Adds an Objective-C API to TensorFlow Lite experimental.

PiperOrigin-RevId: 216451263

1 files changed, 45 insertions, 0 deletions

diff --git a/tensorflow/contrib/lite/experimental/objc/sources/TFLErrorUtil.m b/tensorflow/contrib/lite/experimental/objc/sources/TFLErrorUtil.m
new file mode 100644
index 0000000000..756d69481c
--- /dev/null
+++ b/tensorflow/contrib/lite/experimental/objc/sources/TFLErrorUtil.m
@@ -0,0 +1,45 @@
+// Copyright 2018 Google Inc. 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.
+
+#import "TFLErrorUtil.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+/** Error domain of TensorFlow Lite interpreter related errors. */
+static NSString *const TFLInterpreterErrorDomain = @"org.tensorflow.lite.interpreter";
+
+@implementation TFLErrorUtil
+
+#pragma mark - Public
+
++ (NSError *)interpreterErrorWithCode:(TFLInterpreterErrorCode)code
+                          description:(NSString *)description {
+  return [NSError errorWithDomain:TFLInterpreterErrorDomain
+                             code:code
+                         userInfo:@{NSLocalizedDescriptionKey : description}];
+}
+
++ (void)saveInterpreterErrorWithCode:(TFLInterpreterErrorCode)code
+                         description:(NSString *)description
+                               error:(NSError **)error {
+  if (error) {
+    *error = [NSError errorWithDomain:TFLInterpreterErrorDomain
+                                 code:code
+                             userInfo:@{NSLocalizedDescriptionKey : description}];
+  }
+}
+
+@end
+
+NS_ASSUME_NONNULL_END