annotate lib/Support/raw_ostream.cpp @ 21:fc4a6333556f

change error message when tail call elimination is failed.
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 14 Oct 2013 19:09:00 +0900
parents 9ad51c7bc036
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 //===--- raw_ostream.cpp - Implement the raw_ostream classes --------------===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This implements support for bulk buffered stream output.
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11 //
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12 //===----------------------------------------------------------------------===//
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13
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14 #include "llvm/Support/raw_ostream.h"
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15 #include "llvm/ADT/STLExtras.h"
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16 #include "llvm/ADT/SmallVector.h"
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17 #include "llvm/ADT/StringExtras.h"
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18 #include "llvm/Config/config.h"
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19 #include "llvm/Support/Compiler.h"
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20 #include "llvm/Support/ErrorHandling.h"
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21 #include "llvm/Support/Format.h"
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22 #include "llvm/Support/Process.h"
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23 #include "llvm/Support/Program.h"
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24 #include "llvm/Support/system_error.h"
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25 #include <cctype>
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26 #include <cerrno>
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27 #include <sys/stat.h>
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28 #include <sys/types.h>
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29
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30 #if defined(HAVE_UNISTD_H)
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31 # include <unistd.h>
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32 #endif
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33 #if defined(HAVE_FCNTL_H)
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34 # include <fcntl.h>
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35 #endif
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36 #if defined(HAVE_SYS_UIO_H) && defined(HAVE_WRITEV)
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37 # include <sys/uio.h>
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38 #endif
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39
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40 #if defined(__CYGWIN__)
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41 #include <io.h>
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42 #endif
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43
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44 #if defined(_MSC_VER)
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45 #include <io.h>
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46 #include <fcntl.h>
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47 #ifndef STDIN_FILENO
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48 # define STDIN_FILENO 0
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49 #endif
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50 #ifndef STDOUT_FILENO
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51 # define STDOUT_FILENO 1
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52 #endif
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53 #ifndef STDERR_FILENO
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54 # define STDERR_FILENO 2
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55 #endif
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56 #endif
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57
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58 using namespace llvm;
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59
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60 raw_ostream::~raw_ostream() {
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61 // raw_ostream's subclasses should take care to flush the buffer
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62 // in their destructors.
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63 assert(OutBufCur == OutBufStart &&
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64 "raw_ostream destructor called with non-empty buffer!");
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65
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66 if (BufferMode == InternalBuffer)
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67 delete [] OutBufStart;
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68 }
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69
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70 // An out of line virtual method to provide a home for the class vtable.
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71 void raw_ostream::handle() {}
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72
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73 size_t raw_ostream::preferred_buffer_size() const {
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74 // BUFSIZ is intended to be a reasonable default.
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75 return BUFSIZ;
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76 }
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77
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78 void raw_ostream::SetBuffered() {
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79 // Ask the subclass to determine an appropriate buffer size.
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80 if (size_t Size = preferred_buffer_size())
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81 SetBufferSize(Size);
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82 else
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83 // It may return 0, meaning this stream should be unbuffered.
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84 SetUnbuffered();
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85 }
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86
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87 void raw_ostream::SetBufferAndMode(char *BufferStart, size_t Size,
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88 BufferKind Mode) {
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89 assert(((Mode == Unbuffered && BufferStart == 0 && Size == 0) ||
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90 (Mode != Unbuffered && BufferStart && Size)) &&
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91 "stream must be unbuffered or have at least one byte");
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92 // Make sure the current buffer is free of content (we can't flush here; the
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93 // child buffer management logic will be in write_impl).
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94 assert(GetNumBytesInBuffer() == 0 && "Current buffer is non-empty!");
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95
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96 if (BufferMode == InternalBuffer)
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97 delete [] OutBufStart;
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98 OutBufStart = BufferStart;
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99 OutBufEnd = OutBufStart+Size;
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100 OutBufCur = OutBufStart;
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101 BufferMode = Mode;
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102
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103 assert(OutBufStart <= OutBufEnd && "Invalid size!");
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104 }
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105
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106 raw_ostream &raw_ostream::operator<<(unsigned long N) {
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107 // Zero is a special case.
