Add capacitorjs runtime

node_modules/chevrotain/lib/src/api.js

@@ -0,0 +1,79 @@
+"use strict";
+/* istanbul ignore file - tricky to import some things from this module during testing */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Parser = exports.generateParserModule = exports.generateParserFactory = exports.createSyntaxDiagramsCode = exports.clearCache = exports.validateGrammar = exports.resolveGrammar = exports.assignOccurrenceIndices = exports.GAstVisitor = exports.serializeProduction = exports.serializeGrammar = exports.Terminal = exports.Rule = exports.RepetitionWithSeparator = exports.RepetitionMandatoryWithSeparator = exports.RepetitionMandatory = exports.Repetition = exports.Option = exports.NonTerminal = exports.Alternative = exports.Alternation = exports.defaultLexerErrorProvider = exports.NoViableAltException = exports.NotAllInputParsedException = exports.MismatchedTokenException = exports.isRecognitionException = exports.EarlyExitException = exports.defaultParserErrorProvider = exports.defaultGrammarValidatorErrorProvider = exports.defaultGrammarResolverErrorProvider = exports.tokenName = exports.tokenMatcher = exports.tokenLabel = exports.EOF = exports.createTokenInstance = exports.createToken = exports.LexerDefinitionErrorType = exports.Lexer = exports.EMPTY_ALT = exports.ParserDefinitionErrorType = exports.EmbeddedActionsParser = exports.CstParser = exports.VERSION = void 0;
+// semantic version
+var version_1 = require("./version");
+Object.defineProperty(exports, "VERSION", { enumerable: true, get: function () { return version_1.VERSION; } });
+var parser_1 = require("./parse/parser/parser");
+Object.defineProperty(exports, "CstParser", { enumerable: true, get: function () { return parser_1.CstParser; } });
+Object.defineProperty(exports, "EmbeddedActionsParser", { enumerable: true, get: function () { return parser_1.EmbeddedActionsParser; } });
+Object.defineProperty(exports, "ParserDefinitionErrorType", { enumerable: true, get: function () { return parser_1.ParserDefinitionErrorType; } });
+Object.defineProperty(exports, "EMPTY_ALT", { enumerable: true, get: function () { return parser_1.EMPTY_ALT; } });
+var lexer_public_1 = require("./scan/lexer_public");
+Object.defineProperty(exports, "Lexer", { enumerable: true, get: function () { return lexer_public_1.Lexer; } });
+Object.defineProperty(exports, "LexerDefinitionErrorType", { enumerable: true, get: function () { return lexer_public_1.LexerDefinitionErrorType; } });
+// Tokens utilities
+var tokens_public_1 = require("./scan/tokens_public");
+Object.defineProperty(exports, "createToken", { enumerable: true, get: function () { return tokens_public_1.createToken; } });
+Object.defineProperty(exports, "createTokenInstance", { enumerable: true, get: function () { return tokens_public_1.createTokenInstance; } });
+Object.defineProperty(exports, "EOF", { enumerable: true, get: function () { return tokens_public_1.EOF; } });
+Object.defineProperty(exports, "tokenLabel", { enumerable: true, get: function () { return tokens_public_1.tokenLabel; } });
+Object.defineProperty(exports, "tokenMatcher", { enumerable: true, get: function () { return tokens_public_1.tokenMatcher; } });
+Object.defineProperty(exports, "tokenName", { enumerable: true, get: function () { return tokens_public_1.tokenName; } });
+// Other Utilities
+var errors_public_1 = require("./parse/errors_public");
+Object.defineProperty(exports, "defaultGrammarResolverErrorProvider", { enumerable: true, get: function () { return errors_public_1.defaultGrammarResolverErrorProvider; } });
+Object.defineProperty(exports, "defaultGrammarValidatorErrorProvider", { enumerable: true, get: function () { return errors_public_1.defaultGrammarValidatorErrorProvider; } });
+Object.defineProperty(exports, "defaultParserErrorProvider", { enumerable: true, get: function () { return errors_public_1.defaultParserErrorProvider; } });
+var exceptions_public_1 = require("./parse/exceptions_public");
+Object.defineProperty(exports, "EarlyExitException", { enumerable: true, get: function () { return exceptions_public_1.EarlyExitException; } });
+Object.defineProperty(exports, "isRecognitionException", { enumerable: true, get: function () { return exceptions_public_1.isRecognitionException; } });
+Object.defineProperty(exports, "MismatchedTokenException", { enumerable: true, get: function () { return exceptions_public_1.MismatchedTokenException; } });
+Object.defineProperty(exports, "NotAllInputParsedException", { enumerable: true, get: function () { return exceptions_public_1.NotAllInputParsedException; } });
+Object.defineProperty(exports, "NoViableAltException", { enumerable: true, get: function () { return exceptions_public_1.NoViableAltException; } });
+var lexer_errors_public_1 = require("./scan/lexer_errors_public");
+Object.defineProperty(exports, "defaultLexerErrorProvider", { enumerable: true, get: function () { return lexer_errors_public_1.defaultLexerErrorProvider; } });
+// grammar reflection API
+var gast_public_1 = require("./parse/grammar/gast/gast_public");
+Object.defineProperty(exports, "Alternation", { enumerable: true, get: function () { return gast_public_1.Alternation; } });
+Object.defineProperty(exports, "Alternative", { enumerable: true, get: function () { return gast_public_1.Alternative; } });
+Object.defineProperty(exports, "NonTerminal", { enumerable: true, get: function () { return gast_public_1.NonTerminal; } });
+Object.defineProperty(exports, "Option", { enumerable: true, get: function () { return gast_public_1.Option; } });
+Object.defineProperty(exports, "Repetition", { enumerable: true, get: function () { return gast_public_1.Repetition; } });
+Object.defineProperty(exports, "RepetitionMandatory", { enumerable: true, get: function () { return gast_public_1.RepetitionMandatory; } });
+Object.defineProperty(exports, "RepetitionMandatoryWithSeparator", { enumerable: true, get: function () { return gast_public_1.RepetitionMandatoryWithSeparator; } });
+Object.defineProperty(exports, "RepetitionWithSeparator", { enumerable: true, get: function () { return gast_public_1.RepetitionWithSeparator; } });
+Object.defineProperty(exports, "Rule", { enumerable: true, get: function () { return gast_public_1.Rule; } });
+Object.defineProperty(exports, "Terminal", { enumerable: true, get: function () { return gast_public_1.Terminal; } });
+// GAST Utilities
+var gast_public_2 = require("./parse/grammar/gast/gast_public");
+Object.defineProperty(exports, "serializeGrammar", { enumerable: true, get: function () { return gast_public_2.serializeGrammar; } });
+Object.defineProperty(exports, "serializeProduction", { enumerable: true, get: function () { return gast_public_2.serializeProduction; } });
+var gast_visitor_public_1 = require("./parse/grammar/gast/gast_visitor_public");
+Object.defineProperty(exports, "GAstVisitor", { enumerable: true, get: function () { return gast_visitor_public_1.GAstVisitor; } });
+var gast_resolver_public_1 = require("./parse/grammar/gast/gast_resolver_public");
+Object.defineProperty(exports, "assignOccurrenceIndices", { enumerable: true, get: function () { return gast_resolver_public_1.assignOccurrenceIndices; } });
+Object.defineProperty(exports, "resolveGrammar", { enumerable: true, get: function () { return gast_resolver_public_1.resolveGrammar; } });
+Object.defineProperty(exports, "validateGrammar", { enumerable: true, get: function () { return gast_resolver_public_1.validateGrammar; } });
+/* istanbul ignore next */
+function clearCache() {
+    console.warn("The clearCache function was 'soft' removed from the Chevrotain API." +
+        "\n\t It performs no action other than printing this message." +
+        "\n\t Please avoid using it as it will be completely removed in the future");
+}
+exports.clearCache = clearCache;
+var render_public_1 = require("./diagrams/render_public");
+Object.defineProperty(exports, "createSyntaxDiagramsCode", { enumerable: true, get: function () { return render_public_1.createSyntaxDiagramsCode; } });
+var generate_public_1 = require("./generate/generate_public");
+Object.defineProperty(exports, "generateParserFactory", { enumerable: true, get: function () { return generate_public_1.generateParserFactory; } });
+Object.defineProperty(exports, "generateParserModule", { enumerable: true, get: function () { return generate_public_1.generateParserModule; } });
+var Parser = /** @class */ (function () {
+    function Parser() {
+        throw new Error("The Parser class has been deprecated, use CstParser or EmbeddedActionsParser instead.\t\n" +
+            "See: https://sap.github.io/chevrotain/docs/changes/BREAKING_CHANGES.html#_7-0-0");
+    }
+    return Parser;
+}());
+exports.Parser = Parser;
+//# sourceMappingURL=api.js.map

node_modules/chevrotain/lib/src/api.js.map

@@ -0,0 +1 @@
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node_modules/chevrotain/lib/src/diagrams/render_public.js

@@ -0,0 +1,16 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.createSyntaxDiagramsCode = void 0;
+var version_1 = require("../version");
+function createSyntaxDiagramsCode(grammar, _a) {
+    var _b = _a === void 0 ? {} : _a, _c = _b.resourceBase, resourceBase = _c === void 0 ? "https://unpkg.com/chevrotain@" + version_1.VERSION + "/diagrams/" : _c, _d = _b.css, css = _d === void 0 ? "https://unpkg.com/chevrotain@" + version_1.VERSION + "/diagrams/diagrams.css" : _d;
+    var header = "\n<!-- This is a generated file -->\n<!DOCTYPE html>\n<meta charset=\"utf-8\">\n<style>\n  body {\n    background-color: hsl(30, 20%, 95%)\n  }\n</style>\n\n";
+    var cssHtml = "\n<link rel='stylesheet' href='" + css + "'>\n";
+    var scripts = "\n<script src='" + resourceBase + "vendor/railroad-diagrams.js'></script>\n<script src='" + resourceBase + "src/diagrams_builder.js'></script>\n<script src='" + resourceBase + "src/diagrams_behavior.js'></script>\n<script src='" + resourceBase + "src/main.js'></script>\n";
+    var diagramsDiv = "\n<div id=\"diagrams\" align=\"center\"></div>    \n";
+    var serializedGrammar = "\n<script>\n    window.serializedGrammar = " + JSON.stringify(grammar, null, "  ") + ";\n</script>\n";
+    var initLogic = "\n<script>\n    var diagramsDiv = document.getElementById(\"diagrams\");\n    main.drawDiagramsFromSerializedGrammar(serializedGrammar, diagramsDiv);\n</script>\n";
+    return (header + cssHtml + scripts + diagramsDiv + serializedGrammar + initLogic);
+}
+exports.createSyntaxDiagramsCode = createSyntaxDiagramsCode;
+//# sourceMappingURL=render_public.js.map

node_modules/chevrotain/lib/src/diagrams/render_public.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"render_public.js","sourceRoot":"","sources":["../../../src/diagrams/render_public.ts"],"names":[],"mappings":";;;AAAA,sCAAoC;AAGpC,SAAgB,wBAAwB,CACtC,OAA0B,EAC1B,EAMM;QANN,qBAMI,EAAE,KAAA,EALJ,oBAAkE,EAAlE,YAAY,mBAAG,kCAAgC,iBAAO,eAAY,KAAA,EAClE,WAAqE,EAArE,GAAG,mBAAG,kCAAgC,iBAAO,2BAAwB,KAAA;IAMvE,IAAM,MAAM,GAAG,+JAUhB,CAAA;IACC,IAAM,OAAO,GAAG,oCACa,GAAG,SACjC,CAAA;IAEC,IAAM,OAAO,GAAG,oBACH,YAAY,6DACZ,YAAY,yDACZ,YAAY,0DACZ,YAAY,6BAC1B,CAAA;IACC,IAAM,WAAW,GAAG,sDAErB,CAAA;IACC,IAAM,iBAAiB,GAAG,gDAEK,IAAI,CAAC,SAAS,CAAC,OAAO,EAAE,IAAI,EAAE,IAAI,CAAC,mBAEnE,CAAA;IAEC,IAAM,SAAS,GAAG,oKAKnB,CAAA;IACC,OAAO,CACL,MAAM,GAAG,OAAO,GAAG,OAAO,GAAG,WAAW,GAAG,iBAAiB,GAAG,SAAS,CACzE,CAAA;AACH,CAAC;AAjDD,4DAiDC"}

node_modules/chevrotain/lib/src/generate/generate.js

@@ -0,0 +1,133 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.genSingleAlt = exports.genAlternation = exports.genNonTerminal = exports.genTerminal = exports.genRule = exports.genAllRules = exports.genClass = exports.genWrapperFunction = exports.genUmdModule = void 0;
+var utils_1 = require("../utils/utils");
+var gast_public_1 = require("../parse/grammar/gast/gast_public");
+/**
+ * Missing features
+ * 1. Rule arguments
+ * 2. Gates
+ * 3. embedded actions
+ */
+var NL = "\n";
+function genUmdModule(options) {
+    return "\n(function (root, factory) {\n    if (typeof define === 'function' && define.amd) {\n        // AMD. Register as an anonymous module.\n        define(['chevrotain'], factory);\n    } else if (typeof module === 'object' && module.exports) {\n        // Node. Does not work with strict CommonJS, but\n        // only CommonJS-like environments that support module.exports,\n        // like Node.\n        module.exports = factory(require('chevrotain'));\n    } else {\n        // Browser globals (root is window)\n        root.returnExports = factory(root.b);\n    }\n}(typeof self !== 'undefined' ? self : this, function (chevrotain) {\n\n" + genClass(options) + "\n    \nreturn {\n    " + options.name + ": " + options.name + " \n}\n}));\n";
+}
+exports.genUmdModule = genUmdModule;
+function genWrapperFunction(options) {
+    return "    \n" + genClass(options) + "\nreturn new " + options.name + "(tokenVocabulary, config)    \n";
+}
+exports.genWrapperFunction = genWrapperFunction;
+function genClass(options) {
+    // TODO: how to pass the token vocabulary? Constructor? other?
+    var result = "\nfunction " + options.name + "(tokenVocabulary, config) {\n    // invoke super constructor\n    // No support for embedded actions currently, so we can 'hardcode'\n    // The use of CstParser.\n    chevrotain.CstParser.call(this, tokenVocabulary, config)\n\n    const $ = this\n\n    " + genAllRules(options.rules) + "\n\n    // very important to call this after all the rules have been defined.\n    // otherwise the parser may not work correctly as it will lack information\n    // derived during the self analysis phase.\n    this.performSelfAnalysis(this)\n}\n\n// inheritance as implemented in javascript in the previous decade... :(\n" + options.name + ".prototype = Object.create(chevrotain.CstParser.prototype)\n" + options.name + ".prototype.constructor = " + options.name + "    \n    ";
+    return result;
+}
+exports.genClass = genClass;
+function genAllRules(rules) {
+    var rulesText = utils_1.map(rules, function (currRule) {
+        return genRule(currRule, 1);
+    });
+    return rulesText.join("\n");
+}
+exports.genAllRules = genAllRules;
+function genRule(prod, n) {
+    var result = indent(n, "$.RULE(\"" + prod.name + "\", function() {") + NL;
+    result += genDefinition(prod.definition, n + 1);
+    result += indent(n + 1, "})") + NL;
+    return result;
+}
+exports.genRule = genRule;
+function genTerminal(prod, n) {
+    var name = prod.terminalType.name;
+    // TODO: potential performance optimization, avoid tokenMap Dictionary access
+    return indent(n, "$.CONSUME" + prod.idx + "(this.tokensMap." + name + ")" + NL);
+}
+exports.genTerminal = genTerminal;
+function genNonTerminal(prod, n) {
+    return indent(n, "$.SUBRULE" + prod.idx + "($." + prod.nonTerminalName + ")" + NL);
+}
+exports.genNonTerminal = genNonTerminal;
+function genAlternation(prod, n) {
+    var result = indent(n, "$.OR" + prod.idx + "([") + NL;
+    var alts = utils_1.map(prod.definition, function (altDef) { return genSingleAlt(altDef, n + 1); });
+    result += alts.join("," + NL);
+    result += NL + indent(n, "])" + NL);
+    return result;
+}
+exports.genAlternation = genAlternation;
+function genSingleAlt(prod, n) {
+    var result = indent(n, "{") + NL;
+    result += indent(n + 1, "ALT: function() {") + NL;
+    result += genDefinition(prod.definition, n + 1);
+    result += indent(n + 1, "}") + NL;
+    result += indent(n, "}");
+    return result;
+}
+exports.genSingleAlt = genSingleAlt;
+function genProd(prod, n) {
+    /* istanbul ignore else */
+    if (prod instanceof gast_public_1.NonTerminal) {
+        return genNonTerminal(prod, n);
+    }
+    else if (prod instanceof gast_public_1.Option) {
+        return genDSLRule("OPTION", prod, n);
+    }
+    else if (prod instanceof gast_public_1.RepetitionMandatory) {
+        return genDSLRule("AT_LEAST_ONE", prod, n);
+    }
+    else if (prod instanceof gast_public_1.RepetitionMandatoryWithSeparator) {
+        return genDSLRule("AT_LEAST_ONE_SEP", prod, n);
+    }
+    else if (prod instanceof gast_public_1.RepetitionWithSeparator) {
+        return genDSLRule("MANY_SEP", prod, n);
+    }
+    else if (prod instanceof gast_public_1.Repetition) {
+        return genDSLRule("MANY", prod, n);
+    }
+    else if (prod instanceof gast_public_1.Alternation) {
+        return genAlternation(prod, n);
+    }
+    else if (prod instanceof gast_public_1.Terminal) {
+        return genTerminal(prod, n);
+    }
+    else if (prod instanceof gast_public_1.Alternative) {
+        return genDefinition(prod.definition, n);
+    }
+    else {
+        throw Error("non exhaustive match");
+    }
+}
+function genDSLRule(dslName, prod, n) {
+    var result = indent(n, "$." + (dslName + prod.idx) + "(");
+    if (prod.separator) {
+        result += "{" + NL;
+        result +=
+            indent(n + 1, "SEP: this.tokensMap." + prod.separator.name) + "," + NL;
+        result += "DEF: " + genDefFunction(prod.definition, n + 2) + NL;
+        result += indent(n, "}") + NL;
+    }
+    else {
+        result += genDefFunction(prod.definition, n + 1);
+    }
+    result += indent(n, ")") + NL;
+    return result;
+}
+function genDefFunction(definition, n) {
+    var def = "function() {" + NL;
+    def += genDefinition(definition, n);
+    def += indent(n, "}") + NL;
+    return def;
+}
+function genDefinition(def, n) {
+    var result = "";
+    utils_1.forEach(def, function (prod) {
+        result += genProd(prod, n + 1);
+    });
+    return result;
+}
+function indent(howMuch, text) {
+    var spaces = Array(howMuch * 4 + 1).join(" ");
+    return spaces + text;
+}
+//# sourceMappingURL=generate.js.map

node_modules/chevrotain/lib/src/generate/generate.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"generate.js","sourceRoot":"","sources":["../../../src/generate/generate.ts"],"names":[],"mappings":";;;AAAA,wCAA6C;AAC7C,iEAU0C;AAG1C;;;;;GAKG;AAEH,IAAM,EAAE,GAAG,IAAI,CAAA;AAEf,SAAgB,YAAY,CAAC,OAAwC;IACnE,OAAO,ooBAgBP,QAAQ,CAAC,OAAO,CAAC,8BAGb,OAAO,CAAC,IAAI,UAAK,OAAO,CAAC,IAAI,iBAGlC,CAAA;AACD,CAAC;AAxBD,oCAwBC;AAED,SAAgB,kBAAkB,CAAC,OAGlC;IACC,OAAO,WACP,QAAQ,CAAC,OAAO,CAAC,qBACN,OAAO,CAAC,IAAI,oCACxB,CAAA;AACD,CAAC;AARD,gDAQC;AAED,SAAgB,QAAQ,CAAC,OAAwC;IAC/D,8DAA8D;IAC9D,IAAI,MAAM,GAAG,gBACJ,OAAO,CAAC,IAAI,sQAQjB,WAAW,CAAC,OAAO,CAAC,KAAK,CAAC,0UAS9B,OAAO,CAAC,IAAI,oEACZ,OAAO,CAAC,IAAI,iCAA4B,OAAO,CAAC,IAAI,eACjD,CAAA;IAEH,OAAO,MAAM,CAAA;AACf,CAAC;AAzBD,4BAyBC;AAED,SAAgB,WAAW,CAAC,KAAa;IACvC,IAAI,SAAS,GAAG,WAAG,CAAC,KAAK,EAAE,UAAC,QAAQ;QAClC,OAAO,OAAO,CAAC,QAAQ,EAAE,CAAC,CAAC,CAAA;IAC7B,CAAC,CAAC,CAAA;IAEF,OAAO,SAAS,CAAC,IAAI,CAAC,IAAI,CAAC,CAAA;AAC7B,CAAC;AAND,kCAMC;AAED,SAAgB,OAAO,CAAC,IAAU,EAAE,CAAS;IAC3C,IAAI,MAAM,GAAG,MAAM,CAAC,CAAC,EAAE,cAAW,IAAI,CAAC,IAAI,qBAAiB,CAAC,GAAG,EAAE,CAAA;IAClE,MAAM,IAAI,aAAa,CAAC,IAAI,CAAC,UAAU,EAAE,CAAC,GAAG,CAAC,CAAC,CAAA;IAC/C,MAAM,IAAI,MAAM,CAAC,CAAC,GAAG,CAAC,EAAE,IAAI,CAAC,GAAG,EAAE,CAAA;IAClC,OAAO,MAAM,CAAA;AACf,CAAC;AALD,0BAKC;AAED,SAAgB,WAAW,CAAC,IAAc,EAAE,CAAS;IACnD,IAAM,IAAI,GAAG,IAAI,CAAC,YAAY,CAAC,IAAI,CAAA;IACnC,6EAA6E;IAC7E,OAAO,MAAM,CAAC,CAAC,EAAE,cAAY,IAAI,CAAC,GAAG,wBAAmB,IAAI,MAAG,GAAG,EAAE,CAAC,CAAA;AACvE,CAAC;AAJD,kCAIC;AAED,SAAgB,cAAc,CAAC,IAAiB,EAAE,CAAS;IACzD,OAAO,MAAM,CAAC,CAAC,EAAE,cAAY,IAAI,CAAC,GAAG,WAAM,IAAI,CAAC,eAAe,MAAG,GAAG,EAAE,CAAC,CAAA;AAC1E,CAAC;AAFD,wCAEC;AAED,SAAgB,cAAc,CAAC,IAAiB,EAAE,CAAS;IACzD,IAAI,MAAM,GAAG,MAAM,CAAC,CAAC,EAAE,SAAO,IAAI,CAAC,GAAG,OAAI,CAAC,GAAG,EAAE,CAAA;IAChD,IAAM,IAAI,GAAG,WAAG,CAAC,IAAI,CAAC,UAAU,EAAE,UAAC,MAAM,IAAK,OAAA,YAAY,CAAC,MAAM,EAAE,CAAC,GAAG,CAAC,CAAC,EAA3B,CAA2B,CAAC,CAAA;IAC1E,MAAM,IAAI,IAAI,CAAC,IAAI,CAAC,GAAG,GAAG,EAAE,CAAC,CAAA;IAC7B,MAAM,IAAI,EAAE,GAAG,MAAM,CAAC,CAAC,EAAE,IAAI,GAAG,EAAE,CAAC,CAAA;IACnC,OAAO,MAAM,CAAA;AACf,CAAC;AAND,wCAMC;AAED,SAAgB,YAAY,CAAC,IAAiB,EAAE,CAAS;IACvD,IAAI,MAAM,GAAG,MAAM,CAAC,CAAC,EAAE,GAAG,CAAC,GAAG,EAAE,CAAA;IAEhC,MAAM,IAAI,MAAM,CAAC,CAAC,GAAG,CAAC,EAAE,mBAAmB,CAAC,GAAG,EAAE,CAAA;IACjD,MAAM,IAAI,aAAa,CAAC,IAAI,CAAC,UAAU,EAAE,CAAC,GAAG,CAAC,CAAC,CAAA;IAC/C,MAAM,IAAI,MAAM,CAAC,CAAC,GAAG,CAAC,EAAE,GAAG,CAAC,GAAG,EAAE,CAAA;IACjC,MAAM,IAAI,MAAM,CAAC,CAAC,EAAE,GAAG,CAAC,CAAA;IAExB,OAAO,MAAM,CAAA;AACf,CAAC;AATD,oCASC;AAED,SAAS,OAAO,CAAC,IAAiB,EAAE,CAAS;IAC3C,0BAA0B;IAC1B,IAAI,IAAI,YAAY,yBAAW,EAAE;QAC/B,OAAO,cAAc,CAAC,IAAI,EAAE,CAAC,CAAC,CAAA;KAC/B;SAAM,IAAI,IAAI,YAAY,oBAAM,EAAE;QACjC,OAAO,UAAU,CAAC,QAAQ,EAAE,IAAI,EAAE,CAAC,CAAC,CAAA;KACrC;SAAM,IAAI,IAAI,YAAY,iCAAmB,EAAE;QAC9C,OAAO,UAAU,CAAC,cAAc,EAAE,IAAI,EAAE,CAAC,CAAC,CAAA;KAC3C;SAAM,IAAI,IAAI,YAAY,8CAAgC,EAAE;QAC3D,OAAO,UAAU,CAAC,kBAAkB,EAAE,IAAI,EAAE,CAAC,CAAC,CAAA;KAC/C;SAAM,IAAI,IAAI,YAAY,qCAAuB,EAAE;QAClD,OAAO,UAAU,CAAC,UAAU,EAAE,IAAI,EAAE,CAAC,CAAC,CAAA;KACvC;SAAM,IAAI,IAAI,YAAY,wBAAU,EAAE;QACrC,OAAO,UAAU,CAAC,MAAM,EAAE,IAAI,EAAE,CAAC,CAAC,CAAA;KACnC;SAAM,IAAI,IAAI,YAAY,yBAAW,EAAE;QACtC,OAAO,cAAc,CAAC,IAAI,EAAE,CAAC,CAAC,CAAA;KAC/B;SAAM,IAAI,IAAI,YAAY,sBAAQ,EAAE;QACnC,OAAO,WAAW,CAAC,IAAI,EAAE,CAAC,CAAC,CAAA;KAC5B;SAAM,IAAI,IAAI,YAAY,yBAAW,EAAE;QACtC,OAAO,aAAa,CAAC,IAAI,CAAC,UAAU,EAAE,CAAC,CAAC,CAAA;KACzC;SAAM;QACL,MAAM,KAAK,CAAC,sBAAsB,CAAC,CAAA;KACpC;AACH,CAAC;AAED,SAAS,UAAU,CACjB,OAAO,EACP,IAIC,EACD,CAAS;IAET,IAAI,MAAM,GAAG,MAAM,CAAC,CAAC,EAAE,QAAK,OAAO,GAAG,IAAI,CAAC,GAAG,OAAG,CAAC,CAAA;IAElD,IAAI,IAAI,CAAC,SAAS,EAAE;QAClB,MAAM,IAAI,GAAG,GAAG,EAAE,CAAA;QAClB,MAAM;YACJ,MAAM,CAAC,CAAC,GAAG,CAAC,EAAE,yBAAuB,IAAI,CAAC,SAAS,CAAC,IAAM,CAAC,GAAG,GAAG,GAAG,EAAE,CAAA;QACxE,MAAM,IAAI,UAAQ,cAAc,CAAC,IAAI,CAAC,UAAU,EAAE,CAAC,GAAG,CAAC,CAAG,GAAG,EAAE,CAAA;QAC/D,MAAM,IAAI,MAAM,CAAC,CAAC,EAAE,GAAG,CAAC,GAAG,EAAE,CAAA;KAC9B;SAAM;QACL,MAAM,IAAI,cAAc,CAAC,IAAI,CAAC,UAAU,EAAE,CAAC,GAAG,CAAC,CAAC,CAAA;KACjD;IAED,MAAM,IAAI,MAAM,CAAC,CAAC,EAAE,GAAG,CAAC,GAAG,EAAE,CAAA;IAC7B,OAAO,MAAM,CAAA;AACf,CAAC;AAED,SAAS,cAAc,CAAC,UAAyB,EAAE,CAAS;IAC1D,IAAI,GAAG,GAAG,cAAc,GAAG,EAAE,CAAA;IAC7B,GAAG,IAAI,aAAa,CAAC,UAAU,EAAE,CAAC,CAAC,CAAA;IACnC,GAAG,IAAI,MAAM,CAAC,CAAC,EAAE,GAAG,CAAC,GAAG,EAAE,CAAA;IAC1B,OAAO,GAAG,CAAA;AACZ,CAAC;AAED,SAAS,aAAa,CAAC,GAAkB,EAAE,CAAS;IAClD,IAAI,MAAM,GAAG,EAAE,CAAA;IACf,eAAO,CAAC,GAAG,EAAE,UAAC,IAAI;QAChB,MAAM,IAAI,OAAO,CAAC,IAAI,EAAE,CAAC,GAAG,CAAC,CAAC,CAAA;IAChC,CAAC,CAAC,CAAA;IACF,OAAO,MAAM,CAAA;AACf,CAAC;AAED,SAAS,MAAM,CAAC,OAAe,EAAE,IAAY;IAC3C,IAAM,MAAM,GAAG,KAAK,CAAC,OAAO,GAAG,CAAC,GAAG,CAAC,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,CAAA;IAC/C,OAAO,MAAM,GAAG,IAAI,CAAA;AACtB,CAAC"}

node_modules/chevrotain/lib/src/generate/generate_public.js

@@ -0,0 +1,22 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.generateParserModule = exports.generateParserFactory = void 0;
+var generate_1 = require("./generate");
+function generateParserFactory(options) {
+    var wrapperText = generate_1.genWrapperFunction({
+        name: options.name,
+        rules: options.rules
+    });
+    var constructorWrapper = new Function("tokenVocabulary", "config", "chevrotain", wrapperText);
+    return function (config) {
+        return constructorWrapper(options.tokenVocabulary, config, 
+        // TODO: check how the require is transpiled/webpacked
+        require("../api"));
+    };
+}
+exports.generateParserFactory = generateParserFactory;
+function generateParserModule(options) {
+    return generate_1.genUmdModule({ name: options.name, rules: options.rules });
+}
+exports.generateParserModule = generateParserModule;
+//# sourceMappingURL=generate_public.js.map

node_modules/chevrotain/lib/src/generate/generate_public.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"generate_public.js","sourceRoot":"","sources":["../../../src/generate/generate_public.ts"],"names":[],"mappings":";;;AACA,uCAA6D;AAE7D,SAAgB,qBAAqB,CAAuB,OAI3D;IACC,IAAM,WAAW,GAAG,6BAAkB,CAAC;QACrC,IAAI,EAAE,OAAO,CAAC,IAAI;QAClB,KAAK,EAAE,OAAO,CAAC,KAAK;KACrB,CAAC,CAAA;IAEF,IAAM,kBAAkB,GAAG,IAAI,QAAQ,CACrC,iBAAiB,EACjB,QAAQ,EACR,YAAY,EACZ,WAAW,CACZ,CAAA;IAED,OAAO,UAAU,MAAM;QACrB,OAAO,kBAAkB,CACvB,OAAO,CAAC,eAAe,EACvB,MAAM;QACN,sDAAsD;QACtD,OAAO,CAAC,QAAQ,CAAC,CAClB,CAAA;IACH,CAAC,CAAA;AACH,CAAC;AAzBD,sDAyBC;AAED,SAAgB,oBAAoB,CAAC,OAGpC;IACC,OAAO,uBAAY,CAAC,EAAE,IAAI,EAAE,OAAO,CAAC,IAAI,EAAE,KAAK,EAAE,OAAO,CAAC,KAAK,EAAE,CAAC,CAAA;AACnE,CAAC;AALD,oDAKC"}

node_modules/chevrotain/lib/src/lang/lang_extensions.js

@@ -0,0 +1,47 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.defineNameProp = exports.functionName = exports.classNameFromInstance = void 0;
+var utils_1 = require("../utils/utils");
+function classNameFromInstance(instance) {
+    return functionName(instance.constructor);
+}
+exports.classNameFromInstance = classNameFromInstance;
+var NAME = "name";
+/**
+ * Utility to obtain Function names.
+ * Note that there should not be an assumptions on the result of this function.
+ * E.g: When running from minified source code the result may be auto generated.
+ */
+function functionName(func) {
+    // Engines that support Function.prototype.name OR the nth (n>1) time after
+    // the name has been computed in the following else block.
+    var existingNameProp = func.name;
+    /* istanbul ignore else - too many hacks for IE/old versions of node.js here*/
+    if (existingNameProp) {
+        return existingNameProp;
+    }
+    else {
+        return "anonymous";
+    }
+}
+exports.functionName = functionName;
+/**
+ * @returns {boolean} - has the property been successfully defined
+ */
+function defineNameProp(obj, nameValue) {
+    var namePropDescriptor = Object.getOwnPropertyDescriptor(obj, NAME);
+    /* istanbul ignore else -> will only run in old versions of node.js */
+    if (utils_1.isUndefined(namePropDescriptor) || namePropDescriptor.configurable) {
+        Object.defineProperty(obj, NAME, {
+            enumerable: false,
+            configurable: true,
+            writable: false,
+            value: nameValue
+        });
+        return true;
+    }
+    /* istanbul ignore next -> will only run in old versions of node.js */
+    return false;
+}
+exports.defineNameProp = defineNameProp;
+//# sourceMappingURL=lang_extensions.js.map

node_modules/chevrotain/lib/src/lang/lang_extensions.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"lang_extensions.js","sourceRoot":"","sources":["../../../src/lang/lang_extensions.ts"],"names":[],"mappings":";;;AACA,wCAA4C;AAE5C,SAAgB,qBAAqB,CAAC,QAAa;IACjD,OAAO,YAAY,CAAC,QAAQ,CAAC,WAAW,CAAC,CAAA;AAC3C,CAAC;AAFD,sDAEC;AAED,IAAM,IAAI,GAAG,MAAM,CAAA;AAEnB;;;;GAIG;AACH,SAAgB,YAAY,CAAC,IAAe;IAC1C,2EAA2E;IAC3E,0DAA0D;IAC1D,IAAI,gBAAgB,GAAS,IAAK,CAAC,IAAI,CAAA;IACvC,8EAA8E;IAC9E,IAAI,gBAAgB,EAAE;QACpB,OAAO,gBAAgB,CAAA;KACxB;SAAM;QACL,OAAO,WAAW,CAAA;KACnB;AACH,CAAC;AAVD,oCAUC;AAED;;GAEG;AACH,SAAgB,cAAc,CAAC,GAAG,EAAE,SAAS;IAC3C,IAAI,kBAAkB,GAAG,MAAM,CAAC,wBAAwB,CAAC,GAAG,EAAE,IAAI,CAAC,CAAA;IACnE,sEAAsE;IACtE,IAAI,mBAAW,CAAC,kBAAkB,CAAC,IAAI,kBAAkB,CAAC,YAAY,EAAE;QACtE,MAAM,CAAC,cAAc,CAAC,GAAG,EAAE,IAAI,EAAE;YAC/B,UAAU,EAAE,KAAK;YACjB,YAAY,EAAE,IAAI;YAClB,QAAQ,EAAE,KAAK;YACf,KAAK,EAAE,SAAS;SACjB,CAAC,CAAA;QAEF,OAAO,IAAI,CAAA;KACZ;IACD,sEAAsE;IACtE,OAAO,KAAK,CAAA;AACd,CAAC;AAfD,wCAeC"}

node_modules/chevrotain/lib/src/parse/constants.js

@@ -0,0 +1,6 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.IN = void 0;
+// TODO: can this be removed? where is it used?
+exports.IN = "_~IN~_";
+//# sourceMappingURL=constants.js.map

node_modules/chevrotain/lib/src/parse/constants.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"constants.js","sourceRoot":"","sources":["../../../src/parse/constants.ts"],"names":[],"mappings":";;;AAAA,+CAA+C;AACpC,QAAA,EAAE,GAAG,QAAQ,CAAA"}

node_modules/chevrotain/lib/src/parse/cst/cst.js

@@ -0,0 +1,78 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.addNoneTerminalToCst = exports.addTerminalToCst = exports.setNodeLocationFull = exports.setNodeLocationOnlyOffset = void 0;
+/**
+ * This nodeLocation tracking is not efficient and should only be used
+ * when error recovery is enabled or the Token Vector contains virtual Tokens
+ * (e.g, Python Indent/Outdent)
+ * As it executes the calculation for every single terminal/nonTerminal
+ * and does not rely on the fact the token vector is **sorted**
+ */
+function setNodeLocationOnlyOffset(currNodeLocation, newLocationInfo) {
+    // First (valid) update for this cst node
+    if (isNaN(currNodeLocation.startOffset) === true) {
+        // assumption1: Token location information is either NaN or a valid number
+        // assumption2: Token location information is fully valid if it exist
+        // (both start/end offsets exist and are numbers).
+        currNodeLocation.startOffset = newLocationInfo.startOffset;
+        currNodeLocation.endOffset = newLocationInfo.endOffset;
+    }
+    // Once the startOffset has been updated with a valid number it should never receive
+    // any farther updates as the Token vector is sorted.
+    // We still have to check this this condition for every new possible location info
+    // because with error recovery enabled we may encounter invalid tokens (NaN location props)
+    else if (currNodeLocation.endOffset < newLocationInfo.endOffset === true) {
+        currNodeLocation.endOffset = newLocationInfo.endOffset;
+    }
+}
+exports.setNodeLocationOnlyOffset = setNodeLocationOnlyOffset;
+/**
+ * This nodeLocation tracking is not efficient and should only be used
+ * when error recovery is enabled or the Token Vector contains virtual Tokens
+ * (e.g, Python Indent/Outdent)
+ * As it executes the calculation for every single terminal/nonTerminal
+ * and does not rely on the fact the token vector is **sorted**
+ */
+function setNodeLocationFull(currNodeLocation, newLocationInfo) {
+    // First (valid) update for this cst node
+    if (isNaN(currNodeLocation.startOffset) === true) {
+        // assumption1: Token location information is either NaN or a valid number
+        // assumption2: Token location information is fully valid if it exist
+        // (all start/end props exist and are numbers).
+        currNodeLocation.startOffset = newLocationInfo.startOffset;
+        currNodeLocation.startColumn = newLocationInfo.startColumn;
+        currNodeLocation.startLine = newLocationInfo.startLine;
+        currNodeLocation.endOffset = newLocationInfo.endOffset;
+        currNodeLocation.endColumn = newLocationInfo.endColumn;
+        currNodeLocation.endLine = newLocationInfo.endLine;
+    }
+    // Once the start props has been updated with a valid number it should never receive
+    // any farther updates as the Token vector is sorted.
+    // We still have to check this this condition for every new possible location info
+    // because with error recovery enabled we may encounter invalid tokens (NaN location props)
+    else if (currNodeLocation.endOffset < newLocationInfo.endOffset === true) {
+        currNodeLocation.endOffset = newLocationInfo.endOffset;
+        currNodeLocation.endColumn = newLocationInfo.endColumn;
+        currNodeLocation.endLine = newLocationInfo.endLine;
+    }
+}
+exports.setNodeLocationFull = setNodeLocationFull;
+function addTerminalToCst(node, token, tokenTypeName) {
+    if (node.children[tokenTypeName] === undefined) {
+        node.children[tokenTypeName] = [token];
+    }
+    else {
+        node.children[tokenTypeName].push(token);
+    }
+}
+exports.addTerminalToCst = addTerminalToCst;
+function addNoneTerminalToCst(node, ruleName, ruleResult) {
+    if (node.children[ruleName] === undefined) {
+        node.children[ruleName] = [ruleResult];
+    }
+    else {
+        node.children[ruleName].push(ruleResult);
+    }
+}
+exports.addNoneTerminalToCst = addNoneTerminalToCst;
+//# sourceMappingURL=cst.js.map

node_modules/chevrotain/lib/src/parse/cst/cst.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"cst.js","sourceRoot":"","sources":["../../../../src/parse/cst/cst.ts"],"names":[],"mappings":";;;AAEA;;;;;;GAMG;AACH,SAAgB,yBAAyB,CACvC,gBAAiC,EACjC,eAAuB;IAEvB,yCAAyC;IACzC,IAAI,KAAK,CAAC,gBAAgB,CAAC,WAAW,CAAC,KAAK,IAAI,EAAE;QAChD,0EAA0E;QAC1E,qEAAqE;QACrE,kDAAkD;QAClD,gBAAgB,CAAC,WAAW,GAAG,eAAe,CAAC,WAAW,CAAA;QAC1D,gBAAgB,CAAC,SAAS,GAAG,eAAe,CAAC,SAAS,CAAA;KACvD;IACD,oFAAoF;IACpF,qDAAqD;IACrD,kFAAkF;IAClF,2FAA2F;SACtF,IAAI,gBAAgB,CAAC,SAAS,GAAG,eAAe,CAAC,SAAS,KAAK,IAAI,EAAE;QACxE,gBAAgB,CAAC,SAAS,GAAG,eAAe,CAAC,SAAS,CAAA;KACvD;AACH,CAAC;AAnBD,8DAmBC;AAED;;;;;;GAMG;AACH,SAAgB,mBAAmB,CACjC,gBAAiC,EACjC,eAAgC;IAEhC,yCAAyC;IACzC,IAAI,KAAK,CAAC,gBAAgB,CAAC,WAAW,CAAC,KAAK,IAAI,EAAE;QAChD,0EAA0E;QAC1E,qEAAqE;QACrE,+CAA+C;QAC/C,gBAAgB,CAAC,WAAW,GAAG,eAAe,CAAC,WAAW,CAAA;QAC1D,gBAAgB,CAAC,WAAW,GAAG,eAAe,CAAC,WAAW,CAAA;QAC1D,gBAAgB,CAAC,SAAS,GAAG,eAAe,CAAC,SAAS,CAAA;QACtD,gBAAgB,CAAC,SAAS,GAAG,eAAe,CAAC,SAAS,CAAA;QACtD,gBAAgB,CAAC,SAAS,GAAG,eAAe,CAAC,SAAS,CAAA;QACtD,gBAAgB,CAAC,OAAO,GAAG,eAAe,CAAC,OAAO,CAAA;KACnD;IACD,oFAAoF;IACpF,qDAAqD;IACrD,kFAAkF;IAClF,2FAA2F;SACtF,IAAI,gBAAgB,CAAC,SAAS,GAAG,eAAe,CAAC,SAAS,KAAK,IAAI,EAAE;QACxE,gBAAgB,CAAC,SAAS,GAAG,eAAe,CAAC,SAAS,CAAA;QACtD,gBAAgB,CAAC,SAAS,GAAG,eAAe,CAAC,SAAS,CAAA;QACtD,gBAAgB,CAAC,OAAO,GAAG,eAAe,CAAC,OAAO,CAAA;KACnD;AACH,CAAC;AAzBD,kDAyBC;AAED,SAAgB,gBAAgB,CAC9B,IAAa,EACb,KAAa,EACb,aAAqB;IAErB,IAAI,IAAI,CAAC,QAAQ,CAAC,aAAa,CAAC,KAAK,SAAS,EAAE;QAC9C,IAAI,CAAC,QAAQ,CAAC,aAAa,CAAC,GAAG,CAAC,KAAK,CAAC,CAAA;KACvC;SAAM;QACL,IAAI,CAAC,QAAQ,CAAC,aAAa,CAAC,CAAC,IAAI,CAAC,KAAK,CAAC,CAAA;KACzC;AACH,CAAC;AAVD,4CAUC;AAED,SAAgB,oBAAoB,CAClC,IAAa,EACb,QAAgB,EAChB,UAAe;IAEf,IAAI,IAAI,CAAC,QAAQ,CAAC,QAAQ,CAAC,KAAK,SAAS,EAAE;QACzC,IAAI,CAAC,QAAQ,CAAC,QAAQ,CAAC,GAAG,CAAC,UAAU,CAAC,CAAA;KACvC;SAAM;QACL,IAAI,CAAC,QAAQ,CAAC,QAAQ,CAAC,CAAC,IAAI,CAAC,UAAU,CAAC,CAAA;KACzC;AACH,CAAC;AAVD,oDAUC"}

node_modules/chevrotain/lib/src/parse/cst/cst_visitor.js

@@ -0,0 +1,116 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.validateRedundantMethods = exports.validateMissingCstMethods = exports.validateVisitor = exports.CstVisitorDefinitionError = exports.createBaseVisitorConstructorWithDefaults = exports.createBaseSemanticVisitorConstructor = exports.defaultVisit = void 0;
+var utils_1 = require("../../utils/utils");
+var lang_extensions_1 = require("../../lang/lang_extensions");
+function defaultVisit(ctx, param) {
+    var childrenNames = utils_1.keys(ctx);
+    var childrenNamesLength = childrenNames.length;
+    for (var i = 0; i < childrenNamesLength; i++) {
+        var currChildName = childrenNames[i];
+        var currChildArray = ctx[currChildName];
+        var currChildArrayLength = currChildArray.length;
+        for (var j = 0; j < currChildArrayLength; j++) {
+            var currChild = currChildArray[j];
+            // distinction between Tokens Children and CstNode children
+            if (currChild.tokenTypeIdx === undefined) {
+                this[currChild.name](currChild.children, param);
+            }
+        }
+    }
+    // defaultVisit does not support generic out param
+    return undefined;
+}
+exports.defaultVisit = defaultVisit;
+function createBaseSemanticVisitorConstructor(grammarName, ruleNames) {
+    var derivedConstructor = function () { };
+    // can be overwritten according to:
+    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/
+    // name?redirectlocale=en-US&redirectslug=JavaScript%2FReference%2FGlobal_Objects%2FFunction%2Fname
+    lang_extensions_1.defineNameProp(derivedConstructor, grammarName + "BaseSemantics");
+    var semanticProto = {
+        visit: function (cstNode, param) {
+            // enables writing more concise visitor methods when CstNode has only a single child
+            if (utils_1.isArray(cstNode)) {
+                // A CST Node's children dictionary can never have empty arrays as values
+                // If a key is defined there will be at least one element in the corresponding value array.
+                cstNode = cstNode[0];
+            }
+            // enables passing optional CstNodes concisely.
+            if (utils_1.isUndefined(cstNode)) {
+                return undefined;
+            }
+            return this[cstNode.name](cstNode.children, param);
+        },
+        validateVisitor: function () {
+            var semanticDefinitionErrors = validateVisitor(this, ruleNames);
+            if (!utils_1.isEmpty(semanticDefinitionErrors)) {
+                var errorMessages = utils_1.map(semanticDefinitionErrors, function (currDefError) { return currDefError.msg; });
+                throw Error("Errors Detected in CST Visitor <" + lang_extensions_1.functionName(this.constructor) + ">:\n\t" + ("" + errorMessages.join("\n\n").replace(/\n/g, "\n\t")));
+            }
+        }
+    };
+    derivedConstructor.prototype = semanticProto;
+    derivedConstructor.prototype.constructor = derivedConstructor;
+    derivedConstructor._RULE_NAMES = ruleNames;
+    return derivedConstructor;
+}
+exports.createBaseSemanticVisitorConstructor = createBaseSemanticVisitorConstructor;
+function createBaseVisitorConstructorWithDefaults(grammarName, ruleNames, baseConstructor) {
+    var derivedConstructor = function () { };
+    // can be overwritten according to:
+    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/
+    // name?redirectlocale=en-US&redirectslug=JavaScript%2FReference%2FGlobal_Objects%2FFunction%2Fname
+    lang_extensions_1.defineNameProp(derivedConstructor, grammarName + "BaseSemanticsWithDefaults");
+    var withDefaultsProto = Object.create(baseConstructor.prototype);
+    utils_1.forEach(ruleNames, function (ruleName) {
+        withDefaultsProto[ruleName] = defaultVisit;
+    });
+    derivedConstructor.prototype = withDefaultsProto;
+    derivedConstructor.prototype.constructor = derivedConstructor;
+    return derivedConstructor;
+}
+exports.createBaseVisitorConstructorWithDefaults = createBaseVisitorConstructorWithDefaults;
+var CstVisitorDefinitionError;
+(function (CstVisitorDefinitionError) {
+    CstVisitorDefinitionError[CstVisitorDefinitionError["REDUNDANT_METHOD"] = 0] = "REDUNDANT_METHOD";
+    CstVisitorDefinitionError[CstVisitorDefinitionError["MISSING_METHOD"] = 1] = "MISSING_METHOD";
+})(CstVisitorDefinitionError = exports.CstVisitorDefinitionError || (exports.CstVisitorDefinitionError = {}));
+function validateVisitor(visitorInstance, ruleNames) {
+    var missingErrors = validateMissingCstMethods(visitorInstance, ruleNames);
+    var redundantErrors = validateRedundantMethods(visitorInstance, ruleNames);
+    return missingErrors.concat(redundantErrors);
+}
+exports.validateVisitor = validateVisitor;
+function validateMissingCstMethods(visitorInstance, ruleNames) {
+    var errors = utils_1.map(ruleNames, function (currRuleName) {
+        if (!utils_1.isFunction(visitorInstance[currRuleName])) {
+            return {
+                msg: "Missing visitor method: <" + currRuleName + "> on " + lang_extensions_1.functionName(visitorInstance.constructor) + " CST Visitor.",
+                type: CstVisitorDefinitionError.MISSING_METHOD,
+                methodName: currRuleName
+            };
+        }
+    });
+    return utils_1.compact(errors);
+}
+exports.validateMissingCstMethods = validateMissingCstMethods;
+var VALID_PROP_NAMES = ["constructor", "visit", "validateVisitor"];
+function validateRedundantMethods(visitorInstance, ruleNames) {
+    var errors = [];
+    for (var prop in visitorInstance) {
+        if (utils_1.isFunction(visitorInstance[prop]) &&
+            !utils_1.contains(VALID_PROP_NAMES, prop) &&
+            !utils_1.contains(ruleNames, prop)) {
+            errors.push({
+                msg: "Redundant visitor method: <" + prop + "> on " + lang_extensions_1.functionName(visitorInstance.constructor) + " CST Visitor\n" +
+                    "There is no Grammar Rule corresponding to this method's name.\n",
+                type: CstVisitorDefinitionError.REDUNDANT_METHOD,
+                methodName: prop
+            });
+        }
+    }
+    return errors;
+}
+exports.validateRedundantMethods = validateRedundantMethods;
+//# sourceMappingURL=cst_visitor.js.map

node_modules/chevrotain/lib/src/parse/cst/cst_visitor.js.map

@@ -0,0 +1 @@
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node_modules/chevrotain/lib/src/parse/errors_public.js

