From: Jean Privat <jean@pryen.org>
Date: Thu, 6 Mar 2014 13:43:46 +0000 (-0500)
Subject: modelbuilder: display error in case of dependency loop
X-Git-Tag: v0.6.5~51^2~1
X-Git-Url: http://nitlanguage.org

modelbuilder: display error in case of dependency loop

Signed-off-by: Jean Privat <jean@pryen.org>
---

diff --git a/src/modelbuilder.nit b/src/modelbuilder.nit
index 58c6296..a97535e 100644
--- a/src/modelbuilder.nit
+++ b/src/modelbuilder.nit
@@ -555,6 +555,13 @@ class ModelBuilder
 				error(aimport.n_visibility, "Error: only properties can be protected.")
 				return
 			end
+			if sup == mmodule then
+				error(aimport.n_name, "Error: Dependency loop in module {mmodule}.")
+			end
+			if sup.in_importation < mmodule then
+				error(aimport.n_name, "Error: Dependency loop between modules {mmodule} and {sup}.")
+				return
+			end
 			mmodule.set_visibility_for(sup, mvisibility)
 		end
 		if stdimport then