@daiyam/regexp
Version:
RegExp parser/formatter/visitor/transformer
1,873 lines (1,694 loc) • 73.2 kB
JavaScript
/*
* 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$startRuleFunctions = { regexp: peg$parseregexp },
peg$startRuleFunction = peg$parseregexp,
peg$c0 = "|",
peg$c1 = peg$literalExpectation("|", false),
peg$c2 = function(match, alternate) {
if(alternate) {
const body = alternate[1].type === TokenType.ALTERNATE ? [match, ...alternate[1].body] : [match, alternate[1]]
return { type: TokenType.ALTERNATE, body: body }
}
else {
return match
}
},
peg$c3 = "/",
peg$c4 = peg$literalExpectation("/", false),
peg$c5 = function(body, modifiers) {
if(modifiers) {
return { type: TokenType.PATTERN, body: body, modifiers: modifiers }
}
else {
return { type: TokenType.PATTERN, body: body }
}
},
peg$c6 = "(",
peg$c7 = peg$literalExpectation("(", false),
peg$c8 = ")",
peg$c9 = peg$literalExpectation(")", false),
peg$c10 = function(modifier, begin, matches, end) {
const body = []
if(modifier) {
body.push(modifier[1])
}
if(begin) {
body.push(begin)
}
body.push(...matches.flat())
if(end) {
body.push(end)
}
return { type: TokenType.MATCH, body: body }
},
peg$c11 = "^",
peg$c12 = peg$literalExpectation("^", false),
peg$c13 = function() { return { type: TokenType.BEGIN } },
peg$c14 = "$",
peg$c15 = peg$literalExpectation("$", false),
peg$c16 = function() { return { type: TokenType.END } },
peg$c17 = "?",
peg$c18 = peg$literalExpectation("?", false),
peg$c19 = function(modifiers) { return { type: TokenType.MODIFIER, ...modifiers } },
peg$c20 = /^[gimsuxyUJX]/,
peg$c21 = peg$classExpectation(["g", "i", "m", "s", "u", "x", "y", "U", "J", "X"], false, false),
peg$c22 = "-",
peg$c23 = peg$literalExpectation("-", false),
peg$c24 = function(positive, negative) { return { positive: positive, negative: negative } },
peg$c25 = function(positive) { return { positive: positive, negative: [] } },
peg$c26 = function(negative) { return { positive: [], negative: negative } },
peg$c27 = function(submatch, quantifier) {
if(submatch.type === TokenType.LITERAL && submatch.text.length > 1) {
return [
{ type: TokenType.LITERAL, text: submatch.text.substr(0, submatch.text.length - 1) },
{ type: TokenType.QUANTIFIED, body: { type: TokenType.LITERAL, text: submatch.text.substr(-1) }, quantifier: quantifier }
]
}
else {
return { type: TokenType.QUANTIFIED, body: submatch, quantifier: quantifier }
}
},
peg$c28 = peg$otherExpectation("Quantifier"),
peg$c29 = function(quantity, notgreedy) { quantity.greedy = !notgreedy; return quantity },
peg$c30 = "{",
peg$c31 = peg$literalExpectation("{", false),
peg$c32 = ",",
peg$c33 = peg$literalExpectation(",", false),
peg$c34 = "}",
peg$c35 = peg$literalExpectation("}", false),
peg$c36 = function(min, max) { return { type: TokenType.QUANTIFIER, min: min, max: max } },
peg$c37 = ",}",
peg$c38 = peg$literalExpectation(",}", false),
peg$c39 = function(min) { return { type: TokenType.QUANTIFIER, min: min, max: Infinity } },
peg$c40 = function(value) { return { type: TokenType.QUANTIFIER, min: value, max: value } },
peg$c41 = "+",
peg$c42 = peg$literalExpectation("+", false),
peg$c43 = function() { return { type: TokenType.QUANTIFIER, min: 1, max: Infinity } },
peg$c44 = "*",
peg$c45 = peg$literalExpectation("*", false),
peg$c46 = function() { return { type: TokenType.QUANTIFIER, min: 0, max: Infinity } },
peg$c47 = function() { return { type: TokenType.QUANTIFIER, min: 0, max: 1 } },
peg$c48 = /^[0-9]/,
peg$c49 = peg$classExpectation([["0", "9"]], false, false),
peg$c50 = function(num) { return +num.join('') },
peg$c51 = function(body) { return body },
peg$c52 = function(regexp) { return { type: TokenType.CAPTURE_GROUP, body: regexp } },
peg$c53 = "?:",
peg$c54 = peg$literalExpectation("?:", false),
peg$c55 = function(regexp) { return { type: TokenType.NON_CAPTURE_GROUP, body: regexp } },
peg$c56 = "?<",
peg$c57 = peg$literalExpectation("?<", false),
peg$c58 = /^[0-9a-zA-Z_]/,
peg$c59 = peg$classExpectation([["0", "9"], ["a", "z"], ["A", "Z"], "_"], false, false),
peg$c60 = ">",
