Objective-C runtime

E220198

Objective-C technology runtime system software library

Objective-C runtime is the dynamic library and infrastructure that enables Objective-C’s message passing, dynamic typing, and introspection features at program execution time.

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All labels observed (4)

Label	Occurrences
Objective-C runtime canonical	7
objc_getAssociatedObject	1
objc_msgSend	1
objc_setAssociatedObject	1

How this entity was disambiguated

This entity first appeared as the object of triple T1935768 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Objective-C runtime
Context triple: [Objective-C, hasRuntime, Objective-C runtime]

A. GNUStep Objective-C runtime extensions
GNUStep Objective-C runtime extensions are enhancements to the Objective-C runtime developed by the GNUstep project, adding advanced features such as improved reflection, dynamic loading, and language interoperability beyond the standard Objective-C runtime.
B. Objective-C
Objective-C is an object-oriented programming language primarily known for its use in developing software for Apple's macOS and iOS platforms.
C. Objective-C++
Objective-C++ is a programming language extension that allows developers to seamlessly mix Objective-C and C++ code within the same source file, enabling the use of both languages' features in a single program.
D. JavaScriptCore
JavaScriptCore is Apple’s high-performance JavaScript engine used primarily in the Safari web browser and WebKit-based applications.
E. macOS Cocoa
macOS Cocoa is Apple’s native object-oriented application framework for building graphical user interfaces on macOS.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Objective-C runtime
Target entity description: Objective-C runtime is the dynamic library and infrastructure that enables Objective-C’s message passing, dynamic typing, and introspection features at program execution time.

A. GNUStep Objective-C runtime extensions
GNUStep Objective-C runtime extensions are enhancements to the Objective-C runtime developed by the GNUstep project, adding advanced features such as improved reflection, dynamic loading, and language interoperability beyond the standard Objective-C runtime.
B. Objective-C
Objective-C is an object-oriented programming language primarily known for its use in developing software for Apple's macOS and iOS platforms.
C. Objective-C++
Objective-C++ is a programming language extension that allows developers to seamlessly mix Objective-C and C++ code within the same source file, enabling the use of both languages' features in a single program.
D. JavaScriptCore
JavaScriptCore is Apple’s high-performance JavaScript engine used primarily in the Safari web browser and WebKit-based applications.
E. macOS Cocoa
macOS Cocoa is Apple’s native object-oriented application framework for building graphical user interfaces on macOS.
F. None of above. chosen

Statements (74)

Predicate	Object
instanceOf	Objective-C technology ⓘ runtime system ⓘ software library ⓘ
developedBy	Apple Inc. ⓘ
enablesFeature	Key-Value Coding ⓘ Key-Value Observing ⓘ associated objects ⓘ categories ⓘ dynamic dispatch ⓘ dynamic method resolution ⓘ dynamic typing ⓘ introspection ⓘ message passing ⓘ method swizzling ⓘ
exposedViaHeader	<objc/message.h> ⓘ <objc/runtime.h> ⓘ
hasDocumentation	Apple Developer Documentation ⓘ
implementedInLanguage	C ⓘ
implementsConcept	category ⓘ class cluster ⓘ isa pointer ⓘ message send ⓘ metaclass ⓘ protocol ⓘ selectors ⓘ
license	proprietary ⓘ
providesAPI	class_addMethod ⓘ class_copyIvarList ⓘ class_copyMethodList ⓘ class_copyPropertyList ⓘ class_getInstanceMethod ⓘ class_getName ⓘ class_replaceMethod ⓘ method_exchangeImplementations ⓘ objc_allocateClassPair ⓘ objc_copyClassList ⓘ Objective-C runtime self-linksurface differs ⓘ surface form: objc_getAssociatedObject objc_getClass ⓘ Objective-C runtime self-linksurface differs ⓘ surface form: objc_msgSend objc_registerClassPair ⓘ objc_removeAssociatedObjects ⓘ Objective-C runtime self-linksurface differs ⓘ surface form: objc_setAssociatedObject objc_setEnumerationMutationHandler ⓘ objc_setExceptionPreprocessor ⓘ objc_setForwardHandler ⓘ object_getClass ⓘ object_setClass ⓘ protocol_getName ⓘ sel_getName ⓘ sel_registerName ⓘ
relatedTo	Smalltalk ⓘ surface form: Smalltalk message passing model Swift ⓘ surface form: Swift runtime
supportsFeature	automatic reference counting ⓘ garbage collection (legacy on macOS) ⓘ weak references ⓘ
supportsIntrospectionOf	classes ⓘ instance variables ⓘ methods ⓘ properties ⓘ protocols ⓘ
supportsPlatform	iOS ⓘ macOS ⓘ tvOS ⓘ watchOS ⓘ
usedBy	macOS Cocoa ⓘ surface form: AppKit framework Cocoa ⓘ Cocoa Touch ⓘ Foundation framework ⓘ UIKit ⓘ surface form: UIKit framework
usedFor	bridging with Swift ⓘ dynamic class creation ⓘ method interception ⓘ runtime reflection ⓘ
usedWith	Objective-C ⓘ surface form: Objective-C programming language

How these facts were elicited

Referenced by (10)

Full triples — surface form annotated when it differs from this entity's canonical label.

Objective-C → hasRuntime → Objective-C runtime ⓘ

macOS Cocoa → usesRuntime → Objective-C runtime ⓘ

NeXTSTEP → includesFramework → Objective-C runtime ⓘ

Objective-C++ → requires → Objective-C runtime ⓘ

GNUStep Objective-C runtime extensions → implements → Objective-C runtime ⓘ

Objective-C runtime → providesAPI → Objective-C runtime self-linksurface differs ⓘ

this entity surface form: objc_msgSend

Objective-C runtime → providesAPI → Objective-C runtime self-linksurface differs ⓘ

this entity surface form: objc_getAssociatedObject

Objective-C runtime → providesAPI → Objective-C runtime self-linksurface differs ⓘ

this entity surface form: objc_setAssociatedObject

NSCoder → languageBinding → Objective-C runtime ⓘ

NSAutoreleasePool → scope → Objective-C runtime ⓘ

All labels observed (4)

How this entity was disambiguated Show

Statements (74)

How these facts were elicited Show

Referenced by (10)

How this entity was disambiguated

How these facts were elicited