| 1 | // Note: Some Emscripten settings will significantly limit the speed of the generated code. |
| 2 | // Note: Some Emscripten settings may limit the speed of the generated code. |
| 3 | // The Module object: Our interface to the outside world. We import |
| 4 | // and export values on it, and do the work to get that through |
| 5 | // closure compiler if necessary. There are various ways Module can be used: |
| 6 | // 1. Not defined. We create it here |
| 7 | // 2. A function parameter, function(Module) { ..generated code.. } |
| 8 | // 3. pre-run appended it, var Module = {}; ..generated code.. |
| 9 | // 4. External script tag defines var Module. |
| 10 | // We need to do an eval in order to handle the closure compiler |
| 11 | // case, where this code here is minified but Module was defined |
| 12 | // elsewhere (e.g. case 4 above). We also need to check if Module |
| 13 | // already exists (e.g. case 3 above). |
| 14 | // Note that if you want to run closure, and also to use Module |
| 15 | // after the generated code, you will need to define var Module = {}; |
| 16 | // before the code. Then that object will be used in the code, and you |
| 17 | // can continue to use Module afterwards as well. |
| 18 | var Module; |
| 19 | if (!Module) Module = eval('(function() { try { return Module || {} } catch(e) { return {} } })()'); |
| 20 | |
| 21 | // Sometimes an existing Module object exists with properties |
| 22 | // meant to overwrite the default module functionality. Here |
| 23 | // we collect those properties and reapply _after_ we configure |
| 24 | // the current environment's defaults to avoid having to be so |
| 25 | // defensive during initialization. |
| 26 | var moduleOverrides = {}; |
| 27 | for (var key in Module) { |
| 28 | if (Module.hasOwnProperty(key)) { |
| 29 | moduleOverrides[key] = Module[key]; |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | // The environment setup code below is customized to use Module. |
| 34 | // *** Environment setup code *** |
| 35 | var ENVIRONMENT_IS_NODE = typeof process === 'object' && typeof require === 'function'; |
| 36 | var ENVIRONMENT_IS_WEB = typeof window === 'object'; |
| 37 | var ENVIRONMENT_IS_WORKER = typeof importScripts === 'function'; |
| 38 | var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER; |
| 39 | |
| 40 | if (ENVIRONMENT_IS_NODE) { |
| 41 | // Expose functionality in the same simple way that the shells work |
| 42 | // Note that we pollute the global namespace here, otherwise we break in node |
| 43 | if (!Module['print']) Module['print'] = function print(x) { |
| 44 | process['stdout'].write(x + '\n'); |
| 45 | }; |
| 46 | if (!Module['printErr']) Module['printErr'] = function printErr(x) { |
| 47 | process['stderr'].write(x + '\n'); |
| 48 | }; |
| 49 | |
| 50 | var nodeFS = require('fs'); |
| 51 | var nodePath = require('path'); |
| 52 | |
| 53 | Module['read'] = function read(filename, binary) { |
| 54 | filename = nodePath['normalize'](filename); |
| 55 | var ret = nodeFS['readFileSync'](filename); |
| 56 | // The path is absolute if the normalized version is the same as the resolved. |
| 57 | if (!ret && filename != nodePath['resolve'](filename)) { |
| 58 | filename = path.join(__dirname, '..', 'src', filename); |
| 59 | ret = nodeFS['readFileSync'](filename); |
| 60 | } |
| 61 | if (ret && !binary) ret = ret.toString(); |
| 62 | return ret; |
| 63 | }; |
| 64 | |
| 65 | Module['readBinary'] = function readBinary(filename) { return Module['read'](filename, true) }; |
| 66 | |
| 67 | Module['load'] = function load(f) { |
| 68 | globalEval(read(f)); |
| 69 | }; |
| 70 | |
| 71 | Module['arguments'] = process['argv'].slice(2); |
| 72 | |
| 73 | module['exports'] = Module; |
| 74 | } |
| 75 | else if (ENVIRONMENT_IS_SHELL) { |
| 76 | if (!Module['print']) Module['print'] = print; |
| 77 | if (typeof printErr != 'undefined') Module['printErr'] = printErr; // not present in v8 or older sm |
| 78 | |
| 79 | if (typeof read != 'undefined') { |
| 80 | Module['read'] = read; |
| 81 | } else { |
| 82 | Module['read'] = function read() { throw 'no read() available (jsc?)' }; |
| 83 | } |
| 84 | |
| 85 | Module['readBinary'] = function readBinary(f) { |
| 86 | return read(f, 'binary'); |
| 87 | }; |
| 88 | |
| 89 | if (typeof scriptArgs != 'undefined') { |
| 90 | Module['arguments'] = scriptArgs; |
| 91 | } else if (typeof arguments != 'undefined') { |
| 92 | Module['arguments'] = arguments; |
| 93 | } |
| 94 | |
| 95 | this['Module'] = Module; |
| 96 | |
| 97 | eval("if (typeof gc === 'function' && gc.toString().indexOf('[native code]') > 0) var gc = undefined"); // wipe out the SpiderMonkey shell 'gc' function, which can confuse closure (uses it as a minified name, and it is then initted to a non-falsey value unexpectedly) |
| 98 | } |
| 99 | else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) { |
| 100 | Module['read'] = function read(url) { |
| 101 | var xhr = new XMLHttpRequest(); |
| 102 | xhr.open('GET', url, false); |
| 103 | xhr.send(null); |
| 104 | return xhr.responseText; |
| 105 | }; |
| 106 | |
| 107 | if (typeof arguments != 'undefined') { |
| 108 | Module['arguments'] = arguments; |
| 109 | } |
| 110 | |
| 111 | if (typeof console !== 'undefined') { |
| 112 | if (!Module['print']) Module['print'] = function print(x) { |
| 113 | console.log(x); |
| 114 | }; |
| 115 | if (!Module['printErr']) Module['printErr'] = function printErr(x) { |
| 116 | console.log(x); |
| 117 | }; |
| 118 | } else { |
| 119 | // Probably a worker, and without console.log. We can do very little here... |
| 120 | var TRY_USE_DUMP = false; |
| 121 | if (!Module['print']) Module['print'] = (TRY_USE_DUMP && (typeof(dump) !== "undefined") ? (function(x) { |
| 122 | dump(x); |
| 123 | }) : (function(x) { |
| 124 | // self.postMessage(x); // enable this if you want stdout to be sent as messages |
| 125 | })); |
| 126 | } |
| 127 | |
| 128 | if (ENVIRONMENT_IS_WEB) { |
| 129 | this['Module'] = Module; |
| 130 | } else { |
| 131 | Module['load'] = importScripts; |
| 132 | } |
| 133 | } |
| 134 | else { |
| 135 | // Unreachable because SHELL is dependant on the others |
| 136 | throw 'Unknown runtime environment. Where are we?'; |
| 137 | } |
| 138 | |
| 139 | function globalEval(x) { |
| 140 | eval.call(null, x); |
| 141 | } |
| 142 | if (!Module['load'] == 'undefined' && Module['read']) { |
| 143 | Module['load'] = function load(f) { |
| 144 | globalEval(Module['read'](f)); |
| 145 | }; |
| 146 | } |
| 147 | if (!Module['print']) { |
| 148 | Module['print'] = function(){}; |
| 149 | } |
| 150 | if (!Module['printErr']) { |
| 151 | Module['printErr'] = Module['print']; |
| 152 | } |
| 153 | if (!Module['arguments']) { |
| 154 | Module['arguments'] = []; |
| 155 | } |
| 156 | // *** Environment setup code *** |
| 157 | |
| 158 | // Closure helpers |
| 159 | Module.print = Module['print']; |
| 160 | Module.printErr = Module['printErr']; |
| 161 | |
| 162 | // Callbacks |
| 163 | Module['preRun'] = []; |
| 164 | Module['postRun'] = []; |
| 165 | |
| 166 | // Merge back in the overrides |
| 167 | for (var key in moduleOverrides) { |
| 168 | if (moduleOverrides.hasOwnProperty(key)) { |
| 169 | Module[key] = moduleOverrides[key]; |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | |
| 174 | |
| 175 | // === Auto-generated preamble library stuff === |
| 176 | |
| 177 | //======================================== |
| 178 | // Runtime code shared with compiler |
| 179 | //======================================== |
| 180 | |
| 181 | var Runtime = { |
| 182 | stackSave: function () { |
| 183 | return STACKTOP; |
| 184 | }, |
| 185 | stackRestore: function (stackTop) { |
| 186 | STACKTOP = stackTop; |
| 187 | }, |
| 188 | forceAlign: function (target, quantum) { |
| 189 | quantum = quantum || 4; |
| 190 | if (quantum == 1) return target; |
| 191 | if (isNumber(target) && isNumber(quantum)) { |
| 192 | return Math.ceil(target/quantum)*quantum; |
| 193 | } else if (isNumber(quantum) && isPowerOfTwo(quantum)) { |
| 194 | return '(((' +target + ')+' + (quantum-1) + ')&' + -quantum + ')'; |
| 195 | } |
| 196 | return 'Math.ceil((' + target + ')/' + quantum + ')*' + quantum; |
| 197 | }, |
| 198 | isNumberType: function (type) { |
| 199 | return type in Runtime.INT_TYPES || type in Runtime.FLOAT_TYPES; |
| 200 | }, |
| 201 | isPointerType: function isPointerType(type) { |
| 202 | return type[type.length-1] == '*'; |
| 203 | }, |
| 204 | isStructType: function isStructType(type) { |
| 205 | if (isPointerType(type)) return false; |
| 206 | if (isArrayType(type)) return true; |
| 207 | if (/<?{ ?[^}]* ?}>?/.test(type)) return true; // { i32, i8 } etc. - anonymous struct types |
| 208 | // See comment in isStructPointerType() |
| 209 | return type[0] == '%'; |
| 210 | }, |
| 211 | INT_TYPES: {"i1":0,"i8":0,"i16":0,"i32":0,"i64":0}, |
| 212 | FLOAT_TYPES: {"float":0,"double":0}, |
| 213 | or64: function (x, y) { |
| 214 | var l = (x | 0) | (y | 0); |
| 215 | var h = (Math.round(x / 4294967296) | Math.round(y / 4294967296)) * 4294967296; |
| 216 | return l + h; |
| 217 | }, |
| 218 | and64: function (x, y) { |
| 219 | var l = (x | 0) & (y | 0); |
| 220 | var h = (Math.round(x / 4294967296) & Math.round(y / 4294967296)) * 4294967296; |
| 221 | return l + h; |
| 222 | }, |
| 223 | xor64: function (x, y) { |
| 224 | var l = (x | 0) ^ (y | 0); |
| 225 | var h = (Math.round(x / 4294967296) ^ Math.round(y / 4294967296)) * 4294967296; |
| 226 | return l + h; |
| 227 | }, |
| 228 | getNativeTypeSize: function (type) { |
| 229 | switch (type) { |
| 230 | case 'i1': case 'i8': return 1; |
| 231 | case 'i16': return 2; |
| 232 | case 'i32': return 4; |
| 233 | case 'i64': return 8; |
| 234 | case 'float': return 4; |
| 235 | case 'double': return 8; |
| 236 | default: { |
| 237 | if (type[type.length-1] === '*') { |
| 238 | return Runtime.QUANTUM_SIZE; // A pointer |
| 239 | } else if (type[0] === 'i') { |
| 240 | var bits = parseInt(type.substr(1)); |
| 241 | assert(bits % 8 === 0); |
| 242 | return bits/8; |
| 243 | } else { |
| 244 | return 0; |
| 245 | } |
| 246 | } |
| 247 | } |
| 248 | }, |
| 249 | getNativeFieldSize: function (type) { |
| 250 | return Math.max(Runtime.getNativeTypeSize(type), Runtime.QUANTUM_SIZE); |
| 251 | }, |
| 252 | dedup: function dedup(items, ident) { |
| 253 | var seen = {}; |
| 254 | if (ident) { |
| 255 | return items.filter(function(item) { |
| 256 | if (seen[item[ident]]) return false; |
| 257 | seen[item[ident]] = true; |
| 258 | return true; |
| 259 | }); |
| 260 | } else { |
| 261 | return items.filter(function(item) { |
| 262 | if (seen[item]) return false; |
| 263 | seen[item] = true; |
| 264 | return true; |
| 265 | }); |
| 266 | } |
| 267 | }, |
| 268 | set: function set() { |
| 269 | var args = typeof arguments[0] === 'object' ? arguments[0] : arguments; |
| 270 | var ret = {}; |
| 271 | for (var i = 0; i < args.length; i++) { |
| 272 | ret[args[i]] = 0; |
| 273 | } |
| 274 | return ret; |
| 275 | }, |
| 276 | STACK_ALIGN: 8, |
| 277 | getAlignSize: function (type, size, vararg) { |
| 278 | // we align i64s and doubles on 64-bit boundaries, unlike x86 |
| 279 | if (vararg) return 8; |
| 280 | if (!vararg && (type == 'i64' || type == 'double')) return 8; |
| 281 | if (!type) return Math.min(size, 8); // align structures internally to 64 bits |
| 282 | return Math.min(size || (type ? Runtime.getNativeFieldSize(type) : 0), Runtime.QUANTUM_SIZE); |
| 283 | }, |
| 284 | calculateStructAlignment: function calculateStructAlignment(type) { |
| 285 | type.flatSize = 0; |
| 286 | type.alignSize = 0; |
| 287 | var diffs = []; |
| 288 | var prev = -1; |
| 289 | var index = 0; |
| 290 | type.flatIndexes = type.fields.map(function(field) { |
| 291 | index++; |
| 292 | var size, alignSize; |
| 293 | if (Runtime.isNumberType(field) || Runtime.isPointerType(field)) { |
| 294 | size = Runtime.getNativeTypeSize(field); // pack char; char; in structs, also char[X]s. |
| 295 | alignSize = Runtime.getAlignSize(field, size); |
| 296 | } else if (Runtime.isStructType(field)) { |
| 297 | if (field[1] === '0') { |
| 298 | // this is [0 x something]. When inside another structure like here, it must be at the end, |
| 299 | // and it adds no size |
| 300 | // XXX this happens in java-nbody for example... assert(index === type.fields.length, 'zero-length in the middle!'); |
| 301 | size = 0; |
| 302 | if (Types.types[field]) { |
| 303 | alignSize = Runtime.getAlignSize(null, Types.types[field].alignSize); |
| 304 | } else { |
| 305 | alignSize = type.alignSize || QUANTUM_SIZE; |
| 306 | } |
| 307 | } else { |
| 308 | size = Types.types[field].flatSize; |
| 309 | alignSize = Runtime.getAlignSize(null, Types.types[field].alignSize); |
| 310 | } |
| 311 | } else if (field[0] == 'b') { |
| 312 | // bN, large number field, like a [N x i8] |
| 313 | size = field.substr(1)|0; |
| 314 | alignSize = 1; |
| 315 | } else if (field[0] === '<') { |
| 316 | // vector type |
| 317 | size = alignSize = Types.types[field].flatSize; // fully aligned |
| 318 | } else if (field[0] === 'i') { |
| 319 | // illegal integer field, that could not be legalized because it is an internal structure field |
| 320 | // it is ok to have such fields, if we just use them as markers of field size and nothing more complex |
| 321 | size = alignSize = parseInt(field.substr(1))/8; |
| 322 | assert(size % 1 === 0, 'cannot handle non-byte-size field ' + field); |
| 323 | } else { |
| 324 | assert(false, 'invalid type for calculateStructAlignment'); |
| 325 | } |
| 326 | if (type.packed) alignSize = 1; |
| 327 | type.alignSize = Math.max(type.alignSize, alignSize); |
| 328 | var curr = Runtime.alignMemory(type.flatSize, alignSize); // if necessary, place this on aligned memory |
| 329 | type.flatSize = curr + size; |
| 330 | if (prev >= 0) { |
| 331 | diffs.push(curr-prev); |
| 332 | } |
| 333 | prev = curr; |
| 334 | return curr; |
| 335 | }); |
| 336 | if (type.name_ && type.name_[0] === '[') { |
| 337 | // arrays have 2 elements, so we get the proper difference. then we scale here. that way we avoid |
| 338 | // allocating a potentially huge array for [999999 x i8] etc. |
| 339 | type.flatSize = parseInt(type.name_.substr(1))*type.flatSize/2; |
| 340 | } |
| 341 | type.flatSize = Runtime.alignMemory(type.flatSize, type.alignSize); |
| 342 | if (diffs.length == 0) { |
| 343 | type.flatFactor = type.flatSize; |
| 344 | } else if (Runtime.dedup(diffs).length == 1) { |
| 345 | type.flatFactor = diffs[0]; |
| 346 | } |
| 347 | type.needsFlattening = (type.flatFactor != 1); |
| 348 | return type.flatIndexes; |
| 349 | }, |
| 350 | generateStructInfo: function (struct, typeName, offset) { |
| 351 | var type, alignment; |
| 352 | if (typeName) { |
| 353 | offset = offset || 0; |
| 354 | type = (typeof Types === 'undefined' ? Runtime.typeInfo : Types.types)[typeName]; |
| 355 | if (!type) return null; |
| 356 | if (type.fields.length != struct.length) { |
| 357 | printErr('Number of named fields must match the type for ' + typeName + ': possibly duplicate struct names. Cannot return structInfo'); |
| 358 | return null; |
| 359 | } |
| 360 | alignment = type.flatIndexes; |
| 361 | } else { |
| 362 | var type = { fields: struct.map(function(item) { return item[0] }) }; |
| 363 | alignment = Runtime.calculateStructAlignment(type); |
| 364 | } |
| 365 | var ret = { |
| 366 | __size__: type.flatSize |
| 367 | }; |
| 368 | if (typeName) { |
| 369 | struct.forEach(function(item, i) { |
| 370 | if (typeof item === 'string') { |
| 371 | ret[item] = alignment[i] + offset; |
| 372 | } else { |
| 373 | // embedded struct |
| 374 | var key; |
| 375 | for (var k in item) key = k; |
| 376 | ret[key] = Runtime.generateStructInfo(item[key], type.fields[i], alignment[i]); |
| 377 | } |
| 378 | }); |
| 379 | } else { |
| 380 | struct.forEach(function(item, i) { |
| 381 | ret[item[1]] = alignment[i]; |
| 382 | }); |
| 383 | } |
| 384 | return ret; |
| 385 | }, |
| 386 | dynCall: function (sig, ptr, args) { |
| 387 | if (args && args.length) { |
| 388 | assert(args.length == sig.length-1); |
| 389 | return FUNCTION_TABLE[ptr].apply(null, args); |
| 390 | } else { |
| 391 | assert(sig.length == 1); |
| 392 | return FUNCTION_TABLE[ptr](); |
| 393 | } |
| 394 | }, |
| 395 | addFunction: function (func) { |
| 396 | var table = FUNCTION_TABLE; |
| 397 | var ret = table.length; |
| 398 | assert(ret % 2 === 0); |
| 399 | table.push(func); |
| 400 | for (var i = 0; i < 2-1; i++) table.push(0); |
| 401 | return ret; |
| 402 | }, |
| 403 | removeFunction: function (index) { |
| 404 | var table = FUNCTION_TABLE; |
| 405 | table[index] = null; |
| 406 | }, |
| 407 | getAsmConst: function (code, numArgs) { |
| 408 | // code is a constant string on the heap, so we can cache these |
| 409 | if (!Runtime.asmConstCache) Runtime.asmConstCache = {}; |
| 410 | var func = Runtime.asmConstCache[code]; |
| 411 | if (func) return func; |
| 412 | var args = []; |
| 413 | for (var i = 0; i < numArgs; i++) { |
| 414 | args.push(String.fromCharCode(36) + i); // $0, $1 etc |
| 415 | } |
| 416 | code = Pointer_stringify(code); |
| 417 | if (code[0] === '"') { |
| 418 | // tolerate EM_ASM("..code..") even though EM_ASM(..code..) is correct |
| 419 | if (code.indexOf('"', 1) === code.length-1) { |
| 420 | code = code.substr(1, code.length-2); |
| 421 | } else { |
| 422 | // something invalid happened, e.g. EM_ASM("..code($0)..", input) |
| 423 | abort('invalid EM_ASM input |' + code + '|. Please use EM_ASM(..code..) (no quotes) or EM_ASM({ ..code($0).. }, input) (to input values)'); |
| 424 | } |
| 425 | } |
| 426 | return Runtime.asmConstCache[code] = eval('(function(' + args.join(',') + '){ ' + code + ' })'); // new Function does not allow upvars in node |
| 427 | }, |
| 428 | warnOnce: function (text) { |
| 429 | if (!Runtime.warnOnce.shown) Runtime.warnOnce.shown = {}; |
| 430 | if (!Runtime.warnOnce.shown[text]) { |
| 431 | Runtime.warnOnce.shown[text] = 1; |
| 432 | Module.printErr(text); |
| 433 | } |
| 434 | }, |
| 435 | funcWrappers: {}, |
| 436 | getFuncWrapper: function (func, sig) { |
| 437 | assert(sig); |
| 438 | if (!Runtime.funcWrappers[func]) { |
| 439 | Runtime.funcWrappers[func] = function dynCall_wrapper() { |
| 440 | return Runtime.dynCall(sig, func, arguments); |
| 441 | }; |
| 442 | } |
| 443 | return Runtime.funcWrappers[func]; |
| 444 | }, |
| 445 | UTF8Processor: function () { |
| 446 | var buffer = []; |
| 447 | var needed = 0; |
| 448 | this.processCChar = function (code) { |
| 449 | code = code & 0xFF; |
| 450 | |
| 451 | if (buffer.length == 0) { |
| 452 | if ((code & 0x80) == 0x00) { // 0xxxxxxx |
| 453 | return String.fromCharCode(code); |
| 454 | } |
| 455 | buffer.push(code); |
| 456 | if ((code & 0xE0) == 0xC0) { // 110xxxxx |
| 457 | needed = 1; |
| 458 | } else if ((code & 0xF0) == 0xE0) { // 1110xxxx |
| 459 | needed = 2; |
| 460 | } else { // 11110xxx |
| 461 | needed = 3; |
| 462 | } |
| 463 | return ''; |
| 464 | } |
| 465 | |
| 466 | if (needed) { |
| 467 | buffer.push(code); |
| 468 | needed--; |
| 469 | if (needed > 0) return ''; |
| 470 | } |
| 471 | |
| 472 | var c1 = buffer[0]; |
| 473 | var c2 = buffer[1]; |
| 474 | var c3 = buffer[2]; |
| 475 | var c4 = buffer[3]; |
| 476 | var ret; |
| 477 | if (buffer.length == 2) { |
| 478 | ret = String.fromCharCode(((c1 & 0x1F) << 6) | (c2 & 0x3F)); |
| 479 | } else if (buffer.length == 3) { |
| 480 | ret = String.fromCharCode(((c1 & 0x0F) << 12) | ((c2 & 0x3F) << 6) | (c3 & 0x3F)); |
| 481 | } else { |
| 482 | // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae |
| 483 | var codePoint = ((c1 & 0x07) << 18) | ((c2 & 0x3F) << 12) | |
| 484 | ((c3 & 0x3F) << 6) | (c4 & 0x3F); |
| 485 | ret = String.fromCharCode( |
| 486 | Math.floor((codePoint - 0x10000) / 0x400) + 0xD800, |
| 487 | (codePoint - 0x10000) % 0x400 + 0xDC00); |
| 488 | } |
| 489 | buffer.length = 0; |
| 490 | return ret; |
| 491 | } |
| 492 | this.processJSString = function processJSString(string) { |
| 493 | string = unescape(encodeURIComponent(string)); |
| 494 | var ret = []; |
| 495 | for (var i = 0; i < string.length; i++) { |
| 496 | ret.push(string.charCodeAt(i)); |
| 497 | } |
| 498 | return ret; |
| 499 | } |
| 500 | }, |
| 501 | stackAlloc: function (size) { var ret = STACKTOP;STACKTOP = (STACKTOP + size)|0;STACKTOP = (((STACKTOP)+7)&-8);(assert((STACKTOP|0) < (STACK_MAX|0))|0); return ret; }, |
| 502 | staticAlloc: function (size) { var ret = STATICTOP;STATICTOP = (STATICTOP + (assert(!staticSealed),size))|0;STATICTOP = (((STATICTOP)+7)&-8); return ret; }, |
| 503 | dynamicAlloc: function (size) { var ret = DYNAMICTOP;DYNAMICTOP = (DYNAMICTOP + (assert(DYNAMICTOP > 0),size))|0;DYNAMICTOP = (((DYNAMICTOP)+7)&-8); if (DYNAMICTOP >= TOTAL_MEMORY) enlargeMemory();; return ret; }, |
| 504 | alignMemory: function (size,quantum) { var ret = size = Math.ceil((size)/(quantum ? quantum : 8))*(quantum ? quantum : 8); return ret; }, |
| 505 | makeBigInt: function (low,high,unsigned) { var ret = (unsigned ? ((low>>>0)+((high>>>0)*4294967296)) : ((low>>>0)+((high|0)*4294967296))); return ret; }, |
| 506 | GLOBAL_BASE: 8, |
| 507 | QUANTUM_SIZE: 4, |
| 508 | __dummy__: 0 |
| 509 | } |
| 510 | |
| 511 | |
| 512 | Module['Runtime'] = Runtime; |
| 513 | |
| 514 | |
| 515 | |
| 516 | |
| 517 | |
| 518 | |
| 519 | |
| 520 | |
| 521 | |
| 522 | //======================================== |
| 523 | // Runtime essentials |
| 524 | //======================================== |
| 525 | |
| 526 | var __THREW__ = 0; // Used in checking for thrown exceptions. |
| 527 | var setjmpId = 1; // Used in setjmp/longjmp |
| 528 | var setjmpLabels = {}; |
| 529 | |
| 530 | var ABORT = false; // whether we are quitting the application. no code should run after this. set in exit() and abort() |
| 531 | var EXITSTATUS = 0; |
| 532 | |
| 533 | var undef = 0; |
| 534 | // tempInt is used for 32-bit signed values or smaller. tempBigInt is used |
| 535 | // for 32-bit unsigned values or more than 32 bits. TODO: audit all uses of tempInt |
| 536 | var tempValue, tempInt, tempBigInt, tempInt2, tempBigInt2, tempPair, tempBigIntI, tempBigIntR, tempBigIntS, tempBigIntP, tempBigIntD, tempDouble, tempFloat; |
| 537 | var tempI64, tempI64b; |
| 538 | var tempRet0, tempRet1, tempRet2, tempRet3, tempRet4, tempRet5, tempRet6, tempRet7, tempRet8, tempRet9; |
| 539 | |
| 540 | function assert(condition, text) { |
| 541 | if (!condition) { |
| 542 | abort('Assertion failed: ' + text); |
| 543 | } |
| 544 | } |
| 545 | |
| 546 | var globalScope = this; |
| 547 | |
| 548 | // C calling interface. A convenient way to call C functions (in C files, or |
| 549 | // defined with extern "C"). |
| 550 | // |
| 551 | // Note: LLVM optimizations can inline and remove functions, after which you will not be |
| 552 | // able to call them. Closure can also do so. To avoid that, add your function to |
| 553 | // the exports using something like |
| 554 | // |
| 555 | // -s EXPORTED_FUNCTIONS='["_main", "_myfunc"]' |
| 556 | // |
| 557 | // @param ident The name of the C function (note that C++ functions will be name-mangled - use extern "C") |
| 558 | // @param returnType The return type of the function, one of the JS types 'number', 'string' or 'array' (use 'number' for any C pointer, and |
| 559 | // 'array' for JavaScript arrays and typed arrays; note that arrays are 8-bit). |
| 560 | // @param argTypes An array of the types of arguments for the function (if there are no arguments, this can be ommitted). Types are as in returnType, |
| 561 | // except that 'array' is not possible (there is no way for us to know the length of the array) |
| 562 | // @param args An array of the arguments to the function, as native JS values (as in returnType) |
| 563 | // Note that string arguments will be stored on the stack (the JS string will become a C string on the stack). |
| 564 | // @return The return value, as a native JS value (as in returnType) |
| 565 | function ccall(ident, returnType, argTypes, args) { |
| 566 | return ccallFunc(getCFunc(ident), returnType, argTypes, args); |
| 567 | } |
| 568 | Module["ccall"] = ccall; |
| 569 | |
| 570 | // Returns the C function with a specified identifier (for C++, you need to do manual name mangling) |
| 571 | function getCFunc(ident) { |
| 572 | try { |
| 573 | var func = Module['_' + ident]; // closure exported function |
| 574 | if (!func) func = eval('_' + ident); // explicit lookup |
| 575 | } catch(e) { |
| 576 | } |
