Add uprop_get_blk()

2 files changed, 396 insertions, 0 deletions

diff --git a/gen/data-files b/gen/data-files
index 801f591..b2c4197 100755
--- a/gen/data-files
+++ b/gen/data-files
@@ -9,6 +9,7 @@ readonly BASE=https://www.unicode.org/Public/UCD/latest/ucd
 readonly PATHS='
 auxiliary/GraphemeBreakProperty
 BidiBrackets
+Blocks
 DerivedAge
 DerivedCoreProperties
 DerivedNormalizationProps
diff --git a/gen/prop/blk b/gen/prop/blk
new file mode 100755
index 0000000..574f5af
--- /dev/null
+++ b/gen/prop/blk
@@ -0,0 +1,395 @@
+#!/bin/sh
+
+set -e
+cd "${0%/*}/../.."
+exec >lib/unicode/prop/uprop_get_blk.c
+
+gawk '
+BEGIN {
+	FS = " *(; *|#.*)"
+
+	map["adlam"]                                            = "ADLAM"
+	map["aegean_numbers"]                                   = "AEGEAN_NUMBERS"
+	map["ahom"]                                             = "AHOM"
+	map["alchemical_symbols"]                               = "ALCHEMICAL"
+	map["alphabetic_presentation_forms"]                    = "ALPHABETIC_PF"
+	map["anatolian_hieroglyphs"]                            = "ANATOLIAN_HIEROGLYPHS"
+	map["ancient_greek_musical_notation"]                   = "ANCIENT_GREEK_MUSIC"
+	map["ancient_greek_numbers"]                            = "ANCIENT_GREEK_NUMBERS"
+	map["ancient_symbols"]                                  = "ANCIENT_SYMBOLS"
+	map["arabic"]                                           = "ARABIC"
+	map["arabic_extended_a"]                                = "ARABIC_EXT_A"
+	map["arabic_extended_b"]                                = "ARABIC_EXT_B"
+	map["arabic_extended_c"]                                = "ARABIC_EXT_C"
+	map["arabic_mathematical_alphabetic_symbols"]           = "ARABIC_MATH"
+	map["arabic_presentation_forms_a"]                      = "ARABIC_PF_A"
+	map["arabic_presentation_forms_b"]                      = "ARABIC_PF_B"
+	map["arabic_supplement"]                                = "ARABIC_SUP"
+	map["armenian"]                                         = "ARMENIAN"
+	map["arrows"]                                           = "ARROWS"
+	map["avestan"]                                          = "AVESTAN"
+	map["balinese"]                                         = "BALINESE"
+	map["bamum"]                                            = "BAMUM"
+	map["bamum_supplement"]                                 = "BAMUM_SUP"
+	map["basic_latin"]                                      = "ASCII"
+	map["bassa_vah"]                                        = "BASSA_VAH"
+	map["batak"]                                            = "BATAK"
+	map["bengali"]                                          = "BENGALI"
+	map["bhaiksuki"]                                        = "BHAIKSUKI"
+	map["block_elements"]                                   = "BLOCK_ELEMENTS"
+	map["bopomofo"]                                         = "BOPOMOFO"
+	map["bopomofo_extended"]                                = "BOPOMOFO_EXT"
+	map["box_drawing"]                                      = "BOX_DRAWING"
+	map["brahmi"]                                           = "BRAHMI"
+	map["braille_patterns"]                                 = "BRAILLE"
+	map["buginese"]                                         = "BUGINESE"
+	map["buhid"]                                            = "BUHID"
+	map["byzantine_musical_symbols"]                        = "BYZANTINE_MUSIC"
+	map["carian"]                                           = "CARIAN"
+	map["caucasian_albanian"]                               = "CAUCASIAN_ALBANIAN"
+	map["chakma"]                                           = "CHAKMA"
+	map["cham"]                                             = "CHAM"
+	map["cherokee"]                                         = "CHEROKEE"
+	map["cherokee_supplement"]                              = "CHEROKEE_SUP"
+	map["chess_symbols"]                                    = "CHESS_SYMBOLS"
+	map["chorasmian"]                                       = "CHORASMIAN"
+	map["cjk_compatibility"]                                = "CJK_COMPAT"
+	map["cjk_compatibility_forms"]                          = "CJK_COMPAT_FORMS"
+	map["cjk_compatibility_ideographs"]                     = "CJK_COMPAT_IDEOGRAPHS"
+	map["cjk_compatibility_ideographs_supplement"]          = "CJK_COMPAT_IDEOGRAPHS_SUP"
+	map["cjk_radicals_supplement"]                          = "CJK_RADICALS_SUP"
