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50641945 | 1 | /* Parser for linespec for the GNU debugger, GDB. |
05ff989b | 2 | |
61baf725 | 3 | Copyright (C) 1986-2017 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" |
f8eba3c6 | 49 | |
c45ec17c PA |
50 | /* An enumeration of the various things a user might attempt to |
51 | complete for a linespec location. */ | |
52 | ||
53 | enum class linespec_complete_what | |
54 | { | |
55 | /* Nothing, no possible completion. */ | |
56 | NOTHING, | |
57 | ||
58 | /* A function/method name. Due to ambiguity between | |
59 | ||
60 | (gdb) b source[TAB] | |
61 | source_file.c | |
62 | source_function | |
63 | ||
64 | this can also indicate a source filename, iff we haven't seen a | |
65 | separate source filename component, as in "b source.c:function". */ | |
66 | FUNCTION, | |
67 | ||
68 | /* A label symbol. E.g., break file.c:function:LABEL. */ | |
69 | LABEL, | |
70 | ||
71 | /* An expression. E.g., "break foo if EXPR", or "break *EXPR". */ | |
72 | EXPRESSION, | |
73 | ||
74 | /* A linespec keyword ("if"/"thread"/"task"). | |
75 | E.g., "break func threa<tab>". */ | |
76 | KEYWORD, | |
77 | }; | |
78 | ||
f8eba3c6 TT |
79 | typedef struct symbol *symbolp; |
80 | DEF_VEC_P (symbolp); | |
81 | ||
82 | typedef struct type *typep; | |
83 | DEF_VEC_P (typep); | |
84 | ||
85 | /* An address entry is used to ensure that any given location is only | |
86 | added to the result a single time. It holds an address and the | |
87 | program space from which the address came. */ | |
88 | ||
89 | struct address_entry | |
90 | { | |
91 | struct program_space *pspace; | |
92 | CORE_ADDR addr; | |
93 | }; | |
94 | ||
f60e2d5c | 95 | typedef struct bound_minimal_symbol bound_minimal_symbol_d; |
40e084e1 | 96 | |
f60e2d5c | 97 | DEF_VEC_O (bound_minimal_symbol_d); |
40e084e1 | 98 | |
40e084e1 KS |
99 | /* A linespec. Elements of this structure are filled in by a parser |
100 | (either parse_linespec or some other function). The structure is | |
101 | then converted into SALs by convert_linespec_to_sals. */ | |
102 | ||
103 | struct linespec | |
104 | { | |
00e52e53 | 105 | /* An explicit location describing the SaLs. */ |
67994074 | 106 | struct explicit_location explicit_loc; |
40e084e1 KS |
107 | |
108 | /* The list of symtabs to search to which to limit the search. May not | |
00e52e53 KS |
109 | be NULL. If explicit.SOURCE_FILENAME is NULL (no user-specified |
110 | filename), FILE_SYMTABS should contain one single NULL member. This | |
111 | will cause the code to use the default symtab. */ | |
ec94af83 | 112 | VEC (symtab_ptr) *file_symtabs; |
40e084e1 | 113 | |
40e084e1 KS |
114 | /* A list of matching function symbols and minimal symbols. Both lists |
115 | may be NULL if no matching symbols were found. */ | |
116 | VEC (symbolp) *function_symbols; | |
f60e2d5c | 117 | VEC (bound_minimal_symbol_d) *minimal_symbols; |
40e084e1 | 118 | |
40e084e1 KS |
119 | /* A structure of matching label symbols and the corresponding |
120 | function symbol in which the label was found. Both may be NULL | |
121 | or both must be non-NULL. */ | |
122 | struct | |
123 | { | |
124 | VEC (symbolp) *label_symbols; | |
125 | VEC (symbolp) *function_symbols; | |
126 | } labels; | |
40e084e1 KS |
127 | }; |
128 | typedef struct linespec *linespec_p; | |
129 | ||
33f448b1 JK |
130 | /* A canonical linespec represented as a symtab-related string. |
131 | ||
132 | Each entry represents the "SYMTAB:SUFFIX" linespec string. | |
133 | SYMTAB can be converted for example by symtab_to_fullname or | |
134 | symtab_to_filename_for_display as needed. */ | |
135 | ||
136 | struct linespec_canonical_name | |
137 | { | |
138 | /* Remaining text part of the linespec string. */ | |
139 | char *suffix; | |
140 | ||
141 | /* If NULL then SUFFIX is the whole linespec string. */ | |
142 | struct symtab *symtab; | |
143 | }; | |
144 | ||
f8eba3c6 TT |
145 | /* An instance of this is used to keep all state while linespec |
146 | operates. This instance is passed around as a 'this' pointer to | |
147 | the various implementation methods. */ | |
148 | ||
149 | struct linespec_state | |
150 | { | |
40e084e1 KS |
151 | /* The language in use during linespec processing. */ |
152 | const struct language_defn *language; | |
153 | ||
f8eba3c6 TT |
154 | /* The program space as seen when the module was entered. */ |
155 | struct program_space *program_space; | |
156 | ||
c2f4122d PA |
157 | /* If not NULL, the search is restricted to just this program |
158 | space. */ | |
159 | struct program_space *search_pspace; | |
160 | ||
f8eba3c6 TT |
161 | /* The default symtab to use, if no other symtab is specified. */ |
162 | struct symtab *default_symtab; | |
163 | ||
164 | /* The default line to use. */ | |
165 | int default_line; | |
166 | ||
f8eba3c6 TT |
167 | /* The 'funfirstline' value that was passed in to decode_line_1 or |
168 | decode_line_full. */ | |
169 | int funfirstline; | |
170 | ||
171 | /* Nonzero if we are running in 'list' mode; see decode_line_list. */ | |
172 | int list_mode; | |
173 | ||
174 | /* The 'canonical' value passed to decode_line_full, or NULL. */ | |
175 | struct linespec_result *canonical; | |
176 | ||
6c5b2ebe | 177 | /* Canonical strings that mirror the std::vector<symtab_and_line> result. */ |
33f448b1 | 178 | struct linespec_canonical_name *canonical_names; |
f8eba3c6 TT |
179 | |
180 | /* This is a set of address_entry objects which is used to prevent | |
181 | duplicate symbols from being entered into the result. */ | |
182 | htab_t addr_set; | |
00e52e53 KS |
183 | |
184 | /* Are we building a linespec? */ | |
185 | int is_linespec; | |
f8eba3c6 TT |
186 | }; |
187 | ||
188 | /* This is a helper object that is used when collecting symbols into a | |
189 | result. */ | |
190 | ||
191 | struct collect_info | |
192 | { | |
193 | /* The linespec object in use. */ | |
194 | struct linespec_state *state; | |
195 | ||
40e084e1 | 196 | /* A list of symtabs to which to restrict matches. */ |
ec94af83 | 197 | VEC (symtab_ptr) *file_symtabs; |
40e084e1 | 198 | |
f8eba3c6 | 199 | /* The result being accumulated. */ |
40e084e1 KS |
200 | struct |
201 | { | |
202 | VEC (symbolp) *symbols; | |
f60e2d5c | 203 | VEC (bound_minimal_symbol_d) *minimal_symbols; |
40e084e1 | 204 | } result; |
14bc53a8 PA |
205 | |
206 | /* Possibly add a symbol to the results. */ | |
207 | bool add_symbol (symbol *sym); | |
f8eba3c6 | 208 | }; |
50641945 | 209 | |
14bc53a8 PA |
210 | bool |
211 | collect_info::add_symbol (symbol *sym) | |
212 | { | |
213 | /* In list mode, add all matching symbols, regardless of class. | |
214 | This allows the user to type "list a_global_variable". */ | |
215 | if (SYMBOL_CLASS (sym) == LOC_BLOCK || this->state->list_mode) | |
216 | VEC_safe_push (symbolp, this->result.symbols, sym); | |
217 | ||
218 | /* Continue iterating. */ | |
219 | return true; | |
220 | } | |
221 | ||
40e084e1 | 222 | /* Token types */ |
50641945 | 223 | |
40e084e1 KS |
224 | enum ls_token_type |
225 | { | |
226 | /* A keyword */ | |
227 | LSTOKEN_KEYWORD = 0, | |
44fe14ab | 228 | |
40e084e1 KS |
229 | /* A colon "separator" */ |
230 | LSTOKEN_COLON, | |
44fe14ab | 231 | |
40e084e1 KS |
232 | /* A string */ |
233 | LSTOKEN_STRING, | |
0960f083 | 234 | |
40e084e1 KS |
235 | /* A number */ |
236 | LSTOKEN_NUMBER, | |
237 | ||
238 | /* A comma */ | |
239 | LSTOKEN_COMMA, | |
240 | ||
241 | /* EOI (end of input) */ | |
242 | LSTOKEN_EOI, | |
243 | ||
244 | /* Consumed token */ | |
245 | LSTOKEN_CONSUMED | |
246 | }; | |
247 | typedef enum ls_token_type linespec_token_type; | |
248 | ||
c6756f62 PA |
249 | /* List of keywords. This is NULL-terminated so that it can be used |
250 | as enum completer. */ | |
251 | const char * const linespec_keywords[] = { "if", "thread", "task", NULL }; | |
0578b14e | 252 | #define IF_KEYWORD_INDEX 0 |
40e084e1 KS |
253 | |
254 | /* A token of the linespec lexer */ | |
255 | ||
256 | struct ls_token | |
257 | { | |
258 | /* The type of the token */ | |
259 | linespec_token_type type; | |
260 | ||
261 | /* Data for the token */ | |
262 | union | |
263 | { | |
264 | /* A string, given as a stoken */ | |
265 | struct stoken string; | |
266 | ||
267 | /* A keyword */ | |
268 | const char *keyword; | |
269 | } data; | |
270 | }; | |
271 | typedef struct ls_token linespec_token; | |
272 | ||
273 | #define LS_TOKEN_STOKEN(TOK) (TOK).data.string | |
274 | #define LS_TOKEN_KEYWORD(TOK) (TOK).data.keyword | |
275 | ||
276 | /* An instance of the linespec parser. */ | |
277 | ||
278 | struct ls_parser | |
279 | { | |
280 | /* Lexer internal data */ | |
281 | struct | |
282 | { | |
283 | /* Save head of input stream. */ | |
d7561cbb | 284 | const char *saved_arg; |
d2630e69 | 285 | |
40e084e1 | 286 | /* Head of the input stream. */ |
f00aae0f KS |
287 | const char *stream; |
288 | #define PARSER_STREAM(P) ((P)->lexer.stream) | |
614b3b14 | 289 | |
40e084e1 KS |
290 | /* The current token. */ |
291 | linespec_token current; | |
292 | } lexer; | |
93d91629 | 293 | |
40e084e1 KS |
294 | /* Is the entire linespec quote-enclosed? */ |
295 | int is_quote_enclosed; | |
296 | ||
297 | /* The state of the parse. */ | |
298 | struct linespec_state state; | |
299 | #define PARSER_STATE(PPTR) (&(PPTR)->state) | |
4224873a | 300 | |
40e084e1 KS |
301 | /* The result of the parse. */ |
302 | struct linespec result; | |
303 | #define PARSER_RESULT(PPTR) (&(PPTR)->result) | |
c45ec17c PA |
304 | |
305 | /* What the parser believes the current word point should complete | |
306 | to. */ | |
307 | linespec_complete_what complete_what; | |
308 | ||
309 | /* The completion word point. The parser advances this as it skips | |
310 | tokens. At some point the input string will end or parsing will | |
311 | fail, and then we attempt completion at the captured completion | |
312 | word point, interpreting the string at completion_word as | |
313 | COMPLETE_WHAT. */ | |
314 | const char *completion_word; | |
315 | ||
316 | /* If the current token was a quoted string, then this is the | |
317 | quoting character (either " or '). */ | |
318 | int completion_quote_char; | |
319 | ||
320 | /* If the current token was a quoted string, then this points at the | |
321 | end of the quoted string. */ | |
322 | const char *completion_quote_end; | |
323 | ||
324 | /* If parsing for completion, then this points at the completion | |
325 | tracker. Otherwise, this is NULL. */ | |
326 | struct completion_tracker *completion_tracker; | |
40e084e1 KS |
327 | }; |
328 | typedef struct ls_parser linespec_parser; | |
50641945 | 329 | |
00e52e53 KS |
330 | /* A convenience macro for accessing the explicit location result of |
331 | the parser. */ | |
67994074 | 332 | #define PARSER_EXPLICIT(PPTR) (&PARSER_RESULT ((PPTR))->explicit_loc) |
00e52e53 | 333 | |
40e084e1 | 334 | /* Prototypes for local functions. */ |
50641945 | 335 | |
14bc53a8 | 336 | static void iterate_over_file_blocks |
b5ec771e PA |
337 | (struct symtab *symtab, const lookup_name_info &name, |
338 | domain_enum domain, | |
14bc53a8 | 339 | gdb::function_view<symbol_found_callback_ftype> callback); |
4eeaa230 | 340 | |
40e084e1 KS |
341 | static void initialize_defaults (struct symtab **default_symtab, |
342 | int *default_line); | |
50641945 | 343 | |
a06efdd6 | 344 | CORE_ADDR linespec_expression_to_pc (const char **exp_ptr); |
aee8d8ba | 345 | |
6c5b2ebe PA |
346 | static std::vector<symtab_and_line> decode_objc (struct linespec_state *self, |
347 | linespec_p ls, | |
348 | const char *arg); | |
aee8d8ba | 349 | |
c2f4122d PA |
350 | static VEC (symtab_ptr) *symtabs_from_filename (const char *, |
351 | struct program_space *pspace); | |
50641945 | 352 | |
40e084e1 KS |
353 | static VEC (symbolp) *find_label_symbols (struct linespec_state *self, |
354 | VEC (symbolp) *function_symbols, | |
355 | VEC (symbolp) **label_funcs_ret, | |
a2459270 PA |
356 | const char *name, |
357 | bool completion_mode = false); | |
50641945 | 358 | |
b1ae631a | 359 | static void find_linespec_symbols (struct linespec_state *self, |
ec94af83 | 360 | VEC (symtab_ptr) *file_symtabs, |
b1ae631a DE |
361 | const char *name, |
362 | VEC (symbolp) **symbols, | |
f60e2d5c | 363 | VEC (bound_minimal_symbol_d) **minsyms); |
f8eba3c6 | 364 | |
40e084e1 KS |
365 | static struct line_offset |
366 | linespec_parse_variable (struct linespec_state *self, | |
367 | const char *variable); | |
889f28e2 | 368 | |
f8eba3c6 TT |
369 | static int symbol_to_sal (struct symtab_and_line *result, |
370 | int funfirstline, struct symbol *sym); | |
50641945 | 371 | |
f8eba3c6 | 372 | static void add_matching_symbols_to_info (const char *name, |
b5ec771e | 373 | symbol_name_match_type name_match_type, |
f8eba3c6 TT |
374 | struct collect_info *info, |
375 | struct program_space *pspace); | |
f3c39e76 | 376 | |
f8eba3c6 TT |
377 | static void add_all_symbol_names_from_pspace (struct collect_info *info, |
378 | struct program_space *pspace, | |
379 | VEC (const_char_ptr) *names); | |
9ef07c8c | 380 | |
c2f4122d PA |
381 | static VEC (symtab_ptr) * |
382 | collect_symtabs_from_filename (const char *file, | |
383 | struct program_space *pspace); | |
84fba31b | 384 | |
6c5b2ebe PA |
385 | static std::vector<symtab_and_line> decode_digits_ordinary |
386 | (struct linespec_state *self, | |
387 | linespec_p ls, | |
388 | int line, | |
389 | linetable_entry **best_entry); | |
14e91ac5 | 390 | |
6c5b2ebe PA |
391 | static std::vector<symtab_and_line> decode_digits_list_mode |
392 | (struct linespec_state *self, | |
393 | linespec_p ls, | |
394 | struct symtab_and_line val); | |
0f5238ed | 395 | |
40e084e1 KS |
396 | static void minsym_found (struct linespec_state *self, struct objfile *objfile, |
397 | struct minimal_symbol *msymbol, | |
6c5b2ebe | 398 | std::vector<symtab_and_line> *result); |
bca02a8a | 399 | |
40e084e1 | 400 | static int compare_symbols (const void *a, const void *b); |
413dad4d | 401 | |
40e084e1 | 402 | static int compare_msymbols (const void *a, const void *b); |
413dad4d | 403 | |
40e084e1 KS |
404 | /* Permitted quote characters for the parser. This is different from the |
405 | completer's quote characters to allow backward compatibility with the | |
406 | previous parser. */ | |
407 | static const char *const linespec_quote_characters = "\"\'"; | |
f8eba3c6 | 408 | |
40e084e1 KS |
409 | /* Lexer functions. */ |
410 | ||
411 | /* Lex a number from the input in PARSER. This only supports | |
dd3818c8 KS |
412 | decimal numbers. |
413 | ||
d7cbec71 | 414 | Return true if input is decimal numbers. Return false if not. */ |
40e084e1 | 415 | |
d7cbec71 HZ |
416 | static int |
417 | linespec_lexer_lex_number (linespec_parser *parser, linespec_token *tokenp) | |
40e084e1 | 418 | { |
d7cbec71 HZ |
419 | tokenp->type = LSTOKEN_NUMBER; |
420 | LS_TOKEN_STOKEN (*tokenp).length = 0; | |
421 | LS_TOKEN_STOKEN (*tokenp).ptr = PARSER_STREAM (parser); | |
40e084e1 KS |
422 | |
423 | /* Keep any sign at the start of the stream. */ | |
424 | if (*PARSER_STREAM (parser) == '+' || *PARSER_STREAM (parser) == '-') | |
425 | { | |
d7cbec71 | 426 | ++LS_TOKEN_STOKEN (*tokenp).length; |
40e084e1 KS |
427 | ++(PARSER_STREAM (parser)); |
428 | } | |
429 | ||
430 | while (isdigit (*PARSER_STREAM (parser))) | |
431 | { | |
d7cbec71 | 432 | ++LS_TOKEN_STOKEN (*tokenp).length; |
40e084e1 | 433 | ++(PARSER_STREAM (parser)); |
f8eba3c6 | 434 | } |
40e084e1 | 435 | |
dd3818c8 | 436 | /* If the next character in the input buffer is not a space, comma, |
eff9c3e6 | 437 | quote, or colon, this input does not represent a number. */ |
dd3818c8 KS |
438 | if (*PARSER_STREAM (parser) != '\0' |
439 | && !isspace (*PARSER_STREAM (parser)) && *PARSER_STREAM (parser) != ',' | |
eff9c3e6 KS |
440 | && *PARSER_STREAM (parser) != ':' |
441 | && !strchr (linespec_quote_characters, *PARSER_STREAM (parser))) | |
d7cbec71 HZ |
442 | { |
443 | PARSER_STREAM (parser) = LS_TOKEN_STOKEN (*tokenp).ptr; | |
444 | return 0; | |
445 | } | |
446 | ||
447 | return 1; | |
f8eba3c6 TT |
448 | } |
449 | ||
32b40af9 | 450 | /* See linespec.h. */ |
f8eba3c6 | 451 | |
0578b14e | 452 | const char * |
40e084e1 | 453 | linespec_lexer_lex_keyword (const char *p) |
f8eba3c6 | 454 | { |
40e084e1 | 455 | int i; |
f8eba3c6 | 456 | |
40e084e1 KS |
457 | if (p != NULL) |
458 | { | |
c6756f62 | 459 | for (i = 0; linespec_keywords[i] != NULL; ++i) |
40e084e1 KS |
460 | { |
461 | int len = strlen (linespec_keywords[i]); | |
462 | ||
463 | /* If P begins with one of the keywords and the next | |
0578b14e KS |
464 | character is whitespace, we may have found a keyword. |
465 | It is only a keyword if it is not followed by another | |
466 | keyword. */ | |
40e084e1 | 467 | if (strncmp (p, linespec_keywords[i], len) == 0 |
0578b14e KS |
468 | && isspace (p[len])) |
469 | { | |
470 | int j; | |
471 | ||
472 | /* Special case: "if" ALWAYS stops the lexer, since it | |
473 | is not possible to predict what is going to appear in | |
474 | the condition, which can only be parsed after SaLs have | |
475 | been found. */ | |
476 | if (i != IF_KEYWORD_INDEX) | |
477 | { | |
478 | p += len; | |
f1735a53 | 479 | p = skip_spaces (p); |
c6756f62 | 480 | for (j = 0; linespec_keywords[j] != NULL; ++j) |
0578b14e KS |
481 | { |
482 | int nextlen = strlen (linespec_keywords[j]); | |
483 | ||
484 | if (strncmp (p, linespec_keywords[j], nextlen) == 0 | |
485 | && isspace (p[nextlen])) | |
486 | return NULL; | |
487 | } | |
488 | } | |
489 | ||
490 | return linespec_keywords[i]; | |
491 | } | |
40e084e1 KS |
492 | } |
493 | } | |
494 | ||
495 | return NULL; | |
f8eba3c6 TT |
496 | } |
497 | ||
87f0e720 | 498 | /* See description in linespec.h. */ |
f8eba3c6 | 499 | |
87f0e720 | 500 | int |
40e084e1 | 501 | is_ada_operator (const char *string) |
f8eba3c6 | 502 | { |
40e084e1 | 503 | const struct ada_opname_map *mapping; |
f8eba3c6 | 504 | |
40e084e1 KS |
505 | for (mapping = ada_opname_table; |
506 | mapping->encoded != NULL | |
61012eef | 507 | && !startswith (string, mapping->decoded); ++mapping) |
40e084e1 KS |
508 | ; |
509 | ||
510 | return mapping->decoded == NULL ? 0 : strlen (mapping->decoded); | |
f8eba3c6 TT |
511 | } |
512 | ||
40e084e1 KS |
513 | /* Find QUOTE_CHAR in STRING, accounting for the ':' terminal. Return |
514 | the location of QUOTE_CHAR, or NULL if not found. */ | |
f8eba3c6 | 515 | |
40e084e1 KS |
516 | static const char * |
517 | skip_quote_char (const char *string, char quote_char) | |
f8eba3c6 | 518 | { |
40e084e1 | 519 | const char *p, *last; |
f8eba3c6 | 520 | |
40e084e1 KS |
521 | p = last = find_toplevel_char (string, quote_char); |
522 | while (p && *p != '\0' && *p != ':') | |
523 | { | |
524 | p = find_toplevel_char (p, quote_char); | |
525 | if (p != NULL) | |
526 | last = p++; | |
527 | } | |
f8eba3c6 | 528 | |
40e084e1 | 529 | return last; |
f8eba3c6 | 530 | } |
50641945 | 531 | |
40e084e1 KS |
532 | /* Make a writable copy of the string given in TOKEN, trimming |
533 | any trailing whitespace. */ | |
50641945 | 534 | |
40e084e1 KS |
535 | static char * |
536 | copy_token_string (linespec_token token) | |
50641945 | 537 | { |
40e084e1 | 538 | char *str, *s; |
e0881a8e | 539 | |
40e084e1 KS |
540 | if (token.type == LSTOKEN_KEYWORD) |
541 | return xstrdup (LS_TOKEN_KEYWORD (token)); | |
255e7dbf | 542 | |
40e084e1 KS |
543 | str = savestring (LS_TOKEN_STOKEN (token).ptr, |
544 | LS_TOKEN_STOKEN (token).length); | |
545 | s = remove_trailing_whitespace (str, str + LS_TOKEN_STOKEN (token).length); | |
546 | *s = '\0'; | |
e0881a8e | 547 | |
40e084e1 KS |
548 | return str; |
549 | } | |
255e7dbf | 550 | |
40e084e1 | 551 | /* Does P represent the end of a quote-enclosed linespec? */ |
f3a5f1de | 552 | |
40e084e1 KS |
553 | static int |
554 | is_closing_quote_enclosed (const char *p) | |
555 | { | |
556 | if (strchr (linespec_quote_characters, *p)) | |
557 | ++p; | |
558 | p = skip_spaces ((char *) p); | |
559 | return (*p == '\0' || linespec_lexer_lex_keyword (p)); | |
50641945 FN |
560 | } |
561 | ||
40e084e1 KS |
562 | /* Find the end of the parameter list that starts with *INPUT. |
563 | This helper function assists with lexing string segments | |
564 | which might contain valid (non-terminating) commas. */ | |
481860b3 | 565 | |
d7561cbb KS |
566 | static const char * |
567 | find_parameter_list_end (const char *input) | |
481860b3 | 568 | { |
40e084e1 KS |
569 | char end_char, start_char; |
570 | int depth; | |
d7561cbb | 571 | const char *p; |
481860b3 | 572 | |
40e084e1 KS |
573 | start_char = *input; |
574 | if (start_char == '(') | |
575 | end_char = ')'; | |
576 | else if (start_char == '<') | |
577 | end_char = '>'; | |
578 | else | |
579 | return NULL; | |
481860b3 | 580 | |
40e084e1 KS |
581 | p = input; |
582 | depth = 0; | |
583 | while (*p) | |
481860b3 | 584 | { |
40e084e1 KS |
585 | if (*p == start_char) |
586 | ++depth; | |
587 | else if (*p == end_char) | |
588 | { | |
589 | if (--depth == 0) | |
590 | { | |
591 | ++p; | |
592 | break; | |
593 | } | |
594 | } | |
595 | ++p; | |
481860b3 | 596 | } |
40e084e1 KS |
597 | |
598 | return p; | |
481860b3 GB |
599 | } |
600 | ||
c45ec17c PA |
601 | /* If the [STRING, STRING_LEN) string ends with what looks like a |
602 | keyword, return the keyword start offset in STRING. Return -1 | |
603 | otherwise. */ | |
604 | ||
605 | static size_t | |
606 | string_find_incomplete_keyword_at_end (const char * const *keywords, | |
607 | const char *string, size_t string_len) | |
608 | { | |
609 | const char *end = string + string_len; | |
610 | const char *p = end; | |
611 | ||
612 | while (p > string && *p != ' ') | |
613 | --p; | |
614 | if (p > string) | |
615 | { | |
616 | p++; | |
617 | size_t len = end - p; | |
618 | for (size_t i = 0; keywords[i] != NULL; ++i) | |
619 | if (strncmp (keywords[i], p, len) == 0) | |
620 | return p - string; | |
621 | } | |
622 | ||
623 | return -1; | |
624 | } | |
74ccd7f5 | 625 | |
40e084e1 KS |
626 | /* Lex a string from the input in PARSER. */ |
627 | ||
628 | static linespec_token | |
629 | linespec_lexer_lex_string (linespec_parser *parser) | |
74ccd7f5 | 630 | { |
40e084e1 | 631 | linespec_token token; |
d7561cbb | 632 | const char *start = PARSER_STREAM (parser); |
74ccd7f5 | 633 | |
40e084e1 | 634 | token.type = LSTOKEN_STRING; |
74ccd7f5 | 635 | |
40e084e1 KS |
636 | /* If the input stream starts with a quote character, skip to the next |
637 | quote character, regardless of the content. */ | |
638 | if (strchr (linespec_quote_characters, *PARSER_STREAM (parser))) | |
639 | { | |
640 | const char *end; | |
641 | char quote_char = *PARSER_STREAM (parser); | |
50641945 | 642 | |
40e084e1 KS |
643 | /* Special case: Ada operators. */ |
644 | if (PARSER_STATE (parser)->language->la_language == language_ada | |
645 | && quote_char == '\"') | |
646 | { | |
647 | int len = is_ada_operator (PARSER_STREAM (parser)); | |
50641945 | 648 | |
40e084e1 KS |
649 | if (len != 0) |
650 | { | |
