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About IJVMore
IJVMore is an application to run, explore and debug IJVM binaries in the browser. IJVM is a subset of the Java Virtual Machine and IJVM binaries are used in the VU Amsterdam Computer Programming course. You can find more information about IJVM internals on wikipedia.. This application was developed by me, Elias Groot.
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Who is this for?
Anyone! Whether you are a (VU) student, TA or just someone interested in the IJVM ISA, you can use this application. Binaries to run with are freely provided by the VU in this repo. Compiling your own binaries is also possible with GoJASM, read more about it here.
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But we already have WebIJVM!
I know, and it is great. You should definitely use it, especially if you like performance. This application is fully inspired by Jur van der Berg's implementation. However, when I was working on my own IJVM implementation as a student taking the CoPP course, I found myself wanting to run custom tests the reference implementation (especially for the advanced binaries). Stepping through them in WebIJVM was not feasible and IJVMore is a solution to that.
Even though IJVMore is not as performant as WebIJVM, it provides users with custom scripting capabilities and allows users to easily download and upload custom scripts and snapshots. Hopefully, this eases the debugging process somewhat.
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What about the tests?
To serve as a good reference, IJVMore passes all basic and advanced tests as provided by the VU CoPP course. No bonus functionalities (or bonus tests) are implemented at this point. You can find all tests here.
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Something does not work :(
Hmmm, that's not good. Please reach out to me at elias@ljz.software and I'll see what I can do. However, I can't help you with debugging your IJVM implementation, there is a friendly TA available for that!
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Can you add X?
Maybe! I am always open to suggestions. Please reach out to me at elias@ljz.software. Even better if you want to contribute yourself to make the feature a reality. IJVMore is written in TypeScript with React and uses JS webworkers, if that sounds like something you'd like to work on, let me know :)