// @generated by Peggy 5.1.0.
//
// https://peggyjs.org/


class peg$SyntaxError extends SyntaxError {
  constructor(message, expected, found, location) {
    super(message);
    this.expected = expected;
    this.found = found;
    this.location = location;
    this.name = "SyntaxError";
  }

  format(sources) {
    let str = "Error: " + this.message;
    if (this.location) {
      let src = null;
      const st = sources.find(s => s.source === this.location.source);
      if (st) {
        src = st.text.split(/\r\n|\n|\r/g);
      }
      const s = this.location.start;
      const offset_s = (this.location.source && (typeof this.location.source.offset === "function"))
        ? this.location.source.offset(s)
        : s;
      const loc = this.location.source + ":" + offset_s.line + ":" + offset_s.column;
      if (src) {
        const e = this.location.end;
        const filler = "".padEnd(offset_s.line.toString().length, " ");
        const line = src[s.line - 1];
        const last = s.line === e.line ? e.column : line.length + 1;
        const hatLen = (last - s.column) || 1;
        str += "\n --> " + loc + "\n"
            + filler + " |\n"
            + offset_s.line + " | " + line + "\n"
            + filler + " | " + "".padEnd(s.column - 1, " ")
            + "".padEnd(hatLen, "^");
      } else {
        str += "\n at " + loc;
      }
    }
    return str;
  }

  static buildMessage(expected, found) {
    function hex(ch) {
      return ch.codePointAt(0).toString(16).toUpperCase();
    }

    const nonPrintable = Object.prototype.hasOwnProperty.call(RegExp.prototype, "unicode")
      ? new RegExp("[\\p{C}\\p{Mn}\\p{Mc}]", "gu")
      : null;
    function unicodeEscape(s) {
      if (nonPrintable) {
        return s.replace(nonPrintable,  ch => "\\u{" + hex(ch) + "}");
      }
      return s;
    }

    function literalEscape(s) {
      return unicodeEscape(s
        .replace(/\\/g, "\\\\")
        .replace(/"/g,  "\\\"")
        .replace(/\0/g, "\\0")
        .replace(/\t/g, "\\t")
        .replace(/\n/g, "\\n")
        .replace(/\r/g, "\\r")
        .replace(/[\x00-\x0F]/g,          ch => "\\x0" + hex(ch))
        .replace(/[\x10-\x1F\x7F-\x9F]/g, ch => "\\x"  + hex(ch)));
    }

    function classEscape(s) {
      return unicodeEscape(s
        .replace(/\\/g, "\\\\")
        .replace(/\]/g, "\\]")
        .replace(/\^/g, "\\^")
        .replace(/-/g,  "\\-")
        .replace(/\0/g, "\\0")
        .replace(/\t/g, "\\t")
        .replace(/\n/g, "\\n")
        .replace(/\r/g, "\\r")
        .replace(/[\x00-\x0F]/g,          ch => "\\x0" + hex(ch))
        .replace(/[\x10-\x1F\x7F-\x9F]/g, ch => "\\x"  + hex(ch)));
    }

    const DESCRIBE_EXPECTATION_FNS = {
      literal(expectation) {
        return "\"" + literalEscape(expectation.text) + "\"";
      },

      class(expectation) {
        const escapedParts = expectation.parts.map(
          part => (Array.isArray(part)
            ? classEscape(part[0]) + "-" + classEscape(part[1])
            : classEscape(part))
        );

        return "[" + (expectation.inverted ? "^" : "") + escapedParts.join("") + "]" + (expectation.unicode ? "u" : "");
      },

      any() {
        return "any character";
      },

      end() {
        return "end of input";
      },

      other(expectation) {
        return expectation.description;
      },
    };

    function describeExpectation(expectation) {
      return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation);
    }

    function describeExpected(expected) {
      const descriptions = expected.map(describeExpectation);
      descriptions.sort();

      if (descriptions.length > 0) {
        let j = 1;
        for (let i = 1; i < descriptions.length; i++) {
          if (descriptions[i - 1] !== descriptions[i]) {
            descriptions[j] = descriptions[i];
            j++;
          }
        }
        descriptions.length = j;
      }

      switch (descriptions.length) {
        case 1:
          return descriptions[0];

        case 2:
          return descriptions[0] + " or " + descriptions[1];

        default:
          return descriptions.slice(0, -1).join(", ")
            + ", or "
            + descriptions[descriptions.length - 1];
      }
    }

    function describeFound(found) {
      return found ? "\"" + literalEscape(found) + "\"" : "end of input";
    }

    return "Expected " + describeExpected(expected) + " but " + describeFound(found) + " found.";
  }
}

function peg$parse(input, options) {
  options = options !== undefined ? options : {};

  const peg$FAILED = {};
  const peg$source = options.grammarSource;

  const peg$startRuleFunctions = {
    Program: peg$parseProgram,
  };
  let peg$startRuleFunction = peg$parseProgram;

  const peg$c0 = "definition";
  const peg$c1 = "type";
  const peg$c2 = "{";
  const peg$c3 = "}";
  const peg$c4 = ":";
  const peg$c5 = "?";
  const peg$c6 = "[]";
  const peg$c7 = "fact";
  const peg$c8 = "relation";
  const peg$c9 = "*";
  const peg$c10 = "(";
  const peg$c11 = ")";
  const peg$c12 = "source";
  const peg$c13 = "within";
  const peg$c14 = "evidence";
  const peg$c15 = "measure";
  const peg$c16 = "return";
  const peg$c17 = "NEVER";
  const peg$c18 = "ALWAYS";
  const peg$c19 = "REQUIRES";
  const peg$c20 = "WHEN";
  const peg$c21 = "UNLESS";
  const peg$c22 = "|";
  const peg$c23 = "fusion";
  const peg$c24 = ",";
  const peg$c25 = "with";
  const peg$c26 = "aggregate";
  const peg$c27 = "USING";
  const peg$c28 = "PROVIDES";
  const peg$c29 = "BEHAVES";
  const peg$c30 = "AS";
  const peg$c31 = "edge";
  const peg$c32 = "transitive";
  const peg$c33 = "hierarchical";
  const peg$c34 = "symmetrical_graph";
  const peg$c35 = "symmetrical";
  const peg$c36 = "limit";
  const peg$c37 = "decaying";
  const peg$c38 = "up";
  const peg$c39 = "down";
  const peg$c40 = "neutral";
  const peg$c41 = "stable";
  const peg$c42 = "hourly";
  const peg$c43 = "daily";
  const peg$c44 = "weekly";
  const peg$c45 = "monthly";
  const peg$c46 = "blurring";
  const peg$c47 = "fixed";
  const peg$c48 = "adaptive";
  const peg$c49 = "confidence";
  const peg$c50 = "confidence_90";
  const peg$c51 = "confidence_95";
  const peg$c52 = "confidence_99";
  const peg$c53 = "ttl";
  const peg$c54 = "CACHE";
  const peg$c55 = "eager";
  const peg$c56 = "lazy";
  const peg$c57 = "||";
  const peg$c58 = "&&";
  const peg$c59 = "is";
  const peg$c60 = "==";
  const peg$c61 = "!=";
  const peg$c62 = ">=";
  const peg$c63 = "<=";
  const peg$c64 = "NOT";
  const peg$c65 = "!";
  const peg$c66 = ".";
  const peg$c67 = "\"";
  const peg$c68 = "\\";
  const peg$c69 = "'";
  const peg$c70 = "true";
  const peg$c71 = "false";
  const peg$c72 = "//";
  const peg$c73 = "/*";
  const peg$c74 = "*/";

  const peg$r0 = /^[<>]/;
  const peg$r1 = /^[+\-]/;
  const peg$r2 = /^[*\/]/;
  const peg$r3 = /^["\\]/;
  const peg$r4 = /^['\\]/;
  const peg$r5 = /^[0-9]/;
  const peg$r6 = /^[dhmsw]/;
  const peg$r7 = /^[a-zA-Z_]/;
  const peg$r8 = /^[a-zA-Z0-9_]/;
  const peg$r9 = /^[ \t]/;
  const peg$r10 = /^[ \t\r\n]/;
  const peg$r11 = /^[^\r\n]/;

  const peg$e0 = peg$otherExpectation("A type definition");
  const peg$e1 = peg$literalExpectation("definition", false);
  const peg$e2 = peg$literalExpectation("type", false);
  const peg$e3 = peg$literalExpectation("{", false);
  const peg$e4 = peg$literalExpectation("}", false);
  const peg$e5 = peg$literalExpectation(":", false);
  const peg$e6 = peg$literalExpectation("?", false);
  const peg$e7 = peg$literalExpectation("[]", false);
  const peg$e8 = peg$otherExpectation("A statement of fact (or relation in ADR-000)");
  const peg$e9 = peg$literalExpectation("fact", false);
  const peg$e10 = peg$literalExpectation("relation", false);
  const peg$e11 = peg$literalExpectation("*", false);
  const peg$e12 = peg$literalExpectation("(", false);
  const peg$e13 = peg$literalExpectation(")", false);
  const peg$e14 = peg$otherExpectation("An injectable source (proof provider)");
  const peg$e15 = peg$literalExpectation("source", false);
  const peg$e16 = peg$otherExpectation("A freshness constraint on a source");
  const peg$e17 = peg$literalExpectation("within", false);
  const peg$e18 = peg$otherExpectation("An evidence rule");
  const peg$e19 = peg$literalExpectation("evidence", false);
  const peg$e20 = peg$otherExpectation("A derived measurement or value");
  const peg$e21 = peg$literalExpectation("measure", false);
  const peg$e22 = peg$literalExpectation("return", false);
  const peg$e23 = peg$literalExpectation("NEVER", false);
  const peg$e24 = peg$literalExpectation("ALWAYS", false);
  const peg$e25 = peg$literalExpectation("REQUIRES", false);
  const peg$e26 = peg$literalExpectation("WHEN", false);
  const peg$e27 = peg$literalExpectation("UNLESS", false);
  const peg$e28 = peg$literalExpectation("|", false);
  const peg$e29 = peg$literalExpectation("fusion", false);
  const peg$e30 = peg$literalExpectation(",", false);
  const peg$e31 = peg$literalExpectation("with", false);
  const peg$e32 = peg$literalExpectation("aggregate", false);
  const peg$e33 = peg$literalExpectation("USING", false);
  const peg$e34 = peg$literalExpectation("PROVIDES", false);
  const peg$e35 = peg$literalExpectation("BEHAVES", false);
  const peg$e36 = peg$literalExpectation("AS", false);
  const peg$e37 = peg$literalExpectation("edge", false);
  const peg$e38 = peg$literalExpectation("transitive", false);
  const peg$e39 = peg$literalExpectation("hierarchical", false);
  const peg$e40 = peg$literalExpectation("symmetrical_graph", false);
  const peg$e41 = peg$literalExpectation("symmetrical", false);
  const peg$e42 = peg$literalExpectation("limit", false);
  const peg$e43 = peg$literalExpectation("decaying", false);
  const peg$e44 = peg$literalExpectation("up", false);
  const peg$e45 = peg$literalExpectation("down", false);
  const peg$e46 = peg$literalExpectation("neutral", false);
  const peg$e47 = peg$literalExpectation("stable", false);
  const peg$e48 = peg$literalExpectation("hourly", false);
  const peg$e49 = peg$literalExpectation("daily", false);
  const peg$e50 = peg$literalExpectation("weekly", false);
  const peg$e51 = peg$literalExpectation("monthly", false);
  const peg$e52 = peg$literalExpectation("blurring", false);
  const peg$e53 = peg$literalExpectation("fixed", false);
  const peg$e54 = peg$literalExpectation("adaptive", false);
  const peg$e55 = peg$literalExpectation("confidence", false);
  const peg$e56 = peg$literalExpectation("confidence_90", false);
  const peg$e57 = peg$literalExpectation("confidence_95", false);
  const peg$e58 = peg$literalExpectation("confidence_99", false);
  const peg$e59 = peg$literalExpectation("ttl", false);
  const peg$e60 = peg$literalExpectation("CACHE", false);
  const peg$e61 = peg$literalExpectation("eager", false);
  const peg$e62 = peg$literalExpectation("lazy", false);
  const peg$e63 = peg$literalExpectation("||", false);
  const peg$e64 = peg$literalExpectation("&&", false);
  const peg$e65 = peg$literalExpectation("is", false);
  const peg$e66 = peg$literalExpectation("==", false);
  const peg$e67 = peg$literalExpectation("!=", false);
  const peg$e68 = peg$literalExpectation(">=", false);
  const peg$e69 = peg$literalExpectation("<=", false);
  const peg$e70 = peg$classExpectation(["<", ">"], false, false, false);
  const peg$e71 = peg$classExpectation(["+", "-"], false, false, false);
  const peg$e72 = peg$classExpectation(["*", "/"], false, false, false);
  const peg$e73 = peg$literalExpectation("NOT", false);
  const peg$e74 = peg$literalExpectation("!", false);
  const peg$e75 = peg$literalExpectation(".", false);
  const peg$e76 = peg$otherExpectation("The non-recursive base for an expression chain");
  const peg$e77 = peg$otherExpectation("A string literal");
  const peg$e78 = peg$literalExpectation("\"", false);
  const peg$e79 = peg$classExpectation(["\"", "\\"], false, false, false);
  const peg$e80 = peg$anyExpectation();
  const peg$e81 = peg$literalExpectation("\\", false);
  const peg$e82 = peg$literalExpectation("'", false);
  const peg$e83 = peg$classExpectation(["'", "\\"], false, false, false);
  const peg$e84 = peg$otherExpectation("A floating-point number");
  const peg$e85 = peg$classExpectation([["0", "9"]], false, false, false);
  const peg$e86 = peg$otherExpectation("An integer");
  const peg$e87 = peg$otherExpectation("A boolean literal");
  const peg$e88 = peg$literalExpectation("true", false);
  const peg$e89 = peg$literalExpectation("false", false);
  const peg$e90 = peg$otherExpectation("A time duration literal");
  const peg$e91 = peg$classExpectation(["d", "h", "m", "s", "w"], false, false, false);
  const peg$e92 = peg$classExpectation([["a", "z"], ["A", "Z"], "_"], false, false, false);
  const peg$e93 = peg$classExpectation([["a", "z"], ["A", "Z"], ["0", "9"], "_"], false, false, false);
  const peg$e94 = peg$classExpectation([" ", "\t"], false, false, false);
  const peg$e95 = peg$classExpectation([" ", "\t", "\r", "\n"], false, false, false);
  const peg$e96 = peg$literalExpectation("//", false);
  const peg$e97 = peg$classExpectation(["\r", "\n"], true, false, false);
  const peg$e98 = peg$literalExpectation("/*", false);
  const peg$e99 = peg$literalExpectation("*/", false);

