llvm-6502/include/llvm/Support/DataStream.h
Alexander Kornienko cd52a7a381 Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC)
Apparently, the style needs to be agreed upon first.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240390 91177308-0d34-0410-b5e6-96231b3b80d8
2015-06-23 09:49:53 +00:00

39 lines
1.2 KiB
C++

//===---- llvm/Support/DataStream.h - Lazy bitcode streaming ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This header defines DataStreamer, which fetches bytes of data from
// a stream source. It provides support for streaming (lazy reading) of
// data, e.g. bitcode
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_DATASTREAM_H
#define LLVM_SUPPORT_DATASTREAM_H
#include <memory>
#include <string>
namespace llvm {
class DataStreamer {
public:
/// Fetch bytes [start-end) from the stream, and write them to the
/// buffer pointed to by buf. Returns the number of bytes actually written.
virtual size_t GetBytes(unsigned char *buf, size_t len) = 0;
virtual ~DataStreamer();
};
std::unique_ptr<DataStreamer> getDataFileStreamer(const std::string &Filename,
std::string *Err);
}
#endif // LLVM_SUPPORT_DATASTREAM_H_