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llvm/Support/Streams.h is now dead, zap it.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79865 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-08-23 21:50:26 +00:00
parent e0c86afac6
commit 28fb7c4a9a
2 changed files with 0 additions and 121 deletions
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91
include/llvm/Support/Streams.h
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//===- llvm/Support/Streams.h - Wrappers for iostreams ----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements a wrapper for the STL I/O streams. It prevents the need
// to include <iostream> in a file just to get I/O.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_STREAMS_H
#define LLVM_SUPPORT_STREAMS_H
#include <iosfwd>
namespace llvm {
/// FlushStream - Function called by BaseStream to flush an ostream.
void FlushStream(std::ostream &S);
/// BaseStream - Acts like the STL streams. It's a wrapper for the std::cerr,
/// std::cout, std::cin, etc. streams. However, it doesn't require #including
/// @verbatim <iostream> @endverbatm in every file (doing so increases static
/// c'tors & d'tors in the object code).
///
template <typename StreamTy>
class BaseStream {
StreamTy *Stream;
public:
BaseStream() : Stream(0) {}
BaseStream(StreamTy &S) : Stream(&S) {}
BaseStream(StreamTy *S) : Stream(S) {}
StreamTy *stream() const { return Stream; }
inline BaseStream &operator << (std::ios_base &(*Func)(std::ios_base&)) {
if (Stream) *Stream << Func;
return *this;
}
inline BaseStream &operator << (StreamTy &(*Func)(StreamTy&)) {
if (Stream) *Stream << Func;
return *this;
}
void flush() {
if (Stream)
FlushStream(*Stream);
}
template <typename Ty>
BaseStream &operator << (const Ty &Thing) {
if (Stream) *Stream << Thing;
return *this;
}
template <typename Ty>
BaseStream &operator >> (Ty &Thing) {
if (Stream) *Stream >> Thing;
return *this;
}
template <typename Ty>
BaseStream &write(const Ty &A, unsigned N) {
if (Stream) Stream->write(A, N);
return *this;
}
operator StreamTy* () { return Stream; }
bool operator == (const StreamTy &S) { return &S == Stream; }
bool operator != (const StreamTy &S) { return !(*this == S); }
bool operator == (const BaseStream &S) { return S.Stream == Stream; }
bool operator != (const BaseStream &S) { return !(*this == S); }
};
typedef BaseStream<std::ostream> OStream;
typedef BaseStream<std::istream> IStream;
typedef BaseStream<std::stringstream> StringStream;
extern OStream cout;
extern OStream cerr;
extern IStream cin;
} // End llvm namespace
#endif

30
lib/Support/Streams.cpp
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//===-- Streams.cpp - Wrappers for iostreams ------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements a wrapper for the std::cout and std::cerr I/O streams.
// It prevents the need to include <iostream> to each file just to get I/O.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/Streams.h"
#include <iostream>
using namespace llvm;
OStream llvm::cout(std::cout);
OStream llvm::cerr(std::cerr);
IStream llvm::cin(std::cin);
namespace llvm {
/// FlushStream - Function called by BaseStream to flush an ostream.
void FlushStream(std::ostream &S) {
S << std::flush;
}
} // end anonymous namespace