clang
3.9.0
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The basic abstraction for the target Objective-C runtime. More...
#include <ObjCRuntime.h>
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enum | Kind { MacOSX, FragileMacOSX, iOS, WatchOS, GCC, GNUstep, ObjFW } |
The basic Objective-C runtimes that we know about. More... | |
Public Member Functions | |
ObjCRuntime () | |
A bogus initialization of the runtime. More... | |
ObjCRuntime (Kind kind, const VersionTuple &version) | |
void | set (Kind kind, VersionTuple version) |
Kind | getKind () const |
const VersionTuple & | getVersion () const |
bool | isNonFragile () const |
Does this runtime follow the set of implied behaviors for a "non-fragile" ABI? More... | |
bool | isFragile () const |
The inverse of isNonFragile(): does this runtime follow the set of implied behaviors for a "fragile" ABI? More... | |
bool | isLegacyDispatchDefaultForArch (llvm::Triple::ArchType Arch) |
The default dispatch mechanism to use for the specified architecture. More... | |
bool | isGNUFamily () const |
Is this runtime basically of the GNU family of runtimes? More... | |
bool | isNeXTFamily () const |
Is this runtime basically of the NeXT family of runtimes? More... | |
bool | allowsARC () const |
Does this runtime allow ARC at all? More... | |
bool | hasNativeARC () const |
Does this runtime natively provide the ARC entrypoints? More... | |
bool | hasOptimizedSetter () const |
Does this runtime supports optimized setter entrypoints? More... | |
bool | allowsWeak () const |
Does this runtime allow the use of __weak? More... | |
bool | hasNativeWeak () const |
Does this runtime natively provide ARC-compliant 'weak' entrypoints? More... | |
bool | hasSubscripting () const |
Does this runtime directly support the subscripting methods? More... | |
bool | allowsSizeofAlignof () const |
Does this runtime allow sizeof or alignof on object types? More... | |
bool | allowsPointerArithmetic () const |
Does this runtime allow pointer arithmetic on objects? More... | |
bool | isSubscriptPointerArithmetic () const |
Is subscripting pointer arithmetic? More... | |
bool | hasTerminate () const |
Does this runtime provide an objc_terminate function? More... | |
bool | hasWeakClassImport () const |
Does this runtime support weakly importing classes? More... | |
bool | hasUnwindExceptions () const |
Does this runtime use zero-cost exceptions? More... | |
bool | hasAtomicCopyHelper () const |
bool | hasARCUnsafeClaimAutoreleasedReturnValue () const |
Is objc_unsafeClaimAutoreleasedReturnValue available? More... | |
bool | tryParse (StringRef input) |
Try to parse an Objective-C runtime specification from the given string. More... | |
std::string | getAsString () const |
Friends | |
bool | operator== (const ObjCRuntime &left, const ObjCRuntime &right) |
bool | operator!= (const ObjCRuntime &left, const ObjCRuntime &right) |
The basic abstraction for the target Objective-C runtime.
Definition at line 25 of file ObjCRuntime.h.
The basic Objective-C runtimes that we know about.
Definition at line 28 of file ObjCRuntime.h.
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A bogus initialization of the runtime.
Definition at line 65 of file ObjCRuntime.h.
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Definition at line 67 of file ObjCRuntime.h.
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Does this runtime allow ARC at all?
Definition at line 140 of file ObjCRuntime.h.
References FragileMacOSX, GCC, getKind(), getVersion(), GNUstep, iOS, MacOSX, ObjFW, and WatchOS.
Referenced by ParseLangArgs().
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Does this runtime allow pointer arithmetic on objects?
This covers +, -, ++, –, and (if isSubscriptPointerArithmetic() yields true) [].
Definition at line 233 of file ObjCRuntime.h.
References FragileMacOSX, GCC, getKind(), GNUstep, iOS, MacOSX, ObjFW, and WatchOS.
