Added SyaNodeParser (finally, after one month)

src/evaluators/MultipleErrorsEvaluator.py

@@ -0,0 +1,51 @@
+from core.builtin_concepts import BuiltinConcepts
+from evaluators.BaseEvaluator import AllReturnValuesEvaluator
+from parsers.BaseParser import BaseParser
+
+
+class MultipleErrorsEvaluator(AllReturnValuesEvaluator):
+    """
+    Use to reduce to evaluator errors
+    All parser error will be discarded
+    Cannot match if there is at least one successful evaluator
+    """
+    NAME = "MultipleErrors"
+
+    def __init__(self):
+        super().__init__(self.NAME, [BuiltinConcepts.AFTER_EVALUATION], 30)
+        self.return_values_in_error = []
+
+    def matches(self, context, return_values):
+        nb_evaluators_in_error = 0
+        to_process = False
+
+        for ret in return_values:
+            if ret.status and (ret.who.startswith(self.PREFIX) or 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 not ret.status and ret.who.startswith(self.PREFIX):
+                nb_evaluators_in_error += 1
+                self.return_values_in_error.append(ret)
+                self.eaten.append(ret)
+            elif not ret.status and ret.who.startswith(BaseParser.PREFIX):
+                self.eaten.append(ret)
+            # else:
+            # other concepts. We do not care if there are successful or not
+            # They won't be part of result nor part of the parent
+            # --> So they will be handled by other evaluators
+
+        return to_process and nb_evaluators_in_error > 1
+
+    def eval(self, context, return_values):
+        context.log(f"{len(self.return_values_in_error)} return value in error, {len(self.eaten)} item(s) eaten",
+                    who=self)
+        context.log(f"{self.return_values_in_error}", who=self)
+
+        sheerka = context.sheerka
+        return sheerka.ret(
+            self.name,
+            False,
+            sheerka.new(BuiltinConcepts.MULTIPLE_ERRORS, body=self.return_values_in_error),
+            parents=self.eaten)