[clang] [Clang] Implement P3034R1 Module Declarations Shouldn’t be Macros (PR #90574)

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@@ -3071,6 +3073,45 @@ struct EmbedAnnotationData {
 /// Registry of pragma handlers added by plugins
 using PragmaHandlerRegistry = llvm::Registry<PragmaHandler>;
 
+/// Module/Partition name token sequance.
+///
+///     module-name:
+///           module-name-qualifier[opt] identifier
+///
+///     module-name-qualifier
+///           module-name-qualifier[opt] identifier .
+class ModuleNameInfo {
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yronglin wrote:

Added more comments.

https://github.com/llvm/llvm-project/pull/90574