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108 if (N == 0)
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109 return *this << '0';
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110
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111 char NumberBuffer[20];
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112 char *EndPtr = NumberBuffer+sizeof(NumberBuffer);
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113 char *CurPtr = EndPtr;
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114
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115 while (N) {
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116 *--CurPtr = '0' + char(N % 10);
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117 N /= 10;
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118 }
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119 return write(CurPtr, EndPtr-CurPtr);
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120 }
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121
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diff changeset
122 raw_ostream &raw_ostream::operator<<(long N) {
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parents:
diff changeset
123 if (N < 0) {
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parents:
diff changeset
124 *this << '-';
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diff changeset
125 // Avoid undefined behavior on LONG_MIN with a cast.
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126 N = -(unsigned long)N;
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127 }
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128
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diff changeset
129 return this->operator<<(static_cast<unsigned long>(N));
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130 }
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diff changeset
131
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diff changeset
132 raw_ostream &raw_ostream::operator<<(unsigned long long N) {
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133 // Output using 32-bit div/mod when possible.
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parents:
diff changeset
134 if (N == static_cast<unsigned long>(N))
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parents:
diff changeset
135 return this->operator<<(static_cast<unsigned long>(N));
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136
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diff changeset
137 char NumberBuffer[20];
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diff changeset
138 char *EndPtr = NumberBuffer+sizeof(NumberBuffer);
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139 char *CurPtr = EndPtr;
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140
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diff changeset
141 while (N) {
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diff changeset
142 *--CurPtr = '0' + char(N % 10);
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143 N /= 10;
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144 }
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145 return write(CurPtr, EndPtr-CurPtr);
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146 }
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147
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148 raw_ostream &raw_ostream::operator<<(long long N) {
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149 if (N < 0) {
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150 *this << '-';
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diff changeset
151 // Avoid undefined behavior on INT64_MIN with a cast.
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152 N = -(unsigned long long)N;
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153 }
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154
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155 return this->operator<<(static_cast<unsigned long long>(N));
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156 }
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157
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158 raw_ostream &raw_ostream::write_hex(unsigned long long N) {
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159 // Zero is a special case.
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diff changeset
160 if (N == 0)
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161 return *this << '0';
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162
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diff changeset
163 char NumberBuffer[20];
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164 char *EndPtr = NumberBuffer+sizeof(NumberBuffer);
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165 char *CurPtr = EndPtr;
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166
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diff changeset
167 while (N) {
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168 uintptr_t x = N % 16;
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169 *--CurPtr = (x < 10 ? '0' + x : 'a' + x - 10);
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170 N /= 16;
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171 }
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172
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173 return write(CurPtr, EndPtr-CurPtr);
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174 }
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175
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diff changeset
176 raw_ostream &raw_ostream::write_escaped(StringRef Str,
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177 bool UseHexEscapes) {
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178 for (unsigned i = 0, e = Str.size(); i != e; ++i) {
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179 unsigned char c = Str[i];
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180
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diff changeset
181 switch (c) {
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182 case '\\':
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183 *this << '\\' << '\\';
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184 break;
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diff changeset
185 case '\t':
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diff changeset
186 *this << '\\' << 't';
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187 break;
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diff changeset
188 case '\n':
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diff changeset
189 *this << '\\' << 'n';
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190 break;
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191 case '"':
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diff changeset
192 *this << '\\' << '"';
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193 break;
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diff changeset
194 default:
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diff changeset
195 if (std::isprint(c)) {
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196 *this << c;
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197 break;
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198 }
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199
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200 // Write out the escaped representation.
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201 if (UseHexEscapes) {
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202 *this << '\\' << 'x';
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parents:
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203 *this << hexdigit((c >> 4 & 0xF));
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parents:
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204 *this << hexdigit((c >> 0) & 0xF);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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205 } else {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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206 // Always use a full 3-character octal escape.
