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c906108c | 1 | /* Multiple source language support for GDB. |
1bac305b | 2 | |
213516ef | 3 | Copyright (C) 1991-2023 Free Software Foundation, Inc. |
1bac305b | 4 | |
c906108c SS |
5 | Contributed by the Department of Computer Science at the State University |
6 | of New York at Buffalo. | |
7 | ||
c5aa993b | 8 | This file is part of GDB. |
c906108c | 9 | |
c5aa993b JM |
10 | This program is free software; you can redistribute it and/or modify |
11 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 13 | (at your option) any later version. |
c906108c | 14 | |
c5aa993b JM |
15 | This program is distributed in the hope that it will be useful, |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
c906108c | 19 | |
c5aa993b | 20 | You should have received a copy of the GNU General Public License |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
22 | |
23 | /* This file contains functions that return things that are specific | |
24 | to languages. Each function should examine current_language if necessary, | |
1777feb0 | 25 | and return the appropriate result. */ |
c906108c SS |
26 | |
27 | /* FIXME: Most of these would be better organized as macros which | |
28 | return data out of a "language-specific" struct pointer that is set | |
29 | whenever the working language changes. That would be a lot faster. */ | |
30 | ||
31 | #include "defs.h" | |
32 | #include <ctype.h> | |
c906108c SS |
33 | #include "symtab.h" |
34 | #include "gdbtypes.h" | |
35 | #include "value.h" | |
36 | #include "gdbcmd.h" | |
c906108c SS |
37 | #include "expression.h" |
38 | #include "language.h" | |
a53b64ea | 39 | #include "varobj.h" |
c906108c SS |
40 | #include "target.h" |
41 | #include "parser-defs.h" | |
9a3d7dfd | 42 | #include "demangle.h" |
8b60591b | 43 | #include "symfile.h" |
8de20a37 | 44 | #include "cp-support.h" |
06096720 | 45 | #include "frame.h" |
43cc5389 | 46 | #include "c-lang.h" |
47e77640 | 47 | #include <algorithm> |
0d12e84c | 48 | #include "gdbarch.h" |
c906108c | 49 | |
a451cb65 | 50 | static void set_range_case (void); |
c906108c | 51 | |
efdf6a73 AB |
52 | /* range_mode == |
53 | range_mode_auto: range_check set automatically to default of language. | |
54 | range_mode_manual: range_check set manually by user. */ | |
55 | ||
56 | enum range_mode | |
57 | { | |
58 | range_mode_auto, range_mode_manual | |
59 | }; | |
60 | ||
0d201fa4 AB |
61 | /* case_mode == |
62 | case_mode_auto: case_sensitivity set upon selection of scope. | |
63 | case_mode_manual: case_sensitivity set only by user. */ | |
64 | ||
65 | enum case_mode | |
66 | { | |
67 | case_mode_auto, case_mode_manual | |
68 | }; | |
69 | ||
c906108c | 70 | /* The current (default at startup) state of type and range checking. |
c5aa993b JM |
71 | (If the modes are set to "auto", though, these are changed based |
72 | on the default language at startup, and then again based on the | |
73 | language of the first source file. */ | |
c906108c | 74 | |
efdf6a73 | 75 | static enum range_mode range_mode = range_mode_auto; |
c906108c | 76 | enum range_check range_check = range_check_off; |
0d201fa4 | 77 | static enum case_mode case_mode = case_mode_auto; |
63872f9d | 78 | enum case_sensitivity case_sensitivity = case_sensitive_on; |
c906108c | 79 | |
1777feb0 | 80 | /* The current language and language_mode (see language.h). */ |
c906108c | 81 | |
0874fd07 | 82 | const struct language_defn *current_language = nullptr; |
c906108c SS |
83 | enum language_mode language_mode = language_mode_auto; |
84 | ||
85 | /* The language that the user expects to be typing in (the language | |
86 | of main(), or the last language we notified them about, or C). */ | |
87 | ||
88 | const struct language_defn *expected_language; | |
89 | ||
0874fd07 AB |
90 | /* Define the array containing all languages. */ |
91 | ||
92 | const struct language_defn *language_defn::languages[nr_languages]; | |
c906108c | 93 | |
814fa4f6 | 94 | /* The current values of the "set language/range/case-sensitive" enum |
b84aa90a PA |
95 | commands. */ |
96 | static const char *language; | |
b84aa90a PA |
97 | static const char *range; |
98 | static const char *case_sensitive; | |
c906108c | 99 | |
34916edc CB |
100 | /* See language.h. */ |
101 | const char lang_frame_mismatch_warn[] = | |
102 | N_("Warning: the current language does not match this frame."); | |
c906108c SS |
103 | \f |
104 | /* This page contains the functions corresponding to GDB commands | |
1777feb0 | 105 | and their helpers. */ |
c906108c SS |
106 | |
107 | /* Show command. Display a warning if the language set | |
1777feb0 | 108 | does not match the frame. */ |
c906108c | 109 | static void |
4d28ad1e AC |
110 | show_language_command (struct ui_file *file, int from_tty, |
111 | struct cmd_list_element *c, const char *value) | |
c906108c | 112 | { |
7ff38b1c | 113 | enum language flang; /* The language of the frame. */ |
c906108c | 114 | |
b84aa90a | 115 | if (language_mode == language_mode_auto) |
6cb06a8c TT |
116 | gdb_printf (file, |
117 | _("The current source language is " | |
118 | "\"auto; currently %s\".\n"), | |
119 | current_language->name ()); | |
b84aa90a | 120 | else |
6cb06a8c TT |
121 | gdb_printf (file, |
122 | _("The current source language is \"%s\".\n"), | |
123 | current_language->name ()); | |
b84aa90a | 124 | |
7ff38b1c AB |
125 | if (has_stack_frames ()) |
126 | { | |
bd2b40ac | 127 | frame_info_ptr frame; |
7ff38b1c AB |
128 | |
129 | frame = get_selected_frame (NULL); | |
130 | flang = get_frame_language (frame); | |
131 | if (flang != language_unknown | |
132 | && language_mode == language_mode_manual | |
133 | && current_language->la_language != flang) | |
6cb06a8c | 134 | gdb_printf (file, "%s\n", _(lang_frame_mismatch_warn)); |
7ff38b1c | 135 | } |
c906108c SS |
136 | } |
137 | ||
1777feb0 | 138 | /* Set command. Change the current working language. */ |
c906108c | 139 | static void |
eb4c3f4a TT |
140 | set_language_command (const char *ignore, |
141 | int from_tty, struct cmd_list_element *c) | |
c906108c | 142 | { |
7ff38b1c | 143 | enum language flang = language_unknown; |
c906108c | 144 | |
47e77640 PA |
145 | /* "local" is a synonym of "auto". */ |
146 | if (strcmp (language, "local") == 0) | |
147 | language = "auto"; | |
148 | ||
c906108c | 149 | /* Search the list of languages for a match. */ |
0874fd07 | 150 | for (const auto &lang : language_defn::languages) |
c5aa993b | 151 | { |
6f7664a9 | 152 | if (strcmp (lang->name (), language) == 0) |
c5aa993b JM |
153 | { |
154 | /* Found it! Go into manual mode, and use this language. */ | |
47e77640 | 155 | if (lang->la_language == language_auto) |
c5aa993b | 156 | { |
8b60591b | 157 | /* Enter auto mode. Set to the current frame's language, if |
dda83cd7 | 158 | known, or fallback to the initial language. */ |
c5aa993b | 159 | language_mode = language_mode_auto; |
a70b8144 | 160 | try |
7ff38b1c | 161 | { |
bd2b40ac | 162 | frame_info_ptr frame; |
7ff38b1c AB |
163 | |
164 | frame = get_selected_frame (NULL); | |
165 | flang = get_frame_language (frame); | |
166 | } | |
230d2906 | 167 | catch (const gdb_exception_error &ex) |
7ff38b1c AB |
168 | { |
169 | flang = language_unknown; | |
170 | } | |
7ff38b1c | 171 | |
c5aa993b JM |
172 | if (flang != language_unknown) |
173 | set_language (flang); | |
8b60591b JB |
174 | else |
175 | set_initial_language (); | |
c5aa993b JM |
176 | expected_language = current_language; |
177 | return; | |
178 | } | |
179 | else | |
180 | { | |
181 | /* Enter manual mode. Set the specified language. */ | |
182 | language_mode = language_mode_manual; | |
47e77640 | 183 | current_language = lang; |
a451cb65 | 184 | set_range_case (); |
c5aa993b JM |
185 | expected_language = current_language; |
186 | return; | |
187 | } | |
188 | } | |
c906108c | 189 | } |
c906108c | 190 | |
f34652de | 191 | internal_error ("Couldn't find language `%s' in known languages list.", |
b84aa90a | 192 | language); |
c906108c SS |
193 | } |
194 | ||
c906108c | 195 | /* Show command. Display a warning if the range setting does |
1777feb0 | 196 | not match the current language. */ |
c906108c | 197 | static void |
4d28ad1e AC |
198 | show_range_command (struct ui_file *file, int from_tty, |
199 | struct cmd_list_element *c, const char *value) | |
c906108c | 200 | { |
b84aa90a PA |
201 | if (range_mode == range_mode_auto) |
202 | { | |
a121b7c1 | 203 | const char *tmp; |
b84aa90a PA |
204 | |
205 | switch (range_check) | |
206 | { | |
207 | case range_check_on: | |
208 | tmp = "on"; | |
209 | break; | |
210 | case range_check_off: | |
211 | tmp = "off"; | |
212 | break; | |
213 | case range_check_warn: | |
214 | tmp = "warn"; | |
215 | break; | |
216 | default: | |
f34652de | 217 | internal_error ("Unrecognized range check setting."); |
b84aa90a PA |
218 | } |
219 | ||
6cb06a8c TT |
220 | gdb_printf (file, |
221 | _("Range checking is \"auto; currently %s\".\n"), | |
222 | tmp); | |
b84aa90a PA |
223 | } |
224 | else | |
6cb06a8c TT |
225 | gdb_printf (file, _("Range checking is \"%s\".\n"), |
226 | value); | |
b84aa90a | 227 | |
efdf6a73 AB |
228 | if (range_check == range_check_warn |
229 | || ((range_check == range_check_on) | |
230 | != current_language->range_checking_on_by_default ())) | |
b84aa90a PA |
231 | warning (_("the current range check setting " |
232 | "does not match the language.\n")); | |
c906108c SS |
233 | } |
234 | ||
1777feb0 | 235 | /* Set command. Change the setting for range checking. */ |
c906108c | 236 | static void |
eb4c3f4a TT |
237 | set_range_command (const char *ignore, |
238 | int from_tty, struct cmd_list_element *c) | |
c906108c | 239 | { |
6314a349 | 240 | if (strcmp (range, "on") == 0) |
c5aa993b | 241 | { |
c906108c SS |
242 | range_check = range_check_on; |
243 | range_mode = range_mode_manual; | |
c5aa993b | 244 | } |
6314a349 | 245 | else if (strcmp (range, "warn") == 0) |
c5aa993b | 246 | { |
c906108c SS |
247 | range_check = range_check_warn; |
248 | range_mode = range_mode_manual; | |
c5aa993b | 249 | } |
6314a349 | 250 | else if (strcmp (range, "off") == 0) |
c5aa993b | 251 | { |
c906108c SS |
252 | range_check = range_check_off; |
253 | range_mode = range_mode_manual; | |
c5aa993b | 254 | } |
6314a349 | 255 | else if (strcmp (range, "auto") == 0) |
c5aa993b | 256 | { |
c906108c | 257 | range_mode = range_mode_auto; |
a451cb65 | 258 | set_range_case (); |
c906108c | 259 | return; |
c5aa993b | 260 | } |
c4093a6a JM |
261 | else |
262 | { | |
f34652de | 263 | internal_error (_("Unrecognized range check setting: \"%s\""), range); |
c4093a6a | 264 | } |
efdf6a73 AB |
265 | if (range_check == range_check_warn |
266 | || ((range_check == range_check_on) | |
267 | != current_language->range_checking_on_by_default ())) | |
b84aa90a PA |
268 | warning (_("the current range check setting " |
269 | "does not match the language.\n")); | |
c906108c SS |
270 | } |
271 | ||
63872f9d | 272 | /* Show command. Display a warning if the case sensitivity setting does |
1777feb0 | 273 | not match the current language. */ |
63872f9d | 274 | static void |
4d28ad1e AC |
275 | show_case_command (struct ui_file *file, int from_tty, |
276 | struct cmd_list_element *c, const char *value) | |
63872f9d | 277 | { |
b84aa90a PA |
278 | if (case_mode == case_mode_auto) |
279 | { | |
a121b7c1 | 280 | const char *tmp = NULL; |
b84aa90a PA |
281 | |
282 | switch (case_sensitivity) | |
283 | { | |
284 | case case_sensitive_on: | |
