Class TupleSet

mypyc/ir/ops.py:1049–1078

dest = (reg, ...) (for fixed-length tuple)

@final
class TupleSet(RegisterOp):
    """dest = (reg, ...) (for fixed-length tuple)"""

    error_kind = ERR_NEVER

    def __init__(self, items: list[Value], line: int) -> None:
        super().__init__(line)
        self.items = items
        # Don't keep track of the fact that an int is short after it
        # is put into a tuple, since we don't properly implement
        # runtime subtyping for tuples.
        self.tuple_type = RTuple(
            [
                arg.type if not is_short_int_rprimitive(arg.type) else int_rprimitive
                for arg in items
            ]
        )
        self.type = self.tuple_type

    def sources(self) -> list[Value]:
        return self.items.copy()

    def stolen(self) -> list[Value]:
        return self.items.copy()

    def set_sources(self, new: list[Value]) -> None:
        self.items = new[:]

    def accept(self, visitor: OpVisitor[T]) -> T:
        return visitor.visit_tuple_set(self)


@final