https://github.com/destroyerrrocket/rustycpp

A C++ Compiler (on the works)
https://github.com/destroyerrrocket/rustycpp

compiler cpp rust

Last synced: about 21 hours ago
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A C++ Compiler (on the works)

• Host: GitHub
• URL: https://github.com/destroyerrrocket/rustycpp
• Owner: Destroyerrrocket
• License: gpl-3.0
• Created: 2022-06-17T21:33:16.000Z (over 2 years ago)
• Default Branch: master
• Last Pushed: 2023-06-25T00:14:36.000Z (over 1 year ago)
• Last Synced: 2025-01-09T03:11:26.379Z (1 day ago)
• Topics: compiler, cpp, rust
• Language: Rust
• Homepage:
• Size: 2.82 MB
• Stars: 13
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: COPYING

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README

        
# C++20 preprocessor of C++ written in Rust

### Description

Module dependency tree generation is done!

This is a very simple and most certainly wrong preprocessor for C++. This was not done with any major intents, it was simply to test Rust and its capabilities (I find learning by doing a lot more useful than just following tutorials).

As a rust novice, I do not claim this to be of any quality.

So far, the most rellevant missing things are:

- the #line directive is not supported (and probably won't for some time, I do not intend to support generated code for now :) )

- QOL Features of preprocessors, like any pragma directive (none mandated by standard, but #pragma once is expected from any sensible implementation), or the `__FUNCTION__` macro (which requires the step 7 parser to be implemented in order to know such information)

- Most test macros are kinda useless right now. `__has_cpp_attribute` is literally just hardcoded to 0

I'd say that the first 4 steps of the compilation process of C++ are done-ish! Time for lexing.

If you want more logs on what's going on, you can use the environment varaible `RUST_LOG`, like so: `RUST_LOG=debug`