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/**
* @license
* Copyright 2010 The Emscripten Authors
* SPDX-License-Identifier: MIT
*/
// === Auto-generated postamble setup entry stuff ===
{{{ exportRuntime() }}}
#if MEM_INIT_IN_WASM == 0
#if MEM_INIT_METHOD == 2
#if USE_PTHREADS
if (memoryInitializer && !ENVIRONMENT_IS_PTHREAD) (function(s) {
#else
if (memoryInitializer) (function(s) {
#endif
var i, n = s.length;
#if ASSERTIONS
n -= 4;
var crc, bit, table = new Int32Array(256);
for (i = 0; i < 256; ++i) {
for (crc = i, bit = 0; bit < 8; ++bit)
crc = (crc >>> 1) ^ ((crc & 1) * 0xedb88320);
table[i] = crc >>> 0;
}
crc = -1;
crc = table[(crc ^ n) & 0xff] ^ (crc >>> 8);
crc = table[(crc ^ (n >>> 8)) & 0xff] ^ (crc >>> 8);
for (i = 0; i < s.length; ++i) {
crc = table[(crc ^ s.charCodeAt(i)) & 0xff] ^ (crc >>> 8);
}
assert(crc === 0, "memory initializer checksum");
#endif
for (i = 0; i < n; ++i) {
HEAPU8[GLOBAL_BASE + i] = s.charCodeAt(i);
}
})(memoryInitializer);
#else
#if USE_PTHREADS
if (memoryInitializer && !ENVIRONMENT_IS_PTHREAD) {
#else
if (memoryInitializer) {
#endif
if (!isDataURI(memoryInitializer)) {
memoryInitializer = locateFile(memoryInitializer);
}
if (ENVIRONMENT_IS_NODE || ENVIRONMENT_IS_SHELL) {
var data = readBinary(memoryInitializer);
HEAPU8.set(data, GLOBAL_BASE);
} else {
addRunDependency('memory initializer');
var applyMemoryInitializer = function(data) {
if (data.byteLength) data = new Uint8Array(data);
#if ASSERTIONS
for (var i = 0; i < data.length; i++) {
assert(HEAPU8[GLOBAL_BASE + i] === 0, "area for memory initializer should not have been touched before it's loaded");
}
#endif
HEAPU8.set(data, GLOBAL_BASE);
// Delete the typed array that contains the large blob of the memory initializer request response so that
// we won't keep unnecessary memory lying around. However, keep the XHR object itself alive so that e.g.
// its .status field can still be accessed later.
if (Module['memoryInitializerRequest']) delete Module['memoryInitializerRequest'].response;
removeRunDependency('memory initializer');
};
var doBrowserLoad = function() {
readAsync(memoryInitializer, applyMemoryInitializer, function() {
var e = new Error('could not load memory initializer ' + memoryInitializer);
#if MODULARIZE
readyPromiseReject(e);
#else
throw e;
#endif
});
};
#if SUPPORT_BASE64_EMBEDDING
var memoryInitializerBytes = tryParseAsDataURI(memoryInitializer);
if (memoryInitializerBytes) {
applyMemoryInitializer(memoryInitializerBytes.buffer);
} else
#endif
if (Module['memoryInitializerRequest']) {
// a network request has already been created, just use that
var useRequest = function() {
var request = Module['memoryInitializerRequest'];
var response = request.response;
if (request.status !== 200 && request.status !== 0) {
#if SUPPORT_BASE64_EMBEDDING
var data = tryParseAsDataURI(Module['memoryInitializerRequestURL']);
if (data) {
response = data.buffer;
} else {
#endif
// If you see this warning, the issue may be that you are using locateFile and defining it in JS. That
// means that the HTML file doesn't know about it, and when it tries to create the mem init request early, does it to the wrong place.
