wasm: fix walltime link error by adding up-to-date wasm_exec.js
Solves link error while running rclone's wasm version. Go's `walltime1` function was renamed to `walltime`. This commit updates wasm_exec.js with the new name.
This commit is contained in:
João Henrique Franco
Nick Craig-Wood
parent
dfc21a5b9e
commit
ac38744e69
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@ -2,53 +2,32 @@
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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"use strict";
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(() => {
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// Map multiple JavaScript environments to a single common API,
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// preferring web standards over Node.js API.
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//
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// Environments considered:
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// - Browsers
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// - Node.js
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// - Electron
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// - Parcel
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if (typeof global !== "undefined") {
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// global already exists
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} else if (typeof window !== "undefined") {
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window.global = window;
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} else if (typeof self !== "undefined") {
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self.global = self;
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} else {
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throw new Error("cannot export Go (neither global, window nor self is defined)");
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}
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if (!global.require && typeof require !== "undefined") {
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global.require = require;
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}
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if (!global.fs && global.require) {
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const fs = require("fs");
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if (Object.keys(fs) !== 0) {
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global.fs = fs;
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}
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}
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const enosys = () => {
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const err = new Error("not implemented");
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err.code = "ENOSYS";
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return err;
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};
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if (!global.fs) {
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if (!globalThis.fs) {
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let outputBuf = "";
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global.fs = {
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constants: { O_WRONLY: -1, O_RDWR: -1, O_CREAT: -1, O_TRUNC: -1, O_APPEND: -1, O_EXCL: -1 }, // unused
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globalThis.fs = {
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constants: {
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O_WRONLY: -1,
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O_RDWR: -1,
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O_CREAT: -1,
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O_TRUNC: -1,
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O_APPEND: -1,
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O_EXCL: -1,
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}, // unused
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writeSync(fd, buf) {
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outputBuf += decoder.decode(buf);
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const nl = outputBuf.lastIndexOf("\n");
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if (nl != -1) {
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console.log(outputBuf.substr(0, nl));
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outputBuf = outputBuf.substr(nl + 1);
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console.log(outputBuf.substring(0, nl));
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outputBuf = outputBuf.substring(nl + 1);
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}
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return buf.length;
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},
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@ -60,79 +39,137 @@
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const n = this.writeSync(fd, buf);
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callback(null, n);
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},
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chmod(path, mode, callback) { callback(enosys()); },
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chown(path, uid, gid, callback) { callback(enosys()); },
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close(fd, callback) { callback(enosys()); },
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fchmod(fd, mode, callback) { callback(enosys()); },
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fchown(fd, uid, gid, callback) { callback(enosys()); },
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fstat(fd, callback) { callback(enosys()); },
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fsync(fd, callback) { callback(null); },
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ftruncate(fd, length, callback) { callback(enosys()); },
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lchown(path, uid, gid, callback) { callback(enosys()); },
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link(path, link, callback) { callback(enosys()); },
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lstat(path, callback) { callback(enosys()); },
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mkdir(path, perm, callback) { callback(enosys()); },
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open(path, flags, mode, callback) { callback(enosys()); },
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read(fd, buffer, offset, length, position, callback) { callback(enosys()); },
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readdir(path, callback) { callback(enosys()); },
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readlink(path, callback) { callback(enosys()); },
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rename(from, to, callback) { callback(enosys()); },
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rmdir(path, callback) { callback(enosys()); },
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stat(path, callback) { callback(enosys()); },
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symlink(path, link, callback) { callback(enosys()); },
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truncate(path, length, callback) { callback(enosys()); },
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unlink(path, callback) { callback(enosys()); },
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utimes(path, atime, mtime, callback) { callback(enosys()); },
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chmod(path, mode, callback) {
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callback(enosys());
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},
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chown(path, uid, gid, callback) {
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callback(enosys());
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},
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close(fd, callback) {
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callback(enosys());
