some new features

.venv/lib/python3.12/site-packages/Cython/Plex/Errors.py

@@ -0,0 +1,48 @@
+"""
+Python Lexical Analyser
+
+Exception classes
+"""
+
+
+class PlexError(Exception):
+    message = ""
+
+
+class PlexTypeError(PlexError, TypeError):
+    pass
+
+
+class PlexValueError(PlexError, ValueError):
+    pass
+
+
+class InvalidToken(PlexError):
+    def __init__(self, token_number, message):
+        PlexError.__init__(self, "Token number %d: %s" % (token_number, message))
+
+
+class InvalidScanner(PlexError):
+    pass
+
+
+class AmbiguousAction(PlexError):
+    message = "Two tokens with different actions can match the same string"
+
+    def __init__(self):
+        pass
+
+
+class UnrecognizedInput(PlexError):
+    scanner = None
+    position = None
+    state_name = None
+
+    def __init__(self, scanner, state_name):
+        self.scanner = scanner
+        self.position = scanner.get_position()
+        self.state_name = state_name
+
+    def __str__(self):
+        return ("'%s', line %d, char %d: Token not recognised in state %r" % (
+            self.position + (self.state_name,)))