Rintaro Ishizaki 03bf349778 [Macros] Improve visitation of auxiliary decls ...

Use the same pattern as 'getAllMembers()'. This supports nested macro
expansion:
```
std::function<void(Decl *)> visit;
visit = [&](Decl *d) {
  doIt(d);
  d->visitAuxiliaryDecls(visit);
};
for (auto *d : decls)
  visit(d);
```

Don't visit auxiliary decls in `PrintAST::visit(Decl *)` this function
is only intended for single decl printing. The caller should visit them
separately. For that, add
`ModuleDecl::getTopLevelDeclsWithAuxiliaryDecls()`

2023-10-23 14:51:12 -07:00

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