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| 1 // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 var EXPECTED_OUTPUT = 'final: 840.\n'; |
| 6 var Module = { |
| 7 arguments: [1], |
| 8 print: function(x) {Module.printBuffer += x + '\n';}, |
| 9 preRun: [function() {Module.printBuffer = ''}], |
| 10 postRun: [function() { |
| 11 assertEquals(EXPECTED_OUTPUT, Module.printBuffer); |
| 12 }], |
| 13 }; |
| 14 // The Module object: Our interface to the outside world. We import |
| 15 // and export values on it, and do the work to get that through |
| 16 // closure compiler if necessary. There are various ways Module can be used: |
| 17 // 1. Not defined. We create it here |
| 18 // 2. A function parameter, function(Module) { ..generated code.. } |
| 19 // 3. pre-run appended it, var Module = {}; ..generated code.. |
| 20 // 4. External script tag defines var Module. |
| 21 // We need to do an eval in order to handle the closure compiler |
| 22 // case, where this code here is minified but Module was defined |
| 23 // elsewhere (e.g. case 4 above). We also need to check if Module |
| 24 // already exists (e.g. case 3 above). |
| 25 // Note that if you want to run closure, and also to use Module |
| 26 // after the generated code, you will need to define var Module = {}; |
| 27 // before the code. Then that object will be used in the code, and you |
| 28 // can continue to use Module afterwards as well. |
| 29 var Module; |
| 30 if (!Module) Module = (typeof Module !== 'undefined' ? Module : null) || {}; |
| 31 |
| 32 // Sometimes an existing Module object exists with properties |
| 33 // meant to overwrite the default module functionality. Here |
| 34 // we collect those properties and reapply _after_ we configure |
| 35 // the current environment's defaults to avoid having to be so |
| 36 // defensive during initialization. |
| 37 var moduleOverrides = {}; |
| 38 for (var key in Module) { |
| 39 if (Module.hasOwnProperty(key)) { |
| 40 moduleOverrides[key] = Module[key]; |
| 41 } |
| 42 } |
| 43 |
| 44 // The environment setup code below is customized to use Module. |
| 45 // *** Environment setup code *** |
| 46 var ENVIRONMENT_IS_NODE = typeof process === 'object' && typeof require === 'fun
ction'; |
| 47 var ENVIRONMENT_IS_WEB = typeof window === 'object'; |
| 48 var ENVIRONMENT_IS_WORKER = typeof importScripts === 'function'; |
| 49 var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIR
ONMENT_IS_WORKER; |
| 50 |
| 51 if (ENVIRONMENT_IS_NODE) { |
| 52 // Expose functionality in the same simple way that the shells work |
| 53 // Note that we pollute the global namespace here, otherwise we break in node |
| 54 if (!Module['print']) Module['print'] = function print(x) { |
| 55 process['stdout'].write(x + '\n'); |
| 56 }; |
| 57 if (!Module['printErr']) Module['printErr'] = function printErr(x) { |
| 58 process['stderr'].write(x + '\n'); |
| 59 }; |
| 60 |
| 61 var nodeFS = require('fs'); |
| 62 var nodePath = require('path'); |
| 63 |
| 64 Module['read'] = function read(filename, binary) { |
| 65 filename = nodePath['normalize'](filename); |
| 66 var ret = nodeFS['readFileSync'](filename); |
| 67 // The path is absolute if the normalized version is the same as the resolve
d. |
| 68 if (!ret && filename != nodePath['resolve'](filename)) { |
| 69 filename = path.join(__dirname, '..', 'src', filename); |
| 70 ret = nodeFS['readFileSync'](filename); |
| 71 } |
| 72 if (ret && !binary) ret = ret.toString(); |
| 73 return ret; |
| 74 }; |
| 75 |
| 76 Module['readBinary'] = function readBinary(filename) { return Module['read'](f
ilename, true) }; |
| 77 |
| 78 Module['load'] = function load(f) { |
| 79 globalEval(read(f)); |
| 80 }; |
| 81 |
| 82 Module['arguments'] = process['argv'].slice(2); |
| 83 |
| 84 module['exports'] = Module; |
| 85 } |
| 86 else if (ENVIRONMENT_IS_SHELL) { |
| 87 if (!Module['print']) Module['print'] = print; |
| 88 if (typeof printErr != 'undefined') Module['printErr'] = printErr; // not pres
ent in v8 or older sm |
| 89 |
| 90 if (typeof read != 'undefined') { |
| 91 Module['read'] = read; |
| 92 } else { |
| 93 Module['read'] = function read() { throw 'no read() available (jsc?)' }; |
| 94 } |
| 95 |
| 96 Module['readBinary'] = function readBinary(f) { |
| 97 return read(f, 'binary'); |
| 98 }; |
| 99 |
| 100 if (typeof scriptArgs != 'undefined') { |
| 101 Module['arguments'] = scriptArgs; |
| 102 } else if (typeof arguments != 'undefined') { |
| 103 Module['arguments'] = arguments; |
| 104 } |
| 105 |
| 106 this['Module'] = Module; |
| 107 |
| 108 eval("if (typeof gc === 'function' && gc.toString().indexOf('[native code]') >
0) var gc = undefined"); // wipe out the SpiderMonkey shell 'gc' function, whic
h can confuse closure (uses it as a minified name, and it is then initted to a n
on-falsey value unexpectedly) |
| 109 } |
| 110 else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) { |
| 111 Module['read'] = function read(url) { |
| 112 var xhr = new XMLHttpRequest(); |
| 113 xhr.open('GET', url, false); |
| 114 xhr.send(null); |
| 115 return xhr.responseText; |
| 116 }; |
| 117 |
| 118 if (typeof arguments != 'undefined') { |
| 119 Module['arguments'] = arguments; |
| 120 } |
| 121 |
| 122 if (typeof console !== 'undefined') { |
| 123 if (!Module['print']) Module['print'] = function print(x) { |
| 124 console.log(x); |
| 125 }; |
| 126 if (!Module['printErr']) Module['printErr'] = function printErr(x) { |
| 127 console.log(x); |
| 128 }; |
| 129 } else { |
| 130 // Probably a worker, and without console.log. We can do very little here... |
| 131 var TRY_USE_DUMP = false; |
| 132 if (!Module['print']) Module['print'] = (TRY_USE_DUMP && (typeof(dump) !== "
undefined") ? (function(x) { |
| 133 dump(x); |
| 134 }) : (function(x) { |
| 135 // self.postMessage(x); // enable this if you want stdout to be sent as me
ssages |
| 136 })); |
| 137 } |
| 138 |
| 139 if (ENVIRONMENT_IS_WEB) { |
| 140 window['Module'] = Module; |
| 141 } else { |
| 142 Module['load'] = importScripts; |
| 143 } |
| 144 } |
| 145 else { |
| 146 // Unreachable because SHELL is dependant on the others |
| 147 throw 'Unknown runtime environment. Where are we?'; |
| 148 } |
| 149 |
| 150 function globalEval(x) { |
| 151 eval.call(null, x); |
| 152 } |
| 153 if (!Module['load'] == 'undefined' && Module['read']) { |
| 154 Module['load'] = function load(f) { |
| 155 globalEval(Module['read'](f)); |
| 156 }; |
| 157 } |
| 158 if (!Module['print']) { |
| 159 Module['print'] = function(){}; |
| 160 } |
| 161 if (!Module['printErr']) { |
| 162 Module['printErr'] = Module['print']; |
| 163 } |
| 164 if (!Module['arguments']) { |
| 165 Module['arguments'] = []; |
| 166 } |
| 167 // *** Environment setup code *** |
| 168 |
| 169 // Closure helpers |
| 170 Module.print = Module['print']; |
| 171 Module.printErr = Module['printErr']; |
| 172 |
| 173 // Callbacks |
| 174 Module['preRun'] = []; |
| 175 Module['postRun'] = []; |
| 176 |
| 177 // Merge back in the overrides |
| 178 for (var key in moduleOverrides) { |
| 179 if (moduleOverrides.hasOwnProperty(key)) { |
| 180 Module[key] = moduleOverrides[key]; |
| 181 } |
| 182 } |
| 183 |
| 184 |
| 185 |
| 186 // === Auto-generated preamble library stuff === |
| 187 |
| 188 //======================================== |
| 189 // Runtime code shared with compiler |
| 190 //======================================== |
| 191 |
| 192 var Runtime = { |
| 193 stackSave: function () { |
| 194 return STACKTOP; |
| 195 }, |
| 196 stackRestore: function (stackTop) { |
| 197 STACKTOP = stackTop; |
| 198 }, |
| 199 forceAlign: function (target, quantum) { |
| 200 quantum = quantum || 4; |
| 201 if (quantum == 1) return target; |
| 202 if (isNumber(target) && isNumber(quantum)) { |
| 203 return Math.ceil(target/quantum)*quantum; |
| 204 } else if (isNumber(quantum) && isPowerOfTwo(quantum)) { |
| 205 return '(((' +target + ')+' + (quantum-1) + ')&' + -quantum + ')'; |
| 206 } |
| 207 return 'Math.ceil((' + target + ')/' + quantum + ')*' + quantum; |
| 208 }, |
| 209 isNumberType: function (type) { |
| 210 return type in Runtime.INT_TYPES || type in Runtime.FLOAT_TYPES; |
| 211 }, |
| 212 isPointerType: function isPointerType(type) { |
| 213 return type[type.length-1] == '*'; |
| 214 }, |
| 215 isStructType: function isStructType(type) { |
| 216 if (isPointerType(type)) return false; |
| 217 if (isArrayType(type)) return true; |
| 218 if (/<?\{ ?[^}]* ?\}>?/.test(type)) return true; // { i32, i8 } etc. - anonymo
us struct types |
| 219 // See comment in isStructPointerType() |
| 220 return type[0] == '%'; |
| 221 }, |
| 222 INT_TYPES: {"i1":0,"i8":0,"i16":0,"i32":0,"i64":0}, |
| 223 FLOAT_TYPES: {"float":0,"double":0}, |
| 224 or64: function (x, y) { |
| 225 var l = (x | 0) | (y | 0); |
| 226 var h = (Math.round(x / 4294967296) | Math.round(y / 4294967296)) * 42949672
96; |
| 227 return l + h; |
| 228 }, |
| 229 and64: function (x, y) { |
| 230 var l = (x | 0) & (y | 0); |
| 231 var h = (Math.round(x / 4294967296) & Math.round(y / 4294967296)) * 42949672
96; |
| 232 return l + h; |
| 233 }, |
| 234 xor64: function (x, y) { |
| 235 var l = (x | 0) ^ (y | 0); |
| 236 var h = (Math.round(x / 4294967296) ^ Math.round(y / 4294967296)) * 42949672
96; |
| 237 return l + h; |
| 238 }, |
| 239 getNativeTypeSize: function (type) { |
| 240 switch (type) { |
| 241 case 'i1': case 'i8': return 1; |
| 242 case 'i16': return 2; |
| 243 case 'i32': return 4; |
| 244 case 'i64': return 8; |
| 245 case 'float': return 4; |
| 246 case 'double': return 8; |
| 247 default: { |
| 248 if (type[type.length-1] === '*') { |
| 249 return Runtime.QUANTUM_SIZE; // A pointer |
| 250 } else if (type[0] === 'i') { |
| 251 var bits = parseInt(type.substr(1)); |
| 252 assert(bits % 8 === 0); |
| 253 return bits/8; |
| 254 } else { |
| 255 return 0; |
| 256 } |
| 257 } |
| 258 } |
| 259 }, |
| 260 getNativeFieldSize: function (type) { |
| 261 return Math.max(Runtime.getNativeTypeSize(type), Runtime.QUANTUM_SIZE); |
| 262 }, |
| 263 dedup: function dedup(items, ident) { |
| 264 var seen = {}; |
| 265 if (ident) { |
| 266 return items.filter(function(item) { |
| 267 if (seen[item[ident]]) return false; |
| 268 seen[item[ident]] = true; |
| 269 return true; |
| 270 }); |
| 271 } else { |
| 272 return items.filter(function(item) { |
| 273 if (seen[item]) return false; |
| 274 seen[item] = true; |
| 275 return true; |
| 276 }); |
| 277 } |
| 278 }, |
| 279 set: function set() { |
| 280 var args = typeof arguments[0] === 'object' ? arguments[0] : arguments; |
| 281 var ret = {}; |
| 282 for (var i = 0; i < args.length; i++) { |
| 283 ret[args[i]] = 0; |
| 284 } |
| 285 return ret; |
| 286 }, |
| 287 STACK_ALIGN: 8, |
| 288 getAlignSize: function (type, size, vararg) { |
| 289 // we align i64s and doubles on 64-bit boundaries, unlike x86 |
| 290 if (!vararg && (type == 'i64' || type == 'double')) return 8; |
| 291 if (!type) return Math.min(size, 8); // align structures internally to 64 bi
ts |
| 292 return Math.min(size || (type ? Runtime.getNativeFieldSize(type) : 0), Runti
me.QUANTUM_SIZE); |
| 293 }, |
| 294 calculateStructAlignment: function calculateStructAlignment(type) { |
| 295 type.flatSize = 0; |
| 296 type.alignSize = 0; |
| 297 var diffs = []; |
| 298 var prev = -1; |
| 299 var index = 0; |
| 300 type.flatIndexes = type.fields.map(function(field) { |
| 301 index++; |
| 302 var size, alignSize; |
| 303 if (Runtime.isNumberType(field) || Runtime.isPointerType(field)) { |
| 304 size = Runtime.getNativeTypeSize(field); // pack char; char; in structs,
also char[X]s. |
| 305 alignSize = Runtime.getAlignSize(field, size); |
| 306 } else if (Runtime.isStructType(field)) { |
| 307 if (field[1] === '0') { |
| 308 // this is [0 x something]. When inside another structure like here, i
t must be at the end, |
| 309 // and it adds no size |
| 310 // XXX this happens in java-nbody for example... assert(index === type
.fields.length, 'zero-length in the middle!'); |
| 311 size = 0; |
| 312 if (Types.types[field]) { |
| 313 alignSize = Runtime.getAlignSize(null, Types.types[field].alignSize)
; |
| 314 } else { |
| 315 alignSize = type.alignSize || QUANTUM_SIZE; |
| 316 } |
| 317 } else { |
| 318 size = Types.types[field].flatSize; |
| 319 alignSize = Runtime.getAlignSize(null, Types.types[field].alignSize); |
| 320 } |
| 321 } else if (field[0] == 'b') { |
| 322 // bN, large number field, like a [N x i8] |
| 323 size = field.substr(1)|0; |
| 324 alignSize = 1; |
| 325 } else if (field[0] === '<') { |
| 326 // vector type |
| 327 size = alignSize = Types.types[field].flatSize; // fully aligned |
| 328 } else if (field[0] === 'i') { |
| 329 // illegal integer field, that could not be legalized because it is an i
nternal structure field |
| 330 // it is ok to have such fields, if we just use them as markers of field
size and nothing more complex |
| 331 size = alignSize = parseInt(field.substr(1))/8; |
| 332 assert(size % 1 === 0, 'cannot handle non-byte-size field ' + field); |
| 333 } else { |
| 334 assert(false, 'invalid type for calculateStructAlignment'); |
| 335 } |
| 336 if (type.packed) alignSize = 1; |
| 337 type.alignSize = Math.max(type.alignSize, alignSize); |
| 338 var curr = Runtime.alignMemory(type.flatSize, alignSize); // if necessary,
place this on aligned memory |
| 339 type.flatSize = curr + size; |
| 340 if (prev >= 0) { |
| 341 diffs.push(curr-prev); |
| 342 } |
| 343 prev = curr; |
| 344 return curr; |
| 345 }); |
| 346 if (type.name_ && type.name_[0] === '[') { |
| 347 // arrays have 2 elements, so we get the proper difference. then we scale
here. that way we avoid |
| 348 // allocating a potentially huge array for [999999 x i8] etc. |
| 349 type.flatSize = parseInt(type.name_.substr(1))*type.flatSize/2; |
| 350 } |
| 351 type.flatSize = Runtime.alignMemory(type.flatSize, type.alignSize); |
| 352 if (diffs.length == 0) { |
| 353 type.flatFactor = type.flatSize; |
| 354 } else if (Runtime.dedup(diffs).length == 1) { |
| 355 type.flatFactor = diffs[0]; |
| 356 } |
| 357 type.needsFlattening = (type.flatFactor != 1); |
| 358 return type.flatIndexes; |
| 359 }, |
| 360 generateStructInfo: function (struct, typeName, offset) { |
| 361 var type, alignment; |
| 362 if (typeName) { |
| 363 offset = offset || 0; |
| 364 type = (typeof Types === 'undefined' ? Runtime.typeInfo : Types.types)[typ
eName]; |
| 365 if (!type) return null; |
| 366 if (type.fields.length != struct.length) { |
| 367 printErr('Number of named fields must match the type for ' + typeName +
': possibly duplicate struct names. Cannot return structInfo'); |
| 368 return null; |
| 369 } |
| 370 alignment = type.flatIndexes; |
| 371 } else { |
| 372 var type = { fields: struct.map(function(item) { return item[0] }) }; |
| 373 alignment = Runtime.calculateStructAlignment(type); |
| 374 } |
| 375 var ret = { |
| 376 __size__: type.flatSize |
| 377 }; |
| 378 if (typeName) { |
| 379 struct.forEach(function(item, i) { |
| 380 if (typeof item === 'string') { |
| 381 ret[item] = alignment[i] + offset; |
| 382 } else { |
| 383 // embedded struct |
| 384 var key; |
| 385 for (var k in item) key = k; |
| 386 ret[key] = Runtime.generateStructInfo(item[key], type.fields[i], align
ment[i]); |
| 387 } |
| 388 }); |
| 389 } else { |
| 390 struct.forEach(function(item, i) { |
| 391 ret[item[1]] = alignment[i]; |
| 392 }); |
| 393 } |
| 394 return ret; |
| 395 }, |
| 396 dynCall: function (sig, ptr, args) { |
| 397 if (args && args.length) { |
| 398 if (!args.splice) args = Array.prototype.slice.call(args); |
| 399 args.splice(0, 0, ptr); |
| 400 return Module['dynCall_' + sig].apply(null, args); |
| 401 } else { |
| 402 return Module['dynCall_' + sig].call(null, ptr); |
| 403 } |
| 404 }, |
| 405 functionPointers: [], |
| 406 addFunction: function (func) { |
| 407 for (var i = 0; i < Runtime.functionPointers.length; i++) { |
| 408 if (!Runtime.functionPointers[i]) { |
| 409 Runtime.functionPointers[i] = func; |
| 410 return 2*(1 + i); |
| 411 } |
| 412 } |
| 413 throw 'Finished up all reserved function pointers. Use a higher value for RE
SERVED_FUNCTION_POINTERS.'; |
| 414 }, |
| 415 removeFunction: function (index) { |
| 416 Runtime.functionPointers[(index-2)/2] = null; |
| 417 }, |
| 418 getAsmConst: function (code, numArgs) { |
| 419 // code is a constant string on the heap, so we can cache these |
| 420 if (!Runtime.asmConstCache) Runtime.asmConstCache = {}; |
| 421 var func = Runtime.asmConstCache[code]; |
| 422 if (func) return func; |
| 423 var args = []; |
| 424 for (var i = 0; i < numArgs; i++) { |
| 425 args.push(String.fromCharCode(36) + i); // $0, $1 etc |
| 426 } |
| 427 var source = Pointer_stringify(code); |
| 428 if (source[0] === '"') { |
| 429 // tolerate EM_ASM("..code..") even though EM_ASM(..code..) is correct |
| 430 if (source.indexOf('"', 1) === source.length-1) { |
| 431 source = source.substr(1, source.length-2); |
| 432 } else { |
| 433 // something invalid happened, e.g. EM_ASM("..code($0)..", input) |
| 434 abort('invalid EM_ASM input |' + source + '|. Please use EM_ASM(..code..
) (no quotes) or EM_ASM({ ..code($0).. }, input) (to input values)'); |
| 435 } |
| 436 } |
| 437 try { |
| 438 var evalled = eval('(function(' + args.join(',') + '){ ' + source + ' })')
; // new Function does not allow upvars in node |
| 439 } catch(e) { |
| 440 Module.printErr('error in executing inline EM_ASM code: ' + e + ' on: \n\n
' + source + '\n\nwith args |' + args + '| (make sure to use the right one out o
f EM_ASM, EM_ASM_ARGS, etc.)'); |
| 441 throw e; |
| 442 } |
| 443 return Runtime.asmConstCache[code] = evalled; |
| 444 }, |
| 445 warnOnce: function (text) { |
| 446 if (!Runtime.warnOnce.shown) Runtime.warnOnce.shown = {}; |
| 447 if (!Runtime.warnOnce.shown[text]) { |
| 448 Runtime.warnOnce.shown[text] = 1; |
| 449 Module.printErr(text); |
| 450 } |
| 451 }, |
| 452 funcWrappers: {}, |
| 453 getFuncWrapper: function (func, sig) { |
| 454 assert(sig); |
| 455 if (!Runtime.funcWrappers[func]) { |
| 456 Runtime.funcWrappers[func] = function dynCall_wrapper() { |
| 457 return Runtime.dynCall(sig, func, arguments); |
| 458 }; |
| 459 } |
| 460 return Runtime.funcWrappers[func]; |
| 461 }, |
| 462 UTF8Processor: function () { |
| 463 var buffer = []; |
| 464 var needed = 0; |
| 465 this.processCChar = function (code) { |
| 466 code = code & 0xFF; |
| 467 |
| 468 if (buffer.length == 0) { |
| 469 if ((code & 0x80) == 0x00) { // 0xxxxxxx |
| 470 return String.fromCharCode(code); |
| 471 } |
| 472 buffer.push(code); |
| 473 if ((code & 0xE0) == 0xC0) { // 110xxxxx |
| 474 needed = 1; |
| 475 } else if ((code & 0xF0) == 0xE0) { // 1110xxxx |
| 476 needed = 2; |
| 477 } else { // 11110xxx |
| 478 needed = 3; |
| 479 } |
| 480 return ''; |
| 481 } |
| 482 |
| 483 if (needed) { |
| 484 buffer.push(code); |
| 485 needed--; |
| 486 if (needed > 0) return ''; |
| 487 } |
| 488 |
| 489 var c1 = buffer[0]; |
| 490 var c2 = buffer[1]; |
| 491 var c3 = buffer[2]; |
| 492 var c4 = buffer[3]; |
| 493 var ret; |
| 494 if (buffer.length == 2) { |
| 495 ret = String.fromCharCode(((c1 & 0x1F) << 6) | (c2 & 0x3F)); |
| 496 } else if (buffer.length == 3) { |
| 497 ret = String.fromCharCode(((c1 & 0x0F) << 12) | ((c2 & 0x3F) << 6) | (c
3 & 0x3F)); |
| 498 } else { |
| 499 // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae |
| 500 var codePoint = ((c1 & 0x07) << 18) | ((c2 & 0x3F) << 12) | |
| 501 ((c3 & 0x3F) << 6) | (c4 & 0x3F); |
| 502 ret = String.fromCharCode( |
| 503 Math.floor((codePoint - 0x10000) / 0x400) + 0xD800, |
| 504 (codePoint - 0x10000) % 0x400 + 0xDC00); |
| 505 } |
| 506 buffer.length = 0; |
| 507 return ret; |
| 508 } |
| 509 this.processJSString = function processJSString(string) { |
| 510 /* TODO: use TextEncoder when present, |
| 511 var encoder = new TextEncoder(); |
| 512 encoder['encoding'] = "utf-8"; |
| 513 var utf8Array = encoder['encode'](aMsg.data); |
| 514 */ |
| 515 string = unescape(encodeURIComponent(string)); |
| 516 var ret = []; |
| 517 for (var i = 0; i < string.length; i++) { |
| 518 ret.push(string.charCodeAt(i)); |
| 519 } |
| 520 return ret; |
| 521 } |
| 522 }, |
| 523 getCompilerSetting: function (name) { |
| 524 throw 'You must build with -s RETAIN_COMPILER_SETTINGS=1 for Runtime.getComp
ilerSetting or emscripten_get_compiler_setting to work'; |
| 525 }, |
| 526 stackAlloc: function (size) { var ret = STACKTOP;STACKTOP = (STACKTOP + size)|
0;STACKTOP = (((STACKTOP)+7)&-8); return ret; }, |
| 527 staticAlloc: function (size) { var ret = STATICTOP;STATICTOP = (STATICTOP + si
ze)|0;STATICTOP = (((STATICTOP)+7)&-8); return ret; }, |
| 528 dynamicAlloc: function (size) { var ret = DYNAMICTOP;DYNAMICTOP = (DYNAMICTOP
+ size)|0;DYNAMICTOP = (((DYNAMICTOP)+7)&-8); if (DYNAMICTOP >= TOTAL_MEMORY) en
largeMemory();; return ret; }, |
| 529 alignMemory: function (size,quantum) { var ret = size = Math.ceil((size)/(quan
tum ? quantum : 8))*(quantum ? quantum : 8); return ret; }, |
| 530 makeBigInt: function (low,high,unsigned) { var ret = (unsigned ? ((+((low>>>0)
))+((+((high>>>0)))*(+4294967296))) : ((+((low>>>0)))+((+((high|0)))*(+429496729
6)))); return ret; }, |
| 531 GLOBAL_BASE: 8, |
| 532 QUANTUM_SIZE: 4, |
| 533 __dummy__: 0 |
| 534 } |
| 535 |
| 536 |
| 537 Module['Runtime'] = Runtime; |
| 538 |
| 539 |
| 540 |
| 541 |
| 542 |
| 543 |
| 544 |
| 545 |
| 546 |
| 547 //======================================== |
| 548 // Runtime essentials |
| 549 //======================================== |
| 550 |
| 551 var __THREW__ = 0; // Used in checking for thrown exceptions. |
| 552 |
| 553 var ABORT = false; // whether we are quitting the application. no code should ru
n after this. set in exit() and abort() |
| 554 var EXITSTATUS = 0; |
| 555 |
| 556 var undef = 0; |
| 557 // tempInt is used for 32-bit signed values or smaller. tempBigInt is used |
| 558 // for 32-bit unsigned values or more than 32 bits. TODO: audit all uses of temp
Int |
| 559 var tempValue, tempInt, tempBigInt, tempInt2, tempBigInt2, tempPair, tempBigIntI
, tempBigIntR, tempBigIntS, tempBigIntP, tempBigIntD, tempDouble, tempFloat; |
| 560 var tempI64, tempI64b; |
| 561 var tempRet0, tempRet1, tempRet2, tempRet3, tempRet4, tempRet5, tempRet6, tempRe
t7, tempRet8, tempRet9; |
| 562 |
| 563 function assert(condition, text) { |
| 564 if (!condition) { |
| 565 abort('Assertion failed: ' + text); |
| 566 } |
| 567 } |
| 568 |
| 569 var globalScope = this; |
| 570 |
| 571 // C calling interface. A convenient way to call C functions (in C files, or |
| 572 // defined with extern "C"). |
| 573 // |
| 574 // Note: LLVM optimizations can inline and remove functions, after which you wil
l not be |
| 575 // able to call them. Closure can also do so. To avoid that, add your func
tion to |
| 576 // the exports using something like |
| 577 // |
| 578 // -s EXPORTED_FUNCTIONS='["_main", "_myfunc"]' |
| 579 // |
| 580 // @param ident The name of the C function (note that C++ functions will be
name-mangled - use extern "C") |
| 581 // @param returnType The return type of the function, one of the JS types 'numbe
r', 'string' or 'array' (use 'number' for any C pointer, and |
| 582 // 'array' for JavaScript arrays and typed arrays; note that a
rrays are 8-bit). |
| 583 // @param argTypes An array of the types of arguments for the function (if the
re are no arguments, this can be ommitted). Types are as in returnType, |
| 584 // except that 'array' is not possible (there is no way for us
to know the length of the array) |
| 585 // @param args An array of the arguments to the function, as native JS val
ues (as in returnType) |
| 586 // Note that string arguments will be stored on the stack (the
JS string will become a C string on the stack). |
| 587 // @return The return value, as a native JS value (as in returnType) |
| 588 function ccall(ident, returnType, argTypes, args) { |
| 589 return ccallFunc(getCFunc(ident), returnType, argTypes, args); |
| 590 } |
| 591 Module["ccall"] = ccall; |
| 592 |
| 593 // Returns the C function with a specified identifier (for C++, you need to do m
anual name mangling) |
| 594 function getCFunc(ident) { |
| 595 try { |
| 596 var func = Module['_' + ident]; // closure exported function |
| 597 if (!func) func = eval('_' + ident); // explicit lookup |
| 598 } catch(e) { |
| 599 } |
| 600 assert(func, 'Cannot call unknown function ' + ident + ' (perhaps LLVM optimiz
ations or closure removed it?)'); |
| 601 return func; |
| 602 } |
| 603 |
| 604 // Internal function that does a C call using a function, not an identifier |
| 605 function ccallFunc(func, returnType, argTypes, args) { |
| 606 var stack = 0; |
| 607 function toC(value, type) { |
| 608 if (type == 'string') { |
| 609 if (value === null || value === undefined || value === 0) return 0; // nul
l string |
| 610 value = intArrayFromString(value); |
| 611 type = 'array'; |
| 612 } |
| 613 if (type == 'array') { |
| 614 if (!stack) stack = Runtime.stackSave(); |
| 615 var ret = Runtime.stackAlloc(value.length); |
| 616 writeArrayToMemory(value, ret); |
| 617 return ret; |
| 618 } |
| 619 return value; |
| 620 } |
| 621 function fromC(value, type) { |
| 622 if (type == 'string') { |
| 623 return Pointer_stringify(value); |
| 624 } |
| 625 assert(type != 'array'); |
| 626 return value; |
| 627 } |
| 628 var i = 0; |
| 629 var cArgs = args ? args.map(function(arg) { |
| 630 return toC(arg, argTypes[i++]); |
| 631 }) : []; |
| 632 var ret = fromC(func.apply(null, cArgs), returnType); |
| 633 if (stack) Runtime.stackRestore(stack); |
| 634 return ret; |
| 635 } |
| 636 |
| 637 // Returns a native JS wrapper for a C function. This is similar to ccall, but |
| 638 // returns a function you can call repeatedly in a normal way. For example: |
| 639 // |
| 640 // var my_function = cwrap('my_c_function', 'number', ['number', 'number']); |
| 641 // alert(my_function(5, 22)); |
| 642 // alert(my_function(99, 12)); |
| 643 // |
| 644 function cwrap(ident, returnType, argTypes) { |
| 645 var func = getCFunc(ident); |
| 646 return function() { |
| 647 return ccallFunc(func, returnType, argTypes, Array.prototype.slice.call(argu
ments)); |
| 648 } |
| 649 } |
| 650 Module["cwrap"] = cwrap; |
| 651 |
| 652 // Sets a value in memory in a dynamic way at run-time. Uses the |
| 653 // type data. This is the same as makeSetValue, except that |
| 654 // makeSetValue is done at compile-time and generates the needed |
| 655 // code then, whereas this function picks the right code at |
| 656 // run-time. |
| 657 // Note that setValue and getValue only do *aligned* writes and reads! |
| 658 // Note that ccall uses JS types as for defining types, while setValue and |
| 659 // getValue need LLVM types ('i8', 'i32') - this is a lower-level operation |
| 660 function setValue(ptr, value, type, noSafe) { |
| 661 type = type || 'i8'; |
| 662 if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit |
| 663 switch(type) { |
| 664 case 'i1': HEAP8[(ptr)]=value; break; |
| 665 case 'i8': HEAP8[(ptr)]=value; break; |
| 666 case 'i16': HEAP16[((ptr)>>1)]=value; break; |
| 667 case 'i32': HEAP32[((ptr)>>2)]=value; break; |
| 668 case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math_abs(tempDouble
))) >= (+1) ? (tempDouble > (+0) ? ((Math_min((+(Math_floor((tempDouble)/(+42949
67296)))), (+4294967295)))|0)>>>0 : (~~((+(Math_ceil((tempDouble - +(((~~(tempDo
uble)))>>>0))/(+4294967296))))))>>>0) : 0)],HEAP32[((ptr)>>2)]=tempI64[0],HEAP32
[(((ptr)+(4))>>2)]=tempI64[1]); break; |
| 669 case 'float': HEAPF32[((ptr)>>2)]=value; break; |
| 670 case 'double': HEAPF64[((ptr)>>3)]=value; break; |
| 671 default: abort('invalid type for setValue: ' + type); |
| 672 } |
| 673 } |
| 674 Module['setValue'] = setValue; |
| 675 |
| 676 // Parallel to setValue. |
| 677 function getValue(ptr, type, noSafe) { |
| 678 type = type || 'i8'; |
| 679 if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit |
| 680 switch(type) { |
| 681 case 'i1': return HEAP8[(ptr)]; |
| 682 case 'i8': return HEAP8[(ptr)]; |
| 683 case 'i16': return HEAP16[((ptr)>>1)]; |
| 684 case 'i32': return HEAP32[((ptr)>>2)]; |
| 685 case 'i64': return HEAP32[((ptr)>>2)]; |
| 686 case 'float': return HEAPF32[((ptr)>>2)]; |
| 687 case 'double': return HEAPF64[((ptr)>>3)]; |
| 688 default: abort('invalid type for setValue: ' + type); |
| 689 } |
| 690 return null; |
| 691 } |
| 692 Module['getValue'] = getValue; |
| 693 |
| 694 var ALLOC_NORMAL = 0; // Tries to use _malloc() |
| 695 var ALLOC_STACK = 1; // Lives for the duration of the current function call |
| 696 var ALLOC_STATIC = 2; // Cannot be freed |
| 697 var ALLOC_DYNAMIC = 3; // Cannot be freed except through sbrk |
| 698 var ALLOC_NONE = 4; // Do not allocate |
| 699 Module['ALLOC_NORMAL'] = ALLOC_NORMAL; |
| 700 Module['ALLOC_STACK'] = ALLOC_STACK; |
| 701 Module['ALLOC_STATIC'] = ALLOC_STATIC; |
| 702 Module['ALLOC_DYNAMIC'] = ALLOC_DYNAMIC; |
| 703 Module['ALLOC_NONE'] = ALLOC_NONE; |
| 704 |
| 705 // allocate(): This is for internal use. You can use it yourself as well, but th
e interface |
| 706 // is a little tricky (see docs right below). The reason is that it
is optimized |
| 707 // for multiple syntaxes to save space in generated code. So you sho
uld |
| 708 // normally not use allocate(), and instead allocate memory using _m
alloc(), |
| 709 // initialize it with setValue(), and so forth. |
| 710 // @slab: An array of data, or a number. If a number, then the size of the block
to allocate, |
| 711 // in *bytes* (note that this is sometimes confusing: the next parameter
does not |
| 712 // affect this!) |
| 713 // @types: Either an array of types, one for each byte (or 0 if no type at that
position), |
| 714 // or a single type which is used for the entire block. This only matter
s if there |
| 715 // is initial data - if @slab is a number, then this does not matter at
all and is |
| 716 // ignored. |
| 717 // @allocator: How to allocate memory, see ALLOC_* |
| 718 function allocate(slab, types, allocator, ptr) { |
| 719 var zeroinit, size; |
| 720 if (typeof slab === 'number') { |
| 721 zeroinit = true; |
| 722 size = slab; |
| 723 } else { |
| 724 zeroinit = false; |
| 725 size = slab.length; |
| 726 } |
| 727 |
| 728 var singleType = typeof types === 'string' ? types : null; |
| 729 |
| 730 var ret; |
| 731 if (allocator == ALLOC_NONE) { |
| 732 ret = ptr; |
| 733 } else { |
| 734 ret = [_malloc, Runtime.stackAlloc, Runtime.staticAlloc, Runtime.dynamicAllo
c][allocator === undefined ? ALLOC_STATIC : allocator](Math.max(size, singleType
? 1 : types.length)); |
| 735 } |
| 736 |
| 737 if (zeroinit) { |
| 738 var ptr = ret, stop; |
| 739 assert((ret & 3) == 0); |
| 740 stop = ret + (size & ~3); |
| 741 for (; ptr < stop; ptr += 4) { |
| 742 HEAP32[((ptr)>>2)]=0; |
| 743 } |
| 744 stop = ret + size; |
| 745 while (ptr < stop) { |
| 746 HEAP8[((ptr++)|0)]=0; |
| 747 } |
| 748 return ret; |
| 749 } |
| 750 |
| 751 if (singleType === 'i8') { |
| 752 if (slab.subarray || slab.slice) { |
| 753 HEAPU8.set(slab, ret); |
| 754 } else { |
| 755 HEAPU8.set(new Uint8Array(slab), ret); |
| 756 } |
| 757 return ret; |
| 758 } |
| 759 |
| 760 var i = 0, type, typeSize, previousType; |
| 761 while (i < size) { |
| 762 var curr = slab[i]; |
| 763 |
| 764 if (typeof curr === 'function') { |
| 765 curr = Runtime.getFunctionIndex(curr); |
| 766 } |
| 767 |
| 768 type = singleType || types[i]; |
| 769 if (type === 0) { |
| 770 i++; |
| 771 continue; |
| 772 } |
| 773 |
| 774 if (type == 'i64') type = 'i32'; // special case: we have one i32 here, and
one i32 later |
| 775 |
| 776 setValue(ret+i, curr, type); |
| 777 |
| 778 // no need to look up size unless type changes, so cache it |
| 779 if (previousType !== type) { |
| 780 typeSize = Runtime.getNativeTypeSize(type); |
| 781 previousType = type; |
| 782 } |
| 783 i += typeSize; |
| 784 } |
| 785 |
| 786 return ret; |
| 787 } |
| 788 Module['allocate'] = allocate; |
| 789 |
| 790 function Pointer_stringify(ptr, /* optional */ length) { |
| 791 // TODO: use TextDecoder |
| 792 // Find the length, and check for UTF while doing so |
| 793 var hasUtf = false; |
| 794 var t; |
| 795 var i = 0; |
| 796 while (1) { |
| 797 t = HEAPU8[(((ptr)+(i))|0)]; |
| 798 if (t >= 128) hasUtf = true; |
| 799 else if (t == 0 && !length) break; |
| 800 i++; |
| 801 if (length && i == length) break; |
| 802 } |
| 803 if (!length) length = i; |
| 804 |
| 805 var ret = ''; |
| 806 |
| 807 if (!hasUtf) { |
| 808 var MAX_CHUNK = 1024; // split up into chunks, because .apply on a huge stri
ng can overflow the stack |
| 809 var curr; |
| 810 while (length > 0) { |
| 811 curr = String.fromCharCode.apply(String, HEAPU8.subarray(ptr, ptr + Math.m
in(length, MAX_CHUNK))); |
| 812 ret = ret ? ret + curr : curr; |
| 813 ptr += MAX_CHUNK; |
| 814 length -= MAX_CHUNK; |
| 815 } |
| 816 return ret; |
| 817 } |
| 818 |
| 819 var utf8 = new Runtime.UTF8Processor(); |
| 820 for (i = 0; i < length; i++) { |
| 821 t = HEAPU8[(((ptr)+(i))|0)]; |
| 822 ret += utf8.processCChar(t); |
| 823 } |
| 824 return ret; |
| 825 } |
| 826 Module['Pointer_stringify'] = Pointer_stringify; |
| 827 |
| 828 // Given a pointer 'ptr' to a null-terminated UTF16LE-encoded string in the emsc
ripten HEAP, returns |
| 829 // a copy of that string as a Javascript String object. |
| 830 function UTF16ToString(ptr) { |
| 831 var i = 0; |
| 832 |
| 833 var str = ''; |
| 834 while (1) { |
| 835 var codeUnit = HEAP16[(((ptr)+(i*2))>>1)]; |
| 836 if (codeUnit == 0) |
| 837 return str; |
| 838 ++i; |
| 839 // fromCharCode constructs a character from a UTF-16 code unit, so we can pa
ss the UTF16 string right through. |
| 840 str += String.fromCharCode(codeUnit); |
| 841 } |
| 842 } |
| 843 Module['UTF16ToString'] = UTF16ToString; |
| 844 |
| 845 // Copies the given Javascript String object 'str' to the emscripten HEAP at add
ress 'outPtr', |
| 846 // null-terminated and encoded in UTF16LE form. The copy will require at most (s
tr.length*2+1)*2 bytes of space in the HEAP. |
| 847 function stringToUTF16(str, outPtr) { |
| 848 for(var i = 0; i < str.length; ++i) { |
| 849 // charCodeAt returns a UTF-16 encoded code unit, so it can be directly writ
ten to the HEAP. |
| 850 var codeUnit = str.charCodeAt(i); // possibly a lead surrogate |
| 851 HEAP16[(((outPtr)+(i*2))>>1)]=codeUnit; |
| 852 } |
| 853 // Null-terminate the pointer to the HEAP. |
| 854 HEAP16[(((outPtr)+(str.length*2))>>1)]=0; |
| 855 } |
| 856 Module['stringToUTF16'] = stringToUTF16; |
| 857 |
| 858 // Given a pointer 'ptr' to a null-terminated UTF32LE-encoded string in the emsc
ripten HEAP, returns |
| 859 // a copy of that string as a Javascript String object. |
| 860 function UTF32ToString(ptr) { |
| 861 var i = 0; |
| 862 |
| 863 var str = ''; |
| 864 while (1) { |
| 865 var utf32 = HEAP32[(((ptr)+(i*4))>>2)]; |
| 866 if (utf32 == 0) |
| 867 return str; |
| 868 ++i; |
| 869 // Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (p
air), not from a Unicode code point! So encode the code point to UTF-16 for cons
tructing. |
| 870 if (utf32 >= 0x10000) { |
| 871 var ch = utf32 - 0x10000; |
| 872 str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); |
| 873 } else { |
| 874 str += String.fromCharCode(utf32); |
| 875 } |
| 876 } |
| 877 } |
| 878 Module['UTF32ToString'] = UTF32ToString; |
| 879 |
| 880 // Copies the given Javascript String object 'str' to the emscripten HEAP at add
ress 'outPtr', |
| 881 // null-terminated and encoded in UTF32LE form. The copy will require at most (s
tr.length+1)*4 bytes of space in the HEAP, |
| 882 // but can use less, since str.length does not return the number of characters i
n the string, but the number of UTF-16 code units in the string. |
| 883 function stringToUTF32(str, outPtr) { |
| 884 var iChar = 0; |
| 885 for(var iCodeUnit = 0; iCodeUnit < str.length; ++iCodeUnit) { |
| 886 // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code un
it, not a Unicode code point of the character! We must decode the string to UTF-
32 to the heap. |
| 887 var codeUnit = str.charCodeAt(iCodeUnit); // possibly a lead surrogate |
| 888 if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) { |
| 889 var trailSurrogate = str.charCodeAt(++iCodeUnit); |
| 890 codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF)
; |
| 891 } |
| 892 HEAP32[(((outPtr)+(iChar*4))>>2)]=codeUnit; |
| 893 ++iChar; |
| 894 } |
| 895 // Null-terminate the pointer to the HEAP. |
| 896 HEAP32[(((outPtr)+(iChar*4))>>2)]=0; |
| 897 } |
| 898 Module['stringToUTF32'] = stringToUTF32; |
| 899 |
| 900 function demangle(func) { |
| 901 var i = 3; |
| 902 // params, etc. |
| 903 var basicTypes = { |
| 904 'v': 'void', |
| 905 'b': 'bool', |
| 906 'c': 'char', |
| 907 's': 'short', |
| 908 'i': 'int', |
| 909 'l': 'long', |
| 910 'f': 'float', |
| 911 'd': 'double', |
| 912 'w': 'wchar_t', |
| 913 'a': 'signed char', |
| 914 'h': 'unsigned char', |
| 915 't': 'unsigned short', |
| 916 'j': 'unsigned int', |
| 917 'm': 'unsigned long', |
| 918 'x': 'long long', |
| 919 'y': 'unsigned long long', |
| 920 'z': '...' |
| 921 }; |
| 922 var subs = []; |
| 923 var first = true; |
| 924 function dump(x) { |
| 925 //return; |
| 926 if (x) Module.print(x); |
| 927 Module.print(func); |
| 928 var pre = ''; |
| 929 for (var a = 0; a < i; a++) pre += ' '; |
| 930 Module.print (pre + '^'); |
| 931 } |
| 932 function parseNested() { |
| 933 i++; |
| 934 if (func[i] === 'K') i++; // ignore const |
| 935 var parts = []; |
| 936 while (func[i] !== 'E') { |
| 937 if (func[i] === 'S') { // substitution |
| 938 i++; |
| 939 var next = func.indexOf('_', i); |
| 940 var num = func.substring(i, next) || 0; |
| 941 parts.push(subs[num] || '?'); |
| 942 i = next+1; |
| 943 continue; |
| 944 } |
| 945 if (func[i] === 'C') { // constructor |
| 946 parts.push(parts[parts.length-1]); |
| 947 i += 2; |
| 948 continue; |
| 949 } |
| 950 var size = parseInt(func.substr(i)); |
| 951 var pre = size.toString().length; |
| 952 if (!size || !pre) { i--; break; } // counter i++ below us |
| 953 var curr = func.substr(i + pre, size); |
| 954 parts.push(curr); |
| 955 subs.push(curr); |
| 956 i += pre + size; |
| 957 } |
| 958 i++; // skip E |
| 959 return parts; |
| 960 } |
| 961 function parse(rawList, limit, allowVoid) { // main parser |
| 962 limit = limit || Infinity; |
| 963 var ret = '', list = []; |
| 964 function flushList() { |
| 965 return '(' + list.join(', ') + ')'; |
| 966 } |
| 967 var name; |
| 968 if (func[i] === 'N') { |
| 969 // namespaced N-E |
| 970 name = parseNested().join('::'); |
| 971 limit--; |
| 972 if (limit === 0) return rawList ? [name] : name; |
| 973 } else { |
| 974 // not namespaced |
| 975 if (func[i] === 'K' || (first && func[i] === 'L')) i++; // ignore const an
d first 'L' |
| 976 var size = parseInt(func.substr(i)); |
| 977 if (size) { |
| 978 var pre = size.toString().length; |
| 979 name = func.substr(i + pre, size); |
| 980 i += pre + size; |
| 981 } |
| 982 } |
| 983 first = false; |
| 984 if (func[i] === 'I') { |
| 985 i++; |
| 986 var iList = parse(true); |
| 987 var iRet = parse(true, 1, true); |
| 988 ret += iRet[0] + ' ' + name + '<' + iList.join(', ') + '>'; |
| 989 } else { |
| 990 ret = name; |
| 991 } |
| 992 paramLoop: while (i < func.length && limit-- > 0) { |
| 993 //dump('paramLoop'); |
| 994 var c = func[i++]; |
| 995 if (c in basicTypes) { |
| 996 list.push(basicTypes[c]); |
| 997 } else { |
| 998 switch (c) { |
| 999 case 'P': list.push(parse(true, 1, true)[0] + '*'); break; // pointer |
| 1000 case 'R': list.push(parse(true, 1, true)[0] + '&'); break; // referenc
e |
| 1001 case 'L': { // literal |
| 1002 i++; // skip basic type |
| 1003 var end = func.indexOf('E', i); |
| 1004 var size = end - i; |
| 1005 list.push(func.substr(i, size)); |
| 1006 i += size + 2; // size + 'EE' |
| 1007 break; |
| 1008 } |
| 1009 case 'A': { // array |
| 1010 var size = parseInt(func.substr(i)); |
| 1011 i += size.toString().length; |
| 1012 if (func[i] !== '_') throw '?'; |
| 1013 i++; // skip _ |
| 1014 list.push(parse(true, 1, true)[0] + ' [' + size + ']'); |
| 1015 break; |
| 1016 } |
| 1017 case 'E': break paramLoop; |
| 1018 default: ret += '?' + c; break paramLoop; |
| 1019 } |
| 1020 } |
| 1021 } |
| 1022 if (!allowVoid && list.length === 1 && list[0] === 'void') list = []; // avo
id (void) |
| 1023 if (rawList) { |
| 1024 if (ret) { |
| 1025 list.push(ret + '?'); |
| 1026 } |
| 1027 return list; |
| 1028 } else { |
| 1029 return ret + flushList(); |
| 1030 } |
| 1031 } |
| 1032 try { |
| 1033 // Special-case the entry point, since its name differs from other name mang
ling. |
| 1034 if (func == 'Object._main' || func == '_main') { |
| 1035 return 'main()'; |
| 1036 } |
| 1037 if (typeof func === 'number') func = Pointer_stringify(func); |
| 1038 if (func[0] !== '_') return func; |
| 1039 if (func[1] !== '_') return func; // C function |
| 1040 if (func[2] !== 'Z') return func; |
| 1041 switch (func[3]) { |
| 1042 case 'n': return 'operator new()'; |
| 1043 case 'd': return 'operator delete()'; |
| 1044 } |
| 1045 return parse(); |
| 1046 } catch(e) { |
