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68fe61d6a1
adding a temporary wrapper around the ostream to make it friendly to functions expecting an LLVM stream. This should be fixed in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31990 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
//===- llvm/Support/Streams.h - Wrappers for iostreams ----------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Bill Wendling and is distributed under the
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// University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements a wrapper for the std::cout and std::cerr I/O streams.
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// It prevents the need to include <iostream> to each file just to get I/O.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_STREAMS_H
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#define LLVM_SUPPORT_STREAMS_H
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#include <ostream> // Doesn't have static d'tors!!
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namespace llvm {
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/// llvm_ostream - Acts like an ostream. It's a wrapper for the std::cerr and
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/// std::cout ostreams. However, it doesn't require #including <iostream> in
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/// every file, which increases static c'tors & d'tors in the object code.
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///
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class llvm_ostream {
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std::ostream* Stream;
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public:
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llvm_ostream() : Stream(0) {}
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llvm_ostream(std::ostream &OStream) : Stream(&OStream) {}
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std::ostream* stream() const { return Stream; }
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inline llvm_ostream &operator << (std::ostream& (*Func)(std::ostream&)) {
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if (Stream) *Stream << Func;
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return *this;
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}
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template <typename Ty>
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llvm_ostream &operator << (const Ty &Thing) {
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if (Stream) *Stream << Thing;
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return *this;
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}
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bool operator == (const std::ostream &OS) { return &OS == Stream; }
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bool operator == (const llvm_ostream &OS) { return OS.Stream == Stream; }
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};
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extern llvm_ostream llvm_null;
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extern llvm_ostream llvm_cout;
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extern llvm_ostream llvm_cerr;
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} // End llvm namespace
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#endif
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