def _(expanding: ExpandingStitchRepeat, available: int) \
-> Generator[KnitError, None, None]:
yield from _verify_counts(to_fixed_repeat(expanding),
available - expanding.to_last.value)
n = (available - expanding.to_last.value) // expanding.consumes
yield from _exactly(n * expanding.consumes,
available - expanding.to_last.value, expanding)
def _(pattern: Pattern, available: Optional[int] = None) -> Node:
counted = infer_counts(to_fixed_repeat(pattern), available)
assert isinstance(counted, RowRepeat)
return replace(pattern,
rows=counted.rows,
consumes=counted.consumes,
produces=counted.produces)
def _(row: Row, available: Optional[int] = None) -> Node:
counted = infer_counts(to_fixed_repeat(row), available)
assert isinstance(counted, FixedStitchRepeat)
return replace(row,
stitches=counted.stitches,
consumes=counted.consumes,
produces=counted.produces)
def _(row: Row, before: int) -> Node:
fixed = _reverse(to_fixed_repeat(row), before)
assert isinstance(fixed, FixedStitchRepeat)
assert fixed.consumes == row.consumes
assert fixed.produces == row.produces
return replace(row,
stitches=fixed.stitches,
side=row.side.flip() if row.side else None)
def _(rep: ExpandingStitchRepeat, available: Optional[int] = None) -> Node:
if available is None:
raise InterpretError("ambiguous use of expanding stitch repeat", rep)
fixed = infer_counts(to_fixed_repeat(rep), available - rep.to_last.value)
assert isinstance(fixed, FixedStitchRepeat)
n = (available - rep.to_last.value) // fixed.consumes
return replace(rep,
stitches=fixed.stitches,
consumes=fixed.consumes * n,
produces=fixed.produces * n)
def _(pattern: Pattern) -> Generator[KnitError, None, None]:
return _verify_make(to_fixed_repeat(pattern))
def _(pattern: Pattern) -> str:
return export_text(to_fixed_repeat(pattern))
def _(rep: ExpandingStitchRepeat) -> str:
stitches = export_text(to_fixed_repeat(rep))
if rep.to_last.value == 0:
return f"*{stitches}; rep from * to end"
else:
return f"*{stitches}; rep from * to last {rep.to_last.value}"
def _(pattern: Pattern) -> Node:
rolled = _roll_repeated_rows(to_fixed_repeat(pattern))
assert isinstance(rolled, RowRepeat)
return replace(pattern, rows=rolled.rows)
def _(row: Row) -> Node:
fixed = _combine_stitches(to_fixed_repeat(row))
assert isinstance(fixed, FixedStitchRepeat)
assert fixed.consumes == row.consumes
assert fixed.produces == row.produces
return replace(row, stitches=fixed.stitches)
def _(pattern: Pattern, side: Side = Side.Right) -> Node:
rep = _alternate_sides(to_fixed_repeat(pattern), side)
assert isinstance(rep, RowRepeat)
assert rep.consumes == pattern.consumes
assert rep.produces == pattern.produces
return replace(pattern, rows=rep.rows)
def _(rep: ExpandingStitchRepeat, before: int) -> Node:
fixed = _reverse(to_fixed_repeat(rep), before)
assert isinstance(fixed, FixedStitchRepeat)
return replace(rep, stitches=fixed.stitches, to_last=NaturalLit.of(before))
def _(pattern: Pattern, unroll: bool = False) -> Node:
flattened = _flatten(to_fixed_repeat(pattern), unroll)
assert isinstance(flattened, RowRepeat)
assert flattened.consumes == pattern.consumes
assert flattened.produces == pattern.produces
return replace(pattern, rows=flattened.rows)
def _(row: Row, unroll: bool = False) -> Node:
flattened = _flatten(to_fixed_repeat(row), unroll)
assert isinstance(flattened, FixedStitchRepeat)
assert flattened.consumes == row.consumes
assert flattened.produces == row.produces
return replace(row, stitches=flattened.stitches)
def _(row: Row, available: int) -> Generator[KnitError, None, None]:
yield from _verify_counts(to_fixed_repeat(row), available)
def _(rep: ExpandingStitchRepeat) -> Node:
fixed = _combine_stitches(to_fixed_repeat(rep))
assert isinstance(fixed, FixedStitchRepeat)
return replace(rep, stitches=fixed.stitches)
def _(pattern: Pattern, available: int) -> Generator[KnitError, None, None]:
yield from _verify_counts(to_fixed_repeat(pattern), available)
def _(pattern: Pattern, acc: int = 0) -> int:
return count_rows(to_fixed_repeat(pattern), acc)
