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getter/setter optics bug fix

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This commit is contained in:
Marcell Vazquez-Chanlatte 2017-10-26 17:46:51 -07:00
parent eda63fd6f0
commit d52fffe826
3 changed files with 15 additions and 45 deletions
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12
stl/utils.py
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@ -37,13 +37,15 @@ def type_pred(*args: List[Type]) -> Mapping[Type, bool]:
return lambda x: type(x) in ast_types
def ast_lens(phi: STL, bind=True, *, pred=None, focus_lens=None) -> Lens:
def ast_lens(phi: STL, bind=True, *, pred=None, focus_lens=None,
getter=False) -> Lens:
if focus_lens is None:
focus_lens = lambda _: [lens]
if pred is None:
pred = lambda _: False
l = lenses.bind(phi) if bind else lens
return l.Fork(*_ast_lens(phi, pred=pred, focus_lens=focus_lens))
child_lenses = _ast_lens(phi, pred=pred, focus_lens=focus_lens)
return (l.Tuple if getter else l.Fork)(*child_lenses)
def _ast_lens(phi: STL, pred, focus_lens) -> Lens:
@ -67,9 +69,9 @@ def _ast_lens(phi: STL, pred, focus_lens) -> Lens:
yield from [l & cl for cl in _ast_lens(l.get()(phi), pred, focus_lens)]
lineq_lens = fn.partial(ast_lens, pred=type_pred(LinEq))
AP_lens = fn.partial(ast_lens, pred=type_pred(stl.ast.AtomicPred))
and_or_lens = fn.partial(ast_lens, pred=type_pred(And, Or))
lineq_lens = fn.partial(ast_lens, pred=type_pred(LinEq), getter=True)
AP_lens = fn.partial(ast_lens, pred=type_pred(stl.ast.AtomicPred), getter=True)
and_or_lens = fn.partial(ast_lens, pred=type_pred(And, Or), getter=True)
def terms_lens(phi: STL, bind: bool = True) -> Lens: