1 // Copyright (C) 2016 The Android Open Source Project
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 #ifndef ABI_DIFF_WRAPPERS_H
16 #define ABI_DIFF_WRAPPERS_H
17
18 #pragma clang diagnostic push
19 #pragma clang diagnostic ignored "-Wunused-parameter"
20 #pragma clang diagnostic ignored "-Wnested-anon-types"
21 #include "proto/abi_dump.pb.h"
22 #include "proto/abi_diff.pb.h"
23 #pragma clang diagnostic pop
24
25 namespace abi_diff_wrappers {
26
27 template <typename T>
IgnoreSymbol(const T * element,const std::set<std::string> & ignored_symbols)28 static bool IgnoreSymbol(const T *element,
29 const std::set<std::string> &ignored_symbols) {
30 return ignored_symbols.find(element->basic_abi().linker_set_key()) !=
31 ignored_symbols.end();
32 }
33
34 template <typename T, typename TDiff>
35 class DiffWrapperBase {
36 public:
37 virtual std::unique_ptr<TDiff> Get() = 0 ;
38 protected:
DiffWrapperBase(const T * oldp,const T * newp)39 DiffWrapperBase(const T *oldp, const T *newp) : oldp_(oldp), newp_(newp) { }
40 template <typename Element, typename ElementDiff>
41 bool GetElementDiffs(
42 google::protobuf::RepeatedPtrField<ElementDiff> *dst,
43 const google::protobuf::RepeatedPtrField<Element> &old_elements,
44 const google::protobuf::RepeatedPtrField<Element> &new_elements);
45
46 private:
47 template <typename Element, typename ElementDiff>
48 void GetExtraElementDiffs(
49 google::protobuf::RepeatedPtrField<ElementDiff> *dst, int i, int j,
50 const google::protobuf::RepeatedPtrField<Element> &old_elements,
51 const google::protobuf::RepeatedPtrField<Element> &new_elements);
52
53 protected:
54 const T *oldp_;
55 const T *newp_;
56 };
57
58 template <typename T, typename TDiff>
59 class DiffWrapper : public DiffWrapperBase<T, TDiff> {
60 public:
DiffWrapper(const T * oldp,const T * newp)61 DiffWrapper(const T *oldp, const T *newp)
62 : DiffWrapperBase<T, TDiff>(oldp, newp) { }
63 std::unique_ptr<TDiff> Get() override;
64 };
65
66 } // abi_diff_wrappers
67
68 #endif // ABI_DIFF_WRAPPERS_H
69