mirror of
https://github.com/denoland/deno.git
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3e51605bc9
Implements code_fetch handler in Rust. Add ability to embed string assets (for typescript declaration files) Remove deno_cc and deno_cc_nosnapshot targets.
64 lines
2 KiB
TypeScript
64 lines
2 KiB
TypeScript
// tslint:disable-next-line:no-reference
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/// <reference path="deno.d.ts" />
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import { flatbuffers } from "flatbuffers";
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import { deno as fbs } from "./msg_generated";
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import { assert, log } from "./util";
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import * as runtime from "./runtime";
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const globalEval = eval;
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const window = globalEval("this");
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let cmdIdCounter = 0;
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function assignCmdId(): number {
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// TODO(piscisaureus) Safely re-use so they don't overflow.
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const cmdId = ++cmdIdCounter;
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assert(cmdId < 2 ** 32, "cmdId overflow");
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return cmdId;
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}
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function startMsg(cmdId: number): Uint8Array {
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const builder = new flatbuffers.Builder();
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const msg = fbs.Start.createStart(builder, 0);
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fbs.Base.startBase(builder);
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fbs.Base.addCmdId(builder, cmdId);
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fbs.Base.addMsg(builder, msg);
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fbs.Base.addMsgType(builder, fbs.Any.Start);
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builder.finish(fbs.Base.endBase(builder));
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return builder.asUint8Array();
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}
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window["denoMain"] = () => {
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// First we send an empty "Start" message to let the privlaged side know we
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// are ready. The response should be a "StartRes" message containing the CLI
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// argv and other info.
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const cmdId = assignCmdId();
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const res = deno.send(startMsg(cmdId));
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// TODO(ry) Remove this conditional once main.rs gets up to speed.
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if (res == null) {
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console.log(`The 'Start' message got a null response. Normally this would
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be an error but main.rs currently does this."); Exiting without error.`);
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return;
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}
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// Deserialize res into startResMsg.
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const bb = new flatbuffers.ByteBuffer(res);
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const base = fbs.Base.getRootAsBase(bb);
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assert(base.cmdId() === cmdId);
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assert(fbs.Any.StartRes === base.msgType());
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const startResMsg = new fbs.StartRes();
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assert(base.msg(startResMsg) != null);
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const cwd = startResMsg.cwd();
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log("cwd", cwd);
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const argv: string[] = [];
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for (let i = 0; i < startResMsg.argvLength(); i++) {
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argv.push(startResMsg.argv(i));
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}
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log("argv", argv);
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const inputFn = argv[1];
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const mod = runtime.resolveModule(inputFn, `${cwd}/`);
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mod.compileAndRun();
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};
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