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jslint-cmdline.js
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// (C)2002 Douglas Crockford
// www.JSLint.com
// Rhino Edition
// Changes for SpiderMonkey by David Humphrey
"use strict";
var JSLINT = (function () {
var adsafe_id, adsafe_may, adsafe_went, anonname, approved, atrule = {
media: true,
'font-face': true,
page: true
},
bang = {
'<': true,
'<=': true,
'==': true,
'===': true,
'!==': true,
'!=': true,
'>': true,
'>=': true,
'+': true,
'-': true,
'*': true,
'/': true,
'%': true
},
banned = {
'arguments': true,
callee: true,
caller: true,
constructor: true,
'eval': true,
prototype: true,
unwatch: true,
valueOf: true,
watch: true
},
boolOptions = {
adsafe: true,
bitwise: true,
browser: true,
cap: true,
css: true,
debug: true,
devel: true,
eqeqeq: true,
evil: true,
forin: true,
fragment: true,
immed: true,
laxbreak: true,
newcap: true,
nomen: true,
on: true,
onevar: true,
passfail: true,
plusplus: true,
regexp: true,
rhino: true,
undef: true,
safe: true,
sidebar: true,
strict: true,
sub: true,
white: true,
widget: true
},
browser = {
addEventListener: false,
blur: false,
clearInterval: false,
clearTimeout: false,
WebGLFloatArray: true,
WebGLUnsignedShortArray: true,
CanvasFloatArray: true,
CanvasRenderingContext2D: true,
DOMParser: true,
close: false,
closed: false,
defaultStatus: false,
document: true,
window: true,
Processing: true,
console: true,
event: false,
focus: false,
frames: false,
getComputedStyle: false,
history: false,
Image: false,
length: false,
location: false,
moveBy: false,
moveTo: false,
name: false,
navigator: false,
onbeforeunload: true,
onblur: true,
onerror: true,
onfocus: true,
onload: true,
onresize: true,
onunload: true,
open: false,
opener: false,
Option: false,
parent: false,
print: false,
removeEventListener: false,
resizeBy: false,
resizeTo: false,
screen: false,
scroll: false,
scrollBy: false,
scrollTo: false,
setInterval: false,
setTimeout: false,
status: false,
top: false,
XMLHttpRequest: false
},
cssAttributeData, cssAny, cssColorData = {
"aliceblue": true,
"antiquewhite": true,
"aqua": true,
"aquamarine": true,
"azure": true,
"beige": true,
"bisque": true,
"black": true,
"blanchedalmond": true,
"blue": true,
"blueviolet": true,
"brown": true,
"burlywood": true,
"cadetblue": true,
"chartreuse": true,
"chocolate": true,
"coral": true,
"cornflowerblue": true,
"cornsilk": true,
"crimson": true,
"cyan": true,
"darkblue": true,
"darkcyan": true,
"darkgoldenrod": true,
"darkgray": true,
"darkgreen": true,
"darkkhaki": true,
"darkmagenta": true,
"darkolivegreen": true,
"darkorange": true,
"darkorchid": true,
"darkred": true,
"darksalmon": true,
"darkseagreen": true,
"darkslateblue": true,
"darkslategray": true,
"darkturquoise": true,
"darkviolet": true,
"deeppink": true,
"deepskyblue": true,
"dimgray": true,
"dodgerblue": true,
"firebrick": true,
"floralwhite": true,
"forestgreen": true,
"fuchsia": true,
"gainsboro": true,
"ghostwhite": true,
"gold": true,
"goldenrod": true,
"gray": true,
"green": true,
"greenyellow": true,
"honeydew": true,
"hotpink": true,
"indianred": true,
"indigo": true,
"ivory": true,
"khaki": true,
"lavender": true,
"lavenderblush": true,
"lawngreen": true,
"lemonchiffon": true,
"lightblue": true,
"lightcoral": true,
"lightcyan": true,
"lightgoldenrodyellow": true,
"lightgreen": true,
"lightpink": true,
"lightsalmon": true,
"lightseagreen": true,
"lightskyblue": true,
"lightslategray": true,
"lightsteelblue": true,
"lightyellow": true,
"lime": true,
"limegreen": true,
