[clang] [clang][ExtractAPI] combine typedef records if the underlying type's name is underscored (PR #125964)

[Pete Lawrence via cfe-commits]

https://github.com/PortalPete edited 
https://github.com/llvm/llvm-project/pull/125964
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[clang] [clang][ExtractAPI] combine typedef records if the underlying type's name is underscored (PR #125964)

[Pete Lawrence via cfe-commits]

@@ -1146,11 +1146,29 @@ bool 
ExtractAPIVisitorBase::VisitTypedefNameDecl(
 
   StringRef Name = Decl->getName();
 
+  auto nameMatches = [&Name](TagDecl *TagDecl) {
+StringRef TagName = TagDecl->getName();
+
+if (TagName == Name)
+  return true;
+
+// Also check whether the tag decl's name is the same as the typedef name
+// with prefixed underscores
+if (TagName.starts_with('_')) {

PortalPete wrote:

Is it worth catching a `typedef` of a `typedef` that also begins with an 
underscore?
This could go into a loop, perhaps with some sort of upper iteration limit, say 
`5` to catch daisy-chain types.

https://github.com/llvm/llvm-project/pull/125964
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[clang] [clang][ExtractAPI] combine typedef records if the underlying type's name is underscored (PR #125964)

[Pete Lawrence via cfe-commits]

https://github.com/PortalPete edited 
https://github.com/llvm/llvm-project/pull/125964
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[clang] [clang][ExtractAPI] combine typedef records if the underlying type's name is underscored (PR #125964)

[Pete Lawrence via cfe-commits]

https://github.com/PortalPete edited 
https://github.com/llvm/llvm-project/pull/125964
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[clang] [clang][ExtractAPI] combine typedef records if the underlying type's name is underscored (PR #125964)

[Pete Lawrence via cfe-commits]

https://github.com/PortalPete edited 
https://github.com/llvm/llvm-project/pull/125964
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