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parser.js
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var shapegrammar = shapegrammar || {};
shapegrammar.parser = (function() {
"use strict";
/*
* Generated by PEG.js 0.9.0.
*
* http://pegjs.org/
*/
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$SyntaxError, Error);
function peg$parse(input) {
var options = arguments.length > 1 ? arguments[1] : {},
parser = this,
peg$FAILED = {},
peg$startRuleFunctions = { ParseTree: peg$parseParseTree },
peg$startRuleFunction = peg$parseParseTree,
peg$c0 = { type: "other", description: "parseTree" },
peg$c1 = { type: "other", description: "production" },
peg$c2 = "-->",
peg$c3 = { type: "literal", value: "-->", description: "\"-->\"" },
peg$c4 = function(predecessor, successor) {
return { predecessor: predecessor, successor: successor };
},
peg$c5 = { type: "other", description: "NIL" },
peg$c6 = "NIL",
peg$c7 = { type: "literal", value: "NIL", description: "\"NIL\"" },
peg$c8 = function() {
return null;
},
peg$c9 = { type: "other", description: "successor" },
peg$c10 = { type: "other", description: "identifier" },
peg$c11 = /^[a-zA-Z]/,
peg$c12 = { type: "class", value: "[a-zA-Z]", description: "[a-zA-Z]" },
peg$c13 = function(value) { return value.join(""); },
peg$c14 = { type: "other", description: "translate" },
peg$c15 = "t",
peg$c16 = { type: "literal", value: "t", description: "\"t\"" },
peg$c17 = "(",
peg$c18 = { type: "literal", value: "(", description: "\"(\"" },
peg$c19 = ",",
peg$c20 = { type: "literal", value: ",", description: "\",\"" },
peg$c21 = ")",
peg$c22 = { type: "literal", value: ")", description: "\")\"" },
peg$c23 = function(x, y, z, successor) {
return { operator: "t", parameters: [x, y, z], operations: [successor] };
},
peg$c24 = { type: "other", description: "rotate" },
peg$c25 = "r",
peg$c26 = { type: "literal", value: "r", description: "\"r\"" },
peg$c27 = function(x, y, z, successor) {
return { operator: "r", parameters: [x, y, z], operations: [successor] };
},
peg$c28 = { type: "other", description: "scale" },
peg$c29 = "s",
peg$c30 = { type: "literal", value: "s", description: "\"s\"" },
peg$c31 = function(x, y, z, successor) {
return { operator: "s", parameters: [x, y, z], operations: [successor] };
},
peg$c32 = { type: "other", description: "extrude" },
peg$c33 = "extrude",
peg$c34 = { type: "literal", value: "extrude", description: "\"extrude\"" },
peg$c35 = function(axis, height, successor) {
var axis = (axis != null) ? axis[0] : null;
return { operator: "extrude", parameters: [axis, height], operations: [successor] };
},
peg$c36 = { type: "other", description: "component_selector" },
peg$c37 = "f",
peg$c38 = { type: "literal", value: "f", description: "\"f\"" },
peg$c39 = "e",
peg$c40 = { type: "literal", value: "e", description: "\"e\"" },
peg$c41 = "v",
peg$c42 = { type: "literal", value: "v", description: "\"v\"" },
peg$c43 = { type: "other", description: "semantic_selector" },
peg$c44 = "front",
peg$c45 = { type: "literal", value: "front", description: "\"front\"" },
peg$c46 = "back",
peg$c47 = { type: "literal", value: "back", description: "\"back\"" },
peg$c48 = "left",
peg$c49 = { type: "literal", value: "left", description: "\"left\"" },
peg$c50 = "right",
peg$c51 = { type: "literal", value: "right", description: "\"right\"" },
peg$c52 = "top",
peg$c53 = { type: "literal", value: "top", description: "\"top\"" },
peg$c54 = "bottom",
peg$c55 = { type: "literal", value: "bottom", description: "\"bottom\"" },
peg$c56 = "side",
peg$c57 = { type: "literal", value: "side", description: "\"side\"" },
peg$c58 = "all",
peg$c59 = { type: "literal", value: "all", description: "\"all\"" },
peg$c60 = { type: "other", description: "component_split_parameter" },
peg$c61 = ":",
peg$c62 = { type: "literal", value: ":", description: "\":\"" },
peg$c63 = "=",
peg$c64 = { type: "literal", value: "=", description: "\"=\"" },
peg$c65 = function(semanticSelector, operator, successor) {
return { semanticSelector: semanticSelector, operator: operator, successor: successor };
},
peg$c66 = { type: "other", description: "component_split" },
peg$c67 = "comp",
peg$c68 = { type: "literal", value: "comp", description: "\"comp\"" },
peg$c69 = "{",
peg$c70 = { type: "literal", value: "{", description: "\"{\"" },
peg$c71 = "}",
peg$c72 = { type: "literal", value: "}", description: "\"}\"" },
peg$c73 = function(componentSelector, args) {
var operations = [args[1]];
for (var i = 0; i < args[2].length; i++)
operations.push(args[2][i][3]);
