[clang-tools-extra] [clang-tidy] Header check support for check_clang_tidy.py (PR #175735)

[via cfe-commits]

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@@ -121,6 +122,18 @@ def __init__(self, args: argparse.Namespace, extra_args: List[str]) -> None:
             self.clang_extra_args = self.clang_tidy_extra_args[i + 1 :]
             self.clang_tidy_extra_args = self.clang_tidy_extra_args[:i]
 
+        self.check_header_map: Dict[str, str] = {}
+        self.header_dir: str = self.temp_file_name + ".headers"
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EugeneZelenko wrote:

Type should be inferred in this case. Please use f-string.

https://github.com/llvm/llvm-project/pull/175735