+	map["cjk_strokes"]                                      = "CJK_STROKES"
+	map["cjk_symbols_and_punctuation"]                      = "CJK_SYMBOLS"
+	map["cjk_unified_ideographs"]                           = "CJK"
+	map["cjk_unified_ideographs_extension_a"]               = "CJK_EXT_A"
+	map["cjk_unified_ideographs_extension_b"]               = "CJK_EXT_B"
+	map["cjk_unified_ideographs_extension_c"]               = "CJK_EXT_C"
+	map["cjk_unified_ideographs_extension_d"]               = "CJK_EXT_D"
+	map["cjk_unified_ideographs_extension_e"]               = "CJK_EXT_E"
+	map["cjk_unified_ideographs_extension_f"]               = "CJK_EXT_F"
+	map["cjk_unified_ideographs_extension_g"]               = "CJK_EXT_G"
+	map["cjk_unified_ideographs_extension_h"]               = "CJK_EXT_H"
+	map["cjk_unified_ideographs_extension_i"]               = "CJK_EXT_I"
+	map["combining_diacritical_marks"]                      = "DIACRITICALS"
+	map["combining_diacritical_marks_extended"]             = "DIACRITICALS_EXT"
+	map["combining_diacritical_marks_for_symbols"]          = "DIACRITICALS_FOR_SYMBOLS"
+	map["combining_diacritical_marks_supplement"]           = "DIACRITICALS_SUP"
+	map["combining_half_marks"]                             = "HALF_MARKS"
+	map["common_indic_number_forms"]                        = "INDIC_NUMBER_FORMS"
+	map["control_pictures"]                                 = "CONTROL_PICTURES"
+	map["coptic"]                                           = "COPTIC"
+	map["coptic_epact_numbers"]                             = "COPTIC_EPACT_NUMBERS"
+	map["counting_rod_numerals"]                            = "COUNTING_ROD"
+	map["cuneiform"]                                        = "CUNEIFORM"
+	map["cuneiform_numbers_and_punctuation"]                = "CUNEIFORM_NUMBERS"
+	map["currency_symbols"]                                 = "CURRENCY_SYMBOLS"
+	map["cypriot_syllabary"]                                = "CYPRIOT_SYLLABARY"
+	map["cypro_minoan"]                                     = "CYPRO_MINOAN"
+	map["cyrillic"]                                         = "CYRILLIC"
+	map["cyrillic_extended_a"]                              = "CYRILLIC_EXT_A"
+	map["cyrillic_extended_b"]                              = "CYRILLIC_EXT_B"
+	map["cyrillic_extended_c"]                              = "CYRILLIC_EXT_C"
+	map["cyrillic_extended_d"]                              = "CYRILLIC_EXT_D"
+	map["cyrillic_supplement"]                              = "CYRILLIC_SUP"
+	map["deseret"]                                          = "DESERET"
+	map["devanagari"]                                       = "DEVANAGARI"
+	map["devanagari_extended_a"]                            = "DEVANAGARI_EXT_A"
+	map["devanagari_extended"]                              = "DEVANAGARI_EXT"
+	map["dingbats"]                                         = "DINGBATS"
+	map["dives_akuru"]                                      = "DIVES_AKURU"
+	map["dogra"]                                            = "DOGRA"
+	map["domino_tiles"]                                     = "DOMINO"
+	map["duployan"]                                         = "DUPLOYAN"
+	map["early_dynastic_cuneiform"]                         = "EARLY_DYNASTIC_CUNEIFORM"
+	map["egyptian_hieroglyph_format_controls"]              = "EGYPTIAN_HIEROGLYPH_FORMAT_CONTROLS"
+	map["egyptian_hieroglyphs"]                             = "EGYPTIAN_HIEROGLYPHS"
+	map["elbasan"]                                          = "ELBASAN"
+	map["elymaic"]                                          = "ELYMAIC"
+	map["emoticons"]                                        = "EMOTICONS"
+	map["enclosed_alphanumerics"]                           = "ENCLOSED_ALPHANUM"
+	map["enclosed_alphanumeric_supplement"]                 = "ENCLOSED_ALPHANUM_SUP"
+	map["enclosed_cjk_letters_and_months"]                  = "ENCLOSED_CJK"
+	map["enclosed_ideographic_supplement"]                  = "ENCLOSED_IDEOGRAPHIC_SUP"
+	map["ethiopic"]                                         = "ETHIOPIC"
+	map["ethiopic_extended_a"]                              = "ETHIOPIC_EXT_A"
+	map["ethiopic_extended_b"]                              = "ETHIOPIC_EXT_B"
+	map["ethiopic_extended"]                                = "ETHIOPIC_EXT"
+	map["ethiopic_supplement"]                              = "ETHIOPIC_SUP"
