Macintosh Common Lisp

Macintosh Common Lisp (MCL) is an implementation and IDE for the Common Lisp programming language. Various versions of MCL run under the classic Mac OS (m68k and PPC) and Mac OS X.

Versions of MCL up to and including 5.1 are proprietary. Version 5.2 has been open sourced.

In 2009 a new different version of MCL has been open sourced: RMCL.[1] RMCL is based on MCL 5.1 and does run under Rosetta on Intel-based Macs.

Features of MCL

MCL was famous for its integration with the Macintosh toolbox (later: Apple Carbon), which allowed direct access to most of the Mac OS functionality directly from Lisp. This was achieved with a low-level interface that allowed direct manipulation of native Mac OS data structures from Lisp, together with a high-level interface that was more convenient to use.

In a 2001 article in Dr. Dobbs Journal, Peter Norvig wrote that "MCL is my favorite IDE on the Macintosh platform for any language and is a serious rival to those on other platforms".[2]

History of MCL

Development on MCL began in 1984.

Over its history, MCL has been known under different names:

Running on 68k-based Apple Macintosh Computers:

Running on PowerPC-based Apple Macintosh Computers:

It has also spawned at least one separately maintained fork:

References

  1. RMCL announcement
  2. Extreme Rapid Development

External links

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