1 | (function (global, factory) {
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2 | typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
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3 | typeof define === 'function' && define.amd ? define(['exports'], factory) :
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4 | (factory((global.acorn = {})));
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5 | }(this, (function (exports) { 'use strict';
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6 |
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7 |
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8 |
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9 | var reservedWords = {
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10 | 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",
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11 | 5: "class enum extends super const export import",
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12 | 6: "enum",
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13 | strict: "implements interface let package private protected public static yield",
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14 | strictBind: "eval arguments"
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15 | };
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16 |
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17 |
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18 |
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19 | 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";
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20 |
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21 | var keywords = {
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22 | 5: ecma5AndLessKeywords,
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23 | 6: ecma5AndLessKeywords + " const class extends export import super"
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24 | };
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25 |
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26 | var keywordRelationalOperator = /^in(stanceof)?$/;
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27 |
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28 |
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29 |
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30 |
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31 |
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32 |
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33 |
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34 |
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35 |
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36 | 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\u0561-\u0587\u05d0-\u05ea\u05f0-\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\u08a0-\u08b4\u08b6-\u08bd\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\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d05-\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\u0e87\u0e88\u0e8a\u0e8d\u0e94-\u0e97\u0e99-\u0e9f\u0ea1-\u0ea3\u0ea5\u0ea7\u0eaa\u0eab\u0ead-\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-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1877\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c88\u1ce9-\u1cec\u1cee-\u1cf1\u1cf5\u1cf6\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-\u2c2e\u2c30-\u2c5e\u2c60-\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-\u312e\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fea\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7ae\ua7b0-\ua7b7\ua7f7-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\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-\uab65\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";
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37 | 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\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u08d4-\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\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\u0b56\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c03\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\u0d00-\u0d03\u0d3b\u0d3c\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d82\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\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-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u1810-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\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\u1cf2-\u1cf4\u1cf7-\u1cf9\u1dc0-\u1df9\u1dfb-\u1dff\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua620-\ua629\ua66f\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9\ua8e0-\ua8f1\ua900-\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";
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38 |
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39 | var nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]");
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40 | var nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]");
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41 |
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42 | nonASCIIidentifierStartChars = nonASCIIidentifierChars = null;
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43 |
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44 |
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45 |
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46 |
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47 |
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48 |
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49 |
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50 |
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51 | var astralIdentifierStartCodes = [0,11,2,25,2,18,2,1,2,14,3,13,35,122,70,52,268,28,4,48,48,31,14,29,6,37,11,29,3,35,5,7,2,4,43,157,19,35,5,35,5,39,9,51,157,310,10,21,11,7,153,5,3,0,2,43,2,1,4,0,3,22,11,22,10,30,66,18,2,1,11,21,11,25,71,55,7,1,65,0,16,3,2,2,2,26,45,28,4,28,36,7,2,27,28,53,11,21,11,18,14,17,111,72,56,50,14,50,785,52,76,44,33,24,27,35,42,34,4,0,13,47,15,3,22,0,2,0,36,17,2,24,85,6,2,0,2,3,2,14,2,9,8,46,39,7,3,1,3,21,2,6,2,1,2,4,4,0,19,0,13,4,159,52,19,3,54,47,21,1,2,0,185,46,42,3,37,47,21,0,60,42,86,25,391,63,32,0,257,0,11,39,8,0,22,0,12,39,3,3,55,56,264,8,2,36,18,0,50,29,113,6,2,1,2,37,22,0,698,921,103,110,18,195,2749,1070,4050,582,8634,568,8,30,114,29,19,47,17,3,32,20,6,18,881,68,12,0,67,12,65,1,31,6124,20,754,9486,286,82,395,2309,106,6,12,4,8,8,9,5991,84,2,70,2,1,3,0,3,1,3,3,2,11,2,0,2,6,2,64,2,3,3,7,2,6,2,27,2,3,2,4,2,0,4,6,2,339,3,24,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,7,4149,196,60,67,1213,3,2,26,2,1,2,0,3,0,2,9,2,3,2,0,2,0,7,0,5,0,2,0,2,0,2,2,2,1,2,0,3,0,2,0,2,0,2,0,2,0,2,1,2,0,3,3,2,6,2,3,2,3,2,0,2,9,2,16,6,2,2,4,2,16,4421,42710,42,4148,12,221,3,5761,15,7472,3104,541];
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52 |
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53 |
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54 | var astralIdentifierCodes = [509,0,227,0,150,4,294,9,1368,2,2,1,6,3,41,2,5,0,166,1,1306,2,54,14,32,9,16,3,46,10,54,9,7,2,37,13,2,9,52,0,13,2,49,13,10,2,4,9,83,11,7,0,161,11,6,9,7,3,57,0,2,6,3,1,3,2,10,0,11,1,3,6,4,4,193,17,10,9,87,19,13,9,214,6,3,8,28,1,83,16,16,9,82,12,9,9,84,14,5,9,423,9,280,9,41,6,2,3,9,0,10,10,47,15,406,7,2,7,17,9,57,21,2,13,123,5,4,0,2,1,2,6,2,0,9,9,19719,9,135,4,60,6,26,9,1016,45,17,3,19723,1,5319,4,4,5,9,7,3,6,31,3,149,2,1418,49,513,54,5,49,9,0,15,0,23,4,2,14,1361,6,2,16,3,6,2,1,2,4,2214,6,110,6,6,9,792487,239];
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55 |
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56 |
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57 |
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58 |
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59 | function isInAstralSet(code, set) {
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60 | var pos = 0x10000;
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61 | for (var i = 0; i < set.length; i += 2) {
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62 | pos += set[i];
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63 | if (pos > code) { return false }
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64 | pos += set[i + 1];
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65 | if (pos >= code) { return true }
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66 | }
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67 | }
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68 |
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69 |
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70 |
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71 | function isIdentifierStart(code, astral) {
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72 | if (code < 65) { return code === 36 }
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73 | if (code < 91) { return true }
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74 | if (code < 97) { return code === 95 }
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75 | if (code < 123) { return true }
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76 | if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code)) }
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77 | if (astral === false) { return false }
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78 | return isInAstralSet(code, astralIdentifierStartCodes)
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79 | }
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80 |
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81 |
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82 |
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83 | function isIdentifierChar(code, astral) {
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84 | if (code < 48) { return code === 36 }
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85 | if (code < 58) { return true }
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86 | if (code < 65) { return false }
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87 | if (code < 91) { return true }
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88 | if (code < 97) { return code === 95 }
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89 | if (code < 123) { return true }
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90 | if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code)) }
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91 | if (astral === false) { return false }
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92 | return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes)
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93 | }
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94 |
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95 |
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96 |
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97 |
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98 |
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99 |
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100 |
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101 |
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102 |
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103 |
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104 |
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105 |
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106 |
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107 |
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108 |
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109 |
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110 |
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111 |
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112 |
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113 |
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114 |
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115 |
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116 |
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117 |
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118 | var TokenType = function TokenType(label, conf) {
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119 | if ( conf === void 0 ) conf = {};
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120 |
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121 | this.label = label;
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122 | this.keyword = conf.keyword;
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123 | this.beforeExpr = !!conf.beforeExpr;
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124 | this.startsExpr = !!conf.startsExpr;
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125 | this.isLoop = !!conf.isLoop;
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126 | this.isAssign = !!conf.isAssign;
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127 | this.prefix = !!conf.prefix;
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128 | this.postfix = !!conf.postfix;
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129 | this.binop = conf.binop || null;
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130 | this.updateContext = null;
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131 | };
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132 |
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133 | function binop(name, prec) {
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134 | return new TokenType(name, {beforeExpr: true, binop: prec})
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135 | }
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136 | var beforeExpr = {beforeExpr: true};
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137 | var startsExpr = {startsExpr: true};
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138 |
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139 |
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140 |
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141 | var keywords$1 = {};
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142 |
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143 |
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144 | function kw(name, options) {
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145 | if ( options === void 0 ) options = {};
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146 |
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147 | options.keyword = name;
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148 | return keywords$1[name] = new TokenType(name, options)
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149 | }
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150 |
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151 | var types = {
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152 | num: new TokenType("num", startsExpr),
|
153 | regexp: new TokenType("regexp", startsExpr),
|
154 | string: new TokenType("string", startsExpr),
|
155 | name: new TokenType("name", startsExpr),
|
156 | eof: new TokenType("eof"),
|
157 |
|
158 |
|
159 | bracketL: new TokenType("[", {beforeExpr: true, startsExpr: true}),
|
160 | bracketR: new TokenType("]"),
|
161 | braceL: new TokenType("{", {beforeExpr: true, startsExpr: true}),
|
162 | braceR: new TokenType("}"),
|
163 | parenL: new TokenType("(", {beforeExpr: true, startsExpr: true}),
|
164 | parenR: new TokenType(")"),
|
165 | comma: new TokenType(",", beforeExpr),
|
166 | semi: new TokenType(";", beforeExpr),
|
167 | colon: new TokenType(":", beforeExpr),
|
168 | dot: new TokenType("."),
|
169 | question: new TokenType("?", beforeExpr),
|
170 | arrow: new TokenType("=>", beforeExpr),
|
171 | template: new TokenType("template"),
|
172 | invalidTemplate: new TokenType("invalidTemplate"),
|
173 | ellipsis: new TokenType("...", beforeExpr),
|
174 | backQuote: new TokenType("`", startsExpr),
|
175 | dollarBraceL: new TokenType("${", {beforeExpr: true, startsExpr: true}),
|
176 |
|
177 |
|
178 |
|
179 |
|
180 |
|
181 |
|
182 |
|
183 |
|
184 |
|
185 |
|
186 |
|
187 |
|
188 |
|
189 |
|
190 |
|
191 | eq: new TokenType("=", {beforeExpr: true, isAssign: true}),
|
192 | assign: new TokenType("_=", {beforeExpr: true, isAssign: true}),
|
193 | incDec: new TokenType("++/--", {prefix: true, postfix: true, startsExpr: true}),
|
194 | prefix: new TokenType("!/~", {beforeExpr: true, prefix: true, startsExpr: true}),
|
195 | logicalOR: binop("||", 1),
|
196 | logicalAND: binop("&&", 2),
|
197 | bitwiseOR: binop("|", 3),
|
198 | bitwiseXOR: binop("^", 4),
|
199 | bitwiseAND: binop("&", 5),
|
200 | equality: binop("==/!=/===/!==", 6),
|
201 | relational: binop("</>/<=/>=", 7),
|
202 | bitShift: binop("<</>>/>>>", 8),
|
203 | plusMin: new TokenType("+/-", {beforeExpr: true, binop: 9, prefix: true, startsExpr: true}),
|
204 | modulo: binop("%", 10),
|
205 | star: binop("*", 10),
|
206 | slash: binop("/", 10),
|
207 | starstar: new TokenType("**", {beforeExpr: true}),
|
208 |
|
209 |
|
210 | _break: kw("break"),
|
211 | _case: kw("case", beforeExpr),
|
212 | _catch: kw("catch"),
|
213 | _continue: kw("continue"),
|
214 | _debugger: kw("debugger"),
|
215 | _default: kw("default", beforeExpr),
|
216 | _do: kw("do", {isLoop: true, beforeExpr: true}),
|
217 | _else: kw("else", beforeExpr),
|
218 | _finally: kw("finally"),
|
219 | _for: kw("for", {isLoop: true}),
|
220 | _function: kw("function", startsExpr),
|
221 | _if: kw("if"),
|
222 | _return: kw("return", beforeExpr),
|
223 | _switch: kw("switch"),
|
224 | _throw: kw("throw", beforeExpr),
|
225 | _try: kw("try"),
|
226 | _var: kw("var"),
|
227 | _const: kw("const"),
|
228 | _while: kw("while", {isLoop: true}),
|
229 | _with: kw("with"),
|
230 | _new: kw("new", {beforeExpr: true, startsExpr: true}),
|
231 | _this: kw("this", startsExpr),
|
232 | _super: kw("super", startsExpr),
|
233 | _class: kw("class", startsExpr),
|
234 | _extends: kw("extends", beforeExpr),
|
235 | _export: kw("export"),
|
236 | _import: kw("import"),
|
237 | _null: kw("null", startsExpr),
|
238 | _true: kw("true", startsExpr),
|
239 | _false: kw("false", startsExpr),
|
240 | _in: kw("in", {beforeExpr: true, binop: 7}),
|
241 | _instanceof: kw("instanceof", {beforeExpr: true, binop: 7}),
|
242 | _typeof: kw("typeof", {beforeExpr: true, prefix: true, startsExpr: true}),
|
243 | _void: kw("void", {beforeExpr: true, prefix: true, startsExpr: true}),
|
244 | _delete: kw("delete", {beforeExpr: true, prefix: true, startsExpr: true})
|
245 | };
|
246 |
|
247 |
|
248 |
|
249 |
|
250 | var lineBreak = /\r\n?|\n|\u2028|\u2029/;
|
251 | var lineBreakG = new RegExp(lineBreak.source, "g");
|
252 |
|
253 | function isNewLine(code) {
|
254 | return code === 10 || code === 13 || code === 0x2028 || code === 0x2029
|
255 | }
|
256 |
|
257 | var nonASCIIwhitespace = /[\u1680\u180e\u2000-\u200a\u202f\u205f\u3000\ufeff]/;
|
258 |
|
259 | var skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g;
|
260 |
|
261 | var ref = Object.prototype;
|
262 | var hasOwnProperty = ref.hasOwnProperty;
|
263 | var toString = ref.toString;
|
264 |
|
265 |
|
266 |
|
267 | function has(obj, propName) {
|
268 | return hasOwnProperty.call(obj, propName)
|
269 | }
|
270 |
|
271 | var isArray = Array.isArray || (function (obj) { return (
|
272 | toString.call(obj) === "[object Array]"
|
273 | ); });
|
274 |
|
275 |
|
276 |
|
277 |
|
278 | var Position = function Position(line, col) {
|
279 | this.line = line;
|
280 | this.column = col;
|
281 | };
|
282 |
|
283 | Position.prototype.offset = function offset (n) {
|
284 | return new Position(this.line, this.column + n)
|
285 | };
|
286 |
|
287 | var SourceLocation = function SourceLocation(p, start, end) {
|
288 | this.start = start;
|
289 | this.end = end;
|
290 | if (p.sourceFile !== null) { this.source = p.sourceFile; }
|
291 | };
|
292 |
|
293 |
|
294 |
|
295 |
|
296 |
|
297 |
|
298 |
|
299 | function getLineInfo(input, offset) {
|
300 | for (var line = 1, cur = 0;;) {
|
301 | lineBreakG.lastIndex = cur;
|
302 | var match = lineBreakG.exec(input);
|
303 | if (match && match.index < offset) {
|
304 | ++line;
|
305 | cur = match.index + match[0].length;
|
306 | } else {
|
307 | return new Position(line, offset - cur)
|
308 | }
|
309 | }
|
310 | }
|
311 |
|
312 |
|
313 |
|
314 |
|
315 | var defaultOptions = {
|
316 |
|
317 |
|
318 |
|
319 |
|
320 | ecmaVersion: 7,
|
321 |
|
322 |
|
323 |
|
324 | sourceType: "script",
|
325 |
|
326 |
|
327 |
|
328 |
|
329 |
|
330 | onInsertedSemicolon: null,
|
331 |
|
332 |
|
333 | onTrailingComma: null,
|
334 |
|
335 |
|
336 |
|
337 |
|
338 | allowReserved: null,
|
339 |
|
340 |
|
341 | allowReturnOutsideFunction: false,
|
342 |
|
343 |
|
344 | allowImportExportEverywhere: false,
|
345 |
|
346 |
|
347 | allowHashBang: false,
|
348 |
|
349 |
|
350 |
|
351 |
|
352 | locations: false,
|
353 |
|
354 |
|
355 |
|
356 |
|
357 |
|
358 | onToken: null,
|
359 |
|
360 |
|
361 |
|
362 |
|
363 |
|
364 |
|
365 |
|
366 |
|
367 |
|
368 |
|
369 | onComment: null,
|
370 |
|
371 |
|
372 |
|
373 |
|
374 |
|
375 |
|
376 |
|
377 |
|
378 | ranges: false,
|
379 |
|
380 |
|
381 |
|
382 |
|
383 |
|
384 | program: null,
|
385 |
|
386 |
|
387 | sourceFile: null,
|
388 |
|
389 |
|
390 | directSourceFile: null,
|
391 |
|
392 |
|
393 | preserveParens: false,
|
394 | plugins: {}
|
395 | };
|
396 |
|
397 |
|
398 |
|
399 | function getOptions(opts) {
|
400 | var options = {};
|
401 |
|
402 | for (var opt in defaultOptions)
|
403 | { options[opt] = opts && has(opts, opt) ? opts[opt] : defaultOptions[opt]; }
|
404 |
|
405 | if (options.ecmaVersion >= 2015)
|
406 | { options.ecmaVersion -= 2009; }
|
407 |
|
408 | if (options.allowReserved == null)
|
409 | { options.allowReserved = options.ecmaVersion < 5; }
|
410 |
|
411 | if (isArray(options.onToken)) {
|
412 | var tokens = options.onToken;
|
413 | options.onToken = function (token) { return tokens.push(token); };
|
414 | }
|
415 | if (isArray(options.onComment))
|
416 | { options.onComment = pushComment(options, options.onComment); }
|
417 |
|
418 | return options
|
419 | }
|
420 |
|
421 | function pushComment(options, array) {
|
422 | return function(block, text, start, end, startLoc, endLoc) {
|
423 | var comment = {
|
424 | type: block ? "Block" : "Line",
|
425 | value: text,
|
426 | start: start,
|
427 | end: end
|
428 | };
|
429 | if (options.locations)
|
430 | { comment.loc = new SourceLocation(this, startLoc, endLoc); }
|
431 | if (options.ranges)
|
432 | { comment.range = [start, end]; }
|
433 | array.push(comment);
|
434 | }
|
435 | }
|
436 |
|
437 |
|
438 | var plugins = {};
|
439 |
|
440 | function keywordRegexp(words) {
|
441 | return new RegExp("^(?:" + words.replace(/ /g, "|") + ")$")
|
442 | }
|
443 |
|
444 | var Parser = function Parser(options, input, startPos) {
|
445 | this.options = options = getOptions(options);
|
446 | this.sourceFile = options.sourceFile;
|
447 | this.keywords = keywordRegexp(keywords[options.ecmaVersion >= 6 ? 6 : 5]);
|
448 | var reserved = "";
|
449 | if (!options.allowReserved) {
|
450 | for (var v = options.ecmaVersion;; v--)
|
451 | { if (reserved = reservedWords[v]) { break } }
|
452 | if (options.sourceType == "module") { reserved += " await"; }
|
453 | }
|
454 | this.reservedWords = keywordRegexp(reserved);
|
455 | var reservedStrict = (reserved ? reserved + " " : "") + reservedWords.strict;
|
456 | this.reservedWordsStrict = keywordRegexp(reservedStrict);
|
457 | this.reservedWordsStrictBind = keywordRegexp(reservedStrict + " " + reservedWords.strictBind);
|
458 | this.input = String(input);
|
459 |
|
460 |
|
461 |
|
462 |
|
463 | this.containsEsc = false;
|
464 |
|
465 |
|
466 | this.loadPlugins(options.plugins);
|
467 |
|
468 |
|
469 |
|
470 |
|
471 | if (startPos) {
|
472 | this.pos = startPos;
|
473 | this.lineStart = this.input.lastIndexOf("\n", startPos - 1) + 1;
|
474 | this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length;
|
475 | } else {
|
476 | this.pos = this.lineStart = 0;
|
477 | this.curLine = 1;
|
478 | }
|
479 |
|
480 |
|
481 |
|
482 | this.type = types.eof;
|
483 |
|
484 | this.value = null;
|
485 |
|
486 | this.start = this.end = this.pos;
|
487 |
|
488 |
|
489 | this.startLoc = this.endLoc = this.curPosition();
|
490 |
|
491 |
|
492 | this.lastTokEndLoc = this.lastTokStartLoc = null;
|
493 | this.lastTokStart = this.lastTokEnd = this.pos;
|
494 |
|
495 |
|
496 |
|
497 |
|
498 | this.context = this.initialContext();
|
499 | this.exprAllowed = true;
|
500 |
|
501 |
|
502 | this.inModule = options.sourceType === "module";
|
503 | this.strict = this.inModule || this.strictDirective(this.pos);
|
504 |
|
505 |
|
506 | this.potentialArrowAt = -1;
|
507 |
|
508 |
|
509 | this.inFunction = this.inGenerator = this.inAsync = false;
|
510 |
|
511 | this.yieldPos = this.awaitPos = 0;
|
512 |
|
513 | this.labels = [];
|
514 |
|
515 |
|
516 | if (this.pos === 0 && options.allowHashBang && this.input.slice(0, 2) === "#!")
