pl0c
porth
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pl0c
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The Super Tiny Compiler
> Some compilers tokenize while parsing, but for a different reason: it's faster and uses less memory to generate the AST
And some don't even generate an AST. :) Just read in and emit or interpret.
https://briancallahan.net/blog/20210814.html
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single pass compilers (basic questions)
Single-pass compiler tutorial
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Compiler tutorials.
Let's Write a Compiler
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Let's write a compiler, part 3: A parser
I don’t think there will be an AST. https://briancallahan.net/blog/20210814.html: “We will be writing a single-pass compiler for a simple language and immediately output our final output code as soon as our compiler has enough information to do so”
That “as soon as” implies code will be generated before the entire program has been parsed.
Also, for me single-pass implies “no AST”, as you would need at least one pass to construct one, and iterating over an AST counts as another pass for me.
porth
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Stack-based array-friendly static-typed proof of concept
Yes, unless there's another language I'm unfamiliar that shares the name. But the inspiration and some core ideas came from Porth: https://gitlab.com/tsoding/porth
- Porth, it's like Forth but in Python
- Porth, It's Like Forth but in Python
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Stack machines for compilers
Here's an interesting solution: in the language Porth which was inspired by forth (but takes some drastically different choices), there's an option to create separate scored bindings, which can either consume items from the top of the stack, or duplicate them, leading to some very slick solutions to the problem of limited access to the stack.
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How to build a language mode from scratch?
I personally haven't done that, but a very simple example, that I can think of is this one: porth-mode.el. The minor-mode doesen't do much, but maybe it helps understand the basic concepts.
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Compiling via Forth?
You might want to look into Porth; IMO RPN doesn't have to be hard to read, Forth is just really terse and not very modern.
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single pass compilers (basic questions)
I believe Tsodings - Porth is a single pass compiler. Currently in development - it has some great vlogs and is also self hosting. He's recently said that re-implementing Porth straight up has become an issue for him - so please just take inspiration only. I suspect a concatenative language is quite a natural fit for a single pass compiler.
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Why hasn't anyone made a compiler for Python yet?
Tsoding did with his porth. Original conpiler written in python then reimplemented in porthq https://gitlab.com/tsoding/porth
What are some alternatives?
cproc - C11 compiler (mirror)
Windows11DragAndDropToTaskbarFix - "Windows 11 Drag & Drop to the Taskbar (Fix)" fixes the missing "Drag & Drop to the Taskbar" support in Windows 11. It works with the new Windows 11 taskbar and does not require nasty changes like UndockingDisabled or restoration of the classic taskbar.
pegasus - A parser generator for C and Crystal.
Dress - 好耶 是女装
honey-potion - Writing eBPF programs with Elixir!
setoolkit - The Social-Engineer Toolkit (SET) repository from TrustedSec - All new versions of SET will be deployed here.
Understanding-Unix-Linux-Programming - Source code of Understanding Unix/Linux Programming. The book provides example code in C, I would like to replicate it in Rust.
metalang99 - Full-blown preprocessor metaprogramming
swifties - a custom language construction kit
DIM - Destiny Item Manager
mini-c - Dr Strangehack, or: how to write a self-hosting C compiler in 10 hours
bootstrap-vue-next - Early (but lovely) implementation of Vue 3, Bootstrap 5 and Typescript