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
237
238
|
/* Concrete classes for implementing diagnostic paths.
Copyright (C) 2019-2024 Free Software Foundation, Inc.
Contributed by David Malcolm <dmalcolm@redhat.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/>. */
#include "config.h"
#define INCLUDE_MEMORY
#define INCLUDE_VECTOR
#include "system.h"
#include "coretypes.h"
#include "tree.h"
#include "version.h"
#include "demangle.h"
#include "intl.h"
#include "backtrace.h"
#include "diagnostic.h"
#include "simple-diagnostic-path.h"
#include "selftest.h"
/* class simple_diagnostic_path : public diagnostic_path. */
simple_diagnostic_path::simple_diagnostic_path (pretty_printer *event_pp)
: m_event_pp (event_pp),
m_localize_events (true)
{
add_thread ("main");
}
/* Implementation of diagnostic_path::num_events vfunc for
simple_diagnostic_path: simply get the number of events in the vec. */
unsigned
simple_diagnostic_path::num_events () const
{
return m_events.length ();
}
/* Implementation of diagnostic_path::get_event vfunc for
simple_diagnostic_path: simply return the event in the vec. */
const diagnostic_event &
simple_diagnostic_path::get_event (int idx) const
{
return *m_events[idx];
}
unsigned
simple_diagnostic_path::num_threads () const
{
return m_threads.length ();
}
const diagnostic_thread &
simple_diagnostic_path::get_thread (diagnostic_thread_id_t idx) const
{
return *m_threads[idx];
}
bool
simple_diagnostic_path::same_function_p (int event_idx_a,
int event_idx_b) const
{
return (m_events[event_idx_a]->get_fndecl ()
== m_events[event_idx_b]->get_fndecl ());
}
diagnostic_thread_id_t
simple_diagnostic_path::add_thread (const char *name)
{
m_threads.safe_push (new simple_diagnostic_thread (name));
return m_threads.length () - 1;
}
/* Add an event to this path at LOC within function FNDECL at
stack depth DEPTH.
Use m_context's printer to format FMT, as the text of the new
event. Localize FMT iff m_localize_events is set.
Return the id of the new event. */
diagnostic_event_id_t
simple_diagnostic_path::add_event (location_t loc, tree fndecl, int depth,
const char *fmt, ...)
{
pretty_printer *pp = m_event_pp;
pp_clear_output_area (pp);
rich_location rich_loc (line_table, UNKNOWN_LOCATION);
va_list ap;
va_start (ap, fmt);
text_info ti (m_localize_events ? _(fmt) : fmt,
&ap, 0, nullptr, &rich_loc);
pp_format (pp, &ti);
pp_output_formatted_text (pp);
va_end (ap);
simple_diagnostic_event *new_event
= new simple_diagnostic_event (loc, fndecl, depth, pp_formatted_text (pp));
m_events.safe_push (new_event);
pp_clear_output_area (pp);
return diagnostic_event_id_t (m_events.length () - 1);
}
diagnostic_event_id_t
simple_diagnostic_path::add_thread_event (diagnostic_thread_id_t thread_id,
location_t loc,
tree fndecl,
int depth,
const char *fmt, ...)
{
pretty_printer *pp = m_event_pp;
pp_clear_output_area (pp);
rich_location rich_loc (line_table, UNKNOWN_LOCATION);
va_list ap;
va_start (ap, fmt);
text_info ti (_(fmt), &ap, 0, nullptr, &rich_loc);
pp_format (pp, &ti);
pp_output_formatted_text (pp);
va_end (ap);
simple_diagnostic_event *new_event
= new simple_diagnostic_event (loc, fndecl, depth, pp_formatted_text (pp),
thread_id);
m_events.safe_push (new_event);
pp_clear_output_area (pp);
return diagnostic_event_id_t (m_events.length () - 1);
}
/* Mark the most recent event on this path (which must exist) as being
connected to the next one to be added. */
void
simple_diagnostic_path::connect_to_next_event ()
{
gcc_assert (m_events.length () > 0);
m_events[m_events.length () - 1]->connect_to_next_event ();
}
/* struct simple_diagnostic_event. */
/* simple_diagnostic_event's ctor. */
simple_diagnostic_event::
simple_diagnostic_event (location_t loc,
tree fndecl,
int depth,
const char *desc,
diagnostic_thread_id_t thread_id)
: m_loc (loc), m_fndecl (fndecl), m_logical_loc (fndecl),
m_depth (depth), m_desc (xstrdup (desc)),
m_connected_to_next_event (false),
m_thread_id (thread_id)
{
}
/* simple_diagnostic_event's dtor. */
simple_diagnostic_event::~simple_diagnostic_event ()
{
free (m_desc);
}
#if CHECKING_P
namespace selftest {
static void
test_intraprocedural_path (pretty_printer *event_pp)
{
tree fntype_void_void
= build_function_type_array (void_type_node, 0, NULL);
tree fndecl_foo = build_fn_decl ("foo", fntype_void_void);
simple_diagnostic_path path (event_pp);
path.add_event (UNKNOWN_LOCATION, fndecl_foo, 0, "first %qs", "free");
path.add_event (UNKNOWN_LOCATION, fndecl_foo, 0, "double %qs", "free");
ASSERT_EQ (path.num_events (), 2);
ASSERT_EQ (path.num_threads (), 1);
ASSERT_FALSE (path.interprocedural_p ());
ASSERT_STREQ (path.get_event (0).get_desc (false).get (), "first `free'");
ASSERT_STREQ (path.get_event (1).get_desc (false).get (), "double `free'");
}
/* Run all of the selftests within this file. */
void
simple_diagnostic_path_cc_tests ()
{
/* In a few places we use the global dc's printer to determine
colorization so ensure this off during the tests. */
pretty_printer *global_pp = global_dc->m_printer;
const bool saved_show_color = pp_show_color (global_pp);
pp_show_color (global_pp) = false;
auto_fix_quotes fix_quotes;
std::unique_ptr<pretty_printer> event_pp
= std::unique_ptr<pretty_printer> (global_pp->clone ());
test_intraprocedural_path (event_pp.get ());
pp_show_color (global_pp) = saved_show_color;
}
} // namespace selftest
#endif /* #if CHECKING_P */
|