| 577 | assert(func, 'Cannot call unknown function ' + ident + ' (perhaps LLVM optimizations or closure removed it?)'); |
| 578 | return func; |
| 579 | } |
| 580 | |
| 581 | // Internal function that does a C call using a function, not an identifier |
| 582 | function ccallFunc(func, returnType, argTypes, args) { |
| 583 | var stack = 0; |
| 584 | function toC(value, type) { |
| 585 | if (type == 'string') { |
| 586 | if (value === null || value === undefined || value === 0) return 0; // null string |
| 587 | value = intArrayFromString(value); |
| 588 | type = 'array'; |
| 589 | } |
| 590 | if (type == 'array') { |
| 591 | if (!stack) stack = Runtime.stackSave(); |
| 592 | var ret = Runtime.stackAlloc(value.length); |
| 593 | writeArrayToMemory(value, ret); |
| 594 | return ret; |
| 595 | } |
| 596 | return value; |
| 597 | } |
| 598 | function fromC(value, type) { |
| 599 | if (type == 'string') { |
| 600 | return Pointer_stringify(value); |
| 601 | } |
| 602 | assert(type != 'array'); |
| 603 | return value; |
| 604 | } |
| 605 | var i = 0; |
| 606 | var cArgs = args ? args.map(function(arg) { |
| 607 | return toC(arg, argTypes[i++]); |
| 608 | }) : []; |
| 609 | var ret = fromC(func.apply(null, cArgs), returnType); |
| 610 | if (stack) Runtime.stackRestore(stack); |
| 611 | return ret; |
| 612 | } |
| 613 | |
| 614 | // Returns a native JS wrapper for a C function. This is similar to ccall, but |
| 615 | // returns a function you can call repeatedly in a normal way. For example: |
| 616 | // |
| 617 | // var my_function = cwrap('my_c_function', 'number', ['number', 'number']); |
| 618 | // alert(my_function(5, 22)); |
| 619 | // alert(my_function(99, 12)); |
| 620 | // |
| 621 | function cwrap(ident, returnType, argTypes) { |
| 622 | var func = getCFunc(ident); |
| 623 | return function() { |
| 624 | return ccallFunc(func, returnType, argTypes, Array.prototype.slice.call(arguments)); |
| 625 | } |
| 626 | } |
| 627 | Module["cwrap"] = cwrap; |
| 628 | |
| 629 | // Sets a value in memory in a dynamic way at run-time. Uses the |
| 630 | // type data. This is the same as makeSetValue, except that |
| 631 | // makeSetValue is done at compile-time and generates the needed |
| 632 | // code then, whereas this function picks the right code at |
| 633 | // run-time. |
| 634 | // Note that setValue and getValue only do *aligned* writes and reads! |
| 635 | // Note that ccall uses JS types as for defining types, while setValue and |
| 636 | // getValue need LLVM types ('i8', 'i32') - this is a lower-level operation |
| 637 | function setValue(ptr, value, type, noSafe) { |
| 638 | type = type || 'i8'; |
| 639 | if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit |
| 640 | switch(type) { |
| 641 | case 'i1': HEAP8[(ptr)]=value; break; |
| 642 | case 'i8': HEAP8[(ptr)]=value; break; |
| 643 | case 'i16': HEAP16[((ptr)>>1)]=value; break; |
| 644 | case 'i32': HEAP32[((ptr)>>2)]=value; break; |
| 645 | case 'i64': (tempI64 = [value>>>0,(tempDouble=value,Math_abs(tempDouble) >= 1 ? (tempDouble > 0 ? Math_min(Math_floor((tempDouble)/4294967296), 4294967295)>>>0 : (~~(Math_ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296)))>>>0) : 0)],HEAP32[((ptr)>>2)]=tempI64[0],HEAP32[(((ptr)+(4))>>2)]=tempI64[1]); break; |
| 646 | case 'float': HEAPF32[((ptr)>>2)]=value; break; |
| 647 | case 'double': HEAPF64[((ptr)>>3)]=value; break; |
| 648 | default: abort('invalid type for setValue: ' + type); |
| 649 | } |
| 650 | } |
| 651 | Module['setValue'] = setValue; |
| 652 | |
| 653 | // Parallel to setValue. |
| 654 | function getValue(ptr, type, noSafe) { |
| 655 | type = type || 'i8'; |
| 656 | if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit |
| 657 | switch(type) { |
| 658 | case 'i1': return HEAP8[(ptr)]; |
| 659 | case 'i8': return HEAP8[(ptr)]; |
| 660 | case 'i16': return HEAP16[((ptr)>>1)]; |
| 661 | case 'i32': return HEAP32[((ptr)>>2)]; |
| 662 | case 'i64': return HEAP32[((ptr)>>2)]; |
| 663 | case 'float': return HEAPF32[((ptr)>>2)]; |
| 664 | case 'double': return HEAPF64[((ptr)>>3)]; |
| 665 | default: abort('invalid type for setValue: ' + type); |
| 666 | } |
| 667 | return null; |
| 668 | } |
| 669 | Module['getValue'] = getValue; |
| 670 | |
| 671 | var ALLOC_NORMAL = 0; // Tries to use _malloc() |
| 672 | var ALLOC_STACK = 1; // Lives for the duration of the current function call |
| 673 | var ALLOC_STATIC = 2; // Cannot be freed |
| 674 | var ALLOC_DYNAMIC = 3; // Cannot be freed except through sbrk |
| 675 | var ALLOC_NONE = 4; // Do not allocate |
| 676 | Module['ALLOC_NORMAL'] = ALLOC_NORMAL; |
| 677 | Module['ALLOC_STACK'] = ALLOC_STACK; |
| 678 | Module['ALLOC_STATIC'] = ALLOC_STATIC; |
| 679 | Module['ALLOC_DYNAMIC'] = ALLOC_DYNAMIC; |
| 680 | Module['ALLOC_NONE'] = ALLOC_NONE; |
| 681 | |
| 682 | // allocate(): This is for internal use. You can use it yourself as well, but the interface |
| 683 | // is a little tricky (see docs right below). The reason is that it is optimized |
| 684 | // for multiple syntaxes to save space in generated code. So you should |
| 685 | // normally not use allocate(), and instead allocate memory using _malloc(), |
| 686 | // initialize it with setValue(), and so forth. |
| 687 | // @slab: An array of data, or a number. If a number, then the size of the block to allocate, |
| 688 | // in *bytes* (note that this is sometimes confusing: the next parameter does not |
| 689 | // affect this!) |
| 690 | // @types: Either an array of types, one for each byte (or 0 if no type at that position), |
| 691 | // or a single type which is used for the entire block. This only matters if there |
| 692 | // is initial data - if @slab is a number, then this does not matter at all and is |
| 693 | // ignored. |
| 694 | // @allocator: How to allocate memory, see ALLOC_* |
| 695 | function allocate(slab, types, allocator, ptr) { |
| 696 | var zeroinit, size; |
| 697 | if (typeof slab === 'number') { |
| 698 | zeroinit = true; |
| 699 | size = slab; |
| 700 | } else { |
| 701 | zeroinit = false; |
| 702 | size = slab.length; |
| 703 | } |
| 704 | |
| 705 | var singleType = typeof types === 'string' ? types : null; |
| 706 | |
| 707 | var ret; |
| 708 | if (allocator == ALLOC_NONE) { |
| 709 | ret = ptr; |
| 710 | } else { |
| 711 | ret = [_malloc, Runtime.stackAlloc, Runtime.staticAlloc, Runtime.dynamicAlloc][allocator === undefined ? ALLOC_STATIC : allocator](Math.max(size, singleType ? 1 : types.length)); |
| 712 | } |
| 713 | |
| 714 | if (zeroinit) { |
| 715 | var ptr = ret, stop; |
| 716 | assert((ret & 3) == 0); |
| 717 | stop = ret + (size & ~3); |
| 718 | for (; ptr < stop; ptr += 4) { |
| 719 | HEAP32[((ptr)>>2)]=0; |
| 720 | } |
| 721 | stop = ret + size; |
| 722 | while (ptr < stop) { |
| 723 | HEAP8[((ptr++)|0)]=0; |
| 724 | } |
| 725 | return ret; |
| 726 | } |
| 727 | |
| 728 | if (singleType === 'i8') { |
| 729 | if (slab.subarray || slab.slice) { |
| 730 | HEAPU8.set(slab, ret); |
| 731 | } else { |
| 732 | HEAPU8.set(new Uint8Array(slab), ret); |
| 733 | } |
| 734 | return ret; |
| 735 | } |
| 736 | |
| 737 | var i = 0, type, typeSize, previousType; |
| 738 | while (i < size) { |
| 739 | var curr = slab[i]; |
| 740 | |
| 741 | if (typeof curr === 'function') { |
| 742 | curr = Runtime.getFunctionIndex(curr); |
| 743 | } |
| 744 | |
| 745 | type = singleType || types[i]; |
| 746 | if (type === 0) { |
| 747 | i++; |
| 748 | continue; |
| 749 | } |
| 750 | assert(type, 'Must know what type to store in allocate!'); |
| 751 | |
| 752 | if (type == 'i64') type = 'i32'; // special case: we have one i32 here, and one i32 later |
| 753 | |
| 754 | setValue(ret+i, curr, type); |
| 755 | |
| 756 | // no need to look up size unless type changes, so cache it |
| 757 | if (previousType !== type) { |
| 758 | typeSize = Runtime.getNativeTypeSize(type); |
| 759 | previousType = type; |
| 760 | } |
| 761 | i += typeSize; |
| 762 | } |
| 763 | |
| 764 | return ret; |
| 765 | } |
| 766 | Module['allocate'] = allocate; |
| 767 | |
| 768 | function Pointer_stringify(ptr, /* optional */ length) { |
| 769 | // TODO: use TextDecoder |
| 770 | // Find the length, and check for UTF while doing so |
| 771 | var hasUtf = false; |
| 772 | var t; |
| 773 | var i = 0; |
| 774 | while (1) { |
| 775 | assert(ptr + i < TOTAL_MEMORY); |
| 776 | t = HEAPU8[(((ptr)+(i))|0)]; |
| 777 | if (t >= 128) hasUtf = true; |
| 778 | else if (t == 0 && !length) break; |
| 779 | i++; |
| 780 | if (length && i == length) break; |
| 781 | } |
| 782 | if (!length) length = i; |
| 783 | |
| 784 | var ret = ''; |
| 785 | |
| 786 | if (!hasUtf) { |
| 787 | var MAX_CHUNK = 1024; // split up into chunks, because .apply on a huge string can overflow the stack |
| 788 | var curr; |
| 789 | while (length > 0) { |
| 790 | curr = String.fromCharCode.apply(String, HEAPU8.subarray(ptr, ptr + Math.min(length, MAX_CHUNK))); |
| 791 | ret = ret ? ret + curr : curr; |
| 792 | ptr += MAX_CHUNK; |
| 793 | length -= MAX_CHUNK; |
| 794 | } |
| 795 | return ret; |
| 796 | } |
| 797 | |
| 798 | var utf8 = new Runtime.UTF8Processor(); |
| 799 | for (i = 0; i < length; i++) { |
| 800 | assert(ptr + i < TOTAL_MEMORY); |
| 801 | t = HEAPU8[(((ptr)+(i))|0)]; |
| 802 | ret += utf8.processCChar(t); |
| 803 | } |
| 804 | return ret; |
| 805 | } |
| 806 | Module['Pointer_stringify'] = Pointer_stringify; |
| 807 | |
| 808 | // Given a pointer 'ptr' to a null-terminated UTF16LE-encoded string in the emscripten HEAP, returns |
| 809 | // a copy of that string as a Javascript String object. |
| 810 | function UTF16ToString(ptr) { |
| 811 | var i = 0; |
| 812 | |
| 813 | var str = ''; |
| 814 | while (1) { |
| 815 | var codeUnit = HEAP16[(((ptr)+(i*2))>>1)]; |
| 816 | if (codeUnit == 0) |
| 817 | return str; |
| 818 | ++i; |
| 819 | // fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through. |
| 820 | str += String.fromCharCode(codeUnit); |
| 821 | } |
| 822 | } |
| 823 | Module['UTF16ToString'] = UTF16ToString; |
| 824 | |
| 825 | // Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', |
| 826 | // null-terminated and encoded in UTF16LE form. The copy will require at most (str.length*2+1)*2 bytes of space in the HEAP. |
| 827 | function stringToUTF16(str, outPtr) { |
| 828 | for(var i = 0; i < str.length; ++i) { |
| 829 | // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP. |
| 830 | var codeUnit = str.charCodeAt(i); // possibly a lead surrogate |
| 831 | HEAP16[(((outPtr)+(i*2))>>1)]=codeUnit; |
| 832 | } |
| 833 | // Null-terminate the pointer to the HEAP. |
| 834 | HEAP16[(((outPtr)+(str.length*2))>>1)]=0; |
| 835 | } |
| 836 | Module['stringToUTF16'] = stringToUTF16; |
| 837 | |
| 838 | // Given a pointer 'ptr' to a null-terminated UTF32LE-encoded string in the emscripten HEAP, returns |
| 839 | // a copy of that string as a Javascript String object. |
| 840 | function UTF32ToString(ptr) { |
| 841 | var i = 0; |
| 842 | |
| 843 | var str = ''; |
| 844 | while (1) { |
| 845 | var utf32 = HEAP32[(((ptr)+(i*4))>>2)]; |
| 846 | if (utf32 == 0) |
| 847 | return str; |
| 848 | ++i; |
| 849 | // Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing. |
| 850 | if (utf32 >= 0x10000) { |
| 851 | var ch = utf32 - 0x10000; |
| 852 | str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); |
| 853 | } else { |
| 854 | str += String.fromCharCode(utf32); |
| 855 | } |
| 856 | } |
| 857 | } |
| 858 | Module['UTF32ToString'] = UTF32ToString; |
| 859 | |
| 860 | // Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', |
| 861 | // null-terminated and encoded in UTF32LE form. The copy will require at most (str.length+1)*4 bytes of space in the HEAP, |
| 862 | // but can use less, since str.length does not return the number of characters in the string, but the number of UTF-16 code units in the string. |
| 863 | function stringToUTF32(str, outPtr) { |
| 864 | var iChar = 0; |
| 865 | for(var iCodeUnit = 0; iCodeUnit < str.length; ++iCodeUnit) { |
| 866 | // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap. |
| 867 | var codeUnit = str.charCodeAt(iCodeUnit); // possibly a lead surrogate |
| 868 | if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) { |
| 869 | var trailSurrogate = str.charCodeAt(++iCodeUnit); |
| 870 | codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF); |
| 871 | } |
| 872 | HEAP32[(((outPtr)+(iChar*4))>>2)]=codeUnit; |
| 873 | ++iChar; |
| 874 | } |
| 875 | // Null-terminate the pointer to the HEAP. |
| 876 | HEAP32[(((outPtr)+(iChar*4))>>2)]=0; |
| 877 | } |
| 878 | Module['stringToUTF32'] = stringToUTF32; |
| 879 | |
| 880 | function demangle(func) { |
| 881 | try { |
| 882 | // Special-case the entry point, since its name differs from other name mangling. |
| 883 | if (func == 'Object._main' || func == '_main') { |
| 884 | return 'main()'; |
| 885 | } |
| 886 | if (typeof func === 'number') func = Pointer_stringify(func); |
| 887 | if (func[0] !== '_') return func; |
| 888 | if (func[1] !== '_') return func; // C function |
| 889 | if (func[2] !== 'Z') return func; |
| 890 | switch (func[3]) { |
| 891 | case 'n': return 'operator new()'; |
| 892 | case 'd': return 'operator delete()'; |
| 893 | } |
| 894 | var i = 3; |
| 895 | // params, etc. |
| 896 | var basicTypes = { |
| 897 | 'v': 'void', |
| 898 | 'b': 'bool', |
| 899 | 'c': 'char', |
| 900 | 's': 'short', |
| 901 | 'i': 'int', |
| 902 | 'l': 'long', |
| 903 | 'f': 'float', |
| 904 | 'd': 'double', |
| 905 | 'w': 'wchar_t', |
| 906 | 'a': 'signed char', |
| 907 | 'h': 'unsigned char', |
| 908 | 't': 'unsigned short', |
| 909 | 'j': 'unsigned int', |
| 910 | 'm': 'unsigned long', |
| 911 | 'x': 'long long', |
| 912 | 'y': 'unsigned long long', |
| 913 | 'z': '...' |
| 914 | }; |
| 915 | function dump(x) { |
| 916 | //return; |
| 917 | if (x) Module.print(x); |
| 918 | Module.print(func); |
| 919 | var pre = ''; |
| 920 | for (var a = 0; a < i; a++) pre += ' '; |
| 921 | Module.print (pre + '^'); |
| 922 | } |
| 923 | var subs = []; |
| 924 | function parseNested() { |
| 925 | i++; |
| 926 | if (func[i] === 'K') i++; // ignore const |
| 927 | var parts = []; |
| 928 | while (func[i] !== 'E') { |
| 929 | if (func[i] === 'S') { // substitution |
| 930 | i++; |
| 931 | var next = func.indexOf('_', i); |
| 932 | var num = func.substring(i, next) || 0; |
| 933 | parts.push(subs[num] || '?'); |
| 934 | i = next+1; |
| 935 | continue; |
| 936 | } |
| 937 | if (func[i] === 'C') { // constructor |
| 938 | parts.push(parts[parts.length-1]); |
| 939 | i += 2; |
| 940 | continue; |
| 941 | } |
| 942 | var size = parseInt(func.substr(i)); |
| 943 | var pre = size.toString().length; |
| 944 | if (!size || !pre) { i--; break; } // counter i++ below us |
| 945 | var curr = func.substr(i + pre, size); |
| 946 | parts.push(curr); |
| 947 | subs.push(curr); |
| 948 | i += pre + size; |
| 949 | } |
| 950 | i++; // skip E |
| 951 | return parts; |
| 952 | } |
| 953 | var first = true; |
| 954 | function parse(rawList, limit, allowVoid) { // main parser |
| 955 | limit = limit || Infinity; |
| 956 | var ret = '', list = []; |
| 957 | function flushList() { |
| 958 | return '(' + list.join(', ') + ')'; |
| 959 | } |
| 960 | var name; |
| 961 | if (func[i] === 'N') { |
| 962 | // namespaced N-E |
| 963 | name = parseNested().join('::'); |
| 964 | limit--; |
| 965 | if (limit === 0) return rawList ? [name] : name; |
| 966 | } else { |
| 967 | // not namespaced |
| 968 | if (func[i] === 'K' || (first && func[i] === 'L')) i++; // ignore const and first 'L' |
| 969 | var size = parseInt(func.substr(i)); |
| 970 | if (size) { |
| 971 | var pre = size.toString().length; |
| 972 | name = func.substr(i + pre, size); |
| 973 | i += pre + size; |
| 974 | } |
| 975 | } |
| 976 | first = false; |
| 977 | if (func[i] === 'I') { |
| 978 | i++; |
| 979 | var iList = parse(true); |
| 980 | var iRet = parse(true, 1, true); |
| 981 | ret += iRet[0] + ' ' + name + '<' + iList.join(', ') + '>'; |
| 982 | } else { |
| 983 | ret = name; |
| 984 | } |
| 985 | paramLoop: while (i < func.length && limit-- > 0) { |
| 986 | //dump('paramLoop'); |
| 987 | var c = func[i++]; |
| 988 | if (c in basicTypes) { |
| 989 | list.push(basicTypes[c]); |
| 990 | } else { |
| 991 | switch (c) { |
| 992 | case 'P': list.push(parse(true, 1, true)[0] + '*'); break; // pointer |
| 993 | case 'R': list.push(parse(true, 1, true)[0] + '&'); break; // reference |
| 994 | case 'L': { // literal |
| 995 | i++; // skip basic type |
| 996 | var end = func.indexOf('E', i); |
| 997 | var size = end - i; |
| 998 | list.push(func.substr(i, size)); |
| 999 | i += size + 2; // size + 'EE' |
| 1000 | break; |
| 1001 | } |
| 1002 | case 'A': { // array |
| 1003 | var size = parseInt(func.substr(i)); |
| 1004 | i += size.toString().length; |
| 1005 | if (func[i] !== '_') throw '?'; |
| 1006 | i++; // skip _ |
| 1007 | list.push(parse(true, 1, true)[0] + ' [' + size + ']'); |
| 1008 | break; |
| 1009 | } |
| 1010 | case 'E': break paramLoop; |
| 1011 | default: ret += '?' + c; break paramLoop; |
| 1012 | } |
| 1013 | } |
| 1014 | } |
| 1015 | if (!allowVoid && list.length === 1 && list[0] === 'void') list = []; // avoid (void) |
| 1016 | return rawList ? list : ret + flushList(); |
| 1017 | } |
| 1018 | return parse(); |
| 1019 | } catch(e) { |
| 1020 | return func; |
| 1021 | } |
| 1022 | } |
| 1023 | |
| 1024 | function demangleAll(text) { |
| 1025 | return text.replace(/__Z[\w\d_]+/g, function(x) { var y = demangle(x); return x === y ? x : (x + ' [' + y + ']') }); |
| 1026 | } |
| 1027 | |
| 1028 | function stackTrace() { |
| 1029 | var stack = new Error().stack; |
| 1030 | return stack ? demangleAll(stack) : '(no stack trace available)'; // Stack trace is not available at least on IE10 and Safari 6. |
| 1031 | } |
| 1032 | |
| 1033 | // Memory management |
| 1034 | |
| 1035 | var PAGE_SIZE = 4096; |
| 1036 | function alignMemoryPage(x) { |
| 1037 | return (x+4095)&-4096; |
| 1038 | } |
| 1039 | |
| 1040 | var HEAP; |
| 1041 | var HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64; |
| 1042 | |
| 1043 | var STATIC_BASE = 0, STATICTOP = 0, staticSealed = false; // static area |
| 1044 | var STACK_BASE = 0, STACKTOP = 0, STACK_MAX = 0; // stack area |
| 1045 | var DYNAMIC_BASE = 0, DYNAMICTOP = 0; // dynamic area handled by sbrk |
| 1046 | |
| 1047 | function enlargeMemory() { |
| 1048 | 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 ALLOW_MEMORY_GROWTH which adjusts the size at runtime but prevents some optimizations, or (3) set Module.TOTAL_MEMORY before the program runs.'); |
| 1049 | } |
| 1050 | |
| 1051 | var TOTAL_STACK = Module['TOTAL_STACK'] || 5242880; |
| 1052 | var TOTAL_MEMORY = Module['TOTAL_MEMORY'] || 16777216; |
| 1053 | var FAST_MEMORY = Module['FAST_MEMORY'] || 2097152; |
| 1054 | |
| 1055 | |
| 1056 | // Initialize the runtime's memory |
| 1057 | // check for full engine support (use string 'subarray' to avoid closure compiler confusion) |
| 1058 | assert(typeof Int32Array !== 'undefined' && typeof Float64Array !== 'undefined' && !!(new Int32Array(1)['subarray']) && !!(new Int32Array(1)['set']), |
| 1059 | 'Cannot fallback to non-typed array case: Code is too specialized'); |
| 1060 | |
| 1061 | var buffer = new ArrayBuffer(TOTAL_MEMORY); |
| 1062 | HEAP8 = new Int8Array(buffer); |
| 1063 | HEAP16 = new Int16Array(buffer); |
| 1064 | HEAP32 = new Int32Array(buffer); |
| 1065 | HEAPU8 = new Uint8Array(buffer); |
| 1066 | HEAPU16 = new Uint16Array(buffer); |
| 1067 | HEAPU32 = new Uint32Array(buffer); |
| 1068 | HEAPF32 = new Float32Array(buffer); |
| 1069 | HEAPF64 = new Float64Array(buffer); |
| 1070 | |
| 1071 | // Endianness check (note: assumes compiler arch was little-endian) |
| 1072 | HEAP32[0] = 255; |
| 1073 | assert(HEAPU8[0] === 255 && HEAPU8[3] === 0, 'Typed arrays 2 must be run on a little-endian system'); |
| 1074 | |
| 1075 | Module['HEAP'] = HEAP; |
| 1076 | Module['HEAP8'] = HEAP8; |
| 1077 | Module['HEAP16'] = HEAP16; |
| 1078 | Module['HEAP32'] = HEAP32; |
| 1079 | Module['HEAPU8'] = HEAPU8; |
| 1080 | Module['HEAPU16'] = HEAPU16; |
| 1081 | Module['HEAPU32'] = HEAPU32; |
| 1082 | Module['HEAPF32'] = HEAPF32; |
| 1083 | Module['HEAPF64'] = HEAPF64; |
| 1084 | |
| 1085 | function callRuntimeCallbacks(callbacks) { |
| 1086 | while(callbacks.length > 0) { |
| 1087 | var callback = callbacks.shift(); |
| 1088 | if (typeof callback == 'function') { |
| 1089 | callback(); |
| 1090 | continue; |
| 1091 | } |
| 1092 | var func = callback.func; |
| 1093 | if (typeof func === 'number') { |
| 1094 | if (callback.arg === undefined) { |
| 1095 | Runtime.dynCall('v', func); |
| 1096 | } else { |
| 1097 | Runtime.dynCall('vi', func, [callback.arg]); |
| 1098 | } |
| 1099 | } else { |
| 1100 | func(callback.arg === undefined ? null : callback.arg); |
| 1101 | } |
| 1102 | } |
| 1103 | } |
| 1104 | |
| 1105 | var __ATPRERUN__ = []; // functions called before the runtime is initialized |
| 1106 | var __ATINIT__ = []; // functions called during startup |
| 1107 | var __ATMAIN__ = []; // functions called when main() is to be run |
| 1108 | var __ATEXIT__ = []; // functions called during shutdown |
| 1109 | var __ATPOSTRUN__ = []; // functions called after the runtime has exited |
| 1110 | |
| 1111 | var runtimeInitialized = false; |
| 1112 | |
| 1113 | function preRun() { |
| 1114 | // compatibility - merge in anything from Module['preRun'] at this time |
| 1115 | if (Module['preRun']) { |
| 1116 | if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']]; |
| 1117 | while (Module['preRun'].length) { |
| 1118 | addOnPreRun(Module['preRun'].shift()); |
| 1119 | } |
| 1120 | } |
| 1121 | callRuntimeCallbacks(__ATPRERUN__); |
| 1122 | } |
| 1123 | |
| 1124 | function ensureInitRuntime() { |
| 1125 | if (runtimeInitialized) return; |
| 1126 | runtimeInitialized = true; |
| 1127 | callRuntimeCallbacks(__ATINIT__); |
| 1128 | } |
| 1129 | |
| 1130 | function preMain() { |
| 1131 | callRuntimeCallbacks(__ATMAIN__); |
| 1132 | } |
| 1133 | |
| 1134 | function exitRuntime() { |
| 1135 | callRuntimeCallbacks(__ATEXIT__); |
| 1136 | } |
| 1137 | |
| 1138 | function postRun() { |
| 1139 | // compatibility - merge in anything from Module['postRun'] at this time |
| 1140 | if (Module['postRun']) { |
| 1141 | if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']]; |
| 1142 | while (Module['postRun'].length) { |
| 1143 | addOnPostRun(Module['postRun'].shift()); |
| 1144 | } |
| 1145 | } |
| 1146 | callRuntimeCallbacks(__ATPOSTRUN__); |
| 1147 | } |
| 1148 | |
| 1149 | function addOnPreRun(cb) { |
| 1150 | __ATPRERUN__.unshift(cb); |
| 1151 | } |
| 1152 | Module['addOnPreRun'] = Module.addOnPreRun = addOnPreRun; |
| 1153 | |
| 1154 | function addOnInit(cb) { |
| 1155 | __ATINIT__.unshift(cb); |
| 1156 | } |
| 1157 | Module['addOnInit'] = Module.addOnInit = addOnInit; |
| 1158 | |
| 1159 | function addOnPreMain(cb) { |
| 1160 | __ATMAIN__.unshift(cb); |
| 1161 | } |
| 1162 | Module['addOnPreMain'] = Module.addOnPreMain = addOnPreMain; |
| 1163 | |
| 1164 | function addOnExit(cb) { |
| 1165 | __ATEXIT__.unshift(cb); |
| 1166 | } |
| 1167 | Module['addOnExit'] = Module.addOnExit = addOnExit; |
| 1168 | |
| 1169 | function addOnPostRun(cb) { |
| 1170 | __ATPOSTRUN__.unshift(cb); |
| 1171 | } |
| 1172 | Module['addOnPostRun'] = Module.addOnPostRun = addOnPostRun; |
| 1173 | |
| 1174 | // Tools |
| 1175 | |
| 1176 | // This processes a JS string into a C-line array of numbers, 0-terminated. |
| 1177 | // For LLVM-originating strings, see parser.js:parseLLVMString function |
| 1178 | function intArrayFromString(stringy, dontAddNull, length /* optional */) { |
| 1179 | var ret = (new Runtime.UTF8Processor()).processJSString(stringy); |
| 1180 | if (length) { |
| 1181 | ret.length = length; |
| 1182 | } |
| 1183 | if (!dontAddNull) { |
| 1184 | ret.push(0); |
| 1185 | } |
| 1186 | return ret; |
| 1187 | } |
| 1188 | Module['intArrayFromString'] = intArrayFromString; |
| 1189 | |
| 1190 | function intArrayToString(array) { |
| 1191 | var ret = []; |
| 1192 | for (var i = 0; i < array.length; i++) { |
| 1193 | var chr = array[i]; |
| 1194 | if (chr > 0xFF) { |
| 1195 | assert(false, 'Character code ' + chr + ' (' + String.fromCharCode(chr) + ') at offset ' + i + ' not in 0x00-0xFF.'); |
| 1196 | chr &= 0xFF; |
| 1197 | } |
| 1198 | ret.push(String.fromCharCode(chr)); |
| 1199 | } |
| 1200 | return ret.join(''); |
| 1201 | } |
| 1202 | Module['intArrayToString'] = intArrayToString; |
| 1203 | |
| 1204 | // Write a Javascript array to somewhere in the heap |