return { operator: "comp", parameters: [componentSelector], operations: operations }
},
peg$c74 = { type: "other", description: "adjust_selector" },
peg$c75 = "adjust",
peg$c76 = { type: "literal", value: "adjust", description: "\"adjust\"" },
peg$c77 = "noAdjust",
peg$c78 = { type: "literal", value: "noAdjust", description: "\"noAdjust\"" },
peg$c79 = { type: "other", description: "size_prefix" },
peg$c80 = "'",
peg$c81 = { type: "literal", value: "'", description: "\"'\"" },
peg$c82 = "~",
peg$c83 = { type: "literal", value: "~", description: "\"~\"" },
peg$c84 = { type: "other", description: "xyz_split_parameter" },
peg$c85 = function(prefix, size, successor) {
var prefix = (prefix != null) ? prefix[0] : null;
return { prefix: prefix, size: size, successor: successor };
},
peg$c86 = { type: "other", description: "xyz_split" },
peg$c87 = "split",
peg$c88 = { type: "literal", value: "split", description: "\"split\"" },
peg$c89 = "*",
peg$c90 = { type: "literal", value: "*", description: "\"*\"" },
peg$c91 = function(splitAxis, adjustSelector, args, repeatSwitch) {
var operations = [args[1]];
for (var i = 0; i < args[2].length; i++)
operations.push(args[2][i][3]);
var adjustSelector = (adjustSelector != null) ? adjustSelector[3] : null;
var repeat = (repeatSwitch != null) ? repeatSwitch[1] == "*" : false;
return { operator: "xyz_split", parameters: [splitAxis, adjustSelector, repeat], operations: operations };
},
peg$c92 = { type: "other", description: "shape_operation" },
peg$c93 = { type: "other", description: "expression" },
peg$c94 = "+",
peg$c95 = { type: "literal", value: "+", description: "\"+\"" },
peg$c96 = "-",
peg$c97 = { type: "literal", value: "-", description: "\"-\"" },
peg$c98 = "/",
peg$c99 = { type: "literal", value: "/", description: "\"/\"" },
peg$c100 = "%",
peg$c101 = { type: "literal", value: "%", description: "\"%\"" },
peg$c102 = "^",
peg$c103 = { type: "literal", value: "^", description: "\"^\"" },
peg$c104 = function(head, tail) {
var result = head;
for (var i = 0; i < tail.length; i++) {
if (tail[i][1] === "+") { result += tail[i][3]; }
if (tail[i][1] === "-") { result -= tail[i][3]; }
if (tail[i][1] === "*") { result *= tail[i][3]; }
if (tail[i][1] === "/") { result /= tail[i][3]; }
if (tail[i][1] === "%") { result = result % tail[i][3]; }
if (tail[i][1] === "^") { result = Math.pow(result, tail[i][3]); }
else { throw new Exception("unknown expression"); }
}
return result;
},
peg$c105 = { type: "other", description: "axis" },
peg$c106 = "X",
peg$c107 = { type: "literal", value: "X", description: "\"X\"" },
peg$c108 = "Y",
peg$c109 = { type: "literal", value: "Y", description: "\"Y\"" },
peg$c110 = "Z",
peg$c111 = { type: "literal", value: "Z", description: "\"Z\"" },
peg$c112 = { type: "other", description: "factor" },
peg$c113 = function(expression) { return expression; },
peg$c114 = { type: "other", description: "float" },
peg$c115 = /^[\-]/,
peg$c116 = { type: "class", value: "[-]", description: "[-]" },
peg$c117 = /^[0-9]/,
peg$c118 = { type: "class", value: "[0-9]", description: "[0-9]" },
peg$c119 = ".",
peg$c120 = { type: "literal", value: ".", description: "\".\"" },
peg$c121 = function() { return parseFloat(text()); },
peg$c122 = { type: "other", description: "whitespace" },
peg$c123 = /^[ \t\n\r]/,
peg$c124 = { type: "class", value: "[ \\t\\n\\r]", description: "[ \\t\\n\\r]" },
peg$currPos = 0,
peg$savedPos = 0,
peg$posDetailsCache = [{ line: 1, column: 1, seenCR: false }],
peg$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$savedPos, peg$currPos);
}
function location() {
return peg$computeLocation(peg$savedPos, peg$currPos);
}
function expected(description) {
throw peg$buildException(
null,
[{ type: "other", description: description }],
input.substring(peg$savedPos, peg$currPos),
peg$computeLocation(peg$savedPos, peg$currPos)
);
}
function error(message) {
throw peg$buildException(
message,
null,
input.substring(peg$savedPos, peg$currPos),
peg$computeLocation(peg$savedPos, peg$currPos)
);
}
function peg$computePosDetails(pos) {
var details = peg$posDetailsCache[pos],
p, ch;
if (details) {
return details;
} else {
p = pos - 1;
while (!peg$posDetailsCache[p]) {
p--;
}
details = peg$posDetailsCache[p];
details = {
line: details.line,
column: details.column,
seenCR: details.seenCR
};
while (p < pos) {
ch = input.charAt(p);
if (ch === "\n") {
if (!details.seenCR) { details.line++; }
details.column = 1;
details.seenCR = false;
} else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
