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package com.oracle.js.parser;

Utility methods for parsing of identifiers.
/**
 * Utility methods for parsing of identifiers.
 */
public final class IdentUtils {

    private static final int[] ID_PART_RANGES = new int[]{0x24, 0x24, 0x30, 0x39, 0x41, 0x5a, 0x5f, 0x5f, 0x61, 0x7a, 0xaa, 0xaa, 0xb5, 0xb5, 0xb7, 0xb7, 0xba, 0xba, 0xc0, 0xd6, 0xd8, 0xf6, 0xf8,
                    0x2c1, 0x2c6, 0x2d1, 0x2e0, 0x2e4, 0x2ec, 0x2ec, 0x2ee, 0x2ee, 0x300, 0x374, 0x376, 0x377, 0x37a, 0x37d, 0x37f, 0x37f, 0x386, 0x38a, 0x38c, 0x38c, 0x38e, 0x3a1, 0x3a3, 0x3f5,
                    0x3f7, 0x481, 0x483, 0x487, 0x48a, 0x52f, 0x531, 0x556, 0x559, 0x559, 0x560, 0x588, 0x591, 0x5bd, 0x5bf, 0x5bf, 0x5c1, 0x5c2, 0x5c4, 0x5c5, 0x5c7, 0x5c7, 0x5d0, 0x5ea, 0x5ef,
                    0x5f2, 0x610, 0x61a, 0x620, 0x669, 0x66e, 0x6d3, 0x6d5, 0x6dc, 0x6df, 0x6e8, 0x6ea, 0x6fc, 0x6ff, 0x6ff, 0x710, 0x74a, 0x74d, 0x7b1, 0x7c0, 0x7f5, 0x7fa, 0x7fa, 0x7fd, 0x7fd,
                    0x800, 0x82d, 0x840, 0x85b, 0x860, 0x86a, 0x8a0, 0x8b4, 0x8b6, 0x8c7, 0x8d3, 0x8e1, 0x8e3, 0x963, 0x966, 0x96f, 0x971, 0x983, 0x985, 0x98c, 0x98f, 0x990, 0x993, 0x9a8, 0x9aa,
                    0x9b0, 0x9b2, 0x9b2, 0x9b6, 0x9b9, 0x9bc, 0x9c4, 0x9c7, 0x9c8, 0x9cb, 0x9ce, 0x9d7, 0x9d7, 0x9dc, 0x9dd, 0x9df, 0x9e3, 0x9e6, 0x9f1, 0x9fc, 0x9fc, 0x9fe, 0x9fe, 0xa01, 0xa03,
                    0xa05, 0xa0a, 0xa0f, 0xa10, 0xa13, 0xa28, 0xa2a, 0xa30, 0xa32, 0xa33, 0xa35, 0xa36, 0xa38, 0xa39, 0xa3c, 0xa3c, 0xa3e, 0xa42, 0xa47, 0xa48, 0xa4b, 0xa4d, 0xa51, 0xa51, 0xa59,
                    0xa5c, 0xa5e, 0xa5e, 0xa66, 0xa75, 0xa81, 0xa83, 0xa85, 0xa8d, 0xa8f, 0xa91, 0xa93, 0xaa8, 0xaaa, 0xab0, 0xab2, 0xab3, 0xab5, 0xab9, 0xabc, 0xac5, 0xac7, 0xac9, 0xacb, 0xacd,
                    0xad0, 0xad0, 0xae0, 0xae3, 0xae6, 0xaef, 0xaf9, 0xaff, 0xb01, 0xb03, 0xb05, 0xb0c, 0xb0f, 0xb10, 0xb13, 0xb28, 0xb2a, 0xb30, 0xb32, 0xb33, 0xb35, 0xb39, 0xb3c, 0xb44, 0xb47,
                    0xb48, 0xb4b, 0xb4d, 0xb55, 0xb57, 0xb5c, 0xb5d, 0xb5f, 0xb63, 0xb66, 0xb6f, 0xb71, 0xb71, 0xb82, 0xb83, 0xb85, 0xb8a, 0xb8e, 0xb90, 0xb92, 0xb95, 0xb99, 0xb9a, 0xb9c, 0xb9c,
                    0xb9e, 0xb9f, 0xba3, 0xba4, 0xba8, 0xbaa, 0xbae, 0xbb9, 0xbbe, 0xbc2, 0xbc6, 0xbc8, 0xbca, 0xbcd, 0xbd0, 0xbd0, 0xbd7, 0xbd7, 0xbe6, 0xbef, 0xc00, 0xc0c, 0xc0e, 0xc10, 0xc12,
                    0xc28, 0xc2a, 0xc39, 0xc3d, 0xc44, 0xc46, 0xc48, 0xc4a, 0xc4d, 0xc55, 0xc56, 0xc58, 0xc5a, 0xc60, 0xc63, 0xc66, 0xc6f, 0xc80, 0xc83, 0xc85, 0xc8c, 0xc8e, 0xc90, 0xc92, 0xca8,
                    0xcaa, 0xcb3, 0xcb5, 0xcb9, 0xcbc, 0xcc4, 0xcc6, 0xcc8, 0xcca, 0xccd, 0xcd5, 0xcd6, 0xcde, 0xcde, 0xce0, 0xce3, 0xce6, 0xcef, 0xcf1, 0xcf2, 0xd00, 0xd0c, 0xd0e, 0xd10, 0xd12,
                    0xd44, 0xd46, 0xd48, 0xd4a, 0xd4e, 0xd54, 0xd57, 0xd5f, 0xd63, 0xd66, 0xd6f, 0xd7a, 0xd7f, 0xd81, 0xd83, 0xd85, 0xd96, 0xd9a, 0xdb1, 0xdb3, 0xdbb, 0xdbd, 0xdbd, 0xdc0, 0xdc6,
                    0xdca, 0xdca, 0xdcf, 0xdd4, 0xdd6, 0xdd6, 0xdd8, 0xddf, 0xde6, 0xdef, 0xdf2, 0xdf3, 0xe01, 0xe3a, 0xe40, 0xe4e, 0xe50, 0xe59, 0xe81, 0xe82, 0xe84, 0xe84, 0xe86, 0xe8a, 0xe8c,
                    0xea3, 0xea5, 0xea5, 0xea7, 0xebd, 0xec0, 0xec4, 0xec6, 0xec6, 0xec8, 0xecd, 0xed0, 0xed9, 0xedc, 0xedf, 0xf00, 0xf00, 0xf18, 0xf19, 0xf20, 0xf29, 0xf35, 0xf35, 0xf37, 0xf37,
