Updated to Clang 3.5a.
Change-Id: I8127eb568f674c2e72635b639a3295381fe8af82
diff --git a/lib/Basic/FileSystemStatCache.cpp b/lib/Basic/FileSystemStatCache.cpp
index 7a01bff..9d87999 100644
--- a/lib/Basic/FileSystemStatCache.cpp
+++ b/lib/Basic/FileSystemStatCache.cpp
@@ -12,7 +12,7 @@
//===----------------------------------------------------------------------===//
#include "clang/Basic/FileSystemStatCache.h"
-#include "llvm/Support/FileSystem.h"
+#include "clang/Basic/VirtualFileSystem.h"
#include "llvm/Support/Path.h"
// FIXME: This is terrible, we need this for ::close.
@@ -30,13 +30,14 @@
void FileSystemStatCache::anchor() { }
-static void copyStatusToFileData(const llvm::sys::fs::file_status &Status,
+static void copyStatusToFileData(const vfs::Status &Status,
FileData &Data) {
+ Data.Name = Status.getName();
Data.Size = Status.getSize();
Data.ModTime = Status.getLastModificationTime().toEpochTime();
Data.UniqueID = Status.getUniqueID();
- Data.IsDirectory = is_directory(Status);
- Data.IsNamedPipe = Status.type() == llvm::sys::fs::file_type::fifo_file;
+ Data.IsDirectory = Status.isDirectory();
+ Data.IsNamedPipe = Status.getType() == llvm::sys::fs::file_type::fifo_file;
Data.InPCH = false;
}
@@ -50,22 +51,23 @@
/// implementation can optionally fill in FileDescriptor with a valid
/// descriptor and the client guarantees that it will close it.
bool FileSystemStatCache::get(const char *Path, FileData &Data, bool isFile,
- int *FileDescriptor, FileSystemStatCache *Cache) {
+ vfs::File **F, FileSystemStatCache *Cache,
+ vfs::FileSystem &FS) {
LookupResult R;
bool isForDir = !isFile;
// If we have a cache, use it to resolve the stat query.
if (Cache)
- R = Cache->getStat(Path, Data, isFile, FileDescriptor);
- else if (isForDir || !FileDescriptor) {
+ R = Cache->getStat(Path, Data, isFile, F, FS);
+ else if (isForDir || !F) {
// If this is a directory or a file descriptor is not needed and we have
// no cache, just go to the file system.
- llvm::sys::fs::file_status Status;
- if (llvm::sys::fs::status(Path, Status)) {
+ llvm::ErrorOr<vfs::Status> Status = FS.status(Path);
+ if (!Status) {
R = CacheMissing;
} else {
R = CacheExists;
- copyStatusToFileData(Status, Data);
+ copyStatusToFileData(*Status, Data);
}
} else {
// Otherwise, we have to go to the filesystem. We can always just use
@@ -75,7 +77,8 @@
//
// Because of this, check to see if the file exists with 'open'. If the
// open succeeds, use fstat to get the stat info.
- llvm::error_code EC = llvm::sys::fs::openFileForRead(Path, *FileDescriptor);
+ std::unique_ptr<vfs::File> OwnedFile;
+ llvm::error_code EC = FS.openFileForRead(Path, OwnedFile);
if (EC) {
// If the open fails, our "stat" fails.
@@ -84,16 +87,16 @@
// Otherwise, the open succeeded. Do an fstat to get the information
// about the file. We'll end up returning the open file descriptor to the
// client to do what they please with it.
- llvm::sys::fs::file_status Status;
- if (!llvm::sys::fs::status(*FileDescriptor, Status)) {
+ llvm::ErrorOr<vfs::Status> Status = OwnedFile->status();
+ if (Status) {
R = CacheExists;
- copyStatusToFileData(Status, Data);
+ copyStatusToFileData(*Status, Data);
+ *F = OwnedFile.release();
} else {
// fstat rarely fails. If it does, claim the initial open didn't
// succeed.
R = CacheMissing;
- ::close(*FileDescriptor);
- *FileDescriptor = -1;
+ *F = 0;
}
}
}
@@ -105,9 +108,9 @@
// demands.
if (Data.IsDirectory != isForDir) {
// If not, close the file if opened.
- if (FileDescriptor && *FileDescriptor != -1) {
- ::close(*FileDescriptor);
- *FileDescriptor = -1;
+ if (F && *F) {
+ (*F)->close();
+ *F = 0;
}
return true;
@@ -118,8 +121,8 @@
MemorizeStatCalls::LookupResult
MemorizeStatCalls::getStat(const char *Path, FileData &Data, bool isFile,
- int *FileDescriptor) {
- LookupResult Result = statChained(Path, Data, isFile, FileDescriptor);
+ vfs::File **F, vfs::FileSystem &FS) {
+ LookupResult Result = statChained(Path, Data, isFile, F, FS);
// Do not cache failed stats, it is easy to construct common inconsistent
// situations if we do, and they are not important for PCH performance (which