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fulljslint.js

fulljslint.js 183 KB
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
  1. // jslint.js
    2. 

  2. // 2009-08-01
    3. 

  3. 

  4. /*
    5. 

  5. Copyright (c) 2002 Douglas Crockford  (www.JSLint.com)
    6. 

  6. 

  7. Permission is hereby granted, free of charge, to any person obtaining a copy of
    8. 

  8. this software and associated documentation files (the "Software"), to deal in
    9. 

  9. the Software without restriction, including without limitation the rights to
    10. 

  10. use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
    11. 

  11. of the Software, and to permit persons to whom the Software is furnished to do
    12. 

  12. so, subject to the following conditions:
    13. 

  13. 

  14. The above copyright notice and this permission notice shall be included in all
    15. 

  15. copies or substantial portions of the Software.
    16. 

  16. 

  17. The Software shall be used for Good, not Evil.
    18. 

  18. 

  19. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    20. 

  20. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    21. 

  21. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    22. 

  22. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    23. 

  23. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    24. 

  24. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    25. 

  25. SOFTWARE.
    26. 

  26. */
    27. 

  27. 

  28. /*
    29. 

  29.     JSLINT is a global function. It takes two parameters.
    30. 

  30. 

  31.         var myResult = JSLINT(source, option);
    32. 

  32. 

  33.     The first parameter is either a string or an array of strings. If it is a
    34. 

  34.     string, it will be split on '\n' or '\r'. If it is an array of strings, it
    35. 

  35.     is assumed that each string represents one line. The source can be a
    36. 

  36.     JavaScript text, or HTML text, or a Konfabulator text.
    37. 

  37. 

  38.     The second parameter is an optional object of options which control the
    39. 

  39.     operation of JSLINT. Most of the options are booleans: They are all are
    40. 

  40.     optional and have a default value of false.
    41. 

  41. 

  42.     If it checks out, JSLINT returns true. Otherwise, it returns false.
    43. 

  43. 

  44.     If false, you can inspect JSLINT.errors to find out the problems.
    45. 

  45.     JSLINT.errors is an array of objects containing these members:
    46. 

  46. 

  47.     {
    48. 

  48.         line      : The line (relative to 0) at which the lint was found
    49. 

  49.         character : The character (relative to 0) at which the lint was found
    50. 

  50.         reason    : The problem
    51. 

  51.         evidence  : The text line in which the problem occurred
    52. 

  52.         raw       : The raw message before the details were inserted
    53. 

  53.         a         : The first detail
    54. 

  54.         b         : The second detail
    55. 

  55.         c         : The third detail
    56. 

  56.         d         : The fourth detail
    57. 

  57.     }
    58. 

  58. 

  59.     If a fatal error was found, a null will be the last element of the
    60. 

  60.     JSLINT.errors array.
    61. 

  61. 

  62.     You can request a Function Report, which shows all of the functions
    63. 

  63.     and the parameters and vars that they use. This can be used to find
    64. 

  64.     implied global variables and other problems. The report is in HTML and
    65. 

  65.     can be inserted in an HTML <body>.
    66. 

  66. 

  67.         var myReport = JSLINT.report(limited);
    68. 

  68. 

  69.     If limited is true, then the report will be limited to only errors.
    70. 

  70. 

  71.     You can request a data structure which contains JSLint's results.
    72. 

  72. 

  73.         var myData = JSLINT.data();
    74. 

  74. 

  75.     It returns a structure with this form:
    76. 

  76. 

  77.     {
    78. 

  78.         errors: [
    79. 

  79.             {
    80. 

  80.                 line: NUMBER,
    81. 

  81.                 character: NUMBER,
    82. 

  82.                 reason: STRING,
    83. 

  83.                 evidence: STRING
    84. 

  84.             }
    85. 

  85.         ],
    86. 

  86.         functions: [
    87. 

  87.             name: STRING,
    88. 

  88.             line: NUMBER,
    89. 

  89.             last: NUMBER,
    90. 

  90.             param: [
    91. 

  91.                 STRING
    92. 

  92.             ],
    93. 

  93.             closure: [
    94. 

  94.                 STRING
    95. 

  95.             ],
    96. 

  96.             var: [
    97. 

  97.                 STRING
    98. 

  98.             ],
    99. 

  99.             exception: [
    100. 

  100.                 STRING
    101. 

  101.             ],
    102. 

  102.             outer: [
    103. 

  103.                 STRING
    104. 

  104.             ],
    105. 

  105.             unused: [
    106. 

  106.                 STRING
    107. 

  107.             ],
    108. 

  108.             global: [
    109. 

  109.                 STRING
    110. 

  110.             ],
    111. 

  111.             label: [
    112. 

  112.                 STRING
    113. 

  113.             ]
    114. 

  114.         ],
    115. 

  115.         globals: [
    116. 

  116.             STRING
    117. 

  117.         ],
    118. 

  118.         member: {
    119. 

  119.             STRING: NUMBER
    120. 

  120.         },
    121. 

  121.         unuseds: [
    122. 

  122.             {
    123. 

  123.                 name: STRING,
    124. 

  124.                 line: NUMBER
    125. 

  125.             }
    126. 

  126.         ],
    127. 

  127.         implieds: [
    128. 

  128.             {
    129. 

  129.                 name: STRING,
    130. 

  130.                 line: NUMBER
    131. 

  131.             }
    132. 

  132.         ],
    133. 

  133.         urls: [
    134. 

  134.             STRING
    135. 

  135.         ],
    136. 

  136.         json: BOOLEAN
    137. 

  137.     }
    138. 

  138. 

  139.     Empty arrays will not be included.
    140. 

  140. 

  141. */
    142. 

  142. 

  143. /*jslint
    144. 

  144.     evil: true, nomen: false, onevar: false, regexp: false, strict: true
    145. 

  145. */
    146. 

  146. 

  147. /*members "\b", "\t", "\n", "\f", "\r", "\"", "%", "(begin)",
    148. 

  148.     "(breakage)", "(context)", "(error)", "(global)", "(identifier)",
    149. 

  149.     "(last)", "(line)", "(loopage)", "(name)", "(onevar)", "(param)",
    150. 

  150.     "(params)", "(scope)", "(verb)", "++", "--", "\/", ADSAFE, Array,
    151. 

  151.     Boolean, COM, Canvas, CustomAnimation, Date, Debug, E, Error, EvalError,
    152. 

  152.     FadeAnimation, Flash, FormField, Frame, Function, HotKey, Image, JSON,
    153. 

  153.     LN10, LN2, LOG10E, LOG2E, MAX_VALUE, MIN_VALUE, Math, MenuItem,
    154. 

  154.     MoveAnimation, NEGATIVE_INFINITY, Number, Object, Option, PI,
    155. 

  155.     POSITIVE_INFINITY, Point, RangeError, Rectangle, ReferenceError, RegExp,
    156. 

  156.     ResizeAnimation, RotateAnimation, SQRT1_2, SQRT2, ScrollBar, String,
    157. 

  157.     Style, SyntaxError, System, Text, TextArea, Timer, TypeError, URIError,
    158. 

  158.     URL, Web, Window, XMLDOM, XMLHttpRequest, "\\", a, abbr, acronym,
    159. 

  159.     addEventListener, address, adsafe, alert, aliceblue, animator,
    160. 

  160.     antiquewhite, appleScript, applet, apply, approved, aqua, aquamarine,
    161. 

  161.     area, arguments, arity, autocomplete, azure, b, background,
    162. 

  162.     "background-attachment", "background-color", "background-image",
    163. 

  163.     "background-position", "background-repeat", base, bdo, beep, beige, big,
    164. 

  164.     bisque, bitwise, black, blanchedalmond, block, blockquote, blue,
    165. 

  165.     blueviolet, blur, body, border, "border-bottom", "border-bottom-color",
    166. 

  166.     "border-bottom-style", "border-bottom-width", "border-collapse",
    167. 

  167.     "border-color", "border-left", "border-left-color", "border-left-style",
    168. 

  168.     "border-left-width", "border-right", "border-right-color",
    169. 

  169.     "border-right-style", "border-right-width", "border-spacing",
    170. 

  170.     "border-style", "border-top", "border-top-color", "border-top-style",
    171. 

  171.     "border-top-width", "border-width", bottom, br, brown, browser,
    172. 

  172.     burlywood, button, bytesToUIString, c, cadetblue, call, callee, caller,
    173. 

  173.     canvas, cap, caption, "caption-side", cases, center, charAt, charCodeAt,
    174. 

  174.     character, chartreuse, chocolate, chooseColor, chooseFile, chooseFolder,
    175. 

  175.     cite, clear, clearInterval, clearTimeout, clip, close, closeWidget,
    176. 

  176.     closed, closure, cm, code, col, colgroup, color, comment, condition,
    177. 

  177.     confirm, console, constructor, content, convertPathToHFS,
    178. 

  178.     convertPathToPlatform, coral, cornflowerblue, cornsilk,
    179. 

  179.     "counter-increment", "counter-reset", create, crimson, css, cursor,
    180. 

  180.     cyan, d, darkblue, darkcyan, darkgoldenrod, darkgray, darkgreen,
    181. 

  181.     darkkhaki, darkmagenta, darkolivegreen, darkorange, darkorchid, darkred,
    182. 

  182.     darksalmon, darkseagreen, darkslateblue, darkslategray, darkturquoise,
    183. 

  183.     darkviolet, data, dd, debug, decodeURI, decodeURIComponent, deeppink,
    184. 

  184.     deepskyblue, defaultStatus, defineClass, del, deserialize, dfn,
    185. 

  185.     dimension, dimgray, dir, direction, display, div, dl, document,
    186. 

  186.     dodgerblue, dt, edition, else, em, embed, empty, "empty-cells",
    187. 

  187.     encodeURI, encodeURIComponent, entityify, eqeqeq, errors, escape, eval,
    188. 

  188.     event, evidence, evil, ex, exception, exec, exps, fieldset, filesystem,
    189. 

  189.     firebrick, first, float, floor, floralwhite, focus, focusWidget, font,
    190. 

  190.     "font-face", "font-family", "font-size", "font-size-adjust",
    191. 

  191.     "font-stretch", "font-style", "font-variant", "font-weight",
    192. 

  192.     forestgreen, forin, form, fragment, frame, frames, frameset, from,
    193. 

  193.     fromCharCode, fuchsia, fud, funct, function, functions, g, gainsboro,
    194. 

  194.     gc, getComputedStyle, ghostwhite, global, globals, gold, goldenrod,
    195. 

  195.     gray, green, greenyellow, h1, h2, h3, h4, h5, h6, hasOwnProperty, head,
    196. 

  196.     height, help, history, honeydew, hotpink, hr, html, i, iTunes, id,
    197. 

  197.     identifier, iframe, img, immed, implieds, import, in, include, indent,
    198. 

  198.     indexOf, indianred, indigo, init, input, ins, isAlpha,
    199. 

  199.     isApplicationRunning, isDigit, isFinite, isNaN, ivory, join, json, kbd,
    200. 

  200.     khaki, konfabulatorVersion, label, labelled, lang, last, lavender,
    201. 

  201.     lavenderblush, lawngreen, laxbreak, lbp, led, left, legend,
    202. 

  202.     lemonchiffon, length, "letter-spacing", li, lib, lightblue, lightcoral,
    203. 

  203.     lightcyan, lightgoldenrodyellow, lightgreen, lightpink, lightsalmon,
    204. 

  204.     lightseagreen, lightskyblue, lightslategray, lightsteelblue,
    205. 

  205.     lightyellow, lime, limegreen, line, "line-height", linen, link,
    206. 

  206.     "list-style", "list-style-image", "list-style-position",
    207. 

  207.     "list-style-type", load, loadClass, location, log, m, magenta, map,
    208. 

  208.     margin, "margin-bottom", "margin-left", "margin-right", "margin-top",
    209. 

  209.     "marker-offset", maroon, match, "max-height", "max-width", md5, media,
    210. 

  210.     mediumaquamarine, mediumblue, mediumorchid, mediumpurple,
    211. 

  211.     mediumseagreen, mediumslateblue, mediumspringgreen, mediumturquoise,
    212. 

  212.     mediumvioletred, member, menu, message, meta, midnightblue,
    213. 

  213.     "min-height", "min-width", mintcream, mistyrose, mm, moccasin, moveBy,
    214. 

  214.     moveTo, name, navajowhite, navigator, navy, new, newcap, noframes,
    215. 

  215.     nomen, noscript, nud, object, ol, oldlace, olive, olivedrab, on, onblur,
    216. 

  216.     onerror, onevar, onfocus, onload, onresize, onunload, opacity, open,
    217. 

  217.     openURL, opener, opera, optgroup, option, orange, orangered, orchid,
    218. 

  218.     outer, outline, "outline-color", "outline-style", "outline-width",
    219. 

  219.     overflow, p, padding, "padding-bottom", "padding-left", "padding-right",
    220. 

  220.     "padding-top", page, "page-break-after", "page-break-before",
    221. 

  221.     palegoldenrod, palegreen, paleturquoise, palevioletred, papayawhip,
    222. 

  222.     param, params, parent, parseFloat, parseInt, passfail, pc, peachpuff,
    223. 

  223.     peru, pink, play, plum, plusplus, pop, popupMenu, position, powderblue,
    224. 

  224.     pre, predef, preferenceGroups, preferences, print, prompt, prototype,
    225. 

  225.     pt, purple, push, px, q, quit, quotes, random, range, raw, reach,
    226. 

  226.     readFile, readUrl, reason, red, regexp, reloadWidget,
    227. 

  227.     removeEventListener, replace, report, reserved, resizeBy, resizeTo,
    228. 

  228.     resolvePath, resumeUpdates, rhino, right, rosybrown, royalblue,
    229. 

  229.     runCommand, runCommandInBg, saddlebrown, safe, salmon, samp, sandybrown,
    230. 

  230.     saveAs, savePreferences, screen, script, scroll, scrollBy, scrollTo,
    231. 

  231.     seagreen, seal, search, seashell, select, serialize, setInterval,
    232. 

  232.     setTimeout, shift, showWidgetPreferences, sidebar, sienna, silver,
    233. 

  233.     skyblue, slateblue, slategray, sleep, slice, small, snow, sort, span,
    234. 

  234.     spawn, speak, split, springgreen, src, status, steelblue, strict,
    235. 

  235.     strong, style, styleproperty, sub, substr, sup, supplant,
    236. 

  236.     suppressUpdates, sync, system, table, "table-layout", tan, tbody, td,
    237. 

  237.     teal, tellWidget, test, "text-align", "text-decoration", "text-indent",
    238. 

  238.     "text-shadow", "text-transform", textarea, tfoot, th, thead, thistle,
    239. 

  239.     title, toLowerCase, toString, toUpperCase, toint32, token, tomato, top,
    240. 

  240.     tr, tt, turquoise, type, u, ul, undef, unescape, "unicode-bidi", unused,
    241. 

  241.     unwatch, updateNow, urls, value, valueOf, var, version,
    242. 

  242.     "vertical-align", violet, visibility, watch, wheat, white,
    243. 

  243.     "white-space", whitesmoke, widget, width, "word-spacing",
    244. 

  244.     yahooCheckLogin, yahooLogin, yahooLogout, yellow, yellowgreen,
    245. 

  245.     "z-index"
    246. 

  246. */
    247. 

  247. 

  248. 

  249. 

  250. // We build the application inside a function so that we produce only a single
    251. 

  251. // global variable. The function will be invoked, its return value is the JSLINT
    252. 

  252. // application itself.
    253. 

  253. 

  254. "use strict";
    255. 

  255. 

  256. var JSLINT = (function () {
    257. 

  257.     var adsafe_id,      // The widget's ADsafe id.
    258. 

  258.         adsafe_may,     // The widget may load approved scripts.
    259. 

  259.         adsafe_went,    // ADSAFE.go has been called.
    260. 

  260.         anonname,       // The guessed name for anonymous functions.
    261. 

  261.         approved,       // ADsafe approved urls.
    262. 

  262. 

  263.         atrule = {
    264. 

  264.             'import'   : true,
    265. 

  265.             media      : true,
    266. 

  266.             'font-face': true,
    267. 

  267.             page       : true
    268. 

  268.         },
    269. 

  269. 

  270. // These are members that should not be permitted in the safe subset.
    271. 

  271. 

  272.         banned = {              // the member names that ADsafe prohibits.
    273. 

  273.             'arguments'     : true,
    274. 

  274.             callee          : true,
    275. 

  275.             caller          : true,
    276. 

  276.             constructor     : true,
    277. 

  277.             'eval'          : true,
    278. 

  278.             prototype       : true,
    279. 

  279.             unwatch         : true,
    280. 

  280.             valueOf         : true,
    281. 

  281.             watch           : true
    282. 

  282.         },
    283. 

  283. 

  284. 

  285. // These are the JSLint boolean options.
    286. 

  286. 

  287.         boolOptions = {
    288. 

  288.             adsafe     : true, // if ADsafe should be enforced
    289. 

  289.             bitwise    : true, // if bitwise operators should not be allowed
    290. 

  290.             browser    : true, // if the standard browser globals should be predefined
    291. 

  291.             cap        : true, // if upper case HTML should be allowed
    292. 

  292.             css        : true, // if CSS workarounds should be tolerated
    293. 

  293.             debug      : true, // if debugger statements should be allowed
    294. 

  294.             eqeqeq     : true, // if === should be required
    295. 

  295.             evil       : true, // if eval should be allowed
    296. 

  296.             forin      : true, // if for in statements must filter
    297. 

  297.             fragment   : true, // if HTML fragments should be allowed
    298. 

  298.             immed      : true, // if immediate invocations must be wrapped in parens
    299. 

  299.             laxbreak   : true, // if line breaks should not be checked
    300. 

  300.             newcap     : true, // if constructor names must be capitalized
    301. 

  301.             nomen      : true, // if names should be checked
    302. 

  302.             on         : true, // if HTML event handlers should be allowed
    303. 

  303.             onevar     : true, // if only one var statement per function should be allowed
    304. 

  304.             passfail   : true, // if the scan should stop on first error
    305. 

  305.             plusplus   : true, // if increment/decrement should not be allowed
    306. 

  306.             regexp     : true, // if the . should not be allowed in regexp literals
    307. 

  307.             rhino      : true, // if the Rhino environment globals should be predefined
    308. 

  308.             undef      : true, // if variables should be declared before used
    309. 

  309.             safe       : true, // if use of some browser features should be restricted
    310. 

  310.             sidebar    : true, // if the System object should be predefined
    311. 

  311.             strict     : true, // require the "use strict"; pragma
    312. 

  312.             sub        : true, // if all forms of subscript notation are tolerated
    313. 

  313.             white      : true, // if strict whitespace rules apply
    314. 

  314.             widget     : true  // if the Yahoo Widgets globals should be predefined
    315. 

  315.         },
    316. 

  316. 

  317. // browser contains a set of global names which are commonly provided by a
    318. 

  318. // web browser environment.
    319. 

  319. 

  320.         browser = {
    321. 

  321.             addEventListener: false,
    322. 

  322.             alert           : false,
    323. 

  323.             blur            : false,
    324. 

  324.             clearInterval   : false,
    325. 

  325.             clearTimeout    : false,
    326. 

  326.             close           : false,
    327. 

  327.             closed          : false,
    328. 

  328.             confirm         : false,
    329. 

  329.             console         : false,
    330. 

  330.             Debug           : false,
    331. 

  331.             defaultStatus   : false,
    332. 

  332.             document        : false,
    333. 

  333.             event           : false,
    334. 

  334.             focus           : false,
    335. 

  335.             frames          : false,
    336. 

  336.             getComputedStyle: false,
    337. 

  337.             history         : false,
    338. 

  338.             Image           : false,
    339. 

  339.             length          : false,
    340. 

  340.             location        : false,
    341. 

  341.             moveBy          : false,
    342. 

  342.             moveTo          : false,
    343. 

  343.             name            : false,
    344. 

  344.             navigator       : false,
    345. 

  345.             onblur          : true,
    346. 

  346.             onerror         : true,
    347. 

  347.             onfocus         : true,
    348. 

  348.             onload          : true,
    349. 

  349.             onresize        : true,
    350. 

  350.             onunload        : true,
    351. 

  351.             open            : false,
    352. 

  352.             opener          : false,
    353. 

  353.             opera           : false,
    354. 

  354.             Option          : false,
    355. 

  355.             parent          : false,
    356. 

  356.             print           : false,
    357. 

  357.             prompt          : false,
    358. 

  358.             removeEventListener: false,
    359. 

  359.             resizeBy        : false,
    360. 

  360.             resizeTo        : false,
    361. 

  361.             screen          : false,
    362. 

  362.             scroll          : false,
    363. 

  363.             scrollBy        : false,
    364. 

  364.             scrollTo        : false,
    365. 

  365.             setInterval     : false,
    366. 

  366.             setTimeout      : false,
    367. 

  367.             status          : false,
    368. 

  368.             top             : false,
    369. 

  369.             XMLHttpRequest  : false
    370. 

  370.         },
    371. 

  371. 

  372.         cssAttributeData,
    373. 

  373.         cssAny,
    374. 

  374. 

  375.         cssColorData = {
    376. 

  376.             "aliceblue"             : true,
    377. 

  377.             "antiquewhite"          : true,
    378. 

  378.             "aqua"                  : true,
    379. 

  379.             "aquamarine"            : true,
    380. 

  380.             "azure"                 : true,
    381. 

  381.             "beige"                 : true,
    382. 

  382.             "bisque"                : true,
    383. 

  383.             "black"                 : true,
    384. 

  384.             "blanchedalmond"        : true,
    385. 

  385.             "blue"                  : true,
    386. 

  386.             "blueviolet"            : true,
    387. 

  387.             "brown"                 : true,
    388. 

  388.             "burlywood"             : true,
    389. 

  389.             "cadetblue"             : true,
    390. 

  390.             "chartreuse"            : true,
    391. 

  391.             "chocolate"             : true,
    392. 

  392.             "coral"                 : true,
    393. 

  393.             "cornflowerblue"        : true,
    394. 

  394.             "cornsilk"              : true,
    395. 

  395.             "crimson"               : true,
    396. 

  396.             "cyan"                  : true,
    397. 

  397.             "darkblue"              : true,
    398. 

  398.             "darkcyan"              : true,
    399. 

  399.             "darkgoldenrod"         : true,
    400. 

  400.             "darkgray"              : true,
    401. 

  401.             "darkgreen"             : true,
    402. 

  402.             "darkkhaki"             : true,
    403. 

  403.             "darkmagenta"           : true,
    404. 

  404.             "darkolivegreen"        : true,
    405. 

  405.             "darkorange"            : true,
    406. 

  406.             "darkorchid"            : true,
    407. 

  407.             "darkred"               : true,
    408. 

  408.             "darksalmon"            : true,
    409. 

  409.             "darkseagreen"          : true,
    410. 

  410.             "darkslateblue"         : true,
    411. 

  411.             "darkslategray"         : true,
    412. 

  412.             "darkturquoise"         : true,
    413. 

  413.             "darkviolet"            : true,
    414. 

  414.             "deeppink"              : true,
    415. 

  415.             "deepskyblue"           : true,
    416. 

  416.             "dimgray"               : true,
    417. 

  417.             "dodgerblue"            : true,
    418. 

  418.             "firebrick"             : true,
    419. 

  419.             "floralwhite"           : true,
    420. 

  420.             "forestgreen"           : true,
    421. 

  421.             "fuchsia"               : true,
    422. 

  422.             "gainsboro"             : true,
    423. 

  423.             "ghostwhite"            : true,
    424. 

  424.             "gold"                  : true,
    425. 

  425.             "goldenrod"             : true,
    426. 

  426.             "gray"                  : true,
    427. 

  427.             "green"                 : true,
    428. 

  428.             "greenyellow"           : true,
    429. 

  429.             "honeydew"              : true,
    430. 

  430.             "hotpink"               : true,
    431. 

  431.             "indianred"             : true,
    432. 

  432.             "indigo"                : true,
    433. 

  433.             "ivory"                 : true,
    434. 

  434.             "khaki"                 : true,
    435. 

  435.             "lavender"              : true,
    436. 

  436.             "lavenderblush"         : true,
    437. 

  437.             "lawngreen"             : true,
    438. 

  438.             "lemonchiffon"          : true,
    439. 

  439.             "lightblue"             : true,
    440. 

  440.             "lightcoral"            : true,
    441. 

  441.             "lightcyan"             : true,
    442. 

  442.             "lightgoldenrodyellow"  : true,
    443. 

  443.             "lightgreen"            : true,
    444. 

  444.             "lightpink"             : true,
    445. 

  445.             "lightsalmon"           : true,
    446. 

  446.             "lightseagreen"         : true,
    447. 

  447.             "lightskyblue"          : true,
    448. 

  448.             "lightslategray"        : true,
    449. 

  449.             "lightsteelblue"        : true,
    450. 

  450.             "lightyellow"           : true,
    451. 

  451.             "lime"                  : true,
    452. 

  452.             "limegreen"             : true,
    453. 

  453.             "linen"                 : true,
    454. 

  454.             "magenta"               : true,
    455. 

  455.             "maroon"                : true,
    456. 

  456.             "mediumaquamarine"      : true,
    457. 

  457.             "mediumblue"            : true,
    458. 

  458.             "mediumorchid"          : true,
    459. 

  459.             "mediumpurple"          : true,
    460. 

  460.             "mediumseagreen"        : true,
    461. 

  461.             "mediumslateblue"       : true,
    462. 

  462.             "mediumspringgreen"     : true,
    463. 

  463.             "mediumturquoise"       : true,
    464. 

  464.             "mediumvioletred"       : true,
    465. 

  465.             "midnightblue"          : true,
    466. 

  466.             "mintcream"             : true,
    467. 

  467.             "mistyrose"             : true,
    468. 

  468.             "moccasin"              : true,
    469. 

  469.             "navajowhite"           : true,
    470. 

  470.             "navy"                  : true,
    471. 

  471.             "oldlace"               : true,
    472. 

  472.             "olive"                 : true,
    473. 

  473.             "olivedrab"             : true,
    474. 

  474.             "orange"                : true,
    475. 

  475.             "orangered"             : true,
    476. 

  476.             "orchid"                : true,
    477. 

  477.             "palegoldenrod"         : true,
    478. 

  478.             "palegreen"             : true,
    479. 

  479.             "paleturquoise"         : true,
    480. 

  480.             "palevioletred"         : true,
    481. 

  481.             "papayawhip"            : true,
    482. 

  482.             "peachpuff"             : true,
    483. 

  483.             "peru"                  : true,
    484. 

  484.             "pink"                  : true,
    485. 

  485.             "plum"                  : true,
    486. 

  486.             "powderblue"            : true,
    487. 

  487.             "purple"                : true,
    488. 

  488.             "red"                   : true,
    489. 

  489.             "rosybrown"             : true,
    490. 

  490.             "royalblue"             : true,
    491. 

  491.             "saddlebrown"           : true,
    492. 

  492.             "salmon"                : true,
    493. 

  493.             "sandybrown"            : true,
    494. 

  494.             "seagreen"              : true,
    495. 

  495.             "seashell"              : true,
    496. 

  496.             "sienna"                : true,
    497. 

  497.             "silver"                : true,
    498. 

  498.             "skyblue"               : true,
    499. 

  499.             "slateblue"             : true,
    500. 

  500.             "slategray"             : true,
    501. 

  501.             "snow"                  : true,
    502. 

  502.             "springgreen"           : true,
    503. 

  503.             "steelblue"             : true,
    504. 

  504.             "tan"                   : true,
    505. 

  505.             "teal"                  : true,
    506. 

  506.             "thistle"               : true,
    507. 

  507.             "tomato"                : true,
    508. 

  508.             "turquoise"             : true,
    509. 

  509.             "violet"                : true,
    510. 

  510.             "wheat"                 : true,
    511. 

  511.             "white"                 : true,
    512. 

  512.             "whitesmoke"            : true,
    513. 

  513.             "yellow"                : true,
    514. 

  514.             "yellowgreen"           : true
    515. 

  515.         },
    516. 

  516. 

  517.         cssBorderStyle,
    518. 

  518.         cssBreak,
    519. 

  519. 

  520.         cssLengthData = {
    521. 

  521.             '%': true,
    522. 

  522.             'cm': true,
    523. 

  523.             'em': true,
    524. 

  524.             'ex': true,
    525. 

  525.             'in': true,
    526. 

  526.             'mm': true,
    527. 

  527.             'pc': true,
    528. 

  528.             'pt': true,
    529. 

  529.             'px': true
    530. 

  530.         },
    531. 

  531. 

  532.         escapes = {
    533. 

  533.             '\b': '\\b',
    534. 

  534.             '\t': '\\t',
    535. 

  535.             '\n': '\\n',
    536. 

  536.             '\f': '\\f',
    537. 

  537.             '\r': '\\r',
    538. 

  538.             '"' : '\\"',
    539. 

  539.             '/' : '\\/',
    540. 

  540.             '\\': '\\\\'
    541. 

  541.         },
    542. 

  542. 

  543.         funct,          // The current function
    544. 

  544. 

  545.         functionicity = [
    546. 

  546.             'closure', 'exception', 'global', 'label',
    547. 

  547.             'outer', 'unused', 'var'
    548. 

  548.         ],
    549. 

  549. 

  550.         functions,      // All of the functions
    551. 

  551. 

  552.         global,         // The global scope
    553. 

  553.         htmltag = {
    554. 

  554.             a:        {},
    555. 

  555.             abbr:     {},
    556. 

  556.             acronym:  {},
    557. 

  557.             address:  {},
    558. 

  558.             applet:   {},
    559. 

  559.             area:     {empty: true, parent: ' map '},
    560. 

  560.             b:        {},
    561. 

  561.             base:     {empty: true, parent: ' head '},
    562. 

  562.             bdo:      {},
    563. 

  563.             big:      {},
    564. 

  564.             blockquote: {},
    565. 

  565.             body:     {parent: ' html noframes '},
    566. 

  566.             br:       {empty: true},
    567. 

  567.             button:   {},
    568. 

  568.             canvas:   {parent: ' body p div th td '},
    569. 

  569.             caption:  {parent: ' table '},
    570. 

  570.             center:   {},
    571. 

  571.             cite:     {},
    572. 

  572.             code:     {},
    573. 

  573.             col:      {empty: true, parent: ' table colgroup '},
    574. 

  574.             colgroup: {parent: ' table '},
    575. 

  575.             dd:       {parent: ' dl '},
    576. 

  576.             del:      {},
    577. 

  577.             dfn:      {},
    578. 

  578.             dir:      {},
    579. 

  579.             div:      {},
    580. 

  580.             dl:       {},
    581. 

  581.             dt:       {parent: ' dl '},
    582. 

  582.             em:       {},
    583. 

  583.             embed:    {},
    584. 

  584.             fieldset: {},
    585. 

  585.             font:     {},
    586. 

  586.             form:     {},
    587. 

  587.             frame:    {empty: true, parent: ' frameset '},
    588. 

  588.             frameset: {parent: ' html frameset '},
    589. 

  589.             h1:       {},
    590. 

  590.             h2:       {},
    591. 

  591.             h3:       {},
    592. 

  592.             h4:       {},
    593. 

  593.             h5:       {},
    594. 

  594.             h6:       {},
    595. 

  595.             head:     {parent: ' html '},
    596. 

  596.             html:     {parent: '*'},
    597. 

  597.             hr:       {empty: true},
    598. 

  598.             i:        {},
    599. 

  599.             iframe:   {},
    600. 

  600.             img:      {empty: true},
    601. 

  601.             input:    {empty: true},
    602. 

  602.             ins:      {},
    603. 

  603.             kbd:      {},
    604. 

  604.             label:    {},
    605. 

  605.             legend:   {parent: ' fieldset '},
    606. 

  606.             li:       {parent: ' dir menu ol ul '},
    607. 

  607.             link:     {empty: true, parent: ' head '},
    608. 

  608.             map:      {},
    609. 

  609.             menu:     {},
    610. 

  610.             meta:     {empty: true, parent: ' head noframes noscript '},
    611. 

  611.             noframes: {parent: ' html body '},
    612. 

  612.             noscript: {parent: ' body head noframes '},
    613. 

  613.             object:   {},
    614. 

  614.             ol:       {},
    615. 

  615.             optgroup: {parent: ' select '},
    616. 

  616.             option:   {parent: ' optgroup select '},
    617. 

  617.             p:        {},
    618. 

  618.             param:    {empty: true, parent: ' applet object '},
    619. 

  619.             pre:      {},
    620. 

  620.             q:        {},
    621. 

  621.             samp:     {},
    622. 

  622.             script:   {empty: true, parent: ' body div frame head iframe p pre span '},
    623. 

  623.             select:   {},
    624. 

  624.             small:    {},
    625. 

  625.             span:     {},
    626. 

  626.             strong:   {},
    627. 

  627.             style:    {parent: ' head ', empty: true},
    628. 

  628.             sub:      {},
    629. 

  629.             sup:      {},
    630. 

  630.             table:    {},
    631. 

  631.             tbody:    {parent: ' table '},
    632. 

  632.             td:       {parent: ' tr '},
    633. 

  633.             textarea: {},
    634. 

  634.             tfoot:    {parent: ' table '},
    635. 

  635.             th:       {parent: ' tr '},
    636. 

  636.             thead:    {parent: ' table '},
    637. 

  637.             title:    {parent: ' head '},
    638. 

  638.             tr:       {parent: ' table tbody thead tfoot '},
    639. 

  639.             tt:       {},
    640. 

  640.             u:        {},
    641. 

  641.             ul:       {},
    642. 

  642.             'var':    {}
    643. 

  643.         },
    644. 

  644. 

  645.         ids,            // HTML ids
    646. 

  646.         implied,        // Implied globals
    647. 

  647.         inblock,
    648. 

  648.         indent,
    649. 

  649.         jsonmode,
    650. 

  650.         lines,
    651. 

  651.         lookahead,
    652. 

  652.         member,
    653. 

  653.         membersOnly,
    654. 

  654.         nexttoken,
    655. 

  655.         noreach,
    656. 

  656.         option,
    657. 

  657.         predefined,     // Global variables defined by option
    658. 

  658.         prereg,
    659. 

  659.         prevtoken,
    660. 

  660. 

  661.         rhino = {
    662. 

  662.             defineClass : false,
    663. 

  663.             deserialize : false,
    664. 

  664.             gc          : false,
    665. 

  665.             help        : false,
    666. 

  666.             load        : false,
    667. 

  667.             loadClass   : false,
    668. 

  668.             print       : false,
    669. 

  669.             quit        : false,
    670. 

  670.             readFile    : false,
    671. 

  671.             readUrl     : false,
    672. 

  672.             runCommand  : false,
    673. 

  673.             seal        : false,
    674. 

  674.             serialize   : false,
    675. 

  675.             spawn       : false,
    676. 

  676.             sync        : false,
    677. 

  677.             toint32     : false,
    678. 

  678.             version     : false
    679. 

  679.         },
    680. 

  680. 

  681.         scope,      // The current scope
    682. 

  682. 

  683.         sidebar = {
    684. 

  684.             System      : false
    685. 

  685.         },
    686. 

  686. 

  687.         src,
    688. 

  688.         stack,
    689. 

  689. 

  690. // standard contains the global names that are provided by the
    691. 

  691. // ECMAScript standard.
    692. 

  692. 

  693.         standard = {
    694. 

  694.             Array               : false,
    695. 

  695.             Boolean             : false,
    696. 

  696.             Date                : false,
    697. 

  697.             decodeURI           : false,
    698. 

  698.             decodeURIComponent  : false,
    699. 

  699.             encodeURI           : false,
    700. 

  700.             encodeURIComponent  : false,
    701. 

  701.             Error               : false,
    702. 

  702.             'eval'              : false,
    703. 

  703.             EvalError           : false,
    704. 

  704.             Function            : false,
    705. 

  705.             hasOwnProperty      : false,
    706. 

  706.             isFinite            : false,
    707. 

  707.             isNaN               : false,
    708. 

  708.             JSON                : false,
    709. 

  709.             Math                : false,
    710. 

  710.             Number              : false,
    711. 

  711.             Object              : false,
    712. 

  712.             parseInt            : false,
    713. 

  713.             parseFloat          : false,
    714. 

  714.             RangeError          : false,
    715. 

  715.             ReferenceError      : false,
    716. 

  716.             RegExp              : false,
    717. 

  717.             String              : false,
    718. 

  718.             SyntaxError         : false,
    719. 

  719.             TypeError           : false,
    720. 

  720.             URIError            : false
    721. 

  721.         },
    722. 

  722. 

  723.         standard_member = {
    724. 

  724.             E                   : true,
    725. 

  725.             LN2                 : true,
    726. 

  726.             LN10                : true,
    727. 

  727.             LOG2E               : true,
    728. 

  728.             LOG10E              : true,
    729. 

  729.             PI                  : true,
    730. 

  730.             SQRT1_2             : true,
    731. 

  731.             SQRT2               : true,
    732. 

  732.             MAX_VALUE           : true,
    733. 

  733.             MIN_VALUE           : true,
    734. 

  734.             NEGATIVE_INFINITY   : true,
    735. 

  735.             POSITIVE_INFINITY   : true
    736. 

  736.         },
    737. 

  737. 

  738.         syntax = {},
    739. 

  739.         tab,
    740. 

  740.         token,
    741. 

  741.         urls,
    742. 

  742.         warnings,
    743. 

  743. 

  744. // widget contains the global names which are provided to a Yahoo
    745. 

  745. // (fna Konfabulator) widget.
    746. 

  746. 

  747.         widget = {
    748. 

  748.             alert                   : true,
    749. 

  749.             animator                : true,
    750. 

  750.             appleScript             : true,
    751. 

  751.             beep                    : true,
    752. 

  752.             bytesToUIString         : true,
    753. 

  753.             Canvas                  : true,
    754. 

  754.             chooseColor             : true,
    755. 

  755.             chooseFile              : true,
    756. 

  756.             chooseFolder            : true,
    757. 

  757.             closeWidget             : true,
    758. 

  758.             COM                     : true,
    759. 

  759.             convertPathToHFS        : true,
    760. 

  760.             convertPathToPlatform   : true,
    761. 

  761.             CustomAnimation         : true,
    762. 

  762.             escape                  : true,
    763. 

  763.             FadeAnimation           : true,
    764. 

  764.             filesystem              : true,
    765. 

  765.             Flash                   : true,
    766. 

  766.             focusWidget             : true,
    767. 

  767.             form                    : true,
    768. 

  768.             FormField               : true,
    769. 

  769.             Frame                   : true,
    770. 

  770.             HotKey                  : true,
    771. 

  771.             Image                   : true,
    772. 

  772.             include                 : true,
    773. 

  773.             isApplicationRunning    : true,
    774. 

  774.             iTunes                  : true,
    775. 

  775.             konfabulatorVersion     : true,
    776. 

  776.             log                     : true,
    777. 

  777.             md5                     : true,
    778. 

  778.             MenuItem                : true,
    779. 

  779.             MoveAnimation           : true,
    780. 

  780.             openURL                 : true,
    781. 

  781.             play                    : true,
    782. 

  782.             Point                   : true,
    783. 

  783.             popupMenu               : true,
    784. 

  784.             preferenceGroups        : true,
    785. 

  785.             preferences             : true,
    786. 

  786.             print                   : true,
    787. 

  787.             prompt                  : true,
    788. 

  788.             random                  : true,
    789. 

  789.             Rectangle               : true,
    790. 

  790.             reloadWidget            : true,
    791. 

  791.             ResizeAnimation         : true,
    792. 

  792.             resolvePath             : true,
    793. 

  793.             resumeUpdates           : true,
    794. 

  794.             RotateAnimation         : true,
    795. 

  795.             runCommand              : true,
    796. 

  796.             runCommandInBg          : true,
    797. 

  797.             saveAs                  : true,
    798. 

  798.             savePreferences         : true,
    799. 

  799.             screen                  : true,
    800. 

  800.             ScrollBar               : true,
    801. 

  801.             showWidgetPreferences   : true,
    802. 

  802.             sleep                   : true,
    803. 

  803.             speak                   : true,
    804. 

  804.             Style                   : true,
    805. 

  805.             suppressUpdates         : true,
    806. 

  806.             system                  : true,
    807. 

  807.             tellWidget              : true,
    808. 

  808.             Text                    : true,
    809. 

  809.             TextArea                : true,
    810. 

  810.             Timer                   : true,
    811. 

  811.             unescape                : true,
    812. 

  812.             updateNow               : true,
    813. 

  813.             URL                     : true,
    814. 

  814.             Web                     : true,
    815. 

  815.             widget                  : true,
    816. 

  816.             Window                  : true,
    817. 

  817.             XMLDOM                  : true,
    818. 

  818.             XMLHttpRequest          : true,
    819. 

  819.             yahooCheckLogin         : true,
    820. 

  820.             yahooLogin              : true,
    821. 

  821.             yahooLogout             : true
    822. 

  822.         },
    823. 

  823. 

  824. //  xmode is used to adapt to the exceptions in html parsing.
    825. 

  825. //  It can have these states:
    826. 

  826. //      false   .js script file
    827. 

  827. //      html
    828. 

  828. //      outer
    829. 

  829. //      script
    830. 

  830. //      style
    831. 

  831. //      scriptstring
    832. 

  832. //      styleproperty
    833. 

  833. 

  834.         xmode,
    835. 

  835.         xquote,
    836. 

  836. 

  837. // unsafe comment or string
    838. 

  838.         ax = /@cc|<\/?|script|\]*s\]|<\s*!|&lt/i,
    839. 

  839. // unsafe characters that are silently deleted by one or more browsers
    840. 

  840.         cx = /[\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/,
    841. 

  841. // token
    842. 

  842.         tx = /^\s*([(){}\[.,:;'"~\?\]#@]|==?=?|\/(\*(jslint|members?|global)?|=|\/)?|\*[\/=]?|\+[+=]?|-[\-=]?|%=?|&[&=]?|\|[|=]?|>>?>?=?|<([\/=!]|\!(\[|--)?|<=?)?|\^=?|\!=?=?|[a-zA-Z_$][a-zA-Z0-9_$]*|[0-9]+([xX][0-9a-fA-F]+|\.[0-9]*)?([eE][+\-]?[0-9]+)?)/,
    843. 

  843. // html token
    844. 

  844.         hx = /^\s*(['"=>\/&#]|<(?:\/|\!(?:--)?)?|[a-zA-Z][a-zA-Z0-9_\-]*|[0-9]+|--|.)/,
    845. 

  845. // characters in strings that need escapement
    846. 

  846.         nx = /[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/,
    847. 

  847.         nxg = /[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
    848. 

  848. // outer html token
    849. 

  849.         ox = /[>&]|<[\/!]?|--/,
    850. 

  850. // star slash
    851. 

  851.         lx = /\*\/|\/\*/,
    852. 

  852. // identifier
    853. 

  853.         ix = /^([a-zA-Z_$][a-zA-Z0-9_$]*)$/,
    854. 

  854. // javascript url
    855. 

  855.         jx = /^(?:javascript|jscript|ecmascript|vbscript|mocha|livescript)\s*:/i,
    856. 

  856. // url badness
    857. 

  857.         ux = /&|\+|\u00AD|\.\.|\/\*|%[^;]|base64|url|expression|data|mailto/i,
    858. 

  858. // style
    859. 

  859.         sx = /^\s*([{:#%.=,>+\[\]@()"';]|\*=?|\$=|\|=|\^=|~=|[a-zA-Z_][a-zA-Z0-9_\-]*|[0-9]+|<\/|\/\*)/,
    860. 

  860.         ssx = /^\s*([@#!"'};:\-%.=,+\[\]()*_]|[a-zA-Z][a-zA-Z0-9._\-]*|\/\*?|\d+(?:\.\d+)?|<\/)/,
    861. 

  861. // attributes characters
    862. 

  862.         qx = /[^a-zA-Z0-9-_\/ ]/,
    863. 

  863. // query characters for ids
    864. 

  864.         dx = /[\[\]\/\\"'*<>.&:(){}+=#]/,
    865. 

  865. 

  866.         rx = {
    867. 

  867.             outer: hx,
    868. 

  868.             html: hx,
    869. 

  869.             style: sx,
    870. 

  870.             styleproperty: ssx
    871. 

  871.         };
    872. 

  872. 

  873.     function F() {}
    874. 

  874. 

  875.     if (typeof Object.create !== 'function') {
    876. 

  876.         Object.create = function (o) {
    877. 

  877.             F.prototype = o;
    878. 

  878.             return new F();
    879. 

  879.         };
    880. 

  880.     }
    881. 

  881. 

  882. 

  883.     function is_own(object, name) {
    884. 

  884.         return Object.prototype.hasOwnProperty.call(object, name);
    885. 

  885.     }
    886. 

  886. 

  887. 

  888.     function combine(t, o) {
    889. 

  889.         var n;
    890. 

  890.         for (n in o) {
    891. 

  891.             if (is_own(o, n)) {
    892. 

  892.                 t[n] = o[n];
    893. 

  893.             }
    894. 

  894.         }
    895. 

  895.     }
    896. 

  896. 

  897.     String.prototype.entityify = function () {
    898. 

  898.         return this.
    899. 

  899.             replace(/&/g, '&amp;').
    900. 

  900.             replace(/</g, '&lt;').
    901. 

  901.             replace(/>/g, '&gt;');
    902. 

  902.     };
    903. 

  903. 

  904.     String.prototype.isAlpha = function () {
    905. 

  905.         return (this >= 'a' && this <= 'z\uffff') ||
    906. 

  906.             (this >= 'A' && this <= 'Z\uffff');
    907. 

  907.     };
    908. 

  908. 

  909. 

  910.     String.prototype.isDigit = function () {
    911. 

  911.         return (this >= '0' && this <= '9');
    912. 

  912.     };
    913. 

  913. 

  914. 

  915.     String.prototype.supplant = function (o) {
    916. 

  916.         return this.replace(/\{([^{}]*)\}/g, function (a, b) {
    917. 

  917.             var r = o[b];
    918. 

  918.             return typeof r === 'string' || typeof r === 'number' ? r : a;
    919. 

  919.         });
    920. 

  920.     };
    921. 

  921. 

  922.     String.prototype.name = function () {
    923. 

  923. 

  924. // If the string looks like an identifier, then we can return it as is.
    925. 

  925. // If the string contains no control characters, no quote characters, and no
    926. 

  926. // backslash characters, then we can simply slap some quotes around it.
    927. 

  927. // Otherwise we must also replace the offending characters with safe
    928. 

  928. // sequences.
    929. 

  929. 

  930.         if (ix.test(this)) {
    931. 

  931.             return this;
    932. 

  932.         }
    933. 

  933.         if (nx.test(this)) {
    934. 

  934.             return '"' + this.replace(nxg, function (a) {
    935. 

  935.                 var c = escapes[a];
    936. 

  936.                 if (c) {
    937. 

  937.                     return c;
    938. 

  938.                 }
    939. 

  939.                 return '\\u' + ('0000' + a.charCodeAt().toString(16)).slice(-4);
    940. 

  940.             }) + '"';
    941. 

  941.         }
    942. 

  942.         return '"' + this + '"';
    943. 

  943.     };
    944. 

  944. 

  945. 

  946.     function assume() {
    947. 

  947.         if (!option.safe) {
    948. 

  948.             if (option.rhino) {
    949. 

  949.                 combine(predefined, rhino);
    950. 

  950.             }
    951. 

  951.             if (option.browser || option.sidebar) {
    952. 

  952.                 combine(predefined, browser);
    953. 

  953.             }
    954. 

  954.             if (option.sidebar) {
    955. 

  955.                 combine(predefined, sidebar);
    956. 

  956.             }
    957. 

  957.             if (option.widget) {
    958. 

  958.                 combine(predefined, widget);
    959. 

  959.             }
    960. 

  960.         }
    961. 

  961.     }
    962. 

  962. 

  963. 

  964. // Produce an error warning.
    965. 

  965. 

  966.     function quit(m, l, ch) {
    967. 

  967.         throw {
    968. 

  968.             name: 'JSLintError',
    969. 

  969.             line: l,
    970. 

  970.             character: ch,
    971. 

  971.             message: m + " (" + Math.floor((l / lines.length) * 100) +
    972. 

  972.                     "% scanned)."
    973. 

  973.         };
    974. 

  974.     }
    975. 

  975. 

  976.     function warning(m, t, a, b, c, d) {
    977. 

  977.         var ch, l, w;
    978. 

  978.         t = t || nexttoken;
    979. 

  979.         if (t.id === '(end)') {  // `~
    980. 

  980.             t = token;
    981. 

  981.         }
    982. 

  982.         l = t.line || 0;
    983. 

  983.         ch = t.from || 0;
    984. 

  984.         w = {
    985. 

  985.             id: '(error)',
    986. 

  986.             raw: m,
    987. 

  987.             evidence: lines[l] || '',
    988. 

  988.             line: l,
    989. 

  989.             character: ch,
    990. 

  990.             a: a,
    991. 

  991.             b: b,
    992. 

  992.             c: c,
    993. 

  993.             d: d
    994. 

  994.         };
    995. 

  995.         w.reason = m.supplant(w);
    996. 

  996.         JSLINT.errors.push(w);
    997. 

  997.         if (option.passfail) {
    998. 

  998.             quit('Stopping. ', l, ch);
    999. 

  999.         }
    1000. 

  1000.         warnings += 1;
    1001. 

  1001.         /*if (warnings === 50) {
    1002. 

  1002.             quit("Too many errors.", l, ch);
    1003. 

  1003.         }*/
    1004. 

  1004.         return w;
    1005. 

  1005.     }
    1006. 

  1006. 

  1007.     function warningAt(m, l, ch, a, b, c, d) {
    1008. 

  1008.         return warning(m, {
    1009. 

  1009.             line: l,
    1010. 

  1010.             from: ch
    1011. 

  1011.         }, a, b, c, d);
    1012. 

  1012.     }
    1013. 

  1013. 

  1014.     function error(m, t, a, b, c, d) {
    1015. 

  1015.         var w = warning(m, t, a, b, c, d);
    1016. 

  1016.         quit("Stopping, unable to continue.", w.line, w.character);
    1017. 

  1017.     }
    1018. 

  1018. 

  1019.     function errorAt(m, l, ch, a, b, c, d) {
    1020. 

  1020.         return error(m, {
    1021. 

  1021.             line: l,
    1022. 

  1022.             from: ch
    1023. 

  1023.         }, a, b, c, d);
    1024. 

  1024.     }
    1025. 

  1025. 

  1026. 

  1027. 

  1028. // lexical analysis
    1029. 

  1029. 

  1030.     var lex = (function lex() {
    1031. 

  1031.         var character, from, line, s;
    1032. 

  1032. 

  1033. // Private lex methods
    1034. 

  1034. 

  1035.         function nextLine() {
    1036. 

  1036.             var at;
    1037. 

  1037.             if (line >= lines.length) {
    1038. 

  1038.                 return false;
    1039. 

  1039.             }
    1040. 

  1040.             character = 1;
    1041. 

  1041.             s = lines[line].replace(/\t/g, tab);
    1042. 

  1042.             line += 1;
    1043. 

  1043.             at = s.search(cx);
    1044. 

  1044.             if (at >= 0) {
    1045. 

  1045.                 warningAt("Unsafe character.", line, at);
    1046. 

  1046.             }
    1047. 

  1047.             return true;
    1048. 

  1048.         }
    1049. 

  1049. 

  1050. // Produce a token object.  The token inherits from a syntax symbol.
    1051. 

  1051. 

  1052.         function it(type, value) {
    1053. 

  1053.             var i, t;
    1054. 

  1054.             if (type === '(color)') {
    1055. 

  1055.                 t = {type: type};
    1056. 

  1056.             } else if (type === '(punctuator)' ||
    1057. 

  1057.                     (type === '(identifier)' && is_own(syntax, value))) {
    1058. 

  1058.                 t = syntax[value] || syntax['(error)'];
    1059. 

  1059.             } else {
    1060. 

  1060.                 t = syntax[type];
    1061. 

  1061.             }
    1062. 

  1062.             t = Object.create(t);
    1063. 

  1063.             if (type === '(string)' || type === '(range)') {
    1064. 

  1064.                 if (jx.test(value)) {
    1065. 

  1065.                     warningAt("Script URL.", line, from);
    1066. 

  1066.                 }
    1067. 

  1067.             }
    1068. 

  1068.             if (type === '(identifier)') {
    1069. 

  1069.                 t.identifier = true;
    1070. 

  1070.                 if (option.nomen && value.charAt(0) === '_') {
    1071. 

  1071.                     warningAt("Unexpected '_' in '{a}'.", line, from, value);
    1072. 

  1072.                 }
    1073. 

  1073.             }
    1074. 

  1074.             t.value = value;
    1075. 

  1075.             t.line = line;
    1076. 

  1076.             t.character = character;
    1077. 

  1077.             t.from = from;
    1078. 

  1078.             i = t.id;
    1079. 

  1079.             if (i !== '(endline)') {
    1080. 

  1080.                 prereg = i &&
    1081. 

  1081.                         (('(,=:[!&|?{};'.indexOf(i.charAt(i.length - 1)) >= 0) ||
    1082. 

  1082.                         i === 'return');
    1083. 

  1083.             }
    1084. 

  1084.             return t;
    1085. 

  1085.         }
    1086. 

  1086. 

  1087. // Public lex methods
    1088. 

  1088. 

  1089.         return {
    1090. 

  1090.             init: function (source) {
    1091. 

  1091.                 if (typeof source === 'string') {
    1092. 

  1092.                     lines = source.
    1093. 

  1093.                         replace(/\r\n/g, '\n').
    1094. 

  1094.                         replace(/\r/g, '\n').
    1095. 

  1095.                         split('\n');
    1096. 

  1096.                 } else {
    1097. 

  1097.                     lines = source;
    1098. 

  1098.                 }
    1099. 

  1099.                 line = 0;
    1100. 

  1100.                 nextLine();
    1101. 

  1101.                 from = 1;
    1102. 

  1102.             },
    1103. 

  1103. 

  1104.             range: function (begin, end) {
    1105. 

  1105.                 var c, value = '';
    1106. 

  1106.                 from = character;
    1107. 

  1107.                 if (s.charAt(0) !== begin) {
    1108. 

  1108.                     errorAt("Expected '{a}' and instead saw '{b}'.",
    1109. 

  1109.                             line, character, begin, s.charAt(0));
    1110. 

  1110.                 }
    1111. 

  1111.                 for (;;) {
    1112. 

  1112.                     s = s.slice(1);
    1113. 

  1113.                     character += 1;
    1114. 

  1114.                     c = s.charAt(0);
    1115. 

  1115.                     switch (c) {
    1116. 

  1116.                     case '':
    1117. 

  1117.                         errorAt("Missing '{a}'.", line, character, c);
    1118. 

  1118.                         break;
    1119. 

  1119.                     case end:
    1120. 

  1120.                         s = s.slice(1);
    1121. 

  1121.                         character += 1;
    1122. 

  1122.                         return it('(range)', value);
    1123. 

  1123.                     case xquote:
    1124. 

  1124.                     case '\\':
    1125. 

  1125.                     case '\'':
    1126. 

  1126.                     case '"':
    1127. 

  1127.                         warningAt("Unexpected '{a}'.", line, character, c);
    1128. 

  1128.                     }
    1129. 

  1129.                     value += c;
    1130. 

  1130.                 }
    1131. 

  1131. 

  1132.             },
    1133. 

  1133. 

  1134. // token -- this is called by advance to get the next token.
    1135. 

  1135. 

  1136.             token: function () {
    1137. 

  1137.                 var b, c, captures, d, depth, high, i, l, low, q, t;
    1138. 

  1138. 

  1139.                 function match(x) {
    1140. 

  1140.                     var r = x.exec(s), r1;
    1141. 

  1141.                     if (r) {
    1142. 

  1142.                         l = r[0].length;
    1143. 

  1143.                         r1 = r[1];
    1144. 

  1144.                         c = r1.charAt(0);
    1145. 

  1145.                         s = s.substr(l);
    1146. 

  1146.                         from = character + l - r1.length;
    1147. 

  1147.                         character += l;
    1148. 

  1148.                         return r1;
    1149. 

  1149.                     }
    1150. 

  1150.                 }
    1151. 

  1151. 

  1152.                 function string(x) {
    1153. 

  1153.                     var c, j, r = '';
    1154. 

  1154. 

  1155.                     if (jsonmode && x !== '"') {
    1156. 

  1156.                         warningAt("Strings must use doublequote.",
    1157. 

  1157.                                 line, character);
    1158. 

  1158.                     }
    1159. 

  1159. 

  1160.                     if (xquote === x || (xmode === 'scriptstring' && !xquote)) {
    1161. 

  1161.                         return it('(punctuator)', x);
    1162. 

  1162.                     }
    1163. 

  1163. 

  1164.                     function esc(n) {
    1165. 

  1165.                         var i = parseInt(s.substr(j + 1, n), 16);
    1166. 

  1166.                         j += n;
    1167. 

  1167.                         if (i >= 32 && i <= 126 &&
    1168. 

  1168.                                 i !== 34 && i !== 92 && i !== 39) {
    1169. 

  1169.                             warningAt("Unnecessary escapement.", line, character);
    1170. 

  1170.                         }
    1171. 

  1171.                         character += n;
    1172. 

  1172.                         c = String.fromCharCode(i);
    1173. 

  1173.                     }
    1174. 

  1174.                     j = 0;
    1175. 

  1175.                     for (;;) {
    1176. 

  1176.                         while (j >= s.length) {
    1177. 

  1177.                             j = 0;
    1178. 

  1178.                             if (xmode !== 'html' || !nextLine()) {
    1179. 

  1179.                                 errorAt("Unclosed string.", line, from);
    1180. 

  1180.                             }
    1181. 

  1181.                         }
    1182. 

  1182.                         c = s.charAt(j);
    1183. 

  1183.                         if (c === x) {
    1184. 

  1184.                             character += 1;
    1185. 

  1185.                             s = s.substr(j + 1);
    1186. 

  1186.                             return it('(string)', r, x);
    1187. 

  1187.                         }
    1188. 

  1188.                         if (c < ' ') {
    1189. 

  1189.                             if (c === '\n' || c === '\r') {
    1190. 

  1190.                                 break;
    1191. 

  1191.                             }
    1192. 

  1192.                             warningAt("Control character in string: {a}.",
    1193. 

  1193.                                     line, character + j, s.slice(0, j));
    1194. 

  1194.                         } else if (c === xquote) {
    1195. 

  1195.                             warningAt("Bad HTML string", line, character + j);
    1196. 

  1196.                         } else if (c === '<') {
    1197. 

  1197.                             if (option.safe && xmode === 'html') {
    1198. 

  1198.                                 warningAt("ADsafe string violation.",
    1199. 

  1199.                                         line, character + j);
    1200. 

  1200.                             } else if (s.charAt(j + 1) === '/' && (xmode || option.safe)) {
    1201. 

  1201.                                 warningAt("Expected '<\\/' and instead saw '</'.", line, character);
    1202. 

  1202.                             } else if (s.charAt(j + 1) === '!' && (xmode || option.safe)) {
    1203. 

  1203.                                 warningAt("Unexpected '<!' in a string.", line, character);
    1204. 

  1204.                             }
    1205. 

  1205.                         } else if (c === '\\') {
    1206. 

  1206.                             if (xmode === 'html') {
    1207. 

  1207.                                 if (option.safe) {
    1208. 

  1208.                                     warningAt("ADsafe string violation.",
    1209. 

  1209.                                             line, character + j);
    1210. 

  1210.                                 }
    1211. 

  1211.                             } else if (xmode === 'styleproperty') {
    1212. 

  1212.                                 j += 1;
    1213. 

  1213.                                 character += 1;
    1214. 

  1214.                                 c = s.charAt(j);
    1215. 

  1215.                                 if (c !== x) {
    1216. 

  1216.                                     warningAt("Escapement in style string.",
    1217. 

  1217.                                             line, character + j);
    1218. 

  1218.                                 }
    1219. 

  1219.                             } else {
    1220. 

  1220.                                 j += 1;
    1221. 

  1221.                                 character += 1;
    1222. 

  1222.                                 c = s.charAt(j);
    1223. 

  1223.                                 switch (c) {
    1224. 

  1224.                                 case xquote:
    1225. 

  1225.                                     warningAt("Bad HTML string", line,
    1226. 

  1226.                                         character + j);
    1227. 

  1227.                                     break;
    1228. 

  1228.                                 case '\\':
    1229. 

  1229.                                 case '\'':
    1230. 

  1230.                                 case '"':
    1231. 

  1231.                                 case '/':
    1232. 

  1232.                                     break;
    1233. 

  1233.                                 case 'b':
    1234. 

  1234.                                     c = '\b';
    1235. 

  1235.                                     break;
    1236. 

  1236.                                 case 'f':
    1237. 

  1237.                                     c = '\f';
    1238. 

  1238.                                     break;
    1239. 

  1239.                                 case 'n':
    1240. 

  1240.                                     c = '\n';
    1241. 

  1241.                                     break;
    1242. 

  1242.                                 case 'r':
    1243. 

  1243.                                     c = '\r';
    1244. 

  1244.                                     break;
    1245. 

  1245.                                 case 't':
    1246. 

  1246.                                     c = '\t';
    1247. 

  1247.                                     break;
    1248. 

  1248.                                 case 'u':
    1249. 

  1249.                                     esc(4);
    1250. 

  1250.                                     break;
    1251. 

  1251.                                 case 'v':
    1252. 

  1252.                                     c = '\v';
    1253. 

  1253.                                     break;
    1254. 

  1254.                                 case 'x':
    1255. 

  1255.                                     if (jsonmode) {
    1256. 

  1256.                                         warningAt("Avoid \\x-.", line, character);
    1257. 

  1257.                                     }
    1258. 

  1258.                                     esc(2);
    1259. 

  1259.                                     break;
    1260. 

  1260.                                 default:
    1261. 

  1261.                                     warningAt("Bad escapement.", line, character);
    1262. 

  1262.                                 }
    1263. 

  1263.                             }
    1264. 

  1264.                         }
    1265. 

  1265.                         r += c;
    1266. 

  1266.                         character += 1;
    1267. 

  1267.                         j += 1;
    1268. 

  1268.                     }
    1269. 

  1269.                 }
    1270. 

  1270. 

  1271.                 for (;;) {
    1272. 

  1272.                     if (!s) {
    1273. 

  1273.                         return it(nextLine() ? '(endline)' : '(end)', '');
    1274. 

  1274.                     }
    1275. 

  1275.                     while (xmode === 'outer') {
    1276. 

  1276.                         i = s.search(ox);
    1277. 

  1277.                         if (i === 0) {
    1278. 

  1278.                             break;
    1279. 

  1279.                         } else if (i > 0) {
    1280. 

  1280.                             character += 1;
    1281. 

  1281.                             s = s.slice(i);
    1282. 

  1282.                             break;
    1283. 

  1283.                         } else {
    1284. 

  1284.                             if (!nextLine()) {
    1285. 

  1285.                                 return it('(end)', '');
    1286. 

  1286.                             }
    1287. 

  1287.                         }
    1288. 

  1288.                     }
    1289. 

  1289.                     t = match(rx[xmode] || tx);
    1290. 

  1290.                     if (!t) {
    1291. 

  1291.                         if (xmode === 'html') {
    1292. 

  1292.                             return it('(error)', s.charAt(0));
    1293. 

  1293.                         } else {
    1294. 

  1294.                             t = '';
    1295. 

  1295.                             c = '';
    1296. 

  1296.                             while (s && s < '!') {
    1297. 

  1297.                                 s = s.substr(1);
    1298. 

  1298.                             }
    1299. 

  1299.                             if (s) {
    1300. 

  1300.                                 errorAt("Unexpected '{a}'.",
    1301. 

  1301.                                         line, character, s.substr(0, 1));
    1302. 

  1302.                             }
    1303. 

  1303.                         }
    1304. 

  1304.                     } else {
    1305. 

  1305. 

  1306.     //      identifier
    1307. 

  1307. 

  1308.                         if (c.isAlpha() || c === '_' || c === '$') {
    1309. 

  1309.                             return it('(identifier)', t);
    1310. 

  1310.                         }
    1311. 

  1311. 

  1312.     //      number
    1313. 

  1313. 

  1314.                         if (c.isDigit()) {
    1315. 

  1315.                             if (xmode !== 'style' && !isFinite(Number(t))) {
    1316. 

  1316.                                 warningAt("Bad number '{a}'.",
    1317. 

  1317.                                     line, character, t);
    1318. 

  1318.                             }
    1319. 

  1319.                             if (xmode !== 'style' &&
    1320. 

  1320.                                      xmode !== 'styleproperty' &&
    1321. 

  1321.                                      s.substr(0, 1).isAlpha()) {
    1322. 

  1322.                                 warningAt("Missing space after '{a}'.",
    1323. 

  1323.                                         line, character, t);
    1324. 

  1324.                             }
    1325. 

  1325.                             if (c === '0') {
    1326. 

  1326.                                 d = t.substr(1, 1);
    1327. 

  1327.                                 if (d.isDigit()) {
    1328. 

  1328.                                     if (token.id !== '.' && xmode !== 'styleproperty') {
    1329. 

  1329.                                         warningAt("Don't use extra leading zeros '{a}'.",
    1330. 

  1330.                                             line, character, t);
    1331. 

  1331.                                     }
    1332. 

  1332.                                 } else if (jsonmode && (d === 'x' || d === 'X')) {
    1333. 

  1333.                                     warningAt("Avoid 0x-. '{a}'.",
    1334. 

  1334.                                             line, character, t);
    1335. 

  1335.                                 }
    1336. 

  1336.                             }
    1337. 

  1337.                             if (t.substr(t.length - 1) === '.') {
    1338. 

  1338.                                 warningAt(
    1339. 

  1339.         "A trailing decimal point can be confused with a dot '{a}'.",
    1340. 

  1340.                                         line, character, t);
    1341. 

  1341.                             }
    1342. 

  1342.                             return it('(number)', t);
    1343. 

  1343.                         }
    1344. 

  1344.                         switch (t) {
    1345. 

  1345. 

  1346.     //      string
    1347. 

  1347. 

  1348.                         case '"':
    1349. 

  1349.                         case "'":
    1350. 

  1350.                             return string(t);
    1351. 

  1351. 

  1352.     //      // comment
    1353. 

  1353. 

  1354.                         case '//':
    1355. 

  1355.                             if (src || (xmode && xmode !== 'script')) {
    1356. 

  1356.                                 warningAt("Unexpected comment.", line, character);
    1357. 

  1357.                             } else if (xmode === 'script' && /<\s*\//i.test(s)) {
    1358. 

  1358.                                 warningAt("Unexpected <\/ in comment.", line, character);
    1359. 

  1359.                             } else if ((option.safe || xmode === 'script') && ax.test(s)) {
    1360. 

  1360.                                 warningAt("Dangerous comment.", line, character);
    1361. 

  1361.                             }
    1362. 

  1362.                             s = '';
    1363. 

  1363.                             token.comment = true;
    1364. 

  1364.                             break;
    1365. 

  1365. 

  1366.     //      /* comment
    1367. 

  1367. 

  1368.                         case '/*':
    1369. 

  1369.                             if (src || (xmode && xmode !== 'script' && xmode !== 'style' && xmode !== 'styleproperty')) {
    1370. 

  1370.                                 warningAt("Unexpected comment.", line, character);
    1371. 

  1371.                             }
    1372. 

  1372.                             if (option.safe && ax.test(s)) {
    1373. 

  1373.                                 warningAt("ADsafe comment violation.", line, character);
    1374. 

  1374.                             }
    1375. 

  1375.                             for (;;) {
    1376. 

  1376.                                 i = s.search(lx);
    1377. 

  1377.                                 if (i >= 0) {
    1378. 

  1378.                                     break;
    1379. 

  1379.                                 }
    1380. 

  1380.                                 if (!nextLine()) {
    1381. 

  1381.                                     errorAt("Unclosed comment.", line, character);
    1382. 

  1382.                                 } else {
    1383. 

  1383.                                     if (option.safe && ax.test(s)) {
    1384. 

  1384.                                         warningAt("ADsafe comment violation.", line, character);
    1385. 

  1385.                                     }
    1386. 

  1386.                                 }
    1387. 

  1387.                             }
    1388. 

  1388.                             character += i + 2;
    1389. 

  1389.                             if (s.substr(i, 1) === '/') {
    1390. 

  1390.                                 errorAt("Nested comment.", line, character);
    1391. 

  1391.                             }
    1392. 

  1392.                             s = s.substr(i + 2);
    1393. 

  1393.                             token.comment = true;
    1394. 

  1394.                             break;
    1395. 

  1395. 

  1396.     //      /*members /*jslint /*global
    1397. 

  1397. 

  1398.                         case '/*members':
    1399. 

  1399.                         case '/*member':
    1400. 

  1400.                         case '/*jslint':
    1401. 

  1401.                         case '/*global':
    1402. 

  1402.                         case '*/':
    1403. 

  1403.                             return {
    1404. 

  1404.                                 value: t,
    1405. 

  1405.                                 type: 'special',
    1406. 

  1406.                                 line: line,
    1407. 

  1407.                                 character: character,
    1408. 

  1408.                                 from: from
    1409. 

  1409.                             };
    1410. 

  1410. 

  1411.                         case '':
    1412. 

  1412.                             break;
    1413. 

  1413.     //      /
    1414. 

  1414.                         case '/':
    1415. 

  1415.                             if (prereg) {
    1416. 

  1416.                                 depth = 0;
    1417. 

  1417.                                 captures = 0;
    1418. 

  1418.                                 l = 0;
    1419. 

  1419.                                 for (;;) {
    1420. 

  1420.                                     b = true;
    1421. 

  1421.                                     c = s.charAt(l);
    1422. 

  1422.                                     l += 1;
    1423. 

  1423.                                     switch (c) {
    1424. 

  1424.                                     case '':
    1425. 

  1425.                                         errorAt("Unclosed regular expression.", line, from);
    1426. 

  1426.                                         return;
    1427. 

  1427.                                     case '/':
    1428. 

  1428.                                         if (depth > 0) {
    1429. 

  1429.                                             warningAt("Unescaped '{a}'.", line, from + l, '/');
    1430. 

  1430.                                         }
    1431. 

  1431.                                         c = s.substr(0, l - 1);
    1432. 

  1432.                                         q = {
    1433. 

  1433.                                             g: true,
    1434. 

  1434.                                             i: true,
    1435. 

  1435.                                             m: true
    1436. 

  1436.                                         };
    1437. 

  1437.                                         while (q[s.charAt(l)] === true) {
    1438. 

  1438.                                             q[s.charAt(l)] = false;
    1439. 

  1439.                                             l += 1;
    1440. 

  1440.                                         }
    1441. 

  1441.                                         character += l;
    1442. 

  1442.                                         s = s.substr(l);
    1443. 

  1443.                                         return it('(regexp)', c);
    1444. 

  1444.                                     case '\\':
    1445. 

  1445.                                         c = s.charAt(l);
    1446. 

  1446.                                         if (c < ' ') {
    1447. 

  1447.                                             warningAt("Unexpected control character in regular expression.", line, from + l);
    1448. 

  1448.                                         } else if (c === '<') {
    1449. 

  1449.                                             warningAt("Unexpected escaped character '{a}' in regular expression.", line, from + l, c);
    1450. 

  1450.                                         }
    1451. 

  1451.                                         l += 1;
    1452. 

  1452.                                         break;
    1453. 

  1453.                                     case '(':
    1454. 

  1454.                                         depth += 1;
    1455. 

  1455.                                         b = false;
    1456. 

  1456.                                         if (s.charAt(l) === '?') {
    1457. 

  1457.                                             l += 1;
    1458. 

  1458.                                             switch (s.charAt(l)) {
    1459. 

  1459.                                             case ':':
    1460. 

  1460.                                             case '=':
    1461. 

  1461.                                             case '!':
    1462. 

  1462.                                                 l += 1;
    1463. 

  1463.                                                 break;
    1464. 

  1464.                                             default:
    1465. 

  1465.                                                 warningAt("Expected '{a}' and instead saw '{b}'.", line, from + l, ':', s.charAt(l));
    1466. 

  1466.                                             }
    1467. 

  1467.                                         } else {
    1468. 

  1468.                                             captures += 1;
    1469. 

  1469.                                         }
    1470. 

  1470.                                         break;
    1471. 

  1471.                                     case ')':
    1472. 

  1472.                                         if (depth === 0) {
    1473. 

  1473.                                             warningAt("Unescaped '{a}'.", line, from + l, ')');
    1474. 

  1474.                                         } else {
    1475. 

  1475.                                             depth -= 1;
    1476. 

  1476.                                         }
    1477. 

  1477.                                         break;
    1478. 

  1478.                                     case ' ':
    1479. 

  1479.                                         q = 1;
    1480. 

  1480.                                         while (s.charAt(l) === ' ') {
    1481. 

  1481.                                             l += 1;
    1482. 

  1482.                                             q += 1;
    1483. 

  1483.                                         }
    1484. 

  1484.                                         if (q > 1) {
    1485. 

  1485.                                             warningAt("Spaces are hard to count. Use {{a}}.", line, from + l, q);
    1486. 

  1486.                                         }
    1487. 

  1487.                                         break;
    1488. 

  1488.                                     case '[':
    1489. 

  1489.                                         c = s.charAt(l);
    1490. 

  1490.                                         if (c === '^') {
    1491. 

  1491.                                             l += 1;
    1492. 

  1492.                                         }
    1493. 

  1493.                                         q = false;
    1494. 

  1494.                                         if (c === ']') {
    1495. 

  1495.                                             warningAt("Empty class.", line, from + l - 1);
    1496. 

  1496.                                             q = true;
    1497. 

  1497.                                         }
    1498. 

  1498.     klass:                              do {
    1499. 

  1499.                                             c = s.charAt(l);
    1500. 

  1500.                                             l += 1;
    1501. 

  1501.                                             switch (c) {
    1502. 

  1502.                                             case '[':
    1503. 

  1503.                                             case '^':
    1504. 

  1504.                                                 warningAt("Unescaped '{a}'.", line, from + l, c);
    1505. 

  1505.                                                 q = true;
    1506. 

  1506.                                                 break;
    1507. 

  1507.                                             case '-':
    1508. 

  1508.                                                 if (q) {
    1509. 

  1509.                                                     q = false;
    1510. 

  1510.                                                 } else {
    1511. 

  1511.                                                     warningAt("Unescaped '{a}'.", line, from + l, '-');
    1512. 

  1512.                                                     q = true;
    1513. 

  1513.                                                 }
    1514. 

  1514.                                                 break;
    1515. 

  1515.                                             case ']':
    1516. 

  1516.                                                 if (!q) {
    1517. 

  1517.                                                     warningAt("Unescaped '{a}'.", line, from + l - 1, ']');
    1518. 

  1518.                                                 }
    1519. 

  1519.                                                 break klass;
    1520. 

  1520.                                             case '\\':
    1521. 

  1521.                                                 c = s.charAt(l);
    1522. 

  1522.                                                 if (c < ' ') {
    1523. 

  1523.                                                     warningAt("Unexpected control character in regular expression.", line, from + l);
    1524. 

  1524.                                                 } else if (c === '<') {
    1525. 

  1525.                                                     warningAt("Unexpected escaped character '{a}' in regular expression.", line, from + l, c);
    1526. 

  1526.                                                 }
    1527. 

  1527.                                                 l += 1;
    1528. 

  1528.                                                 q = true;
    1529. 

  1529.                                                 break;
    1530. 

  1530.                                             case '/':
    1531. 

  1531.                                                 warningAt("Unescaped '{a}'.", line, from + l - 1, '/');
    1532. 

  1532.                                                 q = true;
    1533. 

  1533.                                                 break;
    1534. 

  1534.                                             case '<':
    1535. 

  1535.                                                 if (xmode === 'script') {
    1536. 

  1536.                                                     c = s.charAt(l);
    1537. 

  1537.                                                     if (c === '!' || c === '/') {
    1538. 

  1538.                                                         warningAt("HTML confusion in regular expression '<{a}'.", line, from + l, c);
    1539. 

  1539.                                                     }
    1540. 

  1540.                                                 }
    1541. 

  1541.                                                 q = true;
    1542. 

  1542.                                                 break;
    1543. 

  1543.                                             default:
    1544. 

  1544.                                                 q = true;
    1545. 

  1545.                                             }
    1546. 

  1546.                                         } while (c);
    1547. 

  1547.                                         break;
    1548. 

  1548.                                     case '.':
    1549. 

  1549.                                         if (option.regexp) {
    1550. 

  1550.                                             warningAt("Unexpected '{a}'.", line, from + l, c);
    1551. 

  1551.                                         }
    1552. 

  1552.                                         break;
    1553. 

  1553.                                     case ']':
    1554. 

  1554.                                     case '?':
    1555. 

  1555.                                     case '{':
    1556. 

  1556.                                     case '}':
    1557. 

  1557.                                     case '+':
    1558. 

  1558.                                     case '*':
    1559. 

  1559.                                         warningAt("Unescaped '{a}'.", line, from + l, c);
    1560. 

  1560.                                         break;
    1561. 

  1561.                                     case '<':
    1562. 

  1562.                                         if (xmode === 'script') {
    1563. 

  1563.                                             c = s.charAt(l);
    1564. 

  1564.                                             if (c === '!' || c === '/') {
    1565. 

  1565.                                                 warningAt("HTML confusion in regular expression '<{a}'.", line, from + l, c);
    1566. 

  1566.                                             }
    1567. 

  1567.                                         }
    1568. 

  1568.                                     }
    1569. 

  1569.                                     if (b) {
    1570. 

  1570.                                         switch (s.charAt(l)) {
    1571. 

  1571.                                         case '?':
    1572. 

  1572.                                         case '+':
    1573. 

  1573.                                         case '*':
    1574. 

  1574.                                             l += 1;
    1575. 

  1575.                                             if (s.charAt(l) === '?') {
    1576. 

  1576.                                                 l += 1;
    1577. 

  1577.                                             }
    1578. 

  1578.                                             break;
    1579. 

  1579.                                         case '{':
    1580. 

  1580.                                             l += 1;
    1581. 

  1581.                                             c = s.charAt(l);
    1582. 

  1582.                                             if (c < '0' || c > '9') {
    1583. 

  1583.                                                 warningAt("Expected a number and instead saw '{a}'.", line, from + l, c);
    1584. 

  1584.                                             }
    1585. 

  1585.                                             l += 1;
    1586. 

  1586.                                             low = +c;
    1587. 

  1587.                                             for (;;) {
    1588. 

  1588.                                                 c = s.charAt(l);
    1589. 

  1589.                                                 if (c < '0' || c > '9') {
    1590. 

  1590.                                                     break;
    1591. 

  1591.                                                 }
    1592. 

  1592.                                                 l += 1;
    1593. 

  1593.                                                 low = +c + (low * 10);
    1594. 

  1594.                                             }
    1595. 

  1595.                                             high = low;
    1596. 

  1596.                                             if (c === ',') {
    1597. 

  1597.                                                 l += 1;
    1598. 

  1598.                                                 high = Infinity;
    1599. 

  1599.                                                 c = s.charAt(l);
    1600. 

  1600.                                                 if (c >= '0' && c <= '9') {
    1601. 

  1601.                                                     l += 1;
    1602. 

  1602.                                                     high = +c;
    1603. 

  1603.                                                     for (;;) {
    1604. 

  1604.                                                         c = s.charAt(l);
    1605. 

  1605.                                                         if (c < '0' || c > '9') {
    1606. 

  1606.                                                             break;
    1607. 

  1607.                                                         }
    1608. 

  1608.                                                         l += 1;
    1609. 

  1609.                                                         high = +c + (high * 10);
    1610. 

  1610.                                                     }
    1611. 

  1611.                                                 }
    1612. 

  1612.                                             }
    1613. 

  1613.                                             if (s.charAt(l) !== '}') {
    1614. 

  1614.                                                 warningAt("Expected '{a}' and instead saw '{b}'.", line, from + l, '}', c);
    1615. 

  1615.                                             } else {
    1616. 

  1616.                                                 l += 1;
    1617. 

  1617.                                             }
    1618. 

  1618.                                             if (s.charAt(l) === '?') {
    1619. 

  1619.                                                 l += 1;
    1620. 

  1620.                                             }
    1621. 

  1621.                                             if (low > high) {
    1622. 

  1622.                                                 warningAt("'{a}' should not be greater than '{b}'.", line, from + l, low, high);
    1623. 

  1623.                                             }
    1624. 

  1624.                                         }
    1625. 

  1625.                                     }
    1626. 

  1626.                                 }
    1627. 

  1627.                                 c = s.substr(0, l - 1);
    1628. 

  1628.                                 character += l;
    1629. 

  1629.                                 s = s.substr(l);
    1630. 

  1630.                                 return it('(regexp)', c);
    1631. 

  1631.                             }
    1632. 

  1632.                             return it('(punctuator)', t);
    1633. 

  1633. 

  1634.     //      punctuator
    1635. 

  1635. 

  1636.                         case '<!--':
    1637. 

  1637.                             l = line;
    1638. 

  1638.                             c = character;
    1639. 

  1639.                             for (;;) {
    1640. 

  1640.                                 i = s.indexOf('--');
    1641. 

  1641.                                 if (i >= 0) {
    1642. 

  1642.                                     break;
    1643. 

  1643.                                 }
    1644. 

  1644.                                 i = s.indexOf('<!');
    1645. 

  1645.                                 if (i >= 0) {
    1646. 

  1646.                                     errorAt("Nested HTML comment.",
    1647. 

  1647.                                         line, character + i);
    1648. 

  1648.                                 }
    1649. 

  1649.                                 if (!nextLine()) {
    1650. 

  1650.                                     errorAt("Unclosed HTML comment.", l, c);
    1651. 

  1651.                                 }
    1652. 

  1652.                             }
    1653. 

  1653.                             l = s.indexOf('<!');
    1654. 

  1654.                             if (l >= 0 && l < i) {
    1655. 

  1655.                                 errorAt("Nested HTML comment.",
    1656. 

  1656.                                     line, character + l);
    1657. 

  1657.                             }
    1658. 

  1658.                             character += i;
    1659. 

  1659.                             if (s[i + 2] !== '>') {
    1660. 

  1660.                                 errorAt("Expected -->.", line, character);
    1661. 

  1661.                             }
    1662. 

  1662.                             character += 3;
    1663. 

  1663.                             s = s.slice(i + 3);
    1664. 

  1664.                             break;
    1665. 

  1665.                         case '#':
    1666. 

  1666.                             if (xmode === 'html' || xmode === 'styleproperty') {
    1667. 

  1667.                                 for (;;) {
    1668. 

  1668.                                     c = s.charAt(0);
    1669. 

  1669.                                     if ((c < '0' || c > '9') &&
    1670. 

  1670.                                             (c < 'a' || c > 'f') &&
    1671. 

  1671.                                             (c < 'A' || c > 'F')) {
    1672. 

  1672.                                         break;
    1673. 

  1673.                                     }
    1674. 

  1674.                                     character += 1;
    1675. 

  1675.                                     s = s.substr(1);
    1676. 

  1676.                                     t += c;
    1677. 

  1677.                                 }
    1678. 

  1678.                                 if (t.length !== 4 && t.length !== 7) {
    1679. 

  1679.                                     warningAt("Bad hex color '{a}'.", line,
    1680. 

  1680.                                         from + l, t);
    1681. 

  1681.                                 }
    1682. 

  1682.                                 return it('(color)', t);
    1683. 

  1683.                             }
    1684. 

  1684.                             return it('(punctuator)', t);
    1685. 

  1685.                         default:
    1686. 

  1686.                             if (xmode === 'outer' && c === '&') {
    1687. 

  1687.                                 character += 1;
    1688. 

  1688.                                 s = s.substr(1);
    1689. 

  1689.                                 for (;;) {
    1690. 

  1690.                                     c = s.charAt(0);
    1691. 

  1691.                                     character += 1;
    1692. 

  1692.                                     s = s.substr(1);
    1693. 

  1693.                                     if (c === ';') {
    1694. 

  1694.                                         break;
    1695. 

  1695.                                     }
    1696. 

  1696.                                     if (!((c >= '0' && c <= '9') ||
    1697. 

  1697.                                             (c >= 'a' && c <= 'z') ||
    1698. 

  1698.                                             c === '#')) {
    1699. 

  1699.                                         errorAt("Bad entity", line, from + l,
    1700. 

  1700.                                         character);
    1701. 

  1701.                                     }
    1702. 

  1702.                                 }
    1703. 

  1703.                                 break;
    1704. 

  1704.                             }
    1705. 

  1705.                             return it('(punctuator)', t);
    1706. 

  1706.                         }
    1707. 

  1707.                     }
    1708. 

  1708.                 }
    1709. 

  1709.             }
    1710. 

  1710.         };
    1711. 

  1711.     }());
    1712. 

  1712. 

  1713. 

  1714.     function addlabel(t, type) {
    1715. 

  1715. 

  1716.         if (option.safe && funct['(global)'] && typeof predefined[t] !== 'boolean') {
    1717. 

  1717.             warning('ADsafe global: ' + t + '.', token);
    1718. 

  1718.         } else if (t === 'hasOwnProperty') {
    1719. 

  1719.             warning("'hasOwnProperty' is a really bad name.");
    1720. 

  1720.         }
    1721. 

  1721. 

  1722. // Define t in the current function in the current scope.
    1723. 

  1723. 

  1724.         if (is_own(funct, t) && !funct['(global)']) {
    1725. 

  1725.             warning(funct[t] === true ?
    1726. 

  1726.                 "'{a}' was used before it was defined." :
    1727. 

  1727.                 "'{a}' is already defined.",
    1728. 

  1728.                 nexttoken, t);
    1729. 

  1729.         }
    1730. 

  1730.         funct[t] = type;
    1731. 

  1731.         if (type === 'label') {
    1732. 

  1732.             scope[t] = funct;
    1733. 

  1733.         } else if (funct['(global)']) {
    1734. 

  1734.             global[t] = funct;
    1735. 

  1735.             if (is_own(implied, t)) {
    1736. 

  1736.                 warning("'{a}' was used before it was defined.", nexttoken, t);
    1737. 

  1737.                 delete implied[t];
    1738. 

  1738.             }
    1739. 

  1739.         } else {
    1740. 

  1740.             funct['(scope)'][t] = funct;
    1741. 

  1741.         }
    1742. 

  1742.     }
    1743. 

  1743. 

  1744. 

  1745.     function doOption() {
    1746. 

  1746.         var b, obj, filter, o = nexttoken.value, t, v;
    1747. 

  1747.         switch (o) {
    1748. 

  1748.         case '*/':
    1749. 

  1749.             error("Unbegun comment.");
    1750. 

  1750.             break;
    1751. 

  1751.         case '/*members':
    1752. 

  1752.         case '/*member':
    1753. 

  1753.             o = '/*members';
    1754. 

  1754.             if (!membersOnly) {
    1755. 

  1755.                 membersOnly = {};
    1756. 

  1756.             }
    1757. 

  1757.             obj = membersOnly;
    1758. 

  1758.             break;
    1759. 

  1759.         case '/*jslint':
    1760. 

  1760.             if (option.safe) {
    1761. 

  1761.                 warning("ADsafe restriction.");
    1762. 

  1762.             }
    1763. 

  1763.             obj = option;
    1764. 

  1764.             filter = boolOptions;
    1765. 

  1765.             break;
    1766. 

  1766.         case '/*global':
    1767. 

  1767.             if (option.safe) {
    1768. 

  1768.                 warning("ADsafe restriction.");
    1769. 

  1769.             }
    1770. 

  1770.             obj = predefined;
    1771. 

  1771.             break;
    1772. 

  1772.         default:
    1773. 

  1773.         }
    1774. 

  1774.         t = lex.token();
    1775. 

  1775. loop:   for (;;) {
    1776. 

  1776.             for (;;) {
    1777. 

  1777.                 if (t.type === 'special' && t.value === '*/') {
    1778. 

  1778.                     break loop;
    1779. 

  1779.                 }
    1780. 

  1780.                 if (t.id !== '(endline)' && t.id !== ',') {
    1781. 

  1781.                     break;
    1782. 

  1782.                 }
    1783. 

  1783.                 t = lex.token();
    1784. 

  1784.             }
    1785. 

  1785.             if (t.type !== '(string)' && t.type !== '(identifier)' &&
    1786. 

  1786.                     o !== '/*members') {
    1787. 

  1787.                 error("Bad option.", t);
    1788. 

  1788.             }
    1789. 

  1789.             v = lex.token();
    1790. 

  1790.             if (v.id === ':') {
    1791. 

  1791.                 v = lex.token();
    1792. 

  1792.                 if (obj === membersOnly) {
    1793. 

  1793.                     error("Expected '{a}' and instead saw '{b}'.",
    1794. 

  1794.                             t, '*/', ':');
    1795. 

  1795.                 }
    1796. 

  1796.                 if (t.value === 'indent' && o === '/*jslint') {
    1797. 

  1797.                     b = +v.value;
    1798. 

  1798.                     if (typeof b !== 'number' || !isFinite(b) || b <= 0 ||
    1799. 

  1799.                             Math.floor(b) !== b) {
    1800. 

  1800.                         error("Expected a small integer and instead saw '{a}'.",
    1801. 

  1801.                                 v, v.value);
    1802. 

  1802.                     }
    1803. 

  1803.                     obj.white = true;
    1804. 

  1804.                     obj.indent = b;
    1805. 

  1805.                 } else if (v.value === 'true') {
    1806. 

  1806.                     obj[t.value] = true;
    1807. 

  1807.                 } else if (v.value === 'false') {
    1808. 

  1808.                     obj[t.value] = false;
    1809. 

  1809.                 } else {
    1810. 

  1810.                     error("Bad option value.", v);
    1811. 

  1811.                 }
    1812. 

  1812.                 t = lex.token();
    1813. 

  1813.             } else {
    1814. 

  1814.                 if (o === '/*jslint') {
    1815. 

  1815.                     error("Missing option value.", t);
    1816. 

  1816.                 }
    1817. 

  1817.                 obj[t.value] = false;
    1818. 

  1818.                 t = v;
    1819. 

  1819.             }
    1820. 

  1820.         }
    1821. 

  1821.         if (filter) {
    1822. 

  1822.             assume();
    1823. 

  1823.         }
    1824. 

  1824.     }
    1825. 

  1825. 

  1826. 

  1827. // We need a peek function. If it has an argument, it peeks that much farther
    1828. 

  1828. // ahead. It is used to distinguish
    1829. 

  1829. //     for ( var i in ...
    1830. 

  1830. // from
    1831. 

  1831. //     for ( var i = ...
    1832. 

  1832. 

  1833.     function peek(p) {
    1834. 

  1834.         var i = p || 0, j = 0, t;
    1835. 

  1835. 

  1836.         while (j <= i) {
    1837. 

  1837.             t = lookahead[j];
    1838. 

  1838.             if (!t) {
    1839. 

  1839.                 t = lookahead[j] = lex.token();
    1840. 

  1840.             }
    1841. 

  1841.             j += 1;
    1842. 

  1842.         }
    1843. 

  1843.         return t;
    1844. 

  1844.     }
    1845. 

  1845. 

  1846. 

  1847. 

  1848. // Produce the next token. It looks for programming errors.
    1849. 

  1849. 

  1850.     function advance(id, t) {
    1851. 

  1851.         switch (token.id) {
    1852. 

  1852.         case '(number)':
    1853. 

  1853.             if (nexttoken.id === '.') {
    1854. 

  1854.                 warning(
    1855. 

  1855. "A dot following a number can be confused with a decimal point.", token);
    1856. 

  1856.             }
    1857. 

  1857.             break;
    1858. 

  1858.         case '-':
    1859. 

  1859.             if (nexttoken.id === '-' || nexttoken.id === '--') {
    1860. 

  1860.                 warning("Confusing minusses.");
    1861. 

  1861.             }
    1862. 

  1862.             break;
    1863. 

  1863.         case '+':
    1864. 

  1864.             if (nexttoken.id === '+' || nexttoken.id === '++') {
    1865. 

  1865.                 warning("Confusing plusses.");
    1866. 

  1866.             }
    1867. 

  1867.             break;
    1868. 

  1868.         }
    1869. 

  1869.         if (token.type === '(string)' || token.identifier) {
    1870. 

  1870.             anonname = token.value;
    1871. 

  1871.         }
    1872. 

  1872. 

  1873.         if (id && nexttoken.id !== id) {
    1874. 

  1874.             if (t) {
    1875. 

  1875.                 if (nexttoken.id === '(end)') {
    1876. 

  1876.                     warning("Unmatched '{a}'.", t, t.id);
    1877. 

  1877.                 } else {
    1878. 

  1878.                     warning("Expected '{a}' to match '{b}' from line {c} and instead saw '{d}'.",
    1879. 

  1879.                             nexttoken, id, t.id, t.line, nexttoken.value);
    1880. 

  1880.                 }
    1881. 

  1881.             } else if (nexttoken.type !== '(identifier)' ||
    1882. 

  1882.                             nexttoken.value !== id) {
    1883. 

  1883.                 warning("Expected '{a}' and instead saw '{b}'.",
    1884. 

  1884.                         nexttoken, id, nexttoken.value);
    1885. 

  1885.             }
    1886. 

  1886.         }
    1887. 

  1887.         prevtoken = token;
    1888. 

  1888.         token = nexttoken;
    1889. 

  1889.         for (;;) {
    1890. 

  1890.             nexttoken = lookahead.shift() || lex.token();
    1891. 

  1891.             if (nexttoken.id === '(end)' || nexttoken.id === '(error)') {
    1892. 

  1892.                 return;
    1893. 

  1893.             }
    1894. 

  1894.             if (nexttoken.type === 'special') {
    1895. 

  1895.                 doOption();
    1896. 

  1896.             } else {
    1897. 

  1897.                 if (nexttoken.id !== '(endline)') {
    1898. 

  1898.                     break;
    1899. 

  1899.                 }
    1900. 

  1900.             }
    1901. 

  1901.         }
    1902. 

  1902.     }
    1903. 

  1903. 

  1904. 

  1905. // This is the heart of JSLINT, the Pratt parser. In addition to parsing, it
    1906. 

  1906. // is looking for ad hoc lint patterns. We add to Pratt's model .fud, which is
    1907. 

  1907. // like nud except that it is only used on the first token of a statement.
    1908. 

  1908. // Having .fud makes it much easier to define JavaScript. I retained Pratt's
    1909. 

  1909. // nomenclature.
    1910. 

  1910. 

  1911. // .nud     Null denotation
    1912. 

  1912. // .fud     First null denotation
    1913. 

  1913. // .led     Left denotation
    1914. 

  1914. //  lbp     Left binding power
    1915. 

  1915. //  rbp     Right binding power
    1916. 

  1916. 

  1917. // They are key to the parsing method called Top Down Operator Precedence.
    1918. 

  1918. 

  1919.     function parse(rbp, initial) {
    1920. 

  1920.         var left, o;
    1921. 

  1921.         if (nexttoken.id === '(end)') {
    1922. 

  1922.             error("Unexpected early end of program.", token);
    1923. 

  1923.         }
    1924. 

  1924.         advance();
    1925. 

  1925.         if (option.safe && typeof predefined[token.value] === 'boolean' &&
    1926. 

  1926.                 (nexttoken.id !== '(' && nexttoken.id !== '.')) {
    1927. 

  1927.             warning('ADsafe violation.', token);
    1928. 

  1928.         }
    1929. 

  1929.         if (initial) {
    1930. 

  1930.             anonname = 'anonymous';
    1931. 

  1931.             funct['(verb)'] = token.value;
    1932. 

  1932.         }
    1933. 

  1933.         if (initial === true && token.fud) {
    1934. 

  1934.             left = token.fud();
    1935. 

  1935.         } else {
    1936. 

  1936.             if (token.nud) {
    1937. 

  1937.                 o = token.exps;
    1938. 

  1938.                 left = token.nud();
    1939. 

  1939.             } else {
    1940. 

  1940.                 if (nexttoken.type === '(number)' && token.id === '.') {
    1941. 

  1941.                     warning(
    1942. 

  1942. "A leading decimal point can be confused with a dot: '.{a}'.",
    1943. 

  1943.                             token, nexttoken.value);
    1944. 

  1944.                     advance();
    1945. 

  1945.                     return token;
    1946. 

  1946.                 } else {
    1947. 

  1947.                     error("Expected an identifier and instead saw '{a}'.",
    1948. 

  1948.                             token, token.id);
    1949. 

  1949.                 }
    1950. 

  1950.             }
    1951. 

  1951.             while (rbp < nexttoken.lbp) {
    1952. 

  1952.                 o = nexttoken.exps;
    1953. 

  1953.                 advance();
    1954. 

  1954.                 if (token.led) {
    1955. 

  1955.                     left = token.led(left);
    1956. 

  1956.                 } else {
    1957. 

  1957.                     error("Expected an operator and instead saw '{a}'.",
    1958. 

  1958.                         token, token.id);
    1959. 

  1959.                 }
    1960. 

  1960.             }
    1961. 

  1961.             if (initial && !o) {
    1962. 

  1962.                 warning(
    1963. 

  1963. "Expected an assignment or function call and instead saw an expression.",
    1964. 

  1964.                         token);
    1965. 

  1965.             }
    1966. 

  1966.         }
    1967. 

  1967.         return left;
    1968. 

  1968.     }
    1969. 

  1969. 

  1970. 

  1971. // Functions for conformance of style.
    1972. 

  1972. 

  1973.     function adjacent(left, right) {
    1974. 

  1974.         left = left || token;
    1975. 

  1975.         right = right || nexttoken;
    1976. 

  1976.         if (option.white || xmode === 'styleproperty' || xmode === 'style') {
    1977. 

  1977.             if (left.character !== right.from && left.line === right.line) {
    1978. 

  1978.                 warning("Unexpected space after '{a}'.", right, left.value);
    1979. 

  1979.             }
    1980. 

  1980.         }
    1981. 

  1981.     }
    1982. 

  1982. 

  1983.     function nospace(left, right) {
    1984. 

