First implementation of questions management

src/core/builtin_concepts.py

@@ -18,10 +18,10 @@ class BuiltinConcepts(Enum):
     # processing instructions during sheerka.execute()
     EVAL_BODY_REQUESTED = "eval body"  # to evaluate the body
     EVAL_WHERE_REQUESTED = "eval where"  # to evaluate the where clause
-    RETURN_VALUE_REQUESTED = "return value"  # returns the body of the concept instead of the concept itself
+    RETURN_BODY_REQUESTED = "return body"  # returns the body of the concept instead of the concept itself
     REDUCE_REQUESTED = "reduce"  # remove meaningless error when possible
     EVAL_UNTIL_SUCCESS_REQUESTED = "eval until success"  # PythonEvaluator tries combination until True is found
-    QUESTION_REQUESTED = "question"  # a question is asked
+    EVAL_QUESTION_REQUESTED = "question"  # the user input must be treated as question
 
     # possible actions during sheerka.execute()
     INIT_SHEERKA = "init sheerka"  #
@@ -36,6 +36,7 @@ class BuiltinConcepts(Enum):
     BEFORE_RENDERING = "before rendering"  # activate before the output is rendered
     RENDERING = "rendering"  # rendering the response from sheerka
     AFTER_RENDERING = "after rendering"  # rendering the response from sheerka
+    EVALUATE_SOURCE = "evaluate source"  #
     EVALUATE_CONCEPT = "evaluate concept"  # a concept will be evaluated
     EVALUATING_CONCEPT = "evaluating concept"  # a concept will be evaluated
     EVALUATING_ATTRIBUTE = "evaluating concept attribute"  #
@@ -45,7 +46,7 @@ class BuiltinConcepts(Enum):
     INIT_BNF = "initialize bnf"
     MANAGE_INFINITE_RECURSION = "manage infinite recursion"
     PARSE_CODE = "execute source code"
-    EXEC_CODE = "execute source code"
+    EXEC_CODE = "execute source code"  # to use when executing Python or other language compiled code
     TESTING = "testing"
 
     # builtin attributes
@@ -69,6 +70,7 @@ class BuiltinConcepts(Enum):
     MULTIPLE_ERRORS = "multiple errors"  # filter the result, only keep evaluator in error
     NOT_FOR_ME = "not for me"  # a parser recognize that the entry is not meant for it
     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
     CONCEPT_ALREADY_DEFINED = "concept already defined"  # when you try to add the same concept twice
     NOP = "no operation"  # no operation concept. Does nothing
@@ -119,10 +121,10 @@ class BuiltinConcepts(Enum):
 BuiltinUnique = [
     BuiltinConcepts.EVAL_BODY_REQUESTED,
     BuiltinConcepts.EVAL_WHERE_REQUESTED,
-    BuiltinConcepts.RETURN_VALUE_REQUESTED,
+    BuiltinConcepts.RETURN_BODY_REQUESTED,
     BuiltinConcepts.REDUCE_REQUESTED,
     BuiltinConcepts.EVAL_UNTIL_SUCCESS_REQUESTED,
-    BuiltinConcepts.QUESTION_REQUESTED,
+    BuiltinConcepts.EVAL_QUESTION_REQUESTED,
 
     BuiltinConcepts.INIT_SHEERKA,
     BuiltinConcepts.PROCESS_INPUT,
@@ -341,8 +343,11 @@ class ParserResultConcept(Concept):
         if not isinstance(other, ParserResultConcept):
             return False
 
+        self_parser_name = self.get_parser_name(self.parser)
+        other_parser_name = self.get_parser_name(other.parser)
+
         return self.source == other.source and \
-               self.parser == other.parser and \
+               self_parser_name == other_parser_name and \
                self.body == other.body and \
                self.try_parsed == other.try_parsed
 
@@ -365,6 +370,11 @@ class ParserResultConcept(Concept):
     def parser(self):
         return self.get_value("parser")
 
+    @staticmethod
+    def get_parser_name(parser):
+        from parsers.BaseParser import BaseParser
+        return parser.name if isinstance(parser, BaseParser) else str(parser)
+
 
 class InvalidReturnValueConcept(Concept):
     """