1 /* Copyright 2018 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 "tensorflow/core/framework/kernel_def_util.h"
17
18 #include "tensorflow/core/framework/attr_value.pb.h"
19 #include "tensorflow/core/framework/attr_value_util.h"
20 #include "tensorflow/core/framework/kernel_def.pb.h"
21 #include "tensorflow/core/framework/node_def_util.h"
22 #include "tensorflow/core/framework/types.h"
23
24 namespace tensorflow {
25
26 namespace {
27 // Helper for KernelAttrsMatch().
InTypeList(DataType dt,const AttrValue & type_list)28 bool InTypeList(DataType dt, const AttrValue& type_list) {
29 for (int in_list : type_list.list().type()) {
30 if (dt == in_list) return true;
31 }
32 return false;
33 }
34 } // namespace
35
KernelAttrsMatch(const KernelDef & kernel_def,AttrSlice attrs,bool * match)36 Status KernelAttrsMatch(const KernelDef& kernel_def, AttrSlice attrs,
37 bool* match) {
38 *match = false;
39 for (const auto& constraint : kernel_def.constraint()) {
40 auto constraint_value_case = AttrValue::VALUE_NOT_SET;
41 int value_type_num = 0;
42 if (constraint.allowed_values().list().type_size() > 0) {
43 constraint_value_case = AttrValue::kType;
44 value_type_num++;
45 }
46 if (constraint.allowed_values().list().s_size() > 0) {
47 constraint_value_case = AttrValue::kS;
48 value_type_num++;
49 }
50 if (constraint.allowed_values().list().i_size() > 0) {
51 constraint_value_case = AttrValue::kI;
52 value_type_num++;
53 }
54 if (constraint.allowed_values().list().b_size() > 0) {
55 constraint_value_case = AttrValue::kB;
56 value_type_num++;
57 }
58
59 if (value_type_num == 0) {
60 return errors::Unimplemented(
61 "KernelDef '", kernel_def.ShortDebugString(),
62 " has constraint on attr '", constraint.name(),
63 "' with unsupported type: ",
64 SummarizeAttrValue(constraint.allowed_values()));
65 }
66 if (value_type_num > 1) {
67 return errors::InvalidArgument(
68 "KernelDef '", kernel_def.ShortDebugString(),
69 " has constraint on attr '", constraint.name(),
70 "' with more than one value type: ",
71 SummarizeAttrValue(constraint.allowed_values()));
72 }
73
74 const AttrValue* attr_value = attrs.Find(constraint.name());
75 if (attr_value == nullptr) {
76 return errors::InvalidArgument(
77 "OpKernel '", kernel_def.op(), "' has constraint on attr '",
78 constraint.name(), "' not in NodeDef '", attrs.SummarizeNode(),
79 "', KernelDef: '", kernel_def.ShortDebugString(), "'");
80 }
81
82 #define RETURN_IF_ATTR_NOT_FOUND(n, oneof_case, type_str) \
83 do { \
84 if (constraint_value_case == AttrValue::oneof_case) { \
85 Status s = AttrValueHasType(*attr_value, type_str); \
86 if (!s.ok()) { \
87 return errors::InvalidArgument( \
88 "KernelDef '", kernel_def.ShortDebugString(), \
89 "' has constraint on attr '", constraint.name(), \
90 "' that has value '", SummarizeAttrValue(*attr_value), \
91 "' that does not have the same type in NodeDef " \
92 "'", \
93 attrs.SummarizeNode(), "'"); \
94 } \
95 bool found = false; \
96 for (auto& value : constraint.allowed_values().list().n()) { \
97 if (value == attr_value->n()) { \
98 found = true; \
99 break; \
100 } \
101 } \
102 if (!found) { \
103 return Status::OK(); \
104 } \
105 } \
106 } while (false)
107
108 RETURN_IF_ATTR_NOT_FOUND(s, kS, "string");
109 RETURN_IF_ATTR_NOT_FOUND(i, kI, "int");
110 RETURN_IF_ATTR_NOT_FOUND(b, kB, "bool");
111
112 #undef RETURN_IF_ATTR_NOT_FOUND
113
114 if (constraint_value_case != AttrValue::kType) {
115 continue;
116 }
117
118 if (attr_value->type() != DT_INVALID) {
119 if (!InTypeList(attr_value->type(), constraint.allowed_values())) {
120 return Status::OK();
121 }
122 } else {
123 if (!AttrValueHasType(*attr_value, "list(type)").ok()) {
124 return errors::InvalidArgument(
125 "KernelDef '", kernel_def.ShortDebugString(),
126 "' has constraint on attr '", constraint.name(),
127 "' that has value '", SummarizeAttrValue(*attr_value),
128 "' that does not have type 'type' or 'list(type)' in NodeDef "
129 "'",
130 attrs.SummarizeNode(), "'");
131 }
132
133 for (int t : attr_value->list().type()) {
134 if (!InTypeList(static_cast<DataType>(t),
135 constraint.allowed_values())) {
136 return Status::OK();
137 }
138 }
139 }
140 }
141 *match = true;
142 return Status::OK();
143 }
144
145 } // namespace tensorflow
146