Author: eugenezelenko
Date: Wed Mar 28 15:09:09 2018
New Revision: 328735
URL: http://llvm.org/viewvc/llvm-project?rev=328735&view=rev
Log:
[Basic] Fix some Clang-tidy modernize and Include What You Use warnings; other
minor fixes (NFC).
Modified:
cfe/trunk/include/clang/Basic/AddressSpaces.h
cfe/trunk/include/clang/Basic/CommentOptions.h
cfe/trunk/include/clang/Basic/FileSystemStatCache.h
cfe/trunk/include/clang/Basic/Linkage.h
cfe/trunk/include/clang/Basic/ObjCRuntime.h
cfe/trunk/include/clang/Basic/Sanitizers.h
cfe/trunk/include/clang/Basic/VirtualFileSystem.h
cfe/trunk/lib/Basic/FileSystemStatCache.cpp
cfe/trunk/lib/Basic/ObjCRuntime.cpp
cfe/trunk/lib/Basic/Sanitizers.cpp
cfe/trunk/lib/Basic/VirtualFileSystem.cpp
Modified: cfe/trunk/include/clang/Basic/AddressSpaces.h
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/AddressSpaces.h?rev=328735&r1=328734&r2=328735&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/AddressSpaces.h (original)
+++ cfe/trunk/include/clang/Basic/AddressSpaces.h Wed Mar 28 15:09:09 2018
@@ -1,4 +1,4 @@
-//===--- AddressSpaces.h - Language-specific address spaces -----*- C++
-*-===//
+//===- AddressSpaces.h - Language-specific address spaces -------*- C++
-*-===//
//
// The LLVM Compiler Infrastructure
//
@@ -6,17 +6,17 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-///
+//
/// \file
/// \brief Provides definitions for the various language-specific address
/// spaces.
-///
+//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_BASIC_ADDRESSSPACES_H
#define LLVM_CLANG_BASIC_ADDRESSSPACES_H
-#include <assert.h>
+#include <cassert>
namespace clang {
@@ -51,7 +51,7 @@ enum class LangAS : unsigned {
/// The type of a lookup table which maps from language-specific address spaces
/// to target-specific ones.
-typedef unsigned LangASMap[(unsigned)LangAS::FirstTargetAddressSpace];
+using LangASMap = unsigned[(unsigned)LangAS::FirstTargetAddressSpace];
/// \return whether \p AS is a target-specific address space rather than a
/// clang AST address space
@@ -71,4 +71,4 @@ inline LangAS getLangASFromTargetAS(unsi
} // namespace clang
-#endif
+#endif // LLVM_CLANG_BASIC_ADDRESSSPACES_H
Modified: cfe/trunk/include/clang/Basic/CommentOptions.h
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/CommentOptions.h?rev=328735&r1=328734&r2=328735&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/CommentOptions.h (original)
+++ cfe/trunk/include/clang/Basic/CommentOptions.h Wed Mar 28 15:09:09 2018
@@ -1,4 +1,4 @@
-//===--- CommentOptions.h - Options for parsing comments -----*- C++ -*-===//
+//===- CommentOptions.h - Options for parsing comments ----------*- C++
-*-===//
//
// The LLVM Compiler Infrastructure
//
@@ -6,10 +6,10 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-///
+//
/// \file
/// \brief Defines the clang::CommentOptions interface.
-///
+//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_BASIC_COMMENTOPTIONS_H
@@ -22,18 +22,18 @@ namespace clang {
/// \brief Options for controlling comment parsing.
struct CommentOptions {
- typedef std::vector<std::string> BlockCommandNamesTy;
+ using BlockCommandNamesTy = std::vector<std::string>;
/// \brief Command names to treat as block commands in comments.
/// Should not include the leading backslash.
BlockCommandNamesTy BlockCommandNames;
/// \brief Treat ordinary comments as documentation comments.
- bool ParseAllComments;
+ bool ParseAllComments = false;
- CommentOptions() : ParseAllComments(false) { }
+ CommentOptions() = default;
};
-} // end namespace clang
+} // namespace clang
-#endif
+#endif // LLVM_CLANG_BASIC_COMMENTOPTIONS_H
Modified: cfe/trunk/include/clang/Basic/FileSystemStatCache.h
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/FileSystemStatCache.h?rev=328735&r1=328734&r2=328735&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/FileSystemStatCache.h (original)
+++ cfe/trunk/include/clang/Basic/FileSystemStatCache.h Wed Mar 28 15:09:09 2018
@@ -1,4 +1,4 @@
-//===--- FileSystemStatCache.h - Caching for 'stat' calls -------*- C++
-*-===//
+//===- FileSystemStatCache.h - Caching for 'stat' calls ---------*- C++
-*-===//
//
// The LLVM Compiler Infrastructure
//
@@ -6,10 +6,10 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-///
+//
/// \file
/// \brief Defines the FileSystemStatCache interface.
-///
+//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_BASIC_FILESYSTEMSTATCACHE_H
@@ -17,29 +17,38 @@
#include "clang/Basic/LLVM.h"
#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Allocator.h"
#include "llvm/Support/FileSystem.h"
+#include <cstdint>
+#include <ctime>
#include <memory>
+#include <string>
+#include <utility>
namespace clang {
namespace vfs {
+
class File;
class FileSystem;
-}
+
+} // namespace vfs
// FIXME: should probably replace this with vfs::Status
struct FileData {
std::string Name;
- uint64_t Size;
- time_t ModTime;
+ uint64_t Size = 0;
+ time_t ModTime = 0;
llvm::sys::fs::UniqueID UniqueID;
- bool IsDirectory;
- bool IsNamedPipe;
- bool InPCH;
- bool IsVFSMapped; // FIXME: remove this when files support multiple names
- FileData()
- : Size(0), ModTime(0), IsDirectory(false), IsNamedPipe(false),
- InPCH(false), IsVFSMapped(false) {}
+ bool IsDirectory = false;
+ bool IsNamedPipe = false;
+ bool InPCH = false;
+
+ // FIXME: remove this when files support multiple names
+ bool IsVFSMapped = false;
+
+ FileData() = default;
};
/// \brief Abstract interface for introducing a FileManager cache for 'stat'
@@ -47,15 +56,19 @@ struct FileData {
/// improve performance.
class FileSystemStatCache {
virtual void anchor();
+
protected:
std::unique_ptr<FileSystemStatCache> NextStatCache;
public:
- virtual ~FileSystemStatCache() {}
+ virtual ~FileSystemStatCache() = default;
enum LookupResult {
- CacheExists, ///< We know the file exists and its cached stat data.
- CacheMissing ///< We know that the file doesn't exist.
+ /// We know the file exists and its cached stat data.
+ CacheExists,
+
+ /// We know that the file doesn't exist.
+ CacheMissing
};
/// \brief Get the 'stat' information for the specified path, using the cache
@@ -115,8 +128,8 @@ public:
/// \brief The set of stat() calls that have been seen.
llvm::StringMap<FileData, llvm::BumpPtrAllocator> StatCalls;
- typedef llvm::StringMap<FileData, llvm::BumpPtrAllocator>::const_iterator
- iterator;
+ using iterator =
+ llvm::StringMap<FileData, llvm::BumpPtrAllocator>::const_iterator;
iterator begin() const { return StatCalls.begin(); }
iterator end() const { return StatCalls.end(); }
@@ -126,6 +139,6 @@ public:
vfs::FileSystem &FS) override;
};
-} // end namespace clang
+} // namespace clang
-#endif
+#endif // LLVM_CLANG_BASIC_FILESYSTEMSTATCACHE_H
Modified: cfe/trunk/include/clang/Basic/Linkage.h
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Linkage.h?rev=328735&r1=328734&r2=328735&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/Linkage.h (original)
+++ cfe/trunk/include/clang/Basic/Linkage.h Wed Mar 28 15:09:09 2018
@@ -1,4 +1,4 @@
-//===--- Linkage.h - Linkage enumeration and utilities ----------*- C++
-*-===//
+//===- Linkage.h - Linkage enumeration and utilities ------------*- C++
-*-===//
//
// The LLVM Compiler Infrastructure
//
@@ -6,16 +6,15 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-///
+//
/// \file
/// \brief Defines the Linkage enumeration and various utility functions.
-///
+//
//===----------------------------------------------------------------------===//
+
#ifndef LLVM_CLANG_BASIC_LINKAGE_H
#define LLVM_CLANG_BASIC_LINKAGE_H
-#include <assert.h>
-#include <stdint.h>
#include <utility>
namespace clang {
@@ -125,6 +124,6 @@ inline Linkage minLinkage(Linkage L1, Li
return L1 < L2 ? L1 : L2;
}
-} // end namespace clang
+} // namespace clang
#endif // LLVM_CLANG_BASIC_LINKAGE_H
Modified: cfe/trunk/include/clang/Basic/ObjCRuntime.h
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/ObjCRuntime.h?rev=328735&r1=328734&r2=328735&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/ObjCRuntime.h (original)
+++ cfe/trunk/include/clang/Basic/ObjCRuntime.h Wed Mar 28 15:09:09 2018
@@ -1,4 +1,4 @@
-//===--- ObjCRuntime.h - Objective-C Runtime Configuration ------*- C++
-*-===//
+//===- ObjCRuntime.h - Objective-C Runtime Configuration --------*- C++
-*-===//
//
// The LLVM Compiler Infrastructure
//
@@ -6,18 +6,21 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-///
+//
/// \file
/// \brief Defines types useful for describing an Objective-C runtime.
-///
+//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_BASIC_OBJCRUNTIME_H
#define LLVM_CLANG_BASIC_OBJCRUNTIME_H
+#include "clang/Basic/LLVM.h"
#include "clang/Basic/VersionTuple.h"
+#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Support/ErrorHandling.h"
+#include <string>
namespace clang {
@@ -57,15 +60,14 @@ public:
};
private:
- Kind TheKind;
+ Kind TheKind = MacOSX;
VersionTuple Version;
public:
/// A bogus initialization of the runtime.
- ObjCRuntime() : TheKind(MacOSX) {}
-
+ ObjCRuntime() = default;
ObjCRuntime(Kind kind, const VersionTuple &version)
- : TheKind(kind), Version(version) {}
+ : TheKind(kind), Version(version) {}
void set(Kind kind, VersionTuple version) {
TheKind = kind;
@@ -182,9 +184,8 @@ public:
return true;
case GNUstep:
return getVersion() >= VersionTuple(1, 7);
-
default:
- return false;
+ return false;
}
}
@@ -320,7 +321,6 @@ public:
return getVersion() >= VersionTuple(2);
case GNUstep:
return false;
-
default:
return false;
}
@@ -360,6 +360,6 @@ public:
raw_ostream &operator<<(raw_ostream &out, const ObjCRuntime &value);
-} // end namespace clang
+} // namespace clang
-#endif
+#endif // LLVM_CLANG_BASIC_OBJCRUNTIME_H
Modified: cfe/trunk/include/clang/Basic/Sanitizers.h
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Sanitizers.h?rev=328735&r1=328734&r2=328735&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/Sanitizers.h (original)
+++ cfe/trunk/include/clang/Basic/Sanitizers.h Wed Mar 28 15:09:09 2018
@@ -1,4 +1,4 @@
-//===--- Sanitizers.h - C Language Family Language Options ------*- C++
-*-===//
+//===- Sanitizers.h - C Language Family Language Options --------*- C++
-*-===//
//
// The LLVM Compiler Infrastructure
//
@@ -6,10 +6,10 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-///
+//
/// \file
/// \brief Defines the clang::SanitizerKind enum.
-///
+//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_BASIC_SANITIZERS_H
@@ -18,10 +18,12 @@
#include "clang/Basic/LLVM.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/MathExtras.h"
+#include <cassert>
+#include <cstdint>
namespace clang {
-typedef uint64_t SanitizerMask;
+using SanitizerMask = uint64_t;
namespace SanitizerKind {
@@ -43,7 +45,7 @@ enum SanitizerOrdinal : uint64_t {
const SanitizerMask ID##Group = 1ULL << SO_##ID##Group;
#include "clang/Basic/Sanitizers.def"
-}
+} // namespace SanitizerKind
struct SanitizerSet {
/// \brief Check if a certain (single) sanitizer is enabled.
@@ -85,6 +87,6 @@ inline SanitizerMask getPPTransparentSan
SanitizerKind::Nullability | SanitizerKind::Undefined;
}
-} // end namespace clang
+} // namespace clang
-#endif
+#endif // LLVM_CLANG_BASIC_SANITIZERS_H
Modified: cfe/trunk/include/clang/Basic/VirtualFileSystem.h
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/VirtualFileSystem.h?rev=328735&r1=328734&r2=328735&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/VirtualFileSystem.h (original)
+++ cfe/trunk/include/clang/Basic/VirtualFileSystem.h Wed Mar 28 15:09:09 2018
@@ -6,8 +6,10 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
+//
/// \file
/// \brief Defines the virtual file system interface vfs::FileSystem.
