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0
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1 /* Language-independent diagnostic subroutines for the GNU Compiler Collection
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2 Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
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3 Free Software Foundation, Inc.
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4 Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify it under
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9 the terms of the GNU General Public License as published by the Free
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10 Software Foundation; either version 3, or (at your option) any later
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11 version.
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12
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13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 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 GCC; 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
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23 /* This file implements the language independent aspect of diagnostic
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24 message module. */
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25
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26 #include "config.h"
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27 #undef FLOAT /* This is for hpux. They should change hpux. */
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28 #undef FFS /* Some systems define this in param.h. */
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29 #include "system.h"
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30 #include "coretypes.h"
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31 #include "tm.h"
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32 #include "tree.h"
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33 #include "version.h"
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34 #include "tm_p.h"
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35 #include "flags.h"
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36 #include "input.h"
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37 #include "toplev.h"
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38 #include "intl.h"
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39 #include "diagnostic.h"
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40 #include "langhooks.h"
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41 #include "langhooks-def.h"
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42 #include "opts.h"
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43
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44 #define pedantic_warning_kind() (flag_pedantic_errors ? DK_ERROR : DK_WARNING)
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45 #define permissive_error_kind() (flag_permissive ? DK_WARNING : DK_ERROR)
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46
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47 /* Prototypes. */
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48 static char *build_message_string (const char *, ...) ATTRIBUTE_PRINTF_1;
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49
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50 static void default_diagnostic_starter (diagnostic_context *,
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51 diagnostic_info *);
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52 static void default_diagnostic_finalizer (diagnostic_context *,
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53 diagnostic_info *);
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54
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55 static void error_recursion (diagnostic_context *) ATTRIBUTE_NORETURN;
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56
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57 static void diagnostic_action_after_output (diagnostic_context *,
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58 diagnostic_info *);
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59 static void real_abort (void) ATTRIBUTE_NORETURN;
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60
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61 /* A diagnostic_context surrogate for stderr. */
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62 static diagnostic_context global_diagnostic_context;
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63 diagnostic_context *global_dc = &global_diagnostic_context;
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64
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65
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66 /* Return a malloc'd string containing MSG formatted a la printf. The
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67 caller is responsible for freeing the memory. */
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68 static char *
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69 build_message_string (const char *msg, ...)
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70 {
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71 char *str;
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72 va_list ap;
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73
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74 va_start (ap, msg);
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75 vasprintf (&str, msg, ap);
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76 va_end (ap);
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77
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78 return str;
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79 }
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80
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81 /* Same as diagnostic_build_prefix, but only the source FILE is given. */
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82 char *
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83 file_name_as_prefix (const char *f)
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84 {
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85 return build_message_string ("%s: ", f);
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86 }
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87
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88
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89
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90 /* Initialize the diagnostic message outputting machinery. */
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91 void
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92 diagnostic_initialize (diagnostic_context *context)
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93 {
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94 /* Allocate a basic pretty-printer. Clients will replace this a
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95 much more elaborated pretty-printer if they wish. */
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96 context->printer = XNEW (pretty_printer);
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97 pp_construct (context->printer, NULL, 0);
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98 /* By default, diagnostics are sent to stderr. */
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99 context->printer->buffer->stream = stderr;
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100 /* By default, we emit prefixes once per message. */
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101 context->printer->wrapping.rule = DIAGNOSTICS_SHOW_PREFIX_ONCE;
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102
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103 memset (context->diagnostic_count, 0, sizeof context->diagnostic_count);
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104 context->issue_warnings_are_errors_message = true;
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105 context->warning_as_error_requested = false;
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106 memset (context->classify_diagnostic, DK_UNSPECIFIED,
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107 sizeof context->classify_diagnostic);
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108 context->show_option_requested = false;
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109 context->abort_on_error = false;
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110 context->internal_error = NULL;
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111 diagnostic_starter (context) = default_diagnostic_starter;
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112 diagnostic_finalizer (context) = default_diagnostic_finalizer;
