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      1 //===- raw_ostream.cpp ----------------------------------------------------===//
      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 #include <mcld/Config/Config.h>
     10 #include <mcld/Support/raw_ostream.h>
     11 
     12 #if defined(HAVE_UNISTD_H)
     13 # include <unistd.h>
     14 #endif
     15 
     16 #if defined(__CYGWIN__)
     17 #include <io.h>
     18 #endif
     19 
     20 #if defined(_MSC_VER) || defined(__MINGW32__)
     21 #include <io.h>
     22 #ifndef STDIN_FILENO
     23 # define STDIN_FILENO 0
     24 #endif
     25 #ifndef STDOUT_FILENO
     26 # define STDOUT_FILENO 1
     27 #endif
     28 #ifndef STDERR_FILENO
     29 # define STDERR_FILENO 2
     30 #endif
     31 #endif
     32 
     33 using namespace mcld;
     34 
     35 //===----------------------------------------------------------------------===//
     36 // raw_ostream
     37 //===----------------------------------------------------------------------===//
     38 mcld::raw_fd_ostream::raw_fd_ostream(const char *pFilename,
     39                                      std::string &pErrorInfo,
     40                                      llvm::sys::fs::OpenFlags pFlags)
     41   : llvm::raw_fd_ostream(pFilename, pErrorInfo, pFlags),
     42     m_bConfigColor(false),
     43     m_bSetColor(false) {
     44 }
     45 
     46 mcld::raw_fd_ostream::raw_fd_ostream(int pFD,
     47                                bool pShouldClose,
     48                                bool pUnbuffered)
     49   : llvm::raw_fd_ostream(pFD, pShouldClose, pUnbuffered),
     50     m_bConfigColor(false),
     51     m_bSetColor(false) {
     52 }
     53 
     54 mcld::raw_fd_ostream::~raw_fd_ostream()
     55 {
     56 }
     57 
     58 void mcld::raw_fd_ostream::setColor(bool pEnable)
     59 {
     60   m_bConfigColor = true;
     61   m_bSetColor = pEnable;
     62 }
     63 
     64 llvm::raw_ostream &
     65 mcld::raw_fd_ostream::changeColor(enum llvm::raw_ostream::Colors pColor,
     66                                   bool pBold,
     67                                   bool pBackground)
     68 {
     69   if (!is_displayed())
     70     return *this;
     71   return llvm::raw_fd_ostream::changeColor(pColor, pBold, pBackground);
     72 }
     73 
     74 llvm::raw_ostream& mcld::raw_fd_ostream::resetColor()
     75 {
     76   if (!is_displayed())
     77     return *this;
     78   return llvm::raw_fd_ostream::resetColor();
     79 }
     80 
     81 llvm::raw_ostream& mcld::raw_fd_ostream::reverseColor()
     82 {
     83   if (!is_displayed())
     84     return *this;
     85   return llvm::raw_ostream::reverseColor();
     86 }
     87 
     88 bool mcld::raw_fd_ostream::is_displayed() const
     89 {
     90   if (m_bConfigColor)
     91     return m_bSetColor;
     92 
     93   return llvm::raw_fd_ostream::is_displayed();
     94 }
     95 
     96 //===----------------------------------------------------------------------===//
     97 //  outs(), errs(), nulls()
     98 //===----------------------------------------------------------------------===//
     99 mcld::raw_fd_ostream& mcld::outs() {
    100   // Set buffer settings to model stdout behavior.
    101   static mcld::raw_fd_ostream S(STDOUT_FILENO, false);
    102   return S;
    103 }
    104 
    105 mcld::raw_fd_ostream& mcld::errs() {
    106   // Set standard error to be unbuffered by default.
    107   static mcld::raw_fd_ostream S(STDERR_FILENO, false, true);
    108   return S;
    109 }
    110 
    111