dtl-js
Version:
Data Transformation Language - JSON templates and data transformation
1,734 lines (1,582 loc) • 121 kB
JavaScript
/* =================================================
* Copyright (c) 2015-2022 Jay Kuri
*
* This file is part of DTL.
*
* DTL is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* DTL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with DTL; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
* =================================================
*/
// Generated by Peggy 3.0.2.
//
// https://peggyjs.org/
"use strict";
function peg$subclass(child, parent) {
function C() { this.constructor = child; }
C.prototype = parent.prototype;
child.prototype = new C();
}
function peg$SyntaxError(message, expected, found, location) {
var self = Error.call(this, message);
// istanbul ignore next Check is a necessary evil to support older environments
if (Object.setPrototypeOf) {
Object.setPrototypeOf(self, peg$SyntaxError.prototype);
}
self.expected = expected;
self.found = found;
self.location = location;
self.name = "SyntaxError";
return self;
}
peg$subclass(peg$SyntaxError, Error);
function peg$padEnd(str, targetLength, padString) {
padString = padString || " ";
if (str.length > targetLength) { return str; }
targetLength -= str.length;
padString += padString.repeat(targetLength);
return str + padString.slice(0, targetLength);
}
peg$SyntaxError.prototype.format = function(sources) {
var str = "Error: " + this.message;
if (this.location) {
var src = null;
var k;
for (k = 0; k < sources.length; k++) {
if (sources[k].source === this.location.source) {
src = sources[k].text.split(/\r\n|\n|\r/g);
break;
}
}
var s = this.location.start;
var offset_s = (this.location.source && (typeof this.location.source.offset === "function"))
? this.location.source.offset(s)
: s;
var loc = this.location.source + ":" + offset_s.line + ":" + offset_s.column;
if (src) {
var e = this.location.end;
var filler = peg$padEnd("", offset_s.line.toString().length, ' ');
var line = src[s.line - 1];
var last = s.line === e.line ? e.column : line.length + 1;
var hatLen = (last - s.column) || 1;
str += "\n --> " + loc + "\n"
+ filler + " |\n"
+ offset_s.line + " | " + line + "\n"
+ filler + " | " + peg$padEnd("", s.column - 1, ' ')
+ peg$padEnd("", hatLen, "^");
} else {
str += "\n at " + loc;
}
}
return str;
};
peg$SyntaxError.buildMessage = function(expected, found) {
var DESCRIBE_EXPECTATION_FNS = {
literal: function(expectation) {
return "\"" + literalEscape(expectation.text) + "\"";
},
class: function(expectation) {
var escapedParts = expectation.parts.map(function(part) {
return Array.isArray(part)
? classEscape(part[0]) + "-" + classEscape(part[1])
: classEscape(part);
});
return "[" + (expectation.inverted ? "^" : "") + escapedParts.join("") + "]";
},
any: function() {
return "any character";
},
end: function() {
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 = expected.map(describeExpectation);
var i, j;
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$parse(input, options) {
options = options !== undefined ? options : {};
var peg$FAILED = {};
var peg$source = options.grammarSource;
var peg$startRuleFunctions = { start: peg$parsestart };
var peg$startRuleFunction = peg$parsestart;
var peg$c0 = "&";
var peg$c1 = "(";
var peg$c2 = "/";
var peg$c3 = "^";
var peg$c4 = "$";
var peg$c5 = ".";
var peg$c6 = "{";
var peg$c7 = "}";
var peg$c8 = "[";
var peg$c9 = "]";
var peg$c10 = "$.";
var peg$c11 = "*";
var peg$c12 = "@";
var peg$c13 = "<=>";
var peg$c14 = "=";
var peg$c15 = "..";
var peg$c16 = ":";
var peg$c17 = "&&";
var peg$c18 = "||";
var peg$c19 = "=~";
var peg$c20 = "!";
var peg$c21 = "->";
var peg$c22 = "+";
var peg$c23 = "-";
var peg$c24 = "0x";
var peg$c25 = "0o";
var peg$c26 = "0b";
var peg$c27 = "/*";
var peg$c28 = "*/";
var peg$c29 = "//";
var peg$c30 = "\n";
var peg$c31 = "true";
var peg$c32 = "false";
var peg$c33 = "undefined";
var peg$c34 = "undef";
var peg$c35 = ")";
var peg$c36 = "\"";
var peg$c37 = "m";
var peg$c38 = "/'";
var peg$c39 = "'/";
var peg$c40 = "/`";
var peg$c41 = "`/";
var peg$c42 = "\\/";
var peg$c43 = "\\\\";
var peg$c44 = "\\ ";
var peg$c45 = "`";
var peg$c46 = "'";
var peg$c47 = "\\";
var peg$r0 = /^[+\-~]/;
var peg$r1 = /^[>(]/;
var peg$r2 = /^[~*%]/;
var peg$r3 = /^[=!<>]/;
var peg$r4 = /^[<>]/;
var peg$r5 = /^[A-Fa-f0-9]/;
var peg$r6 = /^[0-7]/;
