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904
unified-ai-platform/node_modules/acorn/dist/acorn.js
generated
vendored
Normal file
904
unified-ai-platform/node_modules/acorn/dist/acorn.js
generated
vendored
Normal file
@@ -0,0 +1,904 @@
|
||||
(function (global, factory) {
|
||||
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
|
||||
typeof define === 'function' && define.amd ? define(['exports'], factory) :
|
||||
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.acorn = {}));
|
||||
})(this, (function (exports) { 'use strict';
|
||||
|
||||
// This file was generated. Do not modify manually!
|
||||
var astralIdentifierCodes = [509, 0, 227, 0, 150, 4, 294, 9, 1368, 2, 2, 1, 6, 3, 41, 2, 5, 0, 166, 1, 574, 3, 9, 9, 7, 9, 32, 4, 318, 1, 80, 3, 71, 10, 50, 3, 123, 2, 54, 14, 32, 10, 3, 1, 11, 3, 46, 10, 8, 0, 46, 9, 7, 2, 37, 13, 2, 9, 6, 1, 45, 0, 13, 2, 49, 13, 9, 3, 2, 11, 83, 11, 7, 0, 3, 0, 158, 11, 6, 9, 7, 3, 56, 1, 2, 6, 3, 1, 3, 2, 10, 0, 11, 1, 3, 6, 4, 4, 68, 8, 2, 0, 3, 0, 2, 3, 2, 4, 2, 0, 15, 1, 83, 17, 10, 9, 5, 0, 82, 19, 13, 9, 214, 6, 3, 8, 28, 1, 83, 16, 16, 9, 82, 12, 9, 9, 7, 19, 58, 14, 5, 9, 243, 14, 166, 9, 71, 5, 2, 1, 3, 3, 2, 0, 2, 1, 13, 9, 120, 6, 3, 6, 4, 0, 29, 9, 41, 6, 2, 3, 9, 0, 10, 10, 47, 15, 343, 9, 54, 7, 2, 7, 17, 9, 57, 21, 2, 13, 123, 5, 4, 0, 2, 1, 2, 6, 2, 0, 9, 9, 49, 4, 2, 1, 2, 4, 9, 9, 330, 3, 10, 1, 2, 0, 49, 6, 4, 4, 14, 10, 5350, 0, 7, 14, 11465, 27, 2343, 9, 87, 9, 39, 4, 60, 6, 26, 9, 535, 9, 470, 0, 2, 54, 8, 3, 82, 0, 12, 1, 19628, 1, 4178, 9, 519, 45, 3, 22, 543, 4, 4, 5, 9, 7, 3, 6, 31, 3, 149, 2, 1418, 49, 513, 54, 5, 49, 9, 0, 15, 0, 23, 4, 2, 14, 1361, 6, 2, 16, 3, 6, 2, 1, 2, 4, 101, 0, 161, 6, 10, 9, 357, 0, 62, 13, 499, 13, 245, 1, 2, 9, 726, 6, 110, 6, 6, 9, 4759, 9, 787719, 239];
|
||||
|
||||
// This file was generated. Do not modify manually!
|
||||
var astralIdentifierStartCodes = [0, 11, 2, 25, 2, 18, 2, 1, 2, 14, 3, 13, 35, 122, 70, 52, 268, 28, 4, 48, 48, 31, 14, 29, 6, 37, 11, 29, 3, 35, 5, 7, 2, 4, 43, 157, 19, 35, 5, 35, 5, 39, 9, 51, 13, 10, 2, 14, 2, 6, 2, 1, 2, 10, 2, 14, 2, 6, 2, 1, 4, 51, 13, 310, 10, 21, 11, 7, 25, 5, 2, 41, 2, 8, 70, 5, 3, 0, 2, 43, 2, 1, 4, 0, 3, 22, 11, 22, 10, 30, 66, 18, 2, 1, 11, 21, 11, 25, 71, 55, 7, 1, 65, 0, 16, 3, 2, 2, 2, 28, 43, 28, 4, 28, 36, 7, 2, 27, 28, 53, 11, 21, 11, 18, 14, 17, 111, 72, 56, 50, 14, 50, 14, 35, 39, 27, 10, 22, 251, 41, 7, 1, 17, 2, 60, 28, 11, 0, 9, 21, 43, 17, 47, 20, 28, 22, 13, 52, 58, 1, 3, 0, 14, 44, 33, 24, 27, 35, 30, 0, 3, 0, 9, 34, 4, 0, 13, 47, 15, 3, 22, 0, 2, 0, 36, 17, 2, 24, 20, 1, 64, 6, 2, 0, 2, 3, 2, 14, 2, 9, 8, 46, 39, 7, 3, 1, 3, 21, 2, 6, 2, 1, 2, 4, 4, 0, 19, 0, 13, 4, 31, 9, 2, 0, 3, 0, 2, 37, 2, 0, 26, 0, 2, 0, 45, 52, 19, 3, 21, 2, 31, 47, 21, 1, 2, 0, 185, 46, 42, 3, 37, 47, 21, 0, 60, 42, 14, 0, 72, 26, 38, 6, 186, 43, 117, 63, 32, 7, 3, 0, 3, 7, 2, 1, 2, 23, 16, 0, 2, 0, 95, 7, 3, 38, 17, 0, 2, 0, 29, 0, 11, 39, 8, 0, 22, 0, 12, 45, 20, 0, 19, 72, 200, 32, 32, 8, 2, 36, 18, 0, 50, 29, 113, 6, 2, 1, 2, 37, 22, 0, 26, 5, 2, 1, 2, 31, 15, 0, 328, 18, 16, 0, 2, 12, 2, 33, 125, 0, 80, 921, 103, 110, 18, 195, 2637, 96, 16, 1071, 18, 5, 26, 3994, 6, 582, 6842, 29, 1763, 568, 8, 30, 18, 78, 18, 29, 19, 47, 17, 3, 32, 20, 6, 18, 433, 44, 212, 63, 129, 74, 6, 0, 67, 12, 65, 1, 2, 0, 29, 6135, 9, 1237, 42, 9, 8936, 3, 2, 6, 2, 1, 2, 290, 16, 0, 30, 2, 3, 0, 15, 3, 9, 395, 2309, 106, 6, 12, 4, 8, 8, 9, 5991, 84, 2, 70, 2, 1, 3, 0, 3, 1, 3, 3, 2, 11, 2, 0, 2, 6, 2, 64, 2, 3, 3, 7, 2, 6, 2, 27, 2, 3, 2, 4, 2, 0, 4, 6, 2, 339, 3, 24, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 7, 1845, 30, 7, 5, 262, 61, 147, 44, 11, 6, 17, 0, 322, 29, 19, 43, 485, 27, 229, 29, 3, 0, 496, 6, 2, 3, 2, 1, 2, 14, 2, 196, 60, 67, 8, 0, 1205, 3, 2, 26, 2, 1, 2, 0, 3, 0, 2, 9, 2, 3, 2, 0, 2, 0, 7, 0, 5, 0, 2, 0, 2, 0, 2, 2, 2, 1, 2, 0, 3, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 1, 2, 0, 3, 3, 2, 6, 2, 3, 2, 3, 2, 0, 2, 9, 2, 16, 6, 2, 2, 4, 2, 16, 4421, 42719, 33, 4153, 7, 221, 3, 5761, 15, 7472, 16, 621, 2467, 541, 1507, 4938, 6, 4191];
|
||||
|
||||
// This file was generated. Do not modify manually!
