@Override
 public void onInitialize(RefElement refElement) {
   ((RefElementImpl) refElement).setFlag(true, CAN_BE_FINAL_MASK);
   if (refElement instanceof RefClass) {
     final RefClass refClass = (RefClass) refElement;
     final PsiClass psiClass = refClass.getElement();
     if (refClass.isEntry()) {
       ((RefClassImpl) refClass).setFlag(false, CAN_BE_FINAL_MASK);
       return;
     }
     if (refClass.isAbstract() || refClass.isAnonymous() || refClass.isInterface()) {
       ((RefClassImpl) refClass).setFlag(false, CAN_BE_FINAL_MASK);
       return;
     }
     if (!refClass.isSelfInheritor(psiClass)) {
       for (PsiClass psiSuperClass : psiClass.getSupers()) {
         if (myManager.belongsToScope(psiSuperClass)) {
           RefClass refSuperClass = (RefClass) myManager.getReference(psiSuperClass);
           if (refSuperClass != null) {
             ((RefClassImpl) refSuperClass).setFlag(false, CAN_BE_FINAL_MASK);
           }
         }
       }
     }
   } else if (refElement instanceof RefMethod) {
     final RefMethod refMethod = (RefMethod) refElement;
     final PsiElement element = refMethod.getElement();
     if (element instanceof PsiMethod) {
       PsiMethod psiMethod = (PsiMethod) element;
       if (refMethod.isConstructor()
           || refMethod.isAbstract()
           || refMethod.isStatic()
           || PsiModifier.PRIVATE.equals(refMethod.getAccessModifier())
           || refMethod.getOwnerClass().isAnonymous()
           || refMethod.getOwnerClass().isInterface()) {
         ((RefMethodImpl) refMethod).setFlag(false, CAN_BE_FINAL_MASK);
       }
       if (PsiModifier.PRIVATE.equals(refMethod.getAccessModifier())
           && refMethod.getOwner() != null
           && !(refMethod.getOwnerClass().getOwner() instanceof RefElement)) {
         ((RefMethodImpl) refMethod).setFlag(false, CAN_BE_FINAL_MASK);
       }
       for (PsiMethod psiSuperMethod : psiMethod.findSuperMethods()) {
         if (myManager.belongsToScope(psiSuperMethod)) {
           RefMethod refSuperMethod = (RefMethod) myManager.getReference(psiSuperMethod);
           if (refSuperMethod != null) {
             ((RefMethodImpl) refSuperMethod).setFlag(false, CAN_BE_FINAL_MASK);
           }
         }
       }
     }
   }
 }
Пример #2
0
 private void initializeSuperReferences(PsiClass psiClass) {
   if (!isSelfInheritor(psiClass)) {
     for (PsiClass psiSuperClass : psiClass.getSupers()) {
       if (getRefManager().belongsToScope(psiSuperClass)) {
         RefClassImpl refClass = (RefClassImpl) getRefManager().getReference(psiSuperClass);
         if (refClass != null) {
           addBaseClass(refClass);
           refClass.addSubClass(this);
         }
       }
     }
   }
 }
  RefMethodImpl(@NotNull RefClass ownerClass, PsiMethod method, RefManager manager) {
    super(method, manager);

    ((RefClassImpl) ownerClass).add(this);

    myOwnerClass = ownerClass;
  }
  @Override
  public void addTypeReference(PsiElement psiElement, PsiType psiType, RefManager refManager) {
    RefClass ownerClass = getOwnerClass(refManager, psiElement);

    if (ownerClass != null) {
      psiType = psiType.getDeepComponentType();

      if (psiType instanceof PsiClassType) {
        PsiClass psiClass = PsiUtil.resolveClassInType(psiType);
        if (psiClass != null && refManager.belongsToScope(psiClass)) {
          RefClassImpl refClass = (RefClassImpl) refManager.getReference(psiClass);
          if (refClass != null) {
            refClass.addTypeReference(ownerClass);
          }
        }
      }
    }
  }
  // To be used only from RefImplicitConstructor.
  protected RefMethodImpl(@NotNull String name, @NotNull RefClass ownerClass) {
    super(name, ownerClass);
    myOwnerClass = ownerClass;
    ((RefClassImpl) ownerClass).add(this);

    addOutReference(getOwnerClass());
    ((RefClassImpl) getOwnerClass()).addInReference(this);

    setConstructor(true);
  }
Пример #6
0
  public void referenceRemoved() {
    super.referenceRemoved();

    for (RefClass subClass : getSubClasses()) {
      ((RefClassImpl) subClass).removeBase(this);
    }

    for (RefClass superClass : getBaseClasses()) {
      superClass.getSubClasses().remove(this);
    }
  }
Пример #7
0
  protected void initialize() {
    myDefaultConstructor = null;

    final PsiClass psiClass = getElement();

