Lisp-in-Charm
llvm-project
Lisp-in-Charm | llvm-project | |
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7 | 349 | |
2 | 25,563 | |
- | 2.0% | |
10.0 | 10.0 | |
over 1 year ago | 7 days ago | |
xBase | C++ | |
- | GNU General Public License v3.0 or later |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Lisp-in-Charm
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Looking for beginner resources on writing a Lisp from scratch
This explanation of how to do it in Python is useful. I used it as a model for doing a Lisp in Charm, though there are differences of detail in the implementation.
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Charm: a new language in, with, and for Go
I linked to an example of Lisp implemented in Charm. (Compare to Peter Norvig's Lisp implemented in Python, which goes about it a slightly different way but implements the exact same features.)
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Designing a new language
Here's my own Lisp, in my language. I wonder how many of us have done this.
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Charm 0.3.3: now with math, fmt, and strings libraries
Then to celebrate I used the strings library to make my implementation of Lisp in Charm shorter: it weighs in at 123 sloc now I don't have to roll my own string functions.
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Charm 0.3.2: now with services talking to services
I have dogfooded it by usng it to implement other languages, a Forth, a Z80 emulator, and most recently a Lisp, to prove that it has chops as a GPL.
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Langception III: I wrote a Lisp in Charm, which I also wrote
More dogfooding! Having done all that work to make Charm more useable, I wanted to use some darn Charm. It's pretty nice to code in now, this was not hard to do. Here's the listing.
llvm-project
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Ask HN: Which books/resources to understand modern Assembler?
'Computer Architeture: A Quantitative Apporach" and/or more specific design types (mips, arm, etc) can be found under the Morgan Kaufmann Series in Computer Architeture and Design.
"Getting Started with LLVM Core Libraries: Get to Grips With Llvm Essentials and Use the Core Libraries to Build Advanced Tools "
"The Architecture of Open Source Applications (Volume 1) : LLVM" https://aosabook.org/en/v1/llvm.html
"Tourist Guide to LLVM source code" : https://blog.regehr.org/archives/1453
llvm home page : https://llvm.org/
llvm tutorial : https://llvm.org/docs/tutorial/
llvm reference : https://llvm.org/docs/LangRef.html
learn by examples : C source code to 'llvm' bitcode : https://stackoverflow.com/questions/9148890/how-to-make-clan...
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Flang-new: How to force arrays to be allocated on the heap?
See
https://github.com/llvm/llvm-project/issues/88344
https://fortran-lang.discourse.group/t/flang-new-how-to-forc...
- The LLVM Compiler Infrastructure
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Programming from Top to Bottom - Parsing
You can never mistake type_declaration with an identifier, otherwise the program will not work. Aside from that constraint, you are free to name them whatever you like, there is no one standard, and each parser has it own naming conventions, unless you are planning to use something like LLVM. If you are interested, you can see examples of naming in different language parsers in the AST Explorer.
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Look ma, I wrote a new JIT compiler for PostgreSQL
> There is one way to make the LLVM JIT compiler more usable, but I fear it’s going to take years to be implemented: being able to cache and reuse compiled queries.
Actually, it's implemented in LLVM for years :) https://github.com/llvm/llvm-project/commit/a98546ebcd2a692e...
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C++ Safety, in Context
> It's true, this was a CVE in Rust and not a CVE in C++, but only because C++ doesn't regard the issue as a problem at all. The problem definitely exists in C++, but it's not acknowledged as a problem, let alone fixed.
Can you find a link that substantiates your claim? You're throwing out some heavy accusations here that don't seem to match reality at all.
Case in point, this was fixed in both major C++ libraries:
https://github.com/gcc-mirror/gcc/commit/ebf6175464768983a2d...
https://github.com/llvm/llvm-project/commit/4f67a909902d8ab9...
So what C++ community refused to regard this as an issue and refused to fix it? Where is your supporting evidence for your claims?
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Clang accepts MSVC arguments and targets Windows if its binary is named clang-cl
For everyone else looking for the magic in this almost 7k lines monster, look at line 6610 [1].
[1] https://github.com/llvm/llvm-project/blob/8ec28af8eaff5acd0d...
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Rewrite the VP9 codec library in Rust
Through value tracking. It's actually LLVM that does this, GCC probably does it as well, so in theory explicit bounds checks in regular C code would also be removed by the compiler.
How it works exactly I don't know, and apparently it's so complex that it requires over 9000 lines of C++ to express:
https://github.com/llvm/llvm-project/blob/main/llvm/lib/Anal...
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Fortran 2023
https://github.com/llvm/llvm-project/blob/main/flang/docs/F2...
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MiniScript Ports
• Go • Rust • Lua • pure C (sans C++) • 6502 assembly • WebAssembly • compiler backends, like LLVM or Cranelift
What are some alternatives?
charm - The Charm Tool and Library 🌟
zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
mal - mal - Make a Lisp
Lark - Lark is a parsing toolkit for Python, built with a focus on ergonomics, performance and modularity.
sprig - Useful template functions for Go templates.
gcc
readline - Pure Go reimplimentation of readline
SDL - Simple Directmedia Layer
single_cream - single file scheme interpreter with tail call optimization
cosmopolitan - build-once run-anywhere c library
Charm-MacOS - MacOS executable for Charm
windmill - Open-source developer platform to turn scripts into workflows and UIs. Fastest workflow engine (5x vs Airflow). Open-source alternative to Airplane and Retool.