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| Paradigms | Multi: functional, procedural, meta |
|---|---|
| Family | Lisp |
| Designed by | George J. Carrette |
| Developer | George J. Carrette |
| First appeared | April 1988; 36 years ago (1988-04) |
| Stable release | 3.63 / 27 April 2008; 16 years ago (2008-04-27) |
| Typing discipline | Strong, dynamic, latent |
| Scope | Lexical |
| Implementation language | C |
| Platform | VAX, SPARC, IA-32 |
| OS | Cross-platform: Linux, Solaris, IRIX, OpenVMS, Windows |
| License | LGPL |
| Website | people |
| Influenced by | |
| Lisp, Scheme | |
| Influenced | |
| SCM, Guile | |
Scheme In One Defun, or humorously Scheme In One Day (SIOD) is a programming language, a dialect of the language Lisp, a small-size implementation of the dialect Scheme, written in C and designed to be embedded inside C programs. It is notable for being perhaps the smallest practical implementation of a Lisp-like language. It was written by George J. Carrette originally. It is free and open-source software released under a GNU Lesser General Public License (LGPL).
Features
SIOD features include:
- Implements the original version of Scheme from the Lambda Papers, but none of the modern language standards.
- Represents a very early use of conservative garbage collection in a Lisp interpreter, a method later copied by SCM and Guile.
- Compiling is implemented by emitting a fixed machine code prologue followed by a fast-loading binary representation of the parse tree to be interpreted.
Applications
- GNU Image Manipulation Program (GIMP) – SIOD was its primary extension language, Script-Fu, until GIMP 2.4 was released.
- Siag Office – Scheme in a Grid (SIAG) is a spreadsheet application using SIOD as a base.
- Festival Speech Synthesis System – SIOD is its underlying command interpreter.
References
- "GIMP – Script-Fu Migration Guide". gimp.org. Retrieved 2011-11-12.
- "CSTR Festival Speech Synthesis System". Retrieved 2013-05-26.
