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50641945 | 1 | /* Parser for linespec for the GNU debugger, GDB. |
05ff989b | 2 | |
e2882c85 | 3 | Copyright (C) 1986-2018 Free Software Foundation, Inc. |
50641945 FN |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
50641945 FN |
10 | (at your option) any later version. |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
50641945 FN |
19 | |
20 | #include "defs.h" | |
21 | #include "symtab.h" | |
c5f0f3d0 FN |
22 | #include "frame.h" |
23 | #include "command.h" | |
50641945 FN |
24 | #include "symfile.h" |
25 | #include "objfiles.h" | |
0378c332 | 26 | #include "source.h" |
50641945 | 27 | #include "demangle.h" |
c5f0f3d0 FN |
28 | #include "value.h" |
29 | #include "completer.h" | |
015a42b4 | 30 | #include "cp-abi.h" |
12907978 | 31 | #include "cp-support.h" |
c38da1af | 32 | #include "parser-defs.h" |
fe898f56 | 33 | #include "block.h" |
d2630e69 | 34 | #include "objc-lang.h" |
b9362cc7 | 35 | #include "linespec.h" |
53c5240f | 36 | #include "language.h" |
dc67126b NR |
37 | #include "interps.h" |
38 | #include "mi/mi-cmds.h" | |
bccdca4a | 39 | #include "target.h" |
94af9270 | 40 | #include "arch-utils.h" |
c00f8484 KS |
41 | #include <ctype.h> |
42 | #include "cli/cli-utils.h" | |
731971ed | 43 | #include "filenames.h" |
f8eba3c6 | 44 | #include "ada-lang.h" |
39cf75f7 | 45 | #include "stack.h" |
f00aae0f | 46 | #include "location.h" |
14bc53a8 | 47 | #include "common/function-view.h" |
0fc21fd8 | 48 | #include "common/def-vector.h" |
41c1efc6 | 49 | #include <algorithm> |
f8eba3c6 | 50 | |
c45ec17c PA |
51 | /* An enumeration of the various things a user might attempt to |
52 | complete for a linespec location. */ | |
53 | ||
54 | enum class linespec_complete_what | |
55 | { | |
56 | /* Nothing, no possible completion. */ | |
57 | NOTHING, | |
58 | ||
59 | /* A function/method name. Due to ambiguity between | |
60 | ||
61 | (gdb) b source[TAB] | |
62 | source_file.c | |
63 | source_function | |
64 | ||
65 | this can also indicate a source filename, iff we haven't seen a | |
66 | separate source filename component, as in "b source.c:function". */ | |
67 | FUNCTION, | |
68 | ||
69 | /* A label symbol. E.g., break file.c:function:LABEL. */ | |
70 | LABEL, | |
71 | ||
72 | /* An expression. E.g., "break foo if EXPR", or "break *EXPR". */ | |
73 | EXPRESSION, | |
74 | ||
75 | /* A linespec keyword ("if"/"thread"/"task"). | |
76 | E.g., "break func threa<tab>". */ | |
77 | KEYWORD, | |
78 | }; | |
79 | ||
f8eba3c6 TT |
80 | typedef struct symbol *symbolp; |
81 | DEF_VEC_P (symbolp); | |
82 | ||
83 | typedef struct type *typep; | |
84 | DEF_VEC_P (typep); | |
85 | ||
86 | /* An address entry is used to ensure that any given location is only | |
87 | added to the result a single time. It holds an address and the | |
88 | program space from which the address came. */ | |
89 | ||
90 | struct address_entry | |
91 | { | |
92 | struct program_space *pspace; | |
93 | CORE_ADDR addr; | |
94 | }; | |
95 | ||
f60e2d5c | 96 | typedef struct bound_minimal_symbol bound_minimal_symbol_d; |
40e084e1 | 97 | |
f60e2d5c | 98 | DEF_VEC_O (bound_minimal_symbol_d); |
40e084e1 | 99 | |
40e084e1 KS |
100 | /* A linespec. Elements of this structure are filled in by a parser |
101 | (either parse_linespec or some other function). The structure is | |
102 | then converted into SALs by convert_linespec_to_sals. */ | |
103 | ||
104 | struct linespec | |
105 | { | |
00e52e53 | 106 | /* An explicit location describing the SaLs. */ |
67994074 | 107 | struct explicit_location explicit_loc; |
40e084e1 KS |
108 | |
109 | /* The list of symtabs to search to which to limit the search. May not | |
00e52e53 KS |
110 | be NULL. If explicit.SOURCE_FILENAME is NULL (no user-specified |
111 | filename), FILE_SYMTABS should contain one single NULL member. This | |
112 | will cause the code to use the default symtab. */ | |
ec94af83 | 113 | VEC (symtab_ptr) *file_symtabs; |
40e084e1 | 114 | |
40e084e1 KS |
115 | /* A list of matching function symbols and minimal symbols. Both lists |
116 | may be NULL if no matching symbols were found. */ | |
117 | VEC (symbolp) *function_symbols; | |
f60e2d5c | 118 | VEC (bound_minimal_symbol_d) *minimal_symbols; |
40e084e1 | 119 | |
40e084e1 KS |
120 | /* A structure of matching label symbols and the corresponding |
121 | function symbol in which the label was found. Both may be NULL | |
122 | or both must be non-NULL. */ | |
123 | struct | |
124 | { | |
125 | VEC (symbolp) *label_symbols; | |
126 | VEC (symbolp) *function_symbols; | |
127 | } labels; | |
40e084e1 KS |
128 | }; |
129 | typedef struct linespec *linespec_p; | |
130 | ||
33f448b1 JK |
131 | /* A canonical linespec represented as a symtab-related string. |
132 | ||
133 | Each entry represents the "SYMTAB:SUFFIX" linespec string. | |
134 | SYMTAB can be converted for example by symtab_to_fullname or | |
135 | symtab_to_filename_for_display as needed. */ | |
136 | ||
137 | struct linespec_canonical_name | |
138 | { | |
139 | /* Remaining text part of the linespec string. */ | |
140 | char *suffix; | |
141 | ||
142 | /* If NULL then SUFFIX is the whole linespec string. */ | |
143 | struct symtab *symtab; | |
144 | }; | |
145 | ||
f8eba3c6 TT |
146 | /* An instance of this is used to keep all state while linespec |
147 | operates. This instance is passed around as a 'this' pointer to | |
148 | the various implementation methods. */ | |
149 | ||
150 | struct linespec_state | |
151 | { | |
40e084e1 KS |
152 | /* The language in use during linespec processing. */ |
153 | const struct language_defn *language; | |
154 | ||
f8eba3c6 TT |
155 | /* The program space as seen when the module was entered. */ |
156 | struct program_space *program_space; | |
157 | ||
c2f4122d PA |
158 | /* If not NULL, the search is restricted to just this program |
159 | space. */ | |
160 | struct program_space *search_pspace; | |
161 | ||
f8eba3c6 TT |
162 | /* The default symtab to use, if no other symtab is specified. */ |
163 | struct symtab *default_symtab; | |
164 | ||
165 | /* The default line to use. */ | |
166 | int default_line; | |
167 | ||
f8eba3c6 TT |
168 | /* The 'funfirstline' value that was passed in to decode_line_1 or |
169 | decode_line_full. */ | |
170 | int funfirstline; | |
171 | ||
172 | /* Nonzero if we are running in 'list' mode; see decode_line_list. */ | |
173 | int list_mode; | |
174 | ||
175 | /* The 'canonical' value passed to decode_line_full, or NULL. */ | |
176 | struct linespec_result *canonical; | |
177 | ||
6c5b2ebe | 178 | /* Canonical strings that mirror the std::vector<symtab_and_line> result. */ |
33f448b1 | 179 | struct linespec_canonical_name *canonical_names; |
f8eba3c6 TT |
180 | |
181 | /* This is a set of address_entry objects which is used to prevent | |
182 | duplicate symbols from being entered into the result. */ | |
183 | htab_t addr_set; | |
00e52e53 KS |
184 | |
185 | /* Are we building a linespec? */ | |
186 | int is_linespec; | |
f8eba3c6 TT |
187 | }; |
188 | ||
189 | /* This is a helper object that is used when collecting symbols into a | |
190 | result. */ | |
191 | ||
192 | struct collect_info | |
193 | { | |
194 | /* The linespec object in use. */ | |
195 | struct linespec_state *state; | |
196 | ||
40e084e1 | 197 | /* A list of symtabs to which to restrict matches. */ |
ec94af83 | 198 | VEC (symtab_ptr) *file_symtabs; |
40e084e1 | 199 | |
f8eba3c6 | 200 | /* The result being accumulated. */ |
40e084e1 KS |
201 | struct |
202 | { | |
203 | VEC (symbolp) *symbols; | |
f60e2d5c | 204 | VEC (bound_minimal_symbol_d) *minimal_symbols; |
40e084e1 | 205 | } result; |
14bc53a8 PA |
206 | |
207 | /* Possibly add a symbol to the results. */ | |
208 | bool add_symbol (symbol *sym); | |
f8eba3c6 | 209 | }; |
50641945 | 210 | |
14bc53a8 PA |
211 | bool |
212 | collect_info::add_symbol (symbol *sym) | |
213 | { | |
214 | /* In list mode, add all matching symbols, regardless of class. | |
215 | This allows the user to type "list a_global_variable". */ | |
216 | if (SYMBOL_CLASS (sym) == LOC_BLOCK || this->state->list_mode) | |
217 | VEC_safe_push (symbolp, this->result.symbols, sym); | |
218 | ||
219 | /* Continue iterating. */ | |
220 | return true; | |
221 | } | |
222 | ||
40e084e1 | 223 | /* Token types */ |
50641945 | 224 | |
40e084e1 KS |
225 | enum ls_token_type |
226 | { | |
227 | /* A keyword */ | |
228 | LSTOKEN_KEYWORD = 0, | |
44fe14ab | 229 | |
40e084e1 KS |
230 | /* A colon "separator" */ |
231 | LSTOKEN_COLON, | |
44fe14ab | 232 | |
40e084e1 KS |
233 | /* A string */ |
234 | LSTOKEN_STRING, | |
0960f083 | 235 | |
40e084e1 KS |
236 | /* A number */ |
237 | LSTOKEN_NUMBER, | |
238 | ||
239 | /* A comma */ | |
240 | LSTOKEN_COMMA, | |
241 | ||
242 | /* EOI (end of input) */ | |
243 | LSTOKEN_EOI, | |
244 | ||
245 | /* Consumed token */ | |
246 | LSTOKEN_CONSUMED | |
247 | }; | |
248 | typedef enum ls_token_type linespec_token_type; | |
249 | ||
c6756f62 PA |
250 | /* List of keywords. This is NULL-terminated so that it can be used |
251 | as enum completer. */ | |
252 | const char * const linespec_keywords[] = { "if", "thread", "task", NULL }; | |
0578b14e | 253 | #define IF_KEYWORD_INDEX 0 |
40e084e1 KS |
254 | |
255 | /* A token of the linespec lexer */ | |
256 | ||
257 | struct ls_token | |
258 | { | |
259 | /* The type of the token */ | |
260 | linespec_token_type type; | |
261 | ||
262 | /* Data for the token */ | |
263 | union | |
264 | { | |
265 | /* A string, given as a stoken */ | |
266 | struct stoken string; | |
267 | ||
268 | /* A keyword */ | |
269 | const char *keyword; | |
270 | } data; | |
271 | }; | |
272 | typedef struct ls_token linespec_token; | |
273 | ||
274 | #define LS_TOKEN_STOKEN(TOK) (TOK).data.string | |
275 | #define LS_TOKEN_KEYWORD(TOK) (TOK).data.keyword | |
276 | ||
277 | /* An instance of the linespec parser. */ | |
278 | ||
279 | struct ls_parser | |
280 | { | |
281 | /* Lexer internal data */ | |
282 | struct | |
283 | { | |
284 | /* Save head of input stream. */ | |
d7561cbb | 285 | const char *saved_arg; |
d2630e69 | 286 | |
40e084e1 | 287 | /* Head of the input stream. */ |
f00aae0f KS |
288 | const char *stream; |
289 | #define PARSER_STREAM(P) ((P)->lexer.stream) | |
614b3b14 | 290 | |
40e084e1 KS |
291 | /* The current token. */ |
292 | linespec_token current; | |
293 | } lexer; | |
93d91629 | 294 | |
40e084e1 KS |
295 | /* Is the entire linespec quote-enclosed? */ |
296 | int is_quote_enclosed; | |
297 | ||
298 | /* The state of the parse. */ | |
299 | struct linespec_state state; | |
300 | #define PARSER_STATE(PPTR) (&(PPTR)->state) | |
4224873a | 301 | |
40e084e1 KS |
302 | /* The result of the parse. */ |
303 | struct linespec result; | |
304 | #define PARSER_RESULT(PPTR) (&(PPTR)->result) | |
c45ec17c PA |
305 | |
306 | /* What the parser believes the current word point should complete | |
307 | to. */ | |
308 | linespec_complete_what complete_what; | |
309 | ||
310 | /* The completion word point. The parser advances this as it skips | |
311 | tokens. At some point the input string will end or parsing will | |
312 | fail, and then we attempt completion at the captured completion | |
313 | word point, interpreting the string at completion_word as | |
314 | COMPLETE_WHAT. */ | |
315 | const char *completion_word; | |
316 | ||
317 | /* If the current token was a quoted string, then this is the | |
318 | quoting character (either " or '). */ | |
319 | int completion_quote_char; | |
320 | ||
321 | /* If the current token was a quoted string, then this points at the | |
322 | end of the quoted string. */ | |
323 | const char *completion_quote_end; | |
324 | ||
325 | /* If parsing for completion, then this points at the completion | |
326 | tracker. Otherwise, this is NULL. */ | |
327 | struct completion_tracker *completion_tracker; | |
40e084e1 KS |
328 | }; |
329 | typedef struct ls_parser linespec_parser; | |
50641945 | 330 | |
00e52e53 KS |
331 | /* A convenience macro for accessing the explicit location result of |
332 | the parser. */ | |
67994074 | 333 | #define PARSER_EXPLICIT(PPTR) (&PARSER_RESULT ((PPTR))->explicit_loc) |
00e52e53 | 334 | |
40e084e1 | 335 | /* Prototypes for local functions. */ |
50641945 | 336 | |
14bc53a8 | 337 | static void iterate_over_file_blocks |
b5ec771e PA |
338 | (struct symtab *symtab, const lookup_name_info &name, |
339 | domain_enum domain, | |
14bc53a8 | 340 | gdb::function_view<symbol_found_callback_ftype> callback); |
4eeaa230 | 341 | |
40e084e1 KS |
342 | static void initialize_defaults (struct symtab **default_symtab, |
343 | int *default_line); | |
50641945 | 344 | |
a06efdd6 | 345 | CORE_ADDR linespec_expression_to_pc (const char **exp_ptr); |
aee8d8ba | 346 | |
6c5b2ebe PA |
347 | static std::vector<symtab_and_line> decode_objc (struct linespec_state *self, |
348 | linespec_p ls, | |
349 | const char *arg); | |
aee8d8ba | 350 | |
c2f4122d PA |
351 | static VEC (symtab_ptr) *symtabs_from_filename (const char *, |
352 | struct program_space *pspace); | |
50641945 | 353 | |
40e084e1 KS |
354 | static VEC (symbolp) *find_label_symbols (struct linespec_state *self, |
355 | VEC (symbolp) *function_symbols, | |
356 | VEC (symbolp) **label_funcs_ret, | |
a2459270 PA |
357 | const char *name, |
358 | bool completion_mode = false); | |
50641945 | 359 | |
b1ae631a | 360 | static void find_linespec_symbols (struct linespec_state *self, |
ec94af83 | 361 | VEC (symtab_ptr) *file_symtabs, |
b1ae631a | 362 | const char *name, |
a20714ff | 363 | symbol_name_match_type name_match_type, |
b1ae631a | 364 | VEC (symbolp) **symbols, |
f60e2d5c | 365 | VEC (bound_minimal_symbol_d) **minsyms); |
f8eba3c6 | 366 | |
40e084e1 KS |
367 | static struct line_offset |
368 | linespec_parse_variable (struct linespec_state *self, | |
369 | const char *variable); | |
889f28e2 | 370 | |
f8eba3c6 TT |
371 | static int symbol_to_sal (struct symtab_and_line *result, |
372 | int funfirstline, struct symbol *sym); | |
50641945 | 373 | |
f8eba3c6 | 374 | static void add_matching_symbols_to_info (const char *name, |
b5ec771e | 375 | symbol_name_match_type name_match_type, |
56d87ef7 | 376 | enum search_domain search_domain, |
f8eba3c6 TT |
377 | struct collect_info *info, |
378 | struct program_space *pspace); | |
f3c39e76 | 379 | |
9b2f8581 TT |
380 | static void add_all_symbol_names_from_pspace |
381 | (struct collect_info *info, struct program_space *pspace, | |
382 | const std::vector<const char *> &names, enum search_domain search_domain); | |
9ef07c8c | 383 | |
c2f4122d PA |
384 | static VEC (symtab_ptr) * |
385 | collect_symtabs_from_filename (const char *file, | |
386 | struct program_space *pspace); | |
84fba31b | 387 | |
6c5b2ebe PA |
388 | static std::vector<symtab_and_line> decode_digits_ordinary |
389 | (struct linespec_state *self, | |
390 | linespec_p ls, | |
391 | int line, | |
392 | linetable_entry **best_entry); | |
14e91ac5 | 393 | |
6c5b2ebe PA |
394 | static std::vector<symtab_and_line> decode_digits_list_mode |
395 | (struct linespec_state *self, | |
396 | linespec_p ls, | |
397 | struct symtab_and_line val); | |
0f5238ed | 398 | |
40e084e1 KS |
399 | static void minsym_found (struct linespec_state *self, struct objfile *objfile, |
400 | struct minimal_symbol *msymbol, | |
6c5b2ebe | 401 | std::vector<symtab_and_line> *result); |
bca02a8a | 402 | |
40e084e1 | 403 | static int compare_symbols (const void *a, const void *b); |
413dad4d | 404 | |
40e084e1 | 405 | static int compare_msymbols (const void *a, const void *b); |
413dad4d | 406 | |
40e084e1 KS |
407 | /* Permitted quote characters for the parser. This is different from the |
408 | completer's quote characters to allow backward compatibility with the | |
409 | previous parser. */ | |
410 | static const char *const linespec_quote_characters = "\"\'"; | |
f8eba3c6 | 411 | |
40e084e1 KS |
412 | /* Lexer functions. */ |
413 | ||
414 | /* Lex a number from the input in PARSER. This only supports | |
dd3818c8 KS |
415 | decimal numbers. |
416 | ||
d7cbec71 | 417 | Return true if input is decimal numbers. Return false if not. */ |
40e084e1 | 418 | |
d7cbec71 HZ |
419 | static int |
420 | linespec_lexer_lex_number (linespec_parser *parser, linespec_token *tokenp) | |
40e084e1 | 421 | { |
d7cbec71 HZ |
422 | tokenp->type = LSTOKEN_NUMBER; |
423 | LS_TOKEN_STOKEN (*tokenp).length = 0; | |
424 | LS_TOKEN_STOKEN (*tokenp).ptr = PARSER_STREAM (parser); | |
40e084e1 KS |
425 | |
426 | /* Keep any sign at the start of the stream. */ | |
427 | if (*PARSER_STREAM (parser) == '+' || *PARSER_STREAM (parser) == '-') | |
428 | { | |
d7cbec71 | 429 | ++LS_TOKEN_STOKEN (*tokenp).length; |
40e084e1 KS |
430 | ++(PARSER_STREAM (parser)); |
431 | } | |
432 | ||
433 | while (isdigit (*PARSER_STREAM (parser))) | |
434 | { | |
d7cbec71 | 435 | ++LS_TOKEN_STOKEN (*tokenp).length; |
40e084e1 | 436 | ++(PARSER_STREAM (parser)); |
f8eba3c6 | 437 | } |
40e084e1 | 438 | |
dd3818c8 | 439 | /* If the next character in the input buffer is not a space, comma, |
eff9c3e6 | 440 | quote, or colon, this input does not represent a number. */ |
dd3818c8 KS |
441 | if (*PARSER_STREAM (parser) != '\0' |
442 | && !isspace (*PARSER_STREAM (parser)) && *PARSER_STREAM (parser) != ',' | |
eff9c3e6 KS |
443 | && *PARSER_STREAM (parser) != ':' |
444 | && !strchr (linespec_quote_characters, *PARSER_STREAM (parser))) | |
d7cbec71 HZ |
445 | { |
446 | PARSER_STREAM (parser) = LS_TOKEN_STOKEN (*tokenp).ptr; | |
447 | return 0; | |
448 | } | |
449 | ||
450 | return 1; | |
f8eba3c6 TT |
451 | } |
452 | ||
32b40af9 | 453 | /* See linespec.h. */ |
f8eba3c6 | 454 | |
0578b14e | 455 | const char * |
40e084e1 | 456 | linespec_lexer_lex_keyword (const char *p) |
f8eba3c6 | 457 | { |
40e084e1 | 458 | int i; |
f8eba3c6 | 459 | |
40e084e1 KS |
460 | if (p != NULL) |
461 | { | |
c6756f62 | 462 | for (i = 0; linespec_keywords[i] != NULL; ++i) |
40e084e1 KS |
463 | { |
464 | int len = strlen (linespec_keywords[i]); | |
465 | ||
466 | /* If P begins with one of the keywords and the next | |
0578b14e KS |
467 | character is whitespace, we may have found a keyword. |
468 | It is only a keyword if it is not followed by another | |
469 | keyword. */ | |
40e084e1 | 470 | if (strncmp (p, linespec_keywords[i], len) == 0 |
0578b14e KS |
471 | && isspace (p[len])) |
472 | { | |
473 | int j; | |
474 | ||
475 | /* Special case: "if" ALWAYS stops the lexer, since it | |
476 | is not possible to predict what is going to appear in | |
477 | the condition, which can only be parsed after SaLs have | |
478 | been found. */ | |
479 | if (i != IF_KEYWORD_INDEX) | |
480 | { | |
481 | p += len; | |
f1735a53 | 482 | p = skip_spaces (p); |
c6756f62 | 483 | for (j = 0; linespec_keywords[j] != NULL; ++j) |
0578b14e KS |
484 | { |
485 | int nextlen = strlen (linespec_keywords[j]); | |
486 | ||
487 | if (strncmp (p, linespec_keywords[j], nextlen) == 0 | |
488 | && isspace (p[nextlen])) | |
489 | return NULL; | |
490 | } | |
491 | } | |
492 | ||
493 | return linespec_keywords[i]; | |
494 | } | |
40e084e1 KS |
495 | } |
496 | } | |
497 | ||
498 | return NULL; | |
f8eba3c6 TT |
499 | } |
500 | ||
87f0e720 | 501 | /* See description in linespec.h. */ |
f8eba3c6 | 502 | |
87f0e720 | 503 | int |
40e084e1 | 504 | is_ada_operator (const char *string) |
f8eba3c6 | 505 | { |
40e084e1 | 506 | const struct ada_opname_map *mapping; |
f8eba3c6 | 507 | |
40e084e1 KS |
508 | for (mapping = ada_opname_table; |
509 | mapping->encoded != NULL | |
61012eef | 510 | && !startswith (string, mapping->decoded); ++mapping) |
40e084e1 KS |
511 | ; |
512 | ||
513 | return mapping->decoded == NULL ? 0 : strlen (mapping->decoded); | |
f8eba3c6 TT |
514 | } |
515 | ||
40e084e1 KS |
516 | /* Find QUOTE_CHAR in STRING, accounting for the ':' terminal. Return |
517 | the location of QUOTE_CHAR, or NULL if not found. */ | |
f8eba3c6 | 518 | |
40e084e1 KS |
519 | static const char * |
520 | skip_quote_char (const char *string, char quote_char) | |
f8eba3c6 | 521 | { |
40e084e1 | 522 | const char *p, *last; |
f8eba3c6 | 523 | |
40e084e1 KS |
524 | p = last = find_toplevel_char (string, quote_char); |
525 | while (p && *p != '\0' && *p != ':') | |
526 | { | |
527 | p = find_toplevel_char (p, quote_char); | |
528 | if (p != NULL) | |
529 | last = p++; | |
530 | } | |
f8eba3c6 | 531 | |
40e084e1 | 532 | return last; |
f8eba3c6 | 533 | } |
50641945 | 534 | |
40e084e1 KS |
535 | /* Make a writable copy of the string given in TOKEN, trimming |
536 | any trailing whitespace. */ | |
50641945 | 537 | |
a5b5adf5 | 538 | static gdb::unique_xmalloc_ptr<char> |
40e084e1 | 539 | copy_token_string (linespec_token token) |
50641945 | 540 | { |
a5b5adf5 | 541 | const char *str, *s; |
e0881a8e | 542 | |
40e084e1 | 543 | if (token.type == LSTOKEN_KEYWORD) |
a5b5adf5 | 544 | return gdb::unique_xmalloc_ptr<char> (xstrdup (LS_TOKEN_KEYWORD (token))); |
255e7dbf | 545 | |
a5b5adf5 | 546 | str = LS_TOKEN_STOKEN (token).ptr; |
40e084e1 | 547 | s = remove_trailing_whitespace (str, str + LS_TOKEN_STOKEN (token).length); |
e0881a8e | 548 | |
a5b5adf5 | 549 | return gdb::unique_xmalloc_ptr<char> (savestring (str, s - str)); |
40e084e1 | 550 | } |
255e7dbf | 551 | |
40e084e1 | 552 | /* Does P represent the end of a quote-enclosed linespec? */ |
f3a5f1de | 553 | |
40e084e1 KS |
554 | static int |
555 | is_closing_quote_enclosed (const char *p) | |
556 | { | |
557 | if (strchr (linespec_quote_characters, *p)) | |
558 | ++p; | |
559 | p = skip_spaces ((char *) p); | |
560 | return (*p == '\0' || linespec_lexer_lex_keyword (p)); | |
50641945 FN |
561 | } |
562 | ||
40e084e1 KS |
563 | /* Find the end of the parameter list that starts with *INPUT. |
564 | This helper function assists with lexing string segments | |
565 | which might contain valid (non-terminating) commas. */ | |
481860b3 | 566 | |
d7561cbb KS |
567 | static const char * |
568 | find_parameter_list_end (const char *input) | |
481860b3 | 569 | { |
40e084e1 KS |
570 | char end_char, start_char; |
571 | int depth; | |
d7561cbb | 572 | const char *p; |
481860b3 | 573 | |
40e084e1 KS |
574 | start_char = *input; |
575 | if (start_char == '(') | |
576 | end_char = ')'; | |
577 | else if (start_char == '<') | |
578 | end_char = '>'; | |
579 | else | |
580 | return NULL; | |
481860b3 | 581 | |
40e084e1 KS |
582 | p = input; |
583 | depth = 0; | |
584 | while (*p) | |
481860b3 | 585 | { |
40e084e1 KS |
586 | if (*p == start_char) |
587 | ++depth; | |
588 | else if (*p == end_char) | |
589 | { | |
590 | if (--depth == 0) | |
591 | { | |
592 | ++p; | |
593 | break; | |
594 | } | |
595 | } | |
596 | ++p; | |
481860b3 | 597 | } |
40e084e1 KS |
598 | |
599 | return p; | |
481860b3 GB |
600 | } |
601 | ||
c45ec17c PA |
