1353 lines
No EOL
61 KiB
JavaScript
1353 lines
No EOL
61 KiB
JavaScript
/**
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* LR parser generated by the Syntax tool.
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*
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* https://www.npmjs.com/package/syntax-cli
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*
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* npm install -g syntax-cli
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*
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* syntax-cli --help
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*
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* To regenerate run:
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*
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* syntax-cli \
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* --grammar ~/path-to-grammar-file \
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* --mode <parsing-mode> \
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* --output ~/path-to-output-parser-file.js
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*/
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'use strict';
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/**
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* Matched token text.
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*/
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var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
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function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
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var yytext = void 0;
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/**
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* Length of the matched token text.
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*/
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var yyleng = void 0;
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/**
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* Storage object.
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*/
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var yy = {};
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/**
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* Result of semantic action.
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*/
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var __ = void 0;
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/**
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* Result location object.
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*/
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var __loc = void 0;
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function yyloc(start, end) {
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if (!yy.options.captureLocations) {
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return null;
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}
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// Epsilon doesn't produce location.
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if (!start || !end) {
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return start || end;
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}
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return {
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startOffset: start.startOffset,
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endOffset: end.endOffset,
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startLine: start.startLine,
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endLine: end.endLine,
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startColumn: start.startColumn,
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endColumn: end.endColumn
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};
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}
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var EOF = '$';
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/**
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* List of productions (generated by Syntax tool).
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*/
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var productions = [[-1, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = _1;
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}], [0, 4, function (_1, _2, _3, _4, _1loc, _2loc, _3loc, _4loc) {
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__loc = yyloc(_1loc, _4loc);
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__ = Node({
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type: 'RegExp',
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body: _2,
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flags: checkFlags(_4)
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}, loc(_1loc, _4loc || _3loc));
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}], [1, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = _1;
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}], [1, 0, function () {
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__loc = null;__ = '';
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}], [2, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = _1;
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}], [2, 2, function (_1, _2, _1loc, _2loc) {
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__loc = yyloc(_1loc, _2loc);__ = _1 + _2;
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}], [3, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = _1;
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}], [4, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = _1;
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}], [4, 3, function (_1, _2, _3, _1loc, _2loc, _3loc) {
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__loc = yyloc(_1loc, _3loc);
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// Location for empty disjunction: /|/
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var _loc = null;
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if (_2loc) {
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_loc = loc(_1loc || _2loc, _3loc || _2loc);
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};
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__ = Node({
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type: 'Disjunction',
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left: _1,
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right: _3
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}, _loc);
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}], [5, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);
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if (_1.length === 0) {
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__ = null;
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return;
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}
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if (_1.length === 1) {
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__ = Node(_1[0], __loc);
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} else {
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__ = Node({
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type: 'Alternative',
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expressions: _1
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}, __loc);
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}
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}], [6, 0, function () {
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__loc = null;__ = [];
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}], [6, 2, function (_1, _2, _1loc, _2loc) {
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__loc = yyloc(_1loc, _2loc);__ = _1.concat(_2);
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}], [7, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = Node(Object.assign({ type: 'Assertion' }, _1), __loc);
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}], [7, 2, function (_1, _2, _1loc, _2loc) {
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__loc = yyloc(_1loc, _2loc);
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__ = _1;
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if (_2) {
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__ = Node({
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type: 'Repetition',
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expression: _1,
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quantifier: _2
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}, __loc);
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}
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}], [8, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = { kind: '^' };
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}], [8, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = { kind: '$' };
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}], [8, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = { kind: '\\b' };
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}], [8, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = { kind: '\\B' };
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}], [8, 3, function (_1, _2, _3, _1loc, _2loc, _3loc) {
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__loc = yyloc(_1loc, _3loc);
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__ = {
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kind: 'Lookahead',
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assertion: _2
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};
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}], [8, 3, function (_1, _2, _3, _1loc, _2loc, _3loc) {
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__loc = yyloc(_1loc, _3loc);
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__ = {
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kind: 'Lookahead',
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negative: true,
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assertion: _2
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};
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}], [8, 3, function (_1, _2, _3, _1loc, _2loc, _3loc) {
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__loc = yyloc(_1loc, _3loc);
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__ = {
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kind: 'Lookbehind',
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assertion: _2
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};
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}], [8, 3, function (_1, _2, _3, _1loc, _2loc, _3loc) {
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__loc = yyloc(_1loc, _3loc);
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__ = {
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kind: 'Lookbehind',
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negative: true,
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assertion: _2
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};
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}], [9, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = _1;
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}], [9, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = _1;
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}], [9, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = _1;
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}], [10, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = Char(_1, 'simple', __loc);
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}], [10, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = Char(_1.slice(1), 'simple', __loc);__.escaped = true;
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}], [10, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = Char(_1, 'unicode', __loc);__.isSurrogatePair = true;
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}], [10, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = Char(_1, 'unicode', __loc);
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}], [10, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = UnicodeProperty(_1, __loc);
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}], [10, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = Char(_1, 'control', __loc);
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}], [10, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = Char(_1, 'hex', __loc);
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}], [10, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = Char(_1, 'oct', __loc);
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}], [10, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = GroupRefOrDecChar(_1, __loc);
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}], [10, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = Char(_1, 'meta', __loc);
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}], [10, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = Char(_1, 'meta', __loc);
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}], [10, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = NamedGroupRefOrChars(_1, _1loc);
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}], [11, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = _1;
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}], [11, 0], [12, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = _1;
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}], [12, 2, function (_1, _2, _1loc, _2loc) {
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__loc = yyloc(_1loc, _2loc);
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_1.greedy = false;
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__ = _1;
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}], [13, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);
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__ = Node({
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type: 'Quantifier',
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kind: _1,
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greedy: true
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}, __loc);
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}], [13, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);
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__ = Node({
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type: 'Quantifier',
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kind: _1,
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greedy: true
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}, __loc);
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}], [13, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);
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__ = Node({
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type: 'Quantifier',
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kind: _1,
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greedy: true
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}, __loc);
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}], [13, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);
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var range = getRange(_1);
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__ = Node({
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type: 'Quantifier',
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kind: 'Range',
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from: range[0],
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to: range[0],
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greedy: true
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}, __loc);
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}], [13, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);
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__ = Node({
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type: 'Quantifier',
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kind: 'Range',
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from: getRange(_1)[0],
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greedy: true
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}, __loc);
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}], [13, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);
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var range = getRange(_1);
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__ = Node({
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type: 'Quantifier',
|
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kind: 'Range',
|
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from: range[0],
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to: range[1],
|
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greedy: true
|
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}, __loc);
|
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}], [14, 1, function (_1, _1loc) {
|
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__loc = yyloc(_1loc, _1loc);__ = _1;
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}], [14, 1, function (_1, _1loc) {
|
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__loc = yyloc(_1loc, _1loc);__ = _1;
|
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}], [15, 3, function (_1, _2, _3, _1loc, _2loc, _3loc) {
|
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__loc = yyloc(_1loc, _3loc);
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if (namedGroups.hasOwnProperty(_1)) {
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throw new SyntaxError('Duplicate of the named group "' + _1 + '".');
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}
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var name = String(_1);
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namedGroups[name] = _1.groupNumber;
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__ = Node({
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type: 'Group',
|
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capturing: true,
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name: name,
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number: _1.groupNumber,
|
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expression: _2
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}, __loc);
|
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}], [15, 3, function (_1, _2, _3, _1loc, _2loc, _3loc) {
|
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__loc = yyloc(_1loc, _3loc);
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__ = Node({
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type: 'Group',
|
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capturing: true,
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number: _1.groupNumber,
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expression: _2
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}, __loc);
|
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}], [16, 3, function (_1, _2, _3, _1loc, _2loc, _3loc) {
|
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__loc = yyloc(_1loc, _3loc);
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__ = Node({
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type: 'Group',
|
|
capturing: false,
|
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expression: _2
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}, __loc);
|
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}], [17, 3, function (_1, _2, _3, _1loc, _2loc, _3loc) {
|
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__loc = yyloc(_1loc, _3loc);
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__ = Node({
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type: 'CharacterClass',
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negative: true,
|
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expressions: _2
|
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}, __loc);
|
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}], [17, 3, function (_1, _2, _3, _1loc, _2loc, _3loc) {
|
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__loc = yyloc(_1loc, _3loc);
|
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__ = Node({
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type: 'CharacterClass',
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expressions: _2
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}, __loc);
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}], [18, 0, function () {
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__loc = null;__ = [];
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}], [18, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = _1;
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}], [19, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = [_1];
|
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}], [19, 2, function (_1, _2, _1loc, _2loc) {
|
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__loc = yyloc(_1loc, _2loc);__ = [_1].concat(_2);
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}], [19, 4, function (_1, _2, _3, _4, _1loc, _2loc, _3loc, _4loc) {
|
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__loc = yyloc(_1loc, _4loc);
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checkClassRange(_1, _3);
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__ = [Node({
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type: 'ClassRange',
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from: _1,
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to: _3
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}, loc(_1loc, _3loc))];
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if (_4) {
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__ = __.concat(_4);
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}
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}], [20, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = _1;
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}], [20, 2, function (_1, _2, _1loc, _2loc) {
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__loc = yyloc(_1loc, _2loc);__ = [_1].concat(_2);
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}], [20, 4, function (_1, _2, _3, _4, _1loc, _2loc, _3loc, _4loc) {
|
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__loc = yyloc(_1loc, _4loc);
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checkClassRange(_1, _3);
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|
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__ = [Node({
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type: 'ClassRange',
|
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from: _1,
|
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to: _3
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}, loc(_1loc, _3loc))];
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|
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if (_4) {
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__ = __.concat(_4);
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}
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}], [21, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = Char(_1, 'simple', __loc);
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}], [21, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = _1;
|
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}], [22, 1, function (_1, _1loc) {
|
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__loc = yyloc(_1loc, _1loc);__ = _1;
|
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}], [22, 1, function (_1, _1loc) {
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__loc = yyloc(_1loc, _1loc);__ = Char(_1, 'meta', __loc);
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}]];
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/**
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* Encoded tokens map.
