Module: LanguageServer

Defined in:
lib/language_server.rb,
lib/language_server/project.rb,
lib/language_server/version.rb,
lib/language_server/file_store.rb,
lib/language_server/project/node.rb,
lib/language_server/linter/ruby_wc.rb,
lib/language_server/project/parser.rb,
lib/language_server/protocol/stdio/reader.rb,
lib/language_server/protocol/stdio/writer.rb,
lib/language_server/protocol/interfaces/hover.rb,
lib/language_server/protocol/interfaces/range.rb,
lib/language_server/completion_provider/ad_hoc.rb,
lib/language_server/protocol/interfaces/command.rb,
lib/language_server/protocol/interfaces/message.rb,
lib/language_server/protocol/interfaces/location.rb,
lib/language_server/protocol/interfaces/position.rb,
lib/language_server/protocol/interfaces/code_lens.rb,
lib/language_server/protocol/interfaces/text_edit.rb,
lib/language_server/completion_provider/rcodetools.rb,
lib/language_server/protocol/constants/error_codes.rb,
lib/language_server/protocol/constants/symbol_kind.rb,
lib/language_server/protocol/interfaces/diagnostic.rb,
lib/language_server/protocol/interfaces/file_event.rb,
lib/language_server/protocol/constants/message_type.rb,
lib/language_server/protocol/interfaces/registration.rb,
lib/language_server/protocol/interfaces/save_options.rb,
lib/language_server/protocol/interfaces/cancel_params.rb,
lib/language_server/protocol/interfaces/document_link.rb,
lib/language_server/protocol/interfaces/rename_params.rb,
lib/language_server/protocol/interfaces/response_error.rb,
lib/language_server/protocol/interfaces/signature_help.rb,
lib/language_server/protocol/interfaces/unregistration.rb,
lib/language_server/protocol/interfaces/workspace_edit.rb,
lib/language_server/protocol/constants/file_change_type.rb,
lib/language_server/protocol/constants/initialize_error.rb,
lib/language_server/protocol/interfaces/completion_item.rb,
lib/language_server/protocol/interfaces/completion_list.rb,
lib/language_server/protocol/interfaces/document_filter.rb,
lib/language_server/protocol/interfaces/request_message.rb,
lib/language_server/protocol/interfaces/code_lens_params.rb,
lib/language_server/protocol/interfaces/initialize_error.rb,
lib/language_server/protocol/interfaces/reference_params.rb,
lib/language_server/protocol/interfaces/response_message.rb,
lib/language_server/protocol/constants/insert_text_format.rb,
lib/language_server/protocol/interfaces/code_lens_options.rb,
lib/language_server/protocol/interfaces/initialize_params.rb,
lib/language_server/protocol/interfaces/initialize_result.rb,
lib/language_server/protocol/interfaces/reference_context.rb,
lib/language_server/protocol/constants/diagnostic_severity.rb,
lib/language_server/protocol/interfaces/code_action_params.rb,
lib/language_server/protocol/interfaces/completion_options.rb,
lib/language_server/protocol/interfaces/document_highlight.rb,
lib/language_server/protocol/interfaces/formatting_options.rb,
lib/language_server/protocol/interfaces/log_message_params.rb,
lib/language_server/protocol/interfaces/symbol_information.rb,
lib/language_server/protocol/interfaces/text_document_edit.rb,
lib/language_server/protocol/interfaces/text_document_item.rb,
lib/language_server/protocol/constants/completion_item_kind.rb,
lib/language_server/protocol/interfaces/client_capabilities.rb,
lib/language_server/protocol/interfaces/code_action_context.rb,
lib/language_server/protocol/interfaces/message_action_item.rb,
lib/language_server/protocol/interfaces/registration_params.rb,
lib/language_server/protocol/interfaces/server_capabilities.rb,
lib/language_server/protocol/interfaces/show_message_params.rb,
lib/language_server/protocol/interfaces/document_link_params.rb,
lib/language_server/protocol/interfaces/notification_message.rb,
lib/language_server/protocol/interfaces/document_link_options.rb,
lib/language_server/protocol/interfaces/parameter_information.rb,
lib/language_server/protocol/interfaces/signature_information.rb,
lib/language_server/protocol/interfaces/unregistration_params.rb,
lib/language_server/protocol/constants/document_highlight_kind.rb,
lib/language_server/protocol/constants/text_document_sync_kind.rb,
lib/language_server/protocol/interfaces/document_symbol_params.rb,
lib/language_server/protocol/interfaces/execute_command_params.rb,
lib/language_server/protocol/interfaces/signature_help_options.rb,
lib/language_server/protocol/interfaces/execute_command_options.rb,
lib/language_server/protocol/interfaces/workspace_symbol_params.rb,
lib/language_server/protocol/constants/text_document_save_reason.rb,
lib/language_server/protocol/interfaces/text_document_identifier.rb,
lib/language_server/protocol/interfaces/document_formatting_params.rb,
lib/language_server/protocol/interfaces/publish_diagnostics_params.rb,
lib/language_server/protocol/interfaces/text_document_sync_options.rb,
lib/language_server/protocol/interfaces/apply_workspace_edit_params.rb,
lib/language_server/protocol/interfaces/show_message_request_params.rb,
lib/language_server/protocol/interfaces/workspace_client_capabilites.rb,
lib/language_server/protocol/interfaces/apply_workspace_edit_response.rb,
lib/language_server/protocol/interfaces/did_open_text_document_params.rb,
lib/language_server/protocol/interfaces/did_save_text_document_params.rb,
lib/language_server/protocol/interfaces/text_document_position_params.rb,
lib/language_server/protocol/interfaces/code_lens_registration_options.rb,
lib/language_server/protocol/interfaces/did_close_text_document_params.rb,
lib/language_server/protocol/interfaces/will_save_text_document_params.rb,
lib/language_server/protocol/interfaces/completion_registration_options.rb,
lib/language_server/protocol/interfaces/did_change_configuration_params.rb,
lib/language_server/protocol/interfaces/did_change_text_document_params.rb,
lib/language_server/protocol/interfaces/did_change_watched_files_params.rb,
lib/language_server/protocol/interfaces/document_range_formatting_params.rb,
lib/language_server/protocol/interfaces/text_document_client_capabilities.rb,
lib/language_server/protocol/interfaces/document_link_registration_options.rb,
lib/language_server/protocol/interfaces/document_on_type_formatting_params.rb,
lib/language_server/protocol/interfaces/text_document_content_change_event.rb,
lib/language_server/protocol/interfaces/text_document_registration_options.rb,
lib/language_server/protocol/interfaces/versioned_text_document_identifier.rb,
lib/language_server/protocol/interfaces/document_on_type_formatting_options.rb,
lib/language_server/protocol/interfaces/signature_help_registration_options.rb,
lib/language_server/protocol/interfaces/execute_command_registration_options.rb,
lib/language_server/protocol/interfaces/text_document_save_registration_options.rb,
lib/language_server/protocol/interfaces/text_document_change_registration_options.rb,
lib/language_server/protocol/interfaces/document_on_type_formatting_registration_options.rb