// Look in your browser's devtools network console to see what's going on.
console.warn('a problem seems to have happened with Module.memoryInitializerRequest, status: ' + request.status + ', retrying ' + memoryInitializer);
doBrowserLoad();
return;
#if SUPPORT_BASE64_EMBEDDING
}
#endif
}
applyMemoryInitializer(response);
};
if (Module['memoryInitializerRequest'].response) {
setTimeout(useRequest, 0); // it's already here; but, apply it asynchronously
} else {
Module['memoryInitializerRequest'].addEventListener('load', useRequest); // wait for it
}
} else {
// fetch it from the network ourselves
doBrowserLoad();
}
}
}
#endif
#endif // MEM_INIT_IN_WASM == 0
var calledRun;
/**
* @constructor
* @this {ExitStatus}
*/
function ExitStatus(status) {
this.name = "ExitStatus";
this.message = "Program terminated with exit(" + status + ")";
this.status = status;
}
var calledMain = false;
#if STANDALONE_WASM && MAIN_READS_PARAMS
var mainArgs = undefined;
#endif
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 (!calledRun) run();
if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled
};
#if HAS_MAIN
function callMain(args) {
#if ASSERTIONS
assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])');
assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called');
#endif
#if STANDALONE_WASM
#if EXPECT_MAIN
var entryFunction = Module['__start'];
#else
var entryFunction = Module['__initialize'];
#endif
#else
var entryFunction = Module['_main'];
#endif
#if MAIN_MODULE
// Main modules can't tell if they have main() at compile time, since it may
// arrive from a dynamic library.
if (!entryFunction) return;
#endif
#if MAIN_READS_PARAMS
#if STANDALONE_WASM
mainArgs = [thisProgram].concat(args)
#else
args = args || [];
var argc = args.length+1;
var argv = stackAlloc((argc + 1) * {{{ Runtime.POINTER_SIZE }}});
HEAP32[argv >> 2] = allocateUTF8OnStack(thisProgram);
for (var i = 1; i < argc; i++) {
HEAP32[(argv >> 2) + i] = allocateUTF8OnStack(args[i - 1]);
}
HEAP32[(argv >> 2) + argc] = 0;
#endif // STANDALONE_WASM
#else
var argc = 0;
var argv = 0;
#endif // MAIN_READS_PARAMS
try {
#if BENCHMARK
var start = Date.now();
#endif
#if ABORT_ON_WASM_EXCEPTIONS
// See abortWrapperDepth in preamble.js!
abortWrapperDepth += 2;
#endif
#if PROXY_TO_PTHREAD
// User requested the PROXY_TO_PTHREAD option, so call a stub main which pthread_create()s a new thread
// that will call the user's real main() for the application.
var ret = Module['_proxy_main'](argc, argv);
#else
#if STANDALONE_WASM
entryFunction();
// _start (in crt1.c) will call exit() if main return non-zero. So we know
// that if we get here main returned zero.
var ret = 0;
#else
var ret = entryFunction(argc, argv);
#endif // STANDALONE_WASM
#endif // PROXY_TO_PTHREAD
#if BENCHMARK
Module.realPrint('main() took ' + (Date.now() - start) + ' milliseconds');
#endif
// In PROXY_TO_PTHREAD builds, we should never exit the runtime below, as execution is asynchronously handed
// off to a pthread.
#if !PROXY_TO_PTHREAD
#if ASYNCIFY
// if we are saving the stack, then do not call exit, we are not
// really exiting now, just unwinding the JS stack
if (!noExitRuntime) {
#endif // ASYNCIFY
// if we're not running an evented main loop, it's time to exit
exit(ret, /* implicit = */ true);
#if ASYNCIFY
}
#endif // ASYNCIFY
}
catch(e) {
if (e instanceof ExitStatus) {
// exit() throws this once it's done to make sure execution
// has been stopped completely
return;
} else if (e == 'unwind') {
// running an evented main loop, don't immediately exit
noExitRuntime = true;
return;
} else {
var toLog = e;
if (e && typeof e === 'object' && e.stack) {
toLog = [e, e.stack];
}
err('exception thrown: ' + toLog);
quit_(1, e);
}
#endif // !PROXY_TO_PTHREAD
} finally {
calledMain = true;
#if ABORT_ON_WASM_EXCEPTIONS
// See abortWrapperDepth in preamble.js!