| 1205 | function writeStringToMemory(string, buffer, dontAddNull) { |
| 1206 | var array = intArrayFromString(string, dontAddNull); |
| 1207 | var i = 0; |
| 1208 | while (i < array.length) { |
| 1209 | var chr = array[i]; |
| 1210 | HEAP8[(((buffer)+(i))|0)]=chr; |
| 1211 | i = i + 1; |
| 1212 | } |
| 1213 | } |
| 1214 | Module['writeStringToMemory'] = writeStringToMemory; |
| 1215 | |
| 1216 | function writeArrayToMemory(array, buffer) { |
| 1217 | for (var i = 0; i < array.length; i++) { |
| 1218 | HEAP8[(((buffer)+(i))|0)]=array[i]; |
| 1219 | } |
| 1220 | } |
| 1221 | Module['writeArrayToMemory'] = writeArrayToMemory; |
| 1222 | |
| 1223 | function writeAsciiToMemory(str, buffer, dontAddNull) { |
| 1224 | for (var i = 0; i < str.length; i++) { |
| 1225 | assert(str.charCodeAt(i) === str.charCodeAt(i)&0xff); |
| 1226 | HEAP8[(((buffer)+(i))|0)]=str.charCodeAt(i); |
| 1227 | } |
| 1228 | if (!dontAddNull) HEAP8[(((buffer)+(str.length))|0)]=0; |
| 1229 | } |
| 1230 | Module['writeAsciiToMemory'] = writeAsciiToMemory; |
| 1231 | |
| 1232 | function unSign(value, bits, ignore, sig) { |
| 1233 | if (value >= 0) { |
| 1234 | return value; |
| 1235 | } |
| 1236 | return bits <= 32 ? 2*Math.abs(1 << (bits-1)) + value // Need some trickery, since if bits == 32, we are right at the limit of the bits JS uses in bitshifts |
| 1237 | : Math.pow(2, bits) + value; |
| 1238 | } |
| 1239 | function reSign(value, bits, ignore, sig) { |
| 1240 | if (value <= 0) { |
| 1241 | return value; |
| 1242 | } |
| 1243 | var half = bits <= 32 ? Math.abs(1 << (bits-1)) // abs is needed if bits == 32 |
| 1244 | : Math.pow(2, bits-1); |
| 1245 | if (value >= half && (bits <= 32 || value > half)) { // for huge values, we can hit the precision limit and always get true here. so don't do that |
| 1246 | // but, in general there is no perfect solution here. With 64-bit ints, we get rounding and errors |
| 1247 | // TODO: In i64 mode 1, resign the two parts separately and safely |
| 1248 | value = -2*half + value; // Cannot bitshift half, as it may be at the limit of the bits JS uses in bitshifts |
| 1249 | } |
| 1250 | return value; |
| 1251 | } |
| 1252 | |
| 1253 | // check for imul support, and also for correctness ( https://bugs.webkit.org/show_bug.cgi?id=126345 ) |
| 1254 | if (!Math['imul'] || Math['imul'](0xffffffff, 5) !== -5) Math['imul'] = function imul(a, b) { |
| 1255 | var ah = a >>> 16; |
| 1256 | var al = a & 0xffff; |
| 1257 | var bh = b >>> 16; |
| 1258 | var bl = b & 0xffff; |
| 1259 | return (al*bl + ((ah*bl + al*bh) << 16))|0; |
| 1260 | }; |
| 1261 | Math.imul = Math['imul']; |
| 1262 | |
| 1263 | |
| 1264 | var Math_abs = Math.abs; |
| 1265 | var Math_cos = Math.cos; |
| 1266 | var Math_sin = Math.sin; |
| 1267 | var Math_tan = Math.tan; |
| 1268 | var Math_acos = Math.acos; |
| 1269 | var Math_asin = Math.asin; |
| 1270 | var Math_atan = Math.atan; |
| 1271 | var Math_atan2 = Math.atan2; |
| 1272 | var Math_exp = Math.exp; |
| 1273 | var Math_log = Math.log; |
| 1274 | var Math_sqrt = Math.sqrt; |
| 1275 | var Math_ceil = Math.ceil; |
| 1276 | var Math_floor = Math.floor; |
| 1277 | var Math_pow = Math.pow; |
| 1278 | var Math_imul = Math.imul; |
| 1279 | var Math_fround = Math.fround; |
| 1280 | var Math_min = Math.min; |
| 1281 | |
| 1282 | // A counter of dependencies for calling run(). If we need to |
| 1283 | // do asynchronous work before running, increment this and |
| 1284 | // decrement it. Incrementing must happen in a place like |
| 1285 | // PRE_RUN_ADDITIONS (used by emcc to add file preloading). |
| 1286 | // Note that you can add dependencies in preRun, even though |
| 1287 | // it happens right before run - run will be postponed until |
| 1288 | // the dependencies are met. |
| 1289 | var runDependencies = 0; |
| 1290 | var runDependencyWatcher = null; |
| 1291 | var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled |
| 1292 | var runDependencyTracking = {}; |
| 1293 | |
| 1294 | function addRunDependency(id) { |
| 1295 | runDependencies++; |
| 1296 | if (Module['monitorRunDependencies']) { |
| 1297 | Module['monitorRunDependencies'](runDependencies); |
| 1298 | } |
| 1299 | if (id) { |
| 1300 | assert(!runDependencyTracking[id]); |
| 1301 | runDependencyTracking[id] = 1; |
| 1302 | if (runDependencyWatcher === null && typeof setInterval !== 'undefined') { |
| 1303 | // Check for missing dependencies every few seconds |
| 1304 | runDependencyWatcher = setInterval(function() { |
| 1305 | var shown = false; |
| 1306 | for (var dep in runDependencyTracking) { |
| 1307 | if (!shown) { |
| 1308 | shown = true; |
| 1309 | Module.printErr('still waiting on run dependencies:'); |
| 1310 | } |
| 1311 | Module.printErr('dependency: ' + dep); |
| 1312 | } |
| 1313 | if (shown) { |
| 1314 | Module.printErr('(end of list)'); |
| 1315 | } |
| 1316 | }, 10000); |
| 1317 | } |
| 1318 | } else { |
| 1319 | Module.printErr('warning: run dependency added without ID'); |
| 1320 | } |
| 1321 | } |
| 1322 | Module['addRunDependency'] = addRunDependency; |
| 1323 | function removeRunDependency(id) { |
| 1324 | runDependencies--; |
| 1325 | if (Module['monitorRunDependencies']) { |
| 1326 | Module['monitorRunDependencies'](runDependencies); |
| 1327 | } |
| 1328 | if (id) { |
| 1329 | assert(runDependencyTracking[id]); |
| 1330 | delete runDependencyTracking[id]; |
| 1331 | } else { |
| 1332 | Module.printErr('warning: run dependency removed without ID'); |
| 1333 | } |
| 1334 | if (runDependencies == 0) { |
| 1335 | if (runDependencyWatcher !== null) { |
| 1336 | clearInterval(runDependencyWatcher); |
| 1337 | runDependencyWatcher = null; |
| 1338 | } |
| 1339 | if (dependenciesFulfilled) { |
| 1340 | var callback = dependenciesFulfilled; |
| 1341 | dependenciesFulfilled = null; |
| 1342 | callback(); // can add another dependenciesFulfilled |
| 1343 | } |
| 1344 | } |
| 1345 | } |
| 1346 | Module['removeRunDependency'] = removeRunDependency; |
| 1347 | |
| 1348 | Module["preloadedImages"] = {}; // maps url to image data |
| 1349 | Module["preloadedAudios"] = {}; // maps url to audio data |
| 1350 | |
| 1351 | |
| 1352 | var memoryInitializer = null; |
| 1353 | |
| 1354 | // === Body === |
| 1355 | |
| 1356 | |
| 1357 | |
| 1358 | STATIC_BASE = 8; |
| 1359 | |
| 1360 | STATICTOP = STATIC_BASE + 504; |
| 1361 | |
| 1362 | |
| 1363 | /* global initializers */ __ATINIT__.push({ func: function() { runPostSets() } }); |
| 1364 | |
| 1365 | |
| 1366 | |
| 1367 | |
| 1368 | |
| 1369 | /* memory initializer */ allocate([255,255,255,0,0,0,0,0], "i8", ALLOC_NONE, Runtime.GLOBAL_BASE); |
| 1370 | function runPostSets() { |
| 1371 | |
| 1372 | |
| 1373 | } |
| 1374 | |
| 1375 | var tempDoublePtr = Runtime.alignMemory(allocate(12, "i8", ALLOC_STATIC), 8); |
| 1376 | |
| 1377 | assert(tempDoublePtr % 8 == 0); |
| 1378 | |
| 1379 | function copyTempFloat(ptr) { // functions, because inlining this code increases code size too much |
| 1380 | |
| 1381 | HEAP8[tempDoublePtr] = HEAP8[ptr]; |
| 1382 | |
| 1383 | HEAP8[tempDoublePtr+1] = HEAP8[ptr+1]; |
| 1384 | |
| 1385 | HEAP8[tempDoublePtr+2] = HEAP8[ptr+2]; |
| 1386 | |
| 1387 | HEAP8[tempDoublePtr+3] = HEAP8[ptr+3]; |
| 1388 | |
| 1389 | } |
| 1390 | |
| 1391 | function copyTempDouble(ptr) { |
| 1392 | |
| 1393 | HEAP8[tempDoublePtr] = HEAP8[ptr]; |
| 1394 | |
| 1395 | HEAP8[tempDoublePtr+1] = HEAP8[ptr+1]; |
| 1396 | |
| 1397 | HEAP8[tempDoublePtr+2] = HEAP8[ptr+2]; |
| 1398 | |
| 1399 | HEAP8[tempDoublePtr+3] = HEAP8[ptr+3]; |
| 1400 | |
| 1401 | HEAP8[tempDoublePtr+4] = HEAP8[ptr+4]; |
| 1402 | |
| 1403 | HEAP8[tempDoublePtr+5] = HEAP8[ptr+5]; |
| 1404 | |
| 1405 | HEAP8[tempDoublePtr+6] = HEAP8[ptr+6]; |
| 1406 | |
| 1407 | HEAP8[tempDoublePtr+7] = HEAP8[ptr+7]; |
| 1408 | |
| 1409 | } |
| 1410 | |
| 1411 | |
| 1412 | |
| 1413 | function _memset(ptr, value, num) { |
| 1414 | ptr = ptr|0; value = value|0; num = num|0; |
| 1415 | var stop = 0, value4 = 0, stop4 = 0, unaligned = 0; |
| 1416 | stop = (ptr + num)|0; |
| 1417 | if ((num|0) >= 20) { |
| 1418 | // This is unaligned, but quite large, so work hard to get to aligned settings |
| 1419 | value = value & 0xff; |
| 1420 | unaligned = ptr & 3; |
| 1421 | value4 = value | (value << 8) | (value << 16) | (value << 24); |
| 1422 | stop4 = stop & ~3; |
| 1423 | if (unaligned) { |
| 1424 | unaligned = (ptr + 4 - unaligned)|0; |
| 1425 | while ((ptr|0) < (unaligned|0)) { // no need to check for stop, since we have large num |
| 1426 | HEAP8[(ptr)]=value; |
| 1427 | ptr = (ptr+1)|0; |
| 1428 | } |
| 1429 | } |
| 1430 | while ((ptr|0) < (stop4|0)) { |
| 1431 | HEAP32[((ptr)>>2)]=value4; |
| 1432 | ptr = (ptr+4)|0; |
| 1433 | } |
| 1434 | } |
| 1435 | while ((ptr|0) < (stop|0)) { |
| 1436 | HEAP8[(ptr)]=value; |
| 1437 | ptr = (ptr+1)|0; |
| 1438 | } |
| 1439 | return (ptr-num)|0; |
| 1440 | }var _llvm_memset_p0i8_i32=_memset; |
| 1441 | |
| 1442 | |
| 1443 | function _memcpy(dest, src, num) { |
| 1444 | dest = dest|0; src = src|0; num = num|0; |
| 1445 | var ret = 0; |
| 1446 | ret = dest|0; |
| 1447 | if ((dest&3) == (src&3)) { |
| 1448 | while (dest & 3) { |
| 1449 | if ((num|0) == 0) return ret|0; |
| 1450 | HEAP8[(dest)]=HEAP8[(src)]; |
| 1451 | dest = (dest+1)|0; |
| 1452 | src = (src+1)|0; |
| 1453 | num = (num-1)|0; |
| 1454 | } |
| 1455 | while ((num|0) >= 4) { |
| 1456 | HEAP32[((dest)>>2)]=HEAP32[((src)>>2)]; |
| 1457 | dest = (dest+4)|0; |
| 1458 | src = (src+4)|0; |
| 1459 | num = (num-4)|0; |
| 1460 | } |
| 1461 | } |
| 1462 | while ((num|0) > 0) { |
| 1463 | HEAP8[(dest)]=HEAP8[(src)]; |
| 1464 | dest = (dest+1)|0; |
| 1465 | src = (src+1)|0; |
| 1466 | num = (num-1)|0; |
| 1467 | } |
| 1468 | return ret|0; |
| 1469 | }var _llvm_memcpy_p0i8_p0i8_i32=_memcpy; |
| 1470 | |
| 1471 | function _abort() { |
| 1472 | Module['abort'](); |
| 1473 | } |
| 1474 | |
| 1475 | |
| 1476 | |
| 1477 | var ___errno_state=0;function ___setErrNo(value) { |
| 1478 | // For convenient setting and returning of errno. |
| 1479 | HEAP32[((___errno_state)>>2)]=value; |
| 1480 | return value; |
| 1481 | }function ___errno_location() { |
| 1482 | return ___errno_state; |
| 1483 | } |
| 1484 | |
| 1485 | function _sbrk(bytes) { |
| 1486 | // Implement a Linux-like 'memory area' for our 'process'. |
| 1487 | // Changes the size of the memory area by |bytes|; returns the |
| 1488 | // address of the previous top ('break') of the memory area |
| 1489 | // We control the "dynamic" memory - DYNAMIC_BASE to DYNAMICTOP |
| 1490 | var self = _sbrk; |
| 1491 | if (!self.called) { |
| 1492 | DYNAMICTOP = alignMemoryPage(DYNAMICTOP); // make sure we start out aligned |
| 1493 | self.called = true; |
| 1494 | assert(Runtime.dynamicAlloc); |
| 1495 | self.alloc = Runtime.dynamicAlloc; |
| 1496 | Runtime.dynamicAlloc = function() { abort('cannot dynamically allocate, sbrk now has control') }; |
| 1497 | } |
| 1498 | var ret = DYNAMICTOP; |
| 1499 | if (bytes != 0) self.alloc(bytes); |
| 1500 | return ret; // Previous break location. |
| 1501 | } |
| 1502 | |
| 1503 | |
| 1504 | var ERRNO_CODES={EPERM:1,ENOENT:2,ESRCH:3,EINTR:4,EIO:5,ENXIO:6,E2BIG:7,ENOEXEC:8,EBADF:9,ECHILD:10,EAGAIN:11,EWOULDBLOCK:11,ENOMEM:12,EACCES:13,EFAULT:14,ENOTBLK:15,EBUSY:16,EEXIST:17,EXDEV:18,ENODEV:19,ENOTDIR:20,EISDIR:21,EINVAL:22,ENFILE:23,EMFILE:24,ENOTTY:25,ETXTBSY:26,EFBIG:27,ENOSPC:28,ESPIPE:29,EROFS:30,EMLINK: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,EBADE:52,EBADR:53,EXFULL:54,ENOANO:55,EBADRQC:56,EBADSLT:57,EDEADLOCK:35,EBFONT:59,ENOSTR: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,ECONNRESET: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,EALREADY:114,EDESTADDRREQ:89,EMSGSIZE:90,EPROTONOSUPPORT:93,ESOCKTNOSUPPORT:94,EADDRNOTAVAIL:99,ENETRESET:102,EISCONN:106,ENOTCONN:107,ETOOMANYREFS:109,EUSERS:87,EDQUOT:122,ESTALE:116,ENOTSUP:95,ENOMEDIUM:123,EILSEQ:84,EOVERFLOW:75,ECANCELED:125,ENOTRECOVERABLE:131,EOWNERDEAD:130,ESTRPIPE:86};function _sysconf(name) { |
| 1505 | // long sysconf(int name); |
| 1506 | // http://pubs.opengroup.org/onlinepubs/009695399/functions/sysconf.html |
| 1507 | switch(name) { |
| 1508 | case 30: return PAGE_SIZE; |
| 1509 | case 132: |
| 1510 | case 133: |
| 1511 | case 12: |
| 1512 | case 137: |
| 1513 | case 138: |
| 1514 | case 15: |
| 1515 | case 235: |
| 1516 | case 16: |
| 1517 | case 17: |
| 1518 | case 18: |
| 1519 | case 19: |
| 1520 | case 20: |
| 1521 | case 149: |
| 1522 | case 13: |
| 1523 | case 10: |
| 1524 | case 236: |
| 1525 | case 153: |
| 1526 | case 9: |
| 1527 | case 21: |
| 1528 | case 22: |
| 1529 | case 159: |
| 1530 | case 154: |
| 1531 | case 14: |
| 1532 | case 77: |
| 1533 | case 78: |
| 1534 | case 139: |
| 1535 | case 80: |
| 1536 | case 81: |
| 1537 | case 79: |
| 1538 | case 82: |
| 1539 | case 68: |
| 1540 | case 67: |
| 1541 | case 164: |
| 1542 | case 11: |
| 1543 | case 29: |
| 1544 | case 47: |
| 1545 | case 48: |
| 1546 | case 95: |
| 1547 | case 52: |
| 1548 | case 51: |
| 1549 | case 46: |
| 1550 | return 200809; |
| 1551 | case 27: |
| 1552 | case 246: |
| 1553 | case 127: |
| 1554 | case 128: |
| 1555 | case 23: |
| 1556 | case 24: |
| 1557 | case 160: |
| 1558 | case 161: |
| 1559 | case 181: |
| 1560 | case 182: |
| 1561 | case 242: |
| 1562 | case 183: |
| 1563 | case 184: |
| 1564 | case 243: |
| 1565 | case 244: |
| 1566 | case 245: |
| 1567 | case 165: |
| 1568 | case 178: |
| 1569 | case 179: |
| 1570 | case 49: |
| 1571 | case 50: |
| 1572 | case 168: |
| 1573 | case 169: |
| 1574 | case 175: |
| 1575 | case 170: |
| 1576 | case 171: |
| 1577 | case 172: |
| 1578 | case 97: |
| 1579 | case 76: |
| 1580 | case 32: |
| 1581 | case 173: |
| 1582 | case 35: |
| 1583 | return -1; |
| 1584 | case 176: |
| 1585 | case 177: |
| 1586 | case 7: |
| 1587 | case 155: |
| 1588 | case 8: |
| 1589 | case 157: |
| 1590 | case 125: |
| 1591 | case 126: |
| 1592 | case 92: |
| 1593 | case 93: |
| 1594 | case 129: |
| 1595 | case 130: |
| 1596 | case 131: |
| 1597 | case 94: |
| 1598 | case 91: |
| 1599 | return 1; |
| 1600 | case 74: |
| 1601 | case 60: |
| 1602 | case 69: |
| 1603 | case 70: |
| 1604 | case 4: |
| 1605 | return 1024; |
| 1606 | case 31: |
| 1607 | case 42: |
| 1608 | case 72: |
| 1609 | return 32; |
| 1610 | case 87: |
| 1611 | case 26: |
| 1612 | case 33: |
| 1613 | return 2147483647; |
| 1614 | case 34: |
| 1615 | case 1: |
| 1616 | return 47839; |
| 1617 | case 38: |
| 1618 | case 36: |
| 1619 | return 99; |
| 1620 | case 43: |
| 1621 | case 37: |
| 1622 | return 2048; |
| 1623 | case 0: return 2097152; |
| 1624 | case 3: return 65536; |
| 1625 | case 28: return 32768; |
| 1626 | case 44: return 32767; |
| 1627 | case 75: return 16384; |
| 1628 | case 39: return 1000; |
| 1629 | case 89: return 700; |
| 1630 | case 71: return 256; |
| 1631 | case 40: return 255; |
| 1632 | case 2: return 100; |
| 1633 | case 180: return 64; |
| 1634 | case 25: return 20; |
| 1635 | case 5: return 16; |
| 1636 | case 6: return 6; |
| 1637 | case 73: return 4; |
| 1638 | case 84: return 1; |
| 1639 | } |
| 1640 | ___setErrNo(ERRNO_CODES.EINVAL); |
| 1641 | return -1; |
| 1642 | } |
| 1643 | |
| 1644 | function _time(ptr) { |
| 1645 | var ret = Math.floor(Date.now()/1000); |
| 1646 | if (ptr) { |
| 1647 | HEAP32[((ptr)>>2)]=ret; |
| 1648 | } |
| 1649 | return ret; |
| 1650 | } |
| 1651 | |
| 1652 | |
| 1653 | |
| 1654 | |
| 1655 | |
| 1656 | function _strlen(ptr) { |
| 1657 | ptr = ptr|0; |
| 1658 | var curr = 0; |
| 1659 | curr = ptr; |
| 1660 | while (HEAP8[(curr)]) { |
| 1661 | curr = (curr + 1)|0; |
| 1662 | } |
| 1663 | return (curr - ptr)|0; |
| 1664 | } |
| 1665 | |
| 1666 | |
| 1667 | |
| 1668 | |
| 1669 | var ERRNO_MESSAGES={0:"Success",1:"Not super-user",2:"No such file or directory",3:"No such process",4:"Interrupted system call",5:"I/O error",6:"No such device or address",7:"Arg list too long",8:"Exec format error",9:"Bad file number",10:"No children",11:"No more processes",12:"Not enough core",13:"Permission denied",14:"Bad address",15:"Block device required",16:"Mount device busy",17:"File exists",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:"No space left on device",29:"Illegal seek",30:"Read only file system",31:"Too many links",32:"Broken pipe",33:"Math arg out of domain of func",34:"Math result not 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:"Identifier 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 driver not attached",50:"No CSI structure available",51:"Level 2 halted",52:"Invalid 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 resources",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:"Srmount error",70:"Communication error on send",71:"Protocol error",72:"Multihop attempted",73:"Cross mount point (not really error)",74:"Trying to read unreadable message",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 access 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 exec a shared library",84:"Illegal byte sequence",86:"Streams pipe error",87:"Too many users",88:"Socket operation on non-socket",89:"Destination address required",90:"Message too long",91:"Protocol wrong type for socket",92:"Protocol not available",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 interface 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:"Connection timed out",111:"Connection refused",112:"Host is down",113:"Host is unreachable",114:"Socket already connected",115:"Connection already in progress",116:"Stale file handle",122:"Quota exceeded",123:"No medium (in tape drive)",125:"Operation canceled",130:"Previous owner died",131:"State not recoverable"}; |
| 1670 | |
| 1671 | var TTY={ttys:[],init:function () { |
| 1672 | // https://github.com/kripken/emscripten/pull/1555 |
| 1673 | // if (ENVIRONMENT_IS_NODE) { |
| 1674 | // // currently, FS.init does not distinguish if process.stdin is a file or TTY |
| 1675 | // // device, it always assumes it's a TTY device. because of this, we're forcing |
| 1676 | // // process.stdin to UTF8 encoding to at least make stdin reading compatible |
| 1677 | // // with text files until FS.init can be refactored. |
| 1678 | // process['stdin']['setEncoding']('utf8'); |
| 1679 | // } |
| 1680 | },shutdown:function () { |
| 1681 | // https://github.com/kripken/emscripten/pull/1555 |
| 1682 | // if (ENVIRONMENT_IS_NODE) { |
| 1683 | // // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)? |
| 1684 | // // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation |
| 1685 | // // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists? |
| 1686 | // // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle |
| 1687 | // // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call |
| 1688 | // process['stdin']['pause'](); |
| 1689 | // } |
| 1690 | },register:function (dev, ops) { |
| 1691 | TTY.ttys[dev] = { input: [], output: [], ops: ops }; |
| 1692 | FS.registerDevice(dev, TTY.stream_ops); |
| 1693 | },stream_ops:{open:function (stream) { |
| 1694 | var tty = TTY.ttys[stream.node.rdev]; |
| 1695 | if (!tty) { |
| 1696 | throw new FS.ErrnoError(ERRNO_CODES.ENODEV); |
| 1697 | } |
| 1698 | stream.tty = tty; |
| 1699 | stream.seekable = false; |
| 1700 | },close:function (stream) { |
| 1701 | // flush any pending line data |
| 1702 | if (stream.tty.output.length) { |
| 1703 | stream.tty.ops.put_char(stream.tty, 10); |
| 1704 | } |
| 1705 | },read:function (stream, buffer, offset, length, pos /* ignored */) { |
| 1706 | if (!stream.tty || !stream.tty.ops.get_char) { |
| 1707 | throw new FS.ErrnoError(ERRNO_CODES.ENXIO); |
| 1708 | } |
| 1709 | var bytesRead = 0; |
| 1710 | for (var i = 0; i < length; i++) { |
| 1711 | var result; |
| 1712 | try { |
| 1713 | result = stream.tty.ops.get_char(stream.tty); |
| 1714 | } catch (e) { |
| 1715 | throw new FS.ErrnoError(ERRNO_CODES.EIO); |
| 1716 | } |
| 1717 | if (result === undefined && bytesRead === 0) { |
| 1718 | throw new FS.ErrnoError(ERRNO_CODES.EAGAIN); |
| 1719 | } |
| 1720 | if (result === null || result === undefined) break; |
| 1721 | bytesRead++; |
| 1722 | buffer[offset+i] = result; |
| 1723 | } |
| 1724 | if (bytesRead) { |
| 1725 | stream.node.timestamp = Date.now(); |
| 1726 | } |
| 1727 | return bytesRead; |
| 1728 | },write:function (stream, buffer, offset, length, pos) { |
| 1729 | if (!stream.tty || !stream.tty.ops.put_char) { |
| 1730 | throw new FS.ErrnoError(ERRNO_CODES.ENXIO); |
| 1731 | } |
| 1732 | for (var i = 0; i < length; i++) { |
| 1733 | try { |
| 1734 | stream.tty.ops.put_char(stream.tty, buffer[offset+i]); |
| 1735 | } catch (e) { |
| 1736 | throw new FS.ErrnoError(ERRNO_CODES.EIO); |
| 1737 | } |
| 1738 | } |
| 1739 | if (length) { |
| 1740 | stream.node.timestamp = Date.now(); |
| 1741 | } |
| 1742 | return i; |
| 1743 | }},default_tty_ops:{get_char:function (tty) { |
| 1744 | if (!tty.input.length) { |
| 1745 | var result = null; |
| 1746 | if (ENVIRONMENT_IS_NODE) { |
| 1747 | result = process['stdin']['read'](); |
| 1748 | if (!result) { |
| 1749 | if (process['stdin']['_readableState'] && process['stdin']['_readableState']['ended']) { |
| 1750 | return null; // EOF |
| 1751 | } |
| 1752 | return undefined; // no data available |
| 1753 | } |
| 1754 | } else if (typeof window != 'undefined' && |
| 1755 | typeof window.prompt == 'function') { |
| 1756 | // Browser. |
| 1757 | result = window.prompt('Input: '); // returns null on cancel |
| 1758 | if (result !== null) { |
| 1759 | result += '\n'; |
| 1760 | } |
| 1761 | } else if (typeof readline == 'function') { |
| 1762 | // Command line. |
| 1763 | result = readline(); |
| 1764 | if (result !== null) { |
| 1765 | result += '\n'; |
| 1766 | } |
| 1767 | } |
| 1768 | if (!result) { |
| 1769 | return null; |
| 1770 | } |
| 1771 | tty.input = intArrayFromString(result, true); |
| 1772 | } |
| 1773 | return tty.input.shift(); |
| 1774 | },put_char:function (tty, val) { |
| 1775 | if (val === null || val === 10) { |
| 1776 | Module['print'](tty.output.join('')); |
| 1777 | tty.output = []; |
| 1778 | } else { |
| 1779 | tty.output.push(TTY.utf8.processCChar(val)); |
| 1780 | } |
| 1781 | }},default_tty1_ops:{put_char:function (tty, val) { |
| 1782 | if (val === null || val === 10) { |
| 1783 | Module['printErr'](tty.output.join('')); |
| 1784 | tty.output = []; |
| 1785 | } else { |
| 1786 | tty.output.push(TTY.utf8.processCChar(val)); |
| 1787 | } |
| 1788 | }}}; |
| 1789 | |
| 1790 | var MEMFS={ops_table:null,CONTENT_OWNING:1,CONTENT_FLEXIBLE:2,CONTENT_FIXED:3,mount:function (mount) { |
| 1791 | return MEMFS.createNode(null, '/', 16384 | 0777, 0); |
| 1792 | },createNode:function (parent, name, mode, dev) { |
| 1793 | if (FS.isBlkdev(mode) || FS.isFIFO(mode)) { |
| 1794 | // no supported |
| 1795 | throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 1796 | } |
| 1797 | if (!MEMFS.ops_table) { |
| 1798 | MEMFS.ops_table = { |
| 1799 | dir: { |
| 1800 | node: { |
| 1801 | getattr: MEMFS.node_ops.getattr, |
| 1802 | setattr: MEMFS.node_ops.setattr, |
| 1803 | lookup: MEMFS.node_ops.lookup, |
| 1804 | mknod: MEMFS.node_ops.mknod, |
| 1805 | mknod: MEMFS.node_ops.mknod, |
| 1806 | rename: MEMFS.node_ops.rename, |
| 1807 | unlink: MEMFS.node_ops.unlink, |
| 1808 | rmdir: MEMFS.node_ops.rmdir, |
| 1809 | readdir: MEMFS.node_ops.readdir, |
| 1810 | symlink: MEMFS.node_ops.symlink |
| 1811 | }, |
| 1812 | stream: { |
| 1813 | llseek: MEMFS.stream_ops.llseek |
| 1814 | } |
| 1815 | }, |
| 1816 | file: { |
| 1817 | node: { |
| 1818 | getattr: MEMFS.node_ops.getattr, |
| 1819 | setattr: MEMFS.node_ops.setattr |
| 1820 | }, |
| 1821 | stream: { |
| 1822 | llseek: MEMFS.stream_ops.llseek, |
| 1823 | read: MEMFS.stream_ops.read, |
| 1824 | write: MEMFS.stream_ops.write, |
| 1825 | allocate: MEMFS.stream_ops.allocate, |
| 1826 | mmap: MEMFS.stream_ops.mmap |
| 1827 | } |
| 1828 | }, |
| 1829 | link: { |
| 1830 | node: { |
| 1831 | getattr: MEMFS.node_ops.getattr, |
| 1832 | setattr: MEMFS.node_ops.setattr, |
| 1833 | readlink: MEMFS.node_ops.readlink |
| 1834 | }, |
| 1835 | stream: {} |
| 1836 | }, |
| 1837 | chrdev: { |
| 1838 | node: { |
| 1839 | getattr: MEMFS.node_ops.getattr, |
| 1840 | setattr: MEMFS.node_ops.setattr |
| 1841 | }, |
| 1842 | stream: FS.chrdev_stream_ops |
| 1843 | }, |
| 1844 | }; |
| 1845 | } |
| 1846 | var node = FS.createNode(parent, name, mode, dev); |
| 1847 | if (FS.isDir(node.mode)) { |
| 1848 | node.node_ops = MEMFS.ops_table.dir.node; |
| 1849 | node.stream_ops = MEMFS.ops_table.dir.stream; |
| 1850 | node.contents = {}; |
| 1851 | } else if (FS.isFile(node.mode)) { |
| 1852 | node.node_ops = MEMFS.ops_table.file.node; |
