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The latest kernel is S31. The S prefix indicates that the kernel is conformant
to the standards laid down in The Book of Shen, 4th edition .
The downloads include versions built with extensions which are documented by the developer.
Unless stated, all versions should support the features documented in The Book of Shen . We are
happy to point to new downloads posted in the newsgroup but we do insist on standards of reliability
in these ports. There is a folder of test programs in the sources for people to test their ports.
Any Shen implementation should pass these tests modulo any memory limitations of the platform.
Kernel Downloads
The source code and installation instructions for the kernel can be downloaded from here.
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S31.03 | Released 13/12/2021. Attempting to redefine system functions cannot screw up types and arity. . |
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S31.02 | Released 15/11/2021. Backend functions
for Common Lisp placed in package .cl rather than .shen. . |
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S31.01 | Released 1/11/2021. This is the vanilla
version from Mark Tarver documented in The Book of Shen . |
Binaries
These are various ports which are based on the S series kernels.
| Platform | Operating System | Comments |
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SBCL | Windows | Ported by Mark Tarver, S31.03, based on standard installation SBCL 2.0.0. |
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CLisp | Windows | Ported by Mark Tarver, S31.03, based on standard installation CLisp, 2.49. |
There are a large number of pre-S series ports which can be found
here.
Useful Downloads.
The Standard Library
The most important is the standard library written by Mark Tarver, developed from
the closed source Shen Professional. This is documented in the 'Learn' section of
this site.
Editors
There have been several editors developed for Shen. Downloads exist for Emacs and Robert
Koeniger developed a version for Sublime.
Regex Parsing
Eric Schulte developed a
regex parser in
the manner of Perl for parsing large files.
Foreign Function Interface
Mark Tarver developed a
file-based FFI designed to work with the Shen instruction set
Miscellaneous
A compendium of other work, some historically early, is held here.. |
LATEST NEWS
Faster, smaller S31 Shen kernel released; read about the S series of kernels here.
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Fourth edition of 'The Book of Shen' released; read about it here.
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Bruno Deferrari wins the first Shen Open Science prize.
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Yggdrasil project launched - the grand unification of programming languages.
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