mes/scripts/mescc.in
Jan Nieuwenhuizen 72cb975213
GNU Mes.
Throughout, make these changes

   Copyright headers: GNU Mes
   First mention of name: GNU Mes
   Website: https://www.gnu.org/software/mes
   Git:     git://git.savannah.gnu.org/mes.git
2018-07-22 14:24:36 +02:00

136 lines
5 KiB
Scheme
Executable file

#! @BASH@
# -*-scheme-*-
if [ "$V" = 2 ]; then
set -x
fi
prefix=${prefix-@prefix@}
MES_PREFIX=${MES_PREFIX-$prefix/share/mes}
export MES_PREFIX
mes_p=$(command -v mes)
mescc=$(command -v $0)
guile_site_dir=${guile_site_dir-@guile_site_dir@}
GUILE_LOAD_PATH=$guile_site_dir:$GUILE_LOAD_PATH
if [ '(' -z "$mes_p" -a -z "$MES" ')' -o "$MES" = "guile" -o "$MES" = "mes.guile" ]; then
guile_site_ccache_dir=${guile_site_ccache_dir-@guile_site_ccache_dir@}
GUILE_LOAD_COMPILED_PATH=$guile_site_ccache_dir:$GUILE_LOAD_COMPILED_PATH
GUILE_AUTO_COMPILE=${GUILE_AUTO_COMPILE-0}
export GUILE_AUTO_COMPILE
exec ${GUILE-guile} -L $guile_site_dir -e '(mescc)' -s "$mescc" "$@"
else
MES=${MES-$(dirname $0)/mes}
exec ${MES-${top_builddest}mes} -e '(mescc)' -s "$mescc" "$@"
fi
!#
;;; GNU Mes --- Maxwell Equations of Software
;;; Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
;;;
;;; This file is part of GNU Mes.
;;;
;;; GNU Mes is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Mes is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
(define-module (mescc)
#:use-module (ice-9 getopt-long)
#:use-module (mes misc)
#:use-module (mescc mescc)
#:export (main))
(define %prefix (or (getenv "MES_PREFIX")
(if (string-prefix? "@prefix" "@prefix@")
""
"@prefix@/share/mes")))
(define %version (if (string-prefix? "@VERSION" "@VERSION@") "git"
"@VERSION@"))
(cond-expand
(mes
(define (set-port-encoding! port encoding) #t)
(mes-use-module (mes guile))
(mes-use-module (mes misc))
(mes-use-module (mes getopt-long))
(mes-use-module (mes display))
(mes-use-module (mescc mescc)))
(guile
(define-macro (mes-use-module . rest) #t)))
(when (and=> (getenv "V") (lambda (v) (> (string->number v) 1)))
(format (current-error-port) "mescc[~a]...\n" %scheme))
(define (parse-opts args)
(let* ((option-spec
'((assemble (single-char #\c))
(compile (single-char #\S))
(define (single-char #\D) (value #t))
(debug-info (single-char #\g))
(help (single-char #\h))
(include (single-char #\I) (value #t))
(library-dir (single-char #\L) (value #t))
(library (single-char #\l) (value #t))
(preprocess (single-char #\E))
(output (single-char #\o) (value #t))
(version (single-char #\V))
(verbose (single-char #\v))
(write (single-char #\w) (value #t))))
(options (getopt-long args option-spec))
(help? (option-ref options 'help #f))
(files (option-ref options '() '()))
(usage? (and (not help?) (null? files)))
(version? (option-ref options 'version #f)))
(or
(and version?
(format (current-output-port) "mescc (GNU Mes) ~a\n" %version))
(and (or help? usage?)
(format (or (and usage? (current-error-port)) (current-output-port)) "\
Usage: mescc [OPTION]... FILE...
-c preprocess, compile and assemble only; do not link
-D DEFINE[=VALUE] define DEFINE [VALUE=1]
-E preprocess only; do not compile, assemble or link
-g add debug info [GDB, objdump] TODO: hex2 footer
-h, --help display this help and exit
-I DIR append DIR to include path
-L DIR append DIR to library path
-l LIBNAME link with LIBNAME
-o FILE write output to FILE
-S preprocess and compile only; do not assemble or link
-v, --version display version and exit
-w,--write=TYPE dump Nyacc AST using TYPE {pretty-print,write}
Environment variables:
MES=BINARY run on mes-executable BINARY {mes,guile}
MES_DEBUG=LEVEL show debug output with verbosity LEVEL {0..5}
NYACC_TRACE=1 show Nyacc progress
")
(exit (or (and usage? 2) 0)))
options)))
(define (main args)
(let* ((options (parse-opts args))
(options (acons 'prefix %prefix options))
(preprocess? (option-ref options 'preprocess #f))
(compile? (option-ref options 'compile #f))
(assemble? (option-ref options 'assemble #f))
(verbose? (option-ref options 'verbose (getenv "MES_DEBUG"))))
(when verbose?
(setenv "NYACC_TRACE" "yes")
(format (current-error-port) "options=~s\n" options))
(cond (preprocess? (mescc:preprocess options))
(compile? (mescc:compile options))
(assemble? (mescc:assemble options))
(else (mescc:link options)))))
'done