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parents:
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207 *this << '\\';
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
208 *this << char('0' + ((c >> 6) & 7));
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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209 *this << char('0' + ((c >> 3) & 7));
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parents:
diff changeset
210 *this << char('0' + ((c >> 0) & 7));
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211 }
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212 }
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213 }
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parents:
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214
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diff changeset
215 return *this;
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216 }
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217
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218 raw_ostream &raw_ostream::operator<<(const void *P) {
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parents:
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219 *this << '0' << 'x';
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220
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221 return write_hex((uintptr_t) P);
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222 }
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223
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224 raw_ostream &raw_ostream::operator<<(double N) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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225 #ifdef _WIN32
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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226 // On MSVCRT and compatible, output of %e is incompatible to Posix
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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227 // by default. Number of exponent digits should be at least 2. "%+03d"
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228 // FIXME: Implement our formatter to here or Support/Format.h!
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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229 int fpcl = _fpclass(N);
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230
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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231 // negative zero
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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diff changeset
232 if (fpcl == _FPCLASS_NZ)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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233 return *this << "-0.000000e+00";
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234
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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235 char buf[16];
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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236 unsigned len;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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237 len = snprintf(buf, sizeof(buf), "%e", N);
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parents:
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238 if (len <= sizeof(buf) - 2) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
239 if (len >= 5 && buf[len - 5] == 'e' && buf[len - 3] == '0') {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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240 int cs = buf[len - 4];
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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241 if (cs == '+' || cs == '-') {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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242 int c1 = buf[len - 2];
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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243 int c0 = buf[len - 1];
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
244 if (isdigit(static_cast<unsigned char>(c1)) &&
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diff changeset
245 isdigit(static_cast<unsigned char>(c0))) {
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246 // Trim leading '0': "...e+012" -> "...e+12\0"
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diff changeset
247 buf[len - 3] = c1;
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248 buf[len - 2] = c0;
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249 buf[--len] = 0;
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250 }
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251 }
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252 }
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253 return this->operator<<(buf);
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254 }
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255 #endif
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diff changeset
256 return this->operator<<(format("%e", N));
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257 }
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258
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259
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260
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diff changeset
261 void raw_ostream::flush_nonempty() {
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262 assert(OutBufCur > OutBufStart && "Invalid call to flush_nonempty.");
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263 size_t Length = OutBufCur - OutBufStart;
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264 OutBufCur = OutBufStart;
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265 write_impl(OutBufStart, Length);
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266 }
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267
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268 raw_ostream &raw_ostream::write(unsigned char C) {
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269 // Group exceptional cases into a single branch.
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270 if (LLVM_UNLIKELY(OutBufCur >= OutBufEnd)) {
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271 if (LLVM_UNLIKELY(!OutBufStart)) {
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272 if (BufferMode == Unbuffered) {
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273 write_impl(reinterpret_cast<char*>(&C), 1);
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274 return *this;
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275 }
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276 // Set up a buffer and start over.
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277 SetBuffered();
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278 return write(C);
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279 }
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280
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281 flush_nonempty();
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282 }
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283
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284 *OutBufCur++ = C;
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285 return *this;
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286 }
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287
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288 raw_ostream &raw_ostream::write(const char *Ptr, size_t Size) {
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289 // Group exceptional cases into a single branch.
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diff changeset
290 if (LLVM_UNLIKELY(size_t(OutBufEnd - OutBufCur) < Size)) {
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291 if (LLVM_UNLIKELY(!OutBufStart)) {
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292 if (BufferMode == Unbuffered) {
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293 write_impl(Ptr, Size);
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294 return *this;
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295 }
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296 // Set up a buffer and start over.
