From 6f9f07e860e02451c6e318131a4ff704e8a8c3d9 Mon Sep 17 00:00:00 2001 From: Elias Naur Date: Sun, 9 Jun 2019 15:43:09 +0200 Subject: [PATCH] apps/gophers: delete support files Now that the gio tool can generate runnable mobile and webassembly apps, the support files are no longer needed. Signed-off-by: Elias Naur --- .../ios/gophers.xcodeproj/project.pbxproj | 309 ---------- .../contents.xcworkspacedata | 7 - .../xcshareddata/IDEWorkspaceChecks.plist | 8 - .../xcshareddata/WorkspaceSettings.xcsettings | 5 - apps/gophers/ios/gophers/Info.plist | 37 -- apps/gophers/ios/gophers/main.m | 8 - apps/gophers/web/index.html | 27 - apps/gophers/web/wasm_exec.js | 533 ------------------ 8 files changed, 934 deletions(-) delete mode 100644 apps/gophers/ios/gophers.xcodeproj/project.pbxproj delete mode 100644 apps/gophers/ios/gophers.xcodeproj/project.xcworkspace/contents.xcworkspacedata delete mode 100644 apps/gophers/ios/gophers.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist delete mode 100644 apps/gophers/ios/gophers.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings delete mode 100644 apps/gophers/ios/gophers/Info.plist delete mode 100644 apps/gophers/ios/gophers/main.m delete mode 100644 apps/gophers/web/index.html delete mode 100644 apps/gophers/web/wasm_exec.js diff --git a/apps/gophers/ios/gophers.xcodeproj/project.pbxproj b/apps/gophers/ios/gophers.xcodeproj/project.pbxproj deleted file mode 100644 index fa9208d2..00000000 --- a/apps/gophers/ios/gophers.xcodeproj/project.pbxproj +++ /dev/null @@ -1,309 +0,0 @@ -// !$*UTF8*$! -{ - archiveVersion = 1; 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-@import Gophers; - -int main(int argc, char * argv[]) { - @autoreleasepool { - return UIApplicationMain(argc, argv, nil, NSStringFromClass([GioAppDelegate class])); - } -} diff --git a/apps/gophers/web/index.html b/apps/gophers/web/index.html deleted file mode 100644 index 69d16428..00000000 --- a/apps/gophers/web/index.html +++ /dev/null @@ -1,27 +0,0 @@ - - - - - - - - - - -
- - diff --git a/apps/gophers/web/wasm_exec.js b/apps/gophers/web/wasm_exec.js deleted file mode 100644 index a54bb9a9..00000000 --- a/apps/gophers/web/wasm_exec.js +++ /dev/null @@ -1,533 +0,0 @@ -// 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 - - 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)"); - } - - if (!global.require && typeof require !== "undefined") { - global.require = require; - } - - if (!global.fs && global.require) { - global.fs = require("fs"); - } - - 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) { - throw new Error("not implemented"); - } - const n = this.writeSync(fd, buf); - callback(null, n); - }, - open(path, flags, mode, callback) { - const err = new Error("not implemented"); - err.code = "ENOSYS"; - callback(err); - }, - read(fd, buffer, offset, length, position, callback) { - const err = new Error("not implemented"); - err.code = "ENOSYS"; - callback(err); - }, - fsync(fd, callback) { - callback(null); - }, - }; - } - - if (!global.crypto) { - const nodeCrypto = require("crypto"); - global.crypto = { - getRandomValues(b) { - nodeCrypto.randomFillSync(b); - }, - }; - } - - if (!global.performance) { - global.performance = { - now() { - const [sec, nsec] = process.hrtime(); - return sec * 1000 + nsec / 1000000; - }, - }; - } - - if (!global.TextEncoder) { - global.TextEncoder = require("util").TextEncoder; - } - - if (!global.TextDecoder) { - global.TextDecoder = require("util").TextDecoder; - } - - // 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) => { - 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 mem = () => { - // The buffer may change when requesting more memory. - return new DataView(this._inst.exports.mem.buffer); - } - - const setInt64 = (addr, v) => { - mem().setUint32(addr + 0, v, true); - mem().setUint32(addr + 4, Math.floor(v / 4294967296), true); - } - - const getInt64 = (addr) => { - const low = mem().getUint32(addr + 0, true); - const high = mem().getInt32(addr + 4, true); - return low + high * 4294967296; - } - - const loadValue = (addr) => { - const f = mem().getFloat64(addr, true); - if (f === 0) { - return undefined; - } - if (!isNaN(f)) { - return f; - } - - const id = mem().getUint32(addr, true); - return this._values[id]; - } - - const storeValue = (addr, v) => { - const nanHead = 0x7FF80000; - - if (typeof v === "number") { - if (isNaN(v)) { - mem().setUint32(addr + 4, nanHead, true); - mem().setUint32(addr, 0, true); - return; - } - if (v === 0) { - mem().setUint32(addr + 4, nanHead, true); - mem().setUint32(addr, 1, true); - return; - } - mem().setFloat64(addr, v, true); - return; - } - - switch (v) { - case undefined: - mem().setFloat64(addr, 0, true); - return; - case null: - mem().setUint32(addr + 4, nanHead, true); - mem().setUint32(addr, 2, true); - return; - case true: - mem().setUint32(addr + 4, nanHead, true); - mem().setUint32(addr, 3, true); - return; - case false: - mem().setUint32(addr + 4, nanHead, true); - mem().setUint32(addr, 4, true); - return; - } - - let ref = this._refs.get(v); - if (ref === undefined) { - ref = this._values.length; - this._values.push(v); - this._refs.set(v, ref); - } - let typeFlag = 0; - switch (typeof v) { - case "string": - typeFlag = 1; - break; - case "symbol": - typeFlag = 2; - break; - case "function": - typeFlag = 3; - break; - } - mem().setUint32(addr + 4, nanHead | typeFlag, true); - mem().setUint32(addr, ref, 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) => { - const code = mem().getInt32(sp + 8, true); - this.exited = true; - delete this._inst; - delete this._values; - delete this._refs; - this.exit(code); - }, - - // func wasmWrite(fd uintptr, p unsafe.Pointer, n int32) - "runtime.wasmWrite": (sp) => { - const fd = getInt64(sp + 8); - const p = getInt64(sp + 16); - const n = mem().getInt32(sp + 24, true); - fs.writeSync(fd, new Uint8Array(this._inst.exports.mem.buffer, p, n)); - }, - - // func nanotime() int64 - "runtime.nanotime": (sp) => { - setInt64(sp + 8, (timeOrigin + performance.now()) * 1000000); - }, - - // func walltime() (sec int64, nsec int32) - "runtime.walltime": (sp) => { - const msec = (new Date).getTime(); - setInt64(sp + 8, msec / 1000); - mem().setInt32(sp + 16, (msec % 1000) * 1000000, true); - }, - - // func scheduleTimeoutEvent(delay int64) int32 - "runtime.scheduleTimeoutEvent": (sp) => { - 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 - )); - mem().setInt32(sp + 16, id, true); - }, - - // func clearTimeoutEvent(id int32) - "runtime.clearTimeoutEvent": (sp) => { - const id = mem().getInt32(sp + 8, true); - clearTimeout(this._scheduledTimeouts.get(id)); - this._scheduledTimeouts.delete(id); - }, - - // func getRandomData(r []byte) - "runtime.getRandomData": (sp) => { - crypto.getRandomValues(loadSlice(sp + 8)); - }, - - // func stringVal(value string) ref - "syscall/js.stringVal": (sp) => { - storeValue(sp + 24, loadString(sp + 8)); - }, - - // func valueGet(v ref, p string) ref - "syscall/js.valueGet": (sp) => { - const result = Reflect.get(loadValue(sp + 8), loadString(sp + 16)); - sp = this._inst.exports.getsp(); // see comment above - storeValue(sp + 32, result); - }, - - // func valueSet(v ref, p string, x ref) - "syscall/js.valueSet": (sp) => { - Reflect.set(loadValue(sp + 8), loadString(sp + 16), loadValue(sp + 32)); - }, - - // func valueIndex(v ref, i int) ref - "syscall/js.valueIndex": (sp) => { - storeValue(sp + 24, Reflect.get(loadValue(sp + 8), getInt64(sp + 16))); - }, - - // valueSetIndex(v ref, i int, x ref) - "syscall/js.valueSetIndex": (sp) => { - 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) => { - 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(); // see comment above - storeValue(sp + 56, result); - mem().setUint8(sp + 64, 1); - } catch (err) { - storeValue(sp + 56, err); - mem().setUint8(sp + 64, 0); - } - }, - - // func valueInvoke(v ref, args []ref) (ref, bool) - "syscall/js.valueInvoke": (sp) => { - try { - const v = loadValue(sp + 8); - const args = loadSliceOfValues(sp + 16); - const result = Reflect.apply(v, undefined, args); - sp = this._inst.exports.getsp(); // see comment above - storeValue(sp + 40, result); - mem().setUint8(sp + 48, 1); - } catch (err) { - storeValue(sp + 40, err); - mem().setUint8(sp + 48, 0); - } - }, - - // func valueNew(v ref, args []ref) (ref, bool) - "syscall/js.valueNew": (sp) => { - 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 - storeValue(sp + 40, result); - mem().setUint8(sp + 48, 1); - } catch (err) { - storeValue(sp + 40, err); - mem().setUint8(sp + 48, 0); - } - }, - - // func valueLength(v ref) int - "syscall/js.valueLength": (sp) => { - setInt64(sp + 16, parseInt(loadValue(sp + 8).length)); - }, - - // valuePrepareString(v ref) (ref, int) - "syscall/js.valuePrepareString": (sp) => { - 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) => { - const str = loadValue(sp + 8); - loadSlice(sp + 16).set(str); - }, - - // func valueInstanceOf(v ref, t ref) bool - "syscall/js.valueInstanceOf": (sp) => { - mem().setUint8(sp + 24, loadValue(sp + 8) instanceof loadValue(sp + 16)); - }, - - // func copyBytesToGo(dst []byte, src ref) (int, bool) - "syscall/js.copyBytesToGo": (sp) => { - const dst = loadSlice(sp + 8); - const src = loadValue(sp + 32); - if (!(src instanceof Uint8Array)) { - mem().setUint8(sp + 48, 0); - return; - } - const toCopy = src.subarray(0, dst.length); - dst.set(toCopy); - setInt64(sp + 40, toCopy.length); - mem().setUint8(sp + 48, 1); - }, - - // func copyBytesToJS(dst ref, src []byte) (int, bool) - "syscall/js.copyBytesToJS": (sp) => { - const dst = loadValue(sp + 8); - const src = loadSlice(sp + 16); - if (!(dst instanceof Uint8Array)) { - mem().setUint8(sp + 48, 0); - return; - } - const toCopy = src.subarray(0, dst.length); - dst.set(toCopy); - setInt64(sp + 40, toCopy.length); - mem().setUint8(sp + 48, 1); - }, - - "debug": (value) => { - console.log(value); - }, - } - }; - } - - async run(instance) { - this._inst = instance; - this._values = [ // TODO: garbage collection - NaN, - 0, - null, - true, - false, - global, - this, - ]; - this._refs = new Map(); - this.exited = false; - - const mem = new DataView(this._inst.exports.mem.buffer) - - // 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(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)); - }); - - const keys = Object.keys(this.env).sort(); - argvPtrs.push(keys.length); - keys.forEach((key) => { - argvPtrs.push(strPtr(`${key}=${this.env[key]}`)); - }); - - const argv = offset; - argvPtrs.forEach((ptr) => { - mem.setUint32(offset, ptr, true); - 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 ( - 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); - }); - } -})();