Refactored parsers to introduce priority

parsers/BaseParser.py

@@ -38,12 +38,15 @@ class UnexpectedTokenErrorNode(ErrorNode):
 class BaseParser:
     PREFIX = "parsers."
 
-    def __init__(self, name):
+    def __init__(self, name, priority: int, enabled=True):
         self.log = get_logger("parsers." + self.__class__.__name__)
         self.init_log = get_logger("init." + self.PREFIX + self.__class__.__name__)
         self.verbose_log = get_logger("verbose." + self.PREFIX + self.__class__.__name__)
 
         self.name = self.PREFIX + name
+        self.priority = priority
+        self.enabled = enabled
+
         self.has_error = False
         self.error_sink = []
 
@@ -55,6 +58,9 @@ class BaseParser:
     def __hash__(self):
         return hash(self.name)
 
+    def __repr__(self):
+        return self.name
+
     def parse(self, context, text):
         pass
 

parsers/BnfParser.py

@@ -13,7 +13,7 @@ class UnexpectedEndOfFileError(ErrorNode):
     pass
 
 
-class BnfParser:
+class BnfParser(BaseParser):
     """
     Parser used to transform litteral into ParsingExpression
     example :
@@ -27,10 +27,11 @@ class BnfParser:
 
     """
 
-    def __init__(self):
-        self.has_error = False
-        self.error_sink = []
-        self.name = BaseParser.PREFIX + "Bnf"
+    def __init__(self, **kwargs):
+        super().__init__("Bnf", 50, False)
+        # self.has_error = False
+        # self.error_sink = []
+        # self.name = BaseParser.PREFIX + "Bnf"
 
         self.lexer_iter = None
         self._current = None

parsers/ConceptLexerParser.py

@@ -524,7 +524,7 @@ class ConceptMatch(Match):
 
 class ConceptLexerParser(BaseParser):
     def __init__(self, **kwargs):
-        super().__init__("ConceptLexer")
+        super().__init__("ConceptLexer", 50)
         if 'grammars' in kwargs:
             self.concepts_grammars = kwargs.get("grammars")
         elif 'sheerka' in kwargs:

parsers/DefaultParser.py

@@ -108,7 +108,7 @@ class DefaultParser(BaseParser):
     """
 
     def __init__(self, **kwargs):
-        BaseParser.__init__(self, "Default")
+        BaseParser.__init__(self, "Default", 50)
         self.lexer_iter = None
         self._current = None
         self.context: ExecutionContext = None

parsers/EmptyStringParser.py

@@ -8,7 +8,7 @@ class EmptyStringParser(BaseParser):
     """
 
     def __init__(self, **kwargs):
-        BaseParser.__init__(self, "EmptyString")
+        BaseParser.__init__(self, "EmptyString", 90)
 
     def parse(self, context, text):
         sheerka = context.sheerka

parsers/ExactConceptParser.py

@@ -14,7 +14,7 @@ class ExactConceptParser(BaseParser):
     MAX_WORDS_SIZE = 10
 
     def __init__(self, **kwargs):
-        BaseParser.__init__(self, "ExactConcept")
+        BaseParser.__init__(self, "ExactConcept", 80)
 
     def parse(self, context, text):
         """

parsers/PythonParser.py

@@ -59,7 +59,7 @@ class PythonParser(BaseParser):
 
     def __init__(self, **kwargs):
 
-        BaseParser.__init__(self, "Python")
+        BaseParser.__init__(self, "Python", 50)
         self.source = kwargs.get("source", "<undef>")
 
     def parse(self, context, text):