+//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_BASIC_VIRTUALFILESYSTEM_H
@@ -15,6 +17,7 @@
#include "clang/Basic/LLVM.h"
#include "llvm/ADT/IntrusiveRefCntPtr.h"
+#include "llvm/ADT/None.h"
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
@@ -23,8 +26,6 @@
#include "llvm/Support/ErrorOr.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/raw_ostream.h"
-#include <algorithm>
#include <cassert>
#include <cstdint>
#include <ctime>
@@ -39,7 +40,7 @@ namespace llvm {
class MemoryBuffer;
-} // end namespace llvm
+} // namespace llvm
namespace clang {
namespace vfs {
@@ -52,14 +53,14 @@ class Status {
uint32_t User;
uint32_t Group;
uint64_t Size;
- llvm::sys::fs::file_type Type;
+ llvm::sys::fs::file_type Type = llvm::sys::fs::file_type::status_error;
llvm::sys::fs::perms Perms;
public:
- bool IsVFSMapped; // FIXME: remove when files support multiple names
+ // FIXME: remove when files support multiple names
+ bool IsVFSMapped = false;
-public:
- Status() : Type(llvm::sys::fs::file_type::status_error) {}
+ Status() = default;
Status(const llvm::sys::fs::file_status &Status);
Status(StringRef Name, llvm::sys::fs::UniqueID UID,
llvm::sys::TimePoint<> MTime, uint32_t User, uint32_t Group,
@@ -139,7 +140,7 @@ struct DirIterImpl {
Status CurrentEntry;
};
-} // end namespace detail
+} // namespace detail
/// \brief An input iterator over the entries in a virtual path, similar to
/// llvm::sys::fs::directory_iterator.
@@ -184,8 +185,8 @@ class FileSystem;
/// \brief An input iterator over the recursive contents of a virtual path,
/// similar to llvm::sys::fs::recursive_directory_iterator.
class recursive_directory_iterator {
- typedef std::stack<directory_iterator, std::vector<directory_iterator>>
- IterState;
+ using IterState =
+ std::stack<directory_iterator, std::vector<directory_iterator>>;
FileSystem *FS;
std::shared_ptr<IterState> State; // Input iterator semantics on copy.
@@ -193,6 +194,7 @@ class recursive_directory_iterator {
public:
recursive_directory_iterator(FileSystem &FS, const Twine &Path,
std::error_code &EC);
+
/// \brief Construct an 'end' iterator.
recursive_directory_iterator() = default;
@@ -211,7 +213,7 @@ public:
/// \brief Gets the current level. Starting path is at level 0.
int level() const {
- assert(State->size() && "Cannot get level without any iteration state");
+ assert(!State->empty() && "Cannot get level without any iteration state");
return State->size()-1;
}
};
@@ -223,6 +225,7 @@ public:
/// \brief Get the status of the entry at \p Path, if one exists.
virtual llvm::ErrorOr<Status> status(const Twine &Path) = 0;
+
/// \brief Get a \p File object for the file at \p Path, if one exists.
virtual llvm::ErrorOr<std::unique_ptr<File>>
openFileForRead(const Twine &Path) = 0;
@@ -241,6 +244,7 @@ public:
/// Set the working directory. This will affect all following operations on
/// this file system and may propagate down for nested file systems.
virtual std::error_code setCurrentWorkingDirectory(const Twine &Path) = 0;
+
/// Get the working directory of this file system.
virtual llvm::ErrorOr<std::string> getCurrentWorkingDirectory() const = 0;
@@ -276,13 +280,15 @@ IntrusiveRefCntPtr<FileSystem> getRealFi
/// that exists in more than one file system, the file in the top-most file
/// system overrides the other(s).
class OverlayFileSystem : public FileSystem {
- typedef SmallVector<IntrusiveRefCntPtr<FileSystem>, 1> FileSystemList;
+ using FileSystemList = SmallVector<IntrusiveRefCntPtr<FileSystem>, 1>;
+
/// \brief The stack of file systems, implemented as a list in order of
/// their addition.
FileSystemList FSList;
public:
OverlayFileSystem(IntrusiveRefCntPtr<FileSystem> Base);
+
/// \brief Pushes a file system on top of the stack.
void pushOverlay(IntrusiveRefCntPtr<FileSystem> FS);
@@ -293,7 +299,7 @@ public:
llvm::ErrorOr<std::string> getCurrentWorkingDirectory() const override;
std::error_code setCurrentWorkingDirectory(const Twine &Path) override;
- typedef FileSystemList::reverse_iterator iterator;
+ using iterator = FileSystemList::reverse_iterator;
/// \brief Get an iterator pointing to the most recently added file system.
iterator overlays_begin() { return FSList.rbegin(); }
@@ -307,7 +313,7 @@ namespace detail {
class InMemoryDirectory;
-} // end namespace detail
+} // namespace detail
/// An in-memory file system.
class InMemoryFileSystem : public FileSystem {
@@ -330,6 +336,7 @@ public:
Optional<uint32_t> User = None, Optional<uint32_t> Group = None,
Optional<llvm::sys::fs::file_type> Type = None,
Optional<llvm::sys::fs::perms> Perms = None);
+
/// Add a buffer to the VFS with a path. The VFS does not own the buffer.
/// If present, User, Group, Type and Perms apply to the newly-created file
/// or directory.
@@ -344,6 +351,7 @@ public:
Optional<llvm::sys::fs::perms> Perms = None);
std::string toString() const;
+
/// Return true if this file system normalizes . and .. in paths.
bool useNormalizedPaths() const { return UseNormalizedPaths; }
@@ -351,9 +359,11 @@ public:
llvm::ErrorOr<std::unique_ptr<File>>
openFileForRead(const Twine &Path) override;
directory_iterator dir_begin(const Twine &Dir, std::error_code &EC) override;
+
llvm::ErrorOr<std::string> getCurrentWorkingDirectory() const override {
return WorkingDirectory;
}
+
std::error_code setCurrentWorkingDirectory(const Twine &Path) override;
};
@@ -419,7 +429,7 @@ public:
void write(llvm::raw_ostream &OS);
};
-} // end namespace vfs
-} // end namespace clang
+} // namespace vfs
+} // namespace clang
#endif // LLVM_CLANG_BASIC_VIRTUALFILESYSTEM_H
Modified: cfe/trunk/lib/Basic/FileSystemStatCache.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/FileSystemStatCache.cpp?rev=328735&r1=328734&r2=328735&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/FileSystemStatCache.cpp (original)
+++ cfe/trunk/lib/Basic/FileSystemStatCache.cpp Wed Mar 28 15:09:09 2018
@@ -1,4 +1,4 @@
-//===--- FileSystemStatCache.cpp - Caching for 'stat' calls
---------------===//
+//===- FileSystemStatCache.cpp - Caching for 'stat' calls
-----------------===//
//
// The LLVM Compiler Infrastructure
//
@@ -13,11 +13,14 @@
#include "clang/Basic/FileSystemStatCache.h"
#include "clang/Basic/VirtualFileSystem.h"
+#include "llvm/Support/Chrono.h"
+#include "llvm/Support/ErrorOr.h"
#include "llvm/Support/Path.h"
+#include <utility>
using namespace clang;
-void FileSystemStatCache::anchor() { }
+void FileSystemStatCache::anchor() {}
static void copyStatusToFileData(const vfs::Status &Status,
FileData &Data) {
Modified: cfe/trunk/lib/Basic/ObjCRuntime.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/ObjCRuntime.cpp?rev=328735&r1=328734&r2=328735&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/ObjCRuntime.cpp (original)
+++ cfe/trunk/lib/Basic/ObjCRuntime.cpp Wed Mar 28 15:09:09 2018
@@ -1,4 +1,4 @@
-//===- ObjCRuntime.cpp - Objective-C Runtime Handling -----------*- C++
-*-===//
+//===- ObjCRuntime.cpp - Objective-C Runtime Handling
---------------------===//
//
// The LLVM Compiler Infrastructure
//
@@ -11,8 +11,13 @@
// target Objective-C runtime.