@@ -0,0 +1,189 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.defaultGrammarValidatorErrorProvider = exports.defaultGrammarResolverErrorProvider = exports.defaultParserErrorProvider = void 0;
+var tokens_public_1 = require("../scan/tokens_public");
+var utils = require("../utils/utils");
+var utils_1 = require("../utils/utils");
+var gast_public_1 = require("./grammar/gast/gast_public");
+var gast_1 = require("./grammar/gast/gast");
+exports.defaultParserErrorProvider = {
+    buildMismatchTokenMessage: function (_a) {
+        var expected = _a.expected, actual = _a.actual, previous = _a.previous, ruleName = _a.ruleName;
+        var hasLabel = tokens_public_1.hasTokenLabel(expected);
+        var expectedMsg = hasLabel
+            ? "--> " + tokens_public_1.tokenLabel(expected) + " <--"
+            : "token of type --> " + expected.name + " <--";
+        var msg = "Expecting " + expectedMsg + " but found --> '" + actual.image + "' <--";
+        return msg;
+    },
+    buildNotAllInputParsedMessage: function (_a) {
+        var firstRedundant = _a.firstRedundant, ruleName = _a.ruleName;
+        return "Redundant input, expecting EOF but found: " + firstRedundant.image;
+    },
+    buildNoViableAltMessage: function (_a) {
+        var expectedPathsPerAlt = _a.expectedPathsPerAlt, actual = _a.actual, previous = _a.previous, customUserDescription = _a.customUserDescription, ruleName = _a.ruleName;
+        var errPrefix = "Expecting: ";
+        // TODO: issue: No Viable Alternative Error may have incomplete details. #502
+        var actualText = utils_1.first(actual).image;
+        var errSuffix = "\nbut found: '" + actualText + "'";
+        if (customUserDescription) {
+            return errPrefix + customUserDescription + errSuffix;
+        }
+        else {
+            var allLookAheadPaths = utils_1.reduce(expectedPathsPerAlt, function (result, currAltPaths) { return result.concat(currAltPaths); }, []);
+            var nextValidTokenSequences = utils_1.map(allLookAheadPaths, function (currPath) {
+                return "[" + utils_1.map(currPath, function (currTokenType) { return tokens_public_1.tokenLabel(currTokenType); }).join(", ") + "]";
+            });
+            var nextValidSequenceItems = utils_1.map(nextValidTokenSequences, function (itemMsg, idx) { return "  " + (idx + 1) + ". " + itemMsg; });
+            var calculatedDescription = "one of these possible Token sequences:\n" + nextValidSequenceItems.join("\n");
+            return errPrefix + calculatedDescription + errSuffix;
+        }
+    },
+    buildEarlyExitMessage: function (_a) {
+        var expectedIterationPaths = _a.expectedIterationPaths, actual = _a.actual, customUserDescription = _a.customUserDescription, ruleName = _a.ruleName;
+        var errPrefix = "Expecting: ";
+        // TODO: issue: No Viable Alternative Error may have incomplete details. #502
+        var actualText = utils_1.first(actual).image;
+        var errSuffix = "\nbut found: '" + actualText + "'";
+        if (customUserDescription) {
+            return errPrefix + customUserDescription + errSuffix;
+        }
+        else {
+            var nextValidTokenSequences = utils_1.map(expectedIterationPaths, function (currPath) {
+                return "[" + utils_1.map(currPath, function (currTokenType) { return tokens_public_1.tokenLabel(currTokenType); }).join(",") + "]";
+            });
+            var calculatedDescription = "expecting at least one iteration which starts with one of these possible Token sequences::\n  " +
+                ("<" + nextValidTokenSequences.join(" ,") + ">");
+            return errPrefix + calculatedDescription + errSuffix;
+        }
+    }
+};
+Object.freeze(exports.defaultParserErrorProvider);
+exports.defaultGrammarResolverErrorProvider = {
+    buildRuleNotFoundError: function (topLevelRule, undefinedRule) {
+        var msg = "Invalid grammar, reference to a rule which is not defined: ->" +
+            undefinedRule.nonTerminalName +
+            "<-\n" +
+            "inside top level rule: ->" +
+            topLevelRule.name +
+            "<-";
+        return msg;
+    }
+};
+exports.defaultGrammarValidatorErrorProvider = {
+    buildDuplicateFoundError: function (topLevelRule, duplicateProds) {
+        function getExtraProductionArgument(prod) {
+            if (prod instanceof gast_public_1.Terminal) {
+                return prod.terminalType.name;
+            }
+            else if (prod instanceof gast_public_1.NonTerminal) {
+                return prod.nonTerminalName;
+            }
+            else {
+                return "";
+            }
+        }
+        var topLevelName = topLevelRule.name;
+        var duplicateProd = utils_1.first(duplicateProds);
+        var index = duplicateProd.idx;
+        var dslName = gast_1.getProductionDslName(duplicateProd);
+        var extraArgument = getExtraProductionArgument(duplicateProd);
+        var hasExplicitIndex = index > 0;
+        var msg = "->" + dslName + (hasExplicitIndex ? index : "") + "<- " + (extraArgument ? "with argument: ->" + extraArgument + "<-" : "") + "\n                  appears more than once (" + duplicateProds.length + " times) in the top level rule: ->" + topLevelName + "<-.                  \n                  For further details see: https://sap.github.io/chevrotain/docs/FAQ.html#NUMERICAL_SUFFIXES \n                  ";
+        // white space trimming time! better to trim afterwards as it allows to use WELL formatted multi line template strings...
+        msg = msg.replace(/[ \t]+/g, " ");
+        msg = msg.replace(/\s\s+/g, "\n");
+        return msg;
+    },
+    buildNamespaceConflictError: function (rule) {
+        var errMsg = "Namespace conflict found in grammar.\n" +
+            ("The grammar has both a Terminal(Token) and a Non-Terminal(Rule) named: <" + rule.name + ">.\n") +
+            "To resolve this make sure each Terminal and Non-Terminal names are unique\n" +
+            "This is easy to accomplish by using the convention that Terminal names start with an uppercase letter\n" +
+            "and Non-Terminal names start with a lower case letter.";
+        return errMsg;
+    },
+    buildAlternationPrefixAmbiguityError: function (options) {
+        var pathMsg = utils_1.map(options.prefixPath, function (currTok) {
+            return tokens_public_1.tokenLabel(currTok);
+        }).join(", ");
+        var occurrence = options.alternation.idx === 0 ? "" : options.alternation.idx;
+        var errMsg = "Ambiguous alternatives: <" + options.ambiguityIndices.join(" ,") + "> due to common lookahead prefix\n" +
+            ("in <OR" + occurrence + "> inside <" + options.topLevelRule.name + "> Rule,\n") +
+            ("<" + pathMsg + "> may appears as a prefix path in all these alternatives.\n") +
+            "See: https://sap.github.io/chevrotain/docs/guide/resolving_grammar_errors.html#COMMON_PREFIX\n" +
+            "For Further details.";
+        return errMsg;
+    },
+    buildAlternationAmbiguityError: function (options) {
+        var pathMsg = utils_1.map(options.prefixPath, function (currtok) {
+            return tokens_public_1.tokenLabel(currtok);
+        }).join(", ");
+        var occurrence = options.alternation.idx === 0 ? "" : options.alternation.idx;
+        var currMessage = "Ambiguous Alternatives Detected: <" + options.ambiguityIndices.join(" ,") + "> in <OR" + occurrence + ">" +
+            (" inside <" + options.topLevelRule.name + "> Rule,\n") +
+            ("<" + pathMsg + "> may appears as a prefix path in all these alternatives.\n");
+        currMessage =
+            currMessage +
+                "See: https://sap.github.io/chevrotain/docs/guide/resolving_grammar_errors.html#AMBIGUOUS_ALTERNATIVES\n" +
+                "For Further details.";
+        return currMessage;
+    },
+    buildEmptyRepetitionError: function (options) {
+        var dslName = gast_1.getProductionDslName(options.repetition);
+        if (options.repetition.idx !== 0) {
+            dslName += options.repetition.idx;
+        }
+        var errMsg = "The repetition <" + dslName + "> within Rule <" + options.topLevelRule.name + "> can never consume any tokens.\n" +
+            "This could lead to an infinite loop.";
+        return errMsg;
+    },
+    // TODO: remove - `errors_public` from nyc.config.js exclude
+    //       once this method is fully removed from this file
+    buildTokenNameError: function (options) {
+        /* istanbul ignore next */
+        return "deprecated";
+    },
+    buildEmptyAlternationError: function (options) {
+        var errMsg = "Ambiguous empty alternative: <" + (options.emptyChoiceIdx + 1) + ">" +
+            (" in <OR" + options.alternation.idx + "> inside <" + options.topLevelRule.name + "> Rule.\n") +
+            "Only the last alternative may be an empty alternative.";
+        return errMsg;
+    },
+    buildTooManyAlternativesError: function (options) {
+        var errMsg = "An Alternation cannot have more than 256 alternatives:\n" +
+            ("<OR" + options.alternation.idx + "> inside <" + options.topLevelRule.name + "> Rule.\n has " + (options.alternation.definition.length + 1) + " alternatives.");
+        return errMsg;
+    },
+    buildLeftRecursionError: function (options) {
+        var ruleName = options.topLevelRule.name;
+        var pathNames = utils.map(options.leftRecursionPath, function (currRule) { return currRule.name; });
+        var leftRecursivePath = ruleName + " --> " + pathNames
+            .concat([ruleName])
+            .join(" --> ");
+        var errMsg = "Left Recursion found in grammar.\n" +
+            ("rule: <" + ruleName + "> can be invoked from itself (directly or indirectly)\n") +
+            ("without consuming any Tokens. The grammar path that causes this is: \n " + leftRecursivePath + "\n") +
+            " To fix this refactor your grammar to remove the left recursion.\n" +
+            "see: https://en.wikipedia.org/wiki/LL_parser#Left_Factoring.";
+        return errMsg;
+    },
+    // TODO: remove - `errors_public` from nyc.config.js exclude
+    //       once this method is fully removed from this file
+    buildInvalidRuleNameError: function (options) {
+        /* istanbul ignore next */
+        return "deprecated";
+    },
+    buildDuplicateRuleNameError: function (options) {
+        var ruleName;
+        if (options.topLevelRule instanceof gast_public_1.Rule) {
+            ruleName = options.topLevelRule.name;
+        }
+        else {
+            ruleName = options.topLevelRule;
+        }
+        var errMsg = "Duplicate definition, rule: ->" + ruleName + "<- is already defined in the grammar: ->" + options.grammarName + "<-";
+        return errMsg;
+    }
+};
+//# sourceMappingURL=errors_public.js.map

node_modules/chevrotain/lib/src/parse/exceptions_public.js

@@ -0,0 +1,95 @@
+"use strict";
+/* istanbul ignore next */ var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.EarlyExitException = exports.NotAllInputParsedException = exports.NoViableAltException = exports.MismatchedTokenException = exports.isRecognitionException = void 0;
+var utils_1 = require("../utils/utils");
+var MISMATCHED_TOKEN_EXCEPTION = "MismatchedTokenException";
+var NO_VIABLE_ALT_EXCEPTION = "NoViableAltException";
+var EARLY_EXIT_EXCEPTION = "EarlyExitException";
+var NOT_ALL_INPUT_PARSED_EXCEPTION = "NotAllInputParsedException";
+var RECOGNITION_EXCEPTION_NAMES = [
+    MISMATCHED_TOKEN_EXCEPTION,
+    NO_VIABLE_ALT_EXCEPTION,
+    EARLY_EXIT_EXCEPTION,
+    NOT_ALL_INPUT_PARSED_EXCEPTION
+];
+Object.freeze(RECOGNITION_EXCEPTION_NAMES);
+// hacks to bypass no support for custom Errors in javascript/typescript
+function isRecognitionException(error) {
+    // can't do instanceof on hacked custom js exceptions
+    return utils_1.contains(RECOGNITION_EXCEPTION_NAMES, error.name);
+}
+exports.isRecognitionException = isRecognitionException;
+var RecognitionException = /** @class */ (function (_super) {
+    __extends(RecognitionException, _super);
+    function RecognitionException(message, token) {
+        var _newTarget = this.constructor;
+        var _this = _super.call(this, message) /* istanbul ignore next */ || this;
+        _this.token = token;
+        _this.resyncedTokens = [];
+        // fix prototype chain when typescript target is ES5
+        Object.setPrototypeOf(_this, _newTarget.prototype);
+        /* istanbul ignore next - V8 workaround to remove constructor from stacktrace when typescript target is ES5 */
+        if (Error.captureStackTrace) {
+            Error.captureStackTrace(_this, _this.constructor);
+        }
+        return _this;
+    }
+    return RecognitionException;
+}(Error));
+var MismatchedTokenException = /** @class */ (function (_super) {
+    __extends(MismatchedTokenException, _super);
+    function MismatchedTokenException(message, token, previousToken) {
+        var _this = _super.call(this, message, token) /* istanbul ignore next */ || this;
+        _this.previousToken = previousToken;
+        _this.name = MISMATCHED_TOKEN_EXCEPTION;
+        return _this;
+    }
+    return MismatchedTokenException;
+}(RecognitionException));
+exports.MismatchedTokenException = MismatchedTokenException;
+var NoViableAltException = /** @class */ (function (_super) {
+    __extends(NoViableAltException, _super);
+    function NoViableAltException(message, token, previousToken) {
+        var _this = _super.call(this, message, token) /* istanbul ignore next */ || this;
+        _this.previousToken = previousToken;
+        _this.name = NO_VIABLE_ALT_EXCEPTION;
+        return _this;
+    }
+    return NoViableAltException;
+}(RecognitionException));
+exports.NoViableAltException = NoViableAltException;
+var NotAllInputParsedException = /** @class */ (function (_super) {
+    __extends(NotAllInputParsedException, _super);
+    function NotAllInputParsedException(message, token) {
+        var _this = _super.call(this, message, token) /* istanbul ignore next */ || this;
+        _this.name = NOT_ALL_INPUT_PARSED_EXCEPTION;
+        return _this;
+    }
+    return NotAllInputParsedException;
+}(RecognitionException));
+exports.NotAllInputParsedException = NotAllInputParsedException;
+var EarlyExitException = /** @class */ (function (_super) {
+    __extends(EarlyExitException, _super);
+    function EarlyExitException(message, token, previousToken) {
+        var _this = _super.call(this, message, token) /* istanbul ignore next */ || this;
+        _this.previousToken = previousToken;
+        _this.name = EARLY_EXIT_EXCEPTION;
+        return _this;
+    }
+    return EarlyExitException;
+}(RecognitionException));
+exports.EarlyExitException = EarlyExitException;
+//# sourceMappingURL=exceptions_public.js.map

node_modules/chevrotain/lib/src/parse/exceptions_public.js.map

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node_modules/chevrotain/lib/src/parse/grammar/checks.js

@@ -0,0 +1,489 @@
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.checkPrefixAlternativesAmbiguities = exports.validateSomeNonEmptyLookaheadPath = exports.validateTooManyAlts = exports.RepetionCollector = exports.validateAmbiguousAlternationAlternatives = exports.validateEmptyOrAlternative = exports.getFirstNoneTerminal = exports.validateNoLeftRecursion = exports.validateRuleIsOverridden = exports.validateRuleDoesNotAlreadyExist = exports.OccurrenceValidationCollector = exports.identifyProductionForDuplicates = exports.validateGrammar = void 0;
+var utils = require("../../utils/utils");
+var utils_1 = require("../../utils/utils");
+var parser_1 = require("../parser/parser");
+var gast_1 = require("./gast/gast");
+var lookahead_1 = require("./lookahead");
+var interpreter_1 = require("./interpreter");
+var gast_public_1 = require("./gast/gast_public");
+var gast_visitor_public_1 = require("./gast/gast_visitor_public");
+function validateGrammar(topLevels, globalMaxLookahead, tokenTypes, errMsgProvider, grammarName) {
+    var duplicateErrors = utils.map(topLevels, function (currTopLevel) {
+        return validateDuplicateProductions(currTopLevel, errMsgProvider);
+    });
+    var leftRecursionErrors = utils.map(topLevels, function (currTopRule) {
+        return validateNoLeftRecursion(currTopRule, currTopRule, errMsgProvider);
+    });
+    var emptyAltErrors = [];
+    var ambiguousAltsErrors = [];
+    var emptyRepetitionErrors = [];
+    // left recursion could cause infinite loops in the following validations.
+    // It is safest to first have the user fix the left recursion errors first and only then examine Further issues.
+    if (utils_1.every(leftRecursionErrors, utils_1.isEmpty)) {
+        emptyAltErrors = utils_1.map(topLevels, function (currTopRule) {
+            return validateEmptyOrAlternative(currTopRule, errMsgProvider);
+        });
+        ambiguousAltsErrors = utils_1.map(topLevels, function (currTopRule) {
+            return validateAmbiguousAlternationAlternatives(currTopRule, globalMaxLookahead, errMsgProvider);
+        });
+        emptyRepetitionErrors = validateSomeNonEmptyLookaheadPath(topLevels, globalMaxLookahead, errMsgProvider);
+    }
+    var termsNamespaceConflictErrors = checkTerminalAndNoneTerminalsNameSpace(topLevels, tokenTypes, errMsgProvider);
+    var tooManyAltsErrors = utils_1.map(topLevels, function (curRule) {
+        return validateTooManyAlts(curRule, errMsgProvider);
+    });
+    var duplicateRulesError = utils_1.map(topLevels, function (curRule) {
+        return validateRuleDoesNotAlreadyExist(curRule, topLevels, grammarName, errMsgProvider);
+    });
+    return (utils.flatten(duplicateErrors.concat(emptyRepetitionErrors, leftRecursionErrors, emptyAltErrors, ambiguousAltsErrors, termsNamespaceConflictErrors, tooManyAltsErrors, duplicateRulesError)));
+}
+exports.validateGrammar = validateGrammar;
+function validateDuplicateProductions(topLevelRule, errMsgProvider) {
+    var collectorVisitor = new OccurrenceValidationCollector();
+    topLevelRule.accept(collectorVisitor);
+    var allRuleProductions = collectorVisitor.allProductions;
+    var productionGroups = utils.groupBy(allRuleProductions, identifyProductionForDuplicates);
+    var duplicates = utils.pick(productionGroups, function (currGroup) {
+        return currGroup.length > 1;
+    });
+    var errors = utils.map(utils.values(duplicates), function (currDuplicates) {
+        var firstProd = utils.first(currDuplicates);
+        var msg = errMsgProvider.buildDuplicateFoundError(topLevelRule, currDuplicates);
+        var dslName = gast_1.getProductionDslName(firstProd);
+        var defError = {
+            message: msg,
+            type: parser_1.ParserDefinitionErrorType.DUPLICATE_PRODUCTIONS,
+            ruleName: topLevelRule.name,
+            dslName: dslName,
+            occurrence: firstProd.idx
+        };
+        var param = getExtraProductionArgument(firstProd);
+        if (param) {
+            defError.parameter = param;
+        }
+        return defError;
+    });
+    return errors;
+}
+function identifyProductionForDuplicates(prod) {
+    return gast_1.getProductionDslName(prod) + "_#_" + prod.idx + "_#_" + getExtraProductionArgument(prod);
+}
+exports.identifyProductionForDuplicates = identifyProductionForDuplicates;
+function getExtraProductionArgument(prod) {
+    if (prod instanceof gast_public_1.Terminal) {
+        return prod.terminalType.name;
+    }
+    else if (prod instanceof gast_public_1.NonTerminal) {
+        return prod.nonTerminalName;
+    }
+    else {
+        return "";
+    }
+}
+var OccurrenceValidationCollector = /** @class */ (function (_super) {
+    __extends(OccurrenceValidationCollector, _super);
+    function OccurrenceValidationCollector() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.allProductions = [];
+        return _this;
+    }
+    OccurrenceValidationCollector.prototype.visitNonTerminal = function (subrule) {
+        this.allProductions.push(subrule);
+    };
+    OccurrenceValidationCollector.prototype.visitOption = function (option) {
+        this.allProductions.push(option);
+    };
+    OccurrenceValidationCollector.prototype.visitRepetitionWithSeparator = function (manySep) {
+        this.allProductions.push(manySep);
+    };
+    OccurrenceValidationCollector.prototype.visitRepetitionMandatory = function (atLeastOne) {
+        this.allProductions.push(atLeastOne);
+    };
+    OccurrenceValidationCollector.prototype.visitRepetitionMandatoryWithSeparator = function (atLeastOneSep) {
+        this.allProductions.push(atLeastOneSep);
+    };
+    OccurrenceValidationCollector.prototype.visitRepetition = function (many) {
+        this.allProductions.push(many);
+    };
+    OccurrenceValidationCollector.prototype.visitAlternation = function (or) {
+        this.allProductions.push(or);
+    };
+    OccurrenceValidationCollector.prototype.visitTerminal = function (terminal) {
+        this.allProductions.push(terminal);
+    };
+    return OccurrenceValidationCollector;
+}(gast_visitor_public_1.GAstVisitor));
+exports.OccurrenceValidationCollector = OccurrenceValidationCollector;
+function validateRuleDoesNotAlreadyExist(rule, allRules, className, errMsgProvider) {
+    var errors = [];
+    var occurrences = utils_1.reduce(allRules, function (result, curRule) {
+        if (curRule.name === rule.name) {
+            return result + 1;
+        }
+        return result;
+    }, 0);
+    if (occurrences > 1) {
+        var errMsg = errMsgProvider.buildDuplicateRuleNameError({
+            topLevelRule: rule,
+            grammarName: className
+        });
+        errors.push({
+            message: errMsg,
+            type: parser_1.ParserDefinitionErrorType.DUPLICATE_RULE_NAME,
+            ruleName: rule.name
+        });
+    }
+    return errors;
+}
+exports.validateRuleDoesNotAlreadyExist = validateRuleDoesNotAlreadyExist;
+// TODO: is there anyway to get only the rule names of rules inherited from the super grammars?
+// This is not part of the IGrammarErrorProvider because the validation cannot be performed on
+// The grammar structure, only at runtime.
+function validateRuleIsOverridden(ruleName, definedRulesNames, className) {
+    var errors = [];
+    var errMsg;
+    if (!utils.contains(definedRulesNames, ruleName)) {
+        errMsg =
+            "Invalid rule override, rule: ->" + ruleName + "<- cannot be overridden in the grammar: ->" + className + "<-" +
+                "as it is not defined in any of the super grammars ";
+        errors.push({
+            message: errMsg,
+            type: parser_1.ParserDefinitionErrorType.INVALID_RULE_OVERRIDE,
+            ruleName: ruleName
+        });
+    }
+    return errors;
+}
+exports.validateRuleIsOverridden = validateRuleIsOverridden;
+function validateNoLeftRecursion(topRule, currRule, errMsgProvider, path) {
+    if (path === void 0) { path = []; }
+    var errors = [];
+    var nextNonTerminals = getFirstNoneTerminal(currRule.definition);
+    if (utils.isEmpty(nextNonTerminals)) {
+        return [];
+    }
+    else {
+        var ruleName = topRule.name;
+        var foundLeftRecursion = utils.contains(nextNonTerminals, topRule);
+        if (foundLeftRecursion) {
+            errors.push({
+                message: errMsgProvider.buildLeftRecursionError({
+                    topLevelRule: topRule,
+                    leftRecursionPath: path
+                }),
+                type: parser_1.ParserDefinitionErrorType.LEFT_RECURSION,
+                ruleName: ruleName
+            });
+        }
+        // we are only looking for cyclic paths leading back to the specific topRule
+        // other cyclic paths are ignored, we still need this difference to avoid infinite loops...
+        var validNextSteps = utils.difference(nextNonTerminals, path.concat([topRule]));
+        var errorsFromNextSteps = utils.map(validNextSteps, function (currRefRule) {
+            var newPath = utils.cloneArr(path);
+            newPath.push(currRefRule);
+            return validateNoLeftRecursion(topRule, currRefRule, errMsgProvider, newPath);
+        });
+        return errors.concat(utils.flatten(errorsFromNextSteps));
+    }
+}
+exports.validateNoLeftRecursion = validateNoLeftRecursion;
+function getFirstNoneTerminal(definition) {
+    var result = [];
+    if (utils.isEmpty(definition)) {
+        return result;
+    }
+    var firstProd = utils.first(definition);
+    /* istanbul ignore else */
+    if (firstProd instanceof gast_public_1.NonTerminal) {
+        result.push(firstProd.referencedRule);
+    }
+    else if (firstProd instanceof gast_public_1.Alternative ||
+        firstProd instanceof gast_public_1.Option ||
+        firstProd instanceof gast_public_1.RepetitionMandatory ||
+        firstProd instanceof gast_public_1.RepetitionMandatoryWithSeparator ||
+        firstProd instanceof gast_public_1.RepetitionWithSeparator ||
+        firstProd instanceof gast_public_1.Repetition) {
+        result = result.concat(getFirstNoneTerminal(firstProd.definition));
+    }
+    else if (firstProd instanceof gast_public_1.Alternation) {
+        // each sub definition in alternation is a FLAT
+        result = utils.flatten(utils.map(firstProd.definition, function (currSubDef) {
+            return getFirstNoneTerminal(currSubDef.definition);
+        }));
+    }
+    else if (firstProd instanceof gast_public_1.Terminal) {
+        // nothing to see, move along
+    }
+    else {
+        throw Error("non exhaustive match");
+    }
+    var isFirstOptional = gast_1.isOptionalProd(firstProd);
+    var hasMore = definition.length > 1;
+    if (isFirstOptional && hasMore) {
+        var rest = utils.drop(definition);
+        return result.concat(getFirstNoneTerminal(rest));
+    }
+    else {
+        return result;
+    }
+}
+exports.getFirstNoneTerminal = getFirstNoneTerminal;
+var OrCollector = /** @class */ (function (_super) {
+    __extends(OrCollector, _super);
+    function OrCollector() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.alternations = [];
+        return _this;
+    }
+    OrCollector.prototype.visitAlternation = function (node) {
+        this.alternations.push(node);
+    };
+    return OrCollector;
+}(gast_visitor_public_1.GAstVisitor));
+function validateEmptyOrAlternative(topLevelRule, errMsgProvider) {
+    var orCollector = new OrCollector();
+    topLevelRule.accept(orCollector);
+    var ors = orCollector.alternations;
+    var errors = utils.reduce(ors, function (errors, currOr) {
+        var exceptLast = utils.dropRight(currOr.definition);
+        var currErrors = utils.map(exceptLast, function (currAlternative, currAltIdx) {
+            var possibleFirstInAlt = interpreter_1.nextPossibleTokensAfter([currAlternative], [], null, 1);
+            if (utils.isEmpty(possibleFirstInAlt)) {
+                return {
+                    message: errMsgProvider.buildEmptyAlternationError({
+                        topLevelRule: topLevelRule,
+                        alternation: currOr,
+                        emptyChoiceIdx: currAltIdx
+                    }),
+                    type: parser_1.ParserDefinitionErrorType.NONE_LAST_EMPTY_ALT,
+                    ruleName: topLevelRule.name,
+                    occurrence: currOr.idx,
+                    alternative: currAltIdx + 1
+                };
+            }
+            else {
+                return null;
+            }
+        });
+        return errors.concat(utils.compact(currErrors));
+    }, []);
+    return errors;
+}
+exports.validateEmptyOrAlternative = validateEmptyOrAlternative;
+function validateAmbiguousAlternationAlternatives(topLevelRule, globalMaxLookahead, errMsgProvider) {
+    var orCollector = new OrCollector();
+    topLevelRule.accept(orCollector);
+    var ors = orCollector.alternations;
+    // New Handling of ignoring ambiguities
+    // - https://github.com/SAP/chevrotain/issues/869
+    ors = utils_1.reject(ors, function (currOr) { return currOr.ignoreAmbiguities === true; });
+    var errors = utils.reduce(ors, function (result, currOr) {
+        var currOccurrence = currOr.idx;
+        var actualMaxLookahead = currOr.maxLookahead || globalMaxLookahead;
+        var alternatives = lookahead_1.getLookaheadPathsForOr(currOccurrence, topLevelRule, actualMaxLookahead, currOr);
+        var altsAmbiguityErrors = checkAlternativesAmbiguities(alternatives, currOr, topLevelRule, errMsgProvider);
+        var altsPrefixAmbiguityErrors = checkPrefixAlternativesAmbiguities(alternatives, currOr, topLevelRule, errMsgProvider);
+        return result.concat(altsAmbiguityErrors, altsPrefixAmbiguityErrors);
+    }, []);
+    return errors;
+}
+exports.validateAmbiguousAlternationAlternatives = validateAmbiguousAlternationAlternatives;
+var RepetionCollector = /** @class */ (function (_super) {
+    __extends(RepetionCollector, _super);
+    function RepetionCollector() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.allProductions = [];
+        return _this;
+    }
+    RepetionCollector.prototype.visitRepetitionWithSeparator = function (manySep) {
+        this.allProductions.push(manySep);
+    };
+    RepetionCollector.prototype.visitRepetitionMandatory = function (atLeastOne) {
+        this.allProductions.push(atLeastOne);
+    };
+    RepetionCollector.prototype.visitRepetitionMandatoryWithSeparator = function (atLeastOneSep) {
+        this.allProductions.push(atLeastOneSep);
+    };
+    RepetionCollector.prototype.visitRepetition = function (many) {
+        this.allProductions.push(many);
+    };
+    return RepetionCollector;
+}(gast_visitor_public_1.GAstVisitor));
+exports.RepetionCollector = RepetionCollector;
+function validateTooManyAlts(topLevelRule, errMsgProvider) {
+    var orCollector = new OrCollector();
+    topLevelRule.accept(orCollector);
+    var ors = orCollector.alternations;
+    var errors = utils.reduce(ors, function (errors, currOr) {
+        if (currOr.definition.length > 255) {
+            errors.push({
+                message: errMsgProvider.buildTooManyAlternativesError({
+                    topLevelRule: topLevelRule,
+                    alternation: currOr
+                }),
+                type: parser_1.ParserDefinitionErrorType.TOO_MANY_ALTS,
+                ruleName: topLevelRule.name,
+                occurrence: currOr.idx
+            });
+        }
+        return errors;
+    }, []);
+    return errors;
+}
+exports.validateTooManyAlts = validateTooManyAlts;
+function validateSomeNonEmptyLookaheadPath(topLevelRules, maxLookahead, errMsgProvider) {
+    var errors = [];
+    utils_1.forEach(topLevelRules, function (currTopRule) {
+        var collectorVisitor = new RepetionCollector();
+        currTopRule.accept(collectorVisitor);
+        var allRuleProductions = collectorVisitor.allProductions;
+        utils_1.forEach(allRuleProductions, function (currProd) {
+            var prodType = lookahead_1.getProdType(currProd);
+            var actualMaxLookahead = currProd.maxLookahead || maxLookahead;
+            var currOccurrence = currProd.idx;
+            var paths = lookahead_1.getLookaheadPathsForOptionalProd(currOccurrence, currTopRule, prodType, actualMaxLookahead);
+            var pathsInsideProduction = paths[0];
+            if (utils_1.isEmpty(utils_1.flatten(pathsInsideProduction))) {
+                var errMsg = errMsgProvider.buildEmptyRepetitionError({
+                    topLevelRule: currTopRule,
+                    repetition: currProd
+                });
+                errors.push({
+                    message: errMsg,
+                    type: parser_1.ParserDefinitionErrorType.NO_NON_EMPTY_LOOKAHEAD,
+                    ruleName: currTopRule.name
+                });
+            }
+        });
+    });
+    return errors;
+}
+exports.validateSomeNonEmptyLookaheadPath = validateSomeNonEmptyLookaheadPath;
+function checkAlternativesAmbiguities(alternatives, alternation, rule, errMsgProvider) {
+    var foundAmbiguousPaths = [];
+    var identicalAmbiguities = utils_1.reduce(alternatives, function (result, currAlt, currAltIdx) {
+        // ignore (skip) ambiguities with this alternative
+        if (alternation.definition[currAltIdx].ignoreAmbiguities === true) {
+            return result;
+        }
+        utils_1.forEach(currAlt, function (currPath) {
+            var altsCurrPathAppearsIn = [currAltIdx];
+            utils_1.forEach(alternatives, function (currOtherAlt, currOtherAltIdx) {
+                if (currAltIdx !== currOtherAltIdx &&
+                    lookahead_1.containsPath(currOtherAlt, currPath) &&
+                    // ignore (skip) ambiguities with this "other" alternative
+                    alternation.definition[currOtherAltIdx].ignoreAmbiguities !== true) {
+                    altsCurrPathAppearsIn.push(currOtherAltIdx);
+                }
+            });
+            if (altsCurrPathAppearsIn.length > 1 &&
+                !lookahead_1.containsPath(foundAmbiguousPaths, currPath)) {
+                foundAmbiguousPaths.push(currPath);
+                result.push({
+                    alts: altsCurrPathAppearsIn,
+                    path: currPath
+                });
+            }
+        });
+        return result;
+    }, []);
+    var currErrors = utils.map(identicalAmbiguities, function (currAmbDescriptor) {
+        var ambgIndices = utils_1.map(currAmbDescriptor.alts, function (currAltIdx) { return currAltIdx + 1; });
+        var currMessage = errMsgProvider.buildAlternationAmbiguityError({
+            topLevelRule: rule,
+            alternation: alternation,
+            ambiguityIndices: ambgIndices,
+            prefixPath: currAmbDescriptor.path
+        });
+        return {
+            message: currMessage,
+            type: parser_1.ParserDefinitionErrorType.AMBIGUOUS_ALTS,
+            ruleName: rule.name,
+            occurrence: alternation.idx,
+            alternatives: [currAmbDescriptor.alts]
+        };
+    });
+    return currErrors;
+}
+function checkPrefixAlternativesAmbiguities(alternatives, alternation, rule, errMsgProvider) {
+    var errors = [];
+    // flatten
+    var pathsAndIndices = utils_1.reduce(alternatives, function (result, currAlt, idx) {
+        var currPathsAndIdx = utils_1.map(currAlt, function (currPath) {
+            return { idx: idx, path: currPath };
+        });
+        return result.concat(currPathsAndIdx);
+    }, []);
+    utils_1.forEach(pathsAndIndices, function (currPathAndIdx) {
+        var alternativeGast = alternation.definition[currPathAndIdx.idx];
+        // ignore (skip) ambiguities with this alternative
+        if (alternativeGast.ignoreAmbiguities === true) {
+            return;
+        }
+        var targetIdx = currPathAndIdx.idx;
+        var targetPath = currPathAndIdx.path;
+        var prefixAmbiguitiesPathsAndIndices = utils_1.findAll(pathsAndIndices, function (searchPathAndIdx) {
+            // prefix ambiguity can only be created from lower idx (higher priority) path
+            return (
+            // ignore (skip) ambiguities with this "other" alternative
+            alternation.definition[searchPathAndIdx.idx].ignoreAmbiguities !==
+                true &&
+                searchPathAndIdx.idx < targetIdx &&
+                // checking for strict prefix because identical lookaheads
+                // will be be detected using a different validation.
+                lookahead_1.isStrictPrefixOfPath(searchPathAndIdx.path, targetPath));
+        });
+        var currPathPrefixErrors = utils_1.map(prefixAmbiguitiesPathsAndIndices, function (currAmbPathAndIdx) {
+            var ambgIndices = [currAmbPathAndIdx.idx + 1, targetIdx + 1];
+            var occurrence = alternation.idx === 0 ? "" : alternation.idx;
+            var message = errMsgProvider.buildAlternationPrefixAmbiguityError({
+                topLevelRule: rule,
+                alternation: alternation,
+                ambiguityIndices: ambgIndices,
+                prefixPath: currAmbPathAndIdx.path
+            });
+            return {
+                message: message,
+                type: parser_1.ParserDefinitionErrorType.AMBIGUOUS_PREFIX_ALTS,
+                ruleName: rule.name,
+                occurrence: occurrence,
+                alternatives: ambgIndices
+            };
+        });
+        errors = errors.concat(currPathPrefixErrors);
+    });
+    return errors;
+}
+exports.checkPrefixAlternativesAmbiguities = checkPrefixAlternativesAmbiguities;
+function checkTerminalAndNoneTerminalsNameSpace(topLevels, tokenTypes, errMsgProvider) {
+    var errors = [];
+    var tokenNames = utils_1.map(tokenTypes, function (currToken) { return currToken.name; });
+    utils_1.forEach(topLevels, function (currRule) {
+        var currRuleName = currRule.name;
+        if (utils_1.contains(tokenNames, currRuleName)) {
+            var errMsg = errMsgProvider.buildNamespaceConflictError(currRule);
+            errors.push({
+                message: errMsg,
+                type: parser_1.ParserDefinitionErrorType.CONFLICT_TOKENS_RULES_NAMESPACE,
+                ruleName: currRuleName
+            });
+        }
+    });
+    return errors;
+}
+//# sourceMappingURL=checks.js.map

node_modules/chevrotain/lib/src/parse/grammar/first.js

@@ -0,0 +1,64 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.firstForTerminal = exports.firstForBranching = exports.firstForSequence = exports.first = void 0;
+var utils_1 = require("../../utils/utils");
+var gast_public_1 = require("./gast/gast_public");
+var gast_1 = require("./gast/gast");
+function first(prod) {
+    /* istanbul ignore else */
+    if (prod instanceof gast_public_1.NonTerminal) {
+        // this could in theory cause infinite loops if
+        // (1) prod A refs prod B.
+        // (2) prod B refs prod A
+        // (3) AB can match the empty set
+        // in other words a cycle where everything is optional so the first will keep
+        // looking ahead for the next optional part and will never exit
+        // currently there is no safeguard for this unique edge case because
+        // (1) not sure a grammar in which this can happen is useful for anything (productive)
+        return first(prod.referencedRule);
+    }
+    else if (prod instanceof gast_public_1.Terminal) {
+        return firstForTerminal(prod);
+    }
+    else if (gast_1.isSequenceProd(prod)) {
+        return firstForSequence(prod);
+    }
+    else if (gast_1.isBranchingProd(prod)) {
+        return firstForBranching(prod);
+    }
+    else {
+        throw Error("non exhaustive match");
+    }
+}
+exports.first = first;
+function firstForSequence(prod) {
+    var firstSet = [];
+    var seq = prod.definition;
+    var nextSubProdIdx = 0;
+    var hasInnerProdsRemaining = seq.length > nextSubProdIdx;
+    var currSubProd;
+    // so we enter the loop at least once (if the definition is not empty
+    var isLastInnerProdOptional = true;
+    // scan a sequence until it's end or until we have found a NONE optional production in it
+    while (hasInnerProdsRemaining && isLastInnerProdOptional) {
+        currSubProd = seq[nextSubProdIdx];
+        isLastInnerProdOptional = gast_1.isOptionalProd(currSubProd);
+        firstSet = firstSet.concat(first(currSubProd));
+        nextSubProdIdx = nextSubProdIdx + 1;
+        hasInnerProdsRemaining = seq.length > nextSubProdIdx;
+    }
+    return utils_1.uniq(firstSet);
+}
+exports.firstForSequence = firstForSequence;
+function firstForBranching(prod) {
+    var allAlternativesFirsts = utils_1.map(prod.definition, function (innerProd) {
+        return first(innerProd);
+    });
+    return utils_1.uniq(utils_1.flatten(allAlternativesFirsts));
+}
+exports.firstForBranching = firstForBranching;
+function firstForTerminal(terminal) {
+    return [terminal.terminalType];
+}
+exports.firstForTerminal = firstForTerminal;
+//# sourceMappingURL=first.js.map

node_modules/chevrotain/lib/src/parse/grammar/first.js.map

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node_modules/chevrotain/lib/src/parse/grammar/follow.js

@@ -0,0 +1,68 @@
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.buildInProdFollowPrefix = exports.buildBetweenProdsFollowPrefix = exports.computeAllProdsFollows = exports.ResyncFollowsWalker = void 0;
+var rest_1 = require("./rest");
+var first_1 = require("./first");
+var utils_1 = require("../../utils/utils");
+var constants_1 = require("../constants");
+var gast_public_1 = require("./gast/gast_public");
+// This ResyncFollowsWalker computes all of the follows required for RESYNC
+// (skipping reference production).
+var ResyncFollowsWalker = /** @class */ (function (_super) {
+    __extends(ResyncFollowsWalker, _super);
+    function ResyncFollowsWalker(topProd) {
+        var _this = _super.call(this) || this;
+        _this.topProd = topProd;
+        _this.follows = {};
+        return _this;
+    }
+    ResyncFollowsWalker.prototype.startWalking = function () {
+        this.walk(this.topProd);
+        return this.follows;
+    };
+    ResyncFollowsWalker.prototype.walkTerminal = function (terminal, currRest, prevRest) {
+        // do nothing! just like in the public sector after 13:00
+    };
+    ResyncFollowsWalker.prototype.walkProdRef = function (refProd, currRest, prevRest) {
+        var followName = buildBetweenProdsFollowPrefix(refProd.referencedRule, refProd.idx) +
+            this.topProd.name;
+        var fullRest = currRest.concat(prevRest);
+        var restProd = new gast_public_1.Alternative({ definition: fullRest });
+        var t_in_topProd_follows = first_1.first(restProd);
+        this.follows[followName] = t_in_topProd_follows;
+    };
+    return ResyncFollowsWalker;
+}(rest_1.RestWalker));
+exports.ResyncFollowsWalker = ResyncFollowsWalker;
+function computeAllProdsFollows(topProductions) {
+    var reSyncFollows = {};
+    utils_1.forEach(topProductions, function (topProd) {
+        var currRefsFollow = new ResyncFollowsWalker(topProd).startWalking();
+        utils_1.assign(reSyncFollows, currRefsFollow);
+    });
+    return reSyncFollows;
+}
+exports.computeAllProdsFollows = computeAllProdsFollows;
+function buildBetweenProdsFollowPrefix(inner, occurenceInParent) {
+    return inner.name + occurenceInParent + constants_1.IN;
+}
+exports.buildBetweenProdsFollowPrefix = buildBetweenProdsFollowPrefix;
+function buildInProdFollowPrefix(terminal) {
+    var terminalName = terminal.terminalType.name;
+    return terminalName + terminal.idx + constants_1.IN;
+}
+exports.buildInProdFollowPrefix = buildInProdFollowPrefix;
+//# sourceMappingURL=follow.js.map

node_modules/chevrotain/lib/src/parse/grammar/follow.js.map

@@ -0,0 +1 @@
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node_modules/chevrotain/lib/src/parse/grammar/gast/gast.js

@@ -0,0 +1,171 @@
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.collectMethods = exports.DslMethodsCollectorVisitor = exports.getProductionDslName = exports.isBranchingProd = exports.isOptionalProd = exports.isSequenceProd = void 0;
+var utils_1 = require("../../../utils/utils");
+var gast_public_1 = require("./gast_public");
+var gast_visitor_public_1 = require("./gast_visitor_public");
+function isSequenceProd(prod) {
+    return (prod instanceof gast_public_1.Alternative ||
+        prod instanceof gast_public_1.Option ||
+        prod instanceof gast_public_1.Repetition ||
+        prod instanceof gast_public_1.RepetitionMandatory ||
+        prod instanceof gast_public_1.RepetitionMandatoryWithSeparator ||
+        prod instanceof gast_public_1.RepetitionWithSeparator ||
+        prod instanceof gast_public_1.Terminal ||
+        prod instanceof gast_public_1.Rule);
+}
+exports.isSequenceProd = isSequenceProd;
+function isOptionalProd(prod, alreadyVisited) {
+    if (alreadyVisited === void 0) { alreadyVisited = []; }
+    var isDirectlyOptional = prod instanceof gast_public_1.Option ||
+        prod instanceof gast_public_1.Repetition ||
+        prod instanceof gast_public_1.RepetitionWithSeparator;
+    if (isDirectlyOptional) {
+        return true;
+    }
+    // note that this can cause infinite loop if one optional empty TOP production has a cyclic dependency with another
+    // empty optional top rule
+    // may be indirectly optional ((A?B?C?) | (D?E?F?))
+    if (prod instanceof gast_public_1.Alternation) {
+        // for OR its enough for just one of the alternatives to be optional
+        return utils_1.some(prod.definition, function (subProd) {
+            return isOptionalProd(subProd, alreadyVisited);
+        });
+    }
+    else if (prod instanceof gast_public_1.NonTerminal && utils_1.contains(alreadyVisited, prod)) {
+        // avoiding stack overflow due to infinite recursion
+        return false;
+    }
+    else if (prod instanceof gast_public_1.AbstractProduction) {
+        if (prod instanceof gast_public_1.NonTerminal) {
+            alreadyVisited.push(prod);
+        }
+        return utils_1.every(prod.definition, function (subProd) {
+            return isOptionalProd(subProd, alreadyVisited);
+        });
+    }
+    else {
+        return false;
+    }
+}
+exports.isOptionalProd = isOptionalProd;
+function isBranchingProd(prod) {
+    return prod instanceof gast_public_1.Alternation;
+}
+exports.isBranchingProd = isBranchingProd;
+function getProductionDslName(prod) {
+    /* istanbul ignore else */
+    if (prod instanceof gast_public_1.NonTerminal) {
+        return "SUBRULE";
+    }
+    else if (prod instanceof gast_public_1.Option) {
+        return "OPTION";
+    }
+    else if (prod instanceof gast_public_1.Alternation) {
+        return "OR";
+    }
+    else if (prod instanceof gast_public_1.RepetitionMandatory) {
+        return "AT_LEAST_ONE";
+    }
+    else if (prod instanceof gast_public_1.RepetitionMandatoryWithSeparator) {
+        return "AT_LEAST_ONE_SEP";
+    }
+    else if (prod instanceof gast_public_1.RepetitionWithSeparator) {
+        return "MANY_SEP";
+    }
+    else if (prod instanceof gast_public_1.Repetition) {
+        return "MANY";
+    }
+    else if (prod instanceof gast_public_1.Terminal) {
+        return "CONSUME";
+    }
+    else {
+        throw Error("non exhaustive match");
+    }
+}
+exports.getProductionDslName = getProductionDslName;
+var DslMethodsCollectorVisitor = /** @class */ (function (_super) {
+    __extends(DslMethodsCollectorVisitor, _super);
+    function DslMethodsCollectorVisitor() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        // A minus is never valid in an identifier name
+        _this.separator = "-";
+        _this.dslMethods = {
+            option: [],
+            alternation: [],
+            repetition: [],
+            repetitionWithSeparator: [],
+            repetitionMandatory: [],
+            repetitionMandatoryWithSeparator: []
+        };
+        return _this;
+    }
+    DslMethodsCollectorVisitor.prototype.reset = function () {
+        this.dslMethods = {
+            option: [],
+            alternation: [],
+            repetition: [],
+            repetitionWithSeparator: [],
+            repetitionMandatory: [],
+            repetitionMandatoryWithSeparator: []
+        };
+    };
+    DslMethodsCollectorVisitor.prototype.visitTerminal = function (terminal) {
+        var key = terminal.terminalType.name + this.separator + "Terminal";
+        if (!utils_1.has(this.dslMethods, key)) {
+            this.dslMethods[key] = [];
+        }
+        this.dslMethods[key].push(terminal);
+    };
+    DslMethodsCollectorVisitor.prototype.visitNonTerminal = function (subrule) {
+        var key = subrule.nonTerminalName + this.separator + "Terminal";
+        if (!utils_1.has(this.dslMethods, key)) {
+            this.dslMethods[key] = [];
+        }
+        this.dslMethods[key].push(subrule);
+    };
+    DslMethodsCollectorVisitor.prototype.visitOption = function (option) {
+        this.dslMethods.option.push(option);
+    };
+    DslMethodsCollectorVisitor.prototype.visitRepetitionWithSeparator = function (manySep) {
+        this.dslMethods.repetitionWithSeparator.push(manySep);
+    };
+    DslMethodsCollectorVisitor.prototype.visitRepetitionMandatory = function (atLeastOne) {
+        this.dslMethods.repetitionMandatory.push(atLeastOne);
+    };
+    DslMethodsCollectorVisitor.prototype.visitRepetitionMandatoryWithSeparator = function (atLeastOneSep) {
+        this.dslMethods.repetitionMandatoryWithSeparator.push(atLeastOneSep);
+    };
+    DslMethodsCollectorVisitor.prototype.visitRepetition = function (many) {
+        this.dslMethods.repetition.push(many);
+    };
+    DslMethodsCollectorVisitor.prototype.visitAlternation = function (or) {
+        this.dslMethods.alternation.push(or);
+    };
+    return DslMethodsCollectorVisitor;
+}(gast_visitor_public_1.GAstVisitor));
+exports.DslMethodsCollectorVisitor = DslMethodsCollectorVisitor;
+var collectorVisitor = new DslMethodsCollectorVisitor();
+function collectMethods(rule) {
+    collectorVisitor.reset();
+    rule.accept(collectorVisitor);
+    var dslMethods = collectorVisitor.dslMethods;
+    // avoid uncleaned references
+    collectorVisitor.reset();
+    return dslMethods;
+}
+exports.collectMethods = collectMethods;
+//# sourceMappingURL=gast.js.map

node_modules/chevrotain/lib/src/parse/grammar/gast/gast.js.map

@@ -0,0 +1 @@
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node_modules/chevrotain/lib/src/parse/grammar/gast/gast_public.js

