mirror of
https://github.com/denoland/deno.git
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104 lines
3.3 KiB
TypeScript
104 lines
3.3 KiB
TypeScript
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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import { window } from "./globals";
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import * as flatbuffers from "./flatbuffers";
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import * as msg from "gen/msg_generated";
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import { assert, log, setLogDebug } from "./util";
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import * as os from "./os";
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import { DenoCompiler } from "./compiler";
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import { libdeno } from "./libdeno";
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import { args } from "./deno";
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import { sendSync, handleAsyncMsgFromRust } from "./dispatch";
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import { replLoop } from "./repl";
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import { version } from "typescript";
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import { postMessage } from "./workers";
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import { TextDecoder, TextEncoder } from "./text_encoding";
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import { ModuleSpecifier, ContainingFile } from "./compiler";
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// builtin modules
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import * as deno from "./deno";
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type CompilerLookup = { specifier: ModuleSpecifier; referrer: ContainingFile };
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// Global reference to StartRes so it can be shared between compilerMain and
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// denoMain.
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let startResMsg: msg.StartRes;
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function sendStart(): void {
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const builder = flatbuffers.createBuilder();
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msg.Start.startStart(builder);
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const startOffset = msg.Start.endStart(builder);
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const baseRes = sendSync(builder, msg.Any.Start, startOffset);
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assert(baseRes != null);
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assert(msg.Any.StartRes === baseRes!.innerType());
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startResMsg = new msg.StartRes();
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assert(baseRes!.inner(startResMsg) != null);
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}
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function compilerMain() {
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// workerMain should have already been called since a compiler is a worker.
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const compiler = DenoCompiler.instance();
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compiler.recompile = startResMsg.recompileFlag();
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log(`recompile ${compiler.recompile}`);
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window.onmessage = (e: { data: Uint8Array }) => {
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const json = new TextDecoder().decode(e.data);
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const lookup = JSON.parse(json) as CompilerLookup;
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const moduleMetaData = compiler.run(lookup.specifier, lookup.referrer);
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moduleMetaData.outputCode = compiler.compile(moduleMetaData);
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const responseJson = JSON.stringify(moduleMetaData);
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const response = new TextEncoder().encode(responseJson);
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postMessage(response);
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};
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}
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window["compilerMain"] = compilerMain;
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/* tslint:disable-next-line:no-default-export */
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export default function denoMain() {
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libdeno.recv(handleAsyncMsgFromRust);
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libdeno.builtinModules["deno"] = deno;
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// libdeno.builtinModules["typescript"] = typescript;
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Object.freeze(libdeno.builtinModules);
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// First we send an empty "Start" message to let the privileged side know we
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// are ready. The response should be a "StartRes" message containing the CLI
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// args and other info.
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sendStart();
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setLogDebug(startResMsg.debugFlag());
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// handle `--types`
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if (startResMsg.typesFlag()) {
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const compiler = DenoCompiler.instance();
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const defaultLibFileName = compiler.getDefaultLibFileName();
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const defaultLibModule = compiler.resolveModule(defaultLibFileName, "");
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console.log(defaultLibModule.sourceCode);
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os.exit(0);
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}
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// handle `--version`
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if (startResMsg.versionFlag()) {
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console.log("deno:", startResMsg.denoVersion());
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console.log("v8:", startResMsg.v8Version());
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console.log("typescript:", version);
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os.exit(0);
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}
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os.setPid(startResMsg.pid());
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const cwd = startResMsg.cwd();
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log("cwd", cwd);
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for (let i = 1; i < startResMsg.argvLength(); i++) {
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args.push(startResMsg.argv(i));
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}
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log("args", args);
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Object.freeze(args);
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const inputFn = args[0];
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if (!inputFn) {
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replLoop();
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}
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}
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