Create evaluator for function call and basic atoms

smnp/runtime/evaluators/atom.py

@@ -0,0 +1,37 @@
+from smnp.runtime.evaluator import Evaluator
+from smnp.type.model import Type
+
+
+class IntegerEvaluator(Evaluator):
+
+    @classmethod
+    def evaluator(cls, node, environment):
+        return Type.integer(node.value)
+
+
+class StringEvaluator(Evaluator):
+
+    @classmethod
+    def evaluator(cls, node, environment):
+        return Type.string(node.value)
+
+
+class NoteEvaluator(Evaluator):
+
+    @classmethod
+    def evaluator(cls, node, environment):
+        return Type.note(node.value)
+
+
+class BoolEvaluator(Evaluator):
+
+    @classmethod
+    def evaluator(cls, node, environment):
+        return Type.bool(node.value)
+
+
+class TypeEvaluator(Evaluator):
+
+    @classmethod
+    def evaluator(cls, node, environment):
+        return Type.type(node.value)