Mercurial > hg > CbC > CbC_gcc

annotate libcpp/errors.c @ 107:a3a2f64cf8f4

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modify implementation of rectype
author Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
date Thu, 14 Jun 2012 19:44:54 +0900
parents f6334be47118
children 04ced10e8804
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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1 /* Default error handlers for CPP Library.
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2 Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1998, 1999, 2000,
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3 2001, 2002, 2004, 2008, 2009, 2010 Free Software Foundation, Inc.
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4 Written by Per Bothner, 1994.
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5 Based on CCCP program by Paul Rubin, June 1986
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6 Adapted to ANSI C, Richard Stallman, Jan 1987
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7
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8 This program is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3, or (at your option) any
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11 later version.
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12
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13 This program is distributed in the hope that it will be useful,
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with this program; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>.
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21
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22 In other words, you are welcome to use, share and improve this program.
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23 You are forbidden to forbid anyone else to use, share and improve
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24 what you give them. Help stamp out software-hoarding! */
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25
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26 #include "config.h"
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27 #include "system.h"
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28 #include "cpplib.h"
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29 #include "internal.h"
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30
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31 /* Print a diagnostic at the location of the previously lexed token. */
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32
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33 ATTRIBUTE_FPTR_PRINTF(4,0)
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34 static bool
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35 cpp_diagnostic (cpp_reader * pfile, int level, int reason,
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36 const char *msgid, va_list *ap)
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37 {
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38 source_location src_loc;
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39 bool ret;
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40
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41 if (CPP_OPTION (pfile, traditional))
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42 {
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43 if (pfile->state.in_directive)
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44 src_loc = pfile->directive_line;
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45 else
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46 src_loc = pfile->line_table->highest_line;
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47 }
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48 /* We don't want to refer to a token before the beginning of the
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49 current run -- that is invalid. */
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50 else if (pfile->cur_token == pfile->cur_run->base)
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51 {
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52 if (pfile->cur_run->prev != NULL)
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53 src_loc = pfile->cur_run->prev->limit->src_loc;
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54 else
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55 src_loc = 0;
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56 }
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57 else
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58 {
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59 src_loc = pfile->cur_token[-1].src_loc;
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60 }
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61
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62 if (!pfile->cb.error)
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63 abort ();
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64 ret = pfile->cb.error (pfile, level, reason, src_loc, 0, _(msgid), ap);
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65
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66 return ret;
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67 }
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68
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69 /* Print a warning or error, depending on the value of LEVEL. */
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70
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71 bool
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72 cpp_error (cpp_reader * pfile, int level, const char *msgid, ...)
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73 {
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74 va_list ap;
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75 bool ret;
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76
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77 va_start (ap, msgid);
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78
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79 ret = cpp_diagnostic (pfile, level, CPP_W_NONE, msgid, &ap);
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80
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81 va_end (ap);
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82 return ret;
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83 }
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84
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85 /* Print a warning. The warning reason may be given in REASON. */
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86
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87 bool
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88 cpp_warning (cpp_reader * pfile, int reason, const char *msgid, ...)
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89 {
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90 va_list ap;
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91 bool ret;
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92
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93 va_start (ap, msgid);
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94
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95 ret = cpp_diagnostic (pfile, CPP_DL_WARNING, reason, msgid, &ap);
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96
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97 va_end (ap);
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98 return ret;
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99 }
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100
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101 /* Print a pedantic warning. The warning reason may be given in REASON. */
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102
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103 bool
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104 cpp_pedwarning (cpp_reader * pfile, int reason, const char *msgid, ...)
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105 {
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106 va_list ap;
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107 bool ret;
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108
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109 va_start (ap, msgid);
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110
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111 ret = cpp_diagnostic (pfile, CPP_DL_PEDWARN, reason, msgid, &ap);
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112
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113 va_end (ap);
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114 return ret;
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115 }
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116
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117 /* Print a warning, including system headers. The warning reason may be
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118 given in REASON. */
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119
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120 bool
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121 cpp_warning_syshdr (cpp_reader * pfile, int reason, const char *msgid, ...)