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297 SetBuffered();
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298 return write(Ptr, Size);
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299 }
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300
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301 size_t NumBytes = OutBufEnd - OutBufCur;
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302
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303 // If the buffer is empty at this point we have a string that is larger
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304 // than the buffer. Directly write the chunk that is a multiple of the
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305 // preferred buffer size and put the remainder in the buffer.
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diff changeset
306 if (LLVM_UNLIKELY(OutBufCur == OutBufStart)) {
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diff changeset
307 size_t BytesToWrite = Size - (Size % NumBytes);
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diff changeset
308 write_impl(Ptr, BytesToWrite);
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diff changeset
309 size_t BytesRemaining = Size - BytesToWrite;
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diff changeset
310 if (BytesRemaining > size_t(OutBufEnd - OutBufCur)) {
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diff changeset
311 // Too much left over to copy into our buffer.
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312 return write(Ptr + BytesToWrite, BytesRemaining);
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313 }
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314 copy_to_buffer(Ptr + BytesToWrite, BytesRemaining);
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315 return *this;
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316 }
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317
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318 // We don't have enough space in the buffer to fit the string in. Insert as
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319 // much as possible, flush and start over with the remainder.
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320 copy_to_buffer(Ptr, NumBytes);
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321 flush_nonempty();
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322 return write(Ptr + NumBytes, Size - NumBytes);
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323 }
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324
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325 copy_to_buffer(Ptr, Size);
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326
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327 return *this;
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328 }
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329
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330 void raw_ostream::copy_to_buffer(const char *Ptr, size_t Size) {
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331 assert(Size <= size_t(OutBufEnd - OutBufCur) && "Buffer overrun!");
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332
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333 // Handle short strings specially, memcpy isn't very good at very short
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334 // strings.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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335 switch (Size) {
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336 case 4: OutBufCur[3] = Ptr[3]; // FALL THROUGH
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337 case 3: OutBufCur[2] = Ptr[2]; // FALL THROUGH
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338 case 2: OutBufCur[1] = Ptr[1]; // FALL THROUGH
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339 case 1: OutBufCur[0] = Ptr[0]; // FALL THROUGH
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340 case 0: break;
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341 default:
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342 memcpy(OutBufCur, Ptr, Size);
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343 break;
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344 }
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345
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346 OutBufCur += Size;
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347 }
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348
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349 // Formatted output.
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350 raw_ostream &raw_ostream::operator<<(const format_object_base &Fmt) {
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351 // If we have more than a few bytes left in our output buffer, try
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352 // formatting directly onto its end.
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353 size_t NextBufferSize = 127;
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354 size_t BufferBytesLeft = OutBufEnd - OutBufCur;
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355 if (BufferBytesLeft > 3) {
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356 size_t BytesUsed = Fmt.print(OutBufCur, BufferBytesLeft);
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357
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358 // Common case is that we have plenty of space.
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359 if (BytesUsed <= BufferBytesLeft) {
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360 OutBufCur += BytesUsed;
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361 return *this;
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362 }
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363
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364 // Otherwise, we overflowed and the return value tells us the size to try
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365 // again with.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
366 NextBufferSize = BytesUsed;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
367 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
368
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
369 // If we got here, we didn't have enough space in the output buffer for the
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
370 // string. Try printing into a SmallVector that is resized to have enough
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
371 // space. Iterate until we win.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
372 SmallVector<char, 128> V;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
373
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
374 while (1) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
375 V.resize(NextBufferSize);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
376
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
377 // Try formatting into the SmallVector.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
378 size_t BytesUsed = Fmt.print(V.data(), NextBufferSize);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
379
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
380 // If BytesUsed fit into the vector, we win.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
381 if (BytesUsed <= NextBufferSize)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
382 return write(V.data(), BytesUsed);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
383
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
384 // Otherwise, try again with a new size.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
385 assert(BytesUsed > NextBufferSize && "Didn't grow buffer!?");
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
386 NextBufferSize = BytesUsed;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
387 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
388 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
389
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
390 /// indent - Insert 'NumSpaces' spaces.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
391 raw_ostream &raw_ostream::indent(unsigned NumSpaces) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
392 static const char Spaces[] = " "
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
393 " "
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
394 " ";
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
395
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
396 // Usually the indentation is small, handle it with a fastpath.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
397 if (NumSpaces < array_lengthof(Spaces))
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
398 return write(Spaces, NumSpaces);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
399
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