details.line++;
details.column = 1;
details.seenCR = true;
} else {
details.column++;
details.seenCR = false;
}
p++;
}
peg$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$buildException(message, expected, found, location) {
function cleanupExpected(expected) {
var i = 1;
expected.sort(function(a, b) {
if (a.description < b.description) {
return -1;
} else if (a.description > b.description) {
return 1;
} else {
return 0;
}
});
while (i < expected.length) {
if (expected[i - 1] === expected[i]) {
expected.splice(i, 1);
} else {
i++;
}
}
}
function buildMessage(expected, found) {
function stringEscape(s) {
function hex(ch) { return ch.charCodeAt(0).toString(16).toUpperCase(); }
return s
.replace(/\\/g, '\\\\')
.replace(/"/g, '\\"')
.replace(/\x08/g, '\\b')
.replace(/\t/g, '\\t')
.replace(/\n/g, '\\n')
.replace(/\f/g, '\\f')
.replace(/\r/g, '\\r')
.replace(/[\x00-\x07\x0B\x0E\x0F]/g, function(ch) { return '\\x0' + hex(ch); })
.replace(/[\x10-\x1F\x80-\xFF]/g, function(ch) { return '\\x' + hex(ch); })
.replace(/[\u0100-\u0FFF]/g, function(ch) { return '\\u0' + hex(ch); })
.replace(/[\u1000-\uFFFF]/g, function(ch) { return '\\u' + hex(ch); });
}
var expectedDescs = new Array(expected.length),
expectedDesc, foundDesc, i;
for (i = 0; i < expected.length; i++) {
expectedDescs[i] = expected[i].description;
}
expectedDesc = expected.length > 1
? expectedDescs.slice(0, -1).join(", ")
+ " or "
+ expectedDescs[expected.length - 1]
: expectedDescs[0];
foundDesc = found ? "\"" + stringEscape(found) + "\"" : "end of input";
return "Expected " + expectedDesc + " but " + foundDesc + " found.";
}
if (expected !== null) {
cleanupExpected(expected);
}
return new peg$SyntaxError(
message !== null ? message : buildMessage(expected, found),
expected,
found,
location
);
}
function peg$parseParseTree() {
var s0, s1;
peg$silentFails++;
s0 = [];
s1 = peg$parseProduction();
while (s1 !== peg$FAILED) {
s0.push(s1);
s1 = peg$parseProduction();
}
peg$silentFails--;
if (s0 === peg$FAILED) {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c0); }
}
return s0;
}
function peg$parseProduction() {
var s0, s1, s2, s3, s4, s5, s6, s7;
peg$silentFails++;
s0 = peg$currPos;
s1 = peg$parse_();
if (s1 !== peg$FAILED) {
s2 = peg$parseIdentifier();
if (s2 !== peg$FAILED) {
s3 = peg$parse_();
if (s3 !== peg$FAILED) {
if (input.substr(peg$currPos, 3) === peg$c2) {
s4 = peg$c2;
peg$currPos += 3;
} else {
s4 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c3); }
}
if (s4 !== peg$FAILED) {
s5 = peg$parse_();
if (s5 !== peg$FAILED) {
s6 = peg$parseSuccessor();
if (s6 !== peg$FAILED) {
s7 = peg$parse_();
if (s7 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c4(s2, s6);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$silentFails--;
if (s0 === peg$FAILED) {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c1); }
}
return s0;
}
function peg$parseNIL() {
var s0, s1;
peg$silentFails++;
s0 = peg$currPos;
if (input.substr(peg$currPos, 3) === peg$c6) {
s1 = peg$c6;
peg$currPos += 3;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c7); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c8();
}
s0 = s1;
peg$silentFails--;
if (s0 === peg$FAILED) {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c5); }
}
return s0;
}
function peg$parseSuccessor() {
var s0, s1;
peg$silentFails++;
s0 = peg$parseShapeOperation();
if (s0 === peg$FAILED) {
s0 = peg$parseIdentifier();
if (s0 === peg$FAILED) {
s0 = peg$parseNIL();
}
}
peg$silentFails--;
if (s0 === peg$FAILED) {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c9); }
}
return s0;
}
function peg$parseIdentifier() {
var s0, s1, s2;
peg$silentFails++;
s0 = peg$currPos;
s1 = [];
if (peg$c11.test(input.charAt(peg$currPos))) {
s2 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c12); }
}
if (s2 !== peg$FAILED) {
while (s2 !== peg$FAILED) {
s1.push(s2);
if (peg$c11.test(input.charAt(peg$currPos))) {
s2 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c12); }
}
}
} else {
s1 = peg$FAILED;
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c13(s1);
}
s0 = s1;
peg$silentFails--;
if (s0 === peg$FAILED) {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c10); }
}
return s0;
}
function peg$parseTranslate() {
var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, s16, s17;
peg$silentFails++;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 116) {
s1 = peg$c15;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c16); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 40) {
s3 = peg$c17;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c18); }
