1400 lines
44 KiB
JavaScript
1400 lines
44 KiB
JavaScript
|
// This is a generated file. Do not edit.
|
||
|
|
var Space_Separator = /[\u1680\u2000-\u200A\u202F\u205F\u3000]/;
|
||
|
|
var ID_Start = /[\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-\u1884\u1887-\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\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\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\u2E2F\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303C\u3041-\u3096\u309D-\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\uF
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||
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var ID_Continue = /[\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0300-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u0483-\u0487\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u05D0-\u05EA\u05F0-\u05F2\u0610-\u061A\u0620-\u0669\u066E-\u06D3\u06D5-\u06DC\u06DF-\u06E8\u06EA-\u06FC\u06FF\u0710-\u074A\u074D-\u07B1\u07C0-\u07F5\u07FA\u0800-\u082D\u0840-\u085B\u0860-\u086A\u08A0-\u08B4\u08B6-\u08BD\u08D4-\u08E1\u08E3-\u0963\u0966-\u096F\u0971-\u0983\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BC-\u09C4\u09C7\u09C8\u09CB-\u09CE\u09D7\u09DC\u09DD\u09DF-\u09E3\u09E6-\u09F1\u09FC\u0A01-\u0A03\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A59-\u0A5C\u0A5E\u0A66-\u0A75\u0A81-\u0A83\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABC-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AD0\u0AE0-\u0AE3\u0AE6-\u0AEF\u0AF9-\u0AFF\u0B01-\u0B03\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3C-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B56\u0B57\u0B5C\u0B5D\u0B5F-\u0B63\u0B66-\u0B6F\u0B71\u0B82\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD0\u0BD7\u0BE6-\u0BEF\u0C00-\u0C03\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C58-\u0C5A\u0C60-\u0C63\u0C66-\u0C6F\u0C80-\u0C83\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBC-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CDE\u0CE0-\u0CE3\u0CE6-\u0CEF\u0CF1\u0CF2\u0D00-\u0D03\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D44\u0D46-\u0D48\u0D4A-\u0D4E\u0D54-\u0D57\u0D5F-\u0D63\u0D66-\u0D6F\u0D7A-\u0D7F\u0D82\u0D83\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DE6-\u0DEF\u0DF2\u0DF3\u0E01-\u0E3A\u0E40-\u0E4E\u0E50-\u0E59\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB9\u0EBB-\u0EBD\u0EC0-\u0EC4\u0EC6\u0EC8-\u0ECD\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00\u0F18\u0F19\u0F20-\u0F29\u0F35\u0F37\u0F39\u0F3E-\u0F47\u0F49-\u0F6C\u0F71-\u0F84\u0F86-\u0F97\u0F99-\u0FBC\u0FC6\u1000-\u1049\u1050-\u109D\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\u135D-\u135F\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1714\u1720-\u1734\u1740-\u1753\u1760-\u176C\u176E-\u1770\u1772\u1773\u1780-\u17D3\u17D7\u17DC\u17DD\u17E0-\u17E9\u180B-\u180D\u1810-\u1819\u1820-\u1877\u1880-\u18AA\u18B0-\u18F5\u1900-\u191E\u1920-\u192B\u1930-\u193B\u1946-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19D9\u1A00-\u1A1B\u1A20-\u1A5E\u1A60-\u1A7C\u1A7F-\u1A89\u1A90-\u1A99\u1AA7\u1AB0-\u1ABD\u1B00-\u1B4B\u1B50-\u1B59\u1B6B-\u1B73\u1B80-\u1BF3\u1C00-\u1C37\u1C40-\u1C49\u1C4D-\u1C7D\u1C80-\u1C88\u1CD0-\u1CD2\u1CD4-\u1CF9\u1D00-\u1DF9\u1DFB-\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\u203F\u2040\u2054\u2071\u207F\u2090-\u209C\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D7F-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2DE0-\u2DFF\u2E2F\u3005-\u3007\u3021-\u302F\u3031-\u3035\u3038-\u303C\u3041-\u3096\u3099\u309A\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u3
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var unicode = {
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Space_Separator: Space_Separator,
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ID_Start: ID_Start,
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ID_Continue: ID_Continue
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};
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var util = {
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isSpaceSeparator (c) {
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return typeof c === 'string' && unicode.Space_Separator.test(c)
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},
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isIdStartChar (c) {
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return typeof c === 'string' && (
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(c >= 'a' && c <= 'z') ||
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(c >= 'A' && c <= 'Z') ||
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(c === '$') || (c === '_') ||
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unicode.ID_Start.test(c)
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)
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},
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||
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isIdContinueChar (c) {
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return typeof c === 'string' && (
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(c >= 'a' && c <= 'z') ||
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(c >= 'A' && c <= 'Z') ||
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(c >= '0' && c <= '9') ||
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(c === '$') || (c === '_') ||
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(c === '\u200C') || (c === '\u200D') ||
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unicode.ID_Continue.test(c)
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)
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},
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isDigit (c) {
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return typeof c === 'string' && /[0-9]/.test(c)
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},
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isHexDigit (c) {
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return typeof c === 'string' && /[0-9A-Fa-f]/.test(c)
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},
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};
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||
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let source;
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let parseState;
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let stack;
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let pos;
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let line;
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let column;
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let token;
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let key;
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let root;
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var parse = function parse (text, reviver) {
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source = String(text);
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parseState = 'start';
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stack = [];
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pos = 0;
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line = 1;
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column = 0;
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token = undefined;
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key = undefined;
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root = undefined;
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do {
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token = lex();
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// This code is unreachable.
