1 //===-- TestModuleFileExtension.h - Module Extension Tester -----*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 #ifndef LLVM_CLANG_FRONTEND_TESTMODULEFILEEXTENSION_H 9 #define LLVM_CLANG_FRONTEND_TESTMODULEFILEEXTENSION_H 10 11 #include "clang/Serialization/ModuleFileExtension.h" 12 #include "clang/Basic/LLVM.h" 13 #include "llvm/ADT/StringRef.h" 14 #include "llvm/Bitstream/BitstreamReader.h" 15 #include <string> 16 17 namespace clang { 18 19 /// A module file extension used for testing purposes. 20 class TestModuleFileExtension : public ModuleFileExtension { 21 std::string BlockName; 22 unsigned MajorVersion; 23 unsigned MinorVersion; 24 bool Hashed; 25 std::string UserInfo; 26 27 class Writer : public ModuleFileExtensionWriter { 28 public: 29 Writer(ModuleFileExtension *Ext) : ModuleFileExtensionWriter(Ext) { } 30 ~Writer() override; 31 32 void writeExtensionContents(Sema &SemaRef, 33 llvm::BitstreamWriter &Stream) override; 34 }; 35 36 class Reader : public ModuleFileExtensionReader { 37 llvm::BitstreamCursor Stream; 38 39 public: 40 ~Reader() override; 41 42 Reader(ModuleFileExtension *Ext, const llvm::BitstreamCursor &InStream); 43 }; 44 45 public: 46 TestModuleFileExtension(StringRef BlockName, 47 unsigned MajorVersion, 48 unsigned MinorVersion, 49 bool Hashed, 50 StringRef UserInfo) 51 : BlockName(BlockName), 52 MajorVersion(MajorVersion), MinorVersion(MinorVersion), 53 Hashed(Hashed), UserInfo(UserInfo) { } 54 ~TestModuleFileExtension() override; 55 56 ModuleFileExtensionMetadata getExtensionMetadata() const override; 57 58 llvm::hash_code hashExtension(llvm::hash_code Code) const override; 59 60 std::unique_ptr<ModuleFileExtensionWriter> 61 createExtensionWriter(ASTWriter &Writer) override; 62 63 std::unique_ptr<ModuleFileExtensionReader> 64 createExtensionReader(const ModuleFileExtensionMetadata &Metadata, 65 ASTReader &Reader, serialization::ModuleFile &Mod, 66 const llvm::BitstreamCursor &Stream) override; 67 }; 68 69 } // end namespace clang 70 71 #endif // LLVM_CLANG_FRONTEND_TESTMODULEFILEEXTENSION_H 72