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GNU Mes is a Scheme interpreter and C compiler for bootstrapping the GNU System.
762 Commits 103 Branches 30 Tags 102 MiB
Scheme 54.5%
C 39.1%
Shell 5%
Assembly 0.6%
C++ 0.5%
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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
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
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
configure Release 0.6. 2016-12-25 15:51:53 +01:00
guix.scm guix: Update from Guix. 2017-05-23 20:11:51 +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