pgn.js
Version:
Chess PGN, Portable Game Notation, Javascript Library
1,596 lines (1,494 loc) • 56.9 kB
JavaScript
// Generated by Peggy 2.0.1.
//
// https://peggyjs.org/
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$SyntaxError.prototype.format = function(sources) {
var str = "Error: " + this.message;
if (this.location) {
var src = null;
var k;
for (k = 0; k < sources.length; k++) {
if (sources[k].source === this.location.source) {
src = sources[k].text.split(/\r\n|\n|\r/g);
break;
}
}
var s = this.location.start;
var loc = this.location.source + ":" + s.line + ":" + s.column;
if (src) {
var e = this.location.end;
var filler = peg$padEnd("", 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"
+ 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 = { pgn: peg$parsepgn };
var peg$startRuleFunction = peg$parsepgn;
var peg$c0 = "1:0";
var peg$c1 = "0:1";
var peg$c2 = "1-0";
var peg$c3 = "0-1";
var peg$c4 = "1/2-1/2";
var peg$c5 = "*";
var peg$c6 = "{";
var peg$c7 = "}";
var peg$c8 = "(";
var peg$c9 = ")";
var peg$c10 = " ";
var peg$c11 = "\t";
var peg$c12 = "\r";
var peg$c13 = "\n";
var peg$c14 = ",";
var peg$c15 = ".";
var peg$c16 = "O-O-O";
var peg$c17 = "O-O";
var peg$c18 = "0-0-0";
var peg$c19 = "0-0";
var peg$c20 = "+";
var peg$c21 = "#";
var peg$c22 = "=";
var peg$c23 = "$";
var peg$c24 = "!!";
var peg$c25 = "??";
var peg$c26 = "!?";
var peg$c27 = "?!";
var peg$c28 = "!";
var peg$c29 = "?";
var peg$c30 = "\u203C";
var peg$c31 = "\u2047";
var peg$c32 = "\u2049";
var peg$c33 = "\u2048";
var peg$c34 = "\u25A1";
var peg$c35 = "\u221E";
var peg$c36 = "\u2A72";
var peg$c37 = "\u2A71";
var peg$c38 = "\xB1";
var peg$c39 = "\u2213";
var peg$c40 = "+-";
var peg$c41 = "-+";
var peg$c42 = "\u2A00";
var peg$c43 = "\u27F3";
var peg$c44 = "\u2192";
var peg$c45 = "\u2191";
var peg$c46 = "\u21C6";
var peg$c47 = "D";
var peg$c48 = "x";
var peg$c49 = "-";
var peg$r0 = /^[^}]/;
var peg$r1 = /^[0-9]/;
var peg$r2 = /^[1-9]/;
var peg$r3 = /^[RNBQKP]/;
var peg$r4 = /^[a-h]/;
var peg$r5 = /^[1-8]/;
var peg$e0 = peg$literalExpectation("1:0", false);
var peg$e1 = peg$literalExpectation("0:1", false);
var peg$e2 = peg$literalExpectation("1-0", false);
var peg$e3 = peg$literalExpectation("0-1", false);
var peg$e4 = peg$literalExpectation("1/2-1/2", false);
var peg$e5 = peg$literalExpectation("*", false);
var peg$e6 = peg$literalExpectation("{", false);
var peg$e7 = peg$classExpectation(["}"], true, false);
var peg$e8 = peg$literalExpectation("}", false);
var peg$e9 = peg$literalExpectation("(", false);
var peg$e10 = peg$literalExpectation(")", false);
var peg$e11 = peg$classExpectation([["0", "9"]], false, false);
var peg$e12 = peg$classExpectation([["1", "9"]], false, false);
var peg$e13 = peg$literalExpectation(" ", false);
var peg$e14 = peg$literalExpectation("\t", false);
var peg$e15 = peg$literalExpectation("\r", false);
var peg$e16 = peg$literalExpectation("\n", false);
var peg$e17 = peg$literalExpectation(",", false);
var peg$e18 = peg$literalExpectation(".", false);
var peg$e19 = peg$literalExpectation("O-O-O", false);
var peg$e20 = peg$literalExpectation("O-O", false);
var peg$e21 = peg$literalExpectation("0-0-0", false);
var peg$e22 = peg$literalExpectation("0-0", false);
var peg$e23 = peg$literalExpectation("+", false);
var peg$e24 = peg$literalExpectation("#", false);
var peg$e25 = peg$literalExpectation("=", false);
var peg$e26 = peg$literalExpectation("$", false);
var peg$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$literalExpectation("!", false);
var peg$e32 = peg$literalExpectation("?", false);
var peg$e33 = peg$literalExpectation("\u203C", false);
var peg$e34 = peg$literalExpectation("\u2047", false);
var peg$e35 = peg$literalExpectation("\u2049", false);
var peg$e36 = peg$literalExpectation("\u2048", false);
var peg$e37 = peg$literalExpectation("\u25A1", false);
var peg$e38 = peg$literalExpectation("\u221E", false);
var peg$e39 = peg$literalExpectation("\u2A72", false);
var peg$e40 = peg$literalExpectation("\u2A71", false);
var peg$e41 = peg$literalExpectation("\xB1", false);
var peg$e42 = peg$literalExpectation("\u2213", false);
var peg$e43 = peg$literalExpectation("+-", false);
var peg$e44 = peg$literalExpectation("-+", false);