| 1853 | node.stream_ops = MEMFS.ops_table.file.stream; |
| 1854 | node.contents = []; |
| 1855 | node.contentMode = MEMFS.CONTENT_FLEXIBLE; |
| 1856 | } else if (FS.isLink(node.mode)) { |
| 1857 | node.node_ops = MEMFS.ops_table.link.node; |
| 1858 | node.stream_ops = MEMFS.ops_table.link.stream; |
| 1859 | } else if (FS.isChrdev(node.mode)) { |
| 1860 | node.node_ops = MEMFS.ops_table.chrdev.node; |
| 1861 | node.stream_ops = MEMFS.ops_table.chrdev.stream; |
| 1862 | } |
| 1863 | node.timestamp = Date.now(); |
| 1864 | // add the new node to the parent |
| 1865 | if (parent) { |
| 1866 | parent.contents[name] = node; |
| 1867 | } |
| 1868 | return node; |
| 1869 | },ensureFlexible:function (node) { |
| 1870 | if (node.contentMode !== MEMFS.CONTENT_FLEXIBLE) { |
| 1871 | var contents = node.contents; |
| 1872 | node.contents = Array.prototype.slice.call(contents); |
| 1873 | node.contentMode = MEMFS.CONTENT_FLEXIBLE; |
| 1874 | } |
| 1875 | },node_ops:{getattr:function (node) { |
| 1876 | var attr = {}; |
| 1877 | // device numbers reuse inode numbers. |
| 1878 | attr.dev = FS.isChrdev(node.mode) ? node.id : 1; |
| 1879 | attr.ino = node.id; |
| 1880 | attr.mode = node.mode; |
| 1881 | attr.nlink = 1; |
| 1882 | attr.uid = 0; |
| 1883 | attr.gid = 0; |
| 1884 | attr.rdev = node.rdev; |
| 1885 | if (FS.isDir(node.mode)) { |
| 1886 | attr.size = 4096; |
| 1887 | } else if (FS.isFile(node.mode)) { |
| 1888 | attr.size = node.contents.length; |
| 1889 | } else if (FS.isLink(node.mode)) { |
| 1890 | attr.size = node.link.length; |
| 1891 | } else { |
| 1892 | attr.size = 0; |
| 1893 | } |
| 1894 | attr.atime = new Date(node.timestamp); |
| 1895 | attr.mtime = new Date(node.timestamp); |
| 1896 | attr.ctime = new Date(node.timestamp); |
| 1897 | // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize), |
| 1898 | // but this is not required by the standard. |
| 1899 | attr.blksize = 4096; |
| 1900 | attr.blocks = Math.ceil(attr.size / attr.blksize); |
| 1901 | return attr; |
| 1902 | },setattr:function (node, attr) { |
| 1903 | if (attr.mode !== undefined) { |
| 1904 | node.mode = attr.mode; |
| 1905 | } |
| 1906 | if (attr.timestamp !== undefined) { |
| 1907 | node.timestamp = attr.timestamp; |
| 1908 | } |
| 1909 | if (attr.size !== undefined) { |
| 1910 | MEMFS.ensureFlexible(node); |
| 1911 | var contents = node.contents; |
| 1912 | if (attr.size < contents.length) contents.length = attr.size; |
| 1913 | else while (attr.size > contents.length) contents.push(0); |
| 1914 | } |
| 1915 | },lookup:function (parent, name) { |
| 1916 | throw FS.genericErrors[ERRNO_CODES.ENOENT]; |
| 1917 | },mknod:function (parent, name, mode, dev) { |
| 1918 | return MEMFS.createNode(parent, name, mode, dev); |
| 1919 | },rename:function (old_node, new_dir, new_name) { |
| 1920 | // if we're overwriting a directory at new_name, make sure it's empty. |
| 1921 | if (FS.isDir(old_node.mode)) { |
| 1922 | var new_node; |
| 1923 | try { |
| 1924 | new_node = FS.lookupNode(new_dir, new_name); |
| 1925 | } catch (e) { |
| 1926 | } |
| 1927 | if (new_node) { |
| 1928 | for (var i in new_node.contents) { |
| 1929 | throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY); |
| 1930 | } |
| 1931 | } |
| 1932 | } |
| 1933 | // do the internal rewiring |
| 1934 | delete old_node.parent.contents[old_node.name]; |
| 1935 | old_node.name = new_name; |
| 1936 | new_dir.contents[new_name] = old_node; |
| 1937 | old_node.parent = new_dir; |
| 1938 | },unlink:function (parent, name) { |
| 1939 | delete parent.contents[name]; |
| 1940 | },rmdir:function (parent, name) { |
| 1941 | var node = FS.lookupNode(parent, name); |
| 1942 | for (var i in node.contents) { |
| 1943 | throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY); |
| 1944 | } |
| 1945 | delete parent.contents[name]; |
| 1946 | },readdir:function (node) { |
| 1947 | var entries = ['.', '..'] |
| 1948 | for (var key in node.contents) { |
| 1949 | if (!node.contents.hasOwnProperty(key)) { |
| 1950 | continue; |
| 1951 | } |
| 1952 | entries.push(key); |
| 1953 | } |
| 1954 | return entries; |
| 1955 | },symlink:function (parent, newname, oldpath) { |
| 1956 | var node = MEMFS.createNode(parent, newname, 0777 | 40960, 0); |
| 1957 | node.link = oldpath; |
| 1958 | return node; |
| 1959 | },readlink:function (node) { |
| 1960 | if (!FS.isLink(node.mode)) { |
| 1961 | throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 1962 | } |
| 1963 | return node.link; |
| 1964 | }},stream_ops:{read:function (stream, buffer, offset, length, position) { |
| 1965 | var contents = stream.node.contents; |
| 1966 | if (position >= contents.length) |
| 1967 | return 0; |
| 1968 | var size = Math.min(contents.length - position, length); |
| 1969 | assert(size >= 0); |
| 1970 | if (size > 8 && contents.subarray) { // non-trivial, and typed array |
| 1971 | buffer.set(contents.subarray(position, position + size), offset); |
| 1972 | } else |
| 1973 | { |
| 1974 | for (var i = 0; i < size; i++) { |
| 1975 | buffer[offset + i] = contents[position + i]; |
| 1976 | } |
| 1977 | } |
| 1978 | return size; |
| 1979 | },write:function (stream, buffer, offset, length, position, canOwn) { |
| 1980 | var node = stream.node; |
| 1981 | node.timestamp = Date.now(); |
| 1982 | var contents = node.contents; |
| 1983 | if (length && contents.length === 0 && position === 0 && buffer.subarray) { |
| 1984 | // just replace it with the new data |
| 1985 | assert(buffer.length); |
| 1986 | if (canOwn && offset === 0) { |
| 1987 | node.contents = buffer; // this could be a subarray of Emscripten HEAP, or allocated from some other source. |
| 1988 | node.contentMode = (buffer.buffer === HEAP8.buffer) ? MEMFS.CONTENT_OWNING : MEMFS.CONTENT_FIXED; |
| 1989 | } else { |
| 1990 | node.contents = new Uint8Array(buffer.subarray(offset, offset+length)); |
| 1991 | node.contentMode = MEMFS.CONTENT_FIXED; |
| 1992 | } |
| 1993 | return length; |
| 1994 | } |
| 1995 | MEMFS.ensureFlexible(node); |
| 1996 | var contents = node.contents; |
| 1997 | while (contents.length < position) contents.push(0); |
| 1998 | for (var i = 0; i < length; i++) { |
| 1999 | contents[position + i] = buffer[offset + i]; |
| 2000 | } |
| 2001 | return length; |
| 2002 | },llseek:function (stream, offset, whence) { |
| 2003 | var position = offset; |
| 2004 | if (whence === 1) { // SEEK_CUR. |
| 2005 | position += stream.position; |
| 2006 | } else if (whence === 2) { // SEEK_END. |
| 2007 | if (FS.isFile(stream.node.mode)) { |
| 2008 | position += stream.node.contents.length; |
| 2009 | } |
| 2010 | } |
| 2011 | if (position < 0) { |
| 2012 | throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 2013 | } |
| 2014 | stream.ungotten = []; |
| 2015 | stream.position = position; |
| 2016 | return position; |
| 2017 | },allocate:function (stream, offset, length) { |
| 2018 | MEMFS.ensureFlexible(stream.node); |
| 2019 | var contents = stream.node.contents; |
| 2020 | var limit = offset + length; |
| 2021 | while (limit > contents.length) contents.push(0); |
| 2022 | },mmap:function (stream, buffer, offset, length, position, prot, flags) { |
| 2023 | if (!FS.isFile(stream.node.mode)) { |
| 2024 | throw new FS.ErrnoError(ERRNO_CODES.ENODEV); |
| 2025 | } |
| 2026 | var ptr; |
| 2027 | var allocated; |
| 2028 | var contents = stream.node.contents; |
| 2029 | // Only make a new copy when MAP_PRIVATE is specified. |
| 2030 | if ( !(flags & 2) && |
| 2031 | (contents.buffer === buffer || contents.buffer === buffer.buffer) ) { |
| 2032 | // We can't emulate MAP_SHARED when the file is not backed by the buffer |
| 2033 | // we're mapping to (e.g. the HEAP buffer). |
| 2034 | allocated = false; |
| 2035 | ptr = contents.byteOffset; |
| 2036 | } else { |
| 2037 | // Try to avoid unnecessary slices. |
| 2038 | if (position > 0 || position + length < contents.length) { |
| 2039 | if (contents.subarray) { |
| 2040 | contents = contents.subarray(position, position + length); |
| 2041 | } else { |
| 2042 | contents = Array.prototype.slice.call(contents, position, position + length); |
| 2043 | } |
| 2044 | } |
| 2045 | allocated = true; |
| 2046 | ptr = _malloc(length); |
| 2047 | if (!ptr) { |
| 2048 | throw new FS.ErrnoError(ERRNO_CODES.ENOMEM); |
| 2049 | } |
| 2050 | buffer.set(contents, ptr); |
| 2051 | } |
| 2052 | return { ptr: ptr, allocated: allocated }; |
| 2053 | }}}; |
| 2054 | |
| 2055 | var IDBFS={dbs:{},indexedDB:function () { |
| 2056 | return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB; |
| 2057 | },DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",mount:function (mount) { |
| 2058 | return MEMFS.mount.apply(null, arguments); |
| 2059 | },syncfs:function (mount, populate, callback) { |
| 2060 | IDBFS.getLocalSet(mount, function(err, local) { |
| 2061 | if (err) return callback(err); |
| 2062 | |
| 2063 | IDBFS.getRemoteSet(mount, function(err, remote) { |
| 2064 | if (err) return callback(err); |
| 2065 | |
| 2066 | var src = populate ? remote : local; |
| 2067 | var dst = populate ? local : remote; |
| 2068 | |
| 2069 | IDBFS.reconcile(src, dst, callback); |
| 2070 | }); |
| 2071 | }); |
| 2072 | },reconcile:function (src, dst, callback) { |
| 2073 | var total = 0; |
| 2074 | |
| 2075 | var create = {}; |
| 2076 | for (var key in src.files) { |
| 2077 | if (!src.files.hasOwnProperty(key)) continue; |
| 2078 | var e = src.files[key]; |
| 2079 | var e2 = dst.files[key]; |
| 2080 | if (!e2 || e.timestamp > e2.timestamp) { |
| 2081 | create[key] = e; |
| 2082 | total++; |
| 2083 | } |
| 2084 | } |
| 2085 | |
| 2086 | var remove = {}; |
| 2087 | for (var key in dst.files) { |
| 2088 | if (!dst.files.hasOwnProperty(key)) continue; |
| 2089 | var e = dst.files[key]; |
| 2090 | var e2 = src.files[key]; |
| 2091 | if (!e2) { |
| 2092 | remove[key] = e; |
| 2093 | total++; |
| 2094 | } |
| 2095 | } |
| 2096 | |
| 2097 | if (!total) { |
| 2098 | // early out |
| 2099 | return callback(null); |
| 2100 | } |
| 2101 | |
| 2102 | var completed = 0; |
| 2103 | function done(err) { |
| 2104 | if (err) return callback(err); |
| 2105 | if (++completed >= total) { |
| 2106 | return callback(null); |
| 2107 | } |
| 2108 | }; |
| 2109 | |
| 2110 | // create a single transaction to handle and IDB reads / writes we'll need to do |
| 2111 | var db = src.type === 'remote' ? src.db : dst.db; |
| 2112 | var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readwrite'); |
| 2113 | transaction.onerror = function transaction_onerror() { callback(this.error); }; |
| 2114 | var store = transaction.objectStore(IDBFS.DB_STORE_NAME); |
| 2115 | |
| 2116 | for (var path in create) { |
| 2117 | if (!create.hasOwnProperty(path)) continue; |
| 2118 | var entry = create[path]; |
| 2119 | |
| 2120 | if (dst.type === 'local') { |
| 2121 | // save file to local |
| 2122 | try { |
| 2123 | if (FS.isDir(entry.mode)) { |
| 2124 | FS.mkdir(path, entry.mode); |
| 2125 | } else if (FS.isFile(entry.mode)) { |
| 2126 | var stream = FS.open(path, 'w+', 0666); |
| 2127 | FS.write(stream, entry.contents, 0, entry.contents.length, 0, true /* canOwn */); |
| 2128 | FS.close(stream); |
| 2129 | } |
| 2130 | done(null); |
| 2131 | } catch (e) { |
| 2132 | return done(e); |
| 2133 | } |
| 2134 | } else { |
| 2135 | // save file to IDB |
| 2136 | var req = store.put(entry, path); |
| 2137 | req.onsuccess = function req_onsuccess() { done(null); }; |
| 2138 | req.onerror = function req_onerror() { done(this.error); }; |
| 2139 | } |
| 2140 | } |
| 2141 | |
| 2142 | for (var path in remove) { |
| 2143 | if (!remove.hasOwnProperty(path)) continue; |
| 2144 | var entry = remove[path]; |
| 2145 | |
| 2146 | if (dst.type === 'local') { |
| 2147 | // delete file from local |
| 2148 | try { |
| 2149 | if (FS.isDir(entry.mode)) { |
| 2150 | // TODO recursive delete? |
| 2151 | FS.rmdir(path); |
| 2152 | } else if (FS.isFile(entry.mode)) { |
| 2153 | FS.unlink(path); |
| 2154 | } |
| 2155 | done(null); |
| 2156 | } catch (e) { |
| 2157 | return done(e); |
| 2158 | } |
| 2159 | } else { |
| 2160 | // delete file from IDB |
| 2161 | var req = store.delete(path); |
| 2162 | req.onsuccess = function req_onsuccess() { done(null); }; |
| 2163 | req.onerror = function req_onerror() { done(this.error); }; |
| 2164 | } |
| 2165 | } |
| 2166 | },getLocalSet:function (mount, callback) { |
| 2167 | var files = {}; |
| 2168 | |
| 2169 | function isRealDir(p) { |
| 2170 | return p !== '.' && p !== '..'; |
| 2171 | }; |
| 2172 | function toAbsolute(root) { |
| 2173 | return function(p) { |
| 2174 | return PATH.join2(root, p); |
| 2175 | } |
| 2176 | }; |
| 2177 | |
| 2178 | var check = FS.readdir(mount.mountpoint) |
| 2179 | .filter(isRealDir) |
| 2180 | .map(toAbsolute(mount.mountpoint)); |
| 2181 | |
| 2182 | while (check.length) { |
| 2183 | var path = check.pop(); |
| 2184 | var stat, node; |
| 2185 | |
| 2186 | try { |
| 2187 | var lookup = FS.lookupPath(path); |
| 2188 | node = lookup.node; |
| 2189 | stat = FS.stat(path); |
| 2190 | } catch (e) { |
| 2191 | return callback(e); |
| 2192 | } |
| 2193 | |
| 2194 | if (FS.isDir(stat.mode)) { |
| 2195 | check.push.apply(check, FS.readdir(path) |
| 2196 | .filter(isRealDir) |
| 2197 | .map(toAbsolute(path))); |
| 2198 | |
| 2199 | files[path] = { mode: stat.mode, timestamp: stat.mtime }; |
| 2200 | } else if (FS.isFile(stat.mode)) { |
| 2201 | files[path] = { contents: node.contents, mode: stat.mode, timestamp: stat.mtime }; |
| 2202 | } else { |
| 2203 | return callback(new Error('node type not supported')); |
| 2204 | } |
| 2205 | } |
| 2206 | |
| 2207 | return callback(null, { type: 'local', files: files }); |
| 2208 | },getDB:function (name, callback) { |
| 2209 | // look it up in the cache |
| 2210 | var db = IDBFS.dbs[name]; |
| 2211 | if (db) { |
| 2212 | return callback(null, db); |
| 2213 | } |
| 2214 | var req; |
| 2215 | try { |
| 2216 | req = IDBFS.indexedDB().open(name, IDBFS.DB_VERSION); |
| 2217 | } catch (e) { |
| 2218 | return onerror(e); |
| 2219 | } |
| 2220 | req.onupgradeneeded = function req_onupgradeneeded() { |
| 2221 | db = req.result; |
| 2222 | db.createObjectStore(IDBFS.DB_STORE_NAME); |
| 2223 | }; |
| 2224 | req.onsuccess = function req_onsuccess() { |
| 2225 | db = req.result; |
| 2226 | // add to the cache |
| 2227 | IDBFS.dbs[name] = db; |
| 2228 | callback(null, db); |
| 2229 | }; |
| 2230 | req.onerror = function req_onerror() { |
| 2231 | callback(this.error); |
| 2232 | }; |
| 2233 | },getRemoteSet:function (mount, callback) { |
| 2234 | var files = {}; |
| 2235 | |
| 2236 | IDBFS.getDB(mount.mountpoint, function(err, db) { |
| 2237 | if (err) return callback(err); |
| 2238 | |
| 2239 | var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readonly'); |
| 2240 | transaction.onerror = function transaction_onerror() { callback(this.error); }; |
| 2241 | |
| 2242 | var store = transaction.objectStore(IDBFS.DB_STORE_NAME); |
| 2243 | store.openCursor().onsuccess = function store_openCursor_onsuccess(event) { |
| 2244 | var cursor = event.target.result; |
| 2245 | if (!cursor) { |
| 2246 | return callback(null, { type: 'remote', db: db, files: files }); |
| 2247 | } |
| 2248 | |
| 2249 | files[cursor.key] = cursor.value; |
| 2250 | cursor.continue(); |
| 2251 | }; |
| 2252 | }); |
| 2253 | }}; |
| 2254 | |
| 2255 | var NODEFS={isWindows:false,staticInit:function () { |
| 2256 | NODEFS.isWindows = !!process.platform.match(/^win/); |
| 2257 | },mount:function (mount) { |
| 2258 | assert(ENVIRONMENT_IS_NODE); |
| 2259 | return NODEFS.createNode(null, '/', NODEFS.getMode(mount.opts.root), 0); |
| 2260 | },createNode:function (parent, name, mode, dev) { |
| 2261 | if (!FS.isDir(mode) && !FS.isFile(mode) && !FS.isLink(mode)) { |
| 2262 | throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 2263 | } |
| 2264 | var node = FS.createNode(parent, name, mode); |
| 2265 | node.node_ops = NODEFS.node_ops; |
| 2266 | node.stream_ops = NODEFS.stream_ops; |
| 2267 | return node; |
| 2268 | },getMode:function (path) { |
| 2269 | var stat; |
| 2270 | try { |
| 2271 | stat = fs.lstatSync(path); |
| 2272 | if (NODEFS.isWindows) { |
| 2273 | // On Windows, directories return permission bits 'rw-rw-rw-', even though they have 'rwxrwxrwx', so |
| 2274 | // propagate write bits to execute bits. |
| 2275 | stat.mode = stat.mode | ((stat.mode & 146) >> 1); |
| 2276 | } |
| 2277 | } catch (e) { |
| 2278 | if (!e.code) throw e; |
| 2279 | throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2280 | } |
| 2281 | return stat.mode; |
| 2282 | },realPath:function (node) { |
| 2283 | var parts = []; |
| 2284 | while (node.parent !== node) { |
| 2285 | parts.push(node.name); |
| 2286 | node = node.parent; |
| 2287 | } |
| 2288 | parts.push(node.mount.opts.root); |
| 2289 | parts.reverse(); |
| 2290 | return PATH.join.apply(null, parts); |
| 2291 | },flagsToPermissionStringMap:{0:"r",1:"r+",2:"r+",64:"r",65:"r+",66:"r+",129:"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:"rs",4098:"rs+"},flagsToPermissionString:function (flags) { |
| 2292 | if (flags in NODEFS.flagsToPermissionStringMap) { |
| 2293 | return NODEFS.flagsToPermissionStringMap[flags]; |
| 2294 | } else { |
| 2295 | return flags; |
| 2296 | } |
| 2297 | },node_ops:{getattr:function (node) { |
| 2298 | var path = NODEFS.realPath(node); |
| 2299 | var stat; |
| 2300 | try { |
| 2301 | stat = fs.lstatSync(path); |
| 2302 | } catch (e) { |
| 2303 | if (!e.code) throw e; |
| 2304 | throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2305 | } |
| 2306 | // node.js v0.10.20 doesn't report blksize and blocks on Windows. Fake them with default blksize of 4096. |
| 2307 | // See http://support.microsoft.com/kb/140365 |
| 2308 | if (NODEFS.isWindows && !stat.blksize) { |
| 2309 | stat.blksize = 4096; |
| 2310 | } |
| 2311 | if (NODEFS.isWindows && !stat.blocks) { |
| 2312 | stat.blocks = (stat.size+stat.blksize-1)/stat.blksize|0; |
| 2313 | } |
| 2314 | return { |
| 2315 | dev: stat.dev, |
| 2316 | ino: stat.ino, |
| 2317 | mode: stat.mode, |
| 2318 | nlink: stat.nlink, |
| 2319 | uid: stat.uid, |
| 2320 | gid: stat.gid, |
| 2321 | rdev: stat.rdev, |
| 2322 | size: stat.size, |
| 2323 | atime: stat.atime, |
| 2324 | mtime: stat.mtime, |
| 2325 | ctime: stat.ctime, |
| 2326 | blksize: stat.blksize, |
| 2327 | blocks: stat.blocks |
| 2328 | }; |
| 2329 | },setattr:function (node, attr) { |
| 2330 | var path = NODEFS.realPath(node); |
| 2331 | try { |
| 2332 | if (attr.mode !== undefined) { |
| 2333 | fs.chmodSync(path, attr.mode); |
| 2334 | // update the common node structure mode as well |
| 2335 | node.mode = attr.mode; |
| 2336 | } |
| 2337 | if (attr.timestamp !== undefined) { |
| 2338 | var date = new Date(attr.timestamp); |
| 2339 | fs.utimesSync(path, date, date); |
| 2340 | } |
| 2341 | if (attr.size !== undefined) { |
| 2342 | fs.truncateSync(path, attr.size); |
| 2343 | } |
| 2344 | } catch (e) { |
| 2345 | if (!e.code) throw e; |
| 2346 | throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2347 | } |
| 2348 | },lookup:function (parent, name) { |
| 2349 | var path = PATH.join2(NODEFS.realPath(parent), name); |
| 2350 | var mode = NODEFS.getMode(path); |
| 2351 | return NODEFS.createNode(parent, name, mode); |
| 2352 | },mknod:function (parent, name, mode, dev) { |
| 2353 | var node = NODEFS.createNode(parent, name, mode, dev); |
| 2354 | // create the backing node for this in the fs root as well |
| 2355 | var path = NODEFS.realPath(node); |
| 2356 | try { |
| 2357 | if (FS.isDir(node.mode)) { |
| 2358 | fs.mkdirSync(path, node.mode); |
| 2359 | } else { |
| 2360 | fs.writeFileSync(path, '', { mode: node.mode }); |
| 2361 | } |
| 2362 | } catch (e) { |
| 2363 | if (!e.code) throw e; |
| 2364 | throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2365 | } |
| 2366 | return node; |
| 2367 | },rename:function (oldNode, newDir, newName) { |
| 2368 | var oldPath = NODEFS.realPath(oldNode); |
| 2369 | var newPath = PATH.join2(NODEFS.realPath(newDir), newName); |
| 2370 | try { |
| 2371 | fs.renameSync(oldPath, newPath); |
| 2372 | } catch (e) { |
| 2373 | if (!e.code) throw e; |
| 2374 | throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2375 | } |
| 2376 | },unlink:function (parent, name) { |
| 2377 | var path = PATH.join2(NODEFS.realPath(parent), name); |
| 2378 | try { |
| 2379 | fs.unlinkSync(path); |
| 2380 | } catch (e) { |
| 2381 | if (!e.code) throw e; |
| 2382 | throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2383 | } |
| 2384 | },rmdir:function (parent, name) { |
| 2385 | var path = PATH.join2(NODEFS.realPath(parent), name); |
| 2386 | try { |
| 2387 | fs.rmdirSync(path); |
| 2388 | } catch (e) { |
| 2389 | if (!e.code) throw e; |
| 2390 | throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2391 | } |
| 2392 | },readdir:function (node) { |
| 2393 | var path = NODEFS.realPath(node); |
| 2394 | try { |
| 2395 | return fs.readdirSync(path); |
| 2396 | } catch (e) { |
| 2397 | if (!e.code) throw e; |
| 2398 | throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2399 | } |
| 2400 | },symlink:function (parent, newName, oldPath) { |
| 2401 | var newPath = PATH.join2(NODEFS.realPath(parent), newName); |
| 2402 | try { |
| 2403 | fs.symlinkSync(oldPath, newPath); |
| 2404 | } catch (e) { |
| 2405 | if (!e.code) throw e; |
| 2406 | throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2407 | } |
| 2408 | },readlink:function (node) { |
| 2409 | var path = NODEFS.realPath(node); |
| 2410 | try { |
| 2411 | return fs.readlinkSync(path); |
| 2412 | } catch (e) { |
| 2413 | if (!e.code) throw e; |
| 2414 | throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2415 | } |
| 2416 | }},stream_ops:{open:function (stream) { |
| 2417 | var path = NODEFS.realPath(stream.node); |
| 2418 | try { |
| 2419 | if (FS.isFile(stream.node.mode)) { |
| 2420 | stream.nfd = fs.openSync(path, NODEFS.flagsToPermissionString(stream.flags)); |
| 2421 | } |
| 2422 | } catch (e) { |
| 2423 | if (!e.code) throw e; |
| 2424 | throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2425 | } |
| 2426 | },close:function (stream) { |
| 2427 | try { |
| 2428 | if (FS.isFile(stream.node.mode) && stream.nfd) { |
| 2429 | fs.closeSync(stream.nfd); |
| 2430 | } |
| 2431 | } catch (e) { |
| 2432 | if (!e.code) throw e; |
| 2433 | throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2434 | } |
| 2435 | },read:function (stream, buffer, offset, length, position) { |
| 2436 | // FIXME this is terrible. |
| 2437 | var nbuffer = Buffer.alloc(length); |
| 2438 | var res; |
| 2439 | try { |
| 2440 | res = fs.readSync(stream.nfd, nbuffer, 0, length, position); |
| 2441 | } catch (e) { |
| 2442 | throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2443 | } |
| 2444 | if (res > 0) { |
| 2445 | for (var i = 0; i < res; i++) { |
| 2446 | buffer[offset + i] = nbuffer[i]; |
| 2447 | } |
| 2448 | } |
| 2449 | return res; |
| 2450 | },write:function (stream, buffer, offset, length, position) { |
| 2451 | // FIXME this is terrible. |
| 2452 | var nbuffer = Buffer.alloc(buffer.subarray(offset, offset + length)); |
| 2453 | var res; |
| 2454 | try { |
| 2455 | res = fs.writeSync(stream.nfd, nbuffer, 0, length, position); |
| 2456 | } catch (e) { |
| 2457 | throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2458 | } |
| 2459 | return res; |
| 2460 | },llseek:function (stream, offset, whence) { |
| 2461 | var position = offset; |
| 2462 | if (whence === 1) { // SEEK_CUR. |
| 2463 | position += stream.position; |
| 2464 | } else if (whence === 2) { // SEEK_END. |
| 2465 | if (FS.isFile(stream.node.mode)) { |
| 2466 | try { |
| 2467 | var stat = fs.fstatSync(stream.nfd); |
| 2468 | position += stat.size; |
| 2469 | } catch (e) { |
| 2470 | throw new FS.ErrnoError(ERRNO_CODES[e.code]); |
| 2471 | } |
| 2472 | } |
| 2473 | } |
| 2474 | |
| 2475 | if (position < 0) { |
| 2476 | throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 2477 | } |
| 2478 | |
| 2479 | stream.position = position; |
| 2480 | return position; |
| 2481 | }}}; |
| 2482 | |
| 2483 | var _stdin=allocate(1, "i32*", ALLOC_STATIC); |
| 2484 | |
| 2485 | var _stdout=allocate(1, "i32*", ALLOC_STATIC); |
| 2486 | |
| 2487 | var _stderr=allocate(1, "i32*", ALLOC_STATIC); |
| 2488 | |
| 2489 | function _fflush(stream) { |
| 2490 | // int fflush(FILE *stream); |
| 2491 | // http://pubs.opengroup.org/onlinepubs/000095399/functions/fflush.html |
| 2492 | // we don't currently perform any user-space buffering of data |
