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