1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
/* Various declarations for language-independent diagnostics subroutines.
Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
Free Software Foundation, Inc.
Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_DIAGNOSTIC_H
#define GCC_DIAGNOSTIC_H
#include "pretty-print.h"
#include "options.h"
/* Constants used to discriminate diagnostics. */
typedef enum
{
#define DEFINE_DIAGNOSTIC_KIND(K, msgid) K,
#include "diagnostic.def"
#undef DEFINE_DIAGNOSTIC_KIND
DK_LAST_DIAGNOSTIC_KIND
} diagnostic_t;
/* A diagnostic is described by the MESSAGE to send, the FILE and LINE of
its context and its KIND (ice, error, warning, note, ...) See complete
list in diagnostic.def. */
typedef struct diagnostic_info
{
text_info message;
location_t location;
/* TREE_BLOCK if the diagnostic is to be reported in some inline
function inlined into other function, otherwise NULL. */
tree abstract_origin;
/* The kind of diagnostic it is about. */
diagnostic_t kind;
/* Which OPT_* directly controls this diagnostic. */
int option_index;
} diagnostic_info;
/* Forward declarations. */
typedef struct diagnostic_context diagnostic_context;
typedef void (*diagnostic_starter_fn) (diagnostic_context *,
diagnostic_info *);
typedef diagnostic_starter_fn diagnostic_finalizer_fn;
/* This data structure bundles altogether any information relevant to
the context of a diagnostic message. */
struct diagnostic_context
{
/* Where most of the diagnostic formatting work is done. */
pretty_printer *printer;
/* The number of times we have issued diagnostics. */
int diagnostic_count[DK_LAST_DIAGNOSTIC_KIND];
/* True if we should display the "warnings are being tread as error"
message, usually displayed once per compiler run. */
bool issue_warnings_are_errors_message;
/* True if it has been requested that warnings be treated as errors. */
bool warning_as_error_requested;
/* For each option index that can be passed to warning() et all
(OPT_* from options.h), this array may contain a new kind that
the diagnostic should be changed to before reporting, or
DK_UNSPECIFIED to leave it as the reported kind, or DK_IGNORED to
not report it at all. N_OPTS is from <options.h>. */
diagnostic_t classify_diagnostic[N_OPTS];
/* True if we should print the command line option which controls
each diagnostic, if known. */
bool show_option_requested;
/* True if we should raise a SIGABRT on errors. */
bool abort_on_error;
/* This function is called before any message is printed out. It is
responsible for preparing message prefix and such. For example, it
might say:
In file included from "/usr/local/include/curses.h:5:
from "/home/gdr/src/nifty_printer.h:56:
...
*/
diagnostic_starter_fn begin_diagnostic;
/* This function is called after the diagnostic message is printed. */
diagnostic_finalizer_fn end_diagnostic;
/* Client hook to report an internal error. */
void (*internal_error) (const char *, va_list *);
/* Function of last diagnostic message; more generally, function such that
if next diagnostic message is in it then we don't have to mention the
function name. */
tree last_function;
/* Used to detect when the input file stack has changed since last
described. */
const struct line_map *last_module;
int lock;
};
/* Client supplied function to announce a diagnostic. */
#define diagnostic_starter(DC) (DC)->begin_diagnostic
/* Client supplied function called after a diagnostic message is
displayed. */
#define diagnostic_finalizer(DC) (DC)->end_diagnostic
/* Extension hook for client. */
#define diagnostic_auxiliary_data(DC) (DC)->x_data
/* Same as pp_format_decoder. Works on 'diagnostic_context *'. */
#define diagnostic_format_decoder(DC) ((DC)->printer->format_decoder)
/* Same as output_prefixing_rule. Works on 'diagnostic_context *'. */
#define diagnostic_prefixing_rule(DC) ((DC)->printer->wrapping.rule)
/* Maximum characters per line in automatic line wrapping mode.