  function peg$f0(statements) {
    const allStatements = statements.map(s => s[0]);
    return { 
      type: "Program", 
      body: allStatements,
      definitions: allStatements.filter(s => s.type === "Definition"),
      facts: allStatements.filter(s => s.type === "Fact"),
      evidence: allStatements.filter(s => s.type === "Evidence"),
      measures: allStatements.filter(s => s.type === "Measure"),
      sources: allStatements.filter(s => s.type === "Source")
    };
  }
  function peg$f1(name, fields) {
    return { type: "Definition", name, fields: fields.map(f => f[0]) };
  }
  function peg$f2(name, fieldType, optional, isArray, behavior, cache) {
    return {
      type: "Field",
      name,
      fieldType,
      // `field: type` is REQUIRED on node insert; `field: type?` is optional.
      // Presence is enforced by the DSLRuntime when a node is created.
      required: !optional,
      isArray: !!isArray,
      behavior: behavior || null,
      cache: cache || null
    };
  }
  function peg$f3(star, name, params, behavior, properties, cache, limit) {
    return {
      type: "Fact",
      name,
      params: params || [],
      behavior: behavior || null,
      properties: properties.map(p => p[0]),
      cache: cache || null,
      limit: limit || null,
      injectable: !!star
    };
  }
  function peg$f4(star, name, params, provides, within) {
    return {
      type: "Source",
      name,
      params: params || [],
      provides: provides || null,
      injectable: !!star,
      within: within || null
    };
  }
  function peg$f5(duration) {    return duration;  }
  function peg$f6(star, name, params, limit, body, provides) {
    return {
      type: "Evidence",
      name,
      params: params || [],
      limit: limit || null,
      body,
      provides: provides || null,
      challenge: !!star
    };
  }
  function peg$f7(name, params, body, provides) {
    return {
      type: "Measure",
      name,
      params: params || [],
      body,
      provides: provides || null
    };
  }
  function peg$f8(statements) {
    return { type: "EvidenceBody", statements: statements.map(s => s[0]) };
  }
  function peg$f9(statements, returnStmt) {
    return { 
      type: "MeasureBody", 
      statements: statements.map(s => s[0]), 
      returnStatement: returnStmt || null 
    };
  }
  function peg$f10(expression) {
    return { type: "ReturnStatement", expression };
  }
  function peg$f11(type, condition) {
    return { type: "DefeasibleLogic", logicType: type, condition };
  }
  function peg$f12(condition, defeater) {
    return { type: "DefeasibleLogic", logicType: "WHEN", condition, defeater };
  }
  function peg$f13(condition) {
    return { type: "DefeasibleLogic", logicType: "WHEN", condition };
  }
  function peg$f14(predicate, binding, body, limit, withClause) {
    return {
      type: "PatternMatch",
      predicate,
      binding: binding || null,
      limit: limit || null,
      body,
      withClause: withClause || null
    };
  }
  function peg$f15(measure, variable, fusionStrategy, body, limit) {
    return {
      type: "CollectionProcessing",
      measure,
      variable,
      fusion: fusionStrategy ? { strategy: fusionStrategy[1] } : null,
      body,
      limit: limit || null
    };
  }
  function peg$f16(name, args) {
    return { type: "Predicate", name, args: args || [] };
  }
  function peg$f17(head, tail) {
    return [head, ...tail.map(t => t[3])];
  }
  function peg$f18(name) {    return { type: "Wildcard", name };  }
  function peg$f19(name) {    return name;  }
  function peg$f20(condition) {    return condition;  }
  function peg$f21(strategy, expressions) {
    return { type: "Fusion", strategy, expressions };
  }
  function peg$f22(expressions, using) {
    return { type: "Aggregation", expressions, using: using || null };
  }
  function peg$f23(method) {    return method;  }
  function peg$f24(name) {    return { type: "TypeName", name };  }
  function peg$f25(literal) {    return { type: "TypeName", name: literal.value };  }
  function peg$f26(head, tail) {
    return [head, ...tail.map(t => t[3])];
  }
  function peg$f27(name, paramType, isArray) {
    return { type: "Parameter", name, paramType, isArray: !!isArray };
  }
  function peg$f28(providesType) {    return providesType;  }
  function peg$f29(behavior) {
    return { type: "BehaviorAnnotation", behavior };
  }
  function peg$f30(behavior) {
    // Fact-level freshness: `fact balance(user, amount) BEHAVES { ttl 1h }`
    // declares the relation's value-freshness window, which the runtime uses
    // as the provider-result cache TTL. The behavior is wrapped like the
    // `BEHAVES AS` form so consumers read `behavior.behaviorType`.
    return { type: "BehaviorAnnotation", behavior };
  }
  function peg$f31() {    return "transitive";  }
  function peg$f32() {    return "symmetrical";  }
  function peg$f33(value) {    return value;  }
  function peg$f34(b) {    return b;  }
  function peg$f35(direction, period) {
    return { type: "Behavior", behaviorType: "decay", direction, period };
  }
  function peg$f36(mode, confidence) {
    return { type: "Behavior", behaviorType: "blur", mode, confidence: confidence ? confidence[1] : null };
  }
  function peg$f37(duration) {
    return { type: "Behavior", behaviorType: "ttl", duration };
  }
  function peg$f38(directive) {    return directive;  }
  function peg$f39(head, tail) {    return buildLeftAssoc(head, tail);  }
  function peg$f40(head, tail) {    return buildLeftAssoc(head, tail);  }
  function peg$f41(head, typeName) {
    return { type: "BinaryExpression", operator: "is", left: head, right: typeName };
  }
  function peg$f42(head, tail) {    return buildLeftAssoc(head, tail);  }
  function peg$f43(head, right) {
    return { type: "BinaryExpression", operator: "within", left: head, right };
  }
  function peg$f44(head, tail) {    return buildLeftAssoc(head, tail);  }
  function peg$f45(head, tail) {    return buildLeftAssoc(head, tail);  }
  function peg$f46(operator, operand) {    return { type: "UnaryExpression", operator: "NOT", operand };  }
  function peg$f47(primary, binding) {
    if (binding) {
      return { type: "BindingAccess", expression: primary, binding };
    }
    return primary;
  }
  function peg$f48(head, tail) {
    return tail.reduce((obj, part) => {
      return {
        type: "AttributeAccess",
        object: obj,
        attribute: part[3], // The Identifier is the 4th element (index 3)
        location: location()
      };
    }, head);
  }
  function peg$f49(expr) {    return expr;  }
  function peg$f50(name, args) {
    return { type: "PredicateCall", name, args: args || [], challenge: true };
  }
  function peg$f51(name, args) {
    return { type: "PredicateCall", name, args: args || [] };
  }
  function peg$f52(name) {    return { type: "Variable", name };  }
  function peg$f53(head, tail) {
    return [head, ...tail.map(t => t[3])];
  }
  function peg$f54(head, tail) {
    return [head, ...tail.map(t => t[3])];
  }
  function peg$f55(chars) {
    return { type: "Literal", value: JSON.parse(text()) };
  }
  function peg$f56(chars) {
    return { type: "Literal", value: JSON.parse("\"" + chars.map(c => c[0] === '\\' ? c[1] : c[1]).join('') + "\"") };
  }
  function peg$f57(value) {    return { type: "Literal", value: parseFloat(text()) };  }
  function peg$f58(value) {    return { type: "Literal", value: parseInt(text(), 10) };  }
  function peg$f59(value) {    return { type: "Literal", value: value === "true" };  }
  function peg$f60(value) {    return { type: "Literal", value: text(), unit: text().slice(-1) };  }
  function peg$f61(name) {    return name;  }
  let peg$currPos = options.peg$currPos | 0;
  let peg$savedPos = peg$currPos;
  const peg$posDetailsCache = [{ line: 1, column: 1 }];
  let peg$maxFailPos = peg$currPos;
  let peg$maxFailExpected = options.peg$maxFailExpected || [];
  let peg$silentFails = options.peg$silentFails | 0;

  let peg$result;

  if (options.startRule) {
    if (!(options.startRule in peg$startRuleFunctions)) {
      throw new Error("Can't start parsing from rule \"" + options.startRule + "\".");
    }

    peg$startRuleFunction = peg$startRuleFunctions[options.startRule];
  }

  function text() {
    return input.substring(peg$savedPos, peg$currPos);
  }

  function offset() {
    return peg$savedPos;
  }

  function range() {
    return {
      source: peg$source,
      start: peg$savedPos,
      end: peg$currPos,
    };
  }

  function location() {
    return peg$computeLocation(peg$savedPos, peg$currPos);
  }

  function expected(description, location) {
    location = location !== undefined
      ? location
      : peg$computeLocation(peg$savedPos, peg$currPos);

    throw peg$buildStructuredError(
      [peg$otherExpectation(description)],
      input.substring(peg$savedPos, peg$currPos),
      location
    );
  }

  function error(message, location) {
    location = location !== undefined
      ? location
      : peg$computeLocation(peg$savedPos, peg$currPos);

    throw peg$buildSimpleError(message, location);
  }

  function peg$getUnicode(pos = peg$currPos) {
    const cp = input.codePointAt(pos);
    if (cp === undefined) {
      return "";
    }
    return String.fromCodePoint(cp);
  }

  function peg$literalExpectation(text, ignoreCase) {
    return { type: "literal", text, ignoreCase };
  }

  function peg$classExpectation(parts, inverted, ignoreCase, unicode) {
    return { type: "class", parts, inverted, ignoreCase, unicode };
  }

  function peg$anyExpectation() {
    return { type: "any" };
  }

  function peg$endExpectation() {
    return { type: "end" };
  }

  function peg$otherExpectation(description) {
    return { type: "other", description };
  }

  function peg$computePosDetails(pos) {
    let details = peg$posDetailsCache[pos];
    let p;

    if (details) {
      return details;
    } else {
      if (pos >= peg$posDetailsCache.length) {
        p = peg$posDetailsCache.length - 1;
      } else {
        p = pos;
        while (!peg$posDetailsCache[--p]) {}
      }

      details = peg$posDetailsCache[p];
      details = {
        line: details.line,
        column: details.column,
      };

      while (p < pos) {
        if (input.charCodeAt(p) === 10) {
          details.line++;
          details.column = 1;
        } else {
          details.column++;
        }

        p++;
      }

      peg$posDetailsCache[pos] = details;

      return details;
    }
  }

  function peg$computeLocation(startPos, endPos, offset) {
    const startPosDetails = peg$computePosDetails(startPos);
    const endPosDetails = peg$computePosDetails(endPos);

    const res = {
      source: peg$source,
      start: {
        offset: startPos,
        line: startPosDetails.line,
        column: startPosDetails.column,
      },
      end: {
        offset: endPos,
        line: endPosDetails.line,
        column: endPosDetails.column,
      },
    };
    if (offset && peg$source && (typeof peg$source.offset === "function")) {
      res.start = peg$source.offset(res.start);
      res.end = peg$source.offset(res.end);
    }
    return res;
  }

  function peg$fail(expected) {
    if (peg$currPos < peg$maxFailPos) { return; }

    if (peg$currPos > peg$maxFailPos) {
      peg$maxFailPos = peg$currPos;
      peg$maxFailExpected = [];
    }

    peg$maxFailExpected.push(expected);
  }

  function peg$buildSimpleError(message, location) {
    return new peg$SyntaxError(message, null, null, location);
  }

  function peg$buildStructuredError(expected, found, location) {
    return new peg$SyntaxError(
      peg$SyntaxError.buildMessage(expected, found),
      expected,
      found,
      location
    );
  }

  function peg$parseProgram() {
    let s0, s1, s2, s3, s4, s5;