}
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
s5 = peg$parseExpression();
if (s5 !== peg$FAILED) {
s6 = peg$parse_();
if (s6 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 44) {
s7 = peg$c19;
peg$currPos++;
} else {
s7 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c20); }
}
if (s7 !== peg$FAILED) {
s8 = peg$parse_();
if (s8 !== peg$FAILED) {
s9 = peg$parseExpression();
if (s9 !== peg$FAILED) {
s10 = peg$parse_();
if (s10 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 44) {
s11 = peg$c19;
peg$currPos++;
} else {
s11 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c20); }
}
if (s11 !== peg$FAILED) {
s12 = peg$parse_();
if (s12 !== peg$FAILED) {
s13 = peg$parseExpression();
if (s13 !== peg$FAILED) {
s14 = peg$parse_();
if (s14 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s15 = peg$c21;
peg$currPos++;
} else {
s15 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c22); }
}
if (s15 !== peg$FAILED) {
s16 = peg$parse_();
if (s16 !== peg$FAILED) {
s17 = peg$parseSuccessor();
if (s17 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c23(s5, s9, s13, s17);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$silentFails--;
if (s0 === peg$FAILED) {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c14); }
}
return s0;
}
function peg$parseRotate() {
var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, s16, s17;
peg$silentFails++;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 114) {
s1 = peg$c25;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c26); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 40) {
s3 = peg$c17;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c18); }
}
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
s5 = peg$parseExpression();
if (s5 !== peg$FAILED) {
s6 = peg$parse_();
if (s6 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 44) {
s7 = peg$c19;
peg$currPos++;
} else {
s7 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c20); }
}
if (s7 !== peg$FAILED) {
s8 = peg$parse_();
if (s8 !== peg$FAILED) {
s9 = peg$parseExpression();
if (s9 !== peg$FAILED) {
s10 = peg$parse_();
if (s10 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 44) {
s11 = peg$c19;
peg$currPos++;
} else {
s11 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c20); }
}
if (s11 !== peg$FAILED) {
s12 = peg$parse_();
if (s12 !== peg$FAILED) {
s13 = peg$parseExpression();
if (s13 !== peg$FAILED) {
s14 = peg$parse_();
if (s14 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s15 = peg$c21;
peg$currPos++;
} else {
s15 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c22); }
}
if (s15 !== peg$FAILED) {
s16 = peg$parse_();
if (s16 !== peg$FAILED) {
s17 = peg$parseSuccessor();
if (s17 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c27(s5, s9, s13, s17);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$silentFails--;
if (s0 === peg$FAILED) {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c24); }
}
return s0;
}
function peg$parseScale() {
var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, s16, s17;
peg$silentFails++;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 115) {
s1 = peg$c29;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c30); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 40) {
s3 = peg$c17;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c18); }
}
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
s5 = peg$parseExpression();
if (s5 !== peg$FAILED) {
s6 = peg$parse_();
if (s6 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 44) {
s7 = peg$c19;
peg$currPos++;
} else {
s7 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c20); }
}
if (s7 !== peg$FAILED) {
s8 = peg$parse_();
if (s8 !== peg$FAILED) {
s9 = peg$parseExpression();
if (s9 !== peg$FAILED) {
s10 = peg$parse_();
if (s10 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 44) {
s11 = peg$c19;
peg$currPos++;
} else {
s11 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c20); }
}
if (s11 !== peg$FAILED) {
s12 = peg$parse_();
if (s12 !== peg$FAILED) {
s13 = peg$parseExpression();
if (s13 !== peg$FAILED) {
s14 = peg$parse_();
if (s14 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s15 = peg$c21;
peg$currPos++;
} else {
s15 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c22); }
}
if (s15 !== peg$FAILED) {
s16 = peg$parse_();
if (s16 !== peg$FAILED) {
s17 = peg$parseSuccessor();
if (s17 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c31(s5, s9, s13, s17);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;