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from __future__ import annotations
from collections.abc import Callable
from typing import NamedTuple
from .parserconfig import ( # re-export from legacy
ParserConfig,
UndefinedStr,
_undefined_str,
)
# package
from .tokenizing import Tokenizer
assert ParserConfig and UndefinedStr and _undefined_str # type: ignore
class Alert(NamedTuple):
level: int = 1
message: str = ''
class ParseInfo(NamedTuple):
tokenizer: Tokenizer
rule: str
pos: int
endpos: int
line: int
endline: int
alerts: list[Alert] = [] # noqa: RUF012
def text_lines(self) -> list[str]:
return self.tokenizer.get_lines(self.line, self.endline)
def line_index(self):
return self.tokenizer.line_index(self.line, self.endline)
@property
def buffer(self):
return self.tokenizer
class RuleInfo(NamedTuple):
name: str
impl: Callable
is_leftrec: bool
is_memoizable: bool
is_name: bool
params: list | tuple
kwparams: dict
def __hash__(self):
return hash(self.name)
def __eq__(self, other):
if isinstance(other, RuleInfo):
return self.name == other.name
return False
def __ne__(self, other):
return not self.__eq__(other)
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