    s0 = peg$currPos;
    s1 = peg$parse_();
    s2 = [];
    s3 = peg$currPos;
    s4 = peg$parseStatement();
    if (s4 !== peg$FAILED) {
      s5 = peg$parse_();
      s4 = [s4, s5];
      s3 = s4;
    } else {
      peg$currPos = s3;
      s3 = peg$FAILED;
    }
    while (s3 !== peg$FAILED) {
      s2.push(s3);
      s3 = peg$currPos;
      s4 = peg$parseStatement();
      if (s4 !== peg$FAILED) {
        s5 = peg$parse_();
        s4 = [s4, s5];
        s3 = s4;
      } else {
        peg$currPos = s3;
        s3 = peg$FAILED;
      }
    }
    s3 = peg$parse_();
    peg$savedPos = s0;
    s0 = peg$f0(s2);

    return s0;
  }

  function peg$parseStatement() {
    let s0;

    s0 = peg$parseDefinition();
    if (s0 === peg$FAILED) {
      s0 = peg$parseSource();
      if (s0 === peg$FAILED) {
        s0 = peg$parseFact();
        if (s0 === peg$FAILED) {
          s0 = peg$parseEvidence();
          if (s0 === peg$FAILED) {
            s0 = peg$parseMeasure();
          }
        }
      }
    }

    return s0;
  }

  function peg$parseDefinition() {
    let s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;

    peg$silentFails++;
    s0 = peg$currPos;
    if (input.substr(peg$currPos, 10) === peg$c0) {
      s1 = peg$c0;
      peg$currPos += 10;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e1); }
    }
    if (s1 === peg$FAILED) {
      if (input.substr(peg$currPos, 4) === peg$c1) {
        s1 = peg$c1;
        peg$currPos += 4;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e2); }
      }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseIdentifier();
        if (s3 !== peg$FAILED) {
          s4 = peg$parse__();
          if (s4 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 123) {
              s5 = peg$c2;
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e3); }
            }
            if (s5 !== peg$FAILED) {
              s6 = peg$parse_();
              s7 = [];
              s8 = peg$currPos;
              s9 = peg$parseField();
              if (s9 !== peg$FAILED) {
                s10 = peg$parse_();
                s9 = [s9, s10];
                s8 = s9;
              } else {
                peg$currPos = s8;
                s8 = peg$FAILED;
              }
              while (s8 !== peg$FAILED) {
                s7.push(s8);
                s8 = peg$currPos;
                s9 = peg$parseField();
                if (s9 !== peg$FAILED) {
                  s10 = peg$parse_();
                  s9 = [s9, s10];
                  s8 = s9;
                } else {
                  peg$currPos = s8;
                  s8 = peg$FAILED;
                }
              }
              if (input.charCodeAt(peg$currPos) === 125) {
                s8 = peg$c3;
                peg$currPos++;
              } else {
                s8 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$e4); }
              }
              if (s8 !== peg$FAILED) {
                peg$savedPos = s0;
                s0 = peg$f1(s3, s7);
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e0); }
    }

    return s0;
  }

  function peg$parseField() {
    let s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12;

    s0 = peg$currPos;
    s1 = peg$parseIdentifier();
    if (s1 !== peg$FAILED) {
      s2 = peg$parse_();
      if (input.charCodeAt(peg$currPos) === 58) {
        s3 = peg$c4;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e5); }
      }
      if (s3 !== peg$FAILED) {
        s4 = peg$parse_();
        s5 = peg$parseIdentifier();
        if (s5 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 63) {
            s6 = peg$c5;
            peg$currPos++;
          } else {
            s6 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e6); }
          }
          if (s6 === peg$FAILED) {
            s6 = null;
          }
          s7 = peg$parse_();
          if (input.substr(peg$currPos, 2) === peg$c6) {
            s8 = peg$c6;
            peg$currPos += 2;
          } else {
            s8 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e7); }
          }
          if (s8 === peg$FAILED) {
            s8 = null;
          }
          s9 = peg$parse_();
          s10 = peg$parseBehavior();
          if (s10 === peg$FAILED) {
            s10 = null;
          }
          s11 = peg$parse_();
          s12 = peg$parseCacheDirective();
          if (s12 === peg$FAILED) {
            s12 = null;
          }
          peg$savedPos = s0;
          s0 = peg$f2(s1, s5, s6, s8, s10, s12);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseFact() {
    let s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, s16, s17;

    peg$silentFails++;
    s0 = peg$currPos;
    if (input.substr(peg$currPos, 4) === peg$c7) {
      s1 = peg$c7;
      peg$currPos += 4;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e9); }
    }
    if (s1 === peg$FAILED) {
      if (input.substr(peg$currPos, 8) === peg$c8) {
        s1 = peg$c8;
        peg$currPos += 8;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e10); }
      }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 42) {
          s3 = peg$c9;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e11); }
        }
        if (s3 === peg$FAILED) {
          s3 = null;
        }
        s4 = peg$parseIdentifier();
        if (s4 !== peg$FAILED) {
          s5 = peg$parse_();
          if (input.charCodeAt(peg$currPos) === 40) {
            s6 = peg$c10;
            peg$currPos++;
          } else {
            s6 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e12); }
          }
          if (s6 !== peg$FAILED) {
            s7 = peg$parse_();
            s8 = peg$parseParameterList();
            if (s8 === peg$FAILED) {
              s8 = null;
            }
            s9 = peg$parse_();
            if (input.charCodeAt(peg$currPos) === 41) {
              s10 = peg$c11;
              peg$currPos++;
            } else {
              s10 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e13); }
            }
            if (s10 !== peg$FAILED) {
              s11 = peg$parse_();
              s12 = peg$parseBehaviorAnnotation();
              if (s12 === peg$FAILED) {
                s12 = null;
              }
              s13 = peg$parse_();
              s14 = [];
              s15 = peg$currPos;
              s16 = peg$parseFactProperty();
              if (s16 !== peg$FAILED) {
                s17 = peg$parse_();
                s16 = [s16, s17];
                s15 = s16;
              } else {
                peg$currPos = s15;
                s15 = peg$FAILED;
              }
              while (s15 !== peg$FAILED) {
                s14.push(s15);
                s15 = peg$currPos;
                s16 = peg$parseFactProperty();
                if (s16 !== peg$FAILED) {
                  s17 = peg$parse_();
                  s16 = [s16, s17];
                  s15 = s16;
                } else {
                  peg$currPos = s15;
                  s15 = peg$FAILED;
                }
              }
              s15 = peg$parseCacheDirective();
              if (s15 === peg$FAILED) {
                s15 = null;
              }
              s16 = peg$parse_();
              s17 = peg$parseLimit();
              if (s17 === peg$FAILED) {
                s17 = null;
              }
              peg$savedPos = s0;
              s0 = peg$f3(s3, s4, s8, s12, s14, s15, s17);
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e8); }
    }

    return s0;
  }

  function peg$parseSource() {
    let s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14;

    peg$silentFails++;
    s0 = peg$currPos;
    if (input.substr(peg$currPos, 6) === peg$c12) {
      s1 = peg$c12;
      peg$currPos += 6;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e15); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 42) {
          s3 = peg$c9;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e11); }
        }
        if (s3 === peg$FAILED) {
          s3 = null;
        }
        s4 = peg$parseIdentifier();
        if (s4 !== peg$FAILED) {
          s5 = peg$parse_();
          if (input.charCodeAt(peg$currPos) === 40) {
            s6 = peg$c10;
            peg$currPos++;
          } else {
            s6 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e12); }
          }
          if (s6 !== peg$FAILED) {
            s7 = peg$parse_();
            s8 = peg$parseParameterList();
            if (s8 === peg$FAILED) {
              s8 = null;
            }
            s9 = peg$parse_();
            if (input.charCodeAt(peg$currPos) === 41) {
              s10 = peg$c11;
              peg$currPos++;
            } else {
              s10 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e13); }
            }
            if (s10 !== peg$FAILED) {
              s11 = peg$parse_();
              s12 = peg$parseProvides();
              if (s12 === peg$FAILED) {
                s12 = null;
              }
              s13 = peg$parse_();
              s14 = peg$parseWithinClause();
              if (s14 === peg$FAILED) {
                s14 = null;
              }
              peg$savedPos = s0;
              s0 = peg$f4(s3, s4, s8, s12, s14);
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e14); }
    }

    return s0;
  }

  function peg$parseWithinClause() {
    let s0, s1, s2, s3;

    peg$silentFails++;
    s0 = peg$currPos;
    if (input.substr(peg$currPos, 6) === peg$c13) {
      s1 = peg$c13;
      peg$currPos += 6;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e17); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseDuration();
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f5(s3);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e16); }
    }

    return s0;
  }

  function peg$parseEvidence() {
    let s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, s16, s17, s18, s19, s20;

    peg$silentFails++;
    s0 = peg$currPos;
    if (input.substr(peg$currPos, 8) === peg$c14) {
      s1 = peg$c14;
      peg$currPos += 8;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e19); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 42) {
          s3 = peg$c9;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e11); }
        }
        if (s3 === peg$FAILED) {
          s3 = null;
        }
        s4 = peg$parseIdentifier();
        if (s4 !== peg$FAILED) {
          s5 = peg$parse_();
          if (input.charCodeAt(peg$currPos) === 40) {
            s6 = peg$c10;
            peg$currPos++;
          } else {
            s6 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e12); }
          }
          if (s6 !== peg$FAILED) {
            s7 = peg$parse_();
            s8 = peg$parseParameterList();
            if (s8 === peg$FAILED) {
              s8 = null;
            }
            s9 = peg$parse_();
            if (input.charCodeAt(peg$currPos) === 41) {
              s10 = peg$c11;
              peg$currPos++;
            } else {
              s10 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e13); }
            }
            if (s10 !== peg$FAILED) {
              s11 = peg$parse_();
              s12 = peg$parseLimit();
              if (s12 === peg$FAILED) {
                s12 = null;
              }
              s13 = peg$parse_();
              if (input.charCodeAt(peg$currPos) === 123) {
                s14 = peg$c2;
                peg$currPos++;
              } else {
                s14 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$e3); }
              }
              if (s14 !== peg$FAILED) {
                s15 = peg$parse_();
                s16 = peg$parseEvidenceBody();
                s17 = peg$parse_();
                if (input.charCodeAt(peg$currPos) === 125) {
                  s18 = peg$c3;
                  peg$currPos++;
                } else {
                  s18 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$e4); }
                }
                if (s18 !== peg$FAILED) {
                  s19 = peg$parse_();
                  s20 = peg$parseProvides();
                  if (s20 === peg$FAILED) {
                    s20 = null;
                  }
                  peg$savedPos = s0;
                  s0 = peg$f6(s3, s4, s8, s12, s16, s20);
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e18); }
    }

    return s0;
  }

  function peg$parseMeasure() {
    let s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, s16, s17;

    peg$silentFails++;
    s0 = peg$currPos;
    if (input.substr(peg$currPos, 7) === peg$c15) {
      s1 = peg$c15;
      peg$currPos += 7;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e21); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseIdentifier();
        if (s3 !== peg$FAILED) {
          s4 = peg$parse_();
          if (input.charCodeAt(peg$currPos) === 40) {
            s5 = peg$c10;
            peg$currPos++;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e12); }
          }
          if (s5 !== peg$FAILED) {
            s6 = peg$parse_();
            s7 = peg$parseParameterList();
            if (s7 === peg$FAILED) {
              s7 = null;
            }
            s8 = peg$parse_();
            if (input.charCodeAt(peg$currPos) === 41) {
              s9 = peg$c11;
              peg$currPos++;
            } else {
              s9 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e13); }
            }
            if (s9 !== peg$FAILED) {
              s10 = peg$parse_();
              if (input.charCodeAt(peg$currPos) === 123) {
                s11 = peg$c2;
                peg$currPos++;
              } else {
                s11 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$e3); }
              }
              if (s11 !== peg$FAILED) {
                s12 = peg$parse_();
                s13 = peg$parseMeasureBody();
                s14 = peg$parse_();
                if (input.charCodeAt(peg$currPos) === 125) {
                  s15 = peg$c3;
                  peg$currPos++;
                } else {
                  s15 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$e4); }
                }
                if (s15 !== peg$FAILED) {
                  s16 = peg$parse_();
                  s17 = peg$parseProvides();
                  if (s17 === peg$FAILED) {
                    s17 = null;
                  }
                  peg$savedPos = s0;
                  s0 = peg$f7(s3, s7, s13, s17);
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e20); }
    }

    return s0;
  }

  function peg$parseEvidenceBody() {
    let s0, s1, s2, s3, s4;

    s0 = peg$currPos;
    s1 = [];
    s2 = peg$currPos;
    s3 = peg$parseEvidenceStatement();
    if (s3 !== peg$FAILED) {
      s4 = peg$parse_();
      s3 = [s3, s4];
      s2 = s3;
    } else {
      peg$currPos = s2;
      s2 = peg$FAILED;
    }
    while (s2 !== peg$FAILED) {
      s1.push(s2);
      s2 = peg$currPos;
      s3 = peg$parseEvidenceStatement();
      if (s3 !== peg$FAILED) {
        s4 = peg$parse_();
        s3 = [s3, s4];
        s2 = s3;
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
    }
    peg$savedPos = s0;
    s1 = peg$f8(s1);
    s0 = s1;

    return s0;
  }

  function peg$parseEvidenceStatement() {
    let s0;

