peridot
Cwerg
peridot | Cwerg | |
---|---|---|
13 | 59 | |
388 | 398 | |
- | - | |
3.1 | 9.6 | |
over 1 year ago | 7 days ago | |
Haskell | Python | |
Mozilla Public License 2.0 | Apache License 2.0 |
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peridot
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Peridot Paper Preprint
I've mostly finished up a preprint of a research paper on Peridot, my programming language! It still needs some work, but I'm happy enough with it to post it. If you have any questions or suggestions don't hesitate to tell me here. I would love feedback :-)
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September 2022 monthly "What are you working on?" thread
I'm finishing up with Peridot! The research goals of the project are close to being accomplished, so I'll be wrapping up soon. I'm really satisfied with it as a proof-of-concept for the ideas it implements. The last main bit of the project is a research paper I'm writing which details the language and its applications in detail.
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Peridot MVP
Hey all! I've been working on my programming language Peridot for about six months, and it's finally at the point where I can call it an MVP! Peridot is a language in which the compiler backend is implemented in userspace via metaprogramming.
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July 2022 monthly "What are you working on?" thread
The Peridot MVP is feature-complete! All that's left to do are bugfixes, after which it will be a real, usable language. Here's the major features, in no particular order:
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A Typed Foundation for Directional Logic Programming
I'm not aware of any current implementations, but I'll be implementing it in my language, Peridot. Unfortunately that won't be for a few months though.
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How did you choose the name for your programming language?
The second was called Konna. AFAIK it’s Finnish for “frog”, but sources seem to disagree? I don’t speak Finnish, I got the word from a Finnish video game. My third and current language is called Peridot. I’m pretty proud of this name, although it’s less searchable than the previous ones. The origin is pretty simple, I was just looking around at gemstones and thought peridot looked neat.
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Peridot: A functional language based on two-level type theory
Hey! I'm Peridot's author. Peridot is a language based on two-level type theory which allows for the compiler backend to be written in userspace. The language is really two languages tied together: a logic language, and a dependently typed functional language. The former is built for metaprogramming - high-level optimizers and compilers can be written that translate the latter language into a target language of choice. An in-depth explanation of the language's rationale can be found here.
Cwerg
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Cwerg: C-like language that can be implemented in 10kLOC
Perhaps these have already been dealt with and I'm missing critical information. If so, my apologies. Great work, in any case.
[1] https://github.com/robertmuth/Cwerg/tree/master/FrontEnd#dis...
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Where can I find resources and guides on how to build compiler backends?
Cwerg has backend that can be used as JIT and is written with readability in mind. Additional documentation can be found here: https://github.com/robertmuth/Cwerg/tree/master/Docs
- Most important language features not touched in the book "Crafting Interpreters"?
- Lack of resources in creating Assemblers from scratch.
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Minimum ISA Capabilities to Support Most (Non-Interactive) Programs?
I defined a basic ISA-like IR for Cwerg. It has unlimited registers and no constraints on immediates.
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How do you design a compiler and a language?
entire compiler front end ast nodes
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Syntax Design
I was also going down the path of bike shedding concrete syntax for my language Cwerg before pulling the plug on that effort and just using s-exprs. I managed to make the s-expr quite succinct by carefully choosing the order of arguments so I can omit optional ones. Also very helpful was to use square brackets for list, e.g. (call fun-name [arg1 arg2]). This simplifies parsing a little bit and is easier on the eye. Here are some Code Examples
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November 2022 monthly "What are you working on?" thread
I am iterating over the languages features for Cwerg's Frontend which aims to be a low level language with about the complexity of C but with some of the comforts of modern languages. I am especially happy with the choice of adding sum types. Relative to C the current feature set looks like this: Removed: * arrays decay to pointers * bitfields * separate compilation (more of a backend issue) * pre-processor * varargs * implcit type conversions * (untagged) unions * ++/-- * comma operator * implicitly nullable pointers * goto
- typed asts and codegen
- Features Compendium
What are some alternatives?
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bluebird - A work-in-progess programming language modeled after Ada and C++
elaboration-zoo - Minimal implementations for dependent type checking and elaboration
asmdb - Instructions database and utilities for X86/X64 and ARM (THUMB/A32/A64) architectures.
boba - A general purpose statically-typed concatenative programming language.
boring-lang - A very boring programming language