mirror of
https://github.com/Frooodle/Stirling-PDF.git
synced 2024-12-21 19:08:24 +01:00
Merge branch 'version-2' of https://github.com/Frooodle/Stirling-PDF into version-2
This commit is contained in:
Saud Fatayerji
commit
5f23491189
@ -4,10 +4,10 @@ import { ImposeParamsType } from '@stirling-pdf/shared-operations/src/functions/
|
||||
import { PdfFile } from "@stirling-pdf/shared-operations/src/wrappers/PdfFile"
|
||||
|
||||
// Import injected libraries here!
|
||||
//import * as pdfcpuWrapper from "@stirling-pdf/shared-operations/wasm/pdfcpu/pdfcpu-wrapper-node.js";
|
||||
import * as pdfcpuWrapper from "@stirling-pdf/shared-operations/src/wasm/pdfcpu/pdfcpu-wrapper-node.js";
|
||||
|
||||
async function impose(params: ImposeParamsType): Promise<PdfFile> {
|
||||
const paramsToUse = { ...params, pdfcpuWrapper: null }; // TODO change null to pdfcpuWrapper
|
||||
const paramsToUse = { ...params, pdfcpuWrapper: pdfcpuWrapper };
|
||||
return SharedOperations.impose(paramsToUse);
|
||||
}
|
||||
|
||||
|
||||
@ -1,16 +1,18 @@
|
||||
import { PdfFile, RepresentationType } from "../wrappers/PdfFile";
|
||||
|
||||
export type ImposeParamsType = {
|
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file: any;
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||||
file: PdfFile;
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||||
nup: number;
|
||||
format: string;
|
||||
}
|
||||
export type ImposeParamsBaseType = {
|
||||
file: any;
|
||||
file: PdfFile;
|
||||
nup: number;
|
||||
format: string;
|
||||
pdfcpuWrapper: any;
|
||||
}
|
||||
export async function impose(params: ImposeParamsBaseType) {
|
||||
return await params.pdfcpuWrapper.oneToOne([
|
||||
export async function impose(params: ImposeParamsBaseType): Promise<PdfFile> {
|
||||
const result = new PdfFile(params.file.originalFilename, await params.pdfcpuWrapper.oneToOne([
|
||||
"pdfcpu.wasm",
|
||||
"nup",
|
||||
"-c",
|
||||
@ -19,5 +21,7 @@ export async function impose(params: ImposeParamsBaseType) {
|
||||
"/output.pdf",
|
||||
String(params.nup),
|
||||
"input.pdf",
|
||||
], params.file);
|
||||
], await params.file.uint8Array), RepresentationType.Uint8Array, params.file.filename + "_imposed");
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||||
console.log("ImposeResult: ", result);
|
||||
return result;
|
||||
}
|
||||
@ -1,8 +1,7 @@
|
||||
import { WasmFs } from '@wasmer/wasmfs';
|
||||
import path from "path";
|
||||
|
||||
let webWasmLocation = "/wasm/";
|
||||
let nodeWasmLocation = "./public/wasm/";
|
||||
let nodeWasmLocation = "../shared-operations/src/wasm/pdfcpu/";
|
||||
|
||||
let fs;
|
||||
const wasmfs = new WasmFs();
|
||||
@ -22,7 +21,7 @@ async function configureFs() {
|
||||
}
|
||||
|
||||
async function loadWasm() {
|
||||
global.crypto = (await import("crypto")).webcrypto; // wasm dependecy
|
||||
// global.crypto = (await import("crypto")).webcrypto; // wasm dependecy
|
||||
await import("./wasm_exec.js");
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}
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||||
|
||||
|
||||
@ -201,14 +201,14 @@
|
||||
}
|
||||
}
|
||||
|
||||
if (!global.crypto && global.require) {
|
||||
const nodeCrypto = require("crypto");
|
||||
global.crypto = {
|
||||
getRandomValues(b) {
|
||||
nodeCrypto.randomFillSync(b);
|
||||
},
|
||||
};
|
||||
}
|
||||
// if (!global.crypto && global.require) {
|
||||
// const nodeCrypto = require("crypto");
|
||||
// global.crypto = {
|
||||
// getRandomValues(b) {
|
||||
// nodeCrypto.randomFillSync(b);
|
||||
// },
|
||||
// };
|
||||
// }
|
||||
if (!global.crypto) {
|
||||
throw new Error("global.crypto is not available, polyfill required (getRandomValues only)");
|
||||
}
|
||||
|
||||
@ -14,6 +14,7 @@ export async function * traverseOperations(operations: Action[], input: PdfFile[
|
||||
if(actions === undefined || (Array.isArray(actions) && actions.length == 0)) { // isEmpty
|
||||
console.log("Last Operation");
|
||||
if(Array.isArray(input)) {
|
||||
console.log("ArrayOut: ", input);
|
||||
console.log("operation done: " + input[0].filename + (input.length > 1 ? "+" : ""));
|
||||
results = results.concat(input);
|
||||
return;
|
||||
@ -62,6 +63,7 @@ export async function * traverseOperations(operations: Action[], input: PdfFile[
|
||||
yield* nToN(input, action, async (input) => {
|
||||
const newPdf = await Operations.impose({file: input, nup: action.values["nup"], format: action.values["format"]});
|
||||
newPdf.filename += "_imposed";
|
||||
console.log("newPDF: ", newPdf);
|
||||
return newPdf;
|
||||
});
|
||||
break;
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||||
@ -158,12 +160,14 @@ export async function * traverseOperations(operations: Action[], input: PdfFile[
|
||||
}
|
||||
}
|
||||
|
||||
async function * nToN(input: PdfFile|PdfFile[], action: Action, callback: (pdf: PdfFile) => Promise<PdfFile>): AsyncGenerator<string, void, void> {
|
||||
async function * nToN(input: PdfFile|PdfFile[], action: Action, callback: (pdf: PdfFile) => Promise<PdfFile|PdfFile[]>): AsyncGenerator<string, void, void> {
|
||||
if(Array.isArray(input)) {
|
||||
const nextInputs: PdfFile[] = []
|
||||
console.log("inputs", input);
|
||||
let nextInputs: PdfFile[] = []
|
||||
for (let i = 0; i < input.length; i++) {
|
||||
nextInputs.concat(await callback(input[i]));
|
||||
nextInputs = nextInputs.concat(await callback(input[i]));
|
||||
}
|
||||
console.log("nextInputs", nextInputs);
|
||||
yield* nextOperation(action.actions, nextInputs);
|
||||
}
|
||||
else {
|
||||
|
||||
875
shared-operations/wasm/pdfcpu/wasm_exec.js
Normal file
875
shared-operations/wasm/pdfcpu/wasm_exec.js
Normal file
@ -0,0 +1,875 @@
|
||||
// Copyright 2018 The Go Authors. All rights reserved.
|
||||
// Use of this source code is governed by a BSD-style
|
||||
// license that can be found in the LICENSE file.
|
||||
(() => {
|
||||
// Map multiple JavaScript environments to a single common API,
|
||||
// preferring web standards over Node.js API.
|
||||
//
|
||||
// Environments considered:
|
||||
// - Browsers
|
||||
// - Node.js
|
||||
// - Electron
|
||||
// - Parcel
|
||||
// - Webpack
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||||
|
||||
console.log("imported")
|
||||
if (typeof global !== "undefined") {
|
||||
// global already exists
|
||||
} else if (typeof window !== "undefined") {
|
||||
window.global = window;
|
||||
} else if (typeof self !== "undefined") {
|
||||
self.global = self;
|
||||
} else {
|
||||
throw new Error("cannot export Go (neither global, window nor self is defined)");
|
||||
}
|
||||
|
||||
let logFS = false
|
||||
var handler = {
|
||||
get: function (target, property) {
|
||||
if (property in target && target[property] instanceof Function) {
|
||||
return function () {
|
||||
if (logFS) {
|
||||
console.log(property, 'called', arguments);
|
||||
}
|
||||
// 将callback替换
|
||||
if (arguments[arguments.length - 1] instanceof Function) {
|
||||
var origCB = arguments[arguments.length - 1];
|
||||
var newCB = function () {
|
||||
if (logFS) {
|
||||
console.log('callback for', property, 'get called with args:', arguments);
|
||||
}
|
||||
return Reflect.apply(origCB, arguments.callee, arguments);
|
||||
}
|
||||
arguments[arguments.length - 1] = newCB;
|
||||
}
|
||||
return Reflect.apply(target[property], target, arguments);
|
||||
}
|
||||
} else {
|
||||
return target[property]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (!global.require && typeof require !== "undefined") {
|
||||
global.require = require;
|
||||
}
|
||||
|
||||
|
||||
if (!global.fs && global.require) {
|
||||
|
||||
//const fs = require("fs");
|
||||
if (typeof fs === "object" && fs !== null && Object.keys(fs).length !== 0) {
|
||||
global.fs = fs;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
const enosys = () => {
|
||||
const err = new Error("not implemented");
|
||||
err.code = "ENOSYS";
|
||||
return err;
|
||||
};
|
||||
|
||||
if (!global.fs) {
|
||||
let outputBuf = "";
|
||||
global.fs = {
|
||||
constants: {
|
||||
O_WRONLY: -1,
|
||||
O_RDWR: -1,
|
||||
O_CREAT: -1,
|
||||
O_TRUNC: -1,
|
||||
O_APPEND: -1,
|
||||
O_EXCL: -1
|
||||
}, // unused
|
||||
writeSync(fd, buf) {
|
||||
outputBuf += decoder.decode(buf);
|
||||
const nl = outputBuf.lastIndexOf("\n");
|
||||
if (nl != -1) {
|
||||
console.log(outputBuf.substr(0, nl));
|
||||
outputBuf = outputBuf.substr(nl + 1);
|
||||
}
|
||||
return buf.length;
|
||||
},
|
||||
write(fd, buf, offset, length, position, callback) {
|
||||
if (offset !== 0 || length !== buf.length || position !== null) {
|
||||
callback(enosys());
|
||||
return;
|
||||
}
|
||||
const n = this.writeSync(fd, buf);
|
||||
callback(null, n);
|
||||
},
|
||||
chmod(path, mode, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
chown(path, uid, gid, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
close(fd, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
fchmod(fd, mode, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
fchown(fd, uid, gid, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
fstat(fd, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
fsync(fd, callback) {
|
||||
callback(null);
|
||||
},
|
||||
ftruncate(fd, length, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
lchown(path, uid, gid, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
link(path, link, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
lstat(path, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
mkdir(path, perm, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
open(path, flags, mode, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
read(fd, buffer, offset, length, position, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
readdir(path, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
readlink(path, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
rename(from, to, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
rmdir(path, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
stat(path, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
symlink(path, link, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
truncate(path, length, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
unlink(path, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
utimes(path, atime, mtime, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
};
|
||||
}
|
||||
|
||||
if (!global.process) {
|
||||
global.process = {
|
||||
getuid() {
|
||||
return -1;
|
||||
},
|
||||
getgid() {
|
||||
return -1;
|
||||
},
|
||||
geteuid() {
|
||||
return -1;
|
||||
},
|
||||
getegid() {
|
||||
return -1;
|
||||
},
|
||||
getgroups() {
|
||||
throw enosys();
|
||||
},
|
||||
pid: -1,
|
||||
ppid: -1,
|
||||
umask() {
|
||||
throw enosys();
|
||||
},
|
||||
cwd() {
|
||||
throw enosys();
|
||||
},
|
||||
chdir() {
|
||||
throw enosys();
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
// if (!global.crypto && global.require) {
|
||||
// const nodeCrypto = require("crypto");
|
||||
// global.crypto = {
|
||||
// getRandomValues(b) {
|
||||
// nodeCrypto.randomFillSync(b);
|
||||
// },
|
||||
// };
|
||||
// }
|
||||
if (!global.crypto) {
|
||||
throw new Error("global.crypto is not available, polyfill required (getRandomValues only)");
|
||||
}
|
||||
if(!global.crypto.getRandomValues) {
|
||||
throw new Error("global.crypto.getRandomValues is not available, polyfill required (getRandomValues only)");
|
||||
}
|
||||
|
||||
if (!global.performance) {
|
||||
global.performance = {
|
||||
now() {
|
||||
const [sec, nsec] = process.hrtime();
|
||||
return sec * 1000 + nsec / 1000000;
|
||||
},
|
||||
};
|
||||
}
|
||||
|
||||
if (!global.TextEncoder && global.require) {
|
||||
global.TextEncoder = require("util").TextEncoder;
|
||||
}
|
||||
if (!global.TextEncoder) {
|
||||
throw new Error("global.TextEncoder is not available, polyfill required");
|
||||
}
|
||||
|
||||
if (!global.TextDecoder && global.require) {
|
||||
global.TextDecoder = require("util").TextDecoder;
|
||||
}
|
||||
if (!global.TextDecoder) {
|
||||
throw new Error("global.TextDecoder is not available, polyfill required");
|
||||
}
|
||||
|
||||
|
||||
const isNodeJS = global.process && global.process.title === "node";
|
||||
|
||||
if (!isNodeJS) {
|
||||
// console.log("ini browser fs")
|
||||
// var myfs = global.BrowserFS.BFSRequire('fs');
|
||||
// global.Buffer = global.BrowserFS.BFSRequire('buffer').Buffer;
|
||||
// global.fs = myfs;
|
||||
|
||||
global.fs.constants = {
|
||||
O_RDONLY: 0,
|
||||
O_WRONLY: 1,
|
||||
O_RDWR: 2,
|
||||
O_CREAT: 64,
|
||||
O_CREATE: 64,
|
||||
O_EXCL: 128,
|
||||
O_NOCTTY: 256,
|
||||
O_TRUNC: 512,
|
||||
O_APPEND: 1024,
|
||||
O_DIRECTORY: 65536,
|
||||
O_NOATIME: 262144,
|
||||
O_NOFOLLOW: 131072,
|
||||
O_SYNC: 1052672,
|
||||
O_DIRECT: 16384,
|
||||
O_NONBLOCK: 2048,
|
||||
};
|
||||
|
||||
let outputBuf = "";
|
||||
|
||||
global.fs.writeSyncOriginal = global.fs.writeSync
|
||||
global.fs.writeSync = function (fd, buf) {
|
||||
if (fd === 1 || fd === 2) {
|
||||
outputBuf += decoder.decode(buf);
|
||||
const nl = outputBuf.lastIndexOf("\n");
|
||||
if (nl != -1) {
|
||||
console.log(outputBuf.substr(0, nl));
|
||||
outputBuf = outputBuf.substr(nl + 1);
|
||||
}
|
||||
return buf.length;
|
||||
} else {
|
||||
return global.fs.writeSyncOriginal(...arguments);
|
||||
}
|
||||
};
|
||||
|
||||
global.fs.writeOriginal = global.fs.write
|
||||
global.fs.write = function (fd, buf, offset, length, position, callback) {
|
||||
// (corresponding to STDOUT/STDERR)
|
||||
if (fd === 1 || fd === 2) {
|
||||
if (offset !== 0 || length !== buf.length || position !== null) {
|
||||
throw new Error("not implemented");
|
||||
}
|
||||
const n = this.writeSync(fd, buf);
|
||||
callback(null, n, buf);
|
||||
} else {
|
||||
// buf: read buf first
|
||||
arguments[1] = global.Buffer.from(arguments[1]);
|
||||
return global.fs.writeOriginal(...arguments);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
|
||||
global.fs.openOriginal = global.fs.open
|
||||
global.fs.open = function (path, flags, mode, callback) {
|
||||
var myflags = 'r';
|
||||
var O = global.fs.constants;
|
||||
|
||||
// Convert numeric flags to string flags
|
||||
// FIXME: maybe wrong...
|
||||
console.log("open dir?", path, 'flag', flags, myflags)
|
||||
if (flags & O.O_WRONLY) { // 'w'
|
||||
myflags = 'w';
|
||||
if (flags & O.O_EXCL) {
|
||||
myflags = 'wx';
|
||||
}
|
||||
} else if (flags & O.O_RDWR) { // 'r+' or 'w+'
|
||||
if (flags & O.O_CREAT && flags & O.O_TRUNC) { // w+
|
||||
if (flags & O.O_EXCL) {
|
||||
myflags = 'wx+';
|
||||
} else {
|
||||
myflags = 'w+';
|
||||
}
|
||||
} else { // r+
|
||||
myflags = 'r+';
|
||||
}
|
||||
} else if (flags & O.O_APPEND) { // 'a'
|
||||
console.log("append error")
|
||||
throw new Error("Not implmented");
|
||||
} else {
|
||||
// 打开文件
|
||||
myflags = 'r+';
|
||||
console.log("open dir?", path, 'flag', flags, myflags)
|
||||
}
|
||||
|
||||
|
||||
return global.fs.openOriginal(path, myflags, mode, callback);
|
||||
};
|
||||
|
||||
global.fs.fstatOriginal = global.fs.fstat;
|
||||
global.fs.fstat = function (fd, callback) {
|
||||
return global.fs.fstatOriginal(fd, function () {
|
||||
var retStat = arguments[1];
|
||||
delete retStat['fileData'];
|
||||
retStat.atimeMs = retStat.atime.getTime();
|
||||
retStat.mtimeMs = retStat.mtime.getTime();
|
||||
retStat.ctimeMs = retStat.ctime.getTime();
|
||||
retStat.birthtimeMs = retStat.birthtime.getTime();
|
||||
return callback(arguments[0], retStat);
|
||||
|
||||
});
|
||||
};
|
||||
|
||||
|
||||
|
||||
global.fs.closeOriginal = global.fs.close;
|
||||
global.fs.close = function (fd, callback) {
|
||||
return global.fs.closeOriginal(fd, function () {
|
||||
if (typeof arguments[0] === 'undefined') arguments[0] = null;
|
||||
return callback(...arguments);
|
||||
});
|
||||
}
|
||||
|
||||
// global.fs.renameOriginal = global.fs.rename
|
||||
// global.fs.rename = function (from, to, callback) {
|
||||
// console.log("rename a0", arguments[0])
|
||||
// global.fs.renameOriginal(from, to);
|
||||
// callback(arguments[0])
|
||||
// }
|
||||
|
||||
// global.fs.renameSyncOriginal = global.fs.renameSync
|
||||
// global.fs.renameSync = function(fd, options) {
|
||||
// console.log("Sync")
|
||||
// }
|
||||
|
||||
|
||||
global.fs = new Proxy(global.fs, handler);
|
||||
}
|
||||
|
||||
// End of polyfills for common API.
|
||||
|
||||
const encoder = new TextEncoder("utf-8");
|
||||
const decoder = new TextDecoder("utf-8");
|
||||
|
||||
global.Go = class {
|
||||
constructor() {
|
||||
this.argv = ["js"];
|
||||
this.env = {};
|
||||
this.exit = (code) => {
|
||||
this.exitCode = code;
|
||||
if (code !== 0) {
|
||||
console.warn("exit code:", code);
|
||||
}
|
||||
};
|
||||
this._exitPromise = new Promise((resolve) => {
|
||||
this._resolveExitPromise = resolve;
|
||||
});
|
||||
this._pendingEvent = null;
|
||||
this._scheduledTimeouts = new Map();
|
||||
this._nextCallbackTimeoutID = 1;
|
||||
|
||||
const setInt64 = (addr, v) => {
|
||||
this.mem.setUint32(addr + 0, v, true);
|
||||
this.mem.setUint32(addr + 4, Math.floor(v / 4294967296), true);
|
||||
}
|
||||
|
||||
const getInt64 = (addr) => {
|
||||
const low = this.mem.getUint32(addr + 0, true);
|
||||
const high = this.mem.getInt32(addr + 4, true);
|
||||
return low + high * 4294967296;
|
||||
}
|
||||
|
||||
const loadValue = (addr) => {
|
||||
const f = this.mem.getFloat64(addr, true);
|
||||
if (f === 0) {
|
||||
return undefined;
|
||||
}
|
||||
if (!isNaN(f)) {
|
||||
return f;
|
||||
}
|
||||
|
||||
const id = this.mem.getUint32(addr, true);
|
||||
return this._values[id];
|
||||
}
|
||||
|
||||
const storeValue = (addr, v) => {
|
||||
const nanHead = 0x7FF80000;
|
||||
|
||||
if (typeof v === "number" && v !== 0) {
|
||||
if (isNaN(v)) {
|
||||
this.mem.setUint32(addr + 4, nanHead, true);
|
||||
this.mem.setUint32(addr, 0, true);
|
||||
return;
|
||||
}
|
||||
this.mem.setFloat64(addr, v, true);
|
||||
return;
|
||||
}
|
||||
|
||||
if (v === undefined) {
|
||||
this.mem.setFloat64(addr, 0, true);
|
||||
return;
|
||||
}
|
||||
|
||||
let id = this._ids.get(v);
|
||||
if (id === undefined) {
|
||||
id = this._idPool.pop();
|
||||
if (id === undefined) {
|
||||
id = this._values.length;
|
||||
}
|
||||
this._values[id] = v;
|
||||
this._goRefCounts[id] = 0;
|
||||
this._ids.set(v, id);
|
||||
}
|
||||
this._goRefCounts[id]++;
|
||||
let typeFlag = 0;
|
||||
switch (typeof v) {
|
||||
case "object":
|
||||
if (v !== null) {
|
||||
typeFlag = 1;
|
||||
}
|
||||
break;
|
||||
case "string":
|
||||
typeFlag = 2;
|
||||
break;
|
||||
case "symbol":
|
||||
typeFlag = 3;
|
||||
break;
|
||||
case "function":
|
||||
typeFlag = 4;
|
||||
break;
|
||||
}
|
||||
this.mem.setUint32(addr + 4, nanHead | typeFlag, true);
|
||||
this.mem.setUint32(addr, id, true);
|
||||
}
|
||||
|
||||
const loadSlice = (addr) => {
|
||||
const array = getInt64(addr + 0);
|
||||
const len = getInt64(addr + 8);
|
||||
return new Uint8Array(this._inst.exports.mem.buffer, array, len);
|
||||
}
|
||||
|
||||
const loadSliceOfValues = (addr) => {
|
||||
const array = getInt64(addr + 0);
|
||||
const len = getInt64(addr + 8);
|
||||
const a = new Array(len);
|
||||
for (let i = 0; i < len; i++) {
|
||||
a[i] = loadValue(array + i * 8);
|
||||
}
|
||||
return a;
|
||||
}
|
||||
|
||||
const loadString = (addr) => {
|
||||
const saddr = getInt64(addr + 0);
|
||||
const len = getInt64(addr + 8);
|
||||
return decoder.decode(new DataView(this._inst.exports.mem.buffer, saddr, len));
|
||||
}
|
||||
|
||||
const timeOrigin = Date.now() - performance.now();
|
||||
this.importObject = {
|
||||
go: {
|
||||
// Go's SP does not change as long as no Go code is running. Some operations (e.g. calls, getters and setters)
|
||||
// may synchronously trigger a Go event handler. This makes Go code get executed in the middle of the imported
|
||||
// function. A goroutine can switch to a new stack if the current stack is too small (see morestack function).
|
||||
// This changes the SP, thus we have to update the SP used by the imported function.
|
||||
|
||||
// func wasmExit(code int32)
|
||||
"runtime.wasmExit": (sp) => {
|
||||
sp >>>= 0;
|
||||
const code = this.mem.getInt32(sp + 8, true);
|
||||
this.exited = true;
|
||||
delete this._inst;
|
||||
delete this._values;
|
||||
delete this._goRefCounts;
|
||||
delete this._ids;
|
||||
delete this._idPool;
|
||||
this.exit(code);
|
||||
},
|
||||
|
||||
// func wasmWrite(fd uintptr, p unsafe.Pointer, n int32)
|
||||
"runtime.wasmWrite": (sp) => {
|
||||
sp >>>= 0;
|
||||
const fd = getInt64(sp + 8);
|
||||
const p = getInt64(sp + 16);
|
||||
const n = this.mem.getInt32(sp + 24, true);
|
||||
fs.writeSync(fd, new Uint8Array(this._inst.exports.mem.buffer, p, n));
|
||||
},
|
||||
|
||||
// func resetMemoryDataView()
|
||||
"runtime.resetMemoryDataView": (sp) => {
|
||||
sp >>>= 0;
|
||||
this.mem = new DataView(this._inst.exports.mem.buffer);
|
||||
},
|
||||
|
||||
// func nanotime1() int64
|
||||
"runtime.nanotime1": (sp) => {
|
||||
sp >>>= 0;
|
||||
setInt64(sp + 8, (timeOrigin + performance.now()) * 1000000);
|
||||
},
|
||||
|
||||
// func walltime1() (sec int64, nsec int32)
|
||||
"runtime.walltime1": (sp) => {
|
||||
sp >>>= 0;
|
||||
const msec = (new Date).getTime();
|
||||
setInt64(sp + 8, msec / 1000);
|
||||
this.mem.setInt32(sp + 16, (msec % 1000) * 1000000, true);
|
||||
},
|
||||
|
||||
// func scheduleTimeoutEvent(delay int64) int32
|
||||
"runtime.scheduleTimeoutEvent": (sp) => {
|
||||
sp >>>= 0;
|
||||
const id = this._nextCallbackTimeoutID;
|
||||
this._nextCallbackTimeoutID++;
|
||||
this._scheduledTimeouts.set(id, setTimeout(
|
||||
() => {
|
||||
this._resume();
|
||||
while (this._scheduledTimeouts.has(id)) {
|
||||
// for some reason Go failed to register the timeout event, log and try again
|
||||
// (temporary workaround for https://github.com/golang/go/issues/28975)
|
||||
console.warn("scheduleTimeoutEvent: missed timeout event");
|
||||
this._resume();
|
||||
}
|
||||
},
|
||||
getInt64(sp + 8) + 1, // setTimeout has been seen to fire up to 1 millisecond early
|
||||
));
|
||||
this.mem.setInt32(sp + 16, id, true);
|
||||
},
|
||||
|
||||
// func clearTimeoutEvent(id int32)
|
||||
"runtime.clearTimeoutEvent": (sp) => {
|
||||
sp >>>= 0;
|
||||
const id = this.mem.getInt32(sp + 8, true);
|
||||
clearTimeout(this._scheduledTimeouts.get(id));
|
||||
this._scheduledTimeouts.delete(id);
|
||||
},
|
||||
|
||||
// func getRandomData(r []byte)
|
||||
"runtime.getRandomData": (sp) => {
|
||||
sp >>>= 0;
|
||||
crypto.getRandomValues(loadSlice(sp + 8));
|
||||
},
|
||||
|
||||
// func finalizeRef(v ref)
|
||||
"syscall/js.finalizeRef": (sp) => {
|
||||
sp >>>= 0;
|
||||
const id = this.mem.getUint32(sp + 8, true);
|
||||
this._goRefCounts[id]--;
|
||||
if (this._goRefCounts[id] === 0) {
|
||||
const v = this._values[id];
|
||||
this._values[id] = null;
|
||||
this._ids.delete(v);
|
||||
this._idPool.push(id);
|
||||
}
|
||||
},
|
||||
|
||||
// func stringVal(value string) ref
|
||||
"syscall/js.stringVal": (sp) => {
|
||||
sp >>>= 0;
|
||||
storeValue(sp + 24, loadString(sp + 8));
|
||||
},
|
||||
|
||||
// func valueGet(v ref, p string) ref
|
||||
"syscall/js.valueGet": (sp) => {
|
||||
sp >>>= 0;
|
||||
const result = Reflect.get(loadValue(sp + 8), loadString(sp + 16));
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 32, result);
|
||||
},
|
||||
|
||||
// func valueSet(v ref, p string, x ref)
|
||||
"syscall/js.valueSet": (sp) => {
|
||||
sp >>>= 0;
|
||||
Reflect.set(loadValue(sp + 8), loadString(sp + 16), loadValue(sp + 32));
|
||||
},
|
||||
|
||||
// func valueDelete(v ref, p string)
|
||||
"syscall/js.valueDelete": (sp) => {
|
||||
sp >>>= 0;
|
||||
Reflect.deleteProperty(loadValue(sp + 8), loadString(sp + 16));
|
||||
},
|
||||
|
||||
// func valueIndex(v ref, i int) ref
|
||||
"syscall/js.valueIndex": (sp) => {
|
||||
sp >>>= 0;
|
||||
storeValue(sp + 24, Reflect.get(loadValue(sp + 8), getInt64(sp + 16)));
|
||||
},
|
||||
|
||||
// valueSetIndex(v ref, i int, x ref)
|
||||
"syscall/js.valueSetIndex": (sp) => {
|
||||
sp >>>= 0;
|
||||
Reflect.set(loadValue(sp + 8), getInt64(sp + 16), loadValue(sp + 24));
|
||||
},
|
||||
|
||||
// func valueCall(v ref, m string, args []ref) (ref, bool)
|
||||
"syscall/js.valueCall": (sp) => {
|
||||
sp >>>= 0;
|
||||
try {
|
||||
const v = loadValue(sp + 8);
|
||||
const m = Reflect.get(v, loadString(sp + 16));
|
||||
const args = loadSliceOfValues(sp + 32);
|
||||
const result = Reflect.apply(m, v, args);
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 56, result);
|
||||
this.mem.setUint8(sp + 64, 1);
|
||||
} catch (err) {
|
||||
storeValue(sp + 56, err);
|
||||
this.mem.setUint8(sp + 64, 0);
|
||||
}
|
||||
},
|
||||
|
||||
// func valueInvoke(v ref, args []ref) (ref, bool)
|
||||
"syscall/js.valueInvoke": (sp) => {
|
||||
sp >>>= 0;
|
||||
try {
|
||||
const v = loadValue(sp + 8);
|
||||
const args = loadSliceOfValues(sp + 16);
|
||||
const result = Reflect.apply(v, undefined, args);
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 40, result);
|
||||
this.mem.setUint8(sp + 48, 1);
|
||||
} catch (err) {
|
||||
storeValue(sp + 40, err);
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
}
|
||||
},
|
||||
|
||||
// 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() >>> 0; // see comment above
|
||||
storeValue(sp + 40, result);
|
||||
this.mem.setUint8(sp + 48, 1);
|
||||
} catch (err) {
|
||||
storeValue(sp + 40, err);
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
}
|
||||
},
|
||||
|
||||
// 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);
|
||||
},
|
||||
|
||||
// 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) => {
|
||||
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)) {
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
return;
|
||||
}
|
||||
const toCopy = src.subarray(0, dst.length);
|
||||
dst.set(toCopy);
|
||||
setInt64(sp + 40, toCopy.length);
|
||||
this.mem.setUint8(sp + 48, 1);
|
||||
},
|
||||
|
||||
// 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)) {
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
return;
|
||||
}
|
||||
const toCopy = src.subarray(0, dst.length);
|
||||
dst.set(toCopy);
|
||||
setInt64(sp + 40, toCopy.length);
|
||||
this.mem.setUint8(sp + 48, 1);
|
||||
},
|
||||
|
||||
"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
|
||||
NaN,
|
||||
0,
|
||||
null,
|
||||
true,
|
||||
false,
|
||||
global,
|
||||
this,
|
||||
];
|
||||
this._goRefCounts = new Array(this._values.length).fill(Infinity); // number of references that Go has to a JS value, indexed by reference id
|
||||
this._ids = new Map([ // mapping from JS values to reference ids
|
||||
[0, 1],
|
||||
[null, 2],
|
||||
[true, 3],
|
||||
[false, 4],
|
||||
[global, 5],
|
||||
[this, 6],
|
||||
]);
|
||||
this._idPool = []; // unused ids that have been garbage collected
|
||||
this.exited = false; // whether the Go program has exited
|
||||
|
||||
// Pass command line arguments and environment variables to WebAssembly by writing them to the linear memory.
|
||||
let offset = 4096;
|
||||
|
||||
const strPtr = (str) => {
|
||||
const ptr = offset;
|
||||
const bytes = encoder.encode(str + "\0");
|
||||
new Uint8Array(this.mem.buffer, offset, bytes.length).set(bytes);
|
||||
offset += bytes.length;
|
||||
if (offset % 8 !== 0) {
|
||||
offset += 8 - (offset % 8);
|
||||
}
|
||||
return ptr;
|
||||
};
|
||||
|
||||
const argc = this.argv.length;
|
||||
|
||||
const argvPtrs = [];
|
||||
this.argv.forEach((arg) => {
|
||||
argvPtrs.push(strPtr(arg));
|
||||
});
|
||||
argvPtrs.push(0);
|
||||
|
||||
const keys = Object.keys(this.env).sort();
|
||||
keys.forEach((key) => {
|
||||
argvPtrs.push(strPtr(`${key}=${this.env[key]}`));
|
||||
});
|
||||
argvPtrs.push(0);
|
||||
|
||||
const argv = offset;
|
||||
argvPtrs.forEach((ptr) => {
|
||||
this.mem.setUint32(offset, ptr, true);
|
||||
this.mem.setUint32(offset + 4, 0, true);
|
||||
offset += 8;
|
||||
});
|
||||
|
||||
this._inst.exports.run(argc, argv);
|
||||
if (this.exited) {
|
||||
this._resolveExitPromise();
|
||||
}
|
||||
await this._exitPromise;
|
||||
}
|
||||
|
||||
_resume() {
|
||||
if (this.exited) {
|
||||
throw new Error("Go program has already exited");
|
||||
}
|
||||
this._inst.exports.resume();
|
||||
if (this.exited) {
|
||||
this._resolveExitPromise();
|
||||
}
|
||||
}
|
||||
|
||||
_makeFuncWrapper(id) {
|
||||
const go = this;
|
||||
return function () {
|
||||
const event = {
|
||||
id: id,
|
||||
this: this,
|
||||
args: arguments
|
||||
};
|
||||
go._pendingEvent = event;
|
||||
go._resume();
|
||||
return event.result;
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
if (
|
||||
typeof module !== "undefined" &&
|
||||
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
Block a user