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# -*- coding: utf-8 -*-
from types import ModuleType
from typing import (
TypeVar, Type, Tuple, List, Dict, Iterator, Collection, Callable, Optional, FrozenSet, Any,
Pattern as REPattern,
)
from abc import abstractmethod, ABC
_T = TypeVar('_T')
class Pattern(ABC):
value: str
flags: Collection[str]
raw: str
type: str
def __init__(self, value: str, flags: Collection[str] = (), raw: str = None) -> None:
...
@abstractmethod
def to_regexp(self) -> str:
...
@property
@abstractmethod
def min_width(self) -> int:
...
@property
@abstractmethod
def max_width(self) -> int:
...
class PatternStr(Pattern):
type: str = ...
def to_regexp(self) -> str:
...
@property
def min_width(self) -> int:
...
@property
def max_width(self) -> int:
...
class PatternRE(Pattern):
type: str = ...
def to_regexp(self) -> str:
...
@property
def min_width(self) -> int:
...
@property
def max_width(self) -> int:
...
class TerminalDef:
name: str
pattern: Pattern
priority: int
def __init__(self, name: str, pattern: Pattern, priority: int = ...) -> None:
...
def user_repr(self) -> str: ...
class Token(str):
type: str
start_pos: int
value: Any
line: int
column: int
end_line: int
end_column: int
end_pos: int
def __init__(self, type_: str, value: Any, start_pos: int = None, line: int = None, column: int = None, end_line: int = None, end_column: int = None, end_pos: int = None) -> None:
...
def update(self, type_: Optional[str] = None, value: Optional[Any] = None) -> Token:
...
@classmethod
def new_borrow_pos(cls: Type[_T], type_: str, value: Any, borrow_t: Token) -> _T:
...
_Callback = Callable[[Token], Token]
class Lexer(ABC):
lex: Callable[..., Iterator[Token]]
class LexerConf:
tokens: Collection[TerminalDef]
re_module: ModuleType
ignore: Collection[str] = ()
postlex: Any =None
callbacks: Optional[Dict[str, _Callback]] = None
g_regex_flags: int = 0
skip_validation: bool = False
use_bytes: bool = False
class TraditionalLexer(Lexer):
terminals: Collection[TerminalDef]
ignore_types: FrozenSet[str]
newline_types: FrozenSet[str]
user_callbacks: Dict[str, _Callback]
callback: Dict[str, _Callback]
mres: List[Tuple[REPattern, Dict[int, str]]]
re: ModuleType
def __init__(
self,
conf: LexerConf
) -> None:
...
def build(self) -> None:
...
def match(self, stream: str, pos: int) -> Optional[Tuple[str, str]]:
...
def lex(self, stream: str) -> Iterator[Token]:
...
def next_token(self, lex_state: Any, parser_state: Any = None) -> Token:
...
class ContextualLexer(Lexer):
lexers: Dict[str, TraditionalLexer]
root_lexer: TraditionalLexer
def __init__(
self,
terminals: Collection[TerminalDef],
states: Dict[str, Collection[str]],
re_: ModuleType,
ignore: Collection[str] = ...,
always_accept: Collection[str] = ...,
user_callbacks: Dict[str, _Callback] = ...,
g_regex_flags: int = ...
) -> None:
...
def lex(self, stream: str, get_parser_state: Callable[[], str]) -> Iterator[Token]:
...
|
