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50641945 | 1 | /* Parser for linespec for the GNU debugger, GDB. |
05ff989b | 2 | |
213516ef | 3 | Copyright (C) 1986-2023 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" |
268a13a5 TT |
47 | #include "gdbsupport/function-view.h" |
48 | #include "gdbsupport/def-vector.h" | |
41c1efc6 | 49 | #include <algorithm> |
328d42d8 | 50 | #include "inferior.h" |
f8eba3c6 | 51 | |
c45ec17c PA |
52 | /* An enumeration of the various things a user might attempt to |
53 | complete for a linespec location. */ | |
54 | ||
55 | enum class linespec_complete_what | |
56 | { | |
57 | /* Nothing, no possible completion. */ | |
58 | NOTHING, | |
59 | ||
60 | /* A function/method name. Due to ambiguity between | |
61 | ||
62 | (gdb) b source[TAB] | |
63 | source_file.c | |
64 | source_function | |
65 | ||
66 | this can also indicate a source filename, iff we haven't seen a | |
67 | separate source filename component, as in "b source.c:function". */ | |
68 | FUNCTION, | |
69 | ||
70 | /* A label symbol. E.g., break file.c:function:LABEL. */ | |
71 | LABEL, | |
72 | ||
73 | /* An expression. E.g., "break foo if EXPR", or "break *EXPR". */ | |
74 | EXPRESSION, | |
75 | ||
733d554a | 76 | /* A linespec keyword ("if"/"thread"/"task"/"-force-condition"). |
c45ec17c PA |
77 | E.g., "break func threa<tab>". */ |
78 | KEYWORD, | |
79 | }; | |
80 | ||
f8eba3c6 TT |
81 | /* An address entry is used to ensure that any given location is only |
82 | added to the result a single time. It holds an address and the | |
83 | program space from which the address came. */ | |
84 | ||
85 | struct address_entry | |
86 | { | |
87 | struct program_space *pspace; | |
88 | CORE_ADDR addr; | |
89 | }; | |
90 | ||
40e084e1 KS |
91 | /* A linespec. Elements of this structure are filled in by a parser |
92 | (either parse_linespec or some other function). The structure is | |
93 | then converted into SALs by convert_linespec_to_sals. */ | |
94 | ||
95 | struct linespec | |
96 | { | |
40d97ee2 PA |
97 | /* An explicit location spec describing the SaLs. */ |
98 | explicit_location_spec explicit_loc; | |
40e084e1 | 99 | |
28a0d291 SM |
100 | /* The list of symtabs to search to which to limit the search. |
101 | ||
102 | If explicit.SOURCE_FILENAME is NULL (no user-specified filename), | |
103 | FILE_SYMTABS should contain one single NULL member. This will cause the | |
104 | code to use the default symtab. */ | |
105 | std::vector<symtab *> file_symtabs; | |
40e084e1 | 106 | |
40e084e1 | 107 | /* A list of matching function symbols and minimal symbols. Both lists |
28a0d291 SM |
108 | may be empty if no matching symbols were found. */ |
109 | std::vector<block_symbol> function_symbols; | |
110 | std::vector<bound_minimal_symbol> minimal_symbols; | |
40e084e1 | 111 | |
40e084e1 | 112 | /* A structure of matching label symbols and the corresponding |
28a0d291 SM |
113 | function symbol in which the label was found. Both may be empty |
114 | or both must be non-empty. */ | |
40e084e1 KS |
115 | struct |
116 | { | |
28a0d291 SM |
117 | std::vector<block_symbol> label_symbols; |
118 | std::vector<block_symbol> function_symbols; | |
40e084e1 | 119 | } labels; |
40e084e1 | 120 | }; |
40e084e1 | 121 | |
33f448b1 JK |
122 | /* A canonical linespec represented as a symtab-related string. |
123 | ||
124 | Each entry represents the "SYMTAB:SUFFIX" linespec string. | |
125 | SYMTAB can be converted for example by symtab_to_fullname or | |
126 | symtab_to_filename_for_display as needed. */ | |
127 | ||
128 | struct linespec_canonical_name | |
129 | { | |
130 | /* Remaining text part of the linespec string. */ | |
131 | char *suffix; | |
132 | ||
133 | /* If NULL then SUFFIX is the whole linespec string. */ | |
134 | struct symtab *symtab; | |
135 | }; | |
136 | ||
f8eba3c6 TT |
137 | /* An instance of this is used to keep all state while linespec |
138 | operates. This instance is passed around as a 'this' pointer to | |
139 | the various implementation methods. */ | |
140 | ||
141 | struct linespec_state | |
142 | { | |
40e084e1 KS |
143 | /* The language in use during linespec processing. */ |
144 | const struct language_defn *language; | |
145 | ||
f8eba3c6 TT |
146 | /* The program space as seen when the module was entered. */ |
147 | struct program_space *program_space; | |
148 | ||
c2f4122d PA |
149 | /* If not NULL, the search is restricted to just this program |
150 | space. */ | |
151 | struct program_space *search_pspace; | |
152 | ||
f8eba3c6 TT |
153 | /* The default symtab to use, if no other symtab is specified. */ |
154 | struct symtab *default_symtab; | |
155 | ||
156 | /* The default line to use. */ | |
157 | int default_line; | |
158 | ||
f8eba3c6 TT |
159 | /* The 'funfirstline' value that was passed in to decode_line_1 or |
160 | decode_line_full. */ | |
161 | int funfirstline; | |
162 | ||
163 | /* Nonzero if we are running in 'list' mode; see decode_line_list. */ | |
164 | int list_mode; | |
165 | ||
166 | /* The 'canonical' value passed to decode_line_full, or NULL. */ | |
167 | struct linespec_result *canonical; | |
168 | ||
6c5b2ebe | 169 | /* Canonical strings that mirror the std::vector<symtab_and_line> result. */ |
33f448b1 | 170 | struct linespec_canonical_name *canonical_names; |
f8eba3c6 TT |
171 | |
172 | /* This is a set of address_entry objects which is used to prevent | |
173 | duplicate symbols from being entered into the result. */ | |
174 | htab_t addr_set; | |
00e52e53 KS |
175 | |
176 | /* Are we building a linespec? */ | |
177 | int is_linespec; | |
f8eba3c6 TT |
178 | }; |
179 | ||
180 | /* This is a helper object that is used when collecting symbols into a | |
181 | result. */ | |
182 | ||
183 | struct collect_info | |
184 | { | |
185 | /* The linespec object in use. */ | |
186 | struct linespec_state *state; | |
187 | ||
40e084e1 | 188 | /* A list of symtabs to which to restrict matches. */ |
28a0d291 | 189 | const std::vector<symtab *> *file_symtabs; |
40e084e1 | 190 | |
f8eba3c6 | 191 | /* The result being accumulated. */ |
40e084e1 KS |
192 | struct |
193 | { | |
7e41c8db | 194 | std::vector<block_symbol> *symbols; |
c2a031c5 | 195 | std::vector<bound_minimal_symbol> *minimal_symbols; |
40e084e1 | 196 | } result; |
14bc53a8 PA |
197 | |
198 | /* Possibly add a symbol to the results. */ | |
fcaad03c | 199 | virtual bool add_symbol (block_symbol *bsym); |
f8eba3c6 | 200 | }; |
50641945 | 201 | |
14bc53a8 | 202 | bool |
7e41c8db | 203 | collect_info::add_symbol (block_symbol *bsym) |
14bc53a8 PA |
204 | { |
205 | /* In list mode, add all matching symbols, regardless of class. | |
206 | This allows the user to type "list a_global_variable". */ | |
66d7f48f | 207 | if (bsym->symbol->aclass () == LOC_BLOCK || this->state->list_mode) |
7e41c8db | 208 | this->result.symbols->push_back (*bsym); |
14bc53a8 PA |
209 | |
210 | /* Continue iterating. */ | |
211 | return true; | |
212 | } | |
213 | ||
fcaad03c KS |
214 | /* Custom collect_info for symbol_searcher. */ |
215 | ||
216 | struct symbol_searcher_collect_info | |
217 | : collect_info | |
218 | { | |
219 | bool add_symbol (block_symbol *bsym) override | |
220 | { | |
221 | /* Add everything. */ | |
222 | this->result.symbols->push_back (*bsym); | |
223 | ||
224 | /* Continue iterating. */ | |
225 | return true; | |
226 | } | |
227 | }; | |
228 | ||
40e084e1 | 229 | /* Token types */ |
50641945 | 230 | |
0d1703b8 | 231 | enum linespec_token_type |
40e084e1 KS |
232 | { |
233 | /* A keyword */ | |
234 | LSTOKEN_KEYWORD = 0, | |
44fe14ab | 235 | |
40e084e1 KS |
236 | /* A colon "separator" */ |
237 | LSTOKEN_COLON, | |
44fe14ab | 238 | |
40e084e1 KS |
239 | /* A string */ |
240 | LSTOKEN_STRING, | |
0960f083 | 241 | |
40e084e1 KS |
242 | /* A number */ |
243 | LSTOKEN_NUMBER, | |
244 | ||
245 | /* A comma */ | |
246 | LSTOKEN_COMMA, | |
247 | ||
248 | /* EOI (end of input) */ | |
249 | LSTOKEN_EOI, | |
250 | ||
251 | /* Consumed token */ | |
252 | LSTOKEN_CONSUMED | |
253 | }; | |
40e084e1 | 254 | |
c6756f62 PA |
255 | /* List of keywords. This is NULL-terminated so that it can be used |
256 | as enum completer. */ | |
733d554a | 257 | const char * const linespec_keywords[] = { "if", "thread", "task", "-force-condition", NULL }; |
0578b14e | 258 | #define IF_KEYWORD_INDEX 0 |
733d554a | 259 | #define FORCE_KEYWORD_INDEX 3 |
40e084e1 KS |
260 | |
261 | /* A token of the linespec lexer */ | |
262 | ||
f99b5177 | 263 | struct linespec_token |
40e084e1 KS |
264 | { |
265 | /* The type of the token */ | |
266 | linespec_token_type type; | |
267 | ||
268 | /* Data for the token */ | |
269 | union | |
270 | { | |
271 | /* A string, given as a stoken */ | |
272 | struct stoken string; | |
273 | ||
274 | /* A keyword */ | |
275 | const char *keyword; | |
276 | } data; | |
277 | }; | |
40e084e1 KS |
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. */ |
28a0d291 | 318 | 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 | |
40d97ee2 PA |
345 | /* A convenience macro for accessing the explicit location spec result |
346 | of 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 | 361 | static std::vector<symtab_and_line> decode_objc (struct linespec_state *self, |
1487a14e | 362 | linespec *ls, |
6c5b2ebe | 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 | |
28a0d291 SM |
368 | static std::vector<block_symbol> find_label_symbols |
369 | (struct linespec_state *self, | |
370 | const std::vector<block_symbol> &function_symbols, | |
371 | std::vector<block_symbol> *label_funcs_ret, | |
372 | const char *name, bool completion_mode = false); | |
50641945 | 373 | |
b1ae631a | 374 | static void find_linespec_symbols (struct linespec_state *self, |
28a0d291 | 375 | const std::vector<symtab *> &file_symtabs, |
b1ae631a | 376 | const char *name, |
a20714ff | 377 | symbol_name_match_type name_match_type, |
7e41c8db | 378 | std::vector<block_symbol> *symbols, |
c2a031c5 | 379 | std::vector<bound_minimal_symbol> *minsyms); |
f8eba3c6 | 380 | |
40e084e1 KS |
381 | static struct line_offset |
382 | linespec_parse_variable (struct linespec_state *self, | |
383 | const char *variable); | |
889f28e2 | 384 | |
f8eba3c6 TT |
385 | static int symbol_to_sal (struct symtab_and_line *result, |
386 | int funfirstline, struct symbol *sym); | |
50641945 | 387 | |
f8eba3c6 | 388 | static void add_matching_symbols_to_info (const char *name, |
b5ec771e | 389 | symbol_name_match_type name_match_type, |
56d87ef7 | 390 | enum search_domain search_domain, |
f8eba3c6 TT |
391 | struct collect_info *info, |
392 | struct program_space *pspace); | |
f3c39e76 | 393 | |
9b2f8581 TT |
394 | static void add_all_symbol_names_from_pspace |
395 | (struct collect_info *info, struct program_space *pspace, | |
396 | const std::vector<const char *> &names, enum search_domain search_domain); | |
9ef07c8c | 397 | |
4717cec4 | 398 | static std::vector<symtab *> |
c2f4122d PA |
399 | collect_symtabs_from_filename (const char *file, |
400 | struct program_space *pspace); | |
84fba31b | 401 | |
6c5b2ebe PA |
402 | static std::vector<symtab_and_line> decode_digits_ordinary |
403 | (struct linespec_state *self, | |
1487a14e | 404 | linespec *ls, |
6c5b2ebe PA |
405 | int line, |
406 | linetable_entry **best_entry); | |
14e91ac5 | 407 | |
6c5b2ebe PA |
408 | static std::vector<symtab_and_line> decode_digits_list_mode |
409 | (struct linespec_state *self, | |
1487a14e | 410 | linespec *ls, |
6c5b2ebe | 411 | struct symtab_and_line val); |
0f5238ed | 412 | |
40e084e1 KS |
413 | static void minsym_found (struct linespec_state *self, struct objfile *objfile, |
414 | struct minimal_symbol *msymbol, | |
6c5b2ebe | 415 | std::vector<symtab_and_line> *result); |
bca02a8a | 416 | |
7e41c8db | 417 | static bool compare_symbols (const block_symbol &a, const block_symbol &b); |
413dad4d | 418 | |
c2a031c5 KS |
419 | static bool compare_msymbols (const bound_minimal_symbol &a, |
420 | const bound_minimal_symbol &b); | |
413dad4d | 421 | |
40e084e1 KS |
422 | /* Permitted quote characters for the parser. This is different from the |
423 | completer's quote characters to allow backward compatibility with the | |
424 | previous parser. */ | |
db92ac45 | 425 | static const char linespec_quote_characters[] = "\"\'"; |
f8eba3c6 | 426 | |
40e084e1 KS |
427 | /* Lexer functions. */ |
428 | ||
429 | /* Lex a number from the input in PARSER. This only supports | |
dd3818c8 KS |
430 | decimal numbers. |
431 | ||
d7cbec71 | 432 | Return true if input is decimal numbers. Return false if not. */ |
40e084e1 | 433 | |
d7cbec71 HZ |
434 | static int |
435 | linespec_lexer_lex_number (linespec_parser *parser, linespec_token *tokenp) | |
40e084e1 | 436 | { |
d7cbec71 HZ |
437 | tokenp->type = LSTOKEN_NUMBER; |
438 | LS_TOKEN_STOKEN (*tokenp).length = 0; | |
439 | LS_TOKEN_STOKEN (*tokenp).ptr = PARSER_STREAM (parser); | |
40e084e1 KS |
440 | |
441 | /* Keep any sign at the start of the stream. */ | |
442 | if (*PARSER_STREAM (parser) == '+' || *PARSER_STREAM (parser) == '-') | |
443 | { | |
d7cbec71 | 444 | ++LS_TOKEN_STOKEN (*tokenp).length; |
40e084e1 KS |
445 | ++(PARSER_STREAM (parser)); |
446 | } | |
447 | ||
448 | while (isdigit (*PARSER_STREAM (parser))) | |
449 | { | |
d7cbec71 | 450 | ++LS_TOKEN_STOKEN (*tokenp).length; |
40e084e1 | 451 | ++(PARSER_STREAM (parser)); |
f8eba3c6 | 452 | } |
40e084e1 | 453 | |
dd3818c8 | 454 | /* If the next character in the input buffer is not a space, comma, |
eff9c3e6 | 455 | quote, or colon, this input does not represent a number. */ |
dd3818c8 KS |
456 | if (*PARSER_STREAM (parser) != '\0' |
457 | && !isspace (*PARSER_STREAM (parser)) && *PARSER_STREAM (parser) != ',' | |
eff9c3e6 KS |
458 | && *PARSER_STREAM (parser) != ':' |
459 | && !strchr (linespec_quote_characters, *PARSER_STREAM (parser))) | |
d7cbec71 HZ |
460 | { |
461 | PARSER_STREAM (parser) = LS_TOKEN_STOKEN (*tokenp).ptr; | |
462 | return 0; | |
463 | } | |
464 | ||
465 | return 1; | |
f8eba3c6 TT |
466 | } |
467 | ||
32b40af9 | 468 | /* See linespec.h. */ |
f8eba3c6 | 469 | |
0578b14e | 470 | const char * |
40e084e1 | 471 | linespec_lexer_lex_keyword (const char *p) |
f8eba3c6 | 472 | { |
40e084e1 | 473 | int i; |
f8eba3c6 | 474 | |
40e084e1 KS |
475 | if (p != NULL) |
476 | { | |
c6756f62 | 477 | for (i = 0; linespec_keywords[i] != NULL; ++i) |
40e084e1 KS |
478 | { |
479 | int len = strlen (linespec_keywords[i]); | |
480 | ||
5759831a TBA |
481 | /* If P begins with |
482 | ||
483 | - "thread" or "task" and the next character is | |
484 | whitespace, we may have found a keyword. It is only a | |
485 | keyword if it is not followed by another keyword. | |
486 | ||
487 | - "-force-condition", the next character may be EOF | |
488 | since this keyword does not take any arguments. Otherwise, | |
489 | it should be followed by a keyword. | |
490 | ||
491 | - "if", ALWAYS stop the lexer, since it is not possible to | |
492 | predict what is going to appear in the condition, which can | |
493 | only be parsed after SaLs have been found. */ | |
494 | if (strncmp (p, linespec_keywords[i], len) == 0) | |
0578b14e KS |
495 | { |
496 | int j; | |
497 | ||
5759831a TBA |
498 | if (i == FORCE_KEYWORD_INDEX && p[len] == '\0') |
499 | return linespec_keywords[i]; | |
500 | ||
501 | if (!isspace (p[len])) | |
502 | continue; | |
503 | ||
733d554a TBA |
504 | if (i == FORCE_KEYWORD_INDEX) |
505 | { | |
506 | p += len; | |
507 | p = skip_spaces (p); | |
5759831a TBA |
508 | for (j = 0; linespec_keywords[j] != NULL; ++j) |
509 | { | |
510 | int nextlen = strlen (linespec_keywords[j]); | |
733d554a | 511 | |
5759831a TBA |
512 | if (strncmp (p, linespec_keywords[j], nextlen) == 0 |
513 | && isspace (p[nextlen])) | |
514 | return linespec_keywords[i]; | |
515 | } | |
516 | } | |
733d554a | 517 | else if (i != IF_KEYWORD_INDEX) |
0578b14e | 518 | { |
5759831a | 519 | /* We matched a "thread" or "task". */ |
0578b14e | 520 | p += len; |
f1735a53 | 521 | p = skip_spaces (p); |
c6756f62 | 522 | for (j = 0; linespec_keywords[j] != NULL; ++j) |
0578b14e KS |
523 | { |
524 | int nextlen = strlen (linespec_keywords[j]); | |
525 | ||
526 | if (strncmp (p, linespec_keywords[j], nextlen) == 0 | |
527 | && isspace (p[nextlen])) | |
528 | return NULL; | |
529 | } | |
530 | } | |
531 | ||
532 | return linespec_keywords[i]; | |
533 | } | |
40e084e1 KS |
534 | } |
535 | } | |
536 | ||
537 | return NULL; | |
f8eba3c6 TT |
538 | } |
539 | ||
87f0e720 | 540 | /* See description in linespec.h. */ |
f8eba3c6 | 541 | |
87f0e720 | 542 | int |
40e084e1 | 543 | is_ada_operator (const char *string) |
f8eba3c6 | 544 | { |
40e084e1 | 545 | const struct ada_opname_map *mapping; |
f8eba3c6 | 546 | |
40e084e1 KS |
547 | for (mapping = ada_opname_table; |
548 | mapping->encoded != NULL | |
61012eef | 549 | && !startswith (string, mapping->decoded); ++mapping) |
40e084e1 KS |
550 | ; |
551 | ||
552 | return mapping->decoded == NULL ? 0 : strlen (mapping->decoded); | |
f8eba3c6 TT |
553 | } |
554 | ||
40e084e1 KS |
555 | /* Find QUOTE_CHAR in STRING, accounting for the ':' terminal. Return |
556 | the location of QUOTE_CHAR, or NULL if not found. */ | |
f8eba3c6 | 557 | |
40e084e1 KS |
558 | static const char * |
559 | skip_quote_char (const char *string, char quote_char) | |
f8eba3c6 | 560 | { |
40e084e1 | 561 | const char *p, *last; |
f8eba3c6 | 562 | |
40e084e1 KS |
563 | p = last = find_toplevel_char (string, quote_char); |
564 | while (p && *p != '\0' && *p != ':') | |
565 | { | |
566 | p = find_toplevel_char (p, quote_char); | |
567 | if (p != NULL) | |
568 | last = p++; | |
569 | } | |
f8eba3c6 | 570 | |
40e084e1 | 571 | return last; |
f8eba3c6 | 572 | } |
50641945 | 573 | |
40e084e1 KS |
574 | /* Make a writable copy of the string given in TOKEN, trimming |
575 | any trailing whitespace. */ | |
50641945 | 576 | |
a5b5adf5 | 577 | static gdb::unique_xmalloc_ptr<char> |
40e084e1 | 578 | copy_token_string (linespec_token token) |
50641945 | 579 | { |
a5b5adf5 | 580 | const char *str, *s; |
e0881a8e | 581 | |
40e084e1 | 582 | if (token.type == LSTOKEN_KEYWORD) |
b02f78f9 | 583 | return make_unique_xstrdup (LS_TOKEN_KEYWORD (token)); |
255e7dbf | 584 | |
a5b5adf5 | 585 | str = LS_TOKEN_STOKEN (token).ptr; |
40e084e1 | 586 | s = remove_trailing_whitespace (str, str + LS_TOKEN_STOKEN (token).length); |
e0881a8e | 587 | |
a5b5adf5 | 588 | return gdb::unique_xmalloc_ptr<char> (savestring (str, s - str)); |
40e084e1 | 589 | } |
255e7dbf | 590 | |
40e084e1 | 591 | /* Does P represent the end of a quote-enclosed linespec? */ |
f3a5f1de | 592 | |
40e084e1 KS |
593 | static int |
594 | is_closing_quote_enclosed (const char *p) | |
595 | { | |
596 | if (strchr (linespec_quote_characters, *p)) | |
597 | ++p; | |
598 | p = skip_spaces ((char *) p); | |
599 | return (*p == '\0' || linespec_lexer_lex_keyword (p)); | |
50641945 FN |
600 | } |
601 | ||
40e084e1 KS |
602 | /* Find the end of the parameter list that starts with *INPUT. |
603 | This helper function assists with lexing string segments | |
604 | which might contain valid (non-terminating) commas. */ | |
481860b3 | 605 | |
d7561cbb KS |
606 | static const char * |
607 | find_parameter_list_end (const char *input) | |
481860b3 | 608 | { |
40e084e1 KS |
609 | char end_char, start_char; |
610 | int depth; | |
d7561cbb | 611 | const char *p; |
481860b3 | 612 | |
40e084e1 KS |
613 | start_char = *input; |
614 | if (start_char == '(') | |
615 | end_char = ')'; | |
616 | else if (start_char == '<') | |
617 | end_char = '>'; | |
618 | else | |
619 | return NULL; | |
481860b3 | 620 | |
40e084e1 KS |
621 | p = input; |
622 | depth = 0; | |
623 | while (*p) | |
481860b3 | 624 | { |
40e084e1 KS |
625 | if (*p == start_char) |
626 | ++depth; | |
627 | else if (*p == end_char) | |
628 | { | |
629 | if (--depth == 0) | |
630 | { | |
631 | ++p; | |
632 | break; | |
633 | } | |
634 | } | |
635 | ++p; | |
481860b3 | 636 | } |
40e084e1 KS |
637 | |
638 | return p; | |
481860b3 GB |
639 | } |
640 | ||
c45ec17c PA |
641 | /* If the [STRING, STRING_LEN) string ends with what looks like a |
642 | keyword, return the keyword start offset in STRING. Return -1 | |
643 | otherwise. */ | |
644 | ||
645 | static size_t | |
646 | string_find_incomplete_keyword_at_end (const char * const *keywords, | |
647 | const char *string, size_t string_len) | |
648 | { | |
649 | const char *end = string + string_len; | |
650 | const char *p = end; | |
651 | ||
652 | while (p > string && *p != ' ') | |
653 | --p; | |
654 | if (p > string) | |
655 | { | |
656 | p++; | |
657 | size_t len = end - p; | |
658 | for (size_t i = 0; keywords[i] != NULL; ++i) | |
659 | if (strncmp (keywords[i], p, len) == 0) | |
660 | return p - string; | |
661 | } | |
662 | ||
663 | return -1; | |
664 | } | |
74ccd7f5 | 665 | |
40e084e1 KS |
666 | /* Lex a string from the input in PARSER. */ |
667 | ||
668 | static linespec_token | |
669 | linespec_lexer_lex_string (linespec_parser *parser) | |
74ccd7f5 | 670 | { |
40e084e1 | 671 | linespec_token token; |
d7561cbb | 672 | const char *start = PARSER_STREAM (parser); |
74ccd7f5 | 673 | |
40e084e1 | 674 | token.type = LSTOKEN_STRING; |
74ccd7f5 | 675 | |
40e084e1 KS |
676 | /* If the input stream starts with a quote character, skip to the next |
677 | quote character, regardless of the content. */ | |
678 | if (strchr (linespec_quote_characters, *PARSER_STREAM (parser))) | |
679 | { | |
680 | const char *end; | |
681 | char quote_char = *PARSER_STREAM (parser); | |
50641945 | 682 | |
40e084e1 KS |
683 | /* Special case: Ada operators. */ |
684 | if (PARSER_STATE (parser)->language->la_language == language_ada | |
685 | && quote_char == '\"') | |
686 | { | |
687 | int len = is_ada_operator (PARSER_STREAM (parser)); | |
50641945 | 688 | |
40e084e1 KS |
689 | if (len != 0) |
690 | { | |
691 | /* The input is an Ada operator. Return the quoted string | |
692 | as-is. */ | |
693 | LS_TOKEN_STOKEN (token).ptr = PARSER_STREAM (parser); | |
694 | LS_TOKEN_STOKEN (token).length = len; | |
695 | PARSER_STREAM (parser) += len; | |
696 | return token; | |
697 | } | |
f8eba3c6 | 698 | |
40e084e1 KS |