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},
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fchmod(fd, mode, callback) {
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callback(enosys());
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},
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fchown(fd, uid, gid, callback) {
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callback(enosys());
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},
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fstat(fd, callback) {
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callback(enosys());
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},
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fsync(fd, callback) {
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callback(null);
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},
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ftruncate(fd, length, callback) {
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callback(enosys());
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},
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lchown(path, uid, gid, callback) {
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callback(enosys());
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},
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link(path, link, callback) {
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callback(enosys());
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},
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lstat(path, callback) {
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callback(enosys());
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},
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mkdir(path, perm, callback) {
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callback(enosys());
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},
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open(path, flags, mode, callback) {
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callback(enosys());
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},
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read(fd, buffer, offset, length, position, callback) {
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callback(enosys());
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},
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readdir(path, callback) {
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callback(enosys());
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},
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readlink(path, callback) {
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callback(enosys());
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},
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rename(from, to, callback) {
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callback(enosys());
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},
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rmdir(path, callback) {
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callback(enosys());
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},
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stat(path, callback) {
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callback(enosys());
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},
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symlink(path, link, callback) {
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callback(enosys());
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},
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truncate(path, length, callback) {
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callback(enosys());
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},
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unlink(path, callback) {
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callback(enosys());
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},
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utimes(path, atime, mtime, callback) {
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callback(enosys());
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},
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};
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}
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if (!global.process) {
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global.process = {
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getuid() { return -1; },
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getgid() { return -1; },
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geteuid() { return -1; },
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getegid() { return -1; },
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getgroups() { throw enosys(); },
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if (!globalThis.process) {
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globalThis.process = {
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getuid() {
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return -1;
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},
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getgid() {
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return -1;
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},
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geteuid() {
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return -1;
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},
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getegid() {
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return -1;
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},
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getgroups() {
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throw enosys();
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},
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pid: -1,
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ppid: -1,
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umask() { throw enosys(); },
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cwd() { throw enosys(); },
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chdir() { throw enosys(); },
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}
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}
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if (!global.crypto) {
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const nodeCrypto = require("crypto");
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global.crypto = {
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getRandomValues(b) {
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nodeCrypto.randomFillSync(b);
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umask() {
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throw enosys();
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},
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cwd() {
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throw enosys();
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},
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chdir() {
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throw enosys();
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},
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};
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}
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if (!global.performance) {
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global.performance = {
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now() {
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const [sec, nsec] = process.hrtime();
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return sec * 1000 + nsec / 1000000;
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},
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};
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if (!globalThis.crypto) {
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throw new Error(
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"globalThis.crypto is not available, polyfill required (crypto.getRandomValues only)",
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);
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}
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if (!global.TextEncoder) {
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global.TextEncoder = require("util").TextEncoder;
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if (!globalThis.performance) {
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throw new Error(
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"globalThis.performance is not available, polyfill required (performance.now only)",
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);
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}
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if (!global.TextDecoder) {
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global.TextDecoder = require("util").TextDecoder;
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if (!globalThis.TextEncoder) {
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throw new Error(
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"globalThis.TextEncoder is not available, polyfill required",
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);
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}
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// End of polyfills for common API.
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if (!globalThis.TextDecoder) {
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throw new Error(
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"globalThis.TextDecoder is not available, polyfill required",
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);
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}
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const encoder = new TextEncoder("utf-8");
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const decoder = new TextDecoder("utf-8");
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global.Go = class {
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globalThis.Go = class {
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constructor() {
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this.argv = ["js"];
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this.env = {};
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@ -151,13 +188,13 @@
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const setInt64 = (addr, v) => {
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this.mem.setUint32(addr + 0, v, true);
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this.mem.setUint32(addr + 4, Math.floor(v / 4294967296), true);
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}
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};
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const getInt64 = (addr) => {
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const low = this.mem.getUint32(addr + 0, true);
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const high = this.mem.getInt32(addr + 4, true);
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return low + high * 4294967296;
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}
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};
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const loadValue = (addr) => {
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const f = this.mem.getFloat64(addr, true);
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@ -170,7 +207,7 @@
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const id = this.mem.getUint32(addr, true);
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return this._values[id];
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}
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};
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const storeValue = (addr, v) => {
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const nanHead = 0x7FF80000;
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@ -220,13 +257,13 @@
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}
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this.mem.setUint32(addr + 4, nanHead | typeFlag, true);
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this.mem.setUint32(addr, id, true);
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}
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};
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const loadSlice = (addr) => {
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const array = getInt64(addr + 0);
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const len = getInt64(addr + 8);
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return new Uint8Array(this._inst.exports.mem.buffer, array, len);
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}
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};
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const loadSliceOfValues = (addr) => {
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const array = getInt64(addr + 0);
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@ -236,13 +273,15 @@
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a[i] = loadValue(array + i * 8);
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}
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return a;
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}
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};
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const loadString = (addr) => {
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const saddr = getInt64(addr + 0);
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const len = getInt64(addr + 8);
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return decoder.decode(new DataView(this._inst.exports.mem.buffer, saddr, len));
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}
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return decoder.decode(
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new DataView(this._inst.exports.mem.buffer, saddr, len),
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);
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};
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const timeOrigin = Date.now() - performance.now();
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this.importObject = {
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@ -254,6 +293,7 @@
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// func wasmExit(code int32)
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"runtime.wasmExit": (sp) => {
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sp >>>= 0;
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const code = this.mem.getInt32(sp + 8, true);
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this.exited = true;
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delete this._inst;
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@ -266,34 +306,44 @@
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// func wasmWrite(fd uintptr, p unsafe.Pointer, n int32)
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"runtime.wasmWrite": (sp) => {
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sp >>>= 0;
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const fd = getInt64(sp + 8);
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const p = getInt64(sp + 16);
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const n = this.mem.getInt32(sp + 24, true);
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fs.writeSync(fd, new Uint8Array(this._inst.exports.mem.buffer, p, n));
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fs.writeSync(
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fd,
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new Uint8Array(this._inst.exports.mem.buffer, p, n),
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);
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},
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// func resetMemoryDataView()
