Commit | Line | Data |
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50641945 | 1 | /* Parser for linespec for the GNU debugger, GDB. |
05ff989b | 2 | |
42a4f53d | 3 | Copyright (C) 1986-2019 Free Software Foundation, Inc. |
50641945 FN |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
50641945 FN |
10 | (at your option) any later version. |
11 | ||
12 | This program 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 | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
50641945 FN |
19 | |
20 | #include "defs.h" | |
21 | #include "symtab.h" | |
c5f0f3d0 FN |
22 | #include "frame.h" |
23 | #include "command.h" | |
50641945 FN |
24 | #include "symfile.h" |
25 | #include "objfiles.h" | |
0378c332 | 26 | #include "source.h" |
50641945 | 27 | #include "demangle.h" |
c5f0f3d0 FN |
28 | #include "value.h" |
29 | #include "completer.h" | |
015a42b4 | 30 | #include "cp-abi.h" |
12907978 | 31 | #include "cp-support.h" |
c38da1af | 32 | #include "parser-defs.h" |
fe898f56 | 33 | #include "block.h" |
d2630e69 | 34 | #include "objc-lang.h" |
b9362cc7 | 35 | #include "linespec.h" |
53c5240f | 36 | #include "language.h" |
dc67126b NR |
37 | #include "interps.h" |
38 | #include "mi/mi-cmds.h" | |
bccdca4a | 39 | #include "target.h" |
94af9270 | 40 | #include "arch-utils.h" |
c00f8484 KS |
41 | #include <ctype.h> |
42 | #include "cli/cli-utils.h" | |
731971ed | 43 | #include "filenames.h" |
f8eba3c6 | 44 | #include "ada-lang.h" |
39cf75f7 | 45 | #include "stack.h" |
f00aae0f | 46 | #include "location.h" |
14bc53a8 | 47 | #include "common/function-view.h" |
0fc21fd8 | 48 | #include "common/def-vector.h" |
41c1efc6 | 49 | #include <algorithm> |
f8eba3c6 | 50 | |
c45ec17c PA |
51 | /* An enumeration of the various things a user might attempt to |
52 | complete for a linespec location. */ | |
53 | ||
54 | enum class linespec_complete_what | |
55 | { | |
56 | /* Nothing, no possible completion. */ | |
57 | NOTHING, | |
58 | ||
59 | /* A function/method name. Due to ambiguity between | |
60 | ||
61 | (gdb) b source[TAB] | |
62 | source_file.c | |
63 | source_function | |
64 | ||
65 | this can also indicate a source filename, iff we haven't seen a | |
66 | separate source filename component, as in "b source.c:function". */ | |
67 | FUNCTION, | |
68 | ||
69 | /* A label symbol. E.g., break file.c:function:LABEL. */ | |
70 | LABEL, | |
71 | ||
72 | /* An expression. E.g., "break foo if EXPR", or "break *EXPR". */ | |
73 | EXPRESSION, | |
74 | ||
75 | /* A linespec keyword ("if"/"thread"/"task"). | |
76 | E.g., "break func threa<tab>". */ | |
77 | KEYWORD, | |
78 | }; | |
79 | ||
f8eba3c6 TT |
80 | /* An address entry is used to ensure that any given location is only |
81 | added to the result a single time. It holds an address and the | |
82 | program space from which the address came. */ | |
83 | ||
84 | struct address_entry | |
85 | { | |
86 | struct program_space *pspace; | |
87 | CORE_ADDR addr; | |
88 | }; | |
89 | ||
40e084e1 KS |
90 | /* A linespec. Elements of this structure are filled in by a parser |
91 | (either parse_linespec or some other function). The structure is | |
92 | then converted into SALs by convert_linespec_to_sals. */ | |
93 | ||
94 | struct linespec | |
95 | { | |
00e52e53 | 96 | /* An explicit location describing the SaLs. */ |
67994074 | 97 | struct explicit_location explicit_loc; |
40e084e1 KS |
98 | |
99 | /* The list of symtabs to search to which to limit the search. May not | |
00e52e53 KS |
100 | be NULL. If explicit.SOURCE_FILENAME is NULL (no user-specified |
101 | filename), FILE_SYMTABS should contain one single NULL member. This | |
102 | will cause the code to use the default symtab. */ | |
2a908241 | 103 | std::vector<symtab *> *file_symtabs; |
40e084e1 | 104 | |
40e084e1 | 105 | /* A list of matching function symbols and minimal symbols. Both lists |
7243d011 | 106 | may be NULL (or empty) if no matching symbols were found. */ |
7e41c8db | 107 | std::vector<block_symbol> *function_symbols; |
c2a031c5 | 108 | std::vector<bound_minimal_symbol> *minimal_symbols; |
40e084e1 | 109 | |
40e084e1 KS |
110 | /* A structure of matching label symbols and the corresponding |
111 | function symbol in which the label was found. Both may be NULL | |
112 | or both must be non-NULL. */ | |
113 | struct | |
114 | { | |
7e41c8db KS |
115 | std::vector<block_symbol> *label_symbols; |
116 | std::vector<block_symbol> *function_symbols; | |
40e084e1 | 117 | } labels; |
40e084e1 KS |
118 | }; |
119 | typedef struct linespec *linespec_p; | |
120 | ||
33f448b1 JK |
121 | /* A canonical linespec represented as a symtab-related string. |
122 | ||
123 | Each entry represents the "SYMTAB:SUFFIX" linespec string. | |
124 | SYMTAB can be converted for example by symtab_to_fullname or | |
125 | symtab_to_filename_for_display as needed. */ | |
126 | ||
127 | struct linespec_canonical_name | |
128 | { | |
129 | /* Remaining text part of the linespec string. */ | |
130 | char *suffix; | |
131 | ||
132 | /* If NULL then SUFFIX is the whole linespec string. */ | |
133 | struct symtab *symtab; | |
134 | }; | |
135 | ||
f8eba3c6 TT |
136 | /* An instance of this is used to keep all state while linespec |
137 | operates. This instance is passed around as a 'this' pointer to | |
138 | the various implementation methods. */ | |
139 | ||
140 | struct linespec_state | |
141 | { | |
40e084e1 KS |
142 | /* The language in use during linespec processing. */ |
143 | const struct language_defn *language; | |
144 | ||
f8eba3c6 TT |
145 | /* The program space as seen when the module was entered. */ |
146 | struct program_space *program_space; | |
147 | ||
c2f4122d PA |
148 | /* If not NULL, the search is restricted to just this program |
149 | space. */ | |
150 | struct program_space *search_pspace; | |
151 | ||
f8eba3c6 TT |
152 | /* The default symtab to use, if no other symtab is specified. */ |
153 | struct symtab *default_symtab; | |
154 | ||
155 | /* The default line to use. */ | |
156 | int default_line; | |
157 | ||
f8eba3c6 TT |
158 | /* The 'funfirstline' value that was passed in to decode_line_1 or |
159 | decode_line_full. */ | |
160 | int funfirstline; | |
161 | ||
162 | /* Nonzero if we are running in 'list' mode; see decode_line_list. */ | |
163 | int list_mode; | |
164 | ||
165 | /* The 'canonical' value passed to decode_line_full, or NULL. */ | |
166 | struct linespec_result *canonical; | |
167 | ||
6c5b2ebe | 168 | /* Canonical strings that mirror the std::vector<symtab_and_line> result. */ |
33f448b1 | 169 | struct linespec_canonical_name *canonical_names; |
f8eba3c6 TT |
170 | |
171 | /* This is a set of address_entry objects which is used to prevent | |
172 | duplicate symbols from being entered into the result. */ | |
173 | htab_t addr_set; | |
00e52e53 KS |
174 | |
175 | /* Are we building a linespec? */ | |
176 | int is_linespec; | |
f8eba3c6 TT |
177 | }; |
178 | ||
179 | /* This is a helper object that is used when collecting symbols into a | |
180 | result. */ | |
181 | ||
182 | struct collect_info | |
183 | { | |
184 | /* The linespec object in use. */ | |
185 | struct linespec_state *state; | |
186 | ||
40e084e1 | 187 | /* A list of symtabs to which to restrict matches. */ |
2a908241 | 188 | std::vector<symtab *> *file_symtabs; |
40e084e1 | 189 | |
f8eba3c6 | 190 | /* The result being accumulated. */ |
40e084e1 KS |
191 | struct |
192 | { | |
7e41c8db | 193 | std::vector<block_symbol> *symbols; |
c2a031c5 | 194 | std::vector<bound_minimal_symbol> *minimal_symbols; |
40e084e1 | 195 | } result; |
14bc53a8 PA |
196 | |
197 | /* Possibly add a symbol to the results. */ | |
fcaad03c | 198 | virtual bool add_symbol (block_symbol *bsym); |
f8eba3c6 | 199 | }; |
50641945 | 200 | |
14bc53a8 | 201 | bool |
7e41c8db | 202 | collect_info::add_symbol (block_symbol *bsym) |
14bc53a8 PA |
203 | { |
204 | /* In list mode, add all matching symbols, regardless of class. | |
205 | This allows the user to type "list a_global_variable". */ | |
7e41c8db KS |
206 | if (SYMBOL_CLASS (bsym->symbol) == LOC_BLOCK || this->state->list_mode) |
207 | this->result.symbols->push_back (*bsym); | |
14bc53a8 PA |
208 | |
209 | /* Continue iterating. */ | |
210 | return true; | |
211 | } | |
212 | ||
fcaad03c KS |
213 | /* Custom collect_info for symbol_searcher. */ |
214 | ||
215 | struct symbol_searcher_collect_info | |
216 | : collect_info | |
217 | { | |
218 | bool add_symbol (block_symbol *bsym) override | |
219 | { | |
220 | /* Add everything. */ | |
221 | this->result.symbols->push_back (*bsym); | |
222 | ||
223 | /* Continue iterating. */ | |
224 | return true; | |
225 | } | |
226 | }; | |
227 | ||
40e084e1 | 228 | /* Token types */ |
50641945 | 229 | |
40e084e1 KS |
230 | enum ls_token_type |
231 | { | |
232 | /* A keyword */ | |
233 | LSTOKEN_KEYWORD = 0, | |
44fe14ab | 234 | |
40e084e1 KS |
235 | /* A colon "separator" */ |
236 | LSTOKEN_COLON, | |
44fe14ab | 237 | |
40e084e1 KS |
238 | /* A string */ |
239 | LSTOKEN_STRING, | |
0960f083 | 240 | |
40e084e1 KS |
241 | /* A number */ |
242 | LSTOKEN_NUMBER, | |
243 | ||
244 | /* A comma */ | |
245 | LSTOKEN_COMMA, | |
246 | ||
247 | /* EOI (end of input) */ | |
248 | LSTOKEN_EOI, | |
249 | ||
250 | /* Consumed token */ | |
251 | LSTOKEN_CONSUMED | |
252 | }; | |
253 | typedef enum ls_token_type linespec_token_type; | |
254 | ||
c6756f62 PA |
255 | /* List of keywords. This is NULL-terminated so that it can be used |
256 | as enum completer. */ | |
257 | const char * const linespec_keywords[] = { "if", "thread", "task", NULL }; | |
0578b14e | 258 | #define IF_KEYWORD_INDEX 0 |
40e084e1 KS |
259 | |
260 | /* A token of the linespec lexer */ | |
261 | ||
262 | struct ls_token | |
263 | { | |
264 | /* The type of the token */ | |
265 | linespec_token_type type; | |
266 | ||
267 | /* Data for the token */ | |
268 | union | |
269 | { | |
270 | /* A string, given as a stoken */ | |
271 | struct stoken string; | |
272 | ||
273 | /* A keyword */ | |
274 | const char *keyword; | |
275 | } data; | |
276 | }; | |
277 | typedef struct ls_token linespec_token; | |
278 | ||
279 | #define LS_TOKEN_STOKEN(TOK) (TOK).data.string | |
280 | #define LS_TOKEN_KEYWORD(TOK) (TOK).data.keyword | |
281 | ||
282 | /* An instance of the linespec parser. */ | |
283 | ||
3a6ae42d | 284 | struct linespec_parser |
40e084e1 | 285 | { |
3a6ae42d TT |
286 | linespec_parser (int flags, const struct language_defn *language, |
287 | struct program_space *search_pspace, | |
288 | struct symtab *default_symtab, | |
289 | int default_line, | |
290 | struct linespec_result *canonical); | |
291 | ||
292 | ~linespec_parser (); | |
293 | ||
294 | DISABLE_COPY_AND_ASSIGN (linespec_parser); | |
295 | ||
40e084e1 KS |
296 | /* Lexer internal data */ |
297 | struct | |
298 | { | |
299 | /* Save head of input stream. */ | |
d7561cbb | 300 | const char *saved_arg; |
d2630e69 | 301 | |
40e084e1 | 302 | /* Head of the input stream. */ |
f00aae0f KS |
303 | const char *stream; |
304 | #define PARSER_STREAM(P) ((P)->lexer.stream) | |
614b3b14 | 305 | |
40e084e1 KS |
306 | /* The current token. */ |
307 | linespec_token current; | |
3a6ae42d | 308 | } lexer {}; |
93d91629 | 309 | |
40e084e1 | 310 | /* Is the entire linespec quote-enclosed? */ |
3a6ae42d | 311 | int is_quote_enclosed = 0; |
40e084e1 KS |
312 | |
313 | /* The state of the parse. */ | |
3a6ae42d | 314 | struct linespec_state state {}; |
40e084e1 | 315 | #define PARSER_STATE(PPTR) (&(PPTR)->state) |
4224873a | 316 | |
40e084e1 | 317 | /* The result of the parse. */ |
3a6ae42d | 318 | struct linespec result {}; |
40e084e1 | 319 | #define PARSER_RESULT(PPTR) (&(PPTR)->result) |
c45ec17c PA |
320 | |
321 | /* What the parser believes the current word point should complete | |
322 | to. */ | |
3a6ae42d | 323 | linespec_complete_what complete_what = linespec_complete_what::NOTHING; |
c45ec17c PA |
324 | |
325 | /* The completion word point. The parser advances this as it skips | |
326 | tokens. At some point the input string will end or parsing will | |
327 | fail, and then we attempt completion at the captured completion | |
328 | word point, interpreting the string at completion_word as | |
329 | COMPLETE_WHAT. */ | |
3a6ae42d | 330 | const char *completion_word = nullptr; |
c45ec17c PA |
331 | |
332 | /* If the current token was a quoted string, then this is the | |
333 | quoting character (either " or '). */ | |
3a6ae42d | 334 | int completion_quote_char = 0; |
c45ec17c PA |
335 | |
336 | /* If the current token was a quoted string, then this points at the | |
337 | end of the quoted string. */ | |
3a6ae42d | 338 | const char *completion_quote_end = nullptr; |
c45ec17c PA |
339 | |
340 | /* If parsing for completion, then this points at the completion | |
341 | tracker. Otherwise, this is NULL. */ | |
3a6ae42d | 342 | struct completion_tracker *completion_tracker = nullptr; |
40e084e1 | 343 | }; |
50641945 | 344 | |
00e52e53 KS |
345 | /* A convenience macro for accessing the explicit location result of |
346 | the parser. */ | |
67994074 | 347 | #define PARSER_EXPLICIT(PPTR) (&PARSER_RESULT ((PPTR))->explicit_loc) |
00e52e53 | 348 | |
40e084e1 | 349 | /* Prototypes for local functions. */ |
50641945 | 350 | |
14bc53a8 | 351 | static void iterate_over_file_blocks |
b5ec771e PA |
352 | (struct symtab *symtab, const lookup_name_info &name, |
353 | domain_enum domain, | |
14bc53a8 | 354 | gdb::function_view<symbol_found_callback_ftype> callback); |
4eeaa230 | 355 | |
40e084e1 KS |
356 | static void initialize_defaults (struct symtab **default_symtab, |
357 | int *default_line); | |
50641945 | 358 | |
a06efdd6 | 359 | CORE_ADDR linespec_expression_to_pc (const char **exp_ptr); |
aee8d8ba | 360 | |
6c5b2ebe PA |
361 | static std::vector<symtab_and_line> decode_objc (struct linespec_state *self, |
362 | linespec_p ls, | |
363 | const char *arg); | |
aee8d8ba | 364 | |
4717cec4 | 365 | static std::vector<symtab *> symtabs_from_filename |
2a908241 | 366 | (const char *, struct program_space *pspace); |
50641945 | 367 | |
7e41c8db KS |
368 | static std::vector<block_symbol> *find_label_symbols |
369 | (struct linespec_state *self, std::vector<block_symbol> *function_symbols, | |
370 | std::vector<block_symbol> *label_funcs_ret, const char *name, | |
7243d011 | 371 | bool completion_mode = false); |
50641945 | 372 | |
b1ae631a | 373 | static void find_linespec_symbols (struct linespec_state *self, |
2a908241 | 374 | std::vector<symtab *> *file_symtabs, |
b1ae631a | 375 | const char *name, |
a20714ff | 376 | symbol_name_match_type name_match_type, |
7e41c8db | 377 | std::vector<block_symbol> *symbols, |
c2a031c5 | 378 | std::vector<bound_minimal_symbol> *minsyms); |
f8eba3c6 | 379 | |
40e084e1 KS |
380 | static struct line_offset |
381 | linespec_parse_variable (struct linespec_state *self, | |
382 | const char *variable); | |
889f28e2 | 383 | |
f8eba3c6 TT |
384 | static int symbol_to_sal (struct symtab_and_line *result, |
385 | int funfirstline, struct symbol *sym); | |
50641945 | 386 | |
f8eba3c6 | 387 | static void add_matching_symbols_to_info (const char *name, |
b5ec771e | 388 | symbol_name_match_type name_match_type, |
56d87ef7 | 389 | enum search_domain search_domain, |
f8eba3c6 TT |
390 | struct collect_info *info, |
391 | struct program_space *pspace); | |
f3c39e76 | 392 | |
9b2f8581 TT |
393 | static void add_all_symbol_names_from_pspace |
394 | (struct collect_info *info, struct program_space *pspace, | |
395 | const std::vector<const char *> &names, enum search_domain search_domain); | |
9ef07c8c | 396 | |
4717cec4 | 397 | static std::vector<symtab *> |
c2f4122d PA |
398 | collect_symtabs_from_filename (const char *file, |
399 | struct program_space *pspace); | |
84fba31b | 400 | |
6c5b2ebe PA |
401 | static std::vector<symtab_and_line> decode_digits_ordinary |
402 | (struct linespec_state *self, | |
403 | linespec_p ls, | |
404 | int line, | |
405 | linetable_entry **best_entry); | |
14e91ac5 | 406 | |
6c5b2ebe PA |
407 | static std::vector<symtab_and_line> decode_digits_list_mode |
408 | (struct linespec_state *self, | |
409 | linespec_p ls, | |
410 | struct symtab_and_line val); | |
0f5238ed | 411 | |
40e084e1 KS |
412 | static void minsym_found (struct linespec_state *self, struct objfile *objfile, |
413 | struct minimal_symbol *msymbol, | |
6c5b2ebe | 414 | std::vector<symtab_and_line> *result); |
bca02a8a | 415 | |
7e41c8db | 416 | static bool compare_symbols (const block_symbol &a, const block_symbol &b); |
413dad4d | 417 | |
c2a031c5 KS |
418 | static bool compare_msymbols (const bound_minimal_symbol &a, |
419 | const bound_minimal_symbol &b); | |
413dad4d | 420 | |
40e084e1 KS |
421 | /* Permitted quote characters for the parser. This is different from the |
422 | completer's quote characters to allow backward compatibility with the | |
423 | previous parser. */ | |
424 | static const char *const linespec_quote_characters = "\"\'"; | |
f8eba3c6 | 425 | |
40e084e1 KS |
426 | /* Lexer functions. */ |
427 | ||
428 | /* Lex a number from the input in PARSER. This only supports | |
dd3818c8 KS |
429 | decimal numbers. |
430 | ||
d7cbec71 | 431 | Return true if input is decimal numbers. Return false if not. */ |
40e084e1 | 432 | |
d7cbec71 HZ |
433 | static int |
434 | linespec_lexer_lex_number (linespec_parser *parser, linespec_token *tokenp) | |
40e084e1 | 435 | { |
d7cbec71 HZ |
436 | tokenp->type = LSTOKEN_NUMBER; |
437 | LS_TOKEN_STOKEN (*tokenp).length = 0; | |
438 | LS_TOKEN_STOKEN (*tokenp).ptr = PARSER_STREAM (parser); | |
40e084e1 KS |
439 | |
440 | /* Keep any sign at the start of the stream. */ | |
441 | if (*PARSER_STREAM (parser) == '+' || *PARSER_STREAM (parser) == '-') | |
442 | { | |
d7cbec71 | 443 | ++LS_TOKEN_STOKEN (*tokenp).length; |
40e084e1 KS |
444 | ++(PARSER_STREAM (parser)); |
445 | } | |
446 | ||
447 | while (isdigit (*PARSER_STREAM (parser))) | |
448 | { | |
d7cbec71 | 449 | ++LS_TOKEN_STOKEN (*tokenp).length; |
40e084e1 | 450 | ++(PARSER_STREAM (parser)); |
f8eba3c6 | 451 | } |
40e084e1 | 452 | |
dd3818c8 | 453 | /* If the next character in the input buffer is not a space, comma, |
eff9c3e6 | 454 | quote, or colon, this input does not represent a number. */ |
dd3818c8 KS |
455 | if (*PARSER_STREAM (parser) != '\0' |
456 | && !isspace (*PARSER_STREAM (parser)) && *PARSER_STREAM (parser) != ',' | |
eff9c3e6 KS |
457 | && *PARSER_STREAM (parser) != ':' |
458 | && !strchr (linespec_quote_characters, *PARSER_STREAM (parser))) | |
d7cbec71 HZ |
459 | { |
460 | PARSER_STREAM (parser) = LS_TOKEN_STOKEN (*tokenp).ptr; | |
461 | return 0; | |
462 | } | |
463 | ||
464 | return 1; | |
f8eba3c6 TT |
465 | } |
466 | ||
32b40af9 | 467 | /* See linespec.h. */ |
f8eba3c6 | 468 | |
0578b14e | 469 | const char * |
40e084e1 | 470 | linespec_lexer_lex_keyword (const char *p) |
f8eba3c6 | 471 | { |
40e084e1 | 472 | int i; |
f8eba3c6 | 473 | |
40e084e1 KS |
474 | if (p != NULL) |
475 | { | |
c6756f62 | 476 | for (i = 0; linespec_keywords[i] != NULL; ++i) |
40e084e1 KS |
477 | { |
478 | int len = strlen (linespec_keywords[i]); | |
479 | ||
480 | /* If P begins with one of the keywords and the next | |
0578b14e KS |
481 | character is whitespace, we may have found a keyword. |
482 | It is only a keyword if it is not followed by another | |
483 | keyword. */ | |
40e084e1 | 484 | if (strncmp (p, linespec_keywords[i], len) == 0 |
0578b14e KS |
485 | && isspace (p[len])) |
486 | { | |
487 | int j; | |
488 | ||
489 | /* Special case: "if" ALWAYS stops the lexer, since it | |
490 | is not possible to predict what is going to appear in | |
491 | the condition, which can only be parsed after SaLs have | |
492 | been found. */ | |
493 | if (i != IF_KEYWORD_INDEX) | |
494 | { | |
495 | p += len; | |
f1735a53 | 496 | p = skip_spaces (p); |
c6756f62 | 497 | for (j = 0; linespec_keywords[j] != NULL; ++j) |
0578b14e KS |
498 | { |
499 | int nextlen = strlen (linespec_keywords[j]); | |
500 | ||
501 | if (strncmp (p, linespec_keywords[j], nextlen) == 0 | |
502 | && isspace (p[nextlen])) | |
503 | return NULL; | |
504 | } | |
505 | } | |
506 | ||
507 | return linespec_keywords[i]; | |
508 | } | |
40e084e1 KS |
509 | } |
510 | } | |
511 | ||
512 | return NULL; | |
f8eba3c6 TT |
513 | } |
514 | ||
87f0e720 | 515 | /* See description in linespec.h. */ |
f8eba3c6 | 516 | |
87f0e720 | 517 | int |
40e084e1 | 518 | is_ada_operator (const char *string) |
f8eba3c6 | 519 | { |
40e084e1 | 520 | const struct ada_opname_map *mapping; |
f8eba3c6 | 521 | |
40e084e1 KS |
522 | for (mapping = ada_opname_table; |
523 | mapping->encoded != NULL | |
61012eef | 524 | && !startswith (string, mapping->decoded); ++mapping) |
40e084e1 KS |
525 | ; |
526 | ||
527 | return mapping->decoded == NULL ? 0 : strlen (mapping->decoded); | |
f8eba3c6 TT |
528 | } |
529 | ||
40e084e1 KS |
530 | /* Find QUOTE_CHAR in STRING, accounting for the ':' terminal. Return |
531 | the location of QUOTE_CHAR, or NULL if not found. */ | |
f8eba3c6 | 532 | |
40e084e1 KS |
533 | static const char * |
534 | skip_quote_char (const char *string, char quote_char) | |
f8eba3c6 | 535 | { |
40e084e1 | 536 | const char *p, *last; |
f8eba3c6 | 537 | |
40e084e1 KS |
538 | p = last = find_toplevel_char (string, quote_char); |
539 | while (p && *p != '\0' && *p != ':') | |
540 | { | |
541 | p = find_toplevel_char (p, quote_char); | |
542 | if (p != NULL) | |
543 | last = p++; | |
544 | } | |
f8eba3c6 | 545 | |
40e084e1 | 546 | return last; |
f8eba3c6 | 547 | } |
50641945 | 548 | |
40e084e1 KS |
549 | /* Make a writable copy of the string given in TOKEN, trimming |
550 | any trailing whitespace. */ | |
50641945 | 551 | |
a5b5adf5 | 552 | static gdb::unique_xmalloc_ptr<char> |
40e084e1 | 553 | copy_token_string (linespec_token token) |
50641945 | 554 | { |
a5b5adf5 | 555 | const char *str, *s; |
e0881a8e | 556 | |
40e084e1 | 557 | if (token.type == LSTOKEN_KEYWORD) |
a5b5adf5 | 558 | return gdb::unique_xmalloc_ptr<char> (xstrdup (LS_TOKEN_KEYWORD (token))); |
255e7dbf | 559 | |
a5b5adf5 | 560 | str = LS_TOKEN_STOKEN (token).ptr; |
40e084e1 | 561 | s = remove_trailing_whitespace (str, str + LS_TOKEN_STOKEN (token).length); |
e0881a8e | 562 | |
a5b5adf5 | 563 | return gdb::unique_xmalloc_ptr<char> (savestring (str, s - str)); |
40e084e1 | 564 | } |
255e7dbf | 565 | |
40e084e1 | 566 | /* Does P represent the end of a quote-enclosed linespec? */ |
f3a5f1de | 567 | |
40e084e1 KS |
568 | static int |
569 | is_closing_quote_enclosed (const char *p) | |
570 | { | |
571 | if (strchr (linespec_quote_characters, *p)) | |
572 | ++p; | |
573 | p = skip_spaces ((char *) p); | |
574 | return (*p == '\0' || linespec_lexer_lex_keyword (p)); | |
50641945 FN |
575 | } |
576 | ||
40e084e1 KS |
577 | /* Find the end of the parameter list that starts with *INPUT. |
578 | This helper function assists with lexing string segments | |
579 | which might contain valid (non-terminating) commas. */ | |
481860b3 | 580 | |
d7561cbb KS |
581 | static const char * |
