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Jan Nieuwenhuizen 1dedd0ebca
mescc: Fix itoa. 
* lib/libc.c (itoa): Use function-static buffer.  Increase to 12 to
  handle INT_MIN.
  (itoab): Likewise.
2018-05-20 08:33:06 +02:00
build-aux mescc: Tinycc support: Char and short sign extend. 2018-05-18 23:58:10 +02:00
doc mescc: Refactor variable declaration. 2018-05-05 12:30:06 +02:00
guile build: Simplify, drop make.scm experiment. 2018-04-29 18:38:57 +02:00
include mescc: Tinycc support: Minimal float support. 2018-05-18 15:28:05 +02:00
lib mescc: Fix itoa. 2018-05-20 08:33:06 +02:00
module mescc: Tinycc support: Export nested struct definitions. 2018-05-19 20:49:56 +02:00
scaffold mescc: Fix itoa. 2018-05-20 08:33:06 +02:00
scripts build: Do not assume /bin/sh, basename/dirname. 2018-05-23 20:32:37 +02:00
src core: reader: Support binary #b101. 2018-05-16 22:32:59 +02:00
stage0 mescc: Tinycc support: Unsigned comparison. 2018-05-19 11:41:53 +02:00
tests mescc: Tinycc support: Minimal float support. 2018-05-18 15:28:05 +02:00
.gitignore build: Fixes for Debian and /bin/sh == dash. 2018-05-03 20:32:06 +02:00
AUTHORS doc: Release udpate. 2017-11-21 19:22:26 +01:00
BOOTSTRAP doc: Release udpate. 2018-04-22 00:45:00 +02:00
build.sh build: Fixes for Debian and /bin/sh == dash. 2018-05-03 20:32:06 +02:00
check.sh mes: Support srfi-9-gnu. 2018-05-04 12:44:05 +02:00
configure build: Update configure. 2018-05-21 00:06:39 +02:00
COPYING Add Guile version of John McCarthy's Maxwell Equations of Software. 2016-05-28 16:26:06 +02:00
GNUmakefile build: Use ../mes-seed/refresh.sh, ../tinycc-seed/refresh.sh. 2018-05-10 16:35:49 +02:00
guix.scm guix: Update mes to 0.13. 2018-04-28 13:49:44 +02:00
HACKING doc: Release udpate. 2018-04-22 00:45:00 +02:00
INSTALL doc: Release udpate. 2017-11-21 19:22:26 +01:00
install.sh build: Do not assume /bin/sh, basename/dirname. 2018-05-23 20:32:37 +02:00
NEWS doc: Release udpate. 2018-04-22 00:45:00 +02:00
README doc: Release udpate. 2018-04-22 00:45:00 +02:00

README 

                                                              -*- org -*-
Mes -- Maxwell Equations of Software

[[https://gitlab.com/janneke/mes][Mes]] aims to help create full source bootstrapping for [[https://www.gnu.org/software/guix][GuixSD]] as part
of the [[http://bootstrappable.org][bootstrappable builds]] effort.

It currently consists of a mutual self-hosting Scheme interpreter
prototype written in C and a Nyacc-based C compiler written in Scheme.
This C prototype is being simplified to be transpiled by [[https://github.com/oriansj/m2-planet][M2-Planet]].

The Scheme interpreter prototype (mes.c) has a Garbage Collector, a
library of loadable Scheme modules-- notably Dominique Boucher's [[https://github.com/schemeway/lalr-scm][LALR]],
Pre-R6RS [[https://www.cs.indiana.edu/chezscheme/syntax-case/old-psyntax.html][portable syntax-case]] with R7RS ellipsis, Matt Wette's [[https://www.nongnu.org/nyacc][Nyacc]],
Guile's [[https://www.gnu.org/software/guile/docs/master/guile.html/PEG-Parsing.html][PEG]] --and test suite just barely enough to support a simple
REPL and simple C-compiler: MesCC.

Mes+MesCC can compile a [[https://gitlab.com/janneke/tinycc][modified TinyCC]] that is close to being
self-hosting.  A GNU Ccc-compiled tcc is [[https://lists.gnu.org/archive/html/tinycc-devel/2017-05/msg00103.html][known]] to compile GCC.

Mes is inspired by The Maxwell Equations of Software: [[http://www.softwarepreservation.org/projects/LISP/book/LISP%2525201.5%252520Programmers%252520Manual.pdf][LISP-1.5]] -- John
McCarthy page 13, GNU Guix's source/binary packaging transparency and
Jeremiah Orians's stage0 ~300 byte self-hosting hex assembler.

[0] https://gitlab.com/janneke/mes
[1] https://www.gnu.org/software/guix
[2] http://bootstrappable.org
[3] https://github.com/oriansj/m2-planet
[4] https://github.com/schemeway/lalr-scm
[5] https://www.cs.indiana.edu/chezscheme/syntax-case/old-psyntax.html
[6] https://www.nongnu.org/nyacc
[7] https://www.gnu.org/software/guile/docs/master/guile.html/PEG-Parsing.html
[8] https://gitlab.com/janneke/tinycc
[9] https://lists.gnu.org/archive/html/tinycc-devel/2017-05/msg00103.html
[10] http://www.softwarepreservation.org/projects/LISP/book/LISP%25201.5%2520Programmers%2520Manual.pdf
[11] https://github.com/oriansj/stage0

Mes is free software, it is distributed under the terms of the GNU
General Public Licence version 3 or later.  See the file COPYING.

* Get it

   git clone https://gitlab.com/janneke/mes

* Build it (see INSTALL for full instructions)

   ./configure
   make all
   make check

* REPL it

   src/mes.gcc        # default (64 bit) gcc-compiled
   src/mes.mlibc-gcc  # 32 bit, gcc -nostdlib
   src/mes            # 32 bit, bootstrapped, mes.M1+MesCC-compiled

* MesCC compiler

   scripts/mescc -c scaffold/main.c