peg$c61 = peg$literalExpectation(">", false),
peg$c62 = function(name, regexp) { return { type: TokenType.NAMED_GROUP, name: name.join(''), body: regexp } },
peg$c63 = "?<=",
peg$c64 = peg$literalExpectation("?<=", false),
peg$c65 = function(regexp) { return { type: TokenType.POSITIVE_LOOKBEHIND, body: regexp } },
peg$c66 = "?<!",
peg$c67 = peg$literalExpectation("?<!", false),
peg$c68 = function(regexp) { return { type: TokenType.NEGATIVE_LOOKBEHIND, body: regexp } },
peg$c69 = "?=",
peg$c70 = peg$literalExpectation("?=", false),
peg$c71 = function(regexp) { return { type: TokenType.POSITIVE_LOOKAHEAD, body: regexp } },
peg$c72 = "?!",
peg$c73 = peg$literalExpectation("?!", false),
peg$c74 = function(regexp) { return { type: TokenType.NEGATIVE_LOOKAHEAD, body: regexp } },
peg$c75 = ":",
peg$c76 = peg$literalExpectation(":", false),
peg$c77 = function(modifiers, regexp) { return { type: TokenType.MODIFIED_GROUP, modifiers: modifiers, body: regexp } },
peg$c78 = peg$otherExpectation("CharacterSet"),
peg$c79 = "[",
peg$c80 = peg$literalExpectation("[", false),
peg$c81 = "]",
peg$c82 = peg$literalExpectation("]", false),
peg$c83 = function(negated, body) { return { type: TokenType.CHARSET, body: body, negated: !!negated} },
peg$c84 = peg$otherExpectation("CharacterRange"),
peg$c85 = function(begin, end) { return { type: TokenType.RANGE, begin: begin, end: end } },
peg$c86 = peg$otherExpectation("Character"),
peg$c87 = /^[^\\\]]/,
peg$c88 = peg$classExpectation(["\\", "]"], true, false),
peg$c89 = function(value) { return { type: TokenType.LITERAL, text: value } },
peg$c90 = ".",
peg$c91 = peg$literalExpectation(".", false),
peg$c92 = function() { return { type: TokenType.ANY } },
peg$c93 = peg$otherExpectation("Literal"),
peg$c94 = /^[^|\\\/.[()?+*$\^]/,
peg$c95 = peg$classExpectation(["|", "\\", "/", ".", "[", "(", ")", "?", "+", "*", "$", "^"], true, false),
peg$c96 = function(value) { return { type: TokenType.LITERAL, text: value.join('') } },
peg$c97 = "\\",
peg$c98 = peg$literalExpectation("\\", false),
peg$c99 = /^[1-9]/,
peg$c100 = peg$classExpectation([["1", "9"]], false, false),
peg$c101 = function(code) { return { type: TokenType.BACK_REFERENCE, code: code } },
peg$c102 = "\\b",
peg$c103 = peg$literalExpectation("\\b", false),
peg$c104 = function() { return { type: TokenType.BACKSPACE } },
peg$c105 = "\\r",
peg$c106 = peg$literalExpectation("\\r", false),
peg$c107 = function() { return { type: TokenType.CARRIAGE_RETURN } },
peg$c108 = "\\c",
peg$c109 = peg$literalExpectation("\\c", false),
peg$c110 = peg$anyExpectation(),
peg$c111 = function(code) { return { type: TokenType.CONTROL, code: code } },
peg$c112 = "\\d",
peg$c113 = peg$literalExpectation("\\d", false),
peg$c114 = function() { return { type: TokenType.DIGIT } },
peg$c115 = "\\D",
peg$c116 = peg$literalExpectation("\\D", false),
peg$c117 = function() { return { type: TokenType.NON_DIGIT } },
peg$c118 = "\\f",
peg$c119 = peg$literalExpectation("\\f", false),
peg$c120 = function() { return { type: TokenType.FORM_FEED } },
peg$c121 = "\\x",
peg$c122 = peg$literalExpectation("\\x", false),
peg$c123 = /^[0-9a-fA-F]/,
peg$c124 = peg$classExpectation([["0", "9"], ["a", "f"], ["A", "F"]], false, false),
peg$c125 = function(code) { return { type: TokenType.HEX, code: code.join('') } },
peg$c126 = "\\n",
peg$c127 = peg$literalExpectation("\\n", false),
peg$c128 = function() { return { type: TokenType.LINE_FEED } },
peg$c129 = "\\k<",
peg$c130 = peg$literalExpectation("\\k<", false),
peg$c131 = function(name) { return { type: TokenType.NAMED_BACK_REFERENCE, name: name } },
peg$c132 = "\\0",
peg$c133 = peg$literalExpectation("\\0", false),
peg$c134 = function() { return { type: TokenType.NUL } },
peg$c135 = /^[0-7]/,
peg$c136 = peg$classExpectation([["0", "7"]], false, false),
peg$c137 = function(code) { return { type: TokenType.OCTAL, code: code.join('') } },
peg$c138 = "\\t",
peg$c139 = peg$literalExpectation("\\t", false),
peg$c140 = function() { return { type: TokenType.TAB } },
peg$c141 = "\\u{",
peg$c142 = peg$literalExpectation("\\u{", false),
