suzanne.soy/racket
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
The Racket repository
43,071 Commits 17 Branches 54 Tags 278 MiB
Racket 50.1%
C 35.9%
Scheme 3.4%
Shell 2.6%
Assembly 1.8%
Other 6.1%
87196e0144
Go to file
Matthew Flatt 87196e0144 Chez Scheme: add support for nonatomic foreign arrays 
A reference bytevector holds a mixture of addresses within GCable
objects and foreign addresses, where "address" corresponds to the
payload of a bytevector or flvector object. The GC knows to apply a
suitable offset to the reference, so that object counts as reachable
from a reference bytevector, and the reference bytevector is updated
if the object is relocated during a collection.

With this change, the restriction in Racket CS against passing
non-atomic memory to a foreign function can be lifted. For example,
`(_list i _string)` can be useful as the type of a foreign-call
argument.

Making reference bytevectors a subtype of bytevectors is not an
obvious choice, given that writing to a reference bytevector with
byte-level operations can easily corrupt it. But this choice makes
various things simpler and easier.
2021-05-10 11:16:03 -06:00
.github Run workflow directly in VM (#3731) 2021-03-19 18:23:29 +01:00
pkgs Chez Scheme: add support for nonatomic foreign arrays 2021-05-10 11:16:03 -06:00
racket Chez Scheme: add support for nonatomic foreign arrays 2021-05-10 11:16:03 -06:00
.gitattributes Don't include git files in archives. 2010-05-12 01:46:05 -04:00
.gitignore Fix typo. 2019-06-21 12:32:37 -05:00
.lgtm.yml Fetch PB to start LGTM build 2020-08-07 12:17:17 +02:00
.mailmap Minor metadata changes. 2019-10-15 08:09:32 -04:00
.makefile Chez Scheme: add support for nonatomic foreign arrays 2021-05-10 11:16:03 -06:00
build.md build guide: Chez Scheme for Racket is no longer in a separate repo 2021-04-07 06:50:42 -06:00
LICENSE update LICENSE to use "CS" and "BC" 2021-01-15 09:32:59 -07:00
Makefile Chez Scheme: add support for nonatomic foreign arrays 2021-05-10 11:16:03 -06:00
README.md Fix README 2020-09-06 09:03:42 -04:00

README.md

Racket is a general-purpose programming language and an ecosystem for language-oriented programming.

This repository holds the source code for the core of Racket plus some related packages. The rest of the Racket distribution source code is in other repositories, mostly under the Racket GitHub organization.

Quick Start

Pre-built versions of Racket for a variety of operating systems and architectures, as well as convenient source distributions are available at

https://download.racket-lang.org

Racket comes with extensive documentation, including several tutorials. You can read all of this documentation, as well as documentation for third-party packages at

https://docs.racket-lang.org

Building from Source

For information on building Racket from this repository, see the Build Guide.

Contributing

Contribute to Racket by submitting a pull request, joining the development mailing list, or visiting the IRC or Slack channels.

By making a contribution, you are agreeing that your contribution is licensed under the LGPLv3, Apache 2.0, and MIT licenses. Those licenses are available in this repository in the files racket/src/LICENSE-LGPL.txt, racket/src/LICENSE-APACHE.txt, and racket/src/LICENSE-MIT.txt.

See the Racket Build Guide for more guidance on contributing.

The Friendly Environment Policy contains guidelines on expected behavior within the Racket community.

License

Racket is free software; see LICENSE for more details.