                    0xf39, 0xf39, 0xf3e, 0xf47, 0xf49, 0xf6c, 0xf71, 0xf84, 0xf86, 0xf97, 0xf99, 0xfbc, 0xfc6, 0xfc6, 0x1000, 0x1049, 0x1050, 0x109d, 0x10a0, 0x10c5, 0x10c7, 0x10c7, 0x10cd, 0x10cd,
                    0x10d0, 0x10fa, 0x10fc, 0x1248, 0x124a, 0x124d, 0x1250, 0x1256, 0x1258, 0x1258, 0x125a, 0x125d, 0x1260, 0x1288, 0x128a, 0x128d, 0x1290, 0x12b0, 0x12b2, 0x12b5, 0x12b8, 0x12be,
                    0x12c0, 0x12c0, 0x12c2, 0x12c5, 0x12c8, 0x12d6, 0x12d8, 0x1310, 0x1312, 0x1315, 0x1318, 0x135a, 0x135d, 0x135f, 0x1369, 0x1371, 0x1380, 0x138f, 0x13a0, 0x13f5, 0x13f8, 0x13fd,
                    0x1401, 0x166c, 0x166f, 0x167f, 0x1681, 0x169a, 0x16a0, 0x16ea, 0x16ee, 0x16f8, 0x1700, 0x170c, 0x170e, 0x1714, 0x1720, 0x1734, 0x1740, 0x1753, 0x1760, 0x176c, 0x176e, 0x1770,
                    0x1772, 0x1773, 0x1780, 0x17d3, 0x17d7, 0x17d7, 0x17dc, 0x17dd, 0x17e0, 0x17e9, 0x180b, 0x180d, 0x1810, 0x1819, 0x1820, 0x1878, 0x1880, 0x18aa, 0x18b0, 0x18f5, 0x1900, 0x191e,
                    0x1920, 0x192b, 0x1930, 0x193b, 0x1946, 0x196d, 0x1970, 0x1974, 0x1980, 0x19ab, 0x19b0, 0x19c9, 0x19d0, 0x19da, 0x1a00, 0x1a1b, 0x1a20, 0x1a5e, 0x1a60, 0x1a7c, 0x1a7f, 0x1a89,
                    0x1a90, 0x1a99, 0x1aa7, 0x1aa7, 0x1ab0, 0x1abd, 0x1abf, 0x1ac0, 0x1b00, 0x1b4b, 0x1b50, 0x1b59, 0x1b6b, 0x1b73, 0x1b80, 0x1bf3, 0x1c00, 0x1c37, 0x1c40, 0x1c49, 0x1c4d, 0x1c7d,
                    0x1c80, 0x1c88, 0x1c90, 0x1cba, 0x1cbd, 0x1cbf, 0x1cd0, 0x1cd2, 0x1cd4, 0x1cfa, 0x1d00, 0x1df9, 0x1dfb, 0x1f15, 0x1f18, 0x1f1d, 0x1f20, 0x1f45, 0x1f48, 0x1f4d, 0x1f50, 0x1f57,
                    0x1f59, 0x1f59, 0x1f5b, 0x1f5b, 0x1f5d, 0x1f5d, 0x1f5f, 0x1f7d, 0x1f80, 0x1fb4, 0x1fb6, 0x1fbc, 0x1fbe, 0x1fbe, 0x1fc2, 0x1fc4, 0x1fc6, 0x1fcc, 0x1fd0, 0x1fd3, 0x1fd6, 0x1fdb,
                    0x1fe0, 0x1fec, 0x1ff2, 0x1ff4, 0x1ff6, 0x1ffc, 0x200c, 0x200d, 0x203f, 0x2040, 0x2054, 0x2054, 0x2071, 0x2071, 0x207f, 0x207f, 0x2090, 0x209c, 0x20d0, 0x20dc, 0x20e1, 0x20e1,
                    0x20e5, 0x20f0, 0x2102, 0x2102, 0x2107, 0x2107, 0x210a, 0x2113, 0x2115, 0x2115, 0x2118, 0x211d, 0x2124, 0x2124, 0x2126, 0x2126, 0x2128, 0x2128, 0x212a, 0x2139, 0x213c, 0x213f,
                    0x2145, 0x2149, 0x214e, 0x214e, 0x2160, 0x2188, 0x2c00, 0x2c2e, 0x2c30, 0x2c5e, 0x2c60, 0x2ce4, 0x2ceb, 0x2cf3, 0x2d00, 0x2d25, 0x2d27, 0x2d27, 0x2d2d, 0x2d2d, 0x2d30, 0x2d67,
                    0x2d6f, 0x2d6f, 0x2d7f, 0x2d96, 0x2da0, 0x2da6, 0x2da8, 0x2dae, 0x2db0, 0x2db6, 0x2db8, 0x2dbe, 0x2dc0, 0x2dc6, 0x2dc8, 0x2dce, 0x2dd0, 0x2dd6, 0x2dd8, 0x2dde, 0x2de0, 0x2dff,
                    0x3005, 0x3007, 0x3021, 0x302f, 0x3031, 0x3035, 0x3038, 0x303c, 0x3041, 0x3096, 0x3099, 0x309f, 0x30a1, 0x30fa, 0x30fc, 0x30ff, 0x3105, 0x312f, 0x3131, 0x318e, 0x31a0, 0x31bf,
                    0x31f0, 0x31ff, 0x3400, 0x4dbf, 0x4e00, 0x9ffc, 0xa000, 0xa48c, 0xa4d0, 0xa4fd, 0xa500, 0xa60c, 0xa610, 0xa62b, 0xa640, 0xa66f, 0xa674, 0xa67d, 0xa67f, 0xa6f1, 0xa717, 0xa71f,
                    0xa722, 0xa788, 0xa78b, 0xa7bf, 0xa7c2, 0xa7ca, 0xa7f5, 0xa827, 0xa82c, 0xa82c, 0xa840, 0xa873, 0xa880, 0xa8c5, 0xa8d0, 0xa8d9, 0xa8e0, 0xa8f7, 0xa8fb, 0xa8fb, 0xa8fd, 0xa92d,
                    0xa930, 0xa953, 0xa960, 0xa97c, 0xa980, 0xa9c0, 0xa9cf, 0xa9d9, 0xa9e0, 0xa9fe, 0xaa00, 0xaa36, 0xaa40, 0xaa4d, 0xaa50, 0xaa59, 0xaa60, 0xaa76, 0xaa7a, 0xaac2, 0xaadb, 0xaadd,
                    0xaae0, 0xaaef, 0xaaf2, 0xaaf6, 0xab01, 0xab06, 0xab09, 0xab0e, 0xab11, 0xab16, 0xab20, 0xab26, 0xab28, 0xab2e, 0xab30, 0xab5a, 0xab5c, 0xab69, 0xab70, 0xabea, 0xabec, 0xabed,