699 | /* The input does not represent an Ada operator -- fall through |
700 | to normal quoted string handling. */ | |
701 | } | |
f8eba3c6 | 702 | |
40e084e1 KS |
703 | /* Skip past the beginning quote. */ |
704 | ++(PARSER_STREAM (parser)); | |
74ccd7f5 | 705 | |
40e084e1 KS |
706 | /* Mark the start of the string. */ |
707 | LS_TOKEN_STOKEN (token).ptr = PARSER_STREAM (parser); | |
f8eba3c6 | 708 | |
40e084e1 KS |
709 | /* Skip to the ending quote. */ |
710 | end = skip_quote_char (PARSER_STREAM (parser), quote_char); | |
711 | ||
c45ec17c PA |
712 | /* This helps the completer mode decide whether we have a |
713 | complete string. */ | |
714 | parser->completion_quote_char = quote_char; | |
715 | parser->completion_quote_end = end; | |
40e084e1 | 716 | |
c45ec17c PA |
717 | /* Error if the input did not terminate properly, unless in |
718 | completion mode. */ | |
719 | if (end == NULL) | |
720 | { | |
721 | if (parser->completion_tracker == NULL) | |
722 | error (_("unmatched quote")); | |
723 | ||
724 | /* In completion mode, we'll try to complete the incomplete | |
725 | token. */ | |
726 | token.type = LSTOKEN_STRING; | |
727 | while (*PARSER_STREAM (parser) != '\0') | |
728 | PARSER_STREAM (parser)++; | |
729 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 1 - start; | |
730 | } | |
731 | else | |
732 | { | |
733 | /* Skip over the ending quote and mark the length of the string. */ | |
734 | PARSER_STREAM (parser) = (char *) ++end; | |
735 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 2 - start; | |
736 | } | |
40e084e1 KS |
737 | } |
738 | else | |
739 | { | |
d7561cbb | 740 | const char *p; |
40e084e1 KS |
741 | |
742 | /* Otherwise, only identifier characters are permitted. | |
743 | Spaces are the exception. In general, we keep spaces, | |
744 | but only if the next characters in the input do not resolve | |
745 | to one of the keywords. | |
746 | ||
747 | This allows users to forgo quoting CV-qualifiers, template arguments, | |
748 | and similar common language constructs. */ | |
749 | ||
750 | while (1) | |
751 | { | |
752 | if (isspace (*PARSER_STREAM (parser))) | |
753 | { | |
f1735a53 | 754 | p = skip_spaces (PARSER_STREAM (parser)); |
7c09e5a0 DE |
755 | /* When we get here we know we've found something followed by |
756 | a space (we skip over parens and templates below). | |
757 | So if we find a keyword now, we know it is a keyword and not, | |
758 | say, a function name. */ | |
40e084e1 KS |
759 | if (linespec_lexer_lex_keyword (p) != NULL) |
760 | { | |
761 | LS_TOKEN_STOKEN (token).ptr = start; | |
762 | LS_TOKEN_STOKEN (token).length | |
763 | = PARSER_STREAM (parser) - start; | |
764 | return token; | |
765 | } | |
766 | ||
767 | /* Advance past the whitespace. */ | |
768 | PARSER_STREAM (parser) = p; | |
769 | } | |
770 | ||
771 | /* If the next character is EOI or (single) ':', the | |
772 | string is complete; return the token. */ | |
773 | if (*PARSER_STREAM (parser) == 0) | |
774 | { | |
775 | LS_TOKEN_STOKEN (token).ptr = start; | |
776 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
777 | return token; | |
778 | } | |
779 | else if (PARSER_STREAM (parser)[0] == ':') | |
780 | { | |
781 | /* Do not tokenize the C++ scope operator. */ | |
782 | if (PARSER_STREAM (parser)[1] == ':') | |
783 | ++(PARSER_STREAM (parser)); | |
784 | ||
bd69330d PA |
785 | /* Do not tokenize ABI tags such as "[abi:cxx11]". */ |
786 | else if (PARSER_STREAM (parser) - start > 4 | |
787 | && startswith (PARSER_STREAM (parser) - 4, "[abi")) | |
f19e22e9 TV |
788 | { |
789 | /* Nothing. */ | |
790 | } | |
bd69330d | 791 | |
40e084e1 KS |
792 | /* Do not tokenify if the input length so far is one |
793 | (i.e, a single-letter drive name) and the next character | |
794 | is a directory separator. This allows Windows-style | |
795 | paths to be recognized as filenames without quoting it. */ | |
796 | else if ((PARSER_STREAM (parser) - start) != 1 | |
797 | || !IS_DIR_SEPARATOR (PARSER_STREAM (parser)[1])) | |
798 | { | |
799 | LS_TOKEN_STOKEN (token).ptr = start; | |
800 | LS_TOKEN_STOKEN (token).length | |
801 | = PARSER_STREAM (parser) - start; | |
802 | return token; | |
803 | } | |
804 | } | |
805 | /* Special case: permit quote-enclosed linespecs. */ | |
806 | else if (parser->is_quote_enclosed | |
807 | && strchr (linespec_quote_characters, | |
808 | *PARSER_STREAM (parser)) | |
809 | && is_closing_quote_enclosed (PARSER_STREAM (parser))) | |
810 | { | |
811 | LS_TOKEN_STOKEN (token).ptr = start; | |
812 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
813 | return token; | |
814 | } | |
815 | /* Because commas may terminate a linespec and appear in | |
816 | the middle of valid string input, special cases for | |
817 | '<' and '(' are necessary. */ | |
818 | else if (*PARSER_STREAM (parser) == '<' | |
819 | || *PARSER_STREAM (parser) == '(') | |
820 | { | |
be966d42 PA |
821 | /* Don't interpret 'operator<' / 'operator<<' as a |
822 | template parameter list though. */ | |
823 | if (*PARSER_STREAM (parser) == '<' | |
824 | && (PARSER_STATE (parser)->language->la_language | |
825 | == language_cplus) | |
826 | && (PARSER_STREAM (parser) - start) >= CP_OPERATOR_LEN) | |
827 | { | |
b926417a | 828 | const char *op = PARSER_STREAM (parser); |
be966d42 | 829 | |
b926417a TT |
830 | while (op > start && isspace (op[-1])) |
831 | op--; | |
832 | if (op - start >= CP_OPERATOR_LEN) | |
be966d42 | 833 | { |
b926417a TT |
834 | op -= CP_OPERATOR_LEN; |
835 | if (strncmp (op, CP_OPERATOR_STR, CP_OPERATOR_LEN) == 0 | |
836 | && (op == start | |
837 | || !(isalnum (op[-1]) || op[-1] == '_'))) | |
be966d42 PA |
838 | { |
839 | /* This is an operator name. Keep going. */ | |
840 | ++(PARSER_STREAM (parser)); | |
841 | if (*PARSER_STREAM (parser) == '<') | |
842 | ++(PARSER_STREAM (parser)); | |
843 | continue; | |
844 | } | |
845 | } | |
846 | } | |
847 | ||
b926417a TT |
848 | const char *end = find_parameter_list_end (PARSER_STREAM (parser)); |
849 | PARSER_STREAM (parser) = end; | |
40e084e1 | 850 | |
be966d42 PA |
851 | /* Don't loop around to the normal \0 case above because |
852 | we don't want to misinterpret a potential keyword at | |
853 | the end of the token when the string isn't | |
854 | "()<>"-balanced. This handles "b | |
855 | function(thread<tab>" in completion mode. */ | |
b926417a | 856 | if (*end == '\0') |
40e084e1 | 857 | { |
be966d42 PA |
858 | LS_TOKEN_STOKEN (token).ptr = start; |
859 | LS_TOKEN_STOKEN (token).length | |
860 | = PARSER_STREAM (parser) - start; | |
861 | return token; | |
40e084e1 | 862 | } |
be966d42 PA |
863 | else |
864 | continue; | |
40e084e1 KS |
865 | } |
866 | /* Commas are terminators, but not if they are part of an | |
867 | operator name. */ | |
868 | else if (*PARSER_STREAM (parser) == ',') | |
869 | { | |
870 | if ((PARSER_STATE (parser)->language->la_language | |
871 | == language_cplus) | |
8090b426 | 872 | && (PARSER_STREAM (parser) - start) > CP_OPERATOR_LEN) |
40e084e1 | 873 | { |
b926417a | 874 | const char *op = strstr (start, CP_OPERATOR_STR); |
40e084e1 | 875 | |
b926417a | 876 | if (op != NULL && is_operator_name (op)) |
40e084e1 KS |
877 | { |
878 | /* This is an operator name. Keep going. */ | |
879 | ++(PARSER_STREAM (parser)); | |
880 | continue; | |
881 | } | |
882 | } | |
883 | ||
884 | /* Comma terminates the string. */ | |
885 | LS_TOKEN_STOKEN (token).ptr = start; | |
886 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
887 | return token; | |
888 | } | |
889 | ||
890 | /* Advance the stream. */ | |
f19e22e9 | 891 | gdb_assert (*(PARSER_STREAM (parser)) != '\0'); |
40e084e1 KS |
892 | ++(PARSER_STREAM (parser)); |
893 | } | |
894 | } | |
895 | ||
896 | return token; | |
897 | } | |
898 | ||
899 | /* Lex a single linespec token from PARSER. */ | |
900 | ||
901 | static linespec_token | |
902 | linespec_lexer_lex_one (linespec_parser *parser) | |
903 | { | |
904 | const char *keyword; | |
905 | ||
906 | if (parser->lexer.current.type == LSTOKEN_CONSUMED) | |
907 | { | |
908 | /* Skip any whitespace. */ | |
f1735a53 | 909 | PARSER_STREAM (parser) = skip_spaces (PARSER_STREAM (parser)); |
40e084e1 | 910 | |
7c09e5a0 | 911 | /* Check for a keyword, they end the linespec. */ |
0578b14e | 912 | keyword = linespec_lexer_lex_keyword (PARSER_STREAM (parser)); |
40e084e1 KS |
913 | if (keyword != NULL) |
914 | { | |
915 | parser->lexer.current.type = LSTOKEN_KEYWORD; | |
916 | LS_TOKEN_KEYWORD (parser->lexer.current) = keyword; | |
0578b14e KS |
917 | /* We do not advance the stream here intentionally: |
918 | we would like lexing to stop when a keyword is seen. | |
919 | ||
920 | PARSER_STREAM (parser) += strlen (keyword); */ | |
921 | ||
40e084e1 KS |
922 | return parser->lexer.current; |
923 | } | |
924 | ||
925 | /* Handle other tokens. */ | |
926 | switch (*PARSER_STREAM (parser)) | |
927 | { | |
928 | case 0: | |
929 | parser->lexer.current.type = LSTOKEN_EOI; | |
930 | break; | |
931 | ||
932 | case '+': case '-': | |
933 | case '0': case '1': case '2': case '3': case '4': | |
dda83cd7 SM |
934 | case '5': case '6': case '7': case '8': case '9': |
935 | if (!linespec_lexer_lex_number (parser, &(parser->lexer.current))) | |
d7cbec71 | 936 | parser->lexer.current = linespec_lexer_lex_string (parser); |
dda83cd7 | 937 | break; |
40e084e1 KS |
938 | |
939 | case ':': | |
940 | /* If we have a scope operator, lex the input as a string. | |
941 | Otherwise, return LSTOKEN_COLON. */ | |
942 | if (PARSER_STREAM (parser)[1] == ':') | |
943 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
944 | else | |
945 | { | |
946 | parser->lexer.current.type = LSTOKEN_COLON; | |
947 | ++(PARSER_STREAM (parser)); | |
948 | } | |
949 | break; | |
950 | ||
951 | case '\'': case '\"': | |
952 | /* Special case: permit quote-enclosed linespecs. */ | |
953 | if (parser->is_quote_enclosed | |
954 | && is_closing_quote_enclosed (PARSER_STREAM (parser))) | |
955 | { | |
956 | ++(PARSER_STREAM (parser)); | |
957 | parser->lexer.current.type = LSTOKEN_EOI; | |
958 | } | |
959 | else | |
960 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
961 | break; | |
962 | ||
963 | case ',': | |
964 | parser->lexer.current.type = LSTOKEN_COMMA; | |
965 | LS_TOKEN_STOKEN (parser->lexer.current).ptr | |
966 | = PARSER_STREAM (parser); | |
967 | LS_TOKEN_STOKEN (parser->lexer.current).length = 1; | |
968 | ++(PARSER_STREAM (parser)); | |
969 | break; | |
970 | ||
971 | default: | |
972 | /* If the input is not a number, it must be a string. | |
973 | [Keywords were already considered above.] */ | |
974 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
975 | break; | |
976 | } | |
977 | } | |
978 | ||
979 | return parser->lexer.current; | |
980 | } | |
981 | ||
982 | /* Consume the current token and return the next token in PARSER's | |
c45ec17c PA |
983 | input stream. Also advance the completion word for completion |
984 | mode. */ | |
40e084e1 KS |
985 | |
986 | static linespec_token | |
987 | linespec_lexer_consume_token (linespec_parser *parser) | |
988 | { | |
c45ec17c PA |
989 | gdb_assert (parser->lexer.current.type != LSTOKEN_EOI); |
990 | ||
991 | bool advance_word = (parser->lexer.current.type != LSTOKEN_STRING | |
992 | || *PARSER_STREAM (parser) != '\0'); | |
993 | ||
994 | /* If we're moving past a string to some other token, it must be the | |
995 | quote was terminated. */ | |
996 | if (parser->completion_quote_char) | |
997 | { | |
998 | gdb_assert (parser->lexer.current.type == LSTOKEN_STRING); | |
999 | ||
1000 | /* If the string was the last (non-EOI) token, we're past the | |
1001 | quote, but remember that for later. */ | |
1002 | if (*PARSER_STREAM (parser) != '\0') | |
1003 | { | |
1004 | parser->completion_quote_char = '\0'; | |
1005 | parser->completion_quote_end = NULL;; | |
1006 | } | |
1007 | } | |
1008 | ||
40e084e1 | 1009 | parser->lexer.current.type = LSTOKEN_CONSUMED; |
c45ec17c PA |
1010 | linespec_lexer_lex_one (parser); |
1011 | ||
1012 | if (parser->lexer.current.type == LSTOKEN_STRING) | |
1013 | { | |
1014 | /* Advance the completion word past a potential initial | |
1015 | quote-char. */ | |
1016 | parser->completion_word = LS_TOKEN_STOKEN (parser->lexer.current).ptr; | |
1017 | } | |
1018 | else if (advance_word) | |
1019 | { | |
1020 | /* Advance the completion word past any whitespace. */ | |
1021 | parser->completion_word = PARSER_STREAM (parser); | |
1022 | } | |
1023 | ||
1024 | return parser->lexer.current; | |
40e084e1 KS |
1025 | } |
1026 | ||
1027 | /* Return the next token without consuming the current token. */ | |
1028 | ||
1029 | static linespec_token | |
1030 | linespec_lexer_peek_token (linespec_parser *parser) | |
1031 | { | |
1032 | linespec_token next; | |
d7561cbb | 1033 | const char *saved_stream = PARSER_STREAM (parser); |
40e084e1 | 1034 | linespec_token saved_token = parser->lexer.current; |
c45ec17c PA |
1035 | int saved_completion_quote_char = parser->completion_quote_char; |
1036 | const char *saved_completion_quote_end = parser->completion_quote_end; | |
1037 | const char *saved_completion_word = parser->completion_word; | |
40e084e1 KS |
1038 | |
1039 | next = linespec_lexer_consume_token (parser); | |
1040 | PARSER_STREAM (parser) = saved_stream; | |
1041 | parser->lexer.current = saved_token; | |
c45ec17c PA |
1042 | parser->completion_quote_char = saved_completion_quote_char; |
1043 | parser->completion_quote_end = saved_completion_quote_end; | |
1044 | parser->completion_word = saved_completion_word; | |
40e084e1 KS |
1045 | return next; |
1046 | } | |
1047 | ||
1048 | /* Helper functions. */ | |
1049 | ||
40e084e1 KS |
1050 | /* Add SAL to SALS, and also update SELF->CANONICAL_NAMES to reflect |
1051 | the new sal, if needed. If not NULL, SYMNAME is the name of the | |
66f1999b KS |
1052 | symbol to use when constructing the new canonical name. |
1053 | ||
1054 | If LITERAL_CANONICAL is non-zero, SYMNAME will be used as the | |
1055 | canonical name for the SAL. */ | |
40e084e1 KS |
1056 | |
1057 | static void | |
1058 | add_sal_to_sals (struct linespec_state *self, | |
6c5b2ebe | 1059 | std::vector<symtab_and_line> *sals, |
40e084e1 | 1060 | struct symtab_and_line *sal, |
66f1999b | 1061 | const char *symname, int literal_canonical) |
40e084e1 | 1062 | { |
6c5b2ebe | 1063 | sals->push_back (*sal); |
40e084e1 KS |
1064 | |
1065 | if (self->canonical) | |
1066 | { | |
33f448b1 | 1067 | struct linespec_canonical_name *canonical; |
40e084e1 | 1068 | |
224c3ddb | 1069 | self->canonical_names = XRESIZEVEC (struct linespec_canonical_name, |
6c5b2ebe PA |
1070 | self->canonical_names, |
1071 | sals->size ()); | |
1072 | canonical = &self->canonical_names[sals->size () - 1]; | |
4e04028d | 1073 | if (!literal_canonical && sal->symtab) |
40e084e1 | 1074 | { |
df140a0b TS |
1075 | symtab_to_fullname (sal->symtab); |
1076 | ||
40e084e1 KS |
1077 | /* Note that the filter doesn't have to be a valid linespec |
1078 | input. We only apply the ":LINE" treatment to Ada for | |
1079 | the time being. */ | |
1080 | if (symname != NULL && sal->line != 0 | |
1081 | && self->language->la_language == language_ada) | |
8579fd13 AB |
1082 | canonical->suffix = xstrprintf ("%s:%d", symname, |
1083 | sal->line).release (); | |
40e084e1 | 1084 | else if (symname != NULL) |
33f448b1 | 1085 | canonical->suffix = xstrdup (symname); |
40e084e1 | 1086 | else |
8579fd13 | 1087 | canonical->suffix = xstrprintf ("%d", sal->line).release (); |
33f448b1 JK |
1088 | canonical->symtab = sal->symtab; |
1089 | } | |
1090 | else | |
1091 | { | |
1092 | if (symname != NULL) | |
1093 | canonical->suffix = xstrdup (symname); | |
1094 | else | |
e617b069 | 1095 | canonical->suffix = xstrdup ("<unknown>"); |
33f448b1 | 1096 | canonical->symtab = NULL; |
40e084e1 | 1097 | } |
40e084e1 KS |
1098 | } |
1099 | } | |
1100 | ||
1101 | /* A hash function for address_entry. */ | |
1102 | ||
1103 | static hashval_t | |
1104 | hash_address_entry (const void *p) | |
1105 | { | |
9a3c8263 | 1106 | const struct address_entry *aep = (const struct address_entry *) p; |
40e084e1 KS |
1107 | hashval_t hash; |
1108 | ||
1109 | hash = iterative_hash_object (aep->pspace, 0); | |
1110 | return iterative_hash_object (aep->addr, hash); | |
1111 | } | |
1112 | ||
1113 | /* An equality function for address_entry. */ | |
1114 | ||
1115 | static int | |
1116 | eq_address_entry (const void *a, const void *b) | |
1117 | { | |
9a3c8263 SM |
1118 | const struct address_entry *aea = (const struct address_entry *) a; |
1119 | const struct address_entry *aeb = (const struct address_entry *) b; | |
40e084e1 KS |
1120 | |
1121 | return aea->pspace == aeb->pspace && aea->addr == aeb->addr; | |
1122 | } | |
1123 | ||
1124 | /* Check whether the address, represented by PSPACE and ADDR, is | |
1125 | already in the set. If so, return 0. Otherwise, add it and return | |
1126 | 1. */ | |
1127 | ||
1128 | static int | |
1129 | maybe_add_address (htab_t set, struct program_space *pspace, CORE_ADDR addr) | |
1130 | { | |
1131 | struct address_entry e, *p; | |
1132 | void **slot; | |
1133 | ||
1134 | e.pspace = pspace; | |
1135 | e.addr = addr; | |
1136 | slot = htab_find_slot (set, &e, INSERT); | |
1137 | if (*slot) | |
1138 | return 0; | |
1139 | ||
1140 | p = XNEW (struct address_entry); | |
1141 | memcpy (p, &e, sizeof (struct address_entry)); | |
1142 | *slot = p; | |
1143 | ||
1144 | return 1; | |
1145 | } | |
1146 | ||
40e084e1 KS |
1147 | /* A helper that walks over all matching symtabs in all objfiles and |
1148 | calls CALLBACK for each symbol matching NAME. If SEARCH_PSPACE is | |
1149 | not NULL, then the search is restricted to just that program | |
14bc53a8 | 1150 | space. If INCLUDE_INLINE is true then symbols representing |
40e084e1 KS |
1151 | inlined instances of functions will be included in the result. */ |
1152 | ||
1153 | static void | |
14bc53a8 | 1154 | iterate_over_all_matching_symtabs |
b5ec771e PA |
1155 | (struct linespec_state *state, |
1156 | const lookup_name_info &lookup_name, | |
1157 | const domain_enum name_domain, | |
56d87ef7 | 1158 | enum search_domain search_domain, |
14bc53a8 PA |
1159 | struct program_space *search_pspace, bool include_inline, |
1160 | gdb::function_view<symbol_found_callback_ftype> callback) | |
40e084e1 | 1161 | { |
94c93c35 TT |
1162 | for (struct program_space *pspace : program_spaces) |
1163 | { | |
1164 | if (search_pspace != NULL && search_pspace != pspace) | |
1165 | continue; | |
1166 | if (pspace->executing_startup) | |
1167 | continue; | |
f8eba3c6 | 1168 | |
94c93c35 | 1169 | set_current_program_space (pspace); |
50641945 | 1170 | |
94c93c35 TT |
1171 | for (objfile *objfile : current_program_space->objfiles ()) |
1172 | { | |
4d080b46 | 1173 | objfile->expand_symtabs_matching (NULL, &lookup_name, NULL, NULL, |
03a8ea51 TT |
1174 | (SEARCH_GLOBAL_BLOCK |
1175 | | SEARCH_STATIC_BLOCK), | |
3bfa51a7 | 1176 | UNDEF_DOMAIN, |
4d080b46 | 1177 | search_domain); |
94c93c35 TT |
1178 | |
1179 | for (compunit_symtab *cu : objfile->compunits ()) | |
1180 | { | |
510860f2 | 1181 | struct symtab *symtab = cu->primary_filetab (); |
43f3e411 | 1182 | |
94c93c35 TT |
1183 | iterate_over_file_blocks (symtab, lookup_name, name_domain, |
1184 | callback); | |
481860b3 | 1185 | |
94c93c35 TT |
1186 | if (include_inline) |
1187 | { | |
1188 | const struct block *block; | |
1189 | int i; | |
44281e6c | 1190 | const blockvector *bv = symtab->compunit ()->blockvector (); |
481860b3 | 1191 | |
63d609de | 1192 | for (i = FIRST_LOCAL_BLOCK; i < bv->num_blocks (); i++) |
94c93c35 | 1193 | { |
63d609de | 1194 | block = bv->block (i); |
4009ee92 | 1195 | state->language->iterate_over_symbols |
94c93c35 TT |
1196 | (block, lookup_name, name_domain, |
1197 | [&] (block_symbol *bsym) | |
1198 | { | |
1199 | /* Restrict calls to CALLBACK to symbols | |
1200 | representing inline symbols only. */ | |
32177d6e | 1201 | if (bsym->symbol->is_inlined ()) |
94c93c35 TT |
1202 | return callback (bsym); |
1203 | return true; | |
1204 | }); | |
1205 | } | |
1206 | } | |
1207 | } | |
1208 | } | |
1209 | } | |
50641945 FN |
1210 | } |
1211 | ||
4eeaa230 DE |
1212 | /* Returns the block to be used for symbol searches from |
1213 | the current location. */ | |
e8eb7bc5 | 1214 | |
3977b71f | 1215 | static const struct block * |
e482a1a7 | 1216 | get_current_search_block (void) |
e8eb7bc5 | 1217 | { |
4eeaa230 DE |
1218 | /* get_selected_block can change the current language when there is |
1219 | no selected frame yet. */ | |
9bb9b2f9 TT |
1220 | scoped_restore_current_language save_language; |
1221 | return get_selected_block (0); | |
e8eb7bc5 KS |
1222 | } |
1223 | ||
4eeaa230 DE |
1224 | /* Iterate over static and global blocks. */ |
1225 | ||
1226 | static void | |
14bc53a8 | 1227 | iterate_over_file_blocks |
b5ec771e PA |
1228 | (struct symtab *symtab, const lookup_name_info &name, |
1229 | domain_enum domain, gdb::function_view<symbol_found_callback_ftype> callback) | |
4eeaa230 | 1230 | { |
582942f4 | 1231 | const struct block *block; |
4eeaa230 | 1232 | |
63d609de | 1233 | for (block = symtab->compunit ()->blockvector ()->static_block (); |
4eeaa230 | 1234 | block != NULL; |
f135fe72 | 1235 | block = block->superblock ()) |
4b2f86ef | 1236 | current_language->iterate_over_symbols (block, name, domain, callback); |
4eeaa230 DE |
1237 | } |
1238 | ||
b5ec771e PA |
1239 | /* A helper for find_method. This finds all methods in type T of |
1240 | language T_LANG which match NAME. It adds matching symbol names to | |
1241 | RESULT_NAMES, and adds T's direct superclasses to SUPERCLASSES. */ | |
50641945 | 1242 | |
f8eba3c6 | 1243 | static void |
b5ec771e | 1244 | find_methods (struct type *t, enum language t_lang, const char *name, |
9b2f8581 | 1245 | std::vector<const char *> *result_names, |
8e8d776e | 1246 | std::vector<struct type *> *superclasses) |
50641945 | 1247 | { |
50641945 | 1248 | int ibase; |
7d93a1e0 | 1249 | const char *class_name = t->name (); |
c00f8484 | 1250 | |
50641945 FN |
1251 | /* Ignore this class if it doesn't have a name. This is ugly, but |
1252 | unless we figure out how to get the physname without the name of | |
