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Pull recent changes from https://github.com/rust-lang/rust via Josh.
Upstream ref:
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This is a collaborative effort to build a guide that explains how rustc works. The aim of the guide is to help new contributors get oriented to rustc, as well as to help more experienced folks in figuring out some new part of the compiler that they haven't worked on before.
You can read the latest version of the guide here.
You may also find the rustdocs for the compiler itself useful. Note that these are not intended as a guide; it's recommended that you search for the docs you're looking for instead of reading them top to bottom.
For documentation on developing the standard library, see
std-dev-guide.
Contributing to the guide
The guide is useful today, but it has a lot of work still to go.
If you'd like to help improve the guide, we'd love to have you! You can find plenty of issues on the issue tracker. Just post a comment on the issue you would like to work on to make sure that we don't accidentally duplicate work. If you think something is missing, please open an issue about it!
In general, if you don't know how the compiler works, that is not a problem! In that case, what we will do is to schedule a bit of time for you to talk with someone who does know the code, or who wants to pair with you and figure it out. Then you can work on writing up what you learned.
In general, when writing about a particular part of the compiler's code, we recommend that you link to the relevant parts of the rustc rustdocs.
Build Instructions
To build a local static HTML site, install mdbook with:
cargo install mdbook mdbook-linkcheck2 mdbook-mermaid
and execute the following command in the root of the repository:
mdbook build --open
The build files are found in the book/html directory.
Link Validations
We use mdbook-linkcheck2 to validate URLs included in our documentation. Link
checking is not run by default locally, though it is in CI. To enable it
locally, set the environment variable ENABLE_LINKCHECK=1 like in the
following example.
ENABLE_LINKCHECK=1 mdbook serve
Table of Contents
Each page has a TOC that is automatically generated by pagetoc.js.
There is an associated pagetoc.css, for styling.
Synchronizing josh subtree with rustc
This repository is linked to rust-lang/rust as a josh subtree. You can use the rustc-josh-sync tool to perform synchronization.
You can find a guide on how to perform the synchronization here.