base.py 文件源码

def finalize_opcodes(l):

    # Not sure why, but opcode.py address has opcode.EXTENDED_ARG
    # as well as opmap['EXTENDED_ARG']
    l['EXTENDED_ARG'] = l['opmap']['EXTENDED_ARG']

    # In Python 3.6+ this is 8, but we expect
    # those opcodes to set that
    if 'EXTENDED_ARG_SHIFT' not in l:
        l['EXTENDED_ARG_SHIFT'] = 16

    l['ARG_MAX_VALUE'] = (1 << l['EXTENDED_ARG_SHIFT']) - 1
    l['EXTENDED_ARG']  = l['opmap']['EXTENDED_ARG']

    l['opmap'] = fix_opcode_names(l['opmap'])

    # Now add in the attributes into the module
    for op in l['opmap']:
        l[op] = l['opmap'][op]
    l['JUMP_OPs'] = frozenset(l['hasjrel'] + l['hasjabs'])
    l['NOFOLLOW'] = frozenset(l['nofollow'])
    opcode_check(l)
    return