Create evaluators for literals, list and identifier nodes

smnp/runtime/evaluators/note.py

@@ -1,6 +1,10 @@
+from smnp.runtime.evaluator import Evaluator
 from smnp.type.model import Type
 from smnp.type.value import Value
 
 
-def evaluateNote(note, environment):
-    return Value(Type.NOTE, note.value)
+class NoteEvaluator(Evaluator):
+
+    @classmethod
+    def evaluator(cls, node, environment):
+        return Value(Type.NOTE, node.value)