285 | tmp = "on"; | |
286 | break; | |
287 | case case_sensitive_off: | |
288 | tmp = "off"; | |
289 | break; | |
290 | default: | |
f34652de | 291 | internal_error ("Unrecognized case-sensitive setting."); |
b84aa90a PA |
292 | } |
293 | ||
6cb06a8c TT |
294 | gdb_printf (file, |
295 | _("Case sensitivity in " | |
296 | "name search is \"auto; currently %s\".\n"), | |
297 | tmp); | |
b84aa90a PA |
298 | } |
299 | else | |
6cb06a8c TT |
300 | gdb_printf (file, |
301 | _("Case sensitivity in name search is \"%s\".\n"), | |
302 | value); | |
b84aa90a | 303 | |
0d201fa4 | 304 | if (case_sensitivity != current_language->case_sensitivity ()) |
b84aa90a PA |
305 | warning (_("the current case sensitivity setting does not match " |
306 | "the language.\n")); | |
63872f9d JG |
307 | } |
308 | ||
591e78ff MK |
309 | /* Set command. Change the setting for case sensitivity. */ |
310 | ||
63872f9d | 311 | static void |
eb4c3f4a | 312 | set_case_command (const char *ignore, int from_tty, struct cmd_list_element *c) |
63872f9d | 313 | { |
591e78ff MK |
314 | if (strcmp (case_sensitive, "on") == 0) |
315 | { | |
316 | case_sensitivity = case_sensitive_on; | |
317 | case_mode = case_mode_manual; | |
318 | } | |
319 | else if (strcmp (case_sensitive, "off") == 0) | |
320 | { | |
321 | case_sensitivity = case_sensitive_off; | |
322 | case_mode = case_mode_manual; | |
323 | } | |
324 | else if (strcmp (case_sensitive, "auto") == 0) | |
325 | { | |
326 | case_mode = case_mode_auto; | |
a451cb65 | 327 | set_range_case (); |
591e78ff MK |
328 | return; |
329 | } | |
63872f9d | 330 | else |
591e78ff | 331 | { |
f34652de | 332 | internal_error ("Unrecognized case-sensitive setting: \"%s\"", |
b84aa90a | 333 | case_sensitive); |
591e78ff | 334 | } |
b84aa90a | 335 | |
0d201fa4 | 336 | if (case_sensitivity != current_language->case_sensitivity ()) |
b84aa90a PA |
337 | warning (_("the current case sensitivity setting does not match " |
338 | "the language.\n")); | |
63872f9d JG |
339 | } |
340 | ||
341 | /* Set the status of range and type checking and case sensitivity based on | |
c906108c SS |
342 | the current modes and the current language. |
343 | If SHOW is non-zero, then print out the current language, | |
1777feb0 | 344 | type and range checking status. */ |
c906108c | 345 | static void |
a451cb65 | 346 | set_range_case (void) |
c906108c | 347 | { |
c906108c | 348 | if (range_mode == range_mode_auto) |
efdf6a73 AB |
349 | range_check = (current_language->range_checking_on_by_default () |
350 | ? range_check_on : range_check_off); | |
c906108c | 351 | |
63872f9d | 352 | if (case_mode == case_mode_auto) |
0d201fa4 | 353 | case_sensitivity = current_language->case_sensitivity (); |
c906108c SS |
354 | } |
355 | ||
1777feb0 MS |
356 | /* Set current language to (enum language) LANG. Returns previous |
357 | language. */ | |
c906108c SS |
358 | |
359 | enum language | |
fba45db2 | 360 | set_language (enum language lang) |
c906108c | 361 | { |
c906108c SS |
362 | enum language prev_language; |
363 | ||
364 | prev_language = current_language->la_language; | |
0874fd07 | 365 | current_language = language_def (lang); |
47e77640 | 366 | set_range_case (); |
c906108c SS |
367 | return prev_language; |
368 | } | |
369 | \f | |
c906108c | 370 | |
9f67fc59 | 371 | /* See language.h. */ |
c906108c SS |
372 | |
373 | void | |
9f67fc59 | 374 | language_info () |
c906108c | 375 | { |
9f67fc59 | 376 | if (expected_language == current_language) |
c906108c SS |
377 | return; |
378 | ||
379 | expected_language = current_language; | |
6cb06a8c | 380 | gdb_printf (_("Current language: %s\n"), language); |
5220f61a | 381 | show_language_command (gdb_stdout, 1, NULL, NULL); |
c906108c SS |
382 | } |
383 | \f | |
c906108c SS |
384 | /* This page contains functions for the printing out of |
385 | error messages that occur during type- and range- | |
1777feb0 | 386 | checking. */ |
c906108c | 387 | |
a451cb65 | 388 | /* This is called when a language fails a range-check. The |
ddfe3c15 | 389 | first argument should be a printf()-style format string, and the |
a451cb65 KS |
390 | rest of the arguments should be its arguments. If range_check is |
391 | range_check_on, an error is printed; if range_check_warn, a warning; | |
392 | otherwise just the message. */ | |
c906108c SS |
393 | |
394 | void | |
ddfe3c15 | 395 | range_error (const char *string,...) |
c906108c | 396 | { |
c5aa993b | 397 | va_list args; |
c906108c | 398 | |
e0881a8e | 399 | va_start (args, string); |
ddfe3c15 AC |
400 | switch (range_check) |
401 | { | |
402 | case range_check_warn: | |
403 | vwarning (string, args); | |
404 | break; | |
405 | case range_check_on: | |
406 | verror (string, args); | |
407 | break; | |
408 | case range_check_off: | |
409 | /* FIXME: cagney/2002-01-30: Should this function print anything | |
dda83cd7 | 410 | when range error is off? */ |
19a7b8ab | 411 | gdb_vprintf (gdb_stderr, string, args); |
6cb06a8c | 412 | gdb_printf (gdb_stderr, "\n"); |
ddfe3c15 AC |
413 | break; |
414 | default: | |
f34652de | 415 | internal_error (_("bad switch")); |
ddfe3c15 | 416 | } |
c5aa993b | 417 | va_end (args); |
c906108c | 418 | } |
c906108c | 419 | \f |
c5aa993b | 420 | |
1777feb0 | 421 | /* This page contains miscellaneous functions. */ |
c906108c | 422 | |
1777feb0 | 423 | /* Return the language enum for a given language string. */ |
c906108c SS |
424 | |
425 | enum language | |
2039bd9f | 426 | language_enum (const char *str) |
c906108c | 427 | { |
0874fd07 | 428 | for (const auto &lang : language_defn::languages) |
6f7664a9 | 429 | if (strcmp (lang->name (), str) == 0) |
47e77640 | 430 | return lang->la_language; |
c906108c | 431 | |
47e77640 PA |
432 | if (strcmp (str, "local") == 0) |
