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 | ||
2a908241 KS |
80 | /* Typedef for unique_ptrs of vectors of symtabs. */ |
81 | ||
82 | typedef std::unique_ptr<std::vector<symtab *>> symtab_vector_up; | |
83 | ||
f8eba3c6 TT |
84 | typedef struct symbol *symbolp; |
85 | DEF_VEC_P (symbolp); | |
86 | ||
f8eba3c6 TT |
87 | /* An address entry is used to ensure that any given location is only |
88 | added to the result a single time. It holds an address and the | |
89 | program space from which the address came. */ | |
90 | ||
91 | struct address_entry | |
92 | { | |
93 | struct program_space *pspace; | |
94 | CORE_ADDR addr; | |
95 | }; | |
96 | ||
f60e2d5c | 97 | typedef struct bound_minimal_symbol bound_minimal_symbol_d; |
40e084e1 | 98 | |
f60e2d5c | 99 | DEF_VEC_O (bound_minimal_symbol_d); |
40e084e1 | 100 | |
40e084e1 KS |
101 | /* A linespec. Elements of this structure are filled in by a parser |
102 | (either parse_linespec or some other function). The structure is | |
103 | then converted into SALs by convert_linespec_to_sals. */ | |
104 | ||
105 | struct linespec | |
106 | { | |
00e52e53 | 107 | /* An explicit location describing the SaLs. */ |
67994074 | 108 | struct explicit_location explicit_loc; |
40e084e1 KS |
109 | |
110 | /* The list of symtabs to search to which to limit the search. May not | |
00e52e53 KS |
111 | be NULL. If explicit.SOURCE_FILENAME is NULL (no user-specified |
112 | filename), FILE_SYMTABS should contain one single NULL member. This | |
113 | will cause the code to use the default symtab. */ | |
2a908241 | 114 | std::vector<symtab *> *file_symtabs; |
40e084e1 | 115 | |
40e084e1 KS |
116 | /* A list of matching function symbols and minimal symbols. Both lists |
117 | may be NULL if no matching symbols were found. */ | |
118 | VEC (symbolp) *function_symbols; | |
f60e2d5c | 119 | VEC (bound_minimal_symbol_d) *minimal_symbols; |
40e084e1 | 120 | |
40e084e1 KS |
121 | /* A structure of matching label symbols and the corresponding |
122 | function symbol in which the label was found. Both may be NULL | |
123 | or both must be non-NULL. */ | |
124 | struct | |
125 | { | |
126 | VEC (symbolp) *label_symbols; | |
127 | VEC (symbolp) *function_symbols; | |
128 | } labels; | |
40e084e1 KS |
129 | }; |
130 | typedef struct linespec *linespec_p; | |
131 | ||
33f448b1 JK |
132 | /* A canonical linespec represented as a symtab-related string. |
133 | ||
134 | Each entry represents the "SYMTAB:SUFFIX" linespec string. | |
135 | SYMTAB can be converted for example by symtab_to_fullname or | |
136 | symtab_to_filename_for_display as needed. */ | |
137 | ||
138 | struct linespec_canonical_name | |
139 | { | |
140 | /* Remaining text part of the linespec string. */ | |
141 | char *suffix; | |
142 | ||
143 | /* If NULL then SUFFIX is the whole linespec string. */ | |
144 | struct symtab *symtab; | |
145 | }; | |
146 | ||
f8eba3c6 TT |
147 | /* An instance of this is used to keep all state while linespec |
148 | operates. This instance is passed around as a 'this' pointer to | |
149 | the various implementation methods. */ | |
150 | ||
151 | struct linespec_state | |
152 | { | |
40e084e1 KS |
153 | /* The language in use during linespec processing. */ |
154 | const struct language_defn *language; | |
155 | ||
f8eba3c6 TT |
156 | /* The program space as seen when the module was entered. */ |
157 | struct program_space *program_space; | |
158 | ||
c2f4122d PA |
159 | /* If not NULL, the search is restricted to just this program |
160 | space. */ | |
161 | struct program_space *search_pspace; | |
162 | ||
f8eba3c6 TT |
163 | /* The default symtab to use, if no other symtab is specified. */ |
164 | struct symtab *default_symtab; | |
165 | ||
166 | /* The default line to use. */ | |
167 | int default_line; | |
168 | ||
f8eba3c6 TT |
169 | /* The 'funfirstline' value that was passed in to decode_line_1 or |
170 | decode_line_full. */ | |
171 | int funfirstline; | |
172 | ||
173 | /* Nonzero if we are running in 'list' mode; see decode_line_list. */ | |
174 | int list_mode; | |
175 | ||
176 | /* The 'canonical' value passed to decode_line_full, or NULL. */ | |
177 | struct linespec_result *canonical; | |
178 | ||
6c5b2ebe | 179 | /* Canonical strings that mirror the std::vector<symtab_and_line> result. */ |
33f448b1 | 180 | struct linespec_canonical_name *canonical_names; |
f8eba3c6 TT |
181 | |
182 | /* This is a set of address_entry objects which is used to prevent | |
183 | duplicate symbols from being entered into the result. */ | |
184 | htab_t addr_set; | |
00e52e53 KS |
185 | |
186 | /* Are we building a linespec? */ | |
187 | int is_linespec; | |
f8eba3c6 TT |
188 | }; |
189 | ||
190 | /* This is a helper object that is used when collecting symbols into a | |
191 | result. */ | |
192 | ||
193 | struct collect_info | |
194 | { | |
195 | /* The linespec object in use. */ | |
196 | struct linespec_state *state; | |
197 | ||
40e084e1 | 198 | /* A list of symtabs to which to restrict matches. */ |
2a908241 | 199 | std::vector<symtab *> *file_symtabs; |
40e084e1 | 200 | |
f8eba3c6 | 201 | /* The result being accumulated. */ |
40e084e1 KS |
202 | struct |
203 | { | |
204 | VEC (symbolp) *symbols; | |
f60e2d5c | 205 | VEC (bound_minimal_symbol_d) *minimal_symbols; |
40e084e1 | 206 | } result; |
14bc53a8 PA |
207 | |
208 | /* Possibly add a symbol to the results. */ | |
209 | bool add_symbol (symbol *sym); | |
f8eba3c6 | 210 | }; |
50641945 | 211 | |
14bc53a8 PA |
212 | bool |
213 | collect_info::add_symbol (symbol *sym) | |
214 | { | |
215 | /* In list mode, add all matching symbols, regardless of class. | |
216 | This allows the user to type "list a_global_variable". */ | |
217 | if (SYMBOL_CLASS (sym) == LOC_BLOCK || this->state->list_mode) | |
218 | VEC_safe_push (symbolp, this->result.symbols, sym); | |
219 | ||
220 | /* Continue iterating. */ | |
221 | return true; | |
222 | } | |
223 | ||
40e084e1 | 224 | /* Token types */ |
50641945 | 225 | |
40e084e1 KS |
226 | enum ls_token_type |
227 | { | |
228 | /* A keyword */ | |
229 | LSTOKEN_KEYWORD = 0, | |
44fe14ab | 230 | |
40e084e1 KS |
231 | /* A colon "separator" */ |
232 | LSTOKEN_COLON, | |
44fe14ab | 233 | |
40e084e1 KS |
234 | /* A string */ |
235 | LSTOKEN_STRING, | |
0960f083 | 236 | |
40e084e1 KS |
237 | /* A number */ |
238 | LSTOKEN_NUMBER, | |
239 | ||
240 | /* A comma */ | |
241 | LSTOKEN_COMMA, | |
242 | ||
243 | /* EOI (end of input) */ | |
244 | LSTOKEN_EOI, | |
245 | ||
246 | /* Consumed token */ | |
247 | LSTOKEN_CONSUMED | |
248 | }; | |
249 | typedef enum ls_token_type linespec_token_type; | |
250 | ||
c6756f62 PA |
251 | /* List of keywords. This is NULL-terminated so that it can be used |
252 | as enum completer. */ | |
253 | const char * const linespec_keywords[] = { "if", "thread", "task", NULL }; | |
0578b14e | 254 | #define IF_KEYWORD_INDEX 0 |
40e084e1 KS |
255 | |
256 | /* A token of the linespec lexer */ | |
257 | ||
258 | struct ls_token | |
259 | { | |
260 | /* The type of the token */ | |
261 | linespec_token_type type; | |
262 | ||
263 | /* Data for the token */ | |
264 | union | |
265 | { | |
266 | /* A string, given as a stoken */ | |
267 | struct stoken string; | |
268 | ||
269 | /* A keyword */ | |
270 | const char *keyword; | |
271 | } data; | |
272 | }; | |
273 | typedef struct ls_token linespec_token; | |
274 | ||
275 | #define LS_TOKEN_STOKEN(TOK) (TOK).data.string | |
276 | #define LS_TOKEN_KEYWORD(TOK) (TOK).data.keyword | |
277 | ||
278 | /* An instance of the linespec parser. */ | |
279 | ||
280 | struct ls_parser | |
281 | { | |
282 | /* Lexer internal data */ | |
283 | struct | |
284 | { | |
285 | /* Save head of input stream. */ | |
d7561cbb | 286 | const char *saved_arg; |
d2630e69 | 287 | |
40e084e1 | 288 | /* Head of the input stream. */ |
f00aae0f KS |
289 | const char *stream; |
290 | #define PARSER_STREAM(P) ((P)->lexer.stream) | |
614b3b14 | 291 | |
40e084e1 KS |
292 | /* The current token. */ |
293 | linespec_token current; | |
294 | } lexer; | |
93d91629 | 295 | |
40e084e1 KS |
296 | /* Is the entire linespec quote-enclosed? */ |
297 | int is_quote_enclosed; | |
298 | ||
299 | /* The state of the parse. */ | |
300 | struct linespec_state state; | |
301 | #define PARSER_STATE(PPTR) (&(PPTR)->state) | |
4224873a | 302 | |
40e084e1 KS |
303 | /* The result of the parse. */ |
304 | struct linespec result; | |
305 | #define PARSER_RESULT(PPTR) (&(PPTR)->result) | |
c45ec17c PA |
306 | |
307 | /* What the parser believes the current word point should complete | |
308 | to. */ | |
309 | linespec_complete_what complete_what; | |
310 | ||
311 | /* The completion word point. The parser advances this as it skips | |
312 | tokens. At some point the input string will end or parsing will | |
313 | fail, and then we attempt completion at the captured completion | |
314 | word point, interpreting the string at completion_word as | |
315 | COMPLETE_WHAT. */ | |
316 | const char *completion_word; | |
317 | ||
318 | /* If the current token was a quoted string, then this is the | |
319 | quoting character (either " or '). */ | |
320 | int completion_quote_char; | |
321 | ||
322 | /* If the current token was a quoted string, then this points at the | |
323 | end of the quoted string. */ | |
324 | const char *completion_quote_end; | |
325 | ||
326 | /* If parsing for completion, then this points at the completion | |
327 | tracker. Otherwise, this is NULL. */ | |
328 | struct completion_tracker *completion_tracker; | |
40e084e1 KS |
329 | }; |
330 | typedef struct ls_parser linespec_parser; | |
50641945 | 331 | |
00e52e53 KS |
332 | /* A convenience macro for accessing the explicit location result of |
333 | the parser. */ | |
67994074 | 334 | #define PARSER_EXPLICIT(PPTR) (&PARSER_RESULT ((PPTR))->explicit_loc) |
00e52e53 | 335 | |
40e084e1 | 336 | /* Prototypes for local functions. */ |
50641945 | 337 | |
14bc53a8 | 338 | static void iterate_over_file_blocks |
b5ec771e PA |
339 | (struct symtab *symtab, const lookup_name_info &name, |
340 | domain_enum domain, | |
14bc53a8 | 341 | gdb::function_view<symbol_found_callback_ftype> callback); |
4eeaa230 | 342 | |
40e084e1 KS |
343 | static void initialize_defaults (struct symtab **default_symtab, |
344 | int *default_line); | |
50641945 | 345 | |
a06efdd6 | 346 | CORE_ADDR linespec_expression_to_pc (const char **exp_ptr); |
aee8d8ba | 347 | |
6c5b2ebe PA |
348 | static std::vector<symtab_and_line> decode_objc (struct linespec_state *self, |
349 | linespec_p ls, | |
350 | const char *arg); | |
aee8d8ba | 351 | |
2a908241 KS |
352 | static symtab_vector_up symtabs_from_filename |
353 | (const char *, struct program_space *pspace); | |
50641945 | 354 | |
40e084e1 KS |
355 | static VEC (symbolp) *find_label_symbols (struct linespec_state *self, |
356 | VEC (symbolp) *function_symbols, | |
357 | VEC (symbolp) **label_funcs_ret, | |
a2459270 PA |
358 | const char *name, |
359 | bool completion_mode = false); | |
50641945 | 360 | |
b1ae631a | 361 | static void find_linespec_symbols (struct linespec_state *self, |
2a908241 | 362 | std::vector<symtab *> *file_symtabs, |
b1ae631a | 363 | const char *name, |
a20714ff | 364 | symbol_name_match_type name_match_type, |
b1ae631a | 365 | VEC (symbolp) **symbols, |
f60e2d5c | 366 | VEC (bound_minimal_symbol_d) **minsyms); |
f8eba3c6 | 367 | |
40e084e1 KS |
368 | static struct line_offset |
369 | linespec_parse_variable (struct linespec_state *self, | |
370 | const char *variable); | |
889f28e2 | 371 | |
f8eba3c6 TT |
372 | static int symbol_to_sal (struct symtab_and_line *result, |
373 | int funfirstline, struct symbol *sym); | |
50641945 | 374 | |
f8eba3c6 | 375 | static void add_matching_symbols_to_info (const char *name, |
b5ec771e | 376 | symbol_name_match_type name_match_type, |
56d87ef7 | 377 | enum search_domain search_domain, |
f8eba3c6 TT |
378 | struct collect_info *info, |
379 | struct program_space *pspace); | |
f3c39e76 | 380 | |
9b2f8581 TT |
381 | static void add_all_symbol_names_from_pspace |
382 | (struct collect_info *info, struct program_space *pspace, | |
383 | const std::vector<const char *> &names, enum search_domain search_domain); | |
9ef07c8c | 384 | |
2a908241 | 385 | static symtab_vector_up |
c2f4122d PA |
386 | collect_symtabs_from_filename (const char *file, |
387 | struct program_space *pspace); | |
84fba31b | 388 | |
6c5b2ebe PA |
389 | static std::vector<symtab_and_line> decode_digits_ordinary |
390 | (struct linespec_state *self, | |
391 | linespec_p ls, | |
392 | int line, | |
393 | linetable_entry **best_entry); | |
14e91ac5 | 394 | |
6c5b2ebe PA |
395 | static std::vector<symtab_and_line> decode_digits_list_mode |
396 | (struct linespec_state *self, | |
397 | linespec_p ls, | |
398 | struct symtab_and_line val); | |
0f5238ed | 399 | |
40e084e1 KS |
400 | static void minsym_found (struct linespec_state *self, struct objfile *objfile, |
401 | struct minimal_symbol *msymbol, | |
6c5b2ebe | 402 | std::vector<symtab_and_line> *result); |
bca02a8a | 403 | |
40e084e1 | 404 | static int compare_symbols (const void *a, const void *b); |
413dad4d | 405 | |
40e084e1 | 406 | static int compare_msymbols (const void *a, const void *b); |
413dad4d | 407 | |
40e084e1 KS |
408 | /* Permitted quote characters for the parser. This is different from the |
409 | completer's quote characters to allow backward compatibility with the | |
410 | previous parser. */ | |
411 | static const char *const linespec_quote_characters = "\"\'"; | |
f8eba3c6 | 412 | |
40e084e1 KS |
413 | /* Lexer functions. */ |
414 | ||
415 | /* Lex a number from the input in PARSER. This only supports | |
dd3818c8 KS |
416 | decimal numbers. |
417 | ||
d7cbec71 | 418 | Return true if input is decimal numbers. Return false if not. */ |
40e084e1 | 419 | |
d7cbec71 HZ |
420 | static int |
421 | linespec_lexer_lex_number (linespec_parser *parser, linespec_token *tokenp) | |
40e084e1 | 422 | { |
d7cbec71 HZ |
423 | tokenp->type = LSTOKEN_NUMBER; |
424 | LS_TOKEN_STOKEN (*tokenp).length = 0; | |
425 | LS_TOKEN_STOKEN (*tokenp).ptr = PARSER_STREAM (parser); | |
40e084e1 KS |
426 | |
427 | /* Keep any sign at the start of the stream. */ | |
428 | if (*PARSER_STREAM (parser) == '+' || *PARSER_STREAM (parser) == '-') | |
429 | { | |
d7cbec71 | 430 | ++LS_TOKEN_STOKEN (*tokenp).length; |
40e084e1 KS |
431 | ++(PARSER_STREAM (parser)); |
432 | } | |
433 | ||
434 | while (isdigit (*PARSER_STREAM (parser))) | |
435 | { | |
d7cbec71 | 436 | ++LS_TOKEN_STOKEN (*tokenp).length; |
40e084e1 | 437 | ++(PARSER_STREAM (parser)); |
f8eba3c6 | 438 | } |
40e084e1 | 439 | |
dd3818c8 | 440 | /* If the next character in the input buffer is not a space, comma, |
eff9c3e6 | 441 | quote, or colon, this input does not represent a number. */ |
dd3818c8 KS |
442 | if (*PARSER_STREAM (parser) != '\0' |
443 | && !isspace (*PARSER_STREAM (parser)) && *PARSER_STREAM (parser) != ',' | |
eff9c3e6 KS |
444 | && *PARSER_STREAM (parser) != ':' |
445 | && !strchr (linespec_quote_characters, *PARSER_STREAM (parser))) | |
d7cbec71 HZ |
446 | { |
447 | PARSER_STREAM (parser) = LS_TOKEN_STOKEN (*tokenp).ptr; | |
448 | return 0; | |
449 | } | |
450 | ||
451 | return 1; | |
f8eba3c6 TT |
452 | } |
453 | ||
32b40af9 | 454 | /* See linespec.h. */ |
f8eba3c6 | 455 | |
0578b14e | 456 | const char * |
40e084e1 | 457 | linespec_lexer_lex_keyword (const char *p) |
f8eba3c6 | 458 | { |
40e084e1 | 459 | int i; |
f8eba3c6 | 460 | |
40e084e1 KS |
461 | if (p != NULL) |
462 | { | |
c6756f62 | 463 | for (i = 0; linespec_keywords[i] != NULL; ++i) |
40e084e1 KS |
464 | { |
465 | int len = strlen (linespec_keywords[i]); | |
466 | ||
467 | /* If P begins with one of the keywords and the next | |
0578b14e KS |
468 | character is whitespace, we may have found a keyword. |
469 | It is only a keyword if it is not followed by another | |
470 | keyword. */ | |
40e084e1 | 471 | if (strncmp (p, linespec_keywords[i], len) == 0 |
0578b14e KS |
472 | && isspace (p[len])) |
473 | { | |
474 | int j; | |
475 | ||
476 | /* Special case: "if" ALWAYS stops the lexer, since it | |
477 | is not possible to predict what is going to appear in | |
478 | the condition, which can only be parsed after SaLs have | |
479 | been found. */ | |
480 | if (i != IF_KEYWORD_INDEX) | |
481 | { | |
482 | p += len; | |
f1735a53 | 483 | p = skip_spaces (p); |
c6756f62 | 484 | for (j = 0; linespec_keywords[j] != NULL; ++j) |
0578b14e KS |
485 | { |
486 | int nextlen = strlen (linespec_keywords[j]); | |
487 | ||
488 | if (strncmp (p, linespec_keywords[j], nextlen) == 0 | |
489 | && isspace (p[nextlen])) | |
490 | return NULL; | |
491 | } | |
492 | } | |
493 | ||
494 | return linespec_keywords[i]; | |
495 | } | |
40e084e1 KS |
496 | } |
497 | } | |
498 | ||
499 | return NULL; | |
f8eba3c6 TT |
500 | } |
501 | ||
87f0e720 | 502 | /* See description in linespec.h. */ |
f8eba3c6 | 503 | |
87f0e720 | 504 | int |
40e084e1 | 505 | is_ada_operator (const char *string) |
f8eba3c6 | 506 | { |
40e084e1 | 507 | const struct ada_opname_map *mapping; |
f8eba3c6 | 508 | |
40e084e1 KS |
509 | for (mapping = ada_opname_table; |
510 | mapping->encoded != NULL | |
61012eef | 511 | && !startswith (string, mapping->decoded); ++mapping) |
40e084e1 KS |
512 | ; |
513 | ||
514 | return mapping->decoded == NULL ? 0 : strlen (mapping->decoded); | |
f8eba3c6 TT |
515 | } |
516 | ||
40e084e1 KS |
517 | /* Find QUOTE_CHAR in STRING, accounting for the ':' terminal. Return |
518 | the location of QUOTE_CHAR, or NULL if not found. */ | |
f8eba3c6 | 519 | |
40e084e1 KS |
520 | static const char * |
521 | skip_quote_char (const char *string, char quote_char) | |
f8eba3c6 | 522 | { |
40e084e1 | 523 | const char *p, *last; |
f8eba3c6 | 524 | |
40e084e1 KS |
525 | p = last = find_toplevel_char (string, quote_char); |
526 | while (p && *p != '\0' && *p != ':') | |
527 | { | |
528 | p = find_toplevel_char (p, quote_char); | |
529 | if (p != NULL) | |
530 | last = p++; | |
531 | } | |
f8eba3c6 | 532 | |
40e084e1 | 533 | return last; |
f8eba3c6 | 534 | } |
50641945 | 535 | |
40e084e1 KS |
536 | /* Make a writable copy of the string given in TOKEN, trimming |
537 | any trailing whitespace. */ | |
50641945 | 538 | |
a5b5adf5 | 539 | static gdb::unique_xmalloc_ptr<char> |
40e084e1 | 540 | copy_token_string (linespec_token token) |
50641945 | 541 | { |
a5b5adf5 | 542 | const char *str, *s; |
e0881a8e | 543 | |
40e084e1 | 544 | if (token.type == LSTOKEN_KEYWORD) |
a5b5adf5 | 545 | return gdb::unique_xmalloc_ptr<char> (xstrdup (LS_TOKEN_KEYWORD (token))); |
255e7dbf | 546 | |
a5b5adf5 | 547 | str = LS_TOKEN_STOKEN (token).ptr; |
40e084e1 | 548 | s = remove_trailing_whitespace (str, str + LS_TOKEN_STOKEN (token).length); |
e0881a8e | 549 | |
a5b5adf5 | 550 | return gdb::unique_xmalloc_ptr<char> (savestring (str, s - str)); |
40e084e1 | 551 | } |
255e7dbf | 552 | |
40e084e1 | 553 | /* Does P represent the end of a quote-enclosed linespec? */ |
f3a5f1de | 554 | |
40e084e1 KS |
555 | static int |
556 | is_closing_quote_enclosed (const char *p) | |
557 | { | |
558 | if (strchr (linespec_quote_characters, *p)) | |
559 | ++p; | |
560 | p = skip_spaces ((char *) p); | |
561 | return (*p == '\0' || linespec_lexer_lex_keyword (p)); | |
50641945 FN |
562 | } |
563 | ||
40e084e1 KS |
564 | /* Find the end of the parameter list that starts with *INPUT. |
565 | This helper function assists with lexing string segments | |
566 | which might contain valid (non-terminating) commas. */ | |
481860b3 | 567 | |
d7561cbb KS |
568 | static const char * |
569 | find_parameter_list_end (const char *input) | |
481860b3 | 570 | { |
40e084e1 KS |
571 | char end_char, start_char; |
572 | int depth; | |
d7561cbb | 573 | const char *p; |
481860b3 | 574 | |
40e084e1 KS |
575 | start_char = *input; |
576 | if (start_char == '(') | |
577 | end_char = ')'; | |
578 | else if (start_char == '<') | |
579 | end_char = '>'; | |
580 | else | |
581 | return NULL; | |
481860b3 | 582 | |
40e084e1 KS |
583 | p = input; |
584 | depth = 0; | |
585 | while (*p) | |
481860b3 | 586 | { |
40e084e1 KS |
587 | if (*p == start_char) |
588 | ++depth; | |
589 | else if (*p == end_char) | |
590 | { | |
591 | if (--depth == 0) | |
592 | { | |
593 | ++p; | |
594 | break; | |
595 | } | |
596 | } | |
597 | ++p; | |
481860b3 | 598 | } |
40e084e1 KS |
599 | |
600 | return p; | |
481860b3 GB |
601 | } |
602 | ||
c45ec17c PA |
603 | /* If the [STRING, STRING_LEN) string ends with what looks like a |
604 | keyword, return the keyword start offset in STRING. Return -1 | |
605 | otherwise. */ | |
606 | ||
607 | static size_t | |
608 | string_find_incomplete_keyword_at_end (const char * const *keywords, | |
609 | const char *string, size_t string_len) | |
610 | { | |
611 | const char *end = string + string_len; | |
612 | const char *p = end; | |
613 | ||
614 | while (p > string && *p != ' ') | |
615 | --p; | |
616 | if (p > string) | |
617 | { | |
618 | p++; | |
619 | size_t len = end - p; | |
620 | for (size_t i = 0; keywords[i] != NULL; ++i) | |
621 | if (strncmp (keywords[i], p, len) == 0) | |
622 | return p - string; | |
623 | } | |
624 | ||
625 | return -1; | |
626 | } | |
74ccd7f5 | 627 | |
40e084e1 KS |
628 | /* Lex a string from the input in PARSER. */ |
629 | ||
630 | static linespec_token | |
631 | linespec_lexer_lex_string (linespec_parser *parser) | |
74ccd7f5 | 632 | { |
40e084e1 | 633 | linespec_token token; |
d7561cbb | 634 | const char *start = PARSER_STREAM (parser); |
74ccd7f5 | 635 | |
40e084e1 | 636 | token.type = LSTOKEN_STRING; |
74ccd7f5 | 637 | |
40e084e1 KS |
638 | /* If the input stream starts with a quote character, skip to the next |
639 | quote character, regardless of the content. */ | |
640 | if (strchr (linespec_quote_characters, *PARSER_STREAM (parser))) | |
641 | { | |
642 | const char *end; | |
643 | char quote_char = *PARSER_STREAM (parser); | |
50641945 | 644 | |
40e084e1 KS |
645 | /* Special case: Ada operators. */ |
646 | if (PARSER_STATE (parser)->language->la_language == language_ada | |
647 | && quote_char == '\"') | |
648 | { | |
649 | int len = is_ada_operator (PARSER_STREAM (parser)); | |
50641945 | 650 | |
40e084e1 KS |
651 | if (len != 0) |
652 | { | |
653 | /* The input is an Ada operator. Return the quoted string | |
654 | as-is. */ | |
655 | LS_TOKEN_STOKEN (token).ptr = PARSER_STREAM (parser); | |
656 | LS_TOKEN_STOKEN (token).length = len; | |
657 | PARSER_STREAM (parser) += len; | |
658 | return token; | |
659 | } | |
f8eba3c6 | 660 | |
40e084e1 KS |
661 | /* The input does not represent an Ada operator -- fall through |
662 | to normal quoted string handling. */ | |
663 | } | |
f8eba3c6 | 664 | |
40e084e1 KS |
665 | /* Skip past the beginning quote. */ |
666 | ++(PARSER_STREAM (parser)); | |
74ccd7f5 | 667 | |
40e084e1 KS |
668 | /* Mark the start of the string. */ |
669 | LS_TOKEN_STOKEN (token).ptr = PARSER_STREAM (parser); | |
f8eba3c6 | 670 | |
40e084e1 KS |
671 | /* Skip to the ending quote. */ |
672 | end = skip_quote_char (PARSER_STREAM (parser), quote_char); | |
673 | ||
c45ec17c PA |
674 | /* This helps the completer mode decide whether we have a |
675 | complete string. */ | |
676 | parser->completion_quote_char = quote_char; | |
677 | parser->completion_quote_end = end; | |
40e084e1 | 678 | |
c45ec17c PA |
679 | /* Error if the input did not terminate properly, unless in |
680 | completion mode. */ | |
681 | if (end == NULL) | |
682 | { | |
683 | if (parser->completion_tracker == NULL) | |
684 | error (_("unmatched quote")); | |
685 | ||
686 | /* In completion mode, we'll try to complete the incomplete | |
687 | token. */ | |
688 | token.type = LSTOKEN_STRING; | |
689 | while (*PARSER_STREAM (parser) != '\0') | |
690 | PARSER_STREAM (parser)++; | |
691 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 1 - start; | |
692 | } | |
693 | else | |
694 | { | |
695 | /* Skip over the ending quote and mark the length of the string. */ | |
696 | PARSER_STREAM (parser) = (char *) ++end; | |
697 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 2 - start; | |
698 | } | |
40e084e1 KS |
699 | } |
700 | else | |
701 | { | |
d7561cbb | 702 | const char *p; |
40e084e1 KS |
703 | |
704 | /* Otherwise, only identifier characters are permitted. | |
705 | Spaces are the exception. In general, we keep spaces, | |
706 | but only if the next characters in the input do not resolve | |
707 | to one of the keywords. | |
708 | ||
709 | This allows users to forgo quoting CV-qualifiers, template arguments, | |
710 | and similar common language constructs. */ | |
711 | ||
712 | while (1) | |
713 | { | |
714 | if (isspace (*PARSER_STREAM (parser))) | |
715 | { | |
f1735a53 | 716 | p = skip_spaces (PARSER_STREAM (parser)); |
7c09e5a0 DE |
717 | /* When we get here we know we've found something followed by |
718 | a space (we skip over parens and templates below). | |
719 | So if we find a keyword now, we know it is a keyword and not, | |
720 | say, a function name. */ | |
40e084e1 KS |
721 | if (linespec_lexer_lex_keyword (p) != NULL) |
722 | { | |
723 | LS_TOKEN_STOKEN (token).ptr = start; | |
724 | LS_TOKEN_STOKEN (token).length | |
725 | = PARSER_STREAM (parser) - start; | |
726 | return token; | |
727 | } | |
728 | ||
729 | /* Advance past the whitespace. */ | |
730 | PARSER_STREAM (parser) = p; | |
731 | } | |
732 | ||
733 | /* If the next character is EOI or (single) ':', the | |
734 | string is complete; return the token. */ | |
735 | if (*PARSER_STREAM (parser) == 0) | |
736 | { | |
737 | LS_TOKEN_STOKEN (token).ptr = start; | |
738 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
739 | return token; | |
740 | } | |
741 | else if (PARSER_STREAM (parser)[0] == ':') | |
742 | { | |
743 | /* Do not tokenize the C++ scope operator. */ | |
744 | if (PARSER_STREAM (parser)[1] == ':') | |
745 | ++(PARSER_STREAM (parser)); | |
746 | ||
bd69330d PA |
747 | /* Do not tokenize ABI tags such as "[abi:cxx11]". */ |
748 | else if (PARSER_STREAM (parser) - start > 4 | |
749 | && startswith (PARSER_STREAM (parser) - 4, "[abi")) | |
750 | ++(PARSER_STREAM (parser)); | |
751 | ||
40e084e1 KS |
752 | /* Do not tokenify if the input length so far is one |
753 | (i.e, a single-letter drive name) and the next character | |
754 | is a directory separator. This allows Windows-style | |
755 | paths to be recognized as filenames without quoting it. */ | |
756 | else if ((PARSER_STREAM (parser) - start) != 1 | |
757 | || !IS_DIR_SEPARATOR (PARSER_STREAM (parser)[1])) | |
758 | { | |
759 | LS_TOKEN_STOKEN (token).ptr = start; | |
760 | LS_TOKEN_STOKEN (token).length | |
761 | = PARSER_STREAM (parser) - start; | |
762 | return token; | |
763 | } | |
764 | } | |
765 | /* Special case: permit quote-enclosed linespecs. */ | |
766 | else if (parser->is_quote_enclosed | |
767 | && strchr (linespec_quote_characters, | |
768 | *PARSER_STREAM (parser)) | |
769 | && is_closing_quote_enclosed (PARSER_STREAM (parser))) | |
770 | { | |
771 | LS_TOKEN_STOKEN (token).ptr = start; | |
772 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
773 | return token; | |
774 | } | |
775 | /* Because commas may terminate a linespec and appear in | |
776 | the middle of valid string input, special cases for | |
777 | '<' and '(' are necessary. */ | |
778 | else if (*PARSER_STREAM (parser) == '<' | |
779 | || *PARSER_STREAM (parser) == '(') | |
780 | { | |
be966d42 PA |
781 | /* Don't interpret 'operator<' / 'operator<<' as a |
782 | template parameter list though. */ | |
783 | if (*PARSER_STREAM (parser) == '<' | |
784 | && (PARSER_STATE (parser)->language->la_language | |
785 | == language_cplus) | |
786 | && (PARSER_STREAM (parser) - start) >= CP_OPERATOR_LEN) | |
787 | { | |
788 | const char *p = PARSER_STREAM (parser); | |
789 | ||
790 | while (p > start && isspace (p[-1])) | |
791 | p--; | |
792 | if (p - start >= CP_OPERATOR_LEN) | |
793 | { | |
794 | p -= CP_OPERATOR_LEN; | |
795 | if (strncmp (p, CP_OPERATOR_STR, CP_OPERATOR_LEN) == 0 | |
796 | && (p == start | |
797 | || !(isalnum (p[-1]) || p[-1] == '_'))) | |
798 | { | |
799 | /* This is an operator name. Keep going. */ | |
800 | ++(PARSER_STREAM (parser)); | |
801 | if (*PARSER_STREAM (parser) == '<') | |
802 | ++(PARSER_STREAM (parser)); | |
803 | continue; | |
804 | } | |
805 | } | |
806 | } | |
807 | ||
808 | const char *p = find_parameter_list_end (PARSER_STREAM (parser)); | |
809 | PARSER_STREAM (parser) = p; | |
40e084e1 | 810 | |
be966d42 PA |
811 | /* Don't loop around to the normal \0 case above because |
812 | we don't want to misinterpret a potential keyword at | |
813 | the end of the token when the string isn't | |
814 | "()<>"-balanced. This handles "b | |
815 | function(thread<tab>" in completion mode. */ | |
816 | if (*p == '\0') | |
40e084e1 | 817 | { |
be966d42 PA |
818 | LS_TOKEN_STOKEN (token).ptr = start; |
819 | LS_TOKEN_STOKEN (token).length | |
820 | = PARSER_STREAM (parser) - start; | |
821 | return token; | |
40e084e1 | 822 | } |
be966d42 PA |
823 | else |
824 | continue; | |
40e084e1 KS |
825 | } |
826 | /* Commas are terminators, but not if they are part of an | |
827 | operator name. */ | |
828 | else if (*PARSER_STREAM (parser) == ',') | |
829 | { | |
830 | if ((PARSER_STATE (parser)->language->la_language | |
831 | == language_cplus) | |
8090b426 | 832 | && (PARSER_STREAM (parser) - start) > CP_OPERATOR_LEN) |
40e084e1 | 833 | { |
8090b426 | 834 | const char *p = strstr (start, CP_OPERATOR_STR); |
40e084e1 KS |
835 | |
836 | if (p != NULL && is_operator_name (p)) | |
837 | { | |
838 | /* This is an operator name. Keep going. */ | |
839 | ++(PARSER_STREAM (parser)); | |
840 | continue; | |
841 | } | |
842 | } | |
843 | ||
844 | /* Comma terminates the string. */ | |
845 | LS_TOKEN_STOKEN (token).ptr = start; | |
846 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
847 | return token; | |
848 | } | |
849 | ||
850 | /* Advance the stream. */ | |
851 | ++(PARSER_STREAM (parser)); | |
852 | } | |
853 | } | |
854 | ||
855 | return token; | |
856 | } | |
857 | ||
858 | /* Lex a single linespec token from PARSER. */ | |
859 | ||
860 | static linespec_token | |
861 | linespec_lexer_lex_one (linespec_parser *parser) | |
862 | { | |
863 | const char *keyword; | |
864 | ||
865 | if (parser->lexer.current.type == LSTOKEN_CONSUMED) | |
866 | { | |
867 | /* Skip any whitespace. */ | |
f1735a53 | 868 | PARSER_STREAM (parser) = skip_spaces (PARSER_STREAM (parser)); |
40e084e1 | 869 | |
7c09e5a0 | 870 | /* Check for a keyword, they end the linespec. */ |
0578b14e | 871 | keyword = linespec_lexer_lex_keyword (PARSER_STREAM (parser)); |
40e084e1 KS |
872 | if (keyword != NULL) |
873 | { | |
874 | parser->lexer.current.type = LSTOKEN_KEYWORD; | |
875 | LS_TOKEN_KEYWORD (parser->lexer.current) = keyword; | |
0578b14e KS |
876 | /* We do not advance the stream here intentionally: |
877 | we would like lexing to stop when a keyword is seen. | |
878 | ||
879 | PARSER_STREAM (parser) += strlen (keyword); */ | |
880 | ||
40e084e1 KS |
881 | return parser->lexer.current; |
882 | } | |
883 | ||
884 | /* Handle other tokens. */ | |
885 | switch (*PARSER_STREAM (parser)) | |
886 | { | |
887 | case 0: | |
888 | parser->lexer.current.type = LSTOKEN_EOI; | |
889 | break; | |
890 | ||
891 | case '+': case '-': | |
892 | case '0': case '1': case '2': case '3': case '4': | |
893 | case '5': case '6': case '7': case '8': case '9': | |
d7cbec71 HZ |
894 | if (!linespec_lexer_lex_number (parser, &(parser->lexer.current))) |
895 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
40e084e1 KS |
896 | break; |
897 | ||
898 | case ':': | |
899 | /* If we have a scope operator, lex the input as a string. | |
900 | Otherwise, return LSTOKEN_COLON. */ | |
901 | if (PARSER_STREAM (parser)[1] == ':') | |
902 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
903 | else | |
904 | { | |
905 | parser->lexer.current.type = LSTOKEN_COLON; | |
906 | ++(PARSER_STREAM (parser)); | |
907 | } | |
908 | break; | |
909 | ||
910 | case '\'': case '\"': | |
911 | /* Special case: permit quote-enclosed linespecs. */ | |
912 | if (parser->is_quote_enclosed | |
913 | && is_closing_quote_enclosed (PARSER_STREAM (parser))) | |
914 | { | |
915 | ++(PARSER_STREAM (parser)); | |
916 | parser->lexer.current.type = LSTOKEN_EOI; | |
917 | } | |
918 | else | |
919 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
920 | break; | |
921 | ||
922 | case ',': | |
923 | parser->lexer.current.type = LSTOKEN_COMMA; | |
924 | LS_TOKEN_STOKEN (parser->lexer.current).ptr | |
925 | = PARSER_STREAM (parser); | |
926 | LS_TOKEN_STOKEN (parser->lexer.current).length = 1; | |
927 | ++(PARSER_STREAM (parser)); | |
928 | break; | |
929 | ||
930 | default: | |
931 | /* If the input is not a number, it must be a string. | |
932 | [Keywords were already considered above.] */ | |
933 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
934 | break; | |
935 | } | |
936 | } | |
937 | ||
938 | return parser->lexer.current; | |
939 | } | |
940 | ||
941 | /* Consume the current token and return the next token in PARSER's | |
c45ec17c PA |
942 | input stream. Also advance the completion word for completion |
943 | mode. */ | |
40e084e1 KS |
944 | |
945 | static linespec_token | |
946 | linespec_lexer_consume_token (linespec_parser *parser) | |
947 | { | |
c45ec17c PA |
948 | gdb_assert (parser->lexer.current.type != LSTOKEN_EOI); |
949 | ||
950 | bool advance_word = (parser->lexer.current.type != LSTOKEN_STRING | |
951 | || *PARSER_STREAM (parser) != '\0'); | |
952 | ||
953 | /* If we're moving past a string to some other token, it must be the | |
954 | quote was terminated. */ | |
955 | if (parser->completion_quote_char) | |
956 | { | |
957 | gdb_assert (parser->lexer.current.type == LSTOKEN_STRING); | |
958 | ||
959 | /* If the string was the last (non-EOI) token, we're past the | |
960 | quote, but remember that for later. */ | |
961 | if (*PARSER_STREAM (parser) != '\0') | |
962 | { | |
963 | parser->completion_quote_char = '\0'; | |
964 | parser->completion_quote_end = NULL;; | |
965 | } | |
966 | } | |
967 | ||
40e084e1 | 968 | parser->lexer.current.type = LSTOKEN_CONSUMED; |
c45ec17c PA |
969 | linespec_lexer_lex_one (parser); |
970 | ||
971 | if (parser->lexer.current.type == LSTOKEN_STRING) | |
972 | { | |
973 | /* Advance the completion word past a potential initial | |
974 | quote-char. */ | |
975 | parser->completion_word = LS_TOKEN_STOKEN (parser->lexer.current).ptr; | |
976 | } | |
977 | else if (advance_word) | |
978 | { | |
979 | /* Advance the completion word past any whitespace. */ | |
980 | parser->completion_word = PARSER_STREAM (parser); | |
981 | } | |
982 | ||
983 | return parser->lexer.current; | |
40e084e1 KS |
984 | } |
985 | ||
986 | /* Return the next token without consuming the current token. */ | |
987 | ||
988 | static linespec_token | |
989 | linespec_lexer_peek_token (linespec_parser *parser) | |
990 | { | |
991 | linespec_token next; | |
d7561cbb | 992 | const char *saved_stream = PARSER_STREAM (parser); |
40e084e1 | 993 | linespec_token saved_token = parser->lexer.current; |
c45ec17c PA |
994 | int saved_completion_quote_char = parser->completion_quote_char; |
995 | const char *saved_completion_quote_end = parser->completion_quote_end; | |
996 | const char *saved_completion_word = parser->completion_word; | |
40e084e1 KS |
997 | |
998 | next = linespec_lexer_consume_token (parser); | |
999 | PARSER_STREAM (parser) = saved_stream; | |
1000 | parser->lexer.current = saved_token; | |
c45ec17c PA |
1001 | parser->completion_quote_char = saved_completion_quote_char; |
1002 | parser->completion_quote_end = saved_completion_quote_end; | |
1003 | parser->completion_word = saved_completion_word; | |
40e084e1 KS |
1004 | return next; |
1005 | } | |
1006 | ||
1007 | /* Helper functions. */ | |
1008 | ||
40e084e1 KS |
1009 | /* Add SAL to SALS, and also update SELF->CANONICAL_NAMES to reflect |
1010 | the new sal, if needed. If not NULL, SYMNAME is the name of the | |
66f1999b KS |
1011 | symbol to use when constructing the new canonical name. |
1012 | ||
1013 | If LITERAL_CANONICAL is non-zero, SYMNAME will be used as the | |
1014 | canonical name for the SAL. */ | |
40e084e1 KS |
1015 | |
1016 | static void | |
1017 | add_sal_to_sals (struct linespec_state *self, | |
6c5b2ebe | 1018 | std::vector<symtab_and_line> *sals, |
40e084e1 | 1019 | struct symtab_and_line *sal, |
66f1999b | 1020 | const char *symname, int literal_canonical) |
40e084e1 | 1021 | { |
6c5b2ebe | 1022 | sals->push_back (*sal); |
40e084e1 KS |
1023 | |
1024 | if (self->canonical) | |
1025 | { | |
33f448b1 | 1026 | struct linespec_canonical_name *canonical; |
40e084e1 | 1027 | |
224c3ddb | 1028 | self->canonical_names = XRESIZEVEC (struct linespec_canonical_name, |
6c5b2ebe PA |
1029 | self->canonical_names, |
1030 | sals->size ()); | |
1031 | canonical = &self->canonical_names[sals->size () - 1]; | |
4e04028d | 1032 | if (!literal_canonical && sal->symtab) |
40e084e1 | 1033 | { |
df140a0b TS |
1034 | symtab_to_fullname (sal->symtab); |
1035 | ||
40e084e1 KS |
1036 | /* Note that the filter doesn't have to be a valid linespec |
1037 | input. We only apply the ":LINE" treatment to Ada for | |
1038 | the time being. */ | |
1039 | if (symname != NULL && sal->line != 0 | |
1040 | && self->language->la_language == language_ada) | |
33f448b1 | 1041 | canonical->suffix = xstrprintf ("%s:%d", symname, sal->line); |
40e084e1 | 1042 | else if (symname != NULL) |
33f448b1 | 1043 | canonical->suffix = xstrdup (symname); |
40e084e1 | 1044 | else |
33f448b1 JK |
1045 | canonical->suffix = xstrprintf ("%d", sal->line); |
1046 | canonical->symtab = sal->symtab; | |
1047 | } | |
1048 | else | |
1049 | { | |
1050 | if (symname != NULL) | |
1051 | canonical->suffix = xstrdup (symname); | |
1052 | else | |
e617b069 | 1053 | canonical->suffix = xstrdup ("<unknown>"); |
33f448b1 | 1054 | canonical->symtab = NULL; |
40e084e1 | 1055 | } |
40e084e1 KS |
1056 | } |
1057 | } | |
1058 | ||
1059 | /* A hash function for address_entry. */ | |
1060 | ||
1061 | static hashval_t | |
1062 | hash_address_entry (const void *p) | |
1063 | { | |
9a3c8263 | 1064 | const struct address_entry *aep = (const struct address_entry *) p; |
40e084e1 KS |
1065 | hashval_t hash; |
1066 | ||
1067 | hash = iterative_hash_object (aep->pspace, 0); | |
1068 | return iterative_hash_object (aep->addr, hash); | |
1069 | } | |
1070 | ||
1071 | /* An equality function for address_entry. */ | |
1072 | ||
1073 | static int | |
1074 | eq_address_entry (const void *a, const void *b) | |
1075 | { | |
9a3c8263 SM |
1076 | const struct address_entry *aea = (const struct address_entry *) a; |
1077 | const struct address_entry *aeb = (const struct address_entry *) b; | |
40e084e1 KS |
1078 | |
1079 | return aea->pspace == aeb->pspace && aea->addr == aeb->addr; | |
1080 | } | |
1081 | ||
1082 | /* Check whether the address, represented by PSPACE and ADDR, is | |
1083 | already in the set. If so, return 0. Otherwise, add it and return | |
1084 | 1. */ | |
1085 | ||
1086 | static int | |
1087 | maybe_add_address (htab_t set, struct program_space *pspace, CORE_ADDR addr) | |
1088 | { | |
1089 | struct address_entry e, *p; | |
1090 | void **slot; | |
1091 | ||
1092 | e.pspace = pspace; | |
1093 | e.addr = addr; | |
1094 | slot = htab_find_slot (set, &e, INSERT); | |
1095 | if (*slot) | |
1096 | return 0; | |
1097 | ||
1098 | p = XNEW (struct address_entry); | |
1099 | memcpy (p, &e, sizeof (struct address_entry)); | |
1100 | *slot = p; | |
1101 | ||
1102 | return 1; | |
1103 | } | |
1104 | ||
40e084e1 KS |
1105 | /* A helper that walks over all matching symtabs in all objfiles and |
1106 | calls CALLBACK for each symbol matching NAME. If SEARCH_PSPACE is | |
1107 | not NULL, then the search is restricted to just that program | |
14bc53a8 | 1108 | space. If INCLUDE_INLINE is true then symbols representing |
40e084e1 KS |
1109 | inlined instances of functions will be included in the result. */ |
1110 | ||
1111 | static void | |
14bc53a8 | 1112 | iterate_over_all_matching_symtabs |
b5ec771e PA |
1113 | (struct linespec_state *state, |
1114 | const lookup_name_info &lookup_name, | |
1115 | const domain_enum name_domain, | |
56d87ef7 | 1116 | enum search_domain search_domain, |
14bc53a8 PA |
1117 | struct program_space *search_pspace, bool include_inline, |
1118 | gdb::function_view<symbol_found_callback_ftype> callback) | |
40e084e1 KS |
1119 | { |
1120 | struct objfile *objfile; | |
1121 | struct program_space *pspace; | |
40e084e1 | 1122 | |
40e084e1 KS |
1123 | ALL_PSPACES (pspace) |
1124 | { | |
1125 | if (search_pspace != NULL && search_pspace != pspace) | |
1126 | continue; | |
1127 | if (pspace->executing_startup) | |
f8eba3c6 TT |
1128 | continue; |
1129 | ||
1130 | set_current_program_space (pspace); | |
50641945 | 1131 | |
f8eba3c6 TT |
1132 | ALL_OBJFILES (objfile) |
1133 | { | |
43f3e411 | 1134 | struct compunit_symtab *cu; |
f8eba3c6 TT |
1135 | |
1136 | if (objfile->sf) | |
b5ec771e PA |
1137 | objfile->sf->qf->expand_symtabs_matching (objfile, |
1138 | NULL, | |
1139 | lookup_name, | |
1140 | NULL, NULL, | |
56d87ef7 | 1141 | search_domain); |
f8eba3c6 | 1142 | |
43f3e411 | 1143 | ALL_OBJFILE_COMPUNITS (objfile, cu) |
f8eba3c6 | 1144 | { |
43f3e411 DE |
1145 | struct symtab *symtab = COMPUNIT_FILETABS (cu); |
1146 | ||
b5ec771e | 1147 | iterate_over_file_blocks (symtab, lookup_name, name_domain, callback); |
481860b3 | 1148 | |
d790cf0a DE |
1149 | if (include_inline) |
1150 | { | |
4eeaa230 | 1151 | struct block *block; |
d790cf0a | 1152 | int i; |
481860b3 | 1153 | |
d790cf0a | 1154 | for (i = FIRST_LOCAL_BLOCK; |
439247b6 DE |
1155 | i < BLOCKVECTOR_NBLOCKS (SYMTAB_BLOCKVECTOR (symtab)); |
1156 | i++) | |
d790cf0a | 1157 | { |
439247b6 | 1158 | block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), i); |
4ae24af0 | 1159 | state->language->la_iterate_over_symbols |
b5ec771e | 1160 | (block, lookup_name, name_domain, [&] (symbol *sym) |
14bc53a8 PA |
1161 | { |
1162 | /* Restrict calls to CALLBACK to symbols | |
1163 | representing inline symbols only. */ | |
1164 | if (SYMBOL_INLINED (sym)) | |
1165 | return callback (sym); | |
1166 | return true; | |
1167 | }); | |
481860b3 | 1168 | } |
f8eba3c6 TT |
1169 | } |
1170 | } | |
1171 | } | |
1172 | } | |
50641945 FN |
1173 | } |
1174 | ||
4eeaa230 DE |
1175 | /* Returns the block to be used for symbol searches from |
1176 | the current location. */ | |
e8eb7bc5 | 1177 | |
3977b71f | 1178 | static const struct block * |
e482a1a7 | 1179 | get_current_search_block (void) |
e8eb7bc5 | 1180 | { |
3977b71f | 1181 | const struct block *block; |
4eeaa230 | 1182 | enum language save_language; |
e8eb7bc5 | 1183 | |
4eeaa230 DE |
1184 | /* get_selected_block can change the current language when there is |
1185 | no selected frame yet. */ | |
1186 | save_language = current_language->la_language; | |
1187 | block = get_selected_block (0); | |
1188 | set_language (save_language); | |
e8eb7bc5 KS |
1189 | |
1190 | return block; | |
1191 | } | |
1192 | ||
4eeaa230 DE |
1193 | /* Iterate over static and global blocks. */ |
1194 | ||
1195 | static void | |
14bc53a8 | 1196 | iterate_over_file_blocks |
b5ec771e PA |
1197 | (struct symtab *symtab, const lookup_name_info &name, |
1198 | domain_enum domain, gdb::function_view<symbol_found_callback_ftype> callback) | |
4eeaa230 DE |
1199 | { |
1200 | struct block *block; | |
1201 | ||
439247b6 | 1202 | for (block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), STATIC_BLOCK); |
4eeaa230 DE |
1203 | block != NULL; |
1204 | block = BLOCK_SUPERBLOCK (block)) | |
14bc53a8 | 1205 | LA_ITERATE_OVER_SYMBOLS (block, name, domain, callback); |
4eeaa230 DE |
1206 | } |
1207 | ||
b5ec771e PA |
1208 | /* A helper for find_method. This finds all methods in type T of |
1209 | language T_LANG which match NAME. It adds matching symbol names to | |
1210 | RESULT_NAMES, and adds T's direct superclasses to SUPERCLASSES. */ | |
50641945 | 1211 | |
f8eba3c6 | 1212 | static void |
b5ec771e | 1213 | find_methods (struct type *t, enum language t_lang, const char *name, |
9b2f8581 | 1214 | std::vector<const char *> *result_names, |
8e8d776e | 1215 | std::vector<struct type *> *superclasses) |
50641945 | 1216 | { |
50641945 | 1217 | int ibase; |
a737d952 | 1218 | const char *class_name = TYPE_NAME (t); |
c00f8484 | 1219 | |
50641945 FN |
1220 | /* Ignore this class if it doesn't have a name. This is ugly, but |
1221 | unless we figure out how to get the physname without the name of | |
1222 | the class, then the loop can't do any good. */ | |
f8eba3c6 | 1223 | if (class_name) |
50641945 FN |
1224 | { |
1225 | int method_counter; | |
b5ec771e PA |
1226 | lookup_name_info lookup_name (name, symbol_name_match_type::FULL); |
1227 | symbol_name_matcher_ftype *symbol_name_compare | |
618daa93 | 1228 | = get_symbol_name_matcher (language_def (t_lang), lookup_name); |
50641945 | 1229 | |
f168693b | 1230 | t = check_typedef (t); |
50641945 FN |
1231 | |
