Method: Mustang::V8::Function#call_on

Defined in:
ext/v8/v8_function.cpp

#call_on(recv, *args) ⇒ Object

Executes function with given arguments on specified receiver. When function code is broken then proper JavaScript error will be returned.



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# File 'ext/v8/v8_function.cpp', line 95

static VALUE rb_v8_function_call_on(int argc, VALUE *argv, VALUE self)
{
  HandleScope scope;
  TryCatch try_catch;

  if (argc < 1) {
    rb_raise(rb_eArgError, "wrong number of arguments (%d for 1)", FIX2INT(argc));
    return Qnil;
  }
  
  VALUE recv = argv[0];
  
  Handle<Object> this_obj =
    NIL_P(recv) ? Context::GetEntered()->Global() :
    unwrap(recv)->ToObject();
  
  Handle<Value> args[argc-1];
  
  for (int i = 1; i < argc; i++) {
    args[i-1] = to_v8(argv[i]);
  }
  
  Handle<Value> result = unwrap(self)->Call(this_obj, argc-1, args);

  if (try_catch.HasCaught()) {
    return rb_v8_error_new3(try_catch);
  } else {
    return to_ruby(result);
  }
}