//
//===----------------------------------------------------------------------===//
+
#include "clang/Basic/ObjCRuntime.h"
+#include "clang/Basic/VersionTuple.h"
+#include "llvm/ADT/StringRef.h"
#include "llvm/Support/raw_ostream.h"
+#include <cstddef>
+#include <string>
using namespace clang;
Modified: cfe/trunk/lib/Basic/Sanitizers.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Sanitizers.cpp?rev=328735&r1=328734&r2=328735&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Sanitizers.cpp (original)
+++ cfe/trunk/lib/Basic/Sanitizers.cpp Wed Mar 28 15:09:09 2018
@@ -1,4 +1,4 @@
-//===--- Sanitizers.cpp - C Language Family Language Options ----*- C++
-*-===//
+//===- Sanitizers.cpp - C Language Family Language Options
----------------===//
//
// The LLVM Compiler Infrastructure
//
@@ -10,9 +10,8 @@
// This file defines the classes from Sanitizers.h
//
//===----------------------------------------------------------------------===//
+
#include "clang/Basic/Sanitizers.h"
-#include "clang/Basic/LLVM.h"
-#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
using namespace clang;
Modified: cfe/trunk/lib/Basic/VirtualFileSystem.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/VirtualFileSystem.cpp?rev=328735&r1=328734&r2=328735&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/VirtualFileSystem.cpp (original)
+++ cfe/trunk/lib/Basic/VirtualFileSystem.cpp Wed Mar 28 15:09:09 2018
@@ -1,4 +1,4 @@
-//===- VirtualFileSystem.cpp - Virtual File System Layer --------*- C++
-*-===//
+//===- VirtualFileSystem.cpp - Virtual File System Layer
------------------===//
//
// The LLVM Compiler Infrastructure
//
@@ -6,30 +6,57 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
+//
// This file implements the VirtualFileSystem interface.
+//
//===----------------------------------------------------------------------===//
#include "clang/Basic/VirtualFileSystem.h"
-#include "clang/Basic/FileManager.h"
+#include "clang/Basic/LLVM.h"
+#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/IntrusiveRefCntPtr.h"
+#include "llvm/ADT/Optional.h"
#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSet.h"
+#include "llvm/ADT/Twine.h"
#include "llvm/ADT/iterator_range.h"
#include "llvm/Config/llvm-config.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/Casting.h"
+#include "llvm/Support/Chrono.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Errc.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/ErrorOr.h"
+#include "llvm/Support/FileSystem.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Process.h"
+#include "llvm/Support/SMLoc.h"
+#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/YAMLParser.h"
+#include "llvm/Support/raw_ostream.h"
+#include <algorithm>
#include <atomic>
+#include <cassert>
+#include <cstdint>
+#include <iterator>
+#include <limits>
+#include <map>
#include <memory>
+#include <string>
+#include <system_error>
#include <utility>
+#include <vector>
using namespace clang;
-using namespace clang::vfs;
+using namespace vfs;
using namespace llvm;
+
using llvm::sys::fs::file_status;
using llvm::sys::fs::file_type;
using llvm::sys::fs::perms;
@@ -38,13 +65,13 @@ using llvm::sys::fs::UniqueID;
Status::Status(const file_status &Status)
: UID(Status.getUniqueID()), MTime(Status.getLastModificationTime()),
User(Status.getUser()), Group(Status.getGroup()), Size(Status.getSize()),
- Type(Status.type()), Perms(Status.permissions()), IsVFSMapped(false) {}
+ Type(Status.type()), Perms(Status.permissions()) {}
Status::Status(StringRef Name, UniqueID UID, sys::TimePoint<> MTime,
uint32_t User, uint32_t Group, uint64_t Size, file_type Type,
perms Perms)
: Name(Name), UID(UID), MTime(MTime), User(User), Group(Group), Size(Size),
- Type(Type), Perms(Perms), IsVFSMapped(false) {}
+ Type(Type), Perms(Perms) {}
Status Status::copyWithNewName(const Status &In, StringRef NewName) {
return Status(NewName, In.getUniqueID(), In.getLastModificationTime(),
@@ -62,28 +89,34 @@ bool Status::equivalent(const Status &Ot
assert(isStatusKnown() && Other.isStatusKnown());
return getUniqueID() == Other.getUniqueID();
}
+
bool Status::isDirectory() const {
return Type == file_type::directory_file;
}
+
bool Status::isRegularFile() const {
return Type == file_type::regular_file;
}
+
bool Status::isOther() const {
return exists() && !isRegularFile() && !isDirectory() && !isSymlink();
}
+
bool Status::isSymlink() const {
return Type == file_type::symlink_file;
}
+
bool Status::isStatusKnown() const {
return Type != file_type::status_error;
}
+
bool Status::exists() const {
return isStatusKnown() && Type != file_type::file_not_found;
}
-File::~File() {}
+File::~File() = default;
-FileSystem::~FileSystem() {}
+FileSystem::~FileSystem() = default;
ErrorOr<std::unique_ptr<MemoryBuffer>>
FileSystem::getBufferForFile(const llvm::Twine &Name, int64_t FileSize,
@@ -97,7 +130,7 @@ FileSystem::getBufferForFile(const llvm:
std::error_code FileSystem::makeAbsolute(SmallVectorImpl<char> &Path) const {
if (llvm::sys::path::is_absolute(Path))
- return std::error_code();
+ return {};
auto WorkingDir = getCurrentWorkingDirectory();
if (!WorkingDir)
@@ -118,6 +151,7 @@ static bool isTraversalComponent(StringR
static bool pathHasTraversal(StringRef Path) {
using namespace llvm::sys;
+
for (StringRef Comp : llvm::make_range(path::begin(Path), path::end(Path)))
if (isTraversalComponent(Comp))
return true;
@@ -130,12 +164,15 @@ static bool pathHasTraversal(StringRef P
//===-----------------------------------------------------------------------===/
namespace {
+
/// \brief Wrapper around a raw file descriptor.