@@ -0,0 +1,275 @@
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.serializeProduction = exports.serializeGrammar = exports.Terminal = exports.Alternation = exports.RepetitionWithSeparator = exports.Repetition = exports.RepetitionMandatoryWithSeparator = exports.RepetitionMandatory = exports.Option = exports.Alternative = exports.Rule = exports.NonTerminal = exports.AbstractProduction = void 0;
+var utils_1 = require("../../../utils/utils");
+var tokens_public_1 = require("../../../scan/tokens_public");
+var AbstractProduction = /** @class */ (function () {
+    function AbstractProduction(_definition) {
+        this._definition = _definition;
+    }
+    Object.defineProperty(AbstractProduction.prototype, "definition", {
+        get: function () {
+            return this._definition;
+        },
+        set: function (value) {
+            this._definition = value;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    AbstractProduction.prototype.accept = function (visitor) {
+        visitor.visit(this);
+        utils_1.forEach(this.definition, function (prod) {
+            prod.accept(visitor);
+        });
+    };
+    return AbstractProduction;
+}());
+exports.AbstractProduction = AbstractProduction;
+var NonTerminal = /** @class */ (function (_super) {
+    __extends(NonTerminal, _super);
+    function NonTerminal(options) {
+        var _this = _super.call(this, []) || this;
+        _this.idx = 1;
+        utils_1.assign(_this, utils_1.pick(options, function (v) { return v !== undefined; }));
+        return _this;
+    }
+    Object.defineProperty(NonTerminal.prototype, "definition", {
+        get: function () {
+            if (this.referencedRule !== undefined) {
+                return this.referencedRule.definition;
+            }
+            return [];
+        },
+        set: function (definition) {
+            // immutable
+        },
+        enumerable: false,
+        configurable: true
+    });
+    NonTerminal.prototype.accept = function (visitor) {
+        visitor.visit(this);
+        // don't visit children of a reference, we will get cyclic infinite loops if we do so
+    };
+    return NonTerminal;
+}(AbstractProduction));
+exports.NonTerminal = NonTerminal;
+var Rule = /** @class */ (function (_super) {
+    __extends(Rule, _super);
+    function Rule(options) {
+        var _this = _super.call(this, options.definition) || this;
+        _this.orgText = "";
+        utils_1.assign(_this, utils_1.pick(options, function (v) { return v !== undefined; }));
+        return _this;
+    }
+    return Rule;
+}(AbstractProduction));
+exports.Rule = Rule;
+var Alternative = /** @class */ (function (_super) {
+    __extends(Alternative, _super);
+    function Alternative(options) {
+        var _this = _super.call(this, options.definition) || this;
+        _this.ignoreAmbiguities = false;
+        utils_1.assign(_this, utils_1.pick(options, function (v) { return v !== undefined; }));
+        return _this;
+    }
+    return Alternative;
+}(AbstractProduction));
+exports.Alternative = Alternative;
+var Option = /** @class */ (function (_super) {
+    __extends(Option, _super);
+    function Option(options) {
+        var _this = _super.call(this, options.definition) || this;
+        _this.idx = 1;
+        utils_1.assign(_this, utils_1.pick(options, function (v) { return v !== undefined; }));
+        return _this;
+    }
+    return Option;
+}(AbstractProduction));
+exports.Option = Option;
+var RepetitionMandatory = /** @class */ (function (_super) {
+    __extends(RepetitionMandatory, _super);
+    function RepetitionMandatory(options) {
+        var _this = _super.call(this, options.definition) || this;
+        _this.idx = 1;
+        utils_1.assign(_this, utils_1.pick(options, function (v) { return v !== undefined; }));
+        return _this;
+    }
+    return RepetitionMandatory;
+}(AbstractProduction));
+exports.RepetitionMandatory = RepetitionMandatory;
+var RepetitionMandatoryWithSeparator = /** @class */ (function (_super) {
+    __extends(RepetitionMandatoryWithSeparator, _super);
+    function RepetitionMandatoryWithSeparator(options) {
+        var _this = _super.call(this, options.definition) || this;
+        _this.idx = 1;
+        utils_1.assign(_this, utils_1.pick(options, function (v) { return v !== undefined; }));
+        return _this;
+    }
+    return RepetitionMandatoryWithSeparator;
+}(AbstractProduction));
+exports.RepetitionMandatoryWithSeparator = RepetitionMandatoryWithSeparator;
+var Repetition = /** @class */ (function (_super) {
+    __extends(Repetition, _super);
+    function Repetition(options) {
+        var _this = _super.call(this, options.definition) || this;
+        _this.idx = 1;
+        utils_1.assign(_this, utils_1.pick(options, function (v) { return v !== undefined; }));
+        return _this;
+    }
+    return Repetition;
+}(AbstractProduction));
+exports.Repetition = Repetition;
+var RepetitionWithSeparator = /** @class */ (function (_super) {
+    __extends(RepetitionWithSeparator, _super);
+    function RepetitionWithSeparator(options) {
+        var _this = _super.call(this, options.definition) || this;
+        _this.idx = 1;
+        utils_1.assign(_this, utils_1.pick(options, function (v) { return v !== undefined; }));
+        return _this;
+    }
+    return RepetitionWithSeparator;
+}(AbstractProduction));
+exports.RepetitionWithSeparator = RepetitionWithSeparator;
+var Alternation = /** @class */ (function (_super) {
+    __extends(Alternation, _super);
+    function Alternation(options) {
+        var _this = _super.call(this, options.definition) || this;
+        _this.idx = 1;
+        _this.ignoreAmbiguities = false;
+        _this.hasPredicates = false;
+        utils_1.assign(_this, utils_1.pick(options, function (v) { return v !== undefined; }));
+        return _this;
+    }
+    Object.defineProperty(Alternation.prototype, "definition", {
+        get: function () {
+            return this._definition;
+        },
+        set: function (value) {
+            this._definition = value;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    return Alternation;
+}(AbstractProduction));
+exports.Alternation = Alternation;
+var Terminal = /** @class */ (function () {
+    function Terminal(options) {
+        this.idx = 1;
+        utils_1.assign(this, utils_1.pick(options, function (v) { return v !== undefined; }));
+    }
+    Terminal.prototype.accept = function (visitor) {
+        visitor.visit(this);
+    };
+    return Terminal;
+}());
+exports.Terminal = Terminal;
+function serializeGrammar(topRules) {
+    return utils_1.map(topRules, serializeProduction);
+}
+exports.serializeGrammar = serializeGrammar;
+function serializeProduction(node) {
+    function convertDefinition(definition) {
+        return utils_1.map(definition, serializeProduction);
+    }
+    /* istanbul ignore else */
+    if (node instanceof NonTerminal) {
+        return {
+            type: "NonTerminal",
+            name: node.nonTerminalName,
+            idx: node.idx
+        };
+    }
+    else if (node instanceof Alternative) {
+        return {
+            type: "Alternative",
+            definition: convertDefinition(node.definition)
+        };
+    }
+    else if (node instanceof Option) {
+        return {
+            type: "Option",
+            idx: node.idx,
+            definition: convertDefinition(node.definition)
+        };
+    }
+    else if (node instanceof RepetitionMandatory) {
+        return {
+            type: "RepetitionMandatory",
+            idx: node.idx,
+            definition: convertDefinition(node.definition)
+        };
+    }
+    else if (node instanceof RepetitionMandatoryWithSeparator) {
+        return {
+            type: "RepetitionMandatoryWithSeparator",
+            idx: node.idx,
+            separator: (serializeProduction(new Terminal({ terminalType: node.separator }))),
+            definition: convertDefinition(node.definition)
+        };
+    }
+    else if (node instanceof RepetitionWithSeparator) {
+        return {
+            type: "RepetitionWithSeparator",
+            idx: node.idx,
+            separator: (serializeProduction(new Terminal({ terminalType: node.separator }))),
+            definition: convertDefinition(node.definition)
+        };
+    }
+    else if (node instanceof Repetition) {
+        return {
+            type: "Repetition",
+            idx: node.idx,
+            definition: convertDefinition(node.definition)
+        };
+    }
+    else if (node instanceof Alternation) {
+        return {
+            type: "Alternation",
+            idx: node.idx,
+            definition: convertDefinition(node.definition)
+        };
+    }
+    else if (node instanceof Terminal) {
+        var serializedTerminal = {
+            type: "Terminal",
+            name: node.terminalType.name,
+            label: tokens_public_1.tokenLabel(node.terminalType),
+            idx: node.idx
+        };
+        var pattern = node.terminalType.PATTERN;
+        if (node.terminalType.PATTERN) {
+            serializedTerminal.pattern = utils_1.isRegExp(pattern)
+                ? pattern.source
+                : pattern;
+        }
+        return serializedTerminal;
+    }
+    else if (node instanceof Rule) {
+        return {
+            type: "Rule",
+            name: node.name,
+            orgText: node.orgText,
+            definition: convertDefinition(node.definition)
+        };
+    }
+    else {
+        throw Error("non exhaustive match");
+    }
+}
+exports.serializeProduction = serializeProduction;
+//# sourceMappingURL=gast_public.js.map

node_modules/chevrotain/lib/src/parse/grammar/gast/gast_resolver_public.js

@@ -0,0 +1,39 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.assignOccurrenceIndices = exports.validateGrammar = exports.resolveGrammar = void 0;
+var utils_1 = require("../../../utils/utils");
+var resolver_1 = require("../resolver");
+var checks_1 = require("../checks");
+var errors_public_1 = require("../../errors_public");
+var gast_1 = require("./gast");
+function resolveGrammar(options) {
+    options = utils_1.defaults(options, {
+        errMsgProvider: errors_public_1.defaultGrammarResolverErrorProvider
+    });
+    var topRulesTable = {};
+    utils_1.forEach(options.rules, function (rule) {
+        topRulesTable[rule.name] = rule;
+    });
+    return resolver_1.resolveGrammar(topRulesTable, options.errMsgProvider);
+}
+exports.resolveGrammar = resolveGrammar;
+function validateGrammar(options) {
+    options = utils_1.defaults(options, {
+        errMsgProvider: errors_public_1.defaultGrammarValidatorErrorProvider
+    });
+    return checks_1.validateGrammar(options.rules, options.maxLookahead, options.tokenTypes, options.errMsgProvider, options.grammarName);
+}
+exports.validateGrammar = validateGrammar;
+function assignOccurrenceIndices(options) {
+    utils_1.forEach(options.rules, function (currRule) {
+        var methodsCollector = new gast_1.DslMethodsCollectorVisitor();
+        currRule.accept(methodsCollector);
+        utils_1.forEach(methodsCollector.dslMethods, function (methods) {
+            utils_1.forEach(methods, function (currMethod, arrIdx) {
+                currMethod.idx = arrIdx + 1;
+            });
+        });
+    });
+}
+exports.assignOccurrenceIndices = assignOccurrenceIndices;
+//# sourceMappingURL=gast_resolver_public.js.map

node_modules/chevrotain/lib/src/parse/grammar/gast/gast_resolver_public.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"gast_resolver_public.js","sourceRoot":"","sources":["../../../../../src/parse/grammar/gast/gast_resolver_public.ts"],"names":[],"mappings":";;;AAEA,8CAAwD;AACxD,wCAAiE;AACjE,oCAAiE;AACjE,qDAG4B;AAC5B,+BAAmD;AASnD,SAAgB,cAAc,CAAC,OAG9B;IACC,OAAO,GAAG,gBAAQ,CAAC,OAAO,EAAE;QAC1B,cAAc,EAAE,mDAAmC;KACpD,CAAC,CAAA;IAEF,IAAM,aAAa,GAAG,EAAE,CAAA;IACxB,eAAO,CAAC,OAAO,CAAC,KAAK,EAAE,UAAC,IAAI;QAC1B,aAAa,CAAC,IAAI,CAAC,IAAI,CAAC,GAAG,IAAI,CAAA;IACjC,CAAC,CAAC,CAAA;IACF,OAAO,yBAAiB,CAAC,aAAa,EAAE,OAAO,CAAC,cAAc,CAAC,CAAA;AACjE,CAAC;AAbD,wCAaC;AAED,SAAgB,eAAe,CAAC,OAM/B;IACC,OAAO,GAAG,gBAAQ,CAAC,OAAO,EAAE;QAC1B,cAAc,EAAE,oDAAoC;KACrD,CAAC,CAAA;IAEF,OAAO,wBAAkB,CACvB,OAAO,CAAC,KAAK,EACb,OAAO,CAAC,YAAY,EACpB,OAAO,CAAC,UAAU,EAClB,OAAO,CAAC,cAAc,EACtB,OAAO,CAAC,WAAW,CACpB,CAAA;AACH,CAAC;AAlBD,0CAkBC;AAED,SAAgB,uBAAuB,CAAC,OAA0B;IAChE,eAAO,CAAC,OAAO,CAAC,KAAK,EAAE,UAAC,QAAQ;QAC9B,IAAM,gBAAgB,GAAG,IAAI,iCAA0B,EAAE,CAAA;QACzD,QAAQ,CAAC,MAAM,CAAC,gBAAgB,CAAC,CAAA;QACjC,eAAO,CAAC,gBAAgB,CAAC,UAAU,EAAE,UAAC,OAAO;YAC3C,eAAO,CAAC,OAAO,EAAE,UAAC,UAAqC,EAAE,MAAM;gBAC7D,UAAU,CAAC,GAAG,GAAG,MAAM,GAAG,CAAC,CAAA;YAC7B,CAAC,CAAC,CAAA;QACJ,CAAC,CAAC,CAAA;IACJ,CAAC,CAAC,CAAA;AACJ,CAAC;AAVD,0DAUC"}

node_modules/chevrotain/lib/src/parse/grammar/gast/gast_visitor_public.js

@@ -0,0 +1,49 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.GAstVisitor = void 0;
+var gast_public_1 = require("./gast_public");
+var GAstVisitor = /** @class */ (function () {
+    function GAstVisitor() {
+    }
+    GAstVisitor.prototype.visit = function (node) {
+        var nodeAny = node;
+        switch (nodeAny.constructor) {
+            case gast_public_1.NonTerminal:
+                return this.visitNonTerminal(nodeAny);
+            case gast_public_1.Alternative:
+                return this.visitAlternative(nodeAny);
+            case gast_public_1.Option:
+                return this.visitOption(nodeAny);
+            case gast_public_1.RepetitionMandatory:
+                return this.visitRepetitionMandatory(nodeAny);
+            case gast_public_1.RepetitionMandatoryWithSeparator:
+                return this.visitRepetitionMandatoryWithSeparator(nodeAny);
+            case gast_public_1.RepetitionWithSeparator:
+                return this.visitRepetitionWithSeparator(nodeAny);
+            case gast_public_1.Repetition:
+                return this.visitRepetition(nodeAny);
+            case gast_public_1.Alternation:
+                return this.visitAlternation(nodeAny);
+            case gast_public_1.Terminal:
+                return this.visitTerminal(nodeAny);
+            case gast_public_1.Rule:
+                return this.visitRule(nodeAny);
+            /* istanbul ignore next */
+            default:
+                throw Error("non exhaustive match");
+        }
+    };
+    GAstVisitor.prototype.visitNonTerminal = function (node) { };
+    GAstVisitor.prototype.visitAlternative = function (node) { };
+    GAstVisitor.prototype.visitOption = function (node) { };
+    GAstVisitor.prototype.visitRepetition = function (node) { };
+    GAstVisitor.prototype.visitRepetitionMandatory = function (node) { };
+    GAstVisitor.prototype.visitRepetitionMandatoryWithSeparator = function (node) { };
+    GAstVisitor.prototype.visitRepetitionWithSeparator = function (node) { };
+    GAstVisitor.prototype.visitAlternation = function (node) { };
+    GAstVisitor.prototype.visitTerminal = function (node) { };
+    GAstVisitor.prototype.visitRule = function (node) { };
+    return GAstVisitor;
+}());
+exports.GAstVisitor = GAstVisitor;
+//# sourceMappingURL=gast_visitor_public.js.map

node_modules/chevrotain/lib/src/parse/grammar/gast/gast_visitor_public.js.map

@@ -0,0 +1 @@
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node_modules/chevrotain/lib/src/parse/grammar/interpreter.js

@@ -0,0 +1,548 @@
+"use strict";
+/* istanbul ignore next */ var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.nextPossibleTokensAfter = exports.possiblePathsFrom = exports.NextTerminalAfterAtLeastOneSepWalker = exports.NextTerminalAfterAtLeastOneWalker = exports.NextTerminalAfterManySepWalker = exports.NextTerminalAfterManyWalker = exports.AbstractNextTerminalAfterProductionWalker = exports.NextAfterTokenWalker = exports.AbstractNextPossibleTokensWalker = void 0;
+var rest_1 = require("./rest");
+var utils_1 = require("../../utils/utils");
+var first_1 = require("./first");
+var gast_public_1 = require("./gast/gast_public");
+var AbstractNextPossibleTokensWalker = /** @class */ (function (_super) {
+    __extends(AbstractNextPossibleTokensWalker, _super);
+    function AbstractNextPossibleTokensWalker(topProd, path) {
+        var _this = _super.call(this) /* istanbul ignore next */ || this;
+        _this.topProd = topProd;
+        _this.path = path;
+        _this.possibleTokTypes = [];
+        _this.nextProductionName = "";
+        _this.nextProductionOccurrence = 0;
+        _this.found = false;
+        _this.isAtEndOfPath = false;
+        return _this;
+    }
+    AbstractNextPossibleTokensWalker.prototype.startWalking = function () {
+        this.found = false;
+        if (this.path.ruleStack[0] !== this.topProd.name) {
+            throw Error("The path does not start with the walker's top Rule!");
+        }
+        // immutable for the win
+        this.ruleStack = utils_1.cloneArr(this.path.ruleStack).reverse(); // intelij bug requires assertion
+        this.occurrenceStack = utils_1.cloneArr(this.path.occurrenceStack).reverse(); // intelij bug requires assertion
+        // already verified that the first production is valid, we now seek the 2nd production
+        this.ruleStack.pop();
+        this.occurrenceStack.pop();
+        this.updateExpectedNext();
+        this.walk(this.topProd);
+        return this.possibleTokTypes;
+    };
+    AbstractNextPossibleTokensWalker.prototype.walk = function (prod, prevRest) {
+        if (prevRest === void 0) { prevRest = []; }
+        // stop scanning once we found the path
+        if (!this.found) {
+            _super.prototype.walk.call(this, prod, prevRest);
+        }
+    };
+    AbstractNextPossibleTokensWalker.prototype.walkProdRef = function (refProd, currRest, prevRest) {
+        // found the next production, need to keep walking in it
+        if (refProd.referencedRule.name === this.nextProductionName &&
+            refProd.idx === this.nextProductionOccurrence) {
+            var fullRest = currRest.concat(prevRest);
+            this.updateExpectedNext();
+            this.walk(refProd.referencedRule, fullRest);
+        }
+    };
+    AbstractNextPossibleTokensWalker.prototype.updateExpectedNext = function () {
+        // need to consume the Terminal
+        if (utils_1.isEmpty(this.ruleStack)) {
+            // must reset nextProductionXXX to avoid walking down another Top Level production while what we are
+            // really seeking is the last Terminal...
+            this.nextProductionName = "";
+            this.nextProductionOccurrence = 0;
+            this.isAtEndOfPath = true;
+        }
+        else {
+            this.nextProductionName = this.ruleStack.pop();
+            this.nextProductionOccurrence = this.occurrenceStack.pop();
+        }
+    };
+    return AbstractNextPossibleTokensWalker;
+}(rest_1.RestWalker));
+exports.AbstractNextPossibleTokensWalker = AbstractNextPossibleTokensWalker;
+var NextAfterTokenWalker = /** @class */ (function (_super) {
+    __extends(NextAfterTokenWalker, _super);
+    function NextAfterTokenWalker(topProd, path) {
+        var _this = _super.call(this, topProd, path) /* istanbul ignore next */ || this;
+        _this.path = path;
+        _this.nextTerminalName = "";
+        _this.nextTerminalOccurrence = 0;
+        _this.nextTerminalName = _this.path.lastTok.name;
+        _this.nextTerminalOccurrence = _this.path.lastTokOccurrence;
+        return _this;
+    }
+    NextAfterTokenWalker.prototype.walkTerminal = function (terminal, currRest, prevRest) {
+        if (this.isAtEndOfPath &&
+            terminal.terminalType.name === this.nextTerminalName &&
+            terminal.idx === this.nextTerminalOccurrence &&
+            !this.found) {
+            var fullRest = currRest.concat(prevRest);
+            var restProd = new gast_public_1.Alternative({ definition: fullRest });
+            this.possibleTokTypes = first_1.first(restProd);
+            this.found = true;
+        }
+    };
+    return NextAfterTokenWalker;
+}(AbstractNextPossibleTokensWalker));
+exports.NextAfterTokenWalker = NextAfterTokenWalker;
+/**
+ * This walker only "walks" a single "TOP" level in the Grammar Ast, this means
+ * it never "follows" production refs
+ */
+var AbstractNextTerminalAfterProductionWalker = /** @class */ (function (_super) {
+    __extends(AbstractNextTerminalAfterProductionWalker, _super);
+    function AbstractNextTerminalAfterProductionWalker(topRule, occurrence) {
+        var _this = _super.call(this) /* istanbul ignore next */ || this;
+        _this.topRule = topRule;
+        _this.occurrence = occurrence;
+        _this.result = {
+            token: undefined,
+            occurrence: undefined,
+            isEndOfRule: undefined
+        };
+        return _this;
+    }
+    AbstractNextTerminalAfterProductionWalker.prototype.startWalking = function () {
+        this.walk(this.topRule);
+        return this.result;
+    };
+    return AbstractNextTerminalAfterProductionWalker;
+}(rest_1.RestWalker));
+exports.AbstractNextTerminalAfterProductionWalker = AbstractNextTerminalAfterProductionWalker;
+var NextTerminalAfterManyWalker = /** @class */ (function (_super) {
+    __extends(NextTerminalAfterManyWalker, _super);
+    function NextTerminalAfterManyWalker() {
+        return _super !== null && _super.apply(this, arguments) /* istanbul ignore next */ || this;
+    }
+    NextTerminalAfterManyWalker.prototype.walkMany = function (manyProd, currRest, prevRest) {
+        if (manyProd.idx === this.occurrence) {
+            var firstAfterMany = utils_1.first(currRest.concat(prevRest));
+            this.result.isEndOfRule = firstAfterMany === undefined;
+            if (firstAfterMany instanceof gast_public_1.Terminal) {
+                this.result.token = firstAfterMany.terminalType;
+                this.result.occurrence = firstAfterMany.idx;
+            }
+        }
+        else {
+            _super.prototype.walkMany.call(this, manyProd, currRest, prevRest);
+        }
+    };
+    return NextTerminalAfterManyWalker;
+}(AbstractNextTerminalAfterProductionWalker));
+exports.NextTerminalAfterManyWalker = NextTerminalAfterManyWalker;
+var NextTerminalAfterManySepWalker = /** @class */ (function (_super) {
+    __extends(NextTerminalAfterManySepWalker, _super);
+    function NextTerminalAfterManySepWalker() {
+        return _super !== null && _super.apply(this, arguments) /* istanbul ignore next */ || this;
+    }
+    NextTerminalAfterManySepWalker.prototype.walkManySep = function (manySepProd, currRest, prevRest) {
+        if (manySepProd.idx === this.occurrence) {
+            var firstAfterManySep = utils_1.first(currRest.concat(prevRest));
+            this.result.isEndOfRule = firstAfterManySep === undefined;
+            if (firstAfterManySep instanceof gast_public_1.Terminal) {
+                this.result.token = firstAfterManySep.terminalType;
+                this.result.occurrence = firstAfterManySep.idx;
+            }
+        }
+        else {
+            _super.prototype.walkManySep.call(this, manySepProd, currRest, prevRest);
+        }
+    };
+    return NextTerminalAfterManySepWalker;
+}(AbstractNextTerminalAfterProductionWalker));
+exports.NextTerminalAfterManySepWalker = NextTerminalAfterManySepWalker;
+var NextTerminalAfterAtLeastOneWalker = /** @class */ (function (_super) {
+    __extends(NextTerminalAfterAtLeastOneWalker, _super);
+    function NextTerminalAfterAtLeastOneWalker() {
+        return _super !== null && _super.apply(this, arguments) /* istanbul ignore next */ || this;
+    }
+    NextTerminalAfterAtLeastOneWalker.prototype.walkAtLeastOne = function (atLeastOneProd, currRest, prevRest) {
+        if (atLeastOneProd.idx === this.occurrence) {
+            var firstAfterAtLeastOne = utils_1.first(currRest.concat(prevRest));
+            this.result.isEndOfRule = firstAfterAtLeastOne === undefined;
+            if (firstAfterAtLeastOne instanceof gast_public_1.Terminal) {
+                this.result.token = firstAfterAtLeastOne.terminalType;
+                this.result.occurrence = firstAfterAtLeastOne.idx;
+            }
+        }
+        else {
+            _super.prototype.walkAtLeastOne.call(this, atLeastOneProd, currRest, prevRest);
+        }
+    };
+    return NextTerminalAfterAtLeastOneWalker;
+}(AbstractNextTerminalAfterProductionWalker));
+exports.NextTerminalAfterAtLeastOneWalker = NextTerminalAfterAtLeastOneWalker;
+// TODO: reduce code duplication in the AfterWalkers
+var NextTerminalAfterAtLeastOneSepWalker = /** @class */ (function (_super) {
+    __extends(NextTerminalAfterAtLeastOneSepWalker, _super);
+    function NextTerminalAfterAtLeastOneSepWalker() {
+        return _super !== null && _super.apply(this, arguments) /* istanbul ignore next */ || this;
+    }
+    NextTerminalAfterAtLeastOneSepWalker.prototype.walkAtLeastOneSep = function (atleastOneSepProd, currRest, prevRest) {
+        if (atleastOneSepProd.idx === this.occurrence) {
+            var firstAfterfirstAfterAtLeastOneSep = utils_1.first(currRest.concat(prevRest));
+            this.result.isEndOfRule = firstAfterfirstAfterAtLeastOneSep === undefined;
+            if (firstAfterfirstAfterAtLeastOneSep instanceof gast_public_1.Terminal) {
+                this.result.token = firstAfterfirstAfterAtLeastOneSep.terminalType;
+                this.result.occurrence = firstAfterfirstAfterAtLeastOneSep.idx;
+            }
+        }
+        else {
+            _super.prototype.walkAtLeastOneSep.call(this, atleastOneSepProd, currRest, prevRest);
+        }
+    };
+    return NextTerminalAfterAtLeastOneSepWalker;
+}(AbstractNextTerminalAfterProductionWalker));
+exports.NextTerminalAfterAtLeastOneSepWalker = NextTerminalAfterAtLeastOneSepWalker;
+function possiblePathsFrom(targetDef, maxLength, currPath) {
+    if (currPath === void 0) { currPath = []; }
+    // avoid side effects
+    currPath = utils_1.cloneArr(currPath);
+    var result = [];
+    var i = 0;
+    // TODO: avoid inner funcs
+    function remainingPathWith(nextDef) {
+        return nextDef.concat(utils_1.drop(targetDef, i + 1));
+    }
+    // TODO: avoid inner funcs
+    function getAlternativesForProd(definition) {
+        var alternatives = possiblePathsFrom(remainingPathWith(definition), maxLength, currPath);
+        return result.concat(alternatives);
+    }
+    /**
+     * Mandatory productions will halt the loop as the paths computed from their recursive calls will already contain the
+     * following (rest) of the targetDef.
+     *
+     * For optional productions (Option/Repetition/...) the loop will continue to represent the paths that do not include the
+     * the optional production.
+     */
+    while (currPath.length < maxLength && i < targetDef.length) {
+        var prod = targetDef[i];
+        /* istanbul ignore else */
+        if (prod instanceof gast_public_1.Alternative) {
+            return getAlternativesForProd(prod.definition);
+        }
+        else if (prod instanceof gast_public_1.NonTerminal) {
+            return getAlternativesForProd(prod.definition);
+        }
+        else if (prod instanceof gast_public_1.Option) {
+            result = getAlternativesForProd(prod.definition);
+        }
+        else if (prod instanceof gast_public_1.RepetitionMandatory) {
+            var newDef = prod.definition.concat([
+                new gast_public_1.Repetition({
+                    definition: prod.definition
+                })
+            ]);
+            return getAlternativesForProd(newDef);
+        }
+        else if (prod instanceof gast_public_1.RepetitionMandatoryWithSeparator) {
+            var newDef = [
+                new gast_public_1.Alternative({ definition: prod.definition }),
+                new gast_public_1.Repetition({
+                    definition: [new gast_public_1.Terminal({ terminalType: prod.separator })].concat(prod.definition)
+                })
+            ];
+            return getAlternativesForProd(newDef);
+        }
+        else if (prod instanceof gast_public_1.RepetitionWithSeparator) {
+            var newDef = prod.definition.concat([
+                new gast_public_1.Repetition({
+                    definition: [new gast_public_1.Terminal({ terminalType: prod.separator })].concat(prod.definition)
+                })
+            ]);
+            result = getAlternativesForProd(newDef);
+        }
+        else if (prod instanceof gast_public_1.Repetition) {
+            var newDef = prod.definition.concat([
+                new gast_public_1.Repetition({
+                    definition: prod.definition
+                })
+            ]);
+            result = getAlternativesForProd(newDef);
+        }
+        else if (prod instanceof gast_public_1.Alternation) {
+            utils_1.forEach(prod.definition, function (currAlt) {
+                // TODO: this is a limited check for empty alternatives
+                //   It would prevent a common case of infinite loops during parser initialization.
+                //   However **in-directly** empty alternatives may still cause issues.
+                if (utils_1.isEmpty(currAlt.definition) === false) {
+                    result = getAlternativesForProd(currAlt.definition);
+                }
+            });
+            return result;
+        }
+        else if (prod instanceof gast_public_1.Terminal) {
+            currPath.push(prod.terminalType);
+        }
+        else {
+            throw Error("non exhaustive match");
+        }
+        i++;
+    }
+    result.push({
+        partialPath: currPath,
+        suffixDef: utils_1.drop(targetDef, i)
+    });
+    return result;
+}
+exports.possiblePathsFrom = possiblePathsFrom;
+function nextPossibleTokensAfter(initialDef, tokenVector, tokMatcher, maxLookAhead) {
+    var EXIT_NON_TERMINAL = "EXIT_NONE_TERMINAL";
+    // to avoid creating a new Array each time.
+    var EXIT_NON_TERMINAL_ARR = [EXIT_NON_TERMINAL];
+    var EXIT_ALTERNATIVE = "EXIT_ALTERNATIVE";
+    var foundCompletePath = false;
+    var tokenVectorLength = tokenVector.length;
+    var minimalAlternativesIndex = tokenVectorLength - maxLookAhead - 1;
+    var result = [];
+    var possiblePaths = [];
+    possiblePaths.push({
+        idx: -1,
+        def: initialDef,
+        ruleStack: [],
+        occurrenceStack: []
+    });
+    while (!utils_1.isEmpty(possiblePaths)) {
+        var currPath = possiblePaths.pop();
+        // skip alternatives if no more results can be found (assuming deterministic grammar with fixed lookahead)
+        if (currPath === EXIT_ALTERNATIVE) {
+            if (foundCompletePath &&
+                utils_1.last(possiblePaths).idx <= minimalAlternativesIndex) {
+                // remove irrelevant alternative
+                possiblePaths.pop();
+            }
+            continue;
+        }
+        var currDef = currPath.def;
+        var currIdx = currPath.idx;
+        var currRuleStack = currPath.ruleStack;
+        var currOccurrenceStack = currPath.occurrenceStack;
+        // For Example: an empty path could exist in a valid grammar in the case of an EMPTY_ALT
+        if (utils_1.isEmpty(currDef)) {
+            continue;
+        }
+        var prod = currDef[0];
+        /* istanbul ignore else */
+        if (prod === EXIT_NON_TERMINAL) {
+            var nextPath = {
+                idx: currIdx,
+                def: utils_1.drop(currDef),
+                ruleStack: utils_1.dropRight(currRuleStack),
+                occurrenceStack: utils_1.dropRight(currOccurrenceStack)
+            };
+            possiblePaths.push(nextPath);
+        }
+        else if (prod instanceof gast_public_1.Terminal) {
+            /* istanbul ignore else */
+            if (currIdx < tokenVectorLength - 1) {
+                var nextIdx = currIdx + 1;
+                var actualToken = tokenVector[nextIdx];
+                if (tokMatcher(actualToken, prod.terminalType)) {
+                    var nextPath = {
+                        idx: nextIdx,
+                        def: utils_1.drop(currDef),
+                        ruleStack: currRuleStack,
+                        occurrenceStack: currOccurrenceStack
+                    };
+                    possiblePaths.push(nextPath);
+                }
+                // end of the line
+            }
+            else if (currIdx === tokenVectorLength - 1) {
+                // IGNORE ABOVE ELSE
+                result.push({
+                    nextTokenType: prod.terminalType,
+                    nextTokenOccurrence: prod.idx,
+                    ruleStack: currRuleStack,
+                    occurrenceStack: currOccurrenceStack
+                });
+                foundCompletePath = true;
+            }
+            else {
+                throw Error("non exhaustive match");
+            }
+        }
+        else if (prod instanceof gast_public_1.NonTerminal) {
+            var newRuleStack = utils_1.cloneArr(currRuleStack);
+            newRuleStack.push(prod.nonTerminalName);
+            var newOccurrenceStack = utils_1.cloneArr(currOccurrenceStack);
+            newOccurrenceStack.push(prod.idx);
+            var nextPath = {
+                idx: currIdx,
+                def: prod.definition.concat(EXIT_NON_TERMINAL_ARR, utils_1.drop(currDef)),
+                ruleStack: newRuleStack,
+                occurrenceStack: newOccurrenceStack
+            };
+            possiblePaths.push(nextPath);
+        }
+        else if (prod instanceof gast_public_1.Option) {
+            // the order of alternatives is meaningful, FILO (Last path will be traversed first).
+            var nextPathWithout = {
+                idx: currIdx,
+                def: utils_1.drop(currDef),
+                ruleStack: currRuleStack,
+                occurrenceStack: currOccurrenceStack
+            };
+            possiblePaths.push(nextPathWithout);
+            // required marker to avoid backtracking paths whose higher priority alternatives already matched
+            possiblePaths.push(EXIT_ALTERNATIVE);
+            var nextPathWith = {
+                idx: currIdx,
+                def: prod.definition.concat(utils_1.drop(currDef)),
+                ruleStack: currRuleStack,
+                occurrenceStack: currOccurrenceStack
+            };
+            possiblePaths.push(nextPathWith);
+        }
+        else if (prod instanceof gast_public_1.RepetitionMandatory) {
+            // TODO:(THE NEW operators here take a while...) (convert once?)
+            var secondIteration = new gast_public_1.Repetition({
+                definition: prod.definition,
+                idx: prod.idx
+            });
+            var nextDef = prod.definition.concat([secondIteration], utils_1.drop(currDef));
+            var nextPath = {
+                idx: currIdx,
+                def: nextDef,
+                ruleStack: currRuleStack,
+                occurrenceStack: currOccurrenceStack
+            };
+            possiblePaths.push(nextPath);
+        }
+        else if (prod instanceof gast_public_1.RepetitionMandatoryWithSeparator) {
+            // TODO:(THE NEW operators here take a while...) (convert once?)
+            var separatorGast = new gast_public_1.Terminal({
+                terminalType: prod.separator
+            });
+            var secondIteration = new gast_public_1.Repetition({
+                definition: [separatorGast].concat(prod.definition),
+                idx: prod.idx
+            });
+            var nextDef = prod.definition.concat([secondIteration], utils_1.drop(currDef));
+            var nextPath = {
+                idx: currIdx,
+                def: nextDef,
+                ruleStack: currRuleStack,
+                occurrenceStack: currOccurrenceStack
+            };
+            possiblePaths.push(nextPath);
+        }
+        else if (prod instanceof gast_public_1.RepetitionWithSeparator) {
+            // the order of alternatives is meaningful, FILO (Last path will be traversed first).
+            var nextPathWithout = {
+                idx: currIdx,
+                def: utils_1.drop(currDef),
+                ruleStack: currRuleStack,
+                occurrenceStack: currOccurrenceStack
+            };
+            possiblePaths.push(nextPathWithout);
+            // required marker to avoid backtracking paths whose higher priority alternatives already matched
+            possiblePaths.push(EXIT_ALTERNATIVE);
+            var separatorGast = new gast_public_1.Terminal({
+                terminalType: prod.separator
+            });
+            var nthRepetition = new gast_public_1.Repetition({
+                definition: [separatorGast].concat(prod.definition),
+                idx: prod.idx
+            });
+            var nextDef = prod.definition.concat([nthRepetition], utils_1.drop(currDef));
+            var nextPathWith = {
+                idx: currIdx,
+                def: nextDef,
+                ruleStack: currRuleStack,
+                occurrenceStack: currOccurrenceStack
+            };
+            possiblePaths.push(nextPathWith);
+        }
+        else if (prod instanceof gast_public_1.Repetition) {
+            // the order of alternatives is meaningful, FILO (Last path will be traversed first).
+            var nextPathWithout = {
+                idx: currIdx,
+                def: utils_1.drop(currDef),
+                ruleStack: currRuleStack,
+                occurrenceStack: currOccurrenceStack
+            };
+            possiblePaths.push(nextPathWithout);
+            // required marker to avoid backtracking paths whose higher priority alternatives already matched
+            possiblePaths.push(EXIT_ALTERNATIVE);
+            // TODO: an empty repetition will cause infinite loops here, will the parser detect this in selfAnalysis?
+            var nthRepetition = new gast_public_1.Repetition({
+                definition: prod.definition,
+                idx: prod.idx
+            });
+            var nextDef = prod.definition.concat([nthRepetition], utils_1.drop(currDef));
+            var nextPathWith = {
+                idx: currIdx,
+                def: nextDef,
+                ruleStack: currRuleStack,
+                occurrenceStack: currOccurrenceStack
+            };
+            possiblePaths.push(nextPathWith);
+        }
+        else if (prod instanceof gast_public_1.Alternation) {
+            // the order of alternatives is meaningful, FILO (Last path will be traversed first).
+            for (var i = prod.definition.length - 1; i >= 0; i--) {
+                var currAlt = prod.definition[i];
+                var currAltPath = {
+                    idx: currIdx,
+                    def: currAlt.definition.concat(utils_1.drop(currDef)),
+                    ruleStack: currRuleStack,
+                    occurrenceStack: currOccurrenceStack
+                };
+                possiblePaths.push(currAltPath);
+                possiblePaths.push(EXIT_ALTERNATIVE);
+            }
+        }
+        else if (prod instanceof gast_public_1.Alternative) {
+            possiblePaths.push({
+                idx: currIdx,
+                def: prod.definition.concat(utils_1.drop(currDef)),
+                ruleStack: currRuleStack,
+                occurrenceStack: currOccurrenceStack
+            });
+        }
+        else if (prod instanceof gast_public_1.Rule) {
+            // last because we should only encounter at most a single one of these per invocation.
+            possiblePaths.push(expandTopLevelRule(prod, currIdx, currRuleStack, currOccurrenceStack));
+        }
+        else {
+            throw Error("non exhaustive match");
+        }
+    }
+    return result;
+}
+exports.nextPossibleTokensAfter = nextPossibleTokensAfter;
+function expandTopLevelRule(topRule, currIdx, currRuleStack, currOccurrenceStack) {
+    var newRuleStack = utils_1.cloneArr(currRuleStack);
+    newRuleStack.push(topRule.name);
+    var newCurrOccurrenceStack = utils_1.cloneArr(currOccurrenceStack);
+    // top rule is always assumed to have been called with occurrence index 1
+    newCurrOccurrenceStack.push(1);
+    return {
+        idx: currIdx,
+        def: topRule.definition,
+        ruleStack: newRuleStack,
+        occurrenceStack: newCurrOccurrenceStack
+    };
+}
+//# sourceMappingURL=interpreter.js.map

node_modules/chevrotain/lib/src/parse/grammar/keys.js

@@ -0,0 +1,34 @@
+"use strict";
+// Lookahead keys are 32Bit integers in the form
+// TTTTTTTT-ZZZZZZZZZZZZ-YYYY-XXXXXXXX
+// XXXX -> Occurrence Index bitmap.
+// YYYY -> DSL Method Type bitmap.
+// ZZZZZZZZZZZZZZZ -> Rule short Index bitmap.
+// TTTTTTTTT -> alternation alternative index bitmap
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getKeyForAutomaticLookahead = exports.AT_LEAST_ONE_SEP_IDX = exports.MANY_SEP_IDX = exports.AT_LEAST_ONE_IDX = exports.MANY_IDX = exports.OPTION_IDX = exports.OR_IDX = exports.BITS_FOR_ALT_IDX = exports.BITS_FOR_RULE_IDX = exports.BITS_FOR_OCCURRENCE_IDX = exports.BITS_FOR_METHOD_TYPE = void 0;
+exports.BITS_FOR_METHOD_TYPE = 4;
+exports.BITS_FOR_OCCURRENCE_IDX = 8;
+exports.BITS_FOR_RULE_IDX = 12;
+// TODO: validation, this means that there may at most 2^8 --> 256 alternatives for an alternation.
+exports.BITS_FOR_ALT_IDX = 8;
+// short string used as part of mapping keys.
+// being short improves the performance when composing KEYS for maps out of these
+// The 5 - 8 bits (16 possible values, are reserved for the DSL method indices)
+/* tslint:disable */
+exports.OR_IDX = 1 << exports.BITS_FOR_OCCURRENCE_IDX;
+exports.OPTION_IDX = 2 << exports.BITS_FOR_OCCURRENCE_IDX;
+exports.MANY_IDX = 3 << exports.BITS_FOR_OCCURRENCE_IDX;
+exports.AT_LEAST_ONE_IDX = 4 << exports.BITS_FOR_OCCURRENCE_IDX;
+exports.MANY_SEP_IDX = 5 << exports.BITS_FOR_OCCURRENCE_IDX;
+exports.AT_LEAST_ONE_SEP_IDX = 6 << exports.BITS_FOR_OCCURRENCE_IDX;
+/* tslint:enable */
+// this actually returns a number, but it is always used as a string (object prop key)
+function getKeyForAutomaticLookahead(ruleIdx, dslMethodIdx, occurrence) {
+    /* tslint:disable */
+    return occurrence | dslMethodIdx | ruleIdx;
+    /* tslint:enable */
+}
+exports.getKeyForAutomaticLookahead = getKeyForAutomaticLookahead;
+var BITS_START_FOR_ALT_IDX = 32 - exports.BITS_FOR_ALT_IDX;
+//# sourceMappingURL=keys.js.map

node_modules/chevrotain/lib/src/parse/grammar/keys.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"keys.js","sourceRoot":"","sources":["../../../../src/parse/grammar/keys.ts"],"names":[],"mappings":";AAAA,gDAAgD;AAChD,sCAAsC;AACtC,mCAAmC;AACnC,kCAAkC;AAClC,8CAA8C;AAC9C,oDAAoD;;;AAEvC,QAAA,oBAAoB,GAAG,CAAC,CAAA;AACxB,QAAA,uBAAuB,GAAG,CAAC,CAAA;AAC3B,QAAA,iBAAiB,GAAG,EAAE,CAAA;AACnC,mGAAmG;AACtF,QAAA,gBAAgB,GAAG,CAAC,CAAA;AAEjC,6CAA6C;AAC7C,iFAAiF;AACjF,+EAA+E;AAC/E,oBAAoB;AACP,QAAA,MAAM,GAAG,CAAC,IAAI,+BAAuB,CAAA;AACrC,QAAA,UAAU,GAAG,CAAC,IAAI,+BAAuB,CAAA;AACzC,QAAA,QAAQ,GAAG,CAAC,IAAI,+BAAuB,CAAA;AACvC,QAAA,gBAAgB,GAAG,CAAC,IAAI,+BAAuB,CAAA;AAC/C,QAAA,YAAY,GAAG,CAAC,IAAI,+BAAuB,CAAA;AAC3C,QAAA,oBAAoB,GAAG,CAAC,IAAI,+BAAuB,CAAA;AAChE,mBAAmB;AAEnB,sFAAsF;AACtF,SAAgB,2BAA2B,CACzC,OAAe,EACf,YAAoB,EACpB,UAAkB;IAElB,oBAAoB;IACpB,OAAO,UAAU,GAAG,YAAY,GAAG,OAAO,CAAA;IAC1C,mBAAmB;AACrB,CAAC;AARD,kEAQC;AAED,IAAM,sBAAsB,GAAG,EAAE,GAAG,wBAAgB,CAAA"}

node_modules/chevrotain/lib/src/parse/grammar/lookahead.js

@@ -0,0 +1,499 @@
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.areTokenCategoriesNotUsed = exports.isStrictPrefixOfPath = exports.containsPath = exports.getLookaheadPathsForOptionalProd = exports.getLookaheadPathsForOr = exports.lookAheadSequenceFromAlternatives = exports.buildSingleAlternativeLookaheadFunction = exports.buildAlternativesLookAheadFunc = exports.buildLookaheadFuncForOptionalProd = exports.buildLookaheadFuncForOr = exports.getProdType = exports.PROD_TYPE = void 0;
+var utils_1 = require("../../utils/utils");
+var interpreter_1 = require("./interpreter");
+var rest_1 = require("./rest");
+var tokens_1 = require("../../scan/tokens");
+var gast_public_1 = require("./gast/gast_public");
+var gast_visitor_public_1 = require("./gast/gast_visitor_public");
+var PROD_TYPE;
+(function (PROD_TYPE) {
+    PROD_TYPE[PROD_TYPE["OPTION"] = 0] = "OPTION";
+    PROD_TYPE[PROD_TYPE["REPETITION"] = 1] = "REPETITION";
+    PROD_TYPE[PROD_TYPE["REPETITION_MANDATORY"] = 2] = "REPETITION_MANDATORY";
+    PROD_TYPE[PROD_TYPE["REPETITION_MANDATORY_WITH_SEPARATOR"] = 3] = "REPETITION_MANDATORY_WITH_SEPARATOR";
+    PROD_TYPE[PROD_TYPE["REPETITION_WITH_SEPARATOR"] = 4] = "REPETITION_WITH_SEPARATOR";
+    PROD_TYPE[PROD_TYPE["ALTERNATION"] = 5] = "ALTERNATION";
+})(PROD_TYPE = exports.PROD_TYPE || (exports.PROD_TYPE = {}));
+function getProdType(prod) {
+    /* istanbul ignore else */
+    if (prod instanceof gast_public_1.Option) {
+        return PROD_TYPE.OPTION;
+    }
+    else if (prod instanceof gast_public_1.Repetition) {
+        return PROD_TYPE.REPETITION;
+    }
+    else if (prod instanceof gast_public_1.RepetitionMandatory) {
+        return PROD_TYPE.REPETITION_MANDATORY;
+    }
+    else if (prod instanceof gast_public_1.RepetitionMandatoryWithSeparator) {
+        return PROD_TYPE.REPETITION_MANDATORY_WITH_SEPARATOR;
+    }
+    else if (prod instanceof gast_public_1.RepetitionWithSeparator) {
+        return PROD_TYPE.REPETITION_WITH_SEPARATOR;
+    }
+    else if (prod instanceof gast_public_1.Alternation) {
+        return PROD_TYPE.ALTERNATION;
+    }
+    else {
+        throw Error("non exhaustive match");
+    }
+}
+exports.getProdType = getProdType;
+function buildLookaheadFuncForOr(occurrence, ruleGrammar, maxLookahead, hasPredicates, dynamicTokensEnabled, laFuncBuilder) {
+    var lookAheadPaths = getLookaheadPathsForOr(occurrence, ruleGrammar, maxLookahead);
+    var tokenMatcher = areTokenCategoriesNotUsed(lookAheadPaths)
+        ? tokens_1.tokenStructuredMatcherNoCategories
+        : tokens_1.tokenStructuredMatcher;
+    return laFuncBuilder(lookAheadPaths, hasPredicates, tokenMatcher, dynamicTokensEnabled);
+}
+exports.buildLookaheadFuncForOr = buildLookaheadFuncForOr;
+/**
+ *  When dealing with an Optional production (OPTION/MANY/2nd iteration of AT_LEAST_ONE/...) we need to compare
+ *  the lookahead "inside" the production and the lookahead immediately "after" it in the same top level rule (context free).
+ *
+ *  Example: given a production:
+ *  ABC(DE)?DF
+ *
+ *  The optional '(DE)?' should only be entered if we see 'DE'. a single Token 'D' is not sufficient to distinguish between the two
+ *  alternatives.
+ *
+ *  @returns A Lookahead function which will return true IFF the parser should parse the Optional production.
+ */
+function buildLookaheadFuncForOptionalProd(occurrence, ruleGrammar, k, dynamicTokensEnabled, prodType, lookaheadBuilder) {
+    var lookAheadPaths = getLookaheadPathsForOptionalProd(occurrence, ruleGrammar, prodType, k);
+    var tokenMatcher = areTokenCategoriesNotUsed(lookAheadPaths)
+        ? tokens_1.tokenStructuredMatcherNoCategories
+        : tokens_1.tokenStructuredMatcher;
+    return lookaheadBuilder(lookAheadPaths[0], tokenMatcher, dynamicTokensEnabled);
+}
+exports.buildLookaheadFuncForOptionalProd = buildLookaheadFuncForOptionalProd;
+function buildAlternativesLookAheadFunc(alts, hasPredicates, tokenMatcher, dynamicTokensEnabled) {
+    var numOfAlts = alts.length;
+    var areAllOneTokenLookahead = utils_1.every(alts, function (currAlt) {
+        return utils_1.every(currAlt, function (currPath) {
+            return currPath.length === 1;
+        });
+    });
+    // This version takes into account the predicates as well.
+    if (hasPredicates) {
+        /**
+         * @returns {number} - The chosen alternative index
+         */
+        return function (orAlts) {
+            // unfortunately the predicates must be extracted every single time
+            // as they cannot be cached due to references to parameters(vars) which are no longer valid.
+            // note that in the common case of no predicates, no cpu time will be wasted on this (see else block)
+            var predicates = utils_1.map(orAlts, function (currAlt) { return currAlt.GATE; });
+            for (var t = 0; t < numOfAlts; t++) {
+                var currAlt = alts[t];
+                var currNumOfPaths = currAlt.length;
+                var currPredicate = predicates[t];
+                if (currPredicate !== undefined && currPredicate.call(this) === false) {
+                    // if the predicate does not match there is no point in checking the paths
+                    continue;
+                }
+                nextPath: for (var j = 0; j < currNumOfPaths; j++) {
+                    var currPath = currAlt[j];
+                    var currPathLength = currPath.length;
+                    for (var i = 0; i < currPathLength; i++) {
+                        var nextToken = this.LA(i + 1);
+                        if (tokenMatcher(nextToken, currPath[i]) === false) {
+                            // mismatch in current path
+                            // try the next pth
+                            continue nextPath;
+                        }
+                    }
+                    // found a full path that matches.
+                    // this will also work for an empty ALT as the loop will be skipped
+                    return t;
+                }
+                // none of the paths for the current alternative matched
+                // try the next alternative
+            }
+            // none of the alternatives could be matched
+            return undefined;
+        };
+    }
+    else if (areAllOneTokenLookahead && !dynamicTokensEnabled) {
+        // optimized (common) case of all the lookaheads paths requiring only
+        // a single token lookahead. These Optimizations cannot work if dynamically defined Tokens are used.
+        var singleTokenAlts = utils_1.map(alts, function (currAlt) {
+            return utils_1.flatten(currAlt);
+        });
+        var choiceToAlt_1 = utils_1.reduce(singleTokenAlts, function (result, currAlt, idx) {
+            utils_1.forEach(currAlt, function (currTokType) {
+                if (!utils_1.has(result, currTokType.tokenTypeIdx)) {
+                    result[currTokType.tokenTypeIdx] = idx;
+                }
+                utils_1.forEach(currTokType.categoryMatches, function (currExtendingType) {
+                    if (!utils_1.has(result, currExtendingType)) {
+                        result[currExtendingType] = idx;
+                    }
+                });
+            });
+            return result;
+        }, []);
+        /**
+         * @returns {number} - The chosen alternative index
+         */
+        return function () {
+            var nextToken = this.LA(1);
+            return choiceToAlt_1[nextToken.tokenTypeIdx];
+        };
+    }
+    else {
+        // optimized lookahead without needing to check the predicates at all.
+        // this causes code duplication which is intentional to improve performance.
+        /**
+         * @returns {number} - The chosen alternative index
+         */
+        return function () {
+            for (var t = 0; t < numOfAlts; t++) {
+                var currAlt = alts[t];
+                var currNumOfPaths = currAlt.length;
+                nextPath: for (var j = 0; j < currNumOfPaths; j++) {
+                    var currPath = currAlt[j];
+                    var currPathLength = currPath.length;
+                    for (var i = 0; i < currPathLength; i++) {
+                        var nextToken = this.LA(i + 1);
+                        if (tokenMatcher(nextToken, currPath[i]) === false) {
+                            // mismatch in current path
+                            // try the next pth
+                            continue nextPath;
+                        }
+                    }
+                    // found a full path that matches.
+                    // this will also work for an empty ALT as the loop will be skipped
+                    return t;
+                }
+                // none of the paths for the current alternative matched
+                // try the next alternative
+            }
+            // none of the alternatives could be matched
+            return undefined;
+        };
+    }
+}
+exports.buildAlternativesLookAheadFunc = buildAlternativesLookAheadFunc;
+function buildSingleAlternativeLookaheadFunction(alt, tokenMatcher, dynamicTokensEnabled) {
+    var areAllOneTokenLookahead = utils_1.every(alt, function (currPath) {
+        return currPath.length === 1;
+    });
+    var numOfPaths = alt.length;
+    // optimized (common) case of all the lookaheads paths requiring only
+    // a single token lookahead.
+    if (areAllOneTokenLookahead && !dynamicTokensEnabled) {
+        var singleTokensTypes = utils_1.flatten(alt);
+        if (singleTokensTypes.length === 1 &&
+            utils_1.isEmpty(singleTokensTypes[0].categoryMatches)) {
+            var expectedTokenType = singleTokensTypes[0];
+            var expectedTokenUniqueKey_1 = expectedTokenType.tokenTypeIdx;
+            return function () {
+                return this.LA(1).tokenTypeIdx === expectedTokenUniqueKey_1;
+            };
+        }
+        else {
+            var choiceToAlt_2 = utils_1.reduce(singleTokensTypes, function (result, currTokType, idx) {
+                result[currTokType.tokenTypeIdx] = true;
+                utils_1.forEach(currTokType.categoryMatches, function (currExtendingType) {
+                    result[currExtendingType] = true;
+                });
+                return result;
+            }, []);
+            return function () {
+                var nextToken = this.LA(1);
+                return choiceToAlt_2[nextToken.tokenTypeIdx] === true;
+            };
+        }
+    }
+    else {
+        return function () {
+            nextPath: for (var j = 0; j < numOfPaths; j++) {
+                var currPath = alt[j];
+                var currPathLength = currPath.length;
+                for (var i = 0; i < currPathLength; i++) {
+                    var nextToken = this.LA(i + 1);
+                    if (tokenMatcher(nextToken, currPath[i]) === false) {
+                        // mismatch in current path
+                        // try the next pth
+                        continue nextPath;
+                    }
+                }
+                // found a full path that matches.
+                return true;
+            }
+            // none of the paths matched
+            return false;
+        };
+    }
+}
+exports.buildSingleAlternativeLookaheadFunction = buildSingleAlternativeLookaheadFunction;
+var RestDefinitionFinderWalker = /** @class */ (function (_super) {
+    __extends(RestDefinitionFinderWalker, _super);
+    function RestDefinitionFinderWalker(topProd, targetOccurrence, targetProdType) {
+        var _this = _super.call(this) || this;
+        _this.topProd = topProd;
+        _this.targetOccurrence = targetOccurrence;
+        _this.targetProdType = targetProdType;
+        return _this;
+    }
+    RestDefinitionFinderWalker.prototype.startWalking = function () {
+        this.walk(this.topProd);
+        return this.restDef;
+    };
+    RestDefinitionFinderWalker.prototype.checkIsTarget = function (node, expectedProdType, currRest, prevRest) {
+        if (node.idx === this.targetOccurrence &&
+            this.targetProdType === expectedProdType) {
+            this.restDef = currRest.concat(prevRest);
+            return true;
+        }
+        // performance optimization, do not iterate over the entire Grammar ast after we have found the target
+        return false;
+    };
+    RestDefinitionFinderWalker.prototype.walkOption = function (optionProd, currRest, prevRest) {
+        if (!this.checkIsTarget(optionProd, PROD_TYPE.OPTION, currRest, prevRest)) {
+            _super.prototype.walkOption.call(this, optionProd, currRest, prevRest);
+        }
+    };
+    RestDefinitionFinderWalker.prototype.walkAtLeastOne = function (atLeastOneProd, currRest, prevRest) {
+        if (!this.checkIsTarget(atLeastOneProd, PROD_TYPE.REPETITION_MANDATORY, currRest, prevRest)) {
+            _super.prototype.walkOption.call(this, atLeastOneProd, currRest, prevRest);
+        }
+    };
+    RestDefinitionFinderWalker.prototype.walkAtLeastOneSep = function (atLeastOneSepProd, currRest, prevRest) {
+        if (!this.checkIsTarget(atLeastOneSepProd, PROD_TYPE.REPETITION_MANDATORY_WITH_SEPARATOR, currRest, prevRest)) {
+            _super.prototype.walkOption.call(this, atLeastOneSepProd, currRest, prevRest);
+        }
+    };
+    RestDefinitionFinderWalker.prototype.walkMany = function (manyProd, currRest, prevRest) {
+        if (!this.checkIsTarget(manyProd, PROD_TYPE.REPETITION, currRest, prevRest)) {
+            _super.prototype.walkOption.call(this, manyProd, currRest, prevRest);
+        }
+    };
+    RestDefinitionFinderWalker.prototype.walkManySep = function (manySepProd, currRest, prevRest) {
+        if (!this.checkIsTarget(manySepProd, PROD_TYPE.REPETITION_WITH_SEPARATOR, currRest, prevRest)) {
+            _super.prototype.walkOption.call(this, manySepProd, currRest, prevRest);
+        }
+    };
+    return RestDefinitionFinderWalker;
+}(rest_1.RestWalker));
+/**
+ * Returns the definition of a target production in a top level level rule.
+ */
+var InsideDefinitionFinderVisitor = /** @class */ (function (_super) {
+    __extends(InsideDefinitionFinderVisitor, _super);
+    function InsideDefinitionFinderVisitor(targetOccurrence, targetProdType, targetRef) {
+        var _this = _super.call(this) || this;
+        _this.targetOccurrence = targetOccurrence;
+        _this.targetProdType = targetProdType;
+        _this.targetRef = targetRef;
+        _this.result = [];
+        return _this;
+    }
+    InsideDefinitionFinderVisitor.prototype.checkIsTarget = function (node, expectedProdName) {
+        if (node.idx === this.targetOccurrence &&
+            this.targetProdType === expectedProdName &&
+            (this.targetRef === undefined || node === this.targetRef)) {
+            this.result = node.definition;
+        }
+    };
+    InsideDefinitionFinderVisitor.prototype.visitOption = function (node) {
+        this.checkIsTarget(node, PROD_TYPE.OPTION);
+    };
+    InsideDefinitionFinderVisitor.prototype.visitRepetition = function (node) {
+        this.checkIsTarget(node, PROD_TYPE.REPETITION);
+    };
+    InsideDefinitionFinderVisitor.prototype.visitRepetitionMandatory = function (node) {
+        this.checkIsTarget(node, PROD_TYPE.REPETITION_MANDATORY);
+    };
+    InsideDefinitionFinderVisitor.prototype.visitRepetitionMandatoryWithSeparator = function (node) {
+        this.checkIsTarget(node, PROD_TYPE.REPETITION_MANDATORY_WITH_SEPARATOR);
+    };
+    InsideDefinitionFinderVisitor.prototype.visitRepetitionWithSeparator = function (node) {
+        this.checkIsTarget(node, PROD_TYPE.REPETITION_WITH_SEPARATOR);
+    };
+    InsideDefinitionFinderVisitor.prototype.visitAlternation = function (node) {
+        this.checkIsTarget(node, PROD_TYPE.ALTERNATION);
+    };
+    return InsideDefinitionFinderVisitor;
+}(gast_visitor_public_1.GAstVisitor));
+function initializeArrayOfArrays(size) {
+    var result = new Array(size);
+    for (var i = 0; i < size; i++) {
+        result[i] = [];
+    }
+    return result;
+}
+/**
+ * A sort of hash function between a Path in the grammar and a string.
+ * Note that this returns multiple "hashes" to support the scenario of token categories.
+ * -  A single path with categories may match multiple **actual** paths.
+ */
+function pathToHashKeys(path) {
+    var keys = [""];
+    for (var i = 0; i < path.length; i++) {
+        var tokType = path[i];
+        var longerKeys = [];
+        for (var j = 0; j < keys.length; j++) {
+            var currShorterKey = keys[j];
+            longerKeys.push(currShorterKey + "_" + tokType.tokenTypeIdx);
+            for (var t = 0; t < tokType.categoryMatches.length; t++) {
+                var categoriesKeySuffix = "_" + tokType.categoryMatches[t];
+                longerKeys.push(currShorterKey + categoriesKeySuffix);
+            }
+        }
+        keys = longerKeys;
+    }
+    return keys;
+}
+/**
+ * Imperative style due to being called from a hot spot
+ */
+function isUniquePrefixHash(altKnownPathsKeys, searchPathKeys, idx) {
+    for (var currAltIdx = 0; currAltIdx < altKnownPathsKeys.length; currAltIdx++) {
+        // We only want to test vs the other alternatives
+        if (currAltIdx === idx) {
+            continue;
+        }
+        var otherAltKnownPathsKeys = altKnownPathsKeys[currAltIdx];
+        for (var searchIdx = 0; searchIdx < searchPathKeys.length; searchIdx++) {
+            var searchKey = searchPathKeys[searchIdx];
+            if (otherAltKnownPathsKeys[searchKey] === true) {
+                return false;
+            }
+        }
+    }
+    // None of the SearchPathKeys were found in any of the other alternatives
+    return true;
+}
+function lookAheadSequenceFromAlternatives(altsDefs, k) {
+    var partialAlts = utils_1.map(altsDefs, function (currAlt) { return interpreter_1.possiblePathsFrom([currAlt], 1); });
+    var finalResult = initializeArrayOfArrays(partialAlts.length);
+    var altsHashes = utils_1.map(partialAlts, function (currAltPaths) {
+        var dict = {};
+        utils_1.forEach(currAltPaths, function (item) {
+            var keys = pathToHashKeys(item.partialPath);
+            utils_1.forEach(keys, function (currKey) {
+                dict[currKey] = true;
+            });
+        });
+        return dict;
+    });
+    var newData = partialAlts;
+    // maxLookahead loop
+    for (var pathLength = 1; pathLength <= k; pathLength++) {
+        var currDataset = newData;
+        newData = initializeArrayOfArrays(currDataset.length);
+        var _loop_1 = function (altIdx) {
+            var currAltPathsAndSuffixes = currDataset[altIdx];
+            // paths in current alternative loop
+            for (var currPathIdx = 0; currPathIdx < currAltPathsAndSuffixes.length; currPathIdx++) {
+                var currPathPrefix = currAltPathsAndSuffixes[currPathIdx].partialPath;
+                var suffixDef = currAltPathsAndSuffixes[currPathIdx].suffixDef;
+                var prefixKeys = pathToHashKeys(currPathPrefix);
+                var isUnique = isUniquePrefixHash(altsHashes, prefixKeys, altIdx);
+                // End of the line for this path.
+                if (isUnique || utils_1.isEmpty(suffixDef) || currPathPrefix.length === k) {
+                    var currAltResult = finalResult[altIdx];
+                    // TODO: Can we implement a containsPath using Maps/Dictionaries?
+                    if (containsPath(currAltResult, currPathPrefix) === false) {
+                        currAltResult.push(currPathPrefix);
+                        // Update all new  keys for the current path.
+                        for (var j = 0; j < prefixKeys.length; j++) {
+                            var currKey = prefixKeys[j];
+                            altsHashes[altIdx][currKey] = true;
+                        }
+                    }
+                }
+                // Expand longer paths
+                else {
+                    var newPartialPathsAndSuffixes = interpreter_1.possiblePathsFrom(suffixDef, pathLength + 1, currPathPrefix);
+                    newData[altIdx] = newData[altIdx].concat(newPartialPathsAndSuffixes);
+                    // Update keys for new known paths
+                    utils_1.forEach(newPartialPathsAndSuffixes, function (item) {
+                        var prefixKeys = pathToHashKeys(item.partialPath);
+                        utils_1.forEach(prefixKeys, function (key) {
+                            altsHashes[altIdx][key] = true;
+                        });
+                    });
+                }
+            }
+        };
+        // alternatives loop
+        for (var altIdx = 0; altIdx < currDataset.length; altIdx++) {
+            _loop_1(altIdx);
+        }
+    }
+    return finalResult;
+}
+exports.lookAheadSequenceFromAlternatives = lookAheadSequenceFromAlternatives;
+function getLookaheadPathsForOr(occurrence, ruleGrammar, k, orProd) {
+    var visitor = new InsideDefinitionFinderVisitor(occurrence, PROD_TYPE.ALTERNATION, orProd);
+    ruleGrammar.accept(visitor);
+    return lookAheadSequenceFromAlternatives(visitor.result, k);
+}
+exports.getLookaheadPathsForOr = getLookaheadPathsForOr;
+function getLookaheadPathsForOptionalProd(occurrence, ruleGrammar, prodType, k) {
+    var insideDefVisitor = new InsideDefinitionFinderVisitor(occurrence, prodType);
+    ruleGrammar.accept(insideDefVisitor);
+    var insideDef = insideDefVisitor.result;
+    var afterDefWalker = new RestDefinitionFinderWalker(ruleGrammar, occurrence, prodType);
+    var afterDef = afterDefWalker.startWalking();
+    var insideFlat = new gast_public_1.Alternative({ definition: insideDef });
+    var afterFlat = new gast_public_1.Alternative({ definition: afterDef });
+    return lookAheadSequenceFromAlternatives([insideFlat, afterFlat], k);
+}
+exports.getLookaheadPathsForOptionalProd = getLookaheadPathsForOptionalProd;
+function containsPath(alternative, searchPath) {
+    compareOtherPath: for (var i = 0; i < alternative.length; i++) {
+        var otherPath = alternative[i];
+        if (otherPath.length !== searchPath.length) {
+            continue;
+        }
+        for (var j = 0; j < otherPath.length; j++) {
+            var searchTok = searchPath[j];
+            var otherTok = otherPath[j];
+            var matchingTokens = searchTok === otherTok ||
+                otherTok.categoryMatchesMap[searchTok.tokenTypeIdx] !== undefined;
+            if (matchingTokens === false) {
+                continue compareOtherPath;
+            }
+        }
+        return true;
+    }
+    return false;
+}
+exports.containsPath = containsPath;
+function isStrictPrefixOfPath(prefix, other) {
+    return (prefix.length < other.length &&
+        utils_1.every(prefix, function (tokType, idx) {
+            var otherTokType = other[idx];
+            return (tokType === otherTokType ||
+                otherTokType.categoryMatchesMap[tokType.tokenTypeIdx]);
+        }));
+}
+exports.isStrictPrefixOfPath = isStrictPrefixOfPath;
+function areTokenCategoriesNotUsed(lookAheadPaths) {
+    return utils_1.every(lookAheadPaths, function (singleAltPaths) {
+        return utils_1.every(singleAltPaths, function (singlePath) {
+            return utils_1.every(singlePath, function (token) { return utils_1.isEmpty(token.categoryMatches); });
+        });
+    });
+}
+exports.areTokenCategoriesNotUsed = areTokenCategoriesNotUsed;
+//# sourceMappingURL=lookahead.js.map

node_modules/chevrotain/lib/src/parse/grammar/resolver.js

@@ -0,0 +1,60 @@
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.GastRefResolverVisitor = exports.resolveGrammar = void 0;
+var parser_1 = require("../parser/parser");
+var utils_1 = require("../../utils/utils");
+var gast_visitor_public_1 = require("./gast/gast_visitor_public");
+function resolveGrammar(topLevels, errMsgProvider) {
+    var refResolver = new GastRefResolverVisitor(topLevels, errMsgProvider);
+    refResolver.resolveRefs();
+    return refResolver.errors;
+}
+exports.resolveGrammar = resolveGrammar;
+var GastRefResolverVisitor = /** @class */ (function (_super) {
+    __extends(GastRefResolverVisitor, _super);
+    function GastRefResolverVisitor(nameToTopRule, errMsgProvider) {
+        var _this = _super.call(this) || this;
+        _this.nameToTopRule = nameToTopRule;
+        _this.errMsgProvider = errMsgProvider;
+        _this.errors = [];
+        return _this;
+    }
+    GastRefResolverVisitor.prototype.resolveRefs = function () {
+        var _this = this;
+        utils_1.forEach(utils_1.values(this.nameToTopRule), function (prod) {
+            _this.currTopLevel = prod;
+            prod.accept(_this);
+        });
+    };
+    GastRefResolverVisitor.prototype.visitNonTerminal = function (node) {
+        var ref = this.nameToTopRule[node.nonTerminalName];
+        if (!ref) {
+            var msg = this.errMsgProvider.buildRuleNotFoundError(this.currTopLevel, node);
+            this.errors.push({
+                message: msg,
+                type: parser_1.ParserDefinitionErrorType.UNRESOLVED_SUBRULE_REF,
+                ruleName: this.currTopLevel.name,
+                unresolvedRefName: node.nonTerminalName
+            });
+        }
+        else {
+            node.referencedRule = ref;
+        }
+    };
+    return GastRefResolverVisitor;
+}(gast_visitor_public_1.GAstVisitor));
+exports.GastRefResolverVisitor = GastRefResolverVisitor;
+//# sourceMappingURL=resolver.js.map

node_modules/chevrotain/lib/src/parse/grammar/resolver.js.map

@@ -0,0 +1 @@
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node_modules/chevrotain/lib/src/parse/grammar/rest.js

@@ -0,0 +1,111 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.RestWalker = void 0;
+var utils_1 = require("../../utils/utils");
+var gast_public_1 = require("./gast/gast_public");
+/**
+ *  A Grammar Walker that computes the "remaining" grammar "after" a productions in the grammar.
+ */
+var RestWalker = /** @class */ (function () {
+    function RestWalker() {
+    }
+    RestWalker.prototype.walk = function (prod, prevRest) {
+        var _this = this;
+        if (prevRest === void 0) { prevRest = []; }
+        utils_1.forEach(prod.definition, function (subProd, index) {
+            var currRest = utils_1.drop(prod.definition, index + 1);
+            /* istanbul ignore else */
+            if (subProd instanceof gast_public_1.NonTerminal) {
+                _this.walkProdRef(subProd, currRest, prevRest);
+            }
+            else if (subProd instanceof gast_public_1.Terminal) {
+                _this.walkTerminal(subProd, currRest, prevRest);
+            }
+            else if (subProd instanceof gast_public_1.Alternative) {
+                _this.walkFlat(subProd, currRest, prevRest);
+            }
+            else if (subProd instanceof gast_public_1.Option) {
+                _this.walkOption(subProd, currRest, prevRest);
+            }
+            else if (subProd instanceof gast_public_1.RepetitionMandatory) {
+                _this.walkAtLeastOne(subProd, currRest, prevRest);
+            }
+            else if (subProd instanceof gast_public_1.RepetitionMandatoryWithSeparator) {
+                _this.walkAtLeastOneSep(subProd, currRest, prevRest);
+            }
+            else if (subProd instanceof gast_public_1.RepetitionWithSeparator) {
+                _this.walkManySep(subProd, currRest, prevRest);
+            }
+            else if (subProd instanceof gast_public_1.Repetition) {
+                _this.walkMany(subProd, currRest, prevRest);
+            }
+            else if (subProd instanceof gast_public_1.Alternation) {
+                _this.walkOr(subProd, currRest, prevRest);
+            }
+            else {
+                throw Error("non exhaustive match");
+            }
+        });
+    };
+    RestWalker.prototype.walkTerminal = function (terminal, currRest, prevRest) { };
+    RestWalker.prototype.walkProdRef = function (refProd, currRest, prevRest) { };
+    RestWalker.prototype.walkFlat = function (flatProd, currRest, prevRest) {
+        // ABCDEF => after the D the rest is EF
+        var fullOrRest = currRest.concat(prevRest);
+        this.walk(flatProd, fullOrRest);
+    };
+    RestWalker.prototype.walkOption = function (optionProd, currRest, prevRest) {
+        // ABC(DE)?F => after the (DE)? the rest is F
+        var fullOrRest = currRest.concat(prevRest);
+        this.walk(optionProd, fullOrRest);
+    };
+    RestWalker.prototype.walkAtLeastOne = function (atLeastOneProd, currRest, prevRest) {
+        // ABC(DE)+F => after the (DE)+ the rest is (DE)?F
+        var fullAtLeastOneRest = [
+            new gast_public_1.Option({ definition: atLeastOneProd.definition })
+        ].concat(currRest, prevRest);
+        this.walk(atLeastOneProd, fullAtLeastOneRest);
+    };
+    RestWalker.prototype.walkAtLeastOneSep = function (atLeastOneSepProd, currRest, prevRest) {
+        // ABC DE(,DE)* F => after the (,DE)+ the rest is (,DE)?F
+        var fullAtLeastOneSepRest = restForRepetitionWithSeparator(atLeastOneSepProd, currRest, prevRest);
+        this.walk(atLeastOneSepProd, fullAtLeastOneSepRest);
+    };
+    RestWalker.prototype.walkMany = function (manyProd, currRest, prevRest) {
+        // ABC(DE)*F => after the (DE)* the rest is (DE)?F
+        var fullManyRest = [
+            new gast_public_1.Option({ definition: manyProd.definition })
+        ].concat(currRest, prevRest);
+        this.walk(manyProd, fullManyRest);
+    };
+    RestWalker.prototype.walkManySep = function (manySepProd, currRest, prevRest) {
+        // ABC (DE(,DE)*)? F => after the (,DE)* the rest is (,DE)?F
+        var fullManySepRest = restForRepetitionWithSeparator(manySepProd, currRest, prevRest);
+        this.walk(manySepProd, fullManySepRest);
+    };
+    RestWalker.prototype.walkOr = function (orProd, currRest, prevRest) {
+        var _this = this;
+        // ABC(D|E|F)G => when finding the (D|E|F) the rest is G
+        var fullOrRest = currRest.concat(prevRest);
+        // walk all different alternatives
+        utils_1.forEach(orProd.definition, function (alt) {
+            // wrapping each alternative in a single definition wrapper
+            // to avoid errors in computing the rest of that alternative in the invocation to computeInProdFollows
+            // (otherwise for OR([alt1,alt2]) alt2 will be considered in 'rest' of alt1
+            var prodWrapper = new gast_public_1.Alternative({ definition: [alt] });
+            _this.walk(prodWrapper, fullOrRest);
+        });
+    };
+    return RestWalker;
+}());
+exports.RestWalker = RestWalker;
+function restForRepetitionWithSeparator(repSepProd, currRest, prevRest) {
+    var repSepRest = [
+        new gast_public_1.Option({
+            definition: [new gast_public_1.Terminal({ terminalType: repSepProd.separator })].concat(repSepProd.definition)
+        })
+    ];
+    var fullRepSepRest = repSepRest.concat(currRest, prevRest);
+    return fullRepSepRest;
+}
+//# sourceMappingURL=rest.js.map

node_modules/chevrotain/lib/src/parse/grammar/rest.js.map

@@ -0,0 +1 @@
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node_modules/chevrotain/lib/src/parse/parser/parser.js

@@ -0,0 +1,221 @@
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.EmbeddedActionsParser = exports.CstParser = exports.Parser = exports.EMPTY_ALT = exports.ParserDefinitionErrorType = exports.DEFAULT_RULE_CONFIG = exports.DEFAULT_PARSER_CONFIG = exports.END_OF_FILE = void 0;
+var utils_1 = require("../../utils/utils");
+var follow_1 = require("../grammar/follow");
+var tokens_public_1 = require("../../scan/tokens_public");
+var errors_public_1 = require("../errors_public");
+var gast_resolver_public_1 = require("../grammar/gast/gast_resolver_public");
+var recoverable_1 = require("./traits/recoverable");
+var looksahead_1 = require("./traits/looksahead");
+var tree_builder_1 = require("./traits/tree_builder");
+var lexer_adapter_1 = require("./traits/lexer_adapter");
+var recognizer_api_1 = require("./traits/recognizer_api");
+var recognizer_engine_1 = require("./traits/recognizer_engine");
+var error_handler_1 = require("./traits/error_handler");
+var context_assist_1 = require("./traits/context_assist");
+var gast_recorder_1 = require("./traits/gast_recorder");
+var perf_tracer_1 = require("./traits/perf_tracer");
+exports.END_OF_FILE = tokens_public_1.createTokenInstance(tokens_public_1.EOF, "", NaN, NaN, NaN, NaN, NaN, NaN);
+Object.freeze(exports.END_OF_FILE);
+exports.DEFAULT_PARSER_CONFIG = Object.freeze({
+    recoveryEnabled: false,
+    maxLookahead: 3,
+    dynamicTokensEnabled: false,
+    outputCst: true,
+    errorMessageProvider: errors_public_1.defaultParserErrorProvider,
+    nodeLocationTracking: "none",
+    traceInitPerf: false,
+    skipValidations: false
+});
+exports.DEFAULT_RULE_CONFIG = Object.freeze({
+    recoveryValueFunc: function () { return undefined; },
+    resyncEnabled: true
+});
+var ParserDefinitionErrorType;
+(function (ParserDefinitionErrorType) {
+    ParserDefinitionErrorType[ParserDefinitionErrorType["INVALID_RULE_NAME"] = 0] = "INVALID_RULE_NAME";
+    ParserDefinitionErrorType[ParserDefinitionErrorType["DUPLICATE_RULE_NAME"] = 1] = "DUPLICATE_RULE_NAME";
+    ParserDefinitionErrorType[ParserDefinitionErrorType["INVALID_RULE_OVERRIDE"] = 2] = "INVALID_RULE_OVERRIDE";
+    ParserDefinitionErrorType[ParserDefinitionErrorType["DUPLICATE_PRODUCTIONS"] = 3] = "DUPLICATE_PRODUCTIONS";
+    ParserDefinitionErrorType[ParserDefinitionErrorType["UNRESOLVED_SUBRULE_REF"] = 4] = "UNRESOLVED_SUBRULE_REF";
+    ParserDefinitionErrorType[ParserDefinitionErrorType["LEFT_RECURSION"] = 5] = "LEFT_RECURSION";
+    ParserDefinitionErrorType[ParserDefinitionErrorType["NONE_LAST_EMPTY_ALT"] = 6] = "NONE_LAST_EMPTY_ALT";
+    ParserDefinitionErrorType[ParserDefinitionErrorType["AMBIGUOUS_ALTS"] = 7] = "AMBIGUOUS_ALTS";
+    ParserDefinitionErrorType[ParserDefinitionErrorType["CONFLICT_TOKENS_RULES_NAMESPACE"] = 8] = "CONFLICT_TOKENS_RULES_NAMESPACE";
+    ParserDefinitionErrorType[ParserDefinitionErrorType["INVALID_TOKEN_NAME"] = 9] = "INVALID_TOKEN_NAME";
+    ParserDefinitionErrorType[ParserDefinitionErrorType["NO_NON_EMPTY_LOOKAHEAD"] = 10] = "NO_NON_EMPTY_LOOKAHEAD";
+    ParserDefinitionErrorType[ParserDefinitionErrorType["AMBIGUOUS_PREFIX_ALTS"] = 11] = "AMBIGUOUS_PREFIX_ALTS";
+    ParserDefinitionErrorType[ParserDefinitionErrorType["TOO_MANY_ALTS"] = 12] = "TOO_MANY_ALTS";
+})(ParserDefinitionErrorType = exports.ParserDefinitionErrorType || (exports.ParserDefinitionErrorType = {}));
+function EMPTY_ALT(value) {
+    if (value === void 0) { value = undefined; }
+    return function () {
+        return value;
+    };
+}
+exports.EMPTY_ALT = EMPTY_ALT;
+var Parser = /** @class */ (function () {
+    function Parser(tokenVocabulary, config) {
+        this.definitionErrors = [];
+        this.selfAnalysisDone = false;
+        var that = this;
+        that.initErrorHandler(config);
+        that.initLexerAdapter();
+        that.initLooksAhead(config);
+        that.initRecognizerEngine(tokenVocabulary, config);
+        that.initRecoverable(config);
+        that.initTreeBuilder(config);
+        that.initContentAssist();
+        that.initGastRecorder(config);
+        that.initPerformanceTracer(config);
+        if (utils_1.has(config, "ignoredIssues")) {
+            throw new Error("The <ignoredIssues> IParserConfig property has been deprecated.\n\t" +
+                "Please use the <IGNORE_AMBIGUITIES> flag on the relevant DSL method instead.\n\t" +
+                "See: https://sap.github.io/chevrotain/docs/guide/resolving_grammar_errors.html#IGNORING_AMBIGUITIES\n\t" +
+                "For further details.");
+        }
+        this.skipValidations = utils_1.has(config, "skipValidations")
+            ? config.skipValidations
+            : exports.DEFAULT_PARSER_CONFIG.skipValidations;
+    }
+    /**
+     *  @deprecated use the **instance** method with the same name instead
+     */
+    Parser.performSelfAnalysis = function (parserInstance) {
+        throw Error("The **static** `performSelfAnalysis` method has been deprecated." +
+            "\t\nUse the **instance** method with the same name instead.");
+    };
+    Parser.prototype.performSelfAnalysis = function () {
+        var _this = this;
+        this.TRACE_INIT("performSelfAnalysis", function () {
+            var defErrorsMsgs;
+            _this.selfAnalysisDone = true;
+            var className = _this.className;
+            _this.TRACE_INIT("toFastProps", function () {
+                // Without this voodoo magic the parser would be x3-x4 slower
+                // It seems it is better to invoke `toFastProperties` **before**
+                // Any manipulations of the `this` object done during the recording phase.
+                utils_1.toFastProperties(_this);
+            });
+            _this.TRACE_INIT("Grammar Recording", function () {
+                try {
+                    _this.enableRecording();
+                    // Building the GAST
+                    utils_1.forEach(_this.definedRulesNames, function (currRuleName) {
+                        var wrappedRule = _this[currRuleName];
+                        var originalGrammarAction = wrappedRule["originalGrammarAction"];
+                        var recordedRuleGast = undefined;
+                        _this.TRACE_INIT(currRuleName + " Rule", function () {
+                            recordedRuleGast = _this.topLevelRuleRecord(currRuleName, originalGrammarAction);
+                        });
+                        _this.gastProductionsCache[currRuleName] = recordedRuleGast;
+                    });
+                }
+                finally {
+                    _this.disableRecording();
+                }
+            });
+            var resolverErrors = [];
+            _this.TRACE_INIT("Grammar Resolving", function () {
+                resolverErrors = gast_resolver_public_1.resolveGrammar({
+                    rules: utils_1.values(_this.gastProductionsCache)
+                });
+                _this.definitionErrors.push.apply(_this.definitionErrors, resolverErrors); // mutability for the win?
+            });
+            _this.TRACE_INIT("Grammar Validations", function () {
+                // only perform additional grammar validations IFF no resolving errors have occurred.
+                // as unresolved grammar may lead to unhandled runtime exceptions in the follow up validations.
+                if (utils_1.isEmpty(resolverErrors) && _this.skipValidations === false) {
+                    var validationErrors = gast_resolver_public_1.validateGrammar({
+                        rules: utils_1.values(_this.gastProductionsCache),
+                        maxLookahead: _this.maxLookahead,
+                        tokenTypes: utils_1.values(_this.tokensMap),
+                        errMsgProvider: errors_public_1.defaultGrammarValidatorErrorProvider,
+                        grammarName: className
+                    });
+                    _this.definitionErrors.push.apply(_this.definitionErrors, validationErrors); // mutability for the win?
+                }
+            });
+            // this analysis may fail if the grammar is not perfectly valid
+            if (utils_1.isEmpty(_this.definitionErrors)) {
+                // The results of these computations are not needed unless error recovery is enabled.
+                if (_this.recoveryEnabled) {
+                    _this.TRACE_INIT("computeAllProdsFollows", function () {
+                        var allFollows = follow_1.computeAllProdsFollows(utils_1.values(_this.gastProductionsCache));
+                        _this.resyncFollows = allFollows;
+                    });
+                }
+                _this.TRACE_INIT("ComputeLookaheadFunctions", function () {
+                    _this.preComputeLookaheadFunctions(utils_1.values(_this.gastProductionsCache));
+                });
+            }
+            if (!Parser.DEFER_DEFINITION_ERRORS_HANDLING &&
+                !utils_1.isEmpty(_this.definitionErrors)) {
+                defErrorsMsgs = utils_1.map(_this.definitionErrors, function (defError) { return defError.message; });
+                throw new Error("Parser Definition Errors detected:\n " + defErrorsMsgs.join("\n-------------------------------\n"));
+            }
+        });
+    };
+    // Set this flag to true if you don't want the Parser to throw error when problems in it's definition are detected.
+    // (normally during the parser's constructor).
+    // This is a design time flag, it will not affect the runtime error handling of the parser, just design time errors,
+    // for example: duplicate rule names, referencing an unresolved subrule, ect...
+    // This flag should not be enabled during normal usage, it is used in special situations, for example when
+    // needing to display the parser definition errors in some GUI(online playground).
+    Parser.DEFER_DEFINITION_ERRORS_HANDLING = false;
+    return Parser;
+}());
+exports.Parser = Parser;
+utils_1.applyMixins(Parser, [
+    recoverable_1.Recoverable,
+    looksahead_1.LooksAhead,
+    tree_builder_1.TreeBuilder,
+    lexer_adapter_1.LexerAdapter,
+    recognizer_engine_1.RecognizerEngine,
+    recognizer_api_1.RecognizerApi,
+    error_handler_1.ErrorHandler,
+    context_assist_1.ContentAssist,
+    gast_recorder_1.GastRecorder,
+    perf_tracer_1.PerformanceTracer
+]);
+var CstParser = /** @class */ (function (_super) {
+    __extends(CstParser, _super);
+    function CstParser(tokenVocabulary, config) {
+        if (config === void 0) { config = exports.DEFAULT_PARSER_CONFIG; }
+        var _this = this;
+        var configClone = utils_1.cloneObj(config);
+        configClone.outputCst = true;
+        _this = _super.call(this, tokenVocabulary, configClone) || this;
+        return _this;
+    }
+    return CstParser;
+}(Parser));
+exports.CstParser = CstParser;
+var EmbeddedActionsParser = /** @class */ (function (_super) {
+    __extends(EmbeddedActionsParser, _super);
+    function EmbeddedActionsParser(tokenVocabulary, config) {
+        if (config === void 0) { config = exports.DEFAULT_PARSER_CONFIG; }
+        var _this = this;
+        var configClone = utils_1.cloneObj(config);
+        configClone.outputCst = false;
+        _this = _super.call(this, tokenVocabulary, configClone) || this;
+        return _this;
+    }
+    return EmbeddedActionsParser;
+}(Parser));
+exports.EmbeddedActionsParser = EmbeddedActionsParser;
+//# sourceMappingURL=parser.js.map

node_modules/chevrotain/lib/src/parse/parser/traits/context_assist.js

@@ -0,0 +1,29 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ContentAssist = void 0;
+var interpreter_1 = require("../../grammar/interpreter");
+var utils_1 = require("../../../utils/utils");
+var ContentAssist = /** @class */ (function () {
+    function ContentAssist() {
+    }
+    ContentAssist.prototype.initContentAssist = function () { };
+    ContentAssist.prototype.computeContentAssist = function (startRuleName, precedingInput) {
+        var startRuleGast = this.gastProductionsCache[startRuleName];
+        if (utils_1.isUndefined(startRuleGast)) {
+            throw Error("Rule ->" + startRuleName + "<- does not exist in this grammar.");
+        }
+        return interpreter_1.nextPossibleTokensAfter([startRuleGast], precedingInput, this.tokenMatcher, this.maxLookahead);
+    };
+    // TODO: should this be a member method or a utility? it does not have any state or usage of 'this'...
+    // TODO: should this be more explicitly part of the public API?
+    ContentAssist.prototype.getNextPossibleTokenTypes = function (grammarPath) {
+        var topRuleName = utils_1.first(grammarPath.ruleStack);
+        var gastProductions = this.getGAstProductions();
+        var topProduction = gastProductions[topRuleName];
+        var nextPossibleTokenTypes = new interpreter_1.NextAfterTokenWalker(topProduction, grammarPath).startWalking();
+        return nextPossibleTokenTypes;
+    };
+    return ContentAssist;
+}());
+exports.ContentAssist = ContentAssist;
+//# sourceMappingURL=context_assist.js.map

node_modules/chevrotain/lib/src/parse/parser/traits/context_assist.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"context_assist.js","sourceRoot":"","sources":["../../../../../src/parse/parser/traits/context_assist.ts"],"names":[],"mappings":";;;AAMA,yDAGkC;AAClC,8CAAyD;AAGzD;IAAA;IAqCA,CAAC;IApCC,yCAAiB,GAAjB,cAAqB,CAAC;IAEf,4CAAoB,GAA3B,UAEE,aAAqB,EACrB,cAAwB;QAExB,IAAI,aAAa,GAAG,IAAI,CAAC,oBAAoB,CAAC,aAAa,CAAC,CAAA;QAE5D,IAAI,mBAAW,CAAC,aAAa,CAAC,EAAE;YAC9B,MAAM,KAAK,CAAC,YAAU,aAAa,uCAAoC,CAAC,CAAA;SACzE;QAED,OAAO,qCAAuB,CAC5B,CAAC,aAAa,CAAC,EACf,cAAc,EACd,IAAI,CAAC,YAAY,EACjB,IAAI,CAAC,YAAY,CAClB,CAAA;IACH,CAAC;IAED,sGAAsG;IACtG,+DAA+D;IACxD,iDAAyB,GAAhC,UAEE,WAA8B;QAE9B,IAAI,WAAW,GAAG,aAAK,CAAC,WAAW,CAAC,SAAS,CAAC,CAAA;QAC9C,IAAI,eAAe,GAAG,IAAI,CAAC,kBAAkB,EAAE,CAAA;QAC/C,IAAI,aAAa,GAAG,eAAe,CAAC,WAAW,CAAC,CAAA;QAChD,IAAI,sBAAsB,GAAG,IAAI,kCAAoB,CACnD,aAAa,EACb,WAAW,CACZ,CAAC,YAAY,EAAE,CAAA;QAChB,OAAO,sBAAsB,CAAA;IAC/B,CAAC;IACH,oBAAC;AAAD,CAAC,AArCD,IAqCC;AArCY,sCAAa"}

node_modules/chevrotain/lib/src/parse/parser/traits/error_handler.js

@@ -0,0 +1,85 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ErrorHandler = void 0;
+var exceptions_public_1 = require("../../exceptions_public");
+var utils_1 = require("../../../utils/utils");
+var lookahead_1 = require("../../grammar/lookahead");
+var parser_1 = require("../parser");
+/**
+ * Trait responsible for runtime parsing errors.
+ */
+var ErrorHandler = /** @class */ (function () {
+    function ErrorHandler() {
+    }
+    ErrorHandler.prototype.initErrorHandler = function (config) {
+        this._errors = [];
+        this.errorMessageProvider = utils_1.has(config, "errorMessageProvider")
+            ? config.errorMessageProvider
+            : parser_1.DEFAULT_PARSER_CONFIG.errorMessageProvider;
+    };
+    ErrorHandler.prototype.SAVE_ERROR = function (error) {
+        if (exceptions_public_1.isRecognitionException(error)) {
+            error.context = {
+                ruleStack: this.getHumanReadableRuleStack(),
+                ruleOccurrenceStack: utils_1.cloneArr(this.RULE_OCCURRENCE_STACK)
+            };
+            this._errors.push(error);
+            return error;
+        }
+        else {
+            throw Error("Trying to save an Error which is not a RecognitionException");
+        }
+    };
+    Object.defineProperty(ErrorHandler.prototype, "errors", {
+        get: function () {
+            return utils_1.cloneArr(this._errors);
+        },
+        set: function (newErrors) {
+            this._errors = newErrors;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    // TODO: consider caching the error message computed information
+    ErrorHandler.prototype.raiseEarlyExitException = function (occurrence, prodType, userDefinedErrMsg) {
+        var ruleName = this.getCurrRuleFullName();
+        var ruleGrammar = this.getGAstProductions()[ruleName];
+        var lookAheadPathsPerAlternative = lookahead_1.getLookaheadPathsForOptionalProd(occurrence, ruleGrammar, prodType, this.maxLookahead);
+        var insideProdPaths = lookAheadPathsPerAlternative[0];
+        var actualTokens = [];
+        for (var i = 1; i <= this.maxLookahead; i++) {
+            actualTokens.push(this.LA(i));
+        }
+        var msg = this.errorMessageProvider.buildEarlyExitMessage({
+            expectedIterationPaths: insideProdPaths,
+            actual: actualTokens,
+            previous: this.LA(0),
+            customUserDescription: userDefinedErrMsg,
+            ruleName: ruleName
+        });
+        throw this.SAVE_ERROR(new exceptions_public_1.EarlyExitException(msg, this.LA(1), this.LA(0)));
+    };
+    // TODO: consider caching the error message computed information
+    ErrorHandler.prototype.raiseNoAltException = function (occurrence, errMsgTypes) {
+        var ruleName = this.getCurrRuleFullName();
+        var ruleGrammar = this.getGAstProductions()[ruleName];
+        // TODO: getLookaheadPathsForOr can be slow for large enough maxLookahead and certain grammars, consider caching ?
+        var lookAheadPathsPerAlternative = lookahead_1.getLookaheadPathsForOr(occurrence, ruleGrammar, this.maxLookahead);
+        var actualTokens = [];
+        for (var i = 1; i <= this.maxLookahead; i++) {
+            actualTokens.push(this.LA(i));
+        }
+        var previousToken = this.LA(0);
+        var errMsg = this.errorMessageProvider.buildNoViableAltMessage({
+            expectedPathsPerAlt: lookAheadPathsPerAlternative,
+            actual: actualTokens,
+            previous: previousToken,
+            customUserDescription: errMsgTypes,
+            ruleName: this.getCurrRuleFullName()
+        });
+        throw this.SAVE_ERROR(new exceptions_public_1.NoViableAltException(errMsg, this.LA(1), previousToken));
+    };
+    return ErrorHandler;
+}());
+exports.ErrorHandler = ErrorHandler;
+//# sourceMappingURL=error_handler.js.map

node_modules/chevrotain/lib/src/parse/parser/traits/error_handler.js.map

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node_modules/chevrotain/lib/src/parse/parser/traits/gast_recorder.js

@@ -0,0 +1,305 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.GastRecorder = void 0;
+var utils_1 = require("../../../utils/utils");
+var gast_public_1 = require("../../grammar/gast/gast_public");
+var lexer_public_1 = require("../../../scan/lexer_public");
+var tokens_1 = require("../../../scan/tokens");
+var tokens_public_1 = require("../../../scan/tokens_public");
+var parser_1 = require("../parser");
+var keys_1 = require("../../grammar/keys");
+var RECORDING_NULL_OBJECT = {
+    description: "This Object indicates the Parser is during Recording Phase"
+};
+Object.freeze(RECORDING_NULL_OBJECT);
+var HANDLE_SEPARATOR = true;
+var MAX_METHOD_IDX = Math.pow(2, keys_1.BITS_FOR_OCCURRENCE_IDX) - 1;
+var RFT = tokens_public_1.createToken({ name: "RECORDING_PHASE_TOKEN", pattern: lexer_public_1.Lexer.NA });
+tokens_1.augmentTokenTypes([RFT]);
+var RECORDING_PHASE_TOKEN = tokens_public_1.createTokenInstance(RFT, "This IToken indicates the Parser is in Recording Phase\n\t" +
+    "" +
+    "See: https://sap.github.io/chevrotain/docs/guide/internals.html#grammar-recording for details", 
+// Using "-1" instead of NaN (as in EOF) because an actual number is less likely to
+// cause errors if the output of LA or CONSUME would be (incorrectly) used during the recording phase.
+-1, -1, -1, -1, -1, -1);
+Object.freeze(RECORDING_PHASE_TOKEN);
+var RECORDING_PHASE_CSTNODE = {
+    name: "This CSTNode indicates the Parser is in Recording Phase\n\t" +
+        "See: https://sap.github.io/chevrotain/docs/guide/internals.html#grammar-recording for details",
+    children: {}
+};
+/**
+ * This trait handles the creation of the GAST structure for Chevrotain Grammars
+ */
+var GastRecorder = /** @class */ (function () {
+    function GastRecorder() {
+    }
+    GastRecorder.prototype.initGastRecorder = function (config) {
+        this.recordingProdStack = [];
+        this.RECORDING_PHASE = false;
+    };
+    GastRecorder.prototype.enableRecording = function () {
+        var _this = this;
+        this.RECORDING_PHASE = true;
+        this.TRACE_INIT("Enable Recording", function () {
+            var _loop_1 = function (i) {
+                var idx = i > 0 ? i : "";
+                _this["CONSUME" + idx] = function (arg1, arg2) {
+                    return this.consumeInternalRecord(arg1, i, arg2);
+                };
+                _this["SUBRULE" + idx] = function (arg1, arg2) {
+                    return this.subruleInternalRecord(arg1, i, arg2);
+                };
+                _this["OPTION" + idx] = function (arg1) {
+                    return this.optionInternalRecord(arg1, i);
+                };
+                _this["OR" + idx] = function (arg1) {
+                    return this.orInternalRecord(arg1, i);
+                };
+                _this["MANY" + idx] = function (arg1) {
+                    this.manyInternalRecord(i, arg1);
+                };
+                _this["MANY_SEP" + idx] = function (arg1) {
+                    this.manySepFirstInternalRecord(i, arg1);
+                };
+                _this["AT_LEAST_ONE" + idx] = function (arg1) {
+                    this.atLeastOneInternalRecord(i, arg1);
+                };
+                _this["AT_LEAST_ONE_SEP" + idx] = function (arg1) {
+                    this.atLeastOneSepFirstInternalRecord(i, arg1);
+                };
+            };
+            /**
+             * Warning Dark Voodoo Magic upcoming!
+             * We are "replacing" the public parsing DSL methods API
+             * With **new** alternative implementations on the Parser **instance**
+             *
+             * So far this is the only way I've found to avoid performance regressions during parsing time.
+             * - Approx 30% performance regression was measured on Chrome 75 Canary when attempting to replace the "internal"
+             *   implementations directly instead.
+             */
+            for (var i = 0; i < 10; i++) {
+                _loop_1(i);
+            }
+            // DSL methods with the idx(suffix) as an argument
+            _this["consume"] = function (idx, arg1, arg2) {
+                return this.consumeInternalRecord(arg1, idx, arg2);
+            };
+            _this["subrule"] = function (idx, arg1, arg2) {
+                return this.subruleInternalRecord(arg1, idx, arg2);
+            };
+            _this["option"] = function (idx, arg1) {
+                return this.optionInternalRecord(arg1, idx);
+            };
+            _this["or"] = function (idx, arg1) {
+                return this.orInternalRecord(arg1, idx);
+            };
+            _this["many"] = function (idx, arg1) {
+                this.manyInternalRecord(idx, arg1);
+            };
+            _this["atLeastOne"] = function (idx, arg1) {
+                this.atLeastOneInternalRecord(idx, arg1);
+            };
+            _this.ACTION = _this.ACTION_RECORD;
+            _this.BACKTRACK = _this.BACKTRACK_RECORD;
+            _this.LA = _this.LA_RECORD;
+        });
+    };
+    GastRecorder.prototype.disableRecording = function () {
+        var _this = this;
+        this.RECORDING_PHASE = false;
+        // By deleting these **instance** properties, any future invocation
+        // will be deferred to the original methods on the **prototype** object
+        // This seems to get rid of any incorrect optimizations that V8 may
+        // do during the recording phase.
+        this.TRACE_INIT("Deleting Recording methods", function () {
+            for (var i = 0; i < 10; i++) {
+                var idx = i > 0 ? i : "";
+                delete _this["CONSUME" + idx];
+                delete _this["SUBRULE" + idx];
+                delete _this["OPTION" + idx];
+                delete _this["OR" + idx];
+                delete _this["MANY" + idx];
+                delete _this["MANY_SEP" + idx];
+                delete _this["AT_LEAST_ONE" + idx];
+                delete _this["AT_LEAST_ONE_SEP" + idx];
+            }
+            delete _this["consume"];
+            delete _this["subrule"];
+            delete _this["option"];
+            delete _this["or"];
+            delete _this["many"];
+            delete _this["atLeastOne"];
+            delete _this.ACTION;
+            delete _this.BACKTRACK;
+            delete _this.LA;
+        });
+    };
+    // TODO: is there any way to use this method to check no
+    //   Parser methods are called inside an ACTION?
+    //   Maybe try/catch/finally on ACTIONS while disabling the recorders state changes?
+    GastRecorder.prototype.ACTION_RECORD = function (impl) {
+        // NO-OP during recording
+        return;
+    };
+    // Executing backtracking logic will break our recording logic assumptions
+    GastRecorder.prototype.BACKTRACK_RECORD = function (grammarRule, args) {
+        return function () { return true; };
+    };
+    // LA is part of the official API and may be used for custom lookahead logic
+    // by end users who may forget to wrap it in ACTION or inside a GATE
+    GastRecorder.prototype.LA_RECORD = function (howMuch) {
+        // We cannot use the RECORD_PHASE_TOKEN here because someone may depend
+        // On LA return EOF at the end of the input so an infinite loop may occur.
+        return parser_1.END_OF_FILE;
+    };
+    GastRecorder.prototype.topLevelRuleRecord = function (name, def) {
+        try {
+            var newTopLevelRule = new gast_public_1.Rule({ definition: [], name: name });
+            newTopLevelRule.name = name;
+            this.recordingProdStack.push(newTopLevelRule);
+            def.call(this);
+            this.recordingProdStack.pop();
+            return newTopLevelRule;
+        }
+        catch (originalError) {
+            if (originalError.KNOWN_RECORDER_ERROR !== true) {
+                try {
+                    originalError.message =
+                        originalError.message +
+                            '\n\t This error was thrown during the "grammar recording phase" For more info see:\n\t' +
+                            "https://sap.github.io/chevrotain/docs/guide/internals.html#grammar-recording";
+                }
+                catch (mutabilityError) {
+                    // We may not be able to modify the original error object
+                    throw originalError;
+                }
+            }
+            throw originalError;
+        }
+    };
+    // Implementation of parsing DSL
+    GastRecorder.prototype.optionInternalRecord = function (actionORMethodDef, occurrence) {
+        return recordProd.call(this, gast_public_1.Option, actionORMethodDef, occurrence);
+    };
+    GastRecorder.prototype.atLeastOneInternalRecord = function (occurrence, actionORMethodDef) {
+        recordProd.call(this, gast_public_1.RepetitionMandatory, actionORMethodDef, occurrence);
+    };
+    GastRecorder.prototype.atLeastOneSepFirstInternalRecord = function (occurrence, options) {
+        recordProd.call(this, gast_public_1.RepetitionMandatoryWithSeparator, options, occurrence, HANDLE_SEPARATOR);
+    };
+    GastRecorder.prototype.manyInternalRecord = function (occurrence, actionORMethodDef) {
+        recordProd.call(this, gast_public_1.Repetition, actionORMethodDef, occurrence);
+    };
+    GastRecorder.prototype.manySepFirstInternalRecord = function (occurrence, options) {
+        recordProd.call(this, gast_public_1.RepetitionWithSeparator, options, occurrence, HANDLE_SEPARATOR);
+    };
+    GastRecorder.prototype.orInternalRecord = function (altsOrOpts, occurrence) {
+        return recordOrProd.call(this, altsOrOpts, occurrence);
+    };
+    GastRecorder.prototype.subruleInternalRecord = function (ruleToCall, occurrence, options) {
+        assertMethodIdxIsValid(occurrence);
+        if (!ruleToCall || utils_1.has(ruleToCall, "ruleName") === false) {
+            var error = new Error("<SUBRULE" + getIdxSuffix(occurrence) + "> argument is invalid" +
+                (" expecting a Parser method reference but got: <" + JSON.stringify(ruleToCall) + ">") +
+                ("\n inside top level rule: <" + this.recordingProdStack[0].name + ">"));
+            error.KNOWN_RECORDER_ERROR = true;
+            throw error;
+        }
+        var prevProd = utils_1.peek(this.recordingProdStack);
+        var ruleName = ruleToCall["ruleName"];
+        var newNoneTerminal = new gast_public_1.NonTerminal({
+            idx: occurrence,
+            nonTerminalName: ruleName,
+            // The resolving of the `referencedRule` property will be done once all the Rule's GASTs have been created
+            referencedRule: undefined
+        });
+        prevProd.definition.push(newNoneTerminal);
+        return this.outputCst ? RECORDING_PHASE_CSTNODE : RECORDING_NULL_OBJECT;
+    };
+    GastRecorder.prototype.consumeInternalRecord = function (tokType, occurrence, options) {
+        assertMethodIdxIsValid(occurrence);
+        if (!tokens_1.hasShortKeyProperty(tokType)) {
+            var error = new Error("<CONSUME" + getIdxSuffix(occurrence) + "> argument is invalid" +
+                (" expecting a TokenType reference but got: <" + JSON.stringify(tokType) + ">") +
+                ("\n inside top level rule: <" + this.recordingProdStack[0].name + ">"));
+            error.KNOWN_RECORDER_ERROR = true;
+            throw error;
+        }
+        var prevProd = utils_1.peek(this.recordingProdStack);
+        var newNoneTerminal = new gast_public_1.Terminal({
+            idx: occurrence,
+            terminalType: tokType
+        });
+        prevProd.definition.push(newNoneTerminal);
+        return RECORDING_PHASE_TOKEN;
+    };
+    return GastRecorder;
+}());
+exports.GastRecorder = GastRecorder;
+function recordProd(prodConstructor, mainProdArg, occurrence, handleSep) {
+    if (handleSep === void 0) { handleSep = false; }
+    assertMethodIdxIsValid(occurrence);
+    var prevProd = utils_1.peek(this.recordingProdStack);
+    var grammarAction = utils_1.isFunction(mainProdArg) ? mainProdArg : mainProdArg.DEF;
+    var newProd = new prodConstructor({ definition: [], idx: occurrence });
+    if (handleSep) {
+        newProd.separator = mainProdArg.SEP;
+    }
+    if (utils_1.has(mainProdArg, "MAX_LOOKAHEAD")) {
+        newProd.maxLookahead = mainProdArg.MAX_LOOKAHEAD;
+    }
+    this.recordingProdStack.push(newProd);
+    grammarAction.call(this);
+    prevProd.definition.push(newProd);
+    this.recordingProdStack.pop();
+    return RECORDING_NULL_OBJECT;
+}
+function recordOrProd(mainProdArg, occurrence) {
+    var _this = this;
+    assertMethodIdxIsValid(occurrence);
+    var prevProd = utils_1.peek(this.recordingProdStack);
+    // Only an array of alternatives
+    var hasOptions = utils_1.isArray(mainProdArg) === false;
+    var alts = hasOptions === false ? mainProdArg : mainProdArg.DEF;
+    var newOrProd = new gast_public_1.Alternation({
+        definition: [],
+        idx: occurrence,
+        ignoreAmbiguities: hasOptions && mainProdArg.IGNORE_AMBIGUITIES === true
+    });
+    if (utils_1.has(mainProdArg, "MAX_LOOKAHEAD")) {
+        newOrProd.maxLookahead = mainProdArg.MAX_LOOKAHEAD;
+    }
+    var hasPredicates = utils_1.some(alts, function (currAlt) { return utils_1.isFunction(currAlt.GATE); });
+    newOrProd.hasPredicates = hasPredicates;
+    prevProd.definition.push(newOrProd);
+    utils_1.forEach(alts, function (currAlt) {
+        var currAltFlat = new gast_public_1.Alternative({ definition: [] });
+        newOrProd.definition.push(currAltFlat);
+        if (utils_1.has(currAlt, "IGNORE_AMBIGUITIES")) {
+            currAltFlat.ignoreAmbiguities = currAlt.IGNORE_AMBIGUITIES;
+        }
+        // **implicit** ignoreAmbiguities due to usage of gate
+        else if (utils_1.has(currAlt, "GATE")) {
+            currAltFlat.ignoreAmbiguities = true;
+        }
+        _this.recordingProdStack.push(currAltFlat);
+        currAlt.ALT.call(_this);
+        _this.recordingProdStack.pop();
+    });
+    return RECORDING_NULL_OBJECT;
+}
+function getIdxSuffix(idx) {
+    return idx === 0 ? "" : "" + idx;
+}
+function assertMethodIdxIsValid(idx) {
+    if (idx < 0 || idx > MAX_METHOD_IDX) {
+        var error = new Error(
+        // The stack trace will contain all the needed details
+        "Invalid DSL Method idx value: <" + idx + ">\n\t" +
+            ("Idx value must be a none negative value smaller than " + (MAX_METHOD_IDX + 1)));
+        error.KNOWN_RECORDER_ERROR = true;
+        throw error;
+    }
+}
+//# sourceMappingURL=gast_recorder.js.map

