1 | /* Copyright 2020 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 | |
16 | #include <vector> |
17 | |
18 | #include "tensorflow/c/eager/abstract_context.h" |
19 | #include "tensorflow/c/eager/abstract_tensor_handle.h" |
20 | #include "tensorflow/c/eager/c_api.h" |
21 | #include "tensorflow/c/eager/c_api_unified_experimental.h" |
22 | #include "tensorflow/c/eager/c_api_unified_experimental_internal.h" |
23 | #include "tensorflow/c/eager/immediate_execution_context.h" |
24 | #include "tensorflow/c/eager/immediate_execution_tensor_handle.h" |
25 | #include "tensorflow/c/eager/tfe_context_internal.h" |
26 | #include "tensorflow/c/eager/tfe_tensorhandle_internal.h" |
27 | #include "tensorflow/c/tf_status.h" |
28 | #include "tensorflow/core/lib/llvm_rtti/llvm_rtti.h" |
29 | #include "tensorflow/core/platform/strcat.h" |
30 | |
31 | // ============================================================================= |
32 | // Public C API entry points |
33 | // These are only the entry points specific to the Eager API. |
34 | // ============================================================================= |
35 | |
36 | using tensorflow::AbstractContext; |
37 | using tensorflow::AbstractTensorHandle; |
38 | using tensorflow::dyn_cast; |
39 | using tensorflow::ImmediateExecutionContext; |
40 | using tensorflow::ImmediateExecutionTensorHandle; |
41 | using tensorflow::string; |
42 | using tensorflow::unwrap; |
43 | using tensorflow::wrap; |
44 | using tensorflow::strings::StrCat; |
45 | |
46 | TF_ExecutionContext* TF_NewEagerExecutionContext(TFE_ContextOptions* options, |
47 | TF_Status* s) { |
48 | TFE_Context* c_ctx = TFE_NewContext(options, s); |
49 | if (TF_GetCode(s) != TF_OK) { |
50 | return nullptr; |
51 | } |
52 | return wrap(static_cast<AbstractContext*>(unwrap(c_ctx))); |
53 | } |
54 | |
55 | TF_AbstractTensor* TF_CreateAbstractTensorFromEagerTensor(TFE_TensorHandle* t, |
56 | TF_Status* s) { |
57 | return wrap(static_cast<AbstractTensorHandle*>(unwrap(t))); |
58 | } |
59 | |
60 | TFE_TensorHandle* TF_AbstractTensorGetEagerTensor(TF_AbstractTensor* at, |
61 | TF_Status* s) { |
62 | auto handle = dyn_cast<ImmediateExecutionTensorHandle>(unwrap(at)); |
63 | if (!handle) { |
64 | string msg = |
65 | StrCat("Not an eager tensor handle." , reinterpret_cast<uintptr_t>(at)); |
66 | TF_SetStatus(s, TF_INVALID_ARGUMENT, msg.c_str()); |
67 | return nullptr; |
68 | } |
69 | return wrap(handle); |
70 | } |
71 | |
72 | TFE_Context* TF_ExecutionContextGetTFEContext(TF_ExecutionContext* ctx, |
73 | TF_Status* s) { |
74 | auto imm_ctx = dyn_cast<ImmediateExecutionContext>(unwrap(ctx)); |
75 | if (!imm_ctx) { |
76 | string msg = |
77 | StrCat("Not an eager context." , reinterpret_cast<uintptr_t>(ctx)); |
78 | TF_SetStatus(s, TF_INVALID_ARGUMENT, msg.c_str()); |
79 | return nullptr; |
80 | } |
81 | return wrap(imm_ctx); |
82 | } |
83 | |