1232 | /* Loop over each method name. At this level, all overloads of a name | |
1233 | are counted as a single name. There is an inner loop which loops over | |
1234 | each overload. */ | |
1235 | ||
1236 | for (method_counter = TYPE_NFN_FIELDS (t) - 1; | |
1237 | method_counter >= 0; | |
1238 | --method_counter) | |
1239 | { | |
0d5cff50 | 1240 | const char *method_name = TYPE_FN_FIELDLIST_NAME (t, method_counter); |
50641945 FN |
1241 | char dem_opname[64]; |
1242 | ||
61012eef GB |
1243 | if (startswith (method_name, "__") || |
1244 | startswith (method_name, "op") || | |
1245 | startswith (method_name, "type")) | |
50641945 FN |
1246 | { |
1247 | if (cplus_demangle_opname (method_name, dem_opname, DMGL_ANSI)) | |
1248 | method_name = dem_opname; | |
1249 | else if (cplus_demangle_opname (method_name, dem_opname, 0)) | |
1250 | method_name = dem_opname; | |
1251 | } | |
1252 | ||
b5ec771e | 1253 | if (symbol_name_compare (method_name, lookup_name, NULL)) |
f8eba3c6 TT |
1254 | { |
1255 | int field_counter; | |
aee8d8ba | 1256 | |
f8eba3c6 TT |
1257 | for (field_counter = (TYPE_FN_FIELDLIST_LENGTH (t, method_counter) |
1258 | - 1); | |
1259 | field_counter >= 0; | |
1260 | --field_counter) | |
1261 | { | |
1262 | struct fn_field *f; | |
1263 | const char *phys_name; | |
1264 | ||
1265 | f = TYPE_FN_FIELDLIST1 (t, method_counter); | |
1266 | if (TYPE_FN_FIELD_STUB (f, field_counter)) | |
1267 | continue; | |
1268 | phys_name = TYPE_FN_FIELD_PHYSNAME (f, field_counter); | |
9b2f8581 | 1269 | result_names->push_back (phys_name); |
f8eba3c6 TT |
1270 | } |
1271 | } | |
aee8d8ba DC |
1272 | } |
1273 | } | |
1274 | ||
f8eba3c6 | 1275 | for (ibase = 0; ibase < TYPE_N_BASECLASSES (t); ibase++) |
8e8d776e | 1276 | superclasses->push_back (TYPE_BASECLASS (t, ibase)); |
50641945 FN |
1277 | } |
1278 | ||
50641945 FN |
1279 | /* Find an instance of the character C in the string S that is outside |
1280 | of all parenthesis pairs, single-quoted strings, and double-quoted | |
8120c9d5 | 1281 | strings. Also, ignore the char within a template name, like a ',' |
be966d42 | 1282 | within foo<int, int>, while considering C++ operator</operator<<. */ |
8120c9d5 | 1283 | |
87f0e720 | 1284 | const char * |
40e084e1 | 1285 | find_toplevel_char (const char *s, char c) |
50641945 FN |
1286 | { |
1287 | int quoted = 0; /* zero if we're not in quotes; | |
1288 | '"' if we're in a double-quoted string; | |
1289 | '\'' if we're in a single-quoted string. */ | |
a04257e6 | 1290 | int depth = 0; /* Number of unclosed parens we've seen. */ |
40e084e1 | 1291 | const char *scan; |
50641945 FN |
1292 | |
1293 | for (scan = s; *scan; scan++) | |
1294 | { | |
1295 | if (quoted) | |
1296 | { | |
1297 | if (*scan == quoted) | |
1298 | quoted = 0; | |
1299 | else if (*scan == '\\' && *(scan + 1)) | |
1300 | scan++; | |
1301 | } | |
1302 | else if (*scan == c && ! quoted && depth == 0) | |
1303 | return scan; | |
1304 | else if (*scan == '"' || *scan == '\'') | |
1305 | quoted = *scan; | |
8120c9d5 | 1306 | else if (*scan == '(' || *scan == '<') |
50641945 | 1307 | depth++; |
8120c9d5 | 1308 | else if ((*scan == ')' || *scan == '>') && depth > 0) |
50641945 | 1309 | depth--; |
be966d42 PA |
1310 | else if (*scan == 'o' && !quoted && depth == 0) |
1311 | { | |
1312 | /* Handle C++ operator names. */ | |
1313 | if (strncmp (scan, CP_OPERATOR_STR, CP_OPERATOR_LEN) == 0) | |
1314 | { | |
1315 | scan += CP_OPERATOR_LEN; | |
1316 | if (*scan == c) | |
1317 | return scan; | |
1318 | while (isspace (*scan)) | |
1319 | { | |
1320 | ++scan; | |
1321 | if (*scan == c) | |
1322 | return scan; | |
1323 | } | |
1324 | if (*scan == '\0') | |
1325 | break; | |
1326 | ||
1327 | switch (*scan) | |
1328 | { | |
1329 | /* Skip over one less than the appropriate number of | |
1330 | characters: the for loop will skip over the last | |
1331 | one. */ | |
1332 | case '<': | |
1333 | if (scan[1] == '<') | |
1334 | { | |
1335 | scan++; | |
1336 | if (*scan == c) | |
1337 | return scan; | |
1338 | } | |
1339 | break; | |
1340 | case '>': | |
1341 | if (scan[1] == '>') | |
1342 | { | |
1343 | scan++; | |
1344 | if (*scan == c) | |
1345 | return scan; | |
1346 | } | |
1347 | break; | |
1348 | } | |
1349 | } | |
1350 | } | |
50641945 FN |
1351 | } |
1352 | ||
1353 | return 0; | |
1354 | } | |
1355 | ||
40e084e1 KS |
1356 | /* The string equivalent of find_toplevel_char. Returns a pointer |
1357 | to the location of NEEDLE in HAYSTACK, ignoring any occurrences | |
1358 | inside "()" and "<>". Returns NULL if NEEDLE was not found. */ | |
889f28e2 | 1359 | |
40e084e1 KS |
1360 | static const char * |
1361 | find_toplevel_string (const char *haystack, const char *needle) | |
889f28e2 | 1362 | { |
40e084e1 KS |
1363 | const char *s = haystack; |
1364 | ||
1365 | do | |
1366 | { | |
1367 | s = find_toplevel_char (s, *needle); | |
1368 | ||
1369 | if (s != NULL) | |
1370 | { | |
1371 | /* Found first char in HAYSTACK; check rest of string. */ | |
61012eef | 1372 | if (startswith (s, needle)) |
40e084e1 KS |
1373 | return s; |
1374 | ||
1375 | /* Didn't find it; loop over HAYSTACK, looking for the next | |
1376 | instance of the first character of NEEDLE. */ | |
1377 | ++s; | |
1378 | } | |
1379 | } | |
1380 | while (s != NULL && *s != '\0'); | |
1381 | ||
1382 | /* NEEDLE was not found in HAYSTACK. */ | |
1383 | return NULL; | |
889f28e2 AF |
1384 | } |
1385 | ||
33f448b1 | 1386 | /* Convert CANONICAL to its string representation using |
53a0f8a2 | 1387 | symtab_to_fullname for SYMTAB. */ |
33f448b1 | 1388 | |
53a0f8a2 | 1389 | static std::string |
33f448b1 JK |
1390 | canonical_to_fullform (const struct linespec_canonical_name *canonical) |
1391 | { | |
1392 | if (canonical->symtab == NULL) | |
53a0f8a2 | 1393 | return canonical->suffix; |
33f448b1 | 1394 | else |
53a0f8a2 TT |
1395 | return string_printf ("%s:%s", symtab_to_fullname (canonical->symtab), |
1396 | canonical->suffix); | |
33f448b1 JK |
1397 | } |
1398 | ||
f8eba3c6 TT |
1399 | /* Given FILTERS, a list of canonical names, filter the sals in RESULT |
1400 | and store the result in SELF->CANONICAL. */ | |
50641945 | 1401 | |
f8eba3c6 TT |
1402 | static void |
1403 | filter_results (struct linespec_state *self, | |
6c5b2ebe | 1404 | std::vector<symtab_and_line> *result, |
f73c6ece | 1405 | const std::vector<const char *> &filters) |
f8eba3c6 | 1406 | { |
f73c6ece | 1407 | for (const char *name : filters) |
f8eba3c6 | 1408 | { |
6c5b2ebe | 1409 | linespec_sals lsal; |
f8eba3c6 | 1410 | |
6c5b2ebe | 1411 | for (size_t j = 0; j < result->size (); ++j) |
f8eba3c6 | 1412 | { |
33f448b1 | 1413 | const struct linespec_canonical_name *canonical; |
33f448b1 JK |
1414 | |
1415 | canonical = &self->canonical_names[j]; | |
53a0f8a2 | 1416 | std::string fullform = canonical_to_fullform (canonical); |
33f448b1 | 1417 | |
53a0f8a2 | 1418 | if (name == fullform) |
6c5b2ebe | 1419 | lsal.sals.push_back ((*result)[j]); |
f8eba3c6 TT |
1420 | } |
1421 | ||
6c5b2ebe | 1422 | if (!lsal.sals.empty ()) |
f8eba3c6 TT |
1423 | { |
1424 | lsal.canonical = xstrdup (name); | |
6c5b2ebe | 1425 | self->canonical->lsals.push_back (std::move (lsal)); |
f8eba3c6 TT |
1426 | } |
1427 | } | |
1428 | ||
1429 | self->canonical->pre_expanded = 0; | |
1430 | } | |
1431 | ||
1432 | /* Store RESULT into SELF->CANONICAL. */ | |
1433 | ||
1434 | static void | |
1435 | convert_results_to_lsals (struct linespec_state *self, | |
6c5b2ebe | 1436 | std::vector<symtab_and_line> *result) |
50641945 | 1437 | { |
f8eba3c6 TT |
1438 | struct linespec_sals lsal; |
1439 | ||
1440 | lsal.canonical = NULL; | |
6c5b2ebe PA |
1441 | lsal.sals = std::move (*result); |
1442 | self->canonical->lsals.push_back (std::move (lsal)); | |
f8eba3c6 TT |
1443 | } |
1444 | ||
33f448b1 JK |
1445 | /* A structure that contains two string representations of a struct |
1446 | linespec_canonical_name: | |
1447 | - one where the the symtab's fullname is used; | |
1448 | - one where the filename followed the "set filename-display" | |
1449 | setting. */ | |
1450 | ||
1451 | struct decode_line_2_item | |
1452 | { | |
53a0f8a2 TT |
1453 | decode_line_2_item (std::string &&fullform_, std::string &&displayform_, |
1454 | bool selected_) | |
1455 | : fullform (std::move (fullform_)), | |
1456 | displayform (std::move (displayform_)), | |
1457 | selected (selected_) | |
1458 | { | |
1459 | } | |
33f448b1 | 1460 | |
53a0f8a2 TT |
1461 | /* The form using symtab_to_fullname. */ |
1462 | std::string fullform; | |
1463 | ||
1464 | /* The form using symtab_to_filename_for_display. */ | |
1465 | std::string displayform; | |
33f448b1 JK |
1466 | |
1467 | /* Field is initialized to zero and it is set to one if the user | |
1468 | requested breakpoint for this entry. */ | |
1469 | unsigned int selected : 1; | |
1470 | }; | |
1471 | ||
53a0f8a2 TT |
1472 | /* Helper for std::sort to sort decode_line_2_item entries by |
1473 | DISPLAYFORM and secondarily by FULLFORM. */ | |
33f448b1 | 1474 | |
53a0f8a2 TT |
1475 | static bool |
1476 | decode_line_2_compare_items (const decode_line_2_item &a, | |
1477 | const decode_line_2_item &b) | |
33f448b1 | 1478 | { |
53a0f8a2 TT |
1479 | if (a.displayform != b.displayform) |
1480 | return a.displayform < b.displayform; | |
1481 | return a.fullform < b.fullform; | |
33f448b1 JK |
1482 | } |
1483 | ||
f8eba3c6 TT |
1484 | /* Handle multiple results in RESULT depending on SELECT_MODE. This |
1485 | will either return normally, throw an exception on multiple | |
1486 | results, or present a menu to the user. On return, the SALS vector | |
1487 | in SELF->CANONICAL is set up properly. */ | |
1488 | ||
1489 | static void | |
1490 | decode_line_2 (struct linespec_state *self, | |
6c5b2ebe | 1491 | std::vector<symtab_and_line> *result, |
f8eba3c6 TT |
1492 | const char *select_mode) |
1493 | { | |
a121b7c1 PA |
1494 | char *args; |
1495 | const char *prompt; | |
50641945 | 1496 | int i; |
f73c6ece | 1497 | std::vector<const char *> filters; |
53a0f8a2 | 1498 | std::vector<struct decode_line_2_item> items; |
50641945 | 1499 | |
f8eba3c6 TT |
1500 | gdb_assert (select_mode != multiple_symbols_all); |
1501 | gdb_assert (self->canonical != NULL); | |
6c5b2ebe | 1502 | gdb_assert (!result->empty ()); |
33f448b1 | 1503 | |
33f448b1 | 1504 | /* Prepare ITEMS array. */ |
53a0f8a2 | 1505 | for (i = 0; i < result->size (); ++i) |
50641945 | 1506 | { |
33f448b1 | 1507 | const struct linespec_canonical_name *canonical; |
53a0f8a2 TT |
1508 | std::string displayform; |
1509 | ||
33f448b1 JK |
1510 | canonical = &self->canonical_names[i]; |
1511 | gdb_assert (canonical->suffix != NULL); | |
f8eba3c6 | 1512 | |
53a0f8a2 | 1513 | std::string fullform = canonical_to_fullform (canonical); |
33f448b1 JK |
1514 | |
1515 | if (canonical->symtab == NULL) | |
53a0f8a2 | 1516 | displayform = canonical->suffix; |
33f448b1 | 1517 | else |
f8eba3c6 | 1518 | { |
33f448b1 JK |
1519 | const char *fn_for_display; |
1520 | ||
1521 | fn_for_display = symtab_to_filename_for_display (canonical->symtab); | |
53a0f8a2 TT |
1522 | displayform = string_printf ("%s:%s", fn_for_display, |
1523 | canonical->suffix); | |
f8eba3c6 TT |
1524 | } |
1525 | ||
53a0f8a2 TT |
1526 | items.emplace_back (std::move (fullform), std::move (displayform), |
1527 | false); | |
50641945 FN |
1528 | } |
1529 | ||
33f448b1 | 1530 | /* Sort the list of method names. */ |
53a0f8a2 | 1531 | std::sort (items.begin (), items.end (), decode_line_2_compare_items); |
33f448b1 JK |
1532 | |
1533 | /* Remove entries with the same FULLFORM. */ | |
53a0f8a2 TT |
1534 | items.erase (std::unique (items.begin (), items.end (), |
1535 | [] (const struct decode_line_2_item &a, | |
1536 | const struct decode_line_2_item &b) | |
1537 | { | |
1538 | return a.fullform == b.fullform; | |
1539 | }), | |
1540 | items.end ()); | |
1541 | ||
1542 | if (select_mode == multiple_symbols_cancel && items.size () > 1) | |
f8eba3c6 TT |
1543 | error (_("canceled because the command is ambiguous\n" |
1544 | "See set/show multiple-symbol.")); | |
1545 | ||
53a0f8a2 | 1546 | if (select_mode == multiple_symbols_all || items.size () == 1) |
50641945 | 1547 | { |
f8eba3c6 TT |
1548 | convert_results_to_lsals (self, result); |
1549 | return; | |
50641945 FN |
1550 | } |
1551 | ||
f8eba3c6 | 1552 | printf_unfiltered (_("[0] cancel\n[1] all\n")); |
53a0f8a2 TT |
1553 | for (i = 0; i < items.size (); i++) |
1554 | printf_unfiltered ("[%d] %s\n", i + 2, items[i].displayform.c_str ()); | |
f8eba3c6 TT |
1555 | |
1556 | prompt = getenv ("PS2"); | |
1557 | if (prompt == NULL) | |
50641945 | 1558 | { |
f8eba3c6 | 1559 | prompt = "> "; |
50641945 | 1560 | } |
89fbedf3 | 1561 | args = command_line_input (prompt, "overload-choice"); |
50641945 FN |
1562 | |
1563 | if (args == 0 || *args == 0) | |
e2e0b3e5 | 1564 | error_no_arg (_("one or more choice numbers")); |
50641945 | 1565 | |
bfd28288 PA |
1566 | number_or_range_parser parser (args); |
1567 | while (!parser.finished ()) | |
50641945 | 1568 | { |
bfd28288 | 1569 | int num = parser.get_number (); |
50641945 FN |
1570 | |
1571 | if (num == 0) | |
8a3fe4f8 | 1572 | error (_("canceled")); |
50641945 FN |
1573 | else if (num == 1) |
1574 | { | |
f8eba3c6 TT |
1575 | /* We intentionally make this result in a single breakpoint, |
1576 | contrary to what older versions of gdb did. The | |
1577 | rationale is that this lets a user get the | |
1578 | multiple_symbols_all behavior even with the 'ask' | |
1579 | setting; and he can get separate breakpoints by entering | |
1580 | "2-57" at the query. */ | |
f8eba3c6 TT |
1581 | convert_results_to_lsals (self, result); |
1582 | return; | |
50641945 FN |
1583 | } |
1584 | ||
f8eba3c6 | 1585 | num -= 2; |
53a0f8a2 | 1586 | if (num >= items.size ()) |
f8eba3c6 | 1587 | printf_unfiltered (_("No choice number %d.\n"), num); |
50641945 FN |
1588 | else |
1589 | { | |
33f448b1 | 1590 | struct decode_line_2_item *item = &items[num]; |
f8eba3c6 | 1591 | |
33f448b1 | 1592 | if (!item->selected) |
50641945 | 1593 | { |
f73c6ece | 1594 | filters.push_back (item->fullform.c_str ()); |
33f448b1 | 1595 | item->selected = 1; |
50641945 FN |
1596 | } |
1597 | else | |
1598 | { | |
3e43a32a | 1599 | printf_unfiltered (_("duplicate request for %d ignored.\n"), |
f6f99966 | 1600 | num + 2); |
50641945 FN |
1601 | } |
1602 | } | |
50641945 | 1603 | } |
f8eba3c6 TT |
1604 | |
1605 | filter_results (self, result, filters); | |
50641945 | 1606 | } |
94af9270 | 1607 | |
40e084e1 | 1608 | \f |
3d50dd94 | 1609 | |
40e084e1 KS |
1610 | /* The parser of linespec itself. */ |
1611 | ||
1612 | /* Throw an appropriate error when SYMBOL is not found (optionally in | |
1613 | FILENAME). */ | |
1614 | ||
1615 | static void ATTRIBUTE_NORETURN | |
5d94e27b | 1616 | symbol_not_found_error (const char *symbol, const char *filename) |
3d50dd94 | 1617 | { |
40e084e1 KS |
1618 | if (symbol == NULL) |
1619 | symbol = ""; | |
1620 | ||
1621 | if (!have_full_symbols () | |
1622 | && !have_partial_symbols () | |
1623 | && !have_minimal_symbols ()) | |
1624 | throw_error (NOT_FOUND_ERROR, | |
1625 | _("No symbol table is loaded. Use the \"file\" command.")); | |
1626 | ||
1627 | /* If SYMBOL starts with '$', the user attempted to either lookup | |
1628 | a function/variable in his code starting with '$' or an internal | |
1629 | variable of that name. Since we do not know which, be concise and | |
1630 | explain both possibilities. */ | |
1631 | if (*symbol == '$') | |
1632 | { | |
1633 | if (filename) | |
1634 | throw_error (NOT_FOUND_ERROR, | |
1635 | _("Undefined convenience variable or function \"%s\" " | |
1636 | "not defined in \"%s\"."), symbol, filename); | |
1637 | else | |
1638 | throw_error (NOT_FOUND_ERROR, | |
1639 | _("Undefined convenience variable or function \"%s\" " | |
1640 | "not defined."), symbol); | |
1641 | } | |
1642 | else | |
1643 | { | |
1644 | if (filename) | |
1645 | throw_error (NOT_FOUND_ERROR, | |
1646 | _("Function \"%s\" not defined in \"%s\"."), | |
1647 | symbol, filename); | |
1648 | else | |
1649 | throw_error (NOT_FOUND_ERROR, | |
1650 | _("Function \"%s\" not defined."), symbol); | |
1651 | } | |
3d50dd94 JK |
1652 | } |
1653 | ||
40e084e1 KS |
1654 | /* Throw an appropriate error when an unexpected token is encountered |
1655 | in the input. */ | |
94af9270 | 1656 | |
40e084e1 KS |
1657 | static void ATTRIBUTE_NORETURN |
1658 | unexpected_linespec_error (linespec_parser *parser) | |
94af9270 | 1659 | { |
40e084e1 KS |
1660 | linespec_token token; |
1661 | static const char * token_type_strings[] | |
1662 | = {"keyword", "colon", "string", "number", "comma", "end of input"}; | |
94af9270 | 1663 | |
40e084e1 KS |
1664 | /* Get the token that generated the error. */ |
1665 | token = linespec_lexer_lex_one (parser); | |
94af9270 | 1666 | |
40e084e1 KS |
1667 | /* Finally, throw the error. */ |
1668 | if (token.type == LSTOKEN_STRING || token.type == LSTOKEN_NUMBER | |
1669 | || token.type == LSTOKEN_KEYWORD) | |
94af9270 | 1670 | { |
a5b5adf5 | 1671 | gdb::unique_xmalloc_ptr<char> string = copy_token_string (token); |
40e084e1 KS |
1672 | throw_error (GENERIC_ERROR, |
1673 | _("malformed linespec error: unexpected %s, \"%s\""), | |
a5b5adf5 | 1674 | token_type_strings[token.type], string.get ()); |
40e084e1 KS |
1675 | } |
1676 | else | |
1677 | throw_error (GENERIC_ERROR, | |
1678 | _("malformed linespec error: unexpected %s"), | |
1679 | token_type_strings[token.type]); | |
1680 | } | |
1681 | ||
00e52e53 KS |
1682 | /* Throw an undefined label error. */ |
1683 | ||
1684 | static void ATTRIBUTE_NORETURN | |
1685 | undefined_label_error (const char *function, const char *label) | |
1686 | { | |
1687 | if (function != NULL) | |
1688 | throw_error (NOT_FOUND_ERROR, | |
1689 | _("No label \"%s\" defined in function \"%s\"."), | |
1690 | label, function); | |
1691 | else | |
1692 | throw_error (NOT_FOUND_ERROR, | |
1693 | _("No label \"%s\" defined in current function."), | |
1694 | label); | |
1695 | } | |
1696 | ||
1697 | /* Throw a source file not found error. */ | |
1698 | ||
1699 | static void ATTRIBUTE_NORETURN | |
1700 | source_file_not_found_error (const char *name) | |
1701 | { | |
1702 | throw_error (NOT_FOUND_ERROR, _("No source file named %s."), name); | |
1703 | } | |
1704 | ||
c45ec17c PA |
1705 | /* Unless at EIO, save the current stream position as completion word |
1706 | point, and consume the next token. */ | |
1707 | ||
1708 | static linespec_token | |
1709 | save_stream_and_consume_token (linespec_parser *parser) | |
1710 | { | |
1711 | if (linespec_lexer_peek_token (parser).type != LSTOKEN_EOI) | |
1712 | parser->completion_word = PARSER_STREAM (parser); | |
1713 | return linespec_lexer_consume_token (parser); | |
1714 | } | |
1715 | ||
87f0e720 | 1716 | /* See description in linespec.h. */ |
40e084e1 | 1717 | |
87f0e720 | 1718 | struct line_offset |
09cf2b22 | 1719 | linespec_parse_line_offset (const char *string) |
40e084e1 | 1720 | { |
87f0e720 | 1721 | const char *start = string; |
40e084e1 KS |
1722 | struct line_offset line_offset = {0, LINE_OFFSET_NONE}; |
1723 | ||
1724 | if (*string == '+') | |
1725 | { | |
1726 | line_offset.sign = LINE_OFFSET_PLUS; | |
1727 | ++string; | |
1728 | } | |
1729 | else if (*string == '-') | |
1730 | { | |
1731 | line_offset.sign = LINE_OFFSET_MINUS; | |
1732 | ++string; | |
1733 | } | |
1734 | ||
87f0e720 KS |
1735 | if (*string != '\0' && !isdigit (*string)) |
1736 | error (_("malformed line offset: \"%s\""), start); | |
1737 | ||
40e084e1 KS |
1738 | /* Right now, we only allow base 10 for offsets. */ |
1739 | line_offset.offset = atoi (string); | |
1740 | return line_offset; | |
1741 | } | |
1742 | ||
c45ec17c PA |
1743 | /* In completion mode, if the user is still typing the number, there's |
1744 | no possible completion to offer. But if there's already input past | |
1745 | the number, setup to expect NEXT. */ | |
1746 | ||
1747 | static void | |
1748 | set_completion_after_number (linespec_parser *parser, | |
1749 | linespec_complete_what next) | |
1750 | { | |
1751 | if (*PARSER_STREAM (parser) == ' ') | |
1752 | { | |
f1735a53 | 1753 | parser->completion_word = skip_spaces (PARSER_STREAM (parser) + 1); |
c45ec17c PA |
1754 | parser->complete_what = next; |
1755 | } | |
1756 | else | |
1757 | { | |
1758 | parser->completion_word = PARSER_STREAM (parser); | |
1759 | parser->complete_what = linespec_complete_what::NOTHING; | |
1760 | } | |
1761 | } | |
1762 | ||
40e084e1 KS |
1763 | /* Parse the basic_spec in PARSER's input. */ |
1764 | ||
1765 | static void | |
1766 | linespec_parse_basic (linespec_parser *parser) | |
1767 | { | |
a5b5adf5 | 1768 | gdb::unique_xmalloc_ptr<char> name; |
40e084e1 KS |
1769 | linespec_token token; |
1770 | VEC (symbolp) *symbols, *labels; | |
f60e2d5c | 1771 | VEC (bound_minimal_symbol_d) *minimal_symbols; |
40e084e1 KS |
1772 | |
1773 | /* Get the next token. */ | |
1774 | token = linespec_lexer_lex_one (parser); | |
1775 | ||
1776 | /* If it is EOI or KEYWORD, issue an error. */ | |
c45ec17c PA |
1777 | if (token.type == LSTOKEN_KEYWORD) |
1778 | { | |
1779 | parser->complete_what = linespec_complete_what::NOTHING; | |
1780 | unexpected_linespec_error (parser); | |
1781 | } | |
1782 | else if (token.type == LSTOKEN_EOI) | |
1783 | { | |
1784 | unexpected_linespec_error (parser); | |
1785 | } | |
40e084e1 KS |
1786 | /* If it is a LSTOKEN_NUMBER, we have an offset. */ |
1787 | else if (token.type == LSTOKEN_NUMBER) | |
1788 | { | |
c45ec17c PA |
1789 | set_completion_after_number (parser, linespec_complete_what::KEYWORD); |
1790 | ||
40e084e1 KS |
1791 | /* Record the line offset and get the next token. */ |
1792 | name = copy_token_string (token); | |
a5b5adf5 TT |
1793 | PARSER_EXPLICIT (parser)->line_offset |
1794 | = linespec_parse_line_offset (name.get ()); | |
40e084e1 KS |
1795 | |
1796 | /* Get the next token. */ | |
1797 | token = linespec_lexer_consume_token (parser); | |
1798 | ||
1799 | /* If the next token is a comma, stop parsing and return. */ | |
1800 | if (token.type == LSTOKEN_COMMA) | |
c45ec17c PA |
1801 | { |
1802 | parser->complete_what = linespec_complete_what::NOTHING; | |
1803 | return; | |
1804 | } | |
40e084e1 KS |
1805 | |
1806 | /* If the next token is anything but EOI or KEYWORD, issue | |
1807 | an error. */ | |
1808 | if (token.type != LSTOKEN_KEYWORD && token.type != LSTOKEN_EOI) | |
1809 | unexpected_linespec_error (parser); | |
1810 | } | |
1811 | ||
1812 | if (token.type == LSTOKEN_KEYWORD || token.type == LSTOKEN_EOI) | |
