chess-project/public/stockfish/stockfish.wasm.js

/*!
 * Stockfish copyright T. Romstad, M. Costalba, J. Kiiski, G. Linscott
 * and other contributors.
 *
 * Multi-variant support by Daniel Dugovic and contributors:
 * https://github.com/ddugovic/Stockfish
 *
 * Released under the GNU General Public License v3.
 *
 * Compiled to JavaScript and Webassembly by Niklas Fiekas
 * <niklas.fiekas@backscattering.de> using Emscripten and Binaryen.
 *
 * https://github.com/niklasf/stockfish.js
 */

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getFuncWrapper(r,t){if(r){assert(t),funcWrappers[t]||(funcWrappers[t]={});var e=funcWrappers[t];return e[r]||(1===t.length?e[r]=function(){return dynCall(t,r)}:2===t.length?e[r]=function(e){return dynCall(t,r,[e])}:e[r]=function(){return dynCall(t,r,Array.prototype.slice.call(arguments))}),e[r]}}function dynCall(e,r,t){return t&&t.length?Module["dynCall_"+e].apply(null,[r].concat(t)):Module["dynCall_"+e].call(null,r)}var wasmBinary,wasmMemory,wasmTable,tempRet0=0,setTempRet0=function(e){tempRet0=e},getTempRet0=function(){return tempRet0};function 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e.input.shift()},put_char:function(e,r){null===r||10===r?(out(UTF8ArrayToString(e.output,0)),e.output=[]):0!=r&&e.output.push(r)},flush:function(e){e.output&&0<e.output.length&&(out(UTF8ArrayToString(e.output,0)),e.output=[])}},default_tty1_ops:{put_char:function(e,r){null===r||10===r?(err(UTF8ArrayToString(e.output,0)),e.output=[]):0!=r&&e.output.push(r)},flush:function(e){e.output&&0<e.output.length&&(err(UTF8ArrayToString(e.output,0)),e.output=[])}}},MEMFS={ops_table:null,mount:function(e){return MEMFS.createNode(null,"/",16895,0)},createNode:function(e,r,t,n){if(FS.isBlkdev(t)||FS.isFIFO(t))throw new FS.ErrnoError(1);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 o=FS.createNode(e,r,t,n);return FS.isDir(o.mode)?(o.node_ops=MEMFS.ops_table.dir.node,o.stream_ops=MEMFS.ops_table.dir.stream,o.contents={}):FS.isFile(o.mode)?(o.node_ops=MEMFS.ops_table.file.node,o.stream_ops=MEMFS.ops_table.file.stream,o.usedBytes=0,o.contents=null):FS.isLink(o.mode)?(o.node_ops=MEMFS.ops_table.link.node,o.stream_ops=MEMFS.ops_table.link.stream):FS.isChrdev(o.mode)&&(o.node_ops=MEMFS.ops_table.chrdev.node,o.stream_ops=MEMFS.ops_table.chrdev.stream),o.timestamp=Date.now(),e&&(e.contents[r]=o),o},getFileDataAsRegularArray:function(e){if(e.contents&&e.contents.subarray){for(var r=[],t=0;t<e.usedBytes;++t)r.push(e.contents[t]);return r}return e.contents},getFileDataAsTypedArray:function(e){return e.contents?e.contents.subarray?e.contents.subarray(0,e.usedBytes):new Uint8Array(e.contents):new Uint8Array},expandFileStorage:function(e,r){var t=e.contents?e.contents.length:0;if(!(r<=t)){r=Math.max(r,t*(t<1048576?2:1.125)|0),0!=t&&(r=Math.max(r,256));var n=e.contents;e.contents=new Uint8Array(r),0<e.usedBytes&&e.contents.set(n.subarray(0,e.usedBytes),0)}},resizeFileStorage:function(e,r){if(e.usedBytes!=r){if(0==r)return e.contents=null,void(e.usedBytes=0);if(!e.contents||e.contents.subarray){var t=e.contents;return e.contents=new Uint8Array(new ArrayBuffer(r)),t&&e.contents.set(t.subarray(0,Math.min(r,e.usedBytes))),void(e.usedBytes=r)}if(e.contents||(e.contents=[]),e.contents.length>r)e.contents.length=r;else for(;e.contents.length<r;)e.contents.push(0);e.usedBytes=r}},node_ops:{getattr:function(e){var r={};return r.dev=FS.isChrdev(e.mode)?e.id:1,r.ino=e.id,r.mode=e.mode,r.nlink=1,r.uid=0,r.gid=0,r.rdev=e.rdev,FS.isDir(e.mode)?r.size=4096:FS.isFile(e.mode)?r.size=e.usedBytes:FS.isLink(e.mode)?r.size=e.link.length:r.size=0,r.atime=new Date(e.timestamp),r.mtime=new Date(e.timestamp),r.ctime=new Date(e.timestamp),r.blksize=4096,r.blocks=Math.ceil(r.size/r.blksize),r},setattr:function(e,r){void 0!==r.mode&&(e.mode=r.mode),void 0!==r.timestamp&&(e.timestamp=r.timestamp),void 0!==r.size&&MEMFS.resizeFileStorage(e,r.size)},lookup:function(e,r){throw FS.genericErrors[2]},mknod:function(e,r,t,n){return MEMFS.createNode(e,r,t,n)},rename:function(e,r,t){if(FS.isDir(e.mode)){var n;try{n=FS.lookupNode(r,t)}catch(e){}if(n)for(var o in n.contents)throw new FS.ErrnoError(39)}delete e.parent.contents[e.name],e.name=t,(r.contents[t]=e).parent=r},unlink:function(e,r){delete e.contents[r]},rmdir:function(e,r){var t=FS.lookupNode(e,r);for(var n in t.contents)throw new FS.ErrnoError(39);delete e.contents[r]},readdir:function(e){var r=[".",".."];for(var t in e.contents)e.contents.hasOwnProperty(t)&&r.push(t);return r},symlink:function(e,r,t){var n=MEMFS.createNode(e,r,41471,0);return n.link=t,n},readlink:function(e){if(!FS.isLink(e.mode))throw new FS.ErrnoError(22);return e.link}},stream_ops:{read:function(e,r,t,n,o){var i=e.node.contents;if(o>=e.node.usedBytes)return 0;var a=Math.min(e.node.usedBytes-o,n);if(8<a&&i.subarray)r.set(i.subarray(o,o+a),t);else for(var s=0;s<a;s++)r[t+s]=i[o+s];return a},write:function(e,r,t,n,o,i){if(!n)return 0;var a=e.node;if(a.timestamp=Date.now(),r.subarray&&(!a.contents||a.contents.subarray)){if(i)return a.contents=r.subarray(t,t+n),a.usedBytes=n;if(0===a.usedBytes&&0===o)return a.contents=new Uint8Array(r.subarray(t,t+n)),a.usedBytes=n;if(o+n<=a.usedBytes)return a.contents.set(r.subarray(t,t+n),o),n}if(MEMFS.expandFileStorage(a,o+n),a.contents.subarray&&r.subarray)a.contents.set(r.subarray(t,t+n),o);else for(var s=0;s<n;s++)a.contents[o+s]=r[t+s];return a.usedBytes=Math.max(a.usedBytes,o+n),n},llseek:function(e,r,t){var n=r;if(1===t?n+=e.position:2===t&&FS.isFile(e.node.mode)&&(n+=e.node.usedBytes),n<0)throw new FS.ErrnoError(22);return n},allocate:function(e,r,t){MEMFS.expandFileStorage(e.node,r+t),e.node.usedBytes=Math.max(e.node.usedBytes,r+t)},mmap:function(e,r,t,n,o,i,a){if(!FS.isFile(e.node.mode))throw new FS.ErrnoError(19);var s,u,l=e.node.contents;if(2&a||l.buffer!==r&&l.buffer!==r.buffer){(0<o||o+n<e.node.usedBytes)&&(l=l.subarray?l.subarray(o,o+n):Array.prototype.slice.call(l,o,o+n)),u=!0;var c=r.buffer==HEAP8.buffer;if(!(s=_malloc(n)))throw new FS.ErrnoError(12);(c?HEAP8:r).set(l,s)}else u=!1,s=l.byteOffset;return{ptr:s,allocated:u}},msync:function(e,r,t,n,o){if(!FS.isFile(e.node.mode))throw new FS.ErrnoError(19);if(2&o)return 0;MEMFS.stream_ops.write(e,r,0,n,t,!1);return 0}}},IDBFS={dbs:{},indexedDB:function(){if("undefined"!=typeof indexedDB)return indexedDB;var e=null;return"object"==typeof window&&(e=window.indexedDB||window.mozIndexedDB||window.webkitIndexedDB||window.msIndexedDB),assert(e,"IDBFS used, but indexedDB not supported"),e},DB_VERSION:21,DB_STORE_NAME:"FILE_DATA",mount:function(e){return MEMFS.mount.apply(null,arguments)},syncfs:function(r,i,a){IDBFS.getLocalSet(r,function(e,o){if(e)return a(e);IDBFS.getRemoteSet(r,function(e,r){if(e)return a(e);var t=i?r:o,n=i?o:r;IDBFS.reconcile(t,n,a)})})},getDB:function(e,r){var t,n=IDBFS.dbs[e];if(n)return r(null,n);try{t=IDBFS.indexedDB().open(e,IDBFS.DB_VERSION)}catch(e){return r(e)}if(!t)return r("Unable to connect to IndexedDB");t.onupgradeneeded=function(e){var r,t=e.target.result,n=e.target.transaction;(r=t.objectStoreNames.contains(IDBFS.DB_STORE_NAME)?n.objectStore(IDBFS.DB_STORE_NAME):t.createObjectStore(IDBFS.DB_STORE_NAME)).indexNames.contains("timestamp")||r.createIndex("timestamp","timestamp",{unique:!1})},t.onsuccess=function(){n=t.result,IDBFS.dbs[e]=n,r(null,n)},t.onerror=function(e){r(this.error),e.preventDefault()}},getLocalSet:function(e,r){var t={};function n(e){return"."!==e&&".."!==e}function o(r){return function(e){return PATH.join2(r,e)}}for(var i=FS.readdir(e.mountpoint).filter(n).map(o(e.mountpoint));i.length;){var a,s=i.pop();try{a=FS.stat(s)}catch(e){return r(e)}FS.isDir(a.mode)&&i.push.apply(i,FS.readdir(s).filter(n).map(o(s))),t[s]={timestamp:a.mtime}}return r(null,{type:"local",entries:t})},getRemoteSet:function(e,n){var o={};IDBFS.getDB(e.mountpoint,function(e,t){if(e)return n(e);try{var r=t.transaction([IDBFS.DB_STORE_NAME],"readonly");r.onerror=function(e){n(this.error),e.preventDefault()},r.objectStore(IDBFS.DB_STORE_NAME).index("timestamp").openKeyCursor().onsuccess=function(e){var r=e.target.result;if(!r)return n(null,{type:"remote",db:t,entries:o});o[r.primaryKey]={timestamp:r.key},r.continue()}}catch(e){return n(e)}})},loadLocalEntry:function(e,r){var t,n;try{n=FS.lookupPath(e).node,t=FS.stat(e)}catch(e){return r(e)}return FS.isDir(t.mode)?r(null,{timestamp:t.mtime,mode:t.mode}):FS.isFile(t.mode)?