Mercurial > hg > CbC > CbC_gcc
annotate gcc/diagnostic.h @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
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date | Tue, 22 Mar 2011 17:18:12 +0900 |
parents | b7f97abdc517 |
children | 04ced10e8804 |
rev | line source |
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0 | 1 /* Various declarations for language-independent diagnostics subroutines. |
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2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
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3 2010, Free Software Foundation, Inc. |
0 | 4 Contributed by Gabriel Dos Reis <gdr@codesourcery.com> |
5 | |
6 This file is part of GCC. | |
7 | |
8 GCC is free software; you can redistribute it and/or modify it under | |
9 the terms of the GNU General Public License as published by the Free | |
10 Software Foundation; either version 3, or (at your option) any later | |
11 version. | |
12 | |
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
19 along with GCC; see the file COPYING3. If not see | |
20 <http://www.gnu.org/licenses/>. */ | |
21 | |
22 #ifndef GCC_DIAGNOSTIC_H | |
23 #define GCC_DIAGNOSTIC_H | |
24 | |
25 #include "pretty-print.h" | |
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26 #include "diagnostic-core.h" |
0 | 27 |
28 /* A diagnostic is described by the MESSAGE to send, the FILE and LINE of | |
29 its context and its KIND (ice, error, warning, note, ...) See complete | |
30 list in diagnostic.def. */ | |
31 typedef struct diagnostic_info | |
32 { | |
33 text_info message; | |
34 location_t location; | |
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35 unsigned int override_column; |
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36 /* Auxiliary data for client. */ |
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37 void *x_data; |
0 | 38 /* The kind of diagnostic it is about. */ |
39 diagnostic_t kind; | |
40 /* Which OPT_* directly controls this diagnostic. */ | |
41 int option_index; | |
42 } diagnostic_info; | |
43 | |
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44 /* Each time a diagnostic's classification is changed with a pragma, |
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45 we record the change and the location of the change in an array of |
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46 these structs. */ |
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47 typedef struct diagnostic_classification_change_t |
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48 { |
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49 location_t location; |
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50 int option; |
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51 diagnostic_t kind; |
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52 } diagnostic_classification_change_t; |
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53 |
0 | 54 /* Forward declarations. */ |
55 typedef void (*diagnostic_starter_fn) (diagnostic_context *, | |
56 diagnostic_info *); | |
57 typedef diagnostic_starter_fn diagnostic_finalizer_fn; | |
58 | |
59 /* This data structure bundles altogether any information relevant to | |
60 the context of a diagnostic message. */ | |
61 struct diagnostic_context | |
62 { | |
63 /* Where most of the diagnostic formatting work is done. */ | |
64 pretty_printer *printer; | |
65 | |
66 /* The number of times we have issued diagnostics. */ | |
67 int diagnostic_count[DK_LAST_DIAGNOSTIC_KIND]; | |
68 | |
69 /* True if we should display the "warnings are being tread as error" | |
70 message, usually displayed once per compiler run. */ | |
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71 bool some_warnings_are_errors; |
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72 |
0 | 73 /* True if it has been requested that warnings be treated as errors. */ |
74 bool warning_as_error_requested; | |
75 | |
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76 /* The number of option indexes that can be passed to warning() et |
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77 al. */ |
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78 int n_opts; |
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79 |
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80 /* For each option index that can be passed to warning() et al |
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81 (OPT_* from options.h when using this code with the core GCC |
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82 options), this array may contain a new kind that the diagnostic |
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83 should be changed to before reporting, or DK_UNSPECIFIED to leave |
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84 it as the reported kind, or DK_IGNORED to not report it at |
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85 all. */ |
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86 diagnostic_t *classify_diagnostic; |
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87 |
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88 /* History of all changes to the classifications above. This list |
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89 is stored in location-order, so we can search it, either |
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90 binary-wise or end-to-front, to find the most recent |
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91 classification for a given diagnostic, given the location of the |
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92 diagnostic. */ |
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93 diagnostic_classification_change_t *classification_history; |
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94 |
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95 /* The size of the above array. */ |
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96 int n_classification_history; |
