Add 'releaseObject' API

Author: 3y3

InjectedScript/InjectedScriptHost.js

@@ -18,8 +18,8 @@
     var id = lastBoundObjectId++;
     idToWrappedObject.set(id, value);
 
-    if (!groupName) return;
     if (id < 0) return;
+    if (groupName == null) return id;
 
     idToObjectGroupName.set(id, groupName);
 
@@ -31,6 +31,33 @@
     return id;
   };
 
+  InjectedScriptHost.prototype.unbind = function(id) {
+    idToWrappedObject.delete(id);
+    idToObjectGroupName.delete(id);
+  };
+
+  InjectedScriptHost.prototype.releaseObject = function(objectId) {
+    var parsedObjectId;
+    try {
+      parsedObjectId = JSON.parse(objectId);
+    } catch (e) { return; }
+
+    this.unbind(parsedObjectId.id);
+  };
+
+  InjectedScriptHost.prototype.releaseObjectGroup = function(groupName) {
+    if (!groupName) return;
+
+    var group = nameToObjectGroup.get(groupName);
+    if (!group) return;
+
+    group.forEach(function(id) {
+      this.unbind(id);
+    }, this);
+
+    nameToObjectGroup.delete(groupName);
+  };
+
   InjectedScriptHost.prototype.objectForId = function(id) {
     if (!Number(id)) return;
     return idToWrappedObject.get(id);

v8-debug.js

@@ -182,7 +182,7 @@ function sendCommand(name, attributes, userdata) {
     seq: 0,
     type: 'request',
     command: name,
-    arguments: attributes || {}
+    arguments: attributes
   };
   binding.sendCommand(JSON.stringify(message));
 };
@@ -256,9 +256,9 @@ V8Debug.prototype.enableWebkitProtocol = function() {
   InjectedScriptHost = this.runInDebugContext(InjectedScriptHostSource)(binding, DebuggerScript);
 
   JavaScriptCallFrameSource = fs.readFileSync(JavaScriptCallFrameLink, 'utf8');
-  JavaScriptCallFrame = this.runInDebugContext(JavaScriptCallFrameSource)(binding, DebuggerScript);
+  JavaScriptCallFrame = this.runInDebugContext(JavaScriptCallFrameSource)(binding);
 
-  var injectedScript = InjectedScript(InjectedScriptHost, global, 1);
+  var injectedScript = InjectedScript(InjectedScriptHost, global, process.pid);
 
   this.registerAgentCommand = function(command, parameters, callback) {
     if (typeof parameters === 'function') {
@@ -274,8 +274,16 @@ V8Debug.prototype.enableWebkitProtocol = function() {
 
     if (maximumLimit < 0) throw new Error('Incorrect stack trace limit.');
     var data = (maximumLimit << scopeBits) | scopeDetails;
+    var currentCallFrame = DebuggerScript.currentCallFrame(execState, data);
+    return new JavaScriptCallFrame(currentCallFrame);
+  };
+
+  this.releaseObject = function(name) {
+    return InjectedScriptHost.releaseObject(name);
+  };
 
-    return JavaScriptCallFrame.currentCallFrame(execState, data);;
+  this.releaseObjectGroup = function(name) {
+    return InjectedScriptHost.releaseObjectGroup(name);
   };
 
   this._webkitProtocolEnabled = true;
@@ -295,6 +303,8 @@ V8Debug.prototype.enableWebkitProtocol = function() {
   }
 };
 
+V8Debug.prototype.releaseObject =
+V8Debug.prototype.releaseObjectGroup =
 V8Debug.prototype.wrapCallFrames =
 V8Debug.prototype.registerAgentCommand = function(command, parameters, callback) {
   throw new Error('Use "enableWebkitProtocol" before using this method');