|
517 | { this.skipLineComment(2); }
|
518 |
|
519 |
|
520 | this.scopeStack = [];
|
521 | this.enterFunctionScope();
|
522 |
|
523 |
|
524 | this.regexpState = null;
|
525 | };
|
526 |
|
527 |
|
528 | Parser.prototype.isKeyword = function isKeyword (word) { return this.keywords.test(word) };
|
529 | Parser.prototype.isReservedWord = function isReservedWord (word) { return this.reservedWords.test(word) };
|
530 |
|
531 | Parser.prototype.extend = function extend (name, f) {
|
532 | this[name] = f(this[name]);
|
533 | };
|
534 |
|
535 | Parser.prototype.loadPlugins = function loadPlugins (pluginConfigs) {
|
536 | var this$1 = this;
|
537 |
|
538 | for (var name in pluginConfigs) {
|
539 | var plugin = plugins[name];
|
540 | if (!plugin) { throw new Error("Plugin '" + name + "' not found") }
|
541 | plugin(this$1, pluginConfigs[name]);
|
542 | }
|
543 | };
|
544 |
|
545 | Parser.prototype.parse = function parse () {
|
546 | var node = this.options.program || this.startNode();
|
547 | this.nextToken();
|
548 | return this.parseTopLevel(node)
|
549 | };
|
550 |
|
551 | var pp = Parser.prototype;
|
552 |
|
553 |
|
554 |
|
555 | var literal = /^(?:'((?:\\.|[^'])*?)'|"((?:\\.|[^"])*?)"|;)/;
|
556 | pp.strictDirective = function(start) {
|
557 | var this$1 = this;
|
558 |
|
559 | for (;;) {
|
560 | skipWhiteSpace.lastIndex = start;
|
561 | start += skipWhiteSpace.exec(this$1.input)[0].length;
|
562 | var match = literal.exec(this$1.input.slice(start));
|
563 | if (!match) { return false }
|
564 | if ((match[1] || match[2]) == "use strict") { return true }
|
565 | start += match[0].length;
|
566 | }
|
567 | };
|
568 |
|
569 |
|
570 |
|
571 |
|
572 | pp.eat = function(type) {
|
573 | if (this.type === type) {
|
574 | this.next();
|
575 | return true
|
576 | } else {
|
577 | return false
|
578 | }
|
579 | };
|
580 |
|
581 |
|
582 |
|
583 | pp.isContextual = function(name) {
|
584 | return this.type === types.name && this.value === name && !this.containsEsc
|
585 | };
|
586 |
|
587 |
|
588 |
|
589 | pp.eatContextual = function(name) {
|
590 | if (!this.isContextual(name)) { return false }
|
591 | this.next();
|
592 | return true
|
593 | };
|
594 |
|
595 |
|
596 |
|
597 | pp.expectContextual = function(name) {
|
598 | if (!this.eatContextual(name)) { this.unexpected(); }
|
599 | };
|
600 |
|
601 |
|
602 |
|
603 | pp.canInsertSemicolon = function() {
|
604 | return this.type === types.eof ||
|
605 | this.type === types.braceR ||
|
606 | lineBreak.test(this.input.slice(this.lastTokEnd, this.start))
|
607 | };
|
608 |
|
609 | pp.insertSemicolon = function() {
|
610 | if (this.canInsertSemicolon()) {
|
611 | if (this.options.onInsertedSemicolon)
|
612 | { this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc); }
|
613 | return true
|
614 | }
|
615 | };
|
616 |
|
617 |
|
618 |
|
619 |
|
620 | pp.semicolon = function() {
|
621 | if (!this.eat(types.semi) && !this.insertSemicolon()) { this.unexpected(); }
|
622 | };
|
623 |
|
624 | pp.afterTrailingComma = function(tokType, notNext) {
|
625 | if (this.type == tokType) {
|
626 | if (this.options.onTrailingComma)
|
627 | { this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc); }
|
628 | if (!notNext)
|
629 | { this.next(); }
|
630 | return true
|
631 | }
|
632 | };
|
633 |
|
634 |
|
635 |
|
636 |
|
637 | pp.expect = function(type) {
|
638 | this.eat(type) || this.unexpected();
|
639 | };
|
640 |
|
641 |
|
642 |
|
643 | pp.unexpected = function(pos) {
|
644 | this.raise(pos != null ? pos : this.start, "Unexpected token");
|
645 | };
|
646 |
|
647 | function DestructuringErrors() {
|
648 | this.shorthandAssign =
|
649 | this.trailingComma =
|
650 | this.parenthesizedAssign =
|
651 | this.parenthesizedBind =
|
652 | this.doubleProto =
|
653 | -1;
|
654 | }
|
655 |
|
656 | pp.checkPatternErrors = function(refDestructuringErrors, isAssign) {
|
657 | if (!refDestructuringErrors) { return }
|
658 | if (refDestructuringErrors.trailingComma > -1)
|
659 | { this.raiseRecoverable(refDestructuringErrors.trailingComma, "Comma is not permitted after the rest element"); }
|
660 | var parens = isAssign ? refDestructuringErrors.parenthesizedAssign : refDestructuringErrors.parenthesizedBind;
|
661 | if (parens > -1) { this.raiseRecoverable(parens, "Parenthesized pattern"); }
|
662 | };
|
663 |
|
664 | pp.checkExpressionErrors = function(refDestructuringErrors, andThrow) {
|
665 | if (!refDestructuringErrors) { return false }
|
666 | var shorthandAssign = refDestructuringErrors.shorthandAssign;
|
667 | var doubleProto = refDestructuringErrors.doubleProto;
|
668 | if (!andThrow) { return shorthandAssign >= 0 || doubleProto >= 0 }
|
669 | if (shorthandAssign >= 0)
|
670 | { this.raise(shorthandAssign, "Shorthand property assignments are valid only in destructuring patterns"); }
|
671 | if (doubleProto >= 0)
|
672 | { this.raiseRecoverable(doubleProto, "Redefinition of __proto__ property"); }
|
673 | };
|
674 |
|
675 | pp.checkYieldAwaitInDefaultParams = function() {
|
676 | if (this.yieldPos && (!this.awaitPos || this.yieldPos < this.awaitPos))
|
677 | { this.raise(this.yieldPos, "Yield expression cannot be a default value"); }
|
678 | if (this.awaitPos)
|
679 | { this.raise(this.awaitPos, "Await expression cannot be a default value"); }
|
680 | };
|
681 |
|
682 | pp.isSimpleAssignTarget = function(expr) {
|
683 | if (expr.type === "ParenthesizedExpression")
|
684 | { return this.isSimpleAssignTarget(expr.expression) }
|
685 | return expr.type === "Identifier" || expr.type === "MemberExpression"
|
686 | };
|
687 |
|
688 | var pp$1 = Parser.prototype;
|
689 |
|
690 |
|
691 |
|
692 |
|
693 |
|
694 |
|
695 |
|
696 |
|
697 | pp$1.parseTopLevel = function(node) {
|
698 | var this$1 = this;
|
699 |
|
700 | var exports = {};
|
701 | if (!node.body) { node.body = []; }
|
702 | while (this.type !== types.eof) {
|
703 | var stmt = this$1.parseStatement(true, true, exports);
|
704 | node.body.push(stmt);
|
705 | }
|
706 | this.adaptDirectivePrologue(node.body);
|
707 | this.next();
|
708 | if (this.options.ecmaVersion >= 6) {
|
709 | node.sourceType = this.options.sourceType;
|
710 | }
|
711 | return this.finishNode(node, "Program")
|
712 | };
|
713 |
|
714 | var loopLabel = {kind: "loop"};
|
715 | var switchLabel = {kind: "switch"};
|
716 |
|
717 | pp$1.isLet = function() {
|
718 | if (this.options.ecmaVersion < 6 || !this.isContextual("let")) { return false }
|
719 | skipWhiteSpace.lastIndex = this.pos;
|
720 | var skip = skipWhiteSpace.exec(this.input);
|
721 | var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next);
|
722 | if (nextCh === 91 || nextCh == 123) { return true }
|
723 | if (isIdentifierStart(nextCh, true)) {
|
724 | var pos = next + 1;
|
725 | while (isIdentifierChar(this.input.charCodeAt(pos), true)) { ++pos; }
|
726 | var ident = this.input.slice(next, pos);
|
727 | if (!keywordRelationalOperator.test(ident)) { return true }
|
728 | }
|
729 | return false
|
730 | };
|
731 |
|
732 |
|
733 |
|
734 |
|
735 | pp$1.isAsyncFunction = function() {
|
736 | if (this.options.ecmaVersion < 8 || !this.isContextual("async"))
|
737 | { return false }
|
738 |
|
739 | skipWhiteSpace.lastIndex = this.pos;
|
740 | var skip = skipWhiteSpace.exec(this.input);
|
741 | var next = this.pos + skip[0].length;
|
742 | return !lineBreak.test(this.input.slice(this.pos, next)) &&
|
743 | this.input.slice(next, next + 8) === "function" &&
|
744 | (next + 8 == this.input.length || !isIdentifierChar(this.input.charAt(next + 8)))
|
745 | };
|
746 |
|
747 |
|
748 |
|
749 |
|
750 |
|
751 |
|
752 |
|
753 |
|
754 | pp$1.parseStatement = function(declaration, topLevel, exports) {
|
755 | var starttype = this.type, node = this.startNode(), kind;
|
756 |
|
757 | if (this.isLet()) {
|
758 | starttype = types._var;
|
759 | kind = "let";
|
760 | }
|
761 |
|
762 |
|
763 |
|
764 |
|
765 |
|
766 | switch (starttype) {
|
767 | case types._break: case types._continue: return this.parseBreakContinueStatement(node, starttype.keyword)
|
768 | case types._debugger: return this.parseDebuggerStatement(node)
|
769 | case types._do: return this.parseDoStatement(node)
|
770 | case types._for: return this.parseForStatement(node)
|
771 | case types._function:
|
772 | if (!declaration && this.options.ecmaVersion >= 6) { this.unexpected(); }
|
773 | return this.parseFunctionStatement(node, false)
|
774 | case types._class:
|
775 | if (!declaration) { this.unexpected(); }
|
776 | return this.parseClass(node, true)
|
777 | case types._if: return this.parseIfStatement(node)
|
778 | case types._return: return this.parseReturnStatement(node)
|
779 | case types._switch: return this.parseSwitchStatement(node)
|
780 | case types._throw: return this.parseThrowStatement(node)
|
781 | case types._try: return this.parseTryStatement(node)
|
782 | case types._const: case types._var:
|
783 | kind = kind || this.value;
|
784 | if (!declaration && kind != "var") { this.unexpected(); }
|
785 | return this.parseVarStatement(node, kind)
|
786 | case types._while: return this.parseWhileStatement(node)
|
787 | case types._with: return this.parseWithStatement(node)
|
788 | case types.braceL: return this.parseBlock()
|
789 | case types.semi: return this.parseEmptyStatement(node)
|
790 | case types._export:
|
791 | case types._import:
|
792 | if (!this.options.allowImportExportEverywhere) {
|
793 | if (!topLevel)
|
794 | { this.raise(this.start, "'import' and 'export' may only appear at the top level"); }
|
795 | if (!this.inModule)
|
796 | { this.raise(this.start, "'import' and 'export' may appear only with 'sourceType: module'"); }
|
797 | }
|
798 | return starttype === types._import ? this.parseImport(node) : this.parseExport(node, exports)
|
799 |
|
800 |
|
801 |
|
802 |
|
803 |
|
804 |
|
805 | default:
|
806 | if (this.isAsyncFunction()) {
|
807 | if (!declaration) { this.unexpected(); }
|
808 | this.next();
|
809 | return this.parseFunctionStatement(node, true)
|
810 | }
|
811 |
|
812 | var maybeName = this.value, expr = this.parseExpression();
|
813 | if (starttype === types.name && expr.type === "Identifier" && this.eat(types.colon))
|
814 | { return this.parseLabeledStatement(node, maybeName, expr) }
|
815 | else { return this.parseExpressionStatement(node, expr) }
|
816 | }
|
817 | };
|
818 |
|
819 | pp$1.parseBreakContinueStatement = function(node, keyword) {
|
820 | var this$1 = this;
|
821 |
|
822 | var isBreak = keyword == "break";
|
823 | this.next();
|
824 | if (this.eat(types.semi) || this.insertSemicolon()) { node.label = null; }
|
825 | else if (this.type !== types.name) { this.unexpected(); }
|
826 | else {
|
827 | node.label = this.parseIdent();
|
828 | this.semicolon();
|
829 | }
|
830 |
|
831 |
|
832 |
|
833 | var i = 0;
|
834 | for (; i < this.labels.length; ++i) {
|
835 | var lab = this$1.labels[i];
|
836 | if (node.label == null || lab.name === node.label.name) {
|
837 | if (lab.kind != null && (isBreak || lab.kind === "loop")) { break }
|
838 | if (node.label && isBreak) { break }
|
839 | }
|
840 | }
|
841 | if (i === this.labels.length) { this.raise(node.start, "Unsyntactic " + keyword); }
|
842 | return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement")
|
843 | };
|
844 |
|
845 | pp$1.parseDebuggerStatement = function(node) {
|
846 | this.next();
|
847 | this.semicolon();
|
848 | return this.finishNode(node, "DebuggerStatement")
|
849 | };
|
850 |
|
851 | pp$1.parseDoStatement = function(node) {
|
852 | this.next();
|
853 | this.labels.push(loopLabel);
|
854 | node.body = this.parseStatement(false);
|
855 | this.labels.pop();
|
856 | this.expect(types._while);
|
857 | node.test = this.parseParenExpression();
|
858 | if (this.options.ecmaVersion >= 6)
|
859 | { this.eat(types.semi); }
|
860 | else
|
861 | { this.semicolon(); }
|
862 | return this.finishNode(node, "DoWhileStatement")
|
863 | };
|
864 |
|
865 |
|
866 |
|
867 |
|
868 |
|
869 |
|
870 |
|
871 |
|
872 |
|
873 | pp$1.parseForStatement = function(node) {
|
874 | this.next();
|
875 | var awaitAt = (this.options.ecmaVersion >= 9 && this.inAsync && this.eatContextual("await")) ? this.lastTokStart : -1;
|
876 | this.labels.push(loopLabel);
|
877 | this.enterLexicalScope();
|
878 | this.expect(types.parenL);
|
879 | if (this.type === types.semi) {
|
880 | if (awaitAt > -1) { this.unexpected(awaitAt); }
|
881 | return this.parseFor(node, null)
|
882 | }
|
883 | var isLet = this.isLet();
|
884 | if (this.type === types._var || this.type === types._const || isLet) {
|
885 | var init$1 = this.startNode(), kind = isLet ? "let" : this.value;
|
886 | this.next();
|
887 | this.parseVar(init$1, true, kind);
|
888 | this.finishNode(init$1, "VariableDeclaration");
|
889 | if ((this.type === types._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) && init$1.declarations.length === 1 &&
|
890 | !(kind !== "var" && init$1.declarations[0].init)) {
|
891 | if (this.options.ecmaVersion >= 9) {
|
892 | if (this.type === types._in) {
|
893 | if (awaitAt > -1) { this.unexpected(awaitAt); }
|
894 | } else { node.await = awaitAt > -1; }
|
895 | }
|
896 | return this.parseForIn(node, init$1)
|
897 | }
|
898 | if (awaitAt > -1) { this.unexpected(awaitAt); }
|
899 | return this.parseFor(node, init$1)
|
900 | }
|
901 | var refDestructuringErrors = new DestructuringErrors;
|
902 | var init = this.parseExpression(true, refDestructuringErrors);
|
903 | if (this.type === types._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) {
|
904 | if (this.options.ecmaVersion >= 9) {
|
905 | if (this.type === types._in) {
|
906 | if (awaitAt > -1) { this.unexpected(awaitAt); }
|
907 | } else { node.await = awaitAt > -1; }
|
908 | }
|
909 | this.toAssignable(init, false, refDestructuringErrors);
|
910 | this.checkLVal(init);
|
911 | return this.parseForIn(node, init)
|
912 | } else {
|
913 | this.checkExpressionErrors(refDestructuringErrors, true);
|
914 | }
|
915 | if (awaitAt > -1) { this.unexpected(awaitAt); }
|
916 | return this.parseFor(node, init)
|
917 | };
|
918 |
|
919 | pp$1.parseFunctionStatement = function(node, isAsync) {
|
920 | this.next();
|
921 | return this.parseFunction(node, true, false, isAsync)
|
922 | };
|
923 |
|
924 | pp$1.parseIfStatement = function(node) {
|
925 | this.next();
|
926 | node.test = this.parseParenExpression();
|
927 |
|
928 | node.consequent = this.parseStatement(!this.strict && this.type == types._function);
|
929 | node.alternate = this.eat(types._else) ? this.parseStatement(!this.strict && this.type == types._function) : null;
|
930 | return this.finishNode(node, "IfStatement")
|
931 | };
|
932 |
|
933 | pp$1.parseReturnStatement = function(node) {
|
934 | if (!this.inFunction && !this.options.allowReturnOutsideFunction)
|
935 | { this.raise(this.start, "'return' outside of function"); }
|
936 | this.next();
|
937 |
|
938 |
|
939 |
|
940 |
|
941 |
|
942 | if (this.eat(types.semi) || this.insertSemicolon()) { node.argument = null; }
|
943 | else { node.argument = this.parseExpression(); this.semicolon(); }
|
944 | return this.finishNode(node, "ReturnStatement")
|
945 | };
|
946 |
|
947 | pp$1.parseSwitchStatement = function(node) {
|
948 | var this$1 = this;
|
949 |
|
950 | this.next();
|
951 | node.discriminant = this.parseParenExpression();
|
952 | node.cases = [];
|
953 | this.expect(types.braceL);
|
954 | this.labels.push(switchLabel);
|
955 | this.enterLexicalScope();
|
956 |
|
957 |
|
958 |
|
959 |
|
960 |
|
961 | var cur;
|
962 | for (var sawDefault = false; this.type != types.braceR;) {
|
963 | if (this$1.type === types._case || this$1.type === types._default) {
|
964 | var isCase = this$1.type === types._case;
|
965 | if (cur) { this$1.finishNode(cur, "SwitchCase"); }
|
966 | node.cases.push(cur = this$1.startNode());
|
967 | cur.consequent = [];
|
968 | this$1.next();
|
969 | if (isCase) {
|
970 | cur.test = this$1.parseExpression();
|
971 | } else {
|
972 | if (sawDefault) { this$1.raiseRecoverable(this$1.lastTokStart, "Multiple default clauses"); }
|
973 | sawDefault = true;
|
974 | cur.test = null;
|
975 | }
|
976 | this$1.expect(types.colon);
|
977 | } else {
|
978 | if (!cur) { this$1.unexpected(); }
|
979 | cur.consequent.push(this$1.parseStatement(true));
|
980 | }
|
981 | }
|
982 | this.exitLexicalScope();
|
983 | if (cur) { this.finishNode(cur, "SwitchCase"); }
|
984 | this.next();
|
985 | this.labels.pop();
|
986 | return this.finishNode(node, "SwitchStatement")
|
987 | };
|
988 |
|
989 | pp$1.parseThrowStatement = function(node) {
|
990 | this.next();
|
991 | if (lineBreak.test(this.input.slice(this.lastTokEnd, this.start)))
|
992 | { this.raise(this.lastTokEnd, "Illegal newline after throw"); }
|
993 | node.argument = this.parseExpression();
|
994 | this.semicolon();
|
995 | return this.finishNode(node, "ThrowStatement")
|
996 | };
|
997 |
|
998 |
|
999 |
|
1000 | var empty = [];
|
1001 |
|
1002 | pp$1.parseTryStatement = function(node) {
|
1003 | this.next();
|
1004 | node.block = this.parseBlock();
|
1005 | node.handler = null;
|
1006 | if (this.type === types._catch) {
|
1007 | var clause = this.startNode();
|
1008 | this.next();
|
1009 | this.expect(types.parenL);
|
1010 | clause.param = this.parseBindingAtom();
|
1011 | this.enterLexicalScope();
|
1012 | this.checkLVal(clause.param, "let");
|
1013 | this.expect(types.parenR);
|
1014 | clause.body = this.parseBlock(false);
|
1015 | this.exitLexicalScope();
|
1016 | node.handler = this.finishNode(clause, "CatchClause");
|
1017 | }
|
1018 | node.finalizer = this.eat(types._finally) ? this.parseBlock() : null;
|
1019 | if (!node.handler && !node.finalizer)
|
1020 | { this.raise(node.start, "Missing catch or finally clause"); }
|
1021 | return this.finishNode(node, "TryStatement")
|
1022 | };
|
1023 |
|
1024 | pp$1.parseVarStatement = function(node, kind) {
|
1025 | this.next();
|
1026 | this.parseVar(node, false, kind);
|
1027 | this.semicolon();
|
1028 | return this.finishNode(node, "VariableDeclaration")
|
1029 | };
|
1030 |
|
1031 | pp$1.parseWhileStatement = function(node) {
|
1032 | this.next();
|
1033 | node.test = this.parseParenExpression();
|
1034 | this.labels.push(loopLabel);
|
1035 | node.body = this.parseStatement(false);
|
1036 | this.labels.pop();
|
1037 | return this.finishNode(node, "WhileStatement")
|
1038 | };
|
1039 |
|
1040 | pp$1.parseWithStatement = function(node) {
|
1041 | if (this.strict) { this.raise(this.start, "'with' in strict mode"); }
|
1042 | this.next();
|
1043 | node.object = this.parseParenExpression();
|
1044 | node.body = this.parseStatement(false);
|
1045 | return this.finishNode(node, "WithStatement")
|
1046 | };
|
1047 |
|
1048 | pp$1.parseEmptyStatement = function(node) {
|
1049 | this.next();
|
1050 | return this.finishNode(node, "EmptyStatement")
|
1051 | };
|
1052 |
|
1053 | pp$1.parseLabeledStatement = function(node, maybeName, expr) {
|
1054 | var this$1 = this;
|
1055 |
|
1056 | for (var i$1 = 0, list = this$1.labels; i$1 < list.length; i$1 += 1)
|
1057 | {
|
1058 | var label = list[i$1];
|
1059 |
|
1060 | if (label.name === maybeName)
|
1061 | { this$1.raise(expr.start, "Label '" + maybeName + "' is already declared");
|
1062 | } }
|
1063 | var kind = this.type.isLoop ? "loop" : this.type === types._switch ? "switch" : null;
|
1064 | for (var i = this.labels.length - 1; i >= 0; i--) {
|
1065 | var label$1 = this$1.labels[i];
|
1066 | if (label$1.statementStart == node.start) {
|
1067 |
|
1068 | label$1.statementStart = this$1.start;
|
1069 | label$1.kind = kind;
|
1070 | } else { break }
|
1071 | }
|
1072 | this.labels.push({name: maybeName, kind: kind, statementStart: this.start});
|
1073 | node.body = this.parseStatement(true);
|
1074 | if (node.body.type == "ClassDeclaration" ||
|
1075 | node.body.type == "VariableDeclaration" && node.body.kind != "var" ||
|
1076 | node.body.type == "FunctionDeclaration" && (this.strict || node.body.generator))
|
1077 | { this.raiseRecoverable(node.body.start, "Invalid labeled declaration"); }
|
1078 | this.labels.pop();
|
1079 | node.label = expr;
|
1080 | return this.finishNode(node, "LabeledStatement")
|
1081 | };
|
1082 |
|
1083 | pp$1.parseExpressionStatement = function(node, expr) {
|
1084 | node.expression = expr;
|
1085 | this.semicolon();
|
1086 | return this.finishNode(node, "ExpressionStatement")
|
1087 | };
|
1088 |
|
1089 |
|
1090 |
|
1091 |
|
1092 |
|
1093 | pp$1.parseBlock = function(createNewLexicalScope) {
|
1094 | var this$1 = this;
|
1095 | if ( createNewLexicalScope === void 0 ) createNewLexicalScope = true;
|
1096 |
|
1097 | var node = this.startNode();
|
1098 | node.body = [];
|
1099 | this.expect(types.braceL);
|
1100 | if (createNewLexicalScope) {
|
1101 | this.enterLexicalScope();
|
1102 | }
|
1103 | while (!this.eat(types.braceR)) {
|
1104 | var stmt = this$1.parseStatement(true);
|
1105 | node.body.push(stmt);
|
1106 | }
|
1107 | if (createNewLexicalScope) {
|
1108 | this.exitLexicalScope();
|
1109 | }
|
1110 | return this.finishNode(node, "BlockStatement")
|
1111 | };
|
1112 |
|
1113 |
|
1114 |
|
1115 |
|
1116 |
|
1117 | pp$1.parseFor = function(node, init) {
|
1118 | node.init = init;
|
1119 | this.expect(types.semi);
|
1120 | node.test = this.type === types.semi ? null : this.parseExpression();
|
1121 | this.expect(types.semi);
|
1122 | node.update = this.type === types.parenR ? null : this.parseExpression();
|
1123 | this.expect(types.parenR);
|
1124 | this.exitLexicalScope();
|
1125 | node.body = this.parseStatement(false);
|
1126 | this.labels.pop();
|
1127 | return this.finishNode(node, "ForStatement")
|
1128 | };
|
1129 |
|
1130 |
|
1131 |
|
1132 |
|
1133 | pp$1.parseForIn = function(node, init) {
|
1134 | var type = this.type === types._in ? "ForInStatement" : "ForOfStatement";
|
1135 | this.next();
|
1136 | if (type == "ForInStatement") {
|
1137 | if (init.type === "AssignmentPattern" ||
|
1138 | (init.type === "VariableDeclaration" && init.declarations[0].init != null &&
|
1139 | (this.strict || init.declarations[0].id.type !== "Identifier")))
|
1140 | { this.raise(init.start, "Invalid assignment in for-in loop head"); }
|
1141 | }
|
1142 | node.left = init;
|
1143 | node.right = type == "ForInStatement" ? this.parseExpression() : this.parseMaybeAssign();
|
1144 | this.expect(types.parenR);
|
1145 | this.exitLexicalScope();
|
1146 | node.body = this.parseStatement(false);
|
1147 | this.labels.pop();
|
1148 | return this.finishNode(node, type)
|
1149 | };
|
1150 |
|
1151 |
|
1152 |
|
1153 | pp$1.parseVar = function(node, isFor, kind) {
|
1154 | var this$1 = this;
|
1155 |
|
1156 | node.declarations = [];
|
1157 | node.kind = kind;
|
1158 | for (;;) {
|
1159 | var decl = this$1.startNode();
|
1160 | this$1.parseVarId(decl, kind);
|
1161 | if (this$1.eat(types.eq)) {
|
1162 | decl.init = this$1.parseMaybeAssign(isFor);
|
1163 | } else if (kind === "const" && !(this$1.type === types._in || (this$1.options.ecmaVersion >= 6 && this$1.isContextual("of")))) {
|
1164 | this$1.unexpected();
|
1165 | } else if (decl.id.type != "Identifier" && !(isFor && (this$1.type === types._in || this$1.isContextual("of")))) {
|
1166 | this$1.raise(this$1.lastTokEnd, "Complex binding patterns require an initialization value");
|
1167 | } else {
|
1168 | decl.init = null;
|
1169 | }
|
1170 | node.declarations.push(this$1.finishNode(decl, "VariableDeclarator"));
|
1171 | if (!this$1.eat(types.comma)) { break }
|
1172 | }
|
1173 | return node
|
1174 | };
|
1175 |
|
1176 | pp$1.parseVarId = function(decl, kind) {
|
1177 | decl.id = this.parseBindingAtom(kind);
|
1178 | this.checkLVal(decl.id, kind, false);
|
1179 | };
|
1180 |
|
1181 |
|
1182 |
|
1183 |
|
1184 | pp$1.parseFunction = function(node, isStatement, allowExpressionBody, isAsync) {
|
1185 | this.initFunction(node);
|
1186 | if (this.options.ecmaVersion >= 9 || this.options.ecmaVersion >= 6 && !isAsync)
|
1187 | { node.generator = this.eat(types.star); }
|
1188 | if (this.options.ecmaVersion >= 8)
|
1189 | { node.async = !!isAsync; }
|
1190 |
|
1191 | if (isStatement) {
|
1192 | node.id = isStatement === "nullableID" && this.type != types.name ? null : this.parseIdent();
|
1193 | if (node.id) {
|
1194 | this.checkLVal(node.id, "var");
|
1195 | }
|
1196 | }
|
1197 |
|
1198 | var oldInGen = this.inGenerator, oldInAsync = this.inAsync,
|
1199 | oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldInFunc = this.inFunction;