433 | return language_auto; | |
c906108c SS |
434 | |
435 | return language_unknown; | |
436 | } | |
437 | ||
1777feb0 | 438 | /* Return the language struct for a given language enum. */ |
c906108c SS |
439 | |
440 | const struct language_defn * | |
fba45db2 | 441 | language_def (enum language lang) |
c906108c | 442 | { |
0874fd07 AB |
443 | const struct language_defn *l = language_defn::languages[lang]; |
444 | gdb_assert (l != nullptr); | |
445 | return l; | |
c906108c SS |
446 | } |
447 | ||
1777feb0 | 448 | /* Return the language as a string. */ |
47e77640 | 449 | |
27cd387b | 450 | const char * |
fba45db2 | 451 | language_str (enum language lang) |
c906108c | 452 | { |
6f7664a9 | 453 | return language_def (lang)->name (); |
c906108c SS |
454 | } |
455 | ||
c906108c | 456 | \f |
c906108c | 457 | |
47e77640 | 458 | /* Build and install the "set language LANG" command. */ |
b84aa90a | 459 | |
47e77640 PA |
460 | static void |
461 | add_set_language_command () | |
462 | { | |
463 | static const char **language_names; | |
c906108c | 464 | |
47e77640 PA |
465 | /* Build the language names array, to be used as enumeration in the |
466 | "set language" enum command. +1 for "local" and +1 for NULL | |
467 | termination. */ | |
0874fd07 | 468 | language_names = new const char *[ARRAY_SIZE (language_defn::languages) + 2]; |
47e77640 PA |
469 | |
470 | /* Display "auto", "local" and "unknown" first, and then the rest, | |
471 | alpha sorted. */ | |
472 | const char **language_names_p = language_names; | |
dedb7102 TT |
473 | language = language_def (language_auto)->name (); |
474 | *language_names_p++ = language; | |
47e77640 | 475 | *language_names_p++ = "local"; |
6f7664a9 | 476 | *language_names_p++ = language_def (language_unknown)->name (); |
47e77640 | 477 | const char **sort_begin = language_names_p; |
0874fd07 | 478 | for (const auto &lang : language_defn::languages) |
c906108c | 479 | { |
47e77640 PA |
480 | /* Already handled above. */ |
481 | if (lang->la_language == language_auto | |
482 | || lang->la_language == language_unknown) | |
483 | continue; | |
6f7664a9 | 484 | *language_names_p++ = lang->name (); |
c906108c | 485 | } |
47e77640 PA |
486 | *language_names_p = NULL; |
487 | std::sort (sort_begin, language_names_p, compare_cstrings); | |
b84aa90a | 488 | |
56618e20 | 489 | /* Add the filename extensions. */ |
0874fd07 | 490 | for (const auto &lang : language_defn::languages) |
e171d6f1 AB |
491 | for (const char * const &ext : lang->filename_extensions ()) |
492 | add_filename_language (ext, lang->la_language); | |
56618e20 | 493 | |
b84aa90a | 494 | /* Build the "help set language" docs. */ |
d7e74731 | 495 | string_file doc; |
b84aa90a | 496 | |
d7e74731 PA |
497 | doc.printf (_("Set the current source language.\n" |
498 | "The currently understood settings are:\n\nlocal or " | |
89549d7f | 499 | "auto Automatic setting based on source file")); |
b84aa90a | 500 | |
0874fd07 | 501 | for (const auto &lang : language_defn::languages) |
b84aa90a PA |
502 | { |
503 | /* Already dealt with these above. */ | |
47e77640 PA |
504 | if (lang->la_language == language_unknown |
505 | || lang->la_language == language_auto) | |
b84aa90a PA |
506 | continue; |
507 | ||
89549d7f TT |
508 | /* Note that we add the newline at the front, so we don't wind |
509 | up with a trailing newline. */ | |
6f7664a9 AB |
510 | doc.printf ("\n%-16s Use the %s language", |
511 | lang->name (), | |
512 | lang->natural_name ()); | |
b84aa90a PA |
513 | } |
514 | ||
b84aa90a | 515 | add_setshow_enum_cmd ("language", class_support, |
47e77640 | 516 | language_names, |
b84aa90a | 517 | &language, |
d7e74731 | 518 | doc.c_str (), |
3e43a32a MS |
519 | _("Show the current source language."), |
520 | NULL, set_language_command, | |
b84aa90a PA |
521 | show_language_command, |
522 | &setlist, &showlist); | |
c906108c SS |
523 | } |
524 | ||
f636b87d AF |
525 | /* Iterate through all registered languages looking for and calling |
526 | any non-NULL struct language_defn.skip_trampoline() functions. | |
527 | Return the result from the first that returns non-zero, or 0 if all | |
528 | `fail'. */ | |
529 | CORE_ADDR | |
bd2b40ac | 530 | skip_language_trampoline (frame_info_ptr frame, CORE_ADDR pc) |
f636b87d | 531 | { |
0874fd07 | 532 | for (const auto &lang : language_defn::languages) |
f636b87d | 533 | { |
f6eee2d0 | 534 | CORE_ADDR real_pc = lang->skip_trampoline (frame, pc); |
e0881a8e | 535 | |
f6eee2d0 AB |
536 | if (real_pc != 0) |
537 | return real_pc; | |
f636b87d AF |
538 | } |
539 | ||
540 | return 0; | |
541 | } | |
542 | ||
1777feb0 | 543 | /* Return demangled language symbol, or NULL. |
9a3d7dfd AF |
544 | FIXME: Options are only useful for certain languages and ignored |
545 | by others, so it would be better to remove them here and have a | |
1777feb0 | 546 | more flexible demangler for the languages that need it. |
9a3d7dfd AF |
547 | FIXME: Sometimes the demangler is invoked when we don't know the |
548 | language, so we can't use this everywhere. */ | |
3456e70c | 549 | gdb::unique_xmalloc_ptr<char> |
9a3d7dfd AF |
550 | language_demangle (const struct language_defn *current_language, |
551 | const char *mangled, int options) | |
552 | { | |
0a50df5d | 553 | if (current_language != NULL) |
5399db93 | 554 | return current_language->demangle_symbol (mangled, options); |
9a3d7dfd AF |
555 | return NULL; |
556 | } | |
557 | ||
9d084466 TBA |
558 | /* Return information about whether TYPE should be passed |
559 | (and returned) by reference at the language level. */ | |
560 | ||
561 | struct language_pass_by_ref_info | |
41f1b697 DJ |
562 | language_pass_by_reference (struct type *type) |
563 | { | |
48448202 | 564 | return current_language->pass_by_reference_info (type); |
