1 | /* Copyright 2017 The TensorFlow Authors. All Rights Reserved. |
2 | |
3 | Licensed under the Apache License, Version 2.0 (the "License"); |
4 | you may not use this file except in compliance with the License. |
5 | You may obtain a copy of the License at |
6 | |
7 | http://www.apache.org/licenses/LICENSE-2.0 |
8 | |
9 | Unless required by applicable law or agreed to in writing, software |
10 | distributed under the License is distributed on an "AS IS" BASIS, |
11 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | See the License for the specific language governing permissions and |
13 | limitations under the License. |
14 | ==============================================================================*/ |
15 | #ifndef TENSORFLOW_LITE_CORE_API_ERROR_REPORTER_H_ |
16 | #define TENSORFLOW_LITE_CORE_API_ERROR_REPORTER_H_ |
17 | |
18 | #include <cstdarg> |
19 | |
20 | namespace tflite { |
21 | |
22 | /// A functor that reports error to supporting system. Invoked similar to |
23 | /// printf. |
24 | /// |
25 | /// Usage: |
26 | /// ErrorReporter foo; |
27 | /// foo.Report("test %d", 5); |
28 | /// or |
29 | /// va_list args; |
30 | /// foo.Report("test %d", args); // where args is va_list |
31 | /// |
32 | /// Subclass ErrorReporter to provide another reporting destination. |
33 | /// For example, if you have a GUI program, you might redirect to a buffer |
34 | /// that drives a GUI error log box. |
35 | class ErrorReporter { |
36 | public: |
37 | virtual ~ErrorReporter() {} |
38 | virtual int Report(const char* format, va_list args) = 0; |
39 | int Report(const char* format, ...); |
40 | int ReportError(void*, const char* format, ...); |
41 | }; |
42 | |
43 | } // namespace tflite |
44 | |
45 | // You should not make bare calls to the error reporter, instead use the |
46 | // TF_LITE_REPORT_ERROR macro, since this allows message strings to be |
47 | // stripped when the binary size has to be optimized. If you are looking to |
48 | // reduce binary size, define TF_LITE_STRIP_ERROR_STRINGS when compiling and |
49 | // every call will be stubbed out, taking no memory. |
50 | #ifndef TF_LITE_STRIP_ERROR_STRINGS |
51 | #define TF_LITE_REPORT_ERROR(reporter, ...) \ |
52 | do { \ |
53 | static_cast<tflite::ErrorReporter*>(reporter)->Report(__VA_ARGS__); \ |
54 | } while (false) |
55 | #else // TF_LITE_STRIP_ERROR_STRINGS |
56 | #define TF_LITE_REPORT_ERROR(reporter, ...) |
57 | #endif // TF_LITE_STRIP_ERROR_STRINGS |
58 | |
59 | #endif // TENSORFLOW_LITE_CORE_API_ERROR_REPORTER_H_ |
60 | |