You must now use 'eval' to get the body of a concept

evaluators/EvalEvaluator.py

@@ -0,0 +1,38 @@
+from core.builtin_concepts import BuiltinConcepts
+from core.concept import Concept
+from evaluators.BaseEvaluator import AllReturnValuesEvaluator
+
+
+class EvalEvaluator(AllReturnValuesEvaluator):
+    """
+    Returns the body of all successful concepts
+    """
+
+    NAME = "Eval"
+
+    def __init__(self):
+        super().__init__(self.NAME, [BuiltinConcepts.AFTER_EVALUATION], 80)
+        self.successful_return_value = None
+        self.to_eval = []
+        self.eval_requested = None
+
+    def matches(self, context, return_values):
+        sheerka = context.sheerka
+        for ret in return_values:
+            if ret.status and sheerka.isinstance(ret.body, BuiltinConcepts.CONCEPT_EVAL_REQUESTED):
+                self.eval_requested = ret
+            elif ret.status and isinstance(ret.body, Concept) and ret.body.body:
+                self.to_eval.append(ret)
+
+        return self.eval_requested is not None and len(self.to_eval) > 0
+
+    def eval(self, context, return_value):
+        sheerka = context.sheerka
+        result = []
+        context.log(self.verbose_log, f"{len(self.to_eval)} return value(s) to eval", who=self)
+
+        for ret_val in self.to_eval:
+            context.log(self.verbose_log, f"{ret_val}", who=self)
+            result.append(sheerka.ret(self.name, True, ret_val.body.body, parents=[ret_val, self.eval_requested]))
+
+        return result