Esempio n. 1
0
func (v *V8Context) Eval(in string) (res interface{}, err error) {
	ptr := C.CString(in)
	defer C.free(unsafe.Pointer(ptr))
	ret := C.v8_execute(v.v8context, ptr)
	if ret != nil {
		out := C.GoString(ret)
		if out != "" {
			C.free(unsafe.Pointer(ret))
			if len(out) >= 14 && out[:9] == "function " && out[len(out)-1] == '}' {
				/*
					name := fmt.Sprintf("anonymous%v", &out)
					v.funcs[name] = func(args ...interface{}) (interface{}, error) {
						return (Function{v, out}).Call(args...)
					}
					return v.funcs[name], nil
				*/
				return Function{v, out}, nil
			} else if len(out) >= 2 && out[0] == '/' && out[len(out)-1] == '/' {
				res, err = regexp.Compile(jsregexp.Translate(out))
			} else {
				var buf bytes.Buffer
				buf.Write([]byte(out))
				dec := json.NewDecoder(&buf)
				err = dec.Decode(&res)
			}
			return
		}
		return nil, nil
	}
	ret = C.v8_error(v.v8context)
	out := C.GoString(ret)
	C.free(unsafe.Pointer(ret))
	return nil, errors.New(out)
}
Esempio n. 2
0
func (v *V8Context) Eval(in string) (res interface{}, err error) {
	ptr := C.CString(in)
	defer C.free(unsafe.Pointer(ptr))
	ret := C.v8_execute(v.v8context, ptr)
	if ret != nil {
		out := C.GoString(ret)
		if out != "" {
			C.free(unsafe.Pointer(ret))
			var buf bytes.Buffer
			buf.Write([]byte(out))
			dec := json.NewDecoder(&buf)
			err = dec.Decode(&res)
			return
		}
		return nil, nil
	}
	ret = C.v8_error(v.v8context)
	out := C.GoString(ret)
	C.free(unsafe.Pointer(ret))
	return nil, errors.New(out)
}