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// if (!parseStates[parseState]) {
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// throw invalidParseState()
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// }
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||
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parseStates[parseState]();
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} while (token.type !== 'eof')
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if (typeof reviver === 'function') {
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return internalize({'': root}, '', reviver)
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}
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||
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return root
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};
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function internalize (holder, name, reviver) {
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const value = holder[name];
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if (value != null && typeof value === 'object') {
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for (const key in value) {
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const replacement = internalize(value, key, reviver);
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if (replacement === undefined) {
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delete value[key];
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} else {
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value[key] = replacement;
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}
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}
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}
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return reviver.call(holder, name, value)
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}
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||
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let lexState;
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let buffer;
|
||
|
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let doubleQuote;
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let sign;
|
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let c;
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||
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function lex () {
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lexState = 'default';
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||
|
|
buffer = '';
|
||
|
|
doubleQuote = false;
|
||
|
|
sign = 1;
|
||
|
|
|
||
|
|
for (;;) {
|
||
|
|
c = peek();
|
||
|
|
|
||
|
|
// This code is unreachable.
|
||
|
|
// if (!lexStates[lexState]) {
|
||
|
|
// throw invalidLexState(lexState)
|
||
|
|
// }
|
||
|
|
|
||
|
|
const token = lexStates[lexState]();
|
||
|
|
if (token) {
|
||
|
|
return token
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function peek () {
|
||
|
|
if (source[pos]) {
|
||
|
|
return String.fromCodePoint(source.codePointAt(pos))
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function read () {
|
||
|
|
const c = peek();
|
||
|
|
|
||
|
|
if (c === '\n') {
|
||
|
|
line++;
|
||
|
|
column = 0;
|
||
|
|
} else if (c) {
|
||
|
|
column += c.length;
|
||
|
|
} else {
|
||
|
|
column++;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (c) {
|
||
|
|
pos += c.length;
|
||
|
|
}
|
||
|
|
|
||
|
|
return c
|
||
|
|
}
|
||
|
|
|
||
|
|
const lexStates = {
|
||
|
|
default () {
|
||
|
|
switch (c) {
|
||
|
|
case '\t':
|
||
|
|
case '\v':
|
||
|
|
case '\f':
|
||
|
|
case ' ':
|
||
|
|
case '\u00A0':
|
||
|
|
case '\uFEFF':
|
||
|
|
case '\n':
|
||
|
|
case '\r':
|
||
|
|
case '\u2028':
|
||
|
|
case '\u2029':
|
||
|
|
read();
|
||
|
|
return
|
||
|
|
|
||
|
|
case '/':
|
||
|
|
read();
|
||
|
|
lexState = 'comment';
|
||
|
|
return
|
||
|
|
|
||
|
|
case undefined:
|
||
|
|
read();
|
||
|
|
return newToken('eof')
|
||
|
|
}
|
||
|
|
|
||
|
|
if (util.isSpaceSeparator(c)) {
|
||
|
|
read();
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
// This code is unreachable.
|
||
|
|
// if (!lexStates[parseState]) {
|
||
|
|
// throw invalidLexState(parseState)
|
||
|
|
// }
|
||
|
|
|
||
|
|
return lexStates[parseState]()
|
||
|
|
},
|
||
|
|
|
||
|
|
comment () {
|
||
|
|
switch (c) {
|
||
|
|
case '*':
|
||
|
|
read();
|
||
|
|
lexState = 'multiLineComment';
|
||
|
|
return
|
||
|
|
|
||
|
|
case '/':
|
||
|
|
read();
|
||
|
|
lexState = 'singleLineComment';
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
throw invalidChar(read())
|
||
|
|
},
|
||
|
|
|
||
|
|
multiLineComment () {
|
||
|
|
switch (c) {
|
||
|
|
case '*':
|
||
|
|
read();
|
||
|
|
lexState = 'multiLineCommentAsterisk';
|
||
|
|
return
|
||
|
|
|
||
|
|
case undefined:
|
||
|
|
throw invalidChar(read())
|
||
|
|
}
|
||
|
|
|
||
|
|
read();
|
||
|
|
},
|
||
|
|
|
||
|
|
multiLineCommentAsterisk () {
|
||
|
|
switch (c) {
|
||
|
|
case '*':
|
||
|
|
read();
|
||
|
|
return
|
||
|
|
|
||
|
|
case '/':
|
||
|
|
read();
|
||
|
|
lexState = 'default';
|
||
|
|
return
|
||
|
|
|
||
|
|
case undefined:
|
||
|
|
throw invalidChar(read())
|
||
|
|
}
|
||
|
|
|
||
|
