For temporary debugging purposes, it's probably better if it _does_ break validation, because asm.js code doesn't show in the call stack, making tracing the failure hard. :)
Sent from my iPhone > On Mar 5, 2014, at 1:31 PM, Alon Zakai <[email protected]> wrote: > > I implemented emscripten_debugger() with one function call, so it is closer. > Emitting it directly in the code will take some checking to make sure it does > not break asm validation, I'll try to do that later. > > - Alon > > > >> On Wed, Mar 5, 2014 at 11:49 AM, Chad Austin <[email protected]> wrote: >>> On Wed, Mar 5, 2014 at 11:22 AM, Alon Zakai <[email protected]> wrote: >>> asm() has some odd behavior of how escaping and so forth works - it's >>> designed for typical inline assembly, not JS. EM_ASM is in practice easier >>> to use for that reason. >> >> Ah, interesting. >> >>> Also, expanding the code inline can break asm.js validation - it's >>> arbitrary JS - so we expand it outline. >>> >>> I guess there might be a use case for actually expanding inline though, for >>> things like `debugger;`. But, perhaps we should just add an intrinsic >>> emscripten_debugger() that you would call. Is there anything aside from >>> `debugger;` like this? >> >> debugger; is the only use case I've had for asm() so far! I like the idea >> of emscripten_debugger(); >> >>> >>> - Alon >>> >>> >>> >>>> On Tue, Mar 4, 2014 at 11:55 PM, Chad Austin <[email protected]> wrote: >>>> I'm playing with fastcomp to see what it would take to get a few embind >>>> demos running in asm.js. >>>> >>>> It was pretty convenient to put asm("debugger"); in Emscripten output, but >>>> now asm() doesn't work. You have to use EM_ASM, which breaks into the >>>> debugger a couple entries down in the stack, which is just a bit less >>>> convenient. >>>> >>>> Is there a particular reason why? >>>> >>>> -- >>>> Chad Austin >>>> Technical Director, IMVU >>>> http://engineering.imvu.com >>>> http://chadaustin.me >>>> >>>> >>>> -- >>>> 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/groups/opt_out. >>> >>> -- >>> 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/groups/opt_out. >> >> >> >> >> -- >> Chad Austin >> Technical Director, IMVU >> http://engineering.imvu.com >> http://chadaustin.me >> >> >> -- >> 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/groups/opt_out. > > -- > 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/groups/opt_out. -- 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/groups/opt_out.
