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Editorial Team
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Asked: 2026-05-22T21:02:04+00:00

Is there a ready-made implementation of an interpreter for ObjC. Basically, I need my

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Is there a ready-made implementation of an interpreter for ObjC. Basically, I need my program to be extendable via a scripting language.

I’m not sure if this is already provided by some kind of framework, or perhaps I can implement AppleScript internally – not sure how I would do that tho. It seems to only apply to automating the program itself, not for extending its own functionality.

Something similar to mIRC’s means of interfacing with a scripting language.

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  1. Editorial Team

    You bet there is. It’s called FScript; it’s open-source and includes a console with a REPL in which you can interact with Cocoa objects. The syntax is Smalltalk-like, which is very similar to Objective-C — the main difference is no square brackets. Here’s some snippets from their tutorial. Notice that variables don’t have to be explicitly typed!

    > imageLocation := NSURL fileURLWithPath:'/Library/Desktop Pictures/Nature/Clown Fish.jpg'.

> image := CIImage imageWithContentsOfURL:imageLocation.

> image drawInRect:(200<>80 extent:600<>400) fromRect:image extent operation:NSCompositeSourceOver fraction:1.

    You will be interested in their Embedding FScript Into Cocoa Applications Guide.

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