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index.js
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/*
* Generated by PEG.js 0.10.0.
*
* http://pegjs.org/
*/
"use strict";
function peg$subclass(child, parent) {
function ctor() { this.constructor = child; }
ctor.prototype = parent.prototype;
child.prototype = new ctor();
}
function peg$SyntaxError(message, expected, found, location) {
this.message = message;
this.expected = expected;
this.found = found;
this.location = location;
this.name = "SyntaxError";
if (typeof Error.captureStackTrace === "function") {
Error.captureStackTrace(this, peg$SyntaxError);
}
}
peg$subclass(peg$SyntaxError, Error);
peg$SyntaxError.buildMessage = function(expected, found) {
var DESCRIBE_EXPECTATION_FNS = {
literal: function(expectation) {
return "\"" + literalEscape(expectation.text) + "\"";
},
"class": function(expectation) {
var escapedParts = "",
i;
for (i = 0; i < expectation.parts.length; i++) {
escapedParts += expectation.parts[i] instanceof Array
? classEscape(expectation.parts[i][0]) + "-" + classEscape(expectation.parts[i][1])
: classEscape(expectation.parts[i]);
}
return "[" + (expectation.inverted ? "^" : "") + escapedParts + "]";
},
any: function(expectation) {
return "any character";
},
end: function(expectation) {
return "end of input";
},
other: function(expectation) {
return expectation.description;
}
};
function hex(ch) {
return ch.charCodeAt(0).toString(16).toUpperCase();
}
function literalEscape(s) {
return 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, function(ch) { return '\\x0' + hex(ch); })
.replace(/[\x10-\x1F\x7F-\x9F]/g, function(ch) { return '\\x' + hex(ch); });
}
function classEscape(s) {
return 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, function(ch) { return '\\x0' + hex(ch); })
.replace(/[\x10-\x1F\x7F-\x9F]/g, function(ch) { return '\\x' + hex(ch); });
}
function describeExpectation(expectation) {
return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation);
}
function describeExpected(expected) {
var descriptions = new Array(expected.length),
i, j;
for (i = 0; i < expected.length; i++) {
descriptions[i] = describeExpectation(expected[i]);
}
descriptions.sort();
if (descriptions.length > 0) {
for (i = 1, j = 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$parse(input, options) {
options = options !== void 0 ? options : {};
var peg$FAILED = {},
peg$startRuleFunctions = { QuizText: peg$parseQuizText },
peg$startRuleFunction = peg$parseQuizText,
peg$c0 = function(q) { return q; },
peg$c1 = function(n, a) {
var obj = {
question: n.trim(),
type: a[0].type, // grab type from first answer
};
if (a[0].type === 'range') {
obj.answers = a[0].answer;
} else {
obj.answers = a.map(function(obj){ return obj.answer});
}
// add properties for ranges
if (a[0].leftText) {
obj.leftText = a[0].leftText
}
if (a[0].middleText) {
obj.middleText = a[0].middleText
}
if (a[0].rightText) {
obj.rightText = a[0].rightText
}
// adds property of category if there is one
if (a[0].category) {
obj.category = a[0].category
}
// adds properties of correct text and incorrect text results if they exist
if (a[0].correctText) {
obj.correctText = a[0].correctText
}
if (a[0].incorrectText) {
obj.incorrectText = a[0].incorrectText
}
return obj;
},
peg$c2 = function(o) { return o; },
peg$c3 = function(c, i, r) {
var obj = {
type: 'radio',
answer: r
};
if (c) {
obj.correctText = c.correctText.trim()
}
if (i) {
obj.incorrectText = i.incorrectText.trim()
}
return obj;
},
peg$c4 = "(",
peg$c5 = peg$literalExpectation("(", false),
peg$c6 = "*",
peg$c7 = peg$literalExpectation("*", false),
peg$c8 = ")",
peg$c9 = peg$literalExpectation(")", false),
peg$c10 = function(v, w) { return correct(v, w); },
peg$c11 = function(v, w) { return other(v, w); },
peg$c12 = function(c) { return { correctText: c }; },
