1 files changed, 183 insertions, 183 deletions
diff --git a/llvm/include/llvm/Support/MemoryBuffer.h b/llvm/include/llvm/Support/MemoryBuffer.h
index 9709366c021..f739d19907b 100644
--- a/llvm/include/llvm/Support/MemoryBuffer.h
+++ b/llvm/include/llvm/Support/MemoryBuffer.h
@@ -1,183 +1,183 @@
-//===--- MemoryBuffer.h - Memory Buffer Interface ---------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-//  This file defines the MemoryBuffer interface.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_SUPPORT_MEMORYBUFFER_H
-#define LLVM_SUPPORT_MEMORYBUFFER_H
-
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/Support/CBindingWrapping.h"
-#include "llvm/Support/ErrorOr.h"
-#include "llvm-c/Types.h"
-#include <memory>
-#include <cstddef>
-#include <cstdint>
-
-namespace llvm {
-
-class MemoryBufferRef;
-
-/// This interface provides simple read-only access to a block of memory, and
-/// provides simple methods for reading files and standard input into a memory
-/// buffer.  In addition to basic access to the characters in the file, this
-/// interface guarantees you can read one character past the end of the file,
-/// and that this character will read as '\0'.
-///
-/// The '\0' guarantee is needed to support an optimization -- it's intended to
-/// be more efficient for clients which are reading all the data to stop
-/// reading when they encounter a '\0' than to continually check the file
-/// position to see if it has reached the end of the file.
-class MemoryBuffer {
-  const char *BufferStart; // Start of the buffer.
-  const char *BufferEnd;   // End of the buffer.
-
-
-protected:
-  MemoryBuffer() = default;
-
-  void init(const char *BufStart, const char *BufEnd,
-            bool RequiresNullTerminator);
-public:
-  MemoryBuffer(const MemoryBuffer &) = delete;
-  MemoryBuffer &operator=(const MemoryBuffer &) = delete;
-  virtual ~MemoryBuffer();
-
-  const char *getBufferStart() const { return BufferStart; }
-  const char *getBufferEnd() const   { return BufferEnd; }
-  size_t getBufferSize() const { return BufferEnd-BufferStart; }
-
-  StringRef getBuffer() const {
-    return StringRef(BufferStart, getBufferSize());
-  }
-
-  /// Return an identifier for this buffer, typically the filename it was read
-  /// from.
-  virtual StringRef getBufferIdentifier() const { return "Unknown buffer"; }
-
-  /// Open the specified file as a MemoryBuffer, returning a new MemoryBuffer
-  /// if successful, otherwise returning null. If FileSize is specified, this
-  /// means that the client knows that the file exists and that it has the
-  /// specified size.
-  ///
-  /// \param IsVolatileSize Set to true to indicate that the file size may be
-  /// changing, e.g. when libclang tries to parse while the user is
-  /// editing/updating the file.
-  static ErrorOr<std::unique_ptr<MemoryBuffer>>
-  getFile(const Twine &Filename, int64_t FileSize = -1,
-          bool RequiresNullTerminator = true, bool IsVolatileSize = false);
-
-  /// Read all of the specified file into a MemoryBuffer as a stream
-  /// (i.e. until EOF reached). This is useful for special files that
-  /// look like a regular file but have 0 size (e.g. /proc/cpuinfo on Linux).
-  static ErrorOr<std::unique_ptr<MemoryBuffer>>
-  getFileAsStream(const Twine &Filename);
-
-  /// Given an already-open file descriptor, map some slice of it into a
-  /// MemoryBuffer. The slice is specified by an \p Offset and \p MapSize.
-  /// Since this is in the middle of a file, the buffer is not null terminated.
-  static ErrorOr<std::unique_ptr<MemoryBuffer>>
-  getOpenFileSlice(int FD, const Twine &Filename, uint64_t MapSize,
-                   int64_t Offset);
-
-  /// Given an already-open file descriptor, read the file and return a
-  /// MemoryBuffer.
