Commit | Line | Data |
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50641945 | 1 | /* Parser for linespec for the GNU debugger, GDB. |
05ff989b | 2 | |
e2882c85 | 3 | Copyright (C) 1986-2018 Free Software Foundation, Inc. |
50641945 FN |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
50641945 FN |
10 | (at your option) any later version. |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
50641945 FN |
19 | |
20 | #include "defs.h" | |
21 | #include "symtab.h" | |
c5f0f3d0 FN |
22 | #include "frame.h" |
23 | #include "command.h" | |
50641945 FN |
24 | #include "symfile.h" |
25 | #include "objfiles.h" | |
0378c332 | 26 | #include "source.h" |
50641945 | 27 | #include "demangle.h" |
c5f0f3d0 FN |
28 | #include "value.h" |
29 | #include "completer.h" | |
015a42b4 | 30 | #include "cp-abi.h" |
12907978 | 31 | #include "cp-support.h" |
c38da1af | 32 | #include "parser-defs.h" |
fe898f56 | 33 | #include "block.h" |
d2630e69 | 34 | #include "objc-lang.h" |
b9362cc7 | 35 | #include "linespec.h" |
53c5240f | 36 | #include "language.h" |
dc67126b NR |
37 | #include "interps.h" |
38 | #include "mi/mi-cmds.h" | |
bccdca4a | 39 | #include "target.h" |
94af9270 | 40 | #include "arch-utils.h" |
c00f8484 KS |
41 | #include <ctype.h> |
42 | #include "cli/cli-utils.h" | |
731971ed | 43 | #include "filenames.h" |
f8eba3c6 | 44 | #include "ada-lang.h" |
39cf75f7 | 45 | #include "stack.h" |
f00aae0f | 46 | #include "location.h" |
14bc53a8 | 47 | #include "common/function-view.h" |
0fc21fd8 | 48 | #include "common/def-vector.h" |
41c1efc6 | 49 | #include <algorithm> |
f8eba3c6 | 50 | |
c45ec17c PA |
51 | /* An enumeration of the various things a user might attempt to |
52 | complete for a linespec location. */ | |
53 | ||
54 | enum class linespec_complete_what | |
55 | { | |
56 | /* Nothing, no possible completion. */ | |
57 | NOTHING, | |
58 | ||
59 | /* A function/method name. Due to ambiguity between | |
60 | ||
61 | (gdb) b source[TAB] | |
62 | source_file.c | |
63 | source_function | |
64 | ||
65 | this can also indicate a source filename, iff we haven't seen a | |
66 | separate source filename component, as in "b source.c:function". */ | |
67 | FUNCTION, | |
68 | ||
69 | /* A label symbol. E.g., break file.c:function:LABEL. */ | |
70 | LABEL, | |
71 | ||
72 | /* An expression. E.g., "break foo if EXPR", or "break *EXPR". */ | |
73 | EXPRESSION, | |
74 | ||
75 | /* A linespec keyword ("if"/"thread"/"task"). | |
76 | E.g., "break func threa<tab>". */ | |
77 | KEYWORD, | |
78 | }; | |
79 | ||
f8eba3c6 TT |
80 | typedef struct symbol *symbolp; |
81 | DEF_VEC_P (symbolp); | |
82 | ||
f8eba3c6 TT |
83 | /* An address entry is used to ensure that any given location is only |
84 | added to the result a single time. It holds an address and the | |
85 | program space from which the address came. */ | |
86 | ||
87 | struct address_entry | |
88 | { | |
89 | struct program_space *pspace; | |
90 | CORE_ADDR addr; | |
91 | }; | |
92 | ||
f60e2d5c | 93 | typedef struct bound_minimal_symbol bound_minimal_symbol_d; |
40e084e1 | 94 | |
f60e2d5c | 95 | DEF_VEC_O (bound_minimal_symbol_d); |
40e084e1 | 96 | |
40e084e1 KS |
97 | /* A linespec. Elements of this structure are filled in by a parser |
98 | (either parse_linespec or some other function). The structure is | |
99 | then converted into SALs by convert_linespec_to_sals. */ | |
100 | ||
101 | struct linespec | |
102 | { | |
00e52e53 | 103 | /* An explicit location describing the SaLs. */ |
67994074 | 104 | struct explicit_location explicit_loc; |
40e084e1 KS |
105 | |
106 | /* The list of symtabs to search to which to limit the search. May not | |
00e52e53 KS |
107 | be NULL. If explicit.SOURCE_FILENAME is NULL (no user-specified |
108 | filename), FILE_SYMTABS should contain one single NULL member. This | |
109 | will cause the code to use the default symtab. */ | |
ec94af83 | 110 | VEC (symtab_ptr) *file_symtabs; |
40e084e1 | 111 | |
40e084e1 KS |
112 | /* A list of matching function symbols and minimal symbols. Both lists |
113 | may be NULL if no matching symbols were found. */ | |
114 | VEC (symbolp) *function_symbols; | |
f60e2d5c | 115 | VEC (bound_minimal_symbol_d) *minimal_symbols; |
40e084e1 | 116 | |
40e084e1 KS |
117 | /* A structure of matching label symbols and the corresponding |
118 | function symbol in which the label was found. Both may be NULL | |
119 | or both must be non-NULL. */ | |
120 | struct | |
121 | { | |
122 | VEC (symbolp) *label_symbols; | |
123 | VEC (symbolp) *function_symbols; | |
124 | } labels; | |
40e084e1 KS |
125 | }; |
126 | typedef struct linespec *linespec_p; | |
127 | ||
33f448b1 JK |
128 | /* A canonical linespec represented as a symtab-related string. |
129 | ||
130 | Each entry represents the "SYMTAB:SUFFIX" linespec string. | |
131 | SYMTAB can be converted for example by symtab_to_fullname or | |
132 | symtab_to_filename_for_display as needed. */ | |
133 | ||
134 | struct linespec_canonical_name | |
135 | { | |
136 | /* Remaining text part of the linespec string. */ | |
137 | char *suffix; | |
138 | ||
139 | /* If NULL then SUFFIX is the whole linespec string. */ | |
140 | struct symtab *symtab; | |
141 | }; | |
142 | ||
f8eba3c6 TT |
143 | /* An instance of this is used to keep all state while linespec |
144 | operates. This instance is passed around as a 'this' pointer to | |
145 | the various implementation methods. */ | |
146 | ||
147 | struct linespec_state | |
148 | { | |
40e084e1 KS |
149 | /* The language in use during linespec processing. */ |
150 | const struct language_defn *language; | |
151 | ||
f8eba3c6 TT |
152 | /* The program space as seen when the module was entered. */ |
153 | struct program_space *program_space; | |
154 | ||
c2f4122d PA |
155 | /* If not NULL, the search is restricted to just this program |
156 | space. */ | |
157 | struct program_space *search_pspace; | |
158 | ||
f8eba3c6 TT |
159 | /* The default symtab to use, if no other symtab is specified. */ |
160 | struct symtab *default_symtab; | |
161 | ||
162 | /* The default line to use. */ | |
163 | int default_line; | |
164 | ||
f8eba3c6 TT |
165 | /* The 'funfirstline' value that was passed in to decode_line_1 or |
166 | decode_line_full. */ | |
167 | int funfirstline; | |
168 | ||
169 | /* Nonzero if we are running in 'list' mode; see decode_line_list. */ | |
170 | int list_mode; | |
171 | ||
172 | /* The 'canonical' value passed to decode_line_full, or NULL. */ | |
173 | struct linespec_result *canonical; | |
174 | ||
6c5b2ebe | 175 | /* Canonical strings that mirror the std::vector<symtab_and_line> result. */ |
33f448b1 | 176 | struct linespec_canonical_name *canonical_names; |
f8eba3c6 TT |
177 | |
178 | /* This is a set of address_entry objects which is used to prevent | |
179 | duplicate symbols from being entered into the result. */ | |
180 | htab_t addr_set; | |
00e52e53 KS |
181 | |
182 | /* Are we building a linespec? */ | |
183 | int is_linespec; | |
f8eba3c6 TT |
184 | }; |
185 | ||
186 | /* This is a helper object that is used when collecting symbols into a | |
187 | result. */ | |
188 | ||
189 | struct collect_info | |
190 | { | |
191 | /* The linespec object in use. */ | |
192 | struct linespec_state *state; | |
193 | ||
40e084e1 | 194 | /* A list of symtabs to which to restrict matches. */ |
ec94af83 | 195 | VEC (symtab_ptr) *file_symtabs; |
40e084e1 | 196 | |
f8eba3c6 | 197 | /* The result being accumulated. */ |
40e084e1 KS |
198 | struct |
199 | { | |
200 | VEC (symbolp) *symbols; | |
f60e2d5c | 201 | VEC (bound_minimal_symbol_d) *minimal_symbols; |
40e084e1 | 202 | } result; |
14bc53a8 PA |
203 | |
204 | /* Possibly add a symbol to the results. */ | |
205 | bool add_symbol (symbol *sym); | |
f8eba3c6 | 206 | }; |
50641945 | 207 | |
14bc53a8 PA |
208 | bool |
209 | collect_info::add_symbol (symbol *sym) | |
210 | { | |
211 | /* In list mode, add all matching symbols, regardless of class. | |
212 | This allows the user to type "list a_global_variable". */ | |
213 | if (SYMBOL_CLASS (sym) == LOC_BLOCK || this->state->list_mode) | |
214 | VEC_safe_push (symbolp, this->result.symbols, sym); | |
215 | ||
216 | /* Continue iterating. */ | |
217 | return true; | |
218 | } | |
219 | ||
40e084e1 | 220 | /* Token types */ |
50641945 | 221 | |
40e084e1 KS |
222 | enum ls_token_type |
223 | { | |
224 | /* A keyword */ | |
225 | LSTOKEN_KEYWORD = 0, | |
44fe14ab | 226 | |
40e084e1 KS |
227 | /* A colon "separator" */ |
228 | LSTOKEN_COLON, | |
44fe14ab | 229 | |
40e084e1 KS |
230 | /* A string */ |
231 | LSTOKEN_STRING, | |
0960f083 | 232 | |
40e084e1 KS |
233 | /* A number */ |
234 | LSTOKEN_NUMBER, | |
235 | ||
236 | /* A comma */ | |
237 | LSTOKEN_COMMA, | |
238 | ||
239 | /* EOI (end of input) */ | |
240 | LSTOKEN_EOI, | |
241 | ||
242 | /* Consumed token */ | |
243 | LSTOKEN_CONSUMED | |
244 | }; | |
245 | typedef enum ls_token_type linespec_token_type; | |
246 | ||
c6756f62 PA |
247 | /* List of keywords. This is NULL-terminated so that it can be used |
248 | as enum completer. */ | |
249 | const char * const linespec_keywords[] = { "if", "thread", "task", NULL }; | |
0578b14e | 250 | #define IF_KEYWORD_INDEX 0 |
40e084e1 KS |
251 | |
252 | /* A token of the linespec lexer */ | |
253 | ||
254 | struct ls_token | |
255 | { | |
256 | /* The type of the token */ | |
257 | linespec_token_type type; | |
258 | ||
259 | /* Data for the token */ | |
260 | union | |
261 | { | |
262 | /* A string, given as a stoken */ | |
263 | struct stoken string; | |
264 | ||
265 | /* A keyword */ | |
266 | const char *keyword; | |
267 | } data; | |
268 | }; | |
269 | typedef struct ls_token linespec_token; | |
270 | ||
271 | #define LS_TOKEN_STOKEN(TOK) (TOK).data.string | |
272 | #define LS_TOKEN_KEYWORD(TOK) (TOK).data.keyword | |
273 | ||
274 | /* An instance of the linespec parser. */ | |
275 | ||
276 | struct ls_parser | |
277 | { | |
278 | /* Lexer internal data */ | |
279 | struct | |
280 | { | |
281 | /* Save head of input stream. */ | |
d7561cbb | 282 | const char *saved_arg; |
d2630e69 | 283 | |
40e084e1 | 284 | /* Head of the input stream. */ |
f00aae0f KS |
285 | const char *stream; |
286 | #define PARSER_STREAM(P) ((P)->lexer.stream) | |
614b3b14 | 287 | |
40e084e1 KS |
288 | /* The current token. */ |
289 | linespec_token current; | |
290 | } lexer; | |
93d91629 | 291 | |
40e084e1 KS |
292 | /* Is the entire linespec quote-enclosed? */ |
293 | int is_quote_enclosed; | |
294 | ||
295 | /* The state of the parse. */ | |
296 | struct linespec_state state; | |
297 | #define PARSER_STATE(PPTR) (&(PPTR)->state) | |
4224873a | 298 | |
40e084e1 KS |
299 | /* The result of the parse. */ |
300 | struct linespec result; | |
301 | #define PARSER_RESULT(PPTR) (&(PPTR)->result) | |
c45ec17c PA |
302 | |
303 | /* What the parser believes the current word point should complete | |
304 | to. */ | |
305 | linespec_complete_what complete_what; | |
306 | ||
307 | /* The completion word point. The parser advances this as it skips | |
308 | tokens. At some point the input string will end or parsing will | |
309 | fail, and then we attempt completion at the captured completion | |
310 | word point, interpreting the string at completion_word as | |
311 | COMPLETE_WHAT. */ | |
312 | const char *completion_word; | |
313 | ||
314 | /* If the current token was a quoted string, then this is the | |
315 | quoting character (either " or '). */ | |
316 | int completion_quote_char; | |
317 | ||
318 | /* If the current token was a quoted string, then this points at the | |
319 | end of the quoted string. */ | |
320 | const char *completion_quote_end; | |
321 | ||
322 | /* If parsing for completion, then this points at the completion | |
323 | tracker. Otherwise, this is NULL. */ | |
324 | struct completion_tracker *completion_tracker; | |
40e084e1 KS |
325 | }; |
326 | typedef struct ls_parser linespec_parser; | |
50641945 | 327 | |
00e52e53 KS |
328 | /* A convenience macro for accessing the explicit location result of |
329 | the parser. */ | |
67994074 | 330 | #define PARSER_EXPLICIT(PPTR) (&PARSER_RESULT ((PPTR))->explicit_loc) |
00e52e53 | 331 | |
40e084e1 | 332 | /* Prototypes for local functions. */ |
50641945 | 333 | |
14bc53a8 | 334 | static void iterate_over_file_blocks |
b5ec771e PA |
335 | (struct symtab *symtab, const lookup_name_info &name, |
336 | domain_enum domain, | |
14bc53a8 | 337 | gdb::function_view<symbol_found_callback_ftype> callback); |
4eeaa230 | 338 | |
40e084e1 KS |
339 | static void initialize_defaults (struct symtab **default_symtab, |
340 | int *default_line); | |
50641945 | 341 | |
a06efdd6 | 342 | CORE_ADDR linespec_expression_to_pc (const char **exp_ptr); |
aee8d8ba | 343 | |
6c5b2ebe PA |
344 | static std::vector<symtab_and_line> decode_objc (struct linespec_state *self, |
345 | linespec_p ls, | |
346 | const char *arg); | |
aee8d8ba | 347 | |
c2f4122d PA |
348 | static VEC (symtab_ptr) *symtabs_from_filename (const char *, |
349 | struct program_space *pspace); | |
50641945 | 350 | |
40e084e1 KS |
351 | static VEC (symbolp) *find_label_symbols (struct linespec_state *self, |
352 | VEC (symbolp) *function_symbols, | |
353 | VEC (symbolp) **label_funcs_ret, | |
a2459270 PA |
354 | const char *name, |
355 | bool completion_mode = false); | |
50641945 | 356 | |
b1ae631a | 357 | static void find_linespec_symbols (struct linespec_state *self, |
ec94af83 | 358 | VEC (symtab_ptr) *file_symtabs, |
b1ae631a | 359 | const char *name, |
a20714ff | 360 | symbol_name_match_type name_match_type, |
b1ae631a | 361 | VEC (symbolp) **symbols, |
f60e2d5c | 362 | VEC (bound_minimal_symbol_d) **minsyms); |
f8eba3c6 | 363 | |
40e084e1 KS |
364 | static struct line_offset |
365 | linespec_parse_variable (struct linespec_state *self, | |
366 | const char *variable); | |
889f28e2 | 367 | |
f8eba3c6 TT |
368 | static int symbol_to_sal (struct symtab_and_line *result, |
369 | int funfirstline, struct symbol *sym); | |
50641945 | 370 | |
f8eba3c6 | 371 | static void add_matching_symbols_to_info (const char *name, |
b5ec771e | 372 | symbol_name_match_type name_match_type, |
56d87ef7 | 373 | enum search_domain search_domain, |
f8eba3c6 TT |
374 | struct collect_info *info, |
375 | struct program_space *pspace); | |
f3c39e76 | 376 | |
9b2f8581 TT |
377 | static void add_all_symbol_names_from_pspace |
378 | (struct collect_info *info, struct program_space *pspace, | |
379 | const std::vector<const char *> &names, enum search_domain search_domain); | |
9ef07c8c | 380 | |
c2f4122d PA |
381 | static VEC (symtab_ptr) * |
382 | collect_symtabs_from_filename (const char *file, | |
383 | struct program_space *pspace); | |
84fba31b | 384 | |
6c5b2ebe PA |
385 | static std::vector<symtab_and_line> decode_digits_ordinary |
386 | (struct linespec_state *self, | |
387 | linespec_p ls, | |
388 | int line, | |
389 | linetable_entry **best_entry); | |
14e91ac5 | 390 | |
6c5b2ebe PA |
391 | static std::vector<symtab_and_line> decode_digits_list_mode |
392 | (struct linespec_state *self, | |
393 | linespec_p ls, | |
394 | struct symtab_and_line val); | |
0f5238ed | 395 | |
40e084e1 KS |
396 | static void minsym_found (struct linespec_state *self, struct objfile *objfile, |
397 | struct minimal_symbol *msymbol, | |
6c5b2ebe | 398 | std::vector<symtab_and_line> *result); |
bca02a8a | 399 | |
40e084e1 | 400 | static int compare_symbols (const void *a, const void *b); |
413dad4d | 401 | |
40e084e1 | 402 | static int compare_msymbols (const void *a, const void *b); |
413dad4d | 403 | |
40e084e1 KS |
404 | /* Permitted quote characters for the parser. This is different from the |
405 | completer's quote characters to allow backward compatibility with the | |
406 | previous parser. */ | |
407 | static const char *const linespec_quote_characters = "\"\'"; | |
f8eba3c6 | 408 | |
40e084e1 KS |
409 | /* Lexer functions. */ |
410 | ||
411 | /* Lex a number from the input in PARSER. This only supports | |
dd3818c8 KS |
412 | decimal numbers. |
413 | ||
d7cbec71 | 414 | Return true if input is decimal numbers. Return false if not. */ |
40e084e1 | 415 | |
d7cbec71 HZ |
416 | static int |
417 | linespec_lexer_lex_number (linespec_parser *parser, linespec_token *tokenp) | |
40e084e1 | 418 | { |
d7cbec71 HZ |
419 | tokenp->type = LSTOKEN_NUMBER; |
420 | LS_TOKEN_STOKEN (*tokenp).length = 0; | |
421 | LS_TOKEN_STOKEN (*tokenp).ptr = PARSER_STREAM (parser); | |
40e084e1 KS |
422 | |
423 | /* Keep any sign at the start of the stream. */ | |
424 | if (*PARSER_STREAM (parser) == '+' || *PARSER_STREAM (parser) == '-') | |
425 | { | |
d7cbec71 | 426 | ++LS_TOKEN_STOKEN (*tokenp).length; |
40e084e1 KS |
427 | ++(PARSER_STREAM (parser)); |
428 | } | |
429 | ||
430 | while (isdigit (*PARSER_STREAM (parser))) | |
431 | { | |
d7cbec71 | 432 | ++LS_TOKEN_STOKEN (*tokenp).length; |
40e084e1 | 433 | ++(PARSER_STREAM (parser)); |
f8eba3c6 | 434 | } |
40e084e1 | 435 | |
dd3818c8 | 436 | /* If the next character in the input buffer is not a space, comma, |
eff9c3e6 | 437 | quote, or colon, this input does not represent a number. */ |
dd3818c8 KS |
438 | if (*PARSER_STREAM (parser) != '\0' |
439 | && !isspace (*PARSER_STREAM (parser)) && *PARSER_STREAM (parser) != ',' | |
eff9c3e6 KS |
440 | && *PARSER_STREAM (parser) != ':' |
441 | && !strchr (linespec_quote_characters, *PARSER_STREAM (parser))) | |
d7cbec71 HZ |
442 | { |
443 | PARSER_STREAM (parser) = LS_TOKEN_STOKEN (*tokenp).ptr; | |
444 | return 0; | |
445 | } | |
446 | ||
447 | return 1; | |
f8eba3c6 TT |
448 | } |
449 | ||
32b40af9 | 450 | /* See linespec.h. */ |
f8eba3c6 | 451 | |
0578b14e | 452 | const char * |
40e084e1 | 453 | linespec_lexer_lex_keyword (const char *p) |
f8eba3c6 | 454 | { |
40e084e1 | 455 | int i; |
f8eba3c6 | 456 | |
40e084e1 KS |
457 | if (p != NULL) |
458 | { | |
c6756f62 | 459 | for (i = 0; linespec_keywords[i] != NULL; ++i) |
40e084e1 KS |
460 | { |
461 | int len = strlen (linespec_keywords[i]); | |
462 | ||
463 | /* If P begins with one of the keywords and the next | |
0578b14e KS |
464 | character is whitespace, we may have found a keyword. |
465 | It is only a keyword if it is not followed by another | |
466 | keyword. */ | |
40e084e1 | 467 | if (strncmp (p, linespec_keywords[i], len) == 0 |
0578b14e KS |
468 | && isspace (p[len])) |
469 | { | |
470 | int j; | |
471 | ||
472 | /* Special case: "if" ALWAYS stops the lexer, since it | |
473 | is not possible to predict what is going to appear in | |
474 | the condition, which can only be parsed after SaLs have | |
475 | been found. */ | |
476 | if (i != IF_KEYWORD_INDEX) | |
477 | { | |
478 | p += len; | |
f1735a53 | 479 | p = skip_spaces (p); |
c6756f62 | 480 | for (j = 0; linespec_keywords[j] != NULL; ++j) |
0578b14e KS |
481 | { |
482 | int nextlen = strlen (linespec_keywords[j]); | |
483 | ||
484 | if (strncmp (p, linespec_keywords[j], nextlen) == 0 | |
485 | && isspace (p[nextlen])) | |
486 | return NULL; | |
487 | } | |
488 | } | |
489 | ||
490 | return linespec_keywords[i]; | |
491 | } | |
40e084e1 KS |
492 | } |
493 | } | |
494 | ||
495 | return NULL; | |
f8eba3c6 TT |
496 | } |
497 | ||
87f0e720 | 498 | /* See description in linespec.h. */ |
f8eba3c6 | 499 | |
87f0e720 | 500 | int |
40e084e1 | 501 | is_ada_operator (const char *string) |
f8eba3c6 | 502 | { |
40e084e1 | 503 | const struct ada_opname_map *mapping; |
f8eba3c6 | 504 | |
40e084e1 KS |
505 | for (mapping = ada_opname_table; |
506 | mapping->encoded != NULL | |
61012eef | 507 | && !startswith (string, mapping->decoded); ++mapping) |
40e084e1 KS |
508 | ; |
509 | ||
510 | return mapping->decoded == NULL ? 0 : strlen (mapping->decoded); | |
f8eba3c6 TT |
511 | } |
512 | ||
40e084e1 KS |
513 | /* Find QUOTE_CHAR in STRING, accounting for the ':' terminal. Return |
514 | the location of QUOTE_CHAR, or NULL if not found. */ | |
f8eba3c6 | 515 | |
40e084e1 KS |
516 | static const char * |
517 | skip_quote_char (const char *string, char quote_char) | |
f8eba3c6 | 518 | { |
40e084e1 | 519 | const char *p, *last; |
f8eba3c6 | 520 | |
40e084e1 KS |
521 | p = last = find_toplevel_char (string, quote_char); |
522 | while (p && *p != '\0' && *p != ':') | |
523 | { | |
524 | p = find_toplevel_char (p, quote_char); | |
525 | if (p != NULL) | |
526 | last = p++; | |
527 | } | |
f8eba3c6 | 528 | |
40e084e1 | 529 | return last; |
f8eba3c6 | 530 | } |
50641945 | 531 | |
40e084e1 KS |
532 | /* Make a writable copy of the string given in TOKEN, trimming |
533 | any trailing whitespace. */ | |
50641945 | 534 | |
a5b5adf5 | 535 | static gdb::unique_xmalloc_ptr<char> |
40e084e1 | 536 | copy_token_string (linespec_token token) |
50641945 | 537 | { |
a5b5adf5 | 538 | const char *str, *s; |
e0881a8e | 539 | |
40e084e1 | 540 | if (token.type == LSTOKEN_KEYWORD) |
a5b5adf5 | 541 | return gdb::unique_xmalloc_ptr<char> (xstrdup (LS_TOKEN_KEYWORD (token))); |
255e7dbf | 542 | |
a5b5adf5 | 543 | str = LS_TOKEN_STOKEN (token).ptr; |
40e084e1 | 544 | s = remove_trailing_whitespace (str, str + LS_TOKEN_STOKEN (token).length); |
e0881a8e | 545 | |
a5b5adf5 | 546 | return gdb::unique_xmalloc_ptr<char> (savestring (str, s - str)); |
40e084e1 | 547 | } |
255e7dbf | 548 | |
40e084e1 | 549 | /* Does P represent the end of a quote-enclosed linespec? */ |
f3a5f1de | 550 | |
40e084e1 KS |
551 | static int |
552 | is_closing_quote_enclosed (const char *p) | |
553 | { | |
554 | if (strchr (linespec_quote_characters, *p)) | |
555 | ++p; | |
556 | p = skip_spaces ((char *) p); | |
557 | return (*p == '\0' || linespec_lexer_lex_keyword (p)); | |
50641945 FN |
558 | } |
559 | ||
40e084e1 KS |
560 | /* Find the end of the parameter list that starts with *INPUT. |
561 | This helper function assists with lexing string segments | |
562 | which might contain valid (non-terminating) commas. */ | |
481860b3 | 563 | |
d7561cbb KS |
564 | static const char * |
565 | find_parameter_list_end (const char *input) | |
481860b3 | 566 | { |
40e084e1 KS |
567 | char end_char, start_char; |
568 | int depth; | |
d7561cbb | 569 | const char *p; |
481860b3 | 570 | |
40e084e1 KS |
571 | start_char = *input; |
572 | if (start_char == '(') | |
573 | end_char = ')'; | |
574 | else if (start_char == '<') | |
575 | end_char = '>'; | |
576 | else | |
577 | return NULL; | |
481860b3 | 578 | |
40e084e1 KS |
579 | p = input; |
580 | depth = 0; | |
581 | while (*p) | |
481860b3 | 582 | { |
40e084e1 KS |
583 | if (*p == start_char) |
584 | ++depth; | |
585 | else if (*p == end_char) | |
586 | { | |
587 | if (--depth == 0) | |
588 | { | |
589 | ++p; | |
590 | break; | |
591 | } | |
592 | } | |
593 | ++p; | |
481860b3 | 594 | } |
40e084e1 KS |
595 | |
596 | return p; | |
481860b3 GB |
597 | } |
598 | ||
c45ec17c PA |
599 | /* If the [STRING, STRING_LEN) string ends with what looks like a |
600 | keyword, return the keyword start offset in STRING. Return -1 | |
601 | otherwise. */ | |
602 | ||
603 | static size_t | |
604 | string_find_incomplete_keyword_at_end (const char * const *keywords, | |
605 | const char *string, size_t string_len) | |
606 | { | |
607 | const char *end = string + string_len; | |
