llvm-project/clang/lib/Frontend/TestModuleFileExtension.h

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2.3 KiB
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//===-- TestModuleFileExtension.h - Module Extension Tester -----*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_FRONTEND_TESTMODULEFILEEXTENSION_H
#define LLVM_CLANG_FRONTEND_TESTMODULEFILEEXTENSION_H
#include "clang/Serialization/ModuleFileExtension.h"
#include "clang/Basic/LLVM.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Bitstream/BitstreamReader.h"
#include <string>
namespace clang {
/// A module file extension used for testing purposes.
class TestModuleFileExtension : public ModuleFileExtension {
std::string BlockName;
unsigned MajorVersion;
unsigned MinorVersion;
bool Hashed;
std::string UserInfo;
class Writer : public ModuleFileExtensionWriter {
public:
Writer(ModuleFileExtension *Ext) : ModuleFileExtensionWriter(Ext) { }
~Writer() override;
void writeExtensionContents(Sema &SemaRef,
llvm::BitstreamWriter &Stream) override;
};
class Reader : public ModuleFileExtensionReader {
llvm::BitstreamCursor Stream;
public:
~Reader() override;
Reader(ModuleFileExtension *Ext, const llvm::BitstreamCursor &InStream);
};
public:
TestModuleFileExtension(StringRef BlockName,
unsigned MajorVersion,
unsigned MinorVersion,
bool Hashed,
StringRef UserInfo)
: BlockName(BlockName),
MajorVersion(MajorVersion), MinorVersion(MinorVersion),
Hashed(Hashed), UserInfo(UserInfo) { }
~TestModuleFileExtension() override;
ModuleFileExtensionMetadata getExtensionMetadata() const override;
llvm::hash_code hashExtension(llvm::hash_code Code) const override;
std::unique_ptr<ModuleFileExtensionWriter>
createExtensionWriter(ASTWriter &Writer) override;
std::unique_ptr<ModuleFileExtensionReader>
createExtensionReader(const ModuleFileExtensionMetadata &Metadata,
ASTReader &Reader, serialization::ModuleFile &Mod,
const llvm::BitstreamCursor &Stream) override;
};
} // end namespace clang
#endif // LLVM_CLANG_FRONTEND_TESTMODULEFILEEXTENSION_H