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Lisp-Assembly

A minimalist Lisp implementation in x86_64 assembly. Note that most of the code is in Dutch, since it was a personal project.

This is a minimalist Lisp implementation, entirely written within x86_64 assembly language and in the Lisp itself. The project was inspired by (and some parts of the implementation are based on) Jones Forth, a Forth implementation also written entirely in (32 bits) x86 assembly language, and a nice example of literate programming.

The basic language is implemented in lisp.nasm. This language is extended using its own primitives in the "standard library" file swail.lisp to a more complete Lisp dialect. The Makefile includes the following commands:

  • make # To make the executable, lisp-nasm
  • make doe # To run this executable, together with the standard library, giving a prompt.
  • make kever # To run the executable in GDB, together with useful command's for debugging (see lisp_gdb.py)
  • make proef # To run a few test cases.

Requirements

  • A computer with x86_64 processor running Linux.
  • A recent version of NASM, the Netwide Assembler, for example version 2.13.
  • A linker, for example the ld that is included with GCC.
  • (GNU) Make
  • Optionally: GDB, the GNU debugger, with Python3 support, for debugging.

Features

  • Minimalism
  • Built on x86_64 assembly
  • Dynamical scoping
  • Garbage collection
  • Configurable primitives