1253 | the class, then the loop can't do any good. */ | |
f8eba3c6 | 1254 | if (class_name) |
50641945 FN |
1255 | { |
1256 | int method_counter; | |
b5ec771e PA |
1257 | lookup_name_info lookup_name (name, symbol_name_match_type::FULL); |
1258 | symbol_name_matcher_ftype *symbol_name_compare | |
c9debfb9 | 1259 | = language_def (t_lang)->get_symbol_name_matcher (lookup_name); |
50641945 | 1260 | |
f168693b | 1261 | t = check_typedef (t); |
50641945 FN |
1262 | |
1263 | /* Loop over each method name. At this level, all overloads of a name | |
dda83cd7 SM |
1264 | are counted as a single name. There is an inner loop which loops over |
1265 | each overload. */ | |
50641945 FN |
1266 | |
1267 | for (method_counter = TYPE_NFN_FIELDS (t) - 1; | |
1268 | method_counter >= 0; | |
1269 | --method_counter) | |
1270 | { | |
0d5cff50 | 1271 | const char *method_name = TYPE_FN_FIELDLIST_NAME (t, method_counter); |
50641945 | 1272 | |
b5ec771e | 1273 | if (symbol_name_compare (method_name, lookup_name, NULL)) |
f8eba3c6 TT |
1274 | { |
1275 | int field_counter; | |
aee8d8ba | 1276 | |
f8eba3c6 TT |
1277 | for (field_counter = (TYPE_FN_FIELDLIST_LENGTH (t, method_counter) |
1278 | - 1); | |
1279 | field_counter >= 0; | |
1280 | --field_counter) | |
1281 | { | |
1282 | struct fn_field *f; | |
1283 | const char *phys_name; | |
1284 | ||
1285 | f = TYPE_FN_FIELDLIST1 (t, method_counter); | |
1286 | if (TYPE_FN_FIELD_STUB (f, field_counter)) | |
1287 | continue; | |
1288 | phys_name = TYPE_FN_FIELD_PHYSNAME (f, field_counter); | |
9b2f8581 | 1289 | result_names->push_back (phys_name); |
f8eba3c6 TT |
1290 | } |
1291 | } | |
aee8d8ba DC |
1292 | } |
1293 | } | |
1294 | ||
f8eba3c6 | 1295 | for (ibase = 0; ibase < TYPE_N_BASECLASSES (t); ibase++) |
8e8d776e | 1296 | superclasses->push_back (TYPE_BASECLASS (t, ibase)); |
50641945 FN |
1297 | } |
1298 | ||
40e084e1 KS |
1299 | /* The string equivalent of find_toplevel_char. Returns a pointer |
1300 | to the location of NEEDLE in HAYSTACK, ignoring any occurrences | |
1301 | inside "()" and "<>". Returns NULL if NEEDLE was not found. */ | |
889f28e2 | 1302 | |
40e084e1 KS |
1303 | static const char * |
1304 | find_toplevel_string (const char *haystack, const char *needle) | |
889f28e2 | 1305 | { |
40e084e1 KS |
1306 | const char *s = haystack; |
1307 | ||
1308 | do | |
1309 | { | |
1310 | s = find_toplevel_char (s, *needle); | |
1311 | ||
1312 | if (s != NULL) | |
1313 | { | |
1314 | /* Found first char in HAYSTACK; check rest of string. */ | |
61012eef | 1315 | if (startswith (s, needle)) |
40e084e1 KS |
1316 | return s; |
1317 | ||
1318 | /* Didn't find it; loop over HAYSTACK, looking for the next | |
1319 | instance of the first character of NEEDLE. */ | |
1320 | ++s; | |
1321 | } | |
1322 | } | |
1323 | while (s != NULL && *s != '\0'); | |
1324 | ||
1325 | /* NEEDLE was not found in HAYSTACK. */ | |
1326 | return NULL; | |
889f28e2 AF |
1327 | } |
1328 | ||
33f448b1 | 1329 | /* Convert CANONICAL to its string representation using |
53a0f8a2 | 1330 | symtab_to_fullname for SYMTAB. */ |
33f448b1 | 1331 | |
53a0f8a2 | 1332 | static std::string |
33f448b1 JK |
1333 | canonical_to_fullform (const struct linespec_canonical_name *canonical) |
1334 | { | |
1335 | if (canonical->symtab == NULL) | |
53a0f8a2 | 1336 | return canonical->suffix; |
33f448b1 | 1337 | else |
53a0f8a2 TT |
1338 | return string_printf ("%s:%s", symtab_to_fullname (canonical->symtab), |
1339 | canonical->suffix); | |
33f448b1 JK |
1340 | } |
1341 | ||
f8eba3c6 TT |
1342 | /* Given FILTERS, a list of canonical names, filter the sals in RESULT |
1343 | and store the result in SELF->CANONICAL. */ | |
50641945 | 1344 | |
f8eba3c6 TT |
1345 | static void |
1346 | filter_results (struct linespec_state *self, | |
6c5b2ebe | 1347 | std::vector<symtab_and_line> *result, |
f73c6ece | 1348 | const std::vector<const char *> &filters) |
f8eba3c6 | 1349 | { |
f73c6ece | 1350 | for (const char *name : filters) |
f8eba3c6 | 1351 | { |
6c5b2ebe | 1352 | linespec_sals lsal; |
f8eba3c6 | 1353 | |
6c5b2ebe | 1354 | for (size_t j = 0; j < result->size (); ++j) |
f8eba3c6 | 1355 | { |
33f448b1 | 1356 | const struct linespec_canonical_name *canonical; |
33f448b1 JK |
1357 | |
1358 | canonical = &self->canonical_names[j]; | |
53a0f8a2 | 1359 | std::string fullform = canonical_to_fullform (canonical); |
33f448b1 | 1360 | |
53a0f8a2 | 1361 | if (name == fullform) |
6c5b2ebe | 1362 | lsal.sals.push_back ((*result)[j]); |
f8eba3c6 TT |
1363 | } |
1364 | ||
6c5b2ebe | 1365 | if (!lsal.sals.empty ()) |
f8eba3c6 TT |
1366 | { |
1367 | lsal.canonical = xstrdup (name); | |
6c5b2ebe | 1368 | self->canonical->lsals.push_back (std::move (lsal)); |
f8eba3c6 TT |
1369 | } |
1370 | } | |
1371 | ||
1372 | self->canonical->pre_expanded = 0; | |
1373 | } | |
1374 | ||
1375 | /* Store RESULT into SELF->CANONICAL. */ | |
1376 | ||
1377 | static void | |
1378 | convert_results_to_lsals (struct linespec_state *self, | |
6c5b2ebe | 1379 | std::vector<symtab_and_line> *result) |
50641945 | 1380 | { |
f8eba3c6 TT |
1381 | struct linespec_sals lsal; |
1382 | ||
1383 | lsal.canonical = NULL; | |
6c5b2ebe PA |
1384 | lsal.sals = std::move (*result); |
1385 | self->canonical->lsals.push_back (std::move (lsal)); | |
f8eba3c6 TT |
1386 | } |
1387 | ||
33f448b1 JK |
1388 | /* A structure that contains two string representations of a struct |
1389 | linespec_canonical_name: | |
6471e7d2 | 1390 | - one where the symtab's fullname is used; |
33f448b1 JK |
1391 | - one where the filename followed the "set filename-display" |
1392 | setting. */ | |
1393 | ||
1394 | struct decode_line_2_item | |
1395 | { | |
53a0f8a2 TT |
1396 | decode_line_2_item (std::string &&fullform_, std::string &&displayform_, |
1397 | bool selected_) | |
1398 | : fullform (std::move (fullform_)), | |
1399 | displayform (std::move (displayform_)), | |
1400 | selected (selected_) | |
1401 | { | |
1402 | } | |
33f448b1 | 1403 | |
53a0f8a2 TT |
1404 | /* The form using symtab_to_fullname. */ |
1405 | std::string fullform; | |
1406 | ||
1407 | /* The form using symtab_to_filename_for_display. */ | |
1408 | std::string displayform; | |
33f448b1 JK |
1409 | |
1410 | /* Field is initialized to zero and it is set to one if the user | |
1411 | requested breakpoint for this entry. */ | |
1412 | unsigned int selected : 1; | |
1413 | }; | |
1414 | ||
53a0f8a2 TT |
1415 | /* Helper for std::sort to sort decode_line_2_item entries by |
1416 | DISPLAYFORM and secondarily by FULLFORM. */ | |
33f448b1 | 1417 | |
53a0f8a2 TT |
1418 | static bool |
1419 | decode_line_2_compare_items (const decode_line_2_item &a, | |
1420 | const decode_line_2_item &b) | |
33f448b1 | 1421 | { |
53a0f8a2 TT |
1422 | if (a.displayform != b.displayform) |
1423 | return a.displayform < b.displayform; | |
1424 | return a.fullform < b.fullform; | |
33f448b1 JK |
1425 | } |
1426 | ||
f8eba3c6 TT |
1427 | /* Handle multiple results in RESULT depending on SELECT_MODE. This |
1428 | will either return normally, throw an exception on multiple | |
1429 | results, or present a menu to the user. On return, the SALS vector | |
1430 | in SELF->CANONICAL is set up properly. */ | |
1431 | ||
1432 | static void | |
1433 | decode_line_2 (struct linespec_state *self, | |
6c5b2ebe | 1434 | std::vector<symtab_and_line> *result, |
f8eba3c6 TT |
1435 | const char *select_mode) |
1436 | { | |
992a7040 | 1437 | const char *args; |
a121b7c1 | 1438 | const char *prompt; |
50641945 | 1439 | int i; |
f73c6ece | 1440 | std::vector<const char *> filters; |
53a0f8a2 | 1441 | std::vector<struct decode_line_2_item> items; |
50641945 | 1442 | |
f8eba3c6 TT |
1443 | gdb_assert (select_mode != multiple_symbols_all); |
1444 | gdb_assert (self->canonical != NULL); | |
6c5b2ebe | 1445 | gdb_assert (!result->empty ()); |
33f448b1 | 1446 | |
33f448b1 | 1447 | /* Prepare ITEMS array. */ |
53a0f8a2 | 1448 | for (i = 0; i < result->size (); ++i) |
50641945 | 1449 | { |
33f448b1 | 1450 | const struct linespec_canonical_name *canonical; |
53a0f8a2 TT |
1451 | std::string displayform; |
1452 | ||
33f448b1 JK |
1453 | canonical = &self->canonical_names[i]; |
1454 | gdb_assert (canonical->suffix != NULL); | |
f8eba3c6 | 1455 | |
53a0f8a2 | 1456 | std::string fullform = canonical_to_fullform (canonical); |
33f448b1 JK |
1457 | |
1458 | if (canonical->symtab == NULL) | |
53a0f8a2 | 1459 | displayform = canonical->suffix; |
33f448b1 | 1460 | else |
f8eba3c6 | 1461 | { |
33f448b1 JK |
1462 | const char *fn_for_display; |
1463 | ||
1464 | fn_for_display = symtab_to_filename_for_display (canonical->symtab); | |
53a0f8a2 TT |
1465 | displayform = string_printf ("%s:%s", fn_for_display, |
1466 | canonical->suffix); | |
f8eba3c6 TT |
1467 | } |
1468 | ||
53a0f8a2 TT |
1469 | items.emplace_back (std::move (fullform), std::move (displayform), |
1470 | false); | |
50641945 FN |
1471 | } |
1472 | ||
33f448b1 | 1473 | /* Sort the list of method names. */ |
53a0f8a2 | 1474 | std::sort (items.begin (), items.end (), decode_line_2_compare_items); |
33f448b1 JK |
1475 | |
1476 | /* Remove entries with the same FULLFORM. */ | |
53a0f8a2 TT |
1477 | items.erase (std::unique (items.begin (), items.end (), |
1478 | [] (const struct decode_line_2_item &a, | |
1479 | const struct decode_line_2_item &b) | |
1480 | { | |
1481 | return a.fullform == b.fullform; | |
1482 | }), | |
1483 | items.end ()); | |
1484 | ||
1485 | if (select_mode == multiple_symbols_cancel && items.size () > 1) | |
f8eba3c6 TT |
1486 | error (_("canceled because the command is ambiguous\n" |
1487 | "See set/show multiple-symbol.")); | |
1488 | ||
53a0f8a2 | 1489 | if (select_mode == multiple_symbols_all || items.size () == 1) |
50641945 | 1490 | { |
f8eba3c6 TT |
1491 | convert_results_to_lsals (self, result); |
1492 | return; | |
50641945 FN |
1493 | } |
1494 | ||
f8eba3c6 | 1495 | printf_unfiltered (_("[0] cancel\n[1] all\n")); |
53a0f8a2 TT |
1496 | for (i = 0; i < items.size (); i++) |
1497 | printf_unfiltered ("[%d] %s\n", i + 2, items[i].displayform.c_str ()); | |
f8eba3c6 TT |
1498 | |
1499 | prompt = getenv ("PS2"); | |
1500 | if (prompt == NULL) | |
50641945 | 1501 | { |
f8eba3c6 | 1502 | prompt = "> "; |
50641945 | 1503 | } |
f8631e5e SM |
1504 | |
1505 | std::string buffer; | |
1506 | args = command_line_input (buffer, prompt, "overload-choice"); | |
50641945 FN |
1507 | |
1508 | if (args == 0 || *args == 0) | |
e2e0b3e5 | 1509 | error_no_arg (_("one or more choice numbers")); |
50641945 | 1510 | |
bfd28288 PA |
1511 | number_or_range_parser parser (args); |
1512 | while (!parser.finished ()) | |
50641945 | 1513 | { |
bfd28288 | 1514 | int num = parser.get_number (); |
50641945 FN |
1515 | |
1516 | if (num == 0) | |
8a3fe4f8 | 1517 | error (_("canceled")); |
50641945 FN |
1518 | else if (num == 1) |
1519 | { | |
f8eba3c6 TT |
1520 | /* We intentionally make this result in a single breakpoint, |
1521 | contrary to what older versions of gdb did. The | |
1522 | rationale is that this lets a user get the | |
1523 | multiple_symbols_all behavior even with the 'ask' | |
1524 | setting; and he can get separate breakpoints by entering | |
1525 | "2-57" at the query. */ | |
f8eba3c6 TT |
1526 | convert_results_to_lsals (self, result); |
1527 | return; | |
50641945 FN |
1528 | } |
1529 | ||
f8eba3c6 | 1530 | num -= 2; |
53a0f8a2 | 1531 | if (num >= items.size ()) |
f8eba3c6 | 1532 | printf_unfiltered (_("No choice number %d.\n"), num); |
50641945 FN |
1533 | else |
1534 | { | |
33f448b1 | 1535 | struct decode_line_2_item *item = &items[num]; |
f8eba3c6 | 1536 | |
33f448b1 | 1537 | if (!item->selected) |
50641945 | 1538 | { |
f73c6ece | 1539 | filters.push_back (item->fullform.c_str ()); |
33f448b1 | 1540 | item->selected = 1; |
50641945 FN |
1541 | } |
1542 | else | |
1543 | { | |
3e43a32a | 1544 | printf_unfiltered (_("duplicate request for %d ignored.\n"), |
f6f99966 | 1545 | num + 2); |
50641945 FN |
1546 | } |
1547 | } | |
50641945 | 1548 | } |
f8eba3c6 TT |
1549 | |
1550 | filter_results (self, result, filters); | |
50641945 | 1551 | } |
94af9270 | 1552 | |
40e084e1 | 1553 | \f |
3d50dd94 | 1554 | |
40e084e1 KS |
1555 | /* The parser of linespec itself. */ |
1556 | ||
1557 | /* Throw an appropriate error when SYMBOL is not found (optionally in | |
1558 | FILENAME). */ | |
1559 | ||
1560 | static void ATTRIBUTE_NORETURN | |
5d94e27b | 1561 | symbol_not_found_error (const char *symbol, const char *filename) |
3d50dd94 | 1562 | { |
40e084e1 KS |
1563 | if (symbol == NULL) |
1564 | symbol = ""; | |
1565 | ||
1566 | if (!have_full_symbols () | |
1567 | && !have_partial_symbols () | |
1568 | && !have_minimal_symbols ()) | |
1569 | throw_error (NOT_FOUND_ERROR, | |
1570 | _("No symbol table is loaded. Use the \"file\" command.")); | |
1571 | ||
1572 | /* If SYMBOL starts with '$', the user attempted to either lookup | |
1573 | a function/variable in his code starting with '$' or an internal | |
1574 | variable of that name. Since we do not know which, be concise and | |
1575 | explain both possibilities. */ | |
1576 | if (*symbol == '$') | |
1577 | { | |
1578 | if (filename) | |
1579 | throw_error (NOT_FOUND_ERROR, | |
1580 | _("Undefined convenience variable or function \"%s\" " | |
1581 | "not defined in \"%s\"."), symbol, filename); | |
1582 | else | |
1583 | throw_error (NOT_FOUND_ERROR, | |
1584 | _("Undefined convenience variable or function \"%s\" " | |
1585 | "not defined."), symbol); | |
1586 | } | |
1587 | else | |
1588 | { | |
1589 | if (filename) | |
1590 | throw_error (NOT_FOUND_ERROR, | |
1591 | _("Function \"%s\" not defined in \"%s\"."), | |
1592 | symbol, filename); | |
1593 | else | |
1594 | throw_error (NOT_FOUND_ERROR, | |
1595 | _("Function \"%s\" not defined."), symbol); | |
1596 | } | |
3d50dd94 JK |
1597 | } |
1598 | ||
40e084e1 KS |
1599 | /* Throw an appropriate error when an unexpected token is encountered |
1600 | in the input. */ | |
94af9270 | 1601 | |
40e084e1 KS |
1602 | static void ATTRIBUTE_NORETURN |
1603 | unexpected_linespec_error (linespec_parser *parser) | |
94af9270 | 1604 | { |
40e084e1 KS |
1605 | linespec_token token; |
1606 | static const char * token_type_strings[] | |
1607 | = {"keyword", "colon", "string", "number", "comma", "end of input"}; | |
94af9270 | 1608 | |
40e084e1 KS |
1609 | /* Get the token that generated the error. */ |
1610 | token = linespec_lexer_lex_one (parser); | |
94af9270 | 1611 | |
40e084e1 KS |
1612 | /* Finally, throw the error. */ |
1613 | if (token.type == LSTOKEN_STRING || token.type == LSTOKEN_NUMBER | |
1614 | || token.type == LSTOKEN_KEYWORD) | |
94af9270 | 1615 | { |
a5b5adf5 | 1616 | gdb::unique_xmalloc_ptr<char> string = copy_token_string (token); |
40e084e1 KS |
1617 | throw_error (GENERIC_ERROR, |
1618 | _("malformed linespec error: unexpected %s, \"%s\""), | |
a5b5adf5 | 1619 | token_type_strings[token.type], string.get ()); |
40e084e1 KS |
1620 | } |
1621 | else | |
1622 | throw_error (GENERIC_ERROR, | |
1623 | _("malformed linespec error: unexpected %s"), | |
1624 | token_type_strings[token.type]); | |
1625 | } | |
1626 | ||
00e52e53 KS |
1627 | /* Throw an undefined label error. */ |
1628 | ||
1629 | static void ATTRIBUTE_NORETURN | |
1630 | undefined_label_error (const char *function, const char *label) | |
1631 | { | |
1632 | if (function != NULL) | |
1633 | throw_error (NOT_FOUND_ERROR, | |
dda83cd7 SM |
1634 | _("No label \"%s\" defined in function \"%s\"."), |
1635 | label, function); | |
00e52e53 KS |
1636 | else |
1637 | throw_error (NOT_FOUND_ERROR, | |
dda83cd7 SM |
1638 | _("No label \"%s\" defined in current function."), |
1639 | label); | |
00e52e53 KS |
1640 | } |
1641 | ||
1642 | /* Throw a source file not found error. */ | |
1643 | ||
1644 | static void ATTRIBUTE_NORETURN | |
1645 | source_file_not_found_error (const char *name) | |
1646 | { | |
1647 | throw_error (NOT_FOUND_ERROR, _("No source file named %s."), name); | |
1648 | } | |
1649 | ||
c45ec17c PA |
1650 | /* Unless at EIO, save the current stream position as completion word |
1651 | point, and consume the next token. */ | |
1652 | ||
1653 | static linespec_token | |
1654 | save_stream_and_consume_token (linespec_parser *parser) | |
1655 | { | |
1656 | if (linespec_lexer_peek_token (parser).type != LSTOKEN_EOI) | |
1657 | parser->completion_word = PARSER_STREAM (parser); | |
1658 | return linespec_lexer_consume_token (parser); | |
1659 | } | |
1660 | ||
87f0e720 | 1661 | /* See description in linespec.h. */ |
40e084e1 | 1662 | |
87f0e720 | 1663 | struct line_offset |
09cf2b22 | 1664 | linespec_parse_line_offset (const char *string) |
40e084e1 | 1665 | { |
87f0e720 | 1666 | const char *start = string; |
dfea48fc | 1667 | struct line_offset line_offset; |
40e084e1 KS |
1668 | |
1669 | if (*string == '+') | |
1670 | { | |
1671 | line_offset.sign = LINE_OFFSET_PLUS; | |
1672 | ++string; | |
1673 | } | |
1674 | else if (*string == '-') | |
1675 | { | |
1676 | line_offset.sign = LINE_OFFSET_MINUS; | |
1677 | ++string; | |
1678 | } | |
dfea48fc PA |
1679 | else |
1680 | line_offset.sign = LINE_OFFSET_NONE; | |
40e084e1 | 1681 | |
87f0e720 KS |
1682 | if (*string != '\0' && !isdigit (*string)) |
1683 | error (_("malformed line offset: \"%s\""), start); | |
1684 | ||
40e084e1 KS |
1685 | /* Right now, we only allow base 10 for offsets. */ |
1686 | line_offset.offset = atoi (string); | |
1687 | return line_offset; | |
1688 | } | |
1689 | ||
c45ec17c PA |
1690 | /* In completion mode, if the user is still typing the number, there's |
1691 | no possible completion to offer. But if there's already input past | |
1692 | the number, setup to expect NEXT. */ | |
1693 | ||
1694 | static void | |
1695 | set_completion_after_number (linespec_parser *parser, | |
1696 | linespec_complete_what next) | |
1697 | { | |
1698 | if (*PARSER_STREAM (parser) == ' ') | |
1699 | { | |
f1735a53 | 1700 | parser->completion_word = skip_spaces (PARSER_STREAM (parser) + 1); |
c45ec17c PA |
1701 | parser->complete_what = next; |
1702 | } | |
1703 | else | |
1704 | { | |
1705 | parser->completion_word = PARSER_STREAM (parser); | |
1706 | parser->complete_what = linespec_complete_what::NOTHING; | |
1707 | } | |
1708 | } | |
1709 | ||
40e084e1 KS |
1710 | /* Parse the basic_spec in PARSER's input. */ |
1711 | ||
1712 | static void | |
1713 | linespec_parse_basic (linespec_parser *parser) | |
1714 | { | |
a5b5adf5 | 1715 | gdb::unique_xmalloc_ptr<char> name; |
40e084e1 | 1716 | linespec_token token; |
40e084e1 KS |
1717 | |
1718 | /* Get the next token. */ | |
1719 | token = linespec_lexer_lex_one (parser); | |
1720 | ||
1721 | /* If it is EOI or KEYWORD, issue an error. */ | |
c45ec17c PA |
1722 | if (token.type == LSTOKEN_KEYWORD) |
1723 | { | |
1724 | parser->complete_what = linespec_complete_what::NOTHING; | |
1725 | unexpected_linespec_error (parser); | |
1726 | } | |
1727 | else if (token.type == LSTOKEN_EOI) | |
1728 | { | |
1729 | unexpected_linespec_error (parser); | |
1730 | } | |
40e084e1 KS |
1731 | /* If it is a LSTOKEN_NUMBER, we have an offset. */ |
1732 | else if (token.type == LSTOKEN_NUMBER) | |
1733 | { | |
c45ec17c PA |
1734 | set_completion_after_number (parser, linespec_complete_what::KEYWORD); |
1735 | ||
40e084e1 KS |
1736 | /* Record the line offset and get the next token. */ |
1737 | name = copy_token_string (token); | |
a5b5adf5 TT |
1738 | PARSER_EXPLICIT (parser)->line_offset |
1739 | = linespec_parse_line_offset (name.get ()); | |
40e084e1 KS |
1740 | |
1741 | /* Get the next token. */ | |
1742 | token = linespec_lexer_consume_token (parser); | |
1743 | ||
1744 | /* If the next token is a comma, stop parsing and return. */ | |
1745 | if (token.type == LSTOKEN_COMMA) | |
c45ec17c PA |
1746 | { |
1747 | parser->complete_what = linespec_complete_what::NOTHING; | |
1748 | return; | |
1749 | } | |
40e084e1 KS |
1750 | |
1751 | /* If the next token is anything but EOI or KEYWORD, issue | |
1752 | an error. */ | |
1753 | if (token.type != LSTOKEN_KEYWORD && token.type != LSTOKEN_EOI) | |
1754 | unexpected_linespec_error (parser); | |
1755 | } | |
1756 | ||
1757 | if (token.type == LSTOKEN_KEYWORD || token.type == LSTOKEN_EOI) | |
1758 | return; | |
1759 | ||
1760 | /* Next token must be LSTOKEN_STRING. */ | |
1761 | if (token.type != LSTOKEN_STRING) | |
c45ec17c PA |
1762 | { |
1763 | parser->complete_what = linespec_complete_what::NOTHING; | |
1764 | unexpected_linespec_error (parser); | |
1765 | } | |
40e084e1 KS |
1766 | |
1767 | /* The current token will contain the name of a function, method, | |
1768 | or label. */ | |
c45ec17c | 1769 | name = copy_token_string (token); |
c45ec17c PA |
1770 | |
1771 | if (parser->completion_tracker != NULL) | |
1772 | { | |
1773 | /* If the function name ends with a ":", then this may be an | |
1774 | incomplete "::" scope operator instead of a label separator. | |
1775 | E.g., | |
1776 | "b klass:<tab>" | |
1777 | which should expand to: | |
1778 | "b klass::method()" | |
1779 | ||
1780 | Do a tentative completion assuming the later. If we find | |
1781 | completions, advance the stream past the colon token and make | |
1782 | it part of the function name/token. */ | |
1783 | ||
1784 | if (!parser->completion_quote_char | |
1785 | && strcmp (PARSER_STREAM (parser), ":") == 0) | |
1786 | { | |
1787 | completion_tracker tmp_tracker; | |
1788 | const char *source_filename | |
1789 | = PARSER_EXPLICIT (parser)->source_filename; | |
a20714ff PA |
1790 | symbol_name_match_type match_type |
1791 | = PARSER_EXPLICIT (parser)->func_name_match_type; | |
c45ec17c PA |
1792 | |
1793 | linespec_complete_function (tmp_tracker, | |
1794 | parser->completion_word, | |
a20714ff | 1795 | match_type, |
c45ec17c PA |
1796 | source_filename); |
1797 | ||
1798 | if (tmp_tracker.have_completions ()) | |
1799 | { | |
1800 | PARSER_STREAM (parser)++; | |
1801 | LS_TOKEN_STOKEN (token).length++; | |
1802 | ||
a5b5adf5 TT |
1803 | name.reset (savestring (parser->completion_word, |
1804 | (PARSER_STREAM (parser) | |
1805 | - parser->completion_word))); | |
c45ec17c PA |
1806 | } |
1807 | } | |
1808 | ||
