Implemented a first and basic version of a Rete rule engine

src/parsers/BaseNodeParser.py

@@ -42,6 +42,9 @@ class LexerNode(Node):
     def to_short_str(self):
         raise NotImplementedError
 
+    def get_source_to_parse(self):
+        return self.source
+
 
 class UnrecognizedTokensNode(LexerNode):
     def __init__(self, start, end, tokens):
@@ -296,6 +299,12 @@ class SourceCodeNode(LexerNode):
     def to_short_str(self):
         return f"SCN('{self.source}')"
 
+    def get_python_node(self):
+        return self.python_node
+
+    def get_source_to_parse(self):
+        return self.python_node.source
+
 
 class SourceCodeWithConceptNode(LexerNode):
     """
@@ -409,6 +418,12 @@ class SourceCodeWithConceptNode(LexerNode):
     def to_short_str(self):
         return f"SCWC({self.first}" + ", ".join(n.to_short_str for n in self.nodes) + f"{self.last})"
 
+    def get_python_node(self):
+        return self.python_node
+
+    def get_source_to_parse(self):
+        return self.python_node.source
+
 
 @dataclass()
 class GrammarErrorNode(ParsingError):