public static Map<String, SpockVariableDescriptor> getVariableMap(@NotNull GrMethod method) {
    GrMethod originalMethod;

    PsiFile containingFile = method.getContainingFile();
    if (containingFile != containingFile.getOriginalFile()) {
      int methodOffset = method.getTextOffset();
      PsiElement originalPlace = containingFile.getOriginalFile().findElementAt(methodOffset);
      originalMethod = PsiTreeUtil.getParentOfType(originalPlace, GrMethod.class);
      assert originalMethod != null
          : containingFile
              .getOriginalFile()
              .getText()
              .substring(
                  Math.max(0, methodOffset - 50),
                  Math.min(methodOffset + 50, containingFile.getOriginalFile().getText().length()));
    } else {
      originalMethod = method;
    }

    Map<String, SpockVariableDescriptor> cachedValue = KEY.getCachedValue(originalMethod);
    if (cachedValue == null) {
      cachedValue = createVariableMap(originalMethod);

      cachedValue = KEY.putCachedValue(originalMethod, cachedValue);
    }

    return cachedValue;
  }
  private void createNameAndReturnTypeEditors() {
    myNameCodeFragment = new GroovyCodeFragment(myProject, "");
    myNameField =
        new EditorTextField(
            PsiDocumentManager.getInstance(myProject).getDocument(myNameCodeFragment),
            myProject,
            myNameCodeFragment.getFileType());

    final JavaCodeFragmentFactory factory = JavaCodeFragmentFactory.getInstance(myProject);
    myReturnTypeCodeFragment =
        factory.createTypeCodeFragment("", myMethod, true, JavaCodeFragmentFactory.ALLOW_VOID);
    final Document document =
        PsiDocumentManager.getInstance(myProject).getDocument(myReturnTypeCodeFragment);
    myReturnTypeField =
        new EditorTextField(document, myProject, myReturnTypeCodeFragment.getFileType());

    myNameField.setText(myMethod.getName());
    final GrTypeElement element = myMethod.getReturnTypeElementGroovy();
    if (element != null) {
      myReturnTypeField.setText(element.getText());
    }

    myReturnTypeLabel = new JLabel();
    myReturnTypeLabel.setLabelFor(myReturnTypeField);

    myNameLabel = new JLabel();
    myNameLabel.setLabelFor(myNameField);
  }
  public static GrMethod generateDelegate(
      PsiMethod prototype, IntroduceParameterData.ExpressionWrapper initializer, Project project) {
    final GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(project);

    GrMethod result;
    if (prototype instanceof GrMethod) {
      result = (GrMethod) prototype.copy();
    } else {
      StringBuilder builder = new StringBuilder();
      builder.append(prototype.getModifierList().getText()).append(' ');

      if (prototype.getReturnTypeElement() != null) {
        builder.append(prototype.getReturnTypeElement().getText());
      }
      builder.append(' ').append(prototype.getName());
      builder.append(prototype.getParameterList().getText());
      builder.append("{}");
      result = factory.createMethodFromText(builder.toString());
    }

    StringBuilder call = new StringBuilder();
    call.append("def foo(){\n");
    final GrParameter[] parameters = result.getParameters();
    call.append(prototype.getName());
    if (initializer.getExpression() instanceof GrClosableBlock) {
      if (parameters.length > 0) {
        call.append('(');
        for (GrParameter parameter : parameters) {
          call.append(parameter.getName()).append(", ");
        }
        call.replace(call.length() - 2, call.length(), ")");
      }
      call.append(initializer.getText());
    } else {
      call.append('(');
      for (GrParameter parameter : parameters) {
        call.append(parameter.getName()).append(", ");
      }
      call.append(initializer.getText());
      call.append(")");
    }
    call.append("\n}");
    final GrOpenBlock block = factory.createMethodFromText(call.toString()).getBlock();

    result.getBlock().replace(block);
    final PsiElement parent = prototype.getParent();
    final GrMethod method = (GrMethod) parent.addBefore(result, prototype);
    GrReferenceAdjuster.shortenReferences(method);
    return method;
  }
  @Nullable
  public static PsiType inferReturnType(PsiElement position) {
    final GrControlFlowOwner flowOwner = ControlFlowUtils.findControlFlowOwner(position);
    if (flowOwner == null) return null;

    final PsiElement parent = flowOwner.getContext();
    if (flowOwner instanceof GrOpenBlock && parent instanceof GrMethod) {
      final GrMethod method = (GrMethod) parent;
      if (method.isConstructor()) return null;
      return method.getReturnType();
    }

    return null;
  }
  @Override
  public String generateDocumentationContentStub(PsiComment contextComment) {
    if (!(contextComment instanceof GrDocComment)) {
      return null;
    }

    final GrDocCommentOwner owner = GrDocCommentUtil.findDocOwner((GrDocComment) contextComment);
    if (owner == null) return null;

    Project project = contextComment.getProject();
    final CodeDocumentationAwareCommenter commenter =
        (CodeDocumentationAwareCommenter)
            LanguageCommenters.INSTANCE.forLanguage(owner.getLanguage());

