Class Truncate

mypyc/ir/ops.py:1316–1343

result = truncate src from src_type to dst_type Truncate a value from type with more bits to type with less bits. dst_type and src_type can be native integer types, bools or tagged integers. Tagged integers should have the tag bit unset.

@final
class Truncate(RegisterOp):
    """result = truncate src from src_type to dst_type

    Truncate a value from type with more bits to type with less bits.

    dst_type and src_type can be native integer types, bools or tagged
    integers. Tagged integers should have the tag bit unset.
    """

    error_kind = ERR_NEVER

    def __init__(self, src: Value, dst_type: RType, line: int = -1) -> None:
        super().__init__(line)
        self.src = src
        self.type = dst_type
        self.src_type = src.type

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

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

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

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


@final