602 | /* If the [STRING, STRING_LEN) string ends with what looks like a |
603 | keyword, return the keyword start offset in STRING. Return -1 | |
604 | otherwise. */ | |
605 | ||
606 | static size_t | |
607 | string_find_incomplete_keyword_at_end (const char * const *keywords, | |
608 | const char *string, size_t string_len) | |
609 | { | |
610 | const char *end = string + string_len; | |
611 | const char *p = end; | |
612 | ||
613 | while (p > string && *p != ' ') | |
614 | --p; | |
615 | if (p > string) | |
616 | { | |
617 | p++; | |
618 | size_t len = end - p; | |
619 | for (size_t i = 0; keywords[i] != NULL; ++i) | |
620 | if (strncmp (keywords[i], p, len) == 0) | |
621 | return p - string; | |
622 | } | |
623 | ||
624 | return -1; | |
625 | } | |
74ccd7f5 | 626 | |
40e084e1 KS |
627 | /* Lex a string from the input in PARSER. */ |
628 | ||
629 | static linespec_token | |
630 | linespec_lexer_lex_string (linespec_parser *parser) | |
74ccd7f5 | 631 | { |
40e084e1 | 632 | linespec_token token; |
d7561cbb | 633 | const char *start = PARSER_STREAM (parser); |
74ccd7f5 | 634 | |
40e084e1 | 635 | token.type = LSTOKEN_STRING; |
74ccd7f5 | 636 | |
40e084e1 KS |
637 | /* If the input stream starts with a quote character, skip to the next |
638 | quote character, regardless of the content. */ | |
639 | if (strchr (linespec_quote_characters, *PARSER_STREAM (parser))) | |
640 | { | |
641 | const char *end; | |
642 | char quote_char = *PARSER_STREAM (parser); | |
50641945 | 643 | |
40e084e1 KS |
644 | /* Special case: Ada operators. */ |
645 | if (PARSER_STATE (parser)->language->la_language == language_ada | |
646 | && quote_char == '\"') | |
647 | { | |
648 | int len = is_ada_operator (PARSER_STREAM (parser)); | |
50641945 | 649 | |
40e084e1 KS |
650 | if (len != 0) |
651 | { | |
652 | /* The input is an Ada operator. Return the quoted string | |
653 | as-is. */ | |
654 | LS_TOKEN_STOKEN (token).ptr = PARSER_STREAM (parser); | |
655 | LS_TOKEN_STOKEN (token).length = len; | |
656 | PARSER_STREAM (parser) += len; | |
657 | return token; | |
658 | } | |
f8eba3c6 | 659 | |
40e084e1 KS |
660 | /* The input does not represent an Ada operator -- fall through |
661 | to normal quoted string handling. */ | |
662 | } | |
f8eba3c6 | 663 | |
40e084e1 KS |
664 | /* Skip past the beginning quote. */ |
665 | ++(PARSER_STREAM (parser)); | |
74ccd7f5 | 666 | |
40e084e1 KS |
667 | /* Mark the start of the string. */ |
668 | LS_TOKEN_STOKEN (token).ptr = PARSER_STREAM (parser); | |
f8eba3c6 | 669 | |
40e084e1 KS |
670 | /* Skip to the ending quote. */ |
671 | end = skip_quote_char (PARSER_STREAM (parser), quote_char); | |
672 | ||
c45ec17c PA |
673 | /* This helps the completer mode decide whether we have a |
674 | complete string. */ | |
675 | parser->completion_quote_char = quote_char; | |
676 | parser->completion_quote_end = end; | |
40e084e1 | 677 | |
c45ec17c PA |
678 | /* Error if the input did not terminate properly, unless in |
679 | completion mode. */ | |
680 | if (end == NULL) | |
681 | { | |
682 | if (parser->completion_tracker == NULL) | |
683 | error (_("unmatched quote")); | |
684 | ||
685 | /* In completion mode, we'll try to complete the incomplete | |
686 | token. */ | |
687 | token.type = LSTOKEN_STRING; | |
688 | while (*PARSER_STREAM (parser) != '\0') | |
689 | PARSER_STREAM (parser)++; | |
690 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 1 - start; | |
691 | } | |
692 | else | |
693 | { | |
694 | /* Skip over the ending quote and mark the length of the string. */ | |
695 | PARSER_STREAM (parser) = (char *) ++end; | |
696 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 2 - start; | |
697 | } | |
40e084e1 KS |
698 | } |
699 | else | |
700 | { | |
d7561cbb | 701 | const char *p; |
40e084e1 KS |
702 | |
703 | /* Otherwise, only identifier characters are permitted. | |
704 | Spaces are the exception. In general, we keep spaces, | |
705 | but only if the next characters in the input do not resolve | |
706 | to one of the keywords. | |
707 | ||
708 | This allows users to forgo quoting CV-qualifiers, template arguments, | |
709 | and similar common language constructs. */ | |
710 | ||
711 | while (1) | |
712 | { | |
713 | if (isspace (*PARSER_STREAM (parser))) | |
714 | { | |
f1735a53 | 715 | p = skip_spaces (PARSER_STREAM (parser)); |
7c09e5a0 DE |
716 | /* When we get here we know we've found something followed by |
717 | a space (we skip over parens and templates below). | |
718 | So if we find a keyword now, we know it is a keyword and not, | |
719 | say, a function name. */ | |
40e084e1 KS |
720 | if (linespec_lexer_lex_keyword (p) != NULL) |
721 | { | |
722 | LS_TOKEN_STOKEN (token).ptr = start; | |
723 | LS_TOKEN_STOKEN (token).length | |
724 | = PARSER_STREAM (parser) - start; | |
725 | return token; | |
726 | } | |
727 | ||
728 | /* Advance past the whitespace. */ | |
729 | PARSER_STREAM (parser) = p; | |
730 | } | |
731 | ||
732 | /* If the next character is EOI or (single) ':', the | |
733 | string is complete; return the token. */ | |
734 | if (*PARSER_STREAM (parser) == 0) | |
735 | { | |
736 | LS_TOKEN_STOKEN (token).ptr = start; | |
737 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
738 | return token; | |
739 | } | |
740 | else if (PARSER_STREAM (parser)[0] == ':') | |
741 | { | |
742 | /* Do not tokenize the C++ scope operator. */ | |
743 | if (PARSER_STREAM (parser)[1] == ':') | |
744 | ++(PARSER_STREAM (parser)); | |
745 | ||
bd69330d PA |
746 | /* Do not tokenize ABI tags such as "[abi:cxx11]". */ |
747 | else if (PARSER_STREAM (parser) - start > 4 | |
748 | && startswith (PARSER_STREAM (parser) - 4, "[abi")) | |
749 | ++(PARSER_STREAM (parser)); | |
750 | ||
40e084e1 KS |
751 | /* Do not tokenify if the input length so far is one |
752 | (i.e, a single-letter drive name) and the next character | |
753 | is a directory separator. This allows Windows-style | |
754 | paths to be recognized as filenames without quoting it. */ | |
755 | else if ((PARSER_STREAM (parser) - start) != 1 | |
756 | || !IS_DIR_SEPARATOR (PARSER_STREAM (parser)[1])) | |
757 | { | |
758 | LS_TOKEN_STOKEN (token).ptr = start; | |
759 | LS_TOKEN_STOKEN (token).length | |
760 | = PARSER_STREAM (parser) - start; | |
761 | return token; | |
762 | } | |
763 | } | |
764 | /* Special case: permit quote-enclosed linespecs. */ | |
765 | else if (parser->is_quote_enclosed | |
766 | && strchr (linespec_quote_characters, | |
767 | *PARSER_STREAM (parser)) | |
768 | && is_closing_quote_enclosed (PARSER_STREAM (parser))) | |
769 | { | |
770 | LS_TOKEN_STOKEN (token).ptr = start; | |
771 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
772 | return token; | |
773 | } | |
774 | /* Because commas may terminate a linespec and appear in | |
775 | the middle of valid string input, special cases for | |
776 | '<' and '(' are necessary. */ | |
777 | else if (*PARSER_STREAM (parser) == '<' | |
778 | || *PARSER_STREAM (parser) == '(') | |
779 | { | |
be966d42 PA |
780 | /* Don't interpret 'operator<' / 'operator<<' as a |
781 | template parameter list though. */ | |
782 | if (*PARSER_STREAM (parser) == '<' | |
783 | && (PARSER_STATE (parser)->language->la_language | |
784 | == language_cplus) | |
785 | && (PARSER_STREAM (parser) - start) >= CP_OPERATOR_LEN) | |
786 | { | |
787 | const char *p = PARSER_STREAM (parser); | |
788 | ||
789 | while (p > start && isspace (p[-1])) | |
790 | p--; | |
791 | if (p - start >= CP_OPERATOR_LEN) | |
792 | { | |
793 | p -= CP_OPERATOR_LEN; | |
794 | if (strncmp (p, CP_OPERATOR_STR, CP_OPERATOR_LEN) == 0 | |
795 | && (p == start | |
796 | || !(isalnum (p[-1]) || p[-1] == '_'))) | |
797 | { | |
798 | /* This is an operator name. Keep going. */ | |
799 | ++(PARSER_STREAM (parser)); | |
800 | if (*PARSER_STREAM (parser) == '<') | |
801 | ++(PARSER_STREAM (parser)); | |
802 | continue; | |
803 | } | |
804 | } | |
805 | } | |
806 | ||
807 | const char *p = find_parameter_list_end (PARSER_STREAM (parser)); | |
808 | PARSER_STREAM (parser) = p; | |
40e084e1 | 809 | |
be966d42 PA |
810 | /* Don't loop around to the normal \0 case above because |
811 | we don't want to misinterpret a potential keyword at | |
812 | the end of the token when the string isn't | |
813 | "()<>"-balanced. This handles "b | |
814 | function(thread<tab>" in completion mode. */ | |
815 | if (*p == '\0') | |
40e084e1 | 816 | { |
be966d42 PA |
817 | LS_TOKEN_STOKEN (token).ptr = start; |
818 | LS_TOKEN_STOKEN (token).length | |
819 | = PARSER_STREAM (parser) - start; | |
820 | return token; | |
40e084e1 | 821 | } |
be966d42 PA |
822 | else |
823 | continue; | |
40e084e1 KS |
824 | } |
825 | /* Commas are terminators, but not if they are part of an | |
826 | operator name. */ | |
827 | else if (*PARSER_STREAM (parser) == ',') | |
828 | { | |
829 | if ((PARSER_STATE (parser)->language->la_language | |
830 | == language_cplus) | |
8090b426 | 831 | && (PARSER_STREAM (parser) - start) > CP_OPERATOR_LEN) |
40e084e1 | 832 | { |
8090b426 | 833 | const char *p = strstr (start, CP_OPERATOR_STR); |
40e084e1 KS |
834 | |
835 | if (p != NULL && is_operator_name (p)) | |
836 | { | |
837 | /* This is an operator name. Keep going. */ | |
838 | ++(PARSER_STREAM (parser)); | |
839 | continue; | |
840 | } | |
841 | } | |
842 | ||
843 | /* Comma terminates the string. */ | |
844 | LS_TOKEN_STOKEN (token).ptr = start; | |
845 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
846 | return token; | |
847 | } | |
848 | ||
849 | /* Advance the stream. */ | |
850 | ++(PARSER_STREAM (parser)); | |
851 | } | |
852 | } | |
853 | ||
854 | return token; | |
855 | } | |
856 | ||
857 | /* Lex a single linespec token from PARSER. */ | |
858 | ||
859 | static linespec_token | |
860 | linespec_lexer_lex_one (linespec_parser *parser) | |
861 | { | |
862 | const char *keyword; | |
863 | ||
864 | if (parser->lexer.current.type == LSTOKEN_CONSUMED) | |
865 | { | |
866 | /* Skip any whitespace. */ | |
f1735a53 | 867 | PARSER_STREAM (parser) = skip_spaces (PARSER_STREAM (parser)); |
40e084e1 | 868 | |
7c09e5a0 | 869 | /* Check for a keyword, they end the linespec. */ |
0578b14e | 870 | keyword = linespec_lexer_lex_keyword (PARSER_STREAM (parser)); |
40e084e1 KS |
871 | if (keyword != NULL) |
872 | { | |
873 | parser->lexer.current.type = LSTOKEN_KEYWORD; | |
874 | LS_TOKEN_KEYWORD (parser->lexer.current) = keyword; | |
0578b14e KS |
875 | /* We do not advance the stream here intentionally: |
876 | we would like lexing to stop when a keyword is seen. | |
877 | ||
878 | PARSER_STREAM (parser) += strlen (keyword); */ | |
879 | ||
40e084e1 KS |
880 | return parser->lexer.current; |
881 | } | |
882 | ||
883 | /* Handle other tokens. */ | |
884 | switch (*PARSER_STREAM (parser)) | |
885 | { | |
886 | case 0: | |
887 | parser->lexer.current.type = LSTOKEN_EOI; | |
888 | break; | |
889 | ||
890 | case '+': case '-': | |
891 | case '0': case '1': case '2': case '3': case '4': | |
892 | case '5': case '6': case '7': case '8': case '9': | |
d7cbec71 HZ |
893 | if (!linespec_lexer_lex_number (parser, &(parser->lexer.current))) |
894 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
40e084e1 KS |
895 | break; |
896 | ||
897 | case ':': | |
898 | /* If we have a scope operator, lex the input as a string. | |
899 | Otherwise, return LSTOKEN_COLON. */ | |
900 | if (PARSER_STREAM (parser)[1] == ':') | |
901 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
902 | else | |
903 | { | |
904 | parser->lexer.current.type = LSTOKEN_COLON; | |
905 | ++(PARSER_STREAM (parser)); | |
906 | } | |
907 | break; | |
908 | ||
909 | case '\'': case '\"': | |
910 | /* Special case: permit quote-enclosed linespecs. */ | |
911 | if (parser->is_quote_enclosed | |
912 | && is_closing_quote_enclosed (PARSER_STREAM (parser))) | |
913 | { | |
914 | ++(PARSER_STREAM (parser)); | |
915 | parser->lexer.current.type = LSTOKEN_EOI; | |
916 | } | |
917 | else | |
918 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
919 | break; | |
920 | ||
921 | case ',': | |
922 | parser->lexer.current.type = LSTOKEN_COMMA; | |
923 | LS_TOKEN_STOKEN (parser->lexer.current).ptr | |
924 | = PARSER_STREAM (parser); | |
925 | LS_TOKEN_STOKEN (parser->lexer.current).length = 1; | |
926 | ++(PARSER_STREAM (parser)); | |
927 | break; | |
928 | ||
929 | default: | |
930 | /* If the input is not a number, it must be a string. | |
931 | [Keywords were already considered above.] */ | |
932 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
933 | break; | |
934 | } | |
935 | } | |
936 | ||
937 | return parser->lexer.current; | |
938 | } | |
939 | ||
940 | /* Consume the current token and return the next token in PARSER's | |
c45ec17c PA |
941 | input stream. Also advance the completion word for completion |
942 | mode. */ | |
40e084e1 KS |
943 | |
944 | static linespec_token | |
945 | linespec_lexer_consume_token (linespec_parser *parser) | |
946 | { | |
c45ec17c PA |
947 | gdb_assert (parser->lexer.current.type != LSTOKEN_EOI); |
948 | ||
949 | bool advance_word = (parser->lexer.current.type != LSTOKEN_STRING | |
950 | || *PARSER_STREAM (parser) != '\0'); | |
951 | ||
952 | /* If we're moving past a string to some other token, it must be the | |
953 | quote was terminated. */ | |
954 | if (parser->completion_quote_char) | |
955 | { | |
956 | gdb_assert (parser->lexer.current.type == LSTOKEN_STRING); | |
957 | ||
958 | /* If the string was the last (non-EOI) token, we're past the | |
959 | quote, but remember that for later. */ | |
960 | if (*PARSER_STREAM (parser) != '\0') | |
961 | { | |
962 | parser->completion_quote_char = '\0'; | |
963 | parser->completion_quote_end = NULL;; | |
964 | } | |
965 | } | |
966 | ||
40e084e1 | 967 | parser->lexer.current.type = LSTOKEN_CONSUMED; |
c45ec17c PA |
968 | linespec_lexer_lex_one (parser); |
969 | ||
970 | if (parser->lexer.current.type == LSTOKEN_STRING) | |
971 | { | |
972 | /* Advance the completion word past a potential initial | |
973 | quote-char. */ | |
974 | parser->completion_word = LS_TOKEN_STOKEN (parser->lexer.current).ptr; | |
975 | } | |
976 | else if (advance_word) | |
977 | { | |
978 | /* Advance the completion word past any whitespace. */ | |
979 | parser->completion_word = PARSER_STREAM (parser); | |
980 | } | |
981 | ||
982 | return parser->lexer.current; | |
40e084e1 KS |
983 | } |
984 | ||
985 | /* Return the next token without consuming the current token. */ | |
986 | ||
987 | static linespec_token | |
988 | linespec_lexer_peek_token (linespec_parser *parser) | |
989 | { | |
990 | linespec_token next; | |
d7561cbb | 991 | const char *saved_stream = PARSER_STREAM (parser); |
40e084e1 | 992 | linespec_token saved_token = parser->lexer.current; |
c45ec17c PA |
993 | int saved_completion_quote_char = parser->completion_quote_char; |
994 | const char *saved_completion_quote_end = parser->completion_quote_end; | |
995 | const char *saved_completion_word = parser->completion_word; | |
40e084e1 KS |
996 | |
997 | next = linespec_lexer_consume_token (parser); | |
998 | PARSER_STREAM (parser) = saved_stream; | |
999 | parser->lexer.current = saved_token; | |
c45ec17c PA |
1000 | parser->completion_quote_char = saved_completion_quote_char; |
1001 | parser->completion_quote_end = saved_completion_quote_end; | |
1002 | parser->completion_word = saved_completion_word; | |
40e084e1 KS |
1003 | return next; |
1004 | } | |
1005 | ||
1006 | /* Helper functions. */ | |
1007 | ||
40e084e1 KS |
1008 | /* Add SAL to SALS, and also update SELF->CANONICAL_NAMES to reflect |
1009 | the new sal, if needed. If not NULL, SYMNAME is the name of the | |
66f1999b KS |
1010 | symbol to use when constructing the new canonical name. |
1011 | ||
1012 | If LITERAL_CANONICAL is non-zero, SYMNAME will be used as the | |
1013 | canonical name for the SAL. */ | |
40e084e1 KS |
1014 | |
1015 | static void | |
1016 | add_sal_to_sals (struct linespec_state *self, | |
6c5b2ebe | 1017 | std::vector<symtab_and_line> *sals, |
40e084e1 | 1018 | struct symtab_and_line *sal, |
66f1999b | 1019 | const char *symname, int literal_canonical) |
40e084e1 | 1020 | { |
6c5b2ebe | 1021 | sals->push_back (*sal); |
40e084e1 KS |
1022 | |
1023 | if (self->canonical) | |
1024 | { | |
33f448b1 | 1025 | struct linespec_canonical_name *canonical; |
40e084e1 | 1026 | |
224c3ddb | 1027 | self->canonical_names = XRESIZEVEC (struct linespec_canonical_name, |
6c5b2ebe PA |
1028 | self->canonical_names, |
1029 | sals->size ()); | |
1030 | canonical = &self->canonical_names[sals->size () - 1]; | |
4e04028d | 1031 | if (!literal_canonical && sal->symtab) |
40e084e1 | 1032 | { |
df140a0b TS |
1033 | symtab_to_fullname (sal->symtab); |
1034 | ||
40e084e1 KS |
1035 | /* Note that the filter doesn't have to be a valid linespec |
1036 | input. We only apply the ":LINE" treatment to Ada for | |
1037 | the time being. */ | |
1038 | if (symname != NULL && sal->line != 0 | |
1039 | && self->language->la_language == language_ada) | |
33f448b1 | 1040 | canonical->suffix = xstrprintf ("%s:%d", symname, sal->line); |
40e084e1 | 1041 | else if (symname != NULL) |
33f448b1 | 1042 | canonical->suffix = xstrdup (symname); |
40e084e1 | 1043 | else |
33f448b1 JK |
1044 | canonical->suffix = xstrprintf ("%d", sal->line); |
1045 | canonical->symtab = sal->symtab; | |
1046 | } | |
1047 | else | |
1048 | { | |
1049 | if (symname != NULL) | |
1050 | canonical->suffix = xstrdup (symname); | |
1051 | else | |
e617b069 | 1052 | canonical->suffix = xstrdup ("<unknown>"); |
33f448b1 | 1053 | canonical->symtab = NULL; |
40e084e1 | 1054 | } |
40e084e1 KS |
1055 | } |
1056 | } | |
1057 | ||
1058 | /* A hash function for address_entry. */ | |
1059 | ||
1060 | static hashval_t | |
1061 | hash_address_entry (const void *p) | |
1062 | { | |
9a3c8263 | 1063 | const struct address_entry *aep = (const struct address_entry *) p; |
40e084e1 KS |
1064 | hashval_t hash; |
1065 | ||
1066 | hash = iterative_hash_object (aep->pspace, 0); | |
1067 | return iterative_hash_object (aep->addr, hash); | |
1068 | } | |
1069 | ||
1070 | /* An equality function for address_entry. */ | |
1071 | ||
1072 | static int | |
1073 | eq_address_entry (const void *a, const void *b) | |
1074 | { | |
9a3c8263 SM |
1075 | const struct address_entry *aea = (const struct address_entry *) a; |
1076 | const struct address_entry *aeb = (const struct address_entry *) b; | |
40e084e1 KS |
1077 | |
1078 | return aea->pspace == aeb->pspace && aea->addr == aeb->addr; | |
1079 | } | |
1080 | ||
1081 | /* Check whether the address, represented by PSPACE and ADDR, is | |
1082 | already in the set. If so, return 0. Otherwise, add it and return | |
1083 | 1. */ | |
1084 | ||
1085 | static int | |
1086 | maybe_add_address (htab_t set, struct program_space *pspace, CORE_ADDR addr) | |
1087 | { | |
1088 | struct address_entry e, *p; | |
1089 | void **slot; | |
1090 | ||
1091 | e.pspace = pspace; | |
1092 | e.addr = addr; | |
1093 | slot = htab_find_slot (set, &e, INSERT); | |
1094 | if (*slot) | |
1095 | return 0; | |
1096 | ||
1097 | p = XNEW (struct address_entry); | |
1098 | memcpy (p, &e, sizeof (struct address_entry)); | |
1099 | *slot = p; | |
1100 | ||
1101 | return 1; | |
1102 | } | |
1103 | ||
40e084e1 KS |
1104 | /* A helper that walks over all matching symtabs in all objfiles and |
1105 | calls CALLBACK for each symbol matching NAME. If SEARCH_PSPACE is | |
1106 | not NULL, then the search is restricted to just that program | |
14bc53a8 | 1107 | space. If INCLUDE_INLINE is true then symbols representing |
40e084e1 KS |
1108 | inlined instances of functions will be included in the result. */ |
1109 | ||
1110 | static void | |
14bc53a8 | 1111 | iterate_over_all_matching_symtabs |
b5ec771e PA |
1112 | (struct linespec_state *state, |
1113 | const lookup_name_info &lookup_name, | |
1114 | const domain_enum name_domain, | |
56d87ef7 | 1115 | enum search_domain search_domain, |
14bc53a8 PA |
1116 | struct program_space *search_pspace, bool include_inline, |
1117 | gdb::function_view<symbol_found_callback_ftype> callback) | |
40e084e1 KS |
1118 | { |
1119 | struct objfile *objfile; | |
1120 | struct program_space *pspace; | |
40e084e1 | 1121 | |
40e084e1 KS |
1122 | ALL_PSPACES (pspace) |
1123 | { | |
1124 | if (search_pspace != NULL && search_pspace != pspace) | |
1125 | continue; | |
1126 | if (pspace->executing_startup) | |
f8eba3c6 TT |
1127 | continue; |
1128 | ||
1129 | set_current_program_space (pspace); | |
50641945 | 1130 | |
f8eba3c6 TT |
1131 | ALL_OBJFILES (objfile) |
1132 | { | |
43f3e411 | 1133 | struct compunit_symtab *cu; |
f8eba3c6 TT |
1134 | |
1135 | if (objfile->sf) | |
b5ec771e PA |
1136 | objfile->sf->qf->expand_symtabs_matching (objfile, |
1137 | NULL, | |
1138 | lookup_name, | |
1139 | NULL, NULL, | |
56d87ef7 | 1140 | search_domain); |
f8eba3c6 | 1141 | |
43f3e411 | 1142 | ALL_OBJFILE_COMPUNITS (objfile, cu) |
f8eba3c6 | 1143 | { |
43f3e411 DE |
1144 | struct symtab *symtab = COMPUNIT_FILETABS (cu); |
1145 | ||
b5ec771e | 1146 | iterate_over_file_blocks (symtab, lookup_name, name_domain, callback); |
481860b3 | 1147 | |
d790cf0a DE |
1148 | if (include_inline) |
1149 | { | |
4eeaa230 | 1150 | struct block *block; |
d790cf0a | 1151 | int i; |
481860b3 | 1152 | |
d790cf0a | 1153 | for (i = FIRST_LOCAL_BLOCK; |
439247b6 DE |
1154 | i < BLOCKVECTOR_NBLOCKS (SYMTAB_BLOCKVECTOR (symtab)); |
1155 | i++) | |
d790cf0a | 1156 | { |
439247b6 | 1157 | block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), i); |
4ae24af0 | 1158 | state->language->la_iterate_over_symbols |
b5ec771e | 1159 | (block, lookup_name, name_domain, [&] (symbol *sym) |
14bc53a8 PA |
1160 | { |
1161 | /* Restrict calls to CALLBACK to symbols | |
1162 | representing inline symbols only. */ | |
1163 | if (SYMBOL_INLINED (sym)) | |
1164 | return callback (sym); | |
1165 | return true; | |
1166 | }); | |
481860b3 | 1167 | } |
f8eba3c6 TT |
1168 | } |
1169 | } | |
1170 | } | |
1171 | } | |
50641945 FN |
1172 | } |
1173 | ||
4eeaa230 DE |
1174 | /* Returns the block to be used for symbol searches from |
1175 | the current location. */ | |
e8eb7bc5 | 1176 | |
3977b71f | 1177 | static const struct block * |
e482a1a7 | 1178 | get_current_search_block (void) |
e8eb7bc5 | 1179 | { |
3977b71f | 1180 | const struct block *block; |
4eeaa230 | 1181 | enum language save_language; |
e8eb7bc5 | 1182 | |
4eeaa230 DE |
1183 | /* get_selected_block can change the current language when there is |
1184 | no selected frame yet. */ | |
1185 | save_language = current_language->la_language; | |
1186 | block = get_selected_block (0); | |
1187 | set_language (save_language); | |
e8eb7bc5 KS |
1188 | |
1189 | return block; | |
1190 | } | |
1191 | ||
4eeaa230 DE |
1192 | /* Iterate over static and global blocks. */ |