Defined Under Namespace

Modules: CompletionProvider, Linter, Protocol Classes: FileStore, Project

Constant Summary collapse

VERSION = 
"0.4.0"

Class Method Summary collapse

Class Method Details

.logger ⇒ Object 



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# File 'lib/language_server.rb', line 16

def logger
  @logger ||= Logger.new(STDERR)
end

.on(method, &callback) ⇒ Object 



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# File 'lib/language_server.rb', line 55

def on(method, &callback)
  subscribers[method] = callback
end

.run ⇒ Object 



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# File 'lib/language_server.rb', line 20

def run
  writer = Protocol::Stdio::Writer.new
  reader = Protocol::Stdio::Reader.new
  variables = {}

  reader.read do |request|
    method = request[:method].to_sym

    logger.debug("Method: #{method} called")

    _, subscriber = subscribers.find {|k, _|
      k === method
    }

    if subscriber
      keys = subscriber.parameters.map(&:last)
      result = subscriber.call(
        {
          request: request, notifier: writer.method(:notify), variables: variables
        }.merge(variables).select {|k, _| keys.include?(k) }
      )

      if request[:id]
        writer.respond(id: request[:id], result: result)
      end
    else
      logger.debug("Ignore: #{method}")
    end
  end
end

.subscribers ⇒ Object 



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# File 'lib/language_server.rb', line 51

def subscribers
  @subscribers ||= {}
end