@hpcc-js/wasm/dist/index.es6.js.map

hpcc-js - WASM Libraries

{"version":3,"file":"index.es6.js","sources":["../build/expat/expatlib/expatlib.js","../src/util.ts","../src/expat.ts","../build/graphviz/graphvizlib/graphvizlib.js","../src/graphviz.ts"],"sourcesContent":["\nvar cpp = (function() {\n  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;\n  \n  return (\nfunction(cpp) {\n  cpp = cpp || {};\n\nvar Module=typeof cpp!==\"undefined\"?cpp:{};var readyPromiseResolve,readyPromiseReject;Module[\"ready\"]=new Promise(function(resolve,reject){readyPromiseResolve=resolve;readyPromiseReject=reject});var moduleOverrides={};var key;for(key in Module){if(Module.hasOwnProperty(key)){moduleOverrides[key]=Module[key]}}var arguments_=[];var thisProgram=\"./this.program\";var quit_=function(status,toThrow){throw toThrow};var ENVIRONMENT_IS_WEB=true;var ENVIRONMENT_IS_WORKER=false;var scriptDirectory=\"\";function locateFile(path){if(Module[\"locateFile\"]){return Module[\"locateFile\"](path,scriptDirectory)}return scriptDirectory+path}var read_,readAsync,readBinary,setWindowTitle;if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){if(ENVIRONMENT_IS_WORKER){scriptDirectory=self.location.href}else if(document.currentScript){scriptDirectory=document.currentScript.src}if(_scriptDir){scriptDirectory=_scriptDir}if(scriptDirectory.indexOf(\"blob:\")!==0){scriptDirectory=scriptDirectory.substr(0,scriptDirectory.lastIndexOf(\"/\")+1)}else{scriptDirectory=\"\"}{read_=function shell_read(url){var xhr=new XMLHttpRequest;xhr.open(\"GET\",url,false);xhr.send(null);return xhr.responseText};if(ENVIRONMENT_IS_WORKER){readBinary=function readBinary(url){var xhr=new XMLHttpRequest;xhr.open(\"GET\",url,false);xhr.responseType=\"arraybuffer\";xhr.send(null);return new Uint8Array(xhr.response)}}readAsync=function readAsync(url,onload,onerror){var xhr=new XMLHttpRequest;xhr.open(\"GET\",url,true);xhr.responseType=\"arraybuffer\";xhr.onload=function xhr_onload(){if(xhr.status==200||xhr.status==0&&xhr.response){onload(xhr.response);return}onerror()};xhr.onerror=onerror;xhr.send(null)}}setWindowTitle=function(title){document.title=title}}else{}var out=Module[\"print\"]||console.log.bind(console);var err=Module[\"printErr\"]||console.warn.bind(console);for(key in moduleOverrides){if(moduleOverrides.hasOwnProperty(key)){Module[key]=moduleOverrides[key]}}moduleOverrides=null;if(Module[\"arguments\"])arguments_=Module[\"arguments\"];if(Module[\"thisProgram\"])thisProgram=Module[\"thisProgram\"];if(Module[\"quit\"])quit_=Module[\"quit\"];var wasmBinary;if(Module[\"wasmBinary\"])wasmBinary=Module[\"wasmBinary\"];var noExitRuntime;if(Module[\"noExitRuntime\"])noExitRuntime=Module[\"noExitRuntime\"];if(typeof WebAssembly!==\"object\"){err(\"no native wasm support detected\")}var wasmMemory;var wasmTable=new WebAssembly.Table({\"initial\":153,\"maximum\":153+0,\"element\":\"anyfunc\"});var ABORT=false;var EXITSTATUS=0;function assert(condition,text){if(!condition){abort(\"Assertion failed: \"+text)}}var UTF8Decoder=typeof TextDecoder!==\"undefined\"?new TextDecoder(\"utf8\"):undefined;function UTF8ArrayToString(heap,idx,maxBytesToRead){var endIdx=idx+maxBytesToRead;var endPtr=idx;while(heap[endPtr]&&!(endPtr>=endIdx))++endPtr;if(endPtr-idx>16&&heap.subarray&&UTF8Decoder){return UTF8Decoder.decode(heap.subarray(idx,endPtr))}else{var str=\"\";while(idx<endPtr){var u0=heap[idx++];if(!(u0&128)){str+=String.fromCharCode(u0);continue}var u1=heap[idx++]&63;if((u0&224)==192){str+=String.fromCharCode((u0&31)<<6|u1);continue}var u2=heap[idx++]&63;if((u0&240)==224){u0=(u0&15)<<12|u1<<6|u2}else{u0=(u0&7)<<18|u1<<12|u2<<6|heap[idx++]&63}if(u0<65536){str+=String.fromCharCode(u0)}else{var ch=u0-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}}}return str}function UTF8ToString(ptr,maxBytesToRead){return ptr?UTF8ArrayToString(HEAPU8,ptr,maxBytesToRead):\"\"}function stringToUTF8Array(str,heap,outIdx,maxBytesToWrite){if(!(maxBytesToWrite>0))return 0;var startIdx=outIdx;var endIdx=outIdx+maxBytesToWrite-1;for(var i=0;i<str.length;++i){var u=str.charCodeAt(i);if(u>=55296&&u<=57343){var u1=str.charCodeAt(++i);u=65536+((u&1023)<<10)|u1&1023}if(u<=127){if(outIdx>=endIdx)break;heap[outIdx++]=u}else if(u<=2047){if(outIdx+1>=endIdx)break;heap[outIdx++]=192|u>>6;heap[outIdx++]=128|u&63}else if(u<=65535){if(outIdx+2>=endIdx)break;heap[outIdx++]=224|u>>12;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}else{if(outIdx+3>=endIdx)break;heap[outIdx++]=240|u>>18;heap[outIdx++]=128|u>>12&63;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}}heap[outIdx]=0;return outIdx-startIdx}function stringToUTF8(str,outPtr,maxBytesToWrite){return stringToUTF8Array(str,HEAPU8,outPtr,maxBytesToWrite)}function lengthBytesUTF8(str){var len=0;for(var i=0;i<str.length;++i){var u=str.charCodeAt(i);if(u>=55296&&u<=57343)u=65536+((u&1023)<<10)|str.charCodeAt(++i)&1023;if(u<=127)++len;else if(u<=2047)len+=2;else if(u<=65535)len+=3;else len+=4}return len}function writeAsciiToMemory(str,buffer,dontAddNull){for(var i=0;i<str.length;++i){HEAP8[buffer++>>0]=str.charCodeAt(i)}if(!dontAddNull)HEAP8[buffer>>0]=0}var WASM_PAGE_SIZE=65536;function alignUp(x,multiple){if(x%multiple>0){x+=multiple-x%multiple}return x}var buffer,HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;function updateGlobalBufferAndViews(buf){buffer=buf;Module[\"HEAP8\"]=HEAP8=new Int8Array(buf);Module[\"HEAP16\"]=HEAP16=new Int16Array(buf);Module[\"HEAP32\"]=HEAP32=new Int32Array(buf);Module[\"HEAPU8\"]=HEAPU8=new Uint8Array(buf);Module[\"HEAPU16\"]=HEAPU16=new Uint16Array(buf);Module[\"HEAPU32\"]=HEAPU32=new Uint32Array(buf);Module[\"HEAPF32\"]=HEAPF32=new Float32Array(buf);Module[\"HEAPF64\"]=HEAPF64=new Float64Array(buf)}var DYNAMIC_BASE=5251440,DYNAMICTOP_PTR=8400;var INITIAL_INITIAL_MEMORY=Module[\"INITIAL_MEMORY\"]||16777216;if(Module[\"wasmMemory\"]){wasmMemory=Module[\"wasmMemory\"]}else{wasmMemory=new WebAssembly.Memory({\"initial\":INITIAL_INITIAL_MEMORY/WASM_PAGE_SIZE,\"maximum\":2147483648/WASM_PAGE_SIZE})}if(wasmMemory){buffer=wasmMemory.buffer}INITIAL_INITIAL_MEMORY=buffer.byteLength;updateGlobalBufferAndViews(buffer);HEAP32[DYNAMICTOP_PTR>>2]=DYNAMIC_BASE;function