1193 | ||
1194 | static void | |
14bc53a8 | 1195 | iterate_over_file_blocks |
b5ec771e PA |
1196 | (struct symtab *symtab, const lookup_name_info &name, |
1197 | domain_enum domain, gdb::function_view<symbol_found_callback_ftype> callback) | |
4eeaa230 DE |
1198 | { |
1199 | struct block *block; | |
1200 | ||
439247b6 | 1201 | for (block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), STATIC_BLOCK); |
4eeaa230 DE |
1202 | block != NULL; |
1203 | block = BLOCK_SUPERBLOCK (block)) | |
14bc53a8 | 1204 | LA_ITERATE_OVER_SYMBOLS (block, name, domain, callback); |
4eeaa230 DE |
1205 | } |
1206 | ||
b5ec771e PA |
1207 | /* A helper for find_method. This finds all methods in type T of |
1208 | language T_LANG which match NAME. It adds matching symbol names to | |
1209 | RESULT_NAMES, and adds T's direct superclasses to SUPERCLASSES. */ | |
50641945 | 1210 | |
f8eba3c6 | 1211 | static void |
b5ec771e | 1212 | find_methods (struct type *t, enum language t_lang, const char *name, |
9b2f8581 | 1213 | std::vector<const char *> *result_names, |
f8eba3c6 | 1214 | VEC (typep) **superclasses) |
50641945 | 1215 | { |
50641945 | 1216 | int ibase; |
0d5cff50 | 1217 | const char *class_name = type_name_no_tag (t); |
c00f8484 | 1218 | |
50641945 FN |
1219 | /* Ignore this class if it doesn't have a name. This is ugly, but |
1220 | unless we figure out how to get the physname without the name of | |
1221 | the class, then the loop can't do any good. */ | |
f8eba3c6 | 1222 | if (class_name) |
50641945 FN |
1223 | { |
1224 | int method_counter; | |
b5ec771e PA |
1225 | lookup_name_info lookup_name (name, symbol_name_match_type::FULL); |
1226 | symbol_name_matcher_ftype *symbol_name_compare | |
618daa93 | 1227 | = get_symbol_name_matcher (language_def (t_lang), lookup_name); |
50641945 | 1228 | |
f168693b | 1229 | t = check_typedef (t); |
50641945 FN |
1230 | |
1231 | /* Loop over each method name. At this level, all overloads of a name | |
1232 | are counted as a single name. There is an inner loop which loops over | |
1233 | each overload. */ | |
1234 | ||
1235 | for (method_counter = TYPE_NFN_FIELDS (t) - 1; | |
1236 | method_counter >= 0; | |
1237 | --method_counter) | |
1238 | { | |
0d5cff50 | 1239 | const char *method_name = TYPE_FN_FIELDLIST_NAME (t, method_counter); |
50641945 FN |
1240 | char dem_opname[64]; |
1241 | ||
61012eef GB |
1242 | if (startswith (method_name, "__") || |
1243 | startswith (method_name, "op") || | |
1244 | startswith (method_name, "type")) | |
50641945 FN |
1245 | { |
1246 | if (cplus_demangle_opname (method_name, dem_opname, DMGL_ANSI)) | |
1247 | method_name = dem_opname; | |
1248 | else if (cplus_demangle_opname (method_name, dem_opname, 0)) | |
1249 | method_name = dem_opname; | |
1250 | } | |
1251 | ||
b5ec771e | 1252 | if (symbol_name_compare (method_name, lookup_name, NULL)) |
f8eba3c6 TT |
1253 | { |
1254 | int field_counter; | |
aee8d8ba | 1255 | |
f8eba3c6 TT |
1256 | for (field_counter = (TYPE_FN_FIELDLIST_LENGTH (t, method_counter) |
1257 | - 1); | |
1258 | field_counter >= 0; | |
1259 | --field_counter) | |
1260 | { | |
1261 | struct fn_field *f; | |
1262 | const char *phys_name; | |
1263 | ||
1264 | f = TYPE_FN_FIELDLIST1 (t, method_counter); | |
1265 | if (TYPE_FN_FIELD_STUB (f, field_counter)) | |
1266 | continue; | |
1267 | phys_name = TYPE_FN_FIELD_PHYSNAME (f, field_counter); | |
9b2f8581 | 1268 | result_names->push_back (phys_name); |
f8eba3c6 TT |
1269 | } |
1270 | } | |
aee8d8ba DC |
1271 | } |
1272 | } | |
1273 | ||
f8eba3c6 TT |
1274 | for (ibase = 0; ibase < TYPE_N_BASECLASSES (t); ibase++) |
1275 | VEC_safe_push (typep, *superclasses, TYPE_BASECLASS (t, ibase)); | |
50641945 FN |
1276 | } |
1277 | ||
50641945 FN |
1278 | /* Find an instance of the character C in the string S that is outside |
1279 | of all parenthesis pairs, single-quoted strings, and double-quoted | |
8120c9d5 | 1280 | strings. Also, ignore the char within a template name, like a ',' |
be966d42 | 1281 | within foo<int, int>, while considering C++ operator</operator<<. */ |
8120c9d5 | 1282 | |
87f0e720 | 1283 | const char * |
40e084e1 | 1284 | find_toplevel_char (const char *s, char c) |
50641945 FN |
1285 | { |
1286 | int quoted = 0; /* zero if we're not in quotes; | |
1287 | '"' if we're in a double-quoted string; | |
1288 | '\'' if we're in a single-quoted string. */ | |
a04257e6 | 1289 | int depth = 0; /* Number of unclosed parens we've seen. */ |
40e084e1 | 1290 | const char *scan; |
50641945 FN |
1291 | |
1292 | for (scan = s; *scan; scan++) | |
1293 | { | |
1294 | if (quoted) | |
1295 | { | |
1296 | if (*scan == quoted) | |
1297 | quoted = 0; | |
1298 | else if (*scan == '\\' && *(scan + 1)) | |
1299 | scan++; | |
1300 | } | |
1301 | else if (*scan == c && ! quoted && depth == 0) | |
1302 | return scan; | |
1303 | else if (*scan == '"' || *scan == '\'') | |
1304 | quoted = *scan; | |
8120c9d5 | 1305 | else if (*scan == '(' || *scan == '<') |
50641945 | 1306 | depth++; |
8120c9d5 | 1307 | else if ((*scan == ')' || *scan == '>') && depth > 0) |
50641945 | 1308 | depth--; |
be966d42 PA |
1309 | else if (*scan == 'o' && !quoted && depth == 0) |
1310 | { | |
1311 | /* Handle C++ operator names. */ | |
1312 | if (strncmp (scan, CP_OPERATOR_STR, CP_OPERATOR_LEN) == 0) | |
1313 | { | |
1314 | scan += CP_OPERATOR_LEN; | |
1315 | if (*scan == c) | |
1316 | return scan; | |
1317 | while (isspace (*scan)) | |
1318 | { | |
1319 | ++scan; | |
1320 | if (*scan == c) | |
1321 | return scan; | |
1322 | } | |
1323 | if (*scan == '\0') | |
1324 | break; | |
1325 | ||
1326 | switch (*scan) | |
1327 | { | |
1328 | /* Skip over one less than the appropriate number of | |
1329 | characters: the for loop will skip over the last | |
1330 | one. */ | |
1331 | case '<': | |
1332 | if (scan[1] == '<') | |
1333 | { | |
1334 | scan++; | |
1335 | if (*scan == c) | |
1336 | return scan; | |
1337 | } | |
1338 | break; | |
1339 | case '>': | |
1340 | if (scan[1] == '>') | |
1341 | { | |
1342 | scan++; | |
1343 | if (*scan == c) | |
1344 | return scan; | |
1345 | } | |
1346 | break; | |
1347 | } | |
1348 | } | |
1349 | } | |
50641945 FN |
1350 | } |
1351 | ||
1352 | return 0; | |
1353 | } | |
1354 | ||
40e084e1 KS |
1355 | /* The string equivalent of find_toplevel_char. Returns a pointer |
1356 | to the location of NEEDLE in HAYSTACK, ignoring any occurrences | |
1357 | inside "()" and "<>". Returns NULL if NEEDLE was not found. */ | |
889f28e2 | 1358 | |
40e084e1 KS |
1359 | static const char * |
1360 | find_toplevel_string (const char *haystack, const char *needle) | |
889f28e2 | 1361 | { |
40e084e1 KS |
1362 | const char *s = haystack; |
1363 | ||
1364 | do | |
1365 | { | |
1366 | s = find_toplevel_char (s, *needle); | |
1367 | ||
1368 | if (s != NULL) | |
1369 | { | |
1370 | /* Found first char in HAYSTACK; check rest of string. */ | |
61012eef | 1371 | if (startswith (s, needle)) |
40e084e1 KS |
1372 | return s; |
1373 | ||
1374 | /* Didn't find it; loop over HAYSTACK, looking for the next | |
1375 | instance of the first character of NEEDLE. */ | |
1376 | ++s; | |
1377 | } | |
1378 | } | |
1379 | while (s != NULL && *s != '\0'); | |
1380 | ||
1381 | /* NEEDLE was not found in HAYSTACK. */ | |
1382 | return NULL; | |
889f28e2 AF |
1383 | } |
1384 | ||
33f448b1 | 1385 | /* Convert CANONICAL to its string representation using |
53a0f8a2 | 1386 | symtab_to_fullname for SYMTAB. */ |
33f448b1 | 1387 | |
53a0f8a2 | 1388 | static std::string |
33f448b1 JK |
1389 | canonical_to_fullform (const struct linespec_canonical_name *canonical) |
1390 | { | |
1391 | if (canonical->symtab == NULL) | |
53a0f8a2 | 1392 | return canonical->suffix; |
33f448b1 | 1393 | else |
53a0f8a2 TT |
1394 | return string_printf ("%s:%s", symtab_to_fullname (canonical->symtab), |
1395 | canonical->suffix); | |
33f448b1 JK |
1396 | } |
1397 | ||
f8eba3c6 TT |
1398 | /* Given FILTERS, a list of canonical names, filter the sals in RESULT |
1399 | and store the result in SELF->CANONICAL. */ | |
50641945 | 1400 | |
f8eba3c6 TT |
1401 | static void |
1402 | filter_results (struct linespec_state *self, | |
6c5b2ebe | 1403 | std::vector<symtab_and_line> *result, |
f73c6ece | 1404 | const std::vector<const char *> &filters) |
f8eba3c6 | 1405 | { |
f73c6ece | 1406 | for (const char *name : filters) |
f8eba3c6 | 1407 | { |
6c5b2ebe | 1408 | linespec_sals lsal; |
f8eba3c6 | 1409 | |
6c5b2ebe | 1410 | for (size_t j = 0; j < result->size (); ++j) |
f8eba3c6 | 1411 | { |
33f448b1 | 1412 | const struct linespec_canonical_name *canonical; |
33f448b1 JK |
1413 | |
1414 | canonical = &self->canonical_names[j]; | |
53a0f8a2 | 1415 | std::string fullform = canonical_to_fullform (canonical); |
33f448b1 | 1416 | |
53a0f8a2 | 1417 | if (name == fullform) |
6c5b2ebe | 1418 | lsal.sals.push_back ((*result)[j]); |
f8eba3c6 TT |
1419 | } |
1420 | ||
6c5b2ebe | 1421 | if (!lsal.sals.empty ()) |
f8eba3c6 TT |
1422 | { |
1423 | lsal.canonical = xstrdup (name); | |
6c5b2ebe | 1424 | self->canonical->lsals.push_back (std::move (lsal)); |
f8eba3c6 TT |
1425 | } |
1426 | } | |
1427 | ||
1428 | self->canonical->pre_expanded = 0; | |
1429 | } | |
1430 | ||
1431 | /* Store RESULT into SELF->CANONICAL. */ | |
1432 | ||
1433 | static void | |
1434 | convert_results_to_lsals (struct linespec_state *self, | |
6c5b2ebe | 1435 | std::vector<symtab_and_line> *result) |
50641945 | 1436 | { |
f8eba3c6 TT |
1437 | struct linespec_sals lsal; |
1438 | ||
1439 | lsal.canonical = NULL; | |
6c5b2ebe PA |
1440 | lsal.sals = std::move (*result); |
1441 | self->canonical->lsals.push_back (std::move (lsal)); | |
f8eba3c6 TT |
1442 | } |
1443 | ||
33f448b1 JK |
1444 | /* A structure that contains two string representations of a struct |
1445 | linespec_canonical_name: | |
1446 | - one where the the symtab's fullname is used; | |
1447 | - one where the filename followed the "set filename-display" | |
1448 | setting. */ | |
1449 | ||
1450 | struct decode_line_2_item | |
1451 | { | |
53a0f8a2 TT |
1452 | decode_line_2_item (std::string &&fullform_, std::string &&displayform_, |
1453 | bool selected_) | |
1454 | : fullform (std::move (fullform_)), | |
1455 | displayform (std::move (displayform_)), | |
1456 | selected (selected_) | |
1457 | { | |
1458 | } | |
33f448b1 | 1459 | |
53a0f8a2 TT |
1460 | /* The form using symtab_to_fullname. */ |
1461 | std::string fullform; | |
1462 | ||
1463 | /* The form using symtab_to_filename_for_display. */ | |
1464 | std::string displayform; | |
33f448b1 JK |
1465 | |
1466 | /* Field is initialized to zero and it is set to one if the user | |
1467 | requested breakpoint for this entry. */ | |
1468 | unsigned int selected : 1; | |
1469 | }; | |
1470 | ||
53a0f8a2 TT |
1471 | /* Helper for std::sort to sort decode_line_2_item entries by |
1472 | DISPLAYFORM and secondarily by FULLFORM. */ | |
33f448b1 | 1473 | |
53a0f8a2 TT |
1474 | static bool |
1475 | decode_line_2_compare_items (const decode_line_2_item &a, | |
1476 | const decode_line_2_item &b) | |
33f448b1 | 1477 | { |
53a0f8a2 TT |
1478 | if (a.displayform != b.displayform) |
1479 | return a.displayform < b.displayform; | |
1480 | return a.fullform < b.fullform; | |
33f448b1 JK |
1481 | } |
1482 | ||
f8eba3c6 TT |
1483 | /* Handle multiple results in RESULT depending on SELECT_MODE. This |
1484 | will either return normally, throw an exception on multiple | |
1485 | results, or present a menu to the user. On return, the SALS vector | |
1486 | in SELF->CANONICAL is set up properly. */ | |
1487 | ||
1488 | static void | |
1489 | decode_line_2 (struct linespec_state *self, | |
6c5b2ebe | 1490 | std::vector<symtab_and_line> *result, |
f8eba3c6 TT |
1491 | const char *select_mode) |
1492 | { | |
a121b7c1 PA |
1493 | char *args; |
1494 | const char *prompt; | |
50641945 | 1495 | int i; |
f73c6ece | 1496 | std::vector<const char *> filters; |
53a0f8a2 | 1497 | std::vector<struct decode_line_2_item> items; |
50641945 | 1498 | |
f8eba3c6 TT |
1499 | gdb_assert (select_mode != multiple_symbols_all); |
1500 | gdb_assert (self->canonical != NULL); | |
6c5b2ebe | 1501 | gdb_assert (!result->empty ()); |
33f448b1 | 1502 | |
33f448b1 | 1503 | /* Prepare ITEMS array. */ |
53a0f8a2 | 1504 | for (i = 0; i < result->size (); ++i) |
50641945 | 1505 | { |
33f448b1 JK |
1506 | const struct linespec_canonical_name *canonical; |
1507 | struct decode_line_2_item *item; | |
1508 | ||
53a0f8a2 TT |
1509 | std::string displayform; |
1510 | ||
33f448b1 JK |
1511 | canonical = &self->canonical_names[i]; |
1512 | gdb_assert (canonical->suffix != NULL); | |
f8eba3c6 | 1513 | |
53a0f8a2 | 1514 | std::string fullform = canonical_to_fullform (canonical); |
33f448b1 JK |
1515 | |
1516 | if (canonical->symtab == NULL) | |
53a0f8a2 | 1517 | displayform = canonical->suffix; |
33f448b1 | 1518 | else |
f8eba3c6 | 1519 | { |
33f448b1 JK |
1520 | const char *fn_for_display; |
1521 | ||
1522 | fn_for_display = symtab_to_filename_for_display (canonical->symtab); | |
53a0f8a2 TT |
1523 | displayform = string_printf ("%s:%s", fn_for_display, |
1524 | canonical->suffix); | |
f8eba3c6 TT |
1525 | } |
1526 | ||
53a0f8a2 TT |
1527 | items.emplace_back (std::move (fullform), std::move (displayform), |
1528 | false); | |
50641945 FN |
1529 | } |
1530 | ||
33f448b1 | 1531 | /* Sort the list of method names. */ |
53a0f8a2 | 1532 | std::sort (items.begin (), items.end (), decode_line_2_compare_items); |
33f448b1 JK |
1533 | |
1534 | /* Remove entries with the same FULLFORM. */ | |
53a0f8a2 TT |
1535 | items.erase (std::unique (items.begin (), items.end (), |
1536 | [] (const struct decode_line_2_item &a, | |
1537 | const struct decode_line_2_item &b) | |
1538 | { | |
1539 | return a.fullform == b.fullform; | |
1540 | }), | |
1541 | items.end ()); | |
1542 | ||
1543 | if (select_mode == multiple_symbols_cancel && items.size () > 1) | |
f8eba3c6 TT |
1544 | error (_("canceled because the command is ambiguous\n" |
1545 | "See set/show multiple-symbol.")); | |
1546 | ||
53a0f8a2 | 1547 | if (select_mode == multiple_symbols_all || items.size () == 1) |
50641945 | 1548 | { |
f8eba3c6 TT |
1549 | convert_results_to_lsals (self, result); |
1550 | return; | |
50641945 FN |
1551 | } |
1552 | ||
f8eba3c6 | 1553 | printf_unfiltered (_("[0] cancel\n[1] all\n")); |
53a0f8a2 TT |
1554 | for (i = 0; i < items.size (); i++) |
1555 | printf_unfiltered ("[%d] %s\n", i + 2, items[i].displayform.c_str ()); | |
f8eba3c6 TT |
1556 | |
1557 | prompt = getenv ("PS2"); | |
1558 | if (prompt == NULL) | |
50641945 | 1559 | { |
f8eba3c6 | 1560 | prompt = "> "; |
50641945 | 1561 | } |
f8eba3c6 | 1562 | args = command_line_input (prompt, 0, "overload-choice"); |
50641945 FN |
1563 | |
1564 | if (args == 0 || *args == 0) | |
e2e0b3e5 | 1565 | error_no_arg (_("one or more choice numbers")); |
50641945 | 1566 | |
bfd28288 PA |
1567 | number_or_range_parser parser (args); |
1568 | while (!parser.finished ()) | |
50641945 | 1569 | { |
bfd28288 | 1570 | int num = parser.get_number (); |
50641945 FN |
1571 | |
1572 | if (num == 0) | |
8a3fe4f8 | 1573 | error (_("canceled")); |
50641945 FN |
1574 | else if (num == 1) |
1575 | { | |
f8eba3c6 TT |
1576 | /* We intentionally make this result in a single breakpoint, |
1577 | contrary to what older versions of gdb did. The | |
1578 | rationale is that this lets a user get the | |
1579 | multiple_symbols_all behavior even with the 'ask' | |
1580 | setting; and he can get separate breakpoints by entering | |
1581 | "2-57" at the query. */ | |
f8eba3c6 TT |
1582 | convert_results_to_lsals (self, result); |
1583 | return; | |
50641945 FN |
1584 | } |
1585 | ||
f8eba3c6 | 1586 | num -= 2; |
53a0f8a2 | 1587 | if (num >= items.size ()) |
f8eba3c6 | 1588 | printf_unfiltered (_("No choice number %d.\n"), num); |
50641945 FN |
1589 | else |
1590 | { | |
33f448b1 | 1591 | struct decode_line_2_item *item = &items[num]; |
f8eba3c6 | 1592 | |
33f448b1 | 1593 | if (!item->selected) |
50641945 | 1594 | { |
f73c6ece | 1595 | filters.push_back (item->fullform.c_str ()); |
33f448b1 | 1596 | item->selected = 1; |
50641945 FN |
1597 | } |
1598 | else | |
1599 | { | |
3e43a32a | 1600 | printf_unfiltered (_("duplicate request for %d ignored.\n"), |
f6f99966 | 1601 | num + 2); |
50641945 FN |
1602 | } |
1603 | } | |
50641945 | 1604 | } |
f8eba3c6 TT |
1605 | |
1606 | filter_results (self, result, filters); | |
50641945 | 1607 | } |
94af9270 | 1608 | |
40e084e1 | 1609 | \f |
3d50dd94 | 1610 | |
40e084e1 KS |
1611 | /* The parser of linespec itself. */ |
1612 | ||
1613 | /* Throw an appropriate error when SYMBOL is not found (optionally in | |
1614 | FILENAME). */ | |
1615 | ||
1616 | static void ATTRIBUTE_NORETURN | |
5d94e27b | 1617 | symbol_not_found_error (const char *symbol, const char *filename) |
3d50dd94 | 1618 | { |
40e084e1 KS |
1619 | if (symbol == NULL) |
1620 | symbol = ""; | |
1621 | ||
1622 | if (!have_full_symbols () | |
1623 | && !have_partial_symbols () | |
1624 | && !have_minimal_symbols ()) | |
1625 | throw_error (NOT_FOUND_ERROR, | |
1626 | _("No symbol table is loaded. Use the \"file\" command.")); | |
1627 | ||
1628 | /* If SYMBOL starts with '$', the user attempted to either lookup | |
1629 | a function/variable in his code starting with '$' or an internal | |
1630 | variable of that name. Since we do not know which, be concise and | |
1631 | explain both possibilities. */ | |
1632 | if (*symbol == '$') | |
1633 | { | |
1634 | if (filename) | |
1635 | throw_error (NOT_FOUND_ERROR, | |
1636 | _("Undefined convenience variable or function \"%s\" " | |
1637 | "not defined in \"%s\"."), symbol, filename); | |
1638 | else | |
1639 | throw_error (NOT_FOUND_ERROR, | |
1640 | _("Undefined convenience variable or function \"%s\" " | |
1641 | "not defined."), symbol); | |
1642 | } | |
1643 | else | |
1644 | { | |
1645 | if (filename) | |
1646 | throw_error (NOT_FOUND_ERROR, | |
1647 | _("Function \"%s\" not defined in \"%s\"."), | |
1648 | symbol, filename); | |
1649 | else | |
1650 | throw_error (NOT_FOUND_ERROR, | |
1651 | _("Function \"%s\" not defined."), symbol); | |
1652 | } | |
3d50dd94 JK |
1653 | } |
1654 | ||
40e084e1 KS |
1655 | /* Throw an appropriate error when an unexpected token is encountered |
1656 | in the input. */ | |
94af9270 | 1657 | |
40e084e1 KS |
1658 | static void ATTRIBUTE_NORETURN |
1659 | unexpected_linespec_error (linespec_parser *parser) | |
94af9270 | 1660 | { |
40e084e1 KS |
1661 | linespec_token token; |
1662 | static const char * token_type_strings[] | |
1663 | = {"keyword", "colon", "string", "number", "comma", "end of input"}; | |
94af9270 | 1664 | |
40e084e1 KS |
1665 | /* Get the token that generated the error. */ |
1666 | token = linespec_lexer_lex_one (parser); | |
94af9270 | 1667 | |
40e084e1 KS |
1668 | /* Finally, throw the error. */ |
1669 | if (token.type == LSTOKEN_STRING || token.type == LSTOKEN_NUMBER | |
1670 | || token.type == LSTOKEN_KEYWORD) | |
94af9270 | 1671 | { |
a5b5adf5 | 1672 | gdb::unique_xmalloc_ptr<char> string = copy_token_string (token); |
40e084e1 KS |
1673 | throw_error (GENERIC_ERROR, |
1674 | _("malformed linespec error: unexpected %s, \"%s\""), | |
a5b5adf5 | 1675 | token_type_strings[token.type], string.get ()); |
40e084e1 KS |
1676 | } |
1677 | else | |
1678 | throw_error (GENERIC_ERROR, | |
1679 | _("malformed linespec error: unexpected %s"), | |
1680 | token_type_strings[token.type]); | |
1681 | } | |
1682 | ||
00e52e53 KS |
1683 | /* Throw an undefined label error. */ |
1684 | ||
1685 | static void ATTRIBUTE_NORETURN | |
1686 | undefined_label_error (const char *function, const char *label) | |
1687 | { | |
1688 | if (function != NULL) | |
1689 | throw_error (NOT_FOUND_ERROR, | |
1690 | _("No label \"%s\" defined in function \"%s\"."), | |
1691 | label, function); | |
1692 | else | |
1693 | throw_error (NOT_FOUND_ERROR, | |
1694 | _("No label \"%s\" defined in current function."), | |
1695 | label); | |
1696 | } | |
1697 | ||
1698 | /* Throw a source file not found error. */ | |
1699 | ||
1700 | static void ATTRIBUTE_NORETURN | |
1701 | source_file_not_found_error (const char *name) | |
1702 | { | |
1703 | throw_error (NOT_FOUND_ERROR, _("No source file named %s."), name); | |
1704 | } | |
1705 | ||
c45ec17c PA |
1706 | /* Unless at EIO, save the current stream position as completion word |
1707 | point, and consume the next token. */ | |
1708 | ||
1709 | static linespec_token | |
1710 | save_stream_and_consume_token (linespec_parser *parser) | |
1711 | { | |
1712 | if (linespec_lexer_peek_token (parser).type != LSTOKEN_EOI) | |
1713 | parser->completion_word = PARSER_STREAM (parser); | |
1714 | return linespec_lexer_consume_token (parser); | |
1715 | } | |
1716 | ||
87f0e720 | 1717 | /* See description in linespec.h. */ |
40e084e1 | 1718 | |
87f0e720 | 1719 | struct line_offset |
09cf2b22 | 1720 | linespec_parse_line_offset (const char *string) |
40e084e1 | 1721 | { |
87f0e720 | 1722 | const char *start = string; |
40e084e1 KS |
1723 | struct line_offset line_offset = {0, LINE_OFFSET_NONE}; |
1724 | ||
1725 | if (*string == '+') | |
1726 | { | |
1727 | line_offset.sign = LINE_OFFSET_PLUS; | |
1728 | ++string; | |
1729 | } | |
1730 | else if (*string == '-') | |
1731 | { | |
1732 | line_offset.sign = LINE_OFFSET_MINUS; | |
1733 | ++string; | |
1734 | } | |
1735 | ||
87f0e720 KS |
1736 | if (*string != '\0' && !isdigit (*string)) |
1737 | error (_("malformed line offset: \"%s\""), start); | |
1738 | ||
40e084e1 KS |
1739 | /* Right now, we only allow base 10 for offsets. */ |
1740 | line_offset.offset = atoi (string); | |
1741 | return line_offset; | |
1742 | } | |
1743 | ||
c45ec17c PA |
1744 | /* In completion mode, if the user is still typing the number, there's |
1745 | no possible completion to offer. But if there's already input past | |
1746 | the number, setup to expect NEXT. */ | |
1747 | ||
1748 | static void | |
1749 | set_completion_after_number (linespec_parser *parser, | |
1750 | linespec_complete_what next) | |
1751 | { | |
1752 | if (*PARSER_STREAM (parser) == ' ') | |
1753 | { | |
f1735a53 | 1754 | parser->completion_word = skip_spaces (PARSER_STREAM (parser) + 1); |
c45ec17c PA |
1755 | parser->complete_what = next; |
1756 | } | |
1757 | else | |
1758 | { | |
1759 | parser->completion_word = PARSER_STREAM (parser); | |
1760 | parser->complete_what = linespec_complete_what::NOTHING; | |
1761 | } | |
1762 | } | |
1763 | ||
40e084e1 KS |
1764 | /* Parse the basic_spec in PARSER's input. */ |
1765 | ||
1766 | static void | |
1767 | linespec_parse_basic (linespec_parser *parser) | |
1768 | { | |
a5b5adf5 | 1769 | gdb::unique_xmalloc_ptr<char> name; |
40e084e1 KS |
1770 | linespec_token token; |
1771 | VEC (symbolp) *symbols, *labels; | |
f60e2d5c | 1772 | VEC (bound_minimal_symbol_d) *minimal_symbols; |
40e084e1 KS |
1773 | |
1774 | /* Get the next token. */ | |
1775 | token = linespec_lexer_lex_one (parser); | |
1776 | ||
1777 | /* If it is EOI or KEYWORD, issue an error. */ | |
c45ec17c PA |
1778 | if (token.type == LSTOKEN_KEYWORD) |
1779 | { | |
1780 | parser->complete_what = linespec_complete_what::NOTHING; | |
1781 | unexpected_linespec_error (parser); | |
1782 | } | |
1783 | else if (token.type == LSTOKEN_EOI) | |
1784 | { | |
1785 | unexpected_linespec_error (parser); | |
1786 | } | |
40e084e1 KS |
1787 | /* If it is a LSTOKEN_NUMBER, we have an offset. */ |
1788 | else if (token.type == LSTOKEN_NUMBER) | |
1789 | { | |
c45ec17c PA |
1790 | set_completion_after_number (parser, linespec_complete_what::KEYWORD); |
1791 | ||
40e084e1 KS |
1792 | /* Record the line offset and get the next token. */ |
1793 | name = copy_token_string (token); | |
a5b5adf5 TT |
1794 | PARSER_EXPLICIT (parser)->line_offset |
1795 | = linespec_parse_line_offset (name.get ()); | |
40e084e1 KS |
1796 | |
1797 | /* Get the next token. */ | |
1798 | token = linespec_lexer_consume_token (parser); | |
1799 | ||
1800 | /* If the next token is a comma, stop parsing and return. */ | |
1801 | if (token.type == LSTOKEN_COMMA) | |
c45ec17c PA |
1802 | { |
1803 | parser->complete_what = linespec_complete_what::NOTHING; | |
1804 | return; | |
1805 | } | |
40e084e1 KS |
1806 | |
1807 | /* If the next token is anything but EOI or KEYWORD, issue | |
1808 | an error. */ | |
1809 | if (token.type != LSTOKEN_KEYWORD && token.type != LSTOKEN_EOI) | |
1810 | unexpected_linespec_error (parser); | |
1811 | } | |
1812 | ||
1813 | if (token.type == LSTOKEN_KEYWORD || token.type == LSTOKEN_EOI) | |
1814 | return; | |
1815 | ||
1816 | /* Next token must be LSTOKEN_STRING. */ | |
1817 | if (token.type != LSTOKEN_STRING) | |
c45ec17c PA |
1818 | { |
1819 | parser->complete_what = linespec_complete_what::NOTHING; | |
1820 | unexpected_linespec_error (parser); | |
1821 | } | |
40e084e1 KS |
1822 | |
1823 | /* The current token will contain the name of a function, method, | |
1824 | or label. */ | |
c45ec17c | 1825 | name = copy_token_string (token); |
c45ec17c PA |
1826 | |
1827 | if (parser->completion_tracker != NULL) | |
1828 | { | |
1829 | /* If the function name ends with a ":", then this may be an | |
1830 | incomplete "::" scope operator instead of a label separator. | |
1831 | E.g., | |
1832 | "b klass:<tab>" | |
1833 | which should expand to: | |
1834 | "b klass::method()" | |
1835 | ||
1836 | Do a tentative completion assuming the later. If we find | |
1837 | completions, advance the stream past the colon token and make | |
1838 | it part of the function name/token. */ | |
1839 | ||
1840 | if (!parser->completion_quote_char | |
1841 | && strcmp (PARSER_STREAM (parser), ":") == 0) | |
1842 | { | |
1843 | completion_tracker tmp_tracker; | |
1844 | const char *source_filename | |
1845 | = PARSER_EXPLICIT (parser)->source_filename; | |
a20714ff PA |
1846 | symbol_name_match_type match_type |
1847 | = PARSER_EXPLICIT (parser)->func_name_match_type; | |
c45ec17c PA |
1848 | |
1849 | linespec_complete_function (tmp_tracker, | |
1850 | parser->completion_word, | |
a20714ff | 1851 | match_type, |
c45ec17c PA |
1852 | source_filename); |
1853 | ||
1854 | if (tmp_tracker.have_completions ()) | |
1855 | { | |
1856 | PARSER_STREAM (parser)++; | |
1857 | LS_TOKEN_STOKEN (token).length++; | |
1858 | ||
a5b5adf5 TT |
1859 | name.reset (savestring (parser->completion_word, |
1860 | (PARSER_STREAM (parser) | |
1861 | - parser->completion_word))); | |
c45ec17c PA |
1862 | } |
1863 | } | |
1864 | ||
a5b5adf5 | 1865 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
c45ec17c PA |
1866 | } |
1867 | else | |
1868 | { | |
6a307fc5 TT |
1869 | /* Try looking it up as a function/method. */ |
1870 | find_linespec_symbols (PARSER_STATE (parser), | |
a5b5adf5 | 1871 | PARSER_RESULT (parser)->file_symtabs, name.get (), |
6a307fc5 TT |
1872 | PARSER_EXPLICIT (parser)->func_name_match_type, |
1873 | &symbols, &minimal_symbols); | |
40e084e1 | 1874 | |
6a307fc5 | 1875 | if (symbols != NULL || minimal_symbols != NULL) |
94af9270 | 1876 | { |
6a307fc5 TT |
1877 | PARSER_RESULT (parser)->function_symbols = symbols; |
1878 | PARSER_RESULT (parser)->minimal_symbols = minimal_symbols; | |
a5b5adf5 | 1879 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
40e084e1 | 1880 | symbols = NULL; |
40e084e1 | 1881 | } |
6a307fc5 | 1882 | else |
b4013987 | 1883 | { |
6a307fc5 TT |
1884 | /* NAME was not a function or a method. So it must be a label |
1885 | name or user specified variable like "break foo.c:$zippo". */ | |
1886 | labels = find_label_symbols (PARSER_STATE (parser), NULL, | |
a5b5adf5 | 1887 | &symbols, name.get ()); |
6a307fc5 TT |
1888 | if (labels != NULL) |
1889 | { | |
1890 | PARSER_RESULT (parser)->labels.label_symbols = labels; | |
1891 | PARSER_RESULT (parser)->labels.function_symbols = symbols; | |
a5b5adf5 | 1892 | PARSER_EXPLICIT (parser)->label_name = name.release (); |
6a307fc5 | 1893 | symbols = NULL; |
6a307fc5 TT |
1894 | } |
1895 | else if (token.type == LSTOKEN_STRING | |
1896 | && *LS_TOKEN_STOKEN (token).ptr == '$') | |
1897 | { | |
1898 | /* User specified a convenience variable or history value. */ | |
1899 | PARSER_EXPLICIT (parser)->line_offset | |
a5b5adf5 | 1900 | = linespec_parse_variable (PARSER_STATE (parser), name.get ()); |
b4013987 | 1901 | |
6a307fc5 TT |
1902 | if (PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN) |
1903 | { | |
1904 | /* The user-specified variable was not valid. Do not | |
1905 | throw an error here. parse_linespec will do it for us. */ | |
a5b5adf5 | 1906 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
6a307fc5 TT |
1907 | return; |
1908 | } | |
6a307fc5 TT |
1909 | } |
1910 | else | |
b4013987 | 1911 | { |
6a307fc5 TT |
1912 | /* The name is also not a label. Abort parsing. Do not throw |
1913 | an error here. parse_linespec will do it for us. */ | |
1914 | ||
1915 | /* Save a copy of the name we were trying to lookup. */ | |
a5b5adf5 | 1916 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
b4013987 AA |
1917 | return; |
1918 | } | |
1919 | } | |
c45ec17c PA |
1920 | } |
1921 | ||
1922 | int previous_qc = parser->completion_quote_char; | |
40e084e1 KS |
1923 | |
1924 | /* Get the next token. */ | |
1925 | token = linespec_lexer_consume_token (parser); | |
1926 | ||
c45ec17c PA |
1927 | if (token.type == LSTOKEN_EOI) |
1928 | { | |
1929 | if (previous_qc && !parser->completion_quote_char) | |
1930 | parser->complete_what = linespec_complete_what::KEYWORD; | |
1931 | } | |
1932 | else if (token.type == LSTOKEN_COLON) | |
40e084e1 KS |
1933 | { |
1934 | /* User specified a label or a lineno. */ | |
1935 | token = linespec_lexer_consume_token (parser); | |
1936 | ||
1937 | if (token.type == LSTOKEN_NUMBER) | |
1938 | { | |
1939 | /* User specified an offset. Record the line offset and | |
1940 | get the next token. */ | |
c45ec17c PA |
1941 | set_completion_after_number (parser, linespec_complete_what::KEYWORD); |
1942 | ||
40e084e1 | 1943 | name = copy_token_string (token); |
00e52e53 | 1944 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 1945 | = linespec_parse_line_offset (name.get ()); |
40e084e1 | 1946 | |
c45ec17c | 1947 | /* Get the next token. */ |
40e084e1 KS |
1948 | token = linespec_lexer_consume_token (parser); |
1949 | } | |
c45ec17c PA |
1950 | else if (token.type == LSTOKEN_EOI && parser->completion_tracker != NULL) |
1951 | { | |
1952 | parser->complete_what = linespec_complete_what::LABEL; | |
1953 | } | |
40e084e1 KS |
1954 | else if (token.type == LSTOKEN_STRING) |
1955 | { | |
c45ec17c PA |
1956 | parser->complete_what = linespec_complete_what::LABEL; |
1957 | ||
1958 | /* If we have text after the label separated by whitespace | |
1959 | (e.g., "b func():lab i<tab>"), don't consider it part of | |
1960 | the label. In completion mode that should complete to | |
1961 | "if", in normal mode, the 'i' should be treated as | |
1962 | garbage. */ | |
1963 | if (parser->completion_quote_char == '\0') | |
1964 | { | |
1965 | const char *ptr = LS_TOKEN_STOKEN (token).ptr; | |
1966 | for (size_t i = 0; i < LS_TOKEN_STOKEN (token).length; i++) | |
1967 | { | |
1968 | if (ptr[i] == ' ') | |
1969 | { | |
1970 | LS_TOKEN_STOKEN (token).length = i; | |
f1735a53 | 1971 | PARSER_STREAM (parser) = skip_spaces (ptr + i + 1); |
c45ec17c PA |
1972 | break; |
1973 | } | |
1974 | } | |
1975 | } | |
1976 | ||
1977 | if (parser->completion_tracker != NULL) | |
1978 | { | |
1979 | if (PARSER_STREAM (parser)[-1] == ' ') | |
1980 | { | |
1981 | parser->completion_word = PARSER_STREAM (parser); | |
1982 | parser->complete_what = linespec_complete_what::KEYWORD; | |
1983 | } | |
1984 | } | |
1985 | else | |
1986 | { | |
6a307fc5 TT |
1987 | /* Grab a copy of the label's name and look it up. */ |
1988 | name = copy_token_string (token); | |
6a307fc5 TT |
1989 | labels |
1990 | = find_label_symbols (PARSER_STATE (parser), | |
1991 | PARSER_RESULT (parser)->function_symbols, | |
a5b5adf5 | 1992 | &symbols, name.get ()); |
40e084e1 | 1993 | |
6a307fc5 TT |
1994 | if (labels != NULL) |
1995 | { | |
1996 | PARSER_RESULT (parser)->labels.label_symbols = labels; | |
1997 | PARSER_RESULT (parser)->labels.function_symbols = symbols; | |
a5b5adf5 | 1998 | PARSER_EXPLICIT (parser)->label_name = name.release (); |
6a307fc5 | 1999 | symbols = NULL; |
6a307fc5 TT |
2000 | } |
2001 | else | |
2002 | { | |
2003 | /* We don't know what it was, but it isn't a label. */ | |
2004 | undefined_label_error | |
a5b5adf5 | 2005 | (PARSER_EXPLICIT (parser)->function_name, name.get ()); |
6a307fc5 | 2006 | } |
40e084e1 | 2007 | |
c45ec17c PA |
2008 | } |
2009 | ||
40e084e1 | 2010 | /* Check for a line offset. */ |
c45ec17c | 2011 | token = save_stream_and_consume_token (parser); |
40e084e1 KS |
2012 | if (token.type == LSTOKEN_COLON) |
2013 | { | |
2014 | /* Get the next token. */ | |
2015 | token = linespec_lexer_consume_token (parser); | |
2016 | ||
2017 | /* It must be a line offset. */ | |
2018 | if (token.type != LSTOKEN_NUMBER) | |
2019 | unexpected_linespec_error (parser); | |
2020 | ||
c6756f62 | 2021 | /* Record the line offset and get the next token. */ |
40e084e1 | 2022 | name = copy_token_string (token); |
40e084e1 | 2023 | |
00e52e53 | 2024 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 2025 | = linespec_parse_line_offset (name.get ()); |
40e084e1 KS |
2026 | |
2027 | /* Get the next token. */ | |
2028 | token = linespec_lexer_consume_token (parser); | |
94af9270 KS |
2029 | } |
2030 | } | |
40e084e1 KS |
2031 | else |
2032 | { | |
2033 | /* Trailing ':' in the input. Issue an error. */ | |
2034 | unexpected_linespec_error (parser); | |
2035 | } | |
94af9270 | 2036 | } |
40e084e1 | 2037 | } |
94af9270 | 2038 | |
40e084e1 | 2039 | /* Canonicalize the linespec contained in LS. The result is saved into |
00e52e53 KS |
2040 | STATE->canonical. This function handles both linespec and explicit |
2041 | locations. */ | |
40e084e1 KS |
2042 | |
2043 | static void | |
f00aae0f | 2044 | canonicalize_linespec (struct linespec_state *state, const linespec_p ls) |
40e084e1 | 2045 | { |
00e52e53 | 2046 | struct event_location *canon; |
67994074 | 2047 | struct explicit_location *explicit_loc; |
f00aae0f | 2048 | |
40e084e1 KS |
2049 | /* If canonicalization was not requested, no need to do anything. */ |
2050 | if (!state->canonical) | |
2051 | return; | |
2052 | ||
00e52e53 | 2053 | /* Save everything as an explicit location. */ |
8e9e35b1 TT |
2054 | state->canonical->location |
2055 | = new_explicit_location (&ls->explicit_loc); | |
2056 | canon = state->canonical->location.get (); | |
67994074 | 2057 | explicit_loc = get_explicit_location (canon); |
40e084e1 | 2058 | |
67994074 | 2059 | if (explicit_loc->label_name != NULL) |
a06efdd6 | 2060 | { |
00e52e53 | 2061 | state->canonical->special_display = 1; |
40e084e1 | 2062 | |
67994074 | 2063 | if (explicit_loc->function_name == NULL) |
40e084e1 | 2064 | { |
a06efdd6 KS |
2065 | struct symbol *s; |
2066 | ||
2067 | /* No function was specified, so add the symbol name. */ | |
2068 | gdb_assert (ls->labels.function_symbols != NULL | |
2069 | && (VEC_length (symbolp, ls->labels.function_symbols) | |
2070 | == 1)); | |
2071 | s = VEC_index (symbolp, ls->labels.function_symbols, 0); | |
67994074 | 2072 | explicit_loc->function_name = xstrdup (SYMBOL_NATURAL_NAME (s)); |
40e084e1 | 2073 | } |
a06efdd6 | 2074 | } |
40e084e1 | 2075 | |
00e52e53 KS |
2076 | /* If this location originally came from a linespec, save a string |
2077 | representation of it for display and saving to file. */ | |
2078 | if (state->is_linespec) | |
a06efdd6 | 2079 | { |
67994074 | 2080 | char *linespec = explicit_location_to_linespec (explicit_loc); |
a06efdd6 | 2081 | |
00e52e53 KS |
2082 | set_event_location_string (canon, linespec); |
2083 | xfree (linespec); | |
2084 | } | |
94af9270 | 2085 | } |
c00f8484 | 2086 | |
40e084e1 | 2087 | /* Given a line offset in LS, construct the relevant SALs. */ |
c00f8484 | 2088 | |
6c5b2ebe | 2089 | static std::vector<symtab_and_line> |
40e084e1 KS |
2090 | create_sals_line_offset (struct linespec_state *self, |
2091 | linespec_p ls) | |
c00f8484 | 2092 | { |
40e084e1 | 2093 | int use_default = 0; |
c00f8484 | 2094 | |
40e084e1 KS |
2095 | /* This is where we need to make sure we have good defaults. |
2096 | We must guarantee that this section of code is never executed | |
2e47c6ca | 2097 | when we are called with just a function name, since |
40e084e1 KS |
2098 | set_default_source_symtab_and_line uses |
2099 | select_source_symtab that calls us with such an argument. */ | |
2100 | ||
ec94af83 DE |
2101 | if (VEC_length (symtab_ptr, ls->file_symtabs) == 1 |
2102 | && VEC_index (symtab_ptr, ls->file_symtabs, 0) == NULL) | |
3d50dd94 | 2103 | { |
05cba821 JK |
2104 | const char *fullname; |
2105 | ||
40e084e1 | 2106 | set_current_program_space (self->program_space); |
c00f8484 | 2107 | |
40e084e1 KS |
2108 | /* Make sure we have at least a default source line. */ |
2109 | set_default_source_symtab_and_line (); | |
2110 | initialize_defaults (&self->default_symtab, &self->default_line); | |
05cba821 | 2111 | fullname = symtab_to_fullname (self->default_symtab); |
ec94af83 DE |
2112 | VEC_pop (symtab_ptr, ls->file_symtabs); |
2113 | VEC_free (symtab_ptr, ls->file_symtabs); | |
c2f4122d PA |
2114 | ls->file_symtabs = collect_symtabs_from_filename (fullname, |
2115 | self->search_pspace); | |
40e084e1 KS |
2116 | use_default = 1; |
2117 | } | |
c00f8484 | 2118 | |
51abb421 | 2119 | symtab_and_line val; |
67994074 KS |
2120 | val.line = ls->explicit_loc.line_offset.offset; |
2121 | switch (ls->explicit_loc.line_offset.sign) | |
40e084e1 KS |
2122 | { |
2123 | case LINE_OFFSET_PLUS: | |
67994074 | 2124 | if (ls->explicit_loc.line_offset.offset == 0) |
40e084e1 KS |
2125 | val.line = 5; |
2126 | if (use_default) | |
2127 | val.line = self->default_line + val.line; | |
2128 | break; | |
2129 | ||
2130 | case LINE_OFFSET_MINUS: | |
67994074 | 2131 | if (ls->explicit_loc.line_offset.offset == 0) |
40e084e1 KS |
2132 | val.line = 15; |
2133 | if (use_default) | |
2134 | val.line = self->default_line - val.line; | |
2135 | else | |
2136 | val.line = -val.line; | |
2137 | break; | |
2138 | ||
2139 | case LINE_OFFSET_NONE: | |
2140 | break; /* No need to adjust val.line. */ | |
2141 | } | |
2142 | ||
6c5b2ebe | 2143 | std::vector<symtab_and_line> values; |
40e084e1 | 2144 | if (self->list_mode) |
6c5b2ebe | 2145 | values = decode_digits_list_mode (self, ls, val); |
40e084e1 KS |
2146 | else |
2147 | { | |
2148 | struct linetable_entry *best_entry = NULL; | |
40e084e1 KS |
2149 | int i, j; |
2150 | ||
6c5b2ebe PA |
2151 | std::vector<symtab_and_line> intermediate_results |
2152 | = decode_digits_ordinary (self, ls, val.line, &best_entry); | |
2153 | if (intermediate_results.empty () && best_entry != NULL) | |
2154 | intermediate_results = decode_digits_ordinary (self, ls, | |
2155 | best_entry->line, | |
2156 | &best_entry); | |
40e084e1 KS |
2157 | |
2158 | /* For optimized code, the compiler can scatter one source line | |
2159 | across disjoint ranges of PC values, even when no duplicate | |
2160 | functions or inline functions are involved. For example, | |
2161 | 'for (;;)' inside a non-template, non-inline, and non-ctor-or-dtor | |
2162 | function can result in two PC ranges. In this case, we don't | |
2163 | want to set a breakpoint on the first PC of each range. To filter | |
2164 | such cases, we use containing blocks -- for each PC found | |
2165 | above, we see if there are other PCs that are in the same | |
2166 | block. If yes, the other PCs are filtered out. */ | |
2167 | ||
0fc21fd8 TT |
2168 | gdb::def_vector<int> filter (intermediate_results.size ()); |
2169 | gdb::def_vector<const block *> blocks (intermediate_results.size ()); | |
40e084e1 | 2170 | |
6c5b2ebe | 2171 | for (i = 0; i < intermediate_results.size (); ++i) |
3d50dd94 | 2172 | { |
6c5b2ebe | 2173 | set_current_program_space (intermediate_results[i].pspace); |
c00f8484 | 2174 | |
40e084e1 | 2175 | filter[i] = 1; |
6c5b2ebe PA |
2176 | blocks[i] = block_for_pc_sect (intermediate_results[i].pc, |
2177 | intermediate_results[i].section); | |
3d50dd94 | 2178 | } |
c00f8484 | 2179 | |
6c5b2ebe | 2180 | for (i = 0; i < intermediate_results.size (); ++i) |
40e084e1 KS |
2181 | { |
2182 | if (blocks[i] != NULL) | |
6c5b2ebe | 2183 | for (j = i + 1; j < intermediate_results.size (); ++j) |
40e084e1 KS |
2184 | { |
2185 | if (blocks[j] == blocks[i]) | |
2186 | { | |
2187 | filter[j] = 0; | |
2188 | break; | |
2189 | } | |
2190 | } | |
2191 | } | |
c00f8484 | 2192 | |
6c5b2ebe | 2193 | for (i = 0; i < intermediate_results.size (); ++i) |
40e084e1 KS |
2194 | if (filter[i]) |
2195 | { | |
2196 | struct symbol *sym = (blocks[i] | |
2197 | ? block_containing_function (blocks[i]) | |
2198 | : NULL); | |
3d50dd94 | 2199 | |
40e084e1 | 2200 | if (self->funfirstline) |
6c5b2ebe | 2201 | skip_prologue_sal (&intermediate_results[i]); |
6c5b2ebe | 2202 | add_sal_to_sals (self, &values, &intermediate_results[i], |
66f1999b | 2203 | sym ? SYMBOL_NATURAL_NAME (sym) : NULL, 0); |
40e084e1 | 2204 | } |
f17170e5 | 2205 | } |
c00f8484 | 2206 | |
6c5b2ebe | 2207 | if (values.empty ()) |
40e084e1 | 2208 | { |
67994074 | 2209 | if (ls->explicit_loc.source_filename) |
40e084e1 | 2210 | throw_error (NOT_FOUND_ERROR, _("No line %d in file \"%s\"."), |
67994074 | 2211 | val.line, ls->explicit_loc.source_filename); |
40e084e1 KS |
2212 | else |
2213 | throw_error (NOT_FOUND_ERROR, _("No line %d in the current file."), | |
2214 | val.line); | |
2215 | } | |
3d50dd94 | 2216 | |
40e084e1 | 2217 | return values; |
c00f8484 KS |
2218 | } |
2219 | ||
a06efdd6 KS |
2220 | /* Convert the given ADDRESS into SaLs. */ |
2221 | ||
6c5b2ebe | 2222 | static std::vector<symtab_and_line> |
a06efdd6 KS |
2223 | convert_address_location_to_sals (struct linespec_state *self, |
2224 | CORE_ADDR address) | |
2225 | { | |
6c5b2ebe | 2226 | symtab_and_line sal = find_pc_line (address, 0); |
a06efdd6 KS |
2227 | sal.pc = address; |
2228 | sal.section = find_pc_overlay (address); | |
2229 | sal.explicit_pc = 1; | |
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. */ | |
2264 | int i; | |
2265 | struct symtab_and_line sal; | |
2266 | struct symbol *sym; | |
f60e2d5c | 2267 | bound_minimal_symbol_d *elem; |
40e084e1 KS |
2268 | struct program_space *pspace; |
2269 | ||
2270 | if (ls->function_symbols != NULL) | |
2271 | { | |
2272 | /* Sort symbols so that symbols with the same program space are next | |
2273 | to each other. */ | |
2274 | qsort (VEC_address (symbolp, ls->function_symbols), | |
2275 | VEC_length (symbolp, ls->function_symbols), | |
2276 | sizeof (symbolp), compare_symbols); | |
2277 | ||
2278 | for (i = 0; VEC_iterate (symbolp, ls->function_symbols, i, sym); ++i) | |
2279 | { | |
08be3fe3 | 2280 | pspace = SYMTAB_PSPACE (symbol_symtab (sym)); |
40e084e1 | 2281 | set_current_program_space (pspace); |
64b92e45 KS |
2282 | if (symbol_to_sal (&sal, state->funfirstline, sym) |
2283 | && maybe_add_address (state->addr_set, pspace, sal.pc)) | |
66f1999b KS |
2284 | add_sal_to_sals (state, &sals, &sal, |
2285 | SYMBOL_NATURAL_NAME (sym), 0); | |
40e084e1 KS |
2286 | } |
2287 | } | |
2288 | ||
2289 | if (ls->minimal_symbols != NULL) | |
2290 | { | |
2291 | /* Sort minimal symbols by program space, too. */ | |
f60e2d5c TT |
2292 | qsort (VEC_address (bound_minimal_symbol_d, ls->minimal_symbols), |
2293 | VEC_length (bound_minimal_symbol_d, ls->minimal_symbols), | |
2294 | sizeof (bound_minimal_symbol_d), compare_msymbols); | |
40e084e1 KS |
2295 | |
2296 | for (i = 0; | |
f60e2d5c TT |
2297 | VEC_iterate (bound_minimal_symbol_d, ls->minimal_symbols, |
2298 | i, elem); | |
40e084e1 KS |
2299 | ++i) |
2300 | { | |
001822aa | 2301 | pspace = elem->objfile->pspace; |
40e084e1 KS |
2302 | set_current_program_space (pspace); |
2303 | minsym_found (state, elem->objfile, elem->minsym, &sals); | |
2304 | } | |
2305 | } | |
2306 | } | |
67994074 | 2307 | else if (ls->explicit_loc.line_offset.sign != LINE_OFFSET_UNKNOWN) |
40e084e1 KS |
2308 | { |
2309 | /* Only an offset was specified. */ | |
2310 | sals = create_sals_line_offset (state, ls); | |
2311 | ||
2312 | /* Make sure we have a filename for canonicalization. */ | |
67994074 | 2313 | if (ls->explicit_loc.source_filename == NULL) |
05cba821 JK |
2314 | { |
2315 | const char *fullname = symtab_to_fullname (state->default_symtab); | |
2316 | ||
e93ba630 JK |
2317 | /* It may be more appropriate to keep DEFAULT_SYMTAB in its symtab |
2318 | form so that displaying SOURCE_FILENAME can follow the current | |
2319 | FILENAME_DISPLAY_STRING setting. But as it is used only rarely | |
2320 | it has been kept for code simplicity only in absolute form. */ | |
67994074 | 2321 | ls->explicit_loc.source_filename = xstrdup (fullname); |
05cba821 | 2322 | } |
40e084e1 KS |
2323 | } |
2324 | else | |
2325 | { | |
2326 | /* We haven't found any results... */ | |
2327 | return sals; | |
2328 | } | |
2329 | ||
2330 | canonicalize_linespec (state, ls); | |
2331 | ||
6c5b2ebe | 2332 | if (!sals.empty () && state->canonical != NULL) |
40e084e1 KS |
2333 | state->canonical->pre_expanded = 1; |
2334 | ||
2335 | return sals; | |
2336 | } | |
50641945 | 2337 | |
a2459270 PA |
2338 | /* Build RESULT from the explicit location components SOURCE_FILENAME, |
2339 | FUNCTION_NAME, LABEL_NAME and LINE_OFFSET. */ | |
00e52e53 | 2340 | |
a2459270 PA |
2341 | static void |
2342 | convert_explicit_location_to_linespec (struct linespec_state *self, | |