| 1047 return func; |
| 1048 } |
| 1049 } |
| 1050 |
| 1051 function demangleAll(text) { |
| 1052 return text.replace(/__Z[\w\d_]+/g, function(x) { var y = demangle(x); return
x === y ? x : (x + ' [' + y + ']') }); |
| 1053 } |
| 1054 |
| 1055 function stackTrace() { |
| 1056 var stack = new Error().stack; |
| 1057 return stack ? demangleAll(stack) : '(no stack trace available)'; // Stack tra
ce is not available at least on IE10 and Safari 6. |
| 1058 } |
| 1059 |
| 1060 // Memory management |
| 1061 |
| 1062 var PAGE_SIZE = 4096; |
| 1063 function alignMemoryPage(x) { |
| 1064 return (x+4095)&-4096; |
| 1065 } |
| 1066 |
| 1067 var HEAP; |
| 1068 var HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64; |
| 1069 |
| 1070 var STATIC_BASE = 0, STATICTOP = 0, staticSealed = false; // static area |
| 1071 var STACK_BASE = 0, STACKTOP = 0, STACK_MAX = 0; // stack area |
| 1072 var DYNAMIC_BASE = 0, DYNAMICTOP = 0; // dynamic area handled by sbrk |
| 1073 |
| 1074 function enlargeMemory() { |
| 1075 abort('Cannot enlarge memory arrays. Either (1) compile with -s TOTAL_MEMORY=X
with X higher than the current value ' + TOTAL_MEMORY + ', (2) compile with ALL
OW_MEMORY_GROWTH which adjusts the size at runtime but prevents some optimizatio
ns, or (3) set Module.TOTAL_MEMORY before the program runs.'); |
| 1076 } |
| 1077 |
| 1078 var TOTAL_STACK = Module['TOTAL_STACK'] || 5242880; |
| 1079 var TOTAL_MEMORY = Module['TOTAL_MEMORY'] || 134217728; |
| 1080 var FAST_MEMORY = Module['FAST_MEMORY'] || 2097152; |
| 1081 |
| 1082 var totalMemory = 4096; |
| 1083 while (totalMemory < TOTAL_MEMORY || totalMemory < 2*TOTAL_STACK) { |
| 1084 if (totalMemory < 16*1024*1024) { |
| 1085 totalMemory *= 2; |
| 1086 } else { |
| 1087 totalMemory += 16*1024*1024 |
| 1088 } |
| 1089 } |
| 1090 if (totalMemory !== TOTAL_MEMORY) { |
| 1091 Module.printErr('increasing TOTAL_MEMORY to ' + totalMemory + ' to be more rea
sonable'); |
| 1092 TOTAL_MEMORY = totalMemory; |
| 1093 } |
| 1094 |
| 1095 // Initialize the runtime's memory |
| 1096 // check for full engine support (use string 'subarray' to avoid closure compile
r confusion) |
| 1097 assert(typeof Int32Array !== 'undefined' && typeof Float64Array !== 'undefined'
&& !!(new Int32Array(1)['subarray']) && !!(new Int32Array(1)['set']), |
| 1098 'JS engine does not provide full typed array support'); |
| 1099 |
| 1100 var buffer = new ArrayBuffer(TOTAL_MEMORY); |
| 1101 HEAP8 = new Int8Array(buffer); |
| 1102 HEAP16 = new Int16Array(buffer); |
| 1103 HEAP32 = new Int32Array(buffer); |
| 1104 HEAPU8 = new Uint8Array(buffer); |
| 1105 HEAPU16 = new Uint16Array(buffer); |
| 1106 HEAPU32 = new Uint32Array(buffer); |
| 1107 HEAPF32 = new Float32Array(buffer); |
| 1108 HEAPF64 = new Float64Array(buffer); |
| 1109 |
| 1110 // Endianness check (note: assumes compiler arch was little-endian) |
| 1111 HEAP32[0] = 255; |
| 1112 assert(HEAPU8[0] === 255 && HEAPU8[3] === 0, 'Typed arrays 2 must be run on a li
ttle-endian system'); |
| 1113 |
| 1114 Module['HEAP'] = HEAP; |
| 1115 Module['HEAP8'] = HEAP8; |
| 1116 Module['HEAP16'] = HEAP16; |
| 1117 Module['HEAP32'] = HEAP32; |
| 1118 Module['HEAPU8'] = HEAPU8; |
| 1119 Module['HEAPU16'] = HEAPU16; |
| 1120 Module['HEAPU32'] = HEAPU32; |
| 1121 Module['HEAPF32'] = HEAPF32; |
| 1122 Module['HEAPF64'] = HEAPF64; |
| 1123 |
| 1124 function callRuntimeCallbacks(callbacks) { |
| 1125 while(callbacks.length > 0) { |
| 1126 var callback = callbacks.shift(); |
| 1127 if (typeof callback == 'function') { |
| 1128 callback(); |
| 1129 continue; |
| 1130 } |
| 1131 var func = callback.func; |
| 1132 if (typeof func === 'number') { |
| 1133 if (callback.arg === undefined) { |
| 1134 Runtime.dynCall('v', func); |
| 1135 } else { |
| 1136 Runtime.dynCall('vi', func, [callback.arg]); |
| 1137 } |
| 1138 } else { |
| 1139 func(callback.arg === undefined ? null : callback.arg); |
| 1140 } |
| 1141 } |
| 1142 } |
| 1143 |
| 1144 var __ATPRERUN__ = []; // functions called before the runtime is initialized |
| 1145 var __ATINIT__ = []; // functions called during startup |
| 1146 var __ATMAIN__ = []; // functions called when main() is to be run |
| 1147 var __ATEXIT__ = []; // functions called during shutdown |
| 1148 var __ATPOSTRUN__ = []; // functions called after the runtime has exited |
| 1149 |
| 1150 var runtimeInitialized = false; |
| 1151 |
| 1152 function preRun() { |
| 1153 // compatibility - merge in anything from Module['preRun'] at this time |
| 1154 if (Module['preRun']) { |
| 1155 if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRu
n']]; |
| 1156 while (Module['preRun'].length) { |
| 1157 addOnPreRun(Module['preRun'].shift()); |
| 1158 } |
| 1159 } |
| 1160 callRuntimeCallbacks(__ATPRERUN__); |
| 1161 } |
| 1162 |
| 1163 function ensureInitRuntime() { |
| 1164 if (runtimeInitialized) return; |
| 1165 runtimeInitialized = true; |
| 1166 callRuntimeCallbacks(__ATINIT__); |
| 1167 } |
| 1168 |
| 1169 function preMain() { |
| 1170 callRuntimeCallbacks(__ATMAIN__); |
| 1171 } |
| 1172 |
| 1173 function exitRuntime() { |
| 1174 callRuntimeCallbacks(__ATEXIT__); |
| 1175 } |
| 1176 |
| 1177 function postRun() { |
| 1178 // compatibility - merge in anything from Module['postRun'] at this time |
| 1179 if (Module['postRun']) { |
| 1180 if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['pos
tRun']]; |
| 1181 while (Module['postRun'].length) { |
| 1182 addOnPostRun(Module['postRun'].shift()); |
| 1183 } |
| 1184 } |
| 1185 callRuntimeCallbacks(__ATPOSTRUN__); |
| 1186 } |
| 1187 |
| 1188 function addOnPreRun(cb) { |
| 1189 __ATPRERUN__.unshift(cb); |
| 1190 } |
| 1191 Module['addOnPreRun'] = Module.addOnPreRun = addOnPreRun; |
| 1192 |
| 1193 function addOnInit(cb) { |
| 1194 __ATINIT__.unshift(cb); |
| 1195 } |
| 1196 Module['addOnInit'] = Module.addOnInit = addOnInit; |
| 1197 |
| 1198 function addOnPreMain(cb) { |
| 1199 __ATMAIN__.unshift(cb); |
| 1200 } |
| 1201 Module['addOnPreMain'] = Module.addOnPreMain = addOnPreMain; |
| 1202 |
| 1203 function addOnExit(cb) { |
| 1204 __ATEXIT__.unshift(cb); |
| 1205 } |
| 1206 Module['addOnExit'] = Module.addOnExit = addOnExit; |
| 1207 |
| 1208 function addOnPostRun(cb) { |
| 1209 __ATPOSTRUN__.unshift(cb); |
| 1210 } |
| 1211 Module['addOnPostRun'] = Module.addOnPostRun = addOnPostRun; |
| 1212 |
| 1213 // Tools |
| 1214 |
| 1215 // This processes a JS string into a C-line array of numbers, 0-terminated. |
| 1216 // For LLVM-originating strings, see parser.js:parseLLVMString function |
| 1217 function intArrayFromString(stringy, dontAddNull, length /* optional */) { |
| 1218 var ret = (new Runtime.UTF8Processor()).processJSString(stringy); |
| 1219 if (length) { |
| 1220 ret.length = length; |
| 1221 } |
| 1222 if (!dontAddNull) { |
| 1223 ret.push(0); |
| 1224 } |
| 1225 return ret; |
| 1226 } |
| 1227 Module['intArrayFromString'] = intArrayFromString; |
| 1228 |
| 1229 function intArrayToString(array) { |
| 1230 var ret = []; |
| 1231 for (var i = 0; i < array.length; i++) { |
| 1232 var chr = array[i]; |
| 1233 if (chr > 0xFF) { |
| 1234 chr &= 0xFF; |
| 1235 } |
| 1236 ret.push(String.fromCharCode(chr)); |
| 1237 } |
| 1238 return ret.join(''); |
| 1239 } |
| 1240 Module['intArrayToString'] = intArrayToString; |
| 1241 |
| 1242 // Write a Javascript array to somewhere in the heap |
| 1243 function writeStringToMemory(string, buffer, dontAddNull) { |
| 1244 var array = intArrayFromString(string, dontAddNull); |
| 1245 var i = 0; |
| 1246 while (i < array.length) { |
| 1247 var chr = array[i]; |
| 1248 HEAP8[(((buffer)+(i))|0)]=chr; |
| 1249 i = i + 1; |
| 1250 } |
| 1251 } |
| 1252 Module['writeStringToMemory'] = writeStringToMemory; |
| 1253 |
| 1254 function writeArrayToMemory(array, buffer) { |
| 1255 for (var i = 0; i < array.length; i++) { |
| 1256 HEAP8[(((buffer)+(i))|0)]=array[i]; |
| 1257 } |
| 1258 } |
| 1259 Module['writeArrayToMemory'] = writeArrayToMemory; |
| 1260 |
| 1261 function writeAsciiToMemory(str, buffer, dontAddNull) { |
| 1262 for (var i = 0; i < str.length; i++) { |
| 1263 HEAP8[(((buffer)+(i))|0)]=str.charCodeAt(i); |
| 1264 } |
| 1265 if (!dontAddNull) HEAP8[(((buffer)+(str.length))|0)]=0; |
| 1266 } |
| 1267 Module['writeAsciiToMemory'] = writeAsciiToMemory; |
| 1268 |
| 1269 function unSign(value, bits, ignore) { |
| 1270 if (value >= 0) { |
| 1271 return value; |
| 1272 } |
| 1273 return bits <= 32 ? 2*Math.abs(1 << (bits-1)) + value // Need some trickery, s
ince if bits == 32, we are right at the limit of the bits JS uses in bitshifts |
| 1274 : Math.pow(2, bits) + value; |
| 1275 } |
| 1276 function reSign(value, bits, ignore) { |
| 1277 if (value <= 0) { |
| 1278 return value; |
| 1279 } |
| 1280 var half = bits <= 32 ? Math.abs(1 << (bits-1)) // abs is needed if bits == 32 |
| 1281 : Math.pow(2, bits-1); |
| 1282 if (value >= half && (bits <= 32 || value > half)) { // for huge values, we ca
n hit the precision limit and always get true here. so don't do that |
| 1283 // but, in general there
is no perfect solution here. With 64-bit ints, we get rounding and errors |
| 1284 // TODO: In i64 mode 1, r
esign the two parts separately and safely |
| 1285 value = -2*half + value; // Cannot bitshift half, as it may be at the limit
of the bits JS uses in bitshifts |
| 1286 } |
| 1287 return value; |
| 1288 } |
| 1289 |
| 1290 // check for imul support, and also for correctness ( https://bugs.webkit.org/sh
ow_bug.cgi?id=126345 ) |
| 1291 if (!Math['imul'] || Math['imul'](0xffffffff, 5) !== -5) Math['imul'] = function
imul(a, b) { |
| 1292 var ah = a >>> 16; |
| 1293 var al = a & 0xffff; |
| 1294 var bh = b >>> 16; |
| 1295 var bl = b & 0xffff; |
| 1296 return (al*bl + ((ah*bl + al*bh) << 16))|0; |
| 1297 }; |
| 1298 Math.imul = Math['imul']; |
| 1299 |
| 1300 |
| 1301 var Math_abs = Math.abs; |
| 1302 var Math_cos = Math.cos; |
| 1303 var Math_sin = Math.sin; |
| 1304 var Math_tan = Math.tan; |
| 1305 var Math_acos = Math.acos; |
| 1306 var Math_asin = Math.asin; |
| 1307 var Math_atan = Math.atan; |
| 1308 var Math_atan2 = Math.atan2; |
| 1309 var Math_exp = Math.exp; |
| 1310 var Math_log = Math.log; |
| 1311 var Math_sqrt = Math.sqrt; |
| 1312 var Math_ceil = Math.ceil; |
| 1313 var Math_floor = Math.floor; |
| 1314 var Math_pow = Math.pow; |
| 1315 var Math_imul = Math.imul; |
| 1316 var Math_fround = Math.fround; |
| 1317 var Math_min = Math.min; |
| 1318 |
| 1319 // A counter of dependencies for calling run(). If we need to |
| 1320 // do asynchronous work before running, increment this and |
| 1321 // decrement it. Incrementing must happen in a place like |
| 1322 // PRE_RUN_ADDITIONS (used by emcc to add file preloading). |
| 1323 // Note that you can add dependencies in preRun, even though |
| 1324 // it happens right before run - run will be postponed until |
| 1325 // the dependencies are met. |
| 1326 var runDependencies = 0; |
| 1327 var runDependencyWatcher = null; |
| 1328 var dependenciesFulfilled = null; // overridden to take different actions when a
ll run dependencies are fulfilled |
| 1329 |
| 1330 function addRunDependency(id) { |
| 1331 runDependencies++; |
| 1332 if (Module['monitorRunDependencies']) { |
| 1333 Module['monitorRunDependencies'](runDependencies); |
| 1334 } |
| 1335 } |
| 1336 Module['addRunDependency'] = addRunDependency; |
| 1337 function removeRunDependency(id) { |
| 1338 runDependencies--; |
| 1339 if (Module['monitorRunDependencies']) { |
| 1340 Module['monitorRunDependencies'](runDependencies); |
| 1341 } |
| 1342 if (runDependencies == 0) { |
| 1343 if (runDependencyWatcher !== null) { |
| 1344 clearInterval(runDependencyWatcher); |
| 1345 runDependencyWatcher = null; |
| 1346 } |
| 1347 if (dependenciesFulfilled) { |
| 1348 var callback = dependenciesFulfilled; |
| 1349 dependenciesFulfilled = null; |
| 1350 callback(); // can add another dependenciesFulfilled |
| 1351 } |
| 1352 } |
| 1353 } |
| 1354 Module['removeRunDependency'] = removeRunDependency; |
| 1355 |
| 1356 Module["preloadedImages"] = {}; // maps url to image data |
| 1357 Module["preloadedAudios"] = {}; // maps url to audio data |
| 1358 |
| 1359 |
| 1360 var memoryInitializer = null; |
| 1361 |
| 1362 // === Body === |
| 1363 |
| 1364 |
| 1365 |
| 1366 |
| 1367 |
| 1368 STATIC_BASE = 8; |
| 1369 |
| 1370 STATICTOP = STATIC_BASE + Runtime.alignMemory(531); |
| 1371 /* global initializers */ __ATINIT__.push(); |
| 1372 |
| 1373 |
| 1374 /* memory initializer */ allocate([101,114,114,111,114,58,32,37,100,10,0,0,0,0,0
,0,102,105,110,97,108,58,32,37,100,46,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
,0], "i8", ALLOC_NONE, Runtime.GLOBAL_BASE); |
| 1375 |
| 1376 |
| 1377 |
| 1378 |
| 1379 var tempDoublePtr = Runtime.alignMemory(allocate(12, "i8", ALLOC_STATIC), 8); |
| 1380 |
| 1381 assert(tempDoublePtr % 8 == 0); |
| 1382 |
| 1383 function copyTempFloat(ptr) { // functions, because inlining this code increases
code size too much |
| 1384 |
| 1385 HEAP8[tempDoublePtr] = HEAP8[ptr]; |
| 1386 |
| 1387 HEAP8[tempDoublePtr+1] = HEAP8[ptr+1]; |
| 1388 |
| 1389 HEAP8[tempDoublePtr+2] = HEAP8[ptr+2]; |
| 1390 |
| 1391 HEAP8[tempDoublePtr+3] = HEAP8[ptr+3]; |
| 1392 |
| 1393 } |
| 1394 |
| 1395 function copyTempDouble(ptr) { |
| 1396 |
| 1397 HEAP8[tempDoublePtr] = HEAP8[ptr]; |
| 1398 |
| 1399 HEAP8[tempDoublePtr+1] = HEAP8[ptr+1]; |
| 1400 |
| 1401 HEAP8[tempDoublePtr+2] = HEAP8[ptr+2]; |
| 1402 |
| 1403 HEAP8[tempDoublePtr+3] = HEAP8[ptr+3]; |
| 1404 |
| 1405 HEAP8[tempDoublePtr+4] = HEAP8[ptr+4]; |
| 1406 |
| 1407 HEAP8[tempDoublePtr+5] = HEAP8[ptr+5]; |
| 1408 |
| 1409 HEAP8[tempDoublePtr+6] = HEAP8[ptr+6]; |
| 1410 |
| 1411 HEAP8[tempDoublePtr+7] = HEAP8[ptr+7]; |
| 1412 |
| 1413 } |
| 1414 |
| 1415 |
| 1416 |
| 1417 |
| 1418 |
| 1419 |
| 1420 var ERRNO_CODES={EPERM:1,ENOENT:2,ESRCH:3,EINTR:4,EIO:5,ENXIO:6,E2BIG:7,ENOEXE
C:8,EBADF:9,ECHILD:10,EAGAIN:11,EWOULDBLOCK:11,ENOMEM:12,EACCES:13,EFAULT:14,ENO
TBLK:15,EBUSY:16,EEXIST:17,EXDEV:18,ENODEV:19,ENOTDIR:20,EISDIR:21,EINVAL:22,ENF
ILE:23,EMFILE:24,ENOTTY:25,ETXTBSY:26,EFBIG:27,ENOSPC:28,ESPIPE:29,EROFS:30,EMLI
NK:31,EPIPE:32,EDOM:33,ERANGE:34,ENOMSG:42,EIDRM:43,ECHRNG:44,EL2NSYNC:45,EL3HLT
:46,EL3RST:47,ELNRNG:48,EUNATCH:49,ENOCSI:50,EL2HLT:51,EDEADLK:35,ENOLCK:37,EBAD
E:52,EBADR:53,EXFULL:54,ENOANO:55,EBADRQC:56,EBADSLT:57,EDEADLOCK:35,EBFONT:59,E
NOSTR:60,ENODATA:61,ETIME:62,ENOSR:63,ENONET:64,ENOPKG:65,EREMOTE:66,ENOLINK:67,
EADV:68,ESRMNT:69,ECOMM:70,EPROTO:71,EMULTIHOP:72,EDOTDOT:73,EBADMSG:74,ENOTUNIQ
:76,EBADFD:77,EREMCHG:78,ELIBACC:79,ELIBBAD:80,ELIBSCN:81,ELIBMAX:82,ELIBEXEC:83
,ENOSYS:38,ENOTEMPTY:39,ENAMETOOLONG:36,ELOOP:40,EOPNOTSUPP:95,EPFNOSUPPORT:96,E
CONNRESET:104,ENOBUFS:105,EAFNOSUPPORT:97,EPROTOTYPE:91,ENOTSOCK:88,ENOPROTOOPT:
92,ESHUTDOWN:108,ECONNREFUSED:111,EADDRINUSE:98,ECONNABORTED:103,ENETUNREACH:101
,ENETDOWN:100,ETIMEDOUT:110,EHOSTDOWN:112,EHOSTUNREACH:113,EINPROGRESS:115,EALRE
ADY:114,EDESTADDRREQ:89,EMSGSIZE:90,EPROTONOSUPPORT:93,ESOCKTNOSUPPORT:94,EADDRN
OTAVAIL:99,ENETRESET:102,EISCONN:106,ENOTCONN:107,ETOOMANYREFS:109,EUSERS:87,EDQ
UOT:122,ESTALE:116,ENOTSUP:95,ENOMEDIUM:123,EILSEQ:84,EOVERFLOW:75,ECANCELED:125
,ENOTRECOVERABLE:131,EOWNERDEAD:130,ESTRPIPE:86}; |
| 1421 |
| 1422 var ERRNO_MESSAGES={0:"Success",1:"Not super-user",2:"No such file or director
y",3:"No such process",4:"Interrupted system call",5:"I/O error",6:"No such devi
ce or address",7:"Arg list too long",8:"Exec format error",9:"Bad file number",1
0:"No children",11:"No more processes",12:"Not enough core",13:"Permission denie
d",14:"Bad address",15:"Block device required",16:"Mount device busy",17:"File e
xists",18:"Cross-device link",19:"No such device",20:"Not a directory",21:"Is a
directory",22:"Invalid argument",23:"Too many open files in system",24:"Too many
open files",25:"Not a typewriter",26:"Text file busy",27:"File too large",28:"N
o space left on device",29:"Illegal seek",30:"Read only file system",31:"Too man
y links",32:"Broken pipe",33:"Math arg out of domain of func",34:"Math result no
t representable",35:"File locking deadlock error",36:"File or path name too long
",37:"No record locks available",38:"Function not implemented",39:"Directory not
empty",40:"Too many symbolic links",42:"No message of desired type",43:"Identif
ier removed",44:"Channel number out of range",45:"Level 2 not synchronized",46:"
Level 3 halted",47:"Level 3 reset",48:"Link number out of range",49:"Protocol dr
iver not attached",50:"No CSI structure available",51:"Level 2 halted",52:"Inval
id exchange",53:"Invalid request descriptor",54:"Exchange full",55:"No anode",56
:"Invalid request code",57:"Invalid slot",59:"Bad font file fmt",60:"Device not
a stream",61:"No data (for no delay io)",62:"Timer expired",63:"Out of streams r
esources",64:"Machine is not on the network",65:"Package not installed",66:"The
object is remote",67:"The link has been severed",68:"Advertise error",69:"Srmoun
t error",70:"Communication error on send",71:"Protocol error",72:"Multihop attem
pted",73:"Cross mount point (not really error)",74:"Trying to read unreadable me
ssage",75:"Value too large for defined data type",76:"Given log. name not unique
",77:"f.d. invalid for this operation",78:"Remote address changed",79:"Can acc
ess a needed shared lib",80:"Accessing a corrupted shared lib",81:".lib section
in a.out corrupted",82:"Attempting to link in too many libs",83:"Attempting to e
xec a shared library",84:"Illegal byte sequence",86:"Streams pipe error",87:"Too
many users",88:"Socket operation on non-socket",89:"Destination address require
d",90:"Message too long",91:"Protocol wrong type for socket",92:"Protocol not av
ailable",93:"Unknown protocol",94:"Socket type not supported",95:"Not supported"
,96:"Protocol family not supported",97:"Address family not supported by protocol
family",98:"Address already in use",99:"Address not available",100:"Network int
erface is not configured",101:"Network is unreachable",102:"Connection reset by
network",103:"Connection aborted",104:"Connection reset by peer",105:"No buffer
space available",106:"Socket is already connected",107:"Socket is not connected"
,108:"Can't send after socket shutdown",109:"Too many references",110:"Connectio
n timed out",111:"Connection refused",112:"Host is down",113:"Host is unreachabl
e",114:"Socket already connected",115:"Connection already in progress",116:"Stal
e file handle",122:"Quota exceeded",123:"No medium (in tape drive)",125:"Operati
on canceled",130:"Previous owner died",131:"State not recoverable"}; |
| 1423 |
| 1424 |
| 1425 var ___errno_state=0;function ___setErrNo(value) { |
| 1426 // For convenient setting and returning of errno. |
| 1427 HEAP32[((___errno_state)>>2)]=value; |
| 1428 return value; |
| 1429 } |
| 1430 |
| 1431 var PATH={splitPath:function (filename) { |
| 1432 var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?
:[\/]*)$/; |
| 1433 return splitPathRe.exec(filename).slice(1); |
| 1434 },normalizeArray:function (parts, allowAboveRoot) { |
| 1435 // if the path tries to go above the root, `up` ends up > 0 |
| 1436 var up = 0; |
| 1437 for (var i = parts.length - 1; i >= 0; i--) { |
| 1438 var last = parts[i]; |
| 1439 if (last === '.') { |
| 1440 parts.splice(i, 1); |
| 1441 } else if (last === '..') { |
| 1442 parts.splice(i, 1); |
| 1443 up++; |
| 1444 } else if (up) { |
| 1445 parts.splice(i, 1); |
| 1446 up--; |
| 1447 } |
| 1448 } |
| 1449 // if the path is allowed to go above the root, restore leading ..s |
| 1450 if (allowAboveRoot) { |
| 1451 for (; up--; up) { |
| 1452 parts.unshift('..'); |
| 1453 } |
| 1454 } |
| 1455 return parts; |
| 1456 },normalize:function (path) { |
| 1457 var isAbsolute = path.charAt(0) === '/', |
| 1458 trailingSlash = path.substr(-1) === '/'; |
| 1459 // Normalize the path |
| 1460 path = PATH.normalizeArray(path.split('/').filter(function(p) { |
| 1461 return !!p; |
| 1462 }), !isAbsolute).join('/'); |
| 1463 if (!path && !isAbsolute) { |
| 1464 path = '.'; |
| 1465 } |
| 1466 if (path && trailingSlash) { |
| 1467 path += '/'; |
| 1468 } |
| 1469 return (isAbsolute ? '/' : '') + path; |
| 1470 },dirname:function (path) { |
| 1471 var result = PATH.splitPath(path), |
| 1472 root = result[0], |
| 1473 dir = result[1]; |
| 1474 if (!root && !dir) { |
| 1475 // No dirname whatsoever |
| 1476 return '.'; |
| 1477 } |
| 1478 if (dir) { |
| 1479 // It has a dirname, strip trailing slash |
| 1480 dir = dir.substr(0, dir.length - 1); |
| 1481 } |
| 1482 return root + dir; |
| 1483 },basename:function (path) { |
| 1484 // EMSCRIPTEN return '/'' for '/', not an empty string |
| 1485 if (path === '/') return '/'; |
| 1486 var lastSlash = path.lastIndexOf('/'); |
| 1487 if (lastSlash === -1) return path; |
| 1488 return path.substr(lastSlash+1); |
| 1489 },extname:function (path) { |
| 1490 return PATH.splitPath(path)[3]; |
| 1491 },join:function () { |
| 1492 var paths = Array.prototype.slice.call(arguments, 0); |
| 1493 return PATH.normalize(paths.join('/')); |
| 1494 },join2:function (l, r) { |
| 1495 return PATH.normalize(l + '/' + r); |
| 1496 },resolve:function () { |
| 1497 var resolvedPath = '', |
| 1498 resolvedAbsolute = false; |
| 1499 for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) { |
| 1500 var path = (i >= 0) ? arguments[i] : FS.cwd(); |
| 1501 // Skip empty and invalid entries |
| 1502 if (typeof path !== 'string') { |
| 1503 throw new TypeError('Arguments to path.resolve must be strings'); |
| 1504 } else if (!path) { |
| 1505 continue; |
| 1506 } |
| 1507 resolvedPath = path + '/' + resolvedPath; |
| 1508 resolvedAbsolute = path.charAt(0) === '/'; |
| 1509 } |
| 1510 // At this point the path should be resolved to a full absolute path, bu
t |
| 1511 // handle relative paths to be safe (might happen when process.cwd() fai
ls) |
| 1512 resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter(functi
on(p) { |
| 1513 return !!p; |
| 1514 }), !resolvedAbsolute).join('/'); |
| 1515 return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; |
| 1516 },relative:function (from, to) { |
| 1517 from = PATH.resolve(from).substr(1); |
| 1518 to = PATH.resolve(to).substr(1); |
| 1519 function trim(arr) { |
| 1520 var start = 0; |
| 1521 for (; start < arr.length; start++) { |
| 1522 if (arr[start] !== '') break; |
| 1523 } |
| 1524 var end = arr.length - 1; |
| 1525 for (; end >= 0; end--) { |
| 1526 if (arr[end] !== '') break; |
| 1527 } |
| 1528 if (start > end) return []; |
| 1529 return arr.slice(start, end - start + 1); |
| 1530 } |
| 1531 var fromParts = trim(from.split('/')); |
| 1532 var toParts = trim(to.split('/')); |
| 1533 var length = Math.min(fromParts.length, toParts.length); |
| 1534 var samePartsLength = length; |
| 1535 for (var i = 0; i < length; i++) { |
| 1536 if (fromParts[i] !== toParts[i]) { |
| 1537 samePartsLength = i; |
| 1538 break; |
| 1539 } |
| 1540 } |
| 1541 var outputParts = []; |
| 1542 for (var i = samePartsLength; i < fromParts.length; i++) { |
| 1543 outputParts.push('..'); |
| 1544 } |
| 1545 outputParts = outputParts.concat(toParts.slice(samePartsLength)); |
| 1546 return outputParts.join('/'); |
| 1547 }}; |
| 1548 |
| 1549 var TTY={ttys:[],init:function () { |
| 1550 // https://github.com/kripken/emscripten/pull/1555 |
| 1551 // if (ENVIRONMENT_IS_NODE) { |
| 1552 // // currently, FS.init does not distinguish if process.stdin is a fi
le or TTY |
| 1553 // // device, it always assumes it's a TTY device. because of this, we
're forcing |
| 1554 // // process.stdin to UTF8 encoding to at least make stdin reading co
mpatible |
| 1555 // // with text files until FS.init can be refactored. |
| 1556 // process['stdin']['setEncoding']('utf8'); |
| 1557 // } |
| 1558 },shutdown:function () { |
| 1559 // https://github.com/kripken/emscripten/pull/1555 |
| 1560 // if (ENVIRONMENT_IS_NODE) { |
| 1561 // // inolen: any idea as to why node -e 'process.stdin.read()' wouldn
't exit immediately (with process.stdin being a tty)? |
| 1562 // // isaacs: because now it's reading from the stream, you've express
ed interest in it, so that read() kicks off a _read() which creates a ReadReq op
eration |
| 1563 // // inolen: I thought read() in that case was a synchronous operatio
n that just grabbed some amount of buffered data if it exists? |
| 1564 // // isaacs: it is. but it also triggers a _read() call, which calls
readStart() on the handle |
| 1565 // // isaacs: do process.stdin.pause() and i'd think it'd probably clo
se the pending call |
| 1566 // process['stdin']['pause'](); |
| 1567 // } |
| 1568 },register:function (dev, ops) { |
| 1569 TTY.ttys[dev] = { input: [], output: [], ops: ops }; |
| 1570 FS.registerDevice(dev, TTY.stream_ops); |
| 1571 },stream_ops:{open:function (stream) { |
| 1572 var tty = TTY.ttys[stream.node.rdev]; |
| 1573 if (!tty) { |
| 1574 throw new FS.ErrnoError(ERRNO_CODES.ENODEV); |
| 1575 } |
| 1576 stream.tty = tty; |
| 1577 stream.seekable = false; |
| 1578 },close:function (stream) { |
| 1579 // flush any pending line data |
| 1580 if (stream.tty.output.length) { |
| 1581 stream.tty.ops.put_char(stream.tty, 10); |
| 1582 } |
| 1583 },read:function (stream, buffer, offset, length, pos /* ignored */) { |
| 1584 if (!stream.tty || !stream.tty.ops.get_char) { |
| 1585 throw new FS.ErrnoError(ERRNO_CODES.ENXIO); |
| 1586 } |
| 1587 var bytesRead = 0; |
| 1588 for (var i = 0; i < length; i++) { |
| 1589 var result; |
| 1590 try { |
| 1591 result = stream.tty.ops.get_char(stream.tty); |
| 1592 } catch (e) { |
| 1593 throw new FS.ErrnoError(ERRNO_CODES.EIO); |
| 1594 } |
| 1595 if (result === undefined && bytesRead === 0) { |
| 1596 throw new FS.ErrnoError(ERRNO_CODES.EAGAIN); |
| 1597 } |
| 1598 if (result === null || result === undefined) break; |
| 1599 bytesRead++; |
| 1600 buffer[offset+i] = result; |
| 1601 } |
| 1602 if (bytesRead) { |
| 1603 stream.node.timestamp = Date.now(); |
| 1604 } |
| 1605 return bytesRead; |
| 1606 },write:function (stream, buffer, offset, length, pos) { |
| 1607 if (!stream.tty || !stream.tty.ops.put_char) { |
| 1608 throw new FS.ErrnoError(ERRNO_CODES.ENXIO); |
| 1609 } |
| 1610 for (var i = 0; i < length; i++) { |
| 1611 try { |
| 1612 stream.tty.ops.put_char(stream.tty, buffer[offset+i]); |
| 1613 } catch (e) { |
| 1614 throw new FS.ErrnoError(ERRNO_CODES.EIO); |
| 1615 } |
| 1616 } |
| 1617 if (length) { |
| 1618 stream.node.timestamp = Date.now(); |
| 1619 } |
| 1620 return i; |
| 1621 }},default_tty_ops:{get_char:function (tty) { |
| 1622 if (!tty.input.length) { |
| 1623 var result = null; |
| 1624 if (ENVIRONMENT_IS_NODE) { |
| 1625 result = process['stdin']['read'](); |
| 1626 if (!result) { |
| 1627 if (process['stdin']['_readableState'] && process['stdin']['_rea
dableState']['ended']) { |
| 1628 return null; // EOF |
| 1629 } |
| 1630 return undefined; // no data available |
| 1631 } |
| 1632 } else if (typeof window != 'undefined' && |
| 1633 typeof window.prompt == 'function') { |
| 1634 // Browser. |
| 1635 result = window.prompt('Input: '); // returns null on cancel |
| 1636 if (result !== null) { |
| 1637 result += '\n'; |
| 1638 } |
| 1639 } else if (typeof readline == 'function') { |
| 1640 // Command line. |
| 1641 result = readline(); |
| 1642 if (result !== null) { |
| 1643 result += '\n'; |
| 1644 } |
| 1645 } |
| 1646 if (!result) { |
| 1647 return null; |
| 1648 } |
| 1649 tty.input = intArrayFromString(result, true); |
| 1650 } |
| 1651 return tty.input.shift(); |
| 1652 },put_char:function (tty, val) { |
| 1653 if (val === null || val === 10) { |
| 1654 Module['print'](tty.output.join('')); |
| 1655 tty.output = []; |
| 1656 } else { |
| 1657 tty.output.push(TTY.utf8.processCChar(val)); |
| 1658 } |
| 1659 }},default_tty1_ops:{put_char:function (tty, val) { |
| 1660 if (val === null || val === 10) { |
| 1661 Module['printErr'](tty.output.join('')); |
| 1662 tty.output = []; |
| 1663 } else { |
| 1664 tty.output.push(TTY.utf8.processCChar(val)); |
| 1665 } |
| 1666 }}}; |
| 1667 |
| 1668 var MEMFS={ops_table:null,CONTENT_OWNING:1,CONTENT_FLEXIBLE:2,CONTENT_FIXED:3,
mount:function (mount) { |
| 1669 return MEMFS.createNode(null, '/', 16384 | 511 /* 0777 */, 0); |
| 1670 },createNode:function (parent, name, mode, dev) { |
| 1671 if (FS.isBlkdev(mode) || FS.isFIFO(mode)) { |
| 1672 // no supported |
| 1673 throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 1674 } |
| 1675 if (!MEMFS.ops_table) { |
| 1676 MEMFS.ops_table = { |
| 1677 dir: { |
| 1678 node: { |
| 1679 getattr: MEMFS.node_ops.getattr, |
| 1680 setattr: MEMFS.node_ops.setattr, |
| 1681 lookup: MEMFS.node_ops.lookup, |
| 1682 mknod: MEMFS.node_ops.mknod, |
| 1683 rename: MEMFS.node_ops.rename, |
| 1684 unlink: MEMFS.node_ops.unlink, |
| 1685 rmdir: MEMFS.node_ops.rmdir, |
| 1686 readdir: MEMFS.node_ops.readdir, |
| 1687 symlink: MEMFS.node_ops.symlink |
| 1688 }, |
| 1689 stream: { |
| 1690 llseek: MEMFS.stream_ops.llseek |
| 1691 } |
| 1692 }, |
| 1693 file: { |
| 1694 node: { |
| 1695 getattr: MEMFS.node_ops.getattr, |
| 1696 setattr: MEMFS.node_ops.setattr |
| 1697 }, |
| 1698 stream: { |
| 1699 llseek: MEMFS.stream_ops.llseek, |
| 1700 read: MEMFS.stream_ops.read, |
| 1701 write: MEMFS.stream_ops.write, |
| 1702 allocate: MEMFS.stream_ops.allocate, |
| 1703 mmap: MEMFS.stream_ops.mmap |
| 1704 } |
| 1705 }, |
| 1706 link: { |
| 1707 node: { |
| 1708 getattr: MEMFS.node_ops.getattr, |
| 1709 setattr: MEMFS.node_ops.setattr, |
| 1710 readlink: MEMFS.node_ops.readlink |
| 1711 }, |
| 1712 stream: {} |
| 1713 }, |
| 1714 chrdev: { |
| 1715 node: { |
| 1716 getattr: MEMFS.node_ops.getattr, |
| 1717 setattr: MEMFS.node_ops.setattr |
| 1718 }, |
| 1719 stream: FS.chrdev_stream_ops |
| 1720 }, |
| 1721 }; |
| 1722 } |
| 1723 var node = FS.createNode(parent, name, mode, dev); |
| 1724 if (FS.isDir(node.mode)) { |
| 1725 node.node_ops = MEMFS.ops_table.dir.node; |
| 1726 node.stream_ops = MEMFS.ops_table.dir.stream; |
| 1727 node.contents = {}; |
| 1728 } else if (FS.isFile(node.mode)) { |
| 1729 node.node_ops = MEMFS.ops_table.file.node; |
| 1730 node.stream_ops = MEMFS.ops_table.file.stream; |
| 1731 node.contents = []; |
| 1732 node.contentMode = MEMFS.CONTENT_FLEXIBLE; |
| 1733 } else if (FS.isLink(node.mode)) { |
| 1734 node.node_ops = MEMFS.ops_table.link.node; |
| 1735 node.stream_ops = MEMFS.ops_table.link.stream; |
| 1736 } else if (FS.isChrdev(node.mode)) { |
| 1737 node.node_ops = MEMFS.ops_table.chrdev.node; |
| 1738 node.stream_ops = MEMFS.ops_table.chrdev.stream; |
| 1739 } |
| 1740 node.timestamp = Date.now(); |
| 1741 // add the new node to the parent |
| 1742 if (parent) { |
| 1743 parent.contents[name] = node; |
| 1744 } |
| 1745 return node; |
| 1746 },ensureFlexible:function (node) { |
| 1747 if (node.contentMode !== MEMFS.CONTENT_FLEXIBLE) { |
| 1748 var contents = node.contents; |
| 1749 node.contents = Array.prototype.slice.call(contents); |
| 1750 node.contentMode = MEMFS.CONTENT_FLEXIBLE; |
| 1751 } |
| 1752 },node_ops:{getattr:function (node) { |
| 1753 var attr = {}; |
| 1754 // device numbers reuse inode numbers. |
| 1755 attr.dev = FS.isChrdev(node.mode) ? node.id : 1; |
| 1756 attr.ino = node.id; |
| 1757 attr.mode = node.mode; |
| 1758 attr.nlink = 1; |
| 1759 attr.uid = 0; |
| 1760 attr.gid = 0; |
| 1761 attr.rdev = node.rdev; |
| 1762 if (FS.isDir(node.mode)) { |
| 1763 attr.size = 4096; |
| 1764 } else if (FS.isFile(node.mode)) { |
| 1765 attr.size = node.contents.length; |
| 1766 } else if (FS.isLink(node.mode)) { |
| 1767 attr.size = node.link.length; |
| 1768 } else { |
| 1769 attr.size = 0; |
| 1770 } |
| 1771 attr.atime = new Date(node.timestamp); |
| 1772 attr.mtime = new Date(node.timestamp); |
| 1773 attr.ctime = new Date(node.timestamp); |
| 1774 // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksi
ze), |
| 1775 // but this is not required by the standard. |
| 1776 attr.blksize = 4096; |
| 1777 attr.blocks = Math.ceil(attr.size / attr.blksize); |
| 1778 return attr; |
| 1779 },setattr:function (node, attr) { |
| 1780 if (attr.mode !== undefined) { |
| 1781 node.mode = attr.mode; |
| 1782 } |
| 1783 if (attr.timestamp !== undefined) { |
| 1784 node.timestamp = attr.timestamp; |
| 1785 } |
| 1786 if (attr.size !== undefined) { |
| 1787 MEMFS.ensureFlexible(node); |
| 1788 var contents = node.contents; |
| 1789 if (attr.size < contents.length) contents.length = attr.size; |
| 1790 else while (attr.size > contents.length) contents.push(0); |
| 1791 } |
| 1792 },lookup:function (parent, name) { |
| 1793 throw FS.genericErrors[ERRNO_CODES.ENOENT]; |
| 1794 },mknod:function (parent, name, mode, dev) { |
| 1795 return MEMFS.createNode(parent, name, mode, dev); |
| 1796 },rename:function (old_node, new_dir, new_name) { |
| 1797 // if we're overwriting a directory at new_name, make sure it's empty. |
| 1798 if (FS.isDir(old_node.mode)) { |
| 1799 var new_node; |
| 1800 try { |
| 1801 new_node = FS.lookupNode(new_dir, new_name); |
| 1802 } catch (e) { |
| 1803 } |
| 1804 if (new_node) { |
| 1805 for (var i in new_node.contents) { |
| 1806 throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY); |
| 1807 } |
| 1808 } |
| 1809 } |
| 1810 // do the internal rewiring |
| 1811 delete old_node.parent.contents[old_node.name]; |
| 1812 old_node.name = new_name; |
| 1813 new_dir.contents[new_name] = old_node; |
| 1814 old_node.parent = new_dir; |
| 1815 },unlink:function (parent, name) { |
| 1816 delete parent.contents[name]; |
| 1817 },rmdir:function (parent, name) { |
| 1818 var node = FS.lookupNode(parent, name); |
| 1819 for (var i in node.contents) { |
| 1820 throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY); |
| 1821 } |
| 1822 delete parent.contents[name]; |
| 1823 },readdir:function (node) { |
| 1824 var entries = ['.', '..'] |
| 1825 for (var key in node.contents) { |
| 1826 if (!node.contents.hasOwnProperty(key)) { |
| 1827 continue; |
| 1828 } |
| 1829 entries.push(key); |
| 1830 } |
| 1831 return entries; |
| 1832 },symlink:function (parent, newname, oldpath) { |
| 1833 var node = MEMFS.createNode(parent, newname, 511 /* 0777 */ | 40960, 0
); |
| 1834 node.link = oldpath; |
| 1835 return node; |
| 1836 },readlink:function (node) { |
| 1837 if (!FS.isLink(node.mode)) { |
| 1838 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 1839 } |
| 1840 return node.link; |
| 1841 }},stream_ops:{read:function (stream, buffer, offset, length, position)
{ |
| 1842 var contents = stream.node.contents; |
| 1843 if (position >= contents.length) |
| 1844 return 0; |
| 1845 var size = Math.min(contents.length - position, length); |
| 1846 assert(size >= 0); |
| 1847 if (size > 8 && contents.subarray) { // non-trivial, and typed array |
| 1848 buffer.set(contents.subarray(position, position + size), offset); |
| 1849 } else |
| 1850 { |
| 1851 for (var i = 0; i < size; i++) { |
| 1852 buffer[offset + i] = contents[position + i]; |
| 1853 } |
| 1854 } |
| 1855 return size; |
| 1856 },write:function (stream, buffer, offset, length, position, canOwn) { |
| 1857 var node = stream.node; |
| 1858 node.timestamp = Date.now(); |
| 1859 var contents = node.contents; |
| 1860 if (length && contents.length === 0 && position === 0 && buffer.subarr
ay) { |
| 1861 // just replace it with the new data |
| 1862 if (canOwn && offset === 0) { |
| 1863 node.contents = buffer; // this could be a subarray of Emscripten
HEAP, or allocated from some other source. |
| 1864 node.contentMode = (buffer.buffer === HEAP8.buffer) ? MEMFS.CONTEN
T_OWNING : MEMFS.CONTENT_FIXED; |
| 1865 } else { |
| 1866 node.contents = new Uint8Array(buffer.subarray(offset, offset+leng
th)); |
| 1867 node.contentMode = MEMFS.CONTENT_FIXED; |
| 1868 } |
| 1869 return length; |
| 1870 } |
| 1871 MEMFS.ensureFlexible(node); |
| 1872 var contents = node.contents; |
| 1873 while (contents.length < position) contents.push(0); |
| 1874 for (var i = 0; i < length; i++) { |
| 1875 contents[position + i] = buffer[offset + i]; |
| 1876 } |
| 1877 return length; |
| 1878 },llseek:function (stream, offset, whence) { |
| 1879 var position = offset; |
| 1880 if (whence === 1) { // SEEK_CUR. |
| 1881 position += stream.position; |
| 1882 } else if (whence === 2) { // SEEK_END. |
| 1883 if (FS.isFile(stream.node.mode)) { |
| 1884 position += stream.node.contents.length; |
| 1885 } |
| 1886 } |
| 1887 if (position < 0) { |
| 1888 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 1889 } |
| 1890 stream.ungotten = []; |
| 1891 stream.position = position; |
| 1892 return position; |
| 1893 },allocate:function (stream, offset, length) { |
| 1894 MEMFS.ensureFlexible(stream.node); |
| 1895 var contents = stream.node.contents; |
| 1896 var limit = offset + length; |
| 1897 while (limit > contents.length) contents.push(0); |
| 1898 },mmap:function (stream, buffer, offset, length, position, prot, flags)
{ |
| 1899 if (!FS.isFile(stream.node.mode)) { |
| 1900 throw new FS.ErrnoError(ERRNO_CODES.ENODEV); |
| 1901 } |
| 1902 var ptr; |
| 1903 var allocated; |
| 1904 var contents = stream.node.contents; |
| 1905 // Only make a new copy when MAP_PRIVATE is specified. |
| 1906 if ( !(flags & 2) && |
| 1907 (contents.buffer === buffer || contents.buffer === buffer.buffer
) ) { |
| 1908 // We can't emulate MAP_SHARED when the file is not backed by the bu
ffer |
| 1909 // we're mapping to (e.g. the HEAP buffer). |
| 1910 allocated = false; |
| 1911 ptr = contents.byteOffset; |
| 1912 } else { |
| 1913 // Try to avoid unnecessary slices. |
| 1914 if (position > 0 || position + length < contents.length) { |
| 1915 if (contents.subarray) { |
| 1916 contents = contents.subarray(position, position + length); |
| 1917 } else { |
| 1918 contents = Array.prototype.slice.call(contents, position, positi
on + length); |
| 1919 } |
| 1920 } |
| 1921 allocated = true; |
| 1922 ptr = _malloc(length); |
| 1923 if (!ptr) { |
| 1924 throw new FS.ErrnoError(ERRNO_CODES.ENOMEM); |
| 1925 } |
| 1926 buffer.set(contents, ptr); |
| 1927 } |
| 1928 return { ptr: ptr, allocated: allocated }; |
| 1929 }}}; |
| 1930 |
| 1931 var IDBFS={dbs:{},indexedDB:function () { |
| 1932 return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB
|| window.msIndexedDB; |
| 1933 },DB_VERSION:21,DB_STORE_NAME:"FILE_DATA",mount:function (mount) { |
| 1934 // reuse all of the core MEMFS functionality |
| 1935 return MEMFS.mount.apply(null, arguments); |
| 1936 },syncfs:function (mount, populate, callback) { |
| 1937 IDBFS.getLocalSet(mount, function(err, local) { |
| 1938 if (err) return callback(err); |
| 1939 |
| 1940 IDBFS.getRemoteSet(mount, function(err, remote) { |
| 1941 if (err) return callback(err); |
| 1942 |
| 1943 var src = populate ? remote : local; |
| 1944 var dst = populate ? local : remote; |
| 1945 |
| 1946 IDBFS.reconcile(src, dst, callback); |
| 1947 }); |
| 1948 }); |
| 1949 },getDB:function (name, callback) { |
| 1950 // check the cache first |
| 1951 var db = IDBFS.dbs[name]; |
| 1952 if (db) { |
| 1953 return callback(null, db); |
| 1954 } |
| 1955 |
| 1956 var req; |
| 1957 try { |
| 1958 req = IDBFS.indexedDB().open(name, IDBFS.DB_VERSION); |
| 1959 } catch (e) { |
| 1960 return callback(e); |
| 1961 } |
| 1962 req.onupgradeneeded = function(e) { |
| 1963 var db = e.target.result; |
| 1964 var transaction = e.target.transaction; |
| 1965 |
| 1966 var fileStore; |
| 1967 |
| 1968 if (db.objectStoreNames.contains(IDBFS.DB_STORE_NAME)) { |
| 1969 fileStore = transaction.objectStore(IDBFS.DB_STORE_NAME); |
| 1970 } else { |
| 1971 fileStore = db.createObjectStore(IDBFS.DB_STORE_NAME); |
| 1972 } |
| 1973 |
| 1974 fileStore.createIndex('timestamp', 'timestamp', { unique: false }); |
| 1975 }; |
| 1976 req.onsuccess = function() { |
| 1977 db = req.result; |
| 1978 |
| 1979 // add to the cache |
| 1980 IDBFS.dbs[name] = db; |
| 1981 callback(null, db); |
| 1982 }; |
| 1983 req.onerror = function() { |
| 1984 callback(this.error); |
| 1985 }; |
| 1986 },getLocalSet:function (mount, callback) { |
| 1987 var entries = {}; |
| 1988 |
| 1989 function isRealDir(p) { |
| 1990 return p !== '.' && p !== '..'; |
| 1991 }; |
| 1992 function toAbsolute(root) { |
| 1993 return function(p) { |
| 1994 return PATH.join2(root, p); |
| 1995 } |
| 1996 }; |
| 1997 |
| 1998 var check = FS.readdir(mount.mountpoint).filter(isRealDir).map(toAbsolut
e(mount.mountpoint)); |
| 1999 |
| 2000 while (check.length) { |
| 2001 var path = check.pop(); |
| 2002 var stat; |
| 2003 |
| 2004 try { |
| 2005 stat = FS.stat(path); |
| 2006 } catch (e) { |
| 2007 return callback(e); |
| 2008 } |
| 2009 |
| 2010 if (FS.isDir(stat.mode)) { |
| 2011 check.push.apply(check, FS.readdir(path).filter(isRealDir).map(toAbs
olute(path))); |
| 2012 } |
| 2013 |
| 2014 entries[path] = { timestamp: stat.mtime }; |
| 2015 } |
| 2016 |
| 2017 return callback(null, { type: 'local', entries: entries }); |
| 2018 },getRemoteSet:function (mount, callback) { |
| 2019 var entries = {}; |
| 2020 |
| 2021 IDBFS.getDB(mount.mountpoint, function(err, db) { |
| 2022 if (err) return callback(err); |
| 2023 |
| 2024 var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readonly'); |
| 2025 transaction.onerror = function() { callback(this.error); }; |