    StringBuilder builder = StringBuilderSpinAllocator.alloc();
    try {
      if (owner instanceof GrMethod) {
        final GrMethod method = (GrMethod) owner;
        JavaDocumentationProvider.generateParametersTakingDocFromSuperMethods(
            project, builder, commenter, method);

        final PsiType returnType = method.getInferredReturnType();
        if ((returnType != null || method.getModifierList().hasModifierProperty(GrModifier.DEF))
            && !PsiType.VOID.equals(returnType)) {
          builder.append(
              CodeDocumentationUtil.createDocCommentLine(RETURN_TAG, project, commenter));
          builder.append(LINE_SEPARATOR);
        }

        final PsiClassType[] references = method.getThrowsList().getReferencedTypes();
        for (PsiClassType reference : references) {
          builder.append(
              CodeDocumentationUtil.createDocCommentLine(THROWS_TAG, project, commenter));
          builder.append(reference.getClassName());
          builder.append(LINE_SEPARATOR);
        }
      } else if (owner instanceof GrTypeDefinition) {
        final PsiTypeParameterList typeParameterList = ((PsiClass) owner).getTypeParameterList();
        if (typeParameterList != null) {
          JavaDocumentationProvider.createTypeParamsListComment(
              builder, project, commenter, typeParameterList);
        }
      }
      return builder.length() > 0 ? builder.toString() : null;
    } finally {
      StringBuilderSpinAllocator.dispose(builder);
    }
  }
  protected void init() {
    super.init();
    final PsiClass psiClass = myMethod.getContainingClass();
    if (psiClass == null) return;
    if (psiClass.isInterface()) {
      myDelegatePanel.setVisible(false);
    }

    if (myMethod.hasModifierProperty(GrModifier.PRIVATE)) {
      myPrivateRadioButton.setSelected(true);
    } else if (myMethod.hasModifierProperty(GrModifier.PROTECTED)) {
      myProtectedRadioButton.setSelected(true);
    } else if (myMethod.hasModifierProperty(GrModifier.PUBLIC)) {
      myPublicRadioButton.setSelected(true);
    }
  }
  @Override
  protected boolean preprocessUsages(Ref<UsageInfo[]> refUsages) {
    UsageInfo[] usagesIn = refUsages.get();
    MultiMap<PsiElement, String> conflicts = new MultiMap<PsiElement, String>();

    if (!mySettings.generateDelegate()) {
      GroovyIntroduceParameterUtil.detectAccessibilityConflicts(
          mySettings.getExpression(),
          usagesIn,
          conflicts,
          mySettings.replaceFieldsWithGetters()
              != IntroduceParameterRefactoring.REPLACE_FIELDS_WITH_GETTERS_NONE,
          myProject);
    }

    final GrMethod toReplaceIn = (GrMethod) mySettings.getToReplaceIn();
    if (mySettings.getExpression() != null
        && !toReplaceIn.hasModifierProperty(PsiModifier.PRIVATE)) {
      final AnySupers anySupers = new AnySupers();
      mySettings.getExpression().accept(anySupers);
      if (anySupers.containsSupers()) {
        for (UsageInfo usageInfo : usagesIn) {
          if (!(usageInfo.getElement() instanceof PsiMethod)
              && !(usageInfo instanceof InternalUsageInfo)) {
            if (!PsiTreeUtil.isAncestor(
                toReplaceIn.getContainingClass(), usageInfo.getElement(), false)) {
              conflicts.putValue(
                  mySettings.getExpression(),
                  RefactoringBundle.message(
                      "parameter.initializer.contains.0.but.not.all.calls.to.method.are.in.its.class",
                      CommonRefactoringUtil.htmlEmphasize(PsiKeyword.SUPER)));
              break;
            }
          }
        }
      }
    }

    for (IntroduceParameterMethodUsagesProcessor processor :
        IntroduceParameterMethodUsagesProcessor.EP_NAME.getExtensions()) {
      processor.findConflicts(this, refUsages.get(), conflicts);
    }

    return showConflicts(conflicts, usagesIn);
  }
  @Nullable
  public static GrConstructorInvocation getChainingConstructorInvocation(GrMethod constructor) {
    if (constructor instanceof GrReflectedMethod
        && ((GrReflectedMethod) constructor).getSkippedParameters().length > 0) return null;

    LOG.assertTrue(constructor.isConstructor());

    GrOpenBlock body = constructor.getBlock();
    if (body == null) return null;

    GrStatement[] statements = body.getStatements();

    if (statements.length > 0 && statements[0] instanceof GrConstructorInvocation) {
      return (GrConstructorInvocation) statements[0];
    }

    return null;
  }
  @Override
  public PsiElement setName(@NonNls @NotNull String name) throws IncorrectOperationException {
    PsiElement nameElement = getNameIdentifierGroovy();

    GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(nameElement.getProject());
    PsiElement newNameElement;
    if (JavaPsiFacade.getInstance(getProject()).getNameHelper().isIdentifier(name)) {
      try {
        GrMethod method = factory.createMethod(name, null);
        newNameElement = method.getNameIdentifierGroovy();
      } catch (IncorrectOperationException e) {
        newNameElement = factory.createLiteralFromValue(name).getFirstChild();
      }
    } else {
      newNameElement = factory.createLiteralFromValue(name).getFirstChild();
    }
    nameElement.replace(newNameElement);
    return this;
  }
  private static void processClassUsage(GrTypeDefinition psiClass, JavaChangeInfo changeInfo) {
    String name = psiClass.getName();

    GrMethod constructor =
        GroovyPsiElementFactory.getInstance(psiClass.getProject())
            .createConstructorFromText(
                name, ArrayUtil.EMPTY_STRING_ARRAY, ArrayUtil.EMPTY_STRING_ARRAY, "{}", null);

    GrModifierList list = constructor.getModifierList();
    if (psiClass.hasModifierProperty(PsiModifier.PRIVATE))
      list.setModifierProperty(PsiModifier.PRIVATE, true);
    if (psiClass.hasModifierProperty(PsiModifier.PROTECTED))
      list.setModifierProperty(PsiModifier.PROTECTED, true);
    if (!list.hasExplicitVisibilityModifiers()) {
      list.setModifierProperty(GrModifier.DEF, true);
    }

    constructor = (GrMethod) psiClass.add(constructor);
    processConstructor(constructor, changeInfo);
  }
  private static void processConstructor(GrMethod constructor, JavaChangeInfo changeInfo) {
    final PsiClass containingClass = constructor.getContainingClass();
    final PsiClass baseClass = changeInfo.getMethod().getContainingClass();
    final PsiSubstitutor substitutor =
        TypeConversionUtil.getSuperClassSubstitutor(
            baseClass, containingClass, PsiSubstitutor.EMPTY);

