Introduced ConceptsAlgebra

src/core/builtin_concepts.py

@@ -53,6 +53,7 @@ class BuiltinConcepts(Enum):
 
     # builtin attributes
     ISA = "is a"  # when a concept is an instance of another one
+    HASA = "has a"  # when a concept has/owns another concept
     AUTO_EVAL = "auto eval"  # when the concept must be auto evaluated
 
     # object
@@ -74,7 +75,8 @@ class BuiltinConcepts(Enum):
     IS_EMPTY = "is empty"  # when a set is empty
     NO_RESULT = "no result"  # no return value returned
     INVALID_RETURN_VALUE = "invalid return value"  # the return value of an evaluator is not correct
-    ALREADY_DEFINED = "already defined"  # when you try to add the same object twice (a concept or whatever)
+    CONCEPT_ALREADY_DEFINED = "concept already defined"  # when you try to add the same object twice (a concept or whatever)
+    PROPERTY_ALREADY_DEFINED = "property already defined"  # When you try to add the same element in a property
     NOP = "no operation"  # no operation concept. Does nothing
     CONCEPT_EVAL_ERROR = "concept evaluation error"  # cannot evaluate a property or metadata of a concept
     ENUMERATION = "enum"  # represents a list or a set
@@ -171,7 +173,8 @@ BuiltinErrors = [str(e) for e in {
     BuiltinConcepts.TOO_MANY_ERRORS,
     BuiltinConcepts.MULTIPLE_ERRORS,
     BuiltinConcepts.INVALID_RETURN_VALUE,
-    BuiltinConcepts.ALREADY_DEFINED,
+    BuiltinConcepts.CONCEPT_ALREADY_DEFINED,
+    BuiltinConcepts.PROPERTY_ALREADY_DEFINED,
     BuiltinConcepts.CONCEPT_EVAL_ERROR,
     BuiltinConcepts.CONCEPT_ALREADY_IN_SET,
     BuiltinConcepts.NOT_A_SET,
@@ -479,6 +482,33 @@ class ConceptAlreadyInSet(Concept):
         return self.get_value("concept_set")
 
 
+class PropertyAlreadyDefined(Concept):
+    def __init__(self, property_name=None, property_value=None, concept=None):
+        super().__init__(BuiltinConcepts.PROPERTY_ALREADY_DEFINED,
+                         True,
+                         False,
+                         BuiltinConcepts.PROPERTY_ALREADY_DEFINED)
+        self.set_value(ConceptParts.BODY, property_name)
+        self.set_value("property_value", property_value)
+        self.set_value("concept", concept)
+        self.metadata.is_evaluated = True
+
+    def __repr__(self):
+        return f"PropertyAlreadyDefined(property={self.property_name}, value={self.property_value}, concept={self.concept})"
+
+    @property
+    def property_name(self):
+        return self.body
+
+    @property
+    def property_value(self):
+        return self.get_value("property_value")
+
+    @property
+    def concept(self):
+        return self.get_value("concept")
+
+
 class ConditionFailed(Concept):
     def __init__(self, condition=None, concept=None, prop=None):
         super().__init__(BuiltinConcepts.CONDITION_FAILED,