+	map["general_punctuation"]                              = "PUNCTUATION"
+	map["geometric_shapes_extended"]                        = "GEOMETRIC_SHAPES_EXT"
+	map["geometric_shapes"]                                 = "GEOMETRIC_SHAPES"
+	map["georgian_extended"]                                = "GEORGIAN_EXT"
+	map["georgian"]                                         = "GEORGIAN"
+	map["georgian_supplement"]                              = "GEORGIAN_SUP"
+	map["glagolitic"]                                       = "GLAGOLITIC"
+	map["glagolitic_supplement"]                            = "GLAGOLITIC_SUP"
+	map["gothic"]                                           = "GOTHIC"
+	map["grantha"]                                          = "GRANTHA"
+	map["greek_and_coptic"]                                 = "GREEK"
+	map["greek_extended"]                                   = "GREEK_EXT"
+	map["gujarati"]                                         = "GUJARATI"
+	map["gunjala_gondi"]                                    = "GUNJALA_GONDI"
+	map["gurmukhi"]                                         = "GURMUKHI"
+	map["halfwidth_and_fullwidth_forms"]                    = "HALF_AND_FULL_FORMS"
+	map["hangul_compatibility_jamo"]                        = "COMPAT_JAMO"
+	map["hangul_jamo_extended_a"]                           = "JAMO_EXT_A"
+	map["hangul_jamo_extended_b"]                           = "JAMO_EXT_B"
+	map["hangul_jamo"]                                      = "JAMO"
+	map["hangul_syllables"]                                 = "HANGUL"
+	map["hanifi_rohingya"]                                  = "HANIFI_ROHINGYA"
+	map["hanunoo"]                                          = "HANUNOO"
+	map["hatran"]                                           = "HATRAN"
+	map["hebrew"]                                           = "HEBREW"
+	map["high_private_use_surrogates"]                      = "HIGH_PU_SURROGATES"
+	map["high_surrogates"]                                  = "HIGH_SURROGATES"
+	map["hiragana"]                                         = "HIRAGANA"
+	map["ideographic_description_characters"]               = "IDC"
+	map["ideographic_symbols_and_punctuation"]              = "IDEOGRAPHIC_SYMBOLS"
+	map["imperial_aramaic"]                                 = "IMPERIAL_ARAMAIC"
+	map["indic_siyaq_numbers"]                              = "INDIC_SIYAQ_NUMBERS"
+	map["inscriptional_pahlavi"]                            = "INSCRIPTIONAL_PAHLAVI"
+	map["inscriptional_parthian"]                           = "INSCRIPTIONAL_PARTHIAN"
+	map["ipa_extensions"]                                   = "IPA_EXT"
+	map["javanese"]                                         = "JAVANESE"
+	map["kaithi"]                                           = "KAITHI"
+	map["kaktovik_numerals"]                                = "KAKTOVIK_NUMERALS"
+	map["kana_extended_a"]                                  = "KANA_EXT_A"
+	map["kana_extended_b"]                                  = "KANA_EXT_B"
+	map["kana_supplement"]                                  = "KANA_SUP"
+	map["kanbun"]                                           = "KANBUN"
+	map["kangxi_radicals"]                                  = "KANGXI"
+	map["kannada"]                                          = "KANNADA"
+	map["katakana"]                                         = "KATAKANA"
+	map["katakana_phonetic_extensions"]                     = "KATAKANA_EXT"
+	map["kawi"]                                             = "KAWI"
+	map["kayah_li"]                                         = "KAYAH_LI"
+	map["kharoshthi"]                                       = "KHAROSHTHI"
+	map["khitan_small_script"]                              = "KHITAN_SMALL_SCRIPT"
+	map["khmer"]                                            = "KHMER"
+	map["khmer_symbols"]                                    = "KHMER_SYMBOLS"
+	map["khojki"]                                           = "KHOJKI"
+	map["khudawadi"]                                        = "KHUDAWADI"
+	map["lao"]                                              = "LAO"
+	map["latin_1_supplement"]                               = "LATIN_1_SUP"
+	map["latin_extended_additional"]                        = "LATIN_EXT_ADDITIONAL"
+	map["latin_extended_a"]                                 = "LATIN_EXT_A"
+	map["latin_extended_b"]                                 = "LATIN_EXT_B"
