clang: clang::FileSystemStatCache Class Reference (original) (raw)

Abstract interface for introducing a FileManager cache for 'stat' system calls, which is used by precompiled and pretokenized headers to improve performance. More...

#include "[clang/Basic/FileSystemStatCache.h](FileSystemStatCache%5F8h%5Fsource.html)"

Static Public Member Functions
static std::error_code get (StringRef Path, llvm::vfs::Status &Status, bool isFile, std::unique_ptr< llvm::vfs::File > *F, FileSystemStatCache *Cache, llvm::vfs::FileSystem &FS, bool IsText=true)
Get the 'stat' information for the specified path, using the cache to accelerate it if possible.
Protected Member Functions
virtual std::error_code getStat (StringRef Path, llvm::vfs::Status &Status, bool isFile, std::unique_ptr< llvm::vfs::File > *F, llvm::vfs::FileSystem &FS)=0

Abstract interface for introducing a FileManager cache for 'stat' system calls, which is used by precompiled and pretokenized headers to improve performance.

Definition at line 35 of file FileSystemStatCache.h.

virtual clang::FileSystemStatCache::~FileSystemStatCache ( ) virtualdefault

◆ get()

std::error_code FileSystemStatCache::get ( StringRef Path, llvm::vfs::Status & Status, bool isFile, std::unique_ptr< llvm::vfs::File > * F, FileSystemStatCache * Cache, llvm::vfs::FileSystem & FS, bool IsText = true ) static

Get the 'stat' information for the specified path, using the cache to accelerate it if possible.

FileSystemStatCache::get - Get the 'stat' information for the specified path, using the cache to accelerate it if possible.

Returns

true if the path does not exist or false if it exists.

If isFile is true, then this lookup should only return success for files (not directories). If it is false this lookup should only return success for directories (not files). On a successful file lookup, the implementation can optionally fill in F with a valid File object and the client guarantees that it will close it.

This returns true if the path does not exist or false if it exists.

If isFile is true, then this lookup should only return success for files (not directories). If it is false this lookup should only return success for directories (not files). On a successful file lookup, the implementation can optionally fill in FileDescriptor with a valid descriptor and the client guarantees that it will close it.

Definition at line 33 of file FileSystemStatCache.cpp.

References Path.

Referenced by clang::MemorizeStatCalls::getStat().

◆ getStat()

virtual std::error_code clang::FileSystemStatCache::getStat ( StringRef Path, llvm::vfs::Status & Status, bool isFile, std::unique_ptr< llvm::vfs::File > * F, llvm::vfs::FileSystem & FS ) protectedpure virtual

The documentation for this class was generated from the following files: