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c906108c | 1 | /* Multiple source language support for GDB. |
1bac305b | 2 | |
61baf725 | 3 | Copyright (C) 1991-2017 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> |
c906108c | 48 | |
a14ed312 | 49 | extern void _initialize_language (void); |
392a587b | 50 | |
a121b7c1 | 51 | static void unk_lang_error (const char *); |
c906108c | 52 | |
410a0ff2 | 53 | static int unk_lang_parser (struct parser_state *); |
c906108c | 54 | |
a14ed312 | 55 | static void show_check (char *, int); |
c906108c | 56 | |
a14ed312 | 57 | static void set_check (char *, int); |
c906108c | 58 | |
a451cb65 | 59 | static void set_range_case (void); |
c906108c | 60 | |
6c7a06a3 TT |
61 | static void unk_lang_emit_char (int c, struct type *type, |
62 | struct ui_file *stream, int quoter); | |
c906108c | 63 | |
6c7a06a3 TT |
64 | static void unk_lang_printchar (int c, struct type *type, |
65 | struct ui_file *stream); | |
c906108c | 66 | |
8e069a98 TT |
67 | static void unk_lang_value_print (struct value *, struct ui_file *, |
68 | const struct value_print_options *); | |
c906108c | 69 | |
52f729a7 | 70 | static CORE_ADDR unk_lang_trampoline (struct frame_info *, CORE_ADDR pc); |
f636b87d | 71 | |
c906108c SS |
72 | /* Forward declaration */ |
73 | extern const struct language_defn unknown_language_defn; | |
c5aa993b | 74 | |
c906108c | 75 | /* The current (default at startup) state of type and range checking. |
c5aa993b JM |
76 | (If the modes are set to "auto", though, these are changed based |
77 | on the default language at startup, and then again based on the | |
78 | language of the first source file. */ | |
c906108c SS |
79 | |
80 | enum range_mode range_mode = range_mode_auto; | |
81 | enum range_check range_check = range_check_off; | |
63872f9d JG |
82 | enum case_mode case_mode = case_mode_auto; |
83 | enum case_sensitivity case_sensitivity = case_sensitive_on; | |
c906108c | 84 | |
1777feb0 | 85 | /* The current language and language_mode (see language.h). */ |
c906108c SS |
86 | |
87 | const struct language_defn *current_language = &unknown_language_defn; | |
88 | enum language_mode language_mode = language_mode_auto; | |
89 | ||
90 | /* The language that the user expects to be typing in (the language | |
91 | of main(), or the last language we notified them about, or C). */ | |
92 | ||
93 | const struct language_defn *expected_language; | |
94 | ||
47e77640 PA |
95 | /* The list of supported languages. Keep this in the same order as |
96 | the 'enum language' values. */ | |
97 | ||
98 | static const struct language_defn *languages[] = { | |
99 | &unknown_language_defn, | |
100 | &auto_language_defn, | |
101 | &c_language_defn, | |
102 | &objc_language_defn, | |
103 | &cplus_language_defn, | |
104 | &d_language_defn, | |
105 | &go_language_defn, | |
106 | &f_language_defn, | |
107 | &m2_language_defn, | |
108 | &asm_language_defn, | |
109 | &pascal_language_defn, | |
110 | &opencl_language_defn, | |
111 | &rust_language_defn, | |
112 | &minimal_language_defn, | |
113 | &ada_language_defn, | |
114 | }; | |
c906108c | 115 | |
b84aa90a PA |
116 | /* The current values of the "set language/type/range" enum |
117 | commands. */ | |
118 | static const char *language; | |
119 | static const char *type; | |
120 | static const char *range; | |
121 | static const char *case_sensitive; | |
c906108c SS |
122 | |
123 | /* Warning issued when current_language and the language of the current | |
1777feb0 | 124 | frame do not match. */ |
c906108c | 125 | char lang_frame_mismatch_warn[] = |
c5aa993b | 126 | "Warning: the current language does not match this frame."; |
c906108c SS |
127 | \f |
128 | /* This page contains the functions corresponding to GDB commands | |
1777feb0 | 129 | and their helpers. */ |
c906108c SS |
130 | |
131 | /* Show command. Display a warning if the language set | |
1777feb0 | 132 | does not match the frame. */ |
c906108c | 133 | static void |
4d28ad1e AC |
134 | show_language_command (struct ui_file *file, int from_tty, |
135 | struct cmd_list_element *c, const char *value) | |
c906108c | 136 | { |
7ff38b1c | 137 | enum language flang; /* The language of the frame. */ |
c906108c | 138 | |
b84aa90a PA |
139 | if (language_mode == language_mode_auto) |
140 | fprintf_filtered (gdb_stdout, | |
141 | _("The current source language is " | |
142 | "\"auto; currently %s\".\n"), | |
143 | current_language->la_name); | |
144 | else | |
3e43a32a MS |
145 | fprintf_filtered (gdb_stdout, |
146 | _("The current source language is \"%s\".\n"), | |
b84aa90a PA |
147 | current_language->la_name); |
148 | ||
7ff38b1c AB |
149 | if (has_stack_frames ()) |
150 | { | |
151 | struct frame_info *frame; | |
152 | ||
153 | frame = get_selected_frame (NULL); | |
154 | flang = get_frame_language (frame); | |
155 | if (flang != language_unknown | |
156 | && language_mode == language_mode_manual | |
157 | && current_language->la_language != flang) | |
158 | printf_filtered ("%s\n", lang_frame_mismatch_warn); | |
159 | } | |
c906108c SS |
160 | } |
161 | ||
1777feb0 | 162 | /* Set command. Change the current working language. */ |
c906108c | 163 | static void |
4d28ad1e | 164 | set_language_command (char *ignore, int from_tty, struct cmd_list_element *c) |
c906108c | 165 | { |
7ff38b1c | 166 | enum language flang = language_unknown; |
c906108c | 167 | |
47e77640 PA |
168 | /* "local" is a synonym of "auto". */ |
169 | if (strcmp (language, "local") == 0) | |
170 | language = "auto"; | |
171 | ||
c906108c | 172 | /* Search the list of languages for a match. */ |
47e77640 | 173 | for (const auto &lang : languages) |
c5aa993b | 174 | { |
47e77640 | 175 | if (strcmp (lang->la_name, language) == 0) |
c5aa993b JM |
176 | { |
177 | /* Found it! Go into manual mode, and use this language. */ | |
47e77640 | 178 | if (lang->la_language == language_auto) |
c5aa993b | 179 | { |
8b60591b JB |
180 | /* Enter auto mode. Set to the current frame's language, if |
181 | known, or fallback to the initial language. */ | |
c5aa993b | 182 | language_mode = language_mode_auto; |
7ff38b1c AB |
183 | TRY |
184 | { | |
185 | struct frame_info *frame; | |
186 | ||
187 | frame = get_selected_frame (NULL); | |
188 | flang = get_frame_language (frame); | |
189 | } | |
190 | CATCH (ex, RETURN_MASK_ERROR) | |
191 | { | |
192 | flang = language_unknown; | |
193 | } | |
194 | END_CATCH | |
195 | ||
c5aa993b JM |
196 | if (flang != language_unknown) |
197 | set_language (flang); | |
8b60591b JB |
198 | else |
199 | set_initial_language (); | |
c5aa993b JM |
200 | expected_language = current_language; |
201 | return; | |
202 | } | |
203 | else | |
204 | { | |
205 | /* Enter manual mode. Set the specified language. */ | |
206 | language_mode = language_mode_manual; | |
47e77640 | 207 | current_language = lang; |
a451cb65 | 208 | set_range_case (); |
c5aa993b JM |
209 | expected_language = current_language; |
210 | return; | |
211 | } | |
212 | } | |
c906108c | 213 | } |
c906108c | 214 | |
b84aa90a PA |
215 | internal_error (__FILE__, __LINE__, |
216 | "Couldn't find language `%s' in known languages list.", | |
217 | language); | |
c906108c SS |
218 | } |
219 | ||
c906108c | 220 | /* Show command. Display a warning if the range setting does |
1777feb0 | 221 | not match the current language. */ |
c906108c | 222 | static void |
4d28ad1e AC |
223 | show_range_command (struct ui_file *file, int from_tty, |
224 | struct cmd_list_element *c, const char *value) | |
c906108c | 225 | { |
b84aa90a PA |
226 | if (range_mode == range_mode_auto) |
227 | { | |
a121b7c1 | 228 | const char *tmp; |
b84aa90a PA |
229 | |
230 | switch (range_check) | |
231 | { | |
232 | case range_check_on: | |
233 | tmp = "on"; | |
234 | break; | |
235 | case range_check_off: | |
236 | tmp = "off"; | |
237 | break; | |
238 | case range_check_warn: | |
239 | tmp = "warn"; | |
240 | break; | |
241 | default: | |
242 | internal_error (__FILE__, __LINE__, | |
243 | "Unrecognized range check setting."); | |
244 | } | |
245 | ||
246 | fprintf_filtered (gdb_stdout, | |
247 | _("Range checking is \"auto; currently %s\".\n"), | |
248 | tmp); | |
249 | } | |
250 | else | |
251 | fprintf_filtered (gdb_stdout, _("Range checking is \"%s\".\n"), | |
252 | value); | |
253 | ||
c5aa993b | 254 | if (range_check != current_language->la_range_check) |
b84aa90a PA |
255 | warning (_("the current range check setting " |
256 | "does not match the language.\n")); | |
c906108c SS |
257 | } |
258 | ||
1777feb0 | 259 | /* Set command. Change the setting for range checking. */ |
c906108c | 260 | static void |
4d28ad1e | 261 | set_range_command (char *ignore, int from_tty, struct cmd_list_element *c) |
c906108c | 262 | { |
6314a349 | 263 | if (strcmp (range, "on") == 0) |
c5aa993b | 264 | { |
c906108c SS |
265 | range_check = range_check_on; |
266 | range_mode = range_mode_manual; | |
c5aa993b | 267 | } |
6314a349 | 268 | else if (strcmp (range, "warn") == 0) |
c5aa993b | 269 | { |
c906108c SS |
270 | range_check = range_check_warn; |
271 | range_mode = range_mode_manual; | |
c5aa993b | 272 | } |
6314a349 | 273 | else if (strcmp (range, "off") == 0) |
c5aa993b | 274 | { |
c906108c SS |
275 | range_check = range_check_off; |
276 | range_mode = range_mode_manual; | |
c5aa993b | 277 | } |
6314a349 | 278 | else if (strcmp (range, "auto") == 0) |
c5aa993b | 279 | { |
c906108c | 280 | range_mode = range_mode_auto; |
a451cb65 | 281 | set_range_case (); |
c906108c | 282 | return; |
c5aa993b | 283 | } |
c4093a6a JM |
284 | else |
285 | { | |
b84aa90a PA |
286 | internal_error (__FILE__, __LINE__, |
287 | _("Unrecognized range check setting: \"%s\""), range); | |
c4093a6a | 288 | } |
b84aa90a PA |
289 | if (range_check != current_language->la_range_check) |
290 | warning (_("the current range check setting " | |
291 | "does not match the language.\n")); | |
c906108c SS |
292 | } |
293 | ||
63872f9d | 294 | /* Show command. Display a warning if the case sensitivity setting does |
1777feb0 | 295 | not match the current language. */ |
63872f9d | 296 | static void |
4d28ad1e AC |
297 | show_case_command (struct ui_file *file, int from_tty, |
298 | struct cmd_list_element *c, const char *value) | |
63872f9d | 299 | { |
b84aa90a PA |
300 | if (case_mode == case_mode_auto) |
301 | { | |
a121b7c1 | 302 | const char *tmp = NULL; |
b84aa90a PA |
303 | |
304 | switch (case_sensitivity) | |
305 | { | |
306 | case case_sensitive_on: | |
307 | tmp = "on"; | |
308 | break; | |
309 | case case_sensitive_off: | |
310 | tmp = "off"; | |
311 | break; | |
312 | default: | |
313 | internal_error (__FILE__, __LINE__, | |
314 | "Unrecognized case-sensitive setting."); | |
315 | } | |
316 | ||
317 | fprintf_filtered (gdb_stdout, | |
318 | _("Case sensitivity in " | |
319 | "name search is \"auto; currently %s\".\n"), | |
