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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 < BaseRequest
RESCUE_STRING_LENGTH = T.let("rescue".length, Integer)
sig { params(document: Document, range: T::Range[Integer]).void }
def initialize(document, range)
super(document)
@hints = T.let([], T::Array[LanguageServer::Protocol::Interface::InlayHint])
@range = range
end
sig { override.returns(T.all(T::Array[LanguageServer::Protocol::Interface::InlayHint], Object)) }
def run
visit(@document.tree) if @document.parsed?
@hints
end
sig { override.params(node: SyntaxTree::Rescue).void }
def visit_rescue(node)
return unless node.exception.nil?
loc = node.location
return unless visible?(node, @range)
@hints << LanguageServer::Protocol::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",
)
super
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems