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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 | |
410a0ff2 | 50 | static int unk_lang_parser (struct parser_state *); |
c906108c | 51 | |
a451cb65 | 52 | static void set_range_case (void); |
c906108c | 53 | |
6c7a06a3 TT |
54 | static void unk_lang_emit_char (int c, struct type *type, |
55 | struct ui_file *stream, int quoter); | |
c906108c | 56 | |
6c7a06a3 TT |
57 | static void unk_lang_printchar (int c, struct type *type, |
58 | struct ui_file *stream); | |
c906108c | 59 | |
8e069a98 TT |
60 | static void unk_lang_value_print (struct value *, struct ui_file *, |
61 | const struct value_print_options *); | |
c906108c | 62 | |
c906108c | 63 | /* The current (default at startup) state of type and range checking. |
c5aa993b JM |
64 | (If the modes are set to "auto", though, these are changed based |
65 | on the default language at startup, and then again based on the | |
66 | language of the first source file. */ | |
c906108c SS |
67 | |
68 | enum range_mode range_mode = range_mode_auto; | |
69 | enum range_check range_check = range_check_off; | |
63872f9d JG |
70 | enum case_mode case_mode = case_mode_auto; |
71 | enum case_sensitivity case_sensitivity = case_sensitive_on; | |
c906108c | 72 | |
1777feb0 | 73 | /* The current language and language_mode (see language.h). */ |
c906108c | 74 | |
0874fd07 | 75 | const struct language_defn *current_language = nullptr; |
c906108c SS |
76 | enum language_mode language_mode = language_mode_auto; |
77 | ||
78 | /* The language that the user expects to be typing in (the language | |
79 | of main(), or the last language we notified them about, or C). */ | |
80 | ||
81 | const struct language_defn *expected_language; | |
82 | ||
0874fd07 AB |
83 | /* Define the array containing all languages. */ |
84 | ||
85 | const struct language_defn *language_defn::languages[nr_languages]; | |
c906108c | 86 | |
814fa4f6 | 87 | /* The current values of the "set language/range/case-sensitive" enum |
b84aa90a PA |
88 | commands. */ |
89 | static const char *language; | |
b84aa90a PA |
90 | static const char *range; |
91 | static const char *case_sensitive; | |
c906108c | 92 | |
34916edc CB |
93 | /* See language.h. */ |
94 | const char lang_frame_mismatch_warn[] = | |
95 | N_("Warning: the current language does not match this frame."); | |
c906108c SS |
96 | \f |
97 | /* This page contains the functions corresponding to GDB commands | |
1777feb0 | 98 | and their helpers. */ |
c906108c SS |
99 | |
100 | /* Show command. Display a warning if the language set | |
1777feb0 | 101 | does not match the frame. */ |
c906108c | 102 | static void |
4d28ad1e AC |
103 | show_language_command (struct ui_file *file, int from_tty, |
104 | struct cmd_list_element *c, const char *value) | |
c906108c | 105 | { |
7ff38b1c | 106 | enum language flang; /* The language of the frame. */ |
c906108c | 107 | |
b84aa90a PA |
108 | if (language_mode == language_mode_auto) |
109 | fprintf_filtered (gdb_stdout, | |
110 | _("The current source language is " | |
111 | "\"auto; currently %s\".\n"), | |
112 | current_language->la_name); | |
113 | else | |
3e43a32a MS |
114 | fprintf_filtered (gdb_stdout, |
115 | _("The current source language is \"%s\".\n"), | |
b84aa90a PA |
116 | current_language->la_name); |
117 | ||
7ff38b1c AB |
118 | if (has_stack_frames ()) |
119 | { | |
120 | struct frame_info *frame; | |
121 | ||
122 | frame = get_selected_frame (NULL); | |
123 | flang = get_frame_language (frame); | |
124 | if (flang != language_unknown | |
125 | && language_mode == language_mode_manual | |
126 | && current_language->la_language != flang) | |
34916edc | 127 | printf_filtered ("%s\n", _(lang_frame_mismatch_warn)); |
7ff38b1c | 128 | } |
c906108c SS |
129 | } |
130 | ||
1777feb0 | 131 | /* Set command. Change the current working language. */ |
c906108c | 132 | static void |
eb4c3f4a TT |
133 | set_language_command (const char *ignore, |
134 | int from_tty, struct cmd_list_element *c) | |
c906108c | 135 | { |
7ff38b1c | 136 | enum language flang = language_unknown; |
c906108c | 137 | |
47e77640 PA |
138 | /* "local" is a synonym of "auto". */ |
139 | if (strcmp (language, "local") == 0) | |
140 | language = "auto"; | |
141 | ||
c906108c | 142 | /* Search the list of languages for a match. */ |
0874fd07 | 143 | for (const auto &lang : language_defn::languages) |
c5aa993b | 144 | { |
47e77640 | 145 | if (strcmp (lang->la_name, language) == 0) |
c5aa993b JM |
146 | { |
147 | /* Found it! Go into manual mode, and use this language. */ | |
47e77640 | 148 | if (lang->la_language == language_auto) |
c5aa993b | 149 | { |
8b60591b JB |
150 | /* Enter auto mode. Set to the current frame's language, if |
151 | known, or fallback to the initial language. */ | |
c5aa993b | 152 | language_mode = language_mode_auto; |
a70b8144 | 153 | try |
7ff38b1c AB |
154 | { |
155 | struct frame_info *frame; | |
156 | ||
157 | frame = get_selected_frame (NULL); | |
158 | flang = get_frame_language (frame); | |
159 | } | |
230d2906 | 160 | catch (const gdb_exception_error &ex) |
7ff38b1c AB |
161 | { |
162 | flang = language_unknown; | |
163 | } | |
7ff38b1c | 164 | |
c5aa993b JM |
165 | if (flang != language_unknown) |
166 | set_language (flang); | |
8b60591b JB |
167 | else |
168 | set_initial_language (); | |
c5aa993b JM |
169 | expected_language = current_language; |
170 | return; | |
171 | } | |
172 | else | |
173 | { | |
174 | /* Enter manual mode. Set the specified language. */ | |
175 | language_mode = language_mode_manual; | |
47e77640 | 176 | current_language = lang; |
a451cb65 | 177 | set_range_case (); |
c5aa993b JM |
178 | expected_language = current_language; |
179 | return; | |
180 | } | |
181 | } | |
c906108c | 182 | } |
c906108c | 183 | |
b84aa90a PA |
184 | internal_error (__FILE__, __LINE__, |
185 | "Couldn't find language `%s' in known languages list.", | |
186 | language); | |
c906108c SS |
187 | } |
188 | ||
c906108c | 189 | /* Show command. Display a warning if the range setting does |
1777feb0 | 190 | not match the current language. */ |
c906108c | 191 | static void |
4d28ad1e AC |
192 | show_range_command (struct ui_file *file, int from_tty, |
193 | struct cmd_list_element *c, const char *value) | |
c906108c | 194 | { |
b84aa90a PA |
195 | if (range_mode == range_mode_auto) |
196 | { | |
a121b7c1 | 197 | const char *tmp; |
b84aa90a PA |
198 | |
199 | switch (range_check) | |
200 | { | |
201 | case range_check_on: | |
202 | tmp = "on"; | |
203 | break; | |
204 | case range_check_off: | |
205 | tmp = "off"; | |
206 | break; | |
207 | case range_check_warn: | |
208 | tmp = "warn"; | |
209 | break; | |
210 | default: | |
211 | internal_error (__FILE__, __LINE__, | |
212 | "Unrecognized range check setting."); | |
213 | } | |
214 | ||
215 | fprintf_filtered (gdb_stdout, | |
216 | _("Range checking is \"auto; currently %s\".\n"), | |
217 | tmp); | |
218 | } | |
219 | else | |
220 | fprintf_filtered (gdb_stdout, _("Range checking is \"%s\".\n"), | |
221 | value); | |
222 | ||
c5aa993b | 223 | if (range_check != current_language->la_range_check) |
b84aa90a PA |
224 | warning (_("the current range check setting " |
225 | "does not match the language.\n")); | |
c906108c SS |
226 | } |
227 | ||
1777feb0 | 228 | /* Set command. Change the setting for range checking. */ |
c906108c | 229 | static void |
eb4c3f4a TT |
230 | set_range_command (const char *ignore, |
231 | int from_tty, struct cmd_list_element *c) | |
c906108c | 232 | { |
6314a349 | 233 | if (strcmp (range, "on") == 0) |
c5aa993b | 234 | { |
c906108c SS |
235 | range_check = range_check_on; |
236 | range_mode = range_mode_manual; | |
c5aa993b | 237 | } |
6314a349 | 238 | else if (strcmp (range, "warn") == 0) |
c5aa993b | 239 | { |
c906108c SS |
240 | range_check = range_check_warn; |
241 | range_mode = range_mode_manual; | |
c5aa993b | 242 | } |
6314a349 | 243 | else if (strcmp (range, "off") == 0) |
c5aa993b | 244 | { |
c906108c SS |
245 | range_check = range_check_off; |
246 | range_mode = range_mode_manual; | |
c5aa993b | 247 | } |
6314a349 | 248 | else if (strcmp (range, "auto") == 0) |
c5aa993b | 249 | { |
c906108c | 250 | range_mode = range_mode_auto; |
a451cb65 | 251 | set_range_case (); |
c906108c | 252 | return; |
c5aa993b | 253 | } |
c4093a6a JM |
254 | else |
255 | { | |
b84aa90a PA |
256 | internal_error (__FILE__, __LINE__, |
257 | _("Unrecognized range check setting: \"%s\""), range); | |
c4093a6a | 258 | } |
b84aa90a PA |
259 | if (range_check != current_language->la_range_check) |
260 | warning (_("the current range check setting " | |
261 | "does not match the language.\n")); | |
c906108c SS |
262 | } |
263 | ||
63872f9d | 264 | /* Show command. Display a warning if the case sensitivity setting does |
1777feb0 | 265 | not match the current language. */ |
63872f9d | 266 | static void |
4d28ad1e AC |
267 | show_case_command (struct ui_file *file, int from_tty, |
268 | struct cmd_list_element *c, const char *value) | |
63872f9d | 269 | { |
b84aa90a PA |
270 | if (case_mode == case_mode_auto) |
271 | { | |
a121b7c1 | 272 | const char *tmp = NULL; |
b84aa90a PA |
273 | |
274 | switch (case_sensitivity) | |
275 | { | |
276 | case case_sensitive_on: | |
277 | tmp = "on"; | |
278 | break; | |
279 | case case_sensitive_off: | |
280 | tmp = "off"; | |
281 | break; | |
282 | default: | |
283 | internal_error (__FILE__, __LINE__, | |
284 | "Unrecognized case-sensitive setting."); | |
285 | } | |
286 | ||
287 | fprintf_filtered (gdb_stdout, | |
288 | _("Case sensitivity in " | |
289 | "name search is \"auto; currently %s\".\n"), | |
290 | tmp); | |
291 | } | |
292 | else | |
3e43a32a MS |
293 | fprintf_filtered (gdb_stdout, |
294 | _("Case sensitivity in name search is \"%s\".\n"), | |
b84aa90a PA |
295 | value); |
296 | ||
4d28ad1e | 297 | if (case_sensitivity != current_language->la_case_sensitivity) |
b84aa90a PA |
298 | warning (_("the current case sensitivity setting does not match " |
299 | "the language.\n")); | |
63872f9d JG |
300 | } |
301 | ||
591e78ff MK |
302 | /* Set command. Change the setting for case sensitivity. */ |
303 | ||
63872f9d | 304 | static void |
eb4c3f4a | 305 | set_case_command (const char *ignore, int from_tty, struct cmd_list_element *c) |
63872f9d | 306 | { |
591e78ff MK |
307 | if (strcmp (case_sensitive, "on") == 0) |
308 | { | |
309 | case_sensitivity = case_sensitive_on; | |
310 | case_mode = case_mode_manual; | |
311 | } | |
312 | else if (strcmp (case_sensitive, "off") == 0) | |
313 | { | |
314 | case_sensitivity = case_sensitive_off; | |
315 | case_mode = case_mode_manual; | |
316 | } | |
317 | else if (strcmp (case_sensitive, "auto") == 0) | |
318 | { | |
319 | case_mode = case_mode_auto; | |
a451cb65 | 320 | set_range_case (); |
591e78ff MK |
321 | return; |
322 | } | |
63872f9d | 323 | else |
591e78ff | 324 | { |
b84aa90a PA |
325 | internal_error (__FILE__, __LINE__, |
326 | "Unrecognized case-sensitive setting: \"%s\"", | |
327 | case_sensitive); | |
591e78ff | 328 | } |
b84aa90a PA |
329 | |
330 | if (case_sensitivity != current_language->la_case_sensitivity) | |
331 | warning (_("the current case sensitivity setting does not match " | |
332 | "the language.\n")); | |
63872f9d JG |
333 | } |
334 | ||
335 | /* Set the status of range and type checking and case sensitivity based on | |
