExpression)) {
       myWritten = true;
     }
     if (PsiUtil.isAccessedForReading(arrayAccessExpression)) {
       myRead = true;
     }
   } else if (parent instanceof PsiReferenceExpression) {
     final PsiReferenceExpression referenceExpression = (PsiReferenceExpression) parent;
     final String name = referenceExpression.getReferenceName();
     if ("length".equals(name)
         || ("clone".equals(name)
             && referenceExpression.getParent() instanceof PsiMethodCallExpression)) {
       myRead = true;
     }
   } else if (parent instanceof PsiForeachStatement) {
     final PsiForeachStatement foreachStatement = (PsiForeachStatement) parent;
     final PsiExpression iteratedValue = foreachStatement.getIteratedValue();
     if (PsiTreeUtil.isAncestor(iteratedValue, expression, false)) {
       myRead = true;
     }
   } else if (parent instanceof PsiExpressionList) {
     final PsiExpressionList expressionList = (PsiExpressionList) parent;
     parent = parent.getParent();
     if (parent instanceof PsiMethodCallExpression) {
       final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) parent;
       final PsiMethod method = methodCallExpression.resolveMethod();
       if (method != null) {
         final PsiClass aClass = method.getContainingClass();
         if (aClass != null) {
           final String methodName = method.getName();
           final String qualifiedName = aClass.getQualifiedName();
           if ("java.lang.System".equals(qualifiedName)) {
             if ("arraycopy".equals(methodName)) {
               final PsiExpression[] expressions = expressionList.getExpressions();
               if (expressions.length == 5) {
                 if (PsiTreeUtil.isAncestor(expressions[0], expression, false)) {
                   myRead = true;
                   return;
                 } else if (PsiTreeUtil.isAncestor(expressions[2], expression, false)) {
                   myWritten = true;
                   return;
                 }
               }
             }
           } else if (CommonClassNames.JAVA_UTIL_ARRAYS.equals(qualifiedName)) {
             if ("fill".equals(methodName)
                 || "parallelPrefix".equals(methodName)
                 || "parallelSetAll".equals(methodName)
                 || "parallelSort".equals(methodName)
                 || "setAll".equals(methodName)
                 || "sort".equals(methodName)) {
               myWritten = true;
             } else {
               myRead = true;
             }
             return;
           }
         }
       }
     }
     myRead = true;
     myWritten = true;
   } else {
     myWritten = true;
     myRead = true;
   }
 }