peg$c13 = function(i) { return { incorrectText: i }; },
peg$c14 = function(c) { return { answer: c, type: 'checkbox' }},
peg$c15 = "[",
peg$c16 = peg$literalExpectation("[", false),
peg$c17 = "]",
peg$c18 = peg$literalExpectation("]", false),
peg$c19 = "{",
peg$c20 = peg$literalExpectation("{", false),
peg$c21 = "}",
peg$c22 = peg$literalExpectation("}", false),
peg$c23 = function(v, t, c) {
var obj = {
type: 'range',
answer: v,
leftText: t.leftText.trim(),
rightText: t.rightText.trim()
};
if (t.middleText) {
obj.middleText = t.middleText.trim()
}
if (c) {
obj.category = c.category.trim()
}
return obj;
},
peg$c24 = function(c) { return { category: c }; },
peg$c25 = function(v) {
return v.reduce(function (arr, val) {
return arr.concat(val);
}, []);
},
peg$c26 = "-",
peg$c27 = peg$literalExpectation("-", false),
peg$c28 = function(a, b) {
var arr = [],
aa = int(a),
bb = int(b);
// loop through ranges, either forward or backward
// e.g. 1-5, 5-1 (inclusive)
if (bb >= aa) {
for (;(bb + 1) - aa; aa++) {
arr.push(aa);
}
} else {
for (;aa - (bb - 1); aa--) {
arr.push(aa);
}
}
return arr;
},
peg$c29 = function(a) { return [int(a)]; },
peg$c30 = function(a, b, c) { return { leftText: a, middleText: b, rightText: c }; },
peg$c31 = function(a, b) { return { leftText: a, rightText: b }; },
peg$c32 = function(w) { return join(w); },
peg$c33 = function(l) { return join(l); },
peg$c34 = function(c) { return join(c); },
peg$c35 = /^[\n|]/,
peg$c36 = peg$classExpectation(["\n", "|"], false, false),
peg$c37 = peg$anyExpectation(),
peg$c38 = function(c) { return c; },
peg$c39 = /^[a-zA-Z]/,
peg$c40 = peg$classExpectation([["a", "z"], ["A", "Z"]], false, false),
peg$c41 = function(n) { return join(n); },
peg$c42 = /^[0-9]/,
peg$c43 = peg$classExpectation([["0", "9"]], false, false),
peg$c44 = peg$otherExpectation("QuestionMark"),
peg$c45 = "?",
peg$c46 = peg$literalExpectation("?", false),
peg$c47 = peg$otherExpectation("Apostrophe"),
peg$c48 = "'",
peg$c49 = peg$literalExpectation("'", false),
peg$c50 = peg$otherExpectation("New line"),
peg$c51 = "\n",
peg$c52 = peg$literalExpectation("\n", false),
peg$c53 = peg$otherExpectation("Whitespace"),
peg$c54 = " ",
peg$c55 = peg$literalExpectation(" ", false),
peg$c56 = peg$otherExpectation("Comma"),
peg$c57 = ",",
peg$c58 = peg$literalExpectation(",", false),
peg$c59 = peg$otherExpectation("Pipe"),
peg$c60 = "|",
peg$c61 = peg$literalExpectation("|", false),
peg$c62 = peg$otherExpectation("Dash"),
peg$c63 = peg$otherExpectation("Caret"),
peg$c64 = "^",
peg$c65 = peg$literalExpectation("^", false),
peg$c66 = peg$otherExpectation("LessThan"),
peg$c67 = "<",
peg$c68 = peg$literalExpectation("<", false),
peg$currPos = 0,
peg$savedPos = 0,
peg$posDetailsCache = [{ line: 1, column: 1 }],
peg$maxFailPos = 0,
peg$maxFailExpected = [],
peg$silentFails = 0,
peg$result;
if ("startRule" in options) {
if (!(options.startRule in peg$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 location() {
return peg$computeLocation(peg$savedPos, peg$currPos);
}
function expected(description, location) {
location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos)
throw peg$buildStructuredError(
[peg$otherExpectation(description)],
input.substring(peg$savedPos, peg$currPos),
location
);
}
function error(message, location) {
location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos)
throw peg$buildSimpleError(message, location);
}
function peg$literalExpectation(text, ignoreCase) {
return { type: "literal", text: text, ignoreCase: ignoreCase };
}
function peg$classExpectation(parts, inverted, ignoreCase) {
return { type: "class", parts: parts, inverted: inverted, ignoreCase: ignoreCase };
}
function peg$anyExpectation() {
return { type: "any" };
}
function peg$endExpectation() {
return { type: "end" };
}
function peg$otherExpectation(description) {
