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//===- tools/dsymutil/Reproducer.h ------------------------------*- 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_TOOLS_DSYMUTIL_REPRODUCER_H
#define LLVM_TOOLS_DSYMUTIL_REPRODUCER_H
#include "llvm/Support/Error.h"
#include "llvm/Support/FileCollector.h"
#include "llvm/Support/VirtualFileSystem.h"
namespace llvm {
namespace dsymutil {
/// The reproducer mode.
enum class ReproducerMode {
Generate,
Use,
Off,
};
/// The reproducer class manages the sate related to reproducers in dsymutil.
/// Instances should be created with Reproducer::createReproducer. An instance
/// of this class is returned when reproducers are off. The VFS returned by
/// this instance is the real file system.
class Reproducer {
public:
Reproducer();
virtual ~Reproducer();
IntrusiveRefCntPtr<vfs::FileSystem> getVFS() const { return VFS; }
/// Create a Reproducer instance based on the given mode.
static llvm::Expected<std::unique_ptr<Reproducer>>
createReproducer(ReproducerMode Mode, StringRef Root);
protected:
IntrusiveRefCntPtr<vfs::FileSystem> VFS;
};
/// Reproducer instance used to generate a new reproducer. The VFS returned by
/// this instance is a FileCollectorFileSystem that tracks every file used by
/// dsymutil.
class ReproducerGenerate : public Reproducer {
public:
ReproducerGenerate(std::error_code &EC);
~ReproducerGenerate() override;
private:
/// The path to the reproducer.
std::string Root;
/// The FileCollector used by the FileCollectorFileSystem.
std::shared_ptr<FileCollector> FC;
};
/// Reproducer instance used to use an existing reproducer. The VFS returned by
/// this instance is a RedirectingFileSystem that remaps paths to their
/// counterpart in the reproducer.
class ReproducerUse : public Reproducer {
public:
ReproducerUse(StringRef Root, std::error_code &EC);
~ReproducerUse() override;
private:
/// The path to the reproducer.
std::string Root;
};
} // end namespace dsymutil
} // end namespace llvm
#endif // LLVM_TOOLS_DSYMUTIL_REPRODUCER_H
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