|
131
|
1 /* Support code for handling the various dump_* calls in dumpfile.h
|
|
|
2 Copyright (C) 2018 Free Software Foundation, Inc.
|
|
|
3 Contributed by David Malcolm <dmalcolm@redhat.com>.
|
|
|
4
|
|
|
5 This file is part of GCC.
|
|
|
6
|
|
|
7 GCC is free software; you can redistribute it and/or modify
|
|
|
8 it under the terms of the GNU General Public License as published by
|
|
|
9 the Free Software Foundation; either version 3, or (at your option)
|
|
|
10 any later version.
|
|
|
11
|
|
|
12 GCC is distributed in the hope that it will be useful,
|
|
|
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
15 GNU General Public License for more details.
|
|
|
16
|
|
|
17 You should have received a copy of the GNU General Public License
|
|
|
18 along with GCC; see the file COPYING3. If not see
|
|
|
19 <http://www.gnu.org/licenses/>. */
|
|
|
20
|
|
|
21
|
|
|
22 #ifndef GCC_DUMP_CONTEXT_H
|
|
|
23 #define GCC_DUMP_CONTEXT_H 1
|
|
|
24
|
|
|
25 #include "dumpfile.h"
|
|
|
26 #include "pretty-print.h"
|
|
|
27 #include "selftest.h"
|
|
|
28
|
|
|
29 namespace selftest { class temp_dump_context; }
|
|
|
30
|
|
|
31 /* A class for handling the various dump_* calls.
|
|
|
32
|
|
|
33 In particular, this class has responsibility for consolidating
|
|
|
34 the "dump_*" calls into optinfo instances (delimited by "dump_*_loc"
|
|
|
35 calls), and emitting them.
|
|
|
36
|
|
|
37 Putting this in a class (rather than as global state) allows
|
|
|
38 for selftesting of this code. */
|
|
|
39
|
|
|
40 class dump_context
|
|
|
41 {
|
|
|
42 friend class selftest::temp_dump_context;
|
|
|
43
|
|
|
44 public:
|
|
|
45 static dump_context &get () { return *s_current; }
|
|
|
46
|
|
|
47 ~dump_context ();
|
|
|
48
|
|
|
49 void refresh_dumps_are_enabled ();
|
|
|
50
|
|
|
51 void dump_loc (dump_flags_t dump_kind, const dump_location_t &loc);
|
|
|
52 void dump_loc_immediate (dump_flags_t dump_kind, const dump_location_t &loc);
|
|
|
53
|
|
|
54 void dump_gimple_stmt (dump_flags_t dump_kind, dump_flags_t extra_dump_flags,
|
|
|
55 gimple *gs, int spc);
|
|
|
56
|
|
|
57 void dump_gimple_stmt_loc (dump_flags_t dump_kind,
|
|
|
58 const dump_location_t &loc,
|
|
|
59 dump_flags_t extra_dump_flags,
|
|
|
60 gimple *gs, int spc);
|
|
|
61
|
|
|
62 void dump_gimple_expr (dump_flags_t dump_kind,
|
|
|
63 dump_flags_t extra_dump_flags,
|
|
|
64 gimple *gs, int spc);
|
|
|
65
|
|
|
66 void dump_gimple_expr_loc (dump_flags_t dump_kind,
|
|
|
67 const dump_location_t &loc,
|
|
|
68 dump_flags_t extra_dump_flags,
|
|
|
69 gimple *gs,
|
|
|
70 int spc);
|
|
|
71
|
|
|
72 void dump_generic_expr (dump_flags_t dump_kind,
|
|
|
73 dump_flags_t extra_dump_flags,
|
|
|
74 tree t);
|
|
|
75
|
|
|
76 void dump_generic_expr_loc (dump_flags_t dump_kind,
|
|
|
77 const dump_location_t &loc,
|
|
|
78 dump_flags_t extra_dump_flags,
|
|
|
79 tree t);
|
|
|
80
|
|
|
81 void dump_printf_va (dump_flags_t dump_kind, const char *format,
|
|
|
82 va_list *ap) ATTRIBUTE_GCC_DUMP_PRINTF (3, 0);
|
|
|
83
|
|
|
84 void dump_printf_loc_va (dump_flags_t dump_kind, const dump_location_t &loc,
|
|
|
85 const char *format, va_list *ap)
|
|
|
86 ATTRIBUTE_GCC_DUMP_PRINTF (4, 0);
|
|
|
87
