Class: Steep::Drivers::PrintInterface

Inherits:
Object
  • Object
show all
Includes:
Utils::EachSignature
Defined in:
lib/steep/drivers/print_interface.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Utils::EachSignature

#each_file_in_dir, #each_ruby_file, #each_ruby_source, #each_signature

Constructor Details

#initialize(type_name:, signature_dirs:, stdout:, stderr:) ⇒ PrintInterface

Returns a new instance of PrintInterface.



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# File 'lib/steep/drivers/print_interface.rb', line 11

def initialize(type_name:, signature_dirs:, stdout:, stderr:)
  @type_name = type_name
  @signature_dirs = signature_dirs
  @stdout = stdout
  @stderr = stderr
end

Instance Attribute Details

#signature_dirs ⇒ Object (readonly)

Returns the value of attribute signature_dirs.



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# File 'lib/steep/drivers/print_interface.rb', line 5

def signature_dirs
  @signature_dirs
end

#stderr ⇒ Object (readonly)

Returns the value of attribute stderr.



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# File 'lib/steep/drivers/print_interface.rb', line 7

def stderr
  @stderr
end

#stdout ⇒ Object (readonly)

Returns the value of attribute stdout.



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# File 'lib/steep/drivers/print_interface.rb', line 6

def stdout
  @stdout
end

#type_name ⇒ Object (readonly)

Returns the value of attribute type_name.



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# File 'lib/steep/drivers/print_interface.rb', line 4

def type_name
  @type_name
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/steep/drivers/print_interface.rb', line 18

def run
  if type_name
    type = Parser.parse_type(type_name)

    env = AST::Signature::Env.new

    each_signature(signature_dirs, false) do |signature|
      env.add signature
    end

    begin
      builder = Interface::Builder.new(signatures: env)
      check = Subtyping::Check.new(builder: builder)

      interface = check.resolve(type, with_initialize: true)

      stdout.puts "#{type}"
      stdout.puts "- Instance variables:"
      interface.ivars.each do |name, type|
        puts "  - #{name}: #{type}"
      end
      stdout.puts "- Methods:"
      interface.methods.each do |name, method|
        puts "  - #{Rainbow(name).blue}:"
        method.types.each do |method_type|
          loc = if method_type.location
                  "#{method_type.location.buffer.name}:#{method_type.location.to_s}"
                else
                  "no location"
                end
          puts "    - #{Rainbow(method_type.to_s).red} (#{loc})"
        end
      end
    rescue Steep::Subtyping::Check::CannotResolveError
      stderr.puts "🤔 #{Rainbow(type.to_s).red} cannot be resolved to interface"
    end
  else
    stderr.puts "Pass a type name to command line"
  end
end