var peg$r7 = /^[0-1]/;
var peg$r8 = /^[0-9]/;
var peg$r9 = /^[.]/;
var peg$r10 = /^[ \t\r\n]/;
var peg$r11 = /^[ \t\r\n,]/;
var peg$r12 = /^[gimsuy]/;
var peg$r13 = /^[^']/;
var peg$r14 = /^[^`]/;
var peg$r15 = /^[^\/ ]/;
var peg$r16 = /^[^'",.+=><()\\[\]\0-\x1F\x7F\/:}{ ]/;
var peg$r17 = /^[^'"()[\]\\\0-\x1F\x7F\/ $]/;
var peg$r18 = /^[\/()$]/;
var peg$r19 = /^[^"]/;
var peg$r20 = /^[^\/]/;
var peg$r21 = /^[a-zA-Z0-9_#&\^?.@\\\u2200-\u22FF]/;
var peg$e0 = peg$classExpectation(["+", "-", "~"], false, false);
var peg$e1 = peg$classExpectation([">", "("], false, false);
var peg$e2 = peg$literalExpectation("&", false);
var peg$e3 = peg$classExpectation(["~", "*", "%"], false, false);
var peg$e4 = peg$literalExpectation("(", false);
var peg$e5 = peg$literalExpectation("/", false);
var peg$e6 = peg$literalExpectation("^", false);
var peg$e7 = peg$otherExpectation("literal value");
var peg$e8 = peg$otherExpectation("variable expression");
var peg$e9 = peg$literalExpectation("$", false);
var peg$e10 = peg$literalExpectation(".", false);
var peg$e11 = peg$literalExpectation("{", false);
var peg$e12 = peg$literalExpectation("}", false);
var peg$e13 = peg$literalExpectation("[", false);
var peg$e14 = peg$literalExpectation("]", false);
var peg$e15 = peg$literalExpectation("$.", false);
var peg$e16 = peg$literalExpectation("*", false);
var peg$e17 = peg$literalExpectation("@", false);
var peg$e18 = peg$otherExpectation("operator");
var peg$e19 = peg$literalExpectation("<=>", false);
var peg$e20 = peg$classExpectation(["=", "!", "<", ">"], false, false);
var peg$e21 = peg$literalExpectation("=", false);
var peg$e22 = peg$classExpectation(["<", ">"], false, false);
var peg$e23 = peg$otherExpectation("range");
var peg$e24 = peg$literalExpectation("..", false);
var peg$e25 = peg$literalExpectation(":", false);
var peg$e26 = peg$otherExpectation("logical operator");
var peg$e27 = peg$literalExpectation("&&", false);
var peg$e28 = peg$literalExpectation("||", false);
var peg$e29 = peg$literalExpectation("=~", false);
var peg$e30 = peg$literalExpectation("!", false);
var peg$e31 = peg$otherExpectation("closing }");
var peg$e32 = peg$literalExpectation("->", false);
var peg$e33 = peg$otherExpectation("number");
var peg$e34 = peg$literalExpectation("+", false);
var peg$e35 = peg$literalExpectation("-", false);
var peg$e36 = peg$literalExpectation("0x", false);
var peg$e37 = peg$classExpectation([["A", "F"], ["a", "f"], ["0", "9"]], false, false);
var peg$e38 = peg$literalExpectation("0o", false);
var peg$e39 = peg$classExpectation([["0", "7"]], false, false);
var peg$e40 = peg$literalExpectation("0b", false);
var peg$e41 = peg$classExpectation([["0", "1"]], false, false);
var peg$e42 = peg$classExpectation([["0", "9"]], false, false);
var peg$e43 = peg$classExpectation(["."], false, false);
var peg$e44 = peg$otherExpectation("whitespace");
var peg$e45 = peg$classExpectation([" ", "\t", "\r", "\n"], false, false);
var peg$e46 = peg$classExpectation([" ", "\t", "\r", "\n", ","], false, false);
var peg$e47 = peg$literalExpectation("/*", false);
var peg$e48 = peg$literalExpectation("*/", false);
var peg$e49 = peg$anyExpectation();
var peg$e50 = peg$literalExpectation("//", false);
var peg$e51 = peg$literalExpectation("\n", false);
var peg$e52 = peg$otherExpectation("boolean");
var peg$e53 = peg$literalExpectation("true", false);
var peg$e54 = peg$literalExpectation("false", false);
var peg$e55 = peg$otherExpectation("undefinedValue");
var peg$e56 = peg$literalExpectation("undefined", false);
var peg$e57 = peg$literalExpectation("undef", false);
var peg$e58 = peg$otherExpectation("closing )");
var peg$e59 = peg$literalExpectation(")", false);
var peg$e60 = peg$otherExpectation("closing ]");
var peg$e61 = peg$literalExpectation("\"", false);
var peg$e62 = peg$literalExpectation("m", false);
var peg$e63 = peg$literalExpectation("/'", false);
var peg$e64 = peg$literalExpectation("'/", false);
var peg$e65 = peg$classExpectation(["g", "i", "m", "s", "u", "y"], false, false);
var peg$e66 = peg$literalExpectation("/`", false);
var peg$e67 = peg$literalExpectation("`/", false);
var peg$e68 = peg$literalExpectation("\\/", false);
var peg$e69 = peg$literalExpectation("\\\\", false);
var peg$e70 = peg$classExpectation(["'"], true, false);
var peg$e71 = peg$classExpectation(["`"], true, false);
var peg$e72 = peg$literalExpectation("\\ ", false);