651 | /* The input is an Ada operator. Return the quoted string | |
652 | as-is. */ | |
653 | LS_TOKEN_STOKEN (token).ptr = PARSER_STREAM (parser); | |
654 | LS_TOKEN_STOKEN (token).length = len; | |
655 | PARSER_STREAM (parser) += len; | |
656 | return token; | |
657 | } | |
f8eba3c6 | 658 | |
40e084e1 KS |
659 | /* The input does not represent an Ada operator -- fall through |
660 | to normal quoted string handling. */ | |
661 | } | |
f8eba3c6 | 662 | |
40e084e1 KS |
663 | /* Skip past the beginning quote. */ |
664 | ++(PARSER_STREAM (parser)); | |
74ccd7f5 | 665 | |
40e084e1 KS |
666 | /* Mark the start of the string. */ |
667 | LS_TOKEN_STOKEN (token).ptr = PARSER_STREAM (parser); | |
f8eba3c6 | 668 | |
40e084e1 KS |
669 | /* Skip to the ending quote. */ |
670 | end = skip_quote_char (PARSER_STREAM (parser), quote_char); | |
671 | ||
c45ec17c PA |
672 | /* This helps the completer mode decide whether we have a |
673 | complete string. */ | |
674 | parser->completion_quote_char = quote_char; | |
675 | parser->completion_quote_end = end; | |
40e084e1 | 676 | |
c45ec17c PA |
677 | /* Error if the input did not terminate properly, unless in |
678 | completion mode. */ | |
679 | if (end == NULL) | |
680 | { | |
681 | if (parser->completion_tracker == NULL) | |
682 | error (_("unmatched quote")); | |
683 | ||
684 | /* In completion mode, we'll try to complete the incomplete | |
685 | token. */ | |
686 | token.type = LSTOKEN_STRING; | |
687 | while (*PARSER_STREAM (parser) != '\0') | |
688 | PARSER_STREAM (parser)++; | |
689 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 1 - start; | |
690 | } | |
691 | else | |
692 | { | |
693 | /* Skip over the ending quote and mark the length of the string. */ | |
694 | PARSER_STREAM (parser) = (char *) ++end; | |
695 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 2 - start; | |
696 | } | |
40e084e1 KS |
697 | } |
698 | else | |
699 | { | |
d7561cbb | 700 | const char *p; |
40e084e1 KS |
701 | |
702 | /* Otherwise, only identifier characters are permitted. | |
703 | Spaces are the exception. In general, we keep spaces, | |
704 | but only if the next characters in the input do not resolve | |
705 | to one of the keywords. | |
706 | ||
707 | This allows users to forgo quoting CV-qualifiers, template arguments, | |
708 | and similar common language constructs. */ | |
709 | ||
710 | while (1) | |
711 | { | |
712 | if (isspace (*PARSER_STREAM (parser))) | |
713 | { | |
f1735a53 | 714 | p = skip_spaces (PARSER_STREAM (parser)); |
7c09e5a0 DE |
715 | /* When we get here we know we've found something followed by |
716 | a space (we skip over parens and templates below). | |
717 | So if we find a keyword now, we know it is a keyword and not, | |
718 | say, a function name. */ | |
40e084e1 KS |
719 | if (linespec_lexer_lex_keyword (p) != NULL) |
720 | { | |
721 | LS_TOKEN_STOKEN (token).ptr = start; | |
722 | LS_TOKEN_STOKEN (token).length | |
723 | = PARSER_STREAM (parser) - start; | |
724 | return token; | |
725 | } | |
726 | ||
727 | /* Advance past the whitespace. */ | |
728 | PARSER_STREAM (parser) = p; | |
729 | } | |
730 | ||
731 | /* If the next character is EOI or (single) ':', the | |
732 | string is complete; return the token. */ | |
733 | if (*PARSER_STREAM (parser) == 0) | |
734 | { | |
735 | LS_TOKEN_STOKEN (token).ptr = start; | |
736 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
737 | return token; | |
738 | } | |
739 | else if (PARSER_STREAM (parser)[0] == ':') | |
740 | { | |
741 | /* Do not tokenize the C++ scope operator. */ | |
742 | if (PARSER_STREAM (parser)[1] == ':') | |
743 | ++(PARSER_STREAM (parser)); | |
744 | ||
745 | /* Do not tokenify if the input length so far is one | |
746 | (i.e, a single-letter drive name) and the next character | |
747 | is a directory separator. This allows Windows-style | |
748 | paths to be recognized as filenames without quoting it. */ | |
749 | else if ((PARSER_STREAM (parser) - start) != 1 | |
750 | || !IS_DIR_SEPARATOR (PARSER_STREAM (parser)[1])) | |
751 | { | |
752 | LS_TOKEN_STOKEN (token).ptr = start; | |
753 | LS_TOKEN_STOKEN (token).length | |
754 | = PARSER_STREAM (parser) - start; | |
755 | return token; | |
756 | } | |
757 | } | |
758 | /* Special case: permit quote-enclosed linespecs. */ | |
759 | else if (parser->is_quote_enclosed | |
760 | && strchr (linespec_quote_characters, | |
761 | *PARSER_STREAM (parser)) | |
762 | && is_closing_quote_enclosed (PARSER_STREAM (parser))) | |
763 | { | |
764 | LS_TOKEN_STOKEN (token).ptr = start; | |
765 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
766 | return token; | |
767 | } | |
768 | /* Because commas may terminate a linespec and appear in | |
769 | the middle of valid string input, special cases for | |
770 | '<' and '(' are necessary. */ | |
771 | else if (*PARSER_STREAM (parser) == '<' | |
772 | || *PARSER_STREAM (parser) == '(') | |
773 | { | |
be966d42 PA |
774 | /* Don't interpret 'operator<' / 'operator<<' as a |
775 | template parameter list though. */ | |
776 | if (*PARSER_STREAM (parser) == '<' | |
777 | && (PARSER_STATE (parser)->language->la_language | |
778 | == language_cplus) | |
779 | && (PARSER_STREAM (parser) - start) >= CP_OPERATOR_LEN) | |
780 | { | |
781 | const char *p = PARSER_STREAM (parser); | |
782 | ||
783 | while (p > start && isspace (p[-1])) | |
784 | p--; | |
785 | if (p - start >= CP_OPERATOR_LEN) | |
786 | { | |
787 | p -= CP_OPERATOR_LEN; | |
788 | if (strncmp (p, CP_OPERATOR_STR, CP_OPERATOR_LEN) == 0 | |
789 | && (p == start | |
790 | || !(isalnum (p[-1]) || p[-1] == '_'))) | |
791 | { | |
792 | /* This is an operator name. Keep going. */ | |
793 | ++(PARSER_STREAM (parser)); | |
794 | if (*PARSER_STREAM (parser) == '<') | |
795 | ++(PARSER_STREAM (parser)); | |
796 | continue; | |
797 | } | |
798 | } | |
799 | } | |
800 | ||
801 | const char *p = find_parameter_list_end (PARSER_STREAM (parser)); | |
802 | PARSER_STREAM (parser) = p; | |
40e084e1 | 803 | |
be966d42 PA |
804 | /* Don't loop around to the normal \0 case above because |
805 | we don't want to misinterpret a potential keyword at | |
806 | the end of the token when the string isn't | |
807 | "()<>"-balanced. This handles "b | |
808 | function(thread<tab>" in completion mode. */ | |
809 | if (*p == '\0') | |
40e084e1 | 810 | { |
be966d42 PA |
811 | LS_TOKEN_STOKEN (token).ptr = start; |
812 | LS_TOKEN_STOKEN (token).length | |
813 | = PARSER_STREAM (parser) - start; | |
814 | return token; | |
40e084e1 | 815 | } |
be966d42 PA |
816 | else |
817 | continue; | |
40e084e1 KS |
818 | } |
819 | /* Commas are terminators, but not if they are part of an | |
820 | operator name. */ | |
821 | else if (*PARSER_STREAM (parser) == ',') | |
822 | { | |
823 | if ((PARSER_STATE (parser)->language->la_language | |
824 | == language_cplus) | |
8090b426 | 825 | && (PARSER_STREAM (parser) - start) > CP_OPERATOR_LEN) |
40e084e1 | 826 | { |
8090b426 | 827 | const char *p = strstr (start, CP_OPERATOR_STR); |
40e084e1 KS |
828 | |
829 | if (p != NULL && is_operator_name (p)) | |
830 | { | |
831 | /* This is an operator name. Keep going. */ | |
832 | ++(PARSER_STREAM (parser)); | |
833 | continue; | |
834 | } | |
835 | } | |
836 | ||
837 | /* Comma terminates the string. */ | |
838 | LS_TOKEN_STOKEN (token).ptr = start; | |
839 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
840 | return token; | |
841 | } | |
842 | ||
843 | /* Advance the stream. */ | |
844 | ++(PARSER_STREAM (parser)); | |
845 | } | |
846 | } | |
847 | ||
848 | return token; | |
849 | } | |
850 | ||
851 | /* Lex a single linespec token from PARSER. */ | |
852 | ||
853 | static linespec_token | |
854 | linespec_lexer_lex_one (linespec_parser *parser) | |
855 | { | |
856 | const char *keyword; | |
857 | ||
858 | if (parser->lexer.current.type == LSTOKEN_CONSUMED) | |
859 | { | |
860 | /* Skip any whitespace. */ | |
f1735a53 | 861 | PARSER_STREAM (parser) = skip_spaces (PARSER_STREAM (parser)); |
40e084e1 | 862 | |
7c09e5a0 | 863 | /* Check for a keyword, they end the linespec. */ |
0578b14e | 864 | keyword = linespec_lexer_lex_keyword (PARSER_STREAM (parser)); |
40e084e1 KS |
865 | if (keyword != NULL) |
866 | { | |
867 | parser->lexer.current.type = LSTOKEN_KEYWORD; | |
868 | LS_TOKEN_KEYWORD (parser->lexer.current) = keyword; | |
0578b14e KS |
869 | /* We do not advance the stream here intentionally: |
870 | we would like lexing to stop when a keyword is seen. | |
871 | ||
872 | PARSER_STREAM (parser) += strlen (keyword); */ | |
873 | ||
40e084e1 KS |
874 | return parser->lexer.current; |
875 | } | |
876 | ||
877 | /* Handle other tokens. */ | |
878 | switch (*PARSER_STREAM (parser)) | |
879 | { | |
880 | case 0: | |
881 | parser->lexer.current.type = LSTOKEN_EOI; | |
882 | break; | |
883 | ||
884 | case '+': case '-': | |
885 | case '0': case '1': case '2': case '3': case '4': | |
886 | case '5': case '6': case '7': case '8': case '9': | |
d7cbec71 HZ |
887 | if (!linespec_lexer_lex_number (parser, &(parser->lexer.current))) |
888 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
40e084e1 KS |
889 | break; |
890 | ||
891 | case ':': | |
892 | /* If we have a scope operator, lex the input as a string. | |
893 | Otherwise, return LSTOKEN_COLON. */ | |
894 | if (PARSER_STREAM (parser)[1] == ':') | |
895 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
896 | else | |
897 | { | |
898 | parser->lexer.current.type = LSTOKEN_COLON; | |
899 | ++(PARSER_STREAM (parser)); | |
900 | } | |
901 | break; | |
902 | ||
903 | case '\'': case '\"': | |
904 | /* Special case: permit quote-enclosed linespecs. */ | |
905 | if (parser->is_quote_enclosed | |
906 | && is_closing_quote_enclosed (PARSER_STREAM (parser))) | |
907 | { | |
908 | ++(PARSER_STREAM (parser)); | |
909 | parser->lexer.current.type = LSTOKEN_EOI; | |
910 | } | |
911 | else | |
912 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
913 | break; | |
914 | ||
915 | case ',': | |
916 | parser->lexer.current.type = LSTOKEN_COMMA; | |
917 | LS_TOKEN_STOKEN (parser->lexer.current).ptr | |
918 | = PARSER_STREAM (parser); | |
919 | LS_TOKEN_STOKEN (parser->lexer.current).length = 1; | |
920 | ++(PARSER_STREAM (parser)); | |
921 | break; | |
922 | ||
923 | default: | |
924 | /* If the input is not a number, it must be a string. | |
925 | [Keywords were already considered above.] */ | |
926 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
927 | break; | |
928 | } | |
929 | } | |
930 | ||
931 | return parser->lexer.current; | |
932 | } | |
933 | ||
934 | /* Consume the current token and return the next token in PARSER's | |
c45ec17c PA |
935 | input stream. Also advance the completion word for completion |
936 | mode. */ | |
40e084e1 KS |
937 | |
938 | static linespec_token | |
939 | linespec_lexer_consume_token (linespec_parser *parser) | |
940 | { | |
c45ec17c PA |
941 | gdb_assert (parser->lexer.current.type != LSTOKEN_EOI); |
942 | ||
943 | bool advance_word = (parser->lexer.current.type != LSTOKEN_STRING | |
944 | || *PARSER_STREAM (parser) != '\0'); | |
945 | ||
946 | /* If we're moving past a string to some other token, it must be the | |
947 | quote was terminated. */ | |
948 | if (parser->completion_quote_char) | |
949 | { | |
950 | gdb_assert (parser->lexer.current.type == LSTOKEN_STRING); | |
951 | ||
952 | /* If the string was the last (non-EOI) token, we're past the | |
953 | quote, but remember that for later. */ | |
954 | if (*PARSER_STREAM (parser) != '\0') | |
955 | { | |
956 | parser->completion_quote_char = '\0'; | |
957 | parser->completion_quote_end = NULL;; | |
958 | } | |
959 | } | |
960 | ||
40e084e1 | 961 | parser->lexer.current.type = LSTOKEN_CONSUMED; |
c45ec17c PA |
962 | linespec_lexer_lex_one (parser); |
963 | ||
964 | if (parser->lexer.current.type == LSTOKEN_STRING) | |
965 | { | |
966 | /* Advance the completion word past a potential initial | |
967 | quote-char. */ | |
968 | parser->completion_word = LS_TOKEN_STOKEN (parser->lexer.current).ptr; | |
969 | } | |
970 | else if (advance_word) | |
971 | { | |
972 | /* Advance the completion word past any whitespace. */ | |
973 | parser->completion_word = PARSER_STREAM (parser); | |
974 | } | |
975 | ||
976 | return parser->lexer.current; | |
40e084e1 KS |
977 | } |
978 | ||
979 | /* Return the next token without consuming the current token. */ | |
980 | ||
981 | static linespec_token | |
982 | linespec_lexer_peek_token (linespec_parser *parser) | |
983 | { | |
984 | linespec_token next; | |
d7561cbb | 985 | const char *saved_stream = PARSER_STREAM (parser); |
40e084e1 | 986 | linespec_token saved_token = parser->lexer.current; |
c45ec17c PA |
987 | int saved_completion_quote_char = parser->completion_quote_char; |
988 | const char *saved_completion_quote_end = parser->completion_quote_end; | |
989 | const char *saved_completion_word = parser->completion_word; | |
40e084e1 KS |
990 | |
991 | next = linespec_lexer_consume_token (parser); | |
992 | PARSER_STREAM (parser) = saved_stream; | |
993 | parser->lexer.current = saved_token; | |
c45ec17c PA |
994 | parser->completion_quote_char = saved_completion_quote_char; |
995 | parser->completion_quote_end = saved_completion_quote_end; | |
996 | parser->completion_word = saved_completion_word; | |
40e084e1 KS |
997 | return next; |
998 | } | |
999 | ||
1000 | /* Helper functions. */ | |
1001 | ||
40e084e1 KS |
1002 | /* Add SAL to SALS, and also update SELF->CANONICAL_NAMES to reflect |
1003 | the new sal, if needed. If not NULL, SYMNAME is the name of the | |
66f1999b KS |
1004 | symbol to use when constructing the new canonical name. |
1005 | ||
1006 | If LITERAL_CANONICAL is non-zero, SYMNAME will be used as the | |
1007 | canonical name for the SAL. */ | |
40e084e1 KS |
1008 | |
1009 | static void | |
1010 | add_sal_to_sals (struct linespec_state *self, | |
6c5b2ebe | 1011 | std::vector<symtab_and_line> *sals, |
40e084e1 | 1012 | struct symtab_and_line *sal, |
66f1999b | 1013 | const char *symname, int literal_canonical) |
40e084e1 | 1014 | { |
6c5b2ebe | 1015 | sals->push_back (*sal); |
40e084e1 KS |
1016 | |
1017 | if (self->canonical) | |
1018 | { | |
33f448b1 | 1019 | struct linespec_canonical_name *canonical; |
40e084e1 | 1020 | |
224c3ddb | 1021 | self->canonical_names = XRESIZEVEC (struct linespec_canonical_name, |
6c5b2ebe PA |
1022 | self->canonical_names, |
1023 | sals->size ()); | |
1024 | canonical = &self->canonical_names[sals->size () - 1]; | |
4e04028d | 1025 | if (!literal_canonical && sal->symtab) |
40e084e1 | 1026 | { |
df140a0b TS |
1027 | symtab_to_fullname (sal->symtab); |
1028 | ||
40e084e1 KS |
1029 | /* Note that the filter doesn't have to be a valid linespec |
1030 | input. We only apply the ":LINE" treatment to Ada for | |
1031 | the time being. */ | |
1032 | if (symname != NULL && sal->line != 0 | |
1033 | && self->language->la_language == language_ada) | |
33f448b1 | 1034 | canonical->suffix = xstrprintf ("%s:%d", symname, sal->line); |
40e084e1 | 1035 | else if (symname != NULL) |
33f448b1 | 1036 | canonical->suffix = xstrdup (symname); |
40e084e1 | 1037 | else |
33f448b1 JK |
1038 | canonical->suffix = xstrprintf ("%d", sal->line); |
1039 | canonical->symtab = sal->symtab; | |
1040 | } | |
1041 | else | |
1042 | { | |
1043 | if (symname != NULL) | |
1044 | canonical->suffix = xstrdup (symname); | |
1045 | else | |
e617b069 | 1046 | canonical->suffix = xstrdup ("<unknown>"); |
33f448b1 | 1047 | canonical->symtab = NULL; |
40e084e1 | 1048 | } |
40e084e1 KS |
1049 | } |
1050 | } | |
1051 | ||
1052 | /* A hash function for address_entry. */ | |
1053 | ||
1054 | static hashval_t | |
1055 | hash_address_entry (const void *p) | |
1056 | { | |
9a3c8263 | 1057 | const struct address_entry *aep = (const struct address_entry *) p; |
40e084e1 KS |
1058 | hashval_t hash; |
1059 | ||
1060 | hash = iterative_hash_object (aep->pspace, 0); | |
1061 | return iterative_hash_object (aep->addr, hash); | |
1062 | } | |
1063 | ||
1064 | /* An equality function for address_entry. */ | |
1065 | ||
1066 | static int | |
1067 | eq_address_entry (const void *a, const void *b) | |
1068 | { | |
9a3c8263 SM |
1069 | const struct address_entry *aea = (const struct address_entry *) a; |
1070 | const struct address_entry *aeb = (const struct address_entry *) b; | |
40e084e1 KS |
1071 | |
1072 | return aea->pspace == aeb->pspace && aea->addr == aeb->addr; | |
1073 | } | |
1074 | ||
1075 | /* Check whether the address, represented by PSPACE and ADDR, is | |
1076 | already in the set. If so, return 0. Otherwise, add it and return | |
1077 | 1. */ | |
1078 | ||
1079 | static int | |
1080 | maybe_add_address (htab_t set, struct program_space *pspace, CORE_ADDR addr) | |
1081 | { | |
1082 | struct address_entry e, *p; | |
1083 | void **slot; | |
1084 | ||
1085 | e.pspace = pspace; | |
1086 | e.addr = addr; | |
1087 | slot = htab_find_slot (set, &e, INSERT); | |
1088 | if (*slot) | |
1089 | return 0; | |
1090 | ||
1091 | p = XNEW (struct address_entry); | |
1092 | memcpy (p, &e, sizeof (struct address_entry)); | |
1093 | *slot = p; | |
1094 | ||
1095 | return 1; | |
1096 | } | |
1097 | ||
40e084e1 KS |
1098 | /* A helper that walks over all matching symtabs in all objfiles and |
1099 | calls CALLBACK for each symbol matching NAME. If SEARCH_PSPACE is | |
1100 | not NULL, then the search is restricted to just that program | |
14bc53a8 | 1101 | space. If INCLUDE_INLINE is true then symbols representing |
40e084e1 KS |
1102 | inlined instances of functions will be included in the result. */ |
1103 | ||
1104 | static void | |
14bc53a8 | 1105 | iterate_over_all_matching_symtabs |
b5ec771e PA |
1106 | (struct linespec_state *state, |
1107 | const lookup_name_info &lookup_name, | |
1108 | const domain_enum name_domain, | |
14bc53a8 PA |
1109 | struct program_space *search_pspace, bool include_inline, |
1110 | gdb::function_view<symbol_found_callback_ftype> callback) | |
40e084e1 KS |
1111 | { |
1112 | struct objfile *objfile; | |
1113 | struct program_space *pspace; | |
40e084e1 | 1114 | |
40e084e1 KS |
1115 | ALL_PSPACES (pspace) |
1116 | { | |
1117 | if (search_pspace != NULL && search_pspace != pspace) | |
1118 | continue; | |
1119 | if (pspace->executing_startup) | |
f8eba3c6 TT |
1120 | continue; |
1121 | ||
1122 | set_current_program_space (pspace); | |
50641945 | 1123 | |
f8eba3c6 TT |
1124 | ALL_OBJFILES (objfile) |
1125 | { | |
43f3e411 | 1126 | struct compunit_symtab *cu; |
f8eba3c6 TT |
1127 | |
1128 | if (objfile->sf) | |
b5ec771e PA |
1129 | objfile->sf->qf->expand_symtabs_matching (objfile, |
1130 | NULL, | |
1131 | lookup_name, | |
1132 | NULL, NULL, | |
1133 | ALL_DOMAIN); | |
f8eba3c6 | 1134 | |
43f3e411 | 1135 | ALL_OBJFILE_COMPUNITS (objfile, cu) |
f8eba3c6 | 1136 | { |
43f3e411 DE |
1137 | struct symtab *symtab = COMPUNIT_FILETABS (cu); |
1138 | ||
b5ec771e | 1139 | iterate_over_file_blocks (symtab, lookup_name, name_domain, callback); |
481860b3 | 1140 | |
d790cf0a DE |
1141 | if (include_inline) |
1142 | { | |
4eeaa230 | 1143 | struct block *block; |
d790cf0a | 1144 | int i; |
481860b3 | 1145 | |
d790cf0a | 1146 | for (i = FIRST_LOCAL_BLOCK; |
439247b6 DE |
1147 | i < BLOCKVECTOR_NBLOCKS (SYMTAB_BLOCKVECTOR (symtab)); |
1148 | i++) | |
d790cf0a | 1149 | { |
439247b6 | 1150 | block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), i); |
4ae24af0 | 1151 | state->language->la_iterate_over_symbols |
b5ec771e | 1152 | (block, lookup_name, name_domain, [&] (symbol *sym) |
14bc53a8 PA |
1153 | { |
1154 | /* Restrict calls to CALLBACK to symbols | |
1155 | representing inline symbols only. */ | |
1156 | if (SYMBOL_INLINED (sym)) | |
1157 | return callback (sym); | |
1158 | return true; | |
1159 | }); | |
481860b3 | 1160 | } |
f8eba3c6 TT |
1161 | } |
1162 | } | |
1163 | } | |
1164 | } | |
50641945 FN |
1165 | } |
1166 | ||
4eeaa230 DE |
1167 | /* Returns the block to be used for symbol searches from |
1168 | the current location. */ | |
e8eb7bc5 | 1169 | |
3977b71f | 1170 | static const struct block * |
e482a1a7 | 1171 | get_current_search_block (void) |
e8eb7bc5 | 1172 | { |
3977b71f | 1173 | const struct block *block; |
4eeaa230 | 1174 | enum language save_language; |
e8eb7bc5 | 1175 | |
4eeaa230 DE |
1176 | /* get_selected_block can change the current language when there is |
1177 | no selected frame yet. */ | |
1178 | save_language = current_language->la_language; | |
1179 | block = get_selected_block (0); | |
1180 | set_language (save_language); | |
e8eb7bc5 KS |
1181 | |
1182 | return block; | |
1183 | } | |
1184 | ||
4eeaa230 DE |
1185 | /* Iterate over static and global blocks. */ |
1186 | ||
1187 | static void | |
14bc53a8 | 1188 | iterate_over_file_blocks |
b5ec771e PA |
1189 | (struct symtab *symtab, const lookup_name_info &name, |
1190 | domain_enum domain, gdb::function_view<symbol_found_callback_ftype> callback) | |
4eeaa230 DE |
1191 | { |
1192 | struct block *block; | |
1193 | ||
439247b6 | 1194 | for (block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), STATIC_BLOCK); |
4eeaa230 DE |
1195 | block != NULL; |
1196 | block = BLOCK_SUPERBLOCK (block)) | |
14bc53a8 | 1197 | LA_ITERATE_OVER_SYMBOLS (block, name, domain, callback); |
4eeaa230 DE |
1198 | } |
1199 | ||
b5ec771e PA |
1200 | /* A helper for find_method. This finds all methods in type T of |
1201 | language T_LANG which match NAME. It adds matching symbol names to | |
1202 | RESULT_NAMES, and adds T's direct superclasses to SUPERCLASSES. */ | |
50641945 | 1203 | |
f8eba3c6 | 1204 | static void |
b5ec771e | 1205 | find_methods (struct type *t, enum language t_lang, const char *name, |
f8eba3c6 TT |
1206 | VEC (const_char_ptr) **result_names, |
1207 | VEC (typep) **superclasses) | |
50641945 | 1208 | { |
50641945 | 1209 | int ibase; |
0d5cff50 | 1210 | const char *class_name = type_name_no_tag (t); |
c00f8484 | 1211 | |
50641945 FN |
1212 | /* Ignore this class if it doesn't have a name. This is ugly, but |
1213 | unless we figure out how to get the physname without the name of | |
1214 | the class, then the loop can't do any good. */ | |
f8eba3c6 | 1215 | if (class_name) |
50641945 FN |
1216 | { |
1217 | int method_counter; | |
b5ec771e PA |
1218 | lookup_name_info lookup_name (name, symbol_name_match_type::FULL); |
1219 | symbol_name_matcher_ftype *symbol_name_compare | |
1220 | = language_get_symbol_name_matcher (language_def (t_lang), lookup_name); | |
50641945 | 1221 | |
f168693b | 1222 | t = check_typedef (t); |
50641945 FN |
1223 | |
1224 | /* Loop over each method name. At this level, all overloads of a name | |
1225 | are counted as a single name. There is an inner loop which loops over | |
1226 | each overload. */ | |
1227 | ||
1228 | for (method_counter = TYPE_NFN_FIELDS (t) - 1; | |
1229 | method_counter >= 0; | |
1230 | --method_counter) | |
1231 | { | |
0d5cff50 | 1232 | const char *method_name = TYPE_FN_FIELDLIST_NAME (t, method_counter); |
50641945 FN |
1233 | char dem_opname[64]; |
1234 | ||
61012eef GB |
1235 | if (startswith (method_name, "__") || |