608 | const char *p = end; | |
609 | ||
610 | while (p > string && *p != ' ') | |
611 | --p; | |
612 | if (p > string) | |
613 | { | |
614 | p++; | |
615 | size_t len = end - p; | |
616 | for (size_t i = 0; keywords[i] != NULL; ++i) | |
617 | if (strncmp (keywords[i], p, len) == 0) | |
618 | return p - string; | |
619 | } | |
620 | ||
621 | return -1; | |
622 | } | |
74ccd7f5 | 623 | |
40e084e1 KS |
624 | /* Lex a string from the input in PARSER. */ |
625 | ||
626 | static linespec_token | |
627 | linespec_lexer_lex_string (linespec_parser *parser) | |
74ccd7f5 | 628 | { |
40e084e1 | 629 | linespec_token token; |
d7561cbb | 630 | const char *start = PARSER_STREAM (parser); |
74ccd7f5 | 631 | |
40e084e1 | 632 | token.type = LSTOKEN_STRING; |
74ccd7f5 | 633 | |
40e084e1 KS |
634 | /* If the input stream starts with a quote character, skip to the next |
635 | quote character, regardless of the content. */ | |
636 | if (strchr (linespec_quote_characters, *PARSER_STREAM (parser))) | |
637 | { | |
638 | const char *end; | |
639 | char quote_char = *PARSER_STREAM (parser); | |
50641945 | 640 | |
40e084e1 KS |
641 | /* Special case: Ada operators. */ |
642 | if (PARSER_STATE (parser)->language->la_language == language_ada | |
643 | && quote_char == '\"') | |
644 | { | |
645 | int len = is_ada_operator (PARSER_STREAM (parser)); | |
50641945 | 646 | |
40e084e1 KS |
647 | if (len != 0) |
648 | { | |
649 | /* The input is an Ada operator. Return the quoted string | |
650 | as-is. */ | |
651 | LS_TOKEN_STOKEN (token).ptr = PARSER_STREAM (parser); | |
652 | LS_TOKEN_STOKEN (token).length = len; | |
653 | PARSER_STREAM (parser) += len; | |
654 | return token; | |
655 | } | |
f8eba3c6 | 656 | |
40e084e1 KS |
657 | /* The input does not represent an Ada operator -- fall through |
658 | to normal quoted string handling. */ | |
659 | } | |
f8eba3c6 | 660 | |
40e084e1 KS |
661 | /* Skip past the beginning quote. */ |
662 | ++(PARSER_STREAM (parser)); | |
74ccd7f5 | 663 | |
40e084e1 KS |
664 | /* Mark the start of the string. */ |
665 | LS_TOKEN_STOKEN (token).ptr = PARSER_STREAM (parser); | |
f8eba3c6 | 666 | |
40e084e1 KS |
667 | /* Skip to the ending quote. */ |
668 | end = skip_quote_char (PARSER_STREAM (parser), quote_char); | |
669 | ||
c45ec17c PA |
670 | /* This helps the completer mode decide whether we have a |
671 | complete string. */ | |
672 | parser->completion_quote_char = quote_char; | |
673 | parser->completion_quote_end = end; | |
40e084e1 | 674 | |
c45ec17c PA |
675 | /* Error if the input did not terminate properly, unless in |
676 | completion mode. */ | |
677 | if (end == NULL) | |
678 | { | |
679 | if (parser->completion_tracker == NULL) | |
680 | error (_("unmatched quote")); | |
681 | ||
682 | /* In completion mode, we'll try to complete the incomplete | |
683 | token. */ | |
684 | token.type = LSTOKEN_STRING; | |
685 | while (*PARSER_STREAM (parser) != '\0') | |
686 | PARSER_STREAM (parser)++; | |
687 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 1 - start; | |
688 | } | |
689 | else | |
690 | { | |
691 | /* Skip over the ending quote and mark the length of the string. */ | |
692 | PARSER_STREAM (parser) = (char *) ++end; | |
693 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 2 - start; | |
694 | } | |
40e084e1 KS |
695 | } |
696 | else | |
697 | { | |
d7561cbb | 698 | const char *p; |
40e084e1 KS |
699 | |
700 | /* Otherwise, only identifier characters are permitted. | |
701 | Spaces are the exception. In general, we keep spaces, | |
702 | but only if the next characters in the input do not resolve | |
703 | to one of the keywords. | |
704 | ||
705 | This allows users to forgo quoting CV-qualifiers, template arguments, | |
706 | and similar common language constructs. */ | |
707 | ||
708 | while (1) | |
709 | { | |
710 | if (isspace (*PARSER_STREAM (parser))) | |
711 | { | |
f1735a53 | 712 | p = skip_spaces (PARSER_STREAM (parser)); |
7c09e5a0 DE |
713 | /* When we get here we know we've found something followed by |
714 | a space (we skip over parens and templates below). | |
715 | So if we find a keyword now, we know it is a keyword and not, | |
716 | say, a function name. */ | |
40e084e1 KS |
717 | if (linespec_lexer_lex_keyword (p) != NULL) |
718 | { | |
719 | LS_TOKEN_STOKEN (token).ptr = start; | |
720 | LS_TOKEN_STOKEN (token).length | |
721 | = PARSER_STREAM (parser) - start; | |
722 | return token; | |
723 | } | |
724 | ||
725 | /* Advance past the whitespace. */ | |
726 | PARSER_STREAM (parser) = p; | |
727 | } | |
728 | ||
729 | /* If the next character is EOI or (single) ':', the | |
730 | string is complete; return the token. */ | |
731 | if (*PARSER_STREAM (parser) == 0) | |
732 | { | |
733 | LS_TOKEN_STOKEN (token).ptr = start; | |
734 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
735 | return token; | |
736 | } | |
737 | else if (PARSER_STREAM (parser)[0] == ':') | |
738 | { | |
739 | /* Do not tokenize the C++ scope operator. */ | |
740 | if (PARSER_STREAM (parser)[1] == ':') | |
741 | ++(PARSER_STREAM (parser)); | |
742 | ||
bd69330d PA |
743 | /* Do not tokenize ABI tags such as "[abi:cxx11]". */ |
744 | else if (PARSER_STREAM (parser) - start > 4 | |
745 | && startswith (PARSER_STREAM (parser) - 4, "[abi")) | |
746 | ++(PARSER_STREAM (parser)); | |
747 | ||
40e084e1 KS |
748 | /* Do not tokenify if the input length so far is one |
749 | (i.e, a single-letter drive name) and the next character | |
750 | is a directory separator. This allows Windows-style | |
751 | paths to be recognized as filenames without quoting it. */ | |
752 | else if ((PARSER_STREAM (parser) - start) != 1 | |
753 | || !IS_DIR_SEPARATOR (PARSER_STREAM (parser)[1])) | |
754 | { | |
755 | LS_TOKEN_STOKEN (token).ptr = start; | |
756 | LS_TOKEN_STOKEN (token).length | |
757 | = PARSER_STREAM (parser) - start; | |
758 | return token; | |
759 | } | |
760 | } | |
761 | /* Special case: permit quote-enclosed linespecs. */ | |
762 | else if (parser->is_quote_enclosed | |
763 | && strchr (linespec_quote_characters, | |
764 | *PARSER_STREAM (parser)) | |
765 | && is_closing_quote_enclosed (PARSER_STREAM (parser))) | |
766 | { | |
767 | LS_TOKEN_STOKEN (token).ptr = start; | |
768 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
769 | return token; | |
770 | } | |
771 | /* Because commas may terminate a linespec and appear in | |
772 | the middle of valid string input, special cases for | |
773 | '<' and '(' are necessary. */ | |
774 | else if (*PARSER_STREAM (parser) == '<' | |
775 | || *PARSER_STREAM (parser) == '(') | |
776 | { | |
be966d42 PA |
777 | /* Don't interpret 'operator<' / 'operator<<' as a |
778 | template parameter list though. */ | |
779 | if (*PARSER_STREAM (parser) == '<' | |
780 | && (PARSER_STATE (parser)->language->la_language | |
781 | == language_cplus) | |
782 | && (PARSER_STREAM (parser) - start) >= CP_OPERATOR_LEN) | |
783 | { | |
784 | const char *p = PARSER_STREAM (parser); | |
785 | ||
786 | while (p > start && isspace (p[-1])) | |
787 | p--; | |
788 | if (p - start >= CP_OPERATOR_LEN) | |
789 | { | |
790 | p -= CP_OPERATOR_LEN; | |
791 | if (strncmp (p, CP_OPERATOR_STR, CP_OPERATOR_LEN) == 0 | |
792 | && (p == start | |
793 | || !(isalnum (p[-1]) || p[-1] == '_'))) | |
794 | { | |
795 | /* This is an operator name. Keep going. */ | |
796 | ++(PARSER_STREAM (parser)); | |
797 | if (*PARSER_STREAM (parser) == '<') | |
798 | ++(PARSER_STREAM (parser)); | |
799 | continue; | |
800 | } | |
801 | } | |
802 | } | |
803 | ||
804 | const char *p = find_parameter_list_end (PARSER_STREAM (parser)); | |
805 | PARSER_STREAM (parser) = p; | |
40e084e1 | 806 | |
be966d42 PA |
807 | /* Don't loop around to the normal \0 case above because |
808 | we don't want to misinterpret a potential keyword at | |
809 | the end of the token when the string isn't | |
810 | "()<>"-balanced. This handles "b | |
811 | function(thread<tab>" in completion mode. */ | |
812 | if (*p == '\0') | |
40e084e1 | 813 | { |
be966d42 PA |
814 | LS_TOKEN_STOKEN (token).ptr = start; |
815 | LS_TOKEN_STOKEN (token).length | |
816 | = PARSER_STREAM (parser) - start; | |
817 | return token; | |
40e084e1 | 818 | } |
be966d42 PA |
819 | else |
820 | continue; | |
40e084e1 KS |
821 | } |
822 | /* Commas are terminators, but not if they are part of an | |
823 | operator name. */ | |
824 | else if (*PARSER_STREAM (parser) == ',') | |
825 | { | |
826 | if ((PARSER_STATE (parser)->language->la_language | |
827 | == language_cplus) | |
8090b426 | 828 | && (PARSER_STREAM (parser) - start) > CP_OPERATOR_LEN) |
40e084e1 | 829 | { |
8090b426 | 830 | const char *p = strstr (start, CP_OPERATOR_STR); |
40e084e1 KS |
831 | |
832 | if (p != NULL && is_operator_name (p)) | |
833 | { | |
834 | /* This is an operator name. Keep going. */ | |
835 | ++(PARSER_STREAM (parser)); | |
836 | continue; | |
837 | } | |
838 | } | |
839 | ||
840 | /* Comma terminates the string. */ | |
841 | LS_TOKEN_STOKEN (token).ptr = start; | |
842 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
843 | return token; | |
844 | } | |
845 | ||
846 | /* Advance the stream. */ | |
847 | ++(PARSER_STREAM (parser)); | |
848 | } | |
849 | } | |
850 | ||
851 | return token; | |
852 | } | |
853 | ||
854 | /* Lex a single linespec token from PARSER. */ | |
855 | ||
856 | static linespec_token | |
857 | linespec_lexer_lex_one (linespec_parser *parser) | |
858 | { | |
859 | const char *keyword; | |
860 | ||
861 | if (parser->lexer.current.type == LSTOKEN_CONSUMED) | |
862 | { | |
863 | /* Skip any whitespace. */ | |
f1735a53 | 864 | PARSER_STREAM (parser) = skip_spaces (PARSER_STREAM (parser)); |
40e084e1 | 865 | |
7c09e5a0 | 866 | /* Check for a keyword, they end the linespec. */ |
0578b14e | 867 | keyword = linespec_lexer_lex_keyword (PARSER_STREAM (parser)); |
40e084e1 KS |
868 | if (keyword != NULL) |
869 | { | |
870 | parser->lexer.current.type = LSTOKEN_KEYWORD; | |
871 | LS_TOKEN_KEYWORD (parser->lexer.current) = keyword; | |
0578b14e KS |
872 | /* We do not advance the stream here intentionally: |
873 | we would like lexing to stop when a keyword is seen. | |
874 | ||
875 | PARSER_STREAM (parser) += strlen (keyword); */ | |
876 | ||
40e084e1 KS |
877 | return parser->lexer.current; |
878 | } | |
879 | ||
880 | /* Handle other tokens. */ | |
881 | switch (*PARSER_STREAM (parser)) | |
882 | { | |
883 | case 0: | |
884 | parser->lexer.current.type = LSTOKEN_EOI; | |
885 | break; | |
886 | ||
887 | case '+': case '-': | |
888 | case '0': case '1': case '2': case '3': case '4': | |
889 | case '5': case '6': case '7': case '8': case '9': | |
d7cbec71 HZ |
890 | if (!linespec_lexer_lex_number (parser, &(parser->lexer.current))) |
891 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
40e084e1 KS |
892 | break; |
893 | ||
894 | case ':': | |
895 | /* If we have a scope operator, lex the input as a string. | |
896 | Otherwise, return LSTOKEN_COLON. */ | |
897 | if (PARSER_STREAM (parser)[1] == ':') | |
898 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
899 | else | |
900 | { | |
901 | parser->lexer.current.type = LSTOKEN_COLON; | |
902 | ++(PARSER_STREAM (parser)); | |
903 | } | |
904 | break; | |
905 | ||
906 | case '\'': case '\"': | |
907 | /* Special case: permit quote-enclosed linespecs. */ | |
908 | if (parser->is_quote_enclosed | |
909 | && is_closing_quote_enclosed (PARSER_STREAM (parser))) | |
910 | { | |
911 | ++(PARSER_STREAM (parser)); | |
912 | parser->lexer.current.type = LSTOKEN_EOI; | |
913 | } | |
914 | else | |
915 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
916 | break; | |
917 | ||
918 | case ',': | |
919 | parser->lexer.current.type = LSTOKEN_COMMA; | |
920 | LS_TOKEN_STOKEN (parser->lexer.current).ptr | |
921 | = PARSER_STREAM (parser); | |
922 | LS_TOKEN_STOKEN (parser->lexer.current).length = 1; | |
923 | ++(PARSER_STREAM (parser)); | |
924 | break; | |
925 | ||
926 | default: | |
927 | /* If the input is not a number, it must be a string. | |
928 | [Keywords were already considered above.] */ | |
929 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
930 | break; | |
931 | } | |
932 | } | |
933 | ||
934 | return parser->lexer.current; | |
935 | } | |
936 | ||
937 | /* Consume the current token and return the next token in PARSER's | |
c45ec17c PA |
938 | input stream. Also advance the completion word for completion |
939 | mode. */ | |
40e084e1 KS |
940 | |
941 | static linespec_token | |
942 | linespec_lexer_consume_token (linespec_parser *parser) | |
943 | { | |
c45ec17c PA |
944 | gdb_assert (parser->lexer.current.type != LSTOKEN_EOI); |
945 | ||
946 | bool advance_word = (parser->lexer.current.type != LSTOKEN_STRING | |
947 | || *PARSER_STREAM (parser) != '\0'); | |
948 | ||
949 | /* If we're moving past a string to some other token, it must be the | |
950 | quote was terminated. */ | |
951 | if (parser->completion_quote_char) | |
952 | { | |
953 | gdb_assert (parser->lexer.current.type == LSTOKEN_STRING); | |
954 | ||
955 | /* If the string was the last (non-EOI) token, we're past the | |
956 | quote, but remember that for later. */ | |
957 | if (*PARSER_STREAM (parser) != '\0') | |
958 | { | |
959 | parser->completion_quote_char = '\0'; | |
960 | parser->completion_quote_end = NULL;; | |
961 | } | |
962 | } | |
963 | ||
40e084e1 | 964 | parser->lexer.current.type = LSTOKEN_CONSUMED; |
c45ec17c PA |
965 | linespec_lexer_lex_one (parser); |
966 | ||
967 | if (parser->lexer.current.type == LSTOKEN_STRING) | |
968 | { | |
969 | /* Advance the completion word past a potential initial | |
970 | quote-char. */ | |
971 | parser->completion_word = LS_TOKEN_STOKEN (parser->lexer.current).ptr; | |
972 | } | |
973 | else if (advance_word) | |
974 | { | |
975 | /* Advance the completion word past any whitespace. */ | |
976 | parser->completion_word = PARSER_STREAM (parser); | |
977 | } | |
978 | ||
979 | return parser->lexer.current; | |
40e084e1 KS |
980 | } |
981 | ||
982 | /* Return the next token without consuming the current token. */ | |
983 | ||
984 | static linespec_token | |
985 | linespec_lexer_peek_token (linespec_parser *parser) | |
986 | { | |
987 | linespec_token next; | |
d7561cbb | 988 | const char *saved_stream = PARSER_STREAM (parser); |
40e084e1 | 989 | linespec_token saved_token = parser->lexer.current; |
c45ec17c PA |
990 | int saved_completion_quote_char = parser->completion_quote_char; |
991 | const char *saved_completion_quote_end = parser->completion_quote_end; | |
992 | const char *saved_completion_word = parser->completion_word; | |
40e084e1 KS |
993 | |
994 | next = linespec_lexer_consume_token (parser); | |
995 | PARSER_STREAM (parser) = saved_stream; | |
996 | parser->lexer.current = saved_token; | |
c45ec17c PA |
997 | parser->completion_quote_char = saved_completion_quote_char; |
998 | parser->completion_quote_end = saved_completion_quote_end; | |
999 | parser->completion_word = saved_completion_word; | |
40e084e1 KS |
1000 | return next; |
1001 | } | |
1002 | ||
1003 | /* Helper functions. */ | |
1004 | ||
40e084e1 KS |
1005 | /* Add SAL to SALS, and also update SELF->CANONICAL_NAMES to reflect |
1006 | the new sal, if needed. If not NULL, SYMNAME is the name of the | |
66f1999b KS |
1007 | symbol to use when constructing the new canonical name. |
1008 | ||
1009 | If LITERAL_CANONICAL is non-zero, SYMNAME will be used as the | |
1010 | canonical name for the SAL. */ | |
40e084e1 KS |
1011 | |
1012 | static void | |
1013 | add_sal_to_sals (struct linespec_state *self, | |
6c5b2ebe | 1014 | std::vector<symtab_and_line> *sals, |
40e084e1 | 1015 | struct symtab_and_line *sal, |
66f1999b | 1016 | const char *symname, int literal_canonical) |
40e084e1 | 1017 | { |
6c5b2ebe | 1018 | sals->push_back (*sal); |
40e084e1 KS |
1019 | |
1020 | if (self->canonical) | |
1021 | { | |
33f448b1 | 1022 | struct linespec_canonical_name *canonical; |
40e084e1 | 1023 | |
224c3ddb | 1024 | self->canonical_names = XRESIZEVEC (struct linespec_canonical_name, |
6c5b2ebe PA |
1025 | self->canonical_names, |
1026 | sals->size ()); | |
1027 | canonical = &self->canonical_names[sals->size () - 1]; | |
4e04028d | 1028 | if (!literal_canonical && sal->symtab) |
40e084e1 | 1029 | { |
df140a0b TS |
1030 | symtab_to_fullname (sal->symtab); |
1031 | ||
40e084e1 KS |
1032 | /* Note that the filter doesn't have to be a valid linespec |
1033 | input. We only apply the ":LINE" treatment to Ada for | |
1034 | the time being. */ | |
1035 | if (symname != NULL && sal->line != 0 | |
1036 | && self->language->la_language == language_ada) | |
33f448b1 | 1037 | canonical->suffix = xstrprintf ("%s:%d", symname, sal->line); |
40e084e1 | 1038 | else if (symname != NULL) |
33f448b1 | 1039 | canonical->suffix = xstrdup (symname); |
40e084e1 | 1040 | else |
33f448b1 JK |
1041 | canonical->suffix = xstrprintf ("%d", sal->line); |
1042 | canonical->symtab = sal->symtab; | |
1043 | } | |
1044 | else | |
1045 | { | |
1046 | if (symname != NULL) | |
1047 | canonical->suffix = xstrdup (symname); | |
1048 | else | |
e617b069 | 1049 | canonical->suffix = xstrdup ("<unknown>"); |
33f448b1 | 1050 | canonical->symtab = NULL; |
40e084e1 | 1051 | } |
40e084e1 KS |
1052 | } |
1053 | } | |
1054 | ||
1055 | /* A hash function for address_entry. */ | |
1056 | ||
1057 | static hashval_t | |
1058 | hash_address_entry (const void *p) | |
1059 | { | |
9a3c8263 | 1060 | const struct address_entry *aep = (const struct address_entry *) p; |
40e084e1 KS |
1061 | hashval_t hash; |
1062 | ||
1063 | hash = iterative_hash_object (aep->pspace, 0); | |
1064 | return iterative_hash_object (aep->addr, hash); | |
1065 | } | |
1066 | ||
1067 | /* An equality function for address_entry. */ | |
1068 | ||
1069 | static int | |
1070 | eq_address_entry (const void *a, const void *b) | |
1071 | { | |
9a3c8263 SM |
1072 | const struct address_entry *aea = (const struct address_entry *) a; |
1073 | const struct address_entry *aeb = (const struct address_entry *) b; | |
40e084e1 KS |
1074 | |
1075 | return aea->pspace == aeb->pspace && aea->addr == aeb->addr; | |
1076 | } | |
1077 | ||
1078 | /* Check whether the address, represented by PSPACE and ADDR, is | |
1079 | already in the set. If so, return 0. Otherwise, add it and return | |
1080 | 1. */ | |
1081 | ||
1082 | static int | |
1083 | maybe_add_address (htab_t set, struct program_space *pspace, CORE_ADDR addr) | |
1084 | { | |
1085 | struct address_entry e, *p; | |
1086 | void **slot; | |
1087 | ||
1088 | e.pspace = pspace; | |
1089 | e.addr = addr; | |
1090 | slot = htab_find_slot (set, &e, INSERT); | |
1091 | if (*slot) | |
1092 | return 0; | |
1093 | ||
1094 | p = XNEW (struct address_entry); | |
1095 | memcpy (p, &e, sizeof (struct address_entry)); | |
1096 | *slot = p; | |
1097 | ||
1098 | return 1; | |
1099 | } | |
1100 | ||
40e084e1 KS |
1101 | /* A helper that walks over all matching symtabs in all objfiles and |
1102 | calls CALLBACK for each symbol matching NAME. If SEARCH_PSPACE is | |
1103 | not NULL, then the search is restricted to just that program | |
14bc53a8 | 1104 | space. If INCLUDE_INLINE is true then symbols representing |
40e084e1 KS |
1105 | inlined instances of functions will be included in the result. */ |
1106 | ||
1107 | static void | |
14bc53a8 | 1108 | iterate_over_all_matching_symtabs |
b5ec771e PA |
1109 | (struct linespec_state *state, |
1110 | const lookup_name_info &lookup_name, | |
1111 | const domain_enum name_domain, | |
56d87ef7 | 1112 | enum search_domain search_domain, |
14bc53a8 PA |
1113 | struct program_space *search_pspace, bool include_inline, |
1114 | gdb::function_view<symbol_found_callback_ftype> callback) | |
40e084e1 KS |
1115 | { |
1116 | struct objfile *objfile; | |
1117 | struct program_space *pspace; | |
40e084e1 | 1118 | |
40e084e1 KS |
1119 | ALL_PSPACES (pspace) |
1120 | { | |
1121 | if (search_pspace != NULL && search_pspace != pspace) | |
1122 | continue; | |
1123 | if (pspace->executing_startup) | |
f8eba3c6 TT |
1124 | continue; |
1125 | ||
1126 | set_current_program_space (pspace); | |
50641945 | 1127 | |
f8eba3c6 TT |
1128 | ALL_OBJFILES (objfile) |
1129 | { | |
43f3e411 | 1130 | struct compunit_symtab *cu; |
f8eba3c6 TT |
1131 | |
1132 | if (objfile->sf) | |
b5ec771e PA |
1133 | objfile->sf->qf->expand_symtabs_matching (objfile, |
1134 | NULL, | |
1135 | lookup_name, | |
1136 | NULL, NULL, | |
56d87ef7 | 1137 | search_domain); |
f8eba3c6 | 1138 | |
43f3e411 | 1139 | ALL_OBJFILE_COMPUNITS (objfile, cu) |
f8eba3c6 | 1140 | { |
43f3e411 DE |
1141 | struct symtab *symtab = COMPUNIT_FILETABS (cu); |
1142 | ||
b5ec771e | 1143 | iterate_over_file_blocks (symtab, lookup_name, name_domain, callback); |
481860b3 | 1144 | |
d790cf0a DE |
1145 | if (include_inline) |
1146 | { | |
4eeaa230 | 1147 | struct block *block; |
d790cf0a | 1148 | int i; |
481860b3 | 1149 | |
d790cf0a | 1150 | for (i = FIRST_LOCAL_BLOCK; |
439247b6 DE |
1151 | i < BLOCKVECTOR_NBLOCKS (SYMTAB_BLOCKVECTOR (symtab)); |
1152 | i++) | |
d790cf0a | 1153 | { |
439247b6 | 1154 | block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), i); |
4ae24af0 | 1155 | state->language->la_iterate_over_symbols |
b5ec771e | 1156 | (block, lookup_name, name_domain, [&] (symbol *sym) |
14bc53a8 PA |
1157 | { |
1158 | /* Restrict calls to CALLBACK to symbols | |
1159 | representing inline symbols only. */ | |
1160 | if (SYMBOL_INLINED (sym)) | |
1161 | return callback (sym); | |
1162 | return true; | |
1163 | }); | |
481860b3 | 1164 | } |
f8eba3c6 TT |
1165 | } |
1166 | } | |
1167 | } | |
1168 | } | |
50641945 FN |
1169 | } |
1170 | ||
4eeaa230 DE |
1171 | /* Returns the block to be used for symbol searches from |
1172 | the current location. */ | |
e8eb7bc5 | 1173 | |
3977b71f | 1174 | static const struct block * |
e482a1a7 | 1175 | get_current_search_block (void) |
e8eb7bc5 | 1176 | { |
3977b71f | 1177 | const struct block *block; |
4eeaa230 | 1178 | enum language save_language; |
e8eb7bc5 | 1179 | |
4eeaa230 DE |
1180 | /* get_selected_block can change the current language when there is |
1181 | no selected frame yet. */ | |
1182 | save_language = current_language->la_language; | |
1183 | block = get_selected_block (0); | |
1184 | set_language (save_language); | |
e8eb7bc5 KS |
1185 | |
1186 | return block; | |
1187 | } | |
1188 | ||
4eeaa230 DE |
1189 | /* Iterate over static and global blocks. */ |
1190 | ||
1191 | static void | |
14bc53a8 | 1192 | iterate_over_file_blocks |
b5ec771e PA |
1193 | (struct symtab *symtab, const lookup_name_info &name, |
1194 | domain_enum domain, gdb::function_view<symbol_found_callback_ftype> callback) | |
4eeaa230 DE |
1195 | { |
1196 | struct block *block; | |
1197 | ||
439247b6 | 1198 | for (block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), STATIC_BLOCK); |
4eeaa230 DE |
1199 | block != NULL; |
1200 | block = BLOCK_SUPERBLOCK (block)) | |
14bc53a8 | 1201 | LA_ITERATE_OVER_SYMBOLS (block, name, domain, callback); |
4eeaa230 DE |
1202 | } |
1203 | ||
b5ec771e PA |
1204 | /* A helper for find_method. This finds all methods in type T of |
1205 | language T_LANG which match NAME. It adds matching symbol names to | |