|
||||
var nonASCIIidentifierChars = "\u200c\u200d\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9\u07eb-\u07f3\u07fd\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u0897-\u089f\u08ca-\u08e1\u08e3-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u09fe\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef\u0afa-\u0aff\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b55-\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c04\u0c3c\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0ce6-\u0cef\u0cf3\u0d00-\u0d03\u0d3b\u0d3c\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d81-\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0ebc\u0ec8-\u0ece\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371\u1712-\u1715\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u180f-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\u1abf-\u1ace\u1b00-\u1b04\u1b34-\u1b44\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf4\u1cf7-\u1cf9\u1dc0-\u1dff\u200c\u200d\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\u30fb\ua620-\ua629\ua66f\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua82c\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9\ua8e0-\ua8f1\ua8ff-\ua909\ua926-\ua92d\ua947-\ua953\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f\uff65";
|
||||
|
||||
// This file was generated. Do not modify manually!
|
||||
var nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0560-\u0588\u05d0-\u05ea\u05ef-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u0860-\u086a\u0870-\u0887\u0889-\u088e\u08a0-\u08c9\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u09fc\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c5d\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cdd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d04-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e86-\u0e8a\u0e8c-\u0ea3\u0ea5\u0ea7-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u1711\u171f-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1878\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4c\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c8a\u1c90-\u1cba\u1cbd-\u1cbf\u1ce9-\u1cec\u1cee-\u1cf3\u1cf5\u1cf6\u1cfa\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312f\u3131-\u318e\u31a0-\u31bf\u31f0-\u31ff\u3400-\u4dbf\u4e00-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7cd\ua7d0\ua7d1\ua7d3\ua7d5-\ua7dc\ua7f2-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua8fe\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab69\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc";
|
||||
|
||||
// These are a run-length and offset encoded representation of the
|
||||
// >0xffff code points that are a valid part of identifiers. The
|
||||
// offset starts at 0x10000, and each pair of numbers represents an
|
||||
// offset to the next range, and then a size of the range.
|
||||
|
||||
// Reserved word lists for various dialects of the language
|
||||
|
||||
var reservedWords = {
|
||||
3: "abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile",
|
||||
5: "class enum extends super const export import",
|
||||
6: "enum",
|
||||
strict: "implements interface let package private protected public static yield",
|
||||
strictBind: "eval arguments"
|
||||
};
|
||||
|
||||
// And the keywords
|
||||
|
||||
var ecma5AndLessKeywords = "break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this";
|
||||
|
||||
var keywords$1 = {
|
||||
5: ecma5AndLessKeywords,
|
||||
"5module": ecma5AndLessKeywords + " export import",
|
||||
6: ecma5AndLessKeywords + " const class extends export import super"
|
||||
};
|
||||
|
||||
var keywordRelationalOperator = /^in(stanceof)?$/;
|
||||
|
||||
// ## Character categories
|
||||
|
||||
var nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]");
|
||||
var nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]");
|
||||
|
||||
// This has a complexity linear to the value of the code. The
|
||||
// assumption is that looking up astral identifier characters is
|
||||
// rare.
|
||||
function isInAstralSet(code, set) {
|
||||
var pos = 0x10000;
|
||||
for (var i = 0; i < set.length; i += 2) {
|
||||
pos += set[i];
|
||||
if (pos > code) { return false }
|
||||
pos += set[i + 1];
|
||||
if (pos >= code) { return true }
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
// Test whether a given character code starts an identifier.
|
||||
|
||||
function isIdentifierStart(code, astral) {
|
||||
if (code < 65) { return code === 36 }
|
||||
if (code < 91) { return true }
|
||||
if (code < 97) { return code === 95 }
|
||||
if (code < 123) { return true }
|
||||
if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code)) }
|
||||
if (astral === false) { return false }
|
||||
return isInAstralSet(code, astralIdentifierStartCodes)
|
||||
}
|
||||
|
||||
// Test whether a given character is part of an identifier.
|
||||
|
||||
function isIdentifierChar(code, astral) {
|
||||
if (code < 48) { return code === 36 }
|
||||
if (code < 58) { return true }
|
||||
if (code < 65) { return false }
|
||||
if (code < 91) { return true }
|
||||
if (code < 97) { return code === 95 }
|
||||
if (code < 123) { return true }
|
||||
if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code)) }
|
||||
if (astral === false) { return false }
|
||||
return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes)
|
||||
}
|
||||
|
||||
// ## Token types
|
||||
|
||||
// The assignment of fine-grained, information-carrying type objects
|
||||
// allows the tokenizer to store the information it has about a
|
||||
// token in a way that is very cheap for the parser to look up.
|
||||
|
||||
// All token type variables start with an underscore, to make them
|
||||
// easy to recognize.
|
||||
|
||||
// The `beforeExpr` property is used to disambiguate between regular
|
||||
// expressions and divisions. It is set on all token types that can
|
||||
// be followed by an expression (thus, a slash after them would be a
|
||||
// regular expression).
|
||||
//
|
||||
// The `startsExpr` property is used to check if the token ends a
|
||||
// `yield` expression. It is set on all token types that either can
|
||||
// directly start an expression (like a quotation mark) or can
|
||||
// continue an expression (like the body of a string).
|
||||
//
|
||||
// `isLoop` marks a keyword as starting a loop, which is important
|
||||
// to know when parsing a label, in order to allow or disallow
|
||||
// continue jumps to that label.