                    0xabf0, 0xabf9, 0xac00, 0xd7a3, 0xd7b0, 0xd7c6, 0xd7cb, 0xd7fb, 0xf900, 0xfa6d, 0xfa70, 0xfad9, 0xfb00, 0xfb06, 0xfb13, 0xfb17, 0xfb1d, 0xfb28, 0xfb2a, 0xfb36, 0xfb38, 0xfb3c,
                    0xfb3e, 0xfb3e, 0xfb40, 0xfb41, 0xfb43, 0xfb44, 0xfb46, 0xfbb1, 0xfbd3, 0xfd3d, 0xfd50, 0xfd8f, 0xfd92, 0xfdc7, 0xfdf0, 0xfdfb, 0xfe00, 0xfe0f, 0xfe20, 0xfe2f, 0xfe33, 0xfe34,
                    0xfe4d, 0xfe4f, 0xfe70, 0xfe74, 0xfe76, 0xfefc, 0xff10, 0xff19, 0xff21, 0xff3a, 0xff3f, 0xff3f, 0xff41, 0xff5a, 0xff66, 0xffbe, 0xffc2, 0xffc7, 0xffca, 0xffcf, 0xffd2, 0xffd7,
                    0xffda, 0xffdc, 0x10000, 0x1000b, 0x1000d, 0x10026, 0x10028, 0x1003a, 0x1003c, 0x1003d, 0x1003f, 0x1004d, 0x10050, 0x1005d, 0x10080, 0x100fa, 0x10140, 0x10174, 0x101fd, 0x101fd,
                    0x10280, 0x1029c, 0x102a0, 0x102d0, 0x102e0, 0x102e0, 0x10300, 0x1031f, 0x1032d, 0x1034a, 0x10350, 0x1037a, 0x10380, 0x1039d, 0x103a0, 0x103c3, 0x103c8, 0x103cf, 0x103d1, 0x103d5,
                    0x10400, 0x1049d, 0x104a0, 0x104a9, 0x104b0, 0x104d3, 0x104d8, 0x104fb, 0x10500, 0x10527, 0x10530, 0x10563, 0x10600, 0x10736, 0x10740, 0x10755, 0x10760, 0x10767, 0x10800, 0x10805,
                    0x10808, 0x10808, 0x1080a, 0x10835, 0x10837, 0x10838, 0x1083c, 0x1083c, 0x1083f, 0x10855, 0x10860, 0x10876, 0x10880, 0x1089e, 0x108e0, 0x108f2, 0x108f4, 0x108f5, 0x10900, 0x10915,
                    0x10920, 0x10939, 0x10980, 0x109b7, 0x109be, 0x109bf, 0x10a00, 0x10a03, 0x10a05, 0x10a06, 0x10a0c, 0x10a13, 0x10a15, 0x10a17, 0x10a19, 0x10a35, 0x10a38, 0x10a3a, 0x10a3f, 0x10a3f,
                    0x10a60, 0x10a7c, 0x10a80, 0x10a9c, 0x10ac0, 0x10ac7, 0x10ac9, 0x10ae6, 0x10b00, 0x10b35, 0x10b40, 0x10b55, 0x10b60, 0x10b72, 0x10b80, 0x10b91, 0x10c00, 0x10c48, 0x10c80, 0x10cb2,
                    0x10cc0, 0x10cf2, 0x10d00, 0x10d27, 0x10d30, 0x10d39, 0x10e80, 0x10ea9, 0x10eab, 0x10eac, 0x10eb0, 0x10eb1, 0x10f00, 0x10f1c, 0x10f27, 0x10f27, 0x10f30, 0x10f50, 0x10fb0, 0x10fc4,
                    0x10fe0, 0x10ff6, 0x11000, 0x11046, 0x11066, 0x1106f, 0x1107f, 0x110ba, 0x110d0, 0x110e8, 0x110f0, 0x110f9, 0x11100, 0x11134, 0x11136, 0x1113f, 0x11144, 0x11147, 0x11150, 0x11173,
                    0x11176, 0x11176, 0x11180, 0x111c4, 0x111c9, 0x111cc, 0x111ce, 0x111da, 0x111dc, 0x111dc, 0x11200, 0x11211, 0x11213, 0x11237, 0x1123e, 0x1123e, 0x11280, 0x11286, 0x11288, 0x11288,
                    0x1128a, 0x1128d, 0x1128f, 0x1129d, 0x1129f, 0x112a8, 0x112b0, 0x112ea, 0x112f0, 0x112f9, 0x11300, 0x11303, 0x11305, 0x1130c, 0x1130f, 0x11310, 0x11313, 0x11328, 0x1132a, 0x11330,
                    0x11332, 0x11333, 0x11335, 0x11339, 0x1133b, 0x11344, 0x11347, 0x11348, 0x1134b, 0x1134d, 0x11350, 0x11350, 0x11357, 0x11357, 0x1135d, 0x11363, 0x11366, 0x1136c, 0x11370, 0x11374,
                    0x11400, 0x1144a, 0x11450, 0x11459, 0x1145e, 0x11461, 0x11480, 0x114c5, 0x114c7, 0x114c7, 0x114d0, 0x114d9, 0x11580, 0x115b5, 0x115b8, 0x115c0, 0x115d8, 0x115dd, 0x11600, 0x11640,
                    0x11644, 0x11644, 0x11650, 0x11659, 0x11680, 0x116b8, 0x116c0, 0x116c9, 0x11700, 0x1171a, 0x1171d, 0x1172b, 0x11730, 0x11739, 0x11800, 0x1183a, 0x118a0, 0x118e9, 0x118ff, 0x11906,
                    0x11909, 0x11909, 0x1190c, 0x11913, 0x11915, 0x11916, 0x11918, 0x11935, 0x11937, 0x11938, 0x1193b, 0x11943, 0x11950, 0x11959, 0x119a0, 0x119a7, 0x119aa, 0x119d7, 0x119da, 0x119e1,
