code: def __init__(self, source, options):
      self.lexer = Lexer(source)
      self.source = source
      self.options = options
      self.prev_end = 0
      self.token = self.lexer.next_token()
  
imports: from .None import ast
  from ..error import GraphQLSyntaxError
  from .lexer import Lexer, TokenKind, get_token_desc, get_token_kind_desc
  from .source import Source
label_desc: Use image node_id 1 to create a new Parser object from inherited base classes: object with example: obj = Parser(source, options)