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grammar.js
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module.exports = (function() {
/*
* Generated by PEG.js 0.7.0.
*
* http://pegjs.majda.cz/
*/
function peg$subclass(child, parent) {
function ctor() { this.constructor = child; }
ctor.prototype = parent.prototype;
child.prototype = new ctor();
}
function SyntaxError(expected, found, offset, line, column) {
function buildMessage(expected, found) {
function stringEscape(s) {
function hex(ch) { return ch.charCodeAt(0).toString(16).toUpperCase(); }
return s
.replace(/\\/g, '\\\\')
.replace(/"/g, '\\"')
.replace(/\x08/g, '\\b')
.replace(/\t/g, '\\t')
.replace(/\n/g, '\\n')
.replace(/\f/g, '\\f')
.replace(/\r/g, '\\r')
.replace(/[\x00-\x07\x0B\x0E\x0F]/g, function(ch) { return '\\x0' + hex(ch); })
.replace(/[\x10-\x1F\x80-\xFF]/g, function(ch) { return '\\x' + hex(ch); })
.replace(/[\u0180-\u0FFF]/g, function(ch) { return '\\u0' + hex(ch); })
.replace(/[\u1080-\uFFFF]/g, function(ch) { return '\\u' + hex(ch); });
}
var expectedDesc, foundDesc;
switch (expected.length) {
case 0:
expectedDesc = "end of input";
break;
case 1:
expectedDesc = expected[0];
break;
default:
expectedDesc = expected.slice(0, -1).join(", ")
+ " or "
+ expected[expected.length - 1];
}
foundDesc = found ? "\"" + stringEscape(found) + "\"" : "end of input";
return "Expected " + expectedDesc + " but " + foundDesc + " found.";
}
this.expected = expected;
this.found = found;
this.offset = offset;
this.line = line;
this.column = column;
this.name = "SyntaxError";
this.message = buildMessage(expected, found);
}
peg$subclass(SyntaxError, Error);
function parse(input) {
var options = arguments.length > 1 ? arguments[1] : {},
peg$startRuleFunctions = { expression: peg$parseexpression, sheet: peg$parsesheet },
peg$startRuleFunction = peg$parseexpression,
peg$c0 = "expression",
peg$c1 = null,
peg$c2 = [],
peg$c3 = ",",
peg$c4 = "\",\"",
peg$c5 = function(head, tail) {
var result = [head];
for (var i = 0; i < tail.length; i++) {
result.push(tail[i][2]);
}
return result;
},
peg$c6 = "(",
peg$c7 = "\"(\"",
peg$c8 = ")",
peg$c9 = "\")\"",
peg$c10 = function() {
return [];
},
peg$c11 = function(expressions) {
return expressions;
},
peg$c12 = "",
peg$c13 = "?",
peg$c14 = "\"?\"",
peg$c15 = ":",
peg$c16 = "\":\"",
peg$c17 = function(condition, tail) {
if (tail) {
var consequent = tail[2];
var alternate = tail[6];
return {
type: "if",
args: [condition, consequent, alternate]
};
} else {
return condition;
}
},
peg$c18 = "||",
peg$c19 = "\"||\"",
peg$c20 = function(head, tail) {
for (var i = 0; i < tail.length; i++) {
head = {
type: BINARY[tail[i][1]],
args: [
head,
tail[i][3]
]
}
}
return head;
},
peg$c21 = "&&",
peg$c22 = "\"&&\"",
peg$c23 = "<=>",
peg$c24 = "\"<=>\"",
peg$c25 = "<=",
peg$c26 = "\"<=\"",
peg$c27 = ">=",
peg$c28 = "\">=\"",
peg$c29 = "<",
peg$c30 = "\"<\"",
peg$c31 = "-",
peg$c32 = "\"-\"",
peg$c33 = ">",
peg$c34 = "\">\"",
peg$c35 = "==",
peg$c36 = "\"==\"",
peg$c37 = "!=",
peg$c38 = "\"!=\"",
peg$c39 = function(left, tail) {
if (!tail) {
return left;
} else {
var operator = tail[1];
var right = tail[3];
if (operator === "!=") {
return {type: "not", args: [{type: "equals", args: [left, right]}]};
} else {
return {type: BINARY[operator], args: [left, right]};
}
}
},
peg$c40 = "+",
peg$c41 = "\"+\"",
peg$c42 = "*",
peg$c43 = "\"*\"",
peg$c44 = "/",
peg$c45 = "\"/\"",
peg$c46 = "%",
peg$c47 = "\"%\"",
peg$c48 = "rem",
peg$c49 = "\"rem\"",
