57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
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//===- MemoryBufferRef.h - Memory Buffer Reference --------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the MemoryBuffer interface.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_MEMORYBUFFERREF_H
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#define LLVM_SUPPORT_MEMORYBUFFERREF_H
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#include "llvm/ADT/StringRef.h"
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namespace llvm {
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class MemoryBuffer;
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class MemoryBufferRef {
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StringRef Buffer;
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StringRef Identifier;
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public:
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MemoryBufferRef() = default;
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MemoryBufferRef(const MemoryBuffer &Buffer);
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MemoryBufferRef(StringRef Buffer, StringRef Identifier)
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: Buffer(Buffer), Identifier(Identifier) {}
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StringRef getBuffer() const { return Buffer; }
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StringRef getBufferIdentifier() const { return Identifier; }
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const char *getBufferStart() const { return Buffer.begin(); }
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const char *getBufferEnd() const { return Buffer.end(); }
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size_t getBufferSize() const { return Buffer.size(); }
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/// Check pointer identity (not value) of identifier and data.
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friend bool operator==(const MemoryBufferRef &LHS,
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const MemoryBufferRef &RHS) {
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return LHS.Buffer.begin() == RHS.Buffer.begin() &&
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LHS.Buffer.end() == RHS.Buffer.end() &&
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LHS.Identifier.begin() == RHS.Identifier.begin() &&
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LHS.Identifier.end() == RHS.Identifier.end();
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}
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friend bool operator!=(const MemoryBufferRef &LHS,
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const MemoryBufferRef &RHS) {
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return !(LHS == RHS);
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}
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};
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} // namespace llvm
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#endif // LLVM_SUPPORT_MEMORYBUFFERREF_H
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