1813 | return; | |
1814 | ||
1815 | /* Next token must be LSTOKEN_STRING. */ | |
1816 | if (token.type != LSTOKEN_STRING) | |
c45ec17c PA |
1817 | { |
1818 | parser->complete_what = linespec_complete_what::NOTHING; | |
1819 | unexpected_linespec_error (parser); | |
1820 | } | |
40e084e1 KS |
1821 | |
1822 | /* The current token will contain the name of a function, method, | |
1823 | or label. */ | |
c45ec17c | 1824 | name = copy_token_string (token); |
c45ec17c PA |
1825 | |
1826 | if (parser->completion_tracker != NULL) | |
1827 | { | |
1828 | /* If the function name ends with a ":", then this may be an | |
1829 | incomplete "::" scope operator instead of a label separator. | |
1830 | E.g., | |
1831 | "b klass:<tab>" | |
1832 | which should expand to: | |
1833 | "b klass::method()" | |
1834 | ||
1835 | Do a tentative completion assuming the later. If we find | |
1836 | completions, advance the stream past the colon token and make | |
1837 | it part of the function name/token. */ | |
1838 | ||
1839 | if (!parser->completion_quote_char | |
1840 | && strcmp (PARSER_STREAM (parser), ":") == 0) | |
1841 | { | |
1842 | completion_tracker tmp_tracker; | |
1843 | const char *source_filename | |
1844 | = PARSER_EXPLICIT (parser)->source_filename; | |
a20714ff PA |
1845 | symbol_name_match_type match_type |
1846 | = PARSER_EXPLICIT (parser)->func_name_match_type; | |
c45ec17c PA |
1847 | |
1848 | linespec_complete_function (tmp_tracker, | |
1849 | parser->completion_word, | |
a20714ff | 1850 | match_type, |
c45ec17c PA |
1851 | source_filename); |
1852 | ||
1853 | if (tmp_tracker.have_completions ()) | |
1854 | { | |
1855 | PARSER_STREAM (parser)++; | |
1856 | LS_TOKEN_STOKEN (token).length++; | |
1857 | ||
a5b5adf5 TT |
1858 | name.reset (savestring (parser->completion_word, |
1859 | (PARSER_STREAM (parser) | |
1860 | - parser->completion_word))); | |
c45ec17c PA |
1861 | } |
1862 | } | |
1863 | ||
a5b5adf5 | 1864 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
c45ec17c PA |
1865 | } |
1866 | else | |
1867 | { | |
6a307fc5 TT |
1868 | /* Try looking it up as a function/method. */ |
1869 | find_linespec_symbols (PARSER_STATE (parser), | |
a5b5adf5 | 1870 | PARSER_RESULT (parser)->file_symtabs, name.get (), |
6a307fc5 TT |
1871 | PARSER_EXPLICIT (parser)->func_name_match_type, |
1872 | &symbols, &minimal_symbols); | |
40e084e1 | 1873 | |
6a307fc5 | 1874 | if (symbols != NULL || minimal_symbols != NULL) |
94af9270 | 1875 | { |
6a307fc5 TT |
1876 | PARSER_RESULT (parser)->function_symbols = symbols; |
1877 | PARSER_RESULT (parser)->minimal_symbols = minimal_symbols; | |
a5b5adf5 | 1878 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
40e084e1 | 1879 | symbols = NULL; |
40e084e1 | 1880 | } |
6a307fc5 | 1881 | else |
b4013987 | 1882 | { |
6a307fc5 TT |
1883 | /* NAME was not a function or a method. So it must be a label |
1884 | name or user specified variable like "break foo.c:$zippo". */ | |
1885 | labels = find_label_symbols (PARSER_STATE (parser), NULL, | |
a5b5adf5 | 1886 | &symbols, name.get ()); |
6a307fc5 TT |
1887 | if (labels != NULL) |
1888 | { | |
1889 | PARSER_RESULT (parser)->labels.label_symbols = labels; | |
1890 | PARSER_RESULT (parser)->labels.function_symbols = symbols; | |
a5b5adf5 | 1891 | PARSER_EXPLICIT (parser)->label_name = name.release (); |
6a307fc5 | 1892 | symbols = NULL; |
6a307fc5 TT |
1893 | } |
1894 | else if (token.type == LSTOKEN_STRING | |
1895 | && *LS_TOKEN_STOKEN (token).ptr == '$') | |
1896 | { | |
1897 | /* User specified a convenience variable or history value. */ | |
1898 | PARSER_EXPLICIT (parser)->line_offset | |
a5b5adf5 | 1899 | = linespec_parse_variable (PARSER_STATE (parser), name.get ()); |
b4013987 | 1900 | |
6a307fc5 TT |
1901 | if (PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN) |
1902 | { | |
1903 | /* The user-specified variable was not valid. Do not | |
1904 | throw an error here. parse_linespec will do it for us. */ | |
a5b5adf5 | 1905 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
6a307fc5 TT |
1906 | return; |
1907 | } | |
6a307fc5 TT |
1908 | } |
1909 | else | |
b4013987 | 1910 | { |
6a307fc5 TT |
1911 | /* The name is also not a label. Abort parsing. Do not throw |
1912 | an error here. parse_linespec will do it for us. */ | |
1913 | ||
1914 | /* Save a copy of the name we were trying to lookup. */ | |
a5b5adf5 | 1915 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
b4013987 AA |
1916 | return; |
1917 | } | |
1918 | } | |
c45ec17c PA |
1919 | } |
1920 | ||
1921 | int previous_qc = parser->completion_quote_char; | |
40e084e1 KS |
1922 | |
1923 | /* Get the next token. */ | |
1924 | token = linespec_lexer_consume_token (parser); | |
1925 | ||
c45ec17c PA |
1926 | if (token.type == LSTOKEN_EOI) |
1927 | { | |
1928 | if (previous_qc && !parser->completion_quote_char) | |
1929 | parser->complete_what = linespec_complete_what::KEYWORD; | |
1930 | } | |
1931 | else if (token.type == LSTOKEN_COLON) | |
40e084e1 KS |
1932 | { |
1933 | /* User specified a label or a lineno. */ | |
1934 | token = linespec_lexer_consume_token (parser); | |
1935 | ||
1936 | if (token.type == LSTOKEN_NUMBER) | |
1937 | { | |
1938 | /* User specified an offset. Record the line offset and | |
1939 | get the next token. */ | |
c45ec17c PA |
1940 | set_completion_after_number (parser, linespec_complete_what::KEYWORD); |
1941 | ||
40e084e1 | 1942 | name = copy_token_string (token); |
00e52e53 | 1943 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 1944 | = linespec_parse_line_offset (name.get ()); |
40e084e1 | 1945 | |
c45ec17c | 1946 | /* Get the next token. */ |
40e084e1 KS |
1947 | token = linespec_lexer_consume_token (parser); |
1948 | } | |
c45ec17c PA |
1949 | else if (token.type == LSTOKEN_EOI && parser->completion_tracker != NULL) |
1950 | { | |
1951 | parser->complete_what = linespec_complete_what::LABEL; | |
1952 | } | |
40e084e1 KS |
1953 | else if (token.type == LSTOKEN_STRING) |
1954 | { | |
c45ec17c PA |
1955 | parser->complete_what = linespec_complete_what::LABEL; |
1956 | ||
1957 | /* If we have text after the label separated by whitespace | |
1958 | (e.g., "b func():lab i<tab>"), don't consider it part of | |
1959 | the label. In completion mode that should complete to | |
1960 | "if", in normal mode, the 'i' should be treated as | |
1961 | garbage. */ | |
1962 | if (parser->completion_quote_char == '\0') | |
1963 | { | |
1964 | const char *ptr = LS_TOKEN_STOKEN (token).ptr; | |
1965 | for (size_t i = 0; i < LS_TOKEN_STOKEN (token).length; i++) | |
1966 | { | |
1967 | if (ptr[i] == ' ') | |
1968 | { | |
1969 | LS_TOKEN_STOKEN (token).length = i; | |
f1735a53 | 1970 | PARSER_STREAM (parser) = skip_spaces (ptr + i + 1); |
c45ec17c PA |
1971 | break; |
1972 | } | |
1973 | } | |
1974 | } | |
1975 | ||
1976 | if (parser->completion_tracker != NULL) | |
1977 | { | |
1978 | if (PARSER_STREAM (parser)[-1] == ' ') | |
1979 | { | |
1980 | parser->completion_word = PARSER_STREAM (parser); | |
1981 | parser->complete_what = linespec_complete_what::KEYWORD; | |
1982 | } | |
1983 | } | |
1984 | else | |
1985 | { | |
6a307fc5 TT |
1986 | /* Grab a copy of the label's name and look it up. */ |
1987 | name = copy_token_string (token); | |
6a307fc5 TT |
1988 | labels |
1989 | = find_label_symbols (PARSER_STATE (parser), | |
1990 | PARSER_RESULT (parser)->function_symbols, | |
a5b5adf5 | 1991 | &symbols, name.get ()); |
40e084e1 | 1992 | |
6a307fc5 TT |
1993 | if (labels != NULL) |
1994 | { | |
1995 | PARSER_RESULT (parser)->labels.label_symbols = labels; | |
1996 | PARSER_RESULT (parser)->labels.function_symbols = symbols; | |
a5b5adf5 | 1997 | PARSER_EXPLICIT (parser)->label_name = name.release (); |
6a307fc5 | 1998 | symbols = NULL; |
6a307fc5 TT |
1999 | } |
2000 | else | |
2001 | { | |
2002 | /* We don't know what it was, but it isn't a label. */ | |
2003 | undefined_label_error | |
a5b5adf5 | 2004 | (PARSER_EXPLICIT (parser)->function_name, name.get ()); |
6a307fc5 | 2005 | } |
40e084e1 | 2006 | |
c45ec17c PA |
2007 | } |
2008 | ||
40e084e1 | 2009 | /* Check for a line offset. */ |
c45ec17c | 2010 | token = save_stream_and_consume_token (parser); |
40e084e1 KS |
2011 | if (token.type == LSTOKEN_COLON) |
2012 | { | |
2013 | /* Get the next token. */ | |
2014 | token = linespec_lexer_consume_token (parser); | |
2015 | ||
2016 | /* It must be a line offset. */ | |
2017 | if (token.type != LSTOKEN_NUMBER) | |
2018 | unexpected_linespec_error (parser); | |
2019 | ||
c6756f62 | 2020 | /* Record the line offset and get the next token. */ |
40e084e1 | 2021 | name = copy_token_string (token); |
40e084e1 | 2022 | |
00e52e53 | 2023 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 2024 | = linespec_parse_line_offset (name.get ()); |
40e084e1 KS |
2025 | |
2026 | /* Get the next token. */ | |
2027 | token = linespec_lexer_consume_token (parser); | |
94af9270 KS |
2028 | } |
2029 | } | |
40e084e1 KS |
2030 | else |
2031 | { | |
2032 | /* Trailing ':' in the input. Issue an error. */ | |
2033 | unexpected_linespec_error (parser); | |
2034 | } | |
94af9270 | 2035 | } |
40e084e1 | 2036 | } |
94af9270 | 2037 | |
40e084e1 | 2038 | /* Canonicalize the linespec contained in LS. The result is saved into |
00e52e53 KS |
2039 | STATE->canonical. This function handles both linespec and explicit |
2040 | locations. */ | |
40e084e1 KS |
2041 | |
2042 | static void | |
f00aae0f | 2043 | canonicalize_linespec (struct linespec_state *state, const linespec_p ls) |
40e084e1 | 2044 | { |
00e52e53 | 2045 | struct event_location *canon; |
67994074 | 2046 | struct explicit_location *explicit_loc; |
f00aae0f | 2047 | |
40e084e1 KS |
2048 | /* If canonicalization was not requested, no need to do anything. */ |
2049 | if (!state->canonical) | |
2050 | return; | |
2051 | ||
00e52e53 | 2052 | /* Save everything as an explicit location. */ |
8e9e35b1 TT |
2053 | state->canonical->location |
2054 | = new_explicit_location (&ls->explicit_loc); | |
2055 | canon = state->canonical->location.get (); | |
67994074 | 2056 | explicit_loc = get_explicit_location (canon); |
40e084e1 | 2057 | |
67994074 | 2058 | if (explicit_loc->label_name != NULL) |
a06efdd6 | 2059 | { |
00e52e53 | 2060 | state->canonical->special_display = 1; |
40e084e1 | 2061 | |
67994074 | 2062 | if (explicit_loc->function_name == NULL) |
40e084e1 | 2063 | { |
a06efdd6 KS |
2064 | struct symbol *s; |
2065 | ||
2066 | /* No function was specified, so add the symbol name. */ | |
2067 | gdb_assert (ls->labels.function_symbols != NULL | |
2068 | && (VEC_length (symbolp, ls->labels.function_symbols) | |
2069 | == 1)); | |
2070 | s = VEC_index (symbolp, ls->labels.function_symbols, 0); | |
67994074 | 2071 | explicit_loc->function_name = xstrdup (SYMBOL_NATURAL_NAME (s)); |
40e084e1 | 2072 | } |
a06efdd6 | 2073 | } |
40e084e1 | 2074 | |
00e52e53 KS |
2075 | /* If this location originally came from a linespec, save a string |
2076 | representation of it for display and saving to file. */ | |
2077 | if (state->is_linespec) | |
a06efdd6 | 2078 | { |
67994074 | 2079 | char *linespec = explicit_location_to_linespec (explicit_loc); |
a06efdd6 | 2080 | |
00e52e53 KS |
2081 | set_event_location_string (canon, linespec); |
2082 | xfree (linespec); | |
2083 | } | |
94af9270 | 2084 | } |
c00f8484 | 2085 | |
40e084e1 | 2086 | /* Given a line offset in LS, construct the relevant SALs. */ |
c00f8484 | 2087 | |
6c5b2ebe | 2088 | static std::vector<symtab_and_line> |
40e084e1 KS |
2089 | create_sals_line_offset (struct linespec_state *self, |
2090 | linespec_p ls) | |
c00f8484 | 2091 | { |
40e084e1 | 2092 | int use_default = 0; |
c00f8484 | 2093 | |
40e084e1 KS |
2094 | /* This is where we need to make sure we have good defaults. |
2095 | We must guarantee that this section of code is never executed | |
2e47c6ca | 2096 | when we are called with just a function name, since |
40e084e1 KS |
2097 | set_default_source_symtab_and_line uses |
2098 | select_source_symtab that calls us with such an argument. */ | |
2099 | ||
2a908241 KS |
2100 | if (ls->file_symtabs->size () == 1 |
2101 | && ls->file_symtabs->front () == nullptr) | |
3d50dd94 | 2102 | { |
05cba821 JK |
2103 | const char *fullname; |
2104 | ||
40e084e1 | 2105 | set_current_program_space (self->program_space); |
c00f8484 | 2106 | |
40e084e1 KS |
2107 | /* Make sure we have at least a default source line. */ |
2108 | set_default_source_symtab_and_line (); | |
2109 | initialize_defaults (&self->default_symtab, &self->default_line); | |
05cba821 | 2110 | fullname = symtab_to_fullname (self->default_symtab); |
2a908241 KS |
2111 | symtab_vector_up r = |
2112 | collect_symtabs_from_filename (fullname, self->search_pspace); | |
2113 | ls->file_symtabs = r.release (); | |
40e084e1 KS |
2114 | use_default = 1; |
2115 | } | |
c00f8484 | 2116 | |
51abb421 | 2117 | symtab_and_line val; |
67994074 KS |
2118 | val.line = ls->explicit_loc.line_offset.offset; |
2119 | switch (ls->explicit_loc.line_offset.sign) | |
40e084e1 KS |
2120 | { |
2121 | case LINE_OFFSET_PLUS: | |
67994074 | 2122 | if (ls->explicit_loc.line_offset.offset == 0) |
40e084e1 KS |
2123 | val.line = 5; |
2124 | if (use_default) | |
2125 | val.line = self->default_line + val.line; | |
2126 | break; | |
2127 | ||
2128 | case LINE_OFFSET_MINUS: | |
67994074 | 2129 | if (ls->explicit_loc.line_offset.offset == 0) |
40e084e1 KS |
2130 | val.line = 15; |
2131 | if (use_default) | |
2132 | val.line = self->default_line - val.line; | |
2133 | else | |
2134 | val.line = -val.line; | |
2135 | break; | |
2136 | ||
2137 | case LINE_OFFSET_NONE: | |
2138 | break; /* No need to adjust val.line. */ | |
2139 | } | |
2140 | ||
6c5b2ebe | 2141 | std::vector<symtab_and_line> values; |
40e084e1 | 2142 | if (self->list_mode) |
6c5b2ebe | 2143 | values = decode_digits_list_mode (self, ls, val); |
40e084e1 KS |
2144 | else |
2145 | { | |
2146 | struct linetable_entry *best_entry = NULL; | |
40e084e1 KS |
2147 | int i, j; |
2148 | ||
6c5b2ebe PA |
2149 | std::vector<symtab_and_line> intermediate_results |
2150 | = decode_digits_ordinary (self, ls, val.line, &best_entry); | |
2151 | if (intermediate_results.empty () && best_entry != NULL) | |
2152 | intermediate_results = decode_digits_ordinary (self, ls, | |
2153 | best_entry->line, | |
2154 | &best_entry); | |
40e084e1 KS |
2155 | |
2156 | /* For optimized code, the compiler can scatter one source line | |
2157 | across disjoint ranges of PC values, even when no duplicate | |
2158 | functions or inline functions are involved. For example, | |
2159 | 'for (;;)' inside a non-template, non-inline, and non-ctor-or-dtor | |
2160 | function can result in two PC ranges. In this case, we don't | |
2161 | want to set a breakpoint on the first PC of each range. To filter | |
2162 | such cases, we use containing blocks -- for each PC found | |
2163 | above, we see if there are other PCs that are in the same | |
2164 | block. If yes, the other PCs are filtered out. */ | |
2165 | ||
0fc21fd8 TT |
2166 | gdb::def_vector<int> filter (intermediate_results.size ()); |
2167 | gdb::def_vector<const block *> blocks (intermediate_results.size ()); | |
40e084e1 | 2168 | |
6c5b2ebe | 2169 | for (i = 0; i < intermediate_results.size (); ++i) |
3d50dd94 | 2170 | { |
6c5b2ebe | 2171 | set_current_program_space (intermediate_results[i].pspace); |
c00f8484 | 2172 | |
40e084e1 | 2173 | filter[i] = 1; |
6c5b2ebe PA |
2174 | blocks[i] = block_for_pc_sect (intermediate_results[i].pc, |
2175 | intermediate_results[i].section); | |
3d50dd94 | 2176 | } |
c00f8484 | 2177 | |
6c5b2ebe | 2178 | for (i = 0; i < intermediate_results.size (); ++i) |
40e084e1 KS |
2179 | { |
2180 | if (blocks[i] != NULL) | |
6c5b2ebe | 2181 | for (j = i + 1; j < intermediate_results.size (); ++j) |
40e084e1 KS |
2182 | { |
2183 | if (blocks[j] == blocks[i]) | |
2184 | { | |
2185 | filter[j] = 0; | |
2186 | break; | |
2187 | } | |
2188 | } | |
2189 | } | |
c00f8484 | 2190 | |
6c5b2ebe | 2191 | for (i = 0; i < intermediate_results.size (); ++i) |
40e084e1 KS |
2192 | if (filter[i]) |
2193 | { | |
2194 | struct symbol *sym = (blocks[i] | |
2195 | ? block_containing_function (blocks[i]) | |
2196 | : NULL); | |
3d50dd94 | 2197 | |
40e084e1 | 2198 | if (self->funfirstline) |
6c5b2ebe | 2199 | skip_prologue_sal (&intermediate_results[i]); |
cd2bb709 | 2200 | intermediate_results[i].symbol = sym; |
6c5b2ebe | 2201 | add_sal_to_sals (self, &values, &intermediate_results[i], |
66f1999b | 2202 | sym ? SYMBOL_NATURAL_NAME (sym) : NULL, 0); |
40e084e1 | 2203 | } |
f17170e5 | 2204 | } |
c00f8484 | 2205 | |
6c5b2ebe | 2206 | if (values.empty ()) |
40e084e1 | 2207 | { |
67994074 | 2208 | if (ls->explicit_loc.source_filename) |
40e084e1 | 2209 | throw_error (NOT_FOUND_ERROR, _("No line %d in file \"%s\"."), |
67994074 | 2210 | val.line, ls->explicit_loc.source_filename); |
40e084e1 KS |
2211 | else |
2212 | throw_error (NOT_FOUND_ERROR, _("No line %d in the current file."), | |
2213 | val.line); | |
2214 | } | |
3d50dd94 | 2215 | |
40e084e1 | 2216 | return values; |
c00f8484 KS |
2217 | } |
2218 | ||
a06efdd6 KS |
2219 | /* Convert the given ADDRESS into SaLs. */ |
2220 | ||
6c5b2ebe | 2221 | static std::vector<symtab_and_line> |
a06efdd6 KS |
2222 | convert_address_location_to_sals (struct linespec_state *self, |
2223 | CORE_ADDR address) | |
2224 | { | |
6c5b2ebe | 2225 | symtab_and_line sal = find_pc_line (address, 0); |
a06efdd6 KS |
2226 | sal.pc = address; |
2227 | sal.section = find_pc_overlay (address); | |
2228 | sal.explicit_pc = 1; | |
cd2bb709 | 2229 | sal.symbol = find_pc_sect_containing_function (sal.pc, sal.section); |
6c5b2ebe PA |
2230 | |
2231 | std::vector<symtab_and_line> sals; | |
a06efdd6 KS |
2232 | add_sal_to_sals (self, &sals, &sal, core_addr_to_string (address), 1); |
2233 | ||
2234 | return sals; | |
2235 | } | |
2236 | ||
40e084e1 KS |
2237 | /* Create and return SALs from the linespec LS. */ |
2238 | ||
6c5b2ebe | 2239 | static std::vector<symtab_and_line> |
40e084e1 KS |
2240 | convert_linespec_to_sals (struct linespec_state *state, linespec_p ls) |
2241 | { | |
6c5b2ebe | 2242 | std::vector<symtab_and_line> sals; |
40e084e1 | 2243 | |
a06efdd6 | 2244 | if (ls->labels.label_symbols != NULL) |
40e084e1 KS |
2245 | { |
2246 | /* We have just a bunch of functions/methods or labels. */ | |
2247 | int i; | |
2248 | struct symtab_and_line sal; | |
2249 | struct symbol *sym; | |
2250 | ||
2251 | for (i = 0; VEC_iterate (symbolp, ls->labels.label_symbols, i, sym); ++i) | |
2252 | { | |
08be3fe3 | 2253 | struct program_space *pspace = SYMTAB_PSPACE (symbol_symtab (sym)); |
fdbb204b TT |
2254 | |
2255 | if (symbol_to_sal (&sal, state->funfirstline, sym) | |
2256 | && maybe_add_address (state->addr_set, pspace, sal.pc)) | |
64b92e45 KS |
2257 | add_sal_to_sals (state, &sals, &sal, |
2258 | SYMBOL_NATURAL_NAME (sym), 0); | |
40e084e1 KS |
2259 | } |
2260 | } | |
2261 | else if (ls->function_symbols != NULL || ls->minimal_symbols != NULL) | |
2262 | { | |
2263 | /* We have just a bunch of functions and/or methods. */ | |
40e084e1 KS |
2264 | if (ls->function_symbols != NULL) |
2265 | { | |
2266 | /* Sort symbols so that symbols with the same program space are next | |
2267 | to each other. */ | |
2268 | qsort (VEC_address (symbolp, ls->function_symbols), | |
2269 | VEC_length (symbolp, ls->function_symbols), | |
2270 | sizeof (symbolp), compare_symbols); | |
2271 | ||
76af0f26 PA |
2272 | struct symbol *sym; |
2273 | for (int i = 0; VEC_iterate (symbolp, ls->function_symbols, i, sym); ++i) | |
40e084e1 | 2274 | { |
76af0f26 | 2275 | program_space *pspace = SYMTAB_PSPACE (symbol_symtab (sym)); |
40e084e1 | 2276 | set_current_program_space (pspace); |
76af0f26 PA |
2277 | |
2278 | /* Don't skip to the first line of the function if we | |
2279 | had found an ifunc minimal symbol for this function, | |
2280 | because that means that this function is an ifunc | |
2281 | resolver with the same name as the ifunc itself. */ | |
2282 | bool found_ifunc = false; | |
2283 | ||
2284 | if (state->funfirstline | |
2285 | && ls->minimal_symbols != NULL | |
2286 | && SYMBOL_CLASS (sym) == LOC_BLOCK) | |
2287 | { | |
2288 | const CORE_ADDR addr | |
2b1ffcfd | 2289 | = BLOCK_ENTRY_PC (SYMBOL_BLOCK_VALUE (sym)); |
76af0f26 PA |
2290 | |
2291 | bound_minimal_symbol_d *elem; | |
2292 | for (int m = 0; | |
2293 | VEC_iterate (bound_minimal_symbol_d, ls->minimal_symbols, | |
2294 | m, elem); | |
2295 | ++m) | |
2296 | { | |
2297 | if (MSYMBOL_TYPE (elem->minsym) == mst_text_gnu_ifunc | |
f50776aa | 2298 | || MSYMBOL_TYPE (elem->minsym) == mst_data_gnu_ifunc) |
76af0f26 | 2299 | { |
f50776aa PA |
2300 | CORE_ADDR msym_addr = BMSYMBOL_VALUE_ADDRESS (*elem); |
2301 | if (MSYMBOL_TYPE (elem->minsym) == mst_data_gnu_ifunc) | |
2302 | { | |
2303 | struct gdbarch *gdbarch | |
2304 | = get_objfile_arch (elem->objfile); | |
2305 | msym_addr | |
2306 | = (gdbarch_convert_from_func_ptr_addr | |
2307 | (gdbarch, | |
2308 | msym_addr, | |
8b88a78e | 2309 | current_top_target ())); |
f50776aa PA |
2310 | } |
2311 | ||
2312 | if (msym_addr == addr) | |
2313 | { | |
2314 | found_ifunc = true; | |
2315 | break; | |
2316 | } | |
76af0f26 PA |
2317 | } |
2318 | } | |
2319 | } | |
2320 | ||
2321 | if (!found_ifunc) | |
2322 | { | |
2323 | symtab_and_line sal; | |
2324 | if (symbol_to_sal (&sal, state->funfirstline, sym) | |
2325 | && maybe_add_address (state->addr_set, pspace, sal.pc)) | |
2326 | add_sal_to_sals (state, &sals, &sal, | |
2327 | SYMBOL_NATURAL_NAME (sym), 0); | |
2328 | } | |
40e084e1 KS |
2329 | } |
2330 | } | |
2331 | ||
2332 | if (ls->minimal_symbols != NULL) | |
2333 | { | |
76af0f26 | 2334 | /* Sort minimal symbols by program space, too */ |
f60e2d5c TT |
2335 | qsort (VEC_address (bound_minimal_symbol_d, ls->minimal_symbols), |
2336 | VEC_length (bound_minimal_symbol_d, ls->minimal_symbols), | |
2337 | sizeof (bound_minimal_symbol_d), compare_msymbols); | |
40e084e1 | 2338 | |
76af0f26 PA |
2339 | bound_minimal_symbol_d *elem; |
2340 | ||
2341 | for (int i = 0; | |
f60e2d5c TT |
2342 | VEC_iterate (bound_minimal_symbol_d, ls->minimal_symbols, |
2343 | i, elem); | |
40e084e1 KS |
2344 | ++i) |
2345 | { | |
76af0f26 | 2346 | program_space *pspace = elem->objfile->pspace; |
40e084e1 KS |
2347 | set_current_program_space (pspace); |
2348 | minsym_found (state, elem->objfile, elem->minsym, &sals); | |
2349 | } | |
2350 | } | |
2351 | } | |
67994074 | 2352 | else if (ls->explicit_loc.line_offset.sign != LINE_OFFSET_UNKNOWN) |
40e084e1 KS |
2353 | { |