c906108c SS |
336 | the current modes and the current language. |
337 | If SHOW is non-zero, then print out the current language, | |
1777feb0 | 338 | type and range checking status. */ |
c906108c | 339 | static void |
a451cb65 | 340 | set_range_case (void) |
c906108c | 341 | { |
c906108c SS |
342 | if (range_mode == range_mode_auto) |
343 | range_check = current_language->la_range_check; | |
344 | ||
63872f9d JG |
345 | if (case_mode == case_mode_auto) |
346 | case_sensitivity = current_language->la_case_sensitivity; | |
c906108c SS |
347 | } |
348 | ||
1777feb0 MS |
349 | /* Set current language to (enum language) LANG. Returns previous |
350 | language. */ | |
c906108c SS |
351 | |
352 | enum language | |
fba45db2 | 353 | set_language (enum language lang) |
c906108c | 354 | { |
c906108c SS |
355 | enum language prev_language; |
356 | ||
357 | prev_language = current_language->la_language; | |
0874fd07 | 358 | current_language = language_def (lang); |
47e77640 | 359 | set_range_case (); |
c906108c SS |
360 | return prev_language; |
361 | } | |
362 | \f | |
c906108c SS |
363 | |
364 | /* Print out the current language settings: language, range and | |
365 | type checking. If QUIETLY, print only what has changed. */ | |
366 | ||
367 | void | |
fba45db2 | 368 | language_info (int quietly) |
c906108c SS |
369 | { |
370 | if (quietly && expected_language == current_language) | |
371 | return; | |
372 | ||
373 | expected_language = current_language; | |
a3f17187 | 374 | printf_unfiltered (_("Current language: %s\n"), language); |
4d28ad1e | 375 | show_language_command (NULL, 1, NULL, NULL); |
c906108c SS |
376 | |
377 | if (!quietly) | |
378 | { | |
a3f17187 | 379 | printf_unfiltered (_("Range checking: %s\n"), range); |
4d28ad1e | 380 | show_range_command (NULL, 1, NULL, NULL); |
a3f17187 | 381 | printf_unfiltered (_("Case sensitivity: %s\n"), case_sensitive); |
4d28ad1e | 382 | show_case_command (NULL, 1, NULL, NULL); |
c906108c SS |
383 | } |
384 | } | |
385 | \f | |
c906108c | 386 | |
1777feb0 | 387 | /* Returns non-zero if the value is a pointer type. */ |
c906108c | 388 | int |
fba45db2 | 389 | pointer_type (struct type *type) |
c906108c | 390 | { |
78134374 | 391 | return type->code () == TYPE_CODE_PTR || TYPE_IS_REFERENCE (type); |
c906108c SS |
392 | } |
393 | ||
c906108c | 394 | \f |
c906108c | 395 | /* This page contains functions that return info about |
1777feb0 | 396 | (struct value) values used in GDB. */ |
c906108c | 397 | |
1777feb0 | 398 | /* Returns non-zero if the value VAL represents a true value. */ |
c906108c | 399 | int |
3d6d86c6 | 400 | value_true (struct value *val) |
c906108c SS |
401 | { |
402 | /* It is possible that we should have some sort of error if a non-boolean | |
403 | value is used in this context. Possibly dependent on some kind of | |
404 | "boolean-checking" option like range checking. But it should probably | |
405 | not depend on the language except insofar as is necessary to identify | |
406 | a "boolean" value (i.e. in C using a float, pointer, etc., as a boolean | |
407 | should be an error, probably). */ | |
408 | return !value_logical_not (val); | |
409 | } | |
410 | \f | |
c906108c SS |
411 | /* This page contains functions for the printing out of |
412 | error messages that occur during type- and range- | |
1777feb0 | 413 | checking. */ |
c906108c | 414 | |
a451cb65 | 415 | /* This is called when a language fails a range-check. The |
ddfe3c15 | 416 | first argument should be a printf()-style format string, and the |
a451cb65 KS |
417 | rest of the arguments should be its arguments. If range_check is |
418 | range_check_on, an error is printed; if range_check_warn, a warning; | |
419 | otherwise just the message. */ | |
c906108c SS |
420 | |
421 | void | |
ddfe3c15 | 422 | range_error (const char *string,...) |
c906108c | 423 | { |
c5aa993b | 424 | va_list args; |
c906108c | 425 | |
e0881a8e | 426 | va_start (args, string); |
ddfe3c15 AC |
427 | switch (range_check) |
428 | { | |
429 | case range_check_warn: | |
430 | vwarning (string, args); | |
431 | break; | |
432 | case range_check_on: | |
433 | verror (string, args); | |
434 | break; | |
435 | case range_check_off: | |
436 | /* FIXME: cagney/2002-01-30: Should this function print anything | |
437 | when range error is off? */ | |
438 | vfprintf_filtered (gdb_stderr, string, args); | |
439 | fprintf_filtered (gdb_stderr, "\n"); | |
440 | break; | |
441 | default: | |
e2e0b3e5 | 442 | internal_error (__FILE__, __LINE__, _("bad switch")); |
ddfe3c15 | 443 | } |
c5aa993b | 444 | va_end (args); |
c906108c | 445 | } |
c906108c | 446 | \f |
c5aa993b | 447 | |
1777feb0 | 448 | /* This page contains miscellaneous functions. */ |
c906108c | 449 | |
1777feb0 | 450 | /* Return the language enum for a given language string. */ |
c906108c SS |
451 | |
452 | enum language | |
2039bd9f | 453 | language_enum (const char *str) |
c906108c | 454 | { |
0874fd07 | 455 | for (const auto &lang : language_defn::languages) |
47e77640 PA |
456 | if (strcmp (lang->la_name, str) == 0) |
457 | return lang->la_language; | |
c906108c | 458 | |
47e77640 PA |
459 | if (strcmp (str, "local") == 0) |
460 | return language_auto; | |
c906108c SS |
461 | |
462 | return language_unknown; | |
463 | } | |
464 | ||
1777feb0 | 465 | /* Return the language struct for a given language enum. */ |
c906108c SS |
466 | |
467 | const struct language_defn * | |
fba45db2 | 468 | language_def (enum language lang) |
c906108c | 469 | { |
0874fd07 AB |
470 | const struct language_defn *l = language_defn::languages[lang]; |
471 | gdb_assert (l != nullptr); | |
472 | return l; | |
c906108c SS |
473 | } |
474 | ||