| 2026 |
| 2027 var store = transaction.objectStore(IDBFS.DB_STORE_NAME); |
| 2028 var index = store.index('timestamp'); |
| 2029 |
| 2030 index.openKeyCursor().onsuccess = function(event) { |
| 2031 var cursor = event.target.result; |
| 2032 |
| 2033 if (!cursor) { |
| 2034 return callback(null, { type: 'remote', db: db, entries: entries }
); |
| 2035 } |
| 2036 |
| 2037 entries[cursor.primaryKey] = { timestamp: cursor.key }; |
| 2038 |
| 2039 cursor.continue(); |
| 2040 }; |
| 2041 }); |
| 2042 },loadLocalEntry:function (path, callback) { |
| 2043 var stat, node; |
| 2044 |
| 2045 try { |
| 2046 var lookup = FS.lookupPath(path); |
| 2047 node = lookup.node; |
| 2048 stat = FS.stat(path); |
| 2049 } catch (e) { |
| 2050 return callback(e); |
| 2051 } |
| 2052 |
| 2053 if (FS.isDir(stat.mode)) { |
| 2054 return callback(null, { timestamp: stat.mtime, mode: stat.mode }); |
| 2055 } else if (FS.isFile(stat.mode)) { |
| 2056 return callback(null, { timestamp: stat.mtime, mode: stat.mode, conten
ts: node.contents }); |
| 2057 } else { |
| 2058 return callback(new Error('node type not supported')); |
| 2059 } |
| 2060 },storeLocalEntry:function (path, entry, callback) { |
| 2061 try { |
| 2062 if (FS.isDir(entry.mode)) { |
| 2063 FS.mkdir(path, entry.mode); |
| 2064 } else if (FS.isFile(entry.mode)) { |
| 2065 FS.writeFile(path, entry.contents, { encoding: 'binary', canOwn: tru
e }); |
| 2066 } else { |
| 2067 return callback(new Error('node type not supported')); |
| 2068 } |
| 2069 |
| 2070 FS.utime(path, entry.timestamp, entry.timestamp); |
| 2071 } catch (e) { |
| 2072 return callback(e); |
| 2073 } |
| 2074 |
| 2075 callback(null); |
| 2076 },removeLocalEntry:function (path, callback) { |
| 2077 try { |
| 2078 var lookup = FS.lookupPath(path); |
| 2079 var stat = FS.stat(path); |
| 2080 |
| 2081 if (FS.isDir(stat.mode)) { |
| 2082 FS.rmdir(path); |
| 2083 } else if (FS.isFile(stat.mode)) { |
| 2084 FS.unlink(path); |
| 2085 } |
| 2086 } catch (e) { |
| 2087 return callback(e); |
| 2088 } |
| 2089 |
| 2090 callback(null); |
| 2091 },loadRemoteEntry:function (store, path, callback) { |
| 2092 var req = store.get(path); |
| 2093 req.onsuccess = function(event) { callback(null, event.target.result); }
; |
| 2094 req.onerror = function() { callback(this.error); }; |
| 2095 },storeRemoteEntry:function (store, path, entry, callback) { |
| 2096 var req = store.put(entry, path); |
| 2097 req.onsuccess = function() { callback(null); }; |
| 2098 req.onerror = function() { callback(this.error); }; |
| 2099 },removeRemoteEntry:function (store, path, callback) { |
| 2100 var req = store.delete(path); |
| 2101 req.onsuccess = function() { callback(null); }; |
| 2102 req.onerror = function() { callback(this.error); }; |
| 2103 },reconcile:function (src, dst, callback) { |
| 2104 var total = 0; |
| 2105 |
| 2106 var create = []; |
| 2107 Object.keys(src.entries).forEach(function (key) { |
| 2108 var e = src.entries[key]; |
| 2109 var e2 = dst.entries[key]; |
| 2110 if (!e2 || e.timestamp > e2.timestamp) { |
| 2111 create.push(key); |
| 2112 total++; |
| 2113 } |
| 2114 }); |
| 2115 |
| 2116 var remove = []; |
| 2117 Object.keys(dst.entries).forEach(function (key) { |
| 2118 var e = dst.entries[key]; |
| 2119 var e2 = src.entries[key]; |
| 2120 if (!e2) { |
| 2121 remove.push(key); |
| 2122 total++; |
| 2123 } |
| 2124 }); |
| 2125 |
| 2126 if (!total) { |
| 2127 return callback(null); |
| 2128 } |
| 2129 |
| 2130 var errored = false; |
| 2131 var completed = 0; |
| 2132 var db = src.type === 'remote' ? src.db : dst.db; |
| 2133 var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readwrite'); |
| 2134 var store = transaction.objectStore(IDBFS.DB_STORE_NAME); |
| 2135 |
| 2136 function done(err) { |
| 2137 if (err) { |
| 2138 if (!done.errored) { |
| 2139 done.errored = true; |
| 2140 return callback(err); |
| 2141 } |
| 2142 return; |
| 2143 } |
| 2144 if (++completed >= total) { |
| 2145 return callback(null); |
| 2146 } |
| 2147 }; |
| 2148 |
| 2149 transaction.onerror = function() { done(this.error); }; |
| 2150 |
| 2151 // sort paths in ascending order so directory entries are created |
| 2152 // before the files inside them |
| 2153 create.sort().forEach(function (path) { |
| 2154 if (dst.type === 'local') { |
| 2155 IDBFS.loadRemoteEntry(store, path, function (err, entry) { |
| 2156 if (err) return done(err); |
| 2157 IDBFS.storeLocalEntry(path, entry, done); |
| 2158 }); |
| 2159 } else { |
| 2160 IDBFS.loadLocalEntry(path, function (err, entry) { |
| 2161 if (err) return done(err); |
| 2162 IDBFS.storeRemoteEntry(store, path, entry, done); |
| 2163 }); |
| 2164 } |
| 2165 }); |
| 2166 |
| 2167 // sort paths in descending order so files are deleted before their |
| 2168 // parent directories |
| 2169 remove.sort().reverse().forEach(function(path) { |
| 2170 if (dst.type === 'local') { |
| 2171 IDBFS.removeLocalEntry(path, done); |
| 2172 } else { |
| 2173 IDBFS.removeRemoteEntry(store, path, done); |
| 2174 } |
| 2175 }); |
| 2176 }}; |
| 2177 |
| 2178 var NODEFS={isWindows:false,staticInit:function () { |
| 2179 NODEFS.isWindows = !!process.platform.match(/^win/); |
| 2180 },mount:function (mount) { |
| 2181 assert(ENVIRONMENT_IS_NODE); |
| 2182 return NODEFS.createNode(null, '/', NODEFS.getMode(mount.opts.root), 0); |
| 2183 },createNode:function (parent, name, mode, dev) { |
| 2184 if (!FS.isDir(mode) && !FS.isFile(mode) && !FS.isLink(mode)) { |
| 2185 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 2186 } |
| 2187 var node = FS.createNode(parent, name, mode); |
| 2188 node.node_ops = NODEFS.node_ops; |
| 2189 node.stream_ops = NODEFS.stream_ops; |
| 2190 return node; |
| 2191 },getMode:function (path) { |
| 2192 var stat; |
| 2193 try { |
| 2194 stat = fs.lstatSync(path); |
| 2195 if (NODEFS.isWindows) { |
| 2196 // On Windows, directories return permission bits 'rw-rw-rw-', even
though they have 'rwxrwxrwx', so |
| 2197 // propagate write bits to execute bits. |
| 2198 stat.mode = stat.mode | ((stat.mode & 146) >> 1); |
| 2199 } |
| 2200 } catch (e) { |
| 2201 if (!e.code) throw e; |
| 2202 throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2203 } |
| 2204 return stat.mode; |
| 2205 },realPath:function (node) { |
| 2206 var parts = []; |
| 2207 while (node.parent !== node) { |
| 2208 parts.push(node.name); |
| 2209 node = node.parent; |
| 2210 } |
| 2211 parts.push(node.mount.opts.root); |
| 2212 parts.reverse(); |
| 2213 return PATH.join.apply(null, parts); |
| 2214 },flagsToPermissionStringMap:{0:"r",1:"r+",2:"r+",64:"r",65:"r+",66:"r+",1
29:"rx+",193:"rx+",514:"w+",577:"w",578:"w+",705:"wx",706:"wx+",1024:"a",1025:"a
",1026:"a+",1089:"a",1090:"a+",1153:"ax",1154:"ax+",1217:"ax",1218:"ax+",4096:"r
s",4098:"rs+"},flagsToPermissionString:function (flags) { |
| 2215 if (flags in NODEFS.flagsToPermissionStringMap) { |
| 2216 return NODEFS.flagsToPermissionStringMap[flags]; |
| 2217 } else { |
| 2218 return flags; |
| 2219 } |
| 2220 },node_ops:{getattr:function (node) { |
| 2221 var path = NODEFS.realPath(node); |
| 2222 var stat; |
| 2223 try { |
| 2224 stat = fs.lstatSync(path); |
| 2225 } catch (e) { |
| 2226 if (!e.code) throw e; |
| 2227 throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2228 } |
| 2229 // node.js v0.10.20 doesn't report blksize and blocks on Windows. Fake
them with default blksize of 4096. |
| 2230 // See http://support.microsoft.com/kb/140365 |
| 2231 if (NODEFS.isWindows && !stat.blksize) { |
| 2232 stat.blksize = 4096; |
| 2233 } |
| 2234 if (NODEFS.isWindows && !stat.blocks) { |
| 2235 stat.blocks = (stat.size+stat.blksize-1)/stat.blksize|0; |
| 2236 } |
| 2237 return { |
| 2238 dev: stat.dev, |
| 2239 ino: stat.ino, |
| 2240 mode: stat.mode, |
| 2241 nlink: stat.nlink, |
| 2242 uid: stat.uid, |
| 2243 gid: stat.gid, |
| 2244 rdev: stat.rdev, |
| 2245 size: stat.size, |
| 2246 atime: stat.atime, |
| 2247 mtime: stat.mtime, |
| 2248 ctime: stat.ctime, |
| 2249 blksize: stat.blksize, |
| 2250 blocks: stat.blocks |
| 2251 }; |
| 2252 },setattr:function (node, attr) { |
| 2253 var path = NODEFS.realPath(node); |
| 2254 try { |
| 2255 if (attr.mode !== undefined) { |
| 2256 fs.chmodSync(path, attr.mode); |
| 2257 // update the common node structure mode as well |
| 2258 node.mode = attr.mode; |
| 2259 } |
| 2260 if (attr.timestamp !== undefined) { |
| 2261 var date = new Date(attr.timestamp); |
| 2262 fs.utimesSync(path, date, date); |
| 2263 } |
| 2264 if (attr.size !== undefined) { |
| 2265 fs.truncateSync(path, attr.size); |
| 2266 } |
| 2267 } catch (e) { |
| 2268 if (!e.code) throw e; |
| 2269 throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2270 } |
| 2271 },lookup:function (parent, name) { |
| 2272 var path = PATH.join2(NODEFS.realPath(parent), name); |
| 2273 var mode = NODEFS.getMode(path); |
| 2274 return NODEFS.createNode(parent, name, mode); |
| 2275 },mknod:function (parent, name, mode, dev) { |
| 2276 var node = NODEFS.createNode(parent, name, mode, dev); |
| 2277 // create the backing node for this in the fs root as well |
| 2278 var path = NODEFS.realPath(node); |
| 2279 try { |
| 2280 if (FS.isDir(node.mode)) { |
| 2281 fs.mkdirSync(path, node.mode); |
| 2282 } else { |
| 2283 fs.writeFileSync(path, '', { mode: node.mode }); |
| 2284 } |
| 2285 } catch (e) { |
| 2286 if (!e.code) throw e; |
| 2287 throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2288 } |
| 2289 return node; |
| 2290 },rename:function (oldNode, newDir, newName) { |
| 2291 var oldPath = NODEFS.realPath(oldNode); |
| 2292 var newPath = PATH.join2(NODEFS.realPath(newDir), newName); |
| 2293 try { |
| 2294 fs.renameSync(oldPath, newPath); |
| 2295 } catch (e) { |
| 2296 if (!e.code) throw e; |
| 2297 throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2298 } |
| 2299 },unlink:function (parent, name) { |
| 2300 var path = PATH.join2(NODEFS.realPath(parent), name); |
| 2301 try { |
| 2302 fs.unlinkSync(path); |
| 2303 } catch (e) { |
| 2304 if (!e.code) throw e; |
| 2305 throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2306 } |
| 2307 },rmdir:function (parent, name) { |
| 2308 var path = PATH.join2(NODEFS.realPath(parent), name); |
| 2309 try { |
| 2310 fs.rmdirSync(path); |
| 2311 } catch (e) { |
| 2312 if (!e.code) throw e; |
| 2313 throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2314 } |
| 2315 },readdir:function (node) { |
| 2316 var path = NODEFS.realPath(node); |
| 2317 try { |
| 2318 return fs.readdirSync(path); |
| 2319 } catch (e) { |
| 2320 if (!e.code) throw e; |
| 2321 throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2322 } |
| 2323 },symlink:function (parent, newName, oldPath) { |
| 2324 var newPath = PATH.join2(NODEFS.realPath(parent), newName); |
| 2325 try { |
| 2326 fs.symlinkSync(oldPath, newPath); |
| 2327 } catch (e) { |
| 2328 if (!e.code) throw e; |
| 2329 throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2330 } |
| 2331 },readlink:function (node) { |
| 2332 var path = NODEFS.realPath(node); |
| 2333 try { |
| 2334 return fs.readlinkSync(path); |
| 2335 } catch (e) { |
| 2336 if (!e.code) throw e; |
| 2337 throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2338 } |
| 2339 }},stream_ops:{open:function (stream) { |
| 2340 var path = NODEFS.realPath(stream.node); |
| 2341 try { |
| 2342 if (FS.isFile(stream.node.mode)) { |
| 2343 stream.nfd = fs.openSync(path, NODEFS.flagsToPermissionString(stre
am.flags)); |
| 2344 } |
| 2345 } catch (e) { |
| 2346 if (!e.code) throw e; |
| 2347 throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2348 } |
| 2349 },close:function (stream) { |
| 2350 try { |
| 2351 if (FS.isFile(stream.node.mode) && stream.nfd) { |
| 2352 fs.closeSync(stream.nfd); |
| 2353 } |
| 2354 } catch (e) { |
| 2355 if (!e.code) throw e; |
| 2356 throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2357 } |
| 2358 },read:function (stream, buffer, offset, length, position) { |
| 2359 // FIXME this is terrible. |
| 2360 var nbuffer = new Buffer(length); |
| 2361 var res; |
| 2362 try { |
| 2363 res = fs.readSync(stream.nfd, nbuffer, 0, length, position); |
| 2364 } catch (e) { |
| 2365 throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2366 } |
| 2367 if (res > 0) { |
| 2368 for (var i = 0; i < res; i++) { |
| 2369 buffer[offset + i] = nbuffer[i]; |
| 2370 } |
| 2371 } |
| 2372 return res; |
| 2373 },write:function (stream, buffer, offset, length, position) { |
| 2374 // FIXME this is terrible. |
| 2375 var nbuffer = new Buffer(buffer.subarray(offset, offset + length)); |
| 2376 var res; |
| 2377 try { |
| 2378 res = fs.writeSync(stream.nfd, nbuffer, 0, length, position); |
| 2379 } catch (e) { |
| 2380 throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2381 } |
| 2382 return res; |
| 2383 },llseek:function (stream, offset, whence) { |
| 2384 var position = offset; |
| 2385 if (whence === 1) { // SEEK_CUR. |
| 2386 position += stream.position; |
| 2387 } else if (whence === 2) { // SEEK_END. |
| 2388 if (FS.isFile(stream.node.mode)) { |
| 2389 try { |
| 2390 var stat = fs.fstatSync(stream.nfd); |
| 2391 position += stat.size; |
| 2392 } catch (e) { |
| 2393 throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2394 } |
| 2395 } |
| 2396 } |
| 2397 |
| 2398 if (position < 0) { |
| 2399 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 2400 } |
| 2401 |
| 2402 stream.position = position; |
| 2403 return position; |
| 2404 }}}; |
| 2405 |
| 2406 var _stdin=allocate(1, "i32*", ALLOC_STATIC); |
| 2407 |
| 2408 var _stdout=allocate(1, "i32*", ALLOC_STATIC); |
| 2409 |
| 2410 var _stderr=allocate(1, "i32*", ALLOC_STATIC); |
| 2411 |
| 2412 function _fflush(stream) { |
| 2413 // int fflush(FILE *stream); |
| 2414 // http://pubs.opengroup.org/onlinepubs/000095399/functions/fflush.html |
| 2415 // we don't currently perform any user-space buffering of data |
| 2416 }var FS={root:null,mounts:[],devices:[null],streams:[],nextInode:1,nameTable
:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:null,g
enericErrors:{},handleFSError:function (e) { |
| 2417 if (!(e instanceof FS.ErrnoError)) throw e + ' : ' + stackTrace(); |
| 2418 return ___setErrNo(e.errno); |
| 2419 },lookupPath:function (path, opts) { |
| 2420 path = PATH.resolve(FS.cwd(), path); |
| 2421 opts = opts || {}; |
| 2422 |
| 2423 var defaults = { |
| 2424 follow_mount: true, |
| 2425 recurse_count: 0 |
| 2426 }; |
| 2427 for (var key in defaults) { |
| 2428 if (opts[key] === undefined) { |
| 2429 opts[key] = defaults[key]; |
| 2430 } |
| 2431 } |
| 2432 |
| 2433 if (opts.recurse_count > 8) { // max recursive lookup of 8 |
| 2434 throw new FS.ErrnoError(ERRNO_CODES.ELOOP); |
| 2435 } |
| 2436 |
| 2437 // split the path |
| 2438 var parts = PATH.normalizeArray(path.split('/').filter(function(p) { |
| 2439 return !!p; |
| 2440 }), false); |
| 2441 |
| 2442 // start at the root |
| 2443 var current = FS.root; |
| 2444 var current_path = '/'; |
| 2445 |
| 2446 for (var i = 0; i < parts.length; i++) { |
| 2447 var islast = (i === parts.length-1); |
| 2448 if (islast && opts.parent) { |
| 2449 // stop resolving |
| 2450 break; |
| 2451 } |
| 2452 |
| 2453 current = FS.lookupNode(current, parts[i]); |
| 2454 current_path = PATH.join2(current_path, parts[i]); |
| 2455 |
| 2456 // jump to the mount's root node if this is a mountpoint |
| 2457 if (FS.isMountpoint(current)) { |
| 2458 if (!islast || (islast && opts.follow_mount)) { |
| 2459 current = current.mounted.root; |
| 2460 } |
| 2461 } |
| 2462 |
| 2463 // by default, lookupPath will not follow a symlink if it is the final
path component. |
| 2464 // setting opts.follow = true will override this behavior. |
| 2465 if (!islast || opts.follow) { |
| 2466 var count = 0; |
| 2467 while (FS.isLink(current.mode)) { |
| 2468 var link = FS.readlink(current_path); |
| 2469 current_path = PATH.resolve(PATH.dirname(current_path), link); |
| 2470 |
| 2471 var lookup = FS.lookupPath(current_path, { recurse_count: opts.rec
urse_count }); |
| 2472 current = lookup.node; |
| 2473 |
| 2474 if (count++ > 40) { // limit max consecutive symlinks to 40 (SYML
OOP_MAX). |
| 2475 throw new FS.ErrnoError(ERRNO_CODES.ELOOP); |
| 2476 } |
| 2477 } |
| 2478 } |
| 2479 } |
| 2480 |
| 2481 return { path: current_path, node: current }; |
| 2482 },getPath:function (node) { |
| 2483 var path; |
| 2484 while (true) { |
| 2485 if (FS.isRoot(node)) { |
| 2486 var mount = node.mount.mountpoint; |
| 2487 if (!path) return mount; |
| 2488 return mount[mount.length-1] !== '/' ? mount + '/' + path : mount +
path; |
| 2489 } |
| 2490 path = path ? node.name + '/' + path : node.name; |
| 2491 node = node.parent; |
| 2492 } |
| 2493 },hashName:function (parentid, name) { |
| 2494 var hash = 0; |
| 2495 |
| 2496 |
| 2497 for (var i = 0; i < name.length; i++) { |
| 2498 hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0; |
| 2499 } |
| 2500 return ((parentid + hash) >>> 0) % FS.nameTable.length; |
| 2501 },hashAddNode:function (node) { |
| 2502 var hash = FS.hashName(node.parent.id, node.name); |
| 2503 node.name_next = FS.nameTable[hash]; |
| 2504 FS.nameTable[hash] = node; |
| 2505 },hashRemoveNode:function (node) { |
| 2506 var hash = FS.hashName(node.parent.id, node.name); |
| 2507 if (FS.nameTable[hash] === node) { |
| 2508 FS.nameTable[hash] = node.name_next; |
| 2509 } else { |
| 2510 var current = FS.nameTable[hash]; |
| 2511 while (current) { |
| 2512 if (current.name_next === node) { |
| 2513 current.name_next = node.name_next; |
| 2514 break; |
| 2515 } |
| 2516 current = current.name_next; |
| 2517 } |
| 2518 } |
| 2519 },lookupNode:function (parent, name) { |
| 2520 var err = FS.mayLookup(parent); |
| 2521 if (err) { |
| 2522 throw new FS.ErrnoError(err); |
| 2523 } |
| 2524 var hash = FS.hashName(parent.id, name); |
| 2525 for (var node = FS.nameTable[hash]; node; node = node.name_next) { |
| 2526 var nodeName = node.name; |
| 2527 if (node.parent.id === parent.id && nodeName === name) { |
| 2528 return node; |
| 2529 } |
| 2530 } |
| 2531 // if we failed to find it in the cache, call into the VFS |
| 2532 return FS.lookup(parent, name); |
| 2533 },createNode:function (parent, name, mode, rdev) { |
| 2534 if (!FS.FSNode) { |
| 2535 FS.FSNode = function(parent, name, mode, rdev) { |
| 2536 if (!parent) { |
| 2537 parent = this; // root node sets parent to itself |
| 2538 } |
| 2539 this.parent = parent; |
| 2540 this.mount = parent.mount; |
| 2541 this.mounted = null; |
| 2542 this.id = FS.nextInode++; |
| 2543 this.name = name; |
| 2544 this.mode = mode; |
| 2545 this.node_ops = {}; |
| 2546 this.stream_ops = {}; |
| 2547 this.rdev = rdev; |
| 2548 }; |
| 2549 |
| 2550 FS.FSNode.prototype = {}; |
| 2551 |
| 2552 // compatibility |
| 2553 var readMode = 292 | 73; |
| 2554 var writeMode = 146; |
| 2555 |
| 2556 // NOTE we must use Object.defineProperties instead of individual call
s to |
| 2557 // Object.defineProperty in order to make closure compiler happy |
| 2558 Object.defineProperties(FS.FSNode.prototype, { |
| 2559 read: { |
| 2560 get: function() { return (this.mode & readMode) === readMode; }, |
| 2561 set: function(val) { val ? this.mode |= readMode : this.mode &= ~r
eadMode; } |
| 2562 }, |
| 2563 write: { |
| 2564 get: function() { return (this.mode & writeMode) === writeMode; }, |
| 2565 set: function(val) { val ? this.mode |= writeMode : this.mode &= ~
writeMode; } |
| 2566 }, |
| 2567 isFolder: { |
| 2568 get: function() { return FS.isDir(this.mode); }, |
| 2569 }, |
| 2570 isDevice: { |
| 2571 get: function() { return FS.isChrdev(this.mode); }, |
| 2572 }, |
| 2573 }); |
| 2574 } |
| 2575 |
| 2576 var node = new FS.FSNode(parent, name, mode, rdev); |
| 2577 |
| 2578 FS.hashAddNode(node); |
| 2579 |
| 2580 return node; |
| 2581 },destroyNode:function (node) { |
| 2582 FS.hashRemoveNode(node); |
| 2583 },isRoot:function (node) { |
| 2584 return node === node.parent; |
| 2585 },isMountpoint:function (node) { |
| 2586 return !!node.mounted; |
| 2587 },isFile:function (mode) { |
| 2588 return (mode & 61440) === 32768; |
| 2589 },isDir:function (mode) { |
| 2590 return (mode & 61440) === 16384; |
| 2591 },isLink:function (mode) { |
| 2592 return (mode & 61440) === 40960; |
| 2593 },isChrdev:function (mode) { |
| 2594 return (mode & 61440) === 8192; |
| 2595 },isBlkdev:function (mode) { |
| 2596 return (mode & 61440) === 24576; |
| 2597 },isFIFO:function (mode) { |
| 2598 return (mode & 61440) === 4096; |
| 2599 },isSocket:function (mode) { |
| 2600 return (mode & 49152) === 49152; |
| 2601 },flagModes:{"r":0,"rs":1052672,"r+":2,"w":577,"wx":705,"xw":705,"w+":578,
"wx+":706,"xw+":706,"a":1089,"ax":1217,"xa":1217,"a+":1090,"ax+":1218,"xa+":1218
},modeStringToFlags:function (str) { |
| 2602 var flags = FS.flagModes[str]; |
| 2603 if (typeof flags === 'undefined') { |
| 2604 throw new Error('Unknown file open mode: ' + str); |
| 2605 } |
| 2606 return flags; |
| 2607 },flagsToPermissionString:function (flag) { |
| 2608 var accmode = flag & 2097155; |
| 2609 var perms = ['r', 'w', 'rw'][accmode]; |
| 2610 if ((flag & 512)) { |
| 2611 perms += 'w'; |
| 2612 } |
| 2613 return perms; |
| 2614 },nodePermissions:function (node, perms) { |
| 2615 if (FS.ignorePermissions) { |
| 2616 return 0; |
| 2617 } |
| 2618 // return 0 if any user, group or owner bits are set. |
| 2619 if (perms.indexOf('r') !== -1 && !(node.mode & 292)) { |
| 2620 return ERRNO_CODES.EACCES; |
| 2621 } else if (perms.indexOf('w') !== -1 && !(node.mode & 146)) { |
| 2622 return ERRNO_CODES.EACCES; |
| 2623 } else if (perms.indexOf('x') !== -1 && !(node.mode & 73)) { |
| 2624 return ERRNO_CODES.EACCES; |
| 2625 } |
| 2626 return 0; |
| 2627 },mayLookup:function (dir) { |
| 2628 return FS.nodePermissions(dir, 'x'); |
| 2629 },mayCreate:function (dir, name) { |
| 2630 try { |
| 2631 var node = FS.lookupNode(dir, name); |
| 2632 return ERRNO_CODES.EEXIST; |
| 2633 } catch (e) { |
| 2634 } |
| 2635 return FS.nodePermissions(dir, 'wx'); |
| 2636 },mayDelete:function (dir, name, isdir) { |
| 2637 var node; |
| 2638 try { |
| 2639 node = FS.lookupNode(dir, name); |
| 2640 } catch (e) { |
| 2641 return e.errno; |
| 2642 } |
| 2643 var err = FS.nodePermissions(dir, 'wx'); |
| 2644 if (err) { |
| 2645 return err; |
| 2646 } |
| 2647 if (isdir) { |
| 2648 if (!FS.isDir(node.mode)) { |
| 2649 return ERRNO_CODES.ENOTDIR; |
| 2650 } |
| 2651 if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) { |
| 2652 return ERRNO_CODES.EBUSY; |
| 2653 } |
| 2654 } else { |
| 2655 if (FS.isDir(node.mode)) { |
| 2656 return ERRNO_CODES.EISDIR; |
| 2657 } |
| 2658 } |
| 2659 return 0; |
| 2660 },mayOpen:function (node, flags) { |
| 2661 if (!node) { |
| 2662 return ERRNO_CODES.ENOENT; |
| 2663 } |
| 2664 if (FS.isLink(node.mode)) { |
| 2665 return ERRNO_CODES.ELOOP; |
| 2666 } else if (FS.isDir(node.mode)) { |
| 2667 if ((flags & 2097155) !== 0 || // opening for write |
| 2668 (flags & 512)) { |
| 2669 return ERRNO_CODES.EISDIR; |
| 2670 } |
| 2671 } |
| 2672 return FS.nodePermissions(node, FS.flagsToPermissionString(flags)); |
| 2673 },MAX_OPEN_FDS:4096,nextfd:function (fd_start, fd_end) { |
| 2674 fd_start = fd_start || 0; |
| 2675 fd_end = fd_end || FS.MAX_OPEN_FDS; |
| 2676 for (var fd = fd_start; fd <= fd_end; fd++) { |
| 2677 if (!FS.streams[fd]) { |
| 2678 return fd; |
| 2679 } |
| 2680 } |
| 2681 throw new FS.ErrnoError(ERRNO_CODES.EMFILE); |
| 2682 },getStream:function (fd) { |
| 2683 return FS.streams[fd]; |
| 2684 },createStream:function (stream, fd_start, fd_end) { |
| 2685 if (!FS.FSStream) { |
| 2686 FS.FSStream = function(){}; |
| 2687 FS.FSStream.prototype = {}; |
| 2688 // compatibility |
| 2689 Object.defineProperties(FS.FSStream.prototype, { |
| 2690 object: { |
| 2691 get: function() { return this.node; }, |
| 2692 set: function(val) { this.node = val; } |
| 2693 }, |
| 2694 isRead: { |
| 2695 get: function() { return (this.flags & 2097155) !== 1; } |
| 2696 }, |
| 2697 isWrite: { |
| 2698 get: function() { return (this.flags & 2097155) !== 0; } |
| 2699 }, |
| 2700 isAppend: { |
| 2701 get: function() { return (this.flags & 1024); } |
| 2702 } |
| 2703 }); |
| 2704 } |
| 2705 if (0) { |
| 2706 // reuse the object |
| 2707 stream.__proto__ = FS.FSStream.prototype; |
| 2708 } else { |
| 2709 var newStream = new FS.FSStream(); |
| 2710 for (var p in stream) { |
| 2711 newStream[p] = stream[p]; |
| 2712 } |
| 2713 stream = newStream; |
| 2714 } |
| 2715 var fd = FS.nextfd(fd_start, fd_end); |
| 2716 stream.fd = fd; |
| 2717 FS.streams[fd] = stream; |
| 2718 return stream; |
| 2719 },closeStream:function (fd) { |
| 2720 FS.streams[fd] = null; |
| 2721 },getStreamFromPtr:function (ptr) { |
| 2722 return FS.streams[ptr - 1]; |
| 2723 },getPtrForStream:function (stream) { |
| 2724 return stream ? stream.fd + 1 : 0; |
| 2725 },chrdev_stream_ops:{open:function (stream) { |
| 2726 var device = FS.getDevice(stream.node.rdev); |
| 2727 // override node's stream ops with the device's |
| 2728 stream.stream_ops = device.stream_ops; |
| 2729 // forward the open call |
| 2730 if (stream.stream_ops.open) { |
| 2731 stream.stream_ops.open(stream); |
| 2732 } |
| 2733 },llseek:function () { |
| 2734 throw new FS.ErrnoError(ERRNO_CODES.ESPIPE); |
| 2735 }},major:function (dev) { |
| 2736 return ((dev) >> 8); |
| 2737 },minor:function (dev) { |
| 2738 return ((dev) & 0xff); |
| 2739 },makedev:function (ma, mi) { |
| 2740 return ((ma) << 8 | (mi)); |
| 2741 },registerDevice:function (dev, ops) { |
| 2742 FS.devices[dev] = { stream_ops: ops }; |
| 2743 },getDevice:function (dev) { |
| 2744 return FS.devices[dev]; |
| 2745 },getMounts:function (mount) { |
| 2746 var mounts = []; |
| 2747 var check = [mount]; |
| 2748 |
| 2749 while (check.length) { |
| 2750 var m = check.pop(); |
| 2751 |
| 2752 mounts.push(m); |
| 2753 |
| 2754 check.push.apply(check, m.mounts); |
| 2755 } |
| 2756 |
| 2757 return mounts; |
| 2758 },syncfs:function (populate, callback) { |
| 2759 if (typeof(populate) === 'function') { |
| 2760 callback = populate; |
| 2761 populate = false; |
| 2762 } |
| 2763 |
| 2764 var mounts = FS.getMounts(FS.root.mount); |
| 2765 var completed = 0; |
| 2766 |
| 2767 function done(err) { |
| 2768 if (err) { |
| 2769 if (!done.errored) { |
| 2770 done.errored = true; |
| 2771 return callback(err); |
| 2772 } |
| 2773 return; |
| 2774 } |
| 2775 if (++completed >= mounts.length) { |
| 2776 callback(null); |
| 2777 } |
| 2778 }; |
| 2779 |
| 2780 // sync all mounts |
| 2781 mounts.forEach(function (mount) { |
| 2782 if (!mount.type.syncfs) { |
| 2783 return done(null); |
| 2784 } |
| 2785 mount.type.syncfs(mount, populate, done); |
| 2786 }); |
| 2787 },mount:function (type, opts, mountpoint) { |
| 2788 var root = mountpoint === '/'; |
| 2789 var pseudo = !mountpoint; |
| 2790 var node; |
| 2791 |
| 2792 if (root && FS.root) { |
| 2793 throw new FS.ErrnoError(ERRNO_CODES.EBUSY); |
| 2794 } else if (!root && !pseudo) { |
| 2795 var lookup = FS.lookupPath(mountpoint, { follow_mount: false }); |
| 2796 |
| 2797 mountpoint = lookup.path; // use the absolute path |
| 2798 node = lookup.node; |
| 2799 |
| 2800 if (FS.isMountpoint(node)) { |
| 2801 throw new FS.ErrnoError(ERRNO_CODES.EBUSY); |
| 2802 } |
| 2803 |
| 2804 if (!FS.isDir(node.mode)) { |
| 2805 throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR); |
| 2806 } |
| 2807 } |
| 2808 |
| 2809 var mount = { |
| 2810 type: type, |
| 2811 opts: opts, |
| 2812 mountpoint: mountpoint, |
| 2813 mounts: [] |
| 2814 }; |
| 2815 |
| 2816 // create a root node for the fs |
| 2817 var mountRoot = type.mount(mount); |
| 2818 mountRoot.mount = mount; |
| 2819 mount.root = mountRoot; |
| 2820 |
| 2821 if (root) { |
| 2822 FS.root = mountRoot; |
| 2823 } else if (node) { |
| 2824 // set as a mountpoint |
| 2825 node.mounted = mount; |
| 2826 |
| 2827 // add the new mount to the current mount's children |
| 2828 if (node.mount) { |
| 2829 node.mount.mounts.push(mount); |
| 2830 } |
| 2831 } |
| 2832 |
| 2833 return mountRoot; |
| 2834 },unmount:function (mountpoint) { |
| 2835 var lookup = FS.lookupPath(mountpoint, { follow_mount: false }); |
| 2836 |
| 2837 if (!FS.isMountpoint(lookup.node)) { |
| 2838 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 2839 } |
| 2840 |
| 2841 // destroy the nodes for this mount, and all its child mounts |
| 2842 var node = lookup.node; |
| 2843 var mount = node.mounted; |
| 2844 var mounts = FS.getMounts(mount); |
| 2845 |
| 2846 Object.keys(FS.nameTable).forEach(function (hash) { |
| 2847 var current = FS.nameTable[hash]; |
| 2848 |
| 2849 while (current) { |
| 2850 var next = current.name_next; |
| 2851 |
| 2852 if (mounts.indexOf(current.mount) !== -1) { |
| 2853 FS.destroyNode(current); |
| 2854 } |
| 2855 |
| 2856 current = next; |
| 2857 } |
| 2858 }); |
| 2859 |
| 2860 // no longer a mountpoint |
| 2861 node.mounted = null; |
| 2862 |
| 2863 // remove this mount from the child mounts |
| 2864 var idx = node.mount.mounts.indexOf(mount); |
| 2865 assert(idx !== -1); |
| 2866 node.mount.mounts.splice(idx, 1); |
| 2867 },lookup:function (parent, name) { |
| 2868 return parent.node_ops.lookup(parent, name); |
| 2869 },mknod:function (path, mode, dev) { |
| 2870 var lookup = FS.lookupPath(path, { parent: true }); |
| 2871 var parent = lookup.node; |
| 2872 var name = PATH.basename(path); |
| 2873 var err = FS.mayCreate(parent, name); |
| 2874 if (err) { |
| 2875 throw new FS.ErrnoError(err); |
| 2876 } |
| 2877 if (!parent.node_ops.mknod) { |
| 2878 throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 2879 } |
| 2880 return parent.node_ops.mknod(parent, name, mode, dev); |
| 2881 },create:function (path, mode) { |
| 2882 mode = mode !== undefined ? mode : 438 /* 0666 */; |
| 2883 mode &= 4095; |
| 2884 mode |= 32768; |
| 2885 return FS.mknod(path, mode, 0); |
| 2886 },mkdir:function (path, mode) { |
| 2887 mode = mode !== undefined ? mode : 511 /* 0777 */; |
| 2888 mode &= 511 | 512; |
| 2889 mode |= 16384; |
| 2890 return FS.mknod(path, mode, 0); |
| 2891 },mkdev:function (path, mode, dev) { |
| 2892 if (typeof(dev) === 'undefined') { |
| 2893 dev = mode; |
| 2894 mode = 438 /* 0666 */; |
| 2895 } |
| 2896 mode |= 8192; |
| 2897 return FS.mknod(path, mode, dev); |
| 2898 },symlink:function (oldpath, newpath) { |
| 2899 var lookup = FS.lookupPath(newpath, { parent: true }); |
| 2900 var parent = lookup.node; |
| 2901 var newname = PATH.basename(newpath); |
| 2902 var err = FS.mayCreate(parent, newname); |
| 2903 if (err) { |
| 2904 throw new FS.ErrnoError(err); |
| 2905 } |
| 2906 if (!parent.node_ops.symlink) { |
| 2907 throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 2908 } |
| 2909 return parent.node_ops.symlink(parent, newname, oldpath); |
| 2910 },rename:function (old_path, new_path) { |
| 2911 var old_dirname = PATH.dirname(old_path); |
| 2912 var new_dirname = PATH.dirname(new_path); |
| 2913 var old_name = PATH.basename(old_path); |
| 2914 var new_name = PATH.basename(new_path); |
| 2915 // parents must exist |
| 2916 var lookup, old_dir, new_dir; |
| 2917 try { |
| 2918 lookup = FS.lookupPath(old_path, { parent: true }); |
| 2919 old_dir = lookup.node; |
| 2920 lookup = FS.lookupPath(new_path, { parent: true }); |
| 2921 new_dir = lookup.node; |
| 2922 } catch (e) { |
| 2923 throw new FS.ErrnoError(ERRNO_CODES.EBUSY); |
| 2924 } |
| 2925 // need to be part of the same mount |
| 2926 if (old_dir.mount !== new_dir.mount) { |
| 2927 throw new FS.ErrnoError(ERRNO_CODES.EXDEV); |
| 2928 } |
| 2929 // source must exist |
| 2930 var old_node = FS.lookupNode(old_dir, old_name); |
| 2931 // old path should not be an ancestor of the new path |
| 2932 var relative = PATH.relative(old_path, new_dirname); |
| 2933 if (relative.charAt(0) !== '.') { |
| 2934 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 2935 } |
| 2936 // new path should not be an ancestor of the old path |
| 2937 relative = PATH.relative(new_path, old_dirname); |
| 2938 if (relative.charAt(0) !== '.') { |
| 2939 throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY); |
| 2940 } |
| 2941 // see if the new path already exists |
| 2942 var new_node; |
| 2943 try { |
| 2944 new_node = FS.lookupNode(new_dir, new_name); |
| 2945 } catch (e) { |
| 2946 // not fatal |
| 2947 } |
| 2948 // early out if nothing needs to change |
| 2949 if (old_node === new_node) { |
| 2950 return; |
| 2951 } |
| 2952 // we'll need to delete the old entry |
| 2953 var isdir = FS.isDir(old_node.mode); |
| 2954 var err = FS.mayDelete(old_dir, old_name, isdir); |
| 2955 if (err) { |
| 2956 throw new FS.ErrnoError(err); |
| 2957 } |
| 2958 // need delete permissions if we'll be overwriting. |
| 2959 // need create permissions if new doesn't already exist. |
| 2960 err = new_node ? |
| 2961 FS.mayDelete(new_dir, new_name, isdir) : |
| 2962 FS.mayCreate(new_dir, new_name); |
| 2963 if (err) { |
| 2964 throw new FS.ErrnoError(err); |
| 2965 } |
| 2966 if (!old_dir.node_ops.rename) { |
| 2967 throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 2968 } |
| 2969 if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))
) { |
| 2970 throw new FS.ErrnoError(ERRNO_CODES.EBUSY); |
| 2971 } |
| 2972 // if we are going to change the parent, check write permissions |
| 2973 if (new_dir !== old_dir) { |
| 2974 err = FS.nodePermissions(old_dir, 'w'); |
| 2975 if (err) { |
| 2976 throw new FS.ErrnoError(err); |
| 2977 } |
| 2978 } |
| 2979 // remove the node from the lookup hash |
| 2980 FS.hashRemoveNode(old_node); |
| 2981 // do the underlying fs rename |
| 2982 try { |
| 2983 old_dir.node_ops.rename(old_node, new_dir, new_name); |
| 2984 } catch (e) { |
| 2985 throw e; |
| 2986 } finally { |
| 2987 // add the node back to the hash (in case node_ops.rename |
| 2988 // changed its name) |
| 2989 FS.hashAddNode(old_node); |
| 2990 } |
| 2991 },rmdir:function (path) { |
| 2992 var lookup = FS.lookupPath(path, { parent: true }); |
| 2993 var parent = lookup.node; |
| 2994 var name = PATH.basename(path); |
| 2995 var node = FS.lookupNode(parent, name); |
| 2996 var err = FS.mayDelete(parent, name, true); |
| 2997 if (err) { |
| 2998 throw new FS.ErrnoError(err); |
| 2999 } |
| 3000 if (!parent.node_ops.rmdir) { |
| 3001 throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 3002 } |
| 3003 if (FS.isMountpoint(node)) { |
| 3004 throw new FS.ErrnoError(ERRNO_CODES.EBUSY); |
| 3005 } |
| 3006 parent.node_ops.rmdir(parent, name); |
| 3007 FS.destroyNode(node); |
| 3008 },readdir:function (path) { |
| 3009 var lookup = FS.lookupPath(path, { follow: true }); |
| 3010 var node = lookup.node; |
| 3011 if (!node.node_ops.readdir) { |
| 3012 throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR); |
| 3013 } |
| 3014 return node.node_ops.readdir(node); |
| 3015 },unlink:function (path) { |
| 3016 var lookup = FS.lookupPath(path, { parent: true }); |
| 3017 var parent = lookup.node; |
| 3018 var name = PATH.basename(path); |
| 3019 var node = FS.lookupNode(parent, name); |
| 3020 var err = FS.mayDelete(parent, name, false); |
| 3021 if (err) { |
| 3022 // POSIX says unlink should set EPERM, not EISDIR |
| 3023 if (err === ERRNO_CODES.EISDIR) err = ERRNO_CODES.EPERM; |
| 3024 throw new FS.ErrnoError(err); |
| 3025 } |
| 3026 if (!parent.node_ops.unlink) { |
| 3027 throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 3028 } |
| 3029 if (FS.isMountpoint(node)) { |
| 3030 throw new FS.ErrnoError(ERRNO_CODES.EBUSY); |
| 3031 } |
| 3032 parent.node_ops.unlink(parent, name); |
| 3033 FS.destroyNode(node); |
| 3034 },readlink:function (path) { |
| 3035 var lookup = FS.lookupPath(path); |
| 3036 var link = lookup.node; |
| 3037 if (!link.node_ops.readlink) { |
| 3038 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3039 } |
| 3040 return link.node_ops.readlink(link); |
| 3041 },stat:function (path, dontFollow) { |
| 3042 var lookup = FS.lookupPath(path, { follow: !dontFollow }); |
| 3043 var node = lookup.node; |
| 3044 if (!node.node_ops.getattr) { |
| 3045 throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 3046 } |
| 3047 return node.node_ops.getattr(node); |
| 3048 },lstat:function (path) { |
| 3049 return FS.stat(path, true); |
| 3050 },chmod:function (path, mode, dontFollow) { |
| 3051 var node; |
| 3052 if (typeof path === 'string') { |
| 3053 var lookup = FS.lookupPath(path, { follow: !dontFollow }); |
| 3054 node = lookup.node; |
| 3055 } else { |
| 3056 node = path; |
| 3057 } |
| 3058 if (!node.node_ops.setattr) { |
| 3059 throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 3060 } |
| 3061 node.node_ops.setattr(node, { |
| 3062 mode: (mode & 4095) | (node.mode & ~4095), |
| 3063 timestamp: Date.now() |
| 3064 }); |
| 3065 },lchmod:function (path, mode) { |
| 3066 FS.chmod(path, mode, true); |
| 3067 },fchmod:function (fd, mode) { |
| 3068 var stream = FS.getStream(fd); |
| 3069 if (!stream) { |
| 3070 throw new FS.ErrnoError(ERRNO_CODES.EBADF); |
| 3071 } |
| 3072 FS.chmod(stream.node, mode); |
| 3073 },chown:function (path, uid, gid, dontFollow) { |
| 3074 var node; |
| 3075 if (typeof path === 'string') { |
| 3076 var lookup = FS.lookupPath(path, { follow: !dontFollow }); |
| 3077 node = lookup.node; |
| 3078 } else { |
| 3079 node = path; |
| 3080 } |
| 3081 if (!node.node_ops.setattr) { |
| 3082 throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 3083 } |
| 3084 node.node_ops.setattr(node, { |
| 3085 timestamp: Date.now() |
| 3086 // we ignore the uid / gid for now |
| 3087 }); |
| 3088 },lchown:function (path, uid, gid) { |
| 3089 FS.chown(path, uid, gid, true); |
| 3090 },fchown:function (fd, uid, gid) { |
| 3091 var stream = FS.getStream(fd); |
| 3092 if (!stream) { |
| 3093 throw new FS.ErrnoError(ERRNO_CODES.EBADF); |
| 3094 } |
| 3095 FS.chown(stream.node, uid, gid); |
| 3096 },truncate:function (path, len) { |
| 3097 if (len < 0) { |
| 3098 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3099 } |
| 3100 var node; |
| 3101 if (typeof path === 'string') { |
| 3102 var lookup = FS.lookupPath(path, { follow: true }); |
| 3103 node = lookup.node; |
| 3104 } else { |
| 3105 node = path; |
| 3106 } |
| 3107 if (!node.node_ops.setattr) { |
| 3108 throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 3109 } |
| 3110 if (FS.isDir(node.mode)) { |
| 3111 throw new FS.ErrnoError(ERRNO_CODES.EISDIR); |
| 3112 } |
| 3113 if (!FS.isFile(node.mode)) { |
| 3114 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3115 } |
| 3116 var err = FS.nodePermissions(node, 'w'); |
| 3117 if (err) { |
| 3118 throw new FS.ErrnoError(err); |
| 3119 } |
| 3120 node.node_ops.setattr(node, { |
| 3121 size: len, |
| 3122 timestamp: Date.now() |
| 3123 }); |
| 3124 },ftruncate:function (fd, len) { |
| 3125 var stream = FS.getStream(fd); |
| 3126 if (!stream) { |
| 3127 throw new FS.ErrnoError(ERRNO_CODES.EBADF); |
| 3128 } |
| 3129 if ((stream.flags & 2097155) === 0) { |
| 3130 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3131 } |
| 3132 FS.truncate(stream.node, len); |
| 3133 },utime:function (path, atime, mtime) { |
| 3134 var lookup = FS.lookupPath(path, { follow: true }); |
| 3135 var node = lookup.node; |
| 3136 node.node_ops.setattr(node, { |
| 3137 timestamp: Math.max(atime, mtime) |
| 3138 }); |
| 3139 },open:function (path, flags, mode, fd_start, fd_end) { |
| 3140 flags = typeof flags === 'string' ? FS.modeStringToFlags(flags) : flags; |
| 3141 mode = typeof mode === 'undefined' ? 438 /* 0666 */ : mode; |
| 3142 if ((flags & 64)) { |
| 3143 mode = (mode & 4095) | 32768; |
| 3144 } else { |
| 3145 mode = 0; |
| 3146 } |
| 3147 var node; |
| 3148 if (typeof path === 'object') { |
| 3149 node = path; |
| 3150 } else { |
| 3151 path = PATH.normalize(path); |
| 3152 try { |
| 3153 var lookup = FS.lookupPath(path, { |
| 3154 follow: !(flags & 131072) |
| 3155 }); |
| 3156 node = lookup.node; |
| 3157 } catch (e) { |
| 3158 // ignore |
| 3159 } |
| 3160 } |
| 3161 // perhaps we need to create the node |
| 3162 if ((flags & 64)) { |
| 3163 if (node) { |
| 3164 // if O_CREAT and O_EXCL are set, error out if the node already exis
ts |
| 3165 if ((flags & 128)) { |
| 3166 throw new FS.ErrnoError(ERRNO_CODES.EEXIST); |
| 3167 } |
| 3168 } else { |
| 3169 // node doesn't exist, try to create it |
| 3170 node = FS.mknod(path, mode, 0); |
| 3171 } |
| 3172 } |
| 3173 if (!node) { |
| 3174 throw new FS.ErrnoError(ERRNO_CODES.ENOENT); |
| 3175 } |
| 3176 // can't truncate a device |
| 3177 if (FS.isChrdev(node.mode)) { |
| 3178 flags &= ~512; |
| 3179 } |
| 3180 // check permissions |
| 3181 var err = FS.mayOpen(node, flags); |
| 3182 if (err) { |
| 3183 throw new FS.ErrnoError(err); |
| 3184 } |
| 3185 // do truncation if necessary |
| 3186 if ((flags & 512)) { |
| 3187 FS.truncate(node, 0); |
| 3188 } |
| 3189 // we've already handled these, don't pass down to the underlying vfs |
| 3190 flags &= ~(128 | 512); |
| 3191 |
| 3192 // register the stream with the filesystem |
| 3193 var stream = FS.createStream({ |
| 3194 node: node, |
| 3195 path: FS.getPath(node), // we want the absolute path to the node |
| 3196 flags: flags, |
| 3197 seekable: true, |
| 3198 position: 0, |