(n.contents=MEMFS.getFileDataAsTypedArray(n),r(null,{timestamp:t.mtime,mode:t.mode,contents:n.contents})):r(new Error("node type not supported"))},storeLocalEntry:function(e,r,t){try{if(FS.isDir(r.mode))FS.mkdir(e,r.mode);else{if(!FS.isFile(r.mode))return t(new Error("node type not supported"));FS.writeFile(e,r.contents,{canOwn:!0})}FS.chmod(e,r.mode),FS.utime(e,r.timestamp,r.timestamp)}catch(e){return t(e)}t(null)},removeLocalEntry:function(e,r){try{FS.lookupPath(e);var t=FS.stat(e);FS.isDir(t.mode)?FS.rmdir(e):FS.isFile(t.mode)&&FS.unlink(e)}catch(e){return r(e)}r(null)},loadRemoteEntry:function(e,r,t){var n=e.get(r);n.onsuccess=function(e){t(null,e.target.result)},n.onerror=function(e){t(this.error),e.preventDefault()}},storeRemoteEntry:function(e,r,t,n){var o=e.put(t,r);o.onsuccess=function(){n(null)},o.onerror=function(e){n(this.error),e.preventDefault()}},removeRemoteEntry:function(e,r,t){var n=e.delete(r);n.onsuccess=function(){t(null)},n.onerror=function(e){t(this.error),e.preventDefault()}},reconcile:function(n,o,r){var i=0,a=[];Object.keys(n.entries).forEach(function(e){var r=n.entries[e],t=o.entries[e];(!t||r.timestamp>t.timestamp)&&(a.push(e),i++)});var t=[];if(Object.keys(o.entries).forEach(function(e){o.entries[e];n.entries[e]||(t.push(e),i++)}),!i)return r(null);var s=!1,e=("remote"===n.type?n.db:o.db).transaction([IDBFS.DB_STORE_NAME],"readwrite"),u=e.objectStore(IDBFS.DB_STORE_NAME);function l(e){if(e&&!s)return s=!0,r(e)}e.onerror=function(e){l(this.error),e.preventDefault()},e.oncomplete=function(e){s||r(null)},a.sort().forEach(function(t){"local"===o.type?IDBFS.loadRemoteEntry(u,t,function(e,r){if(e)return l(e);IDBFS.storeLocalEntry(t,r,l)}):IDBFS.loadLocalEntry(t,function(e,r){if(e)return l(e);IDBFS.storeRemoteEntry(u,t,r,l)})}),t.sort().reverse().forEach(function(e){"local"===o.type?IDBFS.removeLocalEntry(e,l):IDBFS.removeRemoteEntry(u,e,l)})}},NODEFS={isWindows:!1,staticInit:function(){NODEFS.isWindows=!!process.platform.match(/^win/);var e=process.binding("constants");e.fs&&(e=e.fs),NODEFS.flagsForNodeMap={1024:e.O_APPEND,64:e.O_CREAT,128:e.O_EXCL,0:e.O_RDONLY,2:e.O_RDWR,4096:e.O_SYNC,512:e.O_TRUNC,1:e.O_WRONLY}},bufferFrom:function(e){return Buffer.alloc?Buffer.from(e):new Buffer(e)},mount:function(e){return assert(ENVIRONMENT_HAS_NODE),NODEFS.createNode(null,"/",NODEFS.getMode(e.opts.root),0)},createNode:function(e,r,t,n){if(!FS.isDir(t)&&!FS.isFile(t)&&!FS.isLink(t))throw new FS.ErrnoError(22);var o=FS.createNode(e,r,t);return o.node_ops=NODEFS.node_ops,o.stream_ops=NODEFS.stream_ops,o},getMode:function(e){var r;try{r=fs.lstatSync(e),NODEFS.isWindows&&(r.mode=r.mode|(292&r.mode)>>2)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(-e.errno)}return r.mode},realPath:function(e){for(var r=[];e.parent!==e;)r.push(e.name),e=e.parent;return r.push(e.mount.opts.root),r.reverse(),PATH.join.apply(null,r)},flagsForNode:function(e){e&=-2097153,e&=-2049,e&=-32769,e&=-524289;var r=0;for(var t in NODEFS.flagsForNodeMap)e&t&&(r|=NODEFS.flagsForNodeMap[t],e^=t);if(e)throw new FS.ErrnoError(22);return r},node_ops:{getattr:function(e){var r,t=NODEFS.realPath(e);try{r=fs.lstatSync(t)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(-e.errno)}return NODEFS.isWindows&&!r.blksize&&(r.blksize=4096),NODEFS.isWindows&&!r.blocks&&(r.blocks=(r.size+r.blksize-1)/r.blksize|0),{dev:r.dev,ino:r.ino,mode:r.mode,nlink:r.nlink,uid:r.uid,gid:r.gid,rdev:r.rdev,size:r.size,atime:r.atime,mtime:r.mtime,ctime:r.ctime,blksize:r.blksize,blocks:r.blocks}},setattr:function(e,r){var t=NODEFS.realPath(e);try{if(void 0!==r.mode&&(fs.chmodSync(t,r.mode),e.mode=r.mode),void 0!==r.timestamp){var n=new Date(r.timestamp);fs.utimesSync(t,n,n)}void 0!==r.size&&fs.truncateSync(t,r.size)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(-e.errno)}},lookup:function(e,r){var t=PATH.join2(NODEFS.realPath(e),r),n=NODEFS.getMode(t);return NODEFS.createNode(e,r,n)},mknod:function(e,r,t,n){var o=NODEFS.createNode(e,r,t,n),i=NODEFS.realPath(o);try{FS.isDir(o.mode)?fs.mkdirSync(i,o.mode):fs.writeFileSync(i,"",{mode:o.mode})}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(-e.errno)}return o},rename:function(e,r,t){var n=NODEFS.realPath(e),o=PATH.join2(NODEFS.realPath(r),t);try{fs.renameSync(n,o)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(-e.errno)}},unlink:function(e,r){var t=PATH.join2(NODEFS.realPath(e),r);try{fs.unlinkSync(t)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(-e.errno)}},rmdir:function(e,r){var t=PATH.join2(NODEFS.realPath(e),r);try{fs.rmdirSync(t)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(-e.errno)}},readdir:function(e){var r=NODEFS.realPath(e);try{return fs.readdirSync(r)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(-e.errno)}},symlink:function(e,r,t){var n=PATH.join2(NODEFS.realPath(e),r);try{fs.symlinkSync(t,n)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(-e.errno)}},readlink:function(e){var r=NODEFS.realPath(e);try{return r=fs.readlinkSync(r),r=NODEJS_PATH.relative(NODEJS_PATH.resolve(e.mount.opts.root),r)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(-e.errno)}}},stream_ops:{open:function(e){var r=NODEFS.realPath(e.node);try{FS.isFile(e.node.mode)&&(e.nfd=fs.openSync(r,NODEFS.flagsForNode(e.flags)))}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(-e.errno)}},close:function(e){try{FS.isFile(e.node.mode)&&e.nfd&&fs.closeSync(e.nfd)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(-e.errno)}},read:function(e,r,t,n,o){if(0===n)return 0;try{return fs.readSync(e.nfd,NODEFS.bufferFrom(r.buffer),t,n,o)}catch(e){throw new FS.ErrnoError(-e.errno)}},write:function(e,r,t,n,o){try{return fs.writeSync(e.nfd,NODEFS.bufferFrom(r.buffer),t,n,o)}catch(e){throw new FS.ErrnoError(-e.errno)}},llseek:function(e,r,t){var n=r;if(1===t)n+=e.position;else if(2===t&&FS.isFile(e.node.mode))try{n+=fs.fstatSync(e.nfd).size}catch(e){throw new FS.ErrnoError(-e.errno)}if(n<0)throw new FS.ErrnoError(22);return n}}},WORKERFS={DIR_MODE:16895,FILE_MODE:33279,reader:null,mount:function(e){assert(ENVIRONMENT_IS_WORKER),WORKERFS.reader||(WORKERFS.reader=new FileReaderSync);var i=WORKERFS.createNode(null,"/",WORKERFS.DIR_MODE,0),a={};function n(e){for(var r=e.split("/"),t=i,n=0;n<r.length-1;n++){var o=r.slice(0,n+1).join("/");a[o]||(a[o]=WORKERFS.createNode(t,r[n],WORKERFS.DIR_MODE,0)),t=a[o]}return t}function o(e){var r=e.split("/");return r[r.length-1]}return Array.prototype.forEach.call(e.opts.files||[],function(e){WORKERFS.createNode(n(e.name),o(e.name),WORKERFS.FILE_MODE,0,e,e.lastModifiedDate)}),(e.opts.blobs||[]).forEach(function(e){WORKERFS.createNode(n(e.name),o(e.name),WORKERFS.FILE_MODE,0,e.data)}),(e.opts.packages||[]).forEach(function(t){t.metadata.files.forEach(function(e){var r=e.filename.substr(1);WORKERFS.createNode(n(r),o(r),WORKERFS.FILE_MODE,0,t.blob.slice(e.start,e.end))})}),i},createNode:function(e,r,t,n,o,i){var a=FS.createNode(e,r,t);return a.mode=t,a.node_ops=WORKERFS.node_ops,a.stream_ops=WORKERFS.stream_ops,a.timestamp=(i||new Date).getTime(),assert(WORKERFS.FILE_MODE!==WORKERFS.DIR_MODE),t===WORKERFS.FILE_MODE?(a.size=o.size,a.contents=o):(a.size=4096,a.contents={}),e&&(e.contents[r]=a),a},node_ops:{getattr:function(e){return{dev:1,ino:void 0,mode:e.mode,nlink:1,uid:0,gid:0,rdev:void 0,size:e.size,atime:new Date(e.timestamp),mtime:new Date(e.timestamp),ctime:new Date(e.timestamp),blksize:4096,blocks:Math.ceil(e.size/4096)}},setattr:function(e,r){void 0!==r.mode&&(e.mode=r.mode),void 0!==r.timestamp&&(e.timestamp=r.timestamp)},lookup:function(e,r){throw new FS.ErrnoError(2)},mknod:function(e,r,t,n){throw new FS.ErrnoError(1)},rename:function(e,r,t){throw new FS.ErrnoError(1)},unlink:function(e,r){throw new FS.ErrnoError(1)},rmdir:function(e,r){throw new FS.ErrnoError(1)},readdir:function(e){var r=[".",".."];for(var t in e.contents)e.contents.hasOwnProperty(t)&&r.push(t);return r},symlink:function(e,r,t){throw new FS.ErrnoError(1)},readlink:function(e){throw new FS.ErrnoError(1)}},stream_ops:{read:function(e,r,t,n,o){if(o>=e.node.size)return 0;var i=e.node.contents.slice(o,o+n),a=WORKERFS.reader.readAsArrayBuffer(i);return r.set(new Uint8Array(a),t),i.size},write:function(e,r,t,n,o){throw new FS.ErrnoError(5)},llseek:function(e,r,t){var n=r;if(1===t?n+=e.position:2===t&&FS.isFile(e.node.mode)&&(n+=e.node.size),n<0)throw new FS.ErrnoError(22);return n}}},FS={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:!1,ignorePermissions:!0,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(e,r){if(r=r||{},!