41f1b697 DJ |
565 | } |
566 | ||
9f0a5303 JB |
567 | /* Return the default string containing the list of characters |
568 | delimiting words. This is a reasonable default value that | |
569 | most languages should be able to use. */ | |
570 | ||
67cb5b2d | 571 | const char * |
9f0a5303 JB |
572 | default_word_break_characters (void) |
573 | { | |
574 | return " \t\n!@#$%^&*()+=|~`}{[]\"';:?/>.<,-"; | |
575 | } | |
f636b87d | 576 | |
5bd40f2a | 577 | /* See language.h. */ |
e79af960 JB |
578 | |
579 | void | |
5bd40f2a AB |
580 | language_defn::print_array_index (struct type *index_type, LONGEST index, |
581 | struct ui_file *stream, | |
582 | const value_print_options *options) const | |
e79af960 | 583 | { |
53a47a3e TT |
584 | struct value *index_value = value_from_longest (index_type, index); |
585 | ||
6cb06a8c | 586 | gdb_printf (stream, "["); |
00c696a6 | 587 | value_print (index_value, stream, options); |
6cb06a8c | 588 | gdb_printf (stream, "] = "); |
e79af960 JB |
589 | } |
590 | ||
f16a9f57 AB |
591 | /* See language.h. */ |
592 | ||
593 | gdb::unique_xmalloc_ptr<char> | |
594 | language_defn::watch_location_expression (struct type *type, | |
595 | CORE_ADDR addr) const | |
596 | { | |
597 | /* Generates an expression that assumes a C like syntax is valid. */ | |
27710edb | 598 | type = check_typedef (check_typedef (type)->target_type ()); |
f16a9f57 | 599 | std::string name = type_to_string (type); |
8579fd13 | 600 | return xstrprintf ("* (%s *) %s", name.c_str (), core_addr_to_string (addr)); |
f16a9f57 AB |
601 | } |
602 | ||
a1d1fa3e AB |
603 | /* See language.h. */ |
604 | ||
605 | void | |
606 | language_defn::value_print (struct value *val, struct ui_file *stream, | |
607 | const struct value_print_options *options) const | |
608 | { | |
609 | return c_value_print (val, stream, options); | |
610 | } | |
611 | ||
ebe2334e AB |
612 | /* See language.h. */ |
613 | ||
87afa652 AB |
614 | int |
615 | language_defn::parser (struct parser_state *ps) const | |
616 | { | |
617 | return c_parse (ps); | |
618 | } | |
619 | ||
620 | /* See language.h. */ | |
621 | ||
ebe2334e AB |
622 | void |
623 | language_defn::value_print_inner | |
624 | (struct value *val, struct ui_file *stream, int recurse, | |
625 | const struct value_print_options *options) const | |
626 | { | |
627 | return c_value_print_inner (val, stream, recurse, options); | |
628 | } | |
629 | ||
ec8cec5b AB |
630 | /* See language.h. */ |
631 | ||
4ffc13fb AB |
632 | void |
633 | language_defn::print_typedef (struct type *type, struct symbol *new_symbol, | |
634 | struct ui_file *stream) const | |
635 | { | |
636 | c_print_typedef (type, new_symbol, stream); | |
637 | } | |
638 | ||
39e7ecca AB |
639 | /* See language.h. */ |
640 | ||
641 | bool | |
642 | language_defn::is_string_type_p (struct type *type) const | |
643 | { | |
644 | return c_is_string_type_p (type); | |
645 | } | |
646 | ||
bdfea17e TT |
647 | /* See language.h. */ |
648 | ||
649 | std::unique_ptr<compile_instance> | |
650 | language_defn::get_compile_instance () const | |
651 | { | |
652 | return {}; | |
653 | } | |
654 | ||
c9debfb9 AB |
655 | /* The default implementation of the get_symbol_name_matcher_inner method |
656 | from the language_defn class. Matches with strncmp_iw. */ | |
b5ec771e | 657 | |
c9debfb9 | 658 | static bool |
b5ec771e PA |
659 | default_symbol_name_matcher (const char *symbol_search_name, |
660 | const lookup_name_info &lookup_name, | |
a207cff2 | 661 | completion_match_result *comp_match_res) |
b5ec771e | 662 | { |
e0802d59 | 663 | gdb::string_view name = lookup_name.name (); |
bd69330d PA |
664 | completion_match_for_lcd *match_for_lcd |
665 | = (comp_match_res != NULL ? &comp_match_res->match_for_lcd : NULL); | |
b5ec771e PA |
666 | strncmp_iw_mode mode = (lookup_name.completion_mode () |
667 | ? strncmp_iw_mode::NORMAL | |
668 | : strncmp_iw_mode::MATCH_PARAMS); | |
669 | ||
e0802d59 | 670 | if (strncmp_iw_with_mode (symbol_search_name, name.data (), name.size (), |
bd69330d | 671 | mode, language_minimal, match_for_lcd) == 0) |
b5ec771e | 672 | { |
a207cff2 PA |
673 | if (comp_match_res != NULL) |
674 | comp_match_res->set_match (symbol_search_name); | |
b5ec771e PA |
675 | return true; |
676 | } | |
677 | else | |
678 | return false; | |
679 | } | |
680 | ||
681 | /* See language.h. */ | |
682 | ||
c9debfb9 AB |
683 | symbol_name_matcher_ftype * |
684 | language_defn::get_symbol_name_matcher | |
685 | (const lookup_name_info &lookup_name) const | |
686 | { | |
687 | /* If currently in Ada mode, and the lookup name is wrapped in | |
688 | '<...>', hijack all symbol name comparisons using the Ada | |
689 | matcher, which handles the verbatim matching. */ | |
690 | if (current_language->la_language == language_ada | |
691 | && lookup_name.ada ().verbatim_p ()) | |
692 | return current_language->get_symbol_name_matcher_inner (lookup_name); | |
693 | ||
694 | return this->get_symbol_name_matcher_inner (lookup_name); | |
695 | } | |
696 | ||
697 | /* See language.h. */ | |
698 | ||
699 | symbol_name_matcher_ftype * | |
700 | language_defn::get_symbol_name_matcher_inner | |
701 | (const lookup_name_info &lookup_name) const | |
702 | { | |
703 | return default_symbol_name_matcher; | |
704 | } | |
705 | ||
b63a3f3f AB |
706 | /* See language.h. */ |
707 | ||
708 | const struct lang_varobj_ops * | |
709 | language_defn::varobj_ops () const | |
710 | { | |
711 | /* The ops for the C language are suitable for the vast majority of the | |
712 | supported languages. */ | |
713 | return &c_varobj_ops; | |
714 | } | |
715 | ||
b01175fc AB |
716 | /* Parent class for both the "auto" and "unknown" languages. These two |