                    0x119e3, 0x119e4, 0x11a00, 0x11a3e, 0x11a47, 0x11a47, 0x11a50, 0x11a99, 0x11a9d, 0x11a9d, 0x11ac0, 0x11af8, 0x11c00, 0x11c08, 0x11c0a, 0x11c36, 0x11c38, 0x11c40, 0x11c50, 0x11c59,
                    0x11c72, 0x11c8f, 0x11c92, 0x11ca7, 0x11ca9, 0x11cb6, 0x11d00, 0x11d06, 0x11d08, 0x11d09, 0x11d0b, 0x11d36, 0x11d3a, 0x11d3a, 0x11d3c, 0x11d3d, 0x11d3f, 0x11d47, 0x11d50, 0x11d59,
                    0x11d60, 0x11d65, 0x11d67, 0x11d68, 0x11d6a, 0x11d8e, 0x11d90, 0x11d91, 0x11d93, 0x11d98, 0x11da0, 0x11da9, 0x11ee0, 0x11ef6, 0x11fb0, 0x11fb0, 0x12000, 0x12399, 0x12400, 0x1246e,
                    0x12480, 0x12543, 0x13000, 0x1342e, 0x14400, 0x14646, 0x16800, 0x16a38, 0x16a40, 0x16a5e, 0x16a60, 0x16a69, 0x16ad0, 0x16aed, 0x16af0, 0x16af4, 0x16b00, 0x16b36, 0x16b40, 0x16b43,
                    0x16b50, 0x16b59, 0x16b63, 0x16b77, 0x16b7d, 0x16b8f, 0x16e40, 0x16e7f, 0x16f00, 0x16f4a, 0x16f4f, 0x16f87, 0x16f8f, 0x16f9f, 0x16fe0, 0x16fe1, 0x16fe3, 0x16fe4, 0x16ff0, 0x16ff1,
                    0x17000, 0x187f7, 0x18800, 0x18cd5, 0x18d00, 0x18d08, 0x1b000, 0x1b11e, 0x1b150, 0x1b152, 0x1b164, 0x1b167, 0x1b170, 0x1b2fb, 0x1bc00, 0x1bc6a, 0x1bc70, 0x1bc7c, 0x1bc80, 0x1bc88,
                    0x1bc90, 0x1bc99, 0x1bc9d, 0x1bc9e, 0x1d165, 0x1d169, 0x1d16d, 0x1d172, 0x1d17b, 0x1d182, 0x1d185, 0x1d18b, 0x1d1aa, 0x1d1ad, 0x1d242, 0x1d244, 0x1d400, 0x1d454, 0x1d456, 0x1d49c,
                    0x1d49e, 0x1d49f, 0x1d4a2, 0x1d4a2, 0x1d4a5, 0x1d4a6, 0x1d4a9, 0x1d4ac, 0x1d4ae, 0x1d4b9, 0x1d4bb, 0x1d4bb, 0x1d4bd, 0x1d4c3, 0x1d4c5, 0x1d505, 0x1d507, 0x1d50a, 0x1d50d, 0x1d514,
                    0x1d516, 0x1d51c, 0x1d51e, 0x1d539, 0x1d53b, 0x1d53e, 0x1d540, 0x1d544, 0x1d546, 0x1d546, 0x1d54a, 0x1d550, 0x1d552, 0x1d6a5, 0x1d6a8, 0x1d6c0, 0x1d6c2, 0x1d6da, 0x1d6dc, 0x1d6fa,
                    0x1d6fc, 0x1d714, 0x1d716, 0x1d734, 0x1d736, 0x1d74e, 0x1d750, 0x1d76e, 0x1d770, 0x1d788, 0x1d78a, 0x1d7a8, 0x1d7aa, 0x1d7c2, 0x1d7c4, 0x1d7cb, 0x1d7ce, 0x1d7ff, 0x1da00, 0x1da36,
                    0x1da3b, 0x1da6c, 0x1da75, 0x1da75, 0x1da84, 0x1da84, 0x1da9b, 0x1da9f, 0x1daa1, 0x1daaf, 0x1e000, 0x1e006, 0x1e008, 0x1e018, 0x1e01b, 0x1e021, 0x1e023, 0x1e024, 0x1e026, 0x1e02a,
                    0x1e100, 0x1e12c, 0x1e130, 0x1e13d, 0x1e140, 0x1e149, 0x1e14e, 0x1e14e, 0x1e2c0, 0x1e2f9, 0x1e800, 0x1e8c4, 0x1e8d0, 0x1e8d6, 0x1e900, 0x1e94b, 0x1e950, 0x1e959, 0x1ee00, 0x1ee03,
                    0x1ee05, 0x1ee1f, 0x1ee21, 0x1ee22, 0x1ee24, 0x1ee24, 0x1ee27, 0x1ee27, 0x1ee29, 0x1ee32, 0x1ee34, 0x1ee37, 0x1ee39, 0x1ee39, 0x1ee3b, 0x1ee3b, 0x1ee42, 0x1ee42, 0x1ee47, 0x1ee47,
                    0x1ee49, 0x1ee49, 0x1ee4b, 0x1ee4b, 0x1ee4d, 0x1ee4f, 0x1ee51, 0x1ee52, 0x1ee54, 0x1ee54, 0x1ee57, 0x1ee57, 0x1ee59, 0x1ee59, 0x1ee5b, 0x1ee5b, 0x1ee5d, 0x1ee5d, 0x1ee5f, 0x1ee5f,
                    0x1ee61, 0x1ee62, 0x1ee64, 0x1ee64, 0x1ee67, 0x1ee6a, 0x1ee6c, 0x1ee72, 0x1ee74, 0x1ee77, 0x1ee79, 0x1ee7c, 0x1ee7e, 0x1ee7e, 0x1ee80, 0x1ee89, 0x1ee8b, 0x1ee9b, 0x1eea1, 0x1eea3,
                    0x1eea5, 0x1eea9, 0x1eeab, 0x1eebb, 0x1fbf0, 0x1fbf9, 0x20000, 0x2a6dd, 0x2a700, 0x2b734, 0x2b740, 0x2b81d, 0x2b820, 0x2cea1, 0x2ceb0, 0x2ebe0, 0x2f800, 0x2fa1d, 0x30000, 0x3134a,
                    0xe0100, 0xe01ef};
    private static final int[] ID_START_RANGES = new int[]{0x24, 0x24, 0x41, 0x5a, 0x5f, 0x5f, 0x61, 0x7a, 0xaa, 0xaa, 0xb5, 0xb5, 0xba, 0xba, 0xc0, 0xd6, 0xd8, 0xf6, 0xf8, 0x2c1, 0x2c6, 0x2d1, 0x2e0,
