1 //===- raw_ostream.h ------------------------------------------------------===// 2 // 3 // The MCLinker Project 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 #ifndef MCLD_RAW_OSTREAM_H 10 #define MCLD_RAW_OSTREAM_H 11 #ifdef ENABLE_UNITTEST 12 #include <gtest.h> 13 #endif 14 #include <string> 15 #include <llvm/Support/raw_ostream.h> 16 17 namespace mcld { 18 19 class raw_fd_ostream : public llvm::raw_fd_ostream 20 { 21 public: 22 /// raw_fd_ostream - Open the specified file for writing. If an error occurs, 23 /// information about the error is put into ErrorInfo, and the stream should 24 /// be immediately destroyed; the string will be empty if no error occurred. 25 /// This allows optional flags to control how the file will be opened. 26 /// 27 /// As a special case, if Filename is "-", then the stream will use 28 /// STDOUT_FILENO instead of opening a file. Note that it will still consider 29 /// itself to own the file descriptor. In particular, it will close the 30 /// file descriptor when it is done (this is necessary to detect 31 /// output errors). 32 raw_fd_ostream(const char *pFilename, 33 std::string &pErrorInfo, 34 unsigned int pFlags = 0); 35 36 /// raw_fd_ostream ctor - FD is the file descriptor that this writes to. If 37 /// ShouldClose is true, this closes the file when the stream is destroyed. 38 raw_fd_ostream(int pFD, bool pShouldClose, bool pUnbuffered=false); 39 40 virtual ~raw_fd_ostream(); 41 42 void setColor(bool pEnable = true); 43 44 45 llvm::raw_ostream &changeColor(enum llvm::raw_ostream::Colors pColors, 46 bool pBold=false, 47 bool pBackground=false); 48 49 llvm::raw_ostream &resetColor(); 50 51 llvm::raw_ostream &reverseColor(); 52 53 bool is_displayed() const; 54 55 private: 56 bool m_bConfigColor : 1; 57 bool m_bSetColor : 1; 58 59 }; 60 61 /// outs() - This returns a reference to a raw_ostream for standard output. 62 /// Use it like: outs() << "foo" << "bar"; 63 mcld::raw_fd_ostream &outs(); 64 65 /// errs() - This returns a reference to a raw_ostream for standard error. 66 /// Use it like: errs() << "foo" << "bar"; 67 mcld::raw_fd_ostream &errs(); 68 69 } // namespace of mcld 70 71 #endif 72 73