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*/
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var tokens = { "SLASH": "23", "CHAR": "24", "BAR": "25", "BOS": "26", "EOS": "27", "ESC_b": "28", "ESC_B": "29", "POS_LA_ASSERT": "30", "R_PAREN": "31", "NEG_LA_ASSERT": "32", "POS_LB_ASSERT": "33", "NEG_LB_ASSERT": "34", "ESC_CHAR": "35", "U_CODE_SURROGATE": "36", "U_CODE": "37", "U_PROP_VALUE_EXP": "38", "CTRL_CH": "39", "HEX_CODE": "40", "OCT_CODE": "41", "DEC_CODE": "42", "META_CHAR": "43", "ANY": "44", "NAMED_GROUP_REF": "45", "Q_MARK": "46", "STAR": "47", "PLUS": "48", "RANGE_EXACT": "49", "RANGE_OPEN": "50", "RANGE_CLOSED": "51", "NAMED_CAPTURE_GROUP": "52", "L_PAREN": "53", "NON_CAPTURE_GROUP": "54", "NEG_CLASS": "55", "R_BRACKET": "56", "L_BRACKET": "57", "DASH": "58", "$": "59" };
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|
|
/**
|
|
* Parsing table (generated by Syntax tool).
|
|
*/
|
|
var table = [{ "0": 1, "23": "s2" }, { "59": "acc" }, { "3": 3, "4": 4, "5": 5, "6": 6, "23": "r10", "24": "r10", "25": "r10", "26": "r10", "27": "r10", "28": "r10", "29": "r10", "30": "r10", "32": "r10", "33": "r10", "34": "r10", "35": "r10", "36": "r10", "37": "r10", "38": "r10", "39": "r10", "40": "r10", "41": "r10", "42": "r10", "43": "r10", "44": "r10", "45": "r10", "52": "r10", "53": "r10", "54": "r10", "55": "r10", "57": "r10" }, { "23": "s7" }, { "23": "r6", "25": "s12" }, { "23": "r7", "25": "r7", "31": "r7" }, { "7": 14, "8": 15, "9": 16, "10": 25, "14": 27, "15": 42, "16": 43, "17": 26, "23": "r9", "24": "s28", "25": "r9", "26": "s17", "27": "s18", "28": "s19", "29": "s20", "30": "s21", "31": "r9", "32": "s22", "33": "s23", "34": "s24", "35": "s29", "36": "s30", "37": "s31", "38": "s32", "39": "s33", "40": "s34", "41": "s35", "42": "s36", "43": "s37", "44": "s38", "45": "s39", "52": "s44", "53": "s45", "54": "s46", "55": "s40", "57": "s41" }, { "1": 8, "2": 9, "24": "s10", 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"58": "s68" }, { "10": 70, "18": 83, "19": 66, "21": 67, "22": 69, "24": "s28", "28": "s71", "35": "s29", "36": "s30", "37": "s31", "38": "s32", "39": "s33", "40": "s34", "41": "s35", "42": "s36", "43": "s37", "44": "s38", "45": "s39", "56": "r54", "58": "s68" }, { "23": "r47", "24": "r47", "25": "r47", "26": "r47", "27": "r47", "28": "r47", "29": "r47", "30": "r47", "31": "r47", "32": "r47", "33": "r47", "34": "r47", "35": "r47", "36": "r47", "37": "r47", "38": "r47", "39": "r47", "40": "r47", "41": "r47", "42": "r47", "43": "r47", "44": "r47", "45": "r47", "46": "r47", "47": "r47", "48": "r47", "49": "r47", "50": "r47", "51": "r47", "52": "r47", "53": "r47", "54": "r47", "55": "r47", "57": "r47" }, { "23": "r48", "24": "r48", "25": "r48", "26": "r48", "27": "r48", "28": "r48", "29": "r48", "30": "r48", "31": "r48", "32": "r48", "33": "r48", "34": "r48", "35": "r48", "36": "r48", "37": "r48", "38": "r48", "39": "r48", "40": "r48", "41": "r48", "42": "r48", "43": "r48", "44": "r48", "45": "r48", "46": "r48", "47": "r48", "48": "r48", "49": "r48", "50": "r48", "51": "r48", "52": "r48", "53": "r48", "54": "r48", "55": "r48", "57": "r48" }, { "4": 85, "5": 5, "6": 6, "24": "r10", "25": "r10", "26": "r10", "27": "r10", "28": "r10", "29": "r10", "30": "r10", "31": "r10", "32": "r10", "33": "r10", "34": "r10", "35": "r10", "36": "r10", "37": "r10", "38": "r10", "39": "r10", "40": "r10", "41": "r10", "42": "r10", "43": "r10", "44": "r10", "45": "r10", "52": "r10", "53": "r10", "54": "r10", "55": "r10", "57": "r10" }, { "4": 87, "5": 5, "6": 6, "24": "r10", "25": "r10", "26": "r10", "27": "r10", "28": "r10", "29": "r10", "30": "r10", "31": "r10", "32": "r10", "33": "r10", "34": "r10", "35": "r10", "36": "r10", "37": "r10", "38": "r10", "39": "r10", "40": "r10", "41": "r10", "42": "r10", "43": "r10", "44": "r10", "45": "r10", "52": "r10", "53": "r10", "54": "r10", "55": "r10", "57": "r10" }, { "4": 89, "5": 5, "6": 6, "24": "r10", "25": "r10", "26": "r10", "27": "r10", "28": "r10", "29": "r10", "30": "r10", "31": "r10", "32": "r10", "33": "r10", "34": "r10", "35": "r10", "36": "r10", "37": "r10", "38": "r10", "39": "r10", "40": "r10", "41": "r10", "42": "r10", "43": "r10", "44": "r10", "45": "r10", "52": "r10", "53": "r10", "54": "r10", "55": "r10", "57": "r10" }, { "23": "r13", "24": "r13", "25": "r13", "26": "r13", "27": "r13", "28": "r13", "29": "r13", "30": "r13", "31": "r13", "32": "r13", "33": "r13", "34": "r13", "35": "r13", "36": "r13", "37": "r13", "38": "r13", "39": "r13", "40": "r13", "41": "r13", "42": "r13", "43": "r13", "44": "r13", "45": "r13", "52": "r13", "53": "r13", "54": "r13", "55": "r13", "57": "r13" }, { "23": "r37", "24": "r37", "25": "r37", "26": "r37", "27": "r37", "28": "r37", "29": "r37", "30": "r37", "31": "r37", "32": "r37", "33": "r37", "34": "r37", "35": "r37", "36": "r37", "37": "r37", "38": "r37", "39": "r37", "40": "r37", "41": "r