582 | find_parameter_list_end (const char *input) | |
481860b3 | 583 | { |
40e084e1 KS |
584 | char end_char, start_char; |
585 | int depth; | |
d7561cbb | 586 | const char *p; |
481860b3 | 587 | |
40e084e1 KS |
588 | start_char = *input; |
589 | if (start_char == '(') | |
590 | end_char = ')'; | |
591 | else if (start_char == '<') | |
592 | end_char = '>'; | |
593 | else | |
594 | return NULL; | |
481860b3 | 595 | |
40e084e1 KS |
596 | p = input; |
597 | depth = 0; | |
598 | while (*p) | |
481860b3 | 599 | { |
40e084e1 KS |
600 | if (*p == start_char) |
601 | ++depth; | |
602 | else if (*p == end_char) | |
603 | { | |
604 | if (--depth == 0) | |
605 | { | |
606 | ++p; | |
607 | break; | |
608 | } | |
609 | } | |
610 | ++p; | |
481860b3 | 611 | } |
40e084e1 KS |
612 | |
613 | return p; | |
481860b3 GB |
614 | } |
615 | ||
c45ec17c PA |
616 | /* If the [STRING, STRING_LEN) string ends with what looks like a |
617 | keyword, return the keyword start offset in STRING. Return -1 | |
618 | otherwise. */ | |
619 | ||
620 | static size_t | |
621 | string_find_incomplete_keyword_at_end (const char * const *keywords, | |
622 | const char *string, size_t string_len) | |
623 | { | |
624 | const char *end = string + string_len; | |
625 | const char *p = end; | |
626 | ||
627 | while (p > string && *p != ' ') | |
628 | --p; | |
629 | if (p > string) | |
630 | { | |
631 | p++; | |
632 | size_t len = end - p; | |
633 | for (size_t i = 0; keywords[i] != NULL; ++i) | |
634 | if (strncmp (keywords[i], p, len) == 0) | |
635 | return p - string; | |
636 | } | |
637 | ||
638 | return -1; | |
639 | } | |
74ccd7f5 | 640 | |
40e084e1 KS |
641 | /* Lex a string from the input in PARSER. */ |
642 | ||
643 | static linespec_token | |
644 | linespec_lexer_lex_string (linespec_parser *parser) | |
74ccd7f5 | 645 | { |
40e084e1 | 646 | linespec_token token; |
d7561cbb | 647 | const char *start = PARSER_STREAM (parser); |
74ccd7f5 | 648 | |
40e084e1 | 649 | token.type = LSTOKEN_STRING; |
74ccd7f5 | 650 | |
40e084e1 KS |
651 | /* If the input stream starts with a quote character, skip to the next |
652 | quote character, regardless of the content. */ | |
653 | if (strchr (linespec_quote_characters, *PARSER_STREAM (parser))) | |
654 | { | |
655 | const char *end; | |
656 | char quote_char = *PARSER_STREAM (parser); | |
50641945 | 657 | |
40e084e1 KS |
658 | /* Special case: Ada operators. */ |
659 | if (PARSER_STATE (parser)->language->la_language == language_ada | |
660 | && quote_char == '\"') | |
661 | { | |
662 | int len = is_ada_operator (PARSER_STREAM (parser)); | |
50641945 | 663 | |
40e084e1 KS |
664 | if (len != 0) |
665 | { | |
666 | /* The input is an Ada operator. Return the quoted string | |
667 | as-is. */ | |
668 | LS_TOKEN_STOKEN (token).ptr = PARSER_STREAM (parser); | |
669 | LS_TOKEN_STOKEN (token).length = len; | |
670 | PARSER_STREAM (parser) += len; | |
671 | return token; | |
672 | } | |
f8eba3c6 | 673 | |
40e084e1 KS |
674 | /* The input does not represent an Ada operator -- fall through |
675 | to normal quoted string handling. */ | |
676 | } | |
f8eba3c6 | 677 | |
40e084e1 KS |
678 | /* Skip past the beginning quote. */ |
679 | ++(PARSER_STREAM (parser)); | |
74ccd7f5 | 680 | |
40e084e1 KS |
681 | /* Mark the start of the string. */ |
682 | LS_TOKEN_STOKEN (token).ptr = PARSER_STREAM (parser); | |
f8eba3c6 | 683 | |
40e084e1 KS |
684 | /* Skip to the ending quote. */ |
685 | end = skip_quote_char (PARSER_STREAM (parser), quote_char); | |
686 | ||
c45ec17c PA |
687 | /* This helps the completer mode decide whether we have a |
688 | complete string. */ | |
689 | parser->completion_quote_char = quote_char; | |
690 | parser->completion_quote_end = end; | |
40e084e1 | 691 | |
c45ec17c PA |
692 | /* Error if the input did not terminate properly, unless in |
693 | completion mode. */ | |
694 | if (end == NULL) | |
695 | { | |
696 | if (parser->completion_tracker == NULL) | |
697 | error (_("unmatched quote")); | |
698 | ||
699 | /* In completion mode, we'll try to complete the incomplete | |
700 | token. */ | |
701 | token.type = LSTOKEN_STRING; | |
702 | while (*PARSER_STREAM (parser) != '\0') | |
703 | PARSER_STREAM (parser)++; | |
704 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 1 - start; | |
705 | } | |
706 | else | |
707 | { | |
708 | /* Skip over the ending quote and mark the length of the string. */ | |
709 | PARSER_STREAM (parser) = (char *) ++end; | |
710 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 2 - start; | |
711 | } | |
40e084e1 KS |
712 | } |
713 | else | |
714 | { | |
d7561cbb | 715 | const char *p; |
40e084e1 KS |
716 | |
717 | /* Otherwise, only identifier characters are permitted. | |
718 | Spaces are the exception. In general, we keep spaces, | |
719 | but only if the next characters in the input do not resolve | |
720 | to one of the keywords. | |
721 | ||
722 | This allows users to forgo quoting CV-qualifiers, template arguments, | |
723 | and similar common language constructs. */ | |
724 | ||
725 | while (1) | |
726 | { | |
727 | if (isspace (*PARSER_STREAM (parser))) | |
728 | { | |
f1735a53 | 729 | p = skip_spaces (PARSER_STREAM (parser)); |
7c09e5a0 DE |
730 | /* When we get here we know we've found something followed by |
731 | a space (we skip over parens and templates below). | |
732 | So if we find a keyword now, we know it is a keyword and not, | |
733 | say, a function name. */ | |
40e084e1 KS |
734 | if (linespec_lexer_lex_keyword (p) != NULL) |
735 | { | |
736 | LS_TOKEN_STOKEN (token).ptr = start; | |
737 | LS_TOKEN_STOKEN (token).length | |
738 | = PARSER_STREAM (parser) - start; | |
739 | return token; | |
740 | } | |
741 | ||
742 | /* Advance past the whitespace. */ | |
743 | PARSER_STREAM (parser) = p; | |
744 | } | |
745 | ||
746 | /* If the next character is EOI or (single) ':', the | |
747 | string is complete; return the token. */ | |
748 | if (*PARSER_STREAM (parser) == 0) | |
749 | { | |
750 | LS_TOKEN_STOKEN (token).ptr = start; | |
751 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
752 | return token; | |
753 | } | |
754 | else if (PARSER_STREAM (parser)[0] == ':') | |
755 | { | |
756 | /* Do not tokenize the C++ scope operator. */ | |
757 | if (PARSER_STREAM (parser)[1] == ':') | |
758 | ++(PARSER_STREAM (parser)); | |
759 | ||
bd69330d PA |
760 | /* Do not tokenize ABI tags such as "[abi:cxx11]". */ |
761 | else if (PARSER_STREAM (parser) - start > 4 | |
762 | && startswith (PARSER_STREAM (parser) - 4, "[abi")) | |
763 | ++(PARSER_STREAM (parser)); | |
764 | ||
40e084e1 KS |
765 | /* Do not tokenify if the input length so far is one |
766 | (i.e, a single-letter drive name) and the next character | |
767 | is a directory separator. This allows Windows-style | |
768 | paths to be recognized as filenames without quoting it. */ | |
769 | else if ((PARSER_STREAM (parser) - start) != 1 | |
770 | || !IS_DIR_SEPARATOR (PARSER_STREAM (parser)[1])) | |
771 | { | |
772 | LS_TOKEN_STOKEN (token).ptr = start; | |
773 | LS_TOKEN_STOKEN (token).length | |
774 | = PARSER_STREAM (parser) - start; | |
775 | return token; | |
776 | } | |
777 | } | |
778 | /* Special case: permit quote-enclosed linespecs. */ | |
779 | else if (parser->is_quote_enclosed | |
780 | && strchr (linespec_quote_characters, | |
781 | *PARSER_STREAM (parser)) | |
782 | && is_closing_quote_enclosed (PARSER_STREAM (parser))) | |
783 | { | |
784 | LS_TOKEN_STOKEN (token).ptr = start; | |
785 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
786 | return token; | |
787 | } | |
788 | /* Because commas may terminate a linespec and appear in | |
789 | the middle of valid string input, special cases for | |
790 | '<' and '(' are necessary. */ | |
791 | else if (*PARSER_STREAM (parser) == '<' | |
792 | || *PARSER_STREAM (parser) == '(') | |
793 | { | |
be966d42 PA |
794 | /* Don't interpret 'operator<' / 'operator<<' as a |
795 | template parameter list though. */ | |
796 | if (*PARSER_STREAM (parser) == '<' | |
797 | && (PARSER_STATE (parser)->language->la_language | |
798 | == language_cplus) | |
799 | && (PARSER_STREAM (parser) - start) >= CP_OPERATOR_LEN) | |
800 | { | |
b926417a | 801 | const char *op = PARSER_STREAM (parser); |
be966d42 | 802 | |
b926417a TT |
803 | while (op > start && isspace (op[-1])) |
804 | op--; | |
805 | if (op - start >= CP_OPERATOR_LEN) | |
be966d42 | 806 | { |
b926417a TT |
807 | op -= CP_OPERATOR_LEN; |
808 | if (strncmp (op, CP_OPERATOR_STR, CP_OPERATOR_LEN) == 0 | |
809 | && (op == start | |
810 | || !(isalnum (op[-1]) || op[-1] == '_'))) | |
be966d42 PA |
811 | { |
812 | /* This is an operator name. Keep going. */ | |
813 | ++(PARSER_STREAM (parser)); | |
814 | if (*PARSER_STREAM (parser) == '<') | |
815 | ++(PARSER_STREAM (parser)); | |
816 | continue; | |
817 | } | |
818 | } | |
819 | } | |
820 | ||
b926417a TT |
821 | const char *end = find_parameter_list_end (PARSER_STREAM (parser)); |
822 | PARSER_STREAM (parser) = end; | |
40e084e1 | 823 | |
be966d42 PA |
824 | /* Don't loop around to the normal \0 case above because |
825 | we don't want to misinterpret a potential keyword at | |
826 | the end of the token when the string isn't | |
827 | "()<>"-balanced. This handles "b | |
828 | function(thread<tab>" in completion mode. */ | |
b926417a | 829 | if (*end == '\0') |
40e084e1 | 830 | { |
be966d42 PA |
831 | LS_TOKEN_STOKEN (token).ptr = start; |
832 | LS_TOKEN_STOKEN (token).length | |
833 | = PARSER_STREAM (parser) - start; | |
834 | return token; | |
40e084e1 | 835 | } |
be966d42 PA |
836 | else |
837 | continue; | |
40e084e1 KS |
838 | } |
839 | /* Commas are terminators, but not if they are part of an | |
840 | operator name. */ | |
841 | else if (*PARSER_STREAM (parser) == ',') | |
842 | { | |
843 | if ((PARSER_STATE (parser)->language->la_language | |
844 | == language_cplus) | |
8090b426 | 845 | && (PARSER_STREAM (parser) - start) > CP_OPERATOR_LEN) |
40e084e1 | 846 | { |
b926417a | 847 | const char *op = strstr (start, CP_OPERATOR_STR); |
40e084e1 | 848 | |
b926417a | 849 | if (op != NULL && is_operator_name (op)) |
40e084e1 KS |
850 | { |
851 | /* This is an operator name. Keep going. */ | |
852 | ++(PARSER_STREAM (parser)); | |
853 | continue; | |
854 | } | |
855 | } | |
856 | ||
857 | /* Comma terminates the string. */ | |
858 | LS_TOKEN_STOKEN (token).ptr = start; | |
859 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
860 | return token; | |
861 | } | |
862 | ||
863 | /* Advance the stream. */ | |
864 | ++(PARSER_STREAM (parser)); | |
865 | } | |
866 | } | |
867 | ||
868 | return token; | |
869 | } | |
870 | ||
871 | /* Lex a single linespec token from PARSER. */ | |
872 | ||
873 | static linespec_token | |
874 | linespec_lexer_lex_one (linespec_parser *parser) | |
875 | { | |
876 | const char *keyword; | |
877 | ||
878 | if (parser->lexer.current.type == LSTOKEN_CONSUMED) | |
879 | { | |
880 | /* Skip any whitespace. */ | |
f1735a53 | 881 | PARSER_STREAM (parser) = skip_spaces (PARSER_STREAM (parser)); |
40e084e1 | 882 | |
7c09e5a0 | 883 | /* Check for a keyword, they end the linespec. */ |
0578b14e | 884 | keyword = linespec_lexer_lex_keyword (PARSER_STREAM (parser)); |
40e084e1 KS |
885 | if (keyword != NULL) |
886 | { | |
887 | parser->lexer.current.type = LSTOKEN_KEYWORD; | |
888 | LS_TOKEN_KEYWORD (parser->lexer.current) = keyword; | |
0578b14e KS |
889 | /* We do not advance the stream here intentionally: |
890 | we would like lexing to stop when a keyword is seen. | |
891 | ||
892 | PARSER_STREAM (parser) += strlen (keyword); */ | |
893 | ||
40e084e1 KS |
894 | return parser->lexer.current; |
895 | } | |
896 | ||
897 | /* Handle other tokens. */ | |
898 | switch (*PARSER_STREAM (parser)) | |
899 | { | |
900 | case 0: | |
901 | parser->lexer.current.type = LSTOKEN_EOI; | |
902 | break; | |
903 | ||
904 | case '+': case '-': | |
905 | case '0': case '1': case '2': case '3': case '4': | |
906 | case '5': case '6': case '7': case '8': case '9': | |
d7cbec71 HZ |
907 | if (!linespec_lexer_lex_number (parser, &(parser->lexer.current))) |
908 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
40e084e1 KS |
909 | break; |
910 | ||
911 | case ':': | |
912 | /* If we have a scope operator, lex the input as a string. | |
913 | Otherwise, return LSTOKEN_COLON. */ | |
914 | if (PARSER_STREAM (parser)[1] == ':') | |
915 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
916 | else | |
917 | { | |
918 | parser->lexer.current.type = LSTOKEN_COLON; | |
919 | ++(PARSER_STREAM (parser)); | |
920 | } | |
921 | break; | |
922 | ||
923 | case '\'': case '\"': | |
924 | /* Special case: permit quote-enclosed linespecs. */ | |
925 | if (parser->is_quote_enclosed | |
926 | && is_closing_quote_enclosed (PARSER_STREAM (parser))) | |
927 | { | |
928 | ++(PARSER_STREAM (parser)); | |
929 | parser->lexer.current.type = LSTOKEN_EOI; | |
930 | } | |
931 | else | |
932 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
933 | break; | |
934 | ||
935 | case ',': | |
936 | parser->lexer.current.type = LSTOKEN_COMMA; | |
937 | LS_TOKEN_STOKEN (parser->lexer.current).ptr | |
938 | = PARSER_STREAM (parser); | |
939 | LS_TOKEN_STOKEN (parser->lexer.current).length = 1; | |
940 | ++(PARSER_STREAM (parser)); | |
941 | break; | |
942 | ||
943 | default: | |
944 | /* If the input is not a number, it must be a string. | |
945 | [Keywords were already considered above.] */ | |
946 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
947 | break; | |
948 | } | |
949 | } | |
950 | ||
951 | return parser->lexer.current; | |
952 | } | |
953 | ||
954 | /* Consume the current token and return the next token in PARSER's | |
c45ec17c PA |
955 | input stream. Also advance the completion word for completion |
956 | mode. */ | |
40e084e1 KS |
957 | |
958 | static linespec_token | |
959 | linespec_lexer_consume_token (linespec_parser *parser) | |
960 | { | |
c45ec17c PA |
961 | gdb_assert (parser->lexer.current.type != LSTOKEN_EOI); |
962 | ||
963 | bool advance_word = (parser->lexer.current.type != LSTOKEN_STRING | |
964 | || *PARSER_STREAM (parser) != '\0'); | |
965 | ||
966 | /* If we're moving past a string to some other token, it must be the | |
967 | quote was terminated. */ | |
968 | if (parser->completion_quote_char) | |
969 | { | |
970 | gdb_assert (parser->lexer.current.type == LSTOKEN_STRING); | |
971 | ||
972 | /* If the string was the last (non-EOI) token, we're past the | |
973 | quote, but remember that for later. */ | |
974 | if (*PARSER_STREAM (parser) != '\0') | |
975 | { | |
976 | parser->completion_quote_char = '\0'; | |
977 | parser->completion_quote_end = NULL;; | |
978 | } | |
979 | } | |
980 | ||
40e084e1 | 981 | parser->lexer.current.type = LSTOKEN_CONSUMED; |
c45ec17c PA |
982 | linespec_lexer_lex_one (parser); |
983 | ||
984 | if (parser->lexer.current.type == LSTOKEN_STRING) | |
985 | { | |
986 | /* Advance the completion word past a potential initial | |
987 | quote-char. */ | |
988 | parser->completion_word = LS_TOKEN_STOKEN (parser->lexer.current).ptr; | |
989 | } | |
990 | else if (advance_word) | |
991 | { | |
992 | /* Advance the completion word past any whitespace. */ | |
993 | parser->completion_word = PARSER_STREAM (parser); | |
994 | } | |
995 | ||
996 | return parser->lexer.current; | |
40e084e1 KS |
997 | } |
998 | ||
999 | /* Return the next token without consuming the current token. */ | |
1000 | ||
1001 | static linespec_token | |
1002 | linespec_lexer_peek_token (linespec_parser *parser) | |
1003 | { | |
1004 | linespec_token next; | |
d7561cbb | 1005 | const char *saved_stream = PARSER_STREAM (parser); |
40e084e1 | 1006 | linespec_token saved_token = parser->lexer.current; |
c45ec17c PA |
1007 | int saved_completion_quote_char = parser->completion_quote_char; |
1008 | const char *saved_completion_quote_end = parser->completion_quote_end; | |
1009 | const char *saved_completion_word = parser->completion_word; | |
40e084e1 KS |
1010 | |
1011 | next = linespec_lexer_consume_token (parser); | |
1012 | PARSER_STREAM (parser) = saved_stream; | |
1013 | parser->lexer.current = saved_token; | |
c45ec17c PA |
1014 | parser->completion_quote_char = saved_completion_quote_char; |
1015 | parser->completion_quote_end = saved_completion_quote_end; | |
1016 | parser->completion_word = saved_completion_word; | |
40e084e1 KS |
1017 | return next; |
1018 | } | |
1019 | ||
1020 | /* Helper functions. */ | |
1021 | ||
40e084e1 KS |
1022 | /* Add SAL to SALS, and also update SELF->CANONICAL_NAMES to reflect |
1023 | the new sal, if needed. If not NULL, SYMNAME is the name of the | |
66f1999b KS |
1024 | symbol to use when constructing the new canonical name. |
1025 | ||
1026 | If LITERAL_CANONICAL is non-zero, SYMNAME will be used as the | |
1027 | canonical name for the SAL. */ | |
40e084e1 KS |
1028 | |
1029 | static void | |
1030 | add_sal_to_sals (struct linespec_state *self, | |
6c5b2ebe | 1031 | std::vector<symtab_and_line> *sals, |
40e084e1 | 1032 | struct symtab_and_line *sal, |
66f1999b | 1033 | const char *symname, int literal_canonical) |
40e084e1 | 1034 | { |
6c5b2ebe | 1035 | sals->push_back (*sal); |
40e084e1 KS |
1036 | |
1037 | if (self->canonical) | |
1038 | { | |
33f448b1 | 1039 | struct linespec_canonical_name *canonical; |
40e084e1 | 1040 | |
224c3ddb | 1041 | self->canonical_names = XRESIZEVEC (struct linespec_canonical_name, |
6c5b2ebe PA |
1042 | self->canonical_names, |
1043 | sals->size ()); | |
1044 | canonical = &self->canonical_names[sals->size () - 1]; | |
4e04028d | 1045 | if (!literal_canonical && sal->symtab) |
40e084e1 | 1046 | { |
df140a0b TS |
1047 | symtab_to_fullname (sal->symtab); |
1048 | ||
40e084e1 KS |
1049 | /* Note that the filter doesn't have to be a valid linespec |
1050 | input. We only apply the ":LINE" treatment to Ada for | |
1051 | the time being. */ | |
1052 | if (symname != NULL && sal->line != 0 | |
1053 | && self->language->la_language == language_ada) | |
33f448b1 | 1054 | canonical->suffix = xstrprintf ("%s:%d", symname, sal->line); |
40e084e1 | 1055 | else if (symname != NULL) |
33f448b1 | 1056 | canonical->suffix = xstrdup (symname); |
40e084e1 | 1057 | else |
33f448b1 JK |
1058 | canonical->suffix = xstrprintf ("%d", sal->line); |
1059 | canonical->symtab = sal->symtab; | |
1060 | } | |
1061 | else | |
1062 | { | |
1063 | if (symname != NULL) | |
1064 | canonical->suffix = xstrdup (symname); | |
1065 | else | |
e617b069 | 1066 | canonical->suffix = xstrdup ("<unknown>"); |
33f448b1 | 1067 | canonical->symtab = NULL; |
40e084e1 | 1068 | } |
40e084e1 KS |
1069 | } |
1070 | } | |
1071 | ||
1072 | /* A hash function for address_entry. */ | |
1073 | ||
1074 | static hashval_t | |
1075 | hash_address_entry (const void *p) | |
1076 | { | |
9a3c8263 | 1077 | const struct address_entry *aep = (const struct address_entry *) p; |
40e084e1 KS |
1078 | hashval_t hash; |
1079 | ||
1080 | hash = iterative_hash_object (aep->pspace, 0); | |
1081 | return iterative_hash_object (aep->addr, hash); | |
1082 | } | |
1083 | ||
1084 | /* An equality function for address_entry. */ | |
1085 | ||
1086 | static int | |
1087 | eq_address_entry (const void *a, const void *b) | |
1088 | { | |
9a3c8263 SM |
1089 | const struct address_entry *aea = (const struct address_entry *) a; |
1090 | const struct address_entry *aeb = (const struct address_entry *) b; | |
40e084e1 KS |
1091 | |
1092 | return aea->pspace == aeb->pspace && aea->addr == aeb->addr; | |
1093 | } | |
1094 | ||
1095 | /* Check whether the address, represented by PSPACE and ADDR, is | |
1096 | already in the set. If so, return 0. Otherwise, add it and return | |
1097 | 1. */ | |
1098 | ||
1099 | static int | |
1100 | maybe_add_address (htab_t set, struct program_space *pspace, CORE_ADDR addr) | |
1101 | { | |
1102 | struct address_entry e, *p; | |
1103 | void **slot; | |
1104 | ||
1105 | e.pspace = pspace; | |
1106 | e.addr = addr; | |
1107 | slot = htab_find_slot (set, &e, INSERT); | |
1108 | if (*slot) | |
1109 | return 0; | |
1110 | ||
1111 | p = XNEW (struct address_entry); | |
1112 | memcpy (p, &e, sizeof (struct address_entry)); | |
1113 | *slot = p; | |
1114 | ||
1115 | return 1; | |
1116 | } | |
1117 | ||
40e084e1 KS |
1118 | /* A helper that walks over all matching symtabs in all objfiles and |
1119 | calls CALLBACK for each symbol matching NAME. If SEARCH_PSPACE is | |
1120 | not NULL, then the search is restricted to just that program | |
14bc53a8 | 1121 | space. If INCLUDE_INLINE is true then symbols representing |
40e084e1 KS |
1122 | inlined instances of functions will be included in the result. */ |
1123 | ||
1124 | static void | |
14bc53a8 | 1125 | iterate_over_all_matching_symtabs |
b5ec771e PA |
1126 | (struct linespec_state *state, |
1127 | const lookup_name_info &lookup_name, | |
1128 | const domain_enum name_domain, | |
56d87ef7 | 1129 | enum search_domain search_domain, |
14bc53a8 PA |
1130 | struct program_space *search_pspace, bool include_inline, |
1131 | gdb::function_view<symbol_found_callback_ftype> callback) | |
40e084e1 | 1132 | { |
40e084e1 | 1133 | struct program_space *pspace; |
40e084e1 | 1134 | |
40e084e1 KS |
1135 | ALL_PSPACES (pspace) |
1136 | { | |
1137 | if (search_pspace != NULL && search_pspace != pspace) | |
1138 | continue; | |
1139 | if (pspace->executing_startup) | |
f8eba3c6 TT |
1140 | continue; |
1141 | ||
1142 | set_current_program_space (pspace); | |
50641945 | 1143 | |
2030c079 | 1144 | for (objfile *objfile : current_program_space->objfiles ()) |
aed57c53 | 1145 | { |
aed57c53 TT |
1146 | if (objfile->sf) |
1147 | objfile->sf->qf->expand_symtabs_matching (objfile, | |
1148 | NULL, | |
1149 | lookup_name, | |
1150 | NULL, NULL, | |
1151 | search_domain); | |
f8eba3c6 | 1152 | |
b669c953 | 1153 | for (compunit_symtab *cu : objfile->compunits ()) |
aed57c53 TT |
1154 | { |
1155 | struct symtab *symtab = COMPUNIT_FILETABS (cu); | |
43f3e411 | 1156 | |
aed57c53 TT |
1157 | iterate_over_file_blocks (symtab, lookup_name, name_domain, |
1158 | callback); | |
481860b3 | 1159 | |
aed57c53 TT |
1160 | if (include_inline) |
1161 | { | |
1162 | struct block *block; | |
1163 | int i; | |
481860b3 | 1164 | |
aed57c53 TT |
1165 | for (i = FIRST_LOCAL_BLOCK; |
1166 | i < BLOCKVECTOR_NBLOCKS (SYMTAB_BLOCKVECTOR (symtab)); | |
1167 | i++) | |
1168 | { | |
1169 | block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), i); | |
1170 | state->language->la_iterate_over_symbols | |
1171 | (block, lookup_name, name_domain, | |
1172 | [&] (block_symbol *bsym) | |
1173 | { | |
1174 | /* Restrict calls to CALLBACK to symbols | |
1175 | representing inline symbols only. */ | |
1176 | if (SYMBOL_INLINED (bsym->symbol)) | |
1177 | return callback (bsym); | |
1178 | return true; | |
1179 | }); | |
1180 | } | |
1181 | } | |
1182 | } | |
1183 | } | |
f8eba3c6 | 1184 | } |
50641945 FN |
1185 | } |
1186 | ||
4eeaa230 DE |
1187 | /* Returns the block to be used for symbol searches from |
1188 | the current location. */ | |
e8eb7bc5 | 1189 | |
