--- a/vim/autoload/ludo.vim	Wed Apr 04 20:35:50 2018 -0700
+++ b/vim/autoload/ludo.vim	Wed Apr 04 20:36:11 2018 -0700
@@ -1,5 +1,28 @@
 let g:ludo_trace = 0
 
+" Get the platform we're running on.
+if has("win32") || has("win64") || has("dos32")
+    let s:vim_platform = "windows"
+    let s:path_sep = "\\"
+elseif has("mac")
+    let s:vim_platform = "mac"
+    let s:path_sep = '/'
+else
+    let s:vim_platform = "unix"
+    let s:path_sep = '/'
+endif
+function! ludo#platform() abort
+    return s:vim_platform
+endfunction
+
+" Get our vim directory. 
+let s:vim_home = expand("<sfile>:h:h")
+
+" Get local path.
+function! ludo#localpath(...) abort
+    return s:vim_home.s:path_sep.join(a:000, s:path_sep)
+endfunction
+
 " Debug logging.
 function! ludo#trace(msg) abort
     if g:ludo_trace
@@ -74,6 +97,8 @@
     call ludo#trace("Exclude list: ".join(g:pathogen_disabled, ', '))
 endfunction
 
+" Goyo writing mode tweaks
+"
 let s:ludo_revert = {}
 
 function! ludo#on_goyo_enter()
@@ -114,3 +139,56 @@
     Goyo
 endfunction
 
+" Better tags browser using FZF
+"
+function! ludo#run_fzf_tags(args, bang) abort
+    let l:tag_files = tagfiles()
+    let l:tag_lister = 
+                \'python '.
+                \ludo#localpath('scripts', 'list_tags.py').' -a 24 '.
+                \join(map(l:tag_files, "shellescape(v:val)"))
+    let options = {
+                \'source': l:tag_lister,
+                \'sink': function('s:tags_sink'),
+                \'options': '--algo=v1 --tiebreak=begin --prompt "Tags> "'
+                \}
+    return fzf#run(fzf#wrap('tags', options, a:bang))
+endfunction
+
+function! s:tags_sink(line) abort
+	let l:tokens = matchlist(
+                \a:line, 
+                \'\v^(\S+)\s+([^\t]+)\t([^\t]{-1,})(;")?\t[a-z]+\tline\:([0-9]+)')
+    if len(l:tokens) < 5
+        call fb#warn("Couldn't parse line '".a:line."', got '".string(l:tokens)."'")
+        return
+    endif
+
+    let [l:tag, l:source_path, l:regex, l:line] = 
+                \[l:tokens[1], tolower(l:tokens[2]), l:tokens[3], l:tokens[4]]
+    let l:cur_path = fnamemodify(bufname('%'), ':p')
+    let l:candidates = taglist(l:tag, l:cur_path)
+
+    if len(l:candidates) == 0
+        call fb#warn("No candidates found for '".l:tag."'")
+        return
+    endif
+
+    if len(l:candidates) == 1
+        execute ':tjump '.l:tag
+        return
+    endif
+
+    let l:tagidx = 0
+    for cndd in l:candidates
+        let l:tagidx += 1
+        if tolower(cndd['filename']) != l:source_path
+            continue
+        endif
+        if cndd['cmd'] != l:regex
+            continue
+        endif
+        break
+    endfor
+    execute ':'.string(l:tagidx).'tag '.l:tag
+endfunction