-  ///
-  /// \param IsVolatileSize Set to true to indicate that the file size may be
-  /// changing, e.g. when libclang tries to parse while the user is
-  /// editing/updating the file.
-  static ErrorOr<std::unique_ptr<MemoryBuffer>>
-  getOpenFile(int FD, const Twine &Filename, uint64_t FileSize,
-              bool RequiresNullTerminator = true, bool IsVolatileSize = false);
-
-  /// Open the specified memory range as a MemoryBuffer. Note that InputData
-  /// must be null terminated if RequiresNullTerminator is true.
-  static std::unique_ptr<MemoryBuffer>
-  getMemBuffer(StringRef InputData, StringRef BufferName = "",
-               bool RequiresNullTerminator = true);
-
-  static std::unique_ptr<MemoryBuffer>
-  getMemBuffer(MemoryBufferRef Ref, bool RequiresNullTerminator = true);
-
-  /// Open the specified memory range as a MemoryBuffer, copying the contents
-  /// and taking ownership of it. InputData does not have to be null terminated.
-  static std::unique_ptr<MemoryBuffer>
-  getMemBufferCopy(StringRef InputData, const Twine &BufferName = "");
-
-  /// Allocate a new zero-initialized MemoryBuffer of the specified size. Note
-  /// that the caller need not initialize the memory allocated by this method.
-  /// The memory is owned by the MemoryBuffer object.
-  static std::unique_ptr<MemoryBuffer>
-  getNewMemBuffer(size_t Size, StringRef BufferName = "");
-
-  /// Allocate a new MemoryBuffer of the specified size that is not initialized.
-  /// Note that the caller should initialize the memory allocated by this
-  /// method. The memory is owned by the MemoryBuffer object.
-  static std::unique_ptr<MemoryBuffer>
-  getNewUninitMemBuffer(size_t Size, const Twine &BufferName = "");
-
-  /// Read all of stdin into a file buffer, and return it.
-  static ErrorOr<std::unique_ptr<MemoryBuffer>> getSTDIN();
-
-  /// Open the specified file as a MemoryBuffer, or open stdin if the Filename
-  /// is "-".
-  static ErrorOr<std::unique_ptr<MemoryBuffer>>
-  getFileOrSTDIN(const Twine &Filename, int64_t FileSize = -1,
-                 bool RequiresNullTerminator = true);
-
-  /// Map a subrange of the specified file as a MemoryBuffer.
-  static ErrorOr<std::unique_ptr<MemoryBuffer>>
-  getFileSlice(const Twine &Filename, uint64_t MapSize, uint64_t Offset);
-
-  //===--------------------------------------------------------------------===//
-  // Provided for performance analysis.
-  //===--------------------------------------------------------------------===//
-
-  /// The kind of memory backing used to support the MemoryBuffer.
-  enum BufferKind {
-    MemoryBuffer_Malloc,
-    MemoryBuffer_MMap
-  };
-
-  /// Return information on the memory mechanism used to support the
-  /// MemoryBuffer.
-  virtual BufferKind getBufferKind() const = 0;
-
-  MemoryBufferRef getMemBufferRef() const;
-};
-
-class MemoryBufferRef {
-  StringRef Buffer;
-  StringRef Identifier;
-
-public:
-  MemoryBufferRef() = default;
-  MemoryBufferRef(MemoryBuffer& Buffer)
-      : Buffer(Buffer.getBuffer()), Identifier(Buffer.getBufferIdentifier()) {}
-  MemoryBufferRef(StringRef Buffer, StringRef Identifier)
-      : Buffer(Buffer), Identifier(Identifier) {}
-
-  StringRef getBuffer() const { return Buffer; }
-
-  StringRef getBufferIdentifier() const { return Identifier; }
-
-  const char *getBufferStart() const { return Buffer.begin(); }
-  const char *getBufferEnd() const { return Buffer.end(); }
-  size_t getBufferSize() const { return Buffer.size(); }
-};
-
-// Create wrappers for C Binding types (see CBindingWrapping.h).
