From: Jean Privat <jean@pryen.org>
Date: Fri, 28 Nov 2014 13:34:09 +0000 (-0500)
Subject: modelize: do not crash if not object class to implicitly bound formal parameter
X-Git-Tag: v0.7~83^2~7
X-Git-Url: http://nitlanguage.org

modelize: do not crash if not object class to implicitly bound formal parameter

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

diff --git a/src/modelize/modelize_class.nit b/src/modelize/modelize_class.nit
index 441a6c2..79cab6e 100644
--- a/src/modelize/modelize_class.nit
+++ b/src/modelize/modelize_class.nit
@@ -168,6 +168,10 @@ redef class ModelBuilder
 						warning(nfdt, "useless-bound", "Warning: Useless formal parameter type since `{bound}` cannnot have subclasses.")
 					end
 				else if mclass.mclassdefs.is_empty then
+					if objectclass == null then
+						error(nfd, "Error: Formal parameter type `{pname}' unbounded but no Object class exist.")
+						return
+					end
 					# No bound, then implicitely bound by nullable Object
 					var bound = objectclass.mclass_type.as_nullable
 					bounds.add(bound)