return { type: "other", description: description };
}
function peg$computePosDetails(pos) {
var details = peg$posDetailsCache[pos], p;
if (details) {
return details;
} else {
p = pos - 1;
while (!peg$posDetailsCache[p]) {
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$computeLocation(startPos, endPos) {
var startPosDetails = peg$computePosDetails(startPos),
endPosDetails = peg$computePosDetails(endPos);
return {
start: {
offset: startPos,
line: startPosDetails.line,
column: startPosDetails.column
},
end: {
offset: endPos,
line: endPosDetails.line,
column: endPosDetails.column
}
};
}
function peg$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$SyntaxError.buildMessage(expected, found),
expected,
found,
location
);
}
function peg$parseQuizText() {
var s0, s1, s2;
s0 = peg$currPos;
s1 = [];
s2 = peg$parseQuestion();
while (s2 !== peg$FAILED) {
s1.push(s2);
s2 = peg$parseQuestion();
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c0(s1);
}
s0 = s1;
return s0;
}
function peg$parseQuestion() {
var s0, s1, s2, s3;
s0 = peg$currPos;
s1 = peg$parseHTML();
if (s1 !== peg$FAILED) {
s2 = peg$parsenl();
if (s2 !== peg$FAILED) {
s3 = peg$parseAnswers();
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c1(s1, s3);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parseAnswers() {
var s0, s1, s2, s3;
s0 = [];
s1 = peg$currPos;
s2 = peg$parseOption();
if (s2 !== peg$FAILED) {
s3 = peg$parsenl();
if (s3 === peg$FAILED) {
s3 = null;
}
if (s3 !== peg$FAILED) {
peg$savedPos = s1;
s2 = peg$c2(s2);
s1 = s2;
} else {
peg$currPos = s1;
s1 = peg$FAILED;
}
} else {
peg$currPos = s1;
s1 = peg$FAILED;
}
if (s1 !== peg$FAILED) {
while (s1 !== peg$FAILED) {
s0.push(s1);
s1 = peg$currPos;
s2 = peg$parseOption();
if (s2 !== peg$FAILED) {
s3 = peg$parsenl();
if (s3 === peg$FAILED) {
s3 = null;
}
if (s3 !== peg$FAILED) {
peg$savedPos = s1;
s2 = peg$c2(s2);
s1 = s2;
} else {
peg$currPos = s1;
s1 = peg$FAILED;
}
} else {
peg$currPos = s1;
s1 = peg$FAILED;
}
}
} else {
s0 = peg$FAILED;
}
return s0;
}
function peg$parseOption() {
var s0;
s0 = peg$parseRadio();
if (s0 === peg$FAILED) {
s0 = peg$parseCheck();
if (s0 === peg$FAILED) {
s0 = peg$parseRange();
}
}
return s0;
}
function peg$parseRadio() {
var s0, s1, s2, s3, s4, s5;
s0 = peg$currPos;
s1 = peg$parseCorrectText();
if (s1 === peg$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
s2 = peg$parsenl();
if (s2 === peg$FAILED) {
s2 = null;
}
if (s2 !== peg$FAILED) {
s3 = peg$parseIncorrectText();
if (s3 === peg$FAILED) {
s3 = null;
}
if (s3 !== peg$FAILED) {
s4 = peg$parsenl();
if (s4 === peg$FAILED) {
s4 = null;
}
if (s4 !== peg$FAILED) {
s5 = peg$parseCorrectRadio();
if (s5 === peg$FAILED) {
s5 = peg$parseOtherRadio();
}
if (s5 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c3(s1, s3, s5);
s0 = s1;
} else {
peg$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$FAILED;
}
return s0;
}
function peg$parseCorrectRadio() {
var s0, s1, s2, s3, s4, s5, s6, s7, s8;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 40) {
s1 = peg$c4;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c5); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parsews();
if (s2 === peg$FAILED) {
s2 = null;
}
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 42) {
s3 = peg$c6;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c7); }
}
if (s3 !== peg$FAILED) {
s4 = peg$parsews();
if (s4 === peg$FAILED) {
s4 = null;
}
if (s4 !== peg$FAILED) {
s5 = peg$parseWords();
if (s5 === peg$FAILED) {
s5 = null;
}
if (s5 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s6 = peg$c8;
peg$currPos++;
} else {
s6 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c9); }
}
if (s6 !== peg$FAILED) {
s7 = peg$parsews();
if (s7 === peg$FAILED) {
s7 = null;
}
if (s7 !== peg$FAILED) {
s8 = peg$parseHTML();
if (s8 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c10(s5, s8);
