Commit | Line | Data |
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50641945 | 1 | /* Parser for linespec for the GNU debugger, GDB. |
05ff989b | 2 | |
e2882c85 | 3 | Copyright (C) 1986-2018 Free Software Foundation, Inc. |
50641945 FN |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
50641945 FN |
10 | (at your option) any later version. |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
50641945 FN |
19 | |
20 | #include "defs.h" | |
21 | #include "symtab.h" | |
c5f0f3d0 FN |
22 | #include "frame.h" |
23 | #include "command.h" | |
50641945 FN |
24 | #include "symfile.h" |
25 | #include "objfiles.h" | |
0378c332 | 26 | #include "source.h" |
50641945 | 27 | #include "demangle.h" |
c5f0f3d0 FN |
28 | #include "value.h" |
29 | #include "completer.h" | |
015a42b4 | 30 | #include "cp-abi.h" |
12907978 | 31 | #include "cp-support.h" |
c38da1af | 32 | #include "parser-defs.h" |
fe898f56 | 33 | #include "block.h" |
d2630e69 | 34 | #include "objc-lang.h" |
b9362cc7 | 35 | #include "linespec.h" |
53c5240f | 36 | #include "language.h" |
dc67126b NR |
37 | #include "interps.h" |
38 | #include "mi/mi-cmds.h" | |
bccdca4a | 39 | #include "target.h" |
94af9270 | 40 | #include "arch-utils.h" |
c00f8484 KS |
41 | #include <ctype.h> |
42 | #include "cli/cli-utils.h" | |
731971ed | 43 | #include "filenames.h" |
f8eba3c6 | 44 | #include "ada-lang.h" |
39cf75f7 | 45 | #include "stack.h" |
f00aae0f | 46 | #include "location.h" |
14bc53a8 | 47 | #include "common/function-view.h" |
0fc21fd8 | 48 | #include "common/def-vector.h" |
41c1efc6 | 49 | #include <algorithm> |
f8eba3c6 | 50 | |
c45ec17c PA |
51 | /* An enumeration of the various things a user might attempt to |
52 | complete for a linespec location. */ | |
53 | ||
54 | enum class linespec_complete_what | |
55 | { | |
56 | /* Nothing, no possible completion. */ | |
57 | NOTHING, | |
58 | ||
59 | /* A function/method name. Due to ambiguity between | |
60 | ||
61 | (gdb) b source[TAB] | |
62 | source_file.c | |
63 | source_function | |
64 | ||
65 | this can also indicate a source filename, iff we haven't seen a | |
66 | separate source filename component, as in "b source.c:function". */ | |
67 | FUNCTION, | |
68 | ||
69 | /* A label symbol. E.g., break file.c:function:LABEL. */ | |
70 | LABEL, | |
71 | ||
72 | /* An expression. E.g., "break foo if EXPR", or "break *EXPR". */ | |
73 | EXPRESSION, | |
74 | ||
75 | /* A linespec keyword ("if"/"thread"/"task"). | |
76 | E.g., "break func threa<tab>". */ | |
77 | KEYWORD, | |
78 | }; | |
79 | ||
2a908241 KS |
80 | /* Typedef for unique_ptrs of vectors of symtabs. */ |
81 | ||
82 | typedef std::unique_ptr<std::vector<symtab *>> symtab_vector_up; | |
83 | ||
f8eba3c6 TT |
84 | typedef struct symbol *symbolp; |
85 | DEF_VEC_P (symbolp); | |
86 | ||
f8eba3c6 TT |
87 | /* An address entry is used to ensure that any given location is only |
88 | added to the result a single time. It holds an address and the | |
89 | program space from which the address came. */ | |
90 | ||
91 | struct address_entry | |
92 | { | |
93 | struct program_space *pspace; | |
94 | CORE_ADDR addr; | |
95 | }; | |
96 | ||
f60e2d5c | 97 | typedef struct bound_minimal_symbol bound_minimal_symbol_d; |
40e084e1 | 98 | |
f60e2d5c | 99 | DEF_VEC_O (bound_minimal_symbol_d); |
40e084e1 | 100 | |
40e084e1 KS |
101 | /* A linespec. Elements of this structure are filled in by a parser |
102 | (either parse_linespec or some other function). The structure is | |
103 | then converted into SALs by convert_linespec_to_sals. */ | |
104 | ||
105 | struct linespec | |
106 | { | |
00e52e53 | 107 | /* An explicit location describing the SaLs. */ |
67994074 | 108 | struct explicit_location explicit_loc; |
40e084e1 KS |
109 | |
110 | /* The list of symtabs to search to which to limit the search. May not | |
00e52e53 KS |
111 | be NULL. If explicit.SOURCE_FILENAME is NULL (no user-specified |
112 | filename), FILE_SYMTABS should contain one single NULL member. This | |
113 | will cause the code to use the default symtab. */ | |
2a908241 | 114 | std::vector<symtab *> *file_symtabs; |
40e084e1 | 115 | |
40e084e1 | 116 | /* A list of matching function symbols and minimal symbols. Both lists |
7243d011 KS |
117 | may be NULL (or empty) if no matching symbols were found. */ |
118 | std::vector<symbol *> *function_symbols; | |
c2a031c5 | 119 | std::vector<bound_minimal_symbol> *minimal_symbols; |
40e084e1 | 120 | |
40e084e1 KS |
121 | /* A structure of matching label symbols and the corresponding |
122 | function symbol in which the label was found. Both may be NULL | |
123 | or both must be non-NULL. */ | |
124 | struct | |
125 | { | |
3553eadc | 126 | std::vector<symbol *> *label_symbols; |
7243d011 | 127 | std::vector<symbol *> *function_symbols; |
40e084e1 | 128 | } labels; |
40e084e1 KS |
129 | }; |
130 | typedef struct linespec *linespec_p; | |
131 | ||
33f448b1 JK |
132 | /* A canonical linespec represented as a symtab-related string. |
133 | ||
134 | Each entry represents the "SYMTAB:SUFFIX" linespec string. | |
135 | SYMTAB can be converted for example by symtab_to_fullname or | |
136 | symtab_to_filename_for_display as needed. */ | |
137 | ||
138 | struct linespec_canonical_name | |
139 | { | |
140 | /* Remaining text part of the linespec string. */ | |
141 | char *suffix; | |
142 | ||
143 | /* If NULL then SUFFIX is the whole linespec string. */ | |
144 | struct symtab *symtab; | |
145 | }; | |
146 | ||
f8eba3c6 TT |
147 | /* An instance of this is used to keep all state while linespec |
148 | operates. This instance is passed around as a 'this' pointer to | |
149 | the various implementation methods. */ | |
150 | ||
151 | struct linespec_state | |
152 | { | |
40e084e1 KS |
153 | /* The language in use during linespec processing. */ |
154 | const struct language_defn *language; | |
155 | ||
f8eba3c6 TT |
156 | /* The program space as seen when the module was entered. */ |
157 | struct program_space *program_space; | |
158 | ||
c2f4122d PA |
159 | /* If not NULL, the search is restricted to just this program |
160 | space. */ | |
161 | struct program_space *search_pspace; | |
162 | ||
f8eba3c6 TT |
163 | /* The default symtab to use, if no other symtab is specified. */ |
164 | struct symtab *default_symtab; | |
165 | ||
166 | /* The default line to use. */ | |
167 | int default_line; | |
168 | ||
f8eba3c6 TT |
169 | /* The 'funfirstline' value that was passed in to decode_line_1 or |
170 | decode_line_full. */ | |
171 | int funfirstline; | |
172 | ||
173 | /* Nonzero if we are running in 'list' mode; see decode_line_list. */ | |
174 | int list_mode; | |
175 | ||
176 | /* The 'canonical' value passed to decode_line_full, or NULL. */ | |
177 | struct linespec_result *canonical; | |
178 | ||
6c5b2ebe | 179 | /* Canonical strings that mirror the std::vector<symtab_and_line> result. */ |
33f448b1 | 180 | struct linespec_canonical_name *canonical_names; |
f8eba3c6 TT |
181 | |
182 | /* This is a set of address_entry objects which is used to prevent | |
183 | duplicate symbols from being entered into the result. */ | |
184 | htab_t addr_set; | |
00e52e53 KS |
185 | |
186 | /* Are we building a linespec? */ | |
187 | int is_linespec; | |
f8eba3c6 TT |
188 | }; |
189 | ||
190 | /* This is a helper object that is used when collecting symbols into a | |
191 | result. */ | |
192 | ||
193 | struct collect_info | |
194 | { | |
195 | /* The linespec object in use. */ | |
196 | struct linespec_state *state; | |
197 | ||
40e084e1 | 198 | /* A list of symtabs to which to restrict matches. */ |
2a908241 | 199 | std::vector<symtab *> *file_symtabs; |
40e084e1 | 200 | |
f8eba3c6 | 201 | /* The result being accumulated. */ |
40e084e1 KS |
202 | struct |
203 | { | |
7243d011 | 204 | std::vector<symbol *> *symbols; |
c2a031c5 | 205 | std::vector<bound_minimal_symbol> *minimal_symbols; |
40e084e1 | 206 | } result; |
14bc53a8 PA |
207 | |
208 | /* Possibly add a symbol to the results. */ | |
209 | bool add_symbol (symbol *sym); | |
f8eba3c6 | 210 | }; |
50641945 | 211 | |
14bc53a8 PA |
212 | bool |
213 | collect_info::add_symbol (symbol *sym) | |
214 | { | |
215 | /* In list mode, add all matching symbols, regardless of class. | |
216 | This allows the user to type "list a_global_variable". */ | |
217 | if (SYMBOL_CLASS (sym) == LOC_BLOCK || this->state->list_mode) | |
7243d011 | 218 | this->result.symbols->push_back (sym); |
14bc53a8 PA |
219 | |
220 | /* Continue iterating. */ | |
221 | return true; | |
222 | } | |
223 | ||
40e084e1 | 224 | /* Token types */ |
50641945 | 225 | |
40e084e1 KS |
226 | enum ls_token_type |
227 | { | |
228 | /* A keyword */ | |
229 | LSTOKEN_KEYWORD = 0, | |
44fe14ab | 230 | |
40e084e1 KS |
231 | /* A colon "separator" */ |
232 | LSTOKEN_COLON, | |
44fe14ab | 233 | |
40e084e1 KS |
234 | /* A string */ |
235 | LSTOKEN_STRING, | |
0960f083 | 236 | |
40e084e1 KS |
237 | /* A number */ |
238 | LSTOKEN_NUMBER, | |
239 | ||
240 | /* A comma */ | |
241 | LSTOKEN_COMMA, | |
242 | ||
243 | /* EOI (end of input) */ | |
244 | LSTOKEN_EOI, | |
245 | ||
246 | /* Consumed token */ | |
247 | LSTOKEN_CONSUMED | |
248 | }; | |
249 | typedef enum ls_token_type linespec_token_type; | |
250 | ||
c6756f62 PA |
251 | /* List of keywords. This is NULL-terminated so that it can be used |
252 | as enum completer. */ | |
253 | const char * const linespec_keywords[] = { "if", "thread", "task", NULL }; | |
0578b14e | 254 | #define IF_KEYWORD_INDEX 0 |
40e084e1 KS |
255 | |
256 | /* A token of the linespec lexer */ | |
257 | ||
258 | struct ls_token | |
259 | { | |
260 | /* The type of the token */ | |
261 | linespec_token_type type; | |
262 | ||
263 | /* Data for the token */ | |
264 | union | |
265 | { | |
266 | /* A string, given as a stoken */ | |
267 | struct stoken string; | |
268 | ||
269 | /* A keyword */ | |
270 | const char *keyword; | |
271 | } data; | |
272 | }; | |
273 | typedef struct ls_token linespec_token; | |
274 | ||
275 | #define LS_TOKEN_STOKEN(TOK) (TOK).data.string | |
276 | #define LS_TOKEN_KEYWORD(TOK) (TOK).data.keyword | |
277 | ||
278 | /* An instance of the linespec parser. */ | |
279 | ||
280 | struct ls_parser | |
281 | { | |
282 | /* Lexer internal data */ | |
283 | struct | |
284 | { | |
285 | /* Save head of input stream. */ | |
d7561cbb | 286 | const char *saved_arg; |
d2630e69 | 287 | |
40e084e1 | 288 | /* Head of the input stream. */ |
f00aae0f KS |
289 | const char *stream; |
290 | #define PARSER_STREAM(P) ((P)->lexer.stream) | |
614b3b14 | 291 | |
40e084e1 KS |
292 | /* The current token. */ |
293 | linespec_token current; | |
294 | } lexer; | |
93d91629 | 295 | |
40e084e1 KS |
296 | /* Is the entire linespec quote-enclosed? */ |
297 | int is_quote_enclosed; | |
298 | ||
299 | /* The state of the parse. */ | |
300 | struct linespec_state state; | |
301 | #define PARSER_STATE(PPTR) (&(PPTR)->state) | |
4224873a | 302 | |
40e084e1 KS |
303 | /* The result of the parse. */ |
304 | struct linespec result; | |
305 | #define PARSER_RESULT(PPTR) (&(PPTR)->result) | |
c45ec17c PA |
306 | |
307 | /* What the parser believes the current word point should complete | |
308 | to. */ | |
309 | linespec_complete_what complete_what; | |
310 | ||
311 | /* The completion word point. The parser advances this as it skips | |
312 | tokens. At some point the input string will end or parsing will | |
313 | fail, and then we attempt completion at the captured completion | |
314 | word point, interpreting the string at completion_word as | |
315 | COMPLETE_WHAT. */ | |
316 | const char *completion_word; | |
317 | ||
318 | /* If the current token was a quoted string, then this is the | |
319 | quoting character (either " or '). */ | |
320 | int completion_quote_char; | |
321 | ||
322 | /* If the current token was a quoted string, then this points at the | |
323 | end of the quoted string. */ | |
324 | const char *completion_quote_end; | |
325 | ||
326 | /* If parsing for completion, then this points at the completion | |
327 | tracker. Otherwise, this is NULL. */ | |
328 | struct completion_tracker *completion_tracker; | |
40e084e1 KS |
329 | }; |
330 | typedef struct ls_parser linespec_parser; | |
50641945 | 331 | |
00e52e53 KS |
332 | /* A convenience macro for accessing the explicit location result of |
333 | the parser. */ | |
67994074 | 334 | #define PARSER_EXPLICIT(PPTR) (&PARSER_RESULT ((PPTR))->explicit_loc) |
00e52e53 | 335 | |
40e084e1 | 336 | /* Prototypes for local functions. */ |
50641945 | 337 | |
14bc53a8 | 338 | static void iterate_over_file_blocks |
b5ec771e PA |
339 | (struct symtab *symtab, const lookup_name_info &name, |
340 | domain_enum domain, | |
14bc53a8 | 341 | gdb::function_view<symbol_found_callback_ftype> callback); |
4eeaa230 | 342 | |
40e084e1 KS |
343 | static void initialize_defaults (struct symtab **default_symtab, |
344 | int *default_line); | |
50641945 | 345 | |
a06efdd6 | 346 | CORE_ADDR linespec_expression_to_pc (const char **exp_ptr); |
aee8d8ba | 347 | |
6c5b2ebe PA |
348 | static std::vector<symtab_and_line> decode_objc (struct linespec_state *self, |
349 | linespec_p ls, | |
350 | const char *arg); | |
aee8d8ba | 351 | |
2a908241 KS |
352 | static symtab_vector_up symtabs_from_filename |
353 | (const char *, struct program_space *pspace); | |
50641945 | 354 | |
3553eadc | 355 | static std::vector<symbol *> *find_label_symbols |
7243d011 KS |
356 | (struct linespec_state *self, std::vector<symbol *> *function_symbols, |
357 | std::vector<symbol *> *label_funcs_ret, const char *name, | |
358 | bool completion_mode = false); | |
50641945 | 359 | |
b1ae631a | 360 | static void find_linespec_symbols (struct linespec_state *self, |
2a908241 | 361 | std::vector<symtab *> *file_symtabs, |
b1ae631a | 362 | const char *name, |
a20714ff | 363 | symbol_name_match_type name_match_type, |
7243d011 | 364 | std::vector<symbol *> *symbols, |
c2a031c5 | 365 | std::vector<bound_minimal_symbol> *minsyms); |
f8eba3c6 | 366 | |
40e084e1 KS |
367 | static struct line_offset |
368 | linespec_parse_variable (struct linespec_state *self, | |
369 | const char *variable); | |
889f28e2 | 370 | |
f8eba3c6 TT |
371 | static int symbol_to_sal (struct symtab_and_line *result, |
372 | int funfirstline, struct symbol *sym); | |
50641945 | 373 | |
f8eba3c6 | 374 | static void add_matching_symbols_to_info (const char *name, |
b5ec771e | 375 | symbol_name_match_type name_match_type, |
56d87ef7 | 376 | enum search_domain search_domain, |
f8eba3c6 TT |
377 | struct collect_info *info, |
378 | struct program_space *pspace); | |
f3c39e76 | 379 | |
9b2f8581 TT |
380 | static void add_all_symbol_names_from_pspace |
381 | (struct collect_info *info, struct program_space *pspace, | |
382 | const std::vector<const char *> &names, enum search_domain search_domain); | |
9ef07c8c | 383 | |
2a908241 | 384 | static symtab_vector_up |
c2f4122d PA |
385 | collect_symtabs_from_filename (const char *file, |
386 | struct program_space *pspace); | |
84fba31b | 387 | |
6c5b2ebe PA |
388 | static std::vector<symtab_and_line> decode_digits_ordinary |
389 | (struct linespec_state *self, | |
390 | linespec_p ls, | |
391 | int line, | |
392 | linetable_entry **best_entry); | |
14e91ac5 | 393 | |
6c5b2ebe PA |
394 | static std::vector<symtab_and_line> decode_digits_list_mode |
395 | (struct linespec_state *self, | |
396 | linespec_p ls, | |
397 | struct symtab_and_line val); | |
0f5238ed | 398 | |
40e084e1 KS |
399 | static void minsym_found (struct linespec_state *self, struct objfile *objfile, |
400 | struct minimal_symbol *msymbol, | |
6c5b2ebe | 401 | std::vector<symtab_and_line> *result); |
bca02a8a | 402 | |
40e084e1 | 403 | static int compare_symbols (const void *a, const void *b); |
7243d011 KS |
404 | static bool std_compare_symbols (const struct symbol *a, |
405 | const struct symbol *b); | |
413dad4d | 406 | |
c2a031c5 KS |
407 | static bool compare_msymbols (const bound_minimal_symbol &a, |
408 | const bound_minimal_symbol &b); | |
413dad4d | 409 | |
40e084e1 KS |
410 | /* Permitted quote characters for the parser. This is different from the |
411 | completer's quote characters to allow backward compatibility with the | |
412 | previous parser. */ | |
413 | static const char *const linespec_quote_characters = "\"\'"; | |
f8eba3c6 | 414 | |
40e084e1 KS |
415 | /* Lexer functions. */ |
416 | ||
417 | /* Lex a number from the input in PARSER. This only supports | |
dd3818c8 KS |
418 | decimal numbers. |
419 | ||
d7cbec71 | 420 | Return true if input is decimal numbers. Return false if not. */ |
40e084e1 | 421 | |
d7cbec71 HZ |
422 | static int |
423 | linespec_lexer_lex_number (linespec_parser *parser, linespec_token *tokenp) | |
40e084e1 | 424 | { |
d7cbec71 HZ |
425 | tokenp->type = LSTOKEN_NUMBER; |
426 | LS_TOKEN_STOKEN (*tokenp).length = 0; | |
427 | LS_TOKEN_STOKEN (*tokenp).ptr = PARSER_STREAM (parser); | |
40e084e1 KS |
428 | |
429 | /* Keep any sign at the start of the stream. */ | |
430 | if (*PARSER_STREAM (parser) == '+' || *PARSER_STREAM (parser) == '-') | |
431 | { | |
d7cbec71 | 432 | ++LS_TOKEN_STOKEN (*tokenp).length; |
40e084e1 KS |
433 | ++(PARSER_STREAM (parser)); |
434 | } | |
435 | ||
436 | while (isdigit (*PARSER_STREAM (parser))) | |
437 | { | |
d7cbec71 | 438 | ++LS_TOKEN_STOKEN (*tokenp).length; |
40e084e1 | 439 | ++(PARSER_STREAM (parser)); |
f8eba3c6 | 440 | } |
40e084e1 | 441 | |
dd3818c8 | 442 | /* If the next character in the input buffer is not a space, comma, |
eff9c3e6 | 443 | quote, or colon, this input does not represent a number. */ |
dd3818c8 KS |
444 | if (*PARSER_STREAM (parser) != '\0' |
445 | && !isspace (*PARSER_STREAM (parser)) && *PARSER_STREAM (parser) != ',' | |
eff9c3e6 KS |
446 | && *PARSER_STREAM (parser) != ':' |
447 | && !strchr (linespec_quote_characters, *PARSER_STREAM (parser))) | |
d7cbec71 HZ |
448 | { |
449 | PARSER_STREAM (parser) = LS_TOKEN_STOKEN (*tokenp).ptr; | |
450 | return 0; | |
451 | } | |
452 | ||
453 | return 1; | |
f8eba3c6 TT |
454 | } |
455 | ||
32b40af9 | 456 | /* See linespec.h. */ |
f8eba3c6 | 457 | |
0578b14e | 458 | const char * |
40e084e1 | 459 | linespec_lexer_lex_keyword (const char *p) |
f8eba3c6 | 460 | { |
40e084e1 | 461 | int i; |
f8eba3c6 | 462 | |
40e084e1 KS |
463 | if (p != NULL) |
464 | { | |
c6756f62 | 465 | for (i = 0; linespec_keywords[i] != NULL; ++i) |
40e084e1 KS |
466 | { |
467 | int len = strlen (linespec_keywords[i]); | |
468 | ||
469 | /* If P begins with one of the keywords and the next | |
0578b14e KS |
470 | character is whitespace, we may have found a keyword. |
471 | It is only a keyword if it is not followed by another | |
472 | keyword. */ | |
40e084e1 | 473 | if (strncmp (p, linespec_keywords[i], len) == 0 |
0578b14e KS |
474 | && isspace (p[len])) |
475 | { | |
476 | int j; | |
477 | ||
478 | /* Special case: "if" ALWAYS stops the lexer, since it | |
479 | is not possible to predict what is going to appear in | |
480 | the condition, which can only be parsed after SaLs have | |
481 | been found. */ | |
482 | if (i != IF_KEYWORD_INDEX) | |
483 | { | |
484 | p += len; | |
f1735a53 | 485 | p = skip_spaces (p); |
c6756f62 | 486 | for (j = 0; linespec_keywords[j] != NULL; ++j) |
0578b14e KS |
487 | { |
488 | int nextlen = strlen (linespec_keywords[j]); | |
489 | ||
490 | if (strncmp (p, linespec_keywords[j], nextlen) == 0 | |
491 | && isspace (p[nextlen])) | |
492 | return NULL; | |
493 | } | |
494 | } | |
495 | ||
496 | return linespec_keywords[i]; | |
497 | } | |
40e084e1 KS |
498 | } |
499 | } | |
500 | ||
501 | return NULL; | |
f8eba3c6 TT |
502 | } |
503 | ||
87f0e720 | 504 | /* See description in linespec.h. */ |
f8eba3c6 | 505 | |
87f0e720 | 506 | int |
40e084e1 | 507 | is_ada_operator (const char *string) |
f8eba3c6 | 508 | { |
40e084e1 | 509 | const struct ada_opname_map *mapping; |
f8eba3c6 | 510 | |
40e084e1 KS |
511 | for (mapping = ada_opname_table; |
512 | mapping->encoded != NULL | |
61012eef | 513 | && !startswith (string, mapping->decoded); ++mapping) |
40e084e1 KS |
514 | ; |
515 | ||
516 | return mapping->decoded == NULL ? 0 : strlen (mapping->decoded); | |
f8eba3c6 TT |
517 | } |
518 | ||
40e084e1 KS |
519 | /* Find QUOTE_CHAR in STRING, accounting for the ':' terminal. Return |
520 | the location of QUOTE_CHAR, or NULL if not found. */ | |
f8eba3c6 | 521 | |
40e084e1 KS |
522 | static const char * |
523 | skip_quote_char (const char *string, char quote_char) | |
f8eba3c6 | 524 | { |
40e084e1 | 525 | const char *p, *last; |
f8eba3c6 | 526 | |
40e084e1 KS |
527 | p = last = find_toplevel_char (string, quote_char); |
528 | while (p && *p != '\0' && *p != ':') | |
529 | { | |
530 | p = find_toplevel_char (p, quote_char); | |
531 | if (p != NULL) | |
532 | last = p++; | |
533 | } | |
f8eba3c6 | 534 | |
40e084e1 | 535 | return last; |
f8eba3c6 | 536 | } |
50641945 | 537 | |
40e084e1 KS |
538 | /* Make a writable copy of the string given in TOKEN, trimming |
539 | any trailing whitespace. */ | |
50641945 | 540 | |
a5b5adf5 | 541 | static gdb::unique_xmalloc_ptr<char> |
40e084e1 | 542 | copy_token_string (linespec_token token) |
50641945 | 543 | { |
a5b5adf5 | 544 | const char *str, *s; |
e0881a8e | 545 | |
40e084e1 | 546 | if (token.type == LSTOKEN_KEYWORD) |
a5b5adf5 | 547 | return gdb::unique_xmalloc_ptr<char> (xstrdup (LS_TOKEN_KEYWORD (token))); |
255e7dbf | 548 | |
a5b5adf5 | 549 | str = LS_TOKEN_STOKEN (token).ptr; |
40e084e1 | 550 | s = remove_trailing_whitespace (str, str + LS_TOKEN_STOKEN (token).length); |
e0881a8e | 551 | |
a5b5adf5 | 552 | return gdb::unique_xmalloc_ptr<char> (savestring (str, s - str)); |
40e084e1 | 553 | } |
255e7dbf | 554 | |
40e084e1 | 555 | /* Does P represent the end of a quote-enclosed linespec? */ |
f3a5f1de | 556 | |
40e084e1 KS |
557 | static int |
558 | is_closing_quote_enclosed (const char *p) | |
559 | { | |
560 | if (strchr (linespec_quote_characters, *p)) | |
561 | ++p; | |
562 | p = skip_spaces ((char *) p); | |
563 | return (*p == '\0' || linespec_lexer_lex_keyword (p)); | |
50641945 FN |
564 | } |
565 | ||
40e084e1 KS |
566 | /* Find the end of the parameter list that starts with *INPUT. |
567 | This helper function assists with lexing string segments | |
568 | which might contain valid (non-terminating) commas. */ | |
481860b3 | 569 | |
d7561cbb KS |
570 | static const char * |
571 | find_parameter_list_end (const char *input) | |
481860b3 | 572 | { |
40e084e1 KS |
573 | char end_char, start_char; |
574 | int depth; | |
d7561cbb | 575 | const char *p; |
481860b3 | 576 | |
40e084e1 KS |
577 | start_char = *input; |
578 | if (start_char == '(') | |
579 | end_char = ')'; | |
580 | else if (start_char == '<') | |
581 | end_char = '>'; | |
582 | else | |
583 | return NULL; | |
481860b3 | 584 | |
40e084e1 KS |
585 | p = input; |
586 | depth = 0; | |
587 | while (*p) | |
481860b3 | 588 | { |
40e084e1 KS |
589 | if (*p == start_char) |
590 | ++depth; | |
591 | else if (*p == end_char) | |
592 | { | |
593 | if (--depth == 0) | |
594 | { | |
595 | ++p; | |
596 | break; | |
597 | } | |
598 | } | |
599 | ++p; | |
481860b3 | 600 | } |
40e084e1 KS |
601 | |
602 | return p; | |
481860b3 GB |
603 | } |
604 | ||
c45ec17c PA |
605 | /* If the [STRING, STRING_LEN) string ends with what looks like a |
606 | keyword, return the keyword start offset in STRING. Return -1 | |
607 | otherwise. */ | |
608 | ||
609 | static size_t | |
610 | string_find_incomplete_keyword_at_end (const char * const *keywords, | |
611 | const char *string, size_t string_len) | |
612 | { | |
613 | const char *end = string + string_len; | |
614 | const char *p = end; | |
615 | ||
616 | while (p > string && *p != ' ') | |
617 | --p; | |
618 | if (p > string) | |
619 | { | |
620 | p++; | |
621 | size_t len = end - p; | |
622 | for (size_t i = 0; keywords[i] != NULL; ++i) | |
623 | if (strncmp (keywords[i], p, len) == 0) | |
624 | return p - string; | |
625 | } | |
626 | ||
627 | return -1; | |
628 | } | |
74ccd7f5 | 629 | |
40e084e1 KS |
630 | /* Lex a string from the input in PARSER. */ |
631 | ||
632 | static linespec_token | |
633 | linespec_lexer_lex_string (linespec_parser *parser) | |
74ccd7f5 | 634 | { |
40e084e1 | 635 | linespec_token token; |
d7561cbb | 636 | const char *start = PARSER_STREAM (parser); |
74ccd7f5 | 637 | |
40e084e1 | 638 | token.type = LSTOKEN_STRING; |
74ccd7f5 | 639 | |
40e084e1 KS |
640 | /* If the input stream starts with a quote character, skip to the next |
641 | quote character, regardless of the content. */ | |
642 | if (strchr (linespec_quote_characters, *PARSER_STREAM (parser))) | |
643 | { | |
644 | const char *end; | |
645 | char quote_char = *PARSER_STREAM (parser); | |
50641945 | 646 | |
40e084e1 KS |
647 | /* Special case: Ada operators. */ |
648 | if (PARSER_STATE (parser)->language->la_language == language_ada | |
649 | && quote_char == '\"') | |
650 | { | |
651 | int len = is_ada_operator (PARSER_STREAM (parser)); | |
50641945 | 652 | |
40e084e1 KS |
653 | if (len != 0) |
654 | { | |
655 | /* The input is an Ada operator. Return the quoted string | |
656 | as-is. */ | |
657 | LS_TOKEN_STOKEN (token).ptr = PARSER_STREAM (parser); | |
658 | LS_TOKEN_STOKEN (token).length = len; | |
659 | PARSER_STREAM (parser) += len; | |
660 | return token; | |
661 | } | |
f8eba3c6 | 662 | |
40e084e1 KS |
663 | /* The input does not represent an Ada operator -- fall through |
664 | to normal quoted string handling. */ | |
665 | } | |
f8eba3c6 | 666 | |
40e084e1 KS |
667 | /* Skip past the beginning quote. */ |
668 | ++(PARSER_STREAM (parser)); | |
74ccd7f5 | 669 | |
40e084e1 KS |
670 | /* Mark the start of the string. */ |
671 | LS_TOKEN_STOKEN (token).ptr = PARSER_STREAM (parser); | |
f8eba3c6 | 672 | |
40e084e1 KS |
673 | /* Skip to the ending quote. */ |
674 | end = skip_quote_char (PARSER_STREAM (parser), quote_char); | |
675 | ||
c45ec17c PA |
676 | /* This helps the completer mode decide whether we have a |
677 | complete string. */ | |
678 | parser->completion_quote_char = quote_char; | |
679 | parser->completion_quote_end = end; | |
40e084e1 | 680 | |
c45ec17c PA |
681 | /* Error if the input did not terminate properly, unless in |
682 | completion mode. */ | |
683 | if (end == NULL) | |
684 | { | |
685 | if (parser->completion_tracker == NULL) | |
686 | error (_("unmatched quote")); | |
687 | ||
688 | /* In completion mode, we'll try to complete the incomplete | |
689 | token. */ | |
690 | token.type = LSTOKEN_STRING; | |
691 | while (*PARSER_STREAM (parser) != '\0') | |
692 | PARSER_STREAM (parser)++; | |
693 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 1 - start; | |
694 | } | |
695 | else | |
696 | { | |
697 | /* Skip over the ending quote and mark the length of the string. */ | |
698 | PARSER_STREAM (parser) = (char *) ++end; | |
699 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 2 - start; | |
700 | } | |
40e084e1 KS |
701 | } |
702 | else | |
703 | { | |
d7561cbb | 704 | const char *p; |
40e084e1 KS |
705 | |
706 | /* Otherwise, only identifier characters are permitted. | |
707 | Spaces are the exception. In general, we keep spaces, | |
708 | but only if the next characters in the input do not resolve | |
709 | to one of the keywords. | |
710 | ||
711 | This allows users to forgo quoting CV-qualifiers, template arguments, | |
712 | and similar common language constructs. */ | |
713 | ||
714 | while (1) | |
715 | { | |
716 | if (isspace (*PARSER_STREAM (parser))) | |
717 | { | |
f1735a53 | 718 | p = skip_spaces (PARSER_STREAM (parser)); |
7c09e5a0 DE |
719 | /* When we get here we know we've found something followed by |
720 | a space (we skip over parens and templates below). | |
721 | So if we find a keyword now, we know it is a keyword and not, | |
722 | say, a function name. */ | |
40e084e1 KS |
723 | if (linespec_lexer_lex_keyword (p) != NULL) |
724 | { | |
725 | LS_TOKEN_STOKEN (token).ptr = start; | |
726 | LS_TOKEN_STOKEN (token).length | |
727 | = PARSER_STREAM (parser) - start; | |
728 | return token; | |
729 | } | |
730 | ||
731 | /* Advance past the whitespace. */ | |
732 | PARSER_STREAM (parser) = p; | |
733 | } | |
734 | ||
735 | /* If the next character is EOI or (single) ':', the | |
736 | string is complete; return the token. */ | |
737 | if (*PARSER_STREAM (parser) == 0) | |
738 | { | |
739 | LS_TOKEN_STOKEN (token).ptr = start; | |
740 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
741 | return token; | |
742 | } | |
743 | else if (PARSER_STREAM (parser)[0] == ':') | |
744 | { | |
745 | /* Do not tokenize the C++ scope operator. */ | |
746 | if (PARSER_STREAM (parser)[1] == ':') | |
747 | ++(PARSER_STREAM (parser)); | |
748 | ||
bd69330d PA |
749 | /* Do not tokenize ABI tags such as "[abi:cxx11]". */ |
750 | else if (PARSER_STREAM (parser) - start > 4 | |
751 | && startswith (PARSER_STREAM (parser) - 4, "[abi")) | |
752 | ++(PARSER_STREAM (parser)); | |
753 | ||
40e084e1 KS |
754 | /* Do not tokenify if the input length so far is one |
755 | (i.e, a single-letter drive name) and the next character | |
756 | is a directory separator. This allows Windows-style | |
757 | paths to be recognized as filenames without quoting it. */ | |
758 | else if ((PARSER_STREAM (parser) - start) != 1 | |
759 | || !IS_DIR_SEPARATOR (PARSER_STREAM (parser)[1])) | |
760 | { | |
761 | LS_TOKEN_STOKEN (token).ptr = start; | |
762 | LS_TOKEN_STOKEN (token).length | |
763 | = PARSER_STREAM (parser) - start; | |
764 | return token; | |
765 | } | |
766 | } | |
767 | /* Special case: permit quote-enclosed linespecs. */ | |
768 | else if (parser->is_quote_enclosed | |
769 | && strchr (linespec_quote_characters, | |
770 | *PARSER_STREAM (parser)) | |
771 | && is_closing_quote_enclosed (PARSER_STREAM (parser))) | |
772 | { | |
773 | LS_TOKEN_STOKEN (token).ptr = start; | |
774 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
775 | return token; | |
776 | } | |
777 | /* Because commas may terminate a linespec and appear in | |
778 | the middle of valid string input, special cases for | |
779 | '<' and '(' are necessary. */ | |
780 | else if (*PARSER_STREAM (parser) == '<' | |
781 | || *PARSER_STREAM (parser) == '(') | |
782 | { | |
be966d42 PA |
783 | /* Don't interpret 'operator<' / 'operator<<' as a |
784 | template parameter list though. */ | |
785 | if (*PARSER_STREAM (parser) == '<' | |
786 | && (PARSER_STATE (parser)->language->la_language | |
787 | == language_cplus) | |
788 | && (PARSER_STREAM (parser) - start) >= CP_OPERATOR_LEN) | |
789 | { | |
790 | const char *p = PARSER_STREAM (parser); | |
791 | ||
792 | while (p > start && isspace (p[-1])) | |
793 | p--; | |
794 | if (p - start >= CP_OPERATOR_LEN) | |
795 | { | |
796 | p -= CP_OPERATOR_LEN; | |
797 | if (strncmp (p, CP_OPERATOR_STR, CP_OPERATOR_LEN) == 0 | |
798 | && (p == start | |
799 | || !(isalnum (p[-1]) || p[-1] == '_'))) | |
800 | { | |
801 | /* This is an operator name. Keep going. */ | |
802 | ++(PARSER_STREAM (parser)); | |
803 | if (*PARSER_STREAM (parser) == '<') | |
804 | ++(PARSER_STREAM (parser)); | |
805 | continue; | |
806 | } | |
807 | } | |
808 | } | |
809 | ||
810 | const char *p = find_parameter_list_end (PARSER_STREAM (parser)); | |
811 | PARSER_STREAM (parser) = p; | |
40e084e1 | 812 | |
be966d42 PA |
813 | /* Don't loop around to the normal \0 case above because |
814 | we don't want to misinterpret a potential keyword at | |
815 | the end of the token when the string isn't | |
816 | "()<>"-balanced. This handles "b | |
817 | function(thread<tab>" in completion mode. */ | |
818 | if (*p == '\0') | |
40e084e1 | 819 | { |
be966d42 PA |
820 | LS_TOKEN_STOKEN (token).ptr = start; |
821 | LS_TOKEN_STOKEN (token).length | |
822 | = PARSER_STREAM (parser) - start; | |
823 | return token; | |
40e084e1 | 824 | } |
be966d42 PA |
825 | else |
826 | continue; | |
40e084e1 KS |
827 | } |
828 | /* Commas are terminators, but not if they are part of an | |
829 | operator name. */ | |
830 | else if (*PARSER_STREAM (parser) == ',') | |
831 | { | |
832 | if ((PARSER_STATE (parser)->language->la_language | |
833 | == language_cplus) | |
8090b426 | 834 | && (PARSER_STREAM (parser) - start) > CP_OPERATOR_LEN) |
40e084e1 | 835 | { |
8090b426 | 836 | const char *p = strstr (start, CP_OPERATOR_STR); |
40e084e1 KS |
837 | |
838 | if (p != NULL && is_operator_name (p)) | |
839 | { | |
840 | /* This is an operator name. Keep going. */ | |
841 | ++(PARSER_STREAM (parser)); | |
842 | continue; | |
843 | } | |
844 | } | |
845 | ||
846 | /* Comma terminates the string. */ | |
847 | LS_TOKEN_STOKEN (token).ptr = start; | |
848 | LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - start; | |
849 | return token; | |
850 | } | |
851 | ||
852 | /* Advance the stream. */ | |
853 | ++(PARSER_STREAM (parser)); | |
854 | } | |
855 | } | |
856 | ||
857 | return token; | |
858 | } | |
859 | ||
860 | /* Lex a single linespec token from PARSER. */ | |
861 | ||
862 | static linespec_token | |
863 | linespec_lexer_lex_one (linespec_parser *parser) | |
864 | { | |
865 | const char *keyword; | |
866 | ||
867 | if (parser->lexer.current.type == LSTOKEN_CONSUMED) | |
868 | { | |
869 | /* Skip any whitespace. */ | |
f1735a53 | 870 | PARSER_STREAM (parser) = skip_spaces (PARSER_STREAM (parser)); |
40e084e1 | 871 | |
7c09e5a0 | 872 | /* Check for a keyword, they end the linespec. */ |
0578b14e | 873 | keyword = linespec_lexer_lex_keyword (PARSER_STREAM (parser)); |
40e084e1 KS |
874 | if (keyword != NULL) |
875 | { | |
876 | parser->lexer.current.type = LSTOKEN_KEYWORD; | |
877 | LS_TOKEN_KEYWORD (parser->lexer.current) = keyword; | |
0578b14e KS |
878 | /* We do not advance the stream here intentionally: |
879 | we would like lexing to stop when a keyword is seen. | |
880 | ||
881 | PARSER_STREAM (parser) += strlen (keyword); */ | |
882 | ||
40e084e1 KS |
883 | return parser->lexer.current; |
884 | } | |
885 | ||
886 | /* Handle other tokens. */ | |
887 | switch (*PARSER_STREAM (parser)) | |
888 | { | |
889 | case 0: | |
890 | parser->lexer.current.type = LSTOKEN_EOI; | |
891 | break; | |
892 | ||
893 | case '+': case '-': | |
894 | case '0': case '1': case '2': case '3': case '4': | |
895 | case '5': case '6': case '7': case '8': case '9': | |
d7cbec71 HZ |
896 | if (!linespec_lexer_lex_number (parser, &(parser->lexer.current))) |
897 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
40e084e1 KS |
898 | break; |
899 | ||
900 | case ':': | |
901 | /* If we have a scope operator, lex the input as a string. | |
902 | Otherwise, return LSTOKEN_COLON. */ | |
903 | if (PARSER_STREAM (parser)[1] == ':') | |
904 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
905 | else | |
906 | { | |
907 | parser->lexer.current.type = LSTOKEN_COLON; | |
908 | ++(PARSER_STREAM (parser)); | |
909 | } | |
910 | break; | |
911 | ||
912 | case '\'': case '\"': | |
913 | /* Special case: permit quote-enclosed linespecs. */ | |
914 | if (parser->is_quote_enclosed | |
915 | && is_closing_quote_enclosed (PARSER_STREAM (parser))) | |
916 | { | |
917 | ++(PARSER_STREAM (parser)); | |
918 | parser->lexer.current.type = LSTOKEN_EOI; | |
919 | } | |
920 | else | |
921 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
922 | break; | |
923 | ||
924 | case ',': | |
925 | parser->lexer.current.type = LSTOKEN_COMMA; | |
926 | LS_TOKEN_STOKEN (parser->lexer.current).ptr | |
927 | = PARSER_STREAM (parser); | |
928 | LS_TOKEN_STOKEN (parser->lexer.current).length = 1; | |
929 | ++(PARSER_STREAM (parser)); | |
930 | break; | |
931 | ||
932 | default: | |
933 | /* If the input is not a number, it must be a string. | |
934 | [Keywords were already considered above.] */ | |
935 | parser->lexer.current = linespec_lexer_lex_string (parser); | |
936 | break; | |
937 | } | |
938 | } | |
939 | ||
940 | return parser->lexer.current; | |
941 | } | |
942 | ||
943 | /* Consume the current token and return the next token in PARSER's | |
c45ec17c PA |
944 | input stream. Also advance the completion word for completion |
945 | mode. */ | |
40e084e1 KS |
946 | |
947 | static linespec_token | |
948 | linespec_lexer_consume_token (linespec_parser *parser) | |
949 | { | |
c45ec17c PA |
950 | gdb_assert (parser->lexer.current.type != LSTOKEN_EOI); |
951 | ||
952 | bool advance_word = (parser->lexer.current.type != LSTOKEN_STRING | |
953 | || *PARSER_STREAM (parser) != '\0'); | |
954 | ||
955 | /* If we're moving past a string to some other token, it must be the | |
956 | quote was terminated. */ | |
957 | if (parser->completion_quote_char) | |
958 | { | |
959 | gdb_assert (parser->lexer.current.type == LSTOKEN_STRING); | |
960 | ||
961 | /* If the string was the last (non-EOI) token, we're past the | |
962 | quote, but remember that for later. */ | |
963 | if (*PARSER_STREAM (parser) != '\0') | |
964 | { | |
965 | parser->completion_quote_char = '\0'; | |
966 | parser->completion_quote_end = NULL;; | |
967 | } | |
968 | } | |
969 | ||
40e084e1 | 970 | parser->lexer.current.type = LSTOKEN_CONSUMED; |
c45ec17c PA |
971 | linespec_lexer_lex_one (parser); |
972 | ||
973 | if (parser->lexer.current.type == LSTOKEN_STRING) | |
974 | { | |
975 | /* Advance the completion word past a potential initial | |
976 | quote-char. */ | |
977 | parser->completion_word = LS_TOKEN_STOKEN (parser->lexer.current).ptr; | |
978 | } | |
979 | else if (advance_word) | |
980 | { | |
981 | /* Advance the completion word past any whitespace. */ | |
982 | parser->completion_word = PARSER_STREAM (parser); | |
983 | } | |
984 | ||
985 | return parser->lexer.current; | |
40e084e1 KS |
986 | } |
987 | ||
988 | /* Return the next token without consuming the current token. */ | |
989 | ||
990 | static linespec_token | |
991 | linespec_lexer_peek_token (linespec_parser *parser) | |
992 | { | |
993 | linespec_token next; | |
d7561cbb | 994 | const char *saved_stream = PARSER_STREAM (parser); |
40e084e1 | 995 | linespec_token saved_token = parser->lexer.current; |
c45ec17c PA |
996 | int saved_completion_quote_char = parser->completion_quote_char; |
997 | const char *saved_completion_quote_end = parser->completion_quote_end; | |
998 | const char *saved_completion_word = parser->completion_word; | |
40e084e1 KS |
999 | |
1000 | next = linespec_lexer_consume_token (parser); | |
1001 | PARSER_STREAM (parser) = saved_stream; | |
1002 | parser->lexer.current = saved_token; | |
c45ec17c PA |
1003 | parser->completion_quote_char = saved_completion_quote_char; |
1004 | parser->completion_quote_end = saved_completion_quote_end; | |
1005 | parser->completion_word = saved_completion_word; | |
40e084e1 KS |
1006 | return next; |
1007 | } | |
1008 | ||
1009 | /* Helper functions. */ | |
1010 | ||
40e084e1 KS |
1011 | /* Add SAL to SALS, and also update SELF->CANONICAL_NAMES to reflect |
1012 | the new sal, if needed. If not NULL, SYMNAME is the name of the | |
66f1999b KS |
1013 | symbol to use when constructing the new canonical name. |
1014 | ||
1015 | If LITERAL_CANONICAL is non-zero, SYMNAME will be used as the | |
1016 | canonical name for the SAL. */ | |
40e084e1 KS |
1017 | |
1018 | static void | |
1019 | add_sal_to_sals (struct linespec_state *self, | |
6c5b2ebe | 1020 | std::vector<symtab_and_line> *sals, |
40e084e1 | 1021 | struct symtab_and_line *sal, |
66f1999b | 1022 | const char *symname, int literal_canonical) |
40e084e1 | 1023 | { |
6c5b2ebe | 1024 | sals->push_back (*sal); |
40e084e1 KS |
1025 | |
1026 | if (self->canonical) | |
1027 | { | |
33f448b1 | 1028 | struct linespec_canonical_name *canonical; |
40e084e1 | 1029 | |
224c3ddb | 1030 | self->canonical_names = XRESIZEVEC (struct linespec_canonical_name, |
6c5b2ebe PA |
1031 | self->canonical_names, |
1032 | sals->size ()); | |
1033 | canonical = &self->canonical_names[sals->size () - 1]; | |
4e04028d | 1034 | if (!literal_canonical && sal->symtab) |
40e084e1 | 1035 | { |
df140a0b TS |
1036 | symtab_to_fullname (sal->symtab); |
1037 | ||
40e084e1 KS |
1038 | /* Note that the filter doesn't have to be a valid linespec |
1039 | input. We only apply the ":LINE" treatment to Ada for | |
1040 | the time being. */ | |
1041 | if (symname != NULL && sal->line != 0 | |
1042 | && self->language->la_language == language_ada) | |
33f448b1 | 1043 | canonical->suffix = xstrprintf ("%s:%d", symname, sal->line); |
40e084e1 | 1044 | else if (symname != NULL) |
33f448b1 | 1045 | canonical->suffix = xstrdup (symname); |
40e084e1 | 1046 | else |
33f448b1 JK |
1047 | canonical->suffix = xstrprintf ("%d", sal->line); |
1048 | canonical->symtab = sal->symtab; | |
1049 | } | |
1050 | else | |
1051 | { | |
1052 | if (symname != NULL) | |
1053 | canonical->suffix = xstrdup (symname); | |
1054 | else | |
e617b069 | 1055 | canonical->suffix = xstrdup ("<unknown>"); |
33f448b1 | 1056 | canonical->symtab = NULL; |
40e084e1 | 1057 | } |
40e084e1 KS |
1058 | } |
1059 | } | |
1060 | ||
1061 | /* A hash function for address_entry. */ | |
1062 | ||
1063 | static hashval_t | |
1064 | hash_address_entry (const void *p) | |
1065 | { | |
9a3c8263 | 1066 | const struct address_entry *aep = (const struct address_entry *) p; |
40e084e1 KS |
1067 | hashval_t hash; |
1068 | ||
1069 | hash = iterative_hash_object (aep->pspace, 0); | |
1070 | return iterative_hash_object (aep->addr, hash); | |
1071 | } | |
1072 | ||
1073 | /* An equality function for address_entry. */ | |
1074 | ||
1075 | static int | |
1076 | eq_address_entry (const void *a, const void *b) | |
1077 | { | |
9a3c8263 SM |
1078 | const struct address_entry *aea = (const struct address_entry *) a; |
1079 | const struct address_entry *aeb = (const struct address_entry *) b; | |
40e084e1 KS |
1080 | |
1081 | return aea->pspace == aeb->pspace && aea->addr == aeb->addr; | |
1082 | } | |
1083 | ||
1084 | /* Check whether the address, represented by PSPACE and ADDR, is | |
1085 | already in the set. If so, return 0. Otherwise, add it and return | |
1086 | 1. */ | |
1087 | ||
1088 | static int | |
1089 | maybe_add_address (htab_t set, struct program_space *pspace, CORE_ADDR addr) | |
1090 | { | |
1091 | struct address_entry e, *p; | |
1092 | void **slot; | |
1093 | ||
1094 | e.pspace = pspace; | |
1095 | e.addr = addr; | |
1096 | slot = htab_find_slot (set, &e, INSERT); | |
1097 | if (*slot) | |
1098 | return 0; | |
1099 | ||
1100 | p = XNEW (struct address_entry); | |
1101 | memcpy (p, &e, sizeof (struct address_entry)); | |
1102 | *slot = p; | |
1103 | ||
1104 | return 1; | |
1105 | } | |
1106 | ||
40e084e1 KS |
1107 | /* A helper that walks over all matching symtabs in all objfiles and |
1108 | calls CALLBACK for each symbol matching NAME. If SEARCH_PSPACE is | |
1109 | not NULL, then the search is restricted to just that program | |
14bc53a8 | 1110 | space. If INCLUDE_INLINE is true then symbols representing |
40e084e1 KS |
1111 | inlined instances of functions will be included in the result. */ |
1112 | ||
1113 | static void | |
14bc53a8 | 1114 | iterate_over_all_matching_symtabs |
b5ec771e PA |
1115 | (struct linespec_state *state, |
1116 | const lookup_name_info &lookup_name, | |
1117 | const domain_enum name_domain, | |
56d87ef7 | 1118 | enum search_domain search_domain, |
14bc53a8 PA |
1119 | struct program_space *search_pspace, bool include_inline, |
1120 | gdb::function_view<symbol_found_callback_ftype> callback) | |
40e084e1 KS |
1121 | { |
1122 | struct objfile *objfile; | |
1123 | struct program_space *pspace; | |
40e084e1 | 1124 | |
40e084e1 KS |
1125 | ALL_PSPACES (pspace) |
1126 | { | |
1127 | if (search_pspace != NULL && search_pspace != pspace) | |
1128 | continue; | |
1129 | if (pspace->executing_startup) | |
f8eba3c6 TT |
1130 | continue; |
1131 | ||
1132 | set_current_program_space (pspace); | |
50641945 | 1133 | |
f8eba3c6 TT |
1134 | ALL_OBJFILES (objfile) |
1135 | { | |
43f3e411 | 1136 | struct compunit_symtab *cu; |
f8eba3c6 TT |
1137 | |
1138 | if (objfile->sf) | |
b5ec771e PA |
1139 | objfile->sf->qf->expand_symtabs_matching (objfile, |
1140 | NULL, | |
1141 | lookup_name, | |
1142 | NULL, NULL, | |
56d87ef7 | 1143 | search_domain); |
f8eba3c6 | 1144 | |
43f3e411 | 1145 | ALL_OBJFILE_COMPUNITS (objfile, cu) |
f8eba3c6 | 1146 | { |
43f3e411 DE |
1147 | struct symtab *symtab = COMPUNIT_FILETABS (cu); |
1148 | ||
b5ec771e | 1149 | iterate_over_file_blocks (symtab, lookup_name, name_domain, callback); |
481860b3 | 1150 | |
d790cf0a DE |
1151 | if (include_inline) |
1152 | { | |
4eeaa230 | 1153 | struct block *block; |
d790cf0a | 1154 | int i; |
481860b3 | 1155 | |
d790cf0a | 1156 | for (i = FIRST_LOCAL_BLOCK; |
439247b6 DE |
1157 | i < BLOCKVECTOR_NBLOCKS (SYMTAB_BLOCKVECTOR (symtab)); |
1158 | i++) | |
d790cf0a | 1159 | { |
439247b6 | 1160 | block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), i); |
4ae24af0 | 1161 | state->language->la_iterate_over_symbols |
b5ec771e | 1162 | (block, lookup_name, name_domain, [&] (symbol *sym) |
14bc53a8 PA |
1163 | { |
1164 | /* Restrict calls to CALLBACK to symbols | |
1165 | representing inline symbols only. */ | |
1166 | if (SYMBOL_INLINED (sym)) | |
1167 | return callback (sym); | |
1168 | return true; | |
1169 | }); | |
481860b3 | 1170 | } |
f8eba3c6 TT |
1171 | } |
1172 | } | |
1173 | } | |
1174 | } | |
50641945 FN |
1175 | } |
1176 | ||
4eeaa230 DE |
1177 | /* Returns the block to be used for symbol searches from |
1178 | the current location. */ | |
e8eb7bc5 | 1179 | |
3977b71f | 1180 | static const struct block * |
e482a1a7 | 1181 | get_current_search_block (void) |
e8eb7bc5 | 1182 | { |
3977b71f | 1183 | const struct block *block; |
4eeaa230 | 1184 | enum language save_language; |
e8eb7bc5 | 1185 | |
4eeaa230 DE |
1186 | /* get_selected_block can change the current language when there is |
1187 | no selected frame yet. */ | |
1188 | save_language = current_language->la_language; | |
1189 | block = get_selected_block (0); | |