|
read();
|
||
|
|
lexState = 'multiLineComment';
|
||
|
|
},
|
||
|
|
|
||
|
|
singleLineComment () {
|
||
|
|
switch (c) {
|
||
|
|
case '\n':
|
||
|
|
case '\r':
|
||
|
|
case '\u2028':
|
||
|
|
case '\u2029':
|
||
|
|
read();
|
||
|
|
lexState = 'default';
|
||
|
|
return
|
||
|
|
|
||
|
|
case undefined:
|
||
|
|
read();
|
||
|
|
return newToken('eof')
|
||
|
|
}
|
||
|
|
|
||
|
|
read();
|
||
|
|
},
|
||
|
|
|
||
|
|
value () {
|
||
|
|
switch (c) {
|
||
|
|
case '{':
|
||
|
|
case '[':
|
||
|
|
return newToken('punctuator', read())
|
||
|
|
|
||
|
|
case 'n':
|
||
|
|
read();
|
||
|
|
literal('ull');
|
||
|
|
return newToken('null', null)
|
||
|
|
|
||
|
|
case 't':
|
||
|
|
read();
|
||
|
|
literal('rue');
|
||
|
|
return newToken('boolean', true)
|
||
|
|
|
||
|
|
case 'f':
|
||
|
|
read();
|
||
|
|
literal('alse');
|
||
|
|
return newToken('boolean', false)
|
||
|
|
|
||
|
|
case '-':
|
||
|
|
case '+':
|
||
|
|
if (read() === '-') {
|
||
|
|
sign = -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
lexState = 'sign';
|
||
|
|
return
|
||
|
|
|
||
|
|
case '.':
|
||
|
|
buffer = read();
|
||
|
|
lexState = 'decimalPointLeading';
|
||
|
|
return
|
||
|
|
|
||
|
|
case '0':
|
||
|
|
buffer = read();
|
||
|
|
lexState = 'zero';
|
||
|
|
return
|
||
|
|
|
||
|
|
case '1':
|
||
|
|
case '2':
|
||
|
|
case '3':
|
||
|
|
case '4':
|
||
|
|
case '5':
|
||
|
|
case '6':
|
||
|
|
case '7':
|
||
|
|
case '8':
|
||
|
|
case '9':
|
||
|
|
buffer = read();
|
||
|
|
lexState = 'decimalInteger';
|
||
|
|
return
|
||
|
|
|
||
|
|
case 'I':
|
||
|
|
read();
|
||
|
|
literal('nfinity');
|
||
|
|
return newToken('numeric', Infinity)
|
||
|
|
|
||
|
|
case 'N':
|
||
|
|
read();
|
||
|
|
literal('aN');
|
||
|
|
return newToken('numeric', NaN)
|
||
|
|
|
||
|
|
case '"':
|
||
|
|
case "'":
|
||
|
|
doubleQuote = (read() === '"');
|
||
|
|
buffer = '';
|
||
|
|
lexState = 'string';
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
throw invalidChar(read())
|
||
|
|
},
|
||
|
|
|
||
|
|
identifierNameStartEscape () {
|
||
|
|
if (c !== 'u') {
|
||
|
|
throw invalidChar(read())
|
||
|
|
}
|
||
|
|
|
||
|
|
read();
|
||
|
|
const u = unicodeEscape();
|
||
|
|
switch (u) {
|
||
|
|
case '$':
|
||
|
|
case '_':
|
||
|
|
break
|
||
|
|
|
||
|
|
default:
|
||
|
|
if (!util.isIdStartChar(u)) {
|
||
|
|
throw invalidIdentifier()
|
||
|
|
}
|
||
|
|
|
||
|
|
break
|
||
|
|
}
|
||
|
|
|
||
|
|
buffer += u;
|
||
|
|
lexState = 'identifierName';
|
||
|
|
},
|
||
|
|
|
||
|
|
identifierName () {
|
||
|
|
switch (c) {
|
||
|
|
case '$':
|
||
|
|
case '_':
|
||
|
|
case '\u200C':
|
||
|
|
case '\u200D':
|
||
|
|
buffer += read();
|
||
|
|
return
|
||
|
|
|
||
|
|
case '\\':
|
||
|
|
read();
|
||
|
|
lexState = 'identifierNameEscape';
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
if (util.isIdContinueChar(c)) {
|
||
|
|
buffer += read();
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
return newToken('identifier', buffer)
|
||
|
|
},
|
||
|
|
|
||
|
|
identifierNameEscape () {
|
||
|
|
if (c !== 'u') {
|
||
|
|
throw invalidChar(read())
|
||
|
|
}
|
||
|
|
|
||
|
|
read();
|
||
|
|
const u = unicodeEscape();
|
||
|
|
switch (u) {
|
||
|
|
case '$':
|
||
|
|
case '_':
|
||
|
|
case '\u200C':
|
||
|
|
case '\u200D':
|
||
|
|
break
|
||
|
|
|
||
|
|
default:
|
||
|
|
if (!util.isIdContinueChar(u)) {
|
||
|
|
throw invalidIdentifier()
|
||
|
|
}
|
||
|
|
|
||
|
|
break
|
||
|
|
}
|
||
|
|
|
||
|
|
buffer += u;
|
||
|
|
lexState = 'identifierName';
|
||
|
|
},
|
||
|
|
|
||
|
|
sign () {
|
||
|
|
switch (c) {
|
||
|
|
case '.':
|
||
|
|
buffer = read();
|
||
|
|
lexState = 'decimalPointLeading';
|
||
|
|
return
|
||
|
|
|
||
|
|
case '0':
|
||
|
|
buffer = read();
|
||
|
|
lexState = 'zero';
|
||
|
|
return
|
||
|
|
|
||
|
|
case '1':
|
||
|
|
case '2':
|
||
|
|
case '3':
|
||
|
|
case '4':
|
||
|
|
case '5':
|
||
|
|
case '6':
|
||
|
|
case '7':
|
||
|
|
case '8':
|
||
|
|
case '9':
|
||
|
|
buffer = read();
|
||
|
|
lexState = 'decimalInteger';
|
||
|
|
return
|
||
|
|
|
||
|
|
case 'I':
|
||
|
|
read();
|
||
|
|
literal('nfinity');
|
||
|
|
return newToken('numeric', sign * Infinity)
|
||
|
|
|
||
|
|
case 'N':
|
||
|
|
read();
|
||
|
|
literal('aN');
|
||
|
|
return newToken('numeric', NaN)
|
||
|
|
}
|
||
|
|
|
||
|
|
throw invalidChar(read())
|
||
|
|
},
|
||
|
|
|
||
|
|
zero () {
|
||
|
|
switch (c) {
|
||
|
|
case '.':
|
||
|
|
buffer += read();
|
||
|
|
lexState = 'decimalPoint';
|
||
|
|
return
|
||
|
|
|
||
|
|
case 'e':
|
||
|
|
case 'E':
|
||
|
|
buffer += read();
|
||
|
|
lexState = 'decimalExponent';
|
||
|
|
return
|
||
|
|
|
||
|
|
case 'x':
|
||
|
|
case 'X':
|
||
|
|
buffer += read();
|
||
|
|
lexState = 'hexadecimal';
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
return newToken('numeric', sign * 0)
|
||
|
|
},
|
||
|
|
|
||
|
|
decimalInteger () {
|
||
|
|
switch (c) {
|
||
|
|
case '.':
|
||
|
|
buffer += read();
|
||
|
|
lexState = 'decimalPoint';
|
||
|
|
return
|
||
|
|
|
||
|
|
case 'e':
|
||
|
|
case 'E':
|
||
|
|
buffer += read();
|
||
|
|
lexState = 'decimalExponent';
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
if (util.isDigit(c)) {
|
||
|
|
buffer += read();
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
