/* Copyright 2018 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#include "tensorflow/core/framework/kernel_def_util.h"
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#include "tensorflow/core/framework/attr_value.pb.h"
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#include "tensorflow/core/framework/attr_value_util.h"
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#include "tensorflow/core/framework/kernel_def.pb_text.h"
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#include "tensorflow/core/framework/node_def_util.h"
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#include "tensorflow/core/framework/types.h"
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namespace tensorflow {
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namespace {
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// Helper for KernelAttrsMatch().
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bool InTypeList(DataType dt, const AttrValue& type_list) {
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for (int in_list : type_list.list().type()) {
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if (dt == in_list) return true;
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}
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return false;
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}
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} // namespace
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Status KernelAttrsMatch(const KernelDef& kernel_def, AttrSlice attrs,
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bool* match) {
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*match = false;
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for (const auto& constraint : kernel_def.constraint()) {
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if (constraint.allowed_values().list().type_size() == 0) {
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return errors::Unimplemented(
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"KernelDef '", ProtoShortDebugString(kernel_def),
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" has constraint on attr '", constraint.name(),
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"' with unsupported type: ",
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SummarizeAttrValue(constraint.allowed_values()));
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}
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const AttrValue* found = attrs.Find(constraint.name());
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if (found) {
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if (found->type() != DT_INVALID) {
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if (!InTypeList(found->type(), constraint.allowed_values())) {
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return Status::OK();
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}
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} else {
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if (!AttrValueHasType(*found, "list(type)").ok()) {
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return errors::InvalidArgument(
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"KernelDef '", ProtoShortDebugString(kernel_def),
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"' has constraint on attr '", constraint.name(),
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"' that has value '", SummarizeAttrValue(*found),
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"' that does not have type 'type' or 'list(type)' in NodeDef "
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"'",
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attrs.SummarizeNode(), "'");
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}
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for (int t : found->list().type()) {
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if (!InTypeList(static_cast<DataType>(t),
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constraint.allowed_values())) {
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return Status::OK();
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}
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}
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}
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} else {
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return errors::InvalidArgument(
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"OpKernel '", kernel_def.op(), "' has constraint on attr '",
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constraint.name(), "' not in NodeDef '", attrs.SummarizeNode(),
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"', KernelDef: '", ProtoShortDebugString(kernel_def), "'");
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}
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}
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*match = true;
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return Status::OK();
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}
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} // namespace tensorflow
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