2354 | /* Only an offset was specified. */ | |
2355 | sals = create_sals_line_offset (state, ls); | |
2356 | ||
2357 | /* Make sure we have a filename for canonicalization. */ | |
67994074 | 2358 | if (ls->explicit_loc.source_filename == NULL) |
05cba821 JK |
2359 | { |
2360 | const char *fullname = symtab_to_fullname (state->default_symtab); | |
2361 | ||
e93ba630 JK |
2362 | /* It may be more appropriate to keep DEFAULT_SYMTAB in its symtab |
2363 | form so that displaying SOURCE_FILENAME can follow the current | |
2364 | FILENAME_DISPLAY_STRING setting. But as it is used only rarely | |
2365 | it has been kept for code simplicity only in absolute form. */ | |
67994074 | 2366 | ls->explicit_loc.source_filename = xstrdup (fullname); |
05cba821 | 2367 | } |
40e084e1 KS |
2368 | } |
2369 | else | |
2370 | { | |
2371 | /* We haven't found any results... */ | |
2372 | return sals; | |
2373 | } | |
2374 | ||
2375 | canonicalize_linespec (state, ls); | |
2376 | ||
6c5b2ebe | 2377 | if (!sals.empty () && state->canonical != NULL) |
40e084e1 KS |
2378 | state->canonical->pre_expanded = 1; |
2379 | ||
2380 | return sals; | |
2381 | } | |
50641945 | 2382 | |
a2459270 PA |
2383 | /* Build RESULT from the explicit location components SOURCE_FILENAME, |
2384 | FUNCTION_NAME, LABEL_NAME and LINE_OFFSET. */ | |
00e52e53 | 2385 | |
a2459270 PA |
2386 | static void |
2387 | convert_explicit_location_to_linespec (struct linespec_state *self, | |
2388 | linespec_p result, | |
2389 | const char *source_filename, | |
2390 | const char *function_name, | |
a20714ff | 2391 | symbol_name_match_type fname_match_type, |
a2459270 PA |
2392 | const char *label_name, |
2393 | struct line_offset line_offset) | |
00e52e53 KS |
2394 | { |
2395 | VEC (symbolp) *symbols, *labels; | |
2396 | VEC (bound_minimal_symbol_d) *minimal_symbols; | |
2397 | ||
a20714ff PA |
2398 | result->explicit_loc.func_name_match_type = fname_match_type; |
2399 | ||
a2459270 | 2400 | if (source_filename != NULL) |
00e52e53 KS |
2401 | { |
2402 | TRY | |
2403 | { | |
2404 | result->file_symtabs | |
2a908241 KS |
2405 | = symtabs_from_filename (source_filename, |
2406 | self->search_pspace).release (); | |
00e52e53 KS |
2407 | } |
2408 | CATCH (except, RETURN_MASK_ERROR) | |
2409 | { | |
a2459270 | 2410 | source_file_not_found_error (source_filename); |
00e52e53 KS |
2411 | } |
2412 | END_CATCH | |
a2459270 | 2413 | result->explicit_loc.source_filename = xstrdup (source_filename); |
00e52e53 KS |
2414 | } |
2415 | else | |
2416 | { | |
2417 | /* A NULL entry means to use the default symtab. */ | |
2a908241 | 2418 | result->file_symtabs->push_back (nullptr); |
00e52e53 KS |
2419 | } |
2420 | ||
a2459270 | 2421 | if (function_name != NULL) |
00e52e53 KS |
2422 | { |
2423 | find_linespec_symbols (self, result->file_symtabs, | |
a20714ff PA |
2424 | function_name, fname_match_type, |
2425 | &symbols, &minimal_symbols); | |
00e52e53 KS |
2426 | |
2427 | if (symbols == NULL && minimal_symbols == NULL) | |
a2459270 | 2428 | symbol_not_found_error (function_name, |
67994074 | 2429 | result->explicit_loc.source_filename); |
00e52e53 | 2430 | |
a2459270 | 2431 | result->explicit_loc.function_name = xstrdup (function_name); |
00e52e53 KS |
2432 | result->function_symbols = symbols; |
2433 | result->minimal_symbols = minimal_symbols; | |
2434 | } | |
2435 | ||
a2459270 | 2436 | if (label_name != NULL) |
00e52e53 KS |
2437 | { |
2438 | symbols = NULL; | |
2439 | labels = find_label_symbols (self, result->function_symbols, | |
a2459270 | 2440 | &symbols, label_name); |
00e52e53 KS |
2441 | |
2442 | if (labels == NULL) | |
67994074 | 2443 | undefined_label_error (result->explicit_loc.function_name, |
a2459270 | 2444 | label_name); |
00e52e53 | 2445 | |
a2459270 | 2446 | result->explicit_loc.label_name = xstrdup (label_name); |
00e52e53 KS |
2447 | result->labels.label_symbols = labels; |
2448 | result->labels.function_symbols = symbols; | |
2449 | } | |
2450 | ||
a2459270 PA |
2451 | if (line_offset.sign != LINE_OFFSET_UNKNOWN) |
2452 | result->explicit_loc.line_offset = line_offset; | |
2453 | } | |
00e52e53 | 2454 | |
a2459270 PA |
2455 | /* Convert the explicit location EXPLICIT_LOC into SaLs. */ |
2456 | ||
6c5b2ebe | 2457 | static std::vector<symtab_and_line> |
a2459270 PA |
2458 | convert_explicit_location_to_sals (struct linespec_state *self, |
2459 | linespec_p result, | |
2460 | const struct explicit_location *explicit_loc) | |
2461 | { | |
2462 | convert_explicit_location_to_linespec (self, result, | |
2463 | explicit_loc->source_filename, | |
2464 | explicit_loc->function_name, | |
a20714ff | 2465 | explicit_loc->func_name_match_type, |
a2459270 PA |
2466 | explicit_loc->label_name, |
2467 | explicit_loc->line_offset); | |
2468 | return convert_linespec_to_sals (self, result); | |
00e52e53 KS |
2469 | } |
2470 | ||
40e084e1 | 2471 | /* Parse a string that specifies a linespec. |
50641945 | 2472 | |
40e084e1 | 2473 | The basic grammar of linespecs: |
50641945 | 2474 | |
a06efdd6 | 2475 | linespec -> var_spec | basic_spec |
40e084e1 | 2476 | var_spec -> '$' (STRING | NUMBER) |
50641945 | 2477 | |
40e084e1 KS |
2478 | basic_spec -> file_offset_spec | function_spec | label_spec |
2479 | file_offset_spec -> opt_file_spec offset_spec | |
2480 | function_spec -> opt_file_spec function_name_spec opt_label_spec | |
2481 | label_spec -> label_name_spec | |
50641945 | 2482 | |
40e084e1 KS |
2483 | opt_file_spec -> "" | file_name_spec ':' |
2484 | opt_label_spec -> "" | ':' label_name_spec | |
2485 | ||
2486 | file_name_spec -> STRING | |
2487 | function_name_spec -> STRING | |
2488 | label_name_spec -> STRING | |
2489 | function_name_spec -> STRING | |
2490 | offset_spec -> NUMBER | |
2491 | -> '+' NUMBER | |
2492 | -> '-' NUMBER | |
2493 | ||
2494 | This may all be followed by several keywords such as "if EXPR", | |
2495 | which we ignore. | |
2496 | ||
2497 | A comma will terminate parsing. | |
2498 | ||
2499 | The function may be an undebuggable function found in minimal symbol table. | |
50641945 FN |
2500 | |
2501 | If the argument FUNFIRSTLINE is nonzero, we want the first line | |
2502 | of real code inside a function when a function is specified, and it is | |
2503 | not OK to specify a variable or type to get its line number. | |
2504 | ||
2505 | DEFAULT_SYMTAB specifies the file to use if none is specified. | |
2506 | It defaults to current_source_symtab. | |
2507 | DEFAULT_LINE specifies the line number to use for relative | |
2508 | line numbers (that start with signs). Defaults to current_source_line. | |
2509 | If CANONICAL is non-NULL, store an array of strings containing the canonical | |
1777feb0 | 2510 | line specs there if necessary. Currently overloaded member functions and |
50641945 | 2511 | line numbers or static functions without a filename yield a canonical |
1777feb0 | 2512 | line spec. The array and the line spec strings are allocated on the heap, |
50641945 FN |
2513 | it is the callers responsibility to free them. |
2514 | ||
2515 | Note that it is possible to return zero for the symtab | |
2516 | if no file is validly specified. Callers must check that. | |
58438ac1 | 2517 | Also, the line number returned may be invalid. */ |
50641945 | 2518 | |
a20714ff PA |
2519 | /* Parse the linespec in ARG. MATCH_TYPE indicates how function names |
2520 | should be matched. */ | |
50641945 | 2521 | |
6c5b2ebe | 2522 | static std::vector<symtab_and_line> |
a20714ff PA |
2523 | parse_linespec (linespec_parser *parser, const char *arg, |
2524 | symbol_name_match_type match_type) | |
50641945 | 2525 | { |
40e084e1 | 2526 | linespec_token token; |
7556d4a4 | 2527 | struct gdb_exception file_exception = exception_none; |
40e084e1 KS |
2528 | |
2529 | /* A special case to start. It has become quite popular for | |
2530 | IDEs to work around bugs in the previous parser by quoting | |
2531 | the entire linespec, so we attempt to deal with this nicely. */ | |
2532 | parser->is_quote_enclosed = 0; | |
c45ec17c PA |
2533 | if (parser->completion_tracker == NULL |
2534 | && !is_ada_operator (arg) | |
f00aae0f | 2535 | && strchr (linespec_quote_characters, *arg) != NULL) |
40e084e1 KS |
2536 | { |
2537 | const char *end; | |
9ef07c8c | 2538 | |
f00aae0f | 2539 | end = skip_quote_char (arg + 1, *arg); |
40e084e1 | 2540 | if (end != NULL && is_closing_quote_enclosed (end)) |
136e1c30 | 2541 | { |
f00aae0f | 2542 | /* Here's the special case. Skip ARG past the initial |
40e084e1 | 2543 | quote. */ |
f00aae0f | 2544 | ++arg; |
40e084e1 | 2545 | parser->is_quote_enclosed = 1; |
136e1c30 DE |
2546 | } |
2547 | } | |
e8eb7bc5 | 2548 | |
f00aae0f KS |
2549 | parser->lexer.saved_arg = arg; |
2550 | parser->lexer.stream = arg; | |
c45ec17c PA |
2551 | parser->completion_word = arg; |
2552 | parser->complete_what = linespec_complete_what::FUNCTION; | |
a20714ff | 2553 | PARSER_EXPLICIT (parser)->func_name_match_type = match_type; |
d2630e69 | 2554 | |
40e084e1 KS |
2555 | /* Initialize the default symtab and line offset. */ |
2556 | initialize_defaults (&PARSER_STATE (parser)->default_symtab, | |
2557 | &PARSER_STATE (parser)->default_line); | |
d2630e69 | 2558 | |
40e084e1 | 2559 | /* Objective-C shortcut. */ |
c45ec17c PA |
2560 | if (parser->completion_tracker == NULL) |
2561 | { | |
6c5b2ebe PA |
2562 | std::vector<symtab_and_line> values |
2563 | = decode_objc (PARSER_STATE (parser), PARSER_RESULT (parser), arg); | |
2564 | if (!values.empty ()) | |
c45ec17c PA |
2565 | return values; |
2566 | } | |
2567 | else | |
2568 | { | |
2569 | /* "-"/"+" is either an objc selector, or a number. There's | |
2570 | nothing to complete the latter to, so just let the caller | |
2571 | complete on functions, which finds objc selectors, if there's | |
2572 | any. */ | |
2573 | if ((arg[0] == '-' || arg[0] == '+') && arg[1] == '\0') | |
2574 | return {}; | |
2575 | } | |
e0881a8e | 2576 | |
40e084e1 | 2577 | /* Start parsing. */ |
d2630e69 | 2578 | |
40e084e1 | 2579 | /* Get the first token. */ |
c45ec17c | 2580 | token = linespec_lexer_consume_token (parser); |
50641945 | 2581 | |
40e084e1 | 2582 | /* It must be either LSTOKEN_STRING or LSTOKEN_NUMBER. */ |
a06efdd6 | 2583 | if (token.type == LSTOKEN_STRING && *LS_TOKEN_STOKEN (token).ptr == '$') |
40e084e1 | 2584 | { |
40e084e1 | 2585 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
c45ec17c | 2586 | if (parser->completion_tracker == NULL) |
2a908241 | 2587 | PARSER_RESULT (parser)->file_symtabs->push_back (nullptr); |
dcf9f4ab | 2588 | |
40e084e1 | 2589 | /* User specified a convenience variable or history value. */ |
a5b5adf5 | 2590 | gdb::unique_xmalloc_ptr<char> var = copy_token_string (token); |
00e52e53 | 2591 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 2592 | = linespec_parse_variable (PARSER_STATE (parser), var.get ()); |
f8eba3c6 | 2593 | |
40e084e1 KS |
2594 | /* If a line_offset wasn't found (VAR is the name of a user |
2595 | variable/function), then skip to normal symbol processing. */ | |
00e52e53 | 2596 | if (PARSER_EXPLICIT (parser)->line_offset.sign != LINE_OFFSET_UNKNOWN) |
40e084e1 | 2597 | { |
40e084e1 KS |
2598 | /* Consume this token. */ |
2599 | linespec_lexer_consume_token (parser); | |
dcf9f4ab | 2600 | |
40e084e1 | 2601 | goto convert_to_sals; |
50641945 | 2602 | } |
40e084e1 | 2603 | } |
c45ec17c PA |
2604 | else if (token.type == LSTOKEN_EOI && parser->completion_tracker != NULL) |
2605 | { | |
2606 | /* Let the default linespec_complete_what::FUNCTION kick in. */ | |
2607 | unexpected_linespec_error (parser); | |
2608 | } | |
40e084e1 | 2609 | else if (token.type != LSTOKEN_STRING && token.type != LSTOKEN_NUMBER) |
c45ec17c PA |
2610 | { |
2611 | parser->complete_what = linespec_complete_what::NOTHING; | |
2612 | unexpected_linespec_error (parser); | |
2613 | } | |
50641945 | 2614 | |
40e084e1 KS |
2615 | /* Shortcut: If the next token is not LSTOKEN_COLON, we know that |
2616 | this token cannot represent a filename. */ | |
2617 | token = linespec_lexer_peek_token (parser); | |
0e0b460e | 2618 | |
40e084e1 | 2619 | if (token.type == LSTOKEN_COLON) |
0e0b460e | 2620 | { |
40e084e1 KS |
2621 | /* Get the current token again and extract the filename. */ |
2622 | token = linespec_lexer_lex_one (parser); | |
a5b5adf5 | 2623 | gdb::unique_xmalloc_ptr<char> user_filename = copy_token_string (token); |
50641945 | 2624 | |
40e084e1 | 2625 | /* Check if the input is a filename. */ |
492d29ea | 2626 | TRY |
40e084e1 | 2627 | { |
2a908241 | 2628 | symtab_vector_up r |
a5b5adf5 | 2629 | = symtabs_from_filename (user_filename.get (), |
c2f4122d | 2630 | PARSER_STATE (parser)->search_pspace); |
2a908241 | 2631 | PARSER_RESULT (parser)->file_symtabs = r.release (); |
40e084e1 | 2632 | } |
492d29ea | 2633 | CATCH (ex, RETURN_MASK_ERROR) |
7556d4a4 PA |
2634 | { |
2635 | file_exception = ex; | |
2636 | } | |
492d29ea | 2637 | END_CATCH |
50641945 | 2638 | |
40e084e1 KS |
2639 | if (file_exception.reason >= 0) |
2640 | { | |
2641 | /* Symtabs were found for the file. Record the filename. */ | |
a5b5adf5 | 2642 | PARSER_EXPLICIT (parser)->source_filename = user_filename.release (); |
f8eba3c6 | 2643 | |
40e084e1 KS |
2644 | /* Get the next token. */ |
2645 | token = linespec_lexer_consume_token (parser); | |
50641945 | 2646 | |
40e084e1 KS |
2647 | /* This is LSTOKEN_COLON; consume it. */ |
2648 | linespec_lexer_consume_token (parser); | |
2649 | } | |
2650 | else | |
2651 | { | |
40e084e1 | 2652 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
2a908241 | 2653 | PARSER_RESULT (parser)->file_symtabs->push_back (nullptr); |
40e084e1 | 2654 | } |
50641945 | 2655 | } |
40e084e1 | 2656 | /* If the next token is not EOI, KEYWORD, or COMMA, issue an error. */ |
c45ec17c PA |
2657 | else if (parser->completion_tracker == NULL |
2658 | && (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD | |
2659 | && token.type != LSTOKEN_COMMA)) | |
d2630e69 | 2660 | { |
40e084e1 KS |
2661 | /* TOKEN is the _next_ token, not the one currently in the parser. |
2662 | Consuming the token will give the correct error message. */ | |
2663 | linespec_lexer_consume_token (parser); | |
2664 | unexpected_linespec_error (parser); | |
d2630e69 | 2665 | } |
50641945 FN |
2666 | else |
2667 | { | |
40e084e1 | 2668 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
2a908241 | 2669 | PARSER_RESULT (parser)->file_symtabs->push_back (nullptr); |
50641945 | 2670 | } |
50641945 | 2671 | |
40e084e1 KS |
2672 | /* Parse the rest of the linespec. */ |
2673 | linespec_parse_basic (parser); | |
50641945 | 2674 | |
c45ec17c PA |
2675 | if (parser->completion_tracker == NULL |
2676 | && PARSER_RESULT (parser)->function_symbols == NULL | |
40e084e1 | 2677 | && PARSER_RESULT (parser)->labels.label_symbols == NULL |
00e52e53 | 2678 | && PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN |
40e084e1 | 2679 | && PARSER_RESULT (parser)->minimal_symbols == NULL) |
f8eba3c6 | 2680 | { |
40e084e1 KS |
2681 | /* The linespec didn't parse. Re-throw the file exception if |
2682 | there was one. */ | |
2683 | if (file_exception.reason < 0) | |
2684 | throw_exception (file_exception); | |
0f5238ed | 2685 | |
40e084e1 | 2686 | /* Otherwise, the symbol is not found. */ |
00e52e53 KS |
2687 | symbol_not_found_error (PARSER_EXPLICIT (parser)->function_name, |
2688 | PARSER_EXPLICIT (parser)->source_filename); | |
0f5238ed TT |
2689 | } |
2690 | ||
40e084e1 | 2691 | convert_to_sals: |
9ef07c8c | 2692 | |
40e084e1 KS |
2693 | /* Get the last token and record how much of the input was parsed, |
2694 | if necessary. */ | |
2695 | token = linespec_lexer_lex_one (parser); | |
2696 | if (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD) | |
c45ec17c PA |
2697 | unexpected_linespec_error (parser); |
2698 | else if (token.type == LSTOKEN_KEYWORD) | |
2699 | { | |
2700 | /* Setup the completion word past the keyword. Lexing never | |
2701 | advances past a keyword automatically, so skip it | |
2702 | manually. */ | |
2703 | parser->completion_word | |
f1735a53 | 2704 | = skip_spaces (skip_to_space (PARSER_STREAM (parser))); |
c45ec17c PA |
2705 | parser->complete_what = linespec_complete_what::EXPRESSION; |
2706 | } | |
50641945 | 2707 | |
40e084e1 | 2708 | /* Convert the data in PARSER_RESULT to SALs. */ |
c45ec17c | 2709 | if (parser->completion_tracker == NULL) |
6c5b2ebe PA |
2710 | return convert_linespec_to_sals (PARSER_STATE (parser), |
2711 | PARSER_RESULT (parser)); | |
f8eba3c6 | 2712 | |
6c5b2ebe | 2713 | return {}; |
413dad4d | 2714 | } |
50641945 | 2715 | |
40e084e1 | 2716 | |
f8eba3c6 | 2717 | /* A constructor for linespec_state. */ |
44fe14ab | 2718 | |
f8eba3c6 TT |
2719 | static void |
2720 | linespec_state_constructor (struct linespec_state *self, | |
40e084e1 | 2721 | int flags, const struct language_defn *language, |
c2f4122d | 2722 | struct program_space *search_pspace, |
f8eba3c6 TT |
2723 | struct symtab *default_symtab, |
2724 | int default_line, | |
2725 | struct linespec_result *canonical) | |
2726 | { | |
2727 | memset (self, 0, sizeof (*self)); | |
40e084e1 | 2728 | self->language = language; |
f8eba3c6 TT |
2729 | self->funfirstline = (flags & DECODE_LINE_FUNFIRSTLINE) ? 1 : 0; |
2730 | self->list_mode = (flags & DECODE_LINE_LIST_MODE) ? 1 : 0; | |
c2f4122d | 2731 | self->search_pspace = search_pspace; |
f8eba3c6 TT |
2732 | self->default_symtab = default_symtab; |
2733 | self->default_line = default_line; | |
2734 | self->canonical = canonical; | |
2735 | self->program_space = current_program_space; | |
2736 | self->addr_set = htab_create_alloc (10, hash_address_entry, eq_address_entry, | |
2737 | xfree, xcalloc, xfree); | |
00e52e53 | 2738 | self->is_linespec = 0; |
f8eba3c6 | 2739 | } |
44fe14ab | 2740 | |
40e084e1 | 2741 | /* Initialize a new linespec parser. */ |
44fe14ab DC |
2742 | |
2743 | static void | |
40e084e1 KS |
2744 | linespec_parser_new (linespec_parser *parser, |
2745 | int flags, const struct language_defn *language, | |
c2f4122d | 2746 | struct program_space *search_pspace, |
40e084e1 KS |
2747 | struct symtab *default_symtab, |
2748 | int default_line, | |
2749 | struct linespec_result *canonical) | |
44fe14ab | 2750 | { |
f00aae0f | 2751 | memset (parser, 0, sizeof (linespec_parser)); |
40e084e1 KS |
2752 | parser->lexer.current.type = LSTOKEN_CONSUMED; |
2753 | memset (PARSER_RESULT (parser), 0, sizeof (struct linespec)); | |
2a908241 | 2754 | PARSER_RESULT (parser)->file_symtabs = new std::vector<symtab *> (); |
a20714ff PA |
2755 | PARSER_EXPLICIT (parser)->func_name_match_type |
2756 | = symbol_name_match_type::WILD; | |
00e52e53 | 2757 | PARSER_EXPLICIT (parser)->line_offset.sign = LINE_OFFSET_UNKNOWN; |
40e084e1 | 2758 | linespec_state_constructor (PARSER_STATE (parser), flags, language, |
c2f4122d | 2759 | search_pspace, |
40e084e1 KS |
2760 | default_symtab, default_line, canonical); |
2761 | } | |
2762 | ||
2763 | /* A destructor for linespec_state. */ | |
44fe14ab | 2764 | |
40e084e1 KS |
2765 | static void |
2766 | linespec_state_destructor (struct linespec_state *self) | |
2767 | { | |
f8eba3c6 TT |
2768 | htab_delete (self->addr_set); |
2769 | } | |
44fe14ab | 2770 | |
40e084e1 KS |
2771 | /* Delete a linespec parser. */ |
2772 | ||
2773 | static void | |
2774 | linespec_parser_delete (void *arg) | |
2775 | { | |
2776 | linespec_parser *parser = (linespec_parser *) arg; | |
2777 | ||
00e52e53 KS |
2778 | xfree (PARSER_EXPLICIT (parser)->source_filename); |
2779 | xfree (PARSER_EXPLICIT (parser)->label_name); | |
2780 | xfree (PARSER_EXPLICIT (parser)->function_name); | |
40e084e1 | 2781 | |
2a908241 | 2782 | delete PARSER_RESULT (parser)->file_symtabs; |
40e084e1 KS |
2783 | |
2784 | if (PARSER_RESULT (parser)->function_symbols != NULL) | |
2785 | VEC_free (symbolp, PARSER_RESULT (parser)->function_symbols); | |
2786 | ||
2787 | if (PARSER_RESULT (parser)->minimal_symbols != NULL) | |
f60e2d5c | 2788 | VEC_free (bound_minimal_symbol_d, PARSER_RESULT (parser)->minimal_symbols); |
40e084e1 KS |
2789 | |
2790 | if (PARSER_RESULT (parser)->labels.label_symbols != NULL) | |
2791 | VEC_free (symbolp, PARSER_RESULT (parser)->labels.label_symbols); | |
2792 | ||
2793 | if (PARSER_RESULT (parser)->labels.function_symbols != NULL) | |
2794 | VEC_free (symbolp, PARSER_RESULT (parser)->labels.function_symbols); | |
2795 | ||
2796 | linespec_state_destructor (PARSER_STATE (parser)); | |
2797 | } | |
2798 | ||
c7c1b3e9 KS |
2799 | /* See description in linespec.h. */ |
2800 | ||
2801 | void | |
f2fc3015 | 2802 | linespec_lex_to_end (const char **stringp) |
c7c1b3e9 KS |
2803 | { |
2804 | linespec_parser parser; | |
2805 | struct cleanup *cleanup; | |
2806 | linespec_token token; | |
c7c1b3e9 KS |
2807 | const char *orig; |
2808 | ||
2809 | if (stringp == NULL || *stringp == NULL) | |
2810 | return; | |
2811 | ||
c2f4122d | 2812 | linespec_parser_new (&parser, 0, current_language, NULL, NULL, 0, NULL); |
c7c1b3e9 KS |
2813 | cleanup = make_cleanup (linespec_parser_delete, &parser); |
2814 | parser.lexer.saved_arg = *stringp; | |
2815 | PARSER_STREAM (&parser) = orig = *stringp; | |
2816 | ||
2817 | do | |
2818 | { | |
2819 | /* Stop before any comma tokens; we need it to keep it | |
2820 | as the next token in the string. */ | |
2821 | token = linespec_lexer_peek_token (&parser); | |
2822 | if (token.type == LSTOKEN_COMMA) | |
2823 | break; | |
c7c1b3e9 KS |
2824 | token = linespec_lexer_consume_token (&parser); |
2825 | } | |
2826 | while (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD); | |
2827 | ||
2828 | *stringp += PARSER_STREAM (&parser) - orig; | |
2829 | do_cleanups (cleanup); | |
2830 | } | |
2831 | ||
c6756f62 PA |
2832 | /* See linespec.h. */ |
2833 | ||
2834 | void | |
2835 | linespec_complete_function (completion_tracker &tracker, | |
2836 | const char *function, | |
a20714ff | 2837 | symbol_name_match_type func_match_type, |
c6756f62 PA |
2838 | const char *source_filename) |
2839 | { | |
2840 | complete_symbol_mode mode = complete_symbol_mode::LINESPEC; | |
2841 | ||
2842 | if (source_filename != NULL) | |
2843 | { | |
b5ec771e PA |
2844 | collect_file_symbol_completion_matches (tracker, mode, func_match_type, |
2845 | function, function, source_filename); | |
c6756f62 PA |
2846 | } |
2847 | else | |
b5ec771e PA |
2848 | { |
2849 | collect_symbol_completion_matches (tracker, mode, func_match_type, | |
2850 | function, function); | |
2851 | ||
2852 | } | |
c6756f62 PA |
2853 | } |
2854 | ||
c45ec17c PA |
2855 | /* Helper for complete_linespec to simplify it. SOURCE_FILENAME is |