2343 | linespec_p result, | |
2344 | const char *source_filename, | |
2345 | const char *function_name, | |
a20714ff | 2346 | symbol_name_match_type fname_match_type, |
a2459270 PA |
2347 | const char *label_name, |
2348 | struct line_offset line_offset) | |
00e52e53 KS |
2349 | { |
2350 | VEC (symbolp) *symbols, *labels; | |
2351 | VEC (bound_minimal_symbol_d) *minimal_symbols; | |
2352 | ||
a20714ff PA |
2353 | result->explicit_loc.func_name_match_type = fname_match_type; |
2354 | ||
a2459270 | 2355 | if (source_filename != NULL) |
00e52e53 KS |
2356 | { |
2357 | TRY | |
2358 | { | |
2359 | result->file_symtabs | |
a2459270 | 2360 | = symtabs_from_filename (source_filename, self->search_pspace); |
00e52e53 KS |
2361 | } |
2362 | CATCH (except, RETURN_MASK_ERROR) | |
2363 | { | |
a2459270 | 2364 | source_file_not_found_error (source_filename); |
00e52e53 KS |
2365 | } |
2366 | END_CATCH | |
a2459270 | 2367 | result->explicit_loc.source_filename = xstrdup (source_filename); |
00e52e53 KS |
2368 | } |
2369 | else | |
2370 | { | |
2371 | /* A NULL entry means to use the default symtab. */ | |
2372 | VEC_safe_push (symtab_ptr, result->file_symtabs, NULL); | |
2373 | } | |
2374 | ||
a2459270 | 2375 | if (function_name != NULL) |
00e52e53 KS |
2376 | { |
2377 | find_linespec_symbols (self, result->file_symtabs, | |
a20714ff PA |
2378 | function_name, fname_match_type, |
2379 | &symbols, &minimal_symbols); | |
00e52e53 KS |
2380 | |
2381 | if (symbols == NULL && minimal_symbols == NULL) | |
a2459270 | 2382 | symbol_not_found_error (function_name, |
67994074 | 2383 | result->explicit_loc.source_filename); |
00e52e53 | 2384 | |
a2459270 | 2385 | result->explicit_loc.function_name = xstrdup (function_name); |
00e52e53 KS |
2386 | result->function_symbols = symbols; |
2387 | result->minimal_symbols = minimal_symbols; | |
2388 | } | |
2389 | ||
a2459270 | 2390 | if (label_name != NULL) |
00e52e53 KS |
2391 | { |
2392 | symbols = NULL; | |
2393 | labels = find_label_symbols (self, result->function_symbols, | |
a2459270 | 2394 | &symbols, label_name); |
00e52e53 KS |
2395 | |
2396 | if (labels == NULL) | |
67994074 | 2397 | undefined_label_error (result->explicit_loc.function_name, |
a2459270 | 2398 | label_name); |
00e52e53 | 2399 | |
a2459270 | 2400 | result->explicit_loc.label_name = xstrdup (label_name); |
00e52e53 KS |
2401 | result->labels.label_symbols = labels; |
2402 | result->labels.function_symbols = symbols; | |
2403 | } | |
2404 | ||
a2459270 PA |
2405 | if (line_offset.sign != LINE_OFFSET_UNKNOWN) |
2406 | result->explicit_loc.line_offset = line_offset; | |
2407 | } | |
00e52e53 | 2408 | |
a2459270 PA |
2409 | /* Convert the explicit location EXPLICIT_LOC into SaLs. */ |
2410 | ||
6c5b2ebe | 2411 | static std::vector<symtab_and_line> |
a2459270 PA |
2412 | convert_explicit_location_to_sals (struct linespec_state *self, |
2413 | linespec_p result, | |
2414 | const struct explicit_location *explicit_loc) | |
2415 | { | |
2416 | convert_explicit_location_to_linespec (self, result, | |
2417 | explicit_loc->source_filename, | |
2418 | explicit_loc->function_name, | |
a20714ff | 2419 | explicit_loc->func_name_match_type, |
a2459270 PA |
2420 | explicit_loc->label_name, |
2421 | explicit_loc->line_offset); | |
2422 | return convert_linespec_to_sals (self, result); | |
00e52e53 KS |
2423 | } |
2424 | ||
40e084e1 | 2425 | /* Parse a string that specifies a linespec. |
50641945 | 2426 | |
40e084e1 | 2427 | The basic grammar of linespecs: |
50641945 | 2428 | |
a06efdd6 | 2429 | linespec -> var_spec | basic_spec |
40e084e1 | 2430 | var_spec -> '$' (STRING | NUMBER) |
50641945 | 2431 | |
40e084e1 KS |
2432 | basic_spec -> file_offset_spec | function_spec | label_spec |
2433 | file_offset_spec -> opt_file_spec offset_spec | |
2434 | function_spec -> opt_file_spec function_name_spec opt_label_spec | |
2435 | label_spec -> label_name_spec | |
50641945 | 2436 | |
40e084e1 KS |
2437 | opt_file_spec -> "" | file_name_spec ':' |
2438 | opt_label_spec -> "" | ':' label_name_spec | |
2439 | ||
2440 | file_name_spec -> STRING | |
2441 | function_name_spec -> STRING | |
2442 | label_name_spec -> STRING | |
2443 | function_name_spec -> STRING | |
2444 | offset_spec -> NUMBER | |
2445 | -> '+' NUMBER | |
2446 | -> '-' NUMBER | |
2447 | ||
2448 | This may all be followed by several keywords such as "if EXPR", | |
2449 | which we ignore. | |
2450 | ||
2451 | A comma will terminate parsing. | |
2452 | ||
2453 | The function may be an undebuggable function found in minimal symbol table. | |
50641945 FN |
2454 | |
2455 | If the argument FUNFIRSTLINE is nonzero, we want the first line | |
2456 | of real code inside a function when a function is specified, and it is | |
2457 | not OK to specify a variable or type to get its line number. | |
2458 | ||
2459 | DEFAULT_SYMTAB specifies the file to use if none is specified. | |
2460 | It defaults to current_source_symtab. | |
2461 | DEFAULT_LINE specifies the line number to use for relative | |
2462 | line numbers (that start with signs). Defaults to current_source_line. | |
2463 | If CANONICAL is non-NULL, store an array of strings containing the canonical | |
1777feb0 | 2464 | line specs there if necessary. Currently overloaded member functions and |
50641945 | 2465 | line numbers or static functions without a filename yield a canonical |
1777feb0 | 2466 | line spec. The array and the line spec strings are allocated on the heap, |
50641945 FN |
2467 | it is the callers responsibility to free them. |
2468 | ||
2469 | Note that it is possible to return zero for the symtab | |
2470 | if no file is validly specified. Callers must check that. | |
58438ac1 | 2471 | Also, the line number returned may be invalid. */ |
50641945 | 2472 | |
a20714ff PA |
2473 | /* Parse the linespec in ARG. MATCH_TYPE indicates how function names |
2474 | should be matched. */ | |
50641945 | 2475 | |
6c5b2ebe | 2476 | static std::vector<symtab_and_line> |
a20714ff PA |
2477 | parse_linespec (linespec_parser *parser, const char *arg, |
2478 | symbol_name_match_type match_type) | |
50641945 | 2479 | { |
40e084e1 | 2480 | linespec_token token; |
7556d4a4 | 2481 | struct gdb_exception file_exception = exception_none; |
40e084e1 KS |
2482 | |
2483 | /* A special case to start. It has become quite popular for | |
2484 | IDEs to work around bugs in the previous parser by quoting | |
2485 | the entire linespec, so we attempt to deal with this nicely. */ | |
2486 | parser->is_quote_enclosed = 0; | |
c45ec17c PA |
2487 | if (parser->completion_tracker == NULL |
2488 | && !is_ada_operator (arg) | |
f00aae0f | 2489 | && strchr (linespec_quote_characters, *arg) != NULL) |
40e084e1 KS |
2490 | { |
2491 | const char *end; | |
9ef07c8c | 2492 | |
f00aae0f | 2493 | end = skip_quote_char (arg + 1, *arg); |
40e084e1 | 2494 | if (end != NULL && is_closing_quote_enclosed (end)) |
136e1c30 | 2495 | { |
f00aae0f | 2496 | /* Here's the special case. Skip ARG past the initial |
40e084e1 | 2497 | quote. */ |
f00aae0f | 2498 | ++arg; |
40e084e1 | 2499 | parser->is_quote_enclosed = 1; |
136e1c30 DE |
2500 | } |
2501 | } | |
e8eb7bc5 | 2502 | |
f00aae0f KS |
2503 | parser->lexer.saved_arg = arg; |
2504 | parser->lexer.stream = arg; | |
c45ec17c PA |
2505 | parser->completion_word = arg; |
2506 | parser->complete_what = linespec_complete_what::FUNCTION; | |
a20714ff | 2507 | PARSER_EXPLICIT (parser)->func_name_match_type = match_type; |
d2630e69 | 2508 | |
40e084e1 KS |
2509 | /* Initialize the default symtab and line offset. */ |
2510 | initialize_defaults (&PARSER_STATE (parser)->default_symtab, | |
2511 | &PARSER_STATE (parser)->default_line); | |
d2630e69 | 2512 | |
40e084e1 | 2513 | /* Objective-C shortcut. */ |
c45ec17c PA |
2514 | if (parser->completion_tracker == NULL) |
2515 | { | |
6c5b2ebe PA |
2516 | std::vector<symtab_and_line> values |
2517 | = decode_objc (PARSER_STATE (parser), PARSER_RESULT (parser), arg); | |
2518 | if (!values.empty ()) | |
c45ec17c PA |
2519 | return values; |
2520 | } | |
2521 | else | |
2522 | { | |
2523 | /* "-"/"+" is either an objc selector, or a number. There's | |
2524 | nothing to complete the latter to, so just let the caller | |
2525 | complete on functions, which finds objc selectors, if there's | |
2526 | any. */ | |
2527 | if ((arg[0] == '-' || arg[0] == '+') && arg[1] == '\0') | |
2528 | return {}; | |
2529 | } | |
e0881a8e | 2530 | |
40e084e1 | 2531 | /* Start parsing. */ |
d2630e69 | 2532 | |
40e084e1 | 2533 | /* Get the first token. */ |
c45ec17c | 2534 | token = linespec_lexer_consume_token (parser); |
50641945 | 2535 | |
40e084e1 | 2536 | /* It must be either LSTOKEN_STRING or LSTOKEN_NUMBER. */ |
a06efdd6 | 2537 | if (token.type == LSTOKEN_STRING && *LS_TOKEN_STOKEN (token).ptr == '$') |
40e084e1 | 2538 | { |
40e084e1 | 2539 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
c45ec17c PA |
2540 | if (parser->completion_tracker == NULL) |
2541 | VEC_safe_push (symtab_ptr, PARSER_RESULT (parser)->file_symtabs, NULL); | |
dcf9f4ab | 2542 | |
40e084e1 | 2543 | /* User specified a convenience variable or history value. */ |
a5b5adf5 | 2544 | gdb::unique_xmalloc_ptr<char> var = copy_token_string (token); |
00e52e53 | 2545 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 2546 | = linespec_parse_variable (PARSER_STATE (parser), var.get ()); |
f8eba3c6 | 2547 | |
40e084e1 KS |
2548 | /* If a line_offset wasn't found (VAR is the name of a user |
2549 | variable/function), then skip to normal symbol processing. */ | |
00e52e53 | 2550 | if (PARSER_EXPLICIT (parser)->line_offset.sign != LINE_OFFSET_UNKNOWN) |
40e084e1 | 2551 | { |
40e084e1 KS |
2552 | /* Consume this token. */ |
2553 | linespec_lexer_consume_token (parser); | |
dcf9f4ab | 2554 | |
40e084e1 | 2555 | goto convert_to_sals; |
50641945 | 2556 | } |
40e084e1 | 2557 | } |
c45ec17c PA |
2558 | else if (token.type == LSTOKEN_EOI && parser->completion_tracker != NULL) |
2559 | { | |
2560 | /* Let the default linespec_complete_what::FUNCTION kick in. */ | |
2561 | unexpected_linespec_error (parser); | |
2562 | } | |
40e084e1 | 2563 | else if (token.type != LSTOKEN_STRING && token.type != LSTOKEN_NUMBER) |
c45ec17c PA |
2564 | { |
2565 | parser->complete_what = linespec_complete_what::NOTHING; | |
2566 | unexpected_linespec_error (parser); | |
2567 | } | |
50641945 | 2568 | |
40e084e1 KS |
2569 | /* Shortcut: If the next token is not LSTOKEN_COLON, we know that |
2570 | this token cannot represent a filename. */ | |
2571 | token = linespec_lexer_peek_token (parser); | |
0e0b460e | 2572 | |
40e084e1 | 2573 | if (token.type == LSTOKEN_COLON) |
0e0b460e | 2574 | { |
40e084e1 KS |
2575 | /* Get the current token again and extract the filename. */ |
2576 | token = linespec_lexer_lex_one (parser); | |
a5b5adf5 | 2577 | gdb::unique_xmalloc_ptr<char> user_filename = copy_token_string (token); |
50641945 | 2578 | |
40e084e1 | 2579 | /* Check if the input is a filename. */ |
492d29ea | 2580 | TRY |
40e084e1 KS |
2581 | { |
2582 | PARSER_RESULT (parser)->file_symtabs | |
a5b5adf5 | 2583 | = symtabs_from_filename (user_filename.get (), |
c2f4122d | 2584 | PARSER_STATE (parser)->search_pspace); |
40e084e1 | 2585 | } |
492d29ea | 2586 | CATCH (ex, RETURN_MASK_ERROR) |
7556d4a4 PA |
2587 | { |
2588 | file_exception = ex; | |
2589 | } | |
492d29ea | 2590 | END_CATCH |
50641945 | 2591 | |
40e084e1 KS |
2592 | if (file_exception.reason >= 0) |
2593 | { | |
2594 | /* Symtabs were found for the file. Record the filename. */ | |
a5b5adf5 | 2595 | PARSER_EXPLICIT (parser)->source_filename = user_filename.release (); |
f8eba3c6 | 2596 | |
40e084e1 KS |
2597 | /* Get the next token. */ |
2598 | token = linespec_lexer_consume_token (parser); | |
50641945 | 2599 | |
40e084e1 KS |
2600 | /* This is LSTOKEN_COLON; consume it. */ |
2601 | linespec_lexer_consume_token (parser); | |
2602 | } | |
2603 | else | |
2604 | { | |
40e084e1 | 2605 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
ec94af83 | 2606 | VEC_safe_push (symtab_ptr, PARSER_RESULT (parser)->file_symtabs, NULL); |
40e084e1 | 2607 | } |
50641945 | 2608 | } |
40e084e1 | 2609 | /* If the next token is not EOI, KEYWORD, or COMMA, issue an error. */ |
c45ec17c PA |
2610 | else if (parser->completion_tracker == NULL |
2611 | && (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD | |
2612 | && token.type != LSTOKEN_COMMA)) | |
d2630e69 | 2613 | { |
40e084e1 KS |
2614 | /* TOKEN is the _next_ token, not the one currently in the parser. |
2615 | Consuming the token will give the correct error message. */ | |
2616 | linespec_lexer_consume_token (parser); | |
2617 | unexpected_linespec_error (parser); | |
d2630e69 | 2618 | } |
50641945 FN |
2619 | else |
2620 | { | |
40e084e1 | 2621 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
ec94af83 | 2622 | VEC_safe_push (symtab_ptr, PARSER_RESULT (parser)->file_symtabs, NULL); |
50641945 | 2623 | } |
50641945 | 2624 | |
40e084e1 KS |
2625 | /* Parse the rest of the linespec. */ |
2626 | linespec_parse_basic (parser); | |
50641945 | 2627 | |
c45ec17c PA |
2628 | if (parser->completion_tracker == NULL |
2629 | && PARSER_RESULT (parser)->function_symbols == NULL | |
40e084e1 | 2630 | && PARSER_RESULT (parser)->labels.label_symbols == NULL |
00e52e53 | 2631 | && PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN |
40e084e1 | 2632 | && PARSER_RESULT (parser)->minimal_symbols == NULL) |
f8eba3c6 | 2633 | { |
40e084e1 KS |
2634 | /* The linespec didn't parse. Re-throw the file exception if |
2635 | there was one. */ | |
2636 | if (file_exception.reason < 0) | |
2637 | throw_exception (file_exception); | |
0f5238ed | 2638 | |
40e084e1 | 2639 | /* Otherwise, the symbol is not found. */ |
00e52e53 KS |
2640 | symbol_not_found_error (PARSER_EXPLICIT (parser)->function_name, |
2641 | PARSER_EXPLICIT (parser)->source_filename); | |
0f5238ed TT |
2642 | } |
2643 | ||
40e084e1 | 2644 | convert_to_sals: |
9ef07c8c | 2645 | |
40e084e1 KS |
2646 | /* Get the last token and record how much of the input was parsed, |
2647 | if necessary. */ | |
2648 | token = linespec_lexer_lex_one (parser); | |
2649 | if (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD) | |
c45ec17c PA |
2650 | unexpected_linespec_error (parser); |
2651 | else if (token.type == LSTOKEN_KEYWORD) | |
2652 | { | |
2653 | /* Setup the completion word past the keyword. Lexing never | |
2654 | advances past a keyword automatically, so skip it | |
2655 | manually. */ | |
2656 | parser->completion_word | |
f1735a53 | 2657 | = skip_spaces (skip_to_space (PARSER_STREAM (parser))); |
c45ec17c PA |
2658 | parser->complete_what = linespec_complete_what::EXPRESSION; |
2659 | } | |
50641945 | 2660 | |
40e084e1 | 2661 | /* Convert the data in PARSER_RESULT to SALs. */ |
c45ec17c | 2662 | if (parser->completion_tracker == NULL) |
6c5b2ebe PA |
2663 | return convert_linespec_to_sals (PARSER_STATE (parser), |
2664 | PARSER_RESULT (parser)); | |
f8eba3c6 | 2665 | |
6c5b2ebe | 2666 | return {}; |
413dad4d | 2667 | } |
50641945 | 2668 | |
40e084e1 | 2669 | |
f8eba3c6 | 2670 | /* A constructor for linespec_state. */ |
44fe14ab | 2671 | |
f8eba3c6 TT |
2672 | static void |
2673 | linespec_state_constructor (struct linespec_state *self, | |
40e084e1 | 2674 | int flags, const struct language_defn *language, |
c2f4122d | 2675 | struct program_space *search_pspace, |
f8eba3c6 TT |
2676 | struct symtab *default_symtab, |
2677 | int default_line, | |
2678 | struct linespec_result *canonical) | |
2679 | { | |
2680 | memset (self, 0, sizeof (*self)); | |
40e084e1 | 2681 | self->language = language; |
f8eba3c6 TT |
2682 | self->funfirstline = (flags & DECODE_LINE_FUNFIRSTLINE) ? 1 : 0; |
2683 | self->list_mode = (flags & DECODE_LINE_LIST_MODE) ? 1 : 0; | |
c2f4122d | 2684 | self->search_pspace = search_pspace; |
f8eba3c6 TT |
2685 | self->default_symtab = default_symtab; |
2686 | self->default_line = default_line; | |
2687 | self->canonical = canonical; | |
2688 | self->program_space = current_program_space; | |
2689 | self->addr_set = htab_create_alloc (10, hash_address_entry, eq_address_entry, | |
2690 | xfree, xcalloc, xfree); | |
00e52e53 | 2691 | self->is_linespec = 0; |
f8eba3c6 | 2692 | } |
44fe14ab | 2693 | |
40e084e1 | 2694 | /* Initialize a new linespec parser. */ |
44fe14ab DC |
2695 | |
2696 | static void | |
40e084e1 KS |
2697 | linespec_parser_new (linespec_parser *parser, |
2698 | int flags, const struct language_defn *language, | |
c2f4122d | 2699 | struct program_space *search_pspace, |
40e084e1 KS |
2700 | struct symtab *default_symtab, |
2701 | int default_line, | |
2702 | struct linespec_result *canonical) | |
44fe14ab | 2703 | { |
f00aae0f | 2704 | memset (parser, 0, sizeof (linespec_parser)); |
40e084e1 KS |
2705 | parser->lexer.current.type = LSTOKEN_CONSUMED; |
2706 | memset (PARSER_RESULT (parser), 0, sizeof (struct linespec)); | |
a20714ff PA |
2707 | PARSER_EXPLICIT (parser)->func_name_match_type |
2708 | = symbol_name_match_type::WILD; | |
00e52e53 | 2709 | PARSER_EXPLICIT (parser)->line_offset.sign = LINE_OFFSET_UNKNOWN; |
40e084e1 | 2710 | linespec_state_constructor (PARSER_STATE (parser), flags, language, |
c2f4122d | 2711 | search_pspace, |
40e084e1 KS |
2712 | default_symtab, default_line, canonical); |
2713 | } | |
2714 | ||
2715 | /* A destructor for linespec_state. */ | |
44fe14ab | 2716 | |
40e084e1 KS |
2717 | static void |
2718 | linespec_state_destructor (struct linespec_state *self) | |
2719 | { | |
f8eba3c6 TT |
2720 | htab_delete (self->addr_set); |
2721 | } | |
44fe14ab | 2722 | |
40e084e1 KS |
2723 | /* Delete a linespec parser. */ |
2724 | ||
2725 | static void | |
2726 | linespec_parser_delete (void *arg) | |
2727 | { | |
2728 | linespec_parser *parser = (linespec_parser *) arg; | |
2729 | ||
00e52e53 KS |
2730 | xfree (PARSER_EXPLICIT (parser)->source_filename); |
2731 | xfree (PARSER_EXPLICIT (parser)->label_name); | |
2732 | xfree (PARSER_EXPLICIT (parser)->function_name); | |
40e084e1 KS |
2733 | |
2734 | if (PARSER_RESULT (parser)->file_symtabs != NULL) | |
ec94af83 | 2735 | VEC_free (symtab_ptr, PARSER_RESULT (parser)->file_symtabs); |
40e084e1 KS |
2736 | |
2737 | if (PARSER_RESULT (parser)->function_symbols != NULL) | |
2738 | VEC_free (symbolp, PARSER_RESULT (parser)->function_symbols); | |
2739 | ||
2740 | if (PARSER_RESULT (parser)->minimal_symbols != NULL) | |
f60e2d5c | 2741 | VEC_free (bound_minimal_symbol_d, PARSER_RESULT (parser)->minimal_symbols); |
40e084e1 KS |
2742 | |
2743 | if (PARSER_RESULT (parser)->labels.label_symbols != NULL) | |
2744 | VEC_free (symbolp, PARSER_RESULT (parser)->labels.label_symbols); | |
2745 | ||
2746 | if (PARSER_RESULT (parser)->labels.function_symbols != NULL) | |
2747 | VEC_free (symbolp, PARSER_RESULT (parser)->labels.function_symbols); | |
2748 | ||
2749 | linespec_state_destructor (PARSER_STATE (parser)); | |
2750 | } | |
2751 | ||
c7c1b3e9 KS |
2752 | /* See description in linespec.h. */ |
2753 | ||
2754 | void | |
f2fc3015 | 2755 | linespec_lex_to_end (const char **stringp) |
c7c1b3e9 KS |
2756 | { |
2757 | linespec_parser parser; | |
2758 | struct cleanup *cleanup; | |
2759 | linespec_token token; | |
c7c1b3e9 KS |
2760 | const char *orig; |
2761 | ||
2762 | if (stringp == NULL || *stringp == NULL) | |
2763 | return; | |
2764 | ||
c2f4122d | 2765 | linespec_parser_new (&parser, 0, current_language, NULL, NULL, 0, NULL); |
c7c1b3e9 KS |
2766 | cleanup = make_cleanup (linespec_parser_delete, &parser); |
2767 | parser.lexer.saved_arg = *stringp; | |
2768 | PARSER_STREAM (&parser) = orig = *stringp; | |
2769 | ||
2770 | do | |
2771 | { | |
2772 | /* Stop before any comma tokens; we need it to keep it | |
2773 | as the next token in the string. */ | |
2774 | token = linespec_lexer_peek_token (&parser); | |
2775 | if (token.type == LSTOKEN_COMMA) | |
2776 | break; | |
c7c1b3e9 KS |
2777 | token = linespec_lexer_consume_token (&parser); |
2778 | } | |
2779 | while (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD); | |
2780 | ||
2781 | *stringp += PARSER_STREAM (&parser) - orig; | |
2782 | do_cleanups (cleanup); | |
2783 | } | |
2784 | ||
c6756f62 PA |
2785 | /* See linespec.h. */ |
2786 | ||
2787 | void | |
2788 | linespec_complete_function (completion_tracker &tracker, | |
2789 | const char *function, | |
a20714ff | 2790 | symbol_name_match_type func_match_type, |
c6756f62 PA |
2791 | const char *source_filename) |
2792 | { | |
2793 | complete_symbol_mode mode = complete_symbol_mode::LINESPEC; | |
2794 | ||
2795 | if (source_filename != NULL) | |
2796 | { | |
b5ec771e PA |
2797 | collect_file_symbol_completion_matches (tracker, mode, func_match_type, |
2798 | function, function, source_filename); | |
c6756f62 PA |
2799 | } |
2800 | else | |
b5ec771e PA |
2801 | { |
2802 | collect_symbol_completion_matches (tracker, mode, func_match_type, | |
2803 | function, function); | |
2804 | ||
2805 | } | |
c6756f62 PA |
2806 | } |
2807 | ||
c45ec17c PA |
2808 | /* Helper for complete_linespec to simplify it. SOURCE_FILENAME is |
2809 | only meaningful if COMPONENT is FUNCTION. */ | |
2810 | ||
2811 | static void | |
2812 | complete_linespec_component (linespec_parser *parser, | |
2813 | completion_tracker &tracker, | |
2814 | const char *text, | |
2815 | linespec_complete_what component, | |
2816 | const char *source_filename) | |
2817 | { | |
2818 | if (component == linespec_complete_what::KEYWORD) | |
2819 | { | |
2820 | complete_on_enum (tracker, linespec_keywords, text, text); | |
2821 | } | |
2822 | else if (component == linespec_complete_what::EXPRESSION) | |
2823 | { | |
2824 | const char *word | |
2825 | = advance_to_expression_complete_word_point (tracker, text); | |
2826 | complete_expression (tracker, text, word); | |
2827 | } | |
2828 | else if (component == linespec_complete_what::FUNCTION) | |
2829 | { | |
2830 | completion_list fn_list; | |
2831 | ||
a20714ff PA |
2832 | symbol_name_match_type match_type |
2833 | = PARSER_EXPLICIT (parser)->func_name_match_type; | |
2834 | linespec_complete_function (tracker, text, match_type, source_filename); | |
c45ec17c PA |
2835 | if (source_filename == NULL) |
2836 | { | |
2837 | /* Haven't seen a source component, like in "b | |
2838 | file.c:function[TAB]". Maybe this wasn't a function, but | |
2839 | a filename instead, like "b file.[TAB]". */ | |
2840 | fn_list = complete_source_filenames (text); | |
2841 | } | |
2842 | ||
2843 | /* If we only have a single filename completion, append a ':' for | |
2844 | the user, since that's the only thing that can usefully follow | |
2845 | the filename. */ | |
2846 | if (fn_list.size () == 1 && !tracker.have_completions ()) | |
2847 | { | |
2848 | char *fn = fn_list[0].release (); | |
