Fix temporary open erl

autoload/repl.vim

@@ -7,7 +7,7 @@ set cpo&vim
 
 function! s:echo_error(msg)
   echohl Error
-  echo a:msg
+  echomsg a:msg
   echohl None
 endfunction
 
@@ -107,13 +107,29 @@ endfunction
 
 function! repl#start_erlang()
   " FIXME: this function messes current directly with a .bean file.
+  let l:pwd = getcwd()
+
   " Setting up the file for the current file
   if &modified
     " Create new file temporary
-    let l:module_file = tempname() . '.erl'
-    call writefile(getline(1, expand('$')), l:module_file)
+    " -module don't allow module name number start
+    let l:tempname    = tempname()
+    let l:filename    = 't' . fnamemodify(l:tempname, ':t') . '.erl'
+    let l:dirpath     = fnamemodify(l:tempname, ':h')
+    let l:module_file = l:dirpath . '/' . l:filename
+    try
+      call s:writefile_with_erlang_module(getline(1, expand('$')), l:module_file)
+    catch /^REPL_VIM/
+      call s:echo_error('REPL_VIM: fatal error')
+      call s:echo_error(v:exception)
+      return
+    endtry
+    " Change current directory temporary
+    execute 'cd' l:dirpath
   else
     let l:module_file = expand('%:p')
+    " Change current directory temporary
+    cd %:p:h
   endif
 
   let l:repl = exists('g:repl_filetype_repl.erlang') ? g:repl_filetype_repl.erlang['repl']
@@ -126,9 +142,6 @@ function! repl#start_erlang()
   endif
   let l:args = printf('%s %s %s', l:repl, l:opt, l:module_file)
 
-  " Change current directory temporary
-  let l:pwd = getcwd()
-  cd %:p:h
   execute ':VimShellInteractive' l:args
   call vimshell#interactive#send(printf('c(%s).', fnamemodify(l:module_file, ':t:r')))
   execute 'cd' l:pwd
@@ -146,6 +159,17 @@ endfunction
 "  call s:CallVimShell(l:args)
 "endfunction
 
+"-------------------"
+
+function! s:writefile_with_erlang_module(lines, filepath)
+  let l:module_defined_line = match(a:lines, '-module')
+  if l:module_defined_line is -1
+    throw "REPL_VIM: repl.vim couldn't -module difinition !"
+  endif
+  let a:lines[l:module_defined_line] = printf('-module(%s).', fnamemodify(a:filepath, ':t:r'))
+  call writefile(a:lines, a:filepath)
+endfunction
+
 "-------------------"
 let &cpo = s:save_cpo
 unlet s:save_cpo