static ModelElement? _fromParameters()

in lib/src/model/model_element.dart [294:380]
86 lines of code
27 McCabe index (conditional complexity)

  static ModelElement? _fromParameters(
      Element e, Library? library, PackageGraph packageGraph,
      {Container? enclosingContainer, Member? originalMember}) {
    if (e is MultiplyInheritedExecutableElement) {
      return resolveMultiplyInheritedElement(
          e, library, packageGraph, enclosingContainer as Class);
    }
    assert(e is! MultiplyDefinedElement);
    if (e is LibraryElement) {
      return packageGraph.findButDoNotCreateLibraryFor(e);
    }
    if (e is PrefixElement) {
      return Prefix(e, library, packageGraph);
    }
    if (e is ClassElement) {
      if (e.isMixin) {
        return Mixin(e, library, packageGraph);
      } else if (e.isEnum) {
        return Enum(e, library, packageGraph);
      } else {
        return Class(e, library, packageGraph);
      }
    }
    if (e is ExtensionElement) {
      return Extension(e, library!, packageGraph);
    }
    if (e is FunctionElement) {
      return ModelFunction(e, library, packageGraph);
    } else if (e is GenericFunctionTypeElement) {
      assert(e.enclosingElement is TypeAliasElement);
      assert(e.enclosingElement!.name != '');
      return ModelFunctionTypedef(e, library, packageGraph);
    }
    if (e is TypeAliasElement) {
      if (e.aliasedType is FunctionType) {
        return FunctionTypedef(e, library, packageGraph);
      }
      if (e.aliasedType.element is ClassElement) {
        return ClassTypedef(e, library, packageGraph);
      }
      return GeneralizedTypedef(e, library, packageGraph);
    }
    if (e is ConstructorElement) {
      return Constructor(e, library, packageGraph);
    }
    if (e is MethodElement && e.isOperator) {
      if (enclosingContainer == null) {
        return Operator(e, library, packageGraph);
      } else {
        return Operator.inherited(e, enclosingContainer, library, packageGraph,
            originalMember: originalMember);
      }
    }
    if (e is MethodElement && !e.isOperator) {
      if (enclosingContainer == null) {
        return Method(e, library, packageGraph);
      } else {
        return Method.inherited(e, enclosingContainer, library, packageGraph,
            originalMember: originalMember as ExecutableMember?);
      }
    }
    if (e is PropertyAccessorElement) {
      // Accessors can be part of a [Container], or a part of a [Library].
      if (e.enclosingElement is ClassElement ||
          e.enclosingElement is ExtensionElement ||
          e is MultiplyInheritedExecutableElement) {
        if (enclosingContainer == null) {
          return ContainerAccessor(e, library, packageGraph);
        } else {
          assert(e.enclosingElement is! ExtensionElement);
          return ContainerAccessor.inherited(
              e, library, packageGraph, enclosingContainer,
              originalMember: originalMember as ExecutableMember?);
        }
      } else {
        return Accessor(e, library, packageGraph);
      }
    }
    if (e is TypeParameterElement) {
      return TypeParameter(e, library, packageGraph);
    }
    if (e is ParameterElement) {
      return Parameter(e, library, packageGraph,
          originalMember: originalMember as ParameterMember?);
    }
    throw 'Unknown type ${e.runtimeType}';
  }