400 while (NumSpaces) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
401 unsigned NumToWrite = std::min(NumSpaces,
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
402 (unsigned)array_lengthof(Spaces)-1);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
403 write(Spaces, NumToWrite);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
404 NumSpaces -= NumToWrite;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
405 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
406 return *this;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
407 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
408
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
409
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
410 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
411 // Formatted Output
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
412 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
413
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
414 // Out of line virtual method.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
415 void format_object_base::home() {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
416 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
417
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
418 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
419 // raw_fd_ostream
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
420 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
421
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
422 /// raw_fd_ostream - Open the specified file for writing. If an error
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
423 /// occurs, information about the error is put into ErrorInfo, and the
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
424 /// stream should be immediately destroyed; the string will be empty
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
425 /// if no error occurred.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
426 raw_fd_ostream::raw_fd_ostream(const char *Filename, std::string &ErrorInfo,
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
427 unsigned Flags)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
428 : Error(false), UseAtomicWrites(false), pos(0)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
429 {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
430 assert(Filename != 0 && "Filename is null");
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
431 // Verify that we don't have both "append" and "excl".
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
432 assert((!(Flags & F_Excl) || !(Flags & F_Append)) &&
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
433 "Cannot specify both 'excl' and 'append' file creation flags!");
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
434
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
435 ErrorInfo.clear();
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
436
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
437 // Handle "-" as stdout. Note that when we do this, we consider ourself
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
438 // the owner of stdout. This means that we can do things like close the
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
439 // file descriptor when we're done and set the "binary" flag globally.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
440 if (Filename[0] == '-' && Filename[1] == 0) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
441 FD = STDOUT_FILENO;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
442 // If user requested binary then put stdout into binary mode if
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
443 // possible.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
444 if (Flags & F_Binary)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
445 sys::Program::ChangeStdoutToBinary();
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
446 // Close stdout when we're done, to detect any output errors.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
447 ShouldClose = true;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
448 return;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
449 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
450
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
451 int OpenFlags = O_WRONLY|O_CREAT;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
452 #ifdef O_BINARY
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
453 if (Flags & F_Binary)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
454 OpenFlags |= O_BINARY;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
455 #endif
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
456
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
457 if (Flags & F_Append)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
458 OpenFlags |= O_APPEND;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
459 else
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
460 OpenFlags |= O_TRUNC;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
461 if (Flags & F_Excl)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
462 OpenFlags |= O_EXCL;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
463
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
464 while ((FD = open(Filename, OpenFlags, 0664)) < 0) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
465 if (errno != EINTR) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
466 ErrorInfo = "Error opening output file '" + std::string(Filename) + "'";
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
467 ShouldClose = false;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
468 return;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
469 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
470 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
471
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
472 // Ok, we successfully opened the file, so it'll need to be closed.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
473 ShouldClose = true;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
474 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
475
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
476 /// raw_fd_ostream ctor - FD is the file descriptor that this writes to. If
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
477 /// ShouldClose is true, this closes the file when the stream is destroyed.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
478 raw_fd_ostream::raw_fd_ostream(int fd, bool shouldClose, bool unbuffered)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
479 : raw_ostream(unbuffered), FD(fd),
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
480 ShouldClose(shouldClose), Error(false), UseAtomicWrites(false) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
481 #ifdef O_BINARY
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
482 // Setting STDOUT and STDERR to binary mode is necessary in Win32
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
483 // to avoid undesirable linefeed conversion.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
484 if (fd == STDOUT_FILENO || fd == STDERR_FILENO)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
485 setmode(fd, O_BINARY);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
486 #endif
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
487
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
488 // Get the starting position.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
489 off_t loc = ::lseek(FD, 0, SEEK_CUR);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
490 if (loc == (off_t)-1)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
491 pos = 0;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
492 else
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
493 pos = static_cast<uint64_t>(loc);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
494 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
495
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
496 raw_fd_ostream::~raw_fd_ostream() {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
497 if (FD >= 0) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
498 flush();
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
499 if (ShouldClose)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
500 while (::close(FD) != 0)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
501 if (errno != EINTR) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
502 error_detected();
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
503 break;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
504 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
505 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
506
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
507 #ifdef __MINGW32__
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
508 // On mingw, global dtors should not call exit().