3977b71f | 1190 | static const struct block * |
e482a1a7 | 1191 | get_current_search_block (void) |
e8eb7bc5 | 1192 | { |
3977b71f | 1193 | const struct block *block; |
4eeaa230 | 1194 | enum language save_language; |
e8eb7bc5 | 1195 | |
4eeaa230 DE |
1196 | /* get_selected_block can change the current language when there is |
1197 | no selected frame yet. */ | |
1198 | save_language = current_language->la_language; | |
1199 | block = get_selected_block (0); | |
1200 | set_language (save_language); | |
e8eb7bc5 KS |
1201 | |
1202 | return block; | |
1203 | } | |
1204 | ||
4eeaa230 DE |
1205 | /* Iterate over static and global blocks. */ |
1206 | ||
1207 | static void | |
14bc53a8 | 1208 | iterate_over_file_blocks |
b5ec771e PA |
1209 | (struct symtab *symtab, const lookup_name_info &name, |
1210 | domain_enum domain, gdb::function_view<symbol_found_callback_ftype> callback) | |
4eeaa230 DE |
1211 | { |
1212 | struct block *block; | |
1213 | ||
439247b6 | 1214 | for (block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), STATIC_BLOCK); |
4eeaa230 DE |
1215 | block != NULL; |
1216 | block = BLOCK_SUPERBLOCK (block)) | |
14bc53a8 | 1217 | LA_ITERATE_OVER_SYMBOLS (block, name, domain, callback); |
4eeaa230 DE |
1218 | } |
1219 | ||
b5ec771e PA |
1220 | /* A helper for find_method. This finds all methods in type T of |
1221 | language T_LANG which match NAME. It adds matching symbol names to | |
1222 | RESULT_NAMES, and adds T's direct superclasses to SUPERCLASSES. */ | |
50641945 | 1223 | |
f8eba3c6 | 1224 | static void |
b5ec771e | 1225 | find_methods (struct type *t, enum language t_lang, const char *name, |
9b2f8581 | 1226 | std::vector<const char *> *result_names, |
8e8d776e | 1227 | std::vector<struct type *> *superclasses) |
50641945 | 1228 | { |
50641945 | 1229 | int ibase; |
a737d952 | 1230 | const char *class_name = TYPE_NAME (t); |
c00f8484 | 1231 | |
50641945 FN |
1232 | /* Ignore this class if it doesn't have a name. This is ugly, but |
1233 | unless we figure out how to get the physname without the name of | |
1234 | the class, then the loop can't do any good. */ | |
f8eba3c6 | 1235 | if (class_name) |
50641945 FN |
1236 | { |
1237 | int method_counter; | |
b5ec771e PA |
1238 | lookup_name_info lookup_name (name, symbol_name_match_type::FULL); |
1239 | symbol_name_matcher_ftype *symbol_name_compare | |
618daa93 | 1240 | = get_symbol_name_matcher (language_def (t_lang), lookup_name); |
50641945 | 1241 | |
f168693b | 1242 | t = check_typedef (t); |
50641945 FN |
1243 | |
1244 | /* Loop over each method name. At this level, all overloads of a name | |
1245 | are counted as a single name. There is an inner loop which loops over | |
1246 | each overload. */ | |
1247 | ||
1248 | for (method_counter = TYPE_NFN_FIELDS (t) - 1; | |
1249 | method_counter >= 0; | |
1250 | --method_counter) | |
1251 | { | |
0d5cff50 | 1252 | const char *method_name = TYPE_FN_FIELDLIST_NAME (t, method_counter); |
50641945 | 1253 | |
b5ec771e | 1254 | if (symbol_name_compare (method_name, lookup_name, NULL)) |
f8eba3c6 TT |
1255 | { |
1256 | int field_counter; | |
aee8d8ba | 1257 | |
f8eba3c6 TT |
1258 | for (field_counter = (TYPE_FN_FIELDLIST_LENGTH (t, method_counter) |
1259 | - 1); | |
1260 | field_counter >= 0; | |
1261 | --field_counter) | |
1262 | { | |
1263 | struct fn_field *f; | |
1264 | const char *phys_name; | |
1265 | ||
1266 | f = TYPE_FN_FIELDLIST1 (t, method_counter); | |
1267 | if (TYPE_FN_FIELD_STUB (f, field_counter)) | |
1268 | continue; | |
1269 | phys_name = TYPE_FN_FIELD_PHYSNAME (f, field_counter); | |
9b2f8581 | 1270 | result_names->push_back (phys_name); |
f8eba3c6 TT |
1271 | } |
1272 | } | |
aee8d8ba DC |
1273 | } |
1274 | } | |
1275 | ||
f8eba3c6 | 1276 | for (ibase = 0; ibase < TYPE_N_BASECLASSES (t); ibase++) |
8e8d776e | 1277 | superclasses->push_back (TYPE_BASECLASS (t, ibase)); |
50641945 FN |
1278 | } |
1279 | ||
50641945 FN |
1280 | /* Find an instance of the character C in the string S that is outside |
1281 | of all parenthesis pairs, single-quoted strings, and double-quoted | |
8120c9d5 | 1282 | strings. Also, ignore the char within a template name, like a ',' |
be966d42 | 1283 | within foo<int, int>, while considering C++ operator</operator<<. */ |
8120c9d5 | 1284 | |
87f0e720 | 1285 | const char * |
40e084e1 | 1286 | find_toplevel_char (const char *s, char c) |
50641945 FN |
1287 | { |
1288 | int quoted = 0; /* zero if we're not in quotes; | |
1289 | '"' if we're in a double-quoted string; | |
1290 | '\'' if we're in a single-quoted string. */ | |
a04257e6 | 1291 | int depth = 0; /* Number of unclosed parens we've seen. */ |
40e084e1 | 1292 | const char *scan; |
50641945 FN |
1293 | |
1294 | for (scan = s; *scan; scan++) | |
1295 | { | |
1296 | if (quoted) | |
1297 | { | |
1298 | if (*scan == quoted) | |
1299 | quoted = 0; | |
1300 | else if (*scan == '\\' && *(scan + 1)) | |
1301 | scan++; | |
1302 | } | |
1303 | else if (*scan == c && ! quoted && depth == 0) | |
1304 | return scan; | |
1305 | else if (*scan == '"' || *scan == '\'') | |
1306 | quoted = *scan; | |
8120c9d5 | 1307 | else if (*scan == '(' || *scan == '<') |
50641945 | 1308 | depth++; |
8120c9d5 | 1309 | else if ((*scan == ')' || *scan == '>') && depth > 0) |
50641945 | 1310 | depth--; |
be966d42 PA |
1311 | else if (*scan == 'o' && !quoted && depth == 0) |
1312 | { | |
1313 | /* Handle C++ operator names. */ | |
1314 | if (strncmp (scan, CP_OPERATOR_STR, CP_OPERATOR_LEN) == 0) | |
1315 | { | |
1316 | scan += CP_OPERATOR_LEN; | |
1317 | if (*scan == c) | |
1318 | return scan; | |
1319 | while (isspace (*scan)) | |
1320 | { | |
1321 | ++scan; | |
1322 | if (*scan == c) | |
1323 | return scan; | |
1324 | } | |
1325 | if (*scan == '\0') | |
1326 | break; | |
1327 | ||
1328 | switch (*scan) | |
1329 | { | |
1330 | /* Skip over one less than the appropriate number of | |
1331 | characters: the for loop will skip over the last | |
1332 | one. */ | |
1333 | case '<': | |
1334 | if (scan[1] == '<') | |
1335 | { | |
1336 | scan++; | |
1337 | if (*scan == c) | |
1338 | return scan; | |
1339 | } | |
1340 | break; | |
1341 | case '>': | |
1342 | if (scan[1] == '>') | |
1343 | { | |
1344 | scan++; | |
1345 | if (*scan == c) | |
1346 | return scan; | |
1347 | } | |
1348 | break; | |
1349 | } | |
1350 | } | |
1351 | } | |
50641945 FN |
1352 | } |
1353 | ||
1354 | return 0; | |
1355 | } | |
1356 | ||
40e084e1 KS |
1357 | /* The string equivalent of find_toplevel_char. Returns a pointer |
1358 | to the location of NEEDLE in HAYSTACK, ignoring any occurrences | |
1359 | inside "()" and "<>". Returns NULL if NEEDLE was not found. */ | |
889f28e2 | 1360 | |
40e084e1 KS |
1361 | static const char * |
1362 | find_toplevel_string (const char *haystack, const char *needle) | |
889f28e2 | 1363 | { |
40e084e1 KS |
1364 | const char *s = haystack; |
1365 | ||
1366 | do | |
1367 | { | |
1368 | s = find_toplevel_char (s, *needle); | |
1369 | ||
1370 | if (s != NULL) | |
1371 | { | |
1372 | /* Found first char in HAYSTACK; check rest of string. */ | |
61012eef | 1373 | if (startswith (s, needle)) |
40e084e1 KS |
1374 | return s; |
1375 | ||
1376 | /* Didn't find it; loop over HAYSTACK, looking for the next | |
1377 | instance of the first character of NEEDLE. */ | |
1378 | ++s; | |
1379 | } | |
1380 | } | |
1381 | while (s != NULL && *s != '\0'); | |
1382 | ||
1383 | /* NEEDLE was not found in HAYSTACK. */ | |
1384 | return NULL; | |
889f28e2 AF |
1385 | } |
1386 | ||
33f448b1 | 1387 | /* Convert CANONICAL to its string representation using |
53a0f8a2 | 1388 | symtab_to_fullname for SYMTAB. */ |
33f448b1 | 1389 | |
53a0f8a2 | 1390 | static std::string |
33f448b1 JK |
1391 | canonical_to_fullform (const struct linespec_canonical_name *canonical) |
1392 | { | |
1393 | if (canonical->symtab == NULL) | |
53a0f8a2 | 1394 | return canonical->suffix; |
33f448b1 | 1395 | else |
53a0f8a2 TT |
1396 | return string_printf ("%s:%s", symtab_to_fullname (canonical->symtab), |
1397 | canonical->suffix); | |
33f448b1 JK |
1398 | } |
1399 | ||
f8eba3c6 TT |
1400 | /* Given FILTERS, a list of canonical names, filter the sals in RESULT |
1401 | and store the result in SELF->CANONICAL. */ | |
50641945 | 1402 | |
f8eba3c6 TT |
1403 | static void |
1404 | filter_results (struct linespec_state *self, | |
6c5b2ebe | 1405 | std::vector<symtab_and_line> *result, |
f73c6ece | 1406 | const std::vector<const char *> &filters) |
f8eba3c6 | 1407 | { |
f73c6ece | 1408 | for (const char *name : filters) |
f8eba3c6 | 1409 | { |
6c5b2ebe | 1410 | linespec_sals lsal; |
f8eba3c6 | 1411 | |
6c5b2ebe | 1412 | for (size_t j = 0; j < result->size (); ++j) |
f8eba3c6 | 1413 | { |
33f448b1 | 1414 | const struct linespec_canonical_name *canonical; |
33f448b1 JK |
1415 | |
1416 | canonical = &self->canonical_names[j]; | |
53a0f8a2 | 1417 | std::string fullform = canonical_to_fullform (canonical); |
33f448b1 | 1418 | |
53a0f8a2 | 1419 | if (name == fullform) |
6c5b2ebe | 1420 | lsal.sals.push_back ((*result)[j]); |
f8eba3c6 TT |
1421 | } |
1422 | ||
6c5b2ebe | 1423 | if (!lsal.sals.empty ()) |
f8eba3c6 TT |
1424 | { |
1425 | lsal.canonical = xstrdup (name); | |
6c5b2ebe | 1426 | self->canonical->lsals.push_back (std::move (lsal)); |
f8eba3c6 TT |
1427 | } |
1428 | } | |
1429 | ||
1430 | self->canonical->pre_expanded = 0; | |
1431 | } | |
1432 | ||
1433 | /* Store RESULT into SELF->CANONICAL. */ | |
1434 | ||
1435 | static void | |
1436 | convert_results_to_lsals (struct linespec_state *self, | |
6c5b2ebe | 1437 | std::vector<symtab_and_line> *result) |
50641945 | 1438 | { |
f8eba3c6 TT |
1439 | struct linespec_sals lsal; |
1440 | ||
1441 | lsal.canonical = NULL; | |
6c5b2ebe PA |
1442 | lsal.sals = std::move (*result); |
1443 | self->canonical->lsals.push_back (std::move (lsal)); | |
f8eba3c6 TT |
1444 | } |
1445 | ||
33f448b1 JK |
1446 | /* A structure that contains two string representations of a struct |
1447 | linespec_canonical_name: | |
6471e7d2 | 1448 | - one where the symtab's fullname is used; |
33f448b1 JK |
1449 | - one where the filename followed the "set filename-display" |
1450 | setting. */ | |
1451 | ||
1452 | struct decode_line_2_item | |
1453 | { | |
53a0f8a2 TT |
1454 | decode_line_2_item (std::string &&fullform_, std::string &&displayform_, |
1455 | bool selected_) | |
1456 | : fullform (std::move (fullform_)), | |
1457 | displayform (std::move (displayform_)), | |
1458 | selected (selected_) | |
1459 | { | |
1460 | } | |
33f448b1 | 1461 | |
53a0f8a2 TT |
1462 | /* The form using symtab_to_fullname. */ |
1463 | std::string fullform; | |
1464 | ||
1465 | /* The form using symtab_to_filename_for_display. */ | |
1466 | std::string displayform; | |
33f448b1 JK |
1467 | |
1468 | /* Field is initialized to zero and it is set to one if the user | |
1469 | requested breakpoint for this entry. */ | |
1470 | unsigned int selected : 1; | |
1471 | }; | |
1472 | ||
53a0f8a2 TT |
1473 | /* Helper for std::sort to sort decode_line_2_item entries by |
1474 | DISPLAYFORM and secondarily by FULLFORM. */ | |
33f448b1 | 1475 | |
53a0f8a2 TT |
1476 | static bool |
1477 | decode_line_2_compare_items (const decode_line_2_item &a, | |
1478 | const decode_line_2_item &b) | |
33f448b1 | 1479 | { |
53a0f8a2 TT |
1480 | if (a.displayform != b.displayform) |
1481 | return a.displayform < b.displayform; | |
1482 | return a.fullform < b.fullform; | |
33f448b1 JK |
1483 | } |
1484 | ||
f8eba3c6 TT |
1485 | /* Handle multiple results in RESULT depending on SELECT_MODE. This |
1486 | will either return normally, throw an exception on multiple | |
1487 | results, or present a menu to the user. On return, the SALS vector | |
1488 | in SELF->CANONICAL is set up properly. */ | |
1489 | ||
1490 | static void | |
1491 | decode_line_2 (struct linespec_state *self, | |
6c5b2ebe | 1492 | std::vector<symtab_and_line> *result, |
f8eba3c6 TT |
1493 | const char *select_mode) |
1494 | { | |
a121b7c1 PA |
1495 | char *args; |
1496 | const char *prompt; | |
50641945 | 1497 | int i; |
f73c6ece | 1498 | std::vector<const char *> filters; |
53a0f8a2 | 1499 | std::vector<struct decode_line_2_item> items; |
50641945 | 1500 | |
f8eba3c6 TT |
1501 | gdb_assert (select_mode != multiple_symbols_all); |
1502 | gdb_assert (self->canonical != NULL); | |
6c5b2ebe | 1503 | gdb_assert (!result->empty ()); |
33f448b1 | 1504 | |
33f448b1 | 1505 | /* Prepare ITEMS array. */ |
53a0f8a2 | 1506 | for (i = 0; i < result->size (); ++i) |
50641945 | 1507 | { |
33f448b1 | 1508 | const struct linespec_canonical_name *canonical; |
53a0f8a2 TT |
1509 | std::string displayform; |
1510 | ||
33f448b1 JK |
1511 | canonical = &self->canonical_names[i]; |
1512 | gdb_assert (canonical->suffix != NULL); | |
f8eba3c6 | 1513 | |
53a0f8a2 | 1514 | std::string fullform = canonical_to_fullform (canonical); |
33f448b1 JK |
1515 | |
1516 | if (canonical->symtab == NULL) | |
53a0f8a2 | 1517 | displayform = canonical->suffix; |
33f448b1 | 1518 | else |
f8eba3c6 | 1519 | { |
33f448b1 JK |
1520 | const char *fn_for_display; |
1521 | ||
1522 | fn_for_display = symtab_to_filename_for_display (canonical->symtab); | |
53a0f8a2 TT |
1523 | displayform = string_printf ("%s:%s", fn_for_display, |
1524 | canonical->suffix); | |
f8eba3c6 TT |
1525 | } |
1526 | ||
53a0f8a2 TT |
1527 | items.emplace_back (std::move (fullform), std::move (displayform), |
1528 | false); | |
50641945 FN |
1529 | } |
1530 | ||
33f448b1 | 1531 | /* Sort the list of method names. */ |
53a0f8a2 | 1532 | std::sort (items.begin (), items.end (), decode_line_2_compare_items); |
33f448b1 JK |
1533 | |
1534 | /* Remove entries with the same FULLFORM. */ | |
53a0f8a2 TT |
1535 | items.erase (std::unique (items.begin (), items.end (), |
1536 | [] (const struct decode_line_2_item &a, | |
1537 | const struct decode_line_2_item &b) | |
1538 | { | |
1539 | return a.fullform == b.fullform; | |
1540 | }), | |
1541 | items.end ()); | |
1542 | ||
1543 | if (select_mode == multiple_symbols_cancel && items.size () > 1) | |
f8eba3c6 TT |
1544 | error (_("canceled because the command is ambiguous\n" |
1545 | "See set/show multiple-symbol.")); | |
1546 | ||
53a0f8a2 | 1547 | if (select_mode == multiple_symbols_all || items.size () == 1) |
50641945 | 1548 | { |
f8eba3c6 TT |
1549 | convert_results_to_lsals (self, result); |
1550 | return; | |
50641945 FN |
1551 | } |
1552 | ||
f8eba3c6 | 1553 | printf_unfiltered (_("[0] cancel\n[1] all\n")); |
53a0f8a2 TT |
1554 | for (i = 0; i < items.size (); i++) |
1555 | printf_unfiltered ("[%d] %s\n", i + 2, items[i].displayform.c_str ()); | |
f8eba3c6 TT |
1556 | |
1557 | prompt = getenv ("PS2"); | |
1558 | if (prompt == NULL) | |
50641945 | 1559 | { |
f8eba3c6 | 1560 | prompt = "> "; |
50641945 | 1561 | } |
89fbedf3 | 1562 | args = command_line_input (prompt, "overload-choice"); |
50641945 FN |
1563 | |
1564 | if (args == 0 || *args == 0) | |
e2e0b3e5 | 1565 | error_no_arg (_("one or more choice numbers")); |
50641945 | 1566 | |
bfd28288 PA |
1567 | number_or_range_parser parser (args); |
1568 | while (!parser.finished ()) | |
50641945 | 1569 | { |
bfd28288 | 1570 | int num = parser.get_number (); |
50641945 FN |
1571 | |
1572 | if (num == 0) | |
8a3fe4f8 | 1573 | error (_("canceled")); |
50641945 FN |
1574 | else if (num == 1) |
1575 | { | |
f8eba3c6 TT |
1576 | /* We intentionally make this result in a single breakpoint, |
1577 | contrary to what older versions of gdb did. The | |
1578 | rationale is that this lets a user get the | |
1579 | multiple_symbols_all behavior even with the 'ask' | |
1580 | setting; and he can get separate breakpoints by entering | |
1581 | "2-57" at the query. */ | |
f8eba3c6 TT |
1582 | convert_results_to_lsals (self, result); |
1583 | return; | |
50641945 FN |
1584 | } |
1585 | ||
f8eba3c6 | 1586 | num -= 2; |
53a0f8a2 | 1587 | if (num >= items.size ()) |
f8eba3c6 | 1588 | printf_unfiltered (_("No choice number %d.\n"), num); |
50641945 FN |
1589 | else |
1590 | { | |
33f448b1 | 1591 | struct decode_line_2_item *item = &items[num]; |
f8eba3c6 | 1592 | |
33f448b1 | 1593 | if (!item->selected) |
50641945 | 1594 | { |
f73c6ece | 1595 | filters.push_back (item->fullform.c_str ()); |
33f448b1 | 1596 | item->selected = 1; |
50641945 FN |
1597 | } |
1598 | else | |
1599 | { | |
3e43a32a | 1600 | printf_unfiltered (_("duplicate request for %d ignored.\n"), |
f6f99966 | 1601 | num + 2); |
50641945 FN |
1602 | } |
1603 | } | |
50641945 | 1604 | } |
f8eba3c6 TT |
1605 | |
1606 | filter_results (self, result, filters); | |
50641945 | 1607 | } |
94af9270 | 1608 | |
40e084e1 | 1609 | \f |
3d50dd94 | 1610 | |
40e084e1 KS |
1611 | /* The parser of linespec itself. */ |
1612 | ||
1613 | /* Throw an appropriate error when SYMBOL is not found (optionally in | |
1614 | FILENAME). */ | |
1615 | ||
1616 | static void ATTRIBUTE_NORETURN | |
5d94e27b | 1617 | symbol_not_found_error (const char *symbol, const char *filename) |
3d50dd94 | 1618 | { |
40e084e1 KS |
1619 | if (symbol == NULL) |
1620 | symbol = ""; | |
1621 | ||
1622 | if (!have_full_symbols () | |
1623 | && !have_partial_symbols () | |
1624 | && !have_minimal_symbols ()) | |
1625 | throw_error (NOT_FOUND_ERROR, | |
1626 | _("No symbol table is loaded. Use the \"file\" command.")); | |
1627 | ||
1628 | /* If SYMBOL starts with '$', the user attempted to either lookup | |
1629 | a function/variable in his code starting with '$' or an internal | |
1630 | variable of that name. Since we do not know which, be concise and | |
1631 | explain both possibilities. */ | |
1632 | if (*symbol == '$') | |
1633 | { | |
1634 | if (filename) | |
1635 | throw_error (NOT_FOUND_ERROR, | |
1636 | _("Undefined convenience variable or function \"%s\" " | |
1637 | "not defined in \"%s\"."), symbol, filename); | |
1638 | else | |
1639 | throw_error (NOT_FOUND_ERROR, | |
1640 | _("Undefined convenience variable or function \"%s\" " | |
1641 | "not defined."), symbol); | |
1642 | } | |
1643 | else | |
1644 | { | |
1645 | if (filename) | |
1646 | throw_error (NOT_FOUND_ERROR, | |
1647 | _("Function \"%s\" not defined in \"%s\"."), | |
1648 | symbol, filename); | |
1649 | else | |
1650 | throw_error (NOT_FOUND_ERROR, | |
1651 | _("Function \"%s\" not defined."), symbol); | |
1652 | } | |
3d50dd94 JK |
1653 | } |
1654 | ||
40e084e1 KS |
1655 | /* Throw an appropriate error when an unexpected token is encountered |
1656 | in the input. */ | |
94af9270 | 1657 | |
40e084e1 KS |
1658 | static void ATTRIBUTE_NORETURN |
1659 | unexpected_linespec_error (linespec_parser *parser) | |
94af9270 | 1660 | { |
40e084e1 KS |
1661 | linespec_token token; |
1662 | static const char * token_type_strings[] | |
1663 | = {"keyword", "colon", "string", "number", "comma", "end of input"}; | |
94af9270 | 1664 | |
40e084e1 KS |
1665 | /* Get the token that generated the error. */ |
1666 | token = linespec_lexer_lex_one (parser); | |
94af9270 | 1667 | |
40e084e1 KS |
1668 | /* Finally, throw the error. */ |
1669 | if (token.type == LSTOKEN_STRING || token.type == LSTOKEN_NUMBER | |
1670 | || token.type == LSTOKEN_KEYWORD) | |
94af9270 | 1671 | { |
a5b5adf5 | 1672 | gdb::unique_xmalloc_ptr<char> string = copy_token_string (token); |
40e084e1 KS |
1673 | throw_error (GENERIC_ERROR, |
1674 | _("malformed linespec error: unexpected %s, \"%s\""), | |
a5b5adf5 | 1675 | token_type_strings[token.type], string.get ()); |
40e084e1 KS |
1676 | } |
1677 | else | |
1678 | throw_error (GENERIC_ERROR, | |
1679 | _("malformed linespec error: unexpected %s"), | |
1680 | token_type_strings[token.type]); | |
1681 | } | |
1682 | ||
00e52e53 KS |
1683 | /* Throw an undefined label error. */ |
1684 | ||
1685 | static void ATTRIBUTE_NORETURN | |
1686 | undefined_label_error (const char *function, const char *label) | |
1687 | { | |
1688 | if (function != NULL) | |
1689 | throw_error (NOT_FOUND_ERROR, | |
1690 | _("No label \"%s\" defined in function \"%s\"."), | |
1691 | label, function); | |
1692 | else | |
1693 | throw_error (NOT_FOUND_ERROR, | |
1694 | _("No label \"%s\" defined in current function."), | |
1695 | label); | |
1696 | } | |
1697 | ||
1698 | /* Throw a source file not found error. */ | |
1699 | ||
1700 | static void ATTRIBUTE_NORETURN | |
1701 | source_file_not_found_error (const char *name) | |
1702 | { | |
1703 | throw_error (NOT_FOUND_ERROR, _("No source file named %s."), name); | |
1704 | } | |
1705 | ||
c45ec17c PA |
1706 | /* Unless at EIO, save the current stream position as completion word |
1707 | point, and consume the next token. */ | |
1708 | ||
1709 | static linespec_token | |
1710 | save_stream_and_consume_token (linespec_parser *parser) | |
1711 | { | |
1712 | if (linespec_lexer_peek_token (parser).type != LSTOKEN_EOI) | |
1713 | parser->completion_word = PARSER_STREAM (parser); | |
1714 | return linespec_lexer_consume_token (parser); | |
1715 | } | |
1716 | ||
87f0e720 | 1717 | /* See description in linespec.h. */ |
40e084e1 | 1718 | |
87f0e720 | 1719 | struct line_offset |
09cf2b22 | 1720 | linespec_parse_line_offset (const char *string) |
40e084e1 | 1721 | { |
87f0e720 | 1722 | const char *start = string; |
40e084e1 KS |
1723 | struct line_offset line_offset = {0, LINE_OFFSET_NONE}; |
1724 | ||
1725 | if (*string == '+') | |
1726 | { | |
1727 | line_offset.sign = LINE_OFFSET_PLUS; | |
1728 | ++string; | |
1729 | } | |
1730 | else if (*string == '-') | |
1731 | { | |
1732 | line_offset.sign = LINE_OFFSET_MINUS; | |
1733 | ++string; | |
1734 | } | |
1735 | ||
87f0e720 KS |
1736 | if (*string != '\0' && !isdigit (*string)) |
1737 | error (_("malformed line offset: \"%s\""), start); | |
1738 | ||
40e084e1 KS |
1739 | /* Right now, we only allow base 10 for offsets. */ |
1740 | line_offset.offset = atoi (string); | |
1741 | return line_offset; | |
1742 | } | |
1743 | ||
c45ec17c PA |
1744 | /* In completion mode, if the user is still typing the number, there's |
1745 | no possible completion to offer. But if there's already input past | |
1746 | the number, setup to expect NEXT. */ | |
1747 | ||
1748 | static void | |
1749 | set_completion_after_number (linespec_parser *parser, | |
1750 | linespec_complete_what next) | |
1751 | { | |
1752 | if (*PARSER_STREAM (parser) == ' ') | |
1753 | { | |
f1735a53 | 1754 | parser->completion_word = skip_spaces (PARSER_STREAM (parser) + 1); |
c45ec17c PA |
1755 | parser->complete_what = next; |
1756 | } | |
1757 | else | |
1758 | { | |
1759 | parser->completion_word = PARSER_STREAM (parser); | |
1760 | parser->complete_what = linespec_complete_what::NOTHING; | |
1761 | } | |
1762 | } | |
1763 | ||
40e084e1 KS |
1764 | /* Parse the basic_spec in PARSER's input. */ |
1765 | ||
1766 | static void | |
1767 | linespec_parse_basic (linespec_parser *parser) | |
1768 | { | |
a5b5adf5 | 1769 | gdb::unique_xmalloc_ptr<char> name; |
40e084e1 | 1770 | linespec_token token; |
7e41c8db KS |
1771 | std::vector<block_symbol> symbols; |
1772 | std::vector<block_symbol> *labels; | |
c2a031c5 | 1773 | std::vector<bound_minimal_symbol> minimal_symbols; |