2856 | only meaningful if COMPONENT is FUNCTION. */ | |
2857 | ||
2858 | static void | |
2859 | complete_linespec_component (linespec_parser *parser, | |
2860 | completion_tracker &tracker, | |
2861 | const char *text, | |
2862 | linespec_complete_what component, | |
2863 | const char *source_filename) | |
2864 | { | |
2865 | if (component == linespec_complete_what::KEYWORD) | |
2866 | { | |
2867 | complete_on_enum (tracker, linespec_keywords, text, text); | |
2868 | } | |
2869 | else if (component == linespec_complete_what::EXPRESSION) | |
2870 | { | |
2871 | const char *word | |
2872 | = advance_to_expression_complete_word_point (tracker, text); | |
2873 | complete_expression (tracker, text, word); | |
2874 | } | |
2875 | else if (component == linespec_complete_what::FUNCTION) | |
2876 | { | |
2877 | completion_list fn_list; | |
2878 | ||
a20714ff PA |
2879 | symbol_name_match_type match_type |
2880 | = PARSER_EXPLICIT (parser)->func_name_match_type; | |
2881 | linespec_complete_function (tracker, text, match_type, source_filename); | |
c45ec17c PA |
2882 | if (source_filename == NULL) |
2883 | { | |
2884 | /* Haven't seen a source component, like in "b | |
2885 | file.c:function[TAB]". Maybe this wasn't a function, but | |
2886 | a filename instead, like "b file.[TAB]". */ | |
2887 | fn_list = complete_source_filenames (text); | |
2888 | } | |
2889 | ||
2890 | /* If we only have a single filename completion, append a ':' for | |
2891 | the user, since that's the only thing that can usefully follow | |
2892 | the filename. */ | |
2893 | if (fn_list.size () == 1 && !tracker.have_completions ()) | |
2894 | { | |
2895 | char *fn = fn_list[0].release (); | |
2896 | ||
2897 | /* If we also need to append a quote char, it needs to be | |
2898 | appended before the ':'. Append it now, and make ':' the | |
2899 | new "quote" char. */ | |
2900 | if (tracker.quote_char ()) | |
2901 | { | |
896a7aa6 | 2902 | char quote_char_str[2] = { (char) tracker.quote_char () }; |
c45ec17c PA |
2903 | |
2904 | fn = reconcat (fn, fn, quote_char_str, (char *) NULL); | |
2905 | tracker.set_quote_char (':'); | |
2906 | } | |
2907 | else | |
2908 | fn = reconcat (fn, fn, ":", (char *) NULL); | |
2909 | fn_list[0].reset (fn); | |
2910 | ||
2911 | /* Tell readline to skip appending a space. */ | |
2912 | tracker.set_suppress_append_ws (true); | |
2913 | } | |
2914 | tracker.add_completions (std::move (fn_list)); | |
2915 | } | |
2916 | } | |
2917 | ||
a2459270 PA |
2918 | /* Helper for linespec_complete_label. Find labels that match |
2919 | LABEL_NAME in the function symbols listed in the PARSER, and add | |
2920 | them to the tracker. */ | |
2921 | ||
2922 | static void | |
2923 | complete_label (completion_tracker &tracker, | |
2924 | linespec_parser *parser, | |
2925 | const char *label_name) | |
2926 | { | |
2927 | VEC (symbolp) *label_function_symbols = NULL; | |
2928 | VEC (symbolp) *labels | |
2929 | = find_label_symbols (PARSER_STATE (parser), | |
2930 | PARSER_RESULT (parser)->function_symbols, | |
2931 | &label_function_symbols, | |
2932 | label_name, true); | |
2933 | ||
2934 | symbol *label; | |
2935 | for (int ix = 0; | |
2936 | VEC_iterate (symbolp, labels, ix, label); ++ix) | |
2937 | { | |
2938 | char *match = xstrdup (SYMBOL_SEARCH_NAME (label)); | |
2939 | tracker.add_completion (gdb::unique_xmalloc_ptr<char> (match)); | |
2940 | } | |
2941 | VEC_free (symbolp, labels); | |
2942 | } | |
2943 | ||
2944 | /* See linespec.h. */ | |
2945 | ||
2946 | void | |
2947 | linespec_complete_label (completion_tracker &tracker, | |
2948 | const struct language_defn *language, | |
2949 | const char *source_filename, | |
2950 | const char *function_name, | |
a20714ff | 2951 | symbol_name_match_type func_name_match_type, |
a2459270 PA |
2952 | const char *label_name) |
2953 | { | |
2954 | linespec_parser parser; | |
2955 | struct cleanup *cleanup; | |
2956 | ||
2957 | linespec_parser_new (&parser, 0, language, NULL, NULL, 0, NULL); | |
2958 | cleanup = make_cleanup (linespec_parser_delete, &parser); | |
2959 | ||
2960 | line_offset unknown_offset = { 0, LINE_OFFSET_UNKNOWN }; | |
2961 | ||
2962 | TRY | |
2963 | { | |
2964 | convert_explicit_location_to_linespec (PARSER_STATE (&parser), | |
2965 | PARSER_RESULT (&parser), | |
2966 | source_filename, | |
2967 | function_name, | |
a20714ff | 2968 | func_name_match_type, |
a2459270 PA |
2969 | NULL, unknown_offset); |
2970 | } | |
2971 | CATCH (ex, RETURN_MASK_ERROR) | |
2972 | { | |
2973 | do_cleanups (cleanup); | |
2974 | return; | |
2975 | } | |
2976 | END_CATCH | |
2977 | ||
2978 | complete_label (tracker, &parser, label_name); | |
2979 | ||
2980 | do_cleanups (cleanup); | |
2981 | } | |
2982 | ||
c45ec17c PA |
2983 | /* See description in linespec.h. */ |
2984 | ||
2985 | void | |
a20714ff PA |
2986 | linespec_complete (completion_tracker &tracker, const char *text, |
2987 | symbol_name_match_type match_type) | |
c45ec17c PA |
2988 | { |
2989 | linespec_parser parser; | |
2990 | struct cleanup *cleanup; | |
2991 | const char *orig = text; | |
2992 | ||
2993 | linespec_parser_new (&parser, 0, current_language, NULL, NULL, 0, NULL); | |
2994 | cleanup = make_cleanup (linespec_parser_delete, &parser); | |
2995 | parser.lexer.saved_arg = text; | |
a20714ff | 2996 | PARSER_EXPLICIT (&parser)->func_name_match_type = match_type; |
c45ec17c PA |
2997 | PARSER_STREAM (&parser) = text; |
2998 | ||
2999 | parser.completion_tracker = &tracker; | |
3000 | PARSER_STATE (&parser)->is_linespec = 1; | |
3001 | ||
3002 | /* Parse as much as possible. parser.completion_word will hold | |
3003 | furthest completion point we managed to parse to. */ | |
3004 | TRY | |
3005 | { | |
a20714ff | 3006 | parse_linespec (&parser, text, match_type); |
c45ec17c PA |
3007 | } |
3008 | CATCH (except, RETURN_MASK_ERROR) | |
3009 | { | |
3010 | } | |
3011 | END_CATCH | |
3012 | ||
3013 | if (parser.completion_quote_char != '\0' | |
3014 | && parser.completion_quote_end != NULL | |
3015 | && parser.completion_quote_end[1] == '\0') | |
3016 | { | |
3017 | /* If completing a quoted string with the cursor right at | |
3018 | terminating quote char, complete the completion word without | |
3019 | interpretation, so that readline advances the cursor one | |
3020 | whitespace past the quote, even if there's no match. This | |
3021 | makes these cases behave the same: | |
3022 | ||
3023 | before: "b function()" | |
3024 | after: "b function() " | |
3025 | ||
3026 | before: "b 'function()'" | |
3027 | after: "b 'function()' " | |
3028 | ||
3029 | and trusts the user in this case: | |
3030 | ||
3031 | before: "b 'not_loaded_function_yet()'" | |
3032 | after: "b 'not_loaded_function_yet()' " | |
3033 | */ | |
3034 | parser.complete_what = linespec_complete_what::NOTHING; | |
3035 | parser.completion_quote_char = '\0'; | |
3036 | ||
3037 | gdb::unique_xmalloc_ptr<char> text_copy | |
3038 | (xstrdup (parser.completion_word)); | |
3039 | tracker.add_completion (std::move (text_copy)); | |
3040 | } | |
3041 | ||
3042 | tracker.set_quote_char (parser.completion_quote_char); | |
3043 | ||
3044 | if (parser.complete_what == linespec_complete_what::LABEL) | |
3045 | { | |
3046 | parser.complete_what = linespec_complete_what::NOTHING; | |
3047 | ||
3048 | const char *func_name = PARSER_EXPLICIT (&parser)->function_name; | |
3049 | ||
3050 | VEC (symbolp) *function_symbols; | |
3051 | VEC (bound_minimal_symbol_d) *minimal_symbols; | |
3052 | find_linespec_symbols (PARSER_STATE (&parser), | |
3053 | PARSER_RESULT (&parser)->file_symtabs, | |
a20714ff | 3054 | func_name, match_type, |
c45ec17c PA |
3055 | &function_symbols, &minimal_symbols); |
3056 | ||
3057 | PARSER_RESULT (&parser)->function_symbols = function_symbols; | |
3058 | PARSER_RESULT (&parser)->minimal_symbols = minimal_symbols; | |
3059 | ||
3060 | complete_label (tracker, &parser, parser.completion_word); | |
3061 | } | |
3062 | else if (parser.complete_what == linespec_complete_what::FUNCTION) | |
3063 | { | |
3064 | /* While parsing/lexing, we didn't know whether the completion | |
3065 | word completes to a unique function/source name already or | |
3066 | not. | |
3067 | ||
3068 | E.g.: | |
3069 | "b function() <tab>" | |
3070 | may need to complete either to: | |
3071 | "b function() const" | |
3072 | or to: | |
3073 | "b function() if/thread/task" | |
3074 | ||
3075 | Or, this: | |
3076 | "b foo t" | |
3077 | may need to complete either to: | |
3078 | "b foo template_fun<T>()" | |
3079 | with "foo" being the template function's return type, or to: | |
3080 | "b foo thread/task" | |
3081 | ||
3082 | Or, this: | |
3083 | "b file<TAB>" | |
3084 | may need to complete either to a source file name: | |
3085 | "b file.c" | |
3086 | or this, also a filename, but a unique completion: | |
3087 | "b file.c:" | |
3088 | or to a function name: | |
3089 | "b file_function" | |
3090 | ||
3091 | Address that by completing assuming source or function, and | |
3092 | seeing if we find a completion that matches exactly the | |
3093 | completion word. If so, then it must be a function (see note | |
3094 | below) and we advance the completion word to the end of input | |
3095 | and switch to KEYWORD completion mode. | |
3096 | ||
3097 | Note: if we find a unique completion for a source filename, | |
3098 | then it won't match the completion word, because the LCD will | |
3099 | contain a trailing ':'. And if we're completing at or after | |
3100 | the ':', then complete_linespec_component won't try to | |
3101 | complete on source filenames. */ | |
3102 | ||
c45ec17c PA |
3103 | const char *word = parser.completion_word; |
3104 | ||
3105 | complete_linespec_component (&parser, tracker, | |
3106 | parser.completion_word, | |
3107 | linespec_complete_what::FUNCTION, | |
3108 | PARSER_EXPLICIT (&parser)->source_filename); | |
3109 | ||
3110 | parser.complete_what = linespec_complete_what::NOTHING; | |
3111 | ||
3112 | if (tracker.quote_char ()) | |
3113 | { | |
3114 | /* The function/file name was not close-quoted, so this | |
3115 | can't be a keyword. Note: complete_linespec_component | |
3116 | may have swapped the original quote char for ':' when we | |
3117 | get here, but that still indicates the same. */ | |
3118 | } | |
3119 | else if (!tracker.have_completions ()) | |
3120 | { | |
3121 | size_t key_start; | |
3122 | size_t wordlen = strlen (parser.completion_word); | |
3123 | ||
3124 | key_start | |
3125 | = string_find_incomplete_keyword_at_end (linespec_keywords, | |
3126 | parser.completion_word, | |
3127 | wordlen); | |
3128 | ||
3129 | if (key_start != -1 | |
3130 | || (wordlen > 0 | |
3131 | && parser.completion_word[wordlen - 1] == ' ')) | |
3132 | { | |
3133 | parser.completion_word += key_start; | |
3134 | parser.complete_what = linespec_complete_what::KEYWORD; | |
3135 | } | |
3136 | } | |
3137 | else if (tracker.completes_to_completion_word (word)) | |
3138 | { | |
3139 | /* Skip the function and complete on keywords. */ | |
3140 | parser.completion_word += strlen (word); | |
3141 | parser.complete_what = linespec_complete_what::KEYWORD; | |
3142 | tracker.discard_completions (); | |
3143 | } | |
3144 | } | |
3145 | ||
3146 | tracker.advance_custom_word_point_by (parser.completion_word - orig); | |
3147 | ||
3148 | complete_linespec_component (&parser, tracker, | |
3149 | parser.completion_word, | |
3150 | parser.complete_what, | |
3151 | PARSER_EXPLICIT (&parser)->source_filename); | |
3152 | ||
3153 | /* If we're past the "filename:function:label:offset" linespec, and | |
3154 | didn't find any match, then assume the user might want to create | |
3155 | a pending breakpoint anyway and offer the keyword | |
3156 | completions. */ | |
3157 | if (!parser.completion_quote_char | |
3158 | && (parser.complete_what == linespec_complete_what::FUNCTION | |
3159 | || parser.complete_what == linespec_complete_what::LABEL | |
3160 | || parser.complete_what == linespec_complete_what::NOTHING) | |
3161 | && !tracker.have_completions ()) | |
3162 | { | |
3163 | const char *end | |
3164 | = parser.completion_word + strlen (parser.completion_word); | |
3165 | ||
3166 | if (end > orig && end[-1] == ' ') | |
3167 | { | |
3168 | tracker.advance_custom_word_point_by (end - parser.completion_word); | |
3169 | ||
3170 | complete_linespec_component (&parser, tracker, end, | |
3171 | linespec_complete_what::KEYWORD, | |
3172 | NULL); | |
3173 | } | |
3174 | } | |
3175 | ||
3176 | do_cleanups (cleanup); | |
3177 | } | |
3178 | ||
f00aae0f | 3179 | /* A helper function for decode_line_full and decode_line_1 to |
6c5b2ebe | 3180 | turn LOCATION into std::vector<symtab_and_line>. */ |
f00aae0f | 3181 | |
6c5b2ebe | 3182 | static std::vector<symtab_and_line> |
f00aae0f KS |
3183 | event_location_to_sals (linespec_parser *parser, |
3184 | const struct event_location *location) | |
3185 | { | |
6c5b2ebe | 3186 | std::vector<symtab_and_line> result; |
f00aae0f KS |
3187 | |
3188 | switch (event_location_type (location)) | |
3189 | { | |
3190 | case LINESPEC_LOCATION: | |
3191 | { | |
00e52e53 | 3192 | PARSER_STATE (parser)->is_linespec = 1; |
f00aae0f KS |
3193 | TRY |
3194 | { | |
a20714ff PA |
3195 | const linespec_location *ls = get_linespec_location (location); |
3196 | result = parse_linespec (parser, | |
3197 | ls->spec_string, ls->match_type); | |
f00aae0f KS |
3198 | } |
3199 | CATCH (except, RETURN_MASK_ERROR) | |
3200 | { | |
3201 | throw_exception (except); | |
3202 | } | |
3203 | END_CATCH | |
3204 | } | |
3205 | break; | |
3206 | ||
a06efdd6 | 3207 | case ADDRESS_LOCATION: |
305e13e6 JB |
3208 | { |
3209 | const char *addr_string = get_address_string_location (location); | |
3210 | CORE_ADDR addr = get_address_location (location); | |
3211 | ||
3212 | if (addr_string != NULL) | |
3213 | { | |
9be2c17a | 3214 | addr = linespec_expression_to_pc (&addr_string); |
305e13e6 JB |
3215 | if (PARSER_STATE (parser)->canonical != NULL) |
3216 | PARSER_STATE (parser)->canonical->location | |
8e9e35b1 | 3217 | = copy_event_location (location); |
305e13e6 JB |
3218 | } |
3219 | ||
3220 | result = convert_address_location_to_sals (PARSER_STATE (parser), | |
3221 | addr); | |
3222 | } | |
a06efdd6 KS |
3223 | break; |
3224 | ||
00e52e53 KS |
3225 | case EXPLICIT_LOCATION: |
3226 | { | |
67994074 | 3227 | const struct explicit_location *explicit_loc; |
00e52e53 | 3228 | |
67994074 | 3229 | explicit_loc = get_explicit_location_const (location); |
00e52e53 KS |
3230 | result = convert_explicit_location_to_sals (PARSER_STATE (parser), |
3231 | PARSER_RESULT (parser), | |
67994074 | 3232 | explicit_loc); |
00e52e53 KS |
3233 | } |
3234 | break; | |
3235 | ||
5b56227b KS |
3236 | case PROBE_LOCATION: |
3237 | /* Probes are handled by their own decoders. */ | |
3238 | gdb_assert_not_reached ("attempt to decode probe location"); | |
3239 | break; | |
3240 | ||
f00aae0f KS |
3241 | default: |
3242 | gdb_assert_not_reached ("unhandled event location type"); | |
3243 | } | |
3244 | ||
3245 | return result; | |
3246 | } | |
3247 | ||
f8eba3c6 | 3248 | /* See linespec.h. */ |
44fe14ab | 3249 | |
f8eba3c6 | 3250 | void |
f00aae0f | 3251 | decode_line_full (const struct event_location *location, int flags, |
c2f4122d | 3252 | struct program_space *search_pspace, |
f8eba3c6 TT |
3253 | struct symtab *default_symtab, |
3254 | int default_line, struct linespec_result *canonical, | |
3255 | const char *select_mode, | |
3256 | const char *filter) | |
44fe14ab | 3257 | { |
f8eba3c6 | 3258 | struct cleanup *cleanups; |
f73c6ece | 3259 | std::vector<const char *> filters; |
40e084e1 KS |
3260 | linespec_parser parser; |
3261 | struct linespec_state *state; | |
f8eba3c6 TT |
3262 | |
3263 | gdb_assert (canonical != NULL); | |
3264 | /* The filter only makes sense for 'all'. */ | |
3265 | gdb_assert (filter == NULL || select_mode == multiple_symbols_all); | |
3266 | gdb_assert (select_mode == NULL | |
3267 | || select_mode == multiple_symbols_all | |
3268 | || select_mode == multiple_symbols_ask | |
3269 | || select_mode == multiple_symbols_cancel); | |
3270 | gdb_assert ((flags & DECODE_LINE_LIST_MODE) == 0); | |
3271 | ||
c2f4122d PA |
3272 | linespec_parser_new (&parser, flags, current_language, |
3273 | search_pspace, default_symtab, | |
40e084e1 KS |
3274 | default_line, canonical); |
3275 | cleanups = make_cleanup (linespec_parser_delete, &parser); | |
5ed8105e PA |
3276 | |
3277 | scoped_restore_current_program_space restore_pspace; | |
f8eba3c6 | 3278 | |
6c5b2ebe PA |
3279 | std::vector<symtab_and_line> result = event_location_to_sals (&parser, |
3280 | location); | |
40e084e1 | 3281 | state = PARSER_STATE (&parser); |
f8eba3c6 | 3282 | |
6c5b2ebe | 3283 | gdb_assert (result.size () == 1 || canonical->pre_expanded); |
f8eba3c6 TT |
3284 | canonical->pre_expanded = 1; |
3285 | ||
66f1999b | 3286 | /* Arrange for allocated canonical names to be freed. */ |
6c5b2ebe | 3287 | if (!result.empty ()) |
f8eba3c6 TT |
3288 | { |
3289 | int i; | |
3290 | ||
40e084e1 | 3291 | make_cleanup (xfree, state->canonical_names); |
6c5b2ebe | 3292 | for (i = 0; i < result.size (); ++i) |
f8eba3c6 | 3293 | { |
33f448b1 JK |
3294 | gdb_assert (state->canonical_names[i].suffix != NULL); |
3295 | make_cleanup (xfree, state->canonical_names[i].suffix); | |
f8eba3c6 TT |
3296 | } |
3297 | } | |
3298 | ||
3299 | if (select_mode == NULL) | |
3300 | { | |
29f94340 | 3301 | if (top_level_interpreter ()->interp_ui_out ()->is_mi_like_p ()) |
f8eba3c6 TT |
3302 | select_mode = multiple_symbols_all; |
3303 | else | |
3304 | select_mode = multiple_symbols_select_mode (); | |
3305 | } | |
3306 | ||
3307 | if (select_mode == multiple_symbols_all) | |
3308 | { | |
3309 | if (filter != NULL) | |
3310 | { | |
f73c6ece | 3311 | filters.push_back (filter); |
40e084e1 | 3312 | filter_results (state, &result, filters); |
f8eba3c6 TT |
3313 | } |
3314 | else | |
40e084e1 | 3315 | convert_results_to_lsals (state, &result); |
f8eba3c6 TT |
3316 | } |
3317 | else | |
40e084e1 | 3318 | decode_line_2 (state, &result, select_mode); |
f8eba3c6 TT |
3319 | |
3320 | do_cleanups (cleanups); | |
3321 | } | |
3322 | ||
39cf75f7 DE |
3323 | /* See linespec.h. */ |
3324 | ||
6c5b2ebe | 3325 | std::vector<symtab_and_line> |
f00aae0f | 3326 | decode_line_1 (const struct event_location *location, int flags, |
c2f4122d | 3327 | struct program_space *search_pspace, |
f8eba3c6 TT |
3328 | struct symtab *default_symtab, |
3329 | int default_line) | |
3330 | { | |
40e084e1 | 3331 | linespec_parser parser; |
f8eba3c6 TT |
3332 | struct cleanup *cleanups; |
3333 | ||
c2f4122d PA |
3334 | linespec_parser_new (&parser, flags, current_language, |
3335 | search_pspace, default_symtab, | |
40e084e1 KS |
3336 | default_line, NULL); |
3337 | cleanups = make_cleanup (linespec_parser_delete, &parser); | |
5ed8105e PA |
3338 | |
3339 | scoped_restore_current_program_space restore_pspace; | |
f8eba3c6 | 3340 | |
6c5b2ebe PA |
3341 | std::vector<symtab_and_line> result = event_location_to_sals (&parser, |
3342 | location); | |
40e084e1 | 3343 | |
f8eba3c6 TT |
3344 | do_cleanups (cleanups); |
3345 | return result; | |
3346 | } | |
3347 | ||
39cf75f7 DE |
3348 | /* See linespec.h. */ |
3349 | ||
6c5b2ebe | 3350 | std::vector<symtab_and_line> |
f2fc3015 | 3351 | decode_line_with_current_source (const char *string, int flags) |
39cf75f7 | 3352 | { |
39cf75f7 DE |
3353 | if (string == 0) |
3354 | error (_("Empty line specification.")); | |
3355 | ||
3356 | /* We use whatever is set as the current source line. We do not try | |
3357 | and get a default source symtab+line or it will recursively call us! */ | |
6c5b2ebe | 3358 | symtab_and_line cursal = get_current_source_symtab_and_line (); |
39cf75f7 | 3359 | |
ffc2605c TT |
3360 | event_location_up location = string_to_event_location (&string, |
3361 | current_language); | |
6c5b2ebe PA |
3362 | std::vector<symtab_and_line> sals |
3363 | = decode_line_1 (location.get (), flags, NULL, cursal.symtab, cursal.line); | |
39cf75f7 DE |
3364 | |
3365 | if (*string) | |
3366 | error (_("Junk at end of line specification: %s"), string); | |
f00aae0f | 3367 | |
39cf75f7 DE |
3368 | return sals; |
3369 | } | |
3370 | ||
3371 | /* See linespec.h. */ | |
3372 | ||
6c5b2ebe | 3373 | std::vector<symtab_and_line> |
f2fc3015 | 3374 | decode_line_with_last_displayed (const char *string, int flags) |
39cf75f7 | 3375 | { |
39cf75f7 DE |
3376 | if (string == 0) |
3377 | error (_("Empty line specification.")); | |
3378 | ||
ffc2605c TT |
3379 | event_location_up location = string_to_event_location (&string, |
3380 | current_language); | |
6c5b2ebe PA |
3381 | std::vector<symtab_and_line> sals |
3382 | = (last_displayed_sal_is_valid () | |
3383 | ? decode_line_1 (location.get (), flags, NULL, | |
3384 | get_last_displayed_symtab (), | |
3385 | get_last_displayed_line ()) | |
3386 | : decode_line_1 (location.get (), flags, NULL, | |
3387 | (struct symtab *) NULL, 0)); | |
39cf75f7 DE |
3388 | |
3389 | if (*string) | |
3390 | error (_("Junk at end of line specification: %s"), string); | |
f00aae0f | 3391 | |
39cf75f7 DE |
3392 | return sals; |
3393 | } | |
3394 | ||
f8eba3c6 TT |
3395 | \f |
3396 | ||
3397 | /* First, some functions to initialize stuff at the beggining of the | |
3398 | function. */ | |
3399 | ||
3400 | static void | |
3401 | initialize_defaults (struct symtab **default_symtab, int *default_line) | |
3402 | { | |
3403 | if (*default_symtab == 0) | |
3404 | { | |
3405 | /* Use whatever we have for the default source line. We don't use | |
3406 | get_current_or_default_symtab_and_line as it can recurse and call | |
3407 | us back! */ | |
3408 | struct symtab_and_line cursal = | |
3409 | get_current_source_symtab_and_line (); | |
3410 | ||
3411 | *default_symtab = cursal.symtab; | |
3412 | *default_line = cursal.line; | |
3413 | } | |
3414 | } | |
3415 | ||
3416 | \f | |
3417 | ||
40e084e1 KS |
3418 | /* Evaluate the expression pointed to by EXP_PTR into a CORE_ADDR, |
3419 | advancing EXP_PTR past any parsed text. */ | |
f8eba3c6 | 3420 | |
a06efdd6 | 3421 | CORE_ADDR |
bbc13ae3 | 3422 | linespec_expression_to_pc (const char **exp_ptr) |
f8eba3c6 | 3423 | { |
f8eba3c6 TT |
3424 | if (current_program_space->executing_startup) |
3425 | /* The error message doesn't really matter, because this case | |
3426 | should only hit during breakpoint reset. */ | |
3427 | throw_error (NOT_FOUND_ERROR, _("cannot evaluate expressions while " | |
3428 | "program space is in startup")); | |
3429 | ||