peg$c143 = function(code) { return { type: TokenType.UNICODE, code: code.join('') } },
peg$c144 = "\\p{",
peg$c145 = peg$literalExpectation("\\p{", false),
peg$c146 = /^[0-9a-zA-Z_=]/,
peg$c147 = peg$classExpectation([["0", "9"], ["a", "z"], ["A", "Z"], "_", "="], false, false),
peg$c148 = function(property) { return { type: TokenType.UNICODE_PROPERTY, property: property.join('') } },
peg$c149 = "\\P{",
peg$c150 = peg$literalExpectation("\\P{", false),
peg$c151 = function(property) { return { type: TokenType.NON_UNICODE_PROPERTY, property: property.join('') } },
peg$c152 = "\\u",
peg$c153 = peg$literalExpectation("\\u", false),
peg$c154 = function(code) { return { type: TokenType.UTF16, code: code.join('') } },
peg$c155 = "\\v",
peg$c156 = peg$literalExpectation("\\v", false),
peg$c157 = function() { return { type: TokenType.VERTICAL_TAB } },
peg$c158 = "\\s",
peg$c159 = peg$literalExpectation("\\s", false),
peg$c160 = function() { return { type: TokenType.WHITE_SPACE } },
peg$c161 = "\\S",
peg$c162 = peg$literalExpectation("\\S", false),
peg$c163 = function() { return { type: TokenType.NON_WHITE_SPACE } },
peg$c164 = function() { return { type: TokenType.WORD_BOUNDARY } },
peg$c165 = "\\B",
peg$c166 = peg$literalExpectation("\\B", false),
peg$c167 = function() { return { type: TokenType.NON_WORD_BOUNDARY } },
peg$c168 = "\\w",
peg$c169 = peg$literalExpectation("\\w", false),
peg$c170 = function() { return { type: TokenType.WORD } },
peg$c171 = "\\W",
peg$c172 = peg$literalExpectation("\\W", false),
peg$c173 = function() { return { type: TokenType.NON_WORD } },
peg$c174 = function(code) { return { type: TokenType.ESCAPE, code: code } },
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$SyntaxError.buildMessage(expected, found),
expected,
found,
location
);
}
function peg$parseregexp() {
var s0;
s0 = peg$parsepatternMod();
if (s0 === peg$FAILED) {
s0 = peg$parsepattern();
}
return s0;
}
function peg$parsepattern() {
var s0, s1, s2, s3, s4;
s0 = peg$currPos;
s1 = peg$parsematch();
if (s1 !== peg$FAILED) {
s2 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 124) {
s3 = peg$c0;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c1); }
}
if (s3 !== peg$FAILED) {
s4 = peg$parsepattern();
if (s4 !== peg$FAILED) {
s3 = [s3, s4];
s2 = s3;
} else {
peg$currPos = s2;
s2 = peg$FAILED;
}
} else {
peg$currPos = s2;
s2 = peg$FAILED;
}
if (s2 === peg$FAILED) {
s2 = null;
}
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c2(s1, s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsepatternMod() {
var s0, s1, s2, s3, s4;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 47) {
s1 = peg$c3;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c4); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parsepattern();
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 47) {
s3 = peg$c3;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c4); }
}
if (s3 !== peg$FAILED) {
s4 = peg$parsemodifierPositive();
if (s4 === peg$FAILED) {
s4 = null;
}
if (s4 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c5(s2, s4);
s0 = s1;
} else {
peg$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$FAILED;
}
return s0;
}
function peg$parsematch() {
var s0, s1, s2, s3, s4, s5;
s0 = peg$currPos;
s1 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 40) {
s2 = peg$c6;
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c7); }
}
if (s2 !== peg$FAILED) {
s3 = peg$parsemodifier();
if (s3 !== peg$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) {
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$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
s2 = peg$parsebegin();
if (s2 === peg$FAILED) {
s2 = null;
}
if (s2 !== peg$FAILED) {
s3 = peg$currPos;
peg$silentFails++;
s4 = peg$parsequantifier();
peg$silentFails--;
if (s4 === peg$FAILED) {
s3 = void 0;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
if (s3 !== peg$FAILED) {
s4 = [];
s5 = peg$parsequantified();
if (s5 === peg$FAILED) {
s5 = peg$parsesubmatch();
}
while (s5 !== peg$FAILED) {
s4.push(s5);
s5 = peg$parsequantified();
if (s5 === peg$FAILED) {
