doc_base: fix warnings

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>

diff --git a/src/doc/doc_base.nit b/src/doc/doc_base.nit
index c6dabf8..c054512 100644 (file)
--- a/src/doc/doc_base.nit
+++ b/src/doc/doc_base.nit
@@ -144,6 +144,7 @@ abstract class DocComposite
 
        # Depth of `self` in the composite tree.
        fun depth: Int do
+               var parent = self.parent
                if parent == null then return 0
                return parent.depth + 1
        end
@@ -320,6 +321,7 @@ redef class MModule
 
        # Avoid id conflict with group
        redef fun nitdoc_id do
+               var mgroup = self.mgroup
                if mgroup == null then return super
                return "{mgroup.full_name}::{full_name}".to_cmangle
        end