1 files changed, 38 insertions, 1 deletions
diff --git a/ftplugin/elixir.vim b/ftplugin/elixir.vim
index 04388efd..225e2772 100644
--- a/ftplugin/elixir.vim
+++ b/ftplugin/elixir.vim
@@ -5,7 +5,6 @@ if (exists("b:did_ftplugin"))
 endif
 let b:did_ftplugin = 1
 
-
 " Matchit support
 if exists("loaded_matchit") && !exists("b:match_words")
   let b:match_ignorecase = 0
@@ -21,4 +20,42 @@ endif
 setlocal comments=:#
 setlocal commentstring=#\ %s
 
+function! GetElixirFilename(word)
+  let word = a:word
+
+  " get first thing that starts uppercase, until the first space or end of line
+  let word = substitute(word,'^\s*\(\u[^ ]\+\).*$','\1','g')
+
+  " remove any trailing characters that don't look like a nested module
+  let word = substitute(word,'\.\U.*$','','g')
+
+  " replace module dots with slash
+  let word = substitute(word,'\.','/','g')
+
+  " remove any special chars
+  let word = substitute(word,'[^A-z0-9-_/]','','g')
+
+  " convert to snake_case
+  let word = substitute(word,'\(\u\+\)\(\u\l\)','\1_\2','g')
+  let word = substitute(word,'\(\u\+\)\(\u\l\)','\1_\2','g')
+  let word = substitute(word,'\(\l\|\d\)\(\u\)','\1_\2','g')
+  let word = substitute(word,'-','_','g')
+  let word = tolower(word)
+
+  return word
+endfunction
+
+let &l:path =
+      \ join([
+      \   getcwd().'/lib',
+      \   getcwd().'/src',
+      \   getcwd().'/deps/**/lib',
+      \   getcwd().'/deps/**/src',
+      \   &g:path
+      \ ], ',')
+setlocal includeexpr=GetElixirFilename(v:fname)
+setlocal suffixesadd=.ex,.exs,.eex,.erl,.yrl,.hrl
+
+setlocal formatoptions-=t formatoptions+=croqlj
+
 endif