xref: /openbsd-src/gnu/llvm/clang/lib/Frontend/TestModuleFileExtension.h (revision 12c855180aad702bbcca06e0398d774beeafb155)
1e5dd7070Spatrick //===-- TestModuleFileExtension.h - Module Extension Tester -----*- C++ -*-===//
2e5dd7070Spatrick //
3e5dd7070Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4e5dd7070Spatrick // See https://llvm.org/LICENSE.txt for license information.
5e5dd7070Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6e5dd7070Spatrick //
7e5dd7070Spatrick //===----------------------------------------------------------------------===//
8e5dd7070Spatrick #ifndef LLVM_CLANG_FRONTEND_TESTMODULEFILEEXTENSION_H
9e5dd7070Spatrick #define LLVM_CLANG_FRONTEND_TESTMODULEFILEEXTENSION_H
10e5dd7070Spatrick 
11e5dd7070Spatrick #include "clang/Serialization/ModuleFileExtension.h"
12e5dd7070Spatrick #include "clang/Basic/LLVM.h"
13e5dd7070Spatrick #include "llvm/ADT/StringRef.h"
14e5dd7070Spatrick #include "llvm/Bitstream/BitstreamReader.h"
15e5dd7070Spatrick #include <string>
16e5dd7070Spatrick 
17e5dd7070Spatrick namespace clang {
18e5dd7070Spatrick 
19e5dd7070Spatrick /// A module file extension used for testing purposes.
20a9ac8606Spatrick class TestModuleFileExtension
21a9ac8606Spatrick     : public llvm::RTTIExtends<TestModuleFileExtension, ModuleFileExtension> {
22e5dd7070Spatrick   std::string BlockName;
23e5dd7070Spatrick   unsigned MajorVersion;
24e5dd7070Spatrick   unsigned MinorVersion;
25e5dd7070Spatrick   bool Hashed;
26e5dd7070Spatrick   std::string UserInfo;
27e5dd7070Spatrick 
28e5dd7070Spatrick   class Writer : public ModuleFileExtensionWriter {
29e5dd7070Spatrick   public:
Writer(ModuleFileExtension * Ext)30e5dd7070Spatrick     Writer(ModuleFileExtension *Ext) : ModuleFileExtensionWriter(Ext) { }
31e5dd7070Spatrick     ~Writer() override;
32e5dd7070Spatrick 
33e5dd7070Spatrick     void writeExtensionContents(Sema &SemaRef,
34e5dd7070Spatrick                                 llvm::BitstreamWriter &Stream) override;
35e5dd7070Spatrick   };
36e5dd7070Spatrick 
37e5dd7070Spatrick   class Reader : public ModuleFileExtensionReader {
38e5dd7070Spatrick     llvm::BitstreamCursor Stream;
39e5dd7070Spatrick 
40e5dd7070Spatrick   public:
41e5dd7070Spatrick     ~Reader() override;
42e5dd7070Spatrick 
43e5dd7070Spatrick     Reader(ModuleFileExtension *Ext, const llvm::BitstreamCursor &InStream);
44e5dd7070Spatrick   };
45e5dd7070Spatrick 
46e5dd7070Spatrick public:
47a9ac8606Spatrick   static char ID;
48a9ac8606Spatrick 
TestModuleFileExtension(StringRef BlockName,unsigned MajorVersion,unsigned MinorVersion,bool Hashed,StringRef UserInfo)49a9ac8606Spatrick   TestModuleFileExtension(StringRef BlockName, unsigned MajorVersion,
50a9ac8606Spatrick                           unsigned MinorVersion, bool Hashed,
51e5dd7070Spatrick                           StringRef UserInfo)
52a9ac8606Spatrick       : BlockName(BlockName), MajorVersion(MajorVersion),
53a9ac8606Spatrick         MinorVersion(MinorVersion), Hashed(Hashed), UserInfo(UserInfo) {}
54e5dd7070Spatrick   ~TestModuleFileExtension() override;
55e5dd7070Spatrick 
56e5dd7070Spatrick   ModuleFileExtensionMetadata getExtensionMetadata() const override;
57e5dd7070Spatrick 
58*12c85518Srobert   void hashExtension(ExtensionHashBuilder &HBuilder) const override;
59e5dd7070Spatrick 
60e5dd7070Spatrick   std::unique_ptr<ModuleFileExtensionWriter>
61e5dd7070Spatrick   createExtensionWriter(ASTWriter &Writer) override;
62e5dd7070Spatrick 
63e5dd7070Spatrick   std::unique_ptr<ModuleFileExtensionReader>
64e5dd7070Spatrick   createExtensionReader(const ModuleFileExtensionMetadata &Metadata,
65e5dd7070Spatrick                         ASTReader &Reader, serialization::ModuleFile &Mod,
66e5dd7070Spatrick                         const llvm::BitstreamCursor &Stream) override;
67a9ac8606Spatrick 
68a9ac8606Spatrick   std::string str() const;
69e5dd7070Spatrick };
70e5dd7070Spatrick 
71e5dd7070Spatrick } // end namespace clang
72e5dd7070Spatrick 
73e5dd7070Spatrick #endif // LLVM_CLANG_FRONTEND_TESTMODULEFILEEXTENSION_H
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