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c906108c | 1 | /* Multiple source language support for GDB. |
1bac305b | 2 | |
b811d2c2 | 3 | Copyright (C) 1991-2020 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 PA |
115 | if (language_mode == language_mode_auto) |
116 | fprintf_filtered (gdb_stdout, | |
117 | _("The current source language is " | |
118 | "\"auto; currently %s\".\n"), | |
6f7664a9 | 119 | current_language->name ()); |
b84aa90a | 120 | else |
3e43a32a MS |
121 | fprintf_filtered (gdb_stdout, |
122 | _("The current source language is \"%s\".\n"), | |
6f7664a9 | 123 | current_language->name ()); |
b84aa90a | 124 | |
7ff38b1c AB |
125 | if (has_stack_frames ()) |
126 | { | |
127 | struct frame_info *frame; | |
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) | |
34916edc | 134 | printf_filtered ("%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 JB |
157 | /* Enter auto mode. Set to the current frame's language, if |
158 | known, or fallback to the initial language. */ | |
c5aa993b | 159 | language_mode = language_mode_auto; |
a70b8144 | 160 | try |
7ff38b1c AB |
161 | { |
162 | struct frame_info *frame; | |
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 | |
b84aa90a PA |
191 | internal_error (__FILE__, __LINE__, |
192 | "Couldn't find language `%s' in known languages list.", | |
193 | language); | |
c906108c SS |
194 | } |
195 | ||
c906108c | 196 | /* Show command. Display a warning if the range setting does |
1777feb0 | 197 | not match the current language. */ |
c906108c | 198 | static void |
4d28ad1e AC |
199 | show_range_command (struct ui_file *file, int from_tty, |
200 | struct cmd_list_element *c, const char *value) | |
c906108c | 201 | { |
b84aa90a PA |
202 | if (range_mode == range_mode_auto) |
203 | { | |
a121b7c1 | 204 | const char *tmp; |
b84aa90a PA |
205 | |
206 | switch (range_check) | |
207 | { | |
208 | case range_check_on: | |
209 | tmp = "on"; | |
210 | break; | |
211 | case range_check_off: | |
212 | tmp = "off"; | |
213 | break; | |
214 | case range_check_warn: | |
215 | tmp = "warn"; | |
216 | break; | |
217 | default: | |
218 | internal_error (__FILE__, __LINE__, | |
219 | "Unrecognized range check setting."); | |
220 | } | |
221 | ||
222 | fprintf_filtered (gdb_stdout, | |
223 | _("Range checking is \"auto; currently %s\".\n"), | |
224 | tmp); | |
225 | } | |
226 | else | |
227 | fprintf_filtered (gdb_stdout, _("Range checking is \"%s\".\n"), | |
228 | value); | |
229 | ||
efdf6a73 AB |
230 | if (range_check == range_check_warn |
231 | || ((range_check == range_check_on) | |
232 | != current_language->range_checking_on_by_default ())) | |
b84aa90a PA |
233 | warning (_("the current range check setting " |
234 | "does not match the language.\n")); | |
c906108c SS |
235 | } |
236 | ||
1777feb0 | 237 | /* Set command. Change the setting for range checking. */ |
c906108c | 238 | static void |
eb4c3f4a TT |
239 | set_range_command (const char *ignore, |
240 | int from_tty, struct cmd_list_element *c) | |
c906108c | 241 | { |
6314a349 | 242 | if (strcmp (range, "on") == 0) |
c5aa993b | 243 | { |
c906108c SS |
244 | range_check = range_check_on; |
245 | range_mode = range_mode_manual; | |
c5aa993b | 246 | } |
6314a349 | 247 | else if (strcmp (range, "warn") == 0) |
c5aa993b | 248 | { |
c906108c SS |
249 | range_check = range_check_warn; |
250 | range_mode = range_mode_manual; | |
c5aa993b | 251 | } |
6314a349 | 252 | else if (strcmp (range, "off") == 0) |
c5aa993b | 253 | { |
c906108c SS |
254 | range_check = range_check_off; |
255 | range_mode = range_mode_manual; | |
c5aa993b | 256 | } |
6314a349 | 257 | else if (strcmp (range, "auto") == 0) |
c5aa993b | 258 | { |
c906108c | 259 | range_mode = range_mode_auto; |
a451cb65 | 260 | set_range_case (); |
c906108c | 261 | return; |
c5aa993b | 262 | } |
c4093a6a JM |
263 | else |
264 | { | |
b84aa90a PA |
265 | internal_error (__FILE__, __LINE__, |
266 | _("Unrecognized range check setting: \"%s\""), range); | |
c4093a6a | 267 | } |
efdf6a73 AB |
268 | if (range_check == range_check_warn |
269 | || ((range_check == range_check_on) | |
270 | != current_language->range_checking_on_by_default ())) | |
b84aa90a PA |
271 | warning (_("the current range check setting " |
272 | "does not match the language.\n")); | |
c906108c SS |
273 | } |
274 | ||
63872f9d | 275 | /* Show command. Display a warning if the case sensitivity setting does |
1777feb0 | 276 | not match the current language. */ |
63872f9d | 277 | static void |
4d28ad1e AC |
278 | show_case_command (struct ui_file *file, int from_tty, |
279 | struct cmd_list_element *c, const char *value) | |
63872f9d | 280 | { |
b84aa90a PA |
281 | if (case_mode == case_mode_auto) |
282 | { | |
a121b7c1 | 283 | const char *tmp = NULL; |
b84aa90a PA |