s5 = peg$parsesubmatch();
}
}
if (s4 !== peg$FAILED) {
s5 = peg$parseend();
if (s5 === peg$FAILED) {
s5 = null;
}
if (s5 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c10(s1, s2, 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;
}
return s0;
}
function peg$parsesubmatch() {
var s0;
s0 = peg$parsesubexp();
if (s0 === peg$FAILED) {
s0 = peg$parsecharset();
if (s0 === peg$FAILED) {
s0 = peg$parseterminal();
}
}
return s0;
}
function peg$parsebegin() {
var s0, s1;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 94) {
s1 = peg$c11;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c12); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c13();
}
s0 = s1;
return s0;
}
function peg$parseend() {
var s0, s1;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 36) {
s1 = peg$c14;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c15); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c16();
}
s0 = s1;
return s0;
}
function peg$parsemodifier() {
var s0, s1, s2;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 63) {
s1 = peg$c17;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c18); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parsemodifierSpec();
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c19(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsemodifierSpec() {
var s0;
s0 = peg$parsemodifierPositiveNegative();
if (s0 === peg$FAILED) {
s0 = peg$parsemodifierPositive();
if (s0 === peg$FAILED) {
s0 = peg$parsemodifierNegative();
}
}
return s0;
}
function peg$parsemodifierPositiveNegative() {
var s0, s1, s2, s3, s4;
s0 = peg$currPos;
s1 = [];
if (peg$c20.test(input.charAt(peg$currPos))) {
s2 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c21); }
}
if (s2 !== peg$FAILED) {
while (s2 !== peg$FAILED) {
s1.push(s2);
if (peg$c20.test(input.charAt(peg$currPos))) {
s2 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c21); }
}
}
} else {
s1 = peg$FAILED;
}
if (s1 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 45) {
s2 = peg$c22;
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c23); }
}
if (s2 !== peg$FAILED) {
s3 = [];
if (peg$c20.test(input.charAt(peg$currPos))) {
s4 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s4 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c21); }
}
if (s4 !== peg$FAILED) {
while (s4 !== peg$FAILED) {
s3.push(s4);
if (peg$c20.test(input.charAt(peg$currPos))) {
s4 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s4 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c21); }
}
}
} else {
s3 = peg$FAILED;
}
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c24(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$parsemodifierPositive() {
var s0, s1, s2;
s0 = peg$currPos;
s1 = [];
if (peg$c20.test(input.charAt(peg$currPos))) {
s2 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c21); }
}
if (s2 !== peg$FAILED) {
while (s2 !== peg$FAILED) {
s1.push(s2);
if (peg$c20.test(input.charAt(peg$currPos))) {
s2 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c21); }
}
}
} else {
s1 = peg$FAILED;
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c25(s1);
}
s0 = s1;
return s0;
}
function peg$parsemodifierNegative() {
var s0, s1, s2, s3;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 45) {
s1 = peg$c22;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c23); }
}
if (s1 !== peg$FAILED) {
s2 = [];
if (peg$c20.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c21); }
}
if (s3 !== peg$FAILED) {
while (s3 !== peg$FAILED) {
s2.push(s3);
if (peg$c20.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c21); }
}
}
} else {
s2 = peg$FAILED;
}
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c26(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsequantified() {
var s0, s1, s2;
s0 = peg$currPos;
s1 = peg$parsesubmatch();
if (s1 !== peg$FAILED) {
s2 = peg$parsequantifier();
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c27(s1, s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsequantifier() {
var s0, s1, s2;
peg$silentFails++;
s0 = peg$currPos;
s1 = peg$parsequantifierSpec();