717 | pseudo-languages are very similar so merging their implementations like | |
718 | this makes sense. */ | |
c9debfb9 | 719 | |
b01175fc | 720 | class auto_or_unknown_language : public language_defn |
0874fd07 AB |
721 | { |
722 | public: | |
b01175fc AB |
723 | auto_or_unknown_language (enum language lang) |
724 | : language_defn (lang) | |
0874fd07 | 725 | { /* Nothing. */ } |
1fb314aa AB |
726 | |
727 | /* See language.h. */ | |
728 | void language_arch_info (struct gdbarch *gdbarch, | |
729 | struct language_arch_info *lai) const override | |
730 | { | |
7bea47f0 AB |
731 | lai->set_string_char_type (builtin_type (gdbarch)->builtin_char); |
732 | lai->set_bool_type (builtin_type (gdbarch)->builtin_int); | |
1fb314aa | 733 | } |
fbfb0a46 AB |
734 | |
735 | /* See language.h. */ | |
736 | ||
737 | void print_type (struct type *type, const char *varstring, | |
738 | struct ui_file *stream, int show, int level, | |
739 | const struct type_print_options *flags) const override | |
740 | { | |
b01175fc AB |
741 | error (_("type printing not implemented for language \"%s\""), |
742 | natural_name ()); | |
fbfb0a46 | 743 | } |
0a50df5d AB |
744 | |
745 | /* See language.h. */ | |
746 | ||
3456e70c TT |
747 | gdb::unique_xmalloc_ptr<char> demangle_symbol (const char *mangled, |
748 | int options) const override | |
0a50df5d | 749 | { |
b01175fc | 750 | /* The auto language just uses the C++ demangler. */ |
0a50df5d AB |
751 | return gdb_demangle (mangled, options); |
752 | } | |
a1d1fa3e AB |
753 | |
754 | /* See language.h. */ | |
755 | ||
756 | void value_print (struct value *val, struct ui_file *stream, | |
757 | const struct value_print_options *options) const override | |
758 | { | |
b01175fc AB |
759 | error (_("value printing not implemented for language \"%s\""), |
760 | natural_name ()); | |
a1d1fa3e | 761 | } |
ebe2334e AB |
762 | |
763 | /* See language.h. */ | |
764 | ||
765 | void value_print_inner | |
766 | (struct value *val, struct ui_file *stream, int recurse, | |
767 | const struct value_print_options *options) const override | |
768 | { | |
b01175fc AB |
769 | error (_("inner value printing not implemented for language \"%s\""), |
770 | natural_name ()); | |
ebe2334e | 771 | } |
87afa652 AB |
772 | |
773 | /* See language.h. */ | |
774 | ||
775 | int parser (struct parser_state *ps) const override | |
776 | { | |
dcd482c1 TT |
777 | error (_("expression parsing not implemented for language \"%s\""), |
778 | natural_name ()); | |
87afa652 | 779 | } |
ec8cec5b AB |
780 | |
781 | /* See language.h. */ | |
782 | ||
783 | void emitchar (int ch, struct type *chtype, | |
784 | struct ui_file *stream, int quoter) const override | |
785 | { | |
b01175fc AB |
786 | error (_("emit character not implemented for language \"%s\""), |
787 | natural_name ()); | |
ec8cec5b | 788 | } |
52b50f2c AB |
789 | |
790 | /* See language.h. */ | |
791 | ||
792 | void printchar (int ch, struct type *chtype, | |
793 | struct ui_file *stream) const override | |
794 | { | |
b01175fc AB |
795 | error (_("print character not implemented for language \"%s\""), |
796 | natural_name ()); | |
52b50f2c | 797 | } |
d711ee67 AB |
798 | |
799 | /* See language.h. */ | |
800 | ||
801 | void printstr (struct ui_file *stream, struct type *elttype, | |
802 | const gdb_byte *string, unsigned int length, | |
803 | const char *encoding, int force_ellipses, | |
804 | const struct value_print_options *options) const override | |
805 | { | |
b01175fc AB |
806 | error (_("print string not implemented for language \"%s\""), |
807 | natural_name ()); | |
d711ee67 | 808 | } |
4ffc13fb AB |
809 | |
810 | /* See language.h. */ | |
811 | ||
812 | void print_typedef (struct type *type, struct symbol *new_symbol, | |
813 | struct ui_file *stream) const override | |
814 | { | |
b01175fc AB |
815 | error (_("print typedef not implemented for language \"%s\""), |
816 | natural_name ()); | |
4ffc13fb | 817 | } |
39e7ecca AB |
818 | |
819 | /* See language.h. */ | |
820 | ||
821 | bool is_string_type_p (struct type *type) const override | |
822 | { | |
b01175fc AB |
823 | type = check_typedef (type); |
824 | while (type->code () == TYPE_CODE_REF) | |
825 | { | |
27710edb | 826 | type = type->target_type (); |
b01175fc AB |
827 | type = check_typedef (type); |
828 | } | |
829 | return (type->code () == TYPE_CODE_STRING); | |
39e7ecca | 830 | } |
5bae7c4e AB |
831 | |
832 | /* See language.h. */ | |
833 | ||
834 | const char *name_of_this () const override | |
835 | { return "this"; } | |
b01175fc | 836 | }; |
0874fd07 | 837 | |
0874fd07 AB |
838 | /* Class representing the fake "auto" language. */ |
839 | ||
b01175fc | 840 | class auto_language : public auto_or_unknown_language |
0874fd07 AB |
841 | { |
842 | public: | |
843 | auto_language () | |
b01175fc | 844 | : auto_or_unknown_language (language_auto) |
0874fd07 | 845 | { /* Nothing. */ } |
1fb314aa | 846 | |
6f7664a9 AB |
847 | /* See language.h. */ |
848 | ||
849 | const char *name () const override | |
850 | { return "auto"; } | |
851 | ||
852 | /* See language.h. */ | |
853 | ||
854 | const char *natural_name () const override | |
855 | { return "Auto"; } | |
b01175fc | 856 | }; |
6f7664a9 | 857 | |
b01175fc | 858 | /* Single instance of the fake "auto" language. */ |
d711ee67 | 859 | |
b01175fc | 860 | static auto_language auto_language_defn; |
4ffc13fb | 861 | |
b01175fc | 862 | /* Class representing the unknown language. */ |
4ffc13fb | 863 | |
b01175fc AB |
864 | class unknown_language : public auto_or_unknown_language |
865 | { | |
866 | public: | |
867 | unknown_language () | |
868 | : auto_or_unknown_language (language_unknown) | |
869 | { /* Nothing. */ } | |
39e7ecca AB |
870 | |
871 | /* See language.h. */ | |
872 | ||
b01175fc AB |
