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What is objc2objj?

tlrobinson/objc2objj — explained in plain English

Analysis updated 2026-07-17 · repo last pushed 2010-02-01

★ 5JavaScriptAudience · developerComplexity · 2/5DormantSetup · hard

In one sentence

An unfinished, experimental compiler concept meant to convert Objective-C code into Objective-J so it can run in web browsers.

Mindmap

mindmap
  root((repo))
    What it does
      Planned Objective-C to Objective-J compiler
      Not yet implemented
      Concept placeholder
    Tech stack
      JavaScript
      Objective-C
      Objective-J
    Use cases
      Reuse iOS logic on web
      Bridge Apple and browser code
      Inspire future tooling
    Audience
      Developers
      Researchers
    Status
      Early stage
      Not maintained
      Experimental

Code map

Detail Auto

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filefunction / class

What do people build with it?

USE CASE 1

Explore how Objective-C syntax could map to Objective-J for the browser

USE CASE 2

Study an early concept for cross-platform Apple-to-web code sharing

USE CASE 3

Use as inspiration for building a real Objective-C-to-web compiler

What is it built with?

JavaScriptObjective-CObjective-J

How does it compare?

tlrobinson/objc2objj00kaku/wp-rest-playgroundchalarangelo/mini-active-record
Stars555
LanguageJavaScriptJavaScriptJavaScript
Last pushed2010-02-01——
MaintenanceDormant——
Setup difficultyhardhardeasy
Complexity2/53/51/5
Audiencedeveloperdevelopervibe coder

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · hard Time to first run · 1day+

The compiler is not yet implemented, so there is no working tool to run.

Copy-paste prompts

Prompt 1
Explain how an Objective-C to Objective-J compiler like this one would need to parse Objective-C syntax.
Prompt 2
Help me sketch out a basic implementation plan for translating Objective-C classes into Objective-J.
Prompt 3
What would it take to finish the not-yet-implemented compiler described in this repo's README?

Frequently asked questions

What is objc2objj?

An unfinished, experimental compiler concept meant to convert Objective-C code into Objective-J so it can run in web browsers.

What language is objc2objj written in?

Mainly JavaScript. The stack also includes JavaScript, Objective-C, Objective-J.

Is objc2objj actively maintained?

Dormant — no commits in 2+ years (last push 2010-02-01).

How hard is objc2objj to set up?

Setup difficulty is rated hard, with roughly 1day+ to a first successful run.

Who is objc2objj for?

Mainly developer.

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