if (s1 !== peg$FAILED) {
s2 = peg$parsegreedyFlag();
if (s2 === peg$FAILED) {
s2 = null;
}
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c29(s1, s2);
s0 = s1;
} 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$fail(peg$c28); }
}
return s0;
}
function peg$parsequantifierSpec() {
var s0;
s0 = peg$parsequantifierSpecFull();
if (s0 === peg$FAILED) {
s0 = peg$parsequantifierSpecAtLeast();
if (s0 === peg$FAILED) {
s0 = peg$parsequantifierSpecExact();
if (s0 === peg$FAILED) {
s0 = peg$parsequantifierRequired();
if (s0 === peg$FAILED) {
s0 = peg$parsequantifierAny();
if (s0 === peg$FAILED) {
s0 = peg$parsequantifierOptional();
}
}
}
}
}
return s0;
}
function peg$parsequantifierSpecFull() {
var s0, s1, s2, s3, s4, s5;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 123) {
s1 = peg$c30;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c31); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parseinteger();
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 44) {
s3 = peg$c32;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c33); }
}
if (s3 !== peg$FAILED) {
s4 = peg$parseinteger();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 125) {
s5 = peg$c34;
peg$currPos++;
} else {
s5 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c35); }
}
if (s5 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c36(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;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsequantifierSpecAtLeast() {
var s0, s1, s2, s3;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 123) {
s1 = peg$c30;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c31); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parseinteger();
if (s2 !== peg$FAILED) {
if (input.substr(peg$currPos, 2) === peg$c37) {
s3 = peg$c37;
peg$currPos += 2;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c38); }
}
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c39(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsequantifierSpecExact() {
var s0, s1, s2, s3;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 123) {
s1 = peg$c30;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c31); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parseinteger();
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 125) {
s3 = peg$c34;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c35); }
}
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c40(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsequantifierRequired() {
var s0, s1;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 43) {
s1 = peg$c41;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c42); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c43();
}
s0 = s1;
return s0;
}
function peg$parsequantifierAny() {
var s0, s1;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 42) {
s1 = peg$c44;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c45); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c46();
}
s0 = s1;
return s0;
}
function peg$parsequantifierOptional() {
var s0, s1;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 63) {
s1 = peg$c17;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c18); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c47();
}
s0 = s1;
return s0;
}
function peg$parsegreedyFlag() {
var s0;
if (input.charCodeAt(peg$currPos) === 63) {
s0 = peg$c17;
peg$currPos++;
} else {
s0 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c18); }
}
return s0;
}
function peg$parseinteger() {
var s0, s1, s2;
s0 = peg$currPos;
s1 = [];
if (peg$c48.test(input.charAt(peg$currPos))) {
s2 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c49); }
}
if (s2 !== peg$FAILED) {
while (s2 !== peg$FAILED) {
s1.push(s2);
if (peg$c48.test(input.charAt(peg$currPos))) {
s2 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c49); }
}
}
} else {
s1 = peg$FAILED;
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c50(s1);
}
s0 = s1;
return s0;
}
function peg$parsesubexp() {
var s0, s1, s2, s3;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 40) {
s1 = peg$c6;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c7); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parsepositiveLookbehind();
if (s2 === peg$FAILED) {
s2 = peg$parsenegativeLookbehind();
if (s2 === peg$FAILED) {
s2 = peg$parsepositiveLookahead();
if (s2 === peg$FAILED) {
s2 = peg$parsenegativeLookahead();
if (s2 === peg$FAILED) {
s2 = peg$parsegroupNamed();
if (s2 === peg$FAILED) {
s2 = peg$parsegroupNoCapture();
if (s2 === peg$FAILED) {
s2 = peg$parsegroupModifiers();
if (s2 === peg$FAILED) {
s2 = peg$parsemodifier();
if (s2 === peg$FAILED) {
s2 = peg$parsegroupCapture();
}
}
}
}
}
}
}
}
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s3 = peg$c8;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c9); }
}
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c51(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsegroupCapture() {
var s0, s1;
s0 = peg$currPos;
s1 = peg$parseregexp();
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c52(s1);
}
s0 = s1;
return s0;
}
function peg$parsegroupNoCapture() {
var s0, s1, s2;
s0 = peg$currPos;
if (input.substr(peg$currPos, 2) === peg$c53) {
s1 = peg$c53;
peg$currPos += 2;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c54); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parseregexp();
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c55(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsegroupNamed() {
var s0, s1, s2, s3, s4;
s0 = peg$currPos;
if (input.substr(peg$currPos, 2) === peg$c56) {
s1 = peg$c56;
peg$currPos += 2;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c57); }
}
if (s1 !== peg$FAILED) {
s2 = [];
if (peg$c58.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c59); }
}
if (s3 !== peg$FAILED) {
while (s3 !== peg$FAILED) {
s2.push(s3);
if (peg$c58.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c59); }
}
}
} else {
s2 = peg$FAILED;
}
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 62) {
s3 = peg$c60;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c61); }
}
if (s3 !== peg$FAILED) {
s4 = peg$parseregexp();
if (s4 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c62(s2, s4);
s0 = s1;
} else {
peg$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$FAILED;
}
return s0;
}
function peg$parsepositiveLookbehind() {
var s0, s1, s2;
s0 = peg$currPos;
if (input.substr(peg$currPos, 3) === peg$c63) {
s1 = peg$c63;
peg$currPos += 3;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c64); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parseregexp();
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c65(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsenegativeLookbehind() {
var s0, s1, s2;
s0 = peg$currPos;
if (input.substr(peg$currPos, 3) === peg$c66) {
s1 = peg$c66;
peg$currPos += 3;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c67); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parseregexp();
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c68(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsepositiveLookahead() {
var s0, s1, s2;
s0 = peg$currPos;
if (input.substr(peg$currPos, 2) === peg$c69) {
s1 = peg$c69;
peg$currPos += 2;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c70); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parseregexp();
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c71(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsenegativeLookahead() {
var s0, s1, s2;
s0 = peg$currPos;
if (input.substr(peg$currPos, 2) === peg$c72) {
s1 = peg$c72;
peg$currPos += 2;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c73); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parseregexp();
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c74(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsegroupModifiers() {
var s0, s1, s2, s3, s4;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 63) {
s1 = peg$c17;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c18); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parsemodifierSpec();
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 58) {
s3 = peg$c75;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c76); }
}
if (s3 !== peg$FAILED) {
s4 = peg$parseregexp();
if (s4 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c77(s2, s4);
s0 = s1;
} else {
peg$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$FAILED;
}
return s0;
}
function peg$parsecharset() {
var s0, s1, s2, s3, s4;
peg$silentFails++;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 91) {
s1 = peg$c79;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c80); }
}
if (s1 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 94) {
s2 = peg$c11;
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c12); }
}
if (s2 === peg$FAILED) {
s2 = null;
}
if (s2 !== peg$FAILED) {
s3 = [];
s4 = peg$parsecharsetRange();
if (s4 === peg$FAILED) {
s4 = peg$parsecharsetTerminal();
}
while (s4 !== peg$FAILED) {
s3.push(s4);
s4 = peg$parsecharsetRange();
if (s4 === peg$FAILED) {
s4 = peg$parsecharsetTerminal();
}
}
if (s3 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 93) {
s4 = peg$c81;
peg$currPos++;
} else {
s4 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c82); }
}
if (s4 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c83(s2, s3);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$silentFails--;
if (s0 === peg$FAILED) {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c78); }
}
return s0;
}
function peg$parsecharsetRange() {
var s0, s1, s2, s3;
peg$silentFails++;
s0 = peg$currPos;
s1 = peg$parsecharsetTerminal();
if (s1 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 45) {
s2 = peg$c22;
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c23); }
}
if (s2 !== peg$FAILED) {
s3 = peg$parsecharsetTerminal();
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c85(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$fail(peg$c84); }
}
return s0;
}
function peg$parsecharsetTerminal() {
var s0, s1;
peg$silentFails++;
s0 = peg$parsecharsetEscapedCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parsecharsetLiteral();
}
peg$silentFails--;
if (s0 === peg$FAILED) {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c86); }
}
return s0;
}
function peg$parsecharsetLiteral() {
var s0, s1;
s0 = peg$currPos;
if (peg$c87.test(input.charAt(peg$currPos))) {
s1 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c88); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c89(s1);
}
s0 = s1;
return s0;
}
function peg$parsecharsetEscapedCharacter() {
var s0;
s0 = peg$parsebackspaceCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parsecontrolCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parsedigitCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parsenonDigitCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parseformFeedCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parselineFeedCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parsecarriageReturnCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parsewhiteSpaceCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parsenonWhiteSpaceCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parsetabCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parseverticalTabCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parsewordCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parsenonWordCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parseoctalCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parsehexCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parseutf16Character();
if (s0 === peg$FAILED) {
s0 = peg$parseunicodeCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parsenullCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parseotherEscaped();
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
return s0;
}
function peg$parseterminal() {
var s0;
s0 = peg$parseanyCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parseescapedCharacter();
if (s0 === peg$FAILED) {
s0 = peg$parseliteral();
}
}
return s0;
}
function peg$parseanyCharacter() {
var s0, s1;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 46) {
s1 = peg$c90;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c91); }
}
if (s1 !