320 | tmp); | |
321 | } | |
322 | else | |
3e43a32a MS |
323 | fprintf_filtered (gdb_stdout, |
324 | _("Case sensitivity in name search is \"%s\".\n"), | |
b84aa90a PA |
325 | value); |
326 | ||
4d28ad1e | 327 | if (case_sensitivity != current_language->la_case_sensitivity) |
b84aa90a PA |
328 | warning (_("the current case sensitivity setting does not match " |
329 | "the language.\n")); | |
63872f9d JG |
330 | } |
331 | ||
591e78ff MK |
332 | /* Set command. Change the setting for case sensitivity. */ |
333 | ||
63872f9d | 334 | static void |
4d28ad1e | 335 | set_case_command (char *ignore, int from_tty, struct cmd_list_element *c) |
63872f9d | 336 | { |
591e78ff MK |
337 | if (strcmp (case_sensitive, "on") == 0) |
338 | { | |
339 | case_sensitivity = case_sensitive_on; | |
340 | case_mode = case_mode_manual; | |
341 | } | |
342 | else if (strcmp (case_sensitive, "off") == 0) | |
343 | { | |
344 | case_sensitivity = case_sensitive_off; | |
345 | case_mode = case_mode_manual; | |
346 | } | |
347 | else if (strcmp (case_sensitive, "auto") == 0) | |
348 | { | |
349 | case_mode = case_mode_auto; | |
a451cb65 | 350 | set_range_case (); |
591e78ff MK |
351 | return; |
352 | } | |
63872f9d | 353 | else |
591e78ff | 354 | { |
b84aa90a PA |
355 | internal_error (__FILE__, __LINE__, |
356 | "Unrecognized case-sensitive setting: \"%s\"", | |
357 | case_sensitive); | |
591e78ff | 358 | } |
b84aa90a PA |
359 | |
360 | if (case_sensitivity != current_language->la_case_sensitivity) | |
361 | warning (_("the current case sensitivity setting does not match " | |
362 | "the language.\n")); | |
63872f9d JG |
363 | } |
364 | ||
365 | /* Set the status of range and type checking and case sensitivity based on | |
c906108c SS |
366 | the current modes and the current language. |
367 | If SHOW is non-zero, then print out the current language, | |
1777feb0 | 368 | type and range checking status. */ |
c906108c | 369 | static void |
a451cb65 | 370 | set_range_case (void) |
c906108c | 371 | { |
c906108c SS |
372 | if (range_mode == range_mode_auto) |
373 | range_check = current_language->la_range_check; | |
374 | ||
63872f9d JG |
375 | if (case_mode == case_mode_auto) |
376 | case_sensitivity = current_language->la_case_sensitivity; | |
c906108c SS |
377 | } |
378 | ||
1777feb0 MS |
379 | /* Set current language to (enum language) LANG. Returns previous |
380 | language. */ | |
c906108c SS |
381 | |
382 | enum language | |
fba45db2 | 383 | set_language (enum language lang) |
c906108c | 384 | { |
c906108c SS |
385 | enum language prev_language; |
386 | ||
387 | prev_language = current_language->la_language; | |
47e77640 PA |
388 | current_language = languages[lang]; |
389 | set_range_case (); | |
c906108c SS |
390 | return prev_language; |
391 | } | |
392 | \f | |
c906108c SS |
393 | |
394 | /* Print out the current language settings: language, range and | |
395 | type checking. If QUIETLY, print only what has changed. */ | |
396 | ||
397 | void | |
fba45db2 | 398 | language_info (int quietly) |
c906108c SS |
399 | { |
400 | if (quietly && expected_language == current_language) | |
401 | return; | |
402 | ||
403 | expected_language = current_language; | |
a3f17187 | 404 | printf_unfiltered (_("Current language: %s\n"), language); |
4d28ad1e | 405 | show_language_command (NULL, 1, NULL, NULL); |
c906108c SS |
406 | |
407 | if (!quietly) | |
408 | { | |
a3f17187 | 409 | printf_unfiltered (_("Range checking: %s\n"), range); |
4d28ad1e | 410 | show_range_command (NULL, 1, NULL, NULL); |
a3f17187 | 411 | printf_unfiltered (_("Case sensitivity: %s\n"), case_sensitive); |
