mangler.py 文件源码

def _visit_local(gen_sym, node, to_mangle, mangled):
    """
    Replacing known variables with literal values
    """
    is_name = type(node) == ast.Name

    node_id = node.id if is_name else node.arg

    if node_id in to_mangle:

        if node_id in mangled:
            mangled_id = mangled[node_id]
        else:
            mangled_id, gen_sym = gen_sym('mangled')
            mangled = mangled.set(node_id, mangled_id)

        if is_name:
            new_node = ast.Name(id=mangled_id, ctx=node.ctx)
        else:
            new_node = ast.arg(arg=mangled_id, annotation=node.annotation)

    else:
        new_node = node

    return gen_sym, new_node, mangled