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peg-parser.js
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peg-parser.js
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/*
* Generated by PEG.js 0.10.0.
*
* http://pegjs.org/
*/
export default (function() {
"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$startRuleFunctions = { Start: peg$parseStart },
peg$startRuleFunction = peg$parseStart,
peg$c0 = function(x, xs, from, where) {
return {
type: "SELECT",
fields: [x].concat(xs),
from: from,
where: where
};
},
peg$c1 = peg$otherExpectation("select valid field"),
peg$c2 = "*",
peg$c3 = peg$literalExpectation("*", false),
peg$c4 = function(s) {
return s;
},
peg$c5 = peg$otherExpectation("where expression"),
peg$c6 = function(x, xs) {
return {
conditions: [x].concat(xs)
};
},
peg$c7 = "(",
peg$c8 = peg$literalExpectation("(", false),
peg$c9 = ")",
peg$c10 = peg$literalExpectation(")", false),
peg$c11 = function(x, xs) {
return [x].concat(xs);
},
peg$c12 = function(left, op, right) {
return {
left: left,
op: op,
right: right
};
},
peg$c13 = function(j, l) {
return {
joiner: j,
expression: l
};
},
peg$c14 = peg$otherExpectation("joiner"),
peg$c15 = function() { return "Or"; },
peg$c16 = function() { return "And"; },
peg$c17 = "<>",
peg$c18 = peg$literalExpectation("<>", false),
peg$c19 = function() { return "Different"; },
peg$c20 = ">",
peg$c21 = peg$literalExpectation(">", false),
peg$c22 = function() { return "GreaterThan"; },
peg$c23 = "<",
peg$c24 = peg$literalExpectation("<", false),
peg$c25 = function() { return "LessThan"; },
peg$c26 = "=",
peg$c27 = peg$literalExpectation("=", false),
peg$c28 = function() { return "Equal"; },
peg$c29 = function() { return "Like"; },
peg$c30 = peg$otherExpectation("integer"),
peg$c31 = /^[0-9]/,
peg$c32 = peg$classExpectation([["0", "9"]], false, false),
peg$c33 = function(n) {
return parseInt(n.join(""));
},
peg$c34 = peg$otherExpectation("float"),
peg$c35 = ".",
peg$c36 = peg$literalExpectation(".", false),
peg$c37 = function(left, right) {
return parseFloat([
left.toString(),
right.toString()
].join("."));
},
peg$c38 = peg$otherExpectation("string"),
peg$c39 = "'",
peg$c40 = peg$literalExpectation("'", false),
peg$c41 = function(str) {
return str.join("");
},
peg$c42 = peg$anyExpectation(),
peg$c43 = function(c) {
return c;
},
peg$c44 = "select",
peg$c45 = peg$literalExpectation("SELECT", true),
peg$c46 = ",",
peg$c47 = peg$literalExpectation(",", false),
peg$c48 = "from",
peg$c49 = peg$literalExpectation("FROM", true),
peg$c50 = "where",
peg$c51 = peg$literalExpectation("WHERE", true),
peg$c52 = "like",
peg$c53 = peg$literalExpectation("LIKE", true),
peg$c54 = "or",
peg$c55 = peg$literalExpectation("OR", true),
peg$c56 = "and",
peg$c57 = peg$literalExpectation("AND", true),
peg$c58 = peg$otherExpectation("identifier"),
peg$c59 = function(x, xs) {
return Sql.listToString(x, xs);
},
peg$c60 = /^[a-z_.\/]/i,
peg$c61 = peg$classExpectation([["a", "z"], "_", ".", "/"], false, true),
peg$c62 = /^[a-z0-9_\/\-]/i,
peg$c63 = peg$classExpectation([["a", "z"], ["0", "9"], "_", "/", "-"], false, true),
peg$c64 = peg$otherExpectation("newline"),
peg$c65 = "\r\n",
peg$c66 = peg$literalExpectation("\r\n", false),
peg$c67 = "\r",
peg$c68 = peg$literalExpectation("\r", false),
peg$c69 = "\n",
peg$c70 = peg$literalExpectation("\n", false),
peg$c71 = "\u2028",
peg$c72 = peg$literalExpectation("\u2028", false),
peg$c73 = "\u2029",
peg$c74 = peg$literalExpectation("\u2029", false),
peg$c75 = peg$otherExpectation("whitespace"),
peg$c76 = " ",
peg$c77 = peg$literalExpectation(" ", false),
peg$c78 = "\t",
peg$c79 = peg$literalExpectation("\t", false),
peg$c80 = "\x0B",
peg$c81 = peg$literalExpectation("\x0B", false),
peg$c82 = "\f",