4d28ad1e | 412 | show_case_command (NULL, 1, NULL, NULL); |
c906108c SS |
413 | } |
414 | } | |
415 | \f | |
c906108c | 416 | |
1777feb0 | 417 | /* Returns non-zero if the value is a pointer type. */ |
c906108c | 418 | int |
fba45db2 | 419 | pointer_type (struct type *type) |
c906108c | 420 | { |
aa006118 | 421 | return TYPE_CODE (type) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (type); |
c906108c SS |
422 | } |
423 | ||
c906108c | 424 | \f |
c906108c | 425 | /* This page contains functions that return info about |
1777feb0 | 426 | (struct value) values used in GDB. */ |
c906108c | 427 | |
1777feb0 | 428 | /* Returns non-zero if the value VAL represents a true value. */ |
c906108c | 429 | int |
3d6d86c6 | 430 | value_true (struct value *val) |
c906108c SS |
431 | { |
432 | /* It is possible that we should have some sort of error if a non-boolean | |
433 | value is used in this context. Possibly dependent on some kind of | |
434 | "boolean-checking" option like range checking. But it should probably | |
435 | not depend on the language except insofar as is necessary to identify | |
436 | a "boolean" value (i.e. in C using a float, pointer, etc., as a boolean | |
437 | should be an error, probably). */ | |
438 | return !value_logical_not (val); | |
439 | } | |
440 | \f | |
c906108c SS |
441 | /* This page contains functions for the printing out of |
442 | error messages that occur during type- and range- | |
1777feb0 | 443 | checking. */ |
c906108c | 444 | |
a451cb65 | 445 | /* This is called when a language fails a range-check. The |
ddfe3c15 | 446 | first argument should be a printf()-style format string, and the |
a451cb65 KS |
447 | rest of the arguments should be its arguments. If range_check is |
448 | range_check_on, an error is printed; if range_check_warn, a warning; | |
449 | otherwise just the message. */ | |
c906108c SS |
450 | |
451 | void | |
ddfe3c15 | 452 | range_error (const char *string,...) |
c906108c | 453 | { |
c5aa993b | 454 | va_list args; |
c906108c | 455 | |
e0881a8e | 456 | va_start (args, string); |
ddfe3c15 AC |
457 | switch (range_check) |
458 | { | |
459 | case range_check_warn: | |
460 | vwarning (string, args); | |
461 | break; | |
462 | case range_check_on: | |
463 | verror (string, args); | |
464 | break; | |
465 | case range_check_off: | |
466 | /* FIXME: cagney/2002-01-30: Should this function print anything | |
467 | when range error is off? */ | |
468 | vfprintf_filtered (gdb_stderr, string, args); | |
469 | fprintf_filtered (gdb_stderr, "\n"); | |
470 | break; | |
471 | default: | |
e2e0b3e5 | 472 | internal_error (__FILE__, __LINE__, _("bad switch")); |
ddfe3c15 | 473 | } |
c5aa993b | 474 | va_end (args); |
c906108c | 475 | } |
c906108c | 476 | \f |
c5aa993b | 477 | |
1777feb0 | 478 | /* This page contains miscellaneous functions. */ |
c906108c | 479 | |
1777feb0 | 480 | /* Return the language enum for a given language string. */ |
c906108c SS |
481 | |
482 | enum language | |
fba45db2 | 483 | language_enum (char *str) |
c906108c | 484 | { |
47e77640 PA |
485 | for (const auto &lang : languages) |
486 | if (strcmp (lang->la_name, str) == 0) | |
487 | return lang->la_language; | |
c906108c | 488 | |
47e77640 PA |
489 | if (strcmp (str, "local") == 0) |
490 | return language_auto; | |
c906108c SS |
491 | |
492 | return language_unknown; | |
493 | } | |
494 | ||
1777feb0 | 495 | /* Return the language struct for a given language enum. */ |
c906108c SS |
496 | |
497 | const struct language_defn * | |
fba45db2 | 498 | language_def (enum language lang) |
c906108c | 499 | { |