    GrOpenBlock block = constructor.getBlock();
    GrConstructorInvocation invocation =
        GroovyPsiElementFactory.getInstance(constructor.getProject())
            .createConstructorInvocation("super()");
    invocation =
        (GrConstructorInvocation) block.addStatementBefore(invocation, getFirstStatement(block));
    processMethodUsage(
        invocation.getInvokedExpression(),
        changeInfo,
        changeInfo.isParameterSetOrOrderChanged() || changeInfo.isParameterNamesChanged(),
        changeInfo.isExceptionSetChanged(),
        GrClosureSignatureUtil.ArgInfo.<PsiElement>empty_array(),
        substitutor);
  }
  public void generateMethodBody(GrMethod method) {
    final GrOpenBlock block = method.getBlock();

    boolean shouldInsertReturnNull;
    myExitPoints.clear();
    PsiType returnType = context.typeProvider.getReturnType(method);
    if (!method.isConstructor() && returnType != PsiType.VOID) {
      myExitPoints.addAll(ControlFlowUtils.collectReturns(block));
      shouldInsertReturnNull =
          block != null
              && !(returnType instanceof PsiPrimitiveType)
              && MissingReturnInspection.methodMissesSomeReturns(
                  block, MissingReturnInspection.ReturnStatus.getReturnStatus(method));
    } else {
      shouldInsertReturnNull = false;
    }

    if (block != null) {
      generateCodeBlock(block, shouldInsertReturnNull);
    }
  }
 private void checkExitPoint() {
   final PsiElement element =
       PsiTreeUtil.getParentOfType(myExpression, PsiMethod.class, GrClosableBlock.class);
   if (element instanceof GrMethod) {
     final GrMethod method = (GrMethod) element;
     ControlFlowUtils.visitAllExitPoints(
         method.getBlock(),
         new ControlFlowUtils.ExitPointVisitor() {
           @Override
           public boolean visitExitPoint(
               Instruction instruction, @Nullable GrExpression returnValue) {
             if (returnValue == myExpression) {
               final PsiType returnType = method.getReturnType();
               if (returnType != null) {
                 myResult = createSimpleSubTypeResult(returnType);
               }
               return false;
             }
             return true;
           }
         });
   }
 }
  public static boolean isMainMethod(GrMethod method) {
    if (!method.getName().equals(MAIN_METHOD)) return false;
    else if (!method.hasModifierProperty(PsiModifier.STATIC)) return false;

    final GrParameter[] parameters = method.getParameters();

    if (parameters.length == 0) return false;
    if (parameters.length == 1 && parameters[0].getTypeElementGroovy() == null) return true;

    int args_count = 0;
    int optional_count = 0;

    for (GrParameter p : parameters) {
      final GrTypeElement declaredType = p.getTypeElementGroovy();
      if ((declaredType == null
              || declaredType.getType().equalsToText(CommonClassNames.JAVA_LANG_STRING + "[]"))
          && p.getInitializerGroovy() == null) {
        args_count++;
      }
      if (p.getInitializerGroovy() != null) optional_count++;
    }

    return optional_count == parameters.length - 1 && args_count == 1;
  }
  public void generateCodeBlock(GrCodeBlock block, boolean shouldInsertReturnNull) {
    builder.append("{");
    GrParameter[] parameters;
    if (block.getParent() instanceof GrMethod) {
      GrMethod method = (GrMethod) block.getParent();
      parameters = method.getParameters();
    } else if (block instanceof GrClosableBlock) {
      parameters = ((GrClosableBlock) block).getAllParameters();
    } else {
      parameters = GrParameter.EMPTY_ARRAY;
    }

    for (GrParameter parameter : parameters) {
      if (context.analyzedVars.toWrap(parameter)) {
        StringBuilder typeText =
            new StringBuilder().append(GroovyCommonClassNames.GROOVY_LANG_REFERENCE);
        writeTypeParameters(
            typeText,
            new PsiType[] {context.typeProvider.getParameterType(parameter)},
            parameter,
            new GeneratorClassNameProvider());
        builder
            .append("final ")
            .append(typeText)
            .append(' ')
            .append(context.analyzedVars.toVarName(parameter))
            .append(" = new ")
            .append(typeText)
            .append('(')
            .append(parameter.getName())
            .append(");\n");
      }
    }
    visitStatementOwner(block, shouldInsertReturnNull);
    builder.append("}\n");
  }
  private static void generateParametersForDelegateCall(
      GrChangeInfoImpl grInfo, GrMethod method, StringBuilder buffer) {
    buffer.append("(");

    final GrParameter[] oldParameters = method.getParameterList().getParameters();
    final JavaParameterInfo[] parameters = grInfo.getNewParameters();

    String[] params = new String[parameters.length];
    for (int i = 0; i < parameters.length; i++) {
      JavaParameterInfo parameter = parameters[i];
      final int oldIndex = parameter.getOldIndex();
      if (oldIndex >= 0) {
        params[i] = oldParameters[oldIndex].getName();
      } else {
        params[i] = parameter.getDefaultValue();
      }
    }
    buffer.append(StringUtil.join(params, ","));
    buffer.append(");");
  }
  private static boolean generateDelegate(GrChangeInfoImpl grInfo) {
    final GrMethod method = grInfo.getMethod();
    final PsiClass psiClass = method.getContainingClass();
    GrMethod newMethod = (GrMethod) method.copy();
    newMethod = (GrMethod) psiClass.addAfter(newMethod, method);
    StringBuilder buffer = new StringBuilder();
    buffer.append("\n");
    if (method.isConstructor()) {
      buffer.append("this");
    } else {
      if (!PsiType.VOID.equals(method.getReturnType())) {
        buffer.append("return ");
      }
      buffer.append(
          GrChangeSignatureUtil.getNameWithQuotesIfNeeded(
              grInfo.getNewName(), method.getProject()));
    }

    generateParametersForDelegateCall(grInfo, method, buffer);

    final GrCodeBlock codeBlock =
        GroovyPsiElementFactory.getInstance(method.getProject())
            .createMethodBodyFromText(buffer.toString());
    newMethod.setBlock(codeBlock);
    newMethod.getModifierList().setModifierProperty(PsiModifier.ABSTRACT, false);

