lib/AST/ASTImporter.cpp

3264 ///  - True, found a declaration inside \c ParentDC.
3265 ///  - False, found declarations only outside \c ParentDC and it is not possible
3267 ///  - Empty optional value, found no declarations or only outside \c ParentDC,
3276   IsTypeDeclaredInsideVisitor(const FunctionDecl *ParentDC)
3277       : ParentDC(ParentDC) {}
3286         T.getSingleStepDesugaredType(ParentDC->getParentASTContext());
3291       DsT = T.getSingleStepDesugaredType(ParentDC->getParentASTContext());
3301     return isAncestorDeclContextOf(ParentDC, T->getDecl());
3315     return isAncestorDeclContextOf(ParentDC, TD);
3320         isAncestorDeclContextOf(ParentDC, T->getFoundDecl()))
3336     if (T->getSizeExpr() && isAncestorDeclContextOf(ParentDC, T->getSizeExpr()))
3358   const DeclContext *const ParentDC;
3369       return isAncestorDeclContextOf(ParentDC, Arg.getAsExpr());
3372       return isAncestorDeclContextOf(ParentDC, Arg.getAsDecl());
3383       // A template passed as argument can be not in ParentDC.
3387       // A template passed as argument can be not in ParentDC.