mirror of
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runtime.ts - first pass at caching compiler
This commit is contained in:
parent
6f9c919f41
commit
05672b7e24
8 changed files with 339 additions and 338 deletions
10
Makefile
10
Makefile
|
@ -1,16 +1,16 @@
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TS_FILES = \
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amd.ts \
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main.ts \
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msg.pb.d.ts \
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msg.pb.js \
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compiler.ts \
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msg.pb.d.ts \
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os.ts \
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util.ts
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os.ts \
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runtime.ts \
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util.ts
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deno: assets.go msg.pb.go main.go
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go build -o deno
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assets.go: dist/main.js
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cp node_modules/typescript/lib/lib.d.ts dist/
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go-bindata -pkg main -o assets.go dist/
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msg.pb.go: msg.proto
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80
amd.ts
80
amd.ts
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@ -1,80 +0,0 @@
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import * as path from "path";
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import { assert, log } from "./util";
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namespace ModuleExportsCache {
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const cache = new Map<string, object>();
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export function set(fileName: string, moduleExports: object) {
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fileName = normalizeModuleName(fileName);
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assert(
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fileName.startsWith("/"),
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`Normalized modules should start with /\n${fileName}`
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);
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log("ModuleExportsCache set", fileName);
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cache.set(fileName, moduleExports);
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}
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export function get(fileName: string): object {
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fileName = normalizeModuleName(fileName);
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log("ModuleExportsCache get", fileName);
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let moduleExports = cache.get(fileName);
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if (moduleExports == null) {
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moduleExports = {};
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set(fileName, moduleExports);
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}
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return moduleExports;
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}
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}
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function normalizeModuleName(fileName: string): string {
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// Remove the extension.
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return fileName.replace(/\.\w+$/, "");
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}
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function normalizeRelativeModuleName(contextFn: string, depFn: string): string {
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if (depFn.startsWith("/")) {
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return depFn;
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} else {
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return path.resolve(path.dirname(contextFn), depFn);
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}
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}
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const executeQueue: Array<() => void> = [];
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export function executeQueueDrain(): void {
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let fn;
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while ((fn = executeQueue.shift())) {
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fn();
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}
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}
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// tslint:disable-next-line:no-any
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type AmdFactory = (...args: any[]) => undefined | object;
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type AmdDefine = (deps: string[], factory: AmdFactory) => void;
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export function makeDefine(fileName: string): AmdDefine {
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const localDefine = (deps: string[], factory: AmdFactory): void => {
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const localRequire = (x: string) => {
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log("localRequire", x);
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};
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const localExports = ModuleExportsCache.get(fileName);
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log("localDefine", fileName, deps, localExports);
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const args = deps.map(dep => {
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if (dep === "require") {
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return localRequire;
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} else if (dep === "exports") {
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return localExports;
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} else {
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dep = normalizeRelativeModuleName(fileName, dep);
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return ModuleExportsCache.get(dep);
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}
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});
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executeQueue.push(() => {
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log("execute", fileName);
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const r = factory(...args);
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if (r != null) {
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ModuleExportsCache.set(fileName, r);
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throw Error("x");
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}
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});
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};
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return localDefine;
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}
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221
compiler.ts
221
compiler.ts
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@ -1,221 +0,0 @@
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import * as ts from "typescript";
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import { log, assert, globalEval, _global } from "./util";
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import * as os from "./os";
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import * as path from "path";
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import * as amd from "./amd";
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/*
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export function makeCacheDir(): string {
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let cacheDir = path.join(env.HOME, ".deno/cache")
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os.mkdirp(cacheDir);
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return cacheDir
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}
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*/
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export function compile(cwd: string, inputFn: string): void {
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const options: ts.CompilerOptions = {
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allowJs: true,
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module: ts.ModuleKind.AMD,
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outDir: "/" // Will be placed in ~/.deno/compile
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};
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const host = new CompilerHost();
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const inputExt = path.extname(inputFn);
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if (!EXTENSIONS.includes(inputExt)) {
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console.error(`Bad file name extension for input "${inputFn}"`);
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os.exit(1);
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}
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const program = ts.createProgram([inputFn], options, host);
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//let sourceFiles = program.getSourceFiles();
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//log("rootFileNames", program.getRootFileNames());
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// Print compilation errors, if any.
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const diagnostics = getDiagnostics(program);
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if (diagnostics.length > 0) {
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const errorMessages = diagnostics.map(d => formatDiagnostic(d, cwd));
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for (const msg of errorMessages) {
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console.error(msg);
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}
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os.exit(2);
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}
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const emitResult = program.emit();
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assert(!emitResult.emitSkipped);
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log("emitResult", emitResult);
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amd.executeQueueDrain();
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}
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/**
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* Format a diagnostic object into a string.
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* Adapted from TS-Node https://github.com/TypeStrong/ts-node
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* which uses the same MIT license as this file but is
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* Copyright (c) 2014 Blake Embrey (hello@blakeembrey.com)
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*/
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export function formatDiagnostic(
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diagnostic: ts.Diagnostic,
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cwd: string,
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lineOffset = 0
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): string {
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const messageText = ts.flattenDiagnosticMessageText(
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diagnostic.messageText,
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"\n"
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);
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const { code } = diagnostic;
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if (diagnostic.file) {
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const fn = path.relative(cwd, diagnostic.file.fileName);
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if (diagnostic.start) {
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const { line, character } = diagnostic.file.getLineAndCharacterOfPosition(
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diagnostic.start
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);
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const r = Number(line) + 1 + lineOffset;
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const c = Number(character) + 1;
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return `${fn} (${r},${c}): ${messageText} (${code})`;
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}
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return `${fn}: ${messageText} (${code})`;
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}
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return `${messageText} (${code})`;
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}
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function getDiagnostics(program: ts.Program): ReadonlyArray<ts.Diagnostic> {
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return program
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.getOptionsDiagnostics()
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.concat(
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program.getGlobalDiagnostics(),
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program.getSyntacticDiagnostics(),
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program.getSemanticDiagnostics(),
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program.getDeclarationDiagnostics()
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);
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}
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const EXTENSIONS = [".ts", ".js"];
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export class CompilerHost {
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constructor() {}
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getSourceFile(
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fileName: string,
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languageVersion: ts.ScriptTarget,
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onError?: (message: string) => void,
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shouldCreateNewSourceFile?: boolean
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): ts.SourceFile | undefined {
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let sourceText: string;
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if (fileName === "lib.d.ts") {
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// TODO This should be compiled into the bindata.
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sourceText = os.readFileSync("node_modules/typescript/lib/lib.d.ts");
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} else {
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sourceText = os.readFileSync(fileName);
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}
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// fileName = fileName.replace(/\.\w+$/, ""); // Remove extension.
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if (sourceText) {
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log("getSourceFile", { fileName });
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return ts.createSourceFile(fileName, sourceText, languageVersion);
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} else {
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log("getSourceFile NOT FOUND", { fileName });
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return undefined;
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}
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}
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getSourceFileByPath?(
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fileName: string,
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path: ts.Path,
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languageVersion: ts.ScriptTarget,
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onError?: (message: string) => void,
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shouldCreateNewSourceFile?: boolean
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): ts.SourceFile | undefined {
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console.log("getSourceFileByPath", fileName);
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return undefined;
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}
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// getCancellationToken?(): CancellationToken;
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getDefaultLibFileName(options: ts.CompilerOptions): string {
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return ts.getDefaultLibFileName(options);
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}
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getDefaultLibLocation(): string {
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return "/blah/";
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}
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writeFile(
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fileName: string,
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data: string,
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writeByteOrderMark: boolean,
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onError: ((message: string) => void) | undefined,
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sourceFiles: ReadonlyArray<ts.SourceFile>
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): void {
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//log("writeFile", { fileName, data });
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os.compileOutput(data, fileName);
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_global["define"] = amd.makeDefine(fileName);
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globalEval(data);
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_global["define"] = null;
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}
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getCurrentDirectory(): string {
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log("getCurrentDirectory", ".");
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return ".";
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}
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getDirectories(path: string): string[] {
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log("getDirectories", path);
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return [];
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}
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getCanonicalFileName(fileName: string): string {
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return fileName;
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}
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useCaseSensitiveFileNames(): boolean {
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return true;
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}
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getNewLine(): string {
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return "\n";
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}
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resolveModuleNames(
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moduleNames: string[],
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containingFile: string,
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reusedNames?: string[]
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): Array<ts.ResolvedModule | undefined> {
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//log("resolveModuleNames", { moduleNames, reusedNames });
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return moduleNames.map((name: string) => {
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if (
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name.startsWith("/") ||
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name.startsWith("http://") ||
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name.startsWith("https://")
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) {
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throw Error("Non-relative imports not yet supported.");
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} else {
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// Relative import.
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const containingDir = path.dirname(containingFile);
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const resolvedFileName = path.join(containingDir, name);
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//log("relative import", { containingFile, name, resolvedFileName });
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const isExternalLibraryImport = false;
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return { resolvedFileName, isExternalLibraryImport };
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}
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});
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}
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fileExists(fileName: string): boolean {
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log("fileExists", fileName);
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return false;
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}
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readFile(fileName: string): string | undefined {
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log("readFile", fileName);
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return undefined;
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}
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/**
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* This method is a companion for 'resolveModuleNames' and is used to resolve
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* 'types' references to actual type declaration files
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*/
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// resolveTypeReferenceDirectives?(typeReferenceDirectiveNames: string[],
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// containingFile: string): (ResolvedTypeReferenceDirective | undefined)[];
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// getEnvironmentVariable?(name: string): string
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// createHash?(data: string): string;
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}
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54
main.go
54
main.go
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@ -1,29 +1,48 @@
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package main
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import (
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"crypto/md5"
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"encoding/hex"
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"github.com/golang/protobuf/proto"
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"github.com/ry/v8worker2"
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"io/ioutil"
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"os"
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"path"
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"path/filepath"
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"runtime"
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"strings"
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)
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func HandleCompileOutput(source string, filename string) []byte {
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// println("compile output from golang", filename)
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// Remove any ".." elements. This prevents hacking by trying to move up.
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filename, err := filepath.Rel("/", filename)
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check(err)
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if strings.Contains(filename, "..") {
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panic("Assertion error.")
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func SourceCodeHash(filename string, sourceCodeBuf []byte) string {
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h := md5.New()
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h.Write([]byte(filename))
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h.Write(sourceCodeBuf)
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return hex.EncodeToString(h.Sum(nil))
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}
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func HandleSourceCodeFetch(filename string) []byte {
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res := &Msg{Kind: Msg_SOURCE_CODE_FETCH_RES}
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sourceCodeBuf, err := Asset("dist/" + filename)
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if err != nil {
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sourceCodeBuf, err = ioutil.ReadFile(filename)
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}
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filename = path.Join(CompileDir, filename)
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err = os.MkdirAll(path.Dir(filename), 0700)
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check(err)
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err = ioutil.WriteFile(filename, []byte(source), 0600)
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if err != nil {
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res.Error = err.Error()
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} else {
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cacheKey := SourceCodeHash(filename, sourceCodeBuf)
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println("cacheKey", filename, cacheKey)
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// TODO For now don't do any cache lookups..
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res.Payload = &Msg_SourceCodeFetchRes{
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SourceCodeFetchRes: &SourceCodeFetchResMsg{
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SourceCode: string(sourceCodeBuf),
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OutputCode: "",
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},
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}
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}
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out, err := proto.Marshal(res)
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check(err)
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return out
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}
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func HandleSourceCodeCache(filename string, sourceCode string, outputCode string) []byte {
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return nil
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}
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@ -87,9 +106,12 @@ func recv(buf []byte) []byte {
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return ReadFileSync(msg.Path)
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case Msg_EXIT:
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os.Exit(int(msg.Code))
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case Msg_COMPILE_OUTPUT:
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payload := msg.GetCompileOutput()
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return HandleCompileOutput(payload.Source, payload.Filename)
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case Msg_SOURCE_CODE_FETCH:
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payload := msg.GetSourceCodeFetch()
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return HandleSourceCodeFetch(payload.Filename)
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case Msg_SOURCE_CODE_CACHE:
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payload := msg.GetSourceCodeCache()
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return HandleSourceCodeCache(payload.Filename, payload.SourceCode, payload.OutputCode)
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default:
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panic("Unexpected message")
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}
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7
main.ts
7
main.ts
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@ -1,11 +1,14 @@
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import { main as pb } from "./msg.pb";
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import "./util";
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import { compile } from "./compiler";
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import * as runtime from "./runtime";
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import * as path from "path";
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function start(cwd: string, argv: string[]): void {
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// TODO parse arguments.
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const inputFn = argv[1];
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compile(cwd, inputFn);
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const fn = path.resolve(cwd, inputFn);
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const m = runtime.FileModule.load(fn);
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m.compileAndRun();
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}
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V8Worker2.recv((ab: ArrayBuffer) => {
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|
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24
msg.proto
24
msg.proto
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@ -7,13 +7,18 @@ message Msg {
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READ_FILE_SYNC = 1;
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DATA_RESPONSE = 2;
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EXIT = 3;
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COMPILE_OUTPUT = 4;
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SOURCE_CODE_FETCH = 4;
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SOURCE_CODE_FETCH_RES = 5;
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SOURCE_CODE_CACHE = 6;
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}
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MsgKind kind = 10;
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oneof payload {
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StartMsg start = 90;
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CompileOutputMsg compile_output = 100;
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SourceCodeFetchMsg source_code_fetch = 91;
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SourceCodeFetchResMsg source_code_fetch_res = 92;
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SourceCodeCacheMsg source_code_cache = 93;
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}
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// READ_FILE_SYNC and MKDIRP
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|
@ -33,8 +38,15 @@ message StartMsg {
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repeated string argv = 2;
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}
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// WRITE_COMPILE_OUTPUT
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message CompileOutputMsg {
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string source = 1;
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string filename = 2;
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message SourceCodeFetchMsg { string filename = 1; }
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message SourceCodeFetchResMsg {
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string source_code = 1;
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string output_code = 2;
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}
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|
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message SourceCodeCacheMsg {
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string filename = 1;
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string source_code = 2;
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string output_code = 3;
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}
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|
|
37
os.ts
37
os.ts
|
@ -11,11 +11,27 @@ export function exit(code = 0): void {
|
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});
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}
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export function compileOutput(source: string, filename: string): void {
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sendMsgFromObject({
|
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kind: pb.Msg.MsgKind.COMPILE_OUTPUT,
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compileOutput: { source, filename }
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export function sourceCodeFetch(
|
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filename: string
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): { sourceCode: string; outputCode: string } {
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const res = sendMsgFromObject({
|
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kind: pb.Msg.MsgKind.SOURCE_CODE_FETCH,
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sourceCodeFetch: { filename }
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});
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const { sourceCode, outputCode } = res.sourceCodeFetchRes;
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return { sourceCode, outputCode };
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}
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|
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export function sourceCodeCache(
|
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filename: string,
|
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sourceCode: string,
|
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outputCode: string
|
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): void {
|
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const res = sendMsgFromObject({
|
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kind: pb.Msg.MsgKind.SOURCE_CODE_CACHE,
|
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sourceCodeCache: { filename, sourceCode, outputCode }
|
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});
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throwOnError(res);
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}
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|
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export function readFileSync(filename: string): string {
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|
@ -23,9 +39,6 @@ export function readFileSync(filename: string): string {
|
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kind: pb.Msg.MsgKind.READ_FILE_SYNC,
|
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path: filename
|
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});
|
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if (res.error != null && res.error.length > 0) {
|
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throw Error(res.error);
|
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}
|
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const decoder = new TextDecoder("utf8");
|
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return decoder.decode(res.data);
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}
|
||||
|
@ -41,8 +54,16 @@ function sendMsgFromObject(obj: pb.IMsg): null | pb.Msg {
|
|||
const ab = typedArrayToArrayBuffer(ui8);
|
||||
const resBuf = V8Worker2.send(ab);
|
||||
if (resBuf != null && resBuf.byteLength > 0) {
|
||||
return pb.Msg.decode(new Uint8Array(resBuf));
|
||||
const res = pb.Msg.decode(new Uint8Array(resBuf));
|
||||
throwOnError(res);
|
||||
return res;
|
||||
} else {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
function throwOnError(res: pb.Msg) {
|
||||
if (res != null && res.error != null && res.error.length > 0) {
|
||||
throw Error(res.error);
|
||||
}
|
||||
}
|
||||
|
|
244
runtime.ts
Normal file
244
runtime.ts
Normal file
|
@ -0,0 +1,244 @@
|
|||
// Glossary
|
||||
// outputCode = generated javascript code
|
||||
// sourceCode = typescript code (or input javascript code)
|
||||
// fileName = an unresolved raw fileName.
|
||||
// moduleName = a resolved module name
|
||||
|
||||
import * as ts from "typescript";
|
||||
import * as path from "path";
|
||||
import * as util from "./util";
|
||||
import { log } from "./util";
|
||||
import * as os from "./os";
|
||||
|
||||
// This class represents a module. We call it FileModule to make it explicit
|
||||
// that each module represents a single file.
|
||||
// Access to FileModule instances should only be done thru the static method
|
||||
// FileModule.load(). FileModules are executed upon first load.
|
||||
export class FileModule {
|
||||
scriptVersion: string = undefined;
|
||||
sourceCode: string;
|
||||
outputCode: string;
|
||||
readonly exports = {};
|
||||
|
||||
private static readonly map = new Map<string, FileModule>();
|
||||
private constructor(readonly fileName: string) {
|
||||
FileModule.map.set(fileName, this);
|
||||
|
||||
assertValidFileName(this.fileName);
|
||||
|
||||
// Load typescript code (sourceCode) and maybe load compiled javascript
|
||||
// (outputCode) from cache. If cache is empty, outputCode will be null.
|
||||
const { sourceCode, outputCode } = os.sourceCodeFetch(this.fileName);
|
||||
this.sourceCode = sourceCode;
|
||||
this.outputCode = outputCode;
|
||||
this.scriptVersion = "1";
|
||||
}
|
||||
|
||||
compileAndRun() {
|
||||
if (!this.outputCode) {
|
||||
// If there is no cached outputCode, the compile the code.
|
||||
util.assert(this.sourceCode && this.sourceCode.length > 0);
|
||||
const compiler = Compiler.instance();
|
||||
this.outputCode = compiler.compile(this.fileName);
|
||||
os.sourceCodeCache(this.fileName, this.sourceCode, this.outputCode);
|
||||
}
|
||||
util.log("compileAndRun", this.sourceCode);
|
||||
execute(this.fileName, this.outputCode);
|
||||
}
|
||||
|
||||
static load(fileName: string): FileModule {
|
||||
assertValidFileName(fileName);
|
||||
let m = this.map.get(fileName);
|
||||
if (m == null) {
|
||||
m = new this(fileName);
|
||||
util.assert(this.map.has(fileName));
|
||||
}
|
||||
return m;
|
||||
}
|
||||
|
||||
static getScriptsWithSourceCode(): string[] {
|
||||
const out = [];
|
||||
for (const fn of this.map.keys()) {
|
||||
const m = this.map.get(fn);
|
||||
if (m.sourceCode) {
|
||||
out.push(fn);
|
||||
}
|
||||
}
|
||||
return out;
|
||||
}
|
||||
}
|
||||
|
||||
function assertValidFileName(fileName: string): void {
|
||||
if (fileName !== "lib.d.ts") {
|
||||
util.assert(fileName[0] === "/", `fileName must be absolute: ${fileName}`);
|
||||
}
|
||||
}
|
||||
|
||||
// tslint:disable-next-line:no-any
|
||||
type AmdFactory = (...args: any[]) => undefined | object;
|
||||
type AmdDefine = (deps: string[], factory: AmdFactory) => void;
|
||||
|
||||
export function makeDefine(fileName: string): AmdDefine {
|
||||
const localDefine = (deps: string[], factory: AmdFactory): void => {
|
||||
const localRequire = (x: string) => {
|
||||
log("localRequire", x);
|
||||
};
|
||||
const currentModule = FileModule.load(fileName);
|
||||
const localExports = currentModule.exports;
|
||||
log("localDefine", fileName, deps, localExports);
|
||||
const args = deps.map(dep => {
|
||||
if (dep === "require") {
|
||||
return localRequire;
|
||||
} else if (dep === "exports") {
|
||||
return localExports;
|
||||
} else {
|
||||
dep = resolveModuleName(dep, fileName);
|
||||
const depModule = FileModule.load(dep);
|
||||
depModule.compileAndRun();
|
||||
return depModule.exports;
|
||||
}
|
||||
});
|
||||
factory(...args);
|
||||
};
|
||||
return localDefine;
|
||||
}
|
||||
|
||||
function resolveModuleName(fileName: string, contextFileName: string): string {
|
||||
return path.resolve(path.dirname(contextFileName), fileName);
|
||||
}
|
||||
|
||||
function execute(fileName: string, outputCode: string): void {
|
||||
util.assert(outputCode && outputCode.length > 0);
|
||||
util._global["define"] = makeDefine(fileName);
|
||||
util.globalEval(outputCode);
|
||||
util._global["define"] = null;
|
||||
}
|
||||
|
||||
// This is a singleton class. Use Compiler.instance() to access.