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113 context->last_module = 0;
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114 context->last_function = NULL;
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115 context->lock = 0;
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116 }
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117
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118 /* Initialize DIAGNOSTIC, where the message MSG has already been
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119 translated. */
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120 void
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121 diagnostic_set_info_translated (diagnostic_info *diagnostic, const char *msg,
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122 va_list *args, location_t location,
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123 diagnostic_t kind)
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124 {
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125 diagnostic->message.err_no = errno;
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126 diagnostic->message.args_ptr = args;
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127 diagnostic->message.format_spec = msg;
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128 diagnostic->location = location;
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129 diagnostic->kind = kind;
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130 diagnostic->option_index = 0;
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131 }
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132
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133 /* Initialize DIAGNOSTIC, where the message GMSGID has not yet been
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134 translated. */
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135 void
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136 diagnostic_set_info (diagnostic_info *diagnostic, const char *gmsgid,
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137 va_list *args, location_t location,
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138 diagnostic_t kind)
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139 {
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140 diagnostic_set_info_translated (diagnostic, _(gmsgid), args, location, kind);
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141 }
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142
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143 /* Return a malloc'd string describing a location. The caller is
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144 responsible for freeing the memory. */
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145 char *
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146 diagnostic_build_prefix (diagnostic_info *diagnostic)
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147 {
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148 static const char *const diagnostic_kind_text[] = {
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149 #define DEFINE_DIAGNOSTIC_KIND(K, T) (T),
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150 #include "diagnostic.def"
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151 #undef DEFINE_DIAGNOSTIC_KIND
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152 "must-not-happen"
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153 };
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154 const char *text = _(diagnostic_kind_text[diagnostic->kind]);
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155 expanded_location s = expand_location (diagnostic->location);
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156 gcc_assert (diagnostic->kind < DK_LAST_DIAGNOSTIC_KIND);
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157
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158 return
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159 (s.file == NULL
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160 ? build_message_string ("%s: %s", progname, text)
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161 : flag_show_column && s.column != 0
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162 ? build_message_string ("%s:%d:%d: %s", s.file, s.line, s.column, text)
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163 : build_message_string ("%s:%d: %s", s.file, s.line, text));
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164 }
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165
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166 /* Take any action which is expected to happen after the diagnostic
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167 is written out. This function does not always return. */
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168 static void
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169 diagnostic_action_after_output (diagnostic_context *context,
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170 diagnostic_info *diagnostic)
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171 {
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172 switch (diagnostic->kind)
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173 {
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174 case DK_DEBUG:
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175 case DK_NOTE:
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176 case DK_ANACHRONISM:
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177 case DK_WARNING:
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178 break;
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179
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180 case DK_ERROR:
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181 case DK_SORRY:
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182 if (context->abort_on_error)
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183 real_abort ();
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184 if (flag_fatal_errors)
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185 {
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186 fnotice (stderr, "compilation terminated due to -Wfatal-errors.\n");
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187 exit (FATAL_EXIT_CODE);
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188 }
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189 break;
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190
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191 case DK_ICE:
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192 if (context->abort_on_error)
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193 real_abort ();
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194
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195 fnotice (stderr, "Please submit a full bug report,\n"
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196 "with preprocessed source if appropriate.\n"
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197 "See %s for instructions.\n", bug_report_url);
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198 exit (ICE_EXIT_CODE);
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199
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200 case DK_FATAL:
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201 if (context->abort_on_error)
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202 real_abort ();
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203
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204 fnotice (stderr, "compilation terminated.\n");
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205 exit (FATAL_EXIT_CODE);
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206
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207 default:
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208 gcc_unreachable ();
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209 }
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210 }
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211
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212 /* Prints out, if necessary, the name of the current function
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213 that caused an error. Called from all error and warning functions. */
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214 void
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215 diagnostic_report_current_function (diagnostic_context *context,
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216 diagnostic_info *diagnostic)
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217 {
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218 diagnostic_report_current_module (context);
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219 lang_hooks.print_error_function (context, input_filename, diagnostic);
