Add cmp.get_entries. Fixes #831

doc/cmp.txt

@@ -162,6 +162,9 @@ NOTE: You can call these functions in mapping via `<Cmd>lua require('cmp').compl
 *cmp.visible* ()
   Return the completion menu is visible or not.
 
+*cmp.get_entries* ()
+  Return current all entries.
+
 *cmp.get_selected_entry* ()
   Return current selected entry. (contains preselected)
 

lua/cmp/init.lua

@@ -96,6 +96,11 @@ cmp.get_active_entry = cmp.sync(function()
   return cmp.core.view:get_active_entry()
 end)
 
+---Get current all entries
+cmp.get_entries = cmp.sync(function()
+  return cmp.core.view:get_entries()
+end)
+
 ---Close current completion
 cmp.close = cmp.sync(function()
   if cmp.core.view:visible() then