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parser.js
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parser.js
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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$FAILED = {},
peg$startRuleIndices = { start: 0 },
peg$startRuleIndex = 0,
peg$consts = [
/^[ \t\n]/,
{ type: "class", value: "[ \\t\\n]", description: "[ \\t\\n]" },
function(body) { return body; },
"define",
{ type: "literal", value: "define", description: "\"define\"" },
/^[A-Za-z]/,
{ type: "class", value: "[A-Za-z]", description: "[A-Za-z]" },
function(chars, exprs) { userDefines[chars.join("")] = exprs; },
function(from, to, match) { return { match: match, from: from, to: to } },
function(match) { return { match: match } },
"from",
{ type: "literal", value: "from", description: "\"from\"" },
function(locator) { return locator; },
"anywhere",
{ type: "literal", value: "anywhere", description: "\"anywhere\"" },
function() { return "anywhere"; },
"linestart",
{ type: "literal", value: "linestart", description: "\"linestart\"" },
function() { return "linestart"; },
"to",
{ type: "literal", value: "to", description: "\"to\"" },
"lineend",
{ type: "literal", value: "lineend", description: "\"lineend\"" },
function() { return "lineend"; },
"match",
{ type: "literal", value: "match", description: "\"match\"" },
"{",
{ type: "literal", value: "{", description: "\"{\"" },
"}",
{ type: "literal", value: "}", description: "\"}\"" },
function(settings, exprs) { return { ast: exprs, settings: settings.join("") }; },
function(exprs) { return { ast: exprs }; },
function(lhs, rhs) { return lhs.concat(rhs); },
function(setting) { return setting; },
"caseinsensitive",
{ type: "literal", value: "caseinsensitive", description: "\"caseinsensitive\"" },
function() { return ["i"]; },
"casesensitive",
{ type: "literal", value: "casesensitive", description: "\"casesensitive\"" },
function() { return []; },
"global",
{ type: "literal", value: "global", description: "\"global\"" },
function() { return ["g"]; },
"multiline",
{ type: "literal", value: "multiline", description: "\"multiline\"" },
function() { return ["m"]; },
"and",
{ type: "literal", value: "and", description: "\"and\"" },
function(expr, exprs) { return { conjunction: { lhs: expr, rhs: exprs } };},
"or",
{ type: "literal", value: "or", description: "\"or\"" },
function(expr, exprs) { return { disjunction: { lhs: expr, rhs: exprs } };},
function(expr) { return expr;},
function(quantifier, block) { return { quantifier: quantifier.quantifier, block: block.block, qualifiers: block.qualifiers }; },
function(block) { return { block: block.block, qualifiers: block.qualifiers }; },
function(quantifier, set) { return { quantifier: quantifier.quantifier, set: set.set }; },
function(set) { return { set: set.set }; },
function(quantifier, literal) { return { quantifier: quantifier.quantifier, literal: literal.literal }; },
function(literal) { return { literal: literal.literal }; },
function(quantifier, ident) {