1236 | startswith (method_name, "op") || | |
1237 | startswith (method_name, "type")) | |
50641945 FN |
1238 | { |
1239 | if (cplus_demangle_opname (method_name, dem_opname, DMGL_ANSI)) | |
1240 | method_name = dem_opname; | |
1241 | else if (cplus_demangle_opname (method_name, dem_opname, 0)) | |
1242 | method_name = dem_opname; | |
1243 | } | |
1244 | ||
b5ec771e | 1245 | if (symbol_name_compare (method_name, lookup_name, NULL)) |
f8eba3c6 TT |
1246 | { |
1247 | int field_counter; | |
aee8d8ba | 1248 | |
f8eba3c6 TT |
1249 | for (field_counter = (TYPE_FN_FIELDLIST_LENGTH (t, method_counter) |
1250 | - 1); | |
1251 | field_counter >= 0; | |
1252 | --field_counter) | |
1253 | { | |
1254 | struct fn_field *f; | |
1255 | const char *phys_name; | |
1256 | ||
1257 | f = TYPE_FN_FIELDLIST1 (t, method_counter); | |
1258 | if (TYPE_FN_FIELD_STUB (f, field_counter)) | |
1259 | continue; | |
1260 | phys_name = TYPE_FN_FIELD_PHYSNAME (f, field_counter); | |
1261 | VEC_safe_push (const_char_ptr, *result_names, phys_name); | |
1262 | } | |
1263 | } | |
aee8d8ba DC |
1264 | } |
1265 | } | |
1266 | ||
f8eba3c6 TT |
1267 | for (ibase = 0; ibase < TYPE_N_BASECLASSES (t); ibase++) |
1268 | VEC_safe_push (typep, *superclasses, TYPE_BASECLASS (t, ibase)); | |
50641945 FN |
1269 | } |
1270 | ||
50641945 FN |
1271 | /* Find an instance of the character C in the string S that is outside |
1272 | of all parenthesis pairs, single-quoted strings, and double-quoted | |
8120c9d5 | 1273 | strings. Also, ignore the char within a template name, like a ',' |
be966d42 | 1274 | within foo<int, int>, while considering C++ operator</operator<<. */ |
8120c9d5 | 1275 | |
87f0e720 | 1276 | const char * |
40e084e1 | 1277 | find_toplevel_char (const char *s, char c) |
50641945 FN |
1278 | { |
1279 | int quoted = 0; /* zero if we're not in quotes; | |
1280 | '"' if we're in a double-quoted string; | |
1281 | '\'' if we're in a single-quoted string. */ | |
a04257e6 | 1282 | int depth = 0; /* Number of unclosed parens we've seen. */ |
40e084e1 | 1283 | const char *scan; |
50641945 FN |
1284 | |
1285 | for (scan = s; *scan; scan++) | |
1286 | { | |
1287 | if (quoted) | |
1288 | { | |
1289 | if (*scan == quoted) | |
1290 | quoted = 0; | |
1291 | else if (*scan == '\\' && *(scan + 1)) | |
1292 | scan++; | |
1293 | } | |
1294 | else if (*scan == c && ! quoted && depth == 0) | |
1295 | return scan; | |
1296 | else if (*scan == '"' || *scan == '\'') | |
1297 | quoted = *scan; | |
8120c9d5 | 1298 | else if (*scan == '(' || *scan == '<') |
50641945 | 1299 | depth++; |
8120c9d5 | 1300 | else if ((*scan == ')' || *scan == '>') && depth > 0) |
50641945 | 1301 | depth--; |
be966d42 PA |
1302 | else if (*scan == 'o' && !quoted && depth == 0) |
1303 | { | |
1304 | /* Handle C++ operator names. */ | |
1305 | if (strncmp (scan, CP_OPERATOR_STR, CP_OPERATOR_LEN) == 0) | |
1306 | { | |
1307 | scan += CP_OPERATOR_LEN; | |
1308 | if (*scan == c) | |
1309 | return scan; | |
1310 | while (isspace (*scan)) | |
1311 | { | |
1312 | ++scan; | |
1313 | if (*scan == c) | |
1314 | return scan; | |
1315 | } | |
1316 | if (*scan == '\0') | |
1317 | break; | |
1318 | ||
1319 | switch (*scan) | |
1320 | { | |
1321 | /* Skip over one less than the appropriate number of | |
1322 | characters: the for loop will skip over the last | |
1323 | one. */ | |
1324 | case '<': | |
1325 | if (scan[1] == '<') | |
1326 | { | |
1327 | scan++; | |
1328 | if (*scan == c) | |
1329 | return scan; | |
1330 | } | |
1331 | break; | |
1332 | case '>': | |
1333 | if (scan[1] == '>') | |
1334 | { | |
1335 | scan++; | |
1336 | if (*scan == c) | |
1337 | return scan; | |
1338 | } | |
1339 | break; | |
1340 | } | |
1341 | } | |
1342 | } | |
50641945 FN |
1343 | } |
1344 | ||
1345 | return 0; | |
1346 | } | |
1347 | ||
40e084e1 KS |
1348 | /* The string equivalent of find_toplevel_char. Returns a pointer |
1349 | to the location of NEEDLE in HAYSTACK, ignoring any occurrences | |
1350 | inside "()" and "<>". Returns NULL if NEEDLE was not found. */ | |
889f28e2 | 1351 | |
40e084e1 KS |
1352 | static const char * |
1353 | find_toplevel_string (const char *haystack, const char *needle) | |
889f28e2 | 1354 | { |
40e084e1 KS |
1355 | const char *s = haystack; |
1356 | ||
1357 | do | |
1358 | { | |
1359 | s = find_toplevel_char (s, *needle); | |
1360 | ||
1361 | if (s != NULL) | |
1362 | { | |
1363 | /* Found first char in HAYSTACK; check rest of string. */ | |
61012eef | 1364 | if (startswith (s, needle)) |
40e084e1 KS |
1365 | return s; |
1366 | ||
1367 | /* Didn't find it; loop over HAYSTACK, looking for the next | |
1368 | instance of the first character of NEEDLE. */ | |
1369 | ++s; | |
1370 | } | |
1371 | } | |
1372 | while (s != NULL && *s != '\0'); | |
1373 | ||
1374 | /* NEEDLE was not found in HAYSTACK. */ | |
1375 | return NULL; | |
889f28e2 AF |
1376 | } |
1377 | ||
33f448b1 JK |
1378 | /* Convert CANONICAL to its string representation using |
1379 | symtab_to_fullname for SYMTAB. The caller must xfree the result. */ | |
1380 | ||
1381 | static char * | |
1382 | canonical_to_fullform (const struct linespec_canonical_name *canonical) | |
1383 | { | |
1384 | if (canonical->symtab == NULL) | |
1385 | return xstrdup (canonical->suffix); | |
1386 | else | |
1387 | return xstrprintf ("%s:%s", symtab_to_fullname (canonical->symtab), | |
1388 | canonical->suffix); | |
1389 | } | |
1390 | ||
f8eba3c6 TT |
1391 | /* Given FILTERS, a list of canonical names, filter the sals in RESULT |
1392 | and store the result in SELF->CANONICAL. */ | |
50641945 | 1393 | |
f8eba3c6 TT |
1394 | static void |
1395 | filter_results (struct linespec_state *self, | |
6c5b2ebe | 1396 | std::vector<symtab_and_line> *result, |
f8eba3c6 TT |
1397 | VEC (const_char_ptr) *filters) |
1398 | { | |
1399 | int i; | |
1400 | const char *name; | |
1401 | ||
1402 | for (i = 0; VEC_iterate (const_char_ptr, filters, i, name); ++i) | |
1403 | { | |
6c5b2ebe | 1404 | linespec_sals lsal; |
f8eba3c6 | 1405 | |
6c5b2ebe | 1406 | for (size_t j = 0; j < result->size (); ++j) |
f8eba3c6 | 1407 | { |
33f448b1 JK |
1408 | const struct linespec_canonical_name *canonical; |
1409 | char *fullform; | |
1410 | struct cleanup *cleanup; | |
1411 | ||
1412 | canonical = &self->canonical_names[j]; | |
1413 | fullform = canonical_to_fullform (canonical); | |
1414 | cleanup = make_cleanup (xfree, fullform); | |
1415 | ||
1416 | if (strcmp (name, fullform) == 0) | |
6c5b2ebe | 1417 | lsal.sals.push_back ((*result)[j]); |
33f448b1 JK |
1418 | |
1419 | do_cleanups (cleanup); | |
f8eba3c6 TT |
1420 | } |
1421 | ||
6c5b2ebe | 1422 | if (!lsal.sals.empty ()) |
f8eba3c6 TT |
1423 | { |
1424 | lsal.canonical = xstrdup (name); | |
6c5b2ebe | 1425 | self->canonical->lsals.push_back (std::move (lsal)); |
f8eba3c6 TT |
1426 | } |
1427 | } | |
1428 | ||
1429 | self->canonical->pre_expanded = 0; | |
1430 | } | |
1431 | ||
1432 | /* Store RESULT into SELF->CANONICAL. */ | |
1433 | ||
1434 | static void | |
1435 | convert_results_to_lsals (struct linespec_state *self, | |
6c5b2ebe | 1436 | std::vector<symtab_and_line> *result) |
50641945 | 1437 | { |
f8eba3c6 TT |
1438 | struct linespec_sals lsal; |
1439 | ||
1440 | lsal.canonical = NULL; | |
6c5b2ebe PA |
1441 | lsal.sals = std::move (*result); |
1442 | self->canonical->lsals.push_back (std::move (lsal)); | |
f8eba3c6 TT |
1443 | } |
1444 | ||
33f448b1 JK |
1445 | /* A structure that contains two string representations of a struct |
1446 | linespec_canonical_name: | |
1447 | - one where the the symtab's fullname is used; | |
1448 | - one where the filename followed the "set filename-display" | |
1449 | setting. */ | |
1450 | ||
1451 | struct decode_line_2_item | |
1452 | { | |
1453 | /* The form using symtab_to_fullname. | |
1454 | It must be xfree'ed after use. */ | |
1455 | char *fullform; | |
1456 | ||
1457 | /* The form using symtab_to_filename_for_display. | |
1458 | It must be xfree'ed after use. */ | |
1459 | char *displayform; | |
1460 | ||
1461 | /* Field is initialized to zero and it is set to one if the user | |
1462 | requested breakpoint for this entry. */ | |
1463 | unsigned int selected : 1; | |
1464 | }; | |
1465 | ||
1466 | /* Helper for qsort to sort decode_line_2_item entries by DISPLAYFORM and | |
1467 | secondarily by FULLFORM. */ | |
1468 | ||
1469 | static int | |
1470 | decode_line_2_compare_items (const void *ap, const void *bp) | |
1471 | { | |
9a3c8263 SM |
1472 | const struct decode_line_2_item *a = (const struct decode_line_2_item *) ap; |
1473 | const struct decode_line_2_item *b = (const struct decode_line_2_item *) bp; | |
33f448b1 JK |
1474 | int retval; |
1475 | ||
1476 | retval = strcmp (a->displayform, b->displayform); | |
1477 | if (retval != 0) | |
1478 | return retval; | |
1479 | ||
1480 | return strcmp (a->fullform, b->fullform); | |
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; |
50641945 | 1496 | struct cleanup *old_chain; |
33f448b1 | 1497 | VEC (const_char_ptr) *filters = NULL; |
33f448b1 JK |
1498 | struct decode_line_2_item *items; |
1499 | int items_count; | |
50641945 | 1500 | |
f8eba3c6 TT |
1501 | gdb_assert (select_mode != multiple_symbols_all); |
1502 | gdb_assert (self->canonical != NULL); | |
6c5b2ebe | 1503 | gdb_assert (!result->empty ()); |
33f448b1 JK |
1504 | |
1505 | old_chain = make_cleanup (VEC_cleanup (const_char_ptr), &filters); | |
50641945 | 1506 | |
33f448b1 | 1507 | /* Prepare ITEMS array. */ |
6c5b2ebe | 1508 | items_count = result->size (); |
8d749320 | 1509 | items = XNEWVEC (struct decode_line_2_item, items_count); |
33f448b1 JK |
1510 | make_cleanup (xfree, items); |
1511 | for (i = 0; i < items_count; ++i) | |
50641945 | 1512 | { |
33f448b1 JK |
1513 | const struct linespec_canonical_name *canonical; |
1514 | struct decode_line_2_item *item; | |
1515 | ||
1516 | canonical = &self->canonical_names[i]; | |
1517 | gdb_assert (canonical->suffix != NULL); | |
1518 | item = &items[i]; | |
f8eba3c6 | 1519 | |
33f448b1 JK |
1520 | item->fullform = canonical_to_fullform (canonical); |
1521 | make_cleanup (xfree, item->fullform); | |
1522 | ||
1523 | if (canonical->symtab == NULL) | |
1524 | item->displayform = canonical->suffix; | |
1525 | else | |
f8eba3c6 | 1526 | { |
33f448b1 JK |
1527 | const char *fn_for_display; |
1528 | ||
1529 | fn_for_display = symtab_to_filename_for_display (canonical->symtab); | |
1530 | item->displayform = xstrprintf ("%s:%s", fn_for_display, | |
1531 | canonical->suffix); | |
1532 | make_cleanup (xfree, item->displayform); | |
f8eba3c6 TT |
1533 | } |
1534 | ||
33f448b1 | 1535 | item->selected = 0; |
50641945 FN |
1536 | } |
1537 | ||
33f448b1 JK |
1538 | /* Sort the list of method names. */ |
1539 | qsort (items, items_count, sizeof (*items), decode_line_2_compare_items); | |
1540 | ||
1541 | /* Remove entries with the same FULLFORM. */ | |
1542 | if (items_count >= 2) | |
1543 | { | |
1544 | struct decode_line_2_item *dst, *src; | |
1545 | ||
1546 | dst = items; | |
1547 | for (src = &items[1]; src < &items[items_count]; src++) | |
1548 | if (strcmp (src->fullform, dst->fullform) != 0) | |
1549 | *++dst = *src; | |
1550 | items_count = dst + 1 - items; | |
1551 | } | |
1552 | ||
1553 | if (select_mode == multiple_symbols_cancel && items_count > 1) | |
f8eba3c6 TT |
1554 | error (_("canceled because the command is ambiguous\n" |
1555 | "See set/show multiple-symbol.")); | |
1556 | ||
33f448b1 | 1557 | if (select_mode == multiple_symbols_all || items_count == 1) |
50641945 | 1558 | { |
f8eba3c6 TT |
1559 | do_cleanups (old_chain); |
1560 | convert_results_to_lsals (self, result); | |
1561 | return; | |
50641945 FN |
1562 | } |
1563 | ||
f8eba3c6 | 1564 | printf_unfiltered (_("[0] cancel\n[1] all\n")); |
33f448b1 JK |
1565 | for (i = 0; i < items_count; i++) |
1566 | printf_unfiltered ("[%d] %s\n", i + 2, items[i].displayform); | |
f8eba3c6 TT |
1567 | |
1568 | prompt = getenv ("PS2"); | |
1569 | if (prompt == NULL) | |
50641945 | 1570 | { |
f8eba3c6 | 1571 | prompt = "> "; |
50641945 | 1572 | } |
f8eba3c6 | 1573 | args = command_line_input (prompt, 0, "overload-choice"); |
50641945 FN |
1574 | |
1575 | if (args == 0 || *args == 0) | |
e2e0b3e5 | 1576 | error_no_arg (_("one or more choice numbers")); |
50641945 | 1577 | |
bfd28288 PA |
1578 | number_or_range_parser parser (args); |
1579 | while (!parser.finished ()) | |
50641945 | 1580 | { |
bfd28288 | 1581 | int num = parser.get_number (); |
50641945 FN |
1582 | |
1583 | if (num == 0) | |
8a3fe4f8 | 1584 | error (_("canceled")); |
50641945 FN |
1585 | else if (num == 1) |
1586 | { | |
f8eba3c6 TT |
1587 | /* We intentionally make this result in a single breakpoint, |
1588 | contrary to what older versions of gdb did. The | |
1589 | rationale is that this lets a user get the | |
1590 | multiple_symbols_all behavior even with the 'ask' | |
1591 | setting; and he can get separate breakpoints by entering | |
1592 | "2-57" at the query. */ | |
1593 | do_cleanups (old_chain); | |
1594 | convert_results_to_lsals (self, result); | |
1595 | return; | |
50641945 FN |
1596 | } |
1597 | ||
f8eba3c6 | 1598 | num -= 2; |
33f448b1 | 1599 | if (num >= items_count) |
f8eba3c6 | 1600 | printf_unfiltered (_("No choice number %d.\n"), num); |
50641945 FN |
1601 | else |
1602 | { | |
33f448b1 | 1603 | struct decode_line_2_item *item = &items[num]; |
f8eba3c6 | 1604 | |
33f448b1 | 1605 | if (!item->selected) |
50641945 | 1606 | { |
33f448b1 JK |
1607 | VEC_safe_push (const_char_ptr, filters, item->fullform); |
1608 | item->selected = 1; | |
50641945 FN |
1609 | } |
1610 | else | |
1611 | { | |
3e43a32a | 1612 | printf_unfiltered (_("duplicate request for %d ignored.\n"), |
f6f99966 | 1613 | num + 2); |
50641945 FN |
1614 | } |
1615 | } | |
50641945 | 1616 | } |
f8eba3c6 TT |
1617 | |
1618 | filter_results (self, result, filters); | |
1619 | do_cleanups (old_chain); | |
50641945 | 1620 | } |
94af9270 | 1621 | |
40e084e1 | 1622 | \f |
3d50dd94 | 1623 | |
40e084e1 KS |
1624 | /* The parser of linespec itself. */ |
1625 | ||
1626 | /* Throw an appropriate error when SYMBOL is not found (optionally in | |
1627 | FILENAME). */ | |
1628 | ||
1629 | static void ATTRIBUTE_NORETURN | |
5d94e27b | 1630 | symbol_not_found_error (const char *symbol, const char *filename) |
3d50dd94 | 1631 | { |
40e084e1 KS |
1632 | if (symbol == NULL) |
1633 | symbol = ""; | |
1634 | ||
1635 | if (!have_full_symbols () | |
1636 | && !have_partial_symbols () | |
1637 | && !have_minimal_symbols ()) | |
1638 | throw_error (NOT_FOUND_ERROR, | |
1639 | _("No symbol table is loaded. Use the \"file\" command.")); | |
1640 | ||
1641 | /* If SYMBOL starts with '$', the user attempted to either lookup | |
1642 | a function/variable in his code starting with '$' or an internal | |
1643 | variable of that name. Since we do not know which, be concise and | |
1644 | explain both possibilities. */ | |
1645 | if (*symbol == '$') | |
1646 | { | |
1647 | if (filename) | |
1648 | throw_error (NOT_FOUND_ERROR, | |
1649 | _("Undefined convenience variable or function \"%s\" " | |
1650 | "not defined in \"%s\"."), symbol, filename); | |
1651 | else | |
1652 | throw_error (NOT_FOUND_ERROR, | |
1653 | _("Undefined convenience variable or function \"%s\" " | |
1654 | "not defined."), symbol); | |
1655 | } | |
1656 | else | |
1657 | { | |
1658 | if (filename) | |
1659 | throw_error (NOT_FOUND_ERROR, | |
1660 | _("Function \"%s\" not defined in \"%s\"."), | |
1661 | symbol, filename); | |
1662 | else | |
1663 | throw_error (NOT_FOUND_ERROR, | |
1664 | _("Function \"%s\" not defined."), symbol); | |
1665 | } | |
3d50dd94 JK |
1666 | } |
1667 | ||
40e084e1 KS |
1668 | /* Throw an appropriate error when an unexpected token is encountered |
1669 | in the input. */ | |
94af9270 | 1670 | |
40e084e1 KS |
1671 | static void ATTRIBUTE_NORETURN |
1672 | unexpected_linespec_error (linespec_parser *parser) | |
94af9270 | 1673 | { |
40e084e1 KS |
1674 | linespec_token token; |
1675 | static const char * token_type_strings[] | |
1676 | = {"keyword", "colon", "string", "number", "comma", "end of input"}; | |
94af9270 | 1677 | |
40e084e1 KS |
1678 | /* Get the token that generated the error. */ |
1679 | token = linespec_lexer_lex_one (parser); | |
94af9270 | 1680 | |
40e084e1 KS |
1681 | /* Finally, throw the error. */ |
1682 | if (token.type == LSTOKEN_STRING || token.type == LSTOKEN_NUMBER | |
1683 | || token.type == LSTOKEN_KEYWORD) | |
94af9270 | 1684 | { |
40e084e1 | 1685 | char *string; |
40e084e1 KS |
1686 | |
1687 | string = copy_token_string (token); | |
78cc6c2d | 1688 | make_cleanup (xfree, string); |
40e084e1 KS |
1689 | throw_error (GENERIC_ERROR, |
1690 | _("malformed linespec error: unexpected %s, \"%s\""), | |
1691 | token_type_strings[token.type], string); | |
1692 | } | |
1693 | else | |
1694 | throw_error (GENERIC_ERROR, | |
1695 | _("malformed linespec error: unexpected %s"), | |
1696 | token_type_strings[token.type]); | |
1697 | } | |
1698 | ||
00e52e53 KS |
1699 | /* Throw an undefined label error. */ |
1700 | ||
1701 | static void ATTRIBUTE_NORETURN | |
1702 | undefined_label_error (const char *function, const char *label) | |
1703 | { | |
1704 | if (function != NULL) | |
1705 | throw_error (NOT_FOUND_ERROR, | |
1706 | _("No label \"%s\" defined in function \"%s\"."), | |
1707 | label, function); | |
1708 | else | |
1709 | throw_error (NOT_FOUND_ERROR, | |
1710 | _("No label \"%s\" defined in current function."), | |
1711 | label); | |
1712 | } | |
1713 | ||
1714 | /* Throw a source file not found error. */ | |
1715 | ||
1716 | static void ATTRIBUTE_NORETURN | |
1717 | source_file_not_found_error (const char *name) | |
1718 | { | |
1719 | throw_error (NOT_FOUND_ERROR, _("No source file named %s."), name); | |
1720 | } | |
1721 | ||
c45ec17c PA |
1722 | /* Unless at EIO, save the current stream position as completion word |
1723 | point, and consume the next token. */ | |
1724 | ||
1725 | static linespec_token | |
1726 | save_stream_and_consume_token (linespec_parser *parser) | |
1727 | { | |
1728 | if (linespec_lexer_peek_token (parser).type != LSTOKEN_EOI) | |
1729 | parser->completion_word = PARSER_STREAM (parser); | |
1730 | return linespec_lexer_consume_token (parser); | |
1731 | } | |
1732 | ||
87f0e720 | 1733 | /* See description in linespec.h. */ |
40e084e1 | 1734 | |
87f0e720 | 1735 | struct line_offset |
09cf2b22 | 1736 | linespec_parse_line_offset (const char *string) |
40e084e1 | 1737 | { |
87f0e720 | 1738 | const char *start = string; |
40e084e1 KS |
1739 | struct line_offset line_offset = {0, LINE_OFFSET_NONE}; |
1740 | ||
1741 | if (*string == '+') | |
1742 | { | |
1743 | line_offset.sign = LINE_OFFSET_PLUS; | |
1744 | ++string; | |
1745 | } | |
1746 | else if (*string == '-') | |
1747 | { | |
1748 | line_offset.sign = LINE_OFFSET_MINUS; | |
1749 | ++string; | |
1750 | } | |
1751 | ||
87f0e720 KS |
1752 | if (*string != '\0' && !isdigit (*string)) |
1753 | error (_("malformed line offset: \"%s\""), start); | |
1754 | ||
40e084e1 KS |
1755 | /* Right now, we only allow base 10 for offsets. */ |
1756 | line_offset.offset = atoi (string); | |
1757 | return line_offset; | |
1758 | } | |
1759 | ||
c45ec17c PA |
1760 | /* In completion mode, if the user is still typing the number, there's |
1761 | no possible completion to offer. But if there's already input past | |
1762 | the number, setup to expect NEXT. */ | |
1763 | ||
1764 | static void | |
1765 | set_completion_after_number (linespec_parser *parser, | |
1766 | linespec_complete_what next) | |
1767 | { | |
1768 | if (*PARSER_STREAM (parser) == ' ') | |
1769 | { | |
f1735a53 | 1770 | parser->completion_word = skip_spaces (PARSER_STREAM (parser) + 1); |
c45ec17c PA |
1771 | parser->complete_what = next; |
1772 | } | |
1773 | else | |
1774 | { | |
1775 | parser->completion_word = PARSER_STREAM (parser); | |
1776 | parser->complete_what = linespec_complete_what::NOTHING; | |
1777 | } | |
1778 | } | |
1779 | ||
40e084e1 KS |
1780 | /* Parse the basic_spec in PARSER's input. */ |
1781 | ||
1782 | static void | |
1783 | linespec_parse_basic (linespec_parser *parser) | |
1784 | { | |
1785 | char *name; | |
1786 | linespec_token token; | |
1787 | VEC (symbolp) *symbols, *labels; | |
f60e2d5c | 1788 | VEC (bound_minimal_symbol_d) *minimal_symbols; |
40e084e1 KS |
1789 | struct cleanup *cleanup; |
1790 | ||
1791 | /* Get the next token. */ | |
1792 | token = linespec_lexer_lex_one (parser); | |
1793 | ||
1794 | /* If it is EOI or KEYWORD, issue an error. */ | |
c45ec17c PA |
1795 | if (token.type == LSTOKEN_KEYWORD) |
1796 | { | |
1797 | parser->complete_what = linespec_complete_what::NOTHING; | |
1798 | unexpected_linespec_error (parser); | |
1799 | } | |
1800 | else if (token.type == LSTOKEN_EOI) | |
1801 | { | |
1802 | unexpected_linespec_error (parser); | |
1803 | } | |
40e084e1 KS |
1804 | /* If it is a LSTOKEN_NUMBER, we have an offset. */ |
1805 | else if (token.type == LSTOKEN_NUMBER) | |
1806 | { | |
c45ec17c PA |
1807 | set_completion_after_number (parser, linespec_complete_what::KEYWORD); |
1808 | ||
40e084e1 KS |
1809 | /* Record the line offset and get the next token. */ |
1810 | name = copy_token_string (token); | |
1811 | cleanup = make_cleanup (xfree, name); | |
00e52e53 | 1812 | PARSER_EXPLICIT (parser)->line_offset = linespec_parse_line_offset (name); |
40e084e1 KS |
1813 | do_cleanups (cleanup); |
1814 | ||
1815 | /* Get the next token. */ | |
1816 | token = linespec_lexer_consume_token (parser); | |
1817 | ||
1818 | /* If the next token is a comma, stop parsing and return. */ | |
1819 | if (token.type == LSTOKEN_COMMA) | |
c45ec17c PA |
1820 | { |
1821 | parser->complete_what = linespec_complete_what::NOTHING; | |
1822 | return; | |
1823 | } | |
40e084e1 KS |
1824 | |
1825 | /* If the next token is anything but EOI or KEYWORD, issue | |
1826 | an error. */ | |
1827 | if (token.type != LSTOKEN_KEYWORD && token.type != LSTOKEN_EOI) | |
1828 | unexpected_linespec_error (parser); | |
1829 | } | |
1830 | ||
1831 | if (token.type == LSTOKEN_KEYWORD || token.type == LSTOKEN_EOI) | |
1832 | return; | |
1833 | ||
1834 | /* Next token must be LSTOKEN_STRING. */ | |
1835 | if (token.type != LSTOKEN_STRING) | |
c45ec17c PA |
1836 | { |
1837 | parser->complete_what = linespec_complete_what::NOTHING; | |
1838 | unexpected_linespec_error (parser); | |
1839 | } | |
40e084e1 KS |
1840 | |
1841 | /* The current token will contain the name of a function, method, | |
1842 | or label. */ | |
c45ec17c PA |
1843 | name = copy_token_string (token); |
1844 | cleanup = make_cleanup (free_current_contents, &name); | |
1845 | ||
1846 | if (parser->completion_tracker != NULL) | |
1847 | { | |
1848 | /* If the function name ends with a ":", then this may be an | |
1849 | incomplete "::" scope operator instead of a label separator. | |
1850 | E.g., | |
1851 | "b klass:<tab>" | |
1852 | which should expand to: | |
1853 | "b klass::method()" | |
1854 | ||
1855 | Do a tentative completion assuming the later. If we find | |