  1984.         left = left || token;
    1985. 

  1985.         right = right || nexttoken;
    1986. 

  1986.         if (option.white && !left.comment) {
    1987. 

  1987.             if (left.line === right.line) {
    1988. 

  1988.                 adjacent(left, right);
    1989. 

  1989.             }
    1990. 

  1990.         }
    1991. 

  1991.     }
    1992. 

  1992. 

  1993. 

  1994.     function nonadjacent(left, right) {
    1995. 

  1995.         if (option.white) {
    1996. 

  1996.             left = left || token;
    1997. 

  1997.             right = right || nexttoken;
    1998. 

  1998.             if (left.character === right.from) {
    1999. 

  1999.                 warning("Missing space after '{a}'.",
    2000. 

  2000.                         nexttoken, left.value);
    2001. 

  2001.             }
    2002. 

  2002.         }
    2003. 

  2003.     }
    2004. 

  2004. 

  2005.     function nobreaknonadjacent(left, right) {
    2006. 

  2006.         left = left || token;
    2007. 

  2007.         right = right || nexttoken;
    2008. 

  2008.         if (!option.laxbreak && left.line !== right.line) {
    2009. 

  2009.             warning("Bad line breaking before '{a}'.", right, right.id);
    2010. 

  2010.         } else if (option.white) {
    2011. 

  2011.             left = left || token;
    2012. 

  2012.             right = right || nexttoken;
    2013. 

  2013.             if (left.character === right.from) {
    2014. 

  2014.                 warning("Missing space after '{a}'.",
    2015. 

  2015.                         nexttoken, left.value);
    2016. 

  2016.             }
    2017. 

  2017.         }
    2018. 

  2018.     }
    2019. 

  2019. 

  2020.     function indentation(bias) {
    2021. 

  2021.         var i;
    2022. 

  2022.         if (option.white && nexttoken.id !== '(end)') {
    2023. 

  2023.             i = indent + (bias || 0);
    2024. 

  2024.             if (nexttoken.from !== i) {
    2025. 

  2025.                 warning("Expected '{a}' to have an indentation of {b} instead of {c}.",
    2026. 

  2026.                         nexttoken, nexttoken.value, i, nexttoken.from);
    2027. 

  2027.             }
    2028. 

  2028.         }
    2029. 

  2029.     }
    2030. 

  2030. 

  2031.     function nolinebreak(t) {
    2032. 

  2032.         if (t.line !== nexttoken.line) {
    2033. 

  2033.             warning("Line breaking error '{a}'.", t, t.value);
    2034. 

  2034.         }
    2035. 

  2035.     }
    2036. 

  2036. 

  2037. 

  2038.     function comma() {
    2039. 

  2039.         if (token.line !== nexttoken.line) {
    2040. 

  2040.             if (!option.laxbreak) {
    2041. 

  2041.                 warning("Bad line breaking before '{a}'.", token, nexttoken.id);
    2042. 

  2042.             }
    2043. 

  2043.         } else if (token.character !== nexttoken.from && option.white) {
    2044. 

  2044.             warning("Unexpected space after '{a}'.", nexttoken, token.value);
    2045. 

  2045.         }
    2046. 

  2046.         advance(',');
    2047. 

  2047.         nonadjacent(token, nexttoken);
    2048. 

  2048.     }
    2049. 

  2049. 

  2050. 

  2051. // Functional constructors for making the symbols that will be inherited by
    2052. 

  2052. // tokens.
    2053. 

  2053. 

  2054.     function symbol(s, p) {
    2055. 

  2055.         var x = syntax[s];
    2056. 

  2056.         if (!x || typeof x !== 'object') {
    2057. 

  2057.             syntax[s] = x = {
    2058. 

  2058.                 id: s,
    2059. 

  2059.                 lbp: p,
    2060. 

  2060.                 value: s
    2061. 

  2061.             };
    2062. 

  2062.         }
    2063. 

  2063.         return x;
    2064. 

  2064.     }
    2065. 

  2065. 

  2066. 

  2067.     function delim(s) {
    2068. 

  2068.         return symbol(s, 0);
    2069. 

  2069.     }
    2070. 

  2070. 

  2071. 

  2072.     function stmt(s, f) {
    2073. 

  2073.         var x = delim(s);
    2074. 

  2074.         x.identifier = x.reserved = true;
    2075. 

  2075.         x.fud = f;
    2076. 

  2076.         return x;
    2077. 

  2077.     }
    2078. 

  2078. 

  2079. 

  2080.     function blockstmt(s, f) {
    2081. 

  2081.         var x = stmt(s, f);
    2082. 

  2082.         x.block = true;
    2083. 

  2083.         return x;
    2084. 

  2084.     }
    2085. 

  2085. 

  2086. 

  2087.     function reserveName(x) {
    2088. 

  2088.         var c = x.id.charAt(0);
    2089. 

  2089.         if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')) {
    2090. 

  2090.             x.identifier = x.reserved = true;
    2091. 

  2091.         }
    2092. 

  2092.         return x;
    2093. 

  2093.     }
    2094. 

  2094. 

  2095. 

  2096.     function prefix(s, f) {
    2097. 

  2097.         var x = symbol(s, 150);
    2098. 

  2098.         reserveName(x);
    2099. 

  2099.         x.nud = (typeof f === 'function') ? f : function () {
    2100. 

  2100.             this.right = parse(150);
    2101. 

  2101.             this.arity = 'unary';
    2102. 

  2102.             if (this.id === '++' || this.id === '--') {
    2103. 

  2103.                 if (option.plusplus) {
    2104. 

  2104.                     warning("Unexpected use of '{a}'.", this, this.id);
    2105. 

  2105.                 } else if ((!this.right.identifier || this.right.reserved) &&
    2106. 

  2106.                         this.right.id !== '.' && this.right.id !== '[') {
    2107. 

  2107.                     warning("Bad operand.", this);
    2108. 

  2108.                 }
    2109. 

  2109.             }
    2110. 

  2110.             return this;
    2111. 

  2111.         };
    2112. 

  2112.         return x;
    2113. 

  2113.     }
    2114. 

  2114. 

  2115. 

  2116.     function type(s, f) {
    2117. 

  2117.         var x = delim(s);
    2118. 

  2118.         x.type = s;
    2119. 

  2119.         x.nud = f;
    2120. 

  2120.         return x;
    2121. 

  2121.     }
    2122. 

  2122. 

  2123. 

  2124.     function reserve(s, f) {
    2125. 

  2125.         var x = type(s, f);
    2126. 

  2126.         x.identifier = x.reserved = true;
    2127. 

  2127.         return x;
    2128. 

  2128.     }
    2129. 

  2129. 

  2130. 

  2131.     function reservevar(s, v) {
    2132. 

  2132.         return reserve(s, function () {
    2133. 

  2133.             if (option.safe &&
    2134. 

  2134.                     (this.id === 'this' || this.id === 'arguments')) {
    2135. 

  2135.                 warning("ADsafe violation.", this);
    2136. 

  2136.             }
    2137. 

  2137.             return this;
    2138. 

  2138.         });
    2139. 

  2139.     }
    2140. 

  2140. 

  2141. 

  2142.     function infix(s, f, p, w) {
    2143. 

  2143.         var x = symbol(s, p);
    2144. 

  2144.         reserveName(x);
    2145. 

  2145.         x.led = function (left) {
    2146. 

  2146.             if (!w) {
    2147. 

  2147.                 nobreaknonadjacent(prevtoken, token);
    2148. 

  2148.                 nonadjacent(token, nexttoken);
    2149. 

  2149.             }
    2150. 

  2150.             if (typeof f === 'function') {
    2151. 

  2151.                 return f(left, this);
    2152. 

  2152.             } else {
    2153. 

  2153.                 this.left = left;
    2154. 

  2154.                 this.right = parse(p);
    2155. 

  2155.                 return this;
    2156. 

  2156.             }
    2157. 

  2157.         };
    2158. 

  2158.         return x;
    2159. 

  2159.     }
    2160. 

  2160. 

  2161. 

  2162.     function relation(s, f) {
    2163. 

  2163.         var x = symbol(s, 100);
    2164. 

  2164.         x.led = function (left) {
    2165. 

  2165.             nobreaknonadjacent(prevtoken, token);
    2166. 

  2166.             nonadjacent(token, nexttoken);
    2167. 

  2167.             var right = parse(100);
    2168. 

  2168.             if ((left && left.id === 'NaN') || (right && right.id === 'NaN')) {
    2169. 

  2169.                 warning("Use the isNaN function to compare with NaN.", this);
    2170. 

  2170.             } else if (f) {
    2171. 

  2171.                 f.apply(this, [left, right]);
    2172. 

  2172.             }
    2173. 

  2173.             this.left = left;
    2174. 

  2174.             this.right = right;
    2175. 

  2175.             return this;
    2176. 

  2176.         };
    2177. 

  2177.         return x;
    2178. 

  2178.     }
    2179. 

  2179. 

  2180. 

  2181.     function isPoorRelation(node) {
    2182. 

  2182.         return (node.type === '(number)' && !+node.value) ||
    2183. 

  2183.                (node.type === '(string)' && !node.value) ||
    2184. 

  2184.                 node.type === 'true' ||
    2185. 

  2185.                 node.type === 'false' ||
    2186. 

  2186.                 node.type === 'undefined' ||
    2187. 

  2187.                 node.type === 'null';
    2188. 

  2188.     }
    2189. 

  2189. 

  2190. 

  2191.     function assignop(s, f) {
    2192. 

  2192.         symbol(s, 20).exps = true;
    2193. 

  2193.         return infix(s, function (left, that) {
    2194. 

  2194.             var l;
    2195. 

  2195.             that.left = left;
    2196. 

  2196.             if (predefined[left.value] === false &&
    2197. 

  2197.                     scope[left.value]['(global)'] === true) {
    2198. 

  2198.                 warning('Read only.', left);
    2199. 

  2199.             }
    2200. 

  2200.             if (option.safe) {
    2201. 

  2201.                 l = left;
    2202. 

  2202.                 do {
    2203. 

  2203.                     if (typeof predefined[l.value] === 'boolean') {
    2204. 

  2204.                         warning('ADsafe violation.', l);
    2205. 

  2205.                     }
    2206. 

  2206.                     l = l.left;
    2207. 

  2207.                 } while (l);
    2208. 

  2208.             }
    2209. 

  2209.             if (left) {
    2210. 

  2210.                 if (left.id === '.' || left.id === '[') {
    2211. 

  2211.                     if (left.left.value === 'arguments') {
    2212. 

  2212.                         warning('Bad assignment.', that);
    2213. 

  2213.                     }
    2214. 

  2214.                     that.right = parse(19);
    2215. 

  2215.                     return that;
    2216. 

  2216.                 } else if (left.identifier && !left.reserved) {
    2217. 

  2217.                     if (funct[left.value] === 'exception') {
    2218. 

  2218.                         warning("Do not assign to the exception parameter.", left);
    2219. 

  2219.                     }
    2220. 

  2220.                     that.right = parse(19);
    2221. 

  2221.                     return that;
    2222. 

  2222.                 }
    2223. 

  2223.                 if (left === syntax['function']) {
    2224. 

  2224.                     warning(
    2225. 

  2225. "Expected an identifier in an assignment and instead saw a function invocation.",
    2226. 

  2226.                                 token);
    2227. 

  2227.                 }
    2228. 

  2228.             }
    2229. 

  2229.             error("Bad assignment.", that);
    2230. 

  2230.         }, 20);
    2231. 

  2231.     }
    2232. 

  2232. 

  2233.     function bitwise(s, f, p) {
    2234. 

  2234.         var x = symbol(s, p);
    2235. 

  2235.         reserveName(x);
    2236. 

  2236.         x.led = (typeof f === 'function') ? f : function (left) {
    2237. 

  2237.             if (option.bitwise) {
    2238. 

  2238.                 warning("Unexpected use of '{a}'.", this, this.id);
    2239. 

  2239.             }
    2240. 

  2240.             this.left = left;
    2241. 

  2241.             this.right = parse(p);
    2242. 

  2242.             return this;
    2243. 

  2243.         };
    2244. 

  2244.         return x;
    2245. 

  2245.     }
    2246. 

  2246. 

  2247.     function bitwiseassignop(s) {
    2248. 

  2248.         symbol(s, 20).exps = true;
    2249. 

  2249.         return infix(s, function (left, that) {
    2250. 

  2250.             if (option.bitwise) {
    2251. 

  2251.                 warning("Unexpected use of '{a}'.", that, that.id);
    2252. 

  2252.             }
    2253. 

  2253.             nonadjacent(prevtoken, token);
    2254. 

  2254.             nonadjacent(token, nexttoken);
    2255. 

  2255.             if (left) {
    2256. 

  2256.                 if (left.id === '.' || left.id === '[' ||
    2257. 

  2257.                         (left.identifier && !left.reserved)) {
    2258. 

  2258.                     parse(19);
    2259. 

  2259.                     return left;
    2260. 

  2260.                 }
    2261. 

  2261.                 if (left === syntax['function']) {
    2262. 

  2262.                     warning(
    2263. 

  2263. "Expected an identifier in an assignment, and instead saw a function invocation.",
    2264. 

  2264.                                 token);
    2265. 

  2265.                 }
    2266. 

  2266.             }
    2267. 

  2267.             error("Bad assignment.", that);
    2268. 

  2268.         }, 20);
    2269. 

  2269.     }
    2270. 

  2270. 

  2271. 

  2272.     function suffix(s, f) {
    2273. 

  2273.         var x = symbol(s, 150);
    2274. 

  2274.         x.led = function (left) {
    2275. 

  2275.             if (option.plusplus) {
    2276. 

  2276.                 warning("Unexpected use of '{a}'.", this, this.id);
    2277. 

  2277.             } else if ((!left.identifier || left.reserved) && left.id !== '.' && left.id !== '[') {
    2278. 

  2278.                 warning("Bad operand.", this);
    2279. 

  2279.             }
    2280. 

  2280.             this.left = left;
    2281. 

  2281.             return this;
    2282. 

  2282.         };
    2283. 

  2283.         return x;
    2284. 

  2284.     }
    2285. 

  2285. 

  2286. 

  2287.     function optionalidentifier() {
    2288. 

  2288.         if (nexttoken.reserved) {
    2289. 

  2289.             warning("Expected an identifier and instead saw '{a}' (a reserved word).",
    2290. 

  2290.                     nexttoken, nexttoken.id);
    2291. 

  2291.         }
    2292. 

  2292.         if (nexttoken.identifier) {
    2293. 

  2293.             advance();
    2294. 

  2294.             return token.value;
    2295. 

  2295.         }
    2296. 

  2296.     }
    2297. 

  2297. 

  2298. 

  2299.     function identifier() {
    2300. 

  2300.         var i = optionalidentifier();
    2301. 

  2301.         if (i) {
    2302. 

  2302.             return i;
    2303. 

  2303.         }
    2304. 

  2304.         if (token.id === 'function' && nexttoken.id === '(') {
    2305. 

  2305.             warning("Missing name in function statement.");
    2306. 

  2306.         } else {
    2307. 

  2307.             error("Expected an identifier and instead saw '{a}'.",
    2308. 

  2308.                     nexttoken, nexttoken.value);
    2309. 

  2309.         }
    2310. 

  2310.     }
    2311. 

  2311. 

  2312.     function reachable(s) {
    2313. 

  2313.         var i = 0, t;
    2314. 

  2314.         if (nexttoken.id !== ';' || noreach) {
    2315. 

  2315.             return;
    2316. 

  2316.         }
    2317. 

  2317.         for (;;) {
    2318. 

  2318.             t = peek(i);
    2319. 

  2319.             if (t.reach) {
    2320. 

  2320.                 return;
    2321. 

  2321.             }
    2322. 

  2322.             if (t.id !== '(endline)') {
    2323. 

  2323.                 if (t.id === 'function') {
    2324. 

  2324.                     warning(
    2325. 

  2325. "Inner functions should be listed at the top of the outer function.", t);
    2326. 

  2326.                     break;
    2327. 

  2327.                 }
    2328. 

  2328.                 warning("Unreachable '{a}' after '{b}'.", t, t.value, s);
    2329. 

  2329.                 break;
    2330. 

  2330.             }
    2331. 

  2331.             i += 1;
    2332. 

  2332.         }
    2333. 

  2333.     }
    2334. 

  2334. 

  2335. 

  2336.     function statement(noindent) {
    2337. 

  2337.         var i = indent, r, s = scope, t = nexttoken;
    2338. 

  2338. 

  2339. // We don't like the empty statement.
    2340. 

  2340. 

  2341.         if (t.id === ';') {
    2342. 

  2342.             warning("Unnecessary semicolon.", t);
    2343. 

  2343.             advance(';');
    2344. 

  2344.             return;
    2345. 

  2345.         }
    2346. 

  2346. 

  2347. // Is this a labelled statement?
    2348. 

  2348. 

  2349.         if (t.identifier && !t.reserved && peek().id === ':') {
    2350. 

  2350.             advance();
    2351. 

  2351.             advance(':');
    2352. 

  2352.             scope = Object.create(s);
    2353. 

  2353.             addlabel(t.value, 'label');
    2354. 

  2354.             if (!nexttoken.labelled) {
    2355. 

  2355.                 warning("Label '{a}' on {b} statement.",
    2356. 

  2356.                         nexttoken, t.value, nexttoken.value);
    2357. 

  2357.             }
    2358. 

  2358.             if (jx.test(t.value + ':')) {
    2359. 

  2359.                 warning("Label '{a}' looks like a javascript url.",
    2360. 

  2360.                         t, t.value);
    2361. 

  2361.             }
    2362. 

  2362.             nexttoken.label = t.value;
    2363. 

  2363.             t = nexttoken;
    2364. 

  2364.         }
    2365. 

  2365. 

  2366. // Parse the statement.
    2367. 

  2367. 

  2368.         if (!noindent) {
    2369. 

  2369.             indentation();
    2370. 

  2370.         }
    2371. 

  2371.         r = parse(0, true);
    2372. 

  2372. 

  2373. // Look for the final semicolon.
    2374. 

  2374. 

  2375.         if (!t.block) {
    2376. 

  2376.             if (nexttoken.id !== ';') {
    2377. 

  2377.                 warningAt("Missing semicolon.", token.line,
    2378. 

  2378.                         token.from + token.value.length);
    2379. 

  2379.             } else {
    2380. 

  2380.                 adjacent(token, nexttoken);
    2381. 

  2381.                 advance(';');
    2382. 

  2382.                 nonadjacent(token, nexttoken);
    2383. 

  2383.             }
    2384. 

  2384.         }
    2385. 

  2385. 

  2386. // Restore the indentation.
    2387. 

  2387. 

  2388.         indent = i;
    2389. 

  2389.         scope = s;
    2390. 

  2390.         return r;
    2391. 

  2391.     }
    2392. 

  2392. 

  2393. 

  2394.     function use_strict() {
    2395. 

  2395.         if (nexttoken.value === 'use strict') {
    2396. 

  2396.             advance();
    2397. 

  2397.             advance(';');
    2398. 

  2398.             return true;
    2399. 

  2399.         } else {
    2400. 

  2400.             return false;
    2401. 

  2401.         }
    2402. 

  2402.     }
    2403. 

  2403. 

  2404. 

  2405.     function statements(begin) {
    2406. 

  2406.         var a = [], f, p;
    2407. 

  2407.         if (begin && !use_strict() && option.strict) {
    2408. 

  2408.             warning('Missing "use strict" statement.', nexttoken);
    2409. 

  2409.         }
    2410. 

  2410.         if (option.adsafe) {
    2411. 

  2411.             switch (begin) {
    2412. 

  2412.             case 'script':
    2413. 

  2413.                 if (!adsafe_may) {
    2414. 

  2414.                     if (nexttoken.value !== 'ADSAFE' ||
    2415. 

  2415.                             peek(0).id !== '.' ||
    2416. 

  2416.                             (peek(1).value !== 'id' &&
    2417. 

  2417.                             peek(1).value !== 'go')) {
    2418. 

  2418.                         error('ADsafe violation: Missing ADSAFE.id or ADSAFE.go.',
    2419. 

  2419.                             nexttoken);
    2420. 

  2420.                     }
    2421. 

  2421.                 }
    2422. 

  2422.                 if (nexttoken.value === 'ADSAFE' &&
    2423. 

  2423.                         peek(0).id === '.' &&
    2424. 

  2424.                         peek(1).value === 'id') {
    2425. 

  2425.                     if (adsafe_may) {
    2426. 

  2426.                         error('ADsafe violation.', nexttoken);
    2427. 

  2427.                     }
    2428. 

  2428.                     advance('ADSAFE');
    2429. 

  2429.                     advance('.');
    2430. 

  2430.                     advance('id');
    2431. 

  2431.                     advance('(');
    2432. 

  2432.                     if (nexttoken.value !== adsafe_id) {
    2433. 

  2433.                         error('ADsafe violation: id does not match.', nexttoken);
    2434. 

  2434.                     }
    2435. 

  2435.                     advance('(string)');
    2436. 

  2436.                     advance(')');
    2437. 

  2437.                     advance(';');
    2438. 

  2438.                     adsafe_may = true;
    2439. 

  2439.                 }
    2440. 

  2440.                 break;
    2441. 

  2441.             case 'lib':
    2442. 

  2442.                 if (nexttoken.value === 'ADSAFE') {
    2443. 

  2443.                     advance('ADSAFE');
    2444. 

  2444.                     advance('.');
    2445. 

  2445.                     advance('lib');
    2446. 

  2446.                     advance('(');
    2447. 

  2447.                     advance('(string)');
    2448. 

  2448.                     comma();
    2449. 

  2449.                     f = parse(0);
    2450. 

  2450.                     if (f.id !== 'function') {
    2451. 

  2451.                         error('The second argument to lib must be a function.', f);
    2452. 

  2452.                     }
    2453. 

  2453.                     p = f.funct['(params)'].join(', ');
    2454. 

  2454.                     if (p && p !== 'lib') {
    2455. 

  2455.                         error("Expected '{a}' and instead saw '{b}'.",
    2456. 

  2456.                             f, '(lib)', '(' + p + ')');
    2457. 

  2457.                     }
    2458. 

  2458.                     advance(')');
    2459. 

  2459.                     advance(';');
    2460. 

  2460.                     return a;
    2461. 

  2461.                 } else {
    2462. 

  2462.                     error("ADsafe lib violation.");
    2463. 

  2463.                 }
    2464. 

  2464.             }
    2465. 

  2465.         }
    2466. 

  2466.         while (!nexttoken.reach && nexttoken.id !== '(end)') {
    2467. 

  2467.             if (nexttoken.id === ';') {
    2468. 

  2468.                 warning("Unnecessary semicolon.");
    2469. 

  2469.                 advance(';');
    2470. 

  2470.             } else {
    2471. 

  2471.                 a.push(statement());
    2472. 

  2472.             }
    2473. 

  2473.         }
    2474. 

  2474.         return a;
    2475. 

  2475.     }
    2476. 

  2476. 

  2477. 

  2478.     function block(f) {
    2479. 

  2479.         var a, b = inblock, s = scope, t;
    2480. 

  2480.         inblock = f;
    2481. 

  2481.         if (f) {
    2482. 

  2482.             scope = Object.create(scope);
    2483. 

  2483.         }
    2484. 

  2484.         nonadjacent(token, nexttoken);
    2485. 

  2485.         t = nexttoken;
    2486. 

  2486.         if (nexttoken.id === '{') {
    2487. 

  2487.             advance('{');
    2488. 

  2488.             if (nexttoken.id !== '}' || token.line !== nexttoken.line) {
    2489. 

  2489.                 indent += option.indent;
    2490. 

  2490.                 if (!f && nexttoken.from === indent + option.indent) {
    2491. 

  2491.                     indent += option.indent;
    2492. 

  2492.                 }
    2493. 

  2493.                 if (!f) {
    2494. 

  2494.                     use_strict();
    2495. 

  2495.                 }
    2496. 

  2496.                 a = statements();
    2497. 

  2497.                 indent -= option.indent;
    2498. 

  2498.                 indentation();
    2499. 

  2499.             }
    2500. 

  2500.             advance('}', t);
    2501. 

  2501.         } else {
    2502. 

  2502.             warning("Expected '{a}' and instead saw '{b}'.",
    2503. 

  2503.                     nexttoken, '{', nexttoken.value);
    2504. 

  2504.             noreach = true;
    2505. 

  2505.             a = [statement()];
    2506. 

  2506.             noreach = false;
    2507. 

  2507.         }
    2508. 

  2508.         funct['(verb)'] = null;
    2509. 

  2509.         scope = s;
    2510. 

  2510.         inblock = b;
    2511. 

  2511.         return a;
    2512. 

  2512.     }
    2513. 

  2513. 

  2514. 

  2515. // An identity function, used by string and number tokens.
    2516. 

  2516. 

  2517.     function idValue() {
    2518. 

  2518.         return this;
    2519. 

  2519.     }
    2520. 

  2520. 

  2521. 

  2522.     function countMember(m) {
    2523. 

  2523.         if (membersOnly && typeof membersOnly[m] !== 'boolean') {
    2524. 

  2524.             warning("Unexpected /*member '{a}'.", nexttoken, m);
    2525. 

  2525.         }
    2526. 

  2526.         if (typeof member[m] === 'number') {
    2527. 

  2527.             member[m] += 1;
    2528. 

  2528.         } else {
    2529. 

  2529.             member[m] = 1;
    2530. 

  2530.         }
    2531. 

  2531.     }
    2532. 

  2532. 

  2533.     function note_implied(token) {
    2534. 

  2534.         var name = token.value, line = token.line, a = implied[name];
    2535. 

  2535.         if (typeof a === 'function') {
    2536. 

  2536.             a = false;
    2537. 

  2537.         }
    2538. 

  2538.         if (!a) {
    2539. 

  2539.             a = [line];
    2540. 

  2540.             implied[name] = a;
    2541. 

  2541.         } else if (a[a.length - 1] !== line) {
    2542. 

  2542.             a.push(line);
    2543. 

  2543.         }
    2544. 

  2544.     }
    2545. 

  2545. 

  2546. // CSS parsing.
    2547. 

  2547. 

  2548. 

  2549.     function cssName() {
    2550. 

  2550.         if (nexttoken.identifier) {
    2551. 

  2551.             advance();
    2552. 

  2552.             return true;
    2553. 

  2553.         }
    2554. 

  2554.     }
    2555. 

  2555. 

  2556.     function cssNumber() {
    2557. 

  2557.         if (nexttoken.id === '-') {
    2558. 

  2558.             advance('-');
    2559. 

  2559.             advance('(number)');
    2560. 

  2560.         }
    2561. 

  2561.         if (nexttoken.type === '(number)') {
    2562. 

  2562.             advance();
    2563. 

  2563.             return true;
    2564. 

  2564.         }
    2565. 

  2565.     }
    2566. 

  2566. 

  2567.     function cssString() {
    2568. 

  2568.         if (nexttoken.type === '(string)') {
    2569. 

  2569.             advance();
    2570. 

  2570.             return true;
    2571. 

  2571.         }
    2572. 

  2572.     }
    2573. 

  2573. 

  2574.     function cssColor() {
    2575. 

  2575.         var i, number;
    2576. 

  2576.         if (nexttoken.identifier) {
    2577. 

  2577.             if (nexttoken.value === 'rgb') {
    2578. 

  2578.                 advance();
    2579. 

  2579.                 advance('(');
    2580. 

  2580.                 for (i = 0; i < 3; i += 1) {
    2581. 

  2581.                     number = nexttoken.value;
    2582. 

  2582.                     if (nexttoken.type !== '(number)' || number < 0) {
    2583. 

  2583.                         warning("Expected a positive number and instead saw '{a}'",
    2584. 

  2584.                             nexttoken, number);
    2585. 

  2585.                         advance();
    2586. 

  2586.                     } else {
    2587. 

  2587.                         advance();
    2588. 

  2588.                         if (nexttoken.id === '%') {
    2589. 

  2589.                             advance('%');
    2590. 

  2590.                             if (number > 100) {
    2591. 

  2591.                                 warning("Expected a percentage and instead saw '{a}'",
    2592. 

  2592.                                     token, number);
    2593. 

  2593.                             }
    2594. 

  2594.                         } else {
    2595. 

  2595.                             if (number > 255) {
    2596. 

  2596.                                 warning("Expected a small number and instead saw '{a}'",
    2597. 

  2597.                                     token, number);
    2598. 

  2598.                             }
    2599. 

  2599.                         }
    2600. 

  2600.                     }
    2601. 

  2601.                 }
    2602. 

  2602.                 advance(')');
    2603. 

  2603.                 return true;
    2604. 

  2604.             } else if (cssColorData[nexttoken.value] === true) {
    2605. 

  2605.                 advance();
    2606. 

  2606.                 return true;
    2607. 

  2607.             }
    2608. 

  2608.         } else if (nexttoken.type === '(color)') {
    2609. 

  2609.             advance();
    2610. 

  2610.             return true;
    2611. 

  2611.         }
    2612. 

  2612.         return false;
    2613. 

  2613.     }
    2614. 

  2614. 

  2615.     function cssLength() {
    2616. 

  2616.         if (nexttoken.id === '-') {
    2617. 

  2617.             advance('-');
    2618. 

  2618.             adjacent();
    2619. 

  2619.         }
    2620. 

  2620.         if (nexttoken.type === '(number)') {
    2621. 

  2621.             advance();
    2622. 

  2622.             if (nexttoken.type !== '(string)' &&
    2623. 

  2623.                     cssLengthData[nexttoken.value] === true) {
    2624. 

  2624.                 adjacent();
    2625. 

  2625.                 advance();
    2626. 

  2626.             } else if (+token.value !== 0) {
    2627. 

  2627.                 warning("Expected a linear unit and instead saw '{a}'.",
    2628. 

  2628.                     nexttoken, nexttoken.value);
    2629. 

  2629.             }
    2630. 

  2630.             return true;
    2631. 

  2631.         }
    2632. 

  2632.         return false;
    2633. 

  2633.     }
    2634. 

  2634. 

  2635.     function cssLineHeight() {
    2636. 

  2636.         if (nexttoken.id === '-') {
    2637. 

  2637.             advance('-');
    2638. 

  2638.             adjacent();
    2639. 

  2639.         }
    2640. 

  2640.         if (nexttoken.type === '(number)') {
    2641. 

  2641.             advance();
    2642. 

  2642.             if (nexttoken.type !== '(string)' &&
    2643. 

  2643.                     cssLengthData[nexttoken.value] === true) {
    2644. 

  2644.                 adjacent();
    2645. 

  2645.                 advance();
    2646. 

  2646.             }
    2647. 

  2647.             return true;
    2648. 

  2648.         }
    2649. 

  2649.         return false;
    2650. 

  2650.     }
    2651. 

  2651. 

  2652.     function cssWidth() {
    2653. 

  2653.         if (nexttoken.identifier) {
    2654. 

  2654.             switch (nexttoken.value) {
    2655. 

  2655.             case 'thin':
    2656. 

  2656.             case 'medium':
    2657. 

  2657.             case 'thick':
    2658. 

  2658.                 advance();
    2659. 

  2659.                 return true;
    2660. 

  2660.             }
    2661. 

  2661.         } else {
    2662. 

  2662.             return cssLength();
    2663. 

  2663.         }
    2664. 

  2664.     }
    2665. 

  2665. 

  2666.     function cssMargin() {
    2667. 

  2667.         if (nexttoken.identifier) {
    2668. 

  2668.             if (nexttoken.value === 'auto') {
    2669. 

  2669.                 advance();
    2670. 

  2670.                 return true;
    2671. 

  2671.             }
    2672. 

  2672.         } else {
    2673. 

  2673.             return cssLength();
    2674. 

  2674.         }
    2675. 

  2675.     }
    2676. 

  2676. 

  2677.     function cssAttr() {
    2678. 

  2678.         if (nexttoken.identifier && nexttoken.value === 'attr') {
    2679. 

  2679.             advance();
    2680. 

  2680.             advance('(');
    2681. 

  2681.             if (!nexttoken.identifier) {
    2682. 

  2682.                 warning("Expected a name and instead saw '{a}'.",
    2683. 

  2683.                         nexttoken, nexttoken.value);
    2684. 

  2684.             }
    2685. 

  2685.             advance();
    2686. 

  2686.             advance(')');
    2687. 

  2687.             return true;
    2688. 

  2688.         }
    2689. 

  2689.         return false;
    2690. 

  2690.     }
    2691. 

  2691. 

  2692.     function cssCommaList() {
    2693. 

  2693.         while (nexttoken.id !== ';') {
    2694. 

  2694.             if (!cssName() && !cssString()) {
    2695. 

  2695.                 warning("Expected a name and instead saw '{a}'.",
    2696. 

  2696.                         nexttoken, nexttoken.value);
    2697. 

  2697.             }
    2698. 

