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Showing content from https://clang.llvm.org/doxygen/ObjCRuntime_8h_source.html below:

clang: include/clang/Basic/ObjCRuntime.h Source File

14#ifndef LLVM_CLANG_BASIC_OBJCRUNTIME_H 15#define LLVM_CLANG_BASIC_OBJCRUNTIME_H 18#include "llvm/ADT/StringRef.h" 19#include "llvm/Support/ErrorHandling.h" 20#include "llvm/Support/HashBuilder.h" 21#include "llvm/Support/VersionTuple.h" 22#include "llvm/TargetParser/Triple.h" 70

: TheKind(kind), Version(version) {}

72 void set

(

Kind

kind, VersionTuple version) {

78 const

VersionTuple &

getVersion

()

const

{

return

Version; }

85 case GCC

:

return false

;

86 case MacOSX

:

return true

;

88 case ObjFW

:

return true

;

89 case iOS

:

return true

;

92

llvm_unreachable(

"bad kind"

);

105 case

llvm::Triple::arm:

106 case

llvm::Triple::x86:

107 case

llvm::Triple::x86_64:

108 return

!(

getVersion

() >= VersionTuple(1, 6));

109 case

llvm::Triple::aarch64:

110 case

llvm::Triple::mips64:

111 return

!(

getVersion

() >= VersionTuple(1, 9));

112 case

llvm::Triple::riscv64:

113 return

!(

getVersion

() >= VersionTuple(2, 2));

120 return

Arch != llvm::Triple::x86_64;

139

llvm_unreachable(

"bad kind"

);

155 case MacOSX

:

return true

;

156 case iOS

:

return true

;

158 case GCC

:

return false

;

160 case ObjFW

:

return true

;

162

llvm_unreachable(

"bad kind"

);

177 case GCC

:

return false

;

179 case ObjFW

:

return true

;

181

llvm_unreachable(

"bad kind"

);

220 return

(

getVersion

() >= VersionTuple(2, 2));

224

llvm_unreachable(

"bad kind"

);

261

llvm_unreachable(

"bad kind"

);

270 return getVersion

() >= VersionTuple(10, 14, 4);

324 case GCC

:

return true

;

326 case ObjFW

:

return true

;

328

llvm_unreachable(

"bad kind"

);

352

llvm_unreachable(

"bad kind"

);

370 case GCC

:

return false

;

372 case ObjFW

:

return false

;

374

llvm_unreachable(

"bad kind"

);

380 case MacOSX

:

return true

;

381 case iOS

:

return true

;

384 case GCC

:

return true

;

386 case ObjFW

:

return true

;

388

llvm_unreachable(

"bad kind"

);

394 case MacOSX

:

return true

;

395 case iOS

:

return true

;

398 case GCC

:

return true

;

400 case ObjFW

:

return true

;

402

llvm_unreachable(

"bad kind"

);

414 default

:

return false

;

463

llvm_unreachable(

"bad kind"

);

470 case MacOSX

:

return true

;

471 case iOS

:

return true

;

473 case GCC

:

return false

;

475 return

(

getVersion

() >= VersionTuple(2, 2));

476 case ObjFW

:

return false

;

478

llvm_unreachable(

"bad kind"

);

495 return

!(left == right);

502 template

<

typename

HasherT, llvm::endianness Endianness>

503 friend void addHash

(llvm::HashBuilder<HasherT, Endianness> &HBuilder,

509

raw_ostream &

operator<<

(raw_ostream &out,

const

ObjCRuntime &value);

Forward-declares and imports various common LLVM datatypes that clang wants to use unqualified.

