132387 2014-04-30 10:16:45 -0700 Web Inspector: clean up and decompose InspectorBackend functionality 2014-04-30 13:31:15 -0700 1 1 1 Unclassified WebKit Web Inspector 528+ (Nightly build) All All RESOLVED FIXED DoNotImportToRadar P2 Normal --- 1 burg burg graouts joepeck timothy webkit-bug-importer oldest_to_newest 1005407 0 burg 2014-04-30 10:16:45 -0700 This code needs to be spruced up. We are using too many indentation levels. :) 1005445 1 230501 burg 2014-04-30 11:40:43 -0700 Created attachment 230501 the patch 1005482 2 230501 joepeck 2014-04-30 12:51:14 -0700 Comment on attachment 230501 the patch View in context: https://bugs.webkit.org/attachment.cgi?id=230501&action=review Difficult to read the diff with it being scattered red/green. Not much that can be done about that given the diff algorithm. But looks good. r=me > Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:40 > + this._callbackData = {}; I wonder if we should make this a Map instead of an object. Oliver keeps telling me that `delete` makes objects slow. Well, with a Map has built in set/delete methods. > Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:41 > + this._agents = {}; This could probably also be a map. > Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:63 > + agent.addEnum(new InspectorBackend.Enum(enumName, enumValues)); Nit: Seems kind of a waste to construct this object, which just immediately gets garbage collected. Unlike the others, this one doesn't stay around. > Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:122 > + var callbackData = { Style: double space > Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:138 > + --this._pendingResponsesCount; Nit: console.assert(this._pendingResponsesCount >= 0) > Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:164 > + callbackArguments.unshift(messageObject["error"] ? messageObject["error"].message : null); Instead of this being an unshift after pushing all the result pieces we should make pushing the error / null the first push. In testing that can would speed up this array creation by ~2x. > Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:198 > + console.error("Protocol Error: Attempted to dispatch an unspecified method '" + qualifiedName + "'"); Nit: Could include the domain it tried to evalute the method on. > Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:233 > + messageObject["id"] = this._registerSentCommand(command, callback); Nit: "_registerSentCommand" seems like the wrong name for this function since it is happening before we are sending. Some alternatives, "this._sequenceCommandForBackend" or "this._willSendMessageToBackend". > Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:387 > var instance = this._instance; > - return instance._callSignature.any(function(parameter) { > + return instance.callSignature.any(function(parameter) { > return parameter["name"] === parameterName Style: Why the local var instance at all? Also missing a semicolon in the inner statement. 1005487 3 230501 burg 2014-04-30 13:07:57 -0700 Comment on attachment 230501 the patch View in context: https://bugs.webkit.org/attachment.cgi?id=230501&action=review >> Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:40 >> + this._callbackData = {}; > > I wonder if we should make this a Map instead of an object. Oliver keeps telling me that `delete` makes objects slow. Well, with a Map has built in set/delete methods. I wasn't sure which is preferred. For this one, I agree a map will be better, since there's no "shape" and the code can create sparse arrays if some commands have no callbacks. >> Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:41 >> + this._agents = {}; > > This could probably also be a map. OTOH, the list of agents is monotonic and we never delete anything. >> Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:63 >> + agent.addEnum(new InspectorBackend.Enum(enumName, enumValues)); > > Nit: Seems kind of a waste to construct this object, which just immediately gets garbage collected. Unlike the others, this one doesn't stay around. OK, true. >> Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:138 >> + --this._pendingResponsesCount; > > Nit: console.assert(this._pendingResponsesCount >= 0) OK >> Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:164 >> + callbackArguments.unshift(messageObject["error"] ? messageObject["error"].message : null); > > Instead of this being an unshift after pushing all the result pieces we should make pushing the error / null the first push. In testing that can would speed up this array creation by ~2x. Oops, didn't really grasp what it was doing. >> Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:198 >> + console.error("Protocol Error: Attempted to dispatch an unspecified method '" + qualifiedName + "'"); > > Nit: Could include the domain it tried to evalute the method on. It does: qualifiedName is Domain.EventName. >> Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:233 >> + messageObject["id"] = this._registerSentCommand(command, callback); > > Nit: "_registerSentCommand" seems like the wrong name for this function since it is happening before we are sending. Some alternatives, "this._sequenceCommandForBackend" or "this._willSendMessageToBackend". I don't like it either. That's the 5th name I tried. >> Source/WebInspectorUI/UserInterface/Protocol/InspectorBackend.js:387 >> return parameter["name"] === parameterName > > Style: Why the local var instance at all? Also missing a semicolon in the inner statement. So that all methods in BackendCommand are consistently using instance rather than this._instance. 1005492 4 burg 2014-04-30 13:31:15 -0700 Committed r168040: <http://trac.webkit.org/changeset/168040> 230501 2014-04-30 11:40:43 -0700 2014-04-30 13:07:57 -0700 the patch bug-132387-20140430114020.patch text/plain 25651 burg U3VidmVyc2lvbiBSZXZpc2lvbjogMTY4MDI4CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViSW5zcGVj dG9yVUkvQ2hhbmdlTG9nIGIvU291cmNlL1dlYkluc3BlY3RvclVJL0NoYW5nZUxvZwppbmRleCA0 M2FjM2FhNzE1OTg5NWI2MmMwMzE2ODU1NDA3MWUwY2YzMzgxYWJhLi45YmI1NjNiYjk0ZjI4MGQ4 OWJkNWIyMmFkM2JjNzhlZTg4NTU4YjgxIDEwMDY0NAotLS0gYS9Tb3VyY2UvV2ViSW5zcGVjdG9y VUkvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9XZWJJbnNwZWN0b3JVSS9DaGFuZ2VMb2cKQEAgLTEs MyArMSw2MSBAQAorMjAxNC0wNC0zMCAgQnJpYW4gSi4gQnVyZyAgPGJ1cmdAY3Mud2FzaGluZ3Rv bi5lZHU+CisKKyAgICAgICAgV2ViIEluc3BlY3RvcjogY2xlYW4gdXAgYW5kIGRlY29tcG9zZSBJ bnNwZWN0b3JCYWNrZW5kIGZ1bmN0aW9uYWxpdHkKKyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtp 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