|
|
|
88 template<unsigned int N, typename C>
|
|
|
89 void dump_dec (dump_flags_t dump_kind, const poly_int<N, C> &value);
|
|
|
90
|
|
|
91 void dump_symtab_node (dump_flags_t dump_kind, symtab_node *node);
|
|
|
92
|
|
|
93 /* Managing nested scopes. */
|
|
|
94 unsigned int get_scope_depth () const;
|
|
|
95 void begin_scope (const char *name, const dump_location_t &loc);
|
|
|
96 void end_scope ();
|
|
|
97
|
|
|
98 /* For use in selftests; if true then optinfo_enabled_p is true. */
|
|
|
99 bool forcibly_enable_optinfo_p () const
|
|
|
100 {
|
|
|
101 return m_forcibly_enable_optinfo;
|
|
|
102 }
|
|
|
103
|
|
|
104 void end_any_optinfo ();
|
|
|
105
|
|
|
106 void emit_item (optinfo_item *item, dump_flags_t dump_kind);
|
|
|
107
|
|
|
108 bool apply_dump_filter_p (dump_flags_t dump_kind, dump_flags_t filter) const;
|
|
|
109
|
|
|
110 private:
|
|
|
111 optinfo &ensure_pending_optinfo ();
|
|
|
112 optinfo &begin_next_optinfo (const dump_location_t &loc);
|
|
|
113
|
|
|
114 /* For use in selftests; if true then optinfo_enabled_p is true. */
|
|
|
115 bool m_forcibly_enable_optinfo;
|
|
|
116
|
|
|
117 /* The current nesting depth of dump scopes, for showing nesting
|
|
|
118 via indentation). */
|
|
|
119 unsigned int m_scope_depth;
|
|
|
120
|
|
|
121 /* The optinfo currently being accumulated since the last dump_*_loc call,
|
|
|
122 if any. */
|
|
|
123 optinfo *m_pending;
|
|
|
124
|
|
|
125 /* For use in selftests: if non-NULL, then items are to be printed
|
|
|
126 to this, using the given flags. */
|
|
|
127 pretty_printer *m_test_pp;
|
|
|
128 dump_flags_t m_test_pp_flags;
|
|
|
129
|
|
|
130 /* The currently active dump_context, for use by the dump_* API calls. */
|
|
|
131 static dump_context *s_current;
|
|
|
132
|
|
|
133 /* The default active context. */
|
|
|
134 static dump_context s_default;
|
|
|
135 };
|
|
|
136
|
|
|
137 /* A subclass of pretty_printer for implementing dump_context::dump_printf_va.
|
|
|
138 In particular, the formatted chunks are captured as optinfo_item instances,
|
|
|
139 thus retaining metadata about the entities being dumped (e.g. source
|
|
|
140 locations), rather than just as plain text. */
|
|
|
141
|
|
|
142 class dump_pretty_printer : public pretty_printer
|
|
|
143 {
|
|
|
144 public:
|
|
|
145 dump_pretty_printer (dump_context *context, dump_flags_t dump_kind);
|
|
|
146
|
|
|
147 void emit_items (optinfo *dest);
|
|
|
148
|
|
|
149 private:
|
|
|
150 /* Information on an optinfo_item that was generated during phase 2 of
|
|
|
151 formatting. */
|
|
|
152 struct stashed_item
|
|
|
153 {
|
|
|
154 stashed_item (const char **buffer_ptr_, optinfo_item *item_)
|
|
|
155 : buffer_ptr (buffer_ptr_), item (item_) {}
|
|
|
156 const char **buffer_ptr;
|
|
|
157 optinfo_item *item;
|
|
|
158 };
|
|
|
159
|
|
|
160 static bool format_decoder_cb (pretty_printer *pp, text_info *text,
|
|
|
161 const char *spec, int /*precision*/,
|
|
|
162 bool /*wide*/, bool /*set_locus*/,
|
|
|
163 bool /*verbose*/, bool */*quoted*/,
|
|
|
164 const char **buffer_ptr);
|
|
|
165
|
|
|
166 bool decode_format (text_info *text, const char *spec,
|
|
|
167 const char **buffer_ptr);
|
|
|
168
|
|
|