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
509 // report_fatal_error() invokes exit(). We know report_fatal_error()
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
510 // might not write messages to stderr when any errors were detected
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
511 // on FD == 2.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
512 if (FD == 2) return;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
513 #endif
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
514
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
515 // If there are any pending errors, report them now. Clients wishing
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
516 // to avoid report_fatal_error calls should check for errors with
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
517 // has_error() and clear the error flag with clear_error() before
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
518 // destructing raw_ostream objects which may have errors.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
519 if (has_error())
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
520 report_fatal_error("IO failure on output stream.", /*GenCrashDiag=*/false);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
521 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
522
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
523
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
524 void raw_fd_ostream::write_impl(const char *Ptr, size_t Size) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
525 assert(FD >= 0 && "File already closed.");
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
526 pos += Size;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
527
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
528 do {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
529 ssize_t ret;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
530
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
531 // Check whether we should attempt to use atomic writes.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
532 if (LLVM_LIKELY(!UseAtomicWrites)) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
533 ret = ::write(FD, Ptr, Size);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
534 } else {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
535 // Use ::writev() where available.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
536 #if defined(HAVE_WRITEV)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
537 const void *Addr = static_cast<const void *>(Ptr);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
538 struct iovec IOV = {const_cast<void *>(Addr), Size };
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
539 ret = ::writev(FD, &IOV, 1);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
540 #else
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
541 ret = ::write(FD, Ptr, Size);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
542 #endif
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
543 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
544
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
545 if (ret < 0) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
546 // If it's a recoverable error, swallow it and retry the write.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
547 //
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
548 // Ideally we wouldn't ever see EAGAIN or EWOULDBLOCK here, since
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
549 // raw_ostream isn't designed to do non-blocking I/O. However, some
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
550 // programs, such as old versions of bjam, have mistakenly used
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
551 // O_NONBLOCK. For compatibility, emulate blocking semantics by
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
552 // spinning until the write succeeds. If you don't want spinning,
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
553 // don't use O_NONBLOCK file descriptors with raw_ostream.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
554 if (errno == EINTR || errno == EAGAIN
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
555 #ifdef EWOULDBLOCK
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
556 || errno == EWOULDBLOCK
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
557 #endif
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
558 )
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
559 continue;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
560
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
561 // Otherwise it's a non-recoverable error. Note it and quit.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
562 error_detected();
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
563 break;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
564 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
565
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
566 // The write may have written some or all of the data. Update the
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
567 // size and buffer pointer to reflect the remainder that needs
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
568 // to be written. If there are no bytes left, we're done.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
569 Ptr += ret;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
570 Size -= ret;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
571 } while (Size > 0);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
572 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
573
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
574 void raw_fd_ostream::close() {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
575 assert(ShouldClose);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
576 ShouldClose = false;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
577 flush();
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
578 while (::close(FD) != 0)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
579 if (errno != EINTR) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
580 error_detected();
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
581 break;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
582 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
583 FD = -1;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
584 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
585
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
586 uint64_t raw_fd_ostream::seek(uint64_t off) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
587 flush();
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
588 pos = ::lseek(FD, off, SEEK_SET);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
589 if (pos != off)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
590 error_detected();
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
591 return pos;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
592 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
593
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
594 size_t raw_fd_ostream::preferred_buffer_size() const {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
595 #if !defined(_MSC_VER) && !defined(__MINGW32__) && !defined(__minix)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
596 // Windows and Minix have no st_blksize.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
597 assert(FD >= 0 && "File not yet open!");
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
598 struct stat statbuf;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
599 if (fstat(FD, &statbuf) != 0)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
600 return 0;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
601
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
602 // If this is a terminal, don't use buffering. Line buffering
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
603 // would be a more traditional thing to do, but it's not worth
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
604 // the complexity.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
605 if (S_ISCHR(statbuf.st_mode) && isatty(FD))
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
606 return 0;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
607 // Return the preferred block size.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
608 return statbuf.st_blksize;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
609 #else
9ad51c7bc036 1st commit. remove git dir and add all files.