284 | |
285 | switch (case_sensitivity) | |
286 | { | |
287 | case case_sensitive_on: | |
288 | tmp = "on"; | |
289 | break; | |
290 | case case_sensitive_off: | |
291 | tmp = "off"; | |
292 | break; | |
293 | default: | |
294 | internal_error (__FILE__, __LINE__, | |
295 | "Unrecognized case-sensitive setting."); | |
296 | } | |
297 | ||
298 | fprintf_filtered (gdb_stdout, | |
299 | _("Case sensitivity in " | |
300 | "name search is \"auto; currently %s\".\n"), | |
301 | tmp); | |
302 | } | |
303 | else | |
3e43a32a MS |
304 | fprintf_filtered (gdb_stdout, |
305 | _("Case sensitivity in name search is \"%s\".\n"), | |
b84aa90a PA |
306 | value); |
307 | ||
0d201fa4 | 308 | if (case_sensitivity != current_language->case_sensitivity ()) |
b84aa90a PA |
309 | warning (_("the current case sensitivity setting does not match " |
310 | "the language.\n")); | |
63872f9d JG |
311 | } |
312 | ||
591e78ff MK |
313 | /* Set command. Change the setting for case sensitivity. */ |
314 | ||
63872f9d | 315 | static void |
eb4c3f4a | 316 | set_case_command (const char *ignore, int from_tty, struct cmd_list_element *c) |
63872f9d | 317 | { |
591e78ff MK |
318 | if (strcmp (case_sensitive, "on") == 0) |
319 | { | |
320 | case_sensitivity = case_sensitive_on; | |
321 | case_mode = case_mode_manual; | |
322 | } | |
323 | else if (strcmp (case_sensitive, "off") == 0) | |
324 | { | |
325 | case_sensitivity = case_sensitive_off; | |
326 | case_mode = case_mode_manual; | |
327 | } | |
328 | else if (strcmp (case_sensitive, "auto") == 0) | |
329 | { | |
330 | case_mode = case_mode_auto; | |
a451cb65 | 331 | set_range_case (); |
591e78ff MK |
332 | return; |
333 | } | |
63872f9d | 334 | else |
591e78ff | 335 | { |
b84aa90a PA |
336 | internal_error (__FILE__, __LINE__, |
337 | "Unrecognized case-sensitive setting: \"%s\"", | |
338 | case_sensitive); | |
591e78ff | 339 | } |
b84aa90a | 340 | |
0d201fa4 | 341 | if (case_sensitivity != current_language->case_sensitivity ()) |
b84aa90a PA |
342 | warning (_("the current case sensitivity setting does not match " |
343 | "the language.\n")); | |
63872f9d JG |
344 | } |
345 | ||
346 | /* Set the status of range and type checking and case sensitivity based on | |
c906108c SS |
347 | the current modes and the current language. |
348 | If SHOW is non-zero, then print out the current language, | |
1777feb0 | 349 | type and range checking status. */ |
c906108c | 350 | static void |
a451cb65 | 351 | set_range_case (void) |
c906108c | 352 | { |
c906108c | 353 | if (range_mode == range_mode_auto) |
efdf6a73 AB |
354 | range_check = (current_language->range_checking_on_by_default () |
355 | ? range_check_on : range_check_off); | |
c906108c | 356 | |
63872f9d | 357 | if (case_mode == case_mode_auto) |
0d201fa4 | 358 | case_sensitivity = current_language->case_sensitivity (); |
c906108c SS |
359 | } |
360 | ||
1777feb0 MS |
361 | /* Set current language to (enum language) LANG. Returns previous |
362 | language. */ | |
c906108c SS |
363 | |
364 | enum language | |
fba45db2 | 365 | set_language (enum language lang) |
c906108c | 366 | { |
c906108c SS |
367 | enum language prev_language; |
368 | ||
369 | prev_language = current_language->la_language; | |
0874fd07 | 370 | current_language = language_def (lang); |
47e77640 | 371 | set_range_case (); |
c906108c SS |
372 | return prev_language; |
373 | } | |
374 | \f | |
c906108c SS |
375 | |
376 | /* Print out the current language settings: language, range and | |
377 | type checking. If QUIETLY, print only what has changed. */ | |
378 | ||
379 | void | |
fba45db2 | 380 | language_info (int quietly) |
c906108c SS |
381 | { |
382 | if (quietly && expected_language == current_language) | |
383 | return; | |
384 | ||
385 | expected_language = current_language; | |
a3f17187 | 386 | printf_unfiltered (_("Current language: %s\n"), language); |
4d28ad1e | 387 | show_language_command (NULL, 1, NULL, NULL); |
c906108c SS |
388 | |
389 | if (!quietly) | |
390 | { | |
a3f17187 | 391 | printf_unfiltered (_("Range checking: %s\n"), range); |
4d28ad1e | 392 | show_range_command (NULL, 1, NULL, NULL); |
a3f17187 | 393 | printf_unfiltered (_("Case sensitivity: %s\n"), case_sensitive); |
4d28ad1e | 394 | show_case_command (NULL, 1, NULL, NULL); |
c906108c SS |
395 | } |
396 | } | |
397 | \f | |
c906108c | 398 | |
1777feb0 | 399 | /* Returns non-zero if the value is a pointer type. */ |
c906108c | 400 | int |
fba45db2 | 401 | pointer_type (struct type *type) |
c906108c | 402 | { |
78134374 | 403 | return type->code () == TYPE_CODE_PTR || TYPE_IS_REFERENCE (type); |
c906108c SS |
404 | } |
405 | ||
c906108c | 406 | \f |
c906108c | 407 | /* This page contains functions that return info about |
1777feb0 | 408 | (struct value) values used in GDB. */ |
c906108c | 409 | |
1777feb0 | 410 | /* Returns non-zero if the value VAL represents a true value. */ |
c906108c | 411 | int |
3d6d86c6 | 412 | value_true (struct value *val) |
c906108c SS |
413 | { |
414 | /* It is possible that we should have some sort of error if a non-boolean | |
415 | value is used in this context. Possibly dependent on some kind of | |
416 | "boolean-checking" option like range checking. But it should probably | |
417 | not depend on the language except insofar as is necessary to identify | |
418 | a "boolean" value (i.e. in C using a float, pointer, etc., as a boolean | |
419 | should be an error, probably). */ | |
420 | return !value_logical_not (val); | |
421 | } | |
422 | \f | |
c906108c SS |
423 | /* This page contains functions for the printing out of |
424 | error messages that occur during type- and range- | |
1777feb0 | 425 | checking. */ |
c906108c | 426 | |
a451cb65 | 427 | /* This is called when a language fails a range-check. The |
ddfe3c15 | 428 | first argument should be a printf()-style format string, and the |
a451cb65 KS |
429 | rest of the arguments should be its arguments. If range_check is |
430 | range_check_on, an error is printed; if range_check_warn, a warning; | |
431 | otherwise just the message. */ | |
c906108c SS |
432 | |
433 | void | |
ddfe3c15 | 434 | range_error (const char *string,...) |
c906108c | 435 | { |
c5aa993b | 436 | va_list args; |
c906108c | 437 | |
e0881a8e | 438 | va_start (args, string); |
ddfe3c15 AC |
439 | switch (range_check) |
440 | { | |
441 | case range_check_warn: | |
442 | vwarning (string, args); | |
443 | break; | |
444 | case range_check_on: | |
445 | verror (string, args); | |
446 | break; | |
447 | case range_check_off: | |
448 | /* FIXME: cagney/2002-01-30: Should this function print anything | |
449 | when range error is off? */ | |
450 | vfprintf_filtered (gdb_stderr, string, args); | |
451 | fprintf_filtered (gdb_stderr, "\n"); | |
452 | break; | |
453 | default: | |
e2e0b3e5 | 454 | internal_error (__FILE__, __LINE__, _("bad switch")); |
ddfe3c15 | 455 | } |
c5aa993b | 456 | va_end (args); |
c906108c | 457 | } |
c906108c | 458 | \f |
c5aa993b | 459 | |
1777feb0 | 460 | /* This page contains miscellaneous functions. */ |
c906108c | 461 | |
1777feb0 | 462 | /* Return the language enum for a given language string. */ |
c906108c SS |
463 | |
464 | enum language | |
2039bd9f | 465 | language_enum (const char *str) |
c906108c | 466 | { |
0874fd07 | 467 | for (const auto &lang : language_defn::languages) |
6f7664a9 | 468 | if (strcmp (lang->name (), str) == 0) |
47e77640 | 469 | return lang->la_language; |
c906108c | 470 | |
47e77640 PA |
471 | if (strcmp (str, "local") == 0) |
472 | return language_auto; | |
c906108c SS |
473 | |
474 | return language_unknown; | |
475 | } | |
476 | ||
1777feb0 | 477 | /* Return the language struct for a given language enum. */ |
c906108c SS |
478 | |
479 | const struct language_defn * | |
fba45db2 | 480 | language_def (enum language lang) |
c906108c | 481 | { |
0874fd07 AB |
482 | const struct language_defn *l = language_defn::languages[lang]; |
483 | gdb_assert (l != nullptr); | |
484 | return l; | |
c906108c SS |
485 | } |
486 | ||
1777feb0 | 487 | /* Return the language as a string. */ |
47e77640 | 488 | |
27cd387b | 489 | const char * |
fba45db2 | 490 | language_str (enum language lang) |
c906108c | 491 | { |
6f7664a9 | 492 | return language_def (lang)->name (); |
c906108c SS |
493 | } |
494 | ||
c906108c | 495 | \f |
c906108c | 496 | |
47e77640 | 497 | /* Build and install the "set language LANG" command. */ |
b84aa90a | 498 | |
47e77640 PA |
499 | static void |
500 | add_set_language_command () | |
501 | { | |
502 | static const char **language_names; | |
c906108c | 503 | |
47e77640 PA |
504 | /* Build the language names array, to be used as enumeration in the |
505 | "set language" enum command. +1 for "local" and +1 for NULL | |
506 | termination. */ | |
0874fd07 | 507 | language_names = new const char *[ARRAY_SIZE (language_defn::languages) + 2]; |
47e77640 PA |
508 | |
509 | /* Display "auto", "local" and "unknown" first, and then the rest, | |
510 | alpha sorted. */ | |
511 | const char **language_names_p = language_names; | |
6f7664a9 | 512 | *language_names_p++ = language_def (language_auto)->name (); |
47e77640 | 513 | *language_names_p++ = "local"; |
6f7664a9 | 514 | *language_names_p++ = language_def (language_unknown)->name (); |
47e77640 | 515 | const char **sort_begin = language_names_p; |
0874fd07 | 516 | for (const auto &lang : language_defn::languages) |
c906108c | 517 | { |
47e77640 PA |
518 | /* Already handled above. */ |
519 | if (lang->la_language == language_auto | |
520 | || lang->la_language == language_unknown) | |
521 | continue; | |
6f7664a9 | 522 | *language_names_p++ = lang->name (); |