callRuntimeCallbacks(callbacks){while(callbacks.length>0){var callback=callbacks.shift();if(typeof callback==\"function\"){callback(Module);continue}var func=callback.func;if(typeof func===\"number\"){if(callback.arg===undefined){Module[\"dynCall_v\"](func)}else{Module[\"dynCall_vi\"](func,callback.arg)}}else{func(callback.arg===undefined?null:callback.arg)}}}var __ATPRERUN__=[];var __ATINIT__=[];var __ATMAIN__=[];var __ATPOSTRUN__=[];var runtimeInitialized=false;function preRun(){if(Module[\"preRun\"]){if(typeof Module[\"preRun\"]==\"function\")Module[\"preRun\"]=[Module[\"preRun\"]];while(Module[\"preRun\"].length){addOnPreRun(Module[\"preRun\"].shift())}}callRuntimeCallbacks(__ATPRERUN__)}function initRuntime(){runtimeInitialized=true;if(!Module[\"noFSInit\"]&&!FS.init.initialized)FS.init();TTY.init();callRuntimeCallbacks(__ATINIT__)}function preMain(){FS.ignorePermissions=false;callRuntimeCallbacks(__ATMAIN__)}function postRun(){if(Module[\"postRun\"]){if(typeof Module[\"postRun\"]==\"function\")Module[\"postRun\"]=[Module[\"postRun\"]];while(Module[\"postRun\"].length){addOnPostRun(Module[\"postRun\"].shift())}}callRuntimeCallbacks(__ATPOSTRUN__)}function addOnPreRun(cb){__ATPRERUN__.unshift(cb)}function addOnPostRun(cb){__ATPOSTRUN__.unshift(cb)}var Math_abs=Math.abs;var Math_ceil=Math.ceil;var Math_floor=Math.floor;var Math_min=Math.min;var runDependencies=0;var runDependencyWatcher=null;var dependenciesFulfilled=null;function getUniqueRunDependency(id){return id}function addRunDependency(id){runDependencies++;if(Module[\"monitorRunDependencies\"]){Module[\"monitorRunDependencies\"](runDependencies)}}function removeRunDependency(id){runDependencies--;if(Module[\"monitorRunDependencies\"]){Module[\"monitorRunDependencies\"](runDependencies)}if(runDependencies==0){if(runDependencyWatcher!==null){clearInterval(runDependencyWatcher);runDependencyWatcher=null}if(dependenciesFulfilled){var callback=dependenciesFulfilled;dependenciesFulfilled=null;callback()}}}Module[\"preloadedImages\"]={};Module[\"preloadedAudios\"]={};function abort(what){if(Module[\"onAbort\"]){Module[\"onAbort\"](what)}what+=\"\";out(what);err(what);ABORT=true;EXITSTATUS=1;what=\"abort(\"+what+\"). Build with -s ASSERTIONS=1 for more info.\";throw new WebAssembly.RuntimeError(what)}function hasPrefix(str,prefix){return String.prototype.startsWith?str.startsWith(prefix):str.indexOf(prefix)===0}var dataURIPrefix=\"data:application/octet-stream;base64,\";function isDataURI(filename){return hasPrefix(filename,dataURIPrefix)}var wasmBinaryFile=\"expatlib.wasm\";if(!isDataURI(wasmBinaryFile)){wasmBinaryFile=locateFile(wasmBinaryFile)}function getBinary(){try{if(wasmBinary){return new Uint8Array(wasmBinary)}if(readBinary){return readBinary(wasmBinaryFile)}else{throw\"both async and sync fetching of the wasm failed\"}}catch(err){abort(err)}}function getBinaryPromise(){if(!wasmBinary&&(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER)&&typeof fetch===\"function\"){return fetch(wasmBinaryFile,{credentials:\"same-origin\"}).then(function(response){if(!response[\"ok\"]){throw\"failed to load wasm binary file at '\"+wasmBinaryFile+\"'\"}return response[\"arrayBuffer\"]()}).catch(function(){return getBinary()})}return new Promise(function(resolve,reject){resolve(getBinary())})}function createWasm(){var info={\"a\":asmLibraryArg};function receiveInstance(instance,module){var exports=instance.exports;Module[\"asm\"]=exports;removeRunDependency(\"wasm-instantiate\")}addRunDependency(\"wasm-instantiate\");function receiveInstantiatedSource(output){receiveInstance(output[\"instance\"])}function instantiateArrayBuffer(receiver){return getBinaryPromise().then(function(binary){return WebAssembly.instantiate(binary,info)}).then(receiver,function(reason){err(\"failed to asynchronously prepare wasm: \"+reason);abort(reason)})}function instantiateAsync(){if(!wasmBinary&&typeof WebAssembly.instantiateStreaming===\"function\"&&!isDataURI(wasmBinaryFile)&&typeof fetch===\"function\"){fetch(wasmBinaryFile,{credentials:\"same-origin\"}).then(function(response){var result=WebAssembly.instantiateStreaming(response,info);return result.then(receiveInstantiatedSource,function(reason){err(\"wasm streaming compile failed: \"+reason);err(\"falling back to ArrayBuffer instantiation\");instantiateArrayBuffer(receiveInstantiatedSource)})})}else{return instantiateArrayBuffer(receiveInstantiatedSource)}}if(Module[\"instantiateWasm\"]){try{var exports=Module[\"instantiateWasm\"](info,receiveInstance);return exports}catch(e){err(\"Module.instantiateWasm callback failed with error: \"+e);return false}}instantiateAsync();return{}}var tempDouble;var tempI64;var ASM_CONSTS={1284:function($0){var self=Module[\"getCache\"](Module[\"CExpatJS\"])[$0];if(!self.hasOwnProperty(\"startElement\"))throw\"a JSImplementation must implement all functions, you forgot CExpatJS::startElement.\";self[\"startElement\"]()},1504:function($0){var self=Module[\"getCache\"](Module[\"CExpatJS\"])[$0];if(!self.hasOwnProperty(\"endElement\"))throw\"a JSImplementation must implement all functions, you forgot CExpatJS::endElement.\";self[\"endElement\"]()},1716:function($0){var self=Module[\"getCache\"](Module[\"CExpatJS\"])[$0];if(!self.hasOwnProperty(\"characterData\"))throw\"a JSImplementation must implement all functions, you forgot CExpatJS::characterData.\";self[\"characterData\"]()}};function _emscripten_asm_const_iii(code,sigPtr,argbuf){var args=readAsmConstArgs(sigPtr,argbuf);return ASM_CONSTS[code].apply(null,args)}__ATINIT__.push({func:function(){___wasm_call_ctors()}});function demangle(func){return func}function demangleAll(text){var regex=/\\b_Z[\\w\\d_]+/g;return text.replace(regex,function(x){var y=demangle(x);return x===y?x:y+\" [\"+x+\"]\"})}function jsStackTrace(){var err=new Error;if(!err.stack){try{throw new Error}catch(e){err=e}if(!err.stack){return\"(no stack trace available)\"}}return err.stack.toString()}function stackTrace(){var js=jsStackTrace();if(Module[\"extraStackTrace\"])js+=\"\\n\"+Module[\"extraStackTrace\"]();return demangleAll(js)}var PATH={splitPath:function(filename){var splitPathRe=/^(\\/?