Fixed #101 : Implement PLURIAL

Fixed #103 : Implement PlurialNodeParser
Fixed #104 : Implement dynamic concept
Fixed #107 : PrepareEvalxxxEvaluator: context hints are lost on a second evaluation

tests/parsers/test_FunctionParser.py

@@ -3,6 +3,7 @@ import pytest
 from core.builtin_concepts import BuiltinConcepts
 from core.concept import Concept
 from core.sheerka.services.SheerkaExecute import ParserInput
+from parsers.BaseNodeParser import SourceCodeWithConceptNode
 from parsers.BaseParser import ErrorSink
 from parsers.FunctionParser import FunctionParser
 from parsers.PythonParser import PythonErrorNode
@@ -192,6 +193,17 @@ class TestFunctionParser(TestUsingMemoryBasedSheerka):
         assert expression.python_node is not None
         assert expression.return_value is not None
 
+    def test_i_can_parse_when_the_parameter_is_a_dynamic_concept(self):
+        sheerka, context, parser = self.init_parser()
+
+        text = "func(ones)"
+        res = parser.parse(context, ParserInput(text))
+
+        assert res.status
+        assert isinstance(res.body.body, SourceCodeWithConceptNode)
+        assert res.body.body.python_node.source == 'func(__C__ones__1001___PLURAL__C__)'
+        assert "__C__ones__1001___PLURAL__C__" in res.body.body.python_node.objects
+
     @pytest.mark.parametrize("text, expected_error_type", [
         ("one", BuiltinConcepts.NOT_FOR_ME),  # no function found
         ("$*!", BuiltinConcepts.NOT_FOR_ME),  # no function found