(e=PATH_FS.resolve(FS.cwd(),e)))return{path:"",node:null};var t={follow_mount:!0,recurse_count:0};for(var n in t)void 0===r[n]&&(r[n]=t[n]);if(8<r.recurse_count)throw new FS.ErrnoError(40);for(var o=PATH.normalizeArray(e.split("/").filter(function(e){return!!e}),!1),i=FS.root,a="/",s=0;s<o.length;s++){var u=s===o.length-1;if(u&&r.parent)break;if(i=FS.lookupNode(i,o[s]),a=PATH.join2(a,o[s]),FS.isMountpoint(i)&&(!u||u&&r.follow_mount)&&(i=i.mounted.root),!u||r.follow)for(var l=0;FS.isLink(i.mode);){var c=FS.readlink(a);if(a=PATH_FS.resolve(PATH.dirname(a),c),i=FS.lookupPath(a,{recurse_count:r.recurse_count}).node,40<l++)throw new FS.ErrnoError(40)}}return{path:a,node:i}},getPath:function(e){for(var r;;){if(FS.isRoot(e)){var t=e.mount.mountpoint;return r?"/"!==t[t.length-1]?t+"/"+r:t+r:t}r=r?e.name+"/"+r:e.name,e=e.parent}},hashName:function(e,r){for(var t=0,n=0;n<r.length;n++)t=(t<<5)-t+r.charCodeAt(n)|0;return(e+t>>>0)%FS.nameTable.length},hashAddNode:function(e){var r=FS.hashName(e.parent.id,e.name);e.name_next=FS.nameTable[r],FS.nameTable[r]=e},hashRemoveNode:function(e){var r=FS.hashName(e.parent.id,e.name);if(FS.nameTable[r]===e)FS.nameTable[r]=e.name_next;else for(var t=FS.nameTable[r];t;){if(t.name_next===e){t.name_next=e.name_next;break}t=t.name_next}},lookupNode:function(e,r){var t=FS.mayLookup(e);if(t)throw new FS.ErrnoError(t,e);for(var n=FS.hashName(e.id,r),o=FS.nameTable[n];o;o=o.name_next){var i=o.name;if(o.parent.id===e.id&&i===r)return o}return FS.lookup(e,r)},createNode:function(e,r,t,n){if(!FS.FSNode){FS.FSNode=function(e,r,t,n){e=e||this,this.parent=e,this.mount=e.mount,this.mounted=null,this.id=FS.nextInode++,this.name=r,this.mode=t,this.node_ops={},this.stream_ops={},this.rdev=n},FS.FSNode.prototype={};Object.defineProperties(FS.FSNode.prototype,{read:{get:function(){return 365==(365&this.mode)},set:function(e){e?this.mode|=365:this.mode&=-366}},write:{get:function(){return 146==(146&this.mode)},set:function(e){e?this.mode|=146:this.mode&=-147}},isFolder:{get:function(){return FS.isDir(this.mode)}},isDevice:{get:function(){return FS.isChrdev(this.mode)}}})}var o=new FS.FSNode(e,r,t,n);return FS.hashAddNode(o),o},destroyNode:function(e){FS.hashRemoveNode(e)},isRoot:function(e){return e===e.parent},isMountpoint:function(e){return!!e.mounted},isFile:function(e){return 32768==(61440&e)},isDir:function(e){return 16384==(61440&e)},isLink:function(e){return 40960==(61440&e)},isChrdev:function(e){return 8192==(61440&e)},isBlkdev:function(e){return 24576==(61440&e)},isFIFO:function(e){return 4096==(61440&e)},isSocket:function(e){return 49152==(49152&e)},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(e){var r=FS.flagModes[e];if(void 0===r)throw new Error("Unknown file open mode: "+e);return r},flagsToPermissionString:function(e){var r=["r","w","rw"][3&e];return 512&e&&(r+="w"),r},nodePermissions:function(e,r){return FS.ignorePermissions?0:(-1===r.indexOf("r")||292&e.mode)&&(-1===r.indexOf("w")||146&e.mode)&&(-1===r.indexOf("x")||73&e.mode)?0:13},mayLookup:function(e){var r=FS.nodePermissions(e,"x");return r||(e.node_ops.lookup?0:13)},mayCreate:function(e,r){try{FS.lookupNode(e,r);return 17}catch(e){}return FS.nodePermissions(e,"wx")},mayDelete:function(e,r,t){var n;try{n=FS.lookupNode(e,r)}catch(e){return e.errno}var o=FS.nodePermissions(e,"wx");if(o)return o;if(t){if(!FS.isDir(n.mode))return 20;if(FS.isRoot(n)||FS.getPath(n)===FS.cwd())return 16}else if(FS.isDir(n.mode))return 21;return 0},mayOpen:function(e,r){return e?FS.isLink(e.mode)?40:FS.isDir(e.mode)&&("r"!==FS.flagsToPermissionString(r)||512&r)?21:FS.nodePermissions(e,FS.flagsToPermissionString(r)):2},MAX_OPEN_FDS:4096,nextfd:function(e,r){e=e||0,r=r||FS.MAX_OPEN_FDS;for(var t=e;t<=r;t++)if(!FS.streams[t])return t;throw new FS.ErrnoError(24)},getStream:function(e){return FS.streams[e]},createStream:function(e,r,t){FS.FSStream||(FS.FSStream=function(){},FS.FSStream.prototype={},Object.defineProperties(FS.FSStream.prototype,{object:{get:function(){return this.node},set:function(e){this.node=e}},isRead:{get:function(){return 1!=(2097155&this.flags)}},isWrite:{get:function(){return 0!=(2097155&this.flags)}},isAppend:{get:function(){return 1024&this.flags}}}));var n=new FS.FSStream;for(var o in e)n[o]=e[o];e=n;var i=FS.nextfd(r,t);return e.fd=i,FS.streams[i]=e},closeStream:function(e){FS.streams[e]=null},chrdev_stream_ops:{open:function(e){var r=FS.getDevice(e.node.rdev);e.stream_ops=r.stream_ops,e.stream_ops.open&&e.stream_ops.open(e)},llseek:function(){throw new FS.ErrnoError(29)}},major:function(e){return e>>8},minor:function(e){return 255&e},makedev:function(e,r){return e<<8|r},registerDevice:function(e,r){FS.devices[e]={stream_ops:r}},getDevice:function(e){return FS.devices[e]},getMounts:function(e){for(var r=[],t=[e];t.length;){var n=t.pop();r.push(n),t.push.apply(t,n.mounts)}return r},syncfs:function(r,t){"function"==typeof r&&(t=r,r=!1),FS.syncFSRequests++,1<FS.syncFSRequests&&console.log("warning: "+FS.syncFSRequests+" FS.syncfs operations in flight at once, probably just doing extra work");var n=FS.getMounts(FS.root.mount),o=0;function i(e){return FS.syncFSRequests--,t(e)}function a(e){if(e)return a.errored?void 0:(a.errored=!0,i(e));++o>=n.length&&i(null)}n.forEach(function(e){if(!e.type.syncfs)return a(null);e.type.syncfs(e,r,a)})},mount:function(e,r,t){var n,o="/"===t,i=!t;if(o&&FS.root)throw new FS.ErrnoError(16);if(!o&&!i){var a=FS.lookupPath(t,{follow_mount:!1});if(t=a.path,n=a.node,FS.isMountpoint(n))throw new FS.ErrnoError(16);if(!FS.isDir(n.mode))throw new FS.ErrnoError(20)}var s={type:e,opts:r,mountpoint:t,mounts:[]},u=e.mount(s);return(u.mount=s).root=u,o?FS.root=u:n&&(n.mounted=s,n.mount&&n.mount.mounts.push(s)),u},unmount:function(e){var r=FS.lookupPath(e,{follow_mount:!1});if(!FS.isMountpoint(r.node))throw new FS.ErrnoError(22);var t=r.node,n=t.mounted,o=FS.getMounts(n);Object.keys(FS.nameTable).forEach(function(e){for(var r=FS.nameTable[e];r;){var t=r.name_next;-1!==o.indexOf(r.mount)&&FS.destroyNode(r),r=t}}),t.mounted=null;var i=t.mount.mounts.indexOf(n);t.mount.mounts.splice(i,1)},lookup:function(e,r){return e.node_ops.lookup(e,r)},mknod:function(e,r,t){var n=FS.lookupPath(e,{parent:!0}).node,o=PATH.basename(e);if(!o||"."===o||".."===o)throw new FS.ErrnoError(22);var i=FS.mayCreate(n,o);if(i)throw new FS.ErrnoError(i);if(!n.node_ops.mknod)throw new FS.ErrnoError(1);return n.node_ops.mknod(n,o,r,t)},create:function(e,r){return r=void 0!==r?r:438,r&=4095,r|=32768,FS.mknod(e,r,0)},mkdir:function(e,r){return r=void 0!==r?r:511,r&=1023,r|=16384,FS.mknod(e,r,0)},mkdirTree:function(e,r){for(var t=e.split("/"),n="",o=0;o<t.length;++o)if(t[o]){n+="/"+t[o];try{FS.mkdir(n,r)}catch(e){if(17!=e.errno)throw e}}},mkdev:function(e,r,t){return void 0===t&&(t=r,r=438),r|=8192,FS.mknod(e,r,t)},symlink:function(e,r){if(!PATH_FS.resolve(e))throw new FS.ErrnoError(2);var t=FS.lookupPath(r,{parent:!0}).node;if(!t)throw new FS.ErrnoError(2);var n=PATH.basename(r),o=FS.mayCreate(t,n);if(o)throw new FS.ErrnoError(o);if(!t.node_ops.symlink)throw new FS.ErrnoError(1);return t.node_ops.symlink(t,n,e)},rename:function(r,t){var e,n,o=PATH.dirname(r),i=PATH.dirname(t),a=PATH.basename(r),s=PATH.basename(t);try{e=FS.lookupPath(r,{parent:!0}).node,n=FS.lookupPath(t,{parent:!0}).node}catch(e){throw new FS.ErrnoError(16)}if(!e||!n)throw new FS.ErrnoError(2);if(e.mount!==n.mount)throw new FS.ErrnoError(18);var u,l=FS.lookupNode(e,a),c=PATH_FS.relative(r,i);if("."!==c.charAt(0))throw new FS.ErrnoError(22);if("."!==(c=PATH_FS.relative(t,o)).charAt(0))throw new FS.ErrnoError(39);try{u=FS.lookupNode(n,s)}catch(e){}if(l!==u){var d=FS.isDir(l.mode),f=FS.mayDelete(e,a,d);if(f)throw new FS.ErrnoError(f);if(f=u?FS.mayDelete(n,s,d):FS.mayCreate(n,s))throw new FS.ErrnoError(f);if(!e.node_ops.rename)throw new FS.ErrnoError(1);if(FS.isMountpoint(l)||u&&FS.isMountpoint(u))throw new FS.ErrnoError(16);if(n!