llvm::vfs Namespace Reference

Namespaces
	detail

Classes
class	directory_entry
	A member of a directory, yielded by a directory_iterator. More...
class	directory_iterator
	An input iterator over the entries in a virtual path, similar to llvm::sys::fs::directory_iterator. More...
class	File
	Represents an open file. More...
class	FileSystem
	The virtual file system interface. More...
class	InMemoryFileSystem
	An in-memory file system. More...
class	OverlayFileSystem
	A file system that allows overlaying one AbstractFileSystem on top of another. More...
class	ProxyFileSystem
	By default, this delegates all calls to the underlying file system. More...
class	recursive_directory_iterator
	An input iterator over the recursive contents of a virtual path, similar to llvm::sys::fs::recursive_directory_iterator. More...
class	RedirectingFileSystem
	A virtual file system parsed from a YAML file. More...
class	RedirectingFileSystemParser
	A helper class to hold the common YAML parsing state. More...
class	Status
	The result of a status operation. More...
class	VFSFromYamlDirIterImpl
struct	YAMLVFSEntry
class	YAMLVFSWriter

Functions
IntrusiveRefCntPtr< FileSystem >	getRealFileSystem ()
	Gets an vfs::FileSystem for the 'real' file system, as seen by the operating system. More...
llvm::sys::fs::UniqueID	getNextVirtualUniqueID ()
	Get a globally unique ID for a virtual file or directory. More...
IntrusiveRefCntPtr< FileSystem >	getVFSFromYAML (std::unique_ptr< llvm::MemoryBuffer > Buffer, llvm::SourceMgr::DiagHandlerTy DiagHandler, StringRef YAMLFilePath, void *DiagContext=nullptr, IntrusiveRefCntPtr< FileSystem > ExternalFS=getRealFileSystem())
	Gets a FileSystem for a virtual file system described in YAML format. More...
void	collectVFSFromYAML (std::unique_ptr< llvm::MemoryBuffer > Buffer, llvm::SourceMgr::DiagHandlerTy DiagHandler, StringRef YAMLFilePath, SmallVectorImpl< YAMLVFSEntry > &CollectedEntries, void *DiagContext=nullptr, IntrusiveRefCntPtr< FileSystem > ExternalFS=getRealFileSystem())
	Collect all pairs of <virtual path, real path> entries from the YAMLFilePath. More...
static ErrorOr< const detail::InMemoryNode * >	lookupInMemoryNode (const InMemoryFileSystem &FS, detail::InMemoryDirectory *Dir, const Twine &P)

Function Documentation

collectVFSFromYAML()

void llvm::vfs::collectVFSFromYAML	(	std::unique_ptr< llvm::MemoryBuffer >	Buffer,
		llvm::SourceMgr::DiagHandlerTy	DiagHandler,
		StringRef	YAMLFilePath,
		SmallVectorImpl< YAMLVFSEntry > &	CollectedEntries,
		void *	DiagContext = nullptr,
		IntrusiveRefCntPtr< FileSystem >	ExternalFS = getRealFileSystem()
	)

Collect all pairs of <virtual path, real path> entries from the YAMLFilePath.

This is used by the module dependency collector to forward the entries into the reproducer output VFS YAML file.

Referenced by getVFSEntries().

getNextVirtualUniqueID()

UniqueID llvm::vfs::getNextVirtualUniqueID

(

)

Get a globally unique ID for a virtual file or directory.

Definition at line 1798 of file VirtualFileSystem.cpp.

References llvm::max().

Referenced by llvm::vfs::InMemoryFileSystem::getCurrentWorkingDirectory().

getRealFileSystem()

IntrusiveRefCntPtr< FileSystem > llvm::vfs::getRealFileSystem

(

)

Gets an vfs::FileSystem for the 'real' file system, as seen by the operating system.

Definition at line 307 of file VirtualFileSystem.cpp.

References llvm::sys::fs::directory_iterator::increment(), llvm::sys::fs::directory_entry::path(), and llvm::sys::fs::directory_entry::type().

Referenced by llvm::vfs::InMemoryFileSystem::getCurrentWorkingDirectory().

getVFSFromYAML()

IntrusiveRefCntPtr<FileSystem> llvm::vfs::getVFSFromYAML	(	std::unique_ptr< llvm::MemoryBuffer >	Buffer,
		llvm::SourceMgr::DiagHandlerTy	DiagHandler,
		StringRef	YAMLFilePath,
		void *	DiagContext = nullptr,
		IntrusiveRefCntPtr< FileSystem >	ExternalFS = getRealFileSystem()
	)

Gets a FileSystem for a virtual file system described in YAML format.

Referenced by llvm::vfs::InMemoryFileSystem::getCurrentWorkingDirectory(), and llvm::vfs::RedirectingFileSystem::getRealPath().

lookupInMemoryNode()

static ErrorOr<const detail::InMemoryNode *> llvm::vfs::lookupInMemoryNode ( const InMemoryFileSystem &  FS, detail::InMemoryDirectory *  Dir, const Twine &  P  )

static

Definition at line 762 of file VirtualFileSystem.cpp.

References assert(), llvm::sys::path::begin(), E, llvm::SmallVectorBase::empty(), llvm::sys::path::end(), I, llvm::vfs::FileSystem::makeAbsolute(), llvm::sys::path::remove_dots(), llvm::Twine::toVector(), and llvm::vfs::InMemoryFileSystem::useNormalizedPaths().

Referenced by llvm::vfs::InMemoryFileSystem::addHardLink().