peg$c50 = "**",
peg$c51 = "\"**\"",
peg$c52 = "//",
peg$c53 = "\"//\"",
peg$c54 = "%%",
peg$c55 = "\"%%\"",
peg$c56 = "??",
peg$c57 = "\"??\"",
peg$c58 = "!",
peg$c59 = "\"!\"",
peg$c60 = function(operator, arg) {
return {type: UNARY[operator], args: [arg]};
},
peg$c61 = function(head, tail) {
for (var i = 0; i < tail.length; i++) {
head = tail[i](head);
}
return head;
},
peg$c62 = ".",
peg$c63 = "\".\"",
peg$c64 = function(tail) {
return tail;
},
peg$c65 = "[",
peg$c66 = "\"[\"",
peg$c67 = "]",
peg$c68 = "\"]\"",
peg$c69 = function(arg) {
return function (previous) {
return {
type: "property",
args: [
previous,
arg
]
};
};
},
peg$c70 = "{",
peg$c71 = "\"{\"",
peg$c72 = "}",
peg$c73 = "\"}\"",
peg$c74 = function(name, expression) {
if (BLOCKS[name]) {
return function (previous) {
return {
type: BLOCKS[name],
args: [previous, expression]
};
}
} else if (expression.type === "value") {
return function (previous) {
return {
type: name,
args: [previous]
};
};
} else {
return function (previous) {
return {
type: name,
args: [
{type: "mapBlock", args: [
previous,
expression
]}
]
};
};
}
},
peg$c75 = function(name, args) {
return function (previous) {
return {
type: name,
args: [previous].concat(args)
};
};
},
peg$c76 = function(index) {
return function (previous) {
return {
type: "property",
args: [
previous,
{type: "literal", value: +index.join("")}
]
};
};
},
peg$c77 = function(name) {
return function (previous) {
return {
type: "property",
args: [
previous,
{type: "literal", value: name}
]
};
};
},
peg$c78 = function(expression) {
return function (previous) {
return {
type: "with",
args: [
previous,
expression
]
};
};
},
peg$c79 = "this",
peg$c80 = "\"this\"",
peg$c81 = function() { return {type: "value"}; },
peg$c82 = "true",
peg$c83 = "\"true\"",
peg$c84 = function() { return {type: "literal", value: true}; },
peg$c85 = "false",
peg$c86 = "\"false\"",
peg$c87 = function() { return {type: "literal", value: false}; },
peg$c88 = "null",
peg$c89 = "\"null\"",
peg$c90 = function() { return {type: "literal", value: null}; },
peg$c91 = "@",
peg$c92 = "\"@\"",
peg$c93 = function(name) {
return {type: "component", label: name};
},
peg$c94 = "$",
peg$c95 = "\"$\"",
peg$c96 = function(name) {
return {type: "property", args: [
{type: "parameters"},
{type: "literal", value: name}
]};
},
peg$c97 = function() {
return {type: "parameters"};
},
peg$c98 = "#",
peg$c99 = "\"#\"",
peg$c100 = function(name) {
return {type: "element", id: name};
},
peg$c101 = "&",
peg$c102 = "\"&\"",
peg$c103 = function(name, args) {
return {type: name, args: args, inline: true};
},
peg$c104 = "^",
peg$c105 = "\"^\"",
peg$c106 = function(value) {
return {type: "parent", args: [value]};
},
peg$c107 = function(expression) {
return expression;
},
peg$c108 = function(tail) {
return tail({type: "value"});
},
peg$c109 = function() {
return {type: "value"};
},
peg$c110 = "word",
peg$c111 = /^[a-zA-Z_0-9\-]/,
peg$c112 = "[a-zA-Z_0-9\\-]",
peg$c113 = function(chars) {
return chars.join("");
},
peg$c114 = "string",
peg$c115 = "'",
peg$c116 = "\"'\"",
peg$c117 = function(chars) { return {type: "literal", value: chars.join("")}; },
peg$c118 = "\"",
peg$c119 = "\"\\\"\"",
peg$c120 = /^[^'\\\0-\x1F]/,
peg$c121 = "[^'\\\\\\0-\\x1F]",
peg$c122 = "\\'",
peg$c123 = "\"\\\\'\"",
peg$c124 = function() { return "'"; },
peg$c125 = /^[^"\\\0-\x1F]/,
peg$c126 = "[^\"\\\\\\0-\\x1F]",
peg$c127 = "\\\"",
peg$c128 = "\"\\\\\\\"\"",
peg$c129 = function() { return "\""; },
