And on the reslut(#9 -> #1 -> #2 -> #3 -> #4), I will also want to know the time the line is executed.
Thanks! On Wed, Mar 20, 2013 at 1:43 PM, MMTY <[email protected]> wrote: > Hi Honza > > Thank you for your reply. > > Look at this example: > > #1 function callMe(){ > #2 if(true){ > #3 var a = 1; > #4 var b = 2; > #5 }else{ > #6 var c = 10; > #7 } > #8 } > #9 callMe(); > > I want to develop a extension for firebug to add some debugging > functionality that can give the execution trace in order, so the result > will look like this: > #9 -> #1 -> #2 -> #3 -> #4 > > I looked through the firebug code and the JSD component. > The getLineOffsets() only check if the line is valid for execution. > A way to approach this is to set breakpoints on all lines and keep > resuming the JS. So when the breakpoints are reached, the JSD > setbreakpointHook can tell the frame info. However, it is quite slow > and unpractical. > > Any thoughts? Thank you! > > > On Wed, Mar 20, 2013 at 12:44 AM, Jan Honza Odvarko <[email protected]>wrote: > >> >> On Mar 19, 7:34 pm, MMTY <[email protected]> wrote: >> > Thank you. Is it possible to get the line execution trace in >> > order? >> What do you mean by order? >> >> > getLineOffsets() is just used to tell whether the line is executed >> > or not. >> Note that it should say whether the line is "executable" (not >> executed) >> >> Honza >> >> >> > >> > Thanks >> > >> > On Fri, Mar 15, 2013 at 8:05 AM, Jan Honza Odvarko <[email protected] >> >wrote: >> > >> > >> > >> > >> > >> > >> > >> > > Firebug is currently using JSD (jsdIDebuggerService) to figure out, >> > > which line >> > > is executable. However, the plan is to switch to JSD2 (work in >> > > progress) >> > >https://wiki.mozilla.org/Debugger >> > >> > > You should also base your extension on JSD2 >> > >> > > Look for getLineOffsets(line) and getOffsetLine(offset) in the >> > > Debugger document. >> > > I didn't test it, but I think that if getLineOffset returns null, the >> > > line is not executable. >> > >> > > Honza >> > >> > > On Mar 15, 9:17 am, SK <[email protected]> wrote: >> > > > I want to know how to access JavaScript execution trace at runtime. >> I saw >> > > > Firebug can do something like this: >> > >> > > > [image: enter image description here] >> > >> > > > Refer to the image above, all the line numbers executed are >> highlighted >> > > in >> > > > green. They are achieved at runtime. I guess there must be some way >> to >> > > > access those info from the JavaScript engine used by the browser. >> > >> > > > Say now I want to build a firebug plugin to access those info and >> examine >> > > > all the variables in each executed line at the runtime, how should >> I do? >> > >> > > > Thank you! >> > >> > > -- >> > > -- >> > > You received this message because you are subscribed to the Google >> > > Groups "Firebug" group. >> > > To post to this group, send email to [email protected] >> > > To unsubscribe from this group, send email to >> > > [email protected] >> > > For more options, visit this group at >> > >https://groups.google.com/forum/#!forum/firebug >> > >> > > --- >> > > You received this message because you are subscribed to a topic in the >> > > Google Groups "Firebug" group. >> > > To unsubscribe from this topic, visit >> > > >> https://groups.google.com/d/topic/firebug/MQJCrYSwT9k/unsubscribe?hl=en. >> > > To unsubscribe from this group and all its topics, send an email to >> > > [email protected]. >> > > For more options, visithttps://groups.google.com/groups/opt_out. >> >> -- >> -- >> You received this message because you are subscribed to the Google >> Groups "Firebug" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to >> [email protected] >> For more options, visit this group at >> https://groups.google.com/forum/#!forum/firebug >> >> --- >> You received this message because you are subscribed to a topic in the >> Google Groups "Firebug" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/firebug/MQJCrYSwT9k/unsubscribe?hl=en. >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > -- -- You received this message because you are subscribed to the Google Groups "Firebug" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at https://groups.google.com/forum/#!forum/firebug --- You received this message because you are subscribed to the Google Groups "Firebug" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
