| #include "clang/ExtractAPI/AvailabilityInfo.h" |
| #include "clang/AST/Attr.h" |
| #include "llvm/ADT/STLExtras.h" |
| |
| using namespace clang; |
| using namespace extractapi; |
| |
| AvailabilitySet::AvailabilitySet(const Decl *Decl) { |
| // Collect availability attributes from all redeclrations. |
| for (const auto *RD : Decl->redecls()) { |
| if (const auto *A = RD->getAttr<UnavailableAttr>()) { |
| if (!A->isImplicit()) { |
| this->Availabilities.clear(); |
| UnconditionallyUnavailable = true; |
| } |
| } |
| |
| if (const auto *A = RD->getAttr<DeprecatedAttr>()) { |
| if (!A->isImplicit()) { |
| this->Availabilities.clear(); |
| UnconditionallyDeprecated = true; |
| } |
| } |
| |
| for (const auto *Attr : RD->specific_attrs<AvailabilityAttr>()) { |
| StringRef Domain = Attr->getPlatform()->getName(); |
| auto *Availability = |
| llvm::find_if(Availabilities, [Domain](const AvailabilityInfo &Info) { |
| return Domain.equals(Info.Domain); |
| }); |
| if (Availability != Availabilities.end()) { |
| // Get the highest introduced version for all redeclarations. |
| if (Availability->Introduced < Attr->getIntroduced()) |
| Availability->Introduced = Attr->getIntroduced(); |
| |
| // Get the lowest deprecated version for all redeclarations. |
| if (Availability->Deprecated > Attr->getDeprecated()) |
| Availability->Deprecated = Attr->getDeprecated(); |
| |
| // Get the lowest obsoleted version for all redeclarations. |
| if (Availability->Obsoleted > Attr->getObsoleted()) |
| Availability->Obsoleted = Attr->getObsoleted(); |
| } else { |
| Availabilities.emplace_back(Domain, Attr->getIntroduced(), |
| Attr->getDeprecated(), Attr->getObsoleted(), |
| Attr->getUnavailable()); |
| } |
| } |
| } |
| } |