Bluish Coder: scheme

Ikarus Scheme - native-code compiler for R6RS Scheme

2007-11-01T12:23:00+13:00

Ikarus Scheme was announced on the comp.lang.scheme newsgroup. It's an open source R6RS Scheme system which does incremental native code compilation.

Ikarus is an optimizing compiler, so your Scheme code will run fast without the need to port hot spots to C "for performance". With an incremental compiler, you don't need a separate compilation step to make your program run fast. The best part is that the compiler itself is fast, capable of compiling thousands of lines of code per second.

More details at the Ikarus Scheme website.

Gambit Scheme on the Nintendo DS

2006-11-18T21:01:00+13:00

Andrew Lentvorski has ported Gambit Scheme to run on the Nintendo DS. It seems to include access to the DS wireless functionality to run a REPL over a socket.

Termite Distributed Scheme Released

2006-06-09T22:05:00+12:00

Termite, the Scheme-based system with Erlang style concurrency, has been released.

The Termite paper (pdf) outlines the features of Termite. I've been looking forward to trying this out!

SISCweb v0.33 announced

2006-04-17T19:34:00+12:00

Alessandro Colomba has announced the release of version 0.33 of SISCweb.

SISCweb is a continuation based web server written in SISC, a Scheme implementation that runs on the JVM.

New features mentioned in the release announcement include:

A new module siscweb/image provides procedures to send images from java.awt.image.RenderedImage objects or from files.
A new API wraps and "scheme-ifies" all methods on the Request, Response, Session and ServletContext objects. This makes it easier to access POST data through a scheme input port, or to set the response buffer size, or set Java or Scheme session attributes, for example.
A new procedure forward/dynenv/store! can be used in place of the @href-p attributes or plain forward/store! when one desires to capture the dynamic environment of a closure, e.g. SRFI-39 parameters. Because SISC 1.13 solves a few serialization bugs, it is now possible to use SRFI-39 parameters in place of session attributes for tracking state. This is particularly useful in event-based programming (e.g. AJAX). See the Counter example code (no pun intended).
Improvements to response writing improve performance for markup, graphviz, images.
Improvements to XML/XHTML output.
A new (backwards-compatible) API for siscweb/config.
Updated documentation throughout.
Some internal refactoring.