2849 | ||
2850 | /* If we also need to append a quote char, it needs to be | |
2851 | appended before the ':'. Append it now, and make ':' the | |
2852 | new "quote" char. */ | |
2853 | if (tracker.quote_char ()) | |
2854 | { | |
2855 | char quote_char_str[2] = { tracker.quote_char () }; | |
2856 | ||
2857 | fn = reconcat (fn, fn, quote_char_str, (char *) NULL); | |
2858 | tracker.set_quote_char (':'); | |
2859 | } | |
2860 | else | |
2861 | fn = reconcat (fn, fn, ":", (char *) NULL); | |
2862 | fn_list[0].reset (fn); | |
2863 | ||
2864 | /* Tell readline to skip appending a space. */ | |
2865 | tracker.set_suppress_append_ws (true); | |
2866 | } | |
2867 | tracker.add_completions (std::move (fn_list)); | |
2868 | } | |
2869 | } | |
2870 | ||
a2459270 PA |
2871 | /* Helper for linespec_complete_label. Find labels that match |
2872 | LABEL_NAME in the function symbols listed in the PARSER, and add | |
2873 | them to the tracker. */ | |
2874 | ||
2875 | static void | |
2876 | complete_label (completion_tracker &tracker, | |
2877 | linespec_parser *parser, | |
2878 | const char *label_name) | |
2879 | { | |
2880 | VEC (symbolp) *label_function_symbols = NULL; | |
2881 | VEC (symbolp) *labels | |
2882 | = find_label_symbols (PARSER_STATE (parser), | |
2883 | PARSER_RESULT (parser)->function_symbols, | |
2884 | &label_function_symbols, | |
2885 | label_name, true); | |
2886 | ||
2887 | symbol *label; | |
2888 | for (int ix = 0; | |
2889 | VEC_iterate (symbolp, labels, ix, label); ++ix) | |
2890 | { | |
2891 | char *match = xstrdup (SYMBOL_SEARCH_NAME (label)); | |
2892 | tracker.add_completion (gdb::unique_xmalloc_ptr<char> (match)); | |
2893 | } | |
2894 | VEC_free (symbolp, labels); | |
2895 | } | |
2896 | ||
2897 | /* See linespec.h. */ | |
2898 | ||
2899 | void | |
2900 | linespec_complete_label (completion_tracker &tracker, | |
2901 | const struct language_defn *language, | |
2902 | const char *source_filename, | |
2903 | const char *function_name, | |
a20714ff | 2904 | symbol_name_match_type func_name_match_type, |
a2459270 PA |
2905 | const char *label_name) |
2906 | { | |
2907 | linespec_parser parser; | |
2908 | struct cleanup *cleanup; | |
2909 | ||
2910 | linespec_parser_new (&parser, 0, language, NULL, NULL, 0, NULL); | |
2911 | cleanup = make_cleanup (linespec_parser_delete, &parser); | |
2912 | ||
2913 | line_offset unknown_offset = { 0, LINE_OFFSET_UNKNOWN }; | |
2914 | ||
2915 | TRY | |
2916 | { | |
2917 | convert_explicit_location_to_linespec (PARSER_STATE (&parser), | |
2918 | PARSER_RESULT (&parser), | |
2919 | source_filename, | |
2920 | function_name, | |
a20714ff | 2921 | func_name_match_type, |
a2459270 PA |
2922 | NULL, unknown_offset); |
2923 | } | |
2924 | CATCH (ex, RETURN_MASK_ERROR) | |
2925 | { | |
2926 | do_cleanups (cleanup); | |
2927 | return; | |
2928 | } | |
2929 | END_CATCH | |
2930 | ||
2931 | complete_label (tracker, &parser, label_name); | |
2932 | ||
2933 | do_cleanups (cleanup); | |
2934 | } | |
2935 | ||
c45ec17c PA |
2936 | /* See description in linespec.h. */ |
2937 | ||
2938 | void | |
a20714ff PA |
2939 | linespec_complete (completion_tracker &tracker, const char *text, |
2940 | symbol_name_match_type match_type) | |
c45ec17c PA |
2941 | { |
2942 | linespec_parser parser; | |
2943 | struct cleanup *cleanup; | |
2944 | const char *orig = text; | |
2945 | ||
2946 | linespec_parser_new (&parser, 0, current_language, NULL, NULL, 0, NULL); | |
2947 | cleanup = make_cleanup (linespec_parser_delete, &parser); | |
2948 | parser.lexer.saved_arg = text; | |
a20714ff | 2949 | PARSER_EXPLICIT (&parser)->func_name_match_type = match_type; |
c45ec17c PA |
2950 | PARSER_STREAM (&parser) = text; |
2951 | ||
2952 | parser.completion_tracker = &tracker; | |
2953 | PARSER_STATE (&parser)->is_linespec = 1; | |
2954 | ||
2955 | /* Parse as much as possible. parser.completion_word will hold | |
2956 | furthest completion point we managed to parse to. */ | |
2957 | TRY | |
2958 | { | |
a20714ff | 2959 | parse_linespec (&parser, text, match_type); |
c45ec17c PA |
2960 | } |
2961 | CATCH (except, RETURN_MASK_ERROR) | |
2962 | { | |
2963 | } | |
2964 | END_CATCH | |
2965 | ||
2966 | if (parser.completion_quote_char != '\0' | |
2967 | && parser.completion_quote_end != NULL | |
2968 | && parser.completion_quote_end[1] == '\0') | |
2969 | { | |
2970 | /* If completing a quoted string with the cursor right at | |
2971 | terminating quote char, complete the completion word without | |
2972 | interpretation, so that readline advances the cursor one | |
2973 | whitespace past the quote, even if there's no match. This | |
2974 | makes these cases behave the same: | |
2975 | ||
2976 | before: "b function()" | |
2977 | after: "b function() " | |
2978 | ||
2979 | before: "b 'function()'" | |
2980 | after: "b 'function()' " | |
2981 | ||
2982 | and trusts the user in this case: | |
2983 | ||
2984 | before: "b 'not_loaded_function_yet()'" | |
2985 | after: "b 'not_loaded_function_yet()' " | |
2986 | */ | |
2987 | parser.complete_what = linespec_complete_what::NOTHING; | |
2988 | parser.completion_quote_char = '\0'; | |
2989 | ||
2990 | gdb::unique_xmalloc_ptr<char> text_copy | |
2991 | (xstrdup (parser.completion_word)); | |
2992 | tracker.add_completion (std::move (text_copy)); | |
2993 | } | |
2994 | ||
2995 | tracker.set_quote_char (parser.completion_quote_char); | |
2996 | ||
2997 | if (parser.complete_what == linespec_complete_what::LABEL) | |
2998 | { | |
2999 | parser.complete_what = linespec_complete_what::NOTHING; | |
3000 | ||
3001 | const char *func_name = PARSER_EXPLICIT (&parser)->function_name; | |
3002 | ||
3003 | VEC (symbolp) *function_symbols; | |
3004 | VEC (bound_minimal_symbol_d) *minimal_symbols; | |
3005 | find_linespec_symbols (PARSER_STATE (&parser), | |
3006 | PARSER_RESULT (&parser)->file_symtabs, | |
a20714ff | 3007 | func_name, match_type, |
c45ec17c PA |
3008 | &function_symbols, &minimal_symbols); |
3009 | ||
3010 | PARSER_RESULT (&parser)->function_symbols = function_symbols; | |
3011 | PARSER_RESULT (&parser)->minimal_symbols = minimal_symbols; | |
3012 | ||
3013 | complete_label (tracker, &parser, parser.completion_word); | |
3014 | } | |
3015 | else if (parser.complete_what == linespec_complete_what::FUNCTION) | |
3016 | { | |
3017 | /* While parsing/lexing, we didn't know whether the completion | |
3018 | word completes to a unique function/source name already or | |
3019 | not. | |
3020 | ||
3021 | E.g.: | |
3022 | "b function() <tab>" | |
3023 | may need to complete either to: | |
3024 | "b function() const" | |
3025 | or to: | |
3026 | "b function() if/thread/task" | |
3027 | ||
3028 | Or, this: | |
3029 | "b foo t" | |
3030 | may need to complete either to: | |
3031 | "b foo template_fun<T>()" | |
3032 | with "foo" being the template function's return type, or to: | |
3033 | "b foo thread/task" | |
3034 | ||
3035 | Or, this: | |
3036 | "b file<TAB>" | |
3037 | may need to complete either to a source file name: | |
3038 | "b file.c" | |
3039 | or this, also a filename, but a unique completion: | |
3040 | "b file.c:" | |
3041 | or to a function name: | |
3042 | "b file_function" | |
3043 | ||
3044 | Address that by completing assuming source or function, and | |
3045 | seeing if we find a completion that matches exactly the | |
3046 | completion word. If so, then it must be a function (see note | |
3047 | below) and we advance the completion word to the end of input | |
3048 | and switch to KEYWORD completion mode. | |
3049 | ||
3050 | Note: if we find a unique completion for a source filename, | |
3051 | then it won't match the completion word, because the LCD will | |
3052 | contain a trailing ':'. And if we're completing at or after | |
3053 | the ':', then complete_linespec_component won't try to | |
3054 | complete on source filenames. */ | |
3055 | ||
c45ec17c PA |
3056 | const char *word = parser.completion_word; |
3057 | ||
3058 | complete_linespec_component (&parser, tracker, | |
3059 | parser.completion_word, | |
3060 | linespec_complete_what::FUNCTION, | |
3061 | PARSER_EXPLICIT (&parser)->source_filename); | |
3062 | ||
3063 | parser.complete_what = linespec_complete_what::NOTHING; | |
3064 | ||
3065 | if (tracker.quote_char ()) | |
3066 | { | |
3067 | /* The function/file name was not close-quoted, so this | |
3068 | can't be a keyword. Note: complete_linespec_component | |
3069 | may have swapped the original quote char for ':' when we | |
3070 | get here, but that still indicates the same. */ | |
3071 | } | |
3072 | else if (!tracker.have_completions ()) | |
3073 | { | |
3074 | size_t key_start; | |
3075 | size_t wordlen = strlen (parser.completion_word); | |
3076 | ||
3077 | key_start | |
3078 | = string_find_incomplete_keyword_at_end (linespec_keywords, | |
3079 | parser.completion_word, | |
3080 | wordlen); | |
3081 | ||
3082 | if (key_start != -1 | |
3083 | || (wordlen > 0 | |
3084 | && parser.completion_word[wordlen - 1] == ' ')) | |
3085 | { | |
3086 | parser.completion_word += key_start; | |
3087 | parser.complete_what = linespec_complete_what::KEYWORD; | |
3088 | } | |
3089 | } | |
3090 | else if (tracker.completes_to_completion_word (word)) | |
3091 | { | |
3092 | /* Skip the function and complete on keywords. */ | |
3093 | parser.completion_word += strlen (word); | |
3094 | parser.complete_what = linespec_complete_what::KEYWORD; | |
3095 | tracker.discard_completions (); | |
3096 | } | |
3097 | } | |
3098 | ||
3099 | tracker.advance_custom_word_point_by (parser.completion_word - orig); | |
3100 | ||
3101 | complete_linespec_component (&parser, tracker, | |
3102 | parser.completion_word, | |
3103 | parser.complete_what, | |
3104 | PARSER_EXPLICIT (&parser)->source_filename); | |
3105 | ||
3106 | /* If we're past the "filename:function:label:offset" linespec, and | |
3107 | didn't find any match, then assume the user might want to create | |
3108 | a pending breakpoint anyway and offer the keyword | |
3109 | completions. */ | |
3110 | if (!parser.completion_quote_char | |
3111 | && (parser.complete_what == linespec_complete_what::FUNCTION | |
3112 | || parser.complete_what == linespec_complete_what::LABEL | |
3113 | || parser.complete_what == linespec_complete_what::NOTHING) | |
3114 | && !tracker.have_completions ()) | |
3115 | { | |
3116 | const char *end | |
3117 | = parser.completion_word + strlen (parser.completion_word); | |
3118 | ||
3119 | if (end > orig && end[-1] == ' ') | |
3120 | { | |
3121 | tracker.advance_custom_word_point_by (end - parser.completion_word); | |
3122 | ||
3123 | complete_linespec_component (&parser, tracker, end, | |
3124 | linespec_complete_what::KEYWORD, | |
3125 | NULL); | |
3126 | } | |
3127 | } | |
3128 | ||
3129 | do_cleanups (cleanup); | |
3130 | } | |
3131 | ||
f00aae0f | 3132 | /* A helper function for decode_line_full and decode_line_1 to |
6c5b2ebe | 3133 | turn LOCATION into std::vector<symtab_and_line>. */ |
f00aae0f | 3134 | |
6c5b2ebe | 3135 | static std::vector<symtab_and_line> |
f00aae0f KS |
3136 | event_location_to_sals (linespec_parser *parser, |
3137 | const struct event_location *location) | |
3138 | { | |
6c5b2ebe | 3139 | std::vector<symtab_and_line> result; |
f00aae0f KS |
3140 | |
3141 | switch (event_location_type (location)) | |
3142 | { | |
3143 | case LINESPEC_LOCATION: | |
3144 | { | |
00e52e53 | 3145 | PARSER_STATE (parser)->is_linespec = 1; |
f00aae0f KS |
3146 | TRY |
3147 | { | |
a20714ff PA |
3148 | const linespec_location *ls = get_linespec_location (location); |
3149 | result = parse_linespec (parser, | |
3150 | ls->spec_string, ls->match_type); | |
f00aae0f KS |
3151 | } |
3152 | CATCH (except, RETURN_MASK_ERROR) | |
3153 | { | |
3154 | throw_exception (except); | |
3155 | } | |
3156 | END_CATCH | |
3157 | } | |
3158 | break; | |
3159 | ||
a06efdd6 | 3160 | case ADDRESS_LOCATION: |
305e13e6 JB |
3161 | { |
3162 | const char *addr_string = get_address_string_location (location); | |
3163 | CORE_ADDR addr = get_address_location (location); | |
3164 | ||
3165 | if (addr_string != NULL) | |
3166 | { | |
9be2c17a | 3167 | addr = linespec_expression_to_pc (&addr_string); |
305e13e6 JB |
3168 | if (PARSER_STATE (parser)->canonical != NULL) |
3169 | PARSER_STATE (parser)->canonical->location | |
8e9e35b1 | 3170 | = copy_event_location (location); |
305e13e6 JB |
3171 | } |
3172 | ||
3173 | result = convert_address_location_to_sals (PARSER_STATE (parser), | |
3174 | addr); | |
3175 | } | |
a06efdd6 KS |
3176 | break; |
3177 | ||
00e52e53 KS |
3178 | case EXPLICIT_LOCATION: |
3179 | { | |
67994074 | 3180 | const struct explicit_location *explicit_loc; |
00e52e53 | 3181 | |
67994074 | 3182 | explicit_loc = get_explicit_location_const (location); |
00e52e53 KS |
3183 | result = convert_explicit_location_to_sals (PARSER_STATE (parser), |
3184 | PARSER_RESULT (parser), | |
67994074 | 3185 | explicit_loc); |
00e52e53 KS |
3186 | } |
3187 | break; | |
3188 | ||
5b56227b KS |
3189 | case PROBE_LOCATION: |
3190 | /* Probes are handled by their own decoders. */ | |
3191 | gdb_assert_not_reached ("attempt to decode probe location"); | |
3192 | break; | |
3193 | ||
f00aae0f KS |
3194 | default: |
3195 | gdb_assert_not_reached ("unhandled event location type"); | |
3196 | } | |
3197 | ||
3198 | return result; | |
3199 | } | |
3200 | ||
f8eba3c6 | 3201 | /* See linespec.h. */ |
44fe14ab | 3202 | |
f8eba3c6 | 3203 | void |
f00aae0f | 3204 | decode_line_full (const struct event_location *location, int flags, |
c2f4122d | 3205 | struct program_space *search_pspace, |
f8eba3c6 TT |
3206 | struct symtab *default_symtab, |
3207 | int default_line, struct linespec_result *canonical, | |
3208 | const char *select_mode, | |
3209 | const char *filter) | |
44fe14ab | 3210 | { |
f8eba3c6 | 3211 | struct cleanup *cleanups; |
f73c6ece | 3212 | std::vector<const char *> filters; |
40e084e1 KS |
3213 | linespec_parser parser; |
3214 | struct linespec_state *state; | |
f8eba3c6 TT |
3215 | |
3216 | gdb_assert (canonical != NULL); | |
3217 | /* The filter only makes sense for 'all'. */ | |
3218 | gdb_assert (filter == NULL || select_mode == multiple_symbols_all); | |
3219 | gdb_assert (select_mode == NULL | |
3220 | || select_mode == multiple_symbols_all | |
3221 | || select_mode == multiple_symbols_ask | |
3222 | || select_mode == multiple_symbols_cancel); | |
3223 | gdb_assert ((flags & DECODE_LINE_LIST_MODE) == 0); | |
3224 | ||
c2f4122d PA |
3225 | linespec_parser_new (&parser, flags, current_language, |
3226 | search_pspace, default_symtab, | |
40e084e1 KS |
3227 | default_line, canonical); |
3228 | cleanups = make_cleanup (linespec_parser_delete, &parser); | |
5ed8105e PA |
3229 | |
3230 | scoped_restore_current_program_space restore_pspace; | |
f8eba3c6 | 3231 | |
6c5b2ebe PA |
3232 | std::vector<symtab_and_line> result = event_location_to_sals (&parser, |
3233 | location); | |
40e084e1 | 3234 | state = PARSER_STATE (&parser); |
f8eba3c6 | 3235 | |
6c5b2ebe | 3236 | gdb_assert (result.size () == 1 || canonical->pre_expanded); |
f8eba3c6 TT |
3237 | canonical->pre_expanded = 1; |
3238 | ||
66f1999b | 3239 | /* Arrange for allocated canonical names to be freed. */ |
6c5b2ebe | 3240 | if (!result.empty ()) |
f8eba3c6 TT |
3241 | { |
3242 | int i; | |
3243 | ||
40e084e1 | 3244 | make_cleanup (xfree, state->canonical_names); |
6c5b2ebe | 3245 | for (i = 0; i < result.size (); ++i) |
f8eba3c6 | 3246 | { |
33f448b1 JK |
3247 | gdb_assert (state->canonical_names[i].suffix != NULL); |
3248 | make_cleanup (xfree, state->canonical_names[i].suffix); | |
f8eba3c6 TT |
3249 | } |
3250 | } | |
3251 | ||
3252 | if (select_mode == NULL) | |
3253 | { | |
112e8700 | 3254 | if (interp_ui_out (top_level_interpreter ())->is_mi_like_p ()) |
f8eba3c6 TT |
3255 | select_mode = multiple_symbols_all; |
3256 | else | |
3257 | select_mode = multiple_symbols_select_mode (); | |
3258 | } | |
3259 | ||
3260 | if (select_mode == multiple_symbols_all) | |
3261 | { | |
3262 | if (filter != NULL) | |
3263 | { | |
f73c6ece | 3264 | filters.push_back (filter); |
40e084e1 | 3265 | filter_results (state, &result, filters); |
f8eba3c6 TT |
3266 | } |
3267 | else | |
40e084e1 | 3268 | convert_results_to_lsals (state, &result); |
f8eba3c6 TT |
3269 | } |
3270 | else | |
40e084e1 | 3271 | decode_line_2 (state, &result, select_mode); |
f8eba3c6 TT |
3272 | |
3273 | do_cleanups (cleanups); | |
3274 | } | |
3275 | ||
39cf75f7 DE |
3276 | /* See linespec.h. */ |
3277 | ||
6c5b2ebe | 3278 | std::vector<symtab_and_line> |
f00aae0f | 3279 | decode_line_1 (const struct event_location *location, int flags, |
c2f4122d | 3280 | struct program_space *search_pspace, |
f8eba3c6 TT |
3281 | struct symtab *default_symtab, |
3282 | int default_line) | |
3283 | { | |
40e084e1 | 3284 | linespec_parser parser; |
f8eba3c6 TT |
3285 | struct cleanup *cleanups; |
3286 | ||
c2f4122d PA |
3287 | linespec_parser_new (&parser, flags, current_language, |
3288 | search_pspace, default_symtab, | |
40e084e1 KS |
3289 | default_line, NULL); |
3290 | cleanups = make_cleanup (linespec_parser_delete, &parser); | |
5ed8105e PA |
3291 | |
3292 | scoped_restore_current_program_space restore_pspace; | |
f8eba3c6 | 3293 | |
6c5b2ebe PA |
3294 | std::vector<symtab_and_line> result = event_location_to_sals (&parser, |
3295 | location); | |
40e084e1 | 3296 | |
f8eba3c6 TT |
3297 | do_cleanups (cleanups); |
3298 | return result; | |
3299 | } | |
3300 | ||
39cf75f7 DE |
3301 | /* See linespec.h. */ |
3302 | ||
6c5b2ebe | 3303 | std::vector<symtab_and_line> |
f2fc3015 | 3304 | decode_line_with_current_source (const char *string, int flags) |
39cf75f7 | 3305 | { |
39cf75f7 DE |
3306 | if (string == 0) |
3307 | error (_("Empty line specification.")); | |
3308 | ||
3309 | /* We use whatever is set as the current source line. We do not try | |
3310 | and get a default source symtab+line or it will recursively call us! */ | |
6c5b2ebe | 3311 | symtab_and_line cursal = get_current_source_symtab_and_line (); |
39cf75f7 | 3312 | |
ffc2605c TT |
3313 | event_location_up location = string_to_event_location (&string, |
3314 | current_language); | |
6c5b2ebe PA |
3315 | std::vector<symtab_and_line> sals |
3316 | = decode_line_1 (location.get (), flags, NULL, cursal.symtab, cursal.line); | |
39cf75f7 DE |
3317 | |
3318 | if (*string) | |
3319 | error (_("Junk at end of line specification: %s"), string); | |
f00aae0f | 3320 | |
39cf75f7 DE |
3321 | return sals; |
3322 | } | |
3323 | ||
3324 | /* See linespec.h. */ | |
3325 | ||
6c5b2ebe | 3326 | std::vector<symtab_and_line> |
f2fc3015 | 3327 | decode_line_with_last_displayed (const char *string, int flags) |
39cf75f7 | 3328 | { |
39cf75f7 DE |
3329 | if (string == 0) |
3330 | error (_("Empty line specification.")); | |
3331 | ||
ffc2605c TT |
3332 | event_location_up location = string_to_event_location (&string, |
3333 | current_language); | |
6c5b2ebe PA |
3334 | std::vector<symtab_and_line> sals |
3335 | = (last_displayed_sal_is_valid () | |
3336 | ? decode_line_1 (location.get (), flags, NULL, | |
3337 | get_last_displayed_symtab (), | |
3338 | get_last_displayed_line ()) | |
3339 | : decode_line_1 (location.get (), flags, NULL, | |
3340 | (struct symtab *) NULL, 0)); | |
39cf75f7 DE |
3341 | |
3342 | if (*string) | |
3343 | error (_("Junk at end of line specification: %s"), string); | |
f00aae0f | 3344 | |
39cf75f7 DE |
3345 | return sals; |
3346 | } | |
3347 | ||
f8eba3c6 TT |
3348 | \f |
3349 | ||
3350 | /* First, some functions to initialize stuff at the beggining of the | |
3351 | function. */ | |
3352 | ||
3353 | static void | |
3354 | initialize_defaults (struct symtab **default_symtab, int *default_line) | |
3355 | { | |
3356 | if (*default_symtab == 0) | |
3357 | { | |
3358 | /* Use whatever we have for the default source line. We don't use | |
3359 | get_current_or_default_symtab_and_line as it can recurse and call | |
3360 | us back! */ | |
3361 | struct symtab_and_line cursal = | |
3362 | get_current_source_symtab_and_line (); | |
3363 | ||
3364 | *default_symtab = cursal.symtab; | |
3365 | *default_line = cursal.line; | |
3366 | } | |
3367 | } | |
3368 | ||
3369 | \f | |
3370 | ||
40e084e1 KS |
3371 | /* Evaluate the expression pointed to by EXP_PTR into a CORE_ADDR, |
3372 | advancing EXP_PTR past any parsed text. */ | |
f8eba3c6 | 3373 | |
a06efdd6 | 3374 | CORE_ADDR |
bbc13ae3 | 3375 | linespec_expression_to_pc (const char **exp_ptr) |
f8eba3c6 | 3376 | { |
f8eba3c6 TT |
3377 | if (current_program_space->executing_startup) |
3378 | /* The error message doesn't really matter, because this case | |
3379 | should only hit during breakpoint reset. */ | |
3380 | throw_error (NOT_FOUND_ERROR, _("cannot evaluate expressions while " | |
3381 | "program space is in startup")); | |
3382 | ||
40e084e1 KS |
3383 | (*exp_ptr)++; |
3384 | return value_as_address (parse_to_comma_and_eval (exp_ptr)); | |
0960f083 DC |
3385 | } |
3386 | ||
3387 | \f | |
3388 | ||
d2630e69 AF |
3389 | /* Here's where we recognise an Objective-C Selector. An Objective C |
3390 | selector may be implemented by more than one class, therefore it | |
3391 | may represent more than one method/function. This gives us a | |
3392 | situation somewhat analogous to C++ overloading. If there's more | |
3393 | than one method that could represent the selector, then use some of | |
3394 | the existing C++ code to let the user choose one. */ | |
3395 | ||
6c5b2ebe | 3396 | static std::vector<symtab_and_line> |
f00aae0f | 3397 | decode_objc (struct linespec_state *self, linespec_p ls, const char *arg) |
d2630e69 | 3398 | { |
f8eba3c6 | 3399 | struct collect_info info; |
9b2f8581 | 3400 | std::vector<const char *> symbol_names; |
d7561cbb | 3401 | const char *new_argptr; |
f8eba3c6 TT |
3402 | |
3403 | info.state = self; | |
40e084e1 | 3404 | info.file_symtabs = NULL; |
ec94af83 | 3405 | VEC_safe_push (symtab_ptr, info.file_symtabs, NULL); |
9b2f8581 TT |
3406 | struct cleanup *cleanup = make_cleanup (VEC_cleanup (symtab_ptr), |
3407 | &info.file_symtabs); | |
40e084e1 KS |
3408 | info.result.symbols = NULL; |
3409 | info.result.minimal_symbols = NULL; | |
f8eba3c6 | 3410 | |
f00aae0f | 3411 | new_argptr = find_imps (arg, &symbol_names); |
9b2f8581 | 3412 | if (symbol_names.empty ()) |
f8eba3c6 TT |
3413 | { |
3414 | do_cleanups (cleanup); | |
6c5b2ebe | 3415 | return {}; |
f8eba3c6 | 3416 | } |
d2630e69 | 3417 | |
56d87ef7 PA |
3418 | add_all_symbol_names_from_pspace (&info, NULL, symbol_names, |
3419 | FUNCTIONS_DOMAIN); | |
d2630e69 | 3420 | |
6c5b2ebe | 3421 | std::vector<symtab_and_line> values; |
40e084e1 | 3422 | if (!VEC_empty (symbolp, info.result.symbols) |
f60e2d5c | 3423 | || !VEC_empty (bound_minimal_symbol_d, info.result.minimal_symbols)) |
