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#!/bin/sh
set -e
cd "${0%/*}/../.."
exec >lib/unicode/prop/uprop_get_bc.c
gawk '
BEGIN {
FS = " *(; *|#.*)"
print "/* This file is autogenerated by gen/prop/bc; DO NOT EDIT. */"
print ""
print "#include \"__bsearch.h\""
print "#include \"macros.h\""
print "#include \"rune.h\""
print "#include \"unicode/prop.h\""
print ""
}
/^[^#]/ {
n = split($1, a, /\.\./)
lo = strtonum("0X" a[1])
hi = strtonum("0X" a[n])
for (i = lo; i <= hi; i++) {
gsub(/^; /, "", $2)
props[i] = "BC_" $2
}
}
END {
print "static constexpr enum uprop_bc lookup_lat1[] = {"
for (i = 0; i < 0x100; i++) {
if (i % 8 == 0)
printf "\t"
printf "%-6s%s", (props[i] ? props[i] : "BC_L") ",", \
i % 8 == 7 ? "\n" : " "
}
print "};"
print ""
print "static const struct {"
print "\trune lo, hi;"
print "\tenum uprop_bc val;"
print "} lookup[] = {"
for (i = 0x100; i <= 0x10FFFF; i++) {
if (!props[i])
continue
lo = i
while (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_bc, lookup, BC_L)"
print ""
print "enum uprop_bc"
print "uprop_get_bc(rune ch)"
print "{"
print "\treturn ch < lengthof(lookup_lat1) ? lookup_lat1[ch] : mlib_lookup(ch);"
print "}"
}
' data/DerivedBidiClass
|
