simple_instructions.py 文件源码

def make_const(arg, lineno=0, col_offset=0):
    kw = {'lineno':lineno, 'col_offset':col_offset}

    if isinstance(arg, str):
        const = _ast.Str(s=arg, **kw)
    elif isinstance(arg, (int, float, complex)):
        const = _ast.Num(n=arg, **kw)
    elif arg is None:
        const = _ast.Name(id='None', ctx=_ast.Load(), **kw)
    elif isinstance(arg, tuple):
        elts = []
        for item in arg:
            elts.append(make_const(item, **kw))
        const = _ast.Tuple(elts=elts, ctx=_ast.Load(), **kw)
    else:
        const = arg

    return const