c906108c | 523 | } |
47e77640 PA |
524 | *language_names_p = NULL; |
525 | std::sort (sort_begin, language_names_p, compare_cstrings); | |
b84aa90a | 526 | |
56618e20 | 527 | /* Add the filename extensions. */ |
0874fd07 | 528 | for (const auto &lang : language_defn::languages) |
e171d6f1 AB |
529 | for (const char * const &ext : lang->filename_extensions ()) |
530 | add_filename_language (ext, lang->la_language); | |
56618e20 | 531 | |
b84aa90a | 532 | /* Build the "help set language" docs. */ |
d7e74731 | 533 | string_file doc; |
b84aa90a | 534 | |
d7e74731 PA |
535 | doc.printf (_("Set the current source language.\n" |
536 | "The currently understood settings are:\n\nlocal or " | |
89549d7f | 537 | "auto Automatic setting based on source file")); |
b84aa90a | 538 | |
0874fd07 | 539 | for (const auto &lang : language_defn::languages) |
b84aa90a PA |
540 | { |
541 | /* Already dealt with these above. */ | |
47e77640 PA |
542 | if (lang->la_language == language_unknown |
543 | || lang->la_language == language_auto) | |
b84aa90a PA |
544 | continue; |
545 | ||
89549d7f TT |
546 | /* Note that we add the newline at the front, so we don't wind |
547 | up with a trailing newline. */ | |
6f7664a9 AB |
548 | doc.printf ("\n%-16s Use the %s language", |
549 | lang->name (), | |
550 | lang->natural_name ()); | |
b84aa90a PA |
551 | } |
552 | ||
b84aa90a | 553 | add_setshow_enum_cmd ("language", class_support, |
47e77640 | 554 | language_names, |
b84aa90a | 555 | &language, |
d7e74731 | 556 | doc.c_str (), |
3e43a32a MS |
557 | _("Show the current source language."), |
558 | NULL, set_language_command, | |
b84aa90a PA |
559 | show_language_command, |
560 | &setlist, &showlist); | |
c906108c SS |
561 | } |
562 | ||
f636b87d AF |
563 | /* Iterate through all registered languages looking for and calling |
564 | any non-NULL struct language_defn.skip_trampoline() functions. | |
565 | Return the result from the first that returns non-zero, or 0 if all | |
566 | `fail'. */ | |
567 | CORE_ADDR | |
52f729a7 | 568 | skip_language_trampoline (struct frame_info *frame, CORE_ADDR pc) |
f636b87d | 569 | { |
0874fd07 | 570 | for (const auto &lang : language_defn::languages) |
f636b87d | 571 | { |
f6eee2d0 | 572 | CORE_ADDR real_pc = lang->skip_trampoline (frame, pc); |
e0881a8e | 573 | |
f6eee2d0 AB |
574 | if (real_pc != 0) |
575 | return real_pc; | |
f636b87d AF |
576 | } |
577 | ||
578 | return 0; | |
579 | } | |
580 | ||
1777feb0 | 581 | /* Return demangled language symbol, or NULL. |
9a3d7dfd AF |
582 | FIXME: Options are only useful for certain languages and ignored |
583 | by others, so it would be better to remove them here and have a | |
1777feb0 | 584 | more flexible demangler for the languages that need it. |
9a3d7dfd AF |
585 | FIXME: Sometimes the demangler is invoked when we don't know the |
586 | language, so we can't use this everywhere. */ | |
587 | char * | |
588 | language_demangle (const struct language_defn *current_language, | |
589 | const char *mangled, int options) | |
590 | { | |
0a50df5d | 591 | if (current_language != NULL) |
5399db93 | 592 | return current_language->demangle_symbol (mangled, options); |
9a3d7dfd AF |
593 | return NULL; |
594 | } | |
595 | ||
9d084466 TBA |
596 | /* Return information about whether TYPE should be passed |
597 | (and returned) by reference at the language level. */ | |
598 | ||
599 | struct language_pass_by_ref_info | |
41f1b697 DJ |
600 | language_pass_by_reference (struct type *type) |
601 | { | |
48448202 | 602 | return current_language->pass_by_reference_info (type); |
41f1b697 DJ |
603 | } |
604 | ||
9f0a5303 JB |
605 | /* Return the default string containing the list of characters |
606 | delimiting words. This is a reasonable default value that | |
607 | most languages should be able to use. */ | |
608 | ||
67cb5b2d | 609 | const char * |
9f0a5303 JB |
610 | default_word_break_characters (void) |
611 | { | |
612 | return " \t\n!@#$%^&*()+=|~`}{[]\"';:?/>.<,-"; | |
613 | } | |
f636b87d | 614 | |
5bd40f2a | 615 | /* See language.h. */ |
e79af960 JB |
616 | |
617 | void | |
5bd40f2a AB |
618 | language_defn::print_array_index (struct type *index_type, LONGEST index, |
619 | struct ui_file *stream, | |
620 | const value_print_options *options) const | |
e79af960 | 621 | { |
53a47a3e TT |
622 | struct value *index_value = value_from_longest (index_type, index); |
623 | ||
e79af960 | 624 | fprintf_filtered (stream, "["); |
00c696a6 | 625 | value_print (index_value, stream, options); |
e79af960 JB |
626 | fprintf_filtered (stream, "] = "); |
627 | } | |
628 | ||
f16a9f57 AB |
629 | /* See language.h. */ |
630 | ||
631 | gdb::unique_xmalloc_ptr<char> | |
632 | language_defn::watch_location_expression (struct type *type, | |