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97 |
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98 /* For pragma push/pop. */ |
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99 int *push_list; |
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100 int n_push; |
0 | 101 |
102 /* True if we should print the command line option which controls | |
103 each diagnostic, if known. */ | |
104 bool show_option_requested; | |
105 | |
106 /* True if we should raise a SIGABRT on errors. */ | |
107 bool abort_on_error; | |
108 | |
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109 /* True if we should show the column number on diagnostics. */ |
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110 bool show_column; |
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111 |
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112 /* True if pedwarns are errors. */ |
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113 bool pedantic_errors; |
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114 |
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115 /* True if permerrors are warnings. */ |
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116 bool permissive; |
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117 |
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118 /* The index of the option to associate with turning permerrors into |
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119 warnings. */ |
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120 int opt_permissive; |
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121 |
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122 /* True if errors are fatal. */ |
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123 bool fatal_errors; |
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124 |
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125 /* True if all warnings should be disabled. */ |
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126 bool dc_inhibit_warnings; |
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127 |
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128 /* True if warnings should be given in system headers. */ |
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129 bool dc_warn_system_headers; |
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130 |
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131 /* Maximum number of errors to report. */ |
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132 unsigned int max_errors; |
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133 |
0 | 134 /* This function is called before any message is printed out. It is |
135 responsible for preparing message prefix and such. For example, it | |
136 might say: | |
137 In file included from "/usr/local/include/curses.h:5: | |
138 from "/home/gdr/src/nifty_printer.h:56: | |
139 ... | |
140 */ | |
141 diagnostic_starter_fn begin_diagnostic; | |
142 | |
143 /* This function is called after the diagnostic message is printed. */ | |
144 diagnostic_finalizer_fn end_diagnostic; | |
145 | |
146 /* Client hook to report an internal error. */ | |
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147 void (*internal_error) (diagnostic_context *, const char *, va_list *); |
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148 |
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149 /* Client hook to say whether the option controlling a diagnostic is |
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150 enabled. Returns nonzero if enabled, zero if disabled. */ |
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151 int (*option_enabled) (int, void *); |
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152 |
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153 /* Client information to pass as second argument to |
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154 option_enabled. */ |
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155 void *option_state; |
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156 |
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157 /* Client hook to return the name of an option that controls a |
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158 diagnostic. Returns malloced memory. The first diagnostic_t |
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159 argument is the kind of diagnostic before any reclassification |
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160 (of warnings as errors, etc.); the second is the kind after any |
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161 reclassification. May return NULL if no name is to be printed. |
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162 May be passed 0 as well as the index of a particular option. */ |
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163 char *(*option_name) (diagnostic_context *, int, diagnostic_t, diagnostic_t); |
0 | 164 |
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165 /* Auxiliary data for client. */ |
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166 void *x_data; |
0 | 167 |
168 /* Used to detect when the input file stack has changed since last | |
169 described. */ | |
170 const struct line_map *last_module; | |
171 | |
172 int lock; | |
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173 |
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174 bool inhibit_notes_p; |
0 | 175 }; |
176 | |
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177 static inline void |
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178 diagnostic_inhibit_notes (diagnostic_context * context) |
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179 { |
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180 context->inhibit_notes_p = true; |
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181 } |
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182 |
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183 |