==e&&(f=FS.nodePermissions(e,"w")))throw new FS.ErrnoError(f);try{FS.trackingDelegate.willMovePath&&FS.trackingDelegate.willMovePath(r,t)}catch(e){console.log("FS.trackingDelegate['willMovePath']('"+r+"', '"+t+"') threw an exception: "+e.message)}FS.hashRemoveNode(l);try{e.node_ops.rename(l,n,s)}catch(e){throw e}finally{FS.hashAddNode(l)}try{FS.trackingDelegate.onMovePath&&FS.trackingDelegate.onMovePath(r,t)}catch(e){console.log("FS.trackingDelegate['onMovePath']('"+r+"', '"+t+"') threw an exception: "+e.message)}}},rmdir:function(r){var e=FS.lookupPath(r,{parent:!0}).node,t=PATH.basename(r),n=FS.lookupNode(e,t),o=FS.mayDelete(e,t,!0);if(o)throw new FS.ErrnoError(o);if(!e.node_ops.rmdir)throw new FS.ErrnoError(1);if(FS.isMountpoint(n))throw new FS.ErrnoError(16);try{FS.trackingDelegate.willDeletePath&&FS.trackingDelegate.willDeletePath(r)}catch(e){console.log("FS.trackingDelegate['willDeletePath']('"+r+"') threw an exception: "+e.message)}e.node_ops.rmdir(e,t),FS.destroyNode(n);try{FS.trackingDelegate.onDeletePath&&FS.trackingDelegate.onDeletePath(r)}catch(e){console.log("FS.trackingDelegate['onDeletePath']('"+r+"') threw an exception: "+e.message)}},readdir:function(e){var r=FS.lookupPath(e,{follow:!0}).node;if(!r.node_ops.readdir)throw new FS.ErrnoError(20);return r.node_ops.readdir(r)},unlink:function(r){var e=FS.lookupPath(r,{parent:!0}).node,t=PATH.basename(r),n=FS.lookupNode(e,t),o=FS.mayDelete(e,t,!1);if(o)throw new FS.ErrnoError(o);if(!e.node_ops.unlink)throw new FS.ErrnoError(1);if(FS.isMountpoint(n))throw new FS.ErrnoError(16);try{FS.trackingDelegate.willDeletePath&&FS.trackingDelegate.willDeletePath(r)}catch(e){console.log("FS.trackingDelegate['willDeletePath']('"+r+"') threw an exception: "+e.message)}e.node_ops.unlink(e,t),FS.destroyNode(n);try{FS.trackingDelegate.onDeletePath&&FS.trackingDelegate.onDeletePath(r)}catch(e){console.log("FS.trackingDelegate['onDeletePath']('"+r+"') threw an exception: "+e.message)}},readlink:function(e){var r=FS.lookupPath(e).node;if(!r)throw new FS.ErrnoError(2);if(!r.node_ops.readlink)throw new FS.ErrnoError(22);return PATH_FS.resolve(FS.getPath(r.parent),r.node_ops.readlink(r))},stat:function(e,r){var t=FS.lookupPath(e,{follow:!r}).node;if(!t)throw new FS.ErrnoError(2);if(!t.node_ops.getattr)throw new FS.ErrnoError(1);return t.node_ops.getattr(t)},lstat:function(e){return FS.stat(e,!0)},chmod:function(e,r,t){var n;"string"==typeof e?n=FS.lookupPath(e,{follow:!t}).node:n=e;if(!n.node_ops.setattr)throw new FS.ErrnoError(1);n.node_ops.setattr(n,{mode:4095&r|-4096&n.mode,timestamp:Date.now()})},lchmod:function(e,r){FS.chmod(e,r,!0)},fchmod:function(e,r){var t=FS.getStream(e);if(!t)throw new FS.ErrnoError(9);FS.chmod(t.node,r)},chown:function(e,r,t,n){var o;"string"==typeof e?o=FS.lookupPath(e,{follow:!n}).node:o=e;if(!o.node_ops.setattr)throw new FS.ErrnoError(1);o.node_ops.setattr(o,{timestamp:Date.now()})},lchown:function(e,r,t){FS.chown(e,r,t,!0)},fchown:function(e,r,t){var n=FS.getStream(e);if(!n)throw new FS.ErrnoError(9);FS.chown(n.node,r,t)},truncate:function(e,r){if(r<0)throw new FS.ErrnoError(22);var t;"string"==typeof e?t=FS.lookupPath(e,{follow:!0}).node:t=e;if(!t.node_ops.setattr)throw new FS.ErrnoError(1);if(FS.isDir(t.mode))throw new FS.ErrnoError(21);if(!FS.isFile(t.mode))throw new FS.ErrnoError(22);var n=FS.nodePermissions(t,"w");if(n)throw new FS.ErrnoError(n);t.node_ops.setattr(t,{size:r,timestamp:Date.now()})},ftruncate:function(e,r){var t=FS.getStream(e);if(!t)throw new FS.ErrnoError(9);if(0==(2097155&t.flags))throw new FS.ErrnoError(22);FS.truncate(t.node,r)},utime:function(e,r,t){var n=FS.lookupPath(e,{follow:!0}).node;n.node_ops.setattr(n,{timestamp:Math.max(r,t)})},open:function(r,e,t,n,o){if(""===r)throw new FS.ErrnoError(2);var i;if(t=void 0===t?438:t,t=64&(e="string"==typeof e?FS.modeStringToFlags(e):e)?4095&t|32768:0,"object"==typeof r)i=r;else{r=PATH.normalize(r);try{i=FS.lookupPath(r,{follow:!(131072&e)}).node}catch(e){}}var a=!1;if(64&e)if(i){if(128&e)throw new FS.ErrnoError(17)}else i=FS.mknod(r,t,0),a=!0;if(!i)throw new FS.ErrnoError(2);if(FS.isChrdev(i.mode)&&(e&=-513),65536&e&&!FS.isDir(i.mode))throw new FS.ErrnoError(20);if(!a){var s=FS.mayOpen(i,e);if(s)throw new FS.ErrnoError(s)}512&e&&FS.truncate(i,0),e&=-641;var u=FS.createStream({node:i,path:FS.getPath(i),flags:e,seekable:!0,position:0,stream_ops:i.stream_ops,ungotten:[],error:!1},n,o);u.stream_ops.open&&u.stream_ops.open(u),!Module.logReadFiles||1&e||(FS.readFiles||(FS.readFiles={}),r in FS.readFiles||(FS.readFiles[r]=1,console.log("FS.trackingDelegate error on read file: "+r)));try{if(FS.trackingDelegate.onOpenFile){var l=0;1!=(2097155&e)&&(l|=FS.tracking.openFlags.READ),0!=(2097155&e)&&(l|=FS.tracking.openFlags.WRITE),FS.trackingDelegate.onOpenFile(r,l)}}catch(e){console.log("FS.trackingDelegate['onOpenFile']('"+r+"', flags) threw an exception: "+e.message)}return u},close:function(e){if(FS.isClosed(e))throw new FS.ErrnoError(9);e.getdents&&(e.getdents=null);try{e.stream_ops.close&&e.stream_ops.close(e)}catch(e){throw e}finally{FS.closeStream(e.fd)}e.fd=null},isClosed:function(e){return null===e.fd},llseek:function(e,r,t){if(FS.isClosed(e))throw new FS.ErrnoError(9);if(!e.seekable||!e.stream_ops.llseek)throw new FS.ErrnoError(29);if(0!=t&&1!=t&&2!=t)throw new FS.ErrnoError(22);return e.position=e.stream_ops.llseek(e,r,t),e.ungotten=[],e.position},read:function(e,r,t,n,o){if(n<0||o<0)throw new FS.ErrnoError(22);if(FS.isClosed(e))throw new FS.ErrnoError(9);if(1==(2097155&e.flags))throw new FS.ErrnoError(9);if(FS.isDir(e.node.mode))throw new FS.ErrnoError(21);if(!e.stream_ops.read)throw new FS.ErrnoError(22);var i=void 0!==o;if(i){if(!e.seekable)throw new FS.ErrnoError(29)}else o=e.position;var a=e.stream_ops.read(e,r,t,n,o);return i||(e.position+=a),a},write:function(r,e,t,n,o,i){if(n<0||o<0)throw new FS.ErrnoError(22);if(FS.isClosed(r))throw new FS.ErrnoError(9);if(0==(2097155&r.flags))throw new FS.ErrnoError(9);if(FS.isDir(r.node.mode))throw new FS.ErrnoError(21);if(!r.stream_ops.write)throw new FS.ErrnoError(22);1024&r.flags&&FS.llseek(r,0,2);var a=void 0!==o;if(a){if(!r.seekable)throw new FS.ErrnoError(29)}else o=r.position;var s=r.stream_ops.write(r,e,t,n,o,i);a||(r.position+=s);try{r.path&&FS.trackingDelegate.onWriteToFile&&FS.trackingDelegate.onWriteToFile(r.path)}catch(e){console.log("FS.trackingDelegate['onWriteToFile']('"+r.path+"') threw an exception: "+e.message)}return s},allocate:function(e,r,t){if(FS.isClosed(e))throw new FS.ErrnoError(9);if(r<0||t<=0)throw new FS.ErrnoError(22);if(0==(2097155&e.flags))throw new FS.ErrnoError(9);if(!FS.isFile(e.node.mode)&&!FS.isDir(e.node.mode))throw new FS.ErrnoError(19);if(!e.stream_ops.allocate)throw new FS.ErrnoError(95);e.stream_ops.allocate(e,r,t)},mmap:function(e,r,t,n,o,i,a){if(0!=(2&i)&&0==(2&a)&&2!=(2097155&e.flags))throw new FS.ErrnoError(13);if(1==(2097155&e.flags))throw new FS.ErrnoError(13);if(!e.stream_ops.mmap)throw new FS.ErrnoError(19);return e.stream_ops.mmap(e,r,t,n,o,i,a)},msync:function(e,r,t,n,o){return e&&e.stream_ops.msync?e.stream_ops.msync(e,r,t,n,o):0},munmap:function(e){return 0},ioctl:function(e,r,t){if(!e.stream_ops.ioctl)throw new FS.ErrnoError(25);return e.stream_ops.ioctl(e,r,t)},readFile:function(e,r){if((r=r||{}).flags=r.flags||"r",r.encoding=r.encoding||"binary","utf8"!==r.encoding&&"binary"!==r.encoding)throw new Error('Invalid encoding type "'+r.encoding+'"');var t,n=FS.open(e,r.flags),o=FS.stat(e).size,i=new Uint8Array(o);return FS.read(n,i,0,o,0),"utf8"===r.encoding?t=UTF8ArrayToString(i,0):"binary"===r.encoding&&(t=i),FS.close(n),t},writeFile:function(e,r,t){(t=t||{}).flags=t.flags||"w";var n=FS.open(e,t.flags,t.mode);if("string"==typeof r){var o=new Uint8Array(lengthBytesUTF8(r)+1),i=stringToUTF8Array(r,o,0,o.length);FS.write(n,o,0,i,void 0,t.canOwn)}else{if(!ArrayBuffer.isView(r))throw new Error("Unsupported data type");FS.write(n,r,0,r.byteLength,void 0,t.canOwn)}FS.close(n)},cwd:function(){return FS.currentPath},chdir:function(e){var r=FS.lookupPath(e,{follow:!0});if(null===r.node)throw new FS.ErrnoError(2);if(!FS.isDir(r.node.mode))throw new FS.ErrnoError(20);var t=FS.nodePermissions(r.node,"x");if(t)throw new FS.ErrnoError(t);FS.currentPath=r.path},createDefaultDirectories:function(){FS.mkdir("/tmp"),FS.mkdir("/home"),FS.mkdir("/home/web_user")},createDefaultDevices:function(){var e;if(FS.mkdir("/dev"),FS.registerDevice(FS.makedev(1,3),{read:function(){return 0},write:function(e,r,t,n,o){return n}}),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)),"object"==typeof crypto&&"function"==typeof crypto.getRandomValues){var r=new Uint8Array(1);e=function(){return crypto.getRandomValues(r),r[0]}}else if(ENVIRONMENT_IS_NODE)try{var t=require("crypto");e=function(){return t.randomBytes(1)[0]}}catch(e){}e=e||function(){abort("random_device")},FS.createDevice("/dev","random",e),FS.createDevice("/dev","urandom",e),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 e=FS.createNode("/proc/self","fd",16895,73);return e.node_ops={lookup:function(e,r){var t=+r,n=FS.getStream(t);if(!n)throw new FS.ErrnoError(9);var o={parent:null,mount:{mountpoint:"fake"},node_ops:{readlink:function(){return n.path}}};return o.parent=o}},e}},{},"/proc/self/fd")},createStandardStreams:function(){Module.stdin?FS.createDevice("/dev","stdin",Module.stdin):FS.symlink("/dev/tty","/dev/stdin"),Module.stdout?FS.createDevice("/dev","stdout",null,Module.stdout):FS.symlink("/dev/tty","/dev/stdout"),Module.stderr?FS.createDevice("/dev","stderr",null,Module.stderr):FS.symlink("/dev/tty1","/dev/stderr");FS.open("/dev/stdin","r"),FS.open("/dev/stdout","w"),FS.open("/dev/stderr","w")},ensureErrnoError:function(){FS.ErrnoError||(FS.ErrnoError=function(e,r){this.node=r,this.setErrno=function(e){this.errno=e},this.setErrno(e),this.message="FS error",this.stack&&Object.defineProperty(this,"stack",{value:(new Error).stack,writable:!0})},FS.ErrnoError.prototype=new Error,FS.ErrnoError.prototype.constructor=FS.ErrnoError,[2].forEach(function(e){FS.genericErrors[e]=new FS.ErrnoError(e),FS.genericErrors[e].