Are you sure it's so simple?
Calling this from C++ does not work properly:
TestStruct* testPtr = reinterpret_cast<TestStruct*>(
emscripten_run_script_int("new Module.TestStruct(2.2);") );
while I can create TestStructs with the same constructor fine from
within JavaScript (and emscripten_run_script_int works if I am actually
returning an int)
note:
struct TestStruct {
double a;
TestStruct(double x) : a(x) {}
};
EMSCRIPTEN_BINDINGS(my_module) {
emscripten::class_<TestStruct>("TestStruct")
.constructor<float>()
.property("a", &TestStruct::a);
}
Thanks,
Josh
On 12/09/2015 06:54 PM, Brion Vibber wrote:
Simply return the pointer from the function with the 'return'
statement, like any other function return value. Remember that
pointers are just integers.
-- brion
On Dec 9, 2015 6:13 AM, "Josh A" <[email protected]
<mailto:[email protected]>> wrote:
Hi all,
This seems like it should be really straight forward, but I can't
find an example of this.
I am trying to expose some scripting on my software:
With embind I expose an Interface that should be implemented by
javascript. This works fine.
Now I want to call some code that takes a provided js
implementation of the interface, instatiates it and returns a
pointer to C++ of the created object. I can do the js call fine
and everything works, but I can't seem to find how to get the
pointer from the js back to the C++, either using an
emscripten_run_script variant or using embind vars or some other
method.
I have tried searching, reading through docs and looking at the
test code, but still can't find an example of this. Can someone
please point me to the right place?
Thanks++
Josh
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Dr. Joshua E. Auerbach
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Laboratory of Intelligent Systems
École Polytechnique Fédérale de Lausanne
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