Class GetElementPtr

mypyc/ir/ops.py:1723–1749

Get the address of a struct element from a pointer to a struct. If you have a struct value, use GetElement instead. Note that you may need to use KeepAlive to avoid the struct being freed, if it's reference counted, such as PyObject *.

@final
class GetElementPtr(RegisterOp):
    """Get the address of a struct element from a pointer to a struct.

    If you have a struct value, use GetElement instead.

    Note that you may need to use KeepAlive to avoid the struct
    being freed, if it's reference counted, such as PyObject *.
    """

    error_kind = ERR_NEVER

    def __init__(self, src: Value, src_type: RType, field: str, line: int = -1) -> None:
        super().__init__(line)
        assert not isinstance(src.type, (RStruct, RVec))
        self.type = pointer_rprimitive
        self.src = src
        self.src_type = src_type
        self.field = field

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

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

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


@final