DeCarabas/lrparsers
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Some small tweaks

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This commit is contained in:
John Doty 2024-08-30 09:04:18 -07:00
parent 80d932b36a
commit 2d87207b54
1 changed files with 3 additions and 2 deletions
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5
parser/parser.py
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@ -1623,7 +1623,7 @@ class Terminal(Rule):
yield [self] yield [self]
def __repr__(self) -> str: def __repr__(self) -> str:
return self.name or "???" return self.name or "<Unknown terminal>"
class NonTerminal(Rule): class NonTerminal(Rule):
@ -2064,6 +2064,7 @@ UNICODE_MAX_CP = 1114112
@dataclasses.dataclass @dataclasses.dataclass
class ReSet(Re): class ReSet(Re):
values: list[Span] values: list[Span]
inversion: bool = False # No semantic meaning, just pretty.
@classmethod @classmethod
def from_ranges(cls, *args: str | tuple[str, str]) -> "ReSet": def from_ranges(cls, *args: str | tuple[str, str]) -> "ReSet":
@ -2100,7 +2101,7 @@ class ReSet(Re):
assert lower < upper assert lower < upper
spans.append(Span(lower, upper)) spans.append(Span(lower, upper))
return ReSet(spans) return ReSet(spans, inversion=not self.inversion)
def __invert__(self) -> "ReSet": def __invert__(self) -> "ReSet":
return self.invert() return self.invert()