peg$c130 = "\\\\",
peg$c131 = "\"\\\\\\\\\"",
peg$c132 = function() { return "\\"; },
peg$c133 = "\\/",
peg$c134 = "\"\\\\/\"",
peg$c135 = function() { return "/"; },
peg$c136 = "\\b",
peg$c137 = "\"\\\\b\"",
peg$c138 = function() { return "\b"; },
peg$c139 = "\\f",
peg$c140 = "\"\\\\f\"",
peg$c141 = function() { return "\f"; },
peg$c142 = "\\n",
peg$c143 = "\"\\\\n\"",
peg$c144 = function() { return "\n"; },
peg$c145 = "\\r",
peg$c146 = "\"\\\\r\"",
peg$c147 = function() { return "\r"; },
peg$c148 = "\\t",
peg$c149 = "\"\\\\t\"",
peg$c150 = function() { return "\t"; },
peg$c151 = "\\0",
peg$c152 = "\"\\\\0\"",
peg$c153 = function() { return "\0"; },
peg$c154 = "\\u",
peg$c155 = "\"\\\\u\"",
peg$c156 = function(digits) {
return String.fromCharCode(parseInt(digits, 16));
},
peg$c157 = /^[0-9a-fA-F]/,
peg$c158 = "[0-9a-fA-F]",
peg$c159 = function() {
return {type: "tuple", args: []};
},
peg$c160 = function(expressions) {
return {type: "tuple", args: expressions};
},
peg$c161 = function() { return {type: "record", args: []}; },
peg$c162 = function(pairs) { return {type: "record", args: pairs}; },
peg$c163 = function(head, tail) {
var result = {};
result[head[0]] = head[1];
for (var i = 0; i < tail.length; i++) {
result[tail[i][2][0]] = tail[i][2][1];
}
return result;
},
peg$c164 = function(name, value) { return [name, value]; },
peg$c165 = "number",
peg$c166 = function(parts) {
return {type: "literal", value: +parts}
},
peg$c167 = /^[eE]/,
peg$c168 = "[eE]",
peg$c169 = /^[+\-]/,
peg$c170 = "[+\\-]",
peg$c171 = /^[0-9]/,
peg$c172 = "[0-9]",
peg$c173 = /^[1-9]/,
peg$c174 = "[1-9]",
peg$c175 = "whitespace",
peg$c176 = /^[\t\x0B\f \xA0\uFEFF]/,
peg$c177 = "[\\t\\x0B\\f \\xA0\\uFEFF]",
peg$c178 = /^[ \xA0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000]/,
peg$c179 = "[ \\xA0\\u1680\\u180E\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200A\\u202F\\u205F\\u3000]",
peg$c180 = "line terminator",
peg$c181 = /^[\n\r\u2028\u2029]/,
peg$c182 = "[\\n\\r\\u2028\\u2029]",
peg$c183 = "/*",
peg$c184 = "\"/*\"",
peg$c185 = "*/",
peg$c186 = "\"*/\"",
peg$c187 = "any character",
peg$c188 = function(comment) {
return comment;
},
peg$c189 = function(blocks) {
return {type: "sheet", blocks: blocks};
},
peg$c190 = function(name, annotation, statements) {
return {
type: "block",
connection: annotation.connection,
module: annotation.module,
exports: annotation.exports,
label: name,
statements: statements
};
},
peg$c191 = function(connection, module, exports) {
return {
connection: {"<": "prototype", ":": "object"}[connection],
module: module && module.value,
exports: exports !== "" ? exports[1] : undefined
}
},
peg$c192 = function() {
return {};
},
peg$c193 = ";",
peg$c194 = "\";\"",
peg$c195 = function(statement) {
return [statement];
},
peg$c196 = "on",
peg$c197 = "\"on\"",
peg$c198 = "before",
peg$c199 = "\"before\"",
peg$c200 = " ",
peg$c201 = "\" \"",
peg$c202 = "->",
peg$c203 = "\"->\"",
peg$c204 = function(when, type, listener) {
return {type: "event", when: when, event: type, listener: listener};
},
peg$c205 = "<->",
peg$c206 = "\"<->\"",
peg$c207 = "<-",
peg$c208 = "\"<-\"",
peg$c209 = function(target, arrow, source, descriptor) {
var result = {type: STATEMENTS[arrow], args: [
target,
source
]};
if (descriptor.length) {
var describe = {};
for (var i = 0; i < descriptor.length; i++) {
describe[descriptor[i][2]] = descriptor[i][6];
}
result.descriptor = describe;
}
return result;
},
peg$c210 = function(name, expression) {
