emsdk version is 1.39.2

On Tuesday, November 12, 2019 at 4:11:45 PM UTC+2, Sampo Syrjänen wrote:
>
> Hello! I have trouble getting addFunction to work with closure compiler 
> enabled. There's a minimal project here to reproduce the issue:
>
> // lib.c
> typedef int (*callback_t)(int a);
>
> int func(callback_t callback, int a)
> {
>     return callback(a);
> }
>
> // test.js
> const lib = require("./lib.js");
> setTimeout(() => {
>     const callback = (a) => {
>         return 40 + a;
>     };
>     const callbackPtr = lib.addFunction(callback, "ii");
>     console.log(lib._func(callbackPtr, 2));
> }, 100);
>
> # Makefile
> lib.js: lib.c
> emcc -s EXPORTED_FUNCTIONS="['_func']" -s 
> EXTRA_EXPORTED_RUNTIME_METHODS="['addFunction']" -s 
> RESERVED_FUNCTION_POINTERS=1 --closure 1 -o $@ $^
>
> .PHONY: clean
> clean:
> $(RM) lib.js lib.wasm
>
> test: lib.js
> node test.js
>
>
> With make test I get this:
>
> node test.js
> C:\work\closure\lib.js:28
>     throw b;
>     ^
>
> LinkError: WebAssembly.Instance(): Import #0 module="e" function="f" 
> error: function import requires a callable
>     at Object.a.addFunction (C:\work\closure\lib.js:629:10)
>     at Timeout._onTimeout (C:\work\closure\test.js:6:29)
> [90m    at listOnTimeout (internal/timers.js:531:17) [39m
> [90m    at processTimers (internal/timers.js:475:7) [39m
> gmake: *** [Makefile:9: test] Error 7
>
> What am I missing? How should I compile to make addFunction work?
>

-- 
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].
To view this discussion on the web visit 
https://groups.google.com/d/msgid/emscripten-discuss/7f93bf40-3bfe-42da-a01c-439f03c0a1b3%40googlegroups.com.

Reply via email to