I'm not sure what the PumpMessageLoop call does, but have you tried it without?
That sounds like it might start execution of code even though it is supposed to be paused. On Tuesday, June 6, 2017 at 11:11:20 PM UTC-7, Zac Hansen wrote: > > Hrmm, not sure what happened, I search now and I see this: > > > https://github.com/hsharsha/v8inspector/blob/a8219beb1b69ae6cbec1c79274291a14910cc248/inspector_agent.cc#L308 > > On Tuesday, June 6, 2017 at 11:08:52 PM UTC-7, Zac Hansen wrote: >> >> I searched your code for runMessageLoopOnPause and didn't find an >> override in your subclass. I'm no expert, but the code that I have that >> works is: >> >> https://github.com/xaxxon/v8toolkit/blob/9770d167bc6c39ee731fa10ff08226 >> 7f250c53ab/include/debugger.h#L286 >> >> >> >> virtual void runMessageLoopOnPause(int contextGroupId) override { >> this->paused = true; >> while (this->paused) { >> this->channel->run_one(); >> } >> std::cerr << fmt::format("exiting runMessageLoopOnPause") << std::endl; >> } Where run_one is what gives my websocket server a chance to deal with >> incoming chrome debug protocol messages. >> >> On Tuesday, June 6, 2017 at 10:46:29 PM UTC-7, Harsha HS wrote: >>> >>> Having trouble when those are hit. I am able to set breakpoints >>> I am processing messages in the pause loop. I can watch and respond to >>> getProperty methods when paused. >>> But only way to pause in my code is by hitting halt on the dev-tools. >>> Any other action like step, will just continue the JS execution and it >>> wont hit breakpoints. Only way to pause again is to hit halt. >>> >>> Code is at https://github.com/hsharsha/v8inspector >>> It depends on libuv to interact with browser. >>> >>> Thanks, >>> -Harsha >>> >>> On Wednesday, June 7, 2017 at 11:09:57 AM UTC+5:30, Zac Hansen wrote: >>>> >>>> Are you having trouble setting those or when those are hit? >>>> >>>> When they are hit, your code will go into the same callback as when you >>>> manually pause, from what I've seen. Are you processing messages while in >>>> the pause callback? >>>> >>>> >>>> >>>> On Tuesday, June 6, 2017 at 10:27:24 AM UTC-7, Harsha HS wrote: >>>>> >>>>> Hi, >>>>> >>>>> runMessageLoopOnPause and quitMessageLoopOnPause seems to be working >>>>> correctly. When the debugger is paused using the halt icon on chrome-dev >>>>> tools, runMessageLoopOnPause is called and it is just pumping messages to >>>>> platform and when continued quitMessageLoopOnPause is called and the java >>>>> script execution continues. >>>>> >>>>> I am facing issue with single step, break, step into or step over >>>>> functionality. Debugger is not paused when these methods are hit. >>>>> It looks like a synchronization issue between inspector thread and >>>>> java script execution thread. >>>>> How to synchronize between JS execution and inspector protocol? >>>>> >>>>> Thanks, >>>>> -Harsha >>>>> >>>>> On Monday, May 29, 2017 at 10:42:33 AM UTC+5:30, Anoop R. S. wrote: >>>>>> >>>>>> Hi Harsha, >>>>>> Is it setting the breakpoints by passing "method":"Debugger. >>>>>> setBreakpointByUrl" ? >>>>>> Seems like it is having problems on pausing: pausing at a breakpoint, >>>>>> pausing after singlestep operation. >>>>>> runMessageLoopOnPause function is called when debugger pauses (at a >>>>>> breakpoint, after step over etc) >>>>>> >>>>>> https://groups.google.com/forum/#!topic/v8-users/qmr92Cgagg4 >>>>>> >>>>>> Here is my call stack when pause happens after a step over. You can >>>>>> use it for debugging. >>>>>> >>>>>> >ChromeDbgServer.exe!V8SFWInspector::runMessageLoopOnPause(int >>>>>> contextGroupId) Line 18C++ >>>>>> >>>>>> v8.dll!v8_inspector::V8Debugger::handleProgramBreak(v8::Local<v8::Context> >>>>>> >>>>>> pausedContext, v8::Local<v8::Object> executionState, >>>>>> v8::Local<v8::Value> >>>>>> exception, v8::Local<v8::Array> hitBreakpointNumbers, bool >>>>>> isPromiseRejection, bool isUncaught) Line 519C++ >>>>>> v8.dll!v8_inspector::V8Debugger::handleV8DebugEvent(const >>>>>> v8::DebugInterface::EventDetails & eventDetails) Line 620C++ >>>>>> v8.dll!v8_inspector::V8Debugger::v8DebugEventCallback(const >>>>>> v8::DebugInterface::EventDetails & eventDetails) Line 540C++ >>>>>> v8.dll!v8::internal::Debug::CallEventCallback(v8::DebugEvent >>>>>> event, v8::internal::Handle<v8::internal::Object> exec_state, >>>>>> v8::internal::Handle<v8::internal::Object> event_data, >>>>>> v8::Debug::ClientData * client_data) Line 1903C++ >>>>>> v8.dll!v8::internal::Debug::ProcessDebugEvent(v8::DebugEvent >>>>>> event, v8::internal::Handle<v8::internal::JSObject> event_data, bool >>>>>> auto_continue) Line 1880C++ >>>>>> >>>>>> v8.dll!v8::internal::Debug::OnDebugBreak(v8::internal::Handle<v8::internal::Object> >>>>>> >>>>>> break_points_hit, bool auto_continue) Line 1818C++ >>>>>> v8.dll!v8::internal::Debug::Break(v8::internal::JavaScriptFrame * >>>>>> frame) Line 573C++ >>>>>> >>>>>> v8.dll!v8::internal::__RT_impl_Runtime_DebugBreak(v8::internal::Arguments >>>>>> >>>>>> args, v8::internal::Isolate * isolate) Line 35C++ >>>>>> v8.dll!v8::internal::Runtime_DebugBreak(int args_length, >>>>>> v8::internal::Object * * args_object, v8::internal::Isolate * isolate) >>>>>> Line 25 + 0xde bytesC++ >>>>>> >>>>>> Hope I am not too late for the reply. >>>>>> >>>>>> regards, >>>>>> Anoop R. S. >>>>>> >>>>>> --From Mail >>>>>> >>>>>>> Hi Anoop, >>>>>>> >>>>>>> Thanks for your reply and very sorry for the delay in my reply as I >>>>>>> was on vacation and did not get a chance to work on the inspector code. >>>>>>> >>>>>>> I fixed issue which was a silly mistake from my end as I was >>>>>>> allocating the agent variable on stack which go cleaned up once the >>>>>>> function returned. >>>>>>> >>>>>>> Now I could establish connection with the chrome-dev tools client >>>>>>> and communicate with the debug server. >>>>>>> I am facing an issue here. >>>>>>> i) It is not breaking on the first statement, even though I have >>>>>>> wait implemented >>>>>>> ii) I can now stop the execution