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parents:
diff changeset
610 return raw_ostream::preferred_buffer_size();
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
611 #endif
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
612 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
613
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
614 raw_ostream &raw_fd_ostream::changeColor(enum Colors colors, bool bold,
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
615 bool bg) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
616 if (sys::Process::ColorNeedsFlush())
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
617 flush();
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
618 const char *colorcode =
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
619 (colors == SAVEDCOLOR) ? sys::Process::OutputBold(bg)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
620 : sys::Process::OutputColor(colors, bold, bg);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
621 if (colorcode) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
622 size_t len = strlen(colorcode);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
623 write(colorcode, len);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
624 // don't account colors towards output characters
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
625 pos -= len;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
626 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
627 return *this;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
628 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
629
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
630 raw_ostream &raw_fd_ostream::resetColor() {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
631 if (sys::Process::ColorNeedsFlush())
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
632 flush();
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
633 const char *colorcode = sys::Process::ResetColor();
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
634 if (colorcode) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
635 size_t len = strlen(colorcode);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
636 write(colorcode, len);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
637 // don't account colors towards output characters
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
638 pos -= len;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
639 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
640 return *this;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
641 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
642
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
643 raw_ostream &raw_fd_ostream::reverseColor() {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
644 if (sys::Process::ColorNeedsFlush())
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
645 flush();
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
646 const char *colorcode = sys::Process::OutputReverse();
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
647 if (colorcode) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
648 size_t len = strlen(colorcode);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
649 write(colorcode, len);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
650 // don't account colors towards output characters
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
651 pos -= len;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
652 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
653 return *this;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
654 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
655
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
656 bool raw_fd_ostream::is_displayed() const {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
657 return sys::Process::FileDescriptorIsDisplayed(FD);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
658 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
659
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
660 bool raw_fd_ostream::has_colors() const {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
661 return sys::Process::FileDescriptorHasColors(FD);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
662 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
663
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
664 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
665 // outs(), errs(), nulls()
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
666 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
667
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
668 /// outs() - This returns a reference to a raw_ostream for standard output.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
669 /// Use it like: outs() << "foo" << "bar";
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
670 raw_ostream &llvm::outs() {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
671 // Set buffer settings to model stdout behavior.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
672 // Delete the file descriptor when the program exists, forcing error
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
673 // detection. If you don't want this behavior, don't use outs().