a5b5adf5 | 1809 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
c45ec17c PA |
1810 | } |
1811 | else | |
1812 | { | |
28a0d291 SM |
1813 | std::vector<block_symbol> symbols; |
1814 | std::vector<bound_minimal_symbol> minimal_symbols; | |
1815 | ||
6a307fc5 TT |
1816 | /* Try looking it up as a function/method. */ |
1817 | find_linespec_symbols (PARSER_STATE (parser), | |
a5b5adf5 | 1818 | PARSER_RESULT (parser)->file_symtabs, name.get (), |
6a307fc5 TT |
1819 | PARSER_EXPLICIT (parser)->func_name_match_type, |
1820 | &symbols, &minimal_symbols); | |
40e084e1 | 1821 | |
c2a031c5 | 1822 | if (!symbols.empty () || !minimal_symbols.empty ()) |
94af9270 | 1823 | { |
28a0d291 SM |
1824 | PARSER_RESULT (parser)->function_symbols = std::move (symbols); |
1825 | PARSER_RESULT (parser)->minimal_symbols = std::move (minimal_symbols); | |
a5b5adf5 | 1826 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
40e084e1 | 1827 | } |
6a307fc5 | 1828 | else |
b4013987 | 1829 | { |
6a307fc5 TT |
1830 | /* NAME was not a function or a method. So it must be a label |
1831 | name or user specified variable like "break foo.c:$zippo". */ | |
28a0d291 SM |
1832 | std::vector<block_symbol> labels |
1833 | = find_label_symbols (PARSER_STATE (parser), {}, &symbols, | |
1834 | name.get ()); | |
1835 | ||
1836 | if (!labels.empty ()) | |
6a307fc5 | 1837 | { |
28a0d291 | 1838 | PARSER_RESULT (parser)->labels.label_symbols = std::move (labels); |
7243d011 | 1839 | PARSER_RESULT (parser)->labels.function_symbols |
28a0d291 | 1840 | = std::move (symbols); |
a5b5adf5 | 1841 | PARSER_EXPLICIT (parser)->label_name = name.release (); |
6a307fc5 TT |
1842 | } |
1843 | else if (token.type == LSTOKEN_STRING | |
1844 | && *LS_TOKEN_STOKEN (token).ptr == '$') | |
1845 | { | |
1846 | /* User specified a convenience variable or history value. */ | |
1847 | PARSER_EXPLICIT (parser)->line_offset | |
a5b5adf5 | 1848 | = linespec_parse_variable (PARSER_STATE (parser), name.get ()); |
b4013987 | 1849 | |
6a307fc5 TT |
1850 | if (PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN) |
1851 | { | |
1852 | /* The user-specified variable was not valid. Do not | |
1853 | throw an error here. parse_linespec will do it for us. */ | |
a5b5adf5 | 1854 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
6a307fc5 TT |
1855 | return; |
1856 | } | |
6a307fc5 TT |
1857 | } |
1858 | else | |
b4013987 | 1859 | { |
6a307fc5 TT |
1860 | /* The name is also not a label. Abort parsing. Do not throw |
1861 | an error here. parse_linespec will do it for us. */ | |
1862 | ||
1863 | /* Save a copy of the name we were trying to lookup. */ | |
a5b5adf5 | 1864 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
b4013987 AA |
1865 | return; |
1866 | } | |
1867 | } | |
c45ec17c PA |
1868 | } |
1869 | ||
1870 | int previous_qc = parser->completion_quote_char; | |
40e084e1 KS |
1871 | |
1872 | /* Get the next token. */ | |
1873 | token = linespec_lexer_consume_token (parser); | |
1874 | ||
c45ec17c PA |
1875 | if (token.type == LSTOKEN_EOI) |
1876 | { | |
1877 | if (previous_qc && !parser->completion_quote_char) | |
1878 | parser->complete_what = linespec_complete_what::KEYWORD; | |
1879 | } | |
1880 | else if (token.type == LSTOKEN_COLON) | |
40e084e1 KS |
1881 | { |
1882 | /* User specified a label or a lineno. */ | |
1883 | token = linespec_lexer_consume_token (parser); | |
1884 | ||
1885 | if (token.type == LSTOKEN_NUMBER) | |
1886 | { | |
1887 | /* User specified an offset. Record the line offset and | |
1888 | get the next token. */ | |
c45ec17c PA |
1889 | set_completion_after_number (parser, linespec_complete_what::KEYWORD); |
1890 | ||
40e084e1 | 1891 | name = copy_token_string (token); |
00e52e53 | 1892 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 1893 | = linespec_parse_line_offset (name.get ()); |
40e084e1 | 1894 | |
c45ec17c | 1895 | /* Get the next token. */ |
40e084e1 KS |
1896 | token = linespec_lexer_consume_token (parser); |
1897 | } | |
c45ec17c PA |
1898 | else if (token.type == LSTOKEN_EOI && parser->completion_tracker != NULL) |
1899 | { | |
1900 | parser->complete_what = linespec_complete_what::LABEL; | |
1901 | } | |
40e084e1 KS |
1902 | else if (token.type == LSTOKEN_STRING) |
1903 | { | |
c45ec17c PA |
1904 | parser->complete_what = linespec_complete_what::LABEL; |
1905 | ||
1906 | /* If we have text after the label separated by whitespace | |
1907 | (e.g., "b func():lab i<tab>"), don't consider it part of | |
1908 | the label. In completion mode that should complete to | |
1909 | "if", in normal mode, the 'i' should be treated as | |
1910 | garbage. */ | |
1911 | if (parser->completion_quote_char == '\0') | |
1912 | { | |
1913 | const char *ptr = LS_TOKEN_STOKEN (token).ptr; | |
1914 | for (size_t i = 0; i < LS_TOKEN_STOKEN (token).length; i++) | |
1915 | { | |
1916 | if (ptr[i] == ' ') | |
1917 | { | |
1918 | LS_TOKEN_STOKEN (token).length = i; | |
f1735a53 | 1919 | PARSER_STREAM (parser) = skip_spaces (ptr + i + 1); |
c45ec17c PA |
1920 | break; |
1921 | } | |
1922 | } | |
1923 | } | |
1924 | ||
1925 | if (parser->completion_tracker != NULL) | |
1926 | { | |
1927 | if (PARSER_STREAM (parser)[-1] == ' ') | |
1928 | { | |
1929 | parser->completion_word = PARSER_STREAM (parser); | |
1930 | parser->complete_what = linespec_complete_what::KEYWORD; | |
1931 | } | |
1932 | } | |
1933 | else | |
1934 | { | |
28a0d291 SM |
1935 | std::vector<block_symbol> symbols; |
1936 | ||
6a307fc5 TT |
1937 | /* Grab a copy of the label's name and look it up. */ |
1938 | name = copy_token_string (token); | |
28a0d291 | 1939 | std::vector<block_symbol> labels |
6a307fc5 TT |
1940 | = find_label_symbols (PARSER_STATE (parser), |
1941 | PARSER_RESULT (parser)->function_symbols, | |
a5b5adf5 | 1942 | &symbols, name.get ()); |
40e084e1 | 1943 | |
28a0d291 | 1944 | if (!labels.empty ()) |
6a307fc5 | 1945 | { |
28a0d291 SM |
1946 | PARSER_RESULT (parser)->labels.label_symbols |
1947 | = std::move (labels); | |
7243d011 | 1948 | PARSER_RESULT (parser)->labels.function_symbols |
28a0d291 | 1949 | = std::move (symbols); |
a5b5adf5 | 1950 | PARSER_EXPLICIT (parser)->label_name = name.release (); |
6a307fc5 TT |
1951 | } |
1952 | else | |
1953 | { | |
1954 | /* We don't know what it was, but it isn't a label. */ | |
1955 | undefined_label_error | |
a5b5adf5 | 1956 | (PARSER_EXPLICIT (parser)->function_name, name.get ()); |
6a307fc5 | 1957 | } |
40e084e1 | 1958 | |
c45ec17c PA |
1959 | } |
1960 | ||
40e084e1 | 1961 | /* Check for a line offset. */ |
c45ec17c | 1962 | token = save_stream_and_consume_token (parser); |
40e084e1 KS |
1963 | if (token.type == LSTOKEN_COLON) |
1964 | { | |
1965 | /* Get the next token. */ | |
1966 | token = linespec_lexer_consume_token (parser); | |
1967 | ||
1968 | /* It must be a line offset. */ | |
1969 | if (token.type != LSTOKEN_NUMBER) | |
1970 | unexpected_linespec_error (parser); | |
1971 | ||
c6756f62 | 1972 | /* Record the line offset and get the next token. */ |
40e084e1 | 1973 | name = copy_token_string (token); |
40e084e1 | 1974 | |
00e52e53 | 1975 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 1976 | = linespec_parse_line_offset (name.get ()); |
40e084e1 KS |
1977 | |
1978 | /* Get the next token. */ | |
1979 | token = linespec_lexer_consume_token (parser); | |
94af9270 KS |
1980 | } |
1981 | } | |
40e084e1 KS |
1982 | else |
1983 | { | |
1984 | /* Trailing ':' in the input. Issue an error. */ | |
1985 | unexpected_linespec_error (parser); | |
1986 | } | |
94af9270 | 1987 | } |
40e084e1 | 1988 | } |
94af9270 | 1989 | |
40e084e1 | 1990 | /* Canonicalize the linespec contained in LS. The result is saved into |
00e52e53 KS |
1991 | STATE->canonical. This function handles both linespec and explicit |
1992 | locations. */ | |
40e084e1 KS |
1993 | |
1994 | static void | |
1487a14e | 1995 | canonicalize_linespec (struct linespec_state *state, const linespec *ls) |
40e084e1 KS |
1996 | { |
1997 | /* If canonicalization was not requested, no need to do anything. */ | |
1998 | if (!state->canonical) | |
1999 | return; | |
2000 | ||
00e52e53 | 2001 | /* Save everything as an explicit location. */ |
40d97ee2 PA |
2002 | state->canonical->locspec = ls->explicit_loc.clone (); |
2003 | explicit_location_spec *explicit_loc | |
2004 | = as_explicit_location_spec (state->canonical->locspec.get ()); | |
40e084e1 | 2005 | |
67994074 | 2006 | if (explicit_loc->label_name != NULL) |
a06efdd6 | 2007 | { |
00e52e53 | 2008 | state->canonical->special_display = 1; |
40e084e1 | 2009 | |
67994074 | 2010 | if (explicit_loc->function_name == NULL) |
40e084e1 | 2011 | { |
a06efdd6 | 2012 | /* No function was specified, so add the symbol name. */ |
28a0d291 SM |
2013 | gdb_assert (ls->labels.function_symbols.size () == 1); |
2014 | block_symbol s = ls->labels.function_symbols.front (); | |
987012b8 | 2015 | explicit_loc->function_name = xstrdup (s.symbol->natural_name ()); |
40e084e1 | 2016 | } |
a06efdd6 | 2017 | } |
40e084e1 | 2018 | |
00e52e53 KS |
2019 | /* If this location originally came from a linespec, save a string |
2020 | representation of it for display and saving to file. */ | |
2021 | if (state->is_linespec) | |
dac9773e | 2022 | explicit_loc->set_string (explicit_loc->to_linespec ()); |
94af9270 | 2023 | } |
c00f8484 | 2024 | |
40e084e1 | 2025 | /* Given a line offset in LS, construct the relevant SALs. */ |
c00f8484 | 2026 | |
6c5b2ebe | 2027 | static std::vector<symtab_and_line> |
40e084e1 | 2028 | create_sals_line_offset (struct linespec_state *self, |
1487a14e | 2029 | linespec *ls) |
c00f8484 | 2030 | { |
40e084e1 | 2031 | int use_default = 0; |
c00f8484 | 2032 | |
40e084e1 KS |
2033 | /* This is where we need to make sure we have good defaults. |
2034 | We must guarantee that this section of code is never executed | |
2e47c6ca | 2035 | when we are called with just a function name, since |
40e084e1 KS |
2036 | set_default_source_symtab_and_line uses |
2037 | select_source_symtab that calls us with such an argument. */ | |
2038 | ||
28a0d291 SM |
2039 | if (ls->file_symtabs.size () == 1 |
2040 | && ls->file_symtabs.front () == nullptr) | |
3d50dd94 | 2041 | { |
40e084e1 | 2042 | set_current_program_space (self->program_space); |
c00f8484 | 2043 | |
40e084e1 KS |
2044 | /* Make sure we have at least a default source line. */ |
2045 | set_default_source_symtab_and_line (); | |
2046 | initialize_defaults (&self->default_symtab, &self->default_line); | |
28a0d291 | 2047 | ls->file_symtabs |
bb995d00 KS |
2048 | = collect_symtabs_from_filename (self->default_symtab->filename, |
2049 | self->search_pspace); | |
40e084e1 KS |
2050 | use_default = 1; |
2051 | } | |
c00f8484 | 2052 | |
51abb421 | 2053 | symtab_and_line val; |
67994074 KS |
2054 | val.line = ls->explicit_loc.line_offset.offset; |
2055 | switch (ls->explicit_loc.line_offset.sign) | |
40e084e1 KS |
2056 | { |
2057 | case LINE_OFFSET_PLUS: | |
67994074 | 2058 | if (ls->explicit_loc.line_offset.offset == 0) |
40e084e1 KS |
2059 | val.line = 5; |
2060 | if (use_default) | |
2061 | val.line = self->default_line + val.line; | |
2062 | break; | |
2063 | ||
2064 | case LINE_OFFSET_MINUS: | |
67994074 | 2065 | if (ls->explicit_loc.line_offset.offset == 0) |
40e084e1 KS |
2066 | val.line = 15; |
2067 | if (use_default) | |
2068 | val.line = self->default_line - val.line; | |
2069 | else | |
2070 | val.line = -val.line; | |
2071 | break; | |
2072 | ||
2073 | case LINE_OFFSET_NONE: | |
2074 | break; /* No need to adjust val.line. */ | |
2075 | } | |
2076 | ||
6c5b2ebe | 2077 | std::vector<symtab_and_line> values; |
40e084e1 | 2078 | if (self->list_mode) |
6c5b2ebe | 2079 | values = decode_digits_list_mode (self, ls, val); |
40e084e1 KS |
2080 | else |
2081 | { | |
2082 | struct linetable_entry *best_entry = NULL; | |
40e084e1 KS |
2083 | int i, j; |
2084 | ||
6c5b2ebe PA |
2085 | std::vector<symtab_and_line> intermediate_results |
2086 | = decode_digits_ordinary (self, ls, val.line, &best_entry); | |
2087 | if (intermediate_results.empty () && best_entry != NULL) | |
2088 | intermediate_results = decode_digits_ordinary (self, ls, | |
2089 | best_entry->line, | |
2090 | &best_entry); | |
40e084e1 KS |
2091 | |
2092 | /* For optimized code, the compiler can scatter one source line | |
2093 | across disjoint ranges of PC values, even when no duplicate | |
2094 | functions or inline functions are involved. For example, | |
2095 | 'for (;;)' inside a non-template, non-inline, and non-ctor-or-dtor | |
2096 | function can result in two PC ranges. In this case, we don't | |
2097 | want to set a breakpoint on the first PC of each range. To filter | |
2098 | such cases, we use containing blocks -- for each PC found | |
2099 | above, we see if there are other PCs that are in the same | |
2100 | block. If yes, the other PCs are filtered out. */ | |
2101 | ||
0fc21fd8 TT |
2102 | gdb::def_vector<int> filter (intermediate_results.size ()); |
2103 | gdb::def_vector<const block *> blocks (intermediate_results.size ()); | |
40e084e1 | 2104 | |
6c5b2ebe | 2105 | for (i = 0; i < intermediate_results.size (); ++i) |
3d50dd94 | 2106 | { |
6c5b2ebe | 2107 | set_current_program_space (intermediate_results[i].pspace); |
c00f8484 | 2108 | |
40e084e1 | 2109 | filter[i] = 1; |
6c5b2ebe PA |
2110 | blocks[i] = block_for_pc_sect (intermediate_results[i].pc, |
2111 | intermediate_results[i].section); | |
3d50dd94 | 2112 | } |
c00f8484 | 2113 | |
6c5b2ebe | 2114 | for (i = 0; i < intermediate_results.size (); ++i) |
40e084e1 KS |
2115 | { |
2116 | if (blocks[i] != NULL) | |
6c5b2ebe | 2117 | for (j = i + 1; j < intermediate_results.size (); ++j) |
40e084e1 KS |
2118 | { |
2119 | if (blocks[j] == blocks[i]) | |
2120 | { | |
2121 | filter[j] = 0; | |
2122 | break; | |
2123 | } | |
2124 | } | |
2125 | } | |
c00f8484 | 2126 | |
6c5b2ebe | 2127 | for (i = 0; i < intermediate_results.size (); ++i) |
40e084e1 KS |
2128 | if (filter[i]) |
2129 | { | |
2130 | struct symbol *sym = (blocks[i] | |
2131 | ? block_containing_function (blocks[i]) | |
2132 | : NULL); | |
3d50dd94 | 2133 | |
40e084e1 | 2134 | if (self->funfirstline) |
6c5b2ebe | 2135 | skip_prologue_sal (&intermediate_results[i]); |
cd2bb709 | 2136 | intermediate_results[i].symbol = sym; |
6c5b2ebe | 2137 | add_sal_to_sals (self, &values, &intermediate_results[i], |
987012b8 | 2138 | sym ? sym->natural_name () : NULL, 0); |
40e084e1 | 2139 | } |
f17170e5 | 2140 | } |
c00f8484 | 2141 | |
6c5b2ebe | 2142 | if (values.empty ()) |
40e084e1 | 2143 | { |
67994074 | 2144 | if (ls->explicit_loc.source_filename) |
40e084e1 | 2145 | throw_error (NOT_FOUND_ERROR, _("No line %d in file \"%s\"."), |
67994074 | 2146 | val.line, ls->explicit_loc.source_filename); |
40e084e1 KS |
2147 | else |
2148 | throw_error (NOT_FOUND_ERROR, _("No line %d in the current file."), | |
2149 | val.line); | |
2150 | } | |
3d50dd94 | 2151 | |
40e084e1 | 2152 | return values; |
c00f8484 KS |
2153 | } |
2154 | ||
a06efdd6 KS |
2155 | /* Convert the given ADDRESS into SaLs. */ |
2156 | ||
6c5b2ebe | 2157 | static std::vector<symtab_and_line> |
a06efdd6 KS |
2158 | convert_address_location_to_sals (struct linespec_state *self, |
2159 | CORE_ADDR address) | |
2160 | { | |
6c5b2ebe | 2161 | symtab_and_line sal = find_pc_line (address, 0); |
a06efdd6 KS |
2162 | sal.pc = address; |
2163 | sal.section = find_pc_overlay (address); | |
2164 | sal.explicit_pc = 1; | |
cd2bb709 | 2165 | sal.symbol = find_pc_sect_containing_function (sal.pc, sal.section); |
6c5b2ebe PA |
2166 | |
2167 | std::vector<symtab_and_line> sals; | |
a06efdd6 KS |
2168 | add_sal_to_sals (self, &sals, &sal, core_addr_to_string (address), 1); |
2169 | ||
2170 | return sals; | |
2171 | } | |
2172 | ||
40e084e1 KS |
2173 | /* Create and return SALs from the linespec LS. */ |
2174 | ||
6c5b2ebe | 2175 | static std::vector<symtab_and_line> |
1487a14e | 2176 | convert_linespec_to_sals (struct linespec_state *state, linespec *ls) |
40e084e1 | 2177 | { |
6c5b2ebe | 2178 | std::vector<symtab_and_line> sals; |
40e084e1 | 2179 | |
28a0d291 | 2180 | if (!ls->labels.label_symbols.empty ()) |
40e084e1 KS |
2181 | { |
2182 | /* We have just a bunch of functions/methods or labels. */ | |
7e41c8db KS |
2183 | struct symtab_and_line sal; |
2184 | ||
28a0d291 | 2185 | for (const auto &sym : ls->labels.label_symbols) |
40e084e1 | 2186 | { |
7e41c8db | 2187 | struct program_space *pspace |
4206d69e | 2188 | = sym.symbol->symtab ()->compunit ()->objfile ()->pspace; |
fdbb204b | 2189 | |
7e41c8db | 2190 | if (symbol_to_sal (&sal, state->funfirstline, sym.symbol) |
fdbb204b | 2191 | && maybe_add_address (state->addr_set, pspace, sal.pc)) |
64b92e45 | 2192 | add_sal_to_sals (state, &sals, &sal, |
987012b8 | 2193 | sym.symbol->natural_name (), 0); |
40e084e1 KS |
2194 | } |
2195 | } | |
28a0d291 | 2196 | else if (!ls->function_symbols.empty () || !ls->minimal_symbols.empty ()) |
40e084e1 KS |
2197 | { |
2198 | /* We have just a bunch of functions and/or methods. */ | |
28a0d291 | 2199 | if (!ls->function_symbols.empty ()) |
40e084e1 KS |
2200 | { |
2201 | /* Sort symbols so that symbols with the same program space are next | |
2202 | to each other. */ | |
28a0d291 SM |
2203 | std::sort (ls->function_symbols.begin (), |
2204 | ls->function_symbols.end (), | |
4dedf84d | 2205 | compare_symbols); |
40e084e1 | 2206 | |
28a0d291 | 2207 | for (const auto &sym : ls->function_symbols) |
40e084e1 | 2208 | { |
7e41c8db | 2209 | program_space *pspace |
4206d69e | 2210 | = sym.symbol->symtab ()->compunit ()->objfile ()->pspace; |
40e084e1 | 2211 | set_current_program_space (pspace); |
76af0f26 PA |
2212 | |
2213 | /* Don't skip to the first line of the function if we | |
2214 | had found an ifunc minimal symbol for this function, | |
2215 | because that means that this function is an ifunc | |
2216 | resolver with the same name as the ifunc itself. */ | |
2217 | bool found_ifunc = false; | |
2218 | ||
2219 | if (state->funfirstline | |
28a0d291 | 2220 | && !ls->minimal_symbols.empty () |
66d7f48f | 2221 | && sym.symbol->aclass () == LOC_BLOCK) |
76af0f26 PA |
2222 | { |
2223 | const CORE_ADDR addr | |
6395b628 | 2224 | = sym.symbol->value_block ()->entry_pc (); |
76af0f26 | 2225 | |
28a0d291 | 2226 | for (const auto &elem : ls->minimal_symbols) |
76af0f26 | 2227 | { |
60f62e2b SM |
2228 | if (elem.minsym->type () == mst_text_gnu_ifunc |
2229 | || elem.minsym->type () == mst_data_gnu_ifunc) | |
76af0f26 | 2230 | { |
4aeddc50 | 2231 | CORE_ADDR msym_addr = elem.value_address (); |
60f62e2b | 2232 | if (elem.minsym->type () == mst_data_gnu_ifunc) |
f50776aa PA |
2233 | { |
2234 | struct gdbarch *gdbarch | |
08feed99 | 2235 | = elem.objfile->arch (); |
f50776aa PA |
2236 | msym_addr |
2237 | = (gdbarch_convert_from_func_ptr_addr | |
2238 | (gdbarch, | |
2239 | msym_addr, | |
328d42d8 | 2240 | current_inferior ()->top_target ())); |
f50776aa PA |
2241 | } |
2242 | ||
2243 | if (msym_addr == addr) | |
2244 | { | |
2245 | found_ifunc = true; | |
2246 | break; | |
2247 | } | |
76af0f26 PA |
2248 | } |
2249 | } | |
2250 | } | |
2251 | ||
2252 | if (!found_ifunc) | |
2253 | { | |
2254 | symtab_and_line sal; | |
7e41c8db | 2255 | if (symbol_to_sal (&sal, state->funfirstline, sym.symbol) |
76af0f26 PA |
2256 | && maybe_add_address (state->addr_set, pspace, sal.pc)) |
2257 | add_sal_to_sals (state, &sals, &sal, | |
987012b8 | 2258 | sym.symbol->natural_name (), 0); |
76af0f26 | 2259 | } |
40e084e1 KS |
2260 | } |
2261 | } | |
2262 | ||
28a0d291 | 2263 | if (!ls->minimal_symbols.empty ()) |
40e084e1 | 2264 | { |
76af0f26 | 2265 | /* Sort minimal symbols by program space, too */ |
28a0d291 SM |
2266 | std::sort (ls->minimal_symbols.begin (), |
2267 | ls->minimal_symbols.end (), | |
c2a031c5 | 2268 | compare_msymbols); |
40e084e1 | 2269 | |
28a0d291 | 2270 | for (const auto &elem : ls->minimal_symbols) |
40e084e1 | 2271 | { |
c2a031c5 | 2272 | program_space *pspace = elem.objfile->pspace; |
40e084e1 | 2273 | set_current_program_space (pspace); |
c2a031c5 | 2274 | minsym_found (state, elem.objfile, elem.minsym, &sals); |
40e084e1 KS |
2275 | } |
2276 | } | |
2277 | } | |
67994074 | 2278 | else if (ls->explicit_loc.line_offset.sign != LINE_OFFSET_UNKNOWN) |
40e084e1 KS |
2279 | { |
2280 | /* Only an offset was specified. */ | |
2281 | sals = create_sals_line_offset (state, ls); | |
2282 | ||
2283 | /* Make sure we have a filename for canonicalization. */ | |
67994074 | 2284 | if (ls->explicit_loc.source_filename == NULL) |
05cba821 JK |
2285 | { |
2286 | const char *fullname = symtab_to_fullname (state->default_symtab); | |
2287 | ||
e93ba630 JK |
2288 | /* It may be more appropriate to keep DEFAULT_SYMTAB in its symtab |
2289 | form so that displaying SOURCE_FILENAME can follow the current | |
2290 | FILENAME_DISPLAY_STRING setting. But as it is used only rarely | |
2291 | it has been kept for code simplicity only in absolute form. */ | |
67994074 | 2292 | ls->explicit_loc.source_filename = xstrdup (fullname); |
05cba821 | 2293 | } |
40e084e1 KS |
2294 | } |
2295 | else | |
2296 | { | |
2297 | /* We haven't found any results... */ | |
2298 | return sals; | |
2299 | } | |
2300 | ||
2301 | canonicalize_linespec (state, ls); | |
2302 | ||
6c5b2ebe | 2303 | if (!sals.empty () && state->canonical != NULL) |
40e084e1 KS |
2304 | state->canonical->pre_expanded = 1; |
2305 | ||
2306 | return sals; | |
2307 | } | |
50641945 | 2308 | |
40d97ee2 PA |
2309 | /* Build RESULT from the explicit location spec components |
2310 | SOURCE_FILENAME, FUNCTION_NAME, LABEL_NAME and LINE_OFFSET. */ | |
00e52e53 | 2311 | |
a2459270 | 2312 | static void |
40d97ee2 PA |
2313 | convert_explicit_location_spec_to_linespec |
2314 | (struct linespec_state *self, | |
2315 | linespec *result, | |
2316 | const char *source_filename, | |
2317 | const char *function_name, | |
2318 | symbol_name_match_type fname_match_type, | |
2319 | const char *label_name, | |
2320 | struct line_offset line_offset) | |
00e52e53 | 2321 | { |
c2a031c5 | 2322 | std::vector<bound_minimal_symbol> minimal_symbols; |
00e52e53 | 2323 | |
a20714ff PA |
2324 | result->explicit_loc.func_name_match_type = fname_match_type; |
2325 | ||
