neo_doxygen: Add a missing getter in `Entity`.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>

diff --git a/contrib/neo_doxygen/src/model/graph.nit b/contrib/neo_doxygen/src/model/graph.nit
index d3a5b24..198b8fb 100644 (file)
--- a/contrib/neo_doxygen/src/model/graph.nit
+++ b/contrib/neo_doxygen/src/model/graph.nit
@@ -196,6 +196,11 @@ abstract class Entity
                self["location"] = location
        end
 
+       # Get the location of the entity in the source code.
+       fun location: nullable Location do
+               return self["location"].as(nullable Location)
+       end
+
        # Put the entity in the graph.
        #
        # Called by the loader when it has finished to read the entity.