|
1200 | this.inGenerator = node.generator;
|
1201 | this.inAsync = node.async;
|
1202 | this.yieldPos = 0;
|
1203 | this.awaitPos = 0;
|
1204 | this.inFunction = true;
|
1205 | this.enterFunctionScope();
|
1206 |
|
1207 | if (!isStatement)
|
1208 | { node.id = this.type == types.name ? this.parseIdent() : null; }
|
1209 |
|
1210 | this.parseFunctionParams(node);
|
1211 | this.parseFunctionBody(node, allowExpressionBody);
|
1212 |
|
1213 | this.inGenerator = oldInGen;
|
1214 | this.inAsync = oldInAsync;
|
1215 | this.yieldPos = oldYieldPos;
|
1216 | this.awaitPos = oldAwaitPos;
|
1217 | this.inFunction = oldInFunc;
|
1218 | return this.finishNode(node, isStatement ? "FunctionDeclaration" : "FunctionExpression")
|
1219 | };
|
1220 |
|
1221 | pp$1.parseFunctionParams = function(node) {
|
1222 | this.expect(types.parenL);
|
1223 | node.params = this.parseBindingList(types.parenR, false, this.options.ecmaVersion >= 8);
|
1224 | this.checkYieldAwaitInDefaultParams();
|
1225 | };
|
1226 |
|
1227 |
|
1228 |
|
1229 |
|
1230 | pp$1.parseClass = function(node, isStatement) {
|
1231 | var this$1 = this;
|
1232 |
|
1233 | this.next();
|
1234 |
|
1235 | this.parseClassId(node, isStatement);
|
1236 | this.parseClassSuper(node);
|
1237 | var classBody = this.startNode();
|
1238 | var hadConstructor = false;
|
1239 | classBody.body = [];
|
1240 | this.expect(types.braceL);
|
1241 | while (!this.eat(types.braceR)) {
|
1242 | var member = this$1.parseClassMember(classBody);
|
1243 | if (member && member.type === "MethodDefinition" && member.kind === "constructor") {
|
1244 | if (hadConstructor) { this$1.raise(member.start, "Duplicate constructor in the same class"); }
|
1245 | hadConstructor = true;
|
1246 | }
|
1247 | }
|
1248 | node.body = this.finishNode(classBody, "ClassBody");
|
1249 | return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression")
|
1250 | };
|
1251 |
|
1252 | pp$1.parseClassMember = function(classBody) {
|
1253 | var this$1 = this;
|
1254 |
|
1255 | if (this.eat(types.semi)) { return null }
|
1256 |
|
1257 | var method = this.startNode();
|
1258 | var tryContextual = function (k, noLineBreak) {
|
1259 | if ( noLineBreak === void 0 ) noLineBreak = false;
|
1260 |
|
1261 | var start = this$1.start, startLoc = this$1.startLoc;
|
1262 | if (!this$1.eatContextual(k)) { return false }
|
1263 | if (this$1.type !== types.parenL && (!noLineBreak || !this$1.canInsertSemicolon())) { return true }
|
1264 | if (method.key) { this$1.unexpected(); }
|
1265 | method.computed = false;
|
1266 | method.key = this$1.startNodeAt(start, startLoc);
|
1267 | method.key.name = k;
|
1268 | this$1.finishNode(method.key, "Identifier");
|
1269 | return false
|
1270 | };
|
1271 |
|
1272 | method.kind = "method";
|
1273 | method.static = tryContextual("static");
|
1274 | var isGenerator = this.eat(types.star);
|
1275 | var isAsync = false;
|
1276 | if (!isGenerator) {
|
1277 | if (this.options.ecmaVersion >= 8 && tryContextual("async", true)) {
|
1278 | isAsync = true;
|
1279 | isGenerator = this.options.ecmaVersion >= 9 && this.eat(types.star);
|
1280 | } else if (tryContextual("get")) {
|
1281 | method.kind = "get";
|
1282 | } else if (tryContextual("set")) {
|
1283 | method.kind = "set";
|
1284 | }
|
1285 | }
|
1286 | if (!method.key) { this.parsePropertyName(method); }
|
1287 | var key = method.key;
|
1288 | if (!method.computed && !method.static && (key.type === "Identifier" && key.name === "constructor" ||
|
1289 | key.type === "Literal" && key.value === "constructor")) {
|
1290 | if (method.kind !== "method") { this.raise(key.start, "Constructor can't have get/set modifier"); }
|
1291 | if (isGenerator) { this.raise(key.start, "Constructor can't be a generator"); }
|
1292 | if (isAsync) { this.raise(key.start, "Constructor can't be an async method"); }
|
1293 | method.kind = "constructor";
|
1294 | } else if (method.static && key.type === "Identifier" && key.name === "prototype") {
|
1295 | this.raise(key.start, "Classes may not have a static property named prototype");
|
1296 | }
|
1297 | this.parseClassMethod(classBody, method, isGenerator, isAsync);
|
1298 | if (method.kind === "get" && method.value.params.length !== 0)
|
1299 | { this.raiseRecoverable(method.value.start, "getter should have no params"); }
|
1300 | if (method.kind === "set" && method.value.params.length !== 1)
|
1301 | { this.raiseRecoverable(method.value.start, "setter should have exactly one param"); }
|
1302 | if (method.kind === "set" && method.value.params[0].type === "RestElement")
|
1303 | { this.raiseRecoverable(method.value.params[0].start, "Setter cannot use rest params"); }
|
1304 | return method
|
1305 | };
|
1306 |
|
1307 | pp$1.parseClassMethod = function(classBody, method, isGenerator, isAsync) {
|
1308 | method.value = this.parseMethod(isGenerator, isAsync);
|
1309 | classBody.body.push(this.finishNode(method, "MethodDefinition"));
|
1310 | };
|
1311 |
|
1312 | pp$1.parseClassId = function(node, isStatement) {
|
1313 | node.id = this.type === types.name ? this.parseIdent() : isStatement === true ? this.unexpected() : null;
|
1314 | };
|
1315 |
|
1316 | pp$1.parseClassSuper = function(node) {
|
1317 | node.superClass = this.eat(types._extends) ? this.parseExprSubscripts() : null;
|
1318 | };
|
1319 |
|
1320 |
|
1321 |
|
1322 | pp$1.parseExport = function(node, exports) {
|
1323 | var this$1 = this;
|
1324 |
|
1325 | this.next();
|
1326 |
|
1327 | if (this.eat(types.star)) {
|
1328 | this.expectContextual("from");
|
1329 | if (this.type !== types.string) { this.unexpected(); }
|
1330 | node.source = this.parseExprAtom();
|
1331 | this.semicolon();
|
1332 | return this.finishNode(node, "ExportAllDeclaration")
|
1333 | }
|
1334 | if (this.eat(types._default)) {
|
1335 | this.checkExport(exports, "default", this.lastTokStart);
|
1336 | var isAsync;
|
1337 | if (this.type === types._function || (isAsync = this.isAsyncFunction())) {
|
1338 | var fNode = this.startNode();
|
1339 | this.next();
|
1340 | if (isAsync) { this.next(); }
|
1341 | node.declaration = this.parseFunction(fNode, "nullableID", false, isAsync);
|
1342 | } else if (this.type === types._class) {
|
1343 | var cNode = this.startNode();
|
1344 | node.declaration = this.parseClass(cNode, "nullableID");
|
1345 | } else {
|
1346 | node.declaration = this.parseMaybeAssign();
|
1347 | this.semicolon();
|
1348 | }
|
1349 | return this.finishNode(node, "ExportDefaultDeclaration")
|
1350 | }
|
1351 |
|
1352 | if (this.shouldParseExportStatement()) {
|
1353 | node.declaration = this.parseStatement(true);
|
1354 | if (node.declaration.type === "VariableDeclaration")
|
1355 | { this.checkVariableExport(exports, node.declaration.declarations); }
|
1356 | else
|
1357 | { this.checkExport(exports, node.declaration.id.name, node.declaration.id.start); }
|
1358 | node.specifiers = [];
|
1359 | node.source = null;
|
1360 | } else {
|
1361 | node.declaration = null;
|
1362 | node.specifiers = this.parseExportSpecifiers(exports);
|
1363 | if (this.eatContextual("from")) {
|
1364 | if (this.type !== types.string) { this.unexpected(); }
|
1365 | node.source = this.parseExprAtom();
|
1366 | } else {
|
1367 |
|
1368 | for (var i = 0, list = node.specifiers; i < list.length; i += 1) {
|
1369 | var spec = list[i];
|
1370 |
|
1371 | this$1.checkUnreserved(spec.local);
|
1372 | }
|
1373 |
|
1374 | node.source = null;
|
1375 | }
|
1376 | this.semicolon();
|
1377 | }
|
1378 | return this.finishNode(node, "ExportNamedDeclaration")
|
1379 | };
|
1380 |
|
1381 | pp$1.checkExport = function(exports, name, pos) {
|
1382 | if (!exports) { return }
|
1383 | if (has(exports, name))
|
1384 | { this.raiseRecoverable(pos, "Duplicate export '" + name + "'"); }
|
1385 | exports[name] = true;
|
1386 | };
|
1387 |
|
1388 | pp$1.checkPatternExport = function(exports, pat) {
|
1389 | var this$1 = this;
|
1390 |
|
1391 | var type = pat.type;
|
1392 | if (type == "Identifier")
|
1393 | { this.checkExport(exports, pat.name, pat.start); }
|
1394 | else if (type == "ObjectPattern")
|
1395 | { for (var i = 0, list = pat.properties; i < list.length; i += 1)
|
1396 | {
|
1397 | var prop = list[i];
|
1398 |
|
1399 | this$1.checkPatternExport(exports, prop);
|
1400 | } }
|
1401 | else if (type == "ArrayPattern")
|
1402 | { for (var i$1 = 0, list$1 = pat.elements; i$1 < list$1.length; i$1 += 1) {
|
1403 | var elt = list$1[i$1];
|
1404 |
|
1405 | if (elt) { this$1.checkPatternExport(exports, elt); }
|
1406 | } }
|
1407 | else if (type == "Property")
|
1408 | { this.checkPatternExport(exports, pat.value); }
|
1409 | else if (type == "AssignmentPattern")
|
1410 | { this.checkPatternExport(exports, pat.left); }
|
1411 | else if (type == "RestElement")
|
1412 | { this.checkPatternExport(exports, pat.argument); }
|
1413 | else if (type == "ParenthesizedExpression")
|
1414 | { this.checkPatternExport(exports, pat.expression); }
|
1415 | };
|
1416 |
|
1417 | pp$1.checkVariableExport = function(exports, decls) {
|
1418 | var this$1 = this;
|
1419 |
|
1420 | if (!exports) { return }
|
1421 | for (var i = 0, list = decls; i < list.length; i += 1)
|
1422 | {
|
1423 | var decl = list[i];
|
1424 |
|
1425 | this$1.checkPatternExport(exports, decl.id);
|
1426 | }
|
1427 | };
|
1428 |
|
1429 | pp$1.shouldParseExportStatement = function() {
|
1430 | return this.type.keyword === "var" ||
|
1431 | this.type.keyword === "const" ||
|
1432 | this.type.keyword === "class" ||
|
1433 | this.type.keyword === "function" ||
|
1434 | this.isLet() ||
|
1435 | this.isAsyncFunction()
|
1436 | };
|
1437 |
|
1438 |
|
1439 |
|
1440 | pp$1.parseExportSpecifiers = function(exports) {
|
1441 | var this$1 = this;
|
1442 |
|
1443 | var nodes = [], first = true;
|
1444 |
|
1445 | this.expect(types.braceL);
|
1446 | while (!this.eat(types.braceR)) {
|
1447 | if (!first) {
|
1448 | this$1.expect(types.comma);
|
1449 | if (this$1.afterTrailingComma(types.braceR)) { break }
|
1450 | } else { first = false; }
|
1451 |
|
1452 | var node = this$1.startNode();
|
1453 | node.local = this$1.parseIdent(true);
|
1454 | node.exported = this$1.eatContextual("as") ? this$1.parseIdent(true) : node.local;
|
1455 | this$1.checkExport(exports, node.exported.name, node.exported.start);
|
1456 | nodes.push(this$1.finishNode(node, "ExportSpecifier"));
|
1457 | }
|
1458 | return nodes
|
1459 | };
|
1460 |
|
1461 |
|
1462 |
|
1463 | pp$1.parseImport = function(node) {
|
1464 | this.next();
|
1465 |
|
1466 | if (this.type === types.string) {
|
1467 | node.specifiers = empty;
|
1468 | node.source = this.parseExprAtom();
|
1469 | } else {
|
1470 | node.specifiers = this.parseImportSpecifiers();
|
1471 | this.expectContextual("from");
|
1472 | node.source = this.type === types.string ? this.parseExprAtom() : this.unexpected();
|
1473 | }
|
1474 | this.semicolon();
|
1475 | return this.finishNode(node, "ImportDeclaration")
|
1476 | };
|
1477 |
|
1478 |
|
1479 |
|
1480 | pp$1.parseImportSpecifiers = function() {
|
1481 | var this$1 = this;
|
1482 |
|
1483 | var nodes = [], first = true;
|
1484 | if (this.type === types.name) {
|
1485 |
|
1486 | var node = this.startNode();
|
1487 | node.local = this.parseIdent();
|
1488 | this.checkLVal(node.local, "let");
|
1489 | nodes.push(this.finishNode(node, "ImportDefaultSpecifier"));
|
1490 | if (!this.eat(types.comma)) { return nodes }
|
1491 | }
|
1492 | if (this.type === types.star) {
|
1493 | var node$1 = this.startNode();
|
1494 | this.next();
|
1495 | this.expectContextual("as");
|
1496 | node$1.local = this.parseIdent();
|
1497 | this.checkLVal(node$1.local, "let");
|
1498 | nodes.push(this.finishNode(node$1, "ImportNamespaceSpecifier"));
|
1499 | return nodes
|
1500 | }
|
1501 | this.expect(types.braceL);
|
1502 | while (!this.eat(types.braceR)) {
|
1503 | if (!first) {
|
1504 | this$1.expect(types.comma);
|
1505 | if (this$1.afterTrailingComma(types.braceR)) { break }
|
1506 | } else { first = false; }
|
1507 |
|
1508 | var node$2 = this$1.startNode();
|
1509 | node$2.imported = this$1.parseIdent(true);
|
1510 | if (this$1.eatContextual("as")) {
|
1511 | node$2.local = this$1.parseIdent();
|
1512 | } else {
|
1513 | this$1.checkUnreserved(node$2.imported);
|
1514 | node$2.local = node$2.imported;
|
1515 | }
|
1516 | this$1.checkLVal(node$2.local, "let");
|
1517 | nodes.push(this$1.finishNode(node$2, "ImportSpecifier"));
|
1518 | }
|
1519 | return nodes
|
1520 | };
|
1521 |
|
1522 |
|
1523 | pp$1.adaptDirectivePrologue = function(statements) {
|
1524 | for (var i = 0; i < statements.length && this.isDirectiveCandidate(statements[i]); ++i) {
|
1525 | statements[i].directive = statements[i].expression.raw.slice(1, -1);
|
1526 | }
|
1527 | };
|
1528 | pp$1.isDirectiveCandidate = function(statement) {
|
1529 | return (
|
1530 | statement.type === "ExpressionStatement" &&
|
1531 | statement.expression.type === "Literal" &&
|
1532 | typeof statement.expression.value === "string" &&
|
1533 |
|
1534 | (this.input[statement.start] === "\"" || this.input[statement.start] === "'")
|
1535 | )
|
1536 | };
|
1537 |
|
1538 | var pp$2 = Parser.prototype;
|
1539 |
|
1540 |
|
1541 |
|
1542 |
|
1543 | pp$2.toAssignable = function(node, isBinding, refDestructuringErrors) {
|
1544 | var this$1 = this;
|
1545 |
|
1546 | if (this.options.ecmaVersion >= 6 && node) {
|
1547 | switch (node.type) {
|
1548 | case "Identifier":
|
1549 | if (this.inAsync && node.name === "await")
|
1550 | { this.raise(node.start, "Can not use 'await' as identifier inside an async function"); }
|
1551 | break
|
1552 |
|
1553 | case "ObjectPattern":
|
1554 | case "ArrayPattern":
|
1555 | case "RestElement":
|
1556 | break
|
1557 |
|
1558 | case "ObjectExpression":
|
1559 | node.type = "ObjectPattern";
|
1560 | if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); }
|
1561 | for (var i = 0, list = node.properties; i < list.length; i += 1) {
|
1562 | var prop = list[i];
|
1563 |
|
1564 | this$1.toAssignable(prop, isBinding);
|
1565 |
|
1566 |
|
1567 |
|
1568 |
|
1569 |
|
1570 | if (
|
1571 | prop.type === "RestElement" &&
|
1572 | (prop.argument.type === "ArrayPattern" || prop.argument.type === "ObjectPattern")
|
1573 | ) {
|
1574 | this$1.raise(prop.argument.start, "Unexpected token");
|
1575 | }
|
1576 | }
|
1577 | break
|
1578 |
|
1579 | case "Property":
|
1580 |
|
1581 | if (node.kind !== "init") { this.raise(node.key.start, "Object pattern can't contain getter or setter"); }
|
1582 | this.toAssignable(node.value, isBinding);
|
1583 | break
|
1584 |
|
1585 | case "ArrayExpression":
|
1586 | node.type = "ArrayPattern";
|
1587 | if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); }
|
1588 | this.toAssignableList(node.elements, isBinding);
|
1589 | break
|
1590 |
|
1591 | case "SpreadElement":
|
1592 | node.type = "RestElement";
|
1593 | this.toAssignable(node.argument, isBinding);
|
1594 | if (node.argument.type === "AssignmentPattern")
|
1595 | { this.raise(node.argument.start, "Rest elements cannot have a default value"); }
|
1596 | break
|
1597 |
|
1598 | case "AssignmentExpression":
|
1599 | if (node.operator !== "=") { this.raise(node.left.end, "Only '=' operator can be used for specifying default value."); }
|
1600 | node.type = "AssignmentPattern";
|
1601 | delete node.operator;
|
1602 | this.toAssignable(node.left, isBinding);
|
1603 |
|
1604 |
|
1605 | case "AssignmentPattern":
|
1606 | break
|
1607 |
|
1608 | case "ParenthesizedExpression":
|
1609 | this.toAssignable(node.expression, isBinding);
|
1610 | break
|
1611 |
|
1612 | case "MemberExpression":
|
1613 | if (!isBinding) { break }
|
1614 |
|
1615 | default:
|
1616 | this.raise(node.start, "Assigning to rvalue");
|
1617 | }
|
1618 | } else if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); }
|
1619 | return node
|
1620 | };
|
1621 |
|
1622 |
|
1623 |
|
1624 | pp$2.toAssignableList = function(exprList, isBinding) {
|
1625 | var this$1 = this;
|
1626 |
|
1627 | var end = exprList.length;
|
1628 | for (var i = 0; i < end; i++) {
|
1629 | var elt = exprList[i];
|
1630 | if (elt) { this$1.toAssignable(elt, isBinding); }
|
1631 | }
|
1632 | if (end) {
|
1633 | var last = exprList[end - 1];
|
1634 | if (this.options.ecmaVersion === 6 && isBinding && last && last.type === "RestElement" && last.argument.type !== "Identifier")
|
1635 | { this.unexpected(last.argument.start); }
|
1636 | }
|
1637 | return exprList
|
1638 | };
|
1639 |
|
1640 |
|
1641 |
|
1642 | pp$2.parseSpread = function(refDestructuringErrors) {
|
1643 | var node = this.startNode();
|
1644 | this.next();
|
1645 | node.argument = this.parseMaybeAssign(false, refDestructuringErrors);
|
1646 | return this.finishNode(node, "SpreadElement")
|
1647 | };
|
1648 |
|
1649 | pp$2.parseRestBinding = function() {
|
1650 | var node = this.startNode();
|
1651 | this.next();
|
1652 |
|
1653 |
|
1654 | if (this.options.ecmaVersion === 6 && this.type !== types.name)
|
1655 | { this.unexpected(); }
|
1656 |
|
1657 | node.argument = this.parseBindingAtom();
|
1658 |
|
1659 | return this.finishNode(node, "RestElement")
|
1660 | };
|
1661 |
|
1662 |
|
1663 |
|
1664 | pp$2.parseBindingAtom = function() {
|
1665 | if (this.options.ecmaVersion >= 6) {
|
1666 | switch (this.type) {
|
1667 | case types.bracketL:
|
1668 | var node = this.startNode();
|
1669 | this.next();
|
1670 | node.elements = this.parseBindingList(types.bracketR, true, true);
|
1671 | return this.finishNode(node, "ArrayPattern")
|
1672 |
|
1673 | case types.braceL:
|
1674 | return this.parseObj(true)
|
1675 | }
|
1676 | }
|
1677 | return this.parseIdent()
|
1678 | };
|
1679 |
|
1680 | pp$2.parseBindingList = function(close, allowEmpty, allowTrailingComma) {
|
1681 | var this$1 = this;
|
1682 |
|
1683 | var elts = [], first = true;
|
1684 | while (!this.eat(close)) {
|
1685 | if (first) { first = false; }
|
1686 | else { this$1.expect(types.comma); }
|
1687 | if (allowEmpty && this$1.type === types.comma) {
|
1688 | elts.push(null);
|
1689 | } else if (allowTrailingComma && this$1.afterTrailingComma(close)) {
|
1690 | break
|
1691 | } else if (this$1.type === types.ellipsis) {
|
1692 | var rest = this$1.parseRestBinding();
|
1693 | this$1.parseBindingListItem(rest);
|
1694 | elts.push(rest);
|
1695 | if (this$1.type === types.comma) { this$1.raise(this$1.start, "Comma is not permitted after the rest element"); }
|
1696 | this$1.expect(close);
|
1697 | break
|
1698 | } else {
|
1699 | var elem = this$1.parseMaybeDefault(this$1.start, this$1.startLoc);
|
1700 | this$1.parseBindingListItem(elem);
|
1701 | elts.push(elem);
|
1702 | }
|
1703 | }
|
1704 | return elts
|
1705 | };
|
1706 |
|
1707 | pp$2.parseBindingListItem = function(param) {
|
1708 | return param
|
1709 | };
|
1710 |
|
1711 |
|
1712 |
|
1713 | pp$2.parseMaybeDefault = function(startPos, startLoc, left) {
|
1714 | left = left || this.parseBindingAtom();
|
1715 | if (this.options.ecmaVersion < 6 || !this.eat(types.eq)) { return left }
|
1716 | var node = this.startNodeAt(startPos, startLoc);
|
1717 | node.left = left;
|
1718 | node.right = this.parseMaybeAssign();
|
1719 | return this.finishNode(node, "AssignmentPattern")
|
1720 | };
|
1721 |
|
1722 |
|
1723 |
|
1724 |
|
1725 |
|
1726 |
|
1727 |
|
1728 |
|
1729 | pp$2.checkLVal = function(expr, bindingType, checkClashes) {
|
1730 | var this$1 = this;
|
1731 |
|
1732 | switch (expr.type) {
|
1733 | case "Identifier":
|
1734 | if (this.strict && this.reservedWordsStrictBind.test(expr.name))
|
1735 | { this.raiseRecoverable(expr.start, (bindingType ? "Binding " : "Assigning to ") + expr.name + " in strict mode"); }
|
1736 | if (checkClashes) {
|
1737 | if (has(checkClashes, expr.name))
|
1738 | { this.raiseRecoverable(expr.start, "Argument name clash"); }
|
1739 | checkClashes[expr.name] = true;
|
1740 | }
|
1741 | if (bindingType && bindingType !== "none") {
|
1742 | if (
|
1743 | bindingType === "var" && !this.canDeclareVarName(expr.name) ||
|
1744 | bindingType !== "var" && !this.canDeclareLexicalName(expr.name)
|
1745 | ) {
|
1746 | this.raiseRecoverable(expr.start, ("Identifier '" + (expr.name) + "' has already been declared"));
|
1747 | }
|
1748 | if (bindingType === "var") {
|
1749 | this.declareVarName(expr.name);
|
1750 | } else {
|
1751 | this.declareLexicalName(expr.name);
|
1752 | }
|
1753 | }
|
1754 | break
|
1755 |
|
1756 | case "MemberExpression":
|
1757 | if (bindingType) { this.raiseRecoverable(expr.start, "Binding member expression"); }
|
1758 | break
|
1759 |
|
1760 | case "ObjectPattern":
|
1761 | for (var i = 0, list = expr.properties; i < list.length; i += 1)
|
1762 | {
|
1763 | var prop = list[i];
|
1764 |
|
1765 | this$1.checkLVal(prop, bindingType, checkClashes);
|
1766 | }
|
1767 | break
|
1768 |
|
1769 | case "Property":
|
1770 |
|
1771 | this.checkLVal(expr.value, bindingType, checkClashes);
|
1772 | break
|
1773 |
|
1774 | case "ArrayPattern":
|
1775 | for (var i$1 = 0, list$1 = expr.elements; i$1 < list$1.length; i$1 += 1) {
|
1776 | var elem = list$1[i$1];
|
1777 |
|
1778 | if (elem) { this$1.checkLVal(elem, bindingType, checkClashes); }
|
1779 | }
|
1780 | break
|
1781 |
|
1782 | case "AssignmentPattern":
|
1783 | this.checkLVal(expr.left, bindingType, checkClashes);
|
1784 | break
|
1785 |
|
1786 | case "RestElement":
|
1787 | this.checkLVal(expr.argument, bindingType, checkClashes);
|
1788 | break
|
1789 |
|
1790 | case "ParenthesizedExpression":
|
1791 | this.checkLVal(expr.expression, bindingType, checkClashes);
|
1792 | break
|
1793 |
|
1794 | default:
|
1795 | this.raise(expr.start, (bindingType ? "Binding" : "Assigning to") + " rvalue");
|
1796 | }
|
1797 | };
|
1798 |
|
1799 |
|
1800 |
|
1801 |
|
1802 |
|
1803 |
|
1804 |
|
1805 |
|
1806 |
|
1807 |
|
1808 |
|
1809 |
|
1810 |
|
1811 |
|
1812 |
|
1813 |
|
1814 |
|
1815 |
|
1816 |
|
1817 | var pp$3 = Parser.prototype;
|
1818 |
|
1819 |
|
1820 |
|
1821 |
|
1822 |
|
1823 |
|
1824 | pp$3.checkPropClash = function(prop, propHash, refDestructuringErrors) {
|
1825 | if (this.options.ecmaVersion >= 9 && prop.type === "SpreadElement")
|
1826 | { return }
|
1827 | if (this.options.ecmaVersion >= 6 && (prop.computed || prop.method || prop.shorthand))
|
1828 | { return }
|
1829 | var key = prop.key;
|
1830 | var name;
|
1831 | switch (key.type) {
|
1832 | case "Identifier": name = key.name; break
|
1833 | case "Literal": name = String(key.value); break
|
1834 | default: return
|
1835 | }
|
1836 | var kind = prop.kind;
|
1837 | if (this.options.ecmaVersion >= 6) {
|
1838 | if (name === "__proto__" && kind === "init") {
|
1839 | if (propHash.proto) {
|
1840 | if (refDestructuringErrors && refDestructuringErrors.doubleProto < 0) { refDestructuringErrors.doubleProto = key.start; }
|
1841 |
|
1842 | else { this.raiseRecoverable(key.start, "Redefinition of __proto__ property"); }
|
1843 | }
|
1844 | propHash.proto = true;
|
1845 | }
|
1846 | return
|
1847 | }
|
1848 | name = "$" + name;
|
1849 | var other = propHash[name];
|
1850 | if (other) {
|
1851 | var redefinition;
|
1852 | if (kind === "init") {
|
1853 | redefinition = this.strict && other.init || other.get || other.set;
|
1854 | } else {
|
1855 | redefinition = other.init || other[kind];
|
1856 | }
|
1857 | if (redefinition)
|
1858 | { this.raiseRecoverable(key.start, "Redefinition of property"); }
|
1859 | } else {
|
1860 | other = propHash[name] = {
|
1861 | init: false,
|
1862 | get: false,
|
1863 | set: false
|
1864 | };
|
1865 | }
|
1866 | other[kind] = true;
|
1867 | };
|
1868 |
|
1869 | // ### Expression parsing
|
1870 |
|
1871 | // These nest, from the most general expression type at the top to
|
1872 | // 'atomic', nondivisible expression types at the bottom. Most of
|
1873 | // the functions will simply let the function(s) below them parse,
|
1874 | // and, *if* the syntactic construct they handle is present, wrap
|
1875 | // the AST node that the inner parser gave them in another node.
|
1876 |
|
1877 | // Parse a full expression. The optional arguments are used to
|
1878 | // forbid the `in` operator (in for loops initalization expressions)
|
1879 | // and provide reference for storing '=' operator inside shorthand
|
1880 | // property assignment in contexts where both object expression
|
1881 | // and object pattern might appear (so it's possible to raise
|
1882 | // delayed syntax error at correct position).
