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#!/bin/sh
set -e
cd "${0%/*}/../.."
exec >lib/unicode/prop/uprop_get_scx.c
gawk '
BEGIN {
FS = " *(; *|#.*)"
print "/* This file is autogenerated by gen/prop/scx; DO NOT EDIT. */"
print ""
print "#include \"_bsearch.h\""
print "#include \"macros.h\""
print "#include \"rune.h\""
print "#include \"unicode/prop.h\""
print ""
print "#define CAST(...) (const enum uprop_sc []){__VA_ARGS__}"
print "#define _(...) {CAST(__VA_ARGS__), lengthof(CAST(__VA_ARGS__))}"
print ""
print "struct uprop_sc_view {"
print "\tconst enum uprop_sc *p;"
print "\tsize_t n;"
print "};"
print ""
print "static constexpr enum uprop_sc fallback[] = {"
print "\tSC_ZZZZ, SC_ADLM, SC_AGHB, SC_AHOM, SC_ARAB, SC_ARMI, SC_ARMN, SC_AVST,"
print "\tSC_BALI, SC_BAMU, SC_BASS, SC_BATK, SC_BENG, SC_BHKS, SC_BOPO, SC_BRAH,"
print "\tSC_BRAI, SC_BUGI, SC_BUHD, SC_CAKM, SC_CANS, SC_CARI, SC_CHAM, SC_CHER,"
print "\tSC_CHRS, SC_COPT, SC_CPMN, SC_CPRT, SC_CYRL, SC_DEVA, SC_DIAK, SC_DOGR,"
print "\tSC_DSRT, SC_DUPL, SC_EGYP, SC_ELBA, SC_ELYM, SC_ETHI, SC_GEOR, SC_GLAG,"
print "\tSC_GONG, SC_GONM, SC_GOTH, SC_GRAN, SC_GREK, SC_GUJR, SC_GURU, SC_HANG,"
print "\tSC_HANI, SC_HANO, SC_HATR, SC_HEBR, SC_HIRA, SC_HLUW, SC_HMNG, SC_HMNP,"
print "\tSC_HRKT, SC_HUNG, SC_ITAL, SC_JAVA, SC_KALI, SC_KANA, SC_KAWI, SC_KHAR,"
print "\tSC_KHMR, SC_KHOJ, SC_KITS, SC_KNDA, SC_KTHI, SC_LANA, SC_LAOO, SC_LATN,"
print "\tSC_LEPC, SC_LIMB, SC_LINA, SC_LINB, SC_LISU, SC_LYCI, SC_LYDI, SC_MAHJ,"
print "\tSC_MAKA, SC_MAND, SC_MANI, SC_MARC, SC_MEDF, SC_MEND, SC_MERC, SC_MERO,"
print "\tSC_MLYM, SC_MODI, SC_MONG, SC_MROO, SC_MTEI, SC_MULT, SC_MYMR, SC_NAGM,"
print "\tSC_NAND, SC_NARB, SC_NBAT, SC_NEWA, SC_NKOO, SC_NSHU, SC_OGAM, SC_OLCK,"
print "\tSC_ORKH, SC_ORYA, SC_OSGE, SC_OSMA, SC_OUGR, SC_PALM, SC_PAUC, SC_PERM,"
print "\tSC_PHAG, SC_PHLI, SC_PHLP, SC_PHNX, SC_PLRD, SC_PRTI, SC_RJNG, SC_ROHG,"
print "\tSC_RUNR, SC_SAMR, SC_SARB, SC_SAUR, SC_SGNW, SC_SHAW, SC_SHRD, SC_SIDD,"
print "\tSC_SIND, SC_SINH, SC_SOGD, SC_SOGO, SC_SORA, SC_SOYO, SC_SUND, SC_SYLO,"
print "\tSC_SYRC, SC_TAGB, SC_TAKR, SC_TALE, SC_TALU, SC_TAML, SC_TANG, SC_TAVT,"
print "\tSC_TELU, SC_TFNG, SC_TGLG, SC_THAA, SC_THAI, SC_TIBT, SC_TIRH, SC_TNSA,"
print "\tSC_TOTO, SC_UGAR, SC_VAII, SC_VITH, SC_WARA, SC_WCHO, SC_XPEO, SC_XSUX,"
print "\tSC_YEZI, SC_YIII, SC_ZANB, SC_ZINH, SC_ZYYY,"
print "};"
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] = $2
}
END {
print "static const struct {"
print "\trune lo, hi;"
print "\tstruct uprop_sc_view 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), _(", lo, i
split(props[i], xs, / /)
for (j in xs) {
printf "SC_%s", toupper(xs[j])
if (j < length(xs))
printf ", "
}
printf ")},\n"
}
print "};"
print ""
print "_MLIB_DEFINE_BSEARCH(struct uprop_sc_view, lookup, ((struct uprop_sc_view){"
print "\t.p = fallback + uprop_get_sc(ch),"
print "\t.n = 1,"
print "}))"
print ""
print "const enum uprop_sc *"
print "uprop_get_scx(rune ch, size_t *n)"
print "{"
print "\tstruct uprop_sc_view v = mlib_lookup(ch);"
print "\t*n = v.n;"
print "\treturn v.p;"
print "}"
}
' data/ScriptExtensions
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