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c906108c | 1 | /* Multiple source language support for GDB. |
1bac305b | 2 | |
3666a048 | 3 | Copyright (C) 1991-2021 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" |
bdfea17e | 49 | #include "compile/compile-internal.h" |
c906108c | 50 | |
a451cb65 | 51 | static void set_range_case (void); |
c906108c | 52 | |
efdf6a73 AB |
53 | /* range_mode == |
54 | range_mode_auto: range_check set automatically to default of language. | |
55 | range_mode_manual: range_check set manually by user. */ | |
56 | ||
57 | enum range_mode | |
58 | { | |
59 | range_mode_auto, range_mode_manual | |
60 | }; | |
61 | ||
0d201fa4 AB |
62 | /* case_mode == |
63 | case_mode_auto: case_sensitivity set upon selection of scope. | |
64 | case_mode_manual: case_sensitivity set only by user. */ | |
65 | ||
66 | enum case_mode | |
67 | { | |
68 | case_mode_auto, case_mode_manual | |
69 | }; | |
70 | ||
c906108c | 71 | /* The current (default at startup) state of type and range checking. |
c5aa993b JM |
72 | (If the modes are set to "auto", though, these are changed based |
73 | on the default language at startup, and then again based on the | |
74 | language of the first source file. */ | |
c906108c | 75 | |
efdf6a73 | 76 | static enum range_mode range_mode = range_mode_auto; |
c906108c | 77 | enum range_check range_check = range_check_off; |
0d201fa4 | 78 | static enum case_mode case_mode = case_mode_auto; |
63872f9d | 79 | enum case_sensitivity case_sensitivity = case_sensitive_on; |
c906108c | 80 | |
1777feb0 | 81 | /* The current language and language_mode (see language.h). */ |
c906108c | 82 | |
0874fd07 | 83 | const struct language_defn *current_language = nullptr; |
c906108c SS |
84 | enum language_mode language_mode = language_mode_auto; |
85 | ||
86 | /* The language that the user expects to be typing in (the language | |
87 | of main(), or the last language we notified them about, or C). */ | |
88 | ||
89 | const struct language_defn *expected_language; | |
90 | ||
0874fd07 AB |
91 | /* Define the array containing all languages. */ |
92 | ||
93 | const struct language_defn *language_defn::languages[nr_languages]; | |
c906108c | 94 | |
814fa4f6 | 95 | /* The current values of the "set language/range/case-sensitive" enum |
b84aa90a PA |
96 | commands. */ |
97 | static const char *language; | |
b84aa90a PA |
98 | static const char *range; |
99 | static const char *case_sensitive; | |
c906108c | 100 | |
34916edc CB |
101 | /* See language.h. */ |
102 | const char lang_frame_mismatch_warn[] = | |
103 | N_("Warning: the current language does not match this frame."); | |
c906108c SS |
104 | \f |
105 | /* This page contains the functions corresponding to GDB commands | |
1777feb0 | 106 | and their helpers. */ |
c906108c SS |
107 | |
108 | /* Show command. Display a warning if the language set | |
1777feb0 | 109 | does not match the frame. */ |
c906108c | 110 | static void |
4d28ad1e AC |
111 | show_language_command (struct ui_file *file, int from_tty, |
112 | struct cmd_list_element *c, const char *value) | |
c906108c | 113 | { |
7ff38b1c | 114 | enum language flang; /* The language of the frame. */ |
c906108c | 115 | |
b84aa90a PA |
116 | if (language_mode == language_mode_auto) |
117 | fprintf_filtered (gdb_stdout, | |
118 | _("The current source language is " | |
119 | "\"auto; currently %s\".\n"), | |
6f7664a9 | 120 | current_language->name ()); |
b84aa90a | 121 | else |
3e43a32a MS |
122 | fprintf_filtered (gdb_stdout, |
123 | _("The current source language is \"%s\".\n"), | |
6f7664a9 | 124 | current_language->name ()); |
b84aa90a | 125 | |
7ff38b1c AB |
126 | if (has_stack_frames ()) |
127 | { | |
128 | struct frame_info *frame; | |
129 | ||
130 | frame = get_selected_frame (NULL); | |
131 | flang = get_frame_language (frame); | |
132 | if (flang != language_unknown | |
133 | && language_mode == language_mode_manual | |
134 | && current_language->la_language != flang) | |
34916edc | 135 | printf_filtered ("%s\n", _(lang_frame_mismatch_warn)); |
7ff38b1c | 136 | } |
c906108c SS |
137 | } |
138 | ||
1777feb0 | 139 | /* Set command. Change the current working language. */ |
c906108c | 140 | static void |
eb4c3f4a TT |
141 | set_language_command (const char *ignore, |
142 | int from_tty, struct cmd_list_element *c) | |
c906108c | 143 | { |
7ff38b1c | 144 | enum language flang = language_unknown; |
c906108c | 145 | |
47e77640 PA |
146 | /* "local" is a synonym of "auto". */ |
147 | if (strcmp (language, "local") == 0) | |
148 | language = "auto"; | |
149 | ||
c906108c | 150 | /* Search the list of languages for a match. */ |
0874fd07 | 151 | for (const auto &lang : language_defn::languages) |
c5aa993b | 152 | { |
6f7664a9 | 153 | if (strcmp (lang->name (), language) == 0) |
c5aa993b JM |
154 | { |
155 | /* Found it! Go into manual mode, and use this language. */ | |
47e77640 | 156 | if (lang->la_language == language_auto) |
c5aa993b | 157 | { |
8b60591b | 158 | /* Enter auto mode. Set to the current frame's language, if |
dda83cd7 | 159 | known, or fallback to the initial language. */ |
c5aa993b | 160 | language_mode = language_mode_auto; |
a70b8144 | 161 | try |
7ff38b1c AB |
162 | { |
163 | struct frame_info *frame; | |
164 | ||
165 | frame = get_selected_frame (NULL); | |
166 | flang = get_frame_language (frame); | |
167 | } | |
230d2906 | 168 | catch (const gdb_exception_error &ex) |
7ff38b1c AB |
169 | { |
170 | flang = language_unknown; | |
171 | } | |
7ff38b1c | 172 | |
c5aa993b JM |
173 | if (flang != language_unknown) |
174 | set_language (flang); | |
8b60591b JB |
175 | else |
176 | set_initial_language (); | |
c5aa993b JM |
177 | expected_language = current_language; |
178 | return; | |
179 | } | |
180 | else | |
181 | { | |
182 | /* Enter manual mode. Set the specified language. */ | |
183 | language_mode = language_mode_manual; | |
