Implement option class inheritance

For now multiple, non-virtual inheritance is supported. An option class
can now also be declared abstract using the class c = 0 {...}; syntax.
New option, --exclude-base, controls whether base class information is
present in usage and documentation.

1 files changed, 15 insertions, 3 deletions

diff --git a/cli/semantics/class.cxx b/cli/semantics/class.cxx
index 1af31dc..9a6fc85 100644
--- a/cli/semantics/class.cxx
+++ b/cli/semantics/class.cxx
@@ -19,9 +19,21 @@ namespace semantics
       {
         using compiler::type_info;
 
-        type_info ti (typeid (class_));
-        ti.add_base (typeid (scope));
-        insert (ti);
+        // inherits
+        //
+        {
+          type_info ti (typeid (inherits));
+          ti.add_base (typeid (edge));
+          insert (ti);
+        }
+
+        // class_
+        //
+        {
+          type_info ti (typeid (class_));
+          ti.add_base (typeid (scope));
+          insert (ti);
+        }
       }
     } init_;
   }