d2630e69 | 3424 | { |
f8eba3c6 | 3425 | char *saved_arg; |
d2630e69 | 3426 | |
224c3ddb | 3427 | saved_arg = (char *) alloca (new_argptr - arg + 1); |
f00aae0f KS |
3428 | memcpy (saved_arg, arg, new_argptr - arg); |
3429 | saved_arg[new_argptr - arg] = '\0'; | |
d2630e69 | 3430 | |
67994074 | 3431 | ls->explicit_loc.function_name = xstrdup (saved_arg); |
40e084e1 KS |
3432 | ls->function_symbols = info.result.symbols; |
3433 | ls->minimal_symbols = info.result.minimal_symbols; | |
3434 | values = convert_linespec_to_sals (self, ls); | |
3435 | ||
f8eba3c6 | 3436 | if (self->canonical) |
d2630e69 | 3437 | { |
f2fc3015 TT |
3438 | std::string holder; |
3439 | const char *str; | |
f00aae0f | 3440 | |
f8eba3c6 | 3441 | self->canonical->pre_expanded = 1; |
f00aae0f | 3442 | |
67994074 | 3443 | if (ls->explicit_loc.source_filename) |
f00aae0f | 3444 | { |
f2fc3015 TT |
3445 | holder = string_printf ("%s:%s", |
3446 | ls->explicit_loc.source_filename, | |
3447 | saved_arg); | |
3448 | str = holder.c_str (); | |
f00aae0f | 3449 | } |
f8eba3c6 | 3450 | else |
f2fc3015 | 3451 | str = saved_arg; |
f00aae0f | 3452 | |
a20714ff PA |
3453 | self->canonical->location |
3454 | = new_linespec_location (&str, symbol_name_match_type::FULL); | |
d2630e69 | 3455 | } |
d2630e69 AF |
3456 | } |
3457 | ||
f8eba3c6 | 3458 | do_cleanups (cleanup); |
c00f8484 | 3459 | |
40e084e1 | 3460 | return values; |
f8eba3c6 | 3461 | } |
c00f8484 | 3462 | |
ffdbe864 YQ |
3463 | namespace { |
3464 | ||
14bc53a8 PA |
3465 | /* A function object that serves as symbol_found_callback_ftype |
3466 | callback for iterate_over_symbols. This is used by | |
3467 | lookup_prefix_sym to collect type symbols. */ | |
3468 | class decode_compound_collector | |
f8eba3c6 | 3469 | { |
14bc53a8 | 3470 | public: |
fc4007c9 | 3471 | decode_compound_collector () |
14bc53a8 | 3472 | : m_symbols (NULL) |
fc4007c9 | 3473 | { |
14bc53a8 PA |
3474 | m_unique_syms = htab_create_alloc (1, htab_hash_pointer, |
3475 | htab_eq_pointer, NULL, | |
3476 | xcalloc, xfree); | |
fc4007c9 TT |
3477 | } |
3478 | ||
3479 | ~decode_compound_collector () | |
3480 | { | |
14bc53a8 PA |
3481 | if (m_unique_syms != NULL) |
3482 | htab_delete (m_unique_syms); | |
fc4007c9 | 3483 | } |
3a93a0c2 | 3484 | |
14bc53a8 PA |
3485 | /* Releases ownership of the collected symbols and returns them. */ |
3486 | VEC (symbolp) *release_symbols () | |
3487 | { | |
3488 | VEC (symbolp) *res = m_symbols; | |
3489 | m_symbols = NULL; | |
3490 | return res; | |
3491 | } | |
c00f8484 | 3492 | |
14bc53a8 PA |
3493 | /* Callable as a symbol_found_callback_ftype callback. */ |
3494 | bool operator () (symbol *sym); | |
3495 | ||
3496 | private: | |
3497 | /* A hash table of all symbols we found. We use this to avoid | |
3498 | adding any symbol more than once. */ | |
3499 | htab_t m_unique_syms; | |
3500 | ||
3501 | /* The result vector. */ | |
3502 | VEC (symbolp) *m_symbols; | |
3503 | }; | |
3504 | ||
3505 | bool | |
3506 | decode_compound_collector::operator () (symbol *sym) | |
f8eba3c6 | 3507 | { |
f8eba3c6 TT |
3508 | void **slot; |
3509 | struct type *t; | |
614b3b14 | 3510 | |
f8eba3c6 | 3511 | if (SYMBOL_CLASS (sym) != LOC_TYPEDEF) |
14bc53a8 | 3512 | return true; /* Continue iterating. */ |
f8eba3c6 TT |
3513 | |
3514 | t = SYMBOL_TYPE (sym); | |
f168693b | 3515 | t = check_typedef (t); |
f8eba3c6 TT |
3516 | if (TYPE_CODE (t) != TYPE_CODE_STRUCT |
3517 | && TYPE_CODE (t) != TYPE_CODE_UNION | |
3518 | && TYPE_CODE (t) != TYPE_CODE_NAMESPACE) | |
14bc53a8 | 3519 | return true; /* Continue iterating. */ |
614b3b14 | 3520 | |
14bc53a8 | 3521 | slot = htab_find_slot (m_unique_syms, sym, INSERT); |
f8eba3c6 TT |
3522 | if (!*slot) |
3523 | { | |
3524 | *slot = sym; | |
14bc53a8 | 3525 | VEC_safe_push (symbolp, m_symbols, sym); |
f8eba3c6 TT |
3526 | } |
3527 | ||
14bc53a8 | 3528 | return true; /* Continue iterating. */ |
f8eba3c6 | 3529 | } |
93d91629 | 3530 | |
ffdbe864 YQ |
3531 | } // namespace |
3532 | ||
40e084e1 | 3533 | /* Return any symbols corresponding to CLASS_NAME in FILE_SYMTABS. */ |
93d91629 | 3534 | |
f8eba3c6 | 3535 | static VEC (symbolp) * |
ec94af83 | 3536 | lookup_prefix_sym (struct linespec_state *state, VEC (symtab_ptr) *file_symtabs, |
40e084e1 | 3537 | const char *class_name) |
93d91629 | 3538 | { |
f8eba3c6 TT |
3539 | int ix; |
3540 | struct symtab *elt; | |
14bc53a8 | 3541 | decode_compound_collector collector; |
e0881a8e | 3542 | |
b5ec771e PA |
3543 | lookup_name_info lookup_name (class_name, symbol_name_match_type::FULL); |
3544 | ||
ec94af83 | 3545 | for (ix = 0; VEC_iterate (symtab_ptr, file_symtabs, ix, elt); ++ix) |
f8eba3c6 TT |
3546 | { |
3547 | if (elt == NULL) | |
3548 | { | |
b5ec771e | 3549 | iterate_over_all_matching_symtabs (state, lookup_name, |
56d87ef7 PA |
3550 | STRUCT_DOMAIN, ALL_DOMAIN, |
3551 | NULL, false, collector); | |
b5ec771e | 3552 | iterate_over_all_matching_symtabs (state, lookup_name, |
56d87ef7 PA |
3553 | VAR_DOMAIN, ALL_DOMAIN, |
3554 | NULL, false, collector); | |
f8eba3c6 TT |
3555 | } |
3556 | else | |
3557 | { | |
f8eba3c6 TT |
3558 | /* Program spaces that are executing startup should have |
3559 | been filtered out earlier. */ | |
3560 | gdb_assert (!SYMTAB_PSPACE (elt)->executing_startup); | |
3561 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
b5ec771e PA |
3562 | iterate_over_file_blocks (elt, lookup_name, STRUCT_DOMAIN, collector); |
3563 | iterate_over_file_blocks (elt, lookup_name, VAR_DOMAIN, collector); | |
1e5a1abc KS |
3564 | } |
3565 | } | |
3566 | ||
14bc53a8 | 3567 | return collector.release_symbols (); |
93d91629 DC |
3568 | } |
3569 | ||
40e084e1 KS |
3570 | /* A qsort comparison function for symbols. The resulting order does |
3571 | not actually matter; we just need to be able to sort them so that | |
3572 | symbols with the same program space end up next to each other. */ | |
3573 | ||
3574 | static int | |
3575 | compare_symbols (const void *a, const void *b) | |
3576 | { | |
9a3c8263 SM |
3577 | struct symbol * const *sa = (struct symbol * const*) a; |
3578 | struct symbol * const *sb = (struct symbol * const*) b; | |
40e084e1 KS |
3579 | uintptr_t uia, uib; |
3580 | ||
08be3fe3 DE |
3581 | uia = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (*sa)); |
3582 | uib = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (*sb)); | |
40e084e1 KS |
3583 | |
3584 | if (uia < uib) | |
3585 | return -1; | |
3586 | if (uia > uib) | |
3587 | return 1; | |
3588 | ||
3589 | uia = (uintptr_t) *sa; | |
3590 | uib = (uintptr_t) *sb; | |
3591 | ||
3592 | if (uia < uib) | |
3593 | return -1; | |
3594 | if (uia > uib) | |
3595 | return 1; | |
3596 | ||
3597 | return 0; | |
3598 | } | |
3599 | ||
3600 | /* Like compare_symbols but for minimal symbols. */ | |
4224873a | 3601 | |
f8eba3c6 | 3602 | static int |
40e084e1 | 3603 | compare_msymbols (const void *a, const void *b) |
4224873a | 3604 | { |
9a3c8263 SM |
3605 | const struct bound_minimal_symbol *sa |
3606 | = (const struct bound_minimal_symbol *) a; | |
3607 | const struct bound_minimal_symbol *sb | |
3608 | = (const struct bound_minimal_symbol *) b; | |
f8eba3c6 TT |
3609 | uintptr_t uia, uib; |
3610 | ||
001822aa TT |
3611 | uia = (uintptr_t) sa->objfile->pspace; |
3612 | uib = (uintptr_t) sa->objfile->pspace; | |
f8eba3c6 TT |
3613 | |
3614 | if (uia < uib) | |
3615 | return -1; | |
3616 | if (uia > uib) | |
3617 | return 1; | |
3618 | ||
001822aa TT |
3619 | uia = (uintptr_t) sa->minsym; |
3620 | uib = (uintptr_t) sb->minsym; | |
f8eba3c6 TT |
3621 | |
3622 | if (uia < uib) | |
3623 | return -1; | |
3624 | if (uia > uib) | |
3625 | return 1; | |
3626 | ||
3627 | return 0; | |
3628 | } | |
3629 | ||
3630 | /* Look for all the matching instances of each symbol in NAMES. Only | |
3631 | instances from PSPACE are considered; other program spaces are | |
3632 | handled by our caller. If PSPACE is NULL, then all program spaces | |
3633 | are considered. Results are stored into INFO. */ | |
3634 | ||
3635 | static void | |
3636 | add_all_symbol_names_from_pspace (struct collect_info *info, | |
3637 | struct program_space *pspace, | |
9b2f8581 | 3638 | const std::vector<const char *> &names, |
56d87ef7 | 3639 | enum search_domain search_domain) |
f8eba3c6 | 3640 | { |
9b2f8581 | 3641 | for (const char *iter : names) |
b5ec771e PA |
3642 | add_matching_symbols_to_info (iter, |
3643 | symbol_name_match_type::FULL, | |
56d87ef7 | 3644 | search_domain, info, pspace); |
f8eba3c6 TT |
3645 | } |
3646 | ||
3647 | static void | |
3648 | find_superclass_methods (VEC (typep) *superclasses, | |
b5ec771e | 3649 | const char *name, enum language name_lang, |
9b2f8581 | 3650 | std::vector<const char *> *result_names) |
f8eba3c6 | 3651 | { |
9b2f8581 | 3652 | size_t old_len = result_names->size (); |
f8eba3c6 TT |
3653 | VEC (typep) *iter_classes; |
3654 | struct cleanup *cleanup = make_cleanup (null_cleanup, NULL); | |
3655 | ||
3656 | iter_classes = superclasses; | |
3657 | while (1) | |
3658 | { | |
3659 | VEC (typep) *new_supers = NULL; | |
3660 | int ix; | |
3661 | struct type *t; | |
3662 | ||
3663 | make_cleanup (VEC_cleanup (typep), &new_supers); | |
3664 | for (ix = 0; VEC_iterate (typep, iter_classes, ix, t); ++ix) | |
b5ec771e | 3665 | find_methods (t, name_lang, name, result_names, &new_supers); |
f8eba3c6 | 3666 | |
9b2f8581 | 3667 | if (result_names->size () != old_len || VEC_empty (typep, new_supers)) |
f8eba3c6 | 3668 | break; |
4224873a | 3669 | |
f8eba3c6 TT |
3670 | iter_classes = new_supers; |
3671 | } | |
4224873a | 3672 | |
f8eba3c6 TT |
3673 | do_cleanups (cleanup); |
3674 | } | |
3675 | ||
40e084e1 KS |
3676 | /* This finds the method METHOD_NAME in the class CLASS_NAME whose type is |
3677 | given by one of the symbols in SYM_CLASSES. Matches are returned | |
3678 | in SYMBOLS (for debug symbols) and MINSYMS (for minimal symbols). */ | |
f8eba3c6 | 3679 | |
40e084e1 | 3680 | static void |
ec94af83 | 3681 | find_method (struct linespec_state *self, VEC (symtab_ptr) *file_symtabs, |
40e084e1 KS |
3682 | const char *class_name, const char *method_name, |
3683 | VEC (symbolp) *sym_classes, VEC (symbolp) **symbols, | |
f60e2d5c | 3684 | VEC (bound_minimal_symbol_d) **minsyms) |
f8eba3c6 | 3685 | { |
f8eba3c6 TT |
3686 | struct symbol *sym; |
3687 | struct cleanup *cleanup = make_cleanup (null_cleanup, NULL); | |
3688 | int ix; | |
9b2f8581 | 3689 | size_t last_result_len; |
f8eba3c6 | 3690 | VEC (typep) *superclass_vec; |
9b2f8581 | 3691 | std::vector<const char *> result_names; |
f8eba3c6 | 3692 | struct collect_info info; |
4224873a | 3693 | |
f8eba3c6 TT |
3694 | /* Sort symbols so that symbols with the same program space are next |
3695 | to each other. */ | |
3696 | qsort (VEC_address (symbolp, sym_classes), | |
3697 | VEC_length (symbolp, sym_classes), | |
3698 | sizeof (symbolp), | |
3699 | compare_symbols); | |
3700 | ||
3701 | info.state = self; | |
40e084e1 KS |
3702 | info.file_symtabs = file_symtabs; |
3703 | info.result.symbols = NULL; | |
3704 | info.result.minimal_symbols = NULL; | |
f8eba3c6 TT |
3705 | |
3706 | /* Iterate over all the types, looking for the names of existing | |
40e084e1 | 3707 | methods matching METHOD_NAME. If we cannot find a direct method in a |
f8eba3c6 TT |
3708 | given program space, then we consider inherited methods; this is |
3709 | not ideal (ideal would be to respect C++ hiding rules), but it | |
3710 | seems good enough and is what GDB has historically done. We only | |
3711 | need to collect the names because later we find all symbols with | |
3712 | those names. This loop is written in a somewhat funny way | |
3713 | because we collect data across the program space before deciding | |
3714 | what to do. */ | |
3715 | superclass_vec = NULL; | |
3716 | make_cleanup (VEC_cleanup (typep), &superclass_vec); | |
f8eba3c6 TT |
3717 | last_result_len = 0; |
3718 | for (ix = 0; VEC_iterate (symbolp, sym_classes, ix, sym); ++ix) | |
3719 | { | |
3720 | struct type *t; | |
3721 | struct program_space *pspace; | |
3722 | ||
3723 | /* Program spaces that are executing startup should have | |
3724 | been filtered out earlier. */ | |
08be3fe3 DE |
3725 | pspace = SYMTAB_PSPACE (symbol_symtab (sym)); |
3726 | gdb_assert (!pspace->executing_startup); | |
f8eba3c6 TT |
3727 | set_current_program_space (pspace); |
3728 | t = check_typedef (SYMBOL_TYPE (sym)); | |
b5ec771e PA |
3729 | find_methods (t, SYMBOL_LANGUAGE (sym), |
3730 | method_name, &result_names, &superclass_vec); | |
f8eba3c6 TT |
3731 | |
3732 | /* Handle all items from a single program space at once; and be | |
3733 | sure not to miss the last batch. */ | |
3734 | if (ix == VEC_length (symbolp, sym_classes) - 1 | |
3735 | || (pspace | |
08be3fe3 | 3736 | != SYMTAB_PSPACE (symbol_symtab (VEC_index (symbolp, sym_classes, |
f8eba3c6 | 3737 | ix + 1))))) |
4224873a | 3738 | { |
f8eba3c6 TT |
3739 | /* If we did not find a direct implementation anywhere in |
3740 | this program space, consider superclasses. */ | |
9b2f8581 | 3741 | if (result_names.size () == last_result_len) |
40e084e1 | 3742 | find_superclass_methods (superclass_vec, method_name, |
b5ec771e | 3743 | SYMBOL_LANGUAGE (sym), &result_names); |
f8eba3c6 TT |
3744 | |
3745 | /* We have a list of candidate symbol names, so now we | |
3746 | iterate over the symbol tables looking for all | |
3747 | matches in this pspace. */ | |
56d87ef7 PA |
3748 | add_all_symbol_names_from_pspace (&info, pspace, result_names, |
3749 | FUNCTIONS_DOMAIN); | |
f8eba3c6 TT |
3750 | |
3751 | VEC_truncate (typep, superclass_vec, 0); | |
9b2f8581 | 3752 | last_result_len = result_names.size (); |
4224873a | 3753 | } |
4224873a | 3754 | } |
f8eba3c6 | 3755 | |
40e084e1 | 3756 | if (!VEC_empty (symbolp, info.result.symbols) |
f60e2d5c | 3757 | || !VEC_empty (bound_minimal_symbol_d, info.result.minimal_symbols)) |
4224873a | 3758 | { |
40e084e1 KS |
3759 | *symbols = info.result.symbols; |
3760 | *minsyms = info.result.minimal_symbols; | |
f8eba3c6 | 3761 | do_cleanups (cleanup); |
40e084e1 | 3762 | return; |
4224873a | 3763 | } |
f8eba3c6 | 3764 | |
40e084e1 KS |
3765 | /* Throw an NOT_FOUND_ERROR. This will be caught by the caller |
3766 | and other attempts to locate the symbol will be made. */ | |
3767 | throw_error (NOT_FOUND_ERROR, _("see caller, this text doesn't matter")); | |
f8eba3c6 TT |
3768 | } |
3769 | ||
3770 | \f | |
3771 | ||
ffdbe864 YQ |
3772 | namespace { |
3773 | ||
14bc53a8 PA |
3774 | /* This function object is a callback for iterate_over_symtabs, used |
3775 | when collecting all matching symtabs. */ | |
f8eba3c6 | 3776 | |
14bc53a8 | 3777 | class symtab_collector |
f8eba3c6 | 3778 | { |
14bc53a8 | 3779 | public: |
fc4007c9 | 3780 | symtab_collector () |
fc4007c9 | 3781 | { |
14bc53a8 PA |
3782 | m_symtabs = NULL; |
3783 | m_symtab_table = htab_create (1, htab_hash_pointer, htab_eq_pointer, | |
3784 | NULL); | |
fc4007c9 TT |
3785 | } |
3786 | ||
3787 | ~symtab_collector () | |
3788 | { | |
14bc53a8 PA |
3789 | if (m_symtab_table != NULL) |
3790 | htab_delete (m_symtab_table); | |
fc4007c9 | 3791 | } |
f8eba3c6 | 3792 | |
14bc53a8 PA |
3793 | /* Callable as a symbol_found_callback_ftype callback. */ |
3794 | bool operator () (symtab *sym); | |
f8eba3c6 | 3795 | |
14bc53a8 PA |
3796 | /* Releases ownership of the collected symtabs and returns them. */ |
3797 | VEC (symtab_ptr) *release_symtabs () | |
3798 | { | |
3799 | VEC (symtab_ptr) *res = m_symtabs; | |
3800 | m_symtabs = NULL; | |
3801 | return res; | |
3802 | } | |
3803 | ||
3804 | private: | |
3805 | /* The result vector of symtabs. */ | |
3806 | VEC (symtab_ptr) *m_symtabs; | |
3807 | ||
3808 | /* This is used to ensure the symtabs are unique. */ | |
3809 | htab_t m_symtab_table; | |
3810 | }; | |
3811 | ||
3812 | bool | |
3813 | symtab_collector::operator () (struct symtab *symtab) | |
f8eba3c6 | 3814 | { |
f8eba3c6 TT |
3815 | void **slot; |
3816 | ||
14bc53a8 | 3817 | slot = htab_find_slot (m_symtab_table, symtab, INSERT); |
f8eba3c6 | 3818 | if (!*slot) |
4224873a | 3819 | { |
f8eba3c6 | 3820 | *slot = symtab; |
14bc53a8 | 3821 | VEC_safe_push (symtab_ptr, m_symtabs, symtab); |
4224873a | 3822 | } |
f8eba3c6 | 3823 | |
14bc53a8 | 3824 | return false; |
4224873a DC |
3825 | } |
3826 | ||
ffdbe864 YQ |
3827 | } // namespace |
3828 | ||
c2f4122d PA |
3829 | /* Given a file name, return a VEC of all matching symtabs. If |
3830 | SEARCH_PSPACE is not NULL, the search is restricted to just that | |
3831 | program space. */ | |
f8eba3c6 | 3832 | |
ec94af83 | 3833 | static VEC (symtab_ptr) * |
c2f4122d PA |
3834 | collect_symtabs_from_filename (const char *file, |
3835 | struct program_space *search_pspace) | |
f8eba3c6 | 3836 | { |
14bc53a8 | 3837 | symtab_collector collector; |
f8eba3c6 TT |
3838 | |
3839 | /* Find that file's data. */ | |
c2f4122d PA |
3840 | if (search_pspace == NULL) |
3841 | { | |
14bc53a8 PA |
3842 | struct program_space *pspace; |
3843 | ||
c2f4122d PA |
3844 | ALL_PSPACES (pspace) |
3845 | { | |
3846 | if (pspace->executing_startup) | |
3847 | continue; | |
f8eba3c6 | 3848 | |
c2f4122d | 3849 | set_current_program_space (pspace); |
14bc53a8 | 3850 | iterate_over_symtabs (file, collector); |
c2f4122d PA |
3851 | } |
3852 | } | |
3853 | else | |
3854 | { | |
3855 | set_current_program_space (search_pspace); | |
14bc53a8 | 3856 | iterate_over_symtabs (file, collector); |
c2f4122d | 3857 | } |
f3c39e76 | 3858 | |
14bc53a8 | 3859 | return collector.release_symtabs (); |
f8eba3c6 TT |
3860 | } |
3861 | ||
c2f4122d PA |
3862 | /* Return all the symtabs associated to the FILENAME. If SEARCH_PSPACE is |
3863 | not NULL, the search is restricted to just that program space. */ | |
f8eba3c6 | 3864 | |
ec94af83 | 3865 | static VEC (symtab_ptr) * |
c2f4122d PA |
3866 | symtabs_from_filename (const char *filename, |
3867 | struct program_space *search_pspace) | |
40e084e1 | 3868 | { |
ec94af83 | 3869 | VEC (symtab_ptr) *result; |
40e084e1 | 3870 | |
c2f4122d | 3871 | result = collect_symtabs_from_filename (filename, search_pspace); |
f8eba3c6 | 3872 | |
ec94af83 | 3873 | if (VEC_empty (symtab_ptr, result)) |
f8eba3c6 | 3874 | { |
40e084e1 KS |
3875 | if (!have_full_symbols () && !have_partial_symbols ()) |
3876 | throw_error (NOT_FOUND_ERROR, | |
3877 | _("No symbol table is loaded. " | |
3878 | "Use the \"file\" command.")); | |
00e52e53 | 3879 | source_file_not_found_error (filename); |
f8eba3c6 TT |
3880 | } |
3881 | ||
40e084e1 | 3882 | return result; |
84fba31b | 3883 | } |
f3c39e76 | 3884 | |
40e084e1 KS |
3885 | /* Look up a function symbol named NAME in symtabs FILE_SYMTABS. Matching |
3886 | debug symbols are returned in SYMBOLS. Matching minimal symbols are | |
3887 | returned in MINSYMS. */ | |
14e91ac5 | 3888 | |
40e084e1 KS |
3889 | static void |
3890 | find_function_symbols (struct linespec_state *state, | |
ec94af83 | 3891 | VEC (symtab_ptr) *file_symtabs, const char *name, |
a20714ff | 3892 | symbol_name_match_type name_match_type, |
40e084e1 | 3893 | VEC (symbolp) **symbols, |
f60e2d5c | 3894 | VEC (bound_minimal_symbol_d) **minsyms) |
14e91ac5 | 3895 | { |
40e084e1 | 3896 | struct collect_info info; |
9b2f8581 | 3897 | std::vector<const char *> symbol_names; |
14e91ac5 | 3898 | |
40e084e1 KS |
3899 | info.state = state; |
3900 | info.result.symbols = NULL; | |
3901 | info.result.minimal_symbols = NULL; | |
3902 | info.file_symtabs = file_symtabs; | |
e0881a8e | 3903 | |
40e084e1 | 3904 | /* Try NAME as an Objective-C selector. */ |
d7561cbb | 3905 | find_imps (name, &symbol_names); |
9b2f8581 | 3906 | if (!symbol_names.empty ()) |
c2f4122d | 3907 | add_all_symbol_names_from_pspace (&info, state->search_pspace, |
56d87ef7 | 3908 | symbol_names, FUNCTIONS_DOMAIN); |
40e084e1 | 3909 | else |
a20714ff | 3910 | add_matching_symbols_to_info (name, name_match_type, FUNCTIONS_DOMAIN, |
b5ec771e | 3911 | &info, state->search_pspace); |
40e084e1 | 3912 | |
40e084e1 KS |
3913 | if (VEC_empty (symbolp, info.result.symbols)) |
3914 | { | |
3915 | VEC_free (symbolp, info.result.symbols); | |
3916 | *symbols = NULL; | |
14e91ac5 DC |
3917 | } |
3918 | else | |
40e084e1 KS |
3919 | *symbols = info.result.symbols; |
3920 | ||
f60e2d5c | 3921 | if (VEC_empty (bound_minimal_symbol_d, info.result.minimal_symbols)) |
14e91ac5 | 3922 | { |
f60e2d5c | 3923 | VEC_free (bound_minimal_symbol_d, info.result.minimal_symbols); |
40e084e1 KS |
3924 | *minsyms = NULL; |
3925 | } | |
3926 | else | |
3927 | *minsyms = info.result.minimal_symbols; | |
3928 | } | |
3929 | ||
3930 | /* Find all symbols named NAME in FILE_SYMTABS, returning debug symbols | |
3931 | in SYMBOLS and minimal symbols in MINSYMS. */ | |
14e91ac5 | 3932 | |
b1ae631a | 3933 | static void |
40e084e1 | 3934 | find_linespec_symbols (struct linespec_state *state, |
ec94af83 | 3935 | VEC (symtab_ptr) *file_symtabs, |
b5ec771e | 3936 | const char *lookup_name, |
a20714ff | 3937 | symbol_name_match_type name_match_type, |
40e084e1 | 3938 | VEC (symbolp) **symbols, |
f60e2d5c | 3939 | VEC (bound_minimal_symbol_d) **minsyms) |
40e084e1 | 3940 | { |
2f408ecb PA |
3941 | std::string canon = cp_canonicalize_string_no_typedefs (lookup_name); |
3942 | if (!canon.empty ()) | |
3943 | lookup_name = canon.c_str (); | |
3944 | ||
cc81e1c6 DE |
3945 | /* It's important to not call expand_symtabs_matching unnecessarily |
3946 | as it can really slow things down (by unnecessarily expanding | |
3947 | potentially 1000s of symtabs, which when debugging some apps can | |
3948 | cost 100s of seconds). Avoid this to some extent by *first* calling | |
3949 | find_function_symbols, and only if that doesn't find anything | |
3950 | *then* call find_method. This handles two important cases: | |
3951 | 1) break (anonymous namespace)::foo | |
3952 | 2) break class::method where method is in class (and not a baseclass) */ | |
14e91ac5 | 3953 | |
cc81e1c6 | 3954 | find_function_symbols (state, file_symtabs, lookup_name, |
a20714ff | 3955 | name_match_type, |
cc81e1c6 | 3956 | symbols, minsyms); |
14e91ac5 | 3957 | |
cc81e1c6 DE |
3958 | /* If we were unable to locate a symbol of the same name, try dividing |
3959 | the name into class and method names and searching the class and its | |
3960 | baseclasses. */ | |
3961 | if (VEC_empty (symbolp, *symbols) | |
f60e2d5c | 3962 | && VEC_empty (bound_minimal_symbol_d, *minsyms)) |
40e084e1 | 3963 | { |
2f408ecb | 3964 | std::string klass, method; |
cc81e1c6 DE |
3965 | const char *last, *p, *scope_op; |
3966 | VEC (symbolp) *classes; | |
14e91ac5 | 3967 | |
cc81e1c6 DE |
3968 | /* See if we can find a scope operator and break this symbol |
3969 | name into namespaces${SCOPE_OPERATOR}class_name and method_name. */ | |
