Fix rename pt 1

page/src/emulator.ts

@@ -1,183 +0,0 @@
-import { createDefaultSettings, Settings, translateSettings } from "./settings";
-import { FileEntry } from "./zip-file";
-
-import * as flatbuffers from "flatbuffers";
-import * as fbDebugger from "@/fb/debugger";
-import * as fbDebuggerEvent from "@/fb/debugger/event";
-
-import { Filesystem } from "./filesystem";
-
-type LogHandler = (lines: string[]) => void;
-
-export enum EmulationState {
-  Stopped,
-  Paused,
-  Running,
-}
-
-function base64Encode(uint8Array: Uint8Array): string {
-  let binaryString = "";
-  for (let i = 0; i < uint8Array.byteLength; i++) {
-    binaryString += String.fromCharCode(uint8Array[i]);
-  }
-
-  return btoa(binaryString);
-}
-
-function base64Decode(data: string) {
-  const binaryString = atob(data);
-
-  const len = binaryString.length;
-  const bytes = new Uint8Array(len);
-
-  for (let i = 0; i < len; i++) {
-    bytes[i] = binaryString.charCodeAt(i);
-  }
-
-  return bytes;
-}
-
-function decodeEvent(data: string) {
-  const array = base64Decode(data);
-  const buffer = new flatbuffers.ByteBuffer(array);
-  const event = fbDebugger.DebugEvent.getRootAsDebugEvent(buffer);
-  return event.unpack();
-}
-
-type StateChangeHandler = (state: EmulationState) => void;
-
-export class Emulator {
-  logHandler: LogHandler;
-  stateChangeHandler: StateChangeHandler;
-  terminatePromise: Promise<number | null>;
-  terminateResolve: (value: number | null) => void;
-  terminateReject: (reason?: any) => void;
-  worker: Worker;
-  state: EmulationState = EmulationState.Stopped;
-
-  constructor(logHandler: LogHandler, stateChangeHandler: StateChangeHandler) {
-    this.logHandler = logHandler;
-    this.stateChangeHandler = stateChangeHandler;
-    this.terminateResolve = () => {};
-    this.terminateReject = () => {};
-    this.terminatePromise = new Promise((resolve, reject) => {
-      this.terminateResolve = resolve;
-      this.terminateReject = reject;
-    });
-
-    this.worker = new Worker(
-      /*new URL('./emulator-worker.js', import.meta.url)*/ "./emulator-worker.js",
-    );
-
-    this.worker.onmessage = this._onMessage.bind(this);
-  }
-
-  async start(settings: Settings = createDefaultSettings(), file: string) {
-    this._setState(EmulationState.Running);
-    this.worker.postMessage({
-      message: "run",
-      data: {
-        file,
-        options: translateSettings(settings),
-      },
-    });
-  }
-
-  updateState() {
-    this.sendEvent(
-      new fbDebugger.DebugEventT(
-        fbDebugger.Event.GetStateRequest,
-        new fbDebugger.GetStateRequestT(),
-      ),
-    );
-  }
-
-  getState() {
-    return this.state;
-  }
-
-  stop() {
-    this.worker.terminate();
-    this.terminateResolve(null);
-  }
-
-  onTerminate() {
-    return this.terminatePromise;
-  }
-
-  sendEvent(event: fbDebugger.DebugEventT) {
-    const builder = new flatbuffers.Builder(1024);
-    fbDebugger.DebugEvent.finishDebugEventBuffer(builder, event.pack(builder));
-
-    const message = base64Encode(builder.asUint8Array());
-
-    this.worker.postMessage({
-      message: "event",
-      data: message,
-    });
-  }
-
-  pause() {
-    this.sendEvent(
-      new fbDebugger.DebugEventT(
-        fbDebugger.Event.PauseRequest,
-        new fbDebugger.PauseRequestT(),
-      ),
-    );
-
-    this.updateState();
-  }
-
-  resume() {
-    this.sendEvent(
-      new fbDebugger.DebugEventT(
-        fbDebugger.Event.RunRequest,
-        new fbDebugger.RunRequestT(),
-      ),
-    );
-
-    this.updateState();
-  }
-
-  _onMessage(event: MessageEvent) {
-    if (event.data.message == "log") {
-      this.logHandler(event.data.data);
-    } else if (event.data.message == "event") {
-      this._onEvent(decodeEvent(event.data.data));
-    } else if (event.data.message == "end") {
-      this._setState(EmulationState.Stopped);
-      this.terminateResolve(0);
-    }
-  }
-
-  _onEvent(event: fbDebugger.DebugEventT) {
-    switch (event.eventType) {
-      case fbDebugger.Event.GetStateResponse:
-        this._handle_state_response(
-          event.event as fbDebugger.GetStateResponseT,
-        );
-        break;
-    }
-  }
-
-  _setState(state: EmulationState) {
-    this.state = state;
-    this.stateChangeHandler(this.state);
-  }
-
-  _handle_state_response(response: fbDebugger.GetStateResponseT) {
-    switch (response.state) {
-      case fbDebugger.State.None:
-        this._setState(EmulationState.Stopped);
-        break;
-
-      case fbDebugger.State.Paused:
-        this._setState(EmulationState.Paused);
-        break;
-
-      case fbDebugger.State.Running:
-        this._setState(EmulationState.Running);
-        break;
-    }
-  }
-}