47e77640 | 184 | current_language = lang; |
a451cb65 | 185 | set_range_case (); |
c5aa993b JM |
186 | expected_language = current_language; |
187 | return; | |
188 | } | |
189 | } | |
c906108c | 190 | } |
c906108c | 191 | |
b84aa90a PA |
192 | internal_error (__FILE__, __LINE__, |
193 | "Couldn't find language `%s' in known languages list.", | |
194 | language); | |
c906108c SS |
195 | } |
196 | ||
c906108c | 197 | /* Show command. Display a warning if the range setting does |
1777feb0 | 198 | not match the current language. */ |
c906108c | 199 | static void |
4d28ad1e AC |
200 | show_range_command (struct ui_file *file, int from_tty, |
201 | struct cmd_list_element *c, const char *value) | |
c906108c | 202 | { |
b84aa90a PA |
203 | if (range_mode == range_mode_auto) |
204 | { | |
a121b7c1 | 205 | const char *tmp; |
b84aa90a PA |
206 | |
207 | switch (range_check) | |
208 | { | |
209 | case range_check_on: | |
210 | tmp = "on"; | |
211 | break; | |
212 | case range_check_off: | |
213 | tmp = "off"; | |
214 | break; | |
215 | case range_check_warn: | |
216 | tmp = "warn"; | |
217 | break; | |
218 | default: | |
219 | internal_error (__FILE__, __LINE__, | |
220 | "Unrecognized range check setting."); | |
221 | } | |
222 | ||
223 | fprintf_filtered (gdb_stdout, | |
224 | _("Range checking is \"auto; currently %s\".\n"), | |
225 | tmp); | |
226 | } | |
227 | else | |
228 | fprintf_filtered (gdb_stdout, _("Range checking is \"%s\".\n"), | |
229 | value); | |
230 | ||
efdf6a73 AB |
231 | if (range_check == range_check_warn |
232 | || ((range_check == range_check_on) | |
233 | != current_language->range_checking_on_by_default ())) | |
b84aa90a PA |
234 | warning (_("the current range check setting " |
235 | "does not match the language.\n")); | |
c906108c SS |
236 | } |
237 | ||
1777feb0 | 238 | /* Set command. Change the setting for range checking. */ |
c906108c | 239 | static void |
eb4c3f4a TT |
240 | set_range_command (const char *ignore, |
241 | int from_tty, struct cmd_list_element *c) | |
c906108c | 242 | { |
6314a349 | 243 | if (strcmp (range, "on") == 0) |
c5aa993b | 244 | { |
c906108c SS |
245 | range_check = range_check_on; |
246 | range_mode = range_mode_manual; | |
c5aa993b | 247 | } |
6314a349 | 248 | else if (strcmp (range, "warn") == 0) |
c5aa993b | 249 | { |
c906108c SS |
250 | range_check = range_check_warn; |
251 | range_mode = range_mode_manual; | |
c5aa993b | 252 | } |
6314a349 | 253 | else if (strcmp (range, "off") == 0) |
c5aa993b | 254 | { |
c906108c SS |
255 | range_check = range_check_off; |
256 | range_mode = range_mode_manual; | |
c5aa993b | 257 | } |
6314a349 | 258 | else if (strcmp (range, "auto") == 0) |
c5aa993b | 259 | { |
c906108c | 260 | range_mode = range_mode_auto; |
a451cb65 | 261 | set_range_case (); |
c906108c | 262 | return; |
c5aa993b | 263 | } |
c4093a6a JM |
264 | else |
265 | { | |
b84aa90a PA |
266 | internal_error (__FILE__, __LINE__, |
267 | _("Unrecognized range check setting: \"%s\""), range); | |
c4093a6a | 268 | } |
efdf6a73 AB |
269 | if (range_check == range_check_warn |
270 | || ((range_check == range_check_on) | |
271 | != current_language->range_checking_on_by_default ())) | |
b84aa90a PA |
272 | warning (_("the current range check setting " |
273 | "does not match the language.\n")); | |
c906108c SS |
274 | } |
275 | ||
63872f9d | 276 | /* Show command. Display a warning if the case sensitivity setting does |
1777feb0 | 277 | not match the current language. */ |
63872f9d | 278 | static void |
4d28ad1e AC |
279 | show_case_command (struct ui_file *file, int from_tty, |
280 | struct cmd_list_element *c, const char *value) | |
63872f9d | 281 | { |
b84aa90a PA |
282 | if (case_mode == case_mode_auto) |
283 | { | |
a121b7c1 | 284 | const char *tmp = NULL; |
b84aa90a PA |
285 | |
286 | switch (case_sensitivity) | |
287 | { | |
288 | case case_sensitive_on: | |
289 | tmp = "on"; | |
290 | break; | |
291 | case case_sensitive_off: | |
292 | tmp = "off"; | |
293 | break; | |
294 | default: | |
295 | internal_error (__FILE__, __LINE__, | |
296 | "Unrecognized case-sensitive setting."); | |
297 | } | |
298 | ||
299 | fprintf_filtered (gdb_stdout, | |
300 | _("Case sensitivity in " | |
301 | "name search is \"auto; currently %s\".\n"), | |
302 | tmp); | |
303 | } | |
304 | else | |
3e43a32a MS |
305 | fprintf_filtered (gdb_stdout, |
306 | _("Case sensitivity in name search is \"%s\".\n"), | |
b84aa90a PA |
307 | value); |
308 | ||
0d201fa4 | 309 | if (case_sensitivity != current_language->case_sensitivity ()) |
b84aa90a PA |
310 | warning (_("the current case sensitivity setting does not match " |
311 | "the language.\n")); | |
63872f9d JG |
312 | } |
313 | ||
591e78ff MK |
314 | /* Set command. Change the setting for case sensitivity. */ |
315 | ||
63872f9d | 316 | static void |
eb4c3f4a | 317 | set_case_command (const char *ignore, int from_tty, struct cmd_list_element *c) |
63872f9d | 318 | { |
591e78ff MK |
319 | if (strcmp (case_sensitive, "on") == 0) |
320 | { | |
321 | case_sensitivity = case_sensitive_on; | |
322 | case_mode = case_mode_manual; | |
323 | } | |
324 | else if (strcmp (case_sensitive, "off") == 0) | |
325 | { | |
326 | case_sensitivity = case_sensitive_off; | |
327 | case_mode = case_mode_manual; | |
328 | } | |
329 | else if (strcmp (case_sensitive, "auto") == 0) | |
330 | { | |
331 | case_mode = case_mode_auto; | |
a451cb65 | 332 | set_range_case (); |
591e78ff MK |
333 | return; |
334 | } | |
63872f9d | 335 | else |
591e78ff | 336 | { |
b84aa90a PA |
337 | internal_error (__FILE__, __LINE__, |
338 | "Unrecognized case-sensitive setting: \"%s\"", | |
339 | case_sensitive); | |
591e78ff | 340 | } |
b84aa90a | 341 | |
0d201fa4 | 342 | if (case_sensitivity != current_language->case_sensitivity ()) |
b84aa90a PA |
343 | warning (_("the current case sensitivity setting does not match " |
344 | "the language.\n")); | |
63872f9d JG |