var peg$e73 = peg$classExpectation(["/", " "], true, false);
var peg$e74 = peg$literalExpectation("`", false);
var peg$e75 = peg$literalExpectation("'", false);
var peg$e76 = peg$classExpectation(["'", "\"", ",", ".", "+", "=", ">", "<", "(", ")", "\\", "[", "]", ["\0", "\x1F"], "\x7F", "/", ":", "}", "{", " "], true, false);
var peg$e77 = peg$classExpectation(["'", "\"", "(", ")", "[", "]", "\\", ["\0", "\x1F"], "\x7F", "/", " ", "$"], true, false);
var peg$e78 = peg$classExpectation(["/", "(", ")", "$"], false, false);
var peg$e79 = peg$literalExpectation("\\", false);
var peg$e80 = peg$classExpectation(["\""], true, false);
var peg$e81 = peg$classExpectation(["/"], true, false);
var peg$e82 = peg$otherExpectation("helper name");
var peg$e83 = peg$classExpectation([["a", "z"], ["A", "Z"], ["0", "9"], "_", "#", "&", "^", "?", ".", "@", "\\", ["\u2200", "\u22FF"]], false, false);
var peg$f0 = function(parsed) { return parsed; };
var peg$f1 = function() { return undefined; };
var peg$f2 = function(left, op, right) { return get_operator(op, left, right); };
var peg$f3 = function(left, op, right) { return get_operator(op,left, right); };
var peg$f4 = function(input, transform) { return helper_func('transform', [ input, transform ] ) };
var peg$f5 = function(left, op, rest) { return merge_math_args(left, op, rest); };
var peg$f6 = function(left, right) { return helper_func('&', [left, right]); };
var peg$f7 = function(left, op, rest) { return merge_math_args(left, op, rest); };
var peg$f8 = function(left, op, rest) { return merge_math_args(left, op, rest); };
var peg$f9 = function(left, op, right) { return get_operator(op,left, right); };
var peg$f10 = function(v) { return val(v); };
var peg$f11 = function(v) { return val(v); };
var peg$f12 = function(v) { return val(v); };
var peg$f13 = function(v) { return val(v) };
var peg$f14 = function(v) { return val(v) };
var peg$f15 = function(v) { return v; };
var peg$f16 = function(keys) { return variable_expression(keys); };
var peg$f17 = function(keys) { return variable_expression([keys]); };
var peg$f18 = function(keys) { return variable_expression([keys]); };
var peg$f19 = function() { return variable_expression([]); };
var peg$f20 = function(data, keys) { return get_operator('[.]', data, keys); };
var peg$f21 = function(data) { return data ; };
var peg$f22 = function(data) { return data; };
var peg$f23 = function(keys) { return "" + keys.join(""); };
var peg$f24 = function(data) { return ''};
var peg$f25 = function(keys) { return "" + keys.join(""); };
var peg$f26 = function() { return '*'; };
var peg$f27 = function(keys) { return internal_variable(keys); };
var peg$f28 = function(keys) { return "" + keys.join(""); };
var peg$f29 = function(ex) { return get_operator("()", ex); };
var peg$f30 = function(ex) { return ex; };
var peg$f31 = function() { return "<=>"; };
var peg$f32 = function(type) { return type+"="; };
var peg$f33 = function(left, right, step) { return get_operator('..', left, right, step); };
var peg$f34 = function(left, right) { return get_operator('..', left, right, 1); };
var peg$f35 = function(ex) { return get_operator("!", ex); };
var peg$f36 = function(ex) { return get_operator("[]", ex) };
var peg$f37 = function(ls) { return get_operator("{}", ls); };
var peg$f38 = function(par) { return get_operator("{}", par); };
var peg$f39 = function(par) { return get_operator("{}", par); };
var peg$f40 = function(transform) { return transform; };
var peg$f41 = function(transform) { return transform; };
var peg$f42 = function(left, right) { return get_operator(":", left, right) };
var peg$f43 = function(left, right) { return get_operator(":", left, right) };
var peg$f44 = function(ex) { return ex; };
var peg$f45 = function(pn) { return pn };
var peg$f46 = function(pn) { return (0 - pn); };
var peg$f47 = function(digits) { return parse_integer(digits.join("").toLowerCase(), 16) };
var peg$f48 = function(digits) { return parse_integer(digits.join(""), 8) };
var peg$f49 = function(digits) { return parse_integer(digits.join(""), 2) };
var peg$f50 = function(digits, dec, digits2) { return parse_float(digits.join("") + dec + digits2.join("")); };
var peg$f51 = function(digits) { return parse_integer(digits.join("")); };
var peg$f52 = function() { return ''; };
var peg$f53 = function() { return ''; };
var peg$f54 = function() { return '';};
