python3kgae marked an inline comment as done.
python3kgae added inline comments.
================
Comment at: clang/include/clang/Sema/HLSLExternalSemaSource.h:58
+/// them before we initialize the ExternalSemaSource base class.
+struct ChainedHLSLExternalSemaSourceMembers {
+ ChainedHLSLExternalSemaSourceMembers(ExternalSemaSource *ExtSema)
----------------
beanz wrote:
> python3kgae wrote:
> > beanz wrote:
> > > IIUC, this code just exists to make sure that the `ASTReader`
> > > deserializes before the external sema source starts adding things. Is
> > > that correct?
> > >
> > > If so, you don't need to do this, instead you can just add this code to
> > > `InitializeSema()` to force the `ASTReader` to de-serialize the decls:
> > >
> > > ```
> > > // If the translation unit has external storage force external decls to
> > > load.
> > > if (AST.getTranslationUnitDecl()->hasExternalLexicalStorage())
> > > (void)AST.getTranslationUnitDecl()->decls_begin();
> > > ```
> > Still need this to make sure HLSLSema and ExternalSema are initialized
> > before MultiplexExternalSemaSource.
> In FrontendAction, where you are creating the Chained source, you can instead
> create a Multiplex source, and put the PCH external source in as the first
> source and the HLSL one second. The PCH will get initialized first, the HLSL
> one can force the PCH one to populate the decls.
Asked how to resolve the issue in
https://discourse.llvm.org/t/is-it-possible-for-multiplexexternalsemasource-to-own-the-sources/64990
Hope someone can explain why multiplexexternalsemasource doesn't own the
Sources.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D132421/new/
https://reviews.llvm.org/D132421
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