47e77640 | 500 | return languages[lang]; |
c906108c SS |
501 | } |
502 | ||
1777feb0 | 503 | /* Return the language as a string. */ |
47e77640 | 504 | |
27cd387b | 505 | const char * |
fba45db2 | 506 | language_str (enum language lang) |
c906108c | 507 | { |
47e77640 | 508 | return languages[lang]->la_name; |
c906108c SS |
509 | } |
510 | ||
511 | static void | |
fba45db2 | 512 | set_check (char *ignore, int from_tty) |
c906108c | 513 | { |
c5aa993b JM |
514 | printf_unfiltered ( |
515 | "\"set check\" must be followed by the name of a check subcommand.\n"); | |
635c7e8a | 516 | help_list (setchecklist, "set check ", all_commands, gdb_stdout); |
c906108c SS |
517 | } |
518 | ||
519 | static void | |
fba45db2 | 520 | show_check (char *ignore, int from_tty) |
c906108c | 521 | { |
c5aa993b | 522 | cmd_show_list (showchecklist, from_tty, ""); |
c906108c SS |
523 | } |
524 | \f | |
c906108c | 525 | |
47e77640 | 526 | /* Build and install the "set language LANG" command. */ |
b84aa90a | 527 | |
47e77640 PA |
528 | static void |
529 | add_set_language_command () | |
530 | { | |
531 | static const char **language_names; | |
c906108c | 532 | |
47e77640 PA |
533 | /* Build the language names array, to be used as enumeration in the |
534 | "set language" enum command. +1 for "local" and +1 for NULL | |
535 | termination. */ | |
536 | language_names = new const char *[ARRAY_SIZE (languages) + 2]; | |
537 | ||
538 | /* Display "auto", "local" and "unknown" first, and then the rest, | |
539 | alpha sorted. */ | |
540 | const char **language_names_p = language_names; | |
541 | *language_names_p++ = auto_language_defn.la_name; | |
542 | *language_names_p++ = "local"; | |
543 | *language_names_p++ = unknown_language_defn.la_name; | |
544 | const char **sort_begin = language_names_p; | |
545 | for (const auto &lang : languages) | |
c906108c | 546 | { |
47e77640 PA |
547 | /* Already handled above. */ |
548 | if (lang->la_language == language_auto | |
549 | || lang->la_language == language_unknown) | |
550 | continue; | |
551 | *language_names_p++ = lang->la_name; | |
c906108c | 552 | } |
47e77640 PA |
553 | *language_names_p = NULL; |
554 | std::sort (sort_begin, language_names_p, compare_cstrings); | |
b84aa90a | 555 | |
56618e20 | 556 | /* Add the filename extensions. */ |
47e77640 PA |
557 | for (const auto &lang : languages) |
558 | if (lang->la_filename_extensions != NULL) | |
559 | { | |
560 | for (size_t i = 0; lang->la_filename_extensions[i] != NULL; ++i) | |
561 | add_filename_language (lang->la_filename_extensions[i], | |
562 | lang->la_language); | |
563 | } | |
56618e20 | 564 | |
b84aa90a | 565 | /* Build the "help set language" docs. */ |
d7e74731 | 566 | string_file doc; |
b84aa90a | 567 | |
d7e74731 PA |
568 | doc.printf (_("Set the current source language.\n" |
569 | "The currently understood settings are:\n\nlocal or " | |
570 | "auto Automatic setting based on source file\n")); | |
b84aa90a | 571 | |
47e77640 | 572 | for (const auto &lang : languages) |
b84aa90a PA |
573 | { |
574 | /* Already dealt with these above. */ | |
47e77640 PA |
575 | if (lang->la_language == language_unknown |
576 | || lang->la_language == language_auto) | |
b84aa90a PA |
577 | continue; |
578 | ||
d7e74731 PA |
579 | /* FIXME: i18n: for now assume that the human-readable name is |
580 | just a capitalization of the internal name. */ | |
581 | doc.printf ("%-16s Use the %c%s language\n", | |
47e77640 | 582 | lang->la_name, |
d7e74731 | 583 | /* Capitalize first letter of language name. */ |
47e77640 PA |
584 | toupper (lang->la_name[0]), |
585 | lang->la_name + 1); | |
b84aa90a PA |