633 | CORE_ADDR addr) const | |
634 | { | |
635 | /* Generates an expression that assumes a C like syntax is valid. */ | |
636 | type = check_typedef (TYPE_TARGET_TYPE (check_typedef (type))); | |
637 | std::string name = type_to_string (type); | |
638 | return gdb::unique_xmalloc_ptr<char> | |
639 | (xstrprintf ("* (%s *) %s", name.c_str (), core_addr_to_string (addr))); | |
640 | } | |
641 | ||
a1d1fa3e AB |
642 | /* See language.h. */ |
643 | ||
644 | void | |
645 | language_defn::value_print (struct value *val, struct ui_file *stream, | |
646 | const struct value_print_options *options) const | |
647 | { | |
648 | return c_value_print (val, stream, options); | |
649 | } | |
650 | ||
ebe2334e AB |
651 | /* See language.h. */ |
652 | ||
87afa652 AB |
653 | int |
654 | language_defn::parser (struct parser_state *ps) const | |
655 | { | |
656 | return c_parse (ps); | |
657 | } | |
658 | ||
659 | /* See language.h. */ | |
660 | ||
ebe2334e AB |
661 | void |
662 | language_defn::value_print_inner | |
663 | (struct value *val, struct ui_file *stream, int recurse, | |
664 | const struct value_print_options *options) const | |
665 | { | |
666 | return c_value_print_inner (val, stream, recurse, options); | |
667 | } | |
668 | ||
ec8cec5b AB |
669 | /* See language.h. */ |
670 | ||
671 | void | |
672 | language_defn::emitchar (int ch, struct type *chtype, | |
673 | struct ui_file * stream, int quoter) const | |
674 | { | |
675 | c_emit_char (ch, chtype, stream, quoter); | |
676 | } | |
677 | ||
52b50f2c AB |
678 | /* See language.h. */ |
679 | ||
680 | void | |
681 | language_defn::printchar (int ch, struct type *chtype, | |
682 | struct ui_file * stream) const | |
683 | { | |
684 | c_printchar (ch, chtype, stream); | |
685 | } | |
686 | ||
d711ee67 AB |
687 | /* See language.h. */ |
688 | ||
689 | void | |
690 | language_defn::printstr (struct ui_file *stream, struct type *elttype, | |
691 | const gdb_byte *string, unsigned int length, | |
692 | const char *encoding, int force_ellipses, | |
693 | const struct value_print_options *options) const | |
694 | { | |
695 | c_printstr (stream, elttype, string, length, encoding, force_ellipses, | |
696 | options); | |
697 | } | |
698 | ||
4ffc13fb AB |
699 | /* See language.h. */ |
700 | ||
701 | void | |
702 | language_defn::print_typedef (struct type *type, struct symbol *new_symbol, | |
703 | struct ui_file *stream) const | |
704 | { | |
705 | c_print_typedef (type, new_symbol, stream); | |
706 | } | |
707 | ||
39e7ecca AB |
708 | /* See language.h. */ |
709 | ||
710 | bool | |
711 | language_defn::is_string_type_p (struct type *type) const | |
712 | { | |
713 | return c_is_string_type_p (type); | |
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 | { | |
b01175fc AB |
800 | lai->string_char_type = builtin_type (gdbarch)->builtin_char; |
801 | lai->bool_type_default = builtin_type (gdbarch)->builtin_int; | |
802 | lai->primitive_type_vector = GDBARCH_OBSTACK_CALLOC (gdbarch, 1, | |
803 | struct type *); | |
1fb314aa | 804 | } |
fbfb0a46 AB |
805 | |
806 | /* See language.h. */ | |
807 | ||
808 | void print_type (struct type *type, const char *varstring, | |
809 | struct ui_file *stream, int show, int level, | |
810 | const struct type_print_options *flags) const override | |
811 | { | |
b01175fc AB |
812 | error (_("type printing not implemented for language \"%s\""), |
813 | natural_name ()); | |
fbfb0a46 | 814 | } |
0a50df5d AB |
815 | |
816 | /* See language.h. */ | |
817 | ||
5399db93 | 818 | char *demangle_symbol (const char *mangled, int options) const override |
0a50df5d | 819 | { |
b01175fc | 820 | /* The auto language just uses the C++ demangler. */ |
0a50df5d AB |
821 | return gdb_demangle (mangled, options); |
822 | } | |
a1d1fa3e AB |
823 | |
824 | /* See language.h. */ | |
825 | ||
826 | void value_print (struct value *val, struct ui_file *stream, | |
827 | const struct value_print_options *options) const override | |
828 | { | |
b01175fc AB |
829 | error (_("value printing not implemented for language \"%s\""), |
830 | natural_name ()); | |
a1d1fa3e | 831 | } |
ebe2334e AB |
832 | |
833 | /* See language.h. */ | |
834 | ||
835 | void value_print_inner | |
836 | (struct value *val, struct ui_file *stream, int recurse, | |
837 | const struct value_print_options *options) const override | |
838 | { | |
b01175fc AB |
839 | error (_("inner value printing not implemented for language \"%s\""), |
840 | natural_name ()); | |
ebe2334e | 841 | } |
87afa652 AB |
842 | |
843 | /* See language.h. */ | |
844 | ||
845 | int parser (struct parser_state *ps) const override | |
846 | { | |
847 | /* No parsing is done, just claim success. */ | |
848 | return 1; | |
849 | } | |
ec8cec5b AB |
850 | |
851 | /* See language.h. */ | |
852 | ||
853 | void emitchar (int ch, struct type *chtype, | |
