func (value *basicValue) check(f unsafe.Pointer) bool {
// put the reference on stack
C.js_getregistry(value.state.vm, value.ref)
defer C.js_pop(value.state.vm, 1)
// use the 'check' wrapper to call the validation function
return C.check(f, value.state.vm) == 1
}
// Set ...
func (state *JsState) Set(name string, value JsValue) {
property := C.CString(name)
defer C.free(unsafe.Pointer(property))
// push value
C.js_getregistry(state.vm, value.reference())
// set property
C.js_setglobal(state.vm, property)
}
// Call ...
func (callable *JsCallable) Call(args ...interface{}) (JsValue, JsError) {
// push function
C.js_getregistry(callable.state.vm, callable.ref)
// push the this value to be used by the function
C.js_pushundefined(callable.state.vm) // for now, just pushing undefined
// push the arguments
argsCount := 0
for _, arg := range args {
if arg == nil {
C.js_pushnull(callable.state.vm)
} else {
switch arg := arg.(type) {
case int:
C.js_pushnumber(callable.state.vm, C.double(arg))
case float64:
C.js_pushnumber(callable.state.vm, C.double(arg))
case bool:
value := 0
if arg {
value = 1
}
C.js_pushboolean(callable.state.vm, C.int(value))
case string:
value := C.CString(arg)
defer C.free(unsafe.Pointer(value))
C.js_pushstring(callable.state.vm, value)
}
}
argsCount++
}
// call the function
if rc := C.js_pcall(callable.state.vm, C.int(argsCount)); rc != 0 {
return nil, newJsError(callable.state)
}
// return the result
return newJsValue(callable.state), nil
}
// Bool ...
func (value *basicValue) Bool() bool {
C.js_getregistry(value.state.vm, value.ref)
defer C.js_pop(value.state.vm, 1)
return C.js_toboolean(value.state.vm, 0) == 1
}
// String ...
func (value *basicValue) String() string {
C.js_getregistry(value.state.vm, value.ref)
defer C.js_pop(value.state.vm, 1)
return C.GoString(C.js_tostring(value.state.vm, 0))
}
// Integer ...
func (value *basicValue) Integer() int {
C.js_getregistry(value.state.vm, value.ref)
defer C.js_pop(value.state.vm, 1)
return int(C.js_toint32(value.state.vm, 0))
}
// Float ...
func (value *basicValue) Float() float64 {
C.js_getregistry(value.state.vm, value.ref)
defer C.js_pop(value.state.vm, 1)
return float64(C.js_tonumber(value.state.vm, 0))
}