return {type: "unit", name: name, value: expression};
},
peg$currPos = 0,
peg$reportedPos = 0,
peg$cachedPos = 0,
peg$cachedPosDetails = { line: 1, column: 1, seenCR: false },
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$startRuleFunctions[options.startRule];
}
function text() {
return input.substring(peg$reportedPos, peg$currPos);
}
function offset() {
return peg$reportedPos;
}
function line() {
return peg$computePosDetails(peg$reportedPos).line;
}
function column() {
return peg$computePosDetails(peg$reportedPos).column;
}
function peg$computePosDetails(pos) {
function advance(details, startPos, endPos) {
var p, ch;
for (p = startPos; p < endPos; p++) {
ch = input.charAt(p);
if (ch === "\n") {
if (!details.seenCR) { details.line++; }
details.column = 1;
details.seenCR = false;
} else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
details.line++;
details.column = 1;
details.seenCR = true;
} else {
details.column++;
details.seenCR = false;
}
}
}
if (peg$cachedPos !== pos) {
if (peg$cachedPos > pos) {
peg$cachedPos = 0;
peg$cachedPosDetails = { line: 1, column: 1, seenCR: false };
}
advance(peg$cachedPosDetails, peg$cachedPos, pos);
peg$cachedPos = pos;
}
return peg$cachedPosDetails;
}
function peg$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$cleanupExpected(expected) {
var i = 0;
expected.sort();
while (i < expected.length) {
if (expected[i - 1] === expected[i]) {
expected.splice(i, 1);
} else {
i++;
}
}
}
function peg$parseexpression() {
var s0, s1;
peg$silentFails++;
s0 = peg$parseif();
peg$silentFails--;
if (s0 === null) {
s1 = null;
if (peg$silentFails === 0) { peg$fail(peg$c0); }
}
return s0;
}
function peg$parseexpressions() {
var s0, s1, s2, s3, s4, s5, s6;
s0 = peg$currPos;
s1 = peg$parseexpression();
if (s1 !== null) {
s2 = [];
s3 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 44) {
s4 = peg$c3;
peg$currPos++;
} else {
s4 = null;
if (peg$silentFails === 0) { peg$fail(peg$c4); }
}
if (s4 !== null) {
s5 = peg$parse_();
if (s5 !== null) {
s6 = peg$parseexpression();
if (s6 !== null) {
s4 = [s4, s5, s6];
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
while (s3 !== null) {
s2.push(s3);
s3 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 44) {
s4 = peg$c3;
peg$currPos++;
} else {
s4 = null;
if (peg$silentFails === 0) { peg$fail(peg$c4); }
}
if (s4 !== null) {
s5 = peg$parse_();
if (s5 !== null) {
s6 = peg$parseexpression();
if (s6 !== null) {
s4 = [s4, s5, s6];
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
}
if (s2 !== null) {
peg$reportedPos = s0;
s1 = peg$c5(s1,s2);
if (s1 === null) {
peg$currPos = s0;
s0 = s1;
} else {
s0 = s1;
}
} else {
peg$currPos = s0;
s0 = peg$c1;
}
} else {
peg$currPos = s0;
s0 = peg$c1;
}
return s0;
}
function peg$parseargs() {
var s0, s1, s2, s3;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 40) {
s1 = peg$c6;
peg$currPos++;
} else {
s1 = null;
if (peg$silentFails === 0) { peg$fail(peg$c7); }
}
if (s1 !== null) {
s2 = peg$parse_();
if (s2 !== null) {
if (input.charCodeAt(peg$currPos) === 41) {
s3 = peg$c8;
peg$currPos++;
} else {
s3 = null;
if (peg$silentFails === 0) { peg$fail(peg$c9); }
}
if (s3 !== null) {
peg$reportedPos = s0;
s1 = peg$c10();
if (s1 === null) {
peg$currPos = s0;
s0 = s1;
} else {
s0 = s1;
}
} else {
peg$currPos = s0;
s0 = peg$c1;
}
} else {
peg$currPos = s0;
s0 = peg$c1;
}
} else {
peg$currPos = s0;
s0 = peg$c1;
}
if (s0 === null) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 40) {