| 3199 stream_ops: node.stream_ops, |
| 3200 // used by the file family libc calls (fopen, fwrite, ferror, etc.) |
| 3201 ungotten: [], |
| 3202 error: false |
| 3203 }, fd_start, fd_end); |
| 3204 // call the new stream's open function |
| 3205 if (stream.stream_ops.open) { |
| 3206 stream.stream_ops.open(stream); |
| 3207 } |
| 3208 if (Module['logReadFiles'] && !(flags & 1)) { |
| 3209 if (!FS.readFiles) FS.readFiles = {}; |
| 3210 if (!(path in FS.readFiles)) { |
| 3211 FS.readFiles[path] = 1; |
| 3212 Module['printErr']('read file: ' + path); |
| 3213 } |
| 3214 } |
| 3215 return stream; |
| 3216 },close:function (stream) { |
| 3217 try { |
| 3218 if (stream.stream_ops.close) { |
| 3219 stream.stream_ops.close(stream); |
| 3220 } |
| 3221 } catch (e) { |
| 3222 throw e; |
| 3223 } finally { |
| 3224 FS.closeStream(stream.fd); |
| 3225 } |
| 3226 },llseek:function (stream, offset, whence) { |
| 3227 if (!stream.seekable || !stream.stream_ops.llseek) { |
| 3228 throw new FS.ErrnoError(ERRNO_CODES.ESPIPE); |
| 3229 } |
| 3230 return stream.stream_ops.llseek(stream, offset, whence); |
| 3231 },read:function (stream, buffer, offset, length, position) { |
| 3232 if (length < 0 || position < 0) { |
| 3233 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3234 } |
| 3235 if ((stream.flags & 2097155) === 1) { |
| 3236 throw new FS.ErrnoError(ERRNO_CODES.EBADF); |
| 3237 } |
| 3238 if (FS.isDir(stream.node.mode)) { |
| 3239 throw new FS.ErrnoError(ERRNO_CODES.EISDIR); |
| 3240 } |
| 3241 if (!stream.stream_ops.read) { |
| 3242 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3243 } |
| 3244 var seeking = true; |
| 3245 if (typeof position === 'undefined') { |
| 3246 position = stream.position; |
| 3247 seeking = false; |
| 3248 } else if (!stream.seekable) { |
| 3249 throw new FS.ErrnoError(ERRNO_CODES.ESPIPE); |
| 3250 } |
| 3251 var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, p
osition); |
| 3252 if (!seeking) stream.position += bytesRead; |
| 3253 return bytesRead; |
| 3254 },write:function (stream, buffer, offset, length, position, canOwn) { |
| 3255 if (length < 0 || position < 0) { |
| 3256 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3257 } |
| 3258 if ((stream.flags & 2097155) === 0) { |
| 3259 throw new FS.ErrnoError(ERRNO_CODES.EBADF); |
| 3260 } |
| 3261 if (FS.isDir(stream.node.mode)) { |
| 3262 throw new FS.ErrnoError(ERRNO_CODES.EISDIR); |
| 3263 } |
| 3264 if (!stream.stream_ops.write) { |
| 3265 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3266 } |
| 3267 var seeking = true; |
| 3268 if (typeof position === 'undefined') { |
| 3269 position = stream.position; |
| 3270 seeking = false; |
| 3271 } else if (!stream.seekable) { |
| 3272 throw new FS.ErrnoError(ERRNO_CODES.ESPIPE); |
| 3273 } |
| 3274 if (stream.flags & 1024) { |
| 3275 // seek to the end before writing in append mode |
| 3276 FS.llseek(stream, 0, 2); |
| 3277 } |
| 3278 var bytesWritten = stream.stream_ops.write(stream, buffer, offset, lengt
h, position, canOwn); |
| 3279 if (!seeking) stream.position += bytesWritten; |
| 3280 return bytesWritten; |
| 3281 },allocate:function (stream, offset, length) { |
| 3282 if (offset < 0 || length <= 0) { |
| 3283 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3284 } |
| 3285 if ((stream.flags & 2097155) === 0) { |
| 3286 throw new FS.ErrnoError(ERRNO_CODES.EBADF); |
| 3287 } |
| 3288 if (!FS.isFile(stream.node.mode) && !FS.isDir(node.mode)) { |
| 3289 throw new FS.ErrnoError(ERRNO_CODES.ENODEV); |
| 3290 } |
| 3291 if (!stream.stream_ops.allocate) { |
| 3292 throw new FS.ErrnoError(ERRNO_CODES.EOPNOTSUPP); |
| 3293 } |
| 3294 stream.stream_ops.allocate(stream, offset, length); |
| 3295 },mmap:function (stream, buffer, offset, length, position, prot, flags) { |
| 3296 // TODO if PROT is PROT_WRITE, make sure we have write access |
| 3297 if ((stream.flags & 2097155) === 1) { |
| 3298 throw new FS.ErrnoError(ERRNO_CODES.EACCES); |
| 3299 } |
| 3300 if (!stream.stream_ops.mmap) { |
| 3301 throw new FS.ErrnoError(ERRNO_CODES.ENODEV); |
| 3302 } |
| 3303 return stream.stream_ops.mmap(stream, buffer, offset, length, position,
prot, flags); |
| 3304 },ioctl:function (stream, cmd, arg) { |
| 3305 if (!stream.stream_ops.ioctl) { |
| 3306 throw new FS.ErrnoError(ERRNO_CODES.ENOTTY); |
| 3307 } |
| 3308 return stream.stream_ops.ioctl(stream, cmd, arg); |
| 3309 },readFile:function (path, opts) { |
| 3310 opts = opts || {}; |
| 3311 opts.flags = opts.flags || 'r'; |
| 3312 opts.encoding = opts.encoding || 'binary'; |
| 3313 if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') { |
| 3314 throw new Error('Invalid encoding type "' + opts.encoding + '"'); |
| 3315 } |
| 3316 var ret; |
| 3317 var stream = FS.open(path, opts.flags); |
| 3318 var stat = FS.stat(path); |
| 3319 var length = stat.size; |
| 3320 var buf = new Uint8Array(length); |
| 3321 FS.read(stream, buf, 0, length, 0); |
| 3322 if (opts.encoding === 'utf8') { |
| 3323 ret = ''; |
| 3324 var utf8 = new Runtime.UTF8Processor(); |
| 3325 for (var i = 0; i < length; i++) { |
| 3326 ret += utf8.processCChar(buf[i]); |
| 3327 } |
| 3328 } else if (opts.encoding === 'binary') { |
| 3329 ret = buf; |
| 3330 } |
| 3331 FS.close(stream); |
| 3332 return ret; |
| 3333 },writeFile:function (path, data, opts) { |
| 3334 opts = opts || {}; |
| 3335 opts.flags = opts.flags || 'w'; |
| 3336 opts.encoding = opts.encoding || 'utf8'; |
| 3337 if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') { |
| 3338 throw new Error('Invalid encoding type "' + opts.encoding + '"'); |
| 3339 } |
| 3340 var stream = FS.open(path, opts.flags, opts.mode); |
| 3341 if (opts.encoding === 'utf8') { |
| 3342 var utf8 = new Runtime.UTF8Processor(); |
| 3343 var buf = new Uint8Array(utf8.processJSString(data)); |
| 3344 FS.write(stream, buf, 0, buf.length, 0, opts.canOwn); |
| 3345 } else if (opts.encoding === 'binary') { |
| 3346 FS.write(stream, data, 0, data.length, 0, opts.canOwn); |
| 3347 } |
| 3348 FS.close(stream); |
| 3349 },cwd:function () { |
| 3350 return FS.currentPath; |
| 3351 },chdir:function (path) { |
| 3352 var lookup = FS.lookupPath(path, { follow: true }); |
| 3353 if (!FS.isDir(lookup.node.mode)) { |
| 3354 throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR); |
| 3355 } |
| 3356 var err = FS.nodePermissions(lookup.node, 'x'); |
| 3357 if (err) { |
| 3358 throw new FS.ErrnoError(err); |
| 3359 } |
| 3360 FS.currentPath = lookup.path; |
| 3361 },createDefaultDirectories:function () { |
| 3362 FS.mkdir('/tmp'); |
| 3363 },createDefaultDevices:function () { |
| 3364 // create /dev |
| 3365 FS.mkdir('/dev'); |
| 3366 // setup /dev/null |
| 3367 FS.registerDevice(FS.makedev(1, 3), { |
| 3368 read: function() { return 0; }, |
| 3369 write: function() { return 0; } |
| 3370 }); |
| 3371 FS.mkdev('/dev/null', FS.makedev(1, 3)); |
| 3372 // setup /dev/tty and /dev/tty1 |
| 3373 // stderr needs to print output using Module['printErr'] |
| 3374 // so we register a second tty just for it. |
| 3375 TTY.register(FS.makedev(5, 0), TTY.default_tty_ops); |
| 3376 TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops); |
| 3377 FS.mkdev('/dev/tty', FS.makedev(5, 0)); |
| 3378 FS.mkdev('/dev/tty1', FS.makedev(6, 0)); |
| 3379 // we're not going to emulate the actual shm device, |
| 3380 // just create the tmp dirs that reside in it commonly |
| 3381 FS.mkdir('/dev/shm'); |
| 3382 FS.mkdir('/dev/shm/tmp'); |
| 3383 },createStandardStreams:function () { |
| 3384 // TODO deprecate the old functionality of a single |
| 3385 // input / output callback and that utilizes FS.createDevice |
| 3386 // and instead require a unique set of stream ops |
| 3387 |
| 3388 // by default, we symlink the standard streams to the |
| 3389 // default tty devices. however, if the standard streams |
| 3390 // have been overwritten we create a unique device for |
| 3391 // them instead. |
| 3392 if (Module['stdin']) { |
| 3393 FS.createDevice('/dev', 'stdin', Module['stdin']); |
| 3394 } else { |
| 3395 FS.symlink('/dev/tty', '/dev/stdin'); |
| 3396 } |
| 3397 if (Module['stdout']) { |
| 3398 FS.createDevice('/dev', 'stdout', null, Module['stdout']); |
| 3399 } else { |
| 3400 FS.symlink('/dev/tty', '/dev/stdout'); |
| 3401 } |
| 3402 if (Module['stderr']) { |
| 3403 FS.createDevice('/dev', 'stderr', null, Module['stderr']); |
| 3404 } else { |
| 3405 FS.symlink('/dev/tty1', '/dev/stderr'); |
| 3406 } |
| 3407 |
| 3408 // open default streams for the stdin, stdout and stderr devices |
| 3409 var stdin = FS.open('/dev/stdin', 'r'); |
| 3410 HEAP32[((_stdin)>>2)]=FS.getPtrForStream(stdin); |
| 3411 assert(stdin.fd === 0, 'invalid handle for stdin (' + stdin.fd + ')'); |
| 3412 |
| 3413 var stdout = FS.open('/dev/stdout', 'w'); |
| 3414 HEAP32[((_stdout)>>2)]=FS.getPtrForStream(stdout); |
| 3415 assert(stdout.fd === 1, 'invalid handle for stdout (' + stdout.fd + ')')
; |
| 3416 |
| 3417 var stderr = FS.open('/dev/stderr', 'w'); |
| 3418 HEAP32[((_stderr)>>2)]=FS.getPtrForStream(stderr); |
| 3419 assert(stderr.fd === 2, 'invalid handle for stderr (' + stderr.fd + ')')
; |
| 3420 },ensureErrnoError:function () { |
| 3421 if (FS.ErrnoError) return; |
| 3422 FS.ErrnoError = function ErrnoError(errno) { |
| 3423 this.errno = errno; |
| 3424 for (var key in ERRNO_CODES) { |
| 3425 if (ERRNO_CODES[key] === errno) { |
| 3426 this.code = key; |
| 3427 break; |
| 3428 } |
| 3429 } |
| 3430 this.message = ERRNO_MESSAGES[errno]; |
| 3431 }; |
| 3432 FS.ErrnoError.prototype = new Error(); |
| 3433 FS.ErrnoError.prototype.constructor = FS.ErrnoError; |
| 3434 // Some errors may happen quite a bit, to avoid overhead we reuse them (
and suffer a lack of stack info) |
| 3435 [ERRNO_CODES.ENOENT].forEach(function(code) { |
| 3436 FS.genericErrors[code] = new FS.ErrnoError(code); |
| 3437 FS.genericErrors[code].stack = '<generic error, no stack>'; |
| 3438 }); |
| 3439 },staticInit:function () { |
| 3440 FS.ensureErrnoError(); |
| 3441 |
| 3442 FS.nameTable = new Array(4096); |
| 3443 |
| 3444 FS.mount(MEMFS, {}, '/'); |
| 3445 |
| 3446 FS.createDefaultDirectories(); |
| 3447 FS.createDefaultDevices(); |
| 3448 },init:function (input, output, error) { |
| 3449 assert(!FS.init.initialized, 'FS.init was previously called. If you want
to initialize later with custom parameters, remove any earlier calls (note that
one is automatically added to the generated code)'); |
| 3450 FS.init.initialized = true; |
| 3451 |
| 3452 FS.ensureErrnoError(); |
| 3453 |
| 3454 // Allow Module.stdin etc. to provide defaults, if none explicitly passe
d to us here |
| 3455 Module['stdin'] = input || Module['stdin']; |
| 3456 Module['stdout'] = output || Module['stdout']; |
| 3457 Module['stderr'] = error || Module['stderr']; |
| 3458 |
| 3459 FS.createStandardStreams(); |
| 3460 },quit:function () { |
| 3461 FS.init.initialized = false; |
| 3462 for (var i = 0; i < FS.streams.length; i++) { |
| 3463 var stream = FS.streams[i]; |
| 3464 if (!stream) { |
| 3465 continue; |
| 3466 } |
| 3467 FS.close(stream); |
| 3468 } |
| 3469 },getMode:function (canRead, canWrite) { |
| 3470 var mode = 0; |
| 3471 if (canRead) mode |= 292 | 73; |
| 3472 if (canWrite) mode |= 146; |
| 3473 return mode; |
| 3474 },joinPath:function (parts, forceRelative) { |
| 3475 var path = PATH.join.apply(null, parts); |
| 3476 if (forceRelative && path[0] == '/') path = path.substr(1); |
| 3477 return path; |
| 3478 },absolutePath:function (relative, base) { |
| 3479 return PATH.resolve(base, relative); |
| 3480 },standardizePath:function (path) { |
| 3481 return PATH.normalize(path); |
| 3482 },findObject:function (path, dontResolveLastLink) { |
| 3483 var ret = FS.analyzePath(path, dontResolveLastLink); |
| 3484 if (ret.exists) { |
| 3485 return ret.object; |
| 3486 } else { |
| 3487 ___setErrNo(ret.error); |
| 3488 return null; |
| 3489 } |
| 3490 },analyzePath:function (path, dontResolveLastLink) { |
| 3491 // operate from within the context of the symlink's target |
| 3492 try { |
| 3493 var lookup = FS.lookupPath(path, { follow: !dontResolveLastLink }); |
| 3494 path = lookup.path; |
| 3495 } catch (e) { |
| 3496 } |
| 3497 var ret = { |
| 3498 isRoot: false, exists: false, error: 0, name: null, path: null, object
: null, |
| 3499 parentExists: false, parentPath: null, parentObject: null |
| 3500 }; |
| 3501 try { |
| 3502 var lookup = FS.lookupPath(path, { parent: true }); |
| 3503 ret.parentExists = true; |
| 3504 ret.parentPath = lookup.path; |
| 3505 ret.parentObject = lookup.node; |
| 3506 ret.name = PATH.basename(path); |
| 3507 lookup = FS.lookupPath(path, { follow: !dontResolveLastLink }); |
| 3508 ret.exists = true; |
| 3509 ret.path = lookup.path; |
| 3510 ret.object = lookup.node; |
| 3511 ret.name = lookup.node.name; |
| 3512 ret.isRoot = lookup.path === '/'; |
| 3513 } catch (e) { |
| 3514 ret.error = e.errno; |
| 3515 }; |
| 3516 return ret; |
| 3517 },createFolder:function (parent, name, canRead, canWrite) { |
| 3518 var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(p
arent), name); |
| 3519 var mode = FS.getMode(canRead, canWrite); |
| 3520 return FS.mkdir(path, mode); |
| 3521 },createPath:function (parent, path, canRead, canWrite) { |
| 3522 parent = typeof parent === 'string' ? parent : FS.getPath(parent); |
| 3523 var parts = path.split('/').reverse(); |
| 3524 while (parts.length) { |
| 3525 var part = parts.pop(); |
| 3526 if (!part) continue; |
| 3527 var current = PATH.join2(parent, part); |
| 3528 try { |
| 3529 FS.mkdir(current); |
| 3530 } catch (e) { |
| 3531 // ignore EEXIST |
| 3532 } |
| 3533 parent = current; |
| 3534 } |
| 3535 return current; |
| 3536 },createFile:function (parent, name, properties, canRead, canWrite) { |
| 3537 var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(p
arent), name); |
| 3538 var mode = FS.getMode(canRead, canWrite); |
| 3539 return FS.create(path, mode); |
| 3540 },createDataFile:function (parent, name, data, canRead, canWrite, canOwn)
{ |
| 3541 var path = name ? PATH.join2(typeof parent === 'string' ? parent : FS.ge
tPath(parent), name) : parent; |
| 3542 var mode = FS.getMode(canRead, canWrite); |
| 3543 var node = FS.create(path, mode); |
| 3544 if (data) { |
| 3545 if (typeof data === 'string') { |
| 3546 var arr = new Array(data.length); |
| 3547 for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charC
odeAt(i); |
| 3548 data = arr; |
| 3549 } |
| 3550 // make sure we can write to the file |
| 3551 FS.chmod(node, mode | 146); |
| 3552 var stream = FS.open(node, 'w'); |
| 3553 FS.write(stream, data, 0, data.length, 0, canOwn); |
| 3554 FS.close(stream); |
| 3555 FS.chmod(node, mode); |
| 3556 } |
| 3557 return node; |
| 3558 },createDevice:function (parent, name, input, output) { |
| 3559 var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(p
arent), name); |
| 3560 var mode = FS.getMode(!!input, !!output); |
| 3561 if (!FS.createDevice.major) FS.createDevice.major = 64; |
| 3562 var dev = FS.makedev(FS.createDevice.major++, 0); |
| 3563 // Create a fake device that a set of stream ops to emulate |
| 3564 // the old behavior. |
| 3565 FS.registerDevice(dev, { |
| 3566 open: function(stream) { |
| 3567 stream.seekable = false; |
| 3568 }, |
| 3569 close: function(stream) { |
| 3570 // flush any pending line data |
| 3571 if (output && output.buffer && output.buffer.length) { |
| 3572 output(10); |
| 3573 } |
| 3574 }, |
| 3575 read: function(stream, buffer, offset, length, pos /* ignored */) { |
| 3576 var bytesRead = 0; |
| 3577 for (var i = 0; i < length; i++) { |
| 3578 var result; |
| 3579 try { |
| 3580 result = input(); |
| 3581 } catch (e) { |
| 3582 throw new FS.ErrnoError(ERRNO_CODES.EIO); |
| 3583 } |
| 3584 if (result === undefined && bytesRead === 0) { |
| 3585 throw new FS.ErrnoError(ERRNO_CODES.EAGAIN); |
| 3586 } |
| 3587 if (result === null || result === undefined) break; |
| 3588 bytesRead++; |
| 3589 buffer[offset+i] = result; |
| 3590 } |
| 3591 if (bytesRead) { |
| 3592 stream.node.timestamp = Date.now(); |
| 3593 } |
| 3594 return bytesRead; |
| 3595 }, |
| 3596 write: function(stream, buffer, offset, length, pos) { |
| 3597 for (var i = 0; i < length; i++) { |
| 3598 try { |
| 3599 output(buffer[offset+i]); |
| 3600 } catch (e) { |
| 3601 throw new FS.ErrnoError(ERRNO_CODES.EIO); |
| 3602 } |
| 3603 } |
| 3604 if (length) { |
| 3605 stream.node.timestamp = Date.now(); |
| 3606 } |
| 3607 return i; |
| 3608 } |
| 3609 }); |
| 3610 return FS.mkdev(path, mode, dev); |
| 3611 },createLink:function (parent, name, target, canRead, canWrite) { |
| 3612 var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(p
arent), name); |
| 3613 return FS.symlink(target, path); |
| 3614 },forceLoadFile:function (obj) { |
| 3615 if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return tru
e; |
| 3616 var success = true; |
| 3617 if (typeof XMLHttpRequest !== 'undefined') { |
| 3618 throw new Error("Lazy loading should have been performed (contents set
) in createLazyFile, but it was not. Lazy loading only works in web workers. Use
--embed-file or --preload-file in emcc on the main thread."); |
| 3619 } else if (Module['read']) { |
| 3620 // Command-line. |
| 3621 try { |
| 3622 // WARNING: Can't read binary files in V8's d8 or tracemonkey's js,
as |
| 3623 // read() will try to parse UTF8. |
| 3624 obj.contents = intArrayFromString(Module['read'](obj.url), true); |
| 3625 } catch (e) { |
| 3626 success = false; |
| 3627 } |
| 3628 } else { |
| 3629 throw new Error('Cannot load without read() or XMLHttpRequest.'); |
| 3630 } |
| 3631 if (!success) ___setErrNo(ERRNO_CODES.EIO); |
| 3632 return success; |
| 3633 },createLazyFile:function (parent, name, url, canRead, canWrite) { |
| 3634 // Lazy chunked Uint8Array (implements get and length from Uint8Array).
Actual getting is abstracted away for eventual reuse. |
| 3635 function LazyUint8Array() { |
| 3636 this.lengthKnown = false; |
| 3637 this.chunks = []; // Loaded chunks. Index is the chunk number |
| 3638 } |
| 3639 LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) { |
| 3640 if (idx > this.length-1 || idx < 0) { |
| 3641 return undefined; |
| 3642 } |
| 3643 var chunkOffset = idx % this.chunkSize; |
| 3644 var chunkNum = Math.floor(idx / this.chunkSize); |
| 3645 return this.getter(chunkNum)[chunkOffset]; |
| 3646 } |
| 3647 LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setData
Getter(getter) { |
| 3648 this.getter = getter; |
| 3649 } |
| 3650 LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLeng
th() { |
| 3651 // Find length |
| 3652 var xhr = new XMLHttpRequest(); |
| 3653 xhr.open('HEAD', url, false); |
| 3654 xhr.send(null); |
| 3655 if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304))
throw new Error("Couldn't load " + url + ". Status: " + xhr.status); |
| 3656 var datalength = Number(xhr.getResponseHeader("Content-length")); |
| 3657 var header; |
| 3658 var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges"
)) && header === "bytes"; |
| 3659 var chunkSize = 1024*1024; // Chunk size in bytes |
| 3660 |
| 3661 if (!hasByteServing) chunkSize = datalength; |
| 3662 |
| 3663 // Function to get a range from the remote URL. |
| 3664 var doXHR = (function(from, to) { |
| 3665 if (from > to) throw new Error("invalid range (" + from + ", " + t
o + ") or no bytes requested!"); |
| 3666 if (to > datalength-1) throw new Error("only " + datalength + " by
tes available! programmer error!"); |
| 3667 |
| 3668 // TODO: Use mozResponseArrayBuffer, responseStream, etc. if avail
able. |
| 3669 var xhr = new XMLHttpRequest(); |
| 3670 xhr.open('GET', url, false); |
| 3671 if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes
=" + from + "-" + to); |
| 3672 |
| 3673 // Some hints to the browser that we want binary data. |
| 3674 if (typeof Uint8Array != 'undefined') xhr.responseType = 'arraybuf
fer'; |
| 3675 if (xhr.overrideMimeType) { |
| 3676 xhr.overrideMimeType('text/plain; charset=x-user-defined'); |
| 3677 } |
| 3678 |
| 3679 xhr.send(null); |
| 3680 if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)
) throw new Error("Couldn't load " + url + ". Status: " + xhr.status); |
| 3681 if (xhr.response !== undefined) { |
| 3682 return new Uint8Array(xhr.response || []); |
| 3683 } else { |
| 3684 return intArrayFromString(xhr.responseText || '', true); |
| 3685 } |
| 3686 }); |
| 3687 var lazyArray = this; |
| 3688 lazyArray.setDataGetter(function(chunkNum) { |
| 3689 var start = chunkNum * chunkSize; |
| 3690 var end = (chunkNum+1) * chunkSize - 1; // including this byte |
| 3691 end = Math.min(end, datalength-1); // if datalength-1 is selected,
this is the last block |
| 3692 if (typeof(lazyArray.chunks[chunkNum]) === "undefined") { |
| 3693 lazyArray.chunks[chunkNum] = doXHR(start, end); |
| 3694 } |
| 3695 if (typeof(lazyArray.chunks[chunkNum]) === "undefined") throw new
Error("doXHR failed!"); |
| 3696 return lazyArray.chunks[chunkNum]; |
| 3697 }); |
| 3698 |
| 3699 this._length = datalength; |
| 3700 this._chunkSize = chunkSize; |
| 3701 this.lengthKnown = true; |
| 3702 } |
| 3703 if (typeof XMLHttpRequest !== 'undefined') { |
| 3704 if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs o
utside webworkers in modern browsers. Use --embed-file or --preload-file in emcc
'; |
| 3705 var lazyArray = new LazyUint8Array(); |
| 3706 Object.defineProperty(lazyArray, "length", { |
| 3707 get: function() { |
| 3708 if(!this.lengthKnown) { |
| 3709 this.cacheLength(); |
| 3710 } |
| 3711 return this._length; |
| 3712 } |
| 3713 }); |
| 3714 Object.defineProperty(lazyArray, "chunkSize", { |
| 3715 get: function() { |
| 3716 if(!this.lengthKnown) { |
| 3717 this.cacheLength(); |
| 3718 } |
| 3719 return this._chunkSize; |
| 3720 } |
| 3721 }); |
| 3722 |
| 3723 var properties = { isDevice: false, contents: lazyArray }; |
| 3724 } else { |
| 3725 var properties = { isDevice: false, url: url }; |
| 3726 } |
| 3727 |
| 3728 var node = FS.createFile(parent, name, properties, canRead, canWrite); |
| 3729 // This is a total hack, but I want to get this lazy file code out of th
e |
| 3730 // core of MEMFS. If we want to keep this lazy file concept I feel it sh
ould |
| 3731 // be its own thin LAZYFS proxying calls to MEMFS. |
| 3732 if (properties.contents) { |
| 3733 node.contents = properties.contents; |
| 3734 } else if (properties.url) { |
| 3735 node.contents = null; |
| 3736 node.url = properties.url; |
| 3737 } |
| 3738 // override each stream op with one that tries to force load the lazy fi
le first |
| 3739 var stream_ops = {}; |
| 3740 var keys = Object.keys(node.stream_ops); |
| 3741 keys.forEach(function(key) { |
| 3742 var fn = node.stream_ops[key]; |
| 3743 stream_ops[key] = function forceLoadLazyFile() { |
| 3744 if (!FS.forceLoadFile(node)) { |
| 3745 throw new FS.ErrnoError(ERRNO_CODES.EIO); |
| 3746 } |
| 3747 return fn.apply(null, arguments); |
| 3748 }; |
| 3749 }); |
| 3750 // use a custom read function |
| 3751 stream_ops.read = function stream_ops_read(stream, buffer, offset, lengt
h, position) { |
| 3752 if (!FS.forceLoadFile(node)) { |
| 3753 throw new FS.ErrnoError(ERRNO_CODES.EIO); |
| 3754 } |
| 3755 var contents = stream.node.contents; |
| 3756 if (position >= contents.length) |
| 3757 return 0; |
| 3758 var size = Math.min(contents.length - position, length); |
| 3759 assert(size >= 0); |
| 3760 if (contents.slice) { // normal array |
| 3761 for (var i = 0; i < size; i++) { |
| 3762 buffer[offset + i] = contents[position + i]; |
| 3763 } |
| 3764 } else { |
| 3765 for (var i = 0; i < size; i++) { // LazyUint8Array from sync binary
XHR |
| 3766 buffer[offset + i] = contents.get(position + i); |
| 3767 } |
| 3768 } |
| 3769 return size; |
| 3770 }; |
| 3771 node.stream_ops = stream_ops; |
| 3772 return node; |
| 3773 },createPreloadedFile:function (parent, name, url, canRead, canWrite, onlo
ad, onerror, dontCreateFile, canOwn) { |
| 3774 Browser.init(); |
| 3775 // TODO we should allow people to just pass in a complete filename inste
ad |
| 3776 // of parent and name being that we just join them anyways |
| 3777 var fullname = name ? PATH.resolve(PATH.join2(parent, name)) : parent; |
| 3778 function processData(byteArray) { |
| 3779 function finish(byteArray) { |
| 3780 if (!dontCreateFile) { |
| 3781 FS.createDataFile(parent, name, byteArray, canRead, canWrite, canO
wn); |
| 3782 } |
| 3783 if (onload) onload(); |
| 3784 removeRunDependency('cp ' + fullname); |
| 3785 } |
| 3786 var handled = false; |
| 3787 Module['preloadPlugins'].forEach(function(plugin) { |
| 3788 if (handled) return; |
| 3789 if (plugin['canHandle'](fullname)) { |
| 3790 plugin['handle'](byteArray, fullname, finish, function() { |
| 3791 if (onerror) onerror(); |
| 3792 removeRunDependency('cp ' + fullname); |
| 3793 }); |
| 3794 handled = true; |
| 3795 } |
| 3796 }); |
| 3797 if (!handled) finish(byteArray); |
| 3798 } |
| 3799 addRunDependency('cp ' + fullname); |
| 3800 if (typeof url == 'string') { |
| 3801 Browser.asyncLoad(url, function(byteArray) { |
| 3802 processData(byteArray); |
| 3803 }, onerror); |
| 3804 } else { |
| 3805 processData(url); |
| 3806 } |
| 3807 },indexedDB:function () { |
| 3808 return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB
|| window.msIndexedDB; |
| 3809 },DB_NAME:function () { |
| 3810 return 'EM_FS_' + window.location.pathname; |
| 3811 },DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:function (paths, o
nload, onerror) { |
| 3812 onload = onload || function(){}; |
| 3813 onerror = onerror || function(){}; |
| 3814 var indexedDB = FS.indexedDB(); |
| 3815 try { |
| 3816 var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION); |
| 3817 } catch (e) { |
| 3818 return onerror(e); |
| 3819 } |
| 3820 openRequest.onupgradeneeded = function openRequest_onupgradeneeded() { |
| 3821 console.log('creating db'); |
| 3822 var db = openRequest.result; |
| 3823 db.createObjectStore(FS.DB_STORE_NAME); |
| 3824 }; |
| 3825 openRequest.onsuccess = function openRequest_onsuccess() { |
| 3826 var db = openRequest.result; |
| 3827 var transaction = db.transaction([FS.DB_STORE_NAME], 'readwrite'); |
| 3828 var files = transaction.objectStore(FS.DB_STORE_NAME); |
| 3829 var ok = 0, fail = 0, total = paths.length; |
| 3830 function finish() { |
| 3831 if (fail == 0) onload(); else onerror(); |
| 3832 } |
| 3833 paths.forEach(function(path) { |
| 3834 var putRequest = files.put(FS.analyzePath(path).object.contents, pat
h); |
| 3835 putRequest.onsuccess = function putRequest_onsuccess() { ok++; if (o
k + fail == total) finish() }; |
| 3836 putRequest.onerror = function putRequest_onerror() { fail++; if (ok
+ fail == total) finish() }; |
| 3837 }); |
| 3838 transaction.onerror = onerror; |
| 3839 }; |
| 3840 openRequest.onerror = onerror; |
| 3841 },loadFilesFromDB:function (paths, onload, onerror) { |
| 3842 onload = onload || function(){}; |
| 3843 onerror = onerror || function(){}; |
| 3844 var indexedDB = FS.indexedDB(); |
| 3845 try { |
| 3846 var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION); |
| 3847 } catch (e) { |
| 3848 return onerror(e); |
| 3849 } |
| 3850 openRequest.onupgradeneeded = onerror; // no database to load from |
| 3851 openRequest.onsuccess = function openRequest_onsuccess() { |
| 3852 var db = openRequest.result; |
| 3853 try { |
| 3854 var transaction = db.transaction([FS.DB_STORE_NAME], 'readonly'); |
| 3855 } catch(e) { |
| 3856 onerror(e); |
| 3857 return; |
| 3858 } |
| 3859 var files = transaction.objectStore(FS.DB_STORE_NAME); |
| 3860 var ok = 0, fail = 0, total = paths.length; |
| 3861 function finish() { |
| 3862 if (fail == 0) onload(); else onerror(); |
| 3863 } |
| 3864 paths.forEach(function(path) { |
| 3865 var getRequest = files.get(path); |
| 3866 getRequest.onsuccess = function getRequest_onsuccess() { |
| 3867 if (FS.analyzePath(path).exists) { |
| 3868 FS.unlink(path); |
| 3869 } |
| 3870 FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequ
est.result, true, true, true); |
| 3871 ok++; |
| 3872 if (ok + fail == total) finish(); |
| 3873 }; |
| 3874 getRequest.onerror = function getRequest_onerror() { fail++; if (ok
+ fail == total) finish() }; |
| 3875 }); |
| 3876 transaction.onerror = onerror; |
| 3877 }; |
| 3878 openRequest.onerror = onerror; |
| 3879 }}; |
| 3880 |
| 3881 |
| 3882 |
| 3883 |
| 3884 function _mkport() { throw 'TODO' }var SOCKFS={mount:function (mount) { |
| 3885 return FS.createNode(null, '/', 16384 | 511 /* 0777 */, 0); |
| 3886 },createSocket:function (family, type, protocol) { |
| 3887 var streaming = type == 1; |
| 3888 if (protocol) { |
| 3889 assert(streaming == (protocol == 6)); // if SOCK_STREAM, must be tcp |
| 3890 } |
| 3891 |
| 3892 // create our internal socket structure |
| 3893 var sock = { |
| 3894 family: family, |
| 3895 type: type, |
| 3896 protocol: protocol, |
| 3897 server: null, |
| 3898 peers: {}, |
| 3899 pending: [], |
| 3900 recv_queue: [], |
| 3901 sock_ops: SOCKFS.websocket_sock_ops |
| 3902 }; |
| 3903 |
| 3904 // create the filesystem node to store the socket structure |
| 3905 var name = SOCKFS.nextname(); |
| 3906 var node = FS.createNode(SOCKFS.root, name, 49152, 0); |
| 3907 node.sock = sock; |
| 3908 |
| 3909 // and the wrapping stream that enables library functions such |
| 3910 // as read and write to indirectly interact with the socket |
| 3911 var stream = FS.createStream({ |
| 3912 path: name, |
| 3913 node: node, |
| 3914 flags: FS.modeStringToFlags('r+'), |
| 3915 seekable: false, |
| 3916 stream_ops: SOCKFS.stream_ops |
| 3917 }); |
| 3918 |
| 3919 // map the new stream to the socket structure (sockets have a 1:1 |
| 3920 // relationship with a stream) |
| 3921 sock.stream = stream; |
| 3922 |
| 3923 return sock; |
| 3924 },getSocket:function (fd) { |
| 3925 var stream = FS.getStream(fd); |
| 3926 if (!stream || !FS.isSocket(stream.node.mode)) { |
| 3927 return null; |
| 3928 } |
| 3929 return stream.node.sock; |
| 3930 },stream_ops:{poll:function (stream) { |
| 3931 var sock = stream.node.sock; |
| 3932 return sock.sock_ops.poll(sock); |
| 3933 },ioctl:function (stream, request, varargs) { |
| 3934 var sock = stream.node.sock; |
| 3935 return sock.sock_ops.ioctl(sock, request, varargs); |
| 3936 },read:function (stream, buffer, offset, length, position /* ignored */)
{ |
| 3937 var sock = stream.node.sock; |
| 3938 var msg = sock.sock_ops.recvmsg(sock, length); |
| 3939 if (!msg) { |
| 3940 // socket is closed |
| 3941 return 0; |
| 3942 } |
| 3943 buffer.set(msg.buffer, offset); |
| 3944 return msg.buffer.length; |
| 3945 },write:function (stream, buffer, offset, length, position /* ignored */
) { |
| 3946 var sock = stream.node.sock; |
| 3947 return sock.sock_ops.sendmsg(sock, buffer, offset, length); |
| 3948 },close:function (stream) { |
| 3949 var sock = stream.node.sock; |
| 3950 sock.sock_ops.close(sock); |
| 3951 }},nextname:function () { |
| 3952 if (!SOCKFS.nextname.current) { |
| 3953 SOCKFS.nextname.current = 0; |
| 3954 } |
| 3955 return 'socket[' + (SOCKFS.nextname.current++) + ']'; |
| 3956 },websocket_sock_ops:{createPeer:function (sock, addr, port) { |
| 3957 var ws; |
| 3958 |
| 3959 if (typeof addr === 'object') { |
| 3960 ws = addr; |
| 3961 addr = null; |
| 3962 port = null; |
| 3963 } |
| 3964 |
| 3965 if (ws) { |
| 3966 // for sockets that've already connected (e.g. we're the server) |
| 3967 // we can inspect the _socket property for the address |
| 3968 if (ws._socket) { |
| 3969 addr = ws._socket.remoteAddress; |
| 3970 port = ws._socket.remotePort; |
| 3971 } |
| 3972 // if we're just now initializing a connection to the remote, |
| 3973 // inspect the url property |
| 3974 else { |
| 3975 var result = /ws[s]?:\/\/([^:]+):(\d+)/.exec(ws.url); |
| 3976 if (!result) { |
| 3977 throw new Error('WebSocket URL must be in the format ws(s)://add
ress:port'); |
| 3978 } |
| 3979 addr = result[1]; |
| 3980 port = parseInt(result[2], 10); |
| 3981 } |
| 3982 } else { |
| 3983 // create the actual websocket object and connect |
| 3984 try { |
| 3985 // runtimeConfig gets set to true if WebSocket runtime configurati
on is available. |
| 3986 var runtimeConfig = (Module['websocket'] && ('object' === typeof M
odule['websocket'])); |
| 3987 |
| 3988 // The default value is 'ws://' the replace is needed because the
compiler replaces "//" comments with '#' |
| 3989 // comments without checking context, so we'd end up with ws:#, th
e replace swaps the "#" for "//" again. |
| 3990 var url = 'ws:#'.replace('#', '//'); |
| 3991 |
| 3992 if (runtimeConfig) { |
| 3993 if ('string' === typeof Module['websocket']['url']) { |
| 3994 url = Module['websocket']['url']; // Fetch runtime WebSocket U
RL config. |
| 3995 } |
| 3996 } |
| 3997 |
| 3998 if (url === 'ws://' || url === 'wss://') { // Is the supplied URL
config just a prefix, if so complete it. |
| 3999 url = url + addr + ':' + port; |
| 4000 } |
| 4001 |
| 4002 // Make the WebSocket subprotocol (Sec-WebSocket-Protocol) default
to binary if no configuration is set. |
| 4003 var subProtocols = 'binary'; // The default value is 'binary' |
| 4004 |
| 4005 if (runtimeConfig) { |
| 4006 if ('string' === typeof Module['websocket']['subprotocol']) { |
| 4007 subProtocols = Module['websocket']['subprotocol']; // Fetch ru
ntime WebSocket subprotocol config. |
| 4008 } |
| 4009 } |
| 4010 |
| 4011 // The regex trims the string (removes spaces at the beginning and
end, then splits the string by |
| 4012 // <any space>,<any space> into an Array. Whitespace removal is im
portant for Websockify and ws. |
| 4013 subProtocols = subProtocols.replace(/^ +| +$/g,"").split(/ *, */); |
| 4014 |
| 4015 // The node ws library API for specifying optional subprotocol is
slightly different than the browser's. |
| 4016 var opts = ENVIRONMENT_IS_NODE ? {'protocol': subProtocols.toStrin
g()} : subProtocols; |
| 4017 |
| 4018 // If node we use the ws library. |
| 4019 var WebSocket = ENVIRONMENT_IS_NODE ? require('ws') : window['WebS
ocket']; |
| 4020 ws = new WebSocket(url, opts); |
| 4021 ws.binaryType = 'arraybuffer'; |
| 4022 } catch (e) { |
| 4023 throw new FS.ErrnoError(ERRNO_CODES.EHOSTUNREACH); |
| 4024 } |
| 4025 } |
| 4026 |
| 4027 |
| 4028 var peer = { |
| 4029 addr: addr, |
| 4030 port: port, |
| 4031 socket: ws, |
| 4032 dgram_send_queue: [] |
| 4033 }; |
| 4034 |
| 4035 SOCKFS.websocket_sock_ops.addPeer(sock, peer); |
| 4036 SOCKFS.websocket_sock_ops.handlePeerEvents(sock, peer); |
| 4037 |
| 4038 // if this is a bound dgram socket, send the port number first to allo
w |
| 4039 // us to override the ephemeral port reported to us by remotePort on t
he |
| 4040 // remote end. |
| 4041 if (sock.type === 2 && typeof sock.sport !== 'undefined') { |
| 4042 peer.dgram_send_queue.push(new Uint8Array([ |
| 4043 255, 255, 255, 255, |
| 4044 'p'.charCodeAt(0), 'o'.charCodeAt(0), 'r'.charCodeAt(0), 't'.cha
rCodeAt(0), |
| 4045 ((sock.sport & 0xff00) >> 8) , (sock.sport & 0xff) |
| 4046 ])); |
| 4047 } |
| 4048 |
| 4049 return peer; |
| 4050 },getPeer:function (sock, addr, port) { |
| 4051 return sock.peers[addr + ':' + port]; |
| 4052 },addPeer:function (sock, peer) { |
| 4053 sock.peers[peer.addr + ':' + peer.port] = peer; |
| 4054 },removePeer:function (sock, peer) { |
| 4055 delete sock.peers[peer.addr + ':' + peer.port]; |
| 4056 },handlePeerEvents:function (sock, peer) { |
| 4057 var first = true; |
| 4058 |
| 4059 var handleOpen = function () { |
| 4060 try { |
| 4061 var queued = peer.dgram_send_queue.shift(); |
| 4062 while (queued) { |
| 4063 peer.socket.send(queued); |
| 4064 queued = peer.dgram_send_queue.shift(); |
| 4065 } |
| 4066 } catch (e) { |
| 4067 // not much we can do here in the way of proper error handling as
we've already |
| 4068 // lied and said this data was sent. shut it down. |
| 4069 peer.socket.close(); |
| 4070 } |
| 4071 }; |
| 4072 |
| 4073 function handleMessage(data) { |
| 4074 assert(typeof data !== 'string' && data.byteLength !== undefined);
// must receive an ArrayBuffer |
| 4075 data = new Uint8Array(data); // make a typed array view on the arra
y buffer |
| 4076 |
| 4077 |
| 4078 // if this is the port message, override the peer's port with it |
| 4079 var wasfirst = first; |
| 4080 first = false; |
| 4081 if (wasfirst && |
| 4082 data.length === 10 && |
| 4083 data[0] === 255 && data[1] === 255 && data[2] === 255 && data[3]
=== 255 && |
| 4084 data[4] === 'p'.charCodeAt(0) && data[5] === 'o'.charCodeAt(0) &
& data[6] === 'r'.charCodeAt(0) && data[7] === 't'.charCodeAt(0)) { |
| 4085 // update the peer's port and it's key in the peer map |
| 4086 var newport = ((data[8] << 8) | data[9]); |
| 4087 SOCKFS.websocket_sock_ops.removePeer(sock, peer); |
| 4088 peer.port = newport; |
| 4089 SOCKFS.websocket_sock_ops.addPeer(sock, peer); |
| 4090 return; |
| 4091 } |
| 4092 |
| 4093 sock.recv_queue.push({ addr: peer.addr, port: peer.port, data: data
}); |
| 4094 }; |
| 4095 |
| 4096 if (ENVIRONMENT_IS_NODE) { |
| 4097 peer.socket.on('open', handleOpen); |
| 4098 peer.socket.on('message', function(data, flags) { |
| 4099 if (!flags.binary) { |
| 4100 return; |
| 4101 } |
| 4102 handleMessage((new Uint8Array(data)).buffer); // copy from node B
uffer -> ArrayBuffer |
| 4103 }); |
| 4104 peer.socket.on('error', function() { |
| 4105 // don't throw |
| 4106 }); |
| 4107 } else { |
| 4108 peer.socket.onopen = handleOpen; |
| 4109 peer.socket.onmessage = function peer_socket_onmessage(event) { |
| 4110 handleMessage(event.data); |
| 4111 }; |
| 4112 } |
| 4113 },poll:function (sock) { |
| 4114 if (sock.type === 1 && sock.server) { |
| 4115 // listen sockets should only say they're available for reading |
| 4116 // if there are pending clients. |
| 4117 return sock.pending.length ? (64 | 1) : 0; |
| 4118 } |
| 4119 |
| 4120 var mask = 0; |
| 4121 var dest = sock.type === 1 ? // we only care about the socket state f
or connection-based sockets |
| 4122 SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport) : |
| 4123 null; |
| 4124 |
| 4125 if (sock.recv_queue.length || |
| 4126 !dest || // connection-less sockets are always ready to read |
| 4127 (dest && dest.socket.readyState === dest.socket.CLOSING) || |
| 4128 (dest && dest.socket.readyState === dest.socket.CLOSED)) { // let
recv return 0 once closed |
| 4129 mask |= (64 | 1); |
| 4130 } |
| 4131 |
| 4132 if (!dest || // connection-less sockets are always ready to write |
| 4133 (dest && dest.socket.readyState === dest.socket.OPEN)) { |
| 4134 mask |= 4; |
| 4135 } |
| 4136 |
| 4137 if ((dest && dest.socket.readyState === dest.socket.CLOSING) || |
| 4138 (dest && dest.socket.readyState === dest.socket.CLOSED)) { |
| 4139 mask |= 16; |
| 4140 } |
| 4141 |
| 4142 return mask; |
| 4143 },ioctl:function (sock, request, arg) { |
| 4144 switch (request) { |
| 4145 case 21531: |
| 4146 var bytes = 0; |
| 4147 if (sock.recv_queue.length) { |
| 4148 bytes = sock.recv_queue[0].data.length; |
| 4149 } |
| 4150 HEAP32[((arg)>>2)]=bytes; |
| 4151 return 0; |
| 4152 default: |
| 4153 return ERRNO_CODES.EINVAL; |
| 4154 } |
| 4155 },close:function (sock) { |
| 4156 // if we've spawned a listen server, close it |
| 4157 if (sock.server) { |
| 4158 try { |
| 4159 sock.server.close(); |
| 4160 } catch (e) { |
| 4161 } |
| 4162 sock.server = null; |
| 4163 } |
| 4164 // close any peer connections |
| 4165 var peers = Object.keys(sock.peers); |
| 4166 for (var i = 0; i < peers.length; i++) { |
| 4167 var peer = sock.peers[peers[i]]; |
| 4168 try { |
| 4169 peer.socket.close(); |
| 4170 } catch (e) { |
| 4171 } |
| 4172 SOCKFS.websocket_sock_ops.removePeer(sock, peer); |
| 4173 } |
| 4174 return 0; |
| 4175 },bind:function (sock, addr, port) { |
| 4176 if (typeof sock.saddr !== 'undefined' || typeof sock.sport !== 'undefi
ned') { |
| 4177 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); // already bound |
| 4178 } |
| 4179 sock.saddr = addr; |
| 4180 sock.sport = port || _mkport(); |
| 4181 // in order to emulate dgram sockets, we need to launch a listen serve
r when |
| 4182 // binding on a connection-less socket |
| 4183 // note: this is only required on the server side |
| 4184 if (sock.type === 2) { |
| 4185 // close the existing server if it exists |
| 4186 if (sock.server) { |
| 4187 sock.server.close(); |
| 4188 sock.server = null; |
| 4189 } |
| 4190 // swallow error operation not supported error that occurs when bind
ing in the |
| 4191 // browser where this isn't supported |
| 4192 try { |
| 4193 sock.sock_ops.listen(sock, 0); |
| 4194 } catch (e) { |
| 4195 if (!(e instanceof FS.ErrnoError)) throw e; |
| 4196 if (e.errno !== ERRNO_CODES.EOPNOTSUPP) throw e; |
| 4197 } |
| 4198 } |
| 4199 },connect:function (sock, addr, port) { |
| 4200 if (sock.server) { |
| 4201 throw new FS.ErrnoError(ERRNO_CODS.EOPNOTSUPP); |
| 4202 } |
| 4203 |
| 4204 // TODO autobind |
| 4205 // if (!sock.addr && sock.type == 2) { |
| 4206 // } |
| 4207 |
| 4208 // early out if we're already connected / in the middle of connecting |
| 4209 if (typeof sock.daddr !== 'undefined' && typeof sock.dport !== 'undefi
ned') { |
| 4210 var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.
