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#!/bin/sh
set -e
cd "${0%/*}/../.."
exec >lib/unicode/prop/uprop_get_bpb.c
gawk '
BEGIN {
FS = " *(; *|#.*)"
print "/* This file is autogenerated by gen/prop/bpb; DO NOT EDIT. */"
print ""
print "#include \"__bsearch.h\""
print "#include \"macros.h\""
print "#include \"rune.h\""
print "#include \"unicode/prop.h\""
print ""
}
/^[^#]/ {
props[strtonum("0X" $1)] = strtonum("0X" $2)
}
END {
print "static constexpr rune lookup_lat1[] = {"
for (i = 0; i < 0x100; i++) {
if (i % 8 == 0)
printf "\t"
printf "0x%02X,%s", props[i] ? props[i] : 0, i % 8 == 7 ? "\n" : " "
}
print "};"
print ""
print "static const struct {"
print "\trune k, v;"
print "} lookup[] = {"
for (i = 0x100; i <= 0x10FFFF; i++) {
if (props[i])
printf "\t{RUNE_C(0x%06X), RUNE_C(0x%06X)},\n", i, props[i]
}
print "};"
print ""
print "__MLIB_DEFINE_BSEARCH_KV(rune, lookup, 0)"
print ""
print "rune"
print "uprop_get_bpb(rune ch)"
print "{"
print "\treturn ch < lengthof(lookup_lat1) ? lookup_lat1[ch] : mlib_lookup_kv(ch);"
print "}"
}
' data/BidiBrackets.txt
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