model: introduce MDeprecationInfo

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

diff --git a/src/model/mdoc.nit b/src/model/mdoc.nit
index 44ddfea..dd31547 100644 (file)
--- a/src/model/mdoc.nit
+++ b/src/model/mdoc.nit
@@ -30,6 +30,18 @@ class MDoc
 end
 
 redef class MEntity
-       # The documentation assiciated to the entity
+       # The documentation associated to the entity
        var mdoc: nullable MDoc writable
+
+       # Is the entity deprecated?
+       #
+       # Used for warnings and in documentation.
+       # Has no other specific effect.
+       var deprecation: nullable MDeprecationInfo = null is writable
+end
+
+# Information about a deprecated entity
+class MDeprecationInfo
+       # Explanation about the deprecation
+       var mdoc: nullable MDoc = null is writable
 end