    s0 = peg$parseDefeasibleLogic();
    if (s0 === peg$FAILED) {
      s0 = peg$parseFusion();
      if (s0 === peg$FAILED) {
        s0 = peg$parseCollectionProcessing();
        if (s0 === peg$FAILED) {
          s0 = peg$parsePatternMatch();
          if (s0 === peg$FAILED) {
            s0 = peg$parseLogicalOr();
          }
        }
      }
    }

    return s0;
  }

  function peg$parseMeasureBody() {
    let s0, s1, s2, s3, s4;

    s0 = peg$currPos;
    s1 = [];
    s2 = peg$currPos;
    s3 = peg$parseMeasureStatement();
    if (s3 !== peg$FAILED) {
      s4 = peg$parse_();
      s3 = [s3, s4];
      s2 = s3;
    } else {
      peg$currPos = s2;
      s2 = peg$FAILED;
    }
    while (s2 !== peg$FAILED) {
      s1.push(s2);
      s2 = peg$currPos;
      s3 = peg$parseMeasureStatement();
      if (s3 !== peg$FAILED) {
        s4 = peg$parse_();
        s3 = [s3, s4];
        s2 = s3;
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
    }
    s2 = peg$parseReturnStatement();
    if (s2 === peg$FAILED) {
      s2 = null;
    }
    peg$savedPos = s0;
    s0 = peg$f9(s1, s2);

    return s0;
  }

  function peg$parseMeasureStatement() {
    let s0;

    s0 = peg$parseFusion();
    if (s0 === peg$FAILED) {
      s0 = peg$parseAggregation();
      if (s0 === peg$FAILED) {
        s0 = peg$parsePatternMatch();
        if (s0 === peg$FAILED) {
          s0 = peg$parseLogicalOr();
        }
      }
    }

    return s0;
  }

  function peg$parseReturnStatement() {
    let s0, s1, s2, s3;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 6) === peg$c16) {
      s1 = peg$c16;
      peg$currPos += 6;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e22); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseLogicalOr();
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f10(s3);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseDefeasibleLogic() {
    let s0, s1, s2, s3, s4, s5, s6, s7;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 5) === peg$c17) {
      s1 = peg$c17;
      peg$currPos += 5;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e23); }
    }
    if (s1 === peg$FAILED) {
      if (input.substr(peg$currPos, 6) === peg$c18) {
        s1 = peg$c18;
        peg$currPos += 6;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e24); }
      }
      if (s1 === peg$FAILED) {
        if (input.substr(peg$currPos, 8) === peg$c19) {
          s1 = peg$c19;
          peg$currPos += 8;
        } else {
          s1 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e25); }
        }
      }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseLogicalOr();
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f11(s1, s3);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      if (input.substr(peg$currPos, 4) === peg$c20) {
        s1 = peg$c20;
        peg$currPos += 4;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e26); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parse__();
        if (s2 !== peg$FAILED) {
          s3 = peg$parseLogicalOr();
          if (s3 !== peg$FAILED) {
            s4 = peg$parse__();
            if (s4 !== peg$FAILED) {
              if (input.substr(peg$currPos, 6) === peg$c21) {
                s5 = peg$c21;
                peg$currPos += 6;
              } else {
                s5 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$e27); }
              }
              if (s5 !== peg$FAILED) {
                s6 = peg$parse__();
                if (s6 !== peg$FAILED) {
                  s7 = peg$parseLogicalOr();
                  if (s7 !== peg$FAILED) {
                    peg$savedPos = s0;
                    s0 = peg$f12(s3, s7);
                  } else {
                    peg$currPos = s0;
                    s0 = peg$FAILED;
                  }
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        if (input.substr(peg$currPos, 4) === peg$c20) {
          s1 = peg$c20;
          peg$currPos += 4;
        } else {
          s1 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e26); }
        }
        if (s1 !== peg$FAILED) {
          s2 = peg$parse__();
          if (s2 !== peg$FAILED) {
            s3 = peg$parseLogicalOr();
            if (s3 !== peg$FAILED) {
              peg$savedPos = s0;
              s0 = peg$f13(s3);
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      }
    }

    return s0;
  }

  function peg$parsePatternMatch() {
    let s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13;

    s0 = peg$currPos;
    s1 = peg$parsePatternPredicate();
    if (s1 !== peg$FAILED) {
      s2 = peg$parse_();
      s3 = peg$parseBindingClause();
      if (s3 === peg$FAILED) {
        s3 = null;
      }
      s4 = peg$parse_();
      if (input.charCodeAt(peg$currPos) === 123) {
        s5 = peg$c2;
        peg$currPos++;
      } else {
        s5 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e3); }
      }
      if (s5 !== peg$FAILED) {
        s6 = peg$parse_();
        s7 = peg$parseEvidenceBody();
        if (s7 !== peg$FAILED) {
          s8 = peg$parse_();
          if (input.charCodeAt(peg$currPos) === 125) {
            s9 = peg$c3;
            peg$currPos++;
          } else {
            s9 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e4); }
          }
          if (s9 !== peg$FAILED) {
            s10 = peg$parse_();
            s11 = peg$parseLimit();
            if (s11 === peg$FAILED) {
              s11 = null;
            }
            s12 = peg$parse_();
            s13 = peg$parseWithClause();
            if (s13 === peg$FAILED) {
              s13 = null;
            }
            peg$savedPos = s0;
            s0 = peg$f14(s1, s3, s7, s11, s13);
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseCollectionProcessing() {
    let s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, s16, s17;

    s0 = peg$currPos;
    s1 = peg$parseLogicalOr();
    if (s1 !== peg$FAILED) {
      s2 = peg$parse_();
      if (input.charCodeAt(peg$currPos) === 124) {
        s3 = peg$c22;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e28); }
      }
      if (s3 !== peg$FAILED) {
        s4 = peg$parse_();
        s5 = peg$parseIdentifier();
        if (s5 !== peg$FAILED) {
          s6 = peg$parse_();
          if (input.charCodeAt(peg$currPos) === 124) {
            s7 = peg$c22;
            peg$currPos++;
          } else {
            s7 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e28); }
          }
          if (s7 !== peg$FAILED) {
            s8 = peg$parse_();
            s9 = peg$currPos;
            if (input.substr(peg$currPos, 6) === peg$c23) {
              s10 = peg$c23;
              peg$currPos += 6;
            } else {
              s10 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e29); }
            }
            if (s10 !== peg$FAILED) {
              s11 = peg$parse__();
              if (s11 !== peg$FAILED) {
                s12 = peg$parseIdentifier();
                if (s12 !== peg$FAILED) {
                  s10 = [s10, s11, s12];
                  s9 = s10;
                } else {
                  peg$currPos = s9;
                  s9 = peg$FAILED;
                }
              } else {
                peg$currPos = s9;
                s9 = peg$FAILED;
              }
            } else {
              peg$currPos = s9;
              s9 = peg$FAILED;
            }
            if (s9 === peg$FAILED) {
              s9 = null;
            }
            s10 = peg$parse_();
            if (input.charCodeAt(peg$currPos) === 123) {
              s11 = peg$c2;
              peg$currPos++;
            } else {
              s11 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e3); }
            }
            if (s11 !== peg$FAILED) {
              s12 = peg$parse_();
              s13 = peg$parseEvidenceBody();
              if (s13 !== peg$FAILED) {
                s14 = peg$parse_();
                if (input.charCodeAt(peg$currPos) === 125) {
                  s15 = peg$c3;
                  peg$currPos++;
                } else {
                  s15 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$e4); }
                }
                if (s15 !== peg$FAILED) {
                  s16 = peg$parse_();
                  s17 = peg$parseLimit();
                  if (s17 === peg$FAILED) {
                    s17 = null;
                  }
                  peg$savedPos = s0;
                  s0 = peg$f15(s1, s5, s9, s13, s17);
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parsePatternPredicate() {
    let s0, s1, s2, s3, s4, s5, s6, s7;

    s0 = peg$currPos;
    s1 = peg$parseIdentifier();
    if (s1 !== peg$FAILED) {
      s2 = peg$parse_();
      if (input.charCodeAt(peg$currPos) === 40) {
        s3 = peg$c10;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e12); }
      }
      if (s3 !== peg$FAILED) {
        s4 = peg$parse_();
        s5 = peg$parsePatternArgumentList();
        if (s5 === peg$FAILED) {
          s5 = null;
        }
        s6 = peg$parse_();
        if (input.charCodeAt(peg$currPos) === 41) {
          s7 = peg$c11;
          peg$currPos++;
        } else {
          s7 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e13); }
        }
        if (s7 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f16(s1, s5);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parsePatternArgumentList() {
    let s0, s1, s2, s3, s4, s5, s6, s7;

    s0 = peg$currPos;
    s1 = peg$parsePatternArgument();
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$currPos;
      s4 = peg$parse_();
      if (input.charCodeAt(peg$currPos) === 44) {
        s5 = peg$c24;
        peg$currPos++;
      } else {
        s5 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e30); }
      }
      if (s5 !== peg$FAILED) {
        s6 = peg$parse_();
        s7 = peg$parsePatternArgument();
        if (s7 !== peg$FAILED) {
          s4 = [s4, s5, s6, s7];
          s3 = s4;
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      } else {
        peg$currPos = s3;
        s3 = peg$FAILED;
      }
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$currPos;
        s4 = peg$parse_();
        if (input.charCodeAt(peg$currPos) === 44) {
          s5 = peg$c24;
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e30); }
        }
        if (s5 !== peg$FAILED) {
          s6 = peg$parse_();
          s7 = peg$parsePatternArgument();
          if (s7 !== peg$FAILED) {
            s4 = [s4, s5, s6, s7];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      }
      peg$savedPos = s0;
      s0 = peg$f17(s1, s2);
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parsePatternArgument() {
    let s0, s1, s2, s3;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 42) {
      s1 = peg$c9;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e11); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse_();
      s3 = peg$parseIdentifier();
      if (s3 !== peg$FAILED) {
        peg$savedPos = s0;
        s0 = peg$f18(s3);
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$parseLogicalOr();
    }

    return s0;
  }

  function peg$parseBindingClause() {
    let s0, s1, s2, s3, s4, s5;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 124) {
      s1 = peg$c22;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e28); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse_();
      s3 = peg$parseIdentifier();
      if (s3 !== peg$FAILED) {
        s4 = peg$parse_();
        if (input.charCodeAt(peg$currPos) === 124) {
          s5 = peg$c22;
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e28); }
        }
        if (s5 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f19(s3);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseWithClause() {
    let s0, s1, s2, s3;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 4) === peg$c25) {
      s1 = peg$c25;
      peg$currPos += 4;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e31); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseLogicalOr();
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f20(s3);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseFusion() {
    let s0, s1, s2, s3, s4, s5, s6, s7, s8, s9;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 6) === peg$c23) {
      s1 = peg$c23;
      peg$currPos += 6;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e29); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseIdentifier();
        if (s3 !== peg$FAILED) {
          s4 = peg$parse__();
          if (s4 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 123) {
              s5 = peg$c2;
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e3); }
            }
            if (s5 !== peg$FAILED) {
              s6 = peg$parse_();
              s7 = peg$parseExpressionList();
              if (s7 !== peg$FAILED) {
                s8 = peg$parse_();
                if (input.charCodeAt(peg$currPos) === 125) {
                  s9 = peg$c3;
                  peg$currPos++;
                } else {
                  s9 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$e4); }
                }
                if (s9 !== peg$FAILED) {
                  peg$savedPos = s0;
                  s0 = peg$f21(s3, s7);
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseAggregation() {
    let s0, s1, s2, s3, s4, s5, s6, s7, s8, s9;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 9) === peg$c26) {
      s1 = peg$c26;
      peg$currPos += 9;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e32); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 123) {
          s3 = peg$c2;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e3); }
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parse_();
          s5 = peg$parseExpressionList();
          if (s5 !== peg$FAILED) {
            s6 = peg$parse_();
            if (input.charCodeAt(peg$currPos) === 125) {
              s7 = peg$c3;
              peg$currPos++;
            } else {
              s7 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e4); }
            }
            if (s7 !== peg$FAILED) {
              s8 = peg$parse_();
              s9 = peg$parseUsing();
              if (s9 === peg$FAILED) {
                s9 = null;
              }
              peg$savedPos = s0;
              s0 = peg$f22(s5, s9);
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseUsing() {
    let s0, s1, s2, s3;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 5) === peg$c27) {
      s1 = peg$c27;
      peg$currPos += 5;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e33); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseIdentifier();
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f23(s3);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseTypeName() {
    let s0, s1;

    s0 = peg$currPos;
    s1 = peg$parseIdentifier();
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$f24(s1);
    }
    s0 = s1;
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      s1 = peg$parseString();
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$f25(s1);
      }
      s0 = s1;
    }

    return s0;
  }

  function peg$parseParameterList() {
    let s0, s1, s2, s3, s4, s5, s6, s7;