    CodeStyleManager.getInstance(method.getProject()).reformat(newMethod);
    return processPrimaryMethodInner(grInfo, method, null);
  }
 public static GrMethod[] getMethodOrReflectedMethods(GrMethod method) {
   final GrReflectedMethod[] reflectedMethods = method.getReflectedMethods();
   return reflectedMethods.length > 0 ? reflectedMethods : new GrMethod[] {method};
 }
  public String generateDocumentationContentStub(PsiComment contextComment) {
    if (!(contextComment instanceof GrDocComment)) {
      return null;
    }

    final GrDocCommentOwner owner = GrDocCommentUtil.findDocOwner((GrDocComment) contextComment);
    if (owner == null) return null;

    Project project = contextComment.getProject();
    final CodeDocumentationAwareCommenter commenter =
        (CodeDocumentationAwareCommenter)
            LanguageCommenters.INSTANCE.forLanguage(owner.getLanguage());

    StringBuilder builder = StringBuilderSpinAllocator.alloc();
    try {
      if (owner instanceof GrMethod) {
        final GrMethod method = (GrMethod) owner;
        final GrParameter[] parameters = method.getParameters();
        final Map<String, String> param2Description = new HashMap<String, String>();
        final PsiMethod[] superMethods = method.findSuperMethods();

        for (PsiMethod superMethod : superMethods) {
          final PsiDocComment comment = superMethod.getDocComment();
          if (comment != null) {
            final PsiDocTag[] params = comment.findTagsByName("param");
            for (PsiDocTag param : params) {
              final PsiElement[] dataElements = param.getDataElements();
              if (dataElements != null) {
                String paramName = null;
                for (PsiElement dataElement : dataElements) {
                  if (dataElement instanceof PsiDocParamRef) {
                    paramName = dataElement.getReference().getCanonicalText();
                    break;
                  }
                }
                if (paramName != null) {
                  param2Description.put(paramName, param.getText());
                }
              }
            }
          }
        }
        for (PsiParameter parameter : parameters) {
          String description = param2Description.get(parameter.getName());
          if (description != null) {
            builder.append(CodeDocumentationUtil.createDocCommentLine("", project, commenter));
            if (description.indexOf('\n') > -1)
              description = description.substring(0, description.lastIndexOf('\n'));
            builder.append(description);
          } else {
            builder.append(
                CodeDocumentationUtil.createDocCommentLine(PARAM_TAG, project, commenter));
            builder.append(parameter.getName());
          }
          builder.append(LINE_SEPARATOR);
        }

        final PsiType returnType = method.getInferredReturnType();
        if ((returnType != null || method.getModifierList().hasModifierProperty(GrModifier.DEF))
            && returnType != PsiType.VOID) {
          builder.append(
              CodeDocumentationUtil.createDocCommentLine(RETURN_TAG, project, commenter));
          builder.append(LINE_SEPARATOR);
        }

        final PsiClassType[] references = method.getThrowsList().getReferencedTypes();
        for (PsiClassType reference : references) {
          builder.append(
              CodeDocumentationUtil.createDocCommentLine(THROWS_TAG, project, commenter));
          builder.append(reference.getClassName());
          builder.append(LINE_SEPARATOR);
        }
      } else if (owner instanceof GrTypeDefinition) {
        final PsiTypeParameterList typeParameterList = ((PsiClass) owner).getTypeParameterList();
        if (typeParameterList != null) {
          createTypeParamsListComment(builder, project, commenter, typeParameterList);
        }
      }
      return builder.length() > 0 ? builder.toString() : null;
    } finally {
      StringBuilderSpinAllocator.dispose(builder);
    }
  }
  private void doMoveMethod(PsiSubstitutor substitutor, GrMemberInfo info) {
    GroovyPsiElementFactory elementFactory = GroovyPsiElementFactory.getInstance(myProject);
    GrMethod method = (GrMethod) info.getMember();
    PsiMethod sibling = method;
    PsiMethod anchor = null;
    while (sibling != null) {
      sibling = PsiTreeUtil.getNextSiblingOfType(sibling, PsiMethod.class);
      if (sibling != null) {
        anchor =
            MethodSignatureUtil.findMethodInSuperClassBySignatureInDerived(
                method.getContainingClass(),
                myTargetSuperClass,
                sibling.getSignature(PsiSubstitutor.EMPTY),
                false);
        if (anchor != null) {
          break;
        }
      }
    }

    GrMethod methodCopy = (GrMethod) method.copy();
    if (method.findSuperMethods(myTargetSuperClass).length == 0) {
      deleteOverrideAnnotationIfFound(methodCopy);
    }

    final boolean isOriginalMethodAbstract =
        method.hasModifierProperty(PsiModifier.ABSTRACT)
            || method.hasModifierProperty(PsiModifier.DEFAULT);
    if (myTargetSuperClass.isInterface() || info.isToAbstract()) {
      GroovyChangeContextUtil.clearContextInfo(method);
      RefactoringUtil.makeMethodAbstract(myTargetSuperClass, methodCopy);
      if (myTargetSuperClass.isInterface()) {
        PsiUtil.setModifierProperty(methodCopy, PsiModifier.ABSTRACT, false);
      }
      replaceMovedMemberTypeParameters(
          methodCopy, PsiUtil.typeParametersIterable(mySourceClass), substitutor, elementFactory);

      final GrMethod movedElement =
          anchor != null
              ? (GrMethod) myTargetSuperClass.addBefore(methodCopy, anchor)
              : (GrMethod) myTargetSuperClass.add(methodCopy);
      CodeStyleSettings styleSettings = CodeStyleSettingsManager.getSettings(method.getProject());
      if (styleSettings.INSERT_OVERRIDE_ANNOTATION) {
        if (PsiUtil.isLanguageLevel5OrHigher(mySourceClass) && !myTargetSuperClass.isInterface()
            || PsiUtil.isLanguageLevel6OrHigher(mySourceClass)) {
          new AddAnnotationFix(CommonClassNames.JAVA_LANG_OVERRIDE, method)
              .invoke(method.getProject(), null, mySourceClass.getContainingFile());
        }
      }

