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      1 // Copyright (C) 2019 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 HEADER_CHECKER_REPR_PROTOBUF_IR_READER_H_
     16 #define HEADER_CHECKER_REPR_PROTOBUF_IR_READER_H_
     17 
     18 #include "repr/ir_reader.h"
     19 #include "repr/protobuf/abi_diff.h"
     20 #include "repr/protobuf/abi_dump.h"
     21 
     22 #include <set>
     23 #include <string>
     24 #include <vector>
     25 
     26 #include <google/protobuf/text_format.h>
     27 #include <google/protobuf/io/zero_copy_stream_impl.h>
     28 
     29 
     30 namespace header_checker {
     31 namespace repr {
     32 
     33 
     34 class ProtobufIRReader : public IRReader {
     35  private:
     36   template <typename T>
     37   using RepeatedPtrField = google::protobuf::RepeatedPtrField<T>;
     38 
     39 
     40  public:
     41   ProtobufIRReader(const std::set<std::string> *exported_headers)
     42       : IRReader(exported_headers) {}
     43 
     44 
     45   bool ReadDump(const std::string &dump_file) override;
     46 
     47 
     48  private:
     49   void ReadFunctions(const abi_dump::TranslationUnit &tu);
     50 
     51   void ReadGlobalVariables(const abi_dump::TranslationUnit &tu);
     52 
     53   void ReadEnumTypes(const abi_dump::TranslationUnit &tu);
     54 
     55   void ReadRecordTypes(const abi_dump::TranslationUnit &tu);
     56 
     57   void ReadFunctionTypes(const abi_dump::TranslationUnit &tu);
     58 
     59   void ReadPointerTypes(const abi_dump::TranslationUnit &tu);
     60 
     61   void ReadBuiltinTypes(const abi_dump::TranslationUnit &tu);
     62 
     63   void ReadQualifiedTypes(const abi_dump::TranslationUnit &tu);
     64 
     65   void ReadArrayTypes(const abi_dump::TranslationUnit &tu);
     66 
     67   void ReadLvalueReferenceTypes(const abi_dump::TranslationUnit &tu);
     68 
     69   void ReadRvalueReferenceTypes(const abi_dump::TranslationUnit &tu);
     70 
     71   void ReadElfFunctions(const abi_dump::TranslationUnit &tu);
     72 
     73   void ReadElfObjects(const abi_dump::TranslationUnit &tu);
     74 
     75   void ReadTypeInfo(const abi_dump::BasicNamedAndTypedDecl &type_info,
     76                     TypeIR *typep);
     77 
     78   FunctionIR FunctionProtobufToIR(const abi_dump::FunctionDecl &);
     79 
     80   FunctionTypeIR FunctionTypeProtobufToIR(
     81       const abi_dump::FunctionType &function_type_protobuf);
     82 
     83   RecordTypeIR RecordTypeProtobufToIR(
     84       const abi_dump::RecordType &record_type_protobuf);
     85 
     86   std::vector<RecordFieldIR> RecordFieldsProtobufToIR(
     87       const RepeatedPtrField<abi_dump::RecordFieldDecl> &rfp);
     88 
     89   std::vector<CXXBaseSpecifierIR> RecordCXXBaseSpecifiersProtobufToIR(
     90       const RepeatedPtrField<abi_dump::CXXBaseSpecifier> &rbs);
     91 
     92   std::vector<EnumFieldIR> EnumFieldsProtobufToIR(
     93       const RepeatedPtrField<abi_dump::EnumFieldDecl> &efp);
     94 
     95   EnumTypeIR EnumTypeProtobufToIR(
     96       const abi_dump::EnumType &enum_type_protobuf);
     97 
     98   VTableLayoutIR VTableLayoutProtobufToIR(
     99       const abi_dump::VTableLayout &vtable_layout_protobuf);
    100 
    101   TemplateInfoIR TemplateInfoProtobufToIR(
    102       const abi_dump::TemplateInfo &template_info_protobuf);
    103 };
    104 
    105 
    106 }  // namespace repr
    107 }  // namespace header_checker
    108 
    109 
    110 #endif  // HEADER_CHECKER_REPR_PROTOBUF_IR_READER_H_
    111