var peg$e45 = peg$literalExpectation("\u2A00", false);
var peg$e46 = peg$literalExpectation("\u27F3", false);
var peg$e47 = peg$literalExpectation("\u2192", false);
var peg$e48 = peg$literalExpectation("\u2191", false);
var peg$e49 = peg$literalExpectation("\u21C6", false);
var peg$e50 = peg$literalExpectation("D", false);
var peg$e51 = peg$classExpectation(["R", "N", "B", "Q", "K", "P"], false, false);
var peg$e52 = peg$classExpectation([["a", "h"]], false, false);
var peg$e53 = peg$classExpectation([["1", "8"]], false, false);
var peg$e54 = peg$literalExpectation("x", false);
var peg$e55 = peg$literalExpectation("-", false);
var peg$f0 = function(move, rest) { var arr = (rest ? rest : []);
arr.unshift(move);
return arr; };
var peg$f1 = function() { return [[]]; };
var peg$f2 = function(c_pre, num, c_before, text, nags, c_after, rav, rest) { var arr = (rest ? rest : []);
var move = {};
move.num = num;
move.text = text;
move.comment_pre = c_pre;
move.comment_before = c_before;
move.comment_after = c_after;
move.vars = (rav ? rav : []);
move.nags = (nags ? nags : null);
arr.unshift(move); return arr; };
var peg$f3 = function(gtm) { return gtm; };
var peg$f4 = function() { var move = { gtm: "1-0" }; return [move]; };
var peg$f5 = function() { var move = { gtm: "0-1" }; return [move]; };
var peg$f6 = function() { var move = { gtm: "1-0" }; return [move]; };
var peg$f7 = function() { var move = { gtm: "0-1" }; return [move]; };
var peg$f8 = function() { var move = { gtm: "1/2-1/2" }; return [move]; };
var peg$f9 = function() { var move = { gtm: "*" }; return [move]; };
var peg$f10 = function(cmt) { return cmt.join("").trim(); };
var peg$f11 = function(rav, rest) { var arr = (rest ? rest : []); arr.unshift(rav); return arr; };
var peg$f12 = function() { var arr = []; return arr; };
var peg$f13 = function(num) { return num; };
var peg$f14 = function(first, digits) { digits.unshift(first); return toInt(digits); };
var peg$f15 = function(digit) { return digit; };
var peg$f16 = function(piece, disc, capture, col, row, pr, ch) { var san = {}; san.piece = (piece ? piece : null); san.disc = (disc ? disc : null); san.capture = (capture ? capture : null); san.col = col; san.row = row; san.check = (ch ? ch : null); san.promotion = pr; san.san = (piece ? piece : "") + (disc ? disc : "") + (capture ? capture : "") + col + row + (pr ? pr : "") + (ch ? ch : ""); return san; };
var peg$f17 = function(piece, capture, col, row, pr, ch) { var san = {}; san.piece = (piece ? piece : null); san.capture = (capture ? capture : null); san.col = col; san.row = row; san.check = (ch ? ch : null); san.san = (piece ? piece : "") + (capture ? capture : "") + col + row + (pr ? pr : "") + (ch ? ch : ""); san.promotion = pr; return san; };
var peg$f18 = function(ch) { var san = {}; san.san = 'O-O-O'+ (ch ? ch : ""); san.check = (ch ? ch : null); return san; };
var peg$f19 = function(ch) { var san = {}; san.san = 'O-O'+ (ch ? ch : ""); san.check = (ch ? ch : null); return san; };
var peg$f20 = function(ch) { var san = {}; san.san = 'O-O-O'+ (ch ? ch : ""); san.check = (ch ? ch : null); return san; };
var peg$f21 = function(ch) { var san = {}; san.san = 'O-O'+ (ch ? ch : ""); san.check = (ch ? ch : null); return san; };
var peg$f22 = function(ch) { return ch; };
var peg$f23 = function(ch) { return ch; };
var peg$f24 = function(f) { return '=' + f; };
var peg$f25 = function(nag, rest) { var arr = (rest ? rest : []); arr.unshift(nag); return arr; };
var peg$f26 = function(num) { return '$' + num; };
var peg$f27 = function() { return '!!'; };
var peg$f28 = function() { return '??'; };
var peg$f29 = function() { return '!?'; };
var peg$f30 = function() { return '?!'; };
var peg$f31 = function() { return '!'; };
var peg$f32 = function() { return '?'; };
var peg$f33 = function() { return '!!'; };
var peg$f34 = function() { return '??'; };
var peg$f35 = function() { return '!?'; };
var peg$f36 = function() { return '?!'; };
var peg$f37 = function() { return '$7'; };
var peg$f38 = function() { return '$10'; };
var peg$f39 = function() { return '$13'; };
var peg$f40 = function() { return '$14'; };
var peg$f41 = function() { return '$15';};
