Wren
V7
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Wren | V7 | |
---|---|---|
44 | 3 | |
6,745 | 1,401 | |
0.8% | 0.0% | |
0.0 | 1.8 | |
8 months ago | over 3 years ago | |
Wren | C | |
MIT License | GNU General Public License v3.0 or later |
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Wren
- Tinyssh
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Show HN: Wren – simple yet super extensible task management system
For a moment I thought it was about wren programming language... [1]
[1] https://wren.io/
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Attempting each AOC in a language starting with each letter of the alphabet
For "W" you could use Wren.
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loxcraft: a compiler, language server, and online playground for the Lox programming language
Bob Nystrom also has a blog, and his articles are really well written (see his post on Pratt parsers / garbage collectors). I'd also recommend going through the source code for Wren, it shares a lot of code with Lox. Despite the deceptive simplicity of the implementation, it (like Lox) is incredibly fast - it's a great way to learn how to build production grade compilers in general.
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Bevy 0.10: data oriented game engine built in Rust
Only kind of unrelated ... Every time I see the Bevy logo I'm reminded of Wren language https://wren.io/
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Are they all like this?
If you want a pure C99 (sadly not C89 like Lua) immensely fast embeddable language pure interpreter, wren is a great language with excellent features like overload by arity. There is a huge maturity gap between the languages tho.
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Most important language features not touched in the book "Crafting Interpreters"?
Check out the source to Wren: https://wren.io. It’s from the author of Crafting Interpreters and builds directly on what’s discussed in the book (essentially a more complete Lox) and adds several additional types, including an array.
- Why does Rust have parameters on impl?
- Liberating the Smalltalk lurking in C and Unix
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What are some good C programs I can read through?
The best C code I have ever read is that of wren.
V7
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Flattening ASTs (and Other Compiler Data Structures)
I used such a succinct AST structure to implement a JavaScript parser and interpreter for a severely memory constrained environment (embedded): V7 (https://github.com/cesanta/v7)
We later switched to a ast->bytecode compilation step but for a while the implicit AST was directly traversed during interpretation.
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Microvium Is Small
Nice! A few years ago I took a stab at this problem space with https://github.com/cesanta/v7 ; with fun tricks like in-place compacting GC, stdlib JS object graph "frozen" in rom etc
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JavaScript Is Weird
https://github.com/cesanta/v7
Languages are not all equal nor do they all function in the same way, and that's not my opinion.
Javascript syntax itself is one thing, and you can certainly feel free to Javascriptify some C++ libraries and make it all look a certain way for specific tasks, while managing things behind the scenes, up to a point... but there is no getting around the fact that SOMEONE and some languages are needed to implement low level systems functionality.
the power of Cython or the Python C FFI is that it allows you to script/glue modular native code.
You then state "C++14 may have been ratified 7 years ago but it's not the target code your build chain spits out"
no, a C++ COMPILER spits out assembler code that then gets assembled and linked into an executable.
The C++ or C code corresponds directly to a given set of assembler instructions which correspond directly to CPU instructions.
You claim that Python programming of microcontrollers is mainstream, but this is not true nor possible. Python SCRIPTING of code modules (that cannot be written in Python) is certainly one way to assemble a system from pre-built legos.
If you refer to knowing what I'm talking about as gatekeeping and egoism, might I suggest that you insist less forcefully in the correctness of incorrect things you state? we could be done with this spat in short order if YOU would refrain from speaking falsehoods. lies.untrue things.
I look forward to your lisp c compiler. make sure that it's 100% lisp from the bottom up, or I'll consider you're having ceded my point. Consider that the lisp you author in has a garbage collection system that lisp cannot have written originally, nor has any semantics for the underlying memory structures of, but hey, I guess if one is committed to pretending that all languages are equal for all tasks, who am I to question ones self-identification with a given language.
What are some alternatives?
Lua - Lua is a powerful, efficient, lightweight, embeddable scripting language. It supports procedural programming, object-oriented programming, functional programming, data-driven programming, and data description.
V8 - The official mirror of the V8 Git repository
LuaJIT - Mirror of the LuaJIT git repository
Duktape - Duktape - embeddable Javascript engine with a focus on portability and compact footprint
ChaiScript - Embedded Scripting Language Designed for C++
libffi - A portable foreign-function interface library.
nelson - The Nelson Programming Language
ChakraCore - ChakraCore is an open source Javascript engine with a C API. [Moved to: https://github.com/chakra-core/ChakraCore]