|
||||
|
||||
var TokenType = function TokenType(label, conf) {
|
||||
if ( conf === void 0 ) conf = {};
|
||||
|
||||
this.label = label;
|
||||
this.keyword = conf.keyword;
|
||||
this.beforeExpr = !!conf.beforeExpr;
|
||||
this.startsExpr = !!conf.startsExpr;
|
||||
this.isLoop = !!conf.isLoop;
|
||||
this.isAssign = !!conf.isAssign;
|
||||
this.prefix = !!conf.prefix;
|
||||
this.postfix = !!conf.postfix;
|
||||
this.binop = conf.binop || null;
|
||||
this.updateContext = null;
|
||||
};
|
||||
|
||||
function binop(name, prec) {
|
||||
return new TokenType(name, {beforeExpr: true, binop: prec})
|
||||
}
|
||||
var beforeExpr = {beforeExpr: true}, startsExpr = {startsExpr: true};
|
||||
|
||||
// Map keyword names to token types.
|
||||
|
||||
var keywords = {};
|
||||
|
||||
// Succinct definitions of keyword token types
|
||||
function kw(name, options) {
|
||||
if ( options === void 0 ) options = {};
|
||||
|
||||
options.keyword = name;
|
||||
return keywords[name] = new TokenType(name, options)
|
||||
}
|
||||
|
||||
var types$1 = {
|
||||
num: new TokenType("num", startsExpr),
|
||||
regexp: new TokenType("regexp", startsExpr),
|
||||
string: new TokenType("string", startsExpr),
|
||||
name: new TokenType("name", startsExpr),
|
||||
privateId: new TokenType("privateId", startsExpr),
|
||||
eof: new TokenType("eof"),
|
||||
|
||||
// Punctuation token types.
|
||||
bracketL: new TokenType("[", {beforeExpr: true, startsExpr: true}),
|
||||
bracketR: new TokenType("]"),
|
||||
braceL: new TokenType("{", {beforeExpr: true, startsExpr: true}),
|
||||
braceR: new TokenType("}"),
|
||||
parenL: new TokenType("(", {beforeExpr: true, startsExpr: true}),
|
||||
parenR: new TokenType(")"),
|
||||
comma: new TokenType(",", beforeExpr),
|
||||
semi: new TokenType(";", beforeExpr),
|
||||
colon: new TokenType(":", beforeExpr),
|
||||
dot: new TokenType("."),
|
||||
question: new TokenType("?", beforeExpr),
|
||||
questionDot: new TokenType("?."),
|
||||
arrow: new TokenType("=>", beforeExpr),
|
||||
template: new TokenType("template"),
|
||||
invalidTemplate: new TokenType("invalidTemplate"),
|
||||
ellipsis: new TokenType("...", beforeExpr),
|
||||
backQuote: new TokenType("`", startsExpr),
|
||||
dollarBraceL: new TokenType("${", {beforeExpr: true, startsExpr: true}),
|
||||
|
||||
// Operators. These carry several kinds of properties to help the
|
||||
// parser use them properly (the presence of these properties is
|
||||
// what categorizes them as operators).
|
||||
//
|
||||
// `binop`, when present, specifies that this operator is a binary
|
||||
// operator, and will refer to its precedence.
|
||||
//
|
||||
// `prefix` and `postfix` mark the operator as a prefix or postfix
|
||||
// unary operator.
|
||||
//
|
||||
// `isAssign` marks all of `=`, `+=`, `-=` etcetera, which act as
|
||||
// binary operators with a very low precedence, that should result
|
||||
// in AssignmentExpression nodes.
|
||||
|
||||
eq: new TokenType("=", {beforeExpr: true, isAssign: true}),
|
||||
assign: new TokenType("_=", {beforeExpr: true, isAssign: true}),
|
||||
incDec: new TokenType("++/--", {prefix: true, postfix: true, startsExpr: true}),
|
||||
prefix: new TokenType("!/~", {beforeExpr: true, prefix: true, startsExpr: true}),
|
||||
logicalOR: binop("||", 1),
|
||||
logicalAND: binop("&&", 2),
|
||||
bitwiseOR: binop("|", 3),
|
||||
bitwiseXOR: binop("^", 4),
|
||||
bitwiseAND: binop("&", 5),
|
||||
equality: binop("==/!=/===/!==", 6),
|
||||
relational: binop("</>/<=/>=", 7),
|
||||
bitShift: binop("<</>>/>>>", 8),
|
||||
plusMin: new TokenType("+/-", {beforeExpr: true, binop: 9, prefix: true, startsExpr: true}),
|
||||
modulo: binop("%", 10),
|
||||
star: binop("*", 10),
|
||||
slash: binop("/", 10),
|
||||
starstar: new TokenType("**", {beforeExpr: true}),
|
||||
coalesce: binop("??", 1),
|
||||
|
||||
// Keyword token types.
|
||||
_break: kw("break"),
|
||||
_case: kw("case", beforeExpr),
|
||||
_catch: kw("catch"),
|
||||
_continue: kw("continue"),
|
||||
_debugger: kw("debugger"),
|
||||
_default: kw("default", beforeExpr),
|
||||
_do: kw("do", {isLoop: true, beforeExpr: true}),
|
||||
_else: kw("else", beforeExpr),
|
||||
_finally: kw("finally"),
|
||||
_for: kw("for", {isLoop: true}),
|
||||
_function: kw("function", startsExpr),
|
||||
_if: kw("if"),
|
||||
_return: kw("return", beforeExpr),
|
||||
_switch: kw("switch"),
|
||||
_throw: kw("throw", beforeExpr),
|
||||
_try: kw("try"),
|
||||
_var: kw("var"),
|
||||
_const: kw("const"),
|
||||
_while: kw("while", {isLoop: true}),
|
||||
_with: kw("with"),
|
||||
_new: kw("new", {beforeExpr: true, startsExpr: true}),
|
||||
_this: kw("this", startsExpr),
|
||||
_super: kw("super", startsExpr),
|
||||
_class: kw("class", startsExpr),
|
||||
_extends: kw("extends", beforeExpr),
|
||||
_export: kw("export"),
|
||||
_import: kw("import", startsExpr),
|
||||
_null: kw("null", startsExpr),
|
||||
_true: kw("true", startsExpr),
|
||||
_false: kw("false", startsExpr),
|
||||
_in: kw("in", {beforeExpr: true, binop: 7}),
|
||||
_instanceof: kw("instanceof", {beforeExpr: true, binop: 7}),
|
||||
_typeof: kw("typeof", {beforeExpr: true, prefix: true, startsExpr: true}),
|
||||
_void: kw("void", {beforeExpr: true, prefix: true, startsExpr: true}),
|
||||
_delete: kw("delete", {beforeExpr: true, prefix: true, startsExpr: true})
|
||||
};
|
||||
|
||||
// Matches a whole line break (where CRLF is considered a single
|
||||
// line break). Used to count lines.
