LLVM 20.0.0git
MemoryBufferRef.h
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1//===- MemoryBufferRef.h - Memory Buffer Reference --------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file defines the MemoryBuffer interface.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_SUPPORT_MEMORYBUFFERREF_H
14#define LLVM_SUPPORT_MEMORYBUFFERREF_H
15
16#include "llvm/ADT/StringRef.h"
17
18namespace llvm {
19
20class MemoryBuffer;
21
23 StringRef Buffer;
24 StringRef Identifier;
25
26public:
27 MemoryBufferRef() = default;
28 MemoryBufferRef(const MemoryBuffer &Buffer);
30 : Buffer(Buffer), Identifier(Identifier) {}
31
32 StringRef getBuffer() const { return Buffer; }
33 StringRef getBufferIdentifier() const { return Identifier; }
34
35 const char *getBufferStart() const { return Buffer.begin(); }
36 const char *getBufferEnd() const { return Buffer.end(); }
37 size_t getBufferSize() const { return Buffer.size(); }
38
39 /// Check pointer identity (not value) of identifier and data.
40 friend bool operator==(const MemoryBufferRef &LHS,
41 const MemoryBufferRef &RHS) {
42 return LHS.Buffer.begin() == RHS.Buffer.begin() &&
43 LHS.Buffer.end() == RHS.Buffer.end() &&
44 LHS.Identifier.begin() == RHS.Identifier.begin() &&
45 LHS.Identifier.end() == RHS.Identifier.end();
46 }
47
48 friend bool operator!=(const MemoryBufferRef &LHS,
49 const MemoryBufferRef &RHS) {
50 return !(LHS == RHS);
51 }
52};
53
54} // namespace llvm
55
56#endif // LLVM_SUPPORT_MEMORYBUFFERREF_H
Value * RHS
Value * LHS
MemoryBufferRef(StringRef Buffer, StringRef Identifier)
size_t getBufferSize() const
StringRef getBufferIdentifier() const
const char * getBufferStart() const
StringRef getBuffer() const
friend bool operator==(const MemoryBufferRef &LHS, const MemoryBufferRef &RHS)
Check pointer identity (not value) of identifier and data.
friend bool operator!=(const MemoryBufferRef &LHS, const MemoryBufferRef &RHS)
const char * getBufferEnd() const
This interface provides simple read-only access to a block of memory, and provides simple methods for...
Definition: MemoryBuffer.h:51
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:50
iterator begin() const
Definition: StringRef.h:111
constexpr size_t size() const
size - Get the string size.
Definition: StringRef.h:137
iterator end() const
Definition: StringRef.h:113
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18