dport); |
| 4211 if (dest) { |
| 4212 if (dest.socket.readyState === dest.socket.CONNECTING) { |
| 4213 throw new FS.ErrnoError(ERRNO_CODES.EALREADY); |
| 4214 } else { |
| 4215 throw new FS.ErrnoError(ERRNO_CODES.EISCONN); |
| 4216 } |
| 4217 } |
| 4218 } |
| 4219 |
| 4220 // add the socket to our peer list and set our |
| 4221 // destination address / port to match |
| 4222 var peer = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port); |
| 4223 sock.daddr = peer.addr; |
| 4224 sock.dport = peer.port; |
| 4225 |
| 4226 // always "fail" in non-blocking mode |
| 4227 throw new FS.ErrnoError(ERRNO_CODES.EINPROGRESS); |
| 4228 },listen:function (sock, backlog) { |
| 4229 if (!ENVIRONMENT_IS_NODE) { |
| 4230 throw new FS.ErrnoError(ERRNO_CODES.EOPNOTSUPP); |
| 4231 } |
| 4232 if (sock.server) { |
| 4233 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); // already listening |
| 4234 } |
| 4235 var WebSocketServer = require('ws').Server; |
| 4236 var host = sock.saddr; |
| 4237 sock.server = new WebSocketServer({ |
| 4238 host: host, |
| 4239 port: sock.sport |
| 4240 // TODO support backlog |
| 4241 }); |
| 4242 |
| 4243 sock.server.on('connection', function(ws) { |
| 4244 if (sock.type === 1) { |
| 4245 var newsock = SOCKFS.createSocket(sock.family, sock.type, sock.pro
tocol); |
| 4246 |
| 4247 // create a peer on the new socket |
| 4248 var peer = SOCKFS.websocket_sock_ops.createPeer(newsock, ws); |
| 4249 newsock.daddr = peer.addr; |
| 4250 newsock.dport = peer.port; |
| 4251 |
| 4252 // push to queue for accept to pick up |
| 4253 sock.pending.push(newsock); |
| 4254 } else { |
| 4255 // create a peer on the listen socket so calling sendto |
| 4256 // with the listen socket and an address will resolve |
| 4257 // to the correct client |
| 4258 SOCKFS.websocket_sock_ops.createPeer(sock, ws); |
| 4259 } |
| 4260 }); |
| 4261 sock.server.on('closed', function() { |
| 4262 sock.server = null; |
| 4263 }); |
| 4264 sock.server.on('error', function() { |
| 4265 // don't throw |
| 4266 }); |
| 4267 },accept:function (listensock) { |
| 4268 if (!listensock.server) { |
| 4269 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 4270 } |
| 4271 var newsock = listensock.pending.shift(); |
| 4272 newsock.stream.flags = listensock.stream.flags; |
| 4273 return newsock; |
| 4274 },getname:function (sock, peer) { |
| 4275 var addr, port; |
| 4276 if (peer) { |
| 4277 if (sock.daddr === undefined || sock.dport === undefined) { |
| 4278 throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN); |
| 4279 } |
| 4280 addr = sock.daddr; |
| 4281 port = sock.dport; |
| 4282 } else { |
| 4283 // TODO saddr and sport will be set for bind()'d UDP sockets, but wh
at |
| 4284 // should we be returning for TCP sockets that've been connect()'d? |
| 4285 addr = sock.saddr || 0; |
| 4286 port = sock.sport || 0; |
| 4287 } |
| 4288 return { addr: addr, port: port }; |
| 4289 },sendmsg:function (sock, buffer, offset, length, addr, port) { |
| 4290 if (sock.type === 2) { |
| 4291 // connection-less sockets will honor the message address, |
| 4292 // and otherwise fall back to the bound destination address |
| 4293 if (addr === undefined || port === undefined) { |
| 4294 addr = sock.daddr; |
| 4295 port = sock.dport; |
| 4296 } |
| 4297 // if there was no address to fall back to, error out |
| 4298 if (addr === undefined || port === undefined) { |
| 4299 throw new FS.ErrnoError(ERRNO_CODES.EDESTADDRREQ); |
| 4300 } |
| 4301 } else { |
| 4302 // connection-based sockets will only use the bound |
| 4303 addr = sock.daddr; |
| 4304 port = sock.dport; |
| 4305 } |
| 4306 |
| 4307 // find the peer for the destination address |
| 4308 var dest = SOCKFS.websocket_sock_ops.getPeer(sock, addr, port); |
| 4309 |
| 4310 // early out if not connected with a connection-based socket |
| 4311 if (sock.type === 1) { |
| 4312 if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.
socket.readyState === dest.socket.CLOSED) { |
| 4313 throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN); |
| 4314 } else if (dest.socket.readyState === dest.socket.CONNECTING) { |
| 4315 throw new FS.ErrnoError(ERRNO_CODES.EAGAIN); |
| 4316 } |
| 4317 } |
| 4318 |
| 4319 // create a copy of the incoming data to send, as the WebSocket API |
| 4320 // doesn't work entirely with an ArrayBufferView, it'll just send |
| 4321 // the entire underlying buffer |
| 4322 var data; |
| 4323 if (buffer instanceof Array || buffer instanceof ArrayBuffer) { |
| 4324 data = buffer.slice(offset, offset + length); |
| 4325 } else { // ArrayBufferView |
| 4326 data = buffer.buffer.slice(buffer.byteOffset + offset, buffer.byteOf
fset + offset + length); |
| 4327 } |
| 4328 |
| 4329 // if we're emulating a connection-less dgram socket and don't have |
| 4330 // a cached connection, queue the buffer to send upon connect and |
| 4331 // lie, saying the data was sent now. |
| 4332 if (sock.type === 2) { |
| 4333 if (!dest || dest.socket.readyState !== dest.socket.OPEN) { |
| 4334 // if we're not connected, open a new connection |
| 4335 if (!dest || dest.socket.readyState === dest.socket.CLOSING || des
t.socket.readyState === dest.socket.CLOSED) { |
| 4336 dest = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port); |
| 4337 } |
| 4338 dest.dgram_send_queue.push(data); |
| 4339 return length; |
| 4340 } |
| 4341 } |
| 4342 |
| 4343 try { |
| 4344 // send the actual data |
| 4345 dest.socket.send(data); |
| 4346 return length; |
| 4347 } catch (e) { |
| 4348 throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 4349 } |
| 4350 },recvmsg:function (sock, length) { |
| 4351 // http://pubs.opengroup.org/onlinepubs/7908799/xns/recvmsg.html |
| 4352 if (sock.type === 1 && sock.server) { |
| 4353 // tcp servers should not be recv()'ing on the listen socket |
| 4354 throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN); |
| 4355 } |
| 4356 |
| 4357 var queued = sock.recv_queue.shift(); |
| 4358 if (!queued) { |
| 4359 if (sock.type === 1) { |
| 4360 var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, soc
k.dport); |
| 4361 |
| 4362 if (!dest) { |
| 4363 // if we have a destination address but are not connected, error
out |
| 4364 throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN); |
| 4365 } |
| 4366 else if (dest.socket.readyState === dest.socket.CLOSING || dest.so
cket.readyState === dest.socket.CLOSED) { |
| 4367 // return null if the socket has closed |
| 4368 return null; |
| 4369 } |
| 4370 else { |
| 4371 // else, our socket is in a valid state but truly has nothing av
ailable |
| 4372 throw new FS.ErrnoError(ERRNO_CODES.EAGAIN); |
| 4373 } |
| 4374 } else { |
| 4375 throw new FS.ErrnoError(ERRNO_CODES.EAGAIN); |
| 4376 } |
| 4377 } |
| 4378 |
| 4379 // queued.data will be an ArrayBuffer if it's unadulterated, but if it
's |
| 4380 // requeued TCP data it'll be an ArrayBufferView |
| 4381 var queuedLength = queued.data.byteLength || queued.data.length; |
| 4382 var queuedOffset = queued.data.byteOffset || 0; |
| 4383 var queuedBuffer = queued.data.buffer || queued.data; |
| 4384 var bytesRead = Math.min(length, queuedLength); |
| 4385 var res = { |
| 4386 buffer: new Uint8Array(queuedBuffer, queuedOffset, bytesRead), |
| 4387 addr: queued.addr, |
| 4388 port: queued.port |
| 4389 }; |
| 4390 |
| 4391 |
| 4392 // push back any unread data for TCP connections |
| 4393 if (sock.type === 1 && bytesRead < queuedLength) { |
| 4394 var bytesRemaining = queuedLength - bytesRead; |
| 4395 queued.data = new Uint8Array(queuedBuffer, queuedOffset + bytesRead,
bytesRemaining); |
| 4396 sock.recv_queue.unshift(queued); |
| 4397 } |
| 4398 |
| 4399 return res; |
| 4400 }}};function _send(fd, buf, len, flags) { |
| 4401 var sock = SOCKFS.getSocket(fd); |
| 4402 if (!sock) { |
| 4403 ___setErrNo(ERRNO_CODES.EBADF); |
| 4404 return -1; |
| 4405 } |
| 4406 // TODO honor flags |
| 4407 return _write(fd, buf, len); |
| 4408 } |
| 4409 |
| 4410 function _pwrite(fildes, buf, nbyte, offset) { |
| 4411 // ssize_t pwrite(int fildes, const void *buf, size_t nbyte, off_t offset)
; |
| 4412 // http://pubs.opengroup.org/onlinepubs/000095399/functions/write.html |
| 4413 var stream = FS.getStream(fildes); |
| 4414 if (!stream) { |
| 4415 ___setErrNo(ERRNO_CODES.EBADF); |
| 4416 return -1; |
| 4417 } |
| 4418 try { |
| 4419 var slab = HEAP8; |
| 4420 return FS.write(stream, slab, buf, nbyte, offset); |
| 4421 } catch (e) { |
| 4422 FS.handleFSError(e); |
| 4423 return -1; |
| 4424 } |
| 4425 }function _write(fildes, buf, nbyte) { |
| 4426 // ssize_t write(int fildes, const void *buf, size_t nbyte); |
| 4427 // http://pubs.opengroup.org/onlinepubs/000095399/functions/write.html |
| 4428 var stream = FS.getStream(fildes); |
| 4429 if (!stream) { |
| 4430 ___setErrNo(ERRNO_CODES.EBADF); |
| 4431 return -1; |
| 4432 } |
| 4433 |
| 4434 |
| 4435 try { |
| 4436 var slab = HEAP8; |
| 4437 return FS.write(stream, slab, buf, nbyte); |
| 4438 } catch (e) { |
| 4439 FS.handleFSError(e); |
| 4440 return -1; |
| 4441 } |
| 4442 } |
| 4443 |
| 4444 function _fileno(stream) { |
| 4445 // int fileno(FILE *stream); |
| 4446 // http://pubs.opengroup.org/onlinepubs/000095399/functions/fileno.html |
| 4447 stream = FS.getStreamFromPtr(stream); |
| 4448 if (!stream) return -1; |
| 4449 return stream.fd; |
| 4450 }function _fwrite(ptr, size, nitems, stream) { |
| 4451 // size_t fwrite(const void *restrict ptr, size_t size, size_t nitems, FIL
E *restrict stream); |
| 4452 // http://pubs.opengroup.org/onlinepubs/000095399/functions/fwrite.html |
| 4453 var bytesToWrite = nitems * size; |
| 4454 if (bytesToWrite == 0) return 0; |
| 4455 var fd = _fileno(stream); |
| 4456 var bytesWritten = _write(fd, ptr, bytesToWrite); |
| 4457 if (bytesWritten == -1) { |
| 4458 var streamObj = FS.getStreamFromPtr(stream); |
| 4459 if (streamObj) streamObj.error = true; |
| 4460 return 0; |
| 4461 } else { |
| 4462 return Math.floor(bytesWritten / size); |
| 4463 } |
| 4464 } |
| 4465 |
| 4466 |
| 4467 |
| 4468 Module["_strlen"] = _strlen; |
| 4469 |
| 4470 function __reallyNegative(x) { |
| 4471 return x < 0 || (x === 0 && (1/x) === -Infinity); |
| 4472 }function __formatString(format, varargs) { |
| 4473 var textIndex = format; |
| 4474 var argIndex = 0; |
| 4475 function getNextArg(type) { |
| 4476 // NOTE: Explicitly ignoring type safety. Otherwise this fails: |
| 4477 // int x = 4; printf("%c\n", (char)x); |
| 4478 var ret; |
| 4479 if (type === 'double') { |
| 4480 ret = HEAPF64[(((varargs)+(argIndex))>>3)]; |
| 4481 } else if (type == 'i64') { |
| 4482 ret = [HEAP32[(((varargs)+(argIndex))>>2)], |
| 4483 HEAP32[(((varargs)+(argIndex+4))>>2)]]; |
| 4484 |
| 4485 } else { |
| 4486 type = 'i32'; // varargs are always i32, i64, or double |
| 4487 ret = HEAP32[(((varargs)+(argIndex))>>2)]; |
| 4488 } |
| 4489 argIndex += Runtime.getNativeFieldSize(type); |
| 4490 return ret; |
| 4491 } |
| 4492 |
| 4493 var ret = []; |
| 4494 var curr, next, currArg; |
| 4495 while(1) { |
| 4496 var startTextIndex = textIndex; |
| 4497 curr = HEAP8[(textIndex)]; |
| 4498 if (curr === 0) break; |
| 4499 next = HEAP8[((textIndex+1)|0)]; |
| 4500 if (curr == 37) { |
| 4501 // Handle flags. |
| 4502 var flagAlwaysSigned = false; |
| 4503 var flagLeftAlign = false; |
| 4504 var flagAlternative = false; |
| 4505 var flagZeroPad = false; |
| 4506 var flagPadSign = false; |
| 4507 flagsLoop: while (1) { |
| 4508 switch (next) { |
| 4509 case 43: |
| 4510 flagAlwaysSigned = true; |
| 4511 break; |
| 4512 case 45: |
| 4513 flagLeftAlign = true; |
| 4514 break; |
| 4515 case 35: |
| 4516 flagAlternative = true; |
| 4517 break; |
| 4518 case 48: |
| 4519 if (flagZeroPad) { |
| 4520 break flagsLoop; |
| 4521 } else { |
| 4522 flagZeroPad = true; |
| 4523 break; |
| 4524 } |
| 4525 case 32: |
| 4526 flagPadSign = true; |
| 4527 break; |
| 4528 default: |
| 4529 break flagsLoop; |
| 4530 } |
| 4531 textIndex++; |
| 4532 next = HEAP8[((textIndex+1)|0)]; |
| 4533 } |
| 4534 |
| 4535 // Handle width. |
| 4536 var width = 0; |
| 4537 if (next == 42) { |
| 4538 width = getNextArg('i32'); |
| 4539 textIndex++; |
| 4540 next = HEAP8[((textIndex+1)|0)]; |
| 4541 } else { |
| 4542 while (next >= 48 && next <= 57) { |
| 4543 width = width * 10 + (next - 48); |
| 4544 textIndex++; |
| 4545 next = HEAP8[((textIndex+1)|0)]; |
| 4546 } |
| 4547 } |
| 4548 |
| 4549 // Handle precision. |
| 4550 var precisionSet = false, precision = -1; |
| 4551 if (next == 46) { |
| 4552 precision = 0; |
| 4553 precisionSet = true; |
| 4554 textIndex++; |
| 4555 next = HEAP8[((textIndex+1)|0)]; |
| 4556 if (next == 42) { |
| 4557 precision = getNextArg('i32'); |
| 4558 textIndex++; |
| 4559 } else { |
| 4560 while(1) { |
| 4561 var precisionChr = HEAP8[((textIndex+1)|0)]; |
| 4562 if (precisionChr < 48 || |
| 4563 precisionChr > 57) break; |
| 4564 precision = precision * 10 + (precisionChr - 48); |
| 4565 textIndex++; |
| 4566 } |
| 4567 } |
| 4568 next = HEAP8[((textIndex+1)|0)]; |
| 4569 } |
| 4570 if (precision < 0) { |
| 4571 precision = 6; // Standard default. |
| 4572 precisionSet = false; |
| 4573 } |
| 4574 |
| 4575 // Handle integer sizes. WARNING: These assume a 32-bit architecture! |
| 4576 var argSize; |
| 4577 switch (String.fromCharCode(next)) { |
| 4578 case 'h': |
| 4579 var nextNext = HEAP8[((textIndex+2)|0)]; |
| 4580 if (nextNext == 104) { |
| 4581 textIndex++; |
| 4582 argSize = 1; // char (actually i32 in varargs) |
| 4583 } else { |
| 4584 argSize = 2; // short (actually i32 in varargs) |
| 4585 } |
| 4586 break; |
| 4587 case 'l': |
| 4588 var nextNext = HEAP8[((textIndex+2)|0)]; |
| 4589 if (nextNext == 108) { |
| 4590 textIndex++; |
| 4591 argSize = 8; // long long |
| 4592 } else { |
| 4593 argSize = 4; // long |
| 4594 } |
| 4595 break; |
| 4596 case 'L': // long long |
| 4597 case 'q': // int64_t |
| 4598 case 'j': // intmax_t |
| 4599 argSize = 8; |
| 4600 break; |
| 4601 case 'z': // size_t |
| 4602 case 't': // ptrdiff_t |
| 4603 case 'I': // signed ptrdiff_t or unsigned size_t |
| 4604 argSize = 4; |
| 4605 break; |
| 4606 default: |
| 4607 argSize = null; |
| 4608 } |
| 4609 if (argSize) textIndex++; |
| 4610 next = HEAP8[((textIndex+1)|0)]; |
| 4611 |
| 4612 // Handle type specifier. |
| 4613 switch (String.fromCharCode(next)) { |
| 4614 case 'd': case 'i': case 'u': case 'o': case 'x': case 'X': case 'p'
: { |
| 4615 // Integer. |
| 4616 var signed = next == 100 || next == 105; |
| 4617 argSize = argSize || 4; |
| 4618 var currArg = getNextArg('i' + (argSize * 8)); |
| 4619 var argText; |
| 4620 // Flatten i64-1 [low, high] into a (slightly rounded) double |
| 4621 if (argSize == 8) { |
| 4622 currArg = Runtime.makeBigInt(currArg[0], currArg[1], next == 117
); |
| 4623 } |
| 4624 // Truncate to requested size. |
| 4625 if (argSize <= 4) { |
| 4626 var limit = Math.pow(256, argSize) - 1; |
| 4627 currArg = (signed ? reSign : unSign)(currArg & limit, argSize *
8); |
| 4628 } |
| 4629 // Format the number. |
| 4630 var currAbsArg = Math.abs(currArg); |
| 4631 var prefix = ''; |
| 4632 if (next == 100 || next == 105) { |
| 4633 argText = reSign(currArg, 8 * argSize, 1).toString(10); |
| 4634 } else if (next == 117) { |
| 4635 argText = unSign(currArg, 8 * argSize, 1).toString(10); |
| 4636 currArg = Math.abs(currArg); |
| 4637 } else if (next == 111) { |
| 4638 argText = (flagAlternative ? '0' : '') + currAbsArg.toString(8); |
| 4639 } else if (next == 120 || next == 88) { |
| 4640 prefix = (flagAlternative && currArg != 0) ? '0x' : ''; |
| 4641 if (currArg < 0) { |
| 4642 // Represent negative numbers in hex as 2's complement. |
| 4643 currArg = -currArg; |
| 4644 argText = (currAbsArg - 1).toString(16); |
| 4645 var buffer = []; |
| 4646 for (var i = 0; i < argText.length; i++) { |
| 4647 buffer.push((0xF - parseInt(argText[i], 16)).toString(16)); |
| 4648 } |
| 4649 argText = buffer.join(''); |
| 4650 while (argText.length < argSize * 2) argText = 'f' + argText; |
| 4651 } else { |
| 4652 argText = currAbsArg.toString(16); |
| 4653 } |
| 4654 if (next == 88) { |
| 4655 prefix = prefix.toUpperCase(); |
| 4656 argText = argText.toUpperCase(); |
| 4657 } |
| 4658 } else if (next == 112) { |
| 4659 if (currAbsArg === 0) { |
| 4660 argText = '(nil)'; |
| 4661 } else { |
| 4662 prefix = '0x'; |
| 4663 argText = currAbsArg.toString(16); |
| 4664 } |
| 4665 } |
| 4666 if (precisionSet) { |
| 4667 while (argText.length < precision) { |
| 4668 argText = '0' + argText; |
| 4669 } |
| 4670 } |
| 4671 |
| 4672 // Add sign if needed |
| 4673 if (currArg >= 0) { |
| 4674 if (flagAlwaysSigned) { |
| 4675 prefix = '+' + prefix; |
| 4676 } else if (flagPadSign) { |
| 4677 prefix = ' ' + prefix; |
| 4678 } |
| 4679 } |
| 4680 |
| 4681 // Move sign to prefix so we zero-pad after the sign |
| 4682 if (argText.charAt(0) == '-') { |
| 4683 prefix = '-' + prefix; |
| 4684 argText = argText.substr(1); |
| 4685 } |
| 4686 |
| 4687 // Add padding. |
| 4688 while (prefix.length + argText.length < width) { |
| 4689 if (flagLeftAlign) { |
| 4690 argText += ' '; |
| 4691 } else { |
| 4692 if (flagZeroPad) { |
| 4693 argText = '0' + argText; |
| 4694 } else { |
| 4695 prefix = ' ' + prefix; |
| 4696 } |
| 4697 } |
| 4698 } |
| 4699 |
| 4700 // Insert the result into the buffer. |
| 4701 argText = prefix + argText; |
| 4702 argText.split('').forEach(function(chr) { |
| 4703 ret.push(chr.charCodeAt(0)); |
| 4704 }); |
| 4705 break; |
| 4706 } |
| 4707 case 'f': case 'F': case 'e': case 'E': case 'g': case 'G': { |
| 4708 // Float. |
| 4709 var currArg = getNextArg('double'); |
| 4710 var argText; |
| 4711 if (isNaN(currArg)) { |
| 4712 argText = 'nan'; |
| 4713 flagZeroPad = false; |
| 4714 } else if (!isFinite(currArg)) { |
| 4715 argText = (currArg < 0 ? '-' : '') + 'inf'; |
| 4716 flagZeroPad = false; |
| 4717 } else { |
| 4718 var isGeneral = false; |
| 4719 var effectivePrecision = Math.min(precision, 20); |
| 4720 |
| 4721 // Convert g/G to f/F or e/E, as per: |
| 4722 // http://pubs.opengroup.org/onlinepubs/9699919799/functions/pri
ntf.html |
| 4723 if (next == 103 || next == 71) { |
| 4724 isGeneral = true; |
| 4725 precision = precision || 1; |
| 4726 var exponent = parseInt(currArg.toExponential(effectivePrecisi
on).split('e')[1], 10); |
| 4727 if (precision > exponent && exponent >= -4) { |
| 4728 next = ((next == 103) ? 'f' : 'F').charCodeAt(0); |
| 4729 precision -= exponent + 1; |
| 4730 } else { |
| 4731 next = ((next == 103) ? 'e' : 'E').charCodeAt(0); |
| 4732 precision--; |
| 4733 } |
| 4734 effectivePrecision = Math.min(precision, 20); |
| 4735 } |
| 4736 |
| 4737 if (next == 101 || next == 69) { |
| 4738 argText = currArg.toExponential(effectivePrecision); |
| 4739 // Make sure the exponent has at least 2 digits. |
| 4740 if (/[eE][-+]\d$/.test(argText)) { |
| 4741 argText = argText.slice(0, -1) + '0' + argText.slice(-1); |
| 4742 } |
| 4743 } else if (next == 102 || next == 70) { |
| 4744 argText = currArg.toFixed(effectivePrecision); |
| 4745 if (currArg === 0 && __reallyNegative(currArg)) { |
| 4746 argText = '-' + argText; |
| 4747 } |
| 4748 } |
| 4749 |
| 4750 var parts = argText.split('e'); |
| 4751 if (isGeneral && !flagAlternative) { |
| 4752 // Discard trailing zeros and periods. |
| 4753 while (parts[0].length > 1 && parts[0].indexOf('.') != -1 && |
| 4754 (parts[0].slice(-1) == '0' || parts[0].slice(-1) == '.'
)) { |
| 4755 parts[0] = parts[0].slice(0, -1); |
| 4756 } |
| 4757 } else { |
| 4758 // Make sure we have a period in alternative mode. |
| 4759 if (flagAlternative && argText.indexOf('.') == -1) parts[0] +=
'.'; |
| 4760 // Zero pad until required precision. |
| 4761 while (precision > effectivePrecision++) parts[0] += '0'; |
| 4762 } |
| 4763 argText = parts[0] + (parts.length > 1 ? 'e' + parts[1] : ''); |
| 4764 |
| 4765 // Capitalize 'E' if needed. |
| 4766 if (next == 69) argText = argText.toUpperCase(); |
| 4767 |
| 4768 // Add sign. |
| 4769 if (currArg >= 0) { |
| 4770 if (flagAlwaysSigned) { |
| 4771 argText = '+' + argText; |
| 4772 } else if (flagPadSign) { |
| 4773 argText = ' ' + argText; |
| 4774 } |
| 4775 } |
| 4776 } |
| 4777 |
| 4778 // Add padding. |
| 4779 while (argText.length < width) { |
| 4780 if (flagLeftAlign) { |
| 4781 argText += ' '; |
| 4782 } else { |
| 4783 if (flagZeroPad && (argText[0] == '-' || argText[0] == '+')) { |
| 4784 argText = argText[0] + '0' + argText.slice(1); |
| 4785 } else { |
| 4786 argText = (flagZeroPad ? '0' : ' ') + argText; |
| 4787 } |
| 4788 } |
| 4789 } |
| 4790 |
| 4791 // Adjust case. |
| 4792 if (next < 97) argText = argText.toUpperCase(); |
| 4793 |
| 4794 // Insert the result into the buffer. |
| 4795 argText.split('').forEach(function(chr) { |
| 4796 ret.push(chr.charCodeAt(0)); |
| 4797 }); |
| 4798 break; |
| 4799 } |
| 4800 case 's': { |
| 4801 // String. |
| 4802 var arg = getNextArg('i8*'); |
| 4803 var argLength = arg ? _strlen(arg) : '(null)'.length; |
| 4804 if (precisionSet) argLength = Math.min(argLength, precision); |
| 4805 if (!flagLeftAlign) { |
| 4806 while (argLength < width--) { |
| 4807 ret.push(32); |
| 4808 } |
| 4809 } |
| 4810 if (arg) { |
| 4811 for (var i = 0; i < argLength; i++) { |
| 4812 ret.push(HEAPU8[((arg++)|0)]); |
| 4813 } |
| 4814 } else { |
| 4815 ret = ret.concat(intArrayFromString('(null)'.substr(0, argLength
), true)); |
| 4816 } |
| 4817 if (flagLeftAlign) { |
| 4818 while (argLength < width--) { |
| 4819 ret.push(32); |
| 4820 } |
| 4821 } |
| 4822 break; |
| 4823 } |
| 4824 case 'c': { |
| 4825 // Character. |
| 4826 if (flagLeftAlign) ret.push(getNextArg('i8')); |
| 4827 while (--width > 0) { |
| 4828 ret.push(32); |
| 4829 } |
| 4830 if (!flagLeftAlign) ret.push(getNextArg('i8')); |
| 4831 break; |
| 4832 } |
| 4833 case 'n': { |
| 4834 // Write the length written so far to the next parameter. |
| 4835 var ptr = getNextArg('i32*'); |
| 4836 HEAP32[((ptr)>>2)]=ret.length; |
| 4837 break; |
| 4838 } |
| 4839 case '%': { |
| 4840 // Literal percent sign. |
| 4841 ret.push(curr); |
| 4842 break; |
| 4843 } |
| 4844 default: { |
| 4845 // Unknown specifiers remain untouched. |
| 4846 for (var i = startTextIndex; i < textIndex + 2; i++) { |
| 4847 ret.push(HEAP8[(i)]); |
| 4848 } |
| 4849 } |
| 4850 } |
| 4851 textIndex += 2; |
| 4852 // TODO: Support a/A (hex float) and m (last error) specifiers. |
| 4853 // TODO: Support %1${specifier} for arg selection. |
| 4854 } else { |
| 4855 ret.push(curr); |
| 4856 textIndex += 1; |
| 4857 } |
| 4858 } |
| 4859 return ret; |
| 4860 }function _fprintf(stream, format, varargs) { |
| 4861 // int fprintf(FILE *restrict stream, const char *restrict format, ...); |
| 4862 // http://pubs.opengroup.org/onlinepubs/000095399/functions/printf.html |
| 4863 var result = __formatString(format, varargs); |
| 4864 var stack = Runtime.stackSave(); |
| 4865 var ret = _fwrite(allocate(result, 'i8', ALLOC_STACK), 1, result.length, s
tream); |
| 4866 Runtime.stackRestore(stack); |
| 4867 return ret; |
| 4868 }function _printf(format, varargs) { |
| 4869 // int printf(const char *restrict format, ...); |
| 4870 // http://pubs.opengroup.org/onlinepubs/000095399/functions/printf.html |
| 4871 var stdout = HEAP32[((_stdout)>>2)]; |
| 4872 return _fprintf(stdout, format, varargs); |
| 4873 } |
| 4874 |
| 4875 function _sbrk(bytes) { |
| 4876 // Implement a Linux-like 'memory area' for our 'process'. |
| 4877 // Changes the size of the memory area by |bytes|; returns the |
| 4878 // address of the previous top ('break') of the memory area |
| 4879 // We control the "dynamic" memory - DYNAMIC_BASE to DYNAMICTOP |
| 4880 var self = _sbrk; |
| 4881 if (!self.called) { |
| 4882 DYNAMICTOP = alignMemoryPage(DYNAMICTOP); // make sure we start out alig
ned |
| 4883 self.called = true; |
| 4884 assert(Runtime.dynamicAlloc); |
| 4885 self.alloc = Runtime.dynamicAlloc; |
| 4886 Runtime.dynamicAlloc = function() { abort('cannot dynamically allocate,
sbrk now has control') }; |
| 4887 } |
| 4888 var ret = DYNAMICTOP; |
| 4889 if (bytes != 0) self.alloc(bytes); |
| 4890 return ret; // Previous break location. |
| 4891 } |
| 4892 |
| 4893 function _sysconf(name) { |
| 4894 // long sysconf(int name); |
| 4895 // http://pubs.opengroup.org/onlinepubs/009695399/functions/sysconf.html |
| 4896 switch(name) { |
| 4897 case 30: return PAGE_SIZE; |
| 4898 case 132: |
| 4899 case 133: |
| 4900 case 12: |
| 4901 case 137: |
| 4902 case 138: |
| 4903 case 15: |
| 4904 case 235: |
| 4905 case 16: |
| 4906 case 17: |
| 4907 case 18: |
| 4908 case 19: |
| 4909 case 20: |
| 4910 case 149: |
| 4911 case 13: |
| 4912 case 10: |
| 4913 case 236: |
| 4914 case 153: |
| 4915 case 9: |
| 4916 case 21: |
| 4917 case 22: |
| 4918 case 159: |
| 4919 case 154: |
| 4920 case 14: |
| 4921 case 77: |
| 4922 case 78: |
| 4923 case 139: |
| 4924 case 80: |
| 4925 case 81: |
| 4926 case 79: |
| 4927 case 82: |
| 4928 case 68: |
| 4929 case 67: |
| 4930 case 164: |
| 4931 case 11: |
| 4932 case 29: |
| 4933 case 47: |
| 4934 case 48: |
| 4935 case 95: |
| 4936 case 52: |
| 4937 case 51: |
| 4938 case 46: |
| 4939 return 200809; |
| 4940 case 27: |
| 4941 case 246: |
| 4942 case 127: |
| 4943 case 128: |
| 4944 case 23: |
| 4945 case 24: |
| 4946 case 160: |
| 4947 case 161: |
| 4948 case 181: |
| 4949 case 182: |
| 4950 case 242: |
| 4951 case 183: |
| 4952 case 184: |
| 4953 case 243: |
| 4954 case 244: |
| 4955 case 245: |
| 4956 case 165: |
| 4957 case 178: |
| 4958 case 179: |
| 4959 case 49: |
| 4960 case 50: |
| 4961 case 168: |
| 4962 case 169: |
| 4963 case 175: |
| 4964 case 170: |
| 4965 case 171: |
| 4966 case 172: |
| 4967 case 97: |
| 4968 case 76: |
| 4969 case 32: |
| 4970 case 173: |
| 4971 case 35: |
| 4972 return -1; |
| 4973 case 176: |
| 4974 case 177: |
| 4975 case 7: |
| 4976 case 155: |
| 4977 case 8: |
| 4978 case 157: |
| 4979 case 125: |
| 4980 case 126: |
| 4981 case 92: |
| 4982 case 93: |
| 4983 case 129: |
| 4984 case 130: |
| 4985 case 131: |
| 4986 case 94: |
| 4987 case 91: |
| 4988 return 1; |
| 4989 case 74: |
| 4990 case 60: |
| 4991 case 69: |
| 4992 case 70: |
| 4993 case 4: |
| 4994 return 1024; |
| 4995 case 31: |
| 4996 case 42: |
| 4997 case 72: |
| 4998 return 32; |
| 4999 case 87: |
| 5000 case 26: |
| 5001 case 33: |
| 5002 return 2147483647; |
| 5003 case 34: |
| 5004 case 1: |
| 5005 return 47839; |
| 5006 case 38: |
| 5007 case 36: |
| 5008 return 99; |
| 5009 case 43: |
| 5010 case 37: |
| 5011 return 2048; |
| 5012 case 0: return 2097152; |
| 5013 case 3: return 65536; |
| 5014 case 28: return 32768; |
| 5015 case 44: return 32767; |
| 5016 case 75: return 16384; |
| 5017 case 39: return 1000; |
| 5018 case 89: return 700; |
| 5019 case 71: return 256; |
| 5020 case 40: return 255; |
| 5021 case 2: return 100; |
| 5022 case 180: return 64; |
| 5023 case 25: return 20; |
| 5024 case 5: return 16; |
| 5025 case 6: return 6; |
| 5026 case 73: return 4; |
| 5027 case 84: return 1; |
| 5028 } |
| 5029 ___setErrNo(ERRNO_CODES.EINVAL); |
| 5030 return -1; |
| 5031 } |
| 5032 |
| 5033 |
| 5034 Module["_memset"] = _memset; |
| 5035 |
| 5036 function ___errno_location() { |
| 5037 return ___errno_state; |
| 5038 } |
| 5039 |
| 5040 function _abort() { |
| 5041 Module['abort'](); |
| 5042 } |
| 5043 |
| 5044 var Browser={mainLoop:{scheduler:null,method:"",shouldPause:false,paused:false
,queue:[],pause:function () { |
| 5045 Browser.mainLoop.shouldPause = true; |
| 5046 },resume:function () { |
| 5047 if (Browser.mainLoop.paused) { |
| 5048 Browser.mainLoop.paused = false; |
| 5049 Browser.mainLoop.scheduler(); |
| 5050 } |
| 5051 Browser.mainLoop.shouldPause = false; |
| 5052 },updateStatus:function () { |
| 5053 if (Module['setStatus']) { |
| 5054 var message = Module['statusMessage'] || 'Please wait...'; |
| 5055 var remaining = Browser.mainLoop.remainingBlockers; |
| 5056 var expected = Browser.mainLoop.expectedBlockers; |
| 5057 if (remaining) { |
| 5058 if (remaining < expected) { |
| 5059 Module['setStatus'](message + ' (' + (expected - remaining) + '/
' + expected + ')'); |
| 5060 } else { |
| 5061 Module['setStatus'](message); |
| 5062 } |
| 5063 } else { |
| 5064 Module['setStatus'](''); |
| 5065 } |
| 5066 } |
| 5067 }},isFullScreen:false,pointerLock:false,moduleContextCreatedCallbacks:[]
,workers:[],init:function () { |
| 5068 if (!Module["preloadPlugins"]) Module["preloadPlugins"] = []; // needs t
o exist even in workers |
| 5069 |
| 5070 if (Browser.initted || ENVIRONMENT_IS_WORKER) return; |
| 5071 Browser.initted = true; |
| 5072 |
| 5073 try { |
| 5074 new Blob(); |
| 5075 Browser.hasBlobConstructor = true; |
| 5076 } catch(e) { |
| 5077 Browser.hasBlobConstructor = false; |
| 5078 console.log("warning: no blob constructor, cannot create blobs with mi
metypes"); |
| 5079 } |
| 5080 Browser.BlobBuilder = typeof MozBlobBuilder != "undefined" ? MozBlobBuil
der : (typeof WebKitBlobBuilder != "undefined" ? WebKitBlobBuilder : (!Browser.h
asBlobConstructor ? console.log("warning: no BlobBuilder") : null)); |
| 5081 Browser.URLObject = typeof window != "undefined" ? (window.URL ? window.