40e084e1 KS |
3430 | (*exp_ptr)++; |
3431 | return value_as_address (parse_to_comma_and_eval (exp_ptr)); | |
0960f083 DC |
3432 | } |
3433 | ||
3434 | \f | |
3435 | ||
d2630e69 AF |
3436 | /* Here's where we recognise an Objective-C Selector. An Objective C |
3437 | selector may be implemented by more than one class, therefore it | |
3438 | may represent more than one method/function. This gives us a | |
3439 | situation somewhat analogous to C++ overloading. If there's more | |
3440 | than one method that could represent the selector, then use some of | |
3441 | the existing C++ code to let the user choose one. */ | |
3442 | ||
6c5b2ebe | 3443 | static std::vector<symtab_and_line> |
f00aae0f | 3444 | decode_objc (struct linespec_state *self, linespec_p ls, const char *arg) |
d2630e69 | 3445 | { |
f8eba3c6 | 3446 | struct collect_info info; |
9b2f8581 | 3447 | std::vector<const char *> symbol_names; |
d7561cbb | 3448 | const char *new_argptr; |
f8eba3c6 TT |
3449 | |
3450 | info.state = self; | |
2a908241 KS |
3451 | std::vector<symtab *> symtabs; |
3452 | symtabs.push_back (nullptr); | |
3453 | ||
3454 | info.file_symtabs = &symtabs; | |
40e084e1 KS |
3455 | info.result.symbols = NULL; |
3456 | info.result.minimal_symbols = NULL; | |
f8eba3c6 | 3457 | |
f00aae0f | 3458 | new_argptr = find_imps (arg, &symbol_names); |
9b2f8581 | 3459 | if (symbol_names.empty ()) |
2a908241 | 3460 | return {}; |
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 | ||
40e084e1 | 3502 | return values; |
f8eba3c6 | 3503 | } |
c00f8484 | 3504 | |
ffdbe864 YQ |
3505 | namespace { |
3506 | ||
14bc53a8 PA |
3507 | /* A function object that serves as symbol_found_callback_ftype |
3508 | callback for iterate_over_symbols. This is used by | |
3509 | lookup_prefix_sym to collect type symbols. */ | |
3510 | class decode_compound_collector | |
f8eba3c6 | 3511 | { |
14bc53a8 | 3512 | public: |
fc4007c9 | 3513 | decode_compound_collector () |
14bc53a8 | 3514 | : m_symbols (NULL) |
fc4007c9 | 3515 | { |
14bc53a8 PA |
3516 | m_unique_syms = htab_create_alloc (1, htab_hash_pointer, |
3517 | htab_eq_pointer, NULL, | |
3518 | xcalloc, xfree); | |
fc4007c9 TT |
3519 | } |
3520 | ||
3521 | ~decode_compound_collector () | |
3522 | { | |
14bc53a8 PA |
3523 | if (m_unique_syms != NULL) |
3524 | htab_delete (m_unique_syms); | |
fc4007c9 | 3525 | } |
3a93a0c2 | 3526 | |
14bc53a8 PA |
3527 | /* Releases ownership of the collected symbols and returns them. */ |
3528 | VEC (symbolp) *release_symbols () | |
3529 | { | |
3530 | VEC (symbolp) *res = m_symbols; | |
3531 | m_symbols = NULL; | |
3532 | return res; | |
3533 | } | |
c00f8484 | 3534 | |
14bc53a8 PA |
3535 | /* Callable as a symbol_found_callback_ftype callback. */ |
3536 | bool operator () (symbol *sym); | |
3537 | ||
3538 | private: | |
3539 | /* A hash table of all symbols we found. We use this to avoid | |
3540 | adding any symbol more than once. */ | |
3541 | htab_t m_unique_syms; | |
3542 | ||
3543 | /* The result vector. */ | |
3544 | VEC (symbolp) *m_symbols; | |
3545 | }; | |
3546 | ||
3547 | bool | |
3548 | decode_compound_collector::operator () (symbol *sym) | |
f8eba3c6 | 3549 | { |
f8eba3c6 TT |
3550 | void **slot; |
3551 | struct type *t; | |
614b3b14 | 3552 | |
f8eba3c6 | 3553 | if (SYMBOL_CLASS (sym) != LOC_TYPEDEF) |
14bc53a8 | 3554 | return true; /* Continue iterating. */ |
f8eba3c6 TT |
3555 | |
3556 | t = SYMBOL_TYPE (sym); | |
f168693b | 3557 | t = check_typedef (t); |
f8eba3c6 TT |
3558 | if (TYPE_CODE (t) != TYPE_CODE_STRUCT |
3559 | && TYPE_CODE (t) != TYPE_CODE_UNION | |
3560 | && TYPE_CODE (t) != TYPE_CODE_NAMESPACE) | |
14bc53a8 | 3561 | return true; /* Continue iterating. */ |
614b3b14 | 3562 | |
14bc53a8 | 3563 | slot = htab_find_slot (m_unique_syms, sym, INSERT); |
f8eba3c6 TT |
3564 | if (!*slot) |
3565 | { | |
3566 | *slot = sym; | |
14bc53a8 | 3567 | VEC_safe_push (symbolp, m_symbols, sym); |
f8eba3c6 TT |
3568 | } |
3569 | ||
14bc53a8 | 3570 | return true; /* Continue iterating. */ |
f8eba3c6 | 3571 | } |
93d91629 | 3572 | |
ffdbe864 YQ |
3573 | } // namespace |
3574 | ||
40e084e1 | 3575 | /* Return any symbols corresponding to CLASS_NAME in FILE_SYMTABS. */ |
93d91629 | 3576 | |
f8eba3c6 | 3577 | static VEC (symbolp) * |
2a908241 KS |
3578 | lookup_prefix_sym (struct linespec_state *state, |
3579 | std::vector<symtab *> *file_symtabs, | |
40e084e1 | 3580 | const char *class_name) |
93d91629 | 3581 | { |
14bc53a8 | 3582 | decode_compound_collector collector; |
e0881a8e | 3583 | |
b5ec771e PA |
3584 | lookup_name_info lookup_name (class_name, symbol_name_match_type::FULL); |
3585 | ||
2a908241 | 3586 | for (const auto &elt : *file_symtabs) |
f8eba3c6 | 3587 | { |
2a908241 | 3588 | if (elt == nullptr) |
f8eba3c6 | 3589 | { |
b5ec771e | 3590 | iterate_over_all_matching_symtabs (state, lookup_name, |
56d87ef7 PA |
3591 | STRUCT_DOMAIN, ALL_DOMAIN, |
3592 | NULL, false, collector); | |
b5ec771e | 3593 | iterate_over_all_matching_symtabs (state, lookup_name, |
56d87ef7 PA |
3594 | VAR_DOMAIN, ALL_DOMAIN, |
3595 | NULL, false, collector); | |
f8eba3c6 TT |
3596 | } |
3597 | else | |
3598 | { | |
f8eba3c6 TT |
3599 | /* Program spaces that are executing startup should have |
3600 | been filtered out earlier. */ | |
3601 | gdb_assert (!SYMTAB_PSPACE (elt)->executing_startup); | |
3602 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
b5ec771e PA |
3603 | iterate_over_file_blocks (elt, lookup_name, STRUCT_DOMAIN, collector); |
3604 | iterate_over_file_blocks (elt, lookup_name, VAR_DOMAIN, collector); | |
1e5a1abc KS |
3605 | } |
3606 | } | |
3607 | ||
14bc53a8 | 3608 | return collector.release_symbols (); |
93d91629 DC |
3609 | } |
3610 | ||
40e084e1 KS |
3611 | /* A qsort comparison function for symbols. The resulting order does |
3612 | not actually matter; we just need to be able to sort them so that | |
3613 | symbols with the same program space end up next to each other. */ | |
3614 | ||
3615 | static int | |
3616 | compare_symbols (const void *a, const void *b) | |
3617 | { | |
9a3c8263 SM |
3618 | struct symbol * const *sa = (struct symbol * const*) a; |
3619 | struct symbol * const *sb = (struct symbol * const*) b; | |
40e084e1 KS |
3620 | uintptr_t uia, uib; |
3621 | ||
08be3fe3 DE |
3622 | uia = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (*sa)); |
3623 | uib = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (*sb)); | |
40e084e1 KS |
3624 | |
3625 | if (uia < uib) | |
3626 | return -1; | |
3627 | if (uia > uib) | |
3628 | return 1; | |
3629 | ||
3630 | uia = (uintptr_t) *sa; | |
3631 | uib = (uintptr_t) *sb; | |
3632 | ||
3633 | if (uia < uib) | |
3634 | return -1; | |
3635 | if (uia > uib) | |
3636 | return 1; | |
3637 | ||
3638 | return 0; | |
3639 | } | |
3640 | ||
3641 | /* Like compare_symbols but for minimal symbols. */ | |
4224873a | 3642 | |
f8eba3c6 | 3643 | static int |
40e084e1 | 3644 | compare_msymbols (const void *a, const void *b) |
4224873a | 3645 | { |
9a3c8263 SM |
3646 | const struct bound_minimal_symbol *sa |
3647 | = (const struct bound_minimal_symbol *) a; | |
3648 | const struct bound_minimal_symbol *sb | |
3649 | = (const struct bound_minimal_symbol *) b; | |
f8eba3c6 TT |
3650 | uintptr_t uia, uib; |
3651 | ||
001822aa TT |
3652 | uia = (uintptr_t) sa->objfile->pspace; |
3653 | uib = (uintptr_t) sa->objfile->pspace; | |
f8eba3c6 TT |
3654 | |
3655 | if (uia < uib) | |
3656 | return -1; | |
3657 | if (uia > uib) | |
3658 | return 1; | |
3659 | ||
001822aa TT |
3660 | uia = (uintptr_t) sa->minsym; |
3661 | uib = (uintptr_t) sb->minsym; | |
f8eba3c6 TT |
3662 | |
3663 | if (uia < uib) | |
3664 | return -1; | |
3665 | if (uia > uib) | |
3666 | return 1; | |
3667 | ||
3668 | return 0; | |
3669 | } | |
3670 | ||
3671 | /* Look for all the matching instances of each symbol in NAMES. Only | |
3672 | instances from PSPACE are considered; other program spaces are | |
3673 | handled by our caller. If PSPACE is NULL, then all program spaces | |
3674 | are considered. Results are stored into INFO. */ | |
3675 | ||
3676 | static void | |
3677 | add_all_symbol_names_from_pspace (struct collect_info *info, | |
3678 | struct program_space *pspace, | |
9b2f8581 | 3679 | const std::vector<const char *> &names, |
56d87ef7 | 3680 | enum search_domain search_domain) |
f8eba3c6 | 3681 | { |
9b2f8581 | 3682 | for (const char *iter : names) |
b5ec771e PA |
3683 | add_matching_symbols_to_info (iter, |
3684 | symbol_name_match_type::FULL, | |
56d87ef7 | 3685 | search_domain, info, pspace); |
f8eba3c6 TT |
3686 | } |
3687 | ||
3688 | static void | |
8e8d776e | 3689 | find_superclass_methods (std::vector<struct type *> &&superclasses, |
b5ec771e | 3690 | const char *name, enum language name_lang, |
9b2f8581 | 3691 | std::vector<const char *> *result_names) |
f8eba3c6 | 3692 | { |
9b2f8581 | 3693 | size_t old_len = result_names->size (); |
f8eba3c6 | 3694 | |
f8eba3c6 TT |
3695 | while (1) |
3696 | { | |
8e8d776e | 3697 | std::vector<struct type *> new_supers; |
f8eba3c6 | 3698 | |
52941706 | 3699 | for (type *t : superclasses) |
b5ec771e | 3700 | find_methods (t, name_lang, name, result_names, &new_supers); |
f8eba3c6 | 3701 | |
8e8d776e | 3702 | if (result_names->size () != old_len || new_supers.empty ()) |
f8eba3c6 | 3703 | break; |
4224873a | 3704 | |
8e8d776e | 3705 | superclasses = std::move (new_supers); |
f8eba3c6 | 3706 | } |
f8eba3c6 TT |
3707 | } |
3708 | ||
40e084e1 KS |
3709 | /* This finds the method METHOD_NAME in the class CLASS_NAME whose type is |
3710 | given by one of the symbols in SYM_CLASSES. Matches are returned | |
3711 | in SYMBOLS (for debug symbols) and MINSYMS (for minimal symbols). */ | |
f8eba3c6 | 3712 | |
40e084e1 | 3713 | static void |
2a908241 | 3714 | find_method (struct linespec_state *self, std::vector<symtab *> *file_symtabs, |
40e084e1 KS |
3715 | const char *class_name, const char *method_name, |
3716 | VEC (symbolp) *sym_classes, VEC (symbolp) **symbols, | |
f60e2d5c | 3717 | VEC (bound_minimal_symbol_d) **minsyms) |
f8eba3c6 | 3718 | { |
f8eba3c6 | 3719 | struct symbol *sym; |
f8eba3c6 | 3720 | int ix; |
9b2f8581 | 3721 | size_t last_result_len; |
8e8d776e | 3722 | std::vector<struct type *> superclass_vec; |
9b2f8581 | 3723 | std::vector<const char *> result_names; |
f8eba3c6 | 3724 | struct collect_info info; |
4224873a | 3725 | |
f8eba3c6 TT |
3726 | /* Sort symbols so that symbols with the same program space are next |
3727 | to each other. */ | |
3728 | qsort (VEC_address (symbolp, sym_classes), | |
3729 | VEC_length (symbolp, sym_classes), | |
3730 | sizeof (symbolp), | |
3731 | compare_symbols); | |
3732 | ||
3733 | info.state = self; | |
40e084e1 KS |
3734 | info.file_symtabs = file_symtabs; |
3735 | info.result.symbols = NULL; | |
3736 | info.result.minimal_symbols = NULL; | |
f8eba3c6 TT |
3737 | |
3738 | /* Iterate over all the types, looking for the names of existing | |
40e084e1 | 3739 | methods matching METHOD_NAME. If we cannot find a direct method in a |
f8eba3c6 TT |
3740 | given program space, then we consider inherited methods; this is |
3741 | not ideal (ideal would be to respect C++ hiding rules), but it | |
3742 | seems good enough and is what GDB has historically done. We only | |
3743 | need to collect the names because later we find all symbols with | |
3744 | those names. This loop is written in a somewhat funny way | |
3745 | because we collect data across the program space before deciding | |
3746 | what to do. */ | |
f8eba3c6 TT |
3747 | last_result_len = 0; |
3748 | for (ix = 0; VEC_iterate (symbolp, sym_classes, ix, sym); ++ix) | |
3749 | { | |
3750 | struct type *t; | |
3751 | struct program_space *pspace; | |
3752 | ||
3753 | /* Program spaces that are executing startup should have | |
3754 | been filtered out earlier. */ | |
08be3fe3 DE |
3755 | pspace = SYMTAB_PSPACE (symbol_symtab (sym)); |
3756 | gdb_assert (!pspace->executing_startup); | |
f8eba3c6 TT |
3757 | set_current_program_space (pspace); |
3758 | t = check_typedef (SYMBOL_TYPE (sym)); | |
b5ec771e PA |
3759 | find_methods (t, SYMBOL_LANGUAGE (sym), |
3760 | method_name, &result_names, &superclass_vec); | |
f8eba3c6 TT |
3761 | |
3762 | /* Handle all items from a single program space at once; and be | |
3763 | sure not to miss the last batch. */ | |
3764 | if (ix == VEC_length (symbolp, sym_classes) - 1 | |
3765 | || (pspace | |
08be3fe3 | 3766 | != SYMTAB_PSPACE (symbol_symtab (VEC_index (symbolp, sym_classes, |
f8eba3c6 | 3767 | ix + 1))))) |
4224873a | 3768 | { |
f8eba3c6 TT |
3769 | /* If we did not find a direct implementation anywhere in |
3770 | this program space, consider superclasses. */ | |
9b2f8581 | 3771 | if (result_names.size () == last_result_len) |
8e8d776e | 3772 | find_superclass_methods (std::move (superclass_vec), method_name, |
b5ec771e | 3773 | SYMBOL_LANGUAGE (sym), &result_names); |
f8eba3c6 TT |
3774 | |
3775 | /* We have a list of candidate symbol names, so now we | |
3776 | iterate over the symbol tables looking for all | |
3777 | matches in this pspace. */ | |
56d87ef7 PA |
3778 | add_all_symbol_names_from_pspace (&info, pspace, result_names, |
3779 | FUNCTIONS_DOMAIN); | |
f8eba3c6 | 3780 | |
8e8d776e | 3781 | superclass_vec.clear (); |
9b2f8581 | 3782 | last_result_len = result_names.size (); |
4224873a | 3783 | } |
4224873a | 3784 | } |
f8eba3c6 | 3785 | |
40e084e1 | 3786 | if (!VEC_empty (symbolp, info.result.symbols) |
f60e2d5c | 3787 | || !VEC_empty (bound_minimal_symbol_d, info.result.minimal_symbols)) |
4224873a | 3788 | { |
40e084e1 KS |
3789 | *symbols = info.result.symbols; |
3790 | *minsyms = info.result.minimal_symbols; | |
40e084e1 | 3791 | return; |
4224873a | 3792 | } |
f8eba3c6 | 3793 | |
40e084e1 KS |
3794 | /* Throw an NOT_FOUND_ERROR. This will be caught by the caller |
3795 | and other attempts to locate the symbol will be made. */ | |
3796 | throw_error (NOT_FOUND_ERROR, _("see caller, this text doesn't matter")); | |
f8eba3c6 TT |
3797 | } |
3798 | ||
3799 | \f | |
3800 | ||
ffdbe864 YQ |
3801 | namespace { |
3802 | ||
14bc53a8 PA |
3803 | /* This function object is a callback for iterate_over_symtabs, used |
3804 | when collecting all matching symtabs. */ | |
f8eba3c6 | 3805 | |
14bc53a8 | 3806 | class symtab_collector |
f8eba3c6 | 3807 | { |
14bc53a8 | 3808 | public: |
fc4007c9 | 3809 | symtab_collector () |
2a908241 | 3810 | : m_symtabs (new std::vector<symtab *> ()) |
fc4007c9 | 3811 | { |
14bc53a8 PA |
3812 | m_symtab_table = htab_create (1, htab_hash_pointer, htab_eq_pointer, |
3813 | NULL); | |
fc4007c9 TT |
3814 | } |
3815 | ||
3816 | ~symtab_collector () | |
3817 | { | |
14bc53a8 PA |
3818 | if (m_symtab_table != NULL) |
3819 | htab_delete (m_symtab_table); | |
fc4007c9 | 3820 | } |
f8eba3c6 | 3821 | |
14bc53a8 PA |
3822 | /* Callable as a symbol_found_callback_ftype callback. */ |
3823 | bool operator () (symtab *sym); | |
f8eba3c6 | 3824 | |
14bc53a8 | 3825 | /* Releases ownership of the collected symtabs and returns them. */ |
2a908241 | 3826 | symtab_vector_up release_symtabs () |
14bc53a8 | 3827 | { |
2a908241 | 3828 | return std::move (m_symtabs); |
14bc53a8 PA |
3829 | } |
3830 | ||
3831 | private: | |
3832 | /* The result vector of symtabs. */ | |
2a908241 | 3833 | symtab_vector_up m_symtabs; |
14bc53a8 PA |
3834 | |
3835 | /* This is used to ensure the symtabs are unique. */ | |
3836 | htab_t m_symtab_table; | |
3837 | }; | |
3838 | ||
3839 | bool | |
3840 | symtab_collector::operator () (struct symtab *symtab) | |
f8eba3c6 | 3841 | { |
f8eba3c6 TT |
3842 | void **slot; |
3843 | ||
14bc53a8 | 3844 | slot = htab_find_slot (m_symtab_table, symtab, INSERT); |
f8eba3c6 | 3845 | if (!*slot) |
4224873a | 3846 | { |
f8eba3c6 | 3847 | *slot = symtab; |
2a908241 | 3848 | m_symtabs->push_back (symtab); |
4224873a | 3849 | } |
f8eba3c6 | 3850 | |
14bc53a8 | 3851 | return false; |
4224873a DC |
3852 | } |
3853 | ||
ffdbe864 YQ |
3854 | } // namespace |
3855 | ||
2a908241 | 3856 | /* Given a file name, return a list of all matching symtabs. If |
c2f4122d PA |
3857 | SEARCH_PSPACE is not NULL, the search is restricted to just that |
3858 | program space. */ | |
f8eba3c6 | 3859 | |
2a908241 | 3860 | static symtab_vector_up |
c2f4122d PA |
3861 | collect_symtabs_from_filename (const char *file, |
3862 | struct program_space *search_pspace) | |
f8eba3c6 | 3863 | { |
14bc53a8 | 3864 | symtab_collector collector; |
f8eba3c6 TT |
3865 | |
3866 | /* Find that file's data. */ | |
c2f4122d PA |
3867 | if (search_pspace == NULL) |
3868 | { | |
14bc53a8 PA |
3869 | struct program_space *pspace; |
3870 | ||
c2f4122d PA |
3871 | ALL_PSPACES (pspace) |
3872 | { | |
3873 | if (pspace->executing_startup) | |
3874 | continue; | |
f8eba3c6 | 3875 | |
c2f4122d | 3876 | set_current_program_space (pspace); |
14bc53a8 | 3877 | iterate_over_symtabs (file, collector); |
c2f4122d PA |
3878 | } |
3879 | } | |
3880 | else | |
3881 | { | |
3882 | set_current_program_space (search_pspace); | |
14bc53a8 | 3883 | iterate_over_symtabs (file, collector); |
c2f4122d | 3884 | } |
f3c39e76 | 3885 | |
14bc53a8 | 3886 | return collector.release_symtabs (); |
f8eba3c6 TT |
3887 | } |
3888 | ||
c2f4122d PA |
3889 | /* Return all the symtabs associated to the FILENAME. If SEARCH_PSPACE is |
3890 | not NULL, the search is restricted to just that program space. */ | |
f8eba3c6 | 3891 | |
2a908241 | 3892 | static symtab_vector_up |
c2f4122d PA |
3893 | symtabs_from_filename (const char *filename, |
3894 | struct program_space *search_pspace) | |
40e084e1 | 3895 | { |
2a908241 KS |
3896 | symtab_vector_up result |
3897 | = collect_symtabs_from_filename (filename, search_pspace); | |
f8eba3c6 | 3898 | |
2a908241 | 3899 | if (result->empty ()) |
f8eba3c6 | 3900 | { |
40e084e1 KS |
3901 | if (!have_full_symbols () && !have_partial_symbols ()) |
3902 | throw_error (NOT_FOUND_ERROR, | |
3903 | _("No symbol table is loaded. " | |
3904 | "Use the \"file\" command.")); | |
00e52e53 | 3905 | source_file_not_found_error (filename); |
f8eba3c6 TT |
3906 | } |
3907 | ||
40e084e1 | 3908 | return result; |
84fba31b | 3909 | } |
f3c39e76 | 3910 | |
40e084e1 KS |
3911 | /* Look up a function symbol named NAME in symtabs FILE_SYMTABS. Matching |
3912 | debug symbols are returned in SYMBOLS. Matching minimal symbols are | |
3913 | returned in MINSYMS. */ | |
14e91ac5 | 3914 | |
40e084e1 KS |
3915 | static void |
3916 | find_function_symbols (struct linespec_state *state, | |
2a908241 | 3917 | std::vector<symtab *> *file_symtabs, const char *name, |
a20714ff | 3918 | symbol_name_match_type name_match_type, |
40e084e1 | 3919 | VEC (symbolp) **symbols, |
f60e2d5c | 3920 | VEC (bound_minimal_symbol_d) **minsyms) |
14e91ac5 | 3921 | { |
40e084e1 | 3922 | struct collect_info info; |
9b2f8581 | 3923 | std::vector<const char *> symbol_names; |
14e91ac5 | 3924 | |
40e084e1 KS |
3925 | info.state = state; |
3926 | info.result.symbols = NULL; | |
3927 | info.result.minimal_symbols = NULL; | |
3928 | info.file_symtabs = file_symtabs; | |
e0881a8e | 3929 | |
40e084e1 | 3930 | /* Try NAME as an Objective-C selector. */ |
d7561cbb | 3931 | find_imps (name, &symbol_names); |
9b2f8581 | 3932 | if (!symbol_names.empty ()) |
c2f4122d | 3933 | add_all_symbol_names_from_pspace (&info, state->search_pspace, |
56d87ef7 | 3934 | symbol_names, FUNCTIONS_DOMAIN); |
40e084e1 | 3935 | else |
a20714ff | 3936 | add_matching_symbols_to_info (name, name_match_type, FUNCTIONS_DOMAIN, |
b5ec771e | 3937 | &info, state->search_pspace); |
40e084e1 | 3938 | |
40e084e1 KS |
3939 | if (VEC_empty (symbolp, info.result.symbols)) |
3940 | { | |
3941 | VEC_free (symbolp, info.result.symbols); | |
3942 | *symbols = NULL; | |
14e91ac5 DC |
3943 | } |
3944 | else | |
40e084e1 KS |
3945 | *symbols = info.result.symbols; |
3946 | ||
f60e2d5c | 3947 | if (VEC_empty (bound_minimal_symbol_d, info.result.minimal_symbols)) |
14e91ac5 | 3948 | { |
f60e2d5c | 3949 | VEC_free (bound_minimal_symbol_d, info.result.minimal_symbols); |
40e084e1 KS |
3950 | *minsyms = NULL; |
3951 | } | |
3952 | else | |
3953 | *minsyms = info.result.minimal_symbols; | |
3954 | } | |
3955 | ||
3956 | /* Find all symbols named NAME in FILE_SYMTABS, returning debug symbols | |
3957 | in SYMBOLS and minimal symbols in MINSYMS. */ | |
14e91ac5 | 3958 | |
b1ae631a | 3959 | static void |
40e084e1 | 3960 | find_linespec_symbols (struct linespec_state *state, |
2a908241 | 3961 | std::vector<symtab *> *file_symtabs, |
b5ec771e | 3962 | const char *lookup_name, |
a20714ff | 3963 | symbol_name_match_type name_match_type, |
40e084e1 | 3964 | VEC (symbolp) **symbols, |
f60e2d5c | 3965 | VEC (bound_minimal_symbol_d) **minsyms) |
40e084e1 | 3966 | { |
2f408ecb PA |
3967 | std::string canon = cp_canonicalize_string_no_typedefs (lookup_name); |
3968 | if (!canon.empty ()) | |
3969 | lookup_name = canon.c_str (); | |
3970 | ||
cc81e1c6 DE |
3971 | /* It's important to not call expand_symtabs_matching unnecessarily |
3972 | as it can really slow things down (by unnecessarily expanding | |
3973 | potentially 1000s of symtabs, which when debugging some apps can | |
3974 | cost 100s of seconds). Avoid this to some extent by *first* calling | |
3975 | find_function_symbols, and only if that doesn't find anything | |
3976 | *then* call find_method. This handles two important cases: | |
3977 | 1) break (anonymous namespace)::foo | |
3978 | 2) break class::method where method is in class (and not a baseclass) */ | |
14e91ac5 | 3979 | |
cc81e1c6 | 3980 | find_function_symbols (state, file_symtabs, lookup_name, |
a20714ff | 3981 | name_match_type, |
cc81e1c6 | 3982 | symbols, minsyms); |
14e91ac5 | 3983 | |
cc81e1c6 DE |
3984 | /* If we were unable to locate a symbol of the same name, try dividing |
3985 | the name into class and method names and searching the class and its | |
3986 | baseclasses. */ | |
3987 | if (VEC_empty (symbolp, *symbols) | |
f60e2d5c | 3988 | && VEC_empty (bound_minimal_symbol_d, *minsyms)) |
40e084e1 | 3989 | { |
2f408ecb | 3990 | std::string klass, method; |
cc81e1c6 DE |
3991 | const char *last, *p, *scope_op; |
3992 | VEC (symbolp) *classes; | |
14e91ac5 | 3993 | |
cc81e1c6 DE |
3994 | /* See if we can find a scope operator and break this symbol |
3995 | name into namespaces${SCOPE_OPERATOR}class_name and method_name. */ | |
3996 | scope_op = "::"; | |
3997 | p = find_toplevel_string (lookup_name, scope_op); | |
14e91ac5 | 3998 | |
cc81e1c6 DE |
3999 | last = NULL; |
4000 | while (p != NULL) | |
f8eba3c6 | 4001 | { |
cc81e1c6 DE |
4002 | last = p; |
