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CloudProxyPro/node_modules/@tybys/wasm-util/dist/wasm-util.esm.js
doget 4f11174b2b 0.0.1
2025-09-05 14:59:21 +08:00

2742 lines
120 KiB
JavaScript
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const _WebAssembly = typeof WebAssembly !== 'undefined'
? WebAssembly
: typeof WXWebAssembly !== 'undefined'
? WXWebAssembly
: undefined;
if (!_WebAssembly) {
throw new Error('WebAssembly is not supported in this environment');
}
/* eslint-disable spaced-comment */
function validateObject(value, name) {
if (value === null || typeof value !== 'object') {
throw new TypeError(`${name} must be an object. Received ${value === null ? 'null' : typeof value}`);
}
}
function validateArray(value, name) {
if (!Array.isArray(value)) {
throw new TypeError(`${name} must be an array. Received ${value === null ? 'null' : typeof value}`);
}
}
function validateBoolean(value, name) {
if (typeof value !== 'boolean') {
throw new TypeError(`${name} must be a boolean. Received ${value === null ? 'null' : typeof value}`);
}
}
function validateString(value, name) {
if (typeof value !== 'string') {
throw new TypeError(`${name} must be a string. Received ${value === null ? 'null' : typeof value}`);
}
}
function validateFunction(value, name) {
if (typeof value !== 'function') {
throw new TypeError(`${name} must be a function. Received ${value === null ? 'null' : typeof value}`);
}
}
function validateUndefined(value, name) {
if (value !== undefined) {
throw new TypeError(`${name} must be undefined. Received ${value === null ? 'null' : typeof value}`);
}
}
function isPromiseLike(obj) {
return !!(obj && (typeof obj === 'object' || typeof obj === 'function') && typeof obj.then === 'function');
}
function wrapInstanceExports(exports, mapFn) {
const newExports = Object.create(null);
Object.keys(exports).forEach(name => {
const exportValue = exports[name];
Object.defineProperty(newExports, name, {
enumerable: true,
value: mapFn(exportValue, name)
});
});
return newExports;
}
function sleepBreakIf(delay, breakIf) {
const start = Date.now();
const end = start + delay;
let ret = false;
while (Date.now() < end) {
if (breakIf()) {
ret = true;
break;
}
}
return ret;
}
function unsharedSlice(view, start, end) {
return ((typeof SharedArrayBuffer === 'function' && view.buffer instanceof SharedArrayBuffer) || (Object.prototype.toString.call(view.buffer.constructor) === '[object SharedArrayBuffer]'))
? view.slice(start, end)
: view.subarray(start, end);
}
const ignoreNames = [
'asyncify_get_state',
'asyncify_start_rewind',
'asyncify_start_unwind',
'asyncify_stop_rewind',
'asyncify_stop_unwind'
];
function tryAllocate(instance, wasm64, size, mallocName) {
if (typeof instance.exports[mallocName] !== 'function' || size <= 0) {
return {
wasm64,
dataPtr: 16,
start: wasm64 ? 32 : 24,
end: 1024
};
}
const malloc = instance.exports[mallocName];
const dataPtr = wasm64 ? Number(malloc(BigInt(16) + BigInt(size))) : malloc(8 + size);
if (dataPtr === 0) {
throw new Error('Allocate asyncify data failed');
}
return wasm64
? { wasm64, dataPtr, start: dataPtr + 16, end: dataPtr + 16 + size }
: { wasm64, dataPtr, start: dataPtr + 8, end: dataPtr + 8 + size };
}
/** @public */
class Asyncify {
constructor() {
this.value = undefined;
this.exports = undefined;
this.dataPtr = 0;
}
init(memory, instance, options) {
var _a, _b;
if (this.exports) {
throw new Error('Asyncify has been initialized');
}
if (!(memory instanceof _WebAssembly.Memory)) {
throw new TypeError('Require WebAssembly.Memory object');
}
const exports = instance.exports;
for (let i = 0; i < ignoreNames.length; ++i) {
if (typeof exports[ignoreNames[i]] !== 'function') {
throw new TypeError('Invalid asyncify wasm');
}
}
let address;
const wasm64 = Boolean(options.wasm64);
if (!options.tryAllocate) {
address = {
wasm64,
dataPtr: 16,
start: wasm64 ? 32 : 24,
end: 1024
};
}
else {
if (options.tryAllocate === true) {
address = tryAllocate(instance, wasm64, 4096, 'malloc');
}
else {
address = tryAllocate(instance, wasm64, (_a = options.tryAllocate.size) !== null && _a !== void 0 ? _a : 4096, (_b = options.tryAllocate.name) !== null && _b !== void 0 ? _b : 'malloc');
}
}
this.dataPtr = address.dataPtr;
if (wasm64) {
new BigInt64Array(memory.buffer, this.dataPtr).set([BigInt(address.start), BigInt(address.end)]);
}
else {
new Int32Array(memory.buffer, this.dataPtr).set([address.start, address.end]);
}
this.exports = this.wrapExports(exports, options.wrapExports);
const asyncifiedInstance = Object.create(_WebAssembly.Instance.prototype);
Object.defineProperty(asyncifiedInstance, 'exports', { value: this.exports });
// Object.setPrototypeOf(instance, Instance.prototype)
return asyncifiedInstance;
}
assertState() {
if (this.exports.asyncify_get_state() !== 0 /* AsyncifyState.NONE */) {
throw new Error('Asyncify state error');
}
}
wrapImportFunction(f) {
// eslint-disable-next-line @typescript-eslint/no-this-alias
const _this = this;
return (function () {
// eslint-disable-next-line no-unreachable-loop
while (_this.exports.asyncify_get_state() === 2 /* AsyncifyState.REWINDING */) {
_this.exports.asyncify_stop_rewind();
return _this.value;
}
_this.assertState();
const v = f.apply(this, arguments);
if (!isPromiseLike(v))
return v;
_this.exports.asyncify_start_unwind(_this.dataPtr);
_this.value = v;
});
}
wrapImports(imports) {
const importObject = {};
Object.keys(imports).forEach(k => {
const mod = imports[k];
const newModule = {};
Object.keys(mod).forEach(name => {
const importValue = mod[name];
if (typeof importValue === 'function') {
newModule[name] = this.wrapImportFunction(importValue);
}
else {
newModule[name] = importValue;
}
});
importObject[k] = newModule;
});
return importObject;
}
wrapExportFunction(f) {
// eslint-disable-next-line @typescript-eslint/no-this-alias
const _this = this;
return (async function () {
_this.assertState();
let ret = f.apply(this, arguments);
while (_this.exports.asyncify_get_state() === 1 /* AsyncifyState.UNWINDING */) {
_this.exports.asyncify_stop_unwind();
_this.value = await _this.value;
_this.assertState();
_this.exports.asyncify_start_rewind(_this.dataPtr);
ret = f.call(this);
}
_this.assertState();
return ret;
});
}
wrapExports(exports, needWrap) {
return wrapInstanceExports(exports, (exportValue, name) => {
let ignore = ignoreNames.indexOf(name) !== -1 || typeof exportValue !== 'function';
if (Array.isArray(needWrap)) {
ignore = ignore || (needWrap.indexOf(name) === -1);
}
return ignore ? exportValue : this.wrapExportFunction(exportValue);
});
}
}
function validateImports(imports) {
if (imports && typeof imports !== 'object') {
throw new TypeError('imports must be an object or undefined');
}
}
function fetchWasm(urlOrBuffer, imports) {
if (typeof wx !== 'undefined' && typeof __wxConfig !== 'undefined') {
return _WebAssembly.instantiate(urlOrBuffer, imports);
}
return fetch(urlOrBuffer)
.then(response => response.arrayBuffer())
.then(buffer => _WebAssembly.instantiate(buffer, imports));
}
/** @public */
function load(wasmInput, imports) {
validateImports(imports);
imports = imports !== null && imports !== void 0 ? imports : {};
let source;
if (wasmInput instanceof ArrayBuffer || ArrayBuffer.isView(wasmInput)) {
return _WebAssembly.instantiate(wasmInput, imports);
}
if (wasmInput instanceof _WebAssembly.Module) {
return _WebAssembly.instantiate(wasmInput, imports).then((instance) => {
return { instance, module: wasmInput };
});
}
if (typeof wasmInput !== 'string' && !(wasmInput instanceof URL)) {
throw new TypeError('Invalid source');
}
if (typeof _WebAssembly.instantiateStreaming === 'function') {
let responsePromise;
try {
responsePromise = fetch(wasmInput);
source = _WebAssembly.instantiateStreaming(responsePromise, imports).catch(() => {
return fetchWasm(wasmInput, imports);
});
}
catch (_) {
source = fetchWasm(wasmInput, imports);
}
}
else {
source = fetchWasm(wasmInput, imports);
}
return source;
}
/** @public */
function asyncifyLoad(asyncify, urlOrBuffer, imports) {
validateImports(imports);
imports = imports !== null && imports !== void 0 ? imports : {};
const asyncifyHelper = new Asyncify();
imports = asyncifyHelper.wrapImports(imports);
return load(urlOrBuffer, imports).then(source => {
var _a;
const memory = source.instance.exports.memory || ((_a = imports.env) === null || _a === void 0 ? void 0 : _a.memory);
return { module: source.module, instance: asyncifyHelper.init(memory, source.instance, asyncify) };
});
}
/** @public */
function loadSync(wasmInput, imports) {
validateImports(imports);
imports = imports !== null && imports !== void 0 ? imports : {};
let module;
if ((wasmInput instanceof ArrayBuffer) || ArrayBuffer.isView(wasmInput)) {
module = new _WebAssembly.Module(wasmInput);
}
else if (wasmInput instanceof WebAssembly.Module) {
module = wasmInput;
}
else {
throw new TypeError('Invalid source');
}
const instance = new _WebAssembly.Instance(module, imports);
const source = { instance, module };
return source;
}
/** @public */
function asyncifyLoadSync(asyncify, buffer, imports) {
var _a;
validateImports(imports);
imports = imports !== null && imports !== void 0 ? imports : {};
const asyncifyHelper = new Asyncify();
imports = asyncifyHelper.wrapImports(imports);
const source = loadSync(buffer, imports);
const memory = source.instance.exports.memory || ((_a = imports.env) === null || _a === void 0 ? void 0 : _a.memory);
return { module: source.module, instance: asyncifyHelper.init(memory, source.instance, asyncify) };
}
const CHAR_DOT = 46; /* . */
const CHAR_FORWARD_SLASH = 47; /* / */
function isPosixPathSeparator(code) {
return code === CHAR_FORWARD_SLASH;
}
function normalizeString(path, allowAboveRoot, separator, isPathSeparator) {
let res = '';
let lastSegmentLength = 0;
let lastSlash = -1;
let dots = 0;
let code = 0;
for (let i = 0; i <= path.length; ++i) {
if (i < path.length) {
code = path.charCodeAt(i);
}
else if (isPathSeparator(code)) {
break;
}
else {
code = CHAR_FORWARD_SLASH;
}
if (isPathSeparator(code)) {
if (lastSlash === i - 1 || dots === 1) ;
else if (dots === 2) {
if (res.length < 2 || lastSegmentLength !== 2 ||
res.charCodeAt(res.length - 1) !== CHAR_DOT ||
res.charCodeAt(res.length - 2) !== CHAR_DOT) {
if (res.length > 2) {
const lastSlashIndex = res.indexOf(separator);
if (lastSlashIndex === -1) {
res = '';
lastSegmentLength = 0;
}
else {
res = res.slice(0, lastSlashIndex);
lastSegmentLength =
res.length - 1 - res.indexOf(separator);
}
lastSlash = i;
dots = 0;
continue;
}
else if (res.length !== 0) {
res = '';
lastSegmentLength = 0;
lastSlash = i;
dots = 0;
continue;
}
}
if (allowAboveRoot) {
res += res.length > 0 ? `${separator}..` : '..';
lastSegmentLength = 2;
}
}
else {
if (res.length > 0) {
res += `${separator}${path.slice(lastSlash + 1, i)}`;
}
else {
res = path.slice(lastSlash + 1, i);
}
lastSegmentLength = i - lastSlash - 1;
}
lastSlash = i;
dots = 0;
}
else if (code === CHAR_DOT && dots !== -1) {
++dots;
}
else {
dots = -1;
}
}
return res;
}
function resolve(...args) {
let resolvedPath = '';
let resolvedAbsolute = false;
for (let i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) {
const path = i >= 0 ? args[i] : '/';
validateString(path, 'path');
// Skip empty entries
if (path.length === 0) {
continue;
}
resolvedPath = `${path}/${resolvedPath}`;
resolvedAbsolute = path.charCodeAt(0) === CHAR_FORWARD_SLASH;
}
// 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)
// Normalize the path
resolvedPath = normalizeString(resolvedPath, !resolvedAbsolute, '/', isPosixPathSeparator);
if (resolvedAbsolute) {
return `/${resolvedPath}`;
}
return resolvedPath.length > 0 ? resolvedPath : '.';
}
const FD_DATASYNC = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(0));