node_modules/chevrotain/lib/src/parse/parser/traits/lexer_adapter.js

@@ -0,0 +1,81 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.LexerAdapter = void 0;
+var parser_1 = require("../parser");
+/**
+ * Trait responsible abstracting over the interaction with Lexer output (Token vector).
+ *
+ * This could be generalized to support other kinds of lexers, e.g.
+ * - Just in Time Lexing / Lexer-Less parsing.
+ * - Streaming Lexer.
+ */
+var LexerAdapter = /** @class */ (function () {
+    function LexerAdapter() {
+    }
+    LexerAdapter.prototype.initLexerAdapter = function () {
+        this.tokVector = [];
+        this.tokVectorLength = 0;
+        this.currIdx = -1;
+    };
+    Object.defineProperty(LexerAdapter.prototype, "input", {
+        get: function () {
+            return this.tokVector;
+        },
+        set: function (newInput) {
+            // @ts-ignore - `this parameter` not supported in setters/getters
+            //   - https://www.typescriptlang.org/docs/handbook/functions.html#this-parameters
+            if (this.selfAnalysisDone !== true) {
+                throw Error("Missing <performSelfAnalysis> invocation at the end of the Parser's constructor.");
+            }
+            // @ts-ignore - `this parameter` not supported in setters/getters
+            //   - https://www.typescriptlang.org/docs/handbook/functions.html#this-parameters
+            this.reset();
+            this.tokVector = newInput;
+            this.tokVectorLength = newInput.length;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    // skips a token and returns the next token
+    LexerAdapter.prototype.SKIP_TOKEN = function () {
+        if (this.currIdx <= this.tokVector.length - 2) {
+            this.consumeToken();
+            return this.LA(1);
+        }
+        else {
+            return parser_1.END_OF_FILE;
+        }
+    };
+    // Lexer (accessing Token vector) related methods which can be overridden to implement lazy lexers
+    // or lexers dependent on parser context.
+    LexerAdapter.prototype.LA = function (howMuch) {
+        var soughtIdx = this.currIdx + howMuch;
+        if (soughtIdx < 0 || this.tokVectorLength <= soughtIdx) {
+            return parser_1.END_OF_FILE;
+        }
+        else {
+            return this.tokVector[soughtIdx];
+        }
+    };
+    LexerAdapter.prototype.consumeToken = function () {
+        this.currIdx++;
+    };
+    LexerAdapter.prototype.exportLexerState = function () {
+        return this.currIdx;
+    };
+    LexerAdapter.prototype.importLexerState = function (newState) {
+        this.currIdx = newState;
+    };
+    LexerAdapter.prototype.resetLexerState = function () {
+        this.currIdx = -1;
+    };
+    LexerAdapter.prototype.moveToTerminatedState = function () {
+        this.currIdx = this.tokVector.length - 1;
+    };
+    LexerAdapter.prototype.getLexerPosition = function () {
+        return this.exportLexerState();
+    };
+    return LexerAdapter;
+}());
+exports.LexerAdapter = LexerAdapter;
+//# sourceMappingURL=lexer_adapter.js.map

node_modules/chevrotain/lib/src/parse/parser/traits/lexer_adapter.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"lexer_adapter.js","sourceRoot":"","sources":["../../../../../src/parse/parser/traits/lexer_adapter.ts"],"names":[],"mappings":";;;AAAA,oCAAuC;AAIvC;;;;;;GAMG;AACH;IAAA;IA0EA,CAAC;IArEC,uCAAgB,GAAhB;QACE,IAAI,CAAC,SAAS,GAAG,EAAE,CAAA;QACnB,IAAI,CAAC,eAAe,GAAG,CAAC,CAAA;QACxB,IAAI,CAAC,OAAO,GAAG,CAAC,CAAC,CAAA;IACnB,CAAC;IAED,sBAAI,+BAAK;aAeT;YACE,OAAO,IAAI,CAAC,SAAS,CAAA;QACvB,CAAC;aAjBD,UAAU,QAAkB;YAC1B,iEAAiE;YACjE,kFAAkF;YAClF,IAAI,IAAI,CAAC,gBAAgB,KAAK,IAAI,EAAE;gBAClC,MAAM,KAAK,CACT,kFAAkF,CACnF,CAAA;aACF;YACD,iEAAiE;YACjE,kFAAkF;YAClF,IAAI,CAAC,KAAK,EAAE,CAAA;YACZ,IAAI,CAAC,SAAS,GAAG,QAAQ,CAAA;YACzB,IAAI,CAAC,eAAe,GAAG,QAAQ,CAAC,MAAM,CAAA;QACxC,CAAC;;;OAAA;IAMD,2CAA2C;IAC3C,iCAAU,GAAV;QACE,IAAI,IAAI,CAAC,OAAO,IAAI,IAAI,CAAC,SAAS,CAAC,MAAM,GAAG,CAAC,EAAE;YAC7C,IAAI,CAAC,YAAY,EAAE,CAAA;YACnB,OAAO,IAAI,CAAC,EAAE,CAAC,CAAC,CAAC,CAAA;SAClB;aAAM;YACL,OAAO,oBAAW,CAAA;SACnB;IACH,CAAC;IAED,kGAAkG;IAClG,yCAAyC;IACzC,yBAAE,GAAF,UAAwB,OAAe;QACrC,IAAM,SAAS,GAAG,IAAI,CAAC,OAAO,GAAG,OAAO,CAAA;QACxC,IAAI,SAAS,GAAG,CAAC,IAAI,IAAI,CAAC,eAAe,IAAI,SAAS,EAAE;YACtD,OAAO,oBAAW,CAAA;SACnB;aAAM;YACL,OAAO,IAAI,CAAC,SAAS,CAAC,SAAS,CAAC,CAAA;SACjC;IACH,CAAC;IAED,mCAAY,GAAZ;QACE,IAAI,CAAC,OAAO,EAAE,CAAA;IAChB,CAAC;IAED,uCAAgB,GAAhB;QACE,OAAO,IAAI,CAAC,OAAO,CAAA;IACrB,CAAC;IAED,uCAAgB,GAAhB,UAAsC,QAAgB;QACpD,IAAI,CAAC,OAAO,GAAG,QAAQ,CAAA;IACzB,CAAC;IAED,sCAAe,GAAf;QACE,IAAI,CAAC,OAAO,GAAG,CAAC,CAAC,CAAA;IACnB,CAAC;IAED,4CAAqB,GAArB;QACE,IAAI,CAAC,OAAO,GAAG,IAAI,CAAC,SAAS,CAAC,MAAM,GAAG,CAAC,CAAA;IAC1C,CAAC;IAED,uCAAgB,GAAhB;QACE,OAAO,IAAI,CAAC,gBAAgB,EAAE,CAAA;IAChC,CAAC;IACH,mBAAC;AAAD,CAAC,AA1ED,IA0EC;AA1EY,oCAAY"}

node_modules/chevrotain/lib/src/parse/parser/traits/looksahead.js

@@ -0,0 +1,109 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.LooksAhead = void 0;
+var lookahead_1 = require("../../grammar/lookahead");
+var utils_1 = require("../../../utils/utils");
+var parser_1 = require("../parser");
+var keys_1 = require("../../grammar/keys");
+var gast_1 = require("../../grammar/gast/gast");
+/**
+ * Trait responsible for the lookahead related utilities and optimizations.
+ */
+var LooksAhead = /** @class */ (function () {
+    function LooksAhead() {
+    }
+    LooksAhead.prototype.initLooksAhead = function (config) {
+        this.dynamicTokensEnabled = utils_1.has(config, "dynamicTokensEnabled")
+            ? config.dynamicTokensEnabled
+            : parser_1.DEFAULT_PARSER_CONFIG.dynamicTokensEnabled;
+        this.maxLookahead = utils_1.has(config, "maxLookahead")
+            ? config.maxLookahead
+            : parser_1.DEFAULT_PARSER_CONFIG.maxLookahead;
+        /* istanbul ignore next - Using plain array as dictionary will be tested on older node.js versions and IE11 */
+        this.lookAheadFuncsCache = utils_1.isES2015MapSupported() ? new Map() : [];
+        // Performance optimization on newer engines that support ES6 Map
+        // For larger Maps this is slightly faster than using a plain object (array in our case).
+        /* istanbul ignore else - The else branch will be tested on older node.js versions and IE11 */
+        if (utils_1.isES2015MapSupported()) {
+            this.getLaFuncFromCache = this.getLaFuncFromMap;
+            this.setLaFuncCache = this.setLaFuncCacheUsingMap;
+        }
+        else {
+            this.getLaFuncFromCache = this.getLaFuncFromObj;
+            this.setLaFuncCache = this.setLaFuncUsingObj;
+        }
+    };
+    LooksAhead.prototype.preComputeLookaheadFunctions = function (rules) {
+        var _this = this;
+        utils_1.forEach(rules, function (currRule) {
+            _this.TRACE_INIT(currRule.name + " Rule Lookahead", function () {
+                var _a = gast_1.collectMethods(currRule), alternation = _a.alternation, repetition = _a.repetition, option = _a.option, repetitionMandatory = _a.repetitionMandatory, repetitionMandatoryWithSeparator = _a.repetitionMandatoryWithSeparator, repetitionWithSeparator = _a.repetitionWithSeparator;
+                utils_1.forEach(alternation, function (currProd) {
+                    var prodIdx = currProd.idx === 0 ? "" : currProd.idx;
+                    _this.TRACE_INIT("" + gast_1.getProductionDslName(currProd) + prodIdx, function () {
+                        var laFunc = lookahead_1.buildLookaheadFuncForOr(currProd.idx, currRule, currProd.maxLookahead || _this.maxLookahead, currProd.hasPredicates, _this.dynamicTokensEnabled, _this.lookAheadBuilderForAlternatives);
+                        var key = keys_1.getKeyForAutomaticLookahead(_this.fullRuleNameToShort[currRule.name], keys_1.OR_IDX, currProd.idx);
+                        _this.setLaFuncCache(key, laFunc);
+                    });
+                });
+                utils_1.forEach(repetition, function (currProd) {
+                    _this.computeLookaheadFunc(currRule, currProd.idx, keys_1.MANY_IDX, lookahead_1.PROD_TYPE.REPETITION, currProd.maxLookahead, gast_1.getProductionDslName(currProd));
+                });
+                utils_1.forEach(option, function (currProd) {
+                    _this.computeLookaheadFunc(currRule, currProd.idx, keys_1.OPTION_IDX, lookahead_1.PROD_TYPE.OPTION, currProd.maxLookahead, gast_1.getProductionDslName(currProd));
+                });
+                utils_1.forEach(repetitionMandatory, function (currProd) {
+                    _this.computeLookaheadFunc(currRule, currProd.idx, keys_1.AT_LEAST_ONE_IDX, lookahead_1.PROD_TYPE.REPETITION_MANDATORY, currProd.maxLookahead, gast_1.getProductionDslName(currProd));
+                });
+                utils_1.forEach(repetitionMandatoryWithSeparator, function (currProd) {
+                    _this.computeLookaheadFunc(currRule, currProd.idx, keys_1.AT_LEAST_ONE_SEP_IDX, lookahead_1.PROD_TYPE.REPETITION_MANDATORY_WITH_SEPARATOR, currProd.maxLookahead, gast_1.getProductionDslName(currProd));
+                });
+                utils_1.forEach(repetitionWithSeparator, function (currProd) {
+                    _this.computeLookaheadFunc(currRule, currProd.idx, keys_1.MANY_SEP_IDX, lookahead_1.PROD_TYPE.REPETITION_WITH_SEPARATOR, currProd.maxLookahead, gast_1.getProductionDslName(currProd));
+                });
+            });
+        });
+    };
+    LooksAhead.prototype.computeLookaheadFunc = function (rule, prodOccurrence, prodKey, prodType, prodMaxLookahead, dslMethodName) {
+        var _this = this;
+        this.TRACE_INIT("" + dslMethodName + (prodOccurrence === 0 ? "" : prodOccurrence), function () {
+            var laFunc = lookahead_1.buildLookaheadFuncForOptionalProd(prodOccurrence, rule, prodMaxLookahead || _this.maxLookahead, _this.dynamicTokensEnabled, prodType, _this.lookAheadBuilderForOptional);
+            var key = keys_1.getKeyForAutomaticLookahead(_this.fullRuleNameToShort[rule.name], prodKey, prodOccurrence);
+            _this.setLaFuncCache(key, laFunc);
+        });
+    };
+    LooksAhead.prototype.lookAheadBuilderForOptional = function (alt, tokenMatcher, dynamicTokensEnabled) {
+        return lookahead_1.buildSingleAlternativeLookaheadFunction(alt, tokenMatcher, dynamicTokensEnabled);
+    };
+    LooksAhead.prototype.lookAheadBuilderForAlternatives = function (alts, hasPredicates, tokenMatcher, dynamicTokensEnabled) {
+        return lookahead_1.buildAlternativesLookAheadFunc(alts, hasPredicates, tokenMatcher, dynamicTokensEnabled);
+    };
+    // this actually returns a number, but it is always used as a string (object prop key)
+    LooksAhead.prototype.getKeyForAutomaticLookahead = function (dslMethodIdx, occurrence) {
+        var currRuleShortName = this.getLastExplicitRuleShortName();
+        return keys_1.getKeyForAutomaticLookahead(currRuleShortName, dslMethodIdx, occurrence);
+    };
+    /* istanbul ignore next */
+    LooksAhead.prototype.getLaFuncFromCache = function (key) {
+        return undefined;
+    };
+    LooksAhead.prototype.getLaFuncFromMap = function (key) {
+        return this.lookAheadFuncsCache.get(key);
+    };
+    /* istanbul ignore next - Using plain array as dictionary will be tested on older node.js versions and IE11 */
+    LooksAhead.prototype.getLaFuncFromObj = function (key) {
+        return this.lookAheadFuncsCache[key];
+    };
+    /* istanbul ignore next */
+    LooksAhead.prototype.setLaFuncCache = function (key, value) { };
+    LooksAhead.prototype.setLaFuncCacheUsingMap = function (key, value) {
+        this.lookAheadFuncsCache.set(key, value);
+    };
+    /* istanbul ignore next - Using plain array as dictionary will be tested on older node.js versions and IE11 */
+    LooksAhead.prototype.setLaFuncUsingObj = function (key, value) {
+        this.lookAheadFuncsCache[key] = value;
+    };
+    return LooksAhead;
+}());
+exports.LooksAhead = LooksAhead;
+//# sourceMappingURL=looksahead.js.map

node_modules/chevrotain/lib/src/parse/parser/traits/looksahead.js.map

@@ -0,0 +1 @@
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node_modules/chevrotain/lib/src/parse/parser/traits/parser_traits.js

@@ -0,0 +1,7 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.EmbeddedActionsParser = exports.CstParser = void 0;
+var parser_1 = require("../parser");
+exports.CstParser = (parser_1.CstParser);
+exports.EmbeddedActionsParser = parser_1.EmbeddedActionsParser;
+//# sourceMappingURL=parser_traits.js.map

node_modules/chevrotain/lib/src/parse/parser/traits/parser_traits.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"parser_traits.js","sourceRoot":"","sources":["../../../../../src/parse/parser/traits/parser_traits.ts"],"names":[],"mappings":";;;AAOA,oCAIkB;AAiCL,QAAA,SAAS,GAAqC,CACzD,kBAAyB,CAC1B,CAAA;AASY,QAAA,qBAAqB,GAEjC,8BAAqC,CAAA"}

node_modules/chevrotain/lib/src/parse/parser/traits/perf_tracer.js

@@ -0,0 +1,54 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.PerformanceTracer = void 0;
+var utils_1 = require("../../../utils/utils");
+var parser_1 = require("../parser");
+/**
+ * Trait responsible for runtime parsing errors.
+ */
+var PerformanceTracer = /** @class */ (function () {
+    function PerformanceTracer() {
+    }
+    PerformanceTracer.prototype.initPerformanceTracer = function (config) {
+        if (utils_1.has(config, "traceInitPerf")) {
+            var userTraceInitPerf = config.traceInitPerf;
+            var traceIsNumber = typeof userTraceInitPerf === "number";
+            this.traceInitMaxIdent = traceIsNumber
+                ? userTraceInitPerf
+                : Infinity;
+            this.traceInitPerf = traceIsNumber
+                ? userTraceInitPerf > 0
+                : userTraceInitPerf;
+        }
+        else {
+            this.traceInitMaxIdent = 0;
+            this.traceInitPerf = parser_1.DEFAULT_PARSER_CONFIG.traceInitPerf;
+        }
+        this.traceInitIndent = -1;
+    };
+    PerformanceTracer.prototype.TRACE_INIT = function (phaseDesc, phaseImpl) {
+        // No need to optimize this using NOOP pattern because
+        // It is not called in a hot spot...
+        if (this.traceInitPerf === true) {
+            this.traceInitIndent++;
+            var indent = new Array(this.traceInitIndent + 1).join("\t");
+            if (this.traceInitIndent < this.traceInitMaxIdent) {
+                console.log(indent + "--> <" + phaseDesc + ">");
+            }
+            var _a = utils_1.timer(phaseImpl), time = _a.time, value = _a.value;
+            /* istanbul ignore next - Difficult to reproduce specific performance behavior (>10ms) in tests */
+            var traceMethod = time > 10 ? console.warn : console.log;
+            if (this.traceInitIndent < this.traceInitMaxIdent) {
+                traceMethod(indent + "<-- <" + phaseDesc + "> time: " + time + "ms");
+            }
+            this.traceInitIndent--;
+            return value;
+        }
+        else {
+            return phaseImpl();
+        }
+    };
+    return PerformanceTracer;
+}());
+exports.PerformanceTracer = PerformanceTracer;
+//# sourceMappingURL=perf_tracer.js.map

node_modules/chevrotain/lib/src/parse/parser/traits/perf_tracer.js.map

@@ -0,0 +1 @@
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node_modules/chevrotain/lib/src/parse/parser/traits/recognizer_api.js

@@ -0,0 +1,344 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.RecognizerApi = void 0;
+var utils_1 = require("../../../utils/utils");
+var exceptions_public_1 = require("../../exceptions_public");
+var parser_1 = require("../parser");
+var errors_public_1 = require("../../errors_public");
+var checks_1 = require("../../grammar/checks");
+var gast_public_1 = require("../../grammar/gast/gast_public");
+/**
+ * This trait is responsible for implementing the public API
+ * for defining Chevrotain parsers, i.e:
+ * - CONSUME
+ * - RULE
+ * - OPTION
+ * - ...
+ */
+var RecognizerApi = /** @class */ (function () {
+    function RecognizerApi() {
+    }
+    RecognizerApi.prototype.ACTION = function (impl) {
+        return impl.call(this);
+    };
+    RecognizerApi.prototype.consume = function (idx, tokType, options) {
+        return this.consumeInternal(tokType, idx, options);
+    };
+    RecognizerApi.prototype.subrule = function (idx, ruleToCall, options) {
+        return this.subruleInternal(ruleToCall, idx, options);
+    };
+    RecognizerApi.prototype.option = function (idx, actionORMethodDef) {
+        return this.optionInternal(actionORMethodDef, idx);
+    };
+    RecognizerApi.prototype.or = function (idx, altsOrOpts) {
+        return this.orInternal(altsOrOpts, idx);
+    };
+    RecognizerApi.prototype.many = function (idx, actionORMethodDef) {
+        return this.manyInternal(idx, actionORMethodDef);
+    };
+    RecognizerApi.prototype.atLeastOne = function (idx, actionORMethodDef) {
+        return this.atLeastOneInternal(idx, actionORMethodDef);
+    };
+    RecognizerApi.prototype.CONSUME = function (tokType, options) {
+        return this.consumeInternal(tokType, 0, options);
+    };
+    RecognizerApi.prototype.CONSUME1 = function (tokType, options) {
+        return this.consumeInternal(tokType, 1, options);
+    };
+    RecognizerApi.prototype.CONSUME2 = function (tokType, options) {
+        return this.consumeInternal(tokType, 2, options);
+    };
+    RecognizerApi.prototype.CONSUME3 = function (tokType, options) {
+        return this.consumeInternal(tokType, 3, options);
+    };
+    RecognizerApi.prototype.CONSUME4 = function (tokType, options) {
+        return this.consumeInternal(tokType, 4, options);
+    };
+    RecognizerApi.prototype.CONSUME5 = function (tokType, options) {
+        return this.consumeInternal(tokType, 5, options);
+    };
+    RecognizerApi.prototype.CONSUME6 = function (tokType, options) {
+        return this.consumeInternal(tokType, 6, options);
+    };
+    RecognizerApi.prototype.CONSUME7 = function (tokType, options) {
+        return this.consumeInternal(tokType, 7, options);
+    };
+    RecognizerApi.prototype.CONSUME8 = function (tokType, options) {
+        return this.consumeInternal(tokType, 8, options);
+    };
+    RecognizerApi.prototype.CONSUME9 = function (tokType, options) {
+        return this.consumeInternal(tokType, 9, options);
+    };
+    RecognizerApi.prototype.SUBRULE = function (ruleToCall, options) {
+        return this.subruleInternal(ruleToCall, 0, options);
+    };
+    RecognizerApi.prototype.SUBRULE1 = function (ruleToCall, options) {
+        return this.subruleInternal(ruleToCall, 1, options);
+    };
+    RecognizerApi.prototype.SUBRULE2 = function (ruleToCall, options) {
+        return this.subruleInternal(ruleToCall, 2, options);
+    };
+    RecognizerApi.prototype.SUBRULE3 = function (ruleToCall, options) {
+        return this.subruleInternal(ruleToCall, 3, options);
+    };
+    RecognizerApi.prototype.SUBRULE4 = function (ruleToCall, options) {
+        return this.subruleInternal(ruleToCall, 4, options);
+    };
+    RecognizerApi.prototype.SUBRULE5 = function (ruleToCall, options) {
+        return this.subruleInternal(ruleToCall, 5, options);
+    };
+    RecognizerApi.prototype.SUBRULE6 = function (ruleToCall, options) {
+        return this.subruleInternal(ruleToCall, 6, options);
+    };
+    RecognizerApi.prototype.SUBRULE7 = function (ruleToCall, options) {
+        return this.subruleInternal(ruleToCall, 7, options);
+    };
+    RecognizerApi.prototype.SUBRULE8 = function (ruleToCall, options) {
+        return this.subruleInternal(ruleToCall, 8, options);
+    };
+    RecognizerApi.prototype.SUBRULE9 = function (ruleToCall, options) {
+        return this.subruleInternal(ruleToCall, 9, options);
+    };
+    RecognizerApi.prototype.OPTION = function (actionORMethodDef) {
+        return this.optionInternal(actionORMethodDef, 0);
+    };
+    RecognizerApi.prototype.OPTION1 = function (actionORMethodDef) {
+        return this.optionInternal(actionORMethodDef, 1);
+    };
+    RecognizerApi.prototype.OPTION2 = function (actionORMethodDef) {
+        return this.optionInternal(actionORMethodDef, 2);
+    };
+    RecognizerApi.prototype.OPTION3 = function (actionORMethodDef) {
+        return this.optionInternal(actionORMethodDef, 3);
+    };
+    RecognizerApi.prototype.OPTION4 = function (actionORMethodDef) {
+        return this.optionInternal(actionORMethodDef, 4);
+    };
+    RecognizerApi.prototype.OPTION5 = function (actionORMethodDef) {
+        return this.optionInternal(actionORMethodDef, 5);
+    };
+    RecognizerApi.prototype.OPTION6 = function (actionORMethodDef) {
+        return this.optionInternal(actionORMethodDef, 6);
+    };
+    RecognizerApi.prototype.OPTION7 = function (actionORMethodDef) {
+        return this.optionInternal(actionORMethodDef, 7);
+    };
+    RecognizerApi.prototype.OPTION8 = function (actionORMethodDef) {
+        return this.optionInternal(actionORMethodDef, 8);
+    };
+    RecognizerApi.prototype.OPTION9 = function (actionORMethodDef) {
+        return this.optionInternal(actionORMethodDef, 9);
+    };
+    RecognizerApi.prototype.OR = function (altsOrOpts) {
+        return this.orInternal(altsOrOpts, 0);
+    };
+    RecognizerApi.prototype.OR1 = function (altsOrOpts) {
+        return this.orInternal(altsOrOpts, 1);
+    };
+    RecognizerApi.prototype.OR2 = function (altsOrOpts) {
+        return this.orInternal(altsOrOpts, 2);
+    };
+    RecognizerApi.prototype.OR3 = function (altsOrOpts) {
+        return this.orInternal(altsOrOpts, 3);
+    };
+    RecognizerApi.prototype.OR4 = function (altsOrOpts) {
+        return this.orInternal(altsOrOpts, 4);
+    };
+    RecognizerApi.prototype.OR5 = function (altsOrOpts) {
+        return this.orInternal(altsOrOpts, 5);
+    };
+    RecognizerApi.prototype.OR6 = function (altsOrOpts) {
+        return this.orInternal(altsOrOpts, 6);
+    };
+    RecognizerApi.prototype.OR7 = function (altsOrOpts) {
+        return this.orInternal(altsOrOpts, 7);
+    };
+    RecognizerApi.prototype.OR8 = function (altsOrOpts) {
+        return this.orInternal(altsOrOpts, 8);
+    };
+    RecognizerApi.prototype.OR9 = function (altsOrOpts) {
+        return this.orInternal(altsOrOpts, 9);
+    };
+    RecognizerApi.prototype.MANY = function (actionORMethodDef) {
+        this.manyInternal(0, actionORMethodDef);
+    };
+    RecognizerApi.prototype.MANY1 = function (actionORMethodDef) {
+        this.manyInternal(1, actionORMethodDef);
+    };
+    RecognizerApi.prototype.MANY2 = function (actionORMethodDef) {
+        this.manyInternal(2, actionORMethodDef);
+    };
+    RecognizerApi.prototype.MANY3 = function (actionORMethodDef) {
+        this.manyInternal(3, actionORMethodDef);
+    };
+    RecognizerApi.prototype.MANY4 = function (actionORMethodDef) {
+        this.manyInternal(4, actionORMethodDef);
+    };
+    RecognizerApi.prototype.MANY5 = function (actionORMethodDef) {
+        this.manyInternal(5, actionORMethodDef);
+    };
+    RecognizerApi.prototype.MANY6 = function (actionORMethodDef) {
+        this.manyInternal(6, actionORMethodDef);
+    };
+    RecognizerApi.prototype.MANY7 = function (actionORMethodDef) {
+        this.manyInternal(7, actionORMethodDef);
+    };
+    RecognizerApi.prototype.MANY8 = function (actionORMethodDef) {
+        this.manyInternal(8, actionORMethodDef);
+    };
+    RecognizerApi.prototype.MANY9 = function (actionORMethodDef) {
+        this.manyInternal(9, actionORMethodDef);
+    };
+    RecognizerApi.prototype.MANY_SEP = function (options) {
+        this.manySepFirstInternal(0, options);
+    };
+    RecognizerApi.prototype.MANY_SEP1 = function (options) {
+        this.manySepFirstInternal(1, options);
+    };
+    RecognizerApi.prototype.MANY_SEP2 = function (options) {
+        this.manySepFirstInternal(2, options);
+    };
+    RecognizerApi.prototype.MANY_SEP3 = function (options) {
+        this.manySepFirstInternal(3, options);
+    };
+    RecognizerApi.prototype.MANY_SEP4 = function (options) {
+        this.manySepFirstInternal(4, options);
+    };
+    RecognizerApi.prototype.MANY_SEP5 = function (options) {
+        this.manySepFirstInternal(5, options);
+    };
+    RecognizerApi.prototype.MANY_SEP6 = function (options) {
+        this.manySepFirstInternal(6, options);
+    };
+    RecognizerApi.prototype.MANY_SEP7 = function (options) {
+        this.manySepFirstInternal(7, options);
+    };
+    RecognizerApi.prototype.MANY_SEP8 = function (options) {
+        this.manySepFirstInternal(8, options);
+    };
+    RecognizerApi.prototype.MANY_SEP9 = function (options) {
+        this.manySepFirstInternal(9, options);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE = function (actionORMethodDef) {
+        this.atLeastOneInternal(0, actionORMethodDef);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE1 = function (actionORMethodDef) {
+        return this.atLeastOneInternal(1, actionORMethodDef);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE2 = function (actionORMethodDef) {
+        this.atLeastOneInternal(2, actionORMethodDef);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE3 = function (actionORMethodDef) {
+        this.atLeastOneInternal(3, actionORMethodDef);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE4 = function (actionORMethodDef) {
+        this.atLeastOneInternal(4, actionORMethodDef);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE5 = function (actionORMethodDef) {
+        this.atLeastOneInternal(5, actionORMethodDef);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE6 = function (actionORMethodDef) {
+        this.atLeastOneInternal(6, actionORMethodDef);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE7 = function (actionORMethodDef) {
+        this.atLeastOneInternal(7, actionORMethodDef);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE8 = function (actionORMethodDef) {
+        this.atLeastOneInternal(8, actionORMethodDef);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE9 = function (actionORMethodDef) {
+        this.atLeastOneInternal(9, actionORMethodDef);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE_SEP = function (options) {
+        this.atLeastOneSepFirstInternal(0, options);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE_SEP1 = function (options) {
+        this.atLeastOneSepFirstInternal(1, options);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE_SEP2 = function (options) {
+        this.atLeastOneSepFirstInternal(2, options);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE_SEP3 = function (options) {
+        this.atLeastOneSepFirstInternal(3, options);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE_SEP4 = function (options) {
+        this.atLeastOneSepFirstInternal(4, options);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE_SEP5 = function (options) {
+        this.atLeastOneSepFirstInternal(5, options);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE_SEP6 = function (options) {
+        this.atLeastOneSepFirstInternal(6, options);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE_SEP7 = function (options) {
+        this.atLeastOneSepFirstInternal(7, options);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE_SEP8 = function (options) {
+        this.atLeastOneSepFirstInternal(8, options);
+    };
+    RecognizerApi.prototype.AT_LEAST_ONE_SEP9 = function (options) {
+        this.atLeastOneSepFirstInternal(9, options);
+    };
+    RecognizerApi.prototype.RULE = function (name, implementation, config) {
+        if (config === void 0) { config = parser_1.DEFAULT_RULE_CONFIG; }
+        if (utils_1.contains(this.definedRulesNames, name)) {
+            var errMsg = errors_public_1.defaultGrammarValidatorErrorProvider.buildDuplicateRuleNameError({
+                topLevelRule: name,
+                grammarName: this.className
+            });
+            var error = {
+                message: errMsg,
+                type: parser_1.ParserDefinitionErrorType.DUPLICATE_RULE_NAME,
+                ruleName: name
+            };
+            this.definitionErrors.push(error);
+        }
+        this.definedRulesNames.push(name);
+        var ruleImplementation = this.defineRule(name, implementation, config);
+        this[name] = ruleImplementation;
+        return ruleImplementation;
+    };
+    RecognizerApi.prototype.OVERRIDE_RULE = function (name, impl, config) {
+        if (config === void 0) { config = parser_1.DEFAULT_RULE_CONFIG; }
+        var ruleErrors = [];
+        ruleErrors = ruleErrors.concat(checks_1.validateRuleIsOverridden(name, this.definedRulesNames, this.className));
+        this.definitionErrors.push.apply(this.definitionErrors, ruleErrors); // mutability for the win
+        var ruleImplementation = this.defineRule(name, impl, config);
+        this[name] = ruleImplementation;
+        return ruleImplementation;
+    };
+    RecognizerApi.prototype.BACKTRACK = function (grammarRule, args) {
+        return function () {
+            // save org state
+            this.isBackTrackingStack.push(1);
+            var orgState = this.saveRecogState();
+            try {
+                grammarRule.apply(this, args);
+                // if no exception was thrown we have succeed parsing the rule.
+                return true;
+            }
+            catch (e) {
+                if (exceptions_public_1.isRecognitionException(e)) {
+                    return false;
+                }
+                else {
+                    throw e;
+                }
+            }
+            finally {
+                this.reloadRecogState(orgState);
+                this.isBackTrackingStack.pop();
+            }
+        };
+    };
+    // GAST export APIs
+    RecognizerApi.prototype.getGAstProductions = function () {
+        return this.gastProductionsCache;
+    };
+    RecognizerApi.prototype.getSerializedGastProductions = function () {
+        return gast_public_1.serializeGrammar(utils_1.values(this.gastProductionsCache));
+    };
+    return RecognizerApi;
+}());
+exports.RecognizerApi = RecognizerApi;
+//# sourceMappingURL=recognizer_api.js.map

node_modules/chevrotain/lib/src/parse/parser/traits/recognizer_engine.js

@@ -0,0 +1,551 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.RecognizerEngine = void 0;
+var utils_1 = require("../../../utils/utils");
+var keys_1 = require("../../grammar/keys");
+var exceptions_public_1 = require("../../exceptions_public");
+var lookahead_1 = require("../../grammar/lookahead");
+var interpreter_1 = require("../../grammar/interpreter");
+var parser_1 = require("../parser");
+var recoverable_1 = require("./recoverable");
+var tokens_public_1 = require("../../../scan/tokens_public");
+var tokens_1 = require("../../../scan/tokens");
+var lang_extensions_1 = require("../../../lang/lang_extensions");
+/**
+ * This trait is responsible for the runtime parsing engine
+ * Used by the official API (recognizer_api.ts)
+ */
+var RecognizerEngine = /** @class */ (function () {
+    function RecognizerEngine() {
+    }
+    RecognizerEngine.prototype.initRecognizerEngine = function (tokenVocabulary, config) {
+        this.className = lang_extensions_1.classNameFromInstance(this);
+        // TODO: would using an ES6 Map or plain object be faster (CST building scenario)
+        this.shortRuleNameToFull = {};
+        this.fullRuleNameToShort = {};
+        this.ruleShortNameIdx = 256;
+        this.tokenMatcher = tokens_1.tokenStructuredMatcherNoCategories;
+        this.definedRulesNames = [];
+        this.tokensMap = {};
+        this.isBackTrackingStack = [];
+        this.RULE_STACK = [];
+        this.RULE_OCCURRENCE_STACK = [];
+        this.gastProductionsCache = {};
+        if (utils_1.has(config, "serializedGrammar")) {
+            throw Error("The Parser's configuration can no longer contain a <serializedGrammar> property.\n" +
+                "\tSee: https://sap.github.io/chevrotain/docs/changes/BREAKING_CHANGES.html#_6-0-0\n" +
+                "\tFor Further details.");
+        }
+        if (utils_1.isArray(tokenVocabulary)) {
+            // This only checks for Token vocabularies provided as arrays.
+            // That is good enough because the main objective is to detect users of pre-V4.0 APIs
+            // rather than all edge cases of empty Token vocabularies.
+            if (utils_1.isEmpty(tokenVocabulary)) {
+                throw Error("A Token Vocabulary cannot be empty.\n" +
+                    "\tNote that the first argument for the parser constructor\n" +
+                    "\tis no longer a Token vector (since v4.0).");
+            }
+            if (typeof tokenVocabulary[0].startOffset === "number") {
+                throw Error("The Parser constructor no longer accepts a token vector as the first argument.\n" +
+                    "\tSee: https://sap.github.io/chevrotain/docs/changes/BREAKING_CHANGES.html#_4-0-0\n" +
+                    "\tFor Further details.");
+            }
+        }
+        if (utils_1.isArray(tokenVocabulary)) {
+            this.tokensMap = utils_1.reduce(tokenVocabulary, function (acc, tokType) {
+                acc[tokType.name] = tokType;
+                return acc;
+            }, {});
+        }
+        else if (utils_1.has(tokenVocabulary, "modes") &&
+            utils_1.every(utils_1.flatten(utils_1.values(tokenVocabulary.modes)), tokens_1.isTokenType)) {
+            var allTokenTypes = utils_1.flatten(utils_1.values(tokenVocabulary.modes));
+            var uniqueTokens = utils_1.uniq(allTokenTypes);
+            this.tokensMap = utils_1.reduce(uniqueTokens, function (acc, tokType) {
+                acc[tokType.name] = tokType;
+                return acc;
+            }, {});
+        }
+        else if (utils_1.isObject(tokenVocabulary)) {
+            this.tokensMap = utils_1.cloneObj(tokenVocabulary);
+        }
+        else {
+            throw new Error("<tokensDictionary> argument must be An Array of Token constructors," +
+                " A dictionary of Token constructors or an IMultiModeLexerDefinition");
+        }
+        // always add EOF to the tokenNames -> constructors map. it is useful to assure all the input has been
+        // parsed with a clear error message ("expecting EOF but found ...")
+        /* tslint:disable */
+        this.tokensMap["EOF"] = tokens_public_1.EOF;
+        // TODO: This check may not be accurate for multi mode lexers
+        var noTokenCategoriesUsed = utils_1.every(utils_1.values(tokenVocabulary), function (tokenConstructor) { return utils_1.isEmpty(tokenConstructor.categoryMatches); });
+        this.tokenMatcher = noTokenCategoriesUsed
+            ? tokens_1.tokenStructuredMatcherNoCategories
+            : tokens_1.tokenStructuredMatcher;
+        // Because ES2015+ syntax should be supported for creating Token classes
+        // We cannot assume that the Token classes were created using the "extendToken" utilities
+        // Therefore we must augment the Token classes both on Lexer initialization and on Parser initialization
+        tokens_1.augmentTokenTypes(utils_1.values(this.tokensMap));
+    };
+    RecognizerEngine.prototype.defineRule = function (ruleName, impl, config) {
+        if (this.selfAnalysisDone) {
+            throw Error("Grammar rule <" + ruleName + "> may not be defined after the 'performSelfAnalysis' method has been called'\n" +
+                "Make sure that all grammar rule definitions are done before 'performSelfAnalysis' is called.");
+        }
+        var resyncEnabled = utils_1.has(config, "resyncEnabled")
+            ? config.resyncEnabled
+            : parser_1.DEFAULT_RULE_CONFIG.resyncEnabled;
+        var recoveryValueFunc = utils_1.has(config, "recoveryValueFunc")
+            ? config.recoveryValueFunc
+            : parser_1.DEFAULT_RULE_CONFIG.recoveryValueFunc;
+        // performance optimization: Use small integers as keys for the longer human readable "full" rule names.
+        // this greatly improves Map access time (as much as 8% for some performance benchmarks).
+        /* tslint:disable */
+        var shortName = this.ruleShortNameIdx << (keys_1.BITS_FOR_METHOD_TYPE + keys_1.BITS_FOR_OCCURRENCE_IDX);
+        /* tslint:enable */
+        this.ruleShortNameIdx++;
+        this.shortRuleNameToFull[shortName] = ruleName;
+        this.fullRuleNameToShort[ruleName] = shortName;
+        function invokeRuleWithTry(args) {
+            try {
+                if (this.outputCst === true) {
+                    impl.apply(this, args);
+                    var cst = this.CST_STACK[this.CST_STACK.length - 1];
+                    this.cstPostRule(cst);
+                    return cst;
+                }
+                else {
+                    return impl.apply(this, args);
+                }
+            }
+            catch (e) {
+                return this.invokeRuleCatch(e, resyncEnabled, recoveryValueFunc);
+            }
+            finally {
+                this.ruleFinallyStateUpdate();
+            }
+        }
+        var wrappedGrammarRule;
+        wrappedGrammarRule = function (idxInCallingRule, args) {
+            if (idxInCallingRule === void 0) { idxInCallingRule = 0; }
+            this.ruleInvocationStateUpdate(shortName, ruleName, idxInCallingRule);
+            return invokeRuleWithTry.call(this, args);
+        };
+        var ruleNamePropName = "ruleName";
+        wrappedGrammarRule[ruleNamePropName] = ruleName;
+        wrappedGrammarRule["originalGrammarAction"] = impl;
+        return wrappedGrammarRule;
+    };
+    RecognizerEngine.prototype.invokeRuleCatch = function (e, resyncEnabledConfig, recoveryValueFunc) {
+        var isFirstInvokedRule = this.RULE_STACK.length === 1;
+        // note the reSync is always enabled for the first rule invocation, because we must always be able to
+        // reSync with EOF and just output some INVALID ParseTree
+        // during backtracking reSync recovery is disabled, otherwise we can't be certain the backtracking
+        // path is really the most valid one
+        var reSyncEnabled = resyncEnabledConfig && !this.isBackTracking() && this.recoveryEnabled;
+        if (exceptions_public_1.isRecognitionException(e)) {
+            var recogError = e;
+            if (reSyncEnabled) {
+                var reSyncTokType = this.findReSyncTokenType();
+                if (this.isInCurrentRuleReSyncSet(reSyncTokType)) {
+                    recogError.resyncedTokens = this.reSyncTo(reSyncTokType);
+                    if (this.outputCst) {
+                        var partialCstResult = this.CST_STACK[this.CST_STACK.length - 1];
+                        partialCstResult.recoveredNode = true;
+                        return partialCstResult;
+                    }
+                    else {
+                        return recoveryValueFunc();
+                    }
+                }
+                else {
+                    if (this.outputCst) {
+                        var partialCstResult = this.CST_STACK[this.CST_STACK.length - 1];
+                        partialCstResult.recoveredNode = true;
+                        recogError.partialCstResult = partialCstResult;
+                    }
+                    // to be handled Further up the call stack
+                    throw recogError;
+                }
+            }
+            else if (isFirstInvokedRule) {
+                // otherwise a Redundant input error will be created as well and we cannot guarantee that this is indeed the case
+                this.moveToTerminatedState();
+                // the parser should never throw one of its own errors outside its flow.
+                // even if error recovery is disabled
+                return recoveryValueFunc();
+            }
+            else {
+                // to be recovered Further up the call stack
+                throw recogError;
+            }
+        }
+        else {
+            // some other Error type which we don't know how to handle (for example a built in JavaScript Error)
+            throw e;
+        }
+    };
+    // Implementation of parsing DSL
+    RecognizerEngine.prototype.optionInternal = function (actionORMethodDef, occurrence) {
+        var key = this.getKeyForAutomaticLookahead(keys_1.OPTION_IDX, occurrence);
+        return this.optionInternalLogic(actionORMethodDef, occurrence, key);
+    };
+    RecognizerEngine.prototype.optionInternalLogic = function (actionORMethodDef, occurrence, key) {
+        var _this = this;
+        var lookAheadFunc = this.getLaFuncFromCache(key);
+        var action;
+        var predicate;
+        if (actionORMethodDef.DEF !== undefined) {
+            action = actionORMethodDef.DEF;
+            predicate = actionORMethodDef.GATE;
+            // predicate present
+            if (predicate !== undefined) {
+                var orgLookaheadFunction_1 = lookAheadFunc;
+                lookAheadFunc = function () {
+                    return predicate.call(_this) && orgLookaheadFunction_1.call(_this);
+                };
+            }
+        }
+        else {
+            action = actionORMethodDef;
+        }
+        if (lookAheadFunc.call(this) === true) {
+            return action.call(this);
+        }
+        return undefined;
+    };
+    RecognizerEngine.prototype.atLeastOneInternal = function (prodOccurrence, actionORMethodDef) {
+        var laKey = this.getKeyForAutomaticLookahead(keys_1.AT_LEAST_ONE_IDX, prodOccurrence);
+        return this.atLeastOneInternalLogic(prodOccurrence, actionORMethodDef, laKey);
+    };
+    RecognizerEngine.prototype.atLeastOneInternalLogic = function (prodOccurrence, actionORMethodDef, key) {
+        var _this = this;
+        var lookAheadFunc = this.getLaFuncFromCache(key);
+        var action;
+        var predicate;
+        if (actionORMethodDef.DEF !== undefined) {
+            action = actionORMethodDef.DEF;
+            predicate = actionORMethodDef.GATE;
+            // predicate present
+            if (predicate !== undefined) {
+                var orgLookaheadFunction_2 = lookAheadFunc;
+                lookAheadFunc = function () {
+                    return predicate.call(_this) && orgLookaheadFunction_2.call(_this);
+                };
+            }
+        }
+        else {
+            action = actionORMethodDef;
+        }
+        if (lookAheadFunc.call(this) === true) {
+            var notStuck = this.doSingleRepetition(action);
+            while (lookAheadFunc.call(this) === true &&
+                notStuck === true) {
+                notStuck = this.doSingleRepetition(action);
+            }
+        }
+        else {
+            throw this.raiseEarlyExitException(prodOccurrence, lookahead_1.PROD_TYPE.REPETITION_MANDATORY, actionORMethodDef.ERR_MSG);
+        }
+        // note that while it may seem that this can cause an error because by using a recursive call to
+        // AT_LEAST_ONE we change the grammar to AT_LEAST_TWO, AT_LEAST_THREE ... , the possible recursive call
+        // from the tryInRepetitionRecovery(...) will only happen IFF there really are TWO/THREE/.... items.
+        // Performance optimization: "attemptInRepetitionRecovery" will be defined as NOOP unless recovery is enabled
+        this.attemptInRepetitionRecovery(this.atLeastOneInternal, [prodOccurrence, actionORMethodDef], lookAheadFunc, keys_1.AT_LEAST_ONE_IDX, prodOccurrence, interpreter_1.NextTerminalAfterAtLeastOneWalker);
+    };
+    RecognizerEngine.prototype.atLeastOneSepFirstInternal = function (prodOccurrence, options) {
+        var laKey = this.getKeyForAutomaticLookahead(keys_1.AT_LEAST_ONE_SEP_IDX, prodOccurrence);
+        this.atLeastOneSepFirstInternalLogic(prodOccurrence, options, laKey);
+    };
+    RecognizerEngine.prototype.atLeastOneSepFirstInternalLogic = function (prodOccurrence, options, key) {
+        var _this = this;
+        var action = options.DEF;
+        var separator = options.SEP;
+        var firstIterationLookaheadFunc = this.getLaFuncFromCache(key);
+        // 1st iteration
+        if (firstIterationLookaheadFunc.call(this) === true) {
+            ;
+            action.call(this);
+            //  TODO: Optimization can move this function construction into "attemptInRepetitionRecovery"
+            //  because it is only needed in error recovery scenarios.
+            var separatorLookAheadFunc = function () {
+                return _this.tokenMatcher(_this.LA(1), separator);
+            };
+            // 2nd..nth iterations
+            while (this.tokenMatcher(this.LA(1), separator) === true) {
+                // note that this CONSUME will never enter recovery because
+                // the separatorLookAheadFunc checks that the separator really does exist.
+                this.CONSUME(separator);
+                action.call(this);
+            }
+            // Performance optimization: "attemptInRepetitionRecovery" will be defined as NOOP unless recovery is enabled
+            this.attemptInRepetitionRecovery(this.repetitionSepSecondInternal, [
+                prodOccurrence,
+                separator,
+                separatorLookAheadFunc,
+                action,
+                interpreter_1.NextTerminalAfterAtLeastOneSepWalker
+            ], separatorLookAheadFunc, keys_1.AT_LEAST_ONE_SEP_IDX, prodOccurrence, interpreter_1.NextTerminalAfterAtLeastOneSepWalker);
+        }
+        else {
+            throw this.raiseEarlyExitException(prodOccurrence, lookahead_1.PROD_TYPE.REPETITION_MANDATORY_WITH_SEPARATOR, options.ERR_MSG);
+        }
+    };
+    RecognizerEngine.prototype.manyInternal = function (prodOccurrence, actionORMethodDef) {
+        var laKey = this.getKeyForAutomaticLookahead(keys_1.MANY_IDX, prodOccurrence);
+        return this.manyInternalLogic(prodOccurrence, actionORMethodDef, laKey);
+    };
+    RecognizerEngine.prototype.manyInternalLogic = function (prodOccurrence, actionORMethodDef, key) {
+        var _this = this;
+        var lookaheadFunction = this.getLaFuncFromCache(key);
+        var action;
+        var predicate;
+        if (actionORMethodDef.DEF !== undefined) {
+            action = actionORMethodDef.DEF;
+            predicate = actionORMethodDef.GATE;
+            // predicate present
+            if (predicate !== undefined) {
+                var orgLookaheadFunction_3 = lookaheadFunction;
+                lookaheadFunction = function () {
+                    return predicate.call(_this) && orgLookaheadFunction_3.call(_this);
+                };
+            }
+        }
+        else {
+            action = actionORMethodDef;
+        }
+        var notStuck = true;
+        while (lookaheadFunction.call(this) === true && notStuck === true) {
+            notStuck = this.doSingleRepetition(action);
+        }
+        // Performance optimization: "attemptInRepetitionRecovery" will be defined as NOOP unless recovery is enabled
+        this.attemptInRepetitionRecovery(this.manyInternal, [prodOccurrence, actionORMethodDef], lookaheadFunction, keys_1.MANY_IDX, prodOccurrence, interpreter_1.NextTerminalAfterManyWalker, 
+        // The notStuck parameter is only relevant when "attemptInRepetitionRecovery"
+        // is invoked from manyInternal, in the MANY_SEP case and AT_LEAST_ONE[_SEP]
+        // An infinite loop cannot occur as:
+        // - Either the lookahead is guaranteed to consume something (Single Token Separator)
+        // - AT_LEAST_ONE by definition is guaranteed to consume something (or error out).
+        notStuck);
+    };
+    RecognizerEngine.prototype.manySepFirstInternal = function (prodOccurrence, options) {
+        var laKey = this.getKeyForAutomaticLookahead(keys_1.MANY_SEP_IDX, prodOccurrence);
+        this.manySepFirstInternalLogic(prodOccurrence, options, laKey);
+    };
+    RecognizerEngine.prototype.manySepFirstInternalLogic = function (prodOccurrence, options, key) {
+        var _this = this;
+        var action = options.DEF;
+        var separator = options.SEP;
+        var firstIterationLaFunc = this.getLaFuncFromCache(key);
+        // 1st iteration
+        if (firstIterationLaFunc.call(this) === true) {
+            action.call(this);
+            var separatorLookAheadFunc = function () {
+                return _this.tokenMatcher(_this.LA(1), separator);
+            };
+            // 2nd..nth iterations
+            while (this.tokenMatcher(this.LA(1), separator) === true) {
+                // note that this CONSUME will never enter recovery because
+                // the separatorLookAheadFunc checks that the separator really does exist.
+                this.CONSUME(separator);
+                // No need for checking infinite loop here due to consuming the separator.
+                action.call(this);
+            }
+            // Performance optimization: "attemptInRepetitionRecovery" will be defined as NOOP unless recovery is enabled
+            this.attemptInRepetitionRecovery(this.repetitionSepSecondInternal, [
+                prodOccurrence,
+                separator,
+                separatorLookAheadFunc,
+                action,
+                interpreter_1.NextTerminalAfterManySepWalker
+            ], separatorLookAheadFunc, keys_1.MANY_SEP_IDX, prodOccurrence, interpreter_1.NextTerminalAfterManySepWalker);
+        }
+    };
+    RecognizerEngine.prototype.repetitionSepSecondInternal = function (prodOccurrence, separator, separatorLookAheadFunc, action, nextTerminalAfterWalker) {
+        while (separatorLookAheadFunc()) {
+            // note that this CONSUME will never enter recovery because
+            // the separatorLookAheadFunc checks that the separator really does exist.
+            this.CONSUME(separator);
+            action.call(this);
+        }
+        // we can only arrive to this function after an error
+        // has occurred (hence the name 'second') so the following
+        // IF will always be entered, its possible to remove it...
+        // however it is kept to avoid confusion and be consistent.
+        // Performance optimization: "attemptInRepetitionRecovery" will be defined as NOOP unless recovery is enabled
+        /* istanbul ignore else */
+        this.attemptInRepetitionRecovery(this.repetitionSepSecondInternal, [
+            prodOccurrence,
+            separator,
+            separatorLookAheadFunc,
+            action,
+            nextTerminalAfterWalker
+        ], separatorLookAheadFunc, keys_1.AT_LEAST_ONE_SEP_IDX, prodOccurrence, nextTerminalAfterWalker);
+    };
+    RecognizerEngine.prototype.doSingleRepetition = function (action) {
+        var beforeIteration = this.getLexerPosition();
+        action.call(this);
+        var afterIteration = this.getLexerPosition();
+        // This boolean will indicate if this repetition progressed
+        // or if we are "stuck" (potential infinite loop in the repetition).
+        return afterIteration > beforeIteration;
+    };
+    RecognizerEngine.prototype.orInternal = function (altsOrOpts, occurrence) {
+        var laKey = this.getKeyForAutomaticLookahead(keys_1.OR_IDX, occurrence);
+        var alts = utils_1.isArray(altsOrOpts)
+            ? altsOrOpts
+            : altsOrOpts.DEF;
+        var laFunc = this.getLaFuncFromCache(laKey);
+        var altIdxToTake = laFunc.call(this, alts);
+        if (altIdxToTake !== undefined) {
+            var chosenAlternative = alts[altIdxToTake];
+            return chosenAlternative.ALT.call(this);
+        }
+        this.raiseNoAltException(occurrence, altsOrOpts.ERR_MSG);
+    };
+    RecognizerEngine.prototype.ruleFinallyStateUpdate = function () {
+        this.RULE_STACK.pop();
+        this.RULE_OCCURRENCE_STACK.pop();
+        // NOOP when cst is disabled
+        this.cstFinallyStateUpdate();
+        if (this.RULE_STACK.length === 0 && this.isAtEndOfInput() === false) {
+            var firstRedundantTok = this.LA(1);
+            var errMsg = this.errorMessageProvider.buildNotAllInputParsedMessage({
+                firstRedundant: firstRedundantTok,
+                ruleName: this.getCurrRuleFullName()
+            });
+            this.SAVE_ERROR(new exceptions_public_1.NotAllInputParsedException(errMsg, firstRedundantTok));
+        }
+    };
+    RecognizerEngine.prototype.subruleInternal = function (ruleToCall, idx, options) {
+        var ruleResult;
+        try {
+            var args = options !== undefined ? options.ARGS : undefined;
+            ruleResult = ruleToCall.call(this, idx, args);
+            this.cstPostNonTerminal(ruleResult, options !== undefined && options.LABEL !== undefined
+                ? options.LABEL
+                : ruleToCall.ruleName);
+            return ruleResult;
+        }
+        catch (e) {
+            this.subruleInternalError(e, options, ruleToCall.ruleName);
+        }
+    };
+    RecognizerEngine.prototype.subruleInternalError = function (e, options, ruleName) {
+        if (exceptions_public_1.isRecognitionException(e) && e.partialCstResult !== undefined) {
+            this.cstPostNonTerminal(e.partialCstResult, options !== undefined && options.LABEL !== undefined
+                ? options.LABEL
+                : ruleName);
+            delete e.partialCstResult;
+        }
+        throw e;
+    };
+    RecognizerEngine.prototype.consumeInternal = function (tokType, idx, options) {
+        var consumedToken;
+        try {
+            var nextToken = this.LA(1);
+            if (this.tokenMatcher(nextToken, tokType) === true) {
+                this.consumeToken();
+                consumedToken = nextToken;
+            }
+            else {
+                this.consumeInternalError(tokType, nextToken, options);
+            }
+        }
+        catch (eFromConsumption) {
+            consumedToken = this.consumeInternalRecovery(tokType, idx, eFromConsumption);
+        }
+        this.cstPostTerminal(options !== undefined && options.LABEL !== undefined
+            ? options.LABEL
+            : tokType.name, consumedToken);
+        return consumedToken;
+    };
+    RecognizerEngine.prototype.consumeInternalError = function (tokType, nextToken, options) {
+        var msg;
+        var previousToken = this.LA(0);
+        if (options !== undefined && options.ERR_MSG) {
+            msg = options.ERR_MSG;
+        }
+        else {
+            msg = this.errorMessageProvider.buildMismatchTokenMessage({
+                expected: tokType,
+                actual: nextToken,
+                previous: previousToken,
+                ruleName: this.getCurrRuleFullName()
+            });
+        }
+        throw this.SAVE_ERROR(new exceptions_public_1.MismatchedTokenException(msg, nextToken, previousToken));
+    };
+    RecognizerEngine.prototype.consumeInternalRecovery = function (tokType, idx, eFromConsumption) {
+        // no recovery allowed during backtracking, otherwise backtracking may recover invalid syntax and accept it
+        // but the original syntax could have been parsed successfully without any backtracking + recovery
+        if (this.recoveryEnabled &&
+            // TODO: more robust checking of the exception type. Perhaps Typescript extending expressions?
+            eFromConsumption.name === "MismatchedTokenException" &&
+            !this.isBackTracking()) {
+            var follows = this.getFollowsForInRuleRecovery(tokType, idx);
+            try {
+                return this.tryInRuleRecovery(tokType, follows);
+            }
+            catch (eFromInRuleRecovery) {
+                if (eFromInRuleRecovery.name === recoverable_1.IN_RULE_RECOVERY_EXCEPTION) {
+                    // failed in RuleRecovery.
+                    // throw the original error in order to trigger reSync error recovery
+                    throw eFromConsumption;
+                }
+                else {
+                    throw eFromInRuleRecovery;
+                }
+            }
+        }
+        else {
+            throw eFromConsumption;
+        }
+    };
+    RecognizerEngine.prototype.saveRecogState = function () {
+        // errors is a getter which will clone the errors array
+        var savedErrors = this.errors;
+        var savedRuleStack = utils_1.cloneArr(this.RULE_STACK);
+        return {
+            errors: savedErrors,
+            lexerState: this.exportLexerState(),
+            RULE_STACK: savedRuleStack,
+            CST_STACK: this.CST_STACK
+        };
+    };
+    RecognizerEngine.prototype.reloadRecogState = function (newState) {
+        this.errors = newState.errors;
+        this.importLexerState(newState.lexerState);
+        this.RULE_STACK = newState.RULE_STACK;
+    };
+    RecognizerEngine.prototype.ruleInvocationStateUpdate = function (shortName, fullName, idxInCallingRule) {
+        this.RULE_OCCURRENCE_STACK.push(idxInCallingRule);
+        this.RULE_STACK.push(shortName);
+        // NOOP when cst is disabled
+        this.cstInvocationStateUpdate(fullName, shortName);
+    };
+    RecognizerEngine.prototype.isBackTracking = function () {
+        return this.isBackTrackingStack.length !== 0;
+    };
+    RecognizerEngine.prototype.getCurrRuleFullName = function () {
+        var shortName = this.getLastExplicitRuleShortName();
+        return this.shortRuleNameToFull[shortName];
+    };
+    RecognizerEngine.prototype.shortRuleNameToFullName = function (shortName) {
+        return this.shortRuleNameToFull[shortName];
+    };
+    RecognizerEngine.prototype.isAtEndOfInput = function () {
+        return this.tokenMatcher(this.LA(1), tokens_public_1.EOF);
+    };
+    RecognizerEngine.prototype.reset = function () {
+        this.resetLexerState();
+        this.isBackTrackingStack = [];
+        this.errors = [];
+        this.RULE_STACK = [];
+        // TODO: extract a specific reset for TreeBuilder trait
+        this.CST_STACK = [];
+        this.RULE_OCCURRENCE_STACK = [];
+    };
+    return RecognizerEngine;
+}());
+exports.RecognizerEngine = RecognizerEngine;
+//# sourceMappingURL=recognizer_engine.js.map

