141 lines
5.2 KiB
Scheme
Executable file
141 lines
5.2 KiB
Scheme
Executable file
#! @BASH@
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# -*-scheme-*-
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if [ "$V" = 2 ]; then
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set -x
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fi
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prefix=${prefix-@prefix@}
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MES_PREFIX=${MES_PREFIX-$prefix/share/mes}
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export MES_PREFIX
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mes_p=$(command -v mes)
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mescc=$(command -v $0)
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guile_site_dir=${guile_site_dir-@guile_site_dir@}
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GUILE_LOAD_PATH=$guile_site_dir:$GUILE_LOAD_PATH
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if [ '(' -z "$mes_p" -a -z "$MES" ')' -o "$MES" = "guile" -o "$MES" = "mes.guile" ]; then
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guile_site_ccache_dir=${guile_site_ccache_dir-@guile_site_ccache_dir@}
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GUILE_LOAD_COMPILED_PATH=$guile_site_ccache_dir:$GUILE_LOAD_COMPILED_PATH
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GUILE_AUTO_COMPILE=${GUILE_AUTO_COMPILE-0}
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export GUILE_AUTO_COMPILE
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exec ${GUILE-guile} -L $guile_site_dir -e '(mescc)' -s "$mescc" "$@"
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else
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MES=${MES-$(dirname $0)/mes}
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exec ${MES-mes} -e '(mescc)' -s "$mescc" "$@"
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fi
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!#
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;;; GNU Mes --- Maxwell Equations of Software
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;;; Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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;;;
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;;; This file is part of GNU Mes.
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;;;
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;;; GNU Mes is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Mes is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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(define-module (mescc)
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#:use-module (ice-9 getopt-long)
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#:use-module (mes misc)
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#:use-module (mescc mescc)
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#:export (main))
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(define %prefix (or (getenv "MES_PREFIX")
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(if (string-prefix? "@prefix" "@prefix@")
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""
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"@prefix@/share/mes")))
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(define %version (if (string-prefix? "@VERSION" "@VERSION@") "git"
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"@VERSION@"))
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(cond-expand
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(mes
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(define (set-port-encoding! port encoding) #t)
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(mes-use-module (mes guile))
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(mes-use-module (mes misc))
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(mes-use-module (mes getopt-long))
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(mes-use-module (mes display))
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(mes-use-module (mescc mescc)))
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(guile
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(define-macro (mes-use-module . rest) #t)))
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(when (and=> (getenv "V") (lambda (v) (> (string->number v) 1)))
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(format (current-error-port) "mescc[~a]...\n" %scheme))
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(define (parse-opts args)
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(let* ((option-spec
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'((assemble (single-char #\c))
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(base-address (value #t))
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(compile (single-char #\S))
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(define (single-char #\D) (value #t))
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(debug-info (single-char #\g))
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(help (single-char #\h))
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(include (single-char #\I) (value #t))
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(library-dir (single-char #\L) (value #t))
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(library (single-char #\l) (value #t))
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(machine (single-char #\m) (value #t))
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(preprocess (single-char #\E))
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(output (single-char #\o) (value #t))
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(version (single-char #\V))
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(verbose (single-char #\v))
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(write (single-char #\w) (value #t))))
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(options (getopt-long args option-spec))
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(help? (option-ref options 'help #f))
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(files (option-ref options '() '()))
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(usage? (and (not help?) (null? files)))
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(version? (option-ref options 'version #f)))
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(or
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(and version?
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(format (current-output-port) "mescc (GNU Mes) ~a\n" %version))
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(and (or help? usage?)
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(format (or (and usage? (current-error-port)) (current-output-port)) "\
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Usage: mescc [OPTION]... FILE...
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-c preprocess, compile and assemble only; do not link
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--base-address=ADRRESS
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use BaseAddress ADDRESS [0x1000000]
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-D DEFINE[=VALUE] define DEFINE [VALUE=1]
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-E preprocess only; do not compile, assemble or link
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-g add debug info [GDB, objdump] TODO: hex2 footer
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-h, --help display this help and exit
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-I DIR append DIR to include path
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-L DIR append DIR to library path
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-l LIBNAME link with LIBNAME
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-m BITS compile for BITS bits [32]
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-o FILE write output to FILE
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-S preprocess and compile only; do not assemble or link
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-v, --version display version and exit
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-w,--write=TYPE dump Nyacc AST using TYPE {pretty-print,write}
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Environment variables:
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MES=BINARY run on mes-executable BINARY {mes,guile}
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MES_DEBUG=LEVEL show debug output with verbosity LEVEL {0..5}
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NYACC_TRACE=1 show Nyacc progress
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")
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(exit (or (and usage? 2) 0)))
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options)))
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(define (main args)
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(let* ((options (parse-opts args))
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(options (acons 'prefix %prefix options))
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(preprocess? (option-ref options 'preprocess #f))
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(compile? (option-ref options 'compile #f))
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(assemble? (option-ref options 'assemble #f))
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(verbose? (option-ref options 'verbose (getenv "MES_DEBUG"))))
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(when verbose?
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(setenv "NYACC_TRACE" "yes")
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(format (current-error-port) "options=~s\n" options))
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(cond (preprocess? (mescc:preprocess options))
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(compile? (mescc:compile options))
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(assemble? (mescc:assemble options))
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(else (mescc:link options)))))
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'done
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