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,IDBFS:IDBFS,NODEFS:NODEFS,WORKERFS:WORKERFS}},init:function(e,r,t){FS.init.initialized=!0,FS.ensureErrnoError(),Module.stdin=e||Module.stdin,Module.stdout=r||Module.stdout,Module.stderr=t||Module.stderr,FS.createStandardStreams()},quit:function(){FS.init.initialized=!1;var e=Module._fflush;e&&e(0);for(var r=0;r<FS.streams.length;r++){var t=FS.streams[r];t&&FS.close(t)}},getMode:function(e,r){var t=0;return e&&(t|=365),r&&(t|=146),t},joinPath:function(e,r){var t=PATH.join.apply(null,e);return r&&"/"==t[0]&&(t=t.substr(1)),t},absolutePath:function(e,r){return PATH_FS.resolve(r,e)},standardizePath:function(e){return PATH.normalize(e)},findObject:function(e,r){var t=FS.analyzePath(e,r);return t.exists?t.object:(___setErrNo(t.error),null)},analyzePath:function(e,r){try{e=(n=FS.lookupPath(e,{follow:!r})).path}catch(e){}var t={isRoot:!1,exists:!1,error:0,name:null,path:null,object:null,parentExists:!1,parentPath:null,parentObject:null};try{var n=FS.lookupPath(e,{parent:!0});t.parentExists=!0,t.parentPath=n.path,t.parentObject=n.node,t.name=PATH.basename(e),n=FS.lookupPath(e,{follow:!r}),t.exists=!0,t.path=n.path,t.object=n.node,t.name=n.node.name,t.isRoot="/"===n.path}catch(e){t.error=e.errno}return t},createFolder:function(e,r,t,n){var o=PATH.join2("string"==typeof e?e:FS.getPath(e),r),i=FS.getMode(t,n);return FS.mkdir(o,i)},createPath:function(e,r,t,n){e="string"==typeof e?e:FS.getPath(e);for(var o=r.split("/").reverse();o.length;){var i=o.pop();if(i){var a=PATH.join2(e,i);try{FS.mkdir(a)}catch(e){}e=a}}return a},createFile:function(e,r,t,n,o){var i=PATH.join2("string"==typeof e?e:FS.getPath(e),r),a=FS.getMode(n,o);return FS.create(i,a)},createDataFile:function(e,r,t,n,o,i){var a=r?PATH.join2("string"==typeof e?e:FS.getPath(e),r):e,s=FS.getMode(n,o),u=FS.create(a,s);if(t){if("string"==typeof t){for(var l=new Array(t.length),c=0,d=t.length;c<d;++c)l[c]=t.charCodeAt(c);t=l}FS.chmod(u,146|s);var f=FS.open(u,"w");FS.write(f,t,0,t.length,0,i),FS.close(f),FS.chmod(u,s)}return u},createDevice:function(e,r,u,a){var t=PATH.join2("string"==typeof e?e:FS.getPath(e),r),n=FS.getMode(!!u,!!a);FS.createDevice.major||(FS.createDevice.major=64);var o=FS.makedev(FS.createDevice.major++,0);return FS.registerDevice(o,{open:function(e){e.seekable=!1},close:function(e){a&&a.buffer&&a.buffer.length&&a(10)},read:function(e,r,t,n,o){for(var i=0,a=0;a<n;a++){var s;try{s=u()}catch(e){throw new FS.ErrnoError(5)}if(void 0===s&&0===i)throw new FS.ErrnoError(11);if(null==s)break;i++,r[t+a]=s}return i&&(e.node.timestamp=Date.now()),i},write:function(e,r,t,n,o){for(var i=0;i<n;i++)try{a(r[t+i])}catch(e){throw new FS.ErrnoError(5)}return n&&(e.node.timestamp=Date.now()),i}}),FS.mkdev(t,n,o)},createLink:function(e,r,t,n,o){var i=PATH.join2("string"==typeof e?e:FS.getPath(e),r);return FS.symlink(t,i)},forceLoadFile:function(e){if(e.isDevice||e.isFolder||e.link||e.contents)return!0;var r=!0;if("undefined"!=typeof XMLHttpRequest)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.");if(!read_)throw new Error("Cannot load without read() or XMLHttpRequest.");try{e.contents=intArrayFromString(read_(e.url),!0),e.usedBytes=e.contents.length}catch(e){r=!1}return r||___setErrNo(5),r},createLazyFile:function(e,r,s,t,n){function o(){this.lengthKnown=!1,this.chunks=[]}if(o.prototype.get=function(e){if(!(e>this.length-1||e<0)){var r=e%this.chunkSize,t=e/this.chunkSize|0;return this.getter(t)[r]}},o.prototype.setDataGetter=function(e){this.getter=e},o.prototype.cacheLength=function(){var e=new XMLHttpRequest;if(e.open("HEAD",s,!1),e.send(null),!(200<=e.status&&e.status<300||304===e.status))throw new Error("Couldn't load "+s+". Status: "+e.status);var r,n=Number(e.getResponseHeader("Content-length")),t=(r=e.getResponseHeader("Accept-Ranges"))&&"bytes"===r,o=(r=e.getResponseHeader("Content-Encoding"))&&"gzip"===r,i=1048576;t||(i=n);var a=this;a.setDataGetter(function(e){var r=e*i,t=(e+1)*i-1;if(t=Math.min(t,n-1),void 0===a.chunks[e]&&(a.chunks[e]=function(e,r){if(r<e)throw new Error("invalid range ("+e+", "+r+") or no bytes requested!");if(n-1<r)throw new Error("only "+n+" bytes available! programmer error!");var t=new XMLHttpRequest;if(t.open("GET",s,!1),n!==i&&t.setRequestHeader("Range","bytes="+e+"-"+r),"undefined"!=typeof Uint8Array&&(t.responseType="arraybuffer"),t.overrideMimeType&&t.overrideMimeType("text/plain; charset=x-user-defined"),t.send(null),!(200<=t.status&&t.status<300||304===t.status))throw new Error("Couldn't load "+s+". Status: "+t.status);return void 0!==t.response?new Uint8Array(t.response||[]):intArrayFromString(t.responseText||"",!0)}(r,t)),void 0===a.chunks[e])throw new Error("doXHR failed!");return a.chunks[e]}),!o&&n||(i=n=1,n=this.getter(0).length,i=n,console.log("LazyFiles on gzip forces download of the whole file when length is accessed")),this._length=n,this._chunkSize=i,this.lengthKnown=!0},"undefined"!=typeof XMLHttpRequest){if(!ENVIRONMENT_IS_WORKER)throw"Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";var i=new o;Object.defineProperties(i,{length:{get:function(){return this.lengthKnown||this.cacheLength(),this._length}},chunkSize:{get:function(){return this.lengthKnown||this.cacheLength(),this._chunkSize}}});var a={isDevice:!1,contents:i}}else a={isDevice:!1,url:s};var u=FS.createFile(e,r,a,t,n);a.contents?u.contents=a.contents:a.url&&(u.contents=null,u.url=a.url),Object.defineProperties(u,{usedBytes:{get:function(){return this.contents.length}}});var l={};return Object.keys(u.stream_ops).forEach(function(e){var r=u.stream_ops[e];l[e]=function(){if(!FS.forceLoadFile(u))throw new FS.ErrnoError(5);return r.apply(null,arguments)}}),l.read=function(e,r,t,n,o){if(!FS.forceLoadFile(u))throw new FS.ErrnoError(5);var i=e.node.contents;if(o>=i.length)return 0;var a=Math.min(i.length-o,n);if(i.slice)for(var s=0;s<a;s++)r[t+s]=i[o+s];else for(s=0;s<a;s++)r[t+s]=i.get(o+s);return a},u.stream_ops=l,u},createPreloadedFile:function(o,i,e,a,s,u,l,c,d,f){Browser.init();var m=i?PATH_FS.resolve(PATH.join2(o,i)):o,p=getUniqueRunDependency("cp "+m);function r(r){function t(e){f&&f(),c||FS.createDataFile(o,i,e,a,s,d),u&&u(),removeRunDependency(p)}var n=!1;Module.preloadPlugins.forEach(function(e){n||e.canHandle(m)&&(e.handle(r,m,t,function(){l&&l(),removeRunDependency(p)}),n=!0)}),n||t(r)}addRunDependency(p),"string"==typeof e?Browser.asyncLoad(e,function(e){r(e)},l):r(e)},indexedDB:function(){return window.indexedDB||window.mozIndexedDB||window.webkitIndexedDB||window.msIndexedDB},DB_NAME:function(){return"EM_FS_"+window.location.pathname},DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:function(r,s,u){s=s||function(){},u=u||function(){};var e=FS.indexedDB();try{var l=e.open(FS.DB_NAME(),FS.DB_VERSION)}catch(e){return u(e)}l.onupgradeneeded=function(){console.log("creating db"),l.result.createObjectStore(FS.DB_STORE_NAME)},l.onsuccess=function(){var e=l.result.transaction([FS.DB_STORE_NAME],"readwrite"),t=e.objectStore(FS.DB_STORE_NAME),n=0,o=0,i=r.length;function a(){0==o?s():u()}r.forEach(function(e){var r=t.put(FS.analyzePath(e).object.contents,e);r.onsuccess=function(){++n+o==i&&a()},r.onerror=function(){n+ ++o==i&&a()}}),e.onerror=u},l.onerror=u},loadFilesFromDB:function(s,u,l){u=u||function(){},l=l||function(){};var e=FS.indexedDB();try{var c=e.open(FS.DB_NAME(),FS.DB_VERSION)}catch(e){return l(e)}c.onupgradeneeded=l,c.onsuccess=function(){var e=c.result;try{var r=e.transaction([FS.DB_STORE_NAME],"readonly")}catch(e){return void l(e)}var t=r.objectStore(FS.DB_STORE_NAME),n=0,o=0,i=s.length;function a(){0==o?u():l()}s.forEach(function(e){var r=t.get(e);r.onsuccess=function(){FS.analyzePath(e).exists&&FS.unlink(e),FS.createDataFile(PATH.dirname(e),PATH.basename(e),r.result,!0,!0,!0),++n+o==i&&a()},r.onerror=function(){n+ ++o==i&&a()}}),r.onerror=l},c.onerror=l}},SYSCALLS={DEFAULT_POLLMASK:5,mappings:{},umask:511,calculateAt:function(e,r){if("/"!==r[0]){var t;if(-100===e)t=FS.cwd();else{var n=FS.getStream(e);if(!n)throw new FS.ErrnoError(9);t=n.path}r=PATH.join2(t,r)}return r},doStat:function(e,r,t){try{var n=e(r)}catch(e){if(e&&e.node&&PATH.normalize(r)!