forked from Mirrors/opensbi
39532d11e9
The shell script makes multiple call-outs to awk to get information from the configuration file. It would be easier to just write the whole thing in one .awk script and have the makefile altered to call that instead. There should be no functional difference other than the script type and has been tested with PLATFORM=generic build. This should be both quicker and easier to understand. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Reviewed-by: Anup Patel <anup@brainfault.org>
153 lines
3.1 KiB
Bash
Executable File
153 lines
3.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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function usage()
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{
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cat <<EOF >&2
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Usage: $0 [options]
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Options:
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-h Display help or usage
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-i <input_config> Input config file
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-l <variable_list> List of variables in the array (Optional)
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EOF
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exit 1;
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}
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# Command line options
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CONFIG_FILE=""
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VAR_LIST=""
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while getopts "hi:l:" o; do
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case "${o}" in
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h)
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usage
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;;
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i)
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CONFIG_FILE=${OPTARG}
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;;
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l)
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VAR_LIST=${OPTARG}
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;;
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*)
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usage
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;;
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esac
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done
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shift $((OPTIND-1))
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if [ -z "${CONFIG_FILE}" ]; then
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echo "Must specify input config file"
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usage
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fi
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if [ ! -f "${CONFIG_FILE}" ]; then
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echo "The input config file should be a present"
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usage
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fi
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# use single awk script to run conversion, but leave in .sh file as awk is
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# bad for getopt, and leaves the original script name alone.
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awk -v"CONFIG_FILE=${CONFIG_FILE}" -v "SCRIPT_NAME=`basename $0`" -v"VARLIST=${VAR_LIST}" '
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function array_length(a)
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{
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result = 0
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for (i in a)
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result++
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return result
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}
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function get_fields(start, end)
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{
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result = $start;
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for (nr = start+1; nr <= end; nr++) {
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result = result " " $nr
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}
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return result;
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}
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BEGIN {
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split(VARLIST,VAR_LIST," ")
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}
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# process items from the config file
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/^HEADER:/ { TYPE_HEADER = $2 }
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/^TYPE:/ { TYPE_NAME = get_fields(2, NF); }
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/^NAME:/ { ARRAY_NAME = $2}
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/^MEMBER-NAME:/ { MEMBER_NAME = $2 }
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/^MEMBER-TYPE:/ { MEMBER_TYPE = get_fields(2, NF); }
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# code to dump the generated .c file once config file is processed
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END {
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# enable for debug
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if (length(ENVIRON["CARRAY_DEBUG"]) > 0) {
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print "ARRAY_NAME " ARRAY_NAME > "/dev/stderr"
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print "TYPE_HEADER " TYPE_HEADER > "/dev/stderr"
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print "TYPE_NAME " TYPE_NAME > "/dev/stderr"
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print "VAR_LIST length is " array_length(VAR_LIST) > "/dev/stderr"
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for (v in VAR_LIST) {
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print "VAR_LIST " v " = " VAR_LIST[v] > "/dev/stderr"
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}
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}
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if (array_length(VAR_LIST) == 0) {
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print "Warning; no VAR list on command line" > "/dev/stderr"
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}
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if (length(ARRAY_NAME) == 0) {
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print "Must specify NAME: in input config file" > "/dev/stderr"
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exit 1
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}
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if (length(TYPE_NAME) == 0) {
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print "Must specify TYPE: in input config file" > "/dev/stderr"
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exit 1
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}
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if (length(TYPE_HEADER) == 0) {
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print "Must specify HEADER: in input config file" > "/dev/stderr"
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exit 1
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}
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if (length(MEMBER_NAME) > 0 && length(MEMBER_TYPE) == 0) {
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print "Must specify MEMBER-TYPE: when using MEMBER-NAME:" > "/dev/stderr"
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exit 1
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}
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printf "// Generated with %s from %s\n", SCRIPT_NAME, CONFIG_FILE
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printf "// DO NOT EDIT THIS FILE DIRECTLY\n"
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printf "\n"
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printf("#include <%s>\n\n", TYPE_HEADER)
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for (v in VAR_LIST) {
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printf("extern %s %s;\n", TYPE_NAME, VAR_LIST[v])
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}
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print ""
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if (length(MEMBER_TYPE) > 0) {
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TYPE_NAME = MEMBER_TYPE;
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}
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if (length(MEMBER_NAME) > 0) {
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VAR_SUFFIX = "." MEMBER_NAME;
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} else {
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VAR_SUFFIX = ""
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}
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printf("%s *const %s[] = {\n", TYPE_NAME, ARRAY_NAME)
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for (v in VAR_LIST) {
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printf("\t&%s%s,\n", VAR_LIST[v], VAR_SUFFIX)
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}
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printf("\tNULL\n");
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printf("};\n");
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}
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' < ${CONFIG_FILE} || usage
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