1190 | set_language (save_language); | |
e8eb7bc5 KS |
1191 | |
1192 | return block; | |
1193 | } | |
1194 | ||
4eeaa230 DE |
1195 | /* Iterate over static and global blocks. */ |
1196 | ||
1197 | static void | |
14bc53a8 | 1198 | iterate_over_file_blocks |
b5ec771e PA |
1199 | (struct symtab *symtab, const lookup_name_info &name, |
1200 | domain_enum domain, gdb::function_view<symbol_found_callback_ftype> callback) | |
4eeaa230 DE |
1201 | { |
1202 | struct block *block; | |
1203 | ||
439247b6 | 1204 | for (block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), STATIC_BLOCK); |
4eeaa230 DE |
1205 | block != NULL; |
1206 | block = BLOCK_SUPERBLOCK (block)) | |
14bc53a8 | 1207 | LA_ITERATE_OVER_SYMBOLS (block, name, domain, callback); |
4eeaa230 DE |
1208 | } |
1209 | ||
b5ec771e PA |
1210 | /* A helper for find_method. This finds all methods in type T of |
1211 | language T_LANG which match NAME. It adds matching symbol names to | |
1212 | RESULT_NAMES, and adds T's direct superclasses to SUPERCLASSES. */ | |
50641945 | 1213 | |
f8eba3c6 | 1214 | static void |
b5ec771e | 1215 | find_methods (struct type *t, enum language t_lang, const char *name, |
9b2f8581 | 1216 | std::vector<const char *> *result_names, |
8e8d776e | 1217 | std::vector<struct type *> *superclasses) |
50641945 | 1218 | { |
50641945 | 1219 | int ibase; |
a737d952 | 1220 | const char *class_name = TYPE_NAME (t); |
c00f8484 | 1221 | |
50641945 FN |
1222 | /* Ignore this class if it doesn't have a name. This is ugly, but |
1223 | unless we figure out how to get the physname without the name of | |
1224 | the class, then the loop can't do any good. */ | |
f8eba3c6 | 1225 | if (class_name) |
50641945 FN |
1226 | { |
1227 | int method_counter; | |
b5ec771e PA |
1228 | lookup_name_info lookup_name (name, symbol_name_match_type::FULL); |
1229 | symbol_name_matcher_ftype *symbol_name_compare | |
618daa93 | 1230 | = get_symbol_name_matcher (language_def (t_lang), lookup_name); |
50641945 | 1231 | |
f168693b | 1232 | t = check_typedef (t); |
50641945 FN |
1233 | |
1234 | /* Loop over each method name. At this level, all overloads of a name | |
1235 | are counted as a single name. There is an inner loop which loops over | |
1236 | each overload. */ | |
1237 | ||
1238 | for (method_counter = TYPE_NFN_FIELDS (t) - 1; | |
1239 | method_counter >= 0; | |
1240 | --method_counter) | |
1241 | { | |
0d5cff50 | 1242 | const char *method_name = TYPE_FN_FIELDLIST_NAME (t, method_counter); |
50641945 FN |
1243 | char dem_opname[64]; |
1244 | ||
61012eef GB |
1245 | if (startswith (method_name, "__") || |
1246 | startswith (method_name, "op") || | |
1247 | startswith (method_name, "type")) | |
50641945 FN |
1248 | { |
1249 | if (cplus_demangle_opname (method_name, dem_opname, DMGL_ANSI)) | |
1250 | method_name = dem_opname; | |
1251 | else if (cplus_demangle_opname (method_name, dem_opname, 0)) | |
1252 | method_name = dem_opname; | |
1253 | } | |
1254 | ||
b5ec771e | 1255 | if (symbol_name_compare (method_name, lookup_name, NULL)) |
f8eba3c6 TT |
1256 | { |
1257 | int field_counter; | |
aee8d8ba | 1258 | |
f8eba3c6 TT |
1259 | for (field_counter = (TYPE_FN_FIELDLIST_LENGTH (t, method_counter) |
1260 | - 1); | |
1261 | field_counter >= 0; | |
1262 | --field_counter) | |
1263 | { | |
1264 | struct fn_field *f; | |
1265 | const char *phys_name; | |
1266 | ||
1267 | f = TYPE_FN_FIELDLIST1 (t, method_counter); | |
1268 | if (TYPE_FN_FIELD_STUB (f, field_counter)) | |
1269 | continue; | |
1270 | phys_name = TYPE_FN_FIELD_PHYSNAME (f, field_counter); | |
9b2f8581 | 1271 | result_names->push_back (phys_name); |
f8eba3c6 TT |
1272 | } |
1273 | } | |
aee8d8ba DC |
1274 | } |
1275 | } | |
1276 | ||
f8eba3c6 | 1277 | for (ibase = 0; ibase < TYPE_N_BASECLASSES (t); ibase++) |
8e8d776e | 1278 | superclasses->push_back (TYPE_BASECLASS (t, ibase)); |
50641945 FN |
1279 | } |
1280 | ||
50641945 FN |
1281 | /* Find an instance of the character C in the string S that is outside |
1282 | of all parenthesis pairs, single-quoted strings, and double-quoted | |
8120c9d5 | 1283 | strings. Also, ignore the char within a template name, like a ',' |
be966d42 | 1284 | within foo<int, int>, while considering C++ operator</operator<<. */ |
8120c9d5 | 1285 | |
87f0e720 | 1286 | const char * |
40e084e1 | 1287 | find_toplevel_char (const char *s, char c) |
50641945 FN |
1288 | { |
1289 | int quoted = 0; /* zero if we're not in quotes; | |
1290 | '"' if we're in a double-quoted string; | |
1291 | '\'' if we're in a single-quoted string. */ | |
a04257e6 | 1292 | int depth = 0; /* Number of unclosed parens we've seen. */ |
40e084e1 | 1293 | const char *scan; |
50641945 FN |
1294 | |
1295 | for (scan = s; *scan; scan++) | |
1296 | { | |
1297 | if (quoted) | |
1298 | { | |
1299 | if (*scan == quoted) | |
1300 | quoted = 0; | |
1301 | else if (*scan == '\\' && *(scan + 1)) | |
1302 | scan++; | |
1303 | } | |
1304 | else if (*scan == c && ! quoted && depth == 0) | |
1305 | return scan; | |
1306 | else if (*scan == '"' || *scan == '\'') | |
1307 | quoted = *scan; | |
8120c9d5 | 1308 | else if (*scan == '(' || *scan == '<') |
50641945 | 1309 | depth++; |
8120c9d5 | 1310 | else if ((*scan == ')' || *scan == '>') && depth > 0) |
50641945 | 1311 | depth--; |
be966d42 PA |
1312 | else if (*scan == 'o' && !quoted && depth == 0) |
1313 | { | |
1314 | /* Handle C++ operator names. */ | |
1315 | if (strncmp (scan, CP_OPERATOR_STR, CP_OPERATOR_LEN) == 0) | |
1316 | { | |
1317 | scan += CP_OPERATOR_LEN; | |
1318 | if (*scan == c) | |
1319 | return scan; | |
1320 | while (isspace (*scan)) | |
1321 | { | |
1322 | ++scan; | |
1323 | if (*scan == c) | |
1324 | return scan; | |
1325 | } | |
1326 | if (*scan == '\0') | |
1327 | break; | |
1328 | ||
1329 | switch (*scan) | |
1330 | { | |
1331 | /* Skip over one less than the appropriate number of | |
1332 | characters: the for loop will skip over the last | |
1333 | one. */ | |
1334 | case '<': | |
1335 | if (scan[1] == '<') | |
1336 | { | |
1337 | scan++; | |
1338 | if (*scan == c) | |
1339 | return scan; | |
1340 | } | |
1341 | break; | |
1342 | case '>': | |
1343 | if (scan[1] == '>') | |
1344 | { | |
1345 | scan++; | |
1346 | if (*scan == c) | |
1347 | return scan; | |
1348 | } | |
1349 | break; | |
1350 | } | |
1351 | } | |
1352 | } | |
50641945 FN |
1353 | } |
1354 | ||
1355 | return 0; | |
1356 | } | |
1357 | ||
40e084e1 KS |
1358 | /* The string equivalent of find_toplevel_char. Returns a pointer |
1359 | to the location of NEEDLE in HAYSTACK, ignoring any occurrences | |
1360 | inside "()" and "<>". Returns NULL if NEEDLE was not found. */ | |
889f28e2 | 1361 | |
40e084e1 KS |
1362 | static const char * |
1363 | find_toplevel_string (const char *haystack, const char *needle) | |
889f28e2 | 1364 | { |
40e084e1 KS |
1365 | const char *s = haystack; |
1366 | ||
1367 | do | |
1368 | { | |
1369 | s = find_toplevel_char (s, *needle); | |
1370 | ||
1371 | if (s != NULL) | |
1372 | { | |
1373 | /* Found first char in HAYSTACK; check rest of string. */ | |
61012eef | 1374 | if (startswith (s, needle)) |
40e084e1 KS |
1375 | return s; |
1376 | ||
1377 | /* Didn't find it; loop over HAYSTACK, looking for the next | |
1378 | instance of the first character of NEEDLE. */ | |
1379 | ++s; | |
1380 | } | |
1381 | } | |
1382 | while (s != NULL && *s != '\0'); | |
1383 | ||
1384 | /* NEEDLE was not found in HAYSTACK. */ | |
1385 | return NULL; | |
889f28e2 AF |
1386 | } |
1387 | ||
33f448b1 | 1388 | /* Convert CANONICAL to its string representation using |
53a0f8a2 | 1389 | symtab_to_fullname for SYMTAB. */ |
33f448b1 | 1390 | |
53a0f8a2 | 1391 | static std::string |
33f448b1 JK |
1392 | canonical_to_fullform (const struct linespec_canonical_name *canonical) |
1393 | { | |
1394 | if (canonical->symtab == NULL) | |
53a0f8a2 | 1395 | return canonical->suffix; |
33f448b1 | 1396 | else |
53a0f8a2 TT |
1397 | return string_printf ("%s:%s", symtab_to_fullname (canonical->symtab), |
1398 | canonical->suffix); | |
33f448b1 JK |
1399 | } |
1400 | ||
f8eba3c6 TT |
1401 | /* Given FILTERS, a list of canonical names, filter the sals in RESULT |
1402 | and store the result in SELF->CANONICAL. */ | |
50641945 | 1403 | |
f8eba3c6 TT |
1404 | static void |
1405 | filter_results (struct linespec_state *self, | |
6c5b2ebe | 1406 | std::vector<symtab_and_line> *result, |
f73c6ece | 1407 | const std::vector<const char *> &filters) |
f8eba3c6 | 1408 | { |
f73c6ece | 1409 | for (const char *name : filters) |
f8eba3c6 | 1410 | { |
6c5b2ebe | 1411 | linespec_sals lsal; |
f8eba3c6 | 1412 | |
6c5b2ebe | 1413 | for (size_t j = 0; j < result->size (); ++j) |
f8eba3c6 | 1414 | { |
33f448b1 | 1415 | const struct linespec_canonical_name *canonical; |
33f448b1 JK |
1416 | |
1417 | canonical = &self->canonical_names[j]; | |
53a0f8a2 | 1418 | std::string fullform = canonical_to_fullform (canonical); |
33f448b1 | 1419 | |
53a0f8a2 | 1420 | if (name == fullform) |
6c5b2ebe | 1421 | lsal.sals.push_back ((*result)[j]); |
f8eba3c6 TT |
1422 | } |
1423 | ||
6c5b2ebe | 1424 | if (!lsal.sals.empty ()) |
f8eba3c6 TT |
1425 | { |
1426 | lsal.canonical = xstrdup (name); | |
6c5b2ebe | 1427 | self->canonical->lsals.push_back (std::move (lsal)); |
f8eba3c6 TT |
1428 | } |
1429 | } | |
1430 | ||
1431 | self->canonical->pre_expanded = 0; | |
1432 | } | |
1433 | ||
1434 | /* Store RESULT into SELF->CANONICAL. */ | |
1435 | ||
1436 | static void | |
1437 | convert_results_to_lsals (struct linespec_state *self, | |
6c5b2ebe | 1438 | std::vector<symtab_and_line> *result) |
50641945 | 1439 | { |
f8eba3c6 TT |
1440 | struct linespec_sals lsal; |
1441 | ||
1442 | lsal.canonical = NULL; | |
6c5b2ebe PA |
1443 | lsal.sals = std::move (*result); |
1444 | self->canonical->lsals.push_back (std::move (lsal)); | |
f8eba3c6 TT |
1445 | } |
1446 | ||
33f448b1 JK |
1447 | /* A structure that contains two string representations of a struct |
1448 | linespec_canonical_name: | |
1449 | - one where the the symtab's fullname is used; | |
1450 | - one where the filename followed the "set filename-display" | |
1451 | setting. */ | |
1452 | ||
1453 | struct decode_line_2_item | |
1454 | { | |
53a0f8a2 TT |
1455 | decode_line_2_item (std::string &&fullform_, std::string &&displayform_, |
1456 | bool selected_) | |
1457 | : fullform (std::move (fullform_)), | |
1458 | displayform (std::move (displayform_)), | |
1459 | selected (selected_) | |
1460 | { | |
1461 | } | |
33f448b1 | 1462 | |
53a0f8a2 TT |
1463 | /* The form using symtab_to_fullname. */ |
1464 | std::string fullform; | |
1465 | ||
1466 | /* The form using symtab_to_filename_for_display. */ | |
1467 | std::string displayform; | |
33f448b1 JK |
1468 | |
1469 | /* Field is initialized to zero and it is set to one if the user | |
1470 | requested breakpoint for this entry. */ | |
1471 | unsigned int selected : 1; | |
1472 | }; | |
1473 | ||
53a0f8a2 TT |
1474 | /* Helper for std::sort to sort decode_line_2_item entries by |
1475 | DISPLAYFORM and secondarily by FULLFORM. */ | |
33f448b1 | 1476 | |
53a0f8a2 TT |
1477 | static bool |
1478 | decode_line_2_compare_items (const decode_line_2_item &a, | |
1479 | const decode_line_2_item &b) | |
33f448b1 | 1480 | { |
53a0f8a2 TT |
1481 | if (a.displayform != b.displayform) |
1482 | return a.displayform < b.displayform; | |
1483 | return a.fullform < b.fullform; | |
33f448b1 JK |
1484 | } |
1485 | ||
f8eba3c6 TT |
1486 | /* Handle multiple results in RESULT depending on SELECT_MODE. This |
1487 | will either return normally, throw an exception on multiple | |
1488 | results, or present a menu to the user. On return, the SALS vector | |
1489 | in SELF->CANONICAL is set up properly. */ | |
1490 | ||
1491 | static void | |
1492 | decode_line_2 (struct linespec_state *self, | |
6c5b2ebe | 1493 | std::vector<symtab_and_line> *result, |
f8eba3c6 TT |
1494 | const char *select_mode) |
1495 | { | |
a121b7c1 PA |
1496 | char *args; |
1497 | const char *prompt; | |
50641945 | 1498 | int i; |
f73c6ece | 1499 | std::vector<const char *> filters; |
53a0f8a2 | 1500 | std::vector<struct decode_line_2_item> items; |
50641945 | 1501 | |
f8eba3c6 TT |
1502 | gdb_assert (select_mode != multiple_symbols_all); |
1503 | gdb_assert (self->canonical != NULL); | |
6c5b2ebe | 1504 | gdb_assert (!result->empty ()); |
33f448b1 | 1505 | |
33f448b1 | 1506 | /* Prepare ITEMS array. */ |
53a0f8a2 | 1507 | for (i = 0; i < result->size (); ++i) |
50641945 | 1508 | { |
33f448b1 | 1509 | const struct linespec_canonical_name *canonical; |
53a0f8a2 TT |
1510 | std::string displayform; |
1511 | ||
33f448b1 JK |
1512 | canonical = &self->canonical_names[i]; |
1513 | gdb_assert (canonical->suffix != NULL); | |
f8eba3c6 | 1514 | |
53a0f8a2 | 1515 | std::string fullform = canonical_to_fullform (canonical); |
33f448b1 JK |
1516 | |
1517 | if (canonical->symtab == NULL) | |
53a0f8a2 | 1518 | displayform = canonical->suffix; |
33f448b1 | 1519 | else |
f8eba3c6 | 1520 | { |
33f448b1 JK |
1521 | const char *fn_for_display; |
1522 | ||
1523 | fn_for_display = symtab_to_filename_for_display (canonical->symtab); | |
53a0f8a2 TT |
1524 | displayform = string_printf ("%s:%s", fn_for_display, |
1525 | canonical->suffix); | |
f8eba3c6 TT |
1526 | } |
1527 | ||
53a0f8a2 TT |
1528 | items.emplace_back (std::move (fullform), std::move (displayform), |
1529 | false); | |
50641945 FN |
1530 | } |
1531 | ||
33f448b1 | 1532 | /* Sort the list of method names. */ |
53a0f8a2 | 1533 | std::sort (items.begin (), items.end (), decode_line_2_compare_items); |
33f448b1 JK |
1534 | |
1535 | /* Remove entries with the same FULLFORM. */ | |
53a0f8a2 TT |
1536 | items.erase (std::unique (items.begin (), items.end (), |
1537 | [] (const struct decode_line_2_item &a, | |
1538 | const struct decode_line_2_item &b) | |
1539 | { | |
1540 | return a.fullform == b.fullform; | |
1541 | }), | |
1542 | items.end ()); | |
1543 | ||
1544 | if (select_mode == multiple_symbols_cancel && items.size () > 1) | |
f8eba3c6 TT |
1545 | error (_("canceled because the command is ambiguous\n" |
1546 | "See set/show multiple-symbol.")); | |
1547 | ||
53a0f8a2 | 1548 | if (select_mode == multiple_symbols_all || items.size () == 1) |
50641945 | 1549 | { |
f8eba3c6 TT |
1550 | convert_results_to_lsals (self, result); |
1551 | return; | |
50641945 FN |
1552 | } |
1553 | ||
f8eba3c6 | 1554 | printf_unfiltered (_("[0] cancel\n[1] all\n")); |
53a0f8a2 TT |
1555 | for (i = 0; i < items.size (); i++) |
1556 | printf_unfiltered ("[%d] %s\n", i + 2, items[i].displayform.c_str ()); | |
f8eba3c6 TT |
1557 | |
1558 | prompt = getenv ("PS2"); | |
1559 | if (prompt == NULL) | |
50641945 | 1560 | { |
f8eba3c6 | 1561 | prompt = "> "; |
50641945 | 1562 | } |
89fbedf3 | 1563 | args = command_line_input (prompt, "overload-choice"); |
50641945 FN |
1564 | |
1565 | if (args == 0 || *args == 0) | |
e2e0b3e5 | 1566 | error_no_arg (_("one or more choice numbers")); |
50641945 | 1567 | |
bfd28288 PA |
1568 | number_or_range_parser parser (args); |
1569 | while (!parser.finished ()) | |
50641945 | 1570 | { |
bfd28288 | 1571 | int num = parser.get_number (); |
50641945 FN |
1572 | |
1573 | if (num == 0) | |
8a3fe4f8 | 1574 | error (_("canceled")); |
50641945 FN |
1575 | else if (num == 1) |
1576 | { | |
f8eba3c6 TT |
1577 | /* We intentionally make this result in a single breakpoint, |
1578 | contrary to what older versions of gdb did. The | |
1579 | rationale is that this lets a user get the | |
1580 | multiple_symbols_all behavior even with the 'ask' | |
1581 | setting; and he can get separate breakpoints by entering | |
1582 | "2-57" at the query. */ | |
f8eba3c6 TT |
1583 | convert_results_to_lsals (self, result); |
1584 | return; | |
50641945 FN |
1585 | } |
1586 | ||
f8eba3c6 | 1587 | num -= 2; |
53a0f8a2 | 1588 | if (num >= items.size ()) |
f8eba3c6 | 1589 | printf_unfiltered (_("No choice number %d.\n"), num); |
50641945 FN |
1590 | else |
1591 | { | |
33f448b1 | 1592 | struct decode_line_2_item *item = &items[num]; |
f8eba3c6 | 1593 | |
33f448b1 | 1594 | if (!item->selected) |
50641945 | 1595 | { |
f73c6ece | 1596 | filters.push_back (item->fullform.c_str ()); |
33f448b1 | 1597 | item->selected = 1; |
50641945 FN |
1598 | } |
1599 | else | |
1600 | { | |
3e43a32a | 1601 | printf_unfiltered (_("duplicate request for %d ignored.\n"), |
f6f99966 | 1602 | num + 2); |
50641945 FN |
1603 | } |
1604 | } | |
50641945 | 1605 | } |
f8eba3c6 TT |
1606 | |
1607 | filter_results (self, result, filters); | |
50641945 | 1608 | } |
94af9270 | 1609 | |
40e084e1 | 1610 | \f |
3d50dd94 | 1611 | |
40e084e1 KS |
1612 | /* The parser of linespec itself. */ |
1613 | ||
1614 | /* Throw an appropriate error when SYMBOL is not found (optionally in | |
1615 | FILENAME). */ | |
1616 | ||
1617 | static void ATTRIBUTE_NORETURN | |
5d94e27b | 1618 | symbol_not_found_error (const char *symbol, const char *filename) |
3d50dd94 | 1619 | { |
40e084e1 KS |
1620 | if (symbol == NULL) |
1621 | symbol = ""; | |
1622 | ||
1623 | if (!have_full_symbols () | |
1624 | && !have_partial_symbols () | |
1625 | && !have_minimal_symbols ()) | |
1626 | throw_error (NOT_FOUND_ERROR, | |
1627 | _("No symbol table is loaded. Use the \"file\" command.")); | |
1628 | ||
1629 | /* If SYMBOL starts with '$', the user attempted to either lookup | |
1630 | a function/variable in his code starting with '$' or an internal | |
1631 | variable of that name. Since we do not know which, be concise and | |
1632 | explain both possibilities. */ | |
1633 | if (*symbol == '$') | |
1634 | { | |
1635 | if (filename) | |
1636 | throw_error (NOT_FOUND_ERROR, | |
1637 | _("Undefined convenience variable or function \"%s\" " | |
1638 | "not defined in \"%s\"."), symbol, filename); | |
1639 | else | |
1640 | throw_error (NOT_FOUND_ERROR, | |
1641 | _("Undefined convenience variable or function \"%s\" " | |
1642 | "not defined."), symbol); | |
1643 | } | |
1644 | else | |
1645 | { | |
1646 | if (filename) | |
1647 | throw_error (NOT_FOUND_ERROR, | |
1648 | _("Function \"%s\" not defined in \"%s\"."), | |
1649 | symbol, filename); | |
1650 | else | |
1651 | throw_error (NOT_FOUND_ERROR, | |
1652 | _("Function \"%s\" not defined."), symbol); | |
1653 | } | |
3d50dd94 JK |
1654 | } |
1655 | ||
40e084e1 KS |
1656 | /* Throw an appropriate error when an unexpected token is encountered |
1657 | in the input. */ | |
94af9270 | 1658 | |
40e084e1 KS |
1659 | static void ATTRIBUTE_NORETURN |
1660 | unexpected_linespec_error (linespec_parser *parser) | |
94af9270 | 1661 | { |
40e084e1 KS |
1662 | linespec_token token; |
1663 | static const char * token_type_strings[] | |
1664 | = {"keyword", "colon", "string", "number", "comma", "end of input"}; | |
94af9270 | 1665 | |
40e084e1 KS |
1666 | /* Get the token that generated the error. */ |
1667 | token = linespec_lexer_lex_one (parser); | |
94af9270 | 1668 | |
40e084e1 KS |
1669 | /* Finally, throw the error. */ |
1670 | if (token.type == LSTOKEN_STRING || token.type == LSTOKEN_NUMBER | |
1671 | || token.type == LSTOKEN_KEYWORD) | |
94af9270 | 1672 | { |
a5b5adf5 | 1673 | gdb::unique_xmalloc_ptr<char> string = copy_token_string (token); |
40e084e1 KS |
1674 | throw_error (GENERIC_ERROR, |
1675 | _("malformed linespec error: unexpected %s, \"%s\""), | |
a5b5adf5 | 1676 | token_type_strings[token.type], string.get ()); |
40e084e1 KS |
1677 | } |
1678 | else | |
1679 | throw_error (GENERIC_ERROR, | |
1680 | _("malformed linespec error: unexpected %s"), | |
1681 | token_type_strings[token.type]); | |
1682 | } | |
1683 | ||
00e52e53 KS |
1684 | /* Throw an undefined label error. */ |
1685 | ||
1686 | static void ATTRIBUTE_NORETURN | |
1687 | undefined_label_error (const char *function, const char *label) | |
1688 | { | |
1689 | if (function != NULL) | |
1690 | throw_error (NOT_FOUND_ERROR, | |
1691 | _("No label \"%s\" defined in function \"%s\"."), | |
1692 | label, function); | |
1693 | else | |
1694 | throw_error (NOT_FOUND_ERROR, | |
1695 | _("No label \"%s\" defined in current function."), | |
1696 | label); | |
1697 | } | |
1698 | ||
1699 | /* Throw a source file not found error. */ | |
1700 | ||
1701 | static void ATTRIBUTE_NORETURN | |
1702 | source_file_not_found_error (const char *name) | |
1703 | { | |
1704 | throw_error (NOT_FOUND_ERROR, _("No source file named %s."), name); | |
1705 | } | |
1706 | ||
c45ec17c PA |
1707 | /* Unless at EIO, save the current stream position as completion word |
1708 | point, and consume the next token. */ | |
1709 | ||
1710 | static linespec_token | |
1711 | save_stream_and_consume_token (linespec_parser *parser) | |
1712 | { | |
1713 | if (linespec_lexer_peek_token (parser).type != LSTOKEN_EOI) | |
1714 | parser->completion_word = PARSER_STREAM (parser); | |
1715 | return linespec_lexer_consume_token (parser); | |
1716 | } | |
1717 | ||
87f0e720 | 1718 | /* See description in linespec.h. */ |
40e084e1 | 1719 | |
87f0e720 | 1720 | struct line_offset |
09cf2b22 | 1721 | linespec_parse_line_offset (const char *string) |
40e084e1 | 1722 | { |
87f0e720 | 1723 | const char *start = string; |
40e084e1 KS |
1724 | struct line_offset line_offset = {0, LINE_OFFSET_NONE}; |
1725 | ||
1726 | if (*string == '+') | |
1727 | { | |
1728 | line_offset.sign = LINE_OFFSET_PLUS; | |
1729 | ++string; | |
1730 | } | |
1731 | else if (*string == '-') | |
1732 | { | |
1733 | line_offset.sign = LINE_OFFSET_MINUS; | |
1734 | ++string; | |
1735 | } | |
1736 | ||
87f0e720 KS |
1737 | if (*string != '\0' && !isdigit (*string)) |
1738 | error (_("malformed line offset: \"%s\""), start); | |
1739 | ||
40e084e1 KS |
1740 | /* Right now, we only allow base 10 for offsets. */ |
1741 | line_offset.offset = atoi (string); | |
1742 | return line_offset; | |
1743 | } | |
1744 | ||
c45ec17c PA |
1745 | /* In completion mode, if the user is still typing the number, there's |
1746 | no possible completion to offer. But if there's already input past | |
1747 | the number, setup to expect NEXT. */ | |
1748 | ||
1749 | static void | |
1750 | set_completion_after_number (linespec_parser *parser, | |
1751 | linespec_complete_what next) | |
1752 | { | |
1753 | if (*PARSER_STREAM (parser) == ' ') | |
1754 | { | |
f1735a53 | 1755 | parser->completion_word = skip_spaces (PARSER_STREAM (parser) + 1); |
c45ec17c PA |
1756 | parser->complete_what = next; |
1757 | } | |
1758 | else | |
1759 | { | |
1760 | parser->completion_word = PARSER_STREAM (parser); | |
1761 | parser->complete_what = linespec_complete_what::NOTHING; | |
1762 | } | |
1763 | } | |
1764 | ||
40e084e1 KS |
1765 | /* Parse the basic_spec in PARSER's input. */ |
1766 | ||
1767 | static void | |
1768 | linespec_parse_basic (linespec_parser *parser) | |
1769 | { | |
a5b5adf5 | 1770 | gdb::unique_xmalloc_ptr<char> name; |
40e084e1 | 1771 | linespec_token token; |
7243d011 | 1772 | std::vector<symbol *> symbols; |