const FD_READ = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(1));
const FD_SEEK = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(2));
const FD_FDSTAT_SET_FLAGS = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(3));
const FD_SYNC = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(4));
const FD_TELL = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(5));
const FD_WRITE = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(6));
const FD_ADVISE = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(7));
const FD_ALLOCATE = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(8));
const PATH_CREATE_DIRECTORY = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(9));
const PATH_CREATE_FILE = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(10));
const PATH_LINK_SOURCE = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(11));
const PATH_LINK_TARGET = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(12));
const PATH_OPEN = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(13));
const FD_READDIR = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(14));
const PATH_READLINK = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(15));
const PATH_RENAME_SOURCE = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(16));
const PATH_RENAME_TARGET = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(17));
const PATH_FILESTAT_GET = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(18));
const PATH_FILESTAT_SET_SIZE = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(19));
const PATH_FILESTAT_SET_TIMES = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(20));
const FD_FILESTAT_GET = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(21));
const FD_FILESTAT_SET_SIZE = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(22));
const FD_FILESTAT_SET_TIMES = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(23));
const PATH_SYMLINK = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(24));
const PATH_REMOVE_DIRECTORY = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(25));
const PATH_UNLINK_FILE = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(26));
const POLL_FD_READWRITE = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(27));
const SOCK_SHUTDOWN = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(28));
const SOCK_ACCEPT = ( /*#__PURE__*/BigInt(1) << /*#__PURE__*/ BigInt(29));
const WasiRights = {
FD_DATASYNC,
FD_READ,
FD_SEEK,
FD_FDSTAT_SET_FLAGS,
FD_SYNC,
FD_TELL,
FD_WRITE,
FD_ADVISE,
FD_ALLOCATE,
PATH_CREATE_DIRECTORY,
PATH_CREATE_FILE,
PATH_LINK_SOURCE,
PATH_LINK_TARGET,
PATH_OPEN,
FD_READDIR,
PATH_READLINK,
PATH_RENAME_SOURCE,
PATH_RENAME_TARGET,
PATH_FILESTAT_GET,
PATH_FILESTAT_SET_SIZE,
PATH_FILESTAT_SET_TIMES,
FD_FILESTAT_GET,
FD_FILESTAT_SET_SIZE,
FD_FILESTAT_SET_TIMES,
PATH_SYMLINK,
PATH_REMOVE_DIRECTORY,
PATH_UNLINK_FILE,
POLL_FD_READWRITE,
SOCK_SHUTDOWN,
SOCK_ACCEPT
};
function strerror(errno) {
switch (errno) {
case 0 /* WasiErrno.ESUCCESS */: return 'Success';
case 1 /* WasiErrno.E2BIG */: return 'Argument list too long';
case 2 /* WasiErrno.EACCES */: return 'Permission denied';
case 3 /* WasiErrno.EADDRINUSE */: return 'Address in use';
case 4 /* WasiErrno.EADDRNOTAVAIL */: return 'Address not available';
case 5 /* WasiErrno.EAFNOSUPPORT */: return 'Address family not supported by protocol';
case 6 /* WasiErrno.EAGAIN */: return 'Resource temporarily unavailable';
case 7 /* WasiErrno.EALREADY */: return 'Operation already in progress';
case 8 /* WasiErrno.EBADF */: return 'Bad file descriptor';
case 9 /* WasiErrno.EBADMSG */: return 'Bad message';
case 10 /* WasiErrno.EBUSY */: return 'Resource busy';
case 11 /* WasiErrno.ECANCELED */: return 'Operation canceled';
case 12 /* WasiErrno.ECHILD */: return 'No child process';
case 13 /* WasiErrno.ECONNABORTED */: return 'Connection aborted';
case 14 /* WasiErrno.ECONNREFUSED */: return 'Connection refused';
case 15 /* WasiErrno.ECONNRESET */: return 'Connection reset by peer';
case 16 /* WasiErrno.EDEADLK */: return 'Resource deadlock would occur';
case 17 /* WasiErrno.EDESTADDRREQ */: return 'Destination address required';
case 18 /* WasiErrno.EDOM */: return 'Domain error';
case 19 /* WasiErrno.EDQUOT */: return 'Quota exceeded';
case 20 /* WasiErrno.EEXIST */: return 'File exists';
case 21 /* WasiErrno.EFAULT */: return 'Bad address';
case 22 /* WasiErrno.EFBIG */: return 'File too large';
case 23 /* WasiErrno.EHOSTUNREACH */: return 'Host is unreachable';
case 24 /* WasiErrno.EIDRM */: return 'Identifier removed';
case 25 /* WasiErrno.EILSEQ */: return 'Illegal byte sequence';
case 26 /* WasiErrno.EINPROGRESS */: return 'Operation in progress';
case 27 /* WasiErrno.EINTR */: return 'Interrupted system call';
case 28 /* WasiErrno.EINVAL */: return 'Invalid argument';
case 29 /* WasiErrno.EIO */: return 'I/O error';
case 30 /* WasiErrno.EISCONN */: return 'Socket is connected';
case 31 /* WasiErrno.EISDIR */: return 'Is a directory';
case 32 /* WasiErrno.ELOOP */: return 'Symbolic link loop';
case 33 /* WasiErrno.EMFILE */: return 'No file descriptors available';
case 34 /* WasiErrno.EMLINK */: return 'Too many links';
case 35 /* WasiErrno.EMSGSIZE */: return 'Message too large';
case 36 /* WasiErrno.EMULTIHOP */: return 'Multihop attempted';
case 37 /* WasiErrno.ENAMETOOLONG */: return 'Filename too long';
case 38 /* WasiErrno.ENETDOWN */: return 'Network is down';
case 39 /* WasiErrno.ENETRESET */: return 'Connection reset by network';
case 40 /* WasiErrno.ENETUNREACH */: return 'Network unreachable';
case 41 /* WasiErrno.ENFILE */: return 'Too many files open in system';
case 42 /* WasiErrno.ENOBUFS */: return 'No buffer space available';
case 43 /* WasiErrno.ENODEV */: return 'No such device';
case 44 /* WasiErrno.ENOENT */: return 'No such file or directory';
case 45 /* WasiErrno.ENOEXEC */: return 'Exec format error';
case 46 /* WasiErrno.ENOLCK */: return 'No locks available';
case 47 /* WasiErrno.ENOLINK */: return 'Link has been severed';
case 48 /* WasiErrno.ENOMEM */: return 'Out of memory';
case 49 /* WasiErrno.ENOMSG */: return 'No message of the desired type';
case 50 /* WasiErrno.ENOPROTOOPT */: return 'Protocol not available';
case 51 /* WasiErrno.ENOSPC */: return 'No space left on device';
case 52 /* WasiErrno.ENOSYS */: return 'Function not implemented';
case 53 /* WasiErrno.ENOTCONN */: return 'Socket not connected';
case 54 /* WasiErrno.ENOTDIR */: return 'Not a directory';
case 55 /* WasiErrno.ENOTEMPTY */: return 'Directory not empty';
case 56 /* WasiErrno.ENOTRECOVERABLE */: return 'State not recoverable';
case 57 /* WasiErrno.ENOTSOCK */: return 'Not a socket';
case 58 /* WasiErrno.ENOTSUP */: return 'Not supported';
case 59 /* WasiErrno.ENOTTY */: return 'Not a tty';
case 60 /* WasiErrno.ENXIO */: return 'No such device or address';
case 61 /* WasiErrno.EOVERFLOW */: return 'Value too large for data type';
case 62 /* WasiErrno.EOWNERDEAD */: return 'Previous owner died';
case 63 /* WasiErrno.EPERM */: return 'Operation not permitted';
case 64 /* WasiErrno.EPIPE */: return 'Broken pipe';
case 65 /* WasiErrno.EPROTO */: return 'Protocol error';
case 66 /* WasiErrno.EPROTONOSUPPORT */: return 'Protocol not supported';
case 67 /* WasiErrno.EPROTOTYPE */: return 'Protocol wrong type for socket';
case 68 /* WasiErrno.ERANGE */: return 'Result not representable';
case 69 /* WasiErrno.EROFS */: return 'Read-only file system';
case 70 /* WasiErrno.ESPIPE */: return 'Invalid seek';
case 71 /* WasiErrno.ESRCH */: return 'No such process';
case 72 /* WasiErrno.ESTALE */: return 'Stale file handle';
case 73 /* WasiErrno.ETIMEDOUT */: return 'Operation timed out';
case 74 /* WasiErrno.ETXTBSY */: return 'Text file busy';
case 75 /* WasiErrno.EXDEV */: return 'Cross-device link';
case 76 /* WasiErrno.ENOTCAPABLE */: return 'Capabilities insufficient';
default: return 'Unknown error';
}
}
class WasiError extends Error {
constructor(message, errno) {
super(message);
this.errno = errno;
}
getErrorMessage() {
return strerror(this.errno);
}
}
Object.defineProperty(WasiError.prototype, 'name', {
configurable: true,
writable: true,
value: 'WasiError'
});
const RIGHTS_ALL = WasiRights.FD_DATASYNC |
WasiRights.FD_READ |
WasiRights.FD_SEEK |
WasiRights.FD_FDSTAT_SET_FLAGS |
WasiRights.FD_SYNC |
WasiRights.FD_TELL |
WasiRights.FD_WRITE |
WasiRights.FD_ADVISE |
WasiRights.FD_ALLOCATE |
WasiRights.PATH_CREATE_DIRECTORY |
WasiRights.PATH_CREATE_FILE |
WasiRights.PATH_LINK_SOURCE |
WasiRights.PATH_LINK_TARGET |
WasiRights.PATH_OPEN |
WasiRights.FD_READDIR |
WasiRights.PATH_READLINK |
WasiRights.PATH_RENAME_SOURCE |
WasiRights.PATH_RENAME_TARGET |
WasiRights.PATH_FILESTAT_GET |
WasiRights.PATH_FILESTAT_SET_SIZE |
WasiRights.PATH_FILESTAT_SET_TIMES |
WasiRights.FD_FILESTAT_GET |
WasiRights.FD_FILESTAT_SET_TIMES |
WasiRights.FD_FILESTAT_SET_SIZE |
WasiRights.PATH_SYMLINK |
WasiRights.PATH_UNLINK_FILE |
WasiRights.PATH_REMOVE_DIRECTORY |
WasiRights.POLL_FD_READWRITE |
WasiRights.SOCK_SHUTDOWN |
WasiRights.SOCK_ACCEPT;
const BLOCK_DEVICE_BASE = RIGHTS_ALL;
const BLOCK_DEVICE_INHERITING = RIGHTS_ALL;
const CHARACTER_DEVICE_BASE = RIGHTS_ALL;
const CHARACTER_DEVICE_INHERITING = RIGHTS_ALL;
const REGULAR_FILE_BASE = WasiRights.FD_DATASYNC |
WasiRights.FD_READ |
WasiRights.FD_SEEK |
WasiRights.FD_FDSTAT_SET_FLAGS |
WasiRights.FD_SYNC |
WasiRights.FD_TELL |
WasiRights.FD_WRITE |
WasiRights.FD_ADVISE |
WasiRights.FD_ALLOCATE |
WasiRights.FD_FILESTAT_GET |
WasiRights.FD_FILESTAT_SET_SIZE |
WasiRights.FD_FILESTAT_SET_TIMES |
WasiRights.POLL_FD_READWRITE;
const REGULAR_FILE_INHERITING = /*#__PURE__*/ BigInt(0);
const DIRECTORY_BASE = WasiRights.FD_FDSTAT_SET_FLAGS |
WasiRights.FD_SYNC |
WasiRights.FD_ADVISE |
WasiRights.PATH_CREATE_DIRECTORY |
WasiRights.PATH_CREATE_FILE |
WasiRights.PATH_LINK_SOURCE |
WasiRights.PATH_LINK_TARGET |
WasiRights.PATH_OPEN |
WasiRights.FD_READDIR |
WasiRights.PATH_READLINK |
WasiRights.PATH_RENAME_SOURCE |
WasiRights.PATH_RENAME_TARGET |
WasiRights.PATH_FILESTAT_GET |
WasiRights.PATH_FILESTAT_SET_SIZE |
WasiRights.PATH_FILESTAT_SET_TIMES |
WasiRights.FD_FILESTAT_GET |
WasiRights.FD_FILESTAT_SET_TIMES |
WasiRights.PATH_SYMLINK |
WasiRights.PATH_UNLINK_FILE |
WasiRights.PATH_REMOVE_DIRECTORY |
WasiRights.POLL_FD_READWRITE;
const DIRECTORY_INHERITING = DIRECTORY_BASE | REGULAR_FILE_BASE;
const SOCKET_BASE = (WasiRights.FD_READ |
WasiRights.FD_FDSTAT_SET_FLAGS |
WasiRights.FD_WRITE |
WasiRights.FD_FILESTAT_GET |
WasiRights.POLL_FD_READWRITE |
WasiRights.SOCK_SHUTDOWN);
const SOCKET_INHERITING = RIGHTS_ALL;
const TTY_BASE = WasiRights.FD_READ |
WasiRights.FD_FDSTAT_SET_FLAGS |
WasiRights.FD_WRITE |
WasiRights.FD_FILESTAT_GET |
WasiRights.POLL_FD_READWRITE;
const TTY_INHERITING = /*#__PURE__*/ BigInt(0);
function getRights(stdio, fd, flags, type) {
const ret = {
base: BigInt(0),
inheriting: BigInt(0)
};
if (type === 0 /* WasiFileType.UNKNOWN */) {
throw new WasiError('Unknown file type', 28 /* WasiErrno.EINVAL */);
}
switch (type) {
case 4 /* WasiFileType.REGULAR_FILE */:
ret.base = REGULAR_FILE_BASE;
ret.inheriting = REGULAR_FILE_INHERITING;
break;
case 3 /* WasiFileType.DIRECTORY */:
ret.base = DIRECTORY_BASE;
ret.inheriting = DIRECTORY_INHERITING;
break;
case 6 /* WasiFileType.SOCKET_STREAM */:
case 5 /* WasiFileType.SOCKET_DGRAM */:
ret.base = SOCKET_BASE;
ret.inheriting = SOCKET_INHERITING;
break;
case 2 /* WasiFileType.CHARACTER_DEVICE */:
if (stdio.indexOf(fd) !== -1) {
ret.base = TTY_BASE;
ret.inheriting = TTY_INHERITING;
}
else {
ret.base = CHARACTER_DEVICE_BASE;
ret.inheriting = CHARACTER_DEVICE_INHERITING;
}
break;
case 1 /* WasiFileType.BLOCK_DEVICE */:
ret.base = BLOCK_DEVICE_BASE;
ret.inheriting = BLOCK_DEVICE_INHERITING;
break;
default:
ret.base = BigInt(0);
ret.inheriting = BigInt(0);
}
