Re: [Qemu-devel] [PATCH V4 0/7] monitor: support sub command group in auto completion and help

[Wenchao Xia <xiawenc@linux.vnet.ibm.com>]

于 2013-6-28 11:39, Wenchao Xia 写道:
> Global variable *mon_cmds and *info_cmds are not directly used any more,
> *cur_mon is not used in completion related functions. It is possible to create
> a monitor with different command table now, but that requirement do not exist
> yet, so not changed it to save trouble. Log command is still a special case
> now, may be it can be converted as sub group later.
> 
> Patch 1-3 make sure the functions can be re-entered safely.
> 
> V2:
>    General:
>    To discard *info_comds more graceful, help related function is modified to support
> sub command too.
>    Patch 6/7 are added to improve help related functions.
>    Patch 5: not directly return to make sure args are freed.
> 
>    Address Luiz's comments:
>    Split patch into small series.
>    struct mon_cmd_t was not moved into header file, instead mon_cmnd_t *cmd_table is
> added as a member in struct Monitor.
>    5/7: drop original code comments for "info" in monitor_find_completion().
> 
> v3:
>    5/7: add parameter **args_cmdline in parse_cmdline() to tell next valid
> parameter's position. This fix the issue in case command length in input is not
> equal to its name's length such as "help|?", and the case input start with
> space such as "  s".
>    7/7: better commit message.
> 
> v4:
>    Address Eric's comments:
>    1/7, 2/7, 4/7: better commit title and message.
>    1/7 remove useless (char *) in old code, add space around "for ()" in old code.
>    3/7: separate code moving patch before usage.
>    4/7: add space around "for ()" in old code, add min(nb_args, MAX_ARGS) in free
> to make code stronger.
> 
> Wenchao Xia (7):
>    1 monitor: avoid direct use of global *cur_mon in completion functions
>    2 monitor: avoid direct use of global variable *mon_cmds
>    3 monitor: code move for parse_cmdline()
>    4 monitor: avoid direct use of global *info_cmds in help functions
>    5 monitor: support sub commands in auto completion
>    6 monitor: improve "help" in auto completion for sub command
>    7 monitor: improve "help" to allow show details of single command in sub group
> 
>   hmp-commands.hx            |    2 +-
>   include/monitor/readline.h |    3 +-
>   monitor.c                  |  387 ++++++++++++++++++++++++++++----------------
>   readline.c                 |    5 +-
>   4 files changed, 254 insertions(+), 143 deletions(-)
> 
> 
> 
  This version have a build issue in 4/7 caused by macro 'min' can't be
recognized. I am a bit too rush on this version for catching a train.
I'll respin to fix that, sorry for interrupt.

-- 
Best Regards

Wenchao Xia