1777feb0 | 475 | /* Return the language as a string. */ |
47e77640 | 476 | |
27cd387b | 477 | const char * |
fba45db2 | 478 | language_str (enum language lang) |
c906108c | 479 | { |
0874fd07 | 480 | return language_def (lang)->la_name; |
c906108c SS |
481 | } |
482 | ||
c906108c | 483 | \f |
c906108c | 484 | |
47e77640 | 485 | /* Build and install the "set language LANG" command. */ |
b84aa90a | 486 | |
47e77640 PA |
487 | static void |
488 | add_set_language_command () | |
489 | { | |
490 | static const char **language_names; | |
c906108c | 491 | |
47e77640 PA |
492 | /* Build the language names array, to be used as enumeration in the |
493 | "set language" enum command. +1 for "local" and +1 for NULL | |
494 | termination. */ | |
0874fd07 | 495 | language_names = new const char *[ARRAY_SIZE (language_defn::languages) + 2]; |
47e77640 PA |
496 | |
497 | /* Display "auto", "local" and "unknown" first, and then the rest, | |
498 | alpha sorted. */ | |
499 | const char **language_names_p = language_names; | |
0874fd07 | 500 | *language_names_p++ = language_def (language_auto)->la_name; |
47e77640 | 501 | *language_names_p++ = "local"; |
0874fd07 | 502 | *language_names_p++ = language_def (language_unknown)->la_name; |
47e77640 | 503 | const char **sort_begin = language_names_p; |
0874fd07 | 504 | for (const auto &lang : language_defn::languages) |
c906108c | 505 | { |
47e77640 PA |
506 | /* Already handled above. */ |
507 | if (lang->la_language == language_auto | |
508 | || lang->la_language == language_unknown) | |
509 | continue; | |
510 | *language_names_p++ = lang->la_name; | |
c906108c | 511 | } |
47e77640 PA |
512 | *language_names_p = NULL; |
513 | std::sort (sort_begin, language_names_p, compare_cstrings); | |
b84aa90a | 514 | |
56618e20 | 515 | /* Add the filename extensions. */ |
0874fd07 | 516 | for (const auto &lang : language_defn::languages) |
47e77640 PA |
517 | if (lang->la_filename_extensions != NULL) |
518 | { | |
519 | for (size_t i = 0; lang->la_filename_extensions[i] != NULL; ++i) | |
520 | add_filename_language (lang->la_filename_extensions[i], | |
521 | lang->la_language); | |
522 | } | |
56618e20 | 523 | |
b84aa90a | 524 | /* Build the "help set language" docs. */ |
d7e74731 | 525 | string_file doc; |
b84aa90a | 526 | |
d7e74731 PA |
527 | doc.printf (_("Set the current source language.\n" |
528 | "The currently understood settings are:\n\nlocal or " | |
89549d7f | 529 | "auto Automatic setting based on source file")); |
b84aa90a | 530 | |
0874fd07 | 531 | for (const auto &lang : language_defn::languages) |
b84aa90a PA |
532 | { |
533 | /* Already dealt with these above. */ | |
47e77640 PA |
534 | if (lang->la_language == language_unknown |
535 | || lang->la_language == language_auto) | |
b84aa90a PA |
536 | continue; |
537 | ||
d7e74731 PA |
538 | /* FIXME: i18n: for now assume that the human-readable name is |
539 | just a capitalization of the internal name. */ | |
89549d7f TT |
540 | /* Note that we add the newline at the front, so we don't wind |
541 | up with a trailing newline. */ | |
542 | doc.printf ("\n%-16s Use the %c%s language", | |
47e77640 | 543 | lang->la_name, |
d7e74731 | 544 | /* Capitalize first letter of language name. */ |
47e77640 PA |
545 | toupper (lang->la_name[0]), |
546 | lang->la_name + 1); | |
b84aa90a PA |
547 | } |
548 | ||
b84aa90a | 549 | add_setshow_enum_cmd ("language", class_support, |
47e77640 | 550 | language_names, |
b84aa90a | 551 | &language, |
d7e74731 | 552 | doc.c_str (), |
3e43a32a MS |
553 | _("Show the current source language."), |
554 | NULL, set_language_command, | |
b84aa90a PA |
555 | show_language_command, |
556 | &setlist, &showlist); | |
c906108c SS |
557 | } |
558 | ||
f636b87d AF |
559 | /* Iterate through all registered languages looking for and calling |
560 | any non-NULL struct language_defn.skip_trampoline() functions. | |
561 | Return the result from the first that returns non-zero, or 0 if all | |
562 | `fail'. */ | |
563 | CORE_ADDR | |
52f729a7 | 564 | skip_language_trampoline (struct frame_info *frame, CORE_ADDR pc) |
f636b87d | 565 | { |
0874fd07 | 566 | for (const auto &lang : language_defn::languages) |
f636b87d | 567 | { |
f6eee2d0 | 568 | CORE_ADDR real_pc = lang->skip_trampoline (frame, pc); |
e0881a8e | 569 | |
f6eee2d0 AB |
570 | if (real_pc != 0) |
571 | return real_pc; | |
f636b87d AF |
572 | } |
573 | ||
574 | return 0; | |
575 | } | |
576 | ||
1777feb0 | 577 | /* Return demangled language symbol, or NULL. |
9a3d7dfd AF |
578 | FIXME: Options are only useful for certain languages and ignored |
579 | by others, so it would be better to remove them here and have a | |
1777feb0 | 580 | more flexible demangler for the languages that need it. |
9a3d7dfd AF |
581 | FIXME: Sometimes the demangler is invoked when we don't know the |
582 | language, so we can't use this everywhere. */ | |
583 | char * | |
584 | language_demangle (const struct language_defn *current_language, | |
585 | const char *mangled, int options) | |
586 | { | |
0a50df5d AB |
587 | if (current_language != NULL) |
588 | return current_language->demangle (mangled, options); | |
9a3d7dfd AF |
589 | return NULL; |
590 | } | |
591 | ||
31c27f77 JJ |
592 | /* Return class name from physname or NULL. */ |
593 | char * | |
79b97fa8 | 594 | language_class_name_from_physname (const struct language_defn *lang, |
31c27f77 JJ |
595 | const char *physname) |
596 | { | |
79b97fa8 TT |
597 | if (lang != NULL && lang->la_class_name_from_physname) |
598 | return lang->la_class_name_from_physname (physname); | |
31c27f77 JJ |
599 | return NULL; |
600 | } | |
601 | ||
9d084466 TBA |
602 | /* Return information about whether TYPE should be passed |