| 2493 | }var FS={root:null,mounts:[],devices:[null],streams:[null],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:null,genericErrors:{},handleFSError:function (e) { |
| 2494 | if (!(e instanceof FS.ErrnoError)) throw e + ' : ' + stackTrace(); |
| 2495 | return ___setErrNo(e.errno); |
| 2496 | },lookupPath:function (path, opts) { |
| 2497 | path = PATH.resolve(FS.cwd(), path); |
| 2498 | opts = opts || { recurse_count: 0 }; |
| 2499 | |
| 2500 | if (opts.recurse_count > 8) { // max recursive lookup of 8 |
| 2501 | throw new FS.ErrnoError(ERRNO_CODES.ELOOP); |
| 2502 | } |
| 2503 | |
| 2504 | // split the path |
| 2505 | var parts = PATH.normalizeArray(path.split('/').filter(function(p) { |
| 2506 | return !!p; |
| 2507 | }), false); |
| 2508 | |
| 2509 | // start at the root |
| 2510 | var current = FS.root; |
| 2511 | var current_path = '/'; |
| 2512 | |
| 2513 | for (var i = 0; i < parts.length; i++) { |
| 2514 | var islast = (i === parts.length-1); |
| 2515 | if (islast && opts.parent) { |
| 2516 | // stop resolving |
| 2517 | break; |
| 2518 | } |
| 2519 | |
| 2520 | current = FS.lookupNode(current, parts[i]); |
| 2521 | current_path = PATH.join2(current_path, parts[i]); |
| 2522 | |
| 2523 | // jump to the mount's root node if this is a mountpoint |
| 2524 | if (FS.isMountpoint(current)) { |
| 2525 | current = current.mount.root; |
| 2526 | } |
| 2527 | |
| 2528 | // follow symlinks |
| 2529 | // by default, lookupPath will not follow a symlink if it is the final path component. |
| 2530 | // setting opts.follow = true will override this behavior. |
| 2531 | if (!islast || opts.follow) { |
| 2532 | var count = 0; |
| 2533 | while (FS.isLink(current.mode)) { |
| 2534 | var link = FS.readlink(current_path); |
| 2535 | current_path = PATH.resolve(PATH.dirname(current_path), link); |
| 2536 | |
| 2537 | var lookup = FS.lookupPath(current_path, { recurse_count: opts.recurse_count }); |
| 2538 | current = lookup.node; |
| 2539 | |
| 2540 | if (count++ > 40) { // limit max consecutive symlinks to 40 (SYMLOOP_MAX). |
| 2541 | throw new FS.ErrnoError(ERRNO_CODES.ELOOP); |
| 2542 | } |
| 2543 | } |
| 2544 | } |
| 2545 | } |
| 2546 | |
| 2547 | return { path: current_path, node: current }; |
| 2548 | },getPath:function (node) { |
| 2549 | var path; |
| 2550 | while (true) { |
| 2551 | if (FS.isRoot(node)) { |
| 2552 | var mount = node.mount.mountpoint; |
| 2553 | if (!path) return mount; |
| 2554 | return mount[mount.length-1] !== '/' ? mount + '/' + path : mount + path; |
| 2555 | } |
| 2556 | path = path ? node.name + '/' + path : node.name; |
| 2557 | node = node.parent; |
| 2558 | } |
| 2559 | },hashName:function (parentid, name) { |
| 2560 | var hash = 0; |
| 2561 | |
| 2562 | |
| 2563 | for (var i = 0; i < name.length; i++) { |
| 2564 | hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0; |
| 2565 | } |
| 2566 | return ((parentid + hash) >>> 0) % FS.nameTable.length; |
| 2567 | },hashAddNode:function (node) { |
| 2568 | var hash = FS.hashName(node.parent.id, node.name); |
| 2569 | node.name_next = FS.nameTable[hash]; |
| 2570 | FS.nameTable[hash] = node; |
| 2571 | },hashRemoveNode:function (node) { |
| 2572 | var hash = FS.hashName(node.parent.id, node.name); |
| 2573 | if (FS.nameTable[hash] === node) { |
| 2574 | FS.nameTable[hash] = node.name_next; |
| 2575 | } else { |
| 2576 | var current = FS.nameTable[hash]; |
| 2577 | while (current) { |
| 2578 | if (current.name_next === node) { |
| 2579 | current.name_next = node.name_next; |
| 2580 | break; |
| 2581 | } |
| 2582 | current = current.name_next; |
| 2583 | } |
| 2584 | } |
| 2585 | },lookupNode:function (parent, name) { |
| 2586 | var err = FS.mayLookup(parent); |
| 2587 | if (err) { |
| 2588 | throw new FS.ErrnoError(err); |
| 2589 | } |
| 2590 | var hash = FS.hashName(parent.id, name); |
| 2591 | for (var node = FS.nameTable[hash]; node; node = node.name_next) { |
| 2592 | var nodeName = node.name; |
| 2593 | if (node.parent.id === parent.id && nodeName === name) { |
| 2594 | return node; |
| 2595 | } |
| 2596 | } |
| 2597 | // if we failed to find it in the cache, call into the VFS |
| 2598 | return FS.lookup(parent, name); |
| 2599 | },createNode:function (parent, name, mode, rdev) { |
| 2600 | if (!FS.FSNode) { |
| 2601 | FS.FSNode = function(parent, name, mode, rdev) { |
| 2602 | this.id = FS.nextInode++; |
| 2603 | this.name = name; |
| 2604 | this.mode = mode; |
| 2605 | this.node_ops = {}; |
| 2606 | this.stream_ops = {}; |
| 2607 | this.rdev = rdev; |
| 2608 | this.parent = null; |
| 2609 | this.mount = null; |
| 2610 | if (!parent) { |
| 2611 | parent = this; // root node sets parent to itself |
| 2612 | } |
| 2613 | this.parent = parent; |
| 2614 | this.mount = parent.mount; |
| 2615 | FS.hashAddNode(this); |
| 2616 | }; |
| 2617 | |
| 2618 | // compatibility |
| 2619 | var readMode = 292 | 73; |
| 2620 | var writeMode = 146; |
| 2621 | |
| 2622 | FS.FSNode.prototype = {}; |
| 2623 | |
| 2624 | // NOTE we must use Object.defineProperties instead of individual calls to |
| 2625 | // Object.defineProperty in order to make closure compiler happy |
| 2626 | Object.defineProperties(FS.FSNode.prototype, { |
| 2627 | read: { |
| 2628 | get: function() { return (this.mode & readMode) === readMode; }, |
| 2629 | set: function(val) { val ? this.mode |= readMode : this.mode &= ~readMode; } |
| 2630 | }, |
| 2631 | write: { |
| 2632 | get: function() { return (this.mode & writeMode) === writeMode; }, |
| 2633 | set: function(val) { val ? this.mode |= writeMode : this.mode &= ~writeMode; } |
| 2634 | }, |
| 2635 | isFolder: { |
| 2636 | get: function() { return FS.isDir(this.mode); }, |
| 2637 | }, |
| 2638 | isDevice: { |
| 2639 | get: function() { return FS.isChrdev(this.mode); }, |
| 2640 | }, |
| 2641 | }); |
| 2642 | } |
| 2643 | return new FS.FSNode(parent, name, mode, rdev); |
| 2644 | },destroyNode:function (node) { |
| 2645 | FS.hashRemoveNode(node); |
| 2646 | },isRoot:function (node) { |
| 2647 | return node === node.parent; |
| 2648 | },isMountpoint:function (node) { |
| 2649 | return node.mounted; |
| 2650 | },isFile:function (mode) { |
| 2651 | return (mode & 61440) === 32768; |
| 2652 | },isDir:function (mode) { |
| 2653 | return (mode & 61440) === 16384; |
| 2654 | },isLink:function (mode) { |
| 2655 | return (mode & 61440) === 40960; |
| 2656 | },isChrdev:function (mode) { |
| 2657 | return (mode & 61440) === 8192; |
| 2658 | },isBlkdev:function (mode) { |
| 2659 | return (mode & 61440) === 24576; |
| 2660 | },isFIFO:function (mode) { |
| 2661 | return (mode & 61440) === 4096; |
| 2662 | },isSocket:function (mode) { |
| 2663 | return (mode & 49152) === 49152; |
| 2664 | },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) { |
| 2665 | var flags = FS.flagModes[str]; |
| 2666 | if (typeof flags === 'undefined') { |
| 2667 | throw new Error('Unknown file open mode: ' + str); |
| 2668 | } |
| 2669 | return flags; |
| 2670 | },flagsToPermissionString:function (flag) { |
| 2671 | var accmode = flag & 2097155; |
| 2672 | var perms = ['r', 'w', 'rw'][accmode]; |
| 2673 | if ((flag & 512)) { |
| 2674 | perms += 'w'; |
| 2675 | } |
| 2676 | return perms; |
| 2677 | },nodePermissions:function (node, perms) { |
| 2678 | if (FS.ignorePermissions) { |
| 2679 | return 0; |
| 2680 | } |
| 2681 | // return 0 if any user, group or owner bits are set. |
| 2682 | if (perms.indexOf('r') !== -1 && !(node.mode & 292)) { |
| 2683 | return ERRNO_CODES.EACCES; |
| 2684 | } else if (perms.indexOf('w') !== -1 && !(node.mode & 146)) { |
| 2685 | return ERRNO_CODES.EACCES; |
| 2686 | } else if (perms.indexOf('x') !== -1 && !(node.mode & 73)) { |
| 2687 | return ERRNO_CODES.EACCES; |
| 2688 | } |
| 2689 | return 0; |
| 2690 | },mayLookup:function (dir) { |
| 2691 | return FS.nodePermissions(dir, 'x'); |
| 2692 | },mayCreate:function (dir, name) { |
| 2693 | try { |
| 2694 | var node = FS.lookupNode(dir, name); |
| 2695 | return ERRNO_CODES.EEXIST; |
| 2696 | } catch (e) { |
| 2697 | } |
| 2698 | return FS.nodePermissions(dir, 'wx'); |
| 2699 | },mayDelete:function (dir, name, isdir) { |
| 2700 | var node; |
| 2701 | try { |
| 2702 | node = FS.lookupNode(dir, name); |
| 2703 | } catch (e) { |
| 2704 | return e.errno; |
| 2705 | } |
| 2706 | var err = FS.nodePermissions(dir, 'wx'); |
| 2707 | if (err) { |
| 2708 | return err; |
| 2709 | } |
| 2710 | if (isdir) { |
| 2711 | if (!FS.isDir(node.mode)) { |
| 2712 | return ERRNO_CODES.ENOTDIR; |
| 2713 | } |
| 2714 | if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) { |
| 2715 | return ERRNO_CODES.EBUSY; |
| 2716 | } |
| 2717 | } else { |
| 2718 | if (FS.isDir(node.mode)) { |
| 2719 | return ERRNO_CODES.EISDIR; |
| 2720 | } |
| 2721 | } |
| 2722 | return 0; |
| 2723 | },mayOpen:function (node, flags) { |
| 2724 | if (!node) { |
| 2725 | return ERRNO_CODES.ENOENT; |
| 2726 | } |
| 2727 | if (FS.isLink(node.mode)) { |
| 2728 | return ERRNO_CODES.ELOOP; |
| 2729 | } else if (FS.isDir(node.mode)) { |
| 2730 | if ((flags & 2097155) !== 0 || // opening for write |
| 2731 | (flags & 512)) { |
| 2732 | return ERRNO_CODES.EISDIR; |
| 2733 | } |
| 2734 | } |
| 2735 | return FS.nodePermissions(node, FS.flagsToPermissionString(flags)); |
| 2736 | },MAX_OPEN_FDS:4096,nextfd:function (fd_start, fd_end) { |
| 2737 | fd_start = fd_start || 1; |
| 2738 | fd_end = fd_end || FS.MAX_OPEN_FDS; |
| 2739 | for (var fd = fd_start; fd <= fd_end; fd++) { |
| 2740 | if (!FS.streams[fd]) { |
| 2741 | return fd; |
| 2742 | } |
| 2743 | } |
| 2744 | throw new FS.ErrnoError(ERRNO_CODES.EMFILE); |
| 2745 | },getStream:function (fd) { |
| 2746 | return FS.streams[fd]; |
| 2747 | },createStream:function (stream, fd_start, fd_end) { |
| 2748 | if (!FS.FSStream) { |
| 2749 | FS.FSStream = function(){}; |
| 2750 | FS.FSStream.prototype = {}; |
| 2751 | // compatibility |
| 2752 | Object.defineProperties(FS.FSStream.prototype, { |
| 2753 | object: { |
| 2754 | get: function() { return this.node; }, |
| 2755 | set: function(val) { this.node = val; } |
| 2756 | }, |
| 2757 | isRead: { |
| 2758 | get: function() { return (this.flags & 2097155) !== 1; } |
| 2759 | }, |
| 2760 | isWrite: { |
| 2761 | get: function() { return (this.flags & 2097155) !== 0; } |
| 2762 | }, |
| 2763 | isAppend: { |
| 2764 | get: function() { return (this.flags & 1024); } |
| 2765 | } |
| 2766 | }); |
| 2767 | } |
| 2768 | if (stream.__proto__) { |
| 2769 | // reuse the object |
| 2770 | stream.__proto__ = FS.FSStream.prototype; |
| 2771 | } else { |
| 2772 | var newStream = new FS.FSStream(); |
| 2773 | for (var p in stream) { |
| 2774 | newStream[p] = stream[p]; |
| 2775 | } |
| 2776 | stream = newStream; |
| 2777 | } |
| 2778 | var fd = FS.nextfd(fd_start, fd_end); |
| 2779 | stream.fd = fd; |
| 2780 | FS.streams[fd] = stream; |
| 2781 | return stream; |
| 2782 | },closeStream:function (fd) { |
| 2783 | FS.streams[fd] = null; |
| 2784 | },chrdev_stream_ops:{open:function (stream) { |
| 2785 | var device = FS.getDevice(stream.node.rdev); |
| 2786 | // override node's stream ops with the device's |
| 2787 | stream.stream_ops = device.stream_ops; |
| 2788 | // forward the open call |
| 2789 | if (stream.stream_ops.open) { |
| 2790 | stream.stream_ops.open(stream); |
| 2791 | } |
| 2792 | },llseek:function () { |
| 2793 | throw new FS.ErrnoError(ERRNO_CODES.ESPIPE); |
| 2794 | }},major:function (dev) { |
| 2795 | return ((dev) >> 8); |
| 2796 | },minor:function (dev) { |
| 2797 | return ((dev) & 0xff); |
| 2798 | },makedev:function (ma, mi) { |
| 2799 | return ((ma) << 8 | (mi)); |
| 2800 | },registerDevice:function (dev, ops) { |
| 2801 | FS.devices[dev] = { stream_ops: ops }; |
| 2802 | },getDevice:function (dev) { |
| 2803 | return FS.devices[dev]; |
| 2804 | },syncfs:function (populate, callback) { |
| 2805 | if (typeof(populate) === 'function') { |
| 2806 | callback = populate; |
| 2807 | populate = false; |
| 2808 | } |
| 2809 | |
| 2810 | var completed = 0; |
| 2811 | var total = FS.mounts.length; |
| 2812 | function done(err) { |
| 2813 | if (err) { |
| 2814 | return callback(err); |
| 2815 | } |
| 2816 | if (++completed >= total) { |
| 2817 | callback(null); |
| 2818 | } |
| 2819 | }; |
| 2820 | |
| 2821 | // sync all mounts |
| 2822 | for (var i = 0; i < FS.mounts.length; i++) { |
| 2823 | var mount = FS.mounts[i]; |
| 2824 | if (!mount.type.syncfs) { |
| 2825 | done(null); |
| 2826 | continue; |
| 2827 | } |
| 2828 | mount.type.syncfs(mount, populate, done); |
| 2829 | } |
| 2830 | },mount:function (type, opts, mountpoint) { |
| 2831 | var lookup; |
| 2832 | if (mountpoint) { |
| 2833 | lookup = FS.lookupPath(mountpoint, { follow: false }); |
| 2834 | mountpoint = lookup.path; // use the absolute path |
| 2835 | } |
| 2836 | var mount = { |
| 2837 | type: type, |
| 2838 | opts: opts, |
| 2839 | mountpoint: mountpoint, |
| 2840 | root: null |
| 2841 | }; |
| 2842 | // create a root node for the fs |
| 2843 | var root = type.mount(mount); |
| 2844 | root.mount = mount; |
| 2845 | mount.root = root; |
| 2846 | // assign the mount info to the mountpoint's node |
| 2847 | if (lookup) { |
| 2848 | lookup.node.mount = mount; |
| 2849 | lookup.node.mounted = true; |
| 2850 | // compatibility update FS.root if we mount to / |
| 2851 | if (mountpoint === '/') { |
| 2852 | FS.root = mount.root; |
| 2853 | } |
| 2854 | } |
| 2855 | // add to our cached list of mounts |
| 2856 | FS.mounts.push(mount); |
| 2857 | return root; |
| 2858 | },lookup:function (parent, name) { |
| 2859 | return parent.node_ops.lookup(parent, name); |
| 2860 | },mknod:function (path, mode, dev) { |
| 2861 | var lookup = FS.lookupPath(path, { parent: true }); |
| 2862 | var parent = lookup.node; |
| 2863 | var name = PATH.basename(path); |
| 2864 | var err = FS.mayCreate(parent, name); |
| 2865 | if (err) { |
| 2866 | throw new FS.ErrnoError(err); |
| 2867 | } |
| 2868 | if (!parent.node_ops.mknod) { |
| 2869 | throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 2870 | } |
| 2871 | return parent.node_ops.mknod(parent, name, mode, dev); |
| 2872 | },create:function (path, mode) { |
| 2873 | mode = mode !== undefined ? mode : 0666; |
| 2874 | mode &= 4095; |
| 2875 | mode |= 32768; |
| 2876 | return FS.mknod(path, mode, 0); |
| 2877 | },mkdir:function (path, mode) { |
| 2878 | mode = mode !== undefined ? mode : 0777; |
| 2879 | mode &= 511 | 512; |
| 2880 | mode |= 16384; |
| 2881 | return FS.mknod(path, mode, 0); |
| 2882 | },mkdev:function (path, mode, dev) { |
| 2883 | if (typeof(dev) === 'undefined') { |
| 2884 | dev = mode; |
| 2885 | mode = 0666; |
| 2886 | } |
| 2887 | mode |= 8192; |
| 2888 | return FS.mknod(path, mode, dev); |
| 2889 | },symlink:function (oldpath, newpath) { |
| 2890 | var lookup = FS.lookupPath(newpath, { parent: true }); |
| 2891 | var parent = lookup.node; |
| 2892 | var newname = PATH.basename(newpath); |
| 2893 | var err = FS.mayCreate(parent, newname); |
| 2894 | if (err) { |
| 2895 | throw new FS.ErrnoError(err); |
| 2896 | } |
| 2897 | if (!parent.node_ops.symlink) { |
| 2898 | throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 2899 | } |
| 2900 | return parent.node_ops.symlink(parent, newname, oldpath); |
| 2901 | },rename:function (old_path, new_path) { |
| 2902 | var old_dirname = PATH.dirname(old_path); |
| 2903 | var new_dirname = PATH.dirname(new_path); |
| 2904 | var old_name = PATH.basename(old_path); |
| 2905 | var new_name = PATH.basename(new_path); |
| 2906 | // parents must exist |
| 2907 | var lookup, old_dir, new_dir; |
| 2908 | try { |
| 2909 | lookup = FS.lookupPath(old_path, { parent: true }); |
| 2910 | old_dir = lookup.node; |
| 2911 | lookup = FS.lookupPath(new_path, { parent: true }); |
| 2912 | new_dir = lookup.node; |
| 2913 | } catch (e) { |
| 2914 | throw new FS.ErrnoError(ERRNO_CODES.EBUSY); |
| 2915 | } |
| 2916 | // need to be part of the same mount |
| 2917 | if (old_dir.mount !== new_dir.mount) { |
| 2918 | throw new FS.ErrnoError(ERRNO_CODES.EXDEV); |
| 2919 | } |
| 2920 | // source must exist |
| 2921 | var old_node = FS.lookupNode(old_dir, old_name); |
| 2922 | // old path should not be an ancestor of the new path |
| 2923 | var relative = PATH.relative(old_path, new_dirname); |
| 2924 | if (relative.charAt(0) !== '.') { |
| 2925 | throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 2926 | } |
| 2927 | // new path should not be an ancestor of the old path |
| 2928 | relative = PATH.relative(new_path, old_dirname); |
| 2929 | if (relative.charAt(0) !== '.') { |
| 2930 | throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY); |
| 2931 | } |
| 2932 | // see if the new path already exists |
| 2933 | var new_node; |
| 2934 | try { |
| 2935 | new_node = FS.lookupNode(new_dir, new_name); |
| 2936 | } catch (e) { |
| 2937 | // not fatal |
| 2938 | } |
| 2939 | // early out if nothing needs to change |
| 2940 | if (old_node === new_node) { |
| 2941 | return; |
| 2942 | } |
| 2943 | // we'll need to delete the old entry |
| 2944 | var isdir = FS.isDir(old_node.mode); |
| 2945 | var err = FS.mayDelete(old_dir, old_name, isdir); |
| 2946 | if (err) { |
| 2947 | throw new FS.ErrnoError(err); |
| 2948 | } |
| 2949 | // need delete permissions if we'll be overwriting. |
| 2950 | // need create permissions if new doesn't already exist. |
| 2951 | err = new_node ? |
| 2952 | FS.mayDelete(new_dir, new_name, isdir) : |
| 2953 | FS.mayCreate(new_dir, new_name); |
| 2954 | if (err) { |
| 2955 | throw new FS.ErrnoError(err); |
| 2956 | } |
| 2957 | if (!old_dir.node_ops.rename) { |
| 2958 | throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 2959 | } |
| 2960 | if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) { |
| 2961 | throw new FS.ErrnoError(ERRNO_CODES.EBUSY); |
| 2962 | } |
| 2963 | // if we are going to change the parent, check write permissions |
| 2964 | if (new_dir !== old_dir) { |
| 2965 | err = FS.nodePermissions(old_dir, 'w'); |
| 2966 | if (err) { |
| 2967 | throw new FS.ErrnoError(err); |
| 2968 | } |
| 2969 | } |
| 2970 | // remove the node from the lookup hash |
| 2971 | FS.hashRemoveNode(old_node); |
| 2972 | // do the underlying fs rename |
| 2973 | try { |
| 2974 | old_dir.node_ops.rename(old_node, new_dir, new_name); |
| 2975 | } catch (e) { |
| 2976 | throw e; |
| 2977 | } finally { |
| 2978 | // add the node back to the hash (in case node_ops.rename |
| 2979 | // changed its name) |
| 2980 | FS.hashAddNode(old_node); |
| 2981 | } |
| 2982 | },rmdir:function (path) { |
| 2983 | var lookup = FS.lookupPath(path, { parent: true }); |
| 2984 | var parent = lookup.node; |
| 2985 | var name = PATH.basename(path); |
| 2986 | var node = FS.lookupNode(parent, name); |
| 2987 | var err = FS.mayDelete(parent, name, true); |
| 2988 | if (err) { |
| 2989 | throw new FS.ErrnoError(err); |
| 2990 | } |
| 2991 | if (!parent.node_ops.rmdir) { |
| 2992 | throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 2993 | } |
| 2994 | if (FS.isMountpoint(node)) { |
| 2995 | throw new FS.ErrnoError(ERRNO_CODES.EBUSY); |
| 2996 | } |
| 2997 | parent.node_ops.rmdir(parent, name); |
| 2998 | FS.destroyNode(node); |
| 2999 | },readdir:function (path) { |
| 3000 | var lookup = FS.lookupPath(path, { follow: true }); |
| 3001 | var node = lookup.node; |
| 3002 | if (!node.node_ops.readdir) { |
| 3003 | throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR); |
| 3004 | } |
| 3005 | return node.node_ops.readdir(node); |
| 3006 | },unlink:function (path) { |
| 3007 | var lookup = FS.lookupPath(path, { parent: true }); |
| 3008 | var parent = lookup.node; |
| 3009 | var name = PATH.basename(path); |
| 3010 | var node = FS.lookupNode(parent, name); |
| 3011 | var err = FS.mayDelete(parent, name, false); |
| 3012 | if (err) { |
| 3013 | // POSIX says unlink should set EPERM, not EISDIR |
| 3014 | if (err === ERRNO_CODES.EISDIR) err = ERRNO_CODES.EPERM; |
| 3015 | throw new FS.ErrnoError(err); |
| 3016 | } |
| 3017 | if (!parent.node_ops.unlink) { |
| 3018 | throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 3019 | } |
| 3020 | if (FS.isMountpoint(node)) { |
| 3021 | throw new FS.ErrnoError(ERRNO_CODES.EBUSY); |
| 3022 | } |
| 3023 | parent.node_ops.unlink(parent, name); |
| 3024 | FS.destroyNode(node); |
| 3025 | },readlink:function (path) { |
| 3026 | var lookup = FS.lookupPath(path, { follow: false }); |
| 3027 | var link = lookup.node; |
| 3028 | if (!link.node_ops.readlink) { |
| 3029 | throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3030 | } |
| 3031 | return link.node_ops.readlink(link); |
| 3032 | },stat:function (path, dontFollow) { |
| 3033 | var lookup = FS.lookupPath(path, { follow: !dontFollow }); |
| 3034 | var node = lookup.node; |
| 3035 | if (!node.node_ops.getattr) { |
| 3036 | throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 3037 | } |
| 3038 | return node.node_ops.getattr(node); |
| 3039 | },lstat:function (path) { |
| 3040 | return FS.stat(path, true); |
| 3041 | },chmod:function (path, mode, dontFollow) { |
| 3042 | var node; |
| 3043 | if (typeof path === 'string') { |
| 3044 | var lookup = FS.lookupPath(path, { follow: !dontFollow }); |
| 3045 | node = lookup.node; |
| 3046 | } else { |
| 3047 | node = path; |
| 3048 | } |
| 3049 | if (!node.node_ops.setattr) { |
| 3050 | throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 3051 | } |
| 3052 | node.node_ops.setattr(node, { |
| 3053 | mode: (mode & 4095) | (node.mode & ~4095), |
| 3054 | timestamp: Date.now() |
| 3055 | }); |
| 3056 | },lchmod:function (path, mode) { |
| 3057 | FS.chmod(path, mode, true); |
| 3058 | },fchmod:function (fd, mode) { |
| 3059 | var stream = FS.getStream(fd); |
| 3060 | if (!stream) { |
| 3061 | throw new FS.ErrnoError(ERRNO_CODES.EBADF); |
| 3062 | } |
| 3063 | FS.chmod(stream.node, mode); |
| 3064 | },chown:function (path, uid, gid, dontFollow) { |
| 3065 | var node; |
| 3066 | if (typeof path === 'string') { |
| 3067 | var lookup = FS.lookupPath(path, { follow: !dontFollow }); |
| 3068 | node = lookup.node; |
| 3069 | } else { |
| 3070 | node = path; |
| 3071 | } |
| 3072 | if (!node.node_ops.setattr) { |
| 3073 | throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 3074 | } |
| 3075 | node.node_ops.setattr(node, { |
| 3076 | timestamp: Date.now() |
| 3077 | // we ignore the uid / gid for now |
| 3078 | }); |
| 3079 | },lchown:function (path, uid, gid) { |
| 3080 | FS.chown(path, uid, gid, true); |
| 3081 | },fchown:function (fd, uid, gid) { |
| 3082 | var stream = FS.getStream(fd); |
| 3083 | if (!stream) { |
| 3084 | throw new FS.ErrnoError(ERRNO_CODES.EBADF); |
| 3085 | } |
| 3086 | FS.chown(stream.node, uid, gid); |
| 3087 | },truncate:function (path, len) { |
| 3088 | if (len < 0) { |
| 3089 | throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3090 | } |
| 3091 | var node; |
| 3092 | if (typeof path === 'string') { |
| 3093 | var lookup = FS.lookupPath(path, { follow: true }); |
| 3094 | node = lookup.node; |
| 3095 | } else { |
| 3096 | node = path; |
| 3097 | } |
| 3098 | if (!node.node_ops.setattr) { |
| 3099 | throw new FS.ErrnoError(ERRNO_CODES.EPERM); |
| 3100 | } |
| 3101 | if (FS.isDir(node.mode)) { |
| 3102 | throw new FS.ErrnoError(ERRNO_CODES.EISDIR); |
| 3103 | } |
| 3104 | if (!FS.isFile(node.mode)) { |
| 3105 | throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3106 | } |
| 3107 | var err = FS.nodePermissions(node, 'w'); |
| 3108 | if (err) { |
| 3109 | throw new FS.ErrnoError(err); |
| 3110 | } |
| 3111 | node.node_ops.setattr(node, { |
| 3112 | size: len, |
| 3113 | timestamp: Date.now() |
| 3114 | }); |
| 3115 | },ftruncate:function (fd, len) { |
| 3116 | var stream = FS.getStream(fd); |
| 3117 | if (!stream) { |
| 3118 | throw new FS.ErrnoError(ERRNO_CODES.EBADF); |
| 3119 | } |
| 3120 | if ((stream.flags & 2097155) === 0) { |
| 3121 | throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3122 | } |
| 3123 | FS.truncate(stream.node, len); |
| 3124 | },utime:function (path, atime, mtime) { |
| 3125 | var lookup = FS.lookupPath(path, { follow: true }); |
| 3126 | var node = lookup.node; |
| 3127 | node.node_ops.setattr(node, { |
| 3128 | timestamp: Math.max(atime, mtime) |
| 3129 | }); |
| 3130 | },open:function (path, flags, mode, fd_start, fd_end) { |
| 3131 | flags = typeof flags === 'string' ? FS.modeStringToFlags(flags) : flags; |
| 3132 | mode = typeof mode === 'undefined' ? 0666 : mode; |
| 3133 | if ((flags & 64)) { |
| 3134 | mode = (mode & 4095) | 32768; |
| 3135 | } else { |
| 3136 | mode = 0; |
| 3137 | } |
| 3138 | var node; |
| 3139 | if (typeof path === 'object') { |
| 3140 | node = path; |
| 3141 | } else { |
