Merge pull request #17 from jg-rp/refactor-lexer

Refactor `Lexer` to avoid `lex_string_factory`

Author: jg-rp

jsonpath_rfc9535/exceptions.py

@@ -27,6 +27,7 @@ def __str__(self) -> str:
         if not self.token:
             return msg
 
+        # TODO: Pretty error messages with current line and visual pointer.
         line, column = self.token.position()
         return f"{msg}, line {line}, column {column}"