return newToken('numeric', sign * Number(buffer))
|
||
|
|
},
|
||
|
|
|
||
|
|
decimalPointLeading () {
|
||
|
|
if (util.isDigit(c)) {
|
||
|
|
buffer += read();
|
||
|
|
lexState = 'decimalFraction';
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
throw invalidChar(read())
|
||
|
|
},
|
||
|
|
|
||
|
|
decimalPoint () {
|
||
|
|
switch (c) {
|
||
|
|
case 'e':
|
||
|
|
case 'E':
|
||
|
|
buffer += read();
|
||
|
|
lexState = 'decimalExponent';
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
if (util.isDigit(c)) {
|
||
|
|
buffer += read();
|
||
|
|
lexState = 'decimalFraction';
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
return newToken('numeric', sign * Number(buffer))
|
||
|
|
},
|
||
|
|
|
||
|
|
decimalFraction () {
|
||
|
|
switch (c) {
|
||
|
|
case 'e':
|
||
|
|
case 'E':
|
||
|
|
buffer += read();
|
||
|
|
lexState = 'decimalExponent';
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
if (util.isDigit(c)) {
|
||
|
|
buffer += read();
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
return newToken('numeric', sign * Number(buffer))
|
||
|
|
},
|
||
|
|
|
||
|
|
decimalExponent () {
|
||
|
|
switch (c) {
|
||
|
|
case '+':
|
||
|
|
case '-':
|
||
|
|
buffer += read();
|
||
|
|
lexState = 'decimalExponentSign';
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
if (util.isDigit(c)) {
|
||
|
|
buffer += read();
|
||
|
|
lexState = 'decimalExponentInteger';
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
throw invalidChar(read())
|
||
|
|
},
|
||
|
|
|
||
|
|
decimalExponentSign () {
|
||
|
|
if (util.isDigit(c)) {
|
||
|
|
buffer += read();
|
||
|
|
lexState = 'decimalExponentInteger';
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
throw invalidChar(read())
|
||
|
|
},
|
||
|
|
|
||
|
|
decimalExponentInteger () {
|
||
|
|
if (util.isDigit(c)) {
|
||
|
|
buffer += read();
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
return newToken('numeric', sign * Number(buffer))
|
||
|
|
},
|
||
|
|
|
||
|
|
hexadecimal () {
|
||
|
|
if (util.isHexDigit(c)) {
|
||
|
|
buffer += read();
|
||
|
|
lexState = 'hexadecimalInteger';
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
throw invalidChar(read())
|
||
|
|
},
|
||
|
|
|
||
|
|
hexadecimalInteger () {
|
||
|
|
if (util.isHexDigit(c)) {
|
||
|
|
buffer += read();
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
return newToken('numeric', sign * Number(buffer))
|
||
|
|
},
|
||
|
|
|
||
|
|
string () {
|
||
|
|
switch (c) {
|
||
|
|
case '\\':
|
||
|
|
read();
|
||
|
|
buffer += escape();
|
||
|
|
return
|
||
|
|
|
||
|
|
case '"':
|
||
|
|
if (doubleQuote) {
|
||
|
|
read();
|
||
|
|
return newToken('string', buffer)
|
||
|
|
}
|
||
|
|
|
||
|
|
buffer += read();
|
||
|
|
return
|
||
|
|
|
||
|
|
case "'":
|
||
|
|
if (!doubleQuote) {
|
||
|
|
read();
|
||
|
|
return newToken('string', buffer)
|
||
|
|
}
|
||
|
|
|
||
|
|
buffer += read();
|
||
|
|
return
|
||
|
|
|
||
|
|
case '\n':
|
||
|
|
case '\r':
|
||
|
|
throw invalidChar(read())
|
||
|
|
|
||
|
|
case '\u2028':
|
||
|
|
case '\u2029':
|
||
|
|
separatorChar(c);
|
||
|
|
break
|
||
|
|
|
||
|
|
case undefined:
|
||
|
|
throw invalidChar(read())
|
||
|
|
}
|
||
|
|
|
||
|
|
buffer += read();
|
||
|
|
},
|
||
|
|
|
||
|
|
start () {
|
||
|
|
switch (c) {
|
||
|
|
case '{':
|
||
|
|
case '[':
|
||
|
|
return newToken('punctuator', read())
|
||
|
|
|
||
|
|
// This code is unreachable since the default lexState handles eof.
|
||
|
|
// case undefined:
|
||
|
|
// return newToken('eof')
|
||
|
|
}
|
||
|
|
|
||
|
|
lexState = 'value';
|
||
|
|
},
|
||
|
|
|
||
|
|
beforePropertyName () {
|
||
|
|
switch (c) {
|
||
|
|
case '$':
|
||
|
|
case '_':
|
||
|
|
buffer = read();
|
||
|
|
lexState = 'identifierName';
|
||
|
|
return
|
||
|
|
|
||
|
|
case '\\':
|
||
|
|
read();
|
||
|
|
lexState = 'identifierNameStartEscape';
|
||
|
|
return
|
||
|
|
|
||
|
|
case '}':
|
||
|
|
return newToken('punctuator', read())
|
||
|
|
|
||
|
|
case '"':
|
||
|
|
case "'":
|
||
|
|
doubleQuote = (read() === '"');
|
||
|
|
lexState = 'string';
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
if (util.isIdStartChar(c)) {
|
||
|
|
buffer += read();
|
||
|
|
lexState = 'identifierName';
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
throw invalidChar(read())
|
||
|
|
},
|
||
|
|
|
||
|
|
afterPropertyName () {
|
||
|
|
if (c === ':') {
|
||
|
|
return newToken('punctuator', read())
|
||
|
|
}
|
||
|
|
|
||
|
|
throw invalidChar(read())
|
||
|
|
},
|
||
|
|
|
||
|
|
beforePropertyValue () {
|
||
|
|
lexState = 'value';
|
||
|
|
},
|
||
|
|
|
||
|
|
afterPropertyValue () {
|
||
|
|
switch (c) {
|
||
|
|
case ',':
|
||
|
|
case '}':
|
||
|
|
return newToken('punctuator', read())
|
||
|
|
}
|
||
|
|
|
||
|
|
throw invalidChar(read())
|
||
|
|
},
|
||
|
|
|
||
|
|
beforeArrayValue () {
|
||
|
|
if (c === ']') {
|
||
|
|
return newToken('punctuator', read())
|
||
|
|
}
|
||
|
|
|
||
|
|
lexState = 'value';
|
||
|
|
},
|
||
|
|
|
||
|
|
afterArrayValue () {
|
||
|
|
switch (c) {
|
||
|
|
case ',':
|
||
|
|
case ']':
|
||
|
|
return newToken('punctuator', read())
|
||
|
|
}
|
||
|
|
|
||
|
|
throw invalidChar(read())
|
||
|
|
},
|
||
|
|
|
||
|
|
end () {
|
||
|
|
// This code is unreachable since it's handled by the default lexState.
