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#include "clang/ExtractAPI/AvailabilityInfo.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Attr.h"
#include "clang/Basic/TargetInfo.h"
#include "llvm/ADT/STLExtras.h"
using namespace clang::extractapi;
using namespace llvm;
AvailabilityInfo AvailabilityInfo::createFromDecl(const Decl *Decl) {
ASTContext &Context = Decl->getASTContext();
StringRef PlatformName = Context.getTargetInfo().getPlatformName();
AvailabilityInfo Availability;
// Collect availability attributes from all redeclarations.
for (const auto *RD : Decl->redecls()) {
for (const auto *A : RD->specific_attrs<AvailabilityAttr>()) {
if (A->getPlatform()->getName() != PlatformName)
continue;
Availability = AvailabilityInfo(
A->getPlatform()->getName(), A->getIntroduced(), A->getDeprecated(),
A->getObsoleted(), A->getUnavailable(), false, false);
break;
}
if (const auto *A = RD->getAttr<UnavailableAttr>())
if (!A->isImplicit())
Availability.UnconditionallyUnavailable = true;
if (const auto *A = RD->getAttr<DeprecatedAttr>())
if (!A->isImplicit())
Availability.UnconditionallyDeprecated = true;
}
return Availability;
}
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