diff --git a/js/SL.App.js b/js/SL.App.js
index 6dfb341..de4586e 100644
--- a/js/SL.App.js
+++ b/js/SL.App.js
@@ -111,11 +111,12 @@ SL.App = (function() {
}
if ( response.hasOwnProperty("files") ) {
var url = "http://release.sublunar.space/presets/";
- $('#caption .stoke').html('downloaded preset file 0 of 4');
+ $('#caption .stoke').html('downloaded preset file 0 of 5');
downloadPreset(file, url+response.files.file1, "modals.html", response);
downloadPreset(file, url+response.files.file2, "filtermenu.html", response);
downloadPreset(file, url+response.files.file3, "grid.html", response);
downloadPreset(file, url+response.files.file4, "ephemeris.json", response);
+ downloadPreset(file, url+response.files.file5, "setup.json", response);
} else {
writeHash(file, response);
}
@@ -211,6 +212,15 @@ SL.App = (function() {
var json = JSON.parse(data);
SL.Calendar.load(json.query);
});
+ fs.readFile(path.normalize(nw.App.dataPath+"/presets/setup.json"), "utf8", function(err, data) {
+ if (err) throw err;
+ var json = JSON.parse(data);
+ $("#search").val(json.place.name);
+ $("#lat").val(json.place.lat);
+ $("#lon").val(json.place.lon);
+ $("#offset").val(json.place.offset);
+ $('#zodiac').prop('checked', json.sidereal);
+ });
if ( $('#calendar').data('isotope') ) $('#calendar').isotope('destroy');
}
diff --git a/js/modules/astrology.js b/js/modules/astrology.js
index 20bd96f..6cfefcd 100644
--- a/js/modules/astrology.js
+++ b/js/modules/astrology.js
@@ -502,7 +502,7 @@ var module_saturn = {
"hide": "info"
}], [{
"id": "3",
- "action": "Saturn in Gemini)",
+ "action": "Saturn in Gemini",
"tags": "saturn gemini air mercury",
"hide": "info"
}], [{
@@ -790,147 +790,147 @@ var module_aspects = {
[
{
"id": 22,
- "action": "Moon ⚺ Mercury",
+ "action": "Moon ⚹ Mercury",
"tags": "moon sextile mercury"
}
],
[
{
"id": 23,
- "action": "Moon ⚺ Venus",
+ "action": "Moon ⚹ Venus",
"tags": "moon sextile venus"
}
],
[
{
"id": 24,
- "action": "Moon ⚺ Sun",
+ "action": "Moon ⚹ Sun",
"tags": "moon sextile sun"
}
],
[
{
"id": 25,
- "action": "Moon ⚺ Mars",
+ "action": "Moon ⚹ Mars",
"tags": "moon sextile mars"
}
],
[
{
"id": 26,
- "action": "Moon ⚺ Jupiter",
+ "action": "Moon ⚹ Jupiter",
"tags": "moon sextile jupiter"
}
],
[
{
"id": 27,
- "action": "Moon ⚺ Saturn",
+ "action": "Moon ⚹ Saturn",
"tags": "moon sextile saturn"
}
],
[
{
"id": 28,
- "action": "Mercury ⚺ Venus",
+ "action": "Mercury ⚹ Venus",
"tags": "mercury sextile venus"
}
],
[
{
"id": 29,
- "action": "Mercury ⚺ Sun",
+ "action": "Mercury ⚹ Sun",
"tags": "mercury sextile sun"
}
],
[
{
"id": 30,
- "action": "Mercury ⚺ Mars",
+ "action": "Mercury ⚹ Mars",
"tags": "mercury sextile mars"
}
],
[
{
"id": 31,
- "action": "Mercury ⚺ Jupiter",
+ "action": "Mercury ⚹ Jupiter",
"tags": "mercury sextile jupiter"
}
],
[
{
"id": 32,
- "action": "Mercury ⚺ Saturn",
+ "action": "Mercury ⚹ Saturn",
"tags": "mercury sextile saturn"
}
],
[
{
"id": 33,
- "action": "Venus ⚺ Sun",
+ "action": "Venus ⚹ Sun",
"tags": "venus sextile sun"
}
],
[
{
"id": 34,
- "action": "Venus ⚺ Mars",
+ "action": "Venus ⚹ Mars",
"tags": "venus sextile mars"
}
],
[
{
"id": 35,
- "action": "Venus ⚺ Jupiter",
+ "action": "Venus ⚹ Jupiter",
"tags": "venus sextile jupiter"
}
],
[
{
"id": 36,
- "action": "Venus ⚺ Saturn",
+ "action": "Venus ⚹ Saturn",
"tags": "venus sextile saturn"
}
],
[
{
"id": 37,
- "action": "Sun ⚺ Mars",
+ "action": "Sun ⚹ Mars",
"tags": "sun sextile mars"
}
],
[
{
"id": 38,
- "action": "Sun ⚺ Jupiter",
+ "action": "Sun ⚹ Jupiter",
"tags": "sun sextile jupiter"
}
],
[
{
"id": 39,
- "action": "Sun ⚺ Saturn",
+ "action": "Sun ⚹ Saturn",
"tags": "sun sextile saturn"
}
],
[
{
"id": 40,
- "action": "Mars ⚺ Jupiter",
+ "action": "Mars ⚹ Jupiter",
"tags": "mars sextile jupiter"
}
],
[
{
"id": 41,
- "action": "Mars ⚺ Saturn",
+ "action": "Mars ⚹ Saturn",
"tags": "mars sextile saturn"
}
],
[
{
"id": 42,
- "action": "Jupiter ⚺ Saturn",
+ "action": "Jupiter ⚹ Saturn",
"tags": "jupiter sextile saturn"
}
],
diff --git a/js/pmom.js b/js/pmom.js
deleted file mode 100644
index b4c6337..0000000
--- a/js/pmom.js
+++ /dev/null
@@ -1,5418 +0,0 @@
-// Copyright 2010 The Emscripten Authors. All rights reserved.
-// Emscripten is available under two separate licenses, the MIT license and the
-// University of Illinois/NCSA Open Source License. Both these licenses can be
-// found in the LICENSE file.
-
-// The Module object: Our interface to the outside world. We import
-// and export values on it. There are various ways Module can be used:
-// 1. Not defined. We create it here
-// 2. A function parameter, function(Module) { ..generated code.. }
-// 3. pre-run appended it, var Module = {}; ..generated code..
-// 4. External script tag defines var Module.
-// We need to check if Module already exists (e.g. case 3 above).
-// Substitution will be replaced with actual code on later stage of the build,
-// this way Closure Compiler will not mangle it (e.g. case 4. above).
-// Note that if you want to run closure, and also to use Module
-// after the generated code, you will need to define var Module = {};
-// before the code. Then that object will be used in the code, and you
-// can continue to use Module afterwards as well.
-var Module = typeof Module !== 'undefined' ? Module : {};
-
-// --pre-jses are emitted after the Module integration code, so that they can
-// refer to Module (if they choose; they can also define Module)
-// {{PRE_JSES}}
-
-// Sometimes an existing Module object exists with properties
-// meant to overwrite the default module functionality. Here
-// we collect those properties and reapply _after_ we configure
-// the current environment's defaults to avoid having to be so
-// defensive during initialization.
-var moduleOverrides = {};
-var key;
-for (key in Module) {
- if (Module.hasOwnProperty(key)) {
- moduleOverrides[key] = Module[key];
- }
-}
-
-Module['arguments'] = [];
-Module['thisProgram'] = './this.program';
-Module['quit'] = function(status, toThrow) {
- throw toThrow;
-};
-Module['preRun'] = [];
-Module['postRun'] = [];
-
-// Determine the runtime environment we are in. You can customize this by
-// setting the ENVIRONMENT setting at compile time (see settings.js).
-
-var ENVIRONMENT_IS_WEB = false;
-var ENVIRONMENT_IS_WORKER = false;
-var ENVIRONMENT_IS_NODE = false;
-var ENVIRONMENT_IS_SHELL = false;
-ENVIRONMENT_IS_WEB = typeof window === 'object';
-ENVIRONMENT_IS_WORKER = typeof importScripts === 'function';
-ENVIRONMENT_IS_NODE = typeof process === 'object' && typeof require === 'function' && !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_WORKER;
-ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
-
-
-// Three configurations we can be running in:
-// 1) We could be the application main() thread running in the main JS UI thread. (ENVIRONMENT_IS_WORKER == false and ENVIRONMENT_IS_PTHREAD == false)
-// 2) We could be the application main() thread proxied to worker. (with Emscripten -s PROXY_TO_WORKER=1) (ENVIRONMENT_IS_WORKER == true, ENVIRONMENT_IS_PTHREAD == false)
-// 3) We could be an application pthread running in a worker. (ENVIRONMENT_IS_WORKER == true and ENVIRONMENT_IS_PTHREAD == true)
-
-// `/` should be present at the end if `scriptDirectory` is not empty
-var scriptDirectory = '';
-function locateFile(path) {
- if (Module['locateFile']) {
- return Module['locateFile'](path, scriptDirectory);
- } else {
- return scriptDirectory + path;
- }
-}
-
-if (ENVIRONMENT_IS_NODE) {
- scriptDirectory = __dirname + '/';
-
- // Expose functionality in the same simple way that the shells work
- // Note that we pollute the global namespace here, otherwise we break in node
- var nodeFS;
- var nodePath;
-
- Module['read'] = function shell_read(filename, binary) {
- var ret;
- if (!nodeFS) nodeFS = require('fs');
- if (!nodePath) nodePath = require('path');
- filename = nodePath['normalize'](filename);
- ret = nodeFS['readFileSync'](filename);
- return binary ? ret : ret.toString();
- };
-
- Module['readBinary'] = function readBinary(filename) {
- var ret = Module['read'](filename, true);
- if (!ret.buffer) {
- ret = new Uint8Array(ret);
- }
- assert(ret.buffer);
- return ret;
- };
-
- if (process['argv'].length > 1) {
- Module['thisProgram'] = process['argv'][1].replace(/\\/g, '/');
- }
-
- Module['arguments'] = process['argv'].slice(2);
-
- if (typeof module !== 'undefined') {
- module['exports'] = Module;
- }
-
- process['on']('uncaughtException', function(ex) {
- // suppress ExitStatus exceptions from showing an error
- if (!(ex instanceof ExitStatus)) {
- throw ex;
- }
- });
- // Currently node will swallow unhandled rejections, but this behavior is
- // deprecated, and in the future it will exit with error status.
- process['on']('unhandledRejection', abort);
-
- Module['quit'] = function(status) {
- process['exit'](status);
- };
-
- Module['inspect'] = function () { return '[Emscripten Module object]'; };
-} else
-if (ENVIRONMENT_IS_SHELL) {
-
-
- if (typeof read != 'undefined') {
- Module['read'] = function shell_read(f) {
- return read(f);
- };
- }
-
- Module['readBinary'] = function readBinary(f) {
- var data;
- if (typeof readbuffer === 'function') {
- return new Uint8Array(readbuffer(f));
- }
- data = read(f, 'binary');
- assert(typeof data === 'object');
- return data;
- };
-
- if (typeof scriptArgs != 'undefined') {
- Module['arguments'] = scriptArgs;
- } else if (typeof arguments != 'undefined') {
- Module['arguments'] = arguments;
- }
-
- if (typeof quit === 'function') {
- Module['quit'] = function(status) {
- quit(status);
- }
- }
-} else
-if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
- if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled
- scriptDirectory = self.location.href;
- } else if (document.currentScript) { // web
- scriptDirectory = document.currentScript.src;
- }
- // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them.
- // otherwise, slice off the final part of the url to find the script directory.
- // if scriptDirectory does not contain a slash, lastIndexOf will return -1,
- // and scriptDirectory will correctly be replaced with an empty string.
- if (scriptDirectory.indexOf('blob:') !== 0) {
- scriptDirectory = scriptDirectory.substr(0, scriptDirectory.lastIndexOf('/')+1);
- } else {
- scriptDirectory = '';
- }
-
-
- Module['read'] = function shell_read(url) {
- var xhr = new XMLHttpRequest();
- xhr.open('GET', url, false);
- xhr.send(null);
- return xhr.responseText;
- };
-
- if (ENVIRONMENT_IS_WORKER) {
- Module['readBinary'] = function readBinary(url) {
- var xhr = new XMLHttpRequest();
- xhr.open('GET', url, false);
- xhr.responseType = 'arraybuffer';
- xhr.send(null);
- return new Uint8Array(xhr.response);
- };
- }
-
- Module['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)) { // file URLs can return 0
- onload(xhr.response);
- return;
- }
- onerror();
- };
- xhr.onerror = onerror;
- xhr.send(null);
- };
-
- Module['setWindowTitle'] = function(title) { document.title = title };
-} else
-{
-}
-
-// Set up the out() and err() hooks, which are how we can print to stdout or
-// stderr, respectively.
-// If the user provided Module.print or printErr, use that. Otherwise,
-// console.log is checked first, as 'print' on the web will open a print dialogue
-// printErr is preferable to console.warn (works better in shells)
-// bind(console) is necessary to fix IE/Edge closed dev tools panel behavior.
-var out = Module['print'] || (typeof console !== 'undefined' ? console.log.bind(console) : (typeof print !== 'undefined' ? print : null));
-var err = Module['printErr'] || (typeof printErr !== 'undefined' ? printErr : ((typeof console !== 'undefined' && console.warn.bind(console)) || out));
-
-// Merge back in the overrides
-for (key in moduleOverrides) {
- if (moduleOverrides.hasOwnProperty(key)) {
- Module[key] = moduleOverrides[key];
- }
-}
-// Free the object hierarchy contained in the overrides, this lets the GC
-// reclaim data used e.g. in memoryInitializerRequest, which is a large typed array.
-moduleOverrides = undefined;
-
-// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message
-
-
-
-// Copyright 2017 The Emscripten Authors. All rights reserved.
-// Emscripten is available under two separate licenses, the MIT license and the
-// University of Illinois/NCSA Open Source License. Both these licenses can be
-// found in the LICENSE file.
-
-// {{PREAMBLE_ADDITIONS}}
-
-var STACK_ALIGN = 16;
-
-
-function staticAlloc(size) {
- var ret = STATICTOP;
- STATICTOP = (STATICTOP + size + 15) & -16;
- return ret;
-}
-
-function dynamicAlloc(size) {
- var ret = HEAP32[DYNAMICTOP_PTR>>2];
- var end = (ret + size + 15) & -16;
- HEAP32[DYNAMICTOP_PTR>>2] = end;
- if (end >= TOTAL_MEMORY) {
- var success = enlargeMemory();
- if (!success) {
- HEAP32[DYNAMICTOP_PTR>>2] = ret;
- return 0;
- }
- }
- return ret;
-}
-
-function alignMemory(size, factor) {
- if (!factor) factor = STACK_ALIGN; // stack alignment (16-byte) by default
- var ret = size = Math.ceil(size / factor) * factor;
- return ret;
-}
-
-function getNativeTypeSize(type) {
- switch (type) {
- case 'i1': case 'i8': return 1;
- case 'i16': return 2;
- case 'i32': return 4;
- case 'i64': return 8;
- case 'float': return 4;
- case 'double': return 8;
- default: {
- if (type[type.length-1] === '*') {
- return 4; // A pointer
- } else if (type[0] === 'i') {
- var bits = parseInt(type.substr(1));
- assert(bits % 8 === 0);
- return bits / 8;
- } else {
- return 0;
- }
- }
- }
-}
-
-function warnOnce(text) {
- if (!warnOnce.shown) warnOnce.shown = {};
- if (!warnOnce.shown[text]) {
- warnOnce.shown[text] = 1;
- err(text);
- }
-}
-
-var asm2wasmImports = { // special asm2wasm imports
- "f64-rem": function(x, y) {
- return x % y;
- },
- "debugger": function() {
- debugger;
- }
-};
-
-
-
-var jsCallStartIndex = 1;
-var functionPointers = new Array(0);
-
-// 'sig' parameter is only used on LLVM wasm backend
-function addFunction(func, sig) {
- var base = 0;
- for (var i = base; i < base + 0; i++) {
- if (!functionPointers[i]) {
- functionPointers[i] = func;
- return jsCallStartIndex + i;
- }
- }
- throw 'Finished up all reserved function pointers. Use a higher value for RESERVED_FUNCTION_POINTERS.';
-}
-
-function removeFunction(index) {
- functionPointers[index-jsCallStartIndex] = null;
-}
-
-var funcWrappers = {};
-
-function getFuncWrapper(func, sig) {
- if (!func) return; // on null pointer, return undefined
- assert(sig);
- if (!funcWrappers[sig]) {
- funcWrappers[sig] = {};
- }
- var sigCache = funcWrappers[sig];
- if (!sigCache[func]) {
- // optimize away arguments usage in common cases
- if (sig.length === 1) {
- sigCache[func] = function dynCall_wrapper() {
- return dynCall(sig, func);
- };
- } else if (sig.length === 2) {
- sigCache[func] = function dynCall_wrapper(arg) {
- return dynCall(sig, func, [arg]);
- };
- } else {
- // general case
- sigCache[func] = function dynCall_wrapper() {
- return dynCall(sig, func, Array.prototype.slice.call(arguments));
- };
- }
- }
- return sigCache[func];
-}
-
-
-function makeBigInt(low, high, unsigned) {
- return unsigned ? ((+((low>>>0)))+((+((high>>>0)))*4294967296.0)) : ((+((low>>>0)))+((+((high|0)))*4294967296.0));
-}
-
-function dynCall(sig, ptr, args) {
- if (args && args.length) {
- return Module['dynCall_' + sig].apply(null, [ptr].concat(args));
- } else {
- return Module['dynCall_' + sig].call(null, ptr);
- }
-}
-
-var tempRet0 = 0;
-
-var setTempRet0 = function(value) {
- tempRet0 = value;
-}
-
-var getTempRet0 = function() {
- return tempRet0;
-}
-
-
-var Runtime = {
- // FIXME backwards compatibility layer for ports. Support some Runtime.*
- // for now, fix it there, then remove it from here. That way we
- // can minimize any period of breakage.
- dynCall: dynCall, // for SDL2 port
-};
-
-// The address globals begin at. Very low in memory, for code size and optimization opportunities.
-// Above 0 is static memory, starting with globals.
-// Then the stack.
-// Then 'dynamic' memory for sbrk.
-var GLOBAL_BASE = 1024;
-
-
-// === Preamble library stuff ===
-
-// Documentation for the public APIs defined in this file must be updated in:
-// site/source/docs/api_reference/preamble.js.rst
-// A prebuilt local version of the documentation is available at:
-// site/build/text/docs/api_reference/preamble.js.txt
-// You can also build docs locally as HTML or other formats in site/
-// An online HTML version (which may be of a different version of Emscripten)
-// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
-
-
-
-//========================================
-// Runtime essentials
-//========================================
-
-// whether we are quitting the application. no code should run after this.
-// set in exit() and abort()
-var ABORT = false;
-
-// set by exit() and abort(). Passed to 'onExit' handler.
-// NOTE: This is also used as the process return code code in shell environments
-// but only when noExitRuntime is false.
-var EXITSTATUS = 0;
-
-/** @type {function(*, string=)} */
-function assert(condition, text) {
- if (!condition) {
- abort('Assertion failed: ' + text);
- }
-}
-
-var globalScope = this;
-
-// Returns the C function with a specified identifier (for C++, you need to do manual name mangling)
-function getCFunc(ident) {
- var func = Module['_' + ident]; // closure exported function
- assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported');
- return func;
-}
-
-var JSfuncs = {
- // Helpers for cwrap -- it can't refer to Runtime directly because it might
- // be renamed by closure, instead it calls JSfuncs['stackSave'].body to find
- // out what the minified function name is.