    s0 = peg$currPos;
    s1 = peg$parseParameter();
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$currPos;
      s4 = peg$parse_();
      if (input.charCodeAt(peg$currPos) === 44) {
        s5 = peg$c24;
        peg$currPos++;
      } else {
        s5 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e30); }
      }
      if (s5 !== peg$FAILED) {
        s6 = peg$parse_();
        s7 = peg$parseParameter();
        if (s7 !== peg$FAILED) {
          s4 = [s4, s5, s6, s7];
          s3 = s4;
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      } else {
        peg$currPos = s3;
        s3 = peg$FAILED;
      }
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$currPos;
        s4 = peg$parse_();
        if (input.charCodeAt(peg$currPos) === 44) {
          s5 = peg$c24;
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e30); }
        }
        if (s5 !== peg$FAILED) {
          s6 = peg$parse_();
          s7 = peg$parseParameter();
          if (s7 !== peg$FAILED) {
            s4 = [s4, s5, s6, s7];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      }
      peg$savedPos = s0;
      s0 = peg$f26(s1, s2);
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseParameter() {
    let s0, s1, s2, s3, s4, s5, s6, s7;

    s0 = peg$currPos;
    s1 = peg$parseIdentifier();
    if (s1 !== peg$FAILED) {
      s2 = peg$parse_();
      if (input.charCodeAt(peg$currPos) === 58) {
        s3 = peg$c4;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e5); }
      }
      if (s3 !== peg$FAILED) {
        s4 = peg$parse_();
        s5 = peg$parseIdentifier();
        if (s5 !== peg$FAILED) {
          s6 = peg$parse_();
          if (input.substr(peg$currPos, 2) === peg$c6) {
            s7 = peg$c6;
            peg$currPos += 2;
          } else {
            s7 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e7); }
          }
          if (s7 === peg$FAILED) {
            s7 = null;
          }
          peg$savedPos = s0;
          s0 = peg$f27(s1, s5, s7);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseProvides() {
    let s0, s1, s2, s3;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 8) === peg$c28) {
      s1 = peg$c28;
      peg$currPos += 8;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e34); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseIdentifier();
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f28(s3);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseBehaviorAnnotation() {
    let s0, s1, s2, s3, s4, s5, s6, s7;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 7) === peg$c29) {
      s1 = peg$c29;
      peg$currPos += 7;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e35); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        if (input.substr(peg$currPos, 2) === peg$c30) {
          s3 = peg$c30;
          peg$currPos += 2;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e36); }
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parse__();
          if (s4 !== peg$FAILED) {
            if (input.substr(peg$currPos, 4) === peg$c31) {
              s5 = peg$c31;
              peg$currPos += 4;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e37); }
            }
            if (s5 === peg$FAILED) {
              if (input.substr(peg$currPos, 10) === peg$c32) {
                s5 = peg$c32;
                peg$currPos += 10;
              } else {
                s5 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$e38); }
              }
              if (s5 === peg$FAILED) {
                if (input.substr(peg$currPos, 12) === peg$c33) {
                  s5 = peg$c33;
                  peg$currPos += 12;
                } else {
                  s5 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$e39); }
                }
                if (s5 === peg$FAILED) {
                  if (input.substr(peg$currPos, 17) === peg$c34) {
                    s5 = peg$c34;
                    peg$currPos += 17;
                  } else {
                    s5 = peg$FAILED;
                    if (peg$silentFails === 0) { peg$fail(peg$e40); }
                  }
                }
              }
            }
            if (s5 !== peg$FAILED) {
              peg$savedPos = s0;
              s0 = peg$f29(s5);
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      if (input.substr(peg$currPos, 7) === peg$c29) {
        s1 = peg$c29;
        peg$currPos += 7;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e35); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parse__();
        if (s2 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 123) {
            s3 = peg$c2;
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e3); }
          }
          if (s3 !== peg$FAILED) {
            s4 = peg$parse_();
            s5 = peg$parseTTLBehavior();
            if (s5 !== peg$FAILED) {
              s6 = peg$parse_();
              if (input.charCodeAt(peg$currPos) === 125) {
                s7 = peg$c3;
                peg$currPos++;
              } else {
                s7 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$e4); }
              }
              if (s7 !== peg$FAILED) {
                peg$savedPos = s0;
                s0 = peg$f30(s5);
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    }

    return s0;
  }

  function peg$parseFactProperty() {
    let s0, s1;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 10) === peg$c32) {
      s1 = peg$c32;
      peg$currPos += 10;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e38); }
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$f31();
    }
    s0 = s1;
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      if (input.substr(peg$currPos, 11) === peg$c35) {
        s1 = peg$c35;
        peg$currPos += 11;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e41); }
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$f32();
      }
      s0 = s1;
    }

    return s0;
  }

  function peg$parseLimit() {
    let s0, s1, s2, s3;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 5) === peg$c36) {
      s1 = peg$c36;
      peg$currPos += 5;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e42); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseInteger();
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f33(s3);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseBehavior() {
    let s0, s1, s2, s3, s4, s5, s6, s7;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 7) === peg$c29) {
      s1 = peg$c29;
      peg$currPos += 7;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e35); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 123) {
          s3 = peg$c2;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e3); }
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parse_();
          s5 = peg$parseDecayBehavior();
          if (s5 === peg$FAILED) {
            s5 = peg$parseBlurBehavior();
            if (s5 === peg$FAILED) {
              s5 = peg$parseTTLBehavior();
            }
          }
          if (s5 !== peg$FAILED) {
            s6 = peg$parse_();
            if (input.charCodeAt(peg$currPos) === 125) {
              s7 = peg$c3;
              peg$currPos++;
            } else {
              s7 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e4); }
            }
            if (s7 !== peg$FAILED) {
              peg$savedPos = s0;
              s0 = peg$f34(s5);
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseDecayBehavior() {
    let s0, s1, s2, s3, s4, s5;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 8) === peg$c37) {
      s1 = peg$c37;
      peg$currPos += 8;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e43); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        if (input.substr(peg$currPos, 2) === peg$c38) {
          s3 = peg$c38;
          peg$currPos += 2;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e44); }
        }
        if (s3 === peg$FAILED) {
          if (input.substr(peg$currPos, 4) === peg$c39) {
            s3 = peg$c39;
            peg$currPos += 4;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e45); }
          }
          if (s3 === peg$FAILED) {
            if (input.substr(peg$currPos, 7) === peg$c40) {
              s3 = peg$c40;
              peg$currPos += 7;
            } else {
              s3 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e46); }
            }
            if (s3 === peg$FAILED) {
              if (input.substr(peg$currPos, 6) === peg$c41) {
                s3 = peg$c41;
                peg$currPos += 6;
              } else {
                s3 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$e47); }
              }
            }
          }
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parse__();
          if (s4 !== peg$FAILED) {
            if (input.substr(peg$currPos, 6) === peg$c42) {
              s5 = peg$c42;
              peg$currPos += 6;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e48); }
            }
            if (s5 === peg$FAILED) {
              if (input.substr(peg$currPos, 5) === peg$c43) {
                s5 = peg$c43;
                peg$currPos += 5;
              } else {
                s5 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$e49); }
              }
              if (s5 === peg$FAILED) {
                if (input.substr(peg$currPos, 6) === peg$c44) {
                  s5 = peg$c44;
                  peg$currPos += 6;
                } else {
                  s5 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$e50); }
                }
                if (s5 === peg$FAILED) {
                  if (input.substr(peg$currPos, 7) === peg$c45) {
                    s5 = peg$c45;
                    peg$currPos += 7;
                  } else {
                    s5 = peg$FAILED;
                    if (peg$silentFails === 0) { peg$fail(peg$e51); }
                  }
                }
              }
            }
            if (s5 !== peg$FAILED) {
              peg$savedPos = s0;
              s0 = peg$f35(s3, s5);
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseBlurBehavior() {
    let s0, s1, s2, s3, s4, s5, s6;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 8) === peg$c46) {
      s1 = peg$c46;
      peg$currPos += 8;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e52); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        if (input.substr(peg$currPos, 5) === peg$c47) {
          s3 = peg$c47;
          peg$currPos += 5;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e53); }
        }
        if (s3 === peg$FAILED) {
          if (input.substr(peg$currPos, 8) === peg$c48) {
            s3 = peg$c48;
            peg$currPos += 8;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e54); }
          }
          if (s3 === peg$FAILED) {
            if (input.substr(peg$currPos, 10) === peg$c49) {
              s3 = peg$c49;
              peg$currPos += 10;
            } else {
              s3 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e55); }
            }
          }
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$currPos;
          s5 = peg$parse__();
          if (s5 !== peg$FAILED) {
            if (input.substr(peg$currPos, 13) === peg$c50) {
              s6 = peg$c50;
              peg$currPos += 13;
            } else {
              s6 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e56); }
            }
            if (s6 === peg$FAILED) {
              if (input.substr(peg$currPos, 13) === peg$c51) {
                s6 = peg$c51;
                peg$currPos += 13;
              } else {
                s6 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$e57); }
              }
              if (s6 === peg$FAILED) {
                if (input.substr(peg$currPos, 13) === peg$c52) {
                  s6 = peg$c52;
                  peg$currPos += 13;
                } else {
                  s6 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$e58); }
                }
              }
            }
            if (s6 !== peg$FAILED) {
              s5 = [s5, s6];
              s4 = s5;
            } else {
              peg$currPos = s4;
              s4 = peg$FAILED;
            }
          } else {
            peg$currPos = s4;
            s4 = peg$FAILED;
          }
          if (s4 === peg$FAILED) {
            s4 = null;
          }
          peg$savedPos = s0;
          s0 = peg$f36(s3, s4);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseTTLBehavior() {
    let s0, s1, s2, s3;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 3) === peg$c53) {
      s1 = peg$c53;
      peg$currPos += 3;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e59); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseDuration();
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f37(s3);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseCacheDirective() {
    let s0, s1, s2, s3;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 5) === peg$c54) {
      s1 = peg$c54;
      peg$currPos += 5;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e60); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        if (input.substr(peg$currPos, 5) === peg$c55) {
          s3 = peg$c55;
          peg$currPos += 5;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e61); }
        }
        if (s3 === peg$FAILED) {
          if (input.substr(peg$currPos, 4) === peg$c56) {
            s3 = peg$c56;
            peg$currPos += 4;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e62); }
          }
        }
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f38(s3);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseLogicalOr() {
    let s0, s1, s2, s3, s4, s5, s6, s7;

    s0 = peg$currPos;
    s1 = peg$parseLogicalAnd();
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$currPos;
      s4 = peg$parse_();
      if (input.substr(peg$currPos, 2) === peg$c57) {
        s5 = peg$c57;
        peg$currPos += 2;
      } else {
        s5 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e63); }
      }
      if (s5 !== peg$FAILED) {
        s6 = peg$parse_();
        s7 = peg$parseLogicalAnd();
        if (s7 !== peg$FAILED) {
          s4 = [s4, s5, s6, s7];
          s3 = s4;
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      } else {
        peg$currPos = s3;
        s3 = peg$FAILED;
      }
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$currPos;
        s4 = peg$parse_();
        if (input.substr(peg$currPos, 2) === peg$c57) {
          s5 = peg$c57;
          peg$currPos += 2;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e63); }
        }
        if (s5 !== peg$FAILED) {
          s6 = peg$parse_();
          s7 = peg$parseLogicalAnd();
          if (s7 !== peg$FAILED) {
            s4 = [s4, s5, s6, s7];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      }
      peg$savedPos = s0;
      s0 = peg$f39(s1, s2);
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseLogicalAnd() {
    let s0, s1, s2, s3, s4, s5, s6, s7;

    s0 = peg$currPos;
    s1 = peg$parseComparison();
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$currPos;
      s4 = peg$parse_();
      if (input.substr(peg$currPos, 2) === peg$c58) {
        s5 = peg$c58;
        peg$currPos += 2;
      } else {
        s5 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e64); }
      }
      if (s5 !== peg$FAILED) {
        s6 = peg$parse_();
        s7 = peg$parseComparison();
        if (s7 !== peg$FAILED) {
          s4 = [s4, s5, s6, s7];
          s3 = s4;
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      } else {
        peg$currPos = s3;
        s3 = peg$FAILED;
      }
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$currPos;
        s4 = peg$parse_();
        if (input.substr(peg$currPos, 2) === peg$c58) {
          s5 = peg$c58;
          peg$currPos += 2;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e64); }
        }
        if (s5 !== peg$FAILED) {
          s6 = peg$parse_();
          s7 = peg$parseComparison();
          if (s7 !== peg$FAILED) {
            s4 = [s4, s5, s6, s7];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      }
      peg$savedPos = s0;
      s0 = peg$f40(s1, s2);
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseComparison() {
    let s0, s1, s2, s3, s4, s5, s6, s7;