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220 }
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221
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222 void
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223 diagnostic_report_current_module (diagnostic_context *context)
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224 {
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225 const struct line_map *map;
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226
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227 if (pp_needs_newline (context->printer))
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228 {
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229 pp_newline (context->printer);
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230 pp_needs_newline (context->printer) = false;
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231 }
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232
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233 if (input_location <= BUILTINS_LOCATION)
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234 return;
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235
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236 map = linemap_lookup (line_table, input_location);
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237 if (map && diagnostic_last_module_changed (context, map))
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238 {
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239 diagnostic_set_last_module (context, map);
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240 if (! MAIN_FILE_P (map))
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241 {
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242 map = INCLUDED_FROM (line_table, map);
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243 pp_verbatim (context->printer,
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244 "In file included from %s:%d",
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245 map->to_file, LAST_SOURCE_LINE (map));
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246 while (! MAIN_FILE_P (map))
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247 {
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248 map = INCLUDED_FROM (line_table, map);
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249 pp_verbatim (context->printer,
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250 ",\n from %s:%d",
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251 map->to_file, LAST_SOURCE_LINE (map));
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252 }
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253 pp_verbatim (context->printer, ":");
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254 pp_newline (context->printer);
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255 }
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256 }
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257 }
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258
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259 static void
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260 default_diagnostic_starter (diagnostic_context *context,
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261 diagnostic_info *diagnostic)
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262 {
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263 diagnostic_report_current_function (context, diagnostic);
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264 pp_set_prefix (context->printer, diagnostic_build_prefix (diagnostic));
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265 }
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266
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267 static void
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268 default_diagnostic_finalizer (diagnostic_context *context,
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269 diagnostic_info *diagnostic ATTRIBUTE_UNUSED)
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270 {
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271 pp_destroy_prefix (context->printer);
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272 }
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273
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274 /* Interface to specify diagnostic kind overrides. Returns the
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275 previous setting, or DK_UNSPECIFIED if the parameters are out of
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276 range. */
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277 diagnostic_t
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278 diagnostic_classify_diagnostic (diagnostic_context *context,
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279 int option_index,
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280 diagnostic_t new_kind)
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281 {
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282 diagnostic_t old_kind;
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283
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284 if (option_index <= 0
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285 || option_index >= N_OPTS
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286 || new_kind >= DK_LAST_DIAGNOSTIC_KIND)
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287 return DK_UNSPECIFIED;
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288
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289 old_kind = context->classify_diagnostic[option_index];
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290 context->classify_diagnostic[option_index] = new_kind;
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291 return old_kind;
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292 }
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293
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294 /* Report a diagnostic message (an error or a warning) as specified by
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295 DC. This function is *the* subroutine in terms of which front-ends
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296 should implement their specific diagnostic handling modules. The
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297 front-end independent format specifiers are exactly those described
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298 in the documentation of output_format.
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299 Return true if a diagnostic was printed, false otherwise. */
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300
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301 bool
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302 diagnostic_report_diagnostic (diagnostic_context *context,
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303 diagnostic_info *diagnostic)
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304 {
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305 location_t location = diagnostic->location;
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306 bool maybe_print_warnings_as_errors_message = false;
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307 const char *saved_format_spec;
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308
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309 /* Give preference to being able to inhibit warnings, before they
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310 get reclassified to something else. */
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311 if ((diagnostic->kind == DK_WARNING || diagnostic->kind == DK_PEDWARN)
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312 && !diagnostic_report_warnings_p (location))
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313 return false;
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314
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315 if (diagnostic->kind == DK_PEDWARN)
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316 diagnostic->kind = pedantic_warning_kind ();
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317
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318 if (context->lock > 0)
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319 {
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320 /* If we're reporting an ICE in the middle of some other error,
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321 try to flush out the previous error, then let this one
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322 through. Don't do this more than once. */
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323 if (diagnostic->kind == DK_ICE && context->lock == 1)
