Bug 1532779 - Add a helper for dumping the current state of the thread actor. r=loganfsmyth

Differential Revision: https://phabricator.services.mozilla.com/D22178

--HG--
extra : moz-landing-system : lando

devtools/client/debugger/new/src/utils/dbg.js

@@ -22,7 +22,7 @@ function sendPacket(dbg: any, packet: any, callback: () => void) {
   dbg.client.sendPacket(packet, callback || console.log);
 }
 
-function sendPacketToThread(dbg: Object, packet: any, callback: () => void) {
+function sendPacketToThread(dbg: Object, packet: any, callback: Function = () => {}) {
   sendPacket(
     dbg,
     { to: dbg.connection.tabConnection.threadClient.actor, ...packet },
@@ -70,7 +70,8 @@ export function setupHelper(obj: Object) {
       findSources: url => findSources(dbg, url),
       evaluate: (expression, cbk) => evaluate(dbg, expression, cbk),
       sendPacketToThread: (packet, cbk) => sendPacketToThread(dbg, packet, cbk),
-      sendPacket: (packet, cbk) => sendPacket(dbg, packet, cbk)
+      sendPacket: (packet, cbk) => sendPacket(dbg, packet, cbk),
+      dumpThread: () => sendPacketToThread(dbg, { type: "dumpThread" })
     },
     formatters: {
       visibleColumnBreakpoints: () => _formatColumnBreapoints(dbg)

devtools/server/actors/thread.js

@@ -1765,6 +1765,13 @@ const ThreadActor = ActorClassWithSpec(threadSpec, {
     return true;
   },
 
+  onDump: function() {
+    return {
+      pauseOnExceptions: this._options.pauseOnExceptions,
+      ignoreCaughtExceptions: this._options.ignoreCaughtExceptions,
+      skipBreakpoints: this.skipBreakpoints,
+    };
+  },
 });
 
 Object.assign(ThreadActor.prototype.requestTypes, {
@@ -1779,6 +1786,7 @@ Object.assign(ThreadActor.prototype.requestTypes, {
   "sources": ThreadActor.prototype.onSources,
   "threadGrips": ThreadActor.prototype.onThreadGrips,
   "skipBreakpoints": ThreadActor.prototype.onSkipBreakpoints,
+  "dumpThread": ThreadActor.prototype.onDump,
 });
 
 exports.ThreadActor = ThreadActor;