var peg$f42 = function() { return '$16';};
var peg$f43 = function() { return '$17';};
var peg$f44 = function() { return '+-';};
var peg$f45 = function() { return '-+';};
var peg$f46 = function() { return '$22'; };
var peg$f47 = function() { return '$32'; };
var peg$f48 = function() { return '$36'; };
var peg$f49 = function() { return '$40'; };
var peg$f50 = function() { return '$132'; };
var peg$f51 = function() { return '$220'; };
var peg$currPos = 0;
var peg$savedPos = 0;
var peg$posDetailsCache = [{ line: 1, column: 1 }];
var peg$maxFailPos = 0;
var peg$maxFailExpected = [];
var peg$silentFails = 0;
var peg$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) {
var startPosDetails = peg$computePosDetails(startPos);
var endPosDetails = peg$computePosDetails(endPos);
return {
source: peg$source,
start: {
offset: startPos,
line: startPosDetails.line,
column: startPosDetails.column
},
end: {
offset: endPos,
line: endPosDetails.line,
column: endPosDetails.column
}
};
}
function peg$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$SyntaxError.buildMessage(expected, found),
expected,
found,
location
);
}
function peg$parsepgn() {
var s0, s1, s2, s3, s4;
s0 = peg$currPos;
s1 = peg$parsemove();
if (s1 !== peg$FAILED) {
s2 = peg$parsemove();
if (s2 === peg$FAILED) {
s2 = null;
}
s3 = [];
s4 = peg$parsews();
while (s4 !== peg$FAILED) {
s3.push(s4);
s4 = peg$parsews();
}
peg$savedPos = s0;
s0 = peg$f0(s1, s2);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = [];
s2 = peg$parsews();
while (s2 !== peg$FAILED) {
s1.push(s2);
s2 = peg$parsews();
}
peg$savedPos = s0;
s1 = peg$f1();
s0 = s1;
}
return s0;
}
function peg$parsemove() {
var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15;
s0 = peg$currPos;
s1 = [];
s2 = peg$parsews();
while (s2 !== peg$FAILED) {
s1.push(s2);
s2 = peg$parsews();
}
s2 = peg$parsecomment();
if (s2 === peg$FAILED) {
s2 = null;
}
s3 = [];
s4 = peg$parsews();
while (s4 !== peg$FAILED) {
s3.push(s4);
s4 = peg$parsews();
}
s4 = peg$parsemvnum();
if (s4 === peg$FAILED) {
s4 = null;
}
s5 = [];
s6 = peg$parsews();
while (s6 !== peg$FAILED) {
s5.push(s6);
s6 = peg$parsews();
}
s6 = peg$parsecomment();
if (s6 === peg$FAILED) {
s6 = null;
}
s7 = [];
s8 = peg$parsews();
while (s8 !== peg$FAILED) {
s7.push(s8);
s8 = peg$parsews();
}
s8 = peg$parsesan();
if (s8 !== peg$FAILED) {
s9 = [];
s10 = peg$parsews();
while (s10 !== peg$FAILED) {
s9.push(s10);
s10 = peg$parsews();
}
s10 = peg$parsenags();
if (s10 === peg$FAILED) {
s10 = null;
}
s11 = [];
s12 = peg$parsews();
while (s12 !== peg$FAILED) {
s11.push(s12);
s12 = peg$parsews();
}
s12 = peg$parsecomment();
if (s12 === peg$FAILED) {
s12 = null;
}
s13 = [];
s14 = peg$parsews();
while (s14 !== peg$FAILED) {
s13.push(s14);
s14 = peg$parsews();
}
s14 = peg$parserav();
if (s14 === peg$FAILED) {
s14 = null;
}
s15 = peg$parsemove();
if (s15 === peg$FAILED) {
s15 = null;
}
peg$savedPos = s0;
s0 = peg$f2(s2, s4, s6, s8, s10, s12, s14, s15);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
s1 = peg$parsegame_terminal_marker();
if (s1 === peg$FAILED) {
s1 = null;
}
peg$savedPos = s0;
s1 = peg$f3(s1);
s0 = s1;
}
return s0;
}
function peg$parsegame_terminal_marker() {
var s0, s1;
s0 = peg$currPos;
if (input.substr(peg$currPos, 3) === peg$c0) {
s1 = peg$c0;
peg$currPos += 3;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e0); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f4();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.substr(peg$currPos, 3) === peg$c1) {
s1 = peg$c1;
peg$currPos += 3;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e1); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f5();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.substr(peg$currPos, 3) === peg$c2) {
s1 = peg$c2;
peg$currPos += 3;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e2); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f6();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.substr(peg$currPos, 3) === peg$c3) {
s1 = peg$c3;
peg$currPos += 3;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e3); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f7();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.substr(peg$currPos, 7) === peg$c4) {