                    0x2e4, 0x2ec, 0x2ec, 0x2ee, 0x2ee, 0x370, 0x374, 0x376, 0x377, 0x37a, 0x37d, 0x37f, 0x37f, 0x386, 0x386, 0x388, 0x38a, 0x38c, 0x38c, 0x38e, 0x3a1, 0x3a3, 0x3f5, 0x3f7, 0x481,
                    0x48a, 0x52f, 0x531, 0x556, 0x559, 0x559, 0x560, 0x588, 0x5d0, 0x5ea, 0x5ef, 0x5f2, 0x620, 0x64a, 0x66e, 0x66f, 0x671, 0x6d3, 0x6d5, 0x6d5, 0x6e5, 0x6e6, 0x6ee, 0x6ef, 0x6fa,
                    0x6fc, 0x6ff, 0x6ff, 0x710, 0x710, 0x712, 0x72f, 0x74d, 0x7a5, 0x7b1, 0x7b1, 0x7ca, 0x7ea, 0x7f4, 0x7f5, 0x7fa, 0x7fa, 0x800, 0x815, 0x81a, 0x81a, 0x824, 0x824, 0x828, 0x828,
                    0x840, 0x858, 0x860, 0x86a, 0x8a0, 0x8b4, 0x8b6, 0x8c7, 0x904, 0x939, 0x93d, 0x93d, 0x950, 0x950, 0x958, 0x961, 0x971, 0x980, 0x985, 0x98c, 0x98f, 0x990, 0x993, 0x9a8, 0x9aa,
                    0x9b0, 0x9b2, 0x9b2, 0x9b6, 0x9b9, 0x9bd, 0x9bd, 0x9ce, 0x9ce, 0x9dc, 0x9dd, 0x9df, 0x9e1, 0x9f0, 0x9f1, 0x9fc, 0x9fc, 0xa05, 0xa0a, 0xa0f, 0xa10, 0xa13, 0xa28, 0xa2a, 0xa30,
                    0xa32, 0xa33, 0xa35, 0xa36, 0xa38, 0xa39, 0xa59, 0xa5c, 0xa5e, 0xa5e, 0xa72, 0xa74, 0xa85, 0xa8d, 0xa8f, 0xa91, 0xa93, 0xaa8, 0xaaa, 0xab0, 0xab2, 0xab3, 0xab5, 0xab9, 0xabd,
                    0xabd, 0xad0, 0xad0, 0xae0, 0xae1, 0xaf9, 0xaf9, 0xb05, 0xb0c, 0xb0f, 0xb10, 0xb13, 0xb28, 0xb2a, 0xb30, 0xb32, 0xb33, 0xb35, 0xb39, 0xb3d, 0xb3d, 0xb5c, 0xb5d, 0xb5f, 0xb61,
                    0xb71, 0xb71, 0xb83, 0xb83, 0xb85, 0xb8a, 0xb8e, 0xb90, 0xb92, 0xb95, 0xb99, 0xb9a, 0xb9c, 0xb9c, 0xb9e, 0xb9f, 0xba3, 0xba4, 0xba8, 0xbaa, 0xbae, 0xbb9, 0xbd0, 0xbd0, 0xc05,
                    0xc0c, 0xc0e, 0xc10, 0xc12, 0xc28, 0xc2a, 0xc39, 0xc3d, 0xc3d, 0xc58, 0xc5a, 0xc60, 0xc61, 0xc80, 0xc80, 0xc85, 0xc8c, 0xc8e, 0xc90, 0xc92, 0xca8, 0xcaa, 0xcb3, 0xcb5, 0xcb9,
                    0xcbd, 0xcbd, 0xcde, 0xcde, 0xce0, 0xce1, 0xcf1, 0xcf2, 0xd04, 0xd0c, 0xd0e, 0xd10, 0xd12, 0xd3a, 0xd3d, 0xd3d, 0xd4e, 0xd4e, 0xd54, 0xd56, 0xd5f, 0xd61, 0xd7a, 0xd7f, 0xd85,
                    0xd96, 0xd9a, 0xdb1, 0xdb3, 0xdbb, 0xdbd, 0xdbd, 0xdc0, 0xdc6, 0xe01, 0xe30, 0xe32, 0xe33, 0xe40, 0xe46, 0xe81, 0xe82, 0xe84, 0xe84, 0xe86, 0xe8a, 0xe8c, 0xea3, 0xea5, 0xea5,
                    0xea7, 0xeb0, 0xeb2, 0xeb3, 0xebd, 0xebd, 0xec0, 0xec4, 0xec6, 0xec6, 0xedc, 0xedf, 0xf00, 0xf00, 0xf40, 0xf47, 0xf49, 0xf6c, 0xf88, 0xf8c, 0x1000, 0x102a, 0x103f, 0x103f, 0x1050,
                    0x1055, 0x105a, 0x105d, 0x1061, 0x1061, 0x1065, 0x1066, 0x106e, 0x1070, 0x1075, 0x1081, 0x108e, 0x108e, 0x10a0, 0x10c5, 0x10c7, 0x10c7, 0x10cd, 0x10cd, 0x10d0, 0x10fa, 0x10fc,
                    0x1248, 0x124a, 0x124d, 0x1250, 0x1256, 0x1258, 0x1258, 0x125a, 0x125d, 0x1260, 0x1288, 0x128a, 0x128d, 0x1290, 0x12b0, 0x12b2, 0x12b5, 0x12b8, 0x12be, 0x12c0, 0x12c0, 0x12c2,
                    0x12c5, 0x12c8, 0x12d6, 0x12d8, 0x1310, 0x1312, 0x1315, 0x1318, 0x135a, 0x1380, 0x138f, 0x13a0, 0x13f5, 0x13f8, 0x13fd, 0x1401, 0x166c, 0x166f, 0x167f, 0x1681, 0x169a, 0x16a0,
                    0x16ea, 0x16ee, 0x16f8, 0x1700, 0x170c, 0x170e, 0x1711, 0x1720, 0x1731, 0x1740, 0x1751, 0x1760, 0x176c, 0x176e, 0x1770, 0x1780, 0x17b3, 0x17d7, 0x17d7, 0x17dc, 0x17dc, 0x1820,
                    0x1878, 0x1880, 0x18a8, 0x18aa, 0x18aa, 0x18b0, 0x18f5, 0x1900, 0x191e, 0x1950, 0x196d, 0x1970, 0x1974, 0x1980, 0x19ab, 0x19b0, 0x19c9, 0x1a00, 0x1a16, 0x1a20, 0x1a54, 0x1aa7,