node_modules/chevrotain/lib/src/parse/parser/traits/recoverable.js

@@ -0,0 +1,295 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.attemptInRepetitionRecovery = exports.Recoverable = exports.InRuleRecoveryException = exports.IN_RULE_RECOVERY_EXCEPTION = exports.EOF_FOLLOW_KEY = void 0;
+var tokens_public_1 = require("../../../scan/tokens_public");
+var utils_1 = require("../../../utils/utils");
+var exceptions_public_1 = require("../../exceptions_public");
+var constants_1 = require("../../constants");
+var parser_1 = require("../parser");
+exports.EOF_FOLLOW_KEY = {};
+exports.IN_RULE_RECOVERY_EXCEPTION = "InRuleRecoveryException";
+function InRuleRecoveryException(message) {
+    this.name = exports.IN_RULE_RECOVERY_EXCEPTION;
+    this.message = message;
+}
+exports.InRuleRecoveryException = InRuleRecoveryException;
+InRuleRecoveryException.prototype = Error.prototype;
+/**
+ * This trait is responsible for the error recovery and fault tolerant logic
+ */
+var Recoverable = /** @class */ (function () {
+    function Recoverable() {
+    }
+    Recoverable.prototype.initRecoverable = function (config) {
+        this.firstAfterRepMap = {};
+        this.resyncFollows = {};
+        this.recoveryEnabled = utils_1.has(config, "recoveryEnabled")
+            ? config.recoveryEnabled
+            : parser_1.DEFAULT_PARSER_CONFIG.recoveryEnabled;
+        // performance optimization, NOOP will be inlined which
+        // effectively means that this optional feature does not exist
+        // when not used.
+        if (this.recoveryEnabled) {
+            this.attemptInRepetitionRecovery = attemptInRepetitionRecovery;
+        }
+    };
+    Recoverable.prototype.getTokenToInsert = function (tokType) {
+        var tokToInsert = tokens_public_1.createTokenInstance(tokType, "", NaN, NaN, NaN, NaN, NaN, NaN);
+        tokToInsert.isInsertedInRecovery = true;
+        return tokToInsert;
+    };
+    Recoverable.prototype.canTokenTypeBeInsertedInRecovery = function (tokType) {
+        return true;
+    };
+    Recoverable.prototype.tryInRepetitionRecovery = function (grammarRule, grammarRuleArgs, lookAheadFunc, expectedTokType) {
+        var _this = this;
+        // TODO: can the resyncTokenType be cached?
+        var reSyncTokType = this.findReSyncTokenType();
+        var savedLexerState = this.exportLexerState();
+        var resyncedTokens = [];
+        var passedResyncPoint = false;
+        var nextTokenWithoutResync = this.LA(1);
+        var currToken = this.LA(1);
+        var generateErrorMessage = function () {
+            var previousToken = _this.LA(0);
+            // we are preemptively re-syncing before an error has been detected, therefor we must reproduce
+            // the error that would have been thrown
+            var msg = _this.errorMessageProvider.buildMismatchTokenMessage({
+                expected: expectedTokType,
+                actual: nextTokenWithoutResync,
+                previous: previousToken,
+                ruleName: _this.getCurrRuleFullName()
+            });
+            var error = new exceptions_public_1.MismatchedTokenException(msg, nextTokenWithoutResync, _this.LA(0));
+            // the first token here will be the original cause of the error, this is not part of the resyncedTokens property.
+            error.resyncedTokens = utils_1.dropRight(resyncedTokens);
+            _this.SAVE_ERROR(error);
+        };
+        while (!passedResyncPoint) {
+            // re-synced to a point where we can safely exit the repetition/
+            if (this.tokenMatcher(currToken, expectedTokType)) {
+                generateErrorMessage();
+                return; // must return here to avoid reverting the inputIdx
+            }
+            else if (lookAheadFunc.call(this)) {
+                // we skipped enough tokens so we can resync right back into another iteration of the repetition grammar rule
+                generateErrorMessage();
+                // recursive invocation in other to support multiple re-syncs in the same top level repetition grammar rule
+                grammarRule.apply(this, grammarRuleArgs);
+                return; // must return here to avoid reverting the inputIdx
+            }
+            else if (this.tokenMatcher(currToken, reSyncTokType)) {
+                passedResyncPoint = true;
+            }
+            else {
+                currToken = this.SKIP_TOKEN();
+                this.addToResyncTokens(currToken, resyncedTokens);
+            }
+        }
+        // we were unable to find a CLOSER point to resync inside the Repetition, reset the state.
+        // The parsing exception we were trying to prevent will happen in the NEXT parsing step. it may be handled by
+        // "between rules" resync recovery later in the flow.
+        this.importLexerState(savedLexerState);
+    };
+    Recoverable.prototype.shouldInRepetitionRecoveryBeTried = function (expectTokAfterLastMatch, nextTokIdx, notStuck) {
+        // Edge case of arriving from a MANY repetition which is stuck
+        // Attempting recovery in this case could cause an infinite loop
+        if (notStuck === false) {
+            return false;
+        }
+        // arguments to try and perform resync into the next iteration of the many are missing
+        if (expectTokAfterLastMatch === undefined || nextTokIdx === undefined) {
+            return false;
+        }
+        // no need to recover, next token is what we expect...
+        if (this.tokenMatcher(this.LA(1), expectTokAfterLastMatch)) {
+            return false;
+        }
+        // error recovery is disabled during backtracking as it can make the parser ignore a valid grammar path
+        // and prefer some backtracking path that includes recovered errors.
+        if (this.isBackTracking()) {
+            return false;
+        }
+        // if we can perform inRule recovery (single token insertion or deletion) we always prefer that recovery algorithm
+        // because if it works, it makes the least amount of changes to the input stream (greedy algorithm)
+        //noinspection RedundantIfStatementJS
+        if (this.canPerformInRuleRecovery(expectTokAfterLastMatch, this.getFollowsForInRuleRecovery(expectTokAfterLastMatch, nextTokIdx))) {
+            return false;
+        }
+        return true;
+    };
+    // Error Recovery functionality
+    Recoverable.prototype.getFollowsForInRuleRecovery = function (tokType, tokIdxInRule) {
+        var grammarPath = this.getCurrentGrammarPath(tokType, tokIdxInRule);
+        var follows = this.getNextPossibleTokenTypes(grammarPath);
+        return follows;
+    };
+    Recoverable.prototype.tryInRuleRecovery = function (expectedTokType, follows) {
+        if (this.canRecoverWithSingleTokenInsertion(expectedTokType, follows)) {
+            var tokToInsert = this.getTokenToInsert(expectedTokType);
+            return tokToInsert;
+        }
+        if (this.canRecoverWithSingleTokenDeletion(expectedTokType)) {
+            var nextTok = this.SKIP_TOKEN();
+            this.consumeToken();
+            return nextTok;
+        }
+        throw new InRuleRecoveryException("sad sad panda");
+    };
+    Recoverable.prototype.canPerformInRuleRecovery = function (expectedToken, follows) {
+        return (this.canRecoverWithSingleTokenInsertion(expectedToken, follows) ||
+            this.canRecoverWithSingleTokenDeletion(expectedToken));
+    };
+    Recoverable.prototype.canRecoverWithSingleTokenInsertion = function (expectedTokType, follows) {
+        var _this = this;
+        if (!this.canTokenTypeBeInsertedInRecovery(expectedTokType)) {
+            return false;
+        }
+        // must know the possible following tokens to perform single token insertion
+        if (utils_1.isEmpty(follows)) {
+            return false;
+        }
+        var mismatchedTok = this.LA(1);
+        var isMisMatchedTokInFollows = utils_1.find(follows, function (possibleFollowsTokType) {
+            return _this.tokenMatcher(mismatchedTok, possibleFollowsTokType);
+        }) !== undefined;
+        return isMisMatchedTokInFollows;
+    };
+    Recoverable.prototype.canRecoverWithSingleTokenDeletion = function (expectedTokType) {
+        var isNextTokenWhatIsExpected = this.tokenMatcher(this.LA(2), expectedTokType);
+        return isNextTokenWhatIsExpected;
+    };
+    Recoverable.prototype.isInCurrentRuleReSyncSet = function (tokenTypeIdx) {
+        var followKey = this.getCurrFollowKey();
+        var currentRuleReSyncSet = this.getFollowSetFromFollowKey(followKey);
+        return utils_1.contains(currentRuleReSyncSet, tokenTypeIdx);
+    };
+    Recoverable.prototype.findReSyncTokenType = function () {
+        var allPossibleReSyncTokTypes = this.flattenFollowSet();
+        // this loop will always terminate as EOF is always in the follow stack and also always (virtually) in the input
+        var nextToken = this.LA(1);
+        var k = 2;
+        while (true) {
+            var nextTokenType = nextToken.tokenType;
+            if (utils_1.contains(allPossibleReSyncTokTypes, nextTokenType)) {
+                return nextTokenType;
+            }
+            nextToken = this.LA(k);
+            k++;
+        }
+    };
+    Recoverable.prototype.getCurrFollowKey = function () {
+        // the length is at least one as we always add the ruleName to the stack before invoking the rule.
+        if (this.RULE_STACK.length === 1) {
+            return exports.EOF_FOLLOW_KEY;
+        }
+        var currRuleShortName = this.getLastExplicitRuleShortName();
+        var currRuleIdx = this.getLastExplicitRuleOccurrenceIndex();
+        var prevRuleShortName = this.getPreviousExplicitRuleShortName();
+        return {
+            ruleName: this.shortRuleNameToFullName(currRuleShortName),
+            idxInCallingRule: currRuleIdx,
+            inRule: this.shortRuleNameToFullName(prevRuleShortName)
+        };
+    };
+    Recoverable.prototype.buildFullFollowKeyStack = function () {
+        var _this = this;
+        var explicitRuleStack = this.RULE_STACK;
+        var explicitOccurrenceStack = this.RULE_OCCURRENCE_STACK;
+        return utils_1.map(explicitRuleStack, function (ruleName, idx) {
+            if (idx === 0) {
+                return exports.EOF_FOLLOW_KEY;
+            }
+            return {
+                ruleName: _this.shortRuleNameToFullName(ruleName),
+                idxInCallingRule: explicitOccurrenceStack[idx],
+                inRule: _this.shortRuleNameToFullName(explicitRuleStack[idx - 1])
+            };
+        });
+    };
+    Recoverable.prototype.flattenFollowSet = function () {
+        var _this = this;
+        var followStack = utils_1.map(this.buildFullFollowKeyStack(), function (currKey) {
+            return _this.getFollowSetFromFollowKey(currKey);
+        });
+        return utils_1.flatten(followStack);
+    };
+    Recoverable.prototype.getFollowSetFromFollowKey = function (followKey) {
+        if (followKey === exports.EOF_FOLLOW_KEY) {
+            return [tokens_public_1.EOF];
+        }
+        var followName = followKey.ruleName + followKey.idxInCallingRule + constants_1.IN + followKey.inRule;
+        return this.resyncFollows[followName];
+    };
+    // It does not make any sense to include a virtual EOF token in the list of resynced tokens
+    // as EOF does not really exist and thus does not contain any useful information (line/column numbers)
+    Recoverable.prototype.addToResyncTokens = function (token, resyncTokens) {
+        if (!this.tokenMatcher(token, tokens_public_1.EOF)) {
+            resyncTokens.push(token);
+        }
+        return resyncTokens;
+    };
+    Recoverable.prototype.reSyncTo = function (tokType) {
+        var resyncedTokens = [];
+        var nextTok = this.LA(1);
+        while (this.tokenMatcher(nextTok, tokType) === false) {
+            nextTok = this.SKIP_TOKEN();
+            this.addToResyncTokens(nextTok, resyncedTokens);
+        }
+        // the last token is not part of the error.
+        return utils_1.dropRight(resyncedTokens);
+    };
+    Recoverable.prototype.attemptInRepetitionRecovery = function (prodFunc, args, lookaheadFunc, dslMethodIdx, prodOccurrence, nextToksWalker, notStuck) {
+        // by default this is a NO-OP
+        // The actual implementation is with the function(not method) below
+    };
+    Recoverable.prototype.getCurrentGrammarPath = function (tokType, tokIdxInRule) {
+        var pathRuleStack = this.getHumanReadableRuleStack();
+        var pathOccurrenceStack = utils_1.cloneArr(this.RULE_OCCURRENCE_STACK);
+        var grammarPath = {
+            ruleStack: pathRuleStack,
+            occurrenceStack: pathOccurrenceStack,
+            lastTok: tokType,
+            lastTokOccurrence: tokIdxInRule
+        };
+        return grammarPath;
+    };
+    Recoverable.prototype.getHumanReadableRuleStack = function () {
+        var _this = this;
+        return utils_1.map(this.RULE_STACK, function (currShortName) {
+            return _this.shortRuleNameToFullName(currShortName);
+        });
+    };
+    return Recoverable;
+}());
+exports.Recoverable = Recoverable;
+function attemptInRepetitionRecovery(prodFunc, args, lookaheadFunc, dslMethodIdx, prodOccurrence, nextToksWalker, notStuck) {
+    var key = this.getKeyForAutomaticLookahead(dslMethodIdx, prodOccurrence);
+    var firstAfterRepInfo = this.firstAfterRepMap[key];
+    if (firstAfterRepInfo === undefined) {
+        var currRuleName = this.getCurrRuleFullName();
+        var ruleGrammar = this.getGAstProductions()[currRuleName];
+        var walker = new nextToksWalker(ruleGrammar, prodOccurrence);
+        firstAfterRepInfo = walker.startWalking();
+        this.firstAfterRepMap[key] = firstAfterRepInfo;
+    }
+    var expectTokAfterLastMatch = firstAfterRepInfo.token;
+    var nextTokIdx = firstAfterRepInfo.occurrence;
+    var isEndOfRule = firstAfterRepInfo.isEndOfRule;
+    // special edge case of a TOP most repetition after which the input should END.
+    // this will force an attempt for inRule recovery in that scenario.
+    if (this.RULE_STACK.length === 1 &&
+        isEndOfRule &&
+        expectTokAfterLastMatch === undefined) {
+        expectTokAfterLastMatch = tokens_public_1.EOF;
+        nextTokIdx = 1;
+    }
+    if (this.shouldInRepetitionRecoveryBeTried(expectTokAfterLastMatch, nextTokIdx, notStuck)) {
+        // TODO: performance optimization: instead of passing the original args here, we modify
+        // the args param (or create a new one) and make sure the lookahead func is explicitly provided
+        // to avoid searching the cache for it once more.
+        this.tryInRepetitionRecovery(prodFunc, args, lookaheadFunc, expectTokAfterLastMatch);
+    }
+}
+exports.attemptInRepetitionRecovery = attemptInRepetitionRecovery;
+//# sourceMappingURL=recoverable.js.map

node_modules/chevrotain/lib/src/parse/parser/traits/tree_builder.js

@@ -0,0 +1,194 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.TreeBuilder = void 0;
+var cst_1 = require("../../cst/cst");
+var utils_1 = require("../../../utils/utils");
+var cst_visitor_1 = require("../../cst/cst_visitor");
+var parser_1 = require("../parser");
+/**
+ * This trait is responsible for the CST building logic.
+ */
+var TreeBuilder = /** @class */ (function () {
+    function TreeBuilder() {
+    }
+    TreeBuilder.prototype.initTreeBuilder = function (config) {
+        this.CST_STACK = [];
+        // outputCst is no longer exposed/defined in the pubic API
+        this.outputCst = config.outputCst;
+        this.nodeLocationTracking = utils_1.has(config, "nodeLocationTracking")
+            ? config.nodeLocationTracking
+            : parser_1.DEFAULT_PARSER_CONFIG.nodeLocationTracking;
+        if (!this.outputCst) {
+            this.cstInvocationStateUpdate = utils_1.NOOP;
+            this.cstFinallyStateUpdate = utils_1.NOOP;
+            this.cstPostTerminal = utils_1.NOOP;
+            this.cstPostNonTerminal = utils_1.NOOP;
+            this.cstPostRule = utils_1.NOOP;
+        }
+        else {
+            if (/full/i.test(this.nodeLocationTracking)) {
+                if (this.recoveryEnabled) {
+                    this.setNodeLocationFromToken = cst_1.setNodeLocationFull;
+                    this.setNodeLocationFromNode = cst_1.setNodeLocationFull;
+                    this.cstPostRule = utils_1.NOOP;
+                    this.setInitialNodeLocation = this.setInitialNodeLocationFullRecovery;
+                }
+                else {
+                    this.setNodeLocationFromToken = utils_1.NOOP;
+                    this.setNodeLocationFromNode = utils_1.NOOP;
+                    this.cstPostRule = this.cstPostRuleFull;
+                    this.setInitialNodeLocation = this.setInitialNodeLocationFullRegular;
+                }
+            }
+            else if (/onlyOffset/i.test(this.nodeLocationTracking)) {
+                if (this.recoveryEnabled) {
+                    this.setNodeLocationFromToken = cst_1.setNodeLocationOnlyOffset;
+                    this.setNodeLocationFromNode = cst_1.setNodeLocationOnlyOffset;
+                    this.cstPostRule = utils_1.NOOP;
+                    this.setInitialNodeLocation = this.setInitialNodeLocationOnlyOffsetRecovery;
+                }
+                else {
+                    this.setNodeLocationFromToken = utils_1.NOOP;
+                    this.setNodeLocationFromNode = utils_1.NOOP;
+                    this.cstPostRule = this.cstPostRuleOnlyOffset;
+                    this.setInitialNodeLocation = this.setInitialNodeLocationOnlyOffsetRegular;
+                }
+            }
+            else if (/none/i.test(this.nodeLocationTracking)) {
+                this.setNodeLocationFromToken = utils_1.NOOP;
+                this.setNodeLocationFromNode = utils_1.NOOP;
+                this.cstPostRule = utils_1.NOOP;
+                this.setInitialNodeLocation = utils_1.NOOP;
+            }
+            else {
+                throw Error("Invalid <nodeLocationTracking> config option: \"" + config.nodeLocationTracking + "\"");
+            }
+        }
+    };
+    TreeBuilder.prototype.setInitialNodeLocationOnlyOffsetRecovery = function (cstNode) {
+        cstNode.location = {
+            startOffset: NaN,
+            endOffset: NaN
+        };
+    };
+    TreeBuilder.prototype.setInitialNodeLocationOnlyOffsetRegular = function (cstNode) {
+        cstNode.location = {
+            // without error recovery the starting Location of a new CstNode is guaranteed
+            // To be the next Token's startOffset (for valid inputs).
+            // For invalid inputs there won't be any CSTOutput so this potential
+            // inaccuracy does not matter
+            startOffset: this.LA(1).startOffset,
+            endOffset: NaN
+        };
+    };
+    TreeBuilder.prototype.setInitialNodeLocationFullRecovery = function (cstNode) {
+        cstNode.location = {
+            startOffset: NaN,
+            startLine: NaN,
+            startColumn: NaN,
+            endOffset: NaN,
+            endLine: NaN,
+            endColumn: NaN
+        };
+    };
+    /**
+       *  @see setInitialNodeLocationOnlyOffsetRegular for explanation why this work
+  
+       * @param cstNode
+       */
+    TreeBuilder.prototype.setInitialNodeLocationFullRegular = function (cstNode) {
+        var nextToken = this.LA(1);
+        cstNode.location = {
+            startOffset: nextToken.startOffset,
+            startLine: nextToken.startLine,
+            startColumn: nextToken.startColumn,
+            endOffset: NaN,
+            endLine: NaN,
+            endColumn: NaN
+        };
+    };
+    TreeBuilder.prototype.cstInvocationStateUpdate = function (fullRuleName, shortName) {
+        var cstNode = {
+            name: fullRuleName,
+            children: {}
+        };
+        this.setInitialNodeLocation(cstNode);
+        this.CST_STACK.push(cstNode);
+    };
+    TreeBuilder.prototype.cstFinallyStateUpdate = function () {
+        this.CST_STACK.pop();
+    };
+    TreeBuilder.prototype.cstPostRuleFull = function (ruleCstNode) {
+        var prevToken = this.LA(0);
+        var loc = ruleCstNode.location;
+        // If this condition is true it means we consumed at least one Token
+        // In this CstNode.
+        if (loc.startOffset <= prevToken.startOffset === true) {
+            loc.endOffset = prevToken.endOffset;
+            loc.endLine = prevToken.endLine;
+            loc.endColumn = prevToken.endColumn;
+        }
+        // "empty" CstNode edge case
+        else {
+            loc.startOffset = NaN;
+            loc.startLine = NaN;
+            loc.startColumn = NaN;
+        }
+    };
+    TreeBuilder.prototype.cstPostRuleOnlyOffset = function (ruleCstNode) {
+        var prevToken = this.LA(0);
+        var loc = ruleCstNode.location;
+        // If this condition is true it means we consumed at least one Token
+        // In this CstNode.
+        if (loc.startOffset <= prevToken.startOffset === true) {
+            loc.endOffset = prevToken.endOffset;
+        }
+        // "empty" CstNode edge case
+        else {
+            loc.startOffset = NaN;
+        }
+    };
+    TreeBuilder.prototype.cstPostTerminal = function (key, consumedToken) {
+        var rootCst = this.CST_STACK[this.CST_STACK.length - 1];
+        cst_1.addTerminalToCst(rootCst, consumedToken, key);
+        // This is only used when **both** error recovery and CST Output are enabled.
+        this.setNodeLocationFromToken(rootCst.location, consumedToken);
+    };
+    TreeBuilder.prototype.cstPostNonTerminal = function (ruleCstResult, ruleName) {
+        var preCstNode = this.CST_STACK[this.CST_STACK.length - 1];
+        cst_1.addNoneTerminalToCst(preCstNode, ruleName, ruleCstResult);
+        // This is only used when **both** error recovery and CST Output are enabled.
+        this.setNodeLocationFromNode(preCstNode.location, ruleCstResult.location);
+    };
+    TreeBuilder.prototype.getBaseCstVisitorConstructor = function () {
+        if (utils_1.isUndefined(this.baseCstVisitorConstructor)) {
+            var newBaseCstVisitorConstructor = cst_visitor_1.createBaseSemanticVisitorConstructor(this.className, utils_1.keys(this.gastProductionsCache));
+            this.baseCstVisitorConstructor = newBaseCstVisitorConstructor;
+            return newBaseCstVisitorConstructor;
+        }
+        return this.baseCstVisitorConstructor;
+    };
+    TreeBuilder.prototype.getBaseCstVisitorConstructorWithDefaults = function () {
+        if (utils_1.isUndefined(this.baseCstVisitorWithDefaultsConstructor)) {
+            var newConstructor = cst_visitor_1.createBaseVisitorConstructorWithDefaults(this.className, utils_1.keys(this.gastProductionsCache), this.getBaseCstVisitorConstructor());
+            this.baseCstVisitorWithDefaultsConstructor = newConstructor;
+            return newConstructor;
+        }
+        return this.baseCstVisitorWithDefaultsConstructor;
+    };
+    TreeBuilder.prototype.getLastExplicitRuleShortName = function () {
+        var ruleStack = this.RULE_STACK;
+        return ruleStack[ruleStack.length - 1];
+    };
+    TreeBuilder.prototype.getPreviousExplicitRuleShortName = function () {
+        var ruleStack = this.RULE_STACK;
+        return ruleStack[ruleStack.length - 2];
+    };
+    TreeBuilder.prototype.getLastExplicitRuleOccurrenceIndex = function () {
+        var occurrenceStack = this.RULE_OCCURRENCE_STACK;
+        return occurrenceStack[occurrenceStack.length - 1];
+    };
+    return TreeBuilder;
+}());
+exports.TreeBuilder = TreeBuilder;
+//# sourceMappingURL=tree_builder.js.map