3970 | scope_op = "::"; | |
3971 | p = find_toplevel_string (lookup_name, scope_op); | |
14e91ac5 | 3972 | |
cc81e1c6 DE |
3973 | last = NULL; |
3974 | while (p != NULL) | |
f8eba3c6 | 3975 | { |
cc81e1c6 DE |
3976 | last = p; |
3977 | p = find_toplevel_string (p + strlen (scope_op), scope_op); | |
f8eba3c6 | 3978 | } |
14e91ac5 | 3979 | |
cc81e1c6 DE |
3980 | /* If no scope operator was found, there is nothing more we can do; |
3981 | we already attempted to lookup the entire name as a symbol | |
3982 | and failed. */ | |
3983 | if (last == NULL) | |
2f408ecb | 3984 | return; |
cc81e1c6 DE |
3985 | |
3986 | /* LOOKUP_NAME points to the class name. | |
3987 | LAST points to the method name. */ | |
2f408ecb | 3988 | klass = std::string (lookup_name, last - lookup_name); |
cc81e1c6 DE |
3989 | |
3990 | /* Skip past the scope operator. */ | |
3991 | last += strlen (scope_op); | |
2f408ecb | 3992 | method = last; |
cc81e1c6 DE |
3993 | |
3994 | /* Find a list of classes named KLASS. */ | |
2f408ecb PA |
3995 | classes = lookup_prefix_sym (state, file_symtabs, klass.c_str ()); |
3996 | struct cleanup *old_chain | |
3997 | = make_cleanup (VEC_cleanup (symbolp), &classes); | |
cc81e1c6 DE |
3998 | |
3999 | if (!VEC_empty (symbolp, classes)) | |
4000 | { | |
4001 | /* Now locate a list of suitable methods named METHOD. */ | |
492d29ea | 4002 | TRY |
cc81e1c6 | 4003 | { |
2f408ecb PA |
4004 | find_method (state, file_symtabs, |
4005 | klass.c_str (), method.c_str (), | |
4006 | classes, symbols, minsyms); | |
cc81e1c6 DE |
4007 | } |
4008 | ||
4009 | /* If successful, we're done. If NOT_FOUND_ERROR | |
4010 | was not thrown, rethrow the exception that we did get. */ | |
492d29ea | 4011 | CATCH (except, RETURN_MASK_ERROR) |
7556d4a4 PA |
4012 | { |
4013 | if (except.error != NOT_FOUND_ERROR) | |
4014 | throw_exception (except); | |
4015 | } | |
492d29ea | 4016 | END_CATCH |
cc81e1c6 | 4017 | } |
14e91ac5 | 4018 | |
2f408ecb PA |
4019 | do_cleanups (old_chain); |
4020 | } | |
14e91ac5 DC |
4021 | } |
4022 | ||
a2459270 PA |
4023 | /* Helper for find_label_symbols. Find all labels that match name |
4024 | NAME in BLOCK. Return all labels that match in FUNCTION_SYMBOLS. | |
4025 | Return the actual function symbol in which the label was found in | |
4026 | LABEL_FUNC_RET. If COMPLETION_MODE is true, then NAME is | |
4027 | interpreted as a label name prefix. Otherwise, only a label named | |
4028 | exactly NAME match. */ | |
4029 | ||
4030 | static void | |
4031 | find_label_symbols_in_block (const struct block *block, | |
4032 | const char *name, struct symbol *fn_sym, | |
4033 | bool completion_mode, | |
4034 | VEC (symbolp) **result, | |
4035 | VEC (symbolp) **label_funcs_ret) | |
4036 | { | |
4037 | if (completion_mode) | |
4038 | { | |
4039 | struct block_iterator iter; | |
4040 | struct symbol *sym; | |
4041 | size_t name_len = strlen (name); | |
4042 | ||
4043 | int (*cmp) (const char *, const char *, size_t); | |
4044 | cmp = case_sensitivity == case_sensitive_on ? strncmp : strncasecmp; | |
4045 | ||
4046 | ALL_BLOCK_SYMBOLS (block, iter, sym) | |
4047 | { | |
4048 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), | |
4049 | SYMBOL_DOMAIN (sym), LABEL_DOMAIN) | |
4050 | && cmp (SYMBOL_SEARCH_NAME (sym), name, name_len) == 0) | |
4051 | { | |
4052 | VEC_safe_push (symbolp, *result, sym); | |
4053 | VEC_safe_push (symbolp, *label_funcs_ret, fn_sym); | |
4054 | } | |
4055 | } | |
4056 | } | |
4057 | else | |
4058 | { | |
4059 | struct symbol *sym = lookup_symbol (name, block, LABEL_DOMAIN, 0).symbol; | |
4060 | ||
4061 | if (sym != NULL) | |
4062 | { | |
4063 | VEC_safe_push (symbolp, *result, sym); | |
4064 | VEC_safe_push (symbolp, *label_funcs_ret, fn_sym); | |
4065 | } | |
4066 | } | |
4067 | } | |
4068 | ||
4069 | /* Return all labels that match name NAME in FUNCTION_SYMBOLS. Return | |
4070 | the actual function symbol in which the label was found in | |
4071 | LABEL_FUNC_RET. If COMPLETION_MODE is true, then NAME is | |
4072 | interpreted as a label name prefix. Otherwise, only labels named | |
4073 | exactly NAME match. */ | |
0f5238ed | 4074 | |
40e084e1 KS |
4075 | static VEC (symbolp) * |
4076 | find_label_symbols (struct linespec_state *self, | |
4077 | VEC (symbolp) *function_symbols, | |
a2459270 PA |
4078 | VEC (symbolp) **label_funcs_ret, const char *name, |
4079 | bool completion_mode) | |
0f5238ed | 4080 | { |
f8eba3c6 | 4081 | int ix; |
3977b71f | 4082 | const struct block *block; |
40e084e1 KS |
4083 | struct symbol *fn_sym; |
4084 | VEC (symbolp) *result = NULL; | |
9ef07c8c | 4085 | |
f8eba3c6 | 4086 | if (function_symbols == NULL) |
9ef07c8c | 4087 | { |
f8eba3c6 | 4088 | set_current_program_space (self->program_space); |
4eeaa230 | 4089 | block = get_current_search_block (); |
f8eba3c6 | 4090 | |
9ef07c8c TT |
4091 | for (; |
4092 | block && !BLOCK_FUNCTION (block); | |
4093 | block = BLOCK_SUPERBLOCK (block)) | |
4094 | ; | |
4095 | if (!block) | |
40e084e1 | 4096 | return NULL; |
f8eba3c6 TT |
4097 | fn_sym = BLOCK_FUNCTION (block); |
4098 | ||
a2459270 PA |
4099 | find_label_symbols_in_block (block, name, fn_sym, completion_mode, |
4100 | &result, label_funcs_ret); | |
40e084e1 KS |
4101 | } |
4102 | else | |
4103 | { | |
4104 | for (ix = 0; | |
4105 | VEC_iterate (symbolp, function_symbols, ix, fn_sym); ++ix) | |
f8eba3c6 | 4106 | { |
08be3fe3 | 4107 | set_current_program_space (SYMTAB_PSPACE (symbol_symtab (fn_sym))); |
40e084e1 | 4108 | block = SYMBOL_BLOCK_VALUE (fn_sym); |
40e084e1 | 4109 | |
a2459270 PA |
4110 | find_label_symbols_in_block (block, name, fn_sym, completion_mode, |
4111 | &result, label_funcs_ret); | |
f8eba3c6 | 4112 | } |
40e084e1 | 4113 | } |
f8eba3c6 | 4114 | |
40e084e1 KS |
4115 | return result; |
4116 | } | |
f8eba3c6 | 4117 | |
40e084e1 KS |
4118 | \f |
4119 | ||
4120 | /* A helper for create_sals_line_offset that handles the 'list_mode' case. */ | |
4121 | ||
6c5b2ebe | 4122 | static std::vector<symtab_and_line> |
40e084e1 KS |
4123 | decode_digits_list_mode (struct linespec_state *self, |
4124 | linespec_p ls, | |
40e084e1 KS |
4125 | struct symtab_and_line val) |
4126 | { | |
4127 | int ix; | |
4128 | struct symtab *elt; | |
4129 | ||
4130 | gdb_assert (self->list_mode); | |
4131 | ||
6c5b2ebe PA |
4132 | std::vector<symtab_and_line> values; |
4133 | ||
ec94af83 | 4134 | for (ix = 0; VEC_iterate (symtab_ptr, ls->file_symtabs, ix, elt); |
40e084e1 KS |
4135 | ++ix) |
4136 | { | |
4137 | /* The logic above should ensure this. */ | |
4138 | gdb_assert (elt != NULL); | |
4139 | ||
4140 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
4141 | ||
4142 | /* Simplistic search just for the list command. */ | |
4143 | val.symtab = find_line_symtab (elt, val.line, NULL, NULL); | |
4144 | if (val.symtab == NULL) | |
4145 | val.symtab = elt; | |
4146 | val.pspace = SYMTAB_PSPACE (elt); | |
4147 | val.pc = 0; | |
4148 | val.explicit_line = 1; | |
4149 | ||
6c5b2ebe | 4150 | add_sal_to_sals (self, &values, &val, NULL, 0); |
f8eba3c6 | 4151 | } |
6c5b2ebe PA |
4152 | |
4153 | return values; | |
40e084e1 | 4154 | } |
f8eba3c6 | 4155 | |
40e084e1 KS |
4156 | /* A helper for create_sals_line_offset that iterates over the symtabs, |
4157 | adding lines to the VEC. */ | |
4158 | ||
6c5b2ebe | 4159 | static std::vector<symtab_and_line> |
40e084e1 KS |
4160 | decode_digits_ordinary (struct linespec_state *self, |
4161 | linespec_p ls, | |
4162 | int line, | |
40e084e1 KS |
4163 | struct linetable_entry **best_entry) |
4164 | { | |
4165 | int ix; | |
4166 | struct symtab *elt; | |
f8eba3c6 | 4167 | |
6c5b2ebe | 4168 | std::vector<symtab_and_line> sals; |
ec94af83 | 4169 | for (ix = 0; VEC_iterate (symtab_ptr, ls->file_symtabs, ix, elt); ++ix) |
f8eba3c6 | 4170 | { |
67d89901 | 4171 | std::vector<CORE_ADDR> pcs; |
40e084e1 KS |
4172 | |
4173 | /* The logic above should ensure this. */ | |
4174 | gdb_assert (elt != NULL); | |
f8eba3c6 | 4175 | |
40e084e1 | 4176 | set_current_program_space (SYMTAB_PSPACE (elt)); |
f8eba3c6 | 4177 | |
40e084e1 | 4178 | pcs = find_pcs_for_symtab_line (elt, line, best_entry); |
67d89901 | 4179 | for (CORE_ADDR pc : pcs) |
f8eba3c6 | 4180 | { |
51abb421 | 4181 | symtab_and_line sal; |
40e084e1 KS |
4182 | sal.pspace = SYMTAB_PSPACE (elt); |
4183 | sal.symtab = elt; | |
4184 | sal.line = line; | |
4185 | sal.pc = pc; | |
6c5b2ebe | 4186 | sals.push_back (std::move (sal)); |
f8eba3c6 TT |
4187 | } |
4188 | } | |
6c5b2ebe PA |
4189 | |
4190 | return sals; | |
40e084e1 KS |
4191 | } |
4192 | ||
4193 | \f | |
4194 | ||
4195 | /* Return the line offset represented by VARIABLE. */ | |
4196 | ||
4197 | static struct line_offset | |
4198 | linespec_parse_variable (struct linespec_state *self, const char *variable) | |
4199 | { | |
4200 | int index = 0; | |
4201 | const char *p; | |
4202 | struct line_offset offset = {0, LINE_OFFSET_NONE}; | |
f8eba3c6 | 4203 | |
40e084e1 KS |
4204 | p = (variable[1] == '$') ? variable + 2 : variable + 1; |
4205 | if (*p == '$') | |
4206 | ++p; | |
4207 | while (*p >= '0' && *p <= '9') | |
4208 | ++p; | |
4209 | if (!*p) /* Reached end of token without hitting non-digit. */ | |
f8eba3c6 | 4210 | { |
40e084e1 KS |
4211 | /* We have a value history reference. */ |
4212 | struct value *val_history; | |
f8eba3c6 | 4213 | |
40e084e1 KS |
4214 | sscanf ((variable[1] == '$') ? variable + 2 : variable + 1, "%d", &index); |
4215 | val_history | |
4216 | = access_value_history ((variable[1] == '$') ? -index : index); | |
4217 | if (TYPE_CODE (value_type (val_history)) != TYPE_CODE_INT) | |
4218 | error (_("History values used in line " | |
4219 | "specs must have integer values.")); | |
4220 | offset.offset = value_as_long (val_history); | |
4221 | } | |
4222 | else | |
4223 | { | |
4224 | /* Not all digits -- may be user variable/function or a | |
4225 | convenience variable. */ | |
4226 | LONGEST valx; | |
4227 | struct internalvar *ivar; | |
4228 | ||
4229 | /* Try it as a convenience variable. If it is not a convenience | |
4230 | variable, return and allow normal symbol lookup to occur. */ | |
4231 | ivar = lookup_only_internalvar (variable + 1); | |
4232 | if (ivar == NULL) | |
4233 | /* No internal variable with that name. Mark the offset | |
4234 | as unknown to allow the name to be looked up as a symbol. */ | |
4235 | offset.sign = LINE_OFFSET_UNKNOWN; | |
4236 | else | |
4237 | { | |
4238 | /* We found a valid variable name. If it is not an integer, | |
4239 | throw an error. */ | |
4240 | if (!get_internalvar_integer (ivar, &valx)) | |
4241 | error (_("Convenience variables used in line " | |
4242 | "specs must have integer values.")); | |
4243 | else | |
4244 | offset.offset = valx; | |
4245 | } | |
f8eba3c6 TT |
4246 | } |
4247 | ||
40e084e1 | 4248 | return offset; |
f8eba3c6 | 4249 | } |
40e084e1 | 4250 | \f |
f8eba3c6 | 4251 | |
40e084e1 | 4252 | /* We've found a minimal symbol MSYMBOL in OBJFILE to associate with our |
6e22494e JK |
4253 | linespec; return the SAL in RESULT. This function should return SALs |
4254 | matching those from find_function_start_sal, otherwise false | |
4255 | multiple-locations breakpoints could be placed. */ | |
f8eba3c6 TT |
4256 | |
4257 | static void | |
4258 | minsym_found (struct linespec_state *self, struct objfile *objfile, | |
4259 | struct minimal_symbol *msymbol, | |
6c5b2ebe | 4260 | std::vector<symtab_and_line> *result) |
f8eba3c6 | 4261 | { |
f8eba3c6 TT |
4262 | struct symtab_and_line sal; |
4263 | ||
4024cf2b PA |
4264 | CORE_ADDR func_addr; |
4265 | if (msymbol_is_function (objfile, msymbol, &func_addr)) | |
6e22494e | 4266 | { |
4024cf2b | 4267 | sal = find_pc_sect_line (func_addr, NULL, 0); |
e5f25bc5 PA |
4268 | |
4269 | if (self->funfirstline) | |
6e22494e | 4270 | { |
e5f25bc5 PA |
4271 | if (sal.symtab != NULL |
4272 | && (COMPUNIT_LOCATIONS_VALID (SYMTAB_COMPUNIT (sal.symtab)) | |
4273 | || SYMTAB_LANGUAGE (sal.symtab) == language_asm)) | |
4274 | { | |
4024cf2b PA |
4275 | struct gdbarch *gdbarch = get_objfile_arch (objfile); |
4276 | ||
4277 | sal.pc = func_addr; | |
e5f25bc5 PA |
4278 | if (gdbarch_skip_entrypoint_p (gdbarch)) |
4279 | sal.pc = gdbarch_skip_entrypoint (gdbarch, sal.pc); | |
4280 | } | |
4281 | else | |
4282 | skip_prologue_sal (&sal); | |
6e22494e | 4283 | } |
e5f25bc5 PA |
4284 | } |
4285 | else | |
4286 | { | |
4287 | sal.objfile = objfile; | |
4288 | sal.pc = MSYMBOL_VALUE_ADDRESS (objfile, msymbol); | |
4289 | sal.pspace = current_program_space; | |
6e22494e | 4290 | } |
f8eba3c6 | 4291 | |
6b05c8bd YQ |
4292 | sal.section = MSYMBOL_OBJ_SECTION (objfile, msymbol); |
4293 | ||
07fea4b4 | 4294 | if (maybe_add_address (self->addr_set, objfile->pspace, sal.pc)) |
efd66ac6 | 4295 | add_sal_to_sals (self, result, &sal, MSYMBOL_NATURAL_NAME (msymbol), 0); |
f8eba3c6 TT |
4296 | } |
4297 | ||
39b856a4 TT |
4298 | /* A helper function to classify a minimal_symbol_type according to |
4299 | priority. */ | |
4300 | ||
4301 | static int | |
4302 | classify_mtype (enum minimal_symbol_type t) | |
4303 | { | |
4304 | switch (t) | |
f8eba3c6 | 4305 | { |
39b856a4 TT |
4306 | case mst_file_text: |
4307 | case mst_file_data: | |
4308 | case mst_file_bss: | |
4309 | /* Intermediate priority. */ | |
4310 | return 1; | |
4311 | ||
4312 | case mst_solib_trampoline: | |
4313 | /* Lowest priority. */ | |
4314 | return 2; | |
4315 | ||
4316 | default: | |
4317 | /* Highest priority. */ | |
4318 | return 0; | |
f8eba3c6 | 4319 | } |
39b856a4 TT |
4320 | } |
4321 | ||
41c1efc6 | 4322 | /* Callback for std::sort that sorts symbols by priority. */ |
39b856a4 | 4323 | |
41c1efc6 TT |
4324 | static bool |
4325 | compare_msyms (const bound_minimal_symbol &a, const bound_minimal_symbol &b) | |
39b856a4 | 4326 | { |
41c1efc6 TT |
4327 | enum minimal_symbol_type ta = MSYMBOL_TYPE (a.minsym); |
4328 | enum minimal_symbol_type tb = MSYMBOL_TYPE (b.minsym); | |
39b856a4 | 4329 | |
41c1efc6 | 4330 | return classify_mtype (ta) < classify_mtype (tb); |
39b856a4 TT |
4331 | } |
4332 | ||
41c1efc6 TT |
4333 | /* Helper for search_minsyms_for_name that adds the symbol to the |
4334 | result. */ | |
39b856a4 TT |
4335 | |
4336 | static void | |
41c1efc6 TT |
4337 | add_minsym (struct minimal_symbol *minsym, struct objfile *objfile, |
4338 | struct symtab *symtab, int list_mode, | |
4339 | std::vector<struct bound_minimal_symbol> *msyms) | |
39b856a4 | 4340 | { |
41c1efc6 | 4341 | if (symtab != NULL) |
87186c6a | 4342 | { |
4024cf2b PA |
4343 | /* We're looking for a label for which we don't have debug |
4344 | info. */ | |
4345 | CORE_ADDR func_addr; | |
41c1efc6 | 4346 | if (msymbol_is_function (objfile, minsym, &func_addr)) |
4024cf2b PA |
4347 | { |
4348 | symtab_and_line sal = find_pc_sect_line (func_addr, NULL, 0); | |
87186c6a | 4349 | |
41c1efc6 | 4350 | if (symtab != sal.symtab) |
4024cf2b PA |
4351 | return; |
4352 | } | |
87186c6a MMN |
4353 | } |
4354 | ||
4024cf2b | 4355 | /* Exclude data symbols when looking for breakpoint locations. */ |
41c1efc6 | 4356 | if (!list_mode && !msymbol_is_function (objfile, minsym)) |
4024cf2b | 4357 | return; |
095bcf5e | 4358 | |
41c1efc6 TT |
4359 | struct bound_minimal_symbol mo = {minsym, objfile}; |
4360 | msyms->push_back (mo); | |
f8eba3c6 TT |
4361 | } |
4362 | ||
87186c6a | 4363 | /* Search for minimal symbols called NAME. If SEARCH_PSPACE |
f8eba3c6 | 4364 | is not NULL, the search is restricted to just that program |
87186c6a MMN |
4365 | space. |
4366 | ||
4367 | If SYMTAB is NULL, search all objfiles, otherwise | |
4368 | restrict results to the given SYMTAB. */ | |
f8eba3c6 TT |
4369 | |
4370 | static void | |
b5ec771e PA |
4371 | search_minsyms_for_name (struct collect_info *info, |
4372 | const lookup_name_info &name, | |
87186c6a MMN |
4373 | struct program_space *search_pspace, |
4374 | struct symtab *symtab) | |
f8eba3c6 | 4375 | { |
41c1efc6 | 4376 | std::vector<struct bound_minimal_symbol> minsyms; |
f8eba3c6 | 4377 | |
87186c6a MMN |
4378 | if (symtab == NULL) |
4379 | { | |
4380 | struct program_space *pspace; | |
f8eba3c6 | 4381 | |
87186c6a MMN |
4382 | ALL_PSPACES (pspace) |
4383 | { | |
4384 | struct objfile *objfile; | |
39b856a4 | 4385 | |
87186c6a MMN |
4386 | if (search_pspace != NULL && search_pspace != pspace) |
4387 | continue; | |
4388 | if (pspace->executing_startup) | |
4389 | continue; | |
39b856a4 | 4390 | |
87186c6a MMN |
4391 | set_current_program_space (pspace); |
4392 | ||
4393 | ALL_OBJFILES (objfile) | |
4394 | { | |
41c1efc6 TT |
4395 | iterate_over_minimal_symbols (objfile, name, |
4396 | [&] (struct minimal_symbol *msym) | |
4397 | { | |
4398 | add_minsym (msym, objfile, nullptr, | |
4399 | info->state->list_mode, | |
4400 | &minsyms); | |
4401 | }); | |
87186c6a MMN |
4402 | } |
4403 | } | |
4404 | } | |
4405 | else | |
f8eba3c6 | 4406 | { |
87186c6a MMN |
4407 | if (search_pspace == NULL || SYMTAB_PSPACE (symtab) == search_pspace) |
4408 | { | |
4409 | set_current_program_space (SYMTAB_PSPACE (symtab)); | |
41c1efc6 TT |
4410 | iterate_over_minimal_symbols |
4411 | (SYMTAB_OBJFILE (symtab), name, | |
4412 | [&] (struct minimal_symbol *msym) | |
4413 | { | |
4414 | add_minsym (msym, SYMTAB_OBJFILE (symtab), symtab, | |
4415 | info->state->list_mode, &minsyms); | |
4416 | }); | |
87186c6a | 4417 | } |
9ef07c8c | 4418 | } |
39b856a4 | 4419 | |
41c1efc6 TT |
4420 | if (!minsyms.empty ()) |
4421 | { | |
4422 | int classification; | |
39b856a4 | 4423 | |
41c1efc6 | 4424 | std::sort (minsyms.begin (), minsyms.end (), compare_msyms); |
39b856a4 | 4425 | |
41c1efc6 TT |
4426 | /* Now the minsyms are in classification order. So, we walk |
4427 | over them and process just the minsyms with the same | |
4428 | classification as the very first minsym in the list. */ | |
4429 | classification = classify_mtype (MSYMBOL_TYPE (minsyms[0].minsym)); | |
4430 | ||
4431 | for (const struct bound_minimal_symbol &item : minsyms) | |
4432 | { | |
4433 | if (classify_mtype (MSYMBOL_TYPE (item.minsym)) != classification) | |
4434 | break; | |
4435 | ||
4436 | VEC_safe_push (bound_minimal_symbol_d, | |
4437 | info->result.minimal_symbols, &item); | |
4438 | } | |
4439 | } | |
f8eba3c6 TT |
4440 | } |
4441 | ||
4442 | /* A helper function to add all symbols matching NAME to INFO. If | |
4443 | PSPACE is not NULL, the search is restricted to just that program | |
4444 | space. */ | |
0f5238ed | 4445 | |
f8eba3c6 TT |
4446 | static void |
4447 | add_matching_symbols_to_info (const char *name, | |
b5ec771e | 4448 | symbol_name_match_type name_match_type, |
56d87ef7 | 4449 | enum search_domain search_domain, |
f8eba3c6 TT |
4450 | struct collect_info *info, |
4451 | struct program_space *pspace) | |
4452 | { | |
4453 | int ix; | |
4454 | struct symtab *elt; | |
0f5238ed | 4455 | |
b5ec771e PA |
4456 | lookup_name_info lookup_name (name, name_match_type); |
4457 | ||
ec94af83 | 4458 | for (ix = 0; VEC_iterate (symtab_ptr, info->file_symtabs, ix, elt); ++ix) |
f8eba3c6 | 4459 | { |
f8eba3c6 TT |
4460 | if (elt == NULL) |
4461 | { | |
b5ec771e | 4462 | iterate_over_all_matching_symtabs (info->state, lookup_name, |
56d87ef7 | 4463 | VAR_DOMAIN, search_domain, |
14bc53a8 PA |
4464 | pspace, true, [&] (symbol *sym) |
4465 | { return info->add_symbol (sym); }); | |
b5ec771e | 4466 | search_minsyms_for_name (info, lookup_name, pspace, NULL); |
f8eba3c6 TT |
4467 | } |
4468 | else if (pspace == NULL || pspace == SYMTAB_PSPACE (elt)) | |
4469 | { | |
87186c6a MMN |
4470 | int prev_len = VEC_length (symbolp, info->result.symbols); |
4471 | ||
f8eba3c6 TT |
4472 | /* Program spaces that are executing startup should have |
4473 | been filtered out earlier. */ | |
4474 | gdb_assert (!SYMTAB_PSPACE (elt)->executing_startup); | |
4475 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
b5ec771e PA |
4476 | iterate_over_file_blocks (elt, lookup_name, VAR_DOMAIN, |
4477 | [&] (symbol *sym) | |
14bc53a8 | 4478 | { return info->add_symbol (sym); }); |
87186c6a MMN |
4479 | |
4480 | /* If no new symbols were found in this iteration and this symtab | |
4481 | is in assembler, we might actually be looking for a label for | |
4482 | which we don't have debug info. Check for a minimal symbol in | |
4483 | this case. */ | |
4484 | if (prev_len == VEC_length (symbolp, info->result.symbols) | |
4485 | && elt->language == language_asm) | |
b5ec771e | 4486 | search_minsyms_for_name (info, lookup_name, pspace, elt); |
f8eba3c6 TT |
4487 | } |
4488 | } | |
0f5238ed TT |
4489 | } |
4490 | ||
14e91ac5 DC |
4491 | \f |
4492 | ||
413dad4d DC |
4493 | /* Now come some functions that are called from multiple places within |
4494 | decode_line_1. */ | |
4495 | ||
f8eba3c6 TT |
4496 | static int |
4497 | symbol_to_sal (struct symtab_and_line *result, | |
4498 | int funfirstline, struct symbol *sym) | |
413dad4d | 4499 | { |
413dad4d | 4500 | if (SYMBOL_CLASS (sym) == LOC_BLOCK) |
50641945 | 4501 | { |
f8eba3c6 TT |
4502 | *result = find_function_start_sal (sym, funfirstline); |
4503 | return 1; | |
50641945 | 4504 | } |
413dad4d DC |
4505 | else |
4506 | { | |
62853458 | 4507 | if (SYMBOL_CLASS (sym) == LOC_LABEL && SYMBOL_VALUE_ADDRESS (sym) != 0) |
413dad4d | 4508 | { |
51abb421 | 4509 | *result = {}; |
08be3fe3 | 4510 | result->symtab = symbol_symtab (sym); |
06871ae8 | 4511 | result->symbol = sym; |
f8eba3c6 TT |
4512 | result->line = SYMBOL_LINE (sym); |
4513 | result->pc = SYMBOL_VALUE_ADDRESS (sym); | |
08be3fe3 | 4514 | result->pspace = SYMTAB_PSPACE (result->symtab); |
f8eba3c6 TT |
4515 | result->explicit_pc = 1; |
4516 | return 1; | |
413dad4d | 4517 | } |
62853458 | 4518 | else if (funfirstline) |
dcf9f4ab | 4519 | { |
f8eba3c6 | 4520 | /* Nothing. */ |
dcf9f4ab | 4521 | } |
62853458 TT |
4522 | else if (SYMBOL_LINE (sym) != 0) |
4523 | { | |
4524 | /* We know its line number. */ | |
51abb421 | 4525 | *result = {}; |
08be3fe3 | 4526 | result->symtab = symbol_symtab (sym); |
06871ae8 | 4527 | result->symbol = sym; |
f8eba3c6 | 4528 | result->line = SYMBOL_LINE (sym); |
e5f25bc5 | 4529 | result->pc = SYMBOL_VALUE_ADDRESS (sym); |
08be3fe3 | 4530 | result->pspace = SYMTAB_PSPACE (result->symtab); |
f8eba3c6 | 4531 | return 1; |
62853458 | 4532 | } |
413dad4d | 4533 | } |
f8eba3c6 TT |
4534 | |
4535 | return 0; | |
413dad4d | 4536 | } |
50641945 | 4537 | |
16e802b9 | 4538 | linespec_result::~linespec_result () |
f8eba3c6 | 4539 | { |
6c5b2ebe PA |
4540 | for (linespec_sals &lsal : lsals) |
4541 | xfree (lsal.canonical); | |
7efd8fc2 | 4542 | } |
87f0e720 KS |
4543 | |
4544 | /* Return the quote characters permitted by the linespec parser. */ | |
4545 | ||
4546 | const char * | |
4547 | get_gdb_linespec_parser_quote_characters (void) | |
4548 | { | |
4549 | return linespec_quote_characters; | |
4550 | } |