                    0x1aa7, 0x1b05, 0x1b33, 0x1b45, 0x1b4b, 0x1b83, 0x1ba0, 0x1bae, 0x1baf, 0x1bba, 0x1be5, 0x1c00, 0x1c23, 0x1c4d, 0x1c4f, 0x1c5a, 0x1c7d, 0x1c80, 0x1c88, 0x1c90, 0x1cba, 0x1cbd,
                    0x1cbf, 0x1ce9, 0x1cec, 0x1cee, 0x1cf3, 0x1cf5, 0x1cf6, 0x1cfa, 0x1cfa, 0x1d00, 0x1dbf, 0x1e00, 0x1f15, 0x1f18, 0x1f1d, 0x1f20, 0x1f45, 0x1f48, 0x1f4d, 0x1f50, 0x1f57, 0x1f59,
                    0x1f59, 0x1f5b, 0x1f5b, 0x1f5d, 0x1f5d, 0x1f5f, 0x1f7d, 0x1f80, 0x1fb4, 0x1fb6, 0x1fbc, 0x1fbe, 0x1fbe, 0x1fc2, 0x1fc4, 0x1fc6, 0x1fcc, 0x1fd0, 0x1fd3, 0x1fd6, 0x1fdb, 0x1fe0,
                    0x1fec, 0x1ff2, 0x1ff4, 0x1ff6, 0x1ffc, 0x2071, 0x2071, 0x207f, 0x207f, 0x2090, 0x209c, 0x2102, 0x2102, 0x2107, 0x2107, 0x210a, 0x2113, 0x2115, 0x2115, 0x2118, 0x211d, 0x2124,
                    0x2124, 0x2126, 0x2126, 0x2128, 0x2128, 0x212a, 0x2139, 0x213c, 0x213f, 0x2145, 0x2149, 0x214e, 0x214e, 0x2160, 0x2188, 0x2c00, 0x2c2e, 0x2c30, 0x2c5e, 0x2c60, 0x2ce4, 0x2ceb,
                    0x2cee, 0x2cf2, 0x2cf3, 0x2d00, 0x2d25, 0x2d27, 0x2d27, 0x2d2d, 0x2d2d, 0x2d30, 0x2d67, 0x2d6f, 0x2d6f, 0x2d80, 0x2d96, 0x2da0, 0x2da6, 0x2da8, 0x2dae, 0x2db0, 0x2db6, 0x2db8,
                    0x2dbe, 0x2dc0, 0x2dc6, 0x2dc8, 0x2dce, 0x2dd0, 0x2dd6, 0x2dd8, 0x2dde, 0x3005, 0x3007, 0x3021, 0x3029, 0x3031, 0x3035, 0x3038, 0x303c, 0x3041, 0x3096, 0x309b, 0x309f, 0x30a1,
                    0x30fa, 0x30fc, 0x30ff, 0x3105, 0x312f, 0x3131, 0x318e, 0x31a0, 0x31bf, 0x31f0, 0x31ff, 0x3400, 0x4dbf, 0x4e00, 0x9ffc, 0xa000, 0xa48c, 0xa4d0, 0xa4fd, 0xa500, 0xa60c, 0xa610,
                    0xa61f, 0xa62a, 0xa62b, 0xa640, 0xa66e, 0xa67f, 0xa69d, 0xa6a0, 0xa6ef, 0xa717, 0xa71f, 0xa722, 0xa788, 0xa78b, 0xa7bf, 0xa7c2, 0xa7ca, 0xa7f5, 0xa801, 0xa803, 0xa805, 0xa807,
                    0xa80a, 0xa80c, 0xa822, 0xa840, 0xa873, 0xa882, 0xa8b3, 0xa8f2, 0xa8f7, 0xa8fb, 0xa8fb, 0xa8fd, 0xa8fe, 0xa90a, 0xa925, 0xa930, 0xa946, 0xa960, 0xa97c, 0xa984, 0xa9b2, 0xa9cf,
                    0xa9cf, 0xa9e0, 0xa9e4, 0xa9e6, 0xa9ef, 0xa9fa, 0xa9fe, 0xaa00, 0xaa28, 0xaa40, 0xaa42, 0xaa44, 0xaa4b, 0xaa60, 0xaa76, 0xaa7a, 0xaa7a, 0xaa7e, 0xaaaf, 0xaab1, 0xaab1, 0xaab5,
                    0xaab6, 0xaab9, 0xaabd, 0xaac0, 0xaac0, 0xaac2, 0xaac2, 0xaadb, 0xaadd, 0xaae0, 0xaaea, 0xaaf2, 0xaaf4, 0xab01, 0xab06, 0xab09, 0xab0e, 0xab11, 0xab16, 0xab20, 0xab26, 0xab28,
                    0xab2e, 0xab30, 0xab5a, 0xab5c, 0xab69, 0xab70, 0xabe2, 0xac00, 0xd7a3, 0xd7b0, 0xd7c6, 0xd7cb, 0xd7fb, 0xf900, 0xfa6d, 0xfa70, 0xfad9, 0xfb00, 0xfb06, 0xfb13, 0xfb17, 0xfb1d,
                    0xfb1d, 0xfb1f, 0xfb28, 0xfb2a, 0xfb36, 0xfb38, 0xfb3c, 0xfb3e, 0xfb3e, 0xfb40, 0xfb41, 0xfb43, 0xfb44, 0xfb46, 0xfbb1, 0xfbd3, 0xfd3d, 0xfd50, 0xfd8f, 0xfd92, 0xfdc7, 0xfdf0,
                    0xfdfb, 0xfe70, 0xfe74, 0xfe76, 0xfefc, 0xff21, 0xff3a, 0xff41, 0xff5a, 0xff66, 0xffbe, 0xffc2, 0xffc7, 0xffca, 0xffcf, 0xffd2, 0xffd7, 0xffda, 0xffdc, 0x10000, 0x1000b, 0x1000d,
                    0x10026, 0x10028, 0x1003a, 0x1003c, 0x1003d, 0x1003f, 0x1004d, 0x10050, 0x1005d, 0x10080, 0x100fa, 0x10140, 0x10174, 0x10280, 0x1029c, 0x102a0, 0x102d0, 0x10300, 0x1031f, 0x1032d,
                    0x1034a, 0x10350, 0x10375, 0x10380, 0x1039d, 0x103a0, 0x103c3, 0x103c8, 0x103cf, 0x103d1, 0x103d5, 0x10400, 0x1049d, 0x104b0, 0x104d3, 0x104d8, 0x104fb, 0x10500, 0x10527, 0x10530,
                    0x10563, 0x10600, 0x10736, 0x10740, 0x10755, 0x10760, 0x10767, 0x10800, 0x10805, 0x10808, 0x10808, 0x1080a, 0x10835, 0x10837, 0x10838, 0x1083c, 0x1083c, 0x1083f, 0x10855, 0x10860,