1856 | completions, advance the stream past the colon token and make | |
1857 | it part of the function name/token. */ | |
1858 | ||
1859 | if (!parser->completion_quote_char | |
1860 | && strcmp (PARSER_STREAM (parser), ":") == 0) | |
1861 | { | |
1862 | completion_tracker tmp_tracker; | |
1863 | const char *source_filename | |
1864 | = PARSER_EXPLICIT (parser)->source_filename; | |
1865 | ||
1866 | linespec_complete_function (tmp_tracker, | |
1867 | parser->completion_word, | |
1868 | source_filename); | |
1869 | ||
1870 | if (tmp_tracker.have_completions ()) | |
1871 | { | |
1872 | PARSER_STREAM (parser)++; | |
1873 | LS_TOKEN_STOKEN (token).length++; | |
1874 | ||
1875 | xfree (name); | |
1876 | name = savestring (parser->completion_word, | |
1877 | (PARSER_STREAM (parser) | |
1878 | - parser->completion_word)); | |
1879 | } | |
1880 | } | |
1881 | ||
1882 | PARSER_EXPLICIT (parser)->function_name = name; | |
1883 | discard_cleanups (cleanup); | |
1884 | } | |
1885 | else | |
1886 | { | |
1887 | /* XXX Reindent before pushing. */ | |
40e084e1 KS |
1888 | |
1889 | /* Try looking it up as a function/method. */ | |
1890 | find_linespec_symbols (PARSER_STATE (parser), | |
1891 | PARSER_RESULT (parser)->file_symtabs, name, | |
1892 | &symbols, &minimal_symbols); | |
1893 | ||
1894 | if (symbols != NULL || minimal_symbols != NULL) | |
1895 | { | |
1896 | PARSER_RESULT (parser)->function_symbols = symbols; | |
1897 | PARSER_RESULT (parser)->minimal_symbols = minimal_symbols; | |
00e52e53 | 1898 | PARSER_EXPLICIT (parser)->function_name = name; |
40e084e1 KS |
1899 | symbols = NULL; |
1900 | discard_cleanups (cleanup); | |
1901 | } | |
1902 | else | |
1903 | { | |
1904 | /* NAME was not a function or a method. So it must be a label | |
b4013987 | 1905 | name or user specified variable like "break foo.c:$zippo". */ |
40e084e1 KS |
1906 | labels = find_label_symbols (PARSER_STATE (parser), NULL, |
1907 | &symbols, name); | |
1908 | if (labels != NULL) | |
94af9270 | 1909 | { |
40e084e1 KS |
1910 | PARSER_RESULT (parser)->labels.label_symbols = labels; |
1911 | PARSER_RESULT (parser)->labels.function_symbols = symbols; | |
00e52e53 | 1912 | PARSER_EXPLICIT (parser)->label_name = name; |
40e084e1 KS |
1913 | symbols = NULL; |
1914 | discard_cleanups (cleanup); | |
1915 | } | |
b4013987 AA |
1916 | else if (token.type == LSTOKEN_STRING |
1917 | && *LS_TOKEN_STOKEN (token).ptr == '$') | |
1918 | { | |
1919 | /* User specified a convenience variable or history value. */ | |
00e52e53 | 1920 | PARSER_EXPLICIT (parser)->line_offset |
b4013987 AA |
1921 | = linespec_parse_variable (PARSER_STATE (parser), name); |
1922 | ||
00e52e53 | 1923 | if (PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN) |
b4013987 AA |
1924 | { |
1925 | /* The user-specified variable was not valid. Do not | |
1926 | throw an error here. parse_linespec will do it for us. */ | |
00e52e53 | 1927 | PARSER_EXPLICIT (parser)->function_name = name; |
b4013987 AA |
1928 | discard_cleanups (cleanup); |
1929 | return; | |
1930 | } | |
c888a17d KS |
1931 | |
1932 | /* The convenience variable/history value parsed correctly. | |
1933 | NAME is no longer needed. */ | |
1934 | do_cleanups (cleanup); | |
b4013987 | 1935 | } |
40e084e1 KS |
1936 | else |
1937 | { | |
1938 | /* The name is also not a label. Abort parsing. Do not throw | |
1939 | an error here. parse_linespec will do it for us. */ | |
1940 | ||
1941 | /* Save a copy of the name we were trying to lookup. */ | |
00e52e53 | 1942 | PARSER_EXPLICIT (parser)->function_name = name; |
40e084e1 KS |
1943 | discard_cleanups (cleanup); |
1944 | return; | |
1945 | } | |
1946 | } | |
c45ec17c PA |
1947 | } |
1948 | ||
1949 | int previous_qc = parser->completion_quote_char; | |
40e084e1 KS |
1950 | |
1951 | /* Get the next token. */ | |
1952 | token = linespec_lexer_consume_token (parser); | |
1953 | ||
c45ec17c PA |
1954 | if (token.type == LSTOKEN_EOI) |
1955 | { | |
1956 | if (previous_qc && !parser->completion_quote_char) | |
1957 | parser->complete_what = linespec_complete_what::KEYWORD; | |
1958 | } | |
1959 | else if (token.type == LSTOKEN_COLON) | |
40e084e1 KS |
1960 | { |
1961 | /* User specified a label or a lineno. */ | |
1962 | token = linespec_lexer_consume_token (parser); | |
1963 | ||
1964 | if (token.type == LSTOKEN_NUMBER) | |
1965 | { | |
1966 | /* User specified an offset. Record the line offset and | |
1967 | get the next token. */ | |
c45ec17c PA |
1968 | set_completion_after_number (parser, linespec_complete_what::KEYWORD); |
1969 | ||
40e084e1 KS |
1970 | name = copy_token_string (token); |
1971 | cleanup = make_cleanup (xfree, name); | |
00e52e53 | 1972 | PARSER_EXPLICIT (parser)->line_offset |
40e084e1 KS |
1973 | = linespec_parse_line_offset (name); |
1974 | do_cleanups (cleanup); | |
1975 | ||
c45ec17c | 1976 | /* Get the next token. */ |
40e084e1 KS |
1977 | token = linespec_lexer_consume_token (parser); |
1978 | } | |
c45ec17c PA |
1979 | else if (token.type == LSTOKEN_EOI && parser->completion_tracker != NULL) |
1980 | { | |
1981 | parser->complete_what = linespec_complete_what::LABEL; | |
1982 | } | |
40e084e1 KS |
1983 | else if (token.type == LSTOKEN_STRING) |
1984 | { | |
c45ec17c PA |
1985 | parser->complete_what = linespec_complete_what::LABEL; |
1986 | ||
1987 | /* If we have text after the label separated by whitespace | |
1988 | (e.g., "b func():lab i<tab>"), don't consider it part of | |
1989 | the label. In completion mode that should complete to | |
1990 | "if", in normal mode, the 'i' should be treated as | |
1991 | garbage. */ | |
1992 | if (parser->completion_quote_char == '\0') | |
1993 | { | |
1994 | const char *ptr = LS_TOKEN_STOKEN (token).ptr; | |
1995 | for (size_t i = 0; i < LS_TOKEN_STOKEN (token).length; i++) | |
1996 | { | |
1997 | if (ptr[i] == ' ') | |
1998 | { | |
1999 | LS_TOKEN_STOKEN (token).length = i; | |
f1735a53 | 2000 | PARSER_STREAM (parser) = skip_spaces (ptr + i + 1); |
c45ec17c PA |
2001 | break; |
2002 | } | |
2003 | } | |
2004 | } | |
2005 | ||
2006 | if (parser->completion_tracker != NULL) | |
2007 | { | |
2008 | if (PARSER_STREAM (parser)[-1] == ' ') | |
2009 | { | |
2010 | parser->completion_word = PARSER_STREAM (parser); | |
2011 | parser->complete_what = linespec_complete_what::KEYWORD; | |
2012 | } | |
2013 | } | |
2014 | else | |
2015 | { | |
2016 | /* XXX Reindent before pushing. */ | |
2017 | ||
40e084e1 KS |
2018 | /* Grab a copy of the label's name and look it up. */ |
2019 | name = copy_token_string (token); | |
2020 | cleanup = make_cleanup (xfree, name); | |
2021 | labels = find_label_symbols (PARSER_STATE (parser), | |
2022 | PARSER_RESULT (parser)->function_symbols, | |
2023 | &symbols, name); | |
2024 | ||
2025 | if (labels != NULL) | |
94af9270 | 2026 | { |
40e084e1 KS |
2027 | PARSER_RESULT (parser)->labels.label_symbols = labels; |
2028 | PARSER_RESULT (parser)->labels.function_symbols = symbols; | |
00e52e53 | 2029 | PARSER_EXPLICIT (parser)->label_name = name; |
40e084e1 KS |
2030 | symbols = NULL; |
2031 | discard_cleanups (cleanup); | |
2032 | } | |
2033 | else | |
2034 | { | |
2035 | /* We don't know what it was, but it isn't a label. */ | |
00e52e53 KS |
2036 | undefined_label_error (PARSER_EXPLICIT (parser)->function_name, |
2037 | name); | |
40e084e1 KS |
2038 | } |
2039 | ||
c45ec17c PA |
2040 | } |
2041 | ||
40e084e1 | 2042 | /* Check for a line offset. */ |
c45ec17c | 2043 | token = save_stream_and_consume_token (parser); |
40e084e1 KS |
2044 | if (token.type == LSTOKEN_COLON) |
2045 | { | |
2046 | /* Get the next token. */ | |
2047 | token = linespec_lexer_consume_token (parser); | |
2048 | ||
2049 | /* It must be a line offset. */ | |
2050 | if (token.type != LSTOKEN_NUMBER) | |
2051 | unexpected_linespec_error (parser); | |
2052 | ||
c6756f62 | 2053 | /* Record the line offset and get the next token. */ |
40e084e1 KS |
2054 | name = copy_token_string (token); |
2055 | cleanup = make_cleanup (xfree, name); | |
2056 | ||
00e52e53 | 2057 | PARSER_EXPLICIT (parser)->line_offset |
40e084e1 KS |
2058 | = linespec_parse_line_offset (name); |
2059 | do_cleanups (cleanup); | |
2060 | ||
2061 | /* Get the next token. */ | |
2062 | token = linespec_lexer_consume_token (parser); | |
94af9270 KS |
2063 | } |
2064 | } | |
40e084e1 KS |
2065 | else |
2066 | { | |
2067 | /* Trailing ':' in the input. Issue an error. */ | |
2068 | unexpected_linespec_error (parser); | |
2069 | } | |
94af9270 | 2070 | } |
40e084e1 | 2071 | } |
94af9270 | 2072 | |
40e084e1 | 2073 | /* Canonicalize the linespec contained in LS. The result is saved into |
00e52e53 KS |
2074 | STATE->canonical. This function handles both linespec and explicit |
2075 | locations. */ | |
40e084e1 KS |
2076 | |
2077 | static void | |
f00aae0f | 2078 | canonicalize_linespec (struct linespec_state *state, const linespec_p ls) |
40e084e1 | 2079 | { |
00e52e53 | 2080 | struct event_location *canon; |
67994074 | 2081 | struct explicit_location *explicit_loc; |
f00aae0f | 2082 | |
40e084e1 KS |
2083 | /* If canonicalization was not requested, no need to do anything. */ |
2084 | if (!state->canonical) | |
2085 | return; | |
2086 | ||
00e52e53 | 2087 | /* Save everything as an explicit location. */ |
8e9e35b1 TT |
2088 | state->canonical->location |
2089 | = new_explicit_location (&ls->explicit_loc); | |
2090 | canon = state->canonical->location.get (); | |
67994074 | 2091 | explicit_loc = get_explicit_location (canon); |
40e084e1 | 2092 | |
67994074 | 2093 | if (explicit_loc->label_name != NULL) |
a06efdd6 | 2094 | { |
00e52e53 | 2095 | state->canonical->special_display = 1; |
40e084e1 | 2096 | |
67994074 | 2097 | if (explicit_loc->function_name == NULL) |
40e084e1 | 2098 | { |
a06efdd6 KS |
2099 | struct symbol *s; |
2100 | ||
2101 | /* No function was specified, so add the symbol name. */ | |
2102 | gdb_assert (ls->labels.function_symbols != NULL | |
2103 | && (VEC_length (symbolp, ls->labels.function_symbols) | |
2104 | == 1)); | |
2105 | s = VEC_index (symbolp, ls->labels.function_symbols, 0); | |
67994074 | 2106 | explicit_loc->function_name = xstrdup (SYMBOL_NATURAL_NAME (s)); |
40e084e1 | 2107 | } |
a06efdd6 | 2108 | } |
40e084e1 | 2109 | |
00e52e53 KS |
2110 | /* If this location originally came from a linespec, save a string |
2111 | representation of it for display and saving to file. */ | |
2112 | if (state->is_linespec) | |
a06efdd6 | 2113 | { |
67994074 | 2114 | char *linespec = explicit_location_to_linespec (explicit_loc); |
a06efdd6 | 2115 | |
00e52e53 KS |
2116 | set_event_location_string (canon, linespec); |
2117 | xfree (linespec); | |
2118 | } | |
94af9270 | 2119 | } |
c00f8484 | 2120 | |
40e084e1 | 2121 | /* Given a line offset in LS, construct the relevant SALs. */ |
c00f8484 | 2122 | |
6c5b2ebe | 2123 | static std::vector<symtab_and_line> |
40e084e1 KS |
2124 | create_sals_line_offset (struct linespec_state *self, |
2125 | linespec_p ls) | |
c00f8484 | 2126 | { |
40e084e1 | 2127 | int use_default = 0; |
c00f8484 | 2128 | |
40e084e1 KS |
2129 | /* This is where we need to make sure we have good defaults. |
2130 | We must guarantee that this section of code is never executed | |
2e47c6ca | 2131 | when we are called with just a function name, since |
40e084e1 KS |
2132 | set_default_source_symtab_and_line uses |
2133 | select_source_symtab that calls us with such an argument. */ | |
2134 | ||
ec94af83 DE |
2135 | if (VEC_length (symtab_ptr, ls->file_symtabs) == 1 |
2136 | && VEC_index (symtab_ptr, ls->file_symtabs, 0) == NULL) | |
3d50dd94 | 2137 | { |
05cba821 JK |
2138 | const char *fullname; |
2139 | ||
40e084e1 | 2140 | set_current_program_space (self->program_space); |
c00f8484 | 2141 | |
40e084e1 KS |
2142 | /* Make sure we have at least a default source line. */ |
2143 | set_default_source_symtab_and_line (); | |
2144 | initialize_defaults (&self->default_symtab, &self->default_line); | |
05cba821 | 2145 | fullname = symtab_to_fullname (self->default_symtab); |
ec94af83 DE |
2146 | VEC_pop (symtab_ptr, ls->file_symtabs); |
2147 | VEC_free (symtab_ptr, ls->file_symtabs); | |
c2f4122d PA |
2148 | ls->file_symtabs = collect_symtabs_from_filename (fullname, |
2149 | self->search_pspace); | |
40e084e1 KS |
2150 | use_default = 1; |
2151 | } | |
c00f8484 | 2152 | |
51abb421 | 2153 | symtab_and_line val; |
67994074 KS |
2154 | val.line = ls->explicit_loc.line_offset.offset; |
2155 | switch (ls->explicit_loc.line_offset.sign) | |
40e084e1 KS |
2156 | { |
2157 | case LINE_OFFSET_PLUS: | |
67994074 | 2158 | if (ls->explicit_loc.line_offset.offset == 0) |
40e084e1 KS |
2159 | val.line = 5; |
2160 | if (use_default) | |
2161 | val.line = self->default_line + val.line; | |
2162 | break; | |
2163 | ||
2164 | case LINE_OFFSET_MINUS: | |
67994074 | 2165 | if (ls->explicit_loc.line_offset.offset == 0) |
40e084e1 KS |
2166 | val.line = 15; |
2167 | if (use_default) | |
2168 | val.line = self->default_line - val.line; | |
2169 | else | |
2170 | val.line = -val.line; | |
2171 | break; | |
2172 | ||
2173 | case LINE_OFFSET_NONE: | |
2174 | break; /* No need to adjust val.line. */ | |
2175 | } | |
2176 | ||
6c5b2ebe | 2177 | std::vector<symtab_and_line> values; |
40e084e1 | 2178 | if (self->list_mode) |
6c5b2ebe | 2179 | values = decode_digits_list_mode (self, ls, val); |
40e084e1 KS |
2180 | else |
2181 | { | |
2182 | struct linetable_entry *best_entry = NULL; | |
40e084e1 KS |
2183 | int i, j; |
2184 | ||
6c5b2ebe PA |
2185 | std::vector<symtab_and_line> intermediate_results |
2186 | = decode_digits_ordinary (self, ls, val.line, &best_entry); | |
2187 | if (intermediate_results.empty () && best_entry != NULL) | |
2188 | intermediate_results = decode_digits_ordinary (self, ls, | |
2189 | best_entry->line, | |
2190 | &best_entry); | |
40e084e1 KS |
2191 | |
2192 | /* For optimized code, the compiler can scatter one source line | |
2193 | across disjoint ranges of PC values, even when no duplicate | |
2194 | functions or inline functions are involved. For example, | |
2195 | 'for (;;)' inside a non-template, non-inline, and non-ctor-or-dtor | |
2196 | function can result in two PC ranges. In this case, we don't | |
2197 | want to set a breakpoint on the first PC of each range. To filter | |
2198 | such cases, we use containing blocks -- for each PC found | |
2199 | above, we see if there are other PCs that are in the same | |
2200 | block. If yes, the other PCs are filtered out. */ | |
2201 | ||
0fc21fd8 TT |
2202 | gdb::def_vector<int> filter (intermediate_results.size ()); |
2203 | gdb::def_vector<const block *> blocks (intermediate_results.size ()); | |
40e084e1 | 2204 | |
6c5b2ebe | 2205 | for (i = 0; i < intermediate_results.size (); ++i) |
3d50dd94 | 2206 | { |
6c5b2ebe | 2207 | set_current_program_space (intermediate_results[i].pspace); |
c00f8484 | 2208 | |
40e084e1 | 2209 | filter[i] = 1; |
6c5b2ebe PA |
2210 | blocks[i] = block_for_pc_sect (intermediate_results[i].pc, |
2211 | intermediate_results[i].section); | |
3d50dd94 | 2212 | } |
c00f8484 | 2213 | |
6c5b2ebe | 2214 | for (i = 0; i < intermediate_results.size (); ++i) |
40e084e1 KS |
2215 | { |
2216 | if (blocks[i] != NULL) | |
6c5b2ebe | 2217 | for (j = i + 1; j < intermediate_results.size (); ++j) |
40e084e1 KS |
2218 | { |
2219 | if (blocks[j] == blocks[i]) | |
2220 | { | |
2221 | filter[j] = 0; | |
2222 | break; | |
2223 | } | |
2224 | } | |
2225 | } | |
c00f8484 | 2226 | |
6c5b2ebe | 2227 | for (i = 0; i < intermediate_results.size (); ++i) |
40e084e1 KS |
2228 | if (filter[i]) |
2229 | { | |
2230 | struct symbol *sym = (blocks[i] | |
2231 | ? block_containing_function (blocks[i]) | |
2232 | : NULL); | |
3d50dd94 | 2233 | |
40e084e1 | 2234 | if (self->funfirstline) |
6c5b2ebe | 2235 | skip_prologue_sal (&intermediate_results[i]); |
40e084e1 KS |
2236 | /* Make sure the line matches the request, not what was |
2237 | found. */ | |
6c5b2ebe PA |
2238 | intermediate_results[i].line = val.line; |
2239 | add_sal_to_sals (self, &values, &intermediate_results[i], | |
66f1999b | 2240 | sym ? SYMBOL_NATURAL_NAME (sym) : NULL, 0); |
40e084e1 | 2241 | } |
f17170e5 | 2242 | } |
c00f8484 | 2243 | |
6c5b2ebe | 2244 | if (values.empty ()) |
40e084e1 | 2245 | { |
67994074 | 2246 | if (ls->explicit_loc.source_filename) |
40e084e1 | 2247 | throw_error (NOT_FOUND_ERROR, _("No line %d in file \"%s\"."), |
67994074 | 2248 | val.line, ls->explicit_loc.source_filename); |
40e084e1 KS |
2249 | else |
2250 | throw_error (NOT_FOUND_ERROR, _("No line %d in the current file."), | |
2251 | val.line); | |
2252 | } | |
3d50dd94 | 2253 | |
40e084e1 | 2254 | return values; |
c00f8484 KS |
2255 | } |
2256 | ||
a06efdd6 KS |
2257 | /* Convert the given ADDRESS into SaLs. */ |
2258 | ||
6c5b2ebe | 2259 | static std::vector<symtab_and_line> |
a06efdd6 KS |
2260 | convert_address_location_to_sals (struct linespec_state *self, |
2261 | CORE_ADDR address) | |
2262 | { | |
6c5b2ebe | 2263 | symtab_and_line sal = find_pc_line (address, 0); |
a06efdd6 KS |
2264 | sal.pc = address; |
2265 | sal.section = find_pc_overlay (address); | |
2266 | sal.explicit_pc = 1; | |
6c5b2ebe PA |
2267 | |
2268 | std::vector<symtab_and_line> sals; | |
a06efdd6 KS |
2269 | add_sal_to_sals (self, &sals, &sal, core_addr_to_string (address), 1); |
2270 | ||
2271 | return sals; | |
2272 | } | |
2273 | ||
40e084e1 KS |
2274 | /* Create and return SALs from the linespec LS. */ |
2275 | ||
6c5b2ebe | 2276 | static std::vector<symtab_and_line> |
40e084e1 KS |
2277 | convert_linespec_to_sals (struct linespec_state *state, linespec_p ls) |
2278 | { | |
6c5b2ebe | 2279 | std::vector<symtab_and_line> sals; |
40e084e1 | 2280 | |
a06efdd6 | 2281 | if (ls->labels.label_symbols != NULL) |
40e084e1 KS |
2282 | { |
2283 | /* We have just a bunch of functions/methods or labels. */ | |
2284 | int i; | |
2285 | struct symtab_and_line sal; | |
2286 | struct symbol *sym; | |
2287 | ||
2288 | for (i = 0; VEC_iterate (symbolp, ls->labels.label_symbols, i, sym); ++i) | |
2289 | { | |
08be3fe3 | 2290 | struct program_space *pspace = SYMTAB_PSPACE (symbol_symtab (sym)); |
fdbb204b TT |
2291 | |
2292 | if (symbol_to_sal (&sal, state->funfirstline, sym) | |
2293 | && maybe_add_address (state->addr_set, pspace, sal.pc)) | |
64b92e45 KS |
2294 | add_sal_to_sals (state, &sals, &sal, |
2295 | SYMBOL_NATURAL_NAME (sym), 0); | |
40e084e1 KS |
2296 | } |
2297 | } | |
2298 | else if (ls->function_symbols != NULL || ls->minimal_symbols != NULL) | |
2299 | { | |
2300 | /* We have just a bunch of functions and/or methods. */ | |
2301 | int i; | |
2302 | struct symtab_and_line sal; | |
2303 | struct symbol *sym; | |
f60e2d5c | 2304 | bound_minimal_symbol_d *elem; |
40e084e1 KS |
2305 | struct program_space *pspace; |
2306 | ||
2307 | if (ls->function_symbols != NULL) | |
2308 | { | |
2309 | /* Sort symbols so that symbols with the same program space are next | |
2310 | to each other. */ | |
2311 | qsort (VEC_address (symbolp, ls->function_symbols), | |
2312 | VEC_length (symbolp, ls->function_symbols), | |
2313 | sizeof (symbolp), compare_symbols); | |
2314 | ||
2315 | for (i = 0; VEC_iterate (symbolp, ls->function_symbols, i, sym); ++i) | |
2316 | { | |
08be3fe3 | 2317 | pspace = SYMTAB_PSPACE (symbol_symtab (sym)); |
40e084e1 | 2318 | set_current_program_space (pspace); |
64b92e45 KS |
2319 | if (symbol_to_sal (&sal, state->funfirstline, sym) |
2320 | && maybe_add_address (state->addr_set, pspace, sal.pc)) | |
66f1999b KS |
2321 | add_sal_to_sals (state, &sals, &sal, |
2322 | SYMBOL_NATURAL_NAME (sym), 0); | |
40e084e1 KS |
2323 | } |
2324 | } | |
2325 | ||
2326 | if (ls->minimal_symbols != NULL) | |
2327 | { | |
2328 | /* Sort minimal symbols by program space, too. */ | |
f60e2d5c TT |
2329 | qsort (VEC_address (bound_minimal_symbol_d, ls->minimal_symbols), |
2330 | VEC_length (bound_minimal_symbol_d, ls->minimal_symbols), | |
2331 | sizeof (bound_minimal_symbol_d), compare_msymbols); | |
40e084e1 KS |
2332 | |
2333 | for (i = 0; | |
f60e2d5c TT |
2334 | VEC_iterate (bound_minimal_symbol_d, ls->minimal_symbols, |
2335 | i, elem); | |
40e084e1 KS |
2336 | ++i) |
2337 | { | |
001822aa | 2338 | pspace = elem->objfile->pspace; |
40e084e1 KS |
2339 | set_current_program_space (pspace); |
2340 | minsym_found (state, elem->objfile, elem->minsym, &sals); | |
2341 | } | |
2342 | } | |
2343 | } | |
67994074 | 2344 | else if (ls->explicit_loc.line_offset.sign != LINE_OFFSET_UNKNOWN) |
40e084e1 KS |
2345 | { |
2346 | /* Only an offset was specified. */ | |
2347 | sals = create_sals_line_offset (state, ls); | |
2348 | ||
2349 | /* Make sure we have a filename for canonicalization. */ | |
67994074 | 2350 | if (ls->explicit_loc.source_filename == NULL) |
05cba821 JK |
2351 | { |
2352 | const char *fullname = symtab_to_fullname (state->default_symtab); | |
2353 | ||
e93ba630 JK |
2354 | /* It may be more appropriate to keep DEFAULT_SYMTAB in its symtab |
2355 | form so that displaying SOURCE_FILENAME can follow the current | |
2356 | FILENAME_DISPLAY_STRING setting. But as it is used only rarely | |
2357 | it has been kept for code simplicity only in absolute form. */ | |
67994074 | 2358 | ls->explicit_loc.source_filename = xstrdup (fullname); |
05cba821 | 2359 | } |
40e084e1 KS |
2360 | } |
2361 | else | |
2362 | { | |
2363 | /* We haven't found any results... */ | |
2364 | return sals; | |
2365 | } | |
2366 | ||
2367 | canonicalize_linespec (state, ls); | |
2368 | ||
6c5b2ebe | 2369 | if (!sals.empty () && state->canonical != NULL) |
40e084e1 KS |
2370 | state->canonical->pre_expanded = 1; |
2371 | ||
2372 | return sals; | |
2373 | } | |
50641945 | 2374 | |
a2459270 PA |
2375 | /* Build RESULT from the explicit location components SOURCE_FILENAME, |
2376 | FUNCTION_NAME, LABEL_NAME and LINE_OFFSET. */ | |
00e52e53 | 2377 | |
a2459270 PA |
2378 | static void |
2379 | convert_explicit_location_to_linespec (struct linespec_state *self, | |
2380 | linespec_p result, | |
2381 | const char *source_filename, | |
2382 | const char *function_name, | |
2383 | const char *label_name, | |
2384 | struct line_offset line_offset) | |
00e52e53 KS |
2385 | { |
2386 | VEC (symbolp) *symbols, *labels; | |
2387 | VEC (bound_minimal_symbol_d) *minimal_symbols; | |
2388 | ||
a2459270 | 2389 | if (source_filename != NULL) |
00e52e53 KS |
2390 | { |
2391 | TRY | |
2392 | { | |
2393 | result->file_symtabs | |
a2459270 | 2394 | = symtabs_from_filename (source_filename, self->search_pspace); |
00e52e53 KS |
2395 | } |
2396 | CATCH (except, RETURN_MASK_ERROR) | |
2397 | { | |
a2459270 | 2398 | source_file_not_found_error (source_filename); |
00e52e53 KS |
2399 | } |
2400 | END_CATCH | |
a2459270 | 2401 | result->explicit_loc.source_filename = xstrdup (source_filename); |
00e52e53 KS |
2402 | } |
2403 | else | |
2404 | { | |
2405 | /* A NULL entry means to use the default symtab. */ | |
2406 | VEC_safe_push (symtab_ptr, result->file_symtabs, NULL); | |
2407 | } | |
2408 | ||
a2459270 | 2409 | if (function_name != NULL) |
00e52e53 KS |
2410 | { |
