Fixed #29: Parsers: Implement parsing memoization

Fixed #77 : Parser: ShortTermMemoryParser should be called separately
Fixed #78 : Remove VariableNode usage
Fixed #79 : ConceptManager: Implement compile caching
Fixed #80 : SheerkaExecute : parsers_key is not correctly computed
Fixed #81 : ValidateConceptEvaluator : Validate concept's where and pre clauses right after the parsing
Fixed #82 : SheerkaIsAManager: isa() failed when the set as a body
Fixed #83 : ValidateConceptEvaluator : Support BNF and SYA Concepts
Fixed #84 : ExpressionParser: Implement the parser as a standard parser
Fixed #85 : Services: Give order to services
Fixed #86 : cannot manage smart_get_attr(the short, color)

tests/core/test_sheerka.py

@@ -75,7 +75,7 @@ class TestSheerkaUsingMemoryBasedSheerka(TestUsingMemoryBasedSheerka):
         assert loaded is not None
         assert sheerka.isinstance(loaded, BuiltinConcepts.UNKNOWN_CONCEPT)
         assert loaded.body == {"key": "key_that_does_not_exist"}
-        assert loaded.get_metadata().is_evaluated
+        assert loaded.get_hints().is_evaluated
 
     def test_i_cannot_get_when_id_is_not_found(self):
         sheerka = self.get_sheerka()
@@ -85,7 +85,7 @@ class TestSheerkaUsingMemoryBasedSheerka(TestUsingMemoryBasedSheerka):
         assert loaded is not None
         assert sheerka.isinstance(loaded, BuiltinConcepts.UNKNOWN_CONCEPT)
         assert loaded.body == {"id": "id_that_does_not_exist"}
-        assert loaded.get_metadata().is_evaluated
+        assert loaded.get_hints().is_evaluated
 
     def test_i_can_instantiate_a_builtin_concept_when_it_has_its_own_class(self):
         sheerka = self.get_sheerka()
@@ -192,15 +192,15 @@ class TestSheerkaUsingMemoryBasedSheerka(TestUsingMemoryBasedSheerka):
                                                                                   create_new=True).unpack()
 
         sheerka.evaluate_concept(context, sheerka.get_by_id(template.id))
-        assert template.get_metadata().is_evaluated
+        assert template.get_hints().is_evaluated
         assert template.body == "foo body"
 
         new = sheerka.new(template.key)
-        assert not new.get_metadata().is_evaluated
+        assert not new.get_hints().is_evaluated
         assert new.body == NotInit
 
         new = sheerka.new((None, template.id))
-        assert not new.get_metadata().is_evaluated
+        assert not new.get_hints().is_evaluated
         assert new.body == NotInit
 
     def test_i_cannot_instantiate_an_unknown_concept(self):