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|
#!/bin/sh
TOPDIR=$(dirname $0)
if [ -z "${INCDIR}" ]; then
INCDIR="${TOPDIR}/include"
fi
. "${TOPDIR}/mk.sh"
export LC_ALL=POSIX
export LANG=POSIX
HEADER=$1
HEADERNAME=$(echo $HEADER | sed -e "s#^${INCDIR}/*##")
GUARD=__$(echo $HEADERNAME | tr a-z/. A-Z__)__
mkdir -p $(dirname $HEADER)
exec > $HEADER
if [ $(basename $HEADER) != assert.h ]; then
printf '#ifndef %s\n#define %s\n\n' ${GUARD} ${GUARD}
fi
cat <<EOF
/*
UNG's Not GNU
Copyright (c) 2011-2019, Jakob Kaivo <jkk@ung.org>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
EOF
rm -rf $HEADER.*
for i in $(cat "${TOPDIR}/.deps/${HEADERNAME}.deps" | sort -u); do
# TODO: refs
type=$(classify_source $i)
source=$i
if [ $type = "REFERENCE" ] && ! grep -Fq 'REFERENCE(<' $source; then
source=src/$(grep REFERENCE $i | m4 -DREFERENCE='$1')
type=$(classify_source $source)
fi
version=v$(grep -F -e 'STDC(' -e 'POSIX(' -e 'XOPEN(' $i | sed -e 's/STDC/C/' | sort | tr , - | tr -d '() \n')
mkdir -p $HEADER.$type
echo $source >> $HEADER.$type/$version
if ! [ -f $(dirname $0)/.deps/ftm/$version ]; then
mkdir -p $(dirname $0)/.deps/ftm
version_guard $source > $(dirname $0)/.deps/ftm/$version
fi
printf '%s <%s> (%s)\n' "$i" "$HEADER" "$version" >&2
done
if grep -Fq 'POSIX(' $(cat $HEADER.*/*); then
cat <<-EOF
#if defined _XOPEN_SOURCE && !defined _POSIX_C_SOURCE
# if (_XOPEN_SOURCE >= 700)
# define _POSIX_C_SOURCE 200809L
# elif (_XOPEN_SOURCE >= 600)
# define _POSIX_C_SOURCE 200112L
# elif (_XOPEN_SOURCE >= 500)
# define _POSIX_C_SOURCE 199506L
# else
# define _POSIX_C_SOURCE 2
# endif
#endif
#if defined _POSIX_C_SOURCE && !defined _POSIX_SOURCE
# define _POSIX_SOURCE
#endif
EOF
fi
for type in REFERENCE MACRO TYPE TYPE_LONG RECORD FNTYPE EXTERN; do
if [ -d $HEADER.$type ]; then
for v in $HEADER.$type/*; do
version=$(cat $(dirname $0)/.deps/ftm/$(basename $v | sed -e 's/^.*\.//'))
if [ -n "$version" ]; then
printf '%s\n' "$version"
fi
for i in $(sort -u $v); do
printf '/* %s */\n' $i
get_declaration $i
done
if [ -n "$version" ]; then
printf '#endif\n'
fi
printf '\n'
done
rm -rf $HEADER.$type
fi
done
if [ -d $HEADER.TGFN ]; then
for v in $HEADER.TGFN/*; do
version=$(cat $(dirname $0)/.deps/ftm/$(basename $v | sed -e 's/^.*\.//'))
if [ -n "$version" ]; then
printf '%s\n' "$version"
fi
for i in $(sort -u $v); do
printf '/* %s */\n' $i
get_declaration $i TGFN
done
if [ -n "$version" ]; then
printf '#endif\n'
fi
printf '\n'
done
rm -rf $HEADER.TGFN
fi
if [ -d $HEADER.FUNCTION ]; then
if grep -q restrict $(cat $HEADER.FUNCTION/*); then
if grep -Fq -e 'STDC(1)' -e 'STDC(1,' -e 'STDC(199409' $(grep -l restrict $(cat $HEADER.FUNCTION/*)) || ! grep -Fq 'STDC(' $(grep -l restrict $(cat $HEADER.FUNCTION/*)); then
printf '#if (!defined __STDC_VERSION__) || (__STDC_VERSION__ < 199901L)\n'
printf '#define restrict\n'
printf '#endif\n\n'
fi
fi
### TODO: only if header works with C<11
if grep -q _Noreturn $(cat $HEADER.FUNCTION/*); then
printf '#if (!defined __STDC_VERSION__) || (__STDC_VERSION__ < 200112L)\n'
printf '#define _Noreturn\n'
printf '#endif\n\n'
fi
for v in $HEADER.FUNCTION/*; do
version=$(cat $(dirname $0)/.deps/ftm/$(basename $v | sed -e 's/^.*\.//'))
if [ -n "$version" ]; then
printf '%s\n' "$version"
fi
for i in $(sort -u $v); do
printf '/* %s */\n' $i
get_declaration $i FUNCTION | sed -e 's/\([a-zA-Z_][a-zA-Z_0-9]*\)\([,)]\)/__\1\2/g;s/(__\([a-zA-Z_][a-zA-Z_0-9]*\))/(\1)/g'
done
if [ -n "$version" ]; then
printf '#endif\n'
fi
printf '\n'
done
rm -rf $HEADER.FUNCTION
fi
rm -rf $HEADER.REFERENCE
if [ $(basename $HEADER) != assert.h ]; then
printf '\n#endif\n'
fi
|