37", "42": "r37", "43": "r37", "44": "r37", "45": "r37", "52": "r37", "53": "r37", "54": "r37", "55": "r37", "57": "r37" }, { "23": "r39", "24": "r39", "25": "r39", "26": "r39", "27": "r39", "28": "r39", "29": "r39", "30": "r39", "31": "r39", "32": "r39", "33": "r39", "34": "r39", "35": "r39", "36": "r39", "37": "r39", "38": "r39", "39": "r39", "40": "r39", "41": "r39", "42": "r39", "43": "r39", "44": "r39", "45": "r39", "46": "s56", "52": "r39", "53": "r39", "54": "r39", "55": "r39", "57": "r39" }, { "23": "r41", "24": "r41", "25": "r41", "26": "r41", "27": "r41", "28": "r41", "29": "r41", "30": "r41", "31": "r41", "32": "r41", "33": "r41", "34": "r41", "35": "r41", "36": "r41", "37": "r41", "38": "r41", "39": "r41", "40": "r41", "41": "r41", "42": "r41", "43": "r41", "44": "r41", "45": "r41", "46": "r41", "52": "r41", "53": "r41", "54": "r41", "55": "r41", "57": "r41" }, { "23": "r42", "24": "r42", "25": "r42", "26": "r42", "27": "r42", "28": "r42", "29": "r42", "30": "r42", "31": "r42", "32": "r42", "33": "r42", "34": "r42", "35": "r42", "36": "r42", "37": "r42", "38": "r42", "39": "r42", "40": "r42", "41": "r42", "42": "r42", "43": "r42", "44": "r42", "45": "r42", "46": "r42", "52": "r42", "53": "r42", "54": "r42", "55": "r42", "57": "r42" }, { "23": "r43", "24": "r43", "25": "r43", "26": "r43", "27": "r43", "28": "r43", "29": "r43", "30": "r43", "31": "r43", "32": "r43", "33": "r43", "34": "r43", "35": "r43", "36": "r43", "37": "r43", "38": "r43", "39": "r43", "40": "r43", "41": "r43", "42": "r43", "43": "r43", "44": "r43", "45": "r43", "46": "r43", "52": "r43", "53": "r43", "54": "r43", "55": "r43", "57": "r43" }, { "23": "r44", "24": "r44", "25": "r44", "26": "r44", "27": "r44", "28": "r44", "29": "r44", "30": "r44", "31": "r44", "32": "r44", "33": "r44", "34": "r44", "35": "r44", "36": "r44", "37": "r44", "38": "r44", "39": "r44", "40": "r44", "41": "r44", "42": "r44", "43": "r44", "44": "r44", "45": "r44", "46": "r44", "52": "r44", "53": "r44", "54": "r44", "55": "r44", "57": "r44" }, { "23": "r45", "24": "r45", "25": "r45", "26": "r45", "27": "r45", "28": "r45", "29": "r45", "30": "r45", "31": "r45", "32": "r45", "33": "r45", "34": "r45", "35": "r45", "36": "r45", "37": "r45", "38": "r45", "39": "r45", "40": "r45", "41": "r45", "42": "r45", "43": "r45", "44": "r45", "45": "r45", "46": "r45", "52": "r45", "53": "r45", "54": "r45", "55": "r45", "57": "r45" }, { "23": "r46", "24": "r46", "25": "r46", "26": "r46", "27": "r46", "28": "r46", "29": "r46", "30": "r46", "31": "r46", "32": "r46", "33": "r46", "34": "r46", "35": "r46", "36": "r46", "37": "r46", "38": "r46", "39": "r46", "40": "r46", "41": "r46", "42": "r46", "43": "r46", "44": "r46", "45": "r46", "46": "r46", "52": "r46", "53": "r46", "54": "r46", "55": "r46", "57": "r46" }, { "23": "r40", "24": "r40", "25": "r40", "26": "r40", "27": "r40", "28": "r40", "29": "r40", "30": "r40", "31": "r40", "32": "r40", "33": "r40", "34": "r40", "35": "r40", "36": "r40", "37": "r40", "38": "r40", "39": "r40", "40": "r40", "41": "r40", "42": "r40", "43": "r40", "44": "r40", "45": "r40", "52": "r40", "53": "r40", "54": "r40", "55": "r40", "57": "r40" }, { "25": "s12", "31": "s58" }, { "23": "r18", "24": "r18", "25": "r18", "26": "r18", "27": "r18", "28": "r18", "29": "r18", "30": "r18", "31": "r18", "32": "r18", "33": "r18", "34": "r18", "35": "r18", "36": "r18", "37": "r18", "38": "r18", "39": "r18", "40": "r18", "41": "r18", "42": "r18", "43": "r18", "44": "r18", "45": "r18", "52": "r18", "53": "r18", "54": "r18", "55": "r18", "57": "r18" }, { "25": "s12", "31": "s60" }, { "23": "r19", "24": "r19", "25": "r19", "26": "r19", "27": "r19", "28": "r19", "29": "r19", "30": "r19", "31": "r19", "32": "r19", "33": "r19", "34": "r19", "35": "r19", "36": "r19", "37": "r19", "38": "r19", "39": "r19", "40": "r19", "41": "r19", "42": "r19", "43": "r19", "44": "r19", "45": "r19", "52": "r19", "53": "r19", "54": "r19", "55": "r19", "57": "r19" }, { "25": "s12", "31": "s62" }, { "23": "r20", "24": "r20", "25": "r20", "26": "r20", "27": "r20", "28": "r20", "29": "r20", "30": "r20", "31": "r20", "32": "r20", "33": "r20", "34": "r20", "35": "r20", "36": "r20", "37": "r20", "38": "r20", "39": "r20", "40": "r20", "41": "r20", "42": "r20", "43": "r20", "44": "r20", "45": "r20", "52": "r20", "53": "r20", "54": "r20", "55": "r20", "57": "r20" }, { "25": "s12", "31": "s64" }, { "23": "r21", "24": "r21", "25": "r21", "26": "r21", "27": "r21", "28": "r21", "29": "r21", "30": "r21", "31": "r21", "32": "r21", "33": "r21", "34": "r21", "35": "r21", "36": "r21", "37": "r21", "38": "r21", "39": "r21", "40": "r21", "41": "r21", "42": "r21", "43": "r21", "44": "r21", "45": "r21", "52": "r21", "53": "r21", "54": "r21", "55": "r21", "57": "r21" }, { "56": "s72" }, { "56": "r55" }, { "10": 70, "20": 73, "21": 75, "22": 