| 3142 | path = PATH.normalize(path); |
| 3143 | try { |
| 3144 | var lookup = FS.lookupPath(path, { |
| 3145 | follow: !(flags & 131072) |
| 3146 | }); |
| 3147 | node = lookup.node; |
| 3148 | } catch (e) { |
| 3149 | // ignore |
| 3150 | } |
| 3151 | } |
| 3152 | // perhaps we need to create the node |
| 3153 | if ((flags & 64)) { |
| 3154 | if (node) { |
| 3155 | // if O_CREAT and O_EXCL are set, error out if the node already exists |
| 3156 | if ((flags & 128)) { |
| 3157 | throw new FS.ErrnoError(ERRNO_CODES.EEXIST); |
| 3158 | } |
| 3159 | } else { |
| 3160 | // node doesn't exist, try to create it |
| 3161 | node = FS.mknod(path, mode, 0); |
| 3162 | } |
| 3163 | } |
| 3164 | if (!node) { |
| 3165 | throw new FS.ErrnoError(ERRNO_CODES.ENOENT); |
| 3166 | } |
| 3167 | // can't truncate a device |
| 3168 | if (FS.isChrdev(node.mode)) { |
| 3169 | flags &= ~512; |
| 3170 | } |
| 3171 | // check permissions |
| 3172 | var err = FS.mayOpen(node, flags); |
| 3173 | if (err) { |
| 3174 | throw new FS.ErrnoError(err); |
| 3175 | } |
| 3176 | // do truncation if necessary |
| 3177 | if ((flags & 512)) { |
| 3178 | FS.truncate(node, 0); |
| 3179 | } |
| 3180 | // we've already handled these, don't pass down to the underlying vfs |
| 3181 | flags &= ~(128 | 512); |
| 3182 | |
| 3183 | // register the stream with the filesystem |
| 3184 | var stream = FS.createStream({ |
| 3185 | node: node, |
| 3186 | path: FS.getPath(node), // we want the absolute path to the node |
| 3187 | flags: flags, |
| 3188 | seekable: true, |
| 3189 | position: 0, |
| 3190 | stream_ops: node.stream_ops, |
| 3191 | // used by the file family libc calls (fopen, fwrite, ferror, etc.) |
| 3192 | ungotten: [], |
| 3193 | error: false |
| 3194 | }, fd_start, fd_end); |
| 3195 | // call the new stream's open function |
| 3196 | if (stream.stream_ops.open) { |
| 3197 | stream.stream_ops.open(stream); |
| 3198 | } |
| 3199 | if (Module['logReadFiles'] && !(flags & 1)) { |
| 3200 | if (!FS.readFiles) FS.readFiles = {}; |
| 3201 | if (!(path in FS.readFiles)) { |
| 3202 | FS.readFiles[path] = 1; |
| 3203 | Module['printErr']('read file: ' + path); |
| 3204 | } |
| 3205 | } |
| 3206 | return stream; |
| 3207 | },close:function (stream) { |
| 3208 | try { |
| 3209 | if (stream.stream_ops.close) { |
| 3210 | stream.stream_ops.close(stream); |
| 3211 | } |
| 3212 | } catch (e) { |
| 3213 | throw e; |
| 3214 | } finally { |
| 3215 | FS.closeStream(stream.fd); |
| 3216 | } |
| 3217 | },llseek:function (stream, offset, whence) { |
| 3218 | if (!stream.seekable || !stream.stream_ops.llseek) { |
| 3219 | throw new FS.ErrnoError(ERRNO_CODES.ESPIPE); |
| 3220 | } |
| 3221 | return stream.stream_ops.llseek(stream, offset, whence); |
| 3222 | },read:function (stream, buffer, offset, length, position) { |
| 3223 | if (length < 0 || position < 0) { |
| 3224 | throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3225 | } |
| 3226 | if ((stream.flags & 2097155) === 1) { |
| 3227 | throw new FS.ErrnoError(ERRNO_CODES.EBADF); |
| 3228 | } |
| 3229 | if (FS.isDir(stream.node.mode)) { |
| 3230 | throw new FS.ErrnoError(ERRNO_CODES.EISDIR); |
| 3231 | } |
| 3232 | if (!stream.stream_ops.read) { |
| 3233 | throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3234 | } |
| 3235 | var seeking = true; |
| 3236 | if (typeof position === 'undefined') { |
| 3237 | position = stream.position; |
| 3238 | seeking = false; |
| 3239 | } else if (!stream.seekable) { |
| 3240 | throw new FS.ErrnoError(ERRNO_CODES.ESPIPE); |
| 3241 | } |
| 3242 | var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position); |
| 3243 | if (!seeking) stream.position += bytesRead; |
| 3244 | return bytesRead; |
| 3245 | },write:function (stream, buffer, offset, length, position, canOwn) { |
| 3246 | if (length < 0 || position < 0) { |
| 3247 | throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3248 | } |
| 3249 | if ((stream.flags & 2097155) === 0) { |
| 3250 | throw new FS.ErrnoError(ERRNO_CODES.EBADF); |
| 3251 | } |
| 3252 | if (FS.isDir(stream.node.mode)) { |
| 3253 | throw new FS.ErrnoError(ERRNO_CODES.EISDIR); |
| 3254 | } |
| 3255 | if (!stream.stream_ops.write) { |
| 3256 | throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3257 | } |
| 3258 | var seeking = true; |
| 3259 | if (typeof position === 'undefined') { |
| 3260 | position = stream.position; |
| 3261 | seeking = false; |
| 3262 | } else if (!stream.seekable) { |
| 3263 | throw new FS.ErrnoError(ERRNO_CODES.ESPIPE); |
| 3264 | } |
| 3265 | if (stream.flags & 1024) { |
| 3266 | // seek to the end before writing in append mode |
| 3267 | FS.llseek(stream, 0, 2); |
| 3268 | } |
| 3269 | var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn); |
| 3270 | if (!seeking) stream.position += bytesWritten; |
| 3271 | return bytesWritten; |
| 3272 | },allocate:function (stream, offset, length) { |
| 3273 | if (offset < 0 || length <= 0) { |
| 3274 | throw new FS.ErrnoError(ERRNO_CODES.EINVAL); |
| 3275 | } |
| 3276 | if ((stream.flags & 2097155) === 0) { |
| 3277 | throw new FS.ErrnoError(ERRNO_CODES.EBADF); |
| 3278 | } |
| 3279 | if (!FS.isFile(stream.node.mode) && !FS.isDir(node.mode)) { |
| 3280 | throw new FS.ErrnoError(ERRNO_CODES.ENODEV); |
| 3281 | } |
| 3282 | if (!stream.stream_ops.allocate) { |
| 3283 | throw new FS.ErrnoError(ERRNO_CODES.EOPNOTSUPP); |
| 3284 | } |
| 3285 | stream.stream_ops.allocate(stream, offset, length); |
| 3286 | },mmap:function (stream, buffer, offset, length, position, prot, flags) { |
| 3287 | // TODO if PROT is PROT_WRITE, make sure we have write access |
| 3288 | if ((stream.flags & 2097155) === 1) { |
| 3289 | throw new FS.ErrnoError(ERRNO_CODES.EACCES); |
| 3290 | } |
| 3291 | if (!stream.stream_ops.mmap) { |
| 3292 | throw new FS.ErrnoError(ERRNO_CODES.ENODEV); |
| 3293 | } |
| 3294 | return stream.stream_ops.mmap(stream, buffer, offset, length, position, prot, flags); |
| 3295 | },ioctl:function (stream, cmd, arg) { |
| 3296 | if (!stream.stream_ops.ioctl) { |
| 3297 | throw new FS.ErrnoError(ERRNO_CODES.ENOTTY); |
| 3298 | } |
| 3299 | return stream.stream_ops.ioctl(stream, cmd, arg); |
| 3300 | },readFile:function (path, opts) { |
| 3301 | opts = opts || {}; |
| 3302 | opts.flags = opts.flags || 'r'; |
| 3303 | opts.encoding = opts.encoding || 'binary'; |
| 3304 | var ret; |
| 3305 | var stream = FS.open(path, opts.flags); |
| 3306 | var stat = FS.stat(path); |
| 3307 | var length = stat.size; |
| 3308 | var buf = new Uint8Array(length); |
| 3309 | FS.read(stream, buf, 0, length, 0); |
| 3310 | if (opts.encoding === 'utf8') { |
| 3311 | ret = ''; |
| 3312 | var utf8 = new Runtime.UTF8Processor(); |
| 3313 | for (var i = 0; i < length; i++) { |
| 3314 | ret += utf8.processCChar(buf[i]); |
| 3315 | } |
| 3316 | } else if (opts.encoding === 'binary') { |
| 3317 | ret = buf; |
| 3318 | } else { |
| 3319 | throw new Error('Invalid encoding type "' + opts.encoding + '"'); |
| 3320 | } |
| 3321 | FS.close(stream); |
| 3322 | return ret; |
| 3323 | },writeFile:function (path, data, opts) { |
| 3324 | opts = opts || {}; |
| 3325 | opts.flags = opts.flags || 'w'; |
| 3326 | opts.encoding = opts.encoding || 'utf8'; |
| 3327 | var stream = FS.open(path, opts.flags, opts.mode); |
| 3328 | if (opts.encoding === 'utf8') { |
| 3329 | var utf8 = new Runtime.UTF8Processor(); |
| 3330 | var buf = new Uint8Array(utf8.processJSString(data)); |
| 3331 | FS.write(stream, buf, 0, buf.length, 0); |
| 3332 | } else if (opts.encoding === 'binary') { |
| 3333 | FS.write(stream, data, 0, data.length, 0); |
| 3334 | } else { |
| 3335 | throw new Error('Invalid encoding type "' + opts.encoding + '"'); |
| 3336 | } |
| 3337 | FS.close(stream); |
| 3338 | },cwd:function () { |
| 3339 | return FS.currentPath; |
| 3340 | },chdir:function (path) { |
| 3341 | var lookup = FS.lookupPath(path, { follow: true }); |
| 3342 | if (!FS.isDir(lookup.node.mode)) { |
| 3343 | throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR); |
| 3344 | } |
| 3345 | var err = FS.nodePermissions(lookup.node, 'x'); |
| 3346 | if (err) { |
| 3347 | throw new FS.ErrnoError(err); |
| 3348 | } |
| 3349 | FS.currentPath = lookup.path; |
| 3350 | },createDefaultDirectories:function () { |
| 3351 | FS.mkdir('/tmp'); |
| 3352 | },createDefaultDevices:function () { |
| 3353 | // create /dev |
| 3354 | FS.mkdir('/dev'); |
| 3355 | // setup /dev/null |
| 3356 | FS.registerDevice(FS.makedev(1, 3), { |
| 3357 | read: function() { return 0; }, |
| 3358 | write: function() { return 0; } |
| 3359 | }); |
| 3360 | FS.mkdev('/dev/null', FS.makedev(1, 3)); |
| 3361 | // setup /dev/tty and /dev/tty1 |
| 3362 | // stderr needs to print output using Module['printErr'] |
| 3363 | // so we register a second tty just for it. |
| 3364 | TTY.register(FS.makedev(5, 0), TTY.default_tty_ops); |
| 3365 | TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops); |
| 3366 | FS.mkdev('/dev/tty', FS.makedev(5, 0)); |
| 3367 | FS.mkdev('/dev/tty1', FS.makedev(6, 0)); |
| 3368 | // we're not going to emulate the actual shm device, |
| 3369 | // just create the tmp dirs that reside in it commonly |
| 3370 | FS.mkdir('/dev/shm'); |
| 3371 | FS.mkdir('/dev/shm/tmp'); |
| 3372 | },createStandardStreams:function () { |
| 3373 | // TODO deprecate the old functionality of a single |
| 3374 | // input / output callback and that utilizes FS.createDevice |
| 3375 | // and instead require a unique set of stream ops |
| 3376 | |
| 3377 | // by default, we symlink the standard streams to the |
| 3378 | // default tty devices. however, if the standard streams |
| 3379 | // have been overwritten we create a unique device for |
| 3380 | // them instead. |
| 3381 | if (Module['stdin']) { |
| 3382 | FS.createDevice('/dev', 'stdin', Module['stdin']); |
| 3383 | } else { |
| 3384 | FS.symlink('/dev/tty', '/dev/stdin'); |
| 3385 | } |
| 3386 | if (Module['stdout']) { |
| 3387 | FS.createDevice('/dev', 'stdout', null, Module['stdout']); |
| 3388 | } else { |
| 3389 | FS.symlink('/dev/tty', '/dev/stdout'); |
| 3390 | } |
| 3391 | if (Module['stderr']) { |
| 3392 | FS.createDevice('/dev', 'stderr', null, Module['stderr']); |
| 3393 | } else { |
| 3394 | FS.symlink('/dev/tty1', '/dev/stderr'); |
| 3395 | } |
| 3396 | |
| 3397 | // open default streams for the stdin, stdout and stderr devices |
| 3398 | var stdin = FS.open('/dev/stdin', 'r'); |
| 3399 | HEAP32[((_stdin)>>2)]=stdin.fd; |
| 3400 | assert(stdin.fd === 1, 'invalid handle for stdin (' + stdin.fd + ')'); |
| 3401 | |
| 3402 | var stdout = FS.open('/dev/stdout', 'w'); |
| 3403 | HEAP32[((_stdout)>>2)]=stdout.fd; |
| 3404 | assert(stdout.fd === 2, 'invalid handle for stdout (' + stdout.fd + ')'); |
| 3405 | |
| 3406 | var stderr = FS.open('/dev/stderr', 'w'); |
| 3407 | HEAP32[((_stderr)>>2)]=stderr.fd; |
| 3408 | assert(stderr.fd === 3, 'invalid handle for stderr (' + stderr.fd + ')'); |
| 3409 | },ensureErrnoError:function () { |
| 3410 | if (FS.ErrnoError) return; |
| 3411 | FS.ErrnoError = function ErrnoError(errno) { |
| 3412 | this.errno = errno; |
| 3413 | for (var key in ERRNO_CODES) { |
| 3414 | if (ERRNO_CODES[key] === errno) { |
| 3415 | this.code = key; |
| 3416 | break; |
| 3417 | } |
| 3418 | } |
| 3419 | this.message = ERRNO_MESSAGES[errno]; |
| 3420 | if (this.stack) this.stack = demangleAll(this.stack); |
| 3421 | }; |
| 3422 | FS.ErrnoError.prototype = new Error(); |
| 3423 | FS.ErrnoError.prototype.constructor = FS.ErrnoError; |
| 3424 | // Some errors may happen quite a bit, to avoid overhead we reuse them (and suffer a lack of stack info) |
| 3425 | [ERRNO_CODES.ENOENT].forEach(function(code) { |
| 3426 | FS.genericErrors[code] = new FS.ErrnoError(code); |
| 3427 | FS.genericErrors[code].stack = '<generic error, no stack>'; |
| 3428 | }); |
| 3429 | },staticInit:function () { |
| 3430 | FS.ensureErrnoError(); |
| 3431 | |
| 3432 | FS.nameTable = new Array(4096); |
| 3433 | |
| 3434 | FS.root = FS.createNode(null, '/', 16384 | 0777, 0); |
| 3435 | FS.mount(MEMFS, {}, '/'); |
| 3436 | |
| 3437 | FS.createDefaultDirectories(); |
| 3438 | FS.createDefaultDevices(); |
| 3439 | },init:function (input, output, error) { |
| 3440 | 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)'); |
| 3441 | FS.init.initialized = true; |
| 3442 | |
| 3443 | FS.ensureErrnoError(); |
| 3444 | |
| 3445 | // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here |
| 3446 | Module['stdin'] = input || Module['stdin']; |
| 3447 | Module['stdout'] = output || Module['stdout']; |
| 3448 | Module['stderr'] = error || Module['stderr']; |
| 3449 | |
| 3450 | FS.createStandardStreams(); |
| 3451 | },quit:function () { |
| 3452 | FS.init.initialized = false; |
| 3453 | for (var i = 0; i < FS.streams.length; i++) { |
| 3454 | var stream = FS.streams[i]; |
| 3455 | if (!stream) { |
| 3456 | continue; |
| 3457 | } |
| 3458 | FS.close(stream); |
| 3459 | } |
| 3460 | },getMode:function (canRead, canWrite) { |
| 3461 | var mode = 0; |
| 3462 | if (canRead) mode |= 292 | 73; |
| 3463 | if (canWrite) mode |= 146; |
| 3464 | return mode; |
| 3465 | },joinPath:function (parts, forceRelative) { |
| 3466 | var path = PATH.join.apply(null, parts); |
| 3467 | if (forceRelative && path[0] == '/') path = path.substr(1); |
| 3468 | return path; |
| 3469 | },absolutePath:function (relative, base) { |
| 3470 | return PATH.resolve(base, relative); |
| 3471 | },standardizePath:function (path) { |
| 3472 | return PATH.normalize(path); |
| 3473 | },findObject:function (path, dontResolveLastLink) { |
| 3474 | var ret = FS.analyzePath(path, dontResolveLastLink); |
| 3475 | if (ret.exists) { |
| 3476 | return ret.object; |
| 3477 | } else { |
| 3478 | ___setErrNo(ret.error); |
| 3479 | return null; |
| 3480 | } |
| 3481 | },analyzePath:function (path, dontResolveLastLink) { |
| 3482 | // operate from within the context of the symlink's target |
| 3483 | try { |
| 3484 | var lookup = FS.lookupPath(path, { follow: !dontResolveLastLink }); |
| 3485 | path = lookup.path; |
| 3486 | } catch (e) { |
| 3487 | } |
| 3488 | var ret = { |
| 3489 | isRoot: false, exists: false, error: 0, name: null, path: null, object: null, |
| 3490 | parentExists: false, parentPath: null, parentObject: null |
| 3491 | }; |
| 3492 | try { |
| 3493 | var lookup = FS.lookupPath(path, { parent: true }); |
| 3494 | ret.parentExists = true; |
| 3495 | ret.parentPath = lookup.path; |
| 3496 | ret.parentObject = lookup.node; |
| 3497 | ret.name = PATH.basename(path); |
| 3498 | lookup = FS.lookupPath(path, { follow: !dontResolveLastLink }); |
| 3499 | ret.exists = true; |
| 3500 | ret.path = lookup.path; |
| 3501 | ret.object = lookup.node; |
| 3502 | ret.name = lookup.node.name; |
| 3503 | ret.isRoot = lookup.path === '/'; |
| 3504 | } catch (e) { |
| 3505 | ret.error = e.errno; |
| 3506 | }; |
| 3507 | return ret; |
| 3508 | },createFolder:function (parent, name, canRead, canWrite) { |
| 3509 | var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name); |
| 3510 | var mode = FS.getMode(canRead, canWrite); |
| 3511 | return FS.mkdir(path, mode); |
| 3512 | },createPath:function (parent, path, canRead, canWrite) { |
| 3513 | parent = typeof parent === 'string' ? parent : FS.getPath(parent); |
| 3514 | var parts = path.split('/').reverse(); |
| 3515 | while (parts.length) { |
| 3516 | var part = parts.pop(); |
| 3517 | if (!part) continue; |
| 3518 | var current = PATH.join2(parent, part); |
| 3519 | try { |
| 3520 | FS.mkdir(current); |
| 3521 | } catch (e) { |
| 3522 | // ignore EEXIST |
| 3523 | } |
| 3524 | parent = current; |
| 3525 | } |
| 3526 | return current; |
| 3527 | },createFile:function (parent, name, properties, canRead, canWrite) { |
| 3528 | var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name); |
| 3529 | var mode = FS.getMode(canRead, canWrite); |
| 3530 | return FS.create(path, mode); |
| 3531 | },createDataFile:function (parent, name, data, canRead, canWrite, canOwn) { |
| 3532 | var path = name ? PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name) : parent; |
| 3533 | var mode = FS.getMode(canRead, canWrite); |
| 3534 | var node = FS.create(path, mode); |
| 3535 | if (data) { |
| 3536 | if (typeof data === 'string') { |
| 3537 | var arr = new Array(data.length); |
| 3538 | for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i); |
| 3539 | data = arr; |
| 3540 | } |
| 3541 | // make sure we can write to the file |
| 3542 | FS.chmod(node, mode | 146); |
| 3543 | var stream = FS.open(node, 'w'); |
| 3544 | FS.write(stream, data, 0, data.length, 0, canOwn); |
| 3545 | FS.close(stream); |
| 3546 | FS.chmod(node, mode); |
| 3547 | } |
| 3548 | return node; |
| 3549 | },createDevice:function (parent, name, input, output) { |
| 3550 | var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name); |
| 3551 | var mode = FS.getMode(!!input, !!output); |
| 3552 | if (!FS.createDevice.major) FS.createDevice.major = 64; |
| 3553 | var dev = FS.makedev(FS.createDevice.major++, 0); |
| 3554 | // Create a fake device that a set of stream ops to emulate |
| 3555 | // the old behavior. |
| 3556 | FS.registerDevice(dev, { |
| 3557 | open: function(stream) { |
| 3558 | stream.seekable = false; |
| 3559 | }, |
| 3560 | close: function(stream) { |
| 3561 | // flush any pending line data |
| 3562 | if (output && output.buffer && output.buffer.length) { |
| 3563 | output(10); |
| 3564 | } |
| 3565 | }, |
| 3566 | read: function(stream, buffer, offset, length, pos /* ignored */) { |
| 3567 | var bytesRead = 0; |
| 3568 | for (var i = 0; i < length; i++) { |
| 3569 | var result; |
| 3570 | try { |
| 3571 | result = input(); |
| 3572 | } catch (e) { |
| 3573 | throw new FS.ErrnoError(ERRNO_CODES.EIO); |
| 3574 | } |
| 3575 | if (result === undefined && bytesRead === 0) { |
| 3576 | throw new FS.ErrnoError(ERRNO_CODES.EAGAIN); |
| 3577 | } |
| 3578 | if (result === null || result === undefined) break; |
| 3579 | bytesRead++; |
| 3580 | buffer[offset+i] = result; |
| 3581 | } |
| 3582 | if (bytesRead) { |
| 3583 | stream.node.timestamp = Date.now(); |
| 3584 | } |
| 3585 | return bytesRead; |
| 3586 | }, |
| 3587 | write: function(stream, buffer, offset, length, pos) { |
| 3588 | for (var i = 0; i < length; i++) { |
| 3589 | try { |
| 3590 | output(buffer[offset+i]); |
| 3591 | } catch (e) { |
| 3592 | throw new FS.ErrnoError(ERRNO_CODES.EIO); |
| 3593 | } |
| 3594 | } |
| 3595 | if (length) { |
| 3596 | stream.node.timestamp = Date.now(); |
| 3597 | } |
| 3598 | return i; |
| 3599 | } |
| 3600 | }); |
| 3601 | return FS.mkdev(path, mode, dev); |
| 3602 | },createLink:function (parent, name, target, canRead, canWrite) { |
| 3603 | var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name); |
| 3604 | return FS.symlink(target, path); |
| 3605 | },forceLoadFile:function (obj) { |
| 3606 | if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true; |
| 3607 | var success = true; |
| 3608 | if (typeof XMLHttpRequest !== 'undefined') { |
| 3609 | 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."); |
| 3610 | } else if (Module['read']) { |
| 3611 | // Command-line. |
| 3612 | try { |
| 3613 | // WARNING: Can't read binary files in V8's d8 or tracemonkey's js, as |
| 3614 | // read() will try to parse UTF8. |
| 3615 | obj.contents = intArrayFromString(Module['read'](obj.url), true); |
| 3616 | } catch (e) { |
| 3617 | success = false; |
| 3618 | } |
| 3619 | } else { |
| 3620 | throw new Error('Cannot load without read() or XMLHttpRequest.'); |
| 3621 | } |
| 3622 | if (!success) ___setErrNo(ERRNO_CODES.EIO); |
| 3623 | return success; |
| 3624 | },createLazyFile:function (parent, name, url, canRead, canWrite) { |
| 3625 | if (typeof XMLHttpRequest !== 'undefined') { |
| 3626 | if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc'; |
| 3627 | // Lazy chunked Uint8Array (implements get and length from Uint8Array). Actual getting is abstracted away for eventual reuse. |
| 3628 | function LazyUint8Array() { |
| 3629 | this.lengthKnown = false; |
| 3630 | this.chunks = []; // Loaded chunks. Index is the chunk number |
| 3631 | } |
| 3632 | LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) { |
| 3633 | if (idx > this.length-1 || idx < 0) { |
| 3634 | return undefined; |
| 3635 | } |
| 3636 | var chunkOffset = idx % this.chunkSize; |
| 3637 | var chunkNum = Math.floor(idx / this.chunkSize); |
| 3638 | return this.getter(chunkNum)[chunkOffset]; |
| 3639 | } |
| 3640 | LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) { |
| 3641 | this.getter = getter; |
| 3642 | } |
| 3643 | LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() { |
| 3644 | // Find length |
| 3645 | var xhr = new XMLHttpRequest(); |
| 3646 | xhr.open('HEAD', url, false); |
| 3647 | xhr.send(null); |
| 3648 | if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status); |
| 3649 | var datalength = Number(xhr.getResponseHeader("Content-length")); |
| 3650 | var header; |
| 3651 | var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes"; |
| 3652 | var chunkSize = 1024*1024; // Chunk size in bytes |
| 3653 | |
| 3654 | if (!hasByteServing) chunkSize = datalength; |
| 3655 | |
| 3656 | // Function to get a range from the remote URL. |
| 3657 | var doXHR = (function(from, to) { |
| 3658 | if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!"); |
| 3659 | if (to > datalength-1) throw new Error("only " + datalength + " bytes available! programmer error!"); |
| 3660 | |
| 3661 | // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available. |
| 3662 | var xhr = new XMLHttpRequest(); |
| 3663 | xhr.open('GET', url, false); |
| 3664 | if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to); |
| 3665 | |
| 3666 | // Some hints to the browser that we want binary data. |
| 3667 | if (typeof Uint8Array != 'undefined') xhr.responseType = 'arraybuffer'; |
| 3668 | if (xhr.overrideMimeType) { |
| 3669 | xhr.overrideMimeType('text/plain; charset=x-user-defined'); |
| 3670 | } |
| 3671 | |
| 3672 | xhr.send(null); |
| 3673 | if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status); |
| 3674 | if (xhr.response !== undefined) { |
| 3675 | return new Uint8Array(xhr.response || []); |
| 3676 | } else { |
| 3677 | return intArrayFromString(xhr.responseText || '', true); |
| 3678 | } |
| 3679 | }); |
| 3680 | var lazyArray = this; |
| 3681 | lazyArray.setDataGetter(function(chunkNum) { |
| 3682 | var start = chunkNum * chunkSize; |
| 3683 | var end = (chunkNum+1) * chunkSize - 1; // including this byte |
| 3684 | end = Math.min(end, datalength-1); // if datalength-1 is selected, this is the last block |
| 3685 | if (typeof(lazyArray.chunks[chunkNum]) === "undefined") { |
| 3686 | lazyArray.chunks[chunkNum] = doXHR(start, end); |
| 3687 | } |
| 3688 | if (typeof(lazyArray.chunks[chunkNum]) === "undefined") throw new Error("doXHR failed!"); |
| 3689 | return lazyArray.chunks[chunkNum]; |
| 3690 | }); |
| 3691 | |
| 3692 | this._length = datalength; |
| 3693 | this._chunkSize = chunkSize; |
| 3694 | this.lengthKnown = true; |
| 3695 | } |
| 3696 | |
| 3697 | var lazyArray = new LazyUint8Array(); |
| 3698 | Object.defineProperty(lazyArray, "length", { |
| 3699 | get: function() { |
| 3700 | if(!this.lengthKnown) { |
| 3701 | this.cacheLength(); |
| 3702 | } |
| 3703 | return this._length; |
| 3704 | } |
| 3705 | }); |
| 3706 | Object.defineProperty(lazyArray, "chunkSize", { |
| 3707 | get: function() { |
| 3708 | if(!this.lengthKnown) { |
| 3709 | this.cacheLength(); |
| 3710 | } |
| 3711 | return this._chunkSize; |
| 3712 | } |
| 3713 | }); |
| 3714 | |
| 3715 | var properties = { isDevice: false, contents: lazyArray }; |
| 3716 | } else { |
| 3717 | var properties = { isDevice: false, url: url }; |
| 3718 | } |
| 3719 | |
| 3720 | var node = FS.createFile(parent, name, properties, canRead, canWrite); |
| 3721 | // This is a total hack, but I want to get this lazy file code out of the |
| 3722 | // core of MEMFS. If we want to keep this lazy file concept I feel it should |
| 3723 | // be its own thin LAZYFS proxying calls to MEMFS. |
| 3724 | if (properties.contents) { |
| 3725 | node.contents = properties.contents; |
| 3726 | } else if (properties.url) { |
| 3727 | node.contents = null; |
| 3728 | node.url = properties.url; |
| 3729 | } |
| 3730 | // override each stream op with one that tries to force load the lazy file first |
| 3731 | var stream_ops = {}; |
| 3732 | var keys = Object.keys(node.stream_ops); |
| 3733 | keys.forEach(function(key) { |
| 3734 | var fn = node.stream_ops[key]; |
| 3735 | stream_ops[key] = function forceLoadLazyFile() { |