var peg$f55 = function() { return ''; };
var peg$f56 = function() { return '';};
var peg$f57 = function() { return '';};
var peg$f58 = function() { return true; };
var peg$f59 = function() { return false; };
var peg$f60 = function() { return undefined; };
var peg$f61 = function() { return undefined; };
var peg$f62 = function(helper, args) { return helper_func(helper.join(''), args) };
var peg$f63 = function(chars) { if (chars.length) { return chars.join("");} else { return undefined; }};
var peg$f64 = function(chars1, meta, chars2) { return get_operator('&', chars1.join(""), get_operator('&', meta, chars2.join(""))); };
var peg$f65 = function(quoted) { return quoted.join(""); };
var peg$f66 = function(reg, flag) { return get_operator('//', reg.join(""), flag.join(""), true, "'"); };
var peg$f67 = function(reg, flag) { return get_operator('//', reg.join(""), flag.join(""), true, "`"); };
var peg$f68 = function(reg, flag) { return get_operator('//', reg.join(""), flag.join("")); };
var peg$f69 = function() { return "/" };
var peg$f70 = function() { return "\\" };
var peg$f71 = function() { return "/" };
var peg$f72 = function() { return "\\" };
var peg$f73 = function() { return "/" };
var peg$f74 = function() { return " " };
var peg$f75 = function(quoted) { return quoted.join("") };
var peg$f76 = function(quoted) { return quoted.join(""); };
var peg$f77 = function(escaped) { return escaped; };
var peg$f78 = function(res) { return res; };
var peg$f79 = function(res) { return res; };
var peg$f80 = function(res) { return res; };
var peg$currPos = 0;
var peg$savedPos = 0;
var peg$posDetailsCache = [{ line: 1, column: 1 }];
var peg$maxFailPos = 0;
var peg$maxFailExpected = [];
var peg$silentFails = 0;
var peg$resultsCache = {};
var 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 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$literalExpectation(text, ignoreCase) {
return { type: "literal", text: text, ignoreCase: ignoreCase };
}
function peg$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$posDetailsCache[pos];
var p;
if (details) {
return details;
} else {
p = pos - 1;
while (!peg$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$computeLocation(startPos, endPos, offset) {
var startPosDetails = peg$computePosDetails(startPos);
var endPosDetails = peg$computePosDetails(endPos);
var res = {
source: peg$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$parsestart() {
var s0, s1, s2, s3;
var key = peg$currPos * 58 + 0;
var cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parse_();
s2 = peg$parselogicals();
if (s2 !== peg$FAILED) {
s3 = peg$parse_();
peg$savedPos = s0;
s0 = peg$f0(s2);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parse_();
peg$savedPos = s0;
s1 = peg$f1();
s0 = s1;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parselogicals() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 58 + 1;
var cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parseoperation();
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
s3 = peg$parselogical_ops();
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
s5 = peg$parselogicals();
if (s5 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f2(s1, s3, s5);
} else {
peg$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$parseoperation();
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseoperation() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 58 + 2;
var cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$parsetransform();
if (s0 === peg$FAILED) {
s0 = peg$parserange();
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parseadditive();
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
s3 = peg$parseoperator();
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
s5 = peg$parseoperation();
if (s5 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f3(s1, s3, s5);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$parseadditive();
}
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsetransform() {
var s0, s1, s2, s3;
var key = peg$currPos * 58 + 3;
var cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parseadditive();
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
s3 = peg$parsetransform_short();
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f4(s1, s3);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseadditive() {
var s0, s1, s2, s3, s4, s5, s6, s7;
