Drop unfinished integration to Debug API

Unfortunally, vscode has ugly and useless Debug API.

Related #11, #13.

package.json

@@ -25,9 +25,7 @@
         "onLanguage:wasm",
         "onCommand:wasm.wasm2wat",
         "onCommand:wasm.save2wat",
-        "onCommand:wasm.save2wasm",
-        "onCommand:wasm.pickFunction",
-        "onDebug"
+        "onCommand:wasm.save2wasm"
     ],
     "main": "./out/extension",
     "contributes": {
@@ -82,11 +80,6 @@
                 "command": "wasm.save2wasm",
                 "title": "Save as WebAssembly binary file",
                 "category": "wasm"
-            },
-            {
-                "command": "wasm.pickFunction",
-                "title": "Select a WebAssembly function",
-                "category": "wasm"
             }
         ],
         "menus": {
@@ -154,7 +147,6 @@
         "vscode": "^1.1.18"
     },
     "dependencies": {
-        "vscode-debugprotocol": "^1.29.0",
         "wabt": "^1.0.5"
     }
 }

src/extension.ts

@@ -3,23 +3,13 @@
 import * as vscode from 'vscode'
 
 import WebAssemblyContentProvider from './webassembly-content-provider'
-import WebAssemblyDebugContentProvider from './webassembly-debug-content-provider';
 import { Uri } from 'vscode'
-import { wasm2wat, wat2wasm, writeFile, readFile, SubscribeComplete } from './utils'
-import WebAssemblyFunctionQuickPickItem from './webassembly-quick-pick-item';
-import WebAssemblyDebugSession from './webassembly-debug-session';
-
-const wasmNamespace = '<node_internals>/wasm:'
-const WasmFuncPickItem = WebAssemblyFunctionQuickPickItem;
-
-let activeDebugSession : WebAssemblyDebugSession | null = null
+import { wasm2wat, wat2wasm, writeFile, readFile } from './utils'
 
 export function activate(context: vscode.ExtensionContext) {
   const provider = new WebAssemblyContentProvider()
-  const debugProvider = new WebAssemblyDebugContentProvider()
 
   const registration = vscode.workspace.registerTextDocumentContentProvider('wasm-preview', provider)
-  const registerDebug = vscode.workspace.registerTextDocumentContentProvider('wasm-debug', debugProvider)
 
   const openEvent = vscode.workspace.onDidOpenTextDocument((document: vscode.TextDocument) => {
     showDocument(document);
@@ -63,57 +53,20 @@ export function activate(context: vscode.ExtensionContext) {
       .then(maybeSaveWasm(from), vscode.window.showErrorMessage)
   })
 
-  const pickFunction = vscode.commands.registerCommand('wasm.pickFunction', () => {
-    const sources = activeDebugSession ? activeDebugSession.sources : []
-
-    async function select(file: WebAssemblyFunctionQuickPickItem | undefined) {
-      if (!file || !activeDebugSession) {
-        return
-      }
-
-      return activeDebugSession.openFile(file.source)
-    }
-
-    const options = { placeHolder: "Pick a function..." };
-
-    vscode.window.showQuickPick(sources.map(source => new WasmFuncPickItem(source)), options)
-      .then(select, vscode.window.showErrorMessage)
-  });
-
   if (vscode.window.activeTextEditor) {
     showDocument(vscode.window.activeTextEditor.document);
   }
 
-  const startDebugEvent = vscode.debug.onDidStartDebugSession((session: vscode.DebugSession) => {
-    if (!isNodeDebugSession(session)) {
-      return
-    }
-
-    activeDebugSession = new WebAssemblyDebugSession(session);
-
-    activeDebugSession.once('wasm:sources', (sources) => {
-      console.log('Complete loadind sources, length=%s', sources.length);
-    })
-
-    activeDebugSession.on('error', (error) => console.error(error))
-
-    context.subscriptions.push(activeDebugSession);
-  })
-
   context.subscriptions.push(
     registration,
-    registerDebug,
     openEvent,
     previewCommand,
     save2watCommand,
     save2wasmCommand,
-    startDebugEvent,
-    pickFunction
   )
 }
 
 export function deactivate() {
-  activeDebugSession = null
 }
 
 function showDocument(document: vscode.TextDocument): void {
@@ -166,19 +119,3 @@ async function saveWasm(from: vscode.Uri, to: vscode.Uri) {
 
   await writeFile(to, wasmContent)
 }
-
-function isNodeDebugSession(session: vscode.DebugSession | undefined) {
-  if (session === undefined) {
-    return false
-  }
-
-  if (!session.type.startsWith('node')) {
-    return false
-  }
-
-  return true
-}
-
-function isWebAssemblyDocument(document: vscode.TextDocument) {
-  return document.fileName.startsWith(wasmNamespace)
-}

src/utils.ts

@@ -1,6 +1,5 @@
-import { TextDocumentContentProvider, Uri, window } from 'vscode'
+import { Uri, window } from 'vscode'
 import * as fs from 'fs'
-import { EventEmitter } from 'events'
 import * as WabtModule from 'wabt'
 
 // @ts-ignore
@@ -93,47 +92,3 @@ export function wat2wasm(content: Buffer): Buffer {
     wasmModule.destroy()
   }
 }
-
-export class SubscribeComplete extends EventEmitter {
-  private _events: Array<any>;
-  private _handle : NodeJS.Timer;
-  private _time: number;
-  private _complete: boolean;
-
-  constructor(time: number) {
-    super();
-
-    this._events = [];
-    this._time = time;
-    this._complete = false;
-
-    this.resetTimer();
-  }
-
-  private resetTimer() {
-    if (this._handle !== undefined) {
-      clearTimeout(this._handle);
-    }
-
-    this._handle = setTimeout(() => {
-      this._complete = true;
-      this.emit('complete', this._events);
-    }, this._time);
-  }
-
-  process(event): boolean {
-    if (this._complete) {
-      return false
-    }
-
-    this._events.push(event);
-    this.resetTimer();
-
-    return true;
-  }
-
-  dispose() {
-    this._events.length = 0;
-    this._handle = undefined;
-  }
-}