76, "24": "s28", "28": "s71", "35": "s29", "36": "s30", "37": "s31", "38": "s32", "39": "s33", "40": "s34", "41": "s35", "42": "s36", "43": "s37", "44": "s38", "45": "s39", "56": "r56", "58": "s74" }, { "24": "r62", "28": "r62", "35": "r62", "36": "r62", "37": "r62", "38": "r62", "39": "r62", "40": "r62", "41": "r62", "42": "r62", "43": "r62", "44": "r62", "45": "r62", "56": "r62", "58": "r62" }, { "24": "r63", "28": "r63", "35": "r63", "36": "r63", "37": "r63", "38": "r63", "39": "r63", "40": "r63", "41": "r63", "42": "r63", "43": "r63", "44": "r63", "45": "r63", "56": "r63", "58": "r63" }, { "24": "r64", "28": "r64", "35": "r64", "36": "r64", "37": "r64", "38": "r64", "39": "r64", "40": "r64", "41": "r64", "42": "r64", "43": "r64", "44": "r64", "45": "r64", "56": "r64", "58": "r64" }, { "24": "r65", "28": "r65", "35": "r65", "36": "r65", "37": "r65", "38": "r65", "39": "r65", "40": "r65", "41": "r65", "42": "r65", "43": "r65", "44": "r65", "45": "r65", "56": "r65", "58": "r65" }, { "23": "r52", "24": "r52", "25": "r52", "26": "r52", "27": "r52", "28": "r52", "29": "r52", "30": "r52", "31": "r52", "32": "r52", "33": "r52", "34": "r52", "35": "r52", "36": "r52", "37": "r52", "38": "r52", "39": "r52", "40": "r52", "41": "r52", "42": "r52", "43": "r52", "44": "r52", "45": "r52", "46": "r52", "47": "r52", "48": "r52", "49": "r52", "50": "r52", "51": "r52", "52": "r52", "53": "r52", "54": "r52", "55": "r52", "57": "r52" }, { "56": "r57" }, { "10": 70, "21": 77, "22": 69, "24": "s28", "28": "s71", "35": "s29", "36": "s30", "37": "s31", "38": "s32", "39": "s33", "40": "s34", "41": "s35", "42": "s36", "43": "s37", "44": "s38", "45": "s39", "56": "r62", "58": "s68" }, { "56": "r59" }, { "10": 70, "20": 79, "21": 75, "22": 76, "24": "s28", "28": "s71", "35": "s29", "36": "s30", "37": "s31", "38": "s32", "39": "s33", "40": "s34", "41": "s35", "42": "s36", "43": "s37", "44": "s38", "45": "s39", "56": "r63", "58": "s80" }, { "10": 70, "18": 78, "19": 66, "21": 67, "22": 69, "24": "s28", "28": "s71", "35": "s29", "36": "s30", "37": "s31", "38": "s32", "39": "s33", "40": "s34", "41": "s35", "42": "s36", "43": "s37", "44": "s38", "45": "s39", "56": "r54", "58": "s68" }, { "56": "r58" }, { "56": "r60" }, { "10": 70, "21": 81, "22": 69, "24": "s28", "28": "s71", "35": "s29", "36": "s30", "37": "s31", "38": "s32", "39": "s33", "40": "s34", "41": "s35", "42": "s36", "43": "s37", "44": "s38", "45": "s39", "56": "r62", "58": "s68" }, { "10": 70, "18": 82, "19": 66, "21": 67, "22": 69, "24": "s28", "28": "s71", "35": "s29", "36": "s30", "37": "s31", "38": "s32", "39": "s33", "40": "s34", "41": "s35", "42": "s36", "43": "s37", "44": "s38", "45": "s39", "56": "r54", "58": "s68" }, { "56": "r61" }, { "56": "s84" }, { "23": "r53", "24": "r53", "25": "r53", "26": "r53", "27": "r53", "28": "r53", "29": "r53", "30": "r53", "31": "r53", "32": "r53", "33": "r53", "34": "r53", "35": "r53", "36": "r53", "37": "r53", "38": "r53", "39": "r53", "40": "r53", "41": "r53", "42": "r53", "43": "r53", "44": "r53", "45": "r53", "46": "r53", "47": "r53", "48": "r53", "49": "r53", "50": "r53", "51": "r53", "52": "r53", "53": "r53", "54": "r53", "55": "r53", "57": "r53" }, { "25": "s12", "31": "s86" }, { "23": "r49", "24": "r49", "25": "r49", "26": "r49", "27": "r49", "28": "r49", "29": "r49", "30": "r49", "31": "r49", "32": "r49", "33": "r49", "34": "r49", "35": "r49", "36": "r49", "37": "r49", "38": "r49", "39": "r49", "40": "r49", "41": "r49", "42": "r49", "43": "r49", "44": "r49", "45": "r49", "46": "r49", "47": "r49", "48": "r49", "49": "r49", "50": "r49", "51": "r49", "52": "r49", "53": "r49", "54": "r49", "55": "r49", "57": "r49" }, { "25": "s12", "31": "s88" }, { "23": "r50", "24": "r50", "25": "r50", "26": "r50", "27": "r50", "28": "r50", "29": "r50", "30": "r50", "31": "r50", "32": "r50", "33": "r50", "34": "r50", "35": "r50", "36": "r50", "37": "r50", "38": "r50", "39": "r50", "40": "r50", "41": "r50", "42": "r50", "43": "r50", "44": "r50", "45": "r50", "46": "r50", "47": "r50", "48": "r50", "49": "r50", "50": "r50", "51": "r50", "52": "r50", "53": "r50", "54": "r50", "55": "r50", "57": "r50" }, { "25": "s12", "31": "s90" }, { "23": "r51", "24": "r51", "25": "r51", "26": "r51", "27": "r51", "28": "r51", "29": "r51", "30": "r51", "31": "r51", "32": "r51", "33": "r51", "34": "r51", "35": "r51", "36": "r51", "37": "r51", "38": "r51", "39": "r51", "40": "r51", "41": "r51", "42": "r51", "43": "r51", "44": "r51", "45": "r51", "46": "r51", "47": "r51", "48": "r51", "49": "r51", "50": "r51", "51": "r51", "52": "r51", "53": "r51", "54": "r51", "55": "r51", "57": "r51" }];
|
|
|
|
/**
|
|
* Parsing stack.
|
|
*/
|
|
var stack = [];
|
|
|
|
/**
|
|
* Tokenizer instance.
|
|
*/
|
|
var tokenizer = void 0;
|
|
/**
|
|
* Generic tokenizer used by the parser in the Syntax tool.
|
|
*
|
|
* https://www.npmjs.com/package/syntax-cli
|
|
*
|
|
* See `--custom-tokinzer` to skip this generation, and use a custom one.