URL : window.webkitURL) : undefined; |
| 5082 if (!Module.noImageDecoding && typeof Browser.URLObject === 'undefined')
{ |
| 5083 console.log("warning: Browser does not support creating object URLs. B
uilt-in browser image decoding will not be available."); |
| 5084 Module.noImageDecoding = true; |
| 5085 } |
| 5086 |
| 5087 // Support for plugins that can process preloaded files. You can add mor
e of these to |
| 5088 // your app by creating and appending to Module.preloadPlugins. |
| 5089 // |
| 5090 // Each plugin is asked if it can handle a file based on the file's name
. If it can, |
| 5091 // it is given the file's raw data. When it is done, it calls a callback
with the file's |
| 5092 // (possibly modified) data. For example, a plugin might decompress a fi
le, or it |
| 5093 // might create some side data structure for use later (like an Image el
ement, etc.). |
| 5094 |
| 5095 var imagePlugin = {}; |
| 5096 imagePlugin['canHandle'] = function imagePlugin_canHandle(name) { |
| 5097 return !Module.noImageDecoding && /\.(jpg|jpeg|png|bmp)$/i.test(name); |
| 5098 }; |
| 5099 imagePlugin['handle'] = function imagePlugin_handle(byteArray, name, onl
oad, onerror) { |
| 5100 var b = null; |
| 5101 if (Browser.hasBlobConstructor) { |
| 5102 try { |
| 5103 b = new Blob([byteArray], { type: Browser.getMimetype(name) }); |
| 5104 if (b.size !== byteArray.length) { // Safari bug #118630 |
| 5105 // Safari's Blob can only take an ArrayBuffer |
| 5106 b = new Blob([(new Uint8Array(byteArray)).buffer], { type: Brows
er.getMimetype(name) }); |
| 5107 } |
| 5108 } catch(e) { |
| 5109 Runtime.warnOnce('Blob constructor present but fails: ' + e + '; f
alling back to blob builder'); |
| 5110 } |
| 5111 } |
| 5112 if (!b) { |
| 5113 var bb = new Browser.BlobBuilder(); |
| 5114 bb.append((new Uint8Array(byteArray)).buffer); // we need to pass a
buffer, and must copy the array to get the right data range |
| 5115 b = bb.getBlob(); |
| 5116 } |
| 5117 var url = Browser.URLObject.createObjectURL(b); |
| 5118 var img = new Image(); |
| 5119 img.onload = function img_onload() { |
| 5120 assert(img.complete, 'Image ' + name + ' could not be decoded'); |
| 5121 var canvas = document.createElement('canvas'); |
| 5122 canvas.width = img.width; |
| 5123 canvas.height = img.height; |
| 5124 var ctx = canvas.getContext('2d'); |
| 5125 ctx.drawImage(img, 0, 0); |
| 5126 Module["preloadedImages"][name] = canvas; |
| 5127 Browser.URLObject.revokeObjectURL(url); |
| 5128 if (onload) onload(byteArray); |
| 5129 }; |
| 5130 img.onerror = function img_onerror(event) { |
| 5131 console.log('Image ' + url + ' could not be decoded'); |
| 5132 if (onerror) onerror(); |
| 5133 }; |
| 5134 img.src = url; |
| 5135 }; |
| 5136 Module['preloadPlugins'].push(imagePlugin); |
| 5137 |
| 5138 var audioPlugin = {}; |
| 5139 audioPlugin['canHandle'] = function audioPlugin_canHandle(name) { |
| 5140 return !Module.noAudioDecoding && name.substr(-4) in { '.ogg': 1, '.wa
v': 1, '.mp3': 1 }; |
| 5141 }; |
| 5142 audioPlugin['handle'] = function audioPlugin_handle(byteArray, name, onl
oad, onerror) { |
| 5143 var done = false; |
| 5144 function finish(audio) { |
| 5145 if (done) return; |
| 5146 done = true; |
| 5147 Module["preloadedAudios"][name] = audio; |
| 5148 if (onload) onload(byteArray); |
| 5149 } |
| 5150 function fail() { |
| 5151 if (done) return; |
| 5152 done = true; |
| 5153 Module["preloadedAudios"][name] = new Audio(); // empty shim |
| 5154 if (onerror) onerror(); |
| 5155 } |
| 5156 if (Browser.hasBlobConstructor) { |
| 5157 try { |
| 5158 var b = new Blob([byteArray], { type: Browser.getMimetype(name) })
; |
| 5159 } catch(e) { |
| 5160 return fail(); |
| 5161 } |
| 5162 var url = Browser.URLObject.createObjectURL(b); // XXX we never revo
ke this! |
| 5163 var audio = new Audio(); |
| 5164 audio.addEventListener('canplaythrough', function() { finish(audio)
}, false); // use addEventListener due to chromium bug 124926 |
| 5165 audio.onerror = function audio_onerror(event) { |
| 5166 if (done) return; |
| 5167 console.log('warning: browser could not fully decode audio ' + nam
e + ', trying slower base64 approach'); |
| 5168 function encode64(data) { |
| 5169 var BASE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
0123456789+/'; |
| 5170 var PAD = '='; |
| 5171 var ret = ''; |
| 5172 var leftchar = 0; |
| 5173 var leftbits = 0; |
| 5174 for (var i = 0; i < data.length; i++) { |
| 5175 leftchar = (leftchar << 8) | data[i]; |
| 5176 leftbits += 8; |
| 5177 while (leftbits >= 6) { |
| 5178 var curr = (leftchar >> (leftbits-6)) & 0x3f; |
| 5179 leftbits -= 6; |
| 5180 ret += BASE[curr]; |
| 5181 } |
| 5182 } |
| 5183 if (leftbits == 2) { |
| 5184 ret += BASE[(leftchar&3) << 4]; |
| 5185 ret += PAD + PAD; |
| 5186 } else if (leftbits == 4) { |
| 5187 ret += BASE[(leftchar&0xf) << 2]; |
| 5188 ret += PAD; |
| 5189 } |
| 5190 return ret; |
| 5191 } |
| 5192 audio.src = 'data:audio/x-' + name.substr(-3) + ';base64,' + encod
e64(byteArray); |
| 5193 finish(audio); // we don't wait for confirmation this worked - but
it's worth trying |
| 5194 }; |
| 5195 audio.src = url; |
| 5196 // workaround for chrome bug 124926 - we do not always get oncanplay
through or onerror |
| 5197 Browser.safeSetTimeout(function() { |
| 5198 finish(audio); // try to use it even though it is not necessarily
ready to play |
| 5199 }, 10000); |
| 5200 } else { |
| 5201 return fail(); |
| 5202 } |
| 5203 }; |
| 5204 Module['preloadPlugins'].push(audioPlugin); |
| 5205 |
| 5206 // Canvas event setup |
| 5207 |
| 5208 var canvas = Module['canvas']; |
| 5209 |
| 5210 // forced aspect ratio can be enabled by defining 'forcedAspectRatio' on
Module |
| 5211 // Module['forcedAspectRatio'] = 4 / 3; |
| 5212 |
| 5213 canvas.requestPointerLock = canvas['requestPointerLock'] || |
| 5214 canvas['mozRequestPointerLock'] || |
| 5215 canvas['webkitRequestPointerLock'] || |
| 5216 canvas['msRequestPointerLock'] || |
| 5217 function(){}; |
| 5218 canvas.exitPointerLock = document['exitPointerLock'] || |
| 5219 document['mozExitPointerLock'] || |
| 5220 document['webkitExitPointerLock'] || |
| 5221 document['msExitPointerLock'] || |
| 5222 function(){}; // no-op if function does not exi
st |
| 5223 canvas.exitPointerLock = canvas.exitPointerLock.bind(document); |
| 5224 |
| 5225 function pointerLockChange() { |
| 5226 Browser.pointerLock = document['pointerLockElement'] === canvas || |
| 5227 document['mozPointerLockElement'] === canvas || |
| 5228 document['webkitPointerLockElement'] === canvas
|| |
| 5229 document['msPointerLockElement'] === canvas; |
| 5230 } |
| 5231 |
| 5232 document.addEventListener('pointerlockchange', pointerLockChange, false)
; |
| 5233 document.addEventListener('mozpointerlockchange', pointerLockChange, fal
se); |
| 5234 document.addEventListener('webkitpointerlockchange', pointerLockChange,
false); |
| 5235 document.addEventListener('mspointerlockchange', pointerLockChange, fals
e); |
| 5236 |
| 5237 if (Module['elementPointerLock']) { |
| 5238 canvas.addEventListener("click", function(ev) { |
| 5239 if (!Browser.pointerLock && canvas.requestPointerLock) { |
| 5240 canvas.requestPointerLock(); |
| 5241 ev.preventDefault(); |
| 5242 } |
| 5243 }, false); |
| 5244 } |
| 5245 },createContext:function (canvas, useWebGL, setInModule, webGLContextAttri
butes) { |
| 5246 var ctx; |
| 5247 var errorInfo = '?'; |
| 5248 function onContextCreationError(event) { |
| 5249 errorInfo = event.statusMessage || errorInfo; |
| 5250 } |
| 5251 try { |
| 5252 if (useWebGL) { |
| 5253 var contextAttributes = { |
| 5254 antialias: false, |
| 5255 alpha: false |
| 5256 }; |
| 5257 |
| 5258 if (webGLContextAttributes) { |
| 5259 for (var attribute in webGLContextAttributes) { |
| 5260 contextAttributes[attribute] = webGLContextAttributes[attribute]
; |
| 5261 } |
| 5262 } |
| 5263 |
| 5264 |
| 5265 canvas.addEventListener('webglcontextcreationerror', onContextCreati
onError, false); |
| 5266 try { |
| 5267 ['experimental-webgl', 'webgl'].some(function(webglId) { |
| 5268 return ctx = canvas.getContext(webglId, contextAttributes); |
| 5269 }); |
| 5270 } finally { |
| 5271 canvas.removeEventListener('webglcontextcreationerror', onContextC
reationError, false); |
| 5272 } |
| 5273 } else { |
| 5274 ctx = canvas.getContext('2d'); |
| 5275 } |
| 5276 if (!ctx) throw ':('; |
| 5277 } catch (e) { |
| 5278 Module.print('Could not create canvas: ' + [errorInfo, e]); |
| 5279 return null; |
| 5280 } |
| 5281 if (useWebGL) { |
| 5282 // Set the background of the WebGL canvas to black |
| 5283 canvas.style.backgroundColor = "black"; |
| 5284 |
| 5285 // Warn on context loss |
| 5286 canvas.addEventListener('webglcontextlost', function(event) { |
| 5287 alert('WebGL context lost. You will need to reload the page.'); |
| 5288 }, false); |
| 5289 } |
| 5290 if (setInModule) { |
| 5291 GLctx = Module.ctx = ctx; |
| 5292 Module.useWebGL = useWebGL; |
| 5293 Browser.moduleContextCreatedCallbacks.forEach(function(callback) { cal
lback() }); |
| 5294 Browser.init(); |
| 5295 } |
| 5296 return ctx; |
| 5297 },destroyContext:function (canvas, useWebGL, setInModule) {},fullScreenHan
dlersInstalled:false,lockPointer:undefined,resizeCanvas:undefined,requestFullScr
een:function (lockPointer, resizeCanvas) { |
| 5298 Browser.lockPointer = lockPointer; |
| 5299 Browser.resizeCanvas = resizeCanvas; |
| 5300 if (typeof Browser.lockPointer === 'undefined') Browser.lockPointer = tr
ue; |
| 5301 if (typeof Browser.resizeCanvas === 'undefined') Browser.resizeCanvas =
false; |
| 5302 |
| 5303 var canvas = Module['canvas']; |
| 5304 function fullScreenChange() { |
| 5305 Browser.isFullScreen = false; |
| 5306 var canvasContainer = canvas.parentNode; |
| 5307 if ((document['webkitFullScreenElement'] || document['webkitFullscreen
Element'] || |
| 5308 document['mozFullScreenElement'] || document['mozFullscreenElemen
t'] || |
| 5309 document['fullScreenElement'] || document['fullscreenElement'] || |
| 5310 document['msFullScreenElement'] || document['msFullscreenElement'
] || |
| 5311 document['webkitCurrentFullScreenElement']) === canvasContainer)
{ |
| 5312 canvas.cancelFullScreen = document['cancelFullScreen'] || |
| 5313 document['mozCancelFullScreen'] || |
| 5314 document['webkitCancelFullScreen'] || |
| 5315 document['msExitFullscreen'] || |
| 5316 document['exitFullscreen'] || |
| 5317 function() {}; |
| 5318 canvas.cancelFullScreen = canvas.cancelFullScreen.bind(document); |
| 5319 if (Browser.lockPointer) canvas.requestPointerLock(); |
| 5320 Browser.isFullScreen = true; |
| 5321 if (Browser.resizeCanvas) Browser.setFullScreenCanvasSize(); |
| 5322 } else { |
| 5323 |
| 5324 // remove the full screen specific parent of the canvas again to res
tore the HTML structure from before going full screen |
| 5325 canvasContainer.parentNode.insertBefore(canvas, canvasContainer); |
| 5326 canvasContainer.parentNode.removeChild(canvasContainer); |
| 5327 |
| 5328 if (Browser.resizeCanvas) Browser.setWindowedCanvasSize(); |
| 5329 } |
| 5330 if (Module['onFullScreen']) Module['onFullScreen'](Browser.isFullScree
n); |
| 5331 Browser.updateCanvasDimensions(canvas); |
| 5332 } |
| 5333 |
| 5334 if (!Browser.fullScreenHandlersInstalled) { |
| 5335 Browser.fullScreenHandlersInstalled = true; |
| 5336 document.addEventListener('fullscreenchange', fullScreenChange, false)
; |
| 5337 document.addEventListener('mozfullscreenchange', fullScreenChange, fal
se); |
| 5338 document.addEventListener('webkitfullscreenchange', fullScreenChange,
false); |
| 5339 document.addEventListener('MSFullscreenChange', fullScreenChange, fals
e); |
| 5340 } |
| 5341 |
| 5342 // create a new parent to ensure the canvas has no siblings. this allows
browsers to optimize full screen performance when its parent is the full screen
root |
| 5343 var canvasContainer = document.createElement("div"); |
| 5344 canvas.parentNode.insertBefore(canvasContainer, canvas); |
| 5345 canvasContainer.appendChild(canvas); |
| 5346 |
| 5347 // use parent of canvas as full screen root to allow aspect ratio correc
tion (Firefox stretches the root to screen size) |
| 5348 canvasContainer.requestFullScreen = canvasContainer['requestFullScreen']
|| |
| 5349 canvasContainer['mozRequestFullScree
n'] || |
| 5350 canvasContainer['msRequestFullscreen
'] || |
| 5351 (canvasContainer['webkitRequestFullSc
reen'] ? function() { canvasContainer['webkitRequestFullScreen'](Element['ALLOW_
KEYBOARD_INPUT']) } : null); |
| 5352 canvasContainer.requestFullScreen(); |
| 5353 },requestAnimationFrame:function requestAnimationFrame(func) { |
| 5354 if (typeof window === 'undefined') { // Provide fallback to setTimeout i
f window is undefined (e.g. in Node.js) |
| 5355 setTimeout(func, 1000/60); |
| 5356 } else { |
| 5357 if (!window.requestAnimationFrame) { |
| 5358 window.requestAnimationFrame = window['requestAnimationFrame'] || |
| 5359 window['mozRequestAnimationFrame'] || |
| 5360 window['webkitRequestAnimationFrame']
|| |
| 5361 window['msRequestAnimationFrame'] || |
| 5362 window['oRequestAnimationFrame'] || |
| 5363 window['setTimeout']; |
| 5364 } |
| 5365 window.requestAnimationFrame(func); |
| 5366 } |
| 5367 },safeCallback:function (func) { |
| 5368 return function() { |
| 5369 if (!ABORT) return func.apply(null, arguments); |
| 5370 }; |
| 5371 },safeRequestAnimationFrame:function (func) { |
| 5372 return Browser.requestAnimationFrame(function() { |
| 5373 if (!ABORT) func(); |
| 5374 }); |
| 5375 },safeSetTimeout:function (func, timeout) { |
| 5376 return setTimeout(function() { |
| 5377 if (!ABORT) func(); |
| 5378 }, timeout); |
| 5379 },safeSetInterval:function (func, timeout) { |
| 5380 return setInterval(function() { |
| 5381 if (!ABORT) func(); |
| 5382 }, timeout); |
| 5383 },getMimetype:function (name) { |
| 5384 return { |
| 5385 'jpg': 'image/jpeg', |
| 5386 'jpeg': 'image/jpeg', |
| 5387 'png': 'image/png', |
| 5388 'bmp': 'image/bmp', |
| 5389 'ogg': 'audio/ogg', |
| 5390 'wav': 'audio/wav', |
| 5391 'mp3': 'audio/mpeg' |
| 5392 }[name.substr(name.lastIndexOf('.')+1)]; |
| 5393 },getUserMedia:function (func) { |
| 5394 if(!window.getUserMedia) { |
| 5395 window.getUserMedia = navigator['getUserMedia'] || |
| 5396 navigator['mozGetUserMedia']; |
| 5397 } |
| 5398 window.getUserMedia(func); |
| 5399 },getMovementX:function (event) { |
| 5400 return event['movementX'] || |
| 5401 event['mozMovementX'] || |
| 5402 event['webkitMovementX'] || |
| 5403 0; |
| 5404 },getMovementY:function (event) { |
| 5405 return event['movementY'] || |
| 5406 event['mozMovementY'] || |
| 5407 event['webkitMovementY'] || |
| 5408 0; |
| 5409 },getMouseWheelDelta:function (event) { |
| 5410 return Math.max(-1, Math.min(1, event.type === 'DOMMouseScroll' ? event.
detail : -event.wheelDelta)); |
| 5411 },mouseX:0,mouseY:0,mouseMovementX:0,mouseMovementY:0,calculateMouseEvent:
function (event) { // event should be mousemove, mousedown or mouseup |
| 5412 if (Browser.pointerLock) { |
| 5413 // When the pointer is locked, calculate the coordinates |
| 5414 // based on the movement of the mouse. |
| 5415 // Workaround for Firefox bug 764498 |
| 5416 if (event.type != 'mousemove' && |
| 5417 ('mozMovementX' in event)) { |
| 5418 Browser.mouseMovementX = Browser.mouseMovementY = 0; |
| 5419 } else { |
| 5420 Browser.mouseMovementX = Browser.getMovementX(event); |
| 5421 Browser.mouseMovementY = Browser.getMovementY(event); |
| 5422 } |
| 5423 |
| 5424 // check if SDL is available |
| 5425 if (typeof SDL != "undefined") { |
| 5426 Browser.mouseX = SDL.mouseX + Browser.mouseMovementX; |
| 5427 Browser.mouseY = SDL.mouseY + Browser.mouseMovementY; |
| 5428 } else { |
| 5429 // just add the mouse delta to the current absolut mouse position |
| 5430 // FIXME: ideally this should be clamped against the canvas size and zero |
| 5431 Browser.mouseX += Browser.mouseMovementX; |
| 5432 Browser.mouseY += Browser.mouseMovementY; |
| 5433 } |
| 5434 } else { |
| 5435 // Otherwise, calculate the movement based on the changes |
| 5436 // in the coordinates. |
| 5437 var rect = Module["canvas"].getBoundingClientRect(); |
| 5438 var x, y; |
| 5439 |
| 5440 // Neither .scrollX or .pageXOffset are defined in a spec, but |
| 5441 // we prefer .scrollX because it is currently in a spec draft. |
| 5442 // (see: http://www.w3.org/TR/2013/WD-cssom-view-20131217/) |
| 5443 var scrollX = ((typeof window.scrollX !== 'undefined') ? window.scroll
X : window.pageXOffset); |
| 5444 var scrollY = ((typeof window.scrollY !== 'undefined') ? window.scroll
Y : window.pageYOffset); |
| 5445 if (event.type == 'touchstart' || |
| 5446 event.type == 'touchend' || |
| 5447 event.type == 'touchmove') { |
| 5448 var t = event.touches.item(0); |
| 5449 if (t) { |
| 5450 x = t.pageX - (scrollX + rect.left); |
| 5451 y = t.pageY - (scrollY + rect.top); |
| 5452 } else { |
| 5453 return; |
| 5454 } |
| 5455 } else { |
| 5456 x = event.pageX - (scrollX + rect.left); |
| 5457 y = event.pageY - (scrollY + rect.top); |
| 5458 } |
| 5459 |
| 5460 // the canvas might be CSS-scaled compared to its backbuffer; |
| 5461 // SDL-using content will want mouse coordinates in terms |
| 5462 // of backbuffer units. |
| 5463 var cw = Module["canvas"].width; |
| 5464 var ch = Module["canvas"].height; |
| 5465 x = x * (cw / rect.width); |
| 5466 y = y * (ch / rect.height); |
| 5467 |
| 5468 Browser.mouseMovementX = x - Browser.mouseX; |
| 5469 Browser.mouseMovementY = y - Browser.mouseY; |
| 5470 Browser.mouseX = x; |
| 5471 Browser.mouseY = y; |
| 5472 } |
| 5473 },xhrLoad:function (url, onload, onerror) { |
| 5474 var xhr = new XMLHttpRequest(); |
| 5475 xhr.open('GET', url, true); |
| 5476 xhr.responseType = 'arraybuffer'; |
| 5477 xhr.onload = function xhr_onload() { |
| 5478 if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file
URLs can return 0 |
| 5479 onload(xhr.response); |
| 5480 } else { |
| 5481 onerror(); |
| 5482 } |
| 5483 }; |
| 5484 xhr.onerror = onerror; |
| 5485 xhr.send(null); |
| 5486 },asyncLoad:function (url, onload, onerror, noRunDep) { |
| 5487 Browser.xhrLoad(url, function(arrayBuffer) { |
| 5488 assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayB
uffer).'); |
| 5489 onload(new Uint8Array(arrayBuffer)); |
| 5490 if (!noRunDep) removeRunDependency('al ' + url); |
| 5491 }, function(event) { |
| 5492 if (onerror) { |
| 5493 onerror(); |
| 5494 } else { |
| 5495 throw 'Loading data file "' + url + '" failed.'; |
| 5496 } |
| 5497 }); |
| 5498 if (!noRunDep) addRunDependency('al ' + url); |
| 5499 },resizeListeners:[],updateResizeListeners:function () { |
| 5500 var canvas = Module['canvas']; |
| 5501 Browser.resizeListeners.forEach(function(listener) { |
| 5502 listener(canvas.width, canvas.height); |
| 5503 }); |
| 5504 },setCanvasSize:function (width, height, noUpdates) { |
| 5505 var canvas = Module['canvas']; |
| 5506 Browser.updateCanvasDimensions(canvas, width, height); |
| 5507 if (!noUpdates) Browser.updateResizeListeners(); |
| 5508 },windowedWidth:0,windowedHeight:0,setFullScreenCanvasSize:function () { |
| 5509 // check if SDL is available |
| 5510 if (typeof SDL != "undefined") { |
| 5511 var flags = HEAPU32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)]; |
| 5512 flags = flags | 0x00800000; // set SDL_FULLSCREEN flag |
| 5513 HEAP32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)]=flags |
| 5514 } |
| 5515 Browser.updateResizeListeners(); |
| 5516 },setWindowedCanvasSize:function () { |
| 5517 // check if SDL is available |
| 5518 if (typeof SDL != "undefined") { |
| 5519 var flags = HEAPU32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)]; |
| 5520 flags = flags & ~0x00800000; // clear SDL_FULLSCREEN flag |
| 5521 HEAP32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)]=flags |
| 5522 } |
| 5523 Browser.updateResizeListeners(); |
| 5524 },updateCanvasDimensions:function (canvas, wNative, hNative) { |
| 5525 if (wNative && hNative) { |
| 5526 canvas.widthNative = wNative; |
| 5527 canvas.heightNative = hNative; |
| 5528 } else { |
| 5529 wNative = canvas.widthNative; |
| 5530 hNative = canvas.heightNative; |
| 5531 } |
| 5532 var w = wNative; |
| 5533 var h = hNative; |
| 5534 if (Module['forcedAspectRatio'] && Module['forcedAspectRatio'] > 0) { |
| 5535 if (w/h < Module['forcedAspectRatio']) { |
| 5536 w = Math.round(h * Module['forcedAspectRatio']); |
| 5537 } else { |
| 5538 h = Math.round(w / Module['forcedAspectRatio']); |
| 5539 } |
| 5540 } |
| 5541 if (((document['webkitFullScreenElement'] || document['webkitFullscreenE
lement'] || |
| 5542 document['mozFullScreenElement'] || document['mozFullscreenElement'
] || |
| 5543 document['fullScreenElement'] || document['fullscreenElement'] || |
| 5544 document['msFullScreenElement'] || document['msFullscreenElement']
|| |
| 5545 document['webkitCurrentFullScreenElement']) === canvas.parentNode)
&& (typeof screen != 'undefined')) { |
| 5546 var factor = Math.min(screen.width / w, screen.height / h); |
| 5547 w = Math.round(w * factor); |
| 5548 h = Math.round(h * factor); |
| 5549 } |
| 5550 if (Browser.resizeCanvas) { |
| 5551 if (canvas.width != w) canvas.width = w; |
| 5552 if (canvas.height != h) canvas.height = h; |
| 5553 if (typeof canvas.style != 'undefined') { |
| 5554 canvas.style.removeProperty( "width"); |
| 5555 canvas.style.removeProperty("height"); |
| 5556 } |
| 5557 } else { |
| 5558 if (canvas.width != wNative) canvas.width = wNative; |
| 5559 if (canvas.height != hNative) canvas.height = hNative; |
| 5560 if (typeof canvas.style != 'undefined') { |
| 5561 if (w != wNative || h != hNative) { |
| 5562 canvas.style.setProperty( "width", w + "px", "important"); |
| 5563 canvas.style.setProperty("height", h + "px", "important"); |
| 5564 } else { |
| 5565 canvas.style.removeProperty( "width"); |
| 5566 canvas.style.removeProperty("height"); |
| 5567 } |
| 5568 } |
| 5569 } |
| 5570 }}; |
| 5571 |
| 5572 function _time(ptr) { |
| 5573 var ret = Math.floor(Date.now()/1000); |
| 5574 if (ptr) { |
| 5575 HEAP32[((ptr)>>2)]=ret; |
| 5576 } |
| 5577 return ret; |
| 5578 } |
| 5579 |
| 5580 |
| 5581 |
| 5582 function _emscripten_memcpy_big(dest, src, num) { |
| 5583 HEAPU8.set(HEAPU8.subarray(src, src+num), dest); |
| 5584 return dest; |
| 5585 } |
| 5586 Module["_memcpy"] = _memcpy; |
| 5587 FS.staticInit();__ATINIT__.unshift({ func: function() { if (!Module["noFSInit"]
&& !FS.init.initialized) FS.init() } });__ATMAIN__.push({ func: function() { FS.
ignorePermissions = false } });__ATEXIT__.push({ func: function() { FS.quit() }
});Module["FS_createFolder"] = FS.createFolder;Module["FS_createPath"] = FS.crea
tePath;Module["FS_createDataFile"] = FS.createDataFile;Module["FS_createPreloade
dFile"] = FS.createPreloadedFile;Module["FS_createLazyFile"] = FS.createLazyFile
;Module["FS_createLink"] = FS.createLink;Module["FS_createDevice"] = FS.createDe
vice; |
| 5588 ___errno_state = Runtime.staticAlloc(4); HEAP32[((___errno_state)>>2)]=0; |
| 5589 __ATINIT__.unshift({ func: function() { TTY.init() } });__ATEXIT__.push({ func:
function() { TTY.shutdown() } });TTY.utf8 = new Runtime.UTF8Processor(); |
| 5590 if (ENVIRONMENT_IS_NODE) { var fs = require("fs"); NODEFS.staticInit(); } |
| 5591 __ATINIT__.push({ func: function() { SOCKFS.root = FS.mount(SOCKFS, {}, null); }
}); |
| 5592 Module["requestFullScreen"] = function Module_requestFullScreen(lockPointer, res
izeCanvas) { Browser.requestFullScreen(lockPointer, resizeCanvas) }; |
| 5593 Module["requestAnimationFrame"] = function Module_requestAnimationFrame(func)
{ Browser.requestAnimationFrame(func) }; |
| 5594 Module["setCanvasSize"] = function Module_setCanvasSize(width, height, noUpdat
es) { Browser.setCanvasSize(width, height, noUpdates) }; |
| 5595 Module["pauseMainLoop"] = function Module_pauseMainLoop() { Browser.mainLoop.p
ause() }; |
| 5596 Module["resumeMainLoop"] = function Module_resumeMainLoop() { Browser.mainLoop
.resume() }; |
| 5597 Module["getUserMedia"] = function Module_getUserMedia() { Browser.getUserMedia
() } |
| 5598 STACK_BASE = STACKTOP = Runtime.alignMemory(STATICTOP); |
| 5599 |
| 5600 staticSealed = true; // seal the static portion of memory |
| 5601 |
| 5602 STACK_MAX = STACK_BASE + 5242880; |
| 5603 |
| 5604 DYNAMIC_BASE = DYNAMICTOP = Runtime.alignMemory(STACK_MAX); |
| 5605 |
| 5606 assert(DYNAMIC_BASE < TOTAL_MEMORY, "TOTAL_MEMORY not big enough for stack"); |
| 5607 |
| 5608 |
| 5609 var Math_min = Math.min; |
| 5610 function asmPrintInt(x, y) { |
| 5611 Module.print('int ' + x + ',' + y);// + ' ' + new Error().stack); |
| 5612 } |
| 5613 function asmPrintFloat(x, y) { |
| 5614 Module.print('float ' + x + ',' + y);// + ' ' + new Error().stack); |
| 5615 } |
| 5616 // EMSCRIPTEN_START_ASM |
| 5617 var asm = (function(global, env, buffer) { |
| 5618 'use asm'; |
| 5619 var HEAP8 = new global.Int8Array(buffer); |
| 5620 var HEAP16 = new global.Int16Array(buffer); |
| 5621 var HEAP32 = new global.Int32Array(buffer); |
| 5622 var HEAPU8 = new global.Uint8Array(buffer); |
| 5623 var HEAPU16 = new global.Uint16Array(buffer); |
| 5624 var HEAPU32 = new global.Uint32Array(buffer); |
| 5625 var HEAPF32 = new global.Float32Array(buffer); |
| 5626 var HEAPF64 = new global.Float64Array(buffer); |
| 5627 |
| 5628 var STACKTOP=env.STACKTOP|0; |
| 5629 var STACK_MAX=env.STACK_MAX|0; |
| 5630 var tempDoublePtr=env.tempDoublePtr|0; |
| 5631 var ABORT=env.ABORT|0; |
| 5632 |
| 5633 var __THREW__ = 0; |
| 5634 var threwValue = 0; |
| 5635 var setjmpId = 0; |
| 5636 var undef = 0; |
| 5637 var nan = +env.NaN, inf = +env.Infinity; |
| 5638 var tempInt = 0, tempBigInt = 0, tempBigIntP = 0, tempBigIntS = 0, tempBigIntR
= 0.0, tempBigIntI = 0, tempBigIntD = 0, tempValue = 0, tempDouble = 0.0; |
| 5639 |
| 5640 var tempRet0 = 0; |
| 5641 var tempRet1 = 0; |
| 5642 var tempRet2 = 0; |
| 5643 var tempRet3 = 0; |
| 5644 var tempRet4 = 0; |
| 5645 var tempRet5 = 0; |
| 5646 var tempRet6 = 0; |
| 5647 var tempRet7 = 0; |
| 5648 var tempRet8 = 0; |
| 5649 var tempRet9 = 0; |
| 5650 var Math_floor=global.Math.floor; |
| 5651 var Math_abs=global.Math.abs; |
| 5652 var Math_sqrt=global.Math.sqrt; |
| 5653 var Math_pow=global.Math.pow; |
| 5654 var Math_cos=global.Math.cos; |
| 5655 var Math_sin=global.Math.sin; |
| 5656 var Math_tan=global.Math.tan; |
| 5657 var Math_acos=global.Math.acos; |
| 5658 var Math_asin=global.Math.asin; |
| 5659 var Math_atan=global.Math.atan; |
| 5660 var Math_atan2=global.Math.atan2; |
| 5661 var Math_exp=global.Math.exp; |
| 5662 var Math_log=global.Math.log; |
| 5663 var Math_ceil=global.Math.ceil; |
| 5664 var Math_imul=global.Math.imul; |
| 5665 var abort=env.abort; |
| 5666 var assert=env.assert; |
| 5667 var asmPrintInt=env.asmPrintInt; |
| 5668 var asmPrintFloat=env.asmPrintFloat; |
| 5669 var Math_min=env.min; |
| 5670 var _fflush=env._fflush; |
| 5671 var _emscripten_memcpy_big=env._emscripten_memcpy_big; |
| 5672 var _printf=env._printf; |
| 5673 var _send=env._send; |
| 5674 var _pwrite=env._pwrite; |
| 5675 var _abort=env._abort; |
| 5676 var ___setErrNo=env.___setErrNo; |
| 5677 var _fwrite=env._fwrite; |
| 5678 var _sbrk=env._sbrk; |
| 5679 var _time=env._time; |
| 5680 var _mkport=env._mkport; |
| 5681 var __reallyNegative=env.__reallyNegative; |
| 5682 var __formatString=env.__formatString; |
| 5683 var _fileno=env._fileno; |
| 5684 var _write=env._write; |
| 5685 var _fprintf=env._fprintf; |
| 5686 var _sysconf=env._sysconf; |
| 5687 var ___errno_location=env.___errno_location; |
| 5688 var tempFloat = 0.0; |
| 5689 |
| 5690 // EMSCRIPTEN_START_FUNCS |
| 5691 function _malloc(i12) { |
| 5692 i12 = i12 | 0; |
| 5693 var i1 = 0, i2 = 0, i3 = 0, i4 = 0, i5 = 0, i6 = 0, i7 = 0, i8 = 0, i9 = 0, i10
= 0, i11 = 0, i13 = 0, i14 = 0, i15 = 0, i16 = 0, i17 = 0, i18 = 0, i19 = 0, i2
0 = 0, i21 = 0, i22 = 0, i23 = 0, i24 = 0, i25 = 0, i26 = 0, i27 = 0, i28 = 0, i
29 = 0, i30 = 0, i31 = 0, i32 = 0; |
| 5694 i1 = STACKTOP; |
| 5695 do { |
| 5696 if (i12 >>> 0 < 245) { |
| 5697 if (i12 >>> 0 < 11) { |
| 5698 i12 = 16; |
| 5699 } else { |
| 5700 i12 = i12 + 11 & -8; |
| 5701 } |
| 5702 i20 = i12 >>> 3; |
| 5703 i18 = HEAP32[10] | 0; |
| 5704 i21 = i18 >>> i20; |
| 5705 if ((i21 & 3 | 0) != 0) { |
| 5706 i6 = (i21 & 1 ^ 1) + i20 | 0; |
| 5707 i5 = i6 << 1; |
| 5708 i3 = 80 + (i5 << 2) | 0; |
| 5709 i5 = 80 + (i5 + 2 << 2) | 0; |
| 5710 i7 = HEAP32[i5 >> 2] | 0; |
| 5711 i2 = i7 + 8 | 0; |
| 5712 i4 = HEAP32[i2 >> 2] | 0; |
| 5713 do { |
| 5714 if ((i3 | 0) != (i4 | 0)) { |
| 5715 if (i4 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 5716 _abort(); |
| 5717 } |
| 5718 i8 = i4 + 12 | 0; |
| 5719 if ((HEAP32[i8 >> 2] | 0) == (i7 | 0)) { |
| 5720 HEAP32[i8 >> 2] = i3; |
| 5721 HEAP32[i5 >> 2] = i4; |
| 5722 break; |
| 5723 } else { |
| 5724 _abort(); |
| 5725 } |
| 5726 } else { |
| 5727 HEAP32[10] = i18 & ~(1 << i6); |
| 5728 } |
| 5729 } while (0); |
| 5730 i32 = i6 << 3; |
| 5731 HEAP32[i7 + 4 >> 2] = i32 | 3; |
| 5732 i32 = i7 + (i32 | 4) | 0; |
| 5733 HEAP32[i32 >> 2] = HEAP32[i32 >> 2] | 1; |
| 5734 i32 = i2; |
| 5735 STACKTOP = i1; |
| 5736 return i32 | 0; |
| 5737 } |
| 5738 if (i12 >>> 0 > (HEAP32[48 >> 2] | 0) >>> 0) { |
| 5739 if ((i21 | 0) != 0) { |
| 5740 i7 = 2 << i20; |
| 5741 i7 = i21 << i20 & (i7 | 0 - i7); |
| 5742 i7 = (i7 & 0 - i7) + -1 | 0; |
| 5743 i2 = i7 >>> 12 & 16; |
| 5744 i7 = i7 >>> i2; |
| 5745 i6 = i7 >>> 5 & 8; |
| 5746 i7 = i7 >>> i6; |
| 5747 i5 = i7 >>> 2 & 4; |
| 5748 i7 = i7 >>> i5; |
| 5749 i4 = i7 >>> 1 & 2; |
| 5750 i7 = i7 >>> i4; |
| 5751 i3 = i7 >>> 1 & 1; |
| 5752 i3 = (i6 | i2 | i5 | i4 | i3) + (i7 >>> i3) | 0; |
| 5753 i7 = i3 << 1; |
| 5754 i4 = 80 + (i7 << 2) | 0; |
| 5755 i7 = 80 + (i7 + 2 << 2) | 0; |
| 5756 i5 = HEAP32[i7 >> 2] | 0; |
| 5757 i2 = i5 + 8 | 0; |
| 5758 i6 = HEAP32[i2 >> 2] | 0; |
| 5759 do { |
| 5760 if ((i4 | 0) != (i6 | 0)) { |
| 5761 if (i6 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 5762 _abort(); |
| 5763 } |
| 5764 i8 = i6 + 12 | 0; |
| 5765 if ((HEAP32[i8 >> 2] | 0) == (i5 | 0)) { |
| 5766 HEAP32[i8 >> 2] = i4; |
| 5767 HEAP32[i7 >> 2] = i6; |
| 5768 break; |
| 5769 } else { |
| 5770 _abort(); |
| 5771 } |
| 5772 } else { |
| 5773 HEAP32[10] = i18 & ~(1 << i3); |
| 5774 } |
| 5775 } while (0); |
| 5776 i6 = i3 << 3; |
| 5777 i4 = i6 - i12 | 0; |
| 5778 HEAP32[i5 + 4 >> 2] = i12 | 3; |
| 5779 i3 = i5 + i12 | 0; |
| 5780 HEAP32[i5 + (i12 | 4) >> 2] = i4 | 1; |
| 5781 HEAP32[i5 + i6 >> 2] = i4; |
| 5782 i6 = HEAP32[48 >> 2] | 0; |
| 5783 if ((i6 | 0) != 0) { |
| 5784 i5 = HEAP32[60 >> 2] | 0; |
| 5785 i8 = i6 >>> 3; |
| 5786 i9 = i8 << 1; |
| 5787 i6 = 80 + (i9 << 2) | 0; |
| 5788 i7 = HEAP32[10] | 0; |
| 5789 i8 = 1 << i8; |
| 5790 if ((i7 & i8 | 0) != 0) { |
| 5791 i7 = 80 + (i9 + 2 << 2) | 0; |
| 5792 i8 = HEAP32[i7 >> 2] | 0; |
| 5793 if (i8 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 5794 _abort(); |
| 5795 } else { |
| 5796 i28 = i7; |
| 5797 i27 = i8; |
| 5798 } |
| 5799 } else { |
| 5800 HEAP32[10] = i7 | i8; |
| 5801 i28 = 80 + (i9 + 2 << 2) | 0; |
| 5802 i27 = i6; |
| 5803 } |
| 5804 HEAP32[i28 >> 2] = i5; |
| 5805 HEAP32[i27 + 12 >> 2] = i5; |
| 5806 HEAP32[i5 + 8 >> 2] = i27; |
| 5807 HEAP32[i5 + 12 >> 2] = i6; |
| 5808 } |
| 5809 HEAP32[48 >> 2] = i4; |
| 5810 HEAP32[60 >> 2] = i3; |
| 5811 i32 = i2; |
| 5812 STACKTOP = i1; |
| 5813 return i32 | 0; |
| 5814 } |
| 5815 i18 = HEAP32[44 >> 2] | 0; |
| 5816 if ((i18 | 0) != 0) { |
| 5817 i2 = (i18 & 0 - i18) + -1 | 0; |
| 5818 i31 = i2 >>> 12 & 16; |
| 5819 i2 = i2 >>> i31; |
| 5820 i30 = i2 >>> 5 & 8; |
| 5821 i2 = i2 >>> i30; |
| 5822 i32 = i2 >>> 2 & 4; |
| 5823 i2 = i2 >>> i32; |
| 5824 i6 = i2 >>> 1 & 2; |
| 5825 i2 = i2 >>> i6; |
| 5826 i3 = i2 >>> 1 & 1; |
| 5827 i3 = HEAP32[344 + ((i30 | i31 | i32 | i6 | i3) + (i2 >>> i3) << 2) >> 2] |
0; |
| 5828 i2 = (HEAP32[i3 + 4 >> 2] & -8) - i12 | 0; |
| 5829 i6 = i3; |
| 5830 while (1) { |
| 5831 i5 = HEAP32[i6 + 16 >> 2] | 0; |
| 5832 if ((i5 | 0) == 0) { |
| 5833 i5 = HEAP32[i6 + 20 >> 2] | 0; |
| 5834 if ((i5 | 0) == 0) { |
| 5835 break; |
| 5836 } |
| 5837 } |
| 5838 i6 = (HEAP32[i5 + 4 >> 2] & -8) - i12 | 0; |
| 5839 i4 = i6 >>> 0 < i2 >>> 0; |
| 5840 i2 = i4 ? i6 : i2; |
| 5841 i6 = i5; |
| 5842 i3 = i4 ? i5 : i3; |
| 5843 } |
| 5844 i6 = HEAP32[56 >> 2] | 0; |
| 5845 if (i3 >>> 0 < i6 >>> 0) { |
| 5846 _abort(); |
| 5847 } |
| 5848 i4 = i3 + i12 | 0; |
| 5849 if (!(i3 >>> 0 < i4 >>> 0)) { |
| 5850 _abort(); |
| 5851 } |
| 5852 i5 = HEAP32[i3 + 24 >> 2] | 0; |
| 5853 i7 = HEAP32[i3 + 12 >> 2] | 0; |
| 5854 do { |
| 5855 if ((i7 | 0) == (i3 | 0)) { |
| 5856 i8 = i3 + 20 | 0; |