0 | 184 /* Client supplied function to announce a diagnostic. */ |
185 #define diagnostic_starter(DC) (DC)->begin_diagnostic | |
186 | |
187 /* Client supplied function called after a diagnostic message is | |
188 displayed. */ | |
189 #define diagnostic_finalizer(DC) (DC)->end_diagnostic | |
190 | |
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191 /* Extension hooks for client. */ |
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192 #define diagnostic_context_auxiliary_data(DC) (DC)->x_data |
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193 #define diagnostic_info_auxiliary_data(DI) (DI)->x_data |
0 | 194 |
195 /* Same as pp_format_decoder. Works on 'diagnostic_context *'. */ | |
196 #define diagnostic_format_decoder(DC) ((DC)->printer->format_decoder) | |
197 | |
198 /* Same as output_prefixing_rule. Works on 'diagnostic_context *'. */ | |
199 #define diagnostic_prefixing_rule(DC) ((DC)->printer->wrapping.rule) | |
200 | |
201 /* Maximum characters per line in automatic line wrapping mode. | |
202 Zero means don't wrap lines. */ | |
203 #define diagnostic_line_cutoff(DC) ((DC)->printer->wrapping.line_cutoff) | |
204 | |
205 #define diagnostic_flush_buffer(DC) pp_base_flush ((DC)->printer) | |
206 | |
207 /* True if the last module or file in which a diagnostic was reported is | |
208 different from the current one. */ | |
209 #define diagnostic_last_module_changed(DC, MAP) \ | |
210 ((DC)->last_module != MAP) | |
211 | |
212 /* Remember the current module or file as being the last one in which we | |
213 report a diagnostic. */ | |
214 #define diagnostic_set_last_module(DC, MAP) \ | |
215 (DC)->last_module = MAP | |
216 | |
217 /* Raise SIGABRT on any diagnostic of severity DK_ERROR or higher. */ | |
218 #define diagnostic_abort_on_error(DC) \ | |
219 (DC)->abort_on_error = true | |
220 | |
221 /* This diagnostic_context is used by front-ends that directly output | |
222 diagnostic messages without going through `error', `warning', | |
223 and similar functions. */ | |
224 extern diagnostic_context *global_dc; | |
225 | |
226 /* The total count of a KIND of diagnostics emitted so far. */ | |
227 #define diagnostic_kind_count(DC, DK) (DC)->diagnostic_count[(int) (DK)] | |
228 | |
229 /* The number of errors that have been issued so far. Ideally, these | |
230 would take a diagnostic_context as an argument. */ | |
231 #define errorcount diagnostic_kind_count (global_dc, DK_ERROR) | |
232 /* Similarly, but for warnings. */ | |
233 #define warningcount diagnostic_kind_count (global_dc, DK_WARNING) | |
234 /* Similarly, but for sorrys. */ | |
235 #define sorrycount diagnostic_kind_count (global_dc, DK_SORRY) | |
236 | |
237 /* Returns nonzero if warnings should be emitted. */ | |
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238 #define diagnostic_report_warnings_p(DC, LOC) \ |
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239 (!(DC)->dc_inhibit_warnings \ |
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240 && !(in_system_header_at (LOC) && !(DC)->dc_warn_system_headers)) |
0 | 241 |
242 #define report_diagnostic(D) diagnostic_report_diagnostic (global_dc, D) | |
243 | |
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244 /* Override the column number to be used for reporting a |
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245 diagnostic. */ |
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246 #define diagnostic_override_column(DI, COL) (DI)->override_column = (COL) |
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247 |
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248 /* Override the option index to be used for reporting a |
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249 diagnostic. */ |
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250 #define diagnostic_override_option_index(DI, OPTIDX) \ |
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251 ((DI)->option_index = (OPTIDX)) |
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252 |
0 | 253 /* Diagnostic related functions. */ |
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254 extern void diagnostic_initialize (diagnostic_context *, int); |
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255 extern void diagnostic_finish (diagnostic_context *); |
0 | 256 extern void diagnostic_report_current_module (diagnostic_context *); |
257 | |
258 /* Force diagnostics controlled by OPTIDX to be kind KIND. */ | |
259 extern diagnostic_t diagnostic_classify_diagnostic (diagnostic_context *, | |
260 int /* optidx */, | |
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261 diagnostic_t /* kind */, |
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262 location_t); |
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263 extern void diagnostic_push_diagnostics (diagnostic_context *, location_t); |
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264 extern void diagnostic_pop_diagnostics (diagnostic_context *, location_t); |
0 | 265 extern bool diagnostic_report_diagnostic (diagnostic_context *, |
266 diagnostic_info *); | |
267 #ifdef ATTRIBUTE_GCC_DIAG | |
268 extern void diagnostic_set_info (diagnostic_info *, const char *, va_list *, | |
269 location_t, diagnostic_t) ATTRIBUTE_GCC_DIAG(2,0); | |
270 extern void diagnostic_set_info_translated (diagnostic_info *, const char *, | |
271 va_list *, location_t, | |
272 diagnostic_t) | |
273 ATTRIBUTE_GCC_DIAG(2,0); | |
274 #endif | |
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275 extern char *diagnostic_build_prefix (diagnostic_context *, diagnostic_info *); |
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276 void default_diagnostic_starter (diagnostic_context *, diagnostic_info *); |
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277 void default_diagnostic_finalizer (diagnostic_context *, diagnostic_info *); |
0 | 278 |
279 /* Pure text formatting support functions. */ | |
280 extern char *file_name_as_prefix (const char *); | |
281 | |
282 #endif /* ! GCC_DIAGNOSTIC_H */ |