854 | struct ui_file *stream, int quoter) const override | |
855 | { | |
b01175fc AB |
856 | error (_("emit character not implemented for language \"%s\""), |
857 | natural_name ()); | |
ec8cec5b | 858 | } |
52b50f2c AB |
859 | |
860 | /* See language.h. */ | |
861 | ||
862 | void printchar (int ch, struct type *chtype, | |
863 | struct ui_file *stream) const override | |
864 | { | |
b01175fc AB |
865 | error (_("print character not implemented for language \"%s\""), |
866 | natural_name ()); | |
52b50f2c | 867 | } |
d711ee67 AB |
868 | |
869 | /* See language.h. */ | |
870 | ||
871 | void printstr (struct ui_file *stream, struct type *elttype, | |
872 | const gdb_byte *string, unsigned int length, | |
873 | const char *encoding, int force_ellipses, | |
874 | const struct value_print_options *options) const override | |
875 | { | |
b01175fc AB |
876 | error (_("print string not implemented for language \"%s\""), |
877 | natural_name ()); | |
d711ee67 | 878 | } |
4ffc13fb AB |
879 | |
880 | /* See language.h. */ | |
881 | ||
882 | void print_typedef (struct type *type, struct symbol *new_symbol, | |
883 | struct ui_file *stream) const override | |
884 | { | |
b01175fc AB |
885 | error (_("print typedef not implemented for language \"%s\""), |
886 | natural_name ()); | |
4ffc13fb | 887 | } |
39e7ecca AB |
888 | |
889 | /* See language.h. */ | |
890 | ||
891 | bool is_string_type_p (struct type *type) const override | |
892 | { | |
b01175fc AB |
893 | type = check_typedef (type); |
894 | while (type->code () == TYPE_CODE_REF) | |
895 | { | |
896 | type = TYPE_TARGET_TYPE (type); | |
897 | type = check_typedef (type); | |
898 | } | |
899 | return (type->code () == TYPE_CODE_STRING); | |
39e7ecca | 900 | } |
5bae7c4e AB |
901 | |
902 | /* See language.h. */ | |
903 | ||
904 | const char *name_of_this () const override | |
905 | { return "this"; } | |
d3355e4d AB |
906 | |
907 | /* See language.h. */ | |
908 | ||
b7c6e27d | 909 | const struct op_print *opcode_print_table () const override |
b01175fc AB |
910 | { |
911 | static const struct op_print unk_op_print_tab[] = | |
912 | { | |
913 | {NULL, OP_NULL, PREC_NULL, 0} | |
914 | }; | |
0874fd07 | 915 | |
b01175fc AB |
916 | return unk_op_print_tab; |
917 | } | |
918 | }; | |
0874fd07 | 919 | |
0874fd07 AB |
920 | /* Class representing the fake "auto" language. */ |
921 | ||
b01175fc | 922 | class auto_language : public auto_or_unknown_language |
0874fd07 AB |
923 | { |
924 | public: | |
925 | auto_language () | |
b01175fc | 926 | : auto_or_unknown_language (language_auto) |
0874fd07 | 927 | { /* Nothing. */ } |
1fb314aa | 928 | |
6f7664a9 AB |
929 | /* See language.h. */ |
930 | ||
931 | const char *name () const override | |
932 | { return "auto"; } | |
933 | ||
934 | /* See language.h. */ | |
935 | ||
936 | const char *natural_name () const override | |
937 | { return "Auto"; } | |
b01175fc | 938 | }; |
6f7664a9 | 939 | |
b01175fc | 940 | /* Single instance of the fake "auto" language. */ |
d711ee67 | 941 | |
b01175fc | 942 | static auto_language auto_language_defn; |
4ffc13fb | 943 | |
b01175fc | 944 | /* Class representing the unknown language. */ |
4ffc13fb | 945 | |
b01175fc AB |
946 | class unknown_language : public auto_or_unknown_language |
947 | { | |
948 | public: | |
949 | unknown_language () | |
950 | : auto_or_unknown_language (language_unknown) | |
951 | { /* Nothing. */ } | |
39e7ecca AB |
952 | |
953 | /* See language.h. */ | |
954 | ||
b01175fc AB |
955 | const char *name () const override |
956 | { return "unknown"; } | |
5bae7c4e AB |
957 | |
958 | /* See language.h. */ | |
959 | ||
b01175fc AB |
960 | const char *natural_name () const override |
961 | { return "Unknown"; } | |
b7c6e27d AB |
962 | |
963 | /* See language.h. */ | |
964 | ||
b01175fc AB |
965 | bool store_sym_names_in_linkage_form_p () const override |
966 | { return true; } | |
0874fd07 AB |
967 | }; |
968 | ||
b01175fc | 969 | /* Single instance of the unknown language class. */ |
0874fd07 | 970 | |
b01175fc | 971 | static unknown_language unknown_language_defn; |
0874fd07 | 972 | |
c906108c | 973 | \f |
f290d38e AC |
974 | /* Per-architecture language information. */ |
975 | ||
976 | static struct gdbarch_data *language_gdbarch_data; | |
977 | ||
978 | struct language_gdbarch | |
979 | { | |
980 | /* A vector of per-language per-architecture info. Indexed by "enum | |
981 | language". */ | |
982 | struct language_arch_info arch_info[nr_languages]; | |
983 | }; | |
984 | ||
985 | static void * | |
986 | language_gdbarch_post_init (struct gdbarch *gdbarch) | |
987 | { | |
988 | struct language_gdbarch *l; | |
f290d38e AC |
989 | |
990 | l = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct language_gdbarch); | |