873 | const char *name () const override |
874 | { return "unknown"; } | |
5bae7c4e AB |
875 | |
876 | /* See language.h. */ | |
877 | ||
b01175fc AB |
878 | const char *natural_name () const override |
879 | { return "Unknown"; } | |
b7c6e27d AB |
880 | |
881 | /* See language.h. */ | |
882 | ||
b01175fc AB |
883 | bool store_sym_names_in_linkage_form_p () const override |
884 | { return true; } | |
0874fd07 AB |
885 | }; |
886 | ||
b01175fc | 887 | /* Single instance of the unknown language class. */ |
0874fd07 | 888 | |
b01175fc | 889 | static unknown_language unknown_language_defn; |
0874fd07 | 890 | |
c906108c | 891 | \f |
f290d38e AC |
892 | /* Per-architecture language information. */ |
893 | ||
f290d38e AC |
894 | struct language_gdbarch |
895 | { | |
896 | /* A vector of per-language per-architecture info. Indexed by "enum | |
897 | language". */ | |
99c90269 | 898 | struct language_arch_info arch_info[nr_languages]; |
f290d38e AC |
899 | }; |
900 | ||
cb275538 TT |
901 | static const registry<gdbarch>::key<language_gdbarch> language_gdbarch_data; |
902 | ||
903 | static language_gdbarch * | |
904 | get_language_gdbarch (struct gdbarch *gdbarch) | |
f290d38e | 905 | { |
cb275538 TT |
906 | struct language_gdbarch *l = language_gdbarch_data.get (gdbarch); |
907 | if (l == nullptr) | |
1fb314aa | 908 | { |
cb275538 TT |
909 | l = new struct language_gdbarch; |
910 | for (const auto &lang : language_defn::languages) | |
911 | { | |
912 | gdb_assert (lang != nullptr); | |
913 | lang->language_arch_info (gdbarch, &l->arch_info[lang->la_language]); | |
914 | } | |
915 | language_gdbarch_data.set (gdbarch, l); | |
1fb314aa | 916 | } |
47e77640 | 917 | |
f290d38e AC |
918 | return l; |
919 | } | |
920 | ||
7bea47f0 AB |
921 | /* See language.h. */ |
922 | ||
f290d38e AC |
923 | struct type * |
924 | language_string_char_type (const struct language_defn *la, | |
925 | struct gdbarch *gdbarch) | |
926 | { | |
cb275538 | 927 | struct language_gdbarch *ld = get_language_gdbarch (gdbarch); |
7bea47f0 | 928 | return ld->arch_info[la->la_language].string_char_type (); |
f290d38e AC |
929 | } |
930 | ||
7bea47f0 AB |
931 | /* See language.h. */ |
932 | ||
fbb06eb1 UW |
933 | struct type * |
934 | language_bool_type (const struct language_defn *la, | |
935 | struct gdbarch *gdbarch) | |
936 | { | |
cb275538 | 937 | struct language_gdbarch *ld = get_language_gdbarch (gdbarch); |
7bea47f0 AB |
938 | return ld->arch_info[la->la_language].bool_type (); |
939 | } | |
940 | ||
941 | /* See language.h. */ | |
fbb06eb1 | 942 | |
7bea47f0 AB |
943 | struct type * |
944 | language_arch_info::bool_type () const | |
945 | { | |
946 | if (m_bool_type_name != nullptr) | |
fbb06eb1 UW |
947 | { |
948 | struct symbol *sym; | |
e0881a8e | 949 | |
7bea47f0 AB |
950 | sym = lookup_symbol (m_bool_type_name, NULL, VAR_DOMAIN, NULL).symbol; |
951 | if (sym != nullptr) | |
fbb06eb1 | 952 | { |
5f9c5a63 | 953 | struct type *type = sym->type (); |
7bea47f0 | 954 | if (type != nullptr && type->code () == TYPE_CODE_BOOL) |
fbb06eb1 UW |
955 | return type; |
956 | } | |
957 | } | |
958 | ||
7bea47f0 | 959 | return m_bool_type_default; |
1994afbf DE |
960 | } |
961 | ||
962 | /* See language.h. */ | |
963 | ||
7bea47f0 AB |
964 | struct symbol * |
965 | language_arch_info::type_and_symbol::alloc_type_symbol | |
966 | (enum language lang, struct type *type) | |
1994afbf DE |
967 | { |
968 | struct symbol *symbol; | |
969 | struct gdbarch *gdbarch; | |
30625020 | 970 | gdb_assert (!type->is_objfile_owned ()); |
6ac37371 | 971 | gdbarch = type->arch_owner (); |
468c0cbb | 972 | symbol = new (gdbarch_obstack (gdbarch)) struct symbol (); |
7d93a1e0 | 973 | symbol->m_name = type->name (); |
d3ecddab | 974 | symbol->set_language (lang, nullptr); |
1994afbf | 975 | symbol->owner.arch = gdbarch; |
7b3ecc75 | 976 | symbol->set_is_objfile_owned (0); |
a52d653e | 977 | symbol->set_section_index (0); |
5f9c5a63 | 978 | symbol->set_type (type); |
6c9c307c | 979 | symbol->set_domain (VAR_DOMAIN); |
ba44b1a3 | 980 | symbol->set_aclass_index (LOC_TYPEDEF); |
1994afbf DE |
981 | return symbol; |
982 | } | |
983 | ||
7bea47f0 | 984 | /* See language.h. */ |
1994afbf | 985 | |
7bea47f0 AB |
986 | language_arch_info::type_and_symbol * |
987 | language_arch_info::lookup_primitive_type_and_symbol (const char *name) | |
1994afbf | 988 | { |
7bea47f0 AB |
989 | for (struct type_and_symbol &tas : primitive_types_and_symbols) |
990 | { | |
991 | if (strcmp (tas.type ()->name (), name) == 0) | |
992 | return &tas; | |
993 | } | |
1994afbf | 994 | |
7bea47f0 AB |
995 | return nullptr; |
996 | } | |
997 | ||
998 | /* See language.h. */ | |
1994afbf | 999 | |
7bea47f0 AB |
1000 | struct type * |
1001 | language_arch_info::lookup_primitive_type (const char *name) | |
1002 | { | |
1003 | type_and_symbol *tas = lookup_primitive_type_and_symbol (name); | |
1004 | if (tas != nullptr) | |
1005 | return tas->type (); | |
1006 | return nullptr; | |
1007 | } | |
1994afbf | 1008 | |
7bea47f0 | 1009 | /* See language.h. */ |
1994afbf | 1010 | |
7bea47f0 AB |
1011 | struct type * |
1012 | language_arch_info::lookup_primitive_type | |
cbbcd7a7 | 1013 | (gdb::function_view<bool (struct type *)> filter) |
7bea47f0 AB |
1014 | { |
1015 | for (struct type_and_symbol &tas : primitive_types_and_symbols) | |
1994afbf | 1016 | { |
7bea47f0 AB |
1017 | if (filter (tas.type ())) |
1018 | return tas.type (); | |
1994afbf DE |
1019 | } |
1020 | ||
7bea47f0 AB |
1021 | return nullptr; |
1022 | } | |
1023 | ||
1024 | /* See language.h. */ | |
1025 | ||
1026 | struct symbol * | |
1027 | language_arch_info::lookup_primitive_type_as_symbol (const char *name, | |
1028 | enum language lang) | |
1029 | { | |
