clang  6.0.0svn
Macros | Functions
FileManager.cpp File Reference
#include "clang/Basic/FileManager.h"
#include "clang/Basic/FileSystemStatCache.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
#include <climits>
#include <cstdint>
#include <cstdlib>
#include <string>
#include <utility>
Include dependency graph for FileManager.cpp:

Go to the source code of this file.

Macros

#define NON_EXISTENT_DIR   reinterpret_cast<DirectoryEntry*>((intptr_t)-1)
 NON_EXISTENT_DIR - A special value distinct from null that is used to represent a dir name that doesn't exist on the disk. More...
 
#define NON_EXISTENT_FILE   reinterpret_cast<FileEntry*>((intptr_t)-1)
 NON_EXISTENT_FILE - A special value distinct from null that is used to represent a filename that doesn't exist on the disk. More...
 

Functions

static const DirectoryEntrygetDirectoryFromFile (FileManager &FileMgr, StringRef Filename, bool CacheFailure)
 Retrieve the directory that the given file name resides in. More...
 

Macro Definition Documentation

◆ NON_EXISTENT_DIR

#define NON_EXISTENT_DIR   reinterpret_cast<DirectoryEntry*>((intptr_t)-1)

NON_EXISTENT_DIR - A special value distinct from null that is used to represent a dir name that doesn't exist on the disk.

Definition at line 41 of file FileManager.cpp.

Referenced by clang::FileManager::getDirectory(), and getDirectoryFromFile().

◆ NON_EXISTENT_FILE

#define NON_EXISTENT_FILE   reinterpret_cast<FileEntry*>((intptr_t)-1)

NON_EXISTENT_FILE - A special value distinct from null that is used to represent a filename that doesn't exist on the disk.

Definition at line 45 of file FileManager.cpp.

Referenced by clang::FileManager::getFile(), clang::FileManager::GetUniqueIDMapping(), and clang::FileManager::getVirtualFile().

Function Documentation

◆ getDirectoryFromFile()

static const DirectoryEntry* getDirectoryFromFile ( FileManager FileMgr,
StringRef  Filename,
bool  CacheFailure 
)
static

Retrieve the directory that the given file name resides in.

Filename can point to either a real file or a virtual file.

Definition at line 107 of file FileManager.cpp.

References clang::FileManager::getDirectory(), and NON_EXISTENT_DIR.

Referenced by clang::FileManager::getFile(), and clang::FileManager::getVirtualFile().