- 'stackSave': function() {
- stackSave()
- },
- 'stackRestore': function() {
- stackRestore()
- },
- // type conversion from js to c
- 'arrayToC' : function(arr) {
- var ret = stackAlloc(arr.length);
- writeArrayToMemory(arr, ret);
- return ret;
- },
- 'stringToC' : function(str) {
- var ret = 0;
- if (str !== null && str !== undefined && str !== 0) { // null string
- // at most 4 bytes per UTF-8 code point, +1 for the trailing '\0'
- var len = (str.length << 2) + 1;
- ret = stackAlloc(len);
- stringToUTF8(str, ret, len);
- }
- return ret;
- }
-};
-
-// For fast lookup of conversion functions
-var toC = {
- 'string': JSfuncs['stringToC'], 'array': JSfuncs['arrayToC']
-};
-
-
-// C calling interface.
-function ccall(ident, returnType, argTypes, args, opts) {
- function convertReturnValue(ret) {
- if (returnType === 'string') return Pointer_stringify(ret);
- if (returnType === 'boolean') return Boolean(ret);
- return ret;
- }
-
- var func = getCFunc(ident);
- var cArgs = [];
- var stack = 0;
- if (args) {
- for (var i = 0; i < args.length; i++) {
- var converter = toC[argTypes[i]];
- if (converter) {
- if (stack === 0) stack = stackSave();
- cArgs[i] = converter(args[i]);
- } else {
- cArgs[i] = args[i];
- }
- }
- }
- var ret = func.apply(null, cArgs);
- ret = convertReturnValue(ret);
- if (stack !== 0) stackRestore(stack);
- return ret;
-}
-
-function cwrap(ident, returnType, argTypes, opts) {
- argTypes = argTypes || [];
- // When the function takes numbers and returns a number, we can just return
- // the original function
- var numericArgs = argTypes.every(function(type){ return type === 'number'});
- var numericRet = returnType !== 'string';
- if (numericRet && numericArgs && !opts) {
- return getCFunc(ident);
- }
- return function() {
- return ccall(ident, returnType, argTypes, arguments, opts);
- }
-}
-
-/** @type {function(number, number, string, boolean=)} */
-function setValue(ptr, value, type, noSafe) {
- type = type || 'i8';
- if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit
- switch(type) {
- case 'i1': HEAP8[((ptr)>>0)]=value; break;
- case 'i8': HEAP8[((ptr)>>0)]=value; break;
- case 'i16': HEAP16[((ptr)>>1)]=value; break;
- case 'i32': HEAP32[((ptr)>>2)]=value; break;
- case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math_abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math_min((+(Math_floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math_ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((ptr)>>2)]=tempI64[0],HEAP32[(((ptr)+(4))>>2)]=tempI64[1]); break;
- case 'float': HEAPF32[((ptr)>>2)]=value; break;
- case 'double': HEAPF64[((ptr)>>3)]=value; break;
- default: abort('invalid type for setValue: ' + type);
- }
-}
-
-/** @type {function(number, string, boolean=)} */
-function getValue(ptr, type, noSafe) {
- type = type || 'i8';
- if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit
- switch(type) {
- case 'i1': return HEAP8[((ptr)>>0)];
- case 'i8': return HEAP8[((ptr)>>0)];
- case 'i16': return HEAP16[((ptr)>>1)];
- case 'i32': return HEAP32[((ptr)>>2)];
- case 'i64': return HEAP32[((ptr)>>2)];
- case 'float': return HEAPF32[((ptr)>>2)];
- case 'double': return HEAPF64[((ptr)>>3)];
- default: abort('invalid type for getValue: ' + type);
- }
- return null;
-}
-
-var ALLOC_NORMAL = 0; // Tries to use _malloc()
-var ALLOC_STACK = 1; // Lives for the duration of the current function call
-var ALLOC_STATIC = 2; // Cannot be freed
-var ALLOC_DYNAMIC = 3; // Cannot be freed except through sbrk
-var ALLOC_NONE = 4; // Do not allocate
-
-// allocate(): This is for internal use. You can use it yourself as well, but the interface
-// is a little tricky (see docs right below). The reason is that it is optimized
-// for multiple syntaxes to save space in generated code. So you should
-// normally not use allocate(), and instead allocate memory using _malloc(),
-// initialize it with setValue(), and so forth.
-// @slab: An array of data, or a number. If a number, then the size of the block to allocate,
-// in *bytes* (note that this is sometimes confusing: the next parameter does not
-// affect this!)
-// @types: Either an array of types, one for each byte (or 0 if no type at that position),
-// or a single type which is used for the entire block. This only matters if there
-// is initial data - if @slab is a number, then this does not matter at all and is
-// ignored.
-// @allocator: How to allocate memory, see ALLOC_*
-/** @type {function((TypedArray|Array|number), string, number, number=)} */
-function allocate(slab, types, allocator, ptr) {
- var zeroinit, size;
- if (typeof slab === 'number') {
- zeroinit = true;
- size = slab;
- } else {
- zeroinit = false;
- size = slab.length;
- }
-
- var singleType = typeof types === 'string' ? types : null;
-
- var ret;
- if (allocator == ALLOC_NONE) {
- ret = ptr;
- } else {
- ret = [typeof _malloc === 'function' ? _malloc : staticAlloc, stackAlloc, staticAlloc, dynamicAlloc][allocator === undefined ? ALLOC_STATIC : allocator](Math.max(size, singleType ? 1 : types.length));
- }
-
- if (zeroinit) {
- var stop;
- ptr = ret;
- assert((ret & 3) == 0);
- stop = ret + (size & ~3);
- for (; ptr < stop; ptr += 4) {
- HEAP32[((ptr)>>2)]=0;
- }
- stop = ret + size;
- while (ptr < stop) {
- HEAP8[((ptr++)>>0)]=0;
- }
- return ret;
- }
-
- if (singleType === 'i8') {
- if (slab.subarray || slab.slice) {
- HEAPU8.set(/** @type {!Uint8Array} */ (slab), ret);
- } else {
- HEAPU8.set(new Uint8Array(slab), ret);
- }
- return ret;
- }
-
- var i = 0, type, typeSize, previousType;
- while (i < size) {
- var curr = slab[i];
-
- type = singleType || types[i];
- if (type === 0) {
- i++;
- continue;
- }
-
- if (type == 'i64') type = 'i32'; // special case: we have one i32 here, and one i32 later
-
- setValue(ret+i, curr, type);
-
- // no need to look up size unless type changes, so cache it
- if (previousType !== type) {
- typeSize = getNativeTypeSize(type);
- previousType = type;
- }
- i += typeSize;
- }
-
- return ret;
-}
-
-// Allocate memory during any stage of startup - static memory early on, dynamic memory later, malloc when ready
-function getMemory(size) {
- if (!staticSealed) return staticAlloc(size);
- if (!runtimeInitialized) return dynamicAlloc(size);
- return _malloc(size);
-}
-
-/** @type {function(number, number=)} */
-function Pointer_stringify(ptr, length) {
- if (length === 0 || !ptr) return '';
- // Find the length, and check for UTF while doing so
- var hasUtf = 0;
- var t;
- var i = 0;
- while (1) {
- t = HEAPU8[(((ptr)+(i))>>0)];
- hasUtf |= t;
- if (t == 0 && !length) break;
- i++;
- if (length && i == length) break;
- }
- if (!length) length = i;
-
- var ret = '';
-
- if (hasUtf < 128) {
- var MAX_CHUNK = 1024; // split up into chunks, because .apply on a huge string can overflow the stack
- var curr;
- while (length > 0) {
- curr = String.fromCharCode.apply(String, HEAPU8.subarray(ptr, ptr + Math.min(length, MAX_CHUNK)));
- ret = ret ? ret + curr : curr;
- ptr += MAX_CHUNK;
- length -= MAX_CHUNK;
- }
- return ret;
- }
- return UTF8ToString(ptr);
-}
-
-// Given a pointer 'ptr' to a null-terminated ASCII-encoded string in the emscripten HEAP, returns
-// a copy of that string as a Javascript String object.
-
-function AsciiToString(ptr) {
- var str = '';
- while (1) {
- var ch = HEAP8[((ptr++)>>0)];
- if (!ch) return str;
- str += String.fromCharCode(ch);
- }
-}
-
-// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
-// null-terminated and encoded in ASCII form. The copy will require at most str.length+1 bytes of space in the HEAP.
-
-function stringToAscii(str, outPtr) {
- return writeAsciiToMemory(str, outPtr, false);
-}
-
-// Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the given array that contains uint8 values, returns
-// a copy of that string as a Javascript String object.
-
-var UTF8Decoder = typeof TextDecoder !== 'undefined' ? new TextDecoder('utf8') : undefined;
-function UTF8ArrayToString(u8Array, idx) {
- var endPtr = idx;
- // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself.
- // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage.
- while (u8Array[endPtr]) ++endPtr;
-
- if (endPtr - idx > 16 && u8Array.subarray && UTF8Decoder) {
- return UTF8Decoder.decode(u8Array.subarray(idx, endPtr));
- } else {
- var u0, u1, u2, u3, u4, u5;
-
- var str = '';
- while (1) {
- // For UTF8 byte structure, see:
- // http://en.wikipedia.org/wiki/UTF-8#Description
- // https://www.ietf.org/rfc/rfc2279.txt
- // https://tools.ietf.org/html/rfc3629
- u0 = u8Array[idx++];
- if (!u0) return str;
- if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; }
- u1 = u8Array[idx++] & 63;
- if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; }
- u2 = u8Array[idx++] & 63;
- if ((u0 & 0xF0) == 0xE0) {
- u0 = ((u0 & 15) << 12) | (u1 << 6) | u2;
- } else {
- u3 = u8Array[idx++] & 63;
- if ((u0 & 0xF8) == 0xF0) {
- u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | u3;
- } else {
- u4 = u8Array[idx++] & 63;
- if ((u0 & 0xFC) == 0xF8) {
- u0 = ((u0 & 3) << 24) | (u1 << 18) | (u2 << 12) | (u3 << 6) | u4;
- } else {
- u5 = u8Array[idx++] & 63;
- u0 = ((u0 & 1) << 30) | (u1 << 24) | (u2 << 18) | (u3 << 12) | (u4 << 6) | u5;
- }
- }
- }
- if (u0 < 0x10000) {
- str += String.fromCharCode(u0);
- } else {
- var ch = u0 - 0x10000;
- str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
- }
- }
- }
-}
-
-// Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the emscripten HEAP, returns
-// a copy of that string as a Javascript String object.
-
-function UTF8ToString(ptr) {
- return UTF8ArrayToString(HEAPU8,ptr);
-}
-
-// Copies the given Javascript String object 'str' to the given byte array at address 'outIdx',
-// encoded in UTF8 form and null-terminated. The copy will require at most str.length*4+1 bytes of space in the HEAP.
-// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write.
-// Parameters:
-// str: the Javascript string to copy.
-// outU8Array: the array to copy to. Each index in this array is assumed to be one 8-byte element.
-// outIdx: The starting offset in the array to begin the copying.
-// maxBytesToWrite: The maximum number of bytes this function can write to the array.
-// This count should include the null terminator,
-// i.e. if maxBytesToWrite=1, only the null terminator will be written and nothing else.
-// maxBytesToWrite=0 does not write any bytes to the output, not even the null terminator.
-// Returns the number of bytes written, EXCLUDING the null terminator.
-
-function stringToUTF8Array(str, outU8Array, outIdx, maxBytesToWrite) {
- if (!(maxBytesToWrite > 0)) // Parameter maxBytesToWrite is not optional. Negative values, 0, null, undefined and false each don't write out any bytes.
- return 0;
-
- var startIdx = outIdx;
- var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator.
- for (var i = 0; i < str.length; ++i) {
- // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8.
- // See http://unicode.org/faq/utf_bom.html#utf16-3
- // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description and https://www.ietf.org/rfc/rfc2279.txt and https://tools.ietf.org/html/rfc3629
- var u = str.charCodeAt(i); // possibly a lead surrogate
- if (u >= 0xD800 && u <= 0xDFFF) {
- var u1 = str.charCodeAt(++i);
- u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF);
- }
- if (u <= 0x7F) {
- if (outIdx >= endIdx) break;
- outU8Array[outIdx++] = u;
- } else if (u <= 0x7FF) {
- if (outIdx + 1 >= endIdx) break;
- outU8Array[outIdx++] = 0xC0 | (u >> 6);
- outU8Array[outIdx++] = 0x80 | (u & 63);
- } else if (u <= 0xFFFF) {
- if (outIdx + 2 >= endIdx) break;
- outU8Array[outIdx++] = 0xE0 | (u >> 12);
- outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63);
- outU8Array[outIdx++] = 0x80 | (u & 63);
- } else if (u <= 0x1FFFFF) {
- if (outIdx + 3 >= endIdx) break;
- outU8Array[outIdx++] = 0xF0 | (u >> 18);
- outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63);
- outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63);
- outU8Array[outIdx++] = 0x80 | (u & 63);
- } else if (u <= 0x3FFFFFF) {
- if (outIdx + 4 >= endIdx) break;
- outU8Array[outIdx++] = 0xF8 | (u >> 24);
- outU8Array[outIdx++] = 0x80 | ((u >> 18) & 63);
- outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63);
- outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63);
- outU8Array[outIdx++] = 0x80 | (u & 63);
- } else {
- if (outIdx + 5 >= endIdx) break;
- outU8Array[outIdx++] = 0xFC | (u >> 30);
- outU8Array[outIdx++] = 0x80 | ((u >> 24) & 63);
- outU8Array[outIdx++] = 0x80 | ((u >> 18) & 63);
- outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63);
- outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63);
- outU8Array[outIdx++] = 0x80 | (u & 63);
- }
- }
- // Null-terminate the pointer to the buffer.
- outU8Array[outIdx] = 0;
- return outIdx - startIdx;
-}
-
-// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
-// null-terminated and encoded in UTF8 form. The copy will require at most str.length*4+1 bytes of space in the HEAP.
-// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write.
-// Returns the number of bytes written, EXCLUDING the null terminator.
-
-function stringToUTF8(str, outPtr, maxBytesToWrite) {
- return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite);
-}
-
-// Returns the number of bytes the given Javascript string takes if encoded as a UTF8 byte array, EXCLUDING the null terminator byte.
-
-function lengthBytesUTF8(str) {
- var len = 0;
- for (var i = 0; i < str.length; ++i) {
- // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8.
- // See http://unicode.org/faq/utf_bom.html#utf16-3
- var u = str.charCodeAt(i); // possibly a lead surrogate
- if (u >= 0xD800 && u <= 0xDFFF) u = 0x10000 + ((u & 0x3FF) << 10) | (str.charCodeAt(++i) & 0x3FF);
- if (u <= 0x7F) {
- ++len;
- } else if (u <= 0x7FF) {
- len += 2;
- } else if (u <= 0xFFFF) {
- len += 3;
- } else if (u <= 0x1FFFFF) {
- len += 4;
- } else if (u <= 0x3FFFFFF) {
- len += 5;
- } else {
- len += 6;
- }
- }
- return len;
-}
-
-// Given a pointer 'ptr' to a null-terminated UTF16LE-encoded string in the emscripten HEAP, returns
-// a copy of that string as a Javascript String object.
-
-var UTF16Decoder = typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-16le') : undefined;
-function UTF16ToString(ptr) {
- var endPtr = ptr;
- // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself.
- // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage.
- var idx = endPtr >> 1;
- while (HEAP16[idx]) ++idx;
- endPtr = idx << 1;
-
- if (endPtr - ptr > 32 && UTF16Decoder) {
- return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr));
- } else {
- var i = 0;
-
- var str = '';
- while (1) {
- var codeUnit = HEAP16[(((ptr)+(i*2))>>1)];
- if (codeUnit == 0) return str;
- ++i;
- // fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through.
- str += String.fromCharCode(codeUnit);
- }
- }
-}
-
-// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
-// null-terminated and encoded in UTF16 form. The copy will require at most str.length*4+2 bytes of space in the HEAP.
-// Use the function lengthBytesUTF16() to compute the exact number of bytes (excluding null terminator) that this function will write.
-// Parameters:
-// str: the Javascript string to copy.
-// outPtr: Byte address in Emscripten HEAP where to write the string to.
-// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null
-// terminator, i.e. if maxBytesToWrite=2, only the null terminator will be written and nothing else.
-// maxBytesToWrite<2 does not write any bytes to the output, not even the null terminator.
-// Returns the number of bytes written, EXCLUDING the null terminator.
-
-function stringToUTF16(str, outPtr, maxBytesToWrite) {
- // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
- if (maxBytesToWrite === undefined) {
- maxBytesToWrite = 0x7FFFFFFF;
- }
- if (maxBytesToWrite < 2) return 0;
- maxBytesToWrite -= 2; // Null terminator.
- var startPtr = outPtr;
- var numCharsToWrite = (maxBytesToWrite < str.length*2) ? (maxBytesToWrite / 2) : str.length;
- for (var i = 0; i < numCharsToWrite; ++i) {
- // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
- var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
- HEAP16[((outPtr)>>1)]=codeUnit;
- outPtr += 2;
- }
- // Null-terminate the pointer to the HEAP.
- HEAP16[((outPtr)>>1)]=0;
- return outPtr - startPtr;
-}
-
-// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte.
-
-function lengthBytesUTF16(str) {
- return str.length*2;
-}
-
-function UTF32ToString(ptr) {
- var i = 0;
-
- var str = '';
- while (1) {
- var utf32 = HEAP32[(((ptr)+(i*4))>>2)];
- if (utf32 == 0)
- return str;
- ++i;
- // Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing.
- // See http://unicode.org/faq/utf_bom.html#utf16-3
- if (utf32 >= 0x10000) {
- var ch = utf32 - 0x10000;
- str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
- } else {
- str += String.fromCharCode(utf32);
- }
- }
-}
-
-// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
-// null-terminated and encoded in UTF32 form. The copy will require at most str.length*4+4 bytes of space in the HEAP.
-// Use the function lengthBytesUTF32() to compute the exact number of bytes (excluding null terminator) that this function will write.
-// Parameters:
-// str: the Javascript string to copy.
-// outPtr: Byte address in Emscripten HEAP where to write the string to.
-// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null
-// terminator, i.e. if maxBytesToWrite=4, only the null terminator will be written and nothing else.
-// maxBytesToWrite<4 does not write any bytes to the output, not even the null terminator.
-// Returns the number of bytes written, EXCLUDING the null terminator.
-
-function stringToUTF32(str, outPtr, maxBytesToWrite) {
- // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
- if (maxBytesToWrite === undefined) {
- maxBytesToWrite = 0x7FFFFFFF;
- }
- if (maxBytesToWrite < 4) return 0;
- var startPtr = outPtr;
- var endPtr = startPtr + maxBytesToWrite - 4;
- for (var i = 0; i < str.length; ++i) {
- // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
- // See http://unicode.org/faq/utf_bom.html#utf16-3
- var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
- if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) {
- var trailSurrogate = str.charCodeAt(++i);
- codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF);
- }
- HEAP32[((outPtr)>>2)]=codeUnit;
- outPtr += 4;
- if (outPtr + 4 > endPtr) break;
- }
- // Null-terminate the pointer to the HEAP.
- HEAP32[((outPtr)>>2)]=0;
- return outPtr - startPtr;
-}
-
-// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte.
-
-function lengthBytesUTF32(str) {
- var len = 0;
- for (var i = 0; i < str.length; ++i) {
- // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
- // See http://unicode.org/faq/utf_bom.html#utf16-3
- var codeUnit = str.charCodeAt(i);
- if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) ++i; // possibly a lead surrogate, so skip over the tail surrogate.
- len += 4;
- }
-
- return len;
-}
-
-// Allocate heap space for a JS string, and write it there.
-// It is the responsibility of the caller to free() that memory.
-function allocateUTF8(str) {
- var size = lengthBytesUTF8(str) + 1;
- var ret = _malloc(size);
- if (ret) stringToUTF8Array(str, HEAP8, ret, size);
- return ret;
-}
-
-// Allocate stack space for a JS string, and write it there.
-function allocateUTF8OnStack(str) {
- var size = lengthBytesUTF8(str) + 1;
- var ret = stackAlloc(size);
- stringToUTF8Array(str, HEAP8, ret, size);
- return ret;
-}
-
-function demangle(func) {
- return func;
-}
-
-function demangleAll(text) {
- var regex =
- /__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) {
- // IE10+ special cases: It does have callstack info, but it is only populated if an Error object is thrown,
- // so try that as a special-case.