a2459270 | 2326 | if (source_filename != NULL) |
00e52e53 | 2327 | { |
a70b8144 | 2328 | try |
00e52e53 | 2329 | { |
28a0d291 | 2330 | result->file_symtabs |
4717cec4 | 2331 | = symtabs_from_filename (source_filename, self->search_pspace); |
00e52e53 | 2332 | } |
230d2906 | 2333 | catch (const gdb_exception_error &except) |
00e52e53 | 2334 | { |
a2459270 | 2335 | source_file_not_found_error (source_filename); |
00e52e53 | 2336 | } |
a2459270 | 2337 | result->explicit_loc.source_filename = xstrdup (source_filename); |
00e52e53 KS |
2338 | } |
2339 | else | |
2340 | { | |
2341 | /* A NULL entry means to use the default symtab. */ | |
28a0d291 | 2342 | result->file_symtabs.push_back (nullptr); |
00e52e53 KS |
2343 | } |
2344 | ||
a2459270 | 2345 | if (function_name != NULL) |
00e52e53 | 2346 | { |
28a0d291 SM |
2347 | std::vector<block_symbol> symbols; |
2348 | ||
00e52e53 | 2349 | find_linespec_symbols (self, result->file_symtabs, |
a20714ff PA |
2350 | function_name, fname_match_type, |
2351 | &symbols, &minimal_symbols); | |
00e52e53 | 2352 | |
c2a031c5 | 2353 | if (symbols.empty () && minimal_symbols.empty ()) |
a2459270 | 2354 | symbol_not_found_error (function_name, |
67994074 | 2355 | result->explicit_loc.source_filename); |
00e52e53 | 2356 | |
a2459270 | 2357 | result->explicit_loc.function_name = xstrdup (function_name); |
28a0d291 SM |
2358 | result->function_symbols = std::move (symbols); |
2359 | result->minimal_symbols = std::move (minimal_symbols); | |
00e52e53 KS |
2360 | } |
2361 | ||
a2459270 | 2362 | if (label_name != NULL) |
00e52e53 | 2363 | { |
28a0d291 SM |
2364 | std::vector<block_symbol> symbols; |
2365 | std::vector<block_symbol> labels | |
2366 | = find_label_symbols (self, result->function_symbols, | |
2367 | &symbols, label_name); | |
00e52e53 | 2368 | |
28a0d291 | 2369 | if (labels.empty ()) |
67994074 | 2370 | undefined_label_error (result->explicit_loc.function_name, |
a2459270 | 2371 | label_name); |
00e52e53 | 2372 | |
a2459270 | 2373 | result->explicit_loc.label_name = xstrdup (label_name); |
00e52e53 | 2374 | result->labels.label_symbols = labels; |
28a0d291 | 2375 | result->labels.function_symbols = std::move (symbols); |
00e52e53 KS |
2376 | } |
2377 | ||
a2459270 PA |
2378 | if (line_offset.sign != LINE_OFFSET_UNKNOWN) |
2379 | result->explicit_loc.line_offset = line_offset; | |
2380 | } | |
00e52e53 | 2381 | |
a2459270 PA |
2382 | /* Convert the explicit location EXPLICIT_LOC into SaLs. */ |
2383 | ||
6c5b2ebe | 2384 | static std::vector<symtab_and_line> |
40d97ee2 PA |
2385 | convert_explicit_location_spec_to_sals |
2386 | (struct linespec_state *self, | |
2387 | linespec *result, | |
2388 | const explicit_location_spec *explicit_spec) | |
2389 | { | |
2390 | convert_explicit_location_spec_to_linespec (self, result, | |
2391 | explicit_spec->source_filename, | |
2392 | explicit_spec->function_name, | |
2393 | explicit_spec->func_name_match_type, | |
2394 | explicit_spec->label_name, | |
2395 | explicit_spec->line_offset); | |
a2459270 | 2396 | return convert_linespec_to_sals (self, result); |
00e52e53 KS |
2397 | } |
2398 | ||
40e084e1 | 2399 | /* Parse a string that specifies a linespec. |
50641945 | 2400 | |
40e084e1 | 2401 | The basic grammar of linespecs: |
50641945 | 2402 | |
a06efdd6 | 2403 | linespec -> var_spec | basic_spec |
40e084e1 | 2404 | var_spec -> '$' (STRING | NUMBER) |
50641945 | 2405 | |
40e084e1 KS |
2406 | basic_spec -> file_offset_spec | function_spec | label_spec |
2407 | file_offset_spec -> opt_file_spec offset_spec | |
2408 | function_spec -> opt_file_spec function_name_spec opt_label_spec | |
2409 | label_spec -> label_name_spec | |
50641945 | 2410 | |
40e084e1 KS |
2411 | opt_file_spec -> "" | file_name_spec ':' |
2412 | opt_label_spec -> "" | ':' label_name_spec | |
2413 | ||
2414 | file_name_spec -> STRING | |
2415 | function_name_spec -> STRING | |
2416 | label_name_spec -> STRING | |
2417 | function_name_spec -> STRING | |
2418 | offset_spec -> NUMBER | |
dda83cd7 | 2419 | -> '+' NUMBER |
40e084e1 KS |
2420 | -> '-' NUMBER |
2421 | ||
2422 | This may all be followed by several keywords such as "if EXPR", | |
2423 | which we ignore. | |
2424 | ||
2425 | A comma will terminate parsing. | |
2426 | ||
2427 | The function may be an undebuggable function found in minimal symbol table. | |
50641945 FN |
2428 | |
2429 | If the argument FUNFIRSTLINE is nonzero, we want the first line | |
2430 | of real code inside a function when a function is specified, and it is | |
2431 | not OK to specify a variable or type to get its line number. | |
2432 | ||
2433 | DEFAULT_SYMTAB specifies the file to use if none is specified. | |
2434 | It defaults to current_source_symtab. | |
2435 | DEFAULT_LINE specifies the line number to use for relative | |
2436 | line numbers (that start with signs). Defaults to current_source_line. | |
2437 | If CANONICAL is non-NULL, store an array of strings containing the canonical | |
1777feb0 | 2438 | line specs there if necessary. Currently overloaded member functions and |
50641945 | 2439 | line numbers or static functions without a filename yield a canonical |
1777feb0 | 2440 | line spec. The array and the line spec strings are allocated on the heap, |
50641945 FN |
2441 | it is the callers responsibility to free them. |
2442 | ||
2443 | Note that it is possible to return zero for the symtab | |
2444 | if no file is validly specified. Callers must check that. | |
58438ac1 | 2445 | Also, the line number returned may be invalid. */ |
50641945 | 2446 | |
8e454b9c AB |
2447 | /* Parse the linespec in ARG, which must not be nullptr. MATCH_TYPE |
2448 | indicates how function names should be matched. */ | |
50641945 | 2449 | |
6c5b2ebe | 2450 | static std::vector<symtab_and_line> |
a20714ff PA |
2451 | parse_linespec (linespec_parser *parser, const char *arg, |
2452 | symbol_name_match_type match_type) | |
50641945 | 2453 | { |
8e454b9c AB |
2454 | gdb_assert (arg != nullptr); |
2455 | ||
cc06b668 | 2456 | struct gdb_exception file_exception; |
40e084e1 KS |
2457 | |
2458 | /* A special case to start. It has become quite popular for | |
2459 | IDEs to work around bugs in the previous parser by quoting | |
2460 | the entire linespec, so we attempt to deal with this nicely. */ | |
2461 | parser->is_quote_enclosed = 0; | |
c45ec17c PA |
2462 | if (parser->completion_tracker == NULL |
2463 | && !is_ada_operator (arg) | |
8e454b9c | 2464 | && *arg != '\0' |
f00aae0f | 2465 | && strchr (linespec_quote_characters, *arg) != NULL) |
40e084e1 | 2466 | { |
8e454b9c | 2467 | const char *end = skip_quote_char (arg + 1, *arg); |
40e084e1 | 2468 | if (end != NULL && is_closing_quote_enclosed (end)) |
136e1c30 | 2469 | { |
f00aae0f | 2470 | /* Here's the special case. Skip ARG past the initial |
40e084e1 | 2471 | quote. */ |
f00aae0f | 2472 | ++arg; |
40e084e1 | 2473 | parser->is_quote_enclosed = 1; |
136e1c30 DE |
2474 | } |
2475 | } | |
e8eb7bc5 | 2476 | |
f00aae0f KS |
2477 | parser->lexer.saved_arg = arg; |
2478 | parser->lexer.stream = arg; | |
c45ec17c PA |
2479 | parser->completion_word = arg; |
2480 | parser->complete_what = linespec_complete_what::FUNCTION; | |
a20714ff | 2481 | PARSER_EXPLICIT (parser)->func_name_match_type = match_type; |
d2630e69 | 2482 | |
40e084e1 KS |
2483 | /* Initialize the default symtab and line offset. */ |
2484 | initialize_defaults (&PARSER_STATE (parser)->default_symtab, | |
2485 | &PARSER_STATE (parser)->default_line); | |
d2630e69 | 2486 | |
40e084e1 | 2487 | /* Objective-C shortcut. */ |
c45ec17c PA |
2488 | if (parser->completion_tracker == NULL) |
2489 | { | |
6c5b2ebe PA |
2490 | std::vector<symtab_and_line> values |
2491 | = decode_objc (PARSER_STATE (parser), PARSER_RESULT (parser), arg); | |
2492 | if (!values.empty ()) | |
c45ec17c PA |
2493 | return values; |
2494 | } | |
2495 | else | |
2496 | { | |
2497 | /* "-"/"+" is either an objc selector, or a number. There's | |
2498 | nothing to complete the latter to, so just let the caller | |
2499 | complete on functions, which finds objc selectors, if there's | |
2500 | any. */ | |
2501 | if ((arg[0] == '-' || arg[0] == '+') && arg[1] == '\0') | |
2502 | return {}; | |
2503 | } | |
e0881a8e | 2504 | |
40e084e1 | 2505 | /* Start parsing. */ |
d2630e69 | 2506 | |
40e084e1 | 2507 | /* Get the first token. */ |
8e454b9c | 2508 | linespec_token token = linespec_lexer_consume_token (parser); |
50641945 | 2509 | |
40e084e1 | 2510 | /* It must be either LSTOKEN_STRING or LSTOKEN_NUMBER. */ |
a06efdd6 | 2511 | if (token.type == LSTOKEN_STRING && *LS_TOKEN_STOKEN (token).ptr == '$') |
40e084e1 | 2512 | { |
40e084e1 | 2513 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
c45ec17c | 2514 | if (parser->completion_tracker == NULL) |
28a0d291 | 2515 | PARSER_RESULT (parser)->file_symtabs.push_back (nullptr); |
dcf9f4ab | 2516 | |
40e084e1 | 2517 | /* User specified a convenience variable or history value. */ |
a5b5adf5 | 2518 | gdb::unique_xmalloc_ptr<char> var = copy_token_string (token); |
00e52e53 | 2519 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 2520 | = linespec_parse_variable (PARSER_STATE (parser), var.get ()); |
f8eba3c6 | 2521 | |
40e084e1 KS |
2522 | /* If a line_offset wasn't found (VAR is the name of a user |
2523 | variable/function), then skip to normal symbol processing. */ | |
00e52e53 | 2524 | if (PARSER_EXPLICIT (parser)->line_offset.sign != LINE_OFFSET_UNKNOWN) |
40e084e1 | 2525 | { |
40e084e1 KS |
2526 | /* Consume this token. */ |
2527 | linespec_lexer_consume_token (parser); | |
dcf9f4ab | 2528 | |
40e084e1 | 2529 | goto convert_to_sals; |
50641945 | 2530 | } |
40e084e1 | 2531 | } |
c45ec17c PA |
2532 | else if (token.type == LSTOKEN_EOI && parser->completion_tracker != NULL) |
2533 | { | |
2534 | /* Let the default linespec_complete_what::FUNCTION kick in. */ | |
2535 | unexpected_linespec_error (parser); | |
2536 | } | |
40e084e1 | 2537 | else if (token.type != LSTOKEN_STRING && token.type != LSTOKEN_NUMBER) |
c45ec17c PA |
2538 | { |
2539 | parser->complete_what = linespec_complete_what::NOTHING; | |
2540 | unexpected_linespec_error (parser); | |
2541 | } | |
50641945 | 2542 | |
40e084e1 KS |
2543 | /* Shortcut: If the next token is not LSTOKEN_COLON, we know that |
2544 | this token cannot represent a filename. */ | |
2545 | token = linespec_lexer_peek_token (parser); | |
0e0b460e | 2546 | |
40e084e1 | 2547 | if (token.type == LSTOKEN_COLON) |
0e0b460e | 2548 | { |
40e084e1 KS |
2549 | /* Get the current token again and extract the filename. */ |
2550 | token = linespec_lexer_lex_one (parser); | |
a5b5adf5 | 2551 | gdb::unique_xmalloc_ptr<char> user_filename = copy_token_string (token); |
50641945 | 2552 | |
40e084e1 | 2553 | /* Check if the input is a filename. */ |
a70b8144 | 2554 | try |
40e084e1 | 2555 | { |
28a0d291 | 2556 | PARSER_RESULT (parser)->file_symtabs |
a5b5adf5 | 2557 | = symtabs_from_filename (user_filename.get (), |
c2f4122d | 2558 | PARSER_STATE (parser)->search_pspace); |
40e084e1 | 2559 | } |
94aeb44b | 2560 | catch (gdb_exception_error &ex) |
7556d4a4 | 2561 | { |
94aeb44b | 2562 | file_exception = std::move (ex); |
7556d4a4 | 2563 | } |
50641945 | 2564 | |
40e084e1 KS |
2565 | if (file_exception.reason >= 0) |
2566 | { | |
2567 | /* Symtabs were found for the file. Record the filename. */ | |
a5b5adf5 | 2568 | PARSER_EXPLICIT (parser)->source_filename = user_filename.release (); |
f8eba3c6 | 2569 | |
40e084e1 KS |
2570 | /* Get the next token. */ |
2571 | token = linespec_lexer_consume_token (parser); | |
50641945 | 2572 | |
40e084e1 KS |
2573 | /* This is LSTOKEN_COLON; consume it. */ |
2574 | linespec_lexer_consume_token (parser); | |
2575 | } | |
2576 | else | |
2577 | { | |
40e084e1 | 2578 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
28a0d291 | 2579 | PARSER_RESULT (parser)->file_symtabs.push_back (nullptr); |
40e084e1 | 2580 | } |
50641945 | 2581 | } |
40e084e1 | 2582 | /* If the next token is not EOI, KEYWORD, or COMMA, issue an error. */ |
c45ec17c PA |
2583 | else if (parser->completion_tracker == NULL |
2584 | && (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD | |
2585 | && token.type != LSTOKEN_COMMA)) | |
d2630e69 | 2586 | { |
40e084e1 KS |
2587 | /* TOKEN is the _next_ token, not the one currently in the parser. |
2588 | Consuming the token will give the correct error message. */ | |
2589 | linespec_lexer_consume_token (parser); | |
2590 | unexpected_linespec_error (parser); | |
d2630e69 | 2591 | } |
50641945 FN |
2592 | else |
2593 | { | |
40e084e1 | 2594 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
28a0d291 | 2595 | PARSER_RESULT (parser)->file_symtabs.push_back (nullptr); |
50641945 | 2596 | } |
50641945 | 2597 | |
40e084e1 KS |
2598 | /* Parse the rest of the linespec. */ |
2599 | linespec_parse_basic (parser); | |
50641945 | 2600 | |
c45ec17c | 2601 | if (parser->completion_tracker == NULL |
28a0d291 SM |
2602 | && PARSER_RESULT (parser)->function_symbols.empty () |
2603 | && PARSER_RESULT (parser)->labels.label_symbols.empty () | |
00e52e53 | 2604 | && PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN |
28a0d291 | 2605 | && PARSER_RESULT (parser)->minimal_symbols.empty ()) |
f8eba3c6 | 2606 | { |
40e084e1 KS |
2607 | /* The linespec didn't parse. Re-throw the file exception if |
2608 | there was one. */ | |
2609 | if (file_exception.reason < 0) | |
94aeb44b | 2610 | throw_exception (std::move (file_exception)); |
0f5238ed | 2611 | |
40e084e1 | 2612 | /* Otherwise, the symbol is not found. */ |
00e52e53 KS |
2613 | symbol_not_found_error (PARSER_EXPLICIT (parser)->function_name, |
2614 | PARSER_EXPLICIT (parser)->source_filename); | |
0f5238ed TT |
2615 | } |
2616 | ||
40e084e1 | 2617 | convert_to_sals: |
9ef07c8c | 2618 | |
40e084e1 KS |
2619 | /* Get the last token and record how much of the input was parsed, |
2620 | if necessary. */ | |
2621 | token = linespec_lexer_lex_one (parser); | |
2622 | if (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD) | |
c45ec17c PA |
2623 | unexpected_linespec_error (parser); |
2624 | else if (token.type == LSTOKEN_KEYWORD) | |
2625 | { | |
2626 | /* Setup the completion word past the keyword. Lexing never | |
2627 | advances past a keyword automatically, so skip it | |
2628 | manually. */ | |
2629 | parser->completion_word | |
f1735a53 | 2630 | = skip_spaces (skip_to_space (PARSER_STREAM (parser))); |
c45ec17c PA |
2631 | parser->complete_what = linespec_complete_what::EXPRESSION; |
2632 | } | |
50641945 | 2633 | |
40e084e1 | 2634 | /* Convert the data in PARSER_RESULT to SALs. */ |
c45ec17c | 2635 | if (parser->completion_tracker == NULL) |
6c5b2ebe PA |
2636 | return convert_linespec_to_sals (PARSER_STATE (parser), |
2637 | PARSER_RESULT (parser)); | |
f8eba3c6 | 2638 | |
6c5b2ebe | 2639 | return {}; |
413dad4d | 2640 | } |
50641945 | 2641 | |
40e084e1 | 2642 | |
f8eba3c6 | 2643 | /* A constructor for linespec_state. */ |
44fe14ab | 2644 | |
f8eba3c6 TT |
2645 | static void |
2646 | linespec_state_constructor (struct linespec_state *self, | |
40e084e1 | 2647 | int flags, const struct language_defn *language, |
c2f4122d | 2648 | struct program_space *search_pspace, |
f8eba3c6 TT |
2649 | struct symtab *default_symtab, |
2650 | int default_line, | |
2651 | struct linespec_result *canonical) | |
2652 | { | |
2653 | memset (self, 0, sizeof (*self)); | |
40e084e1 | 2654 | self->language = language; |
f8eba3c6 TT |
2655 | self->funfirstline = (flags & DECODE_LINE_FUNFIRSTLINE) ? 1 : 0; |
2656 | self->list_mode = (flags & DECODE_LINE_LIST_MODE) ? 1 : 0; | |
c2f4122d | 2657 | self->search_pspace = search_pspace; |
f8eba3c6 TT |
2658 | self->default_symtab = default_symtab; |
2659 | self->default_line = default_line; | |
2660 | self->canonical = canonical; | |
2661 | self->program_space = current_program_space; | |
2662 | self->addr_set = htab_create_alloc (10, hash_address_entry, eq_address_entry, | |
2663 | xfree, xcalloc, xfree); | |
00e52e53 | 2664 | self->is_linespec = 0; |
f8eba3c6 | 2665 | } |
44fe14ab | 2666 | |
40e084e1 | 2667 | /* Initialize a new linespec parser. */ |
44fe14ab | 2668 | |
3a6ae42d TT |
2669 | linespec_parser::linespec_parser (int flags, |
2670 | const struct language_defn *language, | |
2671 | struct program_space *search_pspace, | |
2672 | struct symtab *default_symtab, | |
2673 | int default_line, | |
2674 | struct linespec_result *canonical) | |
2675 | { | |
2676 | lexer.current.type = LSTOKEN_CONSUMED; | |
3a6ae42d | 2677 | PARSER_EXPLICIT (this)->func_name_match_type |
a20714ff | 2678 | = symbol_name_match_type::WILD; |
3a6ae42d TT |
2679 | PARSER_EXPLICIT (this)->line_offset.sign = LINE_OFFSET_UNKNOWN; |
2680 | linespec_state_constructor (PARSER_STATE (this), flags, language, | |
c2f4122d | 2681 | search_pspace, |
40e084e1 KS |
2682 | default_symtab, default_line, canonical); |
2683 | } | |
2684 | ||
2685 | /* A destructor for linespec_state. */ | |
44fe14ab | 2686 | |
40e084e1 KS |
2687 | static void |
2688 | linespec_state_destructor (struct linespec_state *self) | |
2689 | { | |
f8eba3c6 | 2690 | htab_delete (self->addr_set); |
1055a3b4 | 2691 | xfree (self->canonical_names); |
f8eba3c6 | 2692 | } |
44fe14ab | 2693 | |
40e084e1 KS |
2694 | /* Delete a linespec parser. */ |
2695 | ||
3a6ae42d | 2696 | linespec_parser::~linespec_parser () |
40e084e1 | 2697 | { |
3a6ae42d | 2698 | linespec_state_destructor (PARSER_STATE (this)); |
40e084e1 KS |
2699 | } |
2700 | ||
c7c1b3e9 KS |
2701 | /* See description in linespec.h. */ |
2702 | ||
2703 | void | |
f2fc3015 | 2704 | linespec_lex_to_end (const char **stringp) |
c7c1b3e9 | 2705 | { |
c7c1b3e9 | 2706 | linespec_token token; |
c7c1b3e9 KS |
2707 | const char *orig; |
2708 | ||
2709 | if (stringp == NULL || *stringp == NULL) | |
2710 | return; | |
2711 | ||
3a6ae42d | 2712 | linespec_parser parser (0, current_language, NULL, NULL, 0, NULL); |
c7c1b3e9 KS |
2713 | parser.lexer.saved_arg = *stringp; |
2714 | PARSER_STREAM (&parser) = orig = *stringp; | |
2715 | ||
2716 | do | |
2717 | { | |
2718 | /* Stop before any comma tokens; we need it to keep it | |
2719 | as the next token in the string. */ | |
2720 | token = linespec_lexer_peek_token (&parser); | |
2721 | if (token.type == LSTOKEN_COMMA) | |
2722 | break; | |
c7c1b3e9 KS |
2723 | token = linespec_lexer_consume_token (&parser); |
2724 | } | |
2725 | while (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD); | |
2726 | ||
2727 | *stringp += PARSER_STREAM (&parser) - orig; | |
c7c1b3e9 KS |
2728 | } |
2729 | ||
c6756f62 PA |
2730 | /* See linespec.h. */ |
2731 | ||
2732 | void | |
2733 | linespec_complete_function (completion_tracker &tracker, | |
2734 | const char *function, | |
a20714ff | 2735 | symbol_name_match_type func_match_type, |
c6756f62 PA |
2736 | const char *source_filename) |
2737 | { | |
2738 | complete_symbol_mode mode = complete_symbol_mode::LINESPEC; | |
2739 | ||
2740 | if (source_filename != NULL) | |
2741 | { | |
b5ec771e PA |
2742 | collect_file_symbol_completion_matches (tracker, mode, func_match_type, |
2743 | function, function, source_filename); | |
c6756f62 PA |
2744 | } |
2745 | else | |
b5ec771e PA |
2746 | { |
2747 | collect_symbol_completion_matches (tracker, mode, func_match_type, | |
2748 | function, function); | |
2749 | ||
2750 | } | |
c6756f62 PA |
2751 | } |
2752 | ||
c45ec17c PA |
2753 | /* Helper for complete_linespec to simplify it. SOURCE_FILENAME is |
2754 | only meaningful if COMPONENT is FUNCTION. */ | |
2755 | ||
2756 | static void | |
2757 | complete_linespec_component (linespec_parser *parser, | |
2758 | completion_tracker &tracker, | |
2759 | const char *text, | |
2760 | linespec_complete_what component, | |
2761 | const char *source_filename) | |
2762 | { | |
2763 | if (component == linespec_complete_what::KEYWORD) | |
2764 | { | |
2765 | complete_on_enum (tracker, linespec_keywords, text, text); | |
2766 | } | |
2767 | else if (component == linespec_complete_what::EXPRESSION) | |
2768 | { | |
2769 | const char *word | |
2770 | = advance_to_expression_complete_word_point (tracker, text); | |
2771 | complete_expression (tracker, text, word); | |
2772 | } | |
2773 | else if (component == linespec_complete_what::FUNCTION) | |
2774 | { | |
2775 | completion_list fn_list; | |
2776 | ||
a20714ff PA |
2777 | symbol_name_match_type match_type |
2778 | = PARSER_EXPLICIT (parser)->func_name_match_type; | |
2779 | linespec_complete_function (tracker, text, match_type, source_filename); | |
c45ec17c PA |
2780 | if (source_filename == NULL) |
2781 | { | |
2782 | /* Haven't seen a source component, like in "b | |
2783 | file.c:function[TAB]". Maybe this wasn't a function, but | |
2784 | a filename instead, like "b file.[TAB]". */ | |
2785 | fn_list = complete_source_filenames (text); | |
2786 | } | |
2787 | ||
2788 | /* If we only have a single filename completion, append a ':' for | |
2789 | the user, since that's the only thing that can usefully follow | |
2790 | the filename. */ | |
2791 | if (fn_list.size () == 1 && !tracker.have_completions ()) | |
2792 | { | |
2793 | char *fn = fn_list[0].release (); | |
2794 | ||
2795 | /* If we also need to append a quote char, it needs to be | |
2796 | appended before the ':'. Append it now, and make ':' the | |
2797 | new "quote" char. */ | |
2798 | if (tracker.quote_char ()) | |
2799 | { | |
896a7aa6 | 2800 | char quote_char_str[2] = { (char) tracker.quote_char () }; |
c45ec17c PA |
2801 | |
2802 | fn = reconcat (fn, fn, quote_char_str, (char *) NULL); | |
2803 | tracker.set_quote_char (':'); | |
2804 | } | |
2805 | else | |
2806 | fn = reconcat (fn, fn, ":", (char *) NULL); | |
2807 | fn_list[0].reset (fn); | |
2808 | ||
2809 | /* Tell readline to skip appending a space. */ | |
2810 | tracker.set_suppress_append_ws (true); | |
2811 | } | |
2812 | tracker.add_completions (std::move (fn_list)); | |
2813 | } | |
2814 | } | |
2815 | ||
a2459270 PA |
2816 | /* Helper for linespec_complete_label. Find labels that match |
2817 | LABEL_NAME in the function symbols listed in the PARSER, and add | |
2818 | them to the tracker. */ | |
2819 | ||
2820 | static void | |
