How to use the asttokens.util.match_token function in asttokens

def _gobble_parens(self, first_token, last_token, include_all=False):
    # Expands a range of tokens to include one or all pairs of surrounding parentheses, and
    # returns (first, last) tokens that include these parens.
    while first_token.index > 0:
      prev = self._code.prev_token(first_token)
      next = self._code.next_token(last_token)
      if util.match_token(prev, token.OP, '(') and util.match_token(next, token.OP, ')'):
        first_token, last_token = prev, next
        if include_all:
          continue
      break
    return (first_token, last_token)

def get_text_range(self, node):
    """
    After mark_tokens() has been called, returns the (startpos, endpos) positions in source text
    corresponding to the given node. Returns (0, 0) for nodes (like `Load`) that don't correspond
    to any particular text.
    """
    if not hasattr(node, 'first_token'):
      return (0, 0)

    start = node.first_token.startpos
    if any(match_token(t, token.NEWLINE) for t in self.get_tokens(node)):
      # Multi-line nodes would be invalid unless we keep the indentation of the first node.
      start = self._text.rfind('\n', 0, start) + 1

    return (start, node.last_token.endpos)

def handle_str(self, first_token, last_token):
    # Multiple adjacent STRING tokens form a single string.
    last = self._code.next_token(last_token)
    while util.match_token(last, token.STRING):
      last_token = last
      last = self._code.next_token(last_token)
    return (first_token, last_token)

tok_info = tok[:2]
      if to_match_right and tok_info == to_match_right[-1]:
        to_match_right.pop()
      elif tok_info in _matching_pairs_left:
        to_match_right.append(_matching_pairs_left[tok_info])
      elif tok_info in _matching_pairs_right:
        to_match_left.append(_matching_pairs_right[tok_info])

    # Once done, extend `last_token` to match any unclosed parens/braces.
    for match in reversed(to_match_right):
      last = self._code.next_token(last_token)
      # Allow for trailing commas or colons (allowed in subscripts) before the closing delimiter
      while any(util.match_token(last, token.OP, x) for x in (',', ':')):
        last = self._code.next_token(last)
      # Now check for the actual closing delimiter.
      if util.match_token(last, *match):
        last_token = last

    # And extend `first_token` to match any unclosed opening parens/braces.
    for match in to_match_left:
      first = self._code.prev_token(first_token)
      if util.match_token(first, *match):
        first_token = first

    return (first_token, last_token)

def handle_bare_tuple(self, node, first_token, last_token):
    # A bare tuple doesn't include parens; if there is a trailing comma, make it part of the tuple.
    maybe_comma = self._code.next_token(last_token)
    if util.match_token(maybe_comma, token.OP, ','):
      last_token = maybe_comma
    return (first_token, last_token)

to_match_left.append(_matching_pairs_right[tok_info])

    # Once done, extend `last_token` to match any unclosed parens/braces.
    for match in reversed(to_match_right):
      last = self._code.next_token(last_token)
      # Allow for trailing commas or colons (allowed in subscripts) before the closing delimiter
      while any(util.match_token(last, token.OP, x) for x in (',', ':')):
        last = self._code.next_token(last)
      # Now check for the actual closing delimiter.
      if util.match_token(last, *match):
        last_token = last

    # And extend `first_token` to match any unclosed opening parens/braces.
    for match in to_match_left:
      first = self._code.prev_token(first_token)
      if util.match_token(first, *match):
        first_token = first

    return (first_token, last_token)