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|
#!/bin/sh
set -e
cd "${0%/*}/../.."
exec >lib/unicode/prop/uprop_get_wb.c
gawk '
BEGIN {
FS = " *(; *|#.*)"
map["ALetter"] = "LE"
map["CR"] = "CR"
map["Double_Quote"] = "DQ"
map["E_Base"] = "EB"
map["E_Base_GAZ"] = "EBG"
map["E_Modifier"] = "EM"
map["Extend"] = "EXTEND"
map["ExtendNumLet"] = "EX"
map["Format"] = "FO"
map["Glue_After_Zwj"] = "GAZ"
map["Hebrew_Letter"] = "HL"
map["Katakana"] = "KA"
map["LF"] = "LF"
map["MidLetter"] = "ML"
map["MidNumLet"] = "MB"
map["MidNum"] = "MN"
map["Newline"] = "NL"
map["Numeric"] = "NU"
map["Other"] = "XX"
map["Regional_Indicator"] = "RI"
map["Single_Quote"] = "SQ"
map["WSegSpace"] = "WSEGSPACE"
map["ZWJ"] = "ZWJ"
print "/* This file is autogenerated by gen/prop/wb; DO NOT EDIT. */"
print ""
print "#include \"_bsearch.h\""
print "#include \"macros.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] = "WB_" map[$2]
}
END {
print "static constexpr enum uprop_wb lookup_lat1[] = {"
for (i = 0; i < 0x100; i++) {
if (i % 4 == 0)
printf "\t"
printf "%-13s%s", (props[i] ? props[i] : "WB_XX") ",", \
i % 4 == 3 ? "\n" : " "
}
print "};"
print ""
print "static const struct {"
print "\trune lo, hi;"
print "\tenum uprop_wb val;"
print "} lookup[] = {"
for (i = 0x100; i <= 0x10FFFF; i++) {
if (!props[i])
continue
for (lo = i; props[lo] == props[i + 1]; i++)
;
printf "\t{RUNE_C(0x%06X), RUNE_C(0x%06X), %s},\n", lo, i, props[i]
}
print "};"
print ""
print "_MLIB_DEFINE_BSEARCH(enum uprop_wb, lookup, WB_XX)"
print ""
print "enum uprop_wb"
print "uprop_get_wb(rune ch)"
print "{"
print "\treturn ch < lengthof(lookup_lat1) ? lookup_lat1[ch] : mlib_lookup(ch);"
print "}"
}
' data/WordBreakProperty | sed 's/\s*$//'
|
