private PsiMethod generateDelegate(final PsiMethod methodToReplaceIn)
      throws IncorrectOperationException {
    final PsiMethod delegate = (PsiMethod) methodToReplaceIn.copy();
    final PsiElementFactory elementFactory =
        JavaPsiFacade.getInstance(myManager.getProject()).getElementFactory();
    ChangeSignatureProcessor.makeEmptyBody(elementFactory, delegate);
    final PsiCallExpression callExpression =
        ChangeSignatureProcessor.addDelegatingCallTemplate(delegate, delegate.getName());
    final PsiExpressionList argumentList = callExpression.getArgumentList();
    assert argumentList != null;
    final PsiParameter[] psiParameters = methodToReplaceIn.getParameterList().getParameters();

    final PsiParameter anchorParameter = getAnchorParameter(methodToReplaceIn);
    if (psiParameters.length == 0) {
      argumentList.add(myParameterInitializer);
    } else {
      if (anchorParameter == null) {
        argumentList.add(myParameterInitializer);
      }
      for (int i = 0; i < psiParameters.length; i++) {
        PsiParameter psiParameter = psiParameters[i];
        if (!myParametersToRemove.contains(i)) {
          final PsiExpression expression =
              elementFactory.createExpressionFromText(psiParameter.getName(), delegate);
          argumentList.add(expression);
        }
        if (psiParameter == anchorParameter) {
          argumentList.add(myParameterInitializer);
        }
      }
    }

    return (PsiMethod)
        methodToReplaceIn.getContainingClass().addBefore(delegate, methodToReplaceIn);
  }
  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;
  }
  private PsiMethod getPatternMethod() throws IncorrectOperationException {
    final PsiMethod methodCopy = (PsiMethod) myMethod.copy();
    String name =
        myTargetClass.isInterface()
            ? PsiModifier.PUBLIC
            : !Comparing.strEqual(myNewVisibility, VisibilityUtil.ESCALATE_VISIBILITY)
                ? myNewVisibility
                : null;
    if (name != null) {
      PsiUtil.setModifierProperty(methodCopy, name, true);
    }
    if (myTargetVariable instanceof PsiParameter) {
      final int index =
          myMethod.getParameterList().getParameterIndex((PsiParameter) myTargetVariable);
      methodCopy.getParameterList().getParameters()[index].delete();
    }

    addParameters(
        JavaPsiFacade.getInstance(myProject).getElementFactory(),
        methodCopy,
        myTargetClass.isInterface());
    return methodCopy;
  }
  public Collection<String> findConflicts(
      @NotNull final PsiElement element, @NotNull final PsiElement[] allElementsToDelete) {
    if (element instanceof PsiMethod) {
      final PsiClass containingClass = ((PsiMethod) element).getContainingClass();

      if (containingClass != null && !containingClass.hasModifierProperty(PsiModifier.ABSTRACT)) {
        final PsiMethod[] superMethods = ((PsiMethod) element).findSuperMethods();
        for (PsiMethod superMethod : superMethods) {
          if (isInside(superMethod, allElementsToDelete)) continue;
          if (superMethod.hasModifierProperty(PsiModifier.ABSTRACT)) {
            String message =
                RefactoringBundle.message(
                    "0.implements.1",
                    RefactoringUIUtil.getDescription(element, true),
                    RefactoringUIUtil.getDescription(superMethod, true));
            return Collections.singletonList(message);
          }
        }
      }
    } else if (element instanceof PsiParameter) {
      final PsiElement scope = ((PsiParameter) element).getDeclarationScope();
      if (scope instanceof PsiMethod) {
        final PsiMethod method = (PsiMethod) scope;
        final PsiClass containingClass = method.getContainingClass();
        if (containingClass != null) {
          final int parameterIndex =
              method.getParameterList().getParameterIndex((PsiParameter) element);
          final PsiMethod methodCopy = (PsiMethod) method.copy();
          methodCopy.getParameterList().getParameters()[parameterIndex].delete();
          final MultiMap<PsiElement, String> conflicts = new MultiMap<>();
          ConflictsUtil.checkMethodConflicts(containingClass, method, methodCopy, conflicts);
          return (Collection<String>) conflicts.values();
        }
      }
    }
    return null;
  }
Пример #5
0
  private void doMoveMethod(PsiSubstitutor substitutor, MemberInfo info) {
    PsiElementFactory elementFactory = JavaPsiFacade.getElementFactory(myProject);
    PsiMethod method = (PsiMethod) 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;
        }
      }
    }
    PsiMethod methodCopy = (PsiMethod) method.copy();
    Language language = myTargetSuperClass.getLanguage();
    final PsiMethod superClassMethod = myTargetSuperClass.findMethodBySignature(methodCopy, false);
    if (superClassMethod != null && superClassMethod.findDeepestSuperMethods().length == 0
        || method.findSuperMethods(myTargetSuperClass).length == 0) {
      deleteOverrideAnnotationIfFound(methodCopy);
    }
    boolean isOriginalMethodAbstract =
        method.hasModifierProperty(PsiModifier.ABSTRACT)
            || method.hasModifierProperty(PsiModifier.DEFAULT);
    boolean isOriginalMethodPrototype =
        method instanceof HaxeFunctionPrototypeDeclarationWithAttributes;
    if (myIsTargetInterface || info.isToAbstract()) {
      ChangeContextUtil.clearContextInfo(method);