2411 | find_linespec_symbols (self, result->file_symtabs, | |
a2459270 | 2412 | function_name, &symbols, |
00e52e53 KS |
2413 | &minimal_symbols); |
2414 | ||
2415 | if (symbols == NULL && minimal_symbols == NULL) | |
a2459270 | 2416 | symbol_not_found_error (function_name, |
67994074 | 2417 | result->explicit_loc.source_filename); |
00e52e53 | 2418 | |
a2459270 | 2419 | result->explicit_loc.function_name = xstrdup (function_name); |
00e52e53 KS |
2420 | result->function_symbols = symbols; |
2421 | result->minimal_symbols = minimal_symbols; | |
2422 | } | |
2423 | ||
a2459270 | 2424 | if (label_name != NULL) |
00e52e53 KS |
2425 | { |
2426 | symbols = NULL; | |
2427 | labels = find_label_symbols (self, result->function_symbols, | |
a2459270 | 2428 | &symbols, label_name); |
00e52e53 KS |
2429 | |
2430 | if (labels == NULL) | |
67994074 | 2431 | undefined_label_error (result->explicit_loc.function_name, |
a2459270 | 2432 | label_name); |
00e52e53 | 2433 | |
a2459270 | 2434 | result->explicit_loc.label_name = xstrdup (label_name); |
00e52e53 KS |
2435 | result->labels.label_symbols = labels; |
2436 | result->labels.function_symbols = symbols; | |
2437 | } | |
2438 | ||
a2459270 PA |
2439 | if (line_offset.sign != LINE_OFFSET_UNKNOWN) |
2440 | result->explicit_loc.line_offset = line_offset; | |
2441 | } | |
00e52e53 | 2442 | |
a2459270 PA |
2443 | /* Convert the explicit location EXPLICIT_LOC into SaLs. */ |
2444 | ||
6c5b2ebe | 2445 | static std::vector<symtab_and_line> |
a2459270 PA |
2446 | convert_explicit_location_to_sals (struct linespec_state *self, |
2447 | linespec_p result, | |
2448 | const struct explicit_location *explicit_loc) | |
2449 | { | |
2450 | convert_explicit_location_to_linespec (self, result, | |
2451 | explicit_loc->source_filename, | |
2452 | explicit_loc->function_name, | |
2453 | explicit_loc->label_name, | |
2454 | explicit_loc->line_offset); | |
2455 | return convert_linespec_to_sals (self, result); | |
00e52e53 KS |
2456 | } |
2457 | ||
40e084e1 | 2458 | /* Parse a string that specifies a linespec. |
50641945 | 2459 | |
40e084e1 | 2460 | The basic grammar of linespecs: |
50641945 | 2461 | |
a06efdd6 | 2462 | linespec -> var_spec | basic_spec |
40e084e1 | 2463 | var_spec -> '$' (STRING | NUMBER) |
50641945 | 2464 | |
40e084e1 KS |
2465 | basic_spec -> file_offset_spec | function_spec | label_spec |
2466 | file_offset_spec -> opt_file_spec offset_spec | |
2467 | function_spec -> opt_file_spec function_name_spec opt_label_spec | |
2468 | label_spec -> label_name_spec | |
50641945 | 2469 | |
40e084e1 KS |
2470 | opt_file_spec -> "" | file_name_spec ':' |
2471 | opt_label_spec -> "" | ':' label_name_spec | |
2472 | ||
2473 | file_name_spec -> STRING | |
2474 | function_name_spec -> STRING | |
2475 | label_name_spec -> STRING | |
2476 | function_name_spec -> STRING | |
2477 | offset_spec -> NUMBER | |
2478 | -> '+' NUMBER | |
2479 | -> '-' NUMBER | |
2480 | ||
2481 | This may all be followed by several keywords such as "if EXPR", | |
2482 | which we ignore. | |
2483 | ||
2484 | A comma will terminate parsing. | |
2485 | ||
2486 | The function may be an undebuggable function found in minimal symbol table. | |
50641945 FN |
2487 | |
2488 | If the argument FUNFIRSTLINE is nonzero, we want the first line | |
2489 | of real code inside a function when a function is specified, and it is | |
2490 | not OK to specify a variable or type to get its line number. | |
2491 | ||
2492 | DEFAULT_SYMTAB specifies the file to use if none is specified. | |
2493 | It defaults to current_source_symtab. | |
2494 | DEFAULT_LINE specifies the line number to use for relative | |
2495 | line numbers (that start with signs). Defaults to current_source_line. | |
2496 | If CANONICAL is non-NULL, store an array of strings containing the canonical | |
1777feb0 | 2497 | line specs there if necessary. Currently overloaded member functions and |
50641945 | 2498 | line numbers or static functions without a filename yield a canonical |
1777feb0 | 2499 | line spec. The array and the line spec strings are allocated on the heap, |
50641945 FN |
2500 | it is the callers responsibility to free them. |
2501 | ||
2502 | Note that it is possible to return zero for the symtab | |
2503 | if no file is validly specified. Callers must check that. | |
58438ac1 | 2504 | Also, the line number returned may be invalid. */ |
50641945 | 2505 | |
f00aae0f | 2506 | /* Parse the linespec in ARG. */ |
50641945 | 2507 | |
6c5b2ebe | 2508 | static std::vector<symtab_and_line> |
f00aae0f | 2509 | parse_linespec (linespec_parser *parser, const char *arg) |
50641945 | 2510 | { |
40e084e1 | 2511 | linespec_token token; |
7556d4a4 | 2512 | struct gdb_exception file_exception = exception_none; |
40e084e1 KS |
2513 | struct cleanup *cleanup; |
2514 | ||
2515 | /* A special case to start. It has become quite popular for | |
2516 | IDEs to work around bugs in the previous parser by quoting | |
2517 | the entire linespec, so we attempt to deal with this nicely. */ | |
2518 | parser->is_quote_enclosed = 0; | |
c45ec17c PA |
2519 | if (parser->completion_tracker == NULL |
2520 | && !is_ada_operator (arg) | |
f00aae0f | 2521 | && strchr (linespec_quote_characters, *arg) != NULL) |
40e084e1 KS |
2522 | { |
2523 | const char *end; | |
9ef07c8c | 2524 | |
f00aae0f | 2525 | end = skip_quote_char (arg + 1, *arg); |
40e084e1 | 2526 | if (end != NULL && is_closing_quote_enclosed (end)) |
136e1c30 | 2527 | { |
f00aae0f | 2528 | /* Here's the special case. Skip ARG past the initial |
40e084e1 | 2529 | quote. */ |
f00aae0f | 2530 | ++arg; |
40e084e1 | 2531 | parser->is_quote_enclosed = 1; |
136e1c30 DE |
2532 | } |
2533 | } | |
e8eb7bc5 | 2534 | |
f00aae0f KS |
2535 | parser->lexer.saved_arg = arg; |
2536 | parser->lexer.stream = arg; | |
c45ec17c PA |
2537 | parser->completion_word = arg; |
2538 | parser->complete_what = linespec_complete_what::FUNCTION; | |
d2630e69 | 2539 | |
40e084e1 KS |
2540 | /* Initialize the default symtab and line offset. */ |
2541 | initialize_defaults (&PARSER_STATE (parser)->default_symtab, | |
2542 | &PARSER_STATE (parser)->default_line); | |
d2630e69 | 2543 | |
40e084e1 | 2544 | /* Objective-C shortcut. */ |
c45ec17c PA |
2545 | if (parser->completion_tracker == NULL) |
2546 | { | |
6c5b2ebe PA |
2547 | std::vector<symtab_and_line> values |
2548 | = decode_objc (PARSER_STATE (parser), PARSER_RESULT (parser), arg); | |
2549 | if (!values.empty ()) | |
c45ec17c PA |
2550 | return values; |
2551 | } | |
2552 | else | |
2553 | { | |
2554 | /* "-"/"+" is either an objc selector, or a number. There's | |
2555 | nothing to complete the latter to, so just let the caller | |
2556 | complete on functions, which finds objc selectors, if there's | |
2557 | any. */ | |
2558 | if ((arg[0] == '-' || arg[0] == '+') && arg[1] == '\0') | |
2559 | return {}; | |
2560 | } | |
e0881a8e | 2561 | |
40e084e1 | 2562 | /* Start parsing. */ |
d2630e69 | 2563 | |
40e084e1 | 2564 | /* Get the first token. */ |
c45ec17c | 2565 | token = linespec_lexer_consume_token (parser); |
50641945 | 2566 | |
40e084e1 | 2567 | /* It must be either LSTOKEN_STRING or LSTOKEN_NUMBER. */ |
a06efdd6 | 2568 | if (token.type == LSTOKEN_STRING && *LS_TOKEN_STOKEN (token).ptr == '$') |
40e084e1 KS |
2569 | { |
2570 | char *var; | |
50641945 | 2571 | |
40e084e1 | 2572 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
c45ec17c PA |
2573 | if (parser->completion_tracker == NULL) |
2574 | VEC_safe_push (symtab_ptr, PARSER_RESULT (parser)->file_symtabs, NULL); | |
dcf9f4ab | 2575 | |
40e084e1 KS |
2576 | /* User specified a convenience variable or history value. */ |
2577 | var = copy_token_string (token); | |
2578 | cleanup = make_cleanup (xfree, var); | |
00e52e53 | 2579 | PARSER_EXPLICIT (parser)->line_offset |
40e084e1 | 2580 | = linespec_parse_variable (PARSER_STATE (parser), var); |
cf4ded82 | 2581 | do_cleanups (cleanup); |
f8eba3c6 | 2582 | |
40e084e1 KS |
2583 | /* If a line_offset wasn't found (VAR is the name of a user |
2584 | variable/function), then skip to normal symbol processing. */ | |
00e52e53 | 2585 | if (PARSER_EXPLICIT (parser)->line_offset.sign != LINE_OFFSET_UNKNOWN) |
40e084e1 | 2586 | { |
40e084e1 KS |
2587 | /* Consume this token. */ |
2588 | linespec_lexer_consume_token (parser); | |
dcf9f4ab | 2589 | |
40e084e1 | 2590 | goto convert_to_sals; |
50641945 | 2591 | } |
40e084e1 | 2592 | } |
c45ec17c PA |
2593 | else if (token.type == LSTOKEN_EOI && parser->completion_tracker != NULL) |
2594 | { | |
2595 | /* Let the default linespec_complete_what::FUNCTION kick in. */ | |
2596 | unexpected_linespec_error (parser); | |
2597 | } | |
40e084e1 | 2598 | else if (token.type != LSTOKEN_STRING && token.type != LSTOKEN_NUMBER) |
c45ec17c PA |
2599 | { |
2600 | parser->complete_what = linespec_complete_what::NOTHING; | |
2601 | unexpected_linespec_error (parser); | |
2602 | } | |
50641945 | 2603 | |
40e084e1 KS |
2604 | /* Shortcut: If the next token is not LSTOKEN_COLON, we know that |
2605 | this token cannot represent a filename. */ | |
2606 | token = linespec_lexer_peek_token (parser); | |
0e0b460e | 2607 | |
40e084e1 | 2608 | if (token.type == LSTOKEN_COLON) |
0e0b460e | 2609 | { |
40e084e1 | 2610 | char *user_filename; |
0e0b460e | 2611 | |
40e084e1 KS |
2612 | /* Get the current token again and extract the filename. */ |
2613 | token = linespec_lexer_lex_one (parser); | |
2614 | user_filename = copy_token_string (token); | |
50641945 | 2615 | |
40e084e1 | 2616 | /* Check if the input is a filename. */ |
492d29ea | 2617 | TRY |
40e084e1 KS |
2618 | { |
2619 | PARSER_RESULT (parser)->file_symtabs | |
c2f4122d PA |
2620 | = symtabs_from_filename (user_filename, |
2621 | PARSER_STATE (parser)->search_pspace); | |
40e084e1 | 2622 | } |
492d29ea | 2623 | CATCH (ex, RETURN_MASK_ERROR) |
7556d4a4 PA |
2624 | { |
2625 | file_exception = ex; | |
2626 | } | |
492d29ea | 2627 | END_CATCH |
50641945 | 2628 | |
40e084e1 KS |
2629 | if (file_exception.reason >= 0) |
2630 | { | |
2631 | /* Symtabs were found for the file. Record the filename. */ | |
00e52e53 | 2632 | PARSER_EXPLICIT (parser)->source_filename = user_filename; |
f8eba3c6 | 2633 | |
40e084e1 KS |
2634 | /* Get the next token. */ |
2635 | token = linespec_lexer_consume_token (parser); | |
50641945 | 2636 | |
40e084e1 KS |
2637 | /* This is LSTOKEN_COLON; consume it. */ |
2638 | linespec_lexer_consume_token (parser); | |
2639 | } | |
2640 | else | |
2641 | { | |
2642 | /* No symtabs found -- discard user_filename. */ | |
2643 | xfree (user_filename); | |
50641945 | 2644 | |
40e084e1 | 2645 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
ec94af83 | 2646 | VEC_safe_push (symtab_ptr, PARSER_RESULT (parser)->file_symtabs, NULL); |
40e084e1 | 2647 | } |
50641945 | 2648 | } |
40e084e1 | 2649 | /* If the next token is not EOI, KEYWORD, or COMMA, issue an error. */ |
c45ec17c PA |
2650 | else if (parser->completion_tracker == NULL |
2651 | && (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD | |
2652 | && token.type != LSTOKEN_COMMA)) | |
d2630e69 | 2653 | { |
40e084e1 KS |
2654 | /* TOKEN is the _next_ token, not the one currently in the parser. |
2655 | Consuming the token will give the correct error message. */ | |
2656 | linespec_lexer_consume_token (parser); | |
2657 | unexpected_linespec_error (parser); | |
d2630e69 | 2658 | } |
50641945 FN |
2659 | else |
2660 | { | |
40e084e1 | 2661 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
ec94af83 | 2662 | VEC_safe_push (symtab_ptr, PARSER_RESULT (parser)->file_symtabs, NULL); |
50641945 | 2663 | } |
50641945 | 2664 | |
40e084e1 KS |
2665 | /* Parse the rest of the linespec. */ |
2666 | linespec_parse_basic (parser); | |
50641945 | 2667 | |
c45ec17c PA |
2668 | if (parser->completion_tracker == NULL |
2669 | && PARSER_RESULT (parser)->function_symbols == NULL | |
40e084e1 | 2670 | && PARSER_RESULT (parser)->labels.label_symbols == NULL |
00e52e53 | 2671 | && PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN |
40e084e1 | 2672 | && PARSER_RESULT (parser)->minimal_symbols == NULL) |
f8eba3c6 | 2673 | { |
40e084e1 KS |
2674 | /* The linespec didn't parse. Re-throw the file exception if |
2675 | there was one. */ | |
2676 | if (file_exception.reason < 0) | |
2677 | throw_exception (file_exception); | |
0f5238ed | 2678 | |
40e084e1 | 2679 | /* Otherwise, the symbol is not found. */ |
00e52e53 KS |
2680 | symbol_not_found_error (PARSER_EXPLICIT (parser)->function_name, |
2681 | PARSER_EXPLICIT (parser)->source_filename); | |
0f5238ed TT |
2682 | } |
2683 | ||
40e084e1 | 2684 | convert_to_sals: |
9ef07c8c | 2685 | |
40e084e1 KS |
2686 | /* Get the last token and record how much of the input was parsed, |
2687 | if necessary. */ | |
2688 | token = linespec_lexer_lex_one (parser); | |
2689 | if (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD) | |
c45ec17c PA |
2690 | unexpected_linespec_error (parser); |
2691 | else if (token.type == LSTOKEN_KEYWORD) | |
2692 | { | |
2693 | /* Setup the completion word past the keyword. Lexing never | |
2694 | advances past a keyword automatically, so skip it | |
2695 | manually. */ | |
2696 | parser->completion_word | |
f1735a53 | 2697 | = skip_spaces (skip_to_space (PARSER_STREAM (parser))); |
c45ec17c PA |
2698 | parser->complete_what = linespec_complete_what::EXPRESSION; |
2699 | } | |
50641945 | 2700 | |
40e084e1 | 2701 | /* Convert the data in PARSER_RESULT to SALs. */ |
c45ec17c | 2702 | if (parser->completion_tracker == NULL) |
6c5b2ebe PA |
2703 | return convert_linespec_to_sals (PARSER_STATE (parser), |
2704 | PARSER_RESULT (parser)); | |
f8eba3c6 | 2705 | |
6c5b2ebe | 2706 | return {}; |
413dad4d | 2707 | } |
50641945 | 2708 | |
40e084e1 | 2709 | |
f8eba3c6 | 2710 | /* A constructor for linespec_state. */ |
44fe14ab | 2711 | |
f8eba3c6 TT |
2712 | static void |
2713 | linespec_state_constructor (struct linespec_state *self, | |
40e084e1 | 2714 | int flags, const struct language_defn *language, |
c2f4122d | 2715 | struct program_space *search_pspace, |
f8eba3c6 TT |
2716 | struct symtab *default_symtab, |
2717 | int default_line, | |
2718 | struct linespec_result *canonical) | |
2719 | { | |
2720 | memset (self, 0, sizeof (*self)); | |
40e084e1 | 2721 | self->language = language; |
f8eba3c6 TT |
2722 | self->funfirstline = (flags & DECODE_LINE_FUNFIRSTLINE) ? 1 : 0; |
2723 | self->list_mode = (flags & DECODE_LINE_LIST_MODE) ? 1 : 0; | |
c2f4122d | 2724 | self->search_pspace = search_pspace; |
f8eba3c6 TT |
2725 | self->default_symtab = default_symtab; |
2726 | self->default_line = default_line; | |
2727 | self->canonical = canonical; | |
2728 | self->program_space = current_program_space; | |
2729 | self->addr_set = htab_create_alloc (10, hash_address_entry, eq_address_entry, | |
2730 | xfree, xcalloc, xfree); | |
00e52e53 | 2731 | self->is_linespec = 0; |
f8eba3c6 | 2732 | } |
44fe14ab | 2733 | |
40e084e1 | 2734 | /* Initialize a new linespec parser. */ |
44fe14ab DC |
2735 | |
2736 | static void | |
40e084e1 KS |
2737 | linespec_parser_new (linespec_parser *parser, |
2738 | int flags, const struct language_defn *language, | |
c2f4122d | 2739 | struct program_space *search_pspace, |
40e084e1 KS |
2740 | struct symtab *default_symtab, |
2741 | int default_line, | |
2742 | struct linespec_result *canonical) | |
44fe14ab | 2743 | { |
f00aae0f | 2744 | memset (parser, 0, sizeof (linespec_parser)); |
40e084e1 KS |
2745 | parser->lexer.current.type = LSTOKEN_CONSUMED; |
2746 | memset (PARSER_RESULT (parser), 0, sizeof (struct linespec)); | |
00e52e53 | 2747 | PARSER_EXPLICIT (parser)->line_offset.sign = LINE_OFFSET_UNKNOWN; |
40e084e1 | 2748 | linespec_state_constructor (PARSER_STATE (parser), flags, language, |
c2f4122d | 2749 | search_pspace, |
40e084e1 KS |
2750 | default_symtab, default_line, canonical); |
2751 | } | |
2752 | ||
2753 | /* A destructor for linespec_state. */ | |
44fe14ab | 2754 | |
40e084e1 KS |
2755 | static void |
2756 | linespec_state_destructor (struct linespec_state *self) | |
2757 | { | |
f8eba3c6 TT |
2758 | htab_delete (self->addr_set); |
2759 | } | |
44fe14ab | 2760 | |
40e084e1 KS |
2761 | /* Delete a linespec parser. */ |
2762 | ||
2763 | static void | |
2764 | linespec_parser_delete (void *arg) | |
2765 | { | |
2766 | linespec_parser *parser = (linespec_parser *) arg; | |
2767 | ||
00e52e53 KS |
2768 | xfree (PARSER_EXPLICIT (parser)->source_filename); |
2769 | xfree (PARSER_EXPLICIT (parser)->label_name); | |
2770 | xfree (PARSER_EXPLICIT (parser)->function_name); | |
40e084e1 KS |
2771 | |
2772 | if (PARSER_RESULT (parser)->file_symtabs != NULL) | |
ec94af83 | 2773 | VEC_free (symtab_ptr, PARSER_RESULT (parser)->file_symtabs); |
40e084e1 KS |
2774 | |
2775 | if (PARSER_RESULT (parser)->function_symbols != NULL) | |
2776 | VEC_free (symbolp, PARSER_RESULT (parser)->function_symbols); | |
2777 | ||
2778 | if (PARSER_RESULT (parser)->minimal_symbols != NULL) | |
f60e2d5c | 2779 | VEC_free (bound_minimal_symbol_d, PARSER_RESULT (parser)->minimal_symbols); |
40e084e1 KS |
2780 | |
2781 | if (PARSER_RESULT (parser)->labels.label_symbols != NULL) | |
2782 | VEC_free (symbolp, PARSER_RESULT (parser)->labels.label_symbols); | |
2783 | ||
2784 | if (PARSER_RESULT (parser)->labels.function_symbols != NULL) | |
2785 | VEC_free (symbolp, PARSER_RESULT (parser)->labels.function_symbols); | |
2786 | ||
2787 | linespec_state_destructor (PARSER_STATE (parser)); | |
2788 | } | |
2789 | ||
c7c1b3e9 KS |
2790 | /* See description in linespec.h. */ |
2791 | ||
2792 | void | |
f2fc3015 | 2793 | linespec_lex_to_end (const char **stringp) |
c7c1b3e9 KS |
2794 | { |
2795 | linespec_parser parser; | |
2796 | struct cleanup *cleanup; | |
2797 | linespec_token token; | |
c7c1b3e9 KS |
2798 | const char *orig; |
2799 | ||
2800 | if (stringp == NULL || *stringp == NULL) | |
2801 | return; | |
2802 | ||
c2f4122d | 2803 | linespec_parser_new (&parser, 0, current_language, NULL, NULL, 0, NULL); |
c7c1b3e9 KS |
2804 | cleanup = make_cleanup (linespec_parser_delete, &parser); |
2805 | parser.lexer.saved_arg = *stringp; | |
2806 | PARSER_STREAM (&parser) = orig = *stringp; | |
2807 | ||
2808 | do | |
2809 | { | |
2810 | /* Stop before any comma tokens; we need it to keep it | |
2811 | as the next token in the string. */ | |
2812 | token = linespec_lexer_peek_token (&parser); | |
2813 | if (token.type == LSTOKEN_COMMA) | |
2814 | break; | |
c7c1b3e9 KS |
2815 | token = linespec_lexer_consume_token (&parser); |
2816 | } | |
2817 | while (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD); | |
2818 | ||
2819 | *stringp += PARSER_STREAM (&parser) - orig; | |
2820 | do_cleanups (cleanup); | |
2821 | } | |
2822 | ||
c6756f62 PA |
2823 | /* See linespec.h. */ |
2824 | ||
2825 | void | |
2826 | linespec_complete_function (completion_tracker &tracker, | |
2827 | const char *function, | |
2828 | const char *source_filename) | |
2829 | { | |
2830 | complete_symbol_mode mode = complete_symbol_mode::LINESPEC; | |
b5ec771e | 2831 | symbol_name_match_type func_match_type = symbol_name_match_type::WILD; |
c6756f62 PA |
2832 | |
2833 | if (source_filename != NULL) | |
2834 | { | |
b5ec771e PA |
2835 | collect_file_symbol_completion_matches (tracker, mode, func_match_type, |
2836 | function, function, source_filename); | |
c6756f62 PA |
2837 | } |
2838 | else | |
b5ec771e PA |
2839 | { |
2840 | collect_symbol_completion_matches (tracker, mode, func_match_type, | |
2841 | function, function); | |
2842 | ||
2843 | } | |
c6756f62 PA |
2844 | } |
2845 | ||
c45ec17c PA |
2846 | /* Helper for complete_linespec to simplify it. SOURCE_FILENAME is |
2847 | only meaningful if COMPONENT is FUNCTION. */ | |
2848 | ||
2849 | static void | |
2850 | complete_linespec_component (linespec_parser *parser, | |
2851 | completion_tracker &tracker, | |
2852 | const char *text, | |
2853 | linespec_complete_what component, | |
2854 | const char *source_filename) | |
2855 | { | |
2856 | if (component == linespec_complete_what::KEYWORD) | |
2857 | { | |
2858 | complete_on_enum (tracker, linespec_keywords, text, text); | |
2859 | } | |
2860 | else if (component == linespec_complete_what::EXPRESSION) | |
2861 | { | |
2862 | const char *word | |
2863 | = advance_to_expression_complete_word_point (tracker, text); | |
2864 | complete_expression (tracker, text, word); | |
2865 | } | |
2866 | else if (component == linespec_complete_what::FUNCTION) | |
2867 | { | |
2868 | completion_list fn_list; | |
2869 | ||
2870 | linespec_complete_function (tracker, text, source_filename); | |
2871 | if (source_filename == NULL) | |
2872 | { | |
2873 | /* Haven't seen a source component, like in "b | |
2874 | file.c:function[TAB]". Maybe this wasn't a function, but | |
2875 | a filename instead, like "b file.[TAB]". */ | |
2876 | fn_list = complete_source_filenames (text); | |
2877 | } | |
2878 | ||
2879 | /* If we only have a single filename completion, append a ':' for | |
2880 | the user, since that's the only thing that can usefully follow | |
2881 | the filename. */ | |
2882 | if (fn_list.size () == 1 && !tracker.have_completions ()) | |
2883 | { | |
2884 | char *fn = fn_list[0].release (); | |
2885 | ||
2886 | /* If we also need to append a quote char, it needs to be | |
2887 | appended before the ':'. Append it now, and make ':' the | |
2888 | new "quote" char. */ | |
2889 | if (tracker.quote_char ()) | |
2890 | { | |
2891 | char quote_char_str[2] = { tracker.quote_char () }; | |
2892 | ||
2893 | fn = reconcat (fn, fn, quote_char_str, (char *) NULL); | |
2894 | tracker.set_quote_char (':'); | |
2895 | } | |
2896 | else | |
2897 | fn = reconcat (fn, fn, ":", (char *) NULL); | |
2898 | fn_list[0].reset (fn); | |
2899 | ||
2900 | /* Tell readline to skip appending a space. */ | |
2901 | tracker.set_suppress_append_ws (true); | |
2902 | } | |
2903 | tracker.add_completions (std::move (fn_list)); | |
2904 | } | |
2905 | } | |
2906 | ||
a2459270 PA |
2907 | /* Helper for linespec_complete_label. Find labels that match |
2908 | LABEL_NAME in the function symbols listed in the PARSER, and add | |
2909 | them to the tracker. */ | |
2910 | ||
2911 | static void | |
2912 | complete_label (completion_tracker &tracker, | |
2913 | linespec_parser *parser, | |
2914 | const char *label_name) | |
2915 | { | |
2916 | VEC (symbolp) *label_function_symbols = NULL; | |
2917 | VEC (symbolp) *labels | |
2918 | = find_label_symbols (PARSER_STATE (parser), | |
2919 | PARSER_RESULT (parser)->function_symbols, | |
2920 | &label_function_symbols, | |
2921 | label_name, true); | |
2922 | ||
2923 | symbol *label; | |
2924 | for (int ix = 0; | |
2925 | VEC_iterate (symbolp, labels, ix, label); ++ix) | |
2926 | { | |
2927 | char *match = xstrdup (SYMBOL_SEARCH_NAME (label)); | |
2928 | tracker.add_completion (gdb::unique_xmalloc_ptr<char> (match)); | |
2929 | } | |
2930 | VEC_free (symbolp, labels); | |
2931 | } | |
2932 | ||
2933 | /* See linespec.h. */ | |
2934 | ||
2935 | void | |
2936 | linespec_complete_label (completion_tracker &tracker, | |