40e084e1 KS |
1774 | |
1775 | /* Get the next token. */ | |
1776 | token = linespec_lexer_lex_one (parser); | |
1777 | ||
1778 | /* If it is EOI or KEYWORD, issue an error. */ | |
c45ec17c PA |
1779 | if (token.type == LSTOKEN_KEYWORD) |
1780 | { | |
1781 | parser->complete_what = linespec_complete_what::NOTHING; | |
1782 | unexpected_linespec_error (parser); | |
1783 | } | |
1784 | else if (token.type == LSTOKEN_EOI) | |
1785 | { | |
1786 | unexpected_linespec_error (parser); | |
1787 | } | |
40e084e1 KS |
1788 | /* If it is a LSTOKEN_NUMBER, we have an offset. */ |
1789 | else if (token.type == LSTOKEN_NUMBER) | |
1790 | { | |
c45ec17c PA |
1791 | set_completion_after_number (parser, linespec_complete_what::KEYWORD); |
1792 | ||
40e084e1 KS |
1793 | /* Record the line offset and get the next token. */ |
1794 | name = copy_token_string (token); | |
a5b5adf5 TT |
1795 | PARSER_EXPLICIT (parser)->line_offset |
1796 | = linespec_parse_line_offset (name.get ()); | |
40e084e1 KS |
1797 | |
1798 | /* Get the next token. */ | |
1799 | token = linespec_lexer_consume_token (parser); | |
1800 | ||
1801 | /* If the next token is a comma, stop parsing and return. */ | |
1802 | if (token.type == LSTOKEN_COMMA) | |
c45ec17c PA |
1803 | { |
1804 | parser->complete_what = linespec_complete_what::NOTHING; | |
1805 | return; | |
1806 | } | |
40e084e1 KS |
1807 | |
1808 | /* If the next token is anything but EOI or KEYWORD, issue | |
1809 | an error. */ | |
1810 | if (token.type != LSTOKEN_KEYWORD && token.type != LSTOKEN_EOI) | |
1811 | unexpected_linespec_error (parser); | |
1812 | } | |
1813 | ||
1814 | if (token.type == LSTOKEN_KEYWORD || token.type == LSTOKEN_EOI) | |
1815 | return; | |
1816 | ||
1817 | /* Next token must be LSTOKEN_STRING. */ | |
1818 | if (token.type != LSTOKEN_STRING) | |
c45ec17c PA |
1819 | { |
1820 | parser->complete_what = linespec_complete_what::NOTHING; | |
1821 | unexpected_linespec_error (parser); | |
1822 | } | |
40e084e1 KS |
1823 | |
1824 | /* The current token will contain the name of a function, method, | |
1825 | or label. */ | |
c45ec17c | 1826 | name = copy_token_string (token); |
c45ec17c PA |
1827 | |
1828 | if (parser->completion_tracker != NULL) | |
1829 | { | |
1830 | /* If the function name ends with a ":", then this may be an | |
1831 | incomplete "::" scope operator instead of a label separator. | |
1832 | E.g., | |
1833 | "b klass:<tab>" | |
1834 | which should expand to: | |
1835 | "b klass::method()" | |
1836 | ||
1837 | Do a tentative completion assuming the later. If we find | |
1838 | completions, advance the stream past the colon token and make | |
1839 | it part of the function name/token. */ | |
1840 | ||
1841 | if (!parser->completion_quote_char | |
1842 | && strcmp (PARSER_STREAM (parser), ":") == 0) | |
1843 | { | |
1844 | completion_tracker tmp_tracker; | |
1845 | const char *source_filename | |
1846 | = PARSER_EXPLICIT (parser)->source_filename; | |
a20714ff PA |
1847 | symbol_name_match_type match_type |
1848 | = PARSER_EXPLICIT (parser)->func_name_match_type; | |
c45ec17c PA |
1849 | |
1850 | linespec_complete_function (tmp_tracker, | |
1851 | parser->completion_word, | |
a20714ff | 1852 | match_type, |
c45ec17c PA |
1853 | source_filename); |
1854 | ||
1855 | if (tmp_tracker.have_completions ()) | |
1856 | { | |
1857 | PARSER_STREAM (parser)++; | |
1858 | LS_TOKEN_STOKEN (token).length++; | |
1859 | ||
a5b5adf5 TT |
1860 | name.reset (savestring (parser->completion_word, |
1861 | (PARSER_STREAM (parser) | |
1862 | - parser->completion_word))); | |
c45ec17c PA |
1863 | } |
1864 | } | |
1865 | ||
a5b5adf5 | 1866 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
c45ec17c PA |
1867 | } |
1868 | else | |
1869 | { | |
6a307fc5 TT |
1870 | /* Try looking it up as a function/method. */ |
1871 | find_linespec_symbols (PARSER_STATE (parser), | |
a5b5adf5 | 1872 | PARSER_RESULT (parser)->file_symtabs, name.get (), |
6a307fc5 TT |
1873 | PARSER_EXPLICIT (parser)->func_name_match_type, |
1874 | &symbols, &minimal_symbols); | |
40e084e1 | 1875 | |
c2a031c5 | 1876 | if (!symbols.empty () || !minimal_symbols.empty ()) |
94af9270 | 1877 | { |
7243d011 | 1878 | PARSER_RESULT (parser)->function_symbols |
7e41c8db | 1879 | = new std::vector<block_symbol> (std::move (symbols)); |
c2a031c5 KS |
1880 | PARSER_RESULT (parser)->minimal_symbols |
1881 | = new std::vector<bound_minimal_symbol> | |
1882 | (std::move (minimal_symbols)); | |
a5b5adf5 | 1883 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
40e084e1 | 1884 | } |
6a307fc5 | 1885 | else |
b4013987 | 1886 | { |
6a307fc5 TT |
1887 | /* NAME was not a function or a method. So it must be a label |
1888 | name or user specified variable like "break foo.c:$zippo". */ | |
1889 | labels = find_label_symbols (PARSER_STATE (parser), NULL, | |
a5b5adf5 | 1890 | &symbols, name.get ()); |
6a307fc5 TT |
1891 | if (labels != NULL) |
1892 | { | |
1893 | PARSER_RESULT (parser)->labels.label_symbols = labels; | |
7243d011 | 1894 | PARSER_RESULT (parser)->labels.function_symbols |
7e41c8db | 1895 | = new std::vector<block_symbol> (std::move (symbols)); |
a5b5adf5 | 1896 | PARSER_EXPLICIT (parser)->label_name = name.release (); |
6a307fc5 TT |
1897 | } |
1898 | else if (token.type == LSTOKEN_STRING | |
1899 | && *LS_TOKEN_STOKEN (token).ptr == '$') | |
1900 | { | |
1901 | /* User specified a convenience variable or history value. */ | |
1902 | PARSER_EXPLICIT (parser)->line_offset | |
a5b5adf5 | 1903 | = linespec_parse_variable (PARSER_STATE (parser), name.get ()); |
b4013987 | 1904 | |
6a307fc5 TT |
1905 | if (PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN) |
1906 | { | |
1907 | /* The user-specified variable was not valid. Do not | |
1908 | throw an error here. parse_linespec will do it for us. */ | |
a5b5adf5 | 1909 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
6a307fc5 TT |
1910 | return; |
1911 | } | |
6a307fc5 TT |
1912 | } |
1913 | else | |
b4013987 | 1914 | { |
6a307fc5 TT |
1915 | /* The name is also not a label. Abort parsing. Do not throw |
1916 | an error here. parse_linespec will do it for us. */ | |
1917 | ||
1918 | /* Save a copy of the name we were trying to lookup. */ | |
a5b5adf5 | 1919 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
b4013987 AA |
1920 | return; |
1921 | } | |
1922 | } | |
c45ec17c PA |
1923 | } |
1924 | ||
1925 | int previous_qc = parser->completion_quote_char; | |
40e084e1 KS |
1926 | |
1927 | /* Get the next token. */ | |
1928 | token = linespec_lexer_consume_token (parser); | |
1929 | ||
c45ec17c PA |
1930 | if (token.type == LSTOKEN_EOI) |
1931 | { | |
1932 | if (previous_qc && !parser->completion_quote_char) | |
1933 | parser->complete_what = linespec_complete_what::KEYWORD; | |
1934 | } | |
1935 | else if (token.type == LSTOKEN_COLON) | |
40e084e1 KS |
1936 | { |
1937 | /* User specified a label or a lineno. */ | |
1938 | token = linespec_lexer_consume_token (parser); | |
1939 | ||
1940 | if (token.type == LSTOKEN_NUMBER) | |
1941 | { | |
1942 | /* User specified an offset. Record the line offset and | |
1943 | get the next token. */ | |
c45ec17c PA |
1944 | set_completion_after_number (parser, linespec_complete_what::KEYWORD); |
1945 | ||
40e084e1 | 1946 | name = copy_token_string (token); |
00e52e53 | 1947 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 1948 | = linespec_parse_line_offset (name.get ()); |
40e084e1 | 1949 | |
c45ec17c | 1950 | /* Get the next token. */ |
40e084e1 KS |
1951 | token = linespec_lexer_consume_token (parser); |
1952 | } | |
c45ec17c PA |
1953 | else if (token.type == LSTOKEN_EOI && parser->completion_tracker != NULL) |
1954 | { | |
1955 | parser->complete_what = linespec_complete_what::LABEL; | |
1956 | } | |
40e084e1 KS |
1957 | else if (token.type == LSTOKEN_STRING) |
1958 | { | |
c45ec17c PA |
1959 | parser->complete_what = linespec_complete_what::LABEL; |
1960 | ||
1961 | /* If we have text after the label separated by whitespace | |
1962 | (e.g., "b func():lab i<tab>"), don't consider it part of | |
1963 | the label. In completion mode that should complete to | |
1964 | "if", in normal mode, the 'i' should be treated as | |
1965 | garbage. */ | |
1966 | if (parser->completion_quote_char == '\0') | |
1967 | { | |
1968 | const char *ptr = LS_TOKEN_STOKEN (token).ptr; | |
1969 | for (size_t i = 0; i < LS_TOKEN_STOKEN (token).length; i++) | |
1970 | { | |
1971 | if (ptr[i] == ' ') | |
1972 | { | |
1973 | LS_TOKEN_STOKEN (token).length = i; | |
f1735a53 | 1974 | PARSER_STREAM (parser) = skip_spaces (ptr + i + 1); |
c45ec17c PA |
1975 | break; |
1976 | } | |
1977 | } | |
1978 | } | |
1979 | ||
1980 | if (parser->completion_tracker != NULL) | |
1981 | { | |
1982 | if (PARSER_STREAM (parser)[-1] == ' ') | |
1983 | { | |
1984 | parser->completion_word = PARSER_STREAM (parser); | |
1985 | parser->complete_what = linespec_complete_what::KEYWORD; | |
1986 | } | |
1987 | } | |
1988 | else | |
1989 | { | |
6a307fc5 TT |
1990 | /* Grab a copy of the label's name and look it up. */ |
1991 | name = copy_token_string (token); | |
6a307fc5 TT |
1992 | labels |
1993 | = find_label_symbols (PARSER_STATE (parser), | |
1994 | PARSER_RESULT (parser)->function_symbols, | |
a5b5adf5 | 1995 | &symbols, name.get ()); |
40e084e1 | 1996 | |
6a307fc5 TT |
1997 | if (labels != NULL) |
1998 | { | |
1999 | PARSER_RESULT (parser)->labels.label_symbols = labels; | |
7243d011 | 2000 | PARSER_RESULT (parser)->labels.function_symbols |
7e41c8db | 2001 | = new std::vector<block_symbol> (std::move (symbols)); |
a5b5adf5 | 2002 | PARSER_EXPLICIT (parser)->label_name = name.release (); |
6a307fc5 TT |
2003 | } |
2004 | else | |
2005 | { | |
2006 | /* We don't know what it was, but it isn't a label. */ | |
2007 | undefined_label_error | |
a5b5adf5 | 2008 | (PARSER_EXPLICIT (parser)->function_name, name.get ()); |
6a307fc5 | 2009 | } |
40e084e1 | 2010 | |
c45ec17c PA |
2011 | } |
2012 | ||
40e084e1 | 2013 | /* Check for a line offset. */ |
c45ec17c | 2014 | token = save_stream_and_consume_token (parser); |
40e084e1 KS |
2015 | if (token.type == LSTOKEN_COLON) |
2016 | { | |
2017 | /* Get the next token. */ | |
2018 | token = linespec_lexer_consume_token (parser); | |
2019 | ||
2020 | /* It must be a line offset. */ | |
2021 | if (token.type != LSTOKEN_NUMBER) | |
2022 | unexpected_linespec_error (parser); | |
2023 | ||
c6756f62 | 2024 | /* Record the line offset and get the next token. */ |
40e084e1 | 2025 | name = copy_token_string (token); |
40e084e1 | 2026 | |
00e52e53 | 2027 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 2028 | = linespec_parse_line_offset (name.get ()); |
40e084e1 KS |
2029 | |
2030 | /* Get the next token. */ | |
2031 | token = linespec_lexer_consume_token (parser); | |
94af9270 KS |
2032 | } |
2033 | } | |
40e084e1 KS |
2034 | else |
2035 | { | |
2036 | /* Trailing ':' in the input. Issue an error. */ | |
2037 | unexpected_linespec_error (parser); | |
2038 | } | |
94af9270 | 2039 | } |
40e084e1 | 2040 | } |
94af9270 | 2041 | |
40e084e1 | 2042 | /* Canonicalize the linespec contained in LS. The result is saved into |
00e52e53 KS |
2043 | STATE->canonical. This function handles both linespec and explicit |
2044 | locations. */ | |
40e084e1 KS |
2045 | |
2046 | static void | |
f00aae0f | 2047 | canonicalize_linespec (struct linespec_state *state, const linespec_p ls) |
40e084e1 | 2048 | { |
00e52e53 | 2049 | struct event_location *canon; |
67994074 | 2050 | struct explicit_location *explicit_loc; |
f00aae0f | 2051 | |
40e084e1 KS |
2052 | /* If canonicalization was not requested, no need to do anything. */ |
2053 | if (!state->canonical) | |
2054 | return; | |
2055 | ||
00e52e53 | 2056 | /* Save everything as an explicit location. */ |
8e9e35b1 TT |
2057 | state->canonical->location |
2058 | = new_explicit_location (&ls->explicit_loc); | |
2059 | canon = state->canonical->location.get (); | |
67994074 | 2060 | explicit_loc = get_explicit_location (canon); |
40e084e1 | 2061 | |
67994074 | 2062 | if (explicit_loc->label_name != NULL) |
a06efdd6 | 2063 | { |
00e52e53 | 2064 | state->canonical->special_display = 1; |
40e084e1 | 2065 | |
67994074 | 2066 | if (explicit_loc->function_name == NULL) |
40e084e1 | 2067 | { |
a06efdd6 | 2068 | /* No function was specified, so add the symbol name. */ |
7243d011 KS |
2069 | gdb_assert (!ls->labels.function_symbols->empty () |
2070 | && (ls->labels.function_symbols->size () == 1)); | |
7e41c8db KS |
2071 | block_symbol s = ls->labels.function_symbols->front (); |
2072 | explicit_loc->function_name | |
2073 | = xstrdup (SYMBOL_NATURAL_NAME (s.symbol)); | |
40e084e1 | 2074 | } |
a06efdd6 | 2075 | } |
40e084e1 | 2076 | |
00e52e53 KS |
2077 | /* If this location originally came from a linespec, save a string |
2078 | representation of it for display and saving to file. */ | |
2079 | if (state->is_linespec) | |
a06efdd6 | 2080 | { |
67994074 | 2081 | char *linespec = explicit_location_to_linespec (explicit_loc); |
a06efdd6 | 2082 | |
00e52e53 KS |
2083 | set_event_location_string (canon, linespec); |
2084 | xfree (linespec); | |
2085 | } | |
94af9270 | 2086 | } |
c00f8484 | 2087 | |
40e084e1 | 2088 | /* Given a line offset in LS, construct the relevant SALs. */ |
c00f8484 | 2089 | |
6c5b2ebe | 2090 | static std::vector<symtab_and_line> |
40e084e1 KS |
2091 | create_sals_line_offset (struct linespec_state *self, |
2092 | linespec_p ls) | |
c00f8484 | 2093 | { |
40e084e1 | 2094 | int use_default = 0; |
c00f8484 | 2095 | |
40e084e1 KS |
2096 | /* This is where we need to make sure we have good defaults. |
2097 | We must guarantee that this section of code is never executed | |
2e47c6ca | 2098 | when we are called with just a function name, since |
40e084e1 KS |
2099 | set_default_source_symtab_and_line uses |
2100 | select_source_symtab that calls us with such an argument. */ | |
2101 | ||
2a908241 KS |
2102 | if (ls->file_symtabs->size () == 1 |
2103 | && ls->file_symtabs->front () == nullptr) | |
3d50dd94 | 2104 | { |
40e084e1 | 2105 | set_current_program_space (self->program_space); |
c00f8484 | 2106 | |
40e084e1 KS |
2107 | /* Make sure we have at least a default source line. */ |
2108 | set_default_source_symtab_and_line (); | |
2109 | initialize_defaults (&self->default_symtab, &self->default_line); | |
4717cec4 | 2110 | *ls->file_symtabs |
bb995d00 KS |
2111 | = collect_symtabs_from_filename (self->default_symtab->filename, |
2112 | self->search_pspace); | |
40e084e1 KS |
2113 | use_default = 1; |
2114 | } | |
c00f8484 | 2115 | |
51abb421 | 2116 | symtab_and_line val; |
67994074 KS |
2117 | val.line = ls->explicit_loc.line_offset.offset; |
2118 | switch (ls->explicit_loc.line_offset.sign) | |
40e084e1 KS |
2119 | { |
2120 | case LINE_OFFSET_PLUS: | |
67994074 | 2121 | if (ls->explicit_loc.line_offset.offset == 0) |
40e084e1 KS |
2122 | val.line = 5; |
2123 | if (use_default) | |
2124 | val.line = self->default_line + val.line; | |
2125 | break; | |
2126 | ||
2127 | case LINE_OFFSET_MINUS: | |
67994074 | 2128 | if (ls->explicit_loc.line_offset.offset == 0) |
40e084e1 KS |
2129 | val.line = 15; |
2130 | if (use_default) | |
2131 | val.line = self->default_line - val.line; | |
2132 | else | |
2133 | val.line = -val.line; | |
2134 | break; | |
2135 | ||
2136 | case LINE_OFFSET_NONE: | |
2137 | break; /* No need to adjust val.line. */ | |
2138 | } | |
2139 | ||
6c5b2ebe | 2140 | std::vector<symtab_and_line> values; |
40e084e1 | 2141 | if (self->list_mode) |
6c5b2ebe | 2142 | values = decode_digits_list_mode (self, ls, val); |
40e084e1 KS |
2143 | else |
2144 | { | |
2145 | struct linetable_entry *best_entry = NULL; | |
40e084e1 KS |
2146 | int i, j; |
2147 | ||
6c5b2ebe PA |
2148 | std::vector<symtab_and_line> intermediate_results |
2149 | = decode_digits_ordinary (self, ls, val.line, &best_entry); | |
2150 | if (intermediate_results.empty () && best_entry != NULL) | |
2151 | intermediate_results = decode_digits_ordinary (self, ls, | |
2152 | best_entry->line, | |
2153 | &best_entry); | |
40e084e1 KS |
2154 | |
2155 | /* For optimized code, the compiler can scatter one source line | |
2156 | across disjoint ranges of PC values, even when no duplicate | |
2157 | functions or inline functions are involved. For example, | |
2158 | 'for (;;)' inside a non-template, non-inline, and non-ctor-or-dtor | |
2159 | function can result in two PC ranges. In this case, we don't | |
2160 | want to set a breakpoint on the first PC of each range. To filter | |
2161 | such cases, we use containing blocks -- for each PC found | |
2162 | above, we see if there are other PCs that are in the same | |
2163 | block. If yes, the other PCs are filtered out. */ | |
2164 | ||
0fc21fd8 TT |
2165 | gdb::def_vector<int> filter (intermediate_results.size ()); |
2166 | gdb::def_vector<const block *> blocks (intermediate_results.size ()); | |
40e084e1 | 2167 | |
6c5b2ebe | 2168 | for (i = 0; i < intermediate_results.size (); ++i) |
3d50dd94 | 2169 | { |
6c5b2ebe | 2170 | set_current_program_space (intermediate_results[i].pspace); |
c00f8484 | 2171 | |
40e084e1 | 2172 | filter[i] = 1; |
6c5b2ebe PA |
2173 | blocks[i] = block_for_pc_sect (intermediate_results[i].pc, |
2174 | intermediate_results[i].section); | |
3d50dd94 | 2175 | } |
c00f8484 | 2176 | |
6c5b2ebe | 2177 | for (i = 0; i < intermediate_results.size (); ++i) |
40e084e1 KS |
2178 | { |
2179 | if (blocks[i] != NULL) | |
6c5b2ebe | 2180 | for (j = i + 1; j < intermediate_results.size (); ++j) |
40e084e1 KS |
2181 | { |
2182 | if (blocks[j] == blocks[i]) | |
2183 | { | |
2184 | filter[j] = 0; | |
2185 | break; | |
2186 | } | |
2187 | } | |
2188 | } | |
c00f8484 | 2189 | |
6c5b2ebe | 2190 | for (i = 0; i < intermediate_results.size (); ++i) |
40e084e1 KS |
2191 | if (filter[i]) |
2192 | { | |
2193 | struct symbol *sym = (blocks[i] | |
2194 | ? block_containing_function (blocks[i]) | |
2195 | : NULL); | |
3d50dd94 | 2196 | |
40e084e1 | 2197 | if (self->funfirstline) |
6c5b2ebe | 2198 | skip_prologue_sal (&intermediate_results[i]); |
cd2bb709 | 2199 | intermediate_results[i].symbol = sym; |
6c5b2ebe | 2200 | add_sal_to_sals (self, &values, &intermediate_results[i], |
66f1999b | 2201 | sym ? SYMBOL_NATURAL_NAME (sym) : NULL, 0); |
40e084e1 | 2202 | } |
f17170e5 | 2203 | } |
c00f8484 | 2204 | |
6c5b2ebe | 2205 | if (values.empty ()) |
40e084e1 | 2206 | { |
67994074 | 2207 | if (ls->explicit_loc.source_filename) |
40e084e1 | 2208 | throw_error (NOT_FOUND_ERROR, _("No line %d in file \"%s\"."), |
67994074 | 2209 | val.line, ls->explicit_loc.source_filename); |
40e084e1 KS |
2210 | else |
2211 | throw_error (NOT_FOUND_ERROR, _("No line %d in the current file."), | |
2212 | val.line); | |
2213 | } | |
3d50dd94 | 2214 | |
40e084e1 | 2215 | return values; |
c00f8484 KS |
2216 | } |
2217 | ||
a06efdd6 KS |
2218 | /* Convert the given ADDRESS into SaLs. */ |
2219 | ||
6c5b2ebe | 2220 | static std::vector<symtab_and_line> |
a06efdd6 KS |
2221 | convert_address_location_to_sals (struct linespec_state *self, |
2222 | CORE_ADDR address) | |
2223 | { | |
6c5b2ebe | 2224 | symtab_and_line sal = find_pc_line (address, 0); |
a06efdd6 KS |
2225 | sal.pc = address; |
2226 | sal.section = find_pc_overlay (address); | |
2227 | sal.explicit_pc = 1; | |
cd2bb709 | 2228 | sal.symbol = find_pc_sect_containing_function (sal.pc, sal.section); |
6c5b2ebe PA |
2229 | |
2230 | std::vector<symtab_and_line> sals; | |
a06efdd6 KS |
2231 | add_sal_to_sals (self, &sals, &sal, core_addr_to_string (address), 1); |
2232 | ||
2233 | return sals; | |
2234 | } | |
2235 | ||
40e084e1 KS |
2236 | /* Create and return SALs from the linespec LS. */ |
2237 | ||
6c5b2ebe | 2238 | static std::vector<symtab_and_line> |
40e084e1 KS |
2239 | convert_linespec_to_sals (struct linespec_state *state, linespec_p ls) |
2240 | { | |
6c5b2ebe | 2241 | std::vector<symtab_and_line> sals; |
40e084e1 | 2242 | |
a06efdd6 | 2243 | if (ls->labels.label_symbols != NULL) |
40e084e1 KS |
2244 | { |
2245 | /* We have just a bunch of functions/methods or labels. */ | |
7e41c8db KS |
2246 | struct symtab_and_line sal; |
2247 | ||
3553eadc | 2248 | for (const auto &sym : *ls->labels.label_symbols) |
40e084e1 | 2249 | { |
7e41c8db KS |
2250 | struct program_space *pspace |
2251 | = SYMTAB_PSPACE (symbol_symtab (sym.symbol)); | |
fdbb204b | 2252 | |
7e41c8db | 2253 | if (symbol_to_sal (&sal, state->funfirstline, sym.symbol) |
fdbb204b | 2254 | && maybe_add_address (state->addr_set, pspace, sal.pc)) |
64b92e45 | 2255 | add_sal_to_sals (state, &sals, &sal, |
7e41c8db | 2256 | SYMBOL_NATURAL_NAME (sym.symbol), 0); |
40e084e1 KS |
2257 | } |
2258 | } | |
2259 | else if (ls->function_symbols != NULL || ls->minimal_symbols != NULL) | |
2260 | { | |
2261 | /* We have just a bunch of functions and/or methods. */ | |
40e084e1 KS |
2262 | if (ls->function_symbols != NULL) |
2263 | { | |
2264 | /* Sort symbols so that symbols with the same program space are next | |
2265 | to each other. */ | |
7243d011 KS |
2266 | std::sort (ls->function_symbols->begin (), |
2267 | ls->function_symbols->end (), | |
4dedf84d | 2268 | compare_symbols); |
40e084e1 | 2269 | |
7243d011 | 2270 | for (const auto &sym : *ls->function_symbols) |
40e084e1 | 2271 | { |
7e41c8db KS |
2272 | program_space *pspace |
2273 | = SYMTAB_PSPACE (symbol_symtab (sym.symbol)); | |
40e084e1 | 2274 | set_current_program_space (pspace); |
76af0f26 PA |
2275 | |
2276 | /* Don't skip to the first line of the function if we | |
2277 | had found an ifunc minimal symbol for this function, | |
2278 | because that means that this function is an ifunc | |
2279 | resolver with the same name as the ifunc itself. */ | |
2280 | bool found_ifunc = false; | |
2281 | ||
2282 | if (state->funfirstline | |
2283 | && ls->minimal_symbols != NULL | |
7e41c8db | 2284 | && SYMBOL_CLASS (sym.symbol) == LOC_BLOCK) |
76af0f26 PA |
2285 | { |
2286 | const CORE_ADDR addr | |
7e41c8db | 2287 | = BLOCK_ENTRY_PC (SYMBOL_BLOCK_VALUE (sym.symbol)); |
76af0f26 | 2288 | |
c2a031c5 | 2289 | for (const auto &elem : *ls->minimal_symbols) |
76af0f26 | 2290 | { |
c2a031c5 KS |
2291 | if (MSYMBOL_TYPE (elem.minsym) == mst_text_gnu_ifunc |
2292 | || MSYMBOL_TYPE (elem.minsym) == mst_data_gnu_ifunc) | |
76af0f26 | 2293 | { |
c2a031c5 KS |
2294 | CORE_ADDR msym_addr = BMSYMBOL_VALUE_ADDRESS (elem); |
2295 | if (MSYMBOL_TYPE (elem.minsym) == mst_data_gnu_ifunc) | |
f50776aa PA |
2296 | { |
2297 | struct gdbarch *gdbarch | |
c2a031c5 | 2298 | = get_objfile_arch (elem.objfile); |
f50776aa PA |
2299 | msym_addr |
2300 | = (gdbarch_convert_from_func_ptr_addr | |
2301 | (gdbarch, | |
2302 | msym_addr, | |
8b88a78e | 2303 | current_top_target ())); |
f50776aa PA |
2304 | } |
2305 | ||
2306 | if (msym_addr == addr) | |
2307 | { | |
2308 | found_ifunc = true; | |
2309 | break; | |
2310 | } | |
76af0f26 PA |
2311 | } |
2312 | } | |
2313 | } | |
2314 | ||
2315 | if (!found_ifunc) | |
2316 | { | |
2317 | symtab_and_line sal; | |
7e41c8db | 2318 | if (symbol_to_sal (&sal, state->funfirstline, sym.symbol) |