+	map["latin_extended_c"]                                 = "LATIN_EXT_C"
+	map["latin_extended_d"]                                 = "LATIN_EXT_D"
+	map["latin_extended_e"]                                 = "LATIN_EXT_E"
+	map["latin_extended_f"]                                 = "LATIN_EXT_F"
+	map["latin_extended_g"]                                 = "LATIN_EXT_G"
+	map["lepcha"]                                           = "LEPCHA"
+	map["letterlike_symbols"]                               = "LETTERLIKE_SYMBOLS"
+	map["limbu"]                                            = "LIMBU"
+	map["linear_a"]                                         = "LINEAR_A"
+	map["linear_b_ideograms"]                               = "LINEAR_B_IDEOGRAMS"
+	map["linear_b_syllabary"]                               = "LINEAR_B_SYLLABARY"
+	map["lisu"]                                             = "LISU"
+	map["lisu_supplement"]                                  = "LISU_SUP"
+	map["low_surrogates"]                                   = "LOW_SURROGATES"
+	map["lycian"]                                           = "LYCIAN"
+	map["lydian"]                                           = "LYDIAN"
+	map["mahajani"]                                         = "MAHAJANI"
+	map["mahjong_tiles"]                                    = "MAHJONG"
+	map["makasar"]                                          = "MAKASAR"
+	map["malayalam"]                                        = "MALAYALAM"
+	map["mandaic"]                                          = "MANDAIC"
+	map["manichaean"]                                       = "MANICHAEAN"
+	map["marchen"]                                          = "MARCHEN"
+	map["masaram_gondi"]                                    = "MASARAM_GONDI"
+	map["mathematical_alphanumeric_symbols"]                = "MATH_ALPHANUM"
+	map["mathematical_operators"]                           = "MATH_OPERATORS"
+	map["mayan_numerals"]                                   = "MAYAN_NUMERALS"
+	map["medefaidrin"]                                      = "MEDEFAIDRIN"
+	map["meetei_mayek_extensions"]                          = "MEETEI_MAYEK_EXT"
+	map["meetei_mayek"]                                     = "MEETEI_MAYEK"
+	map["mende_kikakui"]                                    = "MENDE_KIKAKUI"
+	map["meroitic_cursive"]                                 = "MEROITIC_CURSIVE"
+	map["meroitic_hieroglyphs"]                             = "MEROITIC_HIEROGLYPHS"
+	map["miao"]                                             = "MIAO"
+	map["miscellaneous_mathematical_symbols_a"]             = "MISC_MATH_SYMBOLS_A"
+	map["miscellaneous_mathematical_symbols_b"]             = "MISC_MATH_SYMBOLS_B"
+	map["miscellaneous_symbols_and_arrows"]                 = "MISC_ARROWS"
+	map["miscellaneous_symbols_and_pictographs"]            = "MISC_PICTOGRAPHS"
+	map["miscellaneous_symbols"]                            = "MISC_SYMBOLS"
+	map["miscellaneous_technical"]                          = "MISC_TECHNICAL"
+	map["modifier_tone_letters"]                            = "MODIFIER_TONE_LETTERS"
+	map["modi"]                                             = "MODI"
+	map["mongolian"]                                        = "MONGOLIAN"
+	map["mongolian_supplement"]                             = "MONGOLIAN_SUP"
+	map["mro"]                                              = "MRO"
+	map["multani"]                                          = "MULTANI"
+	map["musical_symbols"]                                  = "MUSIC"
+	map["myanmar_extended_a"]                               = "MYANMAR_EXT_A"
+	map["myanmar_extended_b"]                               = "MYANMAR_EXT_B"
+	map["myanmar"]                                          = "MYANMAR"
+	map["nabataean"]                                        = "NABATAEAN"
+	map["nag_mundari"]                                      = "NAG_MUNDARI"
+	map["nandinagari"]                                      = "NANDINAGARI"
+	map["newa"]                                             = "NEWA"
+	map["new_tai_lue"]                                      = "NEW_TAI_LUE"
+	map["nko"]                                              = "NKO"
+	map["number_forms"]                                     = "NUMBER_FORMS"
+	map["nushu"]                                            = "NUSHU"
