https://github.com/huonw/header

Create a .h from a Rust file
https://github.com/huonw/header

Last synced: about 1 month ago
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Create a .h from a Rust file

• Host: GitHub
• URL: https://github.com/huonw/header
• Owner: huonw
• License: other
• Created: 2014-01-25T13:02:14.000Z (almost 11 years ago)
• Default Branch: master
• Last Pushed: 2014-01-25T13:03:21.000Z (almost 11 years ago)
• Last Synced: 2023-04-10T09:39:25.743Z (over 1 year ago)
• Language: Rust
• Size: 102 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: COPYING

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README

        
# Semi-complete .h generator

Reads in a crate and creates a header out of the exported structs and

`extern "C"` function definitions in it. It currently only supports

primitive (non-vector or string) types in struct fields and function

definitions, and makes no effort to emit enums.

This is highly unlikely to see further work in the near future, and is

meant as somewhat of an example of interfacing with the `syntax` and

`rustc` libraries, although

[#11792](https://github.com/mozilla/rust/issues/11792) means it's not

so great (see `#[no_std]` hack below).

## Example

To run the example in `example`:

- compile `bin.rs` and `example/rust.rs` normally

- uncomment the `#[no_std];` lines & comment the `println!` ones in

  `rust.rs`

- run `header` on `rust.rs`

- compile `c.c` passing the appropriate flags to make it look for the

  Rust crate (`gcc c.c -L. -l$(rustc --crate-file-name rust.rs | sed

  's/^lib\(.*\)so$/\1/')` works for me)

- run the resulting binary to see the exciting Rust <-> C calls (may

  require pointing the dynamic libary loader to the current directory,

  e.g. `LD_LIBRARY_PATH=. ./a.out` on Linux)