76af0f26 PA |
2319 | && maybe_add_address (state->addr_set, pspace, sal.pc)) |
2320 | add_sal_to_sals (state, &sals, &sal, | |
7e41c8db | 2321 | SYMBOL_NATURAL_NAME (sym.symbol), 0); |
76af0f26 | 2322 | } |
40e084e1 KS |
2323 | } |
2324 | } | |
2325 | ||
2326 | if (ls->minimal_symbols != NULL) | |
2327 | { | |
76af0f26 | 2328 | /* Sort minimal symbols by program space, too */ |
c2a031c5 KS |
2329 | std::sort (ls->minimal_symbols->begin (), |
2330 | ls->minimal_symbols->end (), | |
2331 | compare_msymbols); | |
40e084e1 | 2332 | |
c2a031c5 | 2333 | for (const auto &elem : *ls->minimal_symbols) |
40e084e1 | 2334 | { |
c2a031c5 | 2335 | program_space *pspace = elem.objfile->pspace; |
40e084e1 | 2336 | set_current_program_space (pspace); |
c2a031c5 | 2337 | minsym_found (state, elem.objfile, elem.minsym, &sals); |
40e084e1 KS |
2338 | } |
2339 | } | |
2340 | } | |
67994074 | 2341 | else if (ls->explicit_loc.line_offset.sign != LINE_OFFSET_UNKNOWN) |
40e084e1 KS |
2342 | { |
2343 | /* Only an offset was specified. */ | |
2344 | sals = create_sals_line_offset (state, ls); | |
2345 | ||
2346 | /* Make sure we have a filename for canonicalization. */ | |
67994074 | 2347 | if (ls->explicit_loc.source_filename == NULL) |
05cba821 JK |
2348 | { |
2349 | const char *fullname = symtab_to_fullname (state->default_symtab); | |
2350 | ||
e93ba630 JK |
2351 | /* It may be more appropriate to keep DEFAULT_SYMTAB in its symtab |
2352 | form so that displaying SOURCE_FILENAME can follow the current | |
2353 | FILENAME_DISPLAY_STRING setting. But as it is used only rarely | |
2354 | it has been kept for code simplicity only in absolute form. */ | |
67994074 | 2355 | ls->explicit_loc.source_filename = xstrdup (fullname); |
05cba821 | 2356 | } |
40e084e1 KS |
2357 | } |
2358 | else | |
2359 | { | |
2360 | /* We haven't found any results... */ | |
2361 | return sals; | |
2362 | } | |
2363 | ||
2364 | canonicalize_linespec (state, ls); | |
2365 | ||
6c5b2ebe | 2366 | if (!sals.empty () && state->canonical != NULL) |
40e084e1 KS |
2367 | state->canonical->pre_expanded = 1; |
2368 | ||
2369 | return sals; | |
2370 | } | |
50641945 | 2371 | |
a2459270 PA |
2372 | /* Build RESULT from the explicit location components SOURCE_FILENAME, |
2373 | FUNCTION_NAME, LABEL_NAME and LINE_OFFSET. */ | |
00e52e53 | 2374 | |
a2459270 PA |
2375 | static void |
2376 | convert_explicit_location_to_linespec (struct linespec_state *self, | |
2377 | linespec_p result, | |
2378 | const char *source_filename, | |
2379 | const char *function_name, | |
a20714ff | 2380 | symbol_name_match_type fname_match_type, |
a2459270 PA |
2381 | const char *label_name, |
2382 | struct line_offset line_offset) | |
00e52e53 | 2383 | { |
7e41c8db KS |
2384 | std::vector<block_symbol> symbols; |
2385 | std::vector<block_symbol> *labels; | |
c2a031c5 | 2386 | std::vector<bound_minimal_symbol> minimal_symbols; |
00e52e53 | 2387 | |
a20714ff PA |
2388 | result->explicit_loc.func_name_match_type = fname_match_type; |
2389 | ||
a2459270 | 2390 | if (source_filename != NULL) |
00e52e53 KS |
2391 | { |
2392 | TRY | |
2393 | { | |
4717cec4 SM |
2394 | *result->file_symtabs |
2395 | = symtabs_from_filename (source_filename, self->search_pspace); | |
00e52e53 KS |
2396 | } |
2397 | CATCH (except, RETURN_MASK_ERROR) | |
2398 | { | |
a2459270 | 2399 | source_file_not_found_error (source_filename); |
00e52e53 KS |
2400 | } |
2401 | END_CATCH | |
a2459270 | 2402 | result->explicit_loc.source_filename = xstrdup (source_filename); |
00e52e53 KS |
2403 | } |
2404 | else | |
2405 | { | |
2406 | /* A NULL entry means to use the default symtab. */ | |
2a908241 | 2407 | result->file_symtabs->push_back (nullptr); |
00e52e53 KS |
2408 | } |
2409 | ||
a2459270 | 2410 | if (function_name != NULL) |
00e52e53 KS |
2411 | { |
2412 | find_linespec_symbols (self, result->file_symtabs, | |
a20714ff PA |
2413 | function_name, fname_match_type, |
2414 | &symbols, &minimal_symbols); | |
00e52e53 | 2415 | |
c2a031c5 | 2416 | if (symbols.empty () && minimal_symbols.empty ()) |
a2459270 | 2417 | symbol_not_found_error (function_name, |
67994074 | 2418 | result->explicit_loc.source_filename); |
00e52e53 | 2419 | |
a2459270 | 2420 | result->explicit_loc.function_name = xstrdup (function_name); |
7243d011 | 2421 | result->function_symbols |
7e41c8db | 2422 | = new std::vector<block_symbol> (std::move (symbols)); |
c2a031c5 KS |
2423 | result->minimal_symbols |
2424 | = new std::vector<bound_minimal_symbol> (std::move (minimal_symbols)); | |
00e52e53 KS |
2425 | } |
2426 | ||
a2459270 | 2427 | if (label_name != NULL) |
00e52e53 | 2428 | { |
00e52e53 | 2429 | labels = find_label_symbols (self, result->function_symbols, |
a2459270 | 2430 | &symbols, label_name); |
00e52e53 KS |
2431 | |
2432 | if (labels == NULL) | |
67994074 | 2433 | undefined_label_error (result->explicit_loc.function_name, |
a2459270 | 2434 | label_name); |
00e52e53 | 2435 | |
a2459270 | 2436 | result->explicit_loc.label_name = xstrdup (label_name); |
00e52e53 | 2437 | result->labels.label_symbols = labels; |
7243d011 | 2438 | result->labels.function_symbols |
7e41c8db | 2439 | = new std::vector<block_symbol> (std::move (symbols)); |
00e52e53 KS |
2440 | } |
2441 | ||
a2459270 PA |
2442 | if (line_offset.sign != LINE_OFFSET_UNKNOWN) |
2443 | result->explicit_loc.line_offset = line_offset; | |
2444 | } | |
00e52e53 | 2445 | |
a2459270 PA |
2446 | /* Convert the explicit location EXPLICIT_LOC into SaLs. */ |
2447 | ||
6c5b2ebe | 2448 | static std::vector<symtab_and_line> |
a2459270 PA |
2449 | convert_explicit_location_to_sals (struct linespec_state *self, |
2450 | linespec_p result, | |
2451 | const struct explicit_location *explicit_loc) | |
2452 | { | |
2453 | convert_explicit_location_to_linespec (self, result, | |
2454 | explicit_loc->source_filename, | |
2455 | explicit_loc->function_name, | |
a20714ff | 2456 | explicit_loc->func_name_match_type, |
a2459270 PA |
2457 | explicit_loc->label_name, |
2458 | explicit_loc->line_offset); | |
2459 | return convert_linespec_to_sals (self, result); | |
00e52e53 KS |
2460 | } |
2461 | ||
40e084e1 | 2462 | /* Parse a string that specifies a linespec. |
50641945 | 2463 | |
40e084e1 | 2464 | The basic grammar of linespecs: |
50641945 | 2465 | |
a06efdd6 | 2466 | linespec -> var_spec | basic_spec |
40e084e1 | 2467 | var_spec -> '$' (STRING | NUMBER) |
50641945 | 2468 | |
40e084e1 KS |
2469 | basic_spec -> file_offset_spec | function_spec | label_spec |
2470 | file_offset_spec -> opt_file_spec offset_spec | |
2471 | function_spec -> opt_file_spec function_name_spec opt_label_spec | |
2472 | label_spec -> label_name_spec | |
50641945 | 2473 | |
40e084e1 KS |
2474 | opt_file_spec -> "" | file_name_spec ':' |
2475 | opt_label_spec -> "" | ':' label_name_spec | |
2476 | ||
2477 | file_name_spec -> STRING | |
2478 | function_name_spec -> STRING | |
2479 | label_name_spec -> STRING | |
2480 | function_name_spec -> STRING | |
2481 | offset_spec -> NUMBER | |
2482 | -> '+' NUMBER | |
2483 | -> '-' NUMBER | |
2484 | ||
2485 | This may all be followed by several keywords such as "if EXPR", | |
2486 | which we ignore. | |
2487 | ||
2488 | A comma will terminate parsing. | |
2489 | ||
2490 | The function may be an undebuggable function found in minimal symbol table. | |
50641945 FN |
2491 | |
2492 | If the argument FUNFIRSTLINE is nonzero, we want the first line | |
2493 | of real code inside a function when a function is specified, and it is | |
2494 | not OK to specify a variable or type to get its line number. | |
2495 | ||
2496 | DEFAULT_SYMTAB specifies the file to use if none is specified. | |
2497 | It defaults to current_source_symtab. | |
2498 | DEFAULT_LINE specifies the line number to use for relative | |
2499 | line numbers (that start with signs). Defaults to current_source_line. | |
2500 | If CANONICAL is non-NULL, store an array of strings containing the canonical | |
1777feb0 | 2501 | line specs there if necessary. Currently overloaded member functions and |
50641945 | 2502 | line numbers or static functions without a filename yield a canonical |
1777feb0 | 2503 | line spec. The array and the line spec strings are allocated on the heap, |
50641945 FN |
2504 | it is the callers responsibility to free them. |
2505 | ||
2506 | Note that it is possible to return zero for the symtab | |
2507 | if no file is validly specified. Callers must check that. | |
58438ac1 | 2508 | Also, the line number returned may be invalid. */ |
50641945 | 2509 | |
a20714ff PA |
2510 | /* Parse the linespec in ARG. MATCH_TYPE indicates how function names |
2511 | should be matched. */ | |
50641945 | 2512 | |
6c5b2ebe | 2513 | static std::vector<symtab_and_line> |
a20714ff PA |
2514 | parse_linespec (linespec_parser *parser, const char *arg, |
2515 | symbol_name_match_type match_type) | |
50641945 | 2516 | { |
40e084e1 | 2517 | linespec_token token; |
7556d4a4 | 2518 | struct gdb_exception file_exception = exception_none; |
40e084e1 KS |
2519 | |
2520 | /* A special case to start. It has become quite popular for | |
2521 | IDEs to work around bugs in the previous parser by quoting | |
2522 | the entire linespec, so we attempt to deal with this nicely. */ | |
2523 | parser->is_quote_enclosed = 0; | |
c45ec17c PA |
2524 | if (parser->completion_tracker == NULL |
2525 | && !is_ada_operator (arg) | |
f00aae0f | 2526 | && strchr (linespec_quote_characters, *arg) != NULL) |
40e084e1 KS |
2527 | { |
2528 | const char *end; | |
9ef07c8c | 2529 | |
f00aae0f | 2530 | end = skip_quote_char (arg + 1, *arg); |
40e084e1 | 2531 | if (end != NULL && is_closing_quote_enclosed (end)) |
136e1c30 | 2532 | { |
f00aae0f | 2533 | /* Here's the special case. Skip ARG past the initial |
40e084e1 | 2534 | quote. */ |
f00aae0f | 2535 | ++arg; |
40e084e1 | 2536 | parser->is_quote_enclosed = 1; |
136e1c30 DE |
2537 | } |
2538 | } | |
e8eb7bc5 | 2539 | |
f00aae0f KS |
2540 | parser->lexer.saved_arg = arg; |
2541 | parser->lexer.stream = arg; | |
c45ec17c PA |
2542 | parser->completion_word = arg; |
2543 | parser->complete_what = linespec_complete_what::FUNCTION; | |
a20714ff | 2544 | PARSER_EXPLICIT (parser)->func_name_match_type = match_type; |
d2630e69 | 2545 | |
40e084e1 KS |
2546 | /* Initialize the default symtab and line offset. */ |
2547 | initialize_defaults (&PARSER_STATE (parser)->default_symtab, | |
2548 | &PARSER_STATE (parser)->default_line); | |
d2630e69 | 2549 | |
40e084e1 | 2550 | /* Objective-C shortcut. */ |
c45ec17c PA |
2551 | if (parser->completion_tracker == NULL) |
2552 | { | |
6c5b2ebe PA |
2553 | std::vector<symtab_and_line> values |
2554 | = decode_objc (PARSER_STATE (parser), PARSER_RESULT (parser), arg); | |
2555 | if (!values.empty ()) | |
c45ec17c PA |
2556 | return values; |
2557 | } | |
2558 | else | |
2559 | { | |
2560 | /* "-"/"+" is either an objc selector, or a number. There's | |
2561 | nothing to complete the latter to, so just let the caller | |
2562 | complete on functions, which finds objc selectors, if there's | |
2563 | any. */ | |
2564 | if ((arg[0] == '-' || arg[0] == '+') && arg[1] == '\0') | |
2565 | return {}; | |
2566 | } | |
e0881a8e | 2567 | |
40e084e1 | 2568 | /* Start parsing. */ |
d2630e69 | 2569 | |
40e084e1 | 2570 | /* Get the first token. */ |
c45ec17c | 2571 | token = linespec_lexer_consume_token (parser); |
50641945 | 2572 | |
40e084e1 | 2573 | /* It must be either LSTOKEN_STRING or LSTOKEN_NUMBER. */ |
a06efdd6 | 2574 | if (token.type == LSTOKEN_STRING && *LS_TOKEN_STOKEN (token).ptr == '$') |
40e084e1 | 2575 | { |
40e084e1 | 2576 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
c45ec17c | 2577 | if (parser->completion_tracker == NULL) |
2a908241 | 2578 | PARSER_RESULT (parser)->file_symtabs->push_back (nullptr); |
dcf9f4ab | 2579 | |
40e084e1 | 2580 | /* User specified a convenience variable or history value. */ |
a5b5adf5 | 2581 | gdb::unique_xmalloc_ptr<char> var = copy_token_string (token); |
00e52e53 | 2582 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 2583 | = linespec_parse_variable (PARSER_STATE (parser), var.get ()); |
f8eba3c6 | 2584 | |
40e084e1 KS |
2585 | /* If a line_offset wasn't found (VAR is the name of a user |
2586 | variable/function), then skip to normal symbol processing. */ | |
00e52e53 | 2587 | if (PARSER_EXPLICIT (parser)->line_offset.sign != LINE_OFFSET_UNKNOWN) |
40e084e1 | 2588 | { |
40e084e1 KS |
2589 | /* Consume this token. */ |
2590 | linespec_lexer_consume_token (parser); | |
dcf9f4ab | 2591 | |
40e084e1 | 2592 | goto convert_to_sals; |
50641945 | 2593 | } |
40e084e1 | 2594 | } |
c45ec17c PA |
2595 | else if (token.type == LSTOKEN_EOI && parser->completion_tracker != NULL) |
2596 | { | |
2597 | /* Let the default linespec_complete_what::FUNCTION kick in. */ | |
2598 | unexpected_linespec_error (parser); | |
2599 | } | |
40e084e1 | 2600 | else if (token.type != LSTOKEN_STRING && token.type != LSTOKEN_NUMBER) |
c45ec17c PA |
2601 | { |
2602 | parser->complete_what = linespec_complete_what::NOTHING; | |
2603 | unexpected_linespec_error (parser); | |
2604 | } | |
50641945 | 2605 | |
40e084e1 KS |
2606 | /* Shortcut: If the next token is not LSTOKEN_COLON, we know that |
2607 | this token cannot represent a filename. */ | |
2608 | token = linespec_lexer_peek_token (parser); | |
0e0b460e | 2609 | |
40e084e1 | 2610 | if (token.type == LSTOKEN_COLON) |
0e0b460e | 2611 | { |
40e084e1 KS |
2612 | /* Get the current token again and extract the filename. */ |
2613 | token = linespec_lexer_lex_one (parser); | |
a5b5adf5 | 2614 | gdb::unique_xmalloc_ptr<char> user_filename = copy_token_string (token); |
50641945 | 2615 | |
40e084e1 | 2616 | /* Check if the input is a filename. */ |
492d29ea | 2617 | TRY |
40e084e1 | 2618 | { |
4717cec4 | 2619 | *PARSER_RESULT (parser)->file_symtabs |
a5b5adf5 | 2620 | = symtabs_from_filename (user_filename.get (), |
c2f4122d | 2621 | PARSER_STATE (parser)->search_pspace); |
40e084e1 | 2622 | } |
492d29ea | 2623 | CATCH (ex, RETURN_MASK_ERROR) |
7556d4a4 PA |
2624 | { |
2625 | file_exception = ex; | |
2626 | } | |
492d29ea | 2627 | END_CATCH |
50641945 | 2628 | |
40e084e1 KS |
2629 | if (file_exception.reason >= 0) |
2630 | { | |
2631 | /* Symtabs were found for the file. Record the filename. */ | |
a5b5adf5 | 2632 | PARSER_EXPLICIT (parser)->source_filename = user_filename.release (); |
f8eba3c6 | 2633 | |
40e084e1 KS |
2634 | /* Get the next token. */ |
2635 | token = linespec_lexer_consume_token (parser); | |
50641945 | 2636 | |
40e084e1 KS |
2637 | /* This is LSTOKEN_COLON; consume it. */ |
2638 | linespec_lexer_consume_token (parser); | |
2639 | } | |
2640 | else | |
2641 | { | |
40e084e1 | 2642 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
2a908241 | 2643 | PARSER_RESULT (parser)->file_symtabs->push_back (nullptr); |
40e084e1 | 2644 | } |
50641945 | 2645 | } |
40e084e1 | 2646 | /* If the next token is not EOI, KEYWORD, or COMMA, issue an error. */ |
c45ec17c PA |
2647 | else if (parser->completion_tracker == NULL |
2648 | && (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD | |
2649 | && token.type != LSTOKEN_COMMA)) | |
d2630e69 | 2650 | { |
40e084e1 KS |
2651 | /* TOKEN is the _next_ token, not the one currently in the parser. |
2652 | Consuming the token will give the correct error message. */ | |
2653 | linespec_lexer_consume_token (parser); | |
2654 | unexpected_linespec_error (parser); | |
d2630e69 | 2655 | } |
50641945 FN |
2656 | else |
2657 | { | |
40e084e1 | 2658 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
2a908241 | 2659 | PARSER_RESULT (parser)->file_symtabs->push_back (nullptr); |
50641945 | 2660 | } |
50641945 | 2661 | |
40e084e1 KS |
2662 | /* Parse the rest of the linespec. */ |
2663 | linespec_parse_basic (parser); | |
50641945 | 2664 | |
c45ec17c PA |
2665 | if (parser->completion_tracker == NULL |
2666 | && PARSER_RESULT (parser)->function_symbols == NULL | |
40e084e1 | 2667 | && PARSER_RESULT (parser)->labels.label_symbols == NULL |
00e52e53 | 2668 | && PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN |
40e084e1 | 2669 | && PARSER_RESULT (parser)->minimal_symbols == NULL) |
f8eba3c6 | 2670 | { |
40e084e1 KS |
2671 | /* The linespec didn't parse. Re-throw the file exception if |
2672 | there was one. */ | |
2673 | if (file_exception.reason < 0) | |
2674 | throw_exception (file_exception); | |
0f5238ed | 2675 | |
40e084e1 | 2676 | /* Otherwise, the symbol is not found. */ |
00e52e53 KS |
2677 | symbol_not_found_error (PARSER_EXPLICIT (parser)->function_name, |
2678 | PARSER_EXPLICIT (parser)->source_filename); | |
0f5238ed TT |
2679 | } |
2680 | ||
40e084e1 | 2681 | convert_to_sals: |
9ef07c8c | 2682 | |
40e084e1 KS |
2683 | /* Get the last token and record how much of the input was parsed, |
2684 | if necessary. */ | |
2685 | token = linespec_lexer_lex_one (parser); | |
2686 | if (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD) | |
c45ec17c PA |
2687 | unexpected_linespec_error (parser); |
2688 | else if (token.type == LSTOKEN_KEYWORD) | |
2689 | { | |
2690 | /* Setup the completion word past the keyword. Lexing never | |
2691 | advances past a keyword automatically, so skip it | |
2692 | manually. */ | |
2693 | parser->completion_word | |
f1735a53 | 2694 | = skip_spaces (skip_to_space (PARSER_STREAM (parser))); |
c45ec17c PA |
2695 | parser->complete_what = linespec_complete_what::EXPRESSION; |
2696 | } | |
50641945 | 2697 | |
40e084e1 | 2698 | /* Convert the data in PARSER_RESULT to SALs. */ |
c45ec17c | 2699 | if (parser->completion_tracker == NULL) |
6c5b2ebe PA |
2700 | return convert_linespec_to_sals (PARSER_STATE (parser), |
2701 | PARSER_RESULT (parser)); | |
f8eba3c6 | 2702 | |
6c5b2ebe | 2703 | return {}; |
413dad4d | 2704 | } |
50641945 | 2705 | |
40e084e1 | 2706 | |
f8eba3c6 | 2707 | /* A constructor for linespec_state. */ |
44fe14ab | 2708 | |
f8eba3c6 TT |
2709 | static void |
2710 | linespec_state_constructor (struct linespec_state *self, | |
40e084e1 | 2711 | int flags, const struct language_defn *language, |
c2f4122d | 2712 | struct program_space *search_pspace, |
f8eba3c6 TT |
2713 | struct symtab *default_symtab, |
2714 | int default_line, | |
2715 | struct linespec_result *canonical) | |
2716 | { | |
2717 | memset (self, 0, sizeof (*self)); | |
40e084e1 | 2718 | self->language = language; |
f8eba3c6 TT |
2719 | self->funfirstline = (flags & DECODE_LINE_FUNFIRSTLINE) ? 1 : 0; |
2720 | self->list_mode = (flags & DECODE_LINE_LIST_MODE) ? 1 : 0; | |
c2f4122d | 2721 | self->search_pspace = search_pspace; |
f8eba3c6 TT |
2722 | self->default_symtab = default_symtab; |
2723 | self->default_line = default_line; | |
2724 | self->canonical = canonical; | |
2725 | self->program_space = current_program_space; | |
2726 | self->addr_set = htab_create_alloc (10, hash_address_entry, eq_address_entry, | |
2727 | xfree, xcalloc, xfree); | |
00e52e53 | 2728 | self->is_linespec = 0; |
f8eba3c6 | 2729 | } |
44fe14ab | 2730 | |
40e084e1 | 2731 | /* Initialize a new linespec parser. */ |
44fe14ab | 2732 | |
3a6ae42d TT |
2733 | linespec_parser::linespec_parser (int flags, |
2734 | const struct language_defn *language, | |
2735 | struct program_space *search_pspace, | |
2736 | struct symtab *default_symtab, | |
2737 | int default_line, | |
2738 | struct linespec_result *canonical) | |
2739 | { | |
2740 | lexer.current.type = LSTOKEN_CONSUMED; | |
2741 | PARSER_RESULT (this)->file_symtabs = new std::vector<symtab *> (); | |
2742 | PARSER_EXPLICIT (this)->func_name_match_type | |
a20714ff | 2743 | = symbol_name_match_type::WILD; |
3a6ae42d TT |
2744 | PARSER_EXPLICIT (this)->line_offset.sign = LINE_OFFSET_UNKNOWN; |
2745 | linespec_state_constructor (PARSER_STATE (this), flags, language, | |
c2f4122d | 2746 | search_pspace, |
40e084e1 KS |
2747 | default_symtab, default_line, canonical); |
2748 | } | |
2749 | ||
2750 | /* A destructor for linespec_state. */ | |
44fe14ab | 2751 | |
40e084e1 KS |
2752 | static void |
2753 | linespec_state_destructor (struct linespec_state *self) | |
2754 | { | |
f8eba3c6 | 2755 | htab_delete (self->addr_set); |
1055a3b4 | 2756 | xfree (self->canonical_names); |
f8eba3c6 | 2757 | } |
44fe14ab | 2758 | |
40e084e1 KS |
2759 | /* Delete a linespec parser. */ |
2760 | ||
3a6ae42d | 2761 | linespec_parser::~linespec_parser () |
40e084e1 | 2762 | { |
3a6ae42d TT |
2763 | xfree (PARSER_EXPLICIT (this)->source_filename); |
2764 | xfree (PARSER_EXPLICIT (this)->label_name); | |
2765 | xfree (PARSER_EXPLICIT (this)->function_name); | |
40e084e1 | 2766 | |
3a6ae42d TT |
2767 | delete PARSER_RESULT (this)->file_symtabs; |
2768 | delete PARSER_RESULT (this)->function_symbols; | |
2769 | delete PARSER_RESULT (this)->minimal_symbols; | |
2770 | delete PARSER_RESULT (this)->labels.label_symbols; | |
2771 | delete PARSER_RESULT (this)->labels.function_symbols; | |
40e084e1 | 2772 | |
3a6ae42d | 2773 | linespec_state_destructor (PARSER_STATE (this)); |
40e084e1 KS |
2774 | } |
2775 | ||
c7c1b3e9 KS |
2776 | /* See description in linespec.h. */ |
2777 | ||
2778 | void | |
f2fc3015 | 2779 | linespec_lex_to_end (const char **stringp) |
c7c1b3e9 | 2780 | { |
c7c1b3e9 | 2781 | linespec_token token; |
c7c1b3e9 KS |
2782 | const char *orig; |
2783 | ||
2784 | if (stringp == NULL || *stringp == NULL) | |
2785 | return; | |
2786 | ||
3a6ae42d | 2787 | linespec_parser parser (0, current_language, NULL, NULL, 0, NULL); |
c7c1b3e9 KS |
2788 | parser.lexer.saved_arg = *stringp; |
2789 | PARSER_STREAM (&parser) = orig = *stringp; | |
2790 | ||
2791 | do | |
2792 | { | |
2793 | /* Stop before any comma tokens; we need it to keep it | |
2794 | as the next token in the string. */ | |
2795 | token = linespec_lexer_peek_token (&parser); | |
2796 | if (token.type == LSTOKEN_COMMA) | |
2797 | break; | |
c7c1b3e9 KS |
2798 | token = linespec_lexer_consume_token (&parser); |
2799 | } | |
2800 | while (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD); | |
2801 | ||
2802 | *stringp += PARSER_STREAM (&parser) - orig; | |
c7c1b3e9 KS |
2803 | } |
2804 | ||
c6756f62 PA |
2805 | /* See linespec.h. */ |
2806 | ||
2807 | void | |
2808 | linespec_complete_function (completion_tracker &tracker, | |
2809 | const char *function, | |
a20714ff | 2810 | symbol_name_match_type func_match_type, |
c6756f62 PA |
2811 | const char *source_filename) |
2812 | { | |
2813 | complete_symbol_mode mode = complete_symbol_mode::LINESPEC; | |
2814 | ||
2815 | if (source_filename != NULL) | |
2816 | { | |
b5ec771e PA |
2817 | collect_file_symbol_completion_matches (tracker, mode, func_match_type, |
2818 | function, function, source_filename); | |
c6756f62 PA |
2819 | } |
2820 | else | |
b5ec771e PA |
2821 | { |
2822 | collect_symbol_completion_matches (tracker, mode, func_match_type, | |
2823 | function, function); | |
2824 | ||
2825 | } | |
c6756f62 PA |
2826 | } |
2827 | ||
c45ec17c PA |
2828 | /* Helper for complete_linespec to simplify it. SOURCE_FILENAME is |
2829 | only meaningful if COMPONENT is FUNCTION. */ | |