class RealFile : public File {
+ friend class RealFileSystem;
+
int FD;
Status S;
std::string RealName;
- friend class RealFileSystem;
+
RealFile(int FD, StringRef NewName, StringRef NewRealPathName)
: FD(FD), S(NewName, {}, {}, {}, {}, {},
llvm::sys::fs::file_type::status_error, {}),
@@ -145,6 +182,7 @@ class RealFile : public File {
public:
~RealFile() override;
+
ErrorOr<Status> status() override;
ErrorOr<std::string> getName() override;
ErrorOr<std::unique_ptr<MemoryBuffer>> getBuffer(const Twine &Name,
@@ -153,7 +191,9 @@ public:
bool IsVolatile) override;
std::error_code close() override;
};
-} // end anonymous namespace
+
+} // namespace
+
RealFile::~RealFile() { close(); }
ErrorOr<Status> RealFile::status() {
@@ -186,6 +226,7 @@ std::error_code RealFile::close() {
}
namespace {
+
/// \brief The file system according to your operating system.
class RealFileSystem : public FileSystem {
public:
@@ -196,7 +237,8 @@ public:
llvm::ErrorOr<std::string> getCurrentWorkingDirectory() const override;
std::error_code setCurrentWorkingDirectory(const Twine &Path) override;
};
-} // end anonymous namespace
+
+} // namespace
ErrorOr<Status> RealFileSystem::status(const Twine &Path) {
sys::fs::file_status RealStatus;
@@ -238,8 +280,10 @@ IntrusiveRefCntPtr<FileSystem> vfs::getR
}
namespace {
+
class RealFSDirIter : public clang::vfs::detail::DirIterImpl {
llvm::sys::fs::directory_iterator Iter;
+
public:
RealFSDirIter(const Twine &Path, std::error_code &EC) : Iter(Path, EC) {
if (!EC && Iter != llvm::sys::fs::directory_iterator()) {
@@ -264,7 +308,8 @@ public:
return EC;
}
};
-}
+
+} // namespace
directory_iterator RealFileSystem::dir_begin(const Twine &Dir,
std::error_code &EC) {
@@ -274,6 +319,7 @@ directory_iterator RealFileSystem::dir_b
//===-----------------------------------------------------------------------===/
// OverlayFileSystem implementation
//===-----------------------------------------------------------------------===/
+
OverlayFileSystem::OverlayFileSystem(IntrusiveRefCntPtr<FileSystem> BaseFS) {
FSList.push_back(std::move(BaseFS));
}
@@ -311,17 +357,19 @@ OverlayFileSystem::getCurrentWorkingDire
// All file systems are synchronized, just take the first working directory.
return FSList.front()->getCurrentWorkingDirectory();
}
+
std::error_code
OverlayFileSystem::setCurrentWorkingDirectory(const Twine &Path) {
for (auto &FS : FSList)
if (std::error_code EC = FS->setCurrentWorkingDirectory(Path))
return EC;
- return std::error_code();
+ return {};
}
-clang::vfs::detail::DirIterImpl::~DirIterImpl() { }
+clang::vfs::detail::DirIterImpl::~DirIterImpl() = default;
namespace {
+
class OverlayFSDirIterImpl : public clang::vfs::detail::DirIterImpl {
OverlayFileSystem &Overlays;
std::string Path;
@@ -340,7 +388,7 @@ class OverlayFSDirIterImpl : public clan
if (CurrentDirIter != directory_iterator())
break; // found
}
- return std::error_code();
+ return {};
}
std::error_code incrementDirIter(bool IsFirstTime) {
@@ -379,7 +427,8 @@ public:
std::error_code increment() override { return incrementImpl(false); }
};
-} // end anonymous namespace
+
+} // namespace
directory_iterator OverlayFileSystem::dir_begin(const Twine &Dir,
std::error_code &EC) {
@@ -389,6 +438,7 @@ directory_iterator OverlayFileSystem::di
namespace clang {
namespace vfs {
+
namespace detail {
enum InMemoryNodeKind { IME_File, IME_Directory };
@@ -402,13 +452,15 @@ class InMemoryNode {
public:
InMemoryNode(Status Stat, InMemoryNodeKind Kind)
: Stat(std::move(Stat)), Kind(Kind) {}
- virtual ~InMemoryNode() {}
+ virtual ~InMemoryNode() = default;
+
const Status &getStatus() const { return Stat; }
InMemoryNodeKind getKind() const { return Kind; }
virtual std::string toString(unsigned Indent) const = 0;
};
namespace {
+
class InMemoryFile : public InMemoryNode {
std::unique_ptr<llvm::MemoryBuffer> Buffer;
@@ -417,9 +469,11 @@ public:
: InMemoryNode(std::move(Stat), IME_File), Buffer(std::move(Buffer)) {}
llvm::MemoryBuffer *getBuffer() { return Buffer.get(); }
+
std::string toString(unsigned Indent) const override {
return (std::string(Indent, ' ') + getStatus().getName() + "\n").str();
}
+
static bool classof(const InMemoryNode *N) {
return N->getKind() == IME_File;
}
@@ -433,6 +487,7 @@ public:
explicit InMemoryFileAdaptor(InMemoryFile &Node) : Node(Node) {}
llvm::ErrorOr<Status> status() override { return Node.getStatus(); }
+
llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>
getBuffer(const Twine &Name, int64_t FileSize, bool RequiresNullTerminator,
bool IsVolatile) override {
@@ -440,9 +495,11 @@ public:
return llvm::MemoryBuffer::getMemBuffer(
Buf->getBuffer(), Buf->getBufferIdentifier(), RequiresNullTerminator);
}
- std::error_code close() override { return std::error_code(); }
+
+ std::error_code close() override { return {}; }
};
-} // end anonymous namespace
+
+} // namespace
class InMemoryDirectory : public InMemoryNode {
std::map<std::string, std::unique_ptr<InMemoryNode>> Entries;
@@ -450,34 +507,38 @@ class InMemoryDirectory : public InMemor
public:
InMemoryDirectory(Status Stat)
: InMemoryNode(std::move(Stat), IME_Directory) {}
+
InMemoryNode *getChild(StringRef Name) {
auto I = Entries.find(Name);
if (I != Entries.end())
return I->second.get();
return nullptr;
}
+
InMemoryNode *addChild(StringRef Name, std::unique_ptr<InMemoryNode> Child) {
return Entries.insert(make_pair(Name, std::move(Child)))
.first->second.get();
}
- typedef decltype(Entries)::const_iterator const_iterator;
+ using const_iterator = decltype(Entries)::const_iterator;
+
const_iterator begin() const { return Entries.begin(); }
const_iterator end() const { return Entries.end(); }
std::string toString(unsigned Indent) const override {
std::string Result =
(std::string(Indent, ' ') + getStatus().getName() + "\n").str();
- for (const auto &Entry : Entries) {
+ for (const auto &Entry : Entries)
Result += Entry.second->toString(Indent + 2);
- }
return Result;
}
+
static bool classof(const InMemoryNode *N) {
return N->getKind() == IME_Directory;
}
};
-}
+
+} // namespace detail
InMemoryFileSystem::InMemoryFileSystem(bool UseNormalizedPaths)
: Root(new detail::InMemoryDirectory(
@@ -486,7 +547,7 @@ InMemoryFileSystem::InMemoryFileSystem(b
llvm::sys::fs::perms::all_all))),
UseNormalizedPaths(UseNormalizedPaths) {}
-InMemoryFileSystem::~InMemoryFileSystem() {}
+InMemoryFileSystem::~InMemoryFileSystem() = default;
std::string InMemoryFileSystem::toString() const {
return Root->toString(/*Indent=*/0);
@@ -645,13 +706,15 @@ InMemoryFileSystem::openFileForRead(cons
}
namespace {
+
/// Adaptor from InMemoryDir::iterator to directory_iterator.