abortWrapperDepth -= 2;
#endif
}
}
#endif // HAS_MAIN
{{GLOBAL_VARS}}
/** @type {function(Array=)} */
function run(args) {
args = args || arguments_;
if (runDependencies > 0) {
#if RUNTIME_LOGGING
err('run() called, but dependencies remain, so not running');
#endif
return;
}
#if STACK_OVERFLOW_CHECK
writeStackCookie();
#endif
preRun();
if (runDependencies > 0) return; // a preRun added a dependency, run will be called later
function doRun() {
// run may have just been called through dependencies being fulfilled just in this very frame,
// or while the async setStatus time below was happening
if (calledRun) return;
calledRun = true;
Module['calledRun'] = true;
if (ABORT) return;
initRuntime();
preMain();
#if MODULARIZE
readyPromiseResolve(Module);
#endif
#if expectToReceiveOnModule('onRuntimeInitialized')
if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized']();
#endif
#if HAS_MAIN
if (shouldRunNow) callMain(args);
#else
#if ASSERTIONS
assert(!Module['_main'], 'compiled without a main, but one is present. if you added it from JS, use Module["onRuntimeInitialized"]');
#endif // ASSERTIONS
#endif // HAS_MAIN
postRun();
}
#if expectToReceiveOnModule('setStatus')
if (Module['setStatus']) {
Module['setStatus']('Running...');
setTimeout(function() {
setTimeout(function() {
Module['setStatus']('');
}, 1);
doRun();
}, 1);
} else
#endif
{
doRun();
}
#if STACK_OVERFLOW_CHECK
checkStackCookie();
#endif
}
Module['run'] = run;
#if ASSERTIONS
#if EXIT_RUNTIME == 0
function checkUnflushedContent() {
// Compiler settings do not allow exiting the runtime, so flushing
// the streams is not possible. but in ASSERTIONS mode we check
// if there was something to flush, and if so tell the user they
// should request that the runtime be exitable.
// Normally we would not even include flush() at all, but in ASSERTIONS
// builds we do so just for this check, and here we see if there is any
// content to flush, that is, we check if there would have been
// something a non-ASSERTIONS build would have not seen.
// How we flush the streams depends on whether we are in SYSCALLS_REQUIRE_FILESYSTEM=0
// mode (which has its own special function for this; otherwise, all
// the code is inside libc)
var print = out;
var printErr = err;
var has = false;
out = err = function(x) {
has = true;
}
try { // it doesn't matter if it fails
#if SYSCALLS_REQUIRE_FILESYSTEM == 0
var flush = {{{ '$flush_NO_FILESYSTEM' in addedLibraryItems ? 'flush_NO_FILESYSTEM' : 'null' }}};
if (flush) flush();
#else
var flush = Module['_fflush'];
if (flush) flush(0);
#endif
#if '$FS' in addedLibraryItems && '$TTY' in addedLibraryItems
// also flush in the JS FS layer
['stdout', 'stderr'].forEach(function(name) {
var info = FS.analyzePath('/dev/' + name);
if (!info) return;
var stream = info.object;
var rdev = stream.rdev;
var tty = TTY.ttys[rdev];
if (tty && tty.output && tty.output.length) {
has = true;
}
});
#endif
} catch(e) {}
out = print;
err = printErr;
if (has) {
warnOnce('stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the FAQ), or make sure to emit a newline when you printf etc.');
#if FILESYSTEM == 0 || SYSCALLS_REQUIRE_FILESYSTEM == 0
warnOnce('(this may also be due to not including full filesystem support - try building with -s FORCE_FILESYSTEM=1)');
#endif
}
}
#endif // EXIT_RUNTIME
#endif // ASSERTIONS
/** @param {boolean|number=} implicit */
function exit(status, implicit) {
#if ASSERTIONS
#if EXIT_RUNTIME == 0
checkUnflushedContent();
#endif // EXIT_RUNTIME
#endif // ASSERTIONS
// 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 && noExitRuntime && status === 0) {
return;
}
if (noExitRuntime) {
#if ASSERTIONS
// if exit() was called, we may warn the user if the runtime isn't actually being shut down
