Function findlabels

Lib/dis.py:971–985

Detect all offsets in a byte code which are jump targets. Return the list of offsets.

(code)

            extended_args_offset = 0

def findlabels(code):
    """Detect all offsets in a byte code which are jump targets.

    Return the list of offsets.

    """
    labels = []
    for offset, _, op, arg in _unpack_opargs(code):
        if arg is not None:
            label = _get_jump_target(op, arg, offset)
            if label is None:
                continue
            if label not in labels:
                labels.append(label)
    return labels

def findlinestarts(code):
    """Find the offsets in a byte code which are start of lines in the source.