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gh-107901: add the HAS_EVAL_BREAK instruction flag (#108375)

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Irit Katriel 2023-08-25 19:33:59 +01:00 • committed by GitHub
parent 5a25daa512
commit 5f41376e93
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3 changed files with 28 additions and 21 deletions
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10
Tools/cases_generator/flags.py
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@ -3,6 +3,7 @@ import dataclasses
from formatting import Formatter
import lexer as lx
import parsing
from typing import AbstractSet
@dataclasses.dataclass
@ -15,6 +16,7 @@ class InstructionFlags:
HAS_JUMP_FLAG: bool
HAS_FREE_FLAG: bool
HAS_LOCAL_FLAG: bool
HAS_EVAL_BREAK_FLAG: bool
def __post_init__(self) -> None:
self.bitmask = {name: (1 << i) for i, name in enumerate(self.names())}
@ -37,11 +39,12 @@ class InstructionFlags:
variable_used(instr, "GETLOCAL") or variable_used(instr, "SETLOCAL")
)
and not has_free,
HAS_EVAL_BREAK_FLAG=variable_used(instr, "CHECK_EVAL_BREAKER"),
)
@staticmethod
def newEmpty() -> "InstructionFlags":
return InstructionFlags(False, False, False, False, False, False)
return InstructionFlags(False, False, False, False, False, False, False)
def add(self, other: "InstructionFlags") -> None:
for name, value in dataclasses.asdict(other).items():
@ -53,10 +56,11 @@ class InstructionFlags:
return list(dataclasses.asdict(self).keys())
return [n for n, v in dataclasses.asdict(self).items() if v == value]
def bitmap(self) -> int:
def bitmap(self, ignore: AbstractSet[str] = frozenset()) -> int:
flags = 0
assert all(hasattr(self, name) for name in ignore)
for name in self.names():
if getattr(self, name):
if getattr(self, name) and name not in ignore:
flags |= self.bitmask[name]
return flags