Added SyaNodeParser (finally, after one month)

tests/parsers/test_BnfParser.py

@@ -3,10 +3,11 @@ import pytest
 from core.builtin_concepts import BuiltinConcepts
 from core.concept import Concept
 from core.tokenizer import Tokenizer, TokenKind, LexerError, Token
+from parsers.BaseNodeParser import cnode
 from parsers.BaseParser import UnexpectedTokenErrorNode
 from parsers.BnfParser import BnfParser, UnexpectedEndOfFileError
-from parsers.ConceptLexerParser import StrMatch, Optional, ZeroOrMore, OrderedChoice, Sequence, OneOrMore, \
-    ConceptLexerParser, ConceptExpression, cnode
+from parsers.BnfNodeParser import StrMatch, Optional, ZeroOrMore, OrderedChoice, Sequence, OneOrMore, \
+    BnfNodeParser, ConceptExpression
 
 from tests.TestUsingMemoryBasedSheerka import TestUsingMemoryBasedSheerka
 
@@ -155,7 +156,7 @@ class TestBnfParser(TestUsingMemoryBasedSheerka):
         bar_definition = regex_parser.parse(context, "foo ('one' | 'two')").value.value
 
         concepts = {bar: bar_definition, foo: foo_definition}
-        concept_parser = ConceptLexerParser()
+        concept_parser = BnfNodeParser()
         concept_parser.initialize(context, concepts)
 
         res = concept_parser.parse(context, "twenty two")