Fixed parsing of BNF concepts mixed with isaset concepts

src/core/builtin_helpers.py

@@ -5,7 +5,7 @@ import core.ast.nodes
 from core.ast.nodes import CallNodeConcept
 from core.ast.visitors import UnreferencedNamesVisitor
 from core.builtin_concepts import BuiltinConcepts
-from core.concept import Concept
+from core.concept import Concept, NotInit
 from parsers.BaseNodeParser import SourceCodeNode, ConceptNode, UnrecognizedTokensNode
 from parsers.BaseParser import BaseParser, ErrorNode
 
@@ -324,6 +324,11 @@ def ensure_evaluated(context, concept):
     if concept.metadata.is_evaluated:
         return concept
 
+    # do not try to evaluate concept that are not fully initialized
+    for var in concept.metadata.variables:
+        if var[0] not in concept.values or concept.get_value(var[0]) == NotInit:
+            return concept
+
     with context.push(BuiltinConcepts.EVALUATE_CONCEPT, concept, desc=f"Evaluating concept {concept}") as sub_context:
         sub_context.local_hints.add(BuiltinConcepts.EVAL_BODY_REQUESTED)
         evaluated = context.sheerka.evaluate_concept(sub_context, concept)