345 | } |
346 | ||
347 | /* Set the status of range and type checking and case sensitivity based on | |
c906108c SS |
348 | the current modes and the current language. |
349 | If SHOW is non-zero, then print out the current language, | |
1777feb0 | 350 | type and range checking status. */ |
c906108c | 351 | static void |
a451cb65 | 352 | set_range_case (void) |
c906108c | 353 | { |
c906108c | 354 | if (range_mode == range_mode_auto) |
efdf6a73 AB |
355 | range_check = (current_language->range_checking_on_by_default () |
356 | ? range_check_on : range_check_off); | |
c906108c | 357 | |
63872f9d | 358 | if (case_mode == case_mode_auto) |
0d201fa4 | 359 | case_sensitivity = current_language->case_sensitivity (); |
c906108c SS |
360 | } |
361 | ||
1777feb0 MS |
362 | /* Set current language to (enum language) LANG. Returns previous |
363 | language. */ | |
c906108c SS |
364 | |
365 | enum language | |
fba45db2 | 366 | set_language (enum language lang) |
c906108c | 367 | { |
c906108c SS |
368 | enum language prev_language; |
369 | ||
370 | prev_language = current_language->la_language; | |
0874fd07 | 371 | current_language = language_def (lang); |
47e77640 | 372 | set_range_case (); |
c906108c SS |
373 | return prev_language; |
374 | } | |
375 | \f | |
c906108c SS |
376 | |
377 | /* Print out the current language settings: language, range and | |
378 | type checking. If QUIETLY, print only what has changed. */ | |
379 | ||
380 | void | |
fba45db2 | 381 | language_info (int quietly) |
c906108c SS |
382 | { |
383 | if (quietly && expected_language == current_language) | |
384 | return; | |
385 | ||
386 | expected_language = current_language; | |
a3f17187 | 387 | printf_unfiltered (_("Current language: %s\n"), language); |
4d28ad1e | 388 | show_language_command (NULL, 1, NULL, NULL); |
c906108c SS |
389 | |
390 | if (!quietly) | |
391 | { | |
a3f17187 | 392 | printf_unfiltered (_("Range checking: %s\n"), range); |
4d28ad1e | 393 | show_range_command (NULL, 1, NULL, NULL); |
a3f17187 | 394 | printf_unfiltered (_("Case sensitivity: %s\n"), case_sensitive); |
4d28ad1e | 395 | show_case_command (NULL, 1, NULL, NULL); |
c906108c SS |
396 | } |
397 | } | |
398 | \f | |
c906108c | 399 | |
1777feb0 | 400 | /* Returns non-zero if the value is a pointer type. */ |
c906108c | 401 | int |
fba45db2 | 402 | pointer_type (struct type *type) |
c906108c | 403 | { |
78134374 | 404 | return type->code () == TYPE_CODE_PTR || TYPE_IS_REFERENCE (type); |
c906108c SS |
405 | } |
406 | ||
c906108c | 407 | \f |
c906108c | 408 | /* This page contains functions that return info about |
1777feb0 | 409 | (struct value) values used in GDB. */ |
c906108c | 410 | |
1777feb0 | 411 | /* Returns non-zero if the value VAL represents a true value. */ |
c906108c | 412 | int |
3d6d86c6 | 413 | value_true (struct value *val) |
c906108c SS |
414 | { |
415 | /* It is possible that we should have some sort of error if a non-boolean | |
416 | value is used in this context. Possibly dependent on some kind of | |
417 | "boolean-checking" option like range checking. But it should probably | |
418 | not depend on the language except insofar as is necessary to identify | |
419 | a "boolean" value (i.e. in C using a float, pointer, etc., as a boolean | |
420 | should be an error, probably). */ | |
421 | return !value_logical_not (val); | |
422 | } | |
423 | \f | |
c906108c SS |
424 | /* This page contains functions for the printing out of |
425 | error messages that occur during type- and range- | |
1777feb0 | 426 | checking. */ |
c906108c | 427 | |
a451cb65 | 428 | /* This is called when a language fails a range-check. The |
ddfe3c15 | 429 | first argument should be a printf()-style format string, and the |
a451cb65 KS |
430 | rest of the arguments should be its arguments. If range_check is |
431 | range_check_on, an error is printed; if range_check_warn, a warning; | |
432 | otherwise just the message. */ | |
c906108c SS |
433 | |
434 | void | |
ddfe3c15 | 435 | range_error (const char *string,...) |
c906108c | 436 | { |
c5aa993b | 437 | va_list args; |
c906108c | 438 | |
e0881a8e | 439 | va_start (args, string); |
ddfe3c15 AC |
440 | switch (range_check) |
441 | { | |
442 | case range_check_warn: | |
443 | vwarning (string, args); | |
444 | break; | |
445 | case range_check_on: | |
446 | verror (string, args); | |
447 | break; | |
448 | case range_check_off: | |
449 | /* FIXME: cagney/2002-01-30: Should this function print anything | |
dda83cd7 | 450 | when range error is off? */ |
ddfe3c15 AC |
451 | vfprintf_filtered (gdb_stderr, string, args); |
452 | fprintf_filtered (gdb_stderr, "\n"); | |
453 | break; | |
454 | default: | |
e2e0b3e5 | 455 | internal_error (__FILE__, __LINE__, _("bad switch")); |
ddfe3c15 | 456 | } |
c5aa993b | 457 | va_end (args); |
c906108c | 458 | } |
c906108c | 459 | \f |
c5aa993b | 460 | |
1777feb0 | 461 | /* This page contains miscellaneous functions. */ |
c906108c | 462 | |
1777feb0 | 463 | /* Return the language enum for a given language string. */ |
c906108c SS |
464 | |
465 | enum language | |
2039bd9f | 466 | language_enum (const char *str) |
c906108c | 467 | { |
0874fd07 | 468 | for (const auto &lang : language_defn::languages) |
6f7664a9 | 469 | if (strcmp (lang->name (), str) == 0) |
47e77640 | 470 | return lang->la_language; |
c906108c | 471 | |
47e77640 PA |
472 | if (strcmp (str, "local") == 0) |
473 | return language_auto; | |
c906108c SS |
474 | |
475 | return language_unknown; | |
476 | } | |
477 | ||
1777feb0 | 478 | /* Return the language struct for a given language enum. */ |
c906108c SS |
479 | |
480 | const struct language_defn * | |
fba45db2 | 481 | language_def (enum language lang) |
c906108c | 482 | { |
0874fd07 AB |
483 | const struct language_defn *l = language_defn::languages[lang]; |
484 | gdb_assert (l != nullptr); | |
485 | return l; | |
c906108c SS |
486 | } |
487 | ||