2821 | complete_label (completion_tracker &tracker, | |
2822 | linespec_parser *parser, | |
2823 | const char *label_name) | |
2824 | { | |
7e41c8db | 2825 | std::vector<block_symbol> label_function_symbols; |
28a0d291 | 2826 | std::vector<block_symbol> labels |
a2459270 PA |
2827 | = find_label_symbols (PARSER_STATE (parser), |
2828 | PARSER_RESULT (parser)->function_symbols, | |
2829 | &label_function_symbols, | |
2830 | label_name, true); | |
2831 | ||
28a0d291 | 2832 | for (const auto &label : labels) |
a2459270 | 2833 | { |
28a0d291 SM |
2834 | char *match = xstrdup (label.symbol->search_name ()); |
2835 | tracker.add_completion (gdb::unique_xmalloc_ptr<char> (match)); | |
a2459270 | 2836 | } |
a2459270 PA |
2837 | } |
2838 | ||
2839 | /* See linespec.h. */ | |
2840 | ||
2841 | void | |
2842 | linespec_complete_label (completion_tracker &tracker, | |
2843 | const struct language_defn *language, | |
2844 | const char *source_filename, | |
2845 | const char *function_name, | |
a20714ff | 2846 | symbol_name_match_type func_name_match_type, |
a2459270 PA |
2847 | const char *label_name) |
2848 | { | |
3a6ae42d | 2849 | linespec_parser parser (0, language, NULL, NULL, 0, NULL); |
a2459270 | 2850 | |
dfea48fc | 2851 | line_offset unknown_offset; |
a2459270 | 2852 | |
a70b8144 | 2853 | try |
a2459270 | 2854 | { |
40d97ee2 PA |
2855 | convert_explicit_location_spec_to_linespec (PARSER_STATE (&parser), |
2856 | PARSER_RESULT (&parser), | |
2857 | source_filename, | |
2858 | function_name, | |
2859 | func_name_match_type, | |
2860 | NULL, unknown_offset); | |
a2459270 | 2861 | } |
230d2906 | 2862 | catch (const gdb_exception_error &ex) |
a2459270 | 2863 | { |
a2459270 PA |
2864 | return; |
2865 | } | |
a2459270 PA |
2866 | |
2867 | complete_label (tracker, &parser, label_name); | |
a2459270 PA |
2868 | } |
2869 | ||
c45ec17c PA |
2870 | /* See description in linespec.h. */ |
2871 | ||
2872 | void | |
a20714ff PA |
2873 | linespec_complete (completion_tracker &tracker, const char *text, |
2874 | symbol_name_match_type match_type) | |
c45ec17c | 2875 | { |
c45ec17c PA |
2876 | const char *orig = text; |
2877 | ||
3a6ae42d | 2878 | linespec_parser parser (0, current_language, NULL, NULL, 0, NULL); |
c45ec17c | 2879 | parser.lexer.saved_arg = text; |
a20714ff | 2880 | PARSER_EXPLICIT (&parser)->func_name_match_type = match_type; |
c45ec17c PA |
2881 | PARSER_STREAM (&parser) = text; |
2882 | ||
2883 | parser.completion_tracker = &tracker; | |
2884 | PARSER_STATE (&parser)->is_linespec = 1; | |
2885 | ||
2886 | /* Parse as much as possible. parser.completion_word will hold | |
2887 | furthest completion point we managed to parse to. */ | |
a70b8144 | 2888 | try |
c45ec17c | 2889 | { |
a20714ff | 2890 | parse_linespec (&parser, text, match_type); |
c45ec17c | 2891 | } |
230d2906 | 2892 | catch (const gdb_exception_error &except) |
c45ec17c PA |
2893 | { |
2894 | } | |
c45ec17c PA |
2895 | |
2896 | if (parser.completion_quote_char != '\0' | |
2897 | && parser.completion_quote_end != NULL | |
2898 | && parser.completion_quote_end[1] == '\0') | |
2899 | { | |
2900 | /* If completing a quoted string with the cursor right at | |
2901 | terminating quote char, complete the completion word without | |
2902 | interpretation, so that readline advances the cursor one | |
2903 | whitespace past the quote, even if there's no match. This | |
2904 | makes these cases behave the same: | |
2905 | ||
2906 | before: "b function()" | |
2907 | after: "b function() " | |
2908 | ||
2909 | before: "b 'function()'" | |
2910 | after: "b 'function()' " | |
2911 | ||
2912 | and trusts the user in this case: | |
2913 | ||
2914 | before: "b 'not_loaded_function_yet()'" | |
2915 | after: "b 'not_loaded_function_yet()' " | |
2916 | */ | |
2917 | parser.complete_what = linespec_complete_what::NOTHING; | |
2918 | parser.completion_quote_char = '\0'; | |
2919 | ||
2920 | gdb::unique_xmalloc_ptr<char> text_copy | |
2921 | (xstrdup (parser.completion_word)); | |
2922 | tracker.add_completion (std::move (text_copy)); | |
2923 | } | |
2924 | ||
2925 | tracker.set_quote_char (parser.completion_quote_char); | |
2926 | ||
2927 | if (parser.complete_what == linespec_complete_what::LABEL) | |
2928 | { | |
2929 | parser.complete_what = linespec_complete_what::NOTHING; | |
2930 | ||
2931 | const char *func_name = PARSER_EXPLICIT (&parser)->function_name; | |
2932 | ||
7e41c8db | 2933 | std::vector<block_symbol> function_symbols; |
c2a031c5 | 2934 | std::vector<bound_minimal_symbol> minimal_symbols; |
c45ec17c PA |
2935 | find_linespec_symbols (PARSER_STATE (&parser), |
2936 | PARSER_RESULT (&parser)->file_symtabs, | |
a20714ff | 2937 | func_name, match_type, |
c45ec17c PA |
2938 | &function_symbols, &minimal_symbols); |
2939 | ||
28a0d291 SM |
2940 | PARSER_RESULT (&parser)->function_symbols = std::move (function_symbols); |
2941 | PARSER_RESULT (&parser)->minimal_symbols = std::move (minimal_symbols); | |
c45ec17c PA |
2942 | |
2943 | complete_label (tracker, &parser, parser.completion_word); | |
2944 | } | |
2945 | else if (parser.complete_what == linespec_complete_what::FUNCTION) | |
2946 | { | |
2947 | /* While parsing/lexing, we didn't know whether the completion | |
2948 | word completes to a unique function/source name already or | |
2949 | not. | |
2950 | ||
2951 | E.g.: | |
2952 | "b function() <tab>" | |
2953 | may need to complete either to: | |
2954 | "b function() const" | |
2955 | or to: | |
2956 | "b function() if/thread/task" | |
2957 | ||
2958 | Or, this: | |
2959 | "b foo t" | |
2960 | may need to complete either to: | |
2961 | "b foo template_fun<T>()" | |
2962 | with "foo" being the template function's return type, or to: | |
2963 | "b foo thread/task" | |
2964 | ||
2965 | Or, this: | |
2966 | "b file<TAB>" | |
2967 | may need to complete either to a source file name: | |
2968 | "b file.c" | |
2969 | or this, also a filename, but a unique completion: | |
2970 | "b file.c:" | |
2971 | or to a function name: | |
2972 | "b file_function" | |
2973 | ||
2974 | Address that by completing assuming source or function, and | |
2975 | seeing if we find a completion that matches exactly the | |
2976 | completion word. If so, then it must be a function (see note | |
2977 | below) and we advance the completion word to the end of input | |
2978 | and switch to KEYWORD completion mode. | |
2979 | ||
2980 | Note: if we find a unique completion for a source filename, | |
2981 | then it won't match the completion word, because the LCD will | |
2982 | contain a trailing ':'. And if we're completing at or after | |
2983 | the ':', then complete_linespec_component won't try to | |
2984 | complete on source filenames. */ | |
2985 | ||
c45ec17c PA |
2986 | const char *word = parser.completion_word; |
2987 | ||
2988 | complete_linespec_component (&parser, tracker, | |
2989 | parser.completion_word, | |
2990 | linespec_complete_what::FUNCTION, | |
2991 | PARSER_EXPLICIT (&parser)->source_filename); | |
2992 | ||
2993 | parser.complete_what = linespec_complete_what::NOTHING; | |
2994 | ||
2995 | if (tracker.quote_char ()) | |
2996 | { | |
2997 | /* The function/file name was not close-quoted, so this | |
2998 | can't be a keyword. Note: complete_linespec_component | |
2999 | may have swapped the original quote char for ':' when we | |
3000 | get here, but that still indicates the same. */ | |
3001 | } | |
3002 | else if (!tracker.have_completions ()) | |
3003 | { | |
3004 | size_t key_start; | |
3005 | size_t wordlen = strlen (parser.completion_word); | |
3006 | ||
3007 | key_start | |
3008 | = string_find_incomplete_keyword_at_end (linespec_keywords, | |
3009 | parser.completion_word, | |
3010 | wordlen); | |
3011 | ||
3012 | if (key_start != -1 | |
3013 | || (wordlen > 0 | |
3014 | && parser.completion_word[wordlen - 1] == ' ')) | |
3015 | { | |
3016 | parser.completion_word += key_start; | |
3017 | parser.complete_what = linespec_complete_what::KEYWORD; | |
3018 | } | |
3019 | } | |
3020 | else if (tracker.completes_to_completion_word (word)) | |
3021 | { | |
3022 | /* Skip the function and complete on keywords. */ | |
3023 | parser.completion_word += strlen (word); | |
3024 | parser.complete_what = linespec_complete_what::KEYWORD; | |
3025 | tracker.discard_completions (); | |
3026 | } | |
3027 | } | |
3028 | ||
3029 | tracker.advance_custom_word_point_by (parser.completion_word - orig); | |
3030 | ||
3031 | complete_linespec_component (&parser, tracker, | |
3032 | parser.completion_word, | |
3033 | parser.complete_what, | |
3034 | PARSER_EXPLICIT (&parser)->source_filename); | |
3035 | ||
3036 | /* If we're past the "filename:function:label:offset" linespec, and | |
3037 | didn't find any match, then assume the user might want to create | |
3038 | a pending breakpoint anyway and offer the keyword | |
3039 | completions. */ | |
3040 | if (!parser.completion_quote_char | |
3041 | && (parser.complete_what == linespec_complete_what::FUNCTION | |
3042 | || parser.complete_what == linespec_complete_what::LABEL | |
3043 | || parser.complete_what == linespec_complete_what::NOTHING) | |
3044 | && !tracker.have_completions ()) | |
3045 | { | |
3046 | const char *end | |
3047 | = parser.completion_word + strlen (parser.completion_word); | |
3048 | ||
3049 | if (end > orig && end[-1] == ' ') | |
3050 | { | |
3051 | tracker.advance_custom_word_point_by (end - parser.completion_word); | |
3052 | ||
3053 | complete_linespec_component (&parser, tracker, end, | |
3054 | linespec_complete_what::KEYWORD, | |
3055 | NULL); | |
3056 | } | |
3057 | } | |
c45ec17c PA |
3058 | } |
3059 | ||
f00aae0f | 3060 | /* A helper function for decode_line_full and decode_line_1 to |
264f9890 | 3061 | turn LOCSPEC into std::vector<symtab_and_line>. */ |
f00aae0f | 3062 | |
6c5b2ebe | 3063 | static std::vector<symtab_and_line> |
264f9890 PA |
3064 | location_spec_to_sals (linespec_parser *parser, |
3065 | const location_spec *locspec) | |
f00aae0f | 3066 | { |
6c5b2ebe | 3067 | std::vector<symtab_and_line> result; |
f00aae0f | 3068 | |
7464aeaa | 3069 | switch (locspec->type ()) |
f00aae0f | 3070 | { |
264f9890 | 3071 | case LINESPEC_LOCATION_SPEC: |
f00aae0f | 3072 | { |
40d97ee2 | 3073 | const linespec_location_spec *ls = as_linespec_location_spec (locspec); |
00e52e53 | 3074 | PARSER_STATE (parser)->is_linespec = 1; |
40d97ee2 | 3075 | result = parse_linespec (parser, ls->spec_string, ls->match_type); |
f00aae0f KS |
3076 | } |
3077 | break; | |
3078 | ||
264f9890 | 3079 | case ADDRESS_LOCATION_SPEC: |
305e13e6 | 3080 | { |
40d97ee2 PA |
3081 | const address_location_spec *addr_spec |
3082 | = as_address_location_spec (locspec); | |
3083 | const char *addr_string = addr_spec->to_string (); | |
3084 | CORE_ADDR addr; | |
305e13e6 JB |
3085 | |
3086 | if (addr_string != NULL) | |
3087 | { | |
9be2c17a | 3088 | addr = linespec_expression_to_pc (&addr_string); |
305e13e6 | 3089 | if (PARSER_STATE (parser)->canonical != NULL) |
5c1ddcb6 | 3090 | PARSER_STATE (parser)->canonical->locspec = locspec->clone (); |
305e13e6 | 3091 | } |
40d97ee2 PA |
3092 | else |
3093 | addr = addr_spec->address; | |
305e13e6 JB |
3094 | |
3095 | result = convert_address_location_to_sals (PARSER_STATE (parser), | |
3096 | addr); | |
3097 | } | |
a06efdd6 KS |
3098 | break; |
3099 | ||
264f9890 | 3100 | case EXPLICIT_LOCATION_SPEC: |
00e52e53 | 3101 | { |
40d97ee2 PA |
3102 | const explicit_location_spec *explicit_locspec |
3103 | = as_explicit_location_spec (locspec); | |
3104 | result = convert_explicit_location_spec_to_sals (PARSER_STATE (parser), | |
3105 | PARSER_RESULT (parser), | |
3106 | explicit_locspec); | |
00e52e53 KS |
3107 | } |
3108 | break; | |
3109 | ||
264f9890 | 3110 | case PROBE_LOCATION_SPEC: |
5b56227b KS |
3111 | /* Probes are handled by their own decoders. */ |
3112 | gdb_assert_not_reached ("attempt to decode probe location"); | |
3113 | break; | |
3114 | ||
f00aae0f | 3115 | default: |
264f9890 | 3116 | gdb_assert_not_reached ("unhandled location spec type"); |
f00aae0f KS |
3117 | } |
3118 | ||
3119 | return result; | |
3120 | } | |
3121 | ||
f8eba3c6 | 3122 | /* See linespec.h. */ |
44fe14ab | 3123 | |
f8eba3c6 | 3124 | void |
264f9890 | 3125 | decode_line_full (struct location_spec *locspec, int flags, |
c2f4122d | 3126 | struct program_space *search_pspace, |
f8eba3c6 TT |
3127 | struct symtab *default_symtab, |
3128 | int default_line, struct linespec_result *canonical, | |
3129 | const char *select_mode, | |
3130 | const char *filter) | |
44fe14ab | 3131 | { |
f73c6ece | 3132 | std::vector<const char *> filters; |
40e084e1 | 3133 | struct linespec_state *state; |
f8eba3c6 TT |
3134 | |
3135 | gdb_assert (canonical != NULL); | |
3136 | /* The filter only makes sense for 'all'. */ | |
3137 | gdb_assert (filter == NULL || select_mode == multiple_symbols_all); | |
3138 | gdb_assert (select_mode == NULL | |
3139 | || select_mode == multiple_symbols_all | |
3140 | || select_mode == multiple_symbols_ask | |
3141 | || select_mode == multiple_symbols_cancel); | |
3142 | gdb_assert ((flags & DECODE_LINE_LIST_MODE) == 0); | |
3143 | ||
3a6ae42d TT |
3144 | linespec_parser parser (flags, current_language, |
3145 | search_pspace, default_symtab, | |
3146 | default_line, canonical); | |
5ed8105e PA |
3147 | |
3148 | scoped_restore_current_program_space restore_pspace; | |
f8eba3c6 | 3149 | |
264f9890 PA |
3150 | std::vector<symtab_and_line> result = location_spec_to_sals (&parser, |
3151 | locspec); | |
40e084e1 | 3152 | state = PARSER_STATE (&parser); |
f8eba3c6 | 3153 | |
626d2320 TV |
3154 | if (result.size () == 0) |
3155 | throw_error (NOT_SUPPORTED_ERROR, _("Location %s not available"), | |
709438c7 | 3156 | locspec->to_string ()); |
626d2320 | 3157 | |
6c5b2ebe | 3158 | gdb_assert (result.size () == 1 || canonical->pre_expanded); |
f8eba3c6 TT |
3159 | canonical->pre_expanded = 1; |
3160 | ||
66f1999b | 3161 | /* Arrange for allocated canonical names to be freed. */ |
3a6ae42d TT |
3162 | std::vector<gdb::unique_xmalloc_ptr<char>> hold_names; |
3163 | for (int i = 0; i < result.size (); ++i) | |
f8eba3c6 | 3164 | { |
3a6ae42d TT |
3165 | gdb_assert (state->canonical_names[i].suffix != NULL); |
3166 | hold_names.emplace_back (state->canonical_names[i].suffix); | |
f8eba3c6 TT |
3167 | } |
3168 | ||
3169 | if (select_mode == NULL) | |
3170 | { | |
29f94340 | 3171 | if (top_level_interpreter ()->interp_ui_out ()->is_mi_like_p ()) |
f8eba3c6 TT |
3172 | select_mode = multiple_symbols_all; |
3173 | else | |
3174 | select_mode = multiple_symbols_select_mode (); | |
3175 | } | |
3176 | ||
3177 | if (select_mode == multiple_symbols_all) | |
3178 | { | |
3179 | if (filter != NULL) | |
3180 | { | |
f73c6ece | 3181 | filters.push_back (filter); |
40e084e1 | 3182 | filter_results (state, &result, filters); |
f8eba3c6 TT |
3183 | } |
3184 | else | |
40e084e1 | 3185 | convert_results_to_lsals (state, &result); |
f8eba3c6 TT |
3186 | } |
3187 | else | |
40e084e1 | 3188 | decode_line_2 (state, &result, select_mode); |
f8eba3c6 TT |
3189 | } |
3190 | ||
39cf75f7 DE |
3191 | /* See linespec.h. */ |
3192 | ||
6c5b2ebe | 3193 | std::vector<symtab_and_line> |
264f9890 | 3194 | decode_line_1 (const location_spec *locspec, int flags, |
c2f4122d | 3195 | struct program_space *search_pspace, |
f8eba3c6 TT |
3196 | struct symtab *default_symtab, |
3197 | int default_line) | |
3198 | { | |
3a6ae42d TT |
3199 | linespec_parser parser (flags, current_language, |
3200 | search_pspace, default_symtab, | |
3201 | default_line, NULL); | |
5ed8105e PA |
3202 | |
3203 | scoped_restore_current_program_space restore_pspace; | |
f8eba3c6 | 3204 | |
264f9890 | 3205 | return location_spec_to_sals (&parser, locspec); |
f8eba3c6 TT |
3206 | } |
3207 | ||
39cf75f7 DE |
3208 | /* See linespec.h. */ |
3209 | ||
6c5b2ebe | 3210 | std::vector<symtab_and_line> |
f2fc3015 | 3211 | decode_line_with_current_source (const char *string, int flags) |
39cf75f7 | 3212 | { |
39cf75f7 DE |
3213 | if (string == 0) |
3214 | error (_("Empty line specification.")); | |
3215 | ||
3216 | /* We use whatever is set as the current source line. We do not try | |
3217 | and get a default source symtab+line or it will recursively call us! */ | |
6c5b2ebe | 3218 | symtab_and_line cursal = get_current_source_symtab_and_line (); |
39cf75f7 | 3219 | |
264f9890 PA |
3220 | location_spec_up locspec = string_to_location_spec (&string, |
3221 | current_language); | |
6c5b2ebe | 3222 | std::vector<symtab_and_line> sals |
264f9890 | 3223 | = decode_line_1 (locspec.get (), flags, NULL, cursal.symtab, cursal.line); |
39cf75f7 DE |
3224 | |
3225 | if (*string) | |
3226 | error (_("Junk at end of line specification: %s"), string); | |
f00aae0f | 3227 | |
39cf75f7 DE |
3228 | return sals; |
3229 | } | |
3230 | ||
3231 | /* See linespec.h. */ | |
3232 | ||
6c5b2ebe | 3233 | std::vector<symtab_and_line> |
f2fc3015 | 3234 | decode_line_with_last_displayed (const char *string, int flags) |
39cf75f7 | 3235 | { |
39cf75f7 DE |
3236 | if (string == 0) |
3237 | error (_("Empty line specification.")); | |
3238 | ||
264f9890 PA |
3239 | location_spec_up locspec = string_to_location_spec (&string, |
3240 | current_language); | |
6c5b2ebe PA |
3241 | std::vector<symtab_and_line> sals |
3242 | = (last_displayed_sal_is_valid () | |
264f9890 | 3243 | ? decode_line_1 (locspec.get (), flags, NULL, |
6c5b2ebe PA |
3244 | get_last_displayed_symtab (), |
3245 | get_last_displayed_line ()) | |
264f9890 | 3246 | : decode_line_1 (locspec.get (), flags, NULL, NULL, 0)); |
39cf75f7 DE |
3247 | |
3248 | if (*string) | |
3249 | error (_("Junk at end of line specification: %s"), string); | |
f00aae0f | 3250 | |
39cf75f7 DE |
3251 | return sals; |
3252 | } | |
3253 | ||
f8eba3c6 TT |
3254 | \f |
3255 | ||
85102364 | 3256 | /* First, some functions to initialize stuff at the beginning of the |
f8eba3c6 TT |
3257 | function. */ |
3258 | ||
3259 | static void | |
3260 | initialize_defaults (struct symtab **default_symtab, int *default_line) | |
3261 | { | |
3262 | if (*default_symtab == 0) | |
3263 | { | |
3264 | /* Use whatever we have for the default source line. We don't use | |
dda83cd7 | 3265 | get_current_or_default_symtab_and_line as it can recurse and call |
f8eba3c6 TT |
3266 | us back! */ |
3267 | struct symtab_and_line cursal = | |
3268 | get_current_source_symtab_and_line (); | |
3269 | ||
3270 | *default_symtab = cursal.symtab; | |
3271 | *default_line = cursal.line; | |
3272 | } | |
3273 | } | |
3274 | ||
3275 | \f | |
3276 | ||
40e084e1 KS |
3277 | /* Evaluate the expression pointed to by EXP_PTR into a CORE_ADDR, |
3278 | advancing EXP_PTR past any parsed text. */ | |
f8eba3c6 | 3279 | |
a06efdd6 | 3280 | CORE_ADDR |
bbc13ae3 | 3281 | linespec_expression_to_pc (const char **exp_ptr) |
f8eba3c6 | 3282 | { |
f8eba3c6 TT |
3283 | if (current_program_space->executing_startup) |
3284 | /* The error message doesn't really matter, because this case | |
3285 | should only hit during breakpoint reset. */ | |
3286 | throw_error (NOT_FOUND_ERROR, _("cannot evaluate expressions while " | |
3287 | "program space is in startup")); | |
3288 | ||
40e084e1 KS |
3289 | (*exp_ptr)++; |
3290 | return value_as_address (parse_to_comma_and_eval (exp_ptr)); | |
0960f083 DC |
3291 | } |
3292 | ||
3293 | \f | |
3294 | ||
d2630e69 AF |
3295 | /* Here's where we recognise an Objective-C Selector. An Objective C |
3296 | selector may be implemented by more than one class, therefore it | |
3297 | may represent more than one method/function. This gives us a | |
3298 | situation somewhat analogous to C++ overloading. If there's more | |
3299 | than one method that could represent the selector, then use some of | |
3300 | the existing C++ code to let the user choose one. */ | |
3301 | ||
6c5b2ebe | 3302 | static std::vector<symtab_and_line> |
1487a14e | 3303 | decode_objc (struct linespec_state *self, linespec *ls, const char *arg) |
d2630e69 | 3304 | { |
f8eba3c6 | 3305 | struct collect_info info; |
9b2f8581 | 3306 | std::vector<const char *> symbol_names; |
d7561cbb | 3307 | const char *new_argptr; |
f8eba3c6 TT |
3308 | |
3309 | info.state = self; | |
2a908241 KS |
3310 | std::vector<symtab *> symtabs; |
3311 | symtabs.push_back (nullptr); | |
3312 | ||
3313 | info.file_symtabs = &symtabs; | |
7243d011 | 3314 | |
7e41c8db | 3315 | std::vector<block_symbol> symbols; |
7243d011 | 3316 | info.result.symbols = &symbols; |
c2a031c5 KS |
3317 | std::vector<bound_minimal_symbol> minimal_symbols; |
3318 | info.result.minimal_symbols = &minimal_symbols; | |
f8eba3c6 | 3319 | |
f00aae0f | 3320 | new_argptr = find_imps (arg, &symbol_names); |
9b2f8581 | 3321 | if (symbol_names.empty ()) |
2a908241 | 3322 | return {}; |
d2630e69 | 3323 | |
56d87ef7 PA |
3324 | add_all_symbol_names_from_pspace (&info, NULL, symbol_names, |
3325 | FUNCTIONS_DOMAIN); | |
d2630e69 | 3326 | |
6c5b2ebe | 3327 | std::vector<symtab_and_line> values; |
c2a031c5 | 3328 | if (!symbols.empty () || !minimal_symbols.empty ()) |
d2630e69 | 3329 | { |
f8eba3c6 | 3330 | char *saved_arg; |
d2630e69 | 3331 | |
224c3ddb | 3332 | saved_arg = (char *) alloca (new_argptr - arg + 1); |
f00aae0f KS |
3333 | memcpy (saved_arg, arg, new_argptr - arg); |
3334 | saved_arg[new_argptr - arg] = '\0'; | |
d2630e69 | 3335 | |
67994074 | 3336 | ls->explicit_loc.function_name = xstrdup (saved_arg); |
28a0d291 SM |
3337 | ls->function_symbols = std::move (symbols); |
3338 | ls->minimal_symbols = std::move (minimal_symbols); | |
40e084e1 KS |
3339 | values = convert_linespec_to_sals (self, ls); |
3340 | ||
f8eba3c6 | 3341 | if (self->canonical) |
d2630e69 | 3342 | { |
f2fc3015 TT |
3343 | std::string holder; |
3344 | const char *str; | |
f00aae0f | 3345 | |
f8eba3c6 | 3346 | self->canonical->pre_expanded = 1; |
f00aae0f | 3347 | |
67994074 | 3348 | if (ls->explicit_loc.source_filename) |
f00aae0f | 3349 | { |
f2fc3015 TT |
3350 | holder = string_printf ("%s:%s", |
3351 | ls->explicit_loc.source_filename, | |
3352 | saved_arg); | |
3353 | str = holder.c_str (); | |
f00aae0f | 3354 | } |
f8eba3c6 | 3355 | else |
f2fc3015 | 3356 | str = saved_arg; |
f00aae0f | 3357 | |