0874fd07 | 991 | for (const auto &lang : language_defn::languages) |
1fb314aa AB |
992 | { |
993 | gdb_assert (lang != nullptr); | |
994 | lang->language_arch_info (gdbarch, | |
995 | l->arch_info + lang->la_language); | |
996 | } | |
47e77640 | 997 | |
f290d38e AC |
998 | return l; |
999 | } | |
1000 | ||
1001 | struct type * | |
1002 | language_string_char_type (const struct language_defn *la, | |
1003 | struct gdbarch *gdbarch) | |
1004 | { | |
9a3c8263 SM |
1005 | struct language_gdbarch *ld |
1006 | = (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data); | |
e0881a8e | 1007 | |
aba2dd37 | 1008 | return ld->arch_info[la->la_language].string_char_type; |
f290d38e AC |
1009 | } |
1010 | ||
fbb06eb1 UW |
1011 | struct type * |
1012 | language_bool_type (const struct language_defn *la, | |
1013 | struct gdbarch *gdbarch) | |
1014 | { | |
9a3c8263 SM |
1015 | struct language_gdbarch *ld |
1016 | = (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data); | |
fbb06eb1 UW |
1017 | |
1018 | if (ld->arch_info[la->la_language].bool_type_symbol) | |
1019 | { | |
1020 | struct symbol *sym; | |
e0881a8e | 1021 | |
fbb06eb1 | 1022 | sym = lookup_symbol (ld->arch_info[la->la_language].bool_type_symbol, |
d12307c1 | 1023 | NULL, VAR_DOMAIN, NULL).symbol; |
fbb06eb1 UW |
1024 | if (sym) |
1025 | { | |
1026 | struct type *type = SYMBOL_TYPE (sym); | |
e0881a8e | 1027 | |
78134374 | 1028 | if (type && type->code () == TYPE_CODE_BOOL) |
fbb06eb1 UW |
1029 | return type; |
1030 | } | |
1031 | } | |
1032 | ||
1033 | return ld->arch_info[la->la_language].bool_type_default; | |
1034 | } | |
1035 | ||
1994afbf DE |
1036 | /* Helper function for primitive type lookup. */ |
1037 | ||
1038 | static struct type ** | |
1039 | language_lookup_primitive_type_1 (const struct language_arch_info *lai, | |
1040 | const char *name) | |
1041 | { | |
1042 | struct type **p; | |
1043 | ||
1044 | for (p = lai->primitive_type_vector; (*p) != NULL; p++) | |
1045 | { | |
7d93a1e0 | 1046 | if (strcmp ((*p)->name (), name) == 0) |
1994afbf DE |
1047 | return p; |
1048 | } | |
1049 | return NULL; | |
1050 | } | |
1051 | ||
1052 | /* See language.h. */ | |
1053 | ||
f290d38e | 1054 | struct type * |
46b0da17 DE |
1055 | language_lookup_primitive_type (const struct language_defn *la, |
1056 | struct gdbarch *gdbarch, | |
1057 | const char *name) | |
f290d38e | 1058 | { |
9a3c8263 SM |
1059 | struct language_gdbarch *ld = |
1060 | (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data); | |
1994afbf DE |
1061 | struct type **typep; |
1062 | ||
1063 | typep = language_lookup_primitive_type_1 (&ld->arch_info[la->la_language], | |
1064 | name); | |
1065 | if (typep == NULL) | |
1066 | return NULL; | |
1067 | return *typep; | |
1068 | } | |
1069 | ||
1070 | /* Helper function for type lookup as a symbol. | |
1071 | Create the symbol corresponding to type TYPE in language LANG. */ | |
1072 | ||
1073 | static struct symbol * | |
1074 | language_alloc_type_symbol (enum language lang, struct type *type) | |
1075 | { | |
1076 | struct symbol *symbol; | |
1077 | struct gdbarch *gdbarch; | |
1078 | ||
1079 | gdb_assert (!TYPE_OBJFILE_OWNED (type)); | |
1080 | ||
1081 | gdbarch = TYPE_OWNER (type).gdbarch; | |
468c0cbb | 1082 | symbol = new (gdbarch_obstack (gdbarch)) struct symbol (); |
1994afbf | 1083 | |
7d93a1e0 | 1084 | symbol->m_name = type->name (); |
d3ecddab | 1085 | symbol->set_language (lang, nullptr); |
1994afbf DE |
1086 | symbol->owner.arch = gdbarch; |
1087 | SYMBOL_OBJFILE_OWNED (symbol) = 0; | |
8c14c3a3 | 1088 | SYMBOL_SECTION (symbol) = 0; |
1994afbf DE |
1089 | SYMBOL_TYPE (symbol) = type; |
1090 | SYMBOL_DOMAIN (symbol) = VAR_DOMAIN; | |
1091 | SYMBOL_ACLASS_INDEX (symbol) = LOC_TYPEDEF; | |
1092 | ||
1093 | return symbol; | |
1094 | } | |
1095 | ||
1096 | /* Initialize the primitive type symbols of language LD. | |
1097 | The primitive type vector must have already been initialized. */ | |
1098 | ||
1099 | static void | |
1100 | language_init_primitive_type_symbols (struct language_arch_info *lai, | |
1101 | const struct language_defn *la, | |
1102 | struct gdbarch *gdbarch) | |
1103 | { | |
1104 | int n; | |
1994afbf DE |
1105 | |
1106 | gdb_assert (lai->primitive_type_vector != NULL); | |
1107 | ||
1108 | for (n = 0; lai->primitive_type_vector[n] != NULL; ++n) | |
1109 | continue; | |
1110 | ||
1111 | lai->primitive_type_symbols | |
1112 | = GDBARCH_OBSTACK_CALLOC (gdbarch, n + 1, struct symbol *); | |
1113 | ||
1114 | for (n = 0; lai->primitive_type_vector[n] != NULL; ++n) | |
1115 | { | |
1116 | lai->primitive_type_symbols[n] | |
1117 | = language_alloc_type_symbol (la->la_language, | |
1118 | lai->primitive_type_vector[n]); | |
1119 | } | |
1120 | ||
1121 | /* Note: The result of symbol lookup is normally a symbol *and* the block | |