                    0x10876, 0x10880, 0x1089e, 0x108e0, 0x108f2, 0x108f4, 0x108f5, 0x10900, 0x10915, 0x10920, 0x10939, 0x10980, 0x109b7, 0x109be, 0x109bf, 0x10a00, 0x10a00, 0x10a10, 0x10a13, 0x10a15,
                    0x10a17, 0x10a19, 0x10a35, 0x10a60, 0x10a7c, 0x10a80, 0x10a9c, 0x10ac0, 0x10ac7, 0x10ac9, 0x10ae4, 0x10b00, 0x10b35, 0x10b40, 0x10b55, 0x10b60, 0x10b72, 0x10b80, 0x10b91, 0x10c00,
                    0x10c48, 0x10c80, 0x10cb2, 0x10cc0, 0x10cf2, 0x10d00, 0x10d23, 0x10e80, 0x10ea9, 0x10eb0, 0x10eb1, 0x10f00, 0x10f1c, 0x10f27, 0x10f27, 0x10f30, 0x10f45, 0x10fb0, 0x10fc4, 0x10fe0,
                    0x10ff6, 0x11003, 0x11037, 0x11083, 0x110af, 0x110d0, 0x110e8, 0x11103, 0x11126, 0x11144, 0x11144, 0x11147, 0x11147, 0x11150, 0x11172, 0x11176, 0x11176, 0x11183, 0x111b2, 0x111c1,
                    0x111c4, 0x111da, 0x111da, 0x111dc, 0x111dc, 0x11200, 0x11211, 0x11213, 0x1122b, 0x11280, 0x11286, 0x11288, 0x11288, 0x1128a, 0x1128d, 0x1128f, 0x1129d, 0x1129f, 0x112a8, 0x112b0,
                    0x112de, 0x11305, 0x1130c, 0x1130f, 0x11310, 0x11313, 0x11328, 0x1132a, 0x11330, 0x11332, 0x11333, 0x11335, 0x11339, 0x1133d, 0x1133d, 0x11350, 0x11350, 0x1135d, 0x11361, 0x11400,
                    0x11434, 0x11447, 0x1144a, 0x1145f, 0x11461, 0x11480, 0x114af, 0x114c4, 0x114c5, 0x114c7, 0x114c7, 0x11580, 0x115ae, 0x115d8, 0x115db, 0x11600, 0x1162f, 0x11644, 0x11644, 0x11680,
                    0x116aa, 0x116b8, 0x116b8, 0x11700, 0x1171a, 0x11800, 0x1182b, 0x118a0, 0x118df, 0x118ff, 0x11906, 0x11909, 0x11909, 0x1190c, 0x11913, 0x11915, 0x11916, 0x11918, 0x1192f, 0x1193f,
                    0x1193f, 0x11941, 0x11941, 0x119a0, 0x119a7, 0x119aa, 0x119d0, 0x119e1, 0x119e1, 0x119e3, 0x119e3, 0x11a00, 0x11a00, 0x11a0b, 0x11a32, 0x11a3a, 0x11a3a, 0x11a50, 0x11a50, 0x11a5c,
                    0x11a89, 0x11a9d, 0x11a9d, 0x11ac0, 0x11af8, 0x11c00, 0x11c08, 0x11c0a, 0x11c2e, 0x11c40, 0x11c40, 0x11c72, 0x11c8f, 0x11d00, 0x11d06, 0x11d08, 0x11d09, 0x11d0b, 0x11d30, 0x11d46,
                    0x11d46, 0x11d60, 0x11d65, 0x11d67, 0x11d68, 0x11d6a, 0x11d89, 0x11d98, 0x11d98, 0x11ee0, 0x11ef2, 0x11fb0, 0x11fb0, 0x12000, 0x12399, 0x12400, 0x1246e, 0x12480, 0x12543, 0x13000,
                    0x1342e, 0x14400, 0x14646, 0x16800, 0x16a38, 0x16a40, 0x16a5e, 0x16ad0, 0x16aed, 0x16b00, 0x16b2f, 0x16b40, 0x16b43, 0x16b63, 0x16b77, 0x16b7d, 0x16b8f, 0x16e40, 0x16e7f, 0x16f00,
                    0x16f4a, 0x16f50, 0x16f50, 0x16f93, 0x16f9f, 0x16fe0, 0x16fe1, 0x16fe3, 0x16fe3, 0x17000, 0x187f7, 0x18800, 0x18cd5, 0x18d00, 0x18d08, 0x1b000, 0x1b11e, 0x1b150, 0x1b152, 0x1b164,
                    0x1b167, 0x1b170, 0x1b2fb, 0x1bc00, 0x1bc6a, 0x1bc70, 0x1bc7c, 0x1bc80, 0x1bc88, 0x1bc90, 0x1bc99, 0x1d400, 0x1d454, 0x1d456, 0x1d49c, 0x1d49e, 0x1d49f, 0x1d4a2, 0x1d4a2, 0x1d4a5,
                    0x1d4a6, 0x1d4a9, 0x1d4ac, 0x1d4ae, 0x1d4b9, 0x1d4bb, 0x1d4bb, 0x1d4bd, 0x1d4c3, 0x1d4c5, 0x1d505, 0x1d507, 0x1d50a, 0x1d50d, 0x1d514, 0x1d516, 0x1d51c, 0x1d51e, 0x1d539, 0x1d53b,
                    0x1d53e, 0x1d540, 0x1d544, 0x1d546, 0x1d546, 0x1d54a, 0x1d550, 0x1d552, 0x1d6a5, 0x1d6a8, 0x1d6c0, 0x1d6c2, 0x1d6da, 0x1d6dc, 0x1d6fa, 0x1d6fc, 0x1d714, 0x1d716, 0x1d734, 0x1d736,
                    0x1d74e, 0x1d750, 0x1d76e, 0x1d770, 0x1d788, 0x1d78a, 0x1d7a8, 0x1d7aa, 0x1d7c2, 0x1d7c4, 0x1d7cb, 0x1e100, 0x1e12c, 0x1e137, 0x1e13d, 0x1e14e, 0x1e14e, 0x1e2c0, 0x1e2eb, 0x1e800,