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324 pp_flush (context->printer);
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325 else
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326 error_recursion (context);
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327 }
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328
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329 /* If the user requested that warnings be treated as errors, so be
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330 it. Note that we do this before the next block so that
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331 individual warnings can be overridden back to warnings with
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332 -Wno-error=*. */
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333 if (context->warning_as_error_requested
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334 && diagnostic->kind == DK_WARNING)
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335 {
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336 diagnostic->kind = DK_ERROR;
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337 maybe_print_warnings_as_errors_message = true;
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338 }
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339
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340 if (diagnostic->option_index)
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341 {
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342 /* This tests if the user provided the appropriate -Wfoo or
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343 -Wno-foo option. */
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344 if (! option_enabled (diagnostic->option_index))
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345 return false;
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346 /* This tests if the user provided the appropriate -Werror=foo
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347 option. */
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348 if (context->classify_diagnostic[diagnostic->option_index] != DK_UNSPECIFIED)
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349 {
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350 diagnostic->kind = context->classify_diagnostic[diagnostic->option_index];
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351 maybe_print_warnings_as_errors_message = false;
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352 }
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353 /* This allows for future extensions, like temporarily disabling
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354 warnings for ranges of source code. */
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355 if (diagnostic->kind == DK_IGNORED)
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356 return false;
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357 }
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358
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359 /* If we changed the kind due to -Werror, and didn't override it, we
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360 need to print this message. */
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361 if (context->issue_warnings_are_errors_message
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362 && maybe_print_warnings_as_errors_message)
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363 {
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364 pp_verbatim (context->printer,
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365 "%s: warnings being treated as errors\n", progname);
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366 context->issue_warnings_are_errors_message = false;
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367 }
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368
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369 context->lock++;
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370
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371 if (diagnostic->kind == DK_ICE)
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372 {
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373 #ifndef ENABLE_CHECKING
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374 /* When not checking, ICEs are converted to fatal errors when an
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375 error has already occurred. This is counteracted by
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376 abort_on_error. */
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377 if ((diagnostic_kind_count (context, DK_ERROR) > 0
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378 || diagnostic_kind_count (context, DK_SORRY) > 0)
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379 && !context->abort_on_error)
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380 {
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381 expanded_location s = expand_location (diagnostic->location);
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382 fnotice (stderr, "%s:%d: confused by earlier errors, bailing out\n",
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383 s.file, s.line);
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384 exit (ICE_EXIT_CODE);
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385 }
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386 #endif
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387 if (context->internal_error)
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388 (*context->internal_error) (diagnostic->message.format_spec,
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389 diagnostic->message.args_ptr);
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390 }
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391 ++diagnostic_kind_count (context, diagnostic->kind);
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392
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393 saved_format_spec = diagnostic->message.format_spec;
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394 if (context->show_option_requested && diagnostic->option_index)
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395 diagnostic->message.format_spec
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396 = ACONCAT ((diagnostic->message.format_spec,
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397 " [", cl_options[diagnostic->option_index].opt_text, "]", NULL));
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398
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399 diagnostic->message.locus = &diagnostic->location;
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400 diagnostic->message.abstract_origin = &diagnostic->abstract_origin;
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401 diagnostic->abstract_origin = NULL;
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402 pp_format (context->printer, &diagnostic->message);
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403 (*diagnostic_starter (context)) (context, diagnostic);
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404 pp_output_formatted_text (context->printer);
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|
|
405 (*diagnostic_finalizer (context)) (context, diagnostic);
|
|
|
406 pp_flush (context->printer);
|
|
|
407 diagnostic_action_after_output (context, diagnostic);
|
|
|
408 diagnostic->message.format_spec = saved_format_spec;
|
|
|
409 diagnostic->abstract_origin = NULL;
|
|
|
410
|
|
|
411 context->lock--;
|
|
|
412
|
|
|
413 return true;
|
|
|
414 }
|
|
|
415
|
|
|
416 /* Given a partial pathname as input, return another pathname that
|
|
|
417 shares no directory elements with the pathname of __FILE__. This
|
|
|
418 is used by fancy_abort() to print `Internal compiler error in expr.c'
|
|
|
419 instead of `Internal compiler error in ../../GCC/gcc/expr.c'. */
|
|
|
420
|
|
|
421 const char *
|
|
|
422 trim_filename (const char *name)
|
|
|
423 {
|
|
|
424 static const char this_file[] = __FILE__;
|
|
|
425 const char *p = name, *q = this_file;
|
|
|
426
|
|
|
427 /* First skip any "../" in each filename. This allows us to give a proper
|
|
|
428 reference to a file in a subdirectory. */
|
|
|
429 while (p[0] == '.' && p[1] == '.' && IS_DIR_SEPARATOR (p[2]))
|
|
|
430 p += 3;
|
|
|
431
|
|
|
432 while (q[0] == '.' && q[1] == '.' && IS_DIR_SEPARATOR (q[2]))
|
|
|
433 q += 3;
|
|
|
434
|
|
|
435 /* Now skip any parts the two filenames have in common. */
|
|
|
436 while (*p == *q && *p != 0 && *q != 0)
|
|
|
437 p++, q++;
|
|
|
438
|
|
|
439 /* Now go backwards until the previous directory separator. */
|
|
|
440 while (p > name && !IS_DIR_SEPARATOR (p[-1]))
|
|
|
441 p--;
|
|
|
442
|
|
|
443 return p;
|
|
|
444 }
|
|
|
445
|
|
|
446 /* Standard error reporting routines in increasing order of severity.