|
|
*/
|
|
|
|
var lexRules = [[/^#[^\n]+/, function () {/* skip comments */}], [/^\s+/, function () {/* skip whitespace */}], [/^\\-/, function () {
|
|
return 'ESC_CHAR';
|
|
}], [/^-/, function () {
|
|
return 'DASH';
|
|
}], [/^\//, function () {
|
|
return 'CHAR';
|
|
}], [/^#/, function () {
|
|
return 'CHAR';
|
|
}], [/^\|/, function () {
|
|
return 'CHAR';
|
|
}], [/^\./, function () {
|
|
return 'CHAR';
|
|
}], [/^\{/, function () {
|
|
return 'CHAR';
|
|
}], [/^\{\d+\}/, function () {
|
|
return 'RANGE_EXACT';
|
|
}], [/^\{\d+,\}/, function () {
|
|
return 'RANGE_OPEN';
|
|
}], [/^\{\d+,\d+\}/, function () {
|
|
return 'RANGE_CLOSED';
|
|
}], [/^\\k<([\w$]|\\u[0-9a-fA-F]{4}|\\u\{[0-9a-fA-F]{1,}\})+>/, function () {
|
|
var groupName = yytext.slice(3, -1);
|
|
validateUnicodeGroupName(groupName, this.getCurrentState());
|
|
return 'NAMED_GROUP_REF';
|
|
}], [/^\\b/, function () {
|
|
return 'ESC_b';
|
|
}], [/^\\B/, function () {
|
|
return 'ESC_B';
|
|
}], [/^\\c[a-zA-Z]/, function () {
|
|
return 'CTRL_CH';
|
|
}], [/^\\0\d{1,2}/, function () {
|
|
return 'OCT_CODE';
|
|
}], [/^\\0/, function () {
|
|
return 'DEC_CODE';
|
|
}], [/^\\\d{1,3}/, function () {
|
|
return 'DEC_CODE';
|
|
}], [/^\\u[dD][89abAB][0-9a-fA-F]{2}\\u[dD][c-fC-F][0-9a-fA-F]{2}/, function () {
|
|
return 'U_CODE_SURROGATE';
|
|
}], [/^\\u\{[0-9a-fA-F]{1,}\}/, function () {
|
|
return 'U_CODE';
|
|
}], [/^\\u[0-9a-fA-F]{4}/, function () {
|
|
return 'U_CODE';
|
|
}], [/^\\[pP]\{\w+(?:=\w+)?\}/, function () {
|
|
return 'U_PROP_VALUE_EXP';
|
|
}], [/^\\x[0-9a-fA-F]{2}/, function () {
|
|
return 'HEX_CODE';
|
|
}], [/^\\[tnrdDsSwWvf]/, function () {
|
|
return 'META_CHAR';
|
|
}], [/^\\\//, function () {
|
|
return 'ESC_CHAR';
|
|
}], [/^\\[ #]/, function () {
|
|
return 'ESC_CHAR';
|
|
}], [/^\\[^*?+\[()\\|]/, function () {
|
|
var s = this.getCurrentState();
|
|
if (s === 'u' || s === 'xu' || s === 'u_class') {
|
|
throw new SyntaxError('invalid Unicode escape ' + yytext);
|
|
}
|
|
return 'ESC_CHAR';
|
|
}], [/^\\[*?+\[()\\|]/, function () {
|
|
return 'ESC_CHAR';
|
|
}], [/^\(/, function () {
|
|
return 'CHAR';
|
|
}], [/^\)/, function () {
|
|
return 'CHAR';
|
|
}], [/^\(\?=/, function () {
|
|
return 'POS_LA_ASSERT';
|
|
}], [/^\(\?!/, function () {
|
|
return 'NEG_LA_ASSERT';
|
|
}], [/^\(\?<=/, function () {
|
|
return 'POS_LB_ASSERT';
|
|
}], [/^\(\?<!/, function () {
|
|
return 'NEG_LB_ASSERT';
|
|
}], [/^\(\?:/, function () {
|
|
return 'NON_CAPTURE_GROUP';
|
|
}], [/^\(\?<([\w$]|\\u[0-9a-fA-F]{4}|\\u\{[0-9a-fA-F]{1,}\})+>/, function () {
|
|
yytext = yytext.slice(3, -1);
|
|
validateUnicodeGroupName(yytext, this.getCurrentState());
|
|
return 'NAMED_CAPTURE_GROUP';
|
|
}], [/^\(/, function () {
|
|
return 'L_PAREN';
|
|
}], [/^\)/, function () {
|
|
return 'R_PAREN';
|
|
}], [/^[*?+[^$]/, function () {
|
|
return 'CHAR';
|
|
}], [/^\\\]/, function () {
|
|
return 'ESC_CHAR';
|
|
}], [/^\]/, function () {
|
|
this.popState();return 'R_BRACKET';
|
|
}], [/^\^/, function () {
|
|
return 'BOS';
|
|
}], [/^\$/, function () {
|
|
return 'EOS';
|
|
}], [/^\*/, function () {
|
|
return 'STAR';
|
|
}], [/^\?/, function () {
|
|
return 'Q_MARK';
|
|
}], [/^\+/, function () {
|
|
return 'PLUS';
|
|
}], [/^\|/, function () {
|
|
return 'BAR';
|
|
}], [/^\./, function () {
|
|
return 'ANY';
|
|
}], [/^\//, function () {
|
|
return 'SLASH';
|
|
}], [/^[^*?+\[()\\|]/, function () {
|
|
return 'CHAR';
|
|
}], [/^\[\^/, function () {
|
|
var s = this.getCurrentState();this.pushState(s === 'u' || s === 'xu' ? 'u_class' : 'class');return 'NEG_CLASS';
|
|
}], [/^\[/, function () {
|
|
var s = this.getCurrentState();this.pushState(s === 'u' || s === 'xu' ? 'u_class' : 'class');return 'L_BRACKET';
|
|
}]];
|
|
var lexRulesByConditions = { "INITIAL": [9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 21, 23, 24, 25, 27, 28, 31, 32, 33, 34, 35, 36, 37, 38, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52], "u": [9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 28, 31, 32, 33, 34, 35, 36, 37, 38, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52], "xu": [0, 1, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 31, 32, 33, 34, 35, 36, 37, 38, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52], "x": [0, 1, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 21, 23, 24, 25, 27, 28, 31, 32, 33, 34, 35, 36, 37, 38, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52], "u_class": [2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52], "class": [2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 21, 23, 24, 25, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52] };
|
|
|
|
var EOF_TOKEN = {
|
|
type: EOF,
|
|
value: ''
|
|
};
|
|
|
|
tokenizer = {
|
|
initString: function initString(string) {
|
|
this._string = string;
|
|
this._cursor = 0;
|
|
|
|
this._states = ['INITIAL'];
|
|
this._tokensQueue = [];
|
|
|
|
this._currentLine = 1;
|
|
this._currentColumn = 0;
|
|
this._currentLineBeginOffset = 0;
|
|
|
|
/**
|
|
* Matched token location data.
|
|
*/
|
|
this._tokenStartOffset = 0;
|
|
this._tokenEndOffset = 0;
|
|
this._tokenStartLine = 1;
|
|
this._tokenEndLine = 1;
|
|
this._tokenStartColumn = 0;
|
|
this._tokenEndColumn = 0;
|
|
|
|
return this;
|
|
},
|
|
|
|
|
|
/**
|
|
* Returns tokenizer states.
|
|
*/
|
|
getStates: function getStates() {
|
|
return this._states;
|
|
},
|
|
getCurrentState: function getCurrentState() {
|
|
return this._states[this._states.length - 1];
|
|
},
|
|
pushState: function pushState(state) {
|
|
this._states.push(state);
|
|
},
|
|
begin: function begin(state) {
|
|
this.pushState(state);
|
|
},
|
|
popState: function popState() {
|
|
if (this._states.length > 1) {
|
|
return this._states.pop();
|
|
}
|
|
return this._states[0];
|
|
},
|
|
getNextToken: function getNextToken() {
|
|
// Something was queued, return it.
|
|
if (this._tokensQueue.length > 0) {
|
|
return this.onToken(this._toToken(this._tokensQueue.shift()));
|
|
}
|
|
|
|
if (!this.hasMoreTokens()) {
|
|
return this.onToken(EOF_TOKEN);
|
|
}
|
|
|
|
var string = this._string.slice(this._cursor);
|
|
var lexRulesForState = lexRulesByConditions[this.getCurrentState()];
|
|
|
|
for (var i = 0; i < lexRulesForState.length; i++) {
|
|
var lexRuleIndex = lexRulesForState[i];
|
|
var lexRule = lexRules[lexRuleIndex];
|
|
|
|
var matched = this._match(string, lexRule[0]);
|
|
|
|
// Manual handling of EOF token (the end of string). Return it
|
|
// as `EOF` symbol.
|
|
if (string === '' && matched === '') {
|
|
this._cursor++;
|
|
}
|
|
|
|
if (matched !== null) {
|
|
yytext = matched;
|
|
yyleng = yytext.length;
|
|
var token = lexRule[1].call(this);
|
|
|
|
if (!token) {
|
|
return this.getNextToken();
|
|
}
|
|
|
|
// If multiple tokens are returned, save them to return
|
|
// on next `getNextToken` call.
|
|
|
|
if (Array.isArray(token)) {
|
|
var tokensToQueue = token.slice(1);
|
|
token = token[0];
|
|
if (tokensToQueue.length > 0) {
|
|
var _tokensQueue;
|
|
|
|
(_tokensQueue = this._tokensQueue).unshift.apply(_tokensQueue, _toConsumableArray(tokensToQueue));
|
|
}
|
|
}
|
|
|
|
return this.onToken(this._toToken(token, yytext));
|
|
}
|
|
}
|
|
|
|
if (this.isEOF()) {
|
|
this._cursor++;
|
|
return EOF_TOKEN;
|
|
}
|
|
|
|
this.throwUnexpectedToken(string[0], this._currentLine, this._currentColumn);
|
|
},
|
|
|
|
|
|
/**
|
|
* Throws default "Unexpected token" exception, showing the actual
|
|
* line from the source, pointing with the ^ marker to the bad token.
|
|
* In addition, shows `line:column` location.