603 | (and returned) by reference at the language level. */ | |
604 | ||
605 | struct language_pass_by_ref_info | |
41f1b697 DJ |
606 | language_pass_by_reference (struct type *type) |
607 | { | |
48448202 | 608 | return current_language->pass_by_reference_info (type); |
41f1b697 DJ |
609 | } |
610 | ||
9f0a5303 JB |
611 | /* Return the default string containing the list of characters |
612 | delimiting words. This is a reasonable default value that | |
613 | most languages should be able to use. */ | |
614 | ||
67cb5b2d | 615 | const char * |
9f0a5303 JB |
616 | default_word_break_characters (void) |
617 | { | |
618 | return " \t\n!@#$%^&*()+=|~`}{[]\"';:?/>.<,-"; | |
619 | } | |
f636b87d | 620 | |
5bd40f2a | 621 | /* See language.h. */ |
e79af960 JB |
622 | |
623 | void | |
5bd40f2a AB |
624 | language_defn::print_array_index (struct type *index_type, LONGEST index, |
625 | struct ui_file *stream, | |
626 | const value_print_options *options) const | |
e79af960 | 627 | { |
53a47a3e TT |
628 | struct value *index_value = value_from_longest (index_type, index); |
629 | ||
e79af960 | 630 | fprintf_filtered (stream, "["); |
79a45b7d | 631 | LA_VALUE_PRINT (index_value, stream, options); |
e79af960 JB |
632 | fprintf_filtered (stream, "] = "); |
633 | } | |
634 | ||
b5ec771e PA |
635 | /* See language.h. */ |
636 | ||
637 | bool | |
638 | default_symbol_name_matcher (const char *symbol_search_name, | |
639 | const lookup_name_info &lookup_name, | |
a207cff2 | 640 | completion_match_result *comp_match_res) |
b5ec771e | 641 | { |
e0802d59 | 642 | gdb::string_view name = lookup_name.name (); |
bd69330d PA |
643 | completion_match_for_lcd *match_for_lcd |
644 | = (comp_match_res != NULL ? &comp_match_res->match_for_lcd : NULL); | |
b5ec771e PA |
645 | strncmp_iw_mode mode = (lookup_name.completion_mode () |
646 | ? strncmp_iw_mode::NORMAL | |
647 | : strncmp_iw_mode::MATCH_PARAMS); | |
648 | ||
e0802d59 | 649 | if (strncmp_iw_with_mode (symbol_search_name, name.data (), name.size (), |
bd69330d | 650 | mode, language_minimal, match_for_lcd) == 0) |
b5ec771e | 651 | { |
a207cff2 PA |
652 | if (comp_match_res != NULL) |
653 | comp_match_res->set_match (symbol_search_name); | |
b5ec771e PA |
654 | return true; |
655 | } | |
656 | else | |
657 | return false; | |
658 | } | |
659 | ||
660 | /* See language.h. */ | |
661 | ||
4be290b2 AB |
662 | bool |
663 | default_is_string_type_p (struct type *type) | |
664 | { | |
665 | type = check_typedef (type); | |
78134374 | 666 | while (type->code () == TYPE_CODE_REF) |
4be290b2 AB |
667 | { |
668 | type = TYPE_TARGET_TYPE (type); | |
669 | type = check_typedef (type); | |
670 | } | |
78134374 | 671 | return (type->code () == TYPE_CODE_STRING); |
4be290b2 AB |
672 | } |
673 | ||
674 | /* See language.h. */ | |
675 | ||
b5ec771e | 676 | symbol_name_matcher_ftype * |
618daa93 PA |
677 | get_symbol_name_matcher (const language_defn *lang, |
678 | const lookup_name_info &lookup_name) | |
b5ec771e | 679 | { |
c63d3e8d PA |
680 | /* If currently in Ada mode, and the lookup name is wrapped in |
681 | '<...>', hijack all symbol name comparisons using the Ada | |
682 | matcher, which handles the verbatim matching. */ | |
683 | if (current_language->la_language == language_ada | |
684 | && lookup_name.ada ().verbatim_p ()) | |
685 | return current_language->la_get_symbol_name_matcher (lookup_name); | |
686 | ||
b5ec771e PA |
687 | if (lang->la_get_symbol_name_matcher != nullptr) |
688 | return lang->la_get_symbol_name_matcher (lookup_name); | |
689 | return default_symbol_name_matcher; | |
690 | } | |
691 | ||
c906108c SS |
692 | /* Define the language that is no language. */ |
693 | ||
694 | static int | |
410a0ff2 | 695 | unk_lang_parser (struct parser_state *ps) |
c906108c SS |
696 | { |
697 | return 1; | |
698 | } | |
699 | ||
c906108c | 700 | static void |
6c7a06a3 TT |
701 | unk_lang_emit_char (int c, struct type *type, struct ui_file *stream, |
702 | int quoter) | |
c906108c | 703 | { |
3e43a32a MS |
704 | error (_("internal error - unimplemented " |
705 | "function unk_lang_emit_char called.")); | |
c906108c SS |
706 | } |
707 | ||
708 | static void | |
6c7a06a3 | 709 | unk_lang_printchar (int c, struct type *type, struct ui_file *stream) |
c906108c | 710 | { |
3e43a32a MS |
711 | error (_("internal error - unimplemented " |
712 | "function unk_lang_printchar called.")); | |
c906108c SS |
713 | } |
714 | ||
715 | static void | |
6c7a06a3 TT |
716 | unk_lang_printstr (struct ui_file *stream, struct type *type, |
717 | const gdb_byte *string, unsigned int length, | |
be759fcf | 718 | const char *encoding, int force_ellipses, |
79a45b7d | 719 | const struct value_print_options *options) |
c906108c | 720 | { |
3e43a32a MS |
721 | error (_("internal error - unimplemented " |
722 | "function unk_lang_printstr called.")); | |
c906108c SS |
723 | } |
724 | ||
d3eab38a | 725 | static void |
426a9c18 TT |
726 | unk_lang_value_print_inner (struct value *val, |
727 | struct ui_file *stream, int recurse, | |
728 | const struct value_print_options *options) | |
c906108c | 729 | { |
3e43a32a | 730 | error (_("internal error - unimplemented " |
426a9c18 | 731 | "function unk_lang_value_print_inner called.")); |
c906108c SS |
732 | } |
733 | ||
8e069a98 | 734 | static void |
79a45b7d TT |
735 | unk_lang_value_print (struct value *val, struct ui_file *stream, |
736 | const struct value_print_options *options) | |
c906108c | 737 | { |
3e43a32a MS |
738 | error (_("internal error - unimplemented " |
739 | "function unk_lang_value_print called.")); | |
c906108c SS |
740 | } |
741 | ||
31c27f77 JJ |
742 | static char *unk_lang_class_name (const char *mangled) |