+	map["nyiakeng_puachue_hmong"]                           = "NYIAKENG_PUACHUE_HMONG"
+	map["ogham"]                                            = "OGHAM"
+	map["ol_chiki"]                                         = "OL_CHIKI"
+	map["old_hungarian"]                                    = "OLD_HUNGARIAN"
+	map["old_italic"]                                       = "OLD_ITALIC"
+	map["old_north_arabian"]                                = "OLD_NORTH_ARABIAN"
+	map["old_permic"]                                       = "OLD_PERMIC"
+	map["old_persian"]                                      = "OLD_PERSIAN"
+	map["old_sogdian"]                                      = "OLD_SOGDIAN"
+	map["old_south_arabian"]                                = "OLD_SOUTH_ARABIAN"
+	map["old_turkic"]                                       = "OLD_TURKIC"
+	map["old_uyghur"]                                       = "OLD_UYGHUR"
+	map["optical_character_recognition"]                    = "OCR"
+	map["oriya"]                                            = "ORIYA"
+	map["ornamental_dingbats"]                              = "ORNAMENTAL_DINGBATS"
+	map["osage"]                                            = "OSAGE"
+	map["osmanya"]                                          = "OSMANYA"
+	map["ottoman_siyaq_numbers"]                            = "OTTOMAN_SIYAQ_NUMBERS"
+	map["pahawh_hmong"]                                     = "PAHAWH_HMONG"
+	map["palmyrene"]                                        = "PALMYRENE"
+	map["pau_cin_hau"]                                      = "PAU_CIN_HAU"
+	map["phags_pa"]                                         = "PHAGS_PA"
+	map["phaistos_disc"]                                    = "PHAISTOS"
+	map["phoenician"]                                       = "PHOENICIAN"
+	map["phonetic_extensions"]                              = "PHONETIC_EXT"
+	map["phonetic_extensions_supplement"]                   = "PHONETIC_EXT_SUP"
+	map["playing_cards"]                                    = "PLAYING_CARDS"
+	map["private_use_area"]                                 = "PUA"
+	map["psalter_pahlavi"]                                  = "PSALTER_PAHLAVI"
+	map["rejang"]                                           = "REJANG"
+	map["rumi_numeral_symbols"]                             = "RUMI"
+	map["runic"]                                            = "RUNIC"
+	map["samaritan"]                                        = "SAMARITAN"
+	map["saurashtra"]                                       = "SAURASHTRA"
+	map["sharada"]                                          = "SHARADA"
+	map["shavian"]                                          = "SHAVIAN"
+	map["shorthand_format_controls"]                        = "SHORTHAND_FORMAT_CONTROLS"
+	map["siddham"]                                          = "SIDDHAM"
+	map["sinhala_archaic_numbers"]                          = "SINHALA_ARCHAIC_NUMBERS"
+	map["sinhala"]                                          = "SINHALA"
+	map["small_form_variants"]                              = "SMALL_FORMS"
+	map["small_kana_extension"]                             = "SMALL_KANA_EXT"
+	map["sogdian"]                                          = "SOGDIAN"
+	map["sora_sompeng"]                                     = "SORA_SOMPENG"
+	map["soyombo"]                                          = "SOYOMBO"
+	map["spacing_modifier_letters"]                         = "MODIFIER_LETTERS"
+	map["specials"]                                         = "SPECIALS"
+	map["sundanese"]                                        = "SUNDANESE"
+	map["sundanese_supplement"]                             = "SUNDANESE_SUP"
+	map["superscripts_and_subscripts"]                      = "SUPER_AND_SUB"
+	map["supplemental_arrows_a"]                            = "SUP_ARROWS_A"
+	map["supplemental_arrows_b"]                            = "SUP_ARROWS_B"
+	map["supplemental_arrows_c"]                            = "SUP_ARROWS_C"
+	map["supplemental_mathematical_operators"]              = "SUP_MATH_OPERATORS"
+	map["supplemental_punctuation"]                         = "SUP_PUNCTUATION"
+	map["supplemental_symbols_and_pictographs"]             = "SUP_SYMBOLS_AND_PICTOGRAPHS"
+	map["supplementary_private_use_area_a"]                 = "SUP_PUA_A"
+	map["supplementary_private_use_area_b"]                 = "SUP_PUA_B"
