clang::tooling::dependencies::DependencyScanningFilesystemSharedCache::CacheShard Struct Reference

#include "clang/Tooling/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 112 of file DependencyScanningFilesystem.cpp.

References CacheByFilename, CacheLock, and Filename.

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 121 of file DependencyScanningFilesystem.cpp.

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 176 of file DependencyScanningFilesystem.cpp.

References Filename.

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 129 of file DependencyScanningFilesystem.cpp.

References Filename.

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 146 of file DependencyScanningFilesystem.cpp.

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 184 of file DependencyScanningFilesystem.cpp.

References Filename.

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 164 of file DependencyScanningFilesystem.cpp.

References Filename.

Member Data Documentation

CacheByFilename

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

Map from filenames to cached entries and real paths.

Definition at line 163 of file DependencyScanningFilesystem.h.

Referenced by findEntryByFilename().

CacheLock

std::mutex clang::tooling::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().

ContentsStorage

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

The backing storage for cached contents.

Definition at line 173 of file DependencyScanningFilesystem.h.

EntriesByUID

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

Map from unique IDs to cached entries.

Definition at line 167 of file DependencyScanningFilesystem.h.

EntryStorage

llvm::SpecificBumpPtrAllocator<CachedFileSystemEntry> clang::tooling::dependencies::DependencyScanningFilesystemSharedCache::CacheShard::EntryStorage

The backing storage for cached entries.

Definition at line 170 of file DependencyScanningFilesystem.h.

RealPathStorage

llvm::SpecificBumpPtrAllocator<CachedRealPath> clang::tooling::dependencies::DependencyScanningFilesystemSharedCache::CacheShard::RealPathStorage

The backing storage for cached real paths.

Definition at line 176 of file DependencyScanningFilesystem.h.

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

• include/clang/Tooling/DependencyScanning/DependencyScanningFilesystem.h
• lib/Tooling/DependencyScanning/DependencyScanningFilesystem.cpp