"linen": true,
"magenta": true,
"maroon": true,
"mediumaquamarine": true,
"mediumblue": true,
"mediumorchid": true,
"mediumpurple": true,
"mediumseagreen": true,
"mediumslateblue": true,
"mediumspringgreen": true,
"mediumturquoise": true,
"mediumvioletred": true,
"midnightblue": true,
"mintcream": true,
"mistyrose": true,
"moccasin": true,
"navajowhite": true,
"navy": true,
"oldlace": true,
"olive": true,
"olivedrab": true,
"orange": true,
"orangered": true,
"orchid": true,
"palegoldenrod": true,
"palegreen": true,
"paleturquoise": true,
"palevioletred": true,
"papayawhip": true,
"peachpuff": true,
"peru": true,
"pink": true,
"plum": true,
"powderblue": true,
"purple": true,
"red": true,
"rosybrown": true,
"royalblue": true,
"saddlebrown": true,
"salmon": true,
"sandybrown": true,
"seagreen": true,
"seashell": true,
"sienna": true,
"silver": true,
"skyblue": true,
"slateblue": true,
"slategray": true,
"snow": true,
"springgreen": true,
"steelblue": true,
"tan": true,
"teal": true,
"thistle": true,
"tomato": true,
"turquoise": true,
"violet": true,
"wheat": true,
"white": true,
"whitesmoke": true,
"yellow": true,
"yellowgreen": true
},
cssBorderStyle, cssBreak, cssLengthData = {
'%': true,
'cm': true,
'em': true,
'ex': true,
'in': true,
'mm': true,
'pc': true,
'pt': true,
'px': true
},
cssOverflow, devel = {
alert: false,
confirm: false,
console: false,
Debug: false,
opera: false,
prompt: false
},
escapes = {
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'"': '\\"',
'/': '\\/',
'\\': '\\\\'
},
funct, functionicity = ['closure', 'exception', 'global', 'label', 'outer', 'unused', 'var'],
functions, global, htmltag = {
a: {},
abbr: {},
acronym: {},
address: {},
applet: {},
area: {
empty: true,
parent: ' map '
},
b: {},
base: {
empty: true,
parent: ' head '
},
bdo: {},
big: {},
blockquote: {},
body: {
parent: ' html noframes '
},
br: {
empty: true
},
button: {},
canvas: {
parent: ' body p div th td '
},
caption: {
parent: ' table '
},
center: {},
cite: {},
code: {},
col: {
empty: true,
parent: ' table colgroup '
},
colgroup: {
parent: ' table '
},
dd: {
parent: ' dl '
},
del: {},
dfn: {},
dir: {},
div: {},
dl: {},
dt: {
parent: ' dl '
},
em: {},
embed: {},
fieldset: {},
font: {},
form: {},
frame: {
empty: true,
parent: ' frameset '
},
frameset: {
parent: ' html frameset '
},
h1: {},
h2: {},
h3: {},
h4: {},
h5: {},
h6: {},
head: {
parent: ' html '
},
html: {
parent: '*'
},
hr: {
empty: true
},
i: {},
iframe: {},
img: {
empty: true
},
input: {
empty: true
},
ins: {},
kbd: {},
label: {},
legend: {
parent: ' fieldset '
},
li: {
parent: ' dir menu ol ul '
},
link: {
empty: true,
parent: ' head '
},
map: {},
menu: {},
meta: {
empty: true,
parent: ' head noframes noscript '
},
noframes: {
parent: ' html body '
},
noscript: {
parent: ' body head noframes '
},
object: {},
ol: {},
optgroup: {
parent: ' select '
},
option: {
parent: ' optgroup select '
},
p: {},
param: {
empty: true,
parent: ' applet object '
},
pre: {},
q: {},
samp: {},
script: {
empty: true,
parent: ' body div frame head iframe p pre span '
},
select: {},
small: {},
span: {},
strong: {},
style: {
parent: ' head ',
empty: true
},
sub: {},
sup: {},
table: {},
tbody: {
parent: ' table '
},
td: {
parent: ' tr '
},
textarea: {},
tfoot: {
parent: ' table '
},
th: {
parent: ' tr '
},
thead: {
parent: ' table '
},
title: {
parent: ' head '
},
tr: {
parent: ' table tbody thead tfoot '
},
tt: {},
u: {},
ul: {},
'var': {}
},
ids, implied, inblock, indent, jsonmode, lines, lookahead, member, membersOnly, nexttoken, noreach, option, predefined, prereg, prevtoken, rhino = {