peg$c83 = peg$literalExpectation("\f", 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$SyntaxError.buildMessage(expected, found),
expected,
found,
location
);
}
function peg$parseStart() {
var s0;
s0 = peg$parseSelectStmt();
return s0;
}
function peg$parseSelectStmt() {
var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11;
s0 = peg$currPos;
s1 = peg$parse_();
if (s1 !== peg$FAILED) {
s2 = peg$parseSelectToken();
if (s2 !== peg$FAILED) {
s3 = peg$parse_();
if (s3 !== peg$FAILED) {
s4 = peg$parseSelectField();
if (s4 !== peg$FAILED) {
s5 = [];
s6 = peg$parseSelectFieldRest();
while (s6 !== peg$FAILED) {
s5.push(s6);
s6 = peg$parseSelectFieldRest();
}
if (s5 !== peg$FAILED) {
s6 = peg$parse_();
if (s6 !== peg$FAILED) {
s7 = peg$parseFromToken();
if (s7 !== peg$FAILED) {
s8 = peg$parse_();
if (s8 !== peg$FAILED) {
s9 = peg$parseIdentifier();
if (s9 !== peg$FAILED) {
s10 = peg$parse_();
if (s10 !== peg$FAILED) {
s11 = peg$parseWhereExpr();
if (s11 === peg$FAILED) {
s11 = null;
}
if (s11 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c0(s4, s5, s9, s11);
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;
}
} 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$parseSelectField() {
var s0, s1;
peg$silentFails++;
s0 = peg$parseIdentifier();
if (s0 === peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 42) {
s0 = peg$c2;
peg$currPos++;
} else {
s0 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c3); }
}
}
peg$silentFails--;
if (s0 === peg$FAILED) {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c1); }
}
return s0;
}
function peg$parseSelectFieldRest() {
var s0, s1, s2, s3, s4;
s0 = peg$currPos;
s1 = peg$parse_();
if (s1 !== peg$FAILED) {
s2 = peg$parseSeparatorToken();
if (s2 !== peg$FAILED) {
s3 = peg$parse_();
if (s3 !== peg$FAILED) {
s4 = peg$parseSelectField();
if (s4 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c4(s4);
s0 = s1;
} else {
peg$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$FAILED;
}
return s0;
}
function peg$parseWhereExpr() {
var s0, s1, s2, s3, s4;
peg$silentFails++;
s0 = peg$currPos;
s1 = peg$parseWhereToken();
if (s1 !== peg$FAILED) {
s2 = peg$parseLogicExpr();
if (s2 !== peg$FAILED) {
s3 = [];
s4 = peg$parseLogicExprRest();
while (s4 !== peg$FAILED) {
s3.push(s4);
s4 = peg$parseLogicExprRest();
}
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c6(s2, s3);
s0 = s1;
} 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$fail(peg$c5); }
}
return s0;
}
function peg$parseLogicExpr() {
var s0, s1, s2, s3, s4, s5, s6, s7, s8;
s0 = peg$currPos;
s1 = peg$parse_();
if (s1 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 40) {
s2 = peg$c7;
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c8); }
}
if (s2 !== peg$FAILED) {
s3 = peg$parse_();
if (s3 !== peg$FAILED) {
s4 = peg$parseLogicExpr();
if (s4 !== peg$FAILED) {
s5 = [];
s6 = peg$parseLogicExprRest();
while (s6 !== peg$FAILED) {
s5.push(s6);
s6 = peg$parseLogicExprRest();
}
if (s5 !== peg$FAILED) {
s6 = peg$parse_();
if (s6 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s7 = peg$c9;
peg$currPos++;
} else {
s7 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c10); }
}
if (s7 !== peg$FAILED) {
s8 = peg$parse_();
if (s8 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c11(s4, 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;
}
} 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$parse_();
if (s1 !== peg$FAILED) {
s2 = peg$parseExpr();
if (s2 !== peg$FAILED) {
s3 = peg$parse_();
if (s3 !== peg$FAILED) {
s4 = peg$parseOperator();
if (s4 !== peg$FAILED) {
s5 = peg$parse_();
if (s5 !== peg$FAILED) {
s6 = peg$parseExpr();
if (s6 !== peg$FAILED) {
s7 = peg$parse_();
if (s7 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c12(s2, s4, 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;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