169 void stash_item (const char **buffer_ptr, optinfo_item *item);
|
|
|
170
|
|
|
171 void emit_any_pending_textual_chunks (optinfo *dest);
|
|
|
172
|
|
|
173 void emit_item (optinfo_item *item, optinfo *dest);
|
|
|
174
|
|
|
175 dump_context *m_context;
|
|
|
176 dump_flags_t m_dump_kind;
|
|
|
177 auto_vec<stashed_item> m_stashed_items;
|
|
|
178 };
|
|
|
179
|
|
|
180 #if CHECKING_P
|
|
|
181
|
|
|
182 namespace selftest {
|
|
|
183
|
|
|
184 /* An RAII-style class for use in selftests for temporarily using a different
|
|
|
185 dump_context. */
|
|
|
186
|
|
|
187 class temp_dump_context
|
|
|
188 {
|
|
|
189 public:
|
|
|
190 temp_dump_context (bool forcibly_enable_optinfo,
|
|
|
191 bool forcibly_enable_dumping,
|
|
|
192 dump_flags_t test_pp_flags);
|
|
|
193 ~temp_dump_context ();
|
|
|
194
|
|
|
195 /* Support for selftests. */
|
|
|
196 optinfo *get_pending_optinfo () const { return m_context.m_pending; }
|
|
|
197 const char *get_dumped_text ();
|
|
|
198
|
|
|
199 private:
|
|
|
200 pretty_printer m_pp;
|
|
|
201 dump_context m_context;
|
|
|
202 dump_context *m_saved;
|
|
|
203 };
|
|
|
204
|
|
|
205 /* Implementation detail of ASSERT_DUMPED_TEXT_EQ. */
|
|
|
206
|
|
|
207 extern void verify_dumped_text (const location &loc,
|
|
|
208 temp_dump_context *context,
|
|
|
209 const char *expected_text);
|
|
|
210
|
|
|
211 /* Verify that the text dumped so far in CONTEXT equals
|
|
|
212 EXPECTED_TEXT.
|
|
|
213 As a side-effect, the internal buffer is 0-terminated. */
|
|
|
214
|
|
|
215 #define ASSERT_DUMPED_TEXT_EQ(CONTEXT, EXPECTED_TEXT) \
|
|
|
216 SELFTEST_BEGIN_STMT \
|
|
|
217 verify_dumped_text (SELFTEST_LOCATION, &(CONTEXT), (EXPECTED_TEXT)); \
|
|
|
218 SELFTEST_END_STMT
|
|
|
219
|
|
|
220
|
|
|
221 /* Verify that ITEM has the expected values. */
|
|
|
222
|
|
|
223 void
|
|
|
224 verify_item (const location &loc,
|
|
|
225 const optinfo_item *item,
|
|
|
226 enum optinfo_item_kind expected_kind,
|
|
|
227 location_t expected_location,
|
|
|
228 const char *expected_text);
|
|
|
229
|
|
|
230 /* Verify that ITEM is a text item, with EXPECTED_TEXT. */
|
|
|
231
|
|
|
232 #define ASSERT_IS_TEXT(ITEM, EXPECTED_TEXT) \
|
|
|
233 SELFTEST_BEGIN_STMT \
|
|
|
234 verify_item (SELFTEST_LOCATION, (ITEM), OPTINFO_ITEM_KIND_TEXT, \
|
|
|
235 UNKNOWN_LOCATION, (EXPECTED_TEXT)); \
|
|
|
236 SELFTEST_END_STMT
|
|
|
237
|
|
|
238 /* Verify that ITEM is a tree item, with the expected values. */
|
|
|
239
|
|
|
240 #define ASSERT_IS_TREE(ITEM, EXPECTED_LOCATION, EXPECTED_TEXT) \
|
|
|
241 SELFTEST_BEGIN_STMT \
|
|
|
242 verify_item (SELFTEST_LOCATION, (ITEM), OPTINFO_ITEM_KIND_TREE, \
|
|
|
243 (EXPECTED_LOCATION), (EXPECTED_TEXT)); \
|
|
|
244 SELFTEST_END_STMT
|
|
|
245
|
|
|
246 /* Verify that ITEM is a gimple item, with the expected values. */
|
|
|
247
|
|
|
248 #define ASSERT_IS_GIMPLE(ITEM, EXPECTED_LOCATION, EXPECTED_TEXT) \
|
|
|
249 SELFTEST_BEGIN_STMT \
|
|
|
250 verify_item (SELFTEST_LOCATION, (ITEM), OPTINFO_ITEM_KIND_GIMPLE, \
|
|
|
251 (EXPECTED_LOCATION), (EXPECTED_TEXT)); \
|
|
|
252 SELFTEST_END_STMT
|
|
|
253
|
|
|
254 } // namespace selftest
|
|
|
255
|
|
|
256 #endif /* CHECKING_P */
|
|
|
257
|
|
|
258 #endif /* GCC_DUMP_CONTEXT_H */
|