node_modules/chevrotain/lib/src/scan/lexer.js

@@ -0,0 +1,913 @@
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.charCodeToOptimizedIndex = exports.minOptimizationVal = exports.buildLineBreakIssueMessage = exports.LineTerminatorOptimizedTester = exports.isShortPattern = exports.isCustomPattern = exports.cloneEmptyGroups = exports.performWarningRuntimeChecks = exports.performRuntimeChecks = exports.addStickyFlag = exports.addStartOfInput = exports.findUnreachablePatterns = exports.findModesThatDoNotExist = exports.findInvalidGroupType = exports.findDuplicatePatterns = exports.findUnsupportedFlags = exports.findStartOfInputAnchor = exports.findEmptyMatchRegExps = exports.findEndOfInputAnchor = exports.findInvalidPatterns = exports.findMissingPatterns = exports.validatePatterns = exports.analyzeTokenTypes = exports.enableSticky = exports.disableSticky = exports.SUPPORT_STICKY = exports.MODES = exports.DEFAULT_MODE = void 0;
+var regexp_to_ast_1 = require("regexp-to-ast");
+var lexer_public_1 = require("./lexer_public");
+var utils_1 = require("../utils/utils");
+var reg_exp_1 = require("./reg_exp");
+var reg_exp_parser_1 = require("./reg_exp_parser");
+var PATTERN = "PATTERN";
+exports.DEFAULT_MODE = "defaultMode";
+exports.MODES = "modes";
+exports.SUPPORT_STICKY = typeof new RegExp("(?:)").sticky === "boolean";
+function disableSticky() {
+    exports.SUPPORT_STICKY = false;
+}
+exports.disableSticky = disableSticky;
+function enableSticky() {
+    exports.SUPPORT_STICKY = true;
+}
+exports.enableSticky = enableSticky;
+function analyzeTokenTypes(tokenTypes, options) {
+    options = utils_1.defaults(options, {
+        useSticky: exports.SUPPORT_STICKY,
+        debug: false,
+        safeMode: false,
+        positionTracking: "full",
+        lineTerminatorCharacters: ["\r", "\n"],
+        tracer: function (msg, action) { return action(); }
+    });
+    var tracer = options.tracer;
+    tracer("initCharCodeToOptimizedIndexMap", function () {
+        initCharCodeToOptimizedIndexMap();
+    });
+    var onlyRelevantTypes;
+    tracer("Reject Lexer.NA", function () {
+        onlyRelevantTypes = utils_1.reject(tokenTypes, function (currType) {
+            return currType[PATTERN] === lexer_public_1.Lexer.NA;
+        });
+    });
+    var hasCustom = false;
+    var allTransformedPatterns;
+    tracer("Transform Patterns", function () {
+        hasCustom = false;
+        allTransformedPatterns = utils_1.map(onlyRelevantTypes, function (currType) {
+            var currPattern = currType[PATTERN];
+            /* istanbul ignore else */
+            if (utils_1.isRegExp(currPattern)) {
+                var regExpSource = currPattern.source;
+                if (regExpSource.length === 1 &&
+                    // only these regExp meta characters which can appear in a length one regExp
+                    regExpSource !== "^" &&
+                    regExpSource !== "$" &&
+                    regExpSource !== "." &&
+                    !currPattern.ignoreCase) {
+                    return regExpSource;
+                }
+                else if (regExpSource.length === 2 &&
+                    regExpSource[0] === "\\" &&
+                    // not a meta character
+                    !utils_1.contains([
+                        "d",
+                        "D",
+                        "s",
+                        "S",
+                        "t",
+                        "r",
+                        "n",
+                        "t",
+                        "0",
+                        "c",
+                        "b",
+                        "B",
+                        "f",
+                        "v",
+                        "w",
+                        "W"
+                    ], regExpSource[1])) {
+                    // escaped meta Characters: /\+/ /\[/
+                    // or redundant escaping: /\a/
+                    // without the escaping "\"
+                    return regExpSource[1];
+                }
+                else {
+                    return options.useSticky
+                        ? addStickyFlag(currPattern)
+                        : addStartOfInput(currPattern);
+                }
+            }
+            else if (utils_1.isFunction(currPattern)) {
+                hasCustom = true;
+                // CustomPatternMatcherFunc - custom patterns do not require any transformations, only wrapping in a RegExp Like object
+                return { exec: currPattern };
+            }
+            else if (utils_1.has(currPattern, "exec")) {
+                hasCustom = true;
+                // ICustomPattern
+                return currPattern;
+            }
+            else if (typeof currPattern === "string") {
+                if (currPattern.length === 1) {
+                    return currPattern;
+                }
+                else {
+                    var escapedRegExpString = currPattern.replace(/[\\^$.*+?()[\]{}|]/g, "\\$&");
+                    var wrappedRegExp = new RegExp(escapedRegExpString);
+                    return options.useSticky
+                        ? addStickyFlag(wrappedRegExp)
+                        : addStartOfInput(wrappedRegExp);
+                }
+            }
+            else {
+                throw Error("non exhaustive match");
+            }
+        });
+    });
+    var patternIdxToType;
+    var patternIdxToGroup;
+    var patternIdxToLongerAltIdx;
+    var patternIdxToPushMode;
+    var patternIdxToPopMode;
+    tracer("misc mapping", function () {
+        patternIdxToType = utils_1.map(onlyRelevantTypes, function (currType) { return currType.tokenTypeIdx; });
+        patternIdxToGroup = utils_1.map(onlyRelevantTypes, function (clazz) {
+            var groupName = clazz.GROUP;
+            /* istanbul ignore next */
+            if (groupName === lexer_public_1.Lexer.SKIPPED) {
+                return undefined;
+            }
+            else if (utils_1.isString(groupName)) {
+                return groupName;
+            }
+            else if (utils_1.isUndefined(groupName)) {
+                return false;
+            }
+            else {
+                throw Error("non exhaustive match");
+            }
+        });
+        patternIdxToLongerAltIdx = utils_1.map(onlyRelevantTypes, function (clazz) {
+            var longerAltType = clazz.LONGER_ALT;
+            if (longerAltType) {
+                var longerAltIdx = utils_1.indexOf(onlyRelevantTypes, longerAltType);
+                return longerAltIdx;
+            }
+        });
+        patternIdxToPushMode = utils_1.map(onlyRelevantTypes, function (clazz) { return clazz.PUSH_MODE; });
+        patternIdxToPopMode = utils_1.map(onlyRelevantTypes, function (clazz) {
+            return utils_1.has(clazz, "POP_MODE");
+        });
+    });
+    var patternIdxToCanLineTerminator;
+    tracer("Line Terminator Handling", function () {
+        var lineTerminatorCharCodes = getCharCodes(options.lineTerminatorCharacters);
+        patternIdxToCanLineTerminator = utils_1.map(onlyRelevantTypes, function (tokType) { return false; });
+        if (options.positionTracking !== "onlyOffset") {
+            patternIdxToCanLineTerminator = utils_1.map(onlyRelevantTypes, function (tokType) {
+                if (utils_1.has(tokType, "LINE_BREAKS")) {
+                    return tokType.LINE_BREAKS;
+                }
+                else {
+                    if (checkLineBreaksIssues(tokType, lineTerminatorCharCodes) === false) {
+                        return reg_exp_1.canMatchCharCode(lineTerminatorCharCodes, tokType.PATTERN);
+                    }
+                }
+            });
+        }
+    });
+    var patternIdxToIsCustom;
+    var patternIdxToShort;
+    var emptyGroups;
+    var patternIdxToConfig;
+    tracer("Misc Mapping #2", function () {
+        patternIdxToIsCustom = utils_1.map(onlyRelevantTypes, isCustomPattern);
+        patternIdxToShort = utils_1.map(allTransformedPatterns, isShortPattern);
+        emptyGroups = utils_1.reduce(onlyRelevantTypes, function (acc, clazz) {
+            var groupName = clazz.GROUP;
+            if (utils_1.isString(groupName) && !(groupName === lexer_public_1.Lexer.SKIPPED)) {
+                acc[groupName] = [];
+            }
+            return acc;
+        }, {});
+        patternIdxToConfig = utils_1.map(allTransformedPatterns, function (x, idx) {
+            return {
+                pattern: allTransformedPatterns[idx],
+                longerAlt: patternIdxToLongerAltIdx[idx],
+                canLineTerminator: patternIdxToCanLineTerminator[idx],
+                isCustom: patternIdxToIsCustom[idx],
+                short: patternIdxToShort[idx],
+                group: patternIdxToGroup[idx],
+                push: patternIdxToPushMode[idx],
+                pop: patternIdxToPopMode[idx],
+                tokenTypeIdx: patternIdxToType[idx],
+                tokenType: onlyRelevantTypes[idx]
+            };
+        });
+    });
+    var canBeOptimized = true;
+    var charCodeToPatternIdxToConfig = [];
+    if (!options.safeMode) {
+        tracer("First Char Optimization", function () {
+            charCodeToPatternIdxToConfig = utils_1.reduce(onlyRelevantTypes, function (result, currTokType, idx) {
+                if (typeof currTokType.PATTERN === "string") {
+                    var charCode = currTokType.PATTERN.charCodeAt(0);
+                    var optimizedIdx = charCodeToOptimizedIndex(charCode);
+                    addToMapOfArrays(result, optimizedIdx, patternIdxToConfig[idx]);
+                }
+                else if (utils_1.isArray(currTokType.START_CHARS_HINT)) {
+                    var lastOptimizedIdx_1;
+                    utils_1.forEach(currTokType.START_CHARS_HINT, function (charOrInt) {
+                        var charCode = typeof charOrInt === "string"
+                            ? charOrInt.charCodeAt(0)
+                            : charOrInt;
+                        var currOptimizedIdx = charCodeToOptimizedIndex(charCode);
+                        // Avoid adding the config multiple times
+                        /* istanbul ignore else */
+                        // - Difficult to check this scenario effects as it is only a performance
+                        //   optimization that does not change correctness
+                        if (lastOptimizedIdx_1 !== currOptimizedIdx) {
+                            lastOptimizedIdx_1 = currOptimizedIdx;
+                            addToMapOfArrays(result, currOptimizedIdx, patternIdxToConfig[idx]);
+                        }
+                    });
+                }
+                else if (utils_1.isRegExp(currTokType.PATTERN)) {
+                    if (currTokType.PATTERN.unicode) {
+                        canBeOptimized = false;
+                        if (options.ensureOptimizations) {
+                            utils_1.PRINT_ERROR("" + reg_exp_1.failedOptimizationPrefixMsg +
+                                ("\tUnable to analyze < " + currTokType.PATTERN.toString() + " > pattern.\n") +
+                                "\tThe regexp unicode flag is not currently supported by the regexp-to-ast library.\n" +
+                                "\tThis will disable the lexer's first char optimizations.\n" +
+                                "\tFor details See: https://sap.github.io/chevrotain/docs/guide/resolving_lexer_errors.html#UNICODE_OPTIMIZE");
+                        }
+                    }
+                    else {
+                        var optimizedCodes = reg_exp_1.getOptimizedStartCodesIndices(currTokType.PATTERN, options.ensureOptimizations);
+                        /* istanbul ignore if */
+                        // start code will only be empty given an empty regExp or failure of regexp-to-ast library
+                        // the first should be a different validation and the second cannot be tested.
+                        if (utils_1.isEmpty(optimizedCodes)) {
+                            // we cannot understand what codes may start possible matches
+                            // The optimization correctness requires knowing start codes for ALL patterns.
+                            // Not actually sure this is an error, no debug message
+                            canBeOptimized = false;
+                        }
+                        utils_1.forEach(optimizedCodes, function (code) {
+                            addToMapOfArrays(result, code, patternIdxToConfig[idx]);
+                        });
+                    }
+                }
+                else {
+                    if (options.ensureOptimizations) {
+                        utils_1.PRINT_ERROR("" + reg_exp_1.failedOptimizationPrefixMsg +
+                            ("\tTokenType: <" + currTokType.name + "> is using a custom token pattern without providing <start_chars_hint> parameter.\n") +
+                            "\tThis will disable the lexer's first char optimizations.\n" +
+                            "\tFor details See: https://sap.github.io/chevrotain/docs/guide/resolving_lexer_errors.html#CUSTOM_OPTIMIZE");
+                    }
+                    canBeOptimized = false;
+                }
+                return result;
+            }, []);
+        });
+    }
+    tracer("ArrayPacking", function () {
+        charCodeToPatternIdxToConfig = utils_1.packArray(charCodeToPatternIdxToConfig);
+    });
+    return {
+        emptyGroups: emptyGroups,
+        patternIdxToConfig: patternIdxToConfig,
+        charCodeToPatternIdxToConfig: charCodeToPatternIdxToConfig,
+        hasCustom: hasCustom,
+        canBeOptimized: canBeOptimized
+    };
+}
+exports.analyzeTokenTypes = analyzeTokenTypes;
+function validatePatterns(tokenTypes, validModesNames) {
+    var errors = [];
+    var missingResult = findMissingPatterns(tokenTypes);
+    errors = errors.concat(missingResult.errors);
+    var invalidResult = findInvalidPatterns(missingResult.valid);
+    var validTokenTypes = invalidResult.valid;
+    errors = errors.concat(invalidResult.errors);
+    errors = errors.concat(validateRegExpPattern(validTokenTypes));
+    errors = errors.concat(findInvalidGroupType(validTokenTypes));
+    errors = errors.concat(findModesThatDoNotExist(validTokenTypes, validModesNames));
+    errors = errors.concat(findUnreachablePatterns(validTokenTypes));
+    return errors;
+}
+exports.validatePatterns = validatePatterns;
+function validateRegExpPattern(tokenTypes) {
+    var errors = [];
+    var withRegExpPatterns = utils_1.filter(tokenTypes, function (currTokType) {
+        return utils_1.isRegExp(currTokType[PATTERN]);
+    });
+    errors = errors.concat(findEndOfInputAnchor(withRegExpPatterns));
+    errors = errors.concat(findStartOfInputAnchor(withRegExpPatterns));
+    errors = errors.concat(findUnsupportedFlags(withRegExpPatterns));
+    errors = errors.concat(findDuplicatePatterns(withRegExpPatterns));
+    errors = errors.concat(findEmptyMatchRegExps(withRegExpPatterns));
+    return errors;
+}
+function findMissingPatterns(tokenTypes) {
+    var tokenTypesWithMissingPattern = utils_1.filter(tokenTypes, function (currType) {
+        return !utils_1.has(currType, PATTERN);
+    });
+    var errors = utils_1.map(tokenTypesWithMissingPattern, function (currType) {
+        return {
+            message: "Token Type: ->" +
+                currType.name +
+                "<- missing static 'PATTERN' property",
+            type: lexer_public_1.LexerDefinitionErrorType.MISSING_PATTERN,
+            tokenTypes: [currType]
+        };
+    });
+    var valid = utils_1.difference(tokenTypes, tokenTypesWithMissingPattern);
+    return { errors: errors, valid: valid };
+}
+exports.findMissingPatterns = findMissingPatterns;
+function findInvalidPatterns(tokenTypes) {
+    var tokenTypesWithInvalidPattern = utils_1.filter(tokenTypes, function (currType) {
+        var pattern = currType[PATTERN];
+        return (!utils_1.isRegExp(pattern) &&
+            !utils_1.isFunction(pattern) &&
+            !utils_1.has(pattern, "exec") &&
+            !utils_1.isString(pattern));
+    });
+    var errors = utils_1.map(tokenTypesWithInvalidPattern, function (currType) {
+        return {
+            message: "Token Type: ->" +
+                currType.name +
+                "<- static 'PATTERN' can only be a RegExp, a" +
+                " Function matching the {CustomPatternMatcherFunc} type or an Object matching the {ICustomPattern} interface.",
+            type: lexer_public_1.LexerDefinitionErrorType.INVALID_PATTERN,
+            tokenTypes: [currType]
+        };
+    });
+    var valid = utils_1.difference(tokenTypes, tokenTypesWithInvalidPattern);
+    return { errors: errors, valid: valid };
+}
+exports.findInvalidPatterns = findInvalidPatterns;
+var end_of_input = /[^\\][\$]/;
+function findEndOfInputAnchor(tokenTypes) {
+    var EndAnchorFinder = /** @class */ (function (_super) {
+        __extends(EndAnchorFinder, _super);
+        function EndAnchorFinder() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.found = false;
+            return _this;
+        }
+        EndAnchorFinder.prototype.visitEndAnchor = function (node) {
+            this.found = true;
+        };
+        return EndAnchorFinder;
+    }(regexp_to_ast_1.BaseRegExpVisitor));
+    var invalidRegex = utils_1.filter(tokenTypes, function (currType) {
+        var pattern = currType[PATTERN];
+        try {
+            var regexpAst = reg_exp_parser_1.getRegExpAst(pattern);
+            var endAnchorVisitor = new EndAnchorFinder();
+            endAnchorVisitor.visit(regexpAst);
+            return endAnchorVisitor.found;
+        }
+        catch (e) {
+            // old behavior in case of runtime exceptions with regexp-to-ast.
+            /* istanbul ignore next - cannot ensure an error in regexp-to-ast*/
+            return end_of_input.test(pattern.source);
+        }
+    });
+    var errors = utils_1.map(invalidRegex, function (currType) {
+        return {
+            message: "Unexpected RegExp Anchor Error:\n" +
+                "\tToken Type: ->" +
+                currType.name +
+                "<- static 'PATTERN' cannot contain end of input anchor '$'\n" +
+                "\tSee sap.github.io/chevrotain/docs/guide/resolving_lexer_errors.html#ANCHORS" +
+                "\tfor details.",
+            type: lexer_public_1.LexerDefinitionErrorType.EOI_ANCHOR_FOUND,
+            tokenTypes: [currType]
+        };
+    });
+    return errors;
+}
+exports.findEndOfInputAnchor = findEndOfInputAnchor;
+function findEmptyMatchRegExps(tokenTypes) {
+    var matchesEmptyString = utils_1.filter(tokenTypes, function (currType) {
+        var pattern = currType[PATTERN];
+        return pattern.test("");
+    });
+    var errors = utils_1.map(matchesEmptyString, function (currType) {
+        return {
+            message: "Token Type: ->" +
+                currType.name +
+                "<- static 'PATTERN' must not match an empty string",
+            type: lexer_public_1.LexerDefinitionErrorType.EMPTY_MATCH_PATTERN,
+            tokenTypes: [currType]
+        };
+    });
+    return errors;
+}
+exports.findEmptyMatchRegExps = findEmptyMatchRegExps;
+var start_of_input = /[^\\[][\^]|^\^/;
+function findStartOfInputAnchor(tokenTypes) {
+    var StartAnchorFinder = /** @class */ (function (_super) {
+        __extends(StartAnchorFinder, _super);
+        function StartAnchorFinder() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.found = false;
+            return _this;
+        }
+        StartAnchorFinder.prototype.visitStartAnchor = function (node) {
+            this.found = true;
+        };
+        return StartAnchorFinder;
+    }(regexp_to_ast_1.BaseRegExpVisitor));
+    var invalidRegex = utils_1.filter(tokenTypes, function (currType) {
+        var pattern = currType[PATTERN];
+        try {
+            var regexpAst = reg_exp_parser_1.getRegExpAst(pattern);
+            var startAnchorVisitor = new StartAnchorFinder();
+            startAnchorVisitor.visit(regexpAst);
+            return startAnchorVisitor.found;
+        }
+        catch (e) {
+            // old behavior in case of runtime exceptions with regexp-to-ast.
+            /* istanbul ignore next - cannot ensure an error in regexp-to-ast*/
+            return start_of_input.test(pattern.source);
+        }
+    });
+    var errors = utils_1.map(invalidRegex, function (currType) {
+        return {
+            message: "Unexpected RegExp Anchor Error:\n" +
+                "\tToken Type: ->" +
+                currType.name +
+                "<- static 'PATTERN' cannot contain start of input anchor '^'\n" +
+                "\tSee https://sap.github.io/chevrotain/docs/guide/resolving_lexer_errors.html#ANCHORS" +
+                "\tfor details.",
+            type: lexer_public_1.LexerDefinitionErrorType.SOI_ANCHOR_FOUND,
+            tokenTypes: [currType]
+        };
+    });
+    return errors;
+}
+exports.findStartOfInputAnchor = findStartOfInputAnchor;
+function findUnsupportedFlags(tokenTypes) {
+    var invalidFlags = utils_1.filter(tokenTypes, function (currType) {
+        var pattern = currType[PATTERN];
+        return pattern instanceof RegExp && (pattern.multiline || pattern.global);
+    });
+    var errors = utils_1.map(invalidFlags, function (currType) {
+        return {
+            message: "Token Type: ->" +
+                currType.name +
+                "<- static 'PATTERN' may NOT contain global('g') or multiline('m')",
+            type: lexer_public_1.LexerDefinitionErrorType.UNSUPPORTED_FLAGS_FOUND,
+            tokenTypes: [currType]
+        };
+    });
+    return errors;
+}
+exports.findUnsupportedFlags = findUnsupportedFlags;
+// This can only test for identical duplicate RegExps, not semantically equivalent ones.
+function findDuplicatePatterns(tokenTypes) {
+    var found = [];
+    var identicalPatterns = utils_1.map(tokenTypes, function (outerType) {
+        return utils_1.reduce(tokenTypes, function (result, innerType) {
+            if (outerType.PATTERN.source === innerType.PATTERN.source &&
+                !utils_1.contains(found, innerType) &&
+                innerType.PATTERN !== lexer_public_1.Lexer.NA) {
+                // this avoids duplicates in the result, each Token Type may only appear in one "set"
+                // in essence we are creating Equivalence classes on equality relation.
+                found.push(innerType);
+                result.push(innerType);
+                return result;
+            }
+            return result;
+        }, []);
+    });
+    identicalPatterns = utils_1.compact(identicalPatterns);
+    var duplicatePatterns = utils_1.filter(identicalPatterns, function (currIdenticalSet) {
+        return currIdenticalSet.length > 1;
+    });
+    var errors = utils_1.map(duplicatePatterns, function (setOfIdentical) {
+        var tokenTypeNames = utils_1.map(setOfIdentical, function (currType) {
+            return currType.name;
+        });
+        var dupPatternSrc = utils_1.first(setOfIdentical).PATTERN;
+        return {
+            message: "The same RegExp pattern ->" + dupPatternSrc + "<-" +
+                ("has been used in all of the following Token Types: " + tokenTypeNames.join(", ") + " <-"),
+            type: lexer_public_1.LexerDefinitionErrorType.DUPLICATE_PATTERNS_FOUND,
+            tokenTypes: setOfIdentical
+        };
+    });
+    return errors;
+}
+exports.findDuplicatePatterns = findDuplicatePatterns;
+function findInvalidGroupType(tokenTypes) {
+    var invalidTypes = utils_1.filter(tokenTypes, function (clazz) {
+        if (!utils_1.has(clazz, "GROUP")) {
+            return false;
+        }
+        var group = clazz.GROUP;
+        return group !== lexer_public_1.Lexer.SKIPPED && group !== lexer_public_1.Lexer.NA && !utils_1.isString(group);
+    });
+    var errors = utils_1.map(invalidTypes, function (currType) {
+        return {
+            message: "Token Type: ->" +
+                currType.name +
+                "<- static 'GROUP' can only be Lexer.SKIPPED/Lexer.NA/A String",
+            type: lexer_public_1.LexerDefinitionErrorType.INVALID_GROUP_TYPE_FOUND,
+            tokenTypes: [currType]
+        };
+    });
+    return errors;
+}
+exports.findInvalidGroupType = findInvalidGroupType;
+function findModesThatDoNotExist(tokenTypes, validModes) {
+    var invalidModes = utils_1.filter(tokenTypes, function (clazz) {
+        return (clazz.PUSH_MODE !== undefined && !utils_1.contains(validModes, clazz.PUSH_MODE));
+    });
+    var errors = utils_1.map(invalidModes, function (tokType) {
+        var msg = "Token Type: ->" + tokType.name + "<- static 'PUSH_MODE' value cannot refer to a Lexer Mode ->" + tokType.PUSH_MODE + "<-" +
+            "which does not exist";
+        return {
+            message: msg,
+            type: lexer_public_1.LexerDefinitionErrorType.PUSH_MODE_DOES_NOT_EXIST,
+            tokenTypes: [tokType]
+        };
+    });
+    return errors;
+}
+exports.findModesThatDoNotExist = findModesThatDoNotExist;
+function findUnreachablePatterns(tokenTypes) {
+    var errors = [];
+    var canBeTested = utils_1.reduce(tokenTypes, function (result, tokType, idx) {
+        var pattern = tokType.PATTERN;
+        if (pattern === lexer_public_1.Lexer.NA) {
+            return result;
+        }
+        // a more comprehensive validation for all forms of regExps would require
+        // deeper regExp analysis capabilities
+        if (utils_1.isString(pattern)) {
+            result.push({ str: pattern, idx: idx, tokenType: tokType });
+        }
+        else if (utils_1.isRegExp(pattern) && noMetaChar(pattern)) {
+            result.push({ str: pattern.source, idx: idx, tokenType: tokType });
+        }
+        return result;
+    }, []);
+    utils_1.forEach(tokenTypes, function (tokType, testIdx) {
+        utils_1.forEach(canBeTested, function (_a) {
+            var str = _a.str, idx = _a.idx, tokenType = _a.tokenType;
+            if (testIdx < idx && testTokenType(str, tokType.PATTERN)) {
+                var msg = "Token: ->" + tokenType.name + "<- can never be matched.\n" +
+                    ("Because it appears AFTER the Token Type ->" + tokType.name + "<-") +
+                    "in the lexer's definition.\n" +
+                    "See https://sap.github.io/chevrotain/docs/guide/resolving_lexer_errors.html#UNREACHABLE";
+                errors.push({
+                    message: msg,
+                    type: lexer_public_1.LexerDefinitionErrorType.UNREACHABLE_PATTERN,
+                    tokenTypes: [tokType, tokenType]
+                });
+            }
+        });
+    });
+    return errors;
+}
+exports.findUnreachablePatterns = findUnreachablePatterns;
+function testTokenType(str, pattern) {
+    /* istanbul ignore else */
+    if (utils_1.isRegExp(pattern)) {
+        var regExpArray = pattern.exec(str);
+        return regExpArray !== null && regExpArray.index === 0;
+    }
+    else if (utils_1.isFunction(pattern)) {
+        // maintain the API of custom patterns
+        return pattern(str, 0, [], {});
+    }
+    else if (utils_1.has(pattern, "exec")) {
+        // maintain the API of custom patterns
+        return pattern.exec(str, 0, [], {});
+    }
+    else if (typeof pattern === "string") {
+        return pattern === str;
+    }
+    else {
+        throw Error("non exhaustive match");
+    }
+}
+function noMetaChar(regExp) {
+    //https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp
+    var metaChars = [
+        ".",
+        "\\",
+        "[",
+        "]",
+        "|",
+        "^",
+        "$",
+        "(",
+        ")",
+        "?",
+        "*",
+        "+",
+        "{"
+    ];
+    return (utils_1.find(metaChars, function (char) { return regExp.source.indexOf(char) !== -1; }) === undefined);
+}
+function addStartOfInput(pattern) {
+    var flags = pattern.ignoreCase ? "i" : "";
+    // always wrapping in a none capturing group preceded by '^' to make sure matching can only work on start of input.
+    // duplicate/redundant start of input markers have no meaning (/^^^^A/ === /^A/)
+    return new RegExp("^(?:" + pattern.source + ")", flags);
+}
+exports.addStartOfInput = addStartOfInput;
+function addStickyFlag(pattern) {
+    var flags = pattern.ignoreCase ? "iy" : "y";
+    // always wrapping in a none capturing group preceded by '^' to make sure matching can only work on start of input.
+    // duplicate/redundant start of input markers have no meaning (/^^^^A/ === /^A/)
+    return new RegExp("" + pattern.source, flags);
+}
+exports.addStickyFlag = addStickyFlag;
+function performRuntimeChecks(lexerDefinition, trackLines, lineTerminatorCharacters) {
+    var errors = [];
+    // some run time checks to help the end users.
+    if (!utils_1.has(lexerDefinition, exports.DEFAULT_MODE)) {
+        errors.push({
+            message: "A MultiMode Lexer cannot be initialized without a <" +
+                exports.DEFAULT_MODE +
+                "> property in its definition\n",
+            type: lexer_public_1.LexerDefinitionErrorType.MULTI_MODE_LEXER_WITHOUT_DEFAULT_MODE
+        });
+    }
+    if (!utils_1.has(lexerDefinition, exports.MODES)) {
+        errors.push({
+            message: "A MultiMode Lexer cannot be initialized without a <" +
+                exports.MODES +
+                "> property in its definition\n",
+            type: lexer_public_1.LexerDefinitionErrorType.MULTI_MODE_LEXER_WITHOUT_MODES_PROPERTY
+        });
+    }
+    if (utils_1.has(lexerDefinition, exports.MODES) &&
+        utils_1.has(lexerDefinition, exports.DEFAULT_MODE) &&
+        !utils_1.has(lexerDefinition.modes, lexerDefinition.defaultMode)) {
+        errors.push({
+            message: "A MultiMode Lexer cannot be initialized with a " + exports.DEFAULT_MODE + ": <" + lexerDefinition.defaultMode + ">" +
+                "which does not exist\n",
+            type: lexer_public_1.LexerDefinitionErrorType.MULTI_MODE_LEXER_DEFAULT_MODE_VALUE_DOES_NOT_EXIST
+        });
+    }
+    if (utils_1.has(lexerDefinition, exports.MODES)) {
+        utils_1.forEach(lexerDefinition.modes, function (currModeValue, currModeName) {
+            utils_1.forEach(currModeValue, function (currTokType, currIdx) {
+                if (utils_1.isUndefined(currTokType)) {
+                    errors.push({
+                        message: "A Lexer cannot be initialized using an undefined Token Type. Mode:" +
+                            ("<" + currModeName + "> at index: <" + currIdx + ">\n"),
+                        type: lexer_public_1.LexerDefinitionErrorType.LEXER_DEFINITION_CANNOT_CONTAIN_UNDEFINED
+                    });
+                }
+            });
+        });
+    }
+    return errors;
+}
+exports.performRuntimeChecks = performRuntimeChecks;
+function performWarningRuntimeChecks(lexerDefinition, trackLines, lineTerminatorCharacters) {
+    var warnings = [];
+    var hasAnyLineBreak = false;
+    var allTokenTypes = utils_1.compact(utils_1.flatten(utils_1.mapValues(lexerDefinition.modes, function (tokTypes) { return tokTypes; })));
+    var concreteTokenTypes = utils_1.reject(allTokenTypes, function (currType) { return currType[PATTERN] === lexer_public_1.Lexer.NA; });
+    var terminatorCharCodes = getCharCodes(lineTerminatorCharacters);
+    if (trackLines) {
+        utils_1.forEach(concreteTokenTypes, function (tokType) {
+            var currIssue = checkLineBreaksIssues(tokType, terminatorCharCodes);
+            if (currIssue !== false) {
+                var message = buildLineBreakIssueMessage(tokType, currIssue);
+                var warningDescriptor = {
+                    message: message,
+                    type: currIssue.issue,
+                    tokenType: tokType
+                };
+                warnings.push(warningDescriptor);
+            }
+            else {
+                // we don't want to attempt to scan if the user explicitly specified the line_breaks option.
+                if (utils_1.has(tokType, "LINE_BREAKS")) {
+                    if (tokType.LINE_BREAKS === true) {
+                        hasAnyLineBreak = true;
+                    }
+                }
+                else {
+                    if (reg_exp_1.canMatchCharCode(terminatorCharCodes, tokType.PATTERN)) {
+                        hasAnyLineBreak = true;
+                    }
+                }
+            }
+        });
+    }
+    if (trackLines && !hasAnyLineBreak) {
+        warnings.push({
+            message: "Warning: No LINE_BREAKS Found.\n" +
+                "\tThis Lexer has been defined to track line and column information,\n" +
+                "\tBut none of the Token Types can be identified as matching a line terminator.\n" +
+                "\tSee https://sap.github.io/chevrotain/docs/guide/resolving_lexer_errors.html#LINE_BREAKS \n" +
+                "\tfor details.",
+            type: lexer_public_1.LexerDefinitionErrorType.NO_LINE_BREAKS_FLAGS
+        });
+    }
+    return warnings;
+}
+exports.performWarningRuntimeChecks = performWarningRuntimeChecks;
+function cloneEmptyGroups(emptyGroups) {
+    var clonedResult = {};
+    var groupKeys = utils_1.keys(emptyGroups);
+    utils_1.forEach(groupKeys, function (currKey) {
+        var currGroupValue = emptyGroups[currKey];
+        /* istanbul ignore else */
+        if (utils_1.isArray(currGroupValue)) {
+            clonedResult[currKey] = [];
+        }
+        else {
+            throw Error("non exhaustive match");
+        }
+    });
+    return clonedResult;
+}
+exports.cloneEmptyGroups = cloneEmptyGroups;
+// TODO: refactor to avoid duplication
+function isCustomPattern(tokenType) {
+    var pattern = tokenType.PATTERN;
+    /* istanbul ignore else */
+    if (utils_1.isRegExp(pattern)) {
+        return false;
+    }
+    else if (utils_1.isFunction(pattern)) {
+        // CustomPatternMatcherFunc - custom patterns do not require any transformations, only wrapping in a RegExp Like object
+        return true;
+    }
+    else if (utils_1.has(pattern, "exec")) {
+        // ICustomPattern
+        return true;
+    }
+    else if (utils_1.isString(pattern)) {
+        return false;
+    }
+    else {
+        throw Error("non exhaustive match");
+    }
+}
+exports.isCustomPattern = isCustomPattern;
+function isShortPattern(pattern) {
+    if (utils_1.isString(pattern) && pattern.length === 1) {
+        return pattern.charCodeAt(0);
+    }
+    else {
+        return false;
+    }
+}
+exports.isShortPattern = isShortPattern;
+/**
+ * Faster than using a RegExp for default newline detection during lexing.
+ */
+exports.LineTerminatorOptimizedTester = {
+    // implements /\n|\r\n?/g.test
+    test: function (text) {
+        var len = text.length;
+        for (var i = this.lastIndex; i < len; i++) {
+            var c = text.charCodeAt(i);
+            if (c === 10) {
+                this.lastIndex = i + 1;
+                return true;
+            }
+            else if (c === 13) {
+                if (text.charCodeAt(i + 1) === 10) {
+                    this.lastIndex = i + 2;
+                }
+                else {
+                    this.lastIndex = i + 1;
+                }
+                return true;
+            }
+        }
+        return false;
+    },
+    lastIndex: 0
+};
+function checkLineBreaksIssues(tokType, lineTerminatorCharCodes) {
+    if (utils_1.has(tokType, "LINE_BREAKS")) {
+        // if the user explicitly declared the line_breaks option we will respect their choice
+        // and assume it is correct.
+        return false;
+    }
+    else {
+        /* istanbul ignore else */
+        if (utils_1.isRegExp(tokType.PATTERN)) {
+            try {
+                reg_exp_1.canMatchCharCode(lineTerminatorCharCodes, tokType.PATTERN);
+            }
+            catch (e) {
+                /* istanbul ignore next - to test this we would have to mock <canMatchCharCode> to throw an error */
+                return {
+                    issue: lexer_public_1.LexerDefinitionErrorType.IDENTIFY_TERMINATOR,
+                    errMsg: e.message
+                };
+            }
+            return false;
+        }
+        else if (utils_1.isString(tokType.PATTERN)) {
+            // string literal patterns can always be analyzed to detect line terminator usage
+            return false;
+        }
+        else if (isCustomPattern(tokType)) {
+            // custom token types
+            return { issue: lexer_public_1.LexerDefinitionErrorType.CUSTOM_LINE_BREAK };
+        }
+        else {
+            throw Error("non exhaustive match");
+        }
+    }
+}
+function buildLineBreakIssueMessage(tokType, details) {
+    /* istanbul ignore else */
+    if (details.issue === lexer_public_1.LexerDefinitionErrorType.IDENTIFY_TERMINATOR) {
+        return ("Warning: unable to identify line terminator usage in pattern.\n" +
+            ("\tThe problem is in the <" + tokType.name + "> Token Type\n") +
+            ("\t Root cause: " + details.errMsg + ".\n") +
+            "\tFor details See: https://sap.github.io/chevrotain/docs/guide/resolving_lexer_errors.html#IDENTIFY_TERMINATOR");
+    }
+    else if (details.issue === lexer_public_1.LexerDefinitionErrorType.CUSTOM_LINE_BREAK) {
+        return ("Warning: A Custom Token Pattern should specify the <line_breaks> option.\n" +
+            ("\tThe problem is in the <" + tokType.name + "> Token Type\n") +
+            "\tFor details See: https://sap.github.io/chevrotain/docs/guide/resolving_lexer_errors.html#CUSTOM_LINE_BREAK");
+    }
+    else {
+        throw Error("non exhaustive match");
+    }
+}
+exports.buildLineBreakIssueMessage = buildLineBreakIssueMessage;
+function getCharCodes(charsOrCodes) {
+    var charCodes = utils_1.map(charsOrCodes, function (numOrString) {
+        if (utils_1.isString(numOrString) && numOrString.length > 0) {
+            return numOrString.charCodeAt(0);
+        }
+        else {
+            return numOrString;
+        }
+    });
+    return charCodes;
+}
+function addToMapOfArrays(map, key, value) {
+    if (map[key] === undefined) {
+        map[key] = [value];
+    }
+    else {
+        map[key].push(value);
+    }
+}
+exports.minOptimizationVal = 256;
+/**
+ * We ae mapping charCode above ASCI (256) into buckets each in the size of 256.
+ * This is because ASCI are the most common start chars so each one of those will get its own
+ * possible token configs vector.
+ *
+ * Tokens starting with charCodes "above" ASCI are uncommon, so we can "afford"
+ * to place these into buckets of possible token configs, What we gain from
+ * this is avoiding the case of creating an optimization 'charCodeToPatternIdxToConfig'
+ * which would contain 10,000+ arrays of small size (e.g unicode Identifiers scenario).
+ * Our 'charCodeToPatternIdxToConfig' max size will now be:
+ * 256 + (2^16 / 2^8) - 1 === 511
+ *
+ * note the hack for fast division integer part extraction
+ * See: https://stackoverflow.com/a/4228528
+ */
+function charCodeToOptimizedIndex(charCode) {
+    return charCode < exports.minOptimizationVal
+        ? charCode
+        : charCodeToOptimizedIdxMap[charCode];
+}
+exports.charCodeToOptimizedIndex = charCodeToOptimizedIndex;
+/**
+ * This is a compromise between cold start / hot running performance
+ * Creating this array takes ~3ms on a modern machine,
+ * But if we perform the computation at runtime as needed the CSS Lexer benchmark
+ * performance degrades by ~10%
+ *
+ * TODO: Perhaps it should be lazy initialized only if a charCode > 255 is used.
+ */
+var charCodeToOptimizedIdxMap = [];
+function initCharCodeToOptimizedIndexMap() {
+    if (utils_1.isEmpty(charCodeToOptimizedIdxMap)) {
+        charCodeToOptimizedIdxMap = new Array(65536);
+        for (var i = 0; i < 65536; i++) {
+            /* tslint:disable */
+            charCodeToOptimizedIdxMap[i] = i > 255 ? 255 + ~~(i / 255) : i;
+            /* tslint:enable */
+        }
+    }
+}
+//# sourceMappingURL=lexer.js.map

node_modules/chevrotain/lib/src/scan/lexer_errors_public.js

@@ -0,0 +1,12 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.defaultLexerErrorProvider = void 0;
+exports.defaultLexerErrorProvider = {
+    buildUnableToPopLexerModeMessage: function (token) {
+        return "Unable to pop Lexer Mode after encountering Token ->" + token.image + "<- The Mode Stack is empty";
+    },
+    buildUnexpectedCharactersMessage: function (fullText, startOffset, length, line, column) {
+        return ("unexpected character: ->" + fullText.charAt(startOffset) + "<- at offset: " + startOffset + "," + (" skipped " + length + " characters."));
+    }
+};
+//# sourceMappingURL=lexer_errors_public.js.map

node_modules/chevrotain/lib/src/scan/lexer_errors_public.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"lexer_errors_public.js","sourceRoot":"","sources":["../../../src/scan/lexer_errors_public.ts"],"names":[],"mappings":";;;AAEa,QAAA,yBAAyB,GAA+B;IACnE,gCAAgC,EAAhC,UAAiC,KAAa;QAC5C,OAAO,yDAAuD,KAAK,CAAC,KAAK,+BAA4B,CAAA;IACvG,CAAC;IAED,gCAAgC,EAAhC,UACE,QAAgB,EAChB,WAAmB,EACnB,MAAc,EACd,IAAa,EACb,MAAe;QAEf,OAAO,CACL,6BAA2B,QAAQ,CAAC,MAAM,CACxC,WAAW,CACZ,sBAAiB,WAAW,MAAG,IAAG,cAAY,MAAM,iBAAc,CAAA,CACpE,CAAA;IACH,CAAC;CACF,CAAA"}

node_modules/chevrotain/lib/src/scan/lexer_public.js

@@ -0,0 +1,665 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Lexer = exports.LexerDefinitionErrorType = void 0;
+var lexer_1 = require("./lexer");
+var utils_1 = require("../utils/utils");
+var tokens_1 = require("./tokens");
+var lexer_errors_public_1 = require("../scan/lexer_errors_public");
+var reg_exp_parser_1 = require("./reg_exp_parser");
+var LexerDefinitionErrorType;
+(function (LexerDefinitionErrorType) {
+    LexerDefinitionErrorType[LexerDefinitionErrorType["MISSING_PATTERN"] = 0] = "MISSING_PATTERN";
+    LexerDefinitionErrorType[LexerDefinitionErrorType["INVALID_PATTERN"] = 1] = "INVALID_PATTERN";
+    LexerDefinitionErrorType[LexerDefinitionErrorType["EOI_ANCHOR_FOUND"] = 2] = "EOI_ANCHOR_FOUND";
+    LexerDefinitionErrorType[LexerDefinitionErrorType["UNSUPPORTED_FLAGS_FOUND"] = 3] = "UNSUPPORTED_FLAGS_FOUND";
+    LexerDefinitionErrorType[LexerDefinitionErrorType["DUPLICATE_PATTERNS_FOUND"] = 4] = "DUPLICATE_PATTERNS_FOUND";
+    LexerDefinitionErrorType[LexerDefinitionErrorType["INVALID_GROUP_TYPE_FOUND"] = 5] = "INVALID_GROUP_TYPE_FOUND";
+    LexerDefinitionErrorType[LexerDefinitionErrorType["PUSH_MODE_DOES_NOT_EXIST"] = 6] = "PUSH_MODE_DOES_NOT_EXIST";
+    LexerDefinitionErrorType[LexerDefinitionErrorType["MULTI_MODE_LEXER_WITHOUT_DEFAULT_MODE"] = 7] = "MULTI_MODE_LEXER_WITHOUT_DEFAULT_MODE";
+    LexerDefinitionErrorType[LexerDefinitionErrorType["MULTI_MODE_LEXER_WITHOUT_MODES_PROPERTY"] = 8] = "MULTI_MODE_LEXER_WITHOUT_MODES_PROPERTY";
+    LexerDefinitionErrorType[LexerDefinitionErrorType["MULTI_MODE_LEXER_DEFAULT_MODE_VALUE_DOES_NOT_EXIST"] = 9] = "MULTI_MODE_LEXER_DEFAULT_MODE_VALUE_DOES_NOT_EXIST";
+    LexerDefinitionErrorType[LexerDefinitionErrorType["LEXER_DEFINITION_CANNOT_CONTAIN_UNDEFINED"] = 10] = "LEXER_DEFINITION_CANNOT_CONTAIN_UNDEFINED";
+    LexerDefinitionErrorType[LexerDefinitionErrorType["SOI_ANCHOR_FOUND"] = 11] = "SOI_ANCHOR_FOUND";
+    LexerDefinitionErrorType[LexerDefinitionErrorType["EMPTY_MATCH_PATTERN"] = 12] = "EMPTY_MATCH_PATTERN";
+    LexerDefinitionErrorType[LexerDefinitionErrorType["NO_LINE_BREAKS_FLAGS"] = 13] = "NO_LINE_BREAKS_FLAGS";
+    LexerDefinitionErrorType[LexerDefinitionErrorType["UNREACHABLE_PATTERN"] = 14] = "UNREACHABLE_PATTERN";
+    LexerDefinitionErrorType[LexerDefinitionErrorType["IDENTIFY_TERMINATOR"] = 15] = "IDENTIFY_TERMINATOR";
+    LexerDefinitionErrorType[LexerDefinitionErrorType["CUSTOM_LINE_BREAK"] = 16] = "CUSTOM_LINE_BREAK";
+})(LexerDefinitionErrorType = exports.LexerDefinitionErrorType || (exports.LexerDefinitionErrorType = {}));
+var DEFAULT_LEXER_CONFIG = {
+    deferDefinitionErrorsHandling: false,
+    positionTracking: "full",
+    lineTerminatorsPattern: /\n|\r\n?/g,
+    lineTerminatorCharacters: ["\n", "\r"],
+    ensureOptimizations: false,
+    safeMode: false,
+    errorMessageProvider: lexer_errors_public_1.defaultLexerErrorProvider,
+    traceInitPerf: false,
+    skipValidations: false
+};
+Object.freeze(DEFAULT_LEXER_CONFIG);
+var Lexer = /** @class */ (function () {
+    function Lexer(lexerDefinition, config) {
+        var _this = this;
+        if (config === void 0) { config = DEFAULT_LEXER_CONFIG; }
+        this.lexerDefinition = lexerDefinition;
+        this.lexerDefinitionErrors = [];
+        this.lexerDefinitionWarning = [];
+        this.patternIdxToConfig = {};
+        this.charCodeToPatternIdxToConfig = {};
+        this.modes = [];
+        this.emptyGroups = {};
+        this.config = undefined;
+        this.trackStartLines = true;
+        this.trackEndLines = true;
+        this.hasCustom = false;
+        this.canModeBeOptimized = {};
+        if (typeof config === "boolean") {
+            throw Error("The second argument to the Lexer constructor is now an ILexerConfig Object.\n" +
+                "a boolean 2nd argument is no longer supported");
+        }
+        // todo: defaults func?
+        this.config = utils_1.merge(DEFAULT_LEXER_CONFIG, config);
+        var traceInitVal = this.config.traceInitPerf;
+        if (traceInitVal === true) {
+            this.traceInitMaxIdent = Infinity;
+            this.traceInitPerf = true;
+        }
+        else if (typeof traceInitVal === "number") {
+            this.traceInitMaxIdent = traceInitVal;
+            this.traceInitPerf = true;
+        }
+        this.traceInitIndent = -1;
+        this.TRACE_INIT("Lexer Constructor", function () {
+            var actualDefinition;
+            var hasOnlySingleMode = true;
+            _this.TRACE_INIT("Lexer Config handling", function () {
+                if (_this.config.lineTerminatorsPattern ===
+                    DEFAULT_LEXER_CONFIG.lineTerminatorsPattern) {
+                    // optimized built-in implementation for the defaults definition of lineTerminators
+                    _this.config.lineTerminatorsPattern = lexer_1.LineTerminatorOptimizedTester;
+                }
+                else {
+                    if (_this.config.lineTerminatorCharacters ===
+                        DEFAULT_LEXER_CONFIG.lineTerminatorCharacters) {
+                        throw Error("Error: Missing <lineTerminatorCharacters> property on the Lexer config.\n" +
+                            "\tFor details See: https://sap.github.io/chevrotain/docs/guide/resolving_lexer_errors.html#MISSING_LINE_TERM_CHARS");
+                    }
+                }
+                if (config.safeMode && config.ensureOptimizations) {
+                    throw Error('"safeMode" and "ensureOptimizations" flags are mutually exclusive.');
+                }
+                _this.trackStartLines = /full|onlyStart/i.test(_this.config.positionTracking);
+                _this.trackEndLines = /full/i.test(_this.config.positionTracking);
+                // Convert SingleModeLexerDefinition into a IMultiModeLexerDefinition.
+                if (utils_1.isArray(lexerDefinition)) {
+                    actualDefinition = { modes: {} };
+                    actualDefinition.modes[lexer_1.DEFAULT_MODE] = utils_1.cloneArr(lexerDefinition);
+                    actualDefinition[lexer_1.DEFAULT_MODE] = lexer_1.DEFAULT_MODE;
+                }
+                else {
+                    // no conversion needed, input should already be a IMultiModeLexerDefinition
+                    hasOnlySingleMode = false;
+                    actualDefinition = utils_1.cloneObj(lexerDefinition);
+                }
+            });
+            if (_this.config.skipValidations === false) {
+                _this.TRACE_INIT("performRuntimeChecks", function () {
+                    _this.lexerDefinitionErrors = _this.lexerDefinitionErrors.concat(lexer_1.performRuntimeChecks(actualDefinition, _this.trackStartLines, _this.config.lineTerminatorCharacters));
+                });
+                _this.TRACE_INIT("performWarningRuntimeChecks", function () {
+                    _this.lexerDefinitionWarning = _this.lexerDefinitionWarning.concat(lexer_1.performWarningRuntimeChecks(actualDefinition, _this.trackStartLines, _this.config.lineTerminatorCharacters));
+                });
+            }
+            // for extra robustness to avoid throwing an none informative error message
+            actualDefinition.modes = actualDefinition.modes
+                ? actualDefinition.modes
+                : {};
+            // an error of undefined TokenTypes will be detected in "performRuntimeChecks" above.
+            // this transformation is to increase robustness in the case of partially invalid lexer definition.
+            utils_1.forEach(actualDefinition.modes, function (currModeValue, currModeName) {
+                actualDefinition.modes[currModeName] = utils_1.reject(currModeValue, function (currTokType) { return utils_1.isUndefined(currTokType); });
+            });
+            var allModeNames = utils_1.keys(actualDefinition.modes);
+            utils_1.forEach(actualDefinition.modes, function (currModDef, currModName) {
+                _this.TRACE_INIT("Mode: <" + currModName + "> processing", function () {
+                    _this.modes.push(currModName);
+                    if (_this.config.skipValidations === false) {
+                        _this.TRACE_INIT("validatePatterns", function () {
+                            _this.lexerDefinitionErrors = _this.lexerDefinitionErrors.concat(lexer_1.validatePatterns(currModDef, allModeNames));
+                        });
+                    }
+                    // If definition errors were encountered, the analysis phase may fail unexpectedly/
+                    // Considering a lexer with definition errors may never be used, there is no point
+                    // to performing the analysis anyhow...
+                    if (utils_1.isEmpty(_this.lexerDefinitionErrors)) {
+                        tokens_1.augmentTokenTypes(currModDef);
+                        var currAnalyzeResult_1;
+                        _this.TRACE_INIT("analyzeTokenTypes", function () {
+                            currAnalyzeResult_1 = lexer_1.analyzeTokenTypes(currModDef, {
+                                lineTerminatorCharacters: _this.config
+                                    .lineTerminatorCharacters,
+                                positionTracking: config.positionTracking,
+                                ensureOptimizations: config.ensureOptimizations,
+                                safeMode: config.safeMode,
+                                tracer: _this.TRACE_INIT.bind(_this)
+                            });
+                        });
+                        _this.patternIdxToConfig[currModName] =
+                            currAnalyzeResult_1.patternIdxToConfig;
+                        _this.charCodeToPatternIdxToConfig[currModName] =
+                            currAnalyzeResult_1.charCodeToPatternIdxToConfig;
+                        _this.emptyGroups = utils_1.merge(_this.emptyGroups, currAnalyzeResult_1.emptyGroups);
+                        _this.hasCustom = currAnalyzeResult_1.hasCustom || _this.hasCustom;
+                        _this.canModeBeOptimized[currModName] =
+                            currAnalyzeResult_1.canBeOptimized;
+                    }
+                });
+            });
+            _this.defaultMode = actualDefinition.defaultMode;
+            if (!utils_1.isEmpty(_this.lexerDefinitionErrors) &&
+                !_this.config.deferDefinitionErrorsHandling) {
+                var allErrMessages = utils_1.map(_this.lexerDefinitionErrors, function (error) {
+                    return error.message;
+                });
+                var allErrMessagesString = allErrMessages.join("-----------------------\n");
+                throw new Error("Errors detected in definition of Lexer:\n" + allErrMessagesString);
+            }
+            // Only print warning if there are no errors, This will avoid pl
+            utils_1.forEach(_this.lexerDefinitionWarning, function (warningDescriptor) {
+                utils_1.PRINT_WARNING(warningDescriptor.message);
+            });
+            _this.TRACE_INIT("Choosing sub-methods implementations", function () {
+                // Choose the relevant internal implementations for this specific parser.
+                // These implementations should be in-lined by the JavaScript engine
+                // to provide optimal performance in each scenario.
+                if (lexer_1.SUPPORT_STICKY) {
+                    _this.chopInput = utils_1.IDENTITY;
+                    _this.match = _this.matchWithTest;
+                }
+                else {
+                    _this.updateLastIndex = utils_1.NOOP;
+                    _this.match = _this.matchWithExec;
+                }
+                if (hasOnlySingleMode) {
+                    _this.handleModes = utils_1.NOOP;
+                }
+                if (_this.trackStartLines === false) {
+                    _this.computeNewColumn = utils_1.IDENTITY;
+                }
+                if (_this.trackEndLines === false) {
+                    _this.updateTokenEndLineColumnLocation = utils_1.NOOP;
+                }
+                if (/full/i.test(_this.config.positionTracking)) {
+                    _this.createTokenInstance = _this.createFullToken;
+                }
+                else if (/onlyStart/i.test(_this.config.positionTracking)) {
+                    _this.createTokenInstance = _this.createStartOnlyToken;
+                }
+                else if (/onlyOffset/i.test(_this.config.positionTracking)) {
+                    _this.createTokenInstance = _this.createOffsetOnlyToken;
+                }
+                else {
+                    throw Error("Invalid <positionTracking> config option: \"" + _this.config.positionTracking + "\"");
+                }
+                if (_this.hasCustom) {
+                    _this.addToken = _this.addTokenUsingPush;
+                    _this.handlePayload = _this.handlePayloadWithCustom;
+                }
+                else {
+                    _this.addToken = _this.addTokenUsingMemberAccess;
+                    _this.handlePayload = _this.handlePayloadNoCustom;
+                }
+            });
+            _this.TRACE_INIT("Failed Optimization Warnings", function () {
+                var unOptimizedModes = utils_1.reduce(_this.canModeBeOptimized, function (cannotBeOptimized, canBeOptimized, modeName) {
+                    if (canBeOptimized === false) {
+                        cannotBeOptimized.push(modeName);
+                    }
+                    return cannotBeOptimized;
+                }, []);
+                if (config.ensureOptimizations && !utils_1.isEmpty(unOptimizedModes)) {
+                    throw Error("Lexer Modes: < " + unOptimizedModes.join(", ") + " > cannot be optimized.\n" +
+                        '\t Disable the "ensureOptimizations" lexer config flag to silently ignore this and run the lexer in an un-optimized mode.\n' +
+                        "\t Or inspect the console log for details on how to resolve these issues.");
+                }
+            });
+            _this.TRACE_INIT("clearRegExpParserCache", function () {
+                reg_exp_parser_1.clearRegExpParserCache();
+            });
+            _this.TRACE_INIT("toFastProperties", function () {
+                utils_1.toFastProperties(_this);
+            });
+        });
+    }
+    Lexer.prototype.tokenize = function (text, initialMode) {
+        if (initialMode === void 0) { initialMode = this.defaultMode; }
+        if (!utils_1.isEmpty(this.lexerDefinitionErrors)) {
+            var allErrMessages = utils_1.map(this.lexerDefinitionErrors, function (error) {
+                return error.message;
+            });
+            var allErrMessagesString = allErrMessages.join("-----------------------\n");
+            throw new Error("Unable to Tokenize because Errors detected in definition of Lexer:\n" +
+                allErrMessagesString);
+        }
+        var lexResult = this.tokenizeInternal(text, initialMode);
+        return lexResult;
+    };
+    // There is quite a bit of duplication between this and "tokenizeInternalLazy"
+    // This is intentional due to performance considerations.
+    Lexer.prototype.tokenizeInternal = function (text, initialMode) {
+        var _this = this;
+        var i, j, matchAltImage, longerAltIdx, matchedImage, payload, altPayload, imageLength, group, tokType, newToken, errLength, droppedChar, msg, match;
+        var orgText = text;
+        var orgLength = orgText.length;
+        var offset = 0;
+        var matchedTokensIndex = 0;
+        // initializing the tokensArray to the "guessed" size.
+        // guessing too little will still reduce the number of array re-sizes on pushes.
+        // guessing too large (Tested by guessing x4 too large) may cost a bit more of memory
+        // but would still have a faster runtime by avoiding (All but one) array resizing.
+        var guessedNumberOfTokens = this.hasCustom
+            ? 0 // will break custom token pattern APIs the matchedTokens array will contain undefined elements.
+            : Math.floor(text.length / 10);
+        var matchedTokens = new Array(guessedNumberOfTokens);
+        var errors = [];
+        var line = this.trackStartLines ? 1 : undefined;
+        var column = this.trackStartLines ? 1 : undefined;
+        var groups = lexer_1.cloneEmptyGroups(this.emptyGroups);
+        var trackLines = this.trackStartLines;
+        var lineTerminatorPattern = this.config.lineTerminatorsPattern;
+        var currModePatternsLength = 0;
+        var patternIdxToConfig = [];
+        var currCharCodeToPatternIdxToConfig = [];
+        var modeStack = [];
+        var emptyArray = [];
+        Object.freeze(emptyArray);
+        var getPossiblePatterns = undefined;
+        function getPossiblePatternsSlow() {
+            return patternIdxToConfig;
+        }
+        function getPossiblePatternsOptimized(charCode) {
+            var optimizedCharIdx = lexer_1.charCodeToOptimizedIndex(charCode);
+            var possiblePatterns = currCharCodeToPatternIdxToConfig[optimizedCharIdx];
+            if (possiblePatterns === undefined) {
+                return emptyArray;
+            }
+            else {
+                return possiblePatterns;
+            }
+        }
+        var pop_mode = function (popToken) {
+            // TODO: perhaps avoid this error in the edge case there is no more input?
+            if (modeStack.length === 1 &&
+                // if we have both a POP_MODE and a PUSH_MODE this is in-fact a "transition"
+                // So no error should occur.
+                popToken.tokenType.PUSH_MODE === undefined) {
+                // if we try to pop the last mode there lexer will no longer have ANY mode.
+                // thus the pop is ignored, an error will be created and the lexer will continue parsing in the previous mode.
+                var msg_1 = _this.config.errorMessageProvider.buildUnableToPopLexerModeMessage(popToken);
+                errors.push({
+                    offset: popToken.startOffset,
+                    line: popToken.startLine !== undefined ? popToken.startLine : undefined,
+                    column: popToken.startColumn !== undefined
+                        ? popToken.startColumn
+                        : undefined,
+                    length: popToken.image.length,
+                    message: msg_1
+                });
+            }
+            else {
+                modeStack.pop();
+                var newMode = utils_1.last(modeStack);
+                patternIdxToConfig = _this.patternIdxToConfig[newMode];
+                currCharCodeToPatternIdxToConfig = _this.charCodeToPatternIdxToConfig[newMode];
+                currModePatternsLength = patternIdxToConfig.length;
+                var modeCanBeOptimized = _this.canModeBeOptimized[newMode] && _this.config.safeMode === false;
+                if (currCharCodeToPatternIdxToConfig && modeCanBeOptimized) {
+                    getPossiblePatterns = getPossiblePatternsOptimized;
+                }
+                else {
+                    getPossiblePatterns = getPossiblePatternsSlow;
+                }
+            }
+        };
+        function push_mode(newMode) {
+            modeStack.push(newMode);
+            currCharCodeToPatternIdxToConfig = this.charCodeToPatternIdxToConfig[newMode];
+            patternIdxToConfig = this.patternIdxToConfig[newMode];
+            currModePatternsLength = patternIdxToConfig.length;
+            currModePatternsLength = patternIdxToConfig.length;
+            var modeCanBeOptimized = this.canModeBeOptimized[newMode] && this.config.safeMode === false;
+            if (currCharCodeToPatternIdxToConfig && modeCanBeOptimized) {
+                getPossiblePatterns = getPossiblePatternsOptimized;
+            }
+            else {
+                getPossiblePatterns = getPossiblePatternsSlow;
+            }
+        }
+        // this pattern seems to avoid a V8 de-optimization, although that de-optimization does not
+        // seem to matter performance wise.
+        push_mode.call(this, initialMode);
+        var currConfig;
+        while (offset < orgLength) {
+            matchedImage = null;
+            var nextCharCode = orgText.charCodeAt(offset);
+            var chosenPatternIdxToConfig = getPossiblePatterns(nextCharCode);
+            var chosenPatternsLength = chosenPatternIdxToConfig.length;
+            for (i = 0; i < chosenPatternsLength; i++) {
+                currConfig = chosenPatternIdxToConfig[i];
+                var currPattern = currConfig.pattern;
+                payload = null;
+                // manually in-lined because > 600 chars won't be in-lined in V8
+                var singleCharCode = currConfig.short;
+                if (singleCharCode !== false) {
+                    if (nextCharCode === singleCharCode) {
+                        // single character string
+                        matchedImage = currPattern;
+                    }
+                }
+                else if (currConfig.isCustom === true) {
+                    match = currPattern.exec(orgText, offset, matchedTokens, groups);
+                    if (match !== null) {
+                        matchedImage = match[0];
+                        if (match.payload !== undefined) {
+                            payload = match.payload;
+                        }
+                    }
+                    else {
+                        matchedImage = null;
+                    }
+                }
+                else {
+                    this.updateLastIndex(currPattern, offset);
+                    matchedImage = this.match(currPattern, text, offset);
+                }
+                if (matchedImage !== null) {
+                    // even though this pattern matched we must try a another longer alternative.
+                    // this can be used to prioritize keywords over identifiers
+                    longerAltIdx = currConfig.longerAlt;
+                    if (longerAltIdx !== undefined) {
+                        // TODO: micro optimize, avoid extra prop access
+                        // by saving/linking longerAlt on the original config?
+                        var longerAltConfig = patternIdxToConfig[longerAltIdx];
+                        var longerAltPattern = longerAltConfig.pattern;
+                        altPayload = null;
+                        // single Char can never be a longer alt so no need to test it.
+                        // manually in-lined because > 600 chars won't be in-lined in V8
+                        if (longerAltConfig.isCustom === true) {
+                            match = longerAltPattern.exec(orgText, offset, matchedTokens, groups);
+                            if (match !== null) {
+                                matchAltImage = match[0];
+                                if (match.payload !== undefined) {
+                                    altPayload = match.payload;
+                                }
+                            }
+                            else {
+                                matchAltImage = null;
+                            }
+                        }
+                        else {
+                            this.updateLastIndex(longerAltPattern, offset);
+                            matchAltImage = this.match(longerAltPattern, text, offset);
+                        }
+                        if (matchAltImage && matchAltImage.length > matchedImage.length) {
+                            matchedImage = matchAltImage;
+                            payload = altPayload;
+                            currConfig = longerAltConfig;
+                        }
+                    }
+                    break;
+                }
+            }
+            // successful match
+            if (matchedImage !== null) {
+                imageLength = matchedImage.length;
+                group = currConfig.group;
+                if (group !== undefined) {
+                    tokType = currConfig.tokenTypeIdx;
+                    // TODO: "offset + imageLength" and the new column may be computed twice in case of "full" location information inside
+                    // createFullToken method
+                    newToken = this.createTokenInstance(matchedImage, offset, tokType, currConfig.tokenType, line, column, imageLength);
+                    this.handlePayload(newToken, payload);
+                    // TODO: optimize NOOP in case there are no special groups?
+                    if (group === false) {
+                        matchedTokensIndex = this.addToken(matchedTokens, matchedTokensIndex, newToken);
+                    }
+                    else {
+                        groups[group].push(newToken);
+                    }
+                }
+                text = this.chopInput(text, imageLength);
+                offset = offset + imageLength;
+                // TODO: with newlines the column may be assigned twice
+                column = this.computeNewColumn(column, imageLength);
+                if (trackLines === true && currConfig.canLineTerminator === true) {
+                    var numOfLTsInMatch = 0;
+                    var foundTerminator = void 0;
+                    var lastLTEndOffset = void 0;
+                    lineTerminatorPattern.lastIndex = 0;
+                    do {
+                        foundTerminator = lineTerminatorPattern.test(matchedImage);
+                        if (foundTerminator === true) {
+                            lastLTEndOffset = lineTerminatorPattern.lastIndex - 1;
+                            numOfLTsInMatch++;
+                        }
+                    } while (foundTerminator === true);
+                    if (numOfLTsInMatch !== 0) {
+                        line = line + numOfLTsInMatch;
+                        column = imageLength - lastLTEndOffset;
+                        this.updateTokenEndLineColumnLocation(newToken, group, lastLTEndOffset, numOfLTsInMatch, line, column, imageLength);
+                    }
+                }
+                // will be NOOP if no modes present
+                this.handleModes(currConfig, pop_mode, push_mode, newToken);
+            }
+            else {
+                // error recovery, drop characters until we identify a valid token's start point
+                var errorStartOffset = offset;
+                var errorLine = line;
+                var errorColumn = column;
+                var foundResyncPoint = false;
+                while (!foundResyncPoint && offset < orgLength) {
+                    // drop chars until we succeed in matching something
+                    droppedChar = orgText.charCodeAt(offset);
+                    // Identity Func (when sticky flag is enabled)
+                    text = this.chopInput(text, 1);
+                    offset++;
+                    for (j = 0; j < currModePatternsLength; j++) {
+                        var currConfig_1 = patternIdxToConfig[j];
+                        var currPattern = currConfig_1.pattern;
+                        // manually in-lined because > 600 chars won't be in-lined in V8
+                        var singleCharCode = currConfig_1.short;
+                        if (singleCharCode !== false) {
+                            if (orgText.charCodeAt(offset) === singleCharCode) {
+                                // single character string
+                                foundResyncPoint = true;
+                            }
+                        }
+                        else if (currConfig_1.isCustom === true) {
+                            foundResyncPoint =
+                                currPattern.exec(orgText, offset, matchedTokens, groups) !==
+                                    null;
+                        }
+                        else {
+                            this.updateLastIndex(currPattern, offset);
+                            foundResyncPoint = currPattern.exec(text) !== null;
+                        }
+                        if (foundResyncPoint === true) {
+                            break;
+                        }
+                    }
+                }
+                errLength = offset - errorStartOffset;
+                // at this point we either re-synced or reached the end of the input text
+                msg = this.config.errorMessageProvider.buildUnexpectedCharactersMessage(orgText, errorStartOffset, errLength, errorLine, errorColumn);
+                errors.push({
+                    offset: errorStartOffset,
+                    line: errorLine,
+                    column: errorColumn,
+                    length: errLength,
+                    message: msg
+                });
+            }
+        }
+        // if we do have custom patterns which push directly into the
+        // TODO: custom tokens should not push directly??
+        if (!this.hasCustom) {
+            // if we guessed a too large size for the tokens array this will shrink it to the right size.
+            matchedTokens.length = matchedTokensIndex;
+        }
+        return {
+            tokens: matchedTokens,
+            groups: groups,
+            errors: errors
+        };
+    };
+    Lexer.prototype.handleModes = function (config, pop_mode, push_mode, newToken) {
+        if (config.pop === true) {
+            // need to save the PUSH_MODE property as if the mode is popped
+            // patternIdxToPopMode is updated to reflect the new mode after popping the stack
+            var pushMode = config.push;
+            pop_mode(newToken);
+            if (pushMode !== undefined) {
+                push_mode.call(this, pushMode);
+            }
+        }
+        else if (config.push !== undefined) {
+            push_mode.call(this, config.push);
+        }
+    };
+    Lexer.prototype.chopInput = function (text, length) {
+        return text.substring(length);
+    };
+    Lexer.prototype.updateLastIndex = function (regExp, newLastIndex) {
+        regExp.lastIndex = newLastIndex;
+    };
+    // TODO: decrease this under 600 characters? inspect stripping comments option in TSC compiler
+    Lexer.prototype.updateTokenEndLineColumnLocation = function (newToken, group, lastLTIdx, numOfLTsInMatch, line, column, imageLength) {
+        var lastCharIsLT, fixForEndingInLT;
+        if (group !== undefined) {
+            // a none skipped multi line Token, need to update endLine/endColumn
+            lastCharIsLT = lastLTIdx === imageLength - 1;
+            fixForEndingInLT = lastCharIsLT ? -1 : 0;
+            if (!(numOfLTsInMatch === 1 && lastCharIsLT === true)) {
+                // if a token ends in a LT that last LT only affects the line numbering of following Tokens
+                newToken.endLine = line + fixForEndingInLT;
+                // the last LT in a token does not affect the endColumn either as the [columnStart ... columnEnd)
+                // inclusive to exclusive range.
+                newToken.endColumn = column - 1 + -fixForEndingInLT;
+            }
+            // else single LT in the last character of a token, no need to modify the endLine/EndColumn
+        }
+    };
+    Lexer.prototype.computeNewColumn = function (oldColumn, imageLength) {
+        return oldColumn + imageLength;
+    };
+    // Place holder, will be replaced by the correct variant according to the locationTracking option at runtime.
+    /* istanbul ignore next - place holder */
+    Lexer.prototype.createTokenInstance = function () {
+        var args = [];
+        for (var _i = 0; _i < arguments.length; _i++) {
+            args[_i] = arguments[_i];
+        }
+        return null;
+    };
+    Lexer.prototype.createOffsetOnlyToken = function (image, startOffset, tokenTypeIdx, tokenType) {
+        return {
+            image: image,
+            startOffset: startOffset,
+            tokenTypeIdx: tokenTypeIdx,
+            tokenType: tokenType
+        };
+    };
+    Lexer.prototype.createStartOnlyToken = function (image, startOffset, tokenTypeIdx, tokenType, startLine, startColumn) {
+        return {
+            image: image,
+            startOffset: startOffset,
+            startLine: startLine,
+            startColumn: startColumn,
+            tokenTypeIdx: tokenTypeIdx,
+            tokenType: tokenType
+        };
+    };
+    Lexer.prototype.createFullToken = function (image, startOffset, tokenTypeIdx, tokenType, startLine, startColumn, imageLength) {
+        return {
+            image: image,
+            startOffset: startOffset,
+            endOffset: startOffset + imageLength - 1,
+            startLine: startLine,
+            endLine: startLine,
+            startColumn: startColumn,
+            endColumn: startColumn + imageLength - 1,
+            tokenTypeIdx: tokenTypeIdx,
+            tokenType: tokenType
+        };
+    };
+    // Place holder, will be replaced by the correct variant according to the locationTracking option at runtime.
+    /* istanbul ignore next - place holder */
+    Lexer.prototype.addToken = function (tokenVector, index, tokenToAdd) {
+        return 666;
+    };
+    Lexer.prototype.addTokenUsingPush = function (tokenVector, index, tokenToAdd) {
+        tokenVector.push(tokenToAdd);
+        return index;
+    };
+    Lexer.prototype.addTokenUsingMemberAccess = function (tokenVector, index, tokenToAdd) {
+        tokenVector[index] = tokenToAdd;
+        index++;
+        return index;
+    };
+    // Place holder, will be replaced by the correct variant according to the hasCustom flag option at runtime.
+    /* istanbul ignore next - place holder */
+    Lexer.prototype.handlePayload = function (token, payload) { };
+    Lexer.prototype.handlePayloadNoCustom = function (token, payload) { };
+    Lexer.prototype.handlePayloadWithCustom = function (token, payload) {
+        if (payload !== null) {
+            token.payload = payload;
+        }
+    };
+    /* istanbul ignore next - place holder to be replaced with chosen alternative at runtime */
+    Lexer.prototype.match = function (pattern, text, offset) {
+        return null;
+    };
+    Lexer.prototype.matchWithTest = function (pattern, text, offset) {
+        var found = pattern.test(text);
+        if (found === true) {
+            return text.substring(offset, pattern.lastIndex);
+        }
+        return null;
+    };
+    Lexer.prototype.matchWithExec = function (pattern, text) {
+        var regExpArray = pattern.exec(text);
+        return regExpArray !== null ? regExpArray[0] : regExpArray;
+    };
+    // Duplicated from the parser's perf trace trait to allow future extraction
+    // of the lexer to a separate package.
+    Lexer.prototype.TRACE_INIT = function (phaseDesc, phaseImpl) {
+        // No need to optimize this using NOOP pattern because
+        // It is not called in a hot spot...
+        if (this.traceInitPerf === true) {
+            this.traceInitIndent++;
+            var indent = new Array(this.traceInitIndent + 1).join("\t");
+            if (this.traceInitIndent < this.traceInitMaxIdent) {
+                console.log(indent + "--> <" + phaseDesc + ">");
+            }
+            var _a = utils_1.timer(phaseImpl), time = _a.time, value = _a.value;
+            /* istanbul ignore next - Difficult to reproduce specific performance behavior (>10ms) in tests */
+            var traceMethod = time > 10 ? console.warn : console.log;
+            if (this.traceInitIndent < this.traceInitMaxIdent) {
+                traceMethod(indent + "<-- <" + phaseDesc + "> time: " + time + "ms");
+            }
+            this.traceInitIndent--;
+            return value;
+        }
+        else {
+            return phaseImpl();
+        }
+    };
+    Lexer.SKIPPED = "This marks a skipped Token pattern, this means each token identified by it will" +
+        "be consumed and then thrown into oblivion, this can be used to for example to completely ignore whitespace.";
+    Lexer.NA = /NOT_APPLICABLE/;
+    return Lexer;
+}());
+exports.Lexer = Lexer;
+//# sourceMappingURL=lexer_public.js.map

