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#pragma once 
 
#ifdef __GNUC__ 
#pragma GCC diagnostic push 
#pragma GCC diagnostic ignored "-Wunused-parameter" 
#endif 
 
//===- 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 
 
#ifdef __GNUC__ 
#pragma GCC diagnostic pop 
#endif