Does just doing console.log('hello world') work when you directly write
that in the web console?If that works, you can debug this by finding your console.log in the emscripten output. Perhaps put an alert() right before it. Maybe somehow control flow isn't getting there? On Tue, Nov 3, 2015 at 9:41 AM, Robert Goulet <[email protected]> wrote: > No error reported. I am looking at the browser's web console, not the > stdout text area on the page. I did not disable any web console logging, > and also I'm guessing it wouldn't print anything if it was disabled? it > does appear when I use C++ printf. > > This is a build done with -O3, no debugging information, if that matters. > > On Tuesday, November 3, 2015 at 12:37:49 PM UTC-5, Alon Zakai wrote: >> >> Do you get an error? That works for me. For example, this prints out a >> stack trace: >> >> #include <emscripten.h> >> int main() { >> EM_ASM( >> console.log('Callstack:' + stackTrace()); >> ); >> } >> >> Are you looking in the stdout area on the page, or the browser's web >> console? Also, the web console has options to disable logging showing up, >> you might have those disabled? >> >> On Tue, Nov 3, 2015 at 7:45 AM, Robert Goulet <[email protected]> >> wrote: >> >>> I tried calling stackTrace and it didn't work. Is there special build >>> flags we need to pass to enable it? >>> >>> Here is what I tried: >>> >>> EM_ASM( >>> console.log('Callstack:' + stackTrace()); >>> ); >>> >>> When I call C++ printf I see stuff in the console. But using JS >>> console.log never prints anything. Why? >>> >>> >>> On Wednesday, October 21, 2015 at 4:58:29 PM UTC-4, Alon Zakai wrote: >>>> >>>> Yeah, emscripten has jsStackTrace() which returns the JS stack, and >>>> stackTrace() which does the same with c++ names demangled. >>>> >>>> On Wed, Oct 21, 2015 at 1:52 PM, Brion Vibber <[email protected]> wrote: >>>> >>>>> You should be able to get a call stack by throwing a JS exception; if >>>>> using sufficient debug or profiling options in your build you should get >>>>> useful function names out of that, which is a huge help even if the full >>>>> debugger is not attached. >>>>> >>>>> Should be pretty easy to attach a JS library function to do that. >>>>> >>>>> -- brion >>>>> >>>>> On Wed, Oct 21, 2015 at 1:48 PM, Robert Goulet <[email protected] >>>>> > wrote: >>>>> >>>>>> Is there any easier way to trace down code, even without checked >>>>>> variables content, just to see the callstack? >>>>>> >>>>>> On Wednesday, October 21, 2015 at 3:58:55 PM UTC-4, Alon Zakai wrote: >>>>>>> >>>>>>> In my experience very large projects are indeed hard to get running >>>>>>> in browser debuggers. They just haven't been optimized for that size >>>>>>> code >>>>>>> yet, I think. >>>>>>> >>>>>>> I do most of my debugging using dump(), which writes to stdout in >>>>>>> the console firefox was started from. (You need to set >>>>>>> browser.dom.window.dump.enabled in about:config for that to work.) Or >>>>>>> alert() when I want things to be paused. Or just console.log() when the >>>>>>> amount of output is small. >>>>>>> >>>>>>> On Wed, Oct 21, 2015 at 11:02 AM, Robert Goulet < >>>>>>> [email protected]> wrote: >>>>>>> >>>>>>>> Hi all, >>>>>>>> >>>>>>>> I'm trying to setup debugging in-browser, but it doesn't work for >>>>>>>> me, and I am wondering if it's just related to the size of my project? >>>>>>>> Does >>>>>>>> anyone successfully used breakpoints in code built with -g4 in Firefox >>>>>>>> Nightly? Everytime I add a breakpoint, it just freeze Firefox and I >>>>>>>> have to >>>>>>>> kill it. Please share your experience and tips. Thanks! >>>>>>>> >>>>>>>> -- >>>>>>>> You received this message because you are subscribed to the Google >>>>>>>> Groups "emscripten-discuss" 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/d/optout. >>>>>>>> >>>>>>> >>>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "emscripten-discuss" 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/d/optout. >>>>>> >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "emscripten-discuss" 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/d/optout. >>>>> >>>> >>>> -- >>> You received this message because you are subscribed to the Google >>> Groups "emscripten-discuss" 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/d/optout. >>> >> >> -- > You received this message because you are subscribed to the Google Groups > "emscripten-discuss" 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/d/optout. > -- You received this message because you are subscribed to the Google Groups "emscripten-discuss" group. 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