Zero means don't wrap lines. */
#define diagnostic_line_cutoff(DC) ((DC)->printer->wrapping.line_cutoff)
#define diagnostic_flush_buffer(DC) pp_base_flush ((DC)->printer)
/* True if the last function in which a diagnostic was reported is
different from the current one. */
#define diagnostic_last_function_changed(DC, DI) \
((DC)->last_function != ((DI)->abstract_origin \
? (DI)->abstract_origin : current_function_decl))
/* Remember the current function as being the last one in which we report
a diagnostic. */
#define diagnostic_set_last_function(DC, DI) \
(DC)->last_function = (((DI) && (DI)->abstract_origin) \
? (DI)->abstract_origin : current_function_decl)
/* True if the last module or file in which a diagnostic was reported is
different from the current one. */
#define diagnostic_last_module_changed(DC, MAP) \
((DC)->last_module != MAP)
/* Remember the current module or file as being the last one in which we
report a diagnostic. */
#define diagnostic_set_last_module(DC, MAP) \
(DC)->last_module = MAP
/* Raise SIGABRT on any diagnostic of severity DK_ERROR or higher. */
#define diagnostic_abort_on_error(DC) \
(DC)->abort_on_error = true
/* This diagnostic_context is used by front-ends that directly output
diagnostic messages without going through `error', `warning',
and similar functions. */
extern diagnostic_context *global_dc;
/* The total count of a KIND of diagnostics emitted so far. */
#define diagnostic_kind_count(DC, DK) (DC)->diagnostic_count[(int) (DK)]
/* The number of errors that have been issued so far. Ideally, these
would take a diagnostic_context as an argument. */
#define errorcount diagnostic_kind_count (global_dc, DK_ERROR)
/* Similarly, but for warnings. */
#define warningcount diagnostic_kind_count (global_dc, DK_WARNING)
/* Similarly, but for sorrys. */
#define sorrycount diagnostic_kind_count (global_dc, DK_SORRY)
/* Returns nonzero if warnings should be emitted. */
#define diagnostic_report_warnings_p(LOC) \
(!inhibit_warnings \
&& !(in_system_header_at (LOC) && !warn_system_headers))
#define report_diagnostic(D) diagnostic_report_diagnostic (global_dc, D)
/* Diagnostic related functions. */
extern void diagnostic_initialize (diagnostic_context *);
extern void diagnostic_report_current_module (diagnostic_context *);
extern void diagnostic_report_current_function (diagnostic_context *,
diagnostic_info *);
/* Force diagnostics controlled by OPTIDX to be kind KIND. */
extern diagnostic_t diagnostic_classify_diagnostic (diagnostic_context *,
int /* optidx */,
diagnostic_t /* kind */);
extern bool diagnostic_report_diagnostic (diagnostic_context *,
diagnostic_info *);
#ifdef ATTRIBUTE_GCC_DIAG
extern void diagnostic_set_info (diagnostic_info *, const char *, va_list *,
location_t, diagnostic_t) ATTRIBUTE_GCC_DIAG(2,0);
extern void diagnostic_set_info_translated (diagnostic_info *, const char *,
va_list *, location_t,
diagnostic_t)
ATTRIBUTE_GCC_DIAG(2,0);
extern bool emit_diagnostic (diagnostic_t, location_t, int,
const char *, ...) ATTRIBUTE_GCC_DIAG(4,5);
#endif
extern char *diagnostic_build_prefix (diagnostic_info *);
/* Pure text formatting support functions. */
extern char *file_name_as_prefix (const char *);
/* In tree-pretty-print.c */
extern void print_declaration (pretty_printer *, tree, int, int);
extern int dump_generic_node (pretty_printer *, tree, int, int, bool);
extern void print_generic_stmt (FILE *, tree, int);
extern void print_generic_stmt_indented (FILE *, tree, int, int);
extern void print_generic_expr (FILE *, tree, int);
extern void print_generic_decl (FILE *, tree, int);
extern void debug_c_tree (tree);
extern void dump_omp_clauses (pretty_printer *, tree, int, int);
/* In gimple-pretty-print.c */
extern void debug_generic_expr (tree);
extern void debug_generic_stmt (tree);
extern void debug_tree_chain (tree);
extern void debug_gimple_stmt (gimple);
extern void debug_gimple_seq (gimple_seq);
extern void print_gimple_seq (FILE *, gimple_seq, int, int);
extern void print_gimple_stmt (FILE *, gimple, int, int);
extern void print_gimple_expr (FILE *, gimple, int, int);
extern void dump_gimple_stmt (pretty_printer *, gimple, int, int);
#endif /* ! GCC_DIAGNOSTIC_H */
|