      GrDocComment oldDoc = method.getDocComment();
      if (oldDoc != null) {
        GrDocCommentUtil.setDocComment(movedElement, oldDoc);
      }

      myDocCommentPolicy.processCopiedJavaDoc(
          methodCopy.getDocComment(), oldDoc, isOriginalMethodAbstract);

      myMembersAfterMove.add(movedElement);
      if (isOriginalMethodAbstract) {
        deleteMemberWithDocComment(method);
      }
    } else {
      if (isOriginalMethodAbstract) {
        PsiUtil.setModifierProperty(myTargetSuperClass, PsiModifier.ABSTRACT, true);
      }

      // fixReferencesToStatic(methodCopy, movedMembers);
      replaceMovedMemberTypeParameters(
          methodCopy, PsiUtil.typeParametersIterable(mySourceClass), substitutor, elementFactory);
      final PsiMethod superClassMethod =
          myTargetSuperClass.findMethodBySignature(methodCopy, false);
      final GrMethod movedElement;
      if (superClassMethod != null && superClassMethod.hasModifierProperty(PsiModifier.ABSTRACT)) {
        movedElement = (GrMethod) superClassMethod.replace(methodCopy);
      } else {
        movedElement =
            anchor != null
                ? (GrMethod) myTargetSuperClass.addBefore(methodCopy, anchor)
                : (GrMethod) myTargetSuperClass.add(methodCopy);
        myMembersAfterMove.add(movedElement);
      }

      GrDocCommentUtil.setDocComment(movedElement, method.getDocComment());

      deleteMemberWithDocComment(method);
    }
  }
  public static MultiMap<PsiElement, String> checkConflicts(
      final MemberInfoBase<? extends GrMember>[] infos,
      @NotNull final PsiClass subclass,
      @Nullable PsiClass superClass,
      @NotNull final PsiPackage targetPackage,
      @NotNull PsiDirectory targetDirectory,
      final InterfaceContainmentVerifier interfaceContainmentVerifier,
      boolean movedMembers2Super) {
    final PsiElement targetRepresentativeElement;
    final boolean isInterfaceTarget;
    if (superClass != null) {
      isInterfaceTarget = superClass.isInterface();
      targetRepresentativeElement = superClass;
    } else {
      isInterfaceTarget = false;
      targetRepresentativeElement = targetDirectory;
    }

    final Set<GrMember> movedMembers = ContainerUtil.newHashSet();
    final Set<GrMethod> abstractMethods = ContainerUtil.newHashSet();
    for (MemberInfoBase<? extends GrMember> info : infos) {
      GrMember member = info.getMember();
      if (member instanceof GrMethod) {
        if (!info.isToAbstract() && !isInterfaceTarget) {
          movedMembers.add(member);
        } else {
          abstractMethods.add((GrMethod) member);
        }
      } else {
        movedMembers.add(member);
      }
    }

    final Set<PsiMethod> allAbstractMethods = new HashSet<PsiMethod>(abstractMethods);
    if (superClass != null) {
      for (PsiMethod method : subclass.getMethods()) {
        if (!movedMembers.contains(method) && !method.hasModifierProperty(PsiModifier.PRIVATE)) {
          if (method.findSuperMethods(superClass).length > 0) {
            allAbstractMethods.add(method);
          }
        }
      }
    }

    final MultiMap<PsiElement, String> conflicts = new MultiMap<PsiElement, String>();

    GrRefactoringConflictsUtil.analyzeAccessibilityConflicts(
        movedMembers,
        superClass,
        conflicts,
        VisibilityUtil.ESCALATE_VISIBILITY,
        targetRepresentativeElement,
        allAbstractMethods);

