nimscripter
execfs
nimscripter | execfs | |
---|---|---|
3 | 3 | |
142 | 56 | |
- | - | |
5.2 | 0.0 | |
2 months ago | about 2 years ago | |
Nim | C | |
MIT License | MIT License |
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nimscripter
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NIR: Nim Intermediate Representation
> What does this mean? There's a runtime VM or compile time VM?
Compile time VM. It's used to run macros / templates / concepts. You can also run most code at compile time in a `static` block except for stuff that needs C calls. You can also compile the VM into a program and use it as a runtime VM (see https://github.com/beef331/nimscripter) which I do in my GUI lib. NIR should enable the compile time VM to run faster too, and possibly use JIT'ed code.
- Purpose of NimScript vs nim
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Finally. Embed
Checkout Nim! It does much of what you describe and its great. The core language is fairly small (not quite lua simple but probably ML comparable). It compiles fast enough that a Nim repl like `inim` is useable to check features and for basic maths, though it requires a C compiler, but TCC [4] works perfectly. Essentially Nim + tcc is pretty close to your description, IMHO. Though I'm not sure TCC supports non-x86 targets.
I've never used it but Nim does support some hot reloading as well [3]. It also has a real VM if you want to run user scripts and has a nice library for it [1]. Its not quite Lua flexible but for a generally compiled language its impressive.
Recently I made a wrapper to embed access to the Nim compilers macros at runtime [2]. It took 3-4 hours probably and still compiles in 10s of seconds despite building in a fair bit of the compiler! It was useful for making a code generator for a serializer format. Though I'm not sure its small enough to live on even beefy m4/m7 microcontrollers. Though I'm tempted to try.
1: https://github.com/beef331/nimscripter
execfs
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Advent Of Code using only the C preprocessor, Day 1 to 6
That would've been possible with another project of mine, but that one is more of a hack, and would allow you to execute arbitrary shell commands.
- Finally. Embed
- Custom filesystem allows arbitrary code execution though include directives. This can be used to implement, e.g., `#embed`and other shenanigans.
What are some alternatives?
incbin - Include binary files in C/C++
pyker - Python tool to convert files from a directory tree into a C header file.
pl_mpeg - Single file C library for decoding MPEG1 Video and MP2 Audio
cdecl - Nim helper for using C Macros
langserver - The Nim language server implementation (based on nimsuggest)
nim - Mono - Nim Web Framework
vscode-nim
zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
NimForUE - Nim plugin for UE5 with native performance, hot reloading and full interop that sits between C++ and Blueprints. This allows you to do common UE workflows like for example to extend any UE class in Nim and extending it again in Blueprint if you wish so without restarting the editor. The final aim is to be able to do in Nim what you can do in C++
stb - stb single-file public domain libraries for C/C++