  2698.             if (nexttoken.id !== ',') {
    2699. 

  2699.                 return true;
    2700. 

  2700.             }
    2701. 

  2701.             comma();
    2702. 

  2702.         }
    2703. 

  2703.     }
    2704. 

  2704. 

  2705.     function cssCounter() {
    2706. 

  2706.         if (nexttoken.identifier && nexttoken.value === 'counter') {
    2707. 

  2707.             advance();
    2708. 

  2708.             advance('(');
    2709. 

  2709.             if (!nexttoken.identifier) {
    2710. 

  2710.             }
    2711. 

  2711.             advance();
    2712. 

  2712.             if (nexttoken.id === ',') {
    2713. 

  2713.                 comma();
    2714. 

  2714.                 if (nexttoken.type !== '(string)') {
    2715. 

  2715.                     warning("Expected a string and instead saw '{a}'.",
    2716. 

  2716.                         nexttoken, nexttoken.value);
    2717. 

  2717.                 }
    2718. 

  2718.                 advance();
    2719. 

  2719.             }
    2720. 

  2720.             advance(')');
    2721. 

  2721.             return true;
    2722. 

  2722.         }
    2723. 

  2723.         if (nexttoken.identifier && nexttoken.value === 'counters') {
    2724. 

  2724.             advance();
    2725. 

  2725.             advance('(');
    2726. 

  2726.             if (!nexttoken.identifier) {
    2727. 

  2727.                 warning("Expected a name and instead saw '{a}'.",
    2728. 

  2728.                         nexttoken, nexttoken.value);
    2729. 

  2729.             }
    2730. 

  2730.             advance();
    2731. 

  2731.             if (nexttoken.id === ',') {
    2732. 

  2732.                 comma();
    2733. 

  2733.                 if (nexttoken.type !== '(string)') {
    2734. 

  2734.                     warning("Expected a string and instead saw '{a}'.",
    2735. 

  2735.                         nexttoken, nexttoken.value);
    2736. 

  2736.                 }
    2737. 

  2737.                 advance();
    2738. 

  2738.             }
    2739. 

  2739.             if (nexttoken.id === ',') {
    2740. 

  2740.                 comma();
    2741. 

  2741.                 if (nexttoken.type !== '(string)') {
    2742. 

  2742.                     warning("Expected a string and instead saw '{a}'.",
    2743. 

  2743.                         nexttoken, nexttoken.value);
    2744. 

  2744.                 }
    2745. 

  2745.                 advance();
    2746. 

  2746.             }
    2747. 

  2747.             advance(')');
    2748. 

  2748.             return true;
    2749. 

  2749.         }
    2750. 

  2750.         return false;
    2751. 

  2751.     }
    2752. 

  2752. 

  2753. 

  2754.     function cssShape() {
    2755. 

  2755.         var i;
    2756. 

  2756.         if (nexttoken.identifier && nexttoken.value === 'rect') {
    2757. 

  2757.             advance();
    2758. 

  2758.             advance('(');
    2759. 

  2759.             for (i = 0; i < 4; i += 1) {
    2760. 

  2760.                 if (!cssLength()) {
    2761. 

  2761.                     warning("Expected a number and instead saw '{a}'.",
    2762. 

  2762.                         nexttoken, nexttoken.value);
    2763. 

  2763.                     break;
    2764. 

  2764.                 }
    2765. 

  2765.             }
    2766. 

  2766.             advance(')');
    2767. 

  2767.             return true;
    2768. 

  2768.         }
    2769. 

  2769.         return false;
    2770. 

  2770.     }
    2771. 

  2771. 

  2772.     function cssUrl() {
    2773. 

  2773.         var url;
    2774. 

  2774.         if (nexttoken.identifier && nexttoken.value === 'url') {
    2775. 

  2775.             nexttoken = lex.range('(', ')');
    2776. 

  2776.             url = nexttoken.value;
    2777. 

  2777.             advance();
    2778. 

  2778.             if (option.safe && ux.test(url)) {
    2779. 

  2779.                 error("ADsafe URL violation.");
    2780. 

  2780.             }
    2781. 

  2781.             urls.push(url);
    2782. 

  2782.             return true;
    2783. 

  2783.         }
    2784. 

  2784.         return false;
    2785. 

  2785.     }
    2786. 

  2786. 

  2787.     cssAny = [cssUrl, function () {
    2788. 

  2788.         for (;;) {
    2789. 

  2789.             if (nexttoken.identifier) {
    2790. 

  2790.                 switch (nexttoken.value.toLowerCase()) {
    2791. 

  2791.                 case 'url':
    2792. 

  2792.                     cssUrl();
    2793. 

  2793.                     break;
    2794. 

  2794.                 case 'expression':
    2795. 

  2795.                     warning("Unexpected expression '{a}'.",
    2796. 

  2796.                         nexttoken, nexttoken.value);
    2797. 

  2797.                     advance();
    2798. 

  2798.                     break;
    2799. 

  2799.                 default:
    2800. 

  2800.                     advance();
    2801. 

  2801.                 }
    2802. 

  2802.             } else {
    2803. 

  2803.                 if (nexttoken.id === ';' || nexttoken.id === '!'  ||
    2804. 

  2804.                         nexttoken.id === '(end)' || nexttoken.id === '}') {
    2805. 

  2805.                     return true;
    2806. 

  2806.                 }
    2807. 

  2807.                 advance();
    2808. 

  2808.             }
    2809. 

  2809.         }
    2810. 

  2810.     }];
    2811. 

  2811. 

  2812.     cssBorderStyle = [
    2813. 

  2813.         'none', 'hidden', 'dotted', 'dashed', 'solid', 'double', 'ridge',
    2814. 

  2814.         'inset', 'outset'
    2815. 

  2815.     ];
    2816. 

  2816. 

  2817.     cssBreak = [
    2818. 

  2818.         'auto', 'always', 'avoid', 'left', 'right'
    2819. 

  2819.     ];
    2820. 

  2820. 

  2821.     cssAttributeData = {
    2822. 

  2822.         background: [
    2823. 

  2823.             true, 'background-attachment', 'background-color',
    2824. 

  2824.             'background-image', 'background-position', 'background-repeat'
    2825. 

  2825.         ],
    2826. 

  2826.         'background-attachment': ['scroll', 'fixed'],
    2827. 

  2827.         'background-color': ['transparent', cssColor],
    2828. 

  2828.         'background-image': ['none', cssUrl],
    2829. 

  2829.         'background-position': [
    2830. 

  2830.             2, [cssLength, 'top', 'bottom', 'left', 'right', 'center']
    2831. 

  2831.         ],
    2832. 

  2832.         'background-repeat': [
    2833. 

  2833.             'repeat', 'repeat-x', 'repeat-y', 'no-repeat'
    2834. 

  2834.         ],
    2835. 

  2835.         'border': [true, 'border-color', 'border-style', 'border-width'],
    2836. 

  2836.         'border-bottom': [true, 'border-bottom-color', 'border-bottom-style', 'border-bottom-width'],
    2837. 

  2837.         'border-bottom-color': cssColor,
    2838. 

  2838.         'border-bottom-style': cssBorderStyle,
    2839. 

  2839.         'border-bottom-width': cssWidth,
    2840. 

  2840.         'border-collapse': ['collapse', 'separate'],
    2841. 

  2841.         'border-color': ['transparent', 4, cssColor],
    2842. 

  2842.         'border-left': [
    2843. 

  2843.             true, 'border-left-color', 'border-left-style', 'border-left-width'
    2844. 

  2844.         ],
    2845. 

  2845.         'border-left-color': cssColor,
    2846. 

  2846.         'border-left-style': cssBorderStyle,
    2847. 

  2847.         'border-left-width': cssWidth,
    2848. 

  2848.         'border-right': [
    2849. 

  2849.             true, 'border-right-color', 'border-right-style', 'border-right-width'
    2850. 

  2850.         ],
    2851. 

  2851.         'border-right-color': cssColor,
    2852. 

  2852.         'border-right-style': cssBorderStyle,
    2853. 

  2853.         'border-right-width': cssWidth,
    2854. 

  2854.         'border-spacing': [2, cssLength],
    2855. 

  2855.         'border-style': [4, cssBorderStyle],
    2856. 

  2856.         'border-top': [
    2857. 

  2857.             true, 'border-top-color', 'border-top-style', 'border-top-width'
    2858. 

  2858.         ],
    2859. 

  2859.         'border-top-color': cssColor,
    2860. 

  2860.         'border-top-style': cssBorderStyle,
    2861. 

  2861.         'border-top-width': cssWidth,
    2862. 

  2862.         'border-width': [4, cssWidth],
    2863. 

  2863.         bottom: [cssLength, 'auto'],
    2864. 

  2864.         'caption-side' : ['bottom', 'left', 'right', 'top'],
    2865. 

  2865.         clear: ['both', 'left', 'none', 'right'],
    2866. 

  2866.         clip: [cssShape, 'auto'],
    2867. 

  2867.         color: cssColor,
    2868. 

  2868.         content: [
    2869. 

  2869.             'open-quote', 'close-quote', 'no-open-quote', 'no-close-quote',
    2870. 

  2870.             cssString, cssUrl, cssCounter, cssAttr
    2871. 

  2871.         ],
    2872. 

  2872.         'counter-increment': [
    2873. 

  2873.             cssName, 'none'
    2874. 

  2874.         ],
    2875. 

  2875.         'counter-reset': [
    2876. 

  2876.             cssName, 'none'
    2877. 

  2877.         ],
    2878. 

  2878.         cursor: [
    2879. 

  2879.             cssUrl, 'auto', 'crosshair', 'default', 'e-resize', 'help', 'move',
    2880. 

  2880.             'n-resize', 'ne-resize', 'nw-resize', 'pointer', 's-resize',
    2881. 

  2881.             'se-resize', 'sw-resize', 'w-resize', 'text', 'wait'
    2882. 

  2882.         ],
    2883. 

  2883.         direction: ['ltr', 'rtl'],
    2884. 

  2884.         display: [
    2885. 

  2885.             'block', 'compact', 'inline', 'inline-block', 'inline-table',
    2886. 

  2886.             'list-item', 'marker', 'none', 'run-in', 'table', 'table-caption',
    2887. 

  2887.             'table-cell', 'table-column', 'table-column-group', 'table-footer-group',
    2888. 

  2888.             'table-header-group', 'table-row', 'table-row-group'
    2889. 

  2889.         ],
    2890. 

  2890.         'empty-cells': ['show', 'hide'],
    2891. 

  2891.         'float': ['left', 'none', 'right'],
    2892. 

  2892.         font: [
    2893. 

  2893.             'caption', 'icon', 'menu', 'message-box', 'small-caption', 'status-bar',
    2894. 

  2894.             true, 'font-size', 'font-style', 'font-weight', 'font-family'
    2895. 

  2895.         ],
    2896. 

  2896.         'font-family': cssCommaList,
    2897. 

  2897.         'font-size': [
    2898. 

  2898.             'xx-small', 'x-small', 'small', 'medium', 'large', 'x-large',
    2899. 

  2899.             'xx-large', 'larger', 'smaller', cssLength
    2900. 

  2900.         ],
    2901. 

  2901.         'font-size-adjust': ['none', cssNumber],
    2902. 

  2902.         'font-stretch': [
    2903. 

  2903.             'normal', 'wider', 'narrower', 'ultra-condensed',
    2904. 

  2904.             'extra-condensed', 'condensed', 'semi-condensed',
    2905. 

  2905.             'semi-expanded', 'expanded', 'extra-expanded'
    2906. 

  2906.         ],
    2907. 

  2907.         'font-style': [
    2908. 

  2908.             'normal', 'italic', 'oblique'
    2909. 

  2909.         ],
    2910. 

  2910.         'font-variant': [
    2911. 

  2911.             'normal', 'small-caps'
    2912. 

  2912.         ],
    2913. 

  2913.         'font-weight': [
    2914. 

  2914.             'normal', 'bold', 'bolder', 'lighter', cssNumber
    2915. 

  2915.         ],
    2916. 

  2916.         height: [cssLength, 'auto'],
    2917. 

  2917.         left: [cssLength, 'auto'],
    2918. 

  2918.         'letter-spacing': ['normal', cssLength],
    2919. 

  2919.         'line-height': ['normal', cssLineHeight],
    2920. 

  2920.         'list-style': [
    2921. 

  2921.             true, 'list-style-image', 'list-style-position', 'list-style-type'
    2922. 

  2922.         ],
    2923. 

  2923.         'list-style-image': ['none', cssUrl],
    2924. 

  2924.         'list-style-position': ['inside', 'outside'],
    2925. 

  2925.         'list-style-type': [
    2926. 

  2926.             'circle', 'disc', 'square', 'decimal', 'decimal-leading-zero',
    2927. 

  2927.             'lower-roman', 'upper-roman', 'lower-greek', 'lower-alpha',
    2928. 

  2928.             'lower-latin', 'upper-alpha', 'upper-latin', 'hebrew', 'katakana',
    2929. 

  2929.             'hiragana-iroha', 'katakana-oroha', 'none'
    2930. 

  2930.         ],
    2931. 

  2931.         margin: [4, cssMargin],
    2932. 

  2932.         'margin-bottom': cssMargin,
    2933. 

  2933.         'margin-left': cssMargin,
    2934. 

  2934.         'margin-right': cssMargin,
    2935. 

  2935.         'margin-top': cssMargin,
    2936. 

  2936.         'marker-offset': [cssLength, 'auto'],
    2937. 

  2937.         'max-height': [cssLength, 'none'],
    2938. 

  2938.         'max-width': [cssLength, 'none'],
    2939. 

  2939.         'min-height': cssLength,
    2940. 

  2940.         'min-width': cssLength,
    2941. 

  2941.         opacity: cssNumber,
    2942. 

  2942.         outline: [true, 'outline-color', 'outline-style', 'outline-width'],
    2943. 

  2943.         'outline-color': ['invert', cssColor],
    2944. 

  2944.         'outline-style': [
    2945. 

  2945.             'dashed', 'dotted', 'double', 'groove', 'inset', 'none',
    2946. 

  2946.             'outset', 'ridge', 'solid'
    2947. 

  2947.         ],
    2948. 

  2948.         'outline-width': cssWidth,
    2949. 

  2949.         overflow: ['auto', 'hidden', 'scroll', 'visible'],
    2950. 

  2950.         padding: [4, cssLength],
    2951. 

  2951.         'padding-bottom': cssLength,
    2952. 

  2952.         'padding-left': cssLength,
    2953. 

  2953.         'padding-right': cssLength,
    2954. 

  2954.         'padding-top': cssLength,
    2955. 

  2955.         'page-break-after': cssBreak,
    2956. 

  2956.         'page-break-before': cssBreak,
    2957. 

  2957.         position: ['absolute', 'fixed', 'relative', 'static'],
    2958. 

  2958.         quotes: [8, cssString],
    2959. 

  2959.         right: [cssLength, 'auto'],
    2960. 

  2960.         'table-layout': ['auto', 'fixed'],
    2961. 

  2961.         'text-align': ['center', 'justify', 'left', 'right'],
    2962. 

  2962.         'text-decoration': ['none', 'underline', 'overline', 'line-through', 'blink'],
    2963. 

  2963.         'text-indent': cssLength,
    2964. 

  2964.         'text-shadow': ['none', 4, [cssColor, cssLength]],
    2965. 

  2965.         'text-transform': ['capitalize', 'uppercase', 'lowercase', 'none'],
    2966. 

  2966.         top: [cssLength, 'auto'],
    2967. 

  2967.         'unicode-bidi': ['normal', 'embed', 'bidi-override'],
    2968. 

  2968.         'vertical-align': [
    2969. 

  2969.             'baseline', 'bottom', 'sub', 'super', 'top', 'text-top', 'middle',
    2970. 

  2970.             'text-bottom', cssLength
    2971. 

  2971.         ],
    2972. 

  2972.         visibility: ['visible', 'hidden', 'collapse'],
    2973. 

  2973.         'white-space': ['normal', 'pre', 'nowrap'],
    2974. 

  2974.         width: [cssLength, 'auto'],
    2975. 

  2975.         'word-spacing': ['normal', cssLength],
    2976. 

  2976.         'z-index': ['auto', cssNumber]
    2977. 

  2977.     };
    2978. 

  2978. 

  2979.     function styleAttribute() {
    2980. 

  2980.         var v;
    2981. 

  2981.         while (nexttoken.id === '*' || nexttoken.id === '#' || nexttoken.value === '_') {
    2982. 

  2982.             if (!option.css) {
    2983. 

  2983.                 warning("Unexpected '{a}'.", nexttoken, nexttoken.value);
    2984. 

  2984.             }
    2985. 

  2985.             advance();
    2986. 

  2986.         }
    2987. 

  2987.         if (nexttoken.id === '-') {
    2988. 

  2988.             if (!option.css) {
    2989. 

  2989.                 warning("Unexpected '{a}'.", nexttoken, nexttoken.value);
    2990. 

  2990.             }
    2991. 

  2991.             advance('-');
    2992. 

  2992.             if (!nexttoken.identifier) {
    2993. 

  2993.                 warning("Expected a non-standard style attribute and instead saw '{a}'.",
    2994. 

  2994.                     nexttoken, nexttoken.value);
    2995. 

  2995.             }
    2996. 

  2996.             advance();
    2997. 

  2997.             return cssAny;
    2998. 

  2998.         } else {
    2999. 

  2999.             if (!nexttoken.identifier) {
    3000. 

  3000.                 warning("Excepted a style attribute, and instead saw '{a}'.",
    3001. 

  3001.                     nexttoken, nexttoken.value);
    3002. 

  3002.             } else {
    3003. 

  3003.                 if (is_own(cssAttributeData, nexttoken.value)) {
    3004. 

  3004.                     v = cssAttributeData[nexttoken.value];
    3005. 

  3005.                 } else {
    3006. 

  3006.                     v = cssAny;
    3007. 

  3007.                     if (!option.css) {
    3008. 

  3008.                         warning("Unrecognized style attribute '{a}'.",
    3009. 

  3009.                                 nexttoken, nexttoken.value);
    3010. 

  3010.                     }
    3011. 

  3011.                 }
    3012. 

  3012.             }
    3013. 

  3013.             advance();
    3014. 

  3014.             return v;
    3015. 

  3015.         }
    3016. 

  3016.     }
    3017. 

  3017. 

  3018.     function styleValue(v) {
    3019. 

  3019.         var i = 0,
    3020. 

  3020.             n,
    3021. 

  3021.             once,
    3022. 

  3022.             match,
    3023. 

  3023.             round,
    3024. 

  3024.             start = 0,
    3025. 

  3025.             vi;
    3026. 

  3026.         switch (typeof v) {
    3027. 

  3027.         case 'function':
    3028. 

  3028.             return v();
    3029. 

  3029.         case 'string':
    3030. 

  3030.             if (nexttoken.identifier && nexttoken.value === v) {
    3031. 

  3031.                 advance();
    3032. 

  3032.                 return true;
    3033. 

  3033.             }
    3034. 

  3034.             return false;
    3035. 

  3035.         }
    3036. 

  3036.         for (;;) {
    3037. 

  3037.             if (i >= v.length) {
    3038. 

  3038.                 return false;
    3039. 

  3039.             }
    3040. 

  3040.             vi = v[i];
    3041. 

  3041.             i += 1;
    3042. 

  3042.             if (vi === true) {
    3043. 

  3043.                 break;
    3044. 

  3044.             } else if (typeof vi === 'number') {
    3045. 

  3045.                 n = vi;
    3046. 

  3046.                 vi = v[i];
    3047. 

  3047.                 i += 1;
    3048. 

  3048.             } else {
    3049. 

  3049.                 n = 1;
    3050. 

  3050.             }
    3051. 

  3051.             match = false;
    3052. 

  3052.             while (n > 0) {
    3053. 

  3053.                 if (styleValue(vi)) {
    3054. 

  3054.                     match = true;
    3055. 

  3055.                     n -= 1;
    3056. 

  3056.                 } else {
    3057. 

  3057.                     break;
    3058. 

  3058.                 }
    3059. 

  3059.             }
    3060. 

  3060.             if (match) {
    3061. 

  3061.                 return true;
    3062. 

  3062.             }
    3063. 

  3063.         }
    3064. 

  3064.         start = i;
    3065. 

  3065.         once = [];
    3066. 

  3066.         for (;;) {
    3067. 

  3067.             round = false;
    3068. 

  3068.             for (i = start; i < v.length; i += 1) {
    3069. 

  3069.                 if (!once[i]) {
    3070. 

  3070.                     if (styleValue(cssAttributeData[v[i]])) {
    3071. 

  3071.                         match = true;
    3072. 

  3072.                         round = true;
    3073. 

  3073.                         once[i] = true;
    3074. 

  3074.                         break;
    3075. 

  3075.                     }
    3076. 

  3076.                 }
    3077. 

  3077.             }
    3078. 

  3078.             if (!round) {
    3079. 

  3079.                 return match;
    3080. 

  3080.             }
    3081. 

  3081.         }
    3082. 

  3082.     }
    3083. 

  3083. 

  3084.     function styleChild() {
    3085. 

  3085.         if (nexttoken.id === '(number)') {
    3086. 

  3086.             advance();
    3087. 

  3087.             if (nexttoken.value === 'n' && nexttoken.identifier) {
    3088. 

  3088.                 adjacent();
    3089. 

  3089.                 advance();
    3090. 

  3090.                 if (nexttoken.id === '+') {
    3091. 

  3091.                     adjacent();
    3092. 

  3092.                     advance('+');
    3093. 

  3093.                     adjacent();
    3094. 

  3094.                     advance('(number)');
    3095. 

  3095.                 }
    3096. 

  3096.             }
    3097. 

  3097.             return;
    3098. 

  3098.         } else {
    3099. 

  3099.             switch (nexttoken.value) {
    3100. 

  3100.             case 'odd':
    3101. 

  3101.             case 'even':
    3102. 

  3102.                 if (nexttoken.identifier) {
    3103. 

  3103.                     advance();
    3104. 

  3104.                     return;
    3105. 

  3105.                 }
    3106. 

  3106.             }
    3107. 

  3107.         }
    3108. 

  3108.         warning("Unexpected token '{a}'.", nexttoken, nexttoken.value);
    3109. 

  3109.     }
    3110. 

  3110. 

  3111.     function substyle() {
    3112. 

  3112.         var v;
    3113. 

  3113.         for (;;) {
    3114. 

  3114.             if (nexttoken.id === '}' || nexttoken.id === '(end)' ||
    3115. 

  3115.                     xquote && nexttoken.id === xquote) {
    3116. 

  3116.                 return;
    3117. 

  3117.             }
    3118. 

  3118.             while (nexttoken.id === ';') {
    3119. 

  3119.                 warning("Misplaced ';'.");
    3120. 

  3120.                 advance(';');
    3121. 

  3121.             }
    3122. 

  3122.             v = styleAttribute();
    3123. 

  3123.             advance(':');
    3124. 

  3124.             if (nexttoken.identifier && nexttoken.value === 'inherit') {
    3125. 

  3125.                 advance();
    3126. 

  3126.             } else {
    3127. 

  3127.                 styleValue(v);
    3128. 

  3128.             }
    3129. 

  3129.             while (nexttoken.id !== ';' && nexttoken.id !== '!' &&
    3130. 

  3130.                     nexttoken.id !== '}' && nexttoken.id !== '(end)' &&
    3131. 

  3131.                     nexttoken.id !== xquote) {
    3132. 

  3132.                 warning("Unexpected token '{a}'.", nexttoken, nexttoken.value);
    3133. 

  3133.                 advance();
    3134. 

  3134.             }
    3135. 

  3135.             if (nexttoken.id === '!') {
    3136. 

  3136.                 advance('!');
    3137. 

  3137.                 adjacent();
    3138. 

  3138.                 if (nexttoken.identifier && nexttoken.value === 'important') {
    3139. 

  3139.                     advance();
    3140. 

  3140.                 } else {
    3141. 

  3141.                     warning("Expected '{a}' and instead saw '{b}'.",
    3142. 

  3142.                         nexttoken, 'important', nexttoken.value);
    3143. 

  3143.                 }
    3144. 

  3144.             }
    3145. 

  3145.             if (nexttoken.id === '}' || nexttoken.id === xquote) {
    3146. 

  3146.                 warning("Missing '{a}'.", nexttoken, ';');
    3147. 

  3147.             } else {
    3148. 

  3148.                 advance(';');
    3149. 

  3149.             }
    3150. 

  3150.         }
    3151. 

  3151.     }
    3152. 

  3152. 

  3153.     function styleSelector() {
    3154. 

  3154.         if (nexttoken.identifier) {
    3155. 

  3155.             if (!is_own(htmltag, nexttoken.value)) {
    3156. 

  3156.                 warning("Expected a tagName, and instead saw {a}.",
    3157. 

  3157.                     nexttoken, nexttoken.value);
    3158. 

  3158.             }
    3159. 

  3159.             advance();
    3160. 

  3160.         } else {
    3161. 

  3161.             switch (nexttoken.id) {
    3162. 

  3162.             case '>':
    3163. 

  3163.             case '+':
    3164. 

  3164.                 advance();
    3165. 

  3165.                 if (!nexttoken.identifier ||
    3166. 

  3166.                         !is_own(htmltag, nexttoken.value)) {
    3167. 

  3167.                     warning("Expected a tagName, and instead saw {a}.",
    3168. 

  3168.                         nexttoken, nexttoken.value);
    3169. 

  3169.                 }
    3170. 

  3170.                 advance();
    3171. 

  3171.                 break;
    3172. 

  3172.             case ':':
    3173. 

  3173.                 advance(':');
    3174. 

  3174.                 switch (nexttoken.value) {
    3175. 

  3175.                 case 'active':
    3176. 

  3176.                 case 'after':
    3177. 

  3177.                 case 'before':
    3178. 

  3178.                 case 'checked':
    3179. 

  3179.                 case 'disabled':
    3180. 

  3180.                 case 'empty':
    3181. 

  3181.                 case 'enabled':
    3182. 

  3182.                 case 'first-child':
    3183. 

  3183.                 case 'first-letter':
    3184. 

  3184.                 case 'first-line':
    3185. 

  3185.                 case 'first-of-type':
    3186. 

  3186.                 case 'focus ':
    3187. 

  3187.                 case 'hover':
    3188. 

  3188.                 case 'last-of-type':
    3189. 

  3189.                 case 'link':
    3190. 

  3190.                 case 'only-of-type':
    3191. 

  3191.                 case 'root':
    3192. 

  3192.                 case 'target':
    3193. 

  3193.                 case 'visited':
    3194. 

  3194.                     advance();
    3195. 

  3195.                     break;
    3196. 

  3196.                 case 'lang':
    3197. 

  3197.                     advance();
    3198. 

  3198.                     advance('(');
    3199. 

  3199.                     if (!nexttoken.identifier) {
    3200. 

  3200.                         warning("Expected a lang code, and instead saw :{a}.",
    3201. 

  3201.                             nexttoken, nexttoken.value);
    3202. 

  3202.                     }
    3203. 

  3203.                     advance(')');
    3204. 

  3204.                     break;
    3205. 

  3205.                 case 'nth-child':
    3206. 

  3206.                 case 'nth-last-child':
    3207. 

  3207.                 case 'nth-last-of-type':
    3208. 

  3208.                 case 'nth-of-type':
    3209. 

  3209.                     advance();
    3210. 

  3210.                     advance('(');
    3211. 

  3211.                     styleChild();
    3212. 

  3212.                     advance(')');
    3213. 

  3213.                     break;
    3214. 

  3214.                 case 'not':
    3215. 

  3215.                     advance();
    3216. 

  3216.                     advance('(');
    3217. 

  3217.                     if (nexttoken.id === ':' && peek(0).value === 'not') {
    3218. 

  3218.                         warning("Nested not.");
    3219. 

  3219.                     }
    3220. 

  3220.                     styleSelector();
    3221. 

  3221.                     advance(')');
    3222. 

  3222.                     break;
    3223. 

  3223.                 default:
    3224. 

  3224.                     warning("Expected a pseudo, and instead saw :{a}.",
    3225. 

  3225.                         nexttoken, nexttoken.value);
    3226. 

  3226.                 }
    3227. 

  3227.                 break;
    3228. 

  3228.             case '#':
    3229. 

  3229.                 advance('#');
    3230. 

  3230.                 if (!nexttoken.identifier) {
    3231. 

  3231.                     warning("Expected an id, and instead saw #{a}.",
    3232. 

  3232.                         nexttoken, nexttoken.value);
    3233. 

  3233.                 }
    3234. 

  3234.                 advance();
    3235. 

  3235.                 break;
    3236. 

  3236.             case '*':
    3237. 

  3237.                 advance('*');
    3238. 

  3238.                 break;
    3239. 

  3239.             case '.':
    3240. 

  3240.                 advance('.');
    3241. 

  3241.                 if (!nexttoken.identifier) {
    3242. 

  3242.                     warning("Expected a class, and instead saw #.{a}.",
    3243. 

  3243.                         nexttoken, nexttoken.value);
    3244. 

  3244.                 }
    3245. 

  3245.                 advance();
    3246. 

  3246.                 break;
    3247. 

  3247.             case '[':
    3248. 

  3248.                 advance('[');
    3249. 

  3249.                 if (!nexttoken.identifier) {
    3250. 

  3250.                     warning("Expected an attribute, and instead saw [{a}].",
    3251. 

  3251.                         nexttoken, nexttoken.value);
    3252. 

  3252.                 }
    3253. 

  3253.                 advance();
    3254. 

  3254.                 if (nexttoken.id === '=' || nexttoken.value === '~=' ||
    3255. 

  3255.                         nexttoken.value === '$=' ||
    3256. 

  3256.                         nexttoken.value === '|=' ||
    3257. 

  3257.                         nexttoken.id === '*=' ||
    3258. 

  3258.                         nexttoken.id === '^=') {
    3259. 

  3259.                     advance();
    3260. 

  3260.                     if (nexttoken.type !== '(string)') {
    3261. 

  3261.                         warning("Expected a string, and instead saw {a}.",
    3262. 

  3262.                             nexttoken, nexttoken.value);
    3263. 

  3263.                     }
    3264. 

  3264.                     advance();
    3265. 

  3265.                 }
    3266. 

  3266.                 advance(']');
    3267. 

  3267.                 break;
    3268. 

  3268.             default:
    3269. 

  3269.                 error("Expected a CSS selector, and instead saw {a}.",
    3270. 

  3270.                     nexttoken, nexttoken.value);
    3271. 

  3271.             }
    3272. 

  3272.         }
    3273. 

  3273.     }
    3274. 

  3274. 

  3275.     function stylePattern() {
    3276. 

  3276.         var name;
    3277. 

  3277.         if (nexttoken.id === '{') {
    3278. 

  3278.             warning("Expected a style pattern, and instead saw '{a}'.", nexttoken,
    3279. 

  3279.                 nexttoken.id);
    3280. 

  3280.         } else if (nexttoken.id === '@') {
    3281. 

  3281.             advance('@');
    3282. 

  3282.             name = nexttoken.value;
    3283. 

  3283.             if (nexttoken.identifier && atrule[name] === true) {
    3284. 

  3284.                 advance();
    3285. 

  3285.                 return name;
    3286. 

  3286.             }
    3287. 

  3287.             warning("Expected an at-rule, and instead saw @{a}.", nexttoken, name);
    3288. 

  3288.         }
    3289. 

  3289.         for (;;) {
    3290. 

  3290.             styleSelector();
    3291. 

  3291.             if (nexttoken.id === '</' || nexttoken.id === '{' ||
    3292. 

  3292.                     nexttoken.id === '(end)') {
    3293. 

  3293.                 return '';
    3294. 

  3294.             }
    3295. 

  3295.             if (nexttoken.id === ',') {
    3296. 

  3296.                 comma();
    3297. 

  3297.             }
    3298. 

  3298.         }
    3299. 

  3299.     }
    3300. 

  3300. 

  3301.     function styles() {
    3302. 

  3302.         while (nexttoken.id !== '</' && nexttoken.id !== '(end)') {
    3303. 

  3303.             stylePattern();
    3304. 

  3304.             xmode = 'styleproperty';
    3305. 

  3305.             if (nexttoken.id === ';') {
    3306. 

  3306.                 advance(';');
    3307. 

  3307.             } else {
    3308. 

  3308.                 advance('{');
    3309. 

  3309.                 substyle();
    3310. 

  3310.                 xmode = 'style';
    3311. 

  3311.                 advance('}');
    3312. 

  3312.             }
    3313. 

  3313.         }
    3314. 

  3314.     }
    3315. 

  3315. 

  3316. 

  3317. // HTML parsing.
    3318. 

  3318. 

  3319.     function doBegin(n) {
    3320. 

  3320.         if (n !== 'html' && !option.fragment) {
    3321. 

  3321.             if (n === 'div' && option.adsafe) {
    3322. 