1206 | RESULT_NAMES, and adds T's direct superclasses to SUPERCLASSES. */ | |
50641945 | 1207 | |
f8eba3c6 | 1208 | static void |
b5ec771e | 1209 | find_methods (struct type *t, enum language t_lang, const char *name, |
9b2f8581 | 1210 | std::vector<const char *> *result_names, |
8e8d776e | 1211 | std::vector<struct type *> *superclasses) |
50641945 | 1212 | { |
50641945 | 1213 | int ibase; |
a737d952 | 1214 | const char *class_name = TYPE_NAME (t); |
c00f8484 | 1215 | |
50641945 FN |
1216 | /* Ignore this class if it doesn't have a name. This is ugly, but |
1217 | unless we figure out how to get the physname without the name of | |
1218 | the class, then the loop can't do any good. */ | |
f8eba3c6 | 1219 | if (class_name) |
50641945 FN |
1220 | { |
1221 | int method_counter; | |
b5ec771e PA |
1222 | lookup_name_info lookup_name (name, symbol_name_match_type::FULL); |
1223 | symbol_name_matcher_ftype *symbol_name_compare | |
618daa93 | 1224 | = get_symbol_name_matcher (language_def (t_lang), lookup_name); |
50641945 | 1225 | |
f168693b | 1226 | t = check_typedef (t); |
50641945 FN |
1227 | |
1228 | /* Loop over each method name. At this level, all overloads of a name | |
1229 | are counted as a single name. There is an inner loop which loops over | |
1230 | each overload. */ | |
1231 | ||
1232 | for (method_counter = TYPE_NFN_FIELDS (t) - 1; | |
1233 | method_counter >= 0; | |
1234 | --method_counter) | |
1235 | { | |
0d5cff50 | 1236 | const char *method_name = TYPE_FN_FIELDLIST_NAME (t, method_counter); |
50641945 FN |
1237 | char dem_opname[64]; |
1238 | ||
61012eef GB |
1239 | if (startswith (method_name, "__") || |
1240 | startswith (method_name, "op") || | |
1241 | startswith (method_name, "type")) | |
50641945 FN |
1242 | { |
1243 | if (cplus_demangle_opname (method_name, dem_opname, DMGL_ANSI)) | |
1244 | method_name = dem_opname; | |
1245 | else if (cplus_demangle_opname (method_name, dem_opname, 0)) | |
1246 | method_name = dem_opname; | |
1247 | } | |
1248 | ||
b5ec771e | 1249 | if (symbol_name_compare (method_name, lookup_name, NULL)) |
f8eba3c6 TT |
1250 | { |
1251 | int field_counter; | |
aee8d8ba | 1252 | |
f8eba3c6 TT |
1253 | for (field_counter = (TYPE_FN_FIELDLIST_LENGTH (t, method_counter) |
1254 | - 1); | |
1255 | field_counter >= 0; | |
1256 | --field_counter) | |
1257 | { | |
1258 | struct fn_field *f; | |
1259 | const char *phys_name; | |
1260 | ||
1261 | f = TYPE_FN_FIELDLIST1 (t, method_counter); | |
1262 | if (TYPE_FN_FIELD_STUB (f, field_counter)) | |
1263 | continue; | |
1264 | phys_name = TYPE_FN_FIELD_PHYSNAME (f, field_counter); | |
9b2f8581 | 1265 | result_names->push_back (phys_name); |
f8eba3c6 TT |
1266 | } |
1267 | } | |
aee8d8ba DC |
1268 | } |
1269 | } | |
1270 | ||
f8eba3c6 | 1271 | for (ibase = 0; ibase < TYPE_N_BASECLASSES (t); ibase++) |
8e8d776e | 1272 | superclasses->push_back (TYPE_BASECLASS (t, ibase)); |
50641945 FN |
1273 | } |
1274 | ||
50641945 FN |
1275 | /* Find an instance of the character C in the string S that is outside |
1276 | of all parenthesis pairs, single-quoted strings, and double-quoted | |
8120c9d5 | 1277 | strings. Also, ignore the char within a template name, like a ',' |
be966d42 | 1278 | within foo<int, int>, while considering C++ operator</operator<<. */ |
8120c9d5 | 1279 | |
87f0e720 | 1280 | const char * |
40e084e1 | 1281 | find_toplevel_char (const char *s, char c) |
50641945 FN |
1282 | { |
1283 | int quoted = 0; /* zero if we're not in quotes; | |
1284 | '"' if we're in a double-quoted string; | |
1285 | '\'' if we're in a single-quoted string. */ | |
a04257e6 | 1286 | int depth = 0; /* Number of unclosed parens we've seen. */ |
40e084e1 | 1287 | const char *scan; |
50641945 FN |
1288 | |
1289 | for (scan = s; *scan; scan++) | |
1290 | { | |
1291 | if (quoted) | |
1292 | { | |
1293 | if (*scan == quoted) | |
1294 | quoted = 0; | |
1295 | else if (*scan == '\\' && *(scan + 1)) | |
1296 | scan++; | |
1297 | } | |
1298 | else if (*scan == c && ! quoted && depth == 0) | |
1299 | return scan; | |
1300 | else if (*scan == '"' || *scan == '\'') | |
1301 | quoted = *scan; | |
8120c9d5 | 1302 | else if (*scan == '(' || *scan == '<') |
50641945 | 1303 | depth++; |
8120c9d5 | 1304 | else if ((*scan == ')' || *scan == '>') && depth > 0) |
50641945 | 1305 | depth--; |
be966d42 PA |
1306 | else if (*scan == 'o' && !quoted && depth == 0) |
1307 | { | |
1308 | /* Handle C++ operator names. */ | |
1309 | if (strncmp (scan, CP_OPERATOR_STR, CP_OPERATOR_LEN) == 0) | |
1310 | { | |
1311 | scan += CP_OPERATOR_LEN; | |
1312 | if (*scan == c) | |
1313 | return scan; | |
1314 | while (isspace (*scan)) | |
1315 | { | |
1316 | ++scan; | |
1317 | if (*scan == c) | |
1318 | return scan; | |
1319 | } | |
1320 | if (*scan == '\0') | |
1321 | break; | |
1322 | ||
1323 | switch (*scan) | |
1324 | { | |
1325 | /* Skip over one less than the appropriate number of | |
1326 | characters: the for loop will skip over the last | |
1327 | one. */ | |
1328 | case '<': | |
1329 | if (scan[1] == '<') | |
1330 | { | |
1331 | scan++; | |
1332 | if (*scan == c) | |
1333 | return scan; | |
1334 | } | |
1335 | break; | |
1336 | case '>': | |
1337 | if (scan[1] == '>') | |
1338 | { | |
1339 | scan++; | |
1340 | if (*scan == c) | |
1341 | return scan; | |
1342 | } | |
1343 | break; | |
1344 | } | |
1345 | } | |
1346 | } | |
50641945 FN |
1347 | } |
1348 | ||
1349 | return 0; | |
1350 | } | |
1351 | ||
40e084e1 KS |
1352 | /* The string equivalent of find_toplevel_char. Returns a pointer |
1353 | to the location of NEEDLE in HAYSTACK, ignoring any occurrences | |
1354 | inside "()" and "<>". Returns NULL if NEEDLE was not found. */ | |
889f28e2 | 1355 | |
40e084e1 KS |
1356 | static const char * |
1357 | find_toplevel_string (const char *haystack, const char *needle) | |
889f28e2 | 1358 | { |
40e084e1 KS |
1359 | const char *s = haystack; |
1360 | ||
1361 | do | |
1362 | { | |
1363 | s = find_toplevel_char (s, *needle); | |
1364 | ||
1365 | if (s != NULL) | |
1366 | { | |
1367 | /* Found first char in HAYSTACK; check rest of string. */ | |
61012eef | 1368 | if (startswith (s, needle)) |
40e084e1 KS |
1369 | return s; |
1370 | ||
1371 | /* Didn't find it; loop over HAYSTACK, looking for the next | |
1372 | instance of the first character of NEEDLE. */ | |
1373 | ++s; | |
1374 | } | |
1375 | } | |
1376 | while (s != NULL && *s != '\0'); | |
1377 | ||
1378 | /* NEEDLE was not found in HAYSTACK. */ | |
1379 | return NULL; | |
889f28e2 AF |
1380 | } |
1381 | ||
33f448b1 | 1382 | /* Convert CANONICAL to its string representation using |
53a0f8a2 | 1383 | symtab_to_fullname for SYMTAB. */ |
33f448b1 | 1384 | |
53a0f8a2 | 1385 | static std::string |
33f448b1 JK |
1386 | canonical_to_fullform (const struct linespec_canonical_name *canonical) |
1387 | { | |
1388 | if (canonical->symtab == NULL) | |
53a0f8a2 | 1389 | return canonical->suffix; |
33f448b1 | 1390 | else |
53a0f8a2 TT |
1391 | return string_printf ("%s:%s", symtab_to_fullname (canonical->symtab), |
1392 | canonical->suffix); | |
33f448b1 JK |
1393 | } |
1394 | ||
f8eba3c6 TT |
1395 | /* Given FILTERS, a list of canonical names, filter the sals in RESULT |
1396 | and store the result in SELF->CANONICAL. */ | |
50641945 | 1397 | |
f8eba3c6 TT |
1398 | static void |
1399 | filter_results (struct linespec_state *self, | |
6c5b2ebe | 1400 | std::vector<symtab_and_line> *result, |
f73c6ece | 1401 | const std::vector<const char *> &filters) |
f8eba3c6 | 1402 | { |
f73c6ece | 1403 | for (const char *name : filters) |
f8eba3c6 | 1404 | { |
6c5b2ebe | 1405 | linespec_sals lsal; |
f8eba3c6 | 1406 | |
6c5b2ebe | 1407 | for (size_t j = 0; j < result->size (); ++j) |
f8eba3c6 | 1408 | { |
33f448b1 | 1409 | const struct linespec_canonical_name *canonical; |
33f448b1 JK |
1410 | |
1411 | canonical = &self->canonical_names[j]; | |
53a0f8a2 | 1412 | std::string fullform = canonical_to_fullform (canonical); |
33f448b1 | 1413 | |
53a0f8a2 | 1414 | if (name == fullform) |
6c5b2ebe | 1415 | lsal.sals.push_back ((*result)[j]); |
f8eba3c6 TT |
1416 | } |
1417 | ||
6c5b2ebe | 1418 | if (!lsal.sals.empty ()) |
f8eba3c6 TT |
1419 | { |
1420 | lsal.canonical = xstrdup (name); | |
6c5b2ebe | 1421 | self->canonical->lsals.push_back (std::move (lsal)); |
f8eba3c6 TT |
1422 | } |
1423 | } | |
1424 | ||
1425 | self->canonical->pre_expanded = 0; | |
1426 | } | |
1427 | ||
1428 | /* Store RESULT into SELF->CANONICAL. */ | |
1429 | ||
1430 | static void | |
1431 | convert_results_to_lsals (struct linespec_state *self, | |
6c5b2ebe | 1432 | std::vector<symtab_and_line> *result) |
50641945 | 1433 | { |
f8eba3c6 TT |
1434 | struct linespec_sals lsal; |
1435 | ||
1436 | lsal.canonical = NULL; | |
6c5b2ebe PA |
1437 | lsal.sals = std::move (*result); |
1438 | self->canonical->lsals.push_back (std::move (lsal)); | |
f8eba3c6 TT |
1439 | } |
1440 | ||
33f448b1 JK |
1441 | /* A structure that contains two string representations of a struct |
1442 | linespec_canonical_name: | |
1443 | - one where the the symtab's fullname is used; | |
1444 | - one where the filename followed the "set filename-display" | |
1445 | setting. */ | |
1446 | ||
1447 | struct decode_line_2_item | |
1448 | { | |
53a0f8a2 TT |
1449 | decode_line_2_item (std::string &&fullform_, std::string &&displayform_, |
1450 | bool selected_) | |
1451 | : fullform (std::move (fullform_)), | |
1452 | displayform (std::move (displayform_)), | |
1453 | selected (selected_) | |
1454 | { | |
1455 | } | |
33f448b1 | 1456 | |
53a0f8a2 TT |
1457 | /* The form using symtab_to_fullname. */ |
1458 | std::string fullform; | |
1459 | ||
1460 | /* The form using symtab_to_filename_for_display. */ | |
1461 | std::string displayform; | |
33f448b1 JK |
1462 | |
1463 | /* Field is initialized to zero and it is set to one if the user | |
1464 | requested breakpoint for this entry. */ | |
1465 | unsigned int selected : 1; | |
1466 | }; | |
1467 | ||
53a0f8a2 TT |
1468 | /* Helper for std::sort to sort decode_line_2_item entries by |
1469 | DISPLAYFORM and secondarily by FULLFORM. */ | |
33f448b1 | 1470 | |
53a0f8a2 TT |
1471 | static bool |
1472 | decode_line_2_compare_items (const decode_line_2_item &a, | |
1473 | const decode_line_2_item &b) | |
33f448b1 | 1474 | { |
53a0f8a2 TT |
1475 | if (a.displayform != b.displayform) |
1476 | return a.displayform < b.displayform; | |
1477 | return a.fullform < b.fullform; | |
33f448b1 JK |
1478 | } |
1479 | ||
f8eba3c6 TT |
1480 | /* Handle multiple results in RESULT depending on SELECT_MODE. This |
1481 | will either return normally, throw an exception on multiple | |
1482 | results, or present a menu to the user. On return, the SALS vector | |
1483 | in SELF->CANONICAL is set up properly. */ | |
1484 | ||
1485 | static void | |
1486 | decode_line_2 (struct linespec_state *self, | |
6c5b2ebe | 1487 | std::vector<symtab_and_line> *result, |
f8eba3c6 TT |
1488 | const char *select_mode) |
1489 | { | |
a121b7c1 PA |
1490 | char *args; |
1491 | const char *prompt; | |
50641945 | 1492 | int i; |
f73c6ece | 1493 | std::vector<const char *> filters; |
53a0f8a2 | 1494 | std::vector<struct decode_line_2_item> items; |
50641945 | 1495 | |
f8eba3c6 TT |
1496 | gdb_assert (select_mode != multiple_symbols_all); |
1497 | gdb_assert (self->canonical != NULL); | |
6c5b2ebe | 1498 | gdb_assert (!result->empty ()); |
33f448b1 | 1499 | |
33f448b1 | 1500 | /* Prepare ITEMS array. */ |
53a0f8a2 | 1501 | for (i = 0; i < result->size (); ++i) |
50641945 | 1502 | { |
33f448b1 JK |
1503 | const struct linespec_canonical_name *canonical; |
1504 | struct decode_line_2_item *item; | |
1505 | ||
53a0f8a2 TT |
1506 | std::string displayform; |
1507 | ||
33f448b1 JK |
1508 | canonical = &self->canonical_names[i]; |
1509 | gdb_assert (canonical->suffix != NULL); | |
f8eba3c6 | 1510 | |
53a0f8a2 | 1511 | std::string fullform = canonical_to_fullform (canonical); |
33f448b1 JK |
1512 | |
1513 | if (canonical->symtab == NULL) | |
53a0f8a2 | 1514 | displayform = canonical->suffix; |
33f448b1 | 1515 | else |
f8eba3c6 | 1516 | { |
33f448b1 JK |
1517 | const char *fn_for_display; |
1518 | ||
1519 | fn_for_display = symtab_to_filename_for_display (canonical->symtab); | |
53a0f8a2 TT |
1520 | displayform = string_printf ("%s:%s", fn_for_display, |
1521 | canonical->suffix); | |
f8eba3c6 TT |
1522 | } |
1523 | ||
53a0f8a2 TT |
1524 | items.emplace_back (std::move (fullform), std::move (displayform), |
1525 | false); | |
50641945 FN |
1526 | } |
1527 | ||
33f448b1 | 1528 | /* Sort the list of method names. */ |
53a0f8a2 | 1529 | std::sort (items.begin (), items.end (), decode_line_2_compare_items); |
33f448b1 JK |
1530 | |
1531 | /* Remove entries with the same FULLFORM. */ | |
53a0f8a2 TT |
1532 | items.erase (std::unique (items.begin (), items.end (), |
1533 | [] (const struct decode_line_2_item &a, | |
1534 | const struct decode_line_2_item &b) | |
1535 | { | |
1536 | return a.fullform == b.fullform; | |
1537 | }), | |
1538 | items.end ()); | |
1539 | ||
1540 | if (select_mode == multiple_symbols_cancel && items.size () > 1) | |
f8eba3c6 TT |
1541 | error (_("canceled because the command is ambiguous\n" |
1542 | "See set/show multiple-symbol.")); | |
1543 | ||
53a0f8a2 | 1544 | if (select_mode == multiple_symbols_all || items.size () == 1) |
50641945 | 1545 | { |
f8eba3c6 TT |
1546 | convert_results_to_lsals (self, result); |
1547 | return; | |
50641945 FN |
1548 | } |
1549 | ||
f8eba3c6 | 1550 | printf_unfiltered (_("[0] cancel\n[1] all\n")); |
53a0f8a2 TT |
1551 | for (i = 0; i < items.size (); i++) |
1552 | printf_unfiltered ("[%d] %s\n", i + 2, items[i].displayform.c_str ()); | |
f8eba3c6 TT |
1553 | |
1554 | prompt = getenv ("PS2"); | |
1555 | if (prompt == NULL) | |
50641945 | 1556 | { |
f8eba3c6 | 1557 | prompt = "> "; |
50641945 | 1558 | } |
f8eba3c6 | 1559 | args = command_line_input (prompt, 0, "overload-choice"); |
50641945 FN |
1560 | |
1561 | if (args == 0 || *args == 0) | |
e2e0b3e5 | 1562 | error_no_arg (_("one or more choice numbers")); |
50641945 | 1563 | |
bfd28288 PA |
1564 | number_or_range_parser parser (args); |
1565 | while (!parser.finished ()) | |
50641945 | 1566 | { |
bfd28288 | 1567 | int num = parser.get_number (); |
50641945 FN |
1568 | |
1569 | if (num == 0) | |
8a3fe4f8 | 1570 | error (_("canceled")); |
50641945 FN |
1571 | else if (num == 1) |
1572 | { | |
f8eba3c6 TT |
1573 | /* We intentionally make this result in a single breakpoint, |
1574 | contrary to what older versions of gdb did. The | |
1575 | rationale is that this lets a user get the | |
1576 | multiple_symbols_all behavior even with the 'ask' | |
1577 | setting; and he can get separate breakpoints by entering | |
1578 | "2-57" at the query. */ | |
f8eba3c6 TT |
1579 | convert_results_to_lsals (self, result); |
1580 | return; | |
50641945 FN |
1581 | } |
1582 | ||
f8eba3c6 | 1583 | num -= 2; |
53a0f8a2 | 1584 | if (num >= items.size ()) |
f8eba3c6 | 1585 | printf_unfiltered (_("No choice number %d.\n"), num); |
50641945 FN |
1586 | else |
1587 | { | |
33f448b1 | 1588 | struct decode_line_2_item *item = &items[num]; |
f8eba3c6 | 1589 | |
33f448b1 | 1590 | if (!item->selected) |
50641945 | 1591 | { |
f73c6ece | 1592 | filters.push_back (item->fullform.c_str ()); |
33f448b1 | 1593 | item->selected = 1; |
50641945 FN |
1594 | } |
1595 | else | |
1596 | { | |
3e43a32a | 1597 | printf_unfiltered (_("duplicate request for %d ignored.\n"), |
f6f99966 | 1598 | num + 2); |
50641945 FN |
1599 | } |
1600 | } | |
50641945 | 1601 | } |
f8eba3c6 TT |
1602 | |
1603 | filter_results (self, result, filters); | |
50641945 | 1604 | } |
94af9270 | 1605 | |
40e084e1 | 1606 | \f |
3d50dd94 | 1607 | |
40e084e1 KS |
1608 | /* The parser of linespec itself. */ |
1609 | ||
1610 | /* Throw an appropriate error when SYMBOL is not found (optionally in | |
1611 | FILENAME). */ | |
1612 | ||
1613 | static void ATTRIBUTE_NORETURN | |
5d94e27b | 1614 | symbol_not_found_error (const char *symbol, const char *filename) |
3d50dd94 | 1615 | { |
40e084e1 KS |
1616 | if (symbol == NULL) |
1617 | symbol = ""; | |
1618 | ||
1619 | if (!have_full_symbols () | |
1620 | && !have_partial_symbols () | |
1621 | && !have_minimal_symbols ()) | |
1622 | throw_error (NOT_FOUND_ERROR, | |
1623 | _("No symbol table is loaded. Use the \"file\" command.")); | |
1624 | ||
1625 | /* If SYMBOL starts with '$', the user attempted to either lookup | |
1626 | a function/variable in his code starting with '$' or an internal | |
1627 | variable of that name. Since we do not know which, be concise and | |
1628 | explain both possibilities. */ | |
1629 | if (*symbol == '$') | |
1630 | { | |
1631 | if (filename) | |
1632 | throw_error (NOT_FOUND_ERROR, | |
1633 | _("Undefined convenience variable or function \"%s\" " | |
1634 | "not defined in \"%s\"."), symbol, filename); | |
1635 | else | |
1636 | throw_error (NOT_FOUND_ERROR, | |
1637 | _("Undefined convenience variable or function \"%s\" " | |
1638 | "not defined."), symbol); | |
1639 | } | |
1640 | else | |
1641 | { | |
1642 | if (filename) | |
1643 | throw_error (NOT_FOUND_ERROR, | |
1644 | _("Function \"%s\" not defined in \"%s\"."), | |
1645 | symbol, filename); | |
1646 | else | |
1647 | throw_error (NOT_FOUND_ERROR, | |
1648 | _("Function \"%s\" not defined."), symbol); | |
1649 | } | |
3d50dd94 JK |
1650 | } |
1651 | ||
40e084e1 KS |
1652 | /* Throw an appropriate error when an unexpected token is encountered |
1653 | in the input. */ | |
94af9270 | 1654 | |
40e084e1 KS |
1655 | static void ATTRIBUTE_NORETURN |
1656 | unexpected_linespec_error (linespec_parser *parser) | |
94af9270 | 1657 | { |
40e084e1 KS |
1658 | linespec_token token; |
1659 | static const char * token_type_strings[] | |
1660 | = {"keyword", "colon", "string", "number", "comma", "end of input"}; | |
94af9270 | 1661 | |
40e084e1 KS |
1662 | /* Get the token that generated the error. */ |
1663 | token = linespec_lexer_lex_one (parser); | |
94af9270 | 1664 | |
40e084e1 KS |
1665 | /* Finally, throw the error. */ |
1666 | if (token.type == LSTOKEN_STRING || token.type == LSTOKEN_NUMBER | |
1667 | || token.type == LSTOKEN_KEYWORD) | |
94af9270 | 1668 | { |
a5b5adf5 | 1669 | gdb::unique_xmalloc_ptr<char> string = copy_token_string (token); |
40e084e1 KS |
1670 | throw_error (GENERIC_ERROR, |
1671 | _("malformed linespec error: unexpected %s, \"%s\""), | |
a5b5adf5 | 1672 | token_type_strings[token.type], string.get ()); |
40e084e1 KS |
1673 | } |
1674 | else | |
1675 | throw_error (GENERIC_ERROR, | |
1676 | _("malformed linespec error: unexpected %s"), | |
1677 | token_type_strings[token.type]); | |
1678 | } | |
1679 | ||
00e52e53 KS |
1680 | /* Throw an undefined label error. */ |
1681 | ||
1682 | static void ATTRIBUTE_NORETURN | |
1683 | undefined_label_error (const char *function, const char *label) | |
1684 | { | |
1685 | if (function != NULL) | |
1686 | throw_error (NOT_FOUND_ERROR, | |
1687 | _("No label \"%s\" defined in function \"%s\"."), | |
1688 | label, function); | |
1689 | else | |
1690 | throw_error (NOT_FOUND_ERROR, | |
1691 | _("No label \"%s\" defined in current function."), | |
1692 | label); | |
1693 | } | |
1694 | ||
1695 | /* Throw a source file not found error. */ | |
1696 | ||
1697 | static void ATTRIBUTE_NORETURN | |
1698 | source_file_not_found_error (const char *name) | |
1699 | { | |
1700 | throw_error (NOT_FOUND_ERROR, _("No source file named %s."), name); | |
1701 | } | |
1702 | ||
c45ec17c PA |
1703 | /* Unless at EIO, save the current stream position as completion word |
1704 | point, and consume the next token. */ | |
1705 | ||
1706 | static linespec_token | |
1707 | save_stream_and_consume_token (linespec_parser *parser) | |
1708 | { | |
1709 | if (linespec_lexer_peek_token (parser).type != LSTOKEN_EOI) | |
1710 | parser->completion_word = PARSER_STREAM (parser); | |
1711 | return linespec_lexer_consume_token (parser); | |
1712 | } | |
1713 | ||
87f0e720 | 1714 | /* See description in linespec.h. */ |
40e084e1 | 1715 | |
87f0e720 | 1716 | struct line_offset |
09cf2b22 | 1717 | linespec_parse_line_offset (const char *string) |
40e084e1 | 1718 | { |
87f0e720 | 1719 | const char *start = string; |
40e084e1 KS |
1720 | struct line_offset line_offset = {0, LINE_OFFSET_NONE}; |
1721 | ||
1722 | if (*string == '+') | |
1723 | { | |
1724 | line_offset.sign = LINE_OFFSET_PLUS; | |
1725 | ++string; | |
1726 | } | |
1727 | else if (*string == '-') | |
1728 | { | |
1729 | line_offset.sign = LINE_OFFSET_MINUS; | |
1730 | ++string; | |
1731 | } | |
1732 | ||
87f0e720 KS |
1733 | if (*string != '\0' && !isdigit (*string)) |
1734 | error (_("malformed line offset: \"%s\""), start); | |
1735 | ||
40e084e1 KS |
1736 | /* Right now, we only allow base 10 for offsets. */ |
1737 | line_offset.offset = atoi (string); | |
1738 | return line_offset; | |
1739 | } | |
1740 | ||
c45ec17c PA |
1741 | /* In completion mode, if the user is still typing the number, there's |
1742 | no possible completion to offer. But if there's already input past | |
1743 | the number, setup to expect NEXT. */ | |
1744 | ||
1745 | static void | |
1746 | set_completion_after_number (linespec_parser *parser, | |
1747 | linespec_complete_what next) | |
1748 | { | |
1749 | if (*PARSER_STREAM (parser) == ' ') | |
1750 | { | |
f1735a53 | 1751 | parser->completion_word = skip_spaces (PARSER_STREAM (parser) + 1); |
c45ec17c PA |
1752 | parser->complete_what = next; |
1753 | } | |
1754 | else | |
1755 | { | |
1756 | parser->completion_word = PARSER_STREAM (parser); | |
1757 | parser->complete_what = linespec_complete_what::NOTHING; | |
1758 | } | |
1759 | } | |
1760 | ||
40e084e1 KS |
1761 | /* Parse the basic_spec in PARSER's input. */ |
1762 | ||
1763 | static void | |
1764 | linespec_parse_basic (linespec_parser *parser) | |
1765 | { | |
a5b5adf5 | 1766 | gdb::unique_xmalloc_ptr<char> name; |
40e084e1 KS |
1767 | linespec_token token; |
1768 | VEC (symbolp) *symbols, *labels; | |
f60e2d5c | 1769 | VEC (bound_minimal_symbol_d) *minimal_symbols; |
40e084e1 KS |
1770 | |
1771 | /* Get the next token. */ | |
1772 | token = linespec_lexer_lex_one (parser); | |
1773 | ||
1774 | /* If it is EOI or KEYWORD, issue an error. */ | |
c45ec17c PA |
1775 | if (token.type == LSTOKEN_KEYWORD) |
1776 | { | |
1777 | parser->complete_what = linespec_complete_what::NOTHING; | |
1778 | unexpected_linespec_error (parser); | |
1779 | } | |
1780 | else if (token.type == LSTOKEN_EOI) | |
1781 | { | |
1782 | unexpected_linespec_error (parser); | |
1783 | } | |
40e084e1 KS |
1784 | /* If it is a LSTOKEN_NUMBER, we have an offset. */ |
1785 | else if (token.type == LSTOKEN_NUMBER) | |
1786 | { | |
c45ec17c PA |
1787 | set_completion_after_number (parser, linespec_complete_what::KEYWORD); |
1788 | ||
40e084e1 KS |
1789 | /* Record the line offset and get the next token. */ |
1790 | name = copy_token_string (token); | |
a5b5adf5 TT |
1791 | PARSER_EXPLICIT (parser)->line_offset |
1792 | = linespec_parse_line_offset (name.get ()); | |
40e084e1 KS |
1793 | |
1794 | /* Get the next token. */ | |
1795 | token = linespec_lexer_consume_token (parser); | |
1796 | ||
1797 | /* If the next token is a comma, stop parsing and return. */ | |
1798 | if (token.type == LSTOKEN_COMMA) | |
c45ec17c PA |
1799 | { |
1800 | parser->complete_what = linespec_complete_what::NOTHING; | |
1801 | return; | |
1802 | } | |
40e084e1 KS |
1803 | |
1804 | /* If the next token is anything but EOI or KEYWORD, issue | |
1805 | an error. */ | |
1806 | if (token.type != LSTOKEN_KEYWORD && token.type != LSTOKEN_EOI) | |
1807 | unexpected_linespec_error (parser); | |
1808 | } | |
1809 | ||
1810 | if (token.type == LSTOKEN_KEYWORD || token.type == LSTOKEN_EOI) | |
1811 | return; | |
1812 | ||
1813 | /* Next token must be LSTOKEN_STRING. */ | |
1814 | if (token.type != LSTOKEN_STRING) | |
c45ec17c PA |
1815 | { |
1816 | parser->complete_what = linespec_complete_what::NOTHING; | |
1817 | unexpected_linespec_error (parser); | |
1818 | } | |
40e084e1 KS |
1819 | |
1820 | /* The current token will contain the name of a function, method, | |
1821 | or label. */ | |
c45ec17c | 1822 | name = copy_token_string (token); |
c45ec17c PA |
1823 | |
1824 | if (parser->completion_tracker != NULL) | |
1825 | { | |
1826 | /* If the function name ends with a ":", then this may be an | |
1827 | incomplete "::" scope operator instead of a label separator. | |
1828 | E.g., | |
1829 | "b klass:<tab>" | |
1830 | which should expand to: | |
1831 | "b klass::method()" | |
1832 | ||
1833 | Do a tentative completion assuming the later. If we find | |
1834 | completions, advance the stream past the colon token and make | |
1835 | it part of the function name/token. */ | |
1836 | ||
1837 | if (!parser->completion_quote_char | |
1838 | && strcmp (PARSER_STREAM (parser), ":") == 0) | |
1839 | { | |
1840 | completion_tracker tmp_tracker; | |
1841 | const char *source_filename | |
1842 | = PARSER_EXPLICIT (parser)->source_filename; | |
a20714ff PA |
1843 | symbol_name_match_type match_type |
1844 | = PARSER_EXPLICIT (parser)->func_name_match_type; | |
c45ec17c PA |
1845 | |
1846 | linespec_complete_function (tmp_tracker, | |
1847 | parser->completion_word, | |
a20714ff | 1848 | match_type, |
c45ec17c PA |
1849 | source_filename); |
1850 | ||
1851 | if (tmp_tracker.have_completions ()) | |
1852 | { | |
1853 | PARSER_STREAM (parser)++; | |
1854 | LS_TOKEN_STOKEN (token).length++; | |
1855 | ||
a5b5adf5 TT |
1856 | name.reset (savestring (parser->completion_word, |
1857 | (PARSER_STREAM (parser) | |
1858 | - parser->completion_word))); | |
c45ec17c PA |
1859 | } |
1860 | } | |
1861 | ||
a5b5adf5 | 1862 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
c45ec17c PA |
1863 | } |
1864 | else | |
1865 | { | |
6a307fc5 TT |
1866 | /* Try looking it up as a function/method. */ |
1867 | find_linespec_symbols (PARSER_STATE (parser), | |
a5b5adf5 | 1868 | PARSER_RESULT (parser)->file_symtabs, name.get (), |
6a307fc5 TT |
1869 | PARSER_EXPLICIT (parser)->func_name_match_type, |
1870 | &symbols, &minimal_symbols); | |
40e084e1 | 1871 | |
6a307fc5 | 1872 | if (symbols != NULL || minimal_symbols != NULL) |
94af9270 | 1873 | { |
6a307fc5 TT |
1874 | PARSER_RESULT (parser)->function_symbols = symbols; |
1875 | PARSER_RESULT (parser)->minimal_symbols = minimal_symbols; | |
a5b5adf5 | 1876 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
40e084e1 | 1877 | symbols = NULL; |
40e084e1 | 1878 | } |
6a307fc5 | 1879 | else |
b4013987 | 1880 | { |
6a307fc5 TT |
1881 | /* NAME was not a function or a method. So it must be a label |
1882 | name or user specified variable like "break foo.c:$zippo". */ | |
1883 | labels = find_label_symbols (PARSER_STATE (parser), NULL, | |
a5b5adf5 | 1884 | &symbols, name.get ()); |
6a307fc5 TT |
1885 | if (labels != NULL) |
1886 | { | |
1887 | PARSER_RESULT (parser)->labels.label_symbols = labels; | |
1888 | PARSER_RESULT (parser)->labels.function_symbols = symbols; | |
a5b5adf5 | 1889 | PARSER_EXPLICIT (parser)->label_name = name.release (); |
6a307fc5 | 1890 | symbols = NULL; |
6a307fc5 TT |
1891 | } |
1892 | else if (token.type == LSTOKEN_STRING | |
1893 | && *LS_TOKEN_STOKEN (token).ptr == '$') | |
1894 | { | |
1895 | /* User specified a convenience variable or history value. */ | |
1896 | PARSER_EXPLICIT (parser)->line_offset | |
a5b5adf5 | 1897 | = linespec_parse_variable (PARSER_STATE (parser), name.get ()); |
b4013987 | 1898 | |
6a307fc5 TT |
1899 | if (PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN) |
1900 | { | |
1901 | /* The user-specified variable was not valid. Do not | |
1902 | throw an error here. parse_linespec will do it for us. */ | |
a5b5adf5 | 1903 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
6a307fc5 TT |
1904 | return; |
1905 | } | |
6a307fc5 TT |
1906 | } |
1907 | else | |
b4013987 | 1908 | { |
6a307fc5 TT |
1909 | /* The name is also not a label. Abort parsing. Do not throw |
1910 | an error here. parse_linespec will do it for us. */ | |
1911 | ||
1912 | /* Save a copy of the name we were trying to lookup. */ | |
a5b5adf5 | 1913 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
b4013987 AA |
1914 | return; |
1915 | } | |
1916 | } | |
c45ec17c PA |
1917 | } |
1918 | ||
1919 | int previous_qc = parser->completion_quote_char; | |
40e084e1 KS |
1920 | |
1921 | /* Get the next token. */ | |
1922 | token = linespec_lexer_consume_token (parser); | |
1923 | ||
c45ec17c PA |
1924 | if (token.type == LSTOKEN_EOI) |
1925 | { | |
1926 | if (previous_qc && !parser->completion_quote_char) | |
1927 | parser->complete_what = linespec_complete_what::KEYWORD; | |
1928 | } | |
1929 | else if (token.type == LSTOKEN_COLON) | |
40e084e1 KS |
1930 | { |
1931 | /* User specified a label or a lineno. */ | |
1932 | token = linespec_lexer_consume_token (parser); | |
1933 | ||
1934 | if (token.type == LSTOKEN_NUMBER) | |
1935 | { | |
1936 | /* User specified an offset. Record the line offset and | |
1937 | get the next token. */ | |
c45ec17c PA |
1938 | set_completion_after_number (parser, linespec_complete_what::KEYWORD); |
1939 | ||
40e084e1 | 1940 | name = copy_token_string (token); |
00e52e53 | 1941 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 1942 | = linespec_parse_line_offset (name.get ()); |
40e084e1 | 1943 | |
c45ec17c | 1944 | /* Get the next token. */ |
40e084e1 KS |
1945 | token = linespec_lexer_consume_token (parser); |
1946 | } | |
c45ec17c PA |
1947 | else if (token.type == LSTOKEN_EOI && parser->completion_tracker != NULL) |
1948 | { | |
1949 | parser->complete_what = linespec_complete_what::LABEL; | |
1950 | } | |
40e084e1 KS |
1951 | else if (token.type == LSTOKEN_STRING) |
1952 | { | |
c45ec17c PA |
1953 | parser->complete_what = linespec_complete_what::LABEL; |
1954 | ||
1955 | /* If we have text after the label separated by whitespace | |
1956 | (e.g., "b func():lab i<tab>"), don't consider it part of | |
1957 | the label. In completion mode that should complete to | |
1958 | "if", in normal mode, the 'i' should be treated as | |
1959 | garbage. */ | |
1960 | if (parser->completion_quote_char == '\0') | |
1961 | { | |
1962 | const char *ptr = LS_TOKEN_STOKEN (token).ptr; | |
1963 | for (size_t i = 0; i < LS_TOKEN_STOKEN (token).length; i++) | |
1964 | { | |
1965 | if (ptr[i] == ' ') | |
1966 | { | |
1967 | LS_TOKEN_STOKEN (token).length = i; | |
f1735a53 | 1968 | PARSER_STREAM (parser) = skip_spaces (ptr + i + 1); |
c45ec17c PA |
1969 | break; |
1970 | } | |
1971 | } | |
1972 | } | |
1973 | ||
1974 | if (parser->completion_tracker != NULL) | |
1975 | { | |
1976 | if (PARSER_STREAM (parser)[-1] == ' ') | |
1977 | { | |
1978 | parser->completion_word = PARSER_STREAM (parser); | |
1979 | parser->complete_what = linespec_complete_what::KEYWORD; | |
1980 | } | |
1981 | } | |
1982 | else | |
1983 | { | |
6a307fc5 TT |
1984 | /* Grab a copy of the label's name and look it up. */ |
1985 | name = copy_token_string (token); | |
6a307fc5 TT |
1986 | labels |
1987 | = find_label_symbols (PARSER_STATE (parser), | |
1988 | PARSER_RESULT (parser)->function_symbols, | |
a5b5adf5 | 1989 | &symbols, name.get ()); |
40e084e1 | 1990 | |
6a307fc5 TT |
1991 | if (labels != NULL) |
1992 | { | |
1993 | PARSER_RESULT (parser)->labels.label_symbols = labels; | |
1994 | PARSER_RESULT (parser)->labels.function_symbols = symbols; | |
a5b5adf5 | 1995 | PARSER_EXPLICIT (parser)->label_name = name.release (); |
6a307fc5 | 1996 | symbols = NULL; |
6a307fc5 TT |
1997 | } |
1998 | else | |
1999 | { | |
2000 | /* We don't know what it was, but it isn't a label. */ | |
2001 | undefined_label_error | |
a5b5adf5 | 2002 | (PARSER_EXPLICIT (parser)->function_name, name.get ()); |
6a307fc5 | 2003 | } |
40e084e1 | 2004 | |
c45ec17c PA |
2005 | } |
2006 | ||
40e084e1 | 2007 | /* Check for a line offset. */ |
c45ec17c | 2008 | token = save_stream_and_consume_token (parser); |
40e084e1 KS |
2009 | if (token.type == LSTOKEN_COLON) |
2010 | { | |
2011 | /* Get the next token. */ | |
2012 | token = linespec_lexer_consume_token (parser); | |
2013 | ||
2014 | /* It must be a line offset. */ | |
2015 | if (token.type != LSTOKEN_NUMBER) | |
2016 | unexpected_linespec_error (parser); | |
2017 | ||
c6756f62 | 2018 | /* Record the line offset and get the next token. */ |
40e084e1 | 2019 | name = copy_token_string (token); |
40e084e1 | 2020 | |
00e52e53 | 2021 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 2022 | = linespec_parse_line_offset (name.get ()); |
40e084e1 KS |
2023 | |
2024 | /* Get the next token. */ | |
2025 | token = linespec_lexer_consume_token (parser); | |
94af9270 KS |
2026 | } |
2027 | } | |
40e084e1 KS |
2028 | else |
2029 | { | |
2030 | /* Trailing ':' in the input. Issue an error. */ | |
2031 | unexpected_linespec_error (parser); | |
2032 | } | |
94af9270 | 2033 | } |
40e084e1 | 2034 | } |
94af9270 | 2035 | |
40e084e1 | 2036 | /* Canonicalize the linespec contained in LS. The result is saved into |
00e52e53 KS |
2037 | STATE->canonical. This function handles both linespec and explicit |
2038 | locations. */ | |
40e084e1 KS |
2039 | |
2040 | static void | |
f00aae0f | 2041 | canonicalize_linespec (struct linespec_state *state, const linespec_p ls) |
40e084e1 | 2042 | { |
00e52e53 | 2043 | struct event_location *canon; |
67994074 | 2044 | struct explicit_location *explicit_loc; |
f00aae0f | 2045 | |
40e084e1 KS |
2046 | /* If canonicalization was not requested, no need to do anything. */ |
2047 | if (!state->canonical) | |
2048 | return; | |
2049 | ||
00e52e53 | 2050 | /* Save everything as an explicit location. */ |
8e9e35b1 TT |
2051 | state->canonical->location |
2052 | = new_explicit_location (&ls->explicit_loc); | |
2053 | canon = state->canonical->location.get (); | |
67994074 | 2054 | explicit_loc = get_explicit_location (canon); |
40e084e1 | 2055 | |
67994074 | 2056 | if (explicit_loc->label_name != NULL) |
a06efdd6 | 2057 | { |
00e52e53 | 2058 | state->canonical->special_display = 1; |
40e084e1 | 2059 | |
67994074 | 2060 | if (explicit_loc->function_name == NULL) |
40e084e1 | 2061 | { |
a06efdd6 KS |
2062 | struct symbol *s; |
2063 | ||
2064 | /* No function was specified, so add the symbol name. */ | |
2065 | gdb_assert (ls->labels.function_symbols != NULL | |
2066 | && (VEC_length (symbolp, ls->labels.function_symbols) | |
2067 | == 1)); | |
2068 | s = VEC_index (symbolp, ls->labels.function_symbols, 0); | |
67994074 | 2069 | explicit_loc->function_name = xstrdup (SYMBOL_NATURAL_NAME (s)); |
40e084e1 | 2070 | } |
a06efdd6 | 2071 | } |
40e084e1 | 2072 | |
00e52e53 KS |
2073 | /* If this location originally came from a linespec, save a string |
2074 | representation of it for display and saving to file. */ | |
2075 | if (state->is_linespec) | |
a06efdd6 | 2076 | { |
67994074 | 2077 | char *linespec = explicit_location_to_linespec (explicit_loc); |
a06efdd6 | 2078 | |
00e52e53 KS |
2079 | set_event_location_string (canon, linespec); |
2080 | xfree (linespec); | |
2081 | } | |
94af9270 | 2082 | } |
c00f8484 | 2083 | |
40e084e1 | 2084 | /* Given a line offset in LS, construct the relevant SALs. */ |
c00f8484 | 2085 | |
6c5b2ebe | 2086 | static std::vector<symtab_and_line> |
40e084e1 KS |
2087 | create_sals_line_offset (struct linespec_state *self, |
2088 | linespec_p ls) | |
c00f8484 | 2089 | { |
40e084e1 | 2090 | int use_default = 0; |
c00f8484 | 2091 | |
40e084e1 KS |
2092 | /* This is where we need to make sure we have good defaults. |
2093 | We must guarantee that this section of code is never executed | |
2e47c6ca | 2094 | when we are called with just a function name, since |
40e084e1 KS |
2095 | set_default_source_symtab_and_line uses |
2096 | select_source_symtab that calls us with such an argument. */ | |
2097 | ||
ec94af83 DE |
2098 | if (VEC_length (symtab_ptr, ls->file_symtabs) == 1 |
2099 | && VEC_index (symtab_ptr, ls->file_symtabs, 0) == NULL) | |
3d50dd94 | 2100 | { |
05cba821 JK |
2101 | const char *fullname; |
2102 | ||
40e084e1 | 2103 | set_current_program_space (self->program_space); |
c00f8484 | 2104 | |
40e084e1 KS |
2105 | /* Make sure we have at least a default source line. */ |
2106 | set_default_source_symtab_and_line (); | |
2107 | initialize_defaults (&self->default_symtab, &self->default_line); | |
05cba821 | 2108 | fullname = symtab_to_fullname (self->default_symtab); |
ec94af83 DE |
2109 | VEC_pop (symtab_ptr, ls->file_symtabs); |
2110 | VEC_free (symtab_ptr, ls->file_symtabs); | |
c2f4122d PA |
2111 | ls->file_symtabs = collect_symtabs_from_filename (fullname, |
2112 | self->search_pspace); | |
40e084e1 KS |
2113 | use_default = 1; |
2114 | } | |
c00f8484 | 2115 | |
51abb421 | 2116 | symtab_and_line val; |
67994074 KS |
2117 | val.line = ls->explicit_loc.line_offset.offset; |
2118 | switch (ls->explicit_loc.line_offset.sign) | |
40e084e1 KS |
2119 | { |
2120 | case LINE_OFFSET_PLUS: | |
67994074 | 2121 | if (ls->explicit_loc.line_offset.offset == 0) |
40e084e1 KS |
2122 | val.line = 5; |
2123 | if (use_default) | |
2124 | val.line = self->default_line + val.line; | |
2125 | break; | |
2126 | ||
2127 | case LINE_OFFSET_MINUS: | |
67994074 | 2128 | if (ls->explicit_loc.line_offset.offset == 0) |
40e084e1 KS |
2129 | val.line = 15; |
2130 | if (use_default) | |
2131 | val.line = self->default_line - val.line; | |
2132 | else | |
2133 | val.line = -val.line; | |
2134 | break; | |
2135 | ||
2136 | case LINE_OFFSET_NONE: | |
2137 | break; /* No need to adjust val.line. */ | |
2138 | } | |
2139 | ||
6c5b2ebe | 2140 | std::vector<symtab_and_line> values; |
40e084e1 | 2141 | if (self->list_mode) |
6c5b2ebe | 2142 | values = decode_digits_list_mode (self, ls, val); |
40e084e1 KS |
2143 | else |
2144 | { | |
2145 | struct linetable_entry *best_entry = NULL; | |
40e084e1 KS |
2146 | int i, j; |
2147 | ||
6c5b2ebe PA |
2148 | std::vector<symtab_and_line> intermediate_results |
2149 | = decode_digits_ordinary (self, ls, val.line, &best_entry); | |
2150 | if (intermediate_results.empty () && best_entry != NULL) | |
2151 | intermediate_results = decode_digits_ordinary (self, ls, | |
2152 | best_entry->line, | |
2153 | &best_entry); | |
40e084e1 KS |
2154 | |
2155 | /* For optimized code, the compiler can scatter one source line | |
2156 | across disjoint ranges of PC values, even when no duplicate | |
2157 | functions or inline functions are involved. For example, | |
2158 | 'for (;;)' inside a non-template, non-inline, and non-ctor-or-dtor | |
2159 | function can result in two PC ranges. In this case, we don't | |
2160 | want to set a breakpoint on the first PC of each range. To filter | |
2161 | such cases, we use containing blocks -- for each PC found | |
2162 | above, we see if there are other PCs that are in the same | |
2163 | block. If yes, the other PCs are filtered out. */ | |
2164 | ||
0fc21fd8 TT |
2165 | gdb::def_vector<int> filter (intermediate_results.size ()); |
2166 | gdb::def_vector<const block *> blocks (intermediate_results.size ()); | |
40e084e1 | 2167 | |
6c5b2ebe | 2168 | for (i = 0; i < intermediate_results.size (); ++i) |
3d50dd94 | 2169 | { |
6c5b2ebe | 2170 | set_current_program_space (intermediate_results[i].pspace); |
c00f8484 | 2171 | |
40e084e1 | 2172 | filter[i] = 1; |
6c5b2ebe PA |
2173 | blocks[i] = block_for_pc_sect (intermediate_results[i].pc, |
2174 | intermediate_results[i].section); | |
3d50dd94 | 2175 | } |
c00f8484 | 2176 | |
6c5b2ebe | 2177 | for (i = 0; i < intermediate_results.size (); ++i) |
40e084e1 KS |
2178 | { |
2179 | if (blocks[i] != NULL) | |
6c5b2ebe | 2180 | for (j = i + 1; j < intermediate_results.size (); ++j) |
40e084e1 KS |
2181 | { |
2182 | if (blocks[j] == blocks[i]) | |
2183 | { | |
2184 | filter[j] = 0; | |
2185 | break; | |
2186 | } | |
2187 | } | |
2188 | } | |
c00f8484 | 2189 | |
6c5b2ebe | 2190 | for (i = 0; i < intermediate_results.size (); ++i) |
40e084e1 KS |
2191 | if (filter[i]) |
2192 | { | |
2193 | struct symbol *sym = (blocks[i] | |
2194 | ? block_containing_function (blocks[i]) | |
2195 | : NULL); | |
3d50dd94 | 2196 | |
40e084e1 | 2197 | if (self->funfirstline) |
6c5b2ebe | 2198 | skip_prologue_sal (&intermediate_results[i]); |
cd2bb709 | 2199 | intermediate_results[i].symbol = sym; |
6c5b2ebe | 2200 | add_sal_to_sals (self, &values, &intermediate_results[i], |
66f1999b | 2201 | sym ? SYMBOL_NATURAL_NAME (sym) : NULL, 0); |
40e084e1 | 2202 | } |
f17170e5 | 2203 | } |
c00f8484 | 2204 | |
6c5b2ebe | 2205 | if (values.empty ()) |
40e084e1 | 2206 | { |
67994074 | 2207 | if (ls->explicit_loc.source_filename) |
40e084e1 | 2208 | throw_error (NOT_FOUND_ERROR, _("No line %d in file \"%s\"."), |
67994074 | 2209 | val.line, ls->explicit_loc.source_filename); |
40e084e1 KS |
2210 | else |
2211 | throw_error (NOT_FOUND_ERROR, _("No line %d in the current file."), | |
2212 | val.line); | |
2213 | } | |
3d50dd94 | 2214 | |
40e084e1 | 2215 | return values; |
c00f8484 KS |
2216 | } |
2217 | ||
a06efdd6 KS |
2218 | /* Convert the given ADDRESS into SaLs. */ |
2219 | ||
6c5b2ebe | 2220 | static std::vector<symtab_and_line> |
a06efdd6 KS |
2221 | convert_address_location_to_sals (struct linespec_state *self, |
2222 | CORE_ADDR address) | |
2223 | { | |
6c5b2ebe | 2224 | symtab_and_line sal = find_pc_line (address, 0); |
a06efdd6 KS |
2225 | sal.pc = address; |
2226 | sal.section = find_pc_overlay (address); | |
2227 | sal.explicit_pc = 1; | |
cd2bb709 | 2228 | sal.symbol = find_pc_sect_containing_function (sal.pc, sal.section); |
6c5b2ebe PA |
2229 | |
2230 | std::vector<symtab_and_line> sals; | |
a06efdd6 KS |
2231 | add_sal_to_sals (self, &sals, &sal, core_addr_to_string (address), 1); |
2232 | ||
2233 | return sals; | |
2234 | } | |
2235 | ||
40e084e1 KS |
2236 | /* Create and return SALs from the linespec LS. */ |
2237 | ||
6c5b2ebe | 2238 | static std::vector<symtab_and_line> |
40e084e1 KS |
2239 | convert_linespec_to_sals (struct linespec_state *state, linespec_p ls) |
2240 | { | |
6c5b2ebe | 2241 | std::vector<symtab_and_line> sals; |
40e084e1 | 2242 | |
a06efdd6 | 2243 | if (ls->labels.label_symbols != NULL) |
40e084e1 KS |
2244 | { |
2245 | /* We have just a bunch of functions/methods or labels. */ | |
2246 | int i; | |
2247 | struct symtab_and_line sal; | |
2248 | struct symbol *sym; | |
2249 | ||
2250 | for (i = 0; VEC_iterate (symbolp, ls->labels.label_symbols, i, sym); ++i) | |
2251 | { | |
08be3fe3 | 2252 | struct program_space *pspace = SYMTAB_PSPACE (symbol_symtab (sym)); |
fdbb204b TT |
2253 | |
2254 | if (symbol_to_sal (&sal, state->funfirstline, sym) | |
2255 | && maybe_add_address (state->addr_set, pspace, sal.pc)) | |
64b92e45 KS |
2256 | add_sal_to_sals (state, &sals, &sal, |
2257 | SYMBOL_NATURAL_NAME (sym), 0); | |
40e084e1 KS |
2258 | } |
2259 | } | |
2260 | else if (ls->function_symbols != NULL || ls->minimal_symbols != NULL) | |
2261 | { | |
2262 | /* We have just a bunch of functions and/or methods. */ | |
40e084e1 KS |
2263 | if (ls->function_symbols != NULL) |
2264 | { | |
2265 | /* Sort symbols so that symbols with the same program space are next | |
2266 | to each other. */ | |
2267 | qsort (VEC_address (symbolp, ls->function_symbols), | |
2268 | VEC_length (symbolp, ls->function_symbols), | |
2269 | sizeof (symbolp), compare_symbols); | |
2270 | ||
76af0f26 PA |
2271 | struct symbol *sym; |
2272 | for (int i = 0; VEC_iterate (symbolp, ls->function_symbols, i, sym); ++i) | |
40e084e1 | 2273 | { |
76af0f26 | 2274 | program_space *pspace = SYMTAB_PSPACE (symbol_symtab (sym)); |
40e084e1 | 2275 | set_current_program_space (pspace); |
76af0f26 PA |
2276 | |
2277 | /* Don't skip to the first line of the function if we | |
2278 | had found an ifunc minimal symbol for this function, | |
2279 | because that means that this function is an ifunc | |
2280 | resolver with the same name as the ifunc itself. */ | |
2281 | bool found_ifunc = false; | |
2282 | ||
2283 | if (state->funfirstline | |
2284 | && ls->minimal_symbols != NULL | |
2285 | && SYMBOL_CLASS (sym) == LOC_BLOCK) | |
2286 | { | |
2287 | const CORE_ADDR addr | |
2288 | = BLOCK_START (SYMBOL_BLOCK_VALUE (sym)); | |
2289 | ||
2290 | bound_minimal_symbol_d *elem; | |
2291 | for (int m = 0; | |
2292 | VEC_iterate (bound_minimal_symbol_d, ls->minimal_symbols, | |
2293 | m, elem); | |
2294 | ++m) | |
2295 | { | |
2296 | if (MSYMBOL_TYPE (elem->minsym) == mst_text_gnu_ifunc | |
f50776aa | 2297 | || MSYMBOL_TYPE (elem->minsym) == mst_data_gnu_ifunc) |
76af0f26 | 2298 | { |
f50776aa PA |
2299 | CORE_ADDR msym_addr = BMSYMBOL_VALUE_ADDRESS (*elem); |
2300 | if (MSYMBOL_TYPE (elem->minsym) == mst_data_gnu_ifunc) | |
2301 | { | |
2302 | struct gdbarch *gdbarch | |
2303 | = get_objfile_arch (elem->objfile); | |
2304 | msym_addr | |
2305 | = (gdbarch_convert_from_func_ptr_addr | |
2306 | (gdbarch, | |
2307 | msym_addr, | |
8b88a78e | 2308 | current_top_target ())); |
f50776aa PA |
2309 | } |
2310 | ||
2311 | if (msym_addr == addr) | |
2312 | { | |
2313 | found_ifunc = true; | |
2314 | break; | |
2315 | } | |
76af0f26 PA |
2316 | } |
2317 | } | |
2318 | } | |
2319 | ||
2320 | if (!found_ifunc) | |
2321 | { | |
2322 | symtab_and_line sal; | |
2323 | if (symbol_to_sal (&sal, state->funfirstline, sym) | |
2324 | && maybe_add_address (state->addr_set, pspace, sal.pc)) | |
2325 | add_sal_to_sals (state, &sals, &sal, | |
2326 | SYMBOL_NATURAL_NAME (sym), 0); | |
2327 | } | |
40e084e1 KS |
2328 | } |
2329 | } | |
2330 | ||
2331 | if (ls->minimal_symbols != NULL) | |
2332 | { | |
76af0f26 | 2333 | /* Sort minimal symbols by program space, too */ |
f60e2d5c TT |
2334 | qsort (VEC_address (bound_minimal_symbol_d, ls->minimal_symbols), |
2335 | VEC_length (bound_minimal_symbol_d, ls->minimal_symbols), | |
2336 | sizeof (bound_minimal_symbol_d), compare_msymbols); | |
40e084e1 | 2337 | |
76af0f26 PA |
2338 | bound_minimal_symbol_d *elem; |
2339 | ||
2340 | for (int i = 0; | |
f60e2d5c TT |
2341 | VEC_iterate (bound_minimal_symbol_d, ls->minimal_symbols, |
2342 | i, elem); | |
40e084e1 KS |
2343 | ++i) |
2344 | { | |
76af0f26 | 2345 | program_space *pspace = elem->objfile->pspace; |
40e084e1 KS |
2346 | set_current_program_space (pspace); |
2347 | minsym_found (state, elem->objfile, elem->minsym, &sals); | |
