[rb-general] Mes 0.11 released

Jan Nieuwenhuizen janneke at gnu.org
Sat Nov 18 17:15:09 CET 2017

I am pleased to announce the release of Mes 0.11, representing 16
commits over 10 weeks.  MesCC now compiles a less heavily patched
TinyCC into a mes-tcc that in turn passes 41/69 of mescc's C tests.

When mes-tcc passes all 69 tests, this almost-full-source-bootstrapped
version of TinyCC should be able to compile itself.  An unpatched, GNU
Gcc-compiled tcc is known to compile GNU Gcc.

* About

    Mes[0] aims to create full source bootstrapping for GuixSD[1] as
    part of the bootstrappable builds[2] project.

    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.  This C prototype will be rewritten in stage0[3]
    M1 assembly (or compiled by M2-Planet or stage2 slow-LISP, or ...).

    The Scheme interpreter prototype (mes.c) has a Garbage Collector,
    a library of loadable Scheme modules-- notably Dominique Boucher's
    LALR[4], Pre-R6RS portable syntax-case[5] with R7RS ellipsis, Matt
    Wette's Nyacc[6], Guile's PEG[7] --and test suite just barely
    enough to support a simple REPL (repl.mes) and simple C-compiler
    MesCC (mescc.mes).

    MesCC can compile a modified TinyCC[8] that is close to being
    self-hosting.  A GNU Ccc-compiled tcc is known[9] to compile GCC.

    Mes is inspired by The Maxwell Equations of Software: LISP-1.5[10]
    -- John McCarthy page 13, GNU Guix's source/binary packaging
    transparency and Jeremiah Orians's stage0 ~300 byte self-hosting
    hex assembler.

* Download

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

    wget https://gitlab.com/janneke/mes/repository/archive.tar.gz?ref=v0.11 -O mes-0.11.tar.gz

Mes runs from the source tree and can also be built, packaged and
installed in Guix[SD] by the usual

    guix package -f guix.scm

* Changes in 0.11 since 0.10
 ** MesCC
 *** MesCC now compiles a mes-tcc that passes 41/69 of mescc's C tests.
 *** MesCC's libc can now be compiled with tcc (syscall support: write).
 *** MesCC now compiles a less-patched tcc: -214/+458 lines [WAS: -333/+747].
 *** MesCC now supports empty for.
 *** MesCC has been greatly refactored, 500/3000 lines have been removed.
 *** MesCC now supports complex [struct] by value assign foo.bar, foo->bar, foo[bar].
 *** MesCC now depends on Nyacc 0.82.4.


[0] https://gitlab.com/janneke/mes
[1] https://www.gnu.org/software/guix
[2] http://bootstrappable.org
[3] https://github.com/oriansj/stage0
[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

Jan Nieuwenhuizen <janneke at gnu.org> | GNU LilyPond http://lilypond.org
Freelance IT http://JoyofSource.com | AvatarĀ® http://AvatarAcademy.com

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