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"runtime.resetMemoryDataView": (sp) => {
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sp >>>= 0;
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this.mem = new DataView(this._inst.exports.mem.buffer);
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},
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// func nanotime1() int64
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"runtime.nanotime1": (sp) => {
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sp >>>= 0;
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setInt64(sp + 8, (timeOrigin + performance.now()) * 1000000);
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},
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// func walltime1() (sec int64, nsec int32)
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"runtime.walltime1": (sp) => {
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const msec = (new Date).getTime();
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// func walltime() (sec int64, nsec int32)
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"runtime.walltime": (sp) => {
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sp >>>= 0;
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const msec = (new Date()).getTime();
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setInt64(sp + 8, msec / 1000);
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this.mem.setInt32(sp + 16, (msec % 1000) * 1000000, true);
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},
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// func scheduleTimeoutEvent(delay int64) int32
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"runtime.scheduleTimeoutEvent": (sp) => {
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sp >>>= 0;
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const id = this._nextCallbackTimeoutID;
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this._nextCallbackTimeoutID++;
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this._scheduledTimeouts.set(id, setTimeout(
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this._scheduledTimeouts.set(
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id,
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setTimeout(
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() => {
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this._resume();
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while (this._scheduledTimeouts.has(id)) {
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@ -304,12 +354,14 @@
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}
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},
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getInt64(sp + 8) + 1, // setTimeout has been seen to fire up to 1 millisecond early
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));
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),
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);
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this.mem.setInt32(sp + 16, id, true);
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},
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// func clearTimeoutEvent(id int32)
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"runtime.clearTimeoutEvent": (sp) => {
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sp >>>= 0;
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const id = this.mem.getInt32(sp + 8, true);
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clearTimeout(this._scheduledTimeouts.get(id));
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this._scheduledTimeouts.delete(id);
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@ -317,11 +369,13 @@
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// func getRandomData(r []byte)
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"runtime.getRandomData": (sp) => {
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sp >>>= 0;
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crypto.getRandomValues(loadSlice(sp + 8));
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},
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// func finalizeRef(v ref)
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"syscall/js.finalizeRef": (sp) => {
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sp >>>= 0;
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const id = this.mem.getUint32(sp + 8, true);
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this._goRefCounts[id]--;
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if (this._goRefCounts[id] === 0) {
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@ -334,47 +388,66 @@
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// func stringVal(value string) ref
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"syscall/js.stringVal": (sp) => {
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sp >>>= 0;
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storeValue(sp + 24, loadString(sp + 8));
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},
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// func valueGet(v ref, p string) ref
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"syscall/js.valueGet": (sp) => {
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sp >>>= 0;
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const result = Reflect.get(loadValue(sp + 8), loadString(sp + 16));
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sp = this._inst.exports.getsp(); // see comment above
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sp = this._inst.exports.getsp() >>> 0; // see comment above
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storeValue(sp + 32, result);
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},
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// func valueSet(v ref, p string, x ref)
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"syscall/js.valueSet": (sp) => {
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Reflect.set(loadValue(sp + 8), loadString(sp + 16), loadValue(sp + 32));
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sp >>>= 0;
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Reflect.set(
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loadValue(sp + 8),
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loadString(sp + 16),
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loadValue(sp + 32),
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);
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},
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// func valueDelete(v ref, p string)
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"syscall/js.valueDelete": (sp) => {
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sp >>>= 0;
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Reflect.deleteProperty(loadValue(sp + 8), loadString(sp + 16));
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},
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// func valueIndex(v ref, i int) ref
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"syscall/js.valueIndex": (sp) => {
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storeValue(sp + 24, Reflect.get(loadValue(sp + 8), getInt64(sp + 16)));
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sp >>>= 0;
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storeValue(
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sp + 24,
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Reflect.get(loadValue(sp + 8), getInt64(sp + 16)),
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);
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},
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// valueSetIndex(v ref, i int, x ref)
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"syscall/js.valueSetIndex": (sp) => {
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Reflect.set(loadValue(sp + 8), getInt64(sp + 16), loadValue(sp + 24));
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sp >>>= 0;
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Reflect.set(
