68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
/*
|
|
Copyright 2016 The TensorFlow Authors. All Rights Reserved.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package tensorflow
|
|
|
|
// #include "tensorflow/c/c_api.h"
|
|
import "C"
|
|
|
|
import "runtime"
|
|
|
|
type code C.TF_Code
|
|
|
|
// status holds error information returned by TensorFlow. We convert all
|
|
// TF statuses to Go errors.
|
|
type status struct {
|
|
c *C.TF_Status
|
|
}
|
|
|
|
func newStatus() *status {
|
|
s := &status{C.TF_NewStatus()}
|
|
runtime.SetFinalizer(s, (*status).finalizer)
|
|
return s
|
|
}
|
|
|
|
func (s *status) finalizer() {
|
|
C.TF_DeleteStatus(s.c)
|
|
}
|
|
|
|
func (s *status) Code() code {
|
|
return code(C.TF_GetCode(s.c))
|
|
}
|
|
|
|
func (s *status) String() string {
|
|
return C.GoString(C.TF_Message(s.c))
|
|
}
|
|
|
|
// Err converts the status to a Go error and returns nil if the status is OK.
|
|
func (s *status) Err() error {
|
|
if s == nil || s.Code() == C.TF_OK {
|
|
return nil
|
|
}
|
|
return (*statusError)(s)
|
|
}
|
|
|
|
// statusError is distinct from status because it fulfills the error interface.
|
|
// status itself may have a TF_OK code and is not always considered an error.
|
|
//
|
|
// TODO(jhseu): Make public, rename to Error, and provide a way for users to
|
|
// check status codes.
|
|
type statusError status
|
|
|
|
func (s *statusError) Error() string {
|
|
return (*status)(s).String()
|
|
}
|