| 3736 | if (!FS.forceLoadFile(node)) { |
| 3737 | throw new FS.ErrnoError(ERRNO_CODES.EIO); |
| 3738 | } |
| 3739 | return fn.apply(null, arguments); |
| 3740 | }; |
| 3741 | }); |
| 3742 | // use a custom read function |
| 3743 | stream_ops.read = function stream_ops_read(stream, buffer, offset, length, position) { |
| 3744 | if (!FS.forceLoadFile(node)) { |
| 3745 | throw new FS.ErrnoError(ERRNO_CODES.EIO); |
| 3746 | } |
| 3747 | var contents = stream.node.contents; |
| 3748 | if (position >= contents.length) |
| 3749 | return 0; |
| 3750 | var size = Math.min(contents.length - position, length); |
| 3751 | assert(size >= 0); |
| 3752 | if (contents.slice) { // normal array |
| 3753 | for (var i = 0; i < size; i++) { |
| 3754 | buffer[offset + i] = contents[position + i]; |
| 3755 | } |
| 3756 | } else { |
| 3757 | for (var i = 0; i < size; i++) { // LazyUint8Array from sync binary XHR |
| 3758 | buffer[offset + i] = contents.get(position + i); |
| 3759 | } |
| 3760 | } |
| 3761 | return size; |
| 3762 | }; |
| 3763 | node.stream_ops = stream_ops; |
| 3764 | return node; |
| 3765 | },createPreloadedFile:function (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn) { |
| 3766 | Browser.init(); |
| 3767 | // TODO we should allow people to just pass in a complete filename instead |
| 3768 | // of parent and name being that we just join them anyways |
| 3769 | var fullname = name ? PATH.resolve(PATH.join2(parent, name)) : parent; |
| 3770 | function processData(byteArray) { |
| 3771 | function finish(byteArray) { |
| 3772 | if (!dontCreateFile) { |
| 3773 | FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn); |
| 3774 | } |
| 3775 | if (onload) onload(); |
| 3776 | removeRunDependency('cp ' + fullname); |
| 3777 | } |
| 3778 | var handled = false; |
| 3779 | Module['preloadPlugins'].forEach(function(plugin) { |
| 3780 | if (handled) return; |
| 3781 | if (plugin['canHandle'](fullname)) { |
| 3782 | plugin['handle'](byteArray, fullname, finish, function() { |
| 3783 | if (onerror) onerror(); |
| 3784 | removeRunDependency('cp ' + fullname); |
| 3785 | }); |
| 3786 | handled = true; |
| 3787 | } |
| 3788 | }); |
| 3789 | if (!handled) finish(byteArray); |
| 3790 | } |
| 3791 | addRunDependency('cp ' + fullname); |
| 3792 | if (typeof url == 'string') { |
| 3793 | Browser.asyncLoad(url, function(byteArray) { |
| 3794 | processData(byteArray); |
| 3795 | }, onerror); |
| 3796 | } else { |
| 3797 | processData(url); |
| 3798 | } |
| 3799 | },indexedDB:function () { |
| 3800 | return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB; |
| 3801 | },DB_NAME:function () { |
| 3802 | return 'EM_FS_' + window.location.pathname; |
| 3803 | },DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:function (paths, onload, onerror) { |
| 3804 | onload = onload || function(){}; |
| 3805 | onerror = onerror || function(){}; |
| 3806 | var indexedDB = FS.indexedDB(); |
| 3807 | try { |
| 3808 | var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION); |
| 3809 | } catch (e) { |
| 3810 | return onerror(e); |
| 3811 | } |
| 3812 | openRequest.onupgradeneeded = function openRequest_onupgradeneeded() { |
| 3813 | console.log('creating db'); |
| 3814 | var db = openRequest.result; |
| 3815 | db.createObjectStore(FS.DB_STORE_NAME); |
| 3816 | }; |
| 3817 | openRequest.onsuccess = function openRequest_onsuccess() { |
| 3818 | var db = openRequest.result; |
| 3819 | var transaction = db.transaction([FS.DB_STORE_NAME], 'readwrite'); |
| 3820 | var files = transaction.objectStore(FS.DB_STORE_NAME); |
| 3821 | var ok = 0, fail = 0, total = paths.length; |
| 3822 | function finish() { |
| 3823 | if (fail == 0) onload(); else onerror(); |
| 3824 | } |
| 3825 | paths.forEach(function(path) { |
| 3826 | var putRequest = files.put(FS.analyzePath(path).object.contents, path); |
| 3827 | putRequest.onsuccess = function putRequest_onsuccess() { ok++; if (ok + fail == total) finish() }; |
| 3828 | putRequest.onerror = function putRequest_onerror() { fail++; if (ok + fail == total) finish() }; |
| 3829 | }); |
| 3830 | transaction.onerror = onerror; |
| 3831 | }; |
| 3832 | openRequest.onerror = onerror; |
| 3833 | },loadFilesFromDB:function (paths, onload, onerror) { |
| 3834 | onload = onload || function(){}; |
| 3835 | onerror = onerror || function(){}; |
| 3836 | var indexedDB = FS.indexedDB(); |
| 3837 | try { |
| 3838 | var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION); |
| 3839 | } catch (e) { |
| 3840 | return onerror(e); |
| 3841 | } |
| 3842 | openRequest.onupgradeneeded = onerror; // no database to load from |
| 3843 | openRequest.onsuccess = function openRequest_onsuccess() { |
| 3844 | var db = openRequest.result; |
| 3845 | try { |
| 3846 | var transaction = db.transaction([FS.DB_STORE_NAME], 'readonly'); |
| 3847 | } catch(e) { |
| 3848 | onerror(e); |
| 3849 | return; |
| 3850 | } |
| 3851 | var files = transaction.objectStore(FS.DB_STORE_NAME); |
| 3852 | var ok = 0, fail = 0, total = paths.length; |
| 3853 | function finish() { |
| 3854 | if (fail == 0) onload(); else onerror(); |
| 3855 | } |
| 3856 | paths.forEach(function(path) { |
| 3857 | var getRequest = files.get(path); |
| 3858 | getRequest.onsuccess = function getRequest_onsuccess() { |
| 3859 | if (FS.analyzePath(path).exists) { |
| 3860 | FS.unlink(path); |
| 3861 | } |
| 3862 | FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true); |
| 3863 | ok++; |
| 3864 | if (ok + fail == total) finish(); |
| 3865 | }; |
| 3866 | getRequest.onerror = function getRequest_onerror() { fail++; if (ok + fail == total) finish() }; |
| 3867 | }); |
| 3868 | transaction.onerror = onerror; |
| 3869 | }; |
| 3870 | openRequest.onerror = onerror; |
| 3871 | }};var PATH={splitPath:function (filename) { |
| 3872 | var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; |
| 3873 | return splitPathRe.exec(filename).slice(1); |
| 3874 | },normalizeArray:function (parts, allowAboveRoot) { |
| 3875 | // if the path tries to go above the root, `up` ends up > 0 |
| 3876 | var up = 0; |
| 3877 | for (var i = parts.length - 1; i >= 0; i--) { |
| 3878 | var last = parts[i]; |
| 3879 | if (last === '.') { |
| 3880 | parts.splice(i, 1); |
| 3881 | } else if (last === '..') { |
| 3882 | parts.splice(i, 1); |
| 3883 | up++; |
| 3884 | } else if (up) { |
| 3885 | parts.splice(i, 1); |
| 3886 | up--; |
| 3887 | } |
| 3888 | } |
| 3889 | // if the path is allowed to go above the root, restore leading ..s |
| 3890 | if (allowAboveRoot) { |
| 3891 | for (; up--; up) { |
| 3892 | parts.unshift('..'); |
| 3893 | } |
| 3894 | } |
| 3895 | return parts; |
| 3896 | },normalize:function (path) { |
| 3897 | var isAbsolute = path.charAt(0) === '/', |
| 3898 | trailingSlash = path.substr(-1) === '/'; |
| 3899 | // Normalize the path |
| 3900 | path = PATH.normalizeArray(path.split('/').filter(function(p) { |
| 3901 | return !!p; |
| 3902 | }), !isAbsolute).join('/'); |
| 3903 | if (!path && !isAbsolute) { |
| 3904 | path = '.'; |
| 3905 | } |
| 3906 | if (path && trailingSlash) { |
| 3907 | path += '/'; |
| 3908 | } |
| 3909 | return (isAbsolute ? '/' : '') + path; |
| 3910 | },dirname:function (path) { |
| 3911 | var result = PATH.splitPath(path), |
| 3912 | root = result[0], |
| 3913 | dir = result[1]; |
| 3914 | if (!root && !dir) { |
| 3915 | // No dirname whatsoever |
| 3916 | return '.'; |
| 3917 | } |
| 3918 | if (dir) { |
| 3919 | // It has a dirname, strip trailing slash |
| 3920 | dir = dir.substr(0, dir.length - 1); |
| 3921 | } |
| 3922 | return root + dir; |
| 3923 | },basename:function (path) { |
| 3924 | // EMSCRIPTEN return '/'' for '/', not an empty string |
| 3925 | if (path === '/') return '/'; |
| 3926 | var lastSlash = path.lastIndexOf('/'); |
| 3927 | if (lastSlash === -1) return path; |
| 3928 | return path.substr(lastSlash+1); |
| 3929 | },extname:function (path) { |
| 3930 | return PATH.splitPath(path)[3]; |
| 3931 | },join:function () { |
| 3932 | var paths = Array.prototype.slice.call(arguments, 0); |
| 3933 | return PATH.normalize(paths.join('/')); |
| 3934 | },join2:function (l, r) { |
| 3935 | return PATH.normalize(l + '/' + r); |
| 3936 | },resolve:function () { |
| 3937 | var resolvedPath = '', |
| 3938 | resolvedAbsolute = false; |
| 3939 | for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) { |
| 3940 | var path = (i >= 0) ? arguments[i] : FS.cwd(); |
| 3941 | // Skip empty and invalid entries |
| 3942 | if (typeof path !== 'string') { |
| 3943 | throw new TypeError('Arguments to path.resolve must be strings'); |
| 3944 | } else if (!path) { |
| 3945 | continue; |
| 3946 | } |
| 3947 | resolvedPath = path + '/' + resolvedPath; |
| 3948 | resolvedAbsolute = path.charAt(0) === '/'; |
| 3949 | } |
| 3950 | // At this point the path should be resolved to a full absolute path, but |
| 3951 | // handle relative paths to be safe (might happen when process.cwd() fails) |
| 3952 | resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter(function(p) { |
| 3953 | return !!p; |
| 3954 | }), !resolvedAbsolute).join('/'); |
| 3955 | return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; |
| 3956 | },relative:function (from, to) { |
| 3957 | from = PATH.resolve(from).substr(1); |
| 3958 | to = PATH.resolve(to).substr(1); |
| 3959 | function trim(arr) { |
| 3960 | var start = 0; |
| 3961 | for (; start < arr.length; start++) { |
| 3962 | if (arr[start] !== '') break; |
| 3963 | } |
| 3964 | var end = arr.length - 1; |
| 3965 | for (; end >= 0; end--) { |
| 3966 | if (arr[end] !== '') break; |
| 3967 | } |
| 3968 | if (start > end) return []; |
| 3969 | return arr.slice(start, end - start + 1); |
| 3970 | } |
| 3971 | var fromParts = trim(from.split('/')); |
| 3972 | var toParts = trim(to.split('/')); |
| 3973 | var length = Math.min(fromParts.length, toParts.length); |
| 3974 | var samePartsLength = length; |
| 3975 | for (var i = 0; i < length; i++) { |
| 3976 | if (fromParts[i] !== toParts[i]) { |
| 3977 | samePartsLength = i; |
| 3978 | break; |
| 3979 | } |
| 3980 | } |
| 3981 | var outputParts = []; |
| 3982 | for (var i = samePartsLength; i < fromParts.length; i++) { |
| 3983 | outputParts.push('..'); |
| 3984 | } |
| 3985 | outputParts = outputParts.concat(toParts.slice(samePartsLength)); |
| 3986 | return outputParts.join('/'); |
| 3987 | }};var Browser={mainLoop:{scheduler:null,shouldPause:false,paused:false,queue:[],pause:function () { |
| 3988 | Browser.mainLoop.shouldPause = true; |
| 3989 | },resume:function () { |
| 3990 | if (Browser.mainLoop.paused) { |
| 3991 | Browser.mainLoop.paused = false; |
| 3992 | Browser.mainLoop.scheduler(); |
| 3993 | } |
| 3994 | Browser.mainLoop.shouldPause = false; |
| 3995 | },updateStatus:function () { |
| 3996 | if (Module['setStatus']) { |
| 3997 | var message = Module['statusMessage'] || 'Please wait...'; |
| 3998 | var remaining = Browser.mainLoop.remainingBlockers; |
| 3999 | var expected = Browser.mainLoop.expectedBlockers; |
| 4000 | if (remaining) { |
| 4001 | if (remaining < expected) { |
| 4002 | Module['setStatus'](message + ' (' + (expected - remaining) + '/' + expected + ')'); |
| 4003 | } else { |
| 4004 | Module['setStatus'](message); |
| 4005 | } |
| 4006 | } else { |
| 4007 | Module['setStatus'](''); |
| 4008 | } |
| 4009 | } |
| 4010 | }},isFullScreen:false,pointerLock:false,moduleContextCreatedCallbacks:[],workers:[],init:function () { |
| 4011 | if (!Module["preloadPlugins"]) Module["preloadPlugins"] = []; // needs to exist even in workers |
| 4012 | |
| 4013 | if (Browser.initted || ENVIRONMENT_IS_WORKER) return; |
| 4014 | Browser.initted = true; |
| 4015 | |
| 4016 | try { |
| 4017 | new Blob(); |
| 4018 | Browser.hasBlobConstructor = true; |
| 4019 | } catch(e) { |
| 4020 | Browser.hasBlobConstructor = false; |
| 4021 | console.log("warning: no blob constructor, cannot create blobs with mimetypes"); |
| 4022 | } |
| 4023 | Browser.BlobBuilder = typeof MozBlobBuilder != "undefined" ? MozBlobBuilder : (typeof WebKitBlobBuilder != "undefined" ? WebKitBlobBuilder : (!Browser.hasBlobConstructor ? console.log("warning: no BlobBuilder") : null)); |
| 4024 | Browser.URLObject = typeof window != "undefined" ? (window.URL ? window.URL : window.webkitURL) : undefined; |
| 4025 | if (!Module.noImageDecoding && typeof Browser.URLObject === 'undefined') { |
| 4026 | console.log("warning: Browser does not support creating object URLs. Built-in browser image decoding will not be available."); |
| 4027 | Module.noImageDecoding = true; |
| 4028 | } |
| 4029 | |
| 4030 | // Support for plugins that can process preloaded files. You can add more of these to |
| 4031 | // your app by creating and appending to Module.preloadPlugins. |
| 4032 | // |
| 4033 | // Each plugin is asked if it can handle a file based on the file's name. If it can, |
| 4034 | // it is given the file's raw data. When it is done, it calls a callback with the file's |
| 4035 | // (possibly modified) data. For example, a plugin might decompress a file, or it |
| 4036 | // might create some side data structure for use later (like an Image element, etc.). |
| 4037 | |
| 4038 | var imagePlugin = {}; |
| 4039 | imagePlugin['canHandle'] = function imagePlugin_canHandle(name) { |
| 4040 | return !Module.noImageDecoding && /\.(jpg|jpeg|png|bmp)$/i.test(name); |
| 4041 | }; |
| 4042 | imagePlugin['handle'] = function imagePlugin_handle(byteArray, name, onload, onerror) { |
| 4043 | var b = null; |
| 4044 | if (Browser.hasBlobConstructor) { |
| 4045 | try { |
| 4046 | b = new Blob([byteArray], { type: Browser.getMimetype(name) }); |
| 4047 | if (b.size !== byteArray.length) { // Safari bug #118630 |
| 4048 | // Safari's Blob can only take an ArrayBuffer |
| 4049 | b = new Blob([(new Uint8Array(byteArray)).buffer], { type: Browser.getMimetype(name) }); |
| 4050 | } |
| 4051 | } catch(e) { |
| 4052 | Runtime.warnOnce('Blob constructor present but fails: ' + e + '; falling back to blob builder'); |
| 4053 | } |
| 4054 | } |
| 4055 | if (!b) { |
| 4056 | var bb = new Browser.BlobBuilder(); |
| 4057 | bb.append((new Uint8Array(byteArray)).buffer); // we need to pass a buffer, and must copy the array to get the right data range |
| 4058 | b = bb.getBlob(); |
| 4059 | } |
| 4060 | var url = Browser.URLObject.createObjectURL(b); |
| 4061 | assert(typeof url == 'string', 'createObjectURL must return a url as a string'); |
| 4062 | var img = new Image(); |
| 4063 | img.onload = function img_onload() { |
| 4064 | assert(img.complete, 'Image ' + name + ' could not be decoded'); |
| 4065 | var canvas = document.createElement('canvas'); |
| 4066 | canvas.width = img.width; |
| 4067 | canvas.height = img.height; |
| 4068 | var ctx = canvas.getContext('2d'); |
| 4069 | ctx.drawImage(img, 0, 0); |
| 4070 | Module["preloadedImages"][name] = canvas; |
| 4071 | Browser.URLObject.revokeObjectURL(url); |
| 4072 | if (onload) onload(byteArray); |
| 4073 | }; |
| 4074 | img.onerror = function img_onerror(event) { |
| 4075 | console.log('Image ' + url + ' could not be decoded'); |
| 4076 | if (onerror) onerror(); |
| 4077 | }; |
| 4078 | img.src = url; |
| 4079 | }; |
| 4080 | Module['preloadPlugins'].push(imagePlugin); |
| 4081 | |
| 4082 | var audioPlugin = {}; |
| 4083 | audioPlugin['canHandle'] = function audioPlugin_canHandle(name) { |
| 4084 | return !Module.noAudioDecoding && name.substr(-4) in { '.ogg': 1, '.wav': 1, '.mp3': 1 }; |
| 4085 | }; |
| 4086 | audioPlugin['handle'] = function audioPlugin_handle(byteArray, name, onload, onerror) { |
| 4087 | var done = false; |
| 4088 | function finish(audio) { |
| 4089 | if (done) return; |
| 4090 | done = true; |
| 4091 | Module["preloadedAudios"][name] = audio; |
| 4092 | if (onload) onload(byteArray); |
| 4093 | } |
| 4094 | function fail() { |
| 4095 | if (done) return; |
| 4096 | done = true; |
| 4097 | Module["preloadedAudios"][name] = new Audio(); // empty shim |
| 4098 | if (onerror) onerror(); |
| 4099 | } |
| 4100 | if (Browser.hasBlobConstructor) { |
| 4101 | try { |
| 4102 | var b = new Blob([byteArray], { type: Browser.getMimetype(name) }); |
| 4103 | } catch(e) { |
| 4104 | return fail(); |
| 4105 | } |
| 4106 | var url = Browser.URLObject.createObjectURL(b); // XXX we never revoke this! |
| 4107 | assert(typeof url == 'string', 'createObjectURL must return a url as a string'); |
| 4108 | var audio = new Audio(); |
| 4109 | audio.addEventListener('canplaythrough', function() { finish(audio) }, false); // use addEventListener due to chromium bug 124926 |
| 4110 | audio.onerror = function audio_onerror(event) { |
| 4111 | if (done) return; |
| 4112 | console.log('warning: browser could not fully decode audio ' + name + ', trying slower base64 approach'); |
| 4113 | function encode64(data) { |
| 4114 | var BASE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; |
| 4115 | var PAD = '='; |
| 4116 | var ret = ''; |
| 4117 | var leftchar = 0; |
| 4118 | var leftbits = 0; |
| 4119 | for (var i = 0; i < data.length; i++) { |
| 4120 | leftchar = (leftchar << 8) | data[i]; |
| 4121 | leftbits += 8; |
| 4122 | while (leftbits >= 6) { |
| 4123 | var curr = (leftchar >> (leftbits-6)) & 0x3f; |
| 4124 | leftbits -= 6; |
| 4125 | ret += BASE[curr]; |
| 4126 | } |
| 4127 | } |
| 4128 | if (leftbits == 2) { |
| 4129 | ret += BASE[(leftchar&3) << 4]; |
| 4130 | ret += PAD + PAD; |
| 4131 | } else if (leftbits == 4) { |
| 4132 | ret += BASE[(leftchar&0xf) << 2]; |
| 4133 | ret += PAD; |
| 4134 | } |
| 4135 | return ret; |
| 4136 | } |
| 4137 | audio.src = 'data:audio/x-' + name.substr(-3) + ';base64,' + encode64(byteArray); |
| 4138 | finish(audio); // we don't wait for confirmation this worked - but it's worth trying |
| 4139 | }; |
| 4140 | audio.src = url; |
| 4141 | // workaround for chrome bug 124926 - we do not always get oncanplaythrough or onerror |
| 4142 | Browser.safeSetTimeout(function() { |
| 4143 | finish(audio); // try to use it even though it is not necessarily ready to play |
| 4144 | }, 10000); |
| 4145 | } else { |
| 4146 | return fail(); |
| 4147 | } |
| 4148 | }; |
| 4149 | Module['preloadPlugins'].push(audioPlugin); |
| 4150 | |
| 4151 | // Canvas event setup |
| 4152 | |
| 4153 | var canvas = Module['canvas']; |
| 4154 | canvas.requestPointerLock = canvas['requestPointerLock'] || |
| 4155 | canvas['mozRequestPointerLock'] || |
| 4156 | canvas['webkitRequestPointerLock']; |
| 4157 | canvas.exitPointerLock = document['exitPointerLock'] || |
| 4158 | document['mozExitPointerLock'] || |
| 4159 | document['webkitExitPointerLock'] || |
| 4160 | function(){}; // no-op if function does not exist |
| 4161 | canvas.exitPointerLock = canvas.exitPointerLock.bind(document); |
| 4162 | |
| 4163 | function pointerLockChange() { |
| 4164 | Browser.pointerLock = document['pointerLockElement'] === canvas || |
| 4165 | document['mozPointerLockElement'] === canvas || |
| 4166 | document['webkitPointerLockElement'] === canvas; |
| 4167 | } |
| 4168 | |
| 4169 | document.addEventListener('pointerlockchange', pointerLockChange, false); |
| 4170 | document.addEventListener('mozpointerlockchange', pointerLockChange, false); |
| 4171 | document.addEventListener('webkitpointerlockchange', pointerLockChange, false); |
| 4172 | |
| 4173 | if (Module['elementPointerLock']) { |
| 4174 | canvas.addEventListener("click", function(ev) { |
| 4175 | if (!Browser.pointerLock && canvas.requestPointerLock) { |
| 4176 | canvas.requestPointerLock(); |
| 4177 | ev.preventDefault(); |
| 4178 | } |
| 4179 | }, false); |
| 4180 | } |
| 4181 | },createContext:function (canvas, useWebGL, setInModule, webGLContextAttributes) { |
| 4182 | var ctx; |
| 4183 | try { |
| 4184 | if (useWebGL) { |
| 4185 | var contextAttributes = { |
| 4186 | antialias: false, |
| 4187 | alpha: false |
| 4188 | }; |
| 4189 | |
| 4190 | if (webGLContextAttributes) { |
| 4191 | for (var attribute in webGLContextAttributes) { |
| 4192 | contextAttributes[attribute] = webGLContextAttributes[attribute]; |
| 4193 | } |
| 4194 | } |
| 4195 | |
| 4196 | |
| 4197 | var errorInfo = '?'; |
| 4198 | function onContextCreationError(event) { |
| 4199 | errorInfo = event.statusMessage || errorInfo; |
| 4200 | } |
| 4201 | canvas.addEventListener('webglcontextcreationerror', onContextCreationError, false); |
| 4202 | try { |
| 4203 | ['experimental-webgl', 'webgl'].some(function(webglId) { |
| 4204 | return ctx = canvas.getContext(webglId, contextAttributes); |
| 4205 | }); |
| 4206 | } finally { |
| 4207 | canvas.removeEventListener('webglcontextcreationerror', onContextCreationError, false); |
| 4208 | } |
| 4209 | } else { |
| 4210 | ctx = canvas.getContext('2d'); |
| 4211 | } |
| 4212 | if (!ctx) throw ':('; |
| 4213 | } catch (e) { |
| 4214 | Module.print('Could not create canvas: ' + [errorInfo, e]); |
| 4215 | return null; |
| 4216 | } |
| 4217 | if (useWebGL) { |
| 4218 | // Set the background of the WebGL canvas to black |
| 4219 | canvas.style.backgroundColor = "black"; |
| 4220 | |
| 4221 | // Warn on context loss |
| 4222 | canvas.addEventListener('webglcontextlost', function(event) { |
| 4223 | alert('WebGL context lost. You will need to reload the page.'); |
| 4224 | }, false); |
| 4225 | } |
| 4226 | if (setInModule) { |
| 4227 | GLctx = Module.ctx = ctx; |
| 4228 | Module.useWebGL = useWebGL; |
| 4229 | Browser.moduleContextCreatedCallbacks.forEach(function(callback) { callback() }); |
| 4230 | Browser.init(); |
| 4231 | } |
| 4232 | return ctx; |
| 4233 | },destroyContext:function (canvas, useWebGL, setInModule) {},fullScreenHandlersInstalled:false,lockPointer:undefined,resizeCanvas:undefined,requestFullScreen:function (lockPointer, resizeCanvas) { |
| 4234 | Browser.lockPointer = lockPointer; |
| 4235 | Browser.resizeCanvas = resizeCanvas; |
| 4236 | if (typeof Browser.lockPointer === 'undefined') Browser.lockPointer = true; |
| 4237 | if (typeof Browser.resizeCanvas === 'undefined') Browser.resizeCanvas = false; |
| 4238 | |
| 4239 | var canvas = Module['canvas']; |
| 4240 | function fullScreenChange() { |
| 4241 | Browser.isFullScreen = false; |
| 4242 | if ((document['webkitFullScreenElement'] || document['webkitFullscreenElement'] || |
| 4243 | document['mozFullScreenElement'] || document['mozFullscreenElement'] || |
| 4244 | document['fullScreenElement'] || document['fullscreenElement']) === canvas) { |
| 4245 | canvas.cancelFullScreen = document['cancelFullScreen'] || |
| 4246 | document['mozCancelFullScreen'] || |
| 4247 | document['webkitCancelFullScreen']; |
| 4248 | canvas.cancelFullScreen = canvas.cancelFullScreen.bind(document); |
| 4249 | if (Browser.lockPointer) canvas.requestPointerLock(); |
| 4250 | Browser.isFullScreen = true; |
| 4251 | if (Browser.resizeCanvas) Browser.setFullScreenCanvasSize(); |
| 4252 | } else if (Browser.resizeCanvas){ |
| 4253 | Browser.setWindowedCanvasSize(); |
| 4254 | } |
| 4255 | if (Module['onFullScreen']) Module['onFullScreen'](Browser.isFullScreen); |
| 4256 | } |
| 4257 | |
| 4258 | if (!Browser.fullScreenHandlersInstalled) { |
| 4259 | Browser.fullScreenHandlersInstalled = true; |
| 4260 | document.addEventListener('fullscreenchange', fullScreenChange, false); |
| 4261 | document.addEventListener('mozfullscreenchange', fullScreenChange, false); |
| 4262 | document.addEventListener('webkitfullscreenchange', fullScreenChange, false); |
| 4263 | } |
| 4264 | |
| 4265 | canvas.requestFullScreen = canvas['requestFullScreen'] || |
| 4266 | canvas['mozRequestFullScreen'] || |
| 4267 | (canvas['webkitRequestFullScreen'] ? function() { canvas['webkitRequestFullScreen'](Element['ALLOW_KEYBOARD_INPUT']) } : null); |
| 4268 | canvas.requestFullScreen(); |
| 4269 | },requestAnimationFrame:function requestAnimationFrame(func) { |
| 4270 | if (typeof window === 'undefined') { // Provide fallback to setTimeout if window is undefined (e.g. in Node.js) |
| 4271 | setTimeout(func, 1000/60); |
| 4272 | } else { |
| 4273 | if (!window.requestAnimationFrame) { |
| 4274 | window.requestAnimationFrame = window['requestAnimationFrame'] || |
| 4275 | window['mozRequestAnimationFrame'] || |
| 4276 | window['webkitRequestAnimationFrame'] || |
| 4277 | window['msRequestAnimationFrame'] || |
| 4278 | window['oRequestAnimationFrame'] || |
| 4279 | window['setTimeout']; |
| 4280 | } |
| 4281 | window.requestAnimationFrame(func); |
| 4282 | } |
| 4283 | },safeCallback:function (func) { |
| 4284 | return function() { |
| 4285 | if (!ABORT) return func.apply(null, arguments); |
| 4286 | }; |
| 4287 | },safeRequestAnimationFrame:function (func) { |
