labath added a comment.
In D137000#3897878 <https://reviews.llvm.org/D137000#3897878>, @jgorbe wrote:
> I'm looking at the option of using a non-printable character for the short
> flag, and at the same time make `--regex` and `--recognizer-function`
> mutually exclusive using option groups. One problem I see is that the command
> help gets pretty confusing. Using a non-printable character as the short
> option name makes the option completely disappear from the "Command Options
> Usage" summary part of the help.
>
> For example, for `disassemble` the `--force` option is defined with
> `Groups[2,3,4,5,7]` but there's no indication in the usage summary that
> `--force` is only usable in some of the groups:
Hmm.. you're right, I didn't know that. I'll leave it up to you, but
personally I wouldn't consider it a blocker, as I think that the way we print
our option group help needs an overhaul anyway. I mean, the idea is kinda nice,
but after a certain number of options (and groups) it just becomes ridiculous.
For example, I'd like to meet the person who can make sense of this:
Command Options Usage:
breakpoint set [-DHd] -l <linenum> [-G <boolean>] [-C <command>] [-c
<expr>] [-i <count>] [-o <boolean>] [-q <queue-name>] [-t <thread-id>] [-x
<thread-index>] [-T <thread-name>] [-R <address>] [-N <breakpoint-name>] [-u
<column>] [-f <filename>] [-m <boolean>] [-s <shlib-name>] [-K <boolean>]
breakpoint set [-DHd] -a <address-expression> [-G <boolean>] [-C <command>]
[-c <expr>] [-i <count>] [-o <boolean>] [-q <queue-name>] [-t <thread-id>] [-x
<thread-index>] [-T <thread-name>] [-N <breakpoint-name>] [-s <shlib-name>]
breakpoint set [-DHd] -n <function-name> [-G <boolean>] [-C <command>] [-c
<expr>] [-i <count>] [-o <boolean>] [-q <queue-name>] [-t <thread-id>] [-x
<thread-index>] [-T <thread-name>] [-R <address>] [-N <breakpoint-name>] [-f
<filename>] [-L <source-language>] [-s <shlib-name>] [-K <boolean>]
breakpoint set [-DHd] -F <fullname> [-G <boolean>] [-C <command>] [-c
<expr>] [-i <count>] [-o <boolean>] [-q <queue-name>] [-t <thread-id>] [-x
<thread-index>] [-T <thread-name>] [-R <address>] [-N <breakpoint-name>] [-f
<filename>] [-L <source-language>] [-s <shlib-name>] [-K <boolean>]
breakpoint set [-DHd] -S <selector> [-G <boolean>] [-C <command>] [-c
<expr>] [-i <count>] [-o <boolean>] [-q <queue-name>] [-t <thread-id>] [-x
<thread-index>] [-T <thread-name>] [-R <address>] [-N <breakpoint-name>] [-f
<filename>] [-L <source-language>] [-s <shlib-name>] [-K <boolean>]
breakpoint set [-DHd] -M <method> [-G <boolean>] [-C <command>] [-c <expr>]
[-i <count>] [-o <boolean>] [-q <queue-name>] [-t <thread-id>] [-x
<thread-index>] [-T <thread-name>] [-R <address>] [-N <breakpoint-name>] [-f
<filename>] [-L <source-language>] [-s <shlib-name>] [-K <boolean>]
breakpoint set [-DHd] -r <regular-expression> [-G <boolean>] [-C <command>]
[-c <expr>] [-i <count>] [-o <boolean>] [-q <queue-name>] [-t <thread-id>] [-x
<thread-index>] [-T <thread-name>] [-R <address>] [-N <breakpoint-name>] [-f
<filename>] [-L <source-language>] [-s <shlib-name>] [-K <boolean>]
breakpoint set [-DHd] -b <function-name> [-G <boolean>] [-C <command>] [-c
<expr>] [-i <count>] [-o <boolean>] [-q <queue-name>] [-t <thread-id>] [-x
<thread-index>] [-T <thread-name>] [-R <address>] [-N <breakpoint-name>] [-f
<filename>] [-L <source-language>] [-s <shlib-name>] [-K <boolean>]
breakpoint set [-ADHd] -p <regular-expression> [-G <boolean>] [-C
<command>] [-c <expr>] [-i <count>] [-o <boolean>] [-q <queue-name>] [-t
<thread-id>] [-x <thread-index>] [-T <thread-name>] [-N <breakpoint-name>] [-f
<filename>] [-m <boolean>] [-s <shlib-name>] [-X <function-name>]
breakpoint set [-DHd] -E <source-language> [-G <boolean>] [-C <command>]
[-c <expr>] [-i <count>] [-o <boolean>] [-q <queue-name>] [-t <thread-id>] [-x
<thread-index>] [-T <thread-name>] [-N <breakpoint-name>] [-h <boolean>] [-w
<boolean>]
breakpoint set [-DHd] -P <python-class> [-k <none>] [-v <none>] [-G
<boolean>] [-C <command>] [-c <expr>] [-i <count>] [-o <boolean>] [-q
<queue-name>] [-t <thread-id>] [-x <thread-index>] [-T <thread-name>] [-N
<breakpoint-name>] [-f <filename>] [-s <shlib-name>]
breakpoint set [-DHd] -y <linespec> [-G <boolean>] [-C <command>] [-c
<expr>] [-i <count>] [-o <boolean>] [-q <queue-name>] [-t <thread-id>] [-x
<thread-index>] [-T <thread-name>] [-R <address>] [-N <breakpoint-name>] [-m
<boolean>] [-s <shlib-name>] [-K <boolean>]
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https://reviews.llvm.org/D137000/new/
https://reviews.llvm.org/D137000
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