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_file_in_path

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)
    project = Project.new()

    signature_dirs.each do |path|
      each_file_in_path(".rbi", path) do |file_path|
        file = Project::SignatureFile.new(path: file_path)
        file.content = file_path.read
        project.signature_files[file_path] = file
      end
    end

    project.reload_signature

    case sig = project.signature
    when Project::SignatureLoaded
      begin
        check = sig.check
        interface = check.resolve(type)

        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
        0
      rescue Steep::Subtyping::Check::CannotResolveError
        stderr.puts "🤔 #{Rainbow(type.to_s).red} cannot be resolved to interface"
        1
      end

    when Project::SignatureHasError
      sig.errors.each do |error|
        case error
        when Interface::Instantiated::InvalidMethodOverrideError
          stdout.puts "😱 #{error.message}"
          error.result.trace.each do |s, t|
            case s
            when Interface::Method
              stdout.puts "  #{s.name}(#{s.type_name}) <: #{t.name}(#{t.type_name})"
            when Interface::MethodType
              stdout.puts "  #{s} <: #{t} (#{s.location&.name||"?"}:#{s.location&.start_line||"?"})"
            else
              stdout.puts "  #{s} <: #{t}"
            end
          end
          stdout.puts "  🚨 #{error.result.error.message}"
        when Interface::Instantiated::InvalidIvarOverrideError
          stdout.puts "😱 #{error.message}"
        else
          stdout.puts "😱 #{error.inspect}"
        end
      end

      1
    end
  else
    stderr.puts "Pass a type name to command line"
    1
  end
end