Referenced by checkArithmeticOnObjCPointer(), and isSubscriptPointerArithmetic().
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Does this runtime allow sizeof or alignof on object types?
Definition at line 225 of file ObjCRuntime.h.
References isFragile().
Referenced by CheckObjCTraitOperandConstraints().
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Does this runtime allow the use of __weak?
Definition at line 192 of file ObjCRuntime.h.
References hasNativeWeak().
Referenced by clang::driver::tools::Clang::ConstructJob(), and ParseLangArgs().
std::string ObjCRuntime::getAsString | ( | ) | const |
Definition at line 19 of file ObjCRuntime.cpp.
References clang::Result.
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Definition at line 75 of file ObjCRuntime.h.
Referenced by allowsARC(), allowsPointerArithmetic(), clang::driver::tools::Clang::ConstructJob(), clang::CodeGen::CreateGNUObjCRuntime(), getObjCPersonality(), getObjCXXPersonality(), hasARCUnsafeClaimAutoreleasedReturnValue(), hasAtomicCopyHelper(), hasNativeARC(), hasOptimizedSetter(), hasSubscripting(), hasTerminate(), hasUnwindExceptions(), hasWeakClassImport(), InitializePredefinedMacros(), isGNUFamily(), isLegacyDispatchDefaultForArch(), isNonFragile(), clang::operator<<(), and ParseLangArgs().
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Definition at line 76 of file ObjCRuntime.h.
Referenced by allowsARC(), getObjCPersonality(), hasARCUnsafeClaimAutoreleasedReturnValue(), hasAtomicCopyHelper(), hasNativeARC(), hasOptimizedSetter(), hasSubscripting(), hasTerminate(), InitializePredefinedMacros(), isLegacyDispatchDefaultForArch(), and clang::operator<<().
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Is objc_unsafeClaimAutoreleasedReturnValue available?
Definition at line 312 of file ObjCRuntime.h.
References getKind(), getVersion(), GNUstep, iOS, MacOSX, and WatchOS.
Referenced by clang::CodeGen::CodeGenFunction::EmitARCReclaimReturnedObject().
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Definition at line 298 of file ObjCRuntime.h.
References FragileMacOSX, getKind(), getVersion(), GNUstep, iOS, MacOSX, and WatchOS.
Referenced by clang::CodeGen::CodeGenFunction::GenerateObjCAtomicGetterCopyHelperFunction(), and clang::CodeGen::CodeGenFunction::GenerateObjCAtomicSetterCopyHelperFunction().
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Does this runtime natively provide the ARC entrypoints?
ARC cannot be directly supported on a platform that does not provide these entrypoints, although it may be supportable via a stub library.
Definition at line 160 of file ObjCRuntime.h.
References FragileMacOSX, GCC, getKind(), getVersion(), GNUstep, iOS, MacOSX, ObjFW, and WatchOS.
Referenced by clang::driver::toolchains::DarwinClang::AddLinkARCArgs(), createARCRuntimeFunction(), clang::CodeGen::CodeGenFunction::EmitObjCAutoreleasePoolStmt(), and hasNativeWeak().
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Does this runtime natively provide ARC-compliant 'weak' entrypoints?
Definition at line 198 of file ObjCRuntime.h.
References hasNativeARC().
Referenced by allowsWeak().
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Does this runtime supports optimized setter entrypoints?
Definition at line 175 of file ObjCRuntime.h.
References getKind(), getVersion(), GNUstep, iOS, MacOSX, and WatchOS.
Referenced by UseOptimizedSetter().
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Does this runtime directly support the subscripting methods?
This is really a property of the library, not the runtime.
Definition at line 207 of file ObjCRuntime.h.
References FragileMacOSX, GCC, getKind(), getVersion(), GNUstep, iOS, MacOSX, ObjFW, and WatchOS.
Referenced by clang::driver::toolchains::DarwinClang::AddLinkARCArgs().