var key = peg$currPos * 58 + 4;
var cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parsemultiplicative();
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (peg$r0.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e0); }
}
if (s3 !== peg$FAILED) {
s4 = peg$currPos;
peg$silentFails++;
if (peg$r1.test(input.charAt(peg$currPos))) {
s5 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s5 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e1); }
}
peg$silentFails--;
if (s5 === peg$FAILED) {
s4 = undefined;
} else {
peg$currPos = s4;
s4 = peg$FAILED;
}
if (s4 !== peg$FAILED) {
s5 = peg$currPos;
s6 = peg$parse_();
s7 = peg$parseadditive();
if (s7 !== peg$FAILED) {
s6 = [s6, s7];
s5 = s6;
} else {
peg$currPos = s5;
s5 = peg$FAILED;
}
if (s5 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f5(s1, s3, s5);
} else {
peg$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$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parsemultiplicative();
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (input.charCodeAt(peg$currPos) === 38) {
s3 = peg$c0;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e2); }
}
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
s5 = peg$currPos;
peg$silentFails++;
s6 = peg$parseparenthesized();
peg$silentFails--;
if (s6 === peg$FAILED) {
s5 = undefined;
} else {
peg$currPos = s5;
s5 = peg$FAILED;
}
if (s5 !== peg$FAILED) {
s6 = peg$parseadditive();
if (s6 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f6(s1, s6);
} else {
peg$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$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$parsemultiplicative();
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsemultiplicative() {
var s0, s1, s2, s3, s4, s5, s6, s7, s8;
var key = peg$currPos * 58 + 5;
var cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parseexponential();
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (peg$r2.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e3); }
}
if (s3 !== peg$FAILED) {
s4 = peg$currPos;
peg$silentFails++;
if (input.charCodeAt(peg$currPos) === 40) {
s5 = peg$c1;
peg$currPos++;
} else {
s5 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e4); }
}
peg$silentFails--;
if (s5 === peg$FAILED) {
s4 = undefined;
} else {
peg$currPos = s4;
s4 = peg$FAILED;
}
if (s4 !== peg$FAILED) {
s5 = peg$currPos;
s6 = peg$parse_();
s7 = peg$parsemultiplicative();
if (s7 !== peg$FAILED) {
s6 = [s6, s7];
s5 = s6;
} else {
peg$currPos = s5;
s5 = peg$FAILED;
}
if (s5 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f7(s1, s3, s5);
} else {
peg$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$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parseexponential();
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (input.charCodeAt(peg$currPos) === 47) {
s3 = peg$c2;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e5); }
}
if (s3 !== peg$FAILED) {
s4 = peg$currPos;
peg$silentFails++;
s5 = peg$currPos;
s6 = [];
s7 = peg$parsereg_escape();
if (s7 !== peg$FAILED) {
while (s7 !== peg$FAILED) {
s6.push(s7);
s7 = peg$parsereg_escape();
}
} else {
s6 = peg$FAILED;
}
if (s6 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 47) {
s7 = peg$c2;
peg$currPos++;
} else {
s7 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e5); }
}
if (s7 !== peg$FAILED) {
s6 = [s6, s7];
s5 = s6;
} else {
peg$currPos = s5;
s5 = peg$FAILED;
}
} else {
peg$currPos = s5;
s5 = peg$FAILED;
}
peg$silentFails--;
if (s5 === peg$FAILED) {
s4 = undefined;
} else {
peg$currPos = s4;
s4 = peg$FAILED;
}
if (s4 !== peg$FAILED) {
s5 = peg$currPos;
peg$silentFails++;
s6 = peg$parseparenthesized();
peg$silentFails--;
if (s6 === peg$FAILED) {
s5 = undefined;
} else {
peg$currPos = s5;
s5 = peg$FAILED;
}
if (s5 !== peg$FAILED) {
s6 = peg$currPos;
s7 = peg$parse_();
s8 = peg$parsemultiplicative();
if (s8 !== peg$FAILED) {
s7 = [s7, s8];
s6 = s7;
} else {
peg$currPos = s6;
s6 = peg$FAILED;
}
if (s6 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f8(s1, s3, s6);
} else {
peg$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$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$parseexponential();
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseexponential() {
var s0, s1, s2, s3, s4, s5, s6;
var key = peg$currPos * 58 + 6;
var cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parseprimitives();
