9577284633
constructs like ${var%$nl}. Apparently this allows the Ubuntu Linux
/bin/sh (dash) to be used as a host shell during the build.
Patch from PR 39786 by Andy Shevchenko.
171 lines
3.9 KiB
Bash
Executable File
171 lines
3.9 KiB
Bash
Executable File
#! /bin/sh
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# $NetBSD: mkinit.sh,v 1.5 2008/10/23 20:21:57 apb Exp $
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# Copyright (c) 2003 The NetBSD Foundation, Inc.
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# All rights reserved.
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#
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# This code is derived from software contributed to The NetBSD Foundation
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# by David Laight.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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srcs="$*"
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nl='
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'
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openparen='('
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backslash='\'
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includes=' "shell.h" "mystring.h" "init.h" '
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defines=
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decles=
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event_init=
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event_reset=
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event_shellproc=
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for src in $srcs; do
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exec <$src
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decnl="$nl"
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while IFS=; read -r line; do
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[ "$line" = x ]
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case "$line " in
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INIT["{ "]* ) event=init;;
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RESET["{ "]* ) event=reset;;
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SHELLPROC["{ "]* ) event=shellproc;;
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INCLUDE[\ \ ]* )
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IFS=' '
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set -- $line
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# ignore duplicates
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[ "${includes}" != "${includes%* $2 }" ] && continue
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includes="$includes$2 "
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continue
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;;
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MKINIT\ )
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# struct declaration
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decles="$decles$nl"
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while
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read -r line
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decles="${decles}${line}${nl}"
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[ "$line" != "};" ]
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do
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:
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done
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decnl="$nl"
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continue
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;;
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MKINIT["{ "]* )
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# strip initialiser
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def=${line#MKINIT}
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comment="${def#*;}"
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def="${def%;$comment}"
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def="${def%%=*}"
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def="${def% }"
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decles="${decles}${decnl}extern${def};${comment}${nl}"
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decnl=
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continue
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;;
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\#define[\ \ ]* )
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IFS=' '
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set -- $line
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# Ignore those with arguments
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[ "$2" = "${2##*$openparen}" ] || continue
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# and multiline definitions
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[ "$line" = "${line%$backslash}" ] || continue
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defines="${defines}#undef $2${nl}${line}${nl}"
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continue
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;;
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* ) continue;;
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esac
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# code for events
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ev="${nl} /* from $src: */${nl} {${nl}"
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# Indent the text by an extra <tab>
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while
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read -r line
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[ "$line" != "}" ]
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do
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[ -n "$line" -a "$line" = "${line###}" ] &&
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line=" $line"
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ev="${ev}${line}${nl}"
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done
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ev="${ev} }${nl}"
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eval event_$event=\"\$event_$event\$ev\"
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done
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done
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exec >init.c.tmp
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echo "/*"
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echo " * This file was generated by the mkinit program."
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echo " */"
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echo
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IFS=' '
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for f in $includes; do
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echo "#include $f"
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done
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echo
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echo
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echo
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echo "$defines"
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echo
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echo "$decles"
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echo
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echo
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echo "/*"
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echo " * Initialization code."
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echo " */"
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echo
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echo "void"
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echo "init(void)"
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echo "{"
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echo "${event_init}"
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echo "}"
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echo
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echo
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echo
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echo "/*"
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echo " * This routine is called when an error or an interrupt occurs in an"
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echo " * interactive shell and control is returned to the main command loop."
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echo " */"
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echo
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echo "void"
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echo "reset(void)"
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echo "{"
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echo "${event_reset}"
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echo "}"
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echo
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echo
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echo
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echo "/*"
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echo " * This routine is called to initialize the shell to run a shell procedure."
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echo " */"
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echo
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echo "void"
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echo "initshellproc(void)"
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echo "{"
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echo "${event_shellproc}"
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echo "}"
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exec >&-
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mv init.c.tmp init.c
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