misc/vim: add a function to search for instances of the word under the cursor

[nit.git] / misc / vim / plugin / nit.vim

diff --git a/misc/vim/plugin/nit.vim b/misc/vim/plugin/nit.vim
index c9d54d0..b1b115b 100644 (file)
--- a/misc/vim/plugin/nit.vim
+++ b/misc/vim/plugin/nit.vim
@@ -310,6 +310,32 @@ fun Nitdoc()
        redraw!
 endfun
 
+" Call `git grep` on the word under the cursor
+"
+" Shows declarations first, then all matches, in the preview window.
+fun NitGitGrep()
+       let word = expand("<cword>")
+       let out = tempname()
+       execute 'silent !(git grep "\\(module\\|class\\|universal\\|interface\\|var\\|fun\\) '.word.'";'.
+               \'echo; git grep '.word.') > '.out
+
+       " Open the preview window on a temp file
+       execute "silent pedit " . out
+
+       " Change to preview window
+       wincmd P
+
+       " Set options
+       setlocal buftype=nofile
+       setlocal noswapfile
+       setlocal syntax=none
+       setlocal bufhidden=delete
+
+       " Change back to the source buffer
+       wincmd p
+       redraw!
+endfun
+
 " Activate the omnifunc on Nit files
 autocmd FileType nit set omnifunc=NitOmnifunc