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122 {
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123 va_list ap;
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124 bool ret;
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125
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126 va_start (ap, msgid);
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127
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128 ret = cpp_diagnostic (pfile, CPP_DL_WARNING_SYSHDR, reason, msgid, &ap);
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129
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130 va_end (ap);
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131 return ret;
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132 }
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133
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134 /* Print a diagnostic at a specific location. */
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135
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136 ATTRIBUTE_FPTR_PRINTF(6,0)
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137 static bool
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138 cpp_diagnostic_with_line (cpp_reader * pfile, int level, int reason,
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139 source_location src_loc, unsigned int column,
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140 const char *msgid, va_list *ap)
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141 {
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142 bool ret;
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143
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144 if (!pfile->cb.error)
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145 abort ();
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146 ret = pfile->cb.error (pfile, level, reason, src_loc, column, _(msgid), ap);
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147
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148 return ret;
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149 }
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150
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151 /* Print a warning or error, depending on the value of LEVEL. */
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152
55
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153 bool
0
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154 cpp_error_with_line (cpp_reader *pfile, int level,
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155 source_location src_loc, unsigned int column,
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156 const char *msgid, ...)
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157 {
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158 va_list ap;
55
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159 bool ret;
63
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160
0
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161 va_start (ap, msgid);
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162
63
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163 ret = cpp_diagnostic_with_line (pfile, level, CPP_W_NONE, src_loc,
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164 column, msgid, &ap);
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165
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166 va_end (ap);
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167 return ret;
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168 }
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169
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170 /* Print a warning. The warning reason may be given in REASON. */
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171
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172 bool
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173 cpp_warning_with_line (cpp_reader *pfile, int reason,
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174 source_location src_loc, unsigned int column,
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175 const char *msgid, ...)
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176 {
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177 va_list ap;
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178 bool ret;
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179
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180 va_start (ap, msgid);
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181
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182 ret = cpp_diagnostic_with_line (pfile, CPP_DL_WARNING, reason, src_loc,
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183 column, msgid, &ap);
0
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184
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185 va_end (ap);
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186 return ret;
0
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187 }
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188
63
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189 /* Print a pedantic warning. The warning reason may be given in REASON. */
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190
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191 bool
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192 cpp_pedwarning_with_line (cpp_reader *pfile, int reason,
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193 source_location src_loc, unsigned int column,
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194 const char *msgid, ...)
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195 {
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196 va_list ap;
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197 bool ret;
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198
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199 va_start (ap, msgid);
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200
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201 ret = cpp_diagnostic_with_line (pfile, CPP_DL_PEDWARN, reason, src_loc,
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202 column, msgid, &ap);
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203
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204 va_end (ap);
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205 return ret;
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206 }
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207
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208 /* Print a warning, including system headers. The warning reason may be
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209 given in REASON. */
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210
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211 bool
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212 cpp_warning_with_line_syshdr (cpp_reader *pfile, int reason,
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213 source_location src_loc, unsigned int column,
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214 const char *msgid, ...)
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215 {
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216 va_list ap;
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217 bool ret;
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218
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219 va_start (ap, msgid);
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220
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221 ret = cpp_diagnostic_with_line (pfile, CPP_DL_WARNING_SYSHDR, reason, src_loc,
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222 column, msgid, &ap);
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223
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224 va_end (ap);
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225 return ret;
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226 }
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227
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228 /* Print a warning or error, depending on the value of LEVEL. Include
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229 information from errno. */
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230
55
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231 bool
0
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232 cpp_errno (cpp_reader *pfile, int level, const char *msgid)
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233 {
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234 if (msgid[0] == '\0')
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235 msgid = _("stdout");
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236
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237 return cpp_error (pfile, level, "%s: %s", msgid, xstrerror (errno));
0
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238 }