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

evaluators/OneSuccessEvaluator.py

@@ -14,28 +14,31 @@ class OneSuccessEvaluator(AllReturnValuesEvaluator):
     NAME = "OneSuccess"
 
     def __init__(self):
-        super().__init__(self.NAME, [BuiltinConcepts.AFTER_EVALUATION], 10)
+        super().__init__(self.NAME, [BuiltinConcepts.AFTER_EVALUATION], 60)  # before MultipleSameSuccess
         self.successful_return_value = None
 
     def matches(self, context, return_values):
-        sheerka = context.sheerka
-        after_evaluation = False
         nb_successful_evaluators = 0
-        only_parsers = True
-        for ret in return_values:
-            if sheerka.isinstance(ret.value, BuiltinConcepts.AFTER_EVALUATION):
-                if ret.status:
-                    after_evaluation = True
-            elif ret.who.startswith(self.PREFIX):
-                if ret.status:
-                    nb_successful_evaluators += 1
-                    self.successful_return_value = ret
-            else:
-                if not ret.who.startswith(BaseParser.PREFIX):
-                    only_parsers = False
+        to_process = False
 
-        return after_evaluation and nb_successful_evaluators == 1 and only_parsers
+        for ret in return_values:
+            if ret.status and ret.who.startswith(BaseParser.PREFIX):
+                return False
+            elif ret.status and context.sheerka.isinstance(ret.body, BuiltinConcepts.REDUCE_REQUESTED):
+                to_process = True
+                self.eaten.append(ret)
+            elif ret.status and ret.who.startswith(self.PREFIX):
+                nb_successful_evaluators += 1
+                self.successful_return_value = ret
+                self.eaten.append(ret)
+            elif not ret.status:
+                self.eaten.append(ret)
+
+        return to_process and nb_successful_evaluators == 1
 
     def eval(self, context, return_values):
+        context.log(self.verbose_log, f"1 successful return value, {len(self.eaten)} item(s) eaten", who=self)
+        context.log(self.verbose_log, f"{self.successful_return_value}", who=self)
+
         sheerka = context.sheerka
-        return sheerka.ret(self.name, True, self.successful_return_value.value, parents=return_values)
+        return sheerka.ret(self.name, True, self.successful_return_value.value, parents=self.eaten)