class InMemoryDirIterator : public clang::vfs::detail::DirIterImpl {
detail::InMemoryDirectory::const_iterator I;
detail::InMemoryDirectory::const_iterator E;
public:
- InMemoryDirIterator() {}
+ InMemoryDirIterator() = default;
+
explicit InMemoryDirIterator(detail::InMemoryDirectory &Dir)
: I(Dir.begin()), E(Dir.end()) {
if (I != E)
@@ -663,10 +726,11 @@ public:
// When we're at the end, make CurrentEntry invalid and DirIterImpl will do
// the rest.
CurrentEntry = I != E ? I->second->getStatus() : Status();
- return std::error_code();
+ return {};
}
};
-} // end anonymous namespace
+
+} // namespace
directory_iterator InMemoryFileSystem::dir_begin(const Twine &Dir,
std::error_code &EC) {
@@ -697,11 +761,12 @@ std::error_code InMemoryFileSystem::setC
if (!Path.empty())
WorkingDirectory = Path.str();
- return std::error_code();
-}
-}
+ return {};
}
+} // namespace vfs
+} // namespace clang
+
//===-----------------------------------------------------------------------===/
// RedirectingFileSystem implementation
//===-----------------------------------------------------------------------===/
@@ -719,8 +784,9 @@ class Entry {
std::string Name;
public:
- virtual ~Entry();
Entry(EntryKind K, StringRef Name) : Kind(K), Name(Name) {}
+ virtual ~Entry() = default;
+
StringRef getName() const { return Name; }
EntryKind getKind() const { return Kind; }
};
@@ -737,14 +803,20 @@ public:
S(std::move(S)) {}
RedirectingDirectoryEntry(StringRef Name, Status S)
: Entry(EK_Directory, Name), S(std::move(S)) {}
+
Status getStatus() { return S; }
+
void addContent(std::unique_ptr<Entry> Content) {
Contents.push_back(std::move(Content));
}
+
Entry *getLastContent() const { return Contents.back().get(); }
- typedef decltype(Contents)::iterator iterator;
+
+ using iterator = decltype(Contents)::iterator;
+
iterator contents_begin() { return Contents.begin(); }
iterator contents_end() { return Contents.end(); }
+
static bool classof(const Entry *E) { return E->getKind() == EK_Directory; }
};
@@ -755,21 +827,27 @@ public:
NK_External,
NK_Virtual
};
+
private:
std::string ExternalContentsPath;
NameKind UseName;
+
public:
RedirectingFileEntry(StringRef Name, StringRef ExternalContentsPath,
NameKind UseName)
: Entry(EK_File, Name), ExternalContentsPath(ExternalContentsPath),
UseName(UseName) {}
+
StringRef getExternalContentsPath() const { return ExternalContentsPath; }
+
/// \brief whether to use the external path as the name for this file.
bool useExternalName(bool GlobalUseExternalName) const {
return UseName == NK_NotSet ? GlobalUseExternalName
: (UseName == NK_External);
}
+
NameKind getUseName() const { return UseName; }
+
static bool classof(const Entry *E) { return E->getKind() == EK_File; }
};
@@ -785,6 +863,7 @@ public:
RedirectingDirectoryEntry::iterator Begin,
RedirectingDirectoryEntry::iterator End,
std::error_code &EC);
+
std::error_code increment() override;
};
@@ -844,10 +923,14 @@ public:
/// /path/to/file). However, any directory that contains more than one child
/// must be uniquely represented by a directory entry.
class RedirectingFileSystem : public vfs::FileSystem {
+ friend class RedirectingFileSystemParser;
+
/// The root(s) of the virtual file system.
std::vector<std::unique_ptr<Entry>> Roots;
+
/// \brief The file system to use for external references.
IntrusiveRefCntPtr<FileSystem> ExternalFS;
+
/// If IsRelativeOverlay is set, this represents the directory
/// path that should be prefixed to each 'external-contents' entry
/// when reading from YAML files.
@@ -888,8 +971,6 @@ class RedirectingFileSystem : public vfs
true;
#endif
- friend class RedirectingFileSystemParser;
-
private:
RedirectingFileSystem(IntrusiveRefCntPtr<FileSystem> ExternalFS)
: ExternalFS(std::move(ExternalFS)) {}
@@ -919,6 +1000,7 @@ public:
llvm::ErrorOr<std::string> getCurrentWorkingDirectory() const override {
return ExternalFS->getCurrentWorkingDirectory();
}
+
std::error_code setCurrentWorkingDirectory(const Twine &Path) override {
return ExternalFS->setCurrentWorkingDirectory(Path);
}
@@ -927,17 +1009,17 @@ public:
ErrorOr<Entry *> E = lookupPath(Dir);
if (!E) {
EC = E.getError();
- return directory_iterator();
+ return {};
}
ErrorOr<Status> S = status(Dir, *E);
if (!S) {
EC = S.getError();
- return directory_iterator();
+ return {};
}
if (!S->isDirectory()) {
EC = std::error_code(static_cast<int>(errc::not_a_directory),
std::system_category());
- return directory_iterator();
+ return {};
}
auto *D = cast<RedirectingDirectoryEntry>(*E);
@@ -959,7 +1041,7 @@ public:
#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
LLVM_DUMP_METHOD void dump() const {
- for (const std::unique_ptr<Entry> &Root : Roots)
+ for (const auto &Root : Roots)
dumpEntry(Root.get());
}
@@ -979,7 +1061,6 @@ LLVM_DUMP_METHOD void dumpEntry(Entry *E
}
}
#endif
-
};
/// \brief A helper class to hold the common YAML parsing state.