2348 | } | |
2349 | } | |
2350 | } | |
67994074 | 2351 | else if (ls->explicit_loc.line_offset.sign != LINE_OFFSET_UNKNOWN) |
40e084e1 KS |
2352 | { |
2353 | /* Only an offset was specified. */ | |
2354 | sals = create_sals_line_offset (state, ls); | |
2355 | ||
2356 | /* Make sure we have a filename for canonicalization. */ | |
67994074 | 2357 | if (ls->explicit_loc.source_filename == NULL) |
05cba821 JK |
2358 | { |
2359 | const char *fullname = symtab_to_fullname (state->default_symtab); | |
2360 | ||
e93ba630 JK |
2361 | /* It may be more appropriate to keep DEFAULT_SYMTAB in its symtab |
2362 | form so that displaying SOURCE_FILENAME can follow the current | |
2363 | FILENAME_DISPLAY_STRING setting. But as it is used only rarely | |
2364 | it has been kept for code simplicity only in absolute form. */ | |
67994074 | 2365 | ls->explicit_loc.source_filename = xstrdup (fullname); |
05cba821 | 2366 | } |
40e084e1 KS |
2367 | } |
2368 | else | |
2369 | { | |
2370 | /* We haven't found any results... */ | |
2371 | return sals; | |
2372 | } | |
2373 | ||
2374 | canonicalize_linespec (state, ls); | |
2375 | ||
6c5b2ebe | 2376 | if (!sals.empty () && state->canonical != NULL) |
40e084e1 KS |
2377 | state->canonical->pre_expanded = 1; |
2378 | ||
2379 | return sals; | |
2380 | } | |
50641945 | 2381 | |
a2459270 PA |
2382 | /* Build RESULT from the explicit location components SOURCE_FILENAME, |
2383 | FUNCTION_NAME, LABEL_NAME and LINE_OFFSET. */ | |
00e52e53 | 2384 | |
a2459270 PA |
2385 | static void |
2386 | convert_explicit_location_to_linespec (struct linespec_state *self, | |
2387 | linespec_p result, | |
2388 | const char *source_filename, | |
2389 | const char *function_name, | |
a20714ff | 2390 | symbol_name_match_type fname_match_type, |
a2459270 PA |
2391 | const char *label_name, |
2392 | struct line_offset line_offset) | |
00e52e53 KS |
2393 | { |
2394 | VEC (symbolp) *symbols, *labels; | |
2395 | VEC (bound_minimal_symbol_d) *minimal_symbols; | |
2396 | ||
a20714ff PA |
2397 | result->explicit_loc.func_name_match_type = fname_match_type; |
2398 | ||
a2459270 | 2399 | if (source_filename != NULL) |
00e52e53 KS |
2400 | { |
2401 | TRY | |
2402 | { | |
2403 | result->file_symtabs | |
a2459270 | 2404 | = symtabs_from_filename (source_filename, self->search_pspace); |
00e52e53 KS |
2405 | } |
2406 | CATCH (except, RETURN_MASK_ERROR) | |
2407 | { | |
a2459270 | 2408 | source_file_not_found_error (source_filename); |
00e52e53 KS |
2409 | } |
2410 | END_CATCH | |
a2459270 | 2411 | result->explicit_loc.source_filename = xstrdup (source_filename); |
00e52e53 KS |
2412 | } |
2413 | else | |
2414 | { | |
2415 | /* A NULL entry means to use the default symtab. */ | |
2416 | VEC_safe_push (symtab_ptr, result->file_symtabs, NULL); | |
2417 | } | |
2418 | ||
a2459270 | 2419 | if (function_name != NULL) |
00e52e53 KS |
2420 | { |
2421 | find_linespec_symbols (self, result->file_symtabs, | |
a20714ff PA |
2422 | function_name, fname_match_type, |
2423 | &symbols, &minimal_symbols); | |
00e52e53 KS |
2424 | |
2425 | if (symbols == NULL && minimal_symbols == NULL) | |
a2459270 | 2426 | symbol_not_found_error (function_name, |
67994074 | 2427 | result->explicit_loc.source_filename); |
00e52e53 | 2428 | |
a2459270 | 2429 | result->explicit_loc.function_name = xstrdup (function_name); |
00e52e53 KS |
2430 | result->function_symbols = symbols; |
2431 | result->minimal_symbols = minimal_symbols; | |
2432 | } | |
2433 | ||
a2459270 | 2434 | if (label_name != NULL) |
00e52e53 KS |
2435 | { |
2436 | symbols = NULL; | |
2437 | labels = find_label_symbols (self, result->function_symbols, | |
a2459270 | 2438 | &symbols, label_name); |
00e52e53 KS |
2439 | |
2440 | if (labels == NULL) | |
67994074 | 2441 | undefined_label_error (result->explicit_loc.function_name, |
a2459270 | 2442 | label_name); |
00e52e53 | 2443 | |
a2459270 | 2444 | result->explicit_loc.label_name = xstrdup (label_name); |
00e52e53 KS |
2445 | result->labels.label_symbols = labels; |
2446 | result->labels.function_symbols = symbols; | |
2447 | } | |
2448 | ||
a2459270 PA |
2449 | if (line_offset.sign != LINE_OFFSET_UNKNOWN) |
2450 | result->explicit_loc.line_offset = line_offset; | |
2451 | } | |
00e52e53 | 2452 | |
a2459270 PA |
2453 | /* Convert the explicit location EXPLICIT_LOC into SaLs. */ |
2454 | ||
6c5b2ebe | 2455 | static std::vector<symtab_and_line> |
a2459270 PA |
2456 | convert_explicit_location_to_sals (struct linespec_state *self, |
2457 | linespec_p result, | |
2458 | const struct explicit_location *explicit_loc) | |
2459 | { | |
2460 | convert_explicit_location_to_linespec (self, result, | |
2461 | explicit_loc->source_filename, | |
2462 | explicit_loc->function_name, | |
a20714ff | 2463 | explicit_loc->func_name_match_type, |
a2459270 PA |
2464 | explicit_loc->label_name, |
2465 | explicit_loc->line_offset); | |
2466 | return convert_linespec_to_sals (self, result); | |
00e52e53 KS |
2467 | } |
2468 | ||
40e084e1 | 2469 | /* Parse a string that specifies a linespec. |
50641945 | 2470 | |
40e084e1 | 2471 | The basic grammar of linespecs: |
50641945 | 2472 | |
a06efdd6 | 2473 | linespec -> var_spec | basic_spec |
40e084e1 | 2474 | var_spec -> '$' (STRING | NUMBER) |
50641945 | 2475 | |
40e084e1 KS |
2476 | basic_spec -> file_offset_spec | function_spec | label_spec |
2477 | file_offset_spec -> opt_file_spec offset_spec | |
2478 | function_spec -> opt_file_spec function_name_spec opt_label_spec | |
2479 | label_spec -> label_name_spec | |
50641945 | 2480 | |
40e084e1 KS |
2481 | opt_file_spec -> "" | file_name_spec ':' |
2482 | opt_label_spec -> "" | ':' label_name_spec | |
2483 | ||
2484 | file_name_spec -> STRING | |
2485 | function_name_spec -> STRING | |
2486 | label_name_spec -> STRING | |
2487 | function_name_spec -> STRING | |
2488 | offset_spec -> NUMBER | |
2489 | -> '+' NUMBER | |
2490 | -> '-' NUMBER | |
2491 | ||
2492 | This may all be followed by several keywords such as "if EXPR", | |
2493 | which we ignore. | |
2494 | ||
2495 | A comma will terminate parsing. | |
2496 | ||
2497 | The function may be an undebuggable function found in minimal symbol table. | |
50641945 FN |
2498 | |
2499 | If the argument FUNFIRSTLINE is nonzero, we want the first line | |
2500 | of real code inside a function when a function is specified, and it is | |
2501 | not OK to specify a variable or type to get its line number. | |
2502 | ||
2503 | DEFAULT_SYMTAB specifies the file to use if none is specified. | |
2504 | It defaults to current_source_symtab. | |
2505 | DEFAULT_LINE specifies the line number to use for relative | |
2506 | line numbers (that start with signs). Defaults to current_source_line. | |
2507 | If CANONICAL is non-NULL, store an array of strings containing the canonical | |
1777feb0 | 2508 | line specs there if necessary. Currently overloaded member functions and |
50641945 | 2509 | line numbers or static functions without a filename yield a canonical |
1777feb0 | 2510 | line spec. The array and the line spec strings are allocated on the heap, |
50641945 FN |
2511 | it is the callers responsibility to free them. |
2512 | ||
2513 | Note that it is possible to return zero for the symtab | |
2514 | if no file is validly specified. Callers must check that. | |
58438ac1 | 2515 | Also, the line number returned may be invalid. */ |
50641945 | 2516 | |
a20714ff PA |
2517 | /* Parse the linespec in ARG. MATCH_TYPE indicates how function names |
2518 | should be matched. */ | |
50641945 | 2519 | |
6c5b2ebe | 2520 | static std::vector<symtab_and_line> |
a20714ff PA |
2521 | parse_linespec (linespec_parser *parser, const char *arg, |
2522 | symbol_name_match_type match_type) | |
50641945 | 2523 | { |
40e084e1 | 2524 | linespec_token token; |
7556d4a4 | 2525 | struct gdb_exception file_exception = exception_none; |
40e084e1 KS |
2526 | |
2527 | /* A special case to start. It has become quite popular for | |
2528 | IDEs to work around bugs in the previous parser by quoting | |
2529 | the entire linespec, so we attempt to deal with this nicely. */ | |
2530 | parser->is_quote_enclosed = 0; | |
c45ec17c PA |
2531 | if (parser->completion_tracker == NULL |
2532 | && !is_ada_operator (arg) | |
f00aae0f | 2533 | && strchr (linespec_quote_characters, *arg) != NULL) |
40e084e1 KS |
2534 | { |
2535 | const char *end; | |
9ef07c8c | 2536 | |
f00aae0f | 2537 | end = skip_quote_char (arg + 1, *arg); |
40e084e1 | 2538 | if (end != NULL && is_closing_quote_enclosed (end)) |
136e1c30 | 2539 | { |
f00aae0f | 2540 | /* Here's the special case. Skip ARG past the initial |
40e084e1 | 2541 | quote. */ |
f00aae0f | 2542 | ++arg; |
40e084e1 | 2543 | parser->is_quote_enclosed = 1; |
136e1c30 DE |
2544 | } |
2545 | } | |
e8eb7bc5 | 2546 | |
f00aae0f KS |
2547 | parser->lexer.saved_arg = arg; |
2548 | parser->lexer.stream = arg; | |
c45ec17c PA |
2549 | parser->completion_word = arg; |
2550 | parser->complete_what = linespec_complete_what::FUNCTION; | |
a20714ff | 2551 | PARSER_EXPLICIT (parser)->func_name_match_type = match_type; |
d2630e69 | 2552 | |
40e084e1 KS |
2553 | /* Initialize the default symtab and line offset. */ |
2554 | initialize_defaults (&PARSER_STATE (parser)->default_symtab, | |
2555 | &PARSER_STATE (parser)->default_line); | |
d2630e69 | 2556 | |
40e084e1 | 2557 | /* Objective-C shortcut. */ |
c45ec17c PA |
2558 | if (parser->completion_tracker == NULL) |
2559 | { | |
6c5b2ebe PA |
2560 | std::vector<symtab_and_line> values |
2561 | = decode_objc (PARSER_STATE (parser), PARSER_RESULT (parser), arg); | |
2562 | if (!values.empty ()) | |
c45ec17c PA |
2563 | return values; |
2564 | } | |
2565 | else | |
2566 | { | |
2567 | /* "-"/"+" is either an objc selector, or a number. There's | |
2568 | nothing to complete the latter to, so just let the caller | |
2569 | complete on functions, which finds objc selectors, if there's | |
2570 | any. */ | |
2571 | if ((arg[0] == '-' || arg[0] == '+') && arg[1] == '\0') | |
2572 | return {}; | |
2573 | } | |
e0881a8e | 2574 | |
40e084e1 | 2575 | /* Start parsing. */ |
d2630e69 | 2576 | |
40e084e1 | 2577 | /* Get the first token. */ |
c45ec17c | 2578 | token = linespec_lexer_consume_token (parser); |
50641945 | 2579 | |
40e084e1 | 2580 | /* It must be either LSTOKEN_STRING or LSTOKEN_NUMBER. */ |
a06efdd6 | 2581 | if (token.type == LSTOKEN_STRING && *LS_TOKEN_STOKEN (token).ptr == '$') |
40e084e1 | 2582 | { |
40e084e1 | 2583 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
c45ec17c PA |
2584 | if (parser->completion_tracker == NULL) |
2585 | VEC_safe_push (symtab_ptr, PARSER_RESULT (parser)->file_symtabs, NULL); | |
dcf9f4ab | 2586 | |
40e084e1 | 2587 | /* User specified a convenience variable or history value. */ |
a5b5adf5 | 2588 | gdb::unique_xmalloc_ptr<char> var = copy_token_string (token); |
00e52e53 | 2589 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 2590 | = linespec_parse_variable (PARSER_STATE (parser), var.get ()); |
f8eba3c6 | 2591 | |
40e084e1 KS |
2592 | /* If a line_offset wasn't found (VAR is the name of a user |
2593 | variable/function), then skip to normal symbol processing. */ | |
00e52e53 | 2594 | if (PARSER_EXPLICIT (parser)->line_offset.sign != LINE_OFFSET_UNKNOWN) |
40e084e1 | 2595 | { |
40e084e1 KS |
2596 | /* Consume this token. */ |
2597 | linespec_lexer_consume_token (parser); | |
dcf9f4ab | 2598 | |
40e084e1 | 2599 | goto convert_to_sals; |
50641945 | 2600 | } |
40e084e1 | 2601 | } |
c45ec17c PA |
2602 | else if (token.type == LSTOKEN_EOI && parser->completion_tracker != NULL) |
2603 | { | |
2604 | /* Let the default linespec_complete_what::FUNCTION kick in. */ | |
2605 | unexpected_linespec_error (parser); | |
2606 | } | |
40e084e1 | 2607 | else if (token.type != LSTOKEN_STRING && token.type != LSTOKEN_NUMBER) |
c45ec17c PA |
2608 | { |
2609 | parser->complete_what = linespec_complete_what::NOTHING; | |
2610 | unexpected_linespec_error (parser); | |
2611 | } | |
50641945 | 2612 | |
40e084e1 KS |
2613 | /* Shortcut: If the next token is not LSTOKEN_COLON, we know that |
2614 | this token cannot represent a filename. */ | |
2615 | token = linespec_lexer_peek_token (parser); | |
0e0b460e | 2616 | |
40e084e1 | 2617 | if (token.type == LSTOKEN_COLON) |
0e0b460e | 2618 | { |
40e084e1 KS |
2619 | /* Get the current token again and extract the filename. */ |
2620 | token = linespec_lexer_lex_one (parser); | |
a5b5adf5 | 2621 | gdb::unique_xmalloc_ptr<char> user_filename = copy_token_string (token); |
50641945 | 2622 | |
40e084e1 | 2623 | /* Check if the input is a filename. */ |
492d29ea | 2624 | TRY |
40e084e1 KS |
2625 | { |
2626 | PARSER_RESULT (parser)->file_symtabs | |
a5b5adf5 | 2627 | = symtabs_from_filename (user_filename.get (), |
c2f4122d | 2628 | PARSER_STATE (parser)->search_pspace); |
40e084e1 | 2629 | } |
492d29ea | 2630 | CATCH (ex, RETURN_MASK_ERROR) |
7556d4a4 PA |
2631 | { |
2632 | file_exception = ex; | |
2633 | } | |
492d29ea | 2634 | END_CATCH |
50641945 | 2635 | |
40e084e1 KS |
2636 | if (file_exception.reason >= 0) |
2637 | { | |
2638 | /* Symtabs were found for the file. Record the filename. */ | |
a5b5adf5 | 2639 | PARSER_EXPLICIT (parser)->source_filename = user_filename.release (); |
f8eba3c6 | 2640 | |
40e084e1 KS |
2641 | /* Get the next token. */ |
2642 | token = linespec_lexer_consume_token (parser); | |
50641945 | 2643 | |
40e084e1 KS |
2644 | /* This is LSTOKEN_COLON; consume it. */ |
2645 | linespec_lexer_consume_token (parser); | |
2646 | } | |
2647 | else | |
2648 | { | |
40e084e1 | 2649 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
ec94af83 | 2650 | VEC_safe_push (symtab_ptr, PARSER_RESULT (parser)->file_symtabs, NULL); |
40e084e1 | 2651 | } |
50641945 | 2652 | } |
40e084e1 | 2653 | /* If the next token is not EOI, KEYWORD, or COMMA, issue an error. */ |
c45ec17c PA |
2654 | else if (parser->completion_tracker == NULL |
2655 | && (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD | |
2656 | && token.type != LSTOKEN_COMMA)) | |
d2630e69 | 2657 | { |
40e084e1 KS |
2658 | /* TOKEN is the _next_ token, not the one currently in the parser. |
2659 | Consuming the token will give the correct error message. */ | |
2660 | linespec_lexer_consume_token (parser); | |
2661 | unexpected_linespec_error (parser); | |
d2630e69 | 2662 | } |
50641945 FN |
2663 | else |
2664 | { | |
40e084e1 | 2665 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
ec94af83 | 2666 | VEC_safe_push (symtab_ptr, PARSER_RESULT (parser)->file_symtabs, NULL); |
50641945 | 2667 | } |
50641945 | 2668 | |
40e084e1 KS |
2669 | /* Parse the rest of the linespec. */ |
2670 | linespec_parse_basic (parser); | |
50641945 | 2671 | |
c45ec17c PA |
2672 | if (parser->completion_tracker == NULL |
2673 | && PARSER_RESULT (parser)->function_symbols == NULL | |
40e084e1 | 2674 | && PARSER_RESULT (parser)->labels.label_symbols == NULL |
00e52e53 | 2675 | && PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN |
40e084e1 | 2676 | && PARSER_RESULT (parser)->minimal_symbols == NULL) |
f8eba3c6 | 2677 | { |
40e084e1 KS |
2678 | /* The linespec didn't parse. Re-throw the file exception if |
2679 | there was one. */ | |
2680 | if (file_exception.reason < 0) | |
2681 | throw_exception (file_exception); | |
0f5238ed | 2682 | |
40e084e1 | 2683 | /* Otherwise, the symbol is not found. */ |
00e52e53 KS |
2684 | symbol_not_found_error (PARSER_EXPLICIT (parser)->function_name, |
2685 | PARSER_EXPLICIT (parser)->source_filename); | |
0f5238ed TT |
2686 | } |
2687 | ||
40e084e1 | 2688 | convert_to_sals: |
9ef07c8c | 2689 | |
40e084e1 KS |
2690 | /* Get the last token and record how much of the input was parsed, |
2691 | if necessary. */ | |
2692 | token = linespec_lexer_lex_one (parser); | |
2693 | if (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD) | |
c45ec17c PA |
2694 | unexpected_linespec_error (parser); |
2695 | else if (token.type == LSTOKEN_KEYWORD) | |
2696 | { | |
2697 | /* Setup the completion word past the keyword. Lexing never | |
2698 | advances past a keyword automatically, so skip it | |
2699 | manually. */ | |
2700 | parser->completion_word | |
f1735a53 | 2701 | = skip_spaces (skip_to_space (PARSER_STREAM (parser))); |
c45ec17c PA |
2702 | parser->complete_what = linespec_complete_what::EXPRESSION; |
2703 | } | |
50641945 | 2704 | |
40e084e1 | 2705 | /* Convert the data in PARSER_RESULT to SALs. */ |
c45ec17c | 2706 | if (parser->completion_tracker == NULL) |
6c5b2ebe PA |
2707 | return convert_linespec_to_sals (PARSER_STATE (parser), |
2708 | PARSER_RESULT (parser)); | |
f8eba3c6 | 2709 | |
6c5b2ebe | 2710 | return {}; |
413dad4d | 2711 | } |
50641945 | 2712 | |
40e084e1 | 2713 | |
f8eba3c6 | 2714 | /* A constructor for linespec_state. */ |
44fe14ab | 2715 | |
f8eba3c6 TT |
2716 | static void |
2717 | linespec_state_constructor (struct linespec_state *self, | |
40e084e1 | 2718 | int flags, const struct language_defn *language, |
c2f4122d | 2719 | struct program_space *search_pspace, |
f8eba3c6 TT |
2720 | struct symtab *default_symtab, |
2721 | int default_line, | |
2722 | struct linespec_result *canonical) | |
2723 | { | |
2724 | memset (self, 0, sizeof (*self)); | |
40e084e1 | 2725 | self->language = language; |
f8eba3c6 TT |
2726 | self->funfirstline = (flags & DECODE_LINE_FUNFIRSTLINE) ? 1 : 0; |
2727 | self->list_mode = (flags & DECODE_LINE_LIST_MODE) ? 1 : 0; | |
c2f4122d | 2728 | self->search_pspace = search_pspace; |
f8eba3c6 TT |
2729 | self->default_symtab = default_symtab; |
2730 | self->default_line = default_line; | |
2731 | self->canonical = canonical; | |
2732 | self->program_space = current_program_space; | |
2733 | self->addr_set = htab_create_alloc (10, hash_address_entry, eq_address_entry, | |
2734 | xfree, xcalloc, xfree); | |
00e52e53 | 2735 | self->is_linespec = 0; |
f8eba3c6 | 2736 | } |
44fe14ab | 2737 | |
40e084e1 | 2738 | /* Initialize a new linespec parser. */ |
44fe14ab DC |
2739 | |
2740 | static void | |
40e084e1 KS |
2741 | linespec_parser_new (linespec_parser *parser, |
2742 | int flags, const struct language_defn *language, | |
c2f4122d | 2743 | struct program_space *search_pspace, |
40e084e1 KS |
2744 | struct symtab *default_symtab, |
2745 | int default_line, | |
2746 | struct linespec_result *canonical) | |
44fe14ab | 2747 | { |
f00aae0f | 2748 | memset (parser, 0, sizeof (linespec_parser)); |
40e084e1 KS |
2749 | parser->lexer.current.type = LSTOKEN_CONSUMED; |
2750 | memset (PARSER_RESULT (parser), 0, sizeof (struct linespec)); | |
a20714ff PA |
2751 | PARSER_EXPLICIT (parser)->func_name_match_type |
2752 | = symbol_name_match_type::WILD; | |
00e52e53 | 2753 | PARSER_EXPLICIT (parser)->line_offset.sign = LINE_OFFSET_UNKNOWN; |
40e084e1 | 2754 | linespec_state_constructor (PARSER_STATE (parser), flags, language, |
c2f4122d | 2755 | search_pspace, |
40e084e1 KS |
2756 | default_symtab, default_line, canonical); |
2757 | } | |
2758 | ||
2759 | /* A destructor for linespec_state. */ | |
44fe14ab | 2760 | |
40e084e1 KS |
2761 | static void |
2762 | linespec_state_destructor (struct linespec_state *self) | |
2763 | { | |
f8eba3c6 TT |
2764 | htab_delete (self->addr_set); |
2765 | } | |
44fe14ab | 2766 | |
40e084e1 KS |
2767 | /* Delete a linespec parser. */ |
2768 | ||
2769 | static void | |
2770 | linespec_parser_delete (void *arg) | |
2771 | { | |
2772 | linespec_parser *parser = (linespec_parser *) arg; | |
2773 | ||
00e52e53 KS |
2774 | xfree (PARSER_EXPLICIT (parser)->source_filename); |
2775 | xfree (PARSER_EXPLICIT (parser)->label_name); | |
2776 | xfree (PARSER_EXPLICIT (parser)->function_name); | |
40e084e1 KS |
2777 | |
2778 | if (PARSER_RESULT (parser)->file_symtabs != NULL) | |
ec94af83 | 2779 | VEC_free (symtab_ptr, PARSER_RESULT (parser)->file_symtabs); |
40e084e1 KS |
2780 | |
2781 | if (PARSER_RESULT (parser)->function_symbols != NULL) | |
2782 | VEC_free (symbolp, PARSER_RESULT (parser)->function_symbols); | |
2783 | ||
2784 | if (PARSER_RESULT (parser)->minimal_symbols != NULL) | |
f60e2d5c | 2785 | VEC_free (bound_minimal_symbol_d, PARSER_RESULT (parser)->minimal_symbols); |
40e084e1 KS |
2786 | |
2787 | if (PARSER_RESULT (parser)->labels.label_symbols != NULL) | |
2788 | VEC_free (symbolp, PARSER_RESULT (parser)->labels.label_symbols); | |
2789 | ||
2790 | if (PARSER_RESULT (parser)->labels.function_symbols != NULL) | |
2791 | VEC_free (symbolp, PARSER_RESULT (parser)->labels.function_symbols); | |
2792 | ||
2793 | linespec_state_destructor (PARSER_STATE (parser)); | |
2794 | } | |
2795 | ||
c7c1b3e9 KS |
2796 | /* See description in linespec.h. */ |
2797 | ||
2798 | void | |
f2fc3015 | 2799 | linespec_lex_to_end (const char **stringp) |
c7c1b3e9 KS |
2800 | { |
2801 | linespec_parser parser; | |
2802 | struct cleanup *cleanup; | |
2803 | linespec_token token; | |
c7c1b3e9 KS |
2804 | const char *orig; |
2805 | ||
2806 | if (stringp == NULL || *stringp == NULL) | |
2807 | return; | |
2808 | ||
c2f4122d | 2809 | linespec_parser_new (&parser, 0, current_language, NULL, NULL, 0, NULL); |
c7c1b3e9 KS |
2810 | cleanup = make_cleanup (linespec_parser_delete, &parser); |
2811 | parser.lexer.saved_arg = *stringp; | |
2812 | PARSER_STREAM (&parser) = orig = *stringp; | |
2813 | ||
2814 | do | |
2815 | { | |
2816 | /* Stop before any comma tokens; we need it to keep it | |
2817 | as the next token in the string. */ | |
2818 | token = linespec_lexer_peek_token (&parser); | |
2819 | if (token.type == LSTOKEN_COMMA) | |
2820 | break; | |
c7c1b3e9 KS |
2821 | token = linespec_lexer_consume_token (&parser); |
2822 | } | |
2823 | while (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD); | |
2824 | ||
2825 | *stringp += PARSER_STREAM (&parser) - orig; | |
2826 | do_cleanups (cleanup); | |
2827 | } | |
2828 | ||
c6756f62 PA |
2829 | /* See linespec.h. */ |
2830 | ||
2831 | void | |
2832 | linespec_complete_function (completion_tracker &tracker, | |
2833 | const char *function, | |
a20714ff | 2834 | symbol_name_match_type func_match_type, |
c6756f62 PA |
2835 | const char *source_filename) |
2836 | { | |
2837 | complete_symbol_mode mode = complete_symbol_mode::LINESPEC; | |
2838 | ||
2839 | if (source_filename != NULL) | |
2840 | { | |
b5ec771e PA |
2841 | collect_file_symbol_completion_matches (tracker, mode, func_match_type, |
2842 | function, function, source_filename); | |
c6756f62 PA |
2843 | } |
2844 | else | |
b5ec771e PA |
2845 | { |
2846 | collect_symbol_completion_matches (tracker, mode, func_match_type, | |
2847 | function, function); | |
2848 | ||
2849 | } | |
c6756f62 PA |
2850 | } |
2851 | ||
c45ec17c PA |
2852 | /* Helper for complete_linespec to simplify it. SOURCE_FILENAME is |
2853 | only meaningful if COMPONENT is FUNCTION. */ | |
2854 | ||
2855 | static void | |
2856 | complete_linespec_component (linespec_parser *parser, | |
2857 | completion_tracker &tracker, | |
2858 | const char *text, | |
2859 | linespec_complete_what component, | |
2860 | const char *source_filename) | |
2861 | { | |
2862 | if (component == linespec_complete_what::KEYWORD) | |
2863 | { | |
2864 | complete_on_enum (tracker, linespec_keywords, text, text); | |
