1  from lib2to3.pgen2.grammar import _DFAS, Grammar
   2  from lib2to3.pytree import _NL, _Convert, _RawNode
   3  from typing import Any, List, Optional, Sequence, Set, Text, Tuple
   4  
   5  _Context = Sequence[Any]
   6  
   7  class ParseError(Exception):
   8      msg: Text
   9      type: int
  10      value: Optional[Text]
  11      context: _Context
  12      def __init__(self, msg: Text, type: int, value: Optional[Text], context: _Context) -> None: ...
  13  
  14  class Parser:
  15      grammar: Grammar
  16      convert: _Convert
  17      stack: List[Tuple[_DFAS, int, _RawNode]]
  18      rootnode: Optional[_NL]
  19      used_names: Set[Text]
  20      def __init__(self, grammar: Grammar, convert: Optional[_Convert] = ...) -> None: ...
  21      def setup(self, start: Optional[int] = ...) -> None: ...
  22      def addtoken(self, type: int, value: Optional[Text], context: _Context) -> bool: ...
  23      def classify(self, type: int, value: Optional[Text], context: _Context) -> int: ...
  24      def shift(self, type: int, value: Optional[Text], newstate: int, context: _Context) -> None: ...
  25      def push(self, type: int, newdfa: _DFAS, newstate: int, context: _Context) -> None: ...
  26      def pop(self) -> None: ...
  27