mirror of
https://github.com/apple/swift.git
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559734c6d0
Remove the CASFS based clang module implemenation as it is not longer
used.
(cherry picked from commit 3c81c1ca9f)
102 lines
4.0 KiB
C++
102 lines
4.0 KiB
C++
//===--- CachingUtils.h -----------------------------------------*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2018 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_FRONTEND_CACHINGUTILS_H
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#define SWIFT_FRONTEND_CACHINGUTILS_H
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#include "swift/Frontend/CASOutputBackends.h"
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#include "swift/Frontend/CachedDiagnostics.h"
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#include "swift/Frontend/FrontendInputsAndOutputs.h"
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#include "swift/Frontend/FrontendOptions.h"
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#include "clang/CAS/CASOptions.h"
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#include "llvm/ADT/IntrusiveRefCntPtr.h"
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#include "llvm/CAS/ActionCache.h"
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#include "llvm/CAS/CASReference.h"
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#include "llvm/CAS/ObjectStore.h"
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#include "llvm/Support/PrefixMapper.h"
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#include "llvm/Support/VirtualFileSystem.h"
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#include "llvm/Support/VirtualOutputBackend.h"
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#include <memory>
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namespace swift {
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class DiagnosticHelper;
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/// Create a swift caching output backend that stores the output from
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/// compiler into a CAS.
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llvm::IntrusiveRefCntPtr<cas::SwiftCASOutputBackend>
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createSwiftCachingOutputBackend(
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llvm::cas::ObjectStore &CAS, llvm::cas::ActionCache &Cache,
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llvm::cas::ObjectRef BaseKey,
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const FrontendInputsAndOutputs &InputsAndOutputs,
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const FrontendOptions &Opts, FrontendOptions::ActionType Action);
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/// Replay the output of the compilation from cache.
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/// Return true if outputs are replayed, false otherwise.
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bool replayCachedCompilerOutputs(llvm::cas::ObjectStore &CAS,
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llvm::cas::ActionCache &Cache,
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llvm::cas::ObjectRef BaseKey,
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DiagnosticEngine &Diag,
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const FrontendOptions &Opts,
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CachingDiagnosticsProcessor &CDP,
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bool CacheRemarks, bool UseCASBackend);
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/// Replay the output of the compilation from cache for one input file.
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/// Return true if outputs are replayed, false otherwise.
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bool replayCachedCompilerOutputsForInput(llvm::cas::ObjectStore &CAS,
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llvm::cas::ObjectRef OutputRef,
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const InputFile &Input,
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unsigned InputIndex,
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DiagnosticEngine &Diag,
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DiagnosticHelper &DiagHelper,
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llvm::vfs::OutputBackend &OutBackend,
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const FrontendOptions &Opts,
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CachingDiagnosticsProcessor &CDP,
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bool CacheRemarks, bool UseCASBackend);
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/// Load the cached compile result from cache.
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std::unique_ptr<llvm::MemoryBuffer> loadCachedCompileResultFromCacheKey(
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llvm::cas::ObjectStore &CAS, llvm::cas::ActionCache &Cache,
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DiagnosticEngine &Diag, llvm::StringRef CacheKey, file_types::ID Type,
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llvm::StringRef Filename = "");
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llvm::Expected<llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>>
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createCASFileSystem(llvm::cas::ObjectStore &CAS,
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const std::string &IncludeTreeRoot,
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const std::string &IncludeTreeFileList);
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std::vector<std::string> remapPathsFromCommandLine(
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ArrayRef<std::string> Args,
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llvm::function_ref<std::string(StringRef)> RemapCallback);
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namespace cas {
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class CachedResultLoader {
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public:
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CachedResultLoader(llvm::cas::ObjectStore &CAS,
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llvm::cas::ObjectRef OutputRef)
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: CAS(CAS), OutputRef(OutputRef) {}
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using CallbackTy =
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llvm::function_ref<llvm::Error(file_types::ID, llvm::cas::ObjectRef)>;
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/// Replay the cached result.
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llvm::Error replay(CallbackTy Callback);
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private:
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llvm::cas::ObjectStore &CAS;
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llvm::cas::ObjectRef OutputRef;
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};
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} // end namespace cas
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} // end namespace swift
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#endif
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