264f9890 PA |
3358 | self->canonical->locspec |
3359 | = new_linespec_location_spec (&str, symbol_name_match_type::FULL); | |
d2630e69 | 3360 | } |
d2630e69 AF |
3361 | } |
3362 | ||
40e084e1 | 3363 | return values; |
f8eba3c6 | 3364 | } |
c00f8484 | 3365 | |
ffdbe864 YQ |
3366 | namespace { |
3367 | ||
14bc53a8 PA |
3368 | /* A function object that serves as symbol_found_callback_ftype |
3369 | callback for iterate_over_symbols. This is used by | |
3370 | lookup_prefix_sym to collect type symbols. */ | |
3371 | class decode_compound_collector | |
f8eba3c6 | 3372 | { |
14bc53a8 | 3373 | public: |
fc4007c9 | 3374 | decode_compound_collector () |
7a8a5d47 TT |
3375 | : m_unique_syms (htab_create_alloc (1, htab_hash_pointer, |
3376 | htab_eq_pointer, NULL, | |
3377 | xcalloc, xfree)) | |
fc4007c9 | 3378 | { |
fc4007c9 | 3379 | } |
3a93a0c2 | 3380 | |
4dedf84d | 3381 | /* Return all symbols collected. */ |
7e41c8db | 3382 | std::vector<block_symbol> release_symbols () |
14bc53a8 | 3383 | { |
4dedf84d | 3384 | return std::move (m_symbols); |
14bc53a8 | 3385 | } |
c00f8484 | 3386 | |
14bc53a8 | 3387 | /* Callable as a symbol_found_callback_ftype callback. */ |
7e41c8db | 3388 | bool operator () (block_symbol *bsym); |
14bc53a8 PA |
3389 | |
3390 | private: | |
3391 | /* A hash table of all symbols we found. We use this to avoid | |
3392 | adding any symbol more than once. */ | |
7a8a5d47 | 3393 | htab_up m_unique_syms; |
14bc53a8 PA |
3394 | |
3395 | /* The result vector. */ | |
7e41c8db | 3396 | std::vector<block_symbol> m_symbols; |
14bc53a8 PA |
3397 | }; |
3398 | ||
3399 | bool | |
7e41c8db | 3400 | decode_compound_collector::operator () (block_symbol *bsym) |
f8eba3c6 | 3401 | { |
f8eba3c6 TT |
3402 | void **slot; |
3403 | struct type *t; | |
7e41c8db | 3404 | struct symbol *sym = bsym->symbol; |
614b3b14 | 3405 | |
66d7f48f | 3406 | if (sym->aclass () != LOC_TYPEDEF) |
14bc53a8 | 3407 | return true; /* Continue iterating. */ |
f8eba3c6 | 3408 | |
5f9c5a63 | 3409 | t = sym->type (); |
f168693b | 3410 | t = check_typedef (t); |
78134374 SM |
3411 | if (t->code () != TYPE_CODE_STRUCT |
3412 | && t->code () != TYPE_CODE_UNION | |
3413 | && t->code () != TYPE_CODE_NAMESPACE) | |
14bc53a8 | 3414 | return true; /* Continue iterating. */ |
614b3b14 | 3415 | |
7a8a5d47 | 3416 | slot = htab_find_slot (m_unique_syms.get (), sym, INSERT); |
f8eba3c6 TT |
3417 | if (!*slot) |
3418 | { | |
3419 | *slot = sym; | |
7e41c8db | 3420 | m_symbols.push_back (*bsym); |
f8eba3c6 TT |
3421 | } |
3422 | ||
14bc53a8 | 3423 | return true; /* Continue iterating. */ |
f8eba3c6 | 3424 | } |
93d91629 | 3425 | |
ffdbe864 YQ |
3426 | } // namespace |
3427 | ||
40e084e1 | 3428 | /* Return any symbols corresponding to CLASS_NAME in FILE_SYMTABS. */ |
93d91629 | 3429 | |
7e41c8db | 3430 | static std::vector<block_symbol> |
2a908241 | 3431 | lookup_prefix_sym (struct linespec_state *state, |
28a0d291 | 3432 | const std::vector<symtab *> &file_symtabs, |
40e084e1 | 3433 | const char *class_name) |
93d91629 | 3434 | { |
14bc53a8 | 3435 | decode_compound_collector collector; |
e0881a8e | 3436 | |
b5ec771e PA |
3437 | lookup_name_info lookup_name (class_name, symbol_name_match_type::FULL); |
3438 | ||
28a0d291 | 3439 | for (const auto &elt : file_symtabs) |
f8eba3c6 | 3440 | { |
2a908241 | 3441 | if (elt == nullptr) |
f8eba3c6 | 3442 | { |
b5ec771e | 3443 | iterate_over_all_matching_symtabs (state, lookup_name, |
56d87ef7 PA |
3444 | STRUCT_DOMAIN, ALL_DOMAIN, |
3445 | NULL, false, collector); | |
b5ec771e | 3446 | iterate_over_all_matching_symtabs (state, lookup_name, |
56d87ef7 PA |
3447 | VAR_DOMAIN, ALL_DOMAIN, |
3448 | NULL, false, collector); | |
f8eba3c6 TT |
3449 | } |
3450 | else | |
3451 | { | |
f8eba3c6 TT |
3452 | /* Program spaces that are executing startup should have |
3453 | been filtered out earlier. */ | |
7678d130 SM |
3454 | program_space *pspace = elt->compunit ()->objfile ()->pspace; |
3455 | ||
3456 | gdb_assert (!pspace->executing_startup); | |
3457 | set_current_program_space (pspace); | |
b5ec771e PA |
3458 | iterate_over_file_blocks (elt, lookup_name, STRUCT_DOMAIN, collector); |
3459 | iterate_over_file_blocks (elt, lookup_name, VAR_DOMAIN, collector); | |
1e5a1abc KS |
3460 | } |
3461 | } | |
3462 | ||
14bc53a8 | 3463 | return collector.release_symbols (); |
93d91629 DC |
3464 | } |
3465 | ||
7243d011 KS |
3466 | /* A std::sort comparison function for symbols. The resulting order does |
3467 | not actually matter; we just need to be able to sort them so that | |
3468 | symbols with the same program space end up next to each other. */ | |
3469 | ||
3470 | static bool | |
7e41c8db | 3471 | compare_symbols (const block_symbol &a, const block_symbol &b) |
7243d011 KS |
3472 | { |
3473 | uintptr_t uia, uib; | |
3474 | ||
4206d69e TT |
3475 | uia = (uintptr_t) a.symbol->symtab ()->compunit ()->objfile ()->pspace; |
3476 | uib = (uintptr_t) b.symbol->symtab ()->compunit ()->objfile ()->pspace; | |
7243d011 KS |
3477 | |
3478 | if (uia < uib) | |
3479 | return true; | |
3480 | if (uia > uib) | |
3481 | return false; | |
3482 | ||
7e41c8db KS |
3483 | uia = (uintptr_t) a.symbol; |
3484 | uib = (uintptr_t) b.symbol; | |
7243d011 KS |
3485 | |
3486 | if (uia < uib) | |
3487 | return true; | |
3488 | ||
3489 | return false; | |
3490 | } | |
3491 | ||
40e084e1 | 3492 | /* Like compare_symbols but for minimal symbols. */ |
4224873a | 3493 | |
c2a031c5 KS |
3494 | static bool |
3495 | compare_msymbols (const bound_minimal_symbol &a, const bound_minimal_symbol &b) | |
4224873a | 3496 | { |
f8eba3c6 TT |
3497 | uintptr_t uia, uib; |
3498 | ||
c2a031c5 KS |
3499 | uia = (uintptr_t) a.objfile->pspace; |
3500 | uib = (uintptr_t) a.objfile->pspace; | |
f8eba3c6 TT |
3501 | |
3502 | if (uia < uib) | |
c2a031c5 | 3503 | return true; |
f8eba3c6 | 3504 | if (uia > uib) |
c2a031c5 | 3505 | return false; |
f8eba3c6 | 3506 | |
c2a031c5 KS |
3507 | uia = (uintptr_t) a.minsym; |
3508 | uib = (uintptr_t) b.minsym; | |
f8eba3c6 TT |
3509 | |
3510 | if (uia < uib) | |
c2a031c5 | 3511 | return true; |
f8eba3c6 | 3512 | |
c2a031c5 | 3513 | return false; |
f8eba3c6 TT |
3514 | } |
3515 | ||
3516 | /* Look for all the matching instances of each symbol in NAMES. Only | |
3517 | instances from PSPACE are considered; other program spaces are | |
3518 | handled by our caller. If PSPACE is NULL, then all program spaces | |
3519 | are considered. Results are stored into INFO. */ | |
3520 | ||
3521 | static void | |
3522 | add_all_symbol_names_from_pspace (struct collect_info *info, | |
3523 | struct program_space *pspace, | |
9b2f8581 | 3524 | const std::vector<const char *> &names, |
56d87ef7 | 3525 | enum search_domain search_domain) |
f8eba3c6 | 3526 | { |
9b2f8581 | 3527 | for (const char *iter : names) |
b5ec771e PA |
3528 | add_matching_symbols_to_info (iter, |
3529 | symbol_name_match_type::FULL, | |
56d87ef7 | 3530 | search_domain, info, pspace); |
f8eba3c6 TT |
3531 | } |
3532 | ||
3533 | static void | |
8e8d776e | 3534 | find_superclass_methods (std::vector<struct type *> &&superclasses, |
b5ec771e | 3535 | const char *name, enum language name_lang, |
9b2f8581 | 3536 | std::vector<const char *> *result_names) |
f8eba3c6 | 3537 | { |
9b2f8581 | 3538 | size_t old_len = result_names->size (); |
f8eba3c6 | 3539 | |
f8eba3c6 TT |
3540 | while (1) |
3541 | { | |
8e8d776e | 3542 | std::vector<struct type *> new_supers; |
f8eba3c6 | 3543 | |
52941706 | 3544 | for (type *t : superclasses) |
b5ec771e | 3545 | find_methods (t, name_lang, name, result_names, &new_supers); |
f8eba3c6 | 3546 | |
8e8d776e | 3547 | if (result_names->size () != old_len || new_supers.empty ()) |
f8eba3c6 | 3548 | break; |
4224873a | 3549 | |
8e8d776e | 3550 | superclasses = std::move (new_supers); |
f8eba3c6 | 3551 | } |
f8eba3c6 TT |
3552 | } |
3553 | ||
40e084e1 KS |
3554 | /* This finds the method METHOD_NAME in the class CLASS_NAME whose type is |
3555 | given by one of the symbols in SYM_CLASSES. Matches are returned | |
3556 | in SYMBOLS (for debug symbols) and MINSYMS (for minimal symbols). */ | |
f8eba3c6 | 3557 | |
40e084e1 | 3558 | static void |
28a0d291 SM |
3559 | find_method (struct linespec_state *self, |
3560 | const std::vector<symtab *> &file_symtabs, | |
40e084e1 | 3561 | const char *class_name, const char *method_name, |
7e41c8db KS |
3562 | std::vector<block_symbol> *sym_classes, |
3563 | std::vector<block_symbol> *symbols, | |
c2a031c5 | 3564 | std::vector<bound_minimal_symbol> *minsyms) |
f8eba3c6 | 3565 | { |
9b2f8581 | 3566 | size_t last_result_len; |
8e8d776e | 3567 | std::vector<struct type *> superclass_vec; |
9b2f8581 | 3568 | std::vector<const char *> result_names; |
f8eba3c6 | 3569 | struct collect_info info; |
4224873a | 3570 | |
f8eba3c6 TT |
3571 | /* Sort symbols so that symbols with the same program space are next |
3572 | to each other. */ | |
4dedf84d KS |
3573 | std::sort (sym_classes->begin (), sym_classes->end (), |
3574 | compare_symbols); | |
f8eba3c6 TT |
3575 | |
3576 | info.state = self; | |
28a0d291 | 3577 | info.file_symtabs = &file_symtabs; |
7243d011 | 3578 | info.result.symbols = symbols; |
c2a031c5 | 3579 | info.result.minimal_symbols = minsyms; |
f8eba3c6 TT |
3580 | |
3581 | /* Iterate over all the types, looking for the names of existing | |
40e084e1 | 3582 | methods matching METHOD_NAME. If we cannot find a direct method in a |
f8eba3c6 TT |
3583 | given program space, then we consider inherited methods; this is |
3584 | not ideal (ideal would be to respect C++ hiding rules), but it | |
3585 | seems good enough and is what GDB has historically done. We only | |
3586 | need to collect the names because later we find all symbols with | |
3587 | those names. This loop is written in a somewhat funny way | |
3588 | because we collect data across the program space before deciding | |
3589 | what to do. */ | |
f8eba3c6 | 3590 | last_result_len = 0; |
7e41c8db | 3591 | for (const auto &elt : *sym_classes) |
f8eba3c6 TT |
3592 | { |
3593 | struct type *t; | |
3594 | struct program_space *pspace; | |
7e41c8db | 3595 | struct symbol *sym = elt.symbol; |
ea90f227 | 3596 | unsigned int ix = &elt - &*sym_classes->begin (); |
f8eba3c6 TT |
3597 | |
3598 | /* Program spaces that are executing startup should have | |
3599 | been filtered out earlier. */ | |
4206d69e | 3600 | pspace = sym->symtab ()->compunit ()->objfile ()->pspace; |
08be3fe3 | 3601 | gdb_assert (!pspace->executing_startup); |
f8eba3c6 | 3602 | set_current_program_space (pspace); |
5f9c5a63 | 3603 | t = check_typedef (sym->type ()); |
c1b5c1eb | 3604 | find_methods (t, sym->language (), |
b5ec771e | 3605 | method_name, &result_names, &superclass_vec); |
f8eba3c6 TT |
3606 | |
3607 | /* Handle all items from a single program space at once; and be | |
3608 | sure not to miss the last batch. */ | |
4dedf84d | 3609 | if (ix == sym_classes->size () - 1 |
f8eba3c6 | 3610 | || (pspace |
4206d69e | 3611 | != (sym_classes->at (ix + 1).symbol->symtab () |
7678d130 | 3612 | ->compunit ()->objfile ()->pspace))) |
4224873a | 3613 | { |
f8eba3c6 TT |
3614 | /* If we did not find a direct implementation anywhere in |
3615 | this program space, consider superclasses. */ | |
9b2f8581 | 3616 | if (result_names.size () == last_result_len) |
8e8d776e | 3617 | find_superclass_methods (std::move (superclass_vec), method_name, |
c1b5c1eb | 3618 | sym->language (), &result_names); |
f8eba3c6 TT |
3619 | |
3620 | /* We have a list of candidate symbol names, so now we | |
3621 | iterate over the symbol tables looking for all | |
3622 | matches in this pspace. */ | |
56d87ef7 PA |
3623 | add_all_symbol_names_from_pspace (&info, pspace, result_names, |
3624 | FUNCTIONS_DOMAIN); | |
f8eba3c6 | 3625 | |
8e8d776e | 3626 | superclass_vec.clear (); |
9b2f8581 | 3627 | last_result_len = result_names.size (); |
4224873a | 3628 | } |
4224873a | 3629 | } |
f8eba3c6 | 3630 | |
c2a031c5 KS |
3631 | if (!symbols->empty () || !minsyms->empty ()) |
3632 | return; | |
f8eba3c6 | 3633 | |
40e084e1 KS |
3634 | /* Throw an NOT_FOUND_ERROR. This will be caught by the caller |
3635 | and other attempts to locate the symbol will be made. */ | |
3636 | throw_error (NOT_FOUND_ERROR, _("see caller, this text doesn't matter")); | |
f8eba3c6 TT |
3637 | } |
3638 | ||
3639 | \f | |
3640 | ||
ffdbe864 YQ |
3641 | namespace { |
3642 | ||
14bc53a8 PA |
3643 | /* This function object is a callback for iterate_over_symtabs, used |
3644 | when collecting all matching symtabs. */ | |
f8eba3c6 | 3645 | |
14bc53a8 | 3646 | class symtab_collector |
f8eba3c6 | 3647 | { |
14bc53a8 | 3648 | public: |
fc4007c9 | 3649 | symtab_collector () |
7a8a5d47 TT |
3650 | : m_symtab_table (htab_create (1, htab_hash_pointer, htab_eq_pointer, |
3651 | NULL)) | |
fc4007c9 | 3652 | { |
fc4007c9 | 3653 | } |
f8eba3c6 | 3654 | |
14bc53a8 PA |
3655 | /* Callable as a symbol_found_callback_ftype callback. */ |
3656 | bool operator () (symtab *sym); | |
f8eba3c6 | 3657 | |
4717cec4 SM |
3658 | /* Return an rvalue reference to the collected symtabs. */ |
3659 | std::vector<symtab *> &&release_symtabs () | |
14bc53a8 | 3660 | { |
2a908241 | 3661 | return std::move (m_symtabs); |
14bc53a8 PA |
3662 | } |
3663 | ||
3664 | private: | |
3665 | /* The result vector of symtabs. */ | |
4717cec4 | 3666 | std::vector<symtab *> m_symtabs; |
14bc53a8 PA |
3667 | |
3668 | /* This is used to ensure the symtabs are unique. */ | |
7a8a5d47 | 3669 | htab_up m_symtab_table; |
14bc53a8 PA |
3670 | }; |
3671 | ||
3672 | bool | |
3673 | symtab_collector::operator () (struct symtab *symtab) | |
f8eba3c6 | 3674 | { |
f8eba3c6 TT |
3675 | void **slot; |
3676 | ||
7a8a5d47 | 3677 | slot = htab_find_slot (m_symtab_table.get (), symtab, INSERT); |
f8eba3c6 | 3678 | if (!*slot) |
4224873a | 3679 | { |
f8eba3c6 | 3680 | *slot = symtab; |
4717cec4 | 3681 | m_symtabs.push_back (symtab); |
4224873a | 3682 | } |
f8eba3c6 | 3683 | |
14bc53a8 | 3684 | return false; |
4224873a DC |
3685 | } |
3686 | ||
ffdbe864 YQ |
3687 | } // namespace |
3688 | ||
2a908241 | 3689 | /* Given a file name, return a list of all matching symtabs. If |
c2f4122d PA |
3690 | SEARCH_PSPACE is not NULL, the search is restricted to just that |
3691 | program space. */ | |
f8eba3c6 | 3692 | |
4717cec4 | 3693 | static std::vector<symtab *> |
c2f4122d PA |
3694 | collect_symtabs_from_filename (const char *file, |
3695 | struct program_space *search_pspace) | |
f8eba3c6 | 3696 | { |
14bc53a8 | 3697 | symtab_collector collector; |
f8eba3c6 TT |
3698 | |
3699 | /* Find that file's data. */ | |
c2f4122d PA |
3700 | if (search_pspace == NULL) |
3701 | { | |
94c93c35 | 3702 | for (struct program_space *pspace : program_spaces) |
dda83cd7 | 3703 | { |
c2f4122d PA |
3704 | if (pspace->executing_startup) |
3705 | continue; | |
f8eba3c6 | 3706 | |
c2f4122d | 3707 | set_current_program_space (pspace); |
14bc53a8 | 3708 | iterate_over_symtabs (file, collector); |
c2f4122d PA |
3709 | } |
3710 | } | |
3711 | else | |
3712 | { | |
3713 | set_current_program_space (search_pspace); | |
14bc53a8 | 3714 | iterate_over_symtabs (file, collector); |
c2f4122d | 3715 | } |
f3c39e76 | 3716 | |
14bc53a8 | 3717 | return collector.release_symtabs (); |
f8eba3c6 TT |
3718 | } |
3719 | ||
c2f4122d PA |
3720 | /* Return all the symtabs associated to the FILENAME. If SEARCH_PSPACE is |
3721 | not NULL, the search is restricted to just that program space. */ | |
f8eba3c6 | 3722 | |
4717cec4 | 3723 | static std::vector<symtab *> |
c2f4122d PA |
3724 | symtabs_from_filename (const char *filename, |
3725 | struct program_space *search_pspace) | |
40e084e1 | 3726 | { |
4717cec4 | 3727 | std::vector<symtab *> result |
2a908241 | 3728 | = collect_symtabs_from_filename (filename, search_pspace); |
f8eba3c6 | 3729 | |
4717cec4 | 3730 | if (result.empty ()) |
f8eba3c6 | 3731 | { |
40e084e1 KS |
3732 | if (!have_full_symbols () && !have_partial_symbols ()) |
3733 | throw_error (NOT_FOUND_ERROR, | |
3734 | _("No symbol table is loaded. " | |
3735 | "Use the \"file\" command.")); | |
00e52e53 | 3736 | source_file_not_found_error (filename); |
f8eba3c6 TT |
3737 | } |
3738 | ||
40e084e1 | 3739 | return result; |
84fba31b | 3740 | } |
f3c39e76 | 3741 | |
fcaad03c KS |
3742 | /* See symtab.h. */ |
3743 | ||
3744 | void | |
3745 | symbol_searcher::find_all_symbols (const std::string &name, | |
3746 | const struct language_defn *language, | |
3747 | enum search_domain search_domain, | |
3748 | std::vector<symtab *> *search_symtabs, | |
3749 | struct program_space *search_pspace) | |
3750 | { | |
3751 | symbol_searcher_collect_info info; | |
3752 | struct linespec_state state; | |
3753 | ||
3754 | memset (&state, 0, sizeof (state)); | |
3755 | state.language = language; | |
3756 | info.state = &state; | |
3757 | ||
3758 | info.result.symbols = &m_symbols; | |
3759 | info.result.minimal_symbols = &m_minimal_symbols; | |
3760 | std::vector<symtab *> all_symtabs; | |
3761 | if (search_symtabs == nullptr) | |
3762 | { | |
3763 | all_symtabs.push_back (nullptr); | |
3764 | search_symtabs = &all_symtabs; | |
3765 | } | |
3766 | info.file_symtabs = search_symtabs; | |
3767 | ||
3768 | add_matching_symbols_to_info (name.c_str (), symbol_name_match_type::WILD, | |
3769 | search_domain, &info, search_pspace); | |
3770 | } | |
3771 | ||
40e084e1 KS |
3772 | /* Look up a function symbol named NAME in symtabs FILE_SYMTABS. Matching |
3773 | debug symbols are returned in SYMBOLS. Matching minimal symbols are | |
3774 | returned in MINSYMS. */ | |
14e91ac5 | 3775 | |
40e084e1 KS |
3776 | static void |
3777 | find_function_symbols (struct linespec_state *state, | |
28a0d291 | 3778 | const std::vector<symtab *> &file_symtabs, const char *name, |
a20714ff | 3779 | symbol_name_match_type name_match_type, |
7e41c8db | 3780 | std::vector<block_symbol> *symbols, |
c2a031c5 | 3781 | std::vector<bound_minimal_symbol> *minsyms) |
14e91ac5 | 3782 | { |
40e084e1 | 3783 | struct collect_info info; |
9b2f8581 | 3784 | std::vector<const char *> symbol_names; |
14e91ac5 | 3785 | |
40e084e1 | 3786 | info.state = state; |
7243d011 | 3787 | info.result.symbols = symbols; |
c2a031c5 | 3788 | info.result.minimal_symbols = minsyms; |
28a0d291 | 3789 | info.file_symtabs = &file_symtabs; |
e0881a8e | 3790 | |
40e084e1 | 3791 | /* Try NAME as an Objective-C selector. */ |
d7561cbb | 3792 | find_imps (name, &symbol_names); |
9b2f8581 | 3793 | if (!symbol_names.empty ()) |
c2f4122d | 3794 | add_all_symbol_names_from_pspace (&info, state->search_pspace, |
56d87ef7 | 3795 | symbol_names, FUNCTIONS_DOMAIN); |
40e084e1 | 3796 | else |
a20714ff | 3797 | add_matching_symbols_to_info (name, name_match_type, FUNCTIONS_DOMAIN, |
b5ec771e | 3798 | &info, state->search_pspace); |
40e084e1 KS |
3799 | } |
3800 | ||
3801 | /* Find all symbols named NAME in FILE_SYMTABS, returning debug symbols | |
3802 | in SYMBOLS and minimal symbols in MINSYMS. */ | |
14e91ac5 | 3803 | |
b1ae631a | 3804 | static void |
40e084e1 | 3805 | find_linespec_symbols (struct linespec_state *state, |
28a0d291 | 3806 | const std::vector<symtab *> &file_symtabs, |
b5ec771e | 3807 | const char *lookup_name, |
a20714ff | 3808 | symbol_name_match_type name_match_type, |
7e41c8db | 3809 | std::vector <block_symbol> *symbols, |
c2a031c5 | 3810 | std::vector<bound_minimal_symbol> *minsyms) |
40e084e1 | 3811 | { |
596dc4ad TT |
3812 | gdb::unique_xmalloc_ptr<char> canon |
3813 | = cp_canonicalize_string_no_typedefs (lookup_name); | |
3814 | if (canon != nullptr) | |
3815 | lookup_name = canon.get (); | |
2f408ecb | 3816 | |
cc81e1c6 DE |
3817 | /* It's important to not call expand_symtabs_matching unnecessarily |
3818 | as it can really slow things down (by unnecessarily expanding | |
3819 | potentially 1000s of symtabs, which when debugging some apps can | |
3820 | cost 100s of seconds). Avoid this to some extent by *first* calling | |
3821 | find_function_symbols, and only if that doesn't find anything | |
3822 | *then* call find_method. This handles two important cases: | |
3823 | 1) break (anonymous namespace)::foo | |
3824 | 2) break class::method where method is in class (and not a baseclass) */ | |
14e91ac5 | 3825 | |
cc81e1c6 | 3826 | find_function_symbols (state, file_symtabs, lookup_name, |
7243d011 | 3827 | name_match_type, symbols, minsyms); |
14e91ac5 | 3828 | |
cc81e1c6 DE |
3829 | /* If we were unable to locate a symbol of the same name, try dividing |
3830 | the name into class and method names and searching the class and its | |
3831 | baseclasses. */ | |
c2a031c5 | 3832 | if (symbols->empty () && minsyms->empty ()) |
40e084e1 | 3833 | { |
2f408ecb | 3834 | std::string klass, method; |
cc81e1c6 | 3835 | const char *last, *p, *scope_op; |
14e91ac5 | 3836 | |
cc81e1c6 DE |
3837 | /* See if we can find a scope operator and break this symbol |
3838 | name into namespaces${SCOPE_OPERATOR}class_name and method_name. */ | |
3839 | scope_op = "::"; | |
3840 | p = find_toplevel_string (lookup_name, scope_op); | |
14e91ac5 | 3841 | |
cc81e1c6 DE |
3842 | last = NULL; |
3843 | while (p != NULL) | |
f8eba3c6 | 3844 | { |
cc81e1c6 DE |
3845 | last = p; |
3846 | p = find_toplevel_string (p + strlen (scope_op), scope_op); | |
f8eba3c6 | 3847 | } |
14e91ac5 | 3848 | |
cc81e1c6 DE |
3849 | /* If no scope operator was found, there is nothing more we can do; |
3850 | we already attempted to lookup the entire name as a symbol | |
3851 | and failed. */ | |
3852 | if (last == NULL) | |
2f408ecb | 3853 | return; |
cc81e1c6 DE |
3854 | |
3855 | /* LOOKUP_NAME points to the class name. | |
3856 | LAST points to the method name. */ | |
2f408ecb | 3857 | klass = std::string (lookup_name, last - lookup_name); |
cc81e1c6 DE |
3858 | |
3859 | /* Skip past the scope operator. */ | |
3860 | last += strlen (scope_op); | |
2f408ecb | 3861 | method = last; |
cc81e1c6 DE |
3862 | |
3863 | /* Find a list of classes named KLASS. */ | |
7e41c8db | 3864 | std::vector<block_symbol> classes |
4dedf84d KS |
3865 | = lookup_prefix_sym (state, file_symtabs, klass.c_str ()); |
3866 | if (!classes.empty ()) | |
cc81e1c6 DE |
3867 | { |