2937 | const struct language_defn *language, | |
2938 | const char *source_filename, | |
2939 | const char *function_name, | |
2940 | const char *label_name) | |
2941 | { | |
2942 | linespec_parser parser; | |
2943 | struct cleanup *cleanup; | |
2944 | ||
2945 | linespec_parser_new (&parser, 0, language, NULL, NULL, 0, NULL); | |
2946 | cleanup = make_cleanup (linespec_parser_delete, &parser); | |
2947 | ||
2948 | line_offset unknown_offset = { 0, LINE_OFFSET_UNKNOWN }; | |
2949 | ||
2950 | TRY | |
2951 | { | |
2952 | convert_explicit_location_to_linespec (PARSER_STATE (&parser), | |
2953 | PARSER_RESULT (&parser), | |
2954 | source_filename, | |
2955 | function_name, | |
2956 | NULL, unknown_offset); | |
2957 | } | |
2958 | CATCH (ex, RETURN_MASK_ERROR) | |
2959 | { | |
2960 | do_cleanups (cleanup); | |
2961 | return; | |
2962 | } | |
2963 | END_CATCH | |
2964 | ||
2965 | complete_label (tracker, &parser, label_name); | |
2966 | ||
2967 | do_cleanups (cleanup); | |
2968 | } | |
2969 | ||
c45ec17c PA |
2970 | /* See description in linespec.h. */ |
2971 | ||
2972 | void | |
2973 | linespec_complete (completion_tracker &tracker, const char *text) | |
2974 | { | |
2975 | linespec_parser parser; | |
2976 | struct cleanup *cleanup; | |
2977 | const char *orig = text; | |
2978 | ||
2979 | linespec_parser_new (&parser, 0, current_language, NULL, NULL, 0, NULL); | |
2980 | cleanup = make_cleanup (linespec_parser_delete, &parser); | |
2981 | parser.lexer.saved_arg = text; | |
2982 | PARSER_STREAM (&parser) = text; | |
2983 | ||
2984 | parser.completion_tracker = &tracker; | |
2985 | PARSER_STATE (&parser)->is_linespec = 1; | |
2986 | ||
2987 | /* Parse as much as possible. parser.completion_word will hold | |
2988 | furthest completion point we managed to parse to. */ | |
2989 | TRY | |
2990 | { | |
2991 | parse_linespec (&parser, text); | |
2992 | } | |
2993 | CATCH (except, RETURN_MASK_ERROR) | |
2994 | { | |
2995 | } | |
2996 | END_CATCH | |
2997 | ||
2998 | if (parser.completion_quote_char != '\0' | |
2999 | && parser.completion_quote_end != NULL | |
3000 | && parser.completion_quote_end[1] == '\0') | |
3001 | { | |
3002 | /* If completing a quoted string with the cursor right at | |
3003 | terminating quote char, complete the completion word without | |
3004 | interpretation, so that readline advances the cursor one | |
3005 | whitespace past the quote, even if there's no match. This | |
3006 | makes these cases behave the same: | |
3007 | ||
3008 | before: "b function()" | |
3009 | after: "b function() " | |
3010 | ||
3011 | before: "b 'function()'" | |
3012 | after: "b 'function()' " | |
3013 | ||
3014 | and trusts the user in this case: | |
3015 | ||
3016 | before: "b 'not_loaded_function_yet()'" | |
3017 | after: "b 'not_loaded_function_yet()' " | |
3018 | */ | |
3019 | parser.complete_what = linespec_complete_what::NOTHING; | |
3020 | parser.completion_quote_char = '\0'; | |
3021 | ||
3022 | gdb::unique_xmalloc_ptr<char> text_copy | |
3023 | (xstrdup (parser.completion_word)); | |
3024 | tracker.add_completion (std::move (text_copy)); | |
3025 | } | |
3026 | ||
3027 | tracker.set_quote_char (parser.completion_quote_char); | |
3028 | ||
3029 | if (parser.complete_what == linespec_complete_what::LABEL) | |
3030 | { | |
3031 | parser.complete_what = linespec_complete_what::NOTHING; | |
3032 | ||
3033 | const char *func_name = PARSER_EXPLICIT (&parser)->function_name; | |
3034 | ||
3035 | VEC (symbolp) *function_symbols; | |
3036 | VEC (bound_minimal_symbol_d) *minimal_symbols; | |
3037 | find_linespec_symbols (PARSER_STATE (&parser), | |
3038 | PARSER_RESULT (&parser)->file_symtabs, | |
3039 | func_name, | |
3040 | &function_symbols, &minimal_symbols); | |
3041 | ||
3042 | PARSER_RESULT (&parser)->function_symbols = function_symbols; | |
3043 | PARSER_RESULT (&parser)->minimal_symbols = minimal_symbols; | |
3044 | ||
3045 | complete_label (tracker, &parser, parser.completion_word); | |
3046 | } | |
3047 | else if (parser.complete_what == linespec_complete_what::FUNCTION) | |
3048 | { | |
3049 | /* While parsing/lexing, we didn't know whether the completion | |
3050 | word completes to a unique function/source name already or | |
3051 | not. | |
3052 | ||
3053 | E.g.: | |
3054 | "b function() <tab>" | |
3055 | may need to complete either to: | |
3056 | "b function() const" | |
3057 | or to: | |
3058 | "b function() if/thread/task" | |
3059 | ||
3060 | Or, this: | |
3061 | "b foo t" | |
3062 | may need to complete either to: | |
3063 | "b foo template_fun<T>()" | |
3064 | with "foo" being the template function's return type, or to: | |
3065 | "b foo thread/task" | |
3066 | ||
3067 | Or, this: | |
3068 | "b file<TAB>" | |
3069 | may need to complete either to a source file name: | |
3070 | "b file.c" | |
3071 | or this, also a filename, but a unique completion: | |
3072 | "b file.c:" | |
3073 | or to a function name: | |
3074 | "b file_function" | |
3075 | ||
3076 | Address that by completing assuming source or function, and | |
3077 | seeing if we find a completion that matches exactly the | |
3078 | completion word. If so, then it must be a function (see note | |
3079 | below) and we advance the completion word to the end of input | |
3080 | and switch to KEYWORD completion mode. | |
3081 | ||
3082 | Note: if we find a unique completion for a source filename, | |
3083 | then it won't match the completion word, because the LCD will | |
3084 | contain a trailing ':'. And if we're completing at or after | |
3085 | the ':', then complete_linespec_component won't try to | |
3086 | complete on source filenames. */ | |
3087 | ||
3088 | const char *text = parser.completion_word; | |
3089 | const char *word = parser.completion_word; | |
3090 | ||
3091 | complete_linespec_component (&parser, tracker, | |
3092 | parser.completion_word, | |
3093 | linespec_complete_what::FUNCTION, | |
3094 | PARSER_EXPLICIT (&parser)->source_filename); | |
3095 | ||
3096 | parser.complete_what = linespec_complete_what::NOTHING; | |
3097 | ||
3098 | if (tracker.quote_char ()) | |
3099 | { | |
3100 | /* The function/file name was not close-quoted, so this | |
3101 | can't be a keyword. Note: complete_linespec_component | |
3102 | may have swapped the original quote char for ':' when we | |
3103 | get here, but that still indicates the same. */ | |
3104 | } | |
3105 | else if (!tracker.have_completions ()) | |
3106 | { | |
3107 | size_t key_start; | |
3108 | size_t wordlen = strlen (parser.completion_word); | |
3109 | ||
3110 | key_start | |
3111 | = string_find_incomplete_keyword_at_end (linespec_keywords, | |
3112 | parser.completion_word, | |
3113 | wordlen); | |
3114 | ||
3115 | if (key_start != -1 | |
3116 | || (wordlen > 0 | |
3117 | && parser.completion_word[wordlen - 1] == ' ')) | |
3118 | { | |
3119 | parser.completion_word += key_start; | |
3120 | parser.complete_what = linespec_complete_what::KEYWORD; | |
3121 | } | |
3122 | } | |
3123 | else if (tracker.completes_to_completion_word (word)) | |
3124 | { | |
3125 | /* Skip the function and complete on keywords. */ | |
3126 | parser.completion_word += strlen (word); | |
3127 | parser.complete_what = linespec_complete_what::KEYWORD; | |
3128 | tracker.discard_completions (); | |
3129 | } | |
3130 | } | |
3131 | ||
3132 | tracker.advance_custom_word_point_by (parser.completion_word - orig); | |
3133 | ||
3134 | complete_linespec_component (&parser, tracker, | |
3135 | parser.completion_word, | |
3136 | parser.complete_what, | |
3137 | PARSER_EXPLICIT (&parser)->source_filename); | |
3138 | ||
3139 | /* If we're past the "filename:function:label:offset" linespec, and | |
3140 | didn't find any match, then assume the user might want to create | |
3141 | a pending breakpoint anyway and offer the keyword | |
3142 | completions. */ | |
3143 | if (!parser.completion_quote_char | |
3144 | && (parser.complete_what == linespec_complete_what::FUNCTION | |
3145 | || parser.complete_what == linespec_complete_what::LABEL | |
3146 | || parser.complete_what == linespec_complete_what::NOTHING) | |
3147 | && !tracker.have_completions ()) | |
3148 | { | |
3149 | const char *end | |
3150 | = parser.completion_word + strlen (parser.completion_word); | |
3151 | ||
3152 | if (end > orig && end[-1] == ' ') | |
3153 | { | |
3154 | tracker.advance_custom_word_point_by (end - parser.completion_word); | |
3155 | ||
3156 | complete_linespec_component (&parser, tracker, end, | |
3157 | linespec_complete_what::KEYWORD, | |
3158 | NULL); | |
3159 | } | |
3160 | } | |
3161 | ||
3162 | do_cleanups (cleanup); | |
3163 | } | |
3164 | ||
f00aae0f | 3165 | /* A helper function for decode_line_full and decode_line_1 to |
6c5b2ebe | 3166 | turn LOCATION into std::vector<symtab_and_line>. */ |
f00aae0f | 3167 | |
6c5b2ebe | 3168 | static std::vector<symtab_and_line> |
f00aae0f KS |
3169 | event_location_to_sals (linespec_parser *parser, |
3170 | const struct event_location *location) | |
3171 | { | |
6c5b2ebe | 3172 | std::vector<symtab_and_line> result; |
f00aae0f KS |
3173 | |
3174 | switch (event_location_type (location)) | |
3175 | { | |
3176 | case LINESPEC_LOCATION: | |
3177 | { | |
00e52e53 | 3178 | PARSER_STATE (parser)->is_linespec = 1; |
f00aae0f KS |
3179 | TRY |
3180 | { | |
3181 | result = parse_linespec (parser, get_linespec_location (location)); | |
3182 | } | |
3183 | CATCH (except, RETURN_MASK_ERROR) | |
3184 | { | |
3185 | throw_exception (except); | |
3186 | } | |
3187 | END_CATCH | |
3188 | } | |
3189 | break; | |
3190 | ||
a06efdd6 | 3191 | case ADDRESS_LOCATION: |
305e13e6 JB |
3192 | { |
3193 | const char *addr_string = get_address_string_location (location); | |
3194 | CORE_ADDR addr = get_address_location (location); | |
3195 | ||
3196 | if (addr_string != NULL) | |
3197 | { | |
3198 | char *expr = xstrdup (addr_string); | |
3199 | const char *const_expr = expr; | |
3200 | struct cleanup *cleanup = make_cleanup (xfree, expr); | |
3201 | ||
3202 | addr = linespec_expression_to_pc (&const_expr); | |
3203 | if (PARSER_STATE (parser)->canonical != NULL) | |
3204 | PARSER_STATE (parser)->canonical->location | |
8e9e35b1 | 3205 | = copy_event_location (location); |
305e13e6 JB |
3206 | |
3207 | do_cleanups (cleanup); | |
3208 | } | |
3209 | ||
3210 | result = convert_address_location_to_sals (PARSER_STATE (parser), | |
3211 | addr); | |
3212 | } | |
a06efdd6 KS |
3213 | break; |
3214 | ||
00e52e53 KS |
3215 | case EXPLICIT_LOCATION: |
3216 | { | |
67994074 | 3217 | const struct explicit_location *explicit_loc; |
00e52e53 | 3218 | |
67994074 | 3219 | explicit_loc = get_explicit_location_const (location); |
00e52e53 KS |
3220 | result = convert_explicit_location_to_sals (PARSER_STATE (parser), |
3221 | PARSER_RESULT (parser), | |
67994074 | 3222 | explicit_loc); |
00e52e53 KS |
3223 | } |
3224 | break; | |
3225 | ||
5b56227b KS |
3226 | case PROBE_LOCATION: |
3227 | /* Probes are handled by their own decoders. */ | |
3228 | gdb_assert_not_reached ("attempt to decode probe location"); | |
3229 | break; | |
3230 | ||
f00aae0f KS |
3231 | default: |
3232 | gdb_assert_not_reached ("unhandled event location type"); | |
3233 | } | |
3234 | ||
3235 | return result; | |
3236 | } | |
3237 | ||
f8eba3c6 | 3238 | /* See linespec.h. */ |
44fe14ab | 3239 | |
f8eba3c6 | 3240 | void |
f00aae0f | 3241 | decode_line_full (const struct event_location *location, int flags, |
c2f4122d | 3242 | struct program_space *search_pspace, |
f8eba3c6 TT |
3243 | struct symtab *default_symtab, |
3244 | int default_line, struct linespec_result *canonical, | |
3245 | const char *select_mode, | |
3246 | const char *filter) | |
44fe14ab | 3247 | { |
f8eba3c6 | 3248 | struct cleanup *cleanups; |
f8eba3c6 | 3249 | VEC (const_char_ptr) *filters = NULL; |
40e084e1 KS |
3250 | linespec_parser parser; |
3251 | struct linespec_state *state; | |
f8eba3c6 TT |
3252 | |
3253 | gdb_assert (canonical != NULL); | |
3254 | /* The filter only makes sense for 'all'. */ | |
3255 | gdb_assert (filter == NULL || select_mode == multiple_symbols_all); | |
3256 | gdb_assert (select_mode == NULL | |
3257 | || select_mode == multiple_symbols_all | |
3258 | || select_mode == multiple_symbols_ask | |
3259 | || select_mode == multiple_symbols_cancel); | |
3260 | gdb_assert ((flags & DECODE_LINE_LIST_MODE) == 0); | |
3261 | ||
c2f4122d PA |
3262 | linespec_parser_new (&parser, flags, current_language, |
3263 | search_pspace, default_symtab, | |
40e084e1 KS |
3264 | default_line, canonical); |
3265 | cleanups = make_cleanup (linespec_parser_delete, &parser); | |
5ed8105e PA |
3266 | |
3267 | scoped_restore_current_program_space restore_pspace; | |
f8eba3c6 | 3268 | |
6c5b2ebe PA |
3269 | std::vector<symtab_and_line> result = event_location_to_sals (&parser, |
3270 | location); | |
40e084e1 | 3271 | state = PARSER_STATE (&parser); |
f8eba3c6 | 3272 | |
6c5b2ebe | 3273 | gdb_assert (result.size () == 1 || canonical->pre_expanded); |
f8eba3c6 TT |
3274 | canonical->pre_expanded = 1; |
3275 | ||
66f1999b | 3276 | /* Arrange for allocated canonical names to be freed. */ |
6c5b2ebe | 3277 | if (!result.empty ()) |
f8eba3c6 TT |
3278 | { |
3279 | int i; | |
3280 | ||
40e084e1 | 3281 | make_cleanup (xfree, state->canonical_names); |
6c5b2ebe | 3282 | for (i = 0; i < result.size (); ++i) |
f8eba3c6 | 3283 | { |
33f448b1 JK |
3284 | gdb_assert (state->canonical_names[i].suffix != NULL); |
3285 | make_cleanup (xfree, state->canonical_names[i].suffix); | |
f8eba3c6 TT |
3286 | } |
3287 | } | |
3288 | ||
3289 | if (select_mode == NULL) | |
3290 | { | |
112e8700 | 3291 | if (interp_ui_out (top_level_interpreter ())->is_mi_like_p ()) |
f8eba3c6 TT |
3292 | select_mode = multiple_symbols_all; |
3293 | else | |
3294 | select_mode = multiple_symbols_select_mode (); | |
3295 | } | |
3296 | ||
3297 | if (select_mode == multiple_symbols_all) | |
3298 | { | |
3299 | if (filter != NULL) | |
3300 | { | |
3301 | make_cleanup (VEC_cleanup (const_char_ptr), &filters); | |
3302 | VEC_safe_push (const_char_ptr, filters, filter); | |
40e084e1 | 3303 | filter_results (state, &result, filters); |
f8eba3c6 TT |
3304 | } |
3305 | else | |
40e084e1 | 3306 | convert_results_to_lsals (state, &result); |
f8eba3c6 TT |
3307 | } |
3308 | else | |
40e084e1 | 3309 | decode_line_2 (state, &result, select_mode); |
f8eba3c6 TT |
3310 | |
3311 | do_cleanups (cleanups); | |
3312 | } | |
3313 | ||
39cf75f7 DE |
3314 | /* See linespec.h. */ |
3315 | ||
6c5b2ebe | 3316 | std::vector<symtab_and_line> |
f00aae0f | 3317 | decode_line_1 (const struct event_location *location, int flags, |
c2f4122d | 3318 | struct program_space *search_pspace, |
f8eba3c6 TT |
3319 | struct symtab *default_symtab, |
3320 | int default_line) | |
3321 | { | |
40e084e1 | 3322 | linespec_parser parser; |
f8eba3c6 TT |
3323 | struct cleanup *cleanups; |
3324 | ||
c2f4122d PA |
3325 | linespec_parser_new (&parser, flags, current_language, |
3326 | search_pspace, default_symtab, | |
40e084e1 KS |
3327 | default_line, NULL); |
3328 | cleanups = make_cleanup (linespec_parser_delete, &parser); | |
5ed8105e PA |
3329 | |
3330 | scoped_restore_current_program_space restore_pspace; | |
f8eba3c6 | 3331 | |
6c5b2ebe PA |
3332 | std::vector<symtab_and_line> result = event_location_to_sals (&parser, |
3333 | location); | |
40e084e1 | 3334 | |
f8eba3c6 TT |
3335 | do_cleanups (cleanups); |
3336 | return result; | |
3337 | } | |
3338 | ||
39cf75f7 DE |
3339 | /* See linespec.h. */ |
3340 | ||
6c5b2ebe | 3341 | std::vector<symtab_and_line> |
f2fc3015 | 3342 | decode_line_with_current_source (const char *string, int flags) |
39cf75f7 | 3343 | { |
39cf75f7 DE |
3344 | if (string == 0) |
3345 | error (_("Empty line specification.")); | |
3346 | ||
3347 | /* We use whatever is set as the current source line. We do not try | |
3348 | and get a default source symtab+line or it will recursively call us! */ | |
6c5b2ebe | 3349 | symtab_and_line cursal = get_current_source_symtab_and_line (); |
39cf75f7 | 3350 | |
ffc2605c TT |
3351 | event_location_up location = string_to_event_location (&string, |
3352 | current_language); | |
6c5b2ebe PA |
3353 | std::vector<symtab_and_line> sals |
3354 | = decode_line_1 (location.get (), flags, NULL, cursal.symtab, cursal.line); | |
39cf75f7 DE |
3355 | |
3356 | if (*string) | |
3357 | error (_("Junk at end of line specification: %s"), string); | |
f00aae0f | 3358 | |
39cf75f7 DE |
3359 | return sals; |
3360 | } | |
3361 | ||
3362 | /* See linespec.h. */ | |
3363 | ||
6c5b2ebe | 3364 | std::vector<symtab_and_line> |
f2fc3015 | 3365 | decode_line_with_last_displayed (const char *string, int flags) |
39cf75f7 | 3366 | { |
39cf75f7 DE |
3367 | if (string == 0) |
3368 | error (_("Empty line specification.")); | |
3369 | ||
ffc2605c TT |
3370 | event_location_up location = string_to_event_location (&string, |
3371 | current_language); | |
6c5b2ebe PA |
3372 | std::vector<symtab_and_line> sals |
3373 | = (last_displayed_sal_is_valid () | |
3374 | ? decode_line_1 (location.get (), flags, NULL, | |
3375 | get_last_displayed_symtab (), | |
3376 | get_last_displayed_line ()) | |
3377 | : decode_line_1 (location.get (), flags, NULL, | |
3378 | (struct symtab *) NULL, 0)); | |
39cf75f7 DE |
3379 | |
3380 | if (*string) | |
3381 | error (_("Junk at end of line specification: %s"), string); | |
f00aae0f | 3382 | |
39cf75f7 DE |
3383 | return sals; |
3384 | } | |
3385 | ||
f8eba3c6 TT |
3386 | \f |
3387 | ||
3388 | /* First, some functions to initialize stuff at the beggining of the | |
3389 | function. */ | |
3390 | ||
3391 | static void | |
3392 | initialize_defaults (struct symtab **default_symtab, int *default_line) | |
3393 | { | |
3394 | if (*default_symtab == 0) | |
3395 | { | |
3396 | /* Use whatever we have for the default source line. We don't use | |
3397 | get_current_or_default_symtab_and_line as it can recurse and call | |
3398 | us back! */ | |
3399 | struct symtab_and_line cursal = | |
3400 | get_current_source_symtab_and_line (); | |
3401 | ||
3402 | *default_symtab = cursal.symtab; | |
3403 | *default_line = cursal.line; | |
3404 | } | |
3405 | } | |
3406 | ||
3407 | \f | |
3408 | ||
40e084e1 KS |
3409 | /* Evaluate the expression pointed to by EXP_PTR into a CORE_ADDR, |
3410 | advancing EXP_PTR past any parsed text. */ | |
f8eba3c6 | 3411 | |
a06efdd6 | 3412 | CORE_ADDR |
bbc13ae3 | 3413 | linespec_expression_to_pc (const char **exp_ptr) |
f8eba3c6 | 3414 | { |
f8eba3c6 TT |
3415 | if (current_program_space->executing_startup) |
3416 | /* The error message doesn't really matter, because this case | |
3417 | should only hit during breakpoint reset. */ | |
3418 | throw_error (NOT_FOUND_ERROR, _("cannot evaluate expressions while " | |
3419 | "program space is in startup")); | |
3420 | ||
40e084e1 KS |
3421 | (*exp_ptr)++; |
3422 | return value_as_address (parse_to_comma_and_eval (exp_ptr)); | |
0960f083 DC |
3423 | } |
3424 | ||
3425 | \f | |
3426 | ||
d2630e69 AF |
3427 | /* Here's where we recognise an Objective-C Selector. An Objective C |
3428 | selector may be implemented by more than one class, therefore it | |
3429 | may represent more than one method/function. This gives us a | |
3430 | situation somewhat analogous to C++ overloading. If there's more | |
3431 | than one method that could represent the selector, then use some of | |
3432 | the existing C++ code to let the user choose one. */ | |
3433 | ||
6c5b2ebe | 3434 | static std::vector<symtab_and_line> |
f00aae0f | 3435 | decode_objc (struct linespec_state *self, linespec_p ls, const char *arg) |
d2630e69 | 3436 | { |
f8eba3c6 TT |
3437 | struct collect_info info; |
3438 | VEC (const_char_ptr) *symbol_names = NULL; | |
d7561cbb | 3439 | const char *new_argptr; |
f8eba3c6 TT |
3440 | struct cleanup *cleanup = make_cleanup (VEC_cleanup (const_char_ptr), |
3441 | &symbol_names); | |
3442 | ||
3443 | info.state = self; | |
40e084e1 | 3444 | info.file_symtabs = NULL; |
ec94af83 DE |
3445 | VEC_safe_push (symtab_ptr, info.file_symtabs, NULL); |
3446 | make_cleanup (VEC_cleanup (symtab_ptr), &info.file_symtabs); | |
40e084e1 KS |
3447 | info.result.symbols = NULL; |
3448 | info.result.minimal_symbols = NULL; | |
f8eba3c6 | 3449 | |
f00aae0f | 3450 | new_argptr = find_imps (arg, &symbol_names); |
f8eba3c6 TT |
3451 | if (VEC_empty (const_char_ptr, symbol_names)) |
3452 | { | |
3453 | do_cleanups (cleanup); | |
6c5b2ebe | 3454 | return {}; |
f8eba3c6 | 3455 | } |
d2630e69 | 3456 | |
f8eba3c6 | 3457 | add_all_symbol_names_from_pspace (&info, NULL, symbol_names); |
d2630e69 | 3458 | |
6c5b2ebe | 3459 | std::vector<symtab_and_line> values; |
40e084e1 | 3460 | if (!VEC_empty (symbolp, info.result.symbols) |
f60e2d5c | 3461 | || !VEC_empty (bound_minimal_symbol_d, info.result.minimal_symbols)) |
d2630e69 | 3462 | { |
f8eba3c6 | 3463 | char *saved_arg; |
d2630e69 | 3464 | |
224c3ddb | 3465 | saved_arg = (char *) alloca (new_argptr - arg + 1); |
f00aae0f KS |
3466 | memcpy (saved_arg, arg, new_argptr - arg); |
3467 | saved_arg[new_argptr - arg] = '\0'; | |
d2630e69 | 3468 | |
67994074 | 3469 | ls->explicit_loc.function_name = xstrdup (saved_arg); |
40e084e1 KS |
3470 | ls->function_symbols = info.result.symbols; |
3471 | ls->minimal_symbols = info.result.minimal_symbols; | |
3472 | values = convert_linespec_to_sals (self, ls); | |
3473 | ||
f8eba3c6 | 3474 | if (self->canonical) |
d2630e69 | 3475 | { |
f2fc3015 TT |
3476 | std::string holder; |
3477 | const char *str; | |
f00aae0f | 3478 | |
f8eba3c6 | 3479 | self->canonical->pre_expanded = 1; |
f00aae0f | 3480 | |
67994074 | 3481 | if (ls->explicit_loc.source_filename) |
f00aae0f | 3482 | { |
f2fc3015 TT |
3483 | holder = string_printf ("%s:%s", |
3484 | ls->explicit_loc.source_filename, | |
3485 | saved_arg); | |
3486 | str = holder.c_str (); | |
f00aae0f | 3487 | } |
f8eba3c6 | 3488 | else |
f2fc3015 | 3489 | str = saved_arg; |
f00aae0f | 3490 | |
8e9e35b1 | 3491 | self->canonical->location = new_linespec_location (&str); |
d2630e69 | 3492 | } |
d2630e69 AF |
3493 | } |
3494 | ||
f8eba3c6 | 3495 | do_cleanups (cleanup); |
c00f8484 | 3496 | |
40e084e1 | 3497 | return values; |
f8eba3c6 | 3498 | } |
c00f8484 | 3499 | |
ffdbe864 YQ |
3500 | namespace { |
3501 | ||
14bc53a8 PA |
3502 | /* A function object that serves as symbol_found_callback_ftype |
3503 | callback for iterate_over_symbols. This is used by | |
3504 | lookup_prefix_sym to collect type symbols. */ | |
3505 | class decode_compound_collector | |
f8eba3c6 | 3506 | { |
14bc53a8 | 3507 | public: |
fc4007c9 | 3508 | decode_compound_collector () |
14bc53a8 | 3509 | : m_symbols (NULL) |
fc4007c9 | 3510 | { |
14bc53a8 PA |
3511 | m_unique_syms = htab_create_alloc (1, htab_hash_pointer, |
3512 | htab_eq_pointer, NULL, | |
3513 | xcalloc, xfree); | |
fc4007c9 TT |
3514 | } |
3515 | ||
3516 | ~decode_compound_collector () | |
3517 | { | |
14bc53a8 PA |
3518 | if (m_unique_syms != NULL) |
3519 | htab_delete (m_unique_syms); | |
fc4007c9 | 3520 | } |
3a93a0c2 | 3521 | |
14bc53a8 PA |