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (input.charCodeAt(peg$currPos) === 94) {
s3 = peg$c3;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e6); }
}
if (s3 !== peg$FAILED) {
s4 = peg$currPos;
peg$silentFails++;
if (input.charCodeAt(peg$currPos) === 40) {
s5 = peg$c1;
peg$currPos++;
} else {
s5 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e4); }
}
peg$silentFails--;
if (s5 === peg$FAILED) {
s4 = undefined;
} else {
peg$currPos = s4;
s4 = peg$FAILED;
}
if (s4 !== peg$FAILED) {
s5 = peg$parse_();
s6 = peg$parseexponential();
if (s6 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f9(s1, s3, 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;
}
if (s0 === peg$FAILED) {
s0 = peg$parseprimitives();
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseprimitives() {
var s0;
var key = peg$currPos * 58 + 7;
var cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$parseliteral_values();
if (s0 === peg$FAILED) {
s0 = peg$parsedtl_internal_variable();
if (s0 === peg$FAILED) {
s0 = peg$parsevariable();
if (s0 === peg$FAILED) {
s0 = peg$parseparenthesized();
if (s0 === peg$FAILED) {
s0 = peg$parsehelper_functions();
if (s0 === peg$FAILED) {
s0 = peg$parselogical_not();
if (s0 === peg$FAILED) {
s0 = peg$parseliteral_structures();
if (s0 === peg$FAILED) {
s0 = peg$parsequoted_chars();
if (s0 === peg$FAILED) {
s0 = peg$parseembeddedvars();
if (s0 === peg$FAILED) {
s0 = peg$parseregex();
}
}
}
}
}
}
}
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseliteral_values() {
var s0, s1;
var key = peg$currPos * 58 + 8;
var cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
peg$silentFails++;
s0 = peg$currPos;
s1 = peg$parsehard_quoted_characters();
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f10(s1);
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parsequoted_chars();
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f11(s1);
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parsenumber();
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f12(s1);
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parsebooleanValue();
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f13(s1);
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parseundefinedValue();
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f14(s1);
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parseregex();
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f15(s1);
}
s0 = s1;
}
}
}
}
}
peg$silentFails--;
if (s0 === peg$FAILED) {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e7); }
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsevariable() {
var s0, s1, s2, s3, s4, s5, s6, s7;
var key = peg$currPos * 58 + 9;
var cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
peg$silentFails++;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 36) {
s1 = peg$c4;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e9); }
}
if (s1 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 46) {
s2 = peg$c5;
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e10); }
}
if (s2 === peg$FAILED) {
s2 = null;
}
if (input.charCodeAt(peg$currPos) === 123) {
s3 = peg$c6;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e11); }
}
if (s3 === peg$FAILED) {
s3 = null;
}
s4 = [];
s5 = peg$parsevariable_keys();
if (s5 !== peg$FAILED) {
while (s5 !== peg$FAILED) {
s4.push(s5);
s5 = peg$parsevariable_keys();
}
} else {
s4 = peg$FAILED;
}
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 125) {
s5 = peg$c7;
peg$currPos++;
} else {
s5 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e12); }
}
if (s5 === peg$FAILED) {
s5 = null;
}
peg$savedPos = s0;
s0 = peg$f16(s4);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 36) {
s1 = peg$c4;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e9); }
}
if (s1 !== peg$FAILED) {
s2 = [];
s3 = peg$parsevariable_keys();
if (s3 !== peg$FAILED) {
while (s3 !== peg$FAILED) {
s2.push(s3);
s3 = peg$parsevariable_keys();
}
} else {
s2 = peg$FAILED;
}
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f17(s2);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 36) {
s1 = peg$c4;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e9); }
}
if (s1 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 46) {
s2 = peg$c5;
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e10); }
}
if (s2 === peg$FAILED) {
s2 = null;
}
if (input.charCodeAt(peg$currPos) === 91) {