|
|
|
447 All of these take arguments like printf. */
|
|
|
448
|
|
|
449 /* Text to be emitted verbatim to the error message stream; this
|
|
|
450 produces no prefix and disables line-wrapping. Use rarely. */
|
|
|
451 void
|
|
|
452 verbatim (const char *gmsgid, ...)
|
|
|
453 {
|
|
|
454 text_info text;
|
|
|
455 va_list ap;
|
|
|
456
|
|
|
457 va_start (ap, gmsgid);
|
|
|
458 text.err_no = errno;
|
|
|
459 text.args_ptr = ≈
|
|
|
460 text.format_spec = _(gmsgid);
|
|
|
461 text.locus = NULL;
|
|
|
462 text.abstract_origin = NULL;
|
|
|
463 pp_format_verbatim (global_dc->printer, &text);
|
|
|
464 pp_flush (global_dc->printer);
|
|
|
465 va_end (ap);
|
|
|
466 }
|
|
|
467
|
|
|
468 bool
|
|
|
469 emit_diagnostic (diagnostic_t kind, location_t location, int opt,
|
|
|
470 const char *gmsgid, ...)
|
|
|
471 {
|
|
|
472 diagnostic_info diagnostic;
|
|
|
473 va_list ap;
|
|
|
474
|
|
|
475 va_start (ap, gmsgid);
|
|
|
476 if (kind == DK_PERMERROR)
|
|
|
477 {
|
|
|
478 diagnostic_set_info (&diagnostic, gmsgid, &ap, location,
|
|
|
479 permissive_error_kind ());
|
|
|
480 diagnostic.option_index = OPT_fpermissive;
|
|
|
481 }
|
|
|
482 else {
|
|
|
483 diagnostic_set_info (&diagnostic, gmsgid, &ap, location, kind);
|
|
|
484 if (kind == DK_WARNING || kind == DK_PEDWARN)
|
|
|
485 diagnostic.option_index = opt;
|
|
|
486 }
|
|
|
487 va_end (ap);
|
|
|
488
|
|
|
489 return report_diagnostic (&diagnostic);
|
|
|
490 }
|
|
|
491
|
|
|
492 /* An informative note at LOCATION. Use this for additional details on an error
|
|
|
493 message. */
|
|
|
494 void
|
|
|
495 inform (location_t location, const char *gmsgid, ...)
|
|
|
496 {
|
|
|
497 diagnostic_info diagnostic;
|
|
|
498 va_list ap;
|
|
|
499
|
|
|
500 va_start (ap, gmsgid);
|
|
|
501 diagnostic_set_info (&diagnostic, gmsgid, &ap, location, DK_NOTE);
|
|
|
502 report_diagnostic (&diagnostic);
|
|
|
503 va_end (ap);
|
|
|
504 }
|
|
|
505
|
|
|
506 /* A warning at INPUT_LOCATION. Use this for code which is correct according
|
|
|
507 to the relevant language specification but is likely to be buggy anyway.
|
|
|
508 Returns true if the warning was printed, false if it was inhibited. */
|
|
|
509 bool
|
|
|
510 warning (int opt, const char *gmsgid, ...)
|
|
|
511 {
|
|
|
512 diagnostic_info diagnostic;
|
|
|
513 va_list ap;
|
|
|
514
|
|
|
515 va_start (ap, gmsgid);
|
|
|
516 diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_WARNING);
|
|
|
517 diagnostic.option_index = opt;
|
|
|
518
|
|
|
519 va_end (ap);
|
|
|
520 return report_diagnostic (&diagnostic);
|
|
|
521 }
|
|
|
522
|
|
|
523 /* A warning at LOCATION. Use this for code which is correct according to the
|
|
|
524 relevant language specification but is likely to be buggy anyway.
|
|
|
525 Returns true if the warning was printed, false if it was inhibited. */
|
|
|
526
|
|
|
527 bool
|
|
|
528 warning_at (location_t location, int opt, const char *gmsgid, ...)
|
|
|
529 {
|
|
|
530 diagnostic_info diagnostic;
|
|
|
531 va_list ap;
|
|
|
532
|
|
|
533 va_start (ap, gmsgid);
|
|
|
534 diagnostic_set_info (&diagnostic, gmsgid, &ap, location, DK_WARNING);
|
|
|
535 diagnostic.option_index = opt;
|
|
|
536 va_end (ap);
|
|
|
537 return report_diagnostic (&diagnostic);
|
|
|
538 }
|
|
|
539
|
|
|
540 /* A "pedantic" warning at LOCATION: issues a warning unless
|
|
|
541 -pedantic-errors was given on the command line, in which case it
|
|
|
542 issues an error. Use this for diagnostics required by the relevant
|
|
|
543 language standard, if you have chosen not to make them errors.