3553eadc | 1773 | std::vector<symbol *> *labels; |
c2a031c5 | 1774 | std::vector<bound_minimal_symbol> minimal_symbols; |
40e084e1 KS |
1775 | |
1776 | /* Get the next token. */ | |
1777 | token = linespec_lexer_lex_one (parser); | |
1778 | ||
1779 | /* If it is EOI or KEYWORD, issue an error. */ | |
c45ec17c PA |
1780 | if (token.type == LSTOKEN_KEYWORD) |
1781 | { | |
1782 | parser->complete_what = linespec_complete_what::NOTHING; | |
1783 | unexpected_linespec_error (parser); | |
1784 | } | |
1785 | else if (token.type == LSTOKEN_EOI) | |
1786 | { | |
1787 | unexpected_linespec_error (parser); | |
1788 | } | |
40e084e1 KS |
1789 | /* If it is a LSTOKEN_NUMBER, we have an offset. */ |
1790 | else if (token.type == LSTOKEN_NUMBER) | |
1791 | { | |
c45ec17c PA |
1792 | set_completion_after_number (parser, linespec_complete_what::KEYWORD); |
1793 | ||
40e084e1 KS |
1794 | /* Record the line offset and get the next token. */ |
1795 | name = copy_token_string (token); | |
a5b5adf5 TT |
1796 | PARSER_EXPLICIT (parser)->line_offset |
1797 | = linespec_parse_line_offset (name.get ()); | |
40e084e1 KS |
1798 | |
1799 | /* Get the next token. */ | |
1800 | token = linespec_lexer_consume_token (parser); | |
1801 | ||
1802 | /* If the next token is a comma, stop parsing and return. */ | |
1803 | if (token.type == LSTOKEN_COMMA) | |
c45ec17c PA |
1804 | { |
1805 | parser->complete_what = linespec_complete_what::NOTHING; | |
1806 | return; | |
1807 | } | |
40e084e1 KS |
1808 | |
1809 | /* If the next token is anything but EOI or KEYWORD, issue | |
1810 | an error. */ | |
1811 | if (token.type != LSTOKEN_KEYWORD && token.type != LSTOKEN_EOI) | |
1812 | unexpected_linespec_error (parser); | |
1813 | } | |
1814 | ||
1815 | if (token.type == LSTOKEN_KEYWORD || token.type == LSTOKEN_EOI) | |
1816 | return; | |
1817 | ||
1818 | /* Next token must be LSTOKEN_STRING. */ | |
1819 | if (token.type != LSTOKEN_STRING) | |
c45ec17c PA |
1820 | { |
1821 | parser->complete_what = linespec_complete_what::NOTHING; | |
1822 | unexpected_linespec_error (parser); | |
1823 | } | |
40e084e1 KS |
1824 | |
1825 | /* The current token will contain the name of a function, method, | |
1826 | or label. */ | |
c45ec17c | 1827 | name = copy_token_string (token); |
c45ec17c PA |
1828 | |
1829 | if (parser->completion_tracker != NULL) | |
1830 | { | |
1831 | /* If the function name ends with a ":", then this may be an | |
1832 | incomplete "::" scope operator instead of a label separator. | |
1833 | E.g., | |
1834 | "b klass:<tab>" | |
1835 | which should expand to: | |
1836 | "b klass::method()" | |
1837 | ||
1838 | Do a tentative completion assuming the later. If we find | |
1839 | completions, advance the stream past the colon token and make | |
1840 | it part of the function name/token. */ | |
1841 | ||
1842 | if (!parser->completion_quote_char | |
1843 | && strcmp (PARSER_STREAM (parser), ":") == 0) | |
1844 | { | |
1845 | completion_tracker tmp_tracker; | |
1846 | const char *source_filename | |
1847 | = PARSER_EXPLICIT (parser)->source_filename; | |
a20714ff PA |
1848 | symbol_name_match_type match_type |
1849 | = PARSER_EXPLICIT (parser)->func_name_match_type; | |
c45ec17c PA |
1850 | |
1851 | linespec_complete_function (tmp_tracker, | |
1852 | parser->completion_word, | |
a20714ff | 1853 | match_type, |
c45ec17c PA |
1854 | source_filename); |
1855 | ||
1856 | if (tmp_tracker.have_completions ()) | |
1857 | { | |
1858 | PARSER_STREAM (parser)++; | |
1859 | LS_TOKEN_STOKEN (token).length++; | |
1860 | ||
a5b5adf5 TT |
1861 | name.reset (savestring (parser->completion_word, |
1862 | (PARSER_STREAM (parser) | |
1863 | - parser->completion_word))); | |
c45ec17c PA |
1864 | } |
1865 | } | |
1866 | ||
a5b5adf5 | 1867 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
c45ec17c PA |
1868 | } |
1869 | else | |
1870 | { | |
6a307fc5 TT |
1871 | /* Try looking it up as a function/method. */ |
1872 | find_linespec_symbols (PARSER_STATE (parser), | |
a5b5adf5 | 1873 | PARSER_RESULT (parser)->file_symtabs, name.get (), |
6a307fc5 TT |
1874 | PARSER_EXPLICIT (parser)->func_name_match_type, |
1875 | &symbols, &minimal_symbols); | |
40e084e1 | 1876 | |
c2a031c5 | 1877 | if (!symbols.empty () || !minimal_symbols.empty ()) |
94af9270 | 1878 | { |
7243d011 KS |
1879 | PARSER_RESULT (parser)->function_symbols |
1880 | = new std::vector<symbol *> (std::move (symbols)); | |
c2a031c5 KS |
1881 | PARSER_RESULT (parser)->minimal_symbols |
1882 | = new std::vector<bound_minimal_symbol> | |
1883 | (std::move (minimal_symbols)); | |
a5b5adf5 | 1884 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
40e084e1 | 1885 | } |
6a307fc5 | 1886 | else |
b4013987 | 1887 | { |
6a307fc5 TT |
1888 | /* NAME was not a function or a method. So it must be a label |
1889 | name or user specified variable like "break foo.c:$zippo". */ | |
1890 | labels = find_label_symbols (PARSER_STATE (parser), NULL, | |
a5b5adf5 | 1891 | &symbols, name.get ()); |
6a307fc5 TT |
1892 | if (labels != NULL) |
1893 | { | |
1894 | PARSER_RESULT (parser)->labels.label_symbols = labels; | |
7243d011 KS |
1895 | PARSER_RESULT (parser)->labels.function_symbols |
1896 | = new std::vector<symbol *> (std::move (symbols)); | |
a5b5adf5 | 1897 | PARSER_EXPLICIT (parser)->label_name = name.release (); |
6a307fc5 TT |
1898 | } |
1899 | else if (token.type == LSTOKEN_STRING | |
1900 | && *LS_TOKEN_STOKEN (token).ptr == '$') | |
1901 | { | |
1902 | /* User specified a convenience variable or history value. */ | |
1903 | PARSER_EXPLICIT (parser)->line_offset | |
a5b5adf5 | 1904 | = linespec_parse_variable (PARSER_STATE (parser), name.get ()); |
b4013987 | 1905 | |
6a307fc5 TT |
1906 | if (PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN) |
1907 | { | |
1908 | /* The user-specified variable was not valid. Do not | |
1909 | throw an error here. parse_linespec will do it for us. */ | |
a5b5adf5 | 1910 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
6a307fc5 TT |
1911 | return; |
1912 | } | |
6a307fc5 TT |
1913 | } |
1914 | else | |
b4013987 | 1915 | { |
6a307fc5 TT |
1916 | /* The name is also not a label. Abort parsing. Do not throw |
1917 | an error here. parse_linespec will do it for us. */ | |
1918 | ||
1919 | /* Save a copy of the name we were trying to lookup. */ | |
a5b5adf5 | 1920 | PARSER_EXPLICIT (parser)->function_name = name.release (); |
b4013987 AA |
1921 | return; |
1922 | } | |
1923 | } | |
c45ec17c PA |
1924 | } |
1925 | ||
1926 | int previous_qc = parser->completion_quote_char; | |
40e084e1 KS |
1927 | |
1928 | /* Get the next token. */ | |
1929 | token = linespec_lexer_consume_token (parser); | |
1930 | ||
c45ec17c PA |
1931 | if (token.type == LSTOKEN_EOI) |
1932 | { | |
1933 | if (previous_qc && !parser->completion_quote_char) | |
1934 | parser->complete_what = linespec_complete_what::KEYWORD; | |
1935 | } | |
1936 | else if (token.type == LSTOKEN_COLON) | |
40e084e1 KS |
1937 | { |
1938 | /* User specified a label or a lineno. */ | |
1939 | token = linespec_lexer_consume_token (parser); | |
1940 | ||
1941 | if (token.type == LSTOKEN_NUMBER) | |
1942 | { | |
1943 | /* User specified an offset. Record the line offset and | |
1944 | get the next token. */ | |
c45ec17c PA |
1945 | set_completion_after_number (parser, linespec_complete_what::KEYWORD); |
1946 | ||
40e084e1 | 1947 | name = copy_token_string (token); |
00e52e53 | 1948 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 1949 | = linespec_parse_line_offset (name.get ()); |
40e084e1 | 1950 | |
c45ec17c | 1951 | /* Get the next token. */ |
40e084e1 KS |
1952 | token = linespec_lexer_consume_token (parser); |
1953 | } | |
c45ec17c PA |
1954 | else if (token.type == LSTOKEN_EOI && parser->completion_tracker != NULL) |
1955 | { | |
1956 | parser->complete_what = linespec_complete_what::LABEL; | |
1957 | } | |
40e084e1 KS |
1958 | else if (token.type == LSTOKEN_STRING) |
1959 | { | |
c45ec17c PA |
1960 | parser->complete_what = linespec_complete_what::LABEL; |
1961 | ||
1962 | /* If we have text after the label separated by whitespace | |
1963 | (e.g., "b func():lab i<tab>"), don't consider it part of | |
1964 | the label. In completion mode that should complete to | |
1965 | "if", in normal mode, the 'i' should be treated as | |
1966 | garbage. */ | |
1967 | if (parser->completion_quote_char == '\0') | |
1968 | { | |
1969 | const char *ptr = LS_TOKEN_STOKEN (token).ptr; | |
1970 | for (size_t i = 0; i < LS_TOKEN_STOKEN (token).length; i++) | |
1971 | { | |
1972 | if (ptr[i] == ' ') | |
1973 | { | |
1974 | LS_TOKEN_STOKEN (token).length = i; | |
f1735a53 | 1975 | PARSER_STREAM (parser) = skip_spaces (ptr + i + 1); |
c45ec17c PA |
1976 | break; |
1977 | } | |
1978 | } | |
1979 | } | |
1980 | ||
1981 | if (parser->completion_tracker != NULL) | |
1982 | { | |
1983 | if (PARSER_STREAM (parser)[-1] == ' ') | |
1984 | { | |
1985 | parser->completion_word = PARSER_STREAM (parser); | |
1986 | parser->complete_what = linespec_complete_what::KEYWORD; | |
1987 | } | |
1988 | } | |
1989 | else | |
1990 | { | |
6a307fc5 TT |
1991 | /* Grab a copy of the label's name and look it up. */ |
1992 | name = copy_token_string (token); | |
6a307fc5 TT |
1993 | labels |
1994 | = find_label_symbols (PARSER_STATE (parser), | |
1995 | PARSER_RESULT (parser)->function_symbols, | |
a5b5adf5 | 1996 | &symbols, name.get ()); |
40e084e1 | 1997 | |
6a307fc5 TT |
1998 | if (labels != NULL) |
1999 | { | |
2000 | PARSER_RESULT (parser)->labels.label_symbols = labels; | |
7243d011 KS |
2001 | PARSER_RESULT (parser)->labels.function_symbols |
2002 | = new std::vector<symbol *> (std::move (symbols)); | |
a5b5adf5 | 2003 | PARSER_EXPLICIT (parser)->label_name = name.release (); |
6a307fc5 TT |
2004 | } |
2005 | else | |
2006 | { | |
2007 | /* We don't know what it was, but it isn't a label. */ | |
2008 | undefined_label_error | |
a5b5adf5 | 2009 | (PARSER_EXPLICIT (parser)->function_name, name.get ()); |
6a307fc5 | 2010 | } |
40e084e1 | 2011 | |
c45ec17c PA |
2012 | } |
2013 | ||
40e084e1 | 2014 | /* Check for a line offset. */ |
c45ec17c | 2015 | token = save_stream_and_consume_token (parser); |
40e084e1 KS |
2016 | if (token.type == LSTOKEN_COLON) |
2017 | { | |
2018 | /* Get the next token. */ | |
2019 | token = linespec_lexer_consume_token (parser); | |
2020 | ||
2021 | /* It must be a line offset. */ | |
2022 | if (token.type != LSTOKEN_NUMBER) | |
2023 | unexpected_linespec_error (parser); | |
2024 | ||
c6756f62 | 2025 | /* Record the line offset and get the next token. */ |
40e084e1 | 2026 | name = copy_token_string (token); |
40e084e1 | 2027 | |
00e52e53 | 2028 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 2029 | = linespec_parse_line_offset (name.get ()); |
40e084e1 KS |
2030 | |
2031 | /* Get the next token. */ | |
2032 | token = linespec_lexer_consume_token (parser); | |
94af9270 KS |
2033 | } |
2034 | } | |
40e084e1 KS |
2035 | else |
2036 | { | |
2037 | /* Trailing ':' in the input. Issue an error. */ | |
2038 | unexpected_linespec_error (parser); | |
2039 | } | |
94af9270 | 2040 | } |
40e084e1 | 2041 | } |
94af9270 | 2042 | |
40e084e1 | 2043 | /* Canonicalize the linespec contained in LS. The result is saved into |
00e52e53 KS |
2044 | STATE->canonical. This function handles both linespec and explicit |
2045 | locations. */ | |
40e084e1 KS |
2046 | |
2047 | static void | |
f00aae0f | 2048 | canonicalize_linespec (struct linespec_state *state, const linespec_p ls) |
40e084e1 | 2049 | { |
00e52e53 | 2050 | struct event_location *canon; |
67994074 | 2051 | struct explicit_location *explicit_loc; |
f00aae0f | 2052 | |
40e084e1 KS |
2053 | /* If canonicalization was not requested, no need to do anything. */ |
2054 | if (!state->canonical) | |
2055 | return; | |
2056 | ||
00e52e53 | 2057 | /* Save everything as an explicit location. */ |
8e9e35b1 TT |
2058 | state->canonical->location |
2059 | = new_explicit_location (&ls->explicit_loc); | |
2060 | canon = state->canonical->location.get (); | |
67994074 | 2061 | explicit_loc = get_explicit_location (canon); |
40e084e1 | 2062 | |
67994074 | 2063 | if (explicit_loc->label_name != NULL) |
a06efdd6 | 2064 | { |
00e52e53 | 2065 | state->canonical->special_display = 1; |
40e084e1 | 2066 | |
67994074 | 2067 | if (explicit_loc->function_name == NULL) |
40e084e1 | 2068 | { |
a06efdd6 | 2069 | /* No function was specified, so add the symbol name. */ |
7243d011 KS |
2070 | gdb_assert (!ls->labels.function_symbols->empty () |
2071 | && (ls->labels.function_symbols->size () == 1)); | |
2072 | struct symbol *s = ls->labels.function_symbols->front (); | |
67994074 | 2073 | explicit_loc->function_name = xstrdup (SYMBOL_NATURAL_NAME (s)); |
40e084e1 | 2074 | } |
a06efdd6 | 2075 | } |
40e084e1 | 2076 | |
00e52e53 KS |
2077 | /* If this location originally came from a linespec, save a string |
2078 | representation of it for display and saving to file. */ | |
2079 | if (state->is_linespec) | |
a06efdd6 | 2080 | { |
67994074 | 2081 | char *linespec = explicit_location_to_linespec (explicit_loc); |
a06efdd6 | 2082 | |
00e52e53 KS |
2083 | set_event_location_string (canon, linespec); |
2084 | xfree (linespec); | |
2085 | } | |
94af9270 | 2086 | } |
c00f8484 | 2087 | |
40e084e1 | 2088 | /* Given a line offset in LS, construct the relevant SALs. */ |
c00f8484 | 2089 | |
6c5b2ebe | 2090 | static std::vector<symtab_and_line> |
40e084e1 KS |
2091 | create_sals_line_offset (struct linespec_state *self, |
2092 | linespec_p ls) | |
c00f8484 | 2093 | { |
40e084e1 | 2094 | int use_default = 0; |
c00f8484 | 2095 | |
40e084e1 KS |
2096 | /* This is where we need to make sure we have good defaults. |
2097 | We must guarantee that this section of code is never executed | |
2e47c6ca | 2098 | when we are called with just a function name, since |
40e084e1 KS |
2099 | set_default_source_symtab_and_line uses |
2100 | select_source_symtab that calls us with such an argument. */ | |
2101 | ||
2a908241 KS |
2102 | if (ls->file_symtabs->size () == 1 |
2103 | && ls->file_symtabs->front () == nullptr) | |
3d50dd94 | 2104 | { |
05cba821 JK |
2105 | const char *fullname; |
2106 | ||
40e084e1 | 2107 | set_current_program_space (self->program_space); |
c00f8484 | 2108 | |
40e084e1 KS |
2109 | /* Make sure we have at least a default source line. */ |
2110 | set_default_source_symtab_and_line (); | |
2111 | initialize_defaults (&self->default_symtab, &self->default_line); | |
05cba821 | 2112 | fullname = symtab_to_fullname (self->default_symtab); |
2a908241 KS |
2113 | symtab_vector_up r = |
2114 | collect_symtabs_from_filename (fullname, self->search_pspace); | |
2115 | ls->file_symtabs = r.release (); | |
40e084e1 KS |
2116 | use_default = 1; |
2117 | } | |
c00f8484 | 2118 | |
51abb421 | 2119 | symtab_and_line val; |
67994074 KS |
2120 | val.line = ls->explicit_loc.line_offset.offset; |
2121 | switch (ls->explicit_loc.line_offset.sign) | |
40e084e1 KS |
2122 | { |
2123 | case LINE_OFFSET_PLUS: | |
67994074 | 2124 | if (ls->explicit_loc.line_offset.offset == 0) |
40e084e1 KS |
2125 | val.line = 5; |
2126 | if (use_default) | |
2127 | val.line = self->default_line + val.line; | |
2128 | break; | |
2129 | ||
2130 | case LINE_OFFSET_MINUS: | |
67994074 | 2131 | if (ls->explicit_loc.line_offset.offset == 0) |
40e084e1 KS |
2132 | val.line = 15; |
2133 | if (use_default) | |
2134 | val.line = self->default_line - val.line; | |
2135 | else | |
2136 | val.line = -val.line; | |
2137 | break; | |
2138 | ||
2139 | case LINE_OFFSET_NONE: | |
2140 | break; /* No need to adjust val.line. */ | |
2141 | } | |
2142 | ||
6c5b2ebe | 2143 | std::vector<symtab_and_line> values; |
40e084e1 | 2144 | if (self->list_mode) |
6c5b2ebe | 2145 | values = decode_digits_list_mode (self, ls, val); |
40e084e1 KS |
2146 | else |
2147 | { | |
2148 | struct linetable_entry *best_entry = NULL; | |
40e084e1 KS |
2149 | int i, j; |
2150 | ||
6c5b2ebe PA |
2151 | std::vector<symtab_and_line> intermediate_results |
2152 | = decode_digits_ordinary (self, ls, val.line, &best_entry); | |
2153 | if (intermediate_results.empty () && best_entry != NULL) | |
2154 | intermediate_results = decode_digits_ordinary (self, ls, | |
2155 | best_entry->line, | |
2156 | &best_entry); | |
40e084e1 KS |
2157 | |
2158 | /* For optimized code, the compiler can scatter one source line | |
2159 | across disjoint ranges of PC values, even when no duplicate | |
2160 | functions or inline functions are involved. For example, | |
2161 | 'for (;;)' inside a non-template, non-inline, and non-ctor-or-dtor | |
2162 | function can result in two PC ranges. In this case, we don't | |
2163 | want to set a breakpoint on the first PC of each range. To filter | |
2164 | such cases, we use containing blocks -- for each PC found | |
2165 | above, we see if there are other PCs that are in the same | |
2166 | block. If yes, the other PCs are filtered out. */ | |
2167 | ||
0fc21fd8 TT |
2168 | gdb::def_vector<int> filter (intermediate_results.size ()); |
2169 | gdb::def_vector<const block *> blocks (intermediate_results.size ()); | |
40e084e1 | 2170 | |
6c5b2ebe | 2171 | for (i = 0; i < intermediate_results.size (); ++i) |
3d50dd94 | 2172 | { |
6c5b2ebe | 2173 | set_current_program_space (intermediate_results[i].pspace); |
c00f8484 | 2174 | |
40e084e1 | 2175 | filter[i] = 1; |
6c5b2ebe PA |
2176 | blocks[i] = block_for_pc_sect (intermediate_results[i].pc, |
2177 | intermediate_results[i].section); | |
3d50dd94 | 2178 | } |
c00f8484 | 2179 | |
6c5b2ebe | 2180 | for (i = 0; i < intermediate_results.size (); ++i) |
40e084e1 KS |
2181 | { |
2182 | if (blocks[i] != NULL) | |
6c5b2ebe | 2183 | for (j = i + 1; j < intermediate_results.size (); ++j) |
40e084e1 KS |
2184 | { |
2185 | if (blocks[j] == blocks[i]) | |
2186 | { | |
2187 | filter[j] = 0; | |
2188 | break; | |
2189 | } | |
2190 | } | |
2191 | } | |
c00f8484 | 2192 | |
6c5b2ebe | 2193 | for (i = 0; i < intermediate_results.size (); ++i) |
40e084e1 KS |
2194 | if (filter[i]) |
2195 | { | |
2196 | struct symbol *sym = (blocks[i] | |
2197 | ? block_containing_function (blocks[i]) | |
2198 | : NULL); | |
3d50dd94 | 2199 | |
40e084e1 | 2200 | if (self->funfirstline) |
6c5b2ebe | 2201 | skip_prologue_sal (&intermediate_results[i]); |
cd2bb709 | 2202 | intermediate_results[i].symbol = sym; |
6c5b2ebe | 2203 | add_sal_to_sals (self, &values, &intermediate_results[i], |
66f1999b | 2204 | sym ? SYMBOL_NATURAL_NAME (sym) : NULL, 0); |
40e084e1 | 2205 | } |
f17170e5 | 2206 | } |
c00f8484 | 2207 | |
6c5b2ebe | 2208 | if (values.empty ()) |
40e084e1 | 2209 | { |
67994074 | 2210 | if (ls->explicit_loc.source_filename) |
40e084e1 | 2211 | throw_error (NOT_FOUND_ERROR, _("No line %d in file \"%s\"."), |
67994074 | 2212 | val.line, ls->explicit_loc.source_filename); |
40e084e1 KS |
2213 | else |
2214 | throw_error (NOT_FOUND_ERROR, _("No line %d in the current file."), | |
2215 | val.line); | |
2216 | } | |
3d50dd94 | 2217 | |
40e084e1 | 2218 | return values; |
c00f8484 KS |
2219 | } |
2220 | ||
a06efdd6 KS |
2221 | /* Convert the given ADDRESS into SaLs. */ |
2222 | ||
6c5b2ebe | 2223 | static std::vector<symtab_and_line> |
a06efdd6 KS |
2224 | convert_address_location_to_sals (struct linespec_state *self, |
2225 | CORE_ADDR address) | |
2226 | { | |
6c5b2ebe | 2227 | symtab_and_line sal = find_pc_line (address, 0); |
a06efdd6 KS |
2228 | sal.pc = address; |
2229 | sal.section = find_pc_overlay (address); | |
2230 | sal.explicit_pc = 1; | |
cd2bb709 | 2231 | sal.symbol = find_pc_sect_containing_function (sal.pc, sal.section); |
6c5b2ebe PA |
2232 | |
2233 | std::vector<symtab_and_line> sals; | |
a06efdd6 KS |
2234 | add_sal_to_sals (self, &sals, &sal, core_addr_to_string (address), 1); |
2235 | ||
2236 | return sals; | |
2237 | } | |
2238 | ||
40e084e1 KS |
2239 | /* Create and return SALs from the linespec LS. */ |
2240 | ||
6c5b2ebe | 2241 | static std::vector<symtab_and_line> |
40e084e1 KS |
2242 | convert_linespec_to_sals (struct linespec_state *state, linespec_p ls) |
2243 | { | |
6c5b2ebe | 2244 | std::vector<symtab_and_line> sals; |
40e084e1 | 2245 | |
a06efdd6 | 2246 | if (ls->labels.label_symbols != NULL) |
40e084e1 KS |
2247 | { |
2248 | /* We have just a bunch of functions/methods or labels. */ | |
3553eadc | 2249 | for (const auto &sym : *ls->labels.label_symbols) |
40e084e1 | 2250 | { |
3553eadc | 2251 | struct symtab_and_line sal; |
08be3fe3 | 2252 | struct program_space *pspace = SYMTAB_PSPACE (symbol_symtab (sym)); |
fdbb204b TT |
2253 | |
2254 | if (symbol_to_sal (&sal, state->funfirstline, sym) | |
2255 | && maybe_add_address (state->addr_set, pspace, sal.pc)) | |
64b92e45 KS |
2256 | add_sal_to_sals (state, &sals, &sal, |
2257 | SYMBOL_NATURAL_NAME (sym), 0); | |
40e084e1 KS |
2258 | } |
2259 | } | |
2260 | else if (ls->function_symbols != NULL || ls->minimal_symbols != NULL) | |
2261 | { | |
2262 | /* We have just a bunch of functions and/or methods. */ | |
40e084e1 KS |
2263 | if (ls->function_symbols != NULL) |
2264 | { | |
2265 | /* Sort symbols so that symbols with the same program space are next | |
2266 | to each other. */ | |
7243d011 KS |
2267 | std::sort (ls->function_symbols->begin (), |
2268 | ls->function_symbols->end (), | |
2269 | std_compare_symbols); | |
40e084e1 | 2270 | |
7243d011 | 2271 | for (const auto &sym : *ls->function_symbols) |
40e084e1 | 2272 | { |
76af0f26 | 2273 | program_space *pspace = SYMTAB_PSPACE (symbol_symtab (sym)); |
40e084e1 | 2274 | set_current_program_space (pspace); |
76af0f26 PA |
2275 | |
2276 | /* Don't skip to the first line of the function if we | |
2277 | had found an ifunc minimal symbol for this function, | |
2278 | because that means that this function is an ifunc | |
2279 | resolver with the same name as the ifunc itself. */ | |
2280 | bool found_ifunc = false; | |
2281 | ||
2282 | if (state->funfirstline | |
2283 | && ls->minimal_symbols != NULL | |
2284 | && SYMBOL_CLASS (sym) == LOC_BLOCK) | |
2285 | { | |
2286 | const CORE_ADDR addr | |
2b1ffcfd | 2287 | = BLOCK_ENTRY_PC (SYMBOL_BLOCK_VALUE (sym)); |
76af0f26 | 2288 | |
c2a031c5 | 2289 | for (const auto &elem : *ls->minimal_symbols) |
76af0f26 | 2290 | { |
c2a031c5 KS |
2291 | if (MSYMBOL_TYPE (elem.minsym) == mst_text_gnu_ifunc |
2292 | || MSYMBOL_TYPE (elem.minsym) == mst_data_gnu_ifunc) | |
76af0f26 | 2293 | { |
c2a031c5 KS |
2294 | CORE_ADDR msym_addr = BMSYMBOL_VALUE_ADDRESS (elem); |
2295 | if (MSYMBOL_TYPE (elem.minsym) == mst_data_gnu_ifunc) | |
f50776aa PA |
2296 | { |
2297 | struct gdbarch *gdbarch | |
c2a031c5 | 2298 | = get_objfile_arch (elem.objfile); |
f50776aa PA |
2299 | msym_addr |
2300 | = (gdbarch_convert_from_func_ptr_addr | |
2301 | (gdbarch, | |
2302 | msym_addr, | |
8b88a78e | 2303 | current_top_target ())); |
f50776aa PA |
2304 | } |
2305 | ||
2306 | if (msym_addr == addr) | |
2307 | { | |
2308 | found_ifunc = true; | |
2309 | break; | |
2310 | } | |
