| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // -*- mode: C++ -*- |
| // |
| // Copyright 2022 Google LLC |
| // |
| // Licensed under the Apache License v2.0 with LLVM Exceptions (the |
| // "License"); you may not use this file except in compliance with the |
| // License. You may obtain a copy of the License at |
| // |
| // https://llvm.org/LICENSE.txt |
| // |
| // 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. |
| // |
| // Author: Siddharth Nayyar |
| |
| #ifndef STG_STABLE_HASH_H_ |
| #define STG_STABLE_HASH_H_ |
| |
| #include <cstdint> |
| #include <iostream> |
| #include <unordered_map> |
| #include <vector> |
| |
| #include "graph.h" |
| #include "hashing.h" |
| |
| namespace stg { |
| |
| class StableHash { |
| public: |
| explicit StableHash(const Graph& graph) : graph_(graph) {} |
| |
| HashValue operator()(Id); |
| HashValue operator()(const Special&); |
| HashValue operator()(const PointerReference&); |
| HashValue operator()(const PointerToMember&); |
| HashValue operator()(const Typedef&); |
| HashValue operator()(const Qualified&); |
| HashValue operator()(const Primitive&); |
| HashValue operator()(const Array&); |
| HashValue operator()(const BaseClass&); |
| HashValue operator()(const Method&); |
| HashValue operator()(const Member&); |
| HashValue operator()(const StructUnion&); |
| HashValue operator()(const Enumeration&); |
| HashValue operator()(const Function&); |
| HashValue operator()(const ElfSymbol&); |
| HashValue operator()(const Interface&); |
| |
| private: |
| const Graph& graph_; |
| std::unordered_map<Id, HashValue> cache_; |
| |
| // Function object: (Args...) -> HashValue |
| Hash hash_; |
| }; |
| |
| } // namespace stg |
| |
| #endif // STG_STABLE_HASH_H_ |