-DEFINE_SIMPLE_CONVERSION_FUNCTIONS(MemoryBuffer, LLVMMemoryBufferRef)
-
-} // end namespace llvm
-
-#endif // LLVM_SUPPORT_MEMORYBUFFER_H
+//===--- MemoryBuffer.h - Memory Buffer Interface ---------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file defines the MemoryBuffer interface.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_MEMORYBUFFER_H
+#define LLVM_SUPPORT_MEMORYBUFFER_H
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/Support/CBindingWrapping.h"
+#include "llvm/Support/ErrorOr.h"
+#include "llvm-c/Types.h"
+#include <memory>
+#include <cstddef>
+#include <cstdint>
+
+namespace llvm {
+
+class MemoryBufferRef;
+
+/// This interface provides simple read-only access to a block of memory, and
+/// provides simple methods for reading files and standard input into a memory
+/// buffer.  In addition to basic access to the characters in the file, this
+/// interface guarantees you can read one character past the end of the file,
+/// and that this character will read as '\0'.
+///
+/// The '\0' guarantee is needed to support an optimization -- it's intended to
+/// be more efficient for clients which are reading all the data to stop
+/// reading when they encounter a '\0' than to continually check the file
+/// position to see if it has reached the end of the file.
+class MemoryBuffer {
+  const char *BufferStart; // Start of the buffer.
+  const char *BufferEnd;   // End of the buffer.
+
+
+protected:
+  MemoryBuffer() = default;
+
+  void init(const char *BufStart, const char *BufEnd,
+            bool RequiresNullTerminator);
+public:
+  MemoryBuffer(const MemoryBuffer &) = delete;
+  MemoryBuffer &operator=(const MemoryBuffer &) = delete;
+  virtual ~MemoryBuffer();
+
+  const char *getBufferStart() const { return BufferStart; }
+  const char *getBufferEnd() const   { return BufferEnd; }
+  size_t getBufferSize() const { return BufferEnd-BufferStart; }
+
+  StringRef getBuffer() const {
+    return StringRef(BufferStart, getBufferSize());
+  }
+
+  /// Return an identifier for this buffer, typically the filename it was read
+  /// from.
+  virtual StringRef getBufferIdentifier() const { return "Unknown buffer"; }
+
+  /// Open the specified file as a MemoryBuffer, returning a new MemoryBuffer
+  /// if successful, otherwise returning null. If FileSize is specified, this
+  /// means that the client knows that the file exists and that it has the
+  /// specified size.
+  ///
+  /// \param IsVolatileSize Set to true to indicate that the file size may be
+  /// changing, e.g. when libclang tries to parse while the user is
+  /// editing/updating the file.
+  static ErrorOr<std::unique_ptr<MemoryBuffer>>
+  getFile(const Twine &Filename, int64_t FileSize = -1,
+          bool RequiresNullTerminator = true, bool IsVolatileSize = false);
+
+  /// Read all of the specified file into a MemoryBuffer as a stream
+  /// (i.e. until EOF reached). This is useful for special files that
+  /// look like a regular file but have 0 size (e.g. /proc/cpuinfo on Linux).
+  static ErrorOr<std::unique_ptr<MemoryBuffer>>
+  getFileAsStream(const Twine &Filename);
+
+  /// Given an already-open file descriptor, map some slice of it into a
+  /// MemoryBuffer. The slice is specified by an \p Offset and \p MapSize.
+  /// Since this is in the middle of a file, the buffer is not null terminated.
+  static ErrorOr<std::unique_ptr<MemoryBuffer>>
+  getOpenFileSlice(int FD, const Twine &Filename, uint64_t MapSize,
+                   int64_t Offset);
+
+  /// Given an already-open file descriptor, read the file and return a
+  /// MemoryBuffer.
+  ///
+  /// \param IsVolatileSize Set to true to indicate that the file size may be
+  /// changing, e.g. when libclang tries to parse while the user is
+  /// editing/updating the file.
