class YARP::LexCompat::Heredoc::PlainHeredoc

the state that the heredoc was opened in.
order back into the token stream and set the state of the last token to
We need to keep them around so that we can insert them in the correct
Heredocs that are no dash or tilde heredocs are just a list of tokens.

def <<(token) 

def <<(token)
  tokens << token
end

def initialize 

def initialize
  @tokens = []
end

def to_a 

def to_a
  tokens
end