/* Disable read/write bits depending on access mode. */
const read_or_write_only = flags & (0 | 1 | 2);
if (read_or_write_only === 0) {
ret.base &= ~WasiRights.FD_WRITE;
}
else if (read_or_write_only === 1) {
ret.base &= ~WasiRights.FD_READ;
}
return ret;
}
function concatBuffer(buffers, size) {
let total = 0;
if (typeof size === 'number' && size >= 0) {
total = size;
}
else {
for (let i = 0; i < buffers.length; i++) {
const buffer = buffers[i];
total += buffer.length;
}
}
let pos = 0;
const ret = new Uint8Array(total);
for (let i = 0; i < buffers.length; i++) {
const buffer = buffers[i];
ret.set(buffer, pos);
pos += buffer.length;
}
return ret;
}
class FileDescriptor {
constructor(id, fd, path, realPath, type, rightsBase, rightsInheriting, preopen) {
this.id = id;
this.fd = fd;
this.path = path;
this.realPath = realPath;
this.type = type;
this.rightsBase = rightsBase;
this.rightsInheriting = rightsInheriting;
this.preopen = preopen;
this.pos = BigInt(0);
this.size = BigInt(0);
}
seek(offset, whence) {
if (whence === 0 /* WasiWhence.SET */) {
this.pos = BigInt(offset);
}
else if (whence === 1 /* WasiWhence.CUR */) {
this.pos += BigInt(offset);
}
else if (whence === 2 /* WasiWhence.END */) {
this.pos = BigInt(this.size) - BigInt(offset);
}
else {
throw new WasiError('Unknown whence', 29 /* WasiErrno.EIO */);
}
return this.pos;
}
}
class StandardOutput extends FileDescriptor {
constructor(log, id, fd, path, realPath, type, rightsBase, rightsInheriting, preopen) {
super(id, fd, path, realPath, type, rightsBase, rightsInheriting, preopen);
this._log = log;
this._buf = null;
}
write(buffer) {
const originalBuffer = buffer;
if (this._buf) {
buffer = concatBuffer([this._buf, buffer]);
this._buf = null;
}
if (buffer.indexOf(10) === -1) {
this._buf = buffer;
return originalBuffer.byteLength;
}
let written = 0;
let lastBegin = 0;
let index;
while ((index = buffer.indexOf(10, written)) !== -1) {
const str = new TextDecoder().decode(buffer.subarray(lastBegin, index));
this._log(str);
written += index - lastBegin + 1;
lastBegin = index + 1;
}
if (written < buffer.length) {
this._buf = buffer.slice(written);
}
return originalBuffer.byteLength;
}
}
function toFileType(stat) {
if (stat.isBlockDevice())
return 1 /* WasiFileType.BLOCK_DEVICE */;
if (stat.isCharacterDevice())
return 2 /* WasiFileType.CHARACTER_DEVICE */;
if (stat.isDirectory())
return 3 /* WasiFileType.DIRECTORY */;
if (stat.isSocket())
return 6 /* WasiFileType.SOCKET_STREAM */;
if (stat.isFile())
return 4 /* WasiFileType.REGULAR_FILE */;
if (stat.isSymbolicLink())
return 7 /* WasiFileType.SYMBOLIC_LINK */;
return 0 /* WasiFileType.UNKNOWN */;
}
function toFileStat(view, buf, stat) {
view.setBigUint64(buf, stat.dev, true);
view.setBigUint64(buf + 8, stat.ino, true);
view.setBigUint64(buf + 16, BigInt(toFileType(stat)), true);
view.setBigUint64(buf + 24, stat.nlink, true);
view.setBigUint64(buf + 32, stat.size, true);
view.setBigUint64(buf + 40, stat.atimeMs * BigInt(1000000), true);
view.setBigUint64(buf + 48, stat.mtimeMs * BigInt(1000000), true);
view.setBigUint64(buf + 56, stat.ctimeMs * BigInt(1000000), true);
}
class FileDescriptorTable {
constructor(options) {
this.used = 0;
this.size = options.size;
this.fds = Array(options.size);
this.stdio = [options.in, options.out, options.err];
this.print = options.print;
this.printErr = options.printErr;
this.insertStdio(options.in, 0, '<stdin>');
this.insertStdio(options.out, 1, '<stdout>');
this.insertStdio(options.err, 2, '<stderr>');
}
insertStdio(fd, expected, name) {
const type = 2 /* WasiFileType.CHARACTER_DEVICE */;
const { base, inheriting } = getRights(this.stdio, fd, 2 /* FileControlFlag.O_RDWR */, type);
const wrap = this.insert(fd, name, name, type, base, inheriting, 0);
if (wrap.id !== expected) {
throw new WasiError(`id: ${wrap.id} !== expected: ${expected}`, 8 /* WasiErrno.EBADF */);
}
return wrap;
}
insert(fd, mappedPath, realPath, type, rightsBase, rightsInheriting, preopen) {
var _a, _b;
let index = -1;
if (this.used >= this.size) {
const newSize = this.size * 2;
this.fds.length = newSize;
index = this.size;
this.size = newSize;
}
else {
for (let i = 0; i < this.size; ++i) {
if (this.fds[i] == null) {
index = i;
break;
}
}
}
let entry;
if (mappedPath === '<stdout>') {
entry = new StandardOutput((_a = this.print) !== null && _a !== void 0 ? _a : console.log, index, fd, mappedPath, realPath, type, rightsBase, rightsInheriting, preopen);
}
else if (mappedPath === '<stderr>') {
entry = new StandardOutput((_b = this.printErr) !== null && _b !== void 0 ? _b : console.error, index, fd, mappedPath, realPath, type, rightsBase, rightsInheriting, preopen);
}
else {
entry = new FileDescriptor(index, fd, mappedPath, realPath, type, rightsBase, rightsInheriting, preopen);
}
this.fds[index] = entry;
this.used++;
return entry;
}
get(id, base, inheriting) {
if (id >= this.size) {
throw new WasiError('Invalid fd', 8 /* WasiErrno.EBADF */);
}
const entry = this.fds[id];
if (!entry || entry.id !== id) {
throw new WasiError('Bad file descriptor', 8 /* WasiErrno.EBADF */);
}
/* Validate that the fd has the necessary rights. */
if ((~entry.rightsBase & base) !== BigInt(0) || (~entry.rightsInheriting & inheriting) !== BigInt(0)) {
throw new WasiError('Capabilities insufficient', 76 /* WasiErrno.ENOTCAPABLE */);
}
return entry;
}
remove(id) {
if (id >= this.size) {
throw new WasiError('Invalid fd', 8 /* WasiErrno.EBADF */);
}
const entry = this.fds[id];
if (!entry || entry.id !== id) {
throw new WasiError('Bad file descriptor', 8 /* WasiErrno.EBADF */);
}
this.fds[id] = undefined;
this.used--;
}
}
class SyncTable extends FileDescriptorTable {
constructor(options) {
super(options);
this.fs = options.fs;
}
getFileTypeByFd(fd) {
const stats = this.fs.fstatSync(fd, { bigint: true });
return toFileType(stats);
}
insertPreopen(fd, mappedPath, realPath) {
const type = this.getFileTypeByFd(fd);
if (type !== 3 /* WasiFileType.DIRECTORY */) {
throw new WasiError(`Preopen not dir: ["${mappedPath}", "${realPath}"]`, 54 /* WasiErrno.ENOTDIR */);
}
const result = getRights(this.stdio, fd, 0, type);
return this.insert(fd, mappedPath, realPath, type, result.base, result.inheriting, 1);
}
renumber(dst, src) {
if (dst === src)
return;
if (dst >= this.size || src >= this.size) {
throw new WasiError('Invalid fd', 8 /* WasiErrno.EBADF */);
}
const dstEntry = this.fds[dst];
const srcEntry = this.fds[src];
if (!dstEntry || !srcEntry || dstEntry.id !== dst || srcEntry.id !== src) {
throw new WasiError('Invalid fd', 8 /* WasiErrno.EBADF */);
}
this.fs.closeSync(dstEntry.fd);
this.fds[dst] = this.fds[src];
this.fds[dst].id = dst;
this.fds[src] = undefined;
this.used--;
}
}
class AsyncTable extends FileDescriptorTable {
// eslint-disable-next-line @typescript-eslint/no-useless-constructor
constructor(options) {
super(options);
}
async getFileTypeByFd(fd) {
const stats = await fd.stat({ bigint: true });
return toFileType(stats);
}
async insertPreopen(fd, mappedPath, realPath) {
const type = await this.getFileTypeByFd(fd);
if (type !== 3 /* WasiFileType.DIRECTORY */) {
throw new WasiError(`Preopen not dir: ["${mappedPath}", "${realPath}"]`, 54 /* WasiErrno.ENOTDIR */);
}
const result = getRights(this.stdio, fd.fd, 0, type);
return this.insert(fd, mappedPath, realPath, type, result.base, result.inheriting, 1);
}
async renumber(dst, src) {
if (dst === src)
return;
if (dst >= this.size || src >= this.size) {
throw new WasiError('Invalid fd', 8 /* WasiErrno.EBADF */);
}
const dstEntry = this.fds[dst];
const srcEntry = this.fds[src];
if (!dstEntry || !srcEntry || dstEntry.id !== dst || srcEntry.id !== src) {
throw new WasiError('Invalid fd', 8 /* WasiErrno.EBADF */);
}
await dstEntry.fd.close();
this.fds[dst] = this.fds[src];
this.fds[dst].id = dst;
this.fds[src] = undefined;
this.used--;
}
}
/** @public */
const WebAssemblyMemory = /*#__PURE__*/ (function () { return _WebAssembly.Memory; })();
/** @public */
class Memory extends WebAssemblyMemory {
// eslint-disable-next-line @typescript-eslint/no-useless-constructor
constructor(descriptor) {
super(descriptor);
}
get HEAP8() { return new Int8Array(super.buffer); }
get HEAPU8() { return new Uint8Array(super.buffer); }
get HEAP16() { return new Int16Array(super.buffer); }
get HEAPU16() { return new Uint16Array(super.buffer); }
get HEAP32() { return new Int32Array(super.buffer); }
get HEAPU32() { return new Uint32Array(super.buffer); }
get HEAP64() { return new BigInt64Array(super.buffer); }
get HEAPU64() { return new BigUint64Array(super.buffer); }
get HEAPF32() { return new Float32Array(super.buffer); }
get HEAPF64() { return new Float64Array(super.buffer); }
get view() { return new DataView(super.buffer); }
}
/** @public */
function extendMemory(memory) {
if (Object.getPrototypeOf(memory) === _WebAssembly.Memory.prototype) {
Object.setPrototypeOf(memory, Memory.prototype);
}
return memory;
}
function checkWebAssemblyFunction() {
const WebAssemblyFunction = _WebAssembly.Function;
if (typeof WebAssemblyFunction !== 'function') {
throw new Error('WebAssembly.Function is not supported in this environment.' +
' If you are using V8 based browser like Chrome, try to specify' +
' --js-flags="--wasm-staging --experimental-wasm-stack-switching"');
}
return WebAssemblyFunction;
}
/** @public */
function wrapAsyncImport(f, parameterType, returnType) {
const WebAssemblyFunction = checkWebAssemblyFunction();
if (typeof f !== 'function') {
throw new TypeError('Function required');
}
const parameters = parameterType.slice(0);
parameters.unshift('externref');
return new WebAssemblyFunction({ parameters, results: returnType }, f, { suspending: 'first' });
}
/** @public */
function wrapAsyncExport(f) {
const WebAssemblyFunction = checkWebAssemblyFunction();
if (typeof f !== 'function') {
throw new TypeError('Function required');
}
return new WebAssemblyFunction({ parameters: [...WebAssemblyFunction.type(f).parameters.slice(1)], results: ['externref'] }, f, { promising: 'first' });
}
/** @public */
function wrapExports(exports, needWrap) {
return wrapInstanceExports(exports, (exportValue, name) => {
let ignore = typeof exportValue !== 'function';
if (Array.isArray(needWrap)) {
ignore = ignore || (needWrap.indexOf(name) === -1);
}
return ignore ? exportValue : wrapAsyncExport(exportValue);
});
}
function copyMemory(targets, src) {
if (targets.length === 0 || src.length === 0)
return 0;
let copied = 0;
let left = src.length - copied;
for (let i = 0; i < targets.length; ++i) {
const target = targets[i];
if (left < target.length) {
target.set(src.subarray(copied, copied + left), 0);
copied += left;
left = 0;
return copied;
}
target.set(src.subarray(copied, copied + target.length), 0);
copied += target.length;
left -= target.length;
}
return copied;
}
const _memory = new WeakMap();
const _wasi = new WeakMap();
const _fs = new WeakMap();
function getMemory(wasi) {
return _memory.get(wasi);
}
function getFs(wasi) {
const fs = _fs.get(wasi);
if (!fs)
throw new Error('filesystem is unavailable');
return fs;
}
function handleError(err) {
if (err instanceof WasiError) {
{
console.warn(err);
}
return err.errno;
}
switch (err.code) {
case 'ENOENT': return 44 /* WasiErrno.ENOENT */;
case 'EBADF': return 8 /* WasiErrno.EBADF */;
case 'EINVAL': return 28 /* WasiErrno.EINVAL */;
case 'EPERM': return 63 /* WasiErrno.EPERM */;
case 'EPROTO': return 65 /* WasiErrno.EPROTO */;
case 'EEXIST': return 20 /* WasiErrno.EEXIST */;
case 'ENOTDIR': return 54 /* WasiErrno.ENOTDIR */;
case 'EMFILE': return 33 /* WasiErrno.EMFILE */;
case 'EACCES': return 2 /* WasiErrno.EACCES */;
case 'EISDIR': return 31 /* WasiErrno.EISDIR */;
case 'ENOTEMPTY': return 55 /* WasiErrno.ENOTEMPTY */;
case 'ENOSYS': return 52 /* WasiErrno.ENOSYS */;
}
throw err;
}
function defineName(name, f) {