    s0 = peg$currPos;
    s1 = peg$parseTemporalComparison();
    if (s1 !== peg$FAILED) {
      s2 = peg$parse_();
      if (input.substr(peg$currPos, 2) === peg$c59) {
        s3 = peg$c59;
        peg$currPos += 2;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e65); }
      }
      if (s3 !== peg$FAILED) {
        s4 = peg$parse__();
        if (s4 !== peg$FAILED) {
          s5 = peg$parseTypeName();
          if (s5 !== peg$FAILED) {
            peg$savedPos = s0;
            s0 = peg$f41(s1, s5);
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      s1 = peg$parseTemporalComparison();
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$currPos;
        s4 = peg$parse_();
        if (input.substr(peg$currPos, 2) === peg$c60) {
          s5 = peg$c60;
          peg$currPos += 2;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e66); }
        }
        if (s5 === peg$FAILED) {
          if (input.substr(peg$currPos, 2) === peg$c61) {
            s5 = peg$c61;
            peg$currPos += 2;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e67); }
          }
          if (s5 === peg$FAILED) {
            if (input.substr(peg$currPos, 2) === peg$c62) {
              s5 = peg$c62;
              peg$currPos += 2;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e68); }
            }
            if (s5 === peg$FAILED) {
              if (input.substr(peg$currPos, 2) === peg$c63) {
                s5 = peg$c63;
                peg$currPos += 2;
              } else {
                s5 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$e69); }
              }
              if (s5 === peg$FAILED) {
                s5 = input.charAt(peg$currPos);
                if (peg$r0.test(s5)) {
                  peg$currPos++;
                } else {
                  s5 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$e70); }
                }
              }
            }
          }
        }
        if (s5 !== peg$FAILED) {
          s6 = peg$parse_();
          s7 = peg$parseTemporalComparison();
          if (s7 !== peg$FAILED) {
            s4 = [s4, s5, s6, s7];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$currPos;
          s4 = peg$parse_();
          if (input.substr(peg$currPos, 2) === peg$c60) {
            s5 = peg$c60;
            peg$currPos += 2;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e66); }
          }
          if (s5 === peg$FAILED) {
            if (input.substr(peg$currPos, 2) === peg$c61) {
              s5 = peg$c61;
              peg$currPos += 2;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e67); }
            }
            if (s5 === peg$FAILED) {
              if (input.substr(peg$currPos, 2) === peg$c62) {
                s5 = peg$c62;
                peg$currPos += 2;
              } else {
                s5 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$e68); }
              }
              if (s5 === peg$FAILED) {
                if (input.substr(peg$currPos, 2) === peg$c63) {
                  s5 = peg$c63;
                  peg$currPos += 2;
                } else {
                  s5 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$e69); }
                }
                if (s5 === peg$FAILED) {
                  s5 = input.charAt(peg$currPos);
                  if (peg$r0.test(s5)) {
                    peg$currPos++;
                  } else {
                    s5 = peg$FAILED;
                    if (peg$silentFails === 0) { peg$fail(peg$e70); }
                  }
                }
              }
            }
          }
          if (s5 !== peg$FAILED) {
            s6 = peg$parse_();
            s7 = peg$parseTemporalComparison();
            if (s7 !== peg$FAILED) {
              s4 = [s4, s5, s6, s7];
              s3 = s4;
            } else {
              peg$currPos = s3;
              s3 = peg$FAILED;
            }
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        }
        peg$savedPos = s0;
        s0 = peg$f42(s1, s2);
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    }

    return s0;
  }

  function peg$parseTemporalComparison() {
    let s0, s1, s2, s3, s4, s5;

    s0 = peg$currPos;
    s1 = peg$parseAddition();
    if (s1 !== peg$FAILED) {
      s2 = peg$parse_();
      if (input.substr(peg$currPos, 6) === peg$c13) {
        s3 = peg$c13;
        peg$currPos += 6;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e17); }
      }
      if (s3 !== peg$FAILED) {
        s4 = peg$parse__();
        if (s4 !== peg$FAILED) {
          s5 = peg$parseDuration();
          if (s5 !== peg$FAILED) {
            peg$savedPos = s0;
            s0 = peg$f43(s1, s5);
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$parseAddition();
    }

    return s0;
  }

  function peg$parseAddition() {
    let s0, s1, s2, s3, s4, s5, s6, s7;

    s0 = peg$currPos;
    s1 = peg$parseMultiplication();
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$currPos;
      s4 = peg$parse_i();
      s5 = input.charAt(peg$currPos);
      if (peg$r1.test(s5)) {
        peg$currPos++;
      } else {
        s5 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e71); }
      }
      if (s5 !== peg$FAILED) {
        s6 = peg$parse_i();
        s7 = peg$parseMultiplication();
        if (s7 !== peg$FAILED) {
          s4 = [s4, s5, s6, s7];
          s3 = s4;
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      } else {
        peg$currPos = s3;
        s3 = peg$FAILED;
      }
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$currPos;
        s4 = peg$parse_i();
        s5 = input.charAt(peg$currPos);
        if (peg$r1.test(s5)) {
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e71); }
        }
        if (s5 !== peg$FAILED) {
          s6 = peg$parse_i();
          s7 = peg$parseMultiplication();
          if (s7 !== peg$FAILED) {
            s4 = [s4, s5, s6, s7];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      }
      peg$savedPos = s0;
      s0 = peg$f44(s1, s2);
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseMultiplication() {
    let s0, s1, s2, s3, s4, s5, s6, s7;

    s0 = peg$currPos;
    s1 = peg$parseUnary();
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$currPos;
      s4 = peg$parse_i();
      s5 = input.charAt(peg$currPos);
      if (peg$r2.test(s5)) {
        peg$currPos++;
      } else {
        s5 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e72); }
      }
      if (s5 !== peg$FAILED) {
        s6 = peg$parse_i();
        s7 = peg$parseUnary();
        if (s7 !== peg$FAILED) {
          s4 = [s4, s5, s6, s7];
          s3 = s4;
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      } else {
        peg$currPos = s3;
        s3 = peg$FAILED;
      }
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$currPos;
        s4 = peg$parse_i();
        s5 = input.charAt(peg$currPos);
        if (peg$r2.test(s5)) {
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e72); }
        }
        if (s5 !== peg$FAILED) {
          s6 = peg$parse_i();
          s7 = peg$parseUnary();
          if (s7 !== peg$FAILED) {
            s4 = [s4, s5, s6, s7];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      }
      peg$savedPos = s0;
      s0 = peg$f45(s1, s2);
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseUnary() {
    let s0, s1, s2, s3;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 3) === peg$c64) {
      s1 = peg$c64;
      peg$currPos += 3;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e73); }
    }
    if (s1 === peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 33) {
        s1 = peg$c65;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e74); }
      }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseUnary();
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f46(s1, s3);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$parsePostfix();
    }

    return s0;
  }

  function peg$parsePostfix() {
    let s0, s1, s2;

    s0 = peg$currPos;
    s1 = peg$parseAttributeAccess();
    if (s1 === peg$FAILED) {
      s1 = peg$parsePrimaryTerm();
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseBindingClause();
      if (s2 === peg$FAILED) {
        s2 = null;
      }
      peg$savedPos = s0;
      s0 = peg$f47(s1, s2);
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseAttributeAccess() {
    let s0, s1, s2, s3, s4, s5, s6, s7;

    s0 = peg$currPos;
    s1 = peg$parsePrimaryTerm();
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$currPos;
      s4 = peg$parse_();
      if (input.charCodeAt(peg$currPos) === 46) {
        s5 = peg$c66;
        peg$currPos++;
      } else {
        s5 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e75); }
      }
      if (s5 !== peg$FAILED) {
        s6 = peg$parse_();
        s7 = peg$parseIdentifier();
        if (s7 !== peg$FAILED) {
          s4 = [s4, s5, s6, s7];
          s3 = s4;
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      } else {
        peg$currPos = s3;
        s3 = peg$FAILED;
      }
      if (s3 !== peg$FAILED) {
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$currPos;
          s4 = peg$parse_();
          if (input.charCodeAt(peg$currPos) === 46) {
            s5 = peg$c66;
            peg$currPos++;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e75); }
          }
          if (s5 !== peg$FAILED) {
            s6 = peg$parse_();
            s7 = peg$parseIdentifier();
            if (s7 !== peg$FAILED) {
              s4 = [s4, s5, s6, s7];
              s3 = s4;
            } else {
              peg$currPos = s3;
              s3 = peg$FAILED;
            }
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        }
      } else {
        s2 = peg$FAILED;
      }
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s0 = peg$f48(s1, s2);
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parsePrimaryTerm() {
    let s0, s1, s2, s3, s4, s5;

    peg$silentFails++;
    s0 = peg$parseChallengePredicate();
    if (s0 === peg$FAILED) {
      s0 = peg$parseLiteral();
      if (s0 === peg$FAILED) {
        s0 = peg$parsePredicateCall();
        if (s0 === peg$FAILED) {
          s0 = peg$parseVariable();
          if (s0 === peg$FAILED) {
            s0 = peg$currPos;
            if (input.charCodeAt(peg$currPos) === 40) {
              s1 = peg$c10;
              peg$currPos++;
            } else {
              s1 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e12); }
            }
            if (s1 !== peg$FAILED) {
              s2 = peg$parse_();
              s3 = peg$parseLogicalOr();
              if (s3 !== peg$FAILED) {
                s4 = peg$parse_();
                if (input.charCodeAt(peg$currPos) === 41) {
                  s5 = peg$c11;
                  peg$currPos++;
                } else {
                  s5 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$e13); }
                }
                if (s5 !== peg$FAILED) {
                  peg$savedPos = s0;
                  s0 = peg$f49(s3);
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          }
        }
      }
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e76); }
    }

    return s0;
  }

  function peg$parseChallengePredicate() {
    let s0, s1, s2, s3, s4, s5, s6, s7, s8;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 42) {
      s1 = peg$c9;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e11); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseIdentifier();
      if (s2 !== peg$FAILED) {
        s3 = peg$parse_();
        if (input.charCodeAt(peg$currPos) === 40) {
          s4 = peg$c10;
          peg$currPos++;
        } else {
          s4 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e12); }
        }
        if (s4 !== peg$FAILED) {
          s5 = peg$parse_();
          s6 = peg$parseArgumentList();
          if (s6 === peg$FAILED) {
            s6 = null;
          }
          s7 = peg$parse_();
          if (input.charCodeAt(peg$currPos) === 41) {
            s8 = peg$c11;
            peg$currPos++;
          } else {
            s8 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e13); }
          }
          if (s8 !== peg$FAILED) {
            peg$savedPos = s0;
            s0 = peg$f50(s2, s6);
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parsePredicateCall() {
    let s0, s1, s2, s3, s4, s5, s6;

    s0 = peg$currPos;
    s1 = peg$parseIdentifier();
    if (s1 !== peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 40) {
        s2 = peg$c10;
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e12); }
      }
      if (s2 !== peg$FAILED) {
        s3 = peg$parse_();
        s4 = peg$parseArgumentList();
        if (s4 === peg$FAILED) {
          s4 = null;
        }
        s5 = peg$parse_();
        if (input.charCodeAt(peg$currPos) === 41) {
          s6 = peg$c11;
          peg$currPos++;
        } else {
          s6 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e13); }
        }
        if (s6 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f51(s1, s4);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseVariable() {
    let s0, s1;

    s0 = peg$currPos;
    s1 = peg$parseIdentifier();
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$f52(s1);
    }
    s0 = s1;

    return s0;
  }

  function peg$parseArgumentList() {
    let s0, s1, s2, s3, s4, s5, s6, s7;

    s0 = peg$currPos;
    s1 = peg$parseLogicalOr();
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$currPos;
      s4 = peg$parse_();
      if (input.charCodeAt(peg$currPos) === 44) {
        s5 = peg$c24;
        peg$currPos++;
      } else {
        s5 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e30); }
      }
      if (s5 !== peg$FAILED) {
        s6 = peg$parse_();
        s7 = peg$parseLogicalOr();
        if (s7 !== peg$FAILED) {
          s4 = [s4, s5, s6, s7];
          s3 = s4;
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      } else {
        peg$currPos = s3;
        s3 = peg$FAILED;
      }
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$currPos;
        s4 = peg$parse_();
        if (input.charCodeAt(peg$currPos) === 44) {
          s5 = peg$c24;
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e30); }
        }
        if (s5 !== peg$FAILED) {
          s6 = peg$parse_();
          s7 = peg$parseLogicalOr();
          if (s7 !== peg$FAILED) {
            s4 = [s4, s5, s6, s7];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      }
      peg$savedPos = s0;
      s0 = peg$f53(s1, s2);
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseExpressionList() {
    let s0, s1, s2, s3, s4, s5, s6, s7;

    s0 = peg$currPos;
    s1 = peg$parseLogicalOr();
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$currPos;
      s4 = peg$parse_();
      if (input.charCodeAt(peg$currPos) === 44) {
        s5 = peg$c24;
        peg$currPos++;
      } else {
        s5 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e30); }
      }
      if (s5 !== peg$FAILED) {
        s6 = peg$parse_();
        s7 = peg$parseLogicalOr();
        if (s7 !== peg$FAILED) {
          s4 = [s4, s5, s6, s7];
          s3 = s4;
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      } else {
        peg$currPos = s3;
        s3 = peg$FAILED;
      }
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$currPos;
        s4 = peg$parse_();
        if (input.charCodeAt(peg$currPos) === 44) {
          s5 = peg$c24;
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e30); }
        }
        if (s5 !== peg$FAILED) {
          s6 = peg$parse_();
          s7 = peg$parseLogicalOr();
          if (s7 !== peg$FAILED) {
            s4 = [s4, s5, s6, s7];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      }
      peg$savedPos = s0;
      s0 = peg$f54(s1, s2);
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseLiteral() {
    let s0;

    s0 = peg$parseString();
    if (s0 === peg$FAILED) {
      s0 = peg$parseFloat();
      if (s0 === peg$FAILED) {
        s0 = peg$parseInteger();
        if (s0 === peg$FAILED) {
          s0 = peg$parseBoolean();
          if (s0 === peg$FAILED) {
            s0 = peg$parseDuration();
          }
        }
      }
    }