|
||||
|
||||
var lineBreak = /\r\n?|\n|\u2028|\u2029/;
|
||||
var lineBreakG = new RegExp(lineBreak.source, "g");
|
||||
|
||||
function isNewLine(code) {
|
||||
return code === 10 || code === 13 || code === 0x2028 || code === 0x2029
|
||||
}
|
||||
|
||||
function nextLineBreak(code, from, end) {
|
||||
if ( end === void 0 ) end = code.length;
|
||||
|
||||
for (var i = from; i < end; i++) {
|
||||
var next = code.charCodeAt(i);
|
||||
if (isNewLine(next))
|
||||
{ return i < end - 1 && next === 13 && code.charCodeAt(i + 1) === 10 ? i + 2 : i + 1 }
|
||||
}
|
||||
return -1
|
||||
}
|
||||
|
||||
var nonASCIIwhitespace = /[\u1680\u2000-\u200a\u202f\u205f\u3000\ufeff]/;
|
||||
|
||||
var skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g;
|
||||
|
||||
var ref = Object.prototype;
|
||||
var hasOwnProperty = ref.hasOwnProperty;
|
||||
var toString = ref.toString;
|
||||
|
||||
var hasOwn = Object.hasOwn || (function (obj, propName) { return (
|
||||
hasOwnProperty.call(obj, propName)
|
||||
); });
|
||||
|
||||
var isArray = Array.isArray || (function (obj) { return (
|
||||
toString.call(obj) === "[object Array]"
|
||||
); });
|
||||
|
||||
var regexpCache = Object.create(null);
|
||||
|
||||
function wordsRegexp(words) {
|
||||
return regexpCache[words] || (regexpCache[words] = new RegExp("^(?:" + words.replace(/ /g, "|") + ")$"))
|
||||
}
|
||||
|
||||
function codePointToString(code) {
|
||||
// UTF-16 Decoding
|
||||
if (code <= 0xFFFF) { return String.fromCharCode(code) }
|
||||
code -= 0x10000;
|
||||
return String.fromCharCode((code >> 10) + 0xD800, (code & 1023) + 0xDC00)
|
||||
}
|
||||
|
||||
var loneSurrogate = /(?:[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])/;
|
||||
|
||||
// These are used when `options.locations` is on, for the
|
||||
// `startLoc` and `endLoc` properties.
|
||||
|
||||
var Position = function Position(line, col) {
|
||||
this.line = line;
|
||||
this.column = col;
|
||||
};
|
||||
|
||||
Position.prototype.offset = function offset (n) {
|
||||
return new Position(this.line, this.column + n)
|
||||
};
|
||||
|
||||
var SourceLocation = function SourceLocation(p, start, end) {
|
||||
this.start = start;
|
||||
this.end = end;
|
||||
if (p.sourceFile !== null) { this.source = p.sourceFile; }
|
||||
};
|
||||
|
||||
// The `getLineInfo` function is mostly useful when the
|
||||
// `locations` option is off (for performance reasons) and you
|
||||
// want to find the line/column position for a given character
|
||||
// offset. `input` should be the code string that the offset refers
|
||||
// into.
|
||||
|
||||
function getLineInfo(input, offset) {
|
||||
for (var line = 1, cur = 0;;) {
|
||||
var nextBreak = nextLineBreak(input, cur, offset);
|
||||
if (nextBreak < 0) { return new Position(line, offset - cur) }
|
||||
++line;
|
||||
cur = nextBreak;
|
||||
}
|
||||
}
|
||||
|
||||
// A second argument must be given to configure the parser process.
|
||||
// These options are recognized (only `ecmaVersion` is required):
|
||||
|
||||
var defaultOptions = {
|
||||
// `ecmaVersion` indicates the ECMAScript version to parse. Must be
|
||||
// either 3, 5, 6 (or 2015), 7 (2016), 8 (2017), 9 (2018), 10
|
||||
// (2019), 11 (2020), 12 (2021), 13 (2022), 14 (2023), or `"latest"`
|
||||
// (the latest version the library supports). This influences
|
||||
// support for strict mode, the set of reserved words, and support
|
||||
// for new syntax features.
|
||||
ecmaVersion: null,
|
||||
// `sourceType` indicates the mode the code should be parsed in.
|
||||
// Can be either `"script"` or `"module"`. This influences global
|
||||
// strict mode and parsing of `import` and `export` declarations.
|
||||
sourceType: "script",
|
||||
// `onInsertedSemicolon` can be a callback that will be called when
|
||||
// a semicolon is automatically inserted. It will be passed the
|
||||
// position of the inserted semicolon as an offset, and if
|
||||
// `locations` is enabled, it is given the location as a `{line,
|
||||
// column}` object as second argument.
|
||||
onInsertedSemicolon: null,
|
||||
// `onTrailingComma` is similar to `onInsertedSemicolon`, but for
|
||||
// trailing commas.
|
||||
onTrailingComma: null,
|
||||
// By default, reserved words are only enforced if ecmaVersion >= 5.
|
||||
// Set `allowReserved` to a boolean value to explicitly turn this on
|
||||
// an off. When this option has the value "never", reserved words
|
||||
// and keywords can also not be used as property names.
|
||||
allowReserved: null,
|
||||
// When enabled, a return at the top level is not considered an
|
||||
// error.
|
||||
allowReturnOutsideFunction: false,
|
||||
// When enabled, import/export statements are not constrained to
|
||||
// appearing at the top of the program, and an import.meta expression
|
||||
// in a script isn't considered an error.
|
||||
allowImportExportEverywhere: false,
|
||||
// By default, await identifiers are allowed to appear at the top-level scope only if ecmaVersion >= 2022.
|
||||
// When enabled, await identifiers are allowed to appear at the top-level scope,
|
||||
// but they are still not allowed in non-async functions.
|
||||
allowAwaitOutsideFunction: null,
|
||||
// When enabled, super identifiers are not constrained to
|
||||
// appearing in methods and do not raise an error when they appear elsewhere.
|
||||
allowSuperOutsideMethod: null,
|
||||
// When enabled, hashbang directive in the beginning of file is
|
||||
// allowed and treated as a line comment. Enabled by default when
|
||||
// `ecmaVersion` >= 2023.
|
||||
allowHashBang: false,
|
||||
// By default, the parser will verify that private properties are
|
||||
// only used in places where they are valid and have been declared.
