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#!/bin/sh
set -e
cd "${0%/*}/../.."
exec >lib/unicode/prop/uprop_get_jg.c
gawk '
BEGIN {
FS = "[ ;]+"
print "/* This file is autogenerated by gen/prop/jg; DO NOT EDIT. */"
print ""
print "#include \"_bsearch.h\""
print "#include \"rune.h\""
print "#include \"unicode/prop.h\""
print ""
}
/^[A-F0-9]/ {
n = split($1, a, /\.\./)
lo = strtonum("0X" a[1])
hi = strtonum("0X" a[n])
for (i = lo; i <= hi; i++)
props[i] = "JG_" toupper($2)
}
END {
print "static const struct {"
print "\trune lo, hi;"
print "\tenum uprop_jg val;"
print "} lookup[] = {"
for (i = 0; i <= 0x10FFFF; i++) {
if (!props[i])
continue
for (lo = i; props[lo] == props[i + 1]; i++)
;
printf "\t{RUNE_C(0x%06X), RUNE_C(0x%06X), %s},\n", lo, i, props[i]
}
print "};"
print ""
print "_MLIB_DEFINE_BSEARCH(enum uprop_jg, lookup, JG_NO_JOINING_GROUP)"
print ""
print "enum uprop_jg"
print "uprop_get_jg(rune ch)"
print "{"
print "\treturn ch < lookup[0].lo ? JG_NO_JOINING_GROUP : mlib_lookup(ch);"
print "}"
}
' data/DerivedJoiningGroup | sed 's/\s*$//'
|