    return s0;
  }

  function peg$parseString() {
    let s0, s1, s2, s3, s4, s5;

    peg$silentFails++;
    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 34) {
      s1 = peg$c67;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e78); }
    }
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$currPos;
      s4 = peg$currPos;
      peg$silentFails++;
      s5 = input.charAt(peg$currPos);
      if (peg$r3.test(s5)) {
        peg$currPos++;
      } else {
        s5 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e79); }
      }
      peg$silentFails--;
      if (s5 === peg$FAILED) {
        s4 = undefined;
      } else {
        peg$currPos = s4;
        s4 = peg$FAILED;
      }
      if (s4 !== peg$FAILED) {
        if (input.length > peg$currPos) {
          s5 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e80); }
        }
        if (s5 !== peg$FAILED) {
          s4 = [s4, s5];
          s3 = s4;
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      } else {
        peg$currPos = s3;
        s3 = peg$FAILED;
      }
      if (s3 === peg$FAILED) {
        s3 = peg$currPos;
        if (input.charCodeAt(peg$currPos) === 92) {
          s4 = peg$c68;
          peg$currPos++;
        } else {
          s4 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e81); }
        }
        if (s4 !== peg$FAILED) {
          if (input.length > peg$currPos) {
            s5 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e80); }
          }
          if (s5 !== peg$FAILED) {
            s4 = [s4, s5];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
      }
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$currPos;
        s4 = peg$currPos;
        peg$silentFails++;
        s5 = input.charAt(peg$currPos);
        if (peg$r3.test(s5)) {
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e79); }
        }
        peg$silentFails--;
        if (s5 === peg$FAILED) {
          s4 = undefined;
        } else {
          peg$currPos = s4;
          s4 = peg$FAILED;
        }
        if (s4 !== peg$FAILED) {
          if (input.length > peg$currPos) {
            s5 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e80); }
          }
          if (s5 !== peg$FAILED) {
            s4 = [s4, s5];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
        if (s3 === peg$FAILED) {
          s3 = peg$currPos;
          if (input.charCodeAt(peg$currPos) === 92) {
            s4 = peg$c68;
            peg$currPos++;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e81); }
          }
          if (s4 !== peg$FAILED) {
            if (input.length > peg$currPos) {
              s5 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e80); }
            }
            if (s5 !== peg$FAILED) {
              s4 = [s4, s5];
              s3 = s4;
            } else {
              peg$currPos = s3;
              s3 = peg$FAILED;
            }
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        }
      }
      if (input.charCodeAt(peg$currPos) === 34) {
        s3 = peg$c67;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e78); }
      }
      if (s3 !== peg$FAILED) {
        peg$savedPos = s0;
        s0 = peg$f55(s2);
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 39) {
        s1 = peg$c69;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e82); }
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$currPos;
        s4 = peg$currPos;
        peg$silentFails++;
        s5 = input.charAt(peg$currPos);
        if (peg$r4.test(s5)) {
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e83); }
        }
        peg$silentFails--;
        if (s5 === peg$FAILED) {
          s4 = undefined;
        } else {
          peg$currPos = s4;
          s4 = peg$FAILED;
        }
        if (s4 !== peg$FAILED) {
          if (input.length > peg$currPos) {
            s5 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e80); }
          }
          if (s5 !== peg$FAILED) {
            s4 = [s4, s5];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
        if (s3 === peg$FAILED) {
          s3 = peg$currPos;
          if (input.charCodeAt(peg$currPos) === 92) {
            s4 = peg$c68;
            peg$currPos++;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e81); }
          }
          if (s4 !== peg$FAILED) {
            if (input.length > peg$currPos) {
              s5 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e80); }
            }
            if (s5 !== peg$FAILED) {
              s4 = [s4, s5];
              s3 = s4;
            } else {
              peg$currPos = s3;
              s3 = peg$FAILED;
            }
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        }
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$currPos;
          s4 = peg$currPos;
          peg$silentFails++;
          s5 = input.charAt(peg$currPos);
          if (peg$r4.test(s5)) {
            peg$currPos++;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e83); }
          }
          peg$silentFails--;
          if (s5 === peg$FAILED) {
            s4 = undefined;
          } else {
            peg$currPos = s4;
            s4 = peg$FAILED;
          }
          if (s4 !== peg$FAILED) {
            if (input.length > peg$currPos) {
              s5 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e80); }
            }
            if (s5 !== peg$FAILED) {
              s4 = [s4, s5];
              s3 = s4;
            } else {
              peg$currPos = s3;
              s3 = peg$FAILED;
            }
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
          if (s3 === peg$FAILED) {
            s3 = peg$currPos;
            if (input.charCodeAt(peg$currPos) === 92) {
              s4 = peg$c68;
              peg$currPos++;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e81); }
            }
            if (s4 !== peg$FAILED) {
              if (input.length > peg$currPos) {
                s5 = input.charAt(peg$currPos);
                peg$currPos++;
              } else {
                s5 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$e80); }
              }
              if (s5 !== peg$FAILED) {
                s4 = [s4, s5];
                s3 = s4;
              } else {
                peg$currPos = s3;
                s3 = peg$FAILED;
              }
            } else {
              peg$currPos = s3;
              s3 = peg$FAILED;
            }
          }
        }
        if (input.charCodeAt(peg$currPos) === 39) {
          s3 = peg$c69;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e82); }
        }
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f56(s2);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e77); }
    }

    return s0;
  }

  function peg$parseFloat() {
    let s0, s1, s2, s3, s4, s5;

    peg$silentFails++;
    s0 = peg$currPos;
    s1 = peg$currPos;
    s2 = [];
    s3 = input.charAt(peg$currPos);
    if (peg$r5.test(s3)) {
      peg$currPos++;
    } else {
      s3 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e85); }
    }
    if (s3 !== peg$FAILED) {
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = input.charAt(peg$currPos);
        if (peg$r5.test(s3)) {
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e85); }
        }
      }
    } else {
      s2 = peg$FAILED;
    }
    if (s2 !== peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 46) {
        s3 = peg$c66;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e75); }
      }
      if (s3 !== peg$FAILED) {
        s4 = [];
        s5 = input.charAt(peg$currPos);
        if (peg$r5.test(s5)) {
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e85); }
        }
        if (s5 !== peg$FAILED) {
          while (s5 !== peg$FAILED) {
            s4.push(s5);
            s5 = input.charAt(peg$currPos);
            if (peg$r5.test(s5)) {
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e85); }
            }
          }
        } else {
          s4 = peg$FAILED;
        }
        if (s4 !== peg$FAILED) {
          s2 = [s2, s3, s4];
          s1 = s2;
        } else {
          peg$currPos = s1;
          s1 = peg$FAILED;
        }
      } else {
        peg$currPos = s1;
        s1 = peg$FAILED;
      }
    } else {
      peg$currPos = s1;
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$f57(s1);
    }
    s0 = s1;
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e84); }
    }

    return s0;
  }

  function peg$parseInteger() {
    let s0, s1, s2;

    peg$silentFails++;
    s0 = peg$currPos;
    s1 = [];
    s2 = input.charAt(peg$currPos);
    if (peg$r5.test(s2)) {
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e85); }
    }
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = input.charAt(peg$currPos);
        if (peg$r5.test(s2)) {
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e85); }
        }
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$f58(s1);
    }
    s0 = s1;
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e86); }
    }

    return s0;
  }

  function peg$parseBoolean() {
    let s0, s1;

    peg$silentFails++;
    s0 = peg$currPos;
    if (input.substr(peg$currPos, 4) === peg$c70) {
      s1 = peg$c70;
      peg$currPos += 4;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e88); }
    }
    if (s1 === peg$FAILED) {
      if (input.substr(peg$currPos, 5) === peg$c71) {
        s1 = peg$c71;
        peg$currPos += 5;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e89); }
      }
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$f59(s1);
    }
    s0 = s1;
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e87); }
    }

    return s0;
  }

  function peg$parseDuration() {
    let s0, s1, s2, s3;

    peg$silentFails++;
    s0 = peg$currPos;
    s1 = peg$currPos;
    s2 = [];
    s3 = input.charAt(peg$currPos);
    if (peg$r5.test(s3)) {
      peg$currPos++;
    } else {
      s3 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e85); }
    }
    if (s3 !== peg$FAILED) {
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = input.charAt(peg$currPos);
        if (peg$r5.test(s3)) {
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e85); }
        }
      }
    } else {
      s2 = peg$FAILED;
    }
    if (s2 !== peg$FAILED) {
      s3 = input.charAt(peg$currPos);
      if (peg$r6.test(s3)) {
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e91); }
      }
      if (s3 !== peg$FAILED) {
        s2 = [s2, s3];
        s1 = s2;
      } else {
        peg$currPos = s1;
        s1 = peg$FAILED;
      }
    } else {
      peg$currPos = s1;
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$f60(s1);
    }
    s0 = s1;
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e90); }
    }

    return s0;
  }

  function peg$parseIdentifier() {
    let s0, s1, s2, s3, s4, s5, s6;