743 | { | |
744 | return NULL; | |
745 | } | |
9a3d7dfd | 746 | |
c5aa993b JM |
747 | static const struct op_print unk_op_print_tab[] = |
748 | { | |
749 | {NULL, OP_NULL, PREC_NULL, 0} | |
c906108c SS |
750 | }; |
751 | ||
f290d38e AC |
752 | static void |
753 | unknown_language_arch_info (struct gdbarch *gdbarch, | |
754 | struct language_arch_info *lai) | |
755 | { | |
756 | lai->string_char_type = builtin_type (gdbarch)->builtin_char; | |
fbb06eb1 | 757 | lai->bool_type_default = builtin_type (gdbarch)->builtin_int; |
5a44ea29 | 758 | lai->primitive_type_vector = GDBARCH_OBSTACK_CALLOC (gdbarch, 1, |
f290d38e AC |
759 | struct type *); |
760 | } | |
761 | ||
0874fd07 AB |
762 | /* Constant data that describes the unknown language. */ |
763 | ||
764 | extern const struct language_data unknown_language_data = | |
c5aa993b | 765 | { |
c906108c | 766 | "unknown", |
6abde28f | 767 | "Unknown", |
c906108c | 768 | language_unknown, |
c906108c | 769 | range_check_off, |
63872f9d | 770 | case_sensitive_on, |
9a044a89 TT |
771 | array_row_major, |
772 | macro_expansion_no, | |
56618e20 | 773 | NULL, |
5f9769d1 | 774 | &exp_descriptor_standard, |
c906108c | 775 | unk_lang_parser, |
e85c3284 | 776 | null_post_parser, |
c906108c SS |
777 | unk_lang_printchar, /* Print character constant */ |
778 | unk_lang_printstr, | |
779 | unk_lang_emit_char, | |
5c6ce71d | 780 | default_print_typedef, /* Print a typedef using appropriate syntax */ |
426a9c18 | 781 | unk_lang_value_print_inner, /* la_value_print_inner */ |
c906108c | 782 | unk_lang_value_print, /* Print a top-level value */ |
2b2d9e11 | 783 | "this", /* name_of_this */ |
59cc4834 | 784 | true, /* store_sym_names_in_linkage_form_p */ |
5f9a71c3 | 785 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
3e43a32a MS |
786 | unk_lang_class_name, /* Language specific |
787 | class_name_from_physname */ | |
c906108c SS |
788 | unk_op_print_tab, /* expression operators for printing */ |
789 | 1, /* c-style arrays */ | |
790 | 0, /* String lower bound */ | |
6084f43a | 791 | default_word_break_characters, |
eb3ff9a5 | 792 | default_collect_symbol_completion_matches, |
43cc5389 | 793 | c_watch_location_expression, |
b5ec771e | 794 | NULL, /* la_get_symbol_name_matcher */ |
a53b64ea | 795 | &default_varobj_ops, |
bb2ec1b3 | 796 | NULL, |
4be290b2 | 797 | default_is_string_type_p, |
721b08c6 | 798 | "{...}" /* la_struct_too_deep_ellipsis */ |
c906108c SS |
799 | }; |
800 | ||
0874fd07 AB |
801 | /* Class representing the unknown language. */ |
802 | ||
803 | class unknown_language : public language_defn | |
804 | { | |
805 | public: | |
806 | unknown_language () | |
807 | : language_defn (language_unknown, unknown_language_data) | |
808 | { /* Nothing. */ } | |
1fb314aa AB |
809 | |
810 | /* See language.h. */ | |
811 | void language_arch_info (struct gdbarch *gdbarch, | |
812 | struct language_arch_info *lai) const override | |
813 | { | |
814 | unknown_language_arch_info (gdbarch, lai); | |
815 | } | |
fbfb0a46 AB |
816 | |
817 | /* See language.h. */ | |
818 | ||
819 | void print_type (struct type *type, const char *varstring, | |
820 | struct ui_file *stream, int show, int level, | |
821 | const struct type_print_options *flags) const override | |
822 | { | |
823 | error (_("unimplemented unknown_language::print_type called")); | |
824 | } | |
0a50df5d AB |
825 | |
826 | /* See language.h. */ | |
827 | ||
828 | char *demangle (const char *mangled, int options) const override | |
829 | { | |
830 | /* The unknown language just uses the C++ demangler. */ | |
831 | return gdb_demangle (mangled, options); | |
832 | } | |
0874fd07 AB |
833 | }; |
834 | ||
835 | /* Single instance of the unknown language class. */ | |
836 | ||
837 | static unknown_language unknown_language_defn; | |
838 | ||
839 | /* Constant data for the fake "auto" language. */ | |
840 | ||
841 | extern const struct language_data auto_language_data = | |
c5aa993b | 842 | { |
c906108c | 843 | "auto", |
6abde28f | 844 | "Auto", |
c906108c | 845 | language_auto, |
c906108c | 846 | range_check_off, |
63872f9d | 847 | case_sensitive_on, |
9a044a89 TT |
848 | array_row_major, |
849 | macro_expansion_no, | |
56618e20 | 850 | NULL, |
5f9769d1 | 851 | &exp_descriptor_standard, |
c906108c | 852 | unk_lang_parser, |
e85c3284 | 853 | null_post_parser, |
c906108c SS |
854 | unk_lang_printchar, /* Print character constant */ |
855 | unk_lang_printstr, | |
856 | unk_lang_emit_char, | |
5c6ce71d | 857 | default_print_typedef, /* Print a typedef using appropriate syntax */ |
426a9c18 | 858 | unk_lang_value_print_inner, /* la_value_print_inner */ |
c906108c | 859 | unk_lang_value_print, /* Print a top-level value */ |
2b2d9e11 | 860 | "this", /* name_of_this */ |
59cc4834 | 861 | false, /* store_sym_names_in_linkage_form_p */ |
5f9a71c3 | 862 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
3e43a32a MS |
863 | unk_lang_class_name, /* Language specific |
864 | class_name_from_physname */ | |
c906108c SS |
865 | unk_op_print_tab, /* expression operators for printing */ |
866 | 1, /* c-style arrays */ | |
867 | 0, /* String lower bound */ | |
6084f43a | 868 | default_word_break_characters, |
eb3ff9a5 | 869 | default_collect_symbol_completion_matches, |
43cc5389 | 870 | c_watch_location_expression, |
b5ec771e | 871 | NULL, /* la_get_symbol_name_matcher */ |
a53b64ea | 872 | &default_varobj_ops, |
bb2ec1b3 | 873 | NULL, |
4be290b2 | 874 | default_is_string_type_p, |
721b08c6 | 875 | "{...}" /* la_struct_too_deep_ellipsis */ |
c906108c SS |
876 | }; |
877 | ||
0874fd07 AB |
878 | /* Class representing the fake "auto" language. */ |
879 | ||
880 | class auto_language : public language_defn | |