The basic abstraction for the target Objective-C runtime.

bool allowsWeak() const

Does this runtime allow the use of __weak?

bool shouldUseRuntimeFunctionsForAlloc() const

Does this runtime provide entrypoints that are likely to be faster than an ordinary message send of t...

bool hasEmptyCollections() const

Are the empty collection symbols available?

friend bool operator!=(const ObjCRuntime &left, const ObjCRuntime &right)

bool hasAtomicCopyHelper() const

bool isSubscriptPointerArithmetic() const

Is subscripting pointer arithmetic?

bool shouldUseRuntimeFunctionForCombinedAllocInit() const

Does this runtime provide the objc_alloc_init entrypoint? This can apply the same optimization as obj...

bool hasUnwindExceptions() const

Does this runtime use zero-cost exceptions?

friend bool operator==(const ObjCRuntime &left, const ObjCRuntime &right)

bool allowsSizeofAlignof() const

Does this runtime allow sizeof or alignof on object types?

bool hasARCUnsafeClaimAutoreleasedReturnValue() const

Is objc_unsafeClaimAutoreleasedReturnValue available?

void set(Kind kind, VersionTuple version)

bool hasTerminate() const

Does this runtime provide an objc_terminate function?

ObjCRuntime()=default

A bogus initialization of the runtime.

bool hasNativeARC() const

Does this runtime natively provide the ARC entrypoints?

bool isLegacyDispatchDefaultForArch(llvm::Triple::ArchType Arch)

The default dispatch mechanism to use for the specified architecture.

bool isNeXTFamily() const

Is this runtime basically of the NeXT family of runtimes?

bool hasOptimizedSetter() const

Does this runtime supports optimized setter entrypoints?

bool hasNativeWeak() const

Does this runtime natively provide ARC-compliant 'weak' entrypoints?

ObjCRuntime(Kind kind, const VersionTuple &version)

bool allowsPointerArithmetic() const

Does this runtime allow pointer arithmetic on objects?

bool hasSubscripting() const

Does this runtime directly support the subscripting methods?

const VersionTuple & getVersion() const

bool tryParse(StringRef input)

Try to parse an Objective-C runtime specification from the given string.

bool isNonFragile() const

Does this runtime follow the set of implied behaviors for a "non-fragile" ABI?

std::string getAsString() const

friend llvm::hash_code hash_value(const ObjCRuntime &OCR)

bool hasWeakClassImport() const

Does this runtime support weakly importing classes?

bool isGNUFamily() const

Is this runtime basically of the GNU family of runtimes?

bool allowsARC() const

Does this runtime allow ARC at all?

bool allowsDirectDispatch() const

Does this runtime supports direct dispatch.

bool shouldUseARCFunctionsForRetainRelease() const

Does this runtime provide ARC entrypoints that are likely to be faster than an ordinary message send ...

friend void addHash(llvm::HashBuilder< HasherT, Endianness > &HBuilder, const ObjCRuntime &OCR)

Kind

The basic Objective-C runtimes that we know about.

@ MacOSX

'macosx' is the Apple-provided NeXT-derived runtime on Mac OS X platforms that use the non-fragile AB...

@ FragileMacOSX

'macosx-fragile' is the Apple-provided NeXT-derived runtime on Mac OS X platforms that use the fragil...

@ GNUstep

'gnustep' is the modern non-fragile GNUstep runtime.

@ ObjFW

'objfw' is the Objective-C runtime included in ObjFW

@ iOS

'ios' is the Apple-provided NeXT-derived runtime on iOS or the iOS simulator; it is always non-fragil...

@ GCC

'gcc' is the Objective-C runtime shipped with GCC, implementing a fragile Objective-C ABI

@ WatchOS

'watchos' is a variant of iOS for Apple's watchOS.

bool allowsClassStubs() const

Returns true if this Objective-C runtime supports Objective-C class stubs.

bool isFragile() const

The inverse of isNonFragile(): does this runtime follow the set of implied behaviors for a "fragile" ...

The JSON file list parser is used to communicate input to InstallAPI.

const StreamingDiagnostic & operator<<(const StreamingDiagnostic &DB, const ASTContext::SectionInfo &Section)

Insertion operator for diagnostics.


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