s0 = s1;
} else {
peg$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$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parseOtherRadio() {
var s0, s1, s2, s3, s4, s5, s6;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 40) {
s1 = peg$c4;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c5); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parsews();
if (s2 === peg$FAILED) {
s2 = null;
}
if (s2 !== peg$FAILED) {
s3 = peg$parseWords();
if (s3 === peg$FAILED) {
s3 = null;
}
if (s3 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s4 = peg$c8;
peg$currPos++;
} else {
s4 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c9); }
}
if (s4 !== peg$FAILED) {
s5 = peg$parsews();
if (s5 === peg$FAILED) {
s5 = null;
}
if (s5 !== peg$FAILED) {
s6 = peg$parseHTML();
if (s6 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c11(s3, s6);
s0 = s1;
} 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$parseCorrectText() {
var s0, s1, s2, s3;
s0 = peg$currPos;
s1 = peg$parsews();
if (s1 === peg$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
s2 = peg$parsecaret();
if (s2 !== peg$FAILED) {
s3 = peg$parseHTML();
if (s3 === peg$FAILED) {
s3 = null;
}
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c12(s3);
s0 = s1;
} 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$parseIncorrectText() {
var s0, s1, s2, s3;
s0 = peg$currPos;
s1 = peg$parsews();
if (s1 === peg$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
s2 = peg$parselt();
if (s2 !== peg$FAILED) {
s3 = peg$parseHTML();
if (s3 === peg$FAILED) {
s3 = null;
}
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c13(s3);
s0 = s1;
} 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$parseCheck() {
var s0, s1;
s0 = peg$currPos;
s1 = peg$parseCorrectCheck();
if (s1 === peg$FAILED) {
s1 = peg$parseOtherCheck();
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c14(s1);
}
s0 = s1;
return s0;
}
function peg$parseCorrectCheck() {
var s0, s1, s2, s3, s4, s5, s6, s7, s8;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 91) {
s1 = peg$c15;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c16); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parsews();
if (s2 === peg$FAILED) {
s2 = null;
}
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 42) {
s3 = peg$c6;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c7); }
}
if (s3 !== peg$FAILED) {
s4 = peg$parsews();
if (s4 === peg$FAILED) {
s4 = null;
}
if (s4 !== peg$FAILED) {
s5 = peg$parseWords();
if (s5 === peg$FAILED) {
s5 = null;
}
if (s5 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 93) {
s6 = peg$c17;
peg$currPos++;
} else {
s6 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c18); }
}
if (s6 !== peg$FAILED) {
s7 = peg$parsews();
if (s7 === peg$FAILED) {
s7 = null;
}
if (s7 !== peg$FAILED) {
s8 = peg$parseHTML();
if (s8 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c10(s5, s8);
s0 = s1;
} 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;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parseOtherCheck() {
var s0, s1, s2, s3, s4, s5, s6;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 91) {
s1 = peg$c15;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c16); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parsews();
if (s2 === peg$FAILED) {
s2 = null;
}
if (s2 !== peg$FAILED) {
s3 = peg$parseWords();
if (s3 === peg$FAILED) {
s3 = null;
}
if (s3 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 93) {
s4 = peg$c17;
peg$currPos++;
} else {
s4 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c18); }
}
if (s4 !== peg$FAILED) {
s5 = peg$parsews();
if (s5 === peg$FAILED) {
s5 = null;
}
if (s5 !== peg$FAILED) {
s6 = peg$parseHTML();
if (s6 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c11(s3, s6);
s0 = s1;
} else {
peg$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;