|
|
*/
|
|
throwUnexpectedToken: function throwUnexpectedToken(symbol, line, column) {
|
|
var lineSource = this._string.split('\n')[line - 1];
|
|
var lineData = '';
|
|
|
|
if (lineSource) {
|
|
var pad = ' '.repeat(column);
|
|
lineData = '\n\n' + lineSource + '\n' + pad + '^\n';
|
|
}
|
|
|
|
throw new SyntaxError(lineData + 'Unexpected token: "' + symbol + '" ' + ('at ' + line + ':' + column + '.'));
|
|
},
|
|
getCursor: function getCursor() {
|
|
return this._cursor;
|
|
},
|
|
getCurrentLine: function getCurrentLine() {
|
|
return this._currentLine;
|
|
},
|
|
getCurrentColumn: function getCurrentColumn() {
|
|
return this._currentColumn;
|
|
},
|
|
_captureLocation: function _captureLocation(matched) {
|
|
var nlRe = /\n/g;
|
|
|
|
// Absolute offsets.
|
|
this._tokenStartOffset = this._cursor;
|
|
|
|
// Line-based locations, start.
|
|
this._tokenStartLine = this._currentLine;
|
|
this._tokenStartColumn = this._tokenStartOffset - this._currentLineBeginOffset;
|
|
|
|
// Extract `\n` in the matched token.
|
|
var nlMatch = void 0;
|
|
while ((nlMatch = nlRe.exec(matched)) !== null) {
|
|
this._currentLine++;
|
|
this._currentLineBeginOffset = this._tokenStartOffset + nlMatch.index + 1;
|
|
}
|
|
|
|
this._tokenEndOffset = this._cursor + matched.length;
|
|
|
|
// Line-based locations, end.
|
|
this._tokenEndLine = this._currentLine;
|
|
this._tokenEndColumn = this._currentColumn = this._tokenEndOffset - this._currentLineBeginOffset;
|
|
},
|
|
_toToken: function _toToken(tokenType) {
|
|
var yytext = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
|
|
|
|
return {
|
|
// Basic data.
|
|
type: tokenType,
|
|
value: yytext,
|
|
|
|
// Location data.
|
|
startOffset: this._tokenStartOffset,
|
|
endOffset: this._tokenEndOffset,
|
|
startLine: this._tokenStartLine,
|
|
endLine: this._tokenEndLine,
|
|
startColumn: this._tokenStartColumn,
|
|
endColumn: this._tokenEndColumn
|
|
};
|
|
},
|
|
isEOF: function isEOF() {
|
|
return this._cursor === this._string.length;
|
|
},
|
|
hasMoreTokens: function hasMoreTokens() {
|
|
return this._cursor <= this._string.length;
|
|
},
|
|
_match: function _match(string, regexp) {
|
|
var matched = string.match(regexp);
|
|
if (matched) {
|
|
// Handle `\n` in the matched token to track line numbers.
|
|
this._captureLocation(matched[0]);
|
|
this._cursor += matched[0].length;
|
|
return matched[0];
|
|
}
|
|
return null;
|
|
},
|
|
|
|
|
|
/**
|
|
* Allows analyzing, and transforming token. Default implementation
|
|
* just passes the token through.
|
|
*/
|
|
onToken: function onToken(token) {
|
|
return token;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Expose tokenizer so it can be accessed in semantic actions.
|
|
*/
|
|
yy.lexer = tokenizer;
|
|
yy.tokenizer = tokenizer;
|
|
|
|
/**
|
|
* Global parsing options. Some options can be shadowed per
|
|
* each `parse` call, if the optations are passed.
|
|
*
|
|
* Initalized to the `captureLocations` which is passed
|
|
* from the generator. Other options can be added at runtime.
|
|
*/
|
|
yy.options = {
|
|
captureLocations: true
|
|
};
|
|
|
|
/**
|
|
* Parsing module.
|
|
*/
|
|
var yyparse = {
|
|
/**
|
|
* Sets global parsing options.
|
|
*/
|
|
setOptions: function setOptions(options) {
|
|
yy.options = options;
|
|
return this;
|
|
},
|
|
|
|
|
|
/**
|
|
* Returns parsing options.
|
|
*/
|
|
getOptions: function getOptions() {
|
|
return yy.options;
|
|
},
|
|
|
|
|
|
/**
|
|
* Parses a string.
|
|
*/
|
|
parse: function parse(string, parseOptions) {
|
|
if (!tokenizer) {
|
|
throw new Error('Tokenizer instance wasn\'t specified.');
|
|
}
|
|
|
|
tokenizer.initString(string);
|
|
|
|
/**
|
|
* If parse options are passed, override global parse options for
|
|
* this call, and later restore global options.
|
|
*/
|
|
var globalOptions = yy.options;
|
|
if (parseOptions) {
|
|
yy.options = Object.assign({}, yy.options, parseOptions);
|
|
}
|
|
|
|
/**
|
|
* Allow callers to do setup work based on the
|
|
* parsing string, and passed options.
|
|
*/
|
|
yyparse.onParseBegin(string, tokenizer, yy.options);
|
|
|
|
stack.length = 0;
|
|
stack.push(0);
|
|
|
|
var token = tokenizer.getNextToken();
|
|
var shiftedToken = null;
|
|
|
|
do {
|
|
if (!token) {
|
|
// Restore options.
|
|
yy.options = globalOptions;
|
|
unexpectedEndOfInput();
|
|
}
|
|
|
|
var state = stack[stack.length - 1];
|
|
var column = tokens[token.type];
|
|
|
|
if (!table[state].hasOwnProperty(column)) {
|
|
yy.options = globalOptions;
|
|
unexpectedToken(token);
|
|
}
|
|
|
|
var entry = table[state][column];
|
|
|
|
// Shift action.
|
|
if (entry[0] === 's') {
|
|
var _loc2 = null;
|
|
|
|
if (yy.options.captureLocations) {
|
|
_loc2 = {
|
|
startOffset: token.startOffset,
|
|
endOffset: token.endOffset,
|
|
startLine: token.startLine,
|
|
endLine: token.endLine,
|
|
startColumn: token.startColumn,
|
|
endColumn: token.endColumn
|
|
};
|
|
}
|
|
|
|
shiftedToken = this.onShift(token);
|
|
|
|
stack.push({ symbol: tokens[shiftedToken.type], semanticValue: shiftedToken.value, loc: _loc2 }, Number(entry.slice(1)));
|
|
|
|
token = tokenizer.getNextToken();
|
|
}
|
|
|
|
// Reduce action.
|
|
else if (entry[0] === 'r') {
|
|
var productionNumber = entry.slice(1);
|
|
var production = productions[productionNumber];
|
|
var hasSemanticAction = typeof production[2] === 'function';
|
|
var semanticValueArgs = hasSemanticAction ? [] : null;
|
|
|
|
var locationArgs = hasSemanticAction && yy.options.captureLocations ? [] : null;
|
|
|
|
if (production[1] !== 0) {
|
|
var rhsLength = production[1];
|
|
while (rhsLength-- > 0) {
|
|
stack.pop();
|
|
var stackEntry = stack.pop();
|
|
|
|
if (hasSemanticAction) {
|
|
semanticValueArgs.unshift(stackEntry.semanticValue);
|
|
|
|
if (locationArgs) {
|
|
locationArgs.unshift(stackEntry.loc);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
var reduceStackEntry = { symbol: production[0] };
|
|
|
|
if (hasSemanticAction) {
|
|
yytext = shiftedToken ? shiftedToken.value : null;
|
|
yyleng = shiftedToken ? shiftedToken.value.length : null;
|
|
|
|
var semanticActionArgs = locationArgs !== null ? semanticValueArgs.concat(locationArgs) : semanticValueArgs;
|
|
|
|
production[2].apply(production, _toConsumableArray(semanticActionArgs));
|
|
|
|
reduceStackEntry.semanticValue = __;
|
|
|
|
if (locationArgs) {
|
|
reduceStackEntry.loc = __loc;
|
|
}
|
|
}
|
|
|
|
var nextState = stack[stack.length - 1];
|
|
var symbolToReduceWith = production[0];
|
|
|
|
stack.push(reduceStackEntry, table[nextState][symbolToReduceWith]);
|
|
}
|
|
|
|
// Accept.
