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fork of mes with aarch64 support

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Jan Nieuwenhuizen 6af7556d51 mescc: C99 header files and declaraions. * libc/include/assert.h (assert_fail): * libc/include/stdio.h: +int eputs (char const* s); +int fputs (char const* s); +int puts (char const* s); +int putchar (int c); +int fputc (int c, int fd); +int getchar (); * libc/include/stdlib.h: +char* getenv (char const* s) +int atoi (char const s); +int malloc (size_t); +int realloc (int p, int size); * libc/include/unistd.h (access): * src/lib.c (display_helper): * src/mes.c (read_input_file_env): * src/posix.c: Include unistd.h.		2017-05-23 07:16:08 +02:00
build-aux	make: Recompile .go too when included mes is touched.	2017-05-02 16:56:14 +02:00
doc	doc: typo	2017-05-14 19:23:15 +02:00
guile	mescc: support -E.	2017-05-22 19:22:18 +02:00
libc	mescc: C99 header files and declaraions.	2017-05-23 07:16:08 +02:00
make	mescc: C99 header files and declaraions.	2017-05-23 07:16:08 +02:00
module	mescc: C99 header files and declaraions.	2017-05-23 07:16:08 +02:00
scaffold	mescc: Refactor mlibc compilation.	2017-05-21 22:25:02 +02:00
scripts	mescc: support -E.	2017-05-22 19:22:18 +02:00
src	mescc: C99 header files and declaraions.	2017-05-23 07:16:08 +02:00
tests	mes: Support octal numbers in reader.	2017-05-19 21:10:08 +02:00
tinycc	test: Run 33/55 tests of ../tinycc/tests/test2 if avaiable.	2017-05-04 19:41:45 +02:00
.gitignore	build: Refactor.	2017-04-12 21:27:59 +02:00
AUTHORS	mes: Add getopt-long.	2017-05-18 22:03:02 +02:00
configure	Release 0.6.	2016-12-25 15:51:53 +01:00
COPYING	Add Guile version of John McCarthy's Maxwell Equations of Software.	2016-05-28 16:26:06 +02:00
GNUmakefile	mescc: Refactor mlibc compilation.	2017-05-21 22:25:02 +02:00
guix.scm	guix: Update from Guix.	2017-05-23 20:11:51 +02:00
HACKING	doc: Release update.	2017-04-27 12:08:16 +02:00
INSTALL	nyacc: Unbundle.	2017-05-07 10:04:32 +02:00
NEWS	doc: Release update.	2017-05-06 17:46:41 +02:00
README	doc: Release update.	2017-04-27 12:08:16 +02:00

README

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

Mes aims to create full source bootstrapping for GuixSD: an entirely
source-based bootstrap path.  The target is to [have GuixSD] boostrap
from a minimal, easily inspectable binary --that should be readable as
source-- into something close to R6RS Scheme.

It currently consists of a mutual self-hosting [close to Guile-]
Scheme interpreter prototype in C and a Nyacc-based C compiler in
[Guile] Scheme.

The Scheme interpreter prototype (mes.c) has a Garbage Collector, a
library of loadable Scheme modules-- notably [[https://github.com/schemeway/lalr-scm][Dominique Boucher's LALR]],
[[https://www.cs.indiana.edu/chezscheme/syntax-case/old-psyntax.html][Pre-R6RS portable syntax-case]] with R7RS ellipsis, [[http://www.nongnu.org/nyacc/][Matt Wette's Nyacc]]
and [[https://www.gnu.org/software/guile/docs/master/guile.html/PEG-Parsing.html][Guile's PEG]] --and test suite just barely enough to support a
simple REPL (repl.mes) and simple C-compiler (mescc.mes) that can
produce the second initial ELF binary from binary from mes.c, in only
about 2h30'.

Mes is inspired by The Maxwell Equations of Software: [[http://www.softwarepreservation.org/projects/LISP/book/LISP%25201.5%2520Programmers%2520Manual.pdf][LISP-1.5]] -- John
McCarthy page 13, [[https://www.gnu.org/software/guix/][GNU Guix's]] source/binary packaging transparency and
[[https://github.com/oriansj/stage0][Jeremiah Orians's stage0]] bootstrap project.

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

   scripts/repl.mes

* Mescc compiler

   scripts/mescc.mes doc/examples/main.c > a.out