|
||
|
|
// if (c === undefined) {
|
||
|
|
// read()
|
||
|
|
// return newToken('eof')
|
||
|
|
// }
|
||
|
|
|
||
|
|
throw invalidChar(read())
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
function newToken (type, value) {
|
||
|
|
return {
|
||
|
|
type,
|
||
|
|
value,
|
||
|
|
line,
|
||
|
|
column,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function literal (s) {
|
||
|
|
for (const c of s) {
|
||
|
|
const p = peek();
|
||
|
|
|
||
|
|
if (p !== c) {
|
||
|
|
throw invalidChar(read())
|
||
|
|
}
|
||
|
|
|
||
|
|
read();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function escape () {
|
||
|
|
const c = peek();
|
||
|
|
switch (c) {
|
||
|
|
case 'b':
|
||
|
|
read();
|
||
|
|
return '\b'
|
||
|
|
|
||
|
|
case 'f':
|
||
|
|
read();
|
||
|
|
return '\f'
|
||
|
|
|
||
|
|
case 'n':
|
||
|
|
read();
|
||
|
|
return '\n'
|
||
|
|
|
||
|
|
case 'r':
|
||
|
|
read();
|
||
|
|
return '\r'
|
||
|
|
|
||
|
|
case 't':
|
||
|
|
read();
|
||
|
|
return '\t'
|
||
|
|
|
||
|
|
case 'v':
|
||
|
|
read();
|
||
|
|
return '\v'
|
||
|
|
|
||
|
|
case '0':
|
||
|
|
read();
|
||
|
|
if (util.isDigit(peek())) {
|
||
|
|
throw invalidChar(read())
|
||
|
|
}
|
||
|
|
|
||
|
|
return '\0'
|
||
|
|
|
||
|
|
case 'x':
|
||
|
|
read();
|
||
|
|
return hexEscape()
|
||
|
|
|
||
|
|
case 'u':
|
||
|
|
read();
|
||
|
|
return unicodeEscape()
|
||
|
|
|
||
|
|
case '\n':
|
||
|
|
case '\u2028':
|
||
|
|
case '\u2029':
|
||
|
|
read();
|
||
|
|
return ''
|
||
|
|
|
||
|
|
case '\r':
|
||
|
|
read();
|
||
|
|
if (peek() === '\n') {
|
||
|
|
read();
|
||
|
|
}
|
||
|
|
|
||
|
|
return ''
|
||
|
|
|
||
|
|
case '1':
|
||
|
|
case '2':
|
||
|
|
case '3':
|
||
|
|
case '4':
|
||
|
|
case '5':
|
||
|
|
case '6':
|
||
|
|
case '7':
|
||
|
|
case '8':
|
||
|
|
case '9':
|
||
|
|
throw invalidChar(read())
|
||
|
|
|
||
|
|
case undefined:
|
||
|
|
throw invalidChar(read())
|
||
|
|
}
|
||
|
|
|
||
|
|
return read()
|
||
|
|
}
|
||
|
|
|
||
|
|
function hexEscape () {
|
||
|
|
let buffer = '';
|
||
|
|
let c = peek();
|
||
|
|
|
||
|
|
if (!util.isHexDigit(c)) {
|
||
|
|
throw invalidChar(read())
|
||
|
|
}
|
||
|
|
|
||
|
|
buffer += read();
|
||
|
|
|
||
|
|
c = peek();
|
||
|
|
if (!util.isHexDigit(c)) {
|
||
|
|
throw invalidChar(read())
|
||
|
|
}
|
||
|
|
|
||
|
|
buffer += read();
|
||
|
|
|
||
|
|
return String.fromCodePoint(parseInt(buffer, 16))
|
||
|
|
}
|
||
|
|
|
||
|
|
function unicodeEscape () {
|
||
|
|
let buffer = '';
|
||
|
|
let count = 4;
|
||
|
|
|
||
|
|
while (count-- > 0) {
|
||
|
|
const c = peek();
|
||
|
|
if (!util.isHexDigit(c)) {
|
||
|
|
throw invalidChar(read())
|
||
|
|
}
|
||
|
|
|
||
|
|
buffer += read();
|
||
|
|
}
|
||
|
|
|
||
|
|
return String.fromCodePoint(parseInt(buffer, 16))
|
||
|
|
}
|
||
|
|
|
||
|
|
const parseStates = {
|
||
|
|
start () {
|
||
|
|
if (token.type === 'eof') {
|
||
|
|
throw invalidEOF()
|
||
|
|
}
|
||
|
|
|
||
|
|
push();
|
||
|
|
},
|
||
|
|
|
||
|
|
beforePropertyName () {
|
||
|
|
switch (token.type) {
|
||
|
|
case 'identifier':
|
||
|
|
case 'string':
|
||
|
|
key = token.value;
|
||
|
|
parseState = 'afterPropertyName';
|
||
|
|
return
|
||
|
|
|
||
|
|
case 'punctuator':
|
||
|
|
// This code is unreachable since it's handled by the lexState.
|
||
|
|
// if (token.value !== '}') {
|
||
|
|
// throw invalidToken()
|
||
|
|
// }
|
||
|
|
|
||
|
|
pop();
|
||
|
|
return
|
||
|
|
|
||
|
|
case 'eof':
|
||
|
|
throw invalidEOF()
|
||
|
|
}
|
||
|
|
|
||
|
|
// This code is unreachable since it's handled by the lexState.