3868 | /* Now locate a list of suitable methods named METHOD. */ | |
a70b8144 | 3869 | try |
cc81e1c6 | 3870 | { |
2f408ecb PA |
3871 | find_method (state, file_symtabs, |
3872 | klass.c_str (), method.c_str (), | |
4dedf84d | 3873 | &classes, symbols, minsyms); |
cc81e1c6 DE |
3874 | } |
3875 | ||
3876 | /* If successful, we're done. If NOT_FOUND_ERROR | |
3877 | was not thrown, rethrow the exception that we did get. */ | |
230d2906 | 3878 | catch (const gdb_exception_error &except) |
7556d4a4 PA |
3879 | { |
3880 | if (except.error != NOT_FOUND_ERROR) | |
eedc3f4f | 3881 | throw; |
7556d4a4 | 3882 | } |
cc81e1c6 | 3883 | } |
2f408ecb | 3884 | } |
14e91ac5 DC |
3885 | } |
3886 | ||
a2459270 PA |
3887 | /* Helper for find_label_symbols. Find all labels that match name |
3888 | NAME in BLOCK. Return all labels that match in FUNCTION_SYMBOLS. | |
3889 | Return the actual function symbol in which the label was found in | |
3890 | LABEL_FUNC_RET. If COMPLETION_MODE is true, then NAME is | |
3891 | interpreted as a label name prefix. Otherwise, only a label named | |
3892 | exactly NAME match. */ | |
3893 | ||
3894 | static void | |
3895 | find_label_symbols_in_block (const struct block *block, | |
3896 | const char *name, struct symbol *fn_sym, | |
3897 | bool completion_mode, | |
7e41c8db KS |
3898 | std::vector<block_symbol> *result, |
3899 | std::vector<block_symbol> *label_funcs_ret) | |
a2459270 PA |
3900 | { |
3901 | if (completion_mode) | |
3902 | { | |
3903 | struct block_iterator iter; | |
3904 | struct symbol *sym; | |
3905 | size_t name_len = strlen (name); | |
3906 | ||
3907 | int (*cmp) (const char *, const char *, size_t); | |
3908 | cmp = case_sensitivity == case_sensitive_on ? strncmp : strncasecmp; | |
3909 | ||
3910 | ALL_BLOCK_SYMBOLS (block, iter, sym) | |
3911 | { | |
c1b5c1eb | 3912 | if (symbol_matches_domain (sym->language (), |
6c9c307c | 3913 | sym->domain (), LABEL_DOMAIN) |
987012b8 | 3914 | && cmp (sym->search_name (), name, name_len) == 0) |
a2459270 | 3915 | { |
7e41c8db KS |
3916 | result->push_back ({sym, block}); |
3917 | label_funcs_ret->push_back ({fn_sym, block}); | |
a2459270 PA |
3918 | } |
3919 | } | |
3920 | } | |
3921 | else | |
3922 | { | |
7e41c8db KS |
3923 | struct block_symbol label_sym |
3924 | = lookup_symbol (name, block, LABEL_DOMAIN, 0); | |
a2459270 | 3925 | |
7e41c8db | 3926 | if (label_sym.symbol != NULL) |
a2459270 | 3927 | { |
7e41c8db KS |
3928 | result->push_back (label_sym); |
3929 | label_funcs_ret->push_back ({fn_sym, block}); | |
a2459270 PA |
3930 | } |
3931 | } | |
3932 | } | |
3933 | ||
28a0d291 | 3934 | /* Return all labels that match name NAME in FUNCTION_SYMBOLS. |
3553eadc KS |
3935 | |
3936 | Return the actual function symbol in which the label was found in | |
a2459270 PA |
3937 | LABEL_FUNC_RET. If COMPLETION_MODE is true, then NAME is |
3938 | interpreted as a label name prefix. Otherwise, only labels named | |
3939 | exactly NAME match. */ | |
0f5238ed | 3940 | |
7e41c8db | 3941 | |
28a0d291 | 3942 | static std::vector<block_symbol> |
40e084e1 | 3943 | find_label_symbols (struct linespec_state *self, |
28a0d291 | 3944 | const std::vector<block_symbol> &function_symbols, |
7e41c8db KS |
3945 | std::vector<block_symbol> *label_funcs_ret, |
3946 | const char *name, | |
a2459270 | 3947 | bool completion_mode) |
0f5238ed | 3948 | { |
3977b71f | 3949 | const struct block *block; |
40e084e1 | 3950 | struct symbol *fn_sym; |
7e41c8db | 3951 | std::vector<block_symbol> result; |
9ef07c8c | 3952 | |
28a0d291 | 3953 | if (function_symbols.empty ()) |
9ef07c8c | 3954 | { |
f8eba3c6 | 3955 | set_current_program_space (self->program_space); |
4eeaa230 | 3956 | block = get_current_search_block (); |
f8eba3c6 | 3957 | |
9ef07c8c | 3958 | for (; |
6c00f721 | 3959 | block && !block->function (); |
f135fe72 | 3960 | block = block->superblock ()) |
9ef07c8c | 3961 | ; |
28a0d291 | 3962 | |
9ef07c8c | 3963 | if (!block) |
28a0d291 SM |
3964 | return {}; |
3965 | ||
6c00f721 | 3966 | fn_sym = block->function (); |
f8eba3c6 | 3967 | |
a2459270 PA |
3968 | find_label_symbols_in_block (block, name, fn_sym, completion_mode, |
3969 | &result, label_funcs_ret); | |
40e084e1 KS |
3970 | } |
3971 | else | |
3972 | { | |
28a0d291 | 3973 | for (const auto &elt : function_symbols) |
f8eba3c6 | 3974 | { |
7e41c8db | 3975 | fn_sym = elt.symbol; |
7678d130 | 3976 | set_current_program_space |
4206d69e | 3977 | (fn_sym->symtab ()->compunit ()->objfile ()->pspace); |
4aeddc50 | 3978 | block = fn_sym->value_block (); |
40e084e1 | 3979 | |
7e41c8db | 3980 | find_label_symbols_in_block (block, name, fn_sym, completion_mode, |
a2459270 | 3981 | &result, label_funcs_ret); |
f8eba3c6 | 3982 | } |
40e084e1 | 3983 | } |
f8eba3c6 | 3984 | |
28a0d291 | 3985 | return result; |
40e084e1 | 3986 | } |
f8eba3c6 | 3987 | |
40e084e1 KS |
3988 | \f |
3989 | ||
3990 | /* A helper for create_sals_line_offset that handles the 'list_mode' case. */ | |
3991 | ||
6c5b2ebe | 3992 | static std::vector<symtab_and_line> |
40e084e1 | 3993 | decode_digits_list_mode (struct linespec_state *self, |
1487a14e | 3994 | linespec *ls, |
40e084e1 KS |
3995 | struct symtab_and_line val) |
3996 | { | |
40e084e1 KS |
3997 | gdb_assert (self->list_mode); |
3998 | ||
6c5b2ebe PA |
3999 | std::vector<symtab_and_line> values; |
4000 | ||
28a0d291 | 4001 | for (const auto &elt : ls->file_symtabs) |
40e084e1 KS |
4002 | { |
4003 | /* The logic above should ensure this. */ | |
4004 | gdb_assert (elt != NULL); | |
4005 | ||
7678d130 SM |
4006 | program_space *pspace = elt->compunit ()->objfile ()->pspace; |
4007 | set_current_program_space (pspace); | |
40e084e1 KS |
4008 | |
4009 | /* Simplistic search just for the list command. */ | |
4010 | val.symtab = find_line_symtab (elt, val.line, NULL, NULL); | |
4011 | if (val.symtab == NULL) | |
4012 | val.symtab = elt; | |
7678d130 | 4013 | val.pspace = pspace; |
40e084e1 | 4014 | val.pc = 0; |
5b0e2db4 | 4015 | val.explicit_line = true; |
40e084e1 | 4016 | |
6c5b2ebe | 4017 | add_sal_to_sals (self, &values, &val, NULL, 0); |
f8eba3c6 | 4018 | } |
6c5b2ebe PA |
4019 | |
4020 | return values; | |
40e084e1 | 4021 | } |
f8eba3c6 | 4022 | |
791b7405 AB |
4023 | /* A helper for create_sals_line_offset that iterates over the symtabs |
4024 | associated with LS and returns a vector of corresponding symtab_and_line | |
4025 | structures. */ | |
40e084e1 | 4026 | |
6c5b2ebe | 4027 | static std::vector<symtab_and_line> |
40e084e1 | 4028 | decode_digits_ordinary (struct linespec_state *self, |
1487a14e | 4029 | linespec *ls, |
40e084e1 | 4030 | int line, |
40e084e1 KS |
4031 | struct linetable_entry **best_entry) |
4032 | { | |
6c5b2ebe | 4033 | std::vector<symtab_and_line> sals; |
28a0d291 | 4034 | for (const auto &elt : ls->file_symtabs) |
f8eba3c6 | 4035 | { |
67d89901 | 4036 | std::vector<CORE_ADDR> pcs; |
40e084e1 KS |
4037 | |
4038 | /* The logic above should ensure this. */ | |
4039 | gdb_assert (elt != NULL); | |
f8eba3c6 | 4040 | |
7678d130 SM |
4041 | program_space *pspace = elt->compunit ()->objfile ()->pspace; |
4042 | set_current_program_space (pspace); | |
f8eba3c6 | 4043 | |
40e084e1 | 4044 | pcs = find_pcs_for_symtab_line (elt, line, best_entry); |
67d89901 | 4045 | for (CORE_ADDR pc : pcs) |
f8eba3c6 | 4046 | { |
51abb421 | 4047 | symtab_and_line sal; |
7678d130 | 4048 | sal.pspace = pspace; |
40e084e1 KS |
4049 | sal.symtab = elt; |
4050 | sal.line = line; | |
5b0e2db4 | 4051 | sal.explicit_line = true; |
40e084e1 | 4052 | sal.pc = pc; |
6c5b2ebe | 4053 | sals.push_back (std::move (sal)); |
f8eba3c6 TT |
4054 | } |
4055 | } | |
6c5b2ebe PA |
4056 | |
4057 | return sals; | |
40e084e1 KS |
4058 | } |
4059 | ||
4060 | \f | |
4061 | ||
4062 | /* Return the line offset represented by VARIABLE. */ | |
4063 | ||
4064 | static struct line_offset | |
4065 | linespec_parse_variable (struct linespec_state *self, const char *variable) | |
4066 | { | |
4067 | int index = 0; | |
4068 | const char *p; | |
dfea48fc | 4069 | line_offset offset; |
f8eba3c6 | 4070 | |
40e084e1 KS |
4071 | p = (variable[1] == '$') ? variable + 2 : variable + 1; |
4072 | if (*p == '$') | |
4073 | ++p; | |
4074 | while (*p >= '0' && *p <= '9') | |
4075 | ++p; | |
4076 | if (!*p) /* Reached end of token without hitting non-digit. */ | |
f8eba3c6 | 4077 | { |
40e084e1 KS |
4078 | /* We have a value history reference. */ |
4079 | struct value *val_history; | |
f8eba3c6 | 4080 | |
40e084e1 KS |
4081 | sscanf ((variable[1] == '$') ? variable + 2 : variable + 1, "%d", &index); |
4082 | val_history | |
4083 | = access_value_history ((variable[1] == '$') ? -index : index); | |
78134374 | 4084 | if (value_type (val_history)->code () != TYPE_CODE_INT) |
40e084e1 KS |
4085 | error (_("History values used in line " |
4086 | "specs must have integer values.")); | |
4087 | offset.offset = value_as_long (val_history); | |
dfea48fc | 4088 | offset.sign = LINE_OFFSET_NONE; |
40e084e1 KS |
4089 | } |
4090 | else | |
4091 | { | |
4092 | /* Not all digits -- may be user variable/function or a | |
4093 | convenience variable. */ | |
4094 | LONGEST valx; | |
4095 | struct internalvar *ivar; | |
4096 | ||
4097 | /* Try it as a convenience variable. If it is not a convenience | |
4098 | variable, return and allow normal symbol lookup to occur. */ | |
4099 | ivar = lookup_only_internalvar (variable + 1); | |
dfea48fc PA |
4100 | /* If there's no internal variable with that name, let the |
4101 | offset remain as unknown to allow the name to be looked up | |
4102 | as a symbol. */ | |
4103 | if (ivar != nullptr) | |
40e084e1 KS |
4104 | { |
4105 | /* We found a valid variable name. If it is not an integer, | |
4106 | throw an error. */ | |
4107 | if (!get_internalvar_integer (ivar, &valx)) | |
4108 | error (_("Convenience variables used in line " | |
4109 | "specs must have integer values.")); | |
4110 | else | |
dfea48fc PA |
4111 | { |
4112 | offset.offset = valx; | |
4113 | offset.sign = LINE_OFFSET_NONE; | |
4114 | } | |
40e084e1 | 4115 | } |
f8eba3c6 TT |
4116 | } |
4117 | ||
40e084e1 | 4118 | return offset; |
f8eba3c6 | 4119 | } |
40e084e1 | 4120 | \f |
f8eba3c6 | 4121 | |
40e084e1 | 4122 | /* We've found a minimal symbol MSYMBOL in OBJFILE to associate with our |
6e22494e JK |
4123 | linespec; return the SAL in RESULT. This function should return SALs |
4124 | matching those from find_function_start_sal, otherwise false | |
4125 | multiple-locations breakpoints could be placed. */ | |
f8eba3c6 TT |
4126 | |
4127 | static void | |
4128 | minsym_found (struct linespec_state *self, struct objfile *objfile, | |
4129 | struct minimal_symbol *msymbol, | |
6c5b2ebe | 4130 | std::vector<symtab_and_line> *result) |
f8eba3c6 | 4131 | { |
3467ec66 | 4132 | bool want_start_sal; |
f8eba3c6 | 4133 | |
4024cf2b | 4134 | CORE_ADDR func_addr; |
3467ec66 PA |
4135 | bool is_function = msymbol_is_function (objfile, msymbol, &func_addr); |
4136 | ||
4137 | if (is_function) | |
4138 | { | |
c9d95fa3 | 4139 | const char *msym_name = msymbol->linkage_name (); |
3467ec66 | 4140 | |
60f62e2b SM |
4141 | if (msymbol->type () == mst_text_gnu_ifunc |
4142 | || msymbol->type () == mst_data_gnu_ifunc) | |
3467ec66 PA |
4143 | want_start_sal = gnu_ifunc_resolve_name (msym_name, &func_addr); |
4144 | else | |
4145 | want_start_sal = true; | |
4146 | } | |
4147 | ||
4148 | symtab_and_line sal; | |
4149 | ||
4150 | if (is_function && want_start_sal) | |
42ddae10 | 4151 | sal = find_function_start_sal (func_addr, NULL, self->funfirstline); |
e5f25bc5 PA |
4152 | else |
4153 | { | |
4154 | sal.objfile = objfile; | |
3467ec66 PA |
4155 | sal.msymbol = msymbol; |
4156 | /* Store func_addr, not the minsym's address in case this was an | |
4157 | ifunc that hasn't been resolved yet. */ | |
4158 | if (is_function) | |
4159 | sal.pc = func_addr; | |
4160 | else | |
4aeddc50 | 4161 | sal.pc = msymbol->value_address (objfile); |
e5f25bc5 | 4162 | sal.pspace = current_program_space; |
6e22494e | 4163 | } |
f8eba3c6 | 4164 | |
ebbc3a7d | 4165 | sal.section = msymbol->obj_section (objfile); |
6b05c8bd | 4166 | |
07fea4b4 | 4167 | if (maybe_add_address (self->addr_set, objfile->pspace, sal.pc)) |
c9d95fa3 | 4168 | add_sal_to_sals (self, result, &sal, msymbol->natural_name (), 0); |
f8eba3c6 TT |
4169 | } |
4170 | ||
41c1efc6 TT |
4171 | /* Helper for search_minsyms_for_name that adds the symbol to the |
4172 | result. */ | |
39b856a4 TT |
4173 | |
4174 | static void | |
41c1efc6 TT |
4175 | add_minsym (struct minimal_symbol *minsym, struct objfile *objfile, |
4176 | struct symtab *symtab, int list_mode, | |
4177 | std::vector<struct bound_minimal_symbol> *msyms) | |
39b856a4 | 4178 | { |
41c1efc6 | 4179 | if (symtab != NULL) |
87186c6a | 4180 | { |
4024cf2b PA |
4181 | /* We're looking for a label for which we don't have debug |
4182 | info. */ | |
4183 | CORE_ADDR func_addr; | |
41c1efc6 | 4184 | if (msymbol_is_function (objfile, minsym, &func_addr)) |
4024cf2b PA |
4185 | { |
4186 | symtab_and_line sal = find_pc_sect_line (func_addr, NULL, 0); | |
87186c6a | 4187 | |
41c1efc6 | 4188 | if (symtab != sal.symtab) |
4024cf2b PA |
4189 | return; |
4190 | } | |
87186c6a MMN |
4191 | } |
4192 | ||
4024cf2b | 4193 | /* Exclude data symbols when looking for breakpoint locations. */ |
41c1efc6 | 4194 | if (!list_mode && !msymbol_is_function (objfile, minsym)) |
4024cf2b | 4195 | return; |
095bcf5e | 4196 | |
f6b3ad54 | 4197 | msyms->emplace_back (minsym, objfile); |
ca31ab1d | 4198 | return; |
f8eba3c6 TT |
4199 | } |
4200 | ||
87186c6a | 4201 | /* Search for minimal symbols called NAME. If SEARCH_PSPACE |
f8eba3c6 | 4202 | is not NULL, the search is restricted to just that program |
87186c6a MMN |
4203 | space. |
4204 | ||
4205 | If SYMTAB is NULL, search all objfiles, otherwise | |
4206 | restrict results to the given SYMTAB. */ | |
f8eba3c6 TT |
4207 | |
4208 | static void | |
b5ec771e PA |
4209 | search_minsyms_for_name (struct collect_info *info, |
4210 | const lookup_name_info &name, | |
87186c6a MMN |
4211 | struct program_space *search_pspace, |
4212 | struct symtab *symtab) | |
f8eba3c6 | 4213 | { |
41c1efc6 | 4214 | std::vector<struct bound_minimal_symbol> minsyms; |
f8eba3c6 | 4215 | |
87186c6a MMN |
4216 | if (symtab == NULL) |
4217 | { | |
94c93c35 TT |
4218 | for (struct program_space *pspace : program_spaces) |
4219 | { | |
4220 | if (search_pspace != NULL && search_pspace != pspace) | |
4221 | continue; | |
4222 | if (pspace->executing_startup) | |
4223 | continue; | |
39b856a4 | 4224 | |
94c93c35 | 4225 | set_current_program_space (pspace); |
87186c6a | 4226 | |
94c93c35 TT |
4227 | for (objfile *objfile : current_program_space->objfiles ()) |
4228 | { | |
4229 | iterate_over_minimal_symbols (objfile, name, | |
4230 | [&] (struct minimal_symbol *msym) | |
4231 | { | |
4232 | add_minsym (msym, objfile, nullptr, | |
4233 | info->state->list_mode, | |
4234 | &minsyms); | |
4235 | return false; | |
4236 | }); | |
4237 | } | |
4238 | } | |
87186c6a MMN |
4239 | } |
4240 | else | |
f8eba3c6 | 4241 | { |
7678d130 SM |
4242 | program_space *pspace = symtab->compunit ()->objfile ()->pspace; |
4243 | ||
4244 | if (search_pspace == NULL || pspace == search_pspace) | |
87186c6a | 4245 | { |
7678d130 | 4246 | set_current_program_space (pspace); |
41c1efc6 | 4247 | iterate_over_minimal_symbols |
3c86fae3 | 4248 | (symtab->compunit ()->objfile (), name, |
41c1efc6 TT |
4249 | [&] (struct minimal_symbol *msym) |
4250 | { | |
3c86fae3 | 4251 | add_minsym (msym, symtab->compunit ()->objfile (), symtab, |
41c1efc6 | 4252 | info->state->list_mode, &minsyms); |
ca31ab1d | 4253 | return false; |
41c1efc6 | 4254 | }); |
87186c6a | 4255 | } |
9ef07c8c | 4256 | } |
39b856a4 | 4257 | |
77f2120b PA |
4258 | /* Return true if TYPE is a static symbol. */ |
4259 | auto msymbol_type_is_static = [] (enum minimal_symbol_type type) | |
41c1efc6 | 4260 | { |
77f2120b PA |
4261 | switch (type) |
4262 | { | |
4263 | case mst_file_text: | |
4264 | case mst_file_data: | |
4265 | case mst_file_bss: | |
4266 | return true; | |
4267 | default: | |
4268 | return false; | |
4269 | } | |
4270 | }; | |
39b856a4 | 4271 | |
77f2120b PA |
4272 | /* Add minsyms to the result set, but filter out trampoline symbols |
4273 | if we also found extern symbols with the same name. I.e., don't | |
4274 | set a breakpoint on both '<foo@plt>' and 'foo', assuming that | |
4275 | 'foo' is the symbol that the plt resolves to. */ | |
4276 | for (const bound_minimal_symbol &item : minsyms) | |
4277 | { | |
4278 | bool skip = false; | |
60f62e2b | 4279 | if (item.minsym->type () == mst_solib_trampoline) |
77f2120b PA |
4280 | { |
4281 | for (const bound_minimal_symbol &item2 : minsyms) | |
4282 | { | |
4283 | if (&item2 == &item) | |
4284 | continue; | |
39b856a4 | 4285 | |
77f2120b PA |
4286 | /* Trampoline symbols can only jump to exported |
4287 | symbols. */ | |
60f62e2b | 4288 | if (msymbol_type_is_static (item2.minsym->type ())) |
77f2120b | 4289 | continue; |
41c1efc6 | 4290 | |
77f2120b PA |
4291 | if (strcmp (item.minsym->linkage_name (), |
4292 | item2.minsym->linkage_name ()) != 0) | |
4293 | continue; | |
41c1efc6 | 4294 | |
77f2120b PA |
4295 | /* Found a global minsym with the same name as the |
4296 | trampoline. Don't create a location for this | |
4297 | trampoline. */ | |
4298 | skip = true; | |
4299 | break; | |
4300 | } | |
41c1efc6 | 4301 | } |
77f2120b PA |
4302 | |
4303 | if (!skip) | |
4304 | info->result.minimal_symbols->push_back (item); | |
41c1efc6 | 4305 | } |
f8eba3c6 TT |
4306 | } |
4307 | ||
4308 | /* A helper function to add all symbols matching NAME to INFO. If | |
4309 | PSPACE is not NULL, the search is restricted to just that program | |
4310 | space. */ | |
0f5238ed | 4311 | |
f8eba3c6 TT |
4312 | static void |
4313 | add_matching_symbols_to_info (const char *name, | |
b5ec771e | 4314 | symbol_name_match_type name_match_type, |
56d87ef7 | 4315 | enum search_domain search_domain, |
f8eba3c6 TT |
4316 | struct collect_info *info, |
4317 | struct program_space *pspace) | |
4318 | { | |
b5ec771e PA |
4319 | lookup_name_info lookup_name (name, name_match_type); |
4320 | ||
2a908241 | 4321 | for (const auto &elt : *info->file_symtabs) |
f8eba3c6 | 4322 | { |
2a908241 | 4323 | if (elt == nullptr) |
f8eba3c6 | 4324 | { |
b5ec771e | 4325 | iterate_over_all_matching_symtabs (info->state, lookup_name, |
56d87ef7 | 4326 | VAR_DOMAIN, search_domain, |
7e41c8db KS |
4327 | pspace, true, |
4328 | [&] (block_symbol *bsym) | |
4329 | { return info->add_symbol (bsym); }); | |
b5ec771e | 4330 | search_minsyms_for_name (info, lookup_name, pspace, NULL); |
f8eba3c6 | 4331 | } |
7678d130 | 4332 | else if (pspace == NULL || pspace == elt->compunit ()->objfile ()->pspace) |
f8eba3c6 | 4333 | { |
7243d011 | 4334 | int prev_len = info->result.symbols->size (); |
87186c6a | 4335 | |
f8eba3c6 TT |
4336 | /* Program spaces that are executing startup should have |
4337 | been filtered out earlier. */ | |
7678d130 SM |
4338 | program_space *elt_pspace = elt->compunit ()->objfile ()->pspace; |
4339 | gdb_assert (!elt_pspace->executing_startup); | |
4340 | set_current_program_space (elt_pspace); | |
b5ec771e | 4341 | iterate_over_file_blocks (elt, lookup_name, VAR_DOMAIN, |
7e41c8db KS |
4342 | [&] (block_symbol *bsym) |
4343 | { return info->add_symbol (bsym); }); | |
87186c6a MMN |
4344 | |
4345 | /* If no new symbols were found in this iteration and this symtab | |
4346 | is in assembler, we might actually be looking for a label for | |
4347 | which we don't have debug info. Check for a minimal symbol in | |
4348 | this case. */ | |
7243d011 | 4349 | if (prev_len == info->result.symbols->size () |
1ee2e9f9 | 4350 | && elt->language () == language_asm) |
b5ec771e | 4351 | search_minsyms_for_name (info, lookup_name, pspace, elt); |
f8eba3c6 TT |
4352 | } |
4353 | } | |
0f5238ed TT |
4354 | } |
4355 | ||
14e91ac5 DC |
4356 | \f |
4357 | ||
413dad4d DC |
4358 | /* Now come some functions that are called from multiple places within |
4359 | decode_line_1. */ | |
4360 | ||
f8eba3c6 TT |
4361 | static int |
4362 | symbol_to_sal (struct symtab_and_line *result, | |
4363 | int funfirstline, struct symbol *sym) | |
413dad4d | 4364 | { |
66d7f48f | 4365 | if (sym->aclass () == LOC_BLOCK) |
50641945 | 4366 | { |
f8eba3c6 TT |
4367 | *result = find_function_start_sal (sym, funfirstline); |
4368 | return 1; | |
50641945 | 4369 | } |
413dad4d DC |
4370 | else |
4371 | { | |
4aeddc50 | 4372 | if (sym->aclass () == LOC_LABEL && sym->value_address () != 0) |
413dad4d | 4373 | { |
51abb421 | 4374 | *result = {}; |
4206d69e | 4375 | result->symtab = sym->symtab (); |
06871ae8 | 4376 | result->symbol = sym; |
5d0027b9 | 4377 | result->line = sym->line (); |
4aeddc50 | 4378 | result->pc = sym->value_address (); |
7678d130 | 4379 | result->pspace = result->symtab->compunit ()->objfile ()->pspace; |
f8eba3c6 TT |
4380 | result->explicit_pc = 1; |
4381 | return 1; | |
413dad4d | 4382 | } |
62853458 | 4383 | else if (funfirstline) |
dcf9f4ab | 4384 | { |
f8eba3c6 | 4385 | /* Nothing. */ |
dcf9f4ab | 4386 | } |
5d0027b9 | 4387 | else if (sym->line () != 0) |
62853458 TT |
4388 | { |
4389 | /* We know its line number. */ | |
51abb421 | 4390 | *result = {}; |
4206d69e | 4391 | result->symtab = sym->symtab (); |
06871ae8 | 4392 | result->symbol = sym; |
5d0027b9 | 4393 | result->line = sym->line (); |
4aeddc50 | 4394 | result->pc = sym->value_address (); |
7678d130 | 4395 | result->pspace = result->symtab->compunit ()->objfile ()->pspace; |
f8eba3c6 | 4396 | return 1; |
62853458 | 4397 | } |
413dad4d | 4398 | } |
f8eba3c6 TT |
4399 | |
4400 | return 0; | |
413dad4d | 4401 | } |
50641945 | 4402 | |
16e802b9 | 4403 | linespec_result::~linespec_result () |
f8eba3c6 | 4404 | { |
6c5b2ebe PA |
4405 | for (linespec_sals &lsal : lsals) |
4406 | xfree (lsal.canonical); | |
7efd8fc2 | 4407 | } |
87f0e720 KS |
4408 | |
4409 | /* Return the quote characters permitted by the linespec parser. */ | |
4410 | ||
4411 | const char * | |
4412 | get_gdb_linespec_parser_quote_characters (void) | |
4413 | { | |
4414 | return linespec_quote_characters; | |
4415 | } |