d12307c1 PMR |
1122 | it was found in. Builtin types don't live in blocks. We *could* give |
1123 | them one, but there is no current need so to keep things simple symbol | |
1124 | lookup is extended to allow for BLOCK_FOUND to be NULL. */ | |
1994afbf DE |
1125 | } |
1126 | ||
1127 | /* See language.h. */ | |
1128 | ||
1129 | struct symbol * | |
1130 | language_lookup_primitive_type_as_symbol (const struct language_defn *la, | |
1131 | struct gdbarch *gdbarch, | |
1132 | const char *name) | |
1133 | { | |
9a3c8263 SM |
1134 | struct language_gdbarch *ld |
1135 | = (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data); | |
1994afbf DE |
1136 | struct language_arch_info *lai = &ld->arch_info[la->la_language]; |
1137 | struct type **typep; | |
1138 | struct symbol *sym; | |
e0881a8e | 1139 | |
cc485e62 DE |
1140 | if (symbol_lookup_debug) |
1141 | { | |
1142 | fprintf_unfiltered (gdb_stdlog, | |
1994afbf DE |
1143 | "language_lookup_primitive_type_as_symbol" |
1144 | " (%s, %s, %s)", | |
6f7664a9 | 1145 | la->name (), host_address_to_string (gdbarch), name); |
cc485e62 DE |
1146 | } |
1147 | ||
1994afbf DE |
1148 | typep = language_lookup_primitive_type_1 (lai, name); |
1149 | if (typep == NULL) | |
f290d38e | 1150 | { |
1994afbf DE |
1151 | if (symbol_lookup_debug) |
1152 | fprintf_unfiltered (gdb_stdlog, " = NULL\n"); | |
1153 | return NULL; | |
f290d38e | 1154 | } |
cc485e62 | 1155 | |
1994afbf DE |
1156 | /* The set of symbols is lazily initialized. */ |
1157 | if (lai->primitive_type_symbols == NULL) | |
1158 | language_init_primitive_type_symbols (lai, la, gdbarch); | |
1159 | ||
1160 | sym = lai->primitive_type_symbols[typep - lai->primitive_type_vector]; | |
1161 | ||
cc485e62 | 1162 | if (symbol_lookup_debug) |
1994afbf DE |
1163 | fprintf_unfiltered (gdb_stdlog, " = %s\n", host_address_to_string (sym)); |
1164 | return sym; | |
f290d38e AC |
1165 | } |
1166 | ||
1777feb0 | 1167 | /* Initialize the language routines. */ |
c906108c | 1168 | |
6c265988 | 1169 | void _initialize_language (); |
c906108c | 1170 | void |
6c265988 | 1171 | _initialize_language () |
c906108c | 1172 | { |
40478521 | 1173 | static const char *const type_or_range_names[] |
b84aa90a PA |
1174 | = { "on", "off", "warn", "auto", NULL }; |
1175 | ||
40478521 | 1176 | static const char *const case_sensitive_names[] |
b84aa90a | 1177 | = { "on", "off", "auto", NULL }; |
c5aa993b | 1178 | |
f290d38e AC |
1179 | language_gdbarch_data |
1180 | = gdbarch_data_register_post_init (language_gdbarch_post_init); | |
1181 | ||
1777feb0 | 1182 | /* GDB commands for language specific stuff. */ |
c5aa993b | 1183 | |
0743fc83 TT |
1184 | add_basic_prefix_cmd ("check", no_class, |
1185 | _("Set the status of the type/range checker."), | |
1186 | &setchecklist, "set check ", 0, &setlist); | |
c5aa993b JM |
1187 | add_alias_cmd ("c", "check", no_class, 1, &setlist); |
1188 | add_alias_cmd ("ch", "check", no_class, 1, &setlist); | |
1189 | ||
0743fc83 TT |
1190 | add_show_prefix_cmd ("check", no_class, |
1191 | _("Show the status of the type/range checker."), | |
1192 | &showchecklist, "show check ", 0, &showlist); | |
c5aa993b JM |
1193 | add_alias_cmd ("c", "check", no_class, 1, &showlist); |
1194 | add_alias_cmd ("ch", "check", no_class, 1, &showlist); | |
1195 | ||
b84aa90a | 1196 | add_setshow_enum_cmd ("range", class_support, type_or_range_names, |
3e43a32a | 1197 | &range, |
590042fc PW |
1198 | _("Set range checking (on/warn/off/auto)."), |
1199 | _("Show range checking (on/warn/off/auto)."), | |
3e43a32a | 1200 | NULL, set_range_command, |
b84aa90a PA |
1201 | show_range_command, |
1202 | &setchecklist, &showchecklist); | |
1203 | ||
1204 | add_setshow_enum_cmd ("case-sensitive", class_support, case_sensitive_names, | |
1205 | &case_sensitive, _("\ | |
590042fc PW |
1206 | Set case sensitivity in name search (on/off/auto)."), _("\ |
1207 | Show case sensitivity in name search (on/off/auto)."), _("\ | |
4d28ad1e | 1208 | For Fortran the default is off; for other languages the default is on."), |
b84aa90a PA |
1209 | set_case_command, |
1210 | show_case_command, | |
1211 | &setlist, &showlist); | |
63872f9d | 1212 | |
0874fd07 AB |
1213 | /* In order to call SET_LANGUAGE (below) we need to make sure that |
1214 | CURRENT_LANGUAGE is not NULL. So first set the language to unknown, | |
1215 | then we can change the language to 'auto'. */ | |
1216 | current_language = language_def (language_unknown); | |
1217 | ||
47e77640 | 1218 | add_set_language_command (); |
c5aa993b | 1219 | |
4a811000 PW |
1220 | language = "auto"; |
1221 | range = "auto"; | |
1222 | case_sensitive = "auto"; | |
63872f9d | 1223 | |
1777feb0 | 1224 | /* Have the above take effect. */ |
63872f9d | 1225 | set_language (language_auto); |
c906108c | 1226 | } |