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Contents
# typed: strict
# frozen_string_literal: true
module RubyLsp
module Requests
# 
#
# [Inlay hints](https://microsoft.github.io/language-server-protocol/specification#textDocument_inlayHint)
# are labels added directly in the code that explicitly show the user something that might
# otherwise just be implied.
#
# # Example
#
# ```ruby
# begin
# puts "do something that might raise"
# rescue # Label "StandardError" goes here as a bare rescue implies rescuing StandardError
# puts "handle some rescue"
# end
# ```
class InlayHints < Listener
extend T::Sig
extend T::Generic
ResponseType = type_member { { fixed: T::Array[Interface::InlayHint] } }
RESCUE_STRING_LENGTH = T.let("rescue".length, Integer)
sig { override.returns(ResponseType) }
attr_reader :_response
sig { params(range: T::Range[Integer], dispatcher: Prism::Dispatcher, message_queue: Thread::Queue).void }
def initialize(range, dispatcher, message_queue)
super(dispatcher, message_queue)
@_response = T.let([], ResponseType)
@range = range
dispatcher.register(self, :on_rescue_node_enter)
end
sig { params(node: Prism::RescueNode).void }
def on_rescue_node_enter(node)
return unless node.exceptions.empty?
loc = node.location
return unless visible?(node, @range)
@_response << 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
end
end
end
Version data entries
10 entries across 10 versions & 2 rubygems