1/* Copyright 2018 The TensorFlow Authors. All Rights Reserved.
2
3Licensed under the Apache License, Version 2.0 (the "License");
4you may not use this file except in compliance with the License.
5You may obtain a copy of the License at
6
7 http://www.apache.org/licenses/LICENSE-2.0
8
9Unless required by applicable law or agreed to in writing, software
10distributed under the License is distributed on an "AS IS" BASIS,
11WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12See the License for the specific language governing permissions and
13limitations 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
24namespace tensorflow {
25
26namespace {
27// Helper for KernelAttrsMatch().
28bool 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
36Status 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 OkStatus(); \
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 OkStatus();
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 OkStatus();
137 }
138 }
139 }
140 }
141 *match = true;
142 return OkStatus();
143}
144
145} // namespace tensorflow
146