Object.defineProperty(f, 'name', { value: name });
return f;
}
function syscallWrap(self, name, f) {
return defineName(name, function () {
{
const args = Array.prototype.slice.call(arguments);
let debugArgs = [`${name}(${Array.from({ length: arguments.length }).map(() => '%d').join(', ')})`];
debugArgs = debugArgs.concat(args);
console.debug.apply(console, debugArgs);
}
let r;
try {
r = f.apply(self, arguments);
}
catch (err) {
return handleError(err);
}
if (isPromiseLike(r)) {
return r.then(_ => _, handleError);
}
return r;
});
}
function resolvePathSync(fs, fileDescriptor, path, flags) {
let resolvedPath = resolve(fileDescriptor.realPath, path);
if ((flags & 1) === 1) {
try {
resolvedPath = fs.readlinkSync(resolvedPath);
}
catch (err) {
if (err.code !== 'EINVAL' && err.code !== 'ENOENT') {
throw err;
}
}
}
return resolvedPath;
}
async function resolvePathAsync(fs, fileDescriptor, path, flags) {
let resolvedPath = resolve(fileDescriptor.realPath, path);
if ((flags & 1) === 1) {
try {
resolvedPath = await fs.promises.readlink(resolvedPath);
}
catch (err) {
if (err.code !== 'EINVAL' && err.code !== 'ENOENT') {
throw err;
}
}
}
return resolvedPath;
}
// eslint-disable-next-line spaced-comment
const encoder = /*#__PURE__*/ new TextEncoder();
// eslint-disable-next-line spaced-comment
const decoder = /*#__PURE__*/ new TextDecoder();
const INT64_MAX = (BigInt(1) << BigInt(63)) - BigInt(1);
function readStdin() {
const value = window.prompt();
if (value === null)
return new Uint8Array();
const buffer = new TextEncoder().encode(value + '\n');
return buffer;
}
function validateFstFlagsOrReturn(flags) {
return (Boolean((flags) & ~(1 /* WasiFstFlag.SET_ATIM */ | 2 /* WasiFstFlag.SET_ATIM_NOW */ |
4 /* WasiFstFlag.SET_MTIM */ | 8 /* WasiFstFlag.SET_MTIM_NOW */)) ||
((flags) & (1 /* WasiFstFlag.SET_ATIM */ | 2 /* WasiFstFlag.SET_ATIM_NOW */)) ===
(1 /* WasiFstFlag.SET_ATIM */ | 2 /* WasiFstFlag.SET_ATIM_NOW */) ||
((flags) & (4 /* WasiFstFlag.SET_MTIM */ | 8 /* WasiFstFlag.SET_MTIM_NOW */)) ===
(4 /* WasiFstFlag.SET_MTIM */ | 8 /* WasiFstFlag.SET_MTIM_NOW */));
}
class WASI$1 {
constructor(args, env, fds, asyncFs, fs, asyncify) {
this.args_get = syscallWrap(this, 'args_get', function (argv, argv_buf) {
argv = Number(argv);
argv_buf = Number(argv_buf);
if (argv === 0 || argv_buf === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8, view } = getMemory(this);
const wasi = _wasi.get(this);
const args = wasi.args;
for (let i = 0; i < args.length; ++i) {
const arg = args[i];
view.setInt32(argv, argv_buf, true);
argv += 4;
const data = encoder.encode(arg + '\0');
HEAPU8.set(data, argv_buf);
argv_buf += data.length;
}
return 0 /* WasiErrno.ESUCCESS */;
});
this.args_sizes_get = syscallWrap(this, 'args_sizes_get', function (argc, argv_buf_size) {
argc = Number(argc);
argv_buf_size = Number(argv_buf_size);
if (argc === 0 || argv_buf_size === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { view } = getMemory(this);
const wasi = _wasi.get(this);
const args = wasi.args;
view.setUint32(argc, args.length, true);
view.setUint32(argv_buf_size, encoder.encode(args.join('\0') + '\0').length, true);
return 0 /* WasiErrno.ESUCCESS */;
});
this.environ_get = syscallWrap(this, 'environ_get', function (environ, environ_buf) {
environ = Number(environ);
environ_buf = Number(environ_buf);
if (environ === 0 || environ_buf === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8, view } = getMemory(this);
const wasi = _wasi.get(this);
const env = wasi.env;
for (let i = 0; i < env.length; ++i) {
const pair = env[i];
view.setInt32(environ, environ_buf, true);
environ += 4;
const data = encoder.encode(pair + '\0');
HEAPU8.set(data, environ_buf);
environ_buf += data.length;
}
return 0 /* WasiErrno.ESUCCESS */;
});
this.environ_sizes_get = syscallWrap(this, 'environ_sizes_get', function (len, buflen) {
len = Number(len);
buflen = Number(buflen);
if (len === 0 || buflen === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { view } = getMemory(this);
const wasi = _wasi.get(this);
view.setUint32(len, wasi.env.length, true);
view.setUint32(buflen, encoder.encode(wasi.env.join('\0') + '\0').length, true);
return 0 /* WasiErrno.ESUCCESS */;
});
this.clock_res_get = syscallWrap(this, 'clock_res_get', function (id, resolution) {
resolution = Number(resolution);
if (resolution === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { view } = getMemory(this);
switch (id) {
case 0 /* WasiClockid.REALTIME */:
view.setBigUint64(resolution, BigInt(1000000), true);
return 0 /* WasiErrno.ESUCCESS */;
case 1 /* WasiClockid.MONOTONIC */:
case 2 /* WasiClockid.PROCESS_CPUTIME_ID */:
case 3 /* WasiClockid.THREAD_CPUTIME_ID */:
view.setBigUint64(resolution, BigInt(1000), true);
return 0 /* WasiErrno.ESUCCESS */;
default: return 28 /* WasiErrno.EINVAL */;
}
});
this.clock_time_get = syscallWrap(this, 'clock_time_get', function (id, _percision, time) {
time = Number(time);
if (time === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { view } = getMemory(this);
switch (id) {
case 0 /* WasiClockid.REALTIME */:
view.setBigUint64(time, BigInt(Date.now()) * BigInt(1000000), true);
return 0 /* WasiErrno.ESUCCESS */;
case 1 /* WasiClockid.MONOTONIC */:
case 2 /* WasiClockid.PROCESS_CPUTIME_ID */:
case 3 /* WasiClockid.THREAD_CPUTIME_ID */: {
const t = performance.now() / 1000;
const s = Math.trunc(t);
const ms = Math.floor((t - s) * 1000);
const result = BigInt(s) * BigInt(1000000000) + BigInt(ms) * BigInt(1000000);
view.setBigUint64(time, result, true);
return 0 /* WasiErrno.ESUCCESS */;
}
default: return 28 /* WasiErrno.EINVAL */;
}
});
this.fd_advise = syscallWrap(this, 'fd_advise', function (_fd, _offset, _len, _advice) {
return 52 /* WasiErrno.ENOSYS */;
});
this.fd_fdstat_get = syscallWrap(this, 'fd_fdstat_get', function (fd, fdstat) {
fdstat = Number(fdstat);
if (fdstat === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, BigInt(0), BigInt(0));
const { view } = getMemory(this);
view.setUint16(fdstat, fileDescriptor.type, true);
view.setUint16(fdstat + 2, 0, true);
view.setBigUint64(fdstat + 8, fileDescriptor.rightsBase, true);
view.setBigUint64(fdstat + 16, fileDescriptor.rightsInheriting, true);
return 0 /* WasiErrno.ESUCCESS */;
});
this.fd_fdstat_set_flags = syscallWrap(this, 'fd_fdstat_set_flags', function (_fd, _flags) {
return 52 /* WasiErrno.ENOSYS */;
});
this.fd_fdstat_set_rights = syscallWrap(this, 'fd_fdstat_set_rights', function (fd, rightsBase, rightsInheriting) {
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, BigInt(0), BigInt(0));
if ((rightsBase | fileDescriptor.rightsBase) > fileDescriptor.rightsBase) {
return 76 /* WasiErrno.ENOTCAPABLE */;
}
if ((rightsInheriting | fileDescriptor.rightsInheriting) >
fileDescriptor.rightsInheriting) {
return 76 /* WasiErrno.ENOTCAPABLE */;
}
fileDescriptor.rightsBase = rightsBase;
fileDescriptor.rightsInheriting = rightsInheriting;
return 0 /* WasiErrno.ESUCCESS */;
});
this.fd_prestat_get = syscallWrap(this, 'fd_prestat_get', function (fd, prestat) {
prestat = Number(prestat);
if (prestat === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const wasi = _wasi.get(this);
let fileDescriptor;
try {
fileDescriptor = wasi.fds.get(fd, BigInt(0), BigInt(0));
}
catch (err) {
if (err instanceof WasiError)
return err.errno;
throw err;
}
if (fileDescriptor.preopen !== 1)
return 28 /* WasiErrno.EINVAL */;
const { view } = getMemory(this);
// preopen type is dir(0)
view.setUint32(prestat, 0, true);
view.setUint32(prestat + 4, encoder.encode(fileDescriptor.path).length, true);
return 0 /* WasiErrno.ESUCCESS */;
});
this.fd_prestat_dir_name = syscallWrap(this, 'fd_prestat_dir_name', function (fd, path, path_len) {
path = Number(path);
path_len = Number(path_len);
if (path === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, BigInt(0), BigInt(0));
if (fileDescriptor.preopen !== 1)
return 8 /* WasiErrno.EBADF */;
const buffer = encoder.encode(fileDescriptor.path);
const size = buffer.length;
if (size > path_len)
return 42 /* WasiErrno.ENOBUFS */;
const { HEAPU8 } = getMemory(this);
HEAPU8.set(buffer, path);
return 0 /* WasiErrno.ESUCCESS */;
});
this.fd_seek = syscallWrap(this, 'fd_seek', function (fd, offset, whence, newOffset) {
newOffset = Number(newOffset);
if (newOffset === 0) {
return 28 /* WasiErrno.EINVAL */;
}
if (fd === 0 || fd === 1 || fd === 2)
return 0 /* WasiErrno.ESUCCESS */;
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_SEEK, BigInt(0));
const r = fileDescriptor.seek(offset, whence);
const { view } = getMemory(this);
view.setBigUint64(newOffset, r, true);
return 0 /* WasiErrno.ESUCCESS */;
});
this.fd_tell = syscallWrap(this, 'fd_tell', function (fd, offset) {
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_TELL, BigInt(0));
const pos = BigInt(fileDescriptor.pos);
const { view } = getMemory(this);
view.setBigUint64(Number(offset), pos, true);
return 0 /* WasiErrno.ESUCCESS */;
});
this.poll_oneoff = syscallWrap(this, 'poll_oneoff', function (in_ptr, out_ptr, nsubscriptions, nevents) {
in_ptr = Number(in_ptr);
out_ptr = Number(out_ptr);
nevents = Number(nevents);
nsubscriptions = Number(nsubscriptions);
nsubscriptions = nsubscriptions >>> 0;
if (in_ptr === 0 || out_ptr === 0 || nsubscriptions === 0 || nevents === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { view } = getMemory(this);
view.setUint32(nevents, 0, true);
let i = 0;
let timer_userdata = BigInt(0);
let cur_timeout = BigInt(0);
let has_timeout = 0;
let min_timeout = BigInt(0);
let sub;
const subscriptions = Array(nsubscriptions);
for (i = 0; i < nsubscriptions; i++) {
sub = in_ptr + i * 48;
const userdata = view.getBigUint64(sub, true);
const type = view.getUint8(sub + 8);
const clockIdOrFd = view.getUint32(sub + 16, true);
const timeout = view.getBigUint64(sub + 24, true);
const precision = view.getBigUint64(sub + 32, true);
const flags = view.getUint16(sub + 40, true);
subscriptions[i] = {
userdata,
type,
u: {
clock: {
clock_id: clockIdOrFd,
timeout,
precision,
flags
},
fd_readwrite: {
fd: clockIdOrFd
}
}
};
}
const fdevents = [];
for (i = 0; i < nsubscriptions; i++) {
sub = subscriptions[i];
switch (sub.type) {
case 0 /* WasiEventType.CLOCK */: {
if (sub.u.clock.flags === 1 /* WasiSubclockflags.ABSTIME */) {
/* Convert absolute time to relative delay. */
const now = BigInt(Date.now()) * BigInt(1000000);
cur_timeout = sub.u.clock.timeout - now;
}
else {
cur_timeout = sub.u.clock.timeout;
}
if (has_timeout === 0 || cur_timeout < min_timeout) {
min_timeout = cur_timeout;
timer_userdata = sub.userdata;
has_timeout = 1;
}
break;
}
case 1 /* WasiEventType.FD_READ */:
case 2 /* WasiEventType.FD_WRITE */:
fdevents.push(sub);
break;
default: return 28 /* WasiErrno.EINVAL */;
}
}
if (fdevents.length > 0) {
for (i = 0; i < fdevents.length; i++) {
const fdevent = fdevents[i];
const event = out_ptr + 32 * i;
view.setBigUint64(event, fdevent.userdata, true);
view.setUint32(event + 8, 52 /* WasiErrno.ENOSYS */, true);
view.setUint32(event + 12, fdevent.type, true);
view.setBigUint64(event + 16, BigInt(0), true);
view.setUint16(event + 24, 0, true);
view.setUint32(nevents, 1, true);
}
view.setUint32(nevents, fdevents.length, true);
return 0 /* WasiErrno.ESUCCESS */;
}
if (has_timeout) {
const delay = Number(min_timeout / BigInt(1000000));
// if (isMainThread || typeof SharedArrayBuffer !== 'function') {
sleepBreakIf(delay, () => false);
// } else {
// const buf = new SharedArrayBuffer(4)
// const arr = new Int32Array(buf)
// postMsg({
// __tybys_wasm_util_wasi__: {
// type: 'set-timeout',
// payload: {
// buffer: buf,
// delay
// }
// }
// })
// Atomics.wait(arr, 0, 0)
// }
const event = out_ptr;
view.setBigUint64(event, timer_userdata, true);
view.setUint32(event + 8, 0 /* WasiErrno.ESUCCESS */, true);
