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 18 C++ >> 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 519 C++ >> v8.dll!v8_inspector::V8Debugger::handleV8DebugEvent(const >> v8::DebugInterface::EventDetails & eventDetails) Line 620 C++ >> v8.dll!v8_inspector::V8Debugger::v8DebugEventCallback(const >> v8::DebugInterface::EventDetails & eventDetails) Line 540 C++ >> 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 1903 C++ >> v8.dll!v8::internal::Debug::ProcessDebugEvent(v8::DebugEvent event, >> v8::internal::Handle<v8::internal::JSObject> event_data, bool >> auto_continue) Line 1880 C++ >> >> v8.dll!v8::internal::Debug::OnDebugBreak(v8::internal::Handle<v8::internal::Object> >> >> break_points_hit, bool auto_continue) Line 1818 C++ >> v8.dll!v8::internal::Debug::Break(v8::internal::JavaScriptFrame * >> frame) Line 573 C++ >> v8.dll!v8::internal::__RT_impl_Runtime_DebugBreak(v8::internal::Arguments >> args, v8::internal::Isolate * isolate) Line 35 C++ >> v8.dll!v8::internal::Runtime_DebugBreak(int args_length, >> v8::internal::Object * * args_object, v8::internal::Isolate * isolate) >> Line 25 + 0xde bytes C++ >> >> 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/v8inspector]. 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","threshold":100},{"name":"blockedParser","threshold":-1},{"name":"handler","threshold":150},{"name":"recurringHandler","threshold":50}]}} >>>> >>>> >>>> {"id":3,"method":"Network.enable","params":{"maxTotalBufferSize":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":{"autoAttach":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":"FF07566204EF7A37E97781F777DD9282456E48B3","isLiveEdit":false,"sourceMapURL":"","hasSourceURL":false}} >>>> >>>> >>>> {"id":22,"method":"Debugger.setBreakpointByUrl","params":{"lineNumber":13,"url":"my_Screen1","columnNumber":39,"condition":""}} >>>> >>>> {"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/v8inspector]. 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","threshold":100},{"name":"blockedParser","threshold":-1},{"name":"handler","threshold":150},{"name":"recurringHandler","threshold":50}]}} >>> >>> >>> {"id":3,"method":"Network.enable","params":{"maxTotalBufferSize":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":{"autoAttach":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":"FF07566204EF7A37E97781F777DD9282456E48B3","isLiveEdit":false,"sourceMapURL":"","hasSourceURL":false}} >>> >>> >>> {"id":22,"method":"Debugger.setBreakpointByUrl","params":{"lineNumber":13,"url":"my_Screen1","columnNumber":39,"condition":""}} >>> >>> {"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 >>>> >>> -- -- 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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