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Does this runtime provide an objc_terminate function?
This is used in handlers for exceptions during the unwind process; without it, abort() must be used in pure ObjC files.
Definition at line 257 of file ObjCRuntime.h.
References FragileMacOSX, GCC, getKind(), getVersion(), GNUstep, iOS, MacOSX, ObjFW, and WatchOS.
Referenced by clang::CodeGen::CodeGenModule::getTerminateFn().
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Does this runtime use zero-cost exceptions?
Definition at line 285 of file ObjCRuntime.h.
References FragileMacOSX, GCC, getKind(), GNUstep, iOS, MacOSX, ObjFW, and WatchOS.
Referenced by hasUnwindExceptions().
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Does this runtime support weakly importing classes?
Definition at line 271 of file ObjCRuntime.h.
References FragileMacOSX, GCC, getKind(), GNUstep, iOS, MacOSX, ObjFW, and WatchOS.
Referenced by HasFeature().
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The inverse of isNonFragile(): does this runtime follow the set of implied behaviors for a "fragile" ABI?
Definition at line 95 of file ObjCRuntime.h.
References isNonFragile().
Referenced by clang::Sema::ActOnPropertyImplDecl(), allowsSizeofAlignof(), clang::Sema::BuildExceptionDeclaration(), and clang::Sema::DefaultSynthesizeProperties().
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Is this runtime basically of the GNU family of runtimes?
Definition at line 117 of file ObjCRuntime.h.
References FragileMacOSX, GCC, getKind(), GNUstep, iOS, MacOSX, ObjFW, and WatchOS.
Referenced by EncodeBitField(), clang::CodeGen::CodeGenModule::GetAddrOfRTTIDescriptor(), and isNeXTFamily().
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The default dispatch mechanism to use for the specified architecture.
Definition at line 98 of file ObjCRuntime.h.
References getKind(), getVersion(), GNUstep, isNonFragile(), and MacOSX.
Referenced by clang::driver::tools::Clang::ConstructJob().
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Is this runtime basically of the NeXT family of runtimes?
Definition at line 133 of file ObjCRuntime.h.
References isGNUFamily().
Referenced by CheckProtocolMethodDefs(), clang::driver::tools::Clang::ConstructJob(), and InitializePredefinedMacros().
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Does this runtime follow the set of implied behaviors for a "non-fragile" ABI?
Definition at line 80 of file ObjCRuntime.h.
References FragileMacOSX, GCC, getKind(), GNUstep, iOS, MacOSX, ObjFW, and WatchOS.
Referenced by clang::Sema::ActOnAtEnd(), clang::Sema::ActOnDefs(), clang::Sema::ActOnPropertyImplDecl(), clang::Sema::CheckImplementationIvars(), clang::driver::tools::Clang::ConstructJob(), DiagnoseUnimplementedAccessor(), clang::CodeGen::CodeGenModule::GetAddrOfConstantString(), HasFeature(), clang::Sema::ImplMethodsVsClassMethods(), InitializePredefinedMacros(), isFragile(), isLegacyDispatchDefaultForArch(), and shouldUseExceptionTablesForObjCExceptions().
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Is subscripting pointer arithmetic?
Definition at line 249 of file ObjCRuntime.h.
References allowsPointerArithmetic().
Referenced by clang::LangOptions::isSubscriptPointerArithmetic().
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Definition at line 70 of file ObjCRuntime.h.
bool ObjCRuntime::tryParse | ( | StringRef | input | ) |
Try to parse an Objective-C runtime specification from the given string.
Definition at line 44 of file ObjCRuntime.cpp.
References FragileMacOSX, GCC, GNUstep, iOS, MacOSX, ObjFW, clang::VersionTuple::tryParse(), and WatchOS.
Referenced by ParseLangArgs().
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Definition at line 341 of file ObjCRuntime.h.
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Definition at line 336 of file ObjCRuntime.h.