view.setUint32(event + 12, 0 /* WasiEventType.CLOCK */, true);
view.setUint32(nevents, 1, true);
}
return 0 /* WasiErrno.ESUCCESS */;
});
this.proc_exit = syscallWrap(this, 'proc_exit', function (rval) {
if ((typeof process === 'object') && (process !== null) && (typeof process.exit === 'function')) {
process.exit(rval);
}
return 0 /* WasiErrno.ESUCCESS */;
});
this.proc_raise = syscallWrap(this, 'proc_raise', function (_sig) {
return 52 /* WasiErrno.ENOSYS */;
});
this.sched_yield = syscallWrap(this, 'sched_yield', function () {
return 0 /* WasiErrno.ESUCCESS */;
});
this.random_get = typeof crypto !== 'undefined' && typeof crypto.getRandomValues === 'function'
? syscallWrap(this, 'random_get', function (buf, buf_len) {
buf = Number(buf);
if (buf === 0) {
return 28 /* WasiErrno.EINVAL */;
}
buf_len = Number(buf_len);
const { HEAPU8, view } = getMemory(this);
if ((typeof SharedArrayBuffer === 'function' && HEAPU8.buffer instanceof SharedArrayBuffer) ||
(Object.prototype.toString.call(HEAPU8.buffer) === '[object SharedArrayBuffer]')) {
for (let i = buf; i < buf + buf_len; ++i) {
view.setUint8(i, Math.floor(Math.random() * 256));
}
return 0 /* WasiErrno.ESUCCESS */;
}
let pos;
const stride = 65536;
for (pos = 0; pos + stride < buf_len; pos += stride) {
crypto.getRandomValues(HEAPU8.subarray(buf + pos, buf + pos + stride));
}
crypto.getRandomValues(HEAPU8.subarray(buf + pos, buf + buf_len));
return 0 /* WasiErrno.ESUCCESS */;
})
: syscallWrap(this, 'random_get', function (buf, buf_len) {
buf = Number(buf);
if (buf === 0) {
return 28 /* WasiErrno.EINVAL */;
}
buf_len = Number(buf_len);
const { view } = getMemory(this);
for (let i = buf; i < buf + buf_len; ++i) {
view.setUint8(i, Math.floor(Math.random() * 256));
}
return 0 /* WasiErrno.ESUCCESS */;
});
this.sock_recv = syscallWrap(this, 'sock_recv', function () {
return 58 /* WasiErrno.ENOTSUP */;
});
this.sock_send = syscallWrap(this, 'sock_send', function () {
return 58 /* WasiErrno.ENOTSUP */;
});
this.sock_shutdown = syscallWrap(this, 'sock_shutdown', function () {
return 58 /* WasiErrno.ENOTSUP */;
});
this.sock_accept = syscallWrap(this, 'sock_accept', function () {
return 58 /* WasiErrno.ENOTSUP */;
});
_wasi.set(this, {
fds,
args,
env
});
if (fs)
_fs.set(this, fs);
// eslint-disable-next-line @typescript-eslint/no-this-alias
const _this = this;
function defineImport(name, syncVersion, asyncVersion, parameterType, returnType) {
if (asyncFs) {
if (asyncify) {
_this[name] = asyncify.wrapImportFunction(syscallWrap(_this, name, asyncVersion));
}
else {
_this[name] = wrapAsyncImport(syscallWrap(_this, name, asyncVersion), parameterType, returnType);
}
}
else {
_this[name] = syscallWrap(_this, name, syncVersion);
}
}
defineImport('fd_allocate', function fd_allocate(fd, offset, len) {
const wasi = _wasi.get(this);
const fs = getFs(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_ALLOCATE, BigInt(0));
const stat = fs.fstatSync(fileDescriptor.fd, { bigint: true });
if (stat.size < offset + len) {
fs.ftruncateSync(fileDescriptor.fd, Number(offset + len));
}
return 0 /* WasiErrno.ESUCCESS */;
}, async function fd_allocate(fd, offset, len) {
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_ALLOCATE, BigInt(0));
const h = fileDescriptor.fd;
const stat = await h.stat({ bigint: true });
if (stat.size < offset + len) {
await h.truncate(Number(offset + len));
}
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i64', 'f64'], ['i32']);
defineImport('fd_close', function fd_close(fd) {
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, BigInt(0), BigInt(0));
const fs = getFs(this);
fs.closeSync(fileDescriptor.fd);
wasi.fds.remove(fd);
return 0 /* WasiErrno.ESUCCESS */;
}, async function fd_close(fd) {
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, BigInt(0), BigInt(0));
await fileDescriptor.fd.close();
wasi.fds.remove(fd);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32'], ['i32']);
defineImport('fd_datasync', function fd_datasync(fd) {
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_DATASYNC, BigInt(0));
const fs = getFs(this);
fs.fdatasyncSync(fileDescriptor.fd);
return 0 /* WasiErrno.ESUCCESS */;
}, async function fd_datasync(fd) {
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_DATASYNC, BigInt(0));
await fileDescriptor.fd.datasync();
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32'], ['i32']);
defineImport('fd_filestat_get', function fd_filestat_get(fd, buf) {
buf = Number(buf);
if (buf === 0)
return 28 /* WasiErrno.EINVAL */;
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_FILESTAT_GET, BigInt(0));
const fs = getFs(this);
const stat = fs.fstatSync(fileDescriptor.fd, { bigint: true });
const { view } = getMemory(this);
toFileStat(view, buf, stat);
return 0 /* WasiErrno.ESUCCESS */;
}, async function fd_filestat_get(fd, buf) {
buf = Number(buf);
if (buf === 0)
return 28 /* WasiErrno.EINVAL */;
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_FILESTAT_GET, BigInt(0));
const h = fileDescriptor.fd;
const stat = await h.stat({ bigint: true });
const { view } = getMemory(this);
toFileStat(view, buf, stat);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32'], ['i32']);
defineImport('fd_filestat_set_size', function fd_filestat_set_size(fd, size) {
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_FILESTAT_SET_SIZE, BigInt(0));
const fs = getFs(this);
fs.ftruncateSync(fileDescriptor.fd, Number(size));
return 0 /* WasiErrno.ESUCCESS */;
}, async function fd_filestat_set_size(fd, size) {
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_FILESTAT_SET_SIZE, BigInt(0));
const h = fileDescriptor.fd;
await h.truncate(Number(size));
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i64'], ['i32']);
function fdFilestatGetTimes(fd, atim, mtim, flags) {
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_FILESTAT_SET_TIMES, BigInt(0));
if ((flags & 2 /* WasiFstFlag.SET_ATIM_NOW */) === 2 /* WasiFstFlag.SET_ATIM_NOW */) {
atim = BigInt(Date.now() * 1000000);
}
if ((flags & 8 /* WasiFstFlag.SET_MTIM_NOW */) === 8 /* WasiFstFlag.SET_MTIM_NOW */) {
mtim = BigInt(Date.now() * 1000000);
}
return { fileDescriptor, atim, mtim };
}
defineImport('fd_filestat_set_times', function fd_filestat_set_times(fd, atim, mtim, flags) {
if (validateFstFlagsOrReturn(flags)) {
return 28 /* WasiErrno.EINVAL */;
}
const { fileDescriptor, atim: atimRes, mtim: mtimRes } = fdFilestatGetTimes.call(this, fd, atim, mtim, flags);
const fs = getFs(this);
fs.futimesSync(fileDescriptor.fd, Number(atimRes), Number(mtimRes));
return 0 /* WasiErrno.ESUCCESS */;
}, async function fd_filestat_set_times(fd, atim, mtim, flags) {
if (validateFstFlagsOrReturn(flags)) {
return 28 /* WasiErrno.EINVAL */;
}
const { fileDescriptor, atim: atimRes, mtim: mtimRes } = fdFilestatGetTimes.call(this, fd, atim, mtim, flags);
const h = fileDescriptor.fd;
await h.utimes(Number(atimRes), Number(mtimRes));
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i64', 'i64', 'i32'], ['i32']);
defineImport('fd_pread', function fd_pread(fd, iovs, iovslen, offset, size) {
iovs = Number(iovs);
size = Number(size);
if ((iovs === 0 && iovslen) || size === 0 || offset > INT64_MAX) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8, view } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_READ | WasiRights.FD_SEEK, BigInt(0));
if (!iovslen) {
view.setUint32(size, 0, true);
return 0 /* WasiErrno.ESUCCESS */;
}
let totalSize = 0;
const ioVecs = Array.from({ length: Number(iovslen) }, (_, i) => {
const offset = iovs + (i * 8);
const buf = view.getInt32(offset, true);
const bufLen = view.getUint32(offset + 4, true);
totalSize += bufLen;
return HEAPU8.subarray(buf, buf + bufLen);
});
let nread = 0;
const buffer = (() => {
try {
return new Uint8Array(new SharedArrayBuffer(totalSize));
}
catch (_) {
return new Uint8Array(totalSize);
}
})();
buffer._isBuffer = true;
const fs = getFs(this);
const bytesRead = fs.readSync(fileDescriptor.fd, buffer, 0, buffer.length, Number(offset));
nread = buffer ? copyMemory(ioVecs, buffer.subarray(0, bytesRead)) : 0;
view.setUint32(size, nread, true);
return 0 /* WasiErrno.ESUCCESS */;
}, async function (fd, iovs, iovslen, offset, size) {
iovs = Number(iovs);
size = Number(size);
if ((iovs === 0 && iovslen) || size === 0 || offset > INT64_MAX) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8, view } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_READ | WasiRights.FD_SEEK, BigInt(0));
if (!iovslen) {
view.setUint32(size, 0, true);
return 0 /* WasiErrno.ESUCCESS */;
}
let totalSize = 0;
const ioVecs = Array.from({ length: Number(iovslen) }, (_, i) => {
const offset = iovs + (i * 8);
const buf = view.getInt32(offset, true);
const bufLen = view.getUint32(offset + 4, true);
totalSize += bufLen;
return HEAPU8.subarray(buf, buf + bufLen);
});
let nread = 0;
const buffer = new Uint8Array(totalSize);
buffer._isBuffer = true;
const { bytesRead } = await fileDescriptor.fd.read(buffer, 0, buffer.length, Number(offset));
nread = buffer ? copyMemory(ioVecs, buffer.subarray(0, bytesRead)) : 0;
view.setUint32(size, nread, true);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32', 'i32', 'i64', 'i32'], ['i32']);
defineImport('fd_pwrite', function fd_pwrite(fd, iovs, iovslen, offset, size) {
iovs = Number(iovs);
size = Number(size);
if ((iovs === 0 && iovslen) || size === 0 || offset > INT64_MAX) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8, view } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_WRITE | WasiRights.FD_SEEK, BigInt(0));
if (!iovslen) {
view.setUint32(size, 0, true);
return 0 /* WasiErrno.ESUCCESS */;
}
const buffer = concatBuffer(Array.from({ length: Number(iovslen) }, (_, i) => {
const offset = iovs + (i * 8);
const buf = view.getInt32(offset, true);
const bufLen = view.getUint32(offset + 4, true);
return HEAPU8.subarray(buf, buf + bufLen);
}));
const fs = getFs(this);
const nwritten = fs.writeSync(fileDescriptor.fd, buffer, 0, buffer.length, Number(offset));
view.setUint32(size, nwritten, true);
return 0 /* WasiErrno.ESUCCESS */;
}, async function fd_pwrite(fd, iovs, iovslen, offset, size) {
iovs = Number(iovs);
size = Number(size);
if ((iovs === 0 && iovslen) || size === 0 || offset > INT64_MAX) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8, view } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_WRITE | WasiRights.FD_SEEK, BigInt(0));
if (!iovslen) {
view.setUint32(size, 0, true);
return 0 /* WasiErrno.ESUCCESS */;
}
const buffer = concatBuffer(Array.from({ length: Number(iovslen) }, (_, i) => {
const offset = iovs + (i * 8);
const buf = view.getInt32(offset, true);
const bufLen = view.getUint32(offset + 4, true);
return HEAPU8.subarray(buf, buf + bufLen);
}));
const { bytesWritten } = await fileDescriptor.fd.write(buffer, 0, buffer.length, Number(offset));
view.setUint32(size, bytesWritten, true);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32', 'i32', 'i64', 'i32'], ['i32']);
defineImport('fd_read', function fd_read(fd, iovs, iovslen, size) {
iovs = Number(iovs);
size = Number(size);
if ((iovs === 0 && iovslen) || size === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8, view } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_READ, BigInt(0));
if (!iovslen) {
view.setUint32(size, 0, true);
return 0 /* WasiErrno.ESUCCESS */;
}
let totalSize = 0;
const ioVecs = Array.from({ length: Number(iovslen) }, (_, i) => {
const offset = iovs + (i * 8);
const buf = view.getInt32(offset, true);
const bufLen = view.getUint32(offset + 4, true);
totalSize += bufLen;
return HEAPU8.subarray(buf, buf + bufLen);
});
let buffer;
let nread = 0;
if (fd === 0) {
if (typeof window === 'undefined' || typeof window.prompt !== 'function') {
return 58 /* WasiErrno.ENOTSUP */;
}
buffer = readStdin();
nread = buffer ? copyMemory(ioVecs, buffer) : 0;