var obj = {};
obj.quantifier = quantifier.quantifier;
var type = Object.keys(ident)[0];
obj[type] = ident[type];
return obj;
},
function(ident) { return ident; },
function(qualifiers, exprs) { return { block: exprs, qualifiers: qualifiers }; },
function(exprs) { return { block: exprs }; },
function(qualifier) { return qualifier; },
"capture",
{ type: "literal", value: "capture", description: "\"capture\"" },
function() { return ["capture"]; },
"positive_lookahead",
{ type: "literal", value: "positive_lookahead", description: "\"positive_lookahead\"" },
function() { return ["positive_lookahead"]; },
"negative_lookahead",
{ type: "literal", value: "negative_lookahead", description: "\"negative_lookahead\"" },
function() { return ["negative_lookahead"]; },
"lazy",
{ type: "literal", value: "lazy", description: "\"lazy\"" },
function(quantifier) {
var quantifier = quantifier.quantifier;
quantifier.lazy = true;
return { quantifier: quantifier };
},
function(quantifier) { return { quantifier: quantifier.quantifier }; },
/^[0-9]/,
{ type: "class", value: "[0-9]", description: "[0-9]" },
"orMore",
{ type: "literal", value: "orMore", description: "\"orMore\"" },
function(leftDigits) { return {
quantifier: { lower: parseInt(leftDigits.join(""), 10),
upper: Infinity }};
},
function(leftDigits, rightDigits) { return {
quantifier: { lower: parseInt(leftDigits.join(""), 10),
upper: parseInt(rightDigits.join(""), 10) }
};},
"not",
{ type: "literal", value: "not", description: "\"not\"" },
function(set) {
if(set.set) {
return { negatedSet: set.set };
}
},
"[",
{ type: "literal", value: "[", description: "\"[\"" },
"]",
{ type: "literal", value: "]", description: "\"]\"" },
function(elements) {
var set = [];
for(var i = 0; i < elements.length; ++i) {
if(elements[i].literal) {
set = set.concat(elements[i].literal);
}
}
return {
set: set
};
},
",",
{ type: "literal", value: ",", description: "\",\"" },
function(element, more_elements) { return [ element ].concat(more_elements); },
function(element) { return [ element ]; },
"\"",
{ type: "literal", value: "\"", description: "\"\\\"\"" },
/^[^"]/,
{ type: "class", value: "[^\"]", description: "[^\"]" },
function(chars) { return {
literal: chars
};},
"digit",
{ type: "literal", value: "digit", description: "\"digit\"" },
function() { return { literal: ["\\d"] }; },
"whitespace",
{ type: "literal", value: "whitespace", description: "\"whitespace\"" },
function() { return { literal: ["\\s"] }; },
"wordchar",
{ type: "literal", value: "wordchar", description: "\"wordchar\"" },
function() { return { literal: ["\\w"] }; },
"char",
{ type: "literal", value: "char", description: "\"char\"" },
function() { return { literal: ["CHAR"] }; },
/^[A-Z]/,
{ type: "class", value: "[A-Z]", description: "[A-Z]" },
function(char, chars) {
var id = char + chars.join("");
if(userDefines[id]) { return userDefines[id]; }
throw new Error("Undefined symbol: '" + id + "'");
}
],
peg$bytecode = [
peg$decode("%$4 \"\"5!7!0)*4 \"\"5!7!&/x#;!/o$$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/M$;#/D$$4 \"\"5!7!0)*4 \"\"5!7!&/($8%:\"%!!)(%'#($'#(#'#(\"'#&'#.j &%$4 \"\"5!7!0)*4 \"\"5!7!&/M#;#/D$$4 \"\"5!7!0)*4 \"\"5!7!&/($8#:\"#!!)(#'#(\"'#&'#"),
peg$decode("%;\"/N#$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/,$;!/#$+#)(#'#(\"'#&'#.# &;\""),
peg$decode("%2#\"\"6#7$/\x98#$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/v$$4%\"\"5!7&/,#0)*4%\"\"5!7&&&&#/T$$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/2$;+/)$8%:'%\"\" )(%'#($'#(#'#(\"'#&'#"),
peg$decode("%;$/\x80#$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/^$;&/U$$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/3$;(/*$8%:(%#$\" )(%'#($'#(#'#(\"'#&'#./ &%;(/' 8!:)!! )"),
peg$decode("%2*\"\"6*7+/S#$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/1$;%/($8#:,#! )(#'#(\"'#&'#"),
peg$decode("%2-\"\"6-7./& 8!:/! ).4 &%20\"\"6071/& 8!:2! )"),
peg$decode("%23\"\"6374/S#$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/1$;'/($8#:,#! )(#'#(\"'#&'#"),
peg$decode("%2-\"\"6-7./& 8!:/! ).4 &%25\"\"6576/& 8!:7! )"),
peg$decode("%28\"\"6879/\xCF#$4 \"\"5!7!0)*4 \"\"5!7!&/\xB3$;)/\xAA$$4 \"\"5!7!0)*4 \"\"5!7!&/\x8E$2:\"\"6:7;/$$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/]$;+/T$$4 \"\"5!7!0)*4 \"\"5!7!&/8$2<\"\"6<7=/)$8):>)\"&\")()'#(('#(''#(&'#(%'#($'#(#'#(\"'#&'#.\xB9 &%28\"\"6879/\xA9#$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/\x87$2:\"\"6:7;/x$$4 \"\"5!7!0)*4 \"\"5!7!&/\\$;+/S$$4 \"\"5!7!0)*4 \"\"5!7!&/7$2<\"\"6<7=/($8':?'!\")(''#(&'#(%'#($'#(#'#(\"'#&'#"),
peg$decode("%;*/T#$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/2$;)/)$8#:@#\"\" )(#'#(\"'#&'#./ &%;*/' 8!:A!! )"),
peg$decode("%2B\"\"6B7C/& 8!:D! ).b &%2E\"\"6E7F/& 8!:G! ).K &%2H\"\"6H7I/& 8!:J! ).4 &%2K\"\"6K7L/& 8!:M! )"),
peg$decode("%;,/\x85#$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/c$2N\"\"6N7O/T$$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/2$;+/)$8%:P%\"$ )(%'#($'#(#'#(\"'#&'#.\xA1 &%;,/\x85#$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/c$2Q\"\"6Q7R/T$$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/2$;+/)$8%:S%\"$ )(%'#($'#(#'#(\"'#&'#./ &%;,/' 8!:T!! )"),
peg$decode("%;0/T#$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/2$;-/)$8#:U#\"\" )(#'#(\"'#&'#.\u0128 &%;-/' 8!:V!! ).\u0116 &%;0/T#$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/2$;2/)$8#:W#\"\" )(#'#(\"'#&'#.\xD5 &%;2/' 8!:X!! ).\xC3 &%;0/T#$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/2$;4/)$8#:Y#\"\" )(#'#(\"'#&'#.\x82 &%;4/' 8!:Z!! ).p &%;0/T#$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/2$;5/)$8#:[#\"\" )(#'#(\"'#&'#./ &%;5/' 8!:\\!! )"),
peg$decode("%;./\xA4#$4 \"\"5!7!0)*4 \"\"5!7!&/\x88$2:\"\"6:7;/y$$4 \"\"5!7!0)*4 \"\"5!7!&/]$;+/T$$4 \"\"5!7!0)*4 \"\"5!7!&/8$2<\"\"6<7=/)$8':]'\"&\")(''#(&'#(%'#($'#(#'#(\"'#&'#.\x88 &%2:\"\"6:7;/x#$4 \"\"5!7!0)*4 \"\"5!7!&/\\$;+/S$$4 \"\"5!7!0)*4 \"\"5!7!&/7$2<\"\"6<7=/($8%:^%!\")(%'#($'#(#'#(\"'#&'#"),
peg$decode("%;//T#$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/2$;./)$8#:@#\"\" )(#'#(\"'#&'#./ &%;//' 8!:_!! )"),