  3322.                 error("ADSAFE: Use the fragment option.");
    3323. 

  3323.             } else {
    3324. 

  3324.                 error("Expected '{a}' and instead saw '{b}'.",
    3325. 

  3325.                     token, 'html', n);
    3326. 

  3326.             }
    3327. 

  3327.         }
    3328. 

  3328.         if (option.adsafe) {
    3329. 

  3329.             if (n === 'html') {
    3330. 

  3330.                 error("Currently, ADsafe does not operate on whole HTML documents. It operates on <div> fragments and .js files.", token);
    3331. 

  3331.             }
    3332. 

  3332.             if (option.fragment) {
    3333. 

  3333.                 if (n !== 'div') {
    3334. 

  3334.                     error("ADsafe violation: Wrap the widget in a div.", token);
    3335. 

  3335.                 }
    3336. 

  3336.             } else {
    3337. 

  3337.                 error("Use the fragment option.", token);
    3338. 

  3338.             }
    3339. 

  3339.         }
    3340. 

  3340.         option.browser = true;
    3341. 

  3341.         assume();
    3342. 

  3342.     }
    3343. 

  3343. 

  3344.     function doAttribute(n, a, v) {
    3345. 

  3345.         var u, x;
    3346. 

  3346.         if (a === 'id') {
    3347. 

  3347.             u = typeof v === 'string' ? v.toUpperCase() : '';
    3348. 

  3348.             if (ids[u] === true) {
    3349. 

  3349.                 warning("Duplicate id='{a}'.", nexttoken, v);
    3350. 

  3350.             }
    3351. 

  3351.             if (option.adsafe) {
    3352. 

  3352.                 if (adsafe_id) {
    3353. 

  3353.                     if (v.slice(0, adsafe_id.length) !== adsafe_id) {
    3354. 

  3354.                         warning("ADsafe violation: An id must have a '{a}' prefix",
    3355. 

  3355.                                 nexttoken, adsafe_id);
    3356. 

  3356.                     } else if (!/^[A-Z]+_[A-Z]+$/.test(v)) {
    3357. 

  3357.                         warning("ADSAFE violation: bad id.");
    3358. 

  3358.                     }
    3359. 

  3359.                 } else {
    3360. 

  3360.                     adsafe_id = v;
    3361. 

  3361.                     if (!/^[A-Z]+_$/.test(v)) {
    3362. 

  3362.                         warning("ADSAFE violation: bad id.");
    3363. 

  3363.                     }
    3364. 

  3364.                 }
    3365. 

  3365.             }
    3366. 

  3366.             x = v.search(dx);
    3367. 

  3367.             if (x >= 0) {
    3368. 

  3368.                 warning("Unexpected character '{a}' in {b}.", token, v.charAt(x), a);
    3369. 

  3369.             }
    3370. 

  3370.             ids[u] = true;
    3371. 

  3371.         } else if (a === 'class' || a === 'type' || a === 'name') {
    3372. 

  3372.             x = v.search(qx);
    3373. 

  3373.             if (x >= 0) {
    3374. 

  3374.                 warning("Unexpected character '{a}' in {b}.", token, v.charAt(x), a);
    3375. 

  3375.             }
    3376. 

  3376.             ids[u] = true;
    3377. 

  3377.         } else if (a === 'href' || a === 'background' ||
    3378. 

  3378.                 a === 'content' || a === 'data' ||
    3379. 

  3379.                 a.indexOf('src') >= 0 || a.indexOf('url') >= 0) {
    3380. 

  3380.             if (option.safe && ux.test(v)) {
    3381. 

  3381.                 error("ADsafe URL violation.");
    3382. 

  3382.             }
    3383. 

  3383.             urls.push(v);
    3384. 

  3384.         } else if (a === 'for') {
    3385. 

  3385.             if (option.adsafe) {
    3386. 

  3386.                 if (adsafe_id) {
    3387. 

  3387.                     if (v.slice(0, adsafe_id.length) !== adsafe_id) {
    3388. 

  3388.                         warning("ADsafe violation: An id must have a '{a}' prefix",
    3389. 

  3389.                                 nexttoken, adsafe_id);
    3390. 

  3390.                     } else if (!/^[A-Z]+_[A-Z]+$/.test(v)) {
    3391. 

  3391.                         warning("ADSAFE violation: bad id.");
    3392. 

  3392.                     }
    3393. 

  3393.                 } else {
    3394. 

  3394.                     warning("ADSAFE violation: bad id.");
    3395. 

  3395.                 }
    3396. 

  3396.             }
    3397. 

  3397.         } else if (a === 'name') {
    3398. 

  3398.             if (option.adsafe && v.indexOf('_') >= 0) {
    3399. 

  3399.                 warning("ADsafe name violation.");
    3400. 

  3400.             }
    3401. 

  3401.         }
    3402. 

  3402.     }
    3403. 

  3403. 

  3404.     function doTag(n, a) {
    3405. 

  3405.         var i, t = htmltag[n], x;
    3406. 

  3406.         src = false;
    3407. 

  3407.         if (!t) {
    3408. 

  3408.             error("Unrecognized tag '<{a}>'.",
    3409. 

  3409.                     nexttoken,
    3410. 

  3410.                     n === n.toLowerCase() ? n :
    3411. 

  3411.                         n + ' (capitalization error)');
    3412. 

  3412.         }
    3413. 

  3413.         if (stack.length > 0) {
    3414. 

  3414.             if (n === 'html') {
    3415. 

  3415.                 error("Too many <html> tags.", token);
    3416. 

  3416.             }
    3417. 

  3417.             x = t.parent;
    3418. 

  3418.             if (x) {
    3419. 

  3419.                 if (x.indexOf(' ' + stack[stack.length - 1].name + ' ') < 0) {
    3420. 

  3420.                     error("A '<{a}>' must be within '<{b}>'.",
    3421. 

  3421.                             token, n, x);
    3422. 

  3422.                 }
    3423. 

  3423.             } else if (!option.adsafe && !option.fragment) {
    3424. 

  3424.                 i = stack.length;
    3425. 

  3425.                 do {
    3426. 

  3426.                     if (i <= 0) {
    3427. 

  3427.                         error("A '<{a}>' must be within '<{b}>'.",
    3428. 

  3428.                                 token, n, 'body');
    3429. 

  3429.                     }
    3430. 

  3430.                     i -= 1;
    3431. 

  3431.                 } while (stack[i].name !== 'body');
    3432. 

  3432.             }
    3433. 

  3433.         }
    3434. 

  3434.         switch (n) {
    3435. 

  3435.         case 'div':
    3436. 

  3436.             if (option.adsafe && stack.length === 1 && !adsafe_id) {
    3437. 

  3437.                 warning("ADSAFE violation: missing ID_.");
    3438. 

  3438.             }
    3439. 

  3439.             break;
    3440. 

  3440.         case 'script':
    3441. 

  3441.             xmode = 'script';
    3442. 

  3442.             advance('>');
    3443. 

  3443.             indent = nexttoken.from;
    3444. 

  3444.             if (a.lang) {
    3445. 

  3445.                 warning("lang is deprecated.", token);
    3446. 

  3446.             }
    3447. 

  3447.             if (option.adsafe && stack.length !== 1) {
    3448. 

  3448.                 warning("ADsafe script placement violation.", token);
    3449. 

  3449.             }
    3450. 

  3450.             if (a.src) {
    3451. 

  3451.                 if (option.adsafe && (!adsafe_may || !approved[a.src])) {
    3452. 

  3452.                     warning("ADsafe unapproved script source.", token);
    3453. 

  3453.                 }
    3454. 

  3454.                 if (a.type) {
    3455. 

  3455.                     warning("type is unnecessary.", token);
    3456. 

  3456.                 }
    3457. 

  3457.             } else {
    3458. 

  3458.                 if (adsafe_went) {
    3459. 

  3459.                     error("ADsafe script violation.", token);
    3460. 

  3460.                 }
    3461. 

  3461.                 statements('script');
    3462. 

  3462.             }
    3463. 

  3463.             xmode = 'html';
    3464. 

  3464.             advance('</');
    3465. 

  3465.             if (!nexttoken.identifier && nexttoken.value !== 'script') {
    3466. 

  3466.                 warning("Expected '{a}' and instead saw '{b}'.",
    3467. 

  3467.                         nexttoken, 'script', nexttoken.value);
    3468. 

  3468.             }
    3469. 

  3469.             advance();
    3470. 

  3470.             xmode = 'outer';
    3471. 

  3471.             break;
    3472. 

  3472.         case 'style':
    3473. 

  3473.             xmode = 'style';
    3474. 

  3474.             advance('>');
    3475. 

  3475.             styles();
    3476. 

  3476.             xmode = 'html';
    3477. 

  3477.             advance('</');
    3478. 

  3478.             if (!nexttoken.identifier && nexttoken.value !== 'style') {
    3479. 

  3479.                 warning("Expected '{a}' and instead saw '{b}'.",
    3480. 

  3480.                         nexttoken, 'style', nexttoken.value);
    3481. 

  3481.             }
    3482. 

  3482.             advance();
    3483. 

  3483.             xmode = 'outer';
    3484. 

  3484.             break;
    3485. 

  3485.         case 'input':
    3486. 

  3486.             switch (a.type) {
    3487. 

  3487.             case 'radio':
    3488. 

  3488.             case 'checkbox':
    3489. 

  3489.             case 'text':
    3490. 

  3490.             case 'button':
    3491. 

  3491.             case 'file':
    3492. 

  3492.             case 'reset':
    3493. 

  3493.             case 'submit':
    3494. 

  3494.             case 'password':
    3495. 

  3495.             case 'file':
    3496. 

  3496.             case 'hidden':
    3497. 

  3497.             case 'image':
    3498. 

  3498.                 break;
    3499. 

  3499.             default:
    3500. 

  3500.                 warning("Bad input type.");
    3501. 

  3501.             }
    3502. 

  3502.             if (option.adsafe && a.autocomplete !== 'off') {
    3503. 

  3503.                 warning("ADsafe autocomplete violation.");
    3504. 

  3504.             }
    3505. 

  3505.             break;
    3506. 

  3506.         case 'applet':
    3507. 

  3507.         case 'body':
    3508. 

  3508.         case 'embed':
    3509. 

  3509.         case 'frame':
    3510. 

  3510.         case 'frameset':
    3511. 

  3511.         case 'head':
    3512. 

  3512.         case 'iframe':
    3513. 

  3513.         case 'img':
    3514. 

  3514.         case 'noembed':
    3515. 

  3515.         case 'noframes':
    3516. 

  3516.         case 'object':
    3517. 

  3517.         case 'param':
    3518. 

  3518.             if (option.adsafe) {
    3519. 

  3519.                 warning("ADsafe violation: Disallowed tag: " + n);
    3520. 

  3520.             }
    3521. 

  3521.             break;
    3522. 

  3522.         }
    3523. 

  3523.     }
    3524. 

  3524. 

  3525. 

  3526.     function closetag(n) {
    3527. 

  3527.         return '</' + n + '>';
    3528. 

  3528.     }
    3529. 

  3529. 

  3530.     function html() {
    3531. 

  3531.         var a, attributes, e, n, q, t, v, w = option.white, wmode;
    3532. 

  3532.         xmode = 'html';
    3533. 

  3533.         xquote = '';
    3534. 

  3534.         stack = null;
    3535. 

  3535.         for (;;) {
    3536. 

  3536.             switch (nexttoken.value) {
    3537. 

  3537.             case '<':
    3538. 

  3538.                 xmode = 'html';
    3539. 

  3539.                 advance('<');
    3540. 

  3540.                 attributes = {};
    3541. 

  3541.                 t = nexttoken;
    3542. 

  3542.                 if (!t.identifier) {
    3543. 

  3543.                     warning("Bad identifier {a}.", t, t.value);
    3544. 

  3544.                 }
    3545. 

  3545.                 n = t.value;
    3546. 

  3546.                 if (option.cap) {
    3547. 

  3547.                     n = n.toLowerCase();
    3548. 

  3548.                 }
    3549. 

  3549.                 t.name = n;
    3550. 

  3550.                 advance();
    3551. 

  3551.                 if (!stack) {
    3552. 

  3552.                     stack = [];
    3553. 

  3553.                     doBegin(n);
    3554. 

  3554.                 }
    3555. 

  3555.                 v = htmltag[n];
    3556. 

  3556.                 if (typeof v !== 'object') {
    3557. 

  3557.                     error("Unrecognized tag '<{a}>'.", t, n);
    3558. 

  3558.                 }
    3559. 

  3559.                 e = v.empty;
    3560. 

  3560.                 t.type = n;
    3561. 

  3561.                 for (;;) {
    3562. 

  3562.                     if (nexttoken.id === '/') {
    3563. 

  3563.                         advance('/');
    3564. 

  3564.                         if (nexttoken.id !== '>') {
    3565. 

  3565.                             warning("Expected '{a}' and instead saw '{b}'.",
    3566. 

  3566.                                     nexttoken, '>', nexttoken.value);
    3567. 

  3567.                         }
    3568. 

  3568.                         break;
    3569. 

  3569.                     }
    3570. 

  3570.                     if (nexttoken.id && nexttoken.id.substr(0, 1) === '>') {
    3571. 

  3571.                         break;
    3572. 

  3572.                     }
    3573. 

  3573.                     if (!nexttoken.identifier) {
    3574. 

  3574.                         if (nexttoken.id === '(end)' || nexttoken.id === '(error)') {
    3575. 

  3575.                             error("Missing '>'.", nexttoken);
    3576. 

  3576.                         }
    3577. 

  3577.                         warning("Bad identifier.");
    3578. 

  3578.                     }
    3579. 

  3579.                     option.white = true;
    3580. 

  3580.                     nonadjacent(token, nexttoken);
    3581. 

  3581.                     a = nexttoken.value;
    3582. 

  3582.                     option.white = w;
    3583. 

  3583.                     advance();
    3584. 

  3584.                     if (!option.cap && a !== a.toLowerCase()) {
    3585. 

  3585.                         warning("Attribute '{a}' not all lower case.", nexttoken, a);
    3586. 

  3586.                     }
    3587. 

  3587.                     a = a.toLowerCase();
    3588. 

  3588.                     xquote = '';
    3589. 

  3589.                     if (is_own(attributes, a)) {
    3590. 

  3590.                         warning("Attribute '{a}' repeated.", nexttoken, a);
    3591. 

  3591.                     }
    3592. 

  3592.                     if (a.slice(0, 2) === 'on') {
    3593. 

  3593.                         if (!option.on) {
    3594. 

  3594.                             warning("Avoid HTML event handlers.");
    3595. 

  3595.                         }
    3596. 

  3596.                         xmode = 'scriptstring';
    3597. 

  3597.                         advance('=');
    3598. 

  3598.                         q = nexttoken.id;
    3599. 

  3599.                         if (q !== '"' && q !== "'") {
    3600. 

  3600.                             error("Missing quote.");
    3601. 

  3601.                         }
    3602. 

  3602.                         xquote = q;
    3603. 

  3603.                         wmode = option.white;
    3604. 

  3604.                         option.white = false;
    3605. 

  3605.                         advance(q);
    3606. 

  3606.                         statements('on');
    3607. 

  3607.                         option.white = wmode;
    3608. 

  3608.                         if (nexttoken.id !== q) {
    3609. 

  3609.                             error("Missing close quote on script attribute.");
    3610. 

  3610.                         }
    3611. 

  3611.                         xmode = 'html';
    3612. 

  3612.                         xquote = '';
    3613. 

  3613.                         advance(q);
    3614. 

  3614.                         v = false;
    3615. 

  3615.                     } else if (a === 'style') {
    3616. 

  3616.                         xmode = 'scriptstring';
    3617. 

  3617.                         advance('=');
    3618. 

  3618.                         q = nexttoken.id;
    3619. 

  3619.                         if (q !== '"' && q !== "'") {
    3620. 

  3620.                             error("Missing quote.");
    3621. 

  3621.                         }
    3622. 

  3622.                         xmode = 'styleproperty';
    3623. 

  3623.                         xquote = q;
    3624. 

  3624.                         advance(q);
    3625. 

  3625.                         substyle();
    3626. 

  3626.                         xmode = 'html';
    3627. 

  3627.                         xquote = '';
    3628. 

  3628.                         advance(q);
    3629. 

  3629.                         v = false;
    3630. 

  3630.                     } else {
    3631. 

  3631.                         if (nexttoken.id === '=') {
    3632. 

  3632.                             advance('=');
    3633. 

  3633.                             v = nexttoken.value;
    3634. 

  3634.                             if (!nexttoken.identifier &&
    3635. 

  3635.                                     nexttoken.id !== '"' &&
    3636. 

  3636.                                     nexttoken.id !== '\'' &&
    3637. 

  3637.                                     nexttoken.type !== '(string)' &&
    3638. 

  3638.                                     nexttoken.type !== '(number)' &&
    3639. 

  3639.                                     nexttoken.type !== '(color)') {
    3640. 

  3640.                                 warning("Expected an attribute value and instead saw '{a}'.", token, a);
    3641. 

  3641.                             }
    3642. 

  3642.                             advance();
    3643. 

  3643.                         } else {
    3644. 

  3644.                             v = true;
    3645. 

  3645.                         }
    3646. 

  3646.                     }
    3647. 

  3647.                     attributes[a] = v;
    3648. 

  3648.                     doAttribute(n, a, v);
    3649. 

  3649.                 }
    3650. 

  3650.                 doTag(n, attributes);
    3651. 

  3651.                 if (!e) {
    3652. 

  3652.                     stack.push(t);
    3653. 

  3653.                 }
    3654. 

  3654.                 xmode = 'outer';
    3655. 

  3655.                 advance('>');
    3656. 

  3656.                 break;
    3657. 

  3657.             case '</':
    3658. 

  3658.                 xmode = 'html';
    3659. 

  3659.                 advance('</');
    3660. 

  3660.                 if (!nexttoken.identifier) {
    3661. 

  3661.                     warning("Bad identifier.");
    3662. 

  3662.                 }
    3663. 

  3663.                 n = nexttoken.value;
    3664. 

  3664.                 if (option.cap) {
    3665. 

  3665.                     n = n.toLowerCase();
    3666. 

  3666.                 }
    3667. 

  3667.                 advance();
    3668. 

  3668.                 if (!stack) {
    3669. 

  3669.                     error("Unexpected '{a}'.", nexttoken, closetag(n));
    3670. 

  3670.                 }
    3671. 

  3671.                 t = stack.pop();
    3672. 

  3672.                 if (!t) {
    3673. 

  3673.                     error("Unexpected '{a}'.", nexttoken, closetag(n));
    3674. 

  3674.                 }
    3675. 

  3675.                 if (t.name !== n) {
    3676. 

  3676.                     error("Expected '{a}' and instead saw '{b}'.",
    3677. 

  3677.                             nexttoken, closetag(t.name), closetag(n));
    3678. 

  3678.                 }
    3679. 

  3679.                 if (nexttoken.id !== '>') {
    3680. 

  3680.                     error("Missing '{a}'.", nexttoken, '>');
    3681. 

  3681.                 }
    3682. 

  3682.                 xmode = 'outer';
    3683. 

  3683.                 advance('>');
    3684. 

  3684.                 break;
    3685. 

  3685.             case '<!':
    3686. 

  3686.                 if (option.safe) {
    3687. 

  3687.                     warning("ADsafe HTML violation.");
    3688. 

  3688.                 }
    3689. 

  3689.                 xmode = 'html';
    3690. 

  3690.                 for (;;) {
    3691. 

  3691.                     advance();
    3692. 

  3692.                     if (nexttoken.id === '>' || nexttoken.id === '(end)') {
    3693. 

  3693.                         break;
    3694. 

  3694.                     }
    3695. 

  3695.                     if (nexttoken.value.indexOf('--') >= 0) {
    3696. 

  3696.                         warning("Unexpected --.");
    3697. 

  3697.                     }
    3698. 

  3698.                     if (nexttoken.value.indexOf('<') >= 0) {
    3699. 

  3699.                         warning("Unexpected <.");
    3700. 

  3700.                     }
    3701. 

  3701.                     if (nexttoken.value.indexOf('>') >= 0) {
    3702. 

  3702.                         warning("Unexpected >.");
    3703. 

  3703.                     }
    3704. 

  3704.                 }
    3705. 

  3705.                 xmode = 'outer';
    3706. 

  3706.                 advance('>');
    3707. 

  3707.                 break;
    3708. 

  3708.             case '(end)':
    3709. 

  3709.                 return;
    3710. 

  3710.             default:
    3711. 

  3711.                 if (nexttoken.id === '(end)') {
    3712. 

  3712.                     error("Missing '{a}'.", nexttoken,
    3713. 

  3713.                             '</' + stack[stack.length - 1].value + '>');
    3714. 

  3714.                 } else {
    3715. 

  3715.                     advance();
    3716. 

  3716.                 }
    3717. 

  3717.             }
    3718. 

  3718.             if (stack && stack.length === 0 && (option.adsafe ||
    3719. 

  3719.                     !option.fragment || nexttoken.id === '(end)')) {
    3720. 

  3720.                 break;
    3721. 

  3721.             }
    3722. 

  3722.         }
    3723. 

  3723.         if (nexttoken.id !== '(end)') {
    3724. 

  3724.             error("Unexpected material after the end.");
    3725. 

  3725.         }
    3726. 

  3726.     }
    3727. 

  3727. 

  3728. 

  3729. // Build the syntax table by declaring the syntactic elements of the language.
    3730. 

  3730. 

  3731.     type('(number)', idValue);
    3732. 

  3732.     type('(string)', idValue);
    3733. 

  3733. 

  3734.     syntax['(identifier)'] = {
    3735. 

  3735.         type: '(identifier)',
    3736. 

  3736.         lbp: 0,
    3737. 

  3737.         identifier: true,
    3738. 

  3738.         nud: function () {
    3739. 

  3739.             var v = this.value,
    3740. 

  3740.                 s = scope[v],
    3741. 

  3741.                 f;
    3742. 

  3742.             if (typeof s === 'function') {
    3743. 

  3743.                 s = undefined;
    3744. 

  3744.             } else if (typeof s === 'boolean') {
    3745. 

  3745.                 f = funct;
    3746. 

  3746.                 funct = functions[0];
    3747. 

  3747.                 addlabel(v, 'var');
    3748. 

  3748.                 s = funct;
    3749. 

  3749.                 funct = f;
    3750. 

  3750.             }
    3751. 

  3751. 

  3752. // The name is in scope and defined in the current function.
    3753. 

  3753. 

  3754.             if (funct === s) {
    3755. 

  3755. 

  3756. //      Change 'unused' to 'var', and reject labels.
    3757. 

  3757. 

  3758.                 switch (funct[v]) {
    3759. 

  3759.                 case 'unused':
    3760. 

  3760.                     funct[v] = 'var';
    3761. 

  3761.                     break;
    3762. 

  3762.                 case 'label':
    3763. 

  3763.                     warning("'{a}' is a statement label.", token, v);
    3764. 

  3764.                     break;
    3765. 

  3765.                 }
    3766. 

  3766. 

  3767. // The name is not defined in the function.  If we are in the global scope,
    3768. 

  3768. // then we have an undefined variable.
    3769. 

  3769. 

  3770.             } else if (funct['(global)']) {
    3771. 

  3771.                 if (option.undef && predefined[v] !== 'boolean') {
    3772. 

  3772.                     warning("'{a}' is not defined.", token, v);
    3773. 

  3773.                 }
    3774. 

  3774.                 note_implied(token);
    3775. 

  3775. 

  3776. // If the name is already defined in the current
    3777. 

  3777. // function, but not as outer, then there is a scope error.
    3778. 

  3778. 

  3779.             } else {
    3780. 

  3780.                 switch (funct[v]) {
    3781. 

  3781.                 case 'closure':
    3782. 

  3782.                 case 'function':
    3783. 

  3783.                 case 'var':
    3784. 

  3784.                 case 'unused':
    3785. 

  3785.                     warning("'{a}' used out of scope.", token, v);
    3786. 

  3786.                     break;
    3787. 

  3787.                 case 'label':
    3788. 

  3788.                     warning("'{a}' is a statement label.", token, v);
    3789. 

  3789.                     break;
    3790. 

  3790.                 case 'outer':
    3791. 

  3791.                 case 'global':
    3792. 

  3792.                     break;
    3793. 

  3793.                 default:
    3794. 

  3794. 

  3795. // If the name is defined in an outer function, make an outer entry, and if
    3796. 

  3796. // it was unused, make it var.
    3797. 

  3797. 

  3798.                     if (s === true) {
    3799. 

  3799.                         funct[v] = true;
    3800. 

  3800.                     } else if (typeof s !== 'object') {
    3801. 

  3801.                         if (option.undef) {
    3802. 

  3802.                             warning("'{a}' is not defined.", token, v);
    3803. 

  3803.                         } else {
    3804. 

  3804.                             funct[v] = true;
    3805. 

  3805.                         }
    3806. 

  3806.                         note_implied(token);
    3807. 

  3807.                     } else {
    3808. 

  3808.                         switch (s[v]) {
    3809. 

  3809.                         case 'function':
    3810. 

  3810.                         case 'var':
    3811. 

  3811.                         case 'unused':
    3812. 

  3812.                             s[v] = 'closure';
    3813. 

  3813.                             funct[v] = s['(global)'] ? 'global' : 'outer';
    3814. 

  3814.                             break;
    3815. 

  3815.                         case 'closure':
    3816. 

  3816.                         case 'parameter':
    3817. 

  3817.                             funct[v] = s['(global)'] ? 'global' : 'outer';
    3818. 

  3818.                             break;
    3819. 

  3819.                         case 'label':
    3820. 

  3820.                             warning("'{a}' is a statement label.", token, v);
    3821. 

  3821.                         }
    3822. 

  3822.                     }
    3823. 

  3823.                 }
    3824. 

  3824.             }
    3825. 

  3825.             return this;
    3826. 

  3826.         },
    3827. 

  3827.         led: function () {
    3828. 

  3828.             error("Expected an operator and instead saw '{a}'.",
    3829. 

  3829.                     nexttoken, nexttoken.value);
    3830. 

  3830.         }
    3831. 

  3831.     };
    3832. 

  3832. 

  3833.     type('(regexp)', function () {
    3834. 

  3834.         return this;
    3835. 

  3835.     });
    3836. 

  3836. 

  3837.     delim('(endline)');
    3838. 

  3838.     delim('(begin)');
    3839. 

  3839.     delim('(end)').reach = true;
    3840. 

  3840.     delim('</').reach = true;
    3841. 

  3841.     delim('<!');
    3842. 

  3842.     delim('<!--');
    3843. 

  3843.     delim('-->');
    3844. 

  3844.     delim('(error)').reach = true;
    3845. 

  3845.     delim('}').reach = true;
    3846. 

  3846.     delim(')');
    3847. 

  3847.     delim(']');
    3848. 

  3848.     delim('"').reach = true;
    3849. 

  3849.     delim("'").reach = true;
    3850. 

  3850.     delim(';');
    3851. 

  3851.     delim(':').reach = true;
    3852. 

  3852.     delim(',');
    3853. 

  3853.     delim('#');
    3854. 

  3854.     delim('@');
    3855. 

  3855.     reserve('else');
    3856. 

  3856.     reserve('case').reach = true;
    3857. 

  3857.     reserve('catch');
    3858. 

  3858.     reserve('default').reach = true;
    3859. 

  3859.     reserve('finally');
    3860. 

  3860.     reservevar('arguments');
    3861. 

  3861.     reservevar('eval');
    3862. 

  3862.     reservevar('false');
    3863. 

  3863.     reservevar('Infinity');
    3864. 

  3864.     reservevar('NaN');
    3865. 

  3865.     reservevar('null');
    3866. 

  3866.     reservevar('this');
    3867. 

  3867.     reservevar('true');
    3868. 

  3868.     reservevar('undefined');
    3869. 

  3869.     assignop('=', 'assign', 20);
    3870. 

  3870.     assignop('+=', 'assignadd', 20);
    3871. 

  3871.     assignop('-=', 'assignsub', 20);
    3872. 

  3872.     assignop('*=', 'assignmult', 20);
    3873. 

  3873.     assignop('/=', 'assigndiv', 20).nud = function () {
    3874. 

  3874.         error("A regular expression literal can be confused with '/='.");
    3875. 

  3875.     };
    3876. 

  3876.     assignop('%=', 'assignmod', 20);
    3877. 

  3877.     bitwiseassignop('&=', 'assignbitand', 20);
    3878. 

  3878.     bitwiseassignop('|=', 'assignbitor', 20);
    3879. 

  3879.     bitwiseassignop('^=', 'assignbitxor', 20);
    3880. 

  3880.     bitwiseassignop('<<=', 'assignshiftleft', 20);
    3881. 

  3881.     bitwiseassignop('>>=', 'assignshiftright', 20);
    3882. 

  3882.     bitwiseassignop('>>>=', 'assignshiftrightunsigned', 20);
    3883. 

  3883.     infix('?', function (left, that) {
    3884. 

  3884.         that.left = left;
    3885. 

  3885.         that.right = parse(10);
    3886. 

  3886.         advance(':');
    3887. 

  3887.         that['else'] = parse(10);
    3888. 

  3888.         return that;
    3889. 

  3889.     }, 30);
    3890. 

  3890. 

  3891.     infix('||', 'or', 40);
    3892. 

  3892.     infix('&&', 'and', 50);
    3893. 

  3893.     bitwise('|', 'bitor', 70);
    3894. 

  3894.     bitwise('^', 'bitxor', 80);
    3895. 

  3895.     bitwise('&', 'bitand', 90);
    3896. 

  3896.     relation('==', function (left, right) {
    3897. 

  3897.         if (option.eqeqeq) {
    3898. 

  3898.             warning("Expected '{a}' and instead saw '{b}'.",
    3899. 

  3899.                     this, '===', '==');
    3900. 

  3900.         } else if (isPoorRelation(left)) {
    3901. 

  3901.             warning("Use '{a}' to compare with '{b}'.",
    3902. 

  3902.                 this, '===', left.value);
    3903. 

  3903.         } else if (isPoorRelation(right)) {
    3904. 

  3904.             warning("Use '{a}' to compare with '{b}'.",
    3905. 

  3905.                 this, '===', right.value);
    3906. 

  3906.         }
    3907. 

  3907.         return this;
    3908. 

  3908.     });
    3909. 

  3909.     relation('===');
    3910. 

  3910.     relation('!=', function (left, right) {
    3911. 

  3911.         if (option.eqeqeq) {
    3912. 

  3912.             warning("Expected '{a}' and instead saw '{b}'.",
    3913. 

  3913.                     this, '!==', '!=');
    3914. 

  3914.         } else if (isPoorRelation(left)) {
    3915. 

  3915.             warning("Use '{a}' to compare with '{b}'.",
    3916. 

  3916.                     this, '!==', left.value);
    3917. 

  3917.         } else if (isPoorRelation(right)) {
    3918. 

  3918.             warning("Use '{a}' to compare with '{b}'.",
    3919. 

  3919.                     this, '!==', right.value);
    3920. 

  3920.         }
    3921. 

  3921.         return this;
    3922. 

  3922.     });
    3923. 

  3923.     relation('!==');
    3924. 

  3924.     relation('<');
    3925. 

  3925.     relation('>');
    3926. 

  3926.     relation('<=');
    3927. 

  3927.     relation('>=');
    3928. 

  3928.     bitwise('<<', 'shiftleft', 120);
    3929. 

  3929.     bitwise('>>', 'shiftright', 120);
    3930. 

  3930.     bitwise('>>>', 'shiftrightunsigned', 120);
    3931. 

  3931.     infix('in', 'in', 120);
    3932. 

  3932.     infix('instanceof', 'instanceof', 120);
    3933. 

  3933.     infix('+', function (left, that) {
    3934. 

  3934.         var right = parse(130);
    3935. 

  3935.         if (left && right && left.id === '(string)' && right.id === '(string)') {
    3936. 

  3936.             left.value += right.value;
    3937. 

  3937.             left.character = right.character;
    3938. 

  3938.             if (jx.test(left.value)) {
    3939. 

  3939.                 warning("JavaScript URL.", left);
    3940. 

  3940.             }
    3941. 

  3941.             return left;
    3942. 

  3942.         }
    3943. 

  3943.         that.left = left;
    3944. 

  3944.         that.right = right;
    3945. 

  3945.         return that;
    3946. 

  3946.     }, 130);
    3947. 

  3947.     prefix('+', 'num');
    3948. 

  3948.     infix('-', 'sub', 130);
    3949. 

  3949.     prefix('-', 'neg');
    3950. 

  3950.     infix('*', 'mult', 140);
    3951. 

  3951.     infix('/', 'div', 140);
    3952. 

  3952.     infix('%', 'mod', 140);
    3953. 

  3953. 

  3954.     suffix('++', 'postinc');
    3955. 

  3955.     prefix('++', 'preinc');
    3956. 

