https://github.com/marschall/objectivej
a prototype Java interface for Objective-C
https://github.com/marschall/objectivej
Last synced: 2 months ago
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a prototype Java interface for Objective-C
- Host: GitHub
- URL: https://github.com/marschall/objectivej
- Owner: marschall
- Created: 2024-11-16T17:06:47.000Z (7 months ago)
- Default Branch: master
- Last Pushed: 2024-11-23T16:28:27.000Z (6 months ago)
- Last Synced: 2025-02-01T22:28:51.485Z (4 months ago)
- Language: Java
- Size: 412 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
Objective-J
===========
A prototype Java interface for Objective-C using [Foreign Function and Memory (FFM) API](https://docs.oracle.com/en/java/javase/23/core/foreign-function-and-memory-api.html).
Far from complete or production ready.
Usage
-----
```java
ObjectiveCRuntime runtime = ..;
ObjectiveCObject nsObjectClass = runtime.lookupClass("NSObject").get();
ObjectiveCObject nsObject = nsObjectClass.msgSend("alloc").msgSend("init");
```
Resources
---------
https://cocoasamurai.blogspot.com/2010/01/understanding-objective-c-runtime.html
https://www.mikeash.com/pyblog/friday-qa-2009-05-22-objective-c-class-loading-and-initialization.html
https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/ObjCRuntimeGuide/Articles/ocrtInteracting.html#//apple_ref/doc/uid/TP40008048-CH103-SW1
https://gcc.gnu.org/onlinedocs/gcc/Modern-GNU-Objective-C-runtime-API.html
#define OBJC_EXPORT OBJC_EXTERN OBJC_VISIBLE
OBJC_EXTERN extern
https://stackoverflow.com/questions/21843500/obj-msgsend-function-pointer-crash-when-build-with-64bit-arm64
/System/Volumes/Data/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Versions/Current/Headers
clang -cc1 -ast-dump -fblocks -x objective-c /System/Volumes/Data/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Versions/Current/Headers/NSObject.h