Class: RBI::Rewriters::NestNonPublicMembers

Inherits:
Visitor
  • Object
show all
Defined in:
lib/rbi/rewriters/nest_non_public_members.rb

Instance Method Summary collapse

Methods inherited from Visitor

#visit_all, #visit_file

Instance Method Details

#visit(node) ⇒ Object

: (Node? node) -> void



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# File 'lib/rbi/rewriters/nest_non_public_members.rb', line 9

def visit(node)
  return unless node

  case node
  when Tree
    public_group = VisibilityGroup.new(Public.new)
    protected_group = VisibilityGroup.new(Protected.new)
    private_group = VisibilityGroup.new(Private.new)

    # Classify children in a single pass, avoiding O(n) Array#delete
    # calls from `detach` in a loop.
    remaining = []
    node.nodes.each do |child|
      visit(child)
      if child.is_a?(Attr) || child.is_a?(Method)
        child.parent_tree = nil
        case child.visibility
        when Protected
          protected_group << child
        when Private
          private_group << child
        else
          public_group << child
        end
      else
        remaining << child
      end
    end

    has_groups = !public_group.empty? || !protected_group.empty? || !private_group.empty?
    if has_groups
      node.nodes.replace(remaining)
      node << public_group unless public_group.empty?
      node << protected_group unless protected_group.empty?
      node << private_group unless private_group.empty?
    end
  end
end