- try {
- throw new Error(0);
- } 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);
-}
-
-// Memory management
-
-var PAGE_SIZE = 16384;
-var WASM_PAGE_SIZE = 65536;
-var ASMJS_PAGE_SIZE = 16777216;
-var MIN_TOTAL_MEMORY = 16777216;
-
-function alignUp(x, multiple) {
- if (x % multiple > 0) {
- x += multiple - (x % multiple);
- }
- return x;
-}
-
-var HEAP,
-/** @type {ArrayBuffer} */
- buffer,
-/** @type {Int8Array} */
- HEAP8,
-/** @type {Uint8Array} */
- HEAPU8,
-/** @type {Int16Array} */
- HEAP16,
-/** @type {Uint16Array} */
- HEAPU16,
-/** @type {Int32Array} */
- HEAP32,
-/** @type {Uint32Array} */
- HEAPU32,
-/** @type {Float32Array} */
- HEAPF32,
-/** @type {Float64Array} */
- HEAPF64;
-
-function updateGlobalBuffer(buf) {
- Module['buffer'] = buffer = buf;
-}
-
-function updateGlobalBufferViews() {
- Module['HEAP8'] = HEAP8 = new Int8Array(buffer);
- Module['HEAP16'] = HEAP16 = new Int16Array(buffer);
- Module['HEAP32'] = HEAP32 = new Int32Array(buffer);
- Module['HEAPU8'] = HEAPU8 = new Uint8Array(buffer);
- Module['HEAPU16'] = HEAPU16 = new Uint16Array(buffer);
- Module['HEAPU32'] = HEAPU32 = new Uint32Array(buffer);
- Module['HEAPF32'] = HEAPF32 = new Float32Array(buffer);
- Module['HEAPF64'] = HEAPF64 = new Float64Array(buffer);
-}
-
-var STATIC_BASE, STATICTOP, staticSealed; // static area
-var STACK_BASE, STACKTOP, STACK_MAX; // stack area
-var DYNAMIC_BASE, DYNAMICTOP_PTR; // dynamic area handled by sbrk
-
- STATIC_BASE = STATICTOP = STACK_BASE = STACKTOP = STACK_MAX = DYNAMIC_BASE = DYNAMICTOP_PTR = 0;
- staticSealed = false;
-
-
-
-
-function abortOnCannotGrowMemory() {
- abort('Cannot enlarge memory arrays. Either (1) compile with -s TOTAL_MEMORY=X with X higher than the current value ' + TOTAL_MEMORY + ', (2) compile with -s ALLOW_MEMORY_GROWTH=1 which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with -s ABORTING_MALLOC=0 ');
-}
-
-
-function enlargeMemory() {
- abortOnCannotGrowMemory();
-}
-
-
-var TOTAL_STACK = Module['TOTAL_STACK'] || 5242880;
-var TOTAL_MEMORY = Module['TOTAL_MEMORY'] || 16777216;
-if (TOTAL_MEMORY < TOTAL_STACK) err('TOTAL_MEMORY should be larger than TOTAL_STACK, was ' + TOTAL_MEMORY + '! (TOTAL_STACK=' + TOTAL_STACK + ')');
-
-// Initialize the runtime's memory
-
-
-
-// Use a provided buffer, if there is one, or else allocate a new one
-if (Module['buffer']) {
- buffer = Module['buffer'];
-} else {
- // Use a WebAssembly memory where available
- if (typeof WebAssembly === 'object' && typeof WebAssembly.Memory === 'function') {
- Module['wasmMemory'] = new WebAssembly.Memory({ 'initial': TOTAL_MEMORY / WASM_PAGE_SIZE, 'maximum': TOTAL_MEMORY / WASM_PAGE_SIZE });
- buffer = Module['wasmMemory'].buffer;
- } else
- {
- buffer = new ArrayBuffer(TOTAL_MEMORY);
- }
- Module['buffer'] = buffer;
-}
-updateGlobalBufferViews();
-
-
-function getTotalMemory() {
- return TOTAL_MEMORY;
-}
-
-// Endianness check (note: assumes compiler arch was little-endian)
-
-function callRuntimeCallbacks(callbacks) {
- while(callbacks.length > 0) {
- var callback = callbacks.shift();
- if (typeof callback == 'function') {
- callback();
- 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__ = []; // functions called before the runtime is initialized
-var __ATINIT__ = []; // functions called during startup
-var __ATMAIN__ = []; // functions called when main() is to be run
-var __ATEXIT__ = []; // functions called during shutdown
-var __ATPOSTRUN__ = []; // functions called after the main() is called
-
-var runtimeInitialized = false;
-var runtimeExited = false;
-
-
-function preRun() {
- // compatibility - merge in anything from Module['preRun'] at this time
- if (Module['preRun']) {
- if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']];
- while (Module['preRun'].length) {
- addOnPreRun(Module['preRun'].shift());
- }
- }
- callRuntimeCallbacks(__ATPRERUN__);
-}
-
-function ensureInitRuntime() {
- if (runtimeInitialized) return;
- runtimeInitialized = true;
- callRuntimeCallbacks(__ATINIT__);
-}
-
-function preMain() {
- callRuntimeCallbacks(__ATMAIN__);
-}
-
-function exitRuntime() {
- callRuntimeCallbacks(__ATEXIT__);
- runtimeExited = true;
-}
-
-function postRun() {
- // compatibility - merge in anything from Module['postRun'] at this time
- 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 addOnInit(cb) {
- __ATINIT__.unshift(cb);
-}
-
-function addOnPreMain(cb) {
- __ATMAIN__.unshift(cb);
-}
-
-function addOnExit(cb) {
- __ATEXIT__.unshift(cb);
-}
-
-function addOnPostRun(cb) {
- __ATPOSTRUN__.unshift(cb);
-}
-
-// Deprecated: This function should not be called because it is unsafe and does not provide
-// a maximum length limit of how many bytes it is allowed to write. Prefer calling the
-// function stringToUTF8Array() instead, which takes in a maximum length that can be used
-// to be secure from out of bounds writes.
-/** @deprecated */
-function writeStringToMemory(string, buffer, dontAddNull) {
- warnOnce('writeStringToMemory is deprecated and should not be called! Use stringToUTF8() instead!');
-
- var /** @type {number} */ lastChar, /** @type {number} */ end;
- if (dontAddNull) {
- // stringToUTF8Array always appends null. If we don't want to do that, remember the
- // character that existed at the location where the null will be placed, and restore
- // that after the write (below).
- end = buffer + lengthBytesUTF8(string);
- lastChar = HEAP8[end];
- }
- stringToUTF8(string, buffer, Infinity);
- if (dontAddNull) HEAP8[end] = lastChar; // Restore the value under the null character.
-}
-
-function writeArrayToMemory(array, buffer) {
- HEAP8.set(array, buffer);
-}
-
-function writeAsciiToMemory(str, buffer, dontAddNull) {
- for (var i = 0; i < str.length; ++i) {
- HEAP8[((buffer++)>>0)]=str.charCodeAt(i);
- }
- // Null-terminate the pointer to the HEAP.
- if (!dontAddNull) HEAP8[((buffer)>>0)]=0;
-}
-
-function unSign(value, bits, ignore) {
- if (value >= 0) {
- return value;
- }
- return bits <= 32 ? 2*Math.abs(1 << (bits-1)) + value // Need some trickery, since if bits == 32, we are right at the limit of the bits JS uses in bitshifts
- : Math.pow(2, bits) + value;
-}
-function reSign(value, bits, ignore) {
- if (value <= 0) {
- return value;
- }
- var half = bits <= 32 ? Math.abs(1 << (bits-1)) // abs is needed if bits == 32
- : Math.pow(2, bits-1);
- if (value >= half && (bits <= 32 || value > half)) { // for huge values, we can hit the precision limit and always get true here. so don't do that
- // but, in general there is no perfect solution here. With 64-bit ints, we get rounding and errors
- // TODO: In i64 mode 1, resign the two parts separately and safely
- value = -2*half + value; // Cannot bitshift half, as it may be at the limit of the bits JS uses in bitshifts
- }
- return value;
-}
-
-
-var Math_abs = Math.abs;
-var Math_cos = Math.cos;
-var Math_sin = Math.sin;
-var Math_tan = Math.tan;
-var Math_acos = Math.acos;
-var Math_asin = Math.asin;
-var Math_atan = Math.atan;
-var Math_atan2 = Math.atan2;
-var Math_exp = Math.exp;
-var Math_log = Math.log;
-var Math_sqrt = Math.sqrt;
-var Math_ceil = Math.ceil;
-var Math_floor = Math.floor;
-var Math_pow = Math.pow;
-var Math_imul = Math.imul;
-var Math_fround = Math.fround;
-var Math_round = Math.round;
-var Math_min = Math.min;
-var Math_max = Math.max;
-var Math_clz32 = Math.clz32;
-var Math_trunc = Math.trunc;
-
-// A counter of dependencies for calling run(). If we need to
-// do asynchronous work before running, increment this and
-// decrement it. Incrementing must happen in a place like
-// Module.preRun (used by emcc to add file preloading).
-// Note that you can add dependencies in preRun, even though
-// it happens right before run - run will be postponed until
-// the dependencies are met.
-var runDependencies = 0;
-var runDependencyWatcher = null;
-var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled
-
-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(); // can add another dependenciesFulfilled
- }
- }
-}
-
-Module["preloadedImages"] = {}; // maps url to image data
-Module["preloadedAudios"] = {}; // maps url to audio data
-
-
-
-var memoryInitializer = null;
-
-
-
-
-
-
-// Copyright 2017 The Emscripten Authors. All rights reserved.
-// Emscripten is available under two separate licenses, the MIT license and the
-// University of Illinois/NCSA Open Source License. Both these licenses can be
-// found in the LICENSE file.
-
-// Prefix of data URIs emitted by SINGLE_FILE and related options.
-var dataURIPrefix = 'data:application/octet-stream;base64,';
-
-// Indicates whether filename is a base64 data URI.
-function isDataURI(filename) {
- return String.prototype.startsWith ?
- filename.startsWith(dataURIPrefix) :
- filename.indexOf(dataURIPrefix) === 0;
-}
-
-
-
-
-function integrateWasmJS() {
- // wasm.js has several methods for creating the compiled code module here:
- // * 'native-wasm' : use native WebAssembly support in the browser
- // * 'interpret-s-expr': load s-expression code from a .wast and interpret
- // * 'interpret-binary': load binary wasm and interpret
- // * 'interpret-asm2wasm': load asm.js code, translate to wasm, and interpret
- // * 'asmjs': no wasm, just load the asm.js code and use that (good for testing)
- // The method is set at compile time (BINARYEN_METHOD)
- // The method can be a comma-separated list, in which case, we will try the
- // options one by one. Some of them can fail gracefully, and then we can try
- // the next.
-
- // inputs
-
- var method = 'native-wasm';
-
- var wasmTextFile = 'pmom.wast';
- var wasmBinaryFile = 'pmom.wasm';
- var asmjsCodeFile = 'pmom.temp.asm.js';
-
- if (!isDataURI(wasmTextFile)) {
- wasmTextFile = locateFile(wasmTextFile);
- }
- if (!isDataURI(wasmBinaryFile)) {
- wasmBinaryFile = locateFile(wasmBinaryFile);
- }
- if (!isDataURI(asmjsCodeFile)) {
- asmjsCodeFile = locateFile(asmjsCodeFile);
- }
-
- // utilities
-
- var wasmPageSize = 64*1024;
-
- var info = {
- 'global': null,
- 'env': null,
- 'asm2wasm': asm2wasmImports,
- 'parent': Module // Module inside wasm-js.cpp refers to wasm-js.cpp; this allows access to the outside program.
- };
-
- var exports = null;
-
-
- function mergeMemory(newBuffer) {
- // The wasm instance creates its memory. But static init code might have written to
- // buffer already, including the mem init file, and we must copy it over in a proper merge.
- // TODO: avoid this copy, by avoiding such static init writes
- // TODO: in shorter term, just copy up to the last static init write
- var oldBuffer = Module['buffer'];
- if (newBuffer.byteLength < oldBuffer.byteLength) {
- err('the new buffer in mergeMemory is smaller than the previous one. in native wasm, we should grow memory here');
- }
- var oldView = new Int8Array(oldBuffer);
- var newView = new Int8Array(newBuffer);
-
-
- newView.set(oldView);
- updateGlobalBuffer(newBuffer);
- updateGlobalBufferViews();
- }
-
- function getBinary() {
- try {
- if (Module['wasmBinary']) {
- return new Uint8Array(Module['wasmBinary']);
- }
- if (Module['readBinary']) {
- return Module['readBinary'](wasmBinaryFile);
- } else {
- throw "both async and sync fetching of the wasm failed";
- }
- }
- catch (err) {
- abort(err);
- }
- }
-
- function getBinaryPromise() {
- // if we don't have the binary yet, and have the Fetch api, use that
- // in some environments, like Electron's render process, Fetch api may be present, but have a different context than expected, let's only use it on the Web
- if (!Module['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();
- });
- }
- // Otherwise, getBinary should be able to get it synchronously
- return new Promise(function(resolve, reject) {
- resolve(getBinary());
- });
- }
-
- // do-method functions
-
-
- function doNativeWasm(global, env, providedBuffer) {
- if (typeof WebAssembly !== 'object') {
- err('no native wasm support detected');
- return false;
- }
- // prepare memory import
- if (!(Module['wasmMemory'] instanceof WebAssembly.Memory)) {
- err('no native wasm Memory in use');
- return false;
- }
- env['memory'] = Module['wasmMemory'];
- // Load the wasm module and create an instance of using native support in the JS engine.
- info['global'] = {
- 'NaN': NaN,
- 'Infinity': Infinity
- };
- info['global.Math'] = Math;
- info['env'] = env;
- // handle a generated wasm instance, receiving its exports and
- // performing other necessary setup
- function receiveInstance(instance, module) {
- exports = instance.exports;
- if (exports.memory) mergeMemory(exports.memory);
- Module['asm'] = exports;
- Module["usingWasm"] = true;
- removeRunDependency('wasm-instantiate');
- }
- addRunDependency('wasm-instantiate');
-
- // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback
- // to manually instantiate the Wasm module themselves. This allows pages to run the instantiation parallel
- // to any other async startup actions they are performing.
- if (Module['instantiateWasm']) {
- try {
- return Module['instantiateWasm'](info, receiveInstance);
- } catch(e) {
- err('Module.instantiateWasm callback failed with error: ' + e);
- return false;
- }
- }
-
- function receiveInstantiatedSource(output) {
- // 'output' is a WebAssemblyInstantiatedSource object which has both the module and instance.
- // receiveInstance() will swap in the exports (to Module.asm) so they can be called
- receiveInstance(output['instance'], output['module']);
- }
- function instantiateArrayBuffer(receiver) {
- getBinaryPromise().then(function(binary) {
- return WebAssembly.instantiate(binary, info);
- }).then(receiver, function(reason) {
- err('failed to asynchronously prepare wasm: ' + reason);
- abort(reason);
- });
- }
- // Prefer streaming instantiation if available.
- if (!Module['wasmBinary'] &&
- typeof WebAssembly.instantiateStreaming === 'function' &&
- !isDataURI(wasmBinaryFile) &&
- typeof fetch === 'function') {
- WebAssembly.instantiateStreaming(fetch(wasmBinaryFile, { credentials: 'same-origin' }), info)
- .then(receiveInstantiatedSource, function(reason) {
- // We expect the most common failure cause to be a bad MIME type for the binary,
- // in which case falling back to ArrayBuffer instantiation should work.
- err('wasm streaming compile failed: ' + reason);
- err('falling back to ArrayBuffer instantiation');
- instantiateArrayBuffer(receiveInstantiatedSource);
- });
- } else {
- instantiateArrayBuffer(receiveInstantiatedSource);
- }
- return {}; // no exports yet; we'll fill them in later
- }
-
-
- // We may have a preloaded value in Module.asm, save it
- Module['asmPreload'] = Module['asm'];
-
- // Memory growth integration code
-
- var asmjsReallocBuffer = Module['reallocBuffer'];
-
- var wasmReallocBuffer = function(size) {
- var PAGE_MULTIPLE = Module["usingWasm"] ? WASM_PAGE_SIZE : ASMJS_PAGE_SIZE; // In wasm, heap size must be a multiple of 64KB. In asm.js, they need to be multiples of 16MB.
- size = alignUp(size, PAGE_MULTIPLE); // round up to wasm page size
- var old = Module['buffer'];
- var oldSize = old.byteLength;
- if (Module["usingWasm"]) {
- // native wasm support
- try {
- var result = Module['wasmMemory'].grow((size - oldSize) / wasmPageSize); // .grow() takes a delta compared to the previous size
- if (result !== (-1 | 0)) {
- // success in native wasm memory growth, get the buffer from the memory
- return Module['buffer'] = Module['wasmMemory'].buffer;
- } else {
- return null;
- }
- } catch(e) {
- return null;
- }
- }
- };
-
- Module['reallocBuffer'] = function(size) {
- if (finalMethod === 'asmjs') {
- return asmjsReallocBuffer(size);
- } else {
- return wasmReallocBuffer(size);
- }
- };
-
- // we may try more than one; this is the final one, that worked and we are using
- var finalMethod = '';
-
- // Provide an "asm.js function" for the application, called to "link" the asm.js module. We instantiate
- // the wasm module at that time, and it receives imports and provides exports and so forth, the app
- // doesn't need to care that it is wasm or polyfilled wasm or asm.js.
-
- Module['asm'] = function(global, env, providedBuffer) {
- // import table
- if (!env['table']) {
- var TABLE_SIZE = Module['wasmTableSize'];
- if (TABLE_SIZE === undefined) TABLE_SIZE = 1024; // works in binaryen interpreter at least
- var MAX_TABLE_SIZE = Module['wasmMaxTableSize'];
- if (typeof WebAssembly === 'object' && typeof WebAssembly.Table === 'function') {
- if (MAX_TABLE_SIZE !== undefined) {
- env['table'] = new WebAssembly.Table({ 'initial': TABLE_SIZE, 'maximum': MAX_TABLE_SIZE, 'element': 'anyfunc' });
- } else {
- env['table'] = new WebAssembly.Table({ 'initial': TABLE_SIZE, element: 'anyfunc' });
- }
- } else {
- env['table'] = new Array(TABLE_SIZE); // works in binaryen interpreter at least
- }
- Module['wasmTable'] = env['table'];
- }
-
- if (!env['__memory_base']) {
- env['__memory_base'] = Module['STATIC_BASE']; // tell the memory segments where to place themselves
- }
- if (!env['__table_base']) {
- env['__table_base'] = 0; // table starts at 0 by default, in dynamic linking this will change
- }
-
- // try the methods. each should return the exports if it succeeded
-
- var exports;
- exports = doNativeWasm(global, env, providedBuffer);
-
- assert(exports, 'no binaryen method succeeded.');
-
-
- return exports;
- };
-
- var methodHandler = Module['asm']; // note our method handler, as we may modify Module['asm'] later
-}
-
-integrateWasmJS();
-
-// === Body ===
-
-var ASM_CONSTS = [];
-
-
-
-
-
-STATIC_BASE = GLOBAL_BASE;
-
-STATICTOP = STATIC_BASE + 253296;
-/* global initializers */ __ATINIT__.push({ func: function() { ___emscripten_environ_constructor() } });
-
-
-
-
-
-
-
-var STATIC_BUMP = 253296;
-Module["STATIC_BASE"] = STATIC_BASE;
-Module["STATIC_BUMP"] = STATIC_BUMP;
-
-/* no memory initializer */
-var tempDoublePtr = STATICTOP; STATICTOP += 16;
-
-function copyTempFloat(ptr) { // functions, because inlining this code increases code size too much
- HEAP8[tempDoublePtr] = HEAP8[ptr];
- HEAP8[tempDoublePtr+1] = HEAP8[ptr+1];
- HEAP8[tempDoublePtr+2] = HEAP8[ptr+2];
- HEAP8[tempDoublePtr+3] = HEAP8[ptr+3];
-}
-
-function copyTempDouble(ptr) {
- HEAP8[tempDoublePtr] = HEAP8[ptr];
- HEAP8[tempDoublePtr+1] = HEAP8[ptr+1];
- HEAP8[tempDoublePtr+2] = HEAP8[ptr+2];
- HEAP8[tempDoublePtr+3] = HEAP8[ptr+3];
- HEAP8[tempDoublePtr+4] = HEAP8[ptr+4];
- HEAP8[tempDoublePtr+5] = HEAP8[ptr+5];
- HEAP8[tempDoublePtr+6] = HEAP8[ptr+6];
- HEAP8[tempDoublePtr+7] = HEAP8[ptr+7];
-}
-
-// {{PRE_LIBRARY}}
-
-
-
- var ENV={};function ___buildEnvironment(environ) {
- // WARNING: Arbitrary limit!
