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|
#!/bin/sh
set -e
cd "${0%/*}/../.."
exec >lib/unicode/prop/uprop_get_gcb.c
gawk '
BEGIN {
FS = "( *#.*| *; +)"
map["Control"] = "CN"
map["CR"] = "CR"
map["E_Base"] = "EB"
map["E_Base_GAZ"] = "EBG"
map["E_Modifier"] = "EM"
map["Extend"] = "EX"
map["Glue_After_Zwj"] = "GAZ"
map["LF"] = "LF"
map["L"] = "L"
map["LV"] = "LV"
map["LVT"] = "LVT"
map["Other"] = "XX"
map["Prepend"] = "PP"
map["Regional_Indicator"] = "RI"
map["SpacingMark"] = "SM"
map["T"] = "T"
map["V"] = "V"
map["ZWJ"] = "ZWJ"
print "/* This file is autogenerated by gen/prop/gcb; 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] = "GCB_" map[$2]
}
}
END {
print "static constexpr enum uprop_gcb lookup_lat1[] = {"
for (i = 0; i < 0x100; i++) {
if (i % 8 == 0)
printf "\t"
printf "%-7s%s", (props[i] ? props[i] : "GCB_XX") ",", \
i % 8 == 7 ? "\n" : " "
}
print "};"
print ""
print "static const struct {"
print "\trune lo, hi;"
print "\tenum uprop_gcb val;"
print "} lookup[] = {"
for (i = 0x100; i <= 0x10FFFF; i++) {
if (!props[i])
continue
for (lo = i; props[lo] == props[i + 1]; i++)
;
printf "\t{RUNE_C(0x%06X), RUNE_C(0x%06X), %s},\n", lo, i, props[i]
}
print "};"
print ""
print "_MLIB_DEFINE_BSEARCH(enum uprop_gcb, lookup, GCB_XX)"
print ""
print "enum uprop_gcb"
print "uprop_get_gcb(rune ch)"
print "{"
print "\treturn ch < lengthof(lookup_lat1) ? lookup_lat1[ch] : mlib_lookup(ch);"
print "}"
}
' data/GraphemeBreakProperty | sed 's/\s*$//'
|