  3956.     syntax['++'].exps = true;
    3957. 

  3957. 

  3958.     suffix('--', 'postdec');
    3959. 

  3959.     prefix('--', 'predec');
    3960. 

  3960.     syntax['--'].exps = true;
    3961. 

  3961.     prefix('delete', function () {
    3962. 

  3962.         var p = parse(0);
    3963. 

  3963.         if (!p || (p.id !== '.' && p.id !== '[')) {
    3964. 

  3964.             warning("Expected '{a}' and instead saw '{b}'.",
    3965. 

  3965.                     nexttoken, '.', nexttoken.value);
    3966. 

  3966.         }
    3967. 

  3967.     }).exps = true;
    3968. 

  3968. 

  3969. 

  3970.     prefix('~', function () {
    3971. 

  3971.         if (option.bitwise) {
    3972. 

  3972.             warning("Unexpected '{a}'.", this, '~');
    3973. 

  3973.         }
    3974. 

  3974.         parse(150);
    3975. 

  3975.         return this;
    3976. 

  3976.     });
    3977. 

  3977.     prefix('!', 'not');
    3978. 

  3978.     prefix('typeof', 'typeof');
    3979. 

  3979.     prefix('new', function () {
    3980. 

  3980.         var c = parse(155), i;
    3981. 

  3981.         if (c && c.id !== 'function') {
    3982. 

  3982.             if (c.identifier) {
    3983. 

  3983.                 c['new'] = true;
    3984. 

  3984.                 switch (c.value) {
    3985. 

  3985.                 case 'Object':
    3986. 

  3986.                     warning("Use the object literal notation {}.", token);
    3987. 

  3987.                     break;
    3988. 

  3988.                 case 'Array':
    3989. 

  3989.                     if (nexttoken.id !== '(') {
    3990. 

  3990.                         warning("Use the array literal notation [].", token);
    3991. 

  3991.                     } else {
    3992. 

  3992.                         advance('(');
    3993. 

  3993.                         if (nexttoken.id === ')') {
    3994. 

  3994.                             warning("Use the array literal notation [].", token);
    3995. 

  3995.                         } else {
    3996. 

  3996.                             i = parse(0);
    3997. 

  3997.                             c.dimension = i;
    3998. 

  3998.                             if ((i.id === '(number)' && /[.+\-Ee]/.test(i.value)) ||
    3999. 

  3999.                                     (i.id === '-' && !i.right) ||
    4000. 

  4000.                                     i.id === '(string)' || i.id === '[' ||
    4001. 

  4001.                                     i.id === '{' || i.id === 'true' ||
    4002. 

  4002.                                     i.id === 'false' ||
    4003. 

  4003.                                     i.id === 'null' || i.id === 'undefined' ||
    4004. 

  4004.                                     i.id === 'Infinity') {
    4005. 

  4005.                                 warning("Use the array literal notation [].", token);
    4006. 

  4006.                             }
    4007. 

  4007.                             if (nexttoken.id !== ')') {
    4008. 

  4008.                                 error("Use the array literal notation [].", token);
    4009. 

  4009.                             }
    4010. 

  4010.                         }
    4011. 

  4011.                         advance(')');
    4012. 

  4012.                     }
    4013. 

  4013.                     this.first = c;
    4014. 

  4014.                     return this;
    4015. 

  4015.                 case 'Number':
    4016. 

  4016.                 case 'String':
    4017. 

  4017.                 case 'Boolean':
    4018. 

  4018.                 case 'Math':
    4019. 

  4019.                     warning("Do not use {a} as a constructor.", token, c.value);
    4020. 

  4020.                     break;
    4021. 

  4021.                 case 'Function':
    4022. 

  4022.                     if (!option.evil) {
    4023. 

  4023.                         warning("The Function constructor is eval.");
    4024. 

  4024.                     }
    4025. 

  4025.                     break;
    4026. 

  4026.                 case 'Date':
    4027. 

  4027.                 case 'RegExp':
    4028. 

  4028.                     break;
    4029. 

  4029.                 default:
    4030. 

  4030.                     if (c.id !== 'function') {
    4031. 

  4031.                         i = c.value.substr(0, 1);
    4032. 

  4032.                         if (option.newcap && (i < 'A' || i > 'Z')) {
    4033. 

  4033.                             warning(
    4034. 

  4034.                     "A constructor name should start with an uppercase letter.",
    4035. 

  4035.                                 token);
    4036. 

  4036.                         }
    4037. 

  4037.                     }
    4038. 

  4038.                 }
    4039. 

  4039.             } else {
    4040. 

  4040.                 if (c.id !== '.' && c.id !== '[' && c.id !== '(') {
    4041. 

  4041.                     warning("Bad constructor.", token);
    4042. 

  4042.                 }
    4043. 

  4043.             }
    4044. 

  4044.         } else {
    4045. 

  4045.             warning("Weird construction. Delete 'new'.", this);
    4046. 

  4046.         }
    4047. 

  4047.         adjacent(token, nexttoken);
    4048. 

  4048.         if (nexttoken.id !== '(') {
    4049. 

  4049.             warning("Missing '()' invoking a constructor.");
    4050. 

  4050.         }
    4051. 

  4051.         this.first = c;
    4052. 

  4052.         return this;
    4053. 

  4053.     });
    4054. 

  4054.     syntax['new'].exps = true;
    4055. 

  4055. 

  4056.     infix('.', function (left, that) {
    4057. 

  4057.         adjacent(prevtoken, token);
    4058. 

  4058.         var m = identifier();
    4059. 

  4059.         if (typeof m === 'string') {
    4060. 

  4060.             countMember(m);
    4061. 

  4061.         }
    4062. 

  4062.         that.left = left;
    4063. 

  4063.         that.right = m;
    4064. 

  4064.         if (!option.evil && left && left.value === 'document' &&
    4065. 

  4065.                 (m === 'write' || m === 'writeln')) {
    4066. 

  4066.             warning("document.write can be a form of eval.", left);
    4067. 

  4067.         } else if (option.adsafe) {
    4068. 

  4068.             if (left && left.value === 'ADSAFE') {
    4069. 

  4069.                 if (m === 'id' || m === 'lib') {
    4070. 

  4070.                     warning("ADsafe violation.", that);
    4071. 

  4071.                 } else if (m === 'go') {
    4072. 

  4072.                     if (xmode !== 'script') {
    4073. 

  4073.                         warning("ADsafe violation.", that);
    4074. 

  4074.                     } else if (adsafe_went || nexttoken.id !== '(' ||
    4075. 

  4075.                             peek(0).id !== '(string)' ||
    4076. 

  4076.                             peek(0).value !== adsafe_id ||
    4077. 

  4077.                             peek(1).id !== ',') {
    4078. 

  4078.                         error("ADsafe violation: go.", that);
    4079. 

  4079.                     }
    4080. 

  4080.                     adsafe_went = true;
    4081. 

  4081.                     adsafe_may = false;
    4082. 

  4082.                 }
    4083. 

  4083.             }
    4084. 

  4084.         }
    4085. 

  4085.         if (!option.evil && (m === 'eval' || m === 'execScript')) {
    4086. 

  4086.             warning('eval is evil.');
    4087. 

  4087.         } else if (option.safe) {
    4088. 

  4088.             for (;;) {
    4089. 

  4089.                 if (banned[m] === true) {
    4090. 

  4090.                     warning("ADsafe restricted word '{a}'.", token, m);
    4091. 

  4091.                 }
    4092. 

  4092.                 if (typeof predefined[left.value] !== 'boolean' ||
    4093. 

  4093.                         nexttoken.id === '(') {
    4094. 

  4094.                     break;
    4095. 

  4095.                 }
    4096. 

  4096.                 if (standard_member[m] === true) {
    4097. 

  4097.                     if (nexttoken.id === '.') {
    4098. 

  4098.                         warning("ADsafe violation.", that);
    4099. 

  4099.                     }
    4100. 

  4100.                     break;
    4101. 

  4101.                 }
    4102. 

  4102.                 if (nexttoken.id !== '.') {
    4103. 

  4103.                     warning("ADsafe violation.", that);
    4104. 

  4104.                     break;
    4105. 

  4105.                 }
    4106. 

  4106.                 advance('.');
    4107. 

  4107.                 token.left = that;
    4108. 

  4108.                 token.right = m;
    4109. 

  4109.                 that = token;
    4110. 

  4110.                 m = identifier();
    4111. 

  4111.                 if (typeof m === 'string') {
    4112. 

  4112.                     countMember(m);
    4113. 

  4113.                 }
    4114. 

  4114.             }
    4115. 

  4115.         }
    4116. 

  4116.         return that;
    4117. 

  4117.     }, 160, true);
    4118. 

  4118. 

  4119.     infix('(', function (left, that) {
    4120. 

  4120.         adjacent(prevtoken, token);
    4121. 

  4121.         nospace();
    4122. 

  4122.         var n = 0,
    4123. 

  4123.             p = [];
    4124. 

  4124.         if (left) {
    4125. 

  4125.             if (left.type === '(identifier)') {
    4126. 

  4126.                 if (left.value.match(/^[A-Z]([A-Z0-9_$]*[a-z][A-Za-z0-9_$]*)?$/)) {
    4127. 

  4127.                     if (left.value !== 'Number' && left.value !== 'String' &&
    4128. 

  4128.                             left.value !== 'Boolean' &&
    4129. 

  4129.                             left.value !== 'Date') {
    4130. 

  4130.                         if (left.value === 'Math') {
    4131. 

  4131.                             warning("Math is not a function.", left);
    4132. 

  4132.                         } else if (option.newcap) {
    4133. 

  4133.                             warning(
    4134. 

  4134. "Missing 'new' prefix when invoking a constructor.", left);
    4135. 

  4135.                         }
    4136. 

  4136.                     }
    4137. 

  4137.                 }
    4138. 

  4138.             } else if (left.id === '.') {
    4139. 

  4139.                 if (option.safe && left.left.value === 'Math' &&
    4140. 

  4140.                         left.right === 'random') {
    4141. 

  4141.                     warning("ADsafe violation.", left);
    4142. 

  4142.                 }
    4143. 

  4143.             }
    4144. 

  4144.         }
    4145. 

  4145.         if (nexttoken.id !== ')') {
    4146. 

  4146.             for (;;) {
    4147. 

  4147.                 p[p.length] = parse(10);
    4148. 

  4148.                 n += 1;
    4149. 

  4149.                 if (nexttoken.id !== ',') {
    4150. 

  4150.                     break;
    4151. 

  4151.                 }
    4152. 

  4152.                 comma();
    4153. 

  4153.             }
    4154. 

  4154.         }
    4155. 

  4155.         advance(')');
    4156. 

  4156.         if (option.immed && left.id === 'function' && nexttoken.id !== ')') {
    4157. 

  4157.             warning("Wrap the entire immediate function invocation in parens.",
    4158. 

  4158.                 that);
    4159. 

  4159.         }
    4160. 

  4160.         nospace(prevtoken, token);
    4161. 

  4161.         if (typeof left === 'object') {
    4162. 

  4162.             if (left.value === 'parseInt' && n === 1) {
    4163. 

  4163.                 warning("Missing radix parameter.", left);
    4164. 

  4164.             }
    4165. 

  4165.             if (!option.evil) {
    4166. 

  4166.                 if (left.value === 'eval' || left.value === 'Function' ||
    4167. 

  4167.                         left.value === 'execScript') {
    4168. 

  4168.                     warning("eval is evil.", left);
    4169. 

  4169.                 } else if (p[0] && p[0].id === '(string)' &&
    4170. 

  4170.                        (left.value === 'setTimeout' ||
    4171. 

  4171.                         left.value === 'setInterval')) {
    4172. 

  4172.                     warning(
    4173. 

  4173.     "Implied eval is evil. Pass a function instead of a string.", left);
    4174. 

  4174.                 }
    4175. 

  4175.             }
    4176. 

  4176.             if (!left.identifier && left.id !== '.' && left.id !== '[' &&
    4177. 

  4177.                     left.id !== '(' && left.id !== '&&' && left.id !== '||' &&
    4178. 

  4178.                     left.id !== '?') {
    4179. 

  4179.                 warning("Bad invocation.", left);
    4180. 

  4180.             }
    4181. 

  4181. 

  4182.         }
    4183. 

  4183.         that.left = left;
    4184. 

  4184.         return that;
    4185. 

  4185.     }, 155, true).exps = true;
    4186. 

  4186. 

  4187.     prefix('(', function () {
    4188. 

  4188.         nospace();
    4189. 

  4189.         var v = parse(0);
    4190. 

  4190.         advance(')', this);
    4191. 

  4191.         nospace(prevtoken, token);
    4192. 

  4192.         if (option.immed && v.id === 'function') {
    4193. 

  4193.             if (nexttoken.id === '(') {
    4194. 

  4194.                 warning(
    4195. 

  4195. "Move the invocation into the parens that contain the function.", nexttoken);
    4196. 

  4196.             } else {
    4197. 

  4197.                 warning(
    4198. 

  4198. "Do not wrap function literals in parens unless they are to be immediately invoked.",
    4199. 

  4199.                         this);
    4200. 

  4200.             }
    4201. 

  4201.         }
    4202. 

  4202.         return v;
    4203. 

  4203.     });
    4204. 

  4204. 

  4205.     infix('[', function (left, that) {
    4206. 

  4206.         nospace();
    4207. 

  4207.         var e = parse(0), s;
    4208. 

  4208.         if (e && e.type === '(string)') {
    4209. 

  4209.             if (option.safe && banned[e.value] === true) {
    4210. 

  4210.                 warning("ADsafe restricted word '{a}'.", that, e.value);
    4211. 

  4211.             } else if (!option.evil &&
    4212. 

  4212.                     (e.value === 'eval' || e.value === 'execScript')) {
    4213. 

  4213.                 warning("eval is evil.", that);
    4214. 

  4214.             } else if (option.safe &&
    4215. 

  4215.                     (e.value.charAt(0) === '_' || e.value.charAt(0) === '-')) {
    4216. 

  4216.                 warning("ADsafe restricted subscript '{a}'.", that, e.value);
    4217. 

  4217.             }
    4218. 

  4218.             countMember(e.value);
    4219. 

  4219.             if (!option.sub && ix.test(e.value)) {
    4220. 

  4220.                 s = syntax[e.value];
    4221. 

  4221.                 if (!s || !s.reserved) {
    4222. 

  4222.                     warning("['{a}'] is better written in dot notation.",
    4223. 

  4223.                             e, e.value);
    4224. 

  4224.                 }
    4225. 

  4225.             }
    4226. 

  4226.         } else if (!e || e.type !== '(number)' || e.value < 0) {
    4227. 

  4227.             if (option.safe) {
    4228. 

  4228.                 warning('ADsafe subscripting.');
    4229. 

  4229.             }
    4230. 

  4230.         }
    4231. 

  4231.         advance(']', that);
    4232. 

  4232.         nospace(prevtoken, token);
    4233. 

  4233.         that.left = left;
    4234. 

  4234.         that.right = e;
    4235. 

  4235.         return that;
    4236. 

  4236.     }, 160, true);
    4237. 

  4237. 

  4238.     prefix('[', function () {
    4239. 

  4239.         this.first = [];
    4240. 

  4240.         if (nexttoken.id === ']') {
    4241. 

  4241.             advance(']');
    4242. 

  4242.             return this;
    4243. 

  4243.         }
    4244. 

  4244.         var b = token.line !== nexttoken.line;
    4245. 

  4245.         if (b) {
    4246. 

  4246.             indent += option.indent;
    4247. 

  4247.             if (nexttoken.from === indent + option.indent) {
    4248. 

  4248.                 indent += option.indent;
    4249. 

  4249.             }
    4250. 

  4250.         }
    4251. 

  4251.         for (;;) {
    4252. 

  4252.             if (b && token.line !== nexttoken.line) {
    4253. 

  4253.                 indentation();
    4254. 

  4254.             }
    4255. 

  4255.             parse(10);
    4256. 

  4256.             if (nexttoken.id === ',') {
    4257. 

  4257.                 comma();
    4258. 

  4258.                 if (nexttoken.id === ',') {
    4259. 

  4259.                     warning("Extra comma.", token);
    4260. 

  4260.                 } else if (nexttoken.id === ']') {
    4261. 

  4261.                     warning("Extra comma.", token);
    4262. 

  4262.                     break;
    4263. 

  4263.                 }
    4264. 

  4264.             } else {
    4265. 

  4265.                 if (b) {
    4266. 

  4266.                     indent -= option.indent;
    4267. 

  4267.                     indentation();
    4268. 

  4268.                 }
    4269. 

  4269.                 break;
    4270. 

  4270.             }
    4271. 

  4271.         }
    4272. 

  4272.         advance(']', this);
    4273. 

  4273.         return this;
    4274. 

  4274.     }, 160);
    4275. 

  4275. 

  4276.     (function (x) {
    4277. 

  4277.         x.nud = function () {
    4278. 

  4278.             var b, i, s, seen = {};
    4279. 

  4279.             b = token.line !== nexttoken.line;
    4280. 

  4280.             if (b) {
    4281. 

  4281.                 indent += option.indent;
    4282. 

  4282.                 if (nexttoken.from === indent + option.indent) {
    4283. 

  4283.                     indent += option.indent;
    4284. 

  4284.                 }
    4285. 

  4285.             }
    4286. 

  4286.             for (;;) {
    4287. 

  4287.                 if (nexttoken.id === '}') {
    4288. 

  4288.                     break;
    4289. 

  4289.                 }
    4290. 

  4290.                 if (b) {
    4291. 

  4291.                     indentation();
    4292. 

  4292.                 }
    4293. 

  4293.                 i = optionalidentifier(true);
    4294. 

  4294.                 if (!i) {
    4295. 

  4295.                     if (nexttoken.id === '(string)') {
    4296. 

  4296.                         i = nexttoken.value;
    4297. 

  4297.                         if (ix.test(i)) {
    4298. 

  4298.                             s = syntax[i];
    4299. 

  4299.                         }
    4300. 

  4300.                         advance();
    4301. 

  4301.                     } else if (nexttoken.id === '(number)') {
    4302. 

  4302.                         i = nexttoken.value.toString();
    4303. 

  4303.                         advance();
    4304. 

  4304.                     } else {
    4305. 

  4305.                         error("Expected '{a}' and instead saw '{b}'.",
    4306. 

  4306.                                 nexttoken, '}', nexttoken.value);
    4307. 

  4307.                     }
    4308. 

  4308.                 }
    4309. 

  4309.                 if (seen[i] === true) {
    4310. 

  4310.                     warning("Duplicate member '{a}'.", nexttoken, i);
    4311. 

  4311.                 }
    4312. 

  4312.                 seen[i] = true;
    4313. 

  4313.                 countMember(i);
    4314. 

  4314.                 advance(':');
    4315. 

  4315.                 nonadjacent(token, nexttoken);
    4316. 

  4316.                 parse(10);
    4317. 

  4317.                 if (nexttoken.id === ',') {
    4318. 

  4318.                     comma();
    4319. 

  4319.                     if (nexttoken.id === ',' || nexttoken.id === '}') {
    4320. 

  4320.                         warning("Extra comma.", token);
    4321. 

  4321.                     }
    4322. 

  4322.                 } else {
    4323. 

  4323.                     break;
    4324. 

  4324.                 }
    4325. 

  4325.             }
    4326. 

  4326.             if (b) {
    4327. 

  4327.                 indent -= option.indent;
    4328. 

  4328.                 indentation();
    4329. 

  4329.             }
    4330. 

  4330.             advance('}', this);
    4331. 

  4331.             return this;
    4332. 

  4332.         };
    4333. 

  4333.         x.fud = function () {
    4334. 

  4334.             error("Expected to see a statement and instead saw a block.", token);
    4335. 

  4335.         };
    4336. 

  4336.     }(delim('{')));
    4337. 

  4337. 

  4338. 

  4339.     function varstatement(prefix) {
    4340. 

  4340. 

  4341. // JavaScript does not have block scope. It only has function scope. So,
    4342. 

  4342. // declaring a variable in a block can have unexpected consequences.
    4343. 

  4343. 

  4344.         var id, name, value;
    4345. 

  4345. 

  4346.         if (funct['(onevar)'] && option.onevar) {
    4347. 

  4347.             warning("Too many var statements.");
    4348. 

  4348.         } else if (!funct['(global)']) {
    4349. 

  4349.             funct['(onevar)'] = true;
    4350. 

  4350.         }
    4351. 

  4351.         this.first = [];
    4352. 

  4352.         for (;;) {
    4353. 

  4353.             nonadjacent(token, nexttoken);
    4354. 

  4354.             id = identifier();
    4355. 

  4355.             if (funct['(global)'] && predefined[id] === false) {
    4356. 

  4356.                 warning("Redefinition of '{a}'.", token, id);
    4357. 

  4357.             }
    4358. 

  4358.             addlabel(id, 'unused');
    4359. 

  4359.             if (prefix) {
    4360. 

  4360.                 break;
    4361. 

  4361.             }
    4362. 

  4362.             name = token;
    4363. 

  4363.             this.first.push(token);
    4364. 

  4364.             if (nexttoken.id === '=') {
    4365. 

  4365.                 nonadjacent(token, nexttoken);
    4366. 

  4366.                 advance('=');
    4367. 

  4367.                 nonadjacent(token, nexttoken);
    4368. 

  4368.                 if (peek(0).id === '=' && nexttoken.identifier) {
    4369. 

  4369.                     error("Variable {a} was not declared correctly.",
    4370. 

  4370.                             nexttoken, nexttoken.value);
    4371. 

  4371.                 }
    4372. 

  4372.                 value = parse(0);
    4373. 

  4373.                 name.first = value;
    4374. 

  4374.             }
    4375. 

  4375.             if (nexttoken.id !== ',') {
    4376. 

  4376.                 break;
    4377. 

  4377.             }
    4378. 

  4378.             comma();
    4379. 

  4379.         }
    4380. 

  4380.         return this;
    4381. 

  4381.     }
    4382. 

  4382. 

  4383. 

  4384.     stmt('var', varstatement);
    4385. 

  4385. 

  4386.     stmt('new', function () {
    4387. 

  4387.         warning("'new' should not be used as a statement.");
    4388. 

  4388.     });
    4389. 

  4389. 

  4390. 

  4391.     function functionparams() {
    4392. 

  4392.         var i, t = nexttoken, p = [];
    4393. 

  4393.         advance('(');
    4394. 

  4394.         nospace();
    4395. 

  4395.         if (nexttoken.id === ')') {
    4396. 

  4396.             advance(')');
    4397. 

  4397.             nospace(prevtoken, token);
    4398. 

  4398.             return;
    4399. 

  4399.         }
    4400. 

  4400.         for (;;) {
    4401. 

  4401.             i = identifier();
    4402. 

  4402.             p.push(i);
    4403. 

  4403.             addlabel(i, 'parameter');
    4404. 

  4404.             if (nexttoken.id === ',') {
    4405. 

  4405.                 comma();
    4406. 

  4406.             } else {
    4407. 

  4407.                 advance(')', t);
    4408. 

  4408.                 nospace(prevtoken, token);
    4409. 

  4409.                 return p;
    4410. 

  4410.             }
    4411. 

  4411.         }
    4412. 

  4412.     }
    4413. 

  4413. 

  4414.     function doFunction(i) {
    4415. 

  4415.         var s = scope;
    4416. 

  4416.         scope = Object.create(s);
    4417. 

  4417.         funct = {
    4418. 

  4418.             '(name)'    : i || '"' + anonname + '"',
    4419. 

  4419.             '(line)'    : nexttoken.line,
    4420. 

  4420.             '(context)' : funct,
    4421. 

  4421.             '(breakage)': 0,
    4422. 

  4422.             '(loopage)' : 0,
    4423. 

  4423.             '(scope)'   : scope
    4424. 

  4424.         };
    4425. 

  4425.         token.funct = funct;
    4426. 

  4426.         functions.push(funct);
    4427. 

  4427.         if (i) {
    4428. 

  4428.             addlabel(i, 'function');
    4429. 

  4429.         }
    4430. 

  4430.         funct['(params)'] = functionparams();
    4431. 

  4431. 

  4432.         block(false);
    4433. 

  4433.         scope = s;
    4434. 

  4434.         funct['(last)'] = token.line;
    4435. 

  4435.         funct = funct['(context)'];
    4436. 

  4436.     }
    4437. 

  4437. 

  4438. 

  4439.     blockstmt('function', function () {
    4440. 

  4440.         if (inblock) {
    4441. 

  4441.             warning(
    4442. 

  4442. "Function statements cannot be placed in blocks. Use a function expression or move the statement to the top of the outer function.", token);
    4443. 

  4443. 

  4444.         }
    4445. 

  4445.         var i = identifier();
    4446. 

  4446.         adjacent(token, nexttoken);
    4447. 

  4447.         addlabel(i, 'unused');
    4448. 

  4448.         doFunction(i);
    4449. 

  4449.         if (nexttoken.id === '(' && nexttoken.line === token.line) {
    4450. 

  4450.             error(
    4451. 

  4451. "Function statements are not invocable. Wrap the whole function invocation in parens.");
    4452. 

  4452.         }
    4453. 

  4453.     });
    4454. 

  4454. 

  4455.     prefix('function', function () {
    4456. 

  4456.         var i = optionalidentifier();
    4457. 

  4457.         if (i) {
    4458. 

  4458.             adjacent(token, nexttoken);
    4459. 

  4459.         } else {
    4460. 

  4460.             nonadjacent(token, nexttoken);
    4461. 

  4461.         }
    4462. 

  4462.         doFunction(i);
    4463. 

  4463.         if (funct['(loopage)'] && nexttoken.id !== '(') {
    4464. 

  4464.             warning("Be careful when making functions within a loop. Consider putting the function in a closure.");
    4465. 

  4465.         }
    4466. 

  4466.         return this;
    4467. 

  4467.     });
    4468. 

  4468. 

  4469.     blockstmt('if', function () {
    4470. 

  4470.         var t = nexttoken;
    4471. 

  4471.         advance('(');
    4472. 

  4472.         nonadjacent(this, t);
    4473. 

  4473.         nospace();
    4474. 

  4474.         parse(20);
    4475. 

  4475.         if (nexttoken.id === '=') {
    4476. 

  4476.             warning("Expected a conditional expression and instead saw an assignment.");
    4477. 

  4477.             advance('=');
    4478. 

  4478.             parse(20);
    4479. 

  4479.         }
    4480. 

  4480.         advance(')', t);
    4481. 

  4481.         nospace(prevtoken, token);
    4482. 

  4482.         block(true);
    4483. 

  4483.         if (nexttoken.id === 'else') {
    4484. 

  4484.             nonadjacent(token, nexttoken);
    4485. 

  4485.             advance('else');
    4486. 

  4486.             if (nexttoken.id === 'if' || nexttoken.id === 'switch') {
    4487. 

  4487.                 statement(true);
    4488. 

  4488.             } else {
    4489. 

  4489.                 block(true);
    4490. 

  4490.             }
    4491. 

  4491.         }
    4492. 

  4492.         return this;
    4493. 

  4493.     });
    4494. 

  4494. 

  4495.     blockstmt('try', function () {
    4496. 

  4496.         var b, e, s;
    4497. 

  4497.         if (option.adsafe) {
    4498. 

  4498.             warning("ADsafe try violation.", this);
    4499. 

  4499.         }
    4500. 

  4500.         block(false);
    4501. 

  4501.         if (nexttoken.id === 'catch') {
    4502. 

  4502.             advance('catch');
    4503. 

  4503.             nonadjacent(token, nexttoken);
    4504. 

  4504.             advance('(');
    4505. 

  4505.             s = scope;
    4506. 

  4506.             scope = Object.create(s);
    4507. 

  4507.             e = nexttoken.value;
    4508. 

  4508.             if (nexttoken.type !== '(identifier)') {
    4509. 

  4509.                 warning("Expected an identifier and instead saw '{a}'.",
    4510. 

  4510.                     nexttoken, e);
    4511. 

  4511.             } else {
    4512. 

  4512.                 addlabel(e, 'exception');
    4513. 

  4513.             }
    4514. 

  4514.             advance();
    4515. 

  4515.             advance(')');
    4516. 

  4516.             block(false);
    4517. 

  4517.             b = true;
    4518. 

  4518.             scope = s;
    4519. 

  4519.         }
    4520. 

  4520.         if (nexttoken.id === 'finally') {
    4521. 

  4521.             advance('finally');
    4522. 

  4522.             block(false);
    4523. 

  4523.             return;
    4524. 

  4524.         } else if (!b) {
    4525. 

  4525.             error("Expected '{a}' and instead saw '{b}'.",
    4526. 

  4526.                     nexttoken, 'catch', nexttoken.value);
    4527. 

  4527.         }
    4528. 

  4528.     });
    4529. 

  4529. 

  4530.     blockstmt('while', function () {
    4531. 

  4531.         var t = nexttoken;
    4532. 

  4532.         funct['(breakage)'] += 1;
    4533. 

  4533.         funct['(loopage)'] += 1;
    4534. 

  4534.         advance('(');
    4535. 

  4535.         nonadjacent(this, t);
    4536. 

  4536.         nospace();
    4537. 

  4537.         parse(20);
    4538. 

  4538.         if (nexttoken.id === '=') {
    4539. 

  4539.             warning("Expected a conditional expression and instead saw an assignment.");
    4540. 

  4540.             advance('=');
    4541. 

  4541.             parse(20);
    4542. 

  4542.         }
    4543. 

  4543.         advance(')', t);
    4544. 

  4544.         nospace(prevtoken, token);
    4545. 

  4545.         block(true);
    4546. 

  4546.         funct['(breakage)'] -= 1;
    4547. 

  4547.         funct['(loopage)'] -= 1;
    4548. 

  4548.     }).labelled = true;
    4549. 

  4549. 

  4550.     reserve('with');
    4551. 

  4551. 

  4552.     blockstmt('switch', function () {
    4553. 

  4553.         var t = nexttoken,
    4554. 

  4554.             g = false;
    4555. 

  4555.         funct['(breakage)'] += 1;
    4556. 

  4556.         advance('(');
    4557. 

  4557.         nonadjacent(this, t);
    4558. 

  4558.         nospace();
    4559. 

  4559.         this.condition = parse(20);
    4560. 

  4560.         advance(')', t);
    4561. 

  4561.         nospace(prevtoken, token);
    4562. 

  4562.         nonadjacent(token, nexttoken);
    4563. 

  4563.         t = nexttoken;
    4564. 

  4564.         advance('{');
    4565. 

  4565.         nonadjacent(token, nexttoken);
    4566. 

  4566.         indent += option.indent;
    4567. 

  4567.         this.cases = [];
    4568. 

  4568.         for (;;) {
    4569. 

  4569.             switch (nexttoken.id) {
    4570. 

  4570.             case 'case':
    4571. 

  4571.                 switch (funct['(verb)']) {
    4572. 

  4572.                 case 'break':
    4573. 

  4573.                 case 'case':
    4574. 

  4574.                 case 'continue':
    4575. 

  4575.                 case 'return':
    4576. 

  4576.                 case 'switch':
    4577. 

  4577.                 case 'throw':
    4578. 

  4578.                     break;
    4579. 

  4579.                 default:
    4580. 

  4580.                     warning(
    4581. 

  4581.                         "Expected a 'break' statement before 'case'.",
    4582. 

  4582.                         token);
    4583. 

  4583.                 }
    4584. 

  4584.                 indentation(-option.indent);
    4585. 

  4585.                 advance('case');
    4586. 

  4586.                 this.cases.push(parse(20));
    4587. 

  4587.                 g = true;
    4588. 

  4588.                 advance(':');
    4589. 

  4589.                 funct['(verb)'] = 'case';
    4590. 

  4590.                 break;
    4591. 

  4591.             case 'default':
    4592. 

  4592.                 switch (funct['(verb)']) {
    4593. 

  4593.                 case 'break':
    4594. 

  4594.                 case 'continue':
    4595. 

  4595.                 case 'return':
    4596. 

  4596.                 case 'throw':
    4597. 

  4597.                     break;
    4598. 

  4598.                 default:
    4599. 

  4599.                     warning(
    4600. 

  4600.                         "Expected a 'break' statement before 'default'.",
    4601. 

  4601.                         token);
    4602. 

  4602.                 }
    4603. 

  4603.                 indentation(-option.indent);
    4604. 

  4604.                 advance('default');
    4605. 

  4605.                 g = true;
    4606. 

  4606.                 advance(':');
    4607. 

  4607.                 break;
    4608. 

  4608.             case '}':
    4609. 

  4609.                 indent -= option.indent;
    4610. 

  4610.                 indentation();
    4611. 

  4611.                 advance('}', t);
    4612. 

  4612.                 if (this.cases.length === 1 || this.condition.id === 'true' ||
    4613. 

  4613.                         this.condition.id === 'false') {
    4614. 