|
1883 |
|
1884 | pp$3.parseExpression = function(noIn, refDestructuringErrors) {
|
1885 | var this$1 = this;
|
1886 |
|
1887 | var startPos = this.start, startLoc = this.startLoc;
|
1888 | var expr = this.parseMaybeAssign(noIn, refDestructuringErrors);
|
1889 | if (this.type === types.comma) {
|
1890 | var node = this.startNodeAt(startPos, startLoc);
|
1891 | node.expressions = [expr];
|
1892 | while (this.eat(types.comma)) { node.expressions.push(this$1.parseMaybeAssign(noIn, refDestructuringErrors)); }
|
1893 | return this.finishNode(node, "SequenceExpression")
|
1894 | }
|
1895 | return expr
|
1896 | };
|
1897 |
|
1898 |
|
1899 |
|
1900 |
|
1901 | pp$3.parseMaybeAssign = function(noIn, refDestructuringErrors, afterLeftParse) {
|
1902 | if (this.inGenerator && this.isContextual("yield")) { return this.parseYield() }
|
1903 |
|
1904 | var ownDestructuringErrors = false, oldParenAssign = -1, oldTrailingComma = -1;
|
1905 | if (refDestructuringErrors) {
|
1906 | oldParenAssign = refDestructuringErrors.parenthesizedAssign;
|
1907 | oldTrailingComma = refDestructuringErrors.trailingComma;
|
1908 | refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = -1;
|
1909 | } else {
|
1910 | refDestructuringErrors = new DestructuringErrors;
|
1911 | ownDestructuringErrors = true;
|
1912 | }
|
1913 |
|
1914 | var startPos = this.start, startLoc = this.startLoc;
|
1915 | if (this.type == types.parenL || this.type == types.name)
|
1916 | { this.potentialArrowAt = this.start; }
|
1917 | var left = this.parseMaybeConditional(noIn, refDestructuringErrors);
|
1918 | if (afterLeftParse) { left = afterLeftParse.call(this, left, startPos, startLoc); }
|
1919 | if (this.type.isAssign) {
|
1920 | var node = this.startNodeAt(startPos, startLoc);
|
1921 | node.operator = this.value;
|
1922 | node.left = this.type === types.eq ? this.toAssignable(left, false, refDestructuringErrors) : left;
|
1923 | if (!ownDestructuringErrors) { DestructuringErrors.call(refDestructuringErrors); }
|
1924 | refDestructuringErrors.shorthandAssign = -1;
|
1925 | this.checkLVal(left);
|
1926 | this.next();
|
1927 | node.right = this.parseMaybeAssign(noIn);
|
1928 | return this.finishNode(node, "AssignmentExpression")
|
1929 | } else {
|
1930 | if (ownDestructuringErrors) { this.checkExpressionErrors(refDestructuringErrors, true); }
|
1931 | }
|
1932 | if (oldParenAssign > -1) { refDestructuringErrors.parenthesizedAssign = oldParenAssign; }
|
1933 | if (oldTrailingComma > -1) { refDestructuringErrors.trailingComma = oldTrailingComma; }
|
1934 | return left
|
1935 | };
|
1936 |
|
1937 |
|
1938 |
|
1939 | pp$3.parseMaybeConditional = function(noIn, refDestructuringErrors) {
|
1940 | var startPos = this.start, startLoc = this.startLoc;
|
1941 | var expr = this.parseExprOps(noIn, refDestructuringErrors);
|
1942 | if (this.checkExpressionErrors(refDestructuringErrors)) { return expr }
|
1943 | if (this.eat(types.question)) {
|
1944 | var node = this.startNodeAt(startPos, startLoc);
|
1945 | node.test = expr;
|
1946 | node.consequent = this.parseMaybeAssign();
|
1947 | this.expect(types.colon);
|
1948 | node.alternate = this.parseMaybeAssign(noIn);
|
1949 | return this.finishNode(node, "ConditionalExpression")
|
1950 | }
|
1951 | return expr
|
1952 | };
|
1953 |
|
1954 |
|
1955 |
|
1956 | pp$3.parseExprOps = function(noIn, refDestructuringErrors) {
|
1957 | var startPos = this.start, startLoc = this.startLoc;
|
1958 | var expr = this.parseMaybeUnary(refDestructuringErrors, false);
|
1959 | if (this.checkExpressionErrors(refDestructuringErrors)) { return expr }
|
1960 | return expr.start == startPos && expr.type === "ArrowFunctionExpression" ? expr : this.parseExprOp(expr, startPos, startLoc, -1, noIn)
|
1961 | };
|
1962 |
|
1963 |
|
1964 |
|
1965 |
|
1966 |
|
1967 |
|
1968 |
|
1969 | pp$3.parseExprOp = function(left, leftStartPos, leftStartLoc, minPrec, noIn) {
|
1970 | var prec = this.type.binop;
|
1971 | if (prec != null && (!noIn || this.type !== types._in)) {
|
1972 | if (prec > minPrec) {
|
1973 | var logical = this.type === types.logicalOR || this.type === types.logicalAND;
|
1974 | var op = this.value;
|
1975 | this.next();
|
1976 | var startPos = this.start, startLoc = this.startLoc;
|
1977 | var right = this.parseExprOp(this.parseMaybeUnary(null, false), startPos, startLoc, prec, noIn);
|
1978 | var node = this.buildBinary(leftStartPos, leftStartLoc, left, right, op, logical);
|
1979 | return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec, noIn)
|
1980 | }
|
1981 | }
|
1982 | return left
|
1983 | };
|
1984 |
|
1985 | pp$3.buildBinary = function(startPos, startLoc, left, right, op, logical) {
|
1986 | var node = this.startNodeAt(startPos, startLoc);
|
1987 | node.left = left;
|
1988 | node.operator = op;
|
1989 | node.right = right;
|
1990 | return this.finishNode(node, logical ? "LogicalExpression" : "BinaryExpression")
|
1991 | };
|
1992 |
|
1993 |
|
1994 |
|
1995 | pp$3.parseMaybeUnary = function(refDestructuringErrors, sawUnary) {
|
1996 | var this$1 = this;
|
1997 |
|
1998 | var startPos = this.start, startLoc = this.startLoc, expr;
|
1999 | if (this.inAsync && this.isContextual("await")) {
|
2000 | expr = this.parseAwait();
|
2001 | sawUnary = true;
|
2002 | } else if (this.type.prefix) {
|
2003 | var node = this.startNode(), update = this.type === types.incDec;
|
2004 | node.operator = this.value;
|
2005 | node.prefix = true;
|
2006 | this.next();
|
2007 | node.argument = this.parseMaybeUnary(null, true);
|
2008 | this.checkExpressionErrors(refDestructuringErrors, true);
|
2009 | if (update) { this.checkLVal(node.argument); }
|
2010 | else if (this.strict && node.operator === "delete" &&
|
2011 | node.argument.type === "Identifier")
|
2012 | { this.raiseRecoverable(node.start, "Deleting local variable in strict mode"); }
|
2013 | else { sawUnary = true; }
|
2014 | expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression");
|
2015 | } else {
|
2016 | expr = this.parseExprSubscripts(refDestructuringErrors);
|
2017 | if (this.checkExpressionErrors(refDestructuringErrors)) { return expr }
|
2018 | while (this.type.postfix && !this.canInsertSemicolon()) {
|
2019 | var node$1 = this$1.startNodeAt(startPos, startLoc);
|
2020 | node$1.operator = this$1.value;
|
2021 | node$1.prefix = false;
|
2022 | node$1.argument = expr;
|
2023 | this$1.checkLVal(expr);
|
2024 | this$1.next();
|
2025 | expr = this$1.finishNode(node$1, "UpdateExpression");
|
2026 | }
|
2027 | }
|
2028 |
|
2029 | if (!sawUnary && this.eat(types.starstar))
|
2030 | { return this.buildBinary(startPos, startLoc, expr, this.parseMaybeUnary(null, false), "**", false) }
|
2031 | else
|
2032 | { return expr }
|
2033 | };
|
2034 |
|
2035 |
|
2036 |
|
2037 | pp$3.parseExprSubscripts = function(refDestructuringErrors) {
|
2038 | var startPos = this.start, startLoc = this.startLoc;
|
2039 | var expr = this.parseExprAtom(refDestructuringErrors);
|
2040 | var skipArrowSubscripts = expr.type === "ArrowFunctionExpression" && this.input.slice(this.lastTokStart, this.lastTokEnd) !== ")";
|
2041 | if (this.checkExpressionErrors(refDestructuringErrors) || skipArrowSubscripts) { return expr }
|
2042 | var result = this.parseSubscripts(expr, startPos, startLoc);
|
2043 | if (refDestructuringErrors && result.type === "MemberExpression") {
|
2044 | if (refDestructuringErrors.parenthesizedAssign >= result.start) { refDestructuringErrors.parenthesizedAssign = -1; }
|
2045 | if (refDestructuringErrors.parenthesizedBind >= result.start) { refDestructuringErrors.parenthesizedBind = -1; }
|
2046 | }
|
2047 | return result
|
2048 | };
|
2049 |
|
2050 | pp$3.parseSubscripts = function(base, startPos, startLoc, noCalls) {
|
2051 | var this$1 = this;
|
2052 |
|
2053 | var maybeAsyncArrow = this.options.ecmaVersion >= 8 && base.type === "Identifier" && base.name === "async" &&
|
2054 | this.lastTokEnd == base.end && !this.canInsertSemicolon() && this.input.slice(base.start, base.end) === "async";
|
2055 | for (var computed = (void 0);;) {
|
2056 | if ((computed = this$1.eat(types.bracketL)) || this$1.eat(types.dot)) {
|
2057 | var node = this$1.startNodeAt(startPos, startLoc);
|
2058 | node.object = base;
|
2059 | node.property = computed ? this$1.parseExpression() : this$1.parseIdent(true);
|
2060 | node.computed = !!computed;
|
2061 | if (computed) { this$1.expect(types.bracketR); }
|
2062 | base = this$1.finishNode(node, "MemberExpression");
|
2063 | } else if (!noCalls && this$1.eat(types.parenL)) {
|
2064 | var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this$1.yieldPos, oldAwaitPos = this$1.awaitPos;
|
2065 | this$1.yieldPos = 0;
|
2066 | this$1.awaitPos = 0;
|
2067 | var exprList = this$1.parseExprList(types.parenR, this$1.options.ecmaVersion >= 8, false, refDestructuringErrors);
|
2068 | if (maybeAsyncArrow && !this$1.canInsertSemicolon() && this$1.eat(types.arrow)) {
|
2069 | this$1.checkPatternErrors(refDestructuringErrors, false);
|
2070 | this$1.checkYieldAwaitInDefaultParams();
|
2071 | this$1.yieldPos = oldYieldPos;
|
2072 | this$1.awaitPos = oldAwaitPos;
|
2073 | return this$1.parseArrowExpression(this$1.startNodeAt(startPos, startLoc), exprList, true)
|
2074 | }
|
2075 | this$1.checkExpressionErrors(refDestructuringErrors, true);
|
2076 | this$1.yieldPos = oldYieldPos || this$1.yieldPos;
|
2077 | this$1.awaitPos = oldAwaitPos || this$1.awaitPos;
|
2078 | var node$1 = this$1.startNodeAt(startPos, startLoc);
|
2079 | node$1.callee = base;
|
2080 | node$1.arguments = exprList;
|
2081 | base = this$1.finishNode(node$1, "CallExpression");
|
2082 | } else if (this$1.type === types.backQuote) {
|
2083 | var node$2 = this$1.startNodeAt(startPos, startLoc);
|
2084 | node$2.tag = base;
|
2085 | node$2.quasi = this$1.parseTemplate({isTagged: true});
|
2086 | base = this$1.finishNode(node$2, "TaggedTemplateExpression");
|
2087 | } else {
|
2088 | return base
|
2089 | }
|
2090 | }
|
2091 | };
|
2092 |
|
2093 |
|
2094 |
|
2095 |
|
2096 |
|
2097 |
|
2098 | pp$3.parseExprAtom = function(refDestructuringErrors) {
|
2099 | var node, canBeArrow = this.potentialArrowAt == this.start;
|
2100 | switch (this.type) {
|
2101 | case types._super:
|
2102 | if (!this.inFunction)
|
2103 | { this.raise(this.start, "'super' outside of function or class"); }
|
2104 | node = this.startNode();
|
2105 | this.next();
|
2106 |
|
2107 |
|
2108 |
|
2109 |
|
2110 |
|
2111 |
|
2112 | if (this.type !== types.dot && this.type !== types.bracketL && this.type !== types.parenL)
|
2113 | { this.unexpected(); }
|
2114 | return this.finishNode(node, "Super")
|
2115 |
|
2116 | case types._this:
|
2117 | node = this.startNode();
|
2118 | this.next();
|
2119 | return this.finishNode(node, "ThisExpression")
|
2120 |
|
2121 | case types.name:
|
2122 | var startPos = this.start, startLoc = this.startLoc, containsEsc = this.containsEsc;
|
2123 | var id = this.parseIdent(this.type !== types.name);
|
2124 | if (this.options.ecmaVersion >= 8 && !containsEsc && id.name === "async" && !this.canInsertSemicolon() && this.eat(types._function))
|
2125 | { return this.parseFunction(this.startNodeAt(startPos, startLoc), false, false, true) }
|
2126 | if (canBeArrow && !this.canInsertSemicolon()) {
|
2127 | if (this.eat(types.arrow))
|
2128 | { return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], false) }
|
2129 | if (this.options.ecmaVersion >= 8 && id.name === "async" && this.type === types.name && !containsEsc) {
|
2130 | id = this.parseIdent();
|
2131 | if (this.canInsertSemicolon() || !this.eat(types.arrow))
|
2132 | { this.unexpected(); }
|
2133 | return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], true)
|
2134 | }
|
2135 | }
|
2136 | return id
|
2137 |
|
2138 | case types.regexp:
|
2139 | var value = this.value;
|
2140 | node = this.parseLiteral(value.value);
|
2141 | node.regex = {pattern: value.pattern, flags: value.flags};
|
2142 | return node
|
2143 |
|
2144 | case types.num: case types.string:
|
2145 | return this.parseLiteral(this.value)
|
2146 |
|
2147 | case types._null: case types._true: case types._false:
|
2148 | node = this.startNode();
|
2149 | node.value = this.type === types._null ? null : this.type === types._true;
|
2150 | node.raw = this.type.keyword;
|
2151 | this.next();
|
2152 | return this.finishNode(node, "Literal")
|
2153 |
|
2154 | case types.parenL:
|
2155 | var start = this.start, expr = this.parseParenAndDistinguishExpression(canBeArrow);
|
2156 | if (refDestructuringErrors) {
|
2157 | if (refDestructuringErrors.parenthesizedAssign < 0 && !this.isSimpleAssignTarget(expr))
|
2158 | { refDestructuringErrors.parenthesizedAssign = start; }
|
2159 | if (refDestructuringErrors.parenthesizedBind < 0)
|
2160 | { refDestructuringErrors.parenthesizedBind = start; }
|
2161 | }
|
2162 | return expr
|
2163 |
|
2164 | case types.bracketL:
|
2165 | node = this.startNode();
|
2166 | this.next();
|
2167 | node.elements = this.parseExprList(types.bracketR, true, true, refDestructuringErrors);
|
2168 | return this.finishNode(node, "ArrayExpression")
|
2169 |
|
2170 | case types.braceL:
|
2171 | return this.parseObj(false, refDestructuringErrors)
|
2172 |
|
2173 | case types._function:
|
2174 | node = this.startNode();
|
2175 | this.next();
|
2176 | return this.parseFunction(node, false)
|
2177 |
|
2178 | case types._class:
|
2179 | return this.parseClass(this.startNode(), false)
|
2180 |
|
2181 | case types._new:
|
2182 | return this.parseNew()
|
2183 |
|
2184 | case types.backQuote:
|
2185 | return this.parseTemplate()
|
2186 |
|
2187 | default:
|
2188 | this.unexpected();
|
2189 | }
|
2190 | };
|
2191 |
|
2192 | pp$3.parseLiteral = function(value) {
|
2193 | var node = this.startNode();
|
2194 | node.value = value;
|
2195 | node.raw = this.input.slice(this.start, this.end);
|
2196 | this.next();
|
2197 | return this.finishNode(node, "Literal")
|
2198 | };
|
2199 |
|
2200 | pp$3.parseParenExpression = function() {
|
2201 | this.expect(types.parenL);
|
2202 | var val = this.parseExpression();
|
2203 | this.expect(types.parenR);
|
2204 | return val
|
2205 | };
|
2206 |
|
2207 | pp$3.parseParenAndDistinguishExpression = function(canBeArrow) {
|
2208 | var this$1 = this;
|
2209 |
|
2210 | var startPos = this.start, startLoc = this.startLoc, val, allowTrailingComma = this.options.ecmaVersion >= 8;
|
2211 | if (this.options.ecmaVersion >= 6) {
|
2212 | this.next();
|
2213 |
|
2214 | var innerStartPos = this.start, innerStartLoc = this.startLoc;
|
2215 | var exprList = [], first = true, lastIsComma = false;
|
2216 | var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, spreadStart;
|
2217 | this.yieldPos = 0;
|
2218 | this.awaitPos = 0;
|
2219 | while (this.type !== types.parenR) {
|
2220 | first ? first = false : this$1.expect(types.comma);
|
2221 | if (allowTrailingComma && this$1.afterTrailingComma(types.parenR, true)) {
|
2222 | lastIsComma = true;
|
2223 | break
|
2224 | } else if (this$1.type === types.ellipsis) {
|
2225 | spreadStart = this$1.start;
|
2226 | exprList.push(this$1.parseParenItem(this$1.parseRestBinding()));
|
2227 | if (this$1.type === types.comma) { this$1.raise(this$1.start, "Comma is not permitted after the rest element"); }
|
2228 | break
|
2229 | } else {
|
2230 | exprList.push(this$1.parseMaybeAssign(false, refDestructuringErrors, this$1.parseParenItem));
|
2231 | }
|
2232 | }
|
2233 | var innerEndPos = this.start, innerEndLoc = this.startLoc;
|
2234 | this.expect(types.parenR);
|
2235 |
|
2236 | if (canBeArrow && !this.canInsertSemicolon() && this.eat(types.arrow)) {
|
2237 | this.checkPatternErrors(refDestructuringErrors, false);
|
2238 | this.checkYieldAwaitInDefaultParams();
|
2239 | this.yieldPos = oldYieldPos;
|
2240 | this.awaitPos = oldAwaitPos;
|
2241 | return this.parseParenArrowList(startPos, startLoc, exprList)
|
2242 | }
|
2243 |
|
2244 | if (!exprList.length || lastIsComma) { this.unexpected(this.lastTokStart); }
|
2245 | if (spreadStart) { this.unexpected(spreadStart); }
|
2246 | this.checkExpressionErrors(refDestructuringErrors, true);
|
2247 | this.yieldPos = oldYieldPos || this.yieldPos;
|
2248 | this.awaitPos = oldAwaitPos || this.awaitPos;
|
2249 |
|
2250 | if (exprList.length > 1) {
|
2251 | val = this.startNodeAt(innerStartPos, innerStartLoc);
|
2252 | val.expressions = exprList;
|
2253 | this.finishNodeAt(val, "SequenceExpression", innerEndPos, innerEndLoc);
|
2254 | } else {
|
2255 | val = exprList[0];
|
2256 | }
|
2257 | } else {
|
2258 | val = this.parseParenExpression();
|
2259 | }
|
2260 |
|
2261 | if (this.options.preserveParens) {
|
2262 | var par = this.startNodeAt(startPos, startLoc);
|
2263 | par.expression = val;
|
2264 | return this.finishNode(par, "ParenthesizedExpression")
|
2265 | } else {
|
2266 | return val
|
2267 | }
|
2268 | };
|
2269 |
|
2270 | pp$3.parseParenItem = function(item) {
|
2271 | return item
|
2272 | };
|
2273 |
|
2274 | pp$3.parseParenArrowList = function(startPos, startLoc, exprList) {
|
2275 | return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList)
|
2276 | };
|
2277 |
|
2278 |
|
2279 |
|
2280 |
|
2281 |
|
2282 |
|
2283 |
|
2284 | var empty$1 = [];
|
2285 |
|
2286 | pp$3.parseNew = function() {
|
2287 | var node = this.startNode();
|
2288 | var meta = this.parseIdent(true);
|
2289 | if (this.options.ecmaVersion >= 6 && this.eat(types.dot)) {
|
2290 | node.meta = meta;
|
2291 | var containsEsc = this.containsEsc;
|
2292 | node.property = this.parseIdent(true);
|
2293 | if (node.property.name !== "target" || containsEsc)
|
2294 | { this.raiseRecoverable(node.property.start, "The only valid meta property for new is new.target"); }
|
2295 | if (!this.inFunction)
|
2296 | { this.raiseRecoverable(node.start, "new.target can only be used in functions"); }
|
2297 | return this.finishNode(node, "MetaProperty")
|
2298 | }
|
2299 | var startPos = this.start, startLoc = this.startLoc;
|
2300 | node.callee = this.parseSubscripts(this.parseExprAtom(), startPos, startLoc, true);
|
2301 | if (this.eat(types.parenL)) { node.arguments = this.parseExprList(types.parenR, this.options.ecmaVersion >= 8, false); }
|
2302 | else { node.arguments = empty$1; }
|
2303 | return this.finishNode(node, "NewExpression")
|
2304 | };
|
2305 |
|
2306 |
|
2307 |
|
2308 | pp$3.parseTemplateElement = function(ref) {
|
2309 | var isTagged = ref.isTagged;
|
2310 |
|
2311 | var elem = this.startNode();
|
2312 | if (this.type === types.invalidTemplate) {
|
2313 | if (!isTagged) {
|
2314 | this.raiseRecoverable(this.start, "Bad escape sequence in untagged template literal");
|
2315 | }
|
2316 | elem.value = {
|
2317 | raw: this.value,
|
2318 | cooked: null
|
2319 | };
|
2320 | } else {
|
2321 | elem.value = {
|
2322 | raw: this.input.slice(this.start, this.end).replace(/\r\n?/g, "\n"),
|
2323 | cooked: this.value
|
2324 | };
|
2325 | }
|
2326 | this.next();
|
2327 | elem.tail = this.type === types.backQuote;
|
2328 | return this.finishNode(elem, "TemplateElement")
|
2329 | };
|
2330 |
|
2331 | pp$3.parseTemplate = function(ref) {
|
2332 | var this$1 = this;
|
2333 | if ( ref === void 0 ) ref = {};
|
2334 | var isTagged = ref.isTagged; if ( isTagged === void 0 ) isTagged = false;
|
2335 |
|
2336 | var node = this.startNode();
|
2337 | this.next();
|
2338 | node.expressions = [];
|
2339 | var curElt = this.parseTemplateElement({isTagged: isTagged});
|
2340 | node.quasis = [curElt];
|
2341 | while (!curElt.tail) {
|
2342 | this$1.expect(types.dollarBraceL);
|
2343 | node.expressions.push(this$1.parseExpression());
|
2344 | this$1.expect(types.braceR);
|
2345 | node.quasis.push(curElt = this$1.parseTemplateElement({isTagged: isTagged}));
|
2346 | }
|
2347 | this.next();
|
2348 | return this.finishNode(node, "TemplateLiteral")
|
2349 | };
|
2350 |
|
2351 | pp$3.isAsyncProp = function(prop) {
|
2352 | return !prop.computed && prop.key.type === "Identifier" && prop.key.name === "async" &&
|
2353 | (this.type === types.name || this.type === types.num || this.type === types.string || this.type === types.bracketL || this.type.keyword || (this.options.ecmaVersion >= 9 && this.type === types.star)) &&
|
2354 | !lineBreak.test(this.input.slice(this.lastTokEnd, this.start))
|
2355 | };
|
2356 |
|
2357 |
|
2358 |
|
2359 | pp$3.parseObj = function(isPattern, refDestructuringErrors) {
|
2360 | var this$1 = this;
|
2361 |
|
2362 | var node = this.startNode(), first = true, propHash = {};
|
2363 | node.properties = [];
|
2364 | this.next();
|
2365 | while (!this.eat(types.braceR)) {
|
2366 | if (!first) {
|
2367 | this$1.expect(types.comma);
|
2368 | if (this$1.afterTrailingComma(types.braceR)) { break }
|
2369 | } else { first = false; }
|
2370 |
|
2371 | var prop = this$1.parseProperty(isPattern, refDestructuringErrors);
|
2372 | if (!isPattern) { this$1.checkPropClash(prop, propHash, refDestructuringErrors); }
|
2373 | node.properties.push(prop);
|
2374 | }
|
2375 | return this.finishNode(node, isPattern ? "ObjectPattern" : "ObjectExpression")
|
2376 | };
|
2377 |
|
2378 | pp$3.parseProperty = function(isPattern, refDestructuringErrors) {
|
2379 | var prop = this.startNode(), isGenerator, isAsync, startPos, startLoc;
|
2380 | if (this.options.ecmaVersion >= 9 && this.eat(types.ellipsis)) {
|
2381 | if (isPattern) {
|
2382 | prop.argument = this.parseIdent(false);
|
2383 | if (this.type === types.comma) {
|
2384 | this.raise(this.start, "Comma is not permitted after the rest element");
|
2385 | }
|
2386 | return this.finishNode(prop, "RestElement")
|
2387 | }
|
2388 |
|
2389 | if (this.type === types.parenL && refDestructuringErrors) {
|
2390 | if (refDestructuringErrors.parenthesizedAssign < 0) {
|
2391 | refDestructuringErrors.parenthesizedAssign = this.start;
|
2392 | }
|
2393 | if (refDestructuringErrors.parenthesizedBind < 0) {
|
2394 | refDestructuringErrors.parenthesizedBind = this.start;
|
2395 | }
|
2396 | }
|
2397 |
|
2398 | prop.argument = this.parseMaybeAssign(false, refDestructuringErrors);
|
2399 |
|