- var MAX_ENV_VALUES = 64;
- var TOTAL_ENV_SIZE = 1024;
-
- // Statically allocate memory for the environment.
- var poolPtr;
- var envPtr;
- if (!___buildEnvironment.called) {
- ___buildEnvironment.called = true;
- // Set default values. Use string keys for Closure Compiler compatibility.
- ENV['USER'] = ENV['LOGNAME'] = 'web_user';
- ENV['PATH'] = '/';
- ENV['PWD'] = '/';
- ENV['HOME'] = '/home/web_user';
- ENV['LANG'] = 'C.UTF-8';
- ENV['_'] = Module['thisProgram'];
- // Allocate memory.
- poolPtr = getMemory(TOTAL_ENV_SIZE);
- envPtr = getMemory(MAX_ENV_VALUES * 4);
- HEAP32[((envPtr)>>2)]=poolPtr;
- HEAP32[((environ)>>2)]=envPtr;
- } else {
- envPtr = HEAP32[((environ)>>2)];
- poolPtr = HEAP32[((envPtr)>>2)];
- }
-
- // Collect key=value lines.
- var strings = [];
- var totalSize = 0;
- for (var key in ENV) {
- if (typeof ENV[key] === 'string') {
- var line = key + '=' + ENV[key];
- strings.push(line);
- totalSize += line.length;
- }
- }
- if (totalSize > TOTAL_ENV_SIZE) {
- throw new Error('Environment size exceeded TOTAL_ENV_SIZE!');
- }
-
- // Make new.
- var ptrSize = 4;
- for (var i = 0; i < strings.length; i++) {
- var line = strings[i];
- writeAsciiToMemory(line, poolPtr);
- HEAP32[(((envPtr)+(i * ptrSize))>>2)]=poolPtr;
- poolPtr += line.length + 1;
- }
- HEAP32[(((envPtr)+(strings.length * ptrSize))>>2)]=0;
- }
-
- function ___lock() {}
-
-
-
-
- var ERRNO_CODES={EPERM:1,ENOENT:2,ESRCH:3,EINTR:4,EIO:5,ENXIO:6,E2BIG:7,ENOEXEC:8,EBADF:9,ECHILD:10,EAGAIN:11,EWOULDBLOCK:11,ENOMEM:12,EACCES:13,EFAULT:14,ENOTBLK:15,EBUSY:16,EEXIST:17,EXDEV:18,ENODEV:19,ENOTDIR:20,EISDIR:21,EINVAL:22,ENFILE:23,EMFILE:24,ENOTTY:25,ETXTBSY:26,EFBIG:27,ENOSPC:28,ESPIPE:29,EROFS:30,EMLINK:31,EPIPE:32,EDOM:33,ERANGE:34,ENOMSG:42,EIDRM:43,ECHRNG:44,EL2NSYNC:45,EL3HLT:46,EL3RST:47,ELNRNG:48,EUNATCH:49,ENOCSI:50,EL2HLT:51,EDEADLK:35,ENOLCK:37,EBADE:52,EBADR:53,EXFULL:54,ENOANO:55,EBADRQC:56,EBADSLT:57,EDEADLOCK:35,EBFONT:59,ENOSTR:60,ENODATA:61,ETIME:62,ENOSR:63,ENONET:64,ENOPKG:65,EREMOTE:66,ENOLINK:67,EADV:68,ESRMNT:69,ECOMM:70,EPROTO:71,EMULTIHOP:72,EDOTDOT:73,EBADMSG:74,ENOTUNIQ:76,EBADFD:77,EREMCHG:78,ELIBACC:79,ELIBBAD:80,ELIBSCN:81,ELIBMAX:82,ELIBEXEC:83,ENOSYS:38,ENOTEMPTY:39,ENAMETOOLONG:36,ELOOP:40,EOPNOTSUPP:95,EPFNOSUPPORT:96,ECONNRESET:104,ENOBUFS:105,EAFNOSUPPORT:97,EPROTOTYPE:91,ENOTSOCK:88,ENOPROTOOPT:92,ESHUTDOWN:108,ECONNREFUSED:111,EADDRINUSE:98,ECONNABORTED:103,ENETUNREACH:101,ENETDOWN:100,ETIMEDOUT:110,EHOSTDOWN:112,EHOSTUNREACH:113,EINPROGRESS:115,EALREADY:114,EDESTADDRREQ:89,EMSGSIZE:90,EPROTONOSUPPORT:93,ESOCKTNOSUPPORT:94,EADDRNOTAVAIL:99,ENETRESET:102,EISCONN:106,ENOTCONN:107,ETOOMANYREFS:109,EUSERS:87,EDQUOT:122,ESTALE:116,ENOTSUP:95,ENOMEDIUM:123,EILSEQ:84,EOVERFLOW:75,ECANCELED:125,ENOTRECOVERABLE:131,EOWNERDEAD:130,ESTRPIPE:86};
-
- var ERRNO_MESSAGES={0:"Success",1:"Not super-user",2:"No such file or directory",3:"No such process",4:"Interrupted system call",5:"I/O error",6:"No such device or address",7:"Arg list too long",8:"Exec format error",9:"Bad file number",10:"No children",11:"No more processes",12:"Not enough core",13:"Permission denied",14:"Bad address",15:"Block device required",16:"Mount device busy",17:"File exists",18:"Cross-device link",19:"No such device",20:"Not a directory",21:"Is a directory",22:"Invalid argument",23:"Too many open files in system",24:"Too many open files",25:"Not a typewriter",26:"Text file busy",27:"File too large",28:"No space left on device",29:"Illegal seek",30:"Read only file system",31:"Too many links",32:"Broken pipe",33:"Math arg out of domain of func",34:"Math result not representable",35:"File locking deadlock error",36:"File or path name too long",37:"No record locks available",38:"Function not implemented",39:"Directory not empty",40:"Too many symbolic links",42:"No message of desired type",43:"Identifier removed",44:"Channel number out of range",45:"Level 2 not synchronized",46:"Level 3 halted",47:"Level 3 reset",48:"Link number out of range",49:"Protocol driver not attached",50:"No CSI structure available",51:"Level 2 halted",52:"Invalid exchange",53:"Invalid request descriptor",54:"Exchange full",55:"No anode",56:"Invalid request code",57:"Invalid slot",59:"Bad font file fmt",60:"Device not a stream",61:"No data (for no delay io)",62:"Timer expired",63:"Out of streams resources",64:"Machine is not on the network",65:"Package not installed",66:"The object is remote",67:"The link has been severed",68:"Advertise error",69:"Srmount error",70:"Communication error on send",71:"Protocol error",72:"Multihop attempted",73:"Cross mount point (not really error)",74:"Trying to read unreadable message",75:"Value too large for defined data type",76:"Given log. name not unique",77:"f.d. invalid for this operation",78:"Remote address changed",79:"Can access a needed shared lib",80:"Accessing a corrupted shared lib",81:".lib section in a.out corrupted",82:"Attempting to link in too many libs",83:"Attempting to exec a shared library",84:"Illegal byte sequence",86:"Streams pipe error",87:"Too many users",88:"Socket operation on non-socket",89:"Destination address required",90:"Message too long",91:"Protocol wrong type for socket",92:"Protocol not available",93:"Unknown protocol",94:"Socket type not supported",95:"Not supported",96:"Protocol family not supported",97:"Address family not supported by protocol family",98:"Address already in use",99:"Address not available",100:"Network interface is not configured",101:"Network is unreachable",102:"Connection reset by network",103:"Connection aborted",104:"Connection reset by peer",105:"No buffer space available",106:"Socket is already connected",107:"Socket is not connected",108:"Can't send after socket shutdown",109:"Too many references",110:"Connection timed out",111:"Connection refused",112:"Host is down",113:"Host is unreachable",114:"Socket already connected",115:"Connection already in progress",116:"Stale file handle",122:"Quota exceeded",123:"No medium (in tape drive)",125:"Operation canceled",130:"Previous owner died",131:"State not recoverable"};
-
- function ___setErrNo(value) {
- if (Module['___errno_location']) HEAP32[((Module['___errno_location']())>>2)]=value;
- return value;
- }
-
- var PATH={splitPath:function (filename) {
- var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
- return splitPathRe.exec(filename).slice(1);
- },normalizeArray:function (parts, allowAboveRoot) {
- // if the path tries to go above the root, `up` ends up > 0
- 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 the path is allowed to go above the root, restore leading ..s
- if (allowAboveRoot) {
- for (; up; up--) {
- parts.unshift('..');
- }
- }
- return parts;
- },normalize:function (path) {
- var isAbsolute = path.charAt(0) === '/',
- trailingSlash = path.substr(-1) === '/';
- // Normalize the path
- 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) {
- // No dirname whatsoever
- return '.';
- }
- if (dir) {
- // It has a dirname, strip trailing slash
- dir = dir.substr(0, dir.length - 1);
- }
- return root + dir;
- },basename:function (path) {
- // EMSCRIPTEN return '/'' for '/', not an empty string
- 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);
- },resolve:function () {
- var resolvedPath = '',
- resolvedAbsolute = false;
- for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
- var path = (i >= 0) ? arguments[i] : FS.cwd();
- // Skip empty and invalid entries
- if (typeof path !== 'string') {
- throw new TypeError('Arguments to path.resolve must be strings');
- } else if (!path) {
- return ''; // an invalid portion invalidates the whole thing
- }
- resolvedPath = path + '/' + resolvedPath;
- resolvedAbsolute = path.charAt(0) === '/';
- }
- // At this point the path should be resolved to a full absolute path, but
- // handle relative paths to be safe (might happen when process.cwd() fails)
- resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter(function(p) {
- return !!p;
- }), !resolvedAbsolute).join('/');
- return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
- },relative:function (from, to) {
- from = PATH.resolve(from).substr(1);
- to = PATH.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 () {
- // https://github.com/kripken/emscripten/pull/1555
- // if (ENVIRONMENT_IS_NODE) {
- // // currently, FS.init does not distinguish if process.stdin is a file or TTY
- // // device, it always assumes it's a TTY device. because of this, we're forcing
- // // process.stdin to UTF8 encoding to at least make stdin reading compatible
- // // with text files until FS.init can be refactored.
- // process['stdin']['setEncoding']('utf8');
- // }
- },shutdown:function () {
- // https://github.com/kripken/emscripten/pull/1555
- // if (ENVIRONMENT_IS_NODE) {
- // // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)?
- // // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation
- // // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists?
- // // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle
- // // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call
- // process['stdin']['pause']();
- // }
- },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(ERRNO_CODES.ENODEV);
- }
- stream.tty = tty;
- stream.seekable = false;
- },close:function (stream) {
- // flush any pending line data
- stream.tty.ops.flush(stream.tty);
- },flush:function (stream) {
- stream.tty.ops.flush(stream.tty);
- },read:function (stream, buffer, offset, length, pos /* ignored */) {
- if (!stream.tty || !stream.tty.ops.get_char) {
- throw new FS.ErrnoError(ERRNO_CODES.ENXIO);
- }
- 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(ERRNO_CODES.EIO);
- }
- if (result === undefined && bytesRead === 0) {
- throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
- }
- 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(ERRNO_CODES.ENXIO);
- }
- try {
- for (var i = 0; i < length; i++) {
- stream.tty.ops.put_char(stream.tty, buffer[offset+i]);
- }
- } catch (e) {
- throw new FS.ErrnoError(ERRNO_CODES.EIO);
- }
- if (length) {
- stream.node.timestamp = Date.now();
- }
- return i;
- }},default_tty_ops:{get_char:function (tty) {
- if (!tty.input.length) {
- var result = null;
- if (ENVIRONMENT_IS_NODE) {
- // we will read data by chunks of BUFSIZE
- var BUFSIZE = 256;
- var buf = new Buffer(BUFSIZE);
- var bytesRead = 0;
-
- var isPosixPlatform = (process.platform != 'win32'); // Node doesn't offer a direct check, so test by exclusion
-
- var fd = process.stdin.fd;
- if (isPosixPlatform) {
- // Linux and Mac cannot use process.stdin.fd (which isn't set up as sync)
- var usingDevice = false;
- try {
- fd = fs.openSync('/dev/stdin', 'r');
- usingDevice = true;
- } catch (e) {}
- }
-
- try {
- bytesRead = fs.readSync(fd, buf, 0, BUFSIZE, null);
- } catch(e) {
- // Cross-platform differences: on Windows, reading EOF throws an exception, but on other OSes,
- // reading EOF returns 0. Uniformize behavior by treating the EOF exception to return 0.
- if (e.toString().indexOf('EOF') != -1) bytesRead = 0;
- else throw e;
- }
-
- if (usingDevice) { fs.closeSync(fd); }
- if (bytesRead > 0) {
- result = buf.slice(0, bytesRead).toString('utf-8');
- } else {
- result = null;
- }
-
- } else if (typeof window != 'undefined' &&
- typeof window.prompt == 'function') {
- // Browser.
- result = window.prompt('Input: '); // returns null on cancel
- if (result !== null) {
- result += '\n';
- }
- } else if (typeof readline == 'function') {
- // Command line.
- 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); // val == 0 would cut text output off in the middle.
- }
- },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 /* 0777 */, 0);
- },createNode:function (parent, name, mode, dev) {
- if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
- // no supported
- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- 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; // The actual number of bytes used in the typed array, as opposed to contents.length which gives the whole capacity.
- // When the byte data of the file is populated, this will point to either a typed array, or a normal JS array. Typed arrays are preferred
- // for performance, and used by default. However, typed arrays are not resizable like normal JS arrays are, so there is a small disk size
- // penalty involved for appending file writes that continuously grow a file similar to std::vector capacity vs used -scheme.
- 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();
- // add the new node to the parent
- 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; // Returns a copy of the original data.
- }
- return node.contents; // No-op, the file contents are already in a JS array. Return as-is.
- },getFileDataAsTypedArray:function (node) {
- if (!node.contents) return new Uint8Array;
- if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes); // Make sure to not return excess unused bytes.
- return new Uint8Array(node.contents);
- },expandFileStorage:function (node, newCapacity) {
- // If we are asked to expand the size of a file that already exists, revert to using a standard JS array to store the file
- // instead of a typed array. This makes resizing the array more flexible because we can just .push() elements at the back to
- // increase the size.
- if (node.contents && node.contents.subarray && newCapacity > node.contents.length) {
- node.contents = MEMFS.getFileDataAsRegularArray(node);
- node.usedBytes = node.contents.length; // We might be writing to a lazy-loaded file which had overridden this property, so force-reset it.
- }
-
- if (!node.contents || node.contents.subarray) { // Keep using a typed array if creating a new storage, or if old one was a typed array as well.
- var prevCapacity = node.contents ? node.contents.length : 0;
- if (prevCapacity >= newCapacity) return; // No need to expand, the storage was already large enough.
- // Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity.
- // For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to
- // avoid overshooting the allocation cap by a very large margin.
- var CAPACITY_DOUBLING_MAX = 1024 * 1024;
- newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2.0 : 1.125)) | 0);
- if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256); // At minimum allocate 256b for each file when expanding.
- var oldContents = node.contents;
- node.contents = new Uint8Array(newCapacity); // Allocate new storage.
- if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0); // Copy old data over to the new storage.
- return;
- }
- // Not using a typed array to back the file storage. Use a standard JS array instead.
- if (!node.contents && newCapacity > 0) node.contents = [];
- while (node.contents.length < newCapacity) node.contents.push(0);
- },resizeFileStorage:function (node, newSize) {
- if (node.usedBytes == newSize) return;
- if (newSize == 0) {
- node.contents = null; // Fully decommit when requesting a resize to zero.
- node.usedBytes = 0;
- return;
- }
- if (!node.contents || node.contents.subarray) { // Resize a typed array if that is being used as the backing store.
- var oldContents = node.contents;
- node.contents = new Uint8Array(new ArrayBuffer(newSize)); // Allocate new storage.
- if (oldContents) {
- node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes))); // Copy old data over to the new storage.
- }
- node.usedBytes = newSize;
- return;
- }
- // Backing with a JS array.
- 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 = {};
- // device numbers reuse inode numbers.
- 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);
- // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize),
- // but this is not required by the standard.
- 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[ERRNO_CODES.ENOENT];
- },mknod:function (parent, name, mode, dev) {
- return MEMFS.createNode(parent, name, mode, dev);
- },rename:function (old_node, new_dir, new_name) {
- // if we're overwriting a directory at new_name, make sure it's empty.
- 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(ERRNO_CODES.ENOTEMPTY);
- }
- }
- }
- // do the internal rewiring
- 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(ERRNO_CODES.ENOTEMPTY);
- }
- 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 /* 0777 */ | 40960, 0);
- node.link = oldpath;
- return node;
- },readlink:function (node) {
- if (!FS.isLink(node.mode)) {
- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- 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);
- assert(size >= 0);
- if (size > 8 && contents.subarray) { // non-trivial, and typed array
- 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 (!length) return 0;
- var node = stream.node;
- node.timestamp = Date.now();
-
- if (buffer.subarray && (!node.contents || node.contents.subarray)) { // This write is from a typed array to a typed array?
- if (canOwn) {
- node.contents = buffer.subarray(offset, offset + length);
- node.usedBytes = length;
- return length;
- } else if (node.usedBytes === 0 && position === 0) { // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data.
- node.contents = new Uint8Array(buffer.subarray(offset, offset + length));
- node.usedBytes = length;
- return length;
- } else if (position + length <= node.usedBytes) { // Writing to an already allocated and used subrange of the file?
- node.contents.set(buffer.subarray(offset, offset + length), position);
- return length;
- }
- }
-
- // Appending to an existing file and we need to reallocate, or source data did not come as a typed array.
- MEMFS.expandFileStorage(node, position+length);
- if (node.contents.subarray && buffer.subarray) node.contents.set(buffer.subarray(offset, offset + length), position); // Use typed array write if available.
- else {
- for (var i = 0; i < length; i++) {
- node.contents[position + i] = buffer[offset + i]; // Or fall back to manual write if not.
- }
- }
- node.usedBytes = Math.max(node.usedBytes, position+length);
- return length;
- },llseek:function (stream, offset, whence) {
- var position = offset;
- if (whence === 1) { // SEEK_CUR.
- position += stream.position;
- } else if (whence === 2) { // SEEK_END.
- if (FS.isFile(stream.node.mode)) {
- position += stream.node.usedBytes;
- }
- }
- if (position < 0) {
- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- 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(ERRNO_CODES.ENODEV);
- }
- var ptr;
- var allocated;
- var contents = stream.node.contents;
- // Only make a new copy when MAP_PRIVATE is specified.
- if ( !(flags & 2) &&
- (contents.buffer === buffer || contents.buffer === buffer.buffer) ) {
- // We can't emulate MAP_SHARED when the file is not backed by the buffer
- // we're mapping to (e.g. the HEAP buffer).
- allocated = false;
- ptr = contents.byteOffset;
- } else {
- // Try to avoid unnecessary slices.
- if (position > 0 || position + length < stream.node.usedBytes) {
- if (contents.subarray) {
- contents = contents.subarray(position, position + length);
- } else {
- contents = Array.prototype.slice.call(contents, position, position + length);
- }
- }
- allocated = true;
- ptr = _malloc(length);
- if (!ptr) {
- throw new FS.ErrnoError(ERRNO_CODES.ENOMEM);
- }
- 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(ERRNO_CODES.ENODEV);
- }
- if (mmapFlags & 2) {
- // MAP_PRIVATE calls need not to be synced back to underlying fs
- return 0;
- }
-
- var bytesWritten = MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
- // should we check if bytesWritten and length are the same?
