SyntaxSuggest::LexValue#set_kw_end

# File tmp/rubies/ruby-4.0.0/lib/syntax_suggest/lex_value.rb, line 27
        def set_kw_end(last_lex)
  @is_end = false
  @is_kw = false
  return if type != :on_kw

  return if last_lex && last_lex.fname? # https://github.com/ruby/ruby/commit/776759e300e4659bb7468e2b97c8c2d4359a2953

  case token
  when "if", "unless", "while", "until"
    # Only count if/unless when it's not a "trailing" if/unless
    # https://github.com/ruby/ruby/blob/06b44f819eb7b5ede1ff69cecb25682b56a1d60c/lib/irb/ruby-lex.rb#L374-L375
    @is_kw = true unless expr_label?
  when "def", "case", "for", "begin", "class", "module", "do"
    @is_kw = true
  when "end"
    @is_end = true
  end
end