First version of explain. Creating a new parser was a wrong approach. Need to reimplement

src/parsers/BaseNodeParser.py

@@ -469,6 +469,50 @@ class CNC(CN):
         return txt + ")"
 
 
+class UTN(HelperWithPos):
+    """
+    Tester class for UnrecognizedTokenNode
+    compare the source, and start, end  if defined
+    """
+
+    def __init__(self, source, start=None, end=None):
+        """
+        :param concept: Concept or concept_key (only the key is used anyway)
+        :param start:
+        :param end:
+        :param source:
+        """
+        super().__init__(start, end)
+        self.source = source
+
+    def __eq__(self, other):
+        if id(self) == id(other):
+            return True
+
+        if isinstance(other, UnrecognizedTokensNode):
+            return self.start == other.start and \
+                   self.end == other.end and \
+                   self.source == other.source
+
+        if not isinstance(other, UTN):
+            return False
+
+        return self.start == other.start and \
+               self.end == other.end and \
+               self.source == other.source
+
+    def __hash__(self):
+        return hash((self.source, self.start, self.end))
+
+    def __repr__(self):
+        txt = f"UTN( source='{self.source}'"
+        if self.start is not None:
+            txt += f", start={self.start}"
+        if self.end is not None:
+            txt += f", end={self.end}"
+        return txt + ")"
+
+
 class BaseNodeParser(BaseParser):
     def __init__(self, name, priority, **kwargs):
         super().__init__(name, priority)
@@ -623,47 +667,3 @@ class BaseNodeParser(BaseParser):
             return token.value.value
         else:
             return token.value
-
-
-class UTN(HelperWithPos):
-    """
-    Tester class for UnrecognizedTokenNode
-    compare the source, and start, end  if defined
-    """
-
-    def __init__(self, source, start=None, end=None):
-        """
-        :param concept: Concept or concept_key (only the key is used anyway)
-        :param start:
-        :param end:
-        :param source:
-        """
-        super().__init__(start, end)
-        self.source = source
-
-    def __eq__(self, other):
-        if id(self) == id(other):
-            return True
-
-        if isinstance(other, UnrecognizedTokensNode):
-            return self.start == other.start and \
-                   self.end == other.end and \
-                   self.source == other.source
-
-        if not isinstance(other, UTN):
-            return False
-
-        return self.start == other.start and \
-               self.end == other.end and \
-               self.source == other.source
-
-    def __hash__(self):
-        return hash((self.source, self.start, self.end))
-
-    def __repr__(self):
-        txt = f"UTN( source='{self.source}'"
-        if self.start is not None:
-            txt += f", start={self.start}"
-        if self.end is not None:
-            txt += f", end={self.end}"
-        return txt + ")"