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#!/bin/sh
TOPDIR=$(dirname $0)
DEPS=${TOPDIR}/.deps
SRCDIR=${TOPDIR}/src
classify_source () {
NAME=$(basename $1 .c)
if grep -q "^REFERENCE(" $1; then
echo REFERENCE
elif grep -q "^#define ${NAME}[ (]" $1; then
echo MACRO
elif grep -q "#undef ${NAME}" $1; then
echo MACRO
elif grep -q '^typedef .*(\*' $1; then
echo FNTYPE
elif grep -q "^typedef .*${NAME}.*;" $1; then
echo TYPE
elif grep -q "^struct .*;$" $1; then
echo TYPE
elif grep -q "^typedef.*{$" $1; then
echo TYPE_LONG
elif grep -q "^struct.*{" $1; then
echo RECORD
elif grep -q "^union.*{" $1; then
echo RECORD
elif grep -q "^[A-Za-z_].*[ \*]${NAME}[[;]" $1; then
echo EXTERN
elif grep -q 'TGFN' $1; then
echo TGFN
else
echo FUNCTION
fi
}
version_guard () {
parsed=/tmp/$(basename $1).v
grep -F -e 'STDC(' -e 'POSIX(' -e 'XOPEN(' $1 | sort | m4 $(dirname $0)/ftm.m4 - | grep . > $parsed
lines=$(wc -l $parsed | cut -f1 -d' ')
if [ $lines -ne 0 ]; then
printf '#if'
loop=1
while [ $loop -lt $lines ]; do
printf '\t(%s) || \\\n' "$(sed -ne "${loop}p;q" $parsed)"
loop=$((loop + 1))
done
printf '\t(%s)\n' "$(sed -ne "${loop}p" $parsed)"
fi
#rm -f $parsed
}
get_declaration () {
case ${2:-$(classify_source $1)} in
REFERENCE)
ref="$(grep -F 'REFERENCE(' $1 | m4 -DREFERENCE='$1')"
if (echo "$ref" | grep -q '<.*>'); then
echo "$ref"
else
get_declaration "src/${ref}"
fi
;;
MACRO)
grep -E '^(#(if|def|undef|el|end)| )' $1
;;
TYPE|TYPE_LONG|RECORD|FNTYPE)
if grep -q '^#if' $1; then
sed -ne '/^#if/,/#endif/p' $1
elif grep -qE '^(typedef|struct|union) .*{' $1; then
sed -ne '/{$/,/^}/p' $1
else
grep -E '^(typedef|struct|union) ' $1
fi
;;
EXTERN)
echo "extern $(grep '^[a-zA-Z_].*;$' $1)"
;;
FUNCTION)
echo "$(grep '^[a-zA-Z_].*)' $1 | head -n1);"
;;
TGFN)
echo "$(grep 'TGFN.*)$' $1 | m4 -DTGFN='$1' -DTYPE='double');"
echo "$(grep 'TGFN.*)$' $1 | m4 -DTGFN='$1f' -DTYPE='float');"
echo "$(grep 'TGFN.*)$' $1 | m4 -DTGFN='$1l' -DTYPE='long double');"
;;
*)
# unknown type, so try guessing
get_declaration $1
;;
esac
}
stdc_base() {
(grep 'STDC(' $1 | m4 -DSTDC='$1') || echo 0
}
posix_base() {
(grep 'POSIX(' $1 | m4 -DPOSIX='$1') || echo 0
}
xopen_base() {
(grep 'XOPEN(' $1 | m4 -DXOPEN='$1') || echo 0
}
find_all() {
rm -rf "${DEPS}"
mkdir -p "${DEPS}"
find "${SRCDIR}" -name \*.c > "${DEPS}/all.c"
find "${SRCDIR}" -name \*.ref > "${DEPS}/all.ref"
grep '#include <.*>' $(cat "${DEPS}/all.c" "${DEPS}/all.ref") |
sed 's/^.*<\(.*\.h\)>.*/\1/' | sort -u > "${DEPS}/all.h"
}
version_sources() {
for file in $(cat "${DEPS}/all.c" "${DEPS}/all.ref"); do
printf '%s\n' "$file"
c_version=$(stdc_base "${file}")
p_version=$(posix_base "${file}")
x_version=$(xopen_base "${file}")
if [ -n "${c_version}" ]; then
mkdir -p "${DEPS}/c.${c_version}"
echo "$file" >> "${DEPS}/c.${c_version}/sources"
fi
if [ -n "${p_version}" ]; then
mkdir -p "${DEPS}/p.${p_version}"
echo "$file" >> "${DEPS}/p.${p_version}/sources"
fi
if [ -n "${x_version}" ]; then
mkdir -p "${DEPS}/x.${x_version}"
echo "$file" >> "${DEPS}/x.${x_version}/sources"
fi
done
}
make_headers_mk() {
if ! [ -f "${DEPS}/all.h" ]; then
find_all
fi
rm -f "${TOPDIR}/.headers.mk"
printf '.POSIX:\n.DEFAULT: headers\ninclude config.mk\n\n' > "${TOPDIR}/.headers.mk"
for header in $(cat "${DEPS}/all.h"); do
printf 'Building dependencies for <%s>\n' "$header"
printf '$(INCDIR)/%s: mkh.sh ' "$header" >> "${TOPDIR}/.headers.mk"
grep -l "#include <${header}>" $(cat "${DEPS}/all.c" "${DEPS}/all.ref") | sed -e "s#${SRCDIR}#\$(SRCDIR)#" | tr '\n' ' ' >> "${TOPDIR}/.headers.mk"
printf '\n\tINCDIR=$(INCDIR) sh mkh.sh $@\n\n' >> "${TOPDIR}/.headers.mk"
done
printf 'headers: ' >> "${TOPDIR}/.headers.mk"
for header in $(cat "${DEPS}/all.h"); do
printf ' \\\n\t$(INCDIR)/%s' "$header" >> "${TOPDIR}/.headers.mk"
done
printf '\n' >> "${TOPDIR}/.headers.mk"
}
make_deps_mk() {
rm -f "${TOPDIR}/.deps.mk"
printf '.POSIX:\n.DEFAULT: all\ninclude config.mk\n\n' > "${TOPDIR}/.deps.mk"
for file in $(cat "${DEPS}/all.c"); do
printf 'Building dependencies from %s\n' "$file"
type=$(classify_source "${file}")
if [ ${type} = EXTERN -o ${type} = TGFN -o ${type} = FUNCTION ]; then
printf '$(OBJDIR)/%s.o: $(SRCDIR)/%s' "$(basename $file .c)" "$file" >> "${TOPDIR}/.deps.mk"
for header in $(grep '#include' "${file}"); do
printf ' \\\n\t$(INCDIR)/%s' "$header" >> "${TOPDIR}/.deps.mk"
done
printf '\n\t$(CC) $(CFLAGS) -c $(SRCDIR)/%s -o $@\n\n' "$file" >> "${TOPDIR}/.deps.mk"
fi
done
}
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