    if (superClass != null) {
      if (movedMembers2Super) {
        checkSuperclassMembers(superClass, infos, conflicts);
        if (isInterfaceTarget) {
          checkInterfaceTarget(infos, conflicts);
        }
      } else {
        final String qualifiedName = superClass.getQualifiedName();
        assert qualifiedName != null;
        if (superClass.hasModifierProperty(PsiModifier.PACKAGE_LOCAL)) {
          if (!Comparing.strEqual(
              StringUtil.getPackageName(qualifiedName), targetPackage.getQualifiedName())) {
            conflicts.putValue(
                superClass,
                RefactoringUIUtil.getDescription(superClass, true)
                    + " won't be accessible from "
                    + RefactoringUIUtil.getDescription(targetPackage, true));
          }
        }
      }
    }
    // check if moved methods use other members in the classes between Subclass and Superclass
    List<PsiElement> checkModuleConflictsList = new ArrayList<PsiElement>();
    for (PsiMember member : movedMembers) {
      if (member instanceof PsiMethod
          || member instanceof PsiClass && !(member instanceof PsiCompiledElement)) {
        GrClassMemberReferenceVisitor visitor =
            movedMembers2Super
                ? new ConflictingUsagesOfSubClassMembers(
                    member,
                    movedMembers,
                    abstractMethods,
                    subclass,
                    superClass,
                    superClass != null ? null : targetPackage,
                    conflicts,
                    interfaceContainmentVerifier)
                : new ConflictingUsagesOfSuperClassMembers(
                    member, subclass, targetPackage, movedMembers, conflicts);
        ((GroovyPsiElement) member).accept(visitor);
      }
      checkModuleConflictsList.add(member);
    }
    for (final PsiMethod method : abstractMethods) {
      ContainerUtil.addIfNotNull(checkModuleConflictsList, method.getParameterList());
      ContainerUtil.addIfNotNull(checkModuleConflictsList, method.getReturnTypeElement());
      ContainerUtil.addIfNotNull(checkModuleConflictsList, method.getTypeParameterList());
    }
    GrRefactoringConflictsUtil.analyzeModuleConflicts(
        subclass.getProject(),
        checkModuleConflictsList,
        new UsageInfo[0],
        targetRepresentativeElement,
        conflicts);
    final String fqName = subclass.getQualifiedName();
    final String packageName;
    if (fqName != null) {
      packageName = StringUtil.getPackageName(fqName);
    } else {
      final PsiFile psiFile = PsiTreeUtil.getParentOfType(subclass, PsiFile.class);
      if (psiFile instanceof PsiClassOwner) {
        packageName = ((PsiClassOwner) psiFile).getPackageName();
      } else {
        packageName = null;
      }
    }
    final boolean toDifferentPackage =
        !Comparing.strEqual(targetPackage.getQualifiedName(), packageName);
    for (final GrMethod abstractMethod : abstractMethods) {
      abstractMethod.accept(
          new GrClassMemberReferenceVisitor(subclass) {
            @Override
            protected void visitClassMemberReferenceElement(
                GrMember classMember, GrReferenceElement classMemberReference) {
              if (classMember != null && willBeMoved(classMember, movedMembers)) {
                boolean isAccessible = false;
                if (classMember.hasModifierProperty(PsiModifier.PRIVATE)) {
                  isAccessible = true;
                } else if (classMember.hasModifierProperty(PsiModifier.PACKAGE_LOCAL)
                    && toDifferentPackage) {
                  isAccessible = true;
                }
                if (isAccessible) {
                  String message =
                      RefactoringUIUtil.getDescription(abstractMethod, false)
                          + " uses "
                          + RefactoringUIUtil.getDescription(classMember, true)
                          + " which won't be accessible from the subclass.";
                  message = CommonRefactoringUtil.capitalize(message);
                  conflicts.putValue(classMember, message);
                }
              }
            }
          });
      if (abstractMethod.hasModifierProperty(PsiModifier.PACKAGE_LOCAL) && toDifferentPackage) {
        if (!isInterfaceTarget) {
          String message =
              "Can't make "
                  + RefactoringUIUtil.getDescription(abstractMethod, false)
                  + " abstract as it won't be accessible from the subclass.";
          message = CommonRefactoringUtil.capitalize(message);
          conflicts.putValue(abstractMethod, message);
        }
      }
    }
    return conflicts;
  }
  @Override
  protected void performRefactoring(UsageInfo[] usages) {
    GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(myProject);

    PsiType initializerType = mySettings.getSelectedType();

    // Changing external occurrences (the tricky part)

    IntroduceParameterUtil.processUsages(usages, this);

    final GrMethod toReplaceIn = (GrMethod) mySettings.getToReplaceIn();
    final PsiMethod toSearchFor = (PsiMethod) mySettings.getToSearchFor();

    final boolean methodsToProcessAreDifferent = toReplaceIn != toSearchFor;
    if (mySettings.generateDelegate()) {
      GroovyIntroduceParameterUtil.generateDelegate(toReplaceIn, myParameterInitializer, myProject);
      if (methodsToProcessAreDifferent) {
        final GrMethod method =
            GroovyIntroduceParameterUtil.generateDelegate(
                toSearchFor, myParameterInitializer, myProject);
        final PsiClass containingClass = method.getContainingClass();
        if (containingClass != null && containingClass.isInterface()) {
          final GrOpenBlock block = method.getBlock();
          if (block != null) {
            block.delete();
          }
        }
      }
    }

    // Changing signature of initial method
    // (signature of myMethodToReplaceIn will be either changed now or have already been changed)
    LOG.assertTrue(initializerType == null || initializerType.isValid());

    final FieldConflictsResolver fieldConflictsResolver =
        new FieldConflictsResolver(mySettings.getName(), toReplaceIn.getBlock());
    IntroduceParameterUtil.changeMethodSignatureAndResolveFieldConflicts(
        new UsageInfo(toReplaceIn), usages, this);
    if (methodsToProcessAreDifferent) {
      IntroduceParameterUtil.changeMethodSignatureAndResolveFieldConflicts(
          new UsageInfo(toSearchFor), usages, this);
    }

    // Replacing expression occurrences
    for (UsageInfo usage : usages) {
      if (usage instanceof ChangedMethodCallInfo) {
        PsiElement element = usage.getElement();

        GroovyIntroduceParameterUtil.processChangedMethodCall(element, mySettings, myProject);
      } else if (usage instanceof InternalUsageInfo) {
        PsiElement element = usage.getElement();
        if (element == null) continue;
        GrExpression newExpr = factory.createExpressionFromText(mySettings.getName());
        if (element instanceof GrExpression) {
          ((GrExpression) element).replaceWithExpression(newExpr, true);
        } else {
          element.replace(newExpr);
        }
      }
    }

    final StringPartInfo stringPartInfo = mySettings.getStringPartInfo();
    if (stringPartInfo != null) {
      final GrExpression expr =
          GrIntroduceHandlerBase.processLiteral(
              mySettings.getName(), mySettings.getStringPartInfo(), mySettings.getProject());
      final Editor editor = PsiUtilBase.findEditor(expr);
      if (editor != null) {
        editor.getSelectionModel().removeSelection();
        editor.getCaretModel().moveToOffset(expr.getTextRange().getEndOffset());
      }
    }

    final GrVariable var = mySettings.getVar();
    if (var != null && mySettings.removeLocalVariable()) {
      var.delete();
    }
    fieldConflictsResolver.fix();
  }
  private boolean validateInputData() {
    if (!isGroovyMethodName(getNewName())) {
      showErrorHint(message("name.is.wrong", getNewName()));
      return false;
    }

    if (!checkType(myReturnTypeCodeFragment, true)) {
      showErrorHint(message("return.type.is.wrong"));
      return false;
    }

