Commit 092b34b9 authored by Jakub Kicinski's avatar Jakub Kicinski
Browse files

tools: ynl-gen: support local attrs in _multi_parse 



The _multi_parse() helper calls the _attr_get() method of each attr,
but it only respects what code the helper wants to emit, not what
local variables it needs. Local variables will soon be needed,
support them.

Reviewed-by: default avatarDonald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250520161916.413298-9-kuba@kernel.org


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent a66a170b

tools/net/ynl/pyynl/ynl_gen_c.py

+8 −4
Original line number Diff line number Diff line
@@ -2214,12 +2214,16 @@ def parse_rsp_submsg(ri, struct): 
    parse_rsp_nested_prototype(ri, struct, suffix='')



    var = 'dst'



    ri.cw.block_start()

    ri.cw.write_func_lvar(['const struct nlattr *attr = nested;',

    local_vars = {'const struct nlattr *attr = nested;',

                  f'{struct.ptr_name}{var} = yarg->data;',

                          'struct ynl_parse_arg parg;'])

                  'struct ynl_parse_arg parg;'}



    for _, arg in struct.member_list():

        _, _, l_vars = arg._attr_get(ri, var)

        local_vars |= set(l_vars) if l_vars else set()



    ri.cw.block_start()

    ri.cw.write_func_lvar(list(local_vars))

    ri.cw.p('parg.ys = yarg->ys;')

    ri.cw.nl()