}
return s0;
}
function peg$parseLogicExprRest() {
var s0, s1, s2, s3, s4;
s0 = peg$currPos;
s1 = peg$parse_();
if (s1 !== peg$FAILED) {
s2 = peg$parseJoiner();
if (s2 !== peg$FAILED) {
s3 = peg$parse_();
if (s3 !== peg$FAILED) {
s4 = peg$parseLogicExpr();
if (s4 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c13(s2, s4);
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;
}
return s0;
}
function peg$parseJoiner() {
var s0, s1;
peg$silentFails++;
s0 = peg$currPos;
s1 = peg$parseOrToken();
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c15();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parseAndToken();
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c16();
}
s0 = s1;
}
peg$silentFails--;
if (s0 === peg$FAILED) {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c14); }
}
return s0;
}
function peg$parseOperator() {
var s0, s1;
s0 = peg$currPos;
if (input.substr(peg$currPos, 2) === peg$c17) {
s1 = peg$c17;
peg$currPos += 2;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c18); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c19();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 62) {
s1 = peg$c20;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c21); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c22();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 60) {
s1 = peg$c23;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c24); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c25();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 61) {
s1 = peg$c26;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c27); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c28();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parseLikeToken();
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c29();
}
s0 = s1;
}
}
}
}
return s0;
}
function peg$parseExpr() {
var s0;
s0 = peg$parseFloat();
if (s0 === peg$FAILED) {
s0 = peg$parseInteger();
if (s0 === peg$FAILED) {
s0 = peg$parseIdentifier();
if (s0 === peg$FAILED) {
s0 = peg$parseString();
}
}
}
return s0;
}
function peg$parseInteger() {
var s0, s1, s2;
peg$silentFails++;
s0 = peg$currPos;
s1 = [];
if (peg$c31.test(input.charAt(peg$currPos))) {
s2 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c32); }
}
if (s2 !== peg$FAILED) {
while (s2 !== peg$FAILED) {
s1.push(s2);
if (peg$c31.test(input.charAt(peg$currPos))) {
s2 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c32); }
}
}
} else {
s1 = peg$FAILED;
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c33(s1);
}
s0 = s1;
peg$silentFails--;
if (s0 === peg$FAILED) {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c30); }
}
return s0;
}
function peg$parseFloat() {
var s0, s1, s2, s3;
peg$silentFails++;
s0 = peg$currPos;
s1 = peg$parseInteger();
if (s1 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 46) {
s2 = peg$c35;
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c36); }
}
if (s2 !== peg$FAILED) {
s3 = peg$parseInteger();
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c37(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;
}
peg$silentFails--;
if (s0 === peg$FAILED) {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c34); }
}
return s0;
}
function peg$parseString() {
var s0, s1, s2, s3;
peg$silentFails++;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 39) {
s1 = peg$c39;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c40); }
}
if (s1 !== peg$FAILED) {
s2 = [];
s3 = peg$parseValidStringChar();
while (s3 !== peg$FAILED) {
s2.push(s3);
s3 = peg$parseValidStringChar();
}
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 39) {
s3 = peg$c39;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c40); }
}
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c41(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$silentFails--;