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loadValue(sp + 8),
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getInt64(sp + 16),
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loadValue(sp + 24),
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);
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},
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// func valueCall(v ref, m string, args []ref) (ref, bool)
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"syscall/js.valueCall": (sp) => {
|
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sp >>>= 0;
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try {
|
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const v = loadValue(sp + 8);
|
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const m = Reflect.get(v, loadString(sp + 16));
|
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const args = loadSliceOfValues(sp + 32);
|
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const result = Reflect.apply(m, v, args);
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sp = this._inst.exports.getsp(); // see comment above
|
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sp = this._inst.exports.getsp() >>> 0; // see comment above
|
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storeValue(sp + 56, result);
|
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this.mem.setUint8(sp + 64, 1);
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} catch (err) {
|
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sp = this._inst.exports.getsp() >>> 0; // see comment above
|
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storeValue(sp + 56, err);
|
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this.mem.setUint8(sp + 64, 0);
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}
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|
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@ -382,14 +455,16 @@
|
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|
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// func valueInvoke(v ref, args []ref) (ref, bool)
|
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"syscall/js.valueInvoke": (sp) => {
|
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sp >>>= 0;
|
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try {
|
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const v = loadValue(sp + 8);
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const args = loadSliceOfValues(sp + 16);
|
||||
const result = Reflect.apply(v, undefined, args);
|
||||
sp = this._inst.exports.getsp(); // see comment above
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 40, result);
|
||||
this.mem.setUint8(sp + 48, 1);
|
||||
} catch (err) {
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 40, err);
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
}
|
||||
|
|
@ -397,14 +472,16 @@
|
|||
|
||||
// func valueNew(v ref, args []ref) (ref, bool)
|
||||
"syscall/js.valueNew": (sp) => {
|
||||
sp >>>= 0;
|
||||
try {
|
||||
const v = loadValue(sp + 8);
|
||||
const args = loadSliceOfValues(sp + 16);
|
||||
const result = Reflect.construct(v, args);
|
||||
sp = this._inst.exports.getsp(); // see comment above
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 40, result);
|
||||
this.mem.setUint8(sp + 48, 1);
|
||||
} catch (err) {
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 40, err);
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
}
|
||||
|
|
@ -412,11 +489,13 @@
|
|||
|
||||
// func valueLength(v ref) int
|
||||
"syscall/js.valueLength": (sp) => {
|
||||
sp >>>= 0;
|
||||
setInt64(sp + 16, parseInt(loadValue(sp + 8).length));
|
||||
},
|
||||
|
||||
// valuePrepareString(v ref) (ref, int)
|
||||
"syscall/js.valuePrepareString": (sp) => {
|
||||
sp >>>= 0;
|
||||
const str = encoder.encode(String(loadValue(sp + 8)));
|
||||
storeValue(sp + 16, str);
|
||||
setInt64(sp + 24, str.length);
|
||||
|
|
@ -424,20 +503,28 @@
|
|||
|
||||
// valueLoadString(v ref, b []byte)
|
||||
"syscall/js.valueLoadString": (sp) => {
|
||||
sp >>>= 0;
|
||||
const str = loadValue(sp + 8);
|
||||
loadSlice(sp + 16).set(str);
|
||||
},
|
||||
|
||||
// func valueInstanceOf(v ref, t ref) bool
|
||||
"syscall/js.valueInstanceOf": (sp) => {
|
||||
this.mem.setUint8(sp + 24, (loadValue(sp + 8) instanceof loadValue(sp + 16)) ? 1 : 0);
|
||||
sp >>>= 0;
|
||||
this.mem.setUint8(
|
||||
sp + 24,
|
||||
(loadValue(sp + 8) instanceof loadValue(sp + 16)) ? 1 : 0,
|
||||
);
|
||||
},
|
||||
|
||||
// func copyBytesToGo(dst []byte, src ref) (int, bool)
|
||||
"syscall/js.copyBytesToGo": (sp) => {
|
||||
sp >>>= 0;
|
||||
const dst = loadSlice(sp + 8);
|
||||
const src = loadValue(sp + 32);
|
||||
if (!(src instanceof Uint8Array || src instanceof Uint8ClampedArray)) {
|
||||
if (
|
||||
!(src instanceof Uint8Array || src instanceof Uint8ClampedArray)
|
||||
) {
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
return;
|
||||
}
|
||||
|
|
@ -449,9 +536,12 @@
|
|||
|
||||
// func copyBytesToJS(dst ref, src []byte) (int, bool)
|
||||
"syscall/js.copyBytesToJS": (sp) => {
|
||||
sp >>>= 0;
|
||||
const dst = loadValue(sp + 8);
|
||||
const src = loadSlice(sp + 16);
|
||||
if (!(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)) {
|
||||
if (
|
||||
!(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)
|
||||
) {
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
return;
|
||||
}
|
||||
|
|
@ -464,11 +554,14 @@
|
|||
"debug": (value) => {
|
||||
console.log(value);
|
||||
},
|
||||
}
|
||||
},
|
||||
};
|
||||
}
|
||||
|
||||
async run(instance) {
|
||||
if (!(instance instanceof WebAssembly.Instance)) {
|
||||
throw new Error("Go.run: WebAssembly.Instance expected");
|
||||
}
|
||||
this._inst = instance;
|
||||
this.mem = new DataView(this._inst.exports.mem.buffer);
|
||||
this._values = [ // JS values that Go currently has references to, indexed by reference id
|
||||
|
|
@ -477,7 +570,7 @@
|
|||
null,
|
||||
true,
|
||||
false,
|
||||
global,
|
||||
globalThis,
|
||||
this,
|
||||
];
|
||||
this._goRefCounts = new Array(this._values.length).fill(Infinity); // number of references that Go has to a JS value, indexed by reference id
|
||||
|
|
@ -486,7 +579,7 @@
|
|||
[null, 2],
|
||||
[true, 3],
|
||||
[false, 4],
|
||||
[global, 5],
|
||||
[globalThis, 5],
|
||||
[this, 6],
|
||||
]);
|
||||
this._idPool = []; // unused ids that have been garbage collected
|
||||
|
|
@ -527,6 +620,15 @@
|
|||
offset += 8;
|
||||
});
|
||||
|
||||
// The linker guarantees global data starts from at least wasmMinDataAddr.
|
||||
// Keep in sync with cmd/link/internal/ld/data.go:wasmMinDataAddr.
|
||||
const wasmMinDataAddr = 4096 + 8192;
|
||||
if (offset >= wasmMinDataAddr) {
|
||||
throw new Error(
|
||||
"total length of command line and environment variables exceeds limit",
|
||||
);
|
||||
}
|
||||
|
||||
this._inst.exports.run(argc, argv);
|
||||
if (this.exited) {
|
||||
this._resolveExitPromise();
|
||||
|
|
@ -553,36 +655,5 @@
|
|||
return event.result;
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
if (
|
||||
global.require &&
|
||||
global.require.main === module &&
|
||||
global.process &&
|
||||
global.process.versions &&
|
||||
!global.process.versions.electron
|
||||
) {
|
||||
if (process.argv.length < 3) {
|
||||
console.error("usage: go_js_wasm_exec [wasm binary] [arguments]");
|
||||
process.exit(1);
|
||||
}
|
||||
|
||||
const go = new Go();
|
||||
go.argv = process.argv.slice(2);
|
||||
go.env = Object.assign({ TMPDIR: require("os").tmpdir() }, process.env);
|
||||
go.exit = process.exit;
|
||||
WebAssembly.instantiate(fs.readFileSync(process.argv[2]), go.importObject).then((result) => {
|
||||
process.on("exit", (code) => { // Node.js exits if no event handler is pending
|
||||
if (code === 0 && !go.exited) {
|
||||
// deadlock, make Go print error and stack traces
|
||||
go._pendingEvent = { id: 0 };
|
||||
go._resume();
|
||||
}
|
||||
});
|
||||
return go.run(result.instance);
|
||||
}).catch((err) => {
|
||||
console.error(err);
|
||||
process.exit(1);
|
||||
});
|
||||
}
|
||||
};
|
||||
})();
|
||||
|
|
|
|||
Loading…
Reference in New Issue