s1 = peg$c4;
peg$currPos += 7;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e4); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f8();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 42) {
s1 = peg$c5;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e5); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f9();
}
s0 = s1;
}
}
}
}
}
return s0;
}
function peg$parsecomment() {
var s0, s1, s2, s3;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 123) {
s1 = peg$c6;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e6); }
}
if (s1 !== peg$FAILED) {
s2 = [];
if (peg$r0.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e7); }
}
while (s3 !== peg$FAILED) {
s2.push(s3);
if (peg$r0.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e7); }
}
}
if (input.charCodeAt(peg$currPos) === 125) {
s3 = peg$c7;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e8); }
}
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f10(s2);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parserav() {
var s0, s1, s2, s3, s4, s5;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 40) {
s1 = peg$c8;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e9); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parsemove();
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s3 = peg$c9;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e10); }
}
if (s3 !== peg$FAILED) {
s4 = [];
s5 = peg$parsews();
while (s5 !== peg$FAILED) {
s4.push(s5);
s5 = peg$parsews();
}
s5 = peg$parserav();
if (s5 === peg$FAILED) {
s5 = null;
}
peg$savedPos = s0;
s0 = peg$f11(s2, s5);
} else {
peg$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$currPos;
if (input.charCodeAt(peg$currPos) === 40) {
s1 = peg$c8;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e9); }
}
if (s1 !== peg$FAILED) {
s2 = [];
s3 = peg$parsews();
while (s3 !== peg$FAILED) {
s2.push(s3);
s3 = peg$parsews();
}
if (input.charCodeAt(peg$currPos) === 41) {
s3 = peg$c9;
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e10); }
}
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f12();
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
}
return s0;
}
function peg$parsemvnum() {
var s0, s1;
s0 = peg$currPos;
s1 = peg$parsenumber();
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f13(s1);
}
s0 = s1;
return s0;
}
function peg$parsenumber() {
var s0, s1, s2, s3;
s0 = peg$currPos;
s1 = peg$parsenonzero();
if (s1 !== peg$FAILED) {
s2 = [];
if (peg$r1.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e11); }
}
while (s3 !== peg$FAILED) {
s2.push(s3);
if (peg$r1.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e11); }
}
}
peg$savedPos = s0;
s0 = peg$f14(s1, s2);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsenonzero() {
var s0, s1;
s0 = peg$currPos;
if (peg$r2.test(input.charAt(peg$currPos))) {
s1 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e12); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f15(s1);
}
s0 = s1;
return s0;
}
function peg$parsews() {
var s0;
if (input.charCodeAt(peg$currPos) === 32) {
s0 = peg$c10;
peg$currPos++;
} else {
s0 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e13); }
}
if (s0 === peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 9) {
s0 = peg$c11;
peg$currPos++;
} else {
s0 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e14); }
}
if (s0 === peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 13) {
s0 = peg$c12;
peg$currPos++;
} else {
s0 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e15); }
}
if (s0 === peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 10) {
s0 = peg$c13;
peg$currPos++;
} else {
s0 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e16); }
}
if (s0 === peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 44) {
s0 = peg$c14;
peg$currPos++;
} else {
s0 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e17); }
}
if (s0 === peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 46) {
s0 = peg$c15;
peg$currPos++;
} else {
s0 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e18); }
}
}
}
}
}
}
return s0;
}
function peg$parsesan() {
var s0, s1, s2, s3, s4, s5, s6, s7, s8;
s0 = peg$currPos;
s1 = peg$parsepiece();
if (s1 === peg$FAILED) {
s1 = null;
}