    s0 = peg$currPos;
    s1 = peg$currPos;
    peg$silentFails++;
    s2 = peg$parseKeyword();
    peg$silentFails--;
    if (s2 === peg$FAILED) {
      s1 = undefined;
    } else {
      peg$currPos = s1;
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$currPos;
      s3 = peg$currPos;
      s4 = input.charAt(peg$currPos);
      if (peg$r7.test(s4)) {
        peg$currPos++;
      } else {
        s4 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e92); }
      }
      if (s4 !== peg$FAILED) {
        s5 = [];
        s6 = input.charAt(peg$currPos);
        if (peg$r8.test(s6)) {
          peg$currPos++;
        } else {
          s6 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e93); }
        }
        while (s6 !== peg$FAILED) {
          s5.push(s6);
          s6 = input.charAt(peg$currPos);
          if (peg$r8.test(s6)) {
            peg$currPos++;
          } else {
            s6 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e93); }
          }
        }
        s4 = [s4, s5];
        s3 = s4;
      } else {
        peg$currPos = s3;
        s3 = peg$FAILED;
      }
      if (s3 !== peg$FAILED) {
        s2 = input.substring(s2, peg$currPos);
      } else {
        s2 = s3;
      }
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s0 = peg$f61(s2);
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseKeyword() {
    let s0, s1, s2, s3;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 10) === peg$c0) {
      s1 = peg$c0;
      peg$currPos += 10;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e1); }
    }
    if (s1 === peg$FAILED) {
      if (input.substr(peg$currPos, 4) === peg$c1) {
        s1 = peg$c1;
        peg$currPos += 4;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e2); }
      }
      if (s1 === peg$FAILED) {
        if (input.substr(peg$currPos, 4) === peg$c7) {
          s1 = peg$c7;
          peg$currPos += 4;
        } else {
          s1 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e9); }
        }
        if (s1 === peg$FAILED) {
          if (input.substr(peg$currPos, 8) === peg$c8) {
            s1 = peg$c8;
            peg$currPos += 8;
          } else {
            s1 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e10); }
          }
          if (s1 === peg$FAILED) {
            if (input.substr(peg$currPos, 8) === peg$c14) {
              s1 = peg$c14;
              peg$currPos += 8;
            } else {
              s1 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e19); }
            }
            if (s1 === peg$FAILED) {
              if (input.substr(peg$currPos, 7) === peg$c15) {
                s1 = peg$c15;
                peg$currPos += 7;
              } else {
                s1 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$e21); }
              }
              if (s1 === peg$FAILED) {
                if (input.substr(peg$currPos, 7) === peg$c29) {
                  s1 = peg$c29;
                  peg$currPos += 7;
                } else {
                  s1 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$e35); }
                }
                if (s1 === peg$FAILED) {
                  if (input.substr(peg$currPos, 2) === peg$c30) {
                    s1 = peg$c30;
                    peg$currPos += 2;
                  } else {
                    s1 = peg$FAILED;
                    if (peg$silentFails === 0) { peg$fail(peg$e36); }
                  }
                  if (s1 === peg$FAILED) {
                    if (input.substr(peg$currPos, 5) === peg$c54) {
                      s1 = peg$c54;
                      peg$currPos += 5;
                    } else {
                      s1 = peg$FAILED;
                      if (peg$silentFails === 0) { peg$fail(peg$e60); }
                    }
                    if (s1 === peg$FAILED) {
                      if (input.substr(peg$currPos, 8) === peg$c37) {
                        s1 = peg$c37;
                        peg$currPos += 8;
                      } else {
                        s1 = peg$FAILED;
                        if (peg$silentFails === 0) { peg$fail(peg$e43); }
                      }
                      if (s1 === peg$FAILED) {
                        if (input.substr(peg$currPos, 8) === peg$c46) {
                          s1 = peg$c46;
                          peg$currPos += 8;
                        } else {
                          s1 = peg$FAILED;
                          if (peg$silentFails === 0) { peg$fail(peg$e52); }
                        }
                        if (s1 === peg$FAILED) {
                          if (input.substr(peg$currPos, 3) === peg$c53) {
                            s1 = peg$c53;
                            peg$currPos += 3;
                          } else {
                            s1 = peg$FAILED;
                            if (peg$silentFails === 0) { peg$fail(peg$e59); }
                          }
                          if (s1 === peg$FAILED) {
                            if (input.substr(peg$currPos, 10) === peg$c32) {
                              s1 = peg$c32;
                              peg$currPos += 10;
                            } else {
                              s1 = peg$FAILED;
                              if (peg$silentFails === 0) { peg$fail(peg$e38); }
                            }
                            if (s1 === peg$FAILED) {
                              if (input.substr(peg$currPos, 11) === peg$c35) {
                                s1 = peg$c35;
                                peg$currPos += 11;
                              } else {
                                s1 = peg$FAILED;
                                if (peg$silentFails === 0) { peg$fail(peg$e41); }
                              }
                              if (s1 === peg$FAILED) {
                                if (input.substr(peg$currPos, 12) === peg$c33) {
                                  s1 = peg$c33;
                                  peg$currPos += 12;
                                } else {
                                  s1 = peg$FAILED;
                                  if (peg$silentFails === 0) { peg$fail(peg$e39); }
                                }
                                if (s1 === peg$FAILED) {
                                  if (input.substr(peg$currPos, 17) === peg$c34) {
                                    s1 = peg$c34;
                                    peg$currPos += 17;
                                  } else {
                                    s1 = peg$FAILED;
                                    if (peg$silentFails === 0) { peg$fail(peg$e40); }
                                  }
                                  if (s1 === peg$FAILED) {
                                    if (input.substr(peg$currPos, 4) === peg$c31) {
                                      s1 = peg$c31;
                                      peg$currPos += 4;
                                    } else {
                                      s1 = peg$FAILED;
                                      if (peg$silentFails === 0) { peg$fail(peg$e37); }
                                    }
                                    if (s1 === peg$FAILED) {
                                      if (input.substr(peg$currPos, 5) === peg$c36) {
                                        s1 = peg$c36;
                                        peg$currPos += 5;
                                      } else {
                                        s1 = peg$FAILED;
                                        if (peg$silentFails === 0) { peg$fail(peg$e42); }
                                      }
                                      if (s1 === peg$FAILED) {
                                        if (input.substr(peg$currPos, 8) === peg$c28) {
                                          s1 = peg$c28;
                                          peg$currPos += 8;
                                        } else {
                                          s1 = peg$FAILED;
                                          if (peg$silentFails === 0) { peg$fail(peg$e34); }
                                        }
                                        if (s1 === peg$FAILED) {
                                          if (input.substr(peg$currPos, 6) === peg$c23) {
                                            s1 = peg$c23;
                                            peg$currPos += 6;
                                          } else {
                                            s1 = peg$FAILED;
                                            if (peg$silentFails === 0) { peg$fail(peg$e29); }
                                          }
                                          if (s1 === peg$FAILED) {
                                            if (input.substr(peg$currPos, 9) === peg$c26) {
                                              s1 = peg$c26;
                                              peg$currPos += 9;
                                            } else {
                                              s1 = peg$FAILED;
                                              if (peg$silentFails === 0) { peg$fail(peg$e32); }
                                            }
                                            if (s1 === peg$FAILED) {
                                              if (input.substr(peg$currPos, 5) === peg$c27) {
                                                s1 = peg$c27;
                                                peg$currPos += 5;
                                              } else {
                                                s1 = peg$FAILED;
                                                if (peg$silentFails === 0) { peg$fail(peg$e33); }
                                              }
                                              if (s1 === peg$FAILED) {
                                                if (input.substr(peg$currPos, 5) === peg$c17) {
                                                  s1 = peg$c17;
                                                  peg$currPos += 5;
                                                } else {
                                                  s1 = peg$FAILED;
                                                  if (peg$silentFails === 0) { peg$fail(peg$e23); }
                                                }
                                                if (s1 === peg$FAILED) {
                                                  if (input.substr(peg$currPos, 6) === peg$c18) {
                                                    s1 = peg$c18;
                                                    peg$currPos += 6;
                                                  } else {
                                                    s1 = peg$FAILED;
                                                    if (peg$silentFails === 0) { peg$fail(peg$e24); }
                                                  }
                                                  if (s1 === peg$FAILED) {
                                                    if (input.substr(peg$currPos, 4) === peg$c20) {
                                                      s1 = peg$c20;
                                                      peg$currPos += 4;
                                                    } else {
                                                      s1 = peg$FAILED;
                                                      if (peg$silentFails === 0) { peg$fail(peg$e26); }
                                                    }
                                                    if (s1 === peg$FAILED) {
                                                      if (input.substr(peg$currPos, 6) === peg$c21) {
                                                        s1 = peg$c21;
                                                        peg$currPos += 6;
                                                      } else {
                                                        s1 = peg$FAILED;
                                                        if (peg$silentFails === 0) { peg$fail(peg$e27); }
                                                      }
                                                      if (s1 === peg$FAILED) {
                                                        if (input.substr(peg$currPos, 8) === peg$c19) {
                                                          s1 = peg$c19;
                                                          peg$currPos += 8;
                                                        } else {
                                                          s1 = peg$FAILED;
                                                          if (peg$silentFails === 0) { peg$fail(peg$e25); }
                                                        }
                                                        if (s1 === peg$FAILED) {
                                                          if (input.substr(peg$currPos, 4) === peg$c25) {
                                                            s1 = peg$c25;
                                                            peg$currPos += 4;
                                                          } else {
                                                            s1 = peg$FAILED;
                                                            if (peg$silentFails === 0) { peg$fail(peg$e31); }
                                                          }
                                                          if (s1 === peg$FAILED) {
                                                            if (input.substr(peg$currPos, 4) === peg$c70) {
                                                              s1 = peg$c70;
                                                              peg$currPos += 4;
                                                            } else {
                                                              s1 = peg$FAILED;
                                                              if (peg$silentFails === 0) { peg$fail(peg$e88); }
                                                            }
                                                            if (s1 === peg$FAILED) {
                                                              if (input.substr(peg$currPos, 5) === peg$c71) {
                                                                s1 = peg$c71;
                                                                peg$currPos += 5;
                                                              } else {
                                                                s1 = peg$FAILED;
                                                                if (peg$silentFails === 0) { peg$fail(peg$e89); }
                                                              }
                                                              if (s1 === peg$FAILED) {
                                                                if (input.substr(peg$currPos, 3) === peg$c64) {
                                                                  s1 = peg$c64;
                                                                  peg$currPos += 3;
                                                                } else {
                                                                  s1 = peg$FAILED;
                                                                  if (peg$silentFails === 0) { peg$fail(peg$e73); }
                                                                }
                                                                if (s1 === peg$FAILED) {
                                                                  if (input.substr(peg$currPos, 6) === peg$c13) {
                                                                    s1 = peg$c13;
                                                                    peg$currPos += 6;
                                                                  } else {
                                                                    s1 = peg$FAILED;
                                                                    if (peg$silentFails === 0) { peg$fail(peg$e17); }
                                                                  }
                                                                  if (s1 === peg$FAILED) {
                                                                    if (input.substr(peg$currPos, 6) === peg$c16) {
                                                                      s1 = peg$c16;
                                                                      peg$currPos += 6;
                                                                    } else {
                                                                      s1 = peg$FAILED;
                                                                      if (peg$silentFails === 0) { peg$fail(peg$e22); }
                                                                    }
                                                                    if (s1 === peg$FAILED) {
                                                                      if (input.substr(peg$currPos, 2) === peg$c59) {
                                                                        s1 = peg$c59;
                                                                        peg$currPos += 2;
                                                                      } else {
                                                                        s1 = peg$FAILED;
                                                                        if (peg$silentFails === 0) { peg$fail(peg$e65); }
                                                                      }
                                                                    }
                                                                  }
                                                                }
                                                              }
                                                            }
                                                          }
                                                        }
                                                      }
                                                    }
                                                  }
                                                }
                                              }
                                            }
                                          }
                                        }
                                      }
                                    }
                                  }
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$currPos;
      peg$silentFails++;
      s3 = input.charAt(peg$currPos);
      if (peg$r8.test(s3)) {
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e93); }
      }
      peg$silentFails--;
      if (s3 === peg$FAILED) {
        s2 = undefined;
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 !== peg$FAILED) {
        s1 = [s1, s2];
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parse_() {
    let s0, s1;

    s0 = [];
    s1 = peg$parseWhiteSpace();
    if (s1 === peg$FAILED) {
      s1 = peg$parseComment();
    }
    while (s1 !== peg$FAILED) {
      s0.push(s1);
      s1 = peg$parseWhiteSpace();
      if (s1 === peg$FAILED) {
        s1 = peg$parseComment();
      }
    }

    return s0;
  }

  function peg$parse_i() {
    let s0, s1;

    s0 = [];
    s1 = input.charAt(peg$currPos);
    if (peg$r9.test(s1)) {
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e94); }
    }
    while (s1 !== peg$FAILED) {
      s0.push(s1);
      s1 = input.charAt(peg$currPos);
      if (peg$r9.test(s1)) {
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e94); }
      }
    }

    return s0;
  }

  function peg$parse__() {
    let s0, s1;

    s0 = [];
    s1 = peg$parseWhiteSpace();
    if (s1 === peg$FAILED) {
      s1 = peg$parseComment();
    }
    if (s1 !== peg$FAILED) {
      while (s1 !== peg$FAILED) {
        s0.push(s1);
        s1 = peg$parseWhiteSpace();
        if (s1 === peg$FAILED) {
          s1 = peg$parseComment();
        }
      }
    } else {
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseWhiteSpace() {
    let s0;

    s0 = input.charAt(peg$currPos);
    if (peg$r10.test(s0)) {
      peg$currPos++;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e95); }
    }

    return s0;
  }

  function peg$parseComment() {
    let s0, s1, s2, s3, s4, s5;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 2) === peg$c72) {
      s1 = peg$c72;
      peg$currPos += 2;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e96); }
    }
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = input.charAt(peg$currPos);
      if (peg$r11.test(s3)) {
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e97); }
      }
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = input.charAt(peg$currPos);
        if (peg$r11.test(s3)) {
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e97); }
        }
      }
      s1 = [s1, s2];
      s0 = s1;
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      if (input.substr(peg$currPos, 2) === peg$c73) {
        s1 = peg$c73;
        peg$currPos += 2;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e98); }
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$currPos;
        s4 = peg$currPos;
        peg$silentFails++;
        if (input.substr(peg$currPos, 2) === peg$c74) {
          s5 = peg$c74;
          peg$currPos += 2;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e99); }
        }
        peg$silentFails--;
        if (s5 === peg$FAILED) {
          s4 = undefined;
        } else {
          peg$currPos = s4;
          s4 = peg$FAILED;
        }
        if (s4 !== peg$FAILED) {
          if (input.length > peg$currPos) {
            s5 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e80); }
          }
          if (s5 !== peg$FAILED) {
            s4 = [s4, s5];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$currPos;
          s4 = peg$currPos;
          peg$silentFails++;
          if (input.substr(peg$currPos, 2) === peg$c74) {
            s5 = peg$c74;
            peg$currPos += 2;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e99); }
          }
          peg$silentFails--;
          if (s5 === peg$FAILED) {
            s4 = undefined;
          } else {
            peg$currPos = s4;
            s4 = peg$FAILED;
          }
          if (s4 !== peg$FAILED) {
            if (input.length > peg$currPos) {
              s5 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e80); }
            }
            if (s5 !== peg$FAILED) {
              s4 = [s4, s5];
              s3 = s4;
            } else {
              peg$currPos = s3;
              s3 = peg$FAILED;
            }
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        }
        if (input.substr(peg$currPos, 2) === peg$c74) {
          s3 = peg$c74;
          peg$currPos += 2;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e99); }
        }
        if (s3 !== peg$FAILED) {
          s1 = [s1, s2, s3];
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    }

    return s0;
  }


  // The location() function provides line/column info for error reporting.
  // The text() function returns the matched text for a rule.
  
  // Helper function to build a left-associative binary expression tree.
  function buildLeftAssoc(head, tail) {
    return tail.reduce((result, element) => {
      return {
        type: "BinaryExpression",
        operator: element[1],
        left: result,
        right: element[3],
        location: location()
      };
    }, head);
  }

  peg$result = peg$startRuleFunction();

  const peg$success = (peg$result !== peg$FAILED && peg$currPos === input.length);
  function peg$throw() {
    if (peg$result !== peg$FAILED && peg$currPos < input.length) {
      peg$fail(peg$endExpectation());
    }

    throw peg$buildStructuredError(
      peg$maxFailExpected,
      peg$maxFailPos < input.length ? peg$getUnicode(peg$maxFailPos) : null,
      peg$maxFailPos < input.length
        ? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1)
        : peg$computeLocation(peg$maxFailPos, peg$maxFailPos)
    );
  }
  if (options.peg$library) {
    return /** @type {any} */ ({
      peg$result,
      peg$currPos,
      peg$FAILED,
      peg$maxFailExpected,
      peg$maxFailPos,
      peg$success,
      peg$throw: peg$success ? undefined : peg$throw,
    });
  }
  if (peg$success) {
    return peg$result;
  } else {
    peg$throw();
  }
}

const peg$allowedStartRules = [
  "Program"
];

export {
  peg$allowedStartRules as StartRules,
  peg$SyntaxError as SyntaxError,
  peg$parse as parse
};