- return 0;
- }}};
-
- var IDBFS={dbs:{},indexedDB:function () {
- if (typeof indexedDB !== 'undefined') return indexedDB;
- var ret = null;
- if (typeof window === 'object') ret = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
- assert(ret, 'IDBFS used, but indexedDB not supported');
- return ret;
- },DB_VERSION:21,DB_STORE_NAME:"FILE_DATA",mount:function (mount) {
- // reuse all of the core MEMFS functionality
- return MEMFS.mount.apply(null, arguments);
- },syncfs:function (mount, populate, callback) {
- IDBFS.getLocalSet(mount, function(err, local) {
- if (err) return callback(err);
-
- IDBFS.getRemoteSet(mount, function(err, remote) {
- if (err) return callback(err);
-
- var src = populate ? remote : local;
- var dst = populate ? local : remote;
-
- IDBFS.reconcile(src, dst, callback);
- });
- });
- },getDB:function (name, callback) {
- // check the cache first
- var db = IDBFS.dbs[name];
- if (db) {
- return callback(null, db);
- }
-
- var req;
- try {
- req = IDBFS.indexedDB().open(name, IDBFS.DB_VERSION);
- } catch (e) {
- return callback(e);
- }
- if (!req) {
- return callback("Unable to connect to IndexedDB");
- }
- req.onupgradeneeded = function(e) {
- var db = e.target.result;
- var transaction = e.target.transaction;
-
- var fileStore;
-
- if (db.objectStoreNames.contains(IDBFS.DB_STORE_NAME)) {
- fileStore = transaction.objectStore(IDBFS.DB_STORE_NAME);
- } else {
- fileStore = db.createObjectStore(IDBFS.DB_STORE_NAME);
- }
-
- if (!fileStore.indexNames.contains('timestamp')) {
- fileStore.createIndex('timestamp', 'timestamp', { unique: false });
- }
- };
- req.onsuccess = function() {
- db = req.result;
-
- // add to the cache
- IDBFS.dbs[name] = db;
- callback(null, db);
- };
- req.onerror = function(e) {
- callback(this.error);
- e.preventDefault();
- };
- },getLocalSet:function (mount, callback) {
- var entries = {};
-
- function isRealDir(p) {
- return p !== '.' && p !== '..';
- };
- function toAbsolute(root) {
- return function(p) {
- return PATH.join2(root, p);
- }
- };
-
- var check = FS.readdir(mount.mountpoint).filter(isRealDir).map(toAbsolute(mount.mountpoint));
-
- while (check.length) {
- var path = check.pop();
- var stat;
-
- try {
- stat = FS.stat(path);
- } catch (e) {
- return callback(e);
- }
-
- if (FS.isDir(stat.mode)) {
- check.push.apply(check, FS.readdir(path).filter(isRealDir).map(toAbsolute(path)));
- }
-
- entries[path] = { timestamp: stat.mtime };
- }
-
- return callback(null, { type: 'local', entries: entries });
- },getRemoteSet:function (mount, callback) {
- var entries = {};
-
- IDBFS.getDB(mount.mountpoint, function(err, db) {
- if (err) return callback(err);
-
- try {
- var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readonly');
- transaction.onerror = function(e) {
- callback(this.error);
- e.preventDefault();
- };
-
- var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
- var index = store.index('timestamp');
-
- index.openKeyCursor().onsuccess = function(event) {
- var cursor = event.target.result;
-
- if (!cursor) {
- return callback(null, { type: 'remote', db: db, entries: entries });
- }
-
- entries[cursor.primaryKey] = { timestamp: cursor.key };
-
- cursor.continue();
- };
- } catch (e) {
- return callback(e);
- }
- });
- },loadLocalEntry:function (path, callback) {
- var stat, node;
-
- try {
- var lookup = FS.lookupPath(path);
- node = lookup.node;
- stat = FS.stat(path);
- } catch (e) {
- return callback(e);
- }
-
- if (FS.isDir(stat.mode)) {
- return callback(null, { timestamp: stat.mtime, mode: stat.mode });
- } else if (FS.isFile(stat.mode)) {
- // Performance consideration: storing a normal JavaScript array to a IndexedDB is much slower than storing a typed array.
- // Therefore always convert the file contents to a typed array first before writing the data to IndexedDB.
- node.contents = MEMFS.getFileDataAsTypedArray(node);
- return callback(null, { timestamp: stat.mtime, mode: stat.mode, contents: node.contents });
- } else {
- return callback(new Error('node type not supported'));
- }
- },storeLocalEntry:function (path, entry, callback) {
- try {
- if (FS.isDir(entry.mode)) {
- FS.mkdir(path, entry.mode);
- } else if (FS.isFile(entry.mode)) {
- FS.writeFile(path, entry.contents, { canOwn: true });
- } else {
- return callback(new Error('node type not supported'));
- }
-
- FS.chmod(path, entry.mode);
- FS.utime(path, entry.timestamp, entry.timestamp);
- } catch (e) {
- return callback(e);
- }
-
- callback(null);
- },removeLocalEntry:function (path, callback) {
- try {
- var lookup = FS.lookupPath(path);
- var stat = FS.stat(path);
-
- if (FS.isDir(stat.mode)) {
- FS.rmdir(path);
- } else if (FS.isFile(stat.mode)) {
- FS.unlink(path);
- }
- } catch (e) {
- return callback(e);
- }
-
- callback(null);
- },loadRemoteEntry:function (store, path, callback) {
- var req = store.get(path);
- req.onsuccess = function(event) { callback(null, event.target.result); };
- req.onerror = function(e) {
- callback(this.error);
- e.preventDefault();
- };
- },storeRemoteEntry:function (store, path, entry, callback) {
- var req = store.put(entry, path);
- req.onsuccess = function() { callback(null); };
- req.onerror = function(e) {
- callback(this.error);
- e.preventDefault();
- };
- },removeRemoteEntry:function (store, path, callback) {
- var req = store.delete(path);
- req.onsuccess = function() { callback(null); };
- req.onerror = function(e) {
- callback(this.error);
- e.preventDefault();
- };
- },reconcile:function (src, dst, callback) {
- var total = 0;
-
- var create = [];
- Object.keys(src.entries).forEach(function (key) {
- var e = src.entries[key];
- var e2 = dst.entries[key];
- if (!e2 || e.timestamp > e2.timestamp) {
- create.push(key);
- total++;
- }
- });
-
- var remove = [];
- Object.keys(dst.entries).forEach(function (key) {
- var e = dst.entries[key];
- var e2 = src.entries[key];
- if (!e2) {
- remove.push(key);
- total++;
- }
- });
-
- if (!total) {
- return callback(null);
- }
-
- var errored = false;
- var completed = 0;
- var db = src.type === 'remote' ? src.db : dst.db;
- var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readwrite');
- var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
-
- function done(err) {
- if (err) {
- if (!done.errored) {
- done.errored = true;
- return callback(err);
- }
- return;
- }
- if (++completed >= total) {
- return callback(null);
- }
- };
-
- transaction.onerror = function(e) {
- done(this.error);
- e.preventDefault();
- };
-
- // sort paths in ascending order so directory entries are created
- // before the files inside them
- create.sort().forEach(function (path) {
- if (dst.type === 'local') {
- IDBFS.loadRemoteEntry(store, path, function (err, entry) {
- if (err) return done(err);
- IDBFS.storeLocalEntry(path, entry, done);
- });
- } else {
- IDBFS.loadLocalEntry(path, function (err, entry) {
- if (err) return done(err);
- IDBFS.storeRemoteEntry(store, path, entry, done);
- });
- }
- });
-
- // sort paths in descending order so files are deleted before their
- // parent directories
- remove.sort().reverse().forEach(function(path) {
- if (dst.type === 'local') {
- IDBFS.removeLocalEntry(path, done);
- } else {
- IDBFS.removeRemoteEntry(store, path, done);
- }
- });
- }};
-
- var NODEFS={isWindows:false,staticInit:function () {
- NODEFS.isWindows = !!process.platform.match(/^win/);
- var flags = process["binding"]("constants");
- // Node.js 4 compatibility: it has no namespaces for constants
- if (flags["fs"]) {
- flags = flags["fs"];
- }
- NODEFS.flagsForNodeMap = {
- "1024": flags["O_APPEND"],
- "64": flags["O_CREAT"],
- "128": flags["O_EXCL"],
- "0": flags["O_RDONLY"],
- "2": flags["O_RDWR"],
- "4096": flags["O_SYNC"],
- "512": flags["O_TRUNC"],
- "1": flags["O_WRONLY"]
- };
- },bufferFrom:function (arrayBuffer) {
- // Node.js < 4.5 compatibility: Buffer.from does not support ArrayBuffer
- // Buffer.from before 4.5 was just a method inherited from Uint8Array
- // Buffer.alloc has been added with Buffer.from together, so check it instead
- return Buffer.alloc ? Buffer.from(arrayBuffer) : new Buffer(arrayBuffer);
- },mount:function (mount) {
- assert(ENVIRONMENT_IS_NODE);
- return NODEFS.createNode(null, '/', NODEFS.getMode(mount.opts.root), 0);
- },createNode:function (parent, name, mode, dev) {
- if (!FS.isDir(mode) && !FS.isFile(mode) && !FS.isLink(mode)) {
- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- var node = FS.createNode(parent, name, mode);
- node.node_ops = NODEFS.node_ops;
- node.stream_ops = NODEFS.stream_ops;
- return node;
- },getMode:function (path) {
- var stat;
- try {
- stat = fs.lstatSync(path);
- if (NODEFS.isWindows) {
- // Node.js on Windows never represents permission bit 'x', so
- // propagate read bits to execute bits
- stat.mode = stat.mode | ((stat.mode & 292) >> 2);
- }
- } catch (e) {
- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- return stat.mode;
- },realPath:function (node) {
- var parts = [];
- while (node.parent !== node) {
- parts.push(node.name);
- node = node.parent;
- }
- parts.push(node.mount.opts.root);
- parts.reverse();
- return PATH.join.apply(null, parts);
- },flagsForNode:function (flags) {
- flags &= ~0x200000 /*O_PATH*/; // Ignore this flag from musl, otherwise node.js fails to open the file.
- flags &= ~0x800 /*O_NONBLOCK*/; // Ignore this flag from musl, otherwise node.js fails to open the file.
- flags &= ~0x8000 /*O_LARGEFILE*/; // Ignore this flag from musl, otherwise node.js fails to open the file.
- flags &= ~0x80000 /*O_CLOEXEC*/; // Some applications may pass it; it makes no sense for a single process.
- var newFlags = 0;
- for (var k in NODEFS.flagsForNodeMap) {
- if (flags & k) {
- newFlags |= NODEFS.flagsForNodeMap[k];
- flags ^= k;
- }
- }
-
- if (!flags) {
- return newFlags;
- } else {
- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- },node_ops:{getattr:function (node) {
- var path = NODEFS.realPath(node);
- var stat;
- try {
- stat = fs.lstatSync(path);
- } catch (e) {
- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- // node.js v0.10.20 doesn't report blksize and blocks on Windows. Fake them with default blksize of 4096.
- // See http://support.microsoft.com/kb/140365
- if (NODEFS.isWindows && !stat.blksize) {
- stat.blksize = 4096;
- }
- if (NODEFS.isWindows && !stat.blocks) {
- stat.blocks = (stat.size+stat.blksize-1)/stat.blksize|0;
- }
- return {
- dev: stat.dev,
- ino: stat.ino,
- mode: stat.mode,
- nlink: stat.nlink,
- uid: stat.uid,
- gid: stat.gid,
- rdev: stat.rdev,
- size: stat.size,
- atime: stat.atime,
- mtime: stat.mtime,
- ctime: stat.ctime,
- blksize: stat.blksize,
- blocks: stat.blocks
- };
- },setattr:function (node, attr) {
- var path = NODEFS.realPath(node);
- try {
- if (attr.mode !== undefined) {
- fs.chmodSync(path, attr.mode);
- // update the common node structure mode as well
- node.mode = attr.mode;
- }
- if (attr.timestamp !== undefined) {
- var date = new Date(attr.timestamp);
- fs.utimesSync(path, date, date);
- }
- if (attr.size !== undefined) {
- fs.truncateSync(path, attr.size);
- }
- } catch (e) {
- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },lookup:function (parent, name) {
- var path = PATH.join2(NODEFS.realPath(parent), name);
- var mode = NODEFS.getMode(path);
- return NODEFS.createNode(parent, name, mode);
- },mknod:function (parent, name, mode, dev) {
- var node = NODEFS.createNode(parent, name, mode, dev);
- // create the backing node for this in the fs root as well
- var path = NODEFS.realPath(node);
- try {
- if (FS.isDir(node.mode)) {
- fs.mkdirSync(path, node.mode);
- } else {
- fs.writeFileSync(path, '', { mode: node.mode });
- }
- } catch (e) {
- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- return node;
- },rename:function (oldNode, newDir, newName) {
- var oldPath = NODEFS.realPath(oldNode);
- var newPath = PATH.join2(NODEFS.realPath(newDir), newName);
- try {
- fs.renameSync(oldPath, newPath);
- } catch (e) {
- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },unlink:function (parent, name) {
- var path = PATH.join2(NODEFS.realPath(parent), name);
- try {
- fs.unlinkSync(path);
- } catch (e) {
- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },rmdir:function (parent, name) {
- var path = PATH.join2(NODEFS.realPath(parent), name);
- try {
- fs.rmdirSync(path);
- } catch (e) {
- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },readdir:function (node) {
- var path = NODEFS.realPath(node);
- try {
- return fs.readdirSync(path);
- } catch (e) {
- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },symlink:function (parent, newName, oldPath) {
- var newPath = PATH.join2(NODEFS.realPath(parent), newName);
- try {
- fs.symlinkSync(oldPath, newPath);
- } catch (e) {
- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },readlink:function (node) {
- var path = NODEFS.realPath(node);
- try {
- path = fs.readlinkSync(path);
- path = NODEJS_PATH.relative(NODEJS_PATH.resolve(node.mount.opts.root), path);
- return path;
- } catch (e) {
- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- }},stream_ops:{open:function (stream) {
- var path = NODEFS.realPath(stream.node);
- try {
- if (FS.isFile(stream.node.mode)) {
- stream.nfd = fs.openSync(path, NODEFS.flagsForNode(stream.flags));
- }
- } catch (e) {
- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },close:function (stream) {
- try {
- if (FS.isFile(stream.node.mode) && stream.nfd) {
- fs.closeSync(stream.nfd);
- }
- } catch (e) {
- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },read:function (stream, buffer, offset, length, position) {
- // Node.js < 6 compatibility: node errors on 0 length reads
- if (length === 0) return 0;
- try {
- return fs.readSync(stream.nfd, NODEFS.bufferFrom(buffer.buffer), offset, length, position);
- } catch (e) {
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },write:function (stream, buffer, offset, length, position) {
- try {
- return fs.writeSync(stream.nfd, NODEFS.bufferFrom(buffer.buffer), offset, length, position);
- } catch (e) {
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },llseek:function (stream, offset, whence) {
- var position = offset;
- if (whence === 1) { // SEEK_CUR.
- position += stream.position;
- } else if (whence === 2) { // SEEK_END.
- if (FS.isFile(stream.node.mode)) {
- try {
- var stat = fs.fstatSync(stream.nfd);
- position += stat.size;
- } catch (e) {
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- }
- }
-
- if (position < 0) {
- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
-
- return position;
- }}};
-
- var WORKERFS={DIR_MODE:16895,FILE_MODE:33279,reader:null,mount:function (mount) {
- assert(ENVIRONMENT_IS_WORKER);
- if (!WORKERFS.reader) WORKERFS.reader = new FileReaderSync();
- var root = WORKERFS.createNode(null, '/', WORKERFS.DIR_MODE, 0);
- var createdParents = {};
- function ensureParent(path) {
- // return the parent node, creating subdirs as necessary
- var parts = path.split('/');
- var parent = root;
- for (var i = 0; i < parts.length-1; i++) {
- var curr = parts.slice(0, i+1).join('/');
- // Issue 4254: Using curr as a node name will prevent the node
- // from being found in FS.nameTable when FS.open is called on
- // a path which holds a child of this node,
- // given that all FS functions assume node names
- // are just their corresponding parts within their given path,
- // rather than incremental aggregates which include their parent's
- // directories.
- if (!createdParents[curr]) {
- createdParents[curr] = WORKERFS.createNode(parent, parts[i], WORKERFS.DIR_MODE, 0);
- }
- parent = createdParents[curr];
- }
- return parent;
- }
- function base(path) {
- var parts = path.split('/');
- return parts[parts.length-1];
- }
- // We also accept FileList here, by using Array.prototype
- Array.prototype.forEach.call(mount.opts["files"] || [], function(file) {
- WORKERFS.createNode(ensureParent(file.name), base(file.name), WORKERFS.FILE_MODE, 0, file, file.lastModifiedDate);
- });
- (mount.opts["blobs"] || []).forEach(function(obj) {
- WORKERFS.createNode(ensureParent(obj["name"]), base(obj["name"]), WORKERFS.FILE_MODE, 0, obj["data"]);
- });
- (mount.opts["packages"] || []).forEach(function(pack) {
- pack['metadata'].files.forEach(function(file) {
- var name = file.filename.substr(1); // remove initial slash
- WORKERFS.createNode(ensureParent(name), base(name), WORKERFS.FILE_MODE, 0, pack['blob'].slice(file.start, file.end));
- });
- });
- return root;
- },createNode:function (parent, name, mode, dev, contents, mtime) {
- var node = FS.createNode(parent, name, mode);
- node.mode = mode;
- node.node_ops = WORKERFS.node_ops;
- node.stream_ops = WORKERFS.stream_ops;
- node.timestamp = (mtime || new Date).getTime();
- assert(WORKERFS.FILE_MODE !== WORKERFS.DIR_MODE);
- if (mode === WORKERFS.FILE_MODE) {
- node.size = contents.size;
- node.contents = contents;
- } else {
- node.size = 4096;
- node.contents = {};
- }
- if (parent) {
- parent.contents[name] = node;
- }
- return node;
- },node_ops:{getattr:function (node) {
- return {
- dev: 1,
- ino: undefined,
- mode: node.mode,
- nlink: 1,
- uid: 0,
- gid: 0,
- rdev: undefined,
- size: node.size,
- atime: new Date(node.timestamp),
- mtime: new Date(node.timestamp),
- ctime: new Date(node.timestamp),
- blksize: 4096,
- blocks: Math.ceil(node.size / 4096),
- };
- },setattr:function (node, attr) {
- if (attr.mode !== undefined) {
- node.mode = attr.mode;
- }
- if (attr.timestamp !== undefined) {
- node.timestamp = attr.timestamp;
- }
- },lookup:function (parent, name) {
- throw new FS.ErrnoError(ERRNO_CODES.ENOENT);
- },mknod:function (parent, name, mode, dev) {
- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- },rename:function (oldNode, newDir, newName) {
- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- },unlink:function (parent, name) {
- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- },rmdir:function (parent, name) {
- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- },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) {
- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- },readlink:function (node) {
- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }},stream_ops:{read:function (stream, buffer, offset, length, position) {
- if (position >= stream.node.size) return 0;
- var chunk = stream.node.contents.slice(position, position + length);
- var ab = WORKERFS.reader.readAsArrayBuffer(chunk);
- buffer.set(new Uint8Array(ab), offset);
- return chunk.size;
- },write:function (stream, buffer, offset, length, position) {
- throw new FS.ErrnoError(ERRNO_CODES.EIO);
- },llseek:function (stream, offset, whence) {
- var position = offset;
- if (whence === 1) { // SEEK_CUR.
- position += stream.position;
- } else if (whence === 2) { // SEEK_END.