+	map["sutton_signwriting"]                               = "SUTTON_SIGNWRITING"
+	map["syloti_nagri"]                                     = "SYLOTI_NAGRI"
+	map["symbols_and_pictographs_extended_a"]               = "SYMBOLS_AND_PICTOGRAPHS_EXT_A"
+	map["symbols_for_legacy_computing"]                     = "SYMBOLS_FOR_LEGACY_COMPUTING"
+	map["syriac_supplement"]                                = "SYRIAC_SUP"
+	map["syriac"]                                           = "SYRIAC"
+	map["tagalog"]                                          = "TAGALOG"
+	map["tagbanwa"]                                         = "TAGBANWA"
+	map["tags"]                                             = "TAGS"
+	map["tai_le"]                                           = "TAI_LE"
+	map["tai_tham"]                                         = "TAI_THAM"
+	map["tai_viet"]                                         = "TAI_VIET"
+	map["tai_xuan_jing_symbols"]                            = "TAI_XUAN_JING"
+	map["takri"]                                            = "TAKRI"
+	map["tamil_supplement"]                                 = "TAMIL_SUP"
+	map["tamil"]                                            = "TAMIL"
+	map["tangsa"]                                           = "TANGSA"
+	map["tangut_components"]                                = "TANGUT_COMPONENTS"
+	map["tangut_supplement"]                                = "TANGUT_SUP"
+	map["tangut"]                                           = "TANGUT"
+	map["telugu"]                                           = "TELUGU"
+	map["thaana"]                                           = "THAANA"
+	map["thai"]                                             = "THAI"
+	map["tibetan"]                                          = "TIBETAN"
+	map["tifinagh"]                                         = "TIFINAGH"
+	map["tirhuta"]                                          = "TIRHUTA"
+	map["toto"]                                             = "TOTO"
+	map["transport_and_map_symbols"]                        = "TRANSPORT_AND_MAP"
+	map["ugaritic"]                                         = "UGARITIC"
+	map["unified_canadian_aboriginal_syllabics_extended_a"] = "UCAS_EXT_A"
+	map["unified_canadian_aboriginal_syllabics_extended"]   = "UCAS_EXT"
+	map["unified_canadian_aboriginal_syllabics"]            = "UCAS"
+	map["vai"]                                              = "VAI"
+	map["variation_selectors_supplement"]                   = "VS_SUP"
+	map["variation_selectors"]                              = "VS"
+	map["vedic_extensions"]                                 = "VEDIC_EXT"
+	map["vertical_forms"]                                   = "VERTICAL_FORMS"
+	map["vithkuqi"]                                         = "VITHKUQI"
+	map["wancho"]                                           = "WANCHO"
+	map["warang_citi"]                                      = "WARANG_CITI"
+	map["yezidi"]                                           = "YEZIDI"
+	map["yijing_hexagram_symbols"]                          = "YIJING"
+	map["yi_radicals"]                                      = "YI_RADICALS"
+	map["yi_syllables"]                                     = "YI_SYLLABLES"
+	map["zanabazar_square"]                                 = "ZANABAZAR_SQUARE"
+	map["znamenny_musical_notation"]                        = "ZNAMENNY_MUSIC"
+
+	print "/* This file is autogenerated by gen/prop/blk; 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)
+		gsub(/[- ]/, "_", $2)
+		props[i] = "BLK_" map[tolower($2)]
+	}
+}
+
+END {
+	print "static constexpr enum uprop_blk lookup_lat1[] = {"
+	for (i = 0; i < 0x100; i++) {
+		if (i % 8 == 0)
+			printf "\t"
+		printf "%-15s,%s", props[i] ? props[i] : 0, i % 8 == 7 ? "\n" : " "
+	}
+	print "};"
+	print ""
+
+	print "static const struct {"
+	print "\trune lo, hi;"
+	print "\tenum uprop_blk val;"
+	print "} lookup[] = {"
+
+	for (i = 0x100; i <= 0x10FFFF; i++) {
+		if (!props[i])
+			continue
+		lo = i
+		while (props[lo] == props[i + 1])
+			i++
+		printf "\t{RUNE_C(0x%06X), RUNE_C(0x%06X), %s},\n", lo, i, props[i]
+	}
+
+	print "};"
+	print ""
+	print "__MLIB_DEFINE_BSEARCH(enum uprop_blk, lookup, BLK_NB)"
+	print ""
+	print "enum uprop_blk"
+	print "uprop_get_blk(rune ch)"
+	print "{"
+	print "\treturn ch <= lengthof(lookup_lat1) ? lookup_lat1[ch] : mlib_lookup(ch);"
+	print "}"
+}
+' data/Blocks | sed 's/\s*$//'