zturner added inline comments.
================
Comment at: source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp:1614-1622
@@ -1611,9 +1613,11 @@
TypeSystem *type_system = compiler_type.GetTypeSystem();
- if (type_system)
- {
- DWARFASTParser *dwarf_ast = type_system->GetDWARFParser();
- if (dwarf_ast)
- return dwarf_ast->CanCompleteType(compiler_type);
- }
- return false;
+ ClangASTContext *clang_type_system =
llvm::dyn_cast_or_null<ClangASTContext>(type_system);
+ if (!clang_type_system)
+ return false;
+
+ DWARFASTParser *ast_parser = clang_type_system->GetDWARFParser();
+ if (!ast_parser)
+ return false;
+
+ return ast_parser->CanCompleteType(compiler_type);
}
----------------
clayborg wrote:
> This can be reverted since GetDWARFParser is stying in TypeSystem
Ahh, you've actually alerted me to a subtle bug. `CanCompleteType` and
`CompleteType` are not even implemented by `DWARFASTParserClang` anymore,
because they were just forwards into the `ClangASTImporter`. So instead people
are expected to call `ast_parser->GetClangASTImporter().CanImport()` or
`ast_parser->GetClangASTImporter().Import()`. So the code here is actually
calling the `CanCompleteType` method in the base class `DWARFASTParser` which
simply returns false.
So I'll need to change this to delete the empty implementations from the base
class, and call straight into the `ClangASTImporter`.
http://reviews.llvm.org/D18381
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