================
@@ -80,6 +80,81 @@ struct Response {
return R;
}
};
+
+// Retrieve the primary template for a lambda call operator. It's
+// unfortunate that we only have the mappings of call operators rather
+// than lambda classes.
+const FunctionDecl *
+getPrimaryTemplateOfGenericLambda(const FunctionDecl *LambdaCallOperator) {
+ while (true) {
----------------
zyn0217 wrote:
(Sorry for replying this late, I just got around to this PR.)
> What cases do we have where this takes more than 1 step?
The lambda itself might be defined within a template, and I presume
transforming that template introduces multilevel mappings.
> I also wonder if we'd be better off finding the primary `CXXRecordDecl`, then
> picking it up from there? We could use `getTemplateInstantiationPattern` then
> `getDescribedClassTemplate` I think?
If we examine `TemplateInstantiator::transformedLocalDecl`, we'd see there's
only handling for `CXXMethodDecls` of adding such mappings that we can extract
from the Decls themselves. I think it is possible that we can use the primary
`CXXRecordDecl` approach, although looking for that Decl might involve handling
`LocalInstantiationScopes`, which IMO is not super straightforward.
https://github.com/llvm/llvm-project/pull/82310
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