|
|
|
544
|
|
|
545 Note that these diagnostics are issued independent of the setting
|
|
|
546 of the -pedantic command-line switch. To get a warning enabled
|
|
|
547 only with that switch, use either "if (pedantic) pedwarn
|
|
|
548 (OPT_pedantic,...)" or just "pedwarn (OPT_pedantic,..)". To get a
|
|
|
549 pedwarn independently of the -pedantic switch use "pedwarn (0,...)".
|
|
|
550
|
|
|
551 Returns true if the warning was printed, false if it was inhibited. */
|
|
|
552
|
|
|
553 bool
|
|
|
554 pedwarn (location_t location, int opt, const char *gmsgid, ...)
|
|
|
555 {
|
|
|
556 diagnostic_info diagnostic;
|
|
|
557 va_list ap;
|
|
|
558
|
|
|
559 va_start (ap, gmsgid);
|
|
|
560 diagnostic_set_info (&diagnostic, gmsgid, &ap, location, DK_PEDWARN);
|
|
|
561 diagnostic.option_index = opt;
|
|
|
562 va_end (ap);
|
|
|
563 return report_diagnostic (&diagnostic);
|
|
|
564 }
|
|
|
565
|
|
|
566 /* A "permissive" error at LOCATION: issues an error unless
|
|
|
567 -fpermissive was given on the command line, in which case it issues
|
|
|
568 a warning. Use this for things that really should be errors but we
|
|
|
569 want to support legacy code.
|
|
|
570
|
|
|
571 Returns true if the warning was printed, false if it was inhibited. */
|
|
|
572
|
|
|
573 bool
|
|
|
574 permerror (location_t location, const char *gmsgid, ...)
|
|
|
575 {
|
|
|
576 diagnostic_info diagnostic;
|
|
|
577 va_list ap;
|
|
|
578
|
|
|
579 va_start (ap, gmsgid);
|
|
|
580 diagnostic_set_info (&diagnostic, gmsgid, &ap, location,
|
|
|
581 permissive_error_kind ());
|
|
|
582 diagnostic.option_index = OPT_fpermissive;
|
|
|
583 va_end (ap);
|
|
|
584 return report_diagnostic (&diagnostic);
|
|
|
585 }
|
|
|
586
|
|
|
587 /* A hard error: the code is definitely ill-formed, and an object file
|
|
|
588 will not be produced. */
|
|
|
589 void
|
|
|
590 error (const char *gmsgid, ...)
|
|
|
591 {
|
|
|
592 diagnostic_info diagnostic;
|
|
|
593 va_list ap;
|
|
|
594
|
|
|
595 va_start (ap, gmsgid);
|
|
|
596 diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_ERROR);
|
|
|
597 report_diagnostic (&diagnostic);
|
|
|
598 va_end (ap);
|
|
|
599 }
|
|
|
600
|
|
|
601 /* Same as ebove, but use location LOC instead of input_location. */
|
|
|
602 void
|
|
|
603 error_at (location_t loc, const char *gmsgid, ...)
|
|
|
604 {
|
|
|
605 diagnostic_info diagnostic;
|
|
|
606 va_list ap;
|
|
|
607
|
|
|
608 va_start (ap, gmsgid);
|
|
|
609 diagnostic_set_info (&diagnostic, gmsgid, &ap, loc, DK_ERROR);
|
|
|
610 report_diagnostic (&diagnostic);
|
|
|
611 va_end (ap);
|
|
|
612 }
|
|
|
613
|
|
|
614 /* "Sorry, not implemented." Use for a language feature which is
|
|
|
615 required by the relevant specification but not implemented by GCC.
|
|
|
616 An object file will not be produced. */
|
|
|
617 void
|
|
|
618 sorry (const char *gmsgid, ...)
|
|
|
619 {
|
|
|
620 diagnostic_info diagnostic;
|
|
|
621 va_list ap;
|
|
|
622
|
|
|
623 va_start (ap, gmsgid);
|
|
|
624 diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_SORRY);
|
|
|
625 report_diagnostic (&diagnostic);
|
|
|
626 va_end (ap);
|
|
|
627 }
|
|
|
628
|
|
|
629 /* An error which is severe enough that we make no attempt to
|
|
|
630 continue. Do not use this for internal consistency checks; that's
|
|
|
631 internal_error. Use of this function should be rare. */
|
|
|
632 void
|
|
|
633 fatal_error (const char *gmsgid, ...)
