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BEGIN {
duplicates["EV_VERSION"] = 1
duplicates["BTN_MISC"] = 1
duplicates["BTN_MOUSE"] = 1
duplicates["BTN_JOYSTICK"] = 1
duplicates["BTN_GAMEPAD"] = 1
duplicates["BTN_DIGI"] = 1
duplicates["BTN_WHEEL"] = 1
duplicates["BTN_TRIGGER_HAPPY"] = 1
duplicates["SW_MAX"] = 1
duplicates["REP_MAX"] = 1
prefixes[++numprefixes] = "EV"
prefixes[++numprefixes] = "REL"
prefixes[++numprefixes] = "ABS"
prefixes[++numprefixes] = "KEY"
prefixes[++numprefixes] = "BTN"
prefixes[++numprefixes] = "LED"
prefixes[++numprefixes] = "SND"
prefixes[++numprefixes] = "MSC"
prefixes[++numprefixes] = "SW"
prefixes[++numprefixes] = "FF"
prefixes[++numprefixes] = "SYN"
prefixes[++numprefixes] = "REP"
prefixes[++numprefixes] = "INPUT_PROP"
prefixes[++numprefixes] = "MT_TOOL"
code_prefixes[++numcode_prefixes] = "ABS"
code_prefixes[++numcode_prefixes] = "BTN"
code_prefixes[++numcode_prefixes] = "FF"
code_prefixes[++numcode_prefixes] = "KEY"
code_prefixes[++numcode_prefixes] = "LED"
code_prefixes[++numcode_prefixes] = "MSC"
code_prefixes[++numcode_prefixes] = "REL"
code_prefixes[++numcode_prefixes] = "REP"
code_prefixes[++numcode_prefixes] = "SND"
code_prefixes[++numcode_prefixes] = "SW"
code_prefixes[++numcode_prefixes] = "SYN"
addbtns["BTN_A"] = 1
addbtns["BTN_B"] = 1
addbtns["BTN_X"] = 1
addbtns["BTN_Y"] = 1
skip["BTN"] = 1
skip["EV"] = 1
skip["INPUT_PROP"] = 1
skip["MT_TOOL"] = 1
}
function print_bits(prefix) {
printf "static const char * const %s_map[%s_MAX + 1] = {\n", tolower(prefix), prefix
for (j = 1; j <= numbits[prefix]; ++j) {
name = bits[prefix, j]
printf " [%s] = \"%s\",\n", name, name
}
if (prefix == "KEY") {
for (j = 1; j <= numbits["BTN"]; ++j) {
name = bits["BTN", j]
printf " [%s] = \"%s\",\n", name, name
}
}
print "};"
print ""
}
function print_map() {
print "static const char * const * const event_type_map[EV_MAX + 1] = {"
for (i = 1; i <= numprefixes; ++i) {
prefix = prefixes[i]
if (prefix in skip)
continue
printf " [EV_%s] = %s_map,\n", prefix, tolower(prefix)
}
print "};"
print ""
print "#if __clang__"
print "#pragma clang diagnostic push"
print "#pragma clang diagnostic ignored \"-Winitializer-overrides\""
print "#else"
print "#pragma GCC diagnostic push"
print "#pragma GCC diagnostic ignored \"-Woverride-init\""
print "#endif"
print "static const int ev_max[EV_MAX + 1] = {"
print " [0 ... EV_MAX] = -1,"
for (i = 1; i <= numprefixes; ++i) {
prefix = prefixes[i]
if (prefix in skip)
continue
printf " [EV_%s] = %s_MAX,\n", prefix, prefix
}
print "};"
print "#if __clang__"
print "#pragma clang diagnostic pop /* \"-Winitializer-overrides\" */"
print "#else"
print "#pragma GCC diagnostic pop /* \"-Woverride-init\" */"
print "#endif"
print ""
}
function print_lookup_entry(name, sort) {
printf " { .name = \"%s\", .value = %s },\n", name, name | sort
}
function print_lookup(prefix) {
sort = "sort -t '\"' -k 2"
for (j = 1; j <= numbits[prefix]; ++j)
print_lookup_entry(bits[prefix, j], sort)
if (prefix == "BTN") {
for (name in addbtns)
print_lookup_entry(name, sort)
}
maxname = prefix "_MAX"
if (maxname in duplicates)
print_lookup_entry(maxname, sort)
close(sort)
}
function print_lookup_table() {
print "struct name_entry {"
print " const char *name;"
print " unsigned int value;"
print "};"
print ""
print "static const struct name_entry tool_type_names[] = {"
print_lookup("MT_TOOL")
print "};"
print ""
print "static const struct name_entry ev_names[] = {"
print_lookup("EV")
print "};"
print ""
print "static const struct name_entry code_names[] = {"
for (i = 1; i <= numcode_prefixes; ++i)
print_lookup(code_prefixes[i])
print "};"
print ""
print "static const struct name_entry prop_names[] = {"
print_lookup("INPUT_PROP")
print "};"
print ""
}
function print_mapping_table() {
print "/* THIS FILE IS GENERATED, DO NOT EDIT */"
print ""
print "#ifndef EVENT_NAMES_H"
print "#define EVENT_NAMES_H"
print ""
for (i = 1; i <= numprefixes; ++i) {
prefix = prefixes[i]
if (prefix == "BTN")
continue
print_bits(prefix)
}
print_map()
print_lookup_table()
print "#endif /* EVENT_NAMES_H */"
}
/^#define/ {
for (i = 1; i <= numprefixes; ++i) {
prefix = prefixes[i]
if ($3 !~ /^[0-9a-fx]+$/ || substr($2, 1, length(prefix) + 1) != prefix "_")
continue
if ($2 in duplicates)
next
idx = indexes[prefix, $3]
if (!idx) {
idx = ++numbits[prefix]
indexes[prefix, $3] = idx
}
bits[prefix, idx] = $2
}
}
END {
print_mapping_table()
}
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