- if (FS.isFile(stream.node.mode)) {
- position += stream.node.size;
- }
- }
- if (position < 0) {
- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- return position;
- }}};
-
- var _stdin=STATICTOP; STATICTOP += 16;;
-
- var _stdout=STATICTOP; STATICTOP += 16;;
-
- var _stderr=STATICTOP; STATICTOP += 16;;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.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) { // max recursive lookup of 8
- throw new FS.ErrnoError(ERRNO_CODES.ELOOP);
- }
-
- // split the path
- var parts = PATH.normalizeArray(path.split('/').filter(function(p) {
- return !!p;
- }), false);
-
- // start at the root
- 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) {
- // stop resolving
- break;
- }
-
- current = FS.lookupNode(current, parts[i]);
- current_path = PATH.join2(current_path, parts[i]);
-
- // jump to the mount's root node if this is a mountpoint
- if (FS.isMountpoint(current)) {
- if (!islast || (islast && opts.follow_mount)) {
- current = current.mounted.root;
- }
- }
-
- // by default, lookupPath will not follow a symlink if it is the final path component.
- // setting opts.follow = true will override this behavior.
- if (!islast || opts.follow) {
- var count = 0;
- while (FS.isLink(current.mode)) {
- var link = FS.readlink(current_path);
- current_path = PATH.resolve(PATH.dirname(current_path), link);
-
- var lookup = FS.lookupPath(current_path, { recurse_count: opts.recurse_count });
- current = lookup.node;
-
- if (count++ > 40) { // limit max consecutive symlinks to 40 (SYMLOOP_MAX).
- throw new FS.ErrnoError(ERRNO_CODES.ELOOP);
- }
- }
- }
- }
-
- 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 err = FS.mayLookup(parent);
- if (err) {
- throw new FS.ErrnoError(err, 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;
- }
- }
- // if we failed to find it in the cache, call into the VFS
- return FS.lookup(parent, name);
- },createNode:function (parent, name, mode, rdev) {
- if (!FS.FSNode) {
- FS.FSNode = function(parent, name, mode, rdev) {
- if (!parent) {
- parent = this; // root node sets parent to itself
- }
- this.parent = parent;
- this.mount = parent.mount;
- this.mounted = null;
- this.id = FS.nextInode++;
- this.name = name;
- this.mode = mode;
- this.node_ops = {};
- this.stream_ops = {};
- this.rdev = rdev;
- };
-
- FS.FSNode.prototype = {};
-
- // compatibility
- var readMode = 292 | 73;
- var writeMode = 146;
-
- // NOTE we must use Object.defineProperties instead of individual calls to
- // Object.defineProperty in order to make closure compiler happy
- Object.defineProperties(FS.FSNode.prototype, {
- read: {
- get: function() { return (this.mode & readMode) === readMode; },
- set: function(val) { val ? this.mode |= readMode : this.mode &= ~readMode; }
- },
- write: {
- get: function() { return (this.mode & writeMode) === writeMode; },
- set: function(val) { val ? this.mode |= writeMode : this.mode &= ~writeMode; }
- },
- isFolder: {
- get: function() { return FS.isDir(this.mode); }
- },
- isDevice: {
- get: function() { return FS.isChrdev(this.mode); }
- }
- });
- }
-
- 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;
- }
- // return 0 if any user, group or owner bits are set.
- if (perms.indexOf('r') !== -1 && !(node.mode & 292)) {
- return ERRNO_CODES.EACCES;
- } else if (perms.indexOf('w') !== -1 && !(node.mode & 146)) {
- return ERRNO_CODES.EACCES;
- } else if (perms.indexOf('x') !== -1 && !(node.mode & 73)) {
- return ERRNO_CODES.EACCES;
- }
- return 0;
- },mayLookup:function (dir) {
- var err = FS.nodePermissions(dir, 'x');
- if (err) return err;
- if (!dir.node_ops.lookup) return ERRNO_CODES.EACCES;
- return 0;
- },mayCreate:function (dir, name) {
- try {
- var node = FS.lookupNode(dir, name);
- return ERRNO_CODES.EEXIST;
- } 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 err = FS.nodePermissions(dir, 'wx');
- if (err) {
- return err;
- }
- if (isdir) {
- if (!FS.isDir(node.mode)) {
- return ERRNO_CODES.ENOTDIR;
- }
- if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
- return ERRNO_CODES.EBUSY;
- }
- } else {
- if (FS.isDir(node.mode)) {
- return ERRNO_CODES.EISDIR;
- }
- }
- return 0;
- },mayOpen:function (node, flags) {
- if (!node) {
- return ERRNO_CODES.ENOENT;
- }
- if (FS.isLink(node.mode)) {
- return ERRNO_CODES.ELOOP;
- } else if (FS.isDir(node.mode)) {
- if (FS.flagsToPermissionString(flags) !== 'r' || // opening for write
- (flags & 512)) { // TODO: check for O_SEARCH? (== search for dir only)
- return ERRNO_CODES.EISDIR;
- }
- }
- 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(ERRNO_CODES.EMFILE);
- },getStream:function (fd) {
- return FS.streams[fd];
- },createStream:function (stream, fd_start, fd_end) {
- if (!FS.FSStream) {
- FS.FSStream = function(){};
- FS.FSStream.prototype = {};
- // compatibility
- Object.defineProperties(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); }
- }
- });
- }
- // clone it, so we can return an instance of FSStream
- 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);
- // override node's stream ops with the device's
- stream.stream_ops = device.stream_ops;
- // forward the open call
- if (stream.stream_ops.open) {
- stream.stream_ops.open(stream);
- }
- },llseek:function () {
- throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);
- }},major:function (dev) {
- return ((dev) >> 8);
- },minor:function (dev) {
- return ((dev) & 0xff);
- },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) {
- console.log('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(err) {
- assert(FS.syncFSRequests > 0);
- FS.syncFSRequests--;
- return callback(err);
- }
-
- function done(err) {
- if (err) {
- if (!done.errored) {
- done.errored = true;
- return doCallback(err);
- }
- return;
- }
- if (++completed >= mounts.length) {
- doCallback(null);
- }
- };
-
- // sync all mounts
- 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(ERRNO_CODES.EBUSY);
- } else if (!root && !pseudo) {
- var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
-
- mountpoint = lookup.path; // use the absolute path
- node = lookup.node;
-
- if (FS.isMountpoint(node)) {
- throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
- }
-
- if (!FS.isDir(node.mode)) {
- throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR);
- }
- }
-
- var mount = {
- type: type,
- opts: opts,
- mountpoint: mountpoint,
- mounts: []
- };
-
- // create a root node for the fs
- var mountRoot = type.mount(mount);
- mountRoot.mount = mount;
- mount.root = mountRoot;
-
- if (root) {
- FS.root = mountRoot;
- } else if (node) {
- // set as a mountpoint
- node.mounted = mount;
-
- // add the new mount to the current mount's children
- 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(ERRNO_CODES.EINVAL);
- }
-
- // destroy the nodes for this mount, and all its child mounts
- 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;
- }
- });
-
- // no longer a mountpoint
- node.mounted = null;
-
- // remove this mount from the child mounts
- var idx = node.mount.mounts.indexOf(mount);
- assert(idx !== -1);
- 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(ERRNO_CODES.EINVAL);
- }
- var err = FS.mayCreate(parent, name);
- if (err) {
- throw new FS.ErrnoError(err);
- }
- if (!parent.node_ops.mknod) {
- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- return parent.node_ops.mknod(parent, name, mode, dev);
- },create:function (path, mode) {
- mode = mode !== undefined ? mode : 438 /* 0666 */;
- mode &= 4095;
- mode |= 32768;
- return FS.mknod(path, mode, 0);
- },mkdir:function (path, mode) {
- mode = mode !== undefined ? mode : 511 /* 0777 */;
- 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 != ERRNO_CODES.EEXIST) throw e;
- }
- }
- },mkdev:function (path, mode, dev) {
- if (typeof(dev) === 'undefined') {
- dev = mode;
- mode = 438 /* 0666 */;
- }
- mode |= 8192;
- return FS.mknod(path, mode, dev);
- },symlink:function (oldpath, newpath) {
- if (!PATH.resolve(oldpath)) {
- throw new FS.ErrnoError(ERRNO_CODES.ENOENT);
- }
- var lookup = FS.lookupPath(newpath, { parent: true });
- var parent = lookup.node;
- if (!parent) {
- throw new FS.ErrnoError(ERRNO_CODES.ENOENT);
- }
- var newname = PATH.basename(newpath);
- var err = FS.mayCreate(parent, newname);
- if (err) {
- throw new FS.ErrnoError(err);
- }
- if (!parent.node_ops.symlink) {
- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- 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);
- // parents must exist
- 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(ERRNO_CODES.EBUSY);
- }
- if (!old_dir || !new_dir) throw new FS.ErrnoError(ERRNO_CODES.ENOENT);
- // need to be part of the same mount
- if (old_dir.mount !== new_dir.mount) {
- throw new FS.ErrnoError(ERRNO_CODES.EXDEV);
- }
- // source must exist
- var old_node = FS.lookupNode(old_dir, old_name);
- // old path should not be an ancestor of the new path
- var relative = PATH.relative(old_path, new_dirname);
- if (relative.charAt(0) !== '.') {
- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- // new path should not be an ancestor of the old path
- relative = PATH.relative(new_path, old_dirname);
- if (relative.charAt(0) !== '.') {
- throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY);
- }
- // see if the new path already exists
- var new_node;
- try {
- new_node = FS.lookupNode(new_dir, new_name);
- } catch (e) {
- // not fatal
- }
- // early out if nothing needs to change
- if (old_node === new_node) {
- return;
- }
- // we'll need to delete the old entry
- var isdir = FS.isDir(old_node.mode);
- var err = FS.mayDelete(old_dir, old_name, isdir);
- if (err) {
- throw new FS.ErrnoError(err);
- }
- // need delete permissions if we'll be overwriting.
- // need create permissions if new doesn't already exist.
- err = new_node ?
- FS.mayDelete(new_dir, new_name, isdir) :
- FS.mayCreate(new_dir, new_name);
- if (err) {
- throw new FS.ErrnoError(err);
- }
- if (!old_dir.node_ops.rename) {
- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) {
- throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
- }
- // if we are going to change the parent, check write permissions
- if (new_dir !== old_dir) {
- err = FS.nodePermissions(old_dir, 'w');
- if (err) {
- throw new FS.ErrnoError(err);
- }
- }
- try {
- if (FS.trackingDelegate['willMovePath']) {
- FS.trackingDelegate['willMovePath'](old_path, new_path);
- }
- } catch(e) {
- console.log("FS.trackingDelegate['willMovePath']('"+old_path+"', '"+new_path+"') threw an exception: " + e.message);
- }
- // remove the node from the lookup hash
- FS.hashRemoveNode(old_node);
- // do the underlying fs rename
- try {
- old_dir.node_ops.rename(old_node, new_dir, new_name);
- } catch (e) {
- throw e;
- } finally {
- // add the node back to the hash (in case node_ops.rename
- // changed its name)
- FS.hashAddNode(old_node);
- }
- try {
- if (FS.trackingDelegate['onMovePath']) FS.trackingDelegate['onMovePath'](old_path, new_path);
- } catch(e) {
- console.log("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 err = FS.mayDelete(parent, name, true);
- if (err) {
- throw new FS.ErrnoError(err);
- }
- if (!parent.node_ops.rmdir) {
- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- if (FS.isMountpoint(node)) {
- throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
- }
- try {
- if (FS.trackingDelegate['willDeletePath']) {
- FS.trackingDelegate['willDeletePath'](path);
- }
- } catch(e) {
- console.log("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) {
- console.log("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(ERRNO_CODES.ENOTDIR);
- }
- 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 err = FS.mayDelete(parent, name, false);
- if (err) {
- // According to POSIX, we should map EISDIR to EPERM, but
- // we instead do what Linux does (and we must, as we use
- // the musl linux libc).
- throw new FS.ErrnoError(err);
- }
- if (!parent.node_ops.unlink) {
- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- if (FS.isMountpoint(node)) {
- throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
- }
- try {
- if (FS.trackingDelegate['willDeletePath']) {
- FS.trackingDelegate['willDeletePath'](path);
- }
- } catch(e) {
- console.log("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) {
- console.log("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(ERRNO_CODES.ENOENT);
- }
- if (!link.node_ops.readlink) {
- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- return PATH.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(ERRNO_CODES.ENOENT);
- }
- if (!node.node_ops.getattr) {
- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- 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(ERRNO_CODES.EPERM);
- }
- 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(ERRNO_CODES.EBADF);
- }
- 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(ERRNO_CODES.EPERM);
- }
- node.node_ops.setattr(node, {
- timestamp: Date.now()
- // we ignore the uid / gid for 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(ERRNO_CODES.EBADF);
- }
- FS.chown(stream.node, uid, gid);
- },truncate:function (path, len) {
- if (len < 0) {
- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- 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(ERRNO_CODES.EPERM);
- }
- if (FS.isDir(node.mode)) {
- throw new FS.ErrnoError(ERRNO_CODES.EISDIR);
- }
- if (!FS.isFile(node.mode)) {
- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- var err = FS.nodePermissions(node, 'w');
- if (err) {
- throw new FS.ErrnoError(err);
- }
- 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(ERRNO_CODES.EBADF);
- }
- if ((stream.flags & 2097155) === 0) {
- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- 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(ERRNO_CODES.ENOENT);
- }
- flags = typeof flags === 'string' ? FS.modeStringToFlags(flags) : flags;
- mode = typeof mode === 'undefined' ? 438 /* 0666 */ : 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) {
- // ignore
- }
- }
- // perhaps we need to create the node
- var created = false;
- if ((flags & 64)) {
- if (node) {
- // if O_CREAT and O_EXCL are set, error out if the node already exists
- if ((flags & 128)) {
- throw new FS.ErrnoError(ERRNO_CODES.EEXIST);
- }
- } else {
- // node doesn't exist, try to create it
- node = FS.mknod(path, mode, 0);
- created = true;
- }
- }
- if (!node) {
- throw new FS.ErrnoError(ERRNO_CODES.ENOENT);
- }
- // can't truncate a device
- if (FS.isChrdev(node.mode)) {
- flags &= ~512;
- }
- // if asked only for a directory, then this must be one
- if ((flags & 65536) && !FS.isDir(node.mode)) {
- throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR);
- }
- // check permissions, if this is not a file we just created now (it is ok to
- // create and write to a file with read-only permissions; it is read-only
- // for later use)
- if (!created) {
- var err = FS.mayOpen(node, flags);
- if (err) {
- throw new FS.ErrnoError(err);
- }
- }
- // do truncation if necessary
- if ((flags & 512)) {
- FS.truncate(node, 0);
- }
- // we've already handled these, don't pass down to the underlying vfs
- flags &= ~(128 | 512);
-
- // register the stream with the filesystem
- var stream = FS.createStream({
- node: node,
- path: FS.getPath(node), // we want the absolute path to the node
- flags: flags,
- seekable: true,
- position: 0,
- stream_ops: node.stream_ops,
- // used by the file family libc calls (fopen, fwrite, ferror, etc.)
- ungotten: [],
- error: false
- }, fd_start, fd_end);
- // call the new stream's open function
- 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;
- console.log("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) {
- console.log("FS.trackingDelegate['onOpenFile']('"+path+"', flags) threw an exception: " + e.message);
- }
- return stream;
- },close:function (stream) {
- if (FS.isClosed(stream)) {
- throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- }
- if (stream.getdents) stream.getdents = null; // free readdir state
- 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(ERRNO_CODES.EBADF);
- }
- if (!stream.seekable || !stream.stream_ops.llseek) {
- throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);
- }
- 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(ERRNO_CODES.EINVAL);
- }
- if (FS.isClosed(stream)) {
- throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- }
- if ((stream.flags & 2097155) === 1) {
- throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- }
- if (FS.isDir(stream.node.mode)) {
- throw new FS.ErrnoError(ERRNO_CODES.EISDIR);
- }
- if (!stream.stream_ops.read) {
- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- var seeking = typeof position !== 'undefined';
- if (!seeking) {
- position = stream.position;
- } else if (!stream.seekable) {
- throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);
- }
- 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(ERRNO_CODES.EINVAL);
- }
- if (FS.isClosed(stream)) {
- throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- }
- if ((stream.flags & 2097155) === 0) {
- throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- }
- if (FS.isDir(stream.node.mode)) {
- throw new FS.ErrnoError(ERRNO_CODES.EISDIR);
- }
- if (!stream.stream_ops.write) {
- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- if (stream.flags & 1024) {
- // seek to the end before writing in append mode
- FS.llseek(stream, 0, 2);
- }
- var seeking = typeof position !== 'undefined';
- if (!seeking) {
- position = stream.position;
- } else if (!stream.seekable) {
- throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);
- }
- 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) {
- console.log("FS.trackingDelegate['onWriteToFile']('"+path+"') threw an exception: " + e.message);
- }
- return bytesWritten;
- },allocate:function (stream, offset, length) {
- if (FS.isClosed(stream)) {
- throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- }
- if (offset < 0 || length <= 0) {
- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- if ((stream.flags & 2097155) === 0) {
- throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- }
- if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
- throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
- }
- if (!stream.stream_ops.allocate) {
- throw new FS.ErrnoError(ERRNO_CODES.EOPNOTSUPP);
- }
- stream.stream_ops.allocate(stream, offset, length);
- },mmap:function (stream, buffer, offset, length, position, prot, flags) {
- // TODO if PROT is PROT_WRITE, make sure we have write access
- if ((stream.flags & 2097155) === 1) {
- throw new FS.ErrnoError(ERRNO_CODES.EACCES);
- }
- if (!stream.stream_ops.mmap) {
- throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
- }
- 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(ERRNO_CODES.ENOTTY);
- }
- 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(ERRNO_CODES.ENOENT);
- }
- if (!FS.isDir(lookup.node.mode)) {
- throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR);
- }
- var err = FS.nodePermissions(lookup.node, 'x');
- if (err) {
- throw new FS.ErrnoError(err);
- }
- FS.currentPath = lookup.path;
- },createDefaultDirectories:function () {
- FS.mkdir('/tmp');
- FS.mkdir('/home');
- FS.mkdir('/home/web_user');
- },createDefaultDevices:function () {
- // create /dev
- FS.mkdir('/dev');
- // setup /dev/null
- 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));
- // setup /dev/tty and /dev/tty1
- // stderr needs to print output using Module['printErr']
- // so we register a second tty just for it.
- 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));
- // setup /dev/[u]random
- var random_device;
- if (typeof crypto !== 'undefined') {
- // for modern web browsers
- var randomBuffer = new Uint8Array(1);
- random_device = function() { crypto.getRandomValues(randomBuffer); return randomBuffer[0]; };
- } else if (ENVIRONMENT_IS_NODE) {
- // for nodejs
- random_device = function() { return require('crypto')['randomBytes'](1)[0]; };
- } else {
- // default for ES5 platforms
- random_device = function() { abort("random_device"); /*Math.random() is not safe for random number generation, so this fallback random_device implementation aborts... see kripken/emscripten/pull/7096 */ };
- }
- FS.createDevice('/dev', 'random', random_device);
- FS.createDevice('/dev', 'urandom', random_device);
- // we're not going to emulate the actual shm device,
- // just create the tmp dirs that reside in it commonly
- FS.mkdir('/dev/shm');
- FS.mkdir('/dev/shm/tmp');
- },createSpecialDirectories:function () {
- // create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the name of the stream for fd 6 (see test_unistd_ttyname)
- 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 /* 0777 */, 73);
- node.node_ops = {
- lookup: function(parent, name) {
- var fd = +name;
- var stream = FS.getStream(fd);
- if (!stream) throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- var ret = {
- parent: null,
- mount: { mountpoint: 'fake' },
- node_ops: { readlink: function() { return stream.path } }
- };
- ret.parent = ret; // make it look like a simple root node
- return ret;
- }
- };
- return node;
- }
- }, {}, '/proc/self/fd');
- },createStandardStreams:function () {
- // TODO deprecate the old functionality of a single
- // input / output callback and that utilizes FS.createDevice
- // and instead require a unique set of stream ops
-
- // by default, we symlink the standard streams to the
- // default tty devices. however, if the standard streams
- // have been overwritten we create a unique device for
- // them instead.
