Exemplo n.º 1
0
func (ir *Interpreter) tclObjToGoValue(obj *C.Tcl_Obj, typ reflect.Type) (reflect.Value, C.int) {
	var status C.int
	v := reflect.New(typ).Elem()

	switch typ.Kind() {
	case reflect.Int:
		var out C.Tcl_WideInt
		status = C.Tcl_GetWideIntFromObj(ir.C, obj, &out)
		if status == C.TCL_OK {
			v.SetInt(int64(out))
		}
	case reflect.String:
		v.SetString(C.GoString(C.Tcl_GetString(obj)))
	case reflect.Float32, reflect.Float64:
		var out C.double
		status = C.Tcl_GetDoubleFromObj(ir.C, obj, &out)
		if status == C.TCL_OK {
			v.SetFloat(float64(out))
		}
	default:
		msg := C.CString(fmt.Sprintf("Cannot convert Tcl object to Go type: %s", typ))
		C._gotk_c_tcl_set_result(ir.C, msg)
		status = C.TCL_ERROR
	}
	return v, status
}
Exemplo n.º 2
0
func (ir *interpreter) tcl_obj_to_go_value(obj *C.Tcl_Obj, v reflect.Value) error {
	var status C.int

	switch v.Kind() {
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		var out C.Tcl_WideInt
		status = C.Tcl_GetWideIntFromObj(ir.C, obj, &out)
		if status == C.TCL_OK {
			v.SetInt(int64(out))
		}
	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
		var out C.Tcl_WideInt
		status = C.Tcl_GetWideIntFromObj(ir.C, obj, &out)
		if status == C.TCL_OK {
			v.SetUint(uint64(out))
		}
	case reflect.String:
		var n C.int
		out := C.Tcl_GetStringFromObj(obj, &n)
		v.SetString(C.GoStringN(out, n))
	case reflect.Float32, reflect.Float64:
		var out C.double
		status = C.Tcl_GetDoubleFromObj(ir.C, obj, &out)
		if status == C.TCL_OK {
			v.SetFloat(float64(out))
		}
	case reflect.Bool:
		var out C.int
		status = C.Tcl_GetBooleanFromObj(ir.C, obj, &out)
		if status == C.TCL_OK {
			v.SetBool(out == 1)
		}
	default:
		return fmt.Errorf("gothic: cannot convert TCL object to Go type: %s", v.Type())
	}

	if status != C.TCL_OK {
		return errors.New(C.GoString(C.Tcl_GetStringResult(ir.C)))
	}
	return nil
}