    List<GrTableParameterInfo> parameterInfos = myParameterModel.getParameterInfos();
    for (int i = 0; i < parameterInfos.size(); i++) {
      GrTableParameterInfo info = parameterInfos.get(i);
      if (!StringUtil.isJavaIdentifier(info.getName())) {
        showErrorHint(message("name.is.wrong", info.getName()));
        return false;
      }
      if (!checkType(info.getTypeFragment(), i == parameterInfos.size() - 1)) {
        showErrorHint(message("type.for.parameter.is.incorrect", info.getName()));
        return false;
      }
      String defaultValue = info.getDefaultValue();
      final String initializer = info.getDefaultInitializerFragment().getText();
      if (info.getOldIndex() < 0
          && defaultValue.trim().length() == 0
          && initializer.trim().length() == 0) {
        showErrorHint(message("specify.default.value", info.getName()));
        return false;
      }
    }

    ThrownExceptionInfo[] exceptionInfos = myExceptionTableModel.getThrownExceptions();
    PsiTypeCodeFragment[] typeCodeFragments = myExceptionTableModel.getTypeCodeFragments();
    for (int i = 0; i < exceptionInfos.length; i++) {
      ThrownExceptionInfo exceptionInfo = exceptionInfos[i];
      PsiTypeCodeFragment typeCodeFragment = typeCodeFragments[i];
      try {
        PsiType type = typeCodeFragment.getType();
        if (!(type instanceof PsiClassType)) {
          showErrorHint(
              GroovyRefactoringBundle.message(
                  "changeSignature.wrong.type.for.exception", typeCodeFragment.getText()));
          return false;
        }

        PsiClassType throwable =
            JavaPsiFacade.getInstance(myMethod.getProject())
                .getElementFactory()
                .createTypeByFQClassName("java.lang.Throwable", myMethod.getResolveScope());
        if (!throwable.isAssignableFrom(type)) {
          showErrorHint(
              GroovyRefactoringBundle.message(
                  "changeSignature.not.throwable.type", typeCodeFragment.getText()));
          return false;
        }
        exceptionInfo.setType((PsiClassType) type);
      } catch (PsiTypeCodeFragment.TypeSyntaxException e) {
        showErrorHint(
            GroovyRefactoringBundle.message(
                "changeSignature.wrong.type.for.exception", typeCodeFragment.getText()));
        return false;
      } catch (PsiTypeCodeFragment.NoTypeException e) {
        showErrorHint(GroovyRefactoringBundle.message("changeSignature.no.type.for.exception"));
        return false;
      }
    }

    return true;
  }
  private static boolean processPrimaryMethodInner(
      JavaChangeInfo changeInfo, GrMethod method, @Nullable PsiMethod baseMethod) {
    if (changeInfo.isNameChanged()) {
      String newName =
          baseMethod == null
              ? changeInfo.getNewName()
              : RefactoringUtil.suggestNewOverriderName(
                  method.getName(), baseMethod.getName(), changeInfo.getNewName());
      if (newName != null && !newName.equals(method.getName())) {
        method.setName(changeInfo.getNewName());
      }
    }

    final GrModifierList modifierList = method.getModifierList();
    if (changeInfo.isVisibilityChanged()) {
      modifierList.setModifierProperty(changeInfo.getNewVisibility(), true);
    }

    PsiSubstitutor substitutor =
        baseMethod != null ? calculateSubstitutor(method, baseMethod) : PsiSubstitutor.EMPTY;

    final PsiMethod context = changeInfo.getMethod();
    GrTypeElement oldReturnTypeElement = method.getReturnTypeElementGroovy();
    if (changeInfo.isReturnTypeChanged()) {
      CanonicalTypes.Type newReturnType = changeInfo.getNewReturnType();
      if (newReturnType == null) {
        if (oldReturnTypeElement != null) {
          oldReturnTypeElement.delete();
          if (modifierList.getModifiers().length == 0) {
            modifierList.setModifierProperty(GrModifier.DEF, true);
          }
        }
      } else {
        PsiType type = newReturnType.getType(context, method.getManager());
        GrReferenceAdjuster.shortenAllReferencesIn(
            method.setReturnType(substitutor.substitute(type)));
        if (oldReturnTypeElement == null) {
          modifierList.setModifierProperty(GrModifier.DEF, false);
        }
      }
    }

    JavaParameterInfo[] newParameters = changeInfo.getNewParameters();
    final GrParameterList parameterList = method.getParameterList();
    GrParameter[] oldParameters = parameterList.getParameters();
    final PsiParameter[] oldBaseParams =
        baseMethod != null ? baseMethod.getParameterList().getParameters() : null;

    Set<GrParameter> toRemove = new HashSet<GrParameter>(oldParameters.length);
    ContainerUtil.addAll(toRemove, oldParameters);

    GrParameter anchor = null;
    final GrDocComment docComment = method.getDocComment();
    final GrDocTag[] tags = docComment == null ? null : docComment.getTags();

    for (JavaParameterInfo newParameter : newParameters) {
      // if old parameter name differs from base method parameter name we don't change it
      final String newName;
      final int oldIndex = newParameter.getOldIndex();
      if (oldIndex >= 0 && oldBaseParams != null) {
        final String oldName = oldParameters[oldIndex].getName();
        if (oldName.equals(oldBaseParams[oldIndex].getName())) {
          newName = newParameter.getName();
        } else {
          newName = oldName;
        }
      } else {
        newName = newParameter.getName();
      }

      final GrParameter oldParameter = oldIndex >= 0 ? oldParameters[oldIndex] : null;

      if (docComment != null && oldParameter != null) {
        final String oldName = oldParameter.getName();
        for (GrDocTag tag : tags) {
          if ("@param".equals(tag.getName())) {
            final GrDocParameterReference parameterReference = tag.getDocParameterReference();
            if (parameterReference != null && oldName.equals(parameterReference.getText())) {
              parameterReference.handleElementRename(newName);
            }
          }
        }
      }

