There is no direct way to get the function pointer from the function itself. That is, if bar was exported, you can call it but you don't know its index in the function table.
Options are to either export a function like you suggest, or to add an export of the index. On Wed, Apr 10, 2019 at 8:46 PM Brian Craft <[email protected]> wrote: > Should read "return bar" :-p > > On Wednesday, April 10, 2019 at 8:28:10 PM UTC-7, Brian Craft wrote: >> >> Is there a way to access a function pointer from javascript without >> writing a wasm method to retrieve it? >> >> E.g. if I've exported functions 'foo' and 'bar', and 'foo' takes 'bar' as >> an argument, how can I make the call from javascript? >> >> I can write another method that just returns the 'bar' pointer, something >> like >> >> typedef void (*voidfn)(); >> >> voidfn getBar() { >> return foo; >> } >> >> and make the call with >> >> Module._foo(Module._getBar()) >> >> My question is can I get the bar pointer from the exports without having >> to also write and export getBar()? >> >> -- > 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.