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
674 static raw_fd_ostream S(STDOUT_FILENO, true);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
675 return S;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
676 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
677
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
678 /// errs() - This returns a reference to a raw_ostream for standard error.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
679 /// Use it like: errs() << "foo" << "bar";
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
680 raw_ostream &llvm::errs() {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
681 // Set standard error to be unbuffered by default.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
682 static raw_fd_ostream S(STDERR_FILENO, false, true);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
683 return S;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
684 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
685
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
686 /// nulls() - This returns a reference to a raw_ostream which discards output.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
687 raw_ostream &llvm::nulls() {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
688 static raw_null_ostream S;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
689 return S;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
690 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
691
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
692
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
693 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
694 // raw_string_ostream
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
695 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
696
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
697 raw_string_ostream::~raw_string_ostream() {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
698 flush();
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
699 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
700
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
701 void raw_string_ostream::write_impl(const char *Ptr, size_t Size) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
702 OS.append(Ptr, Size);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
703 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
704
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
705 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
706 // raw_svector_ostream
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
707 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
708
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
709 // The raw_svector_ostream implementation uses the SmallVector itself as the
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
710 // buffer for the raw_ostream. We guarantee that the raw_ostream buffer is
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
711 // always pointing past the end of the vector, but within the vector
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
712 // capacity. This allows raw_ostream to write directly into the correct place,
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
713 // and we only need to set the vector size when the data is flushed.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
714
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
715 raw_svector_ostream::raw_svector_ostream(SmallVectorImpl<char> &O) : OS(O) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
716 // Set up the initial external buffer. We make sure that the buffer has at
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
717 // least 128 bytes free; raw_ostream itself only requires 64, but we want to
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
718 // make sure that we don't grow the buffer unnecessarily on destruction (when
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
719 // the data is flushed). See the FIXME below.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
720 OS.reserve(OS.size() + 128);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
721 SetBuffer(OS.end(), OS.capacity() - OS.size());
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
722 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
723
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
724 raw_svector_ostream::~raw_svector_ostream() {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
725 // FIXME: Prevent resizing during this flush().
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
726 flush();
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
727 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
728
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
729 /// resync - This is called when the SmallVector we're appending to is changed
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
730 /// outside of the raw_svector_ostream's control. It is only safe to do this
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
731 /// if the raw_svector_ostream has previously been flushed.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
732 void raw_svector_ostream::resync() {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
733 assert(GetNumBytesInBuffer() == 0 && "Didn't flush before mutating vector");
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
734
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
735 if (OS.capacity() - OS.size() < 64)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
736 OS.reserve(OS.capacity() * 2);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
737 SetBuffer(OS.end(), OS.capacity() - OS.size());
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
738 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
739
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
740 void raw_svector_ostream::write_impl(const char *Ptr, size_t Size) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
741 // If we're writing bytes from the end of the buffer into the smallvector, we
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
742 // don't need to copy the bytes, just commit the bytes because they are
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
743 // already in the right place.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
744 if (Ptr == OS.end()) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
745 assert(OS.size() + Size <= OS.capacity() && "Invalid write_impl() call!");
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
746 OS.set_size(OS.size() + Size);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
747 } else {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
748 assert(GetNumBytesInBuffer() == 0 &&
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
749 "Should be writing from buffer if some bytes in it");
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
750 // Otherwise, do copy the bytes.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
751 OS.append(Ptr, Ptr+Size);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
752 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
753
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
754 // Grow the vector if necessary.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
755 if (OS.capacity() - OS.size() < 64)
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
756 OS.reserve(OS.capacity() * 2);
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
757
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
758 // Update the buffer position.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
759 SetBuffer(OS.end(), OS.capacity() - OS.size());
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
760 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
761
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
762 uint64_t raw_svector_ostream::current_pos() const {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
763 return OS.size();
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
764 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
765
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
766 StringRef raw_svector_ostream::str() {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
767 flush();
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
768 return StringRef(OS.begin(), OS.size());
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
769 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
770
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
771 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
772 // raw_null_ostream
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
773 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
774
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
775 raw_null_ostream::~raw_null_ostream() {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
776 #ifndef NDEBUG
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
777 // ~raw_ostream asserts that the buffer is empty. This isn't necessary
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
778 // with raw_null_ostream, but it's better to have raw_null_ostream follow
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
779 // the rules than to change the rules just for raw_null_ostream.
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
780 flush();
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
781 #endif
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
782 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
783
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
784 void raw_null_ostream::write_impl(const char *Ptr, size_t Size) {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
785 }
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
786
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
787 uint64_t raw_null_ostream::current_pos() const {
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
788 return 0;
9ad51c7bc036 1st commit. remove git dir and add all files.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
789 }