--- /dev/null
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2009 Jean-Sebastien Gelinas <calestar@gmail.com>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Package containing all bases for the reachable from init method analysis
+package reachable_as_init
+
+import icode
+import program
+
+redef class Program
+ # This attribute is the ReachableAsInitAnalysis results
+ readable writable var _rai: nullable ReachableAsInitAnalysis = null
+end
+
+# Subclasses of this class would represent an analysis that produces
+# at least a way of knowing if an initializer is called at least once
+# as an initializer (and not as part of another initializer)
+# in a specific class
+class ReachableAsInitAnalysis
+ fun is_method_reachable_as_init(method: MMMethod, c: MMLocalClass): Bool is abstract
+end
+
+# Default behavior is to say that all initializers are called as init
+class DefaultReachableAsInitAnalysis
+special ReachableAsInitAnalysis
+ redef fun is_method_reachable_as_init(method: MMMethod, c: MMLocalClass): Bool do
+ if method.global.is_init and method.global.is_init_for(c) then return true
+ return false
+ end
+
+ init do end
+end