2400 | if (this.type === types.comma && refDestructuringErrors && refDestructuringErrors.trailingComma < 0) {
|
2401 | refDestructuringErrors.trailingComma = this.start;
|
2402 | }
|
2403 |
|
2404 | return this.finishNode(prop, "SpreadElement")
|
2405 | }
|
2406 | if (this.options.ecmaVersion >= 6) {
|
2407 | prop.method = false;
|
2408 | prop.shorthand = false;
|
2409 | if (isPattern || refDestructuringErrors) {
|
2410 | startPos = this.start;
|
2411 | startLoc = this.startLoc;
|
2412 | }
|
2413 | if (!isPattern)
|
2414 | { isGenerator = this.eat(types.star); }
|
2415 | }
|
2416 | var containsEsc = this.containsEsc;
|
2417 | this.parsePropertyName(prop);
|
2418 | if (!isPattern && !containsEsc && this.options.ecmaVersion >= 8 && !isGenerator && this.isAsyncProp(prop)) {
|
2419 | isAsync = true;
|
2420 | isGenerator = this.options.ecmaVersion >= 9 && this.eat(types.star);
|
2421 | this.parsePropertyName(prop, refDestructuringErrors);
|
2422 | } else {
|
2423 | isAsync = false;
|
2424 | }
|
2425 | this.parsePropertyValue(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc);
|
2426 | return this.finishNode(prop, "Property")
|
2427 | };
|
2428 |
|
2429 | pp$3.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc) {
|
2430 | if ((isGenerator || isAsync) && this.type === types.colon)
|
2431 | { this.unexpected(); }
|
2432 |
|
2433 | if (this.eat(types.colon)) {
|
2434 | prop.value = isPattern ? this.parseMaybeDefault(this.start, this.startLoc) : this.parseMaybeAssign(false, refDestructuringErrors);
|
2435 | prop.kind = "init";
|
2436 | } else if (this.options.ecmaVersion >= 6 && this.type === types.parenL) {
|
2437 | if (isPattern) { this.unexpected(); }
|
2438 | prop.kind = "init";
|
2439 | prop.method = true;
|
2440 | prop.value = this.parseMethod(isGenerator, isAsync);
|
2441 | } else if (!isPattern && !containsEsc &&
|
2442 | this.options.ecmaVersion >= 5 && !prop.computed && prop.key.type === "Identifier" &&
|
2443 | (prop.key.name === "get" || prop.key.name === "set") &&
|
2444 | (this.type != types.comma && this.type != types.braceR)) {
|
2445 | if (isGenerator || isAsync) { this.unexpected(); }
|
2446 | prop.kind = prop.key.name;
|
2447 | this.parsePropertyName(prop);
|
2448 | prop.value = this.parseMethod(false);
|
2449 | var paramCount = prop.kind === "get" ? 0 : 1;
|
2450 | if (prop.value.params.length !== paramCount) {
|
2451 | var start = prop.value.start;
|
2452 | if (prop.kind === "get")
|
2453 | { this.raiseRecoverable(start, "getter should have no params"); }
|
2454 | else
|
2455 | { this.raiseRecoverable(start, "setter should have exactly one param"); }
|
2456 | } else {
|
2457 | if (prop.kind === "set" && prop.value.params[0].type === "RestElement")
|
2458 | { this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params"); }
|
2459 | }
|
2460 | } else if (this.options.ecmaVersion >= 6 && !prop.computed && prop.key.type === "Identifier") {
|
2461 | this.checkUnreserved(prop.key);
|
2462 | prop.kind = "init";
|
2463 | if (isPattern) {
|
2464 | prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key);
|
2465 | } else if (this.type === types.eq && refDestructuringErrors) {
|
2466 | if (refDestructuringErrors.shorthandAssign < 0)
|
2467 | { refDestructuringErrors.shorthandAssign = this.start; }
|
2468 | prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key);
|
2469 | } else {
|
2470 | prop.value = prop.key;
|
2471 | }
|
2472 | prop.shorthand = true;
|
2473 | } else { this.unexpected(); }
|
2474 | };
|
2475 |
|
2476 | pp$3.parsePropertyName = function(prop) {
|
2477 | if (this.options.ecmaVersion >= 6) {
|
2478 | if (this.eat(types.bracketL)) {
|
2479 | prop.computed = true;
|
2480 | prop.key = this.parseMaybeAssign();
|
2481 | this.expect(types.bracketR);
|
2482 | return prop.key
|
2483 | } else {
|
2484 | prop.computed = false;
|
2485 | }
|
2486 | }
|
2487 | return prop.key = this.type === types.num || this.type === types.string ? this.parseExprAtom() : this.parseIdent(true)
|
2488 | };
|
2489 |
|
2490 |
|
2491 |
|
2492 | pp$3.initFunction = function(node) {
|
2493 | node.id = null;
|
2494 | if (this.options.ecmaVersion >= 6) {
|
2495 | node.generator = false;
|
2496 | node.expression = false;
|
2497 | }
|
2498 | if (this.options.ecmaVersion >= 8)
|
2499 | { node.async = false; }
|
2500 | };
|
2501 |
|
2502 |
|
2503 |
|
2504 | pp$3.parseMethod = function(isGenerator, isAsync) {
|
2505 | var node = this.startNode(), oldInGen = this.inGenerator, oldInAsync = this.inAsync,
|
2506 | oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldInFunc = this.inFunction;
|
2507 |
|
2508 | this.initFunction(node);
|
2509 | if (this.options.ecmaVersion >= 6)
|
2510 | { node.generator = isGenerator; }
|
2511 | if (this.options.ecmaVersion >= 8)
|
2512 | { node.async = !!isAsync; }
|
2513 |
|
2514 | this.inGenerator = node.generator;
|
2515 | this.inAsync = node.async;
|
2516 | this.yieldPos = 0;
|
2517 | this.awaitPos = 0;
|
2518 | this.inFunction = true;
|
2519 | this.enterFunctionScope();
|
2520 |
|
2521 | this.expect(types.parenL);
|
2522 | node.params = this.parseBindingList(types.parenR, false, this.options.ecmaVersion >= 8);
|
2523 | this.checkYieldAwaitInDefaultParams();
|
2524 | this.parseFunctionBody(node, false);
|
2525 |
|
2526 | this.inGenerator = oldInGen;
|
2527 | this.inAsync = oldInAsync;
|
2528 | this.yieldPos = oldYieldPos;
|
2529 | this.awaitPos = oldAwaitPos;
|
2530 | this.inFunction = oldInFunc;
|
2531 | return this.finishNode(node, "FunctionExpression")
|
2532 | };
|
2533 |
|
2534 |
|
2535 |
|
2536 | pp$3.parseArrowExpression = function(node, params, isAsync) {
|
2537 | var oldInGen = this.inGenerator, oldInAsync = this.inAsync,
|
2538 | oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldInFunc = this.inFunction;
|
2539 |
|
2540 | this.enterFunctionScope();
|
2541 | this.initFunction(node);
|
2542 | if (this.options.ecmaVersion >= 8)
|
2543 | { node.async = !!isAsync; }
|
2544 |
|
2545 | this.inGenerator = false;
|
2546 | this.inAsync = node.async;
|
2547 | this.yieldPos = 0;
|
2548 | this.awaitPos = 0;
|
2549 | this.inFunction = true;
|
2550 |
|
2551 | node.params = this.toAssignableList(params, true);
|
2552 | this.parseFunctionBody(node, true);
|
2553 |
|
2554 | this.inGenerator = oldInGen;
|
2555 | this.inAsync = oldInAsync;
|
2556 | this.yieldPos = oldYieldPos;
|
2557 | this.awaitPos = oldAwaitPos;
|
2558 | this.inFunction = oldInFunc;
|
2559 | return this.finishNode(node, "ArrowFunctionExpression")
|
2560 | };
|
2561 |
|
2562 |
|
2563 |
|
2564 | pp$3.parseFunctionBody = function(node, isArrowFunction) {
|
2565 | var isExpression = isArrowFunction && this.type !== types.braceL;
|
2566 | var oldStrict = this.strict, useStrict = false;
|
2567 |
|
2568 | if (isExpression) {
|
2569 | node.body = this.parseMaybeAssign();
|
2570 | node.expression = true;
|
2571 | this.checkParams(node, false);
|
2572 | } else {
|
2573 | var nonSimple = this.options.ecmaVersion >= 7 && !this.isSimpleParamList(node.params);
|
2574 | if (!oldStrict || nonSimple) {
|
2575 | useStrict = this.strictDirective(this.end);
|
2576 |
|
2577 |
|
2578 |
|
2579 | if (useStrict && nonSimple)
|
2580 | { this.raiseRecoverable(node.start, "Illegal 'use strict' directive in function with non-simple parameter list"); }
|
2581 | }
|
2582 |
|
2583 |
|
2584 | var oldLabels = this.labels;
|
2585 | this.labels = [];
|
2586 | if (useStrict) { this.strict = true; }
|
2587 |
|
2588 |
|
2589 |
|
2590 | this.checkParams(node, !oldStrict && !useStrict && !isArrowFunction && this.isSimpleParamList(node.params));
|
2591 | node.body = this.parseBlock(false);
|
2592 | node.expression = false;
|
2593 | this.adaptDirectivePrologue(node.body.body);
|
2594 | this.labels = oldLabels;
|
2595 | }
|
2596 | this.exitFunctionScope();
|
2597 |
|
2598 | if (this.strict && node.id) {
|
2599 |
|
2600 | this.checkLVal(node.id, "none");
|
2601 | }
|
2602 | this.strict = oldStrict;
|
2603 | };
|
2604 |
|
2605 | pp$3.isSimpleParamList = function(params) {
|
2606 | for (var i = 0, list = params; i < list.length; i += 1)
|
2607 | {
|
2608 | var param = list[i];
|
2609 |
|
2610 | if (param.type !== "Identifier") { return false
|
2611 | } }
|
2612 | return true
|
2613 | };
|
2614 |
|
2615 |
|
2616 |
|
2617 |
|
2618 | pp$3.checkParams = function(node, allowDuplicates) {
|
2619 | var this$1 = this;
|
2620 |
|
2621 | var nameHash = {};
|
2622 | for (var i = 0, list = node.params; i < list.length; i += 1)
|
2623 | {
|
2624 | var param = list[i];
|
2625 |
|
2626 | this$1.checkLVal(param, "var", allowDuplicates ? null : nameHash);
|
2627 | }
|
2628 | };
|
2629 |
|
2630 |
|
2631 |
|
2632 |
|
2633 |
|
2634 |
|
2635 |
|
2636 | pp$3.parseExprList = function(close, allowTrailingComma, allowEmpty, refDestructuringErrors) {
|
2637 | var this$1 = this;
|
2638 |
|
2639 | var elts = [], first = true;
|
2640 | while (!this.eat(close)) {
|
2641 | if (!first) {
|
2642 | this$1.expect(types.comma);
|
2643 | if (allowTrailingComma && this$1.afterTrailingComma(close)) { break }
|
2644 | } else { first = false; }
|
2645 |
|
2646 | var elt = (void 0);
|
2647 | if (allowEmpty && this$1.type === types.comma)
|
2648 | { elt = null; }
|
2649 | else if (this$1.type === types.ellipsis) {
|
2650 | elt = this$1.parseSpread(refDestructuringErrors);
|
2651 | if (refDestructuringErrors && this$1.type === types.comma && refDestructuringErrors.trailingComma < 0)
|
2652 | { refDestructuringErrors.trailingComma = this$1.start; }
|
2653 | } else {
|
2654 | elt = this$1.parseMaybeAssign(false, refDestructuringErrors);
|
2655 | }
|
2656 | elts.push(elt);
|
2657 | }
|
2658 | return elts
|
2659 | };
|
2660 |
|
2661 | pp$3.checkUnreserved = function(ref) {
|
2662 | var start = ref.start;
|
2663 | var end = ref.end;
|
2664 | var name = ref.name;
|
2665 |
|
2666 | if (this.inGenerator && name === "yield")
|
2667 | { this.raiseRecoverable(start, "Can not use 'yield' as identifier inside a generator"); }
|
2668 | if (this.inAsync && name === "await")
|
2669 | { this.raiseRecoverable(start, "Can not use 'await' as identifier inside an async function"); }
|
2670 | if (this.isKeyword(name))
|
2671 | { this.raise(start, ("Unexpected keyword '" + name + "'")); }
|
2672 | if (this.options.ecmaVersion < 6 &&
|
2673 | this.input.slice(start, end).indexOf("\\") != -1) { return }
|
2674 | var re = this.strict ? this.reservedWordsStrict : this.reservedWords;
|
2675 | if (re.test(name)) {
|
2676 | if (!this.inAsync && name === "await")
|
2677 | { this.raiseRecoverable(start, "Can not use keyword 'await' outside an async function"); }
|
2678 | this.raiseRecoverable(start, ("The keyword '" + name + "' is reserved"));
|
2679 | }
|
2680 | };
|
2681 |
|
2682 |
|
2683 |
|
2684 |
|
2685 |
|
2686 | pp$3.parseIdent = function(liberal, isBinding) {
|
2687 | var node = this.startNode();
|
2688 | if (liberal && this.options.allowReserved == "never") { liberal = false; }
|
2689 | if (this.type === types.name) {
|
2690 | node.name = this.value;
|
2691 | } else if (this.type.keyword) {
|
2692 | node.name = this.type.keyword;
|
2693 |
|
2694 |
|
2695 |
|
2696 |
|
2697 |
|
2698 | if ((node.name === "class" || node.name === "function") &&
|
2699 | (this.lastTokEnd !== this.lastTokStart + 1 || this.input.charCodeAt(this.lastTokStart) !== 46)) {
|
2700 | this.context.pop();
|
2701 | }
|
2702 | } else {
|
2703 | this.unexpected();
|
2704 | }
|
2705 | this.next();
|
2706 | this.finishNode(node, "Identifier");
|
2707 | if (!liberal) { this.checkUnreserved(node); }
|
2708 | return node
|
2709 | };
|
2710 |
|
2711 |
|
2712 |
|
2713 | pp$3.parseYield = function() {
|
2714 | if (!this.yieldPos) { this.yieldPos = this.start; }
|
2715 |
|
2716 | var node = this.startNode();
|
2717 | this.next();
|
2718 | if (this.type == types.semi || this.canInsertSemicolon() || (this.type != types.star && !this.type.startsExpr)) {
|
2719 | node.delegate = false;
|
2720 | node.argument = null;
|
2721 | } else {
|
2722 | node.delegate = this.eat(types.star);
|
2723 | node.argument = this.parseMaybeAssign();
|
2724 | }
|
2725 | return this.finishNode(node, "YieldExpression")
|
2726 | };
|
2727 |
|
2728 | pp$3.parseAwait = function() {
|
2729 | if (!this.awaitPos) { this.awaitPos = this.start; }
|
2730 |
|
2731 | var node = this.startNode();
|
2732 | this.next();
|
2733 | node.argument = this.parseMaybeUnary(null, true);
|
2734 | return this.finishNode(node, "AwaitExpression")
|
2735 | };
|
2736 |
|
2737 | var pp$4 = Parser.prototype;
|
2738 |
|
2739 |
|
2740 |
|
2741 |
|
2742 |
|
2743 |
|
2744 |
|
2745 | pp$4.raise = function(pos, message) {
|
2746 | var loc = getLineInfo(this.input, pos);
|
2747 | message += " (" + loc.line + ":" + loc.column + ")";
|
2748 | var err = new SyntaxError(message);
|
2749 | err.pos = pos; err.loc = loc; err.raisedAt = this.pos;
|
2750 | throw err
|
2751 | };
|
2752 |
|
2753 | pp$4.raiseRecoverable = pp$4.raise;
|
2754 |
|
2755 | pp$4.curPosition = function() {
|
2756 | if (this.options.locations) {
|
2757 | return new Position(this.curLine, this.pos - this.lineStart)
|
2758 | }
|
2759 | };
|
2760 |
|
2761 | var pp$5 = Parser.prototype;
|
2762 |
|
2763 |
|
2764 | var assign = Object.assign || function(target) {
|
2765 | var sources = [], len = arguments.length - 1;
|
2766 | while ( len-- > 0 ) sources[ len ] = arguments[ len + 1 ];
|
2767 |
|
2768 | for (var i = 0, list = sources; i < list.length; i += 1) {
|
2769 | var source = list[i];
|
2770 |
|
2771 | for (var key in source) {
|
2772 | if (has(source, key)) {
|
2773 | target[key] = source[key];
|
2774 | }
|
2775 | }
|
2776 | }
|
2777 | return target
|
2778 | };
|
2779 |
|
2780 |
|
2781 |
|
2782 | pp$5.enterFunctionScope = function() {
|
2783 |
|
2784 |
|
2785 |
|
2786 |
|
2787 | this.scopeStack.push({var: {}, lexical: {}, childVar: {}, parentLexical: {}});
|
2788 | };
|
2789 |
|
2790 | pp$5.exitFunctionScope = function() {
|
2791 | this.scopeStack.pop();
|
2792 | };
|
2793 |
|
2794 | pp$5.enterLexicalScope = function() {
|
2795 | var parentScope = this.scopeStack[this.scopeStack.length - 1];
|
2796 | var childScope = {var: {}, lexical: {}, childVar: {}, parentLexical: {}};
|
2797 |
|
2798 | this.scopeStack.push(childScope);
|
2799 | assign(childScope.parentLexical, parentScope.lexical, parentScope.parentLexical);
|
2800 | };
|
2801 |
|
2802 | pp$5.exitLexicalScope = function() {
|
2803 | var childScope = this.scopeStack.pop();
|
2804 | var parentScope = this.scopeStack[this.scopeStack.length - 1];
|
2805 |
|
2806 | assign(parentScope.childVar, childScope.var, childScope.childVar);
|
2807 | };
|
2808 |
|
2809 |
|
2810 |
|
2811 |
|
2812 |
|
2813 | pp$5.canDeclareVarName = function(name) {
|
2814 | var currentScope = this.scopeStack[this.scopeStack.length - 1];
|
2815 |
|
2816 | return !has(currentScope.lexical, name) && !has(currentScope.parentLexical, name)
|
2817 | };
|
2818 |
|
2819 |
|
2820 |
|
2821 |
|
2822 |
|
2823 |
|
2824 | pp$5.canDeclareLexicalName = function(name) {
|
2825 | var currentScope = this.scopeStack[this.scopeStack.length - 1];
|
2826 |
|
2827 | return !has(currentScope.lexical, name) && !has(currentScope.var, name) && !has(currentScope.childVar, name)
|
2828 | };
|
2829 |
|
2830 | pp$5.declareVarName = function(name) {
|
2831 | this.scopeStack[this.scopeStack.length - 1].var[name] = true;
|
2832 | };
|
2833 |
|
2834 | pp$5.declareLexicalName = function(name) {
|
2835 | this.scopeStack[this.scopeStack.length - 1].lexical[name] = true;
|
2836 | };
|
2837 |
|
2838 | var Node = function Node(parser, pos, loc) {
|
2839 | this.type = "";
|
2840 | this.start = pos;
|
2841 | this.end = 0;
|
2842 | if (parser.options.locations)
|
2843 | { this.loc = new SourceLocation(parser, loc); }
|
2844 | if (parser.options.directSourceFile)
|
2845 | { this.sourceFile = parser.options.directSourceFile; }
|
2846 | if (parser.options.ranges)
|
2847 | { this.range = [pos, 0]; }
|
2848 | };
|
2849 |
|
2850 |
|
2851 |
|
2852 | var pp$6 = Parser.prototype;
|
2853 |
|
2854 | pp$6.startNode = function() {
|
2855 | return new Node(this, this.start, this.startLoc)
|
2856 | };
|
2857 |
|
2858 | pp$6.startNodeAt = function(pos, loc) {
|
2859 | return new Node(this, pos, loc)
|
2860 | };
|
2861 |
|
2862 |
|
2863 |
|
2864 | function finishNodeAt(node, type, pos, loc) {
|
2865 | node.type = type;
|
2866 | node.end = pos;
|
2867 | if (this.options.locations)
|
2868 | { node.loc.end = loc; }
|
2869 | if (this.options.ranges)
|
2870 | { node.range[1] = pos; }
|
2871 | return node
|
2872 | }
|
2873 |
|
2874 | pp$6.finishNode = function(node, type) {
|
2875 | return finishNodeAt.call(this, node, type, this.lastTokEnd, this.lastTokEndLoc)
|
2876 | };
|
2877 |
|
2878 |
|
2879 |
|
2880 | pp$6.finishNodeAt = function(node, type, pos, loc) {
|
2881 | return finishNodeAt.call(this, node, type, pos, loc)
|
2882 | };
|
2883 |
|
2884 |
|
2885 |
|
2886 |
|
2887 |
|
2888 | var TokContext = function TokContext(token, isExpr, preserveSpace, override, generator) {
|
2889 | this.token = token;
|
2890 | this.isExpr = !!isExpr;
|
2891 | this.preserveSpace = !!preserveSpace;
|
2892 | this.override = override;
|
2893 | this.generator = !!generator;
|
2894 | };
|
2895 |
|
2896 | var types$1 = {
|
2897 | b_stat: new TokContext("{", false),
|
2898 | b_expr: new TokContext("{", true),
|
2899 | b_tmpl: new TokContext("${", false),
|
2900 | p_stat: new TokContext("(", false),
|
2901 | p_expr: new TokContext("(", true),
|
2902 | q_tmpl: new TokContext("`", true, true, function (p) { return p.tryReadTemplateToken(); }),
|
2903 | f_stat: new TokContext("function", false),
|
2904 | f_expr: new TokContext("function", true),
|
2905 | f_expr_gen: new TokContext("function", true, false, null, true),
|
2906 | f_gen: new TokContext("function", false, false, null, true)
|
2907 | };
|
2908 |
|
2909 | var pp$7 = Parser.prototype;
|
2910 |
|
2911 | pp$7.initialContext = function() {
|
2912 | return [types$1.b_stat]
|
2913 | };
|
2914 |
|
2915 | pp$7.braceIsBlock = function(prevType) {
|
2916 | var parent = this.curContext();
|
2917 | if (parent === types$1.f_expr || parent === types$1.f_stat)
|
2918 | { return true }
|
2919 | if (prevType === types.colon && (parent === types$1.b_stat || parent === types$1.b_expr))
|
2920 | { return !parent.isExpr }
|
2921 |
|
2922 |
|
2923 |
|
2924 |
|
2925 | if (prevType === types._return || prevType == types.name && this.exprAllowed)
|
2926 | { return lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) }
|
2927 | if (prevType === types._else || prevType === types.semi || prevType === types.eof || prevType === types.parenR || prevType == types.arrow)
|
2928 | { return true }
|
2929 | if (prevType == types.braceL)
|
2930 | { return parent === types$1.b_stat }
|
2931 | if (prevType == types._var || prevType == types.name)
|
2932 | { return false }
|
2933 | return !this.exprAllowed
|
2934 | };
|
2935 |
|
2936 | pp$7.inGeneratorContext = function() {
|
2937 | var this$1 = this;
|
2938 |
|
2939 | for (var i = this.context.length - 1; i >= 1; i--) {
|
2940 | var context = this$1.context[i];
|
2941 | if (context.token === "function")
|
2942 | { return context.generator }
|
2943 | }
|
2944 | return false
|
2945 | };
|
2946 |
|
2947 | pp$7.updateContext = function(prevType) {
|
2948 | var update, type = this.type;
|
2949 | if (type.keyword && prevType == types.dot)
|
2950 | { this.exprAllowed = false; }
|
2951 | else if (update = type.updateContext)
|
2952 | { update.call(this, prevType); }
|
2953 | else
|
2954 | { this.exprAllowed = type.beforeExpr; }
|
2955 | };
|
2956 |
|
2957 |
|
2958 |
|
2959 | types.parenR.updateContext = types.braceR.updateContext = function() {
|
2960 | if (this.context.length == 1) {
|
2961 | this.exprAllowed = true;
|
2962 | return
|
2963 | }
|
2964 | var out = this.context.pop();
|
2965 | if (out === types$1.b_stat && this.curContext().token === "function") {
|
2966 | out = this.context.pop();
|
2967 | }
|
2968 | this.exprAllowed = !out.isExpr;
|
2969 | };
|
2970 |
|
2971 | types.braceL.updateContext = function(prevType) {
|
2972 | this.context.push(this.braceIsBlock(prevType) ? types$1.b_stat : types$1.b_expr);
|
2973 | this.exprAllowed = true;
|
2974 | };
|
2975 |
|
2976 | types.dollarBraceL.updateContext = function() {
|
2977 | this.context.push(types$1.b_tmpl);
|
2978 | this.exprAllowed = true;
|
2979 | };
|
2980 |
|
2981 | types.parenL.updateContext = function(prevType) {
|
2982 | var statementParens = prevType === types._if || prevType === types._for || prevType === types._with || prevType === types._while;
|
2983 | this.context.push(statementParens ? types$1.p_stat : types$1.p_expr);
|
2984 | this.exprAllowed = true;
|
2985 | };
|
2986 |
|
2987 | types.incDec.updateContext = function() {
|
2988 |
|
2989 | };
|
2990 |
|
2991 | types._function.updateContext = types._class.updateContext = function(prevType) {
|
2992 | if (prevType.beforeExpr && prevType !== types.semi && prevType !== types._else &&
|
2993 | !((prevType === types.colon || prevType === types.braceL) && this.curContext() === types$1.b_stat))
|
2994 | { this.context.push(types$1.f_expr); }
|
2995 | else
|
2996 | { this.context.push(types$1.f_stat); }
|
2997 | this.exprAllowed = false;
|
2998 | };
|
2999 |
|
3000 | types.backQuote.updateContext = function() {
|
3001 | if (this.curContext() === types$1.q_tmpl)
|
3002 | { this.context.pop(); }
|
3003 | else
|
3004 | { this.context.push(types$1.q_tmpl); }
|
3005 | this.exprAllowed = false;
|
3006 | };
|
3007 |
|
3008 | types.star.updateContext = function(prevType) {
|
3009 | if (prevType == types._function) {
|
3010 | var index = this.context.length - 1;
|
3011 | if (this.context[index] === types$1.f_expr)
|
3012 | { this.context[index] = types$1.f_expr_gen; }
|
3013 | else
|
3014 | { this.context[index] = types$1.f_gen; }
|
3015 | }
|
3016 | this.exprAllowed = true;
|
3017 | };
|
3018 |
|
3019 | types.name.updateContext = function(prevType) {
|
3020 | var allowed = false;
|
3021 | if (this.options.ecmaVersion >= 6) {
|