1777feb0 | 488 | /* Return the language as a string. */ |
47e77640 | 489 | |
27cd387b | 490 | const char * |
fba45db2 | 491 | language_str (enum language lang) |
c906108c | 492 | { |
6f7664a9 | 493 | return language_def (lang)->name (); |
c906108c SS |
494 | } |
495 | ||
c906108c | 496 | \f |
c906108c | 497 | |
47e77640 | 498 | /* Build and install the "set language LANG" command. */ |
b84aa90a | 499 | |
47e77640 PA |
500 | static void |
501 | add_set_language_command () | |
502 | { | |
503 | static const char **language_names; | |
c906108c | 504 | |
47e77640 PA |
505 | /* Build the language names array, to be used as enumeration in the |
506 | "set language" enum command. +1 for "local" and +1 for NULL | |
507 | termination. */ | |
0874fd07 | 508 | language_names = new const char *[ARRAY_SIZE (language_defn::languages) + 2]; |
47e77640 PA |
509 | |
510 | /* Display "auto", "local" and "unknown" first, and then the rest, | |
511 | alpha sorted. */ | |
512 | const char **language_names_p = language_names; | |
6f7664a9 | 513 | *language_names_p++ = language_def (language_auto)->name (); |
47e77640 | 514 | *language_names_p++ = "local"; |
6f7664a9 | 515 | *language_names_p++ = language_def (language_unknown)->name (); |
47e77640 | 516 | const char **sort_begin = language_names_p; |
0874fd07 | 517 | for (const auto &lang : language_defn::languages) |
c906108c | 518 | { |
47e77640 PA |
519 | /* Already handled above. */ |
520 | if (lang->la_language == language_auto | |
521 | || lang->la_language == language_unknown) | |
522 | continue; | |
6f7664a9 | 523 | *language_names_p++ = lang->name (); |
c906108c | 524 | } |
47e77640 PA |
525 | *language_names_p = NULL; |
526 | std::sort (sort_begin, language_names_p, compare_cstrings); | |
b84aa90a | 527 | |
56618e20 | 528 | /* Add the filename extensions. */ |
0874fd07 | 529 | for (const auto &lang : language_defn::languages) |
e171d6f1 AB |
530 | for (const char * const &ext : lang->filename_extensions ()) |
531 | add_filename_language (ext, lang->la_language); | |
56618e20 | 532 | |
b84aa90a | 533 | /* Build the "help set language" docs. */ |
d7e74731 | 534 | string_file doc; |
b84aa90a | 535 | |
d7e74731 PA |
536 | doc.printf (_("Set the current source language.\n" |
537 | "The currently understood settings are:\n\nlocal or " | |
89549d7f | 538 | "auto Automatic setting based on source file")); |
b84aa90a | 539 | |
0874fd07 | 540 | for (const auto &lang : language_defn::languages) |
b84aa90a PA |
541 | { |
542 | /* Already dealt with these above. */ | |
47e77640 PA |
543 | if (lang->la_language == language_unknown |
544 | || lang->la_language == language_auto) | |
b84aa90a PA |
545 | continue; |
546 | ||
89549d7f TT |
547 | /* Note that we add the newline at the front, so we don't wind |
548 | up with a trailing newline. */ | |
6f7664a9 AB |
549 | doc.printf ("\n%-16s Use the %s language", |
550 | lang->name (), | |
551 | lang->natural_name ()); | |
b84aa90a PA |
552 | } |
553 | ||
b84aa90a | 554 | add_setshow_enum_cmd ("language", class_support, |
47e77640 | 555 | language_names, |
b84aa90a | 556 | &language, |
d7e74731 | 557 | doc.c_str (), |
3e43a32a MS |
558 | _("Show the current source language."), |
559 | NULL, set_language_command, | |
b84aa90a PA |
560 | show_language_command, |
561 | &setlist, &showlist); | |
c906108c SS |
562 | } |
563 | ||
f636b87d AF |
564 | /* Iterate through all registered languages looking for and calling |
565 | any non-NULL struct language_defn.skip_trampoline() functions. | |
566 | Return the result from the first that returns non-zero, or 0 if all | |
567 | `fail'. */ | |
568 | CORE_ADDR | |
52f729a7 | 569 | skip_language_trampoline (struct frame_info *frame, CORE_ADDR pc) |
f636b87d | 570 | { |
0874fd07 | 571 | for (const auto &lang : language_defn::languages) |
f636b87d | 572 | { |
f6eee2d0 | 573 | CORE_ADDR real_pc = lang->skip_trampoline (frame, pc); |
e0881a8e | 574 | |
f6eee2d0 AB |
575 | if (real_pc != 0) |
576 | return real_pc; | |
f636b87d AF |
577 | } |
578 | ||
579 | return 0; | |
580 | } | |
581 | ||
1777feb0 | 582 | /* Return demangled language symbol, or NULL. |
9a3d7dfd AF |
583 | FIXME: Options are only useful for certain languages and ignored |
584 | by others, so it would be better to remove them here and have a | |
1777feb0 | 585 | more flexible demangler for the languages that need it. |
9a3d7dfd AF |
586 | FIXME: Sometimes the demangler is invoked when we don't know the |
587 | language, so we can't use this everywhere. */ | |
588 | char * | |
589 | language_demangle (const struct language_defn *current_language, | |
590 | const char *mangled, int options) | |
591 | { | |
0a50df5d | 592 | if (current_language != NULL) |
5399db93 | 593 | return current_language->demangle_symbol (mangled, options); |
9a3d7dfd AF |
594 | return NULL; |
595 | } | |
596 | ||
9d084466 TBA |
597 | /* Return information about whether TYPE should be passed |
598 | (and returned) by reference at the language level. */ | |
599 | ||
600 | struct language_pass_by_ref_info | |
41f1b697 DJ |
601 | language_pass_by_reference (struct type *type) |
602 | { | |
48448202 | 603 | return current_language->pass_by_reference_info (type); |
41f1b697 DJ |
604 | } |
605 | ||
9f0a5303 JB |
606 | /* Return the default string containing the list of characters |
607 | delimiting words. This is a reasonable default value that | |
608 | most languages should be able to use. */ | |
609 | ||
67cb5b2d | 610 | const char * |
9f0a5303 JB |
611 | default_word_break_characters (void) |
612 | { | |
613 | return " \t\n!@#$%^&*()+=|~`}{[]\"';:?/>.<,-"; | |
614 | } | |
f636b87d | 615 | |
5bd40f2a | 616 | /* See language.h. */ |
e79af960 JB |
617 | |
618 | void | |
5bd40f2a AB |
619 | language_defn::print_array_index (struct type *index_type, LONGEST index, |
620 | struct ui_file *stream, | |
621 | const value_print_options *options) const | |