  4614.                     warning("This 'switch' should be an 'if'.", this);
    4615. 

  4615.                 }
    4616. 

  4616.                 funct['(breakage)'] -= 1;
    4617. 

  4617.                 funct['(verb)'] = undefined;
    4618. 

  4618.                 return;
    4619. 

  4619.             case '(end)':
    4620. 

  4620.                 error("Missing '{a}'.", nexttoken, '}');
    4621. 

  4621.                 return;
    4622. 

  4622.             default:
    4623. 

  4623.                 if (g) {
    4624. 

  4624.                     switch (token.id) {
    4625. 

  4625.                     case ',':
    4626. 

  4626.                         error("Each value should have its own case label.");
    4627. 

  4627.                         return;
    4628. 

  4628.                     case ':':
    4629. 

  4629.                         statements();
    4630. 

  4630.                         break;
    4631. 

  4631.                     default:
    4632. 

  4632.                         error("Missing ':' on a case clause.", token);
    4633. 

  4633.                     }
    4634. 

  4634.                 } else {
    4635. 

  4635.                     error("Expected '{a}' and instead saw '{b}'.",
    4636. 

  4636.                         nexttoken, 'case', nexttoken.value);
    4637. 

  4637.                 }
    4638. 

  4638.             }
    4639. 

  4639.         }
    4640. 

  4640.     }).labelled = true;
    4641. 

  4641. 

  4642.     stmt('debugger', function () {
    4643. 

  4643.         if (!option.debug) {
    4644. 

  4644.             warning("All 'debugger' statements should be removed.");
    4645. 

  4645.         }
    4646. 

  4646.     });
    4647. 

  4647. 

  4648.     stmt('do', function () {
    4649. 

  4649.         funct['(breakage)'] += 1;
    4650. 

  4650.         funct['(loopage)'] += 1;
    4651. 

  4651.         block(true);
    4652. 

  4652.         advance('while');
    4653. 

  4653.         var t = nexttoken;
    4654. 

  4654.         nonadjacent(token, t);
    4655. 

  4655.         advance('(');
    4656. 

  4656.         nospace();
    4657. 

  4657.         parse(20);
    4658. 

  4658.         if (nexttoken.id === '=') {
    4659. 

  4659.             warning("Expected a conditional expression and instead saw an assignment.");
    4660. 

  4660.             advance('=');
    4661. 

  4661.             parse(20);
    4662. 

  4662.         }
    4663. 

  4663.         advance(')', t);
    4664. 

  4664.         nospace(prevtoken, token);
    4665. 

  4665.         funct['(breakage)'] -= 1;
    4666. 

  4666.         funct['(loopage)'] -= 1;
    4667. 

  4667.     }).labelled = true;
    4668. 

  4668. 

  4669.     blockstmt('for', function () {
    4670. 

  4670.         var s, t = nexttoken;
    4671. 

  4671.         funct['(breakage)'] += 1;
    4672. 

  4672.         funct['(loopage)'] += 1;
    4673. 

  4673.         advance('(');
    4674. 

  4674.         nonadjacent(this, t);
    4675. 

  4675.         nospace();
    4676. 

  4676.         if (peek(nexttoken.id === 'var' ? 1 : 0).id === 'in') {
    4677. 

  4677.             if (nexttoken.id === 'var') {
    4678. 

  4678.                 advance('var');
    4679. 

  4679.                 varstatement(true);
    4680. 

  4680.             } else {
    4681. 

  4681.                 switch (funct[nexttoken.value]) {
    4682. 

  4682.                 case 'unused':
    4683. 

  4683.                     funct[nexttoken.value] = 'var';
    4684. 

  4684.                     break;
    4685. 

  4685.                 case 'var':
    4686. 

  4686.                     break;
    4687. 

  4687.                 default:
    4688. 

  4688.                     warning("Bad for in variable '{a}'.",
    4689. 

  4689.                             nexttoken, nexttoken.value);
    4690. 

  4690.                 }
    4691. 

  4691.                 advance();
    4692. 

  4692.             }
    4693. 

  4693.             advance('in');
    4694. 

  4694.             parse(20);
    4695. 

  4695.             advance(')', t);
    4696. 

  4696.             s = block(true);
    4697. 

  4697.             if (!option.forin && (s.length > 1 || typeof s[0] !== 'object' ||
    4698. 

  4698.                     s[0].value !== 'if')) {
    4699. 

  4699.                 warning("The body of a for in should be wrapped in an if statement to filter unwanted properties from the prototype.", this);
    4700. 

  4700.             }
    4701. 

  4701.             funct['(breakage)'] -= 1;
    4702. 

  4702.             funct['(loopage)'] -= 1;
    4703. 

  4703.             return this;
    4704. 

  4704.         } else {
    4705. 

  4705.             if (nexttoken.id !== ';') {
    4706. 

  4706.                 if (nexttoken.id === 'var') {
    4707. 

  4707.                     advance('var');
    4708. 

  4708.                     varstatement();
    4709. 

  4709.                 } else {
    4710. 

  4710.                     for (;;) {
    4711. 

  4711.                         parse(0, 'for');
    4712. 

  4712.                         if (nexttoken.id !== ',') {
    4713. 

  4713.                             break;
    4714. 

  4714.                         }
    4715. 

  4715.                         comma();
    4716. 

  4716.                     }
    4717. 

  4717.                 }
    4718. 

  4718.             }
    4719. 

  4719.             nolinebreak(token);
    4720. 

  4720.             advance(';');
    4721. 

  4721.             if (nexttoken.id !== ';') {
    4722. 

  4722.                 parse(20);
    4723. 

  4723.                 if (nexttoken.id === '=') {
    4724. 

  4724.                     warning("Expected a conditional expression and instead saw an assignment.");
    4725. 

  4725.                     advance('=');
    4726. 

  4726.                     parse(20);
    4727. 

  4727.                 }
    4728. 

  4728.             }
    4729. 

  4729.             nolinebreak(token);
    4730. 

  4730.             advance(';');
    4731. 

  4731.             if (nexttoken.id === ';') {
    4732. 

  4732.                 error("Expected '{a}' and instead saw '{b}'.",
    4733. 

  4733.                         nexttoken, ')', ';');
    4734. 

  4734.             }
    4735. 

  4735.             if (nexttoken.id !== ')') {
    4736. 

  4736.                 for (;;) {
    4737. 

  4737.                     parse(0, 'for');
    4738. 

  4738.                     if (nexttoken.id !== ',') {
    4739. 

  4739.                         break;
    4740. 

  4740.                     }
    4741. 

  4741.                     comma();
    4742. 

  4742.                 }
    4743. 

  4743.             }
    4744. 

  4744.             advance(')', t);
    4745. 

  4745.             nospace(prevtoken, token);
    4746. 

  4746.             block(true);
    4747. 

  4747.             funct['(breakage)'] -= 1;
    4748. 

  4748.             funct['(loopage)'] -= 1;
    4749. 

  4749.         }
    4750. 

  4750.     }).labelled = true;
    4751. 

  4751. 

  4752. 

  4753.     stmt('break', function () {
    4754. 

  4754.         var v = nexttoken.value;
    4755. 

  4755.         if (funct['(breakage)'] === 0) {
    4756. 

  4756.             warning("Unexpected '{a}'.", nexttoken, this.value);
    4757. 

  4757.         }
    4758. 

  4758.         nolinebreak(this);
    4759. 

  4759.         if (nexttoken.id !== ';') {
    4760. 

  4760.             if (token.line === nexttoken.line) {
    4761. 

  4761.                 if (funct[v] !== 'label') {
    4762. 

  4762.                     warning("'{a}' is not a statement label.", nexttoken, v);
    4763. 

  4763.                 } else if (scope[v] !== funct) {
    4764. 

  4764.                     warning("'{a}' is out of scope.", nexttoken, v);
    4765. 

  4765.                 }
    4766. 

  4766.                 advance();
    4767. 

  4767.             }
    4768. 

  4768.         }
    4769. 

  4769.         reachable('break');
    4770. 

  4770.     });
    4771. 

  4771. 

  4772. 

  4773.     stmt('continue', function () {
    4774. 

  4774.         var v = nexttoken.value;
    4775. 

  4775.         if (funct['(breakage)'] === 0) {
    4776. 

  4776.             warning("Unexpected '{a}'.", nexttoken, this.value);
    4777. 

  4777.         }
    4778. 

  4778.         nolinebreak(this);
    4779. 

  4779.         if (nexttoken.id !== ';') {
    4780. 

  4780.             if (token.line === nexttoken.line) {
    4781. 

  4781.                 if (funct[v] !== 'label') {
    4782. 

  4782.                     warning("'{a}' is not a statement label.", nexttoken, v);
    4783. 

  4783.                 } else if (scope[v] !== funct) {
    4784. 

  4784.                     warning("'{a}' is out of scope.", nexttoken, v);
    4785. 

  4785.                 }
    4786. 

  4786.                 advance();
    4787. 

  4787.             }
    4788. 

  4788.         }
    4789. 

  4789.         reachable('continue');
    4790. 

  4790.     });
    4791. 

  4791. 

  4792. 

  4793.     stmt('return', function () {
    4794. 

  4794.         nolinebreak(this);
    4795. 

  4795.         if (nexttoken.id === '(regexp)') {
    4796. 

  4796.             warning("Wrap the /regexp/ literal in parens to disambiguate the slash operator.");
    4797. 

  4797.         }
    4798. 

  4798.         if (nexttoken.id !== ';' && !nexttoken.reach) {
    4799. 

  4799.             nonadjacent(token, nexttoken);
    4800. 

  4800.             parse(20);
    4801. 

  4801.         }
    4802. 

  4802.         reachable('return');
    4803. 

  4803.     });
    4804. 

  4804. 

  4805. 

  4806.     stmt('throw', function () {
    4807. 

  4807.         nolinebreak(this);
    4808. 

  4808.         nonadjacent(token, nexttoken);
    4809. 

  4809.         parse(20);
    4810. 

  4810.         reachable('throw');
    4811. 

  4811.     });
    4812. 

  4812. 

  4813.     reserve('void');
    4814. 

  4814. 

  4815. //  Superfluous reserved words
    4816. 

  4816. 

  4817.     reserve('class');
    4818. 

  4818.     reserve('const');
    4819. 

  4819.     reserve('enum');
    4820. 

  4820.     reserve('export');
    4821. 

  4821.     reserve('extends');
    4822. 

  4822.     reserve('import');
    4823. 

  4823.     reserve('super');
    4824. 

  4824. 

  4825.     reserve('let');
    4826. 

  4826.     reserve('yield');
    4827. 

  4827.     reserve('implements');
    4828. 

  4828.     reserve('interface');
    4829. 

  4829.     reserve('package');
    4830. 

  4830.     reserve('private');
    4831. 

  4831.     reserve('protected');
    4832. 

  4832.     reserve('public');
    4833. 

  4833.     reserve('static');
    4834. 

  4834. 

  4835.     function jsonValue() {
    4836. 

  4836. 

  4837.         function jsonObject() {
    4838. 

  4838.             var o = {}, t = nexttoken;
    4839. 

  4839.             advance('{');
    4840. 

  4840.             if (nexttoken.id !== '}') {
    4841. 

  4841.                 for (;;) {
    4842. 

  4842.                     if (nexttoken.id === '(end)') {
    4843. 

  4843.                         error("Missing '}' to match '{' from line {a}.",
    4844. 

  4844.                                 nexttoken, t.line);
    4845. 

  4845.                     } else if (nexttoken.id === '}') {
    4846. 

  4846.                         warning("Unexpected comma.", token);
    4847. 

  4847.                         break;
    4848. 

  4848.                     } else if (nexttoken.id === ',') {
    4849. 

  4849.                         error("Unexpected comma.", nexttoken);
    4850. 

  4850.                     } else if (nexttoken.id !== '(string)') {
    4851. 

  4851.                         warning("Expected a string and instead saw {a}.",
    4852. 

  4852.                                 nexttoken, nexttoken.value);
    4853. 

  4853.                     }
    4854. 

  4854.                     if (o[nexttoken.value] === true) {
    4855. 

  4855.                         warning("Duplicate key '{a}'.",
    4856. 

  4856.                                 nexttoken, nexttoken.value);
    4857. 

  4857.                     } else if (nexttoken.value === '__proto__') {
    4858. 

  4858.                         warning("Stupid key '{a}'.",
    4859. 

  4859.                                 nexttoken, nexttoken.value);
    4860. 

  4860.                     } else {
    4861. 

  4861.                         o[nexttoken.value] = true;
    4862. 

  4862.                     }
    4863. 

  4863.                     advance();
    4864. 

  4864.                     advance(':');
    4865. 

  4865.                     jsonValue();
    4866. 

  4866.                     if (nexttoken.id !== ',') {
    4867. 

  4867.                         break;
    4868. 

  4868.                     }
    4869. 

  4869.                     advance(',');
    4870. 

  4870.                 }
    4871. 

  4871.             }
    4872. 

  4872.             advance('}');
    4873. 

  4873.         }
    4874. 

  4874. 

  4875.         function jsonArray() {
    4876. 

  4876.             var t = nexttoken;
    4877. 

  4877.             advance('[');
    4878. 

  4878.             if (nexttoken.id !== ']') {
    4879. 

  4879.                 for (;;) {
    4880. 

  4880.                     if (nexttoken.id === '(end)') {
    4881. 

  4881.                         error("Missing ']' to match '[' from line {a}.",
    4882. 

  4882.                                 nexttoken, t.line);
    4883. 

  4883.                     } else if (nexttoken.id === ']') {
    4884. 

  4884.                         warning("Unexpected comma.", token);
    4885. 

  4885.                         break;
    4886. 

  4886.                     } else if (nexttoken.id === ',') {
    4887. 

  4887.                         error("Unexpected comma.", nexttoken);
    4888. 

  4888.                     }
    4889. 

  4889.                     jsonValue();
    4890. 

  4890.                     if (nexttoken.id !== ',') {
    4891. 

  4891.                         break;
    4892. 

  4892.                     }
    4893. 

  4893.                     advance(',');
    4894. 

  4894.                 }
    4895. 

  4895.             }
    4896. 

  4896.             advance(']');
    4897. 

  4897.         }
    4898. 

  4898. 

  4899.         switch (nexttoken.id) {
    4900. 

  4900.         case '{':
    4901. 

  4901.             jsonObject();
    4902. 

  4902.             break;
    4903. 

  4903.         case '[':
    4904. 

  4904.             jsonArray();
    4905. 

  4905.             break;
    4906. 

  4906.         case 'true':
    4907. 

  4907.         case 'false':
    4908. 

  4908.         case 'null':
    4909. 

  4909.         case '(number)':
    4910. 

  4910.         case '(string)':
    4911. 

  4911.             advance();
    4912. 

  4912.             break;
    4913. 

  4913.         case '-':
    4914. 

  4914.             advance('-');
    4915. 

  4915.             if (token.character !== nexttoken.from) {
    4916. 

  4916.                 warning("Unexpected space after '-'.", token);
    4917. 

  4917.             }
    4918. 

  4918.             adjacent(token, nexttoken);
    4919. 

  4919.             advance('(number)');
    4920. 

  4920.             break;
    4921. 

  4921.         default:
    4922. 

  4922.             error("Expected a JSON value.", nexttoken);
    4923. 

  4923.         }
    4924. 

  4924.     }
    4925. 

  4925. 

  4926. 

  4927. // The actual JSLINT function itself.
    4928. 

  4928. 

  4929.     var itself = function (s, o) {
    4930. 

  4930.         var a, i;
    4931. 

  4931.         JSLINT.errors = [];
    4932. 

  4932.         predefined = Object.create(standard);
    4933. 

  4933.         if (o) {
    4934. 

  4934.             a = o.predef;
    4935. 

  4935.             if (a instanceof Array) {
    4936. 

  4936.                 for (i = 0; i < a.length; i += 1) {
    4937. 

  4937.                     predefined[a[i]] = true;
    4938. 

  4938.                 }
    4939. 

  4939.             }
    4940. 

  4940.             if (o.adsafe) {
    4941. 

  4941.                 o.safe = true;
    4942. 

  4942.             }
    4943. 

  4943.             if (o.safe) {
    4944. 

  4944.                 o.browser = false;
    4945. 

  4945.                 o.css     = false;
    4946. 

  4946.                 o.debug   = false;
    4947. 

  4947.                 o.eqeqeq  = true;
    4948. 

  4948.                 o.evil    = false;
    4949. 

  4949.                 o.forin   = false;
    4950. 

  4950.                 o.nomen   = true;
    4951. 

  4951.                 o.on      = false;
    4952. 

  4952.                 o.rhino   = false;
    4953. 

  4953.                 o.safe    = true;
    4954. 

  4954.                 o.sidebar = false;
    4955. 

  4955.                 o.strict  = true;
    4956. 

  4956.                 o.sub     = false;
    4957. 

  4957.                 o.undef   = true;
    4958. 

  4958.                 o.widget  = false;
    4959. 

  4959.                 predefined.Date = null;
    4960. 

  4960.                 predefined['eval'] = null;
    4961. 

  4961.                 predefined.Function = null;
    4962. 

  4962.                 predefined.Object = null;
    4963. 

  4963.                 predefined.ADSAFE = false;
    4964. 

  4964.                 predefined.lib = false;
    4965. 

  4965.             }
    4966. 

  4966.             option = o;
    4967. 

  4967.         } else {
    4968. 

  4968.             option = {};
    4969. 

  4969.         }
    4970. 

  4970.         option.indent = option.indent || 4;
    4971. 

  4971.         adsafe_id = '';
    4972. 

  4972.         adsafe_may = false;
    4973. 

  4973.         adsafe_went = false;
    4974. 

  4974.         approved = {};
    4975. 

  4975.         if (option.approved) {
    4976. 

  4976.             for (i = 0; i < option.approved.length; i += 1) {
    4977. 

  4977.                 approved[option.approved[i]] = option.approved[i];
    4978. 

  4978.             }
    4979. 

  4979.         } else {
    4980. 

  4980.             approved.test = 'test';
    4981. 

  4981.         }
    4982. 

  4982.         tab = '';
    4983. 

  4983.         for (i = 0; i < option.indent; i += 1) {
    4984. 

  4984.             tab += ' ';
    4985. 

  4985.         }
    4986. 

  4986.         indent = 1;
    4987. 

  4987.         global = Object.create(predefined);
    4988. 

  4988.         scope = global;
    4989. 

  4989.         funct = {
    4990. 

  4990.             '(global)': true,
    4991. 

  4991.             '(name)': '(global)',
    4992. 

  4992.             '(scope)': scope,
    4993. 

  4993.             '(breakage)': 0,
    4994. 

  4994.             '(loopage)': 0
    4995. 

  4995.         };
    4996. 

  4996.         functions = [funct];
    4997. 

  4997.         ids = {};
    4998. 

  4998.         urls = [];
    4999. 

  4999.         src = false;
    5000. 

  5000.         xmode = false;
    5001. 

  5001.         stack = null;
    5002. 

  5002.         member = {};
    5003. 

  5003.         membersOnly = null;
    5004. 

  5004.         implied = {};
    5005. 

  5005.         inblock = false;
    5006. 

  5006.         lookahead = [];
    5007. 

  5007.         jsonmode = false;
    5008. 

  5008.         warnings = 0;
    5009. 

  5009.         lex.init(s);
    5010. 

  5010.         prereg = true;
    5011. 

  5011. 

  5012.         prevtoken = token = nexttoken = syntax['(begin)'];
    5013. 

  5013.         assume();
    5014. 

  5014. 

  5015.         try {
    5016. 

  5016.             advance();
    5017. 

  5017.             if (nexttoken.value.charAt(0) === '<') {
    5018. 

  5018.                 html();
    5019. 

  5019.                 if (option.adsafe && !adsafe_went) {
    5020. 

  5020.                     warning("ADsafe violation: Missing ADSAFE.go.", this);
    5021. 

  5021.                 }
    5022. 

  5022.             } else {
    5023. 

  5023.                 switch (nexttoken.id) {
    5024. 

  5024.                 case '{':
    5025. 

  5025.                 case '[':
    5026. 

  5026.                     option.laxbreak = true;
    5027. 

  5027.                     jsonmode = true;
    5028. 

  5028.                     jsonValue();
    5029. 

  5029.                     break;
    5030. 

  5030.                 case '@':
    5031. 

  5031.                 case '*':
    5032. 

  5032.                 case '#':
    5033. 

  5033.                 case '.':
    5034. 

  5034.                 case ':':
    5035. 

  5035.                     xmode = 'style';
    5036. 

  5036.                     advance();
    5037. 

  5037.                     if (token.id !== '@' || !nexttoken.identifier ||
    5038. 

  5038.                             nexttoken.value !== 'charset') {
    5039. 

  5039.                         error('A css file should begin with @charset "UTF-8";');
    5040. 

  5040.                     }
    5041. 

  5041.                     advance();
    5042. 

  5042.                     if (nexttoken.type !== '(string)' &&
    5043. 

  5043.                             nexttoken.value !== 'UTF-8') {
    5044. 

  5044.                         error('A css file should begin with @charset "UTF-8";');
    5045. 

  5045.                     }
    5046. 

  5046.                     advance();
    5047. 

  5047.                     advance(';');
    5048. 

  5048.                     styles();
    5049. 

  5049.                     break;
    5050. 

  5050. 

  5051.                 default:
    5052. 

  5052.                     if (option.adsafe && option.fragment) {
    5053. 

  5053.                         error("Expected '{a}' and instead saw '{b}'.",
    5054. 

  5054.                             nexttoken, '<div>', nexttoken.value);
    5055. 

  5055.                     }
    5056. 

  5056.                     statements('lib');
    5057. 

  5057.                 }
    5058. 

  5058.             }
    5059. 

  5059.             advance('(end)');
    5060. 

  5060.         } catch (e) {
    5061. 

  5061.             if (e) {
    5062. 

  5062.                 JSLINT.errors.push({
    5063. 

  5063.                     reason    : e.message,
    5064. 

  5064.                     line      : e.line || nexttoken.line,
    5065. 

  5065.                     character : e.character || nexttoken.from
    5066. 

  5066.                 }, null);
    5067. 

  5067.             }
    5068. 

  5068.         }
    5069. 

  5069.         return JSLINT.errors.length === 0;
    5070. 

  5070.     };
    5071. 

  5071. 

  5072.     function is_array(o) {
    5073. 

  5073.         return Object.prototype.toString.apply(o) === '[object Array]';
    5074. 

  5074.     }
    5075. 

  5075. 

  5076.     function to_array(o) {
    5077. 

  5077.         var a = [], k;
    5078. 

  5078.         for (k in o) {
    5079. 

  5079.             if (is_own(o, k)) {
    5080. 

  5080.                 a.push(k);
    5081. 

  5081.             }
    5082. 

  5082.         }
    5083. 

  5083.         return a;
    5084. 

  5084.     }
    5085. 

  5085. 

  5086. // Data summary.
    5087. 

  5087. 

  5088.     itself.data = function () {
    5089. 

  5089. 

  5090.         var data = {functions: []}, fu, globals, implieds = [], f, i, j,
    5091. 

  5091.             members = [], n, unused = [], v;
    5092. 

  5092.         if (itself.errors.length) {
    5093. 

  5093.             data.errors = itself.errors;
    5094. 

  5094.         }
    5095. 

  5095. 

  5096.         if (jsonmode) {
    5097. 

  5097.             data.json = true;
    5098. 

  5098.         }
    5099. 

  5099. 

  5100.         for (n in implied) {
    5101. 

  5101.             if (is_own(implied, n)) {
    5102. 

  5102.                 implieds.push({
    5103. 

  5103.                     name: n,
    5104. 

  5104.                     line: implied[n]
    5105. 

  5105.                 });
    5106. 

  5106.             }
    5107. 

  5107.         }
    5108. 

  5108.         if (implieds.length > 0) {
    5109. 

  5109.             data.implieds = implieds;
    5110. 

  5110.         }
    5111. 

  5111. 

  5112.         if (urls.length > 0) {
    5113. 

  5113.             data.urls = urls;
    5114. 

  5114.         }
    5115. 

  5115. 

  5116.         globals = to_array(scope);
    5117. 

  5117.         if (globals.length > 0) {
    5118. 

  5118.             data.globals = globals;
    5119. 

  5119.         }
    5120. 

  5120. 

  5121.         for (i = 1; i < functions.length; i += 1) {
    5122. 

  5122.             f = functions[i];
    5123. 

  5123.             fu = {};
    5124. 

  5124.             for (j = 0; j < functionicity.length; j += 1) {
    5125. 

  5125.                 fu[functionicity[j]] = [];
    5126. 

  5126.             }
    5127. 

  5127.             for (n in f) {
    5128. 

  5128.                 if (is_own(f, n) && n.charAt(0) !== '(') {
    5129. 

  5129.                     v = f[n];
    5130. 

  5130.                     if (is_array(fu[v])) {
    5131. 

  5131.                         fu[v].push(n);
    5132. 

  5132.                         if (v === 'unused') {
    5133. 

  5133.                             unused.push({
    5134. 

  5134.                                 name: n,
    5135. 

  5135.                                 line: f['(line)'],
    5136. 

  5136.                                 'function': f['(name)']
    5137. 

  5137.                             });
    5138. 

  5138.                         }
    5139. 

  5139.                     }
    5140. 

  5140.                 }
    5141. 

  5141.             }
    5142. 

  5142.             for (j = 0; j < functionicity.length; j += 1) {
    5143. 

  5143.                 if (fu[functionicity[j]].length === 0) {
    5144. 

  5144.                     delete fu[functionicity[j]];
    5145. 

  5145.                 }
    5146. 

  5146.             }
    5147. 

  5147.             fu.name = f['(name)'];
    5148. 

  5148.             fu.param = f['(params)'];
    5149. 

  5149.             fu.line = f['(line)'];
    5150. 

  5150.             fu.last = f['(last)'];
    5151. 

  5151.             data.functions.push(fu);
    5152. 

  5152.         }
    5153. 

  5153. 

  5154.         if (unused.length > 0) {
    5155. 

  5155.             data.unused = unused;
    5156. 

  5156.         }
    5157. 

  5157. 

  5158.         members = [];
    5159. 

  5159.         for (n in member) {
    5160. 

  5160.             if (typeof member[n] === 'number') {
    5161. 

  5161.                 data.member = member;
    5162. 

  5162.                 break;
    5163. 

  5163.             }
    5164. 

  5164.         }
    5165. 

  5165. 

  5166.         return data;
    5167. 

  5167.     };
    5168. 

  5168. 

  5169.     itself.report = function (option) {
    5170. 

  5170.         var data = itself.data();
    5171. 

  5171. 

  5172.         var a = [], c, e, err, f, i, k, l, m = '', n, o = [], s;
    5173. 

  5173. 

  5174.         function detail(h, s) {
    5175. 

  5175.             if (s) {
    5176. 

  5176.                 o.push('<div><i>' + h + '</i> ' +
    5177. 

  5177.                         s.sort().join(', ') + '</div>');
    5178. 

  5178.             }
    5179. 

  5179.         }
    5180. 

  5180. 

  5181. 

  5182.         if (data.errors || data.implieds || data.unused) {
    5183. 

  5183.             err = true;
    5184. 

  5184.             o.push('<div id=errors><i>Error:</i>');
    5185. 

  5185.             if (data.errors) {
    5186. 

  5186.                 for (i = 0; i < data.errors.length; i += 1) {
    5187. 

  5187.                     c = data.errors[i];
    5188. 

  5188.                     if (c) {
    5189. 

  5189.                         e = c.evidence || '';
    5190. 

  5190.                         o.push('<p>Problem' + (isFinite(c.line) ? ' at line ' +
    5191. 

  5191.                                 c.line + ' character ' + c.character : '') +
    5192. 

  5192.                                 ': ' + c.reason.entityify() +
    5193. 

  5193.                                 '</p><p class=evidence>' +
    5194. 

  5194.                                 (e && (e.length > 80 ? e.slice(0, 77) + '...' :
    5195. 

  5195.                                 e).entityify()) + '</p>');
    5196. 

  5196.                     }
    5197. 

  5197.                 }
    5198. 

  5198.             }
    5199. 

  5199. 

  5200.             if (data.implieds) {
    5201. 

  5201.                 s = [];
    5202. 

  5202.                 for (i = 0; i < data.implieds.length; i += 1) {
    5203. 

  5203.                     s[i] = '<code>' + data.implieds[i].name + '</code>&nbsp;<i>' +
    5204. 

  5204.                         data.implieds[i].line + '</i>';
    5205. 

  5205.                 }
    5206. 

  5206.                 o.push('<p><i>Implied global:</i> ' + s.join(', ') + '</p>');
    5207. 

  5207.             }
    5208. 

  5208. 

  5209.             if (data.unused) {
    5210. 

  5210.                 s = [];
    5211. 

  5211.                 for (i = 0; i < data.unused.length; i += 1) {
    5212. 

  5212.                     s[i] = '<code>' + data.unused[i].name + '</code>&nbsp;<i>' +
    5213. 

  5213.                         data.unused[i].line + '</i> <code>' +
    5214. 

  5214.                         data.unused[i]['function'] + '</code>';
    5215. 

  5215.                 }
    5216. 

  5216.                 o.push('<p><i>Unused variable:</i> ' + s.join(', ') + '</p>');
    5217. 

  5217.             }
    5218. 

  5218.             if (data.json) {
    5219. 

  5219.                 o.push('<p>JSON: bad.</p>');
    5220. 

  5220.             }
    5221. 

  5221.             o.push('</div>');
    5222. 

  5222.         }
    5223. 

  5223. 

  5224.         if (!option) {
    5225. 

  5225. 

  5226.             o.push('<br><div id=functions>');
    5227. 

  5227. 

  5228.             if (data.urls) {
    5229. 

  5229.                 detail("URLs<br>", data.urls, '<br>');
    5230. 

  5230.             }
    5231. 

  5231. 

  5232.             if (data.json && !err) {
    5233. 

  5233.                 o.push('<p>JSON: good.</p>');
    5234. 

  5234.             } else if (data.globals) {
    5235. 

  5235.                 o.push('<div><i>Global</i> ' +
    5236. 

  5236.                         data.globals.sort().join(', ') + '</div>');
    5237. 

  5237.             } else {
    5238. 

  5238.                 o.push('<div><i>No new global variables introduced.</i></div>');
    5239. 

  5239.             }
    5240. 

  5240. 

  5241.             for (i = 0; i < data.functions.length; i += 1) {
    5242. 

  5242.                 f = data.functions[i];
    5243. 

  5243. 

  5244.                 o.push('<br><div class=function><i>' + f.line + '-' +
    5245. 

  5245.                         f.last + '</i> ' + (f.name || '') + '(' +
    5246. 

  5246.                         (f.param ? f.param.join(', ') : '') + ')</div>');
    5247. 

  5247.                 detail('<big><b>Unused</b></big>', f.unused);
    5248. 

  5248.                 detail('Closure', f.closure);
    5249. 

  5249.                 detail('Variable', f['var']);
    5250. 

  5250.                 detail('Exception', f.exception);
    5251. 

  5251.                 detail('Outer', f.outer);
    5252. 

  5252.                 detail('Global', f.global);
    5253. 

  5253.                 detail('Label', f.label);
    5254. 

  5254.             }
    5255. 

  5255. 

  5256.             if (data.member) {
    5257. 

  5257.                 a = to_array(data.member);
    5258. 

  5258.                 if (a.length) {
    5259. 

  5259.                     a = a.sort();
    5260. 

  5260.                     m = '<br><pre id=members>/*members ';
    5261. 

  5261.                     l = 10;
    5262. 

  5262.                     for (i = 0; i < a.length; i += 1) {
    5263. 

  5263.                         k = a[i];
    5264. 

  5264.                         n = k.name();
    5265. 

  5265.                         if (l + n.length > 72) {
    5266. 

  5266.                             o.push(m + '<br>');
    5267. 

  5267.                             m = '    ';
    5268. 

  5268.                             l = 1;
    5269. 

  5269.                         }
    5270. 

  5270.                         l += n.length + 2;
    5271. 

  5271.                         if (data.member[k] === 1) {
    5272. 

  5272.                             n = '<i>' + n + '</i>';
    5273. 

  5273.                         }
    5274. 

  5274.                         if (i < a.length - 1) {
    5275. 

  5275.                             n += ', ';
    5276. 

  5276.                         }
    5277. 

  5277.                         m += n;
    5278. 

  5278.                     }
    5279. 

  5279.                     o.push(m + '<br>*/</pre>');
    5280. 

  5280.                 }
    5281. 

  5281.                 o.push('</div>');
    5282. 

  5282.             }
    5283. 

  5283.         }
    5284. 

  5284.         return o.join('');
    5285. 

  5285.     };
    5286. 

  5286. 

  5287.     itself.edition = '2009-08-01';
    5288. 

  5288. 

  5289.     return itself;
    5290. 

  5290. 

  5291. }());
    5292.