Lech Lorens wrote:
> Matchit does not work in a 2-line C file with the following contents:
> #if FOO
> #endif
>
> Steps to reproduce:
> vim -u NONE -U NONE
> :set nocompatible
> :filetype plugin indent on
> :syntax on
> :setf c
> :runtime macros/matchit.vim
> :call append(line('$'), "#if FOO")
> :call append(line('$'), "#endif")
> :1del _
> :normal 1G0
> :normal %
>
> Note that the cursor does not move to the second line until you set
> re=1. This boils down to the following condition in s:Wholematch being
> true for re=0 and false for re=1:
> if a:string !~ prefix . group . suffix
>
> with a:string being "#if FOO" and the regexp
> "^\%(\%((\|)\|{\|}\|[\|]\|^\s*#\s*if\(\|def\|ndef\)\>\|^\s*#\s*elif\>\|^\s*#\s*else\>\|^\s*#\s*endif\>\|(\|)\|{\|}\|\[\|\]\|\/\*\|\*\/\|#\s*if\%(def\)\=\|#\s*else\>\|#\s*elif\>\|#\s*endif\>\)\)\(\%>1c.*$\)\@="
>
> Sorry, I couldn't simplify it any further; for some reason this does not
> work when put in a simple script as follows (both produce 1):
>
> set re=1
> echo "string !~ regexp == " . string(string !~ regexp)
> set re=2
> echo "string !~ regexp == " . string(string !~ regexp)
I can reproduce the problem. With regexp logging enabled I can see
where it fails. I'll add a fix. And a test.
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