Class: RBS::Inline::AST::Members::RubyAttr

Inherits:
RubyBase show all
Defined in:
lib/rbs/inline/ast/members.rb

Instance Attribute Summary collapse

Attributes inherited from Base

#location

Instance Method Summary collapse

Methods inherited from Base

#start_line

Constructor Details

#initialize(node, comments, assertion) ⇒ RubyAttr

Returns a new instance of RubyAttr.



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# File 'lib/rbs/inline/ast/members.rb', line 423

def initialize(node, comments, assertion)
  super(node.location)

  @node = node
  @comments = comments
  @assertion = assertion
end

Instance Attribute Details

#assertion ⇒ Object (readonly)

: Annotations::TypeAssertion?



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# File 'lib/rbs/inline/ast/members.rb', line 417

def assertion
  @assertion
end

#comments ⇒ Object (readonly)

: AnnotationParser::ParsingResult?



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# File 'lib/rbs/inline/ast/members.rb', line 416

def comments
  @comments
end

#node ⇒ Object (readonly)

: Prism::CallNode



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# File 'lib/rbs/inline/ast/members.rb', line 415

def node
  @node
end

Instance Method Details

#attribute_type ⇒ Object

Returns the type of the attribute

Returns ‘untyped` when not annotated.



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# File 'lib/rbs/inline/ast/members.rb', line 479

def attribute_type #: Types::t
  type = assertion&.type
  raise if type.is_a?(MethodType)

  type || Types::Bases::Any.new(location: nil)
end

#rbs ⇒ Object 



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# File 'lib/rbs/inline/ast/members.rb', line 432

def rbs
  if comments
    comment = RBS::AST::Comment.new(string: comments.content(trim: true), location: nil)
  end

  klass =
    case node.name
    when :attr_reader
      RBS::AST::Members::AttrReader
    when :attr_writer
      RBS::AST::Members::AttrWriter
    when :attr_accessor
      RBS::AST::Members::AttrAccessor
    else
      raise
    end

  args = [] #: Array[Symbol]
  if node.arguments
    node.arguments.arguments.each do |arg|
      if arg.is_a?(Prism::SymbolNode)
        value = arg.value or raise
        args << value.to_sym
      end
    end
  end

  unless args.empty?
    args.map do |arg|
      klass.new(
        name: arg,
        type: attribute_type,
        ivar_name: nil,
        kind: :instance,
        annotations: [],
        location: nil,
        comment: comment,
        visibility: nil
      )
    end
  end
end