    LOG.assertTrue(psiClass != null);

    PsiElement psiParent = psiClass.getParent();
    if (psiParent instanceof PsiFile) {
      if (isSyntheticJSP()) {
        final RefFileImpl refFile =
            (RefFileImpl) getRefManager().getReference(JspPsiUtil.getJspFile(psiClass));
        LOG.assertTrue(refFile != null);
        refFile.add(this);
      } else if (psiParent instanceof PsiJavaFile) {
        PsiJavaFile psiFile = (PsiJavaFile) psiParent;
        String packageName = psiFile.getPackageName();
        if (!"".equals(packageName)) {
          ((RefPackageImpl) getRefJavaManager().getPackage(packageName)).add(this);
        } else {
          ((RefPackageImpl) getRefJavaManager().getDefaultPackage()).add(this);
        }
      }
      final Module module = ModuleUtil.findModuleForPsiElement(psiClass);
      LOG.assertTrue(module != null);
      final RefModuleImpl refModule = ((RefModuleImpl) getRefManager().getRefModule(module));
      LOG.assertTrue(refModule != null);
      refModule.add(this);
    } else {
      while (!(psiParent instanceof PsiClass
          || psiParent instanceof PsiMethod
          || psiParent instanceof PsiField)) {
        psiParent = psiParent.getParent();
      }
      RefElement refParent = getRefManager().getReference(psiParent);
      LOG.assertTrue(refParent != null);
      ((RefElementImpl) refParent).add(this);
    }

    setAbstract(psiClass.hasModifierProperty(PsiModifier.ABSTRACT));

    setAnonymous(psiClass instanceof PsiAnonymousClass);
    setIsLocal(!(isAnonymous() || psiParent instanceof PsiClass || psiParent instanceof PsiFile));
    setInterface(psiClass.isInterface());

    initializeSuperReferences(psiClass);

    PsiMethod[] psiMethods = psiClass.getMethods();
    PsiField[] psiFields = psiClass.getFields();

    setUtilityClass(psiMethods.length > 0 || psiFields.length > 0);

    for (PsiField psiField : psiFields) {
      getRefManager().getReference(psiField);
    }

    if (!isApplet()) {
      final PsiClass servlet = getRefJavaManager().getServlet();
      setServlet(servlet != null && psiClass.isInheritor(servlet, true));
    }
    if (!isApplet() && !isServlet()) {
      setTestCase(TestUtil.isTestClass(psiClass));
      for (RefClass refBase : getBaseClasses()) {
        ((RefClassImpl) refBase).setTestCase(true);
      }
    }

    for (PsiMethod psiMethod : psiMethods) {
      RefMethod refMethod = (RefMethod) getRefManager().getReference(psiMethod);

      if (refMethod != null) {
        if (psiMethod.isConstructor()) {
          if (psiMethod.getParameterList().getParametersCount() > 0
              || !psiMethod.hasModifierProperty(PsiModifier.PRIVATE)) {
            setUtilityClass(false);
          }

          addConstructor(refMethod);
          if (psiMethod.getParameterList().getParametersCount() == 0) {
            setDefaultConstructor((RefMethodImpl) refMethod);
          }
        } else {
          if (!psiMethod.hasModifierProperty(PsiModifier.STATIC)) {
            setUtilityClass(false);
          }
        }
      }
    }

    if (getConstructors().size() == 0 && !isInterface() && !isAnonymous()) {
      RefImplicitConstructorImpl refImplicitConstructor = new RefImplicitConstructorImpl(this);
      setDefaultConstructor(refImplicitConstructor);
      addConstructor(refImplicitConstructor);
    }

    if (isInterface()) {
      for (int i = 0; i < psiFields.length && isUtilityClass(); i++) {
        PsiField psiField = psiFields[i];
        if (!psiField.hasModifierProperty(PsiModifier.STATIC)) {
          setUtilityClass(false);
        }
      }
    }

    final PsiClass applet = getRefJavaManager().getApplet();
    setApplet(applet != null && psiClass.isInheritor(applet, true));
    getRefManager().fireNodeInitialized(this);
  }
  @Override
  public void onReferencesBuild(RefElement refElement) {
    if (refElement instanceof RefClass) {
      final PsiClass psiClass = (PsiClass) refElement.getElement();
      if (psiClass != null) {

        if (refElement.isEntry()) {
          ((RefClassImpl) refElement).setFlag(false, CAN_BE_FINAL_MASK);
        }

