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Add mapIntroducedAvailabilityVersion and mapDeprecatedObsoletedAvailabilityVersion to DarwinSDKInfo.h #8343

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Add mapIntroducedAvailabilityVersion and mapDeprecatedObsoletedAvailabilityVersion to DarwinSDKInfo.h #8343

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24 changes: 24 additions & 0 deletions clang/include/clang/Basic/DarwinSDKInfo.h
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Original file line number Diff line number Diff line change
Expand Up @@ -105,6 +105,30 @@ class DarwinSDKInfo {
map(const VersionTuple &Key, const VersionTuple &MinimumValue,
std::optional<VersionTuple> MaximumValue) const;

/// Remap the 'introduced' availability version.
/// If None is returned, the 'unavailable' availability should be used
/// instead.
std::optional<VersionTuple>
mapIntroducedAvailabilityVersion(const VersionTuple &Key) const {
// API_TO_BE_DEPRECATED is 100000.
if (Key.getMajor() == 100000)
return VersionTuple(100000);
// Use None for maximum to force unavailable behavior for
return map(Key, MinimumValue, std::nullopt);
}

/// Remap the 'deprecated' and 'obsoleted' availability version.
/// If None is returned for 'obsoleted', the 'unavailable' availability
/// should be used instead. If None is returned for 'deprecated', the
/// 'deprecated' version should be dropped.
std::optional<VersionTuple>
mapDeprecatedObsoletedAvailabilityVersion(const VersionTuple &Key) const {
// API_TO_BE_DEPRECATED is 100000.
if (Key.getMajor() == 100000)
return VersionTuple(100000);
return map(Key, MinimumValue, MaximumValue);
}

static std::optional<RelatedTargetVersionMapping>
parseJSON(const llvm::json::Object &Obj,
VersionTuple MaximumDeploymentTarget);
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