==PATH.normalize(FS.getPath(e.node)))return-20;throw e}return HEAP32[t>>2]=n.dev,HEAP32[t+4>>2]=0,HEAP32[t+8>>2]=n.ino,HEAP32[t+12>>2]=n.mode,HEAP32[t+16>>2]=n.nlink,HEAP32[t+20>>2]=n.uid,HEAP32[t+24>>2]=n.gid,HEAP32[t+28>>2]=n.rdev,HEAP32[t+32>>2]=0,tempI64=[n.size>>>0,(tempDouble=n.size,1<=+Math_abs(tempDouble)?0<tempDouble?(0|Math_min(+Math_floor(tempDouble/4294967296),4294967295))>>>0:~~+Math_ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[t+40>>2]=tempI64[0],HEAP32[t+44>>2]=tempI64[1],HEAP32[t+48>>2]=4096,HEAP32[t+52>>2]=n.blocks,HEAP32[t+56>>2]=n.atime.getTime()/1e3|0,HEAP32[t+60>>2]=0,HEAP32[t+64>>2]=n.mtime.getTime()/1e3|0,HEAP32[t+68>>2]=0,HEAP32[t+72>>2]=n.ctime.getTime()/1e3|0,HEAP32[t+76>>2]=0,tempI64=[n.ino>>>0,(tempDouble=n.ino,1<=+Math_abs(tempDouble)?0<tempDouble?(0|Math_min(+Math_floor(tempDouble/4294967296),4294967295))>>>0:~~+Math_ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[t+80>>2]=tempI64[0],HEAP32[t+84>>2]=tempI64[1],0},doMsync:function(e,r,t,n){var o=new Uint8Array(HEAPU8.subarray(e,e+t));FS.msync(r,o,0,t,n)},doMkdir:function(e,r){return"/"===(e=PATH.normalize(e))[e.length-1]&&(e=e.substr(0,e.length-1)),FS.mkdir(e,r,0),0},doMknod:function(e,r,t){switch(61440&r){case 32768:case 8192:case 24576:case 4096:case 49152:break;default:return-22}return FS.mknod(e,r,t),0},doReadlink:function(e,r,t){if(t<=0)return-22;var n=FS.readlink(e),o=Math.min(t,lengthBytesUTF8(n)),i=HEAP8[r+o];return stringToUTF8(n,r,t+1),HEAP8[r+o]=i,o},doAccess:function(e,r){if(-8&r)return-22;var t;if(!(t=FS.lookupPath(e,{follow:!0}).node))return-2;var n="";return 4&r&&(n+="r"),2&r&&(n+="w"),1&r&&(n+="x"),n&&FS.nodePermissions(t,n)?-13:0},doDup:function(e,r,t){var n=FS.getStream(t);return n&&FS.close(n),FS.open(e,r,0,t,t).fd},doReadv:function(e,r,t,n){for(var o=0,i=0;i<t;i++){var a=HEAP32[r+8*i>>2],s=HEAP32[r+(8*i+4)>>2],u=FS.read(e,HEAP8,a,s,n);if(u<0)return-1;if(o+=u,u<s)break}return o},doWritev:function(e,r,t,n){for(var o=0,i=0;i<t;i++){var a=HEAP32[r+8*i>>2],s=HEAP32[r+(8*i+4)>>2],u=FS.write(e,HEAP8,a,s,n);if(u<0)return-1;o+=u}return o},varargs:0,get:function(e){return SYSCALLS.varargs+=4,HEAP32[SYSCALLS.varargs-4>>2]},getStr:function(){return UTF8ToString(SYSCALLS.get())},getStreamFromFD:function(){var e=FS.getStream(SYSCALLS.get());if(!e)throw new FS.ErrnoError(9);return e},get64:function(){var e=SYSCALLS.get();SYSCALLS.get();return e},getZero:function(){SYSCALLS.get()}};function ___syscall140(e,r){SYSCALLS.varargs=r;try{var t=SYSCALLS.getStreamFromFD(),n=SYSCALLS.get(),o=SYSCALLS.get(),i=SYSCALLS.get(),a=SYSCALLS.get(),s=4294967296*n+(o>>>0),u=9007199254740992;return s<=-u||u<=s?-75:(FS.llseek(t,s,a),tempI64=[t.position>>>0,(tempDouble=t.position,1<=+Math_abs(tempDouble)?0<tempDouble?(0|Math_min(+Math_floor(tempDouble/4294967296),4294967295))>>>0:~~+Math_ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[i>>2]=tempI64[0],HEAP32[i+4>>2]=tempI64[1],t.getdents&&0==s&&0===a&&(t.getdents=null),0)}catch(e){return void 0!==FS&&e instanceof FS.ErrnoError||abort(e),-e.errno}}function ___syscall145(e,r){SYSCALLS.varargs=r;try{var t=SYSCALLS.getStreamFromFD(),n=SYSCALLS.get(),o=SYSCALLS.get();return SYSCALLS.doReadv(t,n,o)}catch(e){return void 0!==FS&&e instanceof FS.ErrnoError||abort(e),-e.errno}}function ___syscall146(e,r){SYSCALLS.varargs=r;try{var t=SYSCALLS.getStreamFromFD(),n=SYSCALLS.get(),o=SYSCALLS.get();return SYSCALLS.doWritev(t,n,o)}catch(e){return void 0!==FS&&e instanceof FS.ErrnoError||abort(e),-e.errno}}function ___syscall221(e,r){SYSCALLS.varargs=r;try{var t=SYSCALLS.getStreamFromFD();switch(SYSCALLS.get()){case 0:return(n=SYSCALLS.get())<0?-22:FS.open(t.path,t.flags,0,n).fd;case 1:case 2:return 0;case 3:return t.flags;case 4:var n=SYSCALLS.get();return t.flags|=n,0;case 12:n=SYSCALLS.get();return HEAP16[n+0>>1]=2,0;case 13:case 14:return 0;case 16:case 8:return-22;case 9:return ___setErrNo(22),-1;default:return-22}}catch(e){return void 0!==FS&&e instanceof FS.ErrnoError||abort(e),-e.errno}}function ___syscall5(e,r){SYSCALLS.varargs=r;try{var t=SYSCALLS.getStr(),n=SYSCALLS.get(),o=SYSCALLS.get();return FS.open(t,n,o).fd}catch(e){return void 0!==FS&&e instanceof FS.ErrnoError||abort(e),-e.errno}}function ___syscall54(e,r){SYSCALLS.varargs=r;try{var t=SYSCALLS.getStreamFromFD(),n=SYSCALLS.get();switch(n){case 21509:case 21505:return t.tty?0:-25;case 21510:case 21511:case 21512:case 21506:case 21507:case 21508:return t.tty?0:-25;case 21519:if(!t.tty)return-25;var o=SYSCALLS.get();return HEAP32[o>>2]=0;case 21520:return t.tty?-22:-25;case 21531:o=SYSCALLS.get();return FS.ioctl(t,n,o);case 21523:case 21524:return t.tty?0:-25;default:abort("bad ioctl syscall "+n)}}catch(e){return void 0!==FS&&e instanceof FS.ErrnoError||abort(e),-e.errno}}function ___syscall6(e,r){SYSCALLS.varargs=r;try{var t=SYSCALLS.getStreamFromFD();return FS.close(t),0}catch(e){return void 0!==FS&&e instanceof FS.ErrnoError||abort(e),-e.errno}}function __emscripten_syscall_munmap(e,r){if(-1===e||0===r)return-22;var t=SYSCALLS.mappings[e];if(!t)return 0;if(r===t.len){var n=FS.getStream(t.fd);SYSCALLS.doMsync(e,n,r,t.flags),FS.munmap(n),SYSCALLS.mappings[e]=null,t.allocated&&_free(t.malloc)}return 0}function ___syscall91(e,r){SYSCALLS.varargs=r;try{return __emscripten_syscall_munmap(SYSCALLS.get(),SYSCALLS.get())}catch(e){return void 0!==FS&&e instanceof FS.ErrnoError||abort(e),-e.errno}}function ___unlock(){}function _abort(){Module.abort()}function _emscripten_get_now(){abort()}function _emscripten_get_now_is_monotonic(){return ENVIRONMENT_IS_NODE||"undefined"!=typeof dateNow||"object"==typeof performance&&performance&&"function"==typeof performance.now}function _clock_gettime(e,r){var t;if(0===e)t=Date.now();else{if(1!==e||!_emscripten_get_now_is_monotonic())return ___setErrNo(22),-1;t=_emscripten_get_now()}return HEAP32[r>>2]=t/1e3|0,HEAP32[r+4>>2]=t%1e3*1e3*1e3|0,0}function _emscripten_set_main_loop_timing(e,r){if(Browser.mainLoop.timingMode=e,Browser.mainLoop.timingValue=r,!Browser.mainLoop.func)return 1;if(0==e)Browser.mainLoop.scheduler=function(){var e=0|Math.max(0,Browser.mainLoop.tickStartTime+r-_emscripten_get_now());setTimeout(Browser.mainLoop.runner,e)},Browser.mainLoop.method="timeout";else if(1==e)Browser.mainLoop.scheduler=function(){Browser.requestAnimationFrame(Browser.mainLoop.runner)},Browser.mainLoop.method="rAF";else if(2==e){if("undefined"==typeof setImmediate){var t=[],n="setimmediate";addEventListener("message",function(e){e.data!==n&&e.data.target!==n||(e.stopPropagation(),t.shift()())},!0),setImmediate=function(e){t.push(e),ENVIRONMENT_IS_WORKER?(void 0===Module.setImmediates&&(Module.setImmediates=[]),Module.setImmediates.push(e),postMessage({target:n})):postMessage(n,"*")}}Browser.mainLoop.scheduler=function(){setImmediate(Browser.mainLoop.runner)},Browser.mainLoop.method="immediate"}return 0}function _emscripten_set_main_loop(e,r,t,n,o){var i;Module.noExitRuntime=!0,assert(!Browser.mainLoop.func,"emscripten_set_main_loop: there can only be one main loop function at once: call emscripten_cancel_main_loop to cancel the previous one before setting a new one with different parameters."),Browser.mainLoop.func=e,Browser.mainLoop.arg=n,i=void 0!==n?function(){Module.dynCall_vi(e,n)}:function(){Module.dynCall_v(e)};var a=Browser.mainLoop.currentlyRunningMainloop;if(Browser.mainLoop.runner=function(){if(!ABORT)if(0<Browser.mainLoop.queue.length){var e=Date.now(),r=Browser.mainLoop.queue.shift();if(r.func(r.arg),Browser.mainLoop.remainingBlockers){var t=Browser.mainLoop.remainingBlockers,n=t%1==0?t-1:Math.floor(t);r.counted?Browser.mainLoop.remainingBlockers=n:(n+=.5,Browser.mainLoop.remainingBlockers=(8*t+n)/9)}if(console.log('main loop blocker "'+r.name+'" took '+(Date.now()-e)+" ms"),Browser.mainLoop.updateStatus(),a<Browser.mainLoop.currentlyRunningMainloop)return;setTimeout(Browser.mainLoop.runner,0)}else a<Browser.mainLoop.currentlyRunningMainloop||(Browser.mainLoop.currentFrameNumber=Browser.mainLoop.currentFrameNumber+1|0,1==Browser.mainLoop.timingMode&&1<Browser.mainLoop.timingValue&&Browser.mainLoop.currentFrameNumber%Browser.mainLoop.timingValue!=0?Browser.mainLoop.scheduler():(0==Browser.mainLoop.timingMode&&(Browser.mainLoop.tickStartTime=_emscripten_get_now()),"timeout"===Browser.mainLoop.method&&Module.ctx&&(err("Looks like you are rendering without using requestAnimationFrame for the main loop. You should use 0 for the frame rate in emscripten_set_main_loop in order to use requestAnimationFrame, as that can greatly improve your frame rates!"),Browser.mainLoop.method=""),Browser.mainLoop.runIter(i),a<Browser.mainLoop.currentlyRunningMainloop||("object"==typeof SDL&&SDL.audio&&SDL.audio.queueNewAudioData&&SDL.audio.queueNewAudioData(),Browser.mainLoop.scheduler())))},o||(r&&0<r?