2865 | } | |
2866 | else if (component == linespec_complete_what::EXPRESSION) | |
2867 | { | |
2868 | const char *word | |
2869 | = advance_to_expression_complete_word_point (tracker, text); | |
2870 | complete_expression (tracker, text, word); | |
2871 | } | |
2872 | else if (component == linespec_complete_what::FUNCTION) | |
2873 | { | |
2874 | completion_list fn_list; | |
2875 | ||
a20714ff PA |
2876 | symbol_name_match_type match_type |
2877 | = PARSER_EXPLICIT (parser)->func_name_match_type; | |
2878 | linespec_complete_function (tracker, text, match_type, source_filename); | |
c45ec17c PA |
2879 | if (source_filename == NULL) |
2880 | { | |
2881 | /* Haven't seen a source component, like in "b | |
2882 | file.c:function[TAB]". Maybe this wasn't a function, but | |
2883 | a filename instead, like "b file.[TAB]". */ | |
2884 | fn_list = complete_source_filenames (text); | |
2885 | } | |
2886 | ||
2887 | /* If we only have a single filename completion, append a ':' for | |
2888 | the user, since that's the only thing that can usefully follow | |
2889 | the filename. */ | |
2890 | if (fn_list.size () == 1 && !tracker.have_completions ()) | |
2891 | { | |
2892 | char *fn = fn_list[0].release (); | |
2893 | ||
2894 | /* If we also need to append a quote char, it needs to be | |
2895 | appended before the ':'. Append it now, and make ':' the | |
2896 | new "quote" char. */ | |
2897 | if (tracker.quote_char ()) | |
2898 | { | |
2899 | char quote_char_str[2] = { tracker.quote_char () }; | |
2900 | ||
2901 | fn = reconcat (fn, fn, quote_char_str, (char *) NULL); | |
2902 | tracker.set_quote_char (':'); | |
2903 | } | |
2904 | else | |
2905 | fn = reconcat (fn, fn, ":", (char *) NULL); | |
2906 | fn_list[0].reset (fn); | |
2907 | ||
2908 | /* Tell readline to skip appending a space. */ | |
2909 | tracker.set_suppress_append_ws (true); | |
2910 | } | |
2911 | tracker.add_completions (std::move (fn_list)); | |
2912 | } | |
2913 | } | |
2914 | ||
a2459270 PA |
2915 | /* Helper for linespec_complete_label. Find labels that match |
2916 | LABEL_NAME in the function symbols listed in the PARSER, and add | |
2917 | them to the tracker. */ | |
2918 | ||
2919 | static void | |
2920 | complete_label (completion_tracker &tracker, | |
2921 | linespec_parser *parser, | |
2922 | const char *label_name) | |
2923 | { | |
2924 | VEC (symbolp) *label_function_symbols = NULL; | |
2925 | VEC (symbolp) *labels | |
2926 | = find_label_symbols (PARSER_STATE (parser), | |
2927 | PARSER_RESULT (parser)->function_symbols, | |
2928 | &label_function_symbols, | |
2929 | label_name, true); | |
2930 | ||
2931 | symbol *label; | |
2932 | for (int ix = 0; | |
2933 | VEC_iterate (symbolp, labels, ix, label); ++ix) | |
2934 | { | |
2935 | char *match = xstrdup (SYMBOL_SEARCH_NAME (label)); | |
2936 | tracker.add_completion (gdb::unique_xmalloc_ptr<char> (match)); | |
2937 | } | |
2938 | VEC_free (symbolp, labels); | |
2939 | } | |
2940 | ||
2941 | /* See linespec.h. */ | |
2942 | ||
2943 | void | |
2944 | linespec_complete_label (completion_tracker &tracker, | |
2945 | const struct language_defn *language, | |
2946 | const char *source_filename, | |
2947 | const char *function_name, | |
a20714ff | 2948 | symbol_name_match_type func_name_match_type, |
a2459270 PA |
2949 | const char *label_name) |
2950 | { | |
2951 | linespec_parser parser; | |
2952 | struct cleanup *cleanup; | |
2953 | ||
2954 | linespec_parser_new (&parser, 0, language, NULL, NULL, 0, NULL); | |
2955 | cleanup = make_cleanup (linespec_parser_delete, &parser); | |
2956 | ||
2957 | line_offset unknown_offset = { 0, LINE_OFFSET_UNKNOWN }; | |
2958 | ||
2959 | TRY | |
2960 | { | |
2961 | convert_explicit_location_to_linespec (PARSER_STATE (&parser), | |
2962 | PARSER_RESULT (&parser), | |
2963 | source_filename, | |
2964 | function_name, | |
a20714ff | 2965 | func_name_match_type, |
a2459270 PA |
2966 | NULL, unknown_offset); |
2967 | } | |
2968 | CATCH (ex, RETURN_MASK_ERROR) | |
2969 | { | |
2970 | do_cleanups (cleanup); | |
2971 | return; | |
2972 | } | |
2973 | END_CATCH | |
2974 | ||
2975 | complete_label (tracker, &parser, label_name); | |
2976 | ||
2977 | do_cleanups (cleanup); | |
2978 | } | |
2979 | ||
c45ec17c PA |
2980 | /* See description in linespec.h. */ |
2981 | ||
2982 | void | |
a20714ff PA |
2983 | linespec_complete (completion_tracker &tracker, const char *text, |
2984 | symbol_name_match_type match_type) | |
c45ec17c PA |
2985 | { |
2986 | linespec_parser parser; | |
2987 | struct cleanup *cleanup; | |
2988 | const char *orig = text; | |
2989 | ||
2990 | linespec_parser_new (&parser, 0, current_language, NULL, NULL, 0, NULL); | |
2991 | cleanup = make_cleanup (linespec_parser_delete, &parser); | |
2992 | parser.lexer.saved_arg = text; | |
a20714ff | 2993 | PARSER_EXPLICIT (&parser)->func_name_match_type = match_type; |
c45ec17c PA |
2994 | PARSER_STREAM (&parser) = text; |
2995 | ||
2996 | parser.completion_tracker = &tracker; | |
2997 | PARSER_STATE (&parser)->is_linespec = 1; | |
2998 | ||
2999 | /* Parse as much as possible. parser.completion_word will hold | |
3000 | furthest completion point we managed to parse to. */ | |
3001 | TRY | |
3002 | { | |
a20714ff | 3003 | parse_linespec (&parser, text, match_type); |
c45ec17c PA |
3004 | } |
3005 | CATCH (except, RETURN_MASK_ERROR) | |
3006 | { | |
3007 | } | |
3008 | END_CATCH | |
3009 | ||
3010 | if (parser.completion_quote_char != '\0' | |
3011 | && parser.completion_quote_end != NULL | |
3012 | && parser.completion_quote_end[1] == '\0') | |
3013 | { | |
3014 | /* If completing a quoted string with the cursor right at | |
3015 | terminating quote char, complete the completion word without | |
3016 | interpretation, so that readline advances the cursor one | |
3017 | whitespace past the quote, even if there's no match. This | |
3018 | makes these cases behave the same: | |
3019 | ||
3020 | before: "b function()" | |
3021 | after: "b function() " | |
3022 | ||
3023 | before: "b 'function()'" | |
3024 | after: "b 'function()' " | |
3025 | ||
3026 | and trusts the user in this case: | |
3027 | ||
3028 | before: "b 'not_loaded_function_yet()'" | |
3029 | after: "b 'not_loaded_function_yet()' " | |
3030 | */ | |
3031 | parser.complete_what = linespec_complete_what::NOTHING; | |
3032 | parser.completion_quote_char = '\0'; | |
3033 | ||
3034 | gdb::unique_xmalloc_ptr<char> text_copy | |
3035 | (xstrdup (parser.completion_word)); | |
3036 | tracker.add_completion (std::move (text_copy)); | |
3037 | } | |
3038 | ||
3039 | tracker.set_quote_char (parser.completion_quote_char); | |
3040 | ||
3041 | if (parser.complete_what == linespec_complete_what::LABEL) | |
3042 | { | |
3043 | parser.complete_what = linespec_complete_what::NOTHING; | |
3044 | ||
3045 | const char *func_name = PARSER_EXPLICIT (&parser)->function_name; | |
3046 | ||
3047 | VEC (symbolp) *function_symbols; | |
3048 | VEC (bound_minimal_symbol_d) *minimal_symbols; | |
3049 | find_linespec_symbols (PARSER_STATE (&parser), | |
3050 | PARSER_RESULT (&parser)->file_symtabs, | |
a20714ff | 3051 | func_name, match_type, |
c45ec17c PA |
3052 | &function_symbols, &minimal_symbols); |
3053 | ||
3054 | PARSER_RESULT (&parser)->function_symbols = function_symbols; | |
3055 | PARSER_RESULT (&parser)->minimal_symbols = minimal_symbols; | |
3056 | ||
3057 | complete_label (tracker, &parser, parser.completion_word); | |
3058 | } | |
3059 | else if (parser.complete_what == linespec_complete_what::FUNCTION) | |
3060 | { | |
3061 | /* While parsing/lexing, we didn't know whether the completion | |
3062 | word completes to a unique function/source name already or | |
3063 | not. | |
3064 | ||
3065 | E.g.: | |
3066 | "b function() <tab>" | |
3067 | may need to complete either to: | |
3068 | "b function() const" | |
3069 | or to: | |
3070 | "b function() if/thread/task" | |
3071 | ||
3072 | Or, this: | |
3073 | "b foo t" | |
3074 | may need to complete either to: | |
3075 | "b foo template_fun<T>()" | |
3076 | with "foo" being the template function's return type, or to: | |
3077 | "b foo thread/task" | |
3078 | ||
3079 | Or, this: | |
3080 | "b file<TAB>" | |
3081 | may need to complete either to a source file name: | |
3082 | "b file.c" | |
3083 | or this, also a filename, but a unique completion: | |
3084 | "b file.c:" | |
3085 | or to a function name: | |
3086 | "b file_function" | |
3087 | ||
3088 | Address that by completing assuming source or function, and | |
3089 | seeing if we find a completion that matches exactly the | |
3090 | completion word. If so, then it must be a function (see note | |
3091 | below) and we advance the completion word to the end of input | |
3092 | and switch to KEYWORD completion mode. | |
3093 | ||
3094 | Note: if we find a unique completion for a source filename, | |
3095 | then it won't match the completion word, because the LCD will | |
3096 | contain a trailing ':'. And if we're completing at or after | |
3097 | the ':', then complete_linespec_component won't try to | |
3098 | complete on source filenames. */ | |
3099 | ||
c45ec17c PA |
3100 | const char *word = parser.completion_word; |
3101 | ||
3102 | complete_linespec_component (&parser, tracker, | |
3103 | parser.completion_word, | |
3104 | linespec_complete_what::FUNCTION, | |
3105 | PARSER_EXPLICIT (&parser)->source_filename); | |
3106 | ||
3107 | parser.complete_what = linespec_complete_what::NOTHING; | |
3108 | ||
3109 | if (tracker.quote_char ()) | |
3110 | { | |
3111 | /* The function/file name was not close-quoted, so this | |
3112 | can't be a keyword. Note: complete_linespec_component | |
3113 | may have swapped the original quote char for ':' when we | |
3114 | get here, but that still indicates the same. */ | |
3115 | } | |
3116 | else if (!tracker.have_completions ()) | |
3117 | { | |
3118 | size_t key_start; | |
3119 | size_t wordlen = strlen (parser.completion_word); | |
3120 | ||
3121 | key_start | |
3122 | = string_find_incomplete_keyword_at_end (linespec_keywords, | |
3123 | parser.completion_word, | |
3124 | wordlen); | |
3125 | ||
3126 | if (key_start != -1 | |
3127 | || (wordlen > 0 | |
3128 | && parser.completion_word[wordlen - 1] == ' ')) | |
3129 | { | |
3130 | parser.completion_word += key_start; | |
3131 | parser.complete_what = linespec_complete_what::KEYWORD; | |
3132 | } | |
3133 | } | |
3134 | else if (tracker.completes_to_completion_word (word)) | |
3135 | { | |
3136 | /* Skip the function and complete on keywords. */ | |
3137 | parser.completion_word += strlen (word); | |
3138 | parser.complete_what = linespec_complete_what::KEYWORD; | |
3139 | tracker.discard_completions (); | |
3140 | } | |
3141 | } | |
3142 | ||
3143 | tracker.advance_custom_word_point_by (parser.completion_word - orig); | |
3144 | ||
3145 | complete_linespec_component (&parser, tracker, | |
3146 | parser.completion_word, | |
3147 | parser.complete_what, | |
3148 | PARSER_EXPLICIT (&parser)->source_filename); | |
3149 | ||
3150 | /* If we're past the "filename:function:label:offset" linespec, and | |
3151 | didn't find any match, then assume the user might want to create | |
3152 | a pending breakpoint anyway and offer the keyword | |
3153 | completions. */ | |
3154 | if (!parser.completion_quote_char | |
3155 | && (parser.complete_what == linespec_complete_what::FUNCTION | |
3156 | || parser.complete_what == linespec_complete_what::LABEL | |
3157 | || parser.complete_what == linespec_complete_what::NOTHING) | |
3158 | && !tracker.have_completions ()) | |
3159 | { | |
3160 | const char *end | |
3161 | = parser.completion_word + strlen (parser.completion_word); | |
3162 | ||
3163 | if (end > orig && end[-1] == ' ') | |
3164 | { | |
3165 | tracker.advance_custom_word_point_by (end - parser.completion_word); | |
3166 | ||
3167 | complete_linespec_component (&parser, tracker, end, | |
3168 | linespec_complete_what::KEYWORD, | |
3169 | NULL); | |
3170 | } | |
3171 | } | |
3172 | ||
3173 | do_cleanups (cleanup); | |
3174 | } | |
3175 | ||
f00aae0f | 3176 | /* A helper function for decode_line_full and decode_line_1 to |
6c5b2ebe | 3177 | turn LOCATION into std::vector<symtab_and_line>. */ |
f00aae0f | 3178 | |
6c5b2ebe | 3179 | static std::vector<symtab_and_line> |
f00aae0f KS |
3180 | event_location_to_sals (linespec_parser *parser, |
3181 | const struct event_location *location) | |
3182 | { | |
6c5b2ebe | 3183 | std::vector<symtab_and_line> result; |
f00aae0f KS |
3184 | |
3185 | switch (event_location_type (location)) | |
3186 | { | |
3187 | case LINESPEC_LOCATION: | |
3188 | { | |
00e52e53 | 3189 | PARSER_STATE (parser)->is_linespec = 1; |
f00aae0f KS |
3190 | TRY |
3191 | { | |
a20714ff PA |
3192 | const linespec_location *ls = get_linespec_location (location); |
3193 | result = parse_linespec (parser, | |
3194 | ls->spec_string, ls->match_type); | |
f00aae0f KS |
3195 | } |
3196 | CATCH (except, RETURN_MASK_ERROR) | |
3197 | { | |
3198 | throw_exception (except); | |
3199 | } | |
3200 | END_CATCH | |
3201 | } | |
3202 | break; | |
3203 | ||
a06efdd6 | 3204 | case ADDRESS_LOCATION: |
305e13e6 JB |
3205 | { |
3206 | const char *addr_string = get_address_string_location (location); | |
3207 | CORE_ADDR addr = get_address_location (location); | |
3208 | ||
3209 | if (addr_string != NULL) | |
3210 | { | |
9be2c17a | 3211 | addr = linespec_expression_to_pc (&addr_string); |
305e13e6 JB |
3212 | if (PARSER_STATE (parser)->canonical != NULL) |
3213 | PARSER_STATE (parser)->canonical->location | |
8e9e35b1 | 3214 | = copy_event_location (location); |
305e13e6 JB |
3215 | } |
3216 | ||
3217 | result = convert_address_location_to_sals (PARSER_STATE (parser), | |
3218 | addr); | |
3219 | } | |
a06efdd6 KS |
3220 | break; |
3221 | ||
00e52e53 KS |
3222 | case EXPLICIT_LOCATION: |
3223 | { | |
67994074 | 3224 | const struct explicit_location *explicit_loc; |
00e52e53 | 3225 | |
67994074 | 3226 | explicit_loc = get_explicit_location_const (location); |
00e52e53 KS |
3227 | result = convert_explicit_location_to_sals (PARSER_STATE (parser), |
3228 | PARSER_RESULT (parser), | |
67994074 | 3229 | explicit_loc); |
00e52e53 KS |
3230 | } |
3231 | break; | |
3232 | ||
5b56227b KS |
3233 | case PROBE_LOCATION: |
3234 | /* Probes are handled by their own decoders. */ | |
3235 | gdb_assert_not_reached ("attempt to decode probe location"); | |
3236 | break; | |
3237 | ||
f00aae0f KS |
3238 | default: |
3239 | gdb_assert_not_reached ("unhandled event location type"); | |
3240 | } | |
3241 | ||
3242 | return result; | |
3243 | } | |
3244 | ||
f8eba3c6 | 3245 | /* See linespec.h. */ |
44fe14ab | 3246 | |
f8eba3c6 | 3247 | void |
f00aae0f | 3248 | decode_line_full (const struct event_location *location, int flags, |
c2f4122d | 3249 | struct program_space *search_pspace, |
f8eba3c6 TT |
3250 | struct symtab *default_symtab, |
3251 | int default_line, struct linespec_result *canonical, | |
3252 | const char *select_mode, | |
3253 | const char *filter) | |
44fe14ab | 3254 | { |
f8eba3c6 | 3255 | struct cleanup *cleanups; |
f73c6ece | 3256 | std::vector<const char *> filters; |
40e084e1 KS |
3257 | linespec_parser parser; |
3258 | struct linespec_state *state; | |
f8eba3c6 TT |
3259 | |
3260 | gdb_assert (canonical != NULL); | |
3261 | /* The filter only makes sense for 'all'. */ | |
3262 | gdb_assert (filter == NULL || select_mode == multiple_symbols_all); | |
3263 | gdb_assert (select_mode == NULL | |
3264 | || select_mode == multiple_symbols_all | |
3265 | || select_mode == multiple_symbols_ask | |
3266 | || select_mode == multiple_symbols_cancel); | |
3267 | gdb_assert ((flags & DECODE_LINE_LIST_MODE) == 0); | |
3268 | ||
c2f4122d PA |
3269 | linespec_parser_new (&parser, flags, current_language, |
3270 | search_pspace, default_symtab, | |
40e084e1 KS |
3271 | default_line, canonical); |
3272 | cleanups = make_cleanup (linespec_parser_delete, &parser); | |
5ed8105e PA |
3273 | |
3274 | scoped_restore_current_program_space restore_pspace; | |
f8eba3c6 | 3275 | |
6c5b2ebe PA |
3276 | std::vector<symtab_and_line> result = event_location_to_sals (&parser, |
3277 | location); | |
40e084e1 | 3278 | state = PARSER_STATE (&parser); |
f8eba3c6 | 3279 | |
6c5b2ebe | 3280 | gdb_assert (result.size () == 1 || canonical->pre_expanded); |
f8eba3c6 TT |
3281 | canonical->pre_expanded = 1; |
3282 | ||
66f1999b | 3283 | /* Arrange for allocated canonical names to be freed. */ |
6c5b2ebe | 3284 | if (!result.empty ()) |
f8eba3c6 TT |
3285 | { |
3286 | int i; | |
3287 | ||
40e084e1 | 3288 | make_cleanup (xfree, state->canonical_names); |
6c5b2ebe | 3289 | for (i = 0; i < result.size (); ++i) |
f8eba3c6 | 3290 | { |
33f448b1 JK |
3291 | gdb_assert (state->canonical_names[i].suffix != NULL); |
3292 | make_cleanup (xfree, state->canonical_names[i].suffix); | |
f8eba3c6 TT |
3293 | } |
3294 | } | |
3295 | ||
3296 | if (select_mode == NULL) | |
3297 | { | |
29f94340 | 3298 | if (top_level_interpreter ()->interp_ui_out ()->is_mi_like_p ()) |
f8eba3c6 TT |
3299 | select_mode = multiple_symbols_all; |
3300 | else | |
3301 | select_mode = multiple_symbols_select_mode (); | |
3302 | } | |
3303 | ||
3304 | if (select_mode == multiple_symbols_all) | |
3305 | { | |
3306 | if (filter != NULL) | |
3307 | { | |
f73c6ece | 3308 | filters.push_back (filter); |
40e084e1 | 3309 | filter_results (state, &result, filters); |
f8eba3c6 TT |
3310 | } |
3311 | else | |
40e084e1 | 3312 | convert_results_to_lsals (state, &result); |
f8eba3c6 TT |
3313 | } |
3314 | else | |
40e084e1 | 3315 | decode_line_2 (state, &result, select_mode); |
f8eba3c6 TT |
3316 | |
3317 | do_cleanups (cleanups); | |
3318 | } | |
3319 | ||
39cf75f7 DE |
3320 | /* See linespec.h. */ |
3321 | ||
6c5b2ebe | 3322 | std::vector<symtab_and_line> |
f00aae0f | 3323 | decode_line_1 (const struct event_location *location, int flags, |
c2f4122d | 3324 | struct program_space *search_pspace, |
f8eba3c6 TT |
3325 | struct symtab *default_symtab, |
3326 | int default_line) | |
3327 | { | |
40e084e1 | 3328 | linespec_parser parser; |
f8eba3c6 TT |
3329 | struct cleanup *cleanups; |
3330 | ||
c2f4122d PA |
3331 | linespec_parser_new (&parser, flags, current_language, |
3332 | search_pspace, default_symtab, | |
40e084e1 KS |
3333 | default_line, NULL); |
3334 | cleanups = make_cleanup (linespec_parser_delete, &parser); | |
5ed8105e PA |
3335 | |
3336 | scoped_restore_current_program_space restore_pspace; | |
f8eba3c6 | 3337 | |
6c5b2ebe PA |
3338 | std::vector<symtab_and_line> result = event_location_to_sals (&parser, |
3339 | location); | |
40e084e1 | 3340 | |
f8eba3c6 TT |
3341 | do_cleanups (cleanups); |
3342 | return result; | |
3343 | } | |
3344 | ||
39cf75f7 DE |
3345 | /* See linespec.h. */ |
3346 | ||
6c5b2ebe | 3347 | std::vector<symtab_and_line> |
f2fc3015 | 3348 | decode_line_with_current_source (const char *string, int flags) |
39cf75f7 | 3349 | { |
39cf75f7 DE |
3350 | if (string == 0) |
3351 | error (_("Empty line specification.")); | |
3352 | ||
3353 | /* We use whatever is set as the current source line. We do not try | |
3354 | and get a default source symtab+line or it will recursively call us! */ | |
6c5b2ebe | 3355 | symtab_and_line cursal = get_current_source_symtab_and_line (); |
39cf75f7 | 3356 | |
ffc2605c TT |
3357 | event_location_up location = string_to_event_location (&string, |
3358 | current_language); | |
6c5b2ebe PA |
3359 | std::vector<symtab_and_line> sals |
3360 | = decode_line_1 (location.get (), flags, NULL, cursal.symtab, cursal.line); | |
39cf75f7 DE |
3361 | |
3362 | if (*string) | |
3363 | error (_("Junk at end of line specification: %s"), string); | |
f00aae0f | 3364 | |
39cf75f7 DE |
3365 | return sals; |
3366 | } | |
3367 | ||
3368 | /* See linespec.h. */ | |
3369 | ||
6c5b2ebe | 3370 | std::vector<symtab_and_line> |
f2fc3015 | 3371 | decode_line_with_last_displayed (const char *string, int flags) |
39cf75f7 | 3372 | { |
39cf75f7 DE |
3373 | if (string == 0) |
3374 | error (_("Empty line specification.")); | |
3375 | ||
ffc2605c TT |
3376 | event_location_up location = string_to_event_location (&string, |
3377 | current_language); | |
6c5b2ebe PA |
3378 | std::vector<symtab_and_line> sals |
3379 | = (last_displayed_sal_is_valid () | |
3380 | ? decode_line_1 (location.get (), flags, NULL, | |
3381 | get_last_displayed_symtab (), | |
3382 | get_last_displayed_line ()) | |
3383 | : decode_line_1 (location.get (), flags, NULL, | |
3384 | (struct symtab *) NULL, 0)); | |
39cf75f7 DE |
3385 | |
3386 | if (*string) | |
3387 | error (_("Junk at end of line specification: %s"), string); | |
f00aae0f | 3388 | |
39cf75f7 DE |
3389 | return sals; |
3390 | } | |
3391 | ||
f8eba3c6 TT |
3392 | \f |
3393 | ||
3394 | /* First, some functions to initialize stuff at the beggining of the | |
3395 | function. */ | |
3396 | ||
3397 | static void | |
3398 | initialize_defaults (struct symtab **default_symtab, int *default_line) | |
3399 | { | |
3400 | if (*default_symtab == 0) | |
3401 | { | |
3402 | /* Use whatever we have for the default source line. We don't use | |
3403 | get_current_or_default_symtab_and_line as it can recurse and call | |
3404 | us back! */ | |
3405 | struct symtab_and_line cursal = | |
3406 | get_current_source_symtab_and_line (); | |
3407 | ||
3408 | *default_symtab = cursal.symtab; | |
3409 | *default_line = cursal.line; | |
3410 | } | |
3411 | } | |
3412 | ||
3413 | \f | |
3414 | ||
40e084e1 KS |
3415 | /* Evaluate the expression pointed to by EXP_PTR into a CORE_ADDR, |
3416 | advancing EXP_PTR past any parsed text. */ | |
f8eba3c6 | 3417 | |
a06efdd6 | 3418 | CORE_ADDR |
bbc13ae3 | 3419 | linespec_expression_to_pc (const char **exp_ptr) |
f8eba3c6 | 3420 | { |
f8eba3c6 TT |
3421 | if (current_program_space->executing_startup) |
3422 | /* The error message doesn't really matter, because this case | |
3423 | should only hit during breakpoint reset. */ | |
3424 | throw_error (NOT_FOUND_ERROR, _("cannot evaluate expressions while " | |
3425 | "program space is in startup")); | |
3426 | ||
40e084e1 KS |
3427 | (*exp_ptr)++; |
3428 | return value_as_address (parse_to_comma_and_eval (exp_ptr)); | |
0960f083 DC |
3429 | } |
3430 | ||
3431 | \f | |
3432 | ||
d2630e69 AF |
3433 | /* Here's where we recognise an Objective-C Selector. An Objective C |
3434 | selector may be implemented by more than one class, therefore it | |
3435 | may represent more than one method/function. This gives us a | |
3436 | situation somewhat analogous to C++ overloading. If there's more | |
3437 | than one method that could represent the selector, then use some of | |
3438 | the existing C++ code to let the user choose one. */ | |
3439 | ||
6c5b2ebe | 3440 | static std::vector<symtab_and_line> |
f00aae0f | 3441 | decode_objc (struct linespec_state *self, linespec_p ls, const char *arg) |
d2630e69 | 3442 | { |
f8eba3c6 | 3443 | struct collect_info info; |
9b2f8581 | 3444 | std::vector<const char *> symbol_names; |
d7561cbb | 3445 | const char *new_argptr; |
f8eba3c6 TT |
3446 | |
3447 | info.state = self; | |
40e084e1 | 3448 | info.file_symtabs = NULL; |
