Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===- MemoryBufferRef.h - Memory Buffer Reference --------------*- C++ -*-===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

//

//  This file defines the MemoryBuffer interface.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_SUPPORT_MEMORYBUFFERREF_H

#define LLVM_SUPPORT_MEMORYBUFFERREF_H

#include "llvm/ADT/StringRef.h"

namespace llvm {

class MemoryBuffer;

class MemoryBufferRef {

  StringRef Buffer;

  StringRef Identifier;

public:

  MemoryBufferRef() = default;

  MemoryBufferRef(const MemoryBuffer &Buffer);

  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(); }

  /// Check pointer identity (not value) of identifier and data.

  friend bool operator==(const MemoryBufferRef &LHS,

                         const MemoryBufferRef &RHS) {

    return LHS.Buffer.begin() == RHS.Buffer.begin() &&

           LHS.Buffer.end() == RHS.Buffer.end() &&

           LHS.Identifier.begin() == RHS.Identifier.begin() &&

           LHS.Identifier.end() == RHS.Identifier.end();

  }

  friend bool operator!=(const MemoryBufferRef &LHS,

                         const MemoryBufferRef &RHS) {

    return !(LHS == RHS);

  }

};

} // namespace llvm

#endif // LLVM_SUPPORT_MEMORYBUFFERREF_H