defineClass: false,
deserialize: false,
gc: false,
help: false,
load: false,
loadClass: false,
print: false,
quit: false,
readFile: false,
readUrl: false,
runCommand: false,
seal: false,
serialize: false,
spawn: false,
sync: false,
toint32: false,
version: false
},
scope, sidebar = {
System: false
},
src, stack, standard = {
Array: false,
Boolean: false,
Date: false,
decodeURI: false,
decodeURIComponent: false,
encodeURI: false,
encodeURIComponent: false,
Error: false,
'eval': false,
EvalError: false,
Function: false,
hasOwnProperty: false,
isFinite: false,
isNaN: false,
JSON: false,
Math: false,
Number: false,
Object: false,
parseInt: false,
parseFloat: false,
RangeError: false,
ReferenceError: false,
RegExp: false,
String: false,
SyntaxError: false,
TypeError: false,
URIError: false
},
standard_member = {
E: true,
LN2: true,
LN10: true,
LOG2E: true,
LOG10E: true,
PI: true,
SQRT1_2: true,
SQRT2: true,
MAX_VALUE: true,
MIN_VALUE: true,
NEGATIVE_INFINITY: true,
POSITIVE_INFINITY: true
},
strict_mode, syntax = {},
tab, token, urls, warnings, widget = {
alert: true,
animator: true,
appleScript: true,
beep: true,
bytesToUIString: true,
Canvas: true,
chooseColor: true,
chooseFile: true,
chooseFolder: true,
closeWidget: true,
COM: true,
convertPathToHFS: true,
convertPathToPlatform: true,
CustomAnimation: true,
escape: true,
FadeAnimation: true,
filesystem: true,
Flash: true,
focusWidget: true,
form: true,
FormField: true,
Frame: true,
HotKey: true,
Image: true,
include: true,
isApplicationRunning: true,
iTunes: true,
konfabulatorVersion: true,
log: true,
md5: true,
MenuItem: true,
MoveAnimation: true,
openURL: true,
play: true,
Point: true,
popupMenu: true,
preferenceGroups: true,
preferences: true,
print: true,
prompt: true,
random: true,
Rectangle: true,
reloadWidget: true,
ResizeAnimation: true,
resolvePath: true,
resumeUpdates: true,
RotateAnimation: true,
runCommand: true,
runCommandInBg: true,
saveAs: true,
savePreferences: true,
screen: true,
ScrollBar: true,
showWidgetPreferences: true,
sleep: true,
speak: true,
Style: true,
suppressUpdates: true,
system: true,
tellWidget: true,
Text: true,
TextArea: true,
Timer: true,
unescape: true,
updateNow: true,
URL: true,
Web: true,
widget: true,
Window: true,
XMLDOM: true,
XMLHttpRequest: true,
yahooCheckLogin: true,
yahooLogin: true,
yahooLogout: true
},
xmode, xquote, ax = /@cc|<\/?|script|\]*s\]|<\s*!|</i,
cx = /[\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/,
tx = /^\s*([(){}\[.,:;'"~\?\]#@]|==?=?|\/(\*(jslint|members?|global)?|=|\/)?|\*[\/=]?|\+[+=]?|-[\-=]?|%=?|&[&=]?|\|[|=]?|>>?>?=?|<([\/=!]|\!(\[|--)?|<=?)?|\^=?|\!=?=?|[a-zA-Z_$][a-zA-Z0-9_$]*|[0-9]+([xX][0-9a-fA-F]+|\.[0-9]*)?([eE][+\-]?[0-9]+)?)/,
hx = /^\s*(['"=>\/&#]|<(?:\/|\!(?:--)?)?|[a-zA-Z][a-zA-Z0-9_\-]*|[0-9]+|--)/,
nx = /[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/,
nxg = /[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
ox = /[>&]|<[\/!]?|--/,
lx = /\*\/|\/\*/,
ix = /^([a-zA-Z_$][a-zA-Z0-9_$]*)$/,
jx = /^(?:javascript|jscript|ecmascript|vbscript|mocha|livescript)\s*:/i,
ux = /&|\+|\u00AD|\.\.|\/\*|%[^;]|base64|url|expression|data|mailto/i,
sx = /^\s*([{:#%.=,>+\[\]@()"';]|\*=?|\$=|\|=|\^=|~=|[a-zA-Z_][a-zA-Z0-9_\-]*|[0-9]+|<\/|\/\*)/,
ssx = /^\s*([@#!"'};:\-%.=,+\[\]()*_]|[a-zA-Z][a-zA-Z0-9._\-]*|\/\*?|\d+(?:\.\d+)?|<\/)/,
qx = /[^a-zA-Z0-9-_\/ ]/,
dx = /[\[\]\/\\"'*<>.&:(){}+=#]/,
rx = {
outer: hx,
html: hx,
style: sx,
styleproperty: ssx
};
function F() {}
if (typeof Object.create !== 'function') {