881 | { | |
882 | public: | |
883 | auto_language () | |
884 | : language_defn (language_auto, auto_language_data) | |
885 | { /* Nothing. */ } | |
1fb314aa AB |
886 | |
887 | /* See language.h. */ | |
888 | void language_arch_info (struct gdbarch *gdbarch, | |
889 | struct language_arch_info *lai) const override | |
890 | { | |
891 | unknown_language_arch_info (gdbarch, lai); | |
892 | } | |
fbfb0a46 AB |
893 | |
894 | /* See language.h. */ | |
895 | ||
896 | void print_type (struct type *type, const char *varstring, | |
897 | struct ui_file *stream, int show, int level, | |
898 | const struct type_print_options *flags) const override | |
899 | { | |
900 | error (_("unimplemented auto_language::print_type called")); | |
901 | } | |
0a50df5d AB |
902 | |
903 | /* See language.h. */ | |
904 | ||
905 | char *demangle (const char *mangled, int options) const override | |
906 | { | |
907 | /* The auto language just uses the C++ demangler. */ | |
908 | return gdb_demangle (mangled, options); | |
909 | } | |
0874fd07 AB |
910 | }; |
911 | ||
912 | /* Single instance of the fake "auto" language. */ | |
913 | ||
914 | static auto_language auto_language_defn; | |
915 | ||
c906108c | 916 | \f |
f290d38e AC |
917 | /* Per-architecture language information. */ |
918 | ||
919 | static struct gdbarch_data *language_gdbarch_data; | |
920 | ||
921 | struct language_gdbarch | |
922 | { | |
923 | /* A vector of per-language per-architecture info. Indexed by "enum | |
924 | language". */ | |
925 | struct language_arch_info arch_info[nr_languages]; | |
926 | }; | |
927 | ||
928 | static void * | |
929 | language_gdbarch_post_init (struct gdbarch *gdbarch) | |
930 | { | |
931 | struct language_gdbarch *l; | |
f290d38e AC |
932 | |
933 | l = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct language_gdbarch); | |
0874fd07 | 934 | for (const auto &lang : language_defn::languages) |
1fb314aa AB |
935 | { |
936 | gdb_assert (lang != nullptr); | |
937 | lang->language_arch_info (gdbarch, | |
938 | l->arch_info + lang->la_language); | |
939 | } | |
47e77640 | 940 | |
f290d38e AC |
941 | return l; |
942 | } | |
943 | ||
944 | struct type * | |
945 | language_string_char_type (const struct language_defn *la, | |
946 | struct gdbarch *gdbarch) | |
947 | { | |
9a3c8263 SM |
948 | struct language_gdbarch *ld |
949 | = (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data); | |
e0881a8e | 950 | |
aba2dd37 | 951 | return ld->arch_info[la->la_language].string_char_type; |
f290d38e AC |
952 | } |
953 | ||
fbb06eb1 UW |
954 | struct type * |
955 | language_bool_type (const struct language_defn *la, | |
956 | struct gdbarch *gdbarch) | |
957 | { | |
9a3c8263 SM |
958 | struct language_gdbarch *ld |
959 | = (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data); | |
fbb06eb1 UW |
960 | |
961 | if (ld->arch_info[la->la_language].bool_type_symbol) | |
962 | { | |
963 | struct symbol *sym; | |
e0881a8e | 964 | |
fbb06eb1 | 965 | sym = lookup_symbol (ld->arch_info[la->la_language].bool_type_symbol, |
d12307c1 | 966 | NULL, VAR_DOMAIN, NULL).symbol; |
fbb06eb1 UW |
967 | if (sym) |
968 | { | |
969 | struct type *type = SYMBOL_TYPE (sym); | |
e0881a8e | 970 | |
78134374 | 971 | if (type && type->code () == TYPE_CODE_BOOL) |
fbb06eb1 UW |
972 | return type; |
973 | } | |
974 | } | |
975 | ||
976 | return ld->arch_info[la->la_language].bool_type_default; | |
977 | } | |
978 | ||
1994afbf DE |
979 | /* Helper function for primitive type lookup. */ |
980 | ||
981 | static struct type ** | |
982 | language_lookup_primitive_type_1 (const struct language_arch_info *lai, | |
983 | const char *name) | |
984 | { | |
985 | struct type **p; | |
986 | ||
987 | for (p = lai->primitive_type_vector; (*p) != NULL; p++) | |
988 | { | |
7d93a1e0 | 989 | if (strcmp ((*p)->name (), name) == 0) |
1994afbf DE |
990 | return p; |
991 | } | |
992 | return NULL; | |
993 | } | |
994 | ||
995 | /* See language.h. */ | |
996 | ||
f290d38e | 997 | struct type * |
46b0da17 DE |
998 | language_lookup_primitive_type (const struct language_defn *la, |
999 | struct gdbarch *gdbarch, | |
1000 | const char *name) | |
f290d38e | 1001 | { |
9a3c8263 SM |
1002 | struct language_gdbarch *ld = |
1003 | (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data); | |
1994afbf DE |
1004 | struct type **typep; |
1005 | ||
1006 | typep = language_lookup_primitive_type_1 (&ld->arch_info[la->la_language], | |
1007 | name); | |
1008 | if (typep == NULL) | |
1009 | return NULL; | |
1010 | return *typep; | |
1011 | } | |
1012 | ||
1013 | /* Helper function for type lookup as a symbol. | |
1014 | Create the symbol corresponding to type TYPE in language LANG. */ | |
1015 | ||
1016 | static struct symbol * | |
1017 | language_alloc_type_symbol (enum language lang, struct type *type) | |
1018 | { | |
1019 | struct symbol *symbol; | |
1020 | struct gdbarch *gdbarch; | |
1021 | ||
1022 | gdb_assert (!TYPE_OBJFILE_OWNED (type)); | |
1023 | ||
1024 | gdbarch = TYPE_OWNER (type).gdbarch; | |
468c0cbb | 1025 | symbol = new (gdbarch_obstack (gdbarch)) struct symbol (); |
1994afbf | 1026 | |
7d93a1e0 | 1027 | symbol->m_name = type->name (); |
d3ecddab | 1028 | symbol->set_language (lang, nullptr); |
1994afbf DE |
1029 | symbol->owner.arch = gdbarch; |
1030 | SYMBOL_OBJFILE_OWNED (symbol) = 0; | |
8c14c3a3 | 1031 | SYMBOL_SECTION (symbol) = 0; |
1994afbf DE |
1032 | SYMBOL_TYPE (symbol) = type; |
1033 | SYMBOL_DOMAIN (symbol) = VAR_DOMAIN; | |
1034 | SYMBOL_ACLASS_INDEX (symbol) = LOC_TYPEDEF; | |
1035 | ||
1036 | return symbol; | |
1037 | } | |
1038 | ||
1039 | /* Initialize the primitive type symbols of language LD. | |
1040 | The primitive type vector must have already been initialized. */ | |