3522 | /* Releases ownership of the collected symbols and returns them. */ |
3523 | VEC (symbolp) *release_symbols () | |
3524 | { | |
3525 | VEC (symbolp) *res = m_symbols; | |
3526 | m_symbols = NULL; | |
3527 | return res; | |
3528 | } | |
c00f8484 | 3529 | |
14bc53a8 PA |
3530 | /* Callable as a symbol_found_callback_ftype callback. */ |
3531 | bool operator () (symbol *sym); | |
3532 | ||
3533 | private: | |
3534 | /* A hash table of all symbols we found. We use this to avoid | |
3535 | adding any symbol more than once. */ | |
3536 | htab_t m_unique_syms; | |
3537 | ||
3538 | /* The result vector. */ | |
3539 | VEC (symbolp) *m_symbols; | |
3540 | }; | |
3541 | ||
3542 | bool | |
3543 | decode_compound_collector::operator () (symbol *sym) | |
f8eba3c6 | 3544 | { |
f8eba3c6 TT |
3545 | void **slot; |
3546 | struct type *t; | |
614b3b14 | 3547 | |
f8eba3c6 | 3548 | if (SYMBOL_CLASS (sym) != LOC_TYPEDEF) |
14bc53a8 | 3549 | return true; /* Continue iterating. */ |
f8eba3c6 TT |
3550 | |
3551 | t = SYMBOL_TYPE (sym); | |
f168693b | 3552 | t = check_typedef (t); |
f8eba3c6 TT |
3553 | if (TYPE_CODE (t) != TYPE_CODE_STRUCT |
3554 | && TYPE_CODE (t) != TYPE_CODE_UNION | |
3555 | && TYPE_CODE (t) != TYPE_CODE_NAMESPACE) | |
14bc53a8 | 3556 | return true; /* Continue iterating. */ |
614b3b14 | 3557 | |
14bc53a8 | 3558 | slot = htab_find_slot (m_unique_syms, sym, INSERT); |
f8eba3c6 TT |
3559 | if (!*slot) |
3560 | { | |
3561 | *slot = sym; | |
14bc53a8 | 3562 | VEC_safe_push (symbolp, m_symbols, sym); |
f8eba3c6 TT |
3563 | } |
3564 | ||
14bc53a8 | 3565 | return true; /* Continue iterating. */ |
f8eba3c6 | 3566 | } |
93d91629 | 3567 | |
ffdbe864 YQ |
3568 | } // namespace |
3569 | ||
40e084e1 | 3570 | /* Return any symbols corresponding to CLASS_NAME in FILE_SYMTABS. */ |
93d91629 | 3571 | |
f8eba3c6 | 3572 | static VEC (symbolp) * |
ec94af83 | 3573 | lookup_prefix_sym (struct linespec_state *state, VEC (symtab_ptr) *file_symtabs, |
40e084e1 | 3574 | const char *class_name) |
93d91629 | 3575 | { |
f8eba3c6 TT |
3576 | int ix; |
3577 | struct symtab *elt; | |
14bc53a8 | 3578 | decode_compound_collector collector; |
e0881a8e | 3579 | |
b5ec771e PA |
3580 | lookup_name_info lookup_name (class_name, symbol_name_match_type::FULL); |
3581 | ||
ec94af83 | 3582 | for (ix = 0; VEC_iterate (symtab_ptr, file_symtabs, ix, elt); ++ix) |
f8eba3c6 TT |
3583 | { |
3584 | if (elt == NULL) | |
3585 | { | |
b5ec771e PA |
3586 | iterate_over_all_matching_symtabs (state, lookup_name, |
3587 | STRUCT_DOMAIN, NULL, false, | |
3588 | collector); | |
3589 | iterate_over_all_matching_symtabs (state, lookup_name, | |
3590 | VAR_DOMAIN, NULL, false, | |
3591 | collector); | |
f8eba3c6 TT |
3592 | } |
3593 | else | |
3594 | { | |
f8eba3c6 TT |
3595 | /* Program spaces that are executing startup should have |
3596 | been filtered out earlier. */ | |
3597 | gdb_assert (!SYMTAB_PSPACE (elt)->executing_startup); | |
3598 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
b5ec771e PA |
3599 | iterate_over_file_blocks (elt, lookup_name, STRUCT_DOMAIN, collector); |
3600 | iterate_over_file_blocks (elt, lookup_name, VAR_DOMAIN, collector); | |
1e5a1abc KS |
3601 | } |
3602 | } | |
3603 | ||
14bc53a8 | 3604 | return collector.release_symbols (); |
93d91629 DC |
3605 | } |
3606 | ||
40e084e1 KS |
3607 | /* A qsort comparison function for symbols. The resulting order does |
3608 | not actually matter; we just need to be able to sort them so that | |
3609 | symbols with the same program space end up next to each other. */ | |
3610 | ||
3611 | static int | |
3612 | compare_symbols (const void *a, const void *b) | |
3613 | { | |
9a3c8263 SM |
3614 | struct symbol * const *sa = (struct symbol * const*) a; |
3615 | struct symbol * const *sb = (struct symbol * const*) b; | |
40e084e1 KS |
3616 | uintptr_t uia, uib; |
3617 | ||
08be3fe3 DE |
3618 | uia = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (*sa)); |
3619 | uib = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (*sb)); | |
40e084e1 KS |
3620 | |
3621 | if (uia < uib) | |
3622 | return -1; | |
3623 | if (uia > uib) | |
3624 | return 1; | |
3625 | ||
3626 | uia = (uintptr_t) *sa; | |
3627 | uib = (uintptr_t) *sb; | |
3628 | ||
3629 | if (uia < uib) | |
3630 | return -1; | |
3631 | if (uia > uib) | |
3632 | return 1; | |
3633 | ||
3634 | return 0; | |
3635 | } | |
3636 | ||
3637 | /* Like compare_symbols but for minimal symbols. */ | |
4224873a | 3638 | |
f8eba3c6 | 3639 | static int |
40e084e1 | 3640 | compare_msymbols (const void *a, const void *b) |
4224873a | 3641 | { |
9a3c8263 SM |
3642 | const struct bound_minimal_symbol *sa |
3643 | = (const struct bound_minimal_symbol *) a; | |
3644 | const struct bound_minimal_symbol *sb | |
3645 | = (const struct bound_minimal_symbol *) b; | |
f8eba3c6 TT |
3646 | uintptr_t uia, uib; |
3647 | ||
001822aa TT |
3648 | uia = (uintptr_t) sa->objfile->pspace; |
3649 | uib = (uintptr_t) sa->objfile->pspace; | |
f8eba3c6 TT |
3650 | |
3651 | if (uia < uib) | |
3652 | return -1; | |
3653 | if (uia > uib) | |
3654 | return 1; | |
3655 | ||
001822aa TT |
3656 | uia = (uintptr_t) sa->minsym; |
3657 | uib = (uintptr_t) sb->minsym; | |
f8eba3c6 TT |
3658 | |
3659 | if (uia < uib) | |
3660 | return -1; | |
3661 | if (uia > uib) | |
3662 | return 1; | |
3663 | ||
3664 | return 0; | |
3665 | } | |
3666 | ||
3667 | /* Look for all the matching instances of each symbol in NAMES. Only | |
3668 | instances from PSPACE are considered; other program spaces are | |
3669 | handled by our caller. If PSPACE is NULL, then all program spaces | |
3670 | are considered. Results are stored into INFO. */ | |
3671 | ||
3672 | static void | |
3673 | add_all_symbol_names_from_pspace (struct collect_info *info, | |
3674 | struct program_space *pspace, | |
3675 | VEC (const_char_ptr) *names) | |
3676 | { | |
3677 | int ix; | |
3678 | const char *iter; | |
3679 | ||
3680 | for (ix = 0; VEC_iterate (const_char_ptr, names, ix, iter); ++ix) | |
b5ec771e PA |
3681 | add_matching_symbols_to_info (iter, |
3682 | symbol_name_match_type::FULL, | |
3683 | info, pspace); | |
f8eba3c6 TT |
3684 | } |
3685 | ||
3686 | static void | |
3687 | find_superclass_methods (VEC (typep) *superclasses, | |
b5ec771e | 3688 | const char *name, enum language name_lang, |
f8eba3c6 TT |
3689 | VEC (const_char_ptr) **result_names) |
3690 | { | |
3691 | int old_len = VEC_length (const_char_ptr, *result_names); | |
3692 | VEC (typep) *iter_classes; | |
3693 | struct cleanup *cleanup = make_cleanup (null_cleanup, NULL); | |
3694 | ||
3695 | iter_classes = superclasses; | |
3696 | while (1) | |
3697 | { | |
3698 | VEC (typep) *new_supers = NULL; | |
3699 | int ix; | |
3700 | struct type *t; | |
3701 | ||
3702 | make_cleanup (VEC_cleanup (typep), &new_supers); | |
3703 | for (ix = 0; VEC_iterate (typep, iter_classes, ix, t); ++ix) | |
b5ec771e | 3704 | find_methods (t, name_lang, name, result_names, &new_supers); |
f8eba3c6 TT |
3705 | |
3706 | if (VEC_length (const_char_ptr, *result_names) != old_len | |
3707 | || VEC_empty (typep, new_supers)) | |
3708 | break; | |
4224873a | 3709 | |
f8eba3c6 TT |
3710 | iter_classes = new_supers; |
3711 | } | |
4224873a | 3712 | |
f8eba3c6 TT |
3713 | do_cleanups (cleanup); |
3714 | } | |
3715 | ||
40e084e1 KS |
3716 | /* This finds the method METHOD_NAME in the class CLASS_NAME whose type is |
3717 | given by one of the symbols in SYM_CLASSES. Matches are returned | |
3718 | in SYMBOLS (for debug symbols) and MINSYMS (for minimal symbols). */ | |
f8eba3c6 | 3719 | |
40e084e1 | 3720 | static void |
ec94af83 | 3721 | find_method (struct linespec_state *self, VEC (symtab_ptr) *file_symtabs, |
40e084e1 KS |
3722 | const char *class_name, const char *method_name, |
3723 | VEC (symbolp) *sym_classes, VEC (symbolp) **symbols, | |
f60e2d5c | 3724 | VEC (bound_minimal_symbol_d) **minsyms) |
f8eba3c6 | 3725 | { |
f8eba3c6 TT |
3726 | struct symbol *sym; |
3727 | struct cleanup *cleanup = make_cleanup (null_cleanup, NULL); | |
3728 | int ix; | |
3729 | int last_result_len; | |
3730 | VEC (typep) *superclass_vec; | |
3731 | VEC (const_char_ptr) *result_names; | |
3732 | struct collect_info info; | |
4224873a | 3733 | |
f8eba3c6 TT |
3734 | /* Sort symbols so that symbols with the same program space are next |
3735 | to each other. */ | |
3736 | qsort (VEC_address (symbolp, sym_classes), | |
3737 | VEC_length (symbolp, sym_classes), | |
3738 | sizeof (symbolp), | |
3739 | compare_symbols); | |
3740 | ||
3741 | info.state = self; | |
40e084e1 KS |
3742 | info.file_symtabs = file_symtabs; |
3743 | info.result.symbols = NULL; | |
3744 | info.result.minimal_symbols = NULL; | |
f8eba3c6 TT |
3745 | |
3746 | /* Iterate over all the types, looking for the names of existing | |
40e084e1 | 3747 | methods matching METHOD_NAME. If we cannot find a direct method in a |
f8eba3c6 TT |
3748 | given program space, then we consider inherited methods; this is |
3749 | not ideal (ideal would be to respect C++ hiding rules), but it | |
3750 | seems good enough and is what GDB has historically done. We only | |
3751 | need to collect the names because later we find all symbols with | |
3752 | those names. This loop is written in a somewhat funny way | |
3753 | because we collect data across the program space before deciding | |
3754 | what to do. */ | |
3755 | superclass_vec = NULL; | |
3756 | make_cleanup (VEC_cleanup (typep), &superclass_vec); | |
3757 | result_names = NULL; | |
3758 | make_cleanup (VEC_cleanup (const_char_ptr), &result_names); | |
3759 | last_result_len = 0; | |
3760 | for (ix = 0; VEC_iterate (symbolp, sym_classes, ix, sym); ++ix) | |
3761 | { | |
3762 | struct type *t; | |
3763 | struct program_space *pspace; | |
3764 | ||
3765 | /* Program spaces that are executing startup should have | |
3766 | been filtered out earlier. */ | |
08be3fe3 DE |
3767 | pspace = SYMTAB_PSPACE (symbol_symtab (sym)); |
3768 | gdb_assert (!pspace->executing_startup); | |
f8eba3c6 TT |
3769 | set_current_program_space (pspace); |
3770 | t = check_typedef (SYMBOL_TYPE (sym)); | |
b5ec771e PA |
3771 | find_methods (t, SYMBOL_LANGUAGE (sym), |
3772 | method_name, &result_names, &superclass_vec); | |
f8eba3c6 TT |
3773 | |
3774 | /* Handle all items from a single program space at once; and be | |
3775 | sure not to miss the last batch. */ | |
3776 | if (ix == VEC_length (symbolp, sym_classes) - 1 | |
3777 | || (pspace | |
08be3fe3 | 3778 | != SYMTAB_PSPACE (symbol_symtab (VEC_index (symbolp, sym_classes, |
f8eba3c6 | 3779 | ix + 1))))) |
4224873a | 3780 | { |
f8eba3c6 TT |
3781 | /* If we did not find a direct implementation anywhere in |
3782 | this program space, consider superclasses. */ | |
3783 | if (VEC_length (const_char_ptr, result_names) == last_result_len) | |
40e084e1 | 3784 | find_superclass_methods (superclass_vec, method_name, |
b5ec771e | 3785 | SYMBOL_LANGUAGE (sym), &result_names); |
f8eba3c6 TT |
3786 | |
3787 | /* We have a list of candidate symbol names, so now we | |
3788 | iterate over the symbol tables looking for all | |
3789 | matches in this pspace. */ | |
3790 | add_all_symbol_names_from_pspace (&info, pspace, result_names); | |
3791 | ||
3792 | VEC_truncate (typep, superclass_vec, 0); | |
3793 | last_result_len = VEC_length (const_char_ptr, result_names); | |
4224873a | 3794 | } |
4224873a | 3795 | } |
f8eba3c6 | 3796 | |
40e084e1 | 3797 | if (!VEC_empty (symbolp, info.result.symbols) |
f60e2d5c | 3798 | || !VEC_empty (bound_minimal_symbol_d, info.result.minimal_symbols)) |
4224873a | 3799 | { |
40e084e1 KS |
3800 | *symbols = info.result.symbols; |
3801 | *minsyms = info.result.minimal_symbols; | |
f8eba3c6 | 3802 | do_cleanups (cleanup); |
40e084e1 | 3803 | return; |
4224873a | 3804 | } |
f8eba3c6 | 3805 | |
40e084e1 KS |
3806 | /* Throw an NOT_FOUND_ERROR. This will be caught by the caller |
3807 | and other attempts to locate the symbol will be made. */ | |
3808 | throw_error (NOT_FOUND_ERROR, _("see caller, this text doesn't matter")); | |
f8eba3c6 TT |
3809 | } |
3810 | ||
3811 | \f | |
3812 | ||
ffdbe864 YQ |
3813 | namespace { |
3814 | ||
14bc53a8 PA |
3815 | /* This function object is a callback for iterate_over_symtabs, used |
3816 | when collecting all matching symtabs. */ | |
f8eba3c6 | 3817 | |
14bc53a8 | 3818 | class symtab_collector |
f8eba3c6 | 3819 | { |
14bc53a8 | 3820 | public: |
fc4007c9 | 3821 | symtab_collector () |
fc4007c9 | 3822 | { |
14bc53a8 PA |
3823 | m_symtabs = NULL; |
3824 | m_symtab_table = htab_create (1, htab_hash_pointer, htab_eq_pointer, | |
3825 | NULL); | |
fc4007c9 TT |
3826 | } |
3827 | ||
3828 | ~symtab_collector () | |
3829 | { | |
14bc53a8 PA |
3830 | if (m_symtab_table != NULL) |
3831 | htab_delete (m_symtab_table); | |
fc4007c9 | 3832 | } |
f8eba3c6 | 3833 | |
14bc53a8 PA |
3834 | /* Callable as a symbol_found_callback_ftype callback. */ |
3835 | bool operator () (symtab *sym); | |
f8eba3c6 | 3836 | |
14bc53a8 PA |
3837 | /* Releases ownership of the collected symtabs and returns them. */ |
3838 | VEC (symtab_ptr) *release_symtabs () | |
3839 | { | |
3840 | VEC (symtab_ptr) *res = m_symtabs; | |
3841 | m_symtabs = NULL; | |
3842 | return res; | |
3843 | } | |
3844 | ||
3845 | private: | |
3846 | /* The result vector of symtabs. */ | |
3847 | VEC (symtab_ptr) *m_symtabs; | |
3848 | ||
3849 | /* This is used to ensure the symtabs are unique. */ | |
3850 | htab_t m_symtab_table; | |
3851 | }; | |
3852 | ||
3853 | bool | |
3854 | symtab_collector::operator () (struct symtab *symtab) | |
f8eba3c6 | 3855 | { |
f8eba3c6 TT |
3856 | void **slot; |
3857 | ||
14bc53a8 | 3858 | slot = htab_find_slot (m_symtab_table, symtab, INSERT); |
f8eba3c6 | 3859 | if (!*slot) |
4224873a | 3860 | { |
f8eba3c6 | 3861 | *slot = symtab; |
14bc53a8 | 3862 | VEC_safe_push (symtab_ptr, m_symtabs, symtab); |
4224873a | 3863 | } |
f8eba3c6 | 3864 | |
14bc53a8 | 3865 | return false; |
4224873a DC |
3866 | } |
3867 | ||
ffdbe864 YQ |
3868 | } // namespace |
3869 | ||
c2f4122d PA |
3870 | /* Given a file name, return a VEC of all matching symtabs. If |
3871 | SEARCH_PSPACE is not NULL, the search is restricted to just that | |
3872 | program space. */ | |
f8eba3c6 | 3873 | |
ec94af83 | 3874 | static VEC (symtab_ptr) * |
c2f4122d PA |
3875 | collect_symtabs_from_filename (const char *file, |
3876 | struct program_space *search_pspace) | |
f8eba3c6 | 3877 | { |
14bc53a8 | 3878 | symtab_collector collector; |
f8eba3c6 TT |
3879 | |
3880 | /* Find that file's data. */ | |
c2f4122d PA |
3881 | if (search_pspace == NULL) |
3882 | { | |
14bc53a8 PA |
3883 | struct program_space *pspace; |
3884 | ||
c2f4122d PA |
3885 | ALL_PSPACES (pspace) |
3886 | { | |
3887 | if (pspace->executing_startup) | |
3888 | continue; | |
f8eba3c6 | 3889 | |
c2f4122d | 3890 | set_current_program_space (pspace); |
14bc53a8 | 3891 | iterate_over_symtabs (file, collector); |
c2f4122d PA |
3892 | } |
3893 | } | |
3894 | else | |
3895 | { | |
3896 | set_current_program_space (search_pspace); | |
14bc53a8 | 3897 | iterate_over_symtabs (file, collector); |
c2f4122d | 3898 | } |
f3c39e76 | 3899 | |
14bc53a8 | 3900 | return collector.release_symtabs (); |
f8eba3c6 TT |
3901 | } |
3902 | ||
c2f4122d PA |
3903 | /* Return all the symtabs associated to the FILENAME. If SEARCH_PSPACE is |
3904 | not NULL, the search is restricted to just that program space. */ | |
f8eba3c6 | 3905 | |
ec94af83 | 3906 | static VEC (symtab_ptr) * |
c2f4122d PA |
3907 | symtabs_from_filename (const char *filename, |
3908 | struct program_space *search_pspace) | |
40e084e1 | 3909 | { |
ec94af83 | 3910 | VEC (symtab_ptr) *result; |
40e084e1 | 3911 | |
c2f4122d | 3912 | result = collect_symtabs_from_filename (filename, search_pspace); |
f8eba3c6 | 3913 | |
ec94af83 | 3914 | if (VEC_empty (symtab_ptr, result)) |
f8eba3c6 | 3915 | { |
40e084e1 KS |
3916 | if (!have_full_symbols () && !have_partial_symbols ()) |
3917 | throw_error (NOT_FOUND_ERROR, | |
3918 | _("No symbol table is loaded. " | |
3919 | "Use the \"file\" command.")); | |
00e52e53 | 3920 | source_file_not_found_error (filename); |
f8eba3c6 TT |
3921 | } |
3922 | ||
40e084e1 | 3923 | return result; |
84fba31b | 3924 | } |
f3c39e76 | 3925 | |
40e084e1 KS |
3926 | /* Look up a function symbol named NAME in symtabs FILE_SYMTABS. Matching |
3927 | debug symbols are returned in SYMBOLS. Matching minimal symbols are | |
3928 | returned in MINSYMS. */ | |
14e91ac5 | 3929 | |
40e084e1 KS |
3930 | static void |
3931 | find_function_symbols (struct linespec_state *state, | |
ec94af83 | 3932 | VEC (symtab_ptr) *file_symtabs, const char *name, |
40e084e1 | 3933 | VEC (symbolp) **symbols, |
f60e2d5c | 3934 | VEC (bound_minimal_symbol_d) **minsyms) |
14e91ac5 | 3935 | { |
40e084e1 KS |
3936 | struct collect_info info; |
3937 | VEC (const_char_ptr) *symbol_names = NULL; | |
3938 | struct cleanup *cleanup = make_cleanup (VEC_cleanup (const_char_ptr), | |
3939 | &symbol_names); | |
14e91ac5 | 3940 | |
40e084e1 KS |
3941 | info.state = state; |
3942 | info.result.symbols = NULL; | |
3943 | info.result.minimal_symbols = NULL; | |
3944 | info.file_symtabs = file_symtabs; | |
e0881a8e | 3945 | |
40e084e1 | 3946 | /* Try NAME as an Objective-C selector. */ |
d7561cbb | 3947 | find_imps (name, &symbol_names); |
40e084e1 | 3948 | if (!VEC_empty (const_char_ptr, symbol_names)) |
c2f4122d PA |
3949 | add_all_symbol_names_from_pspace (&info, state->search_pspace, |
3950 | symbol_names); | |
40e084e1 | 3951 | else |
b5ec771e PA |
3952 | add_matching_symbols_to_info (name, symbol_name_match_type::WILD, |
3953 | &info, state->search_pspace); | |
40e084e1 KS |
3954 | |
3955 | do_cleanups (cleanup); | |
3956 | ||
3957 | if (VEC_empty (symbolp, info.result.symbols)) | |
3958 | { | |
3959 | VEC_free (symbolp, info.result.symbols); | |
3960 | *symbols = NULL; | |
14e91ac5 DC |
3961 | } |
3962 | else | |
40e084e1 KS |
3963 | *symbols = info.result.symbols; |
3964 | ||
f60e2d5c | 3965 | if (VEC_empty (bound_minimal_symbol_d, info.result.minimal_symbols)) |
14e91ac5 | 3966 | { |
f60e2d5c | 3967 | VEC_free (bound_minimal_symbol_d, info.result.minimal_symbols); |
40e084e1 KS |
3968 | *minsyms = NULL; |
3969 | } | |
3970 | else | |
3971 | *minsyms = info.result.minimal_symbols; | |
3972 | } | |
3973 | ||
3974 | /* Find all symbols named NAME in FILE_SYMTABS, returning debug symbols | |
3975 | in SYMBOLS and minimal symbols in MINSYMS. */ | |
14e91ac5 | 3976 | |
b1ae631a | 3977 | static void |
40e084e1 | 3978 | find_linespec_symbols (struct linespec_state *state, |
ec94af83 | 3979 | VEC (symtab_ptr) *file_symtabs, |
b5ec771e | 3980 | const char *lookup_name, |
40e084e1 | 3981 | VEC (symbolp) **symbols, |
f60e2d5c | 3982 | VEC (bound_minimal_symbol_d) **minsyms) |
40e084e1 | 3983 | { |
2f408ecb PA |
3984 | std::string canon = cp_canonicalize_string_no_typedefs (lookup_name); |
3985 | if (!canon.empty ()) | |
3986 | lookup_name = canon.c_str (); | |
3987 | ||
cc81e1c6 DE |
3988 | /* It's important to not call expand_symtabs_matching unnecessarily |
3989 | as it can really slow things down (by unnecessarily expanding | |
3990 | potentially 1000s of symtabs, which when debugging some apps can | |
3991 | cost 100s of seconds). Avoid this to some extent by *first* calling | |
3992 | find_function_symbols, and only if that doesn't find anything | |
3993 | *then* call find_method. This handles two important cases: | |
3994 | 1) break (anonymous namespace)::foo | |
3995 | 2) break class::method where method is in class (and not a baseclass) */ | |
14e91ac5 | 3996 | |
cc81e1c6 DE |
3997 | find_function_symbols (state, file_symtabs, lookup_name, |
3998 | symbols, minsyms); | |
14e91ac5 | 3999 | |
cc81e1c6 DE |
4000 | /* If we were unable to locate a symbol of the same name, try dividing |
4001 | the name into class and method names and searching the class and its | |
4002 | baseclasses. */ | |
4003 | if (VEC_empty (symbolp, *symbols) | |
f60e2d5c | 4004 | && VEC_empty (bound_minimal_symbol_d, *minsyms)) |
40e084e1 | 4005 | { |
2f408ecb | 4006 | std::string klass, method; |
cc81e1c6 DE |
4007 | const char *last, *p, *scope_op; |
4008 | VEC (symbolp) *classes; | |
14e91ac5 | 4009 | |
cc81e1c6 DE |
4010 | /* See if we can find a scope operator and break this symbol |
4011 | name into namespaces${SCOPE_OPERATOR}class_name and method_name. */ | |
4012 | scope_op = "::"; | |
4013 | p = find_toplevel_string (lookup_name, scope_op); | |
14e91ac5 | 4014 | |
cc81e1c6 DE |
4015 | last = NULL; |
4016 | while (p != NULL) | |
f8eba3c6 | 4017 | { |
cc81e1c6 DE |
4018 | last = p; |
4019 | p = find_toplevel_string (p + strlen (scope_op), scope_op); | |
f8eba3c6 | 4020 | } |
14e91ac5 | 4021 | |
cc81e1c6 DE |
4022 | /* If no scope operator was found, there is nothing more we can do; |
4023 | we already attempted to lookup the entire name as a symbol | |
4024 | and failed. */ | |
4025 | if (last == NULL) | |
2f408ecb | 4026 | return; |
cc81e1c6 DE |
4027 | |
4028 | /* LOOKUP_NAME points to the class name. | |
4029 | LAST points to the method name. */ | |
2f408ecb | 4030 | klass = std::string (lookup_name, last - lookup_name); |
cc81e1c6 DE |
4031 | |
4032 | /* Skip past the scope operator. */ | |
4033 | last += strlen (scope_op); | |
2f408ecb | 4034 | method = last; |
cc81e1c6 DE |
4035 | |
4036 | /* Find a list of classes named KLASS. */ | |
2f408ecb PA |
4037 | classes = lookup_prefix_sym (state, file_symtabs, klass.c_str ()); |
4038 | struct cleanup *old_chain | |
4039 | = make_cleanup (VEC_cleanup (symbolp), &classes); | |
cc81e1c6 DE |
4040 | |
4041 | if (!VEC_empty (symbolp, classes)) | |
4042 | { | |
4043 | /* Now locate a list of suitable methods named METHOD. */ | |
492d29ea | 4044 | TRY |
cc81e1c6 | 4045 | { |
2f408ecb PA |
4046 | find_method (state, file_symtabs, |
4047 | klass.c_str (), method.c_str (), | |
4048 | classes, symbols, minsyms); | |
cc81e1c6 DE |
4049 | } |
4050 | ||
4051 | /* If successful, we're done. If NOT_FOUND_ERROR | |
4052 | was not thrown, rethrow the exception that we did get. */ | |
492d29ea | 4053 | CATCH (except, RETURN_MASK_ERROR) |
7556d4a4 PA |
4054 | { |
4055 | if (except.error != NOT_FOUND_ERROR) | |
4056 | throw_exception (except); | |
4057 | } | |
492d29ea | 4058 | END_CATCH |
cc81e1c6 | 4059 | } |
14e91ac5 | 4060 | |
2f408ecb PA |
4061 | do_cleanups (old_chain); |
4062 | } | |
14e91ac5 DC |
4063 | } |
4064 | ||
a2459270 PA |
4065 | /* Helper for find_label_symbols. Find all labels that match name |
4066 | NAME in BLOCK. Return all labels that match in FUNCTION_SYMBOLS. | |
4067 | Return the actual function symbol in which the label was found in | |
4068 | LABEL_FUNC_RET. If COMPLETION_MODE is true, then NAME is | |
4069 | interpreted as a label name prefix. Otherwise, only a label named | |
4070 | exactly NAME match. */ | |
4071 | ||
4072 | static void | |
4073 | find_label_symbols_in_block (const struct block *block, | |
4074 | const char *name, struct symbol *fn_sym, | |
4075 | bool completion_mode, | |
4076 | VEC (symbolp) **result, | |
