module GraphQL::Language::Lexer

def self.emit_string(ts, te, meta)
  value = meta[:data][ts...te].pack("c*").force_encoding("UTF-8")
  if value =~ /\\u|\\./ && value !~ ESCAPES
    meta[:tokens] << GraphQL::Language::Token.new(
      name: :BAD_UNICODE_ESCAPE,
      value: value,
      line: meta[:line],
      col: meta[:col],
    )
  else
    replace_escaped_characters_in_place(value)
    meta[:tokens] << GraphQL::Language::Token.new(
      name: :STRING,
      value: value,
      line: meta[:line],
      col: meta[:col],
    )
  end
  meta[:col] += te - ts
end