76af0f26 PA |
2311 | } |
2312 | } | |
2313 | } | |
2314 | ||
2315 | if (!found_ifunc) | |
2316 | { | |
2317 | symtab_and_line sal; | |
2318 | if (symbol_to_sal (&sal, state->funfirstline, sym) | |
2319 | && maybe_add_address (state->addr_set, pspace, sal.pc)) | |
2320 | add_sal_to_sals (state, &sals, &sal, | |
2321 | SYMBOL_NATURAL_NAME (sym), 0); | |
2322 | } | |
40e084e1 KS |
2323 | } |
2324 | } | |
2325 | ||
2326 | if (ls->minimal_symbols != NULL) | |
2327 | { | |
76af0f26 | 2328 | /* Sort minimal symbols by program space, too */ |
c2a031c5 KS |
2329 | std::sort (ls->minimal_symbols->begin (), |
2330 | ls->minimal_symbols->end (), | |
2331 | compare_msymbols); | |
40e084e1 | 2332 | |
c2a031c5 | 2333 | for (const auto &elem : *ls->minimal_symbols) |
40e084e1 | 2334 | { |
c2a031c5 | 2335 | program_space *pspace = elem.objfile->pspace; |
40e084e1 | 2336 | set_current_program_space (pspace); |
c2a031c5 | 2337 | minsym_found (state, elem.objfile, elem.minsym, &sals); |
40e084e1 KS |
2338 | } |
2339 | } | |
2340 | } | |
67994074 | 2341 | else if (ls->explicit_loc.line_offset.sign != LINE_OFFSET_UNKNOWN) |
40e084e1 KS |
2342 | { |
2343 | /* Only an offset was specified. */ | |
2344 | sals = create_sals_line_offset (state, ls); | |
2345 | ||
2346 | /* Make sure we have a filename for canonicalization. */ | |
67994074 | 2347 | if (ls->explicit_loc.source_filename == NULL) |
05cba821 JK |
2348 | { |
2349 | const char *fullname = symtab_to_fullname (state->default_symtab); | |
2350 | ||
e93ba630 JK |
2351 | /* It may be more appropriate to keep DEFAULT_SYMTAB in its symtab |
2352 | form so that displaying SOURCE_FILENAME can follow the current | |
2353 | FILENAME_DISPLAY_STRING setting. But as it is used only rarely | |
2354 | it has been kept for code simplicity only in absolute form. */ | |
67994074 | 2355 | ls->explicit_loc.source_filename = xstrdup (fullname); |
05cba821 | 2356 | } |
40e084e1 KS |
2357 | } |
2358 | else | |
2359 | { | |
2360 | /* We haven't found any results... */ | |
2361 | return sals; | |
2362 | } | |
2363 | ||
2364 | canonicalize_linespec (state, ls); | |
2365 | ||
6c5b2ebe | 2366 | if (!sals.empty () && state->canonical != NULL) |
40e084e1 KS |
2367 | state->canonical->pre_expanded = 1; |
2368 | ||
2369 | return sals; | |
2370 | } | |
50641945 | 2371 | |
a2459270 PA |
2372 | /* Build RESULT from the explicit location components SOURCE_FILENAME, |
2373 | FUNCTION_NAME, LABEL_NAME and LINE_OFFSET. */ | |
00e52e53 | 2374 | |
a2459270 PA |
2375 | static void |
2376 | convert_explicit_location_to_linespec (struct linespec_state *self, | |
2377 | linespec_p result, | |
2378 | const char *source_filename, | |
2379 | const char *function_name, | |
a20714ff | 2380 | symbol_name_match_type fname_match_type, |
a2459270 PA |
2381 | const char *label_name, |
2382 | struct line_offset line_offset) | |
00e52e53 | 2383 | { |
7243d011 | 2384 | std::vector<symbol *> symbols; |
3553eadc | 2385 | std::vector<symbol *> *labels; |
c2a031c5 | 2386 | std::vector<bound_minimal_symbol> minimal_symbols; |
00e52e53 | 2387 | |
a20714ff PA |
2388 | result->explicit_loc.func_name_match_type = fname_match_type; |
2389 | ||
a2459270 | 2390 | if (source_filename != NULL) |
00e52e53 KS |
2391 | { |
2392 | TRY | |
2393 | { | |
2394 | result->file_symtabs | |
2a908241 KS |
2395 | = symtabs_from_filename (source_filename, |
2396 | self->search_pspace).release (); | |
00e52e53 KS |
2397 | } |
2398 | CATCH (except, RETURN_MASK_ERROR) | |
2399 | { | |
a2459270 | 2400 | source_file_not_found_error (source_filename); |
00e52e53 KS |
2401 | } |
2402 | END_CATCH | |
a2459270 | 2403 | result->explicit_loc.source_filename = xstrdup (source_filename); |
00e52e53 KS |
2404 | } |
2405 | else | |
2406 | { | |
2407 | /* A NULL entry means to use the default symtab. */ | |
2a908241 | 2408 | result->file_symtabs->push_back (nullptr); |
00e52e53 KS |
2409 | } |
2410 | ||
a2459270 | 2411 | if (function_name != NULL) |
00e52e53 KS |
2412 | { |
2413 | find_linespec_symbols (self, result->file_symtabs, | |
a20714ff PA |
2414 | function_name, fname_match_type, |
2415 | &symbols, &minimal_symbols); | |
00e52e53 | 2416 | |
c2a031c5 | 2417 | if (symbols.empty () && minimal_symbols.empty ()) |
a2459270 | 2418 | symbol_not_found_error (function_name, |
67994074 | 2419 | result->explicit_loc.source_filename); |
00e52e53 | 2420 | |
a2459270 | 2421 | result->explicit_loc.function_name = xstrdup (function_name); |
7243d011 KS |
2422 | result->function_symbols |
2423 | = new std::vector<symbol *> (std::move (symbols)); | |
c2a031c5 KS |
2424 | result->minimal_symbols |
2425 | = new std::vector<bound_minimal_symbol> (std::move (minimal_symbols)); | |
00e52e53 KS |
2426 | } |
2427 | ||
a2459270 | 2428 | if (label_name != NULL) |
00e52e53 | 2429 | { |
00e52e53 | 2430 | labels = find_label_symbols (self, result->function_symbols, |
a2459270 | 2431 | &symbols, label_name); |
00e52e53 KS |
2432 | |
2433 | if (labels == NULL) | |
67994074 | 2434 | undefined_label_error (result->explicit_loc.function_name, |
a2459270 | 2435 | label_name); |
00e52e53 | 2436 | |
a2459270 | 2437 | result->explicit_loc.label_name = xstrdup (label_name); |
00e52e53 | 2438 | result->labels.label_symbols = labels; |
7243d011 KS |
2439 | result->labels.function_symbols |
2440 | = new std::vector<symbol *> (std::move (symbols)); | |
00e52e53 KS |
2441 | } |
2442 | ||
a2459270 PA |
2443 | if (line_offset.sign != LINE_OFFSET_UNKNOWN) |
2444 | result->explicit_loc.line_offset = line_offset; | |
2445 | } | |
00e52e53 | 2446 | |
a2459270 PA |
2447 | /* Convert the explicit location EXPLICIT_LOC into SaLs. */ |
2448 | ||
6c5b2ebe | 2449 | static std::vector<symtab_and_line> |
a2459270 PA |
2450 | convert_explicit_location_to_sals (struct linespec_state *self, |
2451 | linespec_p result, | |
2452 | const struct explicit_location *explicit_loc) | |
2453 | { | |
2454 | convert_explicit_location_to_linespec (self, result, | |
2455 | explicit_loc->source_filename, | |
2456 | explicit_loc->function_name, | |
a20714ff | 2457 | explicit_loc->func_name_match_type, |
a2459270 PA |
2458 | explicit_loc->label_name, |
2459 | explicit_loc->line_offset); | |
2460 | return convert_linespec_to_sals (self, result); | |
00e52e53 KS |
2461 | } |
2462 | ||
40e084e1 | 2463 | /* Parse a string that specifies a linespec. |
50641945 | 2464 | |
40e084e1 | 2465 | The basic grammar of linespecs: |
50641945 | 2466 | |
a06efdd6 | 2467 | linespec -> var_spec | basic_spec |
40e084e1 | 2468 | var_spec -> '$' (STRING | NUMBER) |
50641945 | 2469 | |
40e084e1 KS |
2470 | basic_spec -> file_offset_spec | function_spec | label_spec |
2471 | file_offset_spec -> opt_file_spec offset_spec | |
2472 | function_spec -> opt_file_spec function_name_spec opt_label_spec | |
2473 | label_spec -> label_name_spec | |
50641945 | 2474 | |
40e084e1 KS |
2475 | opt_file_spec -> "" | file_name_spec ':' |
2476 | opt_label_spec -> "" | ':' label_name_spec | |
2477 | ||
2478 | file_name_spec -> STRING | |
2479 | function_name_spec -> STRING | |
2480 | label_name_spec -> STRING | |
2481 | function_name_spec -> STRING | |
2482 | offset_spec -> NUMBER | |
2483 | -> '+' NUMBER | |
2484 | -> '-' NUMBER | |
2485 | ||
2486 | This may all be followed by several keywords such as "if EXPR", | |
2487 | which we ignore. | |
2488 | ||
2489 | A comma will terminate parsing. | |
2490 | ||
2491 | The function may be an undebuggable function found in minimal symbol table. | |
50641945 FN |
2492 | |
2493 | If the argument FUNFIRSTLINE is nonzero, we want the first line | |
2494 | of real code inside a function when a function is specified, and it is | |
2495 | not OK to specify a variable or type to get its line number. | |
2496 | ||
2497 | DEFAULT_SYMTAB specifies the file to use if none is specified. | |
2498 | It defaults to current_source_symtab. | |
2499 | DEFAULT_LINE specifies the line number to use for relative | |
2500 | line numbers (that start with signs). Defaults to current_source_line. | |
2501 | If CANONICAL is non-NULL, store an array of strings containing the canonical | |
1777feb0 | 2502 | line specs there if necessary. Currently overloaded member functions and |
50641945 | 2503 | line numbers or static functions without a filename yield a canonical |
1777feb0 | 2504 | line spec. The array and the line spec strings are allocated on the heap, |
50641945 FN |
2505 | it is the callers responsibility to free them. |
2506 | ||
2507 | Note that it is possible to return zero for the symtab | |
2508 | if no file is validly specified. Callers must check that. | |
58438ac1 | 2509 | Also, the line number returned may be invalid. */ |
50641945 | 2510 | |
a20714ff PA |
2511 | /* Parse the linespec in ARG. MATCH_TYPE indicates how function names |
2512 | should be matched. */ | |
50641945 | 2513 | |
6c5b2ebe | 2514 | static std::vector<symtab_and_line> |
a20714ff PA |
2515 | parse_linespec (linespec_parser *parser, const char *arg, |
2516 | symbol_name_match_type match_type) | |
50641945 | 2517 | { |
40e084e1 | 2518 | linespec_token token; |
7556d4a4 | 2519 | struct gdb_exception file_exception = exception_none; |
40e084e1 KS |
2520 | |
2521 | /* A special case to start. It has become quite popular for | |
2522 | IDEs to work around bugs in the previous parser by quoting | |
2523 | the entire linespec, so we attempt to deal with this nicely. */ | |
2524 | parser->is_quote_enclosed = 0; | |
c45ec17c PA |
2525 | if (parser->completion_tracker == NULL |
2526 | && !is_ada_operator (arg) | |
f00aae0f | 2527 | && strchr (linespec_quote_characters, *arg) != NULL) |
40e084e1 KS |
2528 | { |
2529 | const char *end; | |
9ef07c8c | 2530 | |
f00aae0f | 2531 | end = skip_quote_char (arg + 1, *arg); |
40e084e1 | 2532 | if (end != NULL && is_closing_quote_enclosed (end)) |
136e1c30 | 2533 | { |
f00aae0f | 2534 | /* Here's the special case. Skip ARG past the initial |
40e084e1 | 2535 | quote. */ |
f00aae0f | 2536 | ++arg; |
40e084e1 | 2537 | parser->is_quote_enclosed = 1; |
136e1c30 DE |
2538 | } |
2539 | } | |
e8eb7bc5 | 2540 | |
f00aae0f KS |
2541 | parser->lexer.saved_arg = arg; |
2542 | parser->lexer.stream = arg; | |
c45ec17c PA |
2543 | parser->completion_word = arg; |
2544 | parser->complete_what = linespec_complete_what::FUNCTION; | |
a20714ff | 2545 | PARSER_EXPLICIT (parser)->func_name_match_type = match_type; |
d2630e69 | 2546 | |
40e084e1 KS |
2547 | /* Initialize the default symtab and line offset. */ |
2548 | initialize_defaults (&PARSER_STATE (parser)->default_symtab, | |
2549 | &PARSER_STATE (parser)->default_line); | |
d2630e69 | 2550 | |
40e084e1 | 2551 | /* Objective-C shortcut. */ |
c45ec17c PA |
2552 | if (parser->completion_tracker == NULL) |
2553 | { | |
6c5b2ebe PA |
2554 | std::vector<symtab_and_line> values |
2555 | = decode_objc (PARSER_STATE (parser), PARSER_RESULT (parser), arg); | |
2556 | if (!values.empty ()) | |
c45ec17c PA |
2557 | return values; |
2558 | } | |
2559 | else | |
2560 | { | |
2561 | /* "-"/"+" is either an objc selector, or a number. There's | |
2562 | nothing to complete the latter to, so just let the caller | |
2563 | complete on functions, which finds objc selectors, if there's | |
2564 | any. */ | |
2565 | if ((arg[0] == '-' || arg[0] == '+') && arg[1] == '\0') | |
2566 | return {}; | |
2567 | } | |
e0881a8e | 2568 | |
40e084e1 | 2569 | /* Start parsing. */ |
d2630e69 | 2570 | |
40e084e1 | 2571 | /* Get the first token. */ |
c45ec17c | 2572 | token = linespec_lexer_consume_token (parser); |
50641945 | 2573 | |
40e084e1 | 2574 | /* It must be either LSTOKEN_STRING or LSTOKEN_NUMBER. */ |
a06efdd6 | 2575 | if (token.type == LSTOKEN_STRING && *LS_TOKEN_STOKEN (token).ptr == '$') |
40e084e1 | 2576 | { |
40e084e1 | 2577 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
c45ec17c | 2578 | if (parser->completion_tracker == NULL) |
2a908241 | 2579 | PARSER_RESULT (parser)->file_symtabs->push_back (nullptr); |
dcf9f4ab | 2580 | |
40e084e1 | 2581 | /* User specified a convenience variable or history value. */ |
a5b5adf5 | 2582 | gdb::unique_xmalloc_ptr<char> var = copy_token_string (token); |
00e52e53 | 2583 | PARSER_EXPLICIT (parser)->line_offset |
a5b5adf5 | 2584 | = linespec_parse_variable (PARSER_STATE (parser), var.get ()); |
f8eba3c6 | 2585 | |
40e084e1 KS |
2586 | /* If a line_offset wasn't found (VAR is the name of a user |
2587 | variable/function), then skip to normal symbol processing. */ | |
00e52e53 | 2588 | if (PARSER_EXPLICIT (parser)->line_offset.sign != LINE_OFFSET_UNKNOWN) |
40e084e1 | 2589 | { |
40e084e1 KS |
2590 | /* Consume this token. */ |
2591 | linespec_lexer_consume_token (parser); | |
dcf9f4ab | 2592 | |
40e084e1 | 2593 | goto convert_to_sals; |
50641945 | 2594 | } |
40e084e1 | 2595 | } |
c45ec17c PA |
2596 | else if (token.type == LSTOKEN_EOI && parser->completion_tracker != NULL) |
2597 | { | |
2598 | /* Let the default linespec_complete_what::FUNCTION kick in. */ | |
2599 | unexpected_linespec_error (parser); | |
2600 | } | |
40e084e1 | 2601 | else if (token.type != LSTOKEN_STRING && token.type != LSTOKEN_NUMBER) |
c45ec17c PA |
2602 | { |
2603 | parser->complete_what = linespec_complete_what::NOTHING; | |
2604 | unexpected_linespec_error (parser); | |
2605 | } | |
50641945 | 2606 | |
40e084e1 KS |
2607 | /* Shortcut: If the next token is not LSTOKEN_COLON, we know that |
2608 | this token cannot represent a filename. */ | |
2609 | token = linespec_lexer_peek_token (parser); | |
0e0b460e | 2610 | |
40e084e1 | 2611 | if (token.type == LSTOKEN_COLON) |
0e0b460e | 2612 | { |
40e084e1 KS |
2613 | /* Get the current token again and extract the filename. */ |
2614 | token = linespec_lexer_lex_one (parser); | |
a5b5adf5 | 2615 | gdb::unique_xmalloc_ptr<char> user_filename = copy_token_string (token); |
50641945 | 2616 | |
40e084e1 | 2617 | /* Check if the input is a filename. */ |
492d29ea | 2618 | TRY |
40e084e1 | 2619 | { |
2a908241 | 2620 | symtab_vector_up r |
a5b5adf5 | 2621 | = symtabs_from_filename (user_filename.get (), |
c2f4122d | 2622 | PARSER_STATE (parser)->search_pspace); |
2a908241 | 2623 | PARSER_RESULT (parser)->file_symtabs = r.release (); |
40e084e1 | 2624 | } |
492d29ea | 2625 | CATCH (ex, RETURN_MASK_ERROR) |
7556d4a4 PA |
2626 | { |
2627 | file_exception = ex; | |
2628 | } | |
492d29ea | 2629 | END_CATCH |
50641945 | 2630 | |
40e084e1 KS |
2631 | if (file_exception.reason >= 0) |
2632 | { | |
2633 | /* Symtabs were found for the file. Record the filename. */ | |
a5b5adf5 | 2634 | PARSER_EXPLICIT (parser)->source_filename = user_filename.release (); |
f8eba3c6 | 2635 | |
40e084e1 KS |
2636 | /* Get the next token. */ |
2637 | token = linespec_lexer_consume_token (parser); | |
50641945 | 2638 | |
40e084e1 KS |
2639 | /* This is LSTOKEN_COLON; consume it. */ |
2640 | linespec_lexer_consume_token (parser); | |
2641 | } | |
2642 | else | |
2643 | { | |
40e084e1 | 2644 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
2a908241 | 2645 | PARSER_RESULT (parser)->file_symtabs->push_back (nullptr); |
40e084e1 | 2646 | } |
50641945 | 2647 | } |
40e084e1 | 2648 | /* If the next token is not EOI, KEYWORD, or COMMA, issue an error. */ |
c45ec17c PA |
2649 | else if (parser->completion_tracker == NULL |
2650 | && (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD | |
2651 | && token.type != LSTOKEN_COMMA)) | |
d2630e69 | 2652 | { |
40e084e1 KS |
2653 | /* TOKEN is the _next_ token, not the one currently in the parser. |
2654 | Consuming the token will give the correct error message. */ | |
2655 | linespec_lexer_consume_token (parser); | |
2656 | unexpected_linespec_error (parser); | |
d2630e69 | 2657 | } |
50641945 FN |
2658 | else |
2659 | { | |
40e084e1 | 2660 | /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */ |
2a908241 | 2661 | PARSER_RESULT (parser)->file_symtabs->push_back (nullptr); |
50641945 | 2662 | } |
50641945 | 2663 | |
40e084e1 KS |
2664 | /* Parse the rest of the linespec. */ |
2665 | linespec_parse_basic (parser); | |
50641945 | 2666 | |
c45ec17c PA |
2667 | if (parser->completion_tracker == NULL |
2668 | && PARSER_RESULT (parser)->function_symbols == NULL | |
40e084e1 | 2669 | && PARSER_RESULT (parser)->labels.label_symbols == NULL |
00e52e53 | 2670 | && PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN |
40e084e1 | 2671 | && PARSER_RESULT (parser)->minimal_symbols == NULL) |
f8eba3c6 | 2672 | { |
40e084e1 KS |
2673 | /* The linespec didn't parse. Re-throw the file exception if |
2674 | there was one. */ | |
2675 | if (file_exception.reason < 0) | |
2676 | throw_exception (file_exception); | |
0f5238ed | 2677 | |
40e084e1 | 2678 | /* Otherwise, the symbol is not found. */ |
00e52e53 KS |
2679 | symbol_not_found_error (PARSER_EXPLICIT (parser)->function_name, |
2680 | PARSER_EXPLICIT (parser)->source_filename); | |
0f5238ed TT |
2681 | } |
2682 | ||
40e084e1 | 2683 | convert_to_sals: |
9ef07c8c | 2684 | |
40e084e1 KS |
2685 | /* Get the last token and record how much of the input was parsed, |
2686 | if necessary. */ | |
2687 | token = linespec_lexer_lex_one (parser); | |
2688 | if (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD) | |
c45ec17c PA |
2689 | unexpected_linespec_error (parser); |
2690 | else if (token.type == LSTOKEN_KEYWORD) | |
2691 | { | |
2692 | /* Setup the completion word past the keyword. Lexing never | |
2693 | advances past a keyword automatically, so skip it | |
2694 | manually. */ | |
2695 | parser->completion_word | |
f1735a53 | 2696 | = skip_spaces (skip_to_space (PARSER_STREAM (parser))); |
c45ec17c PA |
2697 | parser->complete_what = linespec_complete_what::EXPRESSION; |
2698 | } | |
50641945 | 2699 | |
40e084e1 | 2700 | /* Convert the data in PARSER_RESULT to SALs. */ |
c45ec17c | 2701 | if (parser->completion_tracker == NULL) |
6c5b2ebe PA |
2702 | return convert_linespec_to_sals (PARSER_STATE (parser), |
2703 | PARSER_RESULT (parser)); | |
f8eba3c6 | 2704 | |
6c5b2ebe | 2705 | return {}; |
413dad4d | 2706 | } |
50641945 | 2707 | |
40e084e1 | 2708 | |
f8eba3c6 | 2709 | /* A constructor for linespec_state. */ |
44fe14ab | 2710 | |
f8eba3c6 TT |
2711 | static void |
2712 | linespec_state_constructor (struct linespec_state *self, | |
40e084e1 | 2713 | int flags, const struct language_defn *language, |
c2f4122d | 2714 | struct program_space *search_pspace, |
f8eba3c6 TT |
2715 | struct symtab *default_symtab, |
2716 | int default_line, | |
2717 | struct linespec_result *canonical) | |
2718 | { | |
2719 | memset (self, 0, sizeof (*self)); | |
40e084e1 | 2720 | self->language = language; |
f8eba3c6 TT |
2721 | self->funfirstline = (flags & DECODE_LINE_FUNFIRSTLINE) ? 1 : 0; |
2722 | self->list_mode = (flags & DECODE_LINE_LIST_MODE) ? 1 : 0; | |
c2f4122d | 2723 | self->search_pspace = search_pspace; |
f8eba3c6 TT |
2724 | self->default_symtab = default_symtab; |
2725 | self->default_line = default_line; | |
2726 | self->canonical = canonical; | |
2727 | self->program_space = current_program_space; | |
2728 | self->addr_set = htab_create_alloc (10, hash_address_entry, eq_address_entry, | |
2729 | xfree, xcalloc, xfree); | |
00e52e53 | 2730 | self->is_linespec = 0; |
f8eba3c6 | 2731 | } |
44fe14ab | 2732 | |
40e084e1 | 2733 | /* Initialize a new linespec parser. */ |
44fe14ab DC |
2734 | |
2735 | static void | |
40e084e1 KS |
2736 | linespec_parser_new (linespec_parser *parser, |
2737 | int flags, const struct language_defn *language, | |
c2f4122d | 2738 | struct program_space *search_pspace, |
40e084e1 KS |
2739 | struct symtab *default_symtab, |
2740 | int default_line, | |
2741 | struct linespec_result *canonical) | |
44fe14ab | 2742 | { |
f00aae0f | 2743 | memset (parser, 0, sizeof (linespec_parser)); |
40e084e1 KS |
2744 | parser->lexer.current.type = LSTOKEN_CONSUMED; |
2745 | memset (PARSER_RESULT (parser), 0, sizeof (struct linespec)); | |
2a908241 | 2746 | PARSER_RESULT (parser)->file_symtabs = new std::vector<symtab *> (); |
a20714ff PA |
2747 | PARSER_EXPLICIT (parser)->func_name_match_type |
2748 | = symbol_name_match_type::WILD; | |
00e52e53 | 2749 | PARSER_EXPLICIT (parser)->line_offset.sign = LINE_OFFSET_UNKNOWN; |
40e084e1 | 2750 | linespec_state_constructor (PARSER_STATE (parser), flags, language, |
c2f4122d | 2751 | search_pspace, |
40e084e1 KS |
2752 | default_symtab, default_line, canonical); |
2753 | } | |
2754 | ||
2755 | /* A destructor for linespec_state. */ | |
44fe14ab | 2756 | |
40e084e1 KS |
2757 | static void |
2758 | linespec_state_destructor (struct linespec_state *self) | |
2759 | { | |
f8eba3c6 TT |
2760 | htab_delete (self->addr_set); |
2761 | } | |
44fe14ab | 2762 | |
40e084e1 KS |
2763 | /* Delete a linespec parser. */ |
2764 | ||
2765 | static void | |
2766 | linespec_parser_delete (void *arg) | |
2767 | { | |
2768 | linespec_parser *parser = (linespec_parser *) arg; | |
2769 | ||
00e52e53 KS |
2770 | xfree (PARSER_EXPLICIT (parser)->source_filename); |
2771 | xfree (PARSER_EXPLICIT (parser)->label_name); | |
2772 | xfree (PARSER_EXPLICIT (parser)->function_name); | |
40e084e1 | 2773 | |
2a908241 | 2774 | delete PARSER_RESULT (parser)->file_symtabs; |
7243d011 | 2775 | delete PARSER_RESULT (parser)->function_symbols; |
c2a031c5 | 2776 | delete PARSER_RESULT (parser)->minimal_symbols; |
3553eadc | 2777 | delete PARSER_RESULT (parser)->labels.label_symbols; |
7243d011 | 2778 | delete PARSER_RESULT (parser)->labels.function_symbols; |
40e084e1 KS |
2779 | |
2780 | linespec_state_destructor (PARSER_STATE (parser)); | |
2781 | } | |
2782 | ||
c7c1b3e9 KS |
2783 | /* See description in linespec.h. */ |
2784 | ||
2785 | void | |
f2fc3015 | 2786 | linespec_lex_to_end (const char **stringp) |
c7c1b3e9 KS |
2787 | { |
2788 | linespec_parser parser; | |
2789 | struct cleanup *cleanup; | |
2790 | linespec_token token; | |
c7c1b3e9 KS |
2791 | const char *orig; |
2792 | ||
2793 | if (stringp == NULL || *stringp == NULL) | |
2794 | return; | |
2795 | ||
c2f4122d | 2796 | linespec_parser_new (&parser, 0, current_language, NULL, NULL, 0, NULL); |
c7c1b3e9 KS |
2797 | cleanup = make_cleanup (linespec_parser_delete, &parser); |
2798 | parser.lexer.saved_arg = *stringp; | |
2799 | PARSER_STREAM (&parser) = orig = *stringp; | |
2800 | ||
2801 | do | |
2802 | { | |
2803 | /* Stop before any comma tokens; we need it to keep it | |
2804 | as the next token in the string. */ | |
2805 | token = linespec_lexer_peek_token (&parser); | |
2806 | if (token.type == LSTOKEN_COMMA) | |
2807 | break; | |
c7c1b3e9 KS |
2808 | token = linespec_lexer_consume_token (&parser); |
2809 | } | |
2810 | while (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD); | |
2811 | ||
2812 | *stringp += PARSER_STREAM (&parser) - orig; | |
2813 | do_cleanups (cleanup); | |
2814 | } | |
2815 | ||
c6756f62 PA |
2816 | /* See linespec.h. */ |
2817 | ||
2818 | void | |
2819 | linespec_complete_function (completion_tracker &tracker, | |
2820 | const char *function, | |
