ir-traversal.h

/*
Copyright 2024-present Intel Corporation.
 
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.
*/
#ifndef IR_IR_TRAVERSAL_H_
#define IR_IR_TRAVERSAL_H_
#define IR_IR_TRAVERSAL_INTERNAL_ENABLE
 
#include <cstddef>
 
namespace P4::IR::Traversal {
 
template <typename T>
struct Assign {
    explicit Assign(const T &value) : value(value) {}
    T value;
};
 
struct Index {
    explicit Index(size_t value) : value(value) {}
    size_t value;
};
 
}  // namespace P4::IR::Traversal
 
// Put the internals out of the main file to increase its readability.
#include "ir-traversal-internal.h"
 
namespace P4::IR::Traversal {
 
template <typename Obj, typename... Selectors>
Obj *modify(Obj *obj, Selectors &&...selectors) {
    return Detail::Traverse::modify(obj, std::forward<Selectors>(selectors)...);
}
 
template <typename Obj, typename... Selectors>
Obj *apply(const Obj *obj, Selectors &&...selectors) {
    return Detail::Traverse::modify(obj->clone(), std::forward<Selectors>(selectors)...);
}
 
}  // namespace P4::IR::Traversal
 
#undef IR_IR_TRAVERSAL_INTERNAL_ENABLE
#endif  // IR_IR_TRAVERSAL_H_