@@ -993,7 +1074,8 @@ class RedirectingFileSystemParser {
// false on error
bool parseScalarString(yaml::Node *N, StringRef &Result,
SmallVectorImpl<char> &Storage) {
- yaml::ScalarNode *S = dyn_cast<yaml::ScalarNode>(N);
+ const auto *S = dyn_cast<yaml::ScalarNode>(N);
+
if (!S) {
error(N, "expected string");
return false;
@@ -1024,11 +1106,13 @@ class RedirectingFileSystemParser {
}
struct KeyStatus {
- KeyStatus(bool Required=false) : Required(Required), Seen(false) {}
bool Required;
- bool Seen;
+ bool Seen = false;
+
+ KeyStatus(bool Required = false) : Required(Required) {}
};
- typedef std::pair<StringRef, KeyStatus> KeyStatusPair;
+
+ using KeyStatusPair = std::pair<StringRef, KeyStatus>;
// false on error
bool checkDuplicateOrUnknownKey(yaml::Node *KeyNode, StringRef Key,
@@ -1048,11 +1132,9 @@ class RedirectingFileSystemParser {
// false on error
bool checkMissingKeys(yaml::Node *Obj, DenseMap<StringRef, KeyStatus> &Keys)
{
- for (DenseMap<StringRef, KeyStatus>::iterator I = Keys.begin(),
- E = Keys.end();
- I != E; ++I) {
- if (I->second.Required && !I->second.Seen) {
- error(Obj, Twine("missing key '") + I->first + "'");
+ for (const auto &I : Keys) {
+ if (I.second.Required && !I.second.Seen) {
+ error(Obj, Twine("missing key '") + I.first + "'");
return false;
}
}
@@ -1062,7 +1144,7 @@ class RedirectingFileSystemParser {
Entry *lookupOrCreateEntry(RedirectingFileSystem *FS, StringRef Name,
Entry *ParentEntry = nullptr) {
if (!ParentEntry) { // Look for a existent root
- for (const std::unique_ptr<Entry> &Root : FS->Roots) {
+ for (const auto &Root : FS->Roots) {
if (Name.equals(Root->getName())) {
ParentEntry = Root.get();
return ParentEntry;
@@ -1125,7 +1207,7 @@ class RedirectingFileSystemParser {
}
std::unique_ptr<Entry> parseEntry(yaml::Node *N, RedirectingFileSystem *FS) {
- yaml::MappingNode *M = dyn_cast<yaml::MappingNode>(N);
+ auto *M = dyn_cast<yaml::MappingNode>(N);
if (!M) {
error(N, "expected mapping node for file or directory entry");
return nullptr;
@@ -1148,21 +1230,20 @@ class RedirectingFileSystemParser {
auto UseExternalName = RedirectingFileEntry::NK_NotSet;
EntryKind Kind;
- for (yaml::MappingNode::iterator I = M->begin(), E = M->end(); I != E;
- ++I) {
+ for (auto &I : *M) {
StringRef Key;
// Reuse the buffer for key and value, since we don't look at key after
// parsing value.
SmallString<256> Buffer;
- if (!parseScalarString(I->getKey(), Key, Buffer))
+ if (!parseScalarString(I.getKey(), Key, Buffer))
return nullptr;
- if (!checkDuplicateOrUnknownKey(I->getKey(), Key, Keys))
+ if (!checkDuplicateOrUnknownKey(I.getKey(), Key, Keys))
return nullptr;
StringRef Value;
if (Key == "name") {
- if (!parseScalarString(I->getValue(), Value, Buffer))
+ if (!parseScalarString(I.getValue(), Value, Buffer))
return nullptr;
if (FS->UseCanonicalizedPaths) {
@@ -1176,47 +1257,44 @@ class RedirectingFileSystemParser {
Name = Value;
}
} else if (Key == "type") {
- if (!parseScalarString(I->getValue(), Value, Buffer))
+ if (!parseScalarString(I.getValue(), Value, Buffer))
return nullptr;
if (Value == "file")
Kind = EK_File;
else if (Value == "directory")
Kind = EK_Directory;
else {
- error(I->getValue(), "unknown value for 'type'");
+ error(I.getValue(), "unknown value for 'type'");
return nullptr;
}
} else if (Key == "contents") {
if (HasContents) {
- error(I->getKey(),
+ error(I.getKey(),
"entry already has 'contents' or 'external-contents'");
return nullptr;
}
HasContents = true;
- yaml::SequenceNode *Contents =
- dyn_cast<yaml::SequenceNode>(I->getValue());
+ auto *Contents = dyn_cast<yaml::SequenceNode>(I.getValue());
if (!Contents) {
// FIXME: this is only for directories, what about files?
