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[runtime] Clean up symbol exports in casting and class introspection. (#13005)

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This commit is contained in:
Greg Parker
2017-12-01 17:48:48 -08:00
committed by GitHub
parent a5d9ace6bf
commit 415b36dddc
7 changed files with 88 additions and 96 deletions
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85
stdlib/public/runtime/Casting.cpp
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@@ -113,7 +113,6 @@ std::string swift::nameForMetadata(const Metadata *type,
return result;
}
SWIFT_CC(swift)
TwoWordPair<const char *, uintptr_t>::Return
swift::swift_getTypeName(const Metadata *type, bool qualified) {
using Pair = TwoWordPair<const char *, uintptr_t>;
@@ -2972,9 +2971,13 @@ static id bridgeAnythingNonVerbatimToObjectiveC(OpaqueValue *src,
return (id)bridgeAnythingToSwiftValueObject(src, srcType, consume);
}
SWIFT_CC(swift) SWIFT_RUNTIME_STDLIB_INTERFACE
id _swift_bridgeAnythingNonVerbatimToObjectiveC(OpaqueValue *src,
const Metadata *srcType) {
/// public func _bridgeAnythingNonVerbatimToObjectiveC<T>(_ x: T) -> AnyObject
/// Called by inlined stdlib code.
#define _bridgeAnythingNonVerbatimToObjectiveC \
MANGLE_SYM(s38_bridgeAnythingNonVerbatimToObjectiveCyXlxlF)
SWIFT_CC(swift) SWIFT_RUNTIME_STDLIB_API
id _bridgeAnythingNonVerbatimToObjectiveC(OpaqueValue *src,
const Metadata *srcType) {
return bridgeAnythingNonVerbatimToObjectiveC(src, srcType, /*consume*/ true);
}
@@ -3031,8 +3034,12 @@ findBridgeWitness(const Metadata *T) {
return nullptr;
}
SWIFT_CC(swift) SWIFT_RUNTIME_STDLIB_INTERFACE
const Metadata *_swift_getBridgedNonVerbatimObjectiveCType(
// public func _getBridgedNonVerbatimObjectiveCType<T>(_: T.Type) -> Any.Type?
// Called by inlined stdlib code.
#define _getBridgedNonVerbatimObjectiveCType \
MANGLE_SYM(s36_getBridgedNonVerbatimObjectiveCTypeypXpSgxmlF)
SWIFT_CC(swift) SWIFT_RUNTIME_STDLIB_API
const Metadata *_getBridgedNonVerbatimObjectiveCType(
const Metadata *value, const Metadata *T
) {
// Classes and Objective-C existentials bridge verbatim.
@@ -3047,26 +3054,26 @@ const Metadata *_swift_getBridgedNonVerbatimObjectiveCType(
return nullptr;
}
// @_silgen_name("_swift_bridgeNonVerbatimFromObjectiveCToAny")
// @_silgen_name("_bridgeNonVerbatimFromObjectiveCToAny")
// func _bridgeNonVerbatimFromObjectiveCToAny(
// x: AnyObject,
// inout result: Any?
// )
SWIFT_CC(swift) SWIFT_RUNTIME_STDLIB_INTERFACE
SWIFT_CC(swift) SWIFT_RUNTIME_STDLIB_INTERNAL
void
_swift_bridgeNonVerbatimFromObjectiveCToAny(HeapObject *sourceValue,
OpaqueValue *destValue);
_bridgeNonVerbatimFromObjectiveCToAny(HeapObject *sourceValue,
OpaqueValue *destValue);
// @_silgen_name("_swift_bridgeNonVerbatimBoxedValue")
// @_silgen_name("_bridgeNonVerbatimBoxedValue")
// func _bridgeNonVerbatimBoxedValue<NativeType>(
// x: UnsafePointer<NativeType>,
// inout result: NativeType?
// )
SWIFT_CC(swift) SWIFT_RUNTIME_STDLIB_INTERFACE
SWIFT_CC(swift) SWIFT_RUNTIME_STDLIB_INTERNAL
void
_swift_bridgeNonVerbatimBoxedValue(const OpaqueValue *sourceValue,
OpaqueValue *destValue,
const Metadata *nativeType);
_bridgeNonVerbatimBoxedValue(const OpaqueValue *sourceValue,
OpaqueValue *destValue,
const Metadata *nativeType);
// Try bridging by conversion to Any or boxing if applicable.
static bool tryBridgeNonVerbatimFromObjectiveCUniversal(
@@ -3079,8 +3086,7 @@ static bool tryBridgeNonVerbatimFromObjectiveCUniversal(
if (auto nativeExistential = dyn_cast<ExistentialTypeMetadata>(nativeType)) {
if (nativeExistential->Protocols.NumProtocols == 0 &&
!nativeExistential->isClassBounded()) {
_swift_bridgeNonVerbatimFromObjectiveCToAny(sourceValue,
destValue);
_bridgeNonVerbatimFromObjectiveCToAny(sourceValue, destValue);
return true;
}
}
@@ -3092,9 +3098,7 @@ static bool tryBridgeNonVerbatimFromObjectiveCUniversal(
std::tie(sourceType, sourceBoxedValue) = getValueFromSwiftValue(srcBox);
if (sourceType == nativeType) {
_swift_bridgeNonVerbatimBoxedValue(sourceBoxedValue,
destValue,
nativeType);
_bridgeNonVerbatimBoxedValue(sourceBoxedValue, destValue, nativeType);
return true;
}
}
@@ -3102,15 +3106,17 @@ static bool tryBridgeNonVerbatimFromObjectiveCUniversal(
return false;
}
// @_silgen_name("_swift_bridgeNonVerbatimFromObjectiveC")
// func _bridgeNonVerbatimFromObjectiveC<NativeType>(
// x: AnyObject,
// nativeType: NativeType.Type
// inout result: T?
// )
SWIFT_CC(swift) SWIFT_RUNTIME_STDLIB_INTERFACE
// Called by inlined stdlib code.
#define _bridgeNonVerbatimFromObjectiveC \
MANGLE_SYM(s32_bridgeNonVerbatimFromObjectiveCyyXl_xmxSgztlF)
SWIFT_CC(swift) SWIFT_RUNTIME_STDLIB_API
void
_swift_bridgeNonVerbatimFromObjectiveC(
_bridgeNonVerbatimFromObjectiveC(
HeapObject *sourceValue,
const Metadata *nativeType,
OpaqueValue *destValue,
@@ -3145,15 +3151,14 @@ _swift_bridgeNonVerbatimFromObjectiveC(
swift::crash("value type is not bridged to Objective-C");
}
// @_silgen_name("_swift_bridgeNonVerbatimFromObjectiveCConditional")
// func _bridgeNonVerbatimFromObjectiveCConditional<NativeType>(
// x: AnyObject,
// nativeType: T.Type,
// inout result: T?
// ) -> Bool
SWIFT_CC(swift) SWIFT_RUNTIME_STDLIB_INTERFACE
/// func _bridgeNonVerbatimFromObjectiveCConditional<NativeType>(
/// x: AnyObject, nativeType: T.Type, inout result: T?) -> Bool
/// Called by inlined stdlib code.
#define _bridgeNonVerbatimFromObjectiveCConditional \
MANGLE_SYM(s43_bridgeNonVerbatimFromObjectiveCConditionalSbyXl_xmxSgztlF)
SWIFT_CC(swift) SWIFT_RUNTIME_STDLIB_API
bool
_swift_bridgeNonVerbatimFromObjectiveCConditional(
_bridgeNonVerbatimFromObjectiveCConditional(
HeapObject *sourceValue,
const Metadata *nativeType,
OpaqueValue *destValue,
@@ -3195,10 +3200,12 @@ _swift_bridgeNonVerbatimFromObjectiveCConditional(
}
// func _isBridgedNonVerbatimToObjectiveC<T>(x: T.Type) -> Bool
SWIFT_CC(swift) SWIFT_RUNTIME_STDLIB_INTERFACE
bool _swift_isBridgedNonVerbatimToObjectiveC(
const Metadata *value, const Metadata *T
) {
// Called by inlined stdlib code.
#define _isBridgedNonVerbatimToObjectiveC \
MANGLE_SYM(s33_isBridgedNonVerbatimToObjectiveCSbxmlF)
SWIFT_CC(swift) SWIFT_RUNTIME_STDLIB_API
bool _isBridgedNonVerbatimToObjectiveC(const Metadata *value,
const Metadata *T) {
assert(!swift_isClassOrObjCExistentialTypeImpl(T));
auto bridgeWitness = findBridgeWitness(T);
@@ -3213,7 +3220,7 @@ bool _swift_isClassOrObjCExistentialType(const Metadata *value,
return swift_isClassOrObjCExistentialTypeImpl(T);
}
SWIFT_CC(swift)
SWIFT_CC(swift) SWIFT_RUNTIME_STDLIB_INTERNAL
const Metadata *swift::_swift_class_getSuperclass(const Metadata *theClass) {
if (const ClassMetadata *classType = theClass->getClassObject())
if (classHasSuperclass(classType))
@@ -3221,12 +3228,14 @@ const Metadata *swift::_swift_class_getSuperclass(const Metadata *theClass) {
return nullptr;
}
SWIFT_CC(c) SWIFT_RUNTIME_EXPORT
// Called by compiler-generated cast code.
SWIFT_CC(c) SWIFT_RUNTIME_STDLIB_API
bool swift_isClassType(const Metadata *type) {
return Metadata::isAnyKindOfClass(type->getKind());
}
SWIFT_CC(c) SWIFT_RUNTIME_EXPORT
// Called by compiler-generated code.
SWIFT_CC(c) SWIFT_RUNTIME_STDLIB_API
bool swift_isOptionalType(const Metadata *type) {
return type->getKind() == MetadataKind::Optional;
}