peg$decode("%2`\"\"6`7a/& 8!:b! ).K &%2c\"\"6c7d/& 8!:e! ).4 &%2f\"\"6f7g/& 8!:h! )"),
peg$decode("%;1/Y#$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/7$2i\"\"6i7j/($8#:k#!\")(#'#(\"'#&'#./ &%;1/' 8!:l!! )"),
peg$decode("%$4m\"\"5!7n/,#0)*4m\"\"5!7n&&&#/7#2o\"\"6o7p/($8\":q\"!!)(\"'#&'#.} &%$4m\"\"5!7n/,#0)*4m\"\"5!7n&&&#/Z#23\"\"6374/K$$4m\"\"5!7n/,#0)*4m\"\"5!7n&&&#/)$8#:r#\"\" )(#'#(\"'#&'#"),
peg$decode("%2s\"\"6s7t/S#$4 \"\"5!7!/,#0)*4 \"\"5!7!&&&#/1$;2/($8#:u#! )(#'#(\"'#&'#.\x88 &%2v\"\"6v7w/x#$4 \"\"5!7!0)*4 \"\"5!7!&/\\$;3/S$$4 \"\"5!7!0)*4 \"\"5!7!&/7$2x\"\"6x7y/($8%:z%!\")(%'#($'#(#'#(\"'#&'#"),
peg$decode("%;4/y#$4 \"\"5!7!0)*4 \"\"5!7!&/]$2{\"\"6{7|/N$$4 \"\"5!7!0)*4 \"\"5!7!&/2$;3/)$8%:}%\"$ )(%'#($'#(#'#(\"'#&'#./ &%;4/' 8!:~!! )"),
peg$decode("%2\"\"67\x80/S#$4\x81\"\"5!7\x820)*4\x81\"\"5!7\x82&/7$2\"\"67\x80/($8#:\x83#!!)(#'#(\"'#&'#.y &%2\x84\"\"6\x847\x85/& 8!:\x86! ).b &%2\x87\"\"6\x877\x88/& 8!:\x89! ).K &%2\x8A\"\"6\x8A7\x8B/& 8!:\x8C! ).4 &%2\x8D\"\"6\x8D7\x8E/& 8!:\x8F! )"),
peg$decode("%4\x90\"\"5!7\x91/E#$4%\"\"5!7&0)*4%\"\"5!7&&/)$8\":\x92\"\"! )(\"'#&'#")
],
peg$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$startRuleIndices)) {
throw new Error("Can't start parsing from rule \"" + options.startRule + "\".");
}
peg$startRuleIndex = peg$startRuleIndices[options.startRule];
}
function text() {
return input.substring(peg$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$SyntaxError(
message !== null ? message : buildMessage(expected, found),
expected,
found,
location
);
}
function peg$decode(s) {
var bc = new Array(s.length), i;
for (i = 0; i < s.length; i++) {
bc[i] = s.charCodeAt(i) - 32;
}
return bc;
}
function peg$parseRule(index) {
var bc = peg$bytecode[index],
ip = 0,
ips = [],
end = bc.length,
ends = [],
stack = [],
params, i;
while (true) {
while (ip < end) {
switch (bc[ip]) {
case 0:
stack.push(peg$consts[bc[ip + 1]]);
ip += 2;
break;
case 1:
stack.push(void 0);
ip++;
break;
case 2:
stack.push(null);
ip++;
break;
case 3:
stack.push(peg$FAILED);
ip++;
break;
case 4:
stack.push([]);
ip++;
break;
case 5:
stack.push(peg$currPos);
ip++;
break;
case 6:
stack.pop();
ip++;
break;
case 7:
peg$currPos = stack.pop();
ip++;
break;
case 8:
stack.length -= bc[ip + 1];
ip += 2;
break;
case 9:
stack.splice(-2, 1);
ip++;
break;
case 10:
stack[stack.length - 2].push(stack.pop());
ip++;
break;
case 11:
stack.push(stack.splice(stack.length - bc[ip + 1], bc[ip + 1]));
ip += 2;
break;
case 12:
stack.push(input.substring(stack.pop(), peg$currPos));
ip++;
break;
case 13:
ends.push(end);
ips.push(ip + 3 + bc[ip + 1] + bc[ip + 2]);
if (stack[stack.length - 1]) {
end = ip + 3 + bc[ip + 1];
ip += 3;
} else {
end = ip + 3 + bc[ip + 1] + bc[ip + 2];
ip += 3 + bc[ip + 1];
}
break;
case 14:
ends.push(end);
ips.push(ip + 3 + bc[ip + 1] + bc[ip + 2]);
if (stack[stack.length - 1] === peg$FAILED) {
end = ip + 3 + bc[ip + 1];
ip += 3;
} else {
end = ip + 3 + bc[ip + 1] + bc[ip + 2];
ip += 3 + bc[ip + 1];
}
break;
case 15:
ends.push(end);
ips.push(ip + 3 + bc[ip + 1] + bc[ip + 2]);
if (stack[stack.length - 1] !== peg$FAILED) {
end = ip + 3 + bc[ip + 1];
ip += 3;
} else {
end = ip + 3 + bc[ip + 1] + bc[ip + 2];
ip += 3 + bc[ip + 1];
}
break;
case 16:
if (stack[stack.length - 1] !== peg$FAILED) {
ends.push(end);
ips.push(ip);
end = ip + 2 + bc[ip + 1];
ip += 2;
} else {
ip += 2 + bc[ip + 1];
}
break;
case 17:
ends.push(end);
ips.push(ip + 3 + bc[ip + 1] + bc[ip + 2]);
if (input.length > peg$currPos) {
end = ip + 3 + bc[ip + 1];
ip += 3;
} else {
end = ip + 3 + bc[ip + 1] + bc[ip + 2];
ip += 3 + bc[ip + 1];
}
break;
case 18:
ends.push(end);
ips.push(ip + 4 + bc[ip + 2] + bc[ip + 3]);
if (input.substr(peg$currPos, peg$consts[bc[ip + 1]].length) === peg$consts[bc[ip + 1]]) {
end = ip + 4 + bc[ip + 2];
ip += 4;
} else {
end = ip + 4 + bc[ip + 2] + bc[ip + 3];
ip += 4 + bc[ip + 2];
}
break;
case 19:
ends.push(end);
ips.push(ip + 4 + bc[ip + 2] + bc[ip + 3]);
if (input.substr(peg$currPos, peg$consts[bc[ip + 1]].length).toLowerCase() === peg$consts[bc[ip + 1]]) {
end = ip + 4 + bc[ip + 2];
ip += 4;
} else {
end = ip + 4 + bc[ip + 2] + bc[ip + 3];
ip += 4 + bc[ip + 2];
}
break;
case 20:
ends.push(end);
ips.push(ip + 4 + bc[ip + 2] + bc[ip + 3]);
if (peg$consts[bc[ip + 1]].test(input.charAt(peg$currPos))) {
end = ip + 4 + bc[ip + 2];
ip += 4;
} else {
end = ip + 4 + bc[ip + 2] + bc[ip + 3];
ip += 4 + bc[ip + 2];
}
break;
case 21:
stack.push(input.substr(peg$currPos, bc[ip + 1]));
peg$currPos += bc[ip + 1];
ip += 2;
break;
case 22:
stack.push(peg$consts[bc[ip + 1]]);
peg$currPos += peg$consts[bc[ip + 1]].length;
ip += 2;
break;
case 23:
stack.push(peg$FAILED);
if (peg$silentFails === 0) {
peg$fail(peg$consts[bc[ip + 1]]);
}
ip += 2;
break;
case 24:
peg$savedPos = stack[stack.length - 1 - bc[ip + 1]];
ip += 2;
break;
case 25:
peg$savedPos = peg$currPos;
ip++;
break;
case 26:
params = bc.slice(ip + 4, ip + 4 + bc[ip + 3]);
for (i = 0; i < bc[ip + 3]; i++) {
params[i] = stack[stack.length - 1 - params[i]];
}
stack.splice(
stack.length - bc[ip + 2],
bc[ip + 2],
peg$consts[bc[ip + 1]].apply(null, params)
);
ip += 4 + bc[ip + 3];
break;
case 27:
stack.push(peg$parseRule(bc[ip + 1]));
ip += 2;
break;
case 28:
peg$silentFails++;
ip++;
break;
case 29:
peg$silentFails--;
ip++;
break;
default:
throw new Error("Invalid opcode: " + bc[ip] + ".");
}
}
if (ends.length > 0) {
end = ends.pop();
ip = ips.pop();
} else {
break;
}
}
return stack[0];
}
peg$result = peg$parseRule(peg$startRuleIndex);
if (peg$result !== peg$FAILED && peg$currPos === input.length) {
return peg$result;
} else {
if (peg$result !== peg$FAILED && peg$currPos < input.length) {
peg$fail({ type: "end", description: "end of input" });
}
throw peg$buildException(
null,
peg$maxFailExpected,
peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null,
peg$maxFailPos < input.length
? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1)
: peg$computeLocation(peg$maxFailPos, peg$maxFailPos)
);
}
}
return {
SyntaxError: peg$SyntaxError,
parse: peg$parse
};
})();