if (!implicit) {
#if EXIT_RUNTIME == 0
var msg = 'program exited (with status: ' + status + '), but EXIT_RUNTIME is not set, so halting execution but not exiting the runtime or preventing further async execution (build with EXIT_RUNTIME=1, if you want a true shutdown)';
#if MODULARIZE
readyPromiseReject(msg);
#endif // MODULARIZE
err(msg);
#else
var msg = 'program exited (with status: ' + status + '), but noExitRuntime is set due to an async operation, so halting execution but not exiting the runtime or preventing further async execution (you can use emscripten_force_exit, if you want to force a true shutdown)';
#if MODULARIZE
readyPromiseReject(msg);
#endif // MODULARIZE
err(msg);
#endif // EXIT_RUNTIME
}
#endif // ASSERTIONS
} else {
#if USE_PTHREADS
PThread.terminateAllThreads();
#endif
EXITSTATUS = status;
exitRuntime();
#if expectToReceiveOnModule('onExit')
if (Module['onExit']) Module['onExit'](status);
#endif
ABORT = true;
}
quit_(status, new ExitStatus(status));
}
#if expectToReceiveOnModule('preInit')
if (Module['preInit']) {
if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']];
while (Module['preInit'].length > 0) {
Module['preInit'].pop()();
}
}
#endif
#if HAS_MAIN
// shouldRunNow refers to calling main(), not run().
#if INVOKE_RUN
var shouldRunNow = true;
#else
var shouldRunNow = false;
#endif
#if expectToReceiveOnModule('noInitialRun')
if (Module['noInitialRun']) shouldRunNow = false;
#endif
#endif // HAS_MAIN
#if EXIT_RUNTIME == 0
#if USE_PTHREADS
if (!ENVIRONMENT_IS_PTHREAD) // EXIT_RUNTIME=0 only applies to default behavior of the main browser thread
#endif
noExitRuntime = true;
#endif
#if USE_PTHREADS
if (!ENVIRONMENT_IS_PTHREAD) {
run();
} else {
#if EMBIND
// Embind must initialize itself on all threads, as it generates support JS.
Module['___embind_register_native_and_builtin_types']();
#endif // EMBIND
#if MODULARIZE
// The promise resolve function typically gets called as part of the execution
// of the Module `run`. The workers/pthreads don't execute `run` here, they
// call `run` in response to a message at a later time, so the creation
// promise can be resolved, marking the pthread-Module as initialized.
readyPromiseResolve(Module);
#endif // MODULARIZE
}
#else
run();
#endif // USE_PTHREADS
#if BUILD_AS_WORKER
var workerResponded = false, workerCallbackId = -1;
(function() {
var messageBuffer = null, buffer = 0, bufferSize = 0;
function flushMessages() {
if (!messageBuffer) return;
if (runtimeInitialized) {
var temp = messageBuffer;
messageBuffer = null;
temp.forEach(function(message) {
onmessage(message);
});
}
}
function messageResender() {
flushMessages();
if (messageBuffer) {
setTimeout(messageResender, 100); // still more to do
}
}
onmessage = function onmessage(msg) {
// if main has not yet been called (mem init file, other async things), buffer messages
if (!runtimeInitialized) {
if (!messageBuffer) {
messageBuffer = [];
setTimeout(messageResender, 100);
}
messageBuffer.push(msg);
return;
}
flushMessages();
var func = Module['_' + msg.data['funcName']];
if (!func) throw 'invalid worker function to call: ' + msg.data['funcName'];
var data = msg.data['data'];
if (data) {
if (!data.byteLength) data = new Uint8Array(data);
if (!buffer || bufferSize < data.length) {
if (buffer) _free(buffer);
bufferSize = data.length;
buffer = _malloc(data.length);
}
HEAPU8.set(data, buffer);
}
workerResponded = false;
workerCallbackId = msg.data['callbackId'];
if (data) {
func(buffer, data.length);
} else {
func(0, 0);
}
}
})();
#endif
#if STANDALONE_WASM && ASSERTIONS && !WASM_BIGINT
err('warning: running JS from STANDALONE_WASM without WASM_BIGINT will fail if a syscall with i64 is used (in standalone mode we cannot legalize syscalls)');
#endif