[Lldb-commits] [PATCH] D75488: Preserve the owning module information from DWARF in the synthesized AST
Pavel Labath via Phabricator via lldb-commits
lldb-commits at lists.llvm.org
Thu Mar 5 01:41:28 PST 2020
labath added a comment.
Thanks for splitting this up. This does make things much easier to understand.
I don't have any real objections to this, but I have some "thoughts" in inline comments.
================
Comment at: lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp:214-215
&pcm_type_sp->GetDeclaration(), type, Type::ResolveState::Forward));
+ TypePayloadClang(type_sp->GetPayload())
+ .SetOwningModuleID(GetOwningModuleID(die));
----------------
Did you deliberately not include the payload as an argument to the Type constructor? I can understand not wanting to add a extra argument to that constructor, but OTOH, having this in the constructor would make it harder to forget setting the module id when creating a type elsewhere. (And it's always nice to have immutable members if it is possible.)
================
Comment at: lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp:221-237
+ if (tag_decl) {
+ TypeSystemClang::SetOwningModule(tag_decl, owning_module);
+ if (auto *rd = llvm::dyn_cast<clang::RecordDecl>(tag_decl))
+ for (clang::FieldDecl *fd : rd->fields())
+ TypeSystemClang::SetOwningModule(fd, owning_module);
+ if (auto *ed = llvm::dyn_cast<clang::EnumDecl>(tag_decl))
+ for (clang::EnumConstantDecl *ecd : ed->enumerators())
----------------
I don't know how feasible this is, but it has occurred to me that this is basically repeating the same structure iteration that would be done as a part of the import a couple of lines above. If would be nice if the importer could somehow set this property automatically.
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https://reviews.llvm.org/D75488/new/
https://reviews.llvm.org/D75488
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