a20714ff | 2821 | symbol_name_match_type func_match_type, |
c6756f62 PA |
2822 | const char *source_filename) |
2823 | { | |
2824 | complete_symbol_mode mode = complete_symbol_mode::LINESPEC; | |
2825 | ||
2826 | if (source_filename != NULL) | |
2827 | { | |
b5ec771e PA |
2828 | collect_file_symbol_completion_matches (tracker, mode, func_match_type, |
2829 | function, function, source_filename); | |
c6756f62 PA |
2830 | } |
2831 | else | |
b5ec771e PA |
2832 | { |
2833 | collect_symbol_completion_matches (tracker, mode, func_match_type, | |
2834 | function, function); | |
2835 | ||
2836 | } | |
c6756f62 PA |
2837 | } |
2838 | ||
c45ec17c PA |
2839 | /* Helper for complete_linespec to simplify it. SOURCE_FILENAME is |
2840 | only meaningful if COMPONENT is FUNCTION. */ | |
2841 | ||
2842 | static void | |
2843 | complete_linespec_component (linespec_parser *parser, | |
2844 | completion_tracker &tracker, | |
2845 | const char *text, | |
2846 | linespec_complete_what component, | |
2847 | const char *source_filename) | |
2848 | { | |
2849 | if (component == linespec_complete_what::KEYWORD) | |
2850 | { | |
2851 | complete_on_enum (tracker, linespec_keywords, text, text); | |
2852 | } | |
2853 | else if (component == linespec_complete_what::EXPRESSION) | |
2854 | { | |
2855 | const char *word | |
2856 | = advance_to_expression_complete_word_point (tracker, text); | |
2857 | complete_expression (tracker, text, word); | |
2858 | } | |
2859 | else if (component == linespec_complete_what::FUNCTION) | |
2860 | { | |
2861 | completion_list fn_list; | |
2862 | ||
a20714ff PA |
2863 | symbol_name_match_type match_type |
2864 | = PARSER_EXPLICIT (parser)->func_name_match_type; | |
2865 | linespec_complete_function (tracker, text, match_type, source_filename); | |
c45ec17c PA |
2866 | if (source_filename == NULL) |
2867 | { | |
2868 | /* Haven't seen a source component, like in "b | |
2869 | file.c:function[TAB]". Maybe this wasn't a function, but | |
2870 | a filename instead, like "b file.[TAB]". */ | |
2871 | fn_list = complete_source_filenames (text); | |
2872 | } | |
2873 | ||
2874 | /* If we only have a single filename completion, append a ':' for | |
2875 | the user, since that's the only thing that can usefully follow | |
2876 | the filename. */ | |
2877 | if (fn_list.size () == 1 && !tracker.have_completions ()) | |
2878 | { | |
2879 | char *fn = fn_list[0].release (); | |
2880 | ||
2881 | /* If we also need to append a quote char, it needs to be | |
2882 | appended before the ':'. Append it now, and make ':' the | |
2883 | new "quote" char. */ | |
2884 | if (tracker.quote_char ()) | |
2885 | { | |
896a7aa6 | 2886 | char quote_char_str[2] = { (char) tracker.quote_char () }; |
c45ec17c PA |
2887 | |
2888 | fn = reconcat (fn, fn, quote_char_str, (char *) NULL); | |
2889 | tracker.set_quote_char (':'); | |
2890 | } | |
2891 | else | |
2892 | fn = reconcat (fn, fn, ":", (char *) NULL); | |
2893 | fn_list[0].reset (fn); | |
2894 | ||
2895 | /* Tell readline to skip appending a space. */ | |
2896 | tracker.set_suppress_append_ws (true); | |
2897 | } | |
2898 | tracker.add_completions (std::move (fn_list)); | |
2899 | } | |
2900 | } | |
2901 | ||
a2459270 PA |
2902 | /* Helper for linespec_complete_label. Find labels that match |
2903 | LABEL_NAME in the function symbols listed in the PARSER, and add | |
2904 | them to the tracker. */ | |
2905 | ||
2906 | static void | |
2907 | complete_label (completion_tracker &tracker, | |
2908 | linespec_parser *parser, | |
2909 | const char *label_name) | |
2910 | { | |
7243d011 | 2911 | std::vector<symbol *> label_function_symbols; |
3553eadc | 2912 | std::vector<symbol *> *labels |
a2459270 PA |
2913 | = find_label_symbols (PARSER_STATE (parser), |
2914 | PARSER_RESULT (parser)->function_symbols, | |
2915 | &label_function_symbols, | |
2916 | label_name, true); | |
2917 | ||
3553eadc | 2918 | if (labels != nullptr) |
a2459270 | 2919 | { |
3553eadc KS |
2920 | for (const auto &label : *labels) |
2921 | { | |
2922 | char *match = xstrdup (SYMBOL_SEARCH_NAME (label)); | |
2923 | tracker.add_completion (gdb::unique_xmalloc_ptr<char> (match)); | |
2924 | } | |
2925 | delete labels; | |
a2459270 | 2926 | } |
a2459270 PA |
2927 | } |
2928 | ||
2929 | /* See linespec.h. */ | |
2930 | ||
2931 | void | |
2932 | linespec_complete_label (completion_tracker &tracker, | |
2933 | const struct language_defn *language, | |
2934 | const char *source_filename, | |
2935 | const char *function_name, | |
a20714ff | 2936 | symbol_name_match_type func_name_match_type, |
a2459270 PA |
2937 | const char *label_name) |
2938 | { | |
2939 | linespec_parser parser; | |
2940 | struct cleanup *cleanup; | |
2941 | ||
2942 | linespec_parser_new (&parser, 0, language, NULL, NULL, 0, NULL); | |
2943 | cleanup = make_cleanup (linespec_parser_delete, &parser); | |
2944 | ||
2945 | line_offset unknown_offset = { 0, LINE_OFFSET_UNKNOWN }; | |
2946 | ||
2947 | TRY | |
2948 | { | |
2949 | convert_explicit_location_to_linespec (PARSER_STATE (&parser), | |
2950 | PARSER_RESULT (&parser), | |
2951 | source_filename, | |
2952 | function_name, | |
a20714ff | 2953 | func_name_match_type, |
a2459270 PA |
2954 | NULL, unknown_offset); |
2955 | } | |
2956 | CATCH (ex, RETURN_MASK_ERROR) | |
2957 | { | |
2958 | do_cleanups (cleanup); | |
2959 | return; | |
2960 | } | |
2961 | END_CATCH | |
2962 | ||
2963 | complete_label (tracker, &parser, label_name); | |
2964 | ||
2965 | do_cleanups (cleanup); | |
2966 | } | |
2967 | ||
c45ec17c PA |
2968 | /* See description in linespec.h. */ |
2969 | ||
2970 | void | |
a20714ff PA |
2971 | linespec_complete (completion_tracker &tracker, const char *text, |
2972 | symbol_name_match_type match_type) | |
c45ec17c PA |
2973 | { |
2974 | linespec_parser parser; | |
2975 | struct cleanup *cleanup; | |
2976 | const char *orig = text; | |
2977 | ||
2978 | linespec_parser_new (&parser, 0, current_language, NULL, NULL, 0, NULL); | |
2979 | cleanup = make_cleanup (linespec_parser_delete, &parser); | |
2980 | parser.lexer.saved_arg = text; | |
a20714ff | 2981 | PARSER_EXPLICIT (&parser)->func_name_match_type = match_type; |
c45ec17c PA |
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 | { | |
a20714ff | 2991 | parse_linespec (&parser, text, match_type); |
c45ec17c PA |
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 | ||
7243d011 | 3035 | std::vector<symbol *> function_symbols; |
c2a031c5 | 3036 | std::vector<bound_minimal_symbol> minimal_symbols; |
c45ec17c PA |
3037 | find_linespec_symbols (PARSER_STATE (&parser), |
3038 | PARSER_RESULT (&parser)->file_symtabs, | |
a20714ff | 3039 | func_name, match_type, |
c45ec17c PA |
3040 | &function_symbols, &minimal_symbols); |
3041 | ||
7243d011 KS |
3042 | PARSER_RESULT (&parser)->function_symbols |
3043 | = new std::vector<symbol *> (std::move (function_symbols)); | |
c2a031c5 KS |
3044 | PARSER_RESULT (&parser)->minimal_symbols |
3045 | = new std::vector<bound_minimal_symbol> (std::move (minimal_symbols)); | |
c45ec17c PA |
3046 | |
3047 | complete_label (tracker, &parser, parser.completion_word); | |
3048 | } | |
3049 | else if (parser.complete_what == linespec_complete_what::FUNCTION) | |
3050 | { | |
3051 | /* While parsing/lexing, we didn't know whether the completion | |
3052 | word completes to a unique function/source name already or | |
3053 | not. | |
3054 | ||
3055 | E.g.: | |
3056 | "b function() <tab>" | |
3057 | may need to complete either to: | |
3058 | "b function() const" | |
3059 | or to: | |
3060 | "b function() if/thread/task" | |
3061 | ||
3062 | Or, this: | |
3063 | "b foo t" | |
3064 | may need to complete either to: | |
3065 | "b foo template_fun<T>()" | |
3066 | with "foo" being the template function's return type, or to: | |
3067 | "b foo thread/task" | |
3068 | ||
3069 | Or, this: | |
3070 | "b file<TAB>" | |
3071 | may need to complete either to a source file name: | |
3072 | "b file.c" | |
3073 | or this, also a filename, but a unique completion: | |
3074 | "b file.c:" | |
3075 | or to a function name: | |
3076 | "b file_function" | |
3077 | ||
3078 | Address that by completing assuming source or function, and | |
3079 | seeing if we find a completion that matches exactly the | |
3080 | completion word. If so, then it must be a function (see note | |
3081 | below) and we advance the completion word to the end of input | |
3082 | and switch to KEYWORD completion mode. | |
3083 | ||
3084 | Note: if we find a unique completion for a source filename, | |
3085 | then it won't match the completion word, because the LCD will | |
3086 | contain a trailing ':'. And if we're completing at or after | |
3087 | the ':', then complete_linespec_component won't try to | |
3088 | complete on source filenames. */ | |
3089 | ||
c45ec17c PA |
3090 | const char *word = parser.completion_word; |
3091 | ||
3092 | complete_linespec_component (&parser, tracker, | |
3093 | parser.completion_word, | |
3094 | linespec_complete_what::FUNCTION, | |
3095 | PARSER_EXPLICIT (&parser)->source_filename); | |
3096 | ||
3097 | parser.complete_what = linespec_complete_what::NOTHING; | |
3098 | ||
3099 | if (tracker.quote_char ()) | |
3100 | { | |
3101 | /* The function/file name was not close-quoted, so this | |
3102 | can't be a keyword. Note: complete_linespec_component | |
3103 | may have swapped the original quote char for ':' when we | |
3104 | get here, but that still indicates the same. */ | |
3105 | } | |
3106 | else if (!tracker.have_completions ()) | |
3107 | { | |
3108 | size_t key_start; | |
3109 | size_t wordlen = strlen (parser.completion_word); | |
3110 | ||
3111 | key_start | |
3112 | = string_find_incomplete_keyword_at_end (linespec_keywords, | |
3113 | parser.completion_word, | |
3114 | wordlen); | |
3115 | ||
3116 | if (key_start != -1 | |
3117 | || (wordlen > 0 | |
3118 | && parser.completion_word[wordlen - 1] == ' ')) | |
3119 | { | |
3120 | parser.completion_word += key_start; | |
3121 | parser.complete_what = linespec_complete_what::KEYWORD; | |
3122 | } | |
3123 | } | |
3124 | else if (tracker.completes_to_completion_word (word)) | |
3125 | { | |
3126 | /* Skip the function and complete on keywords. */ | |
3127 | parser.completion_word += strlen (word); | |
3128 | parser.complete_what = linespec_complete_what::KEYWORD; | |
3129 | tracker.discard_completions (); | |
3130 | } | |
3131 | } | |
3132 | ||
3133 | tracker.advance_custom_word_point_by (parser.completion_word - orig); | |
3134 | ||
3135 | complete_linespec_component (&parser, tracker, | |
3136 | parser.completion_word, | |
3137 | parser.complete_what, | |
3138 | PARSER_EXPLICIT (&parser)->source_filename); | |
3139 | ||
3140 | /* If we're past the "filename:function:label:offset" linespec, and | |
3141 | didn't find any match, then assume the user might want to create | |
3142 | a pending breakpoint anyway and offer the keyword | |
3143 | completions. */ | |
3144 | if (!parser.completion_quote_char | |
3145 | && (parser.complete_what == linespec_complete_what::FUNCTION | |
3146 | || parser.complete_what == linespec_complete_what::LABEL | |
3147 | || parser.complete_what == linespec_complete_what::NOTHING) | |
3148 | && !tracker.have_completions ()) | |
3149 | { | |
3150 | const char *end | |
3151 | = parser.completion_word + strlen (parser.completion_word); | |
3152 | ||
3153 | if (end > orig && end[-1] == ' ') | |
3154 | { | |
3155 | tracker.advance_custom_word_point_by (end - parser.completion_word); | |
3156 | ||
3157 | complete_linespec_component (&parser, tracker, end, | |
3158 | linespec_complete_what::KEYWORD, | |
3159 | NULL); | |
3160 | } | |
3161 | } | |
3162 | ||
3163 | do_cleanups (cleanup); | |
3164 | } | |
3165 | ||
f00aae0f | 3166 | /* A helper function for decode_line_full and decode_line_1 to |
6c5b2ebe | 3167 | turn LOCATION into std::vector<symtab_and_line>. */ |
f00aae0f | 3168 | |
6c5b2ebe | 3169 | static std::vector<symtab_and_line> |
f00aae0f KS |
3170 | event_location_to_sals (linespec_parser *parser, |
3171 | const struct event_location *location) | |
3172 | { | |
6c5b2ebe | 3173 | std::vector<symtab_and_line> result; |
f00aae0f KS |
3174 | |
3175 | switch (event_location_type (location)) | |
3176 | { | |
3177 | case LINESPEC_LOCATION: | |
3178 | { | |
00e52e53 | 3179 | PARSER_STATE (parser)->is_linespec = 1; |
f00aae0f KS |
3180 | TRY |
3181 | { | |
a20714ff PA |
3182 | const linespec_location *ls = get_linespec_location (location); |
3183 | result = parse_linespec (parser, | |
3184 | ls->spec_string, ls->match_type); | |
f00aae0f KS |
3185 | } |
3186 | CATCH (except, RETURN_MASK_ERROR) | |
3187 | { | |
3188 | throw_exception (except); | |
3189 | } | |
3190 | END_CATCH | |
3191 | } | |
3192 | break; | |
3193 | ||
a06efdd6 | 3194 | case ADDRESS_LOCATION: |
305e13e6 JB |
3195 | { |
3196 | const char *addr_string = get_address_string_location (location); | |
3197 | CORE_ADDR addr = get_address_location (location); | |
3198 | ||
3199 | if (addr_string != NULL) | |
3200 | { | |
9be2c17a | 3201 | addr = linespec_expression_to_pc (&addr_string); |
305e13e6 JB |
3202 | if (PARSER_STATE (parser)->canonical != NULL) |
3203 | PARSER_STATE (parser)->canonical->location | |
8e9e35b1 | 3204 | = copy_event_location (location); |
305e13e6 JB |
3205 | } |
3206 | ||
3207 | result = convert_address_location_to_sals (PARSER_STATE (parser), | |
3208 | addr); | |
3209 | } | |
a06efdd6 KS |
3210 | break; |
3211 | ||
00e52e53 KS |
3212 | case EXPLICIT_LOCATION: |
3213 | { | |
67994074 | 3214 | const struct explicit_location *explicit_loc; |
00e52e53 | 3215 | |
67994074 | 3216 | explicit_loc = get_explicit_location_const (location); |
00e52e53 KS |
3217 | result = convert_explicit_location_to_sals (PARSER_STATE (parser), |
3218 | PARSER_RESULT (parser), | |
67994074 | 3219 | explicit_loc); |
00e52e53 KS |
3220 | } |
3221 | break; | |
3222 | ||
5b56227b KS |
3223 | case PROBE_LOCATION: |
3224 | /* Probes are handled by their own decoders. */ | |
3225 | gdb_assert_not_reached ("attempt to decode probe location"); | |
3226 | break; | |
3227 | ||
f00aae0f KS |
3228 | default: |
3229 | gdb_assert_not_reached ("unhandled event location type"); | |
3230 | } | |
3231 | ||
3232 | return result; | |
3233 | } | |
3234 | ||
f8eba3c6 | 3235 | /* See linespec.h. */ |
44fe14ab | 3236 | |
f8eba3c6 | 3237 | void |
f00aae0f | 3238 | decode_line_full (const struct event_location *location, int flags, |
c2f4122d | 3239 | struct program_space *search_pspace, |
f8eba3c6 TT |
3240 | struct symtab *default_symtab, |
3241 | int default_line, struct linespec_result *canonical, | |
3242 | const char *select_mode, | |
3243 | const char *filter) | |
44fe14ab | 3244 | { |
f8eba3c6 | 3245 | struct cleanup *cleanups; |
f73c6ece | 3246 | std::vector<const char *> filters; |
40e084e1 KS |
3247 | linespec_parser parser; |
3248 | struct linespec_state *state; | |
f8eba3c6 TT |
3249 | |
3250 | gdb_assert (canonical != NULL); | |
3251 | /* The filter only makes sense for 'all'. */ | |
3252 | gdb_assert (filter == NULL || select_mode == multiple_symbols_all); | |
3253 | gdb_assert (select_mode == NULL | |
3254 | || select_mode == multiple_symbols_all | |
3255 | || select_mode == multiple_symbols_ask | |
3256 | || select_mode == multiple_symbols_cancel); | |
3257 | gdb_assert ((flags & DECODE_LINE_LIST_MODE) == 0); | |
3258 | ||
c2f4122d PA |
3259 | linespec_parser_new (&parser, flags, current_language, |
3260 | search_pspace, default_symtab, | |
40e084e1 KS |
3261 | default_line, canonical); |
3262 | cleanups = make_cleanup (linespec_parser_delete, &parser); | |
5ed8105e PA |
3263 | |
3264 | scoped_restore_current_program_space restore_pspace; | |
f8eba3c6 | 3265 | |
6c5b2ebe PA |
3266 | std::vector<symtab_and_line> result = event_location_to_sals (&parser, |
3267 | location); | |
40e084e1 | 3268 | state = PARSER_STATE (&parser); |
f8eba3c6 | 3269 | |
6c5b2ebe | 3270 | gdb_assert (result.size () == 1 || canonical->pre_expanded); |
f8eba3c6 TT |
3271 | canonical->pre_expanded = 1; |
3272 | ||
66f1999b | 3273 | /* Arrange for allocated canonical names to be freed. */ |
6c5b2ebe | 3274 | if (!result.empty ()) |
f8eba3c6 TT |
3275 | { |
3276 | int i; | |
3277 | ||
40e084e1 | 3278 | make_cleanup (xfree, state->canonical_names); |
6c5b2ebe | 3279 | for (i = 0; i < result.size (); ++i) |
f8eba3c6 | 3280 | { |
33f448b1 JK |
3281 | gdb_assert (state->canonical_names[i].suffix != NULL); |
3282 | make_cleanup (xfree, state->canonical_names[i].suffix); | |
f8eba3c6 TT |
3283 | } |
3284 | } | |
3285 | ||
3286 | if (select_mode == NULL) | |
3287 | { | |
29f94340 | 3288 | if (top_level_interpreter ()->interp_ui_out ()->is_mi_like_p ()) |
f8eba3c6 TT |
3289 | select_mode = multiple_symbols_all; |
3290 | else | |
3291 | select_mode = multiple_symbols_select_mode (); | |
3292 | } | |
3293 | ||
3294 | if (select_mode == multiple_symbols_all) | |
3295 | { | |
3296 | if (filter != NULL) | |
3297 | { | |
f73c6ece | 3298 | filters.push_back (filter); |
40e084e1 | 3299 | filter_results (state, &result, filters); |
f8eba3c6 TT |
3300 | } |
3301 | else | |
40e084e1 | 3302 | convert_results_to_lsals (state, &result); |
f8eba3c6 TT |
3303 | } |
3304 | else | |
40e084e1 | 3305 | decode_line_2 (state, &result, select_mode); |
f8eba3c6 TT |
3306 | |
3307 | do_cleanups (cleanups); | |
3308 | } | |
3309 | ||
39cf75f7 DE |
3310 | /* See linespec.h. */ |
3311 | ||
6c5b2ebe | 3312 | std::vector<symtab_and_line> |
f00aae0f | 3313 | decode_line_1 (const struct event_location *location, int flags, |
c2f4122d | 3314 | struct program_space *search_pspace, |
f8eba3c6 TT |
3315 | struct symtab *default_symtab, |
3316 | int default_line) | |
3317 | { | |
40e084e1 | 3318 | linespec_parser parser; |
f8eba3c6 TT |
3319 | struct cleanup *cleanups; |
3320 | ||
c2f4122d PA |
3321 | linespec_parser_new (&parser, flags, current_language, |
3322 | search_pspace, default_symtab, | |
40e084e1 KS |
3323 | default_line, NULL); |
3324 | cleanups = make_cleanup (linespec_parser_delete, &parser); | |
5ed8105e PA |
3325 | |
3326 | scoped_restore_current_program_space restore_pspace; | |
f8eba3c6 | 3327 | |
6c5b2ebe PA |
3328 | std::vector<symtab_and_line> result = event_location_to_sals (&parser, |
3329 | location); | |
40e084e1 | 3330 | |
f8eba3c6 TT |
3331 | do_cleanups (cleanups); |
3332 | return result; | |
3333 | } | |
3334 | ||
39cf75f7 DE |
3335 | /* See linespec.h. */ |
3336 | ||
6c5b2ebe | 3337 | std::vector<symtab_and_line> |
f2fc3015 | 3338 | decode_line_with_current_source (const char *string, int flags) |
39cf75f7 | 3339 | { |
39cf75f7 DE |
3340 | if (string == 0) |
3341 | error (_("Empty line specification.")); | |
3342 | ||
3343 | /* We use whatever is set as the current source line. We do not try | |
3344 | and get a default source symtab+line or it will recursively call us! */ | |
6c5b2ebe | 3345 | symtab_and_line cursal = get_current_source_symtab_and_line (); |
39cf75f7 | 3346 | |
ffc2605c TT |
3347 | event_location_up location = string_to_event_location (&string, |
3348 | current_language); | |
6c5b2ebe PA |
3349 | std::vector<symtab_and_line> sals |
3350 | = decode_line_1 (location.get (), flags, NULL, cursal.symtab, cursal.line); | |
39cf75f7 DE |
3351 | |
3352 | if (*string) | |
3353 | error (_("Junk at end of line specification: %s"), string); | |
f00aae0f | 3354 | |
39cf75f7 DE |
3355 | return sals; |
3356 | } | |
3357 | ||
3358 | /* See linespec.h. */ | |
3359 | ||
6c5b2ebe | 3360 | std::vector<symtab_and_line> |
f2fc3015 | 3361 | decode_line_with_last_displayed (const char *string, int flags) |
39cf75f7 | 3362 | { |
39cf75f7 DE |
3363 | if (string == 0) |
3364 | error (_("Empty line specification.")); | |
3365 | ||
ffc2605c TT |
3366 | event_location_up location = string_to_event_location (&string, |
3367 | current_language); | |
6c5b2ebe PA |
3368 | std::vector<symtab_and_line> sals |
3369 | = (last_displayed_sal_is_valid () | |
3370 | ? decode_line_1 (location.get (), flags, NULL, | |
3371 | get_last_displayed_symtab (), | |
3372 | get_last_displayed_line ()) | |
3373 | : decode_line_1 (location.get (), flags, NULL, | |
3374 | (struct symtab *) NULL, 0)); | |
39cf75f7 DE |
3375 | |
3376 | if (*string) | |
3377 | error (_("Junk at end of line specification: %s"), string); | |
f00aae0f | 3378 | |
39cf75f7 DE |
3379 | return sals; |
3380 | } | |
3381 | ||
f8eba3c6 TT |
3382 | \f |
3383 | ||
3384 | /* First, some functions to initialize stuff at the beggining of the | |
3385 | function. */ | |
3386 | ||
3387 | static void | |
3388 | initialize_defaults (struct symtab **default_symtab, int *default_line) | |
3389 | { | |
3390 | if (*default_symtab == 0) | |
3391 | { | |
3392 | /* Use whatever we have for the default source line. We don't use | |
3393 | get_current_or_default_symtab_and_line as it can recurse and call | |
3394 | us back! */ | |
3395 | struct symtab_and_line cursal = | |
3396 | get_current_source_symtab_and_line (); | |
3397 | ||
3398 | *default_symtab = cursal.symtab; | |
3399 | *default_line = cursal.line; | |
3400 | } | |
3401 | } | |
3402 | ||
3403 | \f | |
3404 | ||
40e084e1 KS |
3405 | /* Evaluate the expression pointed to by EXP_PTR into a CORE_ADDR, |
3406 | advancing EXP_PTR past any parsed text. */ | |
f8eba3c6 | 3407 | |
a06efdd6 | 3408 | CORE_ADDR |
bbc13ae3 | 3409 | linespec_expression_to_pc (const char **exp_ptr) |
f8eba3c6 | 3410 | { |
f8eba3c6 TT |
3411 | if (current_program_space->executing_startup) |
3412 | /* The error message doesn't really matter, because this case | |
3413 | should only hit during breakpoint reset. */ | |
3414 | throw_error (NOT_FOUND_ERROR, _("cannot evaluate expressions while " | |
3415 | "program space is in startup")); | |
3416 | ||
40e084e1 KS |
3417 | (*exp_ptr)++; |
3418 | return value_as_address (parse_to_comma_and_eval (exp_ptr)); | |
0960f083 DC |
3419 | } |
3420 | ||
3421 | \f | |
3422 | ||
d2630e69 AF |
3423 | /* Here's where we recognise an Objective-C Selector. An Objective C |
3424 | selector may be implemented by more than one class, therefore it | |
3425 | may represent more than one method/function. This gives us a | |
3426 | situation somewhat analogous to C++ overloading. If there's more | |
3427 | than one method that could represent the selector, then use some of | |
3428 | the existing C++ code to let the user choose one. */ | |
3429 | ||
6c5b2ebe | 3430 | static std::vector<symtab_and_line> |
f00aae0f | 3431 | decode_objc (struct linespec_state *self, linespec_p ls, const char *arg) |
d2630e69 | 3432 | { |
f8eba3c6 | 3433 | struct collect_info info; |
9b2f8581 | 3434 | std::vector<const char *> symbol_names; |
d7561cbb | 3435 | const char *new_argptr; |
f8eba3c6 TT |
3436 | |
3437 | info.state = self; | |
2a908241 KS |
3438 | std::vector<symtab *> symtabs; |
3439 | symtabs.push_back (nullptr); | |
3440 | ||
3441 | info.file_symtabs = &symtabs; | |
7243d011 KS |