                    0x1e8c4, 0x1e900, 0x1e943, 0x1e94b, 0x1e94b, 0x1ee00, 0x1ee03, 0x1ee05, 0x1ee1f, 0x1ee21, 0x1ee22, 0x1ee24, 0x1ee24, 0x1ee27, 0x1ee27, 0x1ee29, 0x1ee32, 0x1ee34, 0x1ee37, 0x1ee39,
                    0x1ee39, 0x1ee3b, 0x1ee3b, 0x1ee42, 0x1ee42, 0x1ee47, 0x1ee47, 0x1ee49, 0x1ee49, 0x1ee4b, 0x1ee4b, 0x1ee4d, 0x1ee4f, 0x1ee51, 0x1ee52, 0x1ee54, 0x1ee54, 0x1ee57, 0x1ee57, 0x1ee59,
                    0x1ee59, 0x1ee5b, 0x1ee5b, 0x1ee5d, 0x1ee5d, 0x1ee5f, 0x1ee5f, 0x1ee61, 0x1ee62, 0x1ee64, 0x1ee64, 0x1ee67, 0x1ee6a, 0x1ee6c, 0x1ee72, 0x1ee74, 0x1ee77, 0x1ee79, 0x1ee7c, 0x1ee7e,
                    0x1ee7e, 0x1ee80, 0x1ee89, 0x1ee8b, 0x1ee9b, 0x1eea1, 0x1eea3, 0x1eea5, 0x1eea9, 0x1eeab, 0x1eebb, 0x20000, 0x2a6dd, 0x2a700, 0x2b734, 0x2b740, 0x2b81d, 0x2b820, 0x2cea1, 0x2ceb0,
                    0x2ebe0, 0x2f800, 0x2fa1d, 0x30000, 0x3134a};
    private static final int PRECOMPUTED_ARRAY_SIZE = 128;
    private static final boolean[] ID_PART_ARRAY = initArray(ID_PART_RANGES);
    private static final boolean[] ID_START_ARRAY = initArray(ID_START_RANGES);

    private IdentUtils() {
    }

    
Determines if the specified character is permissible as the first character in a ECMAScript
identifier.
Params:
codePoint – the character to be tested
Returns:
true if the character may start an ECMAScript identifier, returns false otherwise./**
     * Determines if the specified character is permissible as the first character in a ECMAScript
     * identifier.
     *
     * @param codePoint the character to be tested
     * @return {@code true} if the character may start an ECMAScript identifier, returns
     *         {@code false} otherwise.
     */
    public static boolean isIdentifierStart(int codePoint) {
        return (codePoint < PRECOMPUTED_ARRAY_SIZE) ? ID_START_ARRAY[codePoint] : contains(ID_START_RANGES, codePoint);
    }

    
Determines if the specified character may be part of an ECMAScript identifier as other than
the first character.
Params:
codePoint – the character to be tested
Returns:
true if the character may be part of an ECMAScript identifier, returns false otherwise./**
     * Determines if the specified character may be part of an ECMAScript identifier as other than
     * the first character.
     *
     * @param codePoint the character to be tested
     * @return {@code true} if the character may be part of an ECMAScript identifier, returns
     *         {@code false} otherwise.
     */
    public static boolean isIdentifierPart(int codePoint) {
        return (codePoint < PRECOMPUTED_ARRAY_SIZE) ? ID_PART_ARRAY[codePoint] : contains(ID_PART_RANGES, codePoint);
    }

    private static boolean contains(int[] ranges, int codePoint) {
        int low = 0;
        int high = ranges.length / 2 - 1;
        while (low <= high) {
            int mid = (low + high) / 2;
            if (codePoint < ranges[2 * mid]) {
                high = mid - 1;
            } else if (codePoint > ranges[2 * mid + 1]) {
                low = mid + 1;
            } else { // codePoint in mid range
                return true;
            }
        }
        return false;
    }

    private static boolean[] initArray(int[] ranges) {
        boolean[] array = new boolean[PRECOMPUTED_ARRAY_SIZE];
        for (int i = 0; i < PRECOMPUTED_ARRAY_SIZE; i++) {
            array[i] = contains(ranges, i);
        }
        return array;
    }

}