|)([\\s\\S]*?)((?:\\.{1,2}|[^\\/]+?|)(\\.[^.\\/]*|))(?:[\\/]*)$/;return splitPathRe.exec(filename).slice(1)},normalizeArray:function(parts,allowAboveRoot){var up=0;for(var i=parts.length-1;i>=0;i--){var last=parts[i];if(last===\".\"){parts.splice(i,1)}else if(last===\"..\"){parts.splice(i,1);up++}else if(up){parts.splice(i,1);up--}}if(allowAboveRoot){for(;up;up--){parts.unshift(\"..\")}}return parts},normalize:function(path){var isAbsolute=path.charAt(0)===\"/\",trailingSlash=path.substr(-1)===\"/\";path=PATH.normalizeArray(path.split(\"/\").filter(function(p){return!!p}),!isAbsolute).join(\"/\");if(!path&&!isAbsolute){path=\".\"}if(path&&trailingSlash){path+=\"/\"}return(isAbsolute?\"/\":\"\")+path},dirname:function(path){var result=PATH.splitPath(path),root=result[0],dir=result[1];if(!root&&!dir){return\".\"}if(dir){dir=dir.substr(0,dir.length-1)}return root+dir},basename:function(path){if(path===\"/\")return\"/\";var lastSlash=path.lastIndexOf(\"/\");if(lastSlash===-1)return path;return path.substr(lastSlash+1)},extname:function(path){return PATH.splitPath(path)[3]},join:function(){var paths=Array.prototype.slice.call(arguments,0);return PATH.normalize(paths.join(\"/\"))},join2:function(l,r){return PATH.normalize(l+\"/\"+r)}};function setErrNo(value){HEAP32[___errno_location()>>2]=value;return value}var PATH_FS={resolve:function(){var resolvedPath=\"\",resolvedAbsolute=false;for(var i=arguments.length-1;i>=-1&&!resolvedAbsolute;i--){var path=i>=0?arguments[i]:FS.cwd();if(typeof path!==\"string\"){throw new TypeError(\"Arguments to path.resolve must be strings\")}else if(!path){return\"\"}resolvedPath=path+\"/\"+resolvedPath;resolvedAbsolute=path.charAt(0)===\"/\"}resolvedPath=PATH.normalizeArray(resolvedPath.split(\"/\").filter(function(p){return!!p}),!resolvedAbsolute).join(\"/\");return(resolvedAbsolute?\"/\":\"\")+resolvedPath||\".\"},relative:function(from,to){from=PATH_FS.resolve(from).substr(1);to=PATH_FS.resolve(to).substr(1);function trim(arr){var start=0;for(;start<arr.length;start++){if(arr[start]!==\"\")break}var end=arr.length-1;for(;end>=0;end--){if(arr[end]!==\"\")break}if(start>end)return[];return arr.slice(start,end-start+1)}var fromParts=trim(from.split(\"/\"));var toParts=trim(to.split(\"/\"));var length=Math.min(fromParts.length,toParts.length);var samePartsLength=length;for(var i=0;i<length;i++){if(fromParts[i]!==toParts[i]){samePartsLength=i;break}}var outputParts=[];for(var i=samePartsLength;i<fromParts.length;i++){outputParts.push(\"..\")}outputParts=outputParts.concat(toParts.slice(samePartsLength));return outputParts.join(\"/\")}};var TTY={ttys:[],init:function(){},shutdown:function(){},register:function(dev,ops){TTY.ttys[dev]={input:[],output:[],ops:ops};FS.registerDevice(dev,TTY.stream_ops)},stream_ops:{open:function(stream){var tty=TTY.ttys[stream.node.rdev];if(!tty){throw new FS.ErrnoError(43)}stream.tty=tty;stream.seekable=false},close:function(stream){stream.tty.ops.flush(stream.tty)},flush:function(stream){stream.tty.ops.flush(stream.tty)},read:function(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.get_char){throw new FS.ErrnoError(60)}var bytesRead=0;for(var i=0;i<length;i++){var result;try{result=stream.tty.ops.get_char(stream.tty)}catch(e){throw new FS.ErrnoError(29)}if(result===undefined&&bytesRead===0){throw new FS.ErrnoError(6)}if(result===null||result===undefined)break;bytesRead++;buffer[offset+i]=result}if(bytesRead){stream.node.timestamp=Date.now()}return bytesRead},write:function(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.put_char){throw new FS.ErrnoError(60)}try{for(var i=0;i<length;i++){stream.tty.ops.put_char(stream.tty,buffer[offset+i])}}catch(e){throw new FS.ErrnoError(29)}if(length){stream.node.timestamp=Date.now()}return i}},default_tty_ops:{get_char:function(tty){if(!tty.input.length){var result=null;if(typeof window!=\"undefined\"&&typeof window.prompt==\"function\"){result=window.prompt(\"Input: \");if(result!==null){result+=\"\\n\"}}else if(typeof readline==\"function\"){result=readline();if(result!==null){result+=\"\\n\"}}if(!result){return null}tty.input=intArrayFromString(result,true)}return tty.input.shift()},put_char:function(tty,val){if(val===null||val===10){out(UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}},flush:function(tty){if(tty.output&&tty.output.length>0){out(UTF8ArrayToString(tty.output,0));tty.output=[]}}},default_tty1_ops:{put_char:function(tty,val){if(val===null||val===10){err(UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}},flush:function(tty){if(tty.output&&tty.output.length>0){err(UTF8ArrayToString(tty.output,0));tty.output=[]}}}};var MEMFS={ops_table:null,mount:function(mount){return MEMFS.createNode(null,\"/\",16384|511,0)},createNode:function(parent,name,mode,dev){if(FS.isBlkdev(mode)||FS.isFIFO(mode)){throw new FS.ErrnoError(63)}if(!MEMFS.ops_table){MEMFS.ops_table={dir:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,lookup:MEMFS.node_ops.lookup,mknod:MEMFS.node_ops.mknod,rename:MEMFS.node_ops.rename,unlink:MEMFS.node_ops.unlink,rmdir:MEMFS.node_ops.rmdir,readdir:MEMFS.node_ops.readdir,symlink:MEMFS.node_ops.symlink},stream:{llseek:MEMFS.stream_ops.llseek}},file:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:{llseek:MEMFS.stream_ops.llseek,read:MEMFS.stream_ops.read,write:MEMFS.stream_ops.write,allocate:MEMFS.stream_ops.allocate,mmap:MEMFS.stream_ops.mmap,msync:MEMFS.stream_ops.msync}},link:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,readlink:MEMFS.node_ops.readlink},stream:{}},chrdev:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:FS.chrdev_stream_ops}}}var node=FS.createNode(parent,name,mode,dev);if(FS.isDir(node.mode)){node.node_ops=MEMFS.ops_table.dir.node;node.stream_ops=MEMFS.ops_table.dir.stream;node.contents={}}else if(FS.isFile(node.mode)){node.node_ops=MEMFS.ops_table.file.node;node.stream_ops=MEMFS.ops_table.file.stream;node.usedBytes=0;node.contents=null}else if(FS.isLink(node.mode)){node.node_ops=MEMFS.ops_table.link.node;node.stream_ops=MEMFS.ops_table.link.stream}else if(FS.isChrdev(node.mode)){node.node_ops=MEMFS.ops_table.chrdev.node;node.stream_ops=MEMFS.ops_table.chrdev.stream}node.timestamp=Date.now();if(parent){parent.contents[name]=node}return node},getFileDataAsRegularArray:function(node){if(node.contents&&node.contents.subarray){var arr=[];for(var i=0;i<node.usedBytes;++i)arr.push(node.contents[i]);return arr}return node.contents},getFileDataAsTypedArray:function(node){if(!node.contents)return new Uint8Array(0);if(node.contents.subarray)return node.contents.subarray(0,node.usedBytes);return new Uint8Array(node.contents)},expandFileStorage:function(node,newCapacity){var prevCapacity=node.contents?node.contents.length:0;if(prevCapacity>=newCapacity)return;var CAPACITY_DOUBLING_MAX=1024*1024;newCapacity=Math.max(newCapacity,prevCapacity*(prevCapacity<CAPACITY_DOUBLING_MAX?2:1.125)>>>0);if(prevCapacity!