}
else {
buffer = (() => {
try {
return new Uint8Array(new SharedArrayBuffer(totalSize));
}
catch (_) {
return new Uint8Array(totalSize);
}
})();
buffer._isBuffer = true;
const fs = getFs(this);
const bytesRead = fs.readSync(fileDescriptor.fd, buffer, 0, buffer.length, Number(fileDescriptor.pos));
nread = buffer ? copyMemory(ioVecs, buffer.subarray(0, bytesRead)) : 0;
fileDescriptor.pos += BigInt(nread);
}
view.setUint32(size, nread, true);
return 0 /* WasiErrno.ESUCCESS */;
}, async function fd_read(fd, iovs, iovslen, size) {
iovs = Number(iovs);
size = Number(size);
if ((iovs === 0 && iovslen) || size === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8, view } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_READ, BigInt(0));
if (!iovslen) {
view.setUint32(size, 0, true);
return 0 /* WasiErrno.ESUCCESS */;
}
let totalSize = 0;
const ioVecs = Array.from({ length: Number(iovslen) }, (_, i) => {
const offset = iovs + (i * 8);
const buf = view.getInt32(offset, true);
const bufLen = view.getUint32(offset + 4, true);
totalSize += bufLen;
return HEAPU8.subarray(buf, buf + bufLen);
});
let buffer;
let nread = 0;
if (fd === 0) {
if (typeof window === 'undefined' || typeof window.prompt !== 'function') {
return 58 /* WasiErrno.ENOTSUP */;
}
buffer = readStdin();
nread = buffer ? copyMemory(ioVecs, buffer) : 0;
}
else {
buffer = new Uint8Array(totalSize);
buffer._isBuffer = true;
const { bytesRead } = await fileDescriptor.fd.read(buffer, 0, buffer.length, Number(fileDescriptor.pos));
nread = buffer ? copyMemory(ioVecs, buffer.subarray(0, bytesRead)) : 0;
fileDescriptor.pos += BigInt(nread);
}
view.setUint32(size, nread, true);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32', 'i32', 'i32'], ['i32']);
defineImport('fd_readdir', function fd_readdir(fd, buf, buf_len, cookie, bufused) {
buf = Number(buf);
buf_len = Number(buf_len);
bufused = Number(bufused);
if (buf === 0 || bufused === 0)
return 0 /* WasiErrno.ESUCCESS */;
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_READDIR, BigInt(0));
const fs = getFs(this);
const entries = fs.readdirSync(fileDescriptor.realPath, { withFileTypes: true });
const { HEAPU8, view } = getMemory(this);
let bufferUsed = 0;
for (let i = Number(cookie); i < entries.length; i++) {
const nameData = encoder.encode(entries[i].name);
const entryInfo = fs.statSync(resolve(fileDescriptor.realPath, entries[i].name), { bigint: true });
const entryData = new Uint8Array(24 + nameData.byteLength);
const entryView = new DataView(entryData.buffer);
entryView.setBigUint64(0, BigInt(i + 1), true);
entryView.setBigUint64(8, BigInt(entryInfo.ino ? entryInfo.ino : 0), true);
entryView.setUint32(16, nameData.byteLength, true);
let type;
if (entries[i].isFile()) {
type = 4 /* WasiFileType.REGULAR_FILE */;
}
else if (entries[i].isDirectory()) {
type = 3 /* WasiFileType.DIRECTORY */;
}
else if (entries[i].isSymbolicLink()) {
type = 7 /* WasiFileType.SYMBOLIC_LINK */;
}
else if (entries[i].isCharacterDevice()) {
type = 2 /* WasiFileType.CHARACTER_DEVICE */;
}
else if (entries[i].isBlockDevice()) {
type = 1 /* WasiFileType.BLOCK_DEVICE */;
}
else if (entries[i].isSocket()) {
type = 6 /* WasiFileType.SOCKET_STREAM */;
}
else {
type = 0 /* WasiFileType.UNKNOWN */;
}
entryView.setUint8(20, type);
entryData.set(nameData, 24);
const data = entryData.slice(0, Math.min(entryData.length, buf_len - bufferUsed));
HEAPU8.set(data, buf + bufferUsed);
bufferUsed += data.byteLength;
}
view.setUint32(bufused, bufferUsed, true);
return 0 /* WasiErrno.ESUCCESS */;
}, async function fd_readdir(fd, buf, buf_len, cookie, bufused) {
buf = Number(buf);
buf_len = Number(buf_len);
bufused = Number(bufused);
if (buf === 0 || bufused === 0)
return 0 /* WasiErrno.ESUCCESS */;
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_READDIR, BigInt(0));
const fs = getFs(this);
const entries = await fs.promises.readdir(fileDescriptor.realPath, { withFileTypes: true });
const { HEAPU8, view } = getMemory(this);
let bufferUsed = 0;
for (let i = Number(cookie); i < entries.length; i++) {
const nameData = encoder.encode(entries[i].name);
const entryInfo = await fs.promises.stat(resolve(fileDescriptor.realPath, entries[i].name), { bigint: true });
const entryData = new Uint8Array(24 + nameData.byteLength);
const entryView = new DataView(entryData.buffer);
entryView.setBigUint64(0, BigInt(i + 1), true);
entryView.setBigUint64(8, BigInt(entryInfo.ino ? entryInfo.ino : 0), true);
entryView.setUint32(16, nameData.byteLength, true);
let type;
if (entries[i].isFile()) {
type = 4 /* WasiFileType.REGULAR_FILE */;
}
else if (entries[i].isDirectory()) {
type = 3 /* WasiFileType.DIRECTORY */;
}
else if (entries[i].isSymbolicLink()) {
type = 7 /* WasiFileType.SYMBOLIC_LINK */;
}
else if (entries[i].isCharacterDevice()) {
type = 2 /* WasiFileType.CHARACTER_DEVICE */;
}
else if (entries[i].isBlockDevice()) {
type = 1 /* WasiFileType.BLOCK_DEVICE */;
}
else if (entries[i].isSocket()) {
type = 6 /* WasiFileType.SOCKET_STREAM */;
}
else {
type = 0 /* WasiFileType.UNKNOWN */;
}
entryView.setUint8(20, type);
entryData.set(nameData, 24);
const data = entryData.slice(0, Math.min(entryData.length, buf_len - bufferUsed));
HEAPU8.set(data, buf + bufferUsed);
bufferUsed += data.byteLength;
}
view.setUint32(bufused, bufferUsed, true);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32', 'i32', 'i64', 'i32'], ['i32']);
defineImport('fd_renumber', function fd_renumber(from, to) {
const wasi = _wasi.get(this);
wasi.fds.renumber(to, from);
return 0 /* WasiErrno.ESUCCESS */;
}, async function fd_renumber(from, to) {
const wasi = _wasi.get(this);
await wasi.fds.renumber(to, from);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32'], ['i32']);
defineImport('fd_sync', function fd_sync(fd) {
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_SYNC, BigInt(0));
const fs = getFs(this);
fs.fsyncSync(fileDescriptor.fd);
return 0 /* WasiErrno.ESUCCESS */;
}, async function fd_sync(fd) {
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_SYNC, BigInt(0));
await fileDescriptor.fd.sync();
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32'], ['i32']);
defineImport('fd_write', function fd_write(fd, iovs, iovslen, size) {
iovs = Number(iovs);
size = Number(size);
if ((iovs === 0 && iovslen) || size === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8, view } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_WRITE, BigInt(0));
if (!iovslen) {
view.setUint32(size, 0, true);
return 0 /* WasiErrno.ESUCCESS */;
}
const buffer = concatBuffer(Array.from({ length: Number(iovslen) }, (_, i) => {
const offset = iovs + (i * 8);
const buf = view.getInt32(offset, true);
const bufLen = view.getUint32(offset + 4, true);
return HEAPU8.subarray(buf, buf + bufLen);
}));
let nwritten;
if (fd === 1 || fd === 2) {
nwritten = fileDescriptor.write(buffer);
}
else {
const fs = getFs(this);
nwritten = fs.writeSync(fileDescriptor.fd, buffer, 0, buffer.length, Number(fileDescriptor.pos));
fileDescriptor.pos += BigInt(nwritten);
}
view.setUint32(size, nwritten, true);
return 0 /* WasiErrno.ESUCCESS */;
}, async function fd_write(fd, iovs, iovslen, size) {
iovs = Number(iovs);
size = Number(size);
if ((iovs === 0 && iovslen) || size === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8, view } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.FD_WRITE, BigInt(0));
if (!iovslen) {
view.setUint32(size, 0, true);
return 0 /* WasiErrno.ESUCCESS */;
}
const buffer = concatBuffer(Array.from({ length: Number(iovslen) }, (_, i) => {
const offset = iovs + (i * 8);
const buf = view.getInt32(offset, true);
const bufLen = view.getUint32(offset + 4, true);
return HEAPU8.subarray(buf, buf + bufLen);
}));
let nwritten;
if (fd === 1 || fd === 2) {
nwritten = fileDescriptor.write(buffer);
}
else {
nwritten = await (await (fileDescriptor.fd.write(buffer, 0, buffer.length, Number(fileDescriptor.pos)))).bytesWritten;
fileDescriptor.pos += BigInt(nwritten);
}
view.setUint32(size, nwritten, true);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32', 'i32', 'i32'], ['i32']);
defineImport('path_create_directory', function path_create_directory(fd, path, path_len) {
path = Number(path);
path_len = Number(path_len);
if (path === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8 } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.PATH_CREATE_DIRECTORY, BigInt(0));
let pathString = decoder.decode(unsharedSlice(HEAPU8, path, path + path_len));
pathString = resolve(fileDescriptor.realPath, pathString);
const fs = getFs(this);
fs.mkdirSync(pathString);
return 0 /* WasiErrno.ESUCCESS */;
}, async function path_create_directory(fd, path, path_len) {
path = Number(path);
path_len = Number(path_len);
if (path === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8 } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.PATH_CREATE_DIRECTORY, BigInt(0));
let pathString = decoder.decode(unsharedSlice(HEAPU8, path, path + path_len));
pathString = resolve(fileDescriptor.realPath, pathString);
const fs = getFs(this);
await fs.promises.mkdir(pathString);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32', 'i32'], ['i32']);
defineImport('path_filestat_get', function path_filestat_get(fd, flags, path, path_len, filestat) {
path = Number(path);
path_len = Number(path_len);
filestat = Number(filestat);
if (path === 0 || filestat === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8, view } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.PATH_FILESTAT_GET, BigInt(0));
let pathString = decoder.decode(unsharedSlice(HEAPU8, path, path + path_len));
const fs = getFs(this);
pathString = resolve(fileDescriptor.realPath, pathString);
let stat;
if ((flags & 1) === 1) {
stat = fs.statSync(pathString, { bigint: true });
}
else {
stat = fs.lstatSync(pathString, { bigint: true });
}
toFileStat(view, filestat, stat);
return 0 /* WasiErrno.ESUCCESS */;
}, async function path_filestat_get(fd, flags, path, path_len, filestat) {
path = Number(path);
path_len = Number(path_len);
filestat = Number(filestat);
if (path === 0 || filestat === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8, view } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.PATH_FILESTAT_GET, BigInt(0));
let pathString = decoder.decode(unsharedSlice(HEAPU8, path, path + path_len));
const fs = getFs(this);
pathString = resolve(fileDescriptor.realPath, pathString);
let stat;
if ((flags & 1) === 1) {
stat = await fs.promises.stat(pathString, { bigint: true });
}
else {
stat = await fs.promises.lstat(pathString, { bigint: true });
}
toFileStat(view, filestat, stat);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32', 'i32', 'i32', 'i32'], ['i32']);
defineImport('path_filestat_set_times', function path_filestat_set_times(fd, flags, path, path_len, atim, mtim, fst_flags) {
path = Number(path);
path_len = Number(path_len);
if (path === 0)
return 28 /* WasiErrno.EINVAL */;
const { HEAPU8 } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.PATH_FILESTAT_SET_TIMES, BigInt(0));
if (validateFstFlagsOrReturn(fst_flags)) {
return 28 /* WasiErrno.EINVAL */;
}
const fs = getFs(this);
const resolvedPath = resolvePathSync(fs, fileDescriptor, decoder.decode(unsharedSlice(HEAPU8, path, path + path_len)), flags);
if ((fst_flags & 2 /* WasiFstFlag.SET_ATIM_NOW */) === 2 /* WasiFstFlag.SET_ATIM_NOW */) {
atim = BigInt(Date.now() * 1000000);
}
if ((fst_flags & 8 /* WasiFstFlag.SET_MTIM_NOW */) === 8 /* WasiFstFlag.SET_MTIM_NOW */) {
mtim = BigInt(Date.now() * 1000000);
}
fs.utimesSync(resolvedPath, Number(atim), Number(mtim));
return 0 /* WasiErrno.ESUCCESS */;
}, async function path_filestat_set_times(fd, flags, path, path_len, atim, mtim, fst_flags) {
path = Number(path);
path_len = Number(path_len);
if (path === 0)
return 28 /* WasiErrno.EINVAL */;
