Chez Scheme
Scheme C TeX Makefile Shell CSS
Latest commit 76bbdec Jan 20, 2017 @akeep akeep committed on GitHub Merge pull request #139 from gwatt/format-twelfth
Write "twelfth" instead of "twelveth" in format
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boot - added tests for the case and exclusive-cond syntax-error calls Aug 23, 2016
c added needed #ifdef WIN32. Thanks, alflanagan! Sep 22, 2016
csug repaired descriptions of get-string-some! and get-bytevector-some! Dec 22, 2016
examples updated the sockets example to work with the current version of Chez. Sep 12, 2016
install added Windows installer using the WiX Toolset Jan 16, 2017
makefiles Bash test(1) does not allow bare numbers with ==, so use -eq May 22, 2016
mats Fix tests for format to be "twelfth", not "twelveth" Jan 10, 2017
nanopass @ 1f7e80b latest nanopass Jun 27, 2016
release_notes Use high-precision clock time on Windows 8 and up. Sep 22, 2016
s Write "twelfth" instead of "twelveth" in format Dec 22, 2016
stex @ 3bd2b86 - compile-whole-program and compile-whole-library now copy the hash-bang May 5, 2016
unicode initial upload of open-source release Apr 26, 2016
zlib @ 5089329 changing zlib and nanopass to be pulled as submodules. Apr 26, 2016
.gitattributes Adding .gitattributes files to correct language stats Oct 12, 2016
.gitignore - Cygwin is now used on Windows, updated mats, eliminated unused killme Jun 10, 2016
.gitmodules - compile-whole-program and compile-whole-library now copy the hash-bang May 5, 2016
BUILDING added Windows installer using the WiX Toolset Jan 16, 2017
CHARTER.md initial upload of open-source release Apr 26, 2016
CONTRIBUTING.md - added custom install options. workarea creates an empty config.h, May 6, 2016
LICENSE initial upload of open-source release Apr 26, 2016
LOG Merge branch 'master' into format-twelfth Jan 19, 2017
NOTICE * updated version to 9.4.1 May 17, 2016
README.md expanded on TSPL a bit Jun 1, 2016
bintar * updated version to 9.4.1 May 17, 2016
checkin * updated version to 9.4.1 May 17, 2016
configure Merge pull request #66 from fitzgen/allow-flags-to-pass-through-confi… Jun 13, 2016
newrelease - updated newrelease to produce the correct log-entry format and May 19, 2016
scheme.1.in - added custom install options. workarea creates an empty config.h, May 6, 2016
workarea - Cygwin is now used on Windows, updated mats, eliminated unused killme Jun 10, 2016

README.md

Chez Scheme is both a programming language and an implementation of that language, with supporting tools and documentation.

As a superset of the language described in the Revised6 Report on the Algorithmic Language Scheme (R6RS), Chez Scheme supports all standard features of Scheme, including first-class procedures, proper treatment of tail calls, continuations, user-defined records, libraries, exceptions, and hygienic macro expansion.

Chez Scheme also includes extensive support for interfacing with C and other languages, support for multiple threads possibly running on multiple cores, non-blocking I/O, and many other features.

The Chez Scheme implementation consists of a compiler, run-time system, and programming environment. Although an interpreter is available, all code is compiled by default. Source code is compiled on-the-fly when loaded from a source file or entered via the shell. A source file can also be precompiled into a stored binary form and automatically recompiled when its dependencies change. Whether compiling on the fly or precompiling, the compiler produces optimized machine code, with some optimization across separately compiled library boundaries. The compiler can also be directed to perform whole-program compilation, which does full cross-library optimization and also reduces a program and the libraries upon which it depends to a single binary.

The run-time system interfaces with the operating system and supports, among other things, binary and textual (Unicode) I/O, automatic storage management (dynamic memory allocation and generational garbage collection), library management, and exception handling. By default, the compiler is included in the run-time system, allowing programs to be generated and compiled at run time, and storage for dynamically compiled code, just like any other dynamically allocated storage, is automatically reclaimed by the garbage collector.

The programming environment includes a source-level debugger, a mechanism for producing HTML displays of profile counts and program "hot spots" when profiling is enabled during compilation, tools for inspecting memory usage, and an interactive shell interface (the expression editor, or "expeditor" for short) that supports multi-line expression editing.

The R6RS core of the Chez Scheme language is described in The Scheme Programming Language, which also includes an introduction to Scheme and a set of example programs. Chez Scheme's additional language, run-time system, and programming environment features are described in the Chez Scheme User's Guide. The latter includes a shared index and a shared summary of forms, with links where appropriate to the former, so it is often the best starting point.

Get started with Chez Scheme by Building Chez Scheme.

For more information see the Chez Scheme Project Page.