- 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');
- }
-
- // open default streams for the stdin, stdout and stderr devices
- var stdin = FS.open('/dev/stdin', 'r');
- assert(stdin.fd === 0, 'invalid handle for stdin (' + stdin.fd + ')');
-
- var stdout = FS.open('/dev/stdout', 'w');
- assert(stdout.fd === 1, 'invalid handle for stdout (' + stdout.fd + ')');
-
- var stderr = FS.open('/dev/stderr', 'w');
- assert(stderr.fd === 2, 'invalid handle for stderr (' + stderr.fd + ')');
- },ensureErrnoError:function () {
- if (FS.ErrnoError) return;
- FS.ErrnoError = function ErrnoError(errno, node) {
- this.node = node;
- this.setErrno = function(errno) {
- this.errno = errno;
- for (var key in ERRNO_CODES) {
- if (ERRNO_CODES[key] === errno) {
- this.code = key;
- break;
- }
- }
- };
- this.setErrno(errno);
- this.message = ERRNO_MESSAGES[errno];
- // Node.js compatibility: assigning on this.stack fails on Node 4 (but fixed on Node 8)
- if (this.stack) Object.defineProperty(this, "stack", { value: (new Error).stack, writable: true });
- };
- FS.ErrnoError.prototype = new Error();
- FS.ErrnoError.prototype.constructor = FS.ErrnoError;
- // Some errors may happen quite a bit, to avoid overhead we reuse them (and suffer a lack of stack info)
- [ERRNO_CODES.ENOENT].forEach(function(code) {
- FS.genericErrors[code] = new FS.ErrnoError(code);
- FS.genericErrors[code].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 (input, output, error) {
- assert(!FS.init.initialized, 'FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)');
- FS.init.initialized = true;
-
- FS.ensureErrnoError();
-
- // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
- Module['stdin'] = input || Module['stdin'];
- Module['stdout'] = output || Module['stdout'];
- Module['stderr'] = error || Module['stderr'];
-
- FS.createStandardStreams();
- },quit:function () {
- FS.init.initialized = false;
- // force-flush all streams, so we get musl std streams printed out
- var fflush = Module['_fflush'];
- if (fflush) fflush(0);
- // close all of our streams
- 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.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) {
- // operate from within the context of the symlink's target
- 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(path, { parent: true });
- ret.parentExists = true;
- ret.parentPath = lookup.path;
- ret.parentObject = lookup.node;
- ret.name = PATH.basename(path);
- lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
- ret.exists = true;
- ret.path = lookup.path;
- ret.object = lookup.node;
- ret.name = lookup.node.name;
- ret.isRoot = lookup.path === '/';
- } catch (e) {
- ret.error = e.errno;
- };
- return ret;
- },createFolder:function (parent, name, canRead, canWrite) {
- var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name);
- var mode = FS.getMode(canRead, canWrite);
- return FS.mkdir(path, mode);
- },createPath:function (parent, path, canRead, canWrite) {
- parent = typeof parent === 'string' ? parent : FS.getPath(parent);
- var parts = path.split('/').reverse();
- while (parts.length) {
- var part = parts.pop();
- if (!part) continue;
- var current = PATH.join2(parent, part);
- try {
- FS.mkdir(current);
- } catch (e) {
- // ignore EEXIST
- }
- parent = current;
- }
- return current;
- },createFile:function (parent, name, properties, canRead, canWrite) {
- var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name);
- var mode = FS.getMode(canRead, canWrite);
- return FS.create(path, mode);
- },createDataFile:function (parent, name, data, canRead, canWrite, canOwn) {
- var path = name ? PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name) : parent;
- var mode = FS.getMode(canRead, canWrite);
- var node = FS.create(path, mode);
- if (data) {
- if (typeof data === 'string') {
- var arr = new Array(data.length);
- for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
- data = arr;
- }
- // make sure we can write to the file
- FS.chmod(node, mode | 146);
- var stream = FS.open(node, 'w');
- FS.write(stream, data, 0, data.length, 0, canOwn);
- FS.close(stream);
- FS.chmod(node, mode);
- }
- return node;
- },createDevice:function (parent, name, input, output) {
- var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name);
- var mode = FS.getMode(!!input, !!output);
- if (!FS.createDevice.major) FS.createDevice.major = 64;
- var dev = FS.makedev(FS.createDevice.major++, 0);
- // Create a fake device that a set of stream ops to emulate
- // the old behavior.
- FS.registerDevice(dev, {
- open: function(stream) {
- stream.seekable = false;
- },
- close: function(stream) {
- // flush any pending line data
- if (output && output.buffer && output.buffer.length) {
- output(10);
- }
- },
- read: function(stream, buffer, offset, length, pos /* ignored */) {
- var bytesRead = 0;
- for (var i = 0; i < length; i++) {
- var result;
- try {
- result = input();
- } catch (e) {
- throw new FS.ErrnoError(ERRNO_CODES.EIO);
- }
- if (result === undefined && bytesRead === 0) {
- throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
- }
- 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) {
- for (var i = 0; i < length; i++) {
- try {
- output(buffer[offset+i]);
- } catch (e) {
- throw new FS.ErrnoError(ERRNO_CODES.EIO);
- }
- }
- if (length) {
- stream.node.timestamp = Date.now();
- }
- return i;
- }
- });
- return FS.mkdev(path, mode, dev);
- },createLink:function (parent, name, target, canRead, canWrite) {
- var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name);
- return FS.symlink(target, path);
- },forceLoadFile:function (obj) {
- if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
- var success = true;
- if (typeof XMLHttpRequest !== 'undefined') {
- 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.");
- } else if (Module['read']) {
- // Command-line.
- try {
- // WARNING: Can't read binary files in V8's d8 or tracemonkey's js, as
- // read() will try to parse UTF8.
- obj.contents = intArrayFromString(Module['read'](obj.url), true);
- obj.usedBytes = obj.contents.length;
- } catch (e) {
- success = false;
- }
- } else {
- throw new Error('Cannot load without read() or XMLHttpRequest.');
- }
- if (!success) ___setErrNo(ERRNO_CODES.EIO);
- return success;
- },createLazyFile:function (parent, name, url, canRead, canWrite) {
- // Lazy chunked Uint8Array (implements get and length from Uint8Array). Actual getting is abstracted away for eventual reuse.
- function LazyUint8Array() {
- this.lengthKnown = false;
- this.chunks = []; // Loaded chunks. Index is the chunk number
- }
- LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) {
- if (idx > this.length-1 || idx < 0) {
- return undefined;
- }
- var chunkOffset = idx % this.chunkSize;
- var chunkNum = (idx / this.chunkSize)|0;
- return this.getter(chunkNum)[chunkOffset];
- }
- LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
- this.getter = getter;
- }
- LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
- // Find length
- var xhr = new XMLHttpRequest();
- xhr.open('HEAD', url, false);
- xhr.send(null);
- if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
- var datalength = Number(xhr.getResponseHeader("Content-length"));
- var header;
- var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
- var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
-
- var chunkSize = 1024*1024; // Chunk size in bytes
-
- if (!hasByteServing) chunkSize = datalength;
-
- // Function to get a range from the remote URL.
- var doXHR = (function(from, to) {
- if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
- if (to > datalength-1) throw new Error("only " + datalength + " bytes available! programmer error!");
-
- // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available.
- var xhr = new XMLHttpRequest();
- xhr.open('GET', url, false);
- if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
-
- // Some hints to the browser that we want binary data.
- if (typeof Uint8Array != 'undefined') xhr.responseType = 'arraybuffer';
- if (xhr.overrideMimeType) {
- xhr.overrideMimeType('text/plain; charset=x-user-defined');
- }
-
- xhr.send(null);
- if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
- if (xhr.response !== undefined) {
- return new Uint8Array(xhr.response || []);
- } else {
- return intArrayFromString(xhr.responseText || '', true);
- }
- });
- var lazyArray = this;
- lazyArray.setDataGetter(function(chunkNum) {
- var start = chunkNum * chunkSize;
- var end = (chunkNum+1) * chunkSize - 1; // including this byte
- end = Math.min(end, datalength-1); // if datalength-1 is selected, this is the last block
- if (typeof(lazyArray.chunks[chunkNum]) === "undefined") {
- lazyArray.chunks[chunkNum] = doXHR(start, end);
- }
- if (typeof(lazyArray.chunks[chunkNum]) === "undefined") throw new Error("doXHR failed!");
- return lazyArray.chunks[chunkNum];
- });
-
- if (usesGzip || !datalength) {
- // if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length
- chunkSize = datalength = 1; // this will force getter(0)/doXHR do download the whole file
- datalength = this.getter(0).length;
- chunkSize = datalength;
- console.log("LazyFiles on gzip forces download of the whole file when length is accessed");
- }
-
- this._length = datalength;
- this._chunkSize = chunkSize;
- this.lengthKnown = true;
- }
- if (typeof XMLHttpRequest !== 'undefined') {
- if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc';
- var lazyArray = new LazyUint8Array();
- Object.defineProperties(lazyArray, {
- length: {
- get: function() {
- if(!this.lengthKnown) {
- this.cacheLength();
- }
- return this._length;
- }
- },
- chunkSize: {
- get: function() {
- if(!this.lengthKnown) {
- this.cacheLength();
- }
- return this._chunkSize;
- }
- }
- });
-
- var properties = { isDevice: false, contents: lazyArray };
- } else {
- var properties = { isDevice: false, url: url };
- }
-
- var node = FS.createFile(parent, name, properties, canRead, canWrite);
- // This is a total hack, but I want to get this lazy file code out of the
- // core of MEMFS. If we want to keep this lazy file concept I feel it should
- // be its own thin LAZYFS proxying calls to MEMFS.
- if (properties.contents) {
- node.contents = properties.contents;
- } else if (properties.url) {
- node.contents = null;
- node.url = properties.url;
- }
- // Add a function that defers querying the file size until it is asked the first time.
- Object.defineProperties(node, {
- usedBytes: {
- get: function() { return this.contents.length; }
- }
- });
- // override each stream op with one that tries to force load the lazy file first
- var stream_ops = {};
- var keys = Object.keys(node.stream_ops);
- keys.forEach(function(key) {
- var fn = node.stream_ops[key];
- stream_ops[key] = function forceLoadLazyFile() {
- if (!FS.forceLoadFile(node)) {
- throw new FS.ErrnoError(ERRNO_CODES.EIO);
- }
- return fn.apply(null, arguments);
- };
- });
- // use a custom read function
- stream_ops.read = function stream_ops_read(stream, buffer, offset, length, position) {
- if (!FS.forceLoadFile(node)) {
- throw new FS.ErrnoError(ERRNO_CODES.EIO);
- }
- var contents = stream.node.contents;
- if (position >= contents.length)
- return 0;
- var size = Math.min(contents.length - position, length);
- assert(size >= 0);
- if (contents.slice) { // normal array
- for (var i = 0; i < size; i++) {
- buffer[offset + i] = contents[position + i];
- }
- } else {
- for (var i = 0; i < size; i++) { // LazyUint8Array from sync binary XHR
- buffer[offset + i] = contents.get(position + i);
- }
- }
- return size;
- };
- node.stream_ops = stream_ops;
- return node;
- },createPreloadedFile:function (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) {
- Browser.init(); // XXX perhaps this method should move onto Browser?
- // TODO we should allow people to just pass in a complete filename instead
- // of parent and name being that we just join them anyways
- var fullname = name ? PATH.resolve(PATH.join2(parent, name)) : parent;
- var dep = getUniqueRunDependency('cp ' + fullname); // might have several active requests for the same fullname
- function processData(byteArray) {
- function finish(byteArray) {
- if (preFinish) preFinish();
- if (!dontCreateFile) {
- FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
- }
- if (onload) onload();
- removeRunDependency(dep);
- }
- var handled = false;
- Module['preloadPlugins'].forEach(function(plugin) {
- if (handled) return;
- if (plugin['canHandle'](fullname)) {
- plugin['handle'](byteArray, fullname, finish, function() {
- if (onerror) onerror();
- removeRunDependency(dep);
- });
- handled = true;
- }
- });
- if (!handled) finish(byteArray);
- }
- addRunDependency(dep);
- if (typeof url == 'string') {
- Browser.asyncLoad(url, function(byteArray) {
- processData(byteArray);
- }, onerror);
- } else {
- processData(url);
- }
- },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 (paths, onload, onerror) {
- onload = onload || function(){};
- onerror = onerror || function(){};
- var indexedDB = FS.indexedDB();
- try {
- var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
- } catch (e) {
- return onerror(e);
- }
- openRequest.onupgradeneeded = function openRequest_onupgradeneeded() {
- console.log('creating db');
- var db = openRequest.result;
- db.createObjectStore(FS.DB_STORE_NAME);
- };
- openRequest.onsuccess = function openRequest_onsuccess() {
- var db = openRequest.result;
- var transaction = db.transaction([FS.DB_STORE_NAME], 'readwrite');
- var files = transaction.objectStore(FS.DB_STORE_NAME);
- var ok = 0, fail = 0, total = paths.length;
- function finish() {
- if (fail == 0) onload(); else onerror();
- }
- paths.forEach(function(path) {
- var putRequest = files.put(FS.analyzePath(path).object.contents, path);
- putRequest.onsuccess = function putRequest_onsuccess() { ok++; if (ok + fail == total) finish() };
- putRequest.onerror = function putRequest_onerror() { fail++; if (ok + fail == total) finish() };
- });
- transaction.onerror = onerror;
- };
- openRequest.onerror = onerror;
- },loadFilesFromDB:function (paths, onload, onerror) {
- onload = onload || function(){};
- onerror = onerror || function(){};
- var indexedDB = FS.indexedDB();
- try {
- var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
- } catch (e) {
- return onerror(e);
- }
- openRequest.onupgradeneeded = onerror; // no database to load from
- openRequest.onsuccess = function openRequest_onsuccess() {
- var db = openRequest.result;
- try {
- var transaction = db.transaction([FS.DB_STORE_NAME], 'readonly');
- } catch(e) {
- onerror(e);
- return;
- }
- var files = transaction.objectStore(FS.DB_STORE_NAME);
- var ok = 0, fail = 0, total = paths.length;
- function finish() {
- if (fail == 0) onload(); else onerror();
- }
- paths.forEach(function(path) {
- var getRequest = files.get(path);
- getRequest.onsuccess = function getRequest_onsuccess() {
- if (FS.analyzePath(path).exists) {
- FS.unlink(path);
- }
- FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
- ok++;
- if (ok + fail == total) finish();
- };
- getRequest.onerror = function getRequest_onerror() { fail++; if (ok + fail == total) finish() };
- });
- transaction.onerror = onerror;
- };
- openRequest.onerror = onerror;
- }};var SYSCALLS={DEFAULT_POLLMASK:5,mappings:{},umask:511,calculateAt:function (dirfd, path) {
- if (path[0] !== '/') {
- // relative path
- var dir;
- if (dirfd === -100) {
- dir = FS.cwd();
- } else {
- var dirstream = FS.getStream(dirfd);
- if (!dirstream) throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- dir = dirstream.path;
- }
- path = PATH.join2(dir, path);
- }
- return path;
- },doStat:function (func, path, buf) {
- try {
- var stat = func(path);
- } catch (e) {
- if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) {
- // an error occurred while trying to look up the path; we should just report ENOTDIR
- return -ERRNO_CODES.ENOTDIR;
- }
- throw e;
- }
- HEAP32[((buf)>>2)]=stat.dev;
- HEAP32[(((buf)+(4))>>2)]=0;
- HEAP32[(((buf)+(8))>>2)]=stat.ino;
- HEAP32[(((buf)+(12))>>2)]=stat.mode;
- HEAP32[(((buf)+(16))>>2)]=stat.nlink;
- HEAP32[(((buf)+(20))>>2)]=stat.uid;
- HEAP32[(((buf)+(24))>>2)]=stat.gid;
- HEAP32[(((buf)+(28))>>2)]=stat.rdev;
- HEAP32[(((buf)+(32))>>2)]=0;
- HEAP32[(((buf)+(36))>>2)]=stat.size;
- HEAP32[(((buf)+(40))>>2)]=4096;
- HEAP32[(((buf)+(44))>>2)]=stat.blocks;
- HEAP32[(((buf)+(48))>>2)]=(stat.atime.getTime() / 1000)|0;
- HEAP32[(((buf)+(52))>>2)]=0;
- HEAP32[(((buf)+(56))>>2)]=(stat.mtime.getTime() / 1000)|0;
- HEAP32[(((buf)+(60))>>2)]=0;
- HEAP32[(((buf)+(64))>>2)]=(stat.ctime.getTime() / 1000)|0;
- HEAP32[(((buf)+(68))>>2)]=0;
- HEAP32[(((buf)+(72))>>2)]=stat.ino;
- return 0;
- },doMsync:function (addr, stream, len, flags) {
- var buffer = new Uint8Array(HEAPU8.subarray(addr, addr + len));
- FS.msync(stream, buffer, 0, len, flags);
- },doMkdir:function (path, mode) {
- // remove a trailing slash, if one - /a/b/ has basename of '', but
- // we want to create b in the context of this function
- path = PATH.normalize(path);
- if (path[path.length-1] === '/') path = path.substr(0, path.length-1);
- FS.mkdir(path, mode, 0);
- return 0;
- },doMknod:function (path, mode, dev) {
- // we don't want this in the JS API as it uses mknod to create all nodes.
- switch (mode & 61440) {
- case 32768:
- case 8192:
- case 24576:
- case 4096:
- case 49152:
- break;
- default: return -ERRNO_CODES.EINVAL;
- }
- FS.mknod(path, mode, dev);
- return 0;
- },doReadlink:function (path, buf, bufsize) {
- if (bufsize <= 0) return -ERRNO_CODES.EINVAL;
- var ret = FS.readlink(path);
-
- var len = Math.min(bufsize, lengthBytesUTF8(ret));
- var endChar = HEAP8[buf+len];
- stringToUTF8(ret, buf, bufsize+1);
- // readlink is one of the rare functions that write out a C string, but does never append a null to the output buffer(!)
- // stringToUTF8() always appends a null byte, so restore the character under the null byte after the write.