|
||
|
|
// throw invalidToken()
|
||
|
|
},
|
||
|
|
|
||
|
|
afterPropertyName () {
|
||
|
|
// This code is unreachable since it's handled by the lexState.
|
||
|
|
// if (token.type !== 'punctuator' || token.value !== ':') {
|
||
|
|
// throw invalidToken()
|
||
|
|
// }
|
||
|
|
|
||
|
|
if (token.type === 'eof') {
|
||
|
|
throw invalidEOF()
|
||
|
|
}
|
||
|
|
|
||
|
|
parseState = 'beforePropertyValue';
|
||
|
|
},
|
||
|
|
|
||
|
|
beforePropertyValue () {
|
||
|
|
if (token.type === 'eof') {
|
||
|
|
throw invalidEOF()
|
||
|
|
}
|
||
|
|
|
||
|
|
push();
|
||
|
|
},
|
||
|
|
|
||
|
|
beforeArrayValue () {
|
||
|
|
if (token.type === 'eof') {
|
||
|
|
throw invalidEOF()
|
||
|
|
}
|
||
|
|
|
||
|
|
if (token.type === 'punctuator' && token.value === ']') {
|
||
|
|
pop();
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
push();
|
||
|
|
},
|
||
|
|
|
||
|
|
afterPropertyValue () {
|
||
|
|
// This code is unreachable since it's handled by the lexState.
|
||
|
|
// if (token.type !== 'punctuator') {
|
||
|
|
// throw invalidToken()
|
||
|
|
// }
|
||
|
|
|
||
|
|
if (token.type === 'eof') {
|
||
|
|
throw invalidEOF()
|
||
|
|
}
|
||
|
|
|
||
|
|
switch (token.value) {
|
||
|
|
case ',':
|
||
|
|
parseState = 'beforePropertyName';
|
||
|
|
return
|
||
|
|
|
||
|
|
case '}':
|
||
|
|
pop();
|
||
|
|
}
|
||
|
|
|
||
|
|
// This code is unreachable since it's handled by the lexState.
|
||
|
|
// throw invalidToken()
|
||
|
|
},
|
||
|
|
|
||
|
|
afterArrayValue () {
|
||
|
|
// This code is unreachable since it's handled by the lexState.
|
||
|
|
// if (token.type !== 'punctuator') {
|
||
|
|
// throw invalidToken()
|
||
|
|
// }
|
||
|
|
|
||
|
|
if (token.type === 'eof') {
|
||
|
|
throw invalidEOF()
|
||
|
|
}
|
||
|
|
|
||
|
|
switch (token.value) {
|
||
|
|
case ',':
|
||
|
|
parseState = 'beforeArrayValue';
|
||
|
|
return
|
||
|
|
|
||
|
|
case ']':
|
||
|
|
pop();
|
||
|
|
}
|
||
|
|
|
||
|
|
// This code is unreachable since it's handled by the lexState.
|
||
|
|
// throw invalidToken()
|
||
|
|
},
|
||
|
|
|
||
|
|
end () {
|
||
|
|
// This code is unreachable since it's handled by the lexState.
|
||
|
|
// if (token.type !== 'eof') {
|
||
|
|
// throw invalidToken()
|
||
|
|
// }
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
function push () {
|
||
|
|
let value;
|
||
|
|
|
||
|
|
switch (token.type) {
|
||
|
|
case 'punctuator':
|
||
|
|
switch (token.value) {
|
||
|
|
case '{':
|
||
|
|
value = {};
|
||
|
|
break
|
||
|
|
|
||
|
|
case '[':
|
||
|
|
value = [];
|
||
|
|
break
|
||
|
|
}
|
||
|
|
|
||
|
|
break
|
||
|
|
|
||
|
|
case 'null':
|
||
|
|
case 'boolean':
|
||
|
|
case 'numeric':
|
||
|
|
case 'string':
|
||
|
|
value = token.value;
|
||
|
|
break
|
||
|
|
|
||
|
|
// This code is unreachable.
|
||
|
|
// default:
|
||
|
|
// throw invalidToken()
|
||
|
|
}
|
||
|
|
|
||
|
|
if (root === undefined) {
|
||
|
|
root = value;
|
||
|
|
} else {
|
||
|
|
const parent = stack[stack.length - 1];
|
||
|
|
if (Array.isArray(parent)) {
|
||
|
|
parent.push(value);
|
||
|
|
} else {
|
||
|
|
parent[key] = value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (value !== null && typeof value === 'object') {
|
||
|
|
stack.push(value);
|
||
|
|
|
||
|
|
if (Array.isArray(value)) {
|
||
|
|
parseState = 'beforeArrayValue';
|
||
|
|
} else {
|
||
|
|
parseState = 'beforePropertyName';
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
const current = stack[stack.length - 1];
|
||
|
|
if (current == null) {
|
||
|
|
parseState = 'end';
|
||
|
|
} else if (Array.isArray(current)) {
|
||
|
|
parseState = 'afterArrayValue';
|
||
|
|
} else {
|
||
|
|
parseState = 'afterPropertyValue';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function pop () {
|
||
|
|
stack.pop();
|
||
|
|
|
||
|
|
const current = stack[stack.length - 1];
|
||
|
|
if (current == null) {
|
||
|
|
parseState = 'end';
|
||
|
|
} else if (Array.isArray(current)) {
|
||
|
|
parseState = 'afterArrayValue';
|
||
|
|
} else {
|
||
|
|
parseState = 'afterPropertyValue';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// This code is unreachable.
|
||
|
|
// function invalidParseState () {
|
||
|
|
// return new Error(`JSON5: invalid parse state '${parseState}'`)
|
||
|
|
// }
|
||
|
|
|
||
|
|
// This code is unreachable.
|
||
|
|
// function invalidLexState (state) {
|
||
|
|
// return new Error(`JSON5: invalid lex state '${state}'`)
|
||
|
|
// }
|
||
|
|
|
||
|
|
function invalidChar (c) {
|
||
|
|
if (c === undefined) {
|
||
|
|
return syntaxError(`JSON5: invalid end of input at ${line}:${column}`)
|
||
|
|
}
|
||
|
|
|
||
|
|
return syntaxError(`JSON5: invalid character '${formatChar(c)}' at ${line}:${column}`)
|
||
|
|
}
|
||
|
|
|
||
|
|
function invalidEOF () {
|
||
|
|
return syntaxError(`JSON5: invalid end of input at ${line}:${column}`)
|
||
|
|
}
|
||
|
|
|
||
|
|
// This code is unreachable.