1041 | ||
1042 | static void | |
1043 | language_init_primitive_type_symbols (struct language_arch_info *lai, | |
1044 | const struct language_defn *la, | |
1045 | struct gdbarch *gdbarch) | |
1046 | { | |
1047 | int n; | |
1994afbf DE |
1048 | |
1049 | gdb_assert (lai->primitive_type_vector != NULL); | |
1050 | ||
1051 | for (n = 0; lai->primitive_type_vector[n] != NULL; ++n) | |
1052 | continue; | |
1053 | ||
1054 | lai->primitive_type_symbols | |
1055 | = GDBARCH_OBSTACK_CALLOC (gdbarch, n + 1, struct symbol *); | |
1056 | ||
1057 | for (n = 0; lai->primitive_type_vector[n] != NULL; ++n) | |
1058 | { | |
1059 | lai->primitive_type_symbols[n] | |
1060 | = language_alloc_type_symbol (la->la_language, | |
1061 | lai->primitive_type_vector[n]); | |
1062 | } | |
1063 | ||
1064 | /* Note: The result of symbol lookup is normally a symbol *and* the block | |
d12307c1 PMR |
1065 | it was found in. Builtin types don't live in blocks. We *could* give |
1066 | them one, but there is no current need so to keep things simple symbol | |
1067 | lookup is extended to allow for BLOCK_FOUND to be NULL. */ | |
1994afbf DE |
1068 | } |
1069 | ||
1070 | /* See language.h. */ | |
1071 | ||
1072 | struct symbol * | |
1073 | language_lookup_primitive_type_as_symbol (const struct language_defn *la, | |
1074 | struct gdbarch *gdbarch, | |
1075 | const char *name) | |
1076 | { | |
9a3c8263 SM |
1077 | struct language_gdbarch *ld |
1078 | = (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data); | |
1994afbf DE |
1079 | struct language_arch_info *lai = &ld->arch_info[la->la_language]; |
1080 | struct type **typep; | |
1081 | struct symbol *sym; | |
e0881a8e | 1082 | |
cc485e62 DE |
1083 | if (symbol_lookup_debug) |
1084 | { | |
1085 | fprintf_unfiltered (gdb_stdlog, | |
1994afbf DE |
1086 | "language_lookup_primitive_type_as_symbol" |
1087 | " (%s, %s, %s)", | |
cc485e62 DE |
1088 | la->la_name, host_address_to_string (gdbarch), name); |
1089 | } | |
1090 | ||
1994afbf DE |
1091 | typep = language_lookup_primitive_type_1 (lai, name); |
1092 | if (typep == NULL) | |
f290d38e | 1093 | { |
1994afbf DE |
1094 | if (symbol_lookup_debug) |
1095 | fprintf_unfiltered (gdb_stdlog, " = NULL\n"); | |
1096 | return NULL; | |
f290d38e | 1097 | } |
cc485e62 | 1098 | |
1994afbf DE |
1099 | /* The set of symbols is lazily initialized. */ |
1100 | if (lai->primitive_type_symbols == NULL) | |
1101 | language_init_primitive_type_symbols (lai, la, gdbarch); | |
1102 | ||
1103 | sym = lai->primitive_type_symbols[typep - lai->primitive_type_vector]; | |
1104 | ||
cc485e62 | 1105 | if (symbol_lookup_debug) |
1994afbf DE |
1106 | fprintf_unfiltered (gdb_stdlog, " = %s\n", host_address_to_string (sym)); |
1107 | return sym; | |
f290d38e AC |
1108 | } |
1109 | ||
1777feb0 | 1110 | /* Initialize the language routines. */ |
c906108c | 1111 | |
6c265988 | 1112 | void _initialize_language (); |
c906108c | 1113 | void |
6c265988 | 1114 | _initialize_language () |
c906108c | 1115 | { |
40478521 | 1116 | static const char *const type_or_range_names[] |
b84aa90a PA |
1117 | = { "on", "off", "warn", "auto", NULL }; |
1118 | ||
40478521 | 1119 | static const char *const case_sensitive_names[] |
b84aa90a | 1120 | = { "on", "off", "auto", NULL }; |
c5aa993b | 1121 | |
f290d38e AC |
1122 | language_gdbarch_data |
1123 | = gdbarch_data_register_post_init (language_gdbarch_post_init); | |
1124 | ||
1777feb0 | 1125 | /* GDB commands for language specific stuff. */ |
c5aa993b | 1126 | |
0743fc83 TT |
1127 | add_basic_prefix_cmd ("check", no_class, |
1128 | _("Set the status of the type/range checker."), | |
1129 | &setchecklist, "set check ", 0, &setlist); | |
c5aa993b JM |
1130 | add_alias_cmd ("c", "check", no_class, 1, &setlist); |
1131 | add_alias_cmd ("ch", "check", no_class, 1, &setlist); | |
1132 | ||
0743fc83 TT |
1133 | add_show_prefix_cmd ("check", no_class, |
1134 | _("Show the status of the type/range checker."), | |
1135 | &showchecklist, "show check ", 0, &showlist); | |
c5aa993b JM |
1136 | add_alias_cmd ("c", "check", no_class, 1, &showlist); |
1137 | add_alias_cmd ("ch", "check", no_class, 1, &showlist); | |
1138 | ||
b84aa90a | 1139 | add_setshow_enum_cmd ("range", class_support, type_or_range_names, |
3e43a32a | 1140 | &range, |
590042fc PW |
1141 | _("Set range checking (on/warn/off/auto)."), |
1142 | _("Show range checking (on/warn/off/auto)."), | |
3e43a32a | 1143 | NULL, set_range_command, |
b84aa90a PA |
1144 | show_range_command, |
1145 | &setchecklist, &showchecklist); | |
1146 | ||
1147 | add_setshow_enum_cmd ("case-sensitive", class_support, case_sensitive_names, | |
1148 | &case_sensitive, _("\ | |
590042fc PW |
1149 | Set case sensitivity in name search (on/off/auto)."), _("\ |
1150 | Show case sensitivity in name search (on/off/auto)."), _("\ | |
4d28ad1e | 1151 | For Fortran the default is off; for other languages the default is on."), |
b84aa90a PA |
1152 | set_case_command, |
1153 | show_case_command, | |
1154 | &setlist, &showlist); | |
63872f9d | 1155 | |
0874fd07 AB |
1156 | /* In order to call SET_LANGUAGE (below) we need to make sure that |
1157 | CURRENT_LANGUAGE is not NULL. So first set the language to unknown, | |
1158 | then we can change the language to 'auto'. */ | |
1159 | current_language = language_def (language_unknown); | |
1160 | ||
47e77640 | 1161 | add_set_language_command (); |
c5aa993b | 1162 | |
4a811000 PW |
1163 | language = "auto"; |
1164 | range = "auto"; | |
1165 | case_sensitive = "auto"; | |
63872f9d | 1166 | |
1777feb0 | 1167 | /* Have the above take effect. */ |
63872f9d | 1168 | set_language (language_auto); |
c906108c | 1169 | } |