+  static ErrorOr<std::unique_ptr<MemoryBuffer>>
+  getOpenFile(int FD, const Twine &Filename, uint64_t FileSize,
+              bool RequiresNullTerminator = true, bool IsVolatileSize = false);
+
+  /// Open the specified memory range as a MemoryBuffer. Note that InputData
+  /// must be null terminated if RequiresNullTerminator is true.
+  static std::unique_ptr<MemoryBuffer>
+  getMemBuffer(StringRef InputData, StringRef BufferName = "",
+               bool RequiresNullTerminator = true);
+
+  static std::unique_ptr<MemoryBuffer>
+  getMemBuffer(MemoryBufferRef Ref, bool RequiresNullTerminator = true);
+
+  /// Open the specified memory range as a MemoryBuffer, copying the contents
+  /// and taking ownership of it. InputData does not have to be null terminated.
+  static std::unique_ptr<MemoryBuffer>
+  getMemBufferCopy(StringRef InputData, const Twine &BufferName = "");
+
+  /// Allocate a new zero-initialized MemoryBuffer of the specified size. Note
+  /// that the caller need not initialize the memory allocated by this method.
+  /// The memory is owned by the MemoryBuffer object.
+  static std::unique_ptr<MemoryBuffer>
+  getNewMemBuffer(size_t Size, StringRef BufferName = "");
+
+  /// Allocate a new MemoryBuffer of the specified size that is not initialized.
+  /// Note that the caller should initialize the memory allocated by this
+  /// method. The memory is owned by the MemoryBuffer object.
+  static std::unique_ptr<MemoryBuffer>
+  getNewUninitMemBuffer(size_t Size, const Twine &BufferName = "");
+
+  /// Read all of stdin into a file buffer, and return it.
+  static ErrorOr<std::unique_ptr<MemoryBuffer>> getSTDIN();
+
+  /// Open the specified file as a MemoryBuffer, or open stdin if the Filename
+  /// is "-".
+  static ErrorOr<std::unique_ptr<MemoryBuffer>>
+  getFileOrSTDIN(const Twine &Filename, int64_t FileSize = -1,
+                 bool RequiresNullTerminator = true);
+
+  /// Map a subrange of the specified file as a MemoryBuffer.
+  static ErrorOr<std::unique_ptr<MemoryBuffer>>
+  getFileSlice(const Twine &Filename, uint64_t MapSize, uint64_t Offset);
+
+  //===--------------------------------------------------------------------===//
+  // Provided for performance analysis.
+  //===--------------------------------------------------------------------===//
+
+  /// The kind of memory backing used to support the MemoryBuffer.
+  enum BufferKind {
+    MemoryBuffer_Malloc,
+    MemoryBuffer_MMap
+  };
+
+  /// Return information on the memory mechanism used to support the
+  /// MemoryBuffer.
+  virtual BufferKind getBufferKind() const = 0;
+
+  MemoryBufferRef getMemBufferRef() const;
+};
+
+class MemoryBufferRef {
+  StringRef Buffer;
+  StringRef Identifier;
+
+public:
+  MemoryBufferRef() = default;
+  MemoryBufferRef(MemoryBuffer& Buffer)
+      : Buffer(Buffer.getBuffer()), Identifier(Buffer.getBufferIdentifier()) {}
+  MemoryBufferRef(StringRef Buffer, StringRef Identifier)
+      : Buffer(Buffer), Identifier(Identifier) {}
+
+  StringRef getBuffer() const { return Buffer; }
+
+  StringRef getBufferIdentifier() const { return Identifier; }
+
+  const char *getBufferStart() const { return Buffer.begin(); }
+  const char *getBufferEnd() const { return Buffer.end(); }
+  size_t getBufferSize() const { return Buffer.size(); }
+};
+
+// Create wrappers for C Binding types (see CBindingWrapping.h).
+DEFINE_SIMPLE_CONVERSION_FUNCTIONS(MemoryBuffer, LLVMMemoryBufferRef)
+
+} // end namespace llvm
+
+#endif // LLVM_SUPPORT_MEMORYBUFFER_H