Fixed first token recognition when creating bnf concepts

2020-05-29 08:52:06 +02:00
parent 479461c0a4
commit c498b394e3
11 changed files with 125 additions and 24 deletions
@@ -162,11 +162,17 @@ class BaseParser:
        if len(self.error_sink) == 1 and isinstance(self.error_sink[0], Concept):
            return self.error_sink[0]

+        if self.has_error:
+            return sheerka.new(
+                BuiltinConcepts.ERROR,
+                body=self.error_sink
+            )
+
        return sheerka.new(
            BuiltinConcepts.PARSER_RESULT,
            parser=self,
            source=source,
-            body=self.error_sink if self.has_error else tree,
+            body=tree,
            try_parsed=try_parse)

    def get_input_as_text(self, parser_input, custom_switcher=None, tracker=None):