2830 | ||
2831 | static void | |
2832 | complete_linespec_component (linespec_parser *parser, | |
2833 | completion_tracker &tracker, | |
2834 | const char *text, | |
2835 | linespec_complete_what component, | |
2836 | const char *source_filename) | |
2837 | { | |
2838 | if (component == linespec_complete_what::KEYWORD) | |
2839 | { | |
2840 | complete_on_enum (tracker, linespec_keywords, text, text); | |
2841 | } | |
2842 | else if (component == linespec_complete_what::EXPRESSION) | |
2843 | { | |
2844 | const char *word | |
2845 | = advance_to_expression_complete_word_point (tracker, text); | |
2846 | complete_expression (tracker, text, word); | |
2847 | } | |
2848 | else if (component == linespec_complete_what::FUNCTION) | |
2849 | { | |
2850 | completion_list fn_list; | |
2851 | ||
a20714ff PA |
2852 | symbol_name_match_type match_type |
2853 | = PARSER_EXPLICIT (parser)->func_name_match_type; | |
2854 | linespec_complete_function (tracker, text, match_type, source_filename); | |
c45ec17c PA |
2855 | if (source_filename == NULL) |
2856 | { | |
2857 | /* Haven't seen a source component, like in "b | |
2858 | file.c:function[TAB]". Maybe this wasn't a function, but | |
2859 | a filename instead, like "b file.[TAB]". */ | |
2860 | fn_list = complete_source_filenames (text); | |
2861 | } | |
2862 | ||
2863 | /* If we only have a single filename completion, append a ':' for | |
2864 | the user, since that's the only thing that can usefully follow | |
2865 | the filename. */ | |
2866 | if (fn_list.size () == 1 && !tracker.have_completions ()) | |
2867 | { | |
2868 | char *fn = fn_list[0].release (); | |
2869 | ||
2870 | /* If we also need to append a quote char, it needs to be | |
2871 | appended before the ':'. Append it now, and make ':' the | |
2872 | new "quote" char. */ | |
2873 | if (tracker.quote_char ()) | |
2874 | { | |
896a7aa6 | 2875 | char quote_char_str[2] = { (char) tracker.quote_char () }; |
c45ec17c PA |
2876 | |
2877 | fn = reconcat (fn, fn, quote_char_str, (char *) NULL); | |
2878 | tracker.set_quote_char (':'); | |
2879 | } | |
2880 | else | |
2881 | fn = reconcat (fn, fn, ":", (char *) NULL); | |
2882 | fn_list[0].reset (fn); | |
2883 | ||
2884 | /* Tell readline to skip appending a space. */ | |
2885 | tracker.set_suppress_append_ws (true); | |
2886 | } | |
2887 | tracker.add_completions (std::move (fn_list)); | |
2888 | } | |
2889 | } | |
2890 | ||
a2459270 PA |
2891 | /* Helper for linespec_complete_label. Find labels that match |
2892 | LABEL_NAME in the function symbols listed in the PARSER, and add | |
2893 | them to the tracker. */ | |
2894 | ||
2895 | static void | |
2896 | complete_label (completion_tracker &tracker, | |
2897 | linespec_parser *parser, | |
2898 | const char *label_name) | |
2899 | { | |
7e41c8db KS |
2900 | std::vector<block_symbol> label_function_symbols; |
2901 | std::vector<block_symbol> *labels | |
a2459270 PA |
2902 | = find_label_symbols (PARSER_STATE (parser), |
2903 | PARSER_RESULT (parser)->function_symbols, | |
2904 | &label_function_symbols, | |
2905 | label_name, true); | |
2906 | ||
3553eadc | 2907 | if (labels != nullptr) |
a2459270 | 2908 | { |
3553eadc KS |
2909 | for (const auto &label : *labels) |
2910 | { | |
7e41c8db | 2911 | char *match = xstrdup (SYMBOL_SEARCH_NAME (label.symbol)); |
3553eadc KS |
2912 | tracker.add_completion (gdb::unique_xmalloc_ptr<char> (match)); |
2913 | } | |
2914 | delete labels; | |
a2459270 | 2915 | } |
a2459270 PA |
2916 | } |
2917 | ||
2918 | /* See linespec.h. */ | |
2919 | ||
2920 | void | |
2921 | linespec_complete_label (completion_tracker &tracker, | |
2922 | const struct language_defn *language, | |
2923 | const char *source_filename, | |
2924 | const char *function_name, | |
a20714ff | 2925 | symbol_name_match_type func_name_match_type, |
a2459270 PA |
2926 | const char *label_name) |
2927 | { | |
3a6ae42d | 2928 | linespec_parser parser (0, language, NULL, NULL, 0, NULL); |
a2459270 PA |
2929 | |
2930 | line_offset unknown_offset = { 0, LINE_OFFSET_UNKNOWN }; | |
2931 | ||
2932 | TRY | |
2933 | { | |
2934 | convert_explicit_location_to_linespec (PARSER_STATE (&parser), | |
2935 | PARSER_RESULT (&parser), | |
2936 | source_filename, | |
2937 | function_name, | |
a20714ff | 2938 | func_name_match_type, |
a2459270 PA |
2939 | NULL, unknown_offset); |
2940 | } | |
2941 | CATCH (ex, RETURN_MASK_ERROR) | |
2942 | { | |
a2459270 PA |
2943 | return; |
2944 | } | |
2945 | END_CATCH | |
2946 | ||
2947 | complete_label (tracker, &parser, label_name); | |
a2459270 PA |
2948 | } |
2949 | ||
c45ec17c PA |
2950 | /* See description in linespec.h. */ |
2951 | ||
2952 | void | |
a20714ff PA |
2953 | linespec_complete (completion_tracker &tracker, const char *text, |
2954 | symbol_name_match_type match_type) | |
c45ec17c | 2955 | { |
c45ec17c PA |
2956 | const char *orig = text; |
2957 | ||
3a6ae42d | 2958 | linespec_parser parser (0, current_language, NULL, NULL, 0, NULL); |
c45ec17c | 2959 | parser.lexer.saved_arg = text; |
a20714ff | 2960 | PARSER_EXPLICIT (&parser)->func_name_match_type = match_type; |
c45ec17c PA |
2961 | PARSER_STREAM (&parser) = text; |
2962 | ||
2963 | parser.completion_tracker = &tracker; | |
2964 | PARSER_STATE (&parser)->is_linespec = 1; | |
2965 | ||
2966 | /* Parse as much as possible. parser.completion_word will hold | |
2967 | furthest completion point we managed to parse to. */ | |
2968 | TRY | |
2969 | { | |
a20714ff | 2970 | parse_linespec (&parser, text, match_type); |
c45ec17c PA |
2971 | } |
2972 | CATCH (except, RETURN_MASK_ERROR) | |
2973 | { | |
2974 | } | |
2975 | END_CATCH | |
2976 | ||
2977 | if (parser.completion_quote_char != '\0' | |
2978 | && parser.completion_quote_end != NULL | |
2979 | && parser.completion_quote_end[1] == '\0') | |
2980 | { | |
2981 | /* If completing a quoted string with the cursor right at | |
2982 | terminating quote char, complete the completion word without | |
2983 | interpretation, so that readline advances the cursor one | |
2984 | whitespace past the quote, even if there's no match. This | |
2985 | makes these cases behave the same: | |
2986 | ||
2987 | before: "b function()" | |
2988 | after: "b function() " | |
2989 | ||
2990 | before: "b 'function()'" | |
2991 | after: "b 'function()' " | |
2992 | ||
2993 | and trusts the user in this case: | |
2994 | ||
2995 | before: "b 'not_loaded_function_yet()'" | |
2996 | after: "b 'not_loaded_function_yet()' " | |
2997 | */ | |
2998 | parser.complete_what = linespec_complete_what::NOTHING; | |
2999 | parser.completion_quote_char = '\0'; | |
3000 | ||
3001 | gdb::unique_xmalloc_ptr<char> text_copy | |
3002 | (xstrdup (parser.completion_word)); | |
3003 | tracker.add_completion (std::move (text_copy)); | |
3004 | } | |
3005 | ||
3006 | tracker.set_quote_char (parser.completion_quote_char); | |
3007 | ||
3008 | if (parser.complete_what == linespec_complete_what::LABEL) | |
3009 | { | |
3010 | parser.complete_what = linespec_complete_what::NOTHING; | |
3011 | ||
3012 | const char *func_name = PARSER_EXPLICIT (&parser)->function_name; | |
3013 | ||
7e41c8db | 3014 | std::vector<block_symbol> function_symbols; |
c2a031c5 | 3015 | std::vector<bound_minimal_symbol> minimal_symbols; |
c45ec17c PA |
3016 | find_linespec_symbols (PARSER_STATE (&parser), |
3017 | PARSER_RESULT (&parser)->file_symtabs, | |
a20714ff | 3018 | func_name, match_type, |
c45ec17c PA |
3019 | &function_symbols, &minimal_symbols); |
3020 | ||
7243d011 | 3021 | PARSER_RESULT (&parser)->function_symbols |
7e41c8db | 3022 | = new std::vector<block_symbol> (std::move (function_symbols)); |
c2a031c5 KS |
3023 | PARSER_RESULT (&parser)->minimal_symbols |
3024 | = new std::vector<bound_minimal_symbol> (std::move (minimal_symbols)); | |
c45ec17c PA |
3025 | |
3026 | complete_label (tracker, &parser, parser.completion_word); | |
3027 | } | |
3028 | else if (parser.complete_what == linespec_complete_what::FUNCTION) | |
3029 | { | |
3030 | /* While parsing/lexing, we didn't know whether the completion | |
3031 | word completes to a unique function/source name already or | |
3032 | not. | |
3033 | ||
3034 | E.g.: | |
3035 | "b function() <tab>" | |
3036 | may need to complete either to: | |
3037 | "b function() const" | |
3038 | or to: | |
3039 | "b function() if/thread/task" | |
3040 | ||
3041 | Or, this: | |
3042 | "b foo t" | |
3043 | may need to complete either to: | |
3044 | "b foo template_fun<T>()" | |
3045 | with "foo" being the template function's return type, or to: | |
3046 | "b foo thread/task" | |
3047 | ||
3048 | Or, this: | |
3049 | "b file<TAB>" | |
3050 | may need to complete either to a source file name: | |
3051 | "b file.c" | |
3052 | or this, also a filename, but a unique completion: | |
3053 | "b file.c:" | |
3054 | or to a function name: | |
3055 | "b file_function" | |
3056 | ||
3057 | Address that by completing assuming source or function, and | |
3058 | seeing if we find a completion that matches exactly the | |
3059 | completion word. If so, then it must be a function (see note | |
3060 | below) and we advance the completion word to the end of input | |
3061 | and switch to KEYWORD completion mode. | |
3062 | ||
3063 | Note: if we find a unique completion for a source filename, | |
3064 | then it won't match the completion word, because the LCD will | |
3065 | contain a trailing ':'. And if we're completing at or after | |
3066 | the ':', then complete_linespec_component won't try to | |
3067 | complete on source filenames. */ | |
3068 | ||
c45ec17c PA |
3069 | const char *word = parser.completion_word; |
3070 | ||
3071 | complete_linespec_component (&parser, tracker, | |
3072 | parser.completion_word, | |
3073 | linespec_complete_what::FUNCTION, | |
3074 | PARSER_EXPLICIT (&parser)->source_filename); | |
3075 | ||
3076 | parser.complete_what = linespec_complete_what::NOTHING; | |
3077 | ||
3078 | if (tracker.quote_char ()) | |
3079 | { | |
3080 | /* The function/file name was not close-quoted, so this | |
3081 | can't be a keyword. Note: complete_linespec_component | |
3082 | may have swapped the original quote char for ':' when we | |
3083 | get here, but that still indicates the same. */ | |
3084 | } | |
3085 | else if (!tracker.have_completions ()) | |
3086 | { | |
3087 | size_t key_start; | |
3088 | size_t wordlen = strlen (parser.completion_word); | |
3089 | ||
3090 | key_start | |
3091 | = string_find_incomplete_keyword_at_end (linespec_keywords, | |
3092 | parser.completion_word, | |
3093 | wordlen); | |
3094 | ||
3095 | if (key_start != -1 | |
3096 | || (wordlen > 0 | |
3097 | && parser.completion_word[wordlen - 1] == ' ')) | |
3098 | { | |
3099 | parser.completion_word += key_start; | |
3100 | parser.complete_what = linespec_complete_what::KEYWORD; | |
3101 | } | |
3102 | } | |
3103 | else if (tracker.completes_to_completion_word (word)) | |
3104 | { | |
3105 | /* Skip the function and complete on keywords. */ | |
3106 | parser.completion_word += strlen (word); | |
3107 | parser.complete_what = linespec_complete_what::KEYWORD; | |
3108 | tracker.discard_completions (); | |
3109 | } | |
3110 | } | |
3111 | ||
3112 | tracker.advance_custom_word_point_by (parser.completion_word - orig); | |
3113 | ||
3114 | complete_linespec_component (&parser, tracker, | |
3115 | parser.completion_word, | |
3116 | parser.complete_what, | |
3117 | PARSER_EXPLICIT (&parser)->source_filename); | |
3118 | ||
3119 | /* If we're past the "filename:function:label:offset" linespec, and | |
3120 | didn't find any match, then assume the user might want to create | |
3121 | a pending breakpoint anyway and offer the keyword | |
3122 | completions. */ | |
3123 | if (!parser.completion_quote_char | |
3124 | && (parser.complete_what == linespec_complete_what::FUNCTION | |
3125 | || parser.complete_what == linespec_complete_what::LABEL | |
3126 | || parser.complete_what == linespec_complete_what::NOTHING) | |
3127 | && !tracker.have_completions ()) | |
3128 | { | |
3129 | const char *end | |
3130 | = parser.completion_word + strlen (parser.completion_word); | |
3131 | ||
3132 | if (end > orig && end[-1] == ' ') | |
3133 | { | |
3134 | tracker.advance_custom_word_point_by (end - parser.completion_word); | |
3135 | ||
3136 | complete_linespec_component (&parser, tracker, end, | |
3137 | linespec_complete_what::KEYWORD, | |
3138 | NULL); | |
3139 | } | |
3140 | } | |
c45ec17c PA |
3141 | } |
3142 | ||
f00aae0f | 3143 | /* A helper function for decode_line_full and decode_line_1 to |
6c5b2ebe | 3144 | turn LOCATION into std::vector<symtab_and_line>. */ |
f00aae0f | 3145 | |
6c5b2ebe | 3146 | static std::vector<symtab_and_line> |
f00aae0f KS |
3147 | event_location_to_sals (linespec_parser *parser, |
3148 | const struct event_location *location) | |
3149 | { | |
6c5b2ebe | 3150 | std::vector<symtab_and_line> result; |
f00aae0f KS |
3151 | |
3152 | switch (event_location_type (location)) | |
3153 | { | |
3154 | case LINESPEC_LOCATION: | |
3155 | { | |
00e52e53 | 3156 | PARSER_STATE (parser)->is_linespec = 1; |
f00aae0f KS |
3157 | TRY |
3158 | { | |
a20714ff PA |
3159 | const linespec_location *ls = get_linespec_location (location); |
3160 | result = parse_linespec (parser, | |
3161 | ls->spec_string, ls->match_type); | |
f00aae0f KS |
3162 | } |
3163 | CATCH (except, RETURN_MASK_ERROR) | |
3164 | { | |
3165 | throw_exception (except); | |
3166 | } | |
3167 | END_CATCH | |
3168 | } | |
3169 | break; | |
3170 | ||
a06efdd6 | 3171 | case ADDRESS_LOCATION: |
305e13e6 JB |
3172 | { |
3173 | const char *addr_string = get_address_string_location (location); | |
3174 | CORE_ADDR addr = get_address_location (location); | |
3175 | ||
3176 | if (addr_string != NULL) | |
3177 | { | |
9be2c17a | 3178 | addr = linespec_expression_to_pc (&addr_string); |
305e13e6 JB |
3179 | if (PARSER_STATE (parser)->canonical != NULL) |
3180 | PARSER_STATE (parser)->canonical->location | |
8e9e35b1 | 3181 | = copy_event_location (location); |
305e13e6 JB |
3182 | } |
3183 | ||
3184 | result = convert_address_location_to_sals (PARSER_STATE (parser), | |
3185 | addr); | |
3186 | } | |
a06efdd6 KS |
3187 | break; |
3188 | ||
00e52e53 KS |
3189 | case EXPLICIT_LOCATION: |
3190 | { | |
67994074 | 3191 | const struct explicit_location *explicit_loc; |
00e52e53 | 3192 | |
67994074 | 3193 | explicit_loc = get_explicit_location_const (location); |
00e52e53 KS |
3194 | result = convert_explicit_location_to_sals (PARSER_STATE (parser), |
3195 | PARSER_RESULT (parser), | |
67994074 | 3196 | explicit_loc); |
00e52e53 KS |
3197 | } |
3198 | break; | |
3199 | ||
5b56227b KS |
3200 | case PROBE_LOCATION: |
3201 | /* Probes are handled by their own decoders. */ | |
3202 | gdb_assert_not_reached ("attempt to decode probe location"); | |
3203 | break; | |
3204 | ||
f00aae0f KS |
3205 | default: |
3206 | gdb_assert_not_reached ("unhandled event location type"); | |
3207 | } | |
3208 | ||
3209 | return result; | |
3210 | } | |
3211 | ||
f8eba3c6 | 3212 | /* See linespec.h. */ |
44fe14ab | 3213 | |
f8eba3c6 | 3214 | void |
f00aae0f | 3215 | decode_line_full (const struct event_location *location, int flags, |
c2f4122d | 3216 | struct program_space *search_pspace, |
f8eba3c6 TT |
3217 | struct symtab *default_symtab, |
3218 | int default_line, struct linespec_result *canonical, | |
3219 | const char *select_mode, | |
3220 | const char *filter) | |
44fe14ab | 3221 | { |
f73c6ece | 3222 | std::vector<const char *> filters; |
40e084e1 | 3223 | struct linespec_state *state; |
f8eba3c6 TT |
3224 | |
3225 | gdb_assert (canonical != NULL); | |
3226 | /* The filter only makes sense for 'all'. */ | |
3227 | gdb_assert (filter == NULL || select_mode == multiple_symbols_all); | |
3228 | gdb_assert (select_mode == NULL | |
3229 | || select_mode == multiple_symbols_all | |
3230 | || select_mode == multiple_symbols_ask | |
3231 | || select_mode == multiple_symbols_cancel); | |
3232 | gdb_assert ((flags & DECODE_LINE_LIST_MODE) == 0); | |
3233 | ||
3a6ae42d TT |
3234 | linespec_parser parser (flags, current_language, |
3235 | search_pspace, default_symtab, | |
3236 | default_line, canonical); | |
5ed8105e PA |
3237 | |
3238 | scoped_restore_current_program_space restore_pspace; | |
f8eba3c6 | 3239 | |
6c5b2ebe PA |
3240 | std::vector<symtab_and_line> result = event_location_to_sals (&parser, |
3241 | location); | |
40e084e1 | 3242 | state = PARSER_STATE (&parser); |
f8eba3c6 | 3243 | |
6c5b2ebe | 3244 | gdb_assert (result.size () == 1 || canonical->pre_expanded); |
f8eba3c6 TT |
3245 | canonical->pre_expanded = 1; |
3246 | ||
66f1999b | 3247 | /* Arrange for allocated canonical names to be freed. */ |
3a6ae42d TT |
3248 | std::vector<gdb::unique_xmalloc_ptr<char>> hold_names; |
3249 | for (int i = 0; i < result.size (); ++i) | |
f8eba3c6 | 3250 | { |
3a6ae42d TT |
3251 | gdb_assert (state->canonical_names[i].suffix != NULL); |
3252 | hold_names.emplace_back (state->canonical_names[i].suffix); | |
f8eba3c6 TT |
3253 | } |
3254 | ||
3255 | if (select_mode == NULL) | |
3256 | { | |
29f94340 | 3257 | if (top_level_interpreter ()->interp_ui_out ()->is_mi_like_p ()) |
f8eba3c6 TT |
3258 | select_mode = multiple_symbols_all; |
3259 | else | |
3260 | select_mode = multiple_symbols_select_mode (); | |
3261 | } | |
3262 | ||
3263 | if (select_mode == multiple_symbols_all) | |
3264 | { | |
3265 | if (filter != NULL) | |
3266 | { | |
f73c6ece | 3267 | filters.push_back (filter); |
40e084e1 | 3268 | filter_results (state, &result, filters); |
f8eba3c6 TT |
3269 | } |
3270 | else | |
40e084e1 | 3271 | convert_results_to_lsals (state, &result); |
f8eba3c6 TT |
3272 | } |
3273 | else | |
40e084e1 | 3274 | decode_line_2 (state, &result, select_mode); |
f8eba3c6 TT |
3275 | } |
3276 | ||
39cf75f7 DE |
3277 | /* See linespec.h. */ |
3278 | ||
6c5b2ebe | 3279 | std::vector<symtab_and_line> |
f00aae0f | 3280 | decode_line_1 (const struct event_location *location, int flags, |
c2f4122d | 3281 | struct program_space *search_pspace, |
f8eba3c6 TT |
3282 | struct symtab *default_symtab, |
3283 | int default_line) | |
3284 | { | |
3a6ae42d TT |
3285 | linespec_parser parser (flags, current_language, |
3286 | search_pspace, default_symtab, | |
3287 | default_line, NULL); | |
5ed8105e PA |
3288 | |
3289 | scoped_restore_current_program_space restore_pspace; | |
f8eba3c6 | 3290 | |
3a6ae42d | 3291 | return event_location_to_sals (&parser, location); |
f8eba3c6 TT |
3292 | } |
3293 | ||
39cf75f7 DE |
3294 | /* See linespec.h. */ |
3295 | ||
6c5b2ebe | 3296 | std::vector<symtab_and_line> |
f2fc3015 | 3297 | decode_line_with_current_source (const char *string, int flags) |
39cf75f7 | 3298 | { |
39cf75f7 DE |
3299 | if (string == 0) |
3300 | error (_("Empty line specification.")); | |
3301 | ||
3302 | /* We use whatever is set as the current source line. We do not try | |
3303 | and get a default source symtab+line or it will recursively call us! */ | |
6c5b2ebe | 3304 | symtab_and_line cursal = get_current_source_symtab_and_line (); |
39cf75f7 | 3305 | |
ffc2605c TT |
3306 | event_location_up location = string_to_event_location (&string, |
3307 | current_language); | |
6c5b2ebe PA |
3308 | std::vector<symtab_and_line> sals |
3309 | = decode_line_1 (location.get (), flags, NULL, cursal.symtab, cursal.line); | |
39cf75f7 DE |
3310 | |
3311 | if (*string) | |
3312 | error (_("Junk at end of line specification: %s"), string); | |
f00aae0f | 3313 | |
39cf75f7 DE |
3314 | return sals; |
3315 | } | |
3316 | ||
3317 | /* See linespec.h. */ | |
3318 | ||
6c5b2ebe | 3319 | std::vector<symtab_and_line> |
f2fc3015 | 3320 | decode_line_with_last_displayed (const char *string, int flags) |
39cf75f7 | 3321 | { |
39cf75f7 DE |
3322 | if (string == 0) |
3323 | error (_("Empty line specification.")); | |
3324 | ||
ffc2605c TT |
3325 | event_location_up location = string_to_event_location (&string, |
3326 | current_language); | |
6c5b2ebe PA |
3327 | std::vector<symtab_and_line> sals |
3328 | = (last_displayed_sal_is_valid () | |
3329 | ? decode_line_1 (location.get (), flags, NULL, | |
3330 | get_last_displayed_symtab (), | |
3331 | get_last_displayed_line ()) | |
3332 | : decode_line_1 (location.get (), flags, NULL, | |
3333 | (struct symtab *) NULL, 0)); | |
39cf75f7 DE |
3334 | |
3335 | if (*string) | |
3336 | error (_("Junk at end of line specification: %s"), string); | |
f00aae0f | 3337 | |
39cf75f7 DE |
3338 | return sals; |
3339 | } | |
3340 | ||
f8eba3c6 TT |
3341 | \f |
3342 | ||
3343 | /* First, some functions to initialize stuff at the beggining of the | |
3344 | function. */ | |
3345 | ||
3346 | static void | |
3347 | initialize_defaults (struct symtab **default_symtab, int *default_line) | |
3348 | { | |
3349 | if (*default_symtab == 0) | |
3350 | { | |
3351 | /* Use whatever we have for the default source line. We don't use | |
3352 | get_current_or_default_symtab_and_line as it can recurse and call | |
3353 | us back! */ | |
3354 | struct symtab_and_line cursal = | |
3355 | get_current_source_symtab_and_line (); | |
3356 | ||
3357 | *default_symtab = cursal.symtab; | |
3358 | *default_line = cursal.line; | |
3359 | } | |
3360 | } | |
3361 | ||
3362 | \f | |
3363 | ||
40e084e1 KS |
3364 | /* Evaluate the expression pointed to by EXP_PTR into a CORE_ADDR, |
3365 | advancing EXP_PTR past any parsed text. */ | |
f8eba3c6 | 3366 | |
a06efdd6 | 3367 | CORE_ADDR |
bbc13ae3 | 3368 | linespec_expression_to_pc (const char **exp_ptr) |
f8eba3c6 | 3369 | { |
f8eba3c6 TT |
3370 | if (current_program_space->executing_startup) |
3371 | /* The error message doesn't really matter, because this case | |
3372 | should only hit during breakpoint reset. */ | |
3373 | throw_error (NOT_FOUND_ERROR, _("cannot evaluate expressions while " | |
3374 | "program space is in startup")); | |
3375 | ||
40e084e1 KS |
3376 | (*exp_ptr)++; |
3377 | return value_as_address (parse_to_comma_and_eval (exp_ptr)); | |
0960f083 DC |
3378 | } |
3379 | ||
3380 | \f | |
3381 | ||
d2630e69 AF |
3382 | /* Here's where we recognise an Objective-C Selector. An Objective C |
3383 | selector may be implemented by more than one class, therefore it | |
3384 | may represent more than one method/function. This gives us a | |
3385 | situation somewhat analogous to C++ overloading. If there's more | |
3386 | than one method that could represent the selector, then use some of | |
3387 | the existing C++ code to let the user choose one. */ | |
3388 | ||
6c5b2ebe | 3389 | static std::vector<symtab_and_line> |
f00aae0f | 3390 | decode_objc (struct linespec_state *self, linespec_p ls, const char *arg) |
d2630e69 | 3391 | { |
f8eba3c6 | 3392 | struct collect_info info; |
9b2f8581 | 3393 | std::vector<const char *> symbol_names; |
d7561cbb | 3394 | const char *new_argptr; |
f8eba3c6 TT |
3395 | |
3396 | info.state = self; | |
2a908241 KS |
3397 | std::vector<symtab *> symtabs; |
3398 | symtabs.push_back (nullptr); | |
3399 | ||
3400 | info.file_symtabs = &symtabs; | |
7243d011 | 3401 | |
