209 lines
8.0 KiB
Scheme
Executable File
209 lines
8.0 KiB
Scheme
Executable File
#! /bin/sh
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# -*-scheme-*-
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mes_p=$(type -p mes)
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if [ '(' -z "$mes_p" -a -z "$MES" ')' -o "$MES" = "guile" -o "$MES" = "mes.guile" ]; then
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GODIR=${GODIR-@GODIR@}
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GUILEDIR=${GUILEDIR-@GUILEDIR@}
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[ "$GODIR" = @"GODIR"@ ] && GODIR=$(dirname $0)
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[ "$GUILEDIR" = @"GUILEDIR"@ ] && GUILEDIR=$(dirname $0)/../guile
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export GUILE_AUTO_COMPILE=${GUILE_AUTO_COMPILE-0}
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GUILE_LOAD_COMPILED_PATH=$GODIR:$GUILE_LOAD_COMPILED_PATH
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exec ${GUILE-guile} -L $GUILEDIR -e '(mescc)' -s "$0" "$@"
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else
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MES=${MES-$(dirname $0)/mes}
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PREFIX=${PREFIX-@PREFIX@}
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if [ "$MES_PREFIX" = @PREFIX""@ ]
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then
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MES_PREFIX=$(cd $(dirname $0)/.. && pwd)
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export MES_PREFIX
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else
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MES_PREFIX=${MES_PREFIX-$PREFIX/share/mes}
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fi
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MES_MODULEDIR=${MES_MODULEDIR-$MES_PREFIX/"module"}
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export MES_MODULEDIR
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$MES -s $0 "$@"
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exit $?
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fi
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!#
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;;; 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 Mes.
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;;;
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;;; 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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;;; 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 Mes. If not, see <http://www.gnu.org/licenses/>.
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#!
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Run with Guile-1.8:
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GUILE='~/src/guile-1.8/build/pre-inst-guile --debug -q' scripts/mescc
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!#
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(define-module (mescc)
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#:use-module (language c99 info)
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#:use-module (language c99 compiler)
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#:use-module (mes elf)
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#:use-module (mes M1)
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#:use-module (ice-9 getopt-long)
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#:use-module (ice-9 pretty-print)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:export (main))
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(define %prefix (if (string-prefix? "@PREFIX" "@PREFIX@") (or (getenv "MES_PREFIX") "") "@PREFIX@"))
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(cond-expand
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(mes
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(define %scheme "mes")
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(define (set-port-encoding! port encoding) #t))
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(guile-2
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(define %scheme "guile")
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(define-macro (mes-use-module . rest) #t)
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(module-define! (resolve-module '(language c99 compiler)) '%prefix %prefix))
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(guile
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(use-modules (ice-9 syncase))
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(define %scheme "guile")
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(define-macro (mes-use-module . rest) #t)
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(module-define! (resolve-module '(language c99 compiler)) '%prefix %prefix)))
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(define guile? (equal? %scheme "guile"))
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(mes-use-module (mes guile))
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(mes-use-module (mes getopt-long))
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(mes-use-module (mes pretty-print))
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(mes-use-module (language c99 info))
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(mes-use-module (language c99 compiler))
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(mes-use-module (mes display))
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(mes-use-module (mes elf))
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(mes-use-module (mes M1))
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(mes-use-module (srfi srfi-1))
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(mes-use-module (srfi srfi-26))
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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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'((c (single-char #\c))
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(define (single-char #\D) (value #t))
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(E (single-char #\E))
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(g (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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(o (single-char #\o) (value #t))
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(version (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 (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 compile and assemble, but do not link
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-D DEFINE define DEFINE
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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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-o FILE write output to FILE
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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 (read-object file)
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(let ((char (with-input-from-file file read-char)))
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(if (eq? char #\#) (error "hex2 format not supported:" file)))
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(with-input-from-file file read))
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(define (main:ast->info file)
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(let ((ast (with-input-from-file file read)))
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(c99-ast->info ast)))
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(define (source->ast write defines includes)
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(lambda (file)
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(with-input-from-file file
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(lambda ()
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(write (c99-input->ast #:defines defines #:includes includes))))))
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(define (source->info defines includes)
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(lambda (file)
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(with-input-from-file file
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(lambda ()
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((c99-input->info #:defines defines #:includes includes))))))
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(define (ast? o)
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(or (string-suffix? ".E" o)
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(string-suffix? (string-append "." %scheme "-E") o)
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(string-suffix? "-E" o)))
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(define (object? o)
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(or (string-suffix? ".o" o)
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(string-suffix? (string-append "." %scheme "-o") o)
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(string-suffix? "-o" o)))
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(define (main args)
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(let* ((options (parse-opts args))
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(files (option-ref options '() '()))
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(file (car files))
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(preprocess? (option-ref options 'E #f))
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(compile? (option-ref options 'c #f))
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(debug-info? (option-ref options 'g #f))
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(asts (filter ast? files))
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(objects (filter object? files))
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(sources (filter (cut string-suffix? ".c" <>) files))
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(base (substring file (1+ (or (string-rindex file #\/) -1)) (- (string-length file) 2)))
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(out (option-ref options 'o (cond (compile? (string-append base ".o"))
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(preprocess? (string-append base ".E"))
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(else "a.out"))))
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(multi-opt (lambda (option) (lambda (o) (and (eq? (car o) option) (cdr o)))))
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(defines (reverse (filter-map (multi-opt 'define) options)))
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(includes (reverse (filter-map (multi-opt 'include) options)))
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(pretty-print/write (string->symbol (option-ref options 'write (if guile? "pretty-print" "write"))))
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(pretty-print/write (if (eq? pretty-print/write 'pretty-print) pretty-print write)))
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(when (getenv "MES_DEBUG")
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(setenv "NYACC_TRACE" "yes")
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(format (current-error-port) "options=~s\n" options)
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(format (current-error-port) "output: ~a\n" out))
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(if (and (pair? sources) (pair? objects)) (error "cannot mix source and object files:" files))
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(with-output-to-file out
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(lambda ()
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(if (and (not compile?)
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(not preprocess?)) (set-port-encoding! (current-output-port) "ISO-8859-1"))
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(cond ((pair? objects) (let ((objects (map read-object objects)))
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(if compile? (objects->M1 objects)
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(objects->elf objects))))
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((pair? asts) (let* ((infos (map main:ast->info asts))
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(objects (map info->object infos)))
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(if compile? (objects->M1 objects)
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(objects->elf objects))))
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((pair? sources) (if preprocess? (map (source->ast pretty-print/write defines includes) sources)
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(let* ((infos (map (source->info defines includes) sources))
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(objects (map info->object infos)))
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(if compile? (objects->M1 objects)
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(objects->elf objects))))))))))
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(main (command-line))
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'done
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