4077 | VEC (symbolp) **label_funcs_ret) | |
4078 | { | |
4079 | if (completion_mode) | |
4080 | { | |
4081 | struct block_iterator iter; | |
4082 | struct symbol *sym; | |
4083 | size_t name_len = strlen (name); | |
4084 | ||
4085 | int (*cmp) (const char *, const char *, size_t); | |
4086 | cmp = case_sensitivity == case_sensitive_on ? strncmp : strncasecmp; | |
4087 | ||
4088 | ALL_BLOCK_SYMBOLS (block, iter, sym) | |
4089 | { | |
4090 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), | |
4091 | SYMBOL_DOMAIN (sym), LABEL_DOMAIN) | |
4092 | && cmp (SYMBOL_SEARCH_NAME (sym), name, name_len) == 0) | |
4093 | { | |
4094 | VEC_safe_push (symbolp, *result, sym); | |
4095 | VEC_safe_push (symbolp, *label_funcs_ret, fn_sym); | |
4096 | } | |
4097 | } | |
4098 | } | |
4099 | else | |
4100 | { | |
4101 | struct symbol *sym = lookup_symbol (name, block, LABEL_DOMAIN, 0).symbol; | |
4102 | ||
4103 | if (sym != NULL) | |
4104 | { | |
4105 | VEC_safe_push (symbolp, *result, sym); | |
4106 | VEC_safe_push (symbolp, *label_funcs_ret, fn_sym); | |
4107 | } | |
4108 | } | |
4109 | } | |
4110 | ||
4111 | /* Return all labels that match name NAME in FUNCTION_SYMBOLS. Return | |
4112 | the actual function symbol in which the label was found in | |
4113 | LABEL_FUNC_RET. If COMPLETION_MODE is true, then NAME is | |
4114 | interpreted as a label name prefix. Otherwise, only labels named | |
4115 | exactly NAME match. */ | |
0f5238ed | 4116 | |
40e084e1 KS |
4117 | static VEC (symbolp) * |
4118 | find_label_symbols (struct linespec_state *self, | |
4119 | VEC (symbolp) *function_symbols, | |
a2459270 PA |
4120 | VEC (symbolp) **label_funcs_ret, const char *name, |
4121 | bool completion_mode) | |
0f5238ed | 4122 | { |
f8eba3c6 | 4123 | int ix; |
3977b71f | 4124 | const struct block *block; |
40e084e1 KS |
4125 | struct symbol *sym; |
4126 | struct symbol *fn_sym; | |
4127 | VEC (symbolp) *result = NULL; | |
9ef07c8c | 4128 | |
f8eba3c6 | 4129 | if (function_symbols == NULL) |
9ef07c8c | 4130 | { |
f8eba3c6 | 4131 | set_current_program_space (self->program_space); |
4eeaa230 | 4132 | block = get_current_search_block (); |
f8eba3c6 | 4133 | |
9ef07c8c TT |
4134 | for (; |
4135 | block && !BLOCK_FUNCTION (block); | |
4136 | block = BLOCK_SUPERBLOCK (block)) | |
4137 | ; | |
4138 | if (!block) | |
40e084e1 | 4139 | return NULL; |
f8eba3c6 TT |
4140 | fn_sym = BLOCK_FUNCTION (block); |
4141 | ||
a2459270 PA |
4142 | find_label_symbols_in_block (block, name, fn_sym, completion_mode, |
4143 | &result, label_funcs_ret); | |
40e084e1 KS |
4144 | } |
4145 | else | |
4146 | { | |
4147 | for (ix = 0; | |
4148 | VEC_iterate (symbolp, function_symbols, ix, fn_sym); ++ix) | |
f8eba3c6 | 4149 | { |
08be3fe3 | 4150 | set_current_program_space (SYMTAB_PSPACE (symbol_symtab (fn_sym))); |
40e084e1 | 4151 | block = SYMBOL_BLOCK_VALUE (fn_sym); |
40e084e1 | 4152 | |
a2459270 PA |
4153 | find_label_symbols_in_block (block, name, fn_sym, completion_mode, |
4154 | &result, label_funcs_ret); | |
f8eba3c6 | 4155 | } |
40e084e1 | 4156 | } |
f8eba3c6 | 4157 | |
40e084e1 KS |
4158 | return result; |
4159 | } | |
f8eba3c6 | 4160 | |
40e084e1 KS |
4161 | \f |
4162 | ||
4163 | /* A helper for create_sals_line_offset that handles the 'list_mode' case. */ | |
4164 | ||
6c5b2ebe | 4165 | static std::vector<symtab_and_line> |
40e084e1 KS |
4166 | decode_digits_list_mode (struct linespec_state *self, |
4167 | linespec_p ls, | |
40e084e1 KS |
4168 | struct symtab_and_line val) |
4169 | { | |
4170 | int ix; | |
4171 | struct symtab *elt; | |
4172 | ||
4173 | gdb_assert (self->list_mode); | |
4174 | ||
6c5b2ebe PA |
4175 | std::vector<symtab_and_line> values; |
4176 | ||
ec94af83 | 4177 | for (ix = 0; VEC_iterate (symtab_ptr, ls->file_symtabs, ix, elt); |
40e084e1 KS |
4178 | ++ix) |
4179 | { | |
4180 | /* The logic above should ensure this. */ | |
4181 | gdb_assert (elt != NULL); | |
4182 | ||
4183 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
4184 | ||
4185 | /* Simplistic search just for the list command. */ | |
4186 | val.symtab = find_line_symtab (elt, val.line, NULL, NULL); | |
4187 | if (val.symtab == NULL) | |
4188 | val.symtab = elt; | |
4189 | val.pspace = SYMTAB_PSPACE (elt); | |
4190 | val.pc = 0; | |
4191 | val.explicit_line = 1; | |
4192 | ||
6c5b2ebe | 4193 | add_sal_to_sals (self, &values, &val, NULL, 0); |
f8eba3c6 | 4194 | } |
6c5b2ebe PA |
4195 | |
4196 | return values; | |
40e084e1 | 4197 | } |
f8eba3c6 | 4198 | |
40e084e1 KS |
4199 | /* A helper for create_sals_line_offset that iterates over the symtabs, |
4200 | adding lines to the VEC. */ | |
4201 | ||
6c5b2ebe | 4202 | static std::vector<symtab_and_line> |
40e084e1 KS |
4203 | decode_digits_ordinary (struct linespec_state *self, |
4204 | linespec_p ls, | |
4205 | int line, | |
40e084e1 KS |
4206 | struct linetable_entry **best_entry) |
4207 | { | |
4208 | int ix; | |
4209 | struct symtab *elt; | |
f8eba3c6 | 4210 | |
6c5b2ebe | 4211 | std::vector<symtab_and_line> sals; |
ec94af83 | 4212 | for (ix = 0; VEC_iterate (symtab_ptr, ls->file_symtabs, ix, elt); ++ix) |
f8eba3c6 | 4213 | { |
67d89901 | 4214 | std::vector<CORE_ADDR> pcs; |
40e084e1 KS |
4215 | |
4216 | /* The logic above should ensure this. */ | |
4217 | gdb_assert (elt != NULL); | |
f8eba3c6 | 4218 | |
40e084e1 | 4219 | set_current_program_space (SYMTAB_PSPACE (elt)); |
f8eba3c6 | 4220 | |
40e084e1 | 4221 | pcs = find_pcs_for_symtab_line (elt, line, best_entry); |
67d89901 | 4222 | for (CORE_ADDR pc : pcs) |
f8eba3c6 | 4223 | { |
51abb421 | 4224 | symtab_and_line sal; |
40e084e1 KS |
4225 | sal.pspace = SYMTAB_PSPACE (elt); |
4226 | sal.symtab = elt; | |
4227 | sal.line = line; | |
4228 | sal.pc = pc; | |
6c5b2ebe | 4229 | sals.push_back (std::move (sal)); |
f8eba3c6 TT |
4230 | } |
4231 | } | |
6c5b2ebe PA |
4232 | |
4233 | return sals; | |
40e084e1 KS |
4234 | } |
4235 | ||
4236 | \f | |
4237 | ||
4238 | /* Return the line offset represented by VARIABLE. */ | |
4239 | ||
4240 | static struct line_offset | |
4241 | linespec_parse_variable (struct linespec_state *self, const char *variable) | |
4242 | { | |
4243 | int index = 0; | |
4244 | const char *p; | |
4245 | struct line_offset offset = {0, LINE_OFFSET_NONE}; | |
f8eba3c6 | 4246 | |
40e084e1 KS |
4247 | p = (variable[1] == '$') ? variable + 2 : variable + 1; |
4248 | if (*p == '$') | |
4249 | ++p; | |
4250 | while (*p >= '0' && *p <= '9') | |
4251 | ++p; | |
4252 | if (!*p) /* Reached end of token without hitting non-digit. */ | |
f8eba3c6 | 4253 | { |
40e084e1 KS |
4254 | /* We have a value history reference. */ |
4255 | struct value *val_history; | |
f8eba3c6 | 4256 | |
40e084e1 KS |
4257 | sscanf ((variable[1] == '$') ? variable + 2 : variable + 1, "%d", &index); |
4258 | val_history | |
4259 | = access_value_history ((variable[1] == '$') ? -index : index); | |
4260 | if (TYPE_CODE (value_type (val_history)) != TYPE_CODE_INT) | |
4261 | error (_("History values used in line " | |
4262 | "specs must have integer values.")); | |
4263 | offset.offset = value_as_long (val_history); | |
4264 | } | |
4265 | else | |
4266 | { | |
4267 | /* Not all digits -- may be user variable/function or a | |
4268 | convenience variable. */ | |
4269 | LONGEST valx; | |
4270 | struct internalvar *ivar; | |
4271 | ||
4272 | /* Try it as a convenience variable. If it is not a convenience | |
4273 | variable, return and allow normal symbol lookup to occur. */ | |
4274 | ivar = lookup_only_internalvar (variable + 1); | |
4275 | if (ivar == NULL) | |
4276 | /* No internal variable with that name. Mark the offset | |
4277 | as unknown to allow the name to be looked up as a symbol. */ | |
4278 | offset.sign = LINE_OFFSET_UNKNOWN; | |
4279 | else | |
4280 | { | |
4281 | /* We found a valid variable name. If it is not an integer, | |
4282 | throw an error. */ | |
4283 | if (!get_internalvar_integer (ivar, &valx)) | |
4284 | error (_("Convenience variables used in line " | |
4285 | "specs must have integer values.")); | |
4286 | else | |
4287 | offset.offset = valx; | |
4288 | } | |
f8eba3c6 TT |
4289 | } |
4290 | ||
40e084e1 | 4291 | return offset; |
f8eba3c6 | 4292 | } |
40e084e1 | 4293 | \f |
f8eba3c6 | 4294 | |
40e084e1 | 4295 | /* We've found a minimal symbol MSYMBOL in OBJFILE to associate with our |
6e22494e JK |
4296 | linespec; return the SAL in RESULT. This function should return SALs |
4297 | matching those from find_function_start_sal, otherwise false | |
4298 | multiple-locations breakpoints could be placed. */ | |
f8eba3c6 TT |
4299 | |
4300 | static void | |
4301 | minsym_found (struct linespec_state *self, struct objfile *objfile, | |
4302 | struct minimal_symbol *msymbol, | |
6c5b2ebe | 4303 | std::vector<symtab_and_line> *result) |
f8eba3c6 TT |
4304 | { |
4305 | struct gdbarch *gdbarch = get_objfile_arch (objfile); | |
4306 | CORE_ADDR pc; | |
4307 | struct symtab_and_line sal; | |
4308 | ||
e5f25bc5 | 4309 | if (msymbol_is_text (msymbol)) |
6e22494e | 4310 | { |
e5f25bc5 PA |
4311 | sal = find_pc_sect_line (MSYMBOL_VALUE_ADDRESS (objfile, msymbol), |
4312 | (struct obj_section *) 0, 0); | |
4313 | sal.section = MSYMBOL_OBJ_SECTION (objfile, msymbol); | |
4314 | ||
4315 | /* The minimal symbol might point to a function descriptor; | |
4316 | resolve it to the actual code address instead. */ | |
4317 | pc = gdbarch_convert_from_func_ptr_addr (gdbarch, sal.pc, | |
4318 | ¤t_target); | |
4319 | if (pc != sal.pc) | |
4320 | sal = find_pc_sect_line (pc, NULL, 0); | |
4321 | ||
4322 | if (self->funfirstline) | |
6e22494e | 4323 | { |
e5f25bc5 PA |
4324 | if (sal.symtab != NULL |
4325 | && (COMPUNIT_LOCATIONS_VALID (SYMTAB_COMPUNIT (sal.symtab)) | |
4326 | || SYMTAB_LANGUAGE (sal.symtab) == language_asm)) | |
4327 | { | |
4328 | /* If gdbarch_convert_from_func_ptr_addr does not apply then | |
4329 | sal.SECTION, sal.LINE&co. will stay correct from above. | |
4330 | If gdbarch_convert_from_func_ptr_addr applies then | |
4331 | sal.SECTION is cleared from above and sal.LINE&co. will | |
4332 | stay correct from the last find_pc_sect_line above. */ | |
4333 | sal.pc = MSYMBOL_VALUE_ADDRESS (objfile, msymbol); | |
4334 | sal.pc = gdbarch_convert_from_func_ptr_addr (gdbarch, sal.pc, | |
4335 | ¤t_target); | |
4336 | if (gdbarch_skip_entrypoint_p (gdbarch)) | |
4337 | sal.pc = gdbarch_skip_entrypoint (gdbarch, sal.pc); | |
4338 | } | |
4339 | else | |
4340 | skip_prologue_sal (&sal); | |
6e22494e | 4341 | } |
e5f25bc5 PA |
4342 | } |
4343 | else | |
4344 | { | |
4345 | sal.objfile = objfile; | |
4346 | sal.pc = MSYMBOL_VALUE_ADDRESS (objfile, msymbol); | |
4347 | sal.pspace = current_program_space; | |
4348 | sal.section = MSYMBOL_OBJ_SECTION (objfile, msymbol); | |
6e22494e | 4349 | } |
f8eba3c6 | 4350 | |
07fea4b4 | 4351 | if (maybe_add_address (self->addr_set, objfile->pspace, sal.pc)) |
efd66ac6 | 4352 | add_sal_to_sals (self, result, &sal, MSYMBOL_NATURAL_NAME (msymbol), 0); |
f8eba3c6 TT |
4353 | } |
4354 | ||
39b856a4 TT |
4355 | /* A helper struct to pass some data through |
4356 | iterate_over_minimal_symbols. */ | |
4357 | ||
4358 | struct collect_minsyms | |
4359 | { | |
4360 | /* The objfile we're examining. */ | |
4361 | struct objfile *objfile; | |
4362 | ||
87186c6a MMN |
4363 | /* Only search the given symtab, or NULL to search for all symbols. */ |
4364 | struct symtab *symtab; | |
4365 | ||
39b856a4 TT |
4366 | /* The funfirstline setting from the initial call. */ |
4367 | int funfirstline; | |
4368 | ||
095bcf5e JB |
4369 | /* The list_mode setting from the initial call. */ |
4370 | int list_mode; | |
4371 | ||
39b856a4 | 4372 | /* The resulting symbols. */ |
f60e2d5c | 4373 | VEC (bound_minimal_symbol_d) *msyms; |
39b856a4 TT |
4374 | }; |
4375 | ||
4376 | /* A helper function to classify a minimal_symbol_type according to | |
4377 | priority. */ | |
4378 | ||
4379 | static int | |
4380 | classify_mtype (enum minimal_symbol_type t) | |
4381 | { | |
4382 | switch (t) | |
f8eba3c6 | 4383 | { |
39b856a4 TT |
4384 | case mst_file_text: |
4385 | case mst_file_data: | |
4386 | case mst_file_bss: | |
4387 | /* Intermediate priority. */ | |
4388 | return 1; | |
4389 | ||
4390 | case mst_solib_trampoline: | |
4391 | /* Lowest priority. */ | |
4392 | return 2; | |
4393 | ||
4394 | default: | |
4395 | /* Highest priority. */ | |
4396 | return 0; | |
f8eba3c6 | 4397 | } |
39b856a4 TT |
4398 | } |
4399 | ||
4400 | /* Callback for qsort that sorts symbols by priority. */ | |
4401 | ||
4402 | static int | |
4403 | compare_msyms (const void *a, const void *b) | |
4404 | { | |
9a3c8263 SM |
4405 | const bound_minimal_symbol_d *moa = (const bound_minimal_symbol_d *) a; |
4406 | const bound_minimal_symbol_d *mob = (const bound_minimal_symbol_d *) b; | |
39b856a4 TT |
4407 | enum minimal_symbol_type ta = MSYMBOL_TYPE (moa->minsym); |
4408 | enum minimal_symbol_type tb = MSYMBOL_TYPE (mob->minsym); | |
4409 | ||
4410 | return classify_mtype (ta) - classify_mtype (tb); | |
4411 | } | |
4412 | ||
4413 | /* Callback for iterate_over_minimal_symbols that adds the symbol to | |
4414 | the result. */ | |
4415 | ||
4416 | static void | |
4417 | add_minsym (struct minimal_symbol *minsym, void *d) | |
4418 | { | |
9a3c8263 | 4419 | struct collect_minsyms *info = (struct collect_minsyms *) d; |
f60e2d5c | 4420 | bound_minimal_symbol_d mo; |
39b856a4 | 4421 | |
77e371c0 TT |
4422 | mo.minsym = minsym; |
4423 | mo.objfile = info->objfile; | |
4424 | ||
87186c6a MMN |
4425 | if (info->symtab != NULL) |
4426 | { | |
4427 | CORE_ADDR pc; | |
4428 | struct symtab_and_line sal; | |
4429 | struct gdbarch *gdbarch = get_objfile_arch (info->objfile); | |
4430 | ||
4431 | sal = find_pc_sect_line (MSYMBOL_VALUE_ADDRESS (info->objfile, minsym), | |
4432 | NULL, 0); | |
4433 | sal.section = MSYMBOL_OBJ_SECTION (info->objfile, minsym); | |
4434 | pc | |
4435 | = gdbarch_convert_from_func_ptr_addr (gdbarch, sal.pc, ¤t_target); | |
4436 | if (pc != sal.pc) | |
4437 | sal = find_pc_sect_line (pc, NULL, 0); | |
4438 | ||
4439 | if (info->symtab != sal.symtab) | |
4440 | return; | |
4441 | } | |
4442 | ||
095bcf5e JB |
4443 | /* Exclude data symbols when looking for breakpoint locations. */ |
4444 | if (!info->list_mode) | |
4445 | switch (minsym->type) | |
4446 | { | |
4447 | case mst_slot_got_plt: | |
4448 | case mst_data: | |
4449 | case mst_bss: | |
4450 | case mst_abs: | |
4451 | case mst_file_data: | |
4452 | case mst_file_bss: | |
1a2da5ee JB |
4453 | { |
4454 | /* Make sure this minsym is not a function descriptor | |
4455 | before we decide to discard it. */ | |
df6d5441 | 4456 | struct gdbarch *gdbarch = get_objfile_arch (info->objfile); |
1a2da5ee | 4457 | CORE_ADDR addr = gdbarch_convert_from_func_ptr_addr |
77e371c0 | 4458 | (gdbarch, BMSYMBOL_VALUE_ADDRESS (mo), |
1a2da5ee JB |
4459 | ¤t_target); |
4460 | ||
77e371c0 | 4461 | if (addr == BMSYMBOL_VALUE_ADDRESS (mo)) |
1a2da5ee JB |
4462 | return; |
4463 | } | |
095bcf5e JB |
4464 | } |
4465 | ||
f60e2d5c | 4466 | VEC_safe_push (bound_minimal_symbol_d, info->msyms, &mo); |
f8eba3c6 TT |
4467 | } |
4468 | ||
87186c6a | 4469 | /* Search for minimal symbols called NAME. If SEARCH_PSPACE |
f8eba3c6 | 4470 | is not NULL, the search is restricted to just that program |
87186c6a MMN |
4471 | space. |
4472 | ||
4473 | If SYMTAB is NULL, search all objfiles, otherwise | |
4474 | restrict results to the given SYMTAB. */ | |
f8eba3c6 TT |
4475 | |
4476 | static void | |
b5ec771e PA |
4477 | search_minsyms_for_name (struct collect_info *info, |
4478 | const lookup_name_info &name, | |
87186c6a MMN |
4479 | struct program_space *search_pspace, |
4480 | struct symtab *symtab) | |
f8eba3c6 | 4481 | { |
87186c6a MMN |
4482 | struct collect_minsyms local; |
4483 | struct cleanup *cleanup; | |
f8eba3c6 | 4484 | |
87186c6a MMN |
4485 | memset (&local, 0, sizeof (local)); |
4486 | local.funfirstline = info->state->funfirstline; | |
4487 | local.list_mode = info->state->list_mode; | |
4488 | local.symtab = symtab; | |
39b856a4 | 4489 | |
87186c6a | 4490 | cleanup = make_cleanup (VEC_cleanup (bound_minimal_symbol_d), &local.msyms); |
f8eba3c6 | 4491 | |
87186c6a MMN |
4492 | if (symtab == NULL) |
4493 | { | |
4494 | struct program_space *pspace; | |
f8eba3c6 | 4495 | |
87186c6a MMN |
4496 | ALL_PSPACES (pspace) |
4497 | { | |
4498 | struct objfile *objfile; | |
39b856a4 | 4499 | |
87186c6a MMN |
4500 | if (search_pspace != NULL && search_pspace != pspace) |
4501 | continue; | |
4502 | if (pspace->executing_startup) | |
4503 | continue; | |
39b856a4 | 4504 | |
87186c6a MMN |
4505 | set_current_program_space (pspace); |
4506 | ||
4507 | ALL_OBJFILES (objfile) | |
4508 | { | |
4509 | local.objfile = objfile; | |
4510 | iterate_over_minimal_symbols (objfile, name, add_minsym, &local); | |
4511 | } | |
4512 | } | |
4513 | } | |
4514 | else | |
f8eba3c6 | 4515 | { |
87186c6a MMN |
4516 | if (search_pspace == NULL || SYMTAB_PSPACE (symtab) == search_pspace) |
4517 | { | |
4518 | set_current_program_space (SYMTAB_PSPACE (symtab)); | |
4519 | local.objfile = SYMTAB_OBJFILE(symtab); | |
b5ec771e | 4520 | iterate_over_minimal_symbols (local.objfile, name, add_minsym, &local); |
87186c6a | 4521 | } |
9ef07c8c | 4522 | } |
39b856a4 | 4523 | |
f60e2d5c | 4524 | if (!VEC_empty (bound_minimal_symbol_d, local.msyms)) |
39b856a4 TT |
4525 | { |
4526 | int classification; | |
4527 | int ix; | |
f60e2d5c | 4528 | bound_minimal_symbol_d *item; |
39b856a4 | 4529 | |
f60e2d5c TT |
4530 | qsort (VEC_address (bound_minimal_symbol_d, local.msyms), |
4531 | VEC_length (bound_minimal_symbol_d, local.msyms), | |
4532 | sizeof (bound_minimal_symbol_d), | |
39b856a4 TT |
4533 | compare_msyms); |
4534 | ||
4535 | /* Now the minsyms are in classification order. So, we walk | |
4536 | over them and process just the minsyms with the same | |
4537 | classification as the very first minsym in the list. */ | |
f60e2d5c | 4538 | item = VEC_index (bound_minimal_symbol_d, local.msyms, 0); |
39b856a4 TT |
4539 | classification = classify_mtype (MSYMBOL_TYPE (item->minsym)); |
4540 | ||
4541 | for (ix = 0; | |
f60e2d5c | 4542 | VEC_iterate (bound_minimal_symbol_d, local.msyms, ix, item); |
39b856a4 TT |
4543 | ++ix) |
4544 | { | |
4545 | if (classify_mtype (MSYMBOL_TYPE (item->minsym)) != classification) | |
4546 | break; | |
4547 | ||
f60e2d5c | 4548 | VEC_safe_push (bound_minimal_symbol_d, |
40e084e1 | 4549 | info->result.minimal_symbols, item); |
39b856a4 TT |
4550 | } |
4551 | } | |
4552 | ||
4553 | do_cleanups (cleanup); | |
f8eba3c6 TT |
4554 | } |
4555 | ||
4556 | /* A helper function to add all symbols matching NAME to INFO. If | |
4557 | PSPACE is not NULL, the search is restricted to just that program | |
4558 | space. */ | |
0f5238ed | 4559 | |
f8eba3c6 TT |
4560 | static void |
4561 | add_matching_symbols_to_info (const char *name, | |
b5ec771e | 4562 | symbol_name_match_type name_match_type, |
f8eba3c6 TT |
4563 | struct collect_info *info, |
4564 | struct program_space *pspace) | |
4565 | { | |
4566 | int ix; | |
4567 | struct symtab *elt; | |
0f5238ed | 4568 | |
b5ec771e PA |
4569 | lookup_name_info lookup_name (name, name_match_type); |
4570 | ||
ec94af83 | 4571 | for (ix = 0; VEC_iterate (symtab_ptr, info->file_symtabs, ix, elt); ++ix) |
f8eba3c6 | 4572 | { |
f8eba3c6 TT |
4573 | if (elt == NULL) |
4574 | { | |
b5ec771e PA |
4575 | iterate_over_all_matching_symtabs (info->state, lookup_name, |
4576 | VAR_DOMAIN, | |
14bc53a8 PA |
4577 | pspace, true, [&] (symbol *sym) |
4578 | { return info->add_symbol (sym); }); | |
b5ec771e | 4579 | search_minsyms_for_name (info, lookup_name, pspace, NULL); |
f8eba3c6 TT |
4580 | } |
4581 | else if (pspace == NULL || pspace == SYMTAB_PSPACE (elt)) | |
4582 | { | |
87186c6a MMN |
4583 | int prev_len = VEC_length (symbolp, info->result.symbols); |
4584 | ||
f8eba3c6 TT |
4585 | /* Program spaces that are executing startup should have |
4586 | been filtered out earlier. */ | |
4587 | gdb_assert (!SYMTAB_PSPACE (elt)->executing_startup); | |
4588 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
b5ec771e PA |
4589 | iterate_over_file_blocks (elt, lookup_name, VAR_DOMAIN, |
4590 | [&] (symbol *sym) | |
14bc53a8 | 4591 | { return info->add_symbol (sym); }); |
87186c6a MMN |
4592 | |
4593 | /* If no new symbols were found in this iteration and this symtab | |
4594 | is in assembler, we might actually be looking for a label for | |
4595 | which we don't have debug info. Check for a minimal symbol in | |
4596 | this case. */ | |
4597 | if (prev_len == VEC_length (symbolp, info->result.symbols) | |
4598 | && elt->language == language_asm) | |
b5ec771e | 4599 | search_minsyms_for_name (info, lookup_name, pspace, elt); |
f8eba3c6 TT |
4600 | } |
4601 | } | |
0f5238ed TT |
4602 | } |
4603 | ||
14e91ac5 DC |
4604 | \f |
4605 | ||
413dad4d DC |
4606 | /* Now come some functions that are called from multiple places within |
4607 | decode_line_1. */ | |
4608 | ||
f8eba3c6 TT |
4609 | static int |
4610 | symbol_to_sal (struct symtab_and_line *result, | |
4611 | int funfirstline, struct symbol *sym) | |
413dad4d | 4612 | { |
413dad4d | 4613 | if (SYMBOL_CLASS (sym) == LOC_BLOCK) |
50641945 | 4614 | { |
f8eba3c6 TT |
4615 | *result = find_function_start_sal (sym, funfirstline); |
4616 | return 1; | |
50641945 | 4617 | } |
413dad4d DC |
4618 | else |
4619 | { | |
62853458 | 4620 | if (SYMBOL_CLASS (sym) == LOC_LABEL && SYMBOL_VALUE_ADDRESS (sym) != 0) |
413dad4d | 4621 | { |
51abb421 | 4622 | *result = {}; |
08be3fe3 | 4623 | result->symtab = symbol_symtab (sym); |
06871ae8 | 4624 | result->symbol = sym; |
f8eba3c6 TT |
4625 | result->line = SYMBOL_LINE (sym); |
4626 | result->pc = SYMBOL_VALUE_ADDRESS (sym); | |
08be3fe3 | 4627 | result->pspace = SYMTAB_PSPACE (result->symtab); |
f8eba3c6 TT |
4628 | result->explicit_pc = 1; |
4629 | return 1; | |
413dad4d | 4630 | } |
62853458 | 4631 | else if (funfirstline) |
dcf9f4ab | 4632 | { |
f8eba3c6 | 4633 | /* Nothing. */ |
dcf9f4ab | 4634 | } |
62853458 TT |
4635 | else if (SYMBOL_LINE (sym) != 0) |
4636 | { | |
4637 | /* We know its line number. */ | |
51abb421 | 4638 | *result = {}; |
08be3fe3 | 4639 | result->symtab = symbol_symtab (sym); |
06871ae8 | 4640 | result->symbol = sym; |
f8eba3c6 | 4641 | result->line = SYMBOL_LINE (sym); |
e5f25bc5 | 4642 | result->pc = SYMBOL_VALUE_ADDRESS (sym); |
08be3fe3 | 4643 | result->pspace = SYMTAB_PSPACE (result->symtab); |
f8eba3c6 | 4644 | return 1; |
62853458 | 4645 | } |
413dad4d | 4646 | } |
f8eba3c6 TT |
4647 | |
4648 | return 0; | |
413dad4d | 4649 | } |
50641945 | 4650 | |
16e802b9 | 4651 | linespec_result::~linespec_result () |
f8eba3c6 | 4652 | { |
6c5b2ebe PA |
4653 | for (linespec_sals &lsal : lsals) |
4654 | xfree (lsal.canonical); | |
7efd8fc2 | 4655 | } |
87f0e720 KS |
4656 | |
4657 | /* Return the quote characters permitted by the linespec parser. */ | |
4658 | ||
4659 | const char * | |
4660 | get_gdb_linespec_parser_quote_characters (void) | |
4661 | { | |
4662 | return linespec_quote_characters; | |
4663 | } |