|
||
|
|
// function invalidToken () {
|
||
|
|
// if (token.type === 'eof') {
|
||
|
|
// return syntaxError(`JSON5: invalid end of input at ${line}:${column}`)
|
||
|
|
// }
|
||
|
|
|
||
|
|
// const c = String.fromCodePoint(token.value.codePointAt(0))
|
||
|
|
// return syntaxError(`JSON5: invalid character '${formatChar(c)}' at ${line}:${column}`)
|
||
|
|
// }
|
||
|
|
|
||
|
|
function invalidIdentifier () {
|
||
|
|
column -= 5;
|
||
|
|
return syntaxError(`JSON5: invalid identifier character at ${line}:${column}`)
|
||
|
|
}
|
||
|
|
|
||
|
|
function separatorChar (c) {
|
||
|
|
console.warn(`JSON5: '${formatChar(c)}' in strings is not valid ECMAScript; consider escaping`);
|
||
|
|
}
|
||
|
|
|
||
|
|
function formatChar (c) {
|
||
|
|
const replacements = {
|
||
|
|
"'": "\\'",
|
||
|
|
'"': '\\"',
|
||
|
|
'\\': '\\\\',
|
||
|
|
'\b': '\\b',
|
||
|
|
'\f': '\\f',
|
||
|
|
'\n': '\\n',
|
||
|
|
'\r': '\\r',
|
||
|
|
'\t': '\\t',
|
||
|
|
'\v': '\\v',
|
||
|
|
'\0': '\\0',
|
||
|
|
'\u2028': '\\u2028',
|
||
|
|
'\u2029': '\\u2029',
|
||
|
|
};
|
||
|
|
|
||
|
|
if (replacements[c]) {
|
||
|
|
return replacements[c]
|
||
|
|
}
|
||
|
|
|
||
|
|
if (c < ' ') {
|
||
|
|
const hexString = c.charCodeAt(0).toString(16);
|
||
|
|
return '\\x' + ('00' + hexString).substring(hexString.length)
|
||
|
|
}
|
||
|
|
|
||
|
|
return c
|
||
|
|
}
|
||
|
|
|
||
|
|
function syntaxError (message) {
|
||
|
|
const err = new SyntaxError(message);
|
||
|
|
err.lineNumber = line;
|
||
|
|
err.columnNumber = column;
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
var stringify = function stringify (value, replacer, space) {
|
||
|
|
const stack = [];
|
||
|
|
let indent = '';
|
||
|
|
let propertyList;
|
||
|
|
let replacerFunc;
|
||
|
|
let gap = '';
|
||
|
|
let quote;
|
||
|
|
|
||
|
|
if (
|
||
|
|
replacer != null &&
|
||
|
|
typeof replacer === 'object' &&
|
||
|
|
!Array.isArray(replacer)
|
||
|
|
) {
|
||
|
|
space = replacer.space;
|
||
|
|
quote = replacer.quote;
|
||
|
|
replacer = replacer.replacer;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (typeof replacer === 'function') {
|
||
|
|
replacerFunc = replacer;
|
||
|
|
} else if (Array.isArray(replacer)) {
|
||
|
|
propertyList = [];
|
||
|
|
for (const v of replacer) {
|
||
|
|
let item;
|
||
|
|
|
||
|
|
if (typeof v === 'string') {
|
||
|
|
item = v;
|
||
|
|
} else if (
|
||
|
|
typeof v === 'number' ||
|
||
|
|
v instanceof String ||
|
||
|
|
v instanceof Number
|
||
|
|
) {
|
||
|
|
item = String(v);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (item !== undefined && propertyList.indexOf(item) < 0) {
|
||
|
|
propertyList.push(item);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (space instanceof Number) {
|
||
|
|
space = Number(space);
|
||
|
|
} else if (space instanceof String) {
|
||
|
|
space = String(space);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (typeof space === 'number') {
|
||
|
|
if (space > 0) {
|
||
|
|
space = Math.min(10, Math.floor(space));
|
||
|
|
gap = ' '.substr(0, space);
|
||
|
|
}
|
||
|
|
} else if (typeof space === 'string') {
|
||
|
|
gap = space.substr(0, 10);
|
||
|
|
}
|
||
|
|
|
||
|
|
return serializeProperty('', {'': value})
|
||
|
|
|
||
|
|
function serializeProperty (key, holder) {
|
||
|
|
let value = holder[key];
|
||
|
|
if (value != null) {
|
||
|
|
if (typeof value.toJSON5 === 'function') {
|
||
|
|
value = value.toJSON5(key);
|
||
|
|
} else if (typeof value.toJSON === 'function') {
|
||
|
|
value = value.toJSON(key);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (replacerFunc) {
|
||
|
|
value = replacerFunc.call(holder, key, value);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (value instanceof Number) {
|
||
|
|
value = Number(value);
|
||
|
|
} else if (value instanceof String) {
|
||
|
|
value = String(value);
|
||
|
|
} else if (value instanceof Boolean) {
|
||
|
|
value = value.valueOf();
|
||
|
|
}
|
||
|
|
|
||
|
|
switch (value) {
|
||
|
|
case null: return 'null'
|
||
|
|
case true: return 'true'
|
||
|
|
case false: return 'false'
|
||
|
|
}
|
||
|
|
|
||
|
|
if (typeof value === 'string') {
|
||
|
|
return quoteString(value, false)
|
||
|
|
}
|
||
|
|
|
||
|
|
if (typeof value === 'number') {
|
||
|
|
return String(value)
|
||
|
|
}
|
||
|
|
|
||
|
|
if (typeof value === 'object') {
|
||
|
|
return Array.isArray(value) ? serializeArray(value) : serializeObject(value)
|
||
|
|
}
|
||
|
|
|
||
|
|
return undefined
|
||
|
|
}
|
||
|
|
|
||
|
|
function quoteString (value) {
