[clang] [clang-bindings] Add strict typing to clang Python bindings (#76664) (PR #78114)

[Jannick Kremer via cfe-commits]

================
@@ -67,89 +67,690 @@
 import clang.enumerations
 
 import os
-import sys
-
-if sys.version_info[0] == 3:
-    # Python 3 strings are unicode, translate them to/from utf8 for C-interop.
-    class c_interop_string(c_char_p):
-        def __init__(self, p=None):
-            if p is None:
-                p = ""
-            if isinstance(p, str):
-                p = p.encode("utf8")
-            super(c_char_p, self).__init__(p)
-
-        def __str__(self):
-            return self.value
-
-        @property
-        def value(self):
-            if super(c_char_p, self).value is None:
-                return None
-            return super(c_char_p, self).value.decode("utf8")
-
-        @classmethod
-        def from_param(cls, param):
-            if isinstance(param, str):
-                return cls(param)
-            if isinstance(param, bytes):
-                return cls(param)
-            if param is None:
-                # Support passing null to C functions expecting char arrays
-                return None
-            raise TypeError(
-                "Cannot convert '{}' to '{}'".format(type(param).__name__, cls.__name__)
-            )
+from enum import Enum
+
+from typing import (
+    Any,
----------------
DeinAlptraum wrote:

I used Any (mostly) to label ununused arguments. More specific annotations would have been possible in some cases, but I did not find this worth the effort. 

https://github.com/llvm/llvm-project/pull/78114