const { HEAPU8 } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.PATH_FILESTAT_SET_TIMES, BigInt(0));
if (validateFstFlagsOrReturn(fst_flags)) {
return 28 /* WasiErrno.EINVAL */;
}
const fs = getFs(this);
const resolvedPath = await resolvePathAsync(fs, fileDescriptor, decoder.decode(unsharedSlice(HEAPU8, path, path + path_len)), flags);
if ((fst_flags & 2 /* WasiFstFlag.SET_ATIM_NOW */) === 2 /* WasiFstFlag.SET_ATIM_NOW */) {
atim = BigInt(Date.now() * 1000000);
}
if ((fst_flags & 8 /* WasiFstFlag.SET_MTIM_NOW */) === 8 /* WasiFstFlag.SET_MTIM_NOW */) {
mtim = BigInt(Date.now() * 1000000);
}
await fs.promises.utimes(resolvedPath, Number(atim), Number(mtim));
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32', 'i32', 'i32', 'i64', 'i64', 'i32'], ['i32']);
defineImport('path_link', function path_link(old_fd, old_flags, old_path, old_path_len, new_fd, new_path, new_path_len) {
old_path = Number(old_path);
old_path_len = Number(old_path_len);
new_path = Number(new_path);
new_path_len = Number(new_path_len);
if (old_path === 0 || new_path === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const wasi = _wasi.get(this);
let oldWrap;
let newWrap;
if (old_fd === new_fd) {
oldWrap = newWrap = wasi.fds.get(old_fd, WasiRights.PATH_LINK_SOURCE | WasiRights.PATH_LINK_TARGET, BigInt(0));
}
else {
oldWrap = wasi.fds.get(old_fd, WasiRights.PATH_LINK_SOURCE, BigInt(0));
newWrap = wasi.fds.get(new_fd, WasiRights.PATH_LINK_TARGET, BigInt(0));
}
const { HEAPU8 } = getMemory(this);
const fs = getFs(this);
const resolvedOldPath = resolvePathSync(fs, oldWrap, decoder.decode(unsharedSlice(HEAPU8, old_path, old_path + old_path_len)), old_flags);
const resolvedNewPath = resolve(newWrap.realPath, decoder.decode(unsharedSlice(HEAPU8, new_path, new_path + new_path_len)));
fs.linkSync(resolvedOldPath, resolvedNewPath);
return 0 /* WasiErrno.ESUCCESS */;
}, async function path_link(old_fd, old_flags, old_path, old_path_len, new_fd, new_path, new_path_len) {
old_path = Number(old_path);
old_path_len = Number(old_path_len);
new_path = Number(new_path);
new_path_len = Number(new_path_len);
if (old_path === 0 || new_path === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const wasi = _wasi.get(this);
let oldWrap;
let newWrap;
if (old_fd === new_fd) {
oldWrap = newWrap = wasi.fds.get(old_fd, WasiRights.PATH_LINK_SOURCE | WasiRights.PATH_LINK_TARGET, BigInt(0));
}
else {
oldWrap = wasi.fds.get(old_fd, WasiRights.PATH_LINK_SOURCE, BigInt(0));
newWrap = wasi.fds.get(new_fd, WasiRights.PATH_LINK_TARGET, BigInt(0));
}
const { HEAPU8 } = getMemory(this);
const fs = getFs(this);
const resolvedOldPath = await resolvePathAsync(fs, oldWrap, decoder.decode(unsharedSlice(HEAPU8, old_path, old_path + old_path_len)), old_flags);
const resolvedNewPath = resolve(newWrap.realPath, decoder.decode(unsharedSlice(HEAPU8, new_path, new_path + new_path_len)));
await fs.promises.link(resolvedOldPath, resolvedNewPath);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32', 'i32', 'i32', 'i32', 'i32', 'i32'], ['i32']);
function pathOpen(o_flags, fs_rights_base, fs_rights_inheriting, fs_flags) {
const read = (fs_rights_base & (WasiRights.FD_READ |
WasiRights.FD_READDIR)) !== BigInt(0);
const write = (fs_rights_base & (WasiRights.FD_DATASYNC |
WasiRights.FD_WRITE |
WasiRights.FD_ALLOCATE |
WasiRights.FD_FILESTAT_SET_SIZE)) !== BigInt(0);
let flags = write ? read ? 2 /* FileControlFlag.O_RDWR */ : 1 /* FileControlFlag.O_WRONLY */ : 0 /* FileControlFlag.O_RDONLY */;
let needed_base = WasiRights.PATH_OPEN;
let needed_inheriting = fs_rights_base | fs_rights_inheriting;
if ((o_flags & 1 /* WasiFileControlFlag.O_CREAT */) !== 0) {
flags |= 64 /* FileControlFlag.O_CREAT */;
needed_base |= WasiRights.PATH_CREATE_FILE;
}
if ((o_flags & 2 /* WasiFileControlFlag.O_DIRECTORY */) !== 0) {
flags |= 65536 /* FileControlFlag.O_DIRECTORY */;
}
if ((o_flags & 4 /* WasiFileControlFlag.O_EXCL */) !== 0) {
flags |= 128 /* FileControlFlag.O_EXCL */;
}
if ((o_flags & 8 /* WasiFileControlFlag.O_TRUNC */) !== 0) {
flags |= 512 /* FileControlFlag.O_TRUNC */;
needed_base |= WasiRights.PATH_FILESTAT_SET_SIZE;
}
if ((fs_flags & 1 /* WasiFdFlag.APPEND */) !== 0) {
flags |= 1024 /* FileControlFlag.O_APPEND */;
}
if ((fs_flags & 2 /* WasiFdFlag.DSYNC */) !== 0) {
// flags |= FileControlFlag.O_DSYNC;
needed_inheriting |= WasiRights.FD_DATASYNC;
}
if ((fs_flags & 4 /* WasiFdFlag.NONBLOCK */) !== 0) {
flags |= 2048 /* FileControlFlag.O_NONBLOCK */;
}
if ((fs_flags & 8 /* WasiFdFlag.RSYNC */) !== 0) {
flags |= 1052672 /* FileControlFlag.O_SYNC */;
needed_inheriting |= WasiRights.FD_SYNC;
}
if ((fs_flags & 16 /* WasiFdFlag.SYNC */) !== 0) {
flags |= 1052672 /* FileControlFlag.O_SYNC */;
needed_inheriting |= WasiRights.FD_SYNC;
}
if (write && (flags & (1024 /* FileControlFlag.O_APPEND */ | 512 /* FileControlFlag.O_TRUNC */)) === 0) {
needed_inheriting |= WasiRights.FD_SEEK;
}
return { flags, needed_base, needed_inheriting };
}
defineImport('path_open', function path_open(dirfd, dirflags, path, path_len, o_flags, fs_rights_base, fs_rights_inheriting, fs_flags, fd) {
path = Number(path);
fd = Number(fd);
if (path === 0 || fd === 0) {
return 28 /* WasiErrno.EINVAL */;
}
path_len = Number(path_len);
fs_rights_base = BigInt(fs_rights_base);
fs_rights_inheriting = BigInt(fs_rights_inheriting);
const { flags: flagsRes, needed_base: neededBase, needed_inheriting: neededInheriting } = pathOpen(o_flags, fs_rights_base, fs_rights_inheriting, fs_flags);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(dirfd, neededBase, neededInheriting);
const memory = getMemory(this);
const HEAPU8 = memory.HEAPU8;
const pathString = decoder.decode(unsharedSlice(HEAPU8, path, path + path_len));
const fs = getFs(this);
const resolved_path = resolvePathSync(fs, fileDescriptor, pathString, dirflags);
const r = fs.openSync(resolved_path, flagsRes, 0o666);
const filetype = wasi.fds.getFileTypeByFd(r);
if ((filetype !== 3 /* WasiFileType.DIRECTORY */) &&
((o_flags & 2 /* WasiFileControlFlag.O_DIRECTORY */) !== 0 ||
(resolved_path.endsWith('/')))) {
return 54 /* WasiErrno.ENOTDIR */;
}
const { base: max_base, inheriting: max_inheriting } = getRights(wasi.fds.stdio, r, flagsRes, filetype);
const wrap = wasi.fds.insert(r, resolved_path, resolved_path, filetype, fs_rights_base & max_base, fs_rights_inheriting & max_inheriting, 0);
const stat = fs.fstatSync(r, { bigint: true });
if (stat.isFile()) {
wrap.size = stat.size;
if ((flagsRes & 1024 /* FileControlFlag.O_APPEND */) !== 0) {
wrap.pos = stat.size;
}
}
const view = memory.view;
view.setInt32(fd, wrap.id, true);
return 0 /* WasiErrno.ESUCCESS */;
}, async function path_open(dirfd, dirflags, path, path_len, o_flags, fs_rights_base, fs_rights_inheriting, fs_flags, fd) {
path = Number(path);
fd = Number(fd);
if (path === 0 || fd === 0) {
return 28 /* WasiErrno.EINVAL */;
}
path_len = Number(path_len);
fs_rights_base = BigInt(fs_rights_base);
fs_rights_inheriting = BigInt(fs_rights_inheriting);
const { flags: flagsRes, needed_base: neededBase, needed_inheriting: neededInheriting } = pathOpen(o_flags, fs_rights_base, fs_rights_inheriting, fs_flags);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(dirfd, neededBase, neededInheriting);
const memory = getMemory(this);
const HEAPU8 = memory.HEAPU8;
const pathString = decoder.decode(unsharedSlice(HEAPU8, path, path + path_len));
const fs = getFs(this);
const resolved_path = await resolvePathAsync(fs, fileDescriptor, pathString, dirflags);
const r = await fs.promises.open(resolved_path, flagsRes, 0o666);
const filetype = await wasi.fds.getFileTypeByFd(r);
if ((o_flags & 2 /* WasiFileControlFlag.O_DIRECTORY */) !== 0 && filetype !== 3 /* WasiFileType.DIRECTORY */) {
return 54 /* WasiErrno.ENOTDIR */;
}
const { base: max_base, inheriting: max_inheriting } = getRights(wasi.fds.stdio, r.fd, flagsRes, filetype);
const wrap = wasi.fds.insert(r, resolved_path, resolved_path, filetype, fs_rights_base & max_base, fs_rights_inheriting & max_inheriting, 0);
const stat = await r.stat({ bigint: true });
if (stat.isFile()) {
wrap.size = stat.size;
if ((flagsRes & 1024 /* FileControlFlag.O_APPEND */) !== 0) {
wrap.pos = stat.size;
}
}
const view = memory.view;
view.setInt32(fd, wrap.id, true);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32', 'i32', 'i32', 'i32', 'i64', 'i64', 'i32', 'i32'], ['i32']);
defineImport('path_readlink', function path_readlink(fd, path, path_len, buf, buf_len, bufused) {
path = Number(path);
path_len = Number(path_len);
buf = Number(buf);
buf_len = Number(buf_len);
bufused = Number(bufused);
if (path === 0 || buf === 0 || bufused === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8, view } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.PATH_READLINK, BigInt(0));
let pathString = decoder.decode(unsharedSlice(HEAPU8, path, path + path_len));
pathString = resolve(fileDescriptor.realPath, pathString);
const fs = getFs(this);
const link = fs.readlinkSync(pathString);
const linkData = encoder.encode(link);
const len = Math.min(linkData.length, buf_len);
if (len >= buf_len)
return 42 /* WasiErrno.ENOBUFS */;
HEAPU8.set(linkData.subarray(0, len), buf);
HEAPU8[buf + len] = 0;
view.setUint32(bufused, len, true);
return 0 /* WasiErrno.ESUCCESS */;
}, async function path_readlink(fd, path, path_len, buf, buf_len, bufused) {
path = Number(path);
path_len = Number(path_len);
buf = Number(buf);
buf_len = Number(buf_len);
bufused = Number(bufused);
if (path === 0 || buf === 0 || bufused === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8, view } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.PATH_READLINK, BigInt(0));
let pathString = decoder.decode(unsharedSlice(HEAPU8, path, path + path_len));
pathString = resolve(fileDescriptor.realPath, pathString);
const fs = getFs(this);
const link = await fs.promises.readlink(pathString);
const linkData = encoder.encode(link);
const len = Math.min(linkData.length, buf_len);
if (len >= buf_len)
return 42 /* WasiErrno.ENOBUFS */;
HEAPU8.set(linkData.subarray(0, len), buf);
HEAPU8[buf + len] = 0;
view.setUint32(bufused, len, true);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32', 'i32', 'i32', 'i32', 'i32'], ['i32']);
defineImport('path_remove_directory', function path_remove_directory(fd, path, path_len) {
path = Number(path);
path_len = Number(path_len);
if (path === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8 } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.PATH_REMOVE_DIRECTORY, BigInt(0));
let pathString = decoder.decode(unsharedSlice(HEAPU8, path, path + path_len));
pathString = resolve(fileDescriptor.realPath, pathString);
const fs = getFs(this);
fs.rmdirSync(pathString);
return 0 /* WasiErrno.ESUCCESS */;
}, async function path_remove_directory(fd, path, path_len) {
path = Number(path);
path_len = Number(path_len);
if (path === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8 } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.PATH_REMOVE_DIRECTORY, BigInt(0));
let pathString = decoder.decode(unsharedSlice(HEAPU8, path, path + path_len));
pathString = resolve(fileDescriptor.realPath, pathString);
const fs = getFs(this);
await fs.promises.rmdir(pathString);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32', 'i32'], ['i32']);
defineImport('path_rename', function path_rename(old_fd, old_path, old_path_len, new_fd, new_path, new_path_len) {
old_path = Number(old_path);
old_path_len = Number(old_path_len);
new_path = Number(new_path);
new_path_len = Number(new_path_len);
if (old_path === 0 || new_path === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const wasi = _wasi.get(this);
let oldWrap;
let newWrap;
if (old_fd === new_fd) {
oldWrap = newWrap = wasi.fds.get(old_fd, WasiRights.PATH_RENAME_SOURCE | WasiRights.PATH_RENAME_TARGET, BigInt(0));