=0)newCapacity=Math.max(newCapacity,256);var oldContents=node.contents;node.contents=new Uint8Array(newCapacity);if(node.usedBytes>0)node.contents.set(oldContents.subarray(0,node.usedBytes),0);return},resizeFileStorage:function(node,newSize){if(node.usedBytes==newSize)return;if(newSize==0){node.contents=null;node.usedBytes=0;return}if(!node.contents||node.contents.subarray){var oldContents=node.contents;node.contents=new Uint8Array(newSize);if(oldContents){node.contents.set(oldContents.subarray(0,Math.min(newSize,node.usedBytes)))}node.usedBytes=newSize;return}if(!node.contents)node.contents=[];if(node.contents.length>newSize)node.contents.length=newSize;else while(node.contents.length<newSize)node.contents.push(0);node.usedBytes=newSize},node_ops:{getattr:function(node){var attr={};attr.dev=FS.isChrdev(node.mode)?node.id:1;attr.ino=node.id;attr.mode=node.mode;attr.nlink=1;attr.uid=0;attr.gid=0;attr.rdev=node.rdev;if(FS.isDir(node.mode)){attr.size=4096}else if(FS.isFile(node.mode)){attr.size=node.usedBytes}else if(FS.isLink(node.mode)){attr.size=node.link.length}else{attr.size=0}attr.atime=new Date(node.timestamp);attr.mtime=new Date(node.timestamp);attr.ctime=new Date(node.timestamp);attr.blksize=4096;attr.blocks=Math.ceil(attr.size/attr.blksize);return attr},setattr:function(node,attr){if(attr.mode!==undefined){node.mode=attr.mode}if(attr.timestamp!==undefined){node.timestamp=attr.timestamp}if(attr.size!==undefined){MEMFS.resizeFileStorage(node,attr.size)}},lookup:function(parent,name){throw FS.genericErrors[44]},mknod:function(parent,name,mode,dev){return MEMFS.createNode(parent,name,mode,dev)},rename:function(old_node,new_dir,new_name){if(FS.isDir(old_node.mode)){var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(new_node){for(var i in new_node.contents){throw new FS.ErrnoError(55)}}}delete old_node.parent.contents[old_node.name];old_node.name=new_name;new_dir.contents[new_name]=old_node;old_node.parent=new_dir},unlink:function(parent,name){delete parent.contents[name]},rmdir:function(parent,name){var node=FS.lookupNode(parent,name);for(var i in node.contents){throw new FS.ErrnoError(55)}delete parent.contents[name]},readdir:function(node){var entries=[\".\",\"..\"];for(var key in node.contents){if(!node.contents.hasOwnProperty(key)){continue}entries.push(key)}return entries},symlink:function(parent,newname,oldpath){var node=MEMFS.createNode(parent,newname,511|40960,0);node.link=oldpath;return node},readlink:function(node){if(!FS.isLink(node.mode)){throw new FS.ErrnoError(28)}return node.link}},stream_ops:{read:function(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=stream.node.usedBytes)return 0;var size=Math.min(stream.node.usedBytes-position,length);if(size>8&&contents.subarray){buffer.set(contents.subarray(position,position+size),offset)}else{for(var i=0;i<size;i++)buffer[offset+i]=contents[position+i]}return size},write:function(stream,buffer,offset,length,position,canOwn){if(buffer.buffer===HEAP8.buffer){canOwn=false}if(!length)return 0;var node=stream.node;node.timestamp=Date.now();if(buffer.subarray&&(!node.contents||node.contents.subarray)){if(canOwn){node.contents=buffer.subarray(offset,offset+length);node.usedBytes=length;return length}else if(node.usedBytes===0&&position===0){node.contents=buffer.slice(offset,offset+length);node.usedBytes=length;return length}else if(position+length<=node.usedBytes){node.contents.set(buffer.subarray(offset,offset+length),position);return length}}MEMFS.expandFileStorage(node,position+length);if(node.contents.subarray&&buffer.subarray)node.contents.set(buffer.subarray(offset,offset+length),position);else{for(var i=0;i<length;i++){node.contents[position+i]=buffer[offset+i]}}node.usedBytes=Math.max(node.usedBytes,position+length);return length},llseek:function(stream,offset,whence){var position=offset;if(whence===1){position+=stream.position}else if(whence===2){if(FS.isFile(stream.node.mode)){position+=stream.node.usedBytes}}if(position<0){throw new FS.ErrnoError(28)}return position},allocate:function(stream,offset,length){MEMFS.expandFileStorage(stream.node,offset+length);stream.node.usedBytes=Math.max(stream.node.usedBytes,offset+length)},mmap:function(stream,buffer,offset,length,position,prot,flags){if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(43)}var ptr;var allocated;var contents=stream.node.contents;if(!(flags&2)&&contents.buffer===buffer.buffer){allocated=false;ptr=contents.byteOffset}else{if(position>0||position+length<contents.length){if(contents.subarray){contents=contents.subarray(position,position+length)}else{contents=Array.prototype.slice.call(contents,position,position+length)}}allocated=true;var fromHeap=buffer.buffer==HEAP8.buffer;ptr=_malloc(length);if(!ptr){throw new FS.ErrnoError(48)}(fromHeap?HEAP8:buffer).set(contents,ptr)}return{ptr:ptr,allocated:allocated}},msync:function(stream,buffer,offset,length,mmapFlags){if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(43)}if(mmapFlags&2){return 0}var bytesWritten=MEMFS.stream_ops.write(stream,buffer,0,length,offset,false);return 0}}};var FS={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:\"/\",initialized:false,ignorePermissions:true,trackingDelegate:{},tracking:{openFlags:{READ:1,WRITE:2}},ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,handleFSError:function(e){if(!