diff --git a/frontend/.eslintrc b/frontend/.eslintrc new file mode 100644 index 0000000..173599e --- /dev/null +++ b/frontend/.eslintrc @@ -0,0 +1,12 @@ +{ + "extends": [ + "plugin:vue/vue3-recommended", + "plugin:prettier-vue/recommended", + "@vue/typescript/recommended", + "prettier" + ], + "rules": { + "@typescript-eslint/explicit-module-boundary-types": [0], + "vue/multi-word-component-names": 0 + } +} diff --git a/frontend/.gitignore b/frontend/.gitignore index d451ff1..4197962 100644 --- a/frontend/.gitignore +++ b/frontend/.gitignore @@ -3,3 +3,6 @@ node_modules dist dist-ssr *.local + +.yarn/install-state.gz +public/*.wasm diff --git a/frontend/.prettierrc b/frontend/.prettierrc new file mode 100644 index 0000000..92cde39 --- /dev/null +++ b/frontend/.prettierrc @@ -0,0 +1,3 @@ +{ + "singleQuote": true +} \ No newline at end of file diff --git a/frontend/.vscode/extensions.json b/frontend/.vscode/extensions.json deleted file mode 100644 index 3dc5b08..0000000 --- a/frontend/.vscode/extensions.json +++ /dev/null @@ -1,3 +0,0 @@ -{ - "recommendations": ["johnsoncodehk.volar"] -} diff --git a/frontend/.yarn/install-state.gz b/frontend/.yarn/install-state.gz deleted file mode 100644 index 74ba14e..0000000 Binary files a/frontend/.yarn/install-state.gz and /dev/null differ diff --git a/frontend/index.html b/frontend/index.html index 9b1bade..20508c1 100644 --- a/frontend/index.html +++ b/frontend/index.html @@ -8,8 +8,9 @@ NVLS | Covergen - +
+ diff --git a/frontend/package.json b/frontend/package.json index 8586163..289b612 100644 --- a/frontend/package.json +++ b/frontend/package.json @@ -4,17 +4,32 @@ "scripts": { "dev": "vite", "build": "vue-tsc --noEmit && vite build", - "preview": "vite preview" + "preview": "vite preview", + "lint": "yarn lint:ts && yarn lint:style", + "lint:ts": "vue-tsc --noEmit", + "lint:style": "eslint --ext .ts,.vue --ignore-path .gitignore .", + "lint:fix": "yarn lint:style --fix" }, "dependencies": { - "tailwindcss": "^3.0.15", "@tailwindcss/forms": "^0.4.0", + "pinia": "^2.0.9", + "tailwindcss": "^3.0.15", "vue": "^3.2.25" }, "devDependencies": { + "@types/golang-wasm-exec": "^1.15.0", + "@types/node": "^17.0.10", + "@typescript-eslint/eslint-plugin": "^5.10.0", + "@typescript-eslint/parser": "^5.10.0", "@vitejs/plugin-vue": "^2.0.0", + "@vue/eslint-config-typescript": "^10.0.0", "autoprefixer": "^10.4.2", + "eslint": "^8.7.0", + "eslint-config-prettier": "^8.3.0", + "eslint-plugin-prettier-vue": "^3.1.0", + "eslint-plugin-vue": "^8.3.0", "postcss": "^8.4.5", + "prettier": "^2.5.1", "typescript": "^4.4.4", "vite": "^2.7.2", "vue-tsc": "^0.29.8" diff --git a/frontend/public/wasm_exec.js b/frontend/public/wasm_exec.js new file mode 100644 index 0000000..48164c3 --- /dev/null +++ b/frontend/public/wasm_exec.js @@ -0,0 +1,633 @@ +// 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 + + 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) { + 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.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"); + } + + // 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 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; + }); + + // 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(); + } + 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); + }); + } +})(); diff --git a/frontend/src/App.vue b/frontend/src/App.vue index d551bfb..195a6b5 100644 --- a/frontend/src/App.vue +++ b/frontend/src/App.vue @@ -1,14 +1,17 @@ diff --git a/frontend/src/components/Input.vue b/frontend/src/components/Input.vue deleted file mode 100644 index 1508369..0000000 --- a/frontend/src/components/Input.vue +++ /dev/null @@ -1,11 +0,0 @@ - - - diff --git a/frontend/src/components/Nav.vue b/frontend/src/components/Nav.vue new file mode 100644 index 0000000..7c6086b --- /dev/null +++ b/frontend/src/components/Nav.vue @@ -0,0 +1,35 @@ + + \ No newline at end of file diff --git a/frontend/src/components/Renderer.vue b/frontend/src/components/Renderer.vue new file mode 100644 index 0000000..f74927f --- /dev/null +++ b/frontend/src/components/Renderer.vue @@ -0,0 +1,25 @@ + +