_emscripten_set_main_loop_timing(0,1e3/r):_emscripten_set_main_loop_timing(1,1),Browser.mainLoop.scheduler()),t)throw"SimulateInfiniteLoop"}var Browser={mainLoop:{scheduler:null,method:"",currentlyRunningMainloop:0,func:null,arg:0,timingMode:0,timingValue:0,currentFrameNumber:0,queue:[],pause:function(){Browser.mainLoop.scheduler=null,Browser.mainLoop.currentlyRunningMainloop++},resume:function(){Browser.mainLoop.currentlyRunningMainloop++;var e=Browser.mainLoop.timingMode,r=Browser.mainLoop.timingValue,t=Browser.mainLoop.func;Browser.mainLoop.func=null,_emscripten_set_main_loop(t,0,!1,Browser.mainLoop.arg,!0),_emscripten_set_main_loop_timing(e,r),Browser.mainLoop.scheduler()},updateStatus:function(){if(Module.setStatus){var e=Module.statusMessage||"Please wait...",r=Browser.mainLoop.remainingBlockers,t=Browser.mainLoop.expectedBlockers;r?r<t?Module.setStatus(e+" ("+(t-r)+"/"+t+")"):Module.setStatus(e):Module.setStatus("")}},runIter:function(e){if(!ABORT){if(Module.preMainLoop)if(!1===Module.preMainLoop())return;try{e()}catch(e){if(e instanceof ExitStatus)return;throw e&&"object"==typeof e&&e.stack&&err("exception thrown: "+[e,e.stack]),e}Module.postMainLoop&&Module.postMainLoop()}}},isFullscreen:!1,pointerLock:!1,moduleContextCreatedCallbacks:[],workers:[],init:function(){if(Module.preloadPlugins||(Module.preloadPlugins=[]),!Browser.initted){Browser.initted=!0;try{new Blob,Browser.hasBlobConstructor=!0}catch(e){Browser.hasBlobConstructor=!1,console.log("warning: no blob constructor, cannot create blobs with mimetypes")}Browser.BlobBuilder="undefined"!=typeof MozBlobBuilder?MozBlobBuilder:"undefined"!=typeof WebKitBlobBuilder?WebKitBlobBuilder:Browser.hasBlobConstructor?null:console.log("warning: no BlobBuilder"),Browser.URLObject="undefined"!=typeof window?window.URL?window.URL:window.webkitURL:void 0,Module.noImageDecoding||void 0!==Browser.URLObject||(console.log("warning: Browser does not support creating object URLs. Built-in browser image decoding will not be available."),Module.noImageDecoding=!0);var e={canHandle:function(e){return!Module.noImageDecoding&&/\.(jpg|jpeg|png|bmp)$/i.test(e)},handle:function(r,t,n,o){var e=null;if(Browser.hasBlobConstructor)try{(e=new Blob([r],{type:Browser.getMimetype(t)})).size!==r.length&&(e=new Blob([new Uint8Array(r).buffer],{type:Browser.getMimetype(t)}))}catch(e){warnOnce("Blob constructor present but fails: "+e+"; falling back to blob builder")}if(!e){var i=new Browser.BlobBuilder;i.append(new Uint8Array(r).buffer),e=i.getBlob()}var a=Browser.URLObject.createObjectURL(e),s=new Image;s.onload=function(){assert(s.complete,"Image "+t+" could not be decoded");var e=document.createElement("canvas");e.width=s.width,e.height=s.height,e.getContext("2d").drawImage(s,0,0),Module.preloadedImages[t]=e,Browser.URLObject.revokeObjectURL(a),n&&n(r)},s.onerror=function(e){console.log("Image "+a+" could not be decoded"),o&&o()},s.src=a}};Module.preloadPlugins.push(e);var r={canHandle:function(e){return!Module.noAudioDecoding&&e.substr(-4)in{".ogg":1,".wav":1,".mp3":1}},handle:function(r,t,n,e){var o=!1;function i(e){o||(o=!0,Module.preloadedAudios[t]=e,n&&n(r))}function a(){o||(o=!0,Module.preloadedAudios[t]=new Audio,e&&e())}if(!Browser.hasBlobConstructor)return a();try{var s=new Blob([r],{type:Browser.getMimetype(t)})}catch(e){return a()}var u=Browser.URLObject.createObjectURL(s),l=new Audio;l.addEventListener("canplaythrough",function(){i(l)},!1),l.onerror=function(e){o||(console.log("warning: browser could not fully decode audio "+t+", trying slower base64 approach"),l.src="data:audio/x-"+t.substr(-3)+";base64,"+function(e){for(var r="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",t="",n=0,o=0,i=0;i<e.length;i++)for(n=n<<8|e[i],o+=8;6<=o;){var a=n>>o-6&63;o-=6,t+=r[a]}return 2==o?(t+=r[(3&n)<<4],t+="=="):4==o&&(t+=r[(15&n)<<2],t+="="),t}(r),i(l))},l.src=u,Browser.safeSetTimeout(function(){i(l)},1e4)}};Module.preloadPlugins.push(r);var t=Module.canvas;t&&(t.requestPointerLock=t.requestPointerLock||t.mozRequestPointerLock||t.webkitRequestPointerLock||t.msRequestPointerLock||function(){},t.exitPointerLock=document.exitPointerLock||document.mozExitPointerLock||document.webkitExitPointerLock||document.msExitPointerLock||function(){},t.exitPointerLock=t.exitPointerLock.bind(document),document.addEventListener("pointerlockchange",n,!1),document.addEventListener("mozpointerlockchange",n,!1),document.addEventListener("webkitpointerlockchange",n,!1),document.addEventListener("mspointerlockchange",n,!1),Module.elementPointerLock&&t.addEventListener("click",function(e){!Browser.pointerLock&&Module.canvas.requestPointerLock&&(Module.canvas.requestPointerLock(),e.preventDefault())},!1))}function n(){Browser.pointerLock=document.pointerLockElement===Module.canvas||document.mozPointerLockElement===Module.canvas||document.webkitPointerLockElement===Module.canvas||document.msPointerLockElement===Module.canvas}},createContext:function(e,r,t,n){if(r&&Module.ctx&&e==Module.canvas)return Module.ctx;var o,i;if(r){var a={antialias:!1,alpha:!1,majorVersion:1};if(n)for(var s in n)a[s]=n[s];"undefined"!=typeof GL&&(i=GL.createContext(e,a))&&(o=GL.getContext(i).GLctx)}else o=e.getContext("2d");return o?(t&&(r||assert("undefined"==typeof GLctx,"cannot set in module if GLctx is used, but we are a non-GL context that would replace it"),Module.ctx=o,r&&GL.makeContextCurrent(i),Module.useWebGL=r,Browser.moduleContextCreatedCallbacks.forEach(function(e){e()}),Browser.init()),o):null},destroyContext:function(e,r,t){},fullscreenHandlersInstalled:!1,lockPointer:void 0,resizeCanvas:void 0,requestFullscreen:function(e,r,t){Browser.lockPointer=e,Browser.resizeCanvas=r,Browser.vrDevice=t,void 0===Browser.lockPointer&&(Browser.lockPointer=!0),void 0===Browser.resizeCanvas&&(Browser.resizeCanvas=!1),void 0===Browser.vrDevice&&(Browser.vrDevice=null);var n=Module.canvas;function o(){Browser.isFullscreen=!1;var e=n.parentNode;(document.fullscreenElement||document.mozFullScreenElement||document.msFullscreenElement||document.webkitFullscreenElement||document.webkitCurrentFullScreenElement)===e?(n.exitFullscreen=Browser.exitFullscreen,Browser.lockPointer&&n.requestPointerLock(),Browser.isFullscreen=!0,Browser.resizeCanvas?Browser.setFullscreenCanvasSize():Browser.updateCanvasDimensions(n)):(e.parentNode.insertBefore(n,e),e.parentNode.removeChild(e),Browser.resizeCanvas?Browser.setWindowedCanvasSize():Browser.updateCanvasDimensions(n)),Module.onFullScreen&&Module.onFullScreen(Browser.isFullscreen),Module.onFullscreen&&Module.onFullscreen(Browser.isFullscreen)}Browser.fullscreenHandlersInstalled||(Browser.fullscreenHandlersInstalled=!0,document.addEventListener("fullscreenchange",o,!1),document.addEventListener("mozfullscreenchange",o,!1),document.addEventListener("webkitfullscreenchange",o,!1),document.addEventListener("MSFullscreenChange",o,!1));var i=document.createElement("div");n.parentNode.insertBefore(i,n),i.appendChild(n),i.requestFullscreen=i.requestFullscreen||i.mozRequestFullScreen||i.msRequestFullscreen||(i.webkitRequestFullscreen?function(){i.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT)}:null)||(i.webkitRequestFullScreen?function(){i.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT)}:null),t?i.requestFullscreen({vrDisplay:t}):i.requestFullscreen()},requestFullScreen:function(e,r,t){return err("Browser.requestFullScreen() is deprecated. Please call Browser.requestFullscreen instead."),Browser.requestFullScreen=function(e,r,t){return Browser.requestFullscreen(e,r,t)},Browser.requestFullscreen(e,r,t)},exitFullscreen:function(){return!!Browser.isFullscreen&&((document.exitFullscreen||document.cancelFullScreen||document.mozCancelFullScreen||document.msExitFullscreen||document.webkitCancelFullScreen||function(){}).apply(document,[]),!0)},nextRAF:0,fakeRequestAnimationFrame:function(e){var r=Date.now();if(0===Browser.nextRAF)Browser.nextRAF=r+1e3/60;else for(;r+2>=Browser.nextRAF;)Browser.nextRAF+=1e3/60;var t=Math.max(Browser.nextRAF-r,0);setTimeout(e,t)},requestAnimationFrame:function(e){"function"!=typeof requestAnimationFrame?