[clang] [libclang/python] Sync python kinds with Index.h enums (PR #143264)

[Vlad Serebrennikov via cfe-commits]

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@@ -44,10 +34,70 @@ def test_from_id(self):
             with self.assertRaises(ValueError):
                 enum.from_id(-1)
 
-    def test_duplicate_ids(self):
-        """Check that no two kinds have the same id"""
-        # for enum in self.enums:
+    def test_all_variants(self):
+        """Check that all libclang enum values are also defined in cindex.py"""
+        cenum_to_pythonenum = {
+            "CX_CXXAccessSpecifier": AccessSpecifier,
+            "CX_StorageClass": StorageClass,
+            "CXAvailabilityKind": AvailabilityKind,
+            "CXBinaryOperatorKind": BinaryOperator,
+            "CXCursorKind": CursorKind,
+            "CXCursor_ExceptionSpecificationKind": ExceptionSpecificationKind,
+            "CXLanguageKind": LanguageKind,
+            "CXLinkageKind": LinkageKind,
+            "CXPrintingPolicyProperty": PrintingPolicyProperty,
+            "CXRefQualifierKind": RefQualifierKind,
+            "CXTemplateArgumentKind": TemplateArgumentKind,
+            "CXTLSKind": TLSKind,
+            "CXTokenKind": TokenKind,
+            "CXTypeKind": TypeKind,
+        }
+
+        indexheader = (
+            Path(__file__).parent.parent.parent.parent.parent
+            / "include/clang-c/Index.h"
+        )
+        # FIXME: Index.h is a C file, but we read it as a C++ file because we
+        # don't get ENUM_CONSTANT_DECL cursors otherwise, which we need here
+        # See bug report: https://github.com/llvm/llvm-project/issues/159075
+        tu = TranslationUnit.from_source(indexheader, ["-x", "c++"])
+
+        enum_variant_map = {}
+        # For all enums in self.enums, extract all enum variants defined in Index.h
+        for cursor in tu.cursor.walk_preorder():
+            python_enum = cenum_to_pythonenum.get(cursor.type.spelling)
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Endilll wrote:

Can you move this one line below, closer to where `python_enum` is used?

https://github.com/llvm/llvm-project/pull/143264