(e instanceof FS.ErrnoError))throw e+\" : \"+stackTrace();return setErrNo(e.errno)},lookupPath:function(path,opts){path=PATH_FS.resolve(FS.cwd(),path);opts=opts||{};if(!path)return{path:\"\",node:null};var defaults={follow_mount:true,recurse_count:0};for(var key in defaults){if(opts[key]===undefined){opts[key]=defaults[key]}}if(opts.recurse_count>8){throw new FS.ErrnoError(32)}var parts=PATH.normalizeArray(path.split(\"/\").filter(function(p){return!!p}),false);var current=FS.root;var current_path=\"/\";for(var i=0;i<parts.length;i++){var islast=i===parts.length-1;if(islast&&opts.parent){break}current=FS.lookupNode(current,parts[i]);current_path=PATH.join2(current_path,parts[i]);if(FS.isMountpoint(current)){if(!islast||islast&&opts.follow_mount){current=current.mounted.root}}if(!islast||opts.follow){var count=0;while(FS.isLink(current.mode)){var link=FS.readlink(current_path);current_path=PATH_FS.resolve(PATH.dirname(current_path),link);var lookup=FS.lookupPath(current_path,{recurse_count:opts.recurse_count});current=lookup.node;if(count++>40){throw new FS.ErrnoError(32)}}}}return{path:current_path,node:current}},getPath:function(node){var path;while(true){if(FS.isRoot(node)){var mount=node.mount.mountpoint;if(!path)return mount;return mount[mount.length-1]!==\"/\"?mount+\"/\"+path:mount+path}path=path?node.name+\"/\"+path:node.name;node=node.parent}},hashName:function(parentid,name){var hash=0;for(var i=0;i<name.length;i++){hash=(hash<<5)-hash+name.charCodeAt(i)|0}return(parentid+hash>>>0)%FS.nameTable.length},hashAddNode:function(node){var hash=FS.hashName(node.parent.id,node.name);node.name_next=FS.nameTable[hash];FS.nameTable[hash]=node},hashRemoveNode:function(node){var hash=FS.hashName(node.parent.id,node.name);if(FS.nameTable[hash]===node){FS.nameTable[hash]=node.name_next}else{var current=FS.nameTable[hash];while(current){if(current.name_next===node){current.name_next=node.name_next;break}current=current.name_next}}},lookupNode:function(parent,name){var errCode=FS.mayLookup(parent);if(errCode){throw new FS.ErrnoError(errCode,parent)}var hash=FS.hashName(parent.id,name);for(var node=FS.nameTable[hash];node;node=node.name_next){var nodeName=node.name;if(node.parent.id===parent.id&&nodeName===name){return node}}return FS.lookup(parent,name)},createNode:function(parent,name,mode,rdev){var node=new FS.FSNode(parent,name,mode,rdev);FS.hashAddNode(node);return node},destroyNode:function(node){FS.hashRemoveNode(node)},isRoot:function(node){return node===node.parent},isMountpoint:function(node){return!!node.mounted},isFile:function(mode){return(mode&61440)===32768},isDir:function(mode){return(mode&61440)===16384},isLink:function(mode){return(mode&61440)===40960},isChrdev:function(mode){return(mode&61440)===8192},isBlkdev:function(mode){return(mode&61440)===24576},isFIFO:function(mode){return(mode&61440)===4096},isSocket:function(mode){return(mode&49152)===49152},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){var flags=FS.flagModes[str];if(typeof flags===\"undefined\"){throw new Error(\"Unknown file open mode: \"+str)}return flags},flagsToPermissionString:function(flag){var perms=[\"r\",\"w\",\"rw\"][flag&3];if(flag&512){perms+=\"w\"}return perms},nodePermissions:function(node,perms){if(FS.ignorePermissions){return 0}if(perms.indexOf(\"r\")!==-1&&!(node.mode&292)){return 2}else if(perms.indexOf(\"w\")!==-1&&!(node.mode&146)){return 2}else if(perms.indexOf(\"x\")!==-1&&!(node.mode&73)){return 2}return 0},mayLookup:function(dir){var errCode=FS.nodePermissions(dir,\"x\");if(errCode)return errCode;if(!dir.node_ops.lookup)return 2;return 0},mayCreate:function(dir,name){try{var node=FS.lookupNode(dir,name);return 20}catch(e){}return FS.nodePermissions(dir,\"wx\")},mayDelete:function(dir,name,isdir){var node;try{node=FS.lookupNode(dir,name)}catch(e){return e.errno}var errCode=FS.nodePermissions(dir,\"wx\");if(errCode){return errCode}if(isdir){if(!FS.isDir(node.mode)){return 54}if(FS.isRoot(node)||FS.getPath(node)===FS.cwd()){return 10}}else{if(FS.isDir(node.mode)){return 31}}return 0},mayOpen:function(node,flags){if(!node){return 44}if(FS.isLink(node.mode)){return 32}else if(FS.isDir(node.mode)){if(FS.flagsToPermissionString(flags)!==\"r\"||flags&512){return 31}}return FS.nodePermissions(node,FS.flagsToPermissionString(flags))},MAX_OPEN_FDS:4096,nextfd:function(fd_start,fd_end){fd_start=fd_start||0;fd_end=fd_end||FS.MAX_OPEN_FDS;for(var fd=fd_start;fd<=fd_end;fd++){if(!FS.streams[fd]){return fd}}throw new FS.ErrnoError(33)},getStream:function(fd){return FS.streams[fd]},createStream:function(stream,fd_start,fd_end){if(!FS.FSStream){FS.FSStream=function(){};FS.FSStream.prototype={object:{get:function(){return this.node},set:function(val){this.node=val}},isRead:{get:function(){return(this.flags&2097155)!==1}},isWrite:{get:function(){return(this.flags&2097155)!==0}},isAppend:{get:function(){return this.flags&1024}}}}var newStream=new FS.FSStream;for(var p in stream){newStream[p]=stream[p]}stream=newStream;var fd=FS.nextfd(fd_start,fd_end);stream.fd=fd;FS.streams[fd]=stream;return stream},closeStream:function(fd){FS.streams[fd]=null},chrdev_stream_ops:{open:function(stream){var device=FS.getDevice(stream.node.rdev);stream.stream_ops=device.stream_ops;if(stream.stream_ops.open){stream.stream_ops.open(stream)}},llseek:function(){throw new FS.ErrnoError(70)}},major:function(dev){return dev>>8},minor:function(dev){return dev&255},makedev:function(ma,mi){return ma<<8|mi},registerDevice:function(dev,ops){FS.devices[dev]={stream_ops:ops}},getDevice:function(dev){return FS.devices[dev]},getMounts:function(mount){var mounts=[];var check=[mount];while(check.length){var m=check.pop();mounts.push(m);check.push.apply(check,m.mounts)}return mounts},syncfs:function(populate,callback){if(typeof populate===\"function\"){callback=populate;populate=false}FS.syncFSRequests++;if(FS.syncFSRequests>1){err(\"warning: \"+FS.syncFSRequests+\" FS.syncfs operations in flight at once, probably just doing extra work\")}var mounts=FS.getMounts(FS.root.mount);var completed=0;function doCallback(errCode){FS.syncFSRequests--;return callback(errCode)}function done(errCode){if(errCode){if(!done.errored){done.errored=true;return doCallback(errCode)}return}if(++completed>=mounts.length){doCallback(null)}}mounts.forEach(function(mount){if(!mount.type.syncfs){return done(null)}mount.type.syncfs(mount,populate,done)})},mount:function(type,opts,mountpoint){var root=mountpoint===\"/\";var pseudo=!mountpoint;var node;if(root&&FS.root){throw new FS.ErrnoError(10)}else if(!root&&!pseudo){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});mountpoint=lookup.path;node=lookup.node;if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}if(!