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- # Copyright (c) 2020-2021 Rocky Bernstein
- def while1elsestmt(
- self, lhs: str, n: int, rule, ast, tokens: list, first: int, last: int
- ) -> bool:
- if last == n:
- # Adjust for fuzziness in parsing
- last -= 1
- if tokens[last] == "COME_FROM_LOOP":
- last -= 1
- elif tokens[last - 1] == "COME_FROM_LOOP":
- last -= 2
- if tokens[last] in ("JUMP_LOOP", "CONTINUE"):
- # These indicate inside a loop, but token[last]
- # should not be in a loop.
- # FIXME: Not quite right: refine by using target
- return True
- # if SETUP_LOOP target spans the else part, then this is
- # not while1else. Also do for whileTrue?
- last += 1
- # 3.8+ Doesn't have SETUP_LOOP
- return self.version < (3, 8) and tokens[first].attr > tokens[last].off2int()
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