| 5857 i7 = HEAP32[i8 >> 2] | 0; |
| 5858 if ((i7 | 0) == 0) { |
| 5859 i8 = i3 + 16 | 0; |
| 5860 i7 = HEAP32[i8 >> 2] | 0; |
| 5861 if ((i7 | 0) == 0) { |
| 5862 i26 = 0; |
| 5863 break; |
| 5864 } |
| 5865 } |
| 5866 while (1) { |
| 5867 i10 = i7 + 20 | 0; |
| 5868 i9 = HEAP32[i10 >> 2] | 0; |
| 5869 if ((i9 | 0) != 0) { |
| 5870 i7 = i9; |
| 5871 i8 = i10; |
| 5872 continue; |
| 5873 } |
| 5874 i10 = i7 + 16 | 0; |
| 5875 i9 = HEAP32[i10 >> 2] | 0; |
| 5876 if ((i9 | 0) == 0) { |
| 5877 break; |
| 5878 } else { |
| 5879 i7 = i9; |
| 5880 i8 = i10; |
| 5881 } |
| 5882 } |
| 5883 if (i8 >>> 0 < i6 >>> 0) { |
| 5884 _abort(); |
| 5885 } else { |
| 5886 HEAP32[i8 >> 2] = 0; |
| 5887 i26 = i7; |
| 5888 break; |
| 5889 } |
| 5890 } else { |
| 5891 i8 = HEAP32[i3 + 8 >> 2] | 0; |
| 5892 if (i8 >>> 0 < i6 >>> 0) { |
| 5893 _abort(); |
| 5894 } |
| 5895 i6 = i8 + 12 | 0; |
| 5896 if ((HEAP32[i6 >> 2] | 0) != (i3 | 0)) { |
| 5897 _abort(); |
| 5898 } |
| 5899 i9 = i7 + 8 | 0; |
| 5900 if ((HEAP32[i9 >> 2] | 0) == (i3 | 0)) { |
| 5901 HEAP32[i6 >> 2] = i7; |
| 5902 HEAP32[i9 >> 2] = i8; |
| 5903 i26 = i7; |
| 5904 break; |
| 5905 } else { |
| 5906 _abort(); |
| 5907 } |
| 5908 } |
| 5909 } while (0); |
| 5910 do { |
| 5911 if ((i5 | 0) != 0) { |
| 5912 i7 = HEAP32[i3 + 28 >> 2] | 0; |
| 5913 i6 = 344 + (i7 << 2) | 0; |
| 5914 if ((i3 | 0) == (HEAP32[i6 >> 2] | 0)) { |
| 5915 HEAP32[i6 >> 2] = i26; |
| 5916 if ((i26 | 0) == 0) { |
| 5917 HEAP32[44 >> 2] = HEAP32[44 >> 2] & ~(1 << i7); |
| 5918 break; |
| 5919 } |
| 5920 } else { |
| 5921 if (i5 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 5922 _abort(); |
| 5923 } |
| 5924 i6 = i5 + 16 | 0; |
| 5925 if ((HEAP32[i6 >> 2] | 0) == (i3 | 0)) { |
| 5926 HEAP32[i6 >> 2] = i26; |
| 5927 } else { |
| 5928 HEAP32[i5 + 20 >> 2] = i26; |
| 5929 } |
| 5930 if ((i26 | 0) == 0) { |
| 5931 break; |
| 5932 } |
| 5933 } |
| 5934 if (i26 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 5935 _abort(); |
| 5936 } |
| 5937 HEAP32[i26 + 24 >> 2] = i5; |
| 5938 i5 = HEAP32[i3 + 16 >> 2] | 0; |
| 5939 do { |
| 5940 if ((i5 | 0) != 0) { |
| 5941 if (i5 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 5942 _abort(); |
| 5943 } else { |
| 5944 HEAP32[i26 + 16 >> 2] = i5; |
| 5945 HEAP32[i5 + 24 >> 2] = i26; |
| 5946 break; |
| 5947 } |
| 5948 } |
| 5949 } while (0); |
| 5950 i5 = HEAP32[i3 + 20 >> 2] | 0; |
| 5951 if ((i5 | 0) != 0) { |
| 5952 if (i5 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 5953 _abort(); |
| 5954 } else { |
| 5955 HEAP32[i26 + 20 >> 2] = i5; |
| 5956 HEAP32[i5 + 24 >> 2] = i26; |
| 5957 break; |
| 5958 } |
| 5959 } |
| 5960 } |
| 5961 } while (0); |
| 5962 if (i2 >>> 0 < 16) { |
| 5963 i32 = i2 + i12 | 0; |
| 5964 HEAP32[i3 + 4 >> 2] = i32 | 3; |
| 5965 i32 = i3 + (i32 + 4) | 0; |
| 5966 HEAP32[i32 >> 2] = HEAP32[i32 >> 2] | 1; |
| 5967 } else { |
| 5968 HEAP32[i3 + 4 >> 2] = i12 | 3; |
| 5969 HEAP32[i3 + (i12 | 4) >> 2] = i2 | 1; |
| 5970 HEAP32[i3 + (i2 + i12) >> 2] = i2; |
| 5971 i6 = HEAP32[48 >> 2] | 0; |
| 5972 if ((i6 | 0) != 0) { |
| 5973 i5 = HEAP32[60 >> 2] | 0; |
| 5974 i8 = i6 >>> 3; |
| 5975 i9 = i8 << 1; |
| 5976 i6 = 80 + (i9 << 2) | 0; |
| 5977 i7 = HEAP32[10] | 0; |
| 5978 i8 = 1 << i8; |
| 5979 if ((i7 & i8 | 0) != 0) { |
| 5980 i7 = 80 + (i9 + 2 << 2) | 0; |
| 5981 i8 = HEAP32[i7 >> 2] | 0; |
| 5982 if (i8 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 5983 _abort(); |
| 5984 } else { |
| 5985 i25 = i7; |
| 5986 i24 = i8; |
| 5987 } |
| 5988 } else { |
| 5989 HEAP32[10] = i7 | i8; |
| 5990 i25 = 80 + (i9 + 2 << 2) | 0; |
| 5991 i24 = i6; |
| 5992 } |
| 5993 HEAP32[i25 >> 2] = i5; |
| 5994 HEAP32[i24 + 12 >> 2] = i5; |
| 5995 HEAP32[i5 + 8 >> 2] = i24; |
| 5996 HEAP32[i5 + 12 >> 2] = i6; |
| 5997 } |
| 5998 HEAP32[48 >> 2] = i2; |
| 5999 HEAP32[60 >> 2] = i4; |
| 6000 } |
| 6001 i32 = i3 + 8 | 0; |
| 6002 STACKTOP = i1; |
| 6003 return i32 | 0; |
| 6004 } |
| 6005 } |
| 6006 } else { |
| 6007 if (!(i12 >>> 0 > 4294967231)) { |
| 6008 i24 = i12 + 11 | 0; |
| 6009 i12 = i24 & -8; |
| 6010 i26 = HEAP32[44 >> 2] | 0; |
| 6011 if ((i26 | 0) != 0) { |
| 6012 i25 = 0 - i12 | 0; |
| 6013 i24 = i24 >>> 8; |
| 6014 if ((i24 | 0) != 0) { |
| 6015 if (i12 >>> 0 > 16777215) { |
| 6016 i27 = 31; |
| 6017 } else { |
| 6018 i31 = (i24 + 1048320 | 0) >>> 16 & 8; |
| 6019 i32 = i24 << i31; |
| 6020 i30 = (i32 + 520192 | 0) >>> 16 & 4; |
| 6021 i32 = i32 << i30; |
| 6022 i27 = (i32 + 245760 | 0) >>> 16 & 2; |
| 6023 i27 = 14 - (i30 | i31 | i27) + (i32 << i27 >>> 15) | 0; |
| 6024 i27 = i12 >>> (i27 + 7 | 0) & 1 | i27 << 1; |
| 6025 } |
| 6026 } else { |
| 6027 i27 = 0; |
| 6028 } |
| 6029 i30 = HEAP32[344 + (i27 << 2) >> 2] | 0; |
| 6030 L126 : do { |
| 6031 if ((i30 | 0) == 0) { |
| 6032 i29 = 0; |
| 6033 i24 = 0; |
| 6034 } else { |
| 6035 if ((i27 | 0) == 31) { |
| 6036 i24 = 0; |
| 6037 } else { |
| 6038 i24 = 25 - (i27 >>> 1) | 0; |
| 6039 } |
| 6040 i29 = 0; |
| 6041 i28 = i12 << i24; |
| 6042 i24 = 0; |
| 6043 while (1) { |
| 6044 i32 = HEAP32[i30 + 4 >> 2] & -8; |
| 6045 i31 = i32 - i12 | 0; |
| 6046 if (i31 >>> 0 < i25 >>> 0) { |
| 6047 if ((i32 | 0) == (i12 | 0)) { |
| 6048 i25 = i31; |
| 6049 i29 = i30; |
| 6050 i24 = i30; |
| 6051 break L126; |
| 6052 } else { |
| 6053 i25 = i31; |
| 6054 i24 = i30; |
| 6055 } |
| 6056 } |
| 6057 i31 = HEAP32[i30 + 20 >> 2] | 0; |
| 6058 i30 = HEAP32[i30 + (i28 >>> 31 << 2) + 16 >> 2] | 0; |
| 6059 i29 = (i31 | 0) == 0 | (i31 | 0) == (i30 | 0) ? i29 : i31; |
| 6060 if ((i30 | 0) == 0) { |
| 6061 break; |
| 6062 } else { |
| 6063 i28 = i28 << 1; |
| 6064 } |
| 6065 } |
| 6066 } |
| 6067 } while (0); |
| 6068 if ((i29 | 0) == 0 & (i24 | 0) == 0) { |
| 6069 i32 = 2 << i27; |
| 6070 i26 = i26 & (i32 | 0 - i32); |
| 6071 if ((i26 | 0) == 0) { |
| 6072 break; |
| 6073 } |
| 6074 i32 = (i26 & 0 - i26) + -1 | 0; |
| 6075 i28 = i32 >>> 12 & 16; |
| 6076 i32 = i32 >>> i28; |
| 6077 i27 = i32 >>> 5 & 8; |
| 6078 i32 = i32 >>> i27; |
| 6079 i30 = i32 >>> 2 & 4; |
| 6080 i32 = i32 >>> i30; |
| 6081 i31 = i32 >>> 1 & 2; |
| 6082 i32 = i32 >>> i31; |
| 6083 i29 = i32 >>> 1 & 1; |
| 6084 i29 = HEAP32[344 + ((i27 | i28 | i30 | i31 | i29) + (i32 >>> i29) << 2) >>
2] | 0; |
| 6085 } |
| 6086 if ((i29 | 0) != 0) { |
| 6087 while (1) { |
| 6088 i27 = (HEAP32[i29 + 4 >> 2] & -8) - i12 | 0; |
| 6089 i26 = i27 >>> 0 < i25 >>> 0; |
| 6090 i25 = i26 ? i27 : i25; |
| 6091 i24 = i26 ? i29 : i24; |
| 6092 i26 = HEAP32[i29 + 16 >> 2] | 0; |
| 6093 if ((i26 | 0) != 0) { |
| 6094 i29 = i26; |
| 6095 continue; |
| 6096 } |
| 6097 i29 = HEAP32[i29 + 20 >> 2] | 0; |
| 6098 if ((i29 | 0) == 0) { |
| 6099 break; |
| 6100 } |
| 6101 } |
| 6102 } |
| 6103 if ((i24 | 0) != 0 ? i25 >>> 0 < ((HEAP32[48 >> 2] | 0) - i12 | 0) >>> 0 :
0) { |
| 6104 i4 = HEAP32[56 >> 2] | 0; |
| 6105 if (i24 >>> 0 < i4 >>> 0) { |
| 6106 _abort(); |
| 6107 } |
| 6108 i2 = i24 + i12 | 0; |
| 6109 if (!(i24 >>> 0 < i2 >>> 0)) { |
| 6110 _abort(); |
| 6111 } |
| 6112 i3 = HEAP32[i24 + 24 >> 2] | 0; |
| 6113 i6 = HEAP32[i24 + 12 >> 2] | 0; |
| 6114 do { |
| 6115 if ((i6 | 0) == (i24 | 0)) { |
| 6116 i6 = i24 + 20 | 0; |
| 6117 i5 = HEAP32[i6 >> 2] | 0; |
| 6118 if ((i5 | 0) == 0) { |
| 6119 i6 = i24 + 16 | 0; |
| 6120 i5 = HEAP32[i6 >> 2] | 0; |
| 6121 if ((i5 | 0) == 0) { |
| 6122 i22 = 0; |
| 6123 break; |
| 6124 } |
| 6125 } |
| 6126 while (1) { |
| 6127 i8 = i5 + 20 | 0; |
| 6128 i7 = HEAP32[i8 >> 2] | 0; |
| 6129 if ((i7 | 0) != 0) { |
| 6130 i5 = i7; |
| 6131 i6 = i8; |
| 6132 continue; |
| 6133 } |
| 6134 i7 = i5 + 16 | 0; |
| 6135 i8 = HEAP32[i7 >> 2] | 0; |
| 6136 if ((i8 | 0) == 0) { |
| 6137 break; |
| 6138 } else { |
| 6139 i5 = i8; |
| 6140 i6 = i7; |
| 6141 } |
| 6142 } |
| 6143 if (i6 >>> 0 < i4 >>> 0) { |
| 6144 _abort(); |
| 6145 } else { |
| 6146 HEAP32[i6 >> 2] = 0; |
| 6147 i22 = i5; |
| 6148 break; |
| 6149 } |
| 6150 } else { |
| 6151 i5 = HEAP32[i24 + 8 >> 2] | 0; |
| 6152 if (i5 >>> 0 < i4 >>> 0) { |
| 6153 _abort(); |
| 6154 } |
| 6155 i7 = i5 + 12 | 0; |
| 6156 if ((HEAP32[i7 >> 2] | 0) != (i24 | 0)) { |
| 6157 _abort(); |
| 6158 } |
| 6159 i4 = i6 + 8 | 0; |
| 6160 if ((HEAP32[i4 >> 2] | 0) == (i24 | 0)) { |
| 6161 HEAP32[i7 >> 2] = i6; |
| 6162 HEAP32[i4 >> 2] = i5; |
| 6163 i22 = i6; |
| 6164 break; |
| 6165 } else { |
| 6166 _abort(); |
| 6167 } |
| 6168 } |
| 6169 } while (0); |
| 6170 do { |
| 6171 if ((i3 | 0) != 0) { |
| 6172 i4 = HEAP32[i24 + 28 >> 2] | 0; |
| 6173 i5 = 344 + (i4 << 2) | 0; |
| 6174 if ((i24 | 0) == (HEAP32[i5 >> 2] | 0)) { |
| 6175 HEAP32[i5 >> 2] = i22; |
| 6176 if ((i22 | 0) == 0) { |
| 6177 HEAP32[44 >> 2] = HEAP32[44 >> 2] & ~(1 << i4); |
| 6178 break; |
| 6179 } |
| 6180 } else { |
| 6181 if (i3 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6182 _abort(); |
| 6183 } |
| 6184 i4 = i3 + 16 | 0; |
| 6185 if ((HEAP32[i4 >> 2] | 0) == (i24 | 0)) { |
| 6186 HEAP32[i4 >> 2] = i22; |
| 6187 } else { |
| 6188 HEAP32[i3 + 20 >> 2] = i22; |
| 6189 } |
| 6190 if ((i22 | 0) == 0) { |
| 6191 break; |
| 6192 } |
| 6193 } |
| 6194 if (i22 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6195 _abort(); |
| 6196 } |
| 6197 HEAP32[i22 + 24 >> 2] = i3; |
| 6198 i3 = HEAP32[i24 + 16 >> 2] | 0; |
| 6199 do { |
| 6200 if ((i3 | 0) != 0) { |
| 6201 if (i3 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6202 _abort(); |
| 6203 } else { |
| 6204 HEAP32[i22 + 16 >> 2] = i3; |
| 6205 HEAP32[i3 + 24 >> 2] = i22; |
| 6206 break; |
| 6207 } |
| 6208 } |
| 6209 } while (0); |
| 6210 i3 = HEAP32[i24 + 20 >> 2] | 0; |
| 6211 if ((i3 | 0) != 0) { |
| 6212 if (i3 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6213 _abort(); |
| 6214 } else { |
| 6215 HEAP32[i22 + 20 >> 2] = i3; |
| 6216 HEAP32[i3 + 24 >> 2] = i22; |
| 6217 break; |
| 6218 } |
| 6219 } |
| 6220 } |
| 6221 } while (0); |
| 6222 L204 : do { |
| 6223 if (!(i25 >>> 0 < 16)) { |
| 6224 HEAP32[i24 + 4 >> 2] = i12 | 3; |
| 6225 HEAP32[i24 + (i12 | 4) >> 2] = i25 | 1; |
| 6226 HEAP32[i24 + (i25 + i12) >> 2] = i25; |
| 6227 i4 = i25 >>> 3; |
| 6228 if (i25 >>> 0 < 256) { |
| 6229 i6 = i4 << 1; |
| 6230 i3 = 80 + (i6 << 2) | 0; |
| 6231 i5 = HEAP32[10] | 0; |
| 6232 i4 = 1 << i4; |
| 6233 if ((i5 & i4 | 0) != 0) { |
| 6234 i5 = 80 + (i6 + 2 << 2) | 0; |
| 6235 i4 = HEAP32[i5 >> 2] | 0; |
| 6236 if (i4 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6237 _abort(); |
| 6238 } else { |
| 6239 i21 = i5; |
| 6240 i20 = i4; |
| 6241 } |
| 6242 } else { |
| 6243 HEAP32[10] = i5 | i4; |
| 6244 i21 = 80 + (i6 + 2 << 2) | 0; |
| 6245 i20 = i3; |
| 6246 } |
| 6247 HEAP32[i21 >> 2] = i2; |
| 6248 HEAP32[i20 + 12 >> 2] = i2; |
| 6249 HEAP32[i24 + (i12 + 8) >> 2] = i20; |
| 6250 HEAP32[i24 + (i12 + 12) >> 2] = i3; |
| 6251 break; |
| 6252 } |
| 6253 i3 = i25 >>> 8; |
| 6254 if ((i3 | 0) != 0) { |
| 6255 if (i25 >>> 0 > 16777215) { |
| 6256 i3 = 31; |
| 6257 } else { |
| 6258 i31 = (i3 + 1048320 | 0) >>> 16 & 8; |
| 6259 i32 = i3 << i31; |
| 6260 i30 = (i32 + 520192 | 0) >>> 16 & 4; |
| 6261 i32 = i32 << i30; |
| 6262 i3 = (i32 + 245760 | 0) >>> 16 & 2; |
| 6263 i3 = 14 - (i30 | i31 | i3) + (i32 << i3 >>> 15) | 0; |
| 6264 i3 = i25 >>> (i3 + 7 | 0) & 1 | i3 << 1; |
| 6265 } |
| 6266 } else { |
| 6267 i3 = 0; |
| 6268 } |
| 6269 i6 = 344 + (i3 << 2) | 0; |
| 6270 HEAP32[i24 + (i12 + 28) >> 2] = i3; |
| 6271 HEAP32[i24 + (i12 + 20) >> 2] = 0; |
| 6272 HEAP32[i24 + (i12 + 16) >> 2] = 0; |
| 6273 i4 = HEAP32[44 >> 2] | 0; |
| 6274 i5 = 1 << i3; |
| 6275 if ((i4 & i5 | 0) == 0) { |
| 6276 HEAP32[44 >> 2] = i4 | i5; |
| 6277 HEAP32[i6 >> 2] = i2; |
| 6278 HEAP32[i24 + (i12 + 24) >> 2] = i6; |
| 6279 HEAP32[i24 + (i12 + 12) >> 2] = i2; |
| 6280 HEAP32[i24 + (i12 + 8) >> 2] = i2; |
| 6281 break; |
| 6282 } |
| 6283 i4 = HEAP32[i6 >> 2] | 0; |
| 6284 if ((i3 | 0) == 31) { |
| 6285 i3 = 0; |
| 6286 } else { |
| 6287 i3 = 25 - (i3 >>> 1) | 0; |
| 6288 } |
| 6289 L225 : do { |
| 6290 if ((HEAP32[i4 + 4 >> 2] & -8 | 0) != (i25 | 0)) { |
| 6291 i3 = i25 << i3; |
| 6292 while (1) { |
| 6293 i6 = i4 + (i3 >>> 31 << 2) + 16 | 0; |
| 6294 i5 = HEAP32[i6 >> 2] | 0; |
| 6295 if ((i5 | 0) == 0) { |
| 6296 break; |
| 6297 } |
| 6298 if ((HEAP32[i5 + 4 >> 2] & -8 | 0) == (i25 | 0)) { |
| 6299 i18 = i5; |
| 6300 break L225; |
| 6301 } else { |
| 6302 i3 = i3 << 1; |
| 6303 i4 = i5; |
| 6304 } |
| 6305 } |
| 6306 if (i6 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6307 _abort(); |
| 6308 } else { |
| 6309 HEAP32[i6 >> 2] = i2; |
| 6310 HEAP32[i24 + (i12 + 24) >> 2] = i4; |
| 6311 HEAP32[i24 + (i12 + 12) >> 2] = i2; |
| 6312 HEAP32[i24 + (i12 + 8) >> 2] = i2; |
| 6313 break L204; |
| 6314 } |
| 6315 } else { |
| 6316 i18 = i4; |
| 6317 } |
| 6318 } while (0); |
| 6319 i4 = i18 + 8 | 0; |
| 6320 i3 = HEAP32[i4 >> 2] | 0; |
| 6321 i5 = HEAP32[56 >> 2] | 0; |
| 6322 if (i18 >>> 0 < i5 >>> 0) { |
| 6323 _abort(); |
| 6324 } |
| 6325 if (i3 >>> 0 < i5 >>> 0) { |
| 6326 _abort(); |
| 6327 } else { |
| 6328 HEAP32[i3 + 12 >> 2] = i2; |
| 6329 HEAP32[i4 >> 2] = i2; |
| 6330 HEAP32[i24 + (i12 + 8) >> 2] = i3; |
| 6331 HEAP32[i24 + (i12 + 12) >> 2] = i18; |
| 6332 HEAP32[i24 + (i12 + 24) >> 2] = 0; |
| 6333 break; |
| 6334 } |
| 6335 } else { |
| 6336 i32 = i25 + i12 | 0; |
| 6337 HEAP32[i24 + 4 >> 2] = i32 | 3; |
| 6338 i32 = i24 + (i32 + 4) | 0; |
| 6339 HEAP32[i32 >> 2] = HEAP32[i32 >> 2] | 1; |
| 6340 } |
| 6341 } while (0); |
| 6342 i32 = i24 + 8 | 0; |
| 6343 STACKTOP = i1; |
| 6344 return i32 | 0; |
| 6345 } |
| 6346 } |
| 6347 } else { |
| 6348 i12 = -1; |
| 6349 } |
| 6350 } |
| 6351 } while (0); |
| 6352 i18 = HEAP32[48 >> 2] | 0; |
| 6353 if (!(i12 >>> 0 > i18 >>> 0)) { |
| 6354 i3 = i18 - i12 | 0; |
| 6355 i2 = HEAP32[60 >> 2] | 0; |
| 6356 if (i3 >>> 0 > 15) { |
| 6357 HEAP32[60 >> 2] = i2 + i12; |
| 6358 HEAP32[48 >> 2] = i3; |
| 6359 HEAP32[i2 + (i12 + 4) >> 2] = i3 | 1; |
| 6360 HEAP32[i2 + i18 >> 2] = i3; |
| 6361 HEAP32[i2 + 4 >> 2] = i12 | 3; |
| 6362 } else { |
| 6363 HEAP32[48 >> 2] = 0; |
| 6364 HEAP32[60 >> 2] = 0; |
| 6365 HEAP32[i2 + 4 >> 2] = i18 | 3; |
| 6366 i32 = i2 + (i18 + 4) | 0; |
| 6367 HEAP32[i32 >> 2] = HEAP32[i32 >> 2] | 1; |
| 6368 } |
| 6369 i32 = i2 + 8 | 0; |
| 6370 STACKTOP = i1; |
| 6371 return i32 | 0; |
| 6372 } |
| 6373 i18 = HEAP32[52 >> 2] | 0; |
| 6374 if (i12 >>> 0 < i18 >>> 0) { |
| 6375 i31 = i18 - i12 | 0; |
| 6376 HEAP32[52 >> 2] = i31; |
| 6377 i32 = HEAP32[64 >> 2] | 0; |
| 6378 HEAP32[64 >> 2] = i32 + i12; |
| 6379 HEAP32[i32 + (i12 + 4) >> 2] = i31 | 1; |
| 6380 HEAP32[i32 + 4 >> 2] = i12 | 3; |
| 6381 i32 = i32 + 8 | 0; |
| 6382 STACKTOP = i1; |
| 6383 return i32 | 0; |
| 6384 } |
| 6385 do { |
| 6386 if ((HEAP32[128] | 0) == 0) { |
| 6387 i18 = _sysconf(30) | 0; |
| 6388 if ((i18 + -1 & i18 | 0) == 0) { |
| 6389 HEAP32[520 >> 2] = i18; |
| 6390 HEAP32[516 >> 2] = i18; |
| 6391 HEAP32[524 >> 2] = -1; |
| 6392 HEAP32[528 >> 2] = -1; |
| 6393 HEAP32[532 >> 2] = 0; |
| 6394 HEAP32[484 >> 2] = 0; |
| 6395 HEAP32[128] = (_time(0) | 0) & -16 ^ 1431655768; |
| 6396 break; |
| 6397 } else { |
| 6398 _abort(); |
| 6399 } |
| 6400 } |
| 6401 } while (0); |
| 6402 i20 = i12 + 48 | 0; |
| 6403 i25 = HEAP32[520 >> 2] | 0; |
| 6404 i21 = i12 + 47 | 0; |
| 6405 i22 = i25 + i21 | 0; |
| 6406 i25 = 0 - i25 | 0; |
| 6407 i18 = i22 & i25; |
| 6408 if (!(i18 >>> 0 > i12 >>> 0)) { |
| 6409 i32 = 0; |
| 6410 STACKTOP = i1; |
| 6411 return i32 | 0; |
| 6412 } |
| 6413 i24 = HEAP32[480 >> 2] | 0; |
| 6414 if ((i24 | 0) != 0 ? (i31 = HEAP32[472 >> 2] | 0, i32 = i31 + i18 | 0, i32 >>>
0 <= i31 >>> 0 | i32 >>> 0 > i24 >>> 0) : 0) { |
| 6415 i32 = 0; |
| 6416 STACKTOP = i1; |
| 6417 return i32 | 0; |
| 6418 } |
| 6419 L269 : do { |
| 6420 if ((HEAP32[484 >> 2] & 4 | 0) == 0) { |
| 6421 i26 = HEAP32[64 >> 2] | 0; |
| 6422 L271 : do { |
| 6423 if ((i26 | 0) != 0) { |
| 6424 i24 = 488 | 0; |
| 6425 while (1) { |
| 6426 i27 = HEAP32[i24 >> 2] | 0; |
| 6427 if (!(i27 >>> 0 > i26 >>> 0) ? (i23 = i24 + 4 | 0, (i27 + (HEAP32[i23 >> 2
] | 0) | 0) >>> 0 > i26 >>> 0) : 0) { |
| 6428 break; |
| 6429 } |
| 6430 i24 = HEAP32[i24 + 8 >> 2] | 0; |
| 6431 if ((i24 | 0) == 0) { |
| 6432 i13 = 182; |
| 6433 break L271; |
| 6434 } |
| 6435 } |
| 6436 if ((i24 | 0) != 0) { |
| 6437 i25 = i22 - (HEAP32[52 >> 2] | 0) & i25; |
| 6438 if (i25 >>> 0 < 2147483647) { |
| 6439 i13 = _sbrk(i25 | 0) | 0; |
| 6440 i26 = (i13 | 0) == ((HEAP32[i24 >> 2] | 0) + (HEAP32[i23 >> 2] | 0) | 0); |
| 6441 i22 = i13; |
| 6442 i24 = i25; |
| 6443 i23 = i26 ? i13 : -1; |
| 6444 i25 = i26 ? i25 : 0; |
| 6445 i13 = 191; |
| 6446 } else { |
| 6447 i25 = 0; |
| 6448 } |
| 6449 } else { |
| 6450 i13 = 182; |
| 6451 } |
| 6452 } else { |
| 6453 i13 = 182; |
| 6454 } |
| 6455 } while (0); |
| 6456 do { |
| 6457 if ((i13 | 0) == 182) { |
| 6458 i23 = _sbrk(0) | 0; |
| 6459 if ((i23 | 0) != (-1 | 0)) { |
| 6460 i24 = i23; |
| 6461 i22 = HEAP32[516 >> 2] | 0; |
| 6462 i25 = i22 + -1 | 0; |
| 6463 if ((i25 & i24 | 0) == 0) { |
| 6464 i25 = i18; |
| 6465 } else { |
| 6466 i25 = i18 - i24 + (i25 + i24 & 0 - i22) | 0; |
| 6467 } |
| 6468 i24 = HEAP32[472 >> 2] | 0; |
| 6469 i26 = i24 + i25 | 0; |
| 6470 if (i25 >>> 0 > i12 >>> 0 & i25 >>> 0 < 2147483647) { |
| 6471 i22 = HEAP32[480 >> 2] | 0; |
| 6472 if ((i22 | 0) != 0 ? i26 >>> 0 <= i24 >>> 0 | i26 >>> 0 > i22 >>> 0 : 0)
{ |
| 6473 i25 = 0; |
| 6474 break; |
| 6475 } |
| 6476 i22 = _sbrk(i25 | 0) | 0; |
| 6477 i13 = (i22 | 0) == (i23 | 0); |
| 6478 i24 = i25; |
| 6479 i23 = i13 ? i23 : -1; |
| 6480 i25 = i13 ? i25 : 0; |
| 6481 i13 = 191; |
| 6482 } else { |
| 6483 i25 = 0; |
| 6484 } |
| 6485 } else { |
| 6486 i25 = 0; |
| 6487 } |
| 6488 } |
| 6489 } while (0); |
| 6490 L291 : do { |
| 6491 if ((i13 | 0) == 191) { |
| 6492 i13 = 0 - i24 | 0; |
| 6493 if ((i23 | 0) != (-1 | 0)) { |
| 6494 i17 = i23; |
| 6495 i14 = i25; |
| 6496 i13 = 202; |
| 6497 break L269; |
| 6498 } |
| 6499 do { |
| 6500 if ((i22 | 0) != (-1 | 0) & i24 >>> 0 < 2147483647 & i24 >>> 0 < i20 >>> 0
? (i19 = HEAP32[520 >> 2] | 0, i19 = i21 - i24 + i19 & 0 - i19, i19 >>> 0 < 214
7483647) : 0) { |
| 6501 if ((_sbrk(i19 | 0) | 0) == (-1 | 0)) { |
| 6502 _sbrk(i13 | 0) | 0; |
| 6503 break L291; |
| 6504 } else { |
| 6505 i24 = i19 + i24 | 0; |
| 6506 break; |
| 6507 } |
| 6508 } |
| 6509 } while (0); |
| 6510 if ((i22 | 0) != (-1 | 0)) { |
| 6511 i17 = i22; |
| 6512 i14 = i24; |
| 6513 i13 = 202; |
| 6514 break L269; |
| 6515 } |
| 6516 } |
| 6517 } while (0); |
| 6518 HEAP32[484 >> 2] = HEAP32[484 >> 2] | 4; |
| 6519 i13 = 199; |
| 6520 } else { |
| 6521 i25 = 0; |
| 6522 i13 = 199; |
| 6523 } |
| 6524 } while (0); |
| 6525 if ((((i13 | 0) == 199 ? i18 >>> 0 < 2147483647 : 0) ? (i17 = _sbrk(i18 | 0) |
0, i16 = _sbrk(0) | 0, (i16 | 0) != (-1 | 0) & (i17 | 0) != (-1 | 0) & i17 >>> 0
< i16 >>> 0) : 0) ? (i15 = i16 - i17 | 0, i14 = i15 >>> 0 > (i12 + 40 | 0) >>>
0, i14) : 0) { |
| 6526 i14 = i14 ? i15 : i25; |
| 6527 i13 = 202; |
| 6528 } |
| 6529 if ((i13 | 0) == 202) { |
| 6530 i15 = (HEAP32[472 >> 2] | 0) + i14 | 0; |
| 6531 HEAP32[472 >> 2] = i15; |
| 6532 if (i15 >>> 0 > (HEAP32[476 >> 2] | 0) >>> 0) { |
| 6533 HEAP32[476 >> 2] = i15; |
| 6534 } |
| 6535 i15 = HEAP32[64 >> 2] | 0; |
| 6536 L311 : do { |
| 6537 if ((i15 | 0) != 0) { |
| 6538 i21 = 488 | 0; |
| 6539 while (1) { |
| 6540 i16 = HEAP32[i21 >> 2] | 0; |
| 6541 i19 = i21 + 4 | 0; |
| 6542 i20 = HEAP32[i19 >> 2] | 0; |
| 6543 if ((i17 | 0) == (i16 + i20 | 0)) { |
| 6544 i13 = 214; |
| 6545 break; |
| 6546 } |
| 6547 i18 = HEAP32[i21 + 8 >> 2] | 0; |
| 6548 if ((i18 | 0) == 0) { |
| 6549 break; |
| 6550 } else { |
| 6551 i21 = i18; |
| 6552 } |
| 6553 } |
| 6554 if (((i13 | 0) == 214 ? (HEAP32[i21 + 12 >> 2] & 8 | 0) == 0 : 0) ? i15 >>>
0 >= i16 >>> 0 & i15 >>> 0 < i17 >>> 0 : 0) { |
| 6555 HEAP32[i19 >> 2] = i20 + i14; |
| 6556 i2 = (HEAP32[52 >> 2] | 0) + i14 | 0; |
| 6557 i3 = i15 + 8 | 0; |
| 6558 if ((i3 & 7 | 0) == 0) { |
| 6559 i3 = 0; |
| 6560 } else { |
| 6561 i3 = 0 - i3 & 7; |
| 6562 } |
| 6563 i32 = i2 - i3 | 0; |
| 6564 HEAP32[64 >> 2] = i15 + i3; |
| 6565 HEAP32[52 >> 2] = i32; |
| 6566 HEAP32[i15 + (i3 + 4) >> 2] = i32 | 1; |
| 6567 HEAP32[i15 + (i2 + 4) >> 2] = 40; |
| 6568 HEAP32[68 >> 2] = HEAP32[528 >> 2]; |
| 6569 break; |
| 6570 } |
| 6571 if (i17 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6572 HEAP32[56 >> 2] = i17; |
| 6573 } |
| 6574 i19 = i17 + i14 | 0; |
| 6575 i16 = 488 | 0; |
| 6576 while (1) { |
| 6577 if ((HEAP32[i16 >> 2] | 0) == (i19 | 0)) { |
| 6578 i13 = 224; |
| 6579 break; |
| 6580 } |
| 6581 i18 = HEAP32[i16 + 8 >> 2] | 0; |
| 6582 if ((i18 | 0) == 0) { |
| 6583 break; |
| 6584 } else { |
| 6585 i16 = i18; |
| 6586 } |
| 6587 } |
| 6588 if ((i13 | 0) == 224 ? (HEAP32[i16 + 12 >> 2] & 8 | 0) == 0 : 0) { |
| 6589 HEAP32[i16 >> 2] = i17; |
| 6590 i6 = i16 + 4 | 0; |
| 6591 HEAP32[i6 >> 2] = (HEAP32[i6 >> 2] | 0) + i14; |
| 6592 i6 = i17 + 8 | 0; |
| 6593 if ((i6 & 7 | 0) == 0) { |
| 6594 i6 = 0; |
| 6595 } else { |
| 6596 i6 = 0 - i6 & 7; |
| 6597 } |
| 6598 i7 = i17 + (i14 + 8) | 0; |
| 6599 if ((i7 & 7 | 0) == 0) { |
| 6600 i13 = 0; |
| 6601 } else { |
| 6602 i13 = 0 - i7 & 7; |
| 6603 } |
| 6604 i15 = i17 + (i13 + i14) | 0; |
| 6605 i8 = i6 + i12 | 0; |
| 6606 i7 = i17 + i8 | 0; |
| 6607 i10 = i15 - (i17 + i6) - i12 | 0; |
| 6608 HEAP32[i17 + (i6 + 4) >> 2] = i12 | 3; |
| 6609 L348 : do { |
| 6610 if ((i15 | 0) != (HEAP32[64 >> 2] | 0)) { |
| 6611 if ((i15 | 0) == (HEAP32[60 >> 2] | 0)) { |
| 6612 i32 = (HEAP32[48 >> 2] | 0) + i10 | 0; |
| 6613 HEAP32[48 >> 2] = i32; |
| 6614 HEAP32[60 >> 2] = i7; |
| 6615 HEAP32[i17 + (i8 + 4) >> 2] = i32 | 1; |
| 6616 HEAP32[i17 + (i32 + i8) >> 2] = i32; |
| 6617 break; |
| 6618 } |
| 6619 i12 = i14 + 4 | 0; |
| 6620 i18 = HEAP32[i17 + (i12 + i13) >> 2] | 0; |
| 6621 if ((i18 & 3 | 0) == 1) { |
| 6622 i11 = i18 & -8; |
| 6623 i16 = i18 >>> 3; |
| 6624 do { |
| 6625 if (!(i18 >>> 0 < 256)) { |
| 6626 i9 = HEAP32[i17 + ((i13 | 24) + i14) >> 2] | 0; |
| 6627 i19 = HEAP32[i17 + (i14 + 12 + i13) >> 2] | 0; |
| 6628 do { |
| 6629 if ((i19 | 0) == (i15 | 0)) { |
| 6630 i19 = i13 | 16; |
| 6631 i18 = i17 + (i12 + i19) | 0; |
| 6632 i16 = HEAP32[i18 >> 2] | 0; |
| 6633 if ((i16 | 0) == 0) { |
| 6634 i18 = i17 + (i19 + i14) | 0; |
| 6635 i16 = HEAP32[i18 >> 2] | 0; |
| 6636 if ((i16 | 0) == 0) { |
| 6637 i5 = 0; |
| 6638 break; |
| 6639 } |
| 6640 } |
| 6641 while (1) { |
| 6642 i20 = i16 + 20 | 0; |
| 6643 i19 = HEAP32[i20 >> 2] | 0; |
| 6644 if ((i19 | 0) != 0) { |
| 6645 i16 = i19; |
| 6646 i18 = i20; |
| 6647 continue; |
| 6648 } |
| 6649 i19 = i16 + 16 | 0; |
| 6650 i20 = HEAP32[i19 >> 2] | 0; |
| 6651 if ((i20 | 0) == 0) { |
| 6652 break; |
| 6653 } else { |
| 6654 i16 = i20; |
| 6655 i18 = i19; |
| 6656 } |
| 6657 } |
| 6658 if (i18 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6659 _abort(); |
| 6660 } else { |
| 6661 HEAP32[i18 >> 2] = 0; |
| 6662 i5 = i16; |
| 6663 break; |
| 6664 } |
| 6665 } else { |
| 6666 i18 = HEAP32[i17 + ((i13 | 8) + i14) >> 2] | 0; |
| 6667 if (i18 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6668 _abort(); |
| 6669 } |
| 6670 i16 = i18 + 12 | 0; |
| 6671 if ((HEAP32[i16 >> 2] | 0) != (i15 | 0)) { |
| 6672 _abort(); |
| 6673 } |
| 6674 i20 = i19 + 8 | 0; |
| 6675 if ((HEAP32[i20 >> 2] | 0) == (i15 | 0)) { |
| 6676 HEAP32[i16 >> 2] = i19; |
| 6677 HEAP32[i20 >> 2] = i18; |
| 6678 i5 = i19; |
| 6679 break; |
| 6680 } else { |
| 6681 _abort(); |
| 6682 } |
| 6683 } |
| 6684 } while (0); |
| 6685 if ((i9 | 0) != 0) { |
| 6686 i16 = HEAP32[i17 + (i14 + 28 + i13) >> 2] | 0; |
| 6687 i18 = 344 + (i16 << 2) | 0; |
| 6688 if ((i15 | 0) == (HEAP32[i18 >> 2] | 0)) { |
| 6689 HEAP32[i18 >> 2] = i5; |
| 6690 if ((i5 | 0) == 0) { |
| 6691 HEAP32[44 >> 2] = HEAP32[44 >> 2] & ~(1 << i16); |
| 6692 break; |
| 6693 } |
| 6694 } else { |
| 6695 if (i9 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6696 _abort(); |
| 6697 } |
| 6698 i16 = i9 + 16 | 0; |
| 6699 if ((HEAP32[i16 >> 2] | 0) == (i15 | 0)) { |
| 6700 HEAP32[i16 >> 2] = i5; |
| 6701 } else { |
| 6702 HEAP32[i9 + 20 >> 2] = i5; |
| 6703 } |
| 6704 if ((i5 | 0) == 0) { |
| 6705 break; |
| 6706 } |
| 6707 } |
| 6708 if (i5 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6709 _abort(); |
| 6710 } |
| 6711 HEAP32[i5 + 24 >> 2] = i9; |
| 6712 i15 = i13 | 16; |
| 6713 i9 = HEAP32[i17 + (i15 + i14) >> 2] | 0; |
| 6714 do { |
| 6715 if ((i9 | 0) != 0) { |
| 6716 if (i9 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6717 _abort(); |
| 6718 } else { |
| 6719 HEAP32[i5 + 16 >> 2] = i9; |
| 6720 HEAP32[i9 + 24 >> 2] = i5; |
| 6721 break; |
| 6722 } |
| 6723 } |
| 6724 } while (0); |
| 6725 i9 = HEAP32[i17 + (i12 + i15) >> 2] | 0; |
| 6726 if ((i9 | 0) != 0) { |
| 6727 if (i9 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6728 _abort(); |
| 6729 } else { |
| 6730 HEAP32[i5 + 20 >> 2] = i9; |
| 6731 HEAP32[i9 + 24 >> 2] = i5; |
| 6732 break; |
| 6733 } |
| 6734 } |
| 6735 } |
| 6736 } else { |
| 6737 i5 = HEAP32[i17 + ((i13 | 8) + i14) >> 2] | 0; |
| 6738 i12 = HEAP32[i17 + (i14 + 12 + i13) >> 2] | 0; |
| 6739 i18 = 80 + (i16 << 1 << 2) | 0; |
| 6740 if ((i5 | 0) != (i18 | 0)) { |
| 6741 if (i5 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6742 _abort(); |
| 6743 } |
| 6744 if ((HEAP32[i5 + 12 >> 2] | 0) != (i15 | 0)) { |
| 6745 _abort(); |
| 6746 } |
| 6747 } |
| 6748 if ((i12 | 0) == (i5 | 0)) { |
| 6749 HEAP32[10] = HEAP32[10] & ~(1 << i16); |
| 6750 break; |
| 6751 } |
| 6752 if ((i12 | 0) != (i18 | 0)) { |
| 6753 if (i12 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6754 _abort(); |
| 6755 } |
| 6756 i16 = i12 + 8 | 0; |
| 6757 if ((HEAP32[i16 >> 2] | 0) == (i15 | 0)) { |
| 6758 i9 = i16; |
| 6759 } else { |
| 6760 _abort(); |
| 6761 } |
| 6762 } else { |
| 6763 i9 = i12 + 8 | 0; |
| 6764 } |
| 6765 HEAP32[i5 + 12 >> 2] = i12; |
| 6766 HEAP32[i9 >> 2] = i5; |
| 6767 } |
| 6768 } while (0); |
| 6769 i15 = i17 + ((i11 | i13) + i14) | 0; |
| 6770 i10 = i11 + i10 | 0; |
| 6771 } |
| 6772 i5 = i15 + 4 | 0; |
| 6773 HEAP32[i5 >> 2] = HEAP32[i5 >> 2] & -2; |
| 6774 HEAP32[i17 + (i8 + 4) >> 2] = i10 | 1; |
| 6775 HEAP32[i17 + (i10 + i8) >> 2] = i10; |
| 6776 i5 = i10 >>> 3; |
| 6777 if (i10 >>> 0 < 256) { |
| 6778 i10 = i5 << 1; |
| 6779 i2 = 80 + (i10 << 2) | 0; |
| 6780 i9 = HEAP32[10] | 0; |
| 6781 i5 = 1 << i5; |
| 6782 if ((i9 & i5 | 0) != 0) { |
| 6783 i9 = 80 + (i10 + 2 << 2) | 0; |
| 6784 i5 = HEAP32[i9 >> 2] | 0; |
| 6785 if (i5 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6786 _abort(); |
| 6787 } else { |
| 6788 i3 = i9; |
| 6789 i4 = i5; |
| 6790 } |
| 6791 } else { |
| 6792 HEAP32[10] = i9 | i5; |
| 6793 i3 = 80 + (i10 + 2 << 2) | 0; |
| 6794 i4 = i2; |
| 6795 } |
| 6796 HEAP32[i3 >> 2] = i7; |
| 6797 HEAP32[i4 + 12 >> 2] = i7; |
| 6798 HEAP32[i17 + (i8 + 8) >> 2] = i4; |
| 6799 HEAP32[i17 + (i8 + 12) >> 2] = i2; |
| 6800 break; |
| 6801 } |
| 6802 i3 = i10 >>> 8; |
| 6803 if ((i3 | 0) != 0) { |
| 6804 if (i10 >>> 0 > 16777215) { |
| 6805 i3 = 31; |
| 6806 } else { |
| 6807 i31 = (i3 + 1048320 | 0) >>> 16 & 8; |
| 6808 i32 = i3 << i31; |
| 6809 i30 = (i32 + 520192 | 0) >>> 16 & 4; |
| 6810 i32 = i32 << i30; |
| 6811 i3 = (i32 + 245760 | 0) >>> 16 & 2; |
| 6812 i3 = 14 - (i30 | i31 | i3) + (i32 << i3 >>> 15) | 0; |
| 6813 i3 = i10 >>> (i3 + 7 | 0) & 1 | i3 << 1; |
| 6814 } |
| 6815 } else { |
| 6816 i3 = 0; |
| 6817 } |
| 6818 i4 = 344 + (i3 << 2) | 0; |
| 6819 HEAP32[i17 + (i8 + 28) >> 2] = i3; |
| 6820 HEAP32[i17 + (i8 + 20) >> 2] = 0; |
| 6821 HEAP32[i17 + (i8 + 16) >> 2] = 0; |
| 6822 i9 = HEAP32[44 >> 2] | 0; |
| 6823 i5 = 1 << i3; |
| 6824 if ((i9 & i5 | 0) == 0) { |
| 6825 HEAP32[44 >> 2] = i9 | i5; |
| 6826 HEAP32[i4 >> 2] = i7; |
| 6827 HEAP32[i17 + (i8 + 24) >> 2] = i4; |
| 6828 HEAP32[i17 + (i8 + 12) >> 2] = i7; |
| 6829 HEAP32[i17 + (i8 + 8) >> 2] = i7; |
| 6830 break; |
| 6831 } |
| 6832 i4 = HEAP32[i4 >> 2] | 0; |
| 6833 if ((i3 | 0) == 31) { |
| 6834 i3 = 0; |
| 6835 } else { |
| 6836 i3 = 25 - (i3 >>> 1) | 0; |
| 6837 } |
| 6838 L444 : do { |
| 6839 if ((HEAP32[i4 + 4 >> 2] & -8 | 0) != (i10 | 0)) { |
| 6840 i3 = i10 << i3; |
| 6841 while (1) { |
| 6842 i5 = i4 + (i3 >>> 31 << 2) + 16 | 0; |
| 6843 i9 = HEAP32[i5 >> 2] | 0; |
| 6844 if ((i9 | 0) == 0) { |
| 6845 break; |
| 6846 } |
| 6847 if ((HEAP32[i9 + 4 >> 2] & -8 | 0) == (i10 | 0)) { |
| 6848 i2 = i9; |
| 6849 break L444; |
| 6850 } else { |
| 6851 i3 = i3 << 1; |
| 6852 i4 = i9; |
| 6853 } |
| 6854 } |
| 6855 if (i5 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6856 _abort(); |
| 6857 } else { |
| 6858 HEAP32[i5 >> 2] = i7; |
| 6859 HEAP32[i17 + (i8 + 24) >> 2] = i4; |
| 6860 HEAP32[i17 + (i8 + 12) >> 2] = i7; |
| 6861 HEAP32[i17 + (i8 + 8) >> 2] = i7; |
| 6862 break L348; |
| 6863 } |
| 6864 } else { |
| 6865 i2 = i4; |
| 6866 } |
| 6867 } while (0); |
| 6868 i4 = i2 + 8 | 0; |
| 6869 i3 = HEAP32[i4 >> 2] | 0; |
| 6870 i5 = HEAP32[56 >> 2] | 0; |
| 6871 if (i2 >>> 0 < i5 >>> 0) { |
| 6872 _abort(); |
| 6873 } |
| 6874 if (i3 >>> 0 < i5 >>> 0) { |
| 6875 _abort(); |
| 6876 } else { |
| 6877 HEAP32[i3 + 12 >> 2] = i7; |
| 6878 HEAP32[i4 >> 2] = i7; |
| 6879 HEAP32[i17 + (i8 + 8) >> 2] = i3; |
| 6880 HEAP32[i17 + (i8 + 12) >> 2] = i2; |
| 6881 HEAP32[i17 + (i8 + 24) >> 2] = 0; |
| 6882 break; |
| 6883 } |
| 6884 } else { |
| 6885 i32 = (HEAP32[52 >> 2] | 0) + i10 | 0; |
| 6886 HEAP32[52 >> 2] = i32; |
| 6887 HEAP32[64 >> 2] = i7; |
| 6888 HEAP32[i17 + (i8 + 4) >> 2] = i32 | 1; |
| 6889 } |
| 6890 } while (0); |
| 6891 i32 = i17 + (i6 | 8) | 0; |
| 6892 STACKTOP = i1; |
| 6893 return i32 | 0; |
| 6894 } |
| 6895 i3 = 488 | 0; |
| 6896 while (1) { |
| 6897 i2 = HEAP32[i3 >> 2] | 0; |
| 6898 if (!(i2 >>> 0 > i15 >>> 0) ? (i11 = HEAP32[i3 + 4 >> 2] | 0, i10 = i2 + i1
1 | 0, i10 >>> 0 > i15 >>> 0) : 0) { |
| 6899 break; |
| 6900 } |
| 6901 i3 = HEAP32[i3 + 8 >> 2] | 0; |
| 6902 } |
| 6903 i3 = i2 + (i11 + -39) | 0; |
| 6904 if ((i3 & 7 | 0) == 0) { |
| 6905 i3 = 0; |
| 6906 } else { |
| 6907 i3 = 0 - i3 & 7; |
| 6908 } |
| 6909 i2 = i2 + (i11 + -47 + i3) | 0; |
| 6910 i2 = i2 >>> 0 < (i15 + 16 | 0) >>> 0 ? i15 : i2; |
| 6911 i3 = i2 + 8 | 0; |
| 6912 i4 = i17 + 8 | 0; |
| 6913 if ((i4 & 7 | 0) == 0) { |
| 6914 i4 = 0; |
| 6915 } else { |
| 6916 i4 = 0 - i4 & 7; |
| 6917 } |
| 6918 i32 = i14 + -40 - i4 | 0; |
| 6919 HEAP32[64 >> 2] = i17 + i4; |
| 6920 HEAP32[52 >> 2] = i32; |
| 6921 HEAP32[i17 + (i4 + 4) >> 2] = i32 | 1; |
| 6922 HEAP32[i17 + (i14 + -36) >> 2] = 40; |
| 6923 HEAP32[68 >> 2] = HEAP32[528 >> 2]; |
| 6924 HEAP32[i2 + 4 >> 2] = 27; |
| 6925 HEAP32[i3 + 0 >> 2] = HEAP32[488 >> 2]; |
| 6926 HEAP32[i3 + 4 >> 2] = HEAP32[492 >> 2]; |
| 6927 HEAP32[i3 + 8 >> 2] = HEAP32[496 >> 2]; |
| 6928 HEAP32[i3 + 12 >> 2] = HEAP32[500 >> 2]; |
| 6929 HEAP32[488 >> 2] = i17; |
| 6930 HEAP32[492 >> 2] = i14; |
| 6931 HEAP32[500 >> 2] = 0; |
| 6932 HEAP32[496 >> 2] = i3; |
| 6933 i4 = i2 + 28 | 0; |
| 6934 HEAP32[i4 >> 2] = 7; |
| 6935 if ((i2 + 32 | 0) >>> 0 < i10 >>> 0) { |
| 6936 while (1) { |
| 6937 i3 = i4 + 4 | 0; |
| 6938 HEAP32[i3 >> 2] = 7; |
| 6939 if ((i4 + 8 | 0) >>> 0 < i10 >>> 0) { |
| 6940 i4 = i3; |
| 6941 } else { |
| 6942 break; |
| 6943 } |
| 6944 } |
| 6945 } |
| 6946 if ((i2 | 0) != (i15 | 0)) { |
| 6947 i2 = i2 - i15 | 0; |
| 6948 i3 = i15 + (i2 + 4) | 0; |
| 6949 HEAP32[i3 >> 2] = HEAP32[i3 >> 2] & -2; |
| 6950 HEAP32[i15 + 4 >> 2] = i2 | 1; |
| 6951 HEAP32[i15 + i2 >> 2] = i2; |
| 6952 i3 = i2 >>> 3; |
| 6953 if (i2 >>> 0 < 256) { |
| 6954 i4 = i3 << 1; |
| 6955 i2 = 80 + (i4 << 2) | 0; |
| 6956 i5 = HEAP32[10] | 0; |
| 6957 i3 = 1 << i3; |
| 6958 if ((i5 & i3 | 0) != 0) { |
| 6959 i4 = 80 + (i4 + 2 << 2) | 0; |
| 6960 i3 = HEAP32[i4 >> 2] | 0; |
| 6961 if (i3 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 6962 _abort(); |
| 6963 } else { |
| 6964 i7 = i4; |
| 6965 i8 = i3; |
| 6966 } |
| 6967 } else { |
| 6968 HEAP32[10] = i5 | i3; |
| 6969 i7 = 80 + (i4 + 2 << 2) | 0; |
| 6970 i8 = i2; |
| 6971 } |
| 6972 HEAP32[i7 >> 2] = i15; |
| 6973 HEAP32[i8 + 12 >> 2] = i15; |
| 6974 HEAP32[i15 + 8 >> 2] = i8; |
| 6975 HEAP32[i15 + 12 >> 2] = i2; |
| 6976 break; |
| 6977 } |
| 6978 i3 = i2 >>> 8; |
| 6979 if ((i3 | 0) != 0) { |
| 6980 if (i2 >>> 0 > 16777215) { |
| 6981 i3 = 31; |
| 6982 } else { |
| 6983 i31 = (i3 + 1048320 | 0) >>> 16 & 8; |
| 6984 i32 = i3 << i31; |
| 6985 i30 = (i32 + 520192 | 0) >>> 16 & 4; |
| 6986 i32 = i32 << i30; |
| 6987 i3 = (i32 + 245760 | 0) >>> 16 & 2; |
| 6988 i3 = 14 - (i30 | i31 | i3) + (i32 << i3 >>> 15) | 0; |
| 6989 i3 = i2 >>> (i3 + 7 | 0) & 1 | i3 << 1; |
| 6990 } |
| 6991 } else { |
| 6992 i3 = 0; |
| 6993 } |
| 6994 i7 = 344 + (i3 << 2) | 0; |
| 6995 HEAP32[i15 + 28 >> 2] = i3; |
| 6996 HEAP32[i15 + 20 >> 2] = 0; |
| 6997 HEAP32[i15 + 16 >> 2] = 0; |