586 | } |
587 | ||
b84aa90a | 588 | add_setshow_enum_cmd ("language", class_support, |
47e77640 | 589 | language_names, |
b84aa90a | 590 | &language, |
d7e74731 | 591 | doc.c_str (), |
3e43a32a MS |
592 | _("Show the current source language."), |
593 | NULL, set_language_command, | |
b84aa90a PA |
594 | show_language_command, |
595 | &setlist, &showlist); | |
c906108c SS |
596 | } |
597 | ||
f636b87d AF |
598 | /* Iterate through all registered languages looking for and calling |
599 | any non-NULL struct language_defn.skip_trampoline() functions. | |
600 | Return the result from the first that returns non-zero, or 0 if all | |
601 | `fail'. */ | |
602 | CORE_ADDR | |
52f729a7 | 603 | skip_language_trampoline (struct frame_info *frame, CORE_ADDR pc) |
f636b87d | 604 | { |
47e77640 | 605 | for (const auto &lang : languages) |
f636b87d | 606 | { |
47e77640 | 607 | if (lang->skip_trampoline != NULL) |
f636b87d | 608 | { |
47e77640 | 609 | CORE_ADDR real_pc = lang->skip_trampoline (frame, pc); |
e0881a8e | 610 | |
f636b87d AF |
611 | if (real_pc) |
612 | return real_pc; | |
613 | } | |
614 | } | |
615 | ||
616 | return 0; | |
617 | } | |
618 | ||
1777feb0 | 619 | /* Return demangled language symbol, or NULL. |
9a3d7dfd AF |
620 | FIXME: Options are only useful for certain languages and ignored |
621 | by others, so it would be better to remove them here and have a | |
1777feb0 | 622 | more flexible demangler for the languages that need it. |
9a3d7dfd AF |
623 | FIXME: Sometimes the demangler is invoked when we don't know the |
624 | language, so we can't use this everywhere. */ | |
625 | char * | |
626 | language_demangle (const struct language_defn *current_language, | |
627 | const char *mangled, int options) | |
628 | { | |
629 | if (current_language != NULL && current_language->la_demangle) | |
630 | return current_language->la_demangle (mangled, options); | |
631 | return NULL; | |
632 | } | |
633 | ||
8b302db8 TT |
634 | /* See langauge.h. */ |
635 | ||
636 | int | |
637 | language_sniff_from_mangled_name (const struct language_defn *lang, | |
638 | const char *mangled, char **demangled) | |
639 | { | |
640 | gdb_assert (lang != NULL); | |
641 | ||
642 | if (lang->la_sniff_from_mangled_name == NULL) | |
643 | { | |
644 | *demangled = NULL; | |
645 | return 0; | |
646 | } | |
647 | ||
648 | return lang->la_sniff_from_mangled_name (mangled, demangled); | |
649 | } | |
650 | ||
31c27f77 JJ |
651 | /* Return class name from physname or NULL. */ |
652 | char * | |
79b97fa8 | 653 | language_class_name_from_physname (const struct language_defn *lang, |
31c27f77 JJ |
654 | const char *physname) |
655 | { | |
79b97fa8 TT |
656 | if (lang != NULL && lang->la_class_name_from_physname) |
657 | return lang->la_class_name_from_physname (physname); | |
31c27f77 JJ |
658 | return NULL; |
659 | } | |
660 | ||
41f1b697 DJ |
661 | /* Return non-zero if TYPE should be passed (and returned) by |
662 | reference at the language level. */ | |
663 | int | |
664 | language_pass_by_reference (struct type *type) | |
665 | { | |
666 | return current_language->la_pass_by_reference (type); | |
667 | } | |
668 | ||
669 | /* Return zero; by default, types are passed by value at the language | |
670 | level. The target ABI may pass or return some structs by reference | |
671 | independent of this. */ | |
672 | int | |
673 | default_pass_by_reference (struct type *type) | |
674 | { | |
675 | return 0; | |
676 | } | |
677 | ||
9f0a5303 JB |
678 | /* Return the default string containing the list of characters |
679 | delimiting words. This is a reasonable default value that | |