3442 | |
3443 | std::vector<symbol *> symbols; | |
3444 | info.result.symbols = &symbols; | |
c2a031c5 KS |
3445 | std::vector<bound_minimal_symbol> minimal_symbols; |
3446 | info.result.minimal_symbols = &minimal_symbols; | |
f8eba3c6 | 3447 | |
f00aae0f | 3448 | new_argptr = find_imps (arg, &symbol_names); |
9b2f8581 | 3449 | if (symbol_names.empty ()) |
2a908241 | 3450 | return {}; |
d2630e69 | 3451 | |
56d87ef7 PA |
3452 | add_all_symbol_names_from_pspace (&info, NULL, symbol_names, |
3453 | FUNCTIONS_DOMAIN); | |
d2630e69 | 3454 | |
6c5b2ebe | 3455 | std::vector<symtab_and_line> values; |
c2a031c5 | 3456 | if (!symbols.empty () || !minimal_symbols.empty ()) |
d2630e69 | 3457 | { |
f8eba3c6 | 3458 | char *saved_arg; |
d2630e69 | 3459 | |
224c3ddb | 3460 | saved_arg = (char *) alloca (new_argptr - arg + 1); |
f00aae0f KS |
3461 | memcpy (saved_arg, arg, new_argptr - arg); |
3462 | saved_arg[new_argptr - arg] = '\0'; | |
d2630e69 | 3463 | |
67994074 | 3464 | ls->explicit_loc.function_name = xstrdup (saved_arg); |
7243d011 | 3465 | ls->function_symbols = new std::vector<symbol *> (std::move (symbols)); |
c2a031c5 KS |
3466 | ls->minimal_symbols |
3467 | = new std::vector<bound_minimal_symbol> (std::move (minimal_symbols)); | |
40e084e1 KS |
3468 | values = convert_linespec_to_sals (self, ls); |
3469 | ||
f8eba3c6 | 3470 | if (self->canonical) |
d2630e69 | 3471 | { |
f2fc3015 TT |
3472 | std::string holder; |
3473 | const char *str; | |
f00aae0f | 3474 | |
f8eba3c6 | 3475 | self->canonical->pre_expanded = 1; |
f00aae0f | 3476 | |
67994074 | 3477 | if (ls->explicit_loc.source_filename) |
f00aae0f | 3478 | { |
f2fc3015 TT |
3479 | holder = string_printf ("%s:%s", |
3480 | ls->explicit_loc.source_filename, | |
3481 | saved_arg); | |
3482 | str = holder.c_str (); | |
f00aae0f | 3483 | } |
f8eba3c6 | 3484 | else |
f2fc3015 | 3485 | str = saved_arg; |
f00aae0f | 3486 | |
a20714ff PA |
3487 | self->canonical->location |
3488 | = new_linespec_location (&str, symbol_name_match_type::FULL); | |
d2630e69 | 3489 | } |
d2630e69 AF |
3490 | } |
3491 | ||
40e084e1 | 3492 | return values; |
f8eba3c6 | 3493 | } |
c00f8484 | 3494 | |
ffdbe864 YQ |
3495 | namespace { |
3496 | ||
14bc53a8 PA |
3497 | /* A function object that serves as symbol_found_callback_ftype |
3498 | callback for iterate_over_symbols. This is used by | |
3499 | lookup_prefix_sym to collect type symbols. */ | |
3500 | class decode_compound_collector | |
f8eba3c6 | 3501 | { |
14bc53a8 | 3502 | public: |
fc4007c9 | 3503 | decode_compound_collector () |
14bc53a8 | 3504 | : m_symbols (NULL) |
fc4007c9 | 3505 | { |
14bc53a8 PA |
3506 | m_unique_syms = htab_create_alloc (1, htab_hash_pointer, |
3507 | htab_eq_pointer, NULL, | |
3508 | xcalloc, xfree); | |
fc4007c9 TT |
3509 | } |
3510 | ||
3511 | ~decode_compound_collector () | |
3512 | { | |
14bc53a8 PA |
3513 | if (m_unique_syms != NULL) |
3514 | htab_delete (m_unique_syms); | |
fc4007c9 | 3515 | } |
3a93a0c2 | 3516 | |
14bc53a8 PA |
3517 | /* Releases ownership of the collected symbols and returns them. */ |
3518 | VEC (symbolp) *release_symbols () | |
3519 | { | |
3520 | VEC (symbolp) *res = m_symbols; | |
3521 | m_symbols = NULL; | |
3522 | return res; | |
3523 | } | |
c00f8484 | 3524 | |
14bc53a8 PA |
3525 | /* Callable as a symbol_found_callback_ftype callback. */ |
3526 | bool operator () (symbol *sym); | |
3527 | ||
3528 | private: | |
3529 | /* A hash table of all symbols we found. We use this to avoid | |
3530 | adding any symbol more than once. */ | |
3531 | htab_t m_unique_syms; | |
3532 | ||
3533 | /* The result vector. */ | |
3534 | VEC (symbolp) *m_symbols; | |
3535 | }; | |
3536 | ||
3537 | bool | |
3538 | decode_compound_collector::operator () (symbol *sym) | |
f8eba3c6 | 3539 | { |
f8eba3c6 TT |
3540 | void **slot; |
3541 | struct type *t; | |
614b3b14 | 3542 | |
f8eba3c6 | 3543 | if (SYMBOL_CLASS (sym) != LOC_TYPEDEF) |
14bc53a8 | 3544 | return true; /* Continue iterating. */ |
f8eba3c6 TT |
3545 | |
3546 | t = SYMBOL_TYPE (sym); | |
f168693b | 3547 | t = check_typedef (t); |
f8eba3c6 TT |
3548 | if (TYPE_CODE (t) != TYPE_CODE_STRUCT |
3549 | && TYPE_CODE (t) != TYPE_CODE_UNION | |
3550 | && TYPE_CODE (t) != TYPE_CODE_NAMESPACE) | |
14bc53a8 | 3551 | return true; /* Continue iterating. */ |
614b3b14 | 3552 | |
14bc53a8 | 3553 | slot = htab_find_slot (m_unique_syms, sym, INSERT); |
f8eba3c6 TT |
3554 | if (!*slot) |
3555 | { | |
3556 | *slot = sym; | |
14bc53a8 | 3557 | VEC_safe_push (symbolp, m_symbols, sym); |
f8eba3c6 TT |
3558 | } |
3559 | ||
14bc53a8 | 3560 | return true; /* Continue iterating. */ |
f8eba3c6 | 3561 | } |
93d91629 | 3562 | |
ffdbe864 YQ |
3563 | } // namespace |
3564 | ||
40e084e1 | 3565 | /* Return any symbols corresponding to CLASS_NAME in FILE_SYMTABS. */ |
93d91629 | 3566 | |
f8eba3c6 | 3567 | static VEC (symbolp) * |
2a908241 KS |
3568 | lookup_prefix_sym (struct linespec_state *state, |
3569 | std::vector<symtab *> *file_symtabs, | |
40e084e1 | 3570 | const char *class_name) |
93d91629 | 3571 | { |
14bc53a8 | 3572 | decode_compound_collector collector; |
e0881a8e | 3573 | |
b5ec771e PA |
3574 | lookup_name_info lookup_name (class_name, symbol_name_match_type::FULL); |
3575 | ||
2a908241 | 3576 | for (const auto &elt : *file_symtabs) |
f8eba3c6 | 3577 | { |
2a908241 | 3578 | if (elt == nullptr) |
f8eba3c6 | 3579 | { |
b5ec771e | 3580 | iterate_over_all_matching_symtabs (state, lookup_name, |
56d87ef7 PA |
3581 | STRUCT_DOMAIN, ALL_DOMAIN, |
3582 | NULL, false, collector); | |
b5ec771e | 3583 | iterate_over_all_matching_symtabs (state, lookup_name, |
56d87ef7 PA |
3584 | VAR_DOMAIN, ALL_DOMAIN, |
3585 | NULL, false, collector); | |
f8eba3c6 TT |
3586 | } |
3587 | else | |
3588 | { | |
f8eba3c6 TT |
3589 | /* Program spaces that are executing startup should have |
3590 | been filtered out earlier. */ | |
3591 | gdb_assert (!SYMTAB_PSPACE (elt)->executing_startup); | |
3592 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
b5ec771e PA |
3593 | iterate_over_file_blocks (elt, lookup_name, STRUCT_DOMAIN, collector); |
3594 | iterate_over_file_blocks (elt, lookup_name, VAR_DOMAIN, collector); | |
1e5a1abc KS |
3595 | } |
3596 | } | |
3597 | ||
14bc53a8 | 3598 | return collector.release_symbols (); |
93d91629 DC |
3599 | } |
3600 | ||
7243d011 KS |
3601 | /* A std::sort comparison function for symbols. The resulting order does |
3602 | not actually matter; we just need to be able to sort them so that | |
3603 | symbols with the same program space end up next to each other. */ | |
3604 | ||
3605 | static bool | |
3606 | std_compare_symbols (const struct symbol *a, const struct symbol *b) | |
3607 | { | |
3608 | uintptr_t uia, uib; | |
3609 | ||
3610 | uia = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (a)); | |
3611 | uib = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (b)); | |
3612 | ||
3613 | if (uia < uib) | |
3614 | return true; | |
3615 | if (uia > uib) | |
3616 | return false; | |
3617 | ||
3618 | uia = (uintptr_t) a; | |
3619 | uib = (uintptr_t) b; | |
3620 | ||
3621 | if (uia < uib) | |
3622 | return true; | |
3623 | ||
3624 | return false; | |
3625 | } | |
3626 | ||
40e084e1 KS |
3627 | /* A qsort comparison function for symbols. The resulting order does |
3628 | not actually matter; we just need to be able to sort them so that | |
3629 | symbols with the same program space end up next to each other. */ | |
3630 | ||
3631 | static int | |
3632 | compare_symbols (const void *a, const void *b) | |
3633 | { | |
9a3c8263 SM |
3634 | struct symbol * const *sa = (struct symbol * const*) a; |
3635 | struct symbol * const *sb = (struct symbol * const*) b; | |
40e084e1 KS |
3636 | uintptr_t uia, uib; |
3637 | ||
08be3fe3 DE |
3638 | uia = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (*sa)); |
3639 | uib = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (*sb)); | |
40e084e1 KS |
3640 | |
3641 | if (uia < uib) | |
3642 | return -1; | |
3643 | if (uia > uib) | |
3644 | return 1; | |
3645 | ||
3646 | uia = (uintptr_t) *sa; | |
3647 | uib = (uintptr_t) *sb; | |
3648 | ||
3649 | if (uia < uib) | |
3650 | return -1; | |
3651 | if (uia > uib) | |
3652 | return 1; | |
3653 | ||
3654 | return 0; | |
3655 | } | |
3656 | ||
3657 | /* Like compare_symbols but for minimal symbols. */ | |
4224873a | 3658 | |
c2a031c5 KS |
3659 | static bool |
3660 | compare_msymbols (const bound_minimal_symbol &a, const bound_minimal_symbol &b) | |
4224873a | 3661 | { |
f8eba3c6 TT |
3662 | uintptr_t uia, uib; |
3663 | ||
c2a031c5 KS |
3664 | uia = (uintptr_t) a.objfile->pspace; |
3665 | uib = (uintptr_t) a.objfile->pspace; | |
f8eba3c6 TT |
3666 | |
3667 | if (uia < uib) | |
c2a031c5 | 3668 | return true; |
f8eba3c6 | 3669 | if (uia > uib) |
c2a031c5 | 3670 | return false; |
f8eba3c6 | 3671 | |
c2a031c5 KS |
3672 | uia = (uintptr_t) a.minsym; |
3673 | uib = (uintptr_t) b.minsym; | |
f8eba3c6 TT |
3674 | |
3675 | if (uia < uib) | |
c2a031c5 | 3676 | return true; |
f8eba3c6 | 3677 | |
c2a031c5 | 3678 | return false; |
f8eba3c6 TT |
3679 | } |
3680 | ||
3681 | /* Look for all the matching instances of each symbol in NAMES. Only | |
3682 | instances from PSPACE are considered; other program spaces are | |
3683 | handled by our caller. If PSPACE is NULL, then all program spaces | |
3684 | are considered. Results are stored into INFO. */ | |
3685 | ||
3686 | static void | |
3687 | add_all_symbol_names_from_pspace (struct collect_info *info, | |
3688 | struct program_space *pspace, | |
9b2f8581 | 3689 | const std::vector<const char *> &names, |
56d87ef7 | 3690 | enum search_domain search_domain) |
f8eba3c6 | 3691 | { |
9b2f8581 | 3692 | for (const char *iter : names) |
b5ec771e PA |
3693 | add_matching_symbols_to_info (iter, |
3694 | symbol_name_match_type::FULL, | |
56d87ef7 | 3695 | search_domain, info, pspace); |
f8eba3c6 TT |
3696 | } |
3697 | ||
3698 | static void | |
8e8d776e | 3699 | find_superclass_methods (std::vector<struct type *> &&superclasses, |
b5ec771e | 3700 | const char *name, enum language name_lang, |
9b2f8581 | 3701 | std::vector<const char *> *result_names) |
f8eba3c6 | 3702 | { |
9b2f8581 | 3703 | size_t old_len = result_names->size (); |
f8eba3c6 | 3704 | |
f8eba3c6 TT |
3705 | while (1) |
3706 | { | |
8e8d776e | 3707 | std::vector<struct type *> new_supers; |
f8eba3c6 | 3708 | |
52941706 | 3709 | for (type *t : superclasses) |
b5ec771e | 3710 | find_methods (t, name_lang, name, result_names, &new_supers); |
f8eba3c6 | 3711 | |
8e8d776e | 3712 | if (result_names->size () != old_len || new_supers.empty ()) |
f8eba3c6 | 3713 | break; |
4224873a | 3714 | |
8e8d776e | 3715 | superclasses = std::move (new_supers); |
f8eba3c6 | 3716 | } |
f8eba3c6 TT |
3717 | } |
3718 | ||
40e084e1 KS |
3719 | /* This finds the method METHOD_NAME in the class CLASS_NAME whose type is |
3720 | given by one of the symbols in SYM_CLASSES. Matches are returned | |
3721 | in SYMBOLS (for debug symbols) and MINSYMS (for minimal symbols). */ | |
f8eba3c6 | 3722 | |
40e084e1 | 3723 | static void |
2a908241 | 3724 | find_method (struct linespec_state *self, std::vector<symtab *> *file_symtabs, |
40e084e1 | 3725 | const char *class_name, const char *method_name, |
7243d011 | 3726 | VEC (symbolp) *sym_classes, std::vector<symbol *> *symbols, |
c2a031c5 | 3727 | std::vector<bound_minimal_symbol> *minsyms) |
f8eba3c6 | 3728 | { |
f8eba3c6 | 3729 | struct symbol *sym; |
f8eba3c6 | 3730 | int ix; |
9b2f8581 | 3731 | size_t last_result_len; |
8e8d776e | 3732 | std::vector<struct type *> superclass_vec; |
9b2f8581 | 3733 | std::vector<const char *> result_names; |
f8eba3c6 | 3734 | struct collect_info info; |
4224873a | 3735 | |
f8eba3c6 TT |
3736 | /* Sort symbols so that symbols with the same program space are next |
3737 | to each other. */ | |
3738 | qsort (VEC_address (symbolp, sym_classes), | |
3739 | VEC_length (symbolp, sym_classes), | |
3740 | sizeof (symbolp), | |
3741 | compare_symbols); | |
3742 | ||
3743 | info.state = self; | |
40e084e1 | 3744 | info.file_symtabs = file_symtabs; |
7243d011 | 3745 | info.result.symbols = symbols; |
c2a031c5 | 3746 | info.result.minimal_symbols = minsyms; |
f8eba3c6 TT |
3747 | |
3748 | /* Iterate over all the types, looking for the names of existing | |
40e084e1 | 3749 | methods matching METHOD_NAME. If we cannot find a direct method in a |
f8eba3c6 TT |
3750 | given program space, then we consider inherited methods; this is |
3751 | not ideal (ideal would be to respect C++ hiding rules), but it | |
3752 | seems good enough and is what GDB has historically done. We only | |
3753 | need to collect the names because later we find all symbols with | |
3754 | those names. This loop is written in a somewhat funny way | |
3755 | because we collect data across the program space before deciding | |
3756 | what to do. */ | |
f8eba3c6 TT |
3757 | last_result_len = 0; |
3758 | for (ix = 0; VEC_iterate (symbolp, sym_classes, ix, sym); ++ix) | |
3759 | { | |
3760 | struct type *t; | |
3761 | struct program_space *pspace; | |
3762 | ||
3763 | /* Program spaces that are executing startup should have | |
3764 | been filtered out earlier. */ | |
08be3fe3 DE |
3765 | pspace = SYMTAB_PSPACE (symbol_symtab (sym)); |
3766 | gdb_assert (!pspace->executing_startup); | |
f8eba3c6 TT |
3767 | set_current_program_space (pspace); |
3768 | t = check_typedef (SYMBOL_TYPE (sym)); | |
b5ec771e PA |
3769 | find_methods (t, SYMBOL_LANGUAGE (sym), |
3770 | method_name, &result_names, &superclass_vec); | |
f8eba3c6 TT |
3771 | |
3772 | /* Handle all items from a single program space at once; and be | |
3773 | sure not to miss the last batch. */ | |
3774 | if (ix == VEC_length (symbolp, sym_classes) - 1 | |
3775 | || (pspace | |
08be3fe3 | 3776 | != SYMTAB_PSPACE (symbol_symtab (VEC_index (symbolp, sym_classes, |
f8eba3c6 | 3777 | ix + 1))))) |
4224873a | 3778 | { |
f8eba3c6 TT |
3779 | /* If we did not find a direct implementation anywhere in |
3780 | this program space, consider superclasses. */ | |
9b2f8581 | 3781 | if (result_names.size () == last_result_len) |
8e8d776e | 3782 | find_superclass_methods (std::move (superclass_vec), method_name, |
b5ec771e | 3783 | SYMBOL_LANGUAGE (sym), &result_names); |
f8eba3c6 TT |
3784 | |
3785 | /* We have a list of candidate symbol names, so now we | |
3786 | iterate over the symbol tables looking for all | |
3787 | matches in this pspace. */ | |
56d87ef7 PA |
3788 | add_all_symbol_names_from_pspace (&info, pspace, result_names, |
3789 | FUNCTIONS_DOMAIN); | |
f8eba3c6 | 3790 | |
8e8d776e | 3791 | superclass_vec.clear (); |
9b2f8581 | 3792 | last_result_len = result_names.size (); |
4224873a | 3793 | } |
4224873a | 3794 | } |
f8eba3c6 | 3795 | |
c2a031c5 KS |
3796 | if (!symbols->empty () || !minsyms->empty ()) |
3797 | return; | |
f8eba3c6 | 3798 | |
40e084e1 KS |
3799 | /* Throw an NOT_FOUND_ERROR. This will be caught by the caller |
3800 | and other attempts to locate the symbol will be made. */ | |
3801 | throw_error (NOT_FOUND_ERROR, _("see caller, this text doesn't matter")); | |
f8eba3c6 TT |
3802 | } |
3803 | ||
3804 | \f | |
3805 | ||
ffdbe864 YQ |
3806 | namespace { |
3807 | ||
14bc53a8 PA |
3808 | /* This function object is a callback for iterate_over_symtabs, used |
3809 | when collecting all matching symtabs. */ | |
f8eba3c6 | 3810 | |
14bc53a8 | 3811 | class symtab_collector |
f8eba3c6 | 3812 | { |
14bc53a8 | 3813 | public: |
fc4007c9 | 3814 | symtab_collector () |
2a908241 | 3815 | : m_symtabs (new std::vector<symtab *> ()) |
fc4007c9 | 3816 | { |
14bc53a8 PA |
3817 | m_symtab_table = htab_create (1, htab_hash_pointer, htab_eq_pointer, |
3818 | NULL); | |
fc4007c9 TT |
3819 | } |
3820 | ||
3821 | ~symtab_collector () | |
3822 | { | |
14bc53a8 PA |
3823 | if (m_symtab_table != NULL) |
3824 | htab_delete (m_symtab_table); | |
fc4007c9 | 3825 | } |
f8eba3c6 | 3826 | |
14bc53a8 PA |
3827 | /* Callable as a symbol_found_callback_ftype callback. */ |
3828 | bool operator () (symtab *sym); | |
f8eba3c6 | 3829 | |
14bc53a8 | 3830 | /* Releases ownership of the collected symtabs and returns them. */ |
2a908241 | 3831 | symtab_vector_up release_symtabs () |
14bc53a8 | 3832 | { |
2a908241 | 3833 | return std::move (m_symtabs); |
14bc53a8 PA |
3834 | } |
3835 | ||
3836 | private: | |
3837 | /* The result vector of symtabs. */ | |
2a908241 | 3838 | symtab_vector_up m_symtabs; |
14bc53a8 PA |
3839 | |
3840 | /* This is used to ensure the symtabs are unique. */ | |
3841 | htab_t m_symtab_table; | |
3842 | }; | |
3843 | ||
3844 | bool | |
3845 | symtab_collector::operator () (struct symtab *symtab) | |
f8eba3c6 | 3846 | { |
f8eba3c6 TT |
3847 | void **slot; |
3848 | ||
14bc53a8 | 3849 | slot = htab_find_slot (m_symtab_table, symtab, INSERT); |
f8eba3c6 | 3850 | if (!*slot) |
4224873a | 3851 | { |
f8eba3c6 | 3852 | *slot = symtab; |
2a908241 | 3853 | m_symtabs->push_back (symtab); |
4224873a | 3854 | } |
f8eba3c6 | 3855 | |
14bc53a8 | 3856 | return false; |
4224873a DC |
3857 | } |
3858 | ||
ffdbe864 YQ |
3859 | } // namespace |
3860 | ||
2a908241 | 3861 | /* Given a file name, return a list of all matching symtabs. If |
c2f4122d PA |
3862 | SEARCH_PSPACE is not NULL, the search is restricted to just that |
3863 | program space. */ | |
f8eba3c6 | 3864 | |
2a908241 | 3865 | static symtab_vector_up |
c2f4122d PA |
3866 | collect_symtabs_from_filename (const char *file, |
3867 | struct program_space *search_pspace) | |
f8eba3c6 | 3868 | { |
14bc53a8 | 3869 | symtab_collector collector; |
f8eba3c6 TT |
3870 | |
3871 | /* Find that file's data. */ | |
c2f4122d PA |
3872 | if (search_pspace == NULL) |
3873 | { | |
14bc53a8 PA |
3874 | struct program_space *pspace; |
3875 | ||
c2f4122d PA |
3876 | ALL_PSPACES (pspace) |
3877 | { | |
3878 | if (pspace->executing_startup) | |
3879 | continue; | |
f8eba3c6 | 3880 | |
c2f4122d | 3881 | set_current_program_space (pspace); |
14bc53a8 | 3882 | iterate_over_symtabs (file, collector); |
c2f4122d PA |
3883 | } |
3884 | } | |
3885 | else | |
3886 | { | |
3887 | set_current_program_space (search_pspace); | |
14bc53a8 | 3888 | iterate_over_symtabs (file, collector); |
c2f4122d | 3889 | } |
f3c39e76 | 3890 | |
14bc53a8 | 3891 | return collector.release_symtabs (); |
f8eba3c6 TT |
3892 | } |
3893 | ||
c2f4122d PA |
3894 | /* Return all the symtabs associated to the FILENAME. If SEARCH_PSPACE is |
3895 | not NULL, the search is restricted to just that program space. */ | |
f8eba3c6 | 3896 | |
2a908241 | 3897 | static symtab_vector_up |
c2f4122d PA |
3898 | symtabs_from_filename (const char *filename, |
3899 | struct program_space *search_pspace) | |
40e084e1 | 3900 | { |
2a908241 KS |
3901 | symtab_vector_up result |
3902 | = collect_symtabs_from_filename (filename, search_pspace); | |
f8eba3c6 | 3903 | |
2a908241 | 3904 | if (result->empty ()) |
f8eba3c6 | 3905 | { |
40e084e1 KS |
3906 | if (!have_full_symbols () && !have_partial_symbols ()) |
3907 | throw_error (NOT_FOUND_ERROR, | |
3908 | _("No symbol table is loaded. " | |
3909 | "Use the \"file\" command.")); | |
00e52e53 | 3910 | source_file_not_found_error (filename); |
f8eba3c6 TT |
3911 | } |
3912 | ||
40e084e1 | 3913 | return result; |
84fba31b | 3914 | } |
f3c39e76 | 3915 | |
40e084e1 KS |
3916 | /* Look up a function symbol named NAME in symtabs FILE_SYMTABS. Matching |
3917 | debug symbols are returned in SYMBOLS. Matching minimal symbols are | |
3918 | returned in MINSYMS. */ | |
14e91ac5 | 3919 | |
40e084e1 KS |
3920 | static void |
3921 | find_function_symbols (struct linespec_state *state, | |
2a908241 | 3922 | std::vector<symtab *> *file_symtabs, const char *name, |
a20714ff | 3923 | symbol_name_match_type name_match_type, |
7243d011 | 3924 | std::vector<symbol *> *symbols, |
c2a031c5 | 3925 | std::vector<bound_minimal_symbol> *minsyms) |
14e91ac5 | 3926 | { |
40e084e1 | 3927 | struct collect_info info; |
9b2f8581 | 3928 | std::vector<const char *> symbol_names; |
14e91ac5 | 3929 | |
40e084e1 | 3930 | info.state = state; |
7243d011 | 3931 | info.result.symbols = symbols; |
c2a031c5 | 3932 | info.result.minimal_symbols = minsyms; |
40e084e1 | 3933 | info.file_symtabs = file_symtabs; |
e0881a8e | 3934 | |
40e084e1 | 3935 | /* Try NAME as an Objective-C selector. */ |
d7561cbb | 3936 | find_imps (name, &symbol_names); |
9b2f8581 | 3937 | if (!symbol_names.empty ()) |
c2f4122d | 3938 | add_all_symbol_names_from_pspace (&info, state->search_pspace, |
56d87ef7 | 3939 | symbol_names, FUNCTIONS_DOMAIN); |
40e084e1 | 3940 | else |
a20714ff | 3941 | add_matching_symbols_to_info (name, name_match_type, FUNCTIONS_DOMAIN, |
b5ec771e | 3942 | &info, state->search_pspace); |
40e084e1 KS |
3943 | } |
3944 | ||
3945 | /* Find all symbols named NAME in FILE_SYMTABS, returning debug symbols | |
3946 | in SYMBOLS and minimal symbols in MINSYMS. */ | |
14e91ac5 | 3947 | |
b1ae631a | 3948 | static void |
40e084e1 | 3949 | find_linespec_symbols (struct linespec_state *state, |
2a908241 | 3950 | std::vector<symtab *> *file_symtabs, |
b5ec771e | 3951 | const char *lookup_name, |
a20714ff | 3952 | symbol_name_match_type name_match_type, |
7243d011 | 3953 | std::vector <symbol *> *symbols, |
c2a031c5 | 3954 | std::vector<bound_minimal_symbol> *minsyms) |
40e084e1 | 3955 | { |
2f408ecb PA |
3956 | std::string canon = cp_canonicalize_string_no_typedefs (lookup_name); |
3957 | if (!canon.empty ()) | |
3958 | lookup_name = canon.c_str (); | |
3959 | ||
cc81e1c6 DE |
3960 | /* It's important to not call expand_symtabs_matching unnecessarily |
3961 | as it can really slow things down (by unnecessarily expanding | |
3962 | potentially 1000s of symtabs, which when debugging some apps can | |
3963 | cost 100s of seconds). Avoid this to some extent by *first* calling | |
3964 | find_function_symbols, and only if that doesn't find anything | |
3965 | *then* call find_method. This handles two important cases: | |
3966 | 1) break (anonymous namespace)::foo | |
3967 | 2) break class::method where method is in class (and not a baseclass) */ | |
14e91ac5 | 3968 | |
cc81e1c6 | 3969 | find_function_symbols (state, file_symtabs, lookup_name, |
7243d011 | 3970 | name_match_type, symbols, minsyms); |
14e91ac5 | 3971 | |
cc81e1c6 DE |
3972 | /* If we were unable to locate a symbol of the same name, try dividing |
3973 | the name into class and method names and searching the class and its | |
3974 | baseclasses. */ | |
c2a031c5 | 3975 | if (symbols->empty () && minsyms->empty ()) |
40e084e1 | 3976 | { |
2f408ecb | 3977 | std::string klass, method; |
cc81e1c6 DE |
3978 | const char *last, *p, *scope_op; |
3979 | VEC (symbolp) *classes; | |
14e91ac5 | 3980 | |
cc81e1c6 DE |
3981 | /* See if we can find a scope operator and break this symbol |
3982 | name into namespaces${SCOPE_OPERATOR}class_name and method_name. */ | |
3983 | scope_op = "::"; | |
3984 | p = find_toplevel_string (lookup_name, scope_op); | |
