Class: RubyLsp::Listeners::InlayHints

Inherits:
Object
  • Object
show all
Includes:
Requests::Support::Common
Defined in:
lib/ruby_lsp/listeners/inlay_hints.rb

Constant Summary collapse

RESCUE_STRING_LENGTH =

: Integer

"rescue".length

Instance Method Summary collapse

Methods included from Requests::Support::Common

#categorized_markdown_from_index_entries, #constant_name, #create_code_lens, #each_constant_path_part, #kind_for_entry, #markdown_from_index_entries, #namespace_constant_name, #not_in_dependencies?, #range_from_location, #range_from_node, #self_receiver?

Constructor Details

#initialize(global_state, response_builder, dispatcher) ⇒ InlayHints

: (GlobalState, ResponseBuilders::CollectionResponseBuilder, Prism::Dispatcher) -> void



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# File 'lib/ruby_lsp/listeners/inlay_hints.rb', line 12

def initialize(global_state, response_builder, dispatcher)
  @response_builder = response_builder
  @hints_configuration = ( # rubocop:disable Style/RedundantParentheses
    global_state.feature_configuration(:inlayHint) #: as !nil
  ) #: RequestConfig

  dispatcher.register(self, :on_rescue_node_enter, :on_implicit_node_enter)
end

Instance Method Details

#on_implicit_node_enter(node) ⇒ Object

: (Prism::ImplicitNode node) -> void



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# File 'lib/ruby_lsp/listeners/inlay_hints.rb', line 37

def on_implicit_node_enter(node)
  return unless @hints_configuration.enabled?(:implicitHashValue)

  node_value = node.value
  loc = node.location
  tooltip = ""
  node_name = ""
  case node_value
  when Prism::CallNode
    node_name = node_value.name
    tooltip = "This is a method call. Method name: #{node_name}"
  when Prism::ConstantReadNode
    node_name = node_value.name
    tooltip = "This is a constant: #{node_name}"
  when Prism::LocalVariableReadNode
    node_name = node_value.name
    tooltip = "This is a local variable: #{node_name}"
  end

  @response_builder << Interface::InlayHint.new(
    position: { line: loc.start_line - 1, character: loc.start_column + node_name.length + 1 },
    label: node_name,
    padding_left: true,
    tooltip: tooltip,
  )
end

#on_rescue_node_enter(node) ⇒ Object

: (Prism::RescueNode node) -> void



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# File 'lib/ruby_lsp/listeners/inlay_hints.rb', line 22

def on_rescue_node_enter(node)
  return unless @hints_configuration.enabled?(:implicitRescue)
  return unless node.exceptions.empty?

  loc = node.location

  @response_builder << Interface::InlayHint.new(
    position: { line: loc.start_line - 1, character: loc.start_column + RESCUE_STRING_LENGTH },
    label: "StandardError",
    padding_left: true,
    tooltip: "StandardError is implied in a bare rescue",
  )
end