s3 = peg$c8;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e13); }
}
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
s5 = peg$parseprimitives();
if (s5 !== peg$FAILED) {
s6 = peg$parse_();
if (input.charCodeAt(peg$currPos) === 93) {
s7 = peg$c9;
peg$currPos++;
} else {
s7 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e14); }
}
if (s7 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f18(s5);
} else {
peg$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$currPos;
if (input.substr(peg$currPos, 2) === peg$c10) {
s1 = peg$c10;
peg$currPos += 2;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e15); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f19();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parseparenthesized();
if (s1 !== peg$FAILED) {
s2 = [];
s3 = peg$parsevariable_keys();
if (s3 !== peg$FAILED) {
while (s3 !== peg$FAILED) {
s2.push(s3);
s3 = peg$parsevariable_keys();
}
} else {
s2 = peg$FAILED;
}
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f20(s1, 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$fail(peg$e8); }
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsevariable_keys() {
var s0, s1, s2, s3;
var key = peg$currPos * 58 + 10;
var cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 91) {
s1 = peg$c8;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e13); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parsehard_quoted_characters();
if (s2 !== peg$FAILED) {
s3 = peg$parseclosing_bracket();
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f21(s2);
} else {
peg$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$currPos;
if (input.charCodeAt(peg$currPos) === 91) {
s1 = peg$c8;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e13); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parselogicals();
if (s2 !== peg$FAILED) {
s3 = peg$parseclosing_bracket();
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f22(s2);
} else {
peg$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$currPos;
if (input.charCodeAt(peg$currPos) === 91) {
s1 = peg$c8;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e13); }
}
if (s1 !== peg$FAILED) {
s2 = [];
s3 = peg$parsevarchars();
if (s3 !== peg$FAILED) {
while (s3 !== peg$FAILED) {
s2.push(s3);
s3 = peg$parsevarchars();
}
} else {
s2 = peg$FAILED;
}
if (s2 !== peg$FAILED) {
s3 = peg$parseclosing_bracket();
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f23(s2);
} else {
peg$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$currPos;
if (input.charCodeAt(peg$currPos) === 123) {
s1 = peg$c6;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e11); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parselogicals();
if (s2 !== peg$FAILED) {
s3 = peg$parseclosing_brace();
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f24(s2);
} else {
peg$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$currPos;
if (input.charCodeAt(peg$currPos) === 46) {
s1 = peg$c5;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e10); }
}
if (s1 !== peg$FAILED) {
s2 = [];
s3 = peg$parsevarchars();
if (s3 !== peg$FAILED) {
while (s3 !== peg$FAILED) {
s2.push(s3);
s3 = peg$parsevarchars();
}
} else {
s2 = peg$FAILED;
}
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f25(s2);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 42) {
s1 = peg$c11;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e16); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f26();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$parsemetatoken();
}
}
}
}
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsedtl_internal_variable() {
var s0, s1, s2, s3;
var key = peg$currPos * 58 + 11;
var cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 64) {
s1 = peg$c12;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e17); }
}
if (s1 !== peg$FAILED) {
s2 = [];
s3 = peg$parsevariable_keys();
if (s3 !== peg$FAILED) {
while (s3 !== peg$FAILED) {
s2.push(s3);
s3 = peg$parsevariable_keys();
}
} else {
s2 = peg$FAILED;
}
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f27(s2);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsemetatoken() {
var s0, s1, s2;
var key = peg$currPos * 58 + 12;
var cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = [];
s2 = peg$parsevarchars();
if (s2 !== peg$FAILED) {
while (s2 !== peg$FAILED) {
s1.push(s2);
s2 = peg$parsevarchars();
}
} else {