using halt from the chrome-dev >>>>>>> tools. But If I do single-step or step out, the execution just >>>>>>> continues >>>>>>> (work as continue instead of single step) and again I have to press >>>>>>> halt on >>>>>>> chrome-dev tools to break the execution. >>>>>>> >>>>>>> If you can take a look at github.com/hsharsha/v8inspector, would >>>>>>> appreciate greatly. >>>>>>> >>>>>>> Thanks, >>>>>>> -Harsha >>>>>>> >>>>>>> On Thu, May 18, 2017 at 1:35 PM, Anoop R. S. wrote: >>>>>>> >>>>>>>> Hi Harsha, >>>>>>>> We also developed a debugging framework for JS using V8 inspector. >>>>>>>> While doing that, in between we were also getting this error, but >>>>>>>> resolved >>>>>>>> it by debugging our code. >>>>>>>> I can send you the websocket messages that we are getting. Maybe >>>>>>>> that would help in some way. >>>>>>>> I haven't run your code provided at [https://github.com/hsharsha/v >>>>>>>> 8inspector]. Maybe if you need further help, I can check it. >>>>>>>> >>>>>>>> >>>>>>>> {"id":1,"method":"Log.enable"} >>>>>>>> >>>>>>>> {"id":2,"method":"Log.startViolationsReport","params":{" >>>>>>>> config":[{"name":"longTask","threshold":200},{"name":" >>>>>>>> longLayout","threshold":30},{"name":"blockedEvent","threshol >>>>>>>> d":100},{"name":"blockedParser","threshold":-1},{"name":" >>>>>>>> handler","threshold":150},{"name":"recurringHandler","threshold": >>>>>>>> 50}]}} >>>>>>>> >>>>>>>> {"id":3,"method":"Network.enable","params":{"maxTotalBufferS >>>>>>>> ize":10000000,"maxResourceBufferSize":5000000}} >>>>>>>> >>>>>>>> {"id":4,"method":"Page.enable"} >>>>>>>> >>>>>>>> {"id":5,"method":"Page.getResourceTree"} >>>>>>>> >>>>>>>> {"id":6,"method":"Runtime.enable"} >>>>>>>> >>>>>>>> {"id":7,"method":"Debugger.enable"} >>>>>>>> >>>>>>>> {"id":8,"method":"Debugger.setPauseOnExceptions","params":{" >>>>>>>> state":"none"}} >>>>>>>> >>>>>>>> {"id":9,"method":"Debugger.setAsyncCallStackDepth","params": >>>>>>>> {"maxDepth":0}} >>>>>>>> >>>>>>>> {"id":10,"method":"DOM.enable"} >>>>>>>> >>>>>>>> {"id":11,"method":"CSS.enable"} >>>>>>>> >>>>>>>> {"id":12,"method":"Target.setAutoAttach","params":{"autoAtta >>>>>>>> ch":true,"waitForDebuggerOnStart":true}} >>>>>>>> >>>>>>>> {"id":13,"method":"Profiler.enable"} >>>>>>>> >>>>>>>> {"id":14,"method":"Profiler.setSamplingInterval","params":{" >>>>>>>> interval":100}} >>>>>>>> >>>>>>>> {"id":15,"method":"ServiceWorker.enable"} >>>>>>>> >>>>>>>> {"error":{"code":-32601,"message":"'Log.enable' wasn't >>>>>>>> found"},"id":1} >>>>>>>> >>>>>>>> {"error":{"code":-32601,"message":"'Log.startViolationsReport' >>>>>>>> wasn't found"},"id":2} >>>>>>>> >>>>>>>> {"error":{"code":-32601,"message":"'Network.enable' wasn't >>>>>>>> found"},"id":3} >>>>>>>> >>>>>>>> {"error":{"code":-32601,"message":"'Page.enable' wasn't >>>>>>>> found"},"id":4} >>>>>>>> >>>>>>>> {"error":{"code":-32601,"message":"'Page.getResourceTree' wasn't >>>>>>>> found"},"id":5} >>>>>>>> >>>>>>>> {"method":"Runtime.executionContextCreated","params":{" >>>>>>>> context":{"id":1,"origin":"","name":""}}} >>>>>>>> >>>>>>>> {"id":6,"result":{}} >>>>>>>> >>>>>>>> {"method":"Debugger.scriptParsed","params":{"scriptId":"22", >>>>>>>> "url":"my_Screen1","startLine":0,"startColumn":0,"endLine":19," >>>>>>>> endColumn":0,"executionContextId":1,"hash":"FF07566204EF >>>>>>>> 7A37E97781F777DD9282456E48B3","isLiveEdit":false," >>>>>>>> sourceMapURL":"","hasSourceURL":false}} >>>>>>>> >>>>>>>> {"id":22,"method":"Debugger.setBreakpointByUrl","params":{" >>>>>>>> lineNumber":13,"url":"my_Screen1","columnNumber":39,"conditi >>>>>>>> on":""}} >>>>>>>> >>>>>>>> {"id":7,"result":{}} >>>>>>>> >>>>>>>> {"id":8,"result":{}} >>>>>>>> >>>>>>>> {"id":9,"result":{}} >>>>>>>> >>>>>>>> {"error":{"code":-32601,"message":"'DOM.enable' wasn't >>>>>>>> found"},"id":10} >>>>>>>> >>>>>>>> {"error":{"code":-32601,"message":"'CSS.enable' wasn't >>>>>>>> found"},"id":11} >>>>>>>> >>>>>>>> {"error":{"code":-32601,"message":"'Target.setAutoAttach' wasn't >>>>>>>> found"},"id":12} >>>>>>>> >>>>>>>> {"id":13,"result":{}} >>>>>>>> >>>>>>>> {"id":14,"result":{}} >>>>>>>> >>>>>>>> {"error":{"code":-32601,"message":"'ServiceWorker.enable' wasn't >>>>>>>> found"},"id":15} >>>>>>>> >>>>>>>> {"id":16,"result":{}} >>>>>>>> >>>>>>>> {"error":{"code":-32601,"message":"'Page.setAutoAttachToCreatedPages' >>>>>>>> wasn't found"},"id":17} >>>>>>>> >>>>>>>> {"error":{"code":-32601,"message":"'Emulation.setScriptExecutionDisabled' >>>>>>>> >>>>>>>> wasn't found"},"id":18} >>>>>>>> >>>>>>>> {"error":{"code":-32601,"message":"'Rendering.setShowViewportSizeOnResize' >>>>>>>> >>>>>>>> wasn't found"},"id":19} >>>>>>>> >>>>>>>> {"error":{"code":-32601,"message":"'Inspector.enable' wasn't >>>>>>>> found"},"id":20} >>>>>>>> >>>>>>>> {"id":21,"result":{}} >>>>>>>> >>>>>>>> {"id":22,"result":{"breakpointId":"my_Screen1:13:39"," >>>>>>>> locations":[{"scriptId":"22","lineNumber":13,"columnNumber":39}]}} >>>>>>>> >>>>>>>> Please let me know if this is of any help for you. >>>>>>>> >>>>>>>> regards, >>>>>>>> Anoop R. S. >>>>>>>> >>>>>>>> On Monday, 8 May 2017 20:01:43 UTC+5:30, Harsha HS wrote: >>>>>>>>> >>>>>>>>> Hi, >>>>>>>>> I am trying to use chrome protocol with chrom-devtools in front >>>>>>>>> end. >>>>>>>>> I am not receiving any message from frontend after id:8 >>>>>>>>> >>>>>>>>> message {"id":1,"method":"Runtime.enable"} >>>>>>>>> message {"id":2,"method":"Debugger.enable"} >>>>>>>>> message {"id":3,"method":"Debugger.setPauseOnExceptions","params" >>>>>>>>> :{"state":"none"}} >>>>>>>>> message {"id":4,"method":"Debugger.setAsyncCallStackDepth"," >>>>>>>>> params":{"maxDepth":0}} >>>>>>>>> message {"id":5,"method":"Profiler.enable"} >>>>>>>>> message {"id":6,"method":"Profiler.setSamplingInterval","params": >>>>>>>>> {"interval":100}} >>>>>>>>> message {"id":7,"method":"Debugger.setBlackboxPatterns","params": >>>>>>>>> {"patterns":[]}} >>>>>>>>> message {"id":8,"method":"Runtime.runIfWaitingForDebugger"} >>>>>>>>> >>>>>>>>> For each of these messages, I am replying to frontend with {id:xx, >>>>>>>>> result:{}}. >>>>>>>>> >>>>>>>>> Code is at https://github.com/hsharsha/v8inspector >>>>>>>>> >>>>>>>>> -Harsha >>>>>>>>> >>>>>>>> … >>>>>>> >>>>>> >>>>>> On Thursday, 18 May 2017 13:35:15 UTC+5:30, Anoop R. S. wrote: >>>>>>> >>>>>>> Hi Harsha, >>>>>>> We also developed a debugging framework for JS using V8 inspector. >>>>>>> While doing that, in between we were also getting this error, but >>>>>>> resolved >>>>>>> it by debugging our code. >>>>>>> I can send you the websocket messages that we are getting. Maybe >>>>>>> that would help in some way. >>>>>>> I haven't run your code provided at [https://github.com/hsharsha/v >>>>>>> 8inspector]. Maybe if you need further help, I can check it. >>>>>>> >>>>>>> >>>>>>> {"id":1,"method":"Log.enable"} >>>>>>> >>>>>>> {"id":2,"method":"Log.startViolationsReport","params":{" >>>>>>> config":[{"name":"longTask","threshold":200},{"name":" >>>>>>> longLayout","threshold":30},{"name":"blockedEvent","threshol >>>>>>> d":100},{"name":"blockedParser","threshold":-1},{"name":" >>>>>>> handler","threshold":150},{"name":"recurringHandler","threshold": >>>>>>> 50}]}} >>>>>>> >>>>>>> {"id":3,"method":"Network.enable","params":{"maxTotalBufferS >>>>>>> ize":10000000,"maxResourceBufferSize":5000000}} >>>>>>> >>>>>>> {"id":4,"method":"Page.enable"} >>>>>>> >>>>>>> {"id":5,"method":"Page.getResourceTree"} >>>>>>> >>>>>>> {"id":6,"method":"Runtime.enable"} >>>>>>> >>>>>>> {"id":7,"method":"Debugger.enable"} >>>>>>> >>>>>>> {"id":8,"method":"Debugger.setPauseOnExceptions","params":{" >>>>>>> state":"none"}} >>>>>>> >>>>>>> {"id":9,"method":"Debugger.setAsyncCallStackDepth","params": >>>>>>> {"maxDepth":0}} >>>>>>> >>>>>>> {"id":10,"method":"DOM.enable"} >>>>>>> >>>>>>> {"id":11,"method":"CSS.enable"} >>>>>>> >>>>>>> {"id":12,"method":"Target.setAutoAttach","params":{"autoAtta >>>>>>> ch":true,"waitForDebuggerOnStart":true}} >>>>>>> >>>>>>> {"id":13,"method":"Profiler.enable"} >>>>>>> >>>>>>> {"id":14,"method":"Profiler.setSamplingInterval","params":{" >>>>>>> interval":100}} >>>>>>> >>>>>>> {"id":15,"method":"ServiceWorker.enable"} >>>>>>> >>>>>>> {"error":{"code":-32601,"message":"'Log.enable' wasn't >>>>>>> found"},"id":1} >>>>>>> >>>>>>> {"error":{"code":-32601,"message":"'Log.startViolationsReport' >>>>>>> wasn't found"},"id":2} >>>>>>> >>>>>>> {"error":{"code":-32601,"message":"'Network.enable' wasn't >>>>>>> found"},"id":3} >>>>>>> >>>>>>> {"error":{"code":-32601,"message":"'Page.enable' wasn't >>>>>>> found"},"id":4} >>>>>>> >>>>>>> {"error":{"code":-32601,"message":"'Page.getResourceTree' wasn't >>>>>>> found"},"id":5} >>>>>>> >>>>>>> {"method":"Runtime.executionContextCreated","params":{" >>>>>>> context":{"id":1,"origin":"","name":""}}} >>>>>>> >>>>>>> {"id":6,"result":{}} >>>>>>> >>>>>>> {"method":"D >>>>>>> >>>>>> -- -- v8-users mailing list [email protected] http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. 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