      if (!info.isToAbstract()
          && !method.hasModifierProperty(PsiModifier.ABSTRACT)
          && PsiUtil.isLanguageLevel8OrHigher(myTargetSuperClass)) {
        // pull as default
        RefactoringUtil.makeMethodDefault(methodCopy);
        isOriginalMethodAbstract = true;
      } else {
        RefactoringUtil.makeMethodAbstract(myTargetSuperClass, methodCopy);
      }

      RefactoringUtil.replaceMovedMemberTypeParameters(
          methodCopy, PsiUtil.typeParametersIterable(mySourceClass), substitutor, elementFactory);

      myJavaDocPolicy.processCopiedJavaDoc(
          methodCopy.getDocComment(), method.getDocComment(), isOriginalMethodAbstract);

      final PsiMember movedElement;
      if (superClassMethod != null && superClassMethod.hasModifierProperty(PsiModifier.ABSTRACT)) {
        movedElement =
            (PsiMember) superClassMethod.replace(convertMethodToLanguage(methodCopy, language));
      } else {
        methodCopy =
            HaxeElementGenerator.createFunctionPrototypeDeclarationWithAttributes(
                myProject, methodCopy.getText().trim() + ";");

        movedElement =
            anchor != null
                ? (PsiMember) myTargetSuperClass.addBefore(methodCopy, anchor)
                : (PsiMember)
                    myTargetSuperClass.addBefore(methodCopy, myTargetSuperClass.getRBrace());

        reformat(movedElement);
      }
      CodeStyleSettings styleSettings = CodeStyleSettingsManager.getSettings(method.getProject());
      if (styleSettings.INSERT_OVERRIDE_ANNOTATION) {
        if (PsiUtil.isLanguageLevel5OrHigher(mySourceClass) && !myIsTargetInterface
            || PsiUtil.isLanguageLevel6OrHigher(mySourceClass)) {
          new AddAnnotationFix(Override.class.getName(), method)
              .invoke(method.getProject(), null, mySourceClass.getContainingFile());
        }
      }
      if (!PsiUtil.isLanguageLevel6OrHigher(mySourceClass) && myIsTargetInterface) {
        if (isOriginalMethodAbstract) {
          for (PsiMethod oMethod : OverridingMethodsSearch.search(method)) {
            deleteOverrideAnnotationIfFound(oMethod);
          }
        }
        deleteOverrideAnnotationIfFound(method);
      }
      myMembersAfterMove.add(movedElement);
      // if (isOriginalMethodAbstract) {
      method.delete();
      // }
    } else {
      if (isOriginalMethodAbstract) {
        PsiUtil.setModifierProperty(myTargetSuperClass, PsiModifier.ABSTRACT, true);
      }
      RefactoringUtil.replaceMovedMemberTypeParameters(
          methodCopy, PsiUtil.typeParametersIterable(mySourceClass), substitutor, elementFactory);
      fixReferencesToStatic(methodCopy);

      if (superClassMethod != null && superClassMethod.hasModifierProperty(PsiModifier.ABSTRACT)) {
        superClassMethod.replace(convertMethodToLanguage(methodCopy, language));
      } else {
        final PsiMember movedElement =
            anchor != null
                ? (PsiMember)
                    myTargetSuperClass.addBefore(
                        convertMethodToLanguage(methodCopy, language), anchor)
                : (PsiMember)
                    myTargetSuperClass.addBefore(
                        convertMethodToLanguage(methodCopy, language),
                        myTargetSuperClass.getRBrace());
        reformat(movedElement);
        myMembersAfterMove.add(movedElement);
      }
      method.delete();
    }
  }