680 | most languages should be able to use. */ | |
681 | ||
67cb5b2d | 682 | const char * |
9f0a5303 JB |
683 | default_word_break_characters (void) |
684 | { | |
685 | return " \t\n!@#$%^&*()+=|~`}{[]\"';:?/>.<,-"; | |
686 | } | |
f636b87d | 687 | |
e79af960 JB |
688 | /* Print the index of array elements using the C99 syntax. */ |
689 | ||
690 | void | |
691 | default_print_array_index (struct value *index_value, struct ui_file *stream, | |
79a45b7d | 692 | const struct value_print_options *options) |
e79af960 JB |
693 | { |
694 | fprintf_filtered (stream, "["); | |
79a45b7d | 695 | LA_VALUE_PRINT (index_value, stream, options); |
e79af960 JB |
696 | fprintf_filtered (stream, "] = "); |
697 | } | |
698 | ||
ae6a3a4c TJB |
699 | void |
700 | default_get_string (struct value *value, gdb_byte **buffer, int *length, | |
96c07c5b | 701 | struct type **char_type, const char **charset) |
ae6a3a4c TJB |
702 | { |
703 | error (_("Getting a string is unsupported in this language.")); | |
704 | } | |
705 | ||
c906108c SS |
706 | /* Define the language that is no language. */ |
707 | ||
708 | static int | |
410a0ff2 | 709 | unk_lang_parser (struct parser_state *ps) |
c906108c SS |
710 | { |
711 | return 1; | |
712 | } | |
713 | ||
714 | static void | |
a121b7c1 | 715 | unk_lang_error (const char *msg) |
c906108c | 716 | { |
8a3fe4f8 | 717 | error (_("Attempted to parse an expression with unknown language")); |
c906108c SS |
718 | } |
719 | ||
720 | static void | |
6c7a06a3 TT |
721 | unk_lang_emit_char (int c, struct type *type, struct ui_file *stream, |
722 | int quoter) | |
c906108c | 723 | { |
3e43a32a MS |
724 | error (_("internal error - unimplemented " |
725 | "function unk_lang_emit_char called.")); | |
c906108c SS |
726 | } |
727 | ||
728 | static void | |
6c7a06a3 | 729 | unk_lang_printchar (int c, struct type *type, struct ui_file *stream) |
c906108c | 730 | { |
3e43a32a MS |
731 | error (_("internal error - unimplemented " |
732 | "function unk_lang_printchar called.")); | |
c906108c SS |
733 | } |
734 | ||
735 | static void | |
6c7a06a3 TT |
736 | unk_lang_printstr (struct ui_file *stream, struct type *type, |
737 | const gdb_byte *string, unsigned int length, | |
be759fcf | 738 | const char *encoding, int force_ellipses, |
79a45b7d | 739 | const struct value_print_options *options) |
c906108c | 740 | { |
3e43a32a MS |
741 | error (_("internal error - unimplemented " |
742 | "function unk_lang_printstr called.")); | |
c906108c SS |
743 | } |
744 | ||
c906108c | 745 | static void |
25b524e8 | 746 | unk_lang_print_type (struct type *type, const char *varstring, |
79d43c61 TT |
747 | struct ui_file *stream, int show, int level, |
748 | const struct type_print_options *flags) | |
c906108c | 749 | { |
3e43a32a MS |
750 | error (_("internal error - unimplemented " |
751 | "function unk_lang_print_type called.")); | |
c906108c SS |
752 | } |
753 | ||
d3eab38a | 754 | static void |
e8b24d9f | 755 | unk_lang_val_print (struct type *type, |
a2bd3dcd | 756 | int embedded_offset, CORE_ADDR address, |
79a45b7d | 757 | struct ui_file *stream, int recurse, |
e8b24d9f | 758 | struct value *val, |
79a45b7d | 759 | const struct value_print_options *options) |
c906108c | 760 | { |
3e43a32a MS |
761 | error (_("internal error - unimplemented " |
762 | "function unk_lang_val_print called.")); | |
c906108c SS |
763 | } |
764 | ||
8e069a98 | 765 | static void |
79a45b7d TT |
766 | unk_lang_value_print (struct value *val, struct ui_file *stream, |
767 | const struct value_print_options *options) | |
c906108c | 768 | { |
3e43a32a MS |
769 | error (_