|
||||
// Set this to false to turn such checks off.
|
||||
checkPrivateFields: true,
|
||||
// When `locations` is on, `loc` properties holding objects with
|
||||
// `start` and `end` properties in `{line, column}` form (with
|
||||
// line being 1-based and column 0-based) will be attached to the
|
||||
// nodes.
|
||||
locations: false,
|
||||
// A function can be passed as `onToken` option, which will
|
||||
// cause Acorn to call that function with object in the same
|
||||
// format as tokens returned from `tokenizer().getToken()`. Note
|
||||
// that you are not allowed to call the parser from the
|
||||
// callback—that will corrupt its internal state.
|
||||
onToken: null,
|
||||
// A function can be passed as `onComment` option, which will
|
||||
// cause Acorn to call that function with `(block, text, start,
|
||||
// end)` parameters whenever a comment is skipped. `block` is a
|
||||
// boolean indicating whether this is a block (`/* */`) comment,
|
||||
// `text` is the content of the comment, and `start` and `end` are
|
||||
// character offsets that denote the start and end of the comment.
|
||||
// When the `locations` option is on, two more parameters are
|
||||
// passed, the full `{line, column}` locations of the start and
|
||||
// end of the comments. Note that you are not allowed to call the
|
||||
// parser from the callback—that will corrupt its internal state.
|
||||
// When this option has an array as value, objects representing the
|
||||
// comments are pushed to it.
|
||||
onComment: null,
|
||||
// Nodes have their start and end characters offsets recorded in
|
||||
// `start` and `end` properties (directly on the node, rather than
|
||||
// the `loc` object, which holds line/column data. To also add a
|
||||
// [semi-standardized][range] `range` property holding a `[start,
|
||||
// end]` array with the same numbers, set the `ranges` option to
|
||||
// `true`.
|
||||
//
|
||||
// [range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678
|
||||
ranges: false,
|
||||
// It is possible to parse multiple files into a single AST by
|
||||
// passing the tree produced by parsing the first file as
|
||||
// `program` option in subsequent parses. This will add the
|
||||
// toplevel forms of the parsed file to the `Program` (top) node
|
||||
// of an existing parse tree.
|
||||
program: null,
|
||||
// When `locations` is on, you can pass this to record the source
|
||||
// file in every node's `loc` object.
|
||||
sourceFile: null,
|
||||
// This value, if given, is stored in every node, whether
|
||||
// `locations` is on or off.
|
||||
directSourceFile: null,
|
||||
// When enabled, parenthesized expressions are represented by
|
||||
// (non-standard) ParenthesizedExpression nodes
|
||||
preserveParens: false
|
||||
};
|
||||
|
||||
// Interpret and default an options object
|
||||
|
||||
var warnedAboutEcmaVersion = false;
|
||||
|
||||
function getOptions(opts) {
|
||||
var options = {};
|
||||
|
||||
for (var opt in defaultOptions)
|
||||
{ options[opt] = opts && hasOwn(opts, opt) ? opts[opt] : defaultOptions[opt]; }
|
||||
|
||||
if (options.ecmaVersion === "latest") {
|
||||
options.ecmaVersion = 1e8;
|
||||
} else if (options.ecmaVersion == null) {
|
||||
if (!warnedAboutEcmaVersion && typeof console === "object" && console.warn) {
|
||||
warnedAboutEcmaVersion = true;
|
||||
console.warn("Since Acorn 8.0.0, options.ecmaVersion is required.\nDefaulting to 2020, but this will stop working in the future.");
|
||||
}
|
||||
options.ecmaVersion = 11;
|
||||
} else if (options.ecmaVersion >= 2015) {
|
||||
options.ecmaVersion -= 2009;
|
||||
}
|
||||
|
||||
if (options.allowReserved == null)
|
||||
{ options.allowReserved = options.ecmaVersion < 5; }
|
||||
|
||||
if (!opts || opts.allowHashBang == null)
|
||||
{ options.allowHashBang = options.ecmaVersion >= 14; }
|
||||
|
||||
if (isArray(options.onToken)) {
|
||||
var tokens = options.onToken;
|
||||
options.onToken = function (token) { return tokens.push(token); };
|
||||
}
|
||||
if (isArray(options.onComment))
|
||||
{ options.onComment = pushComment(options, options.onComment); }
|
||||
|
||||
return options
|
||||
}
|
||||
|
||||
function pushComment(options, array) {
|
||||
return function(block, text, start, end, startLoc, endLoc) {
|
||||
var comment = {
|
||||
type: block ? "Block" : "Line",
|
||||
value: text,
|
||||
start: start,
|
||||
end: end
|
||||
};
|
||||
if (options.locations)
|
||||
{ comment.loc = new SourceLocation(this, startLoc, endLoc); }
|
||||
if (options.ranges)
|
||||
{ comment.range = [start, end]; }
|
||||
array.push(comment);
|
||||
}
|
||||
}
|
||||
|
||||
// Each scope gets a bitset that may contain these flags
|
||||
var
|
||||
SCOPE_TOP = 1,
|
||||
SCOPE_FUNCTION = 2,
|
||||
SCOPE_ASYNC = 4,
|
||||
SCOPE_GENERATOR = 8,
|
||||
SCOPE_ARROW = 16,
|
||||
SCOPE_SIMPLE_CATCH = 32,
|
||||
SCOPE_SUPER = 64,
|
||||
SCOPE_DIRECT_SUPER = 128,
|
||||
SCOPE_CLASS_STATIC_BLOCK = 256,
|
||||
SCOPE_CLASS_FIELD_INIT = 512,
|
||||
SCOPE_VAR = SCOPE_TOP | SCOPE_FUNCTION | SCOPE_CLASS_STATIC_BLOCK;
|
||||
|
||||
function functionFlags(async, generator) {
|
||||
return SCOPE_FUNCTION | (async ? SCOPE_ASYNC : 0) | (generator ? SCOPE_GENERATOR : 0)
|
||||
}
|
||||
|
||||
// Used in checkLVal* and declareName to determine the type of a binding
|
||||
var
|
||||
BIND_NONE = 0, // Not a binding
|
||||
BIND_VAR = 1, // Var-style binding
|
||||
BIND_LEXICAL = 2, // Let- or const-style binding
|
||||
BIND_FUNCTION = 3, // Function declaration
|
||||
BIND_SIMPLE_CATCH = 4, // Simple (identifier pattern) catch binding
|
||||
BIND_OUTSIDE = 5; // Special case for function names as bound inside the function
|
||||
|
||||
var Parser = function Parser(options, input, startPos) {
|
||||
this.options = options = getOptions(options);
|
||||
this.sourceFile = options.sourceFile;
|
||||
this.keywords = wordsRegexp(keywords$1[options.ecmaVersion >= 6 ? 6 : options.sourceType === "module" ? "5module" : 5]);
|
||||
var reserved = "";
|
||||
if (options.allowReserved !== true) {
|
||||
reserved = reservedWords[options.ecmaVersion >= 6 ? 6 : options.ecmaVersion === 5 ? 5 : 3];
|
||||
if (options.sourceType === "module") { reserved += " await"; }
|
||||
}
|
||||
this.reservedWords = wordsRegexp(reserved);
|
||||
var reservedStrict = (reserved ? reserved + " " : "") + reservedWords.strict;
|
||||
this.reservedWordsStrict = wordsRegexp(reservedStrict);
|
||||
this.reservedWordsStrictBind = wordsRegexp(reservedStrict + " " + reservedWords.strictBind);
|
||||
this.input = String(input);
|
||||
|
||||
// Used to signal to callers of `readWord1` whether the word
|
||||
// contained any escape sequences. This is needed because words with
|
||||
// escape sequences must not be interpreted as keywords.
|
||||
this.containsEsc = false;
|
||||
|
||||
// Set up token state
|
||||
|
||||
// The current position of the tokenizer in the input.
|
||||
if (startPos) {
|
||||
this.pos = startPos;
|
||||
this.lineStart = this.input.lastIndexOf("\n", startPos - 1) + 1;
|
||||
this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length;
|
||||
} else {
|
||||
this.pos = this.lineStart = 0;
|
||||
this.curLine = 1;
|
||||
}
|
||||
|
||||
// Properties of the current token:
|
||||
// Its type
|
||||
this.type = types$1.eof;
|
||||
// For tokens that include more information than their type, the value
|
||||
this.value = null;
|
||||
// Its start and end offset
|
||||
this.start = this.end = this.pos;
|
||||
// And, if locations are used, the {line, column} object
|
||||
// corresponding to those offsets
|
||||
this.startLoc = this.endLoc = this.curPosition();
|
||||
|
||||
// Position information for the previous token
|
||||
this.lastTokEndLoc = this.lastTokStartLoc = null;
|
||||
this.lastTokStart = this.lastTokEnd = this.pos;
|
||||
|
||||
// The context stack is used to superficially track syntactic
|
||||
// context to predict whether a regular expression is allowed in a
|
||||
// given position.
|
||||
this.context = this.initialContext();
|
||||
this.exprAllowed = true;
|
||||
|
||||
// Figure out if it's a module code.
|
||||
this.inModule = options.sourceType === "module";
|
||||
this.strict = this.inModule || this.strictDirective(this.pos);
|
||||
|
||||
// Used to signify the start of a potential arrow function
|
||||
this.potentialArrowAt = -1;
|
||||
this.potentialArrowInForAwait = false;
|
||||
|
||||
// Positions to delayed-check that yield/await does not exist in default parameters.
|
||||
this.yieldPos = this.awaitPos = this.awaitIdentPos = 0;
|
||||
// Labels in scope.
|
||||
this.labels = [];
|
||||
// Thus-far undefined exports.
|
||||
this.undefinedExports = Object.create(null);
|
||||
|
||||
// If enabled, skip leading hashbang line.
|
||||
if (this.pos === 0 && options.allowHashBang && this.input.slice(0, 2) === "#!")
|
||||
{ this.skipLineComment(2); }
|
||||
|
||||
// Scope tracking for duplicate variable names (see scope.js)
|
||||
this.scopeStack = [];
|
||||
this.enterScope(SCOPE_TOP);
|
||||
|
||||
// For RegExp validation
|
||||
this.regexpState = null;
|
||||
|
||||
// The stack of private names.
|
||||
// Each element has two properties: 'declared' and 'used'.
|
||||
// When it exited from the outermost class definition, all used private names must be declared.
|
||||
this.privateNameStack = [];
|
||||
};
|
||||
|
||||
var prototypeAccessors = { inFunction: { configurable: true },inGenerator: { configurable: true },inAsync: { configurable: true },canAwait: { configurable: true },allowSuper: { configurable: true },allowDirectSuper: { configurable: true },treatFunctionsAsVar: { configurable: true },allowNewDotTarget: { configurable: true },inClassStaticBlock: { configurable: true } };
|
||||
|
||||
Parser.prototype.parse = function parse () {
|
||||
var node = this.options.program || this.startNode();
|
||||
this.nextToken();
|
||||
return this.parseTopLevel(node)
|
||||
};
|
||||
|
||||
prototypeAccessors.inFunction.get = function () { return (this.currentVarScope().flags & SCOPE_FUNCTION) > 0 };
|
||||
|
||||
prototypeAccessors.inGenerator.get = function () { return (this.currentVarScope().flags & SCOPE_GENERATOR) > 0 };
|
||||
|
||||
prototypeAccessors.inAsync.get = function () { return (this.currentVarScope().flags & SCOPE_ASYNC) > 0 };
|
||||
|
||||
prototypeAccessors.canAwait.get = function () {
|
||||
for (var i = this.scopeStack.length - 1; i >= 0; i--) {
|
||||
var ref = this.scopeStack[i];
|
||||
var flags = ref.flags;
|
||||
if (flags & (SCOPE_CLASS_STATIC_BLOCK | SCOPE_CLASS_FIELD_INIT)) { return false }
|
||||
if (flags & SCOPE_FUNCTION) { return (flags & SCOPE_ASYNC) > 0 }
|
||||
}
|
||||
return (this.inModule && this.options.ecmaVersion >= 13) || this.options.allowAwaitOutsideFunction
|
||||
};
|
||||
|
||||
prototypeAccessors.allowSuper.get = function () {
|
||||
var ref = this.currentThisScope();
|
||||
var flags = ref.flags;
|
||||
return (flags & SCOPE_SUPER) > 0 || this.options.allowSuperOutsideMethod
|
||||
};
|
||||
|
||||
prototypeAccessors.allowDirectSuper.get = function () { return (this.currentThisScope().flags & SCOPE_DIRECT_SUPER) > 0 };
|
||||
|
||||
prototypeAccessors.treatFunctionsAsVar.get = function () { return this.treatFunctionsAsVarInScope(this.currentScope()) };
|
||||
|
||||
prototypeAccessors.allowNewDotTarget.get = function () {
|
||||
for (var i = this.scopeStack.length - 1; i >= 0; i--) {
|
||||
var ref = this.scopeStack[i];
|
||||
var flags = ref.flags;
|
||||