node_modules/chevrotain/lib/src/scan/reg_exp.js

@@ -0,0 +1,261 @@
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.canMatchCharCode = exports.firstCharOptimizedIndices = exports.getOptimizedStartCodesIndices = exports.failedOptimizationPrefixMsg = void 0;
+var regexp_to_ast_1 = require("regexp-to-ast");
+var utils_1 = require("../utils/utils");
+var reg_exp_parser_1 = require("./reg_exp_parser");
+var lexer_1 = require("./lexer");
+var complementErrorMessage = "Complement Sets are not supported for first char optimization";
+exports.failedOptimizationPrefixMsg = 'Unable to use "first char" lexer optimizations:\n';
+function getOptimizedStartCodesIndices(regExp, ensureOptimizations) {
+    if (ensureOptimizations === void 0) { ensureOptimizations = false; }
+    try {
+        var ast = reg_exp_parser_1.getRegExpAst(regExp);
+        var firstChars = firstCharOptimizedIndices(ast.value, {}, ast.flags.ignoreCase);
+        return firstChars;
+    }
+    catch (e) {
+        /* istanbul ignore next */
+        // Testing this relies on the regexp-to-ast library having a bug... */
+        // TODO: only the else branch needs to be ignored, try to fix with newer prettier / tsc
+        if (e.message === complementErrorMessage) {
+            if (ensureOptimizations) {
+                utils_1.PRINT_WARNING("" + exports.failedOptimizationPrefixMsg +
+                    ("\tUnable to optimize: < " + regExp.toString() + " >\n") +
+                    "\tComplement Sets cannot be automatically optimized.\n" +
+                    "\tThis will disable the lexer's first char optimizations.\n" +
+                    "\tSee: https://sap.github.io/chevrotain/docs/guide/resolving_lexer_errors.html#COMPLEMENT for details.");
+            }
+        }
+        else {
+            var msgSuffix = "";
+            if (ensureOptimizations) {
+                msgSuffix =
+                    "\n\tThis will disable the lexer's first char optimizations.\n" +
+                        "\tSee: https://sap.github.io/chevrotain/docs/guide/resolving_lexer_errors.html#REGEXP_PARSING for details.";
+            }
+            utils_1.PRINT_ERROR(exports.failedOptimizationPrefixMsg + "\n" +
+                ("\tFailed parsing: < " + regExp.toString() + " >\n") +
+                ("\tUsing the regexp-to-ast library version: " + regexp_to_ast_1.VERSION + "\n") +
+                "\tPlease open an issue at: https://github.com/bd82/regexp-to-ast/issues" +
+                msgSuffix);
+        }
+    }
+    return [];
+}
+exports.getOptimizedStartCodesIndices = getOptimizedStartCodesIndices;
+function firstCharOptimizedIndices(ast, result, ignoreCase) {
+    switch (ast.type) {
+        case "Disjunction":
+            for (var i = 0; i < ast.value.length; i++) {
+                firstCharOptimizedIndices(ast.value[i], result, ignoreCase);
+            }
+            break;
+        case "Alternative":
+            var terms = ast.value;
+            for (var i = 0; i < terms.length; i++) {
+                var term = terms[i];
+                // skip terms that cannot effect the first char results
+                switch (term.type) {
+                    case "EndAnchor":
+                    // A group back reference cannot affect potential starting char.
+                    // because if a back reference is the first production than automatically
+                    // the group being referenced has had to come BEFORE so its codes have already been added
+                    case "GroupBackReference":
+                    // assertions do not affect potential starting codes
+                    case "Lookahead":
+                    case "NegativeLookahead":
+                    case "StartAnchor":
+                    case "WordBoundary":
+                    case "NonWordBoundary":
+                        continue;
+                }
+                var atom = term;
+                switch (atom.type) {
+                    case "Character":
+                        addOptimizedIdxToResult(atom.value, result, ignoreCase);
+                        break;
+                    case "Set":
+                        if (atom.complement === true) {
+                            throw Error(complementErrorMessage);
+                        }
+                        utils_1.forEach(atom.value, function (code) {
+                            if (typeof code === "number") {
+                                addOptimizedIdxToResult(code, result, ignoreCase);
+                            }
+                            else {
+                                // range
+                                var range = code;
+                                // cannot optimize when ignoreCase is
+                                if (ignoreCase === true) {
+                                    for (var rangeCode = range.from; rangeCode <= range.to; rangeCode++) {
+                                        addOptimizedIdxToResult(rangeCode, result, ignoreCase);
+                                    }
+                                }
+                                // Optimization (2 orders of magnitude less work for very large ranges)
+                                else {
+                                    // handle unoptimized values
+                                    for (var rangeCode = range.from; rangeCode <= range.to && rangeCode < lexer_1.minOptimizationVal; rangeCode++) {
+                                        addOptimizedIdxToResult(rangeCode, result, ignoreCase);
+                                    }
+                                    // Less common charCode where we optimize for faster init time, by using larger "buckets"
+                                    if (range.to >= lexer_1.minOptimizationVal) {
+                                        var minUnOptVal = range.from >= lexer_1.minOptimizationVal
+                                            ? range.from
+                                            : lexer_1.minOptimizationVal;
+                                        var maxUnOptVal = range.to;
+                                        var minOptIdx = lexer_1.charCodeToOptimizedIndex(minUnOptVal);
+                                        var maxOptIdx = lexer_1.charCodeToOptimizedIndex(maxUnOptVal);
+                                        for (var currOptIdx = minOptIdx; currOptIdx <= maxOptIdx; currOptIdx++) {
+                                            result[currOptIdx] = currOptIdx;
+                                        }
+                                    }
+                                }
+                            }
+                        });
+                        break;
+                    case "Group":
+                        firstCharOptimizedIndices(atom.value, result, ignoreCase);
+                        break;
+                    /* istanbul ignore next */
+                    default:
+                        throw Error("Non Exhaustive Match");
+                }
+                // reached a mandatory production, no more **start** codes can be found on this alternative
+                var isOptionalQuantifier = atom.quantifier !== undefined && atom.quantifier.atLeast === 0;
+                if (
+                // A group may be optional due to empty contents /(?:)/
+                // or if everything inside it is optional /((a)?)/
+                (atom.type === "Group" && isWholeOptional(atom) === false) ||
+                    // If this term is not a group it may only be optional if it has an optional quantifier
+                    (atom.type !== "Group" && isOptionalQuantifier === false)) {
+                    break;
+                }
+            }
+            break;
+        /* istanbul ignore next */
+        default:
+            throw Error("non exhaustive match!");
+    }
+    // console.log(Object.keys(result).length)
+    return utils_1.values(result);
+}
+exports.firstCharOptimizedIndices = firstCharOptimizedIndices;
+function addOptimizedIdxToResult(code, result, ignoreCase) {
+    var optimizedCharIdx = lexer_1.charCodeToOptimizedIndex(code);
+    result[optimizedCharIdx] = optimizedCharIdx;
+    if (ignoreCase === true) {
+        handleIgnoreCase(code, result);
+    }
+}
+function handleIgnoreCase(code, result) {
+    var char = String.fromCharCode(code);
+    var upperChar = char.toUpperCase();
+    /* istanbul ignore else */
+    if (upperChar !== char) {
+        var optimizedCharIdx = lexer_1.charCodeToOptimizedIndex(upperChar.charCodeAt(0));
+        result[optimizedCharIdx] = optimizedCharIdx;
+    }
+    else {
+        var lowerChar = char.toLowerCase();
+        if (lowerChar !== char) {
+            var optimizedCharIdx = lexer_1.charCodeToOptimizedIndex(lowerChar.charCodeAt(0));
+            result[optimizedCharIdx] = optimizedCharIdx;
+        }
+    }
+}
+function findCode(setNode, targetCharCodes) {
+    return utils_1.find(setNode.value, function (codeOrRange) {
+        if (typeof codeOrRange === "number") {
+            return utils_1.contains(targetCharCodes, codeOrRange);
+        }
+        else {
+            // range
+            var range_1 = codeOrRange;
+            return (utils_1.find(targetCharCodes, function (targetCode) { return range_1.from <= targetCode && targetCode <= range_1.to; }) !== undefined);
+        }
+    });
+}
+function isWholeOptional(ast) {
+    if (ast.quantifier && ast.quantifier.atLeast === 0) {
+        return true;
+    }
+    if (!ast.value) {
+        return false;
+    }
+    return utils_1.isArray(ast.value)
+        ? utils_1.every(ast.value, isWholeOptional)
+        : isWholeOptional(ast.value);
+}
+var CharCodeFinder = /** @class */ (function (_super) {
+    __extends(CharCodeFinder, _super);
+    function CharCodeFinder(targetCharCodes) {
+        var _this = _super.call(this) || this;
+        _this.targetCharCodes = targetCharCodes;
+        _this.found = false;
+        return _this;
+    }
+    CharCodeFinder.prototype.visitChildren = function (node) {
+        // No need to keep looking...
+        if (this.found === true) {
+            return;
+        }
+        // switch lookaheads as they do not actually consume any characters thus
+        // finding a charCode at lookahead context does not mean that regexp can actually contain it in a match.
+        switch (node.type) {
+            case "Lookahead":
+                this.visitLookahead(node);
+                return;
+            case "NegativeLookahead":
+                this.visitNegativeLookahead(node);
+                return;
+        }
+        _super.prototype.visitChildren.call(this, node);
+    };
+    CharCodeFinder.prototype.visitCharacter = function (node) {
+        if (utils_1.contains(this.targetCharCodes, node.value)) {
+            this.found = true;
+        }
+    };
+    CharCodeFinder.prototype.visitSet = function (node) {
+        if (node.complement) {
+            if (findCode(node, this.targetCharCodes) === undefined) {
+                this.found = true;
+            }
+        }
+        else {
+            if (findCode(node, this.targetCharCodes) !== undefined) {
+                this.found = true;
+            }
+        }
+    };
+    return CharCodeFinder;
+}(regexp_to_ast_1.BaseRegExpVisitor));
+function canMatchCharCode(charCodes, pattern) {
+    if (pattern instanceof RegExp) {
+        var ast = reg_exp_parser_1.getRegExpAst(pattern);
+        var charCodeFinder = new CharCodeFinder(charCodes);
+        charCodeFinder.visit(ast);
+        return charCodeFinder.found;
+    }
+    else {
+        return (utils_1.find(pattern, function (char) {
+            return utils_1.contains(charCodes, char.charCodeAt(0));
+        }) !== undefined);
+    }
+}
+exports.canMatchCharCode = canMatchCharCode;
+//# sourceMappingURL=reg_exp.js.map

node_modules/chevrotain/lib/src/scan/reg_exp_parser.js

@@ -0,0 +1,23 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.clearRegExpParserCache = exports.getRegExpAst = void 0;
+var regexp_to_ast_1 = require("regexp-to-ast");
+var regExpAstCache = {};
+var regExpParser = new regexp_to_ast_1.RegExpParser();
+function getRegExpAst(regExp) {
+    var regExpStr = regExp.toString();
+    if (regExpAstCache.hasOwnProperty(regExpStr)) {
+        return regExpAstCache[regExpStr];
+    }
+    else {
+        var regExpAst = regExpParser.pattern(regExpStr);
+        regExpAstCache[regExpStr] = regExpAst;
+        return regExpAst;
+    }
+}
+exports.getRegExpAst = getRegExpAst;
+function clearRegExpParserCache() {
+    regExpAstCache = {};
+}
+exports.clearRegExpParserCache = clearRegExpParserCache;
+//# sourceMappingURL=reg_exp_parser.js.map

node_modules/chevrotain/lib/src/scan/reg_exp_parser.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"reg_exp_parser.js","sourceRoot":"","sources":["../../../src/scan/reg_exp_parser.ts"],"names":[],"mappings":";;;AAAA,+CAA2D;AAE3D,IAAI,cAAc,GAAG,EAAE,CAAA;AACvB,IAAM,YAAY,GAAG,IAAI,4BAAY,EAAE,CAAA;AAEvC,SAAgB,YAAY,CAAC,MAAc;IACzC,IAAM,SAAS,GAAG,MAAM,CAAC,QAAQ,EAAE,CAAA;IACnC,IAAI,cAAc,CAAC,cAAc,CAAC,SAAS,CAAC,EAAE;QAC5C,OAAO,cAAc,CAAC,SAAS,CAAC,CAAA;KACjC;SAAM;QACL,IAAM,SAAS,GAAG,YAAY,CAAC,OAAO,CAAC,SAAS,CAAC,CAAA;QACjD,cAAc,CAAC,SAAS,CAAC,GAAG,SAAS,CAAA;QACrC,OAAO,SAAS,CAAA;KACjB;AACH,CAAC;AATD,oCASC;AAED,SAAgB,sBAAsB;IACpC,cAAc,GAAG,EAAE,CAAA;AACrB,CAAC;AAFD,wDAEC"}

node_modules/chevrotain/lib/src/scan/tokens.js

@@ -0,0 +1,130 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.isTokenType = exports.hasExtendingTokensTypesMapProperty = exports.hasExtendingTokensTypesProperty = exports.hasCategoriesProperty = exports.hasShortKeyProperty = exports.singleAssignCategoriesToksMap = exports.assignCategoriesMapProp = exports.assignCategoriesTokensProp = exports.assignTokenDefaultProps = exports.expandCategories = exports.augmentTokenTypes = exports.tokenIdxToClass = exports.tokenShortNameIdx = exports.tokenStructuredMatcherNoCategories = exports.tokenStructuredMatcher = void 0;
+var utils_1 = require("../utils/utils");
+function tokenStructuredMatcher(tokInstance, tokConstructor) {
+    var instanceType = tokInstance.tokenTypeIdx;
+    if (instanceType === tokConstructor.tokenTypeIdx) {
+        return true;
+    }
+    else {
+        return (tokConstructor.isParent === true &&
+            tokConstructor.categoryMatchesMap[instanceType] === true);
+    }
+}
+exports.tokenStructuredMatcher = tokenStructuredMatcher;
+// Optimized tokenMatcher in case our grammar does not use token categories
+// Being so tiny it is much more likely to be in-lined and this avoid the function call overhead
+function tokenStructuredMatcherNoCategories(token, tokType) {
+    return token.tokenTypeIdx === tokType.tokenTypeIdx;
+}
+exports.tokenStructuredMatcherNoCategories = tokenStructuredMatcherNoCategories;
+exports.tokenShortNameIdx = 1;
+exports.tokenIdxToClass = {};
+function augmentTokenTypes(tokenTypes) {
+    // collect the parent Token Types as well.
+    var tokenTypesAndParents = expandCategories(tokenTypes);
+    // add required tokenType and categoryMatches properties
+    assignTokenDefaultProps(tokenTypesAndParents);
+    // fill up the categoryMatches
+    assignCategoriesMapProp(tokenTypesAndParents);
+    assignCategoriesTokensProp(tokenTypesAndParents);
+    utils_1.forEach(tokenTypesAndParents, function (tokType) {
+        tokType.isParent = tokType.categoryMatches.length > 0;
+    });
+}
+exports.augmentTokenTypes = augmentTokenTypes;
+function expandCategories(tokenTypes) {
+    var result = utils_1.cloneArr(tokenTypes);
+    var categories = tokenTypes;
+    var searching = true;
+    while (searching) {
+        categories = utils_1.compact(utils_1.flatten(utils_1.map(categories, function (currTokType) { return currTokType.CATEGORIES; })));
+        var newCategories = utils_1.difference(categories, result);
+        result = result.concat(newCategories);
+        if (utils_1.isEmpty(newCategories)) {
+            searching = false;
+        }
+        else {
+            categories = newCategories;
+        }
+    }
+    return result;
+}
+exports.expandCategories = expandCategories;
+function assignTokenDefaultProps(tokenTypes) {
+    utils_1.forEach(tokenTypes, function (currTokType) {
+        if (!hasShortKeyProperty(currTokType)) {
+            exports.tokenIdxToClass[exports.tokenShortNameIdx] = currTokType;
+            currTokType.tokenTypeIdx = exports.tokenShortNameIdx++;
+        }
+        // CATEGORIES? : TokenType | TokenType[]
+        if (hasCategoriesProperty(currTokType) &&
+            !utils_1.isArray(currTokType.CATEGORIES)
+        // &&
+        // !isUndefined(currTokType.CATEGORIES.PATTERN)
+        ) {
+            currTokType.CATEGORIES = [currTokType.CATEGORIES];
+        }
+        if (!hasCategoriesProperty(currTokType)) {
+            currTokType.CATEGORIES = [];
+        }
+        if (!hasExtendingTokensTypesProperty(currTokType)) {
+            currTokType.categoryMatches = [];
+        }
+        if (!hasExtendingTokensTypesMapProperty(currTokType)) {
+            currTokType.categoryMatchesMap = {};
+        }
+    });
+}
+exports.assignTokenDefaultProps = assignTokenDefaultProps;
+function assignCategoriesTokensProp(tokenTypes) {
+    utils_1.forEach(tokenTypes, function (currTokType) {
+        // avoid duplications
+        currTokType.categoryMatches = [];
+        utils_1.forEach(currTokType.categoryMatchesMap, function (val, key) {
+            currTokType.categoryMatches.push(exports.tokenIdxToClass[key].tokenTypeIdx);
+        });
+    });
+}
+exports.assignCategoriesTokensProp = assignCategoriesTokensProp;
+function assignCategoriesMapProp(tokenTypes) {
+    utils_1.forEach(tokenTypes, function (currTokType) {
+        singleAssignCategoriesToksMap([], currTokType);
+    });
+}
+exports.assignCategoriesMapProp = assignCategoriesMapProp;
+function singleAssignCategoriesToksMap(path, nextNode) {
+    utils_1.forEach(path, function (pathNode) {
+        nextNode.categoryMatchesMap[pathNode.tokenTypeIdx] = true;
+    });
+    utils_1.forEach(nextNode.CATEGORIES, function (nextCategory) {
+        var newPath = path.concat(nextNode);
+        // avoids infinite loops due to cyclic categories.
+        if (!utils_1.contains(newPath, nextCategory)) {
+            singleAssignCategoriesToksMap(newPath, nextCategory);
+        }
+    });
+}
+exports.singleAssignCategoriesToksMap = singleAssignCategoriesToksMap;
+function hasShortKeyProperty(tokType) {
+    return utils_1.has(tokType, "tokenTypeIdx");
+}
+exports.hasShortKeyProperty = hasShortKeyProperty;
+function hasCategoriesProperty(tokType) {
+    return utils_1.has(tokType, "CATEGORIES");
+}
+exports.hasCategoriesProperty = hasCategoriesProperty;
+function hasExtendingTokensTypesProperty(tokType) {
+    return utils_1.has(tokType, "categoryMatches");
+}
+exports.hasExtendingTokensTypesProperty = hasExtendingTokensTypesProperty;
+function hasExtendingTokensTypesMapProperty(tokType) {
+    return utils_1.has(tokType, "categoryMatchesMap");
+}
+exports.hasExtendingTokensTypesMapProperty = hasExtendingTokensTypesMapProperty;
+function isTokenType(tokType) {
+    return utils_1.has(tokType, "tokenTypeIdx");
+}
+exports.isTokenType = isTokenType;
+//# sourceMappingURL=tokens.js.map

node_modules/chevrotain/lib/src/scan/tokens.js.map

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node_modules/chevrotain/lib/src/scan/tokens_constants.js

@@ -0,0 +1,5 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.EOF_TOKEN_TYPE = void 0;
+exports.EOF_TOKEN_TYPE = 1;
+//# sourceMappingURL=tokens_constants.js.map

node_modules/chevrotain/lib/src/scan/tokens_constants.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"tokens_constants.js","sourceRoot":"","sources":["../../../src/scan/tokens_constants.ts"],"names":[],"mappings":";;;AAAa,QAAA,cAAc,GAAG,CAAC,CAAA"}

node_modules/chevrotain/lib/src/scan/tokens_public.js

@@ -0,0 +1,96 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.tokenMatcher = exports.createTokenInstance = exports.EOF = exports.createToken = exports.hasTokenLabel = exports.tokenName = exports.tokenLabel = void 0;
+var utils_1 = require("../utils/utils");
+var lexer_public_1 = require("./lexer_public");
+var tokens_1 = require("./tokens");
+function tokenLabel(tokType) {
+    if (hasTokenLabel(tokType)) {
+        return tokType.LABEL;
+    }
+    else {
+        return tokType.name;
+    }
+}
+exports.tokenLabel = tokenLabel;
+function tokenName(tokType) {
+    return tokType.name;
+}
+exports.tokenName = tokenName;
+function hasTokenLabel(obj) {
+    return utils_1.isString(obj.LABEL) && obj.LABEL !== "";
+}
+exports.hasTokenLabel = hasTokenLabel;
+var PARENT = "parent";
+var CATEGORIES = "categories";
+var LABEL = "label";
+var GROUP = "group";
+var PUSH_MODE = "push_mode";
+var POP_MODE = "pop_mode";
+var LONGER_ALT = "longer_alt";
+var LINE_BREAKS = "line_breaks";
+var START_CHARS_HINT = "start_chars_hint";
+function createToken(config) {
+    return createTokenInternal(config);
+}
+exports.createToken = createToken;
+function createTokenInternal(config) {
+    var pattern = config.pattern;
+    var tokenType = {};
+    tokenType.name = config.name;
+    if (!utils_1.isUndefined(pattern)) {
+        tokenType.PATTERN = pattern;
+    }
+    if (utils_1.has(config, PARENT)) {
+        throw ("The parent property is no longer supported.\n" +
+            "See: https://github.com/SAP/chevrotain/issues/564#issuecomment-349062346 for details.");
+    }
+    if (utils_1.has(config, CATEGORIES)) {
+        // casting to ANY as this will be fixed inside `augmentTokenTypes``
+        tokenType.CATEGORIES = config[CATEGORIES];
+    }
+    tokens_1.augmentTokenTypes([tokenType]);
+    if (utils_1.has(config, LABEL)) {
+        tokenType.LABEL = config[LABEL];
+    }
+    if (utils_1.has(config, GROUP)) {
+        tokenType.GROUP = config[GROUP];
+    }
+    if (utils_1.has(config, POP_MODE)) {
+        tokenType.POP_MODE = config[POP_MODE];
+    }
+    if (utils_1.has(config, PUSH_MODE)) {
+        tokenType.PUSH_MODE = config[PUSH_MODE];
+    }
+    if (utils_1.has(config, LONGER_ALT)) {
+        tokenType.LONGER_ALT = config[LONGER_ALT];
+    }
+    if (utils_1.has(config, LINE_BREAKS)) {
+        tokenType.LINE_BREAKS = config[LINE_BREAKS];
+    }
+    if (utils_1.has(config, START_CHARS_HINT)) {
+        tokenType.START_CHARS_HINT = config[START_CHARS_HINT];
+    }
+    return tokenType;
+}
+exports.EOF = createToken({ name: "EOF", pattern: lexer_public_1.Lexer.NA });
+tokens_1.augmentTokenTypes([exports.EOF]);
+function createTokenInstance(tokType, image, startOffset, endOffset, startLine, endLine, startColumn, endColumn) {
+    return {
+        image: image,
+        startOffset: startOffset,
+        endOffset: endOffset,
+        startLine: startLine,
+        endLine: endLine,
+        startColumn: startColumn,
+        endColumn: endColumn,
+        tokenTypeIdx: tokType.tokenTypeIdx,
+        tokenType: tokType
+    };
+}
+exports.createTokenInstance = createTokenInstance;
+function tokenMatcher(token, tokType) {
+    return tokens_1.tokenStructuredMatcher(token, tokType);
+}
+exports.tokenMatcher = tokenMatcher;
+//# sourceMappingURL=tokens_public.js.map

node_modules/chevrotain/lib/src/scan/tokens_public.js.map

@@ -0,0 +1 @@
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node_modules/chevrotain/lib/src/text/range.js

@@ -0,0 +1,34 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.isValidRange = exports.Range = void 0;
+var Range = /** @class */ (function () {
+    function Range(start, end) {
+        this.start = start;
+        this.end = end;
+        if (!isValidRange(start, end)) {
+            throw new Error("INVALID RANGE");
+        }
+    }
+    Range.prototype.contains = function (num) {
+        return this.start <= num && this.end >= num;
+    };
+    Range.prototype.containsRange = function (other) {
+        return this.start <= other.start && this.end >= other.end;
+    };
+    Range.prototype.isContainedInRange = function (other) {
+        return other.containsRange(this);
+    };
+    Range.prototype.strictlyContainsRange = function (other) {
+        return this.start < other.start && this.end > other.end;
+    };
+    Range.prototype.isStrictlyContainedInRange = function (other) {
+        return other.strictlyContainsRange(this);
+    };
+    return Range;
+}());
+exports.Range = Range;
+function isValidRange(start, end) {
+    return !(start < 0 || end < start);
+}
+exports.isValidRange = isValidRange;
+//# sourceMappingURL=range.js.map

node_modules/chevrotain/lib/src/text/range.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"range.js","sourceRoot":"","sources":["../../../src/text/range.ts"],"names":[],"mappings":";;;AAeA;IACE,eAAmB,KAAa,EAAS,GAAW;QAAjC,UAAK,GAAL,KAAK,CAAQ;QAAS,QAAG,GAAH,GAAG,CAAQ;QAClD,IAAI,CAAC,YAAY,CAAC,KAAK,EAAE,GAAG,CAAC,EAAE;YAC7B,MAAM,IAAI,KAAK,CAAC,eAAe,CAAC,CAAA;SACjC;IACH,CAAC;IAED,wBAAQ,GAAR,UAAS,GAAW;QAClB,OAAO,IAAI,CAAC,KAAK,IAAI,GAAG,IAAI,IAAI,CAAC,GAAG,IAAI,GAAG,CAAA;IAC7C,CAAC;IAED,6BAAa,GAAb,UAAc,KAAa;QACzB,OAAO,IAAI,CAAC,KAAK,IAAI,KAAK,CAAC,KAAK,IAAI,IAAI,CAAC,GAAG,IAAI,KAAK,CAAC,GAAG,CAAA;IAC3D,CAAC;IAED,kCAAkB,GAAlB,UAAmB,KAAa;QAC9B,OAAO,KAAK,CAAC,aAAa,CAAC,IAAI,CAAC,CAAA;IAClC,CAAC;IAED,qCAAqB,GAArB,UAAsB,KAAa;QACjC,OAAO,IAAI,CAAC,KAAK,GAAG,KAAK,CAAC,KAAK,IAAI,IAAI,CAAC,GAAG,GAAG,KAAK,CAAC,GAAG,CAAA;IACzD,CAAC;IAED,0CAA0B,GAA1B,UAA2B,KAAa;QACtC,OAAO,KAAK,CAAC,qBAAqB,CAAC,IAAI,CAAC,CAAA;IAC1C,CAAC;IACH,YAAC;AAAD,CAAC,AA1BD,IA0BC;AA1BY,sBAAK;AA4BlB,SAAgB,YAAY,CAAC,KAAa,EAAE,GAAW;IACrD,OAAO,CAAC,CAAC,KAAK,GAAG,CAAC,IAAI,GAAG,GAAG,KAAK,CAAC,CAAA;AACpC,CAAC;AAFD,oCAEC"}

node_modules/chevrotain/lib/src/utils/utils.js

@@ -0,0 +1,472 @@
+"use strict";
+/*
+ Utils using lodash style API. (not necessarily 100% compliant) for functional and other utils.
+ These utils should replace usage of lodash in the production code base. not because they are any better...
+ but for the purpose of being a dependency free library.
+
+ The hotspots in the code are already written in imperative style for performance reasons.
+ so writing several dozen utils which may be slower than the original lodash, does not matter as much
+ considering they will not be invoked in hotspots...
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.peek = exports.toFastProperties = exports.applyMixins = exports.isES2015MapSupported = exports.PRINT_WARNING = exports.PRINT_ERROR = exports.packArray = exports.IDENTITY = exports.NOOP = exports.merge = exports.groupBy = exports.defaults = exports.assignNoOverwrite = exports.assign = exports.zipObject = exports.sortBy = exports.indexOf = exports.some = exports.difference = exports.every = exports.isObject = exports.isRegExp = exports.isArray = exports.partial = exports.uniq = exports.compact = exports.reduce = exports.findAll = exports.find = exports.cloneObj = exports.cloneArr = exports.contains = exports.has = exports.pick = exports.reject = exports.filter = exports.dropRight = exports.drop = exports.isFunction = exports.isUndefined = exports.isString = exports.forEach = exports.last = exports.first = exports.flatten = exports.map = exports.mapValues = exports.values = exports.keys = exports.isEmpty = void 0;
+exports.timer = void 0;
+function isEmpty(arr) {
+    return arr && arr.length === 0;
+}
+exports.isEmpty = isEmpty;
+function keys(obj) {
+    if (obj === undefined || obj === null) {
+        return [];
+    }
+    return Object.keys(obj);
+}
+exports.keys = keys;
+function values(obj) {
+    var vals = [];
+    var keys = Object.keys(obj);
+    for (var i = 0; i < keys.length; i++) {
+        vals.push(obj[keys[i]]);
+    }
+    return vals;
+}
+exports.values = values;
+function mapValues(obj, callback) {
+    var result = [];
+    var objKeys = keys(obj);
+    for (var idx = 0; idx < objKeys.length; idx++) {
+        var currKey = objKeys[idx];
+        result.push(callback.call(null, obj[currKey], currKey));
+    }
+    return result;
+}
+exports.mapValues = mapValues;
+function map(arr, callback) {
+    var result = [];
+    for (var idx = 0; idx < arr.length; idx++) {
+        result.push(callback.call(null, arr[idx], idx));
+    }
+    return result;
+}
+exports.map = map;
+function flatten(arr) {
+    var result = [];
+    for (var idx = 0; idx < arr.length; idx++) {
+        var currItem = arr[idx];
+        if (Array.isArray(currItem)) {
+            result = result.concat(flatten(currItem));
+        }
+        else {
+            result.push(currItem);
+        }
+    }
+    return result;
+}
+exports.flatten = flatten;
+function first(arr) {
+    return isEmpty(arr) ? undefined : arr[0];
+}
+exports.first = first;
+function last(arr) {
+    var len = arr && arr.length;
+    return len ? arr[len - 1] : undefined;
+}
+exports.last = last;
+function forEach(collection, iteratorCallback) {
+    /* istanbul ignore else */
+    if (Array.isArray(collection)) {
+        for (var i = 0; i < collection.length; i++) {
+            iteratorCallback.call(null, collection[i], i);
+        }
+    }
+    else if (isObject(collection)) {
+        var colKeys = keys(collection);
+        for (var i = 0; i < colKeys.length; i++) {
+            var key = colKeys[i];
+            var value = collection[key];
+            iteratorCallback.call(null, value, key);
+        }
+    }
+    else {
+        throw Error("non exhaustive match");
+    }
+}
+exports.forEach = forEach;
+function isString(item) {
+    return typeof item === "string";
+}
+exports.isString = isString;
+function isUndefined(item) {
+    return item === undefined;
+}
+exports.isUndefined = isUndefined;
+function isFunction(item) {
+    return item instanceof Function;
+}
+exports.isFunction = isFunction;
+function drop(arr, howMuch) {
+    if (howMuch === void 0) { howMuch = 1; }
+    return arr.slice(howMuch, arr.length);
+}
+exports.drop = drop;
+function dropRight(arr, howMuch) {
+    if (howMuch === void 0) { howMuch = 1; }
+    return arr.slice(0, arr.length - howMuch);
+}
+exports.dropRight = dropRight;
+function filter(arr, predicate) {
+    var result = [];
+    if (Array.isArray(arr)) {
+        for (var i = 0; i < arr.length; i++) {
+            var item = arr[i];
+            if (predicate.call(null, item)) {
+                result.push(item);
+            }
+        }
+    }
+    return result;
+}
+exports.filter = filter;
+function reject(arr, predicate) {
+    return filter(arr, function (item) { return !predicate(item); });
+}
+exports.reject = reject;
+function pick(obj, predicate) {
+    var keys = Object.keys(obj);
+    var result = {};
+    for (var i = 0; i < keys.length; i++) {
+        var currKey = keys[i];
+        var currItem = obj[currKey];
+        if (predicate(currItem)) {
+            result[currKey] = currItem;
+        }
+    }
+    return result;
+}
+exports.pick = pick;
+function has(obj, prop) {
+    if (isObject(obj)) {
+        return obj.hasOwnProperty(prop);
+    }
+    return false;
+}
+exports.has = has;
+function contains(arr, item) {
+    return find(arr, function (currItem) { return currItem === item; }) !== undefined ? true : false;
+}
+exports.contains = contains;
+/**
+ * shallow clone
+ */
+function cloneArr(arr) {
+    var newArr = [];
+    for (var i = 0; i < arr.length; i++) {
+        newArr.push(arr[i]);
+    }
+    return newArr;
+}
+exports.cloneArr = cloneArr;
+/**
+ * shallow clone
+ */
+function cloneObj(obj) {
+    var clonedObj = {};
+    for (var key in obj) {
+        /* istanbul ignore else */
+        if (Object.prototype.hasOwnProperty.call(obj, key)) {
+            clonedObj[key] = obj[key];
+        }
+    }
+    return clonedObj;
+}
+exports.cloneObj = cloneObj;
+function find(arr, predicate) {
+    for (var i = 0; i < arr.length; i++) {
+        var item = arr[i];
+        if (predicate.call(null, item)) {
+            return item;
+        }
+    }
+    return undefined;
+}
+exports.find = find;
+function findAll(arr, predicate) {
+    var found = [];
+    for (var i = 0; i < arr.length; i++) {
+        var item = arr[i];
+        if (predicate.call(null, item)) {
+            found.push(item);
+        }
+    }
+    return found;
+}
+exports.findAll = findAll;
+function reduce(arrOrObj, iterator, initial) {
+    var isArr = Array.isArray(arrOrObj);
+    var vals = isArr ? arrOrObj : values(arrOrObj);
+    var objKeys = isArr ? [] : keys(arrOrObj);
+    var accumulator = initial;
+    for (var i = 0; i < vals.length; i++) {
+        accumulator = iterator.call(null, accumulator, vals[i], isArr ? i : objKeys[i]);
+    }
+    return accumulator;
+}
+exports.reduce = reduce;
+function compact(arr) {
+    return reject(arr, function (item) { return item === null || item === undefined; });
+}
+exports.compact = compact;
+function uniq(arr, identity) {
+    if (identity === void 0) { identity = function (item) { return item; }; }
+    var identities = [];
+    return reduce(arr, function (result, currItem) {
+        var currIdentity = identity(currItem);
+        if (contains(identities, currIdentity)) {
+            return result;
+        }
+        else {
+            identities.push(currIdentity);
+            return result.concat(currItem);
+        }
+    }, []);
+}
+exports.uniq = uniq;
+function partial(func) {
+    var restArgs = [];
+    for (var _i = 1; _i < arguments.length; _i++) {
+        restArgs[_i - 1] = arguments[_i];
+    }
+    var firstArg = [null];
+    var allArgs = firstArg.concat(restArgs);
+    return Function.bind.apply(func, allArgs);
+}
+exports.partial = partial;
+function isArray(obj) {
+    return Array.isArray(obj);
+}
+exports.isArray = isArray;
+function isRegExp(obj) {
+    return obj instanceof RegExp;
+}
+exports.isRegExp = isRegExp;
+function isObject(obj) {
+    return obj instanceof Object;
+}
+exports.isObject = isObject;
+function every(arr, predicate) {
+    for (var i = 0; i < arr.length; i++) {
+        if (!predicate(arr[i], i)) {
+            return false;
+        }
+    }
+    return true;
+}
+exports.every = every;
+function difference(arr, values) {
+    return reject(arr, function (item) { return contains(values, item); });
+}
+exports.difference = difference;
+function some(arr, predicate) {
+    for (var i = 0; i < arr.length; i++) {
+        if (predicate(arr[i])) {
+            return true;
+        }
+    }
+    return false;
+}
+exports.some = some;
+function indexOf(arr, value) {
+    for (var i = 0; i < arr.length; i++) {
+        if (arr[i] === value) {
+            return i;
+        }
+    }
+    return -1;
+}
+exports.indexOf = indexOf;
+function sortBy(arr, orderFunc) {
+    var result = cloneArr(arr);
+    result.sort(function (a, b) { return orderFunc(a) - orderFunc(b); });
+    return result;
+}
+exports.sortBy = sortBy;
+function zipObject(keys, values) {
+    if (keys.length !== values.length) {
+        throw Error("can't zipObject with different number of keys and values!");
+    }
+    var result = {};
+    for (var i = 0; i < keys.length; i++) {
+        result[keys[i]] = values[i];
+    }
+    return result;
+}
+exports.zipObject = zipObject;
+/**
+ * mutates! (and returns) target
+ */
+function assign(target) {
+    var sources = [];
+    for (var _i = 1; _i < arguments.length; _i++) {
+        sources[_i - 1] = arguments[_i];
+    }
+    for (var i = 0; i < sources.length; i++) {
+        var curSource = sources[i];
+        var currSourceKeys = keys(curSource);
+        for (var j = 0; j < currSourceKeys.length; j++) {
+            var currKey = currSourceKeys[j];
+            target[currKey] = curSource[currKey];
+        }
+    }
+    return target;
+}
+exports.assign = assign;
+/**
+ * mutates! (and returns) target
+ */
+function assignNoOverwrite(target) {
+    var sources = [];
+    for (var _i = 1; _i < arguments.length; _i++) {
+        sources[_i - 1] = arguments[_i];
+    }
+    for (var i = 0; i < sources.length; i++) {
+        var curSource = sources[i];
+        var currSourceKeys = keys(curSource);
+        for (var j = 0; j < currSourceKeys.length; j++) {
+            var currKey = currSourceKeys[j];
+            if (!has(target, currKey)) {
+                target[currKey] = curSource[currKey];
+            }
+        }
+    }
+    return target;
+}
+exports.assignNoOverwrite = assignNoOverwrite;
+function defaults() {
+    var sources = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+        sources[_i] = arguments[_i];
+    }
+    return assignNoOverwrite.apply(null, [{}].concat(sources));
+}
+exports.defaults = defaults;
+function groupBy(arr, groupKeyFunc) {
+    var result = {};
+    forEach(arr, function (item) {
+        var currGroupKey = groupKeyFunc(item);
+        var currGroupArr = result[currGroupKey];
+        if (currGroupArr) {
+            currGroupArr.push(item);
+        }
+        else {
+            result[currGroupKey] = [item];
+        }
+    });
+    return result;
+}
+exports.groupBy = groupBy;
+/**
+ * Merge obj2 into obj1.
+ * Will overwrite existing properties with the same name
+ */
+function merge(obj1, obj2) {
+    var result = cloneObj(obj1);
+    var keys2 = keys(obj2);
+    for (var i = 0; i < keys2.length; i++) {
+        var key = keys2[i];
+        var value = obj2[key];
+        result[key] = value;
+    }
+    return result;
+}
+exports.merge = merge;
+function NOOP() { }
+exports.NOOP = NOOP;
+function IDENTITY(item) {
+    return item;
+}
+exports.IDENTITY = IDENTITY;
+/**
+ * Will return a new packed array with same values.
+ */
+function packArray(holeyArr) {
+    var result = [];
+    for (var i = 0; i < holeyArr.length; i++) {
+        var orgValue = holeyArr[i];
+        result.push(orgValue !== undefined ? orgValue : undefined);
+    }
+    return result;
+}
+exports.packArray = packArray;
+function PRINT_ERROR(msg) {
+    /* istanbul ignore else - can't override global.console in node.js */
+    if (console && console.error) {
+        console.error("Error: " + msg);
+    }
+}
+exports.PRINT_ERROR = PRINT_ERROR;
+function PRINT_WARNING(msg) {
+    /* istanbul ignore else - can't override global.console in node.js*/
+    if (console && console.warn) {
+        // TODO: modify docs accordingly
+        console.warn("Warning: " + msg);
+    }
+}
+exports.PRINT_WARNING = PRINT_WARNING;
+function isES2015MapSupported() {
+    return typeof Map === "function";
+}
+exports.isES2015MapSupported = isES2015MapSupported;
+function applyMixins(derivedCtor, baseCtors) {
+    baseCtors.forEach(function (baseCtor) {
+        var baseProto = baseCtor.prototype;
+        Object.getOwnPropertyNames(baseProto).forEach(function (propName) {
+            if (propName === "constructor") {
+                return;
+            }
+            var basePropDescriptor = Object.getOwnPropertyDescriptor(baseProto, propName);
+            // Handle Accessors
+            if (basePropDescriptor &&
+                (basePropDescriptor.get || basePropDescriptor.set)) {
+                Object.defineProperty(derivedCtor.prototype, propName, basePropDescriptor);
+            }
+            else {
+                derivedCtor.prototype[propName] = baseCtor.prototype[propName];
+            }
+        });
+    });
+}
+exports.applyMixins = applyMixins;
+// base on: https://github.com/petkaantonov/bluebird/blob/b97c0d2d487e8c5076e8bd897e0dcd4622d31846/src/util.js#L201-L216
+function toFastProperties(toBecomeFast) {
+    function FakeConstructor() { }
+    // If our object is used as a constructor it would receive
+    FakeConstructor.prototype = toBecomeFast;
+    var fakeInstance = new FakeConstructor();
+    function fakeAccess() {
+        return typeof fakeInstance.bar;
+    }
+    // help V8 understand this is a "real" prototype by actually using
+    // the fake instance.
+    fakeAccess();
+    fakeAccess();
+    return toBecomeFast;
+    // Eval prevents optimization of this method (even though this is dead code)
+    /* istanbul ignore next */
+    // tslint:disable-next-line
+    eval(toBecomeFast);
+}
+exports.toFastProperties = toFastProperties;
+function peek(arr) {
+    return arr[arr.length - 1];
+}
+exports.peek = peek;
+/* istanbul ignore next - for performance tracing*/
+function timer(func) {
+    var start = new Date().getTime();
+    var val = func();
+    var end = new Date().getTime();
+    var total = end - start;
+    return { time: total, value: val };
+}
+exports.timer = timer;
+//# sourceMappingURL=utils.js.map

node_modules/chevrotain/lib/src/version.js

@@ -0,0 +1,8 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.VERSION = void 0;
+// needs a separate module as this is required inside chevrotain productive code
+// and also in the entry point for webpack(api.ts).
+// A separate file avoids cyclic dependencies and webpack errors.
+exports.VERSION = "7.1.1";
+//# sourceMappingURL=version.js.map

node_modules/chevrotain/lib/src/version.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"version.js","sourceRoot":"","sources":["../../src/version.ts"],"names":[],"mappings":";;;AAAA,gFAAgF;AAChF,mDAAmD;AACnD,iEAAiE;AACpD,QAAA,OAAO,GAAG,OAAO,CAAA"}