|
||
|
|
const quotes = {
|
||
|
|
"'": 0.1,
|
||
|
|
'"': 0.2,
|
||
|
|
};
|
||
|
|
|
||
|
|
const replacements = {
|
||
|
|
"'": "\\'",
|
||
|
|
'"': '\\"',
|
||
|
|
'\\': '\\\\',
|
||
|
|
'\b': '\\b',
|
||
|
|
'\f': '\\f',
|
||
|
|
'\n': '\\n',
|
||
|
|
'\r': '\\r',
|
||
|
|
'\t': '\\t',
|
||
|
|
'\v': '\\v',
|
||
|
|
'\0': '\\0',
|
||
|
|
'\u2028': '\\u2028',
|
||
|
|
'\u2029': '\\u2029',
|
||
|
|
};
|
||
|
|
|
||
|
|
let product = '';
|
||
|
|
|
||
|
|
for (let i = 0; i < value.length; i++) {
|
||
|
|
const c = value[i];
|
||
|
|
switch (c) {
|
||
|
|
case "'":
|
||
|
|
case '"':
|
||
|
|
quotes[c]++;
|
||
|
|
product += c;
|
||
|
|
continue
|
||
|
|
|
||
|
|
case '\0':
|
||
|
|
if (util.isDigit(value[i + 1])) {
|
||
|
|
product += '\\x00';
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (replacements[c]) {
|
||
|
|
product += replacements[c];
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
if (c < ' ') {
|
||
|
|
let hexString = c.charCodeAt(0).toString(16);
|
||
|
|
product += '\\x' + ('00' + hexString).substring(hexString.length);
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
product += c;
|
||
|
|
}
|
||
|
|
|
||
|
|
const quoteChar = quote || Object.keys(quotes).reduce((a, b) => (quotes[a] < quotes[b]) ? a : b);
|
||
|
|
|
||
|
|
product = product.replace(new RegExp(quoteChar, 'g'), replacements[quoteChar]);
|
||
|
|
|
||
|
|
return quoteChar + product + quoteChar
|
||
|
|
}
|
||
|
|
|
||
|
|
function serializeObject (value) {
|
||
|
|
if (stack.indexOf(value) >= 0) {
|
||
|
|
throw TypeError('Converting circular structure to JSON5')
|
||
|
|
}
|
||
|
|
|
||
|
|
stack.push(value);
|
||
|
|
|
||
|
|
let stepback = indent;
|
||
|
|
indent = indent + gap;
|
||
|
|
|
||
|
|
let keys = propertyList || Object.keys(value);
|
||
|
|
let partial = [];
|
||
|
|
for (const key of keys) {
|
||
|
|
const propertyString = serializeProperty(key, value);
|
||
|
|
if (propertyString !== undefined) {
|
||
|
|
let member = serializeKey(key) + ':';
|
||
|
|
if (gap !== '') {
|
||
|
|
member += ' ';
|
||
|
|
}
|
||
|
|
member += propertyString;
|
||
|
|
partial.push(member);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
let final;
|
||
|
|
if (partial.length === 0) {
|
||
|
|
final = '{}';
|
||
|
|
} else {
|
||
|
|
let properties;
|
||
|
|
if (gap === '') {
|
||
|
|
properties = partial.join(',');
|
||
|
|
final = '{' + properties + '}';
|
||
|
|
} else {
|
||
|
|
let separator = ',\n' + indent;
|
||
|
|
properties = partial.join(separator);
|
||
|
|
final = '{\n' + indent + properties + ',\n' + stepback + '}';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
stack.pop();
|
||
|
|
indent = stepback;
|
||
|
|
return final
|
||
|
|
}
|
||
|
|
|
||
|
|
function serializeKey (key) {
|
||
|
|
if (key.length === 0) {
|
||
|
|
return quoteString(key, true)
|
||
|
|
}
|
||
|
|
|
||
|
|
const firstChar = String.fromCodePoint(key.codePointAt(0));
|
||
|
|
if (!util.isIdStartChar(firstChar)) {
|
||
|
|
return quoteString(key, true)
|
||
|
|
}
|
||
|
|
|
||
|
|
for (let i = firstChar.length; i < key.length; i++) {
|
||
|
|
if (!util.isIdContinueChar(String.fromCodePoint(key.codePointAt(i)))) {
|
||
|
|
return quoteString(key, true)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return key
|
||
|
|
}
|
||
|
|
|
||
|
|
function serializeArray (value) {
|
||
|
|
if (stack.indexOf(value) >= 0) {
|
||
|
|
throw TypeError('Converting circular structure to JSON5')
|
||
|
|
}
|
||
|
|
|
||
|
|
stack.push(value);
|
||
|
|
|
||
|
|
let stepback = indent;
|
||
|
|
indent = indent + gap;
|
||
|
|
|
||
|
|
let partial = [];
|
||
|
|
for (let i = 0; i < value.length; i++) {
|
||
|
|
const propertyString = serializeProperty(String(i), value);
|
||
|
|
partial.push((propertyString !== undefined) ? propertyString : 'null');
|
||
|
|
}
|
||
|
|
|
||
|
|
let final;
|
||
|
|
if (partial.length === 0) {
|
||
|
|
final = '[]';
|
||
|
|
} else {
|
||
|
|
if (gap === '') {
|
||
|
|
let properties = partial.join(',');
|
||
|
|
final = '[' + properties + ']';
|
||
|
|
} else {
|
||
|
|
let separator = ',\n' + indent;
|
||
|
|
let properties = partial.join(separator);
|
||
|
|
final = '[\n' + indent + properties + ',\n' + stepback + ']';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
stack.pop();
|
||
|
|
indent = stepback;
|
||
|
|
return final
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
const JSON5 = {
|
||
|
|
parse,
|
||
|
|
stringify,
|
||
|
|
};
|
||
|
|
|
||
|
|
var lib = JSON5;
|
||
|
|
|
||
|
|
export default lib;
|