> On Jul 22, 2020, at 9:57 AM, Dave Lee <davelee....@gmail.com> wrote: > > On Tuesday, July 21, 2020, Jim Ingham via lldb-dev <lldb-dev@lists.llvm.org > <mailto:lldb-dev@lists.llvm.org>> wrote: > I think adding: > > bs (break source) -> break set -y > ba (break address) -> break set -a > bn (break name) -> break set -n > > would provide a convenient way to set the most common classes of breakpoints > while not precluding access to all the other options available to “break > set”. > > If these are defined as regular aliases, I wonder how many people would try, > say, `bn -H whatever` and be confused when it doesn't work because it didn't > do the right thing (such as creating a breakpoint named "-H" in this > example). Should these new aliases support flags before and after the > positional argument? Personally I think so. But to support that, it seems > they'd need to be implemented with `command regex`. In that case, would it be > good to add similar before/after flag composition abilities to `b` as Greg > Clayton suggested?
Grrr… Apparently command aliases don’t work quite how I intended them to. I thought the intent was that: (lldb) command alias breakpoint set -y %1 would put the first argument into the %1 position, not the first command word. That way you could preserve the position independence of options. But that’s not what it does. %1 is just the first command word (-H in your example). The way it works now, mine is not a useful suggestion. When I have some time I’ll play around with how to make that work, until then we can keep discussing the _regex_break command, but the aliases I started out with are unappealing. Jim > > It hasn't been mentioned in this thread, but `b` has undocumented handling > for flags: the prefix `b -` is expanded to `breakpoint set -`. Because of > this I almost never use `breakpoint set` directly. For whatever it's worth, > this means `bn` can be achieved as `b -n`, etc. As Pavel Labath suggested, I > think it's worth updating the help documentation for `b` to explicitly lead > users from `b` to `breakpoint set`. > > Dave
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