ec94af83 | 3449 | VEC_safe_push (symtab_ptr, info.file_symtabs, NULL); |
9b2f8581 TT |
3450 | struct cleanup *cleanup = make_cleanup (VEC_cleanup (symtab_ptr), |
3451 | &info.file_symtabs); | |
40e084e1 KS |
3452 | info.result.symbols = NULL; |
3453 | info.result.minimal_symbols = NULL; | |
f8eba3c6 | 3454 | |
f00aae0f | 3455 | new_argptr = find_imps (arg, &symbol_names); |
9b2f8581 | 3456 | if (symbol_names.empty ()) |
f8eba3c6 TT |
3457 | { |
3458 | do_cleanups (cleanup); | |
6c5b2ebe | 3459 | return {}; |
f8eba3c6 | 3460 | } |
d2630e69 | 3461 | |
56d87ef7 PA |
3462 | add_all_symbol_names_from_pspace (&info, NULL, symbol_names, |
3463 | FUNCTIONS_DOMAIN); | |
d2630e69 | 3464 | |
6c5b2ebe | 3465 | std::vector<symtab_and_line> values; |
40e084e1 | 3466 | if (!VEC_empty (symbolp, info.result.symbols) |
f60e2d5c | 3467 | || !VEC_empty (bound_minimal_symbol_d, info.result.minimal_symbols)) |
d2630e69 | 3468 | { |
f8eba3c6 | 3469 | char *saved_arg; |
d2630e69 | 3470 | |
224c3ddb | 3471 | saved_arg = (char *) alloca (new_argptr - arg + 1); |
f00aae0f KS |
3472 | memcpy (saved_arg, arg, new_argptr - arg); |
3473 | saved_arg[new_argptr - arg] = '\0'; | |
d2630e69 | 3474 | |
67994074 | 3475 | ls->explicit_loc.function_name = xstrdup (saved_arg); |
40e084e1 KS |
3476 | ls->function_symbols = info.result.symbols; |
3477 | ls->minimal_symbols = info.result.minimal_symbols; | |
3478 | values = convert_linespec_to_sals (self, ls); | |
3479 | ||
f8eba3c6 | 3480 | if (self->canonical) |
d2630e69 | 3481 | { |
f2fc3015 TT |
3482 | std::string holder; |
3483 | const char *str; | |
f00aae0f | 3484 | |
f8eba3c6 | 3485 | self->canonical->pre_expanded = 1; |
f00aae0f | 3486 | |
67994074 | 3487 | if (ls->explicit_loc.source_filename) |
f00aae0f | 3488 | { |
f2fc3015 TT |
3489 | holder = string_printf ("%s:%s", |
3490 | ls->explicit_loc.source_filename, | |
3491 | saved_arg); | |
3492 | str = holder.c_str (); | |
f00aae0f | 3493 | } |
f8eba3c6 | 3494 | else |
f2fc3015 | 3495 | str = saved_arg; |
f00aae0f | 3496 | |
a20714ff PA |
3497 | self->canonical->location |
3498 | = new_linespec_location (&str, symbol_name_match_type::FULL); | |
d2630e69 | 3499 | } |
d2630e69 AF |
3500 | } |
3501 | ||
f8eba3c6 | 3502 | do_cleanups (cleanup); |
c00f8484 | 3503 | |
40e084e1 | 3504 | return values; |
f8eba3c6 | 3505 | } |
c00f8484 | 3506 | |
ffdbe864 YQ |
3507 | namespace { |
3508 | ||
14bc53a8 PA |
3509 | /* A function object that serves as symbol_found_callback_ftype |
3510 | callback for iterate_over_symbols. This is used by | |
3511 | lookup_prefix_sym to collect type symbols. */ | |
3512 | class decode_compound_collector | |
f8eba3c6 | 3513 | { |
14bc53a8 | 3514 | public: |
fc4007c9 | 3515 | decode_compound_collector () |
14bc53a8 | 3516 | : m_symbols (NULL) |
fc4007c9 | 3517 | { |
14bc53a8 PA |
3518 | m_unique_syms = htab_create_alloc (1, htab_hash_pointer, |
3519 | htab_eq_pointer, NULL, | |
3520 | xcalloc, xfree); | |
fc4007c9 TT |
3521 | } |
3522 | ||
3523 | ~decode_compound_collector () | |
3524 | { | |
14bc53a8 PA |
3525 | if (m_unique_syms != NULL) |
3526 | htab_delete (m_unique_syms); | |
fc4007c9 | 3527 | } |
3a93a0c2 | 3528 | |
14bc53a8 PA |
3529 | /* Releases ownership of the collected symbols and returns them. */ |
3530 | VEC (symbolp) *release_symbols () | |
3531 | { | |
3532 | VEC (symbolp) *res = m_symbols; | |
3533 | m_symbols = NULL; | |
3534 | return res; | |
3535 | } | |
c00f8484 | 3536 | |
14bc53a8 PA |
3537 | /* Callable as a symbol_found_callback_ftype callback. */ |
3538 | bool operator () (symbol *sym); | |
3539 | ||
3540 | private: | |
3541 | /* A hash table of all symbols we found. We use this to avoid | |
3542 | adding any symbol more than once. */ | |
3543 | htab_t m_unique_syms; | |
3544 | ||
3545 | /* The result vector. */ | |
3546 | VEC (symbolp) *m_symbols; | |
3547 | }; | |
3548 | ||
3549 | bool | |
3550 | decode_compound_collector::operator () (symbol *sym) | |
f8eba3c6 | 3551 | { |
f8eba3c6 TT |
3552 | void **slot; |
3553 | struct type *t; | |
614b3b14 | 3554 | |
f8eba3c6 | 3555 | if (SYMBOL_CLASS (sym) != LOC_TYPEDEF) |
14bc53a8 | 3556 | return true; /* Continue iterating. */ |
f8eba3c6 TT |
3557 | |
3558 | t = SYMBOL_TYPE (sym); | |
f168693b | 3559 | t = check_typedef (t); |
f8eba3c6 TT |
3560 | if (TYPE_CODE (t) != TYPE_CODE_STRUCT |
3561 | && TYPE_CODE (t) != TYPE_CODE_UNION | |
3562 | && TYPE_CODE (t) != TYPE_CODE_NAMESPACE) | |
14bc53a8 | 3563 | return true; /* Continue iterating. */ |
614b3b14 | 3564 | |
14bc53a8 | 3565 | slot = htab_find_slot (m_unique_syms, sym, INSERT); |
f8eba3c6 TT |
3566 | if (!*slot) |
3567 | { | |
3568 | *slot = sym; | |
14bc53a8 | 3569 | VEC_safe_push (symbolp, m_symbols, sym); |
f8eba3c6 TT |
3570 | } |
3571 | ||
14bc53a8 | 3572 | return true; /* Continue iterating. */ |
f8eba3c6 | 3573 | } |
93d91629 | 3574 | |
ffdbe864 YQ |
3575 | } // namespace |
3576 | ||
40e084e1 | 3577 | /* Return any symbols corresponding to CLASS_NAME in FILE_SYMTABS. */ |
93d91629 | 3578 | |
f8eba3c6 | 3579 | static VEC (symbolp) * |
ec94af83 | 3580 | lookup_prefix_sym (struct linespec_state *state, VEC (symtab_ptr) *file_symtabs, |
40e084e1 | 3581 | const char *class_name) |
93d91629 | 3582 | { |
f8eba3c6 TT |
3583 | int ix; |
3584 | struct symtab *elt; | |
14bc53a8 | 3585 | decode_compound_collector collector; |
e0881a8e | 3586 | |
b5ec771e PA |
3587 | lookup_name_info lookup_name (class_name, symbol_name_match_type::FULL); |
3588 | ||
ec94af83 | 3589 | for (ix = 0; VEC_iterate (symtab_ptr, file_symtabs, ix, elt); ++ix) |
f8eba3c6 TT |
3590 | { |
3591 | if (elt == NULL) | |
3592 | { | |
b5ec771e | 3593 | iterate_over_all_matching_symtabs (state, lookup_name, |
56d87ef7 PA |
3594 | STRUCT_DOMAIN, ALL_DOMAIN, |
3595 | NULL, false, collector); | |
b5ec771e | 3596 | iterate_over_all_matching_symtabs (state, lookup_name, |
56d87ef7 PA |
3597 | VAR_DOMAIN, ALL_DOMAIN, |
3598 | NULL, false, collector); | |
f8eba3c6 TT |
3599 | } |
3600 | else | |
3601 | { | |
f8eba3c6 TT |
3602 | /* Program spaces that are executing startup should have |
3603 | been filtered out earlier. */ | |
3604 | gdb_assert (!SYMTAB_PSPACE (elt)->executing_startup); | |
3605 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
b5ec771e PA |
3606 | iterate_over_file_blocks (elt, lookup_name, STRUCT_DOMAIN, collector); |
3607 | iterate_over_file_blocks (elt, lookup_name, VAR_DOMAIN, collector); | |
1e5a1abc KS |
3608 | } |
3609 | } | |
3610 | ||
14bc53a8 | 3611 | return collector.release_symbols (); |
93d91629 DC |
3612 | } |
3613 | ||
40e084e1 KS |
3614 | /* A qsort comparison function for symbols. The resulting order does |
3615 | not actually matter; we just need to be able to sort them so that | |
3616 | symbols with the same program space end up next to each other. */ | |
3617 | ||
3618 | static int | |
3619 | compare_symbols (const void *a, const void *b) | |
3620 | { | |
9a3c8263 SM |
3621 | struct symbol * const *sa = (struct symbol * const*) a; |
3622 | struct symbol * const *sb = (struct symbol * const*) b; | |
40e084e1 KS |
3623 | uintptr_t uia, uib; |
3624 | ||
08be3fe3 DE |
3625 | uia = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (*sa)); |
3626 | uib = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (*sb)); | |
40e084e1 KS |
3627 | |
3628 | if (uia < uib) | |
3629 | return -1; | |
3630 | if (uia > uib) | |
3631 | return 1; | |
3632 | ||
3633 | uia = (uintptr_t) *sa; | |
3634 | uib = (uintptr_t) *sb; | |
3635 | ||
3636 | if (uia < uib) | |
3637 | return -1; | |
3638 | if (uia > uib) | |
3639 | return 1; | |
3640 | ||
3641 | return 0; | |
3642 | } | |
3643 | ||
3644 | /* Like compare_symbols but for minimal symbols. */ | |
4224873a | 3645 | |
f8eba3c6 | 3646 | static int |
40e084e1 | 3647 | compare_msymbols (const void *a, const void *b) |
4224873a | 3648 | { |
9a3c8263 SM |
3649 | const struct bound_minimal_symbol *sa |
3650 | = (const struct bound_minimal_symbol *) a; | |
3651 | const struct bound_minimal_symbol *sb | |
3652 | = (const struct bound_minimal_symbol *) b; | |
f8eba3c6 TT |
3653 | uintptr_t uia, uib; |
3654 | ||
001822aa TT |
3655 | uia = (uintptr_t) sa->objfile->pspace; |
3656 | uib = (uintptr_t) sa->objfile->pspace; | |
f8eba3c6 TT |
3657 | |
3658 | if (uia < uib) | |
3659 | return -1; | |
3660 | if (uia > uib) | |
3661 | return 1; | |
3662 | ||
001822aa TT |
3663 | uia = (uintptr_t) sa->minsym; |
3664 | uib = (uintptr_t) sb->minsym; | |
f8eba3c6 TT |
3665 | |
3666 | if (uia < uib) | |
3667 | return -1; | |
3668 | if (uia > uib) | |
3669 | return 1; | |
3670 | ||
3671 | return 0; | |
3672 | } | |
3673 | ||
3674 | /* Look for all the matching instances of each symbol in NAMES. Only | |
3675 | instances from PSPACE are considered; other program spaces are | |
3676 | handled by our caller. If PSPACE is NULL, then all program spaces | |
3677 | are considered. Results are stored into INFO. */ | |
3678 | ||
3679 | static void | |
3680 | add_all_symbol_names_from_pspace (struct collect_info *info, | |
3681 | struct program_space *pspace, | |
9b2f8581 | 3682 | const std::vector<const char *> &names, |
56d87ef7 | 3683 | enum search_domain search_domain) |
f8eba3c6 | 3684 | { |
9b2f8581 | 3685 | for (const char *iter : names) |
b5ec771e PA |
3686 | add_matching_symbols_to_info (iter, |
3687 | symbol_name_match_type::FULL, | |
56d87ef7 | 3688 | search_domain, info, pspace); |
f8eba3c6 TT |
3689 | } |
3690 | ||
3691 | static void | |
8e8d776e | 3692 | find_superclass_methods (std::vector<struct type *> &&superclasses, |
b5ec771e | 3693 | const char *name, enum language name_lang, |
9b2f8581 | 3694 | std::vector<const char *> *result_names) |
f8eba3c6 | 3695 | { |
9b2f8581 | 3696 | size_t old_len = result_names->size (); |
f8eba3c6 | 3697 | |
f8eba3c6 TT |
3698 | while (1) |
3699 | { | |
8e8d776e | 3700 | std::vector<struct type *> new_supers; |
f8eba3c6 | 3701 | |
52941706 | 3702 | for (type *t : superclasses) |
b5ec771e | 3703 | find_methods (t, name_lang, name, result_names, &new_supers); |
f8eba3c6 | 3704 | |
8e8d776e | 3705 | if (result_names->size () != old_len || new_supers.empty ()) |
f8eba3c6 | 3706 | break; |
4224873a | 3707 | |
8e8d776e | 3708 | superclasses = std::move (new_supers); |
f8eba3c6 | 3709 | } |
f8eba3c6 TT |
3710 | } |
3711 | ||
40e084e1 KS |
3712 | /* This finds the method METHOD_NAME in the class CLASS_NAME whose type is |
3713 | given by one of the symbols in SYM_CLASSES. Matches are returned | |
3714 | in SYMBOLS (for debug symbols) and MINSYMS (for minimal symbols). */ | |
f8eba3c6 | 3715 | |
40e084e1 | 3716 | static void |
ec94af83 | 3717 | find_method (struct linespec_state *self, VEC (symtab_ptr) *file_symtabs, |
40e084e1 KS |
3718 | const char *class_name, const char *method_name, |
3719 | VEC (symbolp) *sym_classes, VEC (symbolp) **symbols, | |
f60e2d5c | 3720 | VEC (bound_minimal_symbol_d) **minsyms) |
f8eba3c6 | 3721 | { |
f8eba3c6 | 3722 | struct symbol *sym; |
f8eba3c6 | 3723 | int ix; |
9b2f8581 | 3724 | size_t last_result_len; |
8e8d776e | 3725 | std::vector<struct type *> superclass_vec; |
9b2f8581 | 3726 | std::vector<const char *> result_names; |
f8eba3c6 | 3727 | struct collect_info info; |
4224873a | 3728 | |
f8eba3c6 TT |
3729 | /* Sort symbols so that symbols with the same program space are next |
3730 | to each other. */ | |
3731 | qsort (VEC_address (symbolp, sym_classes), | |
3732 | VEC_length (symbolp, sym_classes), | |
3733 | sizeof (symbolp), | |
3734 | compare_symbols); | |
3735 | ||
3736 | info.state = self; | |
40e084e1 KS |
3737 | info.file_symtabs = file_symtabs; |
3738 | info.result.symbols = NULL; | |
3739 | info.result.minimal_symbols = NULL; | |
f8eba3c6 TT |
3740 | |
3741 | /* Iterate over all the types, looking for the names of existing | |
40e084e1 | 3742 | methods matching METHOD_NAME. If we cannot find a direct method in a |
f8eba3c6 TT |
3743 | given program space, then we consider inherited methods; this is |
3744 | not ideal (ideal would be to respect C++ hiding rules), but it | |
3745 | seems good enough and is what GDB has historically done. We only | |
3746 | need to collect the names because later we find all symbols with | |
3747 | those names. This loop is written in a somewhat funny way | |
3748 | because we collect data across the program space before deciding | |
3749 | what to do. */ | |
f8eba3c6 TT |
3750 | last_result_len = 0; |
3751 | for (ix = 0; VEC_iterate (symbolp, sym_classes, ix, sym); ++ix) | |
3752 | { | |
3753 | struct type *t; | |
3754 | struct program_space *pspace; | |
3755 | ||
3756 | /* Program spaces that are executing startup should have | |
3757 | been filtered out earlier. */ | |
08be3fe3 DE |
3758 | pspace = SYMTAB_PSPACE (symbol_symtab (sym)); |
3759 | gdb_assert (!pspace->executing_startup); | |
f8eba3c6 TT |
3760 | set_current_program_space (pspace); |
3761 | t = check_typedef (SYMBOL_TYPE (sym)); | |
b5ec771e PA |
3762 | find_methods (t, SYMBOL_LANGUAGE (sym), |
3763 | method_name, &result_names, &superclass_vec); | |
f8eba3c6 TT |
3764 | |
3765 | /* Handle all items from a single program space at once; and be | |
3766 | sure not to miss the last batch. */ | |
3767 | if (ix == VEC_length (symbolp, sym_classes) - 1 | |
3768 | || (pspace | |
08be3fe3 | 3769 | != SYMTAB_PSPACE (symbol_symtab (VEC_index (symbolp, sym_classes, |
f8eba3c6 | 3770 | ix + 1))))) |
4224873a | 3771 | { |
f8eba3c6 TT |
3772 | /* If we did not find a direct implementation anywhere in |
3773 | this program space, consider superclasses. */ | |
9b2f8581 | 3774 | if (result_names.size () == last_result_len) |
8e8d776e | 3775 | find_superclass_methods (std::move (superclass_vec), method_name, |
b5ec771e | 3776 | SYMBOL_LANGUAGE (sym), &result_names); |
f8eba3c6 TT |
3777 | |
3778 | /* We have a list of candidate symbol names, so now we | |
3779 | iterate over the symbol tables looking for all | |
3780 | matches in this pspace. */ | |
56d87ef7 PA |
3781 | add_all_symbol_names_from_pspace (&info, pspace, result_names, |
3782 | FUNCTIONS_DOMAIN); | |
f8eba3c6 | 3783 | |
8e8d776e | 3784 | superclass_vec.clear (); |
9b2f8581 | 3785 | last_result_len = result_names.size (); |
4224873a | 3786 | } |
4224873a | 3787 | } |
f8eba3c6 | 3788 | |
40e084e1 | 3789 | if (!VEC_empty (symbolp, info.result.symbols) |
f60e2d5c | 3790 | || !VEC_empty (bound_minimal_symbol_d, info.result.minimal_symbols)) |
4224873a | 3791 | { |
40e084e1 KS |
3792 | *symbols = info.result.symbols; |
3793 | *minsyms = info.result.minimal_symbols; | |
40e084e1 | 3794 | return; |
4224873a | 3795 | } |
f8eba3c6 | 3796 | |
40e084e1 KS |
3797 | /* Throw an NOT_FOUND_ERROR. This will be caught by the caller |
3798 | and other attempts to locate the symbol will be made. */ | |
3799 | throw_error (NOT_FOUND_ERROR, _("see caller, this text doesn't matter")); | |
f8eba3c6 TT |
3800 | } |
3801 | ||
3802 | \f | |
3803 | ||
ffdbe864 YQ |
3804 | namespace { |
3805 | ||
14bc53a8 PA |
3806 | /* This function object is a callback for iterate_over_symtabs, used |
3807 | when collecting all matching symtabs. */ | |
f8eba3c6 | 3808 | |
14bc53a8 | 3809 | class symtab_collector |
f8eba3c6 | 3810 | { |
14bc53a8 | 3811 | public: |
fc4007c9 | 3812 | symtab_collector () |
fc4007c9 | 3813 | { |
14bc53a8 PA |
3814 | m_symtabs = NULL; |
3815 | m_symtab_table = htab_create (1, htab_hash_pointer, htab_eq_pointer, | |
3816 | NULL); | |
fc4007c9 TT |
3817 | } |
3818 | ||
3819 | ~symtab_collector () | |
3820 | { | |
14bc53a8 PA |
3821 | if (m_symtab_table != NULL) |
3822 | htab_delete (m_symtab_table); | |
fc4007c9 | 3823 | } |
f8eba3c6 | 3824 | |
14bc53a8 PA |
3825 | /* Callable as a symbol_found_callback_ftype callback. */ |
3826 | bool operator () (symtab *sym); | |
f8eba3c6 | 3827 | |
14bc53a8 PA |
3828 | /* Releases ownership of the collected symtabs and returns them. */ |
3829 | VEC (symtab_ptr) *release_symtabs () | |
3830 | { | |
3831 | VEC (symtab_ptr) *res = m_symtabs; | |
3832 | m_symtabs = NULL; | |
3833 | return res; | |
3834 | } | |
3835 | ||
3836 | private: | |
3837 | /* The result vector of symtabs. */ | |
3838 | VEC (symtab_ptr) *m_symtabs; | |
3839 | ||
3840 | /* This is used to ensure the symtabs are unique. */ | |
3841 | htab_t m_symtab_table; | |
3842 | }; | |
3843 | ||
3844 | bool | |
3845 | symtab_collector::operator () (struct symtab *symtab) | |
f8eba3c6 | 3846 | { |
f8eba3c6 TT |
3847 | void **slot; |
3848 | ||
14bc53a8 | 3849 | slot = htab_find_slot (m_symtab_table, symtab, INSERT); |
f8eba3c6 | 3850 | if (!*slot) |
4224873a | 3851 | { |
f8eba3c6 | 3852 | *slot = symtab; |
14bc53a8 | 3853 | VEC_safe_push (symtab_ptr, m_symtabs, symtab); |
4224873a | 3854 | } |
f8eba3c6 | 3855 | |
14bc53a8 | 3856 | return false; |
4224873a DC |
3857 | } |
3858 | ||
ffdbe864 YQ |
3859 | } // namespace |
3860 | ||
c2f4122d PA |
3861 | /* Given a file name, return a VEC of all matching symtabs. If |
3862 | SEARCH_PSPACE is not NULL, the search is restricted to just that | |
3863 | program space. */ | |
f8eba3c6 | 3864 | |
ec94af83 | 3865 | static VEC (symtab_ptr) * |
c2f4122d PA |
3866 | collect_symtabs_from_filename (const char *file, |
3867 | struct program_space *search_pspace) | |
f8eba3c6 | 3868 | { |
14bc53a8 | 3869 | symtab_collector collector; |
f8eba3c6 TT |
3870 | |
3871 | /* Find that file's data. */ | |
c2f4122d PA |
3872 | if (search_pspace == NULL) |
3873 | { | |
14bc53a8 PA |
3874 | struct program_space *pspace; |
3875 | ||
c2f4122d PA |
3876 | ALL_PSPACES (pspace) |
3877 | { | |
3878 | if (pspace->executing_startup) | |
3879 | continue; | |
f8eba3c6 | 3880 | |
c2f4122d | 3881 | set_current_program_space (pspace); |
14bc53a8 | 3882 | iterate_over_symtabs (file, collector); |
c2f4122d PA |
3883 | } |
3884 | } | |
3885 | else | |
3886 | { | |
3887 | set_current_program_space (search_pspace); | |
14bc53a8 | 3888 | iterate_over_symtabs (file, collector); |
c2f4122d | 3889 | } |
f3c39e76 | 3890 | |
14bc53a8 | 3891 | return collector.release_symtabs (); |
f8eba3c6 TT |
3892 | } |
3893 | ||
c2f4122d PA |
3894 | /* Return all the symtabs associated to the FILENAME. If SEARCH_PSPACE is |
3895 | not NULL, the search is restricted to just that program space. */ | |
f8eba3c6 | 3896 | |
ec94af83 | 3897 | static VEC (symtab_ptr) * |
c2f4122d PA |
3898 | symtabs_from_filename (const char *filename, |
3899 | struct program_space *search_pspace) | |
40e084e1 | 3900 | { |
ec94af83 | 3901 | VEC (symtab_ptr) *result; |
40e084e1 | 3902 | |
c2f4122d | 3903 | result = collect_symtabs_from_filename (filename, search_pspace); |
f8eba3c6 | 3904 | |
ec94af83 | 3905 | if (VEC_empty (symtab_ptr, result)) |
f8eba3c6 | 3906 | { |
40e084e1 KS |
3907 | if (!have_full_symbols () && !have_partial_symbols ()) |
3908 | throw_error (NOT_FOUND_ERROR, | |
3909 | _("No symbol table is loaded. " | |
3910 | "Use the \"file\" command.")); | |
00e52e53 | 3911 | source_file_not_found_error (filename); |
f8eba3c6 TT |
3912 | } |
3913 | ||
40e084e1 | 3914 | return result; |
84fba31b | 3915 | } |
f3c39e76 | 3916 | |
40e084e1 KS |
3917 | /* Look up a function symbol named NAME in symtabs FILE_SYMTABS. Matching |
3918 | debug symbols are returned in SYMBOLS. Matching minimal symbols are | |
3919 | returned in MINSYMS. */ | |
14e91ac5 | 3920 | |
40e084e1 KS |
3921 | static void |
3922 | find_function_symbols (struct linespec_state *state, | |
ec94af83 | 3923 | VEC (symtab_ptr) *file_symtabs, const char *name, |
a20714ff | 3924 | symbol_name_match_type name_match_type, |
40e084e1 | 3925 | VEC (symbolp) **symbols, |
f60e2d5c | 3926 | VEC (bound_minimal_symbol_d) **minsyms) |
14e91ac5 | 3927 | { |
40e084e1 | 3928 | struct collect_info info; |
9b2f8581 | 3929 | std::vector<const char *> symbol_names; |
14e91ac5 | 3930 | |
40e084e1 KS |
3931 | info.state = state; |
3932 | info.result.symbols = NULL; | |
3933 | info.result.minimal_symbols = NULL; | |
3934 | info.file_symtabs = file_symtabs; | |
e0881a8e | 3935 | |
40e084e1 | 3936 | /* Try NAME as an Objective-C selector. */ |
d7561cbb | 3937 | find_imps (name, &symbol_names); |
9b2f8581 | 3938 | if (!symbol_names.empty ()) |
c2f4122d | 3939 | add_all_symbol_names_from_pspace (&info, state->search_pspace, |
56d87ef7 | 3940 | symbol_names, FUNCTIONS_DOMAIN); |
40e084e1 | 3941 | else |
a20714ff | 3942 | add_matching_symbols_to_info (name, name_match_type, FUNCTIONS_DOMAIN, |
b5ec771e | 3943 | &info, state->search_pspace); |
40e084e1 | 3944 | |
40e084e1 KS |
3945 | if (VEC_empty (symbolp, info.result.symbols)) |
3946 | { | |
3947 | VEC_free (symbolp, info.result.symbols); | |
3948 | *symbols = NULL; | |
14e91ac5 DC |
3949 | } |
3950 | else | |
40e084e1 KS |
3951 | *symbols = info.result.symbols; |
3952 | ||
f60e2d5c | 3953 | if (VEC_empty (bound_minimal_symbol_d, info.result.minimal_symbols)) |
14e91ac5 | 3954 | { |
f60e2d5c | 3955 | VEC_free (bound_minimal_symbol_d, info.result.minimal_symbols); |
40e084e1 KS |
3956 | *minsyms = NULL; |
3957 | } | |
3958 | else | |
3959 | *minsyms = info.result.minimal_symbols; | |
3960 | } | |
3961 | ||
3962 | /* Find all symbols named NAME in FILE_SYMTABS, returning debug symbols | |
3963 | in SYMBOLS and minimal symbols in MINSYMS. */ | |
14e91ac5 | 3964 | |
b1ae631a | 3965 | static void |
40e084e1 | 3966 | find_linespec_symbols (struct linespec_state *state, |
ec94af83 | 3967 | VEC (symtab_ptr) *file_symtabs, |
b5ec771e | 3968 | const char *lookup_name, |
a20714ff | 3969 | symbol_name_match_type name_match_type, |
40e084e1 | 3970 | VEC (symbolp) **symbols, |
f60e2d5c | 3971 | VEC (bound_minimal_symbol_d) **minsyms) |
40e084e1 | 3972 | { |
2f408ecb PA |
3973 | std::string canon = cp_canonicalize_string_no_typedefs (lookup_name); |
3974 | if (!canon.empty ()) | |
3975 | lookup_name = canon.c_str (); | |
3976 | ||
cc81e1c6 DE |
3977 | /* It's important to not call expand_symtabs_matching unnecessarily |
3978 | as it can really slow things down (by unnecessarily expanding | |
3979 | potentially 1000s of symtabs, which when debugging some apps can | |
3980 | cost 100s of seconds). Avoid this to some extent by *first* calling | |
3981 | find_function_symbols, and only if that doesn't find anything | |
3982 | *then* call find_method. This handles two important cases: | |
3983 | 1) break (anonymous namespace)::foo | |
3984 | 2) break class::method where method is in class (and not a baseclass) */ | |
14e91ac5 | 3985 | |
cc81e1c6 | 3986 | find_function_symbols (state, file_symtabs, lookup_name, |
a20714ff | 3987 | name_match_type, |
cc81e1c6 | 3988 | symbols, minsyms); |
14e91ac5 | 3989 | |
cc81e1c6 DE |
3990 | /* If we were unable to locate a symbol of the same name, try dividing |
3991 | the name into class and method names and searching the class and its | |
3992 | baseclasses. */ | |
3993 | if (VEC_empty (symbolp, *symbols) | |
f60e2d5c | 3994 | && VEC_empty (bound_minimal_symbol_d, *minsyms)) |
40e084e1 | 3995 | { |
2f408ecb | 3996 | std::string klass, method; |
cc81e1c6 DE |
3997 | const char *last, *p, *scope_op; |
3998 | VEC (symbolp) *classes; | |
14e91ac5 | 3999 | |
cc81e1c6 DE |
4000 | /* See if we can find a scope operator and break this symbol |
