#include "clang/DependencyScanning/DependencyScanningFilesystem.h"

Public Member Functions
const CachedFileSystemEntry *	findEntryByFilename (StringRef Filename) const
	Returns entry associated with the filename or nullptr if none is found.
const CachedFileSystemEntry *	findEntryByUID (llvm::sys::fs::UniqueID UID) const
	Returns entry associated with the unique ID or nullptr if none is found.
const CachedFileSystemEntry &	getOrEmplaceEntryForFilename (StringRef Filename, llvm::ErrorOr< llvm::vfs::Status > Stat)
	Returns entry associated with the filename if there is some.
const CachedFileSystemEntry &	getOrEmplaceEntryForUID (llvm::sys::fs::UniqueID UID, llvm::vfs::Status Stat, std::unique_ptr< llvm::MemoryBuffer > Contents)
	Returns entry associated with the unique ID if there is some.
const CachedFileSystemEntry &	getOrInsertEntryForFilename (StringRef Filename, const CachedFileSystemEntry &Entry)
	Returns entry associated with the filename if there is some.
const CachedRealPath *	findRealPathByFilename (StringRef Filename) const
	Returns the real path associated with the filename or nullptr if none is found.
const CachedRealPath &	getOrEmplaceRealPathForFilename (StringRef Filename, llvm::ErrorOr< StringRef > RealPath)
	Returns the real path associated with the filename if there is some.

Public Attributes
std::mutex	CacheLock
	The mutex that needs to be locked before mutation of any member.
llvm::StringMap< std::pair< const CachedFileSystemEntry , const CachedRealPath >, llvm::BumpPtrAllocator >	CacheByFilename
	Map from filenames to cached entries and real paths.
llvm::DenseMap< llvm::sys::fs::UniqueID, const CachedFileSystemEntry * >	EntriesByUID
	Map from unique IDs to cached entries.
llvm::SpecificBumpPtrAllocator< CachedFileSystemEntry >	EntryStorage
	The backing storage for cached entries.
llvm::SpecificBumpPtrAllocator< CachedFileContents >	ContentsStorage
	The backing storage for cached contents.
llvm::SpecificBumpPtrAllocator< CachedRealPath >	RealPathStorage
	The backing storage for cached real paths.

Detailed Description

Definition at line 155 of file DependencyScanningFilesystem.h.

Member Function Documentation

◆ findEntryByFilename()

const CachedFileSystemEntry * DependencyScanningFilesystemSharedCache::CacheShard::findEntryByFilename ( StringRef Filename ) const

Returns entry associated with the filename or nullptr if none is found.

Definition at line 154 of file DependencyScanningFilesystem.cpp.

References CacheByFilename, CacheLock, and clang::nullptr.

◆ findEntryByUID()

const CachedFileSystemEntry * DependencyScanningFilesystemSharedCache::CacheShard::findEntryByUID ( llvm::sys::fs::UniqueID UID ) const

Returns entry associated with the unique ID or nullptr if none is found.

Definition at line 163 of file DependencyScanningFilesystem.cpp.

References CacheLock, EntriesByUID, and clang::nullptr.

◆ findRealPathByFilename()

const CachedRealPath * DependencyScanningFilesystemSharedCache::CacheShard::findRealPathByFilename ( StringRef Filename ) const

Returns the real path associated with the filename or nullptr if none is found.

Definition at line 218 of file DependencyScanningFilesystem.cpp.

References CacheByFilename, CacheLock, and clang::nullptr.

◆ getOrEmplaceEntryForFilename()

const CachedFileSystemEntry & DependencyScanningFilesystemSharedCache::CacheShard::getOrEmplaceEntryForFilename	(	StringRef	Filename,
		llvm::ErrorOr< llvm::vfs::Status >	Stat )

Returns entry associated with the filename if there is some.

Otherwise, constructs new one with the given status, associates it with the filename and returns the result.

Definition at line 171 of file DependencyScanningFilesystem.cpp.

References CacheByFilename, CacheLock, and EntryStorage.

◆ getOrEmplaceEntryForUID()

const CachedFileSystemEntry & DependencyScanningFilesystemSharedCache::CacheShard::getOrEmplaceEntryForUID	(	llvm::sys::fs::UniqueID	UID,
		llvm::vfs::Status	Stat,
		std::unique_ptr< llvm::MemoryBuffer >	Contents )

Returns entry associated with the unique ID if there is some.

Otherwise, constructs new one with the given status and contents, associates it with the unique ID and returns the result.

Definition at line 188 of file DependencyScanningFilesystem.cpp.

References CacheLock, ContentsStorage, EntriesByUID, and EntryStorage.

◆ getOrEmplaceRealPathForFilename()

const CachedRealPath & DependencyScanningFilesystemSharedCache::CacheShard::getOrEmplaceRealPathForFilename	(	StringRef	Filename,
		llvm::ErrorOr< StringRef >	RealPath )

Returns the real path associated with the filename if there is some.

Otherwise, constructs new one with the given one, associates it with the filename and returns the result.

Definition at line 226 of file DependencyScanningFilesystem.cpp.

References CacheByFilename, CacheLock, and RealPathStorage.

◆ getOrInsertEntryForFilename()

const CachedFileSystemEntry & DependencyScanningFilesystemSharedCache::CacheShard::getOrInsertEntryForFilename	(	StringRef	Filename,
		const CachedFileSystemEntry &	Entry )

Returns entry associated with the filename if there is some.

Otherwise, associates the given entry with the filename and returns it.

Definition at line 206 of file DependencyScanningFilesystem.cpp.

References CacheByFilename, and CacheLock.

Member Data Documentation

◆ CacheByFilename

llvm::StringMap< std::pair<const CachedFileSystemEntry *, const CachedRealPath *>, llvm::BumpPtrAllocator> clang::dependencies::DependencyScanningFilesystemSharedCache::CacheShard::CacheByFilename

Map from filenames to cached entries and real paths.

Definition at line 163 of file DependencyScanningFilesystem.h.

Referenced by findEntryByFilename(), findRealPathByFilename(), getOrEmplaceEntryForFilename(), getOrEmplaceRealPathForFilename(), getOrInsertEntryForFilename(), and clang::dependencies::DependencyScanningFilesystemSharedCache::getOutOfDateEntries().

◆ CacheLock

std::mutex clang::dependencies::DependencyScanningFilesystemSharedCache::CacheShard::CacheLock

mutable

The mutex that needs to be locked before mutation of any member.

Definition at line 157 of file DependencyScanningFilesystem.h.

Referenced by findEntryByFilename(), findEntryByUID(), findRealPathByFilename(), getOrEmplaceEntryForFilename(), getOrEmplaceEntryForUID(), getOrEmplaceRealPathForFilename(), getOrInsertEntryForFilename(), and clang::dependencies::DependencyScanningFilesystemSharedCache::getOutOfDateEntries().

◆ ContentsStorage

llvm::SpecificBumpPtrAllocator<CachedFileContents> clang::dependencies::DependencyScanningFilesystemSharedCache::CacheShard::ContentsStorage

The backing storage for cached contents.

Definition at line 173 of file DependencyScanningFilesystem.h.

Referenced by getOrEmplaceEntryForUID().

◆ EntriesByUID

llvm::DenseMap<llvm::sys::fs::UniqueID, const CachedFileSystemEntry *> clang::dependencies::DependencyScanningFilesystemSharedCache::CacheShard::EntriesByUID

Map from unique IDs to cached entries.

Definition at line 167 of file DependencyScanningFilesystem.h.

Referenced by findEntryByUID(), and getOrEmplaceEntryForUID().