if (flags & (SCOPE_CLASS_STATIC_BLOCK | SCOPE_CLASS_FIELD_INIT) ||
|
||||
((flags & SCOPE_FUNCTION) && !(flags & SCOPE_ARROW))) { return true }
|
||||
}
|
||||
return false
|
||||
};
|
||||
|
||||
prototypeAccessors.inClassStaticBlock.get = function () {
|
||||
return (this.currentVarScope().flags & SCOPE_CLASS_STATIC_BLOCK) > 0
|
||||
};
|
||||
|
||||
Parser.extend = function extend () {
|
||||
var plugins = [], len = arguments.length;
|
||||
while ( len-- ) plugins[ len ] = arguments[ len ];
|
||||
|
||||
var cls = this;
|
||||
for (var i = 0; i < plugins.length; i++) { cls = plugins[i](cls); }
|
||||
return cls
|
||||
};
|
||||
|
||||
Parser.parse = function parse (input, options) {
|
||||
return new this(options, input).parse()
|
||||
};
|
||||
|
||||
Parser.parseExpressionAt = function parseExpressionAt (input, pos, options) {
|
||||
var parser = new this(options, input, pos);
|
||||
parser.nextToken();
|
||||
return parser.parseExpression()
|
||||
};
|
||||
|
||||
Parser.tokenizer = function tokenizer (input, options) {
|
||||
return new this(options, input)
|
||||
};
|
||||
|
||||
Object.defineProperties( Parser.prototype, prototypeAccessors );
|
||||
|
||||
var pp$9 = Parser.prototype;
|
||||
|
||||
// ## Parser utilities
|
||||
|
||||
var literal = /^(?:'((?:\\[^]|[^'\\])*?)'|"((?:\\[^]|[^"\\])*?)")/;
|
||||
pp$9.strictDirective = function(start) {
|
||||
if (this.options.ecmaVersion < 5) { return false }
|
||||
for (;;) {
|
||||
// Try to find string literal.
|
||||
skipWhiteSpace.lastIndex = start;
|
||||
start += skipWhiteSpace.exec(this.input)[0].length;
|
||||
var match = literal.exec(this.input.slice(start));
|
||||
if (!match) { return false }
|
||||
if ((match[1] || match[2]) === "use strict") {
|
||||
skipWhiteSpace.lastIndex = start + match[0].length;
|
||||
var spaceAfter = skipWhiteSpace.exec(this.input), end = spaceAfter.index + spaceAfter[0].length;
|
||||
var next = this.input.charAt(end);
|
||||
return next === ";" || next === "}" ||
|
||||
(lineBreak.test(spaceAfter[0]) &&
|
||||
!(/[(`.[+\-/*%<>=,?^&]/.test(next) || next === "!" && this.input.charAt(end + 1) === "="))
|
||||
}
|
||||
start += match[0].length;
|
||||
|
||||
// Skip semicolon, if any.
|
||||
skipWhiteSpace.lastIndex = start;
|
||||
start += skipWhiteSpace.exec(this.input)[0].length;
|
||||
if (this.input[start] === ";")
|
||||
{ start++; }
|
||||
}
|
||||
};
|
||||
|
||||
// Predicate that tests whether the next token is of the given
|
||||
// type, and if yes, consumes it as a side effect.
|
||||
|
||||
pp$9.eat = function(type) {
|
||||
if (this.type === type) {
|
||||
this.next();
|
||||
return true
|
||||
} else {
|
||||
return false
|
||||
}
|
||||
};
|
||||
|
||||
// Tests whether parsed token is a contextual keyword.
|
||||
|
||||
pp$9.isContextual = function(name) {
|
||||
return this.type === types$1.name && this.value === name && !this.containsEsc
|
||||
};
|
||||
|
||||
// Consumes contextual keyword if possible.
|
||||
|
||||
pp$9.eatContextual = function(name) {
|
||||
if (!this.isContextual(name)) { return false }
|
||||
this.next();
|
||||
return true
|
||||
};
|
||||
|
||||
// Asserts that following token is given contextual keyword.
|
||||
|
||||
pp$9.expectContextual = function(name) {
|
||||
if (!this.eatContextual(name)) { this.unexpected(); }
|
||||
};
|
||||
|
||||
// Test whether a semicolon can be inserted at the current position.
|
||||
|
||||
pp$9.canInsertSemicolon = function() {
|
||||
return this.type === types$1.eof ||
|
||||
this.type === types$1.braceR ||
|
||||
lineBreak.test(this.input.slice(this.lastTokEnd, this.start))
|
||||
};
|
||||
|
||||
pp$9.insertSemicolon = function() {
|
||||
if (this.canInsertSemicolon()) {
|
||||
if (this.options.onInsertedSemicolon)
|
||||
{ this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc); }
|
||||
return true
|
||||
}
|
||||
};
|
||||
|
||||
// Consume a semicolon, or, failing that, see if we are allowed to
|
||||
// pretend that there is a semicolon at this position.
|
||||
|
||||
pp$9.semicolon = function() {
|
||||
if (!this.eat(types$1.semi) && !this.insertSemicolon()) { this.unexpected(); }
|
||||
};
|
||||
|
||||
pp$9.afterTrailingComma = function(tokType, notNext) {
|
||||
if (this.type === tokType) {
|
||||
if (this.options.onTrailingComma)
|
||||
{ this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc); }
|
||||
if (!notNext)
|
||||
{ this.next(); }
|
||||
return true
|
||||
}
|
||||
};
|
||||
|
||||
// Expect a token of a given type. If found, consume it, otherwise,
|
||||
// raise an unexpected token error.
|
||||
|
||||
pp$9.expect = function(type) {
|
||||
this.eat(type) || this.unexpected();
|
||||
};
|
||||
|
||||
// Raise an unexpected token error.
