raw_ostream.cpp revision 6f75755c9204b1d8817ae5a65a2f7e5af0ec3f70 
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(_MSC_VER)
17#include <io.h>
18#ifndef STDIN_FILENO
19# define STDIN_FILENO 0
20#endif
21#ifndef STDOUT_FILENO
22# define STDOUT_FILENO 1
23#endif
24#ifndef STDERR_FILENO
25# define STDERR_FILENO 2
26#endif
27#endif
28
29using namespace mcld;
30
31//===----------------------------------------------------------------------===//
32// raw_ostream
33//===----------------------------------------------------------------------===//
34mcld::raw_fd_ostream::raw_fd_ostream(const char *pFilename,
35                                     std::string &pErrorInfo,
36                                     unsigned int pFlags)
37  : llvm::raw_fd_ostream(pFilename, pErrorInfo, pFlags),
38    m_bConfigColor(false),
39    m_bSetColor(false) {
40}
41
42mcld::raw_fd_ostream::raw_fd_ostream(int pFD,
43                               bool pShouldClose,
44                               bool pUnbuffered)
45  : llvm::raw_fd_ostream(pFD, pShouldClose, pUnbuffered),
46    m_bConfigColor(false),
47    m_bSetColor(false) {
48}
49
50mcld::raw_fd_ostream::~raw_fd_ostream()
51{
52}
53
54void mcld::raw_fd_ostream::setColor(bool pEnable)
55{
56  m_bConfigColor = true;
57  m_bSetColor = pEnable;
58}
59
60llvm::raw_ostream &
61mcld::raw_fd_ostream::changeColor(enum llvm::raw_ostream::Colors pColor,
62                                  bool pBold,
63                                  bool pBackground)
64{
65  if (!is_displayed())
66    return *this;
67  return llvm::raw_fd_ostream::changeColor(pColor, pBold, pBackground);
68}
69
70llvm::raw_ostream& mcld::raw_fd_ostream::resetColor()
71{
72  if (!is_displayed())
73    return *this;
74  return llvm::raw_fd_ostream::resetColor();
75}
76
77llvm::raw_ostream& mcld::raw_fd_ostream::reverseColor()
78{
79  if (!is_displayed())
80    return *this;
81  return llvm::raw_ostream::reverseColor();
82}
83
84bool mcld::raw_fd_ostream::is_displayed() const
85{
86  if (m_bConfigColor)
87    return m_bSetColor;
88
89  return llvm::raw_fd_ostream::is_displayed();
90}
91
92//===----------------------------------------------------------------------===//
93//  outs(), errs(), nulls()
94//===----------------------------------------------------------------------===//
95mcld::raw_fd_ostream& mcld::outs() {
96  // Set buffer settings to model stdout behavior.
97  // Delete the file descriptor when the program exists, forcing error
98  // detection. If you don't want this behavior, don't use outs().
99  static mcld::raw_fd_ostream S(STDOUT_FILENO, true);
100  return S;
101}
102
103mcld::raw_fd_ostream& mcld::errs() {
104  // Set standard error to be unbuffered by default.
105  static mcld::raw_fd_ostream S(STDERR_FILENO, false, true);
106  return S;
107}
108
109