On 2010-07-01, Bryan Venteicher wrote:
> > From: "Gary Johnson"
> > To: "vim dev"
> > Sent: Thursday, July 1, 2010 2:04:42 AM
> > Subject: Re: Bug in Vim 7.2.438: try, catch and cscope
>
> > On 2010-07-01, Bryan Venteicher wrote:
> > > > From: "Gary Johnson"
> > > > To: "vim dev"
> > > > Sent: Tuesday, June 29, 2010 5:40:39 PM
> > > > Subject: Bug in Vim 7.2.438: try, catch and cscope
> > >
> > > > After a recent update, I started noticing erroneous behavior in a
> > > > number of my cscope mappings. After some experimenting I
> > > > discovered that Vim is failing to execute a "cs find" command when
> > > > it follows a
> > > > "cs add" command in a catch block. This has worked fine for a long
> > > > time and through Vim 7.2.148 but stopped working at or before Vim
> > > > 7.2.438.
> > > >
> > > > I boiled my configuration and functions down to the following
> > > > plugin.
> > > >
> > > > ------------------------ cscope.vim ------------------------
> > > > set laststatus=2
> > > > set cmdheight=10
> > > >
> > > > set csverb
> > > > set csqf=s-
> > > >
> > > > function! Csfind()
> > > > try let x = y
> > > > catch /.*/
> > > > echo v:exception
> > > > cs add cscope.out
> > > > cs find s mch_early_init
> > > > echo "Here"
> > > > endtry endfunction
> > > > ------------------------------------------------------------
> > > >
> > >
> > > I wager I altered this when I submitted 7.2.433, adding CScope
> > > QuickFixCmd{Pre,Post} autocmd event similar to what already exists
> > > for make, grep, etc. If you try to say a :vimgrep in your catch
> > > block, that goes no where too, right?
> > >
> > > A few potential fixes come to mind:
> > > - If you're not explicity needing it, remove the query type from
> > > 'csfs'
> > > in the catch block.
> >
> > I didn't understand that. What is 'csfs' and what is removing the
> > query type?
>
> Fat fingers: 'csqf'. Query type would be 's' in your example (:cs find
> {querytype} {name})
> Of course, if it is in there in the first place because you want to use the
> quickfix
> window for the results of the find in the catch, this really isn't helpful.
I would like to continue to have the freedom to set 'csqf' to use
quickfix or not for each query type as I choose. In the actual
plugin, I have more than just 's' in 'csqf'. Being able to traverse
the list of places found by "cs find s" and other query types using
^N and ^P (mapped to :cn<CR> and :cp<CR>) is really important to
me--I use that all the time.
> > > - Revert 433. I had been carrying it around as a private patch for a
> > > couple of years and find it to very useful.
> >
> > I'll try that as soon as I figure out how. I haven't done anything
> > fancy with Mercurial yet.
hg backout --merge -r2152
hg ci
I just did that and my plugin is now working fine again.
> > Are you planning on fixing this?
>
> Off hand, short of backing it out, I don't see a way to fix it, although
> it has been awhile since I poked around the Vim source. It makes Cscope
> behave more like make, grep, etc, which to me, is the a good thing.
The desired behavior seems like a good thing, but this side effect
seems like a bug in the implementation, not a natural consequence of
the desired behavior.
Regards,
Gary
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