| 4288 | return Browser.requestAnimationFrame(function() { |
| 4289 | if (!ABORT) func(); |
| 4290 | }); |
| 4291 | },safeSetTimeout:function (func, timeout) { |
| 4292 | return setTimeout(function() { |
| 4293 | if (!ABORT) func(); |
| 4294 | }, timeout); |
| 4295 | },safeSetInterval:function (func, timeout) { |
| 4296 | return setInterval(function() { |
| 4297 | if (!ABORT) func(); |
| 4298 | }, timeout); |
| 4299 | },getMimetype:function (name) { |
| 4300 | return { |
| 4301 | 'jpg': 'image/jpeg', |
| 4302 | 'jpeg': 'image/jpeg', |
| 4303 | 'png': 'image/png', |
| 4304 | 'bmp': 'image/bmp', |
| 4305 | 'ogg': 'audio/ogg', |
| 4306 | 'wav': 'audio/wav', |
| 4307 | 'mp3': 'audio/mpeg' |
| 4308 | }[name.substr(name.lastIndexOf('.')+1)]; |
| 4309 | },getUserMedia:function (func) { |
| 4310 | if(!window.getUserMedia) { |
| 4311 | window.getUserMedia = navigator['getUserMedia'] || |
| 4312 | navigator['mozGetUserMedia']; |
| 4313 | } |
| 4314 | window.getUserMedia(func); |
| 4315 | },getMovementX:function (event) { |
| 4316 | return event['movementX'] || |
| 4317 | event['mozMovementX'] || |
| 4318 | event['webkitMovementX'] || |
| 4319 | 0; |
| 4320 | },getMovementY:function (event) { |
| 4321 | return event['movementY'] || |
| 4322 | event['mozMovementY'] || |
| 4323 | event['webkitMovementY'] || |
| 4324 | 0; |
| 4325 | },mouseX:0,mouseY:0,mouseMovementX:0,mouseMovementY:0,calculateMouseEvent:function (event) { // event should be mousemove, mousedown or mouseup |
| 4326 | if (Browser.pointerLock) { |
| 4327 | // When the pointer is locked, calculate the coordinates |
| 4328 | // based on the movement of the mouse. |
| 4329 | // Workaround for Firefox bug 764498 |
| 4330 | if (event.type != 'mousemove' && |
| 4331 | ('mozMovementX' in event)) { |
| 4332 | Browser.mouseMovementX = Browser.mouseMovementY = 0; |
| 4333 | } else { |
| 4334 | Browser.mouseMovementX = Browser.getMovementX(event); |
| 4335 | Browser.mouseMovementY = Browser.getMovementY(event); |
| 4336 | } |
| 4337 | |
| 4338 | // check if SDL is available |
| 4339 | if (typeof SDL != "undefined") { |
| 4340 | Browser.mouseX = SDL.mouseX + Browser.mouseMovementX; |
| 4341 | Browser.mouseY = SDL.mouseY + Browser.mouseMovementY; |
| 4342 | } else { |
| 4343 | // just add the mouse delta to the current absolut mouse position |
| 4344 | // FIXME: ideally this should be clamped against the canvas size and zero |
| 4345 | Browser.mouseX += Browser.mouseMovementX; |
| 4346 | Browser.mouseY += Browser.mouseMovementY; |
| 4347 | } |
| 4348 | } else { |
| 4349 | // Otherwise, calculate the movement based on the changes |
| 4350 | // in the coordinates. |
| 4351 | var rect = Module["canvas"].getBoundingClientRect(); |
| 4352 | var x, y; |
| 4353 | |
| 4354 | // Neither .scrollX or .pageXOffset are defined in a spec, but |
| 4355 | // we prefer .scrollX because it is currently in a spec draft. |
| 4356 | // (see: http://www.w3.org/TR/2013/WD-cssom-view-20131217/) |
| 4357 | var scrollX = ((typeof window.scrollX !== 'undefined') ? window.scrollX : window.pageXOffset); |
| 4358 | var scrollY = ((typeof window.scrollY !== 'undefined') ? window.scrollY : window.pageYOffset); |
| 4359 | // If this assert lands, it's likely because the browser doesn't support scrollX or pageXOffset |
| 4360 | // and we have no viable fallback. |
| 4361 | assert((typeof scrollX !== 'undefined') && (typeof scrollY !== 'undefined'), 'Unable to retrieve scroll position, mouse positions likely broken.'); |
| 4362 | if (event.type == 'touchstart' || |
| 4363 | event.type == 'touchend' || |
| 4364 | event.type == 'touchmove') { |
| 4365 | var t = event.touches.item(0); |
| 4366 | if (t) { |
| 4367 | x = t.pageX - (scrollX + rect.left); |
| 4368 | y = t.pageY - (scrollY + rect.top); |
| 4369 | } else { |
| 4370 | return; |
| 4371 | } |
| 4372 | } else { |
| 4373 | x = event.pageX - (scrollX + rect.left); |
| 4374 | y = event.pageY - (scrollY + rect.top); |
| 4375 | } |
| 4376 | |
| 4377 | // the canvas might be CSS-scaled compared to its backbuffer; |
| 4378 | // SDL-using content will want mouse coordinates in terms |
| 4379 | // of backbuffer units. |
| 4380 | var cw = Module["canvas"].width; |
| 4381 | var ch = Module["canvas"].height; |
| 4382 | x = x * (cw / rect.width); |
| 4383 | y = y * (ch / rect.height); |
| 4384 | |
| 4385 | Browser.mouseMovementX = x - Browser.mouseX; |
| 4386 | Browser.mouseMovementY = y - Browser.mouseY; |
| 4387 | Browser.mouseX = x; |
| 4388 | Browser.mouseY = y; |
| 4389 | } |
| 4390 | },xhrLoad:function (url, onload, onerror) { |
| 4391 | var xhr = new XMLHttpRequest(); |
| 4392 | xhr.open('GET', url, true); |
| 4393 | xhr.responseType = 'arraybuffer'; |
| 4394 | xhr.onload = function xhr_onload() { |
| 4395 | if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0 |
| 4396 | onload(xhr.response); |
| 4397 | } else { |
| 4398 | onerror(); |
| 4399 | } |
| 4400 | }; |
| 4401 | xhr.onerror = onerror; |
| 4402 | xhr.send(null); |
| 4403 | },asyncLoad:function (url, onload, onerror, noRunDep) { |
| 4404 | Browser.xhrLoad(url, function(arrayBuffer) { |
| 4405 | assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).'); |
| 4406 | onload(new Uint8Array(arrayBuffer)); |
| 4407 | if (!noRunDep) removeRunDependency('al ' + url); |
| 4408 | }, function(event) { |
| 4409 | if (onerror) { |
| 4410 | onerror(); |
| 4411 | } else { |
| 4412 | throw 'Loading data file "' + url + '" failed.'; |
| 4413 | } |
| 4414 | }); |
| 4415 | if (!noRunDep) addRunDependency('al ' + url); |
| 4416 | },resizeListeners:[],updateResizeListeners:function () { |
| 4417 | var canvas = Module['canvas']; |
| 4418 | Browser.resizeListeners.forEach(function(listener) { |
| 4419 | listener(canvas.width, canvas.height); |
| 4420 | }); |
| 4421 | },setCanvasSize:function (width, height, noUpdates) { |
| 4422 | var canvas = Module['canvas']; |
| 4423 | canvas.width = width; |
| 4424 | canvas.height = height; |
| 4425 | if (!noUpdates) Browser.updateResizeListeners(); |
| 4426 | },windowedWidth:0,windowedHeight:0,setFullScreenCanvasSize:function () { |
| 4427 | var canvas = Module['canvas']; |
| 4428 | this.windowedWidth = canvas.width; |
| 4429 | this.windowedHeight = canvas.height; |
| 4430 | canvas.width = screen.width; |
| 4431 | canvas.height = screen.height; |
| 4432 | // check if SDL is available |
| 4433 | if (typeof SDL != "undefined") { |
| 4434 | var flags = HEAPU32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)]; |
| 4435 | flags = flags | 0x00800000; // set SDL_FULLSCREEN flag |
| 4436 | HEAP32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)]=flags |
| 4437 | } |
| 4438 | Browser.updateResizeListeners(); |
| 4439 | },setWindowedCanvasSize:function () { |
| 4440 | var canvas = Module['canvas']; |
| 4441 | canvas.width = this.windowedWidth; |
| 4442 | canvas.height = this.windowedHeight; |
| 4443 | // check if SDL is available |
| 4444 | if (typeof SDL != "undefined") { |
| 4445 | var flags = HEAPU32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)]; |
| 4446 | flags = flags & ~0x00800000; // clear SDL_FULLSCREEN flag |
| 4447 | HEAP32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)]=flags |
| 4448 | } |
| 4449 | Browser.updateResizeListeners(); |
| 4450 | }}; |
| 4451 | ___errno_state = Runtime.staticAlloc(4); HEAP32[((___errno_state)>>2)]=0; |
| 4452 | Module["requestFullScreen"] = function Module_requestFullScreen(lockPointer, resizeCanvas) { Browser.requestFullScreen(lockPointer, resizeCanvas) }; |
| 4453 | Module["requestAnimationFrame"] = function Module_requestAnimationFrame(func) { Browser.requestAnimationFrame(func) }; |
| 4454 | Module["setCanvasSize"] = function Module_setCanvasSize(width, height, noUpdates) { Browser.setCanvasSize(width, height, noUpdates) }; |
| 4455 | Module["pauseMainLoop"] = function Module_pauseMainLoop() { Browser.mainLoop.pause() }; |
| 4456 | Module["resumeMainLoop"] = function Module_resumeMainLoop() { Browser.mainLoop.resume() }; |
| 4457 | Module["getUserMedia"] = function Module_getUserMedia() { Browser.getUserMedia() } |
| 4458 | 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.createPath;Module["FS_createDataFile"] = FS.createDataFile;Module["FS_createPreloadedFile"] = FS.createPreloadedFile;Module["FS_createLazyFile"] = FS.createLazyFile;Module["FS_createLink"] = FS.createLink;Module["FS_createDevice"] = FS.createDevice; |
| 4459 | __ATINIT__.unshift({ func: function() { TTY.init() } });__ATEXIT__.push({ func: function() { TTY.shutdown() } });TTY.utf8 = new Runtime.UTF8Processor(); |
| 4460 | if (ENVIRONMENT_IS_NODE) { var fs = require("fs"); NODEFS.staticInit(); } |
| 4461 | STACK_BASE = STACKTOP = Runtime.alignMemory(STATICTOP); |
| 4462 | |
| 4463 | staticSealed = true; // seal the static portion of memory |
| 4464 | |
| 4465 | STACK_MAX = STACK_BASE + 5242880; |
| 4466 | |
| 4467 | DYNAMIC_BASE = DYNAMICTOP = Runtime.alignMemory(STACK_MAX); |
| 4468 | |
| 4469 | assert(DYNAMIC_BASE < TOTAL_MEMORY, "TOTAL_MEMORY not big enough for stack"); |
| 4470 | |
| 4471 | |
| 4472 | |
| 4473 | var FUNCTION_TABLE = [0, 0]; |
| 4474 | |
| 4475 | // EMSCRIPTEN_START_FUNCS |
| 4476 | |
| 4477 | function _bitmap_decompress_15($output,$output_width,$output_height,$input_width,$input_height,$input,$size){ |
| 4478 | var label=0; |
| 4479 | var sp=STACKTOP; (assert((STACKTOP|0) < (STACK_MAX|0))|0); |
| 4480 | label = 1; |
| 4481 | while(1)switch(label){ |
| 4482 | case 1: |
| 4483 | var $1; |
| 4484 | var $2; |
| 4485 | var $3; |
| 4486 | var $4; |
| 4487 | var $5; |
| 4488 | var $6; |
| 4489 | var $7; |
| 4490 | var $temp; |
| 4491 | var $rv; |
| 4492 | var $y; |
| 4493 | var $x; |
| 4494 | var $a; |
| 4495 | var $r; |
| 4496 | var $g; |
| 4497 | var $b; |
| 4498 | $1=$output; |
| 4499 | $2=$output_width; |
| 4500 | $3=$output_height; |
| 4501 | $4=$input_width; |
| 4502 | $5=$input_height; |
| 4503 | $6=$input; |
| 4504 | $7=$size; |
| 4505 | var $8=$4; |
| 4506 | var $9=$5; |
| 4507 | var $10=(Math_imul($8,$9)|0); |
| 4508 | var $11=($10<<1); |
| 4509 | var $12=_malloc($11); |
| 4510 | $temp=$12; |
| 4511 | var $13=$temp; |
| 4512 | var $14=$4; |
| 4513 | var $15=$5; |
| 4514 | var $16=$6; |
| 4515 | var $17=$7; |
| 4516 | var $18=_bitmap_decompress2($13,$14,$15,$16,$17); |
| 4517 | $rv=$18; |
| 4518 | $y=0; |
| 4519 | label=2;break; |
| 4520 | case 2: |
| 4521 | var $20=$y; |
| 4522 | var $21=$3; |
| 4523 | var $22=($20|0)<($21|0); |
| 4524 | if($22){label=3;break;}else{label=9;break;} |
| 4525 | case 3: |
| 4526 | $x=0; |
| 4527 | label=4;break; |
| 4528 | case 4: |
| 4529 | var $25=$x; |
| 4530 | var $26=$2; |
| 4531 | var $27=($25|0)<($26|0); |
| 4532 | if($27){label=5;break;}else{label=7;break;} |
| 4533 | case 5: |
| 4534 | var $29=$y; |
| 4535 | var $30=$4; |
| 4536 | var $31=(Math_imul($29,$30)|0); |
| 4537 | var $32=$x; |
| 4538 | var $33=((($31)+($32))|0); |
| 4539 | var $34=$temp; |
| 4540 | var $35=$34; |
| 4541 | var $36=(($35+($33<<1))|0); |
| 4542 | var $37=HEAP16[(($36)>>1)]; |
| 4543 | $a=$37; |
| 4544 | var $38=$a; |
| 4545 | var $39=($38&65535); |
| 4546 | var $40=$39&31744; |
| 4547 | var $41=$40>>10; |
| 4548 | var $42=(($41)&255); |
| 4549 | $r=$42; |
| 4550 | var $43=$a; |
| 4551 | var $44=($43&65535); |
| 4552 | var $45=$44&992; |
| 4553 | var $46=$45>>5; |
| 4554 | var $47=(($46)&255); |
| 4555 | $g=$47; |
| 4556 | var $48=$a; |
| 4557 | var $49=($48&65535); |
| 4558 | var $50=$49&31; |
| 4559 | var $51=(($50)&255); |
| 4560 | $b=$51; |
| 4561 | var $52=$r; |
| 4562 | var $53=($52&255); |
| 4563 | var $54=((($53)*(255))&-1); |
| 4564 | var $55=(((($54|0))/(31))&-1); |
| 4565 | var $56=(($55)&255); |
| 4566 | $r=$56; |
| 4567 | var $57=$g; |
| 4568 | var $58=($57&255); |
| 4569 | var $59=((($58)*(255))&-1); |
| 4570 | var $60=(((($59|0))/(31))&-1); |
| 4571 | var $61=(($60)&255); |
| 4572 | $g=$61; |
| 4573 | var $62=$b; |
| 4574 | var $63=($62&255); |
| 4575 | var $64=((($63)*(255))&-1); |
| 4576 | var $65=(((($64|0))/(31))&-1); |
| 4577 | var $66=(($65)&255); |
| 4578 | $b=$66; |
| 4579 | var $67=$b; |
| 4580 | var $68=($67&255); |
| 4581 | var $69=$68<<16; |
| 4582 | var $70=-16777216|$69; |
| 4583 | var $71=$g; |
| 4584 | var $72=($71&255); |
| 4585 | var $73=$72<<8; |
| 4586 | var $74=$70|$73; |
| 4587 | var $75=$r; |
| 4588 | var $76=($75&255); |
| 4589 | var $77=$74|$76; |
| 4590 | var $78=$y; |
| 4591 | var $79=$2; |
| 4592 | var $80=(Math_imul($78,$79)|0); |
| 4593 | var $81=$x; |
| 4594 | var $82=((($80)+($81))|0); |
| 4595 | var $83=$1; |
| 4596 | var $84=$83; |
| 4597 | var $85=(($84+($82<<2))|0); |
| 4598 | HEAP32[(($85)>>2)]=$77; |
| 4599 | label=6;break; |
| 4600 | case 6: |
| 4601 | var $87=$x; |
| 4602 | var $88=((($87)+(1))|0); |
| 4603 | $x=$88; |
| 4604 | label=4;break; |
| 4605 | case 7: |
| 4606 | label=8;break; |
| 4607 | case 8: |
| 4608 | var $91=$y; |
| 4609 | var $92=((($91)+(1))|0); |
| 4610 | $y=$92; |
| 4611 | label=2;break; |
| 4612 | case 9: |
| 4613 | var $94=$temp; |
| 4614 | _free($94); |
| 4615 | var $95=$rv; |
| 4616 | STACKTOP=sp;return $95; |
| 4617 | default: assert(0, "bad label: " + label); |
| 4618 | } |
| 4619 | |
| 4620 | } |
| 4621 | Module["_bitmap_decompress_15"] = _bitmap_decompress_15; |
| 4622 | |
| 4623 | function _bitmap_decompress2($output,$width,$height,$input,$size){ |
| 4624 | var label=0; |
| 4625 | var sp=STACKTOP; (assert((STACKTOP|0) < (STACK_MAX|0))|0); |
| 4626 | label = 1; |
| 4627 | while(1)switch(label){ |
| 4628 | case 1: |
| 4629 | var $1; |
| 4630 | var $2; |
| 4631 | var $3; |
| 4632 | var $4; |
| 4633 | var $5; |
| 4634 | var $6; |
| 4635 | var $end; |
| 4636 | var $prevline; |
| 4637 | var $line; |
| 4638 | var $opcode; |
| 4639 | var $count; |
| 4640 | var $offset; |
| 4641 | var $isfillormix; |
| 4642 | var $x; |
| 4643 | var $lastopcode; |
| 4644 | var $insertmix; |
| 4645 | var $bicolour; |
| 4646 | var $code; |
| 4647 | var $colour1; |
| 4648 | var $colour2; |
| 4649 | var $mixmask; |
| 4650 | var $mask; |
| 4651 | var $mix; |
| 4652 | var $fom_mask; |
| 4653 | $2=$output; |
| 4654 | $3=$width; |
| 4655 | $4=$height; |
| 4656 | $5=$input; |
| 4657 | $6=$size; |
| 4658 | var $7=$5; |
| 4659 | var $8=$6; |
| 4660 | var $9=(($7+$8)|0); |
| 4661 | $end=$9; |
| 4662 | $prevline=0; |
| 4663 | $line=0; |
| 4664 | var $10=$3; |
| 4665 | $x=$10; |
| 4666 | $lastopcode=-1; |
| 4667 | $insertmix=0; |
| 4668 | $bicolour=0; |
| 4669 | $colour1=0; |
| 4670 | $colour2=0; |
| 4671 | $mask=0; |
| 4672 | $mix=-1; |
| 4673 | $fom_mask=0; |
| 4674 | label=2;break; |
| 4675 | case 2: |
| 4676 | var $12=$5; |
| 4677 | var $13=$end; |
| 4678 | var $14=($12>>>0)<($13>>>0); |
| 4679 | if($14){label=3;break;}else{label=346;break;} |
| 4680 | case 3: |
| 4681 | $fom_mask=0; |
| 4682 | var $16=$5; |
| 4683 | var $17=(($16+1)|0); |
| 4684 | $5=$17; |
| 4685 | var $18=HEAP8[($16)]; |
| 4686 | $code=$18; |
| 4687 | var $19=$code; |
| 4688 | var $20=($19&255); |
| 4689 | var $21=$20>>4; |
| 4690 | $opcode=$21; |
| 4691 | var $22=$opcode; |
| 4692 | if(($22|0)==12|($22|0)==13|($22|0)==14){ label=4;break;}else if(($22|0)==15){ label=5;break;}else{label=9;break;} |
| 4693 | case 4: |
| 4694 | var $24=$opcode; |
| 4695 | var $25=((($24)-(6))|0); |
| 4696 | $opcode=$25; |
| 4697 | var $26=$code; |
| 4698 | var $27=($26&255); |
| 4699 | var $28=$27&15; |
| 4700 | $count=$28; |
| 4701 | $offset=16; |
| 4702 | label=10;break; |
| 4703 | case 5: |
| 4704 | var $30=$code; |
| 4705 | var $31=($30&255); |
| 4706 | var $32=$31&15; |
| 4707 | $opcode=$32; |
| 4708 | var $33=$opcode; |
| 4709 | var $34=($33|0)<9; |
| 4710 | if($34){label=6;break;}else{label=7;break;} |
| 4711 | case 6: |
| 4712 | var $36=$5; |
| 4713 | var $37=(($36+1)|0); |
| 4714 | $5=$37; |
| 4715 | var $38=HEAP8[($36)]; |
| 4716 | var $39=($38&255); |
| 4717 | $count=$39; |
| 4718 | var $40=$5; |
| 4719 | var $41=(($40+1)|0); |
| 4720 | $5=$41; |
| 4721 | var $42=HEAP8[($40)]; |
| 4722 | var $43=($42&255); |
| 4723 | var $44=$43<<8; |
| 4724 | var $45=$count; |
| 4725 | var $46=$45|$44; |
| 4726 | $count=$46; |
| 4727 | label=8;break; |
| 4728 | case 7: |
| 4729 | var $48=$opcode; |
| 4730 | var $49=($48|0)<11; |
| 4731 | var $50=($49?8:1); |
| 4732 | $count=$50; |
| 4733 | label=8;break; |
| 4734 | case 8: |
| 4735 | $offset=0; |
| 4736 | label=10;break; |
| 4737 | case 9: |
| 4738 | var $53=$opcode; |
| 4739 | var $54=$53>>1; |
| 4740 | $opcode=$54; |
| 4741 | var $55=$code; |
| 4742 | var $56=($55&255); |
| 4743 | var $57=$56&31; |
| 4744 | $count=$57; |
| 4745 | $offset=32; |
| 4746 | label=10;break; |
| 4747 | case 10: |
| 4748 | var $59=$offset; |
| 4749 | var $60=($59|0)!=0; |
| 4750 | if($60){label=11;break;}else{label=22;break;} |
| 4751 | case 11: |
| 4752 | var $62=$opcode; |
| 4753 | var $63=($62|0)==2; |
| 4754 | if($63){var $68=1;label=13;break;}else{label=12;break;} |
| 4755 | case 12: |
| 4756 | var $65=$opcode; |
| 4757 | var $66=($65|0)==7; |
| 4758 | var $68=$66;label=13;break; |
| 4759 | case 13: |
| 4760 | var $68; |
| 4761 | var $69=($68&1); |
| 4762 | $isfillormix=$69; |
| 4763 | var $70=$count; |
| 4764 | var $71=($70|0)==0; |
| 4765 | if($71){label=14;break;}else{label=18;break;} |
| 4766 | case 14: |
| 4767 | var $73=$isfillormix; |
| 4768 | var $74=($73|0)!=0; |
| 4769 | if($74){label=15;break;}else{label=16;break;} |
| 4770 | case 15: |
| 4771 | var $76=$5; |
| 4772 | var $77=(($76+1)|0); |
| 4773 | $5=$77; |
| 4774 | var $78=HEAP8[($76)]; |
| 4775 | var $79=($78&255); |
| 4776 | var $80=((($79)+(1))|0); |
| 4777 | $count=$80; |
| 4778 | label=17;break; |
| 4779 | case 16: |
| 4780 | var $82=$5; |
| 4781 | var $83=(($82+1)|0); |
| 4782 | $5=$83; |
| 4783 | var $84=HEAP8[($82)]; |
| 4784 | var $85=($84&255); |
| 4785 | var $86=$offset; |
| 4786 | var $87=((($85)+($86))|0); |
| 4787 | $count=$87; |
| 4788 | label=17;break; |
| 4789 | case 17: |
| 4790 | label=21;break; |
| 4791 | case 18: |
| 4792 | var $90=$isfillormix; |
| 4793 | var $91=($90|0)!=0; |
| 4794 | if($91){label=19;break;}else{label=20;break;} |
| 4795 | case 19: |
| 4796 | var $93=$count; |
| 4797 | var $94=$93<<3; |
| 4798 | $count=$94; |
| 4799 | label=20;break; |
| 4800 | case 20: |
| 4801 | label=21;break; |
| 4802 | case 21: |
| 4803 | label=22;break; |
| 4804 | case 22: |
| 4805 | var $98=$opcode; |
| 4806 | switch(($98|0)){case 0:{ label=23;break;}case 8:{ label=28;break;}case 3:{ label=29;break;}case 6:case 7:{ label=30;break;}case 9:{ label=31;break;}case 10:{ label=32;break;}default:{label=33;break;}}break; |
| 4807 | case 23: |
| 4808 | var $100=$lastopcode; |
| 4809 | var $101=$opcode; |
| 4810 | var $102=($100|0)==($101|0); |
| 4811 | if($102){label=24;break;}else{label=27;break;} |
| 4812 | case 24: |
| 4813 | var $104=$x; |
| 4814 | var $105=$3; |
| 4815 | var $106=($104|0)==($105|0); |
| 4816 | if($106){label=25;break;}else{label=26;break;} |
| 4817 | case 25: |
| 4818 | var $108=$prevline; |
| 4819 | var $109=($108|0)==0; |
| 4820 | if($109){label=27;break;}else{label=26;break;} |
| 4821 | case 26: |
| 4822 | $insertmix=1; |
| 4823 | label=27;break; |
| 4824 | case 27: |
| 4825 | label=33;break; |
| 4826 | case 28: |
| 4827 | var $113=$5; |
| 4828 | var $114=(($113+1)|0); |
| 4829 | $5=$114; |
| 4830 | var $115=HEAP8[($113)]; |
| 4831 | var $116=($115&255); |
| 4832 | $colour1=$116; |
| 4833 | var $117=$5; |
| 4834 | var $118=(($117+1)|0); |
| 4835 | $5=$118; |
| 4836 | var $119=HEAP8[($117)]; |
| 4837 | var $120=($119&255); |
| 4838 | var $121=$120<<8; |
| 4839 | var $122=$colour1; |
| 4840 | var $123=($122&65535); |
| 4841 | var $124=$123|$121; |
| 4842 | var $125=(($124)&65535); |
| 4843 | $colour1=$125; |
| 4844 | label=29;break; |
| 4845 | case 29: |
| 4846 | var $127=$5; |
| 4847 | var $128=(($127+1)|0); |
| 4848 | $5=$128; |
| 4849 | var $129=HEAP8[($127)]; |
| 4850 | var $130=($129&255); |
| 4851 | $colour2=$130; |
| 4852 | var $131=$5; |
| 4853 | var $132=(($131+1)|0); |
| 4854 | $5=$132; |
| 4855 | var $133=HEAP8[($131)]; |
| 4856 | var $134=($133&255); |
| 4857 | var $135=$134<<8; |
| 4858 | var $136=$colour2; |
| 4859 | var $137=($136&65535); |
| 4860 | var $138=$137|$135; |
| 4861 | var $139=(($138)&65535); |
| 4862 | $colour2=$139; |
| 4863 | label=33;break; |
| 4864 | case 30: |
| 4865 | var $141=$5; |
| 4866 | var $142=(($141+1)|0); |
| 4867 | $5=$142; |
| 4868 | var $143=HEAP8[($141)]; |
| 4869 | var $144=($143&255); |
| 4870 | $mix=$144; |
| 4871 | var $145=$5; |
| 4872 | var $146=(($145+1)|0); |
| 4873 | $5=$146; |
| 4874 | var $147=HEAP8[($145)]; |
| 4875 | var $148=($147&255); |
| 4876 | var $149=$148<<8; |
| 4877 | var $150=$mix; |
| 4878 | var $151=($150&65535); |
| 4879 | var $152=$151|$149; |
| 4880 | var $153=(($152)&65535); |
| 4881 | $mix=$153; |
| 4882 | var $154=$opcode; |
| 4883 | var $155=((($154)-(5))|0); |
| 4884 | $opcode=$155; |
| 4885 | label=33;break; |
| 4886 | case 31: |
| 4887 | $mask=3; |
| 4888 | $opcode=2; |
| 4889 | $fom_mask=3; |
| 4890 | label=33;break; |
| 4891 | case 32: |
| 4892 | $mask=5; |
| 4893 | $opcode=2; |
| 4894 | $fom_mask=5; |
| 4895 | label=33;break; |
| 4896 | case 33: |
| 4897 | var $159=$opcode; |
| 4898 | $lastopcode=$159; |
| 4899 | $mixmask=0; |
| 4900 | label=34;break; |
| 4901 | case 34: |
| 4902 | var $161=$count; |
| 4903 | var $162=($161|0)>0; |
| 4904 | if($162){label=35;break;}else{label=345;break;} |
| 4905 | case 35: |
| 4906 | var $164=$x; |
| 4907 | var $165=$3; |
| 4908 | var $166=($164|0)>=($165|0); |
| 4909 | if($166){label=36;break;}else{label=39;break;} |
| 4910 | case 36: |
| 4911 | var $168=$4; |
| 4912 | var $169=($168|0)<=0; |
| 4913 | if($169){label=37;break;}else{label=38;break;} |
| 4914 | case 37: |
| 4915 | $1=0; |
| 4916 | label=347;break; |
| 4917 | case 38: |
| 4918 | $x=0; |
| 4919 | var $172=$4; |
| 4920 | var $173=((($172)-(1))|0); |
| 4921 | $4=$173; |
| 4922 | var $174=$line; |
| 4923 | $prevline=$174; |
| 4924 | var $175=$2; |
| 4925 | var $176=$175; |
| 4926 | var $177=$4; |
| 4927 | var $178=$3; |
| 4928 | var $179=(Math_imul($177,$178)|0); |
| 4929 | var $180=(($176+($179<<1))|0); |
| 4930 | $line=$180; |
| 4931 | label=39;break; |
| 4932 | case 39: |
| 4933 | var $182=$opcode; |
| 4934 | switch(($182|0)){case 3:{ label=261;break;}case 4:{ label=272;break;}case 8:{ label=283;break;}case 13:{ label=321;break;}case 14:{ label=332;break;}case 0:{ label=40;break;}case 1:{ label=69;break;}case 2:{ label=93;break;}default:{label=343;break;}}break; |
| 4935 | case 40: |
| 4936 | var $184=$insertmix; |
| 4937 | var $185=($184|0)!=0; |
| 4938 | if($185){label=41;break;}else{label=45;break;} |
| 4939 | case 41: |
| 4940 | var $187=$prevline; |
| 4941 | var $188=($187|0)==0; |
| 4942 | if($188){label=42;break;}else{label=43;break;} |
| 4943 | case 42: |
| 4944 | var $190=$mix; |
| 4945 | var $191=$x; |
| 4946 | var $192=$line; |
| 4947 | var $193=(($192+($191<<1))|0); |
| 4948 | HEAP16[(($193)>>1)]=$190; |
| 4949 | label=44;break; |
| 4950 | case 43: |
| 4951 | var $195=$x; |
| 4952 | var $196=$prevline; |
| 4953 | var $197=(($196+($195<<1))|0); |
| 4954 | var $198=HEAP16[(($197)>>1)]; |
| 4955 | var $199=($198&65535); |
| 4956 | var $200=$mix; |
| 4957 | var $201=($200&65535); |
| 4958 | var $202=$199^$201; |
| 4959 | var $203=(($202)&65535); |
| 4960 | var $204=$x; |
| 4961 | var $205=$line; |
| 4962 | var $206=(($205+($204<<1))|0); |
| 4963 | HEAP16[(($206)>>1)]=$203; |
| 4964 | label=44;break; |
| 4965 | case 44: |
| 4966 | $insertmix=0; |
| 4967 | var $208=$count; |
| 4968 | var $209=((($208)-(1))|0); |
| 4969 | $count=$209; |
| 4970 | var $210=$x; |
| 4971 | var $211=((($210)+(1))|0); |
| 4972 | $x=$211; |
| 4973 | label=45;break; |
| 4974 | case 45: |
| 4975 | var $213=$prevline; |
| 4976 | var $214=($213|0)==0; |
| 4977 | if($214){label=46;break;}else{label=57;break;} |
| 4978 | case 46: |
| 4979 | label=47;break; |
| 4980 | case 47: |
| 4981 | var $217=$count; |
| 4982 | var $218=$217&-8; |
| 4983 | var $219=($218|0)!=0; |
| 4984 | if($219){label=48;break;}else{var $226=0;label=49;break;} |
| 4985 | case 48: |
| 4986 | var $221=$x; |
| 4987 | var $222=((($221)+(8))|0); |
| 4988 | var $223=$3; |
| 4989 | var $224=($222|0)<($223|0); |
| 4990 | var $226=$224;label=49;break; |
| 4991 | case 49: |
| 4992 | var $226; |
| 4993 | if($226){label=50;break;}else{label=51;break;} |
| 4994 | case 50: |
| 4995 | var $228=$x; |
| 4996 | var $229=$line; |
| 4997 | var $230=(($229+($228<<1))|0); |
| 4998 | HEAP16[(($230)>>1)]=0; |
| 4999 | var $231=$count; |
| 5000 | var $232=((($231)-(1))|0); |
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