7e41c8db | 3402 | std::vector<block_symbol> symbols; |
7243d011 | 3403 | info.result.symbols = &symbols; |
c2a031c5 KS |
3404 | std::vector<bound_minimal_symbol> minimal_symbols; |
3405 | info.result.minimal_symbols = &minimal_symbols; | |
f8eba3c6 | 3406 | |
f00aae0f | 3407 | new_argptr = find_imps (arg, &symbol_names); |
9b2f8581 | 3408 | if (symbol_names.empty ()) |
2a908241 | 3409 | return {}; |
d2630e69 | 3410 | |
56d87ef7 PA |
3411 | add_all_symbol_names_from_pspace (&info, NULL, symbol_names, |
3412 | FUNCTIONS_DOMAIN); | |
d2630e69 | 3413 | |
6c5b2ebe | 3414 | std::vector<symtab_and_line> values; |
c2a031c5 | 3415 | if (!symbols.empty () || !minimal_symbols.empty ()) |
d2630e69 | 3416 | { |
f8eba3c6 | 3417 | char *saved_arg; |
d2630e69 | 3418 | |
224c3ddb | 3419 | saved_arg = (char *) alloca (new_argptr - arg + 1); |
f00aae0f KS |
3420 | memcpy (saved_arg, arg, new_argptr - arg); |
3421 | saved_arg[new_argptr - arg] = '\0'; | |
d2630e69 | 3422 | |
67994074 | 3423 | ls->explicit_loc.function_name = xstrdup (saved_arg); |
7e41c8db KS |
3424 | ls->function_symbols |
3425 | = new std::vector<block_symbol> (std::move (symbols)); | |
c2a031c5 KS |
3426 | ls->minimal_symbols |
3427 | = new std::vector<bound_minimal_symbol> (std::move (minimal_symbols)); | |
40e084e1 KS |
3428 | values = convert_linespec_to_sals (self, ls); |
3429 | ||
f8eba3c6 | 3430 | if (self->canonical) |
d2630e69 | 3431 | { |
f2fc3015 TT |
3432 | std::string holder; |
3433 | const char *str; | |
f00aae0f | 3434 | |
f8eba3c6 | 3435 | self->canonical->pre_expanded = 1; |
f00aae0f | 3436 | |
67994074 | 3437 | if (ls->explicit_loc.source_filename) |
f00aae0f | 3438 | { |
f2fc3015 TT |
3439 | holder = string_printf ("%s:%s", |
3440 | ls->explicit_loc.source_filename, | |
3441 | saved_arg); | |
3442 | str = holder.c_str (); | |
f00aae0f | 3443 | } |
f8eba3c6 | 3444 | else |
f2fc3015 | 3445 | str = saved_arg; |
f00aae0f | 3446 | |
a20714ff PA |
3447 | self->canonical->location |
3448 | = new_linespec_location (&str, symbol_name_match_type::FULL); | |
d2630e69 | 3449 | } |
d2630e69 AF |
3450 | } |
3451 | ||
40e084e1 | 3452 | return values; |
f8eba3c6 | 3453 | } |
c00f8484 | 3454 | |
ffdbe864 YQ |
3455 | namespace { |
3456 | ||
14bc53a8 PA |
3457 | /* A function object that serves as symbol_found_callback_ftype |
3458 | callback for iterate_over_symbols. This is used by | |
3459 | lookup_prefix_sym to collect type symbols. */ | |
3460 | class decode_compound_collector | |
f8eba3c6 | 3461 | { |
14bc53a8 | 3462 | public: |
fc4007c9 | 3463 | decode_compound_collector () |
fc4007c9 | 3464 | { |
14bc53a8 PA |
3465 | m_unique_syms = htab_create_alloc (1, htab_hash_pointer, |
3466 | htab_eq_pointer, NULL, | |
3467 | xcalloc, xfree); | |
fc4007c9 TT |
3468 | } |
3469 | ||
3470 | ~decode_compound_collector () | |
3471 | { | |
14bc53a8 PA |
3472 | if (m_unique_syms != NULL) |
3473 | htab_delete (m_unique_syms); | |
fc4007c9 | 3474 | } |
3a93a0c2 | 3475 | |
4dedf84d | 3476 | /* Return all symbols collected. */ |
7e41c8db | 3477 | std::vector<block_symbol> release_symbols () |
14bc53a8 | 3478 | { |
4dedf84d | 3479 | return std::move (m_symbols); |
14bc53a8 | 3480 | } |
c00f8484 | 3481 | |
14bc53a8 | 3482 | /* Callable as a symbol_found_callback_ftype callback. */ |
7e41c8db | 3483 | bool operator () (block_symbol *bsym); |
14bc53a8 PA |
3484 | |
3485 | private: | |
3486 | /* A hash table of all symbols we found. We use this to avoid | |
3487 | adding any symbol more than once. */ | |
3488 | htab_t m_unique_syms; | |
3489 | ||
3490 | /* The result vector. */ | |
7e41c8db | 3491 | std::vector<block_symbol> m_symbols; |
14bc53a8 PA |
3492 | }; |
3493 | ||
3494 | bool | |
7e41c8db | 3495 | decode_compound_collector::operator () (block_symbol *bsym) |
f8eba3c6 | 3496 | { |
f8eba3c6 TT |
3497 | void **slot; |
3498 | struct type *t; | |
7e41c8db | 3499 | struct symbol *sym = bsym->symbol; |
614b3b14 | 3500 | |
f8eba3c6 | 3501 | if (SYMBOL_CLASS (sym) != LOC_TYPEDEF) |
14bc53a8 | 3502 | return true; /* Continue iterating. */ |
f8eba3c6 TT |
3503 | |
3504 | t = SYMBOL_TYPE (sym); | |
f168693b | 3505 | t = check_typedef (t); |
f8eba3c6 TT |
3506 | if (TYPE_CODE (t) != TYPE_CODE_STRUCT |
3507 | && TYPE_CODE (t) != TYPE_CODE_UNION | |
3508 | && TYPE_CODE (t) != TYPE_CODE_NAMESPACE) | |
14bc53a8 | 3509 | return true; /* Continue iterating. */ |
614b3b14 | 3510 | |
14bc53a8 | 3511 | slot = htab_find_slot (m_unique_syms, sym, INSERT); |
f8eba3c6 TT |
3512 | if (!*slot) |
3513 | { | |
3514 | *slot = sym; | |
7e41c8db | 3515 | m_symbols.push_back (*bsym); |
f8eba3c6 TT |
3516 | } |
3517 | ||
14bc53a8 | 3518 | return true; /* Continue iterating. */ |
f8eba3c6 | 3519 | } |
93d91629 | 3520 | |
ffdbe864 YQ |
3521 | } // namespace |
3522 | ||
40e084e1 | 3523 | /* Return any symbols corresponding to CLASS_NAME in FILE_SYMTABS. */ |
93d91629 | 3524 | |
7e41c8db | 3525 | static std::vector<block_symbol> |
2a908241 KS |
3526 | lookup_prefix_sym (struct linespec_state *state, |
3527 | std::vector<symtab *> *file_symtabs, | |
40e084e1 | 3528 | const char *class_name) |
93d91629 | 3529 | { |
14bc53a8 | 3530 | decode_compound_collector collector; |
e0881a8e | 3531 | |
b5ec771e PA |
3532 | lookup_name_info lookup_name (class_name, symbol_name_match_type::FULL); |
3533 | ||
2a908241 | 3534 | for (const auto &elt : *file_symtabs) |
f8eba3c6 | 3535 | { |
2a908241 | 3536 | if (elt == nullptr) |
f8eba3c6 | 3537 | { |
b5ec771e | 3538 | iterate_over_all_matching_symtabs (state, lookup_name, |
56d87ef7 PA |
3539 | STRUCT_DOMAIN, ALL_DOMAIN, |
3540 | NULL, false, collector); | |
b5ec771e | 3541 | iterate_over_all_matching_symtabs (state, lookup_name, |
56d87ef7 PA |
3542 | VAR_DOMAIN, ALL_DOMAIN, |
3543 | NULL, false, collector); | |
f8eba3c6 TT |
3544 | } |
3545 | else | |
3546 | { | |
f8eba3c6 TT |
3547 | /* Program spaces that are executing startup should have |
3548 | been filtered out earlier. */ | |
3549 | gdb_assert (!SYMTAB_PSPACE (elt)->executing_startup); | |
3550 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
b5ec771e PA |
3551 | iterate_over_file_blocks (elt, lookup_name, STRUCT_DOMAIN, collector); |
3552 | iterate_over_file_blocks (elt, lookup_name, VAR_DOMAIN, collector); | |
1e5a1abc KS |
3553 | } |
3554 | } | |
3555 | ||
14bc53a8 | 3556 | return collector.release_symbols (); |
93d91629 DC |
3557 | } |
3558 | ||
7243d011 KS |
3559 | /* A std::sort comparison function for symbols. The resulting order does |
3560 | not actually matter; we just need to be able to sort them so that | |
3561 | symbols with the same program space end up next to each other. */ | |
3562 | ||
3563 | static bool | |
7e41c8db | 3564 | compare_symbols (const block_symbol &a, const block_symbol &b) |
7243d011 KS |
3565 | { |
3566 | uintptr_t uia, uib; | |
3567 | ||
7e41c8db KS |
3568 | uia = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (a.symbol)); |
3569 | uib = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (b.symbol)); | |
7243d011 KS |
3570 | |
3571 | if (uia < uib) | |
3572 | return true; | |
3573 | if (uia > uib) | |
3574 | return false; | |
3575 | ||
7e41c8db KS |
3576 | uia = (uintptr_t) a.symbol; |
3577 | uib = (uintptr_t) b.symbol; | |
7243d011 KS |
3578 | |
3579 | if (uia < uib) | |
3580 | return true; | |
3581 | ||
3582 | return false; | |
3583 | } | |
3584 | ||
40e084e1 | 3585 | /* Like compare_symbols but for minimal symbols. */ |
4224873a | 3586 | |
c2a031c5 KS |
3587 | static bool |
3588 | compare_msymbols (const bound_minimal_symbol &a, const bound_minimal_symbol &b) | |
4224873a | 3589 | { |
f8eba3c6 TT |
3590 | uintptr_t uia, uib; |
3591 | ||
c2a031c5 KS |
3592 | uia = (uintptr_t) a.objfile->pspace; |
3593 | uib = (uintptr_t) a.objfile->pspace; | |
f8eba3c6 TT |
3594 | |
3595 | if (uia < uib) | |
c2a031c5 | 3596 | return true; |
f8eba3c6 | 3597 | if (uia > uib) |
c2a031c5 | 3598 | return false; |
f8eba3c6 | 3599 | |
c2a031c5 KS |
3600 | uia = (uintptr_t) a.minsym; |
3601 | uib = (uintptr_t) b.minsym; | |
f8eba3c6 TT |
3602 | |
3603 | if (uia < uib) | |
c2a031c5 | 3604 | return true; |
f8eba3c6 | 3605 | |
c2a031c5 | 3606 | return false; |
f8eba3c6 TT |
3607 | } |
3608 | ||
3609 | /* Look for all the matching instances of each symbol in NAMES. Only | |
3610 | instances from PSPACE are considered; other program spaces are | |
3611 | handled by our caller. If PSPACE is NULL, then all program spaces | |
3612 | are considered. Results are stored into INFO. */ | |
3613 | ||
3614 | static void | |
3615 | add_all_symbol_names_from_pspace (struct collect_info *info, | |
3616 | struct program_space *pspace, | |
9b2f8581 | 3617 | const std::vector<const char *> &names, |
56d87ef7 | 3618 | enum search_domain search_domain) |
f8eba3c6 | 3619 | { |
9b2f8581 | 3620 | for (const char *iter : names) |
b5ec771e PA |
3621 | add_matching_symbols_to_info (iter, |
3622 | symbol_name_match_type::FULL, | |
56d87ef7 | 3623 | search_domain, info, pspace); |
f8eba3c6 TT |
3624 | } |
3625 | ||
3626 | static void | |
8e8d776e | 3627 | find_superclass_methods (std::vector<struct type *> &&superclasses, |
b5ec771e | 3628 | const char *name, enum language name_lang, |
9b2f8581 | 3629 | std::vector<const char *> *result_names) |
f8eba3c6 | 3630 | { |
9b2f8581 | 3631 | size_t old_len = result_names->size (); |
f8eba3c6 | 3632 | |
f8eba3c6 TT |
3633 | while (1) |
3634 | { | |
8e8d776e | 3635 | std::vector<struct type *> new_supers; |
f8eba3c6 | 3636 | |
52941706 | 3637 | for (type *t : superclasses) |
b5ec771e | 3638 | find_methods (t, name_lang, name, result_names, &new_supers); |
f8eba3c6 | 3639 | |
8e8d776e | 3640 | if (result_names->size () != old_len || new_supers.empty ()) |
f8eba3c6 | 3641 | break; |
4224873a | 3642 | |
8e8d776e | 3643 | superclasses = std::move (new_supers); |
f8eba3c6 | 3644 | } |
f8eba3c6 TT |
3645 | } |
3646 | ||
40e084e1 KS |
3647 | /* This finds the method METHOD_NAME in the class CLASS_NAME whose type is |
3648 | given by one of the symbols in SYM_CLASSES. Matches are returned | |
3649 | in SYMBOLS (for debug symbols) and MINSYMS (for minimal symbols). */ | |
f8eba3c6 | 3650 | |
40e084e1 | 3651 | static void |
2a908241 | 3652 | find_method (struct linespec_state *self, std::vector<symtab *> *file_symtabs, |
40e084e1 | 3653 | const char *class_name, const char *method_name, |
7e41c8db KS |
3654 | std::vector<block_symbol> *sym_classes, |
3655 | std::vector<block_symbol> *symbols, | |
c2a031c5 | 3656 | std::vector<bound_minimal_symbol> *minsyms) |
f8eba3c6 | 3657 | { |
9b2f8581 | 3658 | size_t last_result_len; |
8e8d776e | 3659 | std::vector<struct type *> superclass_vec; |
9b2f8581 | 3660 | std::vector<const char *> result_names; |
f8eba3c6 | 3661 | struct collect_info info; |
4224873a | 3662 | |
f8eba3c6 TT |
3663 | /* Sort symbols so that symbols with the same program space are next |
3664 | to each other. */ | |
4dedf84d KS |
3665 | std::sort (sym_classes->begin (), sym_classes->end (), |
3666 | compare_symbols); | |
f8eba3c6 TT |
3667 | |
3668 | info.state = self; | |
40e084e1 | 3669 | info.file_symtabs = file_symtabs; |
7243d011 | 3670 | info.result.symbols = symbols; |
c2a031c5 | 3671 | info.result.minimal_symbols = minsyms; |
f8eba3c6 TT |
3672 | |
3673 | /* Iterate over all the types, looking for the names of existing | |
40e084e1 | 3674 | methods matching METHOD_NAME. If we cannot find a direct method in a |
f8eba3c6 TT |
3675 | given program space, then we consider inherited methods; this is |
3676 | not ideal (ideal would be to respect C++ hiding rules), but it | |
3677 | seems good enough and is what GDB has historically done. We only | |
3678 | need to collect the names because later we find all symbols with | |
3679 | those names. This loop is written in a somewhat funny way | |
3680 | because we collect data across the program space before deciding | |
3681 | what to do. */ | |
f8eba3c6 | 3682 | last_result_len = 0; |
4dedf84d | 3683 | unsigned int ix = 0; |
7e41c8db | 3684 | for (const auto &elt : *sym_classes) |
f8eba3c6 TT |
3685 | { |
3686 | struct type *t; | |
3687 | struct program_space *pspace; | |
7e41c8db | 3688 | struct symbol *sym = elt.symbol; |
f8eba3c6 TT |
3689 | |
3690 | /* Program spaces that are executing startup should have | |
3691 | been filtered out earlier. */ | |
08be3fe3 DE |
3692 | pspace = SYMTAB_PSPACE (symbol_symtab (sym)); |
3693 | gdb_assert (!pspace->executing_startup); | |
f8eba3c6 TT |
3694 | set_current_program_space (pspace); |
3695 | t = check_typedef (SYMBOL_TYPE (sym)); | |
b5ec771e PA |
3696 | find_methods (t, SYMBOL_LANGUAGE (sym), |
3697 | method_name, &result_names, &superclass_vec); | |
f8eba3c6 TT |
3698 | |
3699 | /* Handle all items from a single program space at once; and be | |
3700 | sure not to miss the last batch. */ | |
4dedf84d | 3701 | if (ix == sym_classes->size () - 1 |
f8eba3c6 | 3702 | || (pspace |
7e41c8db | 3703 | != SYMTAB_PSPACE (symbol_symtab (sym_classes->at (ix + 1).symbol)))) |
4224873a | 3704 | { |
f8eba3c6 TT |
3705 | /* If we did not find a direct implementation anywhere in |
3706 | this program space, consider superclasses. */ | |
9b2f8581 | 3707 | if (result_names.size () == last_result_len) |
8e8d776e | 3708 | find_superclass_methods (std::move (superclass_vec), method_name, |
b5ec771e | 3709 | SYMBOL_LANGUAGE (sym), &result_names); |
f8eba3c6 TT |
3710 | |
3711 | /* We have a list of candidate symbol names, so now we | |
3712 | iterate over the symbol tables looking for all | |
3713 | matches in this pspace. */ | |
56d87ef7 PA |
3714 | add_all_symbol_names_from_pspace (&info, pspace, result_names, |
3715 | FUNCTIONS_DOMAIN); | |
f8eba3c6 | 3716 | |
8e8d776e | 3717 | superclass_vec.clear (); |
9b2f8581 | 3718 | last_result_len = result_names.size (); |
4dedf84d | 3719 | ++ix; |
4224873a | 3720 | } |
4224873a | 3721 | } |
f8eba3c6 | 3722 | |
c2a031c5 KS |
3723 | if (!symbols->empty () || !minsyms->empty ()) |
3724 | return; | |
f8eba3c6 | 3725 | |
40e084e1 KS |
3726 | /* Throw an NOT_FOUND_ERROR. This will be caught by the caller |
3727 | and other attempts to locate the symbol will be made. */ | |
3728 | throw_error (NOT_FOUND_ERROR, _("see caller, this text doesn't matter")); | |
f8eba3c6 TT |
3729 | } |
3730 | ||
3731 | \f | |
3732 | ||
ffdbe864 YQ |
3733 | namespace { |
3734 | ||
14bc53a8 PA |
3735 | /* This function object is a callback for iterate_over_symtabs, used |
3736 | when collecting all matching symtabs. */ | |
f8eba3c6 | 3737 | |
14bc53a8 | 3738 | class symtab_collector |
f8eba3c6 | 3739 | { |
14bc53a8 | 3740 | public: |
fc4007c9 | 3741 | symtab_collector () |
fc4007c9 | 3742 | { |
14bc53a8 PA |
3743 | m_symtab_table = htab_create (1, htab_hash_pointer, htab_eq_pointer, |
3744 | NULL); | |
fc4007c9 TT |
3745 | } |
3746 | ||
3747 | ~symtab_collector () | |
3748 | { | |
14bc53a8 PA |
3749 | if (m_symtab_table != NULL) |
3750 | htab_delete (m_symtab_table); | |
fc4007c9 | 3751 | } |
f8eba3c6 | 3752 | |
14bc53a8 PA |
3753 | /* Callable as a symbol_found_callback_ftype callback. */ |
3754 | bool operator () (symtab *sym); | |
f8eba3c6 | 3755 | |
4717cec4 SM |
3756 | /* Return an rvalue reference to the collected symtabs. */ |
3757 | std::vector<symtab *> &&release_symtabs () | |
14bc53a8 | 3758 | { |
2a908241 | 3759 | return std::move (m_symtabs); |
14bc53a8 PA |
3760 | } |
3761 | ||
3762 | private: | |
3763 | /* The result vector of symtabs. */ | |
4717cec4 | 3764 | std::vector<symtab *> m_symtabs; |
14bc53a8 PA |
3765 | |
3766 | /* This is used to ensure the symtabs are unique. */ | |
3767 | htab_t m_symtab_table; | |
3768 | }; | |
3769 | ||
3770 | bool | |
3771 | symtab_collector::operator () (struct symtab *symtab) | |
f8eba3c6 | 3772 | { |
f8eba3c6 TT |
3773 | void **slot; |
3774 | ||
14bc53a8 | 3775 | slot = htab_find_slot (m_symtab_table, symtab, INSERT); |
f8eba3c6 | 3776 | if (!*slot) |
4224873a | 3777 | { |
f8eba3c6 | 3778 | *slot = symtab; |
4717cec4 | 3779 | m_symtabs.push_back (symtab); |
4224873a | 3780 | } |
f8eba3c6 | 3781 | |
14bc53a8 | 3782 | return false; |
4224873a DC |
3783 | } |
3784 | ||
ffdbe864 YQ |
3785 | } // namespace |
3786 | ||
2a908241 | 3787 | /* Given a file name, return a list of all matching symtabs. If |
c2f4122d PA |
3788 | SEARCH_PSPACE is not NULL, the search is restricted to just that |
3789 | program space. */ | |
f8eba3c6 | 3790 | |
4717cec4 | 3791 | static std::vector<symtab *> |
c2f4122d PA |
3792 | collect_symtabs_from_filename (const char *file, |
3793 | struct program_space *search_pspace) | |
f8eba3c6 | 3794 | { |
14bc53a8 | 3795 | symtab_collector collector; |
f8eba3c6 TT |
3796 | |
3797 | /* Find that file's data. */ | |
c2f4122d PA |
3798 | if (search_pspace == NULL) |
3799 | { | |
14bc53a8 PA |
3800 | struct program_space *pspace; |
3801 | ||
c2f4122d PA |
3802 | ALL_PSPACES (pspace) |
3803 | { | |
3804 | if (pspace->executing_startup) | |
3805 | continue; | |
f8eba3c6 | 3806 | |
c2f4122d | 3807 | set_current_program_space (pspace); |
14bc53a8 | 3808 | iterate_over_symtabs (file, collector); |
c2f4122d PA |
3809 | } |
3810 | } | |
3811 | else | |
3812 | { | |
3813 | set_current_program_space (search_pspace); | |
14bc53a8 | 3814 | iterate_over_symtabs (file, collector); |
c2f4122d | 3815 | } |
f3c39e76 | 3816 | |
14bc53a8 | 3817 | return collector.release_symtabs (); |
f8eba3c6 TT |
3818 | } |
3819 | ||
c2f4122d PA |
3820 | /* Return all the symtabs associated to the FILENAME. If SEARCH_PSPACE is |
3821 | not NULL, the search is restricted to just that program space. */ | |
f8eba3c6 | 3822 | |
4717cec4 | 3823 | static std::vector<symtab *> |
c2f4122d PA |
3824 | symtabs_from_filename (const char *filename, |
3825 | struct program_space *search_pspace) | |
40e084e1 | 3826 | { |
4717cec4 | 3827 | std::vector<symtab *> result |
2a908241 | 3828 | = collect_symtabs_from_filename (filename, search_pspace); |
f8eba3c6 | 3829 | |
4717cec4 | 3830 | if (result.empty ()) |
f8eba3c6 | 3831 | { |
40e084e1 KS |
3832 | if (!have_full_symbols () && !have_partial_symbols ()) |
3833 | throw_error (NOT_FOUND_ERROR, | |
3834 | _("No symbol table is loaded. " | |
3835 | "Use the \"file\" command.")); | |
00e52e53 | 3836 | source_file_not_found_error (filename); |
f8eba3c6 TT |
3837 | } |
3838 | ||
40e084e1 | 3839 | return result; |
84fba31b | 3840 | } |
f3c39e76 | 3841 | |
fcaad03c KS |
3842 | /* See symtab.h. */ |
3843 | ||
3844 | void | |
3845 | symbol_searcher::find_all_symbols (const std::string &name, | |
3846 | const struct language_defn *language, | |
3847 | enum search_domain search_domain, | |
3848 | std::vector<symtab *> *search_symtabs, | |
3849 | struct program_space *search_pspace) | |
3850 | { | |
3851 | symbol_searcher_collect_info info; | |
3852 | struct linespec_state state; | |
3853 | ||
3854 | memset (&state, 0, sizeof (state)); | |
3855 | state.language = language; | |
3856 | info.state = &state; | |
3857 | ||
3858 | info.result.symbols = &m_symbols; | |
3859 | info.result.minimal_symbols = &m_minimal_symbols; | |
3860 | std::vector<symtab *> all_symtabs; | |
3861 | if (search_symtabs == nullptr) | |
3862 | { | |
3863 | all_symtabs.push_back (nullptr); | |
3864 | search_symtabs = &all_symtabs; | |
3865 | } | |
3866 | info.file_symtabs = search_symtabs; | |
3867 | ||
3868 | add_matching_symbols_to_info (name.c_str (), symbol_name_match_type::WILD, | |
3869 | search_domain, &info, search_pspace); | |
3870 | } | |
3871 | ||
40e084e1 KS |
3872 | /* Look up a function symbol named NAME in symtabs FILE_SYMTABS. Matching |
3873 | debug symbols are returned in SYMBOLS. Matching minimal symbols are | |
3874 | returned in MINSYMS. */ | |
14e91ac5 | 3875 | |
40e084e1 KS |
3876 | static void |
3877 | find_function_symbols (struct linespec_state *state, | |
2a908241 | 3878 | std::vector<symtab *> *file_symtabs, const char *name, |
a20714ff | 3879 | symbol_name_match_type name_match_type, |
7e41c8db | 3880 | std::vector<block_symbol> *symbols, |
c2a031c5 | 3881 | std::vector<bound_minimal_symbol> *minsyms) |
14e91ac5 | 3882 | { |
40e084e1 | 3883 | struct collect_info info; |
9b2f8581 | 3884 | std::vector<const char *> symbol_names; |
14e91ac5 | 3885 | |
40e084e1 | 3886 | info.state = state; |
7243d011 | 3887 | info.result.symbols = symbols; |
c2a031c5 | 3888 | info.result.minimal_symbols = minsyms; |
40e084e1 | 3889 | info.file_symtabs = file_symtabs; |
e0881a8e | 3890 | |
40e084e1 | 3891 | /* Try NAME as an Objective-C selector. */ |
d7561cbb | 3892 | find_imps (name, &symbol_names); |
9b2f8581 | 3893 | if (!symbol_names.empty ()) |
c2f4122d | 3894 | add_all_symbol_names_from_pspace (&info, state->search_pspace, |
56d87ef7 | 3895 | symbol_names, FUNCTIONS_DOMAIN); |
40e084e1 | 3896 | else |
a20714ff | 3897 | add_matching_symbols_to_info (name, name_match_type, FUNCTIONS_DOMAIN, |
b5ec771e | 3898 | &info, state->search_pspace); |
40e084e1 KS |
3899 | } |
3900 | ||
3901 | /* Find all symbols named NAME in FILE_SYMTABS, returning debug symbols | |
3902 | in SYMBOLS and minimal symbols in MINSYMS. */ | |
14e91ac5 | 3903 | |
b1ae631a | 3904 | static void |
40e084e1 | 3905 | find_linespec_symbols (struct linespec_state *state, |
2a908241 | 3906 | std::vector<symtab *> *file_symtabs, |
b5ec771e | 3907 | const char *lookup_name, |
a20714ff | 3908 | symbol_name_match_type name_match_type, |
7e41c8db | 3909 | std::vector <block_symbol> *symbols, |
c2a031c5 | 3910 | std::vector<bound_minimal_symbol> *minsyms) |
40e084e1 | 3911 | { |
2f408ecb PA |
3912 | std::string canon = cp_canonicalize_string_no_typedefs (lookup_name); |
3913 | if (!canon.empty ()) | |
3914 | lookup_name = canon.c_str (); | |
3915 | ||
cc81e1c6 DE |
3916 | /* It's important to not call expand_symtabs_matching unnecessarily |
3917 | as it can really slow things down (by unnecessarily expanding | |
3918 | potentially 1000s of symtabs, which when debugging some apps can | |
3919 | cost 100s of seconds). Avoid this to some extent by *first* calling | |
3920 | find_function_symbols, and only if that doesn't find anything | |
3921 | *then* call find_method. This handles two important cases: | |
3922 | 1) break (anonymous namespace)::foo | |
3923 | 2) break class::method where method is in class (and not a baseclass) */ | |
14e91ac5 | 3924 | |
cc81e1c6 | 3925 | find_function_symbols (state, file_symtabs, lookup_name, |
7243d011 | 3926 | name_match_type, symbols, minsyms); |
14e91ac5 | 3927 | |
cc81e1c6 DE |
3928 | /* If we were unable to locate a symbol of the same name, try dividing |
3929 | the name into class and method names and searching the class and its | |
3930 | baseclasses. */ | |
c2a031c5 | 3931 | if (symbols->empty () && minsyms->empty ()) |
40e084e1 | 3932 | { |
2f408ecb | 3933 | std::string klass, method; |
cc81e1c6 | 3934 | const char *last, *p, *scope_op; |
14e91ac5 | 3935 | |
cc81e1c6 DE |
3936 | /* See if we can find a scope operator and break this symbol |
3937 | name into namespaces${SCOPE_OPERATOR}class_name and method_name. */ | |
3938 | scope_op = "::"; | |
3939 | p = find_toplevel_string (lookup_name, scope_op); | |