Object.create = function (o) {
F.prototype = o;
return new F();
};
}
function is_own(object, name) {
return Object.prototype.hasOwnProperty.call(object, name);
}
function combine(t, o) {
var n;
for (n in o) {
if (is_own(o, n)) {
t[n] = o[n];
}
}
}
String.prototype.entityify = function () {
return this.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>');
};
String.prototype.isAlpha = function () {
return (this >= 'a' && this <= 'z\uffff') || (this >= 'A' && this <= 'Z\uffff');
};
String.prototype.isDigit = function () {
return (this >= '0' && this <= '9');
};
String.prototype.supplant = function (o) {
return this.replace(/\{([^{}]*)\}/g, function (a, b) {
var r = o[b];
return typeof r === 'string' || typeof r === 'number' ? r : a;
});
};
String.prototype.name = function () {
if (ix.test(this)) {
return this;
}
if (nx.test(this)) {
return '"' + this.replace(nxg, function (a) {
var c = escapes[a];
if (c) {
return c;
}
return '\\u' + ('0000' + a.charCodeAt().toString(16)).slice(-4);
}) + '"';
}
return '"' + this + '"';
};
function assume() {
if (!option.safe) {
if (option.rhino) {
combine(predefined, rhino);
}
if (option.devel) {
combine(predefined, devel);
}
if (option.browser || option.sidebar) {
combine(predefined, browser);
}
if (option.sidebar) {
combine(predefined, sidebar);
}
if (option.widget) {
combine(predefined, widget);
}
}
}
function quit(m, l, ch) {
throw {
name: 'JSLintError',
line: l,
character: ch,
message: m + " (" + Math.floor((l / lines.length) * 100) + "% scanned)."
};
}
function warning(m, t, a, b, c, d) {
var ch, l, w;
t = t || nexttoken;
if (t.id === '(end)') {
t = token;
}
l = t.line || 0;
ch = t.from || 0;
w = {
id: '(error)',
raw: m,
evidence: lines[l - 1] || '',
line: l,
character: ch,
a: a,
b: b,
c: c,
d: d
};
w.reason = m.supplant(w);
JSLINT.errors.push(w);
if (option.passfail) {
quit('Stopping. ', l, ch);
}
warnings += 1;
if (warnings >= option.maxerr) {
quit("Too many errors.", l, ch);
}
return w;
}
function warningAt(m, l, ch, a, b, c, d) {
return warning(m, {
line: l,
from: ch
},
a, b, c, d);
}
function error(m, t, a, b, c, d) {
var w = warning(m, t, a, b, c, d);
quit("Stopping, unable to continue.", w.line, w.character);
}
function errorAt(m, l, ch, a, b, c, d) {
return error(m, {
line: l,
from: ch
},
a, b, c, d);
}
var lex = (function lex() {
var character, from, line, s;
function nextLine() {
var at;
if (line >= lines.length) {
return false;
}
character = 1;
s = lines[line];
line += 1;
at = s.search(/ \t/);
if (at >= 0) {
warningAt("Mixed spaces and tabs.", line, at + 1);
}
s = s.replace(/\t/g, tab);
at = s.search(cx);
if (at >= 0) {
warningAt("Unsafe character.", line, at);
}
if (option.maxlen && option.maxlen < s.length) {
warningAt("Line too long.", line, s.length);
}
return true;
}
function it(type, value) {
var i, t;
if (type === '(color)') {
t = {
type: type
};
} else if (type === '(punctuator)' || (type === '(identifier)' && is_own(syntax, value))) {
t = syntax[value] || syntax['(error)'];
} else {
t = syntax[type];
}
t = Object.create(t);
if (type === '(string)' || type === '(range)') {
if (jx.test(value)) {
warningAt("Script URL.", line, from);
}
}
if (type === '(identifier)') {
t.identifier = true;
if (value === '__iterator__' || value === '__proto__') {
errorAt("Reserved name '{a}'.", line, from, value);
} else if (option.nomen && (value.charAt(0) === '_' || value.charAt(value.length - 1) === '_')) {
warningAt("Unexpected {a} in '{b}'.", line, from, "dangling '_'", value);
}
}
t.value = value;
t.line = line;
t.character = character;