}
else {
oldWrap = wasi.fds.get(old_fd, WasiRights.PATH_RENAME_SOURCE, BigInt(0));
newWrap = wasi.fds.get(new_fd, WasiRights.PATH_RENAME_TARGET, BigInt(0));
}
const { HEAPU8 } = getMemory(this);
const resolvedOldPath = resolve(oldWrap.realPath, decoder.decode(unsharedSlice(HEAPU8, old_path, old_path + old_path_len)));
const resolvedNewPath = resolve(newWrap.realPath, decoder.decode(unsharedSlice(HEAPU8, new_path, new_path + new_path_len)));
const fs = getFs(this);
fs.renameSync(resolvedOldPath, resolvedNewPath);
return 0 /* WasiErrno.ESUCCESS */;
}, async function path_rename(old_fd, old_path, old_path_len, new_fd, new_path, new_path_len) {
old_path = Number(old_path);
old_path_len = Number(old_path_len);
new_path = Number(new_path);
new_path_len = Number(new_path_len);
if (old_path === 0 || new_path === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const wasi = _wasi.get(this);
let oldWrap;
let newWrap;
if (old_fd === new_fd) {
oldWrap = newWrap = wasi.fds.get(old_fd, WasiRights.PATH_RENAME_SOURCE | WasiRights.PATH_RENAME_TARGET, BigInt(0));
}
else {
oldWrap = wasi.fds.get(old_fd, WasiRights.PATH_RENAME_SOURCE, BigInt(0));
newWrap = wasi.fds.get(new_fd, WasiRights.PATH_RENAME_TARGET, BigInt(0));
}
const { HEAPU8 } = getMemory(this);
const resolvedOldPath = resolve(oldWrap.realPath, decoder.decode(unsharedSlice(HEAPU8, old_path, old_path + old_path_len)));
const resolvedNewPath = resolve(newWrap.realPath, decoder.decode(unsharedSlice(HEAPU8, new_path, new_path + new_path_len)));
const fs = getFs(this);
await fs.promises.rename(resolvedOldPath, resolvedNewPath);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32', 'i32', 'i32', 'i32', 'i32'], ['i32']);
defineImport('path_symlink', function path_symlink(old_path, old_path_len, fd, new_path, new_path_len) {
old_path = Number(old_path);
old_path_len = Number(old_path_len);
new_path = Number(new_path);
new_path_len = Number(new_path_len);
if (old_path === 0 || new_path === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8 } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.PATH_SYMLINK, BigInt(0));
const oldPath = decoder.decode(unsharedSlice(HEAPU8, old_path, old_path + old_path_len));
if (oldPath.length > 0 && oldPath[0] === '/') {
return 63 /* WasiErrno.EPERM */;
}
let newPath = decoder.decode(unsharedSlice(HEAPU8, new_path, new_path + new_path_len));
newPath = resolve(fileDescriptor.realPath, newPath);
const fs = getFs(this);
fs.symlinkSync(oldPath, newPath);
return 0 /* WasiErrno.ESUCCESS */;
}, async function path_symlink(old_path, old_path_len, fd, new_path, new_path_len) {
old_path = Number(old_path);
old_path_len = Number(old_path_len);
new_path = Number(new_path);
new_path_len = Number(new_path_len);
if (old_path === 0 || new_path === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8 } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.PATH_SYMLINK, BigInt(0));
const oldPath = decoder.decode(unsharedSlice(HEAPU8, old_path, old_path + old_path_len));
let newPath = decoder.decode(unsharedSlice(HEAPU8, new_path, new_path + new_path_len));
newPath = resolve(fileDescriptor.realPath, newPath);
const fs = getFs(this);
await fs.promises.symlink(oldPath, newPath);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32', 'i32', 'i32', 'i32'], ['i32']);
defineImport('path_unlink_file', function path_unlink_file(fd, path, path_len) {
path = Number(path);
path_len = Number(path_len);
if (path === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8 } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.PATH_UNLINK_FILE, BigInt(0));
let pathString = decoder.decode(unsharedSlice(HEAPU8, path, path + path_len));
pathString = resolve(fileDescriptor.realPath, pathString);
const fs = getFs(this);
fs.unlinkSync(pathString);
return 0 /* WasiErrno.ESUCCESS */;
}, async function path_unlink_file(fd, path, path_len) {
path = Number(path);
path_len = Number(path_len);
if (path === 0) {
return 28 /* WasiErrno.EINVAL */;
}
const { HEAPU8 } = getMemory(this);
const wasi = _wasi.get(this);
const fileDescriptor = wasi.fds.get(fd, WasiRights.PATH_UNLINK_FILE, BigInt(0));
let pathString = decoder.decode(unsharedSlice(HEAPU8, path, path + path_len));
pathString = resolve(fileDescriptor.realPath, pathString);
const fs = getFs(this);
await fs.promises.unlink(pathString);
return 0 /* WasiErrno.ESUCCESS */;
}, ['i32', 'i32', 'i32'], ['i32']);
this._setMemory = function setMemory(m) {
if (!(m instanceof _WebAssembly.Memory)) {
throw new TypeError('"instance.exports.memory" property must be a WebAssembly.Memory');
}
_memory.set(_this, extendMemory(m));
};
}
static createSync(args, env, preopens, stdio, fs, print, printErr) {
const fds = new SyncTable({
size: 3,
in: stdio[0],
out: stdio[1],
err: stdio[2],
fs,
print,
printErr
});
const _this = new WASI$1(args, env, fds, false, fs);
if (preopens.length > 0) {
for (let i = 0; i < preopens.length; ++i) {
const realPath = fs.realpathSync(preopens[i].realPath, 'utf8');
const fd = fs.openSync(realPath, 'r', 0o666);
fds.insertPreopen(fd, preopens[i].mappedPath, realPath);
}
}
return _this;
}
static async createAsync(args, env, preopens, stdio, fs, print, printErr, asyncify) {
const fds = new AsyncTable({
size: 3,
in: stdio[0],
out: stdio[1],
err: stdio[2],
print,
printErr
});
const _this = new WASI$1(args, env, fds, true, fs, asyncify);
if (preopens.length > 0) {
for (let i = 0; i < preopens.length; ++i) {
const entry = preopens[i];
const realPath = await fs.promises.realpath(entry.realPath);
const fd = await fs.promises.open(realPath, 'r', 0o666);
await fds.insertPreopen(fd, entry.mappedPath, realPath);
}
}
return _this;
}
}
// eslint-disable-next-line spaced-comment
const kEmptyObject = /*#__PURE__*/ Object.freeze(/*#__PURE__*/ Object.create(null));
const kExitCode = Symbol('kExitCode');
const kSetMemory = Symbol('kSetMemory');
const kStarted = Symbol('kStarted');
const kInstance = Symbol('kInstance');
const kBindingName = Symbol('kBindingName');
function validateOptions(options) {
var _a;
validateObject(options, 'options');
let _WASI;
if (options.version !== undefined) {
validateString(options.version, 'options.version');
switch (options.version) {
case 'unstable':
_WASI = WASI$1;
this[kBindingName] = 'wasi_unstable';
break;
case 'preview1':
_WASI = WASI$1;
this[kBindingName] = 'wasi_snapshot_preview1';
break;
default:
throw new TypeError(`unsupported WASI version "${options.version}"`);
}
}
else {
_WASI = WASI$1;
this[kBindingName] = 'wasi_snapshot_preview1';
}
if (options.args !== undefined) {
validateArray(options.args, 'options.args');
}
const args = ((_a = options.args) !== null && _a !== void 0 ? _a : []).map(String);
const env = [];
if (options.env !== undefined) {
validateObject(options.env, 'options.env');
Object.entries(options.env).forEach(({ 0: key, 1: value }) => {
if (value !== undefined) {
env.push(`${key}=${value}`);
}
});
}
const preopens = [];
if (options.preopens !== undefined) {
validateObject(options.preopens, 'options.preopens');
Object.entries(options.preopens).forEach(({ 0: key, 1: value }) => preopens.push({ mappedPath: String(key), realPath: String(value) }));
}
if (preopens.length > 0) {
if (options.fs === undefined) {
throw new Error('filesystem is disabled, can not preopen directory');
}
try {
validateObject(options.fs, 'options.fs');
}
catch (_) {
throw new TypeError('Node.js fs like implementation is not provided');
}
}
// if (options.filesystem !== undefined) {
// validateObject(options.filesystem, 'options.filesystem')
// validateString(options.filesystem.type, 'options.filesystem.type')
// if (options.filesystem.type !== 'memfs' && options.filesystem.type !== 'file-system-access-api') {
// throw new Error(`Filesystem type ${(options.filesystem as any).type as string} is not supported, only "memfs" and "file-system-access-api" is supported currently`)
// }
// try {
// validateObject(options.filesystem.fs, 'options.filesystem.fs')
// } catch (_) {
// throw new Error('Node.js fs like implementation is not provided')
// }
// }
if (options.print !== undefined)
validateFunction(options.print, 'options.print');
if (options.printErr !== undefined)
validateFunction(options.printErr, 'options.printErr');
if (options.returnOnExit !== undefined) {
validateBoolean(options.returnOnExit, 'options.returnOnExit');
}
// const { stdin = 0, stdout = 1, stderr = 2 } = options
// validateInt32(stdin, 'options.stdin', 0)
// validateInt32(stdout, 'options.stdout', 0)
// validateInt32(stderr, 'options.stderr', 0)
// const stdio = [stdin, stdout, stderr] as const
const stdio = [0, 1, 2];
return {
args,
env,
preopens,
stdio,
_WASI
};
}
function initWASI(setMemory, wrap) {
this[kSetMemory] = setMemory;
this.wasiImport = wrap;
this[kStarted] = false;
this[kExitCode] = 0;
this[kInstance] = undefined;
}
/** @public */
class WASI {
constructor(options = kEmptyObject) {
const { args, env, preopens, stdio, _WASI } = validateOptions.call(this, options);
const wrap = _WASI.createSync(args, env, preopens, stdio, options.fs, options.print, options.printErr);
const setMemory = wrap._setMemory;
delete wrap._setMemory;
initWASI.call(this, setMemory, wrap);
if (options.returnOnExit) {
wrap.proc_exit = wasiReturnOnProcExit.bind(this);
}
}
finalizeBindings(instance, _a) {
var _b;
var { memory = (_b = instance === null || instance === void 0 ? void 0 : instance.exports) === null || _b === void 0 ? void 0 : _b.memory } = _a === void 0 ? {} : _a;
if (this[kStarted]) {
throw new Error('WASI instance has already started');
}
validateObject(instance, 'instance');
validateObject(instance.exports, 'instance.exports');
this[kSetMemory](memory);
this[kInstance] = instance;
this[kStarted] = true;
}
// Must not export _initialize, must export _start
start(instance) {
this.finalizeBindings(instance);
const { _start, _initialize } = this[kInstance].exports;
validateFunction(_start, 'instance.exports._start');
validateUndefined(_initialize, 'instance.exports._initialize');
let ret;
try {
ret = _start();
}
catch (err) {
if (err !== kExitCode) {
throw err;
}
}
if (ret instanceof Promise) {
return ret.then(() => this[kExitCode], (err) => {
if (err !== kExitCode) {
throw err;
}
return this[kExitCode];
});
}
return this[kExitCode];
}
// Must not export _start, may optionally export _initialize
initialize(instance) {
this.finalizeBindings(instance);
const { _start, _initialize } = this[kInstance].exports;
validateUndefined(_start, 'instance.exports._start');
if (_initialize !== undefined) {
validateFunction(_initialize, 'instance.exports._initialize');
return _initialize();
}
}
getImportObject() {
return { [this[kBindingName]]: this.wasiImport };
}
}
function wasiReturnOnProcExit(rval) {
this[kExitCode] = rval;
// eslint-disable-next-line @typescript-eslint/no-throw-literal
throw kExitCode;
}
/** @public */
async function createAsyncWASI(options = kEmptyObject) {
const _this = Object.create(WASI.prototype);
const { args, env, preopens, stdio, _WASI } = validateOptions.call(_this, options);
if (options.asyncify !== undefined) {
validateObject(options.asyncify, 'options.asyncify');
validateFunction(options.asyncify.wrapImportFunction, 'options.asyncify.wrapImportFunction');
}
const wrap = await _WASI.createAsync(args, env, preopens, stdio, options.fs, options.print, options.printErr, options.asyncify);
const setMemory = wrap._setMemory;
delete wrap._setMemory;
initWASI.call(_this, setMemory, wrap);
if (options.returnOnExit) {
wrap.proc_exit = wasiReturnOnProcExit.bind(_this);
}
return _this;
}
export { Asyncify, Memory, WASI, WebAssemblyMemory, asyncifyLoad, asyncifyLoadSync, createAsyncWASI, extendMemory, load, loadSync, wrapAsyncExport, wrapAsyncImport, wrapExports };
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