|
|
|
634 {
|
|
|
635 diagnostic_info diagnostic;
|
|
|
636 va_list ap;
|
|
|
637
|
|
|
638 va_start (ap, gmsgid);
|
|
|
639 diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_FATAL);
|
|
|
640 report_diagnostic (&diagnostic);
|
|
|
641 va_end (ap);
|
|
|
642
|
|
|
643 gcc_unreachable ();
|
|
|
644 }
|
|
|
645
|
|
|
646 /* An internal consistency check has failed. We make no attempt to
|
|
|
647 continue. Note that unless there is debugging value to be had from
|
|
|
648 a more specific message, or some other good reason, you should use
|
|
|
649 abort () instead of calling this function directly. */
|
|
|
650 void
|
|
|
651 internal_error (const char *gmsgid, ...)
|
|
|
652 {
|
|
|
653 diagnostic_info diagnostic;
|
|
|
654 va_list ap;
|
|
|
655
|
|
|
656 va_start (ap, gmsgid);
|
|
|
657 diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_ICE);
|
|
|
658 report_diagnostic (&diagnostic);
|
|
|
659 va_end (ap);
|
|
|
660
|
|
|
661 gcc_unreachable ();
|
|
|
662 }
|
|
|
663
|
|
|
664 /* Special case error functions. Most are implemented in terms of the
|
|
|
665 above, or should be. */
|
|
|
666
|
|
|
667 /* Print a diagnostic MSGID on FILE. This is just fprintf, except it
|
|
|
668 runs its second argument through gettext. */
|
|
|
669 void
|
|
|
670 fnotice (FILE *file, const char *cmsgid, ...)
|
|
|
671 {
|
|
|
672 va_list ap;
|
|
|
673
|
|
|
674 va_start (ap, cmsgid);
|
|
|
675 vfprintf (file, _(cmsgid), ap);
|
|
|
676 va_end (ap);
|
|
|
677 }
|
|
|
678
|
|
|
679 /* Inform the user that an error occurred while trying to report some
|
|
|
680 other error. This indicates catastrophic internal inconsistencies,
|
|
|
681 so give up now. But do try to flush out the previous error.
|
|
|
682 This mustn't use internal_error, that will cause infinite recursion. */
|
|
|
683
|
|
|
684 static void
|
|
|
685 error_recursion (diagnostic_context *context)
|
|
|
686 {
|
|
|
687 diagnostic_info diagnostic;
|
|
|
688
|
|
|
689 if (context->lock < 3)
|
|
|
690 pp_flush (context->printer);
|
|
|
691
|
|
|
692 fnotice (stderr,
|
|
|
693 "Internal compiler error: Error reporting routines re-entered.\n");
|
|
|
694
|
|
|
695 /* Call diagnostic_action_after_output to get the "please submit a bug
|
|
|
696 report" message. It only looks at the kind field of diagnostic_info. */
|
|
|
697 diagnostic.kind = DK_ICE;
|
|
|
698 diagnostic_action_after_output (context, &diagnostic);
|
|
|
699
|
|
|
700 /* Do not use gcc_unreachable here; that goes through internal_error
|
|
|
701 and therefore would cause infinite recursion. */
|
|
|
702 real_abort ();
|
|
|
703 }
|
|
|
704
|
|
|
705 /* Report an internal compiler error in a friendly manner. This is
|
|
|
706 the function that gets called upon use of abort() in the source
|
|
|
707 code generally, thanks to a special macro. */
|
|
|
708
|
|
|
709 void
|
|
|
710 fancy_abort (const char *file, int line, const char *function)
|
|
|
711 {
|
|
|
712 internal_error ("in %s, at %s:%d", function, trim_filename (file), line);
|
|
|
713 }
|
|
|
714
|
|
|
715 /* Really call the system 'abort'. This has to go right at the end of
|
|
|
716 this file, so that there are no functions after it that call abort
|
|
|
717 and get the system abort instead of our macro. */
|
|
|
718 #undef abort
|
|
|
719 static void
|
|
|
720 real_abort (void)
|
|
|
721 {
|
|
|
722 abort ();
|
|
|
723 }
|