4003 | p = find_toplevel_string (p + strlen (scope_op), scope_op); | |
f8eba3c6 | 4004 | } |
14e91ac5 | 4005 | |
cc81e1c6 DE |
4006 | /* If no scope operator was found, there is nothing more we can do; |
4007 | we already attempted to lookup the entire name as a symbol | |
4008 | and failed. */ | |
4009 | if (last == NULL) | |
2f408ecb | 4010 | return; |
cc81e1c6 DE |
4011 | |
4012 | /* LOOKUP_NAME points to the class name. | |
4013 | LAST points to the method name. */ | |
2f408ecb | 4014 | klass = std::string (lookup_name, last - lookup_name); |
cc81e1c6 DE |
4015 | |
4016 | /* Skip past the scope operator. */ | |
4017 | last += strlen (scope_op); | |
2f408ecb | 4018 | method = last; |
cc81e1c6 DE |
4019 | |
4020 | /* Find a list of classes named KLASS. */ | |
2f408ecb PA |
4021 | classes = lookup_prefix_sym (state, file_symtabs, klass.c_str ()); |
4022 | struct cleanup *old_chain | |
4023 | = make_cleanup (VEC_cleanup (symbolp), &classes); | |
cc81e1c6 DE |
4024 | |
4025 | if (!VEC_empty (symbolp, classes)) | |
4026 | { | |
4027 | /* Now locate a list of suitable methods named METHOD. */ | |
492d29ea | 4028 | TRY |
cc81e1c6 | 4029 | { |
2f408ecb PA |
4030 | find_method (state, file_symtabs, |
4031 | klass.c_str (), method.c_str (), | |
4032 | classes, symbols, minsyms); | |
cc81e1c6 DE |
4033 | } |
4034 | ||
4035 | /* If successful, we're done. If NOT_FOUND_ERROR | |
4036 | was not thrown, rethrow the exception that we did get. */ | |
492d29ea | 4037 | CATCH (except, RETURN_MASK_ERROR) |
7556d4a4 PA |
4038 | { |
4039 | if (except.error != NOT_FOUND_ERROR) | |
4040 | throw_exception (except); | |
4041 | } | |
492d29ea | 4042 | END_CATCH |
cc81e1c6 | 4043 | } |
14e91ac5 | 4044 | |
2f408ecb PA |
4045 | do_cleanups (old_chain); |
4046 | } | |
14e91ac5 DC |
4047 | } |
4048 | ||
a2459270 PA |
4049 | /* Helper for find_label_symbols. Find all labels that match name |
4050 | NAME in BLOCK. Return all labels that match in FUNCTION_SYMBOLS. | |
4051 | Return the actual function symbol in which the label was found in | |
4052 | LABEL_FUNC_RET. If COMPLETION_MODE is true, then NAME is | |
4053 | interpreted as a label name prefix. Otherwise, only a label named | |
4054 | exactly NAME match. */ | |
4055 | ||
4056 | static void | |
4057 | find_label_symbols_in_block (const struct block *block, | |
4058 | const char *name, struct symbol *fn_sym, | |
4059 | bool completion_mode, | |
4060 | VEC (symbolp) **result, | |
4061 | VEC (symbolp) **label_funcs_ret) | |
4062 | { | |
4063 | if (completion_mode) | |
4064 | { | |
4065 | struct block_iterator iter; | |
4066 | struct symbol *sym; | |
4067 | size_t name_len = strlen (name); | |
4068 | ||
4069 | int (*cmp) (const char *, const char *, size_t); | |
4070 | cmp = case_sensitivity == case_sensitive_on ? strncmp : strncasecmp; | |
4071 | ||
4072 | ALL_BLOCK_SYMBOLS (block, iter, sym) | |
4073 | { | |
4074 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), | |
4075 | SYMBOL_DOMAIN (sym), LABEL_DOMAIN) | |
4076 | && cmp (SYMBOL_SEARCH_NAME (sym), name, name_len) == 0) | |
4077 | { | |
4078 | VEC_safe_push (symbolp, *result, sym); | |
4079 | VEC_safe_push (symbolp, *label_funcs_ret, fn_sym); | |
4080 | } | |
4081 | } | |
4082 | } | |
4083 | else | |
4084 | { | |
4085 | struct symbol *sym = lookup_symbol (name, block, LABEL_DOMAIN, 0).symbol; | |
4086 | ||
4087 | if (sym != NULL) | |
4088 | { | |
4089 | VEC_safe_push (symbolp, *result, sym); | |
4090 | VEC_safe_push (symbolp, *label_funcs_ret, fn_sym); | |
4091 | } | |
4092 | } | |
4093 | } | |
4094 | ||
4095 | /* Return all labels that match name NAME in FUNCTION_SYMBOLS. Return | |
4096 | the actual function symbol in which the label was found in | |
4097 | LABEL_FUNC_RET. If COMPLETION_MODE is true, then NAME is | |
4098 | interpreted as a label name prefix. Otherwise, only labels named | |
4099 | exactly NAME match. */ | |
0f5238ed | 4100 | |
40e084e1 KS |
4101 | static VEC (symbolp) * |
4102 | find_label_symbols (struct linespec_state *self, | |
4103 | VEC (symbolp) *function_symbols, | |
a2459270 PA |
4104 | VEC (symbolp) **label_funcs_ret, const char *name, |
4105 | bool completion_mode) | |
0f5238ed | 4106 | { |
f8eba3c6 | 4107 | int ix; |
3977b71f | 4108 | const struct block *block; |
40e084e1 KS |
4109 | struct symbol *fn_sym; |
4110 | VEC (symbolp) *result = NULL; | |
9ef07c8c | 4111 | |
f8eba3c6 | 4112 | if (function_symbols == NULL) |
9ef07c8c | 4113 | { |
f8eba3c6 | 4114 | set_current_program_space (self->program_space); |
4eeaa230 | 4115 | block = get_current_search_block (); |
f8eba3c6 | 4116 | |
9ef07c8c TT |
4117 | for (; |
4118 | block && !BLOCK_FUNCTION (block); | |
4119 | block = BLOCK_SUPERBLOCK (block)) | |
4120 | ; | |
4121 | if (!block) | |
40e084e1 | 4122 | return NULL; |
f8eba3c6 TT |
4123 | fn_sym = BLOCK_FUNCTION (block); |
4124 | ||
a2459270 PA |
4125 | find_label_symbols_in_block (block, name, fn_sym, completion_mode, |
4126 | &result, label_funcs_ret); | |
40e084e1 KS |
4127 | } |
4128 | else | |
4129 | { | |
4130 | for (ix = 0; | |
4131 | VEC_iterate (symbolp, function_symbols, ix, fn_sym); ++ix) | |
f8eba3c6 | 4132 | { |
08be3fe3 | 4133 | set_current_program_space (SYMTAB_PSPACE (symbol_symtab (fn_sym))); |
40e084e1 | 4134 | block = SYMBOL_BLOCK_VALUE (fn_sym); |
40e084e1 | 4135 | |
a2459270 PA |
4136 | find_label_symbols_in_block (block, name, fn_sym, completion_mode, |
4137 | &result, label_funcs_ret); | |
f8eba3c6 | 4138 | } |
40e084e1 | 4139 | } |
f8eba3c6 | 4140 | |
40e084e1 KS |
4141 | return result; |
4142 | } | |
f8eba3c6 | 4143 | |
40e084e1 KS |
4144 | \f |
4145 | ||
4146 | /* A helper for create_sals_line_offset that handles the 'list_mode' case. */ | |
4147 | ||
6c5b2ebe | 4148 | static std::vector<symtab_and_line> |
40e084e1 KS |
4149 | decode_digits_list_mode (struct linespec_state *self, |
4150 | linespec_p ls, | |
40e084e1 KS |
4151 | struct symtab_and_line val) |
4152 | { | |
40e084e1 KS |
4153 | gdb_assert (self->list_mode); |
4154 | ||
6c5b2ebe PA |
4155 | std::vector<symtab_and_line> values; |
4156 | ||
2a908241 | 4157 | for (const auto &elt : *ls->file_symtabs) |
40e084e1 KS |
4158 | { |
4159 | /* The logic above should ensure this. */ | |
4160 | gdb_assert (elt != NULL); | |
4161 | ||
4162 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
4163 | ||
4164 | /* Simplistic search just for the list command. */ | |
4165 | val.symtab = find_line_symtab (elt, val.line, NULL, NULL); | |
4166 | if (val.symtab == NULL) | |
4167 | val.symtab = elt; | |
4168 | val.pspace = SYMTAB_PSPACE (elt); | |
4169 | val.pc = 0; | |
4170 | val.explicit_line = 1; | |
4171 | ||
6c5b2ebe | 4172 | add_sal_to_sals (self, &values, &val, NULL, 0); |
f8eba3c6 | 4173 | } |
6c5b2ebe PA |
4174 | |
4175 | return values; | |
40e084e1 | 4176 | } |
f8eba3c6 | 4177 | |
40e084e1 KS |
4178 | /* A helper for create_sals_line_offset that iterates over the symtabs, |
4179 | adding lines to the VEC. */ | |
4180 | ||
6c5b2ebe | 4181 | static std::vector<symtab_and_line> |
40e084e1 KS |
4182 | decode_digits_ordinary (struct linespec_state *self, |
4183 | linespec_p ls, | |
4184 | int line, | |
40e084e1 KS |
4185 | struct linetable_entry **best_entry) |
4186 | { | |
6c5b2ebe | 4187 | std::vector<symtab_and_line> sals; |
2a908241 | 4188 | for (const auto &elt : *ls->file_symtabs) |
f8eba3c6 | 4189 | { |
67d89901 | 4190 | std::vector<CORE_ADDR> pcs; |
40e084e1 KS |
4191 | |
4192 | /* The logic above should ensure this. */ | |
4193 | gdb_assert (elt != NULL); | |
f8eba3c6 | 4194 | |
40e084e1 | 4195 | set_current_program_space (SYMTAB_PSPACE (elt)); |
f8eba3c6 | 4196 | |
40e084e1 | 4197 | pcs = find_pcs_for_symtab_line (elt, line, best_entry); |
67d89901 | 4198 | for (CORE_ADDR pc : pcs) |
f8eba3c6 | 4199 | { |
51abb421 | 4200 | symtab_and_line sal; |
40e084e1 KS |
4201 | sal.pspace = SYMTAB_PSPACE (elt); |
4202 | sal.symtab = elt; | |
4203 | sal.line = line; | |
4204 | sal.pc = pc; | |
6c5b2ebe | 4205 | sals.push_back (std::move (sal)); |
f8eba3c6 TT |
4206 | } |
4207 | } | |
6c5b2ebe PA |
4208 | |
4209 | return sals; | |
40e084e1 KS |
4210 | } |
4211 | ||
4212 | \f | |
4213 | ||
4214 | /* Return the line offset represented by VARIABLE. */ | |
4215 | ||
4216 | static struct line_offset | |
4217 | linespec_parse_variable (struct linespec_state *self, const char *variable) | |
4218 | { | |
4219 | int index = 0; | |
4220 | const char *p; | |
4221 | struct line_offset offset = {0, LINE_OFFSET_NONE}; | |
f8eba3c6 | 4222 | |
40e084e1 KS |
4223 | p = (variable[1] == '$') ? variable + 2 : variable + 1; |
4224 | if (*p == '$') | |
4225 | ++p; | |
4226 | while (*p >= '0' && *p <= '9') | |
4227 | ++p; | |
4228 | if (!*p) /* Reached end of token without hitting non-digit. */ | |
f8eba3c6 | 4229 | { |
40e084e1 KS |
4230 | /* We have a value history reference. */ |
4231 | struct value *val_history; | |
f8eba3c6 | 4232 | |
40e084e1 KS |
4233 | sscanf ((variable[1] == '$') ? variable + 2 : variable + 1, "%d", &index); |
4234 | val_history | |
4235 | = access_value_history ((variable[1] == '$') ? -index : index); | |
4236 | if (TYPE_CODE (value_type (val_history)) != TYPE_CODE_INT) | |
4237 | error (_("History values used in line " | |
4238 | "specs must have integer values.")); | |
4239 | offset.offset = value_as_long (val_history); | |
4240 | } | |
4241 | else | |
4242 | { | |
4243 | /* Not all digits -- may be user variable/function or a | |
4244 | convenience variable. */ | |
4245 | LONGEST valx; | |
4246 | struct internalvar *ivar; | |
4247 | ||
4248 | /* Try it as a convenience variable. If it is not a convenience | |
4249 | variable, return and allow normal symbol lookup to occur. */ | |
4250 | ivar = lookup_only_internalvar (variable + 1); | |
4251 | if (ivar == NULL) | |
4252 | /* No internal variable with that name. Mark the offset | |
4253 | as unknown to allow the name to be looked up as a symbol. */ | |
4254 | offset.sign = LINE_OFFSET_UNKNOWN; | |
4255 | else | |
4256 | { | |
4257 | /* We found a valid variable name. If it is not an integer, | |
4258 | throw an error. */ | |
4259 | if (!get_internalvar_integer (ivar, &valx)) | |
4260 | error (_("Convenience variables used in line " | |
4261 | "specs must have integer values.")); | |
4262 | else | |
4263 | offset.offset = valx; | |
4264 | } | |
f8eba3c6 TT |
4265 | } |
4266 | ||
40e084e1 | 4267 | return offset; |
f8eba3c6 | 4268 | } |
40e084e1 | 4269 | \f |
f8eba3c6 | 4270 | |
40e084e1 | 4271 | /* We've found a minimal symbol MSYMBOL in OBJFILE to associate with our |
6e22494e JK |
4272 | linespec; return the SAL in RESULT. This function should return SALs |
4273 | matching those from find_function_start_sal, otherwise false | |
4274 | multiple-locations breakpoints could be placed. */ | |
f8eba3c6 TT |
4275 | |
4276 | static void | |
4277 | minsym_found (struct linespec_state *self, struct objfile *objfile, | |
4278 | struct minimal_symbol *msymbol, | |
6c5b2ebe | 4279 | std::vector<symtab_and_line> *result) |
f8eba3c6 | 4280 | { |
3467ec66 | 4281 | bool want_start_sal; |
f8eba3c6 | 4282 | |
4024cf2b | 4283 | CORE_ADDR func_addr; |
3467ec66 PA |
4284 | bool is_function = msymbol_is_function (objfile, msymbol, &func_addr); |
4285 | ||
4286 | if (is_function) | |
4287 | { | |
4288 | const char *msym_name = MSYMBOL_LINKAGE_NAME (msymbol); | |
4289 | ||
f50776aa PA |
4290 | if (MSYMBOL_TYPE (msymbol) == mst_text_gnu_ifunc |
4291 | || MSYMBOL_TYPE (msymbol) == mst_data_gnu_ifunc) | |
3467ec66 PA |
4292 | want_start_sal = gnu_ifunc_resolve_name (msym_name, &func_addr); |
4293 | else | |
4294 | want_start_sal = true; | |
4295 | } | |
4296 | ||
4297 | symtab_and_line sal; | |
4298 | ||
4299 | if (is_function && want_start_sal) | |
42ddae10 | 4300 | sal = find_function_start_sal (func_addr, NULL, self->funfirstline); |
e5f25bc5 PA |
4301 | else |
4302 | { | |
4303 | sal.objfile = objfile; | |
3467ec66 PA |
4304 | sal.msymbol = msymbol; |
4305 | /* Store func_addr, not the minsym's address in case this was an | |
4306 | ifunc that hasn't been resolved yet. */ | |
4307 | if (is_function) | |
4308 | sal.pc = func_addr; | |
4309 | else | |
4310 | sal.pc = MSYMBOL_VALUE_ADDRESS (objfile, msymbol); | |
e5f25bc5 | 4311 | sal.pspace = current_program_space; |
6e22494e | 4312 | } |
f8eba3c6 | 4313 | |
6b05c8bd YQ |
4314 | sal.section = MSYMBOL_OBJ_SECTION (objfile, msymbol); |
4315 | ||
07fea4b4 | 4316 | if (maybe_add_address (self->addr_set, objfile->pspace, sal.pc)) |
efd66ac6 | 4317 | add_sal_to_sals (self, result, &sal, MSYMBOL_NATURAL_NAME (msymbol), 0); |
f8eba3c6 TT |
4318 | } |
4319 | ||
39b856a4 TT |
4320 | /* A helper function to classify a minimal_symbol_type according to |
4321 | priority. */ | |
4322 | ||
4323 | static int | |
4324 | classify_mtype (enum minimal_symbol_type t) | |
4325 | { | |
4326 | switch (t) | |
f8eba3c6 | 4327 | { |
39b856a4 TT |
4328 | case mst_file_text: |
4329 | case mst_file_data: | |
4330 | case mst_file_bss: | |
4331 | /* Intermediate priority. */ | |
4332 | return 1; | |
4333 | ||
4334 | case mst_solib_trampoline: | |
4335 | /* Lowest priority. */ | |
4336 | return 2; | |
4337 | ||
4338 | default: | |
4339 | /* Highest priority. */ | |
4340 | return 0; | |
f8eba3c6 | 4341 | } |
39b856a4 TT |
4342 | } |
4343 | ||
41c1efc6 | 4344 | /* Callback for std::sort that sorts symbols by priority. */ |
39b856a4 | 4345 | |
41c1efc6 TT |
4346 | static bool |
4347 | compare_msyms (const bound_minimal_symbol &a, const bound_minimal_symbol &b) | |
39b856a4 | 4348 | { |
41c1efc6 TT |
4349 | enum minimal_symbol_type ta = MSYMBOL_TYPE (a.minsym); |
4350 | enum minimal_symbol_type tb = MSYMBOL_TYPE (b.minsym); | |
39b856a4 | 4351 | |
41c1efc6 | 4352 | return classify_mtype (ta) < classify_mtype (tb); |
39b856a4 TT |
4353 | } |
4354 | ||
41c1efc6 TT |
4355 | /* Helper for search_minsyms_for_name that adds the symbol to the |
4356 | result. */ | |
39b856a4 TT |
4357 | |
4358 | static void | |
41c1efc6 TT |
4359 | add_minsym (struct minimal_symbol *minsym, struct objfile *objfile, |
4360 | struct symtab *symtab, int list_mode, | |
4361 | std::vector<struct bound_minimal_symbol> *msyms) | |
39b856a4 | 4362 | { |
41c1efc6 | 4363 | if (symtab != NULL) |
87186c6a | 4364 | { |
4024cf2b PA |
4365 | /* We're looking for a label for which we don't have debug |
4366 | info. */ | |
4367 | CORE_ADDR func_addr; | |
41c1efc6 | 4368 | if (msymbol_is_function (objfile, minsym, &func_addr)) |
4024cf2b PA |
4369 | { |
4370 | symtab_and_line sal = find_pc_sect_line (func_addr, NULL, 0); | |
87186c6a | 4371 | |
41c1efc6 | 4372 | if (symtab != sal.symtab) |
4024cf2b PA |
4373 | return; |
4374 | } | |
87186c6a MMN |
4375 | } |
4376 | ||
4024cf2b | 4377 | /* Exclude data symbols when looking for breakpoint locations. */ |
41c1efc6 | 4378 | if (!list_mode && !msymbol_is_function (objfile, minsym)) |
4024cf2b | 4379 | return; |
095bcf5e | 4380 | |
41c1efc6 TT |
4381 | struct bound_minimal_symbol mo = {minsym, objfile}; |
4382 | msyms->push_back (mo); | |
ca31ab1d | 4383 | return; |
f8eba3c6 TT |
4384 | } |
4385 | ||
87186c6a | 4386 | /* Search for minimal symbols called NAME. If SEARCH_PSPACE |
f8eba3c6 | 4387 | is not NULL, the search is restricted to just that program |
87186c6a MMN |
4388 | space. |
4389 | ||
4390 | If SYMTAB is NULL, search all objfiles, otherwise | |
4391 | restrict results to the given SYMTAB. */ | |
f8eba3c6 TT |
4392 | |
4393 | static void | |
b5ec771e PA |
4394 | search_minsyms_for_name (struct collect_info *info, |
4395 | const lookup_name_info &name, | |
87186c6a MMN |
4396 | struct program_space *search_pspace, |
4397 | struct symtab *symtab) | |
f8eba3c6 | 4398 | { |
41c1efc6 | 4399 | std::vector<struct bound_minimal_symbol> minsyms; |
f8eba3c6 | 4400 | |
87186c6a MMN |
4401 | if (symtab == NULL) |
4402 | { | |
4403 | struct program_space *pspace; | |
f8eba3c6 | 4404 | |
87186c6a MMN |
4405 | ALL_PSPACES (pspace) |
4406 | { | |
4407 | struct objfile *objfile; | |
39b856a4 | 4408 | |
87186c6a MMN |
4409 | if (search_pspace != NULL && search_pspace != pspace) |
4410 | continue; | |
4411 | if (pspace->executing_startup) | |
4412 | continue; | |
39b856a4 | 4413 | |
87186c6a MMN |
4414 | set_current_program_space (pspace); |
4415 | ||
4416 | ALL_OBJFILES (objfile) | |
4417 | { | |
41c1efc6 TT |
4418 | iterate_over_minimal_symbols (objfile, name, |
4419 | [&] (struct minimal_symbol *msym) | |
4420 | { | |
4421 | add_minsym (msym, objfile, nullptr, | |
4422 | info->state->list_mode, | |
4423 | &minsyms); | |
ca31ab1d | 4424 | return false; |
41c1efc6 | 4425 | }); |
87186c6a MMN |
4426 | } |
4427 | } | |
4428 | } | |
4429 | else | |
f8eba3c6 | 4430 | { |
87186c6a MMN |
4431 | if (search_pspace == NULL || SYMTAB_PSPACE (symtab) == search_pspace) |
4432 | { | |
4433 | set_current_program_space (SYMTAB_PSPACE (symtab)); | |
41c1efc6 TT |
4434 | iterate_over_minimal_symbols |
4435 | (SYMTAB_OBJFILE (symtab), name, | |
4436 | [&] (struct minimal_symbol *msym) | |
4437 | { | |
4438 | add_minsym (msym, SYMTAB_OBJFILE (symtab), symtab, | |
4439 | info->state->list_mode, &minsyms); | |
ca31ab1d | 4440 | return false; |
41c1efc6 | 4441 | }); |
87186c6a | 4442 | } |
9ef07c8c | 4443 | } |
39b856a4 | 4444 | |
41c1efc6 TT |
4445 | if (!minsyms.empty ()) |
4446 | { | |
4447 | int classification; | |
39b856a4 | 4448 | |
41c1efc6 | 4449 | std::sort (minsyms.begin (), minsyms.end (), compare_msyms); |
39b856a4 | 4450 | |
41c1efc6 TT |
4451 | /* Now the minsyms are in classification order. So, we walk |
4452 | over them and process just the minsyms with the same | |
4453 | classification as the very first minsym in the list. */ | |
4454 | classification = classify_mtype (MSYMBOL_TYPE (minsyms[0].minsym)); | |
4455 | ||
52941706 | 4456 | for (const bound_minimal_symbol &item : minsyms) |
41c1efc6 TT |
4457 | { |
4458 | if (classify_mtype (MSYMBOL_TYPE (item.minsym)) != classification) | |
4459 | break; | |
4460 | ||
4461 | VEC_safe_push (bound_minimal_symbol_d, | |
4462 | info->result.minimal_symbols, &item); | |
4463 | } | |
4464 | } | |
f8eba3c6 TT |
4465 | } |
4466 | ||
4467 | /* A helper function to add all symbols matching NAME to INFO. If | |
4468 | PSPACE is not NULL, the search is restricted to just that program | |
4469 | space. */ | |
0f5238ed | 4470 | |
f8eba3c6 TT |
4471 | static void |
4472 | add_matching_symbols_to_info (const char *name, | |
b5ec771e | 4473 | symbol_name_match_type name_match_type, |
56d87ef7 | 4474 | enum search_domain search_domain, |
f8eba3c6 TT |
4475 | struct collect_info *info, |
4476 | struct program_space *pspace) | |
4477 | { | |
b5ec771e PA |
4478 | lookup_name_info lookup_name (name, name_match_type); |
4479 | ||
2a908241 | 4480 | for (const auto &elt : *info->file_symtabs) |
f8eba3c6 | 4481 | { |
2a908241 | 4482 | if (elt == nullptr) |
f8eba3c6 | 4483 | { |
b5ec771e | 4484 | iterate_over_all_matching_symtabs (info->state, lookup_name, |
56d87ef7 | 4485 | VAR_DOMAIN, search_domain, |
14bc53a8 PA |
4486 | pspace, true, [&] (symbol *sym) |
4487 | { return info->add_symbol (sym); }); | |
b5ec771e | 4488 | search_minsyms_for_name (info, lookup_name, pspace, NULL); |
f8eba3c6 TT |
4489 | } |
4490 | else if (pspace == NULL || pspace == SYMTAB_PSPACE (elt)) | |
4491 | { | |
87186c6a MMN |
4492 | int prev_len = VEC_length (symbolp, info->result.symbols); |
4493 | ||
f8eba3c6 TT |
4494 | /* Program spaces that are executing startup should have |
4495 | been filtered out earlier. */ | |
4496 | gdb_assert (!SYMTAB_PSPACE (elt)->executing_startup); | |
4497 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
b5ec771e PA |
4498 | iterate_over_file_blocks (elt, lookup_name, VAR_DOMAIN, |
4499 | [&] (symbol *sym) | |
14bc53a8 | 4500 | { return info->add_symbol (sym); }); |
87186c6a MMN |
4501 | |
4502 | /* If no new symbols were found in this iteration and this symtab | |
4503 | is in assembler, we might actually be looking for a label for | |
4504 | which we don't have debug info. Check for a minimal symbol in | |
4505 | this case. */ | |
4506 | if (prev_len == VEC_length (symbolp, info->result.symbols) | |
4507 | && elt->language == language_asm) | |
b5ec771e | 4508 | search_minsyms_for_name (info, lookup_name, pspace, elt); |
f8eba3c6 TT |
4509 | } |
4510 | } | |
0f5238ed TT |
4511 | } |
4512 | ||
14e91ac5 DC |
4513 | \f |
4514 | ||
413dad4d DC |
4515 | /* Now come some functions that are called from multiple places within |
4516 | decode_line_1. */ | |
4517 | ||
f8eba3c6 TT |
4518 | static int |
4519 | symbol_to_sal (struct symtab_and_line *result, | |
4520 | int funfirstline, struct symbol *sym) | |
413dad4d | 4521 | { |
413dad4d | 4522 | if (SYMBOL_CLASS (sym) == LOC_BLOCK) |
50641945 | 4523 | { |
f8eba3c6 TT |
4524 | *result = find_function_start_sal (sym, funfirstline); |
4525 | return 1; | |
50641945 | 4526 | } |
413dad4d DC |
4527 | else |
4528 | { | |
62853458 | 4529 | if (SYMBOL_CLASS (sym) == LOC_LABEL && SYMBOL_VALUE_ADDRESS (sym) != 0) |
413dad4d | 4530 | { |
51abb421 | 4531 | *result = {}; |
08be3fe3 | 4532 | result->symtab = symbol_symtab (sym); |
06871ae8 | 4533 | result->symbol = sym; |
f8eba3c6 TT |
4534 | result->line = SYMBOL_LINE (sym); |
4535 | result->pc = SYMBOL_VALUE_ADDRESS (sym); | |
08be3fe3 | 4536 | result->pspace = SYMTAB_PSPACE (result->symtab); |
f8eba3c6 TT |
4537 | result->explicit_pc = 1; |
4538 | return 1; | |
413dad4d | 4539 | } |
62853458 | 4540 | else if (funfirstline) |
dcf9f4ab | 4541 | { |
f8eba3c6 | 4542 | /* Nothing. */ |
dcf9f4ab | 4543 | } |
62853458 TT |
4544 | else if (SYMBOL_LINE (sym) != 0) |
4545 | { | |
4546 | /* We know its line number. */ | |
51abb421 | 4547 | *result = {}; |
08be3fe3 | 4548 | result->symtab = symbol_symtab (sym); |
06871ae8 | 4549 | result->symbol = sym; |
f8eba3c6 | 4550 | result->line = SYMBOL_LINE (sym); |
e5f25bc5 | 4551 | result->pc = SYMBOL_VALUE_ADDRESS (sym); |
08be3fe3 | 4552 | result->pspace = SYMTAB_PSPACE (result->symtab); |
f8eba3c6 | 4553 | return 1; |
62853458 | 4554 | } |
413dad4d | 4555 | } |
f8eba3c6 TT |
4556 | |
4557 | return 0; | |
413dad4d | 4558 | } |
50641945 | 4559 | |
16e802b9 | 4560 | linespec_result::~linespec_result () |
f8eba3c6 | 4561 | { |
6c5b2ebe PA |
4562 | for (linespec_sals &lsal : lsals) |
4563 | xfree (lsal.canonical); | |
7efd8fc2 | 4564 | } |
87f0e720 KS |
4565 | |
4566 | /* Return the quote characters permitted by the linespec parser. */ | |
4567 | ||
4568 | const char * | |
4569 | get_gdb_linespec_parser_quote_characters (void) | |
4570 | { | |
4571 | return linespec_quote_characters; | |
4572 | } |