- HEAP8[buf+len] = endChar;
-
- return len;
- },doAccess:function (path, amode) {
- if (amode & ~7) {
- // need a valid mode
- return -ERRNO_CODES.EINVAL;
- }
- var node;
- var lookup = FS.lookupPath(path, { follow: true });
- node = lookup.node;
- var perms = '';
- if (amode & 4) perms += 'r';
- if (amode & 2) perms += 'w';
- if (amode & 1) perms += 'x';
- if (perms /* otherwise, they've just passed F_OK */ && FS.nodePermissions(node, perms)) {
- return -ERRNO_CODES.EACCES;
- }
- return 0;
- },doDup:function (path, flags, suggestFD) {
- var suggest = FS.getStream(suggestFD);
- if (suggest) FS.close(suggest);
- return FS.open(path, flags, 0, suggestFD, suggestFD).fd;
- },doReadv:function (stream, iov, iovcnt, offset) {
- var ret = 0;
- for (var i = 0; i < iovcnt; i++) {
- var ptr = HEAP32[(((iov)+(i*8))>>2)];
- var len = HEAP32[(((iov)+(i*8 + 4))>>2)];
- var curr = FS.read(stream, HEAP8,ptr, len, offset);
- if (curr < 0) return -1;
- ret += curr;
- if (curr < len) break; // nothing more to read
- }
- return ret;
- },doWritev:function (stream, iov, iovcnt, offset) {
- var ret = 0;
- for (var i = 0; i < iovcnt; i++) {
- var ptr = HEAP32[(((iov)+(i*8))>>2)];
- var len = HEAP32[(((iov)+(i*8 + 4))>>2)];
- var curr = FS.write(stream, HEAP8,ptr, len, offset);
- if (curr < 0) return -1;
- ret += curr;
- }
- return ret;
- },varargs:0,get:function (varargs) {
- SYSCALLS.varargs += 4;
- var ret = HEAP32[(((SYSCALLS.varargs)-(4))>>2)];
- return ret;
- },getStr:function () {
- var ret = Pointer_stringify(SYSCALLS.get());
- return ret;
- },getStreamFromFD:function () {
- var stream = FS.getStream(SYSCALLS.get());
- if (!stream) throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- return stream;
- },getSocketFromFD:function () {
- var socket = SOCKFS.getSocket(SYSCALLS.get());
- if (!socket) throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- return socket;
- },getSocketAddress:function (allowNull) {
- var addrp = SYSCALLS.get(), addrlen = SYSCALLS.get();
- if (allowNull && addrp === 0) return null;
- var info = __read_sockaddr(addrp, addrlen);
- if (info.errno) throw new FS.ErrnoError(info.errno);
- info.addr = DNS.lookup_addr(info.addr) || info.addr;
- return info;
- },get64:function () {
- var low = SYSCALLS.get(), high = SYSCALLS.get();
- if (low >= 0) assert(high === 0);
- else assert(high === -1);
- return low;
- },getZero:function () {
- assert(SYSCALLS.get() === 0);
- }};function ___syscall140(which, varargs) {SYSCALLS.varargs = varargs;
- try {
- // llseek
- var stream = SYSCALLS.getStreamFromFD(), offset_high = SYSCALLS.get(), offset_low = SYSCALLS.get(), result = SYSCALLS.get(), whence = SYSCALLS.get();
- // NOTE: offset_high is unused - Emscripten's off_t is 32-bit
- var offset = offset_low;
- FS.llseek(stream, offset, whence);
- HEAP32[((result)>>2)]=stream.position;
- if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; // reset readdir state
- return 0;
- } catch (e) {
- if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
- return -e.errno;
- }
- }
-
- function ___syscall145(which, varargs) {SYSCALLS.varargs = varargs;
- try {
- // readv
- var stream = SYSCALLS.getStreamFromFD(), iov = SYSCALLS.get(), iovcnt = SYSCALLS.get();
- return SYSCALLS.doReadv(stream, iov, iovcnt);
- } catch (e) {
- if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
- return -e.errno;
- }
- }
-
- function ___syscall146(which, varargs) {SYSCALLS.varargs = varargs;
- try {
- // writev
- var stream = SYSCALLS.getStreamFromFD(), iov = SYSCALLS.get(), iovcnt = SYSCALLS.get();
- return SYSCALLS.doWritev(stream, iov, iovcnt);
- } catch (e) {
- if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
- return -e.errno;
- }
- }
-
- function ___syscall221(which, varargs) {SYSCALLS.varargs = varargs;
- try {
- // fcntl64
- var stream = SYSCALLS.getStreamFromFD(), cmd = SYSCALLS.get();
- switch (cmd) {
- case 0: {
- var arg = SYSCALLS.get();
- if (arg < 0) {
- return -ERRNO_CODES.EINVAL;
- }
- var newStream;
- newStream = FS.open(stream.path, stream.flags, 0, arg);
- return newStream.fd;
- }
- case 1:
- case 2:
- return 0; // FD_CLOEXEC makes no sense for a single process.
- case 3:
- return stream.flags;
- case 4: {
- var arg = SYSCALLS.get();
- stream.flags |= arg;
- return 0;
- }
- case 12:
- case 12: {
- var arg = SYSCALLS.get();
- var offset = 0;
- // We're always unlocked.
- HEAP16[(((arg)+(offset))>>1)]=2;
- return 0;
- }
- case 13:
- case 14:
- case 13:
- case 14:
- return 0; // Pretend that the locking is successful.
- case 16:
- case 8:
- return -ERRNO_CODES.EINVAL; // These are for sockets. We don't have them fully implemented yet.
- case 9:
- // musl trusts getown return values, due to a bug where they must be, as they overlap with errors. just return -1 here, so fnctl() returns that, and we set errno ourselves.
- ___setErrNo(ERRNO_CODES.EINVAL);
- return -1;
- default: {
- return -ERRNO_CODES.EINVAL;
- }
- }
- } catch (e) {
- if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
- return -e.errno;
- }
- }
-
- function ___syscall5(which, varargs) {SYSCALLS.varargs = varargs;
- try {
- // open
- var pathname = SYSCALLS.getStr(), flags = SYSCALLS.get(), mode = SYSCALLS.get() // optional TODO
- var stream = FS.open(pathname, flags, mode);
- return stream.fd;
- } catch (e) {
- if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
- return -e.errno;
- }
- }
-
- function ___syscall54(which, varargs) {SYSCALLS.varargs = varargs;
- try {
- // ioctl
- var stream = SYSCALLS.getStreamFromFD(), op = SYSCALLS.get();
- switch (op) {
- case 21509:
- case 21505: {
- if (!stream.tty) return -ERRNO_CODES.ENOTTY;
- return 0;
- }
- case 21510:
- case 21511:
- case 21512:
- case 21506:
- case 21507:
- case 21508: {
- if (!stream.tty) return -ERRNO_CODES.ENOTTY;
- return 0; // no-op, not actually adjusting terminal settings
- }
- case 21519: {
- if (!stream.tty) return -ERRNO_CODES.ENOTTY;
- var argp = SYSCALLS.get();
- HEAP32[((argp)>>2)]=0;
- return 0;
- }
- case 21520: {
- if (!stream.tty) return -ERRNO_CODES.ENOTTY;
- return -ERRNO_CODES.EINVAL; // not supported
- }
- case 21531: {
- var argp = SYSCALLS.get();
- return FS.ioctl(stream, op, argp);
- }
- case 21523: {
- // TODO: in theory we should write to the winsize struct that gets
- // passed in, but for now musl doesn't read anything on it
- if (!stream.tty) return -ERRNO_CODES.ENOTTY;
- return 0;
- }
- case 21524: {
- // TODO: technically, this ioctl call should change the window size.
- // but, since emscripten doesn't have any concept of a terminal window
- // yet, we'll just silently throw it away as we do TIOCGWINSZ
- if (!stream.tty) return -ERRNO_CODES.ENOTTY;
- return 0;
- }
- default: abort('bad ioctl syscall ' + op);
- }
- } catch (e) {
- if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
- return -e.errno;
- }
- }
-
- function ___syscall6(which, varargs) {SYSCALLS.varargs = varargs;
- try {
- // close
- var stream = SYSCALLS.getStreamFromFD();
- FS.close(stream);
- return 0;
- } catch (e) {
- if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
- return -e.errno;
- }
- }
-
- function ___unlock() {}
-
- function _abort() {
- Module['abort']();
- }
-
- function _getenv(name) {
- // char *getenv(const char *name);
- // http://pubs.opengroup.org/onlinepubs/009695399/functions/getenv.html
- if (name === 0) return 0;
- name = Pointer_stringify(name);
- if (!ENV.hasOwnProperty(name)) return 0;
-
- if (_getenv.ret) _free(_getenv.ret);
- _getenv.ret = allocateUTF8(ENV[name]);
- return _getenv.ret;
- }
-
-
- var ___tm_current=STATICTOP; STATICTOP += 48;;
-
-
- var ___tm_timezone=allocate(intArrayFromString("GMT"), "i8", ALLOC_STATIC);function _gmtime_r(time, tmPtr) {
- var date = new Date(HEAP32[((time)>>2)]*1000);
- HEAP32[((tmPtr)>>2)]=date.getUTCSeconds();
- HEAP32[(((tmPtr)+(4))>>2)]=date.getUTCMinutes();
- HEAP32[(((tmPtr)+(8))>>2)]=date.getUTCHours();
- HEAP32[(((tmPtr)+(12))>>2)]=date.getUTCDate();
- HEAP32[(((tmPtr)+(16))>>2)]=date.getUTCMonth();
- HEAP32[(((tmPtr)+(20))>>2)]=date.getUTCFullYear()-1900;
- HEAP32[(((tmPtr)+(24))>>2)]=date.getUTCDay();
- HEAP32[(((tmPtr)+(36))>>2)]=0;
- HEAP32[(((tmPtr)+(32))>>2)]=0;
- var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
- var yday = ((date.getTime() - start) / (1000 * 60 * 60 * 24))|0;
- HEAP32[(((tmPtr)+(28))>>2)]=yday;
- HEAP32[(((tmPtr)+(40))>>2)]=___tm_timezone;
-
- return tmPtr;
- }function _gmtime(time) {
- return _gmtime_r(time, ___tm_current);
- }
-
-
-
-
- function _llvm_log10_f32(x) {
- return Math.log(x) / Math.LN10; // TODO: Math.log10, when browser support is there
- }function _llvm_log10_f64() {
- return _llvm_log10_f32.apply(null, arguments)
- }
-
-
- function _emscripten_memcpy_big(dest, src, num) {
- HEAPU8.set(HEAPU8.subarray(src, src+num), dest);
- return dest;
- }
-
-
-
-
-
-
- function _tzset() {
- // TODO: Use (malleable) environment variables instead of system settings.
- if (_tzset.called) return;
- _tzset.called = true;
-
- // timezone is specified as seconds west of UTC ("The external variable
- // `timezone` shall be set to the difference, in seconds, between
- // Coordinated Universal Time (UTC) and local standard time."), the same
- // as returned by getTimezoneOffset().
- // See http://pubs.opengroup.org/onlinepubs/009695399/functions/tzset.html
- HEAP32[((__get_timezone())>>2)]=(new Date()).getTimezoneOffset() * 60;
-
- var winter = new Date(2000, 0, 1);
- var summer = new Date(2000, 6, 1);
- HEAP32[((__get_daylight())>>2)]=Number(winter.getTimezoneOffset() != summer.getTimezoneOffset());
-
- function extractZone(date) {
- var match = date.toTimeString().match(/\(([A-Za-z ]+)\)$/);
- return match ? match[1] : "GMT";
- };
- var winterName = extractZone(winter);
- var summerName = extractZone(summer);
- var winterNamePtr = allocate(intArrayFromString(winterName), 'i8', ALLOC_NORMAL);
- var summerNamePtr = allocate(intArrayFromString(summerName), 'i8', ALLOC_NORMAL);
- if (summer.getTimezoneOffset() < winter.getTimezoneOffset()) {
- // Northern hemisphere
- HEAP32[((__get_tzname())>>2)]=winterNamePtr;
- HEAP32[(((__get_tzname())+(4))>>2)]=summerNamePtr;
- } else {
- HEAP32[((__get_tzname())>>2)]=summerNamePtr;
- HEAP32[(((__get_tzname())+(4))>>2)]=winterNamePtr;
- }
- }function _timegm(tmPtr) {
- _tzset();
- var time = Date.UTC(HEAP32[(((tmPtr)+(20))>>2)] + 1900,
- HEAP32[(((tmPtr)+(16))>>2)],
- HEAP32[(((tmPtr)+(12))>>2)],
- HEAP32[(((tmPtr)+(8))>>2)],
- HEAP32[(((tmPtr)+(4))>>2)],
- HEAP32[((tmPtr)>>2)],
- 0);
- var date = new Date(time);
-
- HEAP32[(((tmPtr)+(24))>>2)]=date.getUTCDay();
- var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
- var yday = ((date.getTime() - start) / (1000 * 60 * 60 * 24))|0;
- HEAP32[(((tmPtr)+(28))>>2)]=yday;
-
- return (date.getTime() / 1000)|0;
- }
-FS.staticInit();__ATINIT__.unshift(function() { if (!Module["noFSInit"] && !FS.init.initialized) FS.init() });__ATMAIN__.push(function() { FS.ignorePermissions = false });__ATEXIT__.push(function() { FS.quit() });;
-__ATINIT__.unshift(function() { TTY.init() });__ATEXIT__.push(function() { TTY.shutdown() });;
-if (ENVIRONMENT_IS_NODE) { var fs = require("fs"); var NODEJS_PATH = require("path"); NODEFS.staticInit(); };
-DYNAMICTOP_PTR = staticAlloc(4);
-
-STACK_BASE = STACKTOP = alignMemory(STATICTOP);
-
-STACK_MAX = STACK_BASE + TOTAL_STACK;
-
-DYNAMIC_BASE = alignMemory(STACK_MAX);
-
-HEAP32[DYNAMICTOP_PTR>>2] = DYNAMIC_BASE;
-
-staticSealed = true; // seal the static portion of memory
-
-var ASSERTIONS = false;
-
-// Copyright 2017 The Emscripten Authors. All rights reserved.
-// Emscripten is available under two separate licenses, the MIT license and the
-// University of Illinois/NCSA Open Source License. Both these licenses can be
-// found in the LICENSE file.
-
-/** @type {function(string, boolean=, number=)} */
-function intArrayFromString(stringy, dontAddNull, length) {
- var len = length > 0 ? length : lengthBytesUTF8(stringy)+1;
- var u8array = new Array(len);
- var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
- if (dontAddNull) u8array.length = numBytesWritten;
- return u8array;
-}
-
-function intArrayToString(array) {
- var ret = [];
- for (var i = 0; i < array.length; i++) {
- var chr = array[i];
- if (chr > 0xFF) {
- if (ASSERTIONS) {
- assert(false, 'Character code ' + chr + ' (' + String.fromCharCode(chr) + ') at offset ' + i + ' not in 0x00-0xFF.');
- }
- chr &= 0xFF;
- }
- ret.push(String.fromCharCode(chr));
- }
- return ret.join('');
-}
-
-
-
-Module['wasmTableSize'] = 10;
-
-Module['wasmMaxTableSize'] = 10;
-
-Module.asmGlobalArg = {};
-
-Module.asmLibraryArg = { "abort": abort, "assert": assert, "enlargeMemory": enlargeMemory, "getTotalMemory": getTotalMemory, "setTempRet0": setTempRet0, "getTempRet0": getTempRet0, "abortOnCannotGrowMemory": abortOnCannotGrowMemory, "___buildEnvironment": ___buildEnvironment, "___lock": ___lock, "___setErrNo": ___setErrNo, "___syscall140": ___syscall140, "___syscall145": ___syscall145, "___syscall146": ___syscall146, "___syscall221": ___syscall221, "___syscall5": ___syscall5, "___syscall54": ___syscall54, "___syscall6": ___syscall6, "___unlock": ___unlock, "_abort": _abort, "_emscripten_memcpy_big": _emscripten_memcpy_big, "_getenv": _getenv, "_gmtime": _gmtime, "_gmtime_r": _gmtime_r, "_llvm_log10_f32": _llvm_log10_f32, "_llvm_log10_f64": _llvm_log10_f64, "_timegm": _timegm, "_tzset": _tzset, "DYNAMICTOP_PTR": DYNAMICTOP_PTR, "tempDoublePtr": tempDoublePtr, "STACKTOP": STACKTOP, "STACK_MAX": STACK_MAX };
-// EMSCRIPTEN_START_ASM
-var asm =Module["asm"]// EMSCRIPTEN_END_ASM
-(Module.asmGlobalArg, Module.asmLibraryArg, buffer);
-
-Module["asm"] = asm;
-var ___emscripten_environ_constructor = Module["___emscripten_environ_constructor"] = function() { return Module["asm"]["___emscripten_environ_constructor"].apply(null, arguments) };
-var ___errno_location = Module["___errno_location"] = function() { return Module["asm"]["___errno_location"].apply(null, arguments) };
-var __get_daylight = Module["__get_daylight"] = function() { return Module["asm"]["__get_daylight"].apply(null, arguments) };
-var __get_environ = Module["__get_environ"] = function() { return Module["asm"]["__get_environ"].apply(null, arguments) };
-var __get_timezone = Module["__get_timezone"] = function() { return Module["asm"]["__get_timezone"].apply(null, arguments) };
-var __get_tzname = Module["__get_tzname"] = function() { return Module["asm"]["__get_tzname"].apply(null, arguments) };
-var _free = Module["_free"] = function() { return Module["asm"]["_free"].apply(null, arguments) };
-var _get = Module["_get"] = function() { return Module["asm"]["_get"].apply(null, arguments) };
-var _llvm_bswap_i32 = Module["_llvm_bswap_i32"] = function() { return Module["asm"]["_llvm_bswap_i32"].apply(null, arguments) };
-var _malloc = Module["_malloc"] = function() { return Module["asm"]["_malloc"].apply(null, arguments) };
-var _memcpy = Module["_memcpy"] = function() { return Module["asm"]["_memcpy"].apply(null, arguments) };
-var _memset = Module["_memset"] = function() { return Module["asm"]["_memset"].apply(null, arguments) };
-var _sbrk = Module["_sbrk"] = function() { return Module["asm"]["_sbrk"].apply(null, arguments) };
-var establishStackSpace = Module["establishStackSpace"] = function() { return Module["asm"]["establishStackSpace"].apply(null, arguments) };
-var setThrew = Module["setThrew"] = function() { return Module["asm"]["setThrew"].apply(null, arguments) };
-var stackAlloc = Module["stackAlloc"] = function() { return Module["asm"]["stackAlloc"].apply(null, arguments) };
-var stackRestore = Module["stackRestore"] = function() { return Module["asm"]["stackRestore"].apply(null, arguments) };
-var stackSave = Module["stackSave"] = function() { return Module["asm"]["stackSave"].apply(null, arguments) };
-var dynCall_ii = Module["dynCall_ii"] = function() { return Module["asm"]["dynCall_ii"].apply(null, arguments) };
-var dynCall_iiii = Module["dynCall_iiii"] = function() { return Module["asm"]["dynCall_iiii"].apply(null, arguments) };
-;
-
-
-
-// === Auto-generated postamble setup entry stuff ===
-
-Module['asm'] = asm;
-
-
-
-Module["ccall"] = ccall;
-Module["cwrap"] = cwrap;
-
-
-
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-
-
-/**
- * @constructor
- * @extends {Error}
- * @this {ExitStatus}
- */
-function ExitStatus(status) {
- this.name = "ExitStatus";
- this.message = "Program terminated with exit(" + status + ")";
- this.status = status;
-};
-ExitStatus.prototype = new Error();
-ExitStatus.prototype.constructor = ExitStatus;
-
-var initialStackTop;
-var calledMain = false;
-
-dependenciesFulfilled = function runCaller() {
- // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false)
- if (!Module['calledRun']) run();
- if (!Module['calledRun']) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled
-}
-
-
-
-
-
-/** @type {function(Array=)} */
-function run(args) {
- args = args || Module['arguments'];
-
- if (runDependencies > 0) {
- return;
- }
-
-
- preRun();
-
- if (runDependencies > 0) return; // a preRun added a dependency, run will be called later
- if (Module['calledRun']) return; // run may have just been called through dependencies being fulfilled just in this very frame
-
- function doRun() {
- if (Module['calledRun']) return; // run may have just been called while the async setStatus time below was happening
- Module['calledRun'] = true;
-
- if (ABORT) return;
-
- ensureInitRuntime();
-
- preMain();
-
- if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized']();
-
-
- postRun();
- }
-
- if (Module['setStatus']) {
- Module['setStatus']('Running...');
- setTimeout(function() {
- setTimeout(function() {
- Module['setStatus']('');
- }, 1);
- doRun();
- }, 1);
- } else {
- doRun();
- }
-}
-Module['run'] = run;
-
-
-function exit(status, implicit) {
-
- // if this is just main exit-ing implicitly, and the status is 0, then we
- // don't need to do anything here and can just leave. if the status is
- // non-zero, though, then we need to report it.
- // (we may have warned about this earlier, if a situation justifies doing so)
- if (implicit && Module['noExitRuntime'] && status === 0) {
- return;
- }
-
- if (Module['noExitRuntime']) {
- } else {
-
- ABORT = true;
- EXITSTATUS = status;
- STACKTOP = initialStackTop;
-
- exitRuntime();
-
- if (Module['onExit']) Module['onExit'](status);
- }
-
- Module['quit'](status, new ExitStatus(status));
-}
-
-var abortDecorators = [];
-
-function abort(what) {
- if (Module['onAbort']) {
- Module['onAbort'](what);
- }
-
- if (what !== undefined) {
- out(what);
- err(what);
- what = JSON.stringify(what)
- } else {
- what = '';
- }
-
- ABORT = true;
- EXITSTATUS = 1;
-
- throw 'abort(' + what + '). Build with -s ASSERTIONS=1 for more info.';
-}
-Module['abort'] = abort;
-
-if (Module['preInit']) {
- if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']];
- while (Module['preInit'].length > 0) {
- Module['preInit'].pop()();
- }
-}
-
-
- Module["noExitRuntime"] = true;
-
-run();
-
-
-
-
-
-// {{MODULE_ADDITIONS}}
-
-
-