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}}var mount={type:type,opts:opts,mountpoint:mountpoint,mounts:[]};var mountRoot=type.mount(mount);mountRoot.mount=mount;mount.root=mountRoot;if(root){FS.root=mountRoot}else if(node){node.mounted=mount;if(node.mount){node.mount.mounts.push(mount)}}return mountRoot},unmount:function(mountpoint){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});if(!FS.isMountpoint(lookup.node)){throw new FS.ErrnoError(28)}var node=lookup.node;var mount=node.mounted;var mounts=FS.getMounts(mount);Object.keys(FS.nameTable).forEach(function(hash){var current=FS.nameTable[hash];while(current){var next=current.name_next;if(mounts.indexOf(current.mount)!==-1){FS.destroyNode(current)}current=next}});node.mounted=null;var idx=node.mount.mounts.indexOf(mount);node.mount.mounts.splice(idx,1)},lookup:function(parent,name){return parent.node_ops.lookup(parent,name)},mknod:function(path,mode,dev){var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);if(!name||name===\".\"||name===\"..\"){throw new FS.ErrnoError(28)}var errCode=FS.mayCreate(parent,name);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.mknod){throw new FS.ErrnoError(63)}return parent.node_ops.mknod(parent,name,mode,dev)},create:function(path,mode){mode=mode!==undefined?mode:438;mode&=4095;mode|=32768;return FS.mknod(path,mode,0)},mkdir:function(path,mode){mode=mode!==undefined?mode:511;mode&=511|512;mode|=16384;return FS.mknod(path,mode,0)},mkdirTree:function(path,mode){var dirs=path.split(\"/\");var d=\"\";for(var i=0;i<dirs.length;++i){if(!dirs[i])continue;d+=\"/\"+dirs[i];try{FS.mkdir(d,mode)}catch(e){if(e.errno!=20)throw e}}},mkdev:function(path,mode,dev){if(typeof dev===\"undefined\"){dev=mode;mode=438}mode|=8192;return FS.mknod(path,mode,dev)},symlink:function(oldpath,newpath){if(!PATH_FS.resolve(oldpath)){throw new FS.ErrnoError(44)}var lookup=FS.lookupPath(newpath,{parent:true});var parent=lookup.node;if(!parent){throw new FS.ErrnoError(44)}var newname=PATH.basename(newpath);var errCode=FS.mayCreate(parent,newname);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.symlink){throw new FS.ErrnoError(63)}return parent.node_ops.symlink(parent,newname,oldpath)},rename:function(old_path,new_path){var old_dirname=PATH.dirname(old_path);var new_dirname=PATH.dirname(new_path);var old_name=PATH.basename(old_path);var new_name=PATH.basename(new_path);var lookup,old_dir,new_dir;try{lookup=FS.lookupPath(old_path,{parent:true});old_dir=lookup.node;lookup=FS.lookupPath(new_path,{parent:true});new_dir=lookup.node}catch(e){throw new FS.ErrnoError(10)}if(!old_dir||!new_dir)throw new FS.ErrnoError(44);if(old_dir.mount!==new_dir.mount){throw new FS.ErrnoError(75)}var old_node=FS.lookupNode(old_dir,old_name);var relative=PATH_FS.relative(old_path,new_dirname);if(relative.charAt(0)!==\".\"){throw new FS.ErrnoError(28)}relative=PATH_FS.relative(new_path,old_dirname);if(relative.charAt(0)!==\".\"){throw new FS.ErrnoError(55)}var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(old_node===new_node){return}var isdir=FS.isDir(old_node.mode);var errCode=FS.mayDelete(old_dir,old_name,isdir);if(errCode){throw new FS.ErrnoError(errCode)}errCode=new_node?FS.mayDelete(new_dir,new_name,isdir):FS.mayCreate(new_dir,new_name);if(errCode){throw new FS.ErrnoError(errCode)}if(!old_dir.node_ops.rename){throw new FS.ErrnoError(63)}if(FS.isMountpoint(old_node)||new_node&&FS.isMountpoint(new_node)){throw new FS.ErrnoError(10)}if(new_dir!==old_dir){errCode=FS.nodePermissions(old_dir,\"w\");if(errCode){throw new FS.ErrnoError(errCode)}}try{if(FS.trackingDelegate[\"willMovePath\"]){FS.trackingDelegate[\"willMovePath\"](old_path,new_path)}}catch(e){err(\"FS.trackingDelegate['willMovePath']('\"+old_path+\"', '\"+new_path+\"') threw an exception: \"+e.message)}FS.hashRemoveNode(old_node);try{old_dir.node_ops.rename(old_node,new_dir,new_name)}catch(e){throw e}finally{FS.hashAddNode(old_node)}try{if(FS.trackingDelegate[\"onMovePath\"])FS.trackingDelegate[\"onMovePath\"](old_path,new_path)}catch(e){err(\"FS.trackingDelegate['onMovePath']('\"+old_path+\"', '\"+new_path+\"') threw an exception: \"+e.message)}},rmdir:function(path){var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);var node=FS.lookupNode(parent,name);var errCode=FS.mayDelete(parent,name,true);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.rmdir){throw new FS.ErrnoError(63)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}try{if(FS.trackingDelegate[\"willDeletePath\"]){FS.trackingDelegate[\"willDeletePath\"](path)}}catch(e){err(\"FS.trackingDelegate['willDeletePath']('\"+path+\"') threw an exception: \"+e.message)}parent.node_ops.rmdir(parent,name);FS.destroyNode(node);try{if(FS.trackingDelegate[\"onDeletePath\"])FS.trackingDelegate[\"onDeletePath\"](path)}catch(e){err(\"FS.trackingDelegate['onDeletePath']('\"+path+\"') threw an exception: \"+e.message)}},readdir:function(path){var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;if(!node.node_ops.readdir){throw new FS.ErrnoError(54)}return node.node_ops.readdir(node)},unlink:function(path){var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);var node=FS.lookupNode(parent,name);var errCode=FS.mayDelete(parent,name,false);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.unlink){throw new FS.ErrnoError(63)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}try{if(FS.trackingDelegate[\"willDeletePath\"]){FS.trackingDelegate[\"willDeletePath\"](path)}}catch(e){err(\"FS.trackingDelegate['willDeletePath']('\"+path+\"') threw