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//===-- TestFS.h ------------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Allows setting up fake filesystem environments for tests.
//
//===----------------------------------------------------------------------===//
#include "ClangdServer.h"
#include "clang/Basic/VirtualFileSystem.h"
#include "llvm/ADT/IntrusiveRefCntPtr.h"
#include "llvm/Support/Path.h"
namespace clang {
namespace clangd {
// Builds a VFS that provides access to the provided files, plus temporary
// directories.
llvm::IntrusiveRefCntPtr<vfs::FileSystem>
buildTestFS(llvm::StringMap<std::string> const &Files);
// A VFS provider that returns TestFSes containing a provided set of files.
class MockFSProvider : public FileSystemProvider {
public:
Tagged<IntrusiveRefCntPtr<vfs::FileSystem>>
getTaggedFileSystem(PathRef File) override;
llvm::Optional<SmallString<32>> ExpectedFile;
llvm::StringMap<std::string> Files;
VFSTag Tag = VFSTag();
};
// A Compilation database that returns a fixed set of compile flags.
class MockCompilationDatabase : public GlobalCompilationDatabase {
public:
MockCompilationDatabase(bool AddFreestandingFlag) {
// We have to add -ffreestanding to VFS-specific tests to avoid errors on
// implicit includes of stdc-predef.h.
if (AddFreestandingFlag)
ExtraClangFlags.push_back("-ffreestanding");
}
llvm::Optional<tooling::CompileCommand>
getCompileCommand(PathRef File) const override;
std::vector<std::string> ExtraClangFlags;
};
// Returns a suitable absolute path for this OS.
llvm::SmallString<32> getVirtualTestFilePath(PathRef File);
} // namespace clangd
} // namespace clang
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