- error(I->getValue(), "expected array");
+ error(I.getValue(), "expected array");
return nullptr;
}
- for (yaml::SequenceNode::iterator I = Contents->begin(),
- E = Contents->end();
- I != E; ++I) {
- if (std::unique_ptr<Entry> E = parseEntry(&*I, FS))
+ for (auto &I : *Contents) {
+ if (std::unique_ptr<Entry> E = parseEntry(&I, FS))
EntryArrayContents.push_back(std::move(E));
else
return nullptr;
}
} else if (Key == "external-contents") {
if (HasContents) {
- error(I->getKey(),
+ error(I.getKey(),
"entry already has 'contents' or 'external-contents'");
return nullptr;
}
HasContents = true;
- if (!parseScalarString(I->getValue(), Value, Buffer))
+ if (!parseScalarString(I.getValue(), Value, Buffer))
return nullptr;
SmallString<256> FullPath;
@@ -1238,7 +1316,7 @@ class RedirectingFileSystemParser {
ExternalContentsPath = FullPath.str();
} else if (Key == "use-external-name") {
bool Val;
- if (!parseScalarBool(I->getValue(), Val))
+ if (!parseScalarBool(I.getValue(), Val))
return nullptr;
UseExternalName = Val ? RedirectingFileEntry::NK_External
: RedirectingFileEntry::NK_Virtual;
@@ -1311,7 +1389,7 @@ public:
// false on error
bool parse(yaml::Node *Root, RedirectingFileSystem *FS) {
- yaml::MappingNode *Top = dyn_cast<yaml::MappingNode>(Root);
+ auto *Top = dyn_cast<yaml::MappingNode>(Root);
if (!Top) {
error(Root, "expected mapping node");
return false;
@@ -1330,26 +1408,24 @@ public:
std::vector<std::unique_ptr<Entry>> RootEntries;
// Parse configuration and 'roots'
- for (yaml::MappingNode::iterator I = Top->begin(), E = Top->end(); I != E;
- ++I) {
+ for (auto &I : *Top) {
SmallString<10> KeyBuffer;
StringRef Key;
- if (!parseScalarString(I->getKey(), Key, KeyBuffer))
+ if (!parseScalarString(I.getKey(), Key, KeyBuffer))
return false;
- if (!checkDuplicateOrUnknownKey(I->getKey(), Key, Keys))
+ if (!checkDuplicateOrUnknownKey(I.getKey(), Key, Keys))
return false;
if (Key == "roots") {
- yaml::SequenceNode *Roots =
dyn_cast<yaml::SequenceNode>(I->getValue());
+ auto *Roots = dyn_cast<yaml::SequenceNode>(I.getValue());
if (!Roots) {
- error(I->getValue(), "expected array");
+ error(I.getValue(), "expected array");
return false;
}
- for (yaml::SequenceNode::iterator I = Roots->begin(), E = Roots->end();
- I != E; ++I) {
- if (std::unique_ptr<Entry> E = parseEntry(&*I, FS))
+ for (auto &I : *Roots) {
+ if (std::unique_ptr<Entry> E = parseEntry(&I, FS))
RootEntries.push_back(std::move(E));
else
return false;
@@ -1357,32 +1433,32 @@ public:
} else if (Key == "version") {
StringRef VersionString;
SmallString<4> Storage;
- if (!parseScalarString(I->getValue(), VersionString, Storage))
+ if (!parseScalarString(I.getValue(), VersionString, Storage))
return false;
int Version;
if (VersionString.getAsInteger<int>(10, Version)) {
- error(I->getValue(), "expected integer");
+ error(I.getValue(), "expected integer");
return false;
}
if (Version < 0) {
- error(I->getValue(), "invalid version number");
+ error(I.getValue(), "invalid version number");
return false;
}
if (Version != 0) {
- error(I->getValue(), "version mismatch, expected 0");
+ error(I.getValue(), "version mismatch, expected 0");
return false;
}
} else if (Key == "case-sensitive") {
- if (!parseScalarBool(I->getValue(), FS->CaseSensitive))
+ if (!parseScalarBool(I.getValue(), FS->CaseSensitive))
return false;
} else if (Key == "overlay-relative") {
- if (!parseScalarBool(I->getValue(), FS->IsRelativeOverlay))
+ if (!parseScalarBool(I.getValue(), FS->IsRelativeOverlay))
return false;
} else if (Key == "use-external-names") {
- if (!parseScalarBool(I->getValue(), FS->UseExternalNames))
+ if (!parseScalarBool(I.getValue(), FS->UseExternalNames))
return false;
} else if (Key == "ignore-non-existent-contents") {
- if (!parseScalarBool(I->getValue(), FS->IgnoreNonExistentContents))
+ if (!parseScalarBool(I.getValue(), FS->IgnoreNonExistentContents))
return false;
} else {
llvm_unreachable("key missing from Keys");
@@ -1398,22 +1474,20 @@ public:
// Now that we sucessefully parsed the YAML file, canonicalize the internal
// representation to a proper directory tree so that we can search faster
// inside the VFS.
- for (std::unique_ptr<Entry> &E : RootEntries)
+ for (auto &E : RootEntries)
uniqueOverlayTree(FS, E.get());
return true;
}
};
-} // end of anonymous namespace
-Entry::~Entry() = default;
+} // namespace
RedirectingFileSystem *
RedirectingFileSystem::create(std::unique_ptr<MemoryBuffer> Buffer,
SourceMgr::DiagHandlerTy DiagHandler,
StringRef YAMLFilePath, void *DiagContext,
IntrusiveRefCntPtr<FileSystem> ExternalFS) {
-
SourceMgr SM;
yaml::Stream Stream(Buffer->getMemBufferRef(), SM);
@@ -1473,7 +1547,7 @@ ErrorOr<Entry *> RedirectingFileSystem::
sys::path::const_iterator Start = sys::path::begin(Path);
sys::path::const_iterator End = sys::path::end(Path);
- for (const std::unique_ptr<Entry> &Root : Roots) {
+ for (const auto &Root : Roots) {
ErrorOr<Entry *> Result = lookupPath(Start, End, Root.get());
if (Result || Result.getError() != llvm::errc::no_such_file_or_directory)
return Result;
@@ -1557,6 +1631,7 @@ ErrorOr<Status> RedirectingFileSystem::s
}
namespace {
+
/// Provide a file wrapper with an overriden status.
class FileWithFixedStatus : public File {
std::unique_ptr<File> InnerFile;
@@ -1568,14 +1643,17 @@ public:
ErrorOr<Status> status() override { return S; }
ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>
+
getBuffer(const Twine &Name, int64_t FileSize, bool RequiresNullTerminator,
bool IsVolatile) override {
return InnerFile->getBuffer(Name, FileSize, RequiresNullTerminator,
IsVolatile);
}
+
std::error_code close() override { return InnerFile->close(); }
};
-} // end anonymous namespace
+
+} // namespace
ErrorOr<std::unique_ptr<File>>
RedirectingFileSystem::openFileForRead(const Twine &Path) {
@@ -1670,11 +1748,13 @@ void YAMLVFSWriter::addFileMapping(Strin
}
namespace {
+
class JSONWriter {
llvm::raw_ostream &OS;
SmallVector<StringRef, 16> DirStack;
- inline unsigned getDirIndent() { return 4 * DirStack.size(); }
- inline unsigned getFileIndent() { return 4 * (DirStack.size() + 1); }
+
+ unsigned getDirIndent() { return 4 * DirStack.size(); }
+ unsigned getFileIndent() { return 4 * (DirStack.size() + 1); }
bool containedIn(StringRef Parent, StringRef Path);
StringRef containedPart(StringRef Parent, StringRef Path);
void startDirectory(StringRef Path);
@@ -1683,14 +1763,17 @@ class JSONWriter {
public:
JSONWriter(llvm::raw_ostream &OS) : OS(OS) {}
+
void write(ArrayRef<YAMLVFSEntry> Entries, Optional<bool> UseExternalNames,
Optional<bool> IsCaseSensitive, Optional<bool> IsOverlayRelative,
Optional<bool> IgnoreNonExistentContents, StringRef OverlayDir);
};
-}
+
+} // namespace
bool JSONWriter::containedIn(StringRef Parent, StringRef Path) {
using namespace llvm::sys;
+
// Compare each path component.
auto IParent = path::begin(Parent), EParent = path::end(Parent);
for (auto IChild = path::begin(Path), EChild = path::end(Path);
@@ -1868,7 +1951,7 @@ std::error_code VFSFromYamlDirIterImpl::
if (Current == End)
CurrentEntry = Status();
- return std::error_code();
+ return {};
}
vfs::recursive_directory_iterator::recursive_directory_iterator(FileSystem
&FS_,
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