model: fix some warnings

[nit.git] / src / model / mpackage.nit

diff --git a/src/model/mpackage.nit b/src/model/mpackage.nit
index 8309b5a..bb6856b 100644 (file)
--- a/src/model/mpackage.nit
+++ b/src/model/mpackage.nit
@@ -25,14 +25,14 @@ class MPackage
        super MConcern
 
        # The name of the package
-       redef var name: String
+       redef var name
 
        redef fun full_name do return name
 
        redef var c_name = name.to_cmangle is lazy
 
        # The model of the package
-       redef var model: Model
+       redef var model
 
        redef var location
 
@@ -55,8 +55,11 @@ class MPackage
 
        redef fun mdoc_or_fallback
        do
+               var mdoc = self.mdoc
                if mdoc != null then return mdoc
-               return root.mdoc_or_fallback
+               var root = self.root
+               if root != null then return root.mdoc_or_fallback
+               return null
        end
 end
 
@@ -66,7 +69,7 @@ class MGroup
 
        # The name of the group
        # empty name for a default group in a single-module package
-       redef var name: String
+       redef var name
 
        redef var location