14e91ac5 | 3940 | |
cc81e1c6 DE |
3941 | last = NULL; |
3942 | while (p != NULL) | |
f8eba3c6 | 3943 | { |
cc81e1c6 DE |
3944 | last = p; |
3945 | p = find_toplevel_string (p + strlen (scope_op), scope_op); | |
f8eba3c6 | 3946 | } |
14e91ac5 | 3947 | |
cc81e1c6 DE |
3948 | /* If no scope operator was found, there is nothing more we can do; |
3949 | we already attempted to lookup the entire name as a symbol | |
3950 | and failed. */ | |
3951 | if (last == NULL) | |
2f408ecb | 3952 | return; |
cc81e1c6 DE |
3953 | |
3954 | /* LOOKUP_NAME points to the class name. | |
3955 | LAST points to the method name. */ | |
2f408ecb | 3956 | klass = std::string (lookup_name, last - lookup_name); |
cc81e1c6 DE |
3957 | |
3958 | /* Skip past the scope operator. */ | |
3959 | last += strlen (scope_op); | |
2f408ecb | 3960 | method = last; |
cc81e1c6 DE |
3961 | |
3962 | /* Find a list of classes named KLASS. */ | |
7e41c8db | 3963 | std::vector<block_symbol> classes |
4dedf84d KS |
3964 | = lookup_prefix_sym (state, file_symtabs, klass.c_str ()); |
3965 | if (!classes.empty ()) | |
cc81e1c6 DE |
3966 | { |
3967 | /* Now locate a list of suitable methods named METHOD. */ | |
492d29ea | 3968 | TRY |
cc81e1c6 | 3969 | { |
2f408ecb PA |
3970 | find_method (state, file_symtabs, |
3971 | klass.c_str (), method.c_str (), | |
4dedf84d | 3972 | &classes, symbols, minsyms); |
cc81e1c6 DE |
3973 | } |
3974 | ||
3975 | /* If successful, we're done. If NOT_FOUND_ERROR | |
3976 | was not thrown, rethrow the exception that we did get. */ | |
492d29ea | 3977 | CATCH (except, RETURN_MASK_ERROR) |
7556d4a4 PA |
3978 | { |
3979 | if (except.error != NOT_FOUND_ERROR) | |
3980 | throw_exception (except); | |
3981 | } | |
492d29ea | 3982 | END_CATCH |
cc81e1c6 | 3983 | } |
2f408ecb | 3984 | } |
14e91ac5 DC |
3985 | } |
3986 | ||
a2459270 PA |
3987 | /* Helper for find_label_symbols. Find all labels that match name |
3988 | NAME in BLOCK. Return all labels that match in FUNCTION_SYMBOLS. | |
3989 | Return the actual function symbol in which the label was found in | |
3990 | LABEL_FUNC_RET. If COMPLETION_MODE is true, then NAME is | |
3991 | interpreted as a label name prefix. Otherwise, only a label named | |
3992 | exactly NAME match. */ | |
3993 | ||
3994 | static void | |
3995 | find_label_symbols_in_block (const struct block *block, | |
3996 | const char *name, struct symbol *fn_sym, | |
3997 | bool completion_mode, | |
7e41c8db KS |
3998 | std::vector<block_symbol> *result, |
3999 | std::vector<block_symbol> *label_funcs_ret) | |
a2459270 PA |
4000 | { |
4001 | if (completion_mode) | |
4002 | { | |
4003 | struct block_iterator iter; | |
4004 | struct symbol *sym; | |
4005 | size_t name_len = strlen (name); | |
4006 | ||
4007 | int (*cmp) (const char *, const char *, size_t); | |
4008 | cmp = case_sensitivity == case_sensitive_on ? strncmp : strncasecmp; | |
4009 | ||
4010 | ALL_BLOCK_SYMBOLS (block, iter, sym) | |
4011 | { | |
4012 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), | |
4013 | SYMBOL_DOMAIN (sym), LABEL_DOMAIN) | |
4014 | && cmp (SYMBOL_SEARCH_NAME (sym), name, name_len) == 0) | |
4015 | { | |
7e41c8db KS |
4016 | result->push_back ({sym, block}); |
4017 | label_funcs_ret->push_back ({fn_sym, block}); | |
a2459270 PA |
4018 | } |
4019 | } | |
4020 | } | |
4021 | else | |
4022 | { | |
7e41c8db KS |
4023 | struct block_symbol label_sym |
4024 | = lookup_symbol (name, block, LABEL_DOMAIN, 0); | |
a2459270 | 4025 | |
7e41c8db | 4026 | if (label_sym.symbol != NULL) |
a2459270 | 4027 | { |
7e41c8db KS |
4028 | result->push_back (label_sym); |
4029 | label_funcs_ret->push_back ({fn_sym, block}); | |
a2459270 PA |
4030 | } |
4031 | } | |
4032 | } | |
4033 | ||
3553eadc KS |
4034 | /* Return all labels that match name NAME in FUNCTION_SYMBOLS or NULL |
4035 | if no matches were found. | |
4036 | ||
4037 | Return the actual function symbol in which the label was found in | |
a2459270 PA |
4038 | LABEL_FUNC_RET. If COMPLETION_MODE is true, then NAME is |
4039 | interpreted as a label name prefix. Otherwise, only labels named | |
4040 | exactly NAME match. */ | |
0f5238ed | 4041 | |
7e41c8db KS |
4042 | |
4043 | static std::vector<block_symbol> * | |
40e084e1 | 4044 | find_label_symbols (struct linespec_state *self, |
7e41c8db KS |
4045 | std::vector<block_symbol> *function_symbols, |
4046 | std::vector<block_symbol> *label_funcs_ret, | |
4047 | const char *name, | |
a2459270 | 4048 | bool completion_mode) |
0f5238ed | 4049 | { |
3977b71f | 4050 | const struct block *block; |
40e084e1 | 4051 | struct symbol *fn_sym; |
7e41c8db | 4052 | std::vector<block_symbol> result; |
9ef07c8c | 4053 | |
f8eba3c6 | 4054 | if (function_symbols == NULL) |
9ef07c8c | 4055 | { |
f8eba3c6 | 4056 | set_current_program_space (self->program_space); |
4eeaa230 | 4057 | block = get_current_search_block (); |
f8eba3c6 | 4058 | |
9ef07c8c TT |
4059 | for (; |
4060 | block && !BLOCK_FUNCTION (block); | |
4061 | block = BLOCK_SUPERBLOCK (block)) | |
4062 | ; | |
4063 | if (!block) | |
40e084e1 | 4064 | return NULL; |
f8eba3c6 TT |
4065 | fn_sym = BLOCK_FUNCTION (block); |
4066 | ||
a2459270 PA |
4067 | find_label_symbols_in_block (block, name, fn_sym, completion_mode, |
4068 | &result, label_funcs_ret); | |
40e084e1 KS |
4069 | } |
4070 | else | |
4071 | { | |
7243d011 | 4072 | for (const auto &elt : *function_symbols) |
f8eba3c6 | 4073 | { |
7e41c8db KS |
4074 | fn_sym = elt.symbol; |
4075 | set_current_program_space (SYMTAB_PSPACE (symbol_symtab (fn_sym))); | |
4076 | block = SYMBOL_BLOCK_VALUE (fn_sym); | |
40e084e1 | 4077 | |
7e41c8db | 4078 | find_label_symbols_in_block (block, name, fn_sym, completion_mode, |
a2459270 | 4079 | &result, label_funcs_ret); |
f8eba3c6 | 4080 | } |
40e084e1 | 4081 | } |
f8eba3c6 | 4082 | |
3553eadc | 4083 | if (!result.empty ()) |
7e41c8db | 4084 | return new std::vector<block_symbol> (std::move (result)); |
3553eadc | 4085 | return nullptr; |
40e084e1 | 4086 | } |
f8eba3c6 | 4087 | |
40e084e1 KS |
4088 | \f |
4089 | ||
4090 | /* A helper for create_sals_line_offset that handles the 'list_mode' case. */ | |
4091 | ||
6c5b2ebe | 4092 | static std::vector<symtab_and_line> |
40e084e1 KS |
4093 | decode_digits_list_mode (struct linespec_state *self, |
4094 | linespec_p ls, | |
40e084e1 KS |
4095 | struct symtab_and_line val) |
4096 | { | |
40e084e1 KS |
4097 | gdb_assert (self->list_mode); |
4098 | ||
6c5b2ebe PA |
4099 | std::vector<symtab_and_line> values; |
4100 | ||
2a908241 | 4101 | for (const auto &elt : *ls->file_symtabs) |
40e084e1 KS |
4102 | { |
4103 | /* The logic above should ensure this. */ | |
4104 | gdb_assert (elt != NULL); | |
4105 | ||
4106 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
4107 | ||
4108 | /* Simplistic search just for the list command. */ | |
4109 | val.symtab = find_line_symtab (elt, val.line, NULL, NULL); | |
4110 | if (val.symtab == NULL) | |
4111 | val.symtab = elt; | |
4112 | val.pspace = SYMTAB_PSPACE (elt); | |
4113 | val.pc = 0; | |
4114 | val.explicit_line = 1; | |
4115 | ||
6c5b2ebe | 4116 | add_sal_to_sals (self, &values, &val, NULL, 0); |
f8eba3c6 | 4117 | } |
6c5b2ebe PA |
4118 | |
4119 | return values; | |
40e084e1 | 4120 | } |
f8eba3c6 | 4121 | |
40e084e1 KS |
4122 | /* A helper for create_sals_line_offset that iterates over the symtabs, |
4123 | adding lines to the VEC. */ | |
4124 | ||
6c5b2ebe | 4125 | static std::vector<symtab_and_line> |
40e084e1 KS |
4126 | decode_digits_ordinary (struct linespec_state *self, |
4127 | linespec_p ls, | |
4128 | int line, | |
40e084e1 KS |
4129 | struct linetable_entry **best_entry) |
4130 | { | |
6c5b2ebe | 4131 | std::vector<symtab_and_line> sals; |
2a908241 | 4132 | for (const auto &elt : *ls->file_symtabs) |
f8eba3c6 | 4133 | { |
67d89901 | 4134 | std::vector<CORE_ADDR> pcs; |
40e084e1 KS |
4135 | |
4136 | /* The logic above should ensure this. */ | |
4137 | gdb_assert (elt != NULL); | |
f8eba3c6 | 4138 | |
40e084e1 | 4139 | set_current_program_space (SYMTAB_PSPACE (elt)); |
f8eba3c6 | 4140 | |
40e084e1 | 4141 | pcs = find_pcs_for_symtab_line (elt, line, best_entry); |
67d89901 | 4142 | for (CORE_ADDR pc : pcs) |
f8eba3c6 | 4143 | { |
51abb421 | 4144 | symtab_and_line sal; |
40e084e1 KS |
4145 | sal.pspace = SYMTAB_PSPACE (elt); |
4146 | sal.symtab = elt; | |
4147 | sal.line = line; | |
4148 | sal.pc = pc; | |
6c5b2ebe | 4149 | sals.push_back (std::move (sal)); |
f8eba3c6 TT |
4150 | } |
4151 | } | |
6c5b2ebe PA |
4152 | |
4153 | return sals; | |
40e084e1 KS |
4154 | } |
4155 | ||
4156 | \f | |
4157 | ||
4158 | /* Return the line offset represented by VARIABLE. */ | |
4159 | ||
4160 | static struct line_offset | |
4161 | linespec_parse_variable (struct linespec_state *self, const char *variable) | |
4162 | { | |
4163 | int index = 0; | |
4164 | const char *p; | |
4165 | struct line_offset offset = {0, LINE_OFFSET_NONE}; | |
f8eba3c6 | 4166 | |
40e084e1 KS |
4167 | p = (variable[1] == '$') ? variable + 2 : variable + 1; |
4168 | if (*p == '$') | |
4169 | ++p; | |
4170 | while (*p >= '0' && *p <= '9') | |
4171 | ++p; | |
4172 | if (!*p) /* Reached end of token without hitting non-digit. */ | |
f8eba3c6 | 4173 | { |
40e084e1 KS |
4174 | /* We have a value history reference. */ |
4175 | struct value *val_history; | |
f8eba3c6 | 4176 | |
40e084e1 KS |
4177 | sscanf ((variable[1] == '$') ? variable + 2 : variable + 1, "%d", &index); |
4178 | val_history | |
4179 | = access_value_history ((variable[1] == '$') ? -index : index); | |
4180 | if (TYPE_CODE (value_type (val_history)) != TYPE_CODE_INT) | |
4181 | error (_("History values used in line " | |
4182 | "specs must have integer values.")); | |
4183 | offset.offset = value_as_long (val_history); | |
4184 | } | |
4185 | else | |
4186 | { | |
4187 | /* Not all digits -- may be user variable/function or a | |
4188 | convenience variable. */ | |
4189 | LONGEST valx; | |
4190 | struct internalvar *ivar; | |
4191 | ||
4192 | /* Try it as a convenience variable. If it is not a convenience | |
4193 | variable, return and allow normal symbol lookup to occur. */ | |
4194 | ivar = lookup_only_internalvar (variable + 1); | |
4195 | if (ivar == NULL) | |
4196 | /* No internal variable with that name. Mark the offset | |
4197 | as unknown to allow the name to be looked up as a symbol. */ | |
4198 | offset.sign = LINE_OFFSET_UNKNOWN; | |
4199 | else | |
4200 | { | |
4201 | /* We found a valid variable name. If it is not an integer, | |
4202 | throw an error. */ | |
4203 | if (!get_internalvar_integer (ivar, &valx)) | |
4204 | error (_("Convenience variables used in line " | |
4205 | "specs must have integer values.")); | |
4206 | else | |
4207 | offset.offset = valx; | |
4208 | } | |
f8eba3c6 TT |
4209 | } |
4210 | ||
40e084e1 | 4211 | return offset; |
f8eba3c6 | 4212 | } |
40e084e1 | 4213 | \f |
f8eba3c6 | 4214 | |
40e084e1 | 4215 | /* We've found a minimal symbol MSYMBOL in OBJFILE to associate with our |
6e22494e JK |
4216 | linespec; return the SAL in RESULT. This function should return SALs |
4217 | matching those from find_function_start_sal, otherwise false | |
4218 | multiple-locations breakpoints could be placed. */ | |
f8eba3c6 TT |
4219 | |
4220 | static void | |
4221 | minsym_found (struct linespec_state *self, struct objfile *objfile, | |
4222 | struct minimal_symbol *msymbol, | |
6c5b2ebe | 4223 | std::vector<symtab_and_line> *result) |
f8eba3c6 | 4224 | { |
3467ec66 | 4225 | bool want_start_sal; |
f8eba3c6 | 4226 | |
4024cf2b | 4227 | CORE_ADDR func_addr; |
3467ec66 PA |
4228 | bool is_function = msymbol_is_function (objfile, msymbol, &func_addr); |
4229 | ||
4230 | if (is_function) | |
4231 | { | |
4232 | const char *msym_name = MSYMBOL_LINKAGE_NAME (msymbol); | |
4233 | ||
f50776aa PA |
4234 | if (MSYMBOL_TYPE (msymbol) == mst_text_gnu_ifunc |
4235 | || MSYMBOL_TYPE (msymbol) == mst_data_gnu_ifunc) | |
3467ec66 PA |
4236 | want_start_sal = gnu_ifunc_resolve_name (msym_name, &func_addr); |
4237 | else | |
4238 | want_start_sal = true; | |
4239 | } | |
4240 | ||
4241 | symtab_and_line sal; | |
4242 | ||
4243 | if (is_function && want_start_sal) | |
42ddae10 | 4244 | sal = find_function_start_sal (func_addr, NULL, self->funfirstline); |
e5f25bc5 PA |
4245 | else |
4246 | { | |
4247 | sal.objfile = objfile; | |
3467ec66 PA |
4248 | sal.msymbol = msymbol; |
4249 | /* Store func_addr, not the minsym's address in case this was an | |
4250 | ifunc that hasn't been resolved yet. */ | |
4251 | if (is_function) | |
4252 | sal.pc = func_addr; | |
4253 | else | |
4254 | sal.pc = MSYMBOL_VALUE_ADDRESS (objfile, msymbol); | |
e5f25bc5 | 4255 | sal.pspace = current_program_space; |
6e22494e | 4256 | } |
f8eba3c6 | 4257 | |
6b05c8bd YQ |
4258 | sal.section = MSYMBOL_OBJ_SECTION (objfile, msymbol); |
4259 | ||
07fea4b4 | 4260 | if (maybe_add_address (self->addr_set, objfile->pspace, sal.pc)) |
efd66ac6 | 4261 | add_sal_to_sals (self, result, &sal, MSYMBOL_NATURAL_NAME (msymbol), 0); |
f8eba3c6 TT |
4262 | } |
4263 | ||
39b856a4 TT |
4264 | /* A helper function to classify a minimal_symbol_type according to |
4265 | priority. */ | |
4266 | ||
4267 | static int | |
4268 | classify_mtype (enum minimal_symbol_type t) | |
4269 | { | |
4270 | switch (t) | |
f8eba3c6 | 4271 | { |
39b856a4 TT |
4272 | case mst_file_text: |
4273 | case mst_file_data: | |
4274 | case mst_file_bss: | |
4275 | /* Intermediate priority. */ | |
4276 | return 1; | |
4277 | ||
4278 | case mst_solib_trampoline: | |
4279 | /* Lowest priority. */ | |
4280 | return 2; | |
4281 | ||
4282 | default: | |
4283 | /* Highest priority. */ | |
4284 | return 0; | |
f8eba3c6 | 4285 | } |
39b856a4 TT |
4286 | } |
4287 | ||
41c1efc6 | 4288 | /* Callback for std::sort that sorts symbols by priority. */ |
39b856a4 | 4289 | |
41c1efc6 TT |
4290 | static bool |
4291 | compare_msyms (const bound_minimal_symbol &a, const bound_minimal_symbol &b) | |
39b856a4 | 4292 | { |
41c1efc6 TT |
4293 | enum minimal_symbol_type ta = MSYMBOL_TYPE (a.minsym); |
4294 | enum minimal_symbol_type tb = MSYMBOL_TYPE (b.minsym); | |
39b856a4 | 4295 | |
41c1efc6 | 4296 | return classify_mtype (ta) < classify_mtype (tb); |
39b856a4 TT |
4297 | } |
4298 | ||
41c1efc6 TT |
4299 | /* Helper for search_minsyms_for_name that adds the symbol to the |
4300 | result. */ | |
39b856a4 TT |
4301 | |
4302 | static void | |
41c1efc6 TT |
4303 | add_minsym (struct minimal_symbol *minsym, struct objfile *objfile, |
4304 | struct symtab *symtab, int list_mode, | |
4305 | std::vector<struct bound_minimal_symbol> *msyms) | |
39b856a4 | 4306 | { |
41c1efc6 | 4307 | if (symtab != NULL) |
87186c6a | 4308 | { |
4024cf2b PA |
4309 | /* We're looking for a label for which we don't have debug |
4310 | info. */ | |
4311 | CORE_ADDR func_addr; | |
41c1efc6 | 4312 | if (msymbol_is_function (objfile, minsym, &func_addr)) |
4024cf2b PA |
4313 | { |
4314 | symtab_and_line sal = find_pc_sect_line (func_addr, NULL, 0); | |
87186c6a | 4315 | |
41c1efc6 | 4316 | if (symtab != sal.symtab) |
4024cf2b PA |
4317 | return; |
4318 | } | |
87186c6a MMN |
4319 | } |
4320 | ||
4024cf2b | 4321 | /* Exclude data symbols when looking for breakpoint locations. */ |
41c1efc6 | 4322 | if (!list_mode && !msymbol_is_function (objfile, minsym)) |
4024cf2b | 4323 | return; |
095bcf5e | 4324 | |
41c1efc6 TT |
4325 | struct bound_minimal_symbol mo = {minsym, objfile}; |
4326 | msyms->push_back (mo); | |
ca31ab1d | 4327 | return; |
f8eba3c6 TT |
4328 | } |
4329 | ||
87186c6a | 4330 | /* Search for minimal symbols called NAME. If SEARCH_PSPACE |
f8eba3c6 | 4331 | is not NULL, the search is restricted to just that program |
87186c6a MMN |
4332 | space. |
4333 | ||
4334 | If SYMTAB is NULL, search all objfiles, otherwise | |
4335 | restrict results to the given SYMTAB. */ | |
f8eba3c6 TT |
4336 | |
4337 | static void | |
b5ec771e PA |
4338 | search_minsyms_for_name (struct collect_info *info, |
4339 | const lookup_name_info &name, | |
87186c6a MMN |
4340 | struct program_space *search_pspace, |
4341 | struct symtab *symtab) | |
f8eba3c6 | 4342 | { |
41c1efc6 | 4343 | std::vector<struct bound_minimal_symbol> minsyms; |
f8eba3c6 | 4344 | |
87186c6a MMN |
4345 | if (symtab == NULL) |
4346 | { | |
4347 | struct program_space *pspace; | |
f8eba3c6 | 4348 | |
87186c6a MMN |
4349 | ALL_PSPACES (pspace) |
4350 | { | |
87186c6a MMN |
4351 | if (search_pspace != NULL && search_pspace != pspace) |
4352 | continue; | |
4353 | if (pspace->executing_startup) | |
4354 | continue; | |
39b856a4 | 4355 | |
87186c6a MMN |
4356 | set_current_program_space (pspace); |
4357 | ||
2030c079 | 4358 | for (objfile *objfile : current_program_space->objfiles ()) |
aed57c53 TT |
4359 | { |
4360 | iterate_over_minimal_symbols (objfile, name, | |
4361 | [&] (struct minimal_symbol *msym) | |
41c1efc6 TT |
4362 | { |
4363 | add_minsym (msym, objfile, nullptr, | |
4364 | info->state->list_mode, | |
4365 | &minsyms); | |
ca31ab1d | 4366 | return false; |
41c1efc6 | 4367 | }); |
aed57c53 | 4368 | } |
87186c6a MMN |
4369 | } |
4370 | } | |
4371 | else | |
f8eba3c6 | 4372 | { |
87186c6a MMN |
4373 | if (search_pspace == NULL || SYMTAB_PSPACE (symtab) == search_pspace) |
4374 | { | |
4375 | set_current_program_space (SYMTAB_PSPACE (symtab)); | |
41c1efc6 TT |
4376 | iterate_over_minimal_symbols |
4377 | (SYMTAB_OBJFILE (symtab), name, | |
4378 | [&] (struct minimal_symbol *msym) | |
4379 | { | |
4380 | add_minsym (msym, SYMTAB_OBJFILE (symtab), symtab, | |
4381 | info->state->list_mode, &minsyms); | |
ca31ab1d | 4382 | return false; |
41c1efc6 | 4383 | }); |
87186c6a | 4384 | } |
9ef07c8c | 4385 | } |
39b856a4 | 4386 | |
41c1efc6 TT |
4387 | if (!minsyms.empty ()) |
4388 | { | |
4389 | int classification; | |
39b856a4 | 4390 | |
41c1efc6 | 4391 | std::sort (minsyms.begin (), minsyms.end (), compare_msyms); |
39b856a4 | 4392 | |
41c1efc6 TT |
4393 | /* Now the minsyms are in classification order. So, we walk |
4394 | over them and process just the minsyms with the same | |
4395 | classification as the very first minsym in the list. */ | |
4396 | classification = classify_mtype (MSYMBOL_TYPE (minsyms[0].minsym)); | |
4397 | ||
52941706 | 4398 | for (const bound_minimal_symbol &item : minsyms) |
41c1efc6 TT |
4399 | { |
4400 | if (classify_mtype (MSYMBOL_TYPE (item.minsym)) != classification) | |
4401 | break; | |
4402 | ||
c2a031c5 | 4403 | info->result.minimal_symbols->push_back (item); |
41c1efc6 TT |
4404 | } |
4405 | } | |
f8eba3c6 TT |
4406 | } |
4407 | ||
4408 | /* A helper function to add all symbols matching NAME to INFO. If | |
4409 | PSPACE is not NULL, the search is restricted to just that program | |
4410 | space. */ | |
0f5238ed | 4411 | |
f8eba3c6 TT |
4412 | static void |
4413 | add_matching_symbols_to_info (const char *name, | |
b5ec771e | 4414 | symbol_name_match_type name_match_type, |
56d87ef7 | 4415 | enum search_domain search_domain, |
f8eba3c6 TT |
4416 | struct collect_info *info, |
4417 | struct program_space *pspace) | |
4418 | { | |
b5ec771e PA |
4419 | lookup_name_info lookup_name (name, name_match_type); |
4420 | ||
2a908241 | 4421 | for (const auto &elt : *info->file_symtabs) |
f8eba3c6 | 4422 | { |
2a908241 | 4423 | if (elt == nullptr) |
f8eba3c6 | 4424 | { |
b5ec771e | 4425 | iterate_over_all_matching_symtabs (info->state, lookup_name, |
56d87ef7 | 4426 | VAR_DOMAIN, search_domain, |
7e41c8db KS |
4427 | pspace, true, |
4428 | [&] (block_symbol *bsym) | |
4429 | { return info->add_symbol (bsym); }); | |
b5ec771e | 4430 | search_minsyms_for_name (info, lookup_name, pspace, NULL); |
f8eba3c6 TT |
4431 | } |
4432 | else if (pspace == NULL || pspace == SYMTAB_PSPACE (elt)) | |
4433 | { | |
7243d011 | 4434 | int prev_len = info->result.symbols->size (); |
87186c6a | 4435 | |
f8eba3c6 TT |
4436 | /* Program spaces that are executing startup should have |
4437 | been filtered out earlier. */ | |
4438 | gdb_assert (!SYMTAB_PSPACE (elt)->executing_startup); | |
4439 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
b5ec771e | 4440 | iterate_over_file_blocks (elt, lookup_name, VAR_DOMAIN, |
7e41c8db KS |
4441 | [&] (block_symbol *bsym) |
4442 | { return info->add_symbol (bsym); }); | |
87186c6a MMN |
4443 | |
4444 | /* If no new symbols were found in this iteration and this symtab | |
4445 | is in assembler, we might actually be looking for a label for | |
4446 | which we don't have debug info. Check for a minimal symbol in | |
4447 | this case. */ | |
7243d011 | 4448 | if (prev_len == info->result.symbols->size () |
87186c6a | 4449 | && elt->language == language_asm) |
b5ec771e | 4450 | search_minsyms_for_name (info, lookup_name, pspace, elt); |
f8eba3c6 TT |
4451 | } |
4452 | } | |
0f5238ed TT |
4453 | } |
4454 | ||
14e91ac5 DC |
4455 | \f |
4456 | ||
413dad4d DC |
4457 | /* Now come some functions that are called from multiple places within |
4458 | decode_line_1. */ | |
4459 | ||
f8eba3c6 TT |
4460 | static int |
4461 | symbol_to_sal (struct symtab_and_line *result, | |
4462 | int funfirstline, struct symbol *sym) | |
413dad4d | 4463 | { |
413dad4d | 4464 | if (SYMBOL_CLASS (sym) == LOC_BLOCK) |
50641945 | 4465 | { |
f8eba3c6 TT |
4466 | *result = find_function_start_sal (sym, funfirstline); |
4467 | return 1; | |
50641945 | 4468 | } |
413dad4d DC |
4469 | else |
4470 | { | |
62853458 | 4471 | if (SYMBOL_CLASS (sym) == LOC_LABEL && SYMBOL_VALUE_ADDRESS (sym) != 0) |
413dad4d | 4472 | { |
51abb421 | 4473 | *result = {}; |
08be3fe3 | 4474 | result->symtab = symbol_symtab (sym); |
06871ae8 | 4475 | result->symbol = sym; |
f8eba3c6 TT |
4476 | result->line = SYMBOL_LINE (sym); |
4477 | result->pc = SYMBOL_VALUE_ADDRESS (sym); | |
08be3fe3 | 4478 | result->pspace = SYMTAB_PSPACE (result->symtab); |
f8eba3c6 TT |
4479 | result->explicit_pc = 1; |
4480 | return 1; | |
413dad4d | 4481 | } |
62853458 | 4482 | else if (funfirstline) |
dcf9f4ab | 4483 | { |
f8eba3c6 | 4484 | /* Nothing. */ |
dcf9f4ab | 4485 | } |
62853458 TT |
4486 | else if (SYMBOL_LINE (sym) != 0) |
4487 | { | |
4488 | /* We know its line number. */ | |
51abb421 | 4489 | *result = {}; |
08be3fe3 | 4490 | result->symtab = symbol_symtab (sym); |
06871ae8 | 4491 | result->symbol = sym; |
f8eba3c6 | 4492 | result->line = SYMBOL_LINE (sym); |
e5f25bc5 | 4493 | result->pc = SYMBOL_VALUE_ADDRESS (sym); |
08be3fe3 | 4494 | result->pspace = SYMTAB_PSPACE (result->symtab); |
f8eba3c6 | 4495 | return 1; |
62853458 | 4496 | } |
413dad4d | 4497 | } |
f8eba3c6 TT |
4498 | |
4499 | return 0; | |
413dad4d | 4500 | } |
50641945 | 4501 | |
16e802b9 | 4502 | linespec_result::~linespec_result () |
f8eba3c6 | 4503 | { |
6c5b2ebe PA |
4504 | for (linespec_sals &lsal : lsals) |
4505 | xfree (lsal.canonical); | |
7efd8fc2 | 4506 | } |
87f0e720 KS |
4507 | |
4508 | /* Return the quote characters permitted by the linespec parser. */ | |
4509 | ||
4510 | const char * | |
4511 | get_gdb_linespec_parser_quote_characters (void) | |
4512 | { | |
4513 | return linespec_quote_characters; | |
4514 | } |