      GrParameter grParameter =
          createNewParameter(substitutor, context, parameterList, newParameter, newName);
      if (oldParameter != null) {
        grParameter.getModifierList().replace(oldParameter.getModifierList());
      }

      if ("def".equals(newParameter.getTypeText())) {
        grParameter.getModifierList().setModifierProperty(GrModifier.DEF, true);
      } else if (StringUtil.isEmpty(newParameter.getTypeText())) {
        grParameter.getModifierList().setModifierProperty(GrModifier.DEF, false);
      }

      anchor = (GrParameter) parameterList.addAfter(grParameter, anchor);
    }

    for (GrParameter oldParameter : toRemove) {
      oldParameter.delete();
    }
    JavaCodeStyleManager.getInstance(parameterList.getProject())
        .shortenClassReferences(parameterList);
    CodeStyleManager.getInstance(parameterList.getProject()).reformat(parameterList);

    if (changeInfo.isExceptionSetOrOrderChanged()) {
      final ThrownExceptionInfo[] infos = changeInfo.getNewExceptions();
      PsiClassType[] exceptionTypes = new PsiClassType[infos.length];
      for (int i = 0; i < infos.length; i++) {
        ThrownExceptionInfo info = infos[i];
        exceptionTypes[i] = (PsiClassType) info.createType(method, method.getManager());
      }

      PsiReferenceList thrownList =
          GroovyPsiElementFactory.getInstance(method.getProject()).createThrownList(exceptionTypes);
      thrownList = (PsiReferenceList) method.getThrowsList().replace(thrownList);
      JavaCodeStyleManager.getInstance(thrownList.getProject()).shortenClassReferences(thrownList);
      CodeStyleManager.getInstance(method.getProject()).reformat(method.getThrowsList());
    }
    return true;
  }
示例#25
0
  // See org.spockframework.compiler.WhereBlockRewriter
  public static Map<String, SpockVariableDescriptor> createVariableMap(GrMethod method) {
    GrOpenBlock block = method.getBlock();
    if (block == null) return Collections.emptyMap();

    PsiElement elementUnderLabel = null;
    PsiElement elementAfterLabel = null;

    main:
    for (PsiElement e = block.getFirstChild(); e != null; e = e.getNextSibling()) {
      if (e instanceof GrLabeledStatement) {
        GrLabeledStatement l = (GrLabeledStatement) e;

        elementAfterLabel = l.getNextSibling();

        while (true) {
          GrStatement statement = l.getStatement();

          if ("where".equals(l.getName())) {
            elementUnderLabel = statement;
            break main;
          }

          if (statement instanceof GrLabeledStatement) {
            l = (GrLabeledStatement) statement;
            continue;
          }

          break;
        }
      }
    }

    if (elementUnderLabel == null) return Collections.emptyMap();

    Map<String, SpockVariableDescriptor> res = new HashMap<>();

    PsiElement e = elementUnderLabel;

    while (e != null) {
      if (e instanceof GrBinaryExpression
          && ((GrBinaryExpression) e).getOperationTokenType()
              == GroovyElementTypes.COMPOSITE_LSHIFT_SIGN) {
        GrBinaryExpression shift = (GrBinaryExpression) e;
        GrExpression leftOperand = shift.getLeftOperand();
        GrExpression rightOperand = shift.getRightOperand();

        if (leftOperand instanceof GrReferenceExpression) {
          String name = getNameByReference(leftOperand);
          if (name != null) {
            SpockVariableDescriptor descriptor = new SpockVariableDescriptor(leftOperand, name);
            descriptor.addExpressionOfCollection(rightOperand);
            res.put(name, descriptor);
          }
        } else if (leftOperand instanceof GrListOrMap) {
          GrExpression[] variableDefinitions = ((GrListOrMap) leftOperand).getInitializers();

          SpockVariableDescriptor[] variables =
              createVariables(res, Arrays.asList(variableDefinitions));

          if (rightOperand instanceof GrListOrMap) {
            for (GrExpression expression : ((GrListOrMap) rightOperand).getInitializers()) {
              if (expression instanceof GrListOrMap) {
                add(variables, Arrays.asList(((GrListOrMap) expression).getInitializers()));
              } else {
                for (SpockVariableDescriptor variable : variables) {
                  if (variable != null) {
                    variable.addExpressionOfCollection(expression);
                  }
                }
              }
            }
          }
        }
      } else if (e instanceof GrAssignmentExpression) {
        GrAssignmentExpression assExpr = (GrAssignmentExpression) e;
        GrExpression lValue = assExpr.getLValue();
        String name = getNameByReference(lValue);
        if (name != null) {
          res.put(
              name, new SpockVariableDescriptor(lValue, name).addExpression(assExpr.getRValue()));
        }
      } else if (isOrStatement(e)) {
        // See org.spockframework.compiler.WhereBlockRewriter#rewriteTableLikeParameterization()
        List<GrExpression> variableDefinitions = new ArrayList<>();
        splitOr(variableDefinitions, (GrExpression) e);

        SpockVariableDescriptor[] variables = createVariables(res, variableDefinitions);

        List<GrExpression> row = new ArrayList<>();

        PsiElement rowElement = getNext(e, elementUnderLabel, elementAfterLabel);
        while (isOrStatement(rowElement)) {
          row.clear();
          splitOr(row, (GrExpression) rowElement);

          add(variables, row);

          rowElement = getNext(rowElement, elementUnderLabel, elementAfterLabel);
        }

        e = rowElement;
        continue;
      }

      e = getNext(e, elementUnderLabel, elementAfterLabel);
    }

    return res;
  }