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Taking another look at SBCL, even the assembler and its code is written in Lisp: https://github.com/sbcl/sbcl/blob/master/src/assembly/x86/arith.lisp https://g

by jwdunne 11y ago

Taking another look at SBCL, even the assembler and its code is written in Lisp: https://github.com/sbcl/sbcl/blob/master/src/assembly/x86/arith.lisp https://github.com/sbcl/sbcl/blob/master/src/assembly/x86/ar... Very interesting stuff. In the same repo, you can also see that the compiler is also written in SBCL.

gmfawcett 11y ago
It's written in ANSI Common Lisp, not in an SBCL dialect: you can bootstrap SBCL with an ANSI CL implementation other than SBCL. IIRC, that was one of the key reasons for the original SBCL/CMUCL split.