3022 | if (this.value == "of" && !this.exprAllowed ||
|
3023 | this.value == "yield" && this.inGeneratorContext())
|
3024 | { allowed = true; }
|
3025 | }
|
3026 | this.exprAllowed = allowed;
|
3027 | };
|
3028 |
|
3029 | var data = {
|
3030 | "$LONE": [
|
3031 | "ASCII",
|
3032 | "ASCII_Hex_Digit",
|
3033 | "AHex",
|
3034 | "Alphabetic",
|
3035 | "Alpha",
|
3036 | "Any",
|
3037 | "Assigned",
|
3038 | "Bidi_Control",
|
3039 | "Bidi_C",
|
3040 | "Bidi_Mirrored",
|
3041 | "Bidi_M",
|
3042 | "Case_Ignorable",
|
3043 | "CI",
|
3044 | "Cased",
|
3045 | "Changes_When_Casefolded",
|
3046 | "CWCF",
|
3047 | "Changes_When_Casemapped",
|
3048 | "CWCM",
|
3049 | "Changes_When_Lowercased",
|
3050 | "CWL",
|
3051 | "Changes_When_NFKC_Casefolded",
|
3052 | "CWKCF",
|
3053 | "Changes_When_Titlecased",
|
3054 | "CWT",
|
3055 | "Changes_When_Uppercased",
|
3056 | "CWU",
|
3057 | "Dash",
|
3058 | "Default_Ignorable_Code_Point",
|
3059 | "DI",
|
3060 | "Deprecated",
|
3061 | "Dep",
|
3062 | "Diacritic",
|
3063 | "Dia",
|
3064 | "Emoji",
|
3065 | "Emoji_Component",
|
3066 | "Emoji_Modifier",
|
3067 | "Emoji_Modifier_Base",
|
3068 | "Emoji_Presentation",
|
3069 | "Extender",
|
3070 | "Ext",
|
3071 | "Grapheme_Base",
|
3072 | "Gr_Base",
|
3073 | "Grapheme_Extend",
|
3074 | "Gr_Ext",
|
3075 | "Hex_Digit",
|
3076 | "Hex",
|
3077 | "IDS_Binary_Operator",
|
3078 | "IDSB",
|
3079 | "IDS_Trinary_Operator",
|
3080 | "IDST",
|
3081 | "ID_Continue",
|
3082 | "IDC",
|
3083 | "ID_Start",
|
3084 | "IDS",
|
3085 | "Ideographic",
|
3086 | "Ideo",
|
3087 | "Join_Control",
|
3088 | "Join_C",
|
3089 | "Logical_Order_Exception",
|
3090 | "LOE",
|
3091 | "Lowercase",
|
3092 | "Lower",
|
3093 | "Math",
|
3094 | "Noncharacter_Code_Point",
|
3095 | "NChar",
|
3096 | "Pattern_Syntax",
|
3097 | "Pat_Syn",
|
3098 | "Pattern_White_Space",
|
3099 | "Pat_WS",
|
3100 | "Quotation_Mark",
|
3101 | "QMark",
|
3102 | "Radical",
|
3103 | "Regional_Indicator",
|
3104 | "RI",
|
3105 | "Sentence_Terminal",
|
3106 | "STerm",
|
3107 | "Soft_Dotted",
|
3108 | "SD",
|
3109 | "Terminal_Punctuation",
|
3110 | "Term",
|
3111 | "Unified_Ideograph",
|
3112 | "UIdeo",
|
3113 | "Uppercase",
|
3114 | "Upper",
|
3115 | "Variation_Selector",
|
3116 | "VS",
|
3117 | "White_Space",
|
3118 | "space",
|
3119 | "XID_Continue",
|
3120 | "XIDC",
|
3121 | "XID_Start",
|
3122 | "XIDS"
|
3123 | ],
|
3124 | "General_Category": [
|
3125 | "Cased_Letter",
|
3126 | "LC",
|
3127 | "Close_Punctuation",
|
3128 | "Pe",
|
3129 | "Connector_Punctuation",
|
3130 | "Pc",
|
3131 | "Control",
|
3132 | "Cc",
|
3133 | "cntrl",
|
3134 | "Currency_Symbol",
|
3135 | "Sc",
|
3136 | "Dash_Punctuation",
|
3137 | "Pd",
|
3138 | "Decimal_Number",
|
3139 | "Nd",
|
3140 | "digit",
|
3141 | "Enclosing_Mark",
|
3142 | "Me",
|
3143 | "Final_Punctuation",
|
3144 | "Pf",
|
3145 | "Format",
|
3146 | "Cf",
|
3147 | "Initial_Punctuation",
|
3148 | "Pi",
|
3149 | "Letter",
|
3150 | "L",
|
3151 | "Letter_Number",
|
3152 | "Nl",
|
3153 | "Line_Separator",
|
3154 | "Zl",
|
3155 | "Lowercase_Letter",
|
3156 | "Ll",
|
3157 | "Mark",
|
3158 | "M",
|
3159 | "Combining_Mark",
|
3160 | "Math_Symbol",
|
3161 | "Sm",
|
3162 | "Modifier_Letter",
|
3163 | "Lm",
|
3164 | "Modifier_Symbol",
|
3165 | "Sk",
|
3166 | "Nonspacing_Mark",
|
3167 | "Mn",
|
3168 | "Number",
|
3169 | "N",
|
3170 | "Open_Punctuation",
|
3171 | "Ps",
|
3172 | "Other",
|
3173 | "C",
|
3174 | "Other_Letter",
|
3175 | "Lo",
|
3176 | "Other_Number",
|
3177 | "No",
|
3178 | "Other_Punctuation",
|
3179 | "Po",
|
3180 | "Other_Symbol",
|
3181 | "So",
|
3182 | "Paragraph_Separator",
|
3183 | "Zp",
|
3184 | "Private_Use",
|
3185 | "Co",
|
3186 | "Punctuation",
|
3187 | "P",
|
3188 | "punct",
|
3189 | "Separator",
|
3190 | "Z",
|
3191 | "Space_Separator",
|
3192 | "Zs",
|
3193 | "Spacing_Mark",
|
3194 | "Mc",
|
3195 | "Surrogate",
|
3196 | "Cs",
|
3197 | "Symbol",
|
3198 | "S",
|
3199 | "Titlecase_Letter",
|
3200 | "Lt",
|
3201 | "Unassigned",
|
3202 | "Cn",
|
3203 | "Uppercase_Letter",
|
3204 | "Lu"
|
3205 | ],
|
3206 | "Script": [
|
3207 | "Adlam",
|
3208 | "Adlm",
|
3209 | "Ahom",
|
3210 | "Anatolian_Hieroglyphs",
|
3211 | "Hluw",
|
3212 | "Arabic",
|
3213 | "Arab",
|
3214 | "Armenian",
|
3215 | "Armn",
|
3216 | "Avestan",
|
3217 | "Avst",
|
3218 | "Balinese",
|
3219 | "Bali",
|
3220 | "Bamum",
|
3221 | "Bamu",
|
3222 | "Bassa_Vah",
|
3223 | "Bass",
|
3224 | "Batak",
|
3225 | "Batk",
|
3226 | "Bengali",
|
3227 | "Beng",
|
3228 | "Bhaiksuki",
|
3229 | "Bhks",
|
3230 | "Bopomofo",
|
3231 | "Bopo",
|
3232 | "Brahmi",
|
3233 | "Brah",
|
3234 | "Braille",
|
3235 | "Brai",
|
3236 | "Buginese",
|
3237 | "Bugi",
|
3238 | "Buhid",
|
3239 | "Buhd",
|
3240 | "Canadian_Aboriginal",
|
3241 | "Cans",
|
3242 | "Carian",
|
3243 | "Cari",
|
3244 | "Caucasian_Albanian",
|
3245 | "Aghb",
|
3246 | "Chakma",
|
3247 | "Cakm",
|
3248 | "Cham",
|
3249 | "Cherokee",
|
3250 | "Cher",
|
3251 | "Common",
|
3252 | "Zyyy",
|
3253 | "Coptic",
|
3254 | "Copt",
|
3255 | "Qaac",
|
3256 | "Cuneiform",
|
3257 | "Xsux",
|
3258 | "Cypriot",
|
3259 | "Cprt",
|
3260 | "Cyrillic",
|
3261 | "Cyrl",
|
3262 | "Deseret",
|
3263 | "Dsrt",
|
3264 | "Devanagari",
|
3265 | "Deva",
|
3266 | "Duployan",
|
3267 | "Dupl",
|
3268 | "Egyptian_Hieroglyphs",
|
3269 | "Egyp",
|
3270 | "Elbasan",
|
3271 | "Elba",
|
3272 | "Ethiopic",
|
3273 | "Ethi",
|
3274 | "Georgian",
|
3275 | "Geor",
|
3276 | "Glagolitic",
|
3277 | "Glag",
|
3278 | "Gothic",
|
3279 | "Goth",
|
3280 | "Grantha",
|
3281 | "Gran",
|
3282 | "Greek",
|
3283 | "Grek",
|
3284 | "Gujarati",
|
3285 | "Gujr",
|
3286 | "Gurmukhi",
|
3287 | "Guru",
|
3288 | "Han",
|
3289 | "Hani",
|
3290 | "Hangul",
|
3291 | "Hang",
|
3292 | "Hanunoo",
|
3293 | "Hano",
|
3294 | "Hatran",
|
3295 | "Hatr",
|
3296 | "Hebrew",
|
3297 | "Hebr",
|
3298 | "Hiragana",
|
3299 | "Hira",
|
3300 | "Imperial_Aramaic",
|
3301 | "Armi",
|
3302 | "Inherited",
|
3303 | "Zinh",
|
3304 | "Qaai",
|
3305 | "Inscriptional_Pahlavi",
|
3306 | "Phli",
|
3307 | "Inscriptional_Parthian",
|
3308 | "Prti",
|
3309 | "Javanese",
|
3310 | "Java",
|
3311 | "Kaithi",
|
3312 | "Kthi",
|
3313 | "Kannada",
|
3314 | "Knda",
|
3315 | "Katakana",
|
3316 | "Kana",
|
3317 | "Kayah_Li",
|
3318 | "Kali",
|
3319 | "Kharoshthi",
|
3320 | "Khar",
|
3321 | "Khmer",
|
3322 | "Khmr",
|
3323 | "Khojki",
|
3324 | "Khoj",
|
3325 | "Khudawadi",
|
3326 | "Sind",
|
3327 | "Lao",
|
3328 | "Laoo",
|
3329 | "Latin",
|
3330 | "Latn",
|
3331 | "Lepcha",
|
3332 | "Lepc",
|
3333 | "Limbu",
|
3334 | "Limb",
|
3335 | "Linear_A",
|
3336 | "Lina",
|
3337 | "Linear_B",
|
3338 | "Linb",
|
3339 | "Lisu",
|
3340 | "Lycian",
|
3341 | "Lyci",
|
3342 | "Lydian",
|
3343 | "Lydi",
|
3344 | "Mahajani",
|
3345 | "Mahj",
|
3346 | "Malayalam",
|
3347 | "Mlym",
|
3348 | "Mandaic",
|
3349 | "Mand",
|
3350 | "Manichaean",
|
3351 | "Mani",
|
3352 | "Marchen",
|
3353 | "Marc",
|
3354 | "Masaram_Gondi",
|
3355 | "Gonm",
|
3356 | "Meetei_Mayek",
|
3357 | "Mtei",
|
3358 | "Mende_Kikakui",
|
3359 | "Mend",
|
3360 | "Meroitic_Cursive",
|
3361 | "Merc",
|
3362 | "Meroitic_Hieroglyphs",
|
3363 | "Mero",
|
3364 | "Miao",
|
3365 | "Plrd",
|
3366 | "Modi",
|
3367 | "Mongolian",
|
3368 | "Mong",
|
3369 | "Mro",
|
3370 | "Mroo",
|
3371 | "Multani",
|
3372 | "Mult",
|
3373 | "Myanmar",
|
3374 | "Mymr",
|
3375 | "Nabataean",
|
3376 | "Nbat",
|
3377 | "New_Tai_Lue",
|
3378 | "Talu",
|
3379 | "Newa",
|
3380 | "Nko",
|
3381 | "Nkoo",
|
3382 | "Nushu",
|
3383 | "Nshu",
|
3384 | "Ogham",
|
3385 | "Ogam",
|
3386 | "Ol_Chiki",
|
3387 | "Olck",
|
3388 | "Old_Hungarian",
|
3389 | "Hung",
|
3390 | "Old_Italic",
|
3391 | "Ital",
|
3392 | "Old_North_Arabian",
|
3393 | "Narb",
|
3394 | "Old_Permic",
|
3395 | "Perm",
|
3396 | "Old_Persian",
|
3397 | "Xpeo",
|
3398 | "Old_South_Arabian",
|
3399 | "Sarb",
|
3400 | "Old_Turkic",
|
3401 | "Orkh",
|
3402 | "Oriya",
|
3403 | "Orya",
|
3404 | "Osage",
|
3405 | "Osge",
|
3406 | "Osmanya",
|
3407 | "Osma",
|
3408 | "Pahawh_Hmong",
|
3409 | "Hmng",
|
3410 | "Palmyrene",
|
3411 | "Palm",
|
3412 | "Pau_Cin_Hau",
|
3413 | "Pauc",
|
3414 | "Phags_Pa",
|
3415 | "Phag",
|
3416 | "Phoenician",
|
3417 | "Phnx",
|
3418 | "Psalter_Pahlavi",
|
3419 | "Phlp",
|
3420 | "Rejang",
|
3421 | "Rjng",
|
3422 | "Runic",
|
3423 | "Runr",
|
3424 | "Samaritan",
|
3425 | "Samr",
|
3426 | "Saurashtra",
|
3427 | "Saur",
|
3428 | "Sharada",
|
3429 | "Shrd",
|
3430 | "Shavian",
|
3431 | "Shaw",
|
3432 | "Siddham",
|
3433 | "Sidd",
|
3434 | "SignWriting",
|
3435 | "Sgnw",
|
3436 | "Sinhala",
|
3437 | "Sinh",
|
3438 | "Sora_Sompeng",
|
3439 | "Sora",
|
3440 | "Soyombo",
|
3441 | "Soyo",
|
3442 | "Sundanese",
|
3443 | "Sund",
|
3444 | "Syloti_Nagri",
|
3445 | "Sylo",
|
3446 | "Syriac",
|
3447 | "Syrc",
|
3448 | "Tagalog",
|
3449 | "Tglg",
|
3450 | "Tagbanwa",
|
3451 | "Tagb",
|
3452 | "Tai_Le",
|
3453 | "Tale",
|
3454 | "Tai_Tham",
|
3455 | "Lana",
|
3456 | "Tai_Viet",
|
3457 | "Tavt",
|
3458 | "Takri",
|
3459 | "Takr",
|
3460 | "Tamil",
|
3461 | "Taml",
|
3462 | "Tangut",
|
3463 | "Tang",
|
3464 | "Telugu",
|
3465 | "Telu",
|
3466 | "Thaana",
|
3467 | "Thaa",
|
3468 | "Thai",
|
3469 | "Tibetan",
|
3470 | "Tibt",
|
3471 | "Tifinagh",
|
3472 | "Tfng",
|
3473 | "Tirhuta",
|
3474 | "Tirh",
|
3475 | "Ugaritic",
|
3476 | "Ugar",
|
3477 | "Vai",
|
3478 | "Vaii",
|
3479 | "Warang_Citi",
|
3480 | "Wara",
|
3481 | "Yi",
|
3482 | "Yiii",
|
3483 | "Zanabazar_Square",
|
3484 | "Zanb"
|
3485 | ]
|
3486 | };
|
3487 | Array.prototype.push.apply(data.$LONE, data.General_Category);
|
3488 | data.gc = data.General_Category;
|
3489 | data.sc = data.Script_Extensions = data.scx = data.Script;
|
3490 |
|
3491 | var pp$9 = Parser.prototype;
|
3492 |
|
3493 | var RegExpValidationState = function RegExpValidationState(parser) {
|
3494 | this.parser = parser;
|
3495 | this.validFlags = "gim" + (parser.options.ecmaVersion >= 6 ? "uy" : "") + (parser.options.ecmaVersion >= 9 ? "s" : "");
|
3496 | this.source = "";
|
3497 | this.flags = "";
|
3498 | this.start = 0;
|
3499 | this.switchU = false;
|
3500 | this.switchN = false;
|
3501 | this.pos = 0;
|
3502 | this.lastIntValue = 0;
|
3503 | this.lastStringValue = "";
|
3504 | this.lastAssertionIsQuantifiable = false;
|
3505 | this.numCapturingParens = 0;
|
3506 | this.maxBackReference = 0;
|
3507 | this.groupNames = [];
|
3508 | this.backReferenceNames = [];
|
3509 | };
|
3510 |
|
3511 | RegExpValidationState.prototype.reset = function reset (start, pattern, flags) {
|
3512 | var unicode = flags.indexOf("u") !== -1;
|
3513 | this.start = start | 0;
|
3514 | this.source = pattern + "";
|
3515 | this.flags = flags;
|
3516 | this.switchU = unicode && this.parser.options.ecmaVersion >= 6;
|
3517 | this.switchN = unicode && this.parser.options.ecmaVersion >= 9;
|
3518 | };
|
3519 |
|
3520 | RegExpValidationState.prototype.raise = function raise (message) {
|
3521 | this.parser.raiseRecoverable(this.start, ("Invalid regular expression: /" + (this.source) + "/: " + message));
|
3522 | };
|
3523 |
|
3524 |
|
3525 |
|
3526 | RegExpValidationState.prototype.at = function at (i) {
|
3527 | var s = this.source;
|
3528 | var l = s.length;
|
3529 | if (i >= l) {
|
3530 | return -1
|
3531 | }
|
3532 | var c = s.charCodeAt(i);
|
3533 | if (!this.switchU || c <= 0xD7FF || c >= 0xE000 || i + 1 >= l) {
|
3534 | return c
|
3535 | }
|
3536 | return (c << 10) + s.charCodeAt(i + 1) - 0x35FDC00
|
3537 | };
|
3538 |
|
3539 | RegExpValidationState.prototype.nextIndex = function nextIndex (i) {
|
3540 | var s = this.source;
|
3541 | var l = s.length;
|
3542 | if (i >= l) {
|
3543 | return l
|
3544 | }
|
3545 | var c = s.charCodeAt(i);
|
3546 | if (!this.switchU || c <= 0xD7FF || c >= 0xE000 || i + 1 >= l) {
|
3547 | return i + 1
|
3548 | }
|
3549 | return i + 2
|
3550 | };
|
3551 |
|
3552 | RegExpValidationState.prototype.current = function current () {
|
3553 | return this.at(this.pos)
|
3554 | };
|
3555 |
|
3556 | RegExpValidationState.prototype.lookahead = function lookahead () {
|
3557 | return this.at(this.nextIndex(this.pos))
|
3558 | };
|
3559 |
|
3560 | RegExpValidationState.prototype.advance = function advance () {
|
3561 | this.pos = this.nextIndex(this.pos);
|
3562 | };
|
3563 |
|
3564 | RegExpValidationState.prototype.eat = function eat (ch) {
|
3565 | if (this.current() === ch) {
|
3566 | this.advance();
|
3567 | return true
|
3568 | }
|
3569 | return false
|
3570 | };
|
3571 |
|
3572 | function codePointToString$1(ch) {
|
3573 | if (ch <= 0xFFFF) { return String.fromCharCode(ch) }
|
3574 | ch -= 0x10000;
|
3575 | return String.fromCharCode((ch >> 10) + 0xD800, (ch & 0x03FF) + 0xDC00)
|
3576 | }
|
3577 |
|
3578 |
|
3579 |
|
3580 |
|
3581 |
|
3582 |
|
3583 |
|
3584 | pp$9.validateRegExpFlags = function(state) {
|
3585 | var this$1 = this;
|
3586 |
|
3587 | var validFlags = state.validFlags;
|
3588 | var flags = state.flags;
|
3589 |
|
3590 | for (var i = 0; i < flags.length; i++) {
|
3591 | var flag = flags.charAt(i);
|
3592 | if (validFlags.indexOf(flag) == -1) {
|
3593 | this$1.raise(state.start, "Invalid regular expression flag");
|
3594 | }
|
3595 | if (flags.indexOf(flag, i + 1) > -1) {
|
3596 | this$1.raise(state.start, "Duplicate regular expression flag");
|
3597 | }
|
3598 | }
|
3599 | };
|
3600 |
|
3601 |
|
3602 |
|
3603 |
|
3604 |
|
3605 |
|
3606 |
|
3607 | pp$9.validateRegExpPattern = function(state) {
|
3608 | this.regexp_pattern(state);
|
3609 |
|
3610 |
|
3611 |
|
3612 |
|
3613 |
|
3614 |
|
3615 | if (!state.switchN && this.options.ecmaVersion >= 9 && state.groupNames.length > 0) {
|
3616 | state.switchN = true;
|
3617 | this.regexp_pattern(state);
|
3618 | }
|
3619 | };
|
3620 |
|
3621 |
|
3622 | pp$9.regexp_pattern = function(state) {
|
3623 | state.pos = 0;
|
3624 | state.lastIntValue = 0;
|
3625 | state.lastStringValue = "";
|
3626 | state.lastAssertionIsQuantifiable = false;
|
3627 | state.numCapturingParens = 0;
|
3628 | state.maxBackReference = 0;
|
3629 | state.groupNames.length = 0;
|
3630 | state.backReferenceNames.length = 0;
|
3631 |
|
3632 | this.regexp_disjunction(state);
|
3633 |
|
3634 | if (state.pos !== state.source.length) {
|
3635 |
|
3636 | if (state.eat(0x29 )) {
|
3637 | state.raise("Unmatched ')'");
|
3638 | }
|
3639 | if (state.eat(0x5D ) || state.eat(0x7D )) {
|
3640 | state.raise("Lone quantifier brackets");
|
3641 | }
|
3642 | }
|
3643 | if (state.maxBackReference > state.numCapturingParens) {
|
3644 | state.raise("Invalid escape");
|
3645 | }
|
3646 | for (var i = 0, list = state.backReferenceNames; i < list.length; i += 1) {
|
3647 | var name = list[i];
|
3648 |
|
3649 | if (state.groupNames.indexOf(name) === -1) {
|
3650 | state.raise("Invalid named capture referenced");
|
3651 | }
|
3652 | }
|
3653 | };
|
3654 |
|
3655 |
|
3656 | pp$9.regexp_disjunction = function(state) {
|
3657 | var this$1 = this;
|
3658 |
|
3659 | this.regexp_alternative(state);
|
3660 | while (state.eat(0x7C )) {
|
3661 | this$1.regexp_alternative(state);
|
3662 | }
|
3663 |
|
3664 |
|
3665 | if (this.regexp_eatQuantifier(state, true)) {
|
3666 | state.raise("Nothing to repeat");
|
3667 | }
|
3668 | if (state.eat(0x7B )) {
|
3669 | state.raise("Lone quantifier brackets");
|
3670 | }
|
3671 | };
|
3672 |
|
3673 |
|
3674 | pp$9.regexp_alternative = function(state) {
|
3675 | while (state.pos < state.source.length && this.regexp_eatTerm(state))
|
3676 | { }
|
3677 | };
|
3678 |
|
3679 |
|
3680 | pp$9.regexp_eatTerm = function(state) {
|
3681 | if (this.regexp_eatAssertion(state)) {
|
3682 |
|
3683 |
|
3684 |
|
3685 | if (state.lastAssertionIsQuantifiable && this.regexp_eatQuantifier(state)) {
|
3686 |
|
3687 | if (state.switchU) {
|
3688 | state.raise("Invalid quantifier");
|
3689 | }
|
3690 | }
|
3691 | return true
|
3692 | }
|
3693 |
|
3694 | if (state.switchU ? this.regexp_eatAtom(state) : this.regexp_eatExtendedAtom(state)) {
|
3695 | this.regexp_eatQuantifier(state);
|
3696 | return true
|
3697 | }
|
3698 |
|
3699 | return false
|
3700 | };
|
3701 |
|
3702 |
|
3703 | pp$9.regexp_eatAssertion = function(state) {
|
3704 | var start = state.pos;
|
3705 | state.lastAssertionIsQuantifiable = false;
|
3706 |
|
3707 |
|
3708 | if (state.eat(0x5E ) || state.eat(0x24 )) {
|
3709 | return true
|
3710 | }
|
3711 |
|
3712 |
|
3713 | if (state.eat(0x5C )) {
|
3714 | if (state.eat(0x42 ) || state.eat(0x62 )) {
|
3715 | return true
|
3716 | }
|
3717 | state.pos = start;
|
3718 | }
|
3719 |
|
3720 |
|
3721 | if (state.eat(0x28 ) && state.eat(0x3F )) {
|
3722 | var lookbehind = false;
|
3723 | if (this.options.ecmaVersion >= 9) {
|
3724 | lookbehind = state.eat(0x3C );
|
3725 | }
|
3726 | if (state.eat(0x3D ) || state.eat(0x21 )) {
|
3727 | this.regexp_disjunction(state);
|
3728 | if (!state.eat(0x29 )) {
|
3729 | state.raise("Unterminated group");
|
3730 | }
|
3731 | state.lastAssertionIsQuantifiable = !lookbehind;
|
3732 | return true
|
3733 | }
|
3734 | }
|
3735 |
|
3736 | state.pos = start;
|
3737 | return false
|
3738 | };
|
3739 |
|
3740 |
|
3741 | pp$9.regexp_eatQuantifier = function(state, noError) {
|
3742 | if ( noError === void 0 ) noError = false;
|
3743 |
|
3744 | if (this.regexp_eatQuantifierPrefix(state, noError)) {
|
3745 | state.eat(0x3F );
|
3746 | return true
|
3747 | }
|
3748 | return false
|
3749 | };
|
3750 |
|
3751 |
|
3752 | pp$9.regexp_eatQuantifierPrefix = function(state, noError) {
|
3753 | return (
|
3754 | state.eat(0x2A ) ||
|
3755 | state.eat(0x2B ) ||
|
3756 | state.eat(0x3F ) ||
|
3757 | this.regexp_eatBracedQuantifier(state, noError)
|
3758 | )
|
3759 | };
|
3760 | pp$9.regexp_eatBracedQuantifier = function(state, noError) {
|
3761 | var start = state.pos;
|
3762 | if (state.eat(0x7B )) {
|
3763 | var min = 0, max = -1;
|
3764 | if (this.regexp_eatDecimalDigits(state)) {
|
3765 | min = state.lastIntValue;
|
3766 | if (state.eat(0x2C ) && this.regexp_eatDecimalDigits(state)) {
|
3767 | max = state.lastIntValue;
|
3768 | }
|
3769 | if (state.eat(0x7D )) {
|
3770 |
|
3771 | if (max !== -1 && max < min && !noError) {
|
3772 | state.raise("numbers out of order in {} quantifier");
|
3773 | }
|
3774 | return true
|
3775 | }
|
3776 | }
|
3777 | if (state.switchU && !noError) {
|
3778 | state.raise("Incomplete quantifier");
|
3779 | }
|
3780 | state.pos = start;
|
3781 | }
|
3782 | return false
|
3783 | };
|
3784 |
|
3785 |
|
3786 | pp$9.regexp_eatAtom = function(state) {
|
3787 | return (
|
3788 | this.regexp_eatPatternCharacters(state) ||
|
3789 | state.eat(0x2E ) ||
|
3790 | this.regexp_eatReverseSolidusAtomEscape(state) ||
|
3791 | this.regexp_eatCharacterClass(state) ||
|
3792 | this.regexp_eatUncapturingGroup(state) ||
|
3793 | this.regexp_eatCapturingGroup(state)
|
3794 | )
|
3795 | };
|
3796 | pp$9.regexp_eatReverseSolidusAtomEscape = function(state) {
|
3797 | var start = state.pos;
|
3798 | if (state.eat(0x5C )) {
|
3799 | if (this.regexp_eatAtomEscape(state)) {
|
3800 | return true
|
3801 | }
|
3802 | state.pos = start;
|
3803 | }
|
3804 | return false
|
3805 | };
|
3806 | pp$9.regexp_eatUncapturingGroup = function(state) {
|
3807 | var start = state.pos;
|
3808 | if (state.eat(0x28 )) {
|
3809 | if (state.eat(0x3F ) && state.eat(0x3A )) {
|
3810 | this.regexp_disjunction(state);
|
3811 | if (state.eat(0x29 )) {
|
3812 | return true
|
3813 | }
|
3814 | state.raise("Unterminated group");
|
3815 | }
|
3816 | state.pos = start;
|
3817 | }
|
3818 | return false
|
3819 | };
|
3820 | pp$9.regexp_eatCapturingGroup = function(state) {
|
3821 | if (state.eat(0x28 )) {
|
3822 | if (this.options.ecmaVersion >= 9) {
|
3823 | this.regexp_groupSpecifier(state);
|
3824 | } else if (state.current() === 0x3F ) {
|
3825 | state.raise("Invalid group");
|
3826 | }
|
3827 | this.regexp_disjunction(state);
|
3828 | if (state.eat(0x29 )) {
|
3829 | state.numCapturingParens += 1;
|
3830 | return true
|
3831 | }
|
3832 | state.raise("Unterminated group");
|
3833 | }
|
3834 | return false
|
3835 | };
|
3836 |
|
3837 |
|
3838 | pp$9.regexp_eatExtendedAtom = function(state) {
|
3839 | return (
|
3840 | state.eat(0x2E ) ||
|
3841 | this.regexp_eatReverseSolidusAtomEscape(state) ||
|
3842 | this.regexp_eatCharacterClass(state) ||
|
3843 | this.regexp_eatUncapturingGroup(state) ||
|
3844 | this.regexp_eatCapturingGroup(state) ||
|
3845 | this.regexp_eatInvalidBracedQuantifier(state) ||
|
3846 | this.regexp_eatExtendedPatternCharacter(state)
|
3847 | )
|
3848 | };
|
3849 |
|
3850 |
|
3851 | pp$9.regexp_eatInvalidBracedQuantifier = function(state) {
|
3852 | if (this.regexp_eatBracedQuantifier(state, true)) {
|
3853 | state.raise("Nothing to repeat");
|
3854 | }
|
3855 | return false
|
3856 | };
|
3857 |
|
3858 |
|
3859 | pp$9.regexp_eatSyntaxCharacter = function(state) {
|
3860 | var ch = state.current();
|
3861 | if (isSyntaxCharacter(ch)) {
|
3862 | state.lastIntValue = ch;
|
3863 | state.advance();
|
3864 | return true
|
3865 | }
|
3866 | return false
|
3867 | };
|
3868 | function isSyntaxCharacter(ch) {
|
3869 | return (
|
3870 | ch === 0x24 ||
|
3871 | ch >= 0x28 && ch <= 0x2B ||
|
3872 | ch === 0x2E ||
|
3873 | ch === 0x3F ||
|
3874 | ch >= 0x5B && ch <= 0x5E ||
|
3875 | ch >= 0x7B && ch <= 0x7D
|
3876 | )
|
3877 | }
|
3878 |
|
3879 |
|
3880 |
|
3881 | pp$9.regexp_eatPatternCharacters = function(state) {
|
3882 | var start = state.pos;
|
3883 | var ch = 0;
|
3884 | while ((ch = state.current()) !== -1 && !isSyntaxCharacter(ch)) {
|
3885 | state.advance();
|
3886 | }
|
3887 | return state.pos !== start
|
3888 | };
|
3889 |
|
3890 |
|
3891 | pp$9.regexp_eatExtendedPatternCharacter = function(state) {
|
3892 | var ch = state.current();
|
3893 | if (
|
3894 | ch !== -1 &&
|
3895 | ch !== 0x24 &&
|
3896 | !(ch >= 0x28 && ch <= 0x2B ) &&
|
3897 | ch !== 0x2E &&
|
3898 | ch !== 0x3F &&
|
3899 | ch !== 0x5B &&
|
3900 | ch !== 0x5E &&
|
3901 | ch !== 0x7C
|
3902 | ) {
|
3903 | state.advance();
|
3904 | return true
|
3905 | }
|
3906 | return false
|
3907 | };
|
3908 |
|
3909 |
|
3910 |
|
3911 |
|
3912 | pp$9.regexp_groupSpecifier = function(state) {