|
|
else if (entry === 'acc') {
|
|
stack.pop();
|
|
var parsed = stack.pop();
|
|
|
|
if (stack.length !== 1 || stack[0] !== 0 || tokenizer.hasMoreTokens()) {
|
|
// Restore options.
|
|
yy.options = globalOptions;
|
|
unexpectedToken(token);
|
|
}
|
|
|
|
if (parsed.hasOwnProperty('semanticValue')) {
|
|
yy.options = globalOptions;
|
|
yyparse.onParseEnd(parsed.semanticValue);
|
|
return parsed.semanticValue;
|
|
}
|
|
|
|
yyparse.onParseEnd();
|
|
|
|
// Restore options.
|
|
yy.options = globalOptions;
|
|
return true;
|
|
}
|
|
} while (tokenizer.hasMoreTokens() || stack.length > 1);
|
|
},
|
|
setTokenizer: function setTokenizer(customTokenizer) {
|
|
tokenizer = customTokenizer;
|
|
return yyparse;
|
|
},
|
|
getTokenizer: function getTokenizer() {
|
|
return tokenizer;
|
|
},
|
|
onParseBegin: function onParseBegin(string, tokenizer, options) {},
|
|
onParseEnd: function onParseEnd(parsed) {},
|
|
|
|
|
|
/**
|
|
* Allows analyzing, and transforming shifted token. Default implementation
|
|
* just passes the token through.
|
|
*/
|
|
onShift: function onShift(token) {
|
|
return token;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Tracks capturing groups.
|
|
*/
|
|
var capturingGroupsCount = 0;
|
|
|
|
/**
|
|
* Tracks named groups.
|
|
*/
|
|
var namedGroups = {};
|
|
|
|
/**
|
|
* Parsing string.
|
|
*/
|
|
var parsingString = '';
|
|
|
|
yyparse.onParseBegin = function (string, lexer) {
|
|
parsingString = string;
|
|
capturingGroupsCount = 0;
|
|
namedGroups = {};
|
|
|
|
var lastSlash = string.lastIndexOf('/');
|
|
var flags = string.slice(lastSlash);
|
|
|
|
if (flags.includes('x') && flags.includes('u')) {
|
|
lexer.pushState('xu');
|
|
} else {
|
|
if (flags.includes('x')) {
|
|
lexer.pushState('x');
|
|
}
|
|
if (flags.includes('u')) {
|
|
lexer.pushState('u');
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* On shifting `(` remember its number to used on reduce.
|
|
*/
|
|
yyparse.onShift = function (token) {
|
|
if (token.type === 'L_PAREN' || token.type === 'NAMED_CAPTURE_GROUP') {
|
|
token.value = new String(token.value);
|
|
token.value.groupNumber = ++capturingGroupsCount;
|
|
}
|
|
return token;
|
|
};
|
|
|
|
/**
|
|
* Extracts ranges from the range string.
|
|
*/
|
|
function getRange(text) {
|
|
var range = text.match(/\d+/g).map(Number);
|
|
|
|
if (Number.isFinite(range[1]) && range[1] < range[0]) {
|
|
throw new SyntaxError('Numbers out of order in ' + text + ' quantifier');
|
|
}
|
|
|
|
return range;
|
|
}
|
|
|
|
/**
|
|
* Checks class range
|
|
*/
|
|
function checkClassRange(from, to) {
|
|
if (from.kind === 'control' || to.kind === 'control' || !isNaN(from.codePoint) && !isNaN(to.codePoint) && from.codePoint > to.codePoint) {
|
|
throw new SyntaxError('Range ' + from.value + '-' + to.value + ' out of order in character class');
|
|
}
|
|
}
|
|
|
|
// ---------------------- Unicode property -------------------------------------------
|
|
|
|
var unicodeProperties = require('../unicode/parser-unicode-properties.js');
|
|
|
|
/**
|
|
* Unicode property.
|
|
*/
|
|
function UnicodeProperty(matched, loc) {
|
|
var negative = matched[1] === 'P';
|
|
var separatorIdx = matched.indexOf('=');
|
|
|
|
var name = matched.slice(3, separatorIdx !== -1 ? separatorIdx : -1);
|
|
var value = void 0;
|
|
|
|
// General_Category allows using only value as a shorthand.
|
|
var isShorthand = separatorIdx === -1 && unicodeProperties.isGeneralCategoryValue(name);
|
|
|
|
// Binary propery name.
|
|
var isBinaryProperty = separatorIdx === -1 && unicodeProperties.isBinaryPropertyName(name);
|
|
|
|
if (isShorthand) {
|
|
value = name;
|
|
name = 'General_Category';
|
|
} else if (isBinaryProperty) {
|
|
value = name;
|
|
} else {
|
|
if (!unicodeProperties.isValidName(name)) {
|
|
throw new SyntaxError('Invalid unicode property name: ' + name + '.');
|
|
}
|
|
|
|
value = matched.slice(separatorIdx + 1, -1);
|
|
|
|
if (!unicodeProperties.isValidValue(name, value)) {
|
|
throw new SyntaxError('Invalid ' + name + ' unicode property value: ' + value + '.');
|
|
}
|
|
}
|
|
|
|
return Node({
|
|
type: 'UnicodeProperty',
|
|
name: name,
|
|
value: value,
|
|
negative: negative,
|
|
shorthand: isShorthand,
|
|
binary: isBinaryProperty,
|
|
canonicalName: unicodeProperties.getCanonicalName(name) || name,
|
|
canonicalValue: unicodeProperties.getCanonicalValue(value) || value
|
|
}, loc);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------------
|
|
|
|
|
|
/**
|
|
* Creates a character node.
|
|
*/
|
|
function Char(value, kind, loc) {
|
|
var symbol = void 0;
|
|
var codePoint = void 0;
|
|
|
|
switch (kind) {
|
|
case 'decimal':
|
|
{
|
|
codePoint = Number(value.slice(1));
|
|
symbol = String.fromCodePoint(codePoint);
|
|
break;
|
|
}
|
|
case 'oct':
|
|
{
|
|
codePoint = parseInt(value.slice(1), 8);
|
|
symbol = String.fromCodePoint(codePoint);
|
|
break;
|
|
}
|
|
case 'hex':
|
|
case 'unicode':
|
|
{
|
|
if (value.lastIndexOf('\\u') > 0) {
|
|
var _value$split$slice = value.split('\\u').slice(1),
|
|
_value$split$slice2 = _slicedToArray(_value$split$slice, 2),
|
|
lead = _value$split$slice2[0],
|
|
trail = _value$split$slice2[1];
|
|
|
|
lead = parseInt(lead, 16);
|
|
trail = parseInt(trail, 16);
|
|
codePoint = (lead - 0xd800) * 0x400 + (trail - 0xdc00) + 0x10000;
|
|
|
|
symbol = String.fromCodePoint(codePoint);
|
|
} else {
|
|
var hex = value.slice(2).replace('{', '');
|
|
codePoint = parseInt(hex, 16);
|
|
if (codePoint > 0x10ffff) {
|
|
throw new SyntaxError('Bad character escape sequence: ' + value);
|
|
}
|
|
|
|
symbol = String.fromCodePoint(codePoint);
|
|
}
|
|
break;
|
|
}
|
|
case 'meta':
|
|
{
|
|
switch (value) {
|
|
case '\\t':
|
|
symbol = '\t';
|
|
codePoint = symbol.codePointAt(0);
|
|
break;
|
|
case '\\n':
|
|
symbol = '\n';
|
|
codePoint = symbol.codePointAt(0);
|
|
break;
|
|
case '\\r':
|
|
symbol = '\r';
|
|
codePoint = symbol.codePointAt(0);
|
|
break;
|
|
case '\\v':
|
|
symbol = '\v';
|
|
codePoint = symbol.codePointAt(0);
|
|
break;
|
|
case '\\f':
|
|
symbol = '\f';
|
|
codePoint = symbol.codePointAt(0);
|
|
break;
|
|
case '\\b':
|
|
symbol = '\b';
|
|
codePoint = symbol.codePointAt(0);
|
|
case '\\0':
|
|
symbol = '\0';
|
|
codePoint = 0;
|
|
case '.':
|
|
symbol = '.';
|
|
codePoint = NaN;
|
|
break;
|
|
default:
|
|
codePoint = NaN;
|
|
}
|
|
break;
|
|
}
|
|
case 'simple':
|
|
{
|
|
symbol = value;
|
|
codePoint = symbol.codePointAt(0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return Node({
|
|
type: 'Char',
|
|
value: value,
|
|
kind: kind,
|
|
symbol: symbol,
|
|
codePoint: codePoint
|
|
}, loc);
|
|
}
|
|
|
|
/**
|
|
* Valid flags per current ECMAScript spec and
|
|
* stage 3+ proposals.