|
||||
class Compiler {
|
||||
options: ts.CompilerOptions = {
|
||||
allowJs: true,
|
||||
module: ts.ModuleKind.AMD,
|
||||
outDir: "$deno$"
|
||||
};
|
||||
/*
|
||||
allowJs: true,
|
||||
inlineSourceMap: true,
|
||||
inlineSources: true,
|
||||
module: ts.ModuleKind.AMD,
|
||||
noEmit: false,
|
||||
outDir: '$deno$',
|
||||
*/
|
||||
private service: ts.LanguageService;
|
||||
|
||||
private constructor() {
|
||||
const host = new TypeScriptHost(this.options);
|
||||
this.service = ts.createLanguageService(host);
|
||||
}
|
||||
|
||||
private static _instance: Compiler;
|
||||
static instance(): Compiler {
|
||||
return this._instance || (this._instance = new this());
|
||||
}
|
||||
|
||||
compile(fileName: string): string {
|
||||
const output = this.service.getEmitOutput(fileName);
|
||||
|
||||
// Get the relevant diagnostics - this is 3x faster than
|
||||
// `getPreEmitDiagnostics`.
|
||||
const diagnostics = this.service
|
||||
.getCompilerOptionsDiagnostics()
|
||||
.concat(this.service.getSyntacticDiagnostics(fileName))
|
||||
.concat(this.service.getSemanticDiagnostics(fileName));
|
||||
if (diagnostics.length > 0) {
|
||||
throw Error("diagnotics");
|
||||
}
|
||||
|
||||
util.log("compile output", output);
|
||||
util.assert(!output.emitSkipped);
|
||||
|
||||
const outputCode = output.outputFiles[0].text;
|
||||
// let sourceMapCode = output.outputFiles[0].text;
|
||||
return outputCode;
|
||||
}
|
||||
}
|
||||
|
||||
// Create the compiler host for type checking.
|
||||
class TypeScriptHost implements ts.LanguageServiceHost {
|
||||
constructor(readonly options: ts.CompilerOptions) {}
|
||||
|
||||
getScriptFileNames(): string[] {
|
||||
const keys = FileModule.getScriptsWithSourceCode();
|
||||
util.log("getScriptFileNames", keys);
|
||||
return keys;
|
||||
}
|
||||
|
||||
getScriptVersion(fileName: string): string {
|
||||
util.log("getScriptVersion", fileName);
|
||||
const m = FileModule.load(fileName);
|
||||
return m.scriptVersion;
|
||||
}
|
||||
|
||||
getScriptSnapshot(fileName: string): ts.IScriptSnapshot | undefined {
|
||||
util.log("getScriptSnapshot", fileName);
|
||||
const m = FileModule.load(fileName);
|
||||
if (m.sourceCode) {
|
||||
return ts.ScriptSnapshot.fromString(m.sourceCode);
|
||||
} else {
|
||||
return undefined;
|
||||
}
|
||||
}
|
||||
|
||||
fileExists(fileName: string): boolean {
|
||||
throw Error("not implemented");
|
||||
}
|
||||
|
||||
readFile(path: string, encoding?: string): string | undefined {
|
||||
util.log("readFile", path);
|
||||
throw Error("not implemented");
|
||||
}
|
||||
|
||||
getNewLine() {
|
||||
const EOL = "\n";
|
||||
return EOL;
|
||||
}
|
||||
|
||||
getCurrentDirectory() {
|
||||
util.log("getCurrentDirectory");
|
||||
return ".";
|
||||
}
|
||||
|
||||
getCompilationSettings() {
|
||||
util.log("getCompilationSettings");
|
||||
return this.options;
|
||||
}
|
||||
|
||||
getDefaultLibFileName(options: ts.CompilerOptions): string {
|
||||
util.log("getDefaultLibFileName");
|
||||
return ts.getDefaultLibFileName(options);
|
||||
}
|
||||
|
||||
resolveModuleNames(
|
||||
moduleNames: string[],
|
||||
containingFile: string,
|
||||
reusedNames?: string[]
|
||||
): Array<ts.ResolvedModule | undefined> {
|
||||
util.log("resolveModuleNames", { moduleNames, reusedNames });
|
||||
return moduleNames.map((name: string) => {
|
||||
if (
|
||||
name.startsWith("/") ||
|
||||
name.startsWith("http://") ||
|
||||
name.startsWith("https://")
|
||||
) {
|
||||
throw Error("Non-relative imports not yet supported.");
|
||||
} else {
|
||||
// Relative import.
|
||||
const containingDir = path.dirname(containingFile);
|
||||
const resolvedFileName = path.join(containingDir, name);
|
||||
util.log("relative import", { containingFile, name, resolvedFileName });
|
||||
const isExternalLibraryImport = false;
|
||||
return { resolvedFileName, isExternalLibraryImport };
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
Loading…
Reference in a new issue