4001 | name into namespaces${SCOPE_OPERATOR}class_name and method_name. */ | |
4002 | scope_op = "::"; | |
4003 | p = find_toplevel_string (lookup_name, scope_op); | |
14e91ac5 | 4004 | |
cc81e1c6 DE |
4005 | last = NULL; |
4006 | while (p != NULL) | |
f8eba3c6 | 4007 | { |
cc81e1c6 DE |
4008 | last = p; |
4009 | p = find_toplevel_string (p + strlen (scope_op), scope_op); | |
f8eba3c6 | 4010 | } |
14e91ac5 | 4011 | |
cc81e1c6 DE |
4012 | /* If no scope operator was found, there is nothing more we can do; |
4013 | we already attempted to lookup the entire name as a symbol | |
4014 | and failed. */ | |
4015 | if (last == NULL) | |
2f408ecb | 4016 | return; |
cc81e1c6 DE |
4017 | |
4018 | /* LOOKUP_NAME points to the class name. | |
4019 | LAST points to the method name. */ | |
2f408ecb | 4020 | klass = std::string (lookup_name, last - lookup_name); |
cc81e1c6 DE |
4021 | |
4022 | /* Skip past the scope operator. */ | |
4023 | last += strlen (scope_op); | |
2f408ecb | 4024 | method = last; |
cc81e1c6 DE |
4025 | |
4026 | /* Find a list of classes named KLASS. */ | |
2f408ecb PA |
4027 | classes = lookup_prefix_sym (state, file_symtabs, klass.c_str ()); |
4028 | struct cleanup *old_chain | |
4029 | = make_cleanup (VEC_cleanup (symbolp), &classes); | |
cc81e1c6 DE |
4030 | |
4031 | if (!VEC_empty (symbolp, classes)) | |
4032 | { | |
4033 | /* Now locate a list of suitable methods named METHOD. */ | |
492d29ea | 4034 | TRY |
cc81e1c6 | 4035 | { |
2f408ecb PA |
4036 | find_method (state, file_symtabs, |
4037 | klass.c_str (), method.c_str (), | |
4038 | classes, symbols, minsyms); | |
cc81e1c6 DE |
4039 | } |
4040 | ||
4041 | /* If successful, we're done. If NOT_FOUND_ERROR | |
4042 | was not thrown, rethrow the exception that we did get. */ | |
492d29ea | 4043 | CATCH (except, RETURN_MASK_ERROR) |
7556d4a4 PA |
4044 | { |
4045 | if (except.error != NOT_FOUND_ERROR) | |
4046 | throw_exception (except); | |
4047 | } | |
492d29ea | 4048 | END_CATCH |
cc81e1c6 | 4049 | } |
14e91ac5 | 4050 | |
2f408ecb PA |
4051 | do_cleanups (old_chain); |
4052 | } | |
14e91ac5 DC |
4053 | } |
4054 | ||
a2459270 PA |
4055 | /* Helper for find_label_symbols. Find all labels that match name |
4056 | NAME in BLOCK. Return all labels that match in FUNCTION_SYMBOLS. | |
4057 | Return the actual function symbol in which the label was found in | |
4058 | LABEL_FUNC_RET. If COMPLETION_MODE is true, then NAME is | |
4059 | interpreted as a label name prefix. Otherwise, only a label named | |
4060 | exactly NAME match. */ | |
4061 | ||
4062 | static void | |
4063 | find_label_symbols_in_block (const struct block *block, | |
4064 | const char *name, struct symbol *fn_sym, | |
4065 | bool completion_mode, | |
4066 | VEC (symbolp) **result, | |
4067 | VEC (symbolp) **label_funcs_ret) | |
4068 | { | |
4069 | if (completion_mode) | |
4070 | { | |
4071 | struct block_iterator iter; | |
4072 | struct symbol *sym; | |
4073 | size_t name_len = strlen (name); | |
4074 | ||
4075 | int (*cmp) (const char *, const char *, size_t); | |
4076 | cmp = case_sensitivity == case_sensitive_on ? strncmp : strncasecmp; | |
4077 | ||
4078 | ALL_BLOCK_SYMBOLS (block, iter, sym) | |
4079 | { | |
4080 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), | |
4081 | SYMBOL_DOMAIN (sym), LABEL_DOMAIN) | |
4082 | && cmp (SYMBOL_SEARCH_NAME (sym), name, name_len) == 0) | |
4083 | { | |
4084 | VEC_safe_push (symbolp, *result, sym); | |
4085 | VEC_safe_push (symbolp, *label_funcs_ret, fn_sym); | |
4086 | } | |
4087 | } | |
4088 | } | |
4089 | else | |
4090 | { | |
4091 | struct symbol *sym = lookup_symbol (name, block, LABEL_DOMAIN, 0).symbol; | |
4092 | ||
4093 | if (sym != NULL) | |
4094 | { | |
4095 | VEC_safe_push (symbolp, *result, sym); | |
4096 | VEC_safe_push (symbolp, *label_funcs_ret, fn_sym); | |
4097 | } | |
4098 | } | |
4099 | } | |
4100 | ||
4101 | /* Return all labels that match name NAME in FUNCTION_SYMBOLS. Return | |
4102 | the actual function symbol in which the label was found in | |
4103 | LABEL_FUNC_RET. If COMPLETION_MODE is true, then NAME is | |
4104 | interpreted as a label name prefix. Otherwise, only labels named | |
4105 | exactly NAME match. */ | |
0f5238ed | 4106 | |
40e084e1 KS |
4107 | static VEC (symbolp) * |
4108 | find_label_symbols (struct linespec_state *self, | |
4109 | VEC (symbolp) *function_symbols, | |
a2459270 PA |
4110 | VEC (symbolp) **label_funcs_ret, const char *name, |
4111 | bool completion_mode) | |
0f5238ed | 4112 | { |
f8eba3c6 | 4113 | int ix; |
3977b71f | 4114 | const struct block *block; |
40e084e1 KS |
4115 | struct symbol *fn_sym; |
4116 | VEC (symbolp) *result = NULL; | |
9ef07c8c | 4117 | |
f8eba3c6 | 4118 | if (function_symbols == NULL) |
9ef07c8c | 4119 | { |
f8eba3c6 | 4120 | set_current_program_space (self->program_space); |
4eeaa230 | 4121 | block = get_current_search_block (); |
f8eba3c6 | 4122 | |
9ef07c8c TT |
4123 | for (; |
4124 | block && !BLOCK_FUNCTION (block); | |
4125 | block = BLOCK_SUPERBLOCK (block)) | |
4126 | ; | |
4127 | if (!block) | |
40e084e1 | 4128 | return NULL; |
f8eba3c6 TT |
4129 | fn_sym = BLOCK_FUNCTION (block); |
4130 | ||
a2459270 PA |
4131 | find_label_symbols_in_block (block, name, fn_sym, completion_mode, |
4132 | &result, label_funcs_ret); | |
40e084e1 KS |
4133 | } |
4134 | else | |
4135 | { | |
4136 | for (ix = 0; | |
4137 | VEC_iterate (symbolp, function_symbols, ix, fn_sym); ++ix) | |
f8eba3c6 | 4138 | { |
08be3fe3 | 4139 | set_current_program_space (SYMTAB_PSPACE (symbol_symtab (fn_sym))); |
40e084e1 | 4140 | block = SYMBOL_BLOCK_VALUE (fn_sym); |
40e084e1 | 4141 | |
a2459270 PA |
4142 | find_label_symbols_in_block (block, name, fn_sym, completion_mode, |
4143 | &result, label_funcs_ret); | |
f8eba3c6 | 4144 | } |
40e084e1 | 4145 | } |
f8eba3c6 | 4146 | |
40e084e1 KS |
4147 | return result; |
4148 | } | |
f8eba3c6 | 4149 | |
40e084e1 KS |
4150 | \f |
4151 | ||
4152 | /* A helper for create_sals_line_offset that handles the 'list_mode' case. */ | |
4153 | ||
6c5b2ebe | 4154 | static std::vector<symtab_and_line> |
40e084e1 KS |
4155 | decode_digits_list_mode (struct linespec_state *self, |
4156 | linespec_p ls, | |
40e084e1 KS |
4157 | struct symtab_and_line val) |
4158 | { | |
4159 | int ix; | |
4160 | struct symtab *elt; | |
4161 | ||
4162 | gdb_assert (self->list_mode); | |
4163 | ||
6c5b2ebe PA |
4164 | std::vector<symtab_and_line> values; |
4165 | ||
ec94af83 | 4166 | for (ix = 0; VEC_iterate (symtab_ptr, ls->file_symtabs, ix, elt); |
40e084e1 KS |
4167 | ++ix) |
4168 | { | |
4169 | /* The logic above should ensure this. */ | |
4170 | gdb_assert (elt != NULL); | |
4171 | ||
4172 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
4173 | ||
4174 | /* Simplistic search just for the list command. */ | |
4175 | val.symtab = find_line_symtab (elt, val.line, NULL, NULL); | |
4176 | if (val.symtab == NULL) | |
4177 | val.symtab = elt; | |
4178 | val.pspace = SYMTAB_PSPACE (elt); | |
4179 | val.pc = 0; | |
4180 | val.explicit_line = 1; | |
4181 | ||
6c5b2ebe | 4182 | add_sal_to_sals (self, &values, &val, NULL, 0); |
f8eba3c6 | 4183 | } |
6c5b2ebe PA |
4184 | |
4185 | return values; | |
40e084e1 | 4186 | } |
f8eba3c6 | 4187 | |
40e084e1 KS |
4188 | /* A helper for create_sals_line_offset that iterates over the symtabs, |
4189 | adding lines to the VEC. */ | |
4190 | ||
6c5b2ebe | 4191 | static std::vector<symtab_and_line> |
40e084e1 KS |
4192 | decode_digits_ordinary (struct linespec_state *self, |
4193 | linespec_p ls, | |
4194 | int line, | |
40e084e1 KS |
4195 | struct linetable_entry **best_entry) |
4196 | { | |
4197 | int ix; | |
4198 | struct symtab *elt; | |
f8eba3c6 | 4199 | |
6c5b2ebe | 4200 | std::vector<symtab_and_line> sals; |
ec94af83 | 4201 | for (ix = 0; VEC_iterate (symtab_ptr, ls->file_symtabs, ix, elt); ++ix) |
f8eba3c6 | 4202 | { |
67d89901 | 4203 | std::vector<CORE_ADDR> pcs; |
40e084e1 KS |
4204 | |
4205 | /* The logic above should ensure this. */ | |
4206 | gdb_assert (elt != NULL); | |
f8eba3c6 | 4207 | |
40e084e1 | 4208 | set_current_program_space (SYMTAB_PSPACE (elt)); |
f8eba3c6 | 4209 | |
40e084e1 | 4210 | pcs = find_pcs_for_symtab_line (elt, line, best_entry); |
67d89901 | 4211 | for (CORE_ADDR pc : pcs) |
f8eba3c6 | 4212 | { |
51abb421 | 4213 | symtab_and_line sal; |
40e084e1 KS |
4214 | sal.pspace = SYMTAB_PSPACE (elt); |
4215 | sal.symtab = elt; | |
4216 | sal.line = line; | |
4217 | sal.pc = pc; | |
6c5b2ebe | 4218 | sals.push_back (std::move (sal)); |
f8eba3c6 TT |
4219 | } |
4220 | } | |
6c5b2ebe PA |
4221 | |
4222 | return sals; | |
40e084e1 KS |
4223 | } |
4224 | ||
4225 | \f | |
4226 | ||
4227 | /* Return the line offset represented by VARIABLE. */ | |
4228 | ||
4229 | static struct line_offset | |
4230 | linespec_parse_variable (struct linespec_state *self, const char *variable) | |
4231 | { | |
4232 | int index = 0; | |
4233 | const char *p; | |
4234 | struct line_offset offset = {0, LINE_OFFSET_NONE}; | |
f8eba3c6 | 4235 | |
40e084e1 KS |
4236 | p = (variable[1] == '$') ? variable + 2 : variable + 1; |
4237 | if (*p == '$') | |
4238 | ++p; | |
4239 | while (*p >= '0' && *p <= '9') | |
4240 | ++p; | |
4241 | if (!*p) /* Reached end of token without hitting non-digit. */ | |
f8eba3c6 | 4242 | { |
40e084e1 KS |
4243 | /* We have a value history reference. */ |
4244 | struct value *val_history; | |
f8eba3c6 | 4245 | |
40e084e1 KS |
4246 | sscanf ((variable[1] == '$') ? variable + 2 : variable + 1, "%d", &index); |
4247 | val_history | |
4248 | = access_value_history ((variable[1] == '$') ? -index : index); | |
4249 | if (TYPE_CODE (value_type (val_history)) != TYPE_CODE_INT) | |
4250 | error (_("History values used in line " | |
4251 | "specs must have integer values.")); | |
4252 | offset.offset = value_as_long (val_history); | |
4253 | } | |
4254 | else | |
4255 | { | |
4256 | /* Not all digits -- may be user variable/function or a | |
4257 | convenience variable. */ | |
4258 | LONGEST valx; | |
4259 | struct internalvar *ivar; | |
4260 | ||
4261 | /* Try it as a convenience variable. If it is not a convenience | |
4262 | variable, return and allow normal symbol lookup to occur. */ | |
4263 | ivar = lookup_only_internalvar (variable + 1); | |
4264 | if (ivar == NULL) | |
4265 | /* No internal variable with that name. Mark the offset | |
4266 | as unknown to allow the name to be looked up as a symbol. */ | |
4267 | offset.sign = LINE_OFFSET_UNKNOWN; | |
4268 | else | |
4269 | { | |
4270 | /* We found a valid variable name. If it is not an integer, | |
4271 | throw an error. */ | |
4272 | if (!get_internalvar_integer (ivar, &valx)) | |
4273 | error (_("Convenience variables used in line " | |
4274 | "specs must have integer values.")); | |
4275 | else | |
4276 | offset.offset = valx; | |
4277 | } | |
f8eba3c6 TT |
4278 | } |
4279 | ||
40e084e1 | 4280 | return offset; |
f8eba3c6 | 4281 | } |
40e084e1 | 4282 | \f |
f8eba3c6 | 4283 | |
40e084e1 | 4284 | /* We've found a minimal symbol MSYMBOL in OBJFILE to associate with our |
6e22494e JK |
4285 | linespec; return the SAL in RESULT. This function should return SALs |
4286 | matching those from find_function_start_sal, otherwise false | |
4287 | multiple-locations breakpoints could be placed. */ | |
f8eba3c6 TT |
4288 | |
4289 | static void | |
4290 | minsym_found (struct linespec_state *self, struct objfile *objfile, | |
4291 | struct minimal_symbol *msymbol, | |
6c5b2ebe | 4292 | std::vector<symtab_and_line> *result) |
f8eba3c6 | 4293 | { |
3467ec66 | 4294 | bool want_start_sal; |
f8eba3c6 | 4295 | |
4024cf2b | 4296 | CORE_ADDR func_addr; |
3467ec66 PA |
4297 | bool is_function = msymbol_is_function (objfile, msymbol, &func_addr); |
4298 | ||
4299 | if (is_function) | |
4300 | { | |
4301 | const char *msym_name = MSYMBOL_LINKAGE_NAME (msymbol); | |
4302 | ||
f50776aa PA |
4303 | if (MSYMBOL_TYPE (msymbol) == mst_text_gnu_ifunc |
4304 | || MSYMBOL_TYPE (msymbol) == mst_data_gnu_ifunc) | |
3467ec66 PA |
4305 | want_start_sal = gnu_ifunc_resolve_name (msym_name, &func_addr); |
4306 | else | |
4307 | want_start_sal = true; | |
4308 | } | |
4309 | ||
4310 | symtab_and_line sal; | |
4311 | ||
4312 | if (is_function && want_start_sal) | |
42ddae10 | 4313 | sal = find_function_start_sal (func_addr, NULL, self->funfirstline); |
e5f25bc5 PA |
4314 | else |
4315 | { | |
4316 | sal.objfile = objfile; | |
3467ec66 PA |
4317 | sal.msymbol = msymbol; |
4318 | /* Store func_addr, not the minsym's address in case this was an | |
4319 | ifunc that hasn't been resolved yet. */ | |
4320 | if (is_function) | |
4321 | sal.pc = func_addr; | |
4322 | else | |
4323 | sal.pc = MSYMBOL_VALUE_ADDRESS (objfile, msymbol); | |
e5f25bc5 | 4324 | sal.pspace = current_program_space; |
6e22494e | 4325 | } |
f8eba3c6 | 4326 | |
6b05c8bd YQ |
4327 | sal.section = MSYMBOL_OBJ_SECTION (objfile, msymbol); |
4328 | ||
07fea4b4 | 4329 | if (maybe_add_address (self->addr_set, objfile->pspace, sal.pc)) |
efd66ac6 | 4330 | add_sal_to_sals (self, result, &sal, MSYMBOL_NATURAL_NAME (msymbol), 0); |
f8eba3c6 TT |
4331 | } |
4332 | ||
39b856a4 TT |
4333 | /* A helper function to classify a minimal_symbol_type according to |
4334 | priority. */ | |
4335 | ||
4336 | static int | |
4337 | classify_mtype (enum minimal_symbol_type t) | |
4338 | { | |
4339 | switch (t) | |
f8eba3c6 | 4340 | { |
39b856a4 TT |
4341 | case mst_file_text: |
4342 | case mst_file_data: | |
4343 | case mst_file_bss: | |
4344 | /* Intermediate priority. */ | |
4345 | return 1; | |
4346 | ||
4347 | case mst_solib_trampoline: | |
4348 | /* Lowest priority. */ | |
4349 | return 2; | |
4350 | ||
4351 | default: | |
4352 | /* Highest priority. */ | |
4353 | return 0; | |
f8eba3c6 | 4354 | } |
39b856a4 TT |
4355 | } |
4356 | ||
41c1efc6 | 4357 | /* Callback for std::sort that sorts symbols by priority. */ |
39b856a4 | 4358 | |
41c1efc6 TT |
4359 | static bool |
4360 | compare_msyms (const bound_minimal_symbol &a, const bound_minimal_symbol &b) | |
39b856a4 | 4361 | { |
41c1efc6 TT |
4362 | enum minimal_symbol_type ta = MSYMBOL_TYPE (a.minsym); |
4363 | enum minimal_symbol_type tb = MSYMBOL_TYPE (b.minsym); | |
39b856a4 | 4364 | |
41c1efc6 | 4365 | return classify_mtype (ta) < classify_mtype (tb); |
39b856a4 TT |
4366 | } |
4367 | ||
41c1efc6 TT |
4368 | /* Helper for search_minsyms_for_name that adds the symbol to the |
4369 | result. */ | |
39b856a4 TT |
4370 | |
4371 | static void | |
41c1efc6 TT |
4372 | add_minsym (struct minimal_symbol *minsym, struct objfile *objfile, |
4373 | struct symtab *symtab, int list_mode, | |
4374 | std::vector<struct bound_minimal_symbol> *msyms) | |
39b856a4 | 4375 | { |
41c1efc6 | 4376 | if (symtab != NULL) |
87186c6a | 4377 | { |
4024cf2b PA |
4378 | /* We're looking for a label for which we don't have debug |
4379 | info. */ | |
4380 | CORE_ADDR func_addr; | |
41c1efc6 | 4381 | if (msymbol_is_function (objfile, minsym, &func_addr)) |
4024cf2b PA |
4382 | { |
4383 | symtab_and_line sal = find_pc_sect_line (func_addr, NULL, 0); | |
87186c6a | 4384 | |
41c1efc6 | 4385 | if (symtab != sal.symtab) |
4024cf2b PA |
4386 | return; |
4387 | } | |
87186c6a MMN |
4388 | } |
4389 | ||
4024cf2b | 4390 | /* Exclude data symbols when looking for breakpoint locations. */ |
41c1efc6 | 4391 | if (!list_mode && !msymbol_is_function (objfile, minsym)) |
4024cf2b | 4392 | return; |
095bcf5e | 4393 | |
41c1efc6 TT |
4394 | struct bound_minimal_symbol mo = {minsym, objfile}; |
4395 | msyms->push_back (mo); | |
ca31ab1d | 4396 | return; |
f8eba3c6 TT |
4397 | } |
4398 | ||
87186c6a | 4399 | /* Search for minimal symbols called NAME. If SEARCH_PSPACE |
f8eba3c6 | 4400 | is not NULL, the search is restricted to just that program |
87186c6a MMN |
4401 | space. |
4402 | ||
4403 | If SYMTAB is NULL, search all objfiles, otherwise | |
4404 | restrict results to the given SYMTAB. */ | |
f8eba3c6 TT |
4405 | |
4406 | static void | |
b5ec771e PA |
4407 | search_minsyms_for_name (struct collect_info *info, |
4408 | const lookup_name_info &name, | |
87186c6a MMN |
4409 | struct program_space *search_pspace, |
4410 | struct symtab *symtab) | |
f8eba3c6 | 4411 | { |
41c1efc6 | 4412 | std::vector<struct bound_minimal_symbol> minsyms; |
f8eba3c6 | 4413 | |
87186c6a MMN |
4414 | if (symtab == NULL) |
4415 | { | |
4416 | struct program_space *pspace; | |
f8eba3c6 | 4417 | |
87186c6a MMN |
4418 | ALL_PSPACES (pspace) |
4419 | { | |
4420 | struct objfile *objfile; | |
39b856a4 | 4421 | |
87186c6a MMN |
4422 | if (search_pspace != NULL && search_pspace != pspace) |
4423 | continue; | |
4424 | if (pspace->executing_startup) | |
4425 | continue; | |
39b856a4 | 4426 | |
87186c6a MMN |
4427 | set_current_program_space (pspace); |
4428 | ||
4429 | ALL_OBJFILES (objfile) | |
4430 | { | |
41c1efc6 TT |
4431 | iterate_over_minimal_symbols (objfile, name, |
4432 | [&] (struct minimal_symbol *msym) | |
4433 | { | |
4434 | add_minsym (msym, objfile, nullptr, | |
4435 | info->state->list_mode, | |
4436 | &minsyms); | |
ca31ab1d | 4437 | return false; |
41c1efc6 | 4438 | }); |
87186c6a MMN |
4439 | } |
4440 | } | |
4441 | } | |
4442 | else | |
f8eba3c6 | 4443 | { |
87186c6a MMN |
4444 | if (search_pspace == NULL || SYMTAB_PSPACE (symtab) == search_pspace) |
4445 | { | |
4446 | set_current_program_space (SYMTAB_PSPACE (symtab)); | |
41c1efc6 TT |
4447 | iterate_over_minimal_symbols |
4448 | (SYMTAB_OBJFILE (symtab), name, | |
4449 | [&] (struct minimal_symbol *msym) | |
4450 | { | |
4451 | add_minsym (msym, SYMTAB_OBJFILE (symtab), symtab, | |
4452 | info->state->list_mode, &minsyms); | |
ca31ab1d | 4453 | return false; |
41c1efc6 | 4454 | }); |
87186c6a | 4455 | } |
9ef07c8c | 4456 | } |
39b856a4 | 4457 | |
41c1efc6 TT |
4458 | if (!minsyms.empty ()) |
4459 | { | |
4460 | int classification; | |
39b856a4 | 4461 | |
41c1efc6 | 4462 | std::sort (minsyms.begin (), minsyms.end (), compare_msyms); |
39b856a4 | 4463 | |
41c1efc6 TT |
4464 | /* Now the minsyms are in classification order. So, we walk |
4465 | over them and process just the minsyms with the same | |
4466 | classification as the very first minsym in the list. */ | |
4467 | classification = classify_mtype (MSYMBOL_TYPE (minsyms[0].minsym)); | |
4468 | ||
52941706 | 4469 | for (const bound_minimal_symbol &item : minsyms) |
41c1efc6 TT |
4470 | { |
4471 | if (classify_mtype (MSYMBOL_TYPE (item.minsym)) != classification) | |
4472 | break; | |
4473 | ||
4474 | VEC_safe_push (bound_minimal_symbol_d, | |
4475 | info->result.minimal_symbols, &item); | |
4476 | } | |
4477 | } | |
f8eba3c6 TT |
4478 | } |
4479 | ||
4480 | /* A helper function to add all symbols matching NAME to INFO. If | |
4481 | PSPACE is not NULL, the search is restricted to just that program | |
4482 | space. */ | |
0f5238ed | 4483 | |
f8eba3c6 TT |
4484 | static void |
4485 | add_matching_symbols_to_info (const char *name, | |
b5ec771e | 4486 | symbol_name_match_type name_match_type, |
56d87ef7 | 4487 | enum search_domain search_domain, |
f8eba3c6 TT |
4488 | struct collect_info *info, |
4489 | struct program_space *pspace) | |
4490 | { | |
4491 | int ix; | |
4492 | struct symtab *elt; | |
0f5238ed | 4493 | |
b5ec771e PA |
4494 | lookup_name_info lookup_name (name, name_match_type); |
4495 | ||
ec94af83 | 4496 | for (ix = 0; VEC_iterate (symtab_ptr, info->file_symtabs, ix, elt); ++ix) |
f8eba3c6 | 4497 | { |
f8eba3c6 TT |
4498 | if (elt == NULL) |
4499 | { | |
b5ec771e | 4500 | iterate_over_all_matching_symtabs (info->state, lookup_name, |
56d87ef7 | 4501 | VAR_DOMAIN, search_domain, |
14bc53a8 PA |
4502 | pspace, true, [&] (symbol *sym) |
4503 | { return info->add_symbol (sym); }); | |
b5ec771e | 4504 | search_minsyms_for_name (info, lookup_name, pspace, NULL); |
f8eba3c6 TT |
4505 | } |
4506 | else if (pspace == NULL || pspace == SYMTAB_PSPACE (elt)) | |
4507 | { | |
87186c6a MMN |
4508 | int prev_len = VEC_length (symbolp, info->result.symbols); |
4509 | ||
f8eba3c6 TT |
4510 | /* Program spaces that are executing startup should have |
4511 | been filtered out earlier. */ | |
4512 | gdb_assert (!SYMTAB_PSPACE (elt)->executing_startup); | |
4513 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
b5ec771e PA |
4514 | iterate_over_file_blocks (elt, lookup_name, VAR_DOMAIN, |
4515 | [&] (symbol *sym) | |
14bc53a8 | 4516 | { return info->add_symbol (sym); }); |
87186c6a MMN |
4517 | |
4518 | /* If no new symbols were found in this iteration and this symtab | |
4519 | is in assembler, we might actually be looking for a label for | |
4520 | which we don't have debug info. Check for a minimal symbol in | |
4521 | this case. */ | |
4522 | if (prev_len == VEC_length (symbolp, info->result.symbols) | |
4523 | && elt->language == language_asm) | |
b5ec771e | 4524 | search_minsyms_for_name (info, lookup_name, pspace, elt); |
f8eba3c6 TT |
4525 | } |
4526 | } | |
0f5238ed TT |
4527 | } |
4528 | ||
14e91ac5 DC |
4529 | \f |
4530 | ||
413dad4d DC |
4531 | /* Now come some functions that are called from multiple places within |
4532 | decode_line_1. */ | |
4533 | ||
f8eba3c6 TT |
4534 | static int |
4535 | symbol_to_sal (struct symtab_and_line *result, | |
4536 | int funfirstline, struct symbol *sym) | |
413dad4d | 4537 | { |
413dad4d | 4538 | if (SYMBOL_CLASS (sym) == LOC_BLOCK) |
50641945 | 4539 | { |
f8eba3c6 TT |
4540 | *result = find_function_start_sal (sym, funfirstline); |
4541 | return 1; | |
50641945 | 4542 | } |
413dad4d DC |
4543 | else |
4544 | { | |
62853458 | 4545 | if (SYMBOL_CLASS (sym) == LOC_LABEL && SYMBOL_VALUE_ADDRESS (sym) != 0) |
413dad4d | 4546 | { |
51abb421 | 4547 | *result = {}; |
08be3fe3 | 4548 | result->symtab = symbol_symtab (sym); |
06871ae8 | 4549 | result->symbol = sym; |
f8eba3c6 TT |
4550 | result->line = SYMBOL_LINE (sym); |
4551 | result->pc = SYMBOL_VALUE_ADDRESS (sym); | |
08be3fe3 | 4552 | result->pspace = SYMTAB_PSPACE (result->symtab); |
f8eba3c6 TT |
4553 | result->explicit_pc = 1; |
4554 | return 1; | |
413dad4d | 4555 | } |
62853458 | 4556 | else if (funfirstline) |
dcf9f4ab | 4557 | { |
f8eba3c6 | 4558 | /* Nothing. */ |
dcf9f4ab | 4559 | } |
62853458 TT |
4560 | else if (SYMBOL_LINE (sym) != 0) |
4561 | { | |
4562 | /* We know its line number. */ | |
51abb421 | 4563 | *result = {}; |
08be3fe3 | 4564 | result->symtab = symbol_symtab (sym); |
06871ae8 | 4565 | result->symbol = sym; |
f8eba3c6 | 4566 | result->line = SYMBOL_LINE (sym); |
e5f25bc5 | 4567 | result->pc = SYMBOL_VALUE_ADDRESS (sym); |
08be3fe3 | 4568 | result->pspace = SYMTAB_PSPACE (result->symtab); |
f8eba3c6 | 4569 | return 1; |
62853458 | 4570 | } |
413dad4d | 4571 | } |
f8eba3c6 TT |
4572 | |
4573 | return 0; | |
413dad4d | 4574 | } |
50641945 | 4575 | |
16e802b9 | 4576 | linespec_result::~linespec_result () |
f8eba3c6 | 4577 | { |
6c5b2ebe PA |
4578 | for (linespec_sals &lsal : lsals) |
4579 | xfree (lsal.canonical); | |
7efd8fc2 | 4580 | } |
87f0e720 KS |
4581 | |
4582 | /* Return the quote characters permitted by the linespec parser. */ | |
4583 | ||
4584 | const char * | |
4585 | get_gdb_linespec_parser_quote_characters (void) | |
4586 | { | |
4587 | return linespec_quote_characters; | |
4588 | } |