an exception: \"+e.message)}parent.node_ops.unlink(parent,name);FS.destroyNode(node);try{if(FS.trackingDelegate[\"onDeletePath\"])FS.trackingDelegate[\"onDeletePath\"](path)}catch(e){err(\"FS.trackingDelegate['onDeletePath']('\"+path+\"') threw an exception: \"+e.message)}},readlink:function(path){var lookup=FS.lookupPath(path);var link=lookup.node;if(!link){throw new FS.ErrnoError(44)}if(!link.node_ops.readlink){throw new FS.ErrnoError(28)}return PATH_FS.resolve(FS.getPath(link.parent),link.node_ops.readlink(link))},stat:function(path,dontFollow){var lookup=FS.lookupPath(path,{follow:!dontFollow});var node=lookup.node;if(!node){throw new FS.ErrnoError(44)}if(!node.node_ops.getattr){throw new FS.ErrnoError(63)}return node.node_ops.getattr(node)},lstat:function(path){return FS.stat(path,true)},chmod:function(path,mode,dontFollow){var node;if(typeof path===\"string\"){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}node.node_ops.setattr(node,{mode:mode&4095|node.mode&~4095,timestamp:Date.now()})},lchmod:function(path,mode){FS.chmod(path,mode,true)},fchmod:function(fd,mode){var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}FS.chmod(stream.node,mode)},chown:function(path,uid,gid,dontFollow){var node;if(typeof path===\"string\"){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}node.node_ops.setattr(node,{timestamp:Date.now()})},lchown:function(path,uid,gid){FS.chown(path,uid,gid,true)},fchown:function(fd,uid,gid){var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}FS.chown(stream.node,uid,gid)},truncate:function(path,len){if(len<0){throw new FS.ErrnoError(28)}var node;if(typeof path===\"string\"){var lookup=FS.lookupPath(path,{follow:true});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}if(FS.isDir(node.mode)){throw new FS.ErrnoError(31)}if(!FS.isFile(node.mode)){throw new FS.ErrnoError(28)}var errCode=FS.nodePermissions(node,\"w\");if(errCode){throw new FS.ErrnoError(errCode)}node.node_ops.setattr(node,{size:len,timestamp:Date.now()})},ftruncate:function(fd,len){var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(28)}FS.truncate(stream.node,len)},utime:function(path,atime,mtime){var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;node.node_ops.setattr(node,{timestamp:Math.max(atime,mtime)})},open:function(path,flags,mode,fd_start,fd_end){if(path===\"\"){throw new FS.ErrnoError(44)}flags=typeof flags===\"string\"?FS.modeStringToFlags(flags):flags;mode=typeof mode===\"undefined\"?438:mode;if(flags&64){mode=mode&4095|32768}else{mode=0}var node;if(typeof path===\"object\"){node=path}else{path=PATH.normalize(path);try{var lookup=FS.lookupPath(path,{follow:!(flags&131072)});node=lookup.node}catch(e){}}var created=false;if(flags&64){if(node){if(flags&128){throw new FS.ErrnoError(20)}}else{node=FS.mknod(path,mode,0);created=true}}if(!node){throw new FS.ErrnoError(44)}if(FS.isChrdev(node.mode)){flags&=~512}if(flags&65536&&!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}if(!created){var errCode=FS.mayOpen(node,flags);if(errCode){throw new FS.ErrnoError(errCode)}}if(flags&512){FS.truncate(node,0)}flags&=~(128|512|131072);var stream=FS.createStream({node:node,path:FS.getPath(node),flags:flags,seekable:true,position:0,stream_ops:node.stream_ops,ungotten:[],error:false},fd_start,fd_end);if(stream.stream_ops.open){stream.stream_ops.open(stream)}if(Module[\"logReadFiles\"]&&!(flags&1)){if(!FS.readFiles)FS.readFiles={};if(!(path in FS.readFiles)){FS.readFiles[path]=1;err(\"FS.trackingDelegate error on read file: \"+path)}}try{if(FS.trackingDelegate[\"onOpenFile\"]){var trackingFlags=0;if((flags&2097155)!==1){trackingFlags|=FS.tracking.openFlags.READ}if((flags&2097155)!==0){trackingFlags|=FS.tracking.openFlags.WRITE}FS.trackingDelegate[\"onOpenFile\"](path,trackingFlags)}}catch(e){err(\"FS.trackingDelegate['onOpenFile']('\"+path+\"', flags) threw an exception: \"+e.message)}return stream},close:function(stream){if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(stream.getdents)stream.getdents=null;try{if(stream.stream_ops.close){stream.stream_ops.close(stream)}}catch(e){throw e}finally{FS.closeStream(stream.fd)}stream.fd=null},isClosed:function(stream){return stream.fd===null},llseek:function(stream,offset,whence){if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(!stream.seekable||!stream.stream_ops.llseek){throw new FS.ErrnoError(70)}if(whence!=0&&whence!=1&&whence!=2){throw new FS.ErrnoError(28)}stream.position=stream.stream_ops.llseek(stream,offset,whence);stream.ungotten=[];return stream.position},read:function(stream,buffer,offset,length,position){if(length<0||position<0){throw new FS.ErrnoError(28)}if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(8)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(31)}if(!stream.stream_ops.read){throw new FS.ErrnoError(28)}var seeking=typeof position!==\"undefined\";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(70)}var bytesRead=stream.stream_ops.read(stream,buffer,offset,length,position);if(!seeking)stream.position+=bytesRead;return bytesRead},write:function(stream,buffer,offset,length,position,canOwn){if(length<0||position<0){throw new FS.ErrnoError(28)}if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(8)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(31)}if(!stream.stream_ops.write){throw new FS.ErrnoError(28)}if(stream.seekable&&stream.flags&1024){FS.llseek(stream,0,2)}var seeking=typeof position!==\"undefined\";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(70)}var bytesWritten=stream.stream_ops.write(stream,buffer,offset,length,position,canOwn);if(!seeking)stream.position+=bytesWritten;try{if(stream.path&&FS.trackingDelegate[\"onWriteToFile\"])FS.trackingDelegate[\"onWriteToFile\"](stream.path)}catch(e){err(\"FS.trackingDelegate['onWriteToFile']('\"+stream.path+\"') threw an exception: \"+e.message)}return bytesWritten},allocate:function(stream,offset,length){if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(offset<0||length<=0){throw new FS.ErrnoError(28)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(8)}if(!FS.isFile(stream.node.mode)&&!FS.isDir(stream.node.mode)){throw new FS.ErrnoError(43)}if(!stream.stream_ops.allocate){throw new FS.ErrnoError(138)}stream.stream_ops.allocate(stream,offset,length)},mmap:function(stream,buffer,offset,length,position,prot,flags){if((prot&2)!