+" Internal function to search parse the information from a metadata line
+fun s:NitdocAdd(matches, words)
+ let desc = get(a:words, 3, '')
+ let desc = join(split(desc, '#nnnn#', 1), "\n")
+ call add(a:matches, desc)
+endfun
+
+" Call `git grep` on the word under the cursor
+"
+" In the preview window, list introductions, declarations and then all matches.
+fun NitGitGrep()
+ let word = expand("<cword>")
+ let out = tempname()
+ execute 'silent !(git grep -n -e "\<\\(module\\|class\\|universal\\|interface\\|subset\\|var\\|fun\\)\> \<'.word.'\>" --and --not -e redef -- ''*.nit'';'.
+ \'git grep -n "redef \<\\(class\\|universal\\|interface\\|subset\\|var\\|fun\\)\> \<'.word.'\>" -- ''*.nit'';'.
+ \'echo; git grep -n -e "\<'.word.'\>" --and --not -e "\<\\(module\\|class\\|universal\\|interface\\|subset\\|var\\|fun\\)\> \<'.word.'\>" -- ''*.nit'') > '.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
+
+" Call `nit` on the current file
+fun NitExecute()
+ let path = expand('%')
+
+ if &modified
+ let path = tempname() . '.nit'
+ execute '%write '. path
+ endif
+
+ execute '!nit "' . path . '"'
+endfun
+command NitExecute call NitExecute()
+
+if !exists("g:nit_disable_omnifunc") || !g:nit_disable_omnifunc
+ " Activate the omnifunc on Nit files
+ autocmd FileType nit set omnifunc=NitOmnifunc
+endif
+
+" Define the user command Nitdoc for ease of use
+command -nargs=* Nitdoc call Nitdoc("<args>")