t.from = from;
i = t.id;
if (i !== '(endline)') {
prereg = i && (('(,=:[!&|?{};'.indexOf(i.charAt(i.length - 1)) >= 0) || i === 'return');
}
return t;
}
return {
init: function (source) {
if (typeof source === 'string') {
lines = source.replace(/\r\n/g, '\n').replace(/\r/g, '\n').split('\n');
} else {
lines = source;
}
line = 0;
nextLine();
from = 1;
},
range: function (begin, end) {
var c, value = '';
from = character;
if (s.charAt(0) !== begin) {
errorAt("Expected '{a}' and instead saw '{b}'.", line, character, begin, s.charAt(0));
}
for (;;) {
s = s.slice(1);
character += 1;
c = s.charAt(0);
switch (c) {
case '':
errorAt("Missing '{a}'.", line, character, c);
break;
case end:
s = s.slice(1);
character += 1;
return it('(range)', value);
case xquote:
case '\\':
warningAt("Unexpected '{a}'.", line, character, c);
}
value += c;
}
},
token: function () {
var b, c, captures, d, depth, high, i, l, low, q, t;
function match(x) {
var r = x.exec(s),
r1;
if (r) {
l = r[0].length;
r1 = r[1];
c = r1.charAt(0);
s = s.substr(l);
from = character + l - r1.length;
character += l;
return r1;
}
}
function string(x) {
var c, j, r = '';
if (jsonmode && x !== '"') {
warningAt("Strings must use doublequote.", line, character);
}
if (xquote === x || (xmode === 'scriptstring' && !xquote)) {
return it('(punctuator)', x);
}
function esc(n) {
var i = parseInt(s.substr(j + 1, n), 16);
j += n;
if (i >= 32 && i <= 126 && i !== 34 && i !== 92 && i !== 39) {
warningAt("Unnecessary escapement.", line, character);
}
character += n;
c = String.fromCharCode(i);
}
j = 0;
for (;;) {
while (j >= s.length) {
j = 0;
if (xmode !== 'html' || !nextLine()) {
errorAt("Unclosed string.", line, from);
}
}
c = s.charAt(j);
if (c === x) {
character += 1;
s = s.substr(j + 1);
return it('(string)', r, x);
}
if (c < ' ') {
if (c === '\n' || c === '\r') {
break;
}
warningAt("Control character in string: {a}.", line, character + j, s.slice(0, j));
} else if (c === xquote) {
warningAt("Bad HTML string", line, character + j);
} else if (c === '<') {
if (option.safe && xmode === 'html') {
warningAt("ADsafe string violation.", line, character + j);
} else if (s.charAt(j + 1) === '/' && (xmode || option.safe)) {
warningAt("Expected '<\\/' and instead saw '</'.", line, character);
} else if (s.charAt(j + 1) === '!' && (xmode || option.safe)) {
warningAt("Unexpected '<!' in a string.", line, character);
}
} else if (c === '\\') {
if (xmode === 'html') {
if (option.safe) {
warningAt("ADsafe string violation.", line, character + j);
}
} else if (xmode === 'styleproperty') {
j += 1;
character += 1;
c = s.charAt(j);
if (c !== x) {
warningAt("Escapement in style string.", line, character + j);
}
} else {
j += 1;
character += 1;
c = s.charAt(j);
switch (c) {
case xquote:
warningAt("Bad HTML string", line, character + j);
break;
case '\\':
case '\'':
case '"':
case '/':
break;
case 'b':
c = '\b';
break;
case 'f':
c = '\f';
break;
case 'n':
c = '\n';
break;
case 'r':
c = '\r';
break;
case 't':
c = '\t';
break;
case 'u':
esc(4);
break;
case 'v':
c = '\v';
break;
case 'x':
if (jsonmode) {
warningAt("Avoid \\x-.", line, character);
}
esc(2);
break;
default:
warningAt("Bad escapement.", line, character);
}
}
}
r += c;
character += 1;
j += 1;
}
}
for (;;) {
if (!s) {
return it(nextLine() ? '(endline)' : '(end)', '');
}
while (xmode === 'outer') {
i = s.search(ox);
if (i === 0) {
break;
} else if (i > 0) {
character += 1;
s = s.slice(i);
break;
} else {
if (!nextLine()) {
return it('(end)', '');
}
}
}
t = match(rx[xmode] || tx);
if (!t) {
t = '';
c = '';