| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang/Serialization/ModuleCache.h" |
| |
| #include "clang/Serialization/InMemoryModuleCache.h" |
| #include "llvm/Support/FileSystem.h" |
| #include "llvm/Support/LockFileManager.h" |
| #include "llvm/Support/Path.h" |
| |
| using namespace clang; |
| |
| namespace { |
| class CrossProcessModuleCache : public ModuleCache { |
| InMemoryModuleCache InMemory; |
| |
| public: |
| void prepareForGetLock(StringRef ModuleFilename) override { |
| // FIXME: Do this in LockFileManager and only if the directory doesn't |
| // exist. |
| StringRef Dir = llvm::sys::path::parent_path(ModuleFilename); |
| llvm::sys::fs::create_directories(Dir); |
| } |
| |
| std::unique_ptr<llvm::AdvisoryLock> |
| getLock(StringRef ModuleFilename) override { |
| return std::make_unique<llvm::LockFileManager>(ModuleFilename); |
| } |
| |
| InMemoryModuleCache &getInMemoryModuleCache() override { return InMemory; } |
| const InMemoryModuleCache &getInMemoryModuleCache() const override { |
| return InMemory; |
| } |
| }; |
| } // namespace |
| |
| IntrusiveRefCntPtr<ModuleCache> clang::createCrossProcessModuleCache() { |
| return llvm::makeIntrusiveRefCnt<CrossProcessModuleCache>(); |
| } |