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#!/bin/bash
set -e
set -u
do_assemble() {
local -r RE_INCLUDE='^#include "([a-z_]+[.]h)"$'
local -r RE_UNDEF='^#undef ([_A-Za-z0-9]+)$'
local -r RE_DEFINE='^#define ([_A-Za-z0-9]+) (.*)$'
local line
while IFS='' read -r line; do
if [[ "${line}" =~ ${RE_INCLUDE} ]]; then
local include_name="${BASH_REMATCH[1]}"
case "${include_name}" in
apf_interpreter.h)
echo "#include \"${BASH_REMATCH[1]}\""
;;
*)
echo "/* Begin include of ${include_name} */"
cat "${include_name}"
echo "/* End include of ${include_name} */"
;;
esac
elif [[ "${line}" =~ ${RE_UNDEF} ]]; then
case "${BASH_REMATCH[1]}" in
bool|true|false) : ;;
*) echo "${line}" ;;
esac
elif [[ "${line}" =~ ${RE_DEFINE} ]]; then
case "${BASH_REMATCH[1]}" in
bool|true|false) : ;;
*) echo "${line}" ;;
esac
else
echo "${line}"
fi
done < apf_interpreter_source.c \
| sed -r \
's@(^|[^:])//(.*)$@\1/*\2 */@;'\
's@(^|[^A-Za-z0-9_])bool([^A-Za-z0-9_]|$)@\1Boolean\2@g;'\
's@(^|[^A-Za-z0-9_])true([^A-Za-z0-9_]|$)@\1True\2@g;'\
's@(^|[^A-Za-z0-9_])false([^A-Za-z0-9_]|$)@\1False\2@g;'
# The above sed converts // comments into /* */ comments for c89,
# and converts bool/true/false into Boolean/True/False
}
do_test() {
diff -q <(do_assemble) apf_interpreter.c
}
main() {
cd "${0%/*}"
local -r me="${0##*/}"
case "${me}" in
apf_interpreter_assemble.sh)
do_assemble > apf_interpreter.c
;;
apf_assemble_test.sh)
do_test
;;
*)
echo "Unknown $0" 1>&2
return 1
;;
esac
}
main "$@"; exit
|