14e91ac5 | 3985 | |
cc81e1c6 DE |
3986 | last = NULL; |
3987 | while (p != NULL) | |
f8eba3c6 | 3988 | { |
cc81e1c6 DE |
3989 | last = p; |
3990 | p = find_toplevel_string (p + strlen (scope_op), scope_op); | |
f8eba3c6 | 3991 | } |
14e91ac5 | 3992 | |
cc81e1c6 DE |
3993 | /* If no scope operator was found, there is nothing more we can do; |
3994 | we already attempted to lookup the entire name as a symbol | |
3995 | and failed. */ | |
3996 | if (last == NULL) | |
2f408ecb | 3997 | return; |
cc81e1c6 DE |
3998 | |
3999 | /* LOOKUP_NAME points to the class name. | |
4000 | LAST points to the method name. */ | |
2f408ecb | 4001 | klass = std::string (lookup_name, last - lookup_name); |
cc81e1c6 DE |
4002 | |
4003 | /* Skip past the scope operator. */ | |
4004 | last += strlen (scope_op); | |
2f408ecb | 4005 | method = last; |
cc81e1c6 DE |
4006 | |
4007 | /* Find a list of classes named KLASS. */ | |
2f408ecb PA |
4008 | classes = lookup_prefix_sym (state, file_symtabs, klass.c_str ()); |
4009 | struct cleanup *old_chain | |
4010 | = make_cleanup (VEC_cleanup (symbolp), &classes); | |
cc81e1c6 DE |
4011 | |
4012 | if (!VEC_empty (symbolp, classes)) | |
4013 | { | |
4014 | /* Now locate a list of suitable methods named METHOD. */ | |
492d29ea | 4015 | TRY |
cc81e1c6 | 4016 | { |
2f408ecb PA |
4017 | find_method (state, file_symtabs, |
4018 | klass.c_str (), method.c_str (), | |
4019 | classes, symbols, minsyms); | |
cc81e1c6 DE |
4020 | } |
4021 | ||
4022 | /* If successful, we're done. If NOT_FOUND_ERROR | |
4023 | was not thrown, rethrow the exception that we did get. */ | |
492d29ea | 4024 | CATCH (except, RETURN_MASK_ERROR) |
7556d4a4 PA |
4025 | { |
4026 | if (except.error != NOT_FOUND_ERROR) | |
4027 | throw_exception (except); | |
4028 | } | |
492d29ea | 4029 | END_CATCH |
cc81e1c6 | 4030 | } |
14e91ac5 | 4031 | |
2f408ecb PA |
4032 | do_cleanups (old_chain); |
4033 | } | |
14e91ac5 DC |
4034 | } |
4035 | ||
a2459270 PA |
4036 | /* Helper for find_label_symbols. Find all labels that match name |
4037 | NAME in BLOCK. Return all labels that match in FUNCTION_SYMBOLS. | |
4038 | Return the actual function symbol in which the label was found in | |
4039 | LABEL_FUNC_RET. If COMPLETION_MODE is true, then NAME is | |
4040 | interpreted as a label name prefix. Otherwise, only a label named | |
4041 | exactly NAME match. */ | |
4042 | ||
4043 | static void | |
4044 | find_label_symbols_in_block (const struct block *block, | |
4045 | const char *name, struct symbol *fn_sym, | |
4046 | bool completion_mode, | |
3553eadc | 4047 | std::vector<symbol *> *result, |
7243d011 | 4048 | std::vector<symbol *> *label_funcs_ret) |
a2459270 PA |
4049 | { |
4050 | if (completion_mode) | |
4051 | { | |
4052 | struct block_iterator iter; | |
4053 | struct symbol *sym; | |
4054 | size_t name_len = strlen (name); | |
4055 | ||
4056 | int (*cmp) (const char *, const char *, size_t); | |
4057 | cmp = case_sensitivity == case_sensitive_on ? strncmp : strncasecmp; | |
4058 | ||
4059 | ALL_BLOCK_SYMBOLS (block, iter, sym) | |
4060 | { | |
4061 | if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), | |
4062 | SYMBOL_DOMAIN (sym), LABEL_DOMAIN) | |
4063 | && cmp (SYMBOL_SEARCH_NAME (sym), name, name_len) == 0) | |
4064 | { | |
3553eadc | 4065 | result->push_back (sym); |
7243d011 | 4066 | label_funcs_ret->push_back (fn_sym); |
a2459270 PA |
4067 | } |
4068 | } | |
4069 | } | |
4070 | else | |
4071 | { | |
4072 | struct symbol *sym = lookup_symbol (name, block, LABEL_DOMAIN, 0).symbol; | |
4073 | ||
4074 | if (sym != NULL) | |
4075 | { | |
3553eadc | 4076 | result->push_back (sym); |
7243d011 | 4077 | label_funcs_ret->push_back (fn_sym); |
a2459270 PA |
4078 | } |
4079 | } | |
4080 | } | |
4081 | ||
3553eadc KS |
4082 | /* Return all labels that match name NAME in FUNCTION_SYMBOLS or NULL |
4083 | if no matches were found. | |
4084 | ||
4085 | Return the actual function symbol in which the label was found in | |
a2459270 PA |
4086 | LABEL_FUNC_RET. If COMPLETION_MODE is true, then NAME is |
4087 | interpreted as a label name prefix. Otherwise, only labels named | |
4088 | exactly NAME match. */ | |
0f5238ed | 4089 | |
3553eadc | 4090 | static std::vector<symbol *> * |
40e084e1 | 4091 | find_label_symbols (struct linespec_state *self, |
7243d011 KS |
4092 | std::vector<symbol *> *function_symbols, |
4093 | std::vector<symbol *> *label_funcs_ret, const char *name, | |
a2459270 | 4094 | bool completion_mode) |
0f5238ed | 4095 | { |
3977b71f | 4096 | const struct block *block; |
40e084e1 | 4097 | struct symbol *fn_sym; |
3553eadc | 4098 | std::vector<symbol *> result; |
9ef07c8c | 4099 | |
f8eba3c6 | 4100 | if (function_symbols == NULL) |
9ef07c8c | 4101 | { |
f8eba3c6 | 4102 | set_current_program_space (self->program_space); |
4eeaa230 | 4103 | block = get_current_search_block (); |
f8eba3c6 | 4104 | |
9ef07c8c TT |
4105 | for (; |
4106 | block && !BLOCK_FUNCTION (block); | |
4107 | block = BLOCK_SUPERBLOCK (block)) | |
4108 | ; | |
4109 | if (!block) | |
40e084e1 | 4110 | return NULL; |
f8eba3c6 TT |
4111 | fn_sym = BLOCK_FUNCTION (block); |
4112 | ||
a2459270 PA |
4113 | find_label_symbols_in_block (block, name, fn_sym, completion_mode, |
4114 | &result, label_funcs_ret); | |
40e084e1 KS |
4115 | } |
4116 | else | |
4117 | { | |
7243d011 | 4118 | for (const auto &elt : *function_symbols) |
f8eba3c6 | 4119 | { |
7243d011 KS |
4120 | set_current_program_space (SYMTAB_PSPACE (symbol_symtab (elt))); |
4121 | block = SYMBOL_BLOCK_VALUE (elt); | |
40e084e1 | 4122 | |
7243d011 | 4123 | find_label_symbols_in_block (block, name, elt, completion_mode, |
a2459270 | 4124 | &result, label_funcs_ret); |
f8eba3c6 | 4125 | } |
40e084e1 | 4126 | } |
f8eba3c6 | 4127 | |
3553eadc KS |
4128 | if (!result.empty ()) |
4129 | return new std::vector<symbol *> (std::move (result)); | |
4130 | return nullptr; | |
40e084e1 | 4131 | } |
f8eba3c6 | 4132 | |
40e084e1 KS |
4133 | \f |
4134 | ||
4135 | /* A helper for create_sals_line_offset that handles the 'list_mode' case. */ | |
4136 | ||
6c5b2ebe | 4137 | static std::vector<symtab_and_line> |
40e084e1 KS |
4138 | decode_digits_list_mode (struct linespec_state *self, |
4139 | linespec_p ls, | |
40e084e1 KS |
4140 | struct symtab_and_line val) |
4141 | { | |
40e084e1 KS |
4142 | gdb_assert (self->list_mode); |
4143 | ||
6c5b2ebe PA |
4144 | std::vector<symtab_and_line> values; |
4145 | ||
2a908241 | 4146 | for (const auto &elt : *ls->file_symtabs) |
40e084e1 KS |
4147 | { |
4148 | /* The logic above should ensure this. */ | |
4149 | gdb_assert (elt != NULL); | |
4150 | ||
4151 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
4152 | ||
4153 | /* Simplistic search just for the list command. */ | |
4154 | val.symtab = find_line_symtab (elt, val.line, NULL, NULL); | |
4155 | if (val.symtab == NULL) | |
4156 | val.symtab = elt; | |
4157 | val.pspace = SYMTAB_PSPACE (elt); | |
4158 | val.pc = 0; | |
4159 | val.explicit_line = 1; | |
4160 | ||
6c5b2ebe | 4161 | add_sal_to_sals (self, &values, &val, NULL, 0); |
f8eba3c6 | 4162 | } |
6c5b2ebe PA |
4163 | |
4164 | return values; | |
40e084e1 | 4165 | } |
f8eba3c6 | 4166 | |
40e084e1 KS |
4167 | /* A helper for create_sals_line_offset that iterates over the symtabs, |
4168 | adding lines to the VEC. */ | |
4169 | ||
6c5b2ebe | 4170 | static std::vector<symtab_and_line> |
40e084e1 KS |
4171 | decode_digits_ordinary (struct linespec_state *self, |
4172 | linespec_p ls, | |
4173 | int line, | |
40e084e1 KS |
4174 | struct linetable_entry **best_entry) |
4175 | { | |
6c5b2ebe | 4176 | std::vector<symtab_and_line> sals; |
2a908241 | 4177 | for (const auto &elt : *ls->file_symtabs) |
f8eba3c6 | 4178 | { |
67d89901 | 4179 | std::vector<CORE_ADDR> pcs; |
40e084e1 KS |
4180 | |
4181 | /* The logic above should ensure this. */ | |
4182 | gdb_assert (elt != NULL); | |
f8eba3c6 | 4183 | |
40e084e1 | 4184 | set_current_program_space (SYMTAB_PSPACE (elt)); |
f8eba3c6 | 4185 | |
40e084e1 | 4186 | pcs = find_pcs_for_symtab_line (elt, line, best_entry); |
67d89901 | 4187 | for (CORE_ADDR pc : pcs) |
f8eba3c6 | 4188 | { |
51abb421 | 4189 | symtab_and_line sal; |
40e084e1 KS |
4190 | sal.pspace = SYMTAB_PSPACE (elt); |
4191 | sal.symtab = elt; | |
4192 | sal.line = line; | |
4193 | sal.pc = pc; | |
6c5b2ebe | 4194 | sals.push_back (std::move (sal)); |
f8eba3c6 TT |
4195 | } |
4196 | } | |
6c5b2ebe PA |
4197 | |
4198 | return sals; | |
40e084e1 KS |
4199 | } |
4200 | ||
4201 | \f | |
4202 | ||
4203 | /* Return the line offset represented by VARIABLE. */ | |
4204 | ||
4205 | static struct line_offset | |
4206 | linespec_parse_variable (struct linespec_state *self, const char *variable) | |
4207 | { | |
4208 | int index = 0; | |
4209 | const char *p; | |
4210 | struct line_offset offset = {0, LINE_OFFSET_NONE}; | |
f8eba3c6 | 4211 | |
40e084e1 KS |
4212 | p = (variable[1] == '$') ? variable + 2 : variable + 1; |
4213 | if (*p == '$') | |
4214 | ++p; | |
4215 | while (*p >= '0' && *p <= '9') | |
4216 | ++p; | |
4217 | if (!*p) /* Reached end of token without hitting non-digit. */ | |
f8eba3c6 | 4218 | { |
40e084e1 KS |
4219 | /* We have a value history reference. */ |
4220 | struct value *val_history; | |
f8eba3c6 | 4221 | |
40e084e1 KS |
4222 | sscanf ((variable[1] == '$') ? variable + 2 : variable + 1, "%d", &index); |
4223 | val_history | |
4224 | = access_value_history ((variable[1] == '$') ? -index : index); | |
4225 | if (TYPE_CODE (value_type (val_history)) != TYPE_CODE_INT) | |
4226 | error (_("History values used in line " | |
4227 | "specs must have integer values.")); | |
4228 | offset.offset = value_as_long (val_history); | |
4229 | } | |
4230 | else | |
4231 | { | |
4232 | /* Not all digits -- may be user variable/function or a | |
4233 | convenience variable. */ | |
4234 | LONGEST valx; | |
4235 | struct internalvar *ivar; | |
4236 | ||
4237 | /* Try it as a convenience variable. If it is not a convenience | |
4238 | variable, return and allow normal symbol lookup to occur. */ | |
4239 | ivar = lookup_only_internalvar (variable + 1); | |
4240 | if (ivar == NULL) | |
4241 | /* No internal variable with that name. Mark the offset | |
4242 | as unknown to allow the name to be looked up as a symbol. */ | |
4243 | offset.sign = LINE_OFFSET_UNKNOWN; | |
4244 | else | |
4245 | { | |
4246 | /* We found a valid variable name. If it is not an integer, | |
4247 | throw an error. */ | |
4248 | if (!get_internalvar_integer (ivar, &valx)) | |
4249 | error (_("Convenience variables used in line " | |
4250 | "specs must have integer values.")); | |
4251 | else | |
4252 | offset.offset = valx; | |
4253 | } | |
f8eba3c6 TT |
4254 | } |
4255 | ||
40e084e1 | 4256 | return offset; |
f8eba3c6 | 4257 | } |
40e084e1 | 4258 | \f |
f8eba3c6 | 4259 | |
40e084e1 | 4260 | /* We've found a minimal symbol MSYMBOL in OBJFILE to associate with our |
6e22494e JK |
4261 | linespec; return the SAL in RESULT. This function should return SALs |
4262 | matching those from find_function_start_sal, otherwise false | |
4263 | multiple-locations breakpoints could be placed. */ | |
f8eba3c6 TT |
4264 | |
4265 | static void | |
4266 | minsym_found (struct linespec_state *self, struct objfile *objfile, | |
4267 | struct minimal_symbol *msymbol, | |
6c5b2ebe | 4268 | std::vector<symtab_and_line> *result) |
f8eba3c6 | 4269 | { |
3467ec66 | 4270 | bool want_start_sal; |
f8eba3c6 | 4271 | |
4024cf2b | 4272 | CORE_ADDR func_addr; |
3467ec66 PA |
4273 | bool is_function = msymbol_is_function (objfile, msymbol, &func_addr); |
4274 | ||
4275 | if (is_function) | |
4276 | { | |
4277 | const char *msym_name = MSYMBOL_LINKAGE_NAME (msymbol); | |
4278 | ||
f50776aa PA |
4279 | if (MSYMBOL_TYPE (msymbol) == mst_text_gnu_ifunc |
4280 | || MSYMBOL_TYPE (msymbol) == mst_data_gnu_ifunc) | |
3467ec66 PA |
4281 | want_start_sal = gnu_ifunc_resolve_name (msym_name, &func_addr); |
4282 | else | |
4283 | want_start_sal = true; | |
4284 | } | |
4285 | ||
4286 | symtab_and_line sal; | |
4287 | ||
4288 | if (is_function && want_start_sal) | |
42ddae10 | 4289 | sal = find_function_start_sal (func_addr, NULL, self->funfirstline); |
e5f25bc5 PA |
4290 | else |
4291 | { | |
4292 | sal.objfile = objfile; | |
3467ec66 PA |
4293 | sal.msymbol = msymbol; |
4294 | /* Store func_addr, not the minsym's address in case this was an | |
4295 | ifunc that hasn't been resolved yet. */ | |
4296 | if (is_function) | |
4297 | sal.pc = func_addr; | |
4298 | else | |
4299 | sal.pc = MSYMBOL_VALUE_ADDRESS (objfile, msymbol); | |
e5f25bc5 | 4300 | sal.pspace = current_program_space; |
6e22494e | 4301 | } |
f8eba3c6 | 4302 | |
6b05c8bd YQ |
4303 | sal.section = MSYMBOL_OBJ_SECTION (objfile, msymbol); |
4304 | ||
07fea4b4 | 4305 | if (maybe_add_address (self->addr_set, objfile->pspace, sal.pc)) |
efd66ac6 | 4306 | add_sal_to_sals (self, result, &sal, MSYMBOL_NATURAL_NAME (msymbol), 0); |
f8eba3c6 TT |
4307 | } |
4308 | ||
39b856a4 TT |
4309 | /* A helper function to classify a minimal_symbol_type according to |
4310 | priority. */ | |
4311 | ||
4312 | static int | |
4313 | classify_mtype (enum minimal_symbol_type t) | |
4314 | { | |
4315 | switch (t) | |
f8eba3c6 | 4316 | { |
39b856a4 TT |
4317 | case mst_file_text: |
4318 | case mst_file_data: | |
4319 | case mst_file_bss: | |
4320 | /* Intermediate priority. */ | |
4321 | return 1; | |
4322 | ||
4323 | case mst_solib_trampoline: | |
4324 | /* Lowest priority. */ | |
4325 | return 2; | |
4326 | ||
4327 | default: | |
4328 | /* Highest priority. */ | |
4329 | return 0; | |
f8eba3c6 | 4330 | } |
39b856a4 TT |
4331 | } |
4332 | ||
41c1efc6 | 4333 | /* Callback for std::sort that sorts symbols by priority. */ |
39b856a4 | 4334 | |
41c1efc6 TT |
4335 | static bool |
4336 | compare_msyms (const bound_minimal_symbol &a, const bound_minimal_symbol &b) | |
39b856a4 | 4337 | { |
41c1efc6 TT |
4338 | enum minimal_symbol_type ta = MSYMBOL_TYPE (a.minsym); |
4339 | enum minimal_symbol_type tb = MSYMBOL_TYPE (b.minsym); | |
39b856a4 | 4340 | |
41c1efc6 | 4341 | return classify_mtype (ta) < classify_mtype (tb); |
39b856a4 TT |
4342 | } |
4343 | ||
41c1efc6 TT |
4344 | /* Helper for search_minsyms_for_name that adds the symbol to the |
4345 | result. */ | |
39b856a4 TT |
4346 | |
4347 | static void | |
41c1efc6 TT |
4348 | add_minsym (struct minimal_symbol *minsym, struct objfile *objfile, |
4349 | struct symtab *symtab, int list_mode, | |
4350 | std::vector<struct bound_minimal_symbol> *msyms) | |
39b856a4 | 4351 | { |
41c1efc6 | 4352 | if (symtab != NULL) |
87186c6a | 4353 | { |
4024cf2b PA |
4354 | /* We're looking for a label for which we don't have debug |
4355 | info. */ | |
4356 | CORE_ADDR func_addr; | |
41c1efc6 | 4357 | if (msymbol_is_function (objfile, minsym, &func_addr)) |
4024cf2b PA |
4358 | { |
4359 | symtab_and_line sal = find_pc_sect_line (func_addr, NULL, 0); | |
87186c6a | 4360 | |
41c1efc6 | 4361 | if (symtab != sal.symtab) |
4024cf2b PA |
4362 | return; |
4363 | } | |
87186c6a MMN |
4364 | } |
4365 | ||
4024cf2b | 4366 | /* Exclude data symbols when looking for breakpoint locations. */ |
41c1efc6 | 4367 | if (!list_mode && !msymbol_is_function (objfile, minsym)) |
4024cf2b | 4368 | return; |
095bcf5e | 4369 | |
41c1efc6 TT |
4370 | struct bound_minimal_symbol mo = {minsym, objfile}; |
4371 | msyms->push_back (mo); | |
ca31ab1d | 4372 | return; |
f8eba3c6 TT |
4373 | } |
4374 | ||
87186c6a | 4375 | /* Search for minimal symbols called NAME. If SEARCH_PSPACE |
f8eba3c6 | 4376 | is not NULL, the search is restricted to just that program |
87186c6a MMN |
4377 | space. |
4378 | ||
4379 | If SYMTAB is NULL, search all objfiles, otherwise | |
4380 | restrict results to the given SYMTAB. */ | |
f8eba3c6 TT |
4381 | |
4382 | static void | |
b5ec771e PA |
4383 | search_minsyms_for_name (struct collect_info *info, |
4384 | const lookup_name_info &name, | |
87186c6a MMN |
4385 | struct program_space *search_pspace, |
4386 | struct symtab *symtab) | |
f8eba3c6 | 4387 | { |
41c1efc6 | 4388 | std::vector<struct bound_minimal_symbol> minsyms; |
f8eba3c6 | 4389 | |
87186c6a MMN |
4390 | if (symtab == NULL) |
4391 | { | |
4392 | struct program_space *pspace; | |
f8eba3c6 | 4393 | |
87186c6a MMN |
4394 | ALL_PSPACES (pspace) |
4395 | { | |
4396 | struct objfile *objfile; | |
39b856a4 | 4397 | |
87186c6a MMN |
4398 | if (search_pspace != NULL && search_pspace != pspace) |
4399 | continue; | |
4400 | if (pspace->executing_startup) | |
4401 | continue; | |
39b856a4 | 4402 | |
87186c6a MMN |
4403 | set_current_program_space (pspace); |
4404 | ||
4405 | ALL_OBJFILES (objfile) | |
4406 | { | |
41c1efc6 TT |
4407 | iterate_over_minimal_symbols (objfile, name, |
4408 | [&] (struct minimal_symbol *msym) | |
4409 | { | |
4410 | add_minsym (msym, objfile, nullptr, | |
4411 | info->state->list_mode, | |
4412 | &minsyms); | |
ca31ab1d | 4413 | return false; |
41c1efc6 | 4414 | }); |
87186c6a MMN |
4415 | } |
4416 | } | |
4417 | } | |
4418 | else | |
f8eba3c6 | 4419 | { |
87186c6a MMN |
4420 | if (search_pspace == NULL || SYMTAB_PSPACE (symtab) == search_pspace) |
4421 | { | |
4422 | set_current_program_space (SYMTAB_PSPACE (symtab)); | |
41c1efc6 TT |
4423 | iterate_over_minimal_symbols |
4424 | (SYMTAB_OBJFILE (symtab), name, | |
4425 | [&] (struct minimal_symbol *msym) | |
4426 | { | |
4427 | add_minsym (msym, SYMTAB_OBJFILE (symtab), symtab, | |
4428 | info->state->list_mode, &minsyms); | |
ca31ab1d | 4429 | return false; |
41c1efc6 | 4430 | }); |
87186c6a | 4431 | } |
9ef07c8c | 4432 | } |
39b856a4 | 4433 | |
41c1efc6 TT |
4434 | if (!minsyms.empty ()) |
4435 | { | |
4436 | int classification; | |
39b856a4 | 4437 | |
41c1efc6 | 4438 | std::sort (minsyms.begin (), minsyms.end (), compare_msyms); |
39b856a4 | 4439 | |
41c1efc6 TT |
4440 | /* Now the minsyms are in classification order. So, we walk |
4441 | over them and process just the minsyms with the same | |
4442 | classification as the very first minsym in the list. */ | |
4443 | classification = classify_mtype (MSYMBOL_TYPE (minsyms[0].minsym)); | |
4444 | ||
52941706 | 4445 | for (const bound_minimal_symbol &item : minsyms) |
41c1efc6 TT |
4446 | { |
4447 | if (classify_mtype (MSYMBOL_TYPE (item.minsym)) != classification) | |
4448 | break; | |
4449 | ||
c2a031c5 | 4450 | info->result.minimal_symbols->push_back (item); |
41c1efc6 TT |
4451 | } |
4452 | } | |
f8eba3c6 TT |
4453 | } |
4454 | ||
4455 | /* A helper function to add all symbols matching NAME to INFO. If | |
4456 | PSPACE is not NULL, the search is restricted to just that program | |
4457 | space. */ | |
0f5238ed | 4458 | |
f8eba3c6 TT |
4459 | static void |
4460 | add_matching_symbols_to_info (const char *name, | |
b5ec771e | 4461 | symbol_name_match_type name_match_type, |
56d87ef7 | 4462 | enum search_domain search_domain, |
f8eba3c6 TT |
4463 | struct collect_info *info, |
4464 | struct program_space *pspace) | |
4465 | { | |
b5ec771e PA |
4466 | lookup_name_info lookup_name (name, name_match_type); |
4467 | ||
2a908241 | 4468 | for (const auto &elt : *info->file_symtabs) |
f8eba3c6 | 4469 | { |
2a908241 | 4470 | if (elt == nullptr) |
f8eba3c6 | 4471 | { |
b5ec771e | 4472 | iterate_over_all_matching_symtabs (info->state, lookup_name, |
56d87ef7 | 4473 | VAR_DOMAIN, search_domain, |
14bc53a8 PA |
4474 | pspace, true, [&] (symbol *sym) |
4475 | { return info->add_symbol (sym); }); | |
b5ec771e | 4476 | search_minsyms_for_name (info, lookup_name, pspace, NULL); |
f8eba3c6 TT |
4477 | } |
4478 | else if (pspace == NULL || pspace == SYMTAB_PSPACE (elt)) | |
4479 | { | |
7243d011 | 4480 | int prev_len = info->result.symbols->size (); |
87186c6a | 4481 | |
f8eba3c6 TT |
4482 | /* Program spaces that are executing startup should have |
4483 | been filtered out earlier. */ | |
4484 | gdb_assert (!SYMTAB_PSPACE (elt)->executing_startup); | |
4485 | set_current_program_space (SYMTAB_PSPACE (elt)); | |
b5ec771e PA |
4486 | iterate_over_file_blocks (elt, lookup_name, VAR_DOMAIN, |
4487 | [&] (symbol *sym) | |
14bc53a8 | 4488 | { return info->add_symbol (sym); }); |
87186c6a MMN |
4489 | |
4490 | /* If no new symbols were found in this iteration and this symtab | |
4491 | is in assembler, we might actually be looking for a label for | |
4492 | which we don't have debug info. Check for a minimal symbol in | |
4493 | this case. */ | |
7243d011 | 4494 | if (prev_len == info->result.symbols->size () |
87186c6a | 4495 | && elt->language == language_asm) |
b5ec771e | 4496 | search_minsyms_for_name (info, lookup_name, pspace, elt); |
f8eba3c6 TT |
4497 | } |
4498 | } | |
0f5238ed TT |
4499 | } |
4500 | ||
14e91ac5 DC |
4501 | \f |
4502 | ||
413dad4d DC |
4503 | /* Now come some functions that are called from multiple places within |
4504 | decode_line_1. */ | |
4505 | ||
f8eba3c6 TT |
4506 | static int |
4507 | symbol_to_sal (struct symtab_and_line *result, | |
4508 | int funfirstline, struct symbol *sym) | |
413dad4d | 4509 | { |
413dad4d | 4510 | if (SYMBOL_CLASS (sym) == LOC_BLOCK) |
50641945 | 4511 | { |
f8eba3c6 TT |
4512 | *result = find_function_start_sal (sym, funfirstline); |
4513 | return 1; | |
50641945 | 4514 | } |
413dad4d DC |
4515 | else |
4516 | { | |
62853458 | 4517 | if (SYMBOL_CLASS (sym) == LOC_LABEL && SYMBOL_VALUE_ADDRESS (sym) != 0) |
413dad4d | 4518 | { |
51abb421 | 4519 | *result = {}; |
08be3fe3 | 4520 | result->symtab = symbol_symtab (sym); |
06871ae8 | 4521 | result->symbol = sym; |
f8eba3c6 TT |
4522 | result->line = SYMBOL_LINE (sym); |
4523 | result->pc = SYMBOL_VALUE_ADDRESS (sym); | |
08be3fe3 | 4524 | result->pspace = SYMTAB_PSPACE (result->symtab); |
f8eba3c6 TT |
4525 | result->explicit_pc = 1; |
4526 | return 1; | |
413dad4d | 4527 | } |
62853458 | 4528 | else if (funfirstline) |
dcf9f4ab | 4529 | { |
f8eba3c6 | 4530 | /* Nothing. */ |
dcf9f4ab | 4531 | } |
62853458 TT |
4532 | else if (SYMBOL_LINE (sym) != 0) |
4533 | { | |
4534 | /* We know its line number. */ | |
51abb421 | 4535 | *result = {}; |
08be3fe3 | 4536 | result->symtab = symbol_symtab (sym); |
06871ae8 | 4537 | result->symbol = sym; |
f8eba3c6 | 4538 | result->line = SYMBOL_LINE (sym); |
e5f25bc5 | 4539 | result->pc = SYMBOL_VALUE_ADDRESS (sym); |
08be3fe3 | 4540 | result->pspace = SYMTAB_PSPACE (result->symtab); |
f8eba3c6 | 4541 | return 1; |
62853458 | 4542 | } |
413dad4d | 4543 | } |
f8eba3c6 TT |
4544 | |
4545 | return 0; | |
413dad4d | 4546 | } |
50641945 | 4547 | |
16e802b9 | 4548 | linespec_result::~linespec_result () |
f8eba3c6 | 4549 | { |
6c5b2ebe PA |
4550 | for (linespec_sals &lsal : lsals) |
4551 | xfree (lsal.canonical); | |
7efd8fc2 | 4552 | } |
87f0e720 KS |
4553 | |
4554 | /* Return the quote characters permitted by the linespec parser. */ | |
4555 | ||
4556 | const char * | |
4557 | get_gdb_linespec_parser_quote_characters (void) | |
4558 | { | |
4559 | return linespec_quote_characters; | |
4560 | } |