==0&&(flags&2)===0&&(stream.flags&2097155)!==2){throw new FS.ErrnoError(2)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(2)}if(!stream.stream_ops.mmap){throw new FS.ErrnoError(43)}return stream.stream_ops.mmap(stream,buffer,offset,length,position,prot,flags)},msync:function(stream,buffer,offset,length,mmapFlags){if(!stream||!stream.stream_ops.msync){return 0}return stream.stream_ops.msync(stream,buffer,offset,length,mmapFlags)},munmap:function(stream){return 0},ioctl:function(stream,cmd,arg){if(!stream.stream_ops.ioctl){throw new FS.ErrnoError(59)}return stream.stream_ops.ioctl(stream,cmd,arg)},readFile:function(path,opts){opts=opts||{};opts.flags=opts.flags||\"r\";opts.encoding=opts.encoding||\"binary\";if(opts.encoding!==\"utf8\"&&opts.encoding!==\"binary\"){throw new Error('Invalid encoding type \"'+opts.encoding+'\"')}var ret;var stream=FS.open(path,opts.flags);var stat=FS.stat(path);var length=stat.size;var buf=new Uint8Array(length);FS.read(stream,buf,0,length,0);if(opts.encoding===\"utf8\"){ret=UTF8ArrayToString(buf,0)}else if(opts.encoding===\"binary\"){ret=buf}FS.close(stream);return ret},writeFile:function(path,data,opts){opts=opts||{};opts.flags=opts.flags||\"w\";var stream=FS.open(path,opts.flags,opts.mode);if(typeof data===\"string\"){var buf=new Uint8Array(lengthBytesUTF8(data)+1);var actualNumBytes=stringToUTF8Array(data,buf,0,buf.length);FS.write(stream,buf,0,actualNumBytes,undefined,opts.canOwn)}else if(ArrayBuffer.isView(data)){FS.write(stream,data,0,data.byteLength,undefined,opts.canOwn)}else{throw new Error(\"Unsupported data type\")}FS.close(stream)},cwd:function(){return FS.currentPath},chdir:function(path){var lookup=FS.lookupPath(path,{follow:true});if(lookup.node===null){throw new FS.ErrnoError(44)}if(!FS.isDir(lookup.node.mode)){throw new FS.ErrnoError(54)}var errCode=FS.nodePermissions(lookup.node,\"x\");if(errCode){throw new FS.ErrnoError(errCode)}FS.currentPath=lookup.path},createDefaultDirectories:function(){FS.mkdir(\"/tmp\");FS.mkdir(\"/home\");FS.mkdir(\"/home/web_user\")},createDefaultDevices:function(){FS.mkdir(\"/dev\");FS.registerDevice(FS.makedev(1,3),{read:function(){return 0},write:function(stream,buffer,offset,length,pos){return length}});FS.mkdev(\"/dev/null\",FS.makedev(1,3));TTY.register(FS.makedev(5,0),TTY.default_tty_ops);TTY.register(FS.makedev(6,0),TTY.default_tty1_ops);FS.mkdev(\"/dev/tty\",FS.makedev(5,0));FS.mkdev(\"/dev/tty1\",FS.makedev(6,0));var random_device;if(typeof crypto===\"object\"&&typeof crypto[\"getRandomValues\"]===\"function\"){var randomBuffer=new Uint8Array(1);random_device=function(){crypto.getRandomValues(randomBuffer);return randomBuffer[0]}}else{}if(!random_device){random_device=function(){abort(\"random_device\")}}FS.createDevice(\"/dev\",\"random\",random_device);FS.createDevice(\"/dev\",\"urandom\",random_device);FS.mkdir(\"/dev/shm\");FS.mkdir(\"/dev/shm/tmp\")},createSpecialDirectories:function(){FS.mkdir(\"/proc\");FS.mkdir(\"/proc/self\");FS.mkdir(\"/proc/self/fd\");FS.mount({mount:function(){var node=FS.createNode(\"/proc/self\",\"fd\",16384|511,73);node.node_ops={lookup:function(parent,name){var fd=+name;var stream=FS.getStream(fd);if(!stream)throw new FS.ErrnoError(8);var ret={parent:null,mount:{mountpoint:\"fake\"},node_ops:{readlink:function(){return stream.path}}};ret.parent=ret;return ret}};return node}},{},\"/proc/self/fd\")},createStandardStreams:function(){if(Module[\"stdin\"]){FS.createDevice(\"/dev\",\"stdin\",Module[\"stdin\"])}else{FS.symlink(\"/dev/tty\",\"/dev/stdin\")}if(Module[\"stdout\"]){FS.createDevice(\"/dev\",\"stdout\",null,Module[\"stdout\"])}else{FS.symlink(\"/dev/tty\",\"/dev/stdout\")}if(Module[\"stderr\"]){FS.createDevice(\"/dev\",\"stderr\",null,Module[\"stderr\"])}else{FS.symlink(\"/dev/tty1\",\"/dev/stderr\")}var stdin=FS.open(\"/dev/stdin\",\"r\");var stdout=FS.open(\"/dev/stdout\",\"w\");var stderr=FS.open(\"/dev/stderr\",\"w\")},ensureErrnoError:function(){if(FS.ErrnoError)return;FS.ErrnoError=function ErrnoError(errno,node){this.node=node;this.setErrno=function(errno){this.errno=errno};this.setErrno(errno);this.message=\"FS error\"};FS.ErrnoError.prototype=new Error;FS.ErrnoError.prototype.constructor=FS.ErrnoError;[44].forEach(function(code){FS.genericErrors[code]=new FS.ErrnoError(code);FS.genericErrors[code].stack=\"<generic error, no stack>\"})},staticInit:function(){FS.ensureErrnoError();FS.nameTable=new Array(4096);FS.mount(MEMFS,{},\"/\");FS.createDefaultDirectories();FS.createDefaultDevices();FS.createSpecialDirectories();FS.filesystems={\"MEMFS\":MEMFS}},init:function(input,output,error){FS.init.initialized=true;FS.ensureErrnoError();Module[\"stdin\"]=input||Module[\"stdin\"];Module[\"stdout\"]=output||Module[\"stdout\"];Module[\"stderr\"]=error||Module[\"stderr\"];FS.createStandardStreams()},quit:function(){FS.init.initialized=false;var fflush=Module[\"_fflush\"];if(fflush)fflush(0);for(var i=0;i<FS.streams.length;i++){var stream=FS.streams[i];if(!stream){continue}FS.close(stream)}},getMode:function(canRead,canWrite){var mode=0;if(canRead)mode|=292|73;if(canWrite)mode|=146;return mode},joinPath:function(parts,forceRelative){var path=PATH.join.apply(null,parts);if(forceRelative&&path[0]==\"/\")path=path.substr(1);return path},absolutePath:function(relative,base){return PATH_FS.resolve(base,relative)},standardizePath:function(path){return PATH.normalize(path)},findObject:function(path,dontResolveLastLink){var ret=FS.analyzePath(path,dontResolveLastLink);if(ret.exists){return ret.object}else{setErrNo(ret.error);return null}},analyzePath:function(path,dontResolveLastLink){try{var lookup=FS.lookupPath(path,{follow:!dontResolveLastLink});path=lookup.path}catch(e){}var ret={isRoot:false,exists:false,error:0,name:null,path:null,object:null,parentExists:false,parentPath:null,parentObject:null};try{var lookup=FS.lookupPath(p