|
3913 | if (state.eat(0x3F )) {
|
3914 | if (this.regexp_eatGroupName(state)) {
|
3915 | if (state.groupNames.indexOf(state.lastStringValue) !== -1) {
|
3916 | state.raise("Duplicate capture group name");
|
3917 | }
|
3918 | state.groupNames.push(state.lastStringValue);
|
3919 | return
|
3920 | }
|
3921 | state.raise("Invalid group");
|
3922 | }
|
3923 | };
|
3924 |
|
3925 |
|
3926 |
|
3927 |
|
3928 | pp$9.regexp_eatGroupName = function(state) {
|
3929 | state.lastStringValue = "";
|
3930 | if (state.eat(0x3C )) {
|
3931 | if (this.regexp_eatRegExpIdentifierName(state) && state.eat(0x3E )) {
|
3932 | return true
|
3933 | }
|
3934 | state.raise("Invalid capture group name");
|
3935 | }
|
3936 | return false
|
3937 | };
|
3938 |
|
3939 |
|
3940 |
|
3941 |
|
3942 |
|
3943 | pp$9.regexp_eatRegExpIdentifierName = function(state) {
|
3944 | state.lastStringValue = "";
|
3945 | if (this.regexp_eatRegExpIdentifierStart(state)) {
|
3946 | state.lastStringValue += codePointToString$1(state.lastIntValue);
|
3947 | while (this.regexp_eatRegExpIdentifierPart(state)) {
|
3948 | state.lastStringValue += codePointToString$1(state.lastIntValue);
|
3949 | }
|
3950 | return true
|
3951 | }
|
3952 | return false
|
3953 | };
|
3954 |
|
3955 |
|
3956 |
|
3957 |
|
3958 |
|
3959 |
|
3960 | pp$9.regexp_eatRegExpIdentifierStart = function(state) {
|
3961 | var start = state.pos;
|
3962 | var ch = state.current();
|
3963 | state.advance();
|
3964 |
|
3965 | if (ch === 0x5C && this.regexp_eatRegExpUnicodeEscapeSequence(state)) {
|
3966 | ch = state.lastIntValue;
|
3967 | }
|
3968 | if (isRegExpIdentifierStart(ch)) {
|
3969 | state.lastIntValue = ch;
|
3970 | return true
|
3971 | }
|
3972 |
|
3973 | state.pos = start;
|
3974 | return false
|
3975 | };
|
3976 | function isRegExpIdentifierStart(ch) {
|
3977 | return isIdentifierStart(ch, true) || ch === 0x24 || ch === 0x5F
|
3978 | }
|
3979 |
|
3980 |
|
3981 |
|
3982 |
|
3983 |
|
3984 |
|
3985 |
|
3986 |
|
3987 | pp$9.regexp_eatRegExpIdentifierPart = function(state) {
|
3988 | var start = state.pos;
|
3989 | var ch = state.current();
|
3990 | state.advance();
|
3991 |
|
3992 | if (ch === 0x5C && this.regexp_eatRegExpUnicodeEscapeSequence(state)) {
|
3993 | ch = state.lastIntValue;
|
3994 | }
|
3995 | if (isRegExpIdentifierPart(ch)) {
|
3996 | state.lastIntValue = ch;
|
3997 | return true
|
3998 | }
|
3999 |
|
4000 | state.pos = start;
|
4001 | return false
|
4002 | };
|
4003 | function isRegExpIdentifierPart(ch) {
|
4004 | return isIdentifierChar(ch, true) || ch === 0x24 || ch === 0x5F || ch === 0x200C || ch === 0x200D
|
4005 | }
|
4006 |
|
4007 |
|
4008 | pp$9.regexp_eatAtomEscape = function(state) {
|
4009 | if (
|
4010 | this.regexp_eatBackReference(state) ||
|
4011 | this.regexp_eatCharacterClassEscape(state) ||
|
4012 | this.regexp_eatCharacterEscape(state) ||
|
4013 | (state.switchN && this.regexp_eatKGroupName(state))
|
4014 | ) {
|
4015 | return true
|
4016 | }
|
4017 | if (state.switchU) {
|
4018 |
|
4019 | if (state.current() === 0x63 ) {
|
4020 | state.raise("Invalid unicode escape");
|
4021 | }
|
4022 | state.raise("Invalid escape");
|
4023 | }
|
4024 | return false
|
4025 | };
|
4026 | pp$9.regexp_eatBackReference = function(state) {
|
4027 | var start = state.pos;
|
4028 | if (this.regexp_eatDecimalEscape(state)) {
|
4029 | var n = state.lastIntValue;
|
4030 | if (state.switchU) {
|
4031 |
|
4032 | if (n > state.maxBackReference) {
|
4033 | state.maxBackReference = n;
|
4034 | }
|
4035 | return true
|
4036 | }
|
4037 | if (n <= state.numCapturingParens) {
|
4038 | return true
|
4039 | }
|
4040 | state.pos = start;
|
4041 | }
|
4042 | return false
|
4043 | };
|
4044 | pp$9.regexp_eatKGroupName = function(state) {
|
4045 | if (state.eat(0x6B )) {
|
4046 | if (this.regexp_eatGroupName(state)) {
|
4047 | state.backReferenceNames.push(state.lastStringValue);
|
4048 | return true
|
4049 | }
|
4050 | state.raise("Invalid named reference");
|
4051 | }
|
4052 | return false
|
4053 | };
|
4054 |
|
4055 |
|
4056 | pp$9.regexp_eatCharacterEscape = function(state) {
|
4057 | return (
|
4058 | this.regexp_eatControlEscape(state) ||
|
4059 | this.regexp_eatCControlLetter(state) ||
|
4060 | this.regexp_eatZero(state) ||
|
4061 | this.regexp_eatHexEscapeSequence(state) ||
|
4062 | this.regexp_eatRegExpUnicodeEscapeSequence(state) ||
|
4063 | (!state.switchU && this.regexp_eatLegacyOctalEscapeSequence(state)) ||
|
4064 | this.regexp_eatIdentityEscape(state)
|
4065 | )
|
4066 | };
|
4067 | pp$9.regexp_eatCControlLetter = function(state) {
|
4068 | var start = state.pos;
|
4069 | if (state.eat(0x63 )) {
|
4070 | if (this.regexp_eatControlLetter(state)) {
|
4071 | return true
|
4072 | }
|
4073 | state.pos = start;
|
4074 | }
|
4075 | return false
|
4076 | };
|
4077 | pp$9.regexp_eatZero = function(state) {
|
4078 | if (state.current() === 0x30 && !isDecimalDigit(state.lookahead())) {
|
4079 | state.lastIntValue = 0;
|
4080 | state.advance();
|
4081 | return true
|
4082 | }
|
4083 | return false
|
4084 | };
|
4085 |
|
4086 |
|
4087 | pp$9.regexp_eatControlEscape = function(state) {
|
4088 | var ch = state.current();
|
4089 | if (ch === 0x74 ) {
|
4090 | state.lastIntValue = 0x09;
|
4091 | state.advance();
|
4092 | return true
|
4093 | }
|
4094 | if (ch === 0x6E ) {
|
4095 | state.lastIntValue = 0x0A;
|
4096 | state.advance();
|
4097 | return true
|
4098 | }
|
4099 | if (ch === 0x76 ) {
|
4100 | state.lastIntValue = 0x0B;
|
4101 | state.advance();
|
4102 | return true
|
4103 | }
|
4104 | if (ch === 0x66 ) {
|
4105 | state.lastIntValue = 0x0C;
|
4106 | state.advance();
|
4107 | return true
|
4108 | }
|
4109 | if (ch === 0x72 ) {
|
4110 | state.lastIntValue = 0x0D;
|
4111 | state.advance();
|
4112 | return true
|
4113 | }
|
4114 | return false
|
4115 | };
|
4116 |
|
4117 |
|
4118 | pp$9.regexp_eatControlLetter = function(state) {
|
4119 | var ch = state.current();
|
4120 | if (isControlLetter(ch)) {
|
4121 | state.lastIntValue = ch % 0x20;
|
4122 | state.advance();
|
4123 | return true
|
4124 | }
|
4125 | return false
|
4126 | };
|
4127 | function isControlLetter(ch) {
|
4128 | return (
|
4129 | (ch >= 0x41 && ch <= 0x5A ) ||
|
4130 | (ch >= 0x61 && ch <= 0x7A )
|
4131 | )
|
4132 | }
|
4133 |
|
4134 |
|
4135 | pp$9.regexp_eatRegExpUnicodeEscapeSequence = function(state) {
|
4136 | var start = state.pos;
|
4137 |
|
4138 | if (state.eat(0x75 )) {
|
4139 | if (this.regexp_eatFixedHexDigits(state, 4)) {
|
4140 | var lead = state.lastIntValue;
|
4141 | if (state.switchU && lead >= 0xD800 && lead <= 0xDBFF) {
|
4142 | var leadSurrogateEnd = state.pos;
|
4143 | if (state.eat(0x5C ) && state.eat(0x75 ) && this.regexp_eatFixedHexDigits(state, 4)) {
|
4144 | var trail = state.lastIntValue;
|
4145 | if (trail >= 0xDC00 && trail <= 0xDFFF) {
|
4146 | state.lastIntValue = (lead - 0xD800) * 0x400 + (trail - 0xDC00) + 0x10000;
|
4147 | return true
|
4148 | }
|
4149 | }
|
4150 | state.pos = leadSurrogateEnd;
|
4151 | state.lastIntValue = lead;
|
4152 | }
|
4153 | return true
|
4154 | }
|
4155 | if (
|
4156 | state.switchU &&
|
4157 | state.eat(0x7B ) &&
|
4158 | this.regexp_eatHexDigits(state) &&
|
4159 | state.eat(0x7D ) &&
|
4160 | isValidUnicode(state.lastIntValue)
|
4161 | ) {
|
4162 | return true
|
4163 | }
|
4164 | if (state.switchU) {
|
4165 | state.raise("Invalid unicode escape");
|
4166 | }
|
4167 | state.pos = start;
|
4168 | }
|
4169 |
|
4170 | return false
|
4171 | };
|
4172 | function isValidUnicode(ch) {
|
4173 | return ch >= 0 && ch <= 0x10FFFF
|
4174 | }
|
4175 |
|
4176 |
|
4177 | pp$9.regexp_eatIdentityEscape = function(state) {
|
4178 | if (state.switchU) {
|
4179 | if (this.regexp_eatSyntaxCharacter(state)) {
|
4180 | return true
|
4181 | }
|
4182 | if (state.eat(0x2F )) {
|
4183 | state.lastIntValue = 0x2F;
|
4184 | return true
|
4185 | }
|
4186 | return false
|
4187 | }
|
4188 |
|
4189 | var ch = state.current();
|
4190 | if (ch !== 0x63 && (!state.switchN || ch !== 0x6B )) {
|
4191 | state.lastIntValue = ch;
|
4192 | state.advance();
|
4193 | return true
|
4194 | }
|
4195 |
|
4196 | return false
|
4197 | };
|
4198 |
|
4199 |
|
4200 | pp$9.regexp_eatDecimalEscape = function(state) {
|
4201 | state.lastIntValue = 0;
|
4202 | var ch = state.current();
|
4203 | if (ch >= 0x31 && ch <= 0x39 ) {
|
4204 | do {
|
4205 | state.lastIntValue = 10 * state.lastIntValue + (ch - 0x30 );
|
4206 | state.advance();
|
4207 | } while ((ch = state.current()) >= 0x30 && ch <= 0x39 )
|
4208 | return true
|
4209 | }
|
4210 | return false
|
4211 | };
|
4212 |
|
4213 |
|
4214 | pp$9.regexp_eatCharacterClassEscape = function(state) {
|
4215 | var ch = state.current();
|
4216 |
|
4217 | if (isCharacterClassEscape(ch)) {
|
4218 | state.lastIntValue = -1;
|
4219 | state.advance();
|
4220 | return true
|
4221 | }
|
4222 |
|
4223 | if (
|
4224 | state.switchU &&
|
4225 | this.options.ecmaVersion >= 9 &&
|
4226 | (ch === 0x50 || ch === 0x70 )
|
4227 | ) {
|
4228 | state.lastIntValue = -1;
|
4229 | state.advance();
|
4230 | if (
|
4231 | state.eat(0x7B ) &&
|
4232 | this.regexp_eatUnicodePropertyValueExpression(state) &&
|
4233 | state.eat(0x7D )
|
4234 | ) {
|
4235 | return true
|
4236 | }
|
4237 | state.raise("Invalid property name");
|
4238 | }
|
4239 |
|
4240 | return false
|
4241 | };
|
4242 | function isCharacterClassEscape(ch) {
|
4243 | return (
|
4244 | ch === 0x64 ||
|
4245 | ch === 0x44 ||
|
4246 | ch === 0x73 ||
|
4247 | ch === 0x53 ||
|
4248 | ch === 0x77 ||
|
4249 | ch === 0x57
|
4250 | )
|
4251 | }
|
4252 |
|
4253 |
|
4254 |
|
4255 |
|
4256 | pp$9.regexp_eatUnicodePropertyValueExpression = function(state) {
|
4257 | var start = state.pos;
|
4258 |
|
4259 |
|
4260 | if (this.regexp_eatUnicodePropertyName(state) && state.eat(0x3D )) {
|
4261 | var name = state.lastStringValue;
|
4262 | if (this.regexp_eatUnicodePropertyValue(state)) {
|
4263 | var value = state.lastStringValue;
|
4264 | this.regexp_validateUnicodePropertyNameAndValue(state, name, value);
|
4265 | return true
|
4266 | }
|
4267 | }
|
4268 | state.pos = start;
|
4269 |
|
4270 |
|
4271 | if (this.regexp_eatLoneUnicodePropertyNameOrValue(state)) {
|
4272 | var nameOrValue = state.lastStringValue;
|
4273 | this.regexp_validateUnicodePropertyNameOrValue(state, nameOrValue);
|
4274 | return true
|
4275 | }
|
4276 | return false
|
4277 | };
|
4278 | pp$9.regexp_validateUnicodePropertyNameAndValue = function(state, name, value) {
|
4279 | if (!data.hasOwnProperty(name) || data[name].indexOf(value) === -1) {
|
4280 | state.raise("Invalid property name");
|
4281 | }
|
4282 | };
|
4283 | pp$9.regexp_validateUnicodePropertyNameOrValue = function(state, nameOrValue) {
|
4284 | if (data.$LONE.indexOf(nameOrValue) === -1) {
|
4285 | state.raise("Invalid property name");
|
4286 | }
|
4287 | };
|
4288 |
|
4289 |
|
4290 |
|
4291 | pp$9.regexp_eatUnicodePropertyName = function(state) {
|
4292 | var ch = 0;
|
4293 | state.lastStringValue = "";
|
4294 | while (isUnicodePropertyNameCharacter(ch = state.current())) {
|
4295 | state.lastStringValue += codePointToString$1(ch);
|
4296 | state.advance();
|
4297 | }
|
4298 | return state.lastStringValue !== ""
|
4299 | };
|
4300 | function isUnicodePropertyNameCharacter(ch) {
|
4301 | return isControlLetter(ch) || ch === 0x5F
|
4302 | }
|
4303 |
|
4304 |
|
4305 |
|
4306 | pp$9.regexp_eatUnicodePropertyValue = function(state) {
|
4307 | var ch = 0;
|
4308 | state.lastStringValue = "";
|
4309 | while (isUnicodePropertyValueCharacter(ch = state.current())) {
|
4310 | state.lastStringValue += codePointToString$1(ch);
|
4311 | state.advance();
|
4312 | }
|
4313 | return state.lastStringValue !== ""
|
4314 | };
|
4315 | function isUnicodePropertyValueCharacter(ch) {
|
4316 | return isUnicodePropertyNameCharacter(ch) || isDecimalDigit(ch)
|
4317 | }
|
4318 |
|
4319 |
|
4320 |
|
4321 | pp$9.regexp_eatLoneUnicodePropertyNameOrValue = function(state) {
|
4322 | return this.regexp_eatUnicodePropertyValue(state)
|
4323 | };
|
4324 |
|
4325 |
|
4326 | pp$9.regexp_eatCharacterClass = function(state) {
|
4327 | if (state.eat(0x5B )) {
|
4328 | state.eat(0x5E );
|
4329 | this.regexp_classRanges(state);
|
4330 | if (state.eat(0x5D )) {
|
4331 | return true
|
4332 | }
|
4333 |
|
4334 | state.raise("Unterminated character class");
|
4335 | }
|
4336 | return false
|
4337 | };
|
4338 |
|
4339 |
|
4340 |
|
4341 |
|
4342 | pp$9.regexp_classRanges = function(state) {
|
4343 | var this$1 = this;
|
4344 |
|
4345 | while (this.regexp_eatClassAtom(state)) {
|
4346 | var left = state.lastIntValue;
|
4347 | if (state.eat(0x2D ) && this$1.regexp_eatClassAtom(state)) {
|
4348 | var right = state.lastIntValue;
|
4349 | if (state.switchU && (left === -1 || right === -1)) {
|
4350 | state.raise("Invalid character class");
|
4351 | }
|
4352 | if (left !== -1 && right !== -1 && left > right) {
|
4353 | state.raise("Range out of order in character class");
|
4354 | }
|
4355 | }
|
4356 | }
|
4357 | };
|
4358 |
|
4359 |
|
4360 |
|
4361 | pp$9.regexp_eatClassAtom = function(state) {
|
4362 | var start = state.pos;
|
4363 |
|
4364 | if (state.eat(0x5C )) {
|
4365 | if (this.regexp_eatClassEscape(state)) {
|
4366 | return true
|
4367 | }
|
4368 | if (state.switchU) {
|
4369 |
|
4370 | var ch$1 = state.current();
|
4371 | if (ch$1 === 0x63 || isOctalDigit(ch$1)) {
|
4372 | state.raise("Invalid class escape");
|
4373 | }
|
4374 | state.raise("Invalid escape");
|
4375 | }
|
4376 | state.pos = start;
|
4377 | }
|
4378 |
|
4379 | var ch = state.current();
|
4380 | if (ch !== 0x5D ) {
|
4381 | state.lastIntValue = ch;
|
4382 | state.advance();
|
4383 | return true
|
4384 | }
|
4385 |
|
4386 | return false
|
4387 | };
|
4388 |
|
4389 |
|
4390 | pp$9.regexp_eatClassEscape = function(state) {
|
4391 | var start = state.pos;
|
4392 |
|
4393 | if (state.eat(0x62 )) {
|
4394 | state.lastIntValue = 0x08;
|
4395 | return true
|
4396 | }
|
4397 |
|
4398 | if (state.switchU && state.eat(0x2D )) {
|
4399 | state.lastIntValue = 0x2D;
|
4400 | return true
|
4401 | }
|
4402 |
|
4403 | if (!state.switchU && state.eat(0x63 )) {
|
4404 | if (this.regexp_eatClassControlLetter(state)) {
|
4405 | return true
|
4406 | }
|
4407 | state.pos = start;
|
4408 | }
|
4409 |
|
4410 | return (
|
4411 | this.regexp_eatCharacterClassEscape(state) ||
|
4412 | this.regexp_eatCharacterEscape(state)
|
4413 | )
|
4414 | };
|
4415 |
|
4416 |
|
4417 | pp$9.regexp_eatClassControlLetter = function(state) {
|
4418 | var ch = state.current();
|
4419 | if (isDecimalDigit(ch) || ch === 0x5F ) {
|
4420 | state.lastIntValue = ch % 0x20;
|
4421 | state.advance();
|
4422 | return true
|
4423 | }
|
4424 | return false
|
4425 | };
|
4426 |
|
4427 |
|
4428 | pp$9.regexp_eatHexEscapeSequence = function(state) {
|
4429 | var start = state.pos;
|
4430 | if (state.eat(0x78 )) {
|
4431 | if (this.regexp_eatFixedHexDigits(state, 2)) {
|
4432 | return true
|
4433 | }
|
4434 | if (state.switchU) {
|
4435 | state.raise("Invalid escape");
|
4436 | }
|
4437 | state.pos = start;
|
4438 | }
|
4439 | return false
|
4440 | };
|
4441 |
|
4442 |
|
4443 | pp$9.regexp_eatDecimalDigits = function(state) {
|
4444 | var start = state.pos;
|
4445 | var ch = 0;
|
4446 | state.lastIntValue = 0;
|
4447 | while (isDecimalDigit(ch = state.current())) {
|
4448 | state.lastIntValue = 10 * state.lastIntValue + (ch - 0x30 );
|
4449 | state.advance();
|
4450 | }
|
4451 | return state.pos !== start
|
4452 | };
|
4453 | function isDecimalDigit(ch) {
|
4454 | return ch >= 0x30 && ch <= 0x39
|
4455 | }
|
4456 |
|
4457 |
|
4458 | pp$9.regexp_eatHexDigits = function(state) {
|
4459 | var start = state.pos;
|
4460 | var ch = 0;
|
4461 | state.lastIntValue = 0;
|
4462 | while (isHexDigit(ch = state.current())) {
|
4463 | state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch);
|
4464 | state.advance();
|
4465 | }
|
4466 | return state.pos !== start
|
4467 | };
|
4468 | function isHexDigit(ch) {
|
4469 | return (
|
4470 | (ch >= 0x30 && ch <= 0x39 ) ||
|
4471 | (ch >= 0x41 && ch <= 0x46 ) ||
|
4472 | (ch >= 0x61 && ch <= 0x66 )
|
4473 | )
|
4474 | }
|
4475 | function hexToInt(ch) {
|
4476 | if (ch >= 0x41 && ch <= 0x46 ) {
|
4477 | return 10 + (ch - 0x41 )
|
4478 | }
|
4479 | if (ch >= 0x61 && ch <= 0x66 ) {
|
4480 | return 10 + (ch - 0x61 )
|
4481 | }
|
4482 | return ch - 0x30
|
4483 | }
|
4484 |
|
4485 |
|
4486 |
|
4487 | pp$9.regexp_eatLegacyOctalEscapeSequence = function(state) {
|
4488 | if (this.regexp_eatOctalDigit(state)) {
|
4489 | var n1 = state.lastIntValue;
|
4490 | if (this.regexp_eatOctalDigit(state)) {
|
4491 | var n2 = state.lastIntValue;
|
4492 | if (n1 <= 3 && this.regexp_eatOctalDigit(state)) {
|
4493 | state.lastIntValue = n1 * 64 + n2 * 8 + state.lastIntValue;
|
4494 | } else {
|
4495 | state.lastIntValue = n1 * 8 + n2;
|
4496 | }
|
4497 | } else {
|
4498 | state.lastIntValue = n1;
|
4499 | }
|
4500 | return true
|
4501 | }
|
4502 | return false
|
4503 | };
|
4504 |
|
4505 |
|
4506 | pp$9.regexp_eatOctalDigit = function(state) {
|
4507 | var ch = state.current();
|
4508 | if (isOctalDigit(ch)) {
|
4509 | state.lastIntValue = ch - 0x30;
|
4510 | state.advance();
|
4511 | return true
|
4512 | }
|
4513 | state.lastIntValue = 0;
|
4514 | return false
|
4515 | };
|
4516 | function isOctalDigit(ch) {
|
4517 | return ch >= 0x30 && ch <= 0x37
|
4518 | }
|
4519 |
|
4520 |
|
4521 |
|
4522 |
|
4523 | pp$9.regexp_eatFixedHexDigits = function(state, length) {
|
4524 | var start = state.pos;
|
4525 | state.lastIntValue = 0;
|
4526 | for (var i = 0; i < length; ++i) {
|
4527 | var ch = state.current();
|
4528 | if (!isHexDigit(ch)) {
|
4529 | state.pos = start;
|
4530 | return false
|
4531 | }
|
4532 | state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch);
|
4533 | state.advance();
|
4534 | }
|
4535 | return true
|
4536 | };
|
4537 |
|
4538 |
|
4539 |
|
4540 |
|
4541 |
|
4542 | var Token = function Token(p) {
|
4543 | this.type = p.type;
|
4544 | this.value = p.value;
|
4545 | this.start = p.start;
|
4546 | this.end = p.end;
|
4547 | if (p.options.locations)
|
4548 | { this.loc = new SourceLocation(p, p.startLoc, p.endLoc); }
|
4549 | if (p.options.ranges)
|
4550 | { this.range = [p.start, p.end]; }
|
4551 | };
|
4552 |
|
4553 |
|
4554 |
|
4555 | var pp$8 = Parser.prototype;
|
4556 |
|
4557 |
|
4558 |
|
4559 | pp$8.next = function() {
|
4560 | if (this.options.onToken)
|
4561 | { this.options.onToken(new Token(this)); }
|
4562 |
|
4563 | this.lastTokEnd = this.end;
|
4564 | this.lastTokStart = this.start;
|
4565 | this.lastTokEndLoc = this.endLoc;
|
4566 | this.lastTokStartLoc = this.startLoc;
|
4567 | this.nextToken();
|
4568 | };
|
4569 |
|
4570 | pp$8.getToken = function() {
|
4571 | this.next();
|
4572 | return new Token(this)
|
4573 | };
|
4574 |
|
4575 |
|
4576 | if (typeof Symbol !== "undefined")
|
4577 | { pp$8[Symbol.iterator] = function() {
|
4578 | var this$1 = this;
|
4579 |
|
4580 | return {
|
4581 | next: function () {
|
4582 | var token = this$1.getToken();
|
4583 | return {
|
4584 | done: token.type === types.eof,
|
4585 | value: token
|
4586 | }
|
4587 | }
|
4588 | }
|
4589 | }; }
|
4590 |
|
4591 |
|
4592 |
|
4593 |
|
4594 | pp$8.curContext = function() {
|
4595 | return this.context[this.context.length - 1]
|
4596 | };
|
4597 |
|
4598 |
|
4599 |
|
4600 |
|
4601 | pp$8.nextToken = function() {
|
4602 | var curContext = this.curContext();
|
4603 | if (!curContext || !curContext.preserveSpace) { this.skipSpace(); }
|
4604 |
|
4605 | this.start = this.pos;
|
4606 | if (this.options.locations) { this.startLoc = this.curPosition(); }
|
4607 | if (this.pos >= this.input.length) { return this.finishToken(types.eof) }
|
4608 |
|
4609 | if (curContext.override) { return curContext.override(this) }
|
4610 | else { this.readToken(this.fullCharCodeAtPos()); }
|
4611 | };
|
4612 |
|
4613 | pp$8.readToken = function(code) {
|
4614 |
|
4615 |
|
4616 | if (isIdentifierStart(code, this.options.ecmaVersion >= 6) || code === 92 )
|
4617 | { return this.readWord() }
|
4618 |
|
4619 | return this.getTokenFromCode(code)
|
4620 | };
|
4621 |
|
4622 | pp$8.fullCharCodeAtPos = function() {
|
4623 | var code = this.input.charCodeAt(this.pos);
|
4624 | if (code <= 0xd7ff || code >= 0xe000) { return code }
|
4625 | var next = this.input.charCodeAt(this.pos + 1);
|
4626 | return (code << 10) + next - 0x35fdc00
|
4627 | };
|
4628 |
|
4629 | pp$8.skipBlockComment = function() {
|
4630 | var this$1 = this;
|
4631 |
|
4632 | var startLoc = this.options.onComment && this.curPosition();
|
4633 | var start = this.pos, end = this.input.indexOf("*/", this.pos += 2);
|
4634 | if (end === -1) { this.raise(this.pos - 2, "Unterminated comment"); }
|
4635 | this.pos = end + 2;
|
4636 | if (this.options.locations) {
|
4637 | lineBreakG.lastIndex = start;
|
4638 | var match;
|
4639 | while ((match = lineBreakG.exec(this.input)) && match.index < this.pos) {
|
4640 | ++this$1.curLine;
|
4641 | this$1.lineStart = match.index + match[0].length;
|
4642 | }
|
4643 | }
|
4644 | if (this.options.onComment)
|
4645 | { this.options.onComment(true, this.input.slice(start + 2, end), start, this.pos,
|
4646 | startLoc, this.curPosition()); }
|
4647 | };
|
4648 |
|
4649 | pp$8.skipLineComment = function(startSkip) {
|
4650 | var this$1 = this;
|
4651 |
|
4652 | var start = this.pos;
|
4653 | var startLoc = this.options.onComment && this.curPosition();
|
4654 | var ch = this.input.charCodeAt(this.pos += startSkip);
|
4655 | while (this.pos < this.input.length && !isNewLine(ch)) {
|
4656 | ch = this$1.input.charCodeAt(++this$1.pos);
|
4657 | }
|
4658 | if (this.options.onComment)
|
4659 | { this.options.onComment(false, this.input.slice(start + startSkip, this.pos), start, this.pos,
|
4660 | startLoc, this.curPosition()); }
|
4661 | };
|
4662 |
|
4663 |
|
4664 |
|
4665 |
|
4666 | pp$8.skipSpace = function() {
|
4667 | var this$1 = this;
|
4668 |
|
4669 | loop: while (this.pos < this.input.length) {
|