s2 = peg$currPos;
peg$silentFails++;
s3 = peg$parsecheckdisc();
peg$silentFails--;
if (s3 !== peg$FAILED) {
peg$currPos = s2;
s2 = undefined;
} else {
s2 = peg$FAILED;
}
if (s2 !== peg$FAILED) {
s3 = peg$parsediscriminator();
if (s3 !== peg$FAILED) {
s4 = peg$parsecapture();
if (s4 === peg$FAILED) {
s4 = null;
}
s5 = peg$parsecolumn();
if (s5 !== peg$FAILED) {
s6 = peg$parserow();
if (s6 !== peg$FAILED) {
s7 = peg$parsepromotion();
if (s7 === peg$FAILED) {
s7 = null;
}
s8 = peg$parsecheck();
if (s8 === peg$FAILED) {
s8 = null;
}
peg$savedPos = s0;
s0 = peg$f16(s1, s3, s4, s5, s6, s7, s8);
} 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$parsepiece();
if (s1 === peg$FAILED) {
s1 = null;
}
s2 = peg$parsecapture();
if (s2 === peg$FAILED) {
s2 = null;
}
s3 = peg$parsecolumn();
if (s3 !== peg$FAILED) {
s4 = peg$parserow();
if (s4 !== peg$FAILED) {
s5 = peg$parsepromotion();
if (s5 === peg$FAILED) {
s5 = null;
}
s6 = peg$parsecheck();
if (s6 === peg$FAILED) {
s6 = null;
}
peg$savedPos = s0;
s0 = peg$f17(s1, s2, s3, s4, s5, s6);
} 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$currPos, 5) === peg$c16) {
s1 = peg$c16;
peg$currPos += 5;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e19); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parsecheck();
if (s2 === peg$FAILED) {
s2 = null;
}
peg$savedPos = s0;
s0 = peg$f18(s2);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.substr(peg$currPos, 3) === peg$c17) {
s1 = peg$c17;
peg$currPos += 3;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e20); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parsecheck();
if (s2 === peg$FAILED) {
s2 = null;
}
peg$savedPos = s0;
s0 = peg$f19(s2);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.substr(peg$currPos, 5) === peg$c18) {
s1 = peg$c18;
peg$currPos += 5;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e21); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parsecheck();
if (s2 === peg$FAILED) {
s2 = null;
}
peg$savedPos = s0;
s0 = peg$f20(s2);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.substr(peg$currPos, 3) === peg$c19) {
s1 = peg$c19;
peg$currPos += 3;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e22); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parsecheck();
if (s2 === peg$FAILED) {
s2 = null;
}
peg$savedPos = s0;
s0 = peg$f21(s2);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
}
}
}
}
}
return s0;
}
function peg$parsecheck() {
var s0, s1;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 43) {
s1 = peg$c20;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e23); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f22(s1);
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 35) {
s1 = peg$c21;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e24); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f23(s1);
}
s0 = s1;
}
return s0;
}
function peg$parsepromotion() {
var s0, s1, s2;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 61) {
s1 = peg$c22;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e25); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parsepiece();
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f24(s2);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsenags() {
var s0, s1, s2, s3;
s0 = peg$currPos;
s1 = peg$parsenag();
if (s1 !== peg$FAILED) {
s2 = [];
s3 = peg$parsews();
while (s3 !== peg$FAILED) {
s2.push(s3);
s3 = peg$parsews();
}
s3 = peg$parsenags();
if (s3 === peg$FAILED) {
s3 = null;
}
peg$savedPos = s0;
s0 = peg$f25(s1, s3);
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsenag() {
var s0, s1, s2;
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 36) {
s1 = peg$c23;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e26); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parsenumber();
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s0 = peg$f26(s2);
} else {
peg$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$c24) {
s1 = peg$c24;
peg$currPos += 2;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e27); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f27();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.substr(peg$currPos, 2) === peg$c25) {
s1 = peg$c25;