e79af960 | 622 | { |
53a47a3e TT |
623 | struct value *index_value = value_from_longest (index_type, index); |
624 | ||
e79af960 | 625 | fprintf_filtered (stream, "["); |
00c696a6 | 626 | value_print (index_value, stream, options); |
e79af960 JB |
627 | fprintf_filtered (stream, "] = "); |
628 | } | |
629 | ||
f16a9f57 AB |
630 | /* See language.h. */ |
631 | ||
632 | gdb::unique_xmalloc_ptr<char> | |
633 | language_defn::watch_location_expression (struct type *type, | |
634 | CORE_ADDR addr) const | |
635 | { | |
636 | /* Generates an expression that assumes a C like syntax is valid. */ | |
637 | type = check_typedef (TYPE_TARGET_TYPE (check_typedef (type))); | |
638 | std::string name = type_to_string (type); | |
639 | return gdb::unique_xmalloc_ptr<char> | |
640 | (xstrprintf ("* (%s *) %s", name.c_str (), core_addr_to_string (addr))); | |
641 | } | |
642 | ||
a1d1fa3e AB |
643 | /* See language.h. */ |
644 | ||
645 | void | |
646 | language_defn::value_print (struct value *val, struct ui_file *stream, | |
647 | const struct value_print_options *options) const | |
648 | { | |
649 | return c_value_print (val, stream, options); | |
650 | } | |
651 | ||
ebe2334e AB |
652 | /* See language.h. */ |
653 | ||
87afa652 AB |
654 | int |
655 | language_defn::parser (struct parser_state *ps) const | |
656 | { | |
657 | return c_parse (ps); | |
658 | } | |
659 | ||
660 | /* See language.h. */ | |
661 | ||
ebe2334e AB |
662 | void |
663 | language_defn::value_print_inner | |
664 | (struct value *val, struct ui_file *stream, int recurse, | |
665 | const struct value_print_options *options) const | |
666 | { | |
667 | return c_value_print_inner (val, stream, recurse, options); | |
668 | } | |
669 | ||
ec8cec5b AB |
670 | /* See language.h. */ |
671 | ||
672 | void | |
673 | language_defn::emitchar (int ch, struct type *chtype, | |
674 | struct ui_file * stream, int quoter) const | |
675 | { | |
676 | c_emit_char (ch, chtype, stream, quoter); | |
677 | } | |
678 | ||
52b50f2c AB |
679 | /* See language.h. */ |
680 | ||
d711ee67 AB |
681 | void |
682 | language_defn::printstr (struct ui_file *stream, struct type *elttype, | |
683 | const gdb_byte *string, unsigned int length, | |
684 | const char *encoding, int force_ellipses, | |
685 | const struct value_print_options *options) const | |
686 | { | |
687 | c_printstr (stream, elttype, string, length, encoding, force_ellipses, | |
688 | options); | |
689 | } | |
690 | ||
4ffc13fb AB |
691 | /* See language.h. */ |
692 | ||
693 | void | |
694 | language_defn::print_typedef (struct type *type, struct symbol *new_symbol, | |
695 | struct ui_file *stream) const | |
696 | { | |
697 | c_print_typedef (type, new_symbol, stream); | |
698 | } | |
699 | ||
39e7ecca AB |
700 | /* See language.h. */ |
701 | ||
702 | bool | |
703 | language_defn::is_string_type_p (struct type *type) const | |
704 | { | |
705 | return c_is_string_type_p (type); | |
706 | } | |
707 | ||
bdfea17e TT |
708 | /* See language.h. */ |
709 | ||
710 | std::unique_ptr<compile_instance> | |
711 | language_defn::get_compile_instance () const | |
712 | { | |
713 | return {}; | |
714 | } | |
715 | ||
c9debfb9 AB |
716 | /* The default implementation of the get_symbol_name_matcher_inner method |
717 | from the language_defn class. Matches with strncmp_iw. */ | |
b5ec771e | 718 | |
c9debfb9 | 719 | static bool |
b5ec771e PA |
720 | default_symbol_name_matcher (const char *symbol_search_name, |
721 | const lookup_name_info &lookup_name, | |
a207cff2 | 722 | completion_match_result *comp_match_res) |
b5ec771e | 723 | { |
e0802d59 | 724 | gdb::string_view name = lookup_name.name (); |
bd69330d PA |
725 | completion_match_for_lcd *match_for_lcd |
726 | = (comp_match_res != NULL ? &comp_match_res->match_for_lcd : NULL); | |
b5ec771e PA |
727 | strncmp_iw_mode mode = (lookup_name.completion_mode () |
728 | ? strncmp_iw_mode::NORMAL | |
729 | : strncmp_iw_mode::MATCH_PARAMS); | |
730 | ||
e0802d59 | 731 | if (strncmp_iw_with_mode (symbol_search_name, name.data (), name.size (), |
bd69330d | 732 | mode, language_minimal, match_for_lcd) == 0) |
b5ec771e | 733 | { |
a207cff2 PA |
734 | if (comp_match_res != NULL) |
735 | comp_match_res->set_match (symbol_search_name); | |
b5ec771e PA |
736 | return true; |
737 | } | |
738 | else | |
739 | return false; | |
740 | } | |
741 | ||
742 | /* See language.h. */ | |
743 | ||
c9debfb9 AB |
744 | symbol_name_matcher_ftype * |
745 | language_defn::get_symbol_name_matcher | |
746 | (const lookup_name_info &lookup_name) const | |
747 | { | |
748 | /* If currently in Ada mode, and the lookup name is wrapped in | |
749 | '<...>', hijack all symbol name comparisons using the Ada | |
750 | matcher, which handles the verbatim matching. */ | |
751 | if (current_language->la_language == language_ada | |
752 | && lookup_name.ada ().verbatim_p ()) | |
753 | return current_language->get_symbol_name_matcher_inner (lookup_name); | |
754 | ||
755 | return this->get_symbol_name_matcher_inner (lookup_name); | |
756 | } | |
757 | ||
758 | /* See language.h. */ | |
759 | ||
760 | symbol_name_matcher_ftype * | |
761 | language_defn::get_symbol_name_matcher_inner | |
762 | (const lookup_name_info &lookup_name) const | |
763 | { | |
764 | return default_symbol_name_matcher; | |
765 | } | |
766 | ||
b63a3f3f AB |
767 | /* See language.h. */ |
768 | ||
769 | const struct lang_varobj_ops * | |
770 | language_defn::varobj_ops () const | |
771 | { | |
772 | /* The ops for the C language are suitable for the vast majority of the | |
773 | supported languages. */ | |
774 | return &c_varobj_ops; | |
775 | } | |
776 | ||
5aba6ebe AB |
777 | /* See language.h. */ |
778 | ||
779 | const struct exp_descriptor * | |
780 | language_defn::expression_ops () const | |
781 | { | |
782 | return &exp_descriptor_standard; | |
783 | } | |
784 | ||
b01175fc AB |
785 | /* Parent class for both the "auto" and "unknown" languages. These two |
786 | pseudo-languages are very similar so merging their implementations like | |
787 | this makes sense. */ | |
c9debfb9 | 788 | |
b01175fc | 789 | class auto_or_unknown_language : public language_defn |
0874fd07 AB |
790 | { |
791 | public: | |
b01175fc AB |
792 | auto_or_unknown_language (enum language lang) |
793 | : language_defn (lang) | |
0874fd07 | 794 | { /* Nothing. */ } |
1fb314aa AB |
795 | |
796 | /* See language.h. */ | |
797 | void language_arch_info (struct gdbarch *gdbarch, | |
798 | struct language_arch_info *lai) const override | |
799 | { | |
7bea47f0 AB |
800 | lai->set_string_char_type (builtin_type (gdbarch)->builtin_char); |
801 | lai->set_bool_type (builtin_type (gdbarch)->builtin_int); | |
1fb314aa | 802 | } |
fbfb0a46 AB |
803 | |
804 | /* See language.h. */ | |
805 | ||
806 | void print_type (struct type *type, const char *varstring, | |
807 | struct ui_file *stream, int show, int level, | |
808 | const struct type_print_options *flags) const override | |
809 | { | |
b01175fc AB |
810 | error (_("type printing not implemented for language \"%s\""), |
811 | natural_name ()); | |
fbfb0a46 | 812 | } |
0a50df5d AB |
813 | |
814 | /* See language.h. */ | |
815 | ||
5399db93 | 816 | char *demangle_symbol (const char *mangled, int options) const override |
0a50df5d | 817 | { |
b01175fc | 818 | /* The auto language just uses the C++ demangler. */ |
0a50df5d AB |
819 | return gdb_demangle (mangled, options); |
820 | } | |
a1d1fa3e AB |
821 | |
822 | /* See language.h. */ | |
823 | ||
824 | void value_print (struct value *val, struct ui_file *stream, | |
825 | const struct value_print_options *options) const override | |
826 | { | |
b01175fc AB |
827 | error (_("value printing not implemented for language \"%s\""), |
828 | natural_name ()); | |
a1d1fa3e | 829 | } |
ebe2334e AB |
830 | |
831 | /* See language.h. */ | |
832 | ||
833 | void value_print_inner | |
834 | (struct value *val, struct ui_file *stream, int recurse, | |
835 | const struct value_print_options *options) const override | |
836 | { | |
b01175fc AB |
837 | error (_("inner value printing not implemented for language \"%s\""), |
838 | natural_name ()); | |
ebe2334e | 839 | } |
87afa652 AB |
840 | |
841 | /* See language.h. */ | |
842 | ||
843 | int parser (struct parser_state *ps) const override | |
844 | { | |
845 | /* No parsing is done, just claim success. */ | |
846 | return 1; | |
847 | } | |
ec8cec5b AB |
848 | |
849 | /* See language.h. */ | |
850 | ||
851 | void emitchar (int ch, struct type *chtype, | |
852 | struct ui_file *stream, int quoter) const override | |
853 | { | |
b01175fc AB |
854 | error (_("emit character not implemented for language \"%s\""), |
855 | natural_name ()); | |
ec8cec5b | 856 | } |
52b50f2c AB |
857 | |
858 | /* See language.h. */ | |
859 | ||
860 | void printchar (int ch, struct type *chtype, | |
861 | struct ui_file *stream) const override | |
862 | { | |
b01175fc AB |
863 | error (_("print character not implemented for language \"%s\""), |
864 | natural_name ()); | |
52b50f2c | 865 | } |
d711ee67 AB |
866 | |
867 | /* See language.h. */ | |
868 | ||
869 | void printstr (struct ui_file *stream, struct type *elttype, | |
870 | const gdb_byte *string, unsigned int length, | |
871 | const char *encoding, int force_ellipses, | |
872 | const struct value_print_options *options) const override | |
873 | { | |
b01175fc AB |
874 | error (_("print string not implemented for language \"%s\""), |
875 | natural_name ()); | |
d711ee67 | 876 | } |
4ffc13fb AB |
877 | |
878 | /* See language.h. */ | |
879 | ||
880 | void print_typedef (struct type *type, struct symbol *new_symbol, | |
881 | struct ui_file *stream) const override | |
882 | { | |
b01175fc AB |
883 | error (_("print typedef not implemented for language \"%s\""), |
884 | natural_name ()); | |
4ffc13fb | 885 | } |
39e7ecca AB |
886 | |
887 | /* See language.h. */ | |
888 | ||
889 | bool is_string_type_p (struct type *type) const override | |
890 | { | |
b01175fc AB |
891 | type = check_typedef (type); |
892 | while (type->code () == TYPE_CODE_REF) | |
893 | { | |
894 | type = TYPE_TARGET_TYPE (type); | |
895 | type = check_typedef (type); | |
896 | } | |
897 | return (type->code () == TYPE_CODE_STRING); | |
39e7ecca | 898 | } |
5bae7c4e AB |
899 | |
900 | /* See language.h. */ | |
901 | ||
902 | const char *name_of_this () const override | |
903 | { return "this"; } | |
d3355e4d AB |
904 | |
905 | /* See language.h. */ | |
906 | ||
b7c6e27d | 907 | const struct op_print *opcode_print_table () const override |
b01175fc AB |
908 | { |
909 | static const struct op_print unk_op_print_tab[] = | |
910 | { | |
911 | {NULL, OP_NULL, PREC_NULL, 0} | |
912 | }; | |
0874fd07 | 913 | |
b01175fc AB |
914 | return unk_op_print_tab; |
915 | } | |
916 | }; | |
0874fd07 | 917 | |
0874fd07 AB |
918 | /* Class representing the fake "auto" language. */ |
919 | ||
b01175fc | 920 | class auto_language : public auto_or_unknown_language |
0874fd07 AB |
921 | { |
922 | public: | |
923 | auto_language () | |
b01175fc | 924 | : auto_or_unknown_language (language_auto) |
0874fd07 | 925 | { /* Nothing. */ } |
1fb314aa | 926 | |
6f7664a9 AB |
927 | /* See language.h. */ |
928 | ||
929 | const char *name () const override | |
930 | { return "auto"; } | |
931 | ||
932 | /* See language.h. */ | |
933 | ||
934 | const char *natural_name () const override | |
935 | { return "Auto"; } | |
b01175fc | 936 | }; |
6f7664a9 | 937 | |
b01175fc | 938 | /* Single instance of the fake "auto" language. */ |
d711ee67 | 939 | |
b01175fc | 940 | static auto_language auto_language_defn; |
4ffc13fb | 941 | |
b01175fc | 942 | /* Class representing the unknown language. */ |
4ffc13fb | 943 | |
b01175fc AB |
944 | class unknown_language : public auto_or_unknown_language |
945 | { | |
946 | public: | |
947 | unknown_language () | |
948 | : auto_or_unknown_language (language_unknown) | |
949 | { /* Nothing. */ } | |
39e7ecca AB |
950 | |
951 | /* See language.h. */ | |
952 | ||
b01175fc AB |
953 | const char *name () const override |
954 | { return "unknown"; } | |
5bae7c4e AB |
955 | |
956 | /* See language.h. */ | |
957 | ||
b01175fc AB |
958 | const char *natural_name () const override |
959 | { return "Unknown"; } | |
b7c6e27d AB |
960 | |
961 | /* See language.h. */ | |
962 | ||
b01175fc AB |
963 | bool store_sym_names_in_linkage_form_p () const override |
964 | { return true; } | |
0874fd07 AB |
965 | }; |
966 | ||
b01175fc | 967 | /* Single instance of the unknown language class. */ |
0874fd07 | 968 | |
b01175fc | 969 | static unknown_language unknown_language_defn; |
0874fd07 | 970 | |
c906108c | 971 | \f |
f290d38e AC |
972 | /* Per-architecture language information. */ |
973 | ||
974 | static struct gdbarch_data *language_gdbarch_data; | |
975 | ||
976 | struct language_gdbarch | |
977 | { | |
978 | /* A vector of per-language per-architecture info. Indexed by "enum | |
979 | language". */ | |
980 | struct language_arch_info arch_info[nr_languages]; | |
981 | }; | |
982 | ||
983 | static void * | |
984 | language_gdbarch_post_init (struct gdbarch *gdbarch) | |
985 | { | |
7bea47f0 AB |
986 | struct language_gdbarch *l |
987 | = obstack_new<struct language_gdbarch> (gdbarch_obstack (gdbarch)); | |
0874fd07 | 988 | for (const auto &lang : language_defn::languages) |
1fb314aa AB |
989 | { |
990 | gdb_assert (lang != nullptr); | |
7bea47f0 | 991 | lang->language_arch_info (gdbarch, &l->arch_info[lang->la_language]); |
1fb314aa | 992 | } |
47e77640 | 993 | |
f290d38e AC |
994 | return l; |
995 | } | |
996 | ||
7bea47f0 AB |
997 | /* See language.h. */ |
998 | ||
f290d38e AC |
999 | struct type * |
1000 | language_string_char_type (const struct language_defn *la, | |
1001 | struct gdbarch *gdbarch) | |
1002 | { | |
9a3c8263 SM |
1003 | struct language_gdbarch *ld |
1004 | = (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data); | |
7bea47f0 | 1005 | return ld->arch_info[la->la_language].string_char_type (); |
f290d38e AC |
1006 | } |
1007 | ||
7bea47f0 AB |
1008 | /* See language.h. */ |
1009 | ||
fbb06eb1 UW |
1010 | struct type * |
1011 | language_bool_type (const struct language_defn *la, | |
1012 | struct gdbarch *gdbarch) | |
1013 | { | |
9a3c8263 SM |
1014 | struct language_gdbarch *ld |
1015 | = (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data); | |
7bea47f0 AB |
1016 | return ld->arch_info[la->la_language].bool_type (); |
1017 | } | |
1018 | ||
1019 | /* See language.h. */ | |
fbb06eb1 | 1020 | |
7bea47f0 AB |
1021 | struct type * |
1022 | language_arch_info::bool_type () const | |
1023 | { | |
1024 | if (m_bool_type_name != nullptr) | |
fbb06eb1 UW |
1025 | { |
1026 | struct symbol *sym; | |
e0881a8e | 1027 | |
7bea47f0 AB |
1028 | sym = lookup_symbol (m_bool_type_name, NULL, VAR_DOMAIN, NULL).symbol; |
1029 | if (sym != nullptr) | |
fbb06eb1 UW |
1030 | { |
1031 | struct type *type = SYMBOL_TYPE (sym); | |
7bea47f0 | 1032 | if (type != nullptr && type->code () == TYPE_CODE_BOOL) |
fbb06eb1 UW |
1033 | return type; |
1034 | } | |
1035 | } | |
1036 | ||
7bea47f0 | 1037 | return m_bool_type_default; |
1994afbf DE |
1038 | } |
1039 | ||
1040 | /* See language.h. */ | |
1041 | ||
7bea47f0 AB |
1042 | struct symbol * |
1043 | language_arch_info::type_and_symbol::alloc_type_symbol | |
1044 | (enum language lang, struct type *type) | |
1994afbf DE |
1045 | { |
1046 | struct symbol *symbol; | |
1047 | struct gdbarch *gdbarch; | |
30625020 | 1048 | gdb_assert (!type->is_objfile_owned ()); |
6ac37371 | 1049 | gdbarch = type->arch_owner (); |
468c0cbb | 1050 | symbol = new (gdbarch_obstack (gdbarch)) struct symbol (); |
7d93a1e0 | 1051 | symbol->m_name = type->name (); |
d3ecddab | 1052 | symbol->set_language (lang, nullptr); |
1994afbf DE |
1053 | symbol->owner.arch = gdbarch; |
1054 | SYMBOL_OBJFILE_OWNED (symbol) = 0; | |
a52d653e | 1055 | symbol->set_section_index (0); |
1994afbf DE |
1056 | SYMBOL_TYPE (symbol) = type; |
1057 | SYMBOL_DOMAIN (symbol) = VAR_DOMAIN; | |
1058 | SYMBOL_ACLASS_INDEX (symbol) = LOC_TYPEDEF; | |
1994afbf DE |
1059 | return symbol; |
1060 | } | |
1061 | ||
7bea47f0 | 1062 | /* See language.h. */ |
1994afbf | 1063 | |
7bea47f0 AB |
1064 | language_arch_info::type_and_symbol * |
1065 | language_arch_info::lookup_primitive_type_and_symbol (const char *name) | |
1994afbf | 1066 | { |
7bea47f0 AB |
1067 | for (struct type_and_symbol &tas : primitive_types_and_symbols) |
1068 | { | |
1069 | if (strcmp (tas.type ()->name (), name) == 0) | |
1070 | return &tas; | |
1071 | } | |
1994afbf | 1072 | |
7bea47f0 AB |
1073 | return nullptr; |
1074 | } | |
1075 | ||
1076 | /* See language.h. */ | |
1994afbf | 1077 | |
7bea47f0 AB |
1078 | struct type * |
1079 | language_arch_info::lookup_primitive_type (const char *name) | |
1080 | { | |
1081 | type_and_symbol *tas = lookup_primitive_type_and_symbol (name); | |
1082 | if (tas != nullptr) | |
1083 | return tas->type (); | |
1084 | return nullptr; | |
1085 | } | |
1994afbf | 1086 | |
7bea47f0 | 1087 | /* See language.h. */ |
1994afbf | 1088 | |
7bea47f0 AB |
1089 | struct type * |
1090 | language_arch_info::lookup_primitive_type | |
cbbcd7a7 | 1091 | (gdb::function_view<bool (struct type *)> filter) |
7bea47f0 AB |
1092 | { |
1093 | for (struct type_and_symbol &tas : primitive_types_and_symbols) | |
1994afbf | 1094 | { |
7bea47f0 AB |
1095 | if (filter (tas.type ())) |
1096 | return tas.type (); | |
1994afbf DE |
1097 | } |
1098 | ||
7bea47f0 AB |
1099 | return nullptr; |
1100 | } | |
1101 | ||
1102 | /* See language.h. */ | |
1103 | ||
1104 | struct symbol * | |
1105 | language_arch_info::lookup_primitive_type_as_symbol (const char *name, | |
1106 | enum language lang) | |
1107 | { | |
1108 | type_and_symbol *tas = lookup_primitive_type_and_symbol (name); | |