4670 | var ch = this$1.input.charCodeAt(this$1.pos);
|
4671 | switch (ch) {
|
4672 | case 32: case 160:
|
4673 | ++this$1.pos;
|
4674 | break
|
4675 | case 13:
|
4676 | if (this$1.input.charCodeAt(this$1.pos + 1) === 10) {
|
4677 | ++this$1.pos;
|
4678 | }
|
4679 | case 10: case 8232: case 8233:
|
4680 | ++this$1.pos;
|
4681 | if (this$1.options.locations) {
|
4682 | ++this$1.curLine;
|
4683 | this$1.lineStart = this$1.pos;
|
4684 | }
|
4685 | break
|
4686 | case 47:
|
4687 | switch (this$1.input.charCodeAt(this$1.pos + 1)) {
|
4688 | case 42:
|
4689 | this$1.skipBlockComment();
|
4690 | break
|
4691 | case 47:
|
4692 | this$1.skipLineComment(2);
|
4693 | break
|
4694 | default:
|
4695 | break loop
|
4696 | }
|
4697 | break
|
4698 | default:
|
4699 | if (ch > 8 && ch < 14 || ch >= 5760 && nonASCIIwhitespace.test(String.fromCharCode(ch))) {
|
4700 | ++this$1.pos;
|
4701 | } else {
|
4702 | break loop
|
4703 | }
|
4704 | }
|
4705 | }
|
4706 | };
|
4707 |
|
4708 |
|
4709 |
|
4710 |
|
4711 |
|
4712 |
|
4713 | pp$8.finishToken = function(type, val) {
|
4714 | this.end = this.pos;
|
4715 | if (this.options.locations) { this.endLoc = this.curPosition(); }
|
4716 | var prevType = this.type;
|
4717 | this.type = type;
|
4718 | this.value = val;
|
4719 |
|
4720 | this.updateContext(prevType);
|
4721 | };
|
4722 |
|
4723 |
|
4724 |
|
4725 |
|
4726 |
|
4727 |
|
4728 |
|
4729 |
|
4730 |
|
4731 |
|
4732 | pp$8.readToken_dot = function() {
|
4733 | var next = this.input.charCodeAt(this.pos + 1);
|
4734 | if (next >= 48 && next <= 57) { return this.readNumber(true) }
|
4735 | var next2 = this.input.charCodeAt(this.pos + 2);
|
4736 | if (this.options.ecmaVersion >= 6 && next === 46 && next2 === 46) {
|
4737 | this.pos += 3;
|
4738 | return this.finishToken(types.ellipsis)
|
4739 | } else {
|
4740 | ++this.pos;
|
4741 | return this.finishToken(types.dot)
|
4742 | }
|
4743 | };
|
4744 |
|
4745 | pp$8.readToken_slash = function() {
|
4746 | var next = this.input.charCodeAt(this.pos + 1);
|
4747 | if (this.exprAllowed) { ++this.pos; return this.readRegexp() }
|
4748 | if (next === 61) { return this.finishOp(types.assign, 2) }
|
4749 | return this.finishOp(types.slash, 1)
|
4750 | };
|
4751 |
|
4752 | pp$8.readToken_mult_modulo_exp = function(code) {
|
4753 | var next = this.input.charCodeAt(this.pos + 1);
|
4754 | var size = 1;
|
4755 | var tokentype = code === 42 ? types.star : types.modulo;
|
4756 |
|
4757 |
|
4758 | if (this.options.ecmaVersion >= 7 && code == 42 && next === 42) {
|
4759 | ++size;
|
4760 | tokentype = types.starstar;
|
4761 | next = this.input.charCodeAt(this.pos + 2);
|
4762 | }
|
4763 |
|
4764 | if (next === 61) { return this.finishOp(types.assign, size + 1) }
|
4765 | return this.finishOp(tokentype, size)
|
4766 | };
|
4767 |
|
4768 | pp$8.readToken_pipe_amp = function(code) {
|
4769 | var next = this.input.charCodeAt(this.pos + 1);
|
4770 | if (next === code) { return this.finishOp(code === 124 ? types.logicalOR : types.logicalAND, 2) }
|
4771 | if (next === 61) { return this.finishOp(types.assign, 2) }
|
4772 | return this.finishOp(code === 124 ? types.bitwiseOR : types.bitwiseAND, 1)
|
4773 | };
|
4774 |
|
4775 | pp$8.readToken_caret = function() {
|
4776 | var next = this.input.charCodeAt(this.pos + 1);
|
4777 | if (next === 61) { return this.finishOp(types.assign, 2) }
|
4778 | return this.finishOp(types.bitwiseXOR, 1)
|
4779 | };
|
4780 |
|
4781 | pp$8.readToken_plus_min = function(code) {
|
4782 | var next = this.input.charCodeAt(this.pos + 1);
|
4783 | if (next === code) {
|
4784 | if (next == 45 && !this.inModule && this.input.charCodeAt(this.pos + 2) == 62 &&
|
4785 | (this.lastTokEnd === 0 || lineBreak.test(this.input.slice(this.lastTokEnd, this.pos)))) {
|
4786 |
|
4787 | this.skipLineComment(3);
|
4788 | this.skipSpace();
|
4789 | return this.nextToken()
|
4790 | }
|
4791 | return this.finishOp(types.incDec, 2)
|
4792 | }
|
4793 | if (next === 61) { return this.finishOp(types.assign, 2) }
|
4794 | return this.finishOp(types.plusMin, 1)
|
4795 | };
|
4796 |
|
4797 | pp$8.readToken_lt_gt = function(code) {
|
4798 | var next = this.input.charCodeAt(this.pos + 1);
|
4799 | var size = 1;
|
4800 | if (next === code) {
|
4801 | size = code === 62 && this.input.charCodeAt(this.pos + 2) === 62 ? 3 : 2;
|
4802 | if (this.input.charCodeAt(this.pos + size) === 61) { return this.finishOp(types.assign, size + 1) }
|
4803 | return this.finishOp(types.bitShift, size)
|
4804 | }
|
4805 | if (next == 33 && code == 60 && !this.inModule && this.input.charCodeAt(this.pos + 2) == 45 &&
|
4806 | this.input.charCodeAt(this.pos + 3) == 45) {
|
4807 |
|
4808 | this.skipLineComment(4);
|
4809 | this.skipSpace();
|
4810 | return this.nextToken()
|
4811 | }
|
4812 | if (next === 61) { size = 2; }
|
4813 | return this.finishOp(types.relational, size)
|
4814 | };
|
4815 |
|
4816 | pp$8.readToken_eq_excl = function(code) {
|
4817 | var next = this.input.charCodeAt(this.pos + 1);
|
4818 | if (next === 61) { return this.finishOp(types.equality, this.input.charCodeAt(this.pos + 2) === 61 ? 3 : 2) }
|
4819 | if (code === 61 && next === 62 && this.options.ecmaVersion >= 6) {
|
4820 | this.pos += 2;
|
4821 | return this.finishToken(types.arrow)
|
4822 | }
|
4823 | return this.finishOp(code === 61 ? types.eq : types.prefix, 1)
|
4824 | };
|
4825 |
|
4826 | pp$8.getTokenFromCode = function(code) {
|
4827 | switch (code) {
|
4828 |
|
4829 |
|
4830 | case 46:
|
4831 | return this.readToken_dot()
|
4832 |
|
4833 |
|
4834 | case 40: ++this.pos; return this.finishToken(types.parenL)
|
4835 | case 41: ++this.pos; return this.finishToken(types.parenR)
|
4836 | case 59: ++this.pos; return this.finishToken(types.semi)
|
4837 | case 44: ++this.pos; return this.finishToken(types.comma)
|
4838 | case 91: ++this.pos; return this.finishToken(types.bracketL)
|
4839 | case 93: ++this.pos; return this.finishToken(types.bracketR)
|
4840 | case 123: ++this.pos; return this.finishToken(types.braceL)
|
4841 | case 125: ++this.pos; return this.finishToken(types.braceR)
|
4842 | case 58: ++this.pos; return this.finishToken(types.colon)
|
4843 | case 63: ++this.pos; return this.finishToken(types.question)
|
4844 |
|
4845 | case 96:
|
4846 | if (this.options.ecmaVersion < 6) { break }
|
4847 | ++this.pos;
|
4848 | return this.finishToken(types.backQuote)
|
4849 |
|
4850 | case 48:
|
4851 | var next = this.input.charCodeAt(this.pos + 1);
|
4852 | if (next === 120 || next === 88) { return this.readRadixNumber(16) }
|
4853 | if (this.options.ecmaVersion >= 6) {
|
4854 | if (next === 111 || next === 79) { return this.readRadixNumber(8) }
|
4855 | if (next === 98 || next === 66) { return this.readRadixNumber(2) }
|
4856 | }
|
4857 |
|
4858 |
|
4859 |
|
4860 | case 49: case 50: case 51: case 52: case 53: case 54: case 55: case 56: case 57:
|
4861 | return this.readNumber(false)
|
4862 |
|
4863 |
|
4864 | case 34: case 39:
|
4865 | return this.readString(code)
|
4866 |
|
4867 |
|
4868 |
|
4869 |
|
4870 |
|
4871 |
|
4872 | case 47:
|
4873 | return this.readToken_slash()
|
4874 |
|
4875 | case 37: case 42:
|
4876 | return this.readToken_mult_modulo_exp(code)
|
4877 |
|
4878 | case 124: case 38:
|
4879 | return this.readToken_pipe_amp(code)
|
4880 |
|
4881 | case 94:
|
4882 | return this.readToken_caret()
|
4883 |
|
4884 | case 43: case 45:
|
4885 | return this.readToken_plus_min(code)
|
4886 |
|
4887 | case 60: case 62:
|
4888 | return this.readToken_lt_gt(code)
|
4889 |
|
4890 | case 61: case 33:
|
4891 | return this.readToken_eq_excl(code)
|
4892 |
|
4893 | case 126:
|
4894 | return this.finishOp(types.prefix, 1)
|
4895 | }
|
4896 |
|
4897 | this.raise(this.pos, "Unexpected character '" + codePointToString(code) + "'");
|
4898 | };
|
4899 |
|
4900 | pp$8.finishOp = function(type, size) {
|
4901 | var str = this.input.slice(this.pos, this.pos + size);
|
4902 | this.pos += size;
|
4903 | return this.finishToken(type, str)
|
4904 | };
|
4905 |
|
4906 | pp$8.readRegexp = function() {
|
4907 | var this$1 = this;
|
4908 |
|
4909 | var escaped, inClass, start = this.pos;
|
4910 | for (;;) {
|
4911 | if (this$1.pos >= this$1.input.length) { this$1.raise(start, "Unterminated regular expression"); }
|
4912 | var ch = this$1.input.charAt(this$1.pos);
|
4913 | if (lineBreak.test(ch)) { this$1.raise(start, "Unterminated regular expression"); }
|
4914 | if (!escaped) {
|
4915 | if (ch === "[") { inClass = true; }
|
4916 | else if (ch === "]" && inClass) { inClass = false; }
|
4917 | else if (ch === "/" && !inClass) { break }
|
4918 | escaped = ch === "\\";
|
4919 | } else { escaped = false; }
|
4920 | ++this$1.pos;
|
4921 | }
|
4922 | var pattern = this.input.slice(start, this.pos);
|
4923 | ++this.pos;
|
4924 | var flagsStart = this.pos;
|
4925 | var flags = this.readWord1();
|
4926 | if (this.containsEsc) { this.unexpected(flagsStart); }
|
4927 |
|
4928 |
|
4929 | var state = this.regexpState || (this.regexpState = new RegExpValidationState(this));
|
4930 | state.reset(start, pattern, flags);
|
4931 | this.validateRegExpFlags(state);
|
4932 | this.validateRegExpPattern(state);
|
4933 |
|
4934 |
|
4935 | var value = null;
|
4936 | try {
|
4937 | value = new RegExp(pattern, flags);
|
4938 | } catch (e) {
|
4939 |
|
4940 |
|
4941 | }
|
4942 |
|
4943 | return this.finishToken(types.regexp, {pattern: pattern, flags: flags, value: value})
|
4944 | };
|
4945 |
|
4946 |
|
4947 |
|
4948 |
|
4949 |
|
4950 | pp$8.readInt = function(radix, len) {
|
4951 | var this$1 = this;
|
4952 |
|
4953 | var start = this.pos, total = 0;
|
4954 | for (var i = 0, e = len == null ? Infinity : len; i < e; ++i) {
|
4955 | var code = this$1.input.charCodeAt(this$1.pos), val = (void 0);
|
4956 | if (code >= 97) { val = code - 97 + 10; }
|
4957 | else if (code >= 65) { val = code - 65 + 10; }
|
4958 | else if (code >= 48 && code <= 57) { val = code - 48; }
|
4959 | else { val = Infinity; }
|
4960 | if (val >= radix) { break }
|
4961 | ++this$1.pos;
|
4962 | total = total * radix + val;
|
4963 | }
|
4964 | if (this.pos === start || len != null && this.pos - start !== len) { return null }
|
4965 |
|
4966 | return total
|
4967 | };
|
4968 |
|
4969 | pp$8.readRadixNumber = function(radix) {
|
4970 | this.pos += 2;
|
4971 | var val = this.readInt(radix);
|
4972 | if (val == null) { this.raise(this.start + 2, "Expected number in radix " + radix); }
|
4973 | if (isIdentifierStart(this.fullCharCodeAtPos())) { this.raise(this.pos, "Identifier directly after number"); }
|
4974 | return this.finishToken(types.num, val)
|
4975 | };
|
4976 |
|
4977 |
|
4978 |
|
4979 | pp$8.readNumber = function(startsWithDot) {
|
4980 | var start = this.pos;
|
4981 | if (!startsWithDot && this.readInt(10) === null) { this.raise(start, "Invalid number"); }
|
4982 | var octal = this.pos - start >= 2 && this.input.charCodeAt(start) === 48;
|
4983 | if (octal && this.strict) { this.raise(start, "Invalid number"); }
|
4984 | if (octal && /[89]/.test(this.input.slice(start, this.pos))) { octal = false; }
|
4985 | var next = this.input.charCodeAt(this.pos);
|
4986 | if (next === 46 && !octal) {
|
4987 | ++this.pos;
|
4988 | this.readInt(10);
|
4989 | next = this.input.charCodeAt(this.pos);
|
4990 | }
|
4991 | if ((next === 69 || next === 101) && !octal) {
|
4992 | next = this.input.charCodeAt(++this.pos);
|
4993 | if (next === 43 || next === 45) { ++this.pos; }
|
4994 | if (this.readInt(10) === null) { this.raise(start, "Invalid number"); }
|
4995 | }
|
4996 | if (isIdentifierStart(this.fullCharCodeAtPos())) { this.raise(this.pos, "Identifier directly after number"); }
|
4997 |
|
4998 | var str = this.input.slice(start, this.pos);
|
4999 | var val = octal ? parseInt(str, 8) : parseFloat(str);
|
5000 | return this.finishToken(types.num, val)
|
5001 | };
|
5002 |
|
5003 |
|
5004 |
|
5005 | pp$8.readCodePoint = function() {
|
5006 | var ch = this.input.charCodeAt(this.pos), code;
|
5007 |
|
5008 | if (ch === 123) {
|
5009 | if (this.options.ecmaVersion < 6) { this.unexpected(); }
|
5010 | var codePos = ++this.pos;
|
5011 | code = this.readHexChar(this.input.indexOf("}", this.pos) - this.pos);
|
5012 | ++this.pos;
|
5013 | if (code > 0x10FFFF) { this.invalidStringToken(codePos, "Code point out of bounds"); }
|
5014 | } else {
|
5015 | code = this.readHexChar(4);
|
5016 | }
|
5017 | return code
|
5018 | };
|
5019 |
|
5020 | function codePointToString(code) {
|
5021 |
|
5022 | if (code <= 0xFFFF) { return String.fromCharCode(code) }
|
5023 | code -= 0x10000;
|
5024 | return String.fromCharCode((code >> 10) + 0xD800, (code & 1023) + 0xDC00)
|
5025 | }
|
5026 |
|
5027 | pp$8.readString = function(quote) {
|
5028 | var this$1 = this;
|
5029 |
|
5030 | var out = "", chunkStart = ++this.pos;
|
5031 | for (;;) {
|
5032 | if (this$1.pos >= this$1.input.length) { this$1.raise(this$1.start, "Unterminated string constant"); }
|
5033 | var ch = this$1.input.charCodeAt(this$1.pos);
|
5034 | if (ch === quote) { break }
|
5035 | if (ch === 92) {
|
5036 | out += this$1.input.slice(chunkStart, this$1.pos);
|
5037 | out += this$1.readEscapedChar(false);
|
5038 | chunkStart = this$1.pos;
|
5039 | } else {
|
5040 | if (isNewLine(ch)) { this$1.raise(this$1.start, "Unterminated string constant"); }
|
5041 | ++this$1.pos;
|
5042 | }
|
5043 | }
|
5044 | out += this.input.slice(chunkStart, this.pos++);
|
5045 | return this.finishToken(types.string, out)
|
5046 | };
|
5047 |
|
5048 |
|
5049 |
|
5050 | var INVALID_TEMPLATE_ESCAPE_ERROR = {};
|
5051 |
|
5052 | pp$8.tryReadTemplateToken = function() {
|
5053 | this.inTemplateElement = true;
|
5054 | try {
|
5055 | this.readTmplToken();
|
5056 | } catch (err) {
|
5057 | if (err === INVALID_TEMPLATE_ESCAPE_ERROR) {
|
5058 | this.readInvalidTemplateToken();
|
5059 | } else {
|
5060 | throw err
|
5061 | }
|
5062 | }
|
5063 |
|
5064 | this.inTemplateElement = false;
|
5065 | };
|
5066 |
|
5067 | pp$8.invalidStringToken = function(position, message) {
|
5068 | if (this.inTemplateElement && this.options.ecmaVersion >= 9) {
|
5069 | throw INVALID_TEMPLATE_ESCAPE_ERROR
|
5070 | } else {
|
5071 | this.raise(position, message);
|
5072 | }
|
5073 | };
|
5074 |
|
5075 | pp$8.readTmplToken = function() {
|
5076 | var this$1 = this;
|
5077 |
|
5078 | var out = "", chunkStart = this.pos;
|
5079 | for (;;) {
|
5080 | if (this$1.pos >= this$1.input.length) { this$1.raise(this$1.start, "Unterminated template"); }
|
5081 | var ch = this$1.input.charCodeAt(this$1.pos);
|
5082 | if (ch === 96 || ch === 36 && this$1.input.charCodeAt(this$1.pos + 1) === 123) {
|
5083 | if (this$1.pos === this$1.start && (this$1.type === types.template || this$1.type === types.invalidTemplate)) {
|
5084 | if (ch === 36) {
|
5085 | this$1.pos += 2;
|
5086 | return this$1.finishToken(types.dollarBraceL)
|
5087 | } else {
|
5088 | ++this$1.pos;
|
5089 | return this$1.finishToken(types.backQuote)
|
5090 | }
|
5091 | }
|
5092 | out += this$1.input.slice(chunkStart, this$1.pos);
|
5093 | return this$1.finishToken(types.template, out)
|
5094 | }
|
5095 | if (ch === 92) {
|
5096 | out += this$1.input.slice(chunkStart, this$1.pos);
|
5097 | out += this$1.readEscapedChar(true);
|
5098 | chunkStart = this$1.pos;
|
5099 | } else if (isNewLine(ch)) {
|
5100 | out += this$1.input.slice(chunkStart, this$1.pos);
|
5101 | ++this$1.pos;
|
5102 | switch (ch) {
|
5103 | case 13:
|
5104 | if (this$1.input.charCodeAt(this$1.pos) === 10) { ++this$1.pos; }
|
5105 | case 10:
|
5106 | out += "\n";
|
5107 | break
|
5108 | default:
|
5109 | out += String.fromCharCode(ch);
|
5110 | break
|
5111 | }
|
5112 | if (this$1.options.locations) {
|
5113 | ++this$1.curLine;
|
5114 | this$1.lineStart = this$1.pos;
|
5115 | }
|
5116 | chunkStart = this$1.pos;
|
5117 | } else {
|
5118 | ++this$1.pos;
|
5119 | }
|
5120 | }
|
5121 | };
|
5122 |
|
5123 |
|
5124 | pp$8.readInvalidTemplateToken = function() {
|
5125 | var this$1 = this;
|
5126 |
|
5127 | for (; this.pos < this.input.length; this.pos++) {
|
5128 | switch (this$1.input[this$1.pos]) {
|
5129 | case "\\":
|
5130 | ++this$1.pos;
|
5131 | break
|
5132 |
|
5133 | case "$":
|
5134 | if (this$1.input[this$1.pos + 1] !== "{") {
|
5135 | break
|
5136 | }
|
5137 |
|
5138 |
|
5139 | case "`":
|
5140 | return this$1.finishToken(types.invalidTemplate, this$1.input.slice(this$1.start, this$1.pos))
|
5141 |
|
5142 |
|
5143 | }
|
5144 | }
|
5145 | this.raise(this.start, "Unterminated template");
|
5146 | };
|
5147 |
|
5148 |
|
5149 |
|
5150 | pp$8.readEscapedChar = function(inTemplate) {
|
5151 | var ch = this.input.charCodeAt(++this.pos);
|
5152 | ++this.pos;
|
5153 | switch (ch) {
|
5154 | case 110: return "\n"
|
5155 | case 114: return "\r"
|
5156 | case 120: return String.fromCharCode(this.readHexChar(2))
|
5157 | case 117: return codePointToString(this.readCodePoint())
|
5158 | case 116: return "\t"
|
5159 | case 98: return "\b"
|
5160 | case 118: return "\u000b"
|
5161 | case 102: return "\f"
|
5162 | case 13: if (this.input.charCodeAt(this.pos) === 10) { ++this.pos; }
|
5163 | case 10:
|
5164 | if (this.options.locations) { this.lineStart = this.pos; ++this.curLine; }
|
5165 | return ""
|
5166 | default:
|
5167 | if (ch >= 48 && ch <= 55) {
|
5168 | var octalStr = this.input.substr(this.pos - 1, 3).match(/^[0-7]+/)[0];
|
5169 | var octal = parseInt(octalStr, 8);
|
5170 | if (octal > 255) {
|
5171 | octalStr = octalStr.slice(0, -1);
|
5172 | octal = parseInt(octalStr, 8);
|
5173 | }
|
5174 | this.pos += octalStr.length - 1;
|
5175 | ch = this.input.charCodeAt(this.pos);
|
5176 | if ((octalStr !== "0" || ch == 56 || ch == 57) && (this.strict || inTemplate)) {
|
5177 | this.invalidStringToken(
|
5178 | this.pos - 1 - octalStr.length,
|
5179 | inTemplate
|
5180 | ? "Octal literal in template string"
|
5181 | : "Octal literal in strict mode"
|
5182 | );
|
5183 | }
|
5184 | return String.fromCharCode(octal)
|
5185 | }
|
5186 | return String.fromCharCode(ch)
|
5187 | }
|
5188 | };
|
5189 |
|
5190 |
|
5191 |
|
5192 | pp$8.readHexChar = function(len) {
|
5193 | var codePos = this.pos;
|
5194 | var n = this.readInt(16, len);
|
5195 | if (n === null) { this.invalidStringToken(codePos, "Bad character escape sequence"); }
|
5196 | return n
|
5197 | };
|
5198 |
|
5199 |
|
5200 |
|
5201 |
|
5202 |
|
5203 |
|
5204 |
|
5205 | pp$8.readWord1 = function() {
|
5206 | var this$1 = this;
|
5207 |
|
5208 | this.containsEsc = false;
|
5209 | var word = "", first = true, chunkStart = this.pos;
|
5210 | var astral = this.options.ecmaVersion >= 6;
|
5211 | while (this.pos < this.input.length) {
|
5212 | var ch = this$1.fullCharCodeAtPos();
|
5213 | if (isIdentifierChar(ch, astral)) {
|
5214 | this$1.pos += ch <= 0xffff ? 1 : 2;
|
5215 | } else if (ch === 92) {
|
5216 | this$1.containsEsc = true;
|
5217 | word += this$1.input.slice(chunkStart, this$1.pos);
|
5218 | var escStart = this$1.pos;
|
5219 | if (this$1.input.charCodeAt(++this$1.pos) != 117)
|
5220 | { this$1.invalidStringToken(this$1.pos, "Expecting Unicode escape sequence \\uXXXX"); }
|
5221 | ++this$1.pos;
|
5222 | var esc = this$1.readCodePoint();
|
5223 | if (!(first ? isIdentifierStart : isIdentifierChar)(esc, astral))
|
5224 | { this$1.invalidStringToken(escStart, "Invalid Unicode escape"); }
|
5225 | word += codePointToString(esc);
|
5226 | chunkStart = this$1.pos;
|
5227 | } else {
|
5228 | break
|
5229 | }
|
5230 | first = false;
|
5231 | }
|
5232 | return word + this.input.slice(chunkStart, this.pos)
|
5233 | };
|
5234 |
|
5235 |
|
5236 |
|
5237 |
|
5238 | pp$8.readWord = function() {
|
5239 | var word = this.readWord1();
|
5240 | var type = types.name;
|
5241 | if (this.keywords.test(word)) {
|
5242 | if (this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword " + word); }
|
5243 | type = keywords$1[word];
|
5244 | }
|
5245 | return this.finishToken(type, word)
|
5246 | };
|
5247 |
|
5248 |
|
5249 |
|
5250 |
|
5251 |
|
5252 |
|
5253 |
|
5254 |
|
5255 |
|
5256 |
|
5257 |
|
5258 |
|
5259 |
|
5260 |
|
5261 |
|
5262 |
|
5263 |
|
5264 |
|
5265 |
|
5266 |
|
5267 |
|
5268 |
|
5269 | var version = "5.5.1";
|
5270 |
|
5271 |
|
5272 |
|
5273 |
|
5274 |
|
5275 |
|
5276 |
|
5277 |
|
5278 | function parse(input, options) {
|
5279 | return new Parser(options, input).parse()
|
5280 | }
|
5281 |
|
5282 |
|
5283 |
|
5284 |
|
5285 |
|
5286 | function parseExpressionAt(input, pos, options) {
|
5287 | var p = new Parser(options, input, pos);
|
5288 | p.nextToken();
|
5289 | return p.parseExpression()
|
5290 | }
|
5291 |
|
5292 |
|
5293 |
|
5294 |
|
5295 | function tokenizer(input, options) {
|
5296 | return new Parser(options, input)
|
5297 | }
|
5298 |
|
5299 |
|
5300 |
|
5301 |
|
5302 |
|
5303 | function addLooseExports(parse, Parser$$1, plugins$$1) {
|
5304 | exports.parse_dammit = parse;
|
5305 | exports.LooseParser = Parser$$1;
|
5306 | exports.pluginsLoose = plugins$$1;
|
5307 | }
|
5308 |
|
5309 | exports.version = version;
|
5310 | exports.parse = parse;
|
5311 | exports.parseExpressionAt = parseExpressionAt;
|
5312 | exports.tokenizer = tokenizer;
|
5313 | exports.addLooseExports = addLooseExports;
|
5314 | exports.Parser = Parser;
|
5315 | exports.plugins = plugins;
|
5316 | exports.defaultOptions = defaultOptions;
|
5317 | exports.Position = Position;
|
5318 | exports.SourceLocation = SourceLocation;
|
5319 | exports.getLineInfo = getLineInfo;
|
5320 | exports.Node = Node;
|
5321 | exports.TokenType = TokenType;
|
5322 | exports.tokTypes = types;
|
5323 | exports.keywordTypes = keywords$1;
|
5324 | exports.TokContext = TokContext;
|
5325 | exports.tokContexts = types$1;
|
5326 | exports.isIdentifierChar = isIdentifierChar;
|
5327 | exports.isIdentifierStart = isIdentifierStart;
|
5328 | exports.Token = Token;
|
5329 | exports.isNewLine = isNewLine;
|
5330 | exports.lineBreak = lineBreak;
|
5331 | exports.lineBreakG = lineBreakG;
|
5332 | exports.nonASCIIwhitespace = nonASCIIwhitespace;
|
5333 |
|
5334 | Object.defineProperty(exports, '__esModule', { value: true });
|
5335 |
|
5336 | })));
|