peg$currPos += 2;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e28); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f28();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.substr(peg$currPos, 2) === peg$c26) {
s1 = peg$c26;
peg$currPos += 2;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e29); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f29();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.substr(peg$currPos, 2) === peg$c27) {
s1 = peg$c27;
peg$currPos += 2;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e30); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f30();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 33) {
s1 = peg$c28;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e31); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f31();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 63) {
s1 = peg$c29;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e32); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f32();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 8252) {
s1 = peg$c30;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e33); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f33();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 8263) {
s1 = peg$c31;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e34); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f34();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 8265) {
s1 = peg$c32;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e35); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f35();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 8264) {
s1 = peg$c33;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e36); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f36();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 9633) {
s1 = peg$c34;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e37); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f37();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 61) {
s1 = peg$c22;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e25); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f38();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 8734) {
s1 = peg$c35;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e38); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f39();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 10866) {
s1 = peg$c36;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e39); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f40();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 10865) {
s1 = peg$c37;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e40); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f41();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 177) {
s1 = peg$c38;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e41); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f42();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 8723) {
s1 = peg$c39;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e42); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f43();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.substr(peg$currPos, 2) === peg$c40) {
s1 = peg$c40;
peg$currPos += 2;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e43); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f44();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.substr(peg$currPos, 2) === peg$c41) {
s1 = peg$c41;
peg$currPos += 2;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e44); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f45();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 10752) {
s1 = peg$c42;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e45); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f46();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 10227) {
s1 = peg$c43;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e46); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f47();
}
s0 = s1;
if (s0 === peg$FAILED) {
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 8594) {
s1 = peg$c44;
peg$currPos++;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$e47); }
}
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f48();
}