Kyoto Common Lisp

Kyoto Common Lisp (KCL) is an implementation of Common Lisp by Taichi Yuasa and Masami Hagiya, written in C to run under Unix-like operating systems. KCL is compiled to ANSI C. It conforms to Common Lisp as described in the 1984 first edition of Guy Steele's book Common Lisp the Language and is available under a licence agreement.

Kyoto Common Lisp
Original author(s)Taiichi Yuasa, Masami Hagiya
Developer(s)SIGLISP(Research Institute for Mathematical Sciences, Kyoto University)
Initial releaseApril 1984 (1984-04)
Stable release
"June 3, 1987" / June 3, 1987 (1987-06-03)
Written inC, Common Lisp
Operating systemUnix, VMS, AOS
LicenseSIGLISP License[1]

KCL is notable in that it was implemented from scratch, outside of the standard committee, solely on the basis of the specification. It was one of the first Common Lisp implementations ever, and exposed a number of holes and mistakes in the specification that had gone unnoticed.

Derived software
  • Austin Kyoto Common Lisp (AKCL) is a collection of ports, bug fixes, and performance improvements to KCL made by William Schelter. AKCL has been ported to a range of Unix workstations.
  • GNU Common Lisp (GCL) was derived from AKCL.[2]
  • Embeddable Common-Lisp (ECL) was derived from KCL.[3]
  • ManKai Common Lisp (MKCL) was derived from ECL.[4]
  • Commercial versions of Kyoto Common Lisp were Ibuki Common Lisp[5] and Delphi Common Lisp.

References
  1. https://www.cs.cmu.edu/afs/cs/project/ai-repository/ai/lang/lisp/impl/kcl/kcl/old/license.txt
  2. https://www.gnu.org/software/gcl/
  3. https://common-lisp.net/project/ecl
  4. https://common-lisp.net/project/mkcl
  5. "Ibuki CL, a commercial version of KCL".


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