s1 = peg$c6;
peg$currPos++;
} else {
s1 = null;
if (peg$silentFails === 0) { peg$fail(peg$c7); }
}
if (s1 !== null) {
s2 = peg$parseexpressions();
if (s2 !== null) {
if (input.charCodeAt(peg$currPos) === 41) {
s3 = peg$c8;
peg$currPos++;
} else {
s3 = null;
if (peg$silentFails === 0) { peg$fail(peg$c9); }
}
if (s3 !== null) {
peg$reportedPos = s0;
s1 = peg$c11(s2);
if (s1 === null) {
peg$currPos = s0;
s0 = s1;
} else {
s0 = s1;
}
} else {
peg$currPos = s0;
s0 = peg$c1;
}
} else {
peg$currPos = s0;
s0 = peg$c1;
}
} else {
peg$currPos = s0;
s0 = peg$c1;
}
}
return s0;
}
function peg$parseif() {
var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
s0 = peg$currPos;
s1 = peg$parseor();
if (s1 !== null) {
s2 = peg$parse_();
if (s2 !== null) {
s3 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 63) {
s4 = peg$c13;
peg$currPos++;
} else {
s4 = null;
if (peg$silentFails === 0) { peg$fail(peg$c14); }
}
if (s4 !== null) {
s5 = peg$parse_();
if (s5 !== null) {
s6 = peg$parseexpression();
if (s6 !== null) {
s7 = peg$parse_();
if (s7 !== null) {
if (input.charCodeAt(peg$currPos) === 58) {
s8 = peg$c15;
peg$currPos++;
} else {
s8 = null;
if (peg$silentFails === 0) { peg$fail(peg$c16); }
}
if (s8 !== null) {
s9 = peg$parse_();
if (s9 !== null) {
s10 = peg$parseexpression();
if (s10 !== null) {
s4 = [s4, s5, s6, s7, s8, s9, s10];
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
if (s3 === null) {
s3 = peg$c12;
}
if (s3 !== null) {
peg$reportedPos = s0;
s1 = peg$c17(s1,s3);
if (s1 === null) {
peg$currPos = s0;
s0 = s1;
} else {
s0 = s1;
}
} else {
peg$currPos = s0;
s0 = peg$c1;
}
} else {
peg$currPos = s0;
s0 = peg$c1;
}
} else {
peg$currPos = s0;
s0 = peg$c1;
}
return s0;
}
function peg$parseor() {
var s0, s1, s2, s3, s4, s5, s6, s7;
s0 = peg$currPos;
s1 = peg$parseand();
if (s1 !== null) {
s2 = [];
s3 = peg$currPos;
s4 = peg$parse_();
if (s4 !== null) {
if (input.substr(peg$currPos, 2) === peg$c18) {
s5 = peg$c18;
peg$currPos += 2;
} else {
s5 = null;
if (peg$silentFails === 0) { peg$fail(peg$c19); }
}
if (s5 !== null) {
s6 = peg$parse_();
if (s6 !== null) {
s7 = peg$parseand();
if (s7 !== null) {
s4 = [s4, s5, s6, s7];
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
while (s3 !== null) {
s2.push(s3);
s3 = peg$currPos;
s4 = peg$parse_();
if (s4 !== null) {
if (input.substr(peg$currPos, 2) === peg$c18) {
s5 = peg$c18;
peg$currPos += 2;
} else {
s5 = null;
if (peg$silentFails === 0) { peg$fail(peg$c19); }
}
if (s5 !== null) {
s6 = peg$parse_();
if (s6 !== null) {
s7 = peg$parseand();
if (s7 !== null) {
s4 = [s4, s5, s6, s7];
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
}
if (s2 !== null) {
peg$reportedPos = s0;
s1 = peg$c20(s1,s2);
if (s1 === null) {
peg$currPos = s0;
s0 = s1;
} else {
s0 = s1;
}
} else {
peg$currPos = s0;
s0 = peg$c1;
}
} else {
peg$currPos = s0;
s0 = peg$c1;
}
return s0;
}
function peg$parseand() {
var s0, s1, s2, s3, s4, s5, s6, s7;
s0 = peg$currPos;
s1 = peg$parsecomparison();
if (s1 !== null) {
s2 = [];
s3 = peg$currPos;
s4 = peg$parse_();
if (s4 !== null) {
if (input.substr(peg$currPos, 2) === peg$c21) {
s5 = peg$c21;
peg$currPos += 2;
} else {
s5 = null;
if (peg$silentFails === 0) { peg$fail(peg$c22); }
}
if (s5 !== null) {
s6 = peg$parse_();
if (s6 !== null) {
s7 = peg$parsecomparison();
if (s7 !== null) {
s4 = [s4, s5, s6, s7];
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
} else {
peg$currPos = s3;
s3 = peg$c1;
}
while (s3 !== null) {
s2.push(s3);