        PsiMethod[] psiMethods = psiClass.getMethods();
        PsiField[] psiFields = psiClass.getFields();

        HashSet<PsiVariable> allFields = new HashSet<PsiVariable>();
        ContainerUtil.addAll(allFields, psiFields);
        ArrayList<PsiVariable> instanceInitializerInitializedFields = new ArrayList<PsiVariable>();
        boolean hasInitializers = false;
        for (PsiClassInitializer initializer : psiClass.getInitializers()) {
          PsiCodeBlock body = initializer.getBody();
          hasInitializers = true;
          ControlFlow flow;
          try {
            flow =
                ControlFlowFactory.getInstance(body.getProject())
                    .getControlFlow(
                        body, LocalsOrMyInstanceFieldsControlFlowPolicy.getInstance(), false);
          } catch (AnalysisCanceledException e) {
            flow = ControlFlow.EMPTY;
          }
          Collection<PsiVariable> writtenVariables = new ArrayList<PsiVariable>();
          ControlFlowUtil.getWrittenVariables(flow, 0, flow.getSize(), false, writtenVariables);
          for (PsiVariable psiVariable : writtenVariables) {
            if (allFields.contains(psiVariable)) {
              if (instanceInitializerInitializedFields.contains(psiVariable)) {
                allFields.remove(psiVariable);
                instanceInitializerInitializedFields.remove(psiVariable);
              } else {
                instanceInitializerInitializedFields.add(psiVariable);
              }
            }
          }
          for (PsiVariable psiVariable : writtenVariables) {
            if (!instanceInitializerInitializedFields.contains(psiVariable)) {
              allFields.remove(psiVariable);
            }
          }
        }

        for (PsiMethod psiMethod : psiMethods) {
          if (psiMethod.isConstructor()) {
            PsiCodeBlock body = psiMethod.getBody();
            if (body != null) {
              hasInitializers = true;
              ControlFlow flow;
              try {
                flow =
                    ControlFlowFactory.getInstance(body.getProject())
                        .getControlFlow(
                            body, LocalsOrMyInstanceFieldsControlFlowPolicy.getInstance(), false);
              } catch (AnalysisCanceledException e) {
                flow = ControlFlow.EMPTY;
              }

              Collection<PsiVariable> writtenVariables =
                  ControlFlowUtil.getWrittenVariables(flow, 0, flow.getSize(), false);
              for (PsiVariable psiVariable : writtenVariables) {
                if (instanceInitializerInitializedFields.contains(psiVariable)) {
                  allFields.remove(psiVariable);
                  instanceInitializerInitializedFields.remove(psiVariable);
                }
              }
              List<PsiMethod> redirectedConstructors =
                  HighlightControlFlowUtil.getChainedConstructors(psiMethod);
              if (redirectedConstructors == null || redirectedConstructors.isEmpty()) {
                List<PsiVariable> ssaVariables = ControlFlowUtil.getSSAVariables(flow);
                ArrayList<PsiVariable> good = new ArrayList<PsiVariable>(ssaVariables);
                good.addAll(instanceInitializerInitializedFields);
                allFields.retainAll(good);
              } else {
                allFields.removeAll(writtenVariables);
              }
            }
          }
        }

        for (PsiField psiField : psiFields) {
          if ((!hasInitializers || !allFields.contains(psiField))
              && psiField.getInitializer() == null) {
            final RefFieldImpl refField = (RefFieldImpl) myManager.getReference(psiField);
            if (refField != null) {
              refField.setFlag(false, CAN_BE_FINAL_MASK);
            }
          }
        }
      }
    } else if (refElement instanceof RefMethod) {
      final RefMethod refMethod = (RefMethod) refElement;
      if (refMethod.isEntry()) {
        ((RefMethodImpl) refMethod).setFlag(false, CAN_BE_FINAL_MASK);
      }
    }
  }