1030 | type_and_symbol *tas = lookup_primitive_type_and_symbol (name); | |
1031 | if (tas != nullptr) | |
1032 | return tas->symbol (lang); | |
1033 | return nullptr; | |
1034 | } | |
1035 | ||
cbbcd7a7 PA |
1036 | /* Helper for the language_lookup_primitive_type overloads to forward |
1037 | to the corresponding language's lookup_primitive_type overload. */ | |
7bea47f0 AB |
1038 | |
1039 | template<typename T> | |
cbbcd7a7 PA |
1040 | static struct type * |
1041 | language_lookup_primitive_type_1 (const struct language_defn *la, | |
1042 | struct gdbarch *gdbarch, | |
1043 | T arg) | |
7bea47f0 | 1044 | { |
cb275538 | 1045 | struct language_gdbarch *ld = get_language_gdbarch (gdbarch); |
7bea47f0 | 1046 | return ld->arch_info[la->la_language].lookup_primitive_type (arg); |
1994afbf DE |
1047 | } |
1048 | ||
cbbcd7a7 | 1049 | /* See language.h. */ |
7bea47f0 | 1050 | |
cbbcd7a7 | 1051 | struct type * |
7bea47f0 AB |
1052 | language_lookup_primitive_type (const struct language_defn *la, |
1053 | struct gdbarch *gdbarch, | |
cbbcd7a7 PA |
1054 | const char *name) |
1055 | { | |
1056 | return language_lookup_primitive_type_1 (la, gdbarch, name); | |
1057 | } | |
7bea47f0 | 1058 | |
cbbcd7a7 | 1059 | /* See language.h. */ |
7bea47f0 | 1060 | |
cbbcd7a7 | 1061 | struct type * |
7bea47f0 AB |
1062 | language_lookup_primitive_type (const struct language_defn *la, |
1063 | struct gdbarch *gdbarch, | |
cbbcd7a7 PA |
1064 | gdb::function_view<bool (struct type *)> filter) |
1065 | { | |
1066 | return language_lookup_primitive_type_1 (la, gdbarch, filter); | |
1067 | } | |
7bea47f0 | 1068 | |
1994afbf DE |
1069 | /* See language.h. */ |
1070 | ||
1071 | struct symbol * | |
1072 | language_lookup_primitive_type_as_symbol (const struct language_defn *la, | |
1073 | struct gdbarch *gdbarch, | |
1074 | const char *name) | |
1075 | { | |
cb275538 | 1076 | struct language_gdbarch *ld = get_language_gdbarch (gdbarch); |
1994afbf | 1077 | struct language_arch_info *lai = &ld->arch_info[la->la_language]; |
e0881a8e | 1078 | |
b1e678d9 AB |
1079 | symbol_lookup_debug_printf |
1080 | ("language = \"%s\", gdbarch @ %s, type = \"%s\")", | |
1081 | la->name (), host_address_to_string (gdbarch), name); | |
1994afbf | 1082 | |
7bea47f0 AB |
1083 | struct symbol *sym |
1084 | = lai->lookup_primitive_type_as_symbol (name, la->la_language); | |
1994afbf | 1085 | |
b1e678d9 AB |
1086 | symbol_lookup_debug_printf ("found symbol @ %s", |
1087 | host_address_to_string (sym)); | |
7bea47f0 AB |
1088 | |
1089 | /* Note: The result of symbol lookup is normally a symbol *and* the block | |
1090 | it was found in. Builtin types don't live in blocks. We *could* give | |
1091 | them one, but there is no current need so to keep things simple symbol | |
1092 | lookup is extended to allow for BLOCK_FOUND to be NULL. */ | |
1093 | ||
1994afbf | 1094 | return sym; |
f290d38e AC |
1095 | } |
1096 | ||
1777feb0 | 1097 | /* Initialize the language routines. */ |
c906108c | 1098 | |
6c265988 | 1099 | void _initialize_language (); |
c906108c | 1100 | void |
6c265988 | 1101 | _initialize_language () |
c906108c | 1102 | { |
40478521 | 1103 | static const char *const type_or_range_names[] |
b84aa90a PA |
1104 | = { "on", "off", "warn", "auto", NULL }; |
1105 | ||
40478521 | 1106 | static const char *const case_sensitive_names[] |
b84aa90a | 1107 | = { "on", "off", "auto", NULL }; |
c5aa993b | 1108 | |
1777feb0 | 1109 | /* GDB commands for language specific stuff. */ |
c5aa993b | 1110 | |
f54bdb6d SM |
1111 | set_show_commands setshow_check_cmds |
1112 | = add_setshow_prefix_cmd ("check", no_class, | |
1113 | _("Set the status of the type/range checker."), | |
1114 | _("Show the status of the type/range checker."), | |
1115 | &setchecklist, &showchecklist, | |
1116 | &setlist, &showlist); | |
1117 | add_alias_cmd ("c", setshow_check_cmds.set, no_class, 1, &setlist); | |
1118 | add_alias_cmd ("ch", setshow_check_cmds.set, no_class, 1, &setlist); | |
1119 | add_alias_cmd ("c", setshow_check_cmds.show, no_class, 1, &showlist); | |
1120 | add_alias_cmd ("ch", setshow_check_cmds.show, no_class, 1, &showlist); | |
c5aa993b | 1121 | |
dedb7102 TT |
1122 | range = type_or_range_names[3]; |
1123 | gdb_assert (strcmp (range, "auto") == 0); | |
b84aa90a | 1124 | add_setshow_enum_cmd ("range", class_support, type_or_range_names, |
3e43a32a | 1125 | &range, |
590042fc PW |
1126 | _("Set range checking (on/warn/off/auto)."), |
1127 | _("Show range checking (on/warn/off/auto)."), | |
3e43a32a | 1128 | NULL, set_range_command, |
b84aa90a PA |
1129 | show_range_command, |
1130 | &setchecklist, &showchecklist); | |
1131 | ||
dedb7102 TT |
1132 | case_sensitive = case_sensitive_names[2]; |
1133 | gdb_assert (strcmp (case_sensitive, "auto") == 0); | |
b84aa90a PA |
1134 | add_setshow_enum_cmd ("case-sensitive", class_support, case_sensitive_names, |
1135 | &case_sensitive, _("\ | |
590042fc PW |
1136 | Set case sensitivity in name search (on/off/auto)."), _("\ |
1137 | Show case sensitivity in name search (on/off/auto)."), _("\ | |
4d28ad1e | 1138 | For Fortran the default is off; for other languages the default is on."), |
b84aa90a PA |
1139 | set_case_command, |
1140 | show_case_command, | |
1141 | &setlist, &showlist); | |
63872f9d | 1142 | |
0874fd07 AB |
1143 | /* In order to call SET_LANGUAGE (below) we need to make sure that |
1144 | CURRENT_LANGUAGE is not NULL. So first set the language to unknown, | |
1145 | then we can change the language to 'auto'. */ | |
1146 | current_language = language_def (language_unknown); | |
1147 | ||
47e77640 | 1148 | add_set_language_command (); |
c5aa993b | 1149 | |
1777feb0 | 1150 | /* Have the above take effect. */ |
63872f9d | 1151 | set_language (language_auto); |
c906108c | 1152 | } |