(0,Browser.fakeRequestAnimationFrame)(e):requestAnimationFrame(e)},safeCallback:function(e){return function(){if(!ABORT)return e.apply(null,arguments)}},allowAsyncCallbacks:!0,queuedAsyncCallbacks:[],pauseAsyncCallbacks:function(){Browser.allowAsyncCallbacks=!1},resumeAsyncCallbacks:function(){if(Browser.allowAsyncCallbacks=!0,0<Browser.queuedAsyncCallbacks.length){var e=Browser.queuedAsyncCallbacks;Browser.queuedAsyncCallbacks=[],e.forEach(function(e){e()})}},safeRequestAnimationFrame:function(e){return Browser.requestAnimationFrame(function(){ABORT||(Browser.allowAsyncCallbacks?e():Browser.queuedAsyncCallbacks.push(e))})},safeSetTimeout:function(e,r){return Module.noExitRuntime=!0,setTimeout(function(){ABORT||(Browser.allowAsyncCallbacks?e():Browser.queuedAsyncCallbacks.push(e))},r)},safeSetInterval:function(e,r){return Module.noExitRuntime=!0,setInterval(function(){ABORT||Browser.allowAsyncCallbacks&&e()},r)},getMimetype:function(e){return{jpg:"image/jpeg",jpeg:"image/jpeg",png:"image/png",bmp:"image/bmp",ogg:"audio/ogg",wav:"audio/wav",mp3:"audio/mpeg"}[e.substr(e.lastIndexOf(".")+1)]},getUserMedia:function(e){window.getUserMedia||(window.getUserMedia=navigator.getUserMedia||navigator.mozGetUserMedia),window.getUserMedia(e)},getMovementX:function(e){return e.movementX||e.mozMovementX||e.webkitMovementX||0},getMovementY:function(e){return e.movementY||e.mozMovementY||e.webkitMovementY||0},getMouseWheelDelta:function(e){var r=0;switch(e.type){case"DOMMouseScroll":r=e.detail/3;break;case"mousewheel":r=e.wheelDelta/120;break;case"wheel":switch(r=e.deltaY,e.deltaMode){case 0:r/=100;break;case 1:r/=3;break;case 2:r*=80;break;default:throw"unrecognized mouse wheel delta mode: "+e.deltaMode}break;default:throw"unrecognized mouse wheel event: "+e.type}return r},mouseX:0,mouseY:0,mouseMovementX:0,mouseMovementY:0,touches:{},lastTouches:{},calculateMouseEvent:function(e){if(Browser.pointerLock)"mousemove"!=e.type&&"mozMovementX"in e?Browser.mouseMovementX=Browser.mouseMovementY=0:(Browser.mouseMovementX=Browser.getMovementX(e),Browser.mouseMovementY=Browser.getMovementY(e)),"undefined"!=typeof SDL?(Browser.mouseX=SDL.mouseX+Browser.mouseMovementX,Browser.mouseY=SDL.mouseY+Browser.mouseMovementY):(Browser.mouseX+=Browser.mouseMovementX,Browser.mouseY+=Browser.mouseMovementY);else{var r=Module.canvas.getBoundingClientRect(),t=Module.canvas.width,n=Module.canvas.height,o=void 0!==window.scrollX?window.scrollX:window.pageXOffset,i=void 0!==window.scrollY?window.scrollY:window.pageYOffset;if("touchstart"===e.type||"touchend"===e.type||"touchmove"===e.type){var a=e.touch;if(void 0===a)return;var s=a.pageX-(o+r.left),u=a.pageY-(i+r.top),l={x:s*=t/r.width,y:u*=n/r.height};if("touchstart"===e.type)Browser.lastTouches[a.identifier]=l,Browser.touches[a.identifier]=l;else if("touchend"===e.type||"touchmove"===e.type){var c=Browser.touches[a.identifier];c=c||l,Browser.lastTouches[a.identifier]=c,Browser.touches[a.identifier]=l}return}var d=e.pageX-(o+r.left),f=e.pageY-(i+r.top);d*=t/r.width,f*=n/r.height,Browser.mouseMovementX=d-Browser.mouseX,Browser.mouseMovementY=f-Browser.mouseY,Browser.mouseX=d,Browser.mouseY=f}},asyncLoad:function(r,t,n,e){var o=e?"":getUniqueRunDependency("al "+r);readAsync(r,function(e){assert(e,'Loading data file "'+r+'" failed (no arrayBuffer).'),t(new Uint8Array(e)),o&&removeRunDependency(o)},function(e){if(!n)throw'Loading data file "'+r+'" failed.';n()}),o&&addRunDependency(o)},resizeListeners:[],updateResizeListeners:function(){var r=Module.canvas;Browser.resizeListeners.forEach(function(e){e(r.width,r.height)})},setCanvasSize:function(e,r,t){var n=Module.canvas;Browser.updateCanvasDimensions(n,e,r),t||Browser.updateResizeListeners()},windowedWidth:0,windowedHeight:0,setFullscreenCanvasSize:function(){if("undefined"!=typeof SDL){var e=HEAPU32[SDL.screen>>2];e|=8388608,HEAP32[SDL.screen>>2]=e}Browser.updateCanvasDimensions(Module.canvas),Browser.updateResizeListeners()},setWindowedCanvasSize:function(){if("undefined"!=typeof SDL){var e=HEAPU32[SDL.screen>>2];e&=-8388609,HEAP32[SDL.screen>>2]=e}Browser.updateCanvasDimensions(Module.canvas),Browser.updateResizeListeners()},updateCanvasDimensions:function(e,r,t){r&&t?(e.widthNative=r,e.heightNative=t):(r=e.widthNative,t=e.heightNative);var n=r,o=t;if(Module.forcedAspectRatio&&0<Module.forcedAspectRatio&&(n/o<Module.forcedAspectRatio?n=Math.round(o*Module.forcedAspectRatio):o=Math.round(n/Module.forcedAspectRatio)),(document.fullscreenElement||document.mozFullScreenElement||document.msFullscreenElement||document.webkitFullscreenElement||document.webkitCurrentFullScreenElement)===e.parentNode&&"undefined"!=typeof screen){var i=Math.min(screen.width/n,screen.height/o);n=Math.round(n*i),o=Math.round(o*i)}Browser.resizeCanvas?(e.width!=n&&(e.width=n),e.height!=o&&(e.height=o),void 0!==e.style&&(e.style.removeProperty("width"),e.style.removeProperty("height"))):(e.width!=r&&(e.width=r),e.height!=t&&(e.height=t),void 0!==e.style&&(n!=r||o!=t?(e.style.setProperty("width",n+"px","important"),e.style.setProperty("height",o+"px","important")):(e.style.removeProperty("width"),e.style.removeProperty("height"))))},wgetRequests:{},nextWgetRequestHandle:0,getNextWgetRequestHandle:function(){var e=Browser.nextWgetRequestHandle;return Browser.nextWgetRequestHandle++,e}};function _emscripten_async_call(e,r,t){function n(){getFuncWrapper(e,"vi")(r)}Module.noExitRuntime=!0,0<=t?Browser.safeSetTimeout(n,t):Browser.safeRequestAnimationFrame(n)}function _emscripten_get_heap_size(){return HEAP8.length}function _exit(e){exit(e)}var ENV={};function _getenv(e){return 0===e?0:(e=UTF8ToString(e),ENV.hasOwnProperty(e)?(_getenv.ret&&_free(_getenv.ret),_getenv.ret=allocateUTF8(ENV[e]),_getenv.ret):0)}function _llvm_stackrestore(e){var r=_llvm_stacksave,t=r.LLVM_SAVEDSTACKS[e];r.LLVM_SAVEDSTACKS.splice(e,1),stackRestore(t)}function _llvm_stacksave(){var e=_llvm_stacksave;return e.LLVM_SAVEDSTACKS||(e.LLVM_SAVEDSTACKS=[]),e.LLVM_SAVEDSTACKS.push(stackSave()),e.LLVM_SAVEDSTACKS.length-1}function _emscripten_memcpy_big(e,r,t){HEAPU8.set(HEAPU8.subarray(r,r+t),e)}function _pthread_attr_init(e){return 0}function _pthread_attr_setstacksize(){}function _pthread_cond_destroy(){return 0}function _pthread_cond_signal(){return 0}function _pthread_cond_wait(){return 0}function _pthread_create(){return 11}function _pthread_join(){}function abortOnCannotGrowMemory(e){abort("OOM")}function _emscripten_resize_heap(e){abortOnCannotGrowMemory(e)}function __isLeapYear(e){return e%4==0&&(e%100!=0||e%400==0)}function __arraySum(e,r){for(var t=0,n=0;n<=r;t+=e[n++]);return t}var __MONTH_DAYS_LEAP=[31,29,31,30,31,30,31,31,30,31,30,31],__MONTH_DAYS_REGULAR=[31,28,31,30,31,30,31,31,30,31,30,31];function __addDays(e,r){for(var t=new Date(e.getTime());0<r;){var n=__isLeapYear(t.getFullYear()),o=t.getMonth(),i=(n?__MONTH_DAYS_LEAP:__MONTH_DAYS_REGULAR)[o];if(!(r>i-t.getDate()))return t.setDate(t.getDate()+r),t;r-=i-t.getDate()+1,t.setDate(1),o<11?t.setMonth(o+1):(t.setMonth(0),t.setFullYear(t.getFullYear()+1))}return t}function _strftime(e,r,t,n){var o=HEAP32[n+40>>2],i={tm_sec:HEAP32[n>>2],tm_min:HEAP32[n+4>>2],tm_hour:HEAP32[n+8>>2],tm_mday:HEAP32[n+12>>2],tm_mon:HEAP32[n+16>>2],tm_year:HEAP32[n+20>>2],tm_wday:HEAP32[n+24>>2],tm_yday:HEAP32[n+28>>2],tm_isdst:HEAP32[n+32>>2],tm_gmtoff:HEAP32[n+36>>2],tm_zone:o?UTF8ToString(o):""},a=UTF8ToString(t),s={"%c":"%a %b %d %H:%M:%S %Y","%D":"%m/%d/%y","%F":"%Y-%m-%d","%h":"%b","%r":"%I:%M:%S %p","%R":"%H:%M","%T":"%H:%M:%S","%x":"%m/%d/%y","%X":"%H:%M:%S","%Ec":"%c","%EC":"%C","%Ex":"%m/%d/%y","%EX":"%H:%M:%S","%Ey":"%y","%EY":"%Y","%Od":"%d","%Oe":"%e","%OH":"%H","%OI":"%I","%Om":"%m","%OM":"%M","%OS":"%S","%Ou":"%u","%OU":"%U","%OV":"%V","%Ow":"%w","%OW":"%W","%Oy":"%y"};for(var u in s)a=a.replace(new RegExp(u,"g"),s[u]);var l=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"],c=["January","February","March","April","May","June","July","August","September","October","November","December"];function d(e,r,t){for(var n="number"==typeof 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o=__arraySum(__isLeapYear(n.getFullYear())?__MONTH_DAYS_LEAP:__MONTH_DAYS_REGULAR,n.getMonth()-1)-31,i=31-t.getDate()+o+n.getDate();return f(Math.ceil(i/7),2)}return 0===m(t,r)?"01":"00"},"%V":function(e){var r,t=new Date(e.tm_year+1900,0,4),n=new Date(e.tm_year+1901,0,4),o=p(t),i=p(n),a=__addDays(new Date(e.tm_year+1900,0,1),e.tm_yday);return m(a,o)<0?"53":m(i,a)<=0?"01":(r=o.getFullYear()<e.tm_year+1900?e.tm_yday+32-o.getDate():e.tm_yday+1-o.getDate(),f(Math.ceil(r/7),2))},"%w":function(e){return e.tm_wday},"%W":function(e){var r=new Date(e.tm_year,0,1),t=1===r.getDay()?r:__addDays(r,0===r.getDay()?1:7-r.getDay()+1),n=new Date(e.tm_year+1900,e.tm_mon,e.tm_mday);if(m(t,n)<0){var o=__arraySum(__isLeapYear(n.getFullYear())?__MONTH_DAYS_LEAP:__MONTH_DAYS_REGULAR,n.getMonth()-1)-31,i=31-t.getDate()+o+n.getDate();return f(Math.ceil(i/7),2)}return 0===m(t,r)?"01":"00"},"%y":function(e){return(e.tm_year+1900).toString().substring(2)},"%Y":function(e){return 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