include/llvm/Support/raw_os_ostream.h

   1 //===- raw_os_ostream.h - std::ostream adaptor for raw_ostream --*- 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 raw_os_ostream class.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_SUPPORT_RAW_OS_OSTREAM_H
  14 #define LLVM_SUPPORT_RAW_OS_OSTREAM_H
  15
  16 #include "llvm/Support/raw_ostream.h"
  17 #include <iosfwd>
  18
  19 namespace llvm {
  20
  21 /// raw_os_ostream - A raw_ostream that writes to an std::ostream.  This is a
  22 /// simple adaptor class.  It does not check for output errors; clients should
  23 /// use the underlying stream to detect errors.
  24 class raw_os_ostream : public raw_ostream {
  25   std::ostream &OS;
  26
  27   /// write_impl - See raw_ostream::write_impl.
  28   void write_impl(const char *Ptr, size_t Size) override;
  29
  30   /// current_pos - Return the current position within the stream, not
  31   /// counting the bytes currently in the buffer.
  32   uint64_t current_pos() const override;
  33
  34 public:
  35   raw_os_ostream(std::ostream &O) : OS(O) {}
  36   ~raw_os_ostream() override;
  37 };
  38
  39 } // end llvm namespace
  40
  41 #endif