|
|
*/
|
|
var validFlags = 'gimsuxy';
|
|
|
|
/**
|
|
* Checks the flags are valid, and that
|
|
* we don't duplicate flags.
|
|
*/
|
|
function checkFlags(flags) {
|
|
var seen = new Set();
|
|
|
|
var _iteratorNormalCompletion = true;
|
|
var _didIteratorError = false;
|
|
var _iteratorError = undefined;
|
|
|
|
try {
|
|
for (var _iterator = flags[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
|
|
var flag = _step.value;
|
|
|
|
if (seen.has(flag) || !validFlags.includes(flag)) {
|
|
throw new SyntaxError('Invalid flags: ' + flags);
|
|
}
|
|
seen.add(flag);
|
|
}
|
|
} catch (err) {
|
|
_didIteratorError = true;
|
|
_iteratorError = err;
|
|
} finally {
|
|
try {
|
|
if (!_iteratorNormalCompletion && _iterator.return) {
|
|
_iterator.return();
|
|
}
|
|
} finally {
|
|
if (_didIteratorError) {
|
|
throw _iteratorError;
|
|
}
|
|
}
|
|
}
|
|
|
|
return flags.split('').sort().join('');
|
|
}
|
|
|
|
/**
|
|
* Parses patterns like \1, \2, etc. either as a backreference
|
|
* to a group, or a deciaml char code.
|
|
*/
|
|
function GroupRefOrDecChar(text, textLoc) {
|
|
var reference = Number(text.slice(1));
|
|
|
|
if (reference > 0 && reference <= capturingGroupsCount) {
|
|
return Node({
|
|
type: 'Backreference',
|
|
kind: 'number',
|
|
number: reference,
|
|
reference: reference
|
|
}, textLoc);
|
|
}
|
|
|
|
return Char(text, 'decimal', textLoc);
|
|
}
|
|
|
|
/**
|
|
* Unicode names.
|
|
*/
|
|
var uRe = /^\\u[0-9a-fA-F]{4}/;
|
|
var ucpRe = /^\\u\{[0-9a-fA-F]{1,}\}/;
|
|
|
|
/**
|
|
* Validates Unicode group name.
|
|
*/
|
|
function validateUnicodeGroupName(name, state) {
|
|
var isUnicodeName = uRe.test(name) || ucpRe.test(name);
|
|
var isUnicodeState = state === 'u' || state === 'xu' || state === 'u_class';
|
|
|
|
if (isUnicodeName && !isUnicodeState) {
|
|
throw new SyntaxError('invalid group Unicode name "' + name + '", use `u` flag.');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Extracts from `\k<foo>` pattern either a backreference
|
|
* to a named capturing group (if it presents), or parses it
|
|
* as a list of char: `\k`, `<`, `f`, etc.
|
|
*/
|
|
function NamedGroupRefOrChars(text, textLoc) {
|
|
var groupName = text.slice(3, -1);
|
|
|
|
if (namedGroups.hasOwnProperty(groupName)) {
|
|
return Node({
|
|
type: 'Backreference',
|
|
kind: 'name',
|
|
number: namedGroups[groupName],
|
|
reference: groupName
|
|
}, textLoc);
|
|
}
|
|
|
|
// Else `\k<foo>` should be parsed as a list of `Char`s.
|
|
// This is really a 0.01% edge case, but we should handle it.
|
|
|
|
var startOffset = null;
|
|
var startLine = null;
|
|
var endLine = null;
|
|
var startColumn = null;
|
|
|
|
if (textLoc) {
|
|
startOffset = textLoc.startOffset;
|
|
startLine = textLoc.startLine;
|
|
endLine = textLoc.endLine;
|
|
startColumn = textLoc.startColumn;
|
|
}
|
|
|
|
var charRe = /^[\w$<>]/;
|
|
var loc = void 0;
|
|
|
|
var chars = [
|
|
// Init to first \k, taking 2 symbols.
|
|
Char(text.slice(1, 2), 'simple', startOffset ? {
|
|
startLine: startLine,
|
|
endLine: endLine,
|
|
startColumn: startColumn,
|
|
startOffset: startOffset,
|
|
endOffset: startOffset += 2,
|
|
endColumn: startColumn += 2
|
|
} : null)];
|
|
|
|
// For \k
|
|
chars[0].escaped = true;
|
|
|
|
// Other symbols.
|
|
text = text.slice(2);
|
|
|
|
while (text.length > 0) {
|
|
var matched = null;
|
|
|
|
// Unicode, \u003B or \u{003B}
|
|
if ((matched = text.match(uRe)) || (matched = text.match(ucpRe))) {
|
|
if (startOffset) {
|
|
loc = {
|
|
startLine: startLine,
|
|
endLine: endLine,
|
|
startColumn: startColumn,
|
|
startOffset: startOffset,
|
|
endOffset: startOffset += matched[0].length,
|
|
endColumn: startColumn += matched[0].length
|
|
};
|
|
}
|
|
chars.push(Char(matched[0], 'unicode', loc));
|
|
text = text.slice(matched[0].length);
|
|
}
|
|
|
|
// Simple char.
|
|
else if (matched = text.match(charRe)) {
|
|
if (startOffset) {
|
|
loc = {
|
|
startLine: startLine,
|
|
endLine: endLine,
|
|
startColumn: startColumn,
|
|
startOffset: startOffset,
|
|
endOffset: ++startOffset,
|
|
endColumn: ++startColumn
|
|
};
|
|
}
|
|
chars.push(Char(matched[0], 'simple', loc));
|
|
text = text.slice(1);
|
|
}
|
|
}
|
|
|
|
return chars;
|
|
}
|
|
|
|
/**
|
|
* Creates an AST node with a location.
|
|
*/
|
|
function Node(node, loc) {
|
|
if (yy.options.captureLocations) {
|
|
node.loc = {
|
|
source: parsingString.slice(loc.startOffset, loc.endOffset),
|
|
start: {
|
|
line: loc.startLine,
|
|
column: loc.startColumn,
|
|
offset: loc.startOffset
|
|
},
|
|
end: {
|
|
line: loc.endLine,
|
|
column: loc.endColumn,
|
|
offset: loc.endOffset
|
|
}
|
|
};
|
|
}
|
|
return node;
|
|
}
|
|
|
|
/**
|
|
* Creates location node.
|
|
*/
|
|
function loc(start, end) {
|
|
if (!yy.options.captureLocations) {
|
|
return null;
|
|
}
|
|
|
|
return {
|
|
startOffset: start.startOffset,
|
|
endOffset: end.endOffset,
|
|
startLine: start.startLine,
|
|
endLine: end.endLine,
|
|
startColumn: start.startColumn,
|
|
endColumn: end.endColumn
|
|
};
|
|
}
|
|
|
|
function unexpectedToken(token) {
|
|
if (token.type === EOF) {
|
|
unexpectedEndOfInput();
|
|
}
|
|
|
|
tokenizer.throwUnexpectedToken(token.value, token.startLine, token.startColumn);
|
|
}
|
|
|
|
function unexpectedEndOfInput() {
|
|
parseError('Unexpected end of input.');
|
|
}
|
|
|
|
function parseError(message) {
|
|
throw new SyntaxError(message);
|
|
}
|
|
|
|
module.exports = yyparse; |