| 6998 i4 = HEAP32[44 >> 2] | 0; |
| 6999 i5 = 1 << i3; |
| 7000 if ((i4 & i5 | 0) == 0) { |
| 7001 HEAP32[44 >> 2] = i4 | i5; |
| 7002 HEAP32[i7 >> 2] = i15; |
| 7003 HEAP32[i15 + 24 >> 2] = i7; |
| 7004 HEAP32[i15 + 12 >> 2] = i15; |
| 7005 HEAP32[i15 + 8 >> 2] = i15; |
| 7006 break; |
| 7007 } |
| 7008 i4 = HEAP32[i7 >> 2] | 0; |
| 7009 if ((i3 | 0) == 31) { |
| 7010 i3 = 0; |
| 7011 } else { |
| 7012 i3 = 25 - (i3 >>> 1) | 0; |
| 7013 } |
| 7014 L499 : do { |
| 7015 if ((HEAP32[i4 + 4 >> 2] & -8 | 0) != (i2 | 0)) { |
| 7016 i3 = i2 << i3; |
| 7017 while (1) { |
| 7018 i7 = i4 + (i3 >>> 31 << 2) + 16 | 0; |
| 7019 i5 = HEAP32[i7 >> 2] | 0; |
| 7020 if ((i5 | 0) == 0) { |
| 7021 break; |
| 7022 } |
| 7023 if ((HEAP32[i5 + 4 >> 2] & -8 | 0) == (i2 | 0)) { |
| 7024 i6 = i5; |
| 7025 break L499; |
| 7026 } else { |
| 7027 i3 = i3 << 1; |
| 7028 i4 = i5; |
| 7029 } |
| 7030 } |
| 7031 if (i7 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 7032 _abort(); |
| 7033 } else { |
| 7034 HEAP32[i7 >> 2] = i15; |
| 7035 HEAP32[i15 + 24 >> 2] = i4; |
| 7036 HEAP32[i15 + 12 >> 2] = i15; |
| 7037 HEAP32[i15 + 8 >> 2] = i15; |
| 7038 break L311; |
| 7039 } |
| 7040 } else { |
| 7041 i6 = i4; |
| 7042 } |
| 7043 } while (0); |
| 7044 i4 = i6 + 8 | 0; |
| 7045 i3 = HEAP32[i4 >> 2] | 0; |
| 7046 i2 = HEAP32[56 >> 2] | 0; |
| 7047 if (i6 >>> 0 < i2 >>> 0) { |
| 7048 _abort(); |
| 7049 } |
| 7050 if (i3 >>> 0 < i2 >>> 0) { |
| 7051 _abort(); |
| 7052 } else { |
| 7053 HEAP32[i3 + 12 >> 2] = i15; |
| 7054 HEAP32[i4 >> 2] = i15; |
| 7055 HEAP32[i15 + 8 >> 2] = i3; |
| 7056 HEAP32[i15 + 12 >> 2] = i6; |
| 7057 HEAP32[i15 + 24 >> 2] = 0; |
| 7058 break; |
| 7059 } |
| 7060 } |
| 7061 } else { |
| 7062 i32 = HEAP32[56 >> 2] | 0; |
| 7063 if ((i32 | 0) == 0 | i17 >>> 0 < i32 >>> 0) { |
| 7064 HEAP32[56 >> 2] = i17; |
| 7065 } |
| 7066 HEAP32[488 >> 2] = i17; |
| 7067 HEAP32[492 >> 2] = i14; |
| 7068 HEAP32[500 >> 2] = 0; |
| 7069 HEAP32[76 >> 2] = HEAP32[128]; |
| 7070 HEAP32[72 >> 2] = -1; |
| 7071 i2 = 0; |
| 7072 do { |
| 7073 i32 = i2 << 1; |
| 7074 i31 = 80 + (i32 << 2) | 0; |
| 7075 HEAP32[80 + (i32 + 3 << 2) >> 2] = i31; |
| 7076 HEAP32[80 + (i32 + 2 << 2) >> 2] = i31; |
| 7077 i2 = i2 + 1 | 0; |
| 7078 } while ((i2 | 0) != 32); |
| 7079 i2 = i17 + 8 | 0; |
| 7080 if ((i2 & 7 | 0) == 0) { |
| 7081 i2 = 0; |
| 7082 } else { |
| 7083 i2 = 0 - i2 & 7; |
| 7084 } |
| 7085 i32 = i14 + -40 - i2 | 0; |
| 7086 HEAP32[64 >> 2] = i17 + i2; |
| 7087 HEAP32[52 >> 2] = i32; |
| 7088 HEAP32[i17 + (i2 + 4) >> 2] = i32 | 1; |
| 7089 HEAP32[i17 + (i14 + -36) >> 2] = 40; |
| 7090 HEAP32[68 >> 2] = HEAP32[528 >> 2]; |
| 7091 } |
| 7092 } while (0); |
| 7093 i2 = HEAP32[52 >> 2] | 0; |
| 7094 if (i2 >>> 0 > i12 >>> 0) { |
| 7095 i31 = i2 - i12 | 0; |
| 7096 HEAP32[52 >> 2] = i31; |
| 7097 i32 = HEAP32[64 >> 2] | 0; |
| 7098 HEAP32[64 >> 2] = i32 + i12; |
| 7099 HEAP32[i32 + (i12 + 4) >> 2] = i31 | 1; |
| 7100 HEAP32[i32 + 4 >> 2] = i12 | 3; |
| 7101 i32 = i32 + 8 | 0; |
| 7102 STACKTOP = i1; |
| 7103 return i32 | 0; |
| 7104 } |
| 7105 } |
| 7106 HEAP32[(___errno_location() | 0) >> 2] = 12; |
| 7107 i32 = 0; |
| 7108 STACKTOP = i1; |
| 7109 return i32 | 0; |
| 7110 } |
| 7111 function _free(i7) { |
| 7112 i7 = i7 | 0; |
| 7113 var i1 = 0, i2 = 0, i3 = 0, i4 = 0, i5 = 0, i6 = 0, i8 = 0, i9 = 0, i10 = 0, i1
1 = 0, i12 = 0, i13 = 0, i14 = 0, i15 = 0, i16 = 0, i17 = 0, i18 = 0, i19 = 0, i
20 = 0, i21 = 0; |
| 7114 i1 = STACKTOP; |
| 7115 if ((i7 | 0) == 0) { |
| 7116 STACKTOP = i1; |
| 7117 return; |
| 7118 } |
| 7119 i15 = i7 + -8 | 0; |
| 7120 i16 = HEAP32[56 >> 2] | 0; |
| 7121 if (i15 >>> 0 < i16 >>> 0) { |
| 7122 _abort(); |
| 7123 } |
| 7124 i13 = HEAP32[i7 + -4 >> 2] | 0; |
| 7125 i12 = i13 & 3; |
| 7126 if ((i12 | 0) == 1) { |
| 7127 _abort(); |
| 7128 } |
| 7129 i8 = i13 & -8; |
| 7130 i6 = i7 + (i8 + -8) | 0; |
| 7131 do { |
| 7132 if ((i13 & 1 | 0) == 0) { |
| 7133 i19 = HEAP32[i15 >> 2] | 0; |
| 7134 if ((i12 | 0) == 0) { |
| 7135 STACKTOP = i1; |
| 7136 return; |
| 7137 } |
| 7138 i15 = -8 - i19 | 0; |
| 7139 i13 = i7 + i15 | 0; |
| 7140 i12 = i19 + i8 | 0; |
| 7141 if (i13 >>> 0 < i16 >>> 0) { |
| 7142 _abort(); |
| 7143 } |
| 7144 if ((i13 | 0) == (HEAP32[60 >> 2] | 0)) { |
| 7145 i2 = i7 + (i8 + -4) | 0; |
| 7146 if ((HEAP32[i2 >> 2] & 3 | 0) != 3) { |
| 7147 i2 = i13; |
| 7148 i11 = i12; |
| 7149 break; |
| 7150 } |
| 7151 HEAP32[48 >> 2] = i12; |
| 7152 HEAP32[i2 >> 2] = HEAP32[i2 >> 2] & -2; |
| 7153 HEAP32[i7 + (i15 + 4) >> 2] = i12 | 1; |
| 7154 HEAP32[i6 >> 2] = i12; |
| 7155 STACKTOP = i1; |
| 7156 return; |
| 7157 } |
| 7158 i18 = i19 >>> 3; |
| 7159 if (i19 >>> 0 < 256) { |
| 7160 i2 = HEAP32[i7 + (i15 + 8) >> 2] | 0; |
| 7161 i11 = HEAP32[i7 + (i15 + 12) >> 2] | 0; |
| 7162 i14 = 80 + (i18 << 1 << 2) | 0; |
| 7163 if ((i2 | 0) != (i14 | 0)) { |
| 7164 if (i2 >>> 0 < i16 >>> 0) { |
| 7165 _abort(); |
| 7166 } |
| 7167 if ((HEAP32[i2 + 12 >> 2] | 0) != (i13 | 0)) { |
| 7168 _abort(); |
| 7169 } |
| 7170 } |
| 7171 if ((i11 | 0) == (i2 | 0)) { |
| 7172 HEAP32[10] = HEAP32[10] & ~(1 << i18); |
| 7173 i2 = i13; |
| 7174 i11 = i12; |
| 7175 break; |
| 7176 } |
| 7177 if ((i11 | 0) != (i14 | 0)) { |
| 7178 if (i11 >>> 0 < i16 >>> 0) { |
| 7179 _abort(); |
| 7180 } |
| 7181 i14 = i11 + 8 | 0; |
| 7182 if ((HEAP32[i14 >> 2] | 0) == (i13 | 0)) { |
| 7183 i17 = i14; |
| 7184 } else { |
| 7185 _abort(); |
| 7186 } |
| 7187 } else { |
| 7188 i17 = i11 + 8 | 0; |
| 7189 } |
| 7190 HEAP32[i2 + 12 >> 2] = i11; |
| 7191 HEAP32[i17 >> 2] = i2; |
| 7192 i2 = i13; |
| 7193 i11 = i12; |
| 7194 break; |
| 7195 } |
| 7196 i17 = HEAP32[i7 + (i15 + 24) >> 2] | 0; |
| 7197 i18 = HEAP32[i7 + (i15 + 12) >> 2] | 0; |
| 7198 do { |
| 7199 if ((i18 | 0) == (i13 | 0)) { |
| 7200 i19 = i7 + (i15 + 20) | 0; |
| 7201 i18 = HEAP32[i19 >> 2] | 0; |
| 7202 if ((i18 | 0) == 0) { |
| 7203 i19 = i7 + (i15 + 16) | 0; |
| 7204 i18 = HEAP32[i19 >> 2] | 0; |
| 7205 if ((i18 | 0) == 0) { |
| 7206 i14 = 0; |
| 7207 break; |
| 7208 } |
| 7209 } |
| 7210 while (1) { |
| 7211 i21 = i18 + 20 | 0; |
| 7212 i20 = HEAP32[i21 >> 2] | 0; |
| 7213 if ((i20 | 0) != 0) { |
| 7214 i18 = i20; |
| 7215 i19 = i21; |
| 7216 continue; |
| 7217 } |
| 7218 i20 = i18 + 16 | 0; |
| 7219 i21 = HEAP32[i20 >> 2] | 0; |
| 7220 if ((i21 | 0) == 0) { |
| 7221 break; |
| 7222 } else { |
| 7223 i18 = i21; |
| 7224 i19 = i20; |
| 7225 } |
| 7226 } |
| 7227 if (i19 >>> 0 < i16 >>> 0) { |
| 7228 _abort(); |
| 7229 } else { |
| 7230 HEAP32[i19 >> 2] = 0; |
| 7231 i14 = i18; |
| 7232 break; |
| 7233 } |
| 7234 } else { |
| 7235 i19 = HEAP32[i7 + (i15 + 8) >> 2] | 0; |
| 7236 if (i19 >>> 0 < i16 >>> 0) { |
| 7237 _abort(); |
| 7238 } |
| 7239 i16 = i19 + 12 | 0; |
| 7240 if ((HEAP32[i16 >> 2] | 0) != (i13 | 0)) { |
| 7241 _abort(); |
| 7242 } |
| 7243 i20 = i18 + 8 | 0; |
| 7244 if ((HEAP32[i20 >> 2] | 0) == (i13 | 0)) { |
| 7245 HEAP32[i16 >> 2] = i18; |
| 7246 HEAP32[i20 >> 2] = i19; |
| 7247 i14 = i18; |
| 7248 break; |
| 7249 } else { |
| 7250 _abort(); |
| 7251 } |
| 7252 } |
| 7253 } while (0); |
| 7254 if ((i17 | 0) != 0) { |
| 7255 i18 = HEAP32[i7 + (i15 + 28) >> 2] | 0; |
| 7256 i16 = 344 + (i18 << 2) | 0; |
| 7257 if ((i13 | 0) == (HEAP32[i16 >> 2] | 0)) { |
| 7258 HEAP32[i16 >> 2] = i14; |
| 7259 if ((i14 | 0) == 0) { |
| 7260 HEAP32[44 >> 2] = HEAP32[44 >> 2] & ~(1 << i18); |
| 7261 i2 = i13; |
| 7262 i11 = i12; |
| 7263 break; |
| 7264 } |
| 7265 } else { |
| 7266 if (i17 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 7267 _abort(); |
| 7268 } |
| 7269 i16 = i17 + 16 | 0; |
| 7270 if ((HEAP32[i16 >> 2] | 0) == (i13 | 0)) { |
| 7271 HEAP32[i16 >> 2] = i14; |
| 7272 } else { |
| 7273 HEAP32[i17 + 20 >> 2] = i14; |
| 7274 } |
| 7275 if ((i14 | 0) == 0) { |
| 7276 i2 = i13; |
| 7277 i11 = i12; |
| 7278 break; |
| 7279 } |
| 7280 } |
| 7281 if (i14 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 7282 _abort(); |
| 7283 } |
| 7284 HEAP32[i14 + 24 >> 2] = i17; |
| 7285 i16 = HEAP32[i7 + (i15 + 16) >> 2] | 0; |
| 7286 do { |
| 7287 if ((i16 | 0) != 0) { |
| 7288 if (i16 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 7289 _abort(); |
| 7290 } else { |
| 7291 HEAP32[i14 + 16 >> 2] = i16; |
| 7292 HEAP32[i16 + 24 >> 2] = i14; |
| 7293 break; |
| 7294 } |
| 7295 } |
| 7296 } while (0); |
| 7297 i15 = HEAP32[i7 + (i15 + 20) >> 2] | 0; |
| 7298 if ((i15 | 0) != 0) { |
| 7299 if (i15 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 7300 _abort(); |
| 7301 } else { |
| 7302 HEAP32[i14 + 20 >> 2] = i15; |
| 7303 HEAP32[i15 + 24 >> 2] = i14; |
| 7304 i2 = i13; |
| 7305 i11 = i12; |
| 7306 break; |
| 7307 } |
| 7308 } else { |
| 7309 i2 = i13; |
| 7310 i11 = i12; |
| 7311 } |
| 7312 } else { |
| 7313 i2 = i13; |
| 7314 i11 = i12; |
| 7315 } |
| 7316 } else { |
| 7317 i2 = i15; |
| 7318 i11 = i8; |
| 7319 } |
| 7320 } while (0); |
| 7321 if (!(i2 >>> 0 < i6 >>> 0)) { |
| 7322 _abort(); |
| 7323 } |
| 7324 i12 = i7 + (i8 + -4) | 0; |
| 7325 i13 = HEAP32[i12 >> 2] | 0; |
| 7326 if ((i13 & 1 | 0) == 0) { |
| 7327 _abort(); |
| 7328 } |
| 7329 if ((i13 & 2 | 0) == 0) { |
| 7330 if ((i6 | 0) == (HEAP32[64 >> 2] | 0)) { |
| 7331 i21 = (HEAP32[52 >> 2] | 0) + i11 | 0; |
| 7332 HEAP32[52 >> 2] = i21; |
| 7333 HEAP32[64 >> 2] = i2; |
| 7334 HEAP32[i2 + 4 >> 2] = i21 | 1; |
| 7335 if ((i2 | 0) != (HEAP32[60 >> 2] | 0)) { |
| 7336 STACKTOP = i1; |
| 7337 return; |
| 7338 } |
| 7339 HEAP32[60 >> 2] = 0; |
| 7340 HEAP32[48 >> 2] = 0; |
| 7341 STACKTOP = i1; |
| 7342 return; |
| 7343 } |
| 7344 if ((i6 | 0) == (HEAP32[60 >> 2] | 0)) { |
| 7345 i21 = (HEAP32[48 >> 2] | 0) + i11 | 0; |
| 7346 HEAP32[48 >> 2] = i21; |
| 7347 HEAP32[60 >> 2] = i2; |
| 7348 HEAP32[i2 + 4 >> 2] = i21 | 1; |
| 7349 HEAP32[i2 + i21 >> 2] = i21; |
| 7350 STACKTOP = i1; |
| 7351 return; |
| 7352 } |
| 7353 i11 = (i13 & -8) + i11 | 0; |
| 7354 i12 = i13 >>> 3; |
| 7355 do { |
| 7356 if (!(i13 >>> 0 < 256)) { |
| 7357 i10 = HEAP32[i7 + (i8 + 16) >> 2] | 0; |
| 7358 i15 = HEAP32[i7 + (i8 | 4) >> 2] | 0; |
| 7359 do { |
| 7360 if ((i15 | 0) == (i6 | 0)) { |
| 7361 i13 = i7 + (i8 + 12) | 0; |
| 7362 i12 = HEAP32[i13 >> 2] | 0; |
| 7363 if ((i12 | 0) == 0) { |
| 7364 i13 = i7 + (i8 + 8) | 0; |
| 7365 i12 = HEAP32[i13 >> 2] | 0; |
| 7366 if ((i12 | 0) == 0) { |
| 7367 i9 = 0; |
| 7368 break; |
| 7369 } |
| 7370 } |
| 7371 while (1) { |
| 7372 i14 = i12 + 20 | 0; |
| 7373 i15 = HEAP32[i14 >> 2] | 0; |
| 7374 if ((i15 | 0) != 0) { |
| 7375 i12 = i15; |
| 7376 i13 = i14; |
| 7377 continue; |
| 7378 } |
| 7379 i14 = i12 + 16 | 0; |
| 7380 i15 = HEAP32[i14 >> 2] | 0; |
| 7381 if ((i15 | 0) == 0) { |
| 7382 break; |
| 7383 } else { |
| 7384 i12 = i15; |
| 7385 i13 = i14; |
| 7386 } |
| 7387 } |
| 7388 if (i13 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 7389 _abort(); |
| 7390 } else { |
| 7391 HEAP32[i13 >> 2] = 0; |
| 7392 i9 = i12; |
| 7393 break; |
| 7394 } |
| 7395 } else { |
| 7396 i13 = HEAP32[i7 + i8 >> 2] | 0; |
| 7397 if (i13 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 7398 _abort(); |
| 7399 } |
| 7400 i14 = i13 + 12 | 0; |
| 7401 if ((HEAP32[i14 >> 2] | 0) != (i6 | 0)) { |
| 7402 _abort(); |
| 7403 } |
| 7404 i12 = i15 + 8 | 0; |
| 7405 if ((HEAP32[i12 >> 2] | 0) == (i6 | 0)) { |
| 7406 HEAP32[i14 >> 2] = i15; |
| 7407 HEAP32[i12 >> 2] = i13; |
| 7408 i9 = i15; |
| 7409 break; |
| 7410 } else { |
| 7411 _abort(); |
| 7412 } |
| 7413 } |
| 7414 } while (0); |
| 7415 if ((i10 | 0) != 0) { |
| 7416 i12 = HEAP32[i7 + (i8 + 20) >> 2] | 0; |
| 7417 i13 = 344 + (i12 << 2) | 0; |
| 7418 if ((i6 | 0) == (HEAP32[i13 >> 2] | 0)) { |
| 7419 HEAP32[i13 >> 2] = i9; |
| 7420 if ((i9 | 0) == 0) { |
| 7421 HEAP32[44 >> 2] = HEAP32[44 >> 2] & ~(1 << i12); |
| 7422 break; |
| 7423 } |
| 7424 } else { |
| 7425 if (i10 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 7426 _abort(); |
| 7427 } |
| 7428 i12 = i10 + 16 | 0; |
| 7429 if ((HEAP32[i12 >> 2] | 0) == (i6 | 0)) { |
| 7430 HEAP32[i12 >> 2] = i9; |
| 7431 } else { |
| 7432 HEAP32[i10 + 20 >> 2] = i9; |
| 7433 } |
| 7434 if ((i9 | 0) == 0) { |
| 7435 break; |
| 7436 } |
| 7437 } |
| 7438 if (i9 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 7439 _abort(); |
| 7440 } |
| 7441 HEAP32[i9 + 24 >> 2] = i10; |
| 7442 i6 = HEAP32[i7 + (i8 + 8) >> 2] | 0; |
| 7443 do { |
| 7444 if ((i6 | 0) != 0) { |
| 7445 if (i6 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 7446 _abort(); |
| 7447 } else { |
| 7448 HEAP32[i9 + 16 >> 2] = i6; |
| 7449 HEAP32[i6 + 24 >> 2] = i9; |
| 7450 break; |
| 7451 } |
| 7452 } |
| 7453 } while (0); |
| 7454 i6 = HEAP32[i7 + (i8 + 12) >> 2] | 0; |
| 7455 if ((i6 | 0) != 0) { |
| 7456 if (i6 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 7457 _abort(); |
| 7458 } else { |
| 7459 HEAP32[i9 + 20 >> 2] = i6; |
| 7460 HEAP32[i6 + 24 >> 2] = i9; |
| 7461 break; |
| 7462 } |
| 7463 } |
| 7464 } |
| 7465 } else { |
| 7466 i9 = HEAP32[i7 + i8 >> 2] | 0; |
| 7467 i7 = HEAP32[i7 + (i8 | 4) >> 2] | 0; |
| 7468 i8 = 80 + (i12 << 1 << 2) | 0; |
| 7469 if ((i9 | 0) != (i8 | 0)) { |
| 7470 if (i9 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 7471 _abort(); |
| 7472 } |
| 7473 if ((HEAP32[i9 + 12 >> 2] | 0) != (i6 | 0)) { |
| 7474 _abort(); |
| 7475 } |
| 7476 } |
| 7477 if ((i7 | 0) == (i9 | 0)) { |
| 7478 HEAP32[10] = HEAP32[10] & ~(1 << i12); |
| 7479 break; |
| 7480 } |
| 7481 if ((i7 | 0) != (i8 | 0)) { |
| 7482 if (i7 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 7483 _abort(); |
| 7484 } |
| 7485 i8 = i7 + 8 | 0; |
| 7486 if ((HEAP32[i8 >> 2] | 0) == (i6 | 0)) { |
| 7487 i10 = i8; |
| 7488 } else { |
| 7489 _abort(); |
| 7490 } |
| 7491 } else { |
| 7492 i10 = i7 + 8 | 0; |
| 7493 } |
| 7494 HEAP32[i9 + 12 >> 2] = i7; |
| 7495 HEAP32[i10 >> 2] = i9; |
| 7496 } |
| 7497 } while (0); |
| 7498 HEAP32[i2 + 4 >> 2] = i11 | 1; |
| 7499 HEAP32[i2 + i11 >> 2] = i11; |
| 7500 if ((i2 | 0) == (HEAP32[60 >> 2] | 0)) { |
| 7501 HEAP32[48 >> 2] = i11; |
| 7502 STACKTOP = i1; |
| 7503 return; |
| 7504 } |
| 7505 } else { |
| 7506 HEAP32[i12 >> 2] = i13 & -2; |
| 7507 HEAP32[i2 + 4 >> 2] = i11 | 1; |
| 7508 HEAP32[i2 + i11 >> 2] = i11; |
| 7509 } |
| 7510 i6 = i11 >>> 3; |
| 7511 if (i11 >>> 0 < 256) { |
| 7512 i7 = i6 << 1; |
| 7513 i3 = 80 + (i7 << 2) | 0; |
| 7514 i8 = HEAP32[10] | 0; |
| 7515 i6 = 1 << i6; |
| 7516 if ((i8 & i6 | 0) != 0) { |
| 7517 i6 = 80 + (i7 + 2 << 2) | 0; |
| 7518 i7 = HEAP32[i6 >> 2] | 0; |
| 7519 if (i7 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 7520 _abort(); |
| 7521 } else { |
| 7522 i4 = i6; |
| 7523 i5 = i7; |
| 7524 } |
| 7525 } else { |
| 7526 HEAP32[10] = i8 | i6; |
| 7527 i4 = 80 + (i7 + 2 << 2) | 0; |
| 7528 i5 = i3; |
| 7529 } |
| 7530 HEAP32[i4 >> 2] = i2; |
| 7531 HEAP32[i5 + 12 >> 2] = i2; |
| 7532 HEAP32[i2 + 8 >> 2] = i5; |
| 7533 HEAP32[i2 + 12 >> 2] = i3; |
| 7534 STACKTOP = i1; |
| 7535 return; |
| 7536 } |
| 7537 i4 = i11 >>> 8; |
| 7538 if ((i4 | 0) != 0) { |
| 7539 if (i11 >>> 0 > 16777215) { |
| 7540 i4 = 31; |
| 7541 } else { |
| 7542 i20 = (i4 + 1048320 | 0) >>> 16 & 8; |
| 7543 i21 = i4 << i20; |
| 7544 i19 = (i21 + 520192 | 0) >>> 16 & 4; |
| 7545 i21 = i21 << i19; |
| 7546 i4 = (i21 + 245760 | 0) >>> 16 & 2; |
| 7547 i4 = 14 - (i19 | i20 | i4) + (i21 << i4 >>> 15) | 0; |
| 7548 i4 = i11 >>> (i4 + 7 | 0) & 1 | i4 << 1; |
| 7549 } |
| 7550 } else { |
| 7551 i4 = 0; |
| 7552 } |
| 7553 i5 = 344 + (i4 << 2) | 0; |
| 7554 HEAP32[i2 + 28 >> 2] = i4; |
| 7555 HEAP32[i2 + 20 >> 2] = 0; |
| 7556 HEAP32[i2 + 16 >> 2] = 0; |
| 7557 i7 = HEAP32[44 >> 2] | 0; |
| 7558 i6 = 1 << i4; |
| 7559 L199 : do { |
| 7560 if ((i7 & i6 | 0) != 0) { |
| 7561 i5 = HEAP32[i5 >> 2] | 0; |
| 7562 if ((i4 | 0) == 31) { |
| 7563 i4 = 0; |
| 7564 } else { |
| 7565 i4 = 25 - (i4 >>> 1) | 0; |
| 7566 } |
| 7567 L205 : do { |
| 7568 if ((HEAP32[i5 + 4 >> 2] & -8 | 0) != (i11 | 0)) { |
| 7569 i4 = i11 << i4; |
| 7570 i7 = i5; |
| 7571 while (1) { |
| 7572 i6 = i7 + (i4 >>> 31 << 2) + 16 | 0; |
| 7573 i5 = HEAP32[i6 >> 2] | 0; |
| 7574 if ((i5 | 0) == 0) { |
| 7575 break; |
| 7576 } |
| 7577 if ((HEAP32[i5 + 4 >> 2] & -8 | 0) == (i11 | 0)) { |
| 7578 i3 = i5; |
| 7579 break L205; |
| 7580 } else { |
| 7581 i4 = i4 << 1; |
| 7582 i7 = i5; |
| 7583 } |
| 7584 } |
| 7585 if (i6 >>> 0 < (HEAP32[56 >> 2] | 0) >>> 0) { |
| 7586 _abort(); |
| 7587 } else { |
| 7588 HEAP32[i6 >> 2] = i2; |
| 7589 HEAP32[i2 + 24 >> 2] = i7; |
| 7590 HEAP32[i2 + 12 >> 2] = i2; |
| 7591 HEAP32[i2 + 8 >> 2] = i2; |
| 7592 break L199; |
| 7593 } |
| 7594 } else { |
| 7595 i3 = i5; |
| 7596 } |
| 7597 } while (0); |
| 7598 i5 = i3 + 8 | 0; |
| 7599 i4 = HEAP32[i5 >> 2] | 0; |
| 7600 i6 = HEAP32[56 >> 2] | 0; |
| 7601 if (i3 >>> 0 < i6 >>> 0) { |
| 7602 _abort(); |
| 7603 } |
| 7604 if (i4 >>> 0 < i6 >>> 0) { |
| 7605 _abort(); |
| 7606 } else { |
| 7607 HEAP32[i4 + 12 >> 2] = i2; |
| 7608 HEAP32[i5 >> 2] = i2; |
| 7609 HEAP32[i2 + 8 >> 2] = i4; |
| 7610 HEAP32[i2 + 12 >> 2] = i3; |
| 7611 HEAP32[i2 + 24 >> 2] = 0; |
| 7612 break; |
| 7613 } |
| 7614 } else { |
| 7615 HEAP32[44 >> 2] = i7 | i6; |
| 7616 HEAP32[i5 >> 2] = i2; |
| 7617 HEAP32[i2 + 24 >> 2] = i5; |
| 7618 HEAP32[i2 + 12 >> 2] = i2; |
| 7619 HEAP32[i2 + 8 >> 2] = i2; |
| 7620 } |
| 7621 } while (0); |
| 7622 i21 = (HEAP32[72 >> 2] | 0) + -1 | 0; |
| 7623 HEAP32[72 >> 2] = i21; |
| 7624 if ((i21 | 0) == 0) { |
| 7625 i2 = 496 | 0; |
| 7626 } else { |
| 7627 STACKTOP = i1; |
| 7628 return; |
| 7629 } |
| 7630 while (1) { |
| 7631 i2 = HEAP32[i2 >> 2] | 0; |
| 7632 if ((i2 | 0) == 0) { |
| 7633 break; |
| 7634 } else { |
| 7635 i2 = i2 + 8 | 0; |
| 7636 } |
| 7637 } |
| 7638 HEAP32[72 >> 2] = -1; |
| 7639 STACKTOP = i1; |
| 7640 return; |
| 7641 } |
| 7642 function _main(i3, i5) { |
| 7643 i3 = i3 | 0; |
| 7644 i5 = i5 | 0; |
| 7645 var i1 = 0, i2 = 0, i4 = 0, i6 = 0, i7 = 0; |
| 7646 i1 = STACKTOP; |
| 7647 STACKTOP = STACKTOP + 16 | 0; |
| 7648 i2 = i1; |
| 7649 L1 : do { |
| 7650 if ((i3 | 0) > 1) { |
| 7651 i3 = HEAP8[HEAP32[i5 + 4 >> 2] | 0] | 0; |
| 7652 switch (i3 | 0) { |
| 7653 case 50: |
| 7654 { |
| 7655 i3 = 400; |
| 7656 break L1; |
| 7657 } |
| 7658 case 51: |
| 7659 { |
| 7660 i4 = 4; |
| 7661 break L1; |
| 7662 } |
| 7663 case 52: |
| 7664 { |
| 7665 i3 = 4e3; |
| 7666 break L1; |
| 7667 } |
| 7668 case 53: |
| 7669 { |
| 7670 i3 = 8e3; |
| 7671 break L1; |
| 7672 } |
| 7673 case 49: |
| 7674 { |
| 7675 i3 = 55; |
| 7676 break L1; |
| 7677 } |
| 7678 case 48: |
| 7679 { |
| 7680 i7 = 0; |
| 7681 STACKTOP = i1; |
| 7682 return i7 | 0; |
| 7683 } |
| 7684 default: |
| 7685 { |
| 7686 HEAP32[i2 >> 2] = i3 + -48; |
| 7687 _printf(8, i2 | 0) | 0; |
| 7688 i7 = -1; |
| 7689 STACKTOP = i1; |
| 7690 return i7 | 0; |
| 7691 } |
| 7692 } |
| 7693 } else { |
| 7694 i4 = 4; |
| 7695 } |
| 7696 } while (0); |
| 7697 if ((i4 | 0) == 4) { |
| 7698 i3 = 800; |
| 7699 } |
| 7700 i5 = _malloc(1048576) | 0; |
| 7701 i6 = 0; |
| 7702 i4 = 0; |
| 7703 do { |
| 7704 i7 = 0; |
| 7705 while (1) { |
| 7706 HEAP8[i5 + i7 | 0] = i7 + i6; |
| 7707 i7 = i7 + 1 | 0; |
| 7708 if ((i7 | 0) == 1048576) { |
| 7709 i7 = 0; |
| 7710 break; |
| 7711 } |
| 7712 } |
| 7713 do { |
| 7714 i6 = (HEAP8[i5 + i7 | 0] & 1) + i6 | 0; |
| 7715 i7 = i7 + 1 | 0; |
| 7716 } while ((i7 | 0) != 1048576); |
| 7717 i6 = (i6 | 0) % 1e3 | 0; |
| 7718 i4 = i4 + 1 | 0; |
| 7719 } while ((i4 | 0) < (i3 | 0)); |
| 7720 HEAP32[i2 >> 2] = i6; |
| 7721 _printf(24, i2 | 0) | 0; |
| 7722 i7 = 0; |
| 7723 STACKTOP = i1; |
| 7724 return i7 | 0; |
| 7725 } |
| 7726 function _memcpy(i3, i2, i1) { |
| 7727 i3 = i3 | 0; |
| 7728 i2 = i2 | 0; |
| 7729 i1 = i1 | 0; |
| 7730 var i4 = 0; |
| 7731 if ((i1 | 0) >= 4096) return _emscripten_memcpy_big(i3 | 0, i2 | 0, i1 | 0) | 0
; |
| 7732 i4 = i3 | 0; |
| 7733 if ((i3 & 3) == (i2 & 3)) { |
| 7734 while (i3 & 3) { |
| 7735 if ((i1 | 0) == 0) return i4 | 0; |
| 7736 HEAP8[i3] = HEAP8[i2] | 0; |
| 7737 i3 = i3 + 1 | 0; |
| 7738 i2 = i2 + 1 | 0; |
| 7739 i1 = i1 - 1 | 0; |
| 7740 } |
| 7741 while ((i1 | 0) >= 4) { |
| 7742 HEAP32[i3 >> 2] = HEAP32[i2 >> 2]; |
| 7743 i3 = i3 + 4 | 0; |
| 7744 i2 = i2 + 4 | 0; |
| 7745 i1 = i1 - 4 | 0; |
| 7746 } |
| 7747 } |
| 7748 while ((i1 | 0) > 0) { |
| 7749 HEAP8[i3] = HEAP8[i2] | 0; |
| 7750 i3 = i3 + 1 | 0; |
| 7751 i2 = i2 + 1 | 0; |
| 7752 i1 = i1 - 1 | 0; |
| 7753 } |
| 7754 return i4 | 0; |
| 7755 } |
| 7756 function _memset(i1, i4, i3) { |
| 7757 i1 = i1 | 0; |
| 7758 i4 = i4 | 0; |
| 7759 i3 = i3 | 0; |
| 7760 var i2 = 0, i5 = 0, i6 = 0, i7 = 0; |
| 7761 i2 = i1 + i3 | 0; |
| 7762 if ((i3 | 0) >= 20) { |
| 7763 i4 = i4 & 255; |
| 7764 i7 = i1 & 3; |
| 7765 i6 = i4 | i4 << 8 | i4 << 16 | i4 << 24; |
| 7766 i5 = i2 & ~3; |
| 7767 if (i7) { |
| 7768 i7 = i1 + 4 - i7 | 0; |
| 7769 while ((i1 | 0) < (i7 | 0)) { |
| 7770 HEAP8[i1] = i4; |
| 7771 i1 = i1 + 1 | 0; |
| 7772 } |
| 7773 } |
| 7774 while ((i1 | 0) < (i5 | 0)) { |
| 7775 HEAP32[i1 >> 2] = i6; |
| 7776 i1 = i1 + 4 | 0; |
| 7777 } |
| 7778 } |
| 7779 while ((i1 | 0) < (i2 | 0)) { |
| 7780 HEAP8[i1] = i4; |
| 7781 i1 = i1 + 1 | 0; |
| 7782 } |
| 7783 return i1 - i3 | 0; |
| 7784 } |
| 7785 function copyTempDouble(i1) { |
| 7786 i1 = i1 | 0; |
| 7787 HEAP8[tempDoublePtr] = HEAP8[i1]; |
| 7788 HEAP8[tempDoublePtr + 1 | 0] = HEAP8[i1 + 1 | 0]; |
| 7789 HEAP8[tempDoublePtr + 2 | 0] = HEAP8[i1 + 2 | 0]; |
| 7790 HEAP8[tempDoublePtr + 3 | 0] = HEAP8[i1 + 3 | 0]; |
| 7791 HEAP8[tempDoublePtr + 4 | 0] = HEAP8[i1 + 4 | 0]; |
| 7792 HEAP8[tempDoublePtr + 5 | 0] = HEAP8[i1 + 5 | 0]; |
| 7793 HEAP8[tempDoublePtr + 6 | 0] = HEAP8[i1 + 6 | 0]; |
| 7794 HEAP8[tempDoublePtr + 7 | 0] = HEAP8[i1 + 7 | 0]; |
| 7795 } |
| 7796 function copyTempFloat(i1) { |
| 7797 i1 = i1 | 0; |
| 7798 HEAP8[tempDoublePtr] = HEAP8[i1]; |
| 7799 HEAP8[tempDoublePtr + 1 | 0] = HEAP8[i1 + 1 | 0]; |
| 7800 HEAP8[tempDoublePtr + 2 | 0] = HEAP8[i1 + 2 | 0]; |
| 7801 HEAP8[tempDoublePtr + 3 | 0] = HEAP8[i1 + 3 | 0]; |
| 7802 } |
| 7803 function runPostSets() {} |
| 7804 function _strlen(i1) { |
| 7805 i1 = i1 | 0; |
| 7806 var i2 = 0; |
| 7807 i2 = i1; |
| 7808 while (HEAP8[i2] | 0) { |
| 7809 i2 = i2 + 1 | 0; |
| 7810 } |
| 7811 return i2 - i1 | 0; |
| 7812 } |
| 7813 function stackAlloc(i1) { |
| 7814 i1 = i1 | 0; |
| 7815 var i2 = 0; |
| 7816 i2 = STACKTOP; |
| 7817 STACKTOP = STACKTOP + i1 | 0; |
| 7818 STACKTOP = STACKTOP + 7 & -8; |
| 7819 return i2 | 0; |
| 7820 } |
| 7821 function setThrew(i1, i2) { |
| 7822 i1 = i1 | 0; |
| 7823 i2 = i2 | 0; |
| 7824 if ((__THREW__ | 0) == 0) { |
| 7825 __THREW__ = i1; |
| 7826 threwValue = i2; |
| 7827 } |
| 7828 } |
| 7829 function stackRestore(i1) { |
| 7830 i1 = i1 | 0; |
| 7831 STACKTOP = i1; |
| 7832 } |
| 7833 function setTempRet9(i1) { |
| 7834 i1 = i1 | 0; |
| 7835 tempRet9 = i1; |
| 7836 } |
| 7837 function setTempRet8(i1) { |
| 7838 i1 = i1 | 0; |
| 7839 tempRet8 = i1; |
| 7840 } |
| 7841 function setTempRet7(i1) { |
| 7842 i1 = i1 | 0; |
| 7843 tempRet7 = i1; |
| 7844 } |
| 7845 function setTempRet6(i1) { |
| 7846 i1 = i1 | 0; |
| 7847 tempRet6 = i1; |
| 7848 } |
| 7849 function setTempRet5(i1) { |
| 7850 i1 = i1 | 0; |
| 7851 tempRet5 = i1; |
| 7852 } |
| 7853 function setTempRet4(i1) { |
| 7854 i1 = i1 | 0; |
| 7855 tempRet4 = i1; |
| 7856 } |
| 7857 function setTempRet3(i1) { |
| 7858 i1 = i1 | 0; |
| 7859 tempRet3 = i1; |
| 7860 } |
| 7861 function setTempRet2(i1) { |
| 7862 i1 = i1 | 0; |
| 7863 tempRet2 = i1; |
| 7864 } |
| 7865 function setTempRet1(i1) { |
| 7866 i1 = i1 | 0; |
| 7867 tempRet1 = i1; |
| 7868 } |
| 7869 function setTempRet0(i1) { |
| 7870 i1 = i1 | 0; |
| 7871 tempRet0 = i1; |
| 7872 } |
| 7873 function stackSave() { |
| 7874 return STACKTOP | 0; |
| 7875 } |
| 7876 |
| 7877 // EMSCRIPTEN_END_FUNCS |
| 7878 |
| 7879 |
| 7880 return { _strlen: _strlen, _free: _free, _main: _main, _memset: _memset, _mall
oc: _malloc, _memcpy: _memcpy, runPostSets: runPostSets, stackAlloc: stackAlloc,
stackSave: stackSave, stackRestore: stackRestore, setThrew: setThrew, setTempRe
t0: setTempRet0, setTempRet1: setTempRet1, setTempRet2: setTempRet2, setTempRet3
: setTempRet3, setTempRet4: setTempRet4, setTempRet5: setTempRet5, setTempRet6:
setTempRet6, setTempRet7: setTempRet7, setTempRet8: setTempRet8, setTempRet9: se
tTempRet9 }; |
| 7881 }) |
| 7882 // EMSCRIPTEN_END_ASM |
| 7883 ({ "Math": Math, "Int8Array": Int8Array, "Int16Array": Int16Array, "Int32Array":
Int32Array, "Uint8Array": Uint8Array, "Uint16Array": Uint16Array, "Uint32Array"
: Uint32Array, "Float32Array": Float32Array, "Float64Array": Float64Array }, { "
abort": abort, "assert": assert, "asmPrintInt": asmPrintInt, "asmPrintFloat": as
mPrintFloat, "min": Math_min, "_fflush": _fflush, "_emscripten_memcpy_big": _ems
cripten_memcpy_big, "_printf": _printf, "_send": _send, "_pwrite": _pwrite, "_ab
ort": _abort, "___setErrNo": ___setErrNo, "_fwrite": _fwrite, "_sbrk": _sbrk, "_
time": _time, "_mkport": _mkport, "__reallyNegative": __reallyNegative, "__forma
tString": __formatString, "_fileno": _fileno, "_write": _write, "_fprintf": _fpr
intf, "_sysconf": _sysconf, "___errno_location": ___errno_location, "STACKTOP":
STACKTOP, "STACK_MAX": STACK_MAX, "tempDoublePtr": tempDoublePtr, "ABORT": ABORT
, "NaN": NaN, "Infinity": Infinity }, buffer); |
| 7884 var _strlen = Module["_strlen"] = asm["_strlen"]; |
| 7885 var _free = Module["_free"] = asm["_free"]; |
| 7886 var _main = Module["_main"] = asm["_main"]; |
| 7887 var _memset = Module["_memset"] = asm["_memset"]; |
| 7888 var _malloc = Module["_malloc"] = asm["_malloc"]; |
| 7889 var _memcpy = Module["_memcpy"] = asm["_memcpy"]; |
| 7890 var runPostSets = Module["runPostSets"] = asm["runPostSets"]; |
| 7891 |
| 7892 Runtime.stackAlloc = function(size) { return asm['stackAlloc'](size) }; |
| 7893 Runtime.stackSave = function() { return asm['stackSave']() }; |
| 7894 Runtime.stackRestore = function(top) { asm['stackRestore'](top) }; |
| 7895 |
| 7896 |
| 7897 // Warning: printing of i64 values may be slightly rounded! No deep i64 math use
d, so precise i64 code not included |
| 7898 var i64Math = null; |
| 7899 |
| 7900 // === Auto-generated postamble setup entry stuff === |
| 7901 |
| 7902 if (memoryInitializer) { |
| 7903 if (ENVIRONMENT_IS_NODE || ENVIRONMENT_IS_SHELL) { |
| 7904 var data = Module['readBinary'](memoryInitializer); |
| 7905 HEAPU8.set(data, STATIC_BASE); |
| 7906 } else { |
| 7907 addRunDependency('memory initializer'); |
| 7908 Browser.asyncLoad(memoryInitializer, function(data) { |
| 7909 HEAPU8.set(data, STATIC_BASE); |
| 7910 removeRunDependency('memory initializer'); |
| 7911 }, function(data) { |
| 7912 throw 'could not load memory initializer ' + memoryInitializer; |
| 7913 }); |
| 7914 } |
| 7915 } |
| 7916 |
| 7917 function ExitStatus(status) { |
| 7918 this.name = "ExitStatus"; |
| 7919 this.message = "Program terminated with exit(" + status + ")"; |
| 7920 this.status = status; |
| 7921 }; |
| 7922 ExitStatus.prototype = new Error(); |
| 7923 ExitStatus.prototype.constructor = ExitStatus; |
| 7924 |
| 7925 var initialStackTop; |
| 7926 var preloadStartTime = null; |
| 7927 var calledMain = false; |
| 7928 |
| 7929 dependenciesFulfilled = function runCaller() { |
| 7930 // If run has never been called, and we should call run (INVOKE_RUN is true, a
nd Module.noInitialRun is not false) |
| 7931 if (!Module['calledRun'] && shouldRunNow) run([].concat(Module["arguments"])); |
| 7932 if (!Module['calledRun']) dependenciesFulfilled = runCaller; // try this again
later, after new deps are fulfilled |
| 7933 } |
| 7934 |
| 7935 Module['callMain'] = Module.callMain = function callMain(args) { |
| 7936 assert(runDependencies == 0, 'cannot call main when async dependencies remain!
(listen on __ATMAIN__)'); |
| 7937 assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remai
n to be called'); |
| 7938 |
| 7939 args = args || []; |
| 7940 |
| 7941 ensureInitRuntime(); |
| 7942 |
| 7943 var argc = args.length+1; |
| 7944 function pad() { |
| 7945 for (var i = 0; i < 4-1; i++) { |
| 7946 argv.push(0); |
| 7947 } |
| 7948 } |
| 7949 var argv = [allocate(intArrayFromString("/bin/this.program"), 'i8', ALLOC_NORM
AL) ]; |
| 7950 pad(); |
| 7951 for (var i = 0; i < argc-1; i = i + 1) { |
| 7952 argv.push(allocate(intArrayFromString(args[i]), 'i8', ALLOC_NORMAL)); |
| 7953 pad(); |
| 7954 } |
| 7955 argv.push(0); |
| 7956 argv = allocate(argv, 'i32', ALLOC_NORMAL); |
| 7957 |
| 7958 initialStackTop = STACKTOP; |
| 7959 |
| 7960 try { |
| 7961 |
| 7962 var ret = Module['_main'](argc, argv, 0); |
| 7963 |
| 7964 |
| 7965 // if we're not running an evented main loop, it's time to exit |
| 7966 if (!Module['noExitRuntime']) { |
| 7967 exit(ret); |
| 7968 } |
| 7969 } |
| 7970 catch(e) { |
| 7971 if (e instanceof ExitStatus) { |
| 7972 // exit() throws this once it's done to make sure execution |
| 7973 // has been stopped completely |
| 7974 return; |
| 7975 } else if (e == 'SimulateInfiniteLoop') { |
| 7976 // running an evented main loop, don't immediately exit |
| 7977 Module['noExitRuntime'] = true; |
| 7978 return; |
| 7979 } else { |
| 7980 if (e && typeof e === 'object' && e.stack) Module.printErr('exception thro
wn: ' + [e, e.stack]); |
| 7981 throw e; |
| 7982 } |
| 7983 } finally { |
| 7984 calledMain = true; |
| 7985 } |
| 7986 } |
| 7987 |
| 7988 |
| 7989 |
| 7990 |
| 7991 function run(args) { |
| 7992 args = args || Module['arguments']; |
| 7993 |
| 7994 if (preloadStartTime === null) preloadStartTime = Date.now(); |
| 7995 |
| 7996 if (runDependencies > 0) { |
| 7997 Module.printErr('run() called, but dependencies remain, so not running'); |
| 7998 return; |
| 7999 } |
| 8000 |
| 8001 preRun(); |
| 8002 |
| 8003 if (runDependencies > 0) return; // a preRun added a dependency, run will be c
alled later |
| 8004 if (Module['calledRun']) return; // run may have just been called through depe
ndencies being fulfilled just in this very frame |
| 8005 |
| 8006 function doRun() { |
| 8007 if (Module['calledRun']) return; // run may have just been called while the
async setStatus time below was happening |
| 8008 Module['calledRun'] = true; |
| 8009 |
| 8010 ensureInitRuntime(); |
| 8011 |
| 8012 preMain(); |
| 8013 |
| 8014 if (ENVIRONMENT_IS_WEB && preloadStartTime !== null) { |
| 8015 Module.printErr('pre-main prep time: ' + (Date.now() - preloadStartTime) +
' ms'); |
| 8016 } |
| 8017 |
| 8018 if (Module['_main'] && shouldRunNow) { |
| 8019 Module['callMain'](args); |
| 8020 } |
| 8021 |
| 8022 postRun(); |
| 8023 } |
| 8024 |
| 8025 if (Module['setStatus']) { |
| 8026 Module['setStatus']('Running...'); |
| 8027 setTimeout(function() { |
| 8028 setTimeout(function() { |
| 8029 Module['setStatus'](''); |
| 8030 }, 1); |
| 8031 if (!ABORT) doRun(); |
| 8032 }, 1); |
| 8033 } else { |
| 8034 doRun(); |
| 8035 } |
| 8036 } |
| 8037 Module['run'] = Module.run = run; |
| 8038 |
| 8039 function exit(status) { |
| 8040 ABORT = true; |
| 8041 EXITSTATUS = status; |
| 8042 STACKTOP = initialStackTop; |
| 8043 |
| 8044 // exit the runtime |
| 8045 exitRuntime(); |
| 8046 |
| 8047 // TODO We should handle this differently based on environment. |
| 8048 // In the browser, the best we can do is throw an exception |
| 8049 // to halt execution, but in node we could process.exit and |
| 8050 // I'd imagine SM shell would have something equivalent. |
| 8051 // This would let us set a proper exit status (which |
| 8052 // would be great for checking test exit statuses). |
| 8053 // https://github.com/kripken/emscripten/issues/1371 |
| 8054 |
| 8055 // throw an exception to halt the current execution |
| 8056 throw new ExitStatus(status); |
| 8057 } |
| 8058 Module['exit'] = Module.exit = exit; |
| 8059 |
| 8060 function abort(text) { |
| 8061 if (text) { |
| 8062 Module.print(text); |
| 8063 Module.printErr(text); |
| 8064 } |
| 8065 |
| 8066 ABORT = true; |
| 8067 EXITSTATUS = 1; |
| 8068 |
| 8069 var extra = '\nIf this abort() is unexpected, build with -s ASSERTIONS=1 which
can give more information.'; |
| 8070 |
| 8071 throw 'abort() at ' + stackTrace() + extra; |
| 8072 } |
| 8073 Module['abort'] = Module.abort = abort; |
| 8074 |
| 8075 // {{PRE_RUN_ADDITIONS}} |
| 8076 |
| 8077 if (Module['preInit']) { |
| 8078 if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preIn
it']]; |
| 8079 while (Module['preInit'].length > 0) { |
| 8080 Module['preInit'].pop()(); |
| 8081 } |
| 8082 } |
| 8083 |
| 8084 // shouldRunNow refers to calling main(), not run(). |
| 8085 var shouldRunNow = true; |
| 8086 if (Module['noInitialRun']) { |
| 8087 shouldRunNow = false; |
| 8088 } |
| 8089 |
| 8090 |
| 8091 run([].concat(Module["arguments"])); |
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