1109 | if (tas != nullptr) | |
1110 | return tas->symbol (lang); | |
1111 | return nullptr; | |
1112 | } | |
1113 | ||
cbbcd7a7 PA |
1114 | /* Helper for the language_lookup_primitive_type overloads to forward |
1115 | to the corresponding language's lookup_primitive_type overload. */ | |
7bea47f0 AB |
1116 | |
1117 | template<typename T> | |
cbbcd7a7 PA |
1118 | static struct type * |
1119 | language_lookup_primitive_type_1 (const struct language_defn *la, | |
1120 | struct gdbarch *gdbarch, | |
1121 | T arg) | |
7bea47f0 AB |
1122 | { |
1123 | struct language_gdbarch *ld = | |
1124 | (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data); | |
1125 | return ld->arch_info[la->la_language].lookup_primitive_type (arg); | |
1994afbf DE |
1126 | } |
1127 | ||
cbbcd7a7 | 1128 | /* See language.h. */ |
7bea47f0 | 1129 | |
cbbcd7a7 | 1130 | struct type * |
7bea47f0 AB |
1131 | language_lookup_primitive_type (const struct language_defn *la, |
1132 | struct gdbarch *gdbarch, | |
cbbcd7a7 PA |
1133 | const char *name) |
1134 | { | |
1135 | return language_lookup_primitive_type_1 (la, gdbarch, name); | |
1136 | } | |
7bea47f0 | 1137 | |
cbbcd7a7 | 1138 | /* See language.h. */ |
7bea47f0 | 1139 | |
cbbcd7a7 | 1140 | struct type * |
7bea47f0 AB |
1141 | language_lookup_primitive_type (const struct language_defn *la, |
1142 | struct gdbarch *gdbarch, | |
cbbcd7a7 PA |
1143 | gdb::function_view<bool (struct type *)> filter) |
1144 | { | |
1145 | return language_lookup_primitive_type_1 (la, gdbarch, filter); | |
1146 | } | |
7bea47f0 | 1147 | |
1994afbf DE |
1148 | /* See language.h. */ |
1149 | ||
1150 | struct symbol * | |
1151 | language_lookup_primitive_type_as_symbol (const struct language_defn *la, | |
1152 | struct gdbarch *gdbarch, | |
1153 | const char *name) | |
1154 | { | |
9a3c8263 SM |
1155 | struct language_gdbarch *ld |
1156 | = (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data); | |
1994afbf | 1157 | struct language_arch_info *lai = &ld->arch_info[la->la_language]; |
e0881a8e | 1158 | |
cc485e62 | 1159 | if (symbol_lookup_debug) |
7bea47f0 AB |
1160 | fprintf_unfiltered (gdb_stdlog, |
1161 | "language_lookup_primitive_type_as_symbol" | |
1162 | " (%s, %s, %s)", | |
1163 | la->name (), host_address_to_string (gdbarch), name); | |
1994afbf | 1164 | |
7bea47f0 AB |
1165 | struct symbol *sym |
1166 | = lai->lookup_primitive_type_as_symbol (name, la->la_language); | |
1994afbf | 1167 | |
cc485e62 | 1168 | if (symbol_lookup_debug) |
1994afbf | 1169 | fprintf_unfiltered (gdb_stdlog, " = %s\n", host_address_to_string (sym)); |
7bea47f0 AB |
1170 | |
1171 | /* Note: The result of symbol lookup is normally a symbol *and* the block | |
1172 | it was found in. Builtin types don't live in blocks. We *could* give | |
1173 | them one, but there is no current need so to keep things simple symbol | |
1174 | lookup is extended to allow for BLOCK_FOUND to be NULL. */ | |
1175 | ||
1994afbf | 1176 | return sym; |
f290d38e AC |
1177 | } |
1178 | ||
1777feb0 | 1179 | /* Initialize the language routines. */ |
c906108c | 1180 | |
6c265988 | 1181 | void _initialize_language (); |
c906108c | 1182 | void |
6c265988 | 1183 | _initialize_language () |
c906108c | 1184 | { |
40478521 | 1185 | static const char *const type_or_range_names[] |
b84aa90a PA |
1186 | = { "on", "off", "warn", "auto", NULL }; |
1187 | ||
40478521 | 1188 | static const char *const case_sensitive_names[] |
b84aa90a | 1189 | = { "on", "off", "auto", NULL }; |
c5aa993b | 1190 | |
f290d38e AC |
1191 | language_gdbarch_data |
1192 | = gdbarch_data_register_post_init (language_gdbarch_post_init); | |
1193 | ||
1777feb0 | 1194 | /* GDB commands for language specific stuff. */ |
c5aa993b | 1195 | |
0743fc83 TT |
1196 | add_basic_prefix_cmd ("check", no_class, |
1197 | _("Set the status of the type/range checker."), | |
1198 | &setchecklist, "set check ", 0, &setlist); | |
c5aa993b JM |
1199 | add_alias_cmd ("c", "check", no_class, 1, &setlist); |
1200 | add_alias_cmd ("ch", "check", no_class, 1, &setlist); | |
1201 | ||
0743fc83 TT |
1202 | add_show_prefix_cmd ("check", no_class, |
1203 | _("Show the status of the type/range checker."), | |
1204 | &showchecklist, "show check ", 0, &showlist); | |
c5aa993b JM |
1205 | add_alias_cmd ("c", "check", no_class, 1, &showlist); |
1206 | add_alias_cmd ("ch", "check", no_class, 1, &showlist); | |
1207 | ||
b84aa90a | 1208 | add_setshow_enum_cmd ("range", class_support, type_or_range_names, |
3e43a32a | 1209 | &range, |
590042fc PW |
1210 | _("Set range checking (on/warn/off/auto)."), |
1211 | _("Show range checking (on/warn/off/auto)."), | |
3e43a32a | 1212 | NULL, set_range_command, |
b84aa90a PA |
1213 | show_range_command, |
1214 | &setchecklist, &showchecklist); | |
1215 | ||
1216 | add_setshow_enum_cmd ("case-sensitive", class_support, case_sensitive_names, | |
1217 | &case_sensitive, _("\ | |
590042fc PW |
1218 | Set case sensitivity in name search (on/off/auto)."), _("\ |
1219 | Show case sensitivity in name search (on/off/auto)."), _("\ | |
4d28ad1e | 1220 | For Fortran the default is off; for other languages the default is on."), |
b84aa90a PA |
1221 | set_case_command, |
1222 | show_case_command, | |
1223 | &setlist, &showlist); | |
63872f9d | 1224 | |
0874fd07 AB |
1225 | /* In order to call SET_LANGUAGE (below) we need to make sure that |
1226 | CURRENT_LANGUAGE is not NULL. So first set the language to unknown, | |
1227 | then we can change the language to 'auto'. */ | |
1228 | current_language = language_def (language_unknown); | |
1229 | ||
47e77640 | 1230 | add_set_language_command (); |
c5aa993b | 1231 | |
4a811000 PW |
1232 | language = "auto"; |
1233 | range = "auto"; | |
1234 | case_sensitive = "auto"; | |
63872f9d | 1235 | |
1777feb0 | 1236 | /* Have the above take effect. */ |
63872f9d | 1237 | set_language (language_auto); |
c906108c | 1238 | } |