[clang] [clang][Python] Apply type annotations to Python (PR #173845)

[Vlad Serebrennikov via cfe-commits]

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@@ -277,9 +284,9 @@ class SourceLocation(Structure):
     """
 
     _fields_ = [("ptr_data", c_void_p * 2), ("int_data", c_uint)]
-    _data = None
+    _data: tuple[File | None, int, int, int] | None = None
 
-    def _get_instantiation(self):
+    def _get_instantiation(self) -> tuple[File | None, int, int, int]:
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Endilll wrote:

I like to see the return type spelled out, but it is complicated enough and is used twice, so I'd like to see it named.

https://github.com/llvm/llvm-project/pull/173845