|
||||
|
||||
pp$9.unexpected = function(pos) {
|
||||
this.raise(pos != null ? pos : this.start, "Unexpected token");
|
||||
};
|
||||
|
||||
var DestructuringErrors = function DestructuringErrors() {
|
||||
this.shorthandAssign =
|
||||
this.trailingComma =
|
||||
this.parenthesizedAssign =
|
||||
this.parenthesizedBind =
|
||||
this.doubleProto =
|
||||
-1;
|
||||
};
|
||||
|
||||
pp$9.checkPatternErrors = function(refDestructuringErrors, isAssign) {
|
||||
if (!refDestructuringErrors) { return }
|
||||
if (refDestructuringErrors.trailingComma > -1)
|
||||
{ this.raiseRecoverable(refDestructuringErrors.trailingComma, "Comma is not permitted after the rest element"); }
|
||||
var parens = isAssign ? refDestructuringErrors.parenthesizedAssign : refDestructuringErrors.parenthesizedBind;
|
||||
if (parens > -1) { this.raiseRecoverable(parens, isAssign ? "Assigning to rvalue" : "Parenthesized pattern"); }
|
||||
};
|
||||
|
||||
pp$9.checkExpressionErrors = function(refDestructuringErrors, andThrow) {
|
||||
if (!refDestructuringErrors) { return false }
|
||||
var shorthandAssign = refDestructuringErrors.shorthandAssign;
|
||||
var doubleProto = refDestructuringErrors.doubleProto;
|
||||
if (!andThrow) { return shorthandAssign >= 0 || doubleProto >= 0 }
|
||||
if (shorthandAssign >= 0)
|
||||
{ this.raise(shorthandAssign, "Shorthand property assignments are valid only in destructuring patterns"); }
|
||||
if (doubleProto >= 0)
|
||||
{ this.raiseRecoverable(doubleProto, "Redefinition of __proto__ property"); }
|
||||
};
|
||||
|
||||
pp$9.checkYieldAwaitInDefaultParams = function() {
|
||||
if (this.yieldPos && (!this.awaitPos || this.yieldPos < this.awaitPos))
|
||||
{ this.raise(this.yieldPos, "Yield expression cannot be a default value"); }
|
||||
if (this.awaitPos)
|
||||
{ this.raise(this.awaitPos, "Await expression cannot be a default value"); }
|
||||
};
|
||||
|
||||
pp$9.isSimpleAssignTarget = function(expr) {
|
||||
if (expr.type === "ParenthesizedExpression")
|
||||
{ return this.isSimpleAssignTarget(expr.expression) }
|
||||
return expr.type === "Identifier" || expr.type === "MemberExpression"
|
||||
};
|
||||
|
||||
var pp$8 = Parser.prototype;
|
||||
|
||||
// ### Statement parsing
|
||||
|
||||
// Parse a program. Initializes the parser, reads any number of
|
||||
// statements, and wraps them in a Program node. Optionally takes a
|
||||
// `program` argument. If present, the statements will be appended
|
||||
// to its body instead of creating a new node.
|
||||
|
||||
pp$8.parseTopLevel = function(node) {
|
||||
var exports = Object.create(null);
|
||||
if (!node.body) { node.body = []; }
|
||||
while (this.type !== types$1.eof) {
|
||||
var stmt = this.parseStatement(null, true, exports);
|
||||
node.body.push(stmt);
|
||||
}
|
||||
if (this.inModule)
|
||||
{ for (var i = 0, list = Object.keys(this.undefinedExports); i < list.length; i += 1)
|
||||
{
|
||||
var name = list[i];
|
||||
|
||||
this.raiseRecoverable(this.undefinedExports[name].start, ("Export '" + name + "' is not defined"));
|
||||
} }
|
||||
this.adaptDirectivePrologue(node.body);
|
||||
this.next();
|
||||
node.sourceType = this.options.sourceType;
|
||||
return this.finishNode(node, "Program")
|
||||
};
|
||||
|
||||
var loopLabel = {kind: "loop"}, switchLabel = {kind: "switch"};
|
||||
|
||||
pp$8.isLet = function(context) {
|
||||
if (this.options.ecmaVersion < 6 || !this.isContextual("let")) { return false }
|
||||
skipWhiteSpace.lastIndex = this.pos;
|
||||
var skip = skipWhiteSpace.exec(this.input);
|
||||
var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next);
|
||||
// For ambiguous cases, determine if a LexicalDeclaration (or only a
|
||||
// Statement) is allowed here. If context is not empty then only a Statement
|
||||
// is allowed. However, `let [` is an explicit negative lookahead for
|
||||
// ExpressionStatement, so special-case it first.
|
||||
if (nextCh === 91 || nextCh === 92) { return true } // '[', '\'
|
||||
if (context) { return false }
|
||||
|
||||
if (nextCh === 123 || nextCh > 0xd7ff && nextCh < 0xdc00) { return true } // '{', astral
|
||||
if (isIdentifierStart(nextCh, true)) {
|
||||
var pos = next + 1;
|
||||
while (isIdentifierChar(nextCh = this.input.charCodeAt(pos), true)) { ++pos; }
|
||||
if (nextCh === 92 || nextCh > 0xd7ff && nextCh < 0xdc00) { return true }
|
||||
var ident = this.input.slice(next, pos);
|
||||
if (!keywordRelationalOperator.test(ident)) { return true }
|
||||
}
|
||||
return false
|
||||
};
|
||||
|
||||
// check 'async [no LineTerminator here] function'
|
||||
// - 'async /*foo*/ function' is OK.
|
||||
// - 'async /*\n*/ function' is invalid.
|
||||
pp$8.isAsyncFunction = function() {
|
||||
if (this.options.ecmaVersion < 8 || !this.isContextual("async"))
|
||||
{ return false }
|
||||
|
||||
skipWhiteSpace.lastIndex = this.pos;
|
||||
var skip = skipWhiteSpace.exec(this.input);
|
||||
var next = this.pos + skip[0].length, after;
|
||||
return !lineBreak.test(this.input.slice(this.pos, next)) &&
|
||||
this.input.slice(next, next + 8) === "function" &&
|
||||
(next + 8 === this.input.length ||
|
||||
!(isIdentifierChar(after = this.input.charCodeAt(next + 8)) || after > 0xd7ff && after < 0xdc00))
|
||||
};
|
||||
|
||||
pp$8.isUsingKeyword = function(isAwaitUsing, isFor) {
|
||||
if (this.options.ecmaVersion < 17 || !this.isContextual(isAwaitUsing ? "await" : "using"))
|
||||
{ return false }
|
||||
|
||||
skipWhiteSpace.lastIndex = this.pos;
|
||||
var skip = skipWhiteSpace.exec(this.input);
|
||||
var next = this.pos + skip[0].length;
|
||||
|
||||
if (lineBreak.test(this.input.slice(this.pos, next))) { return false }
|
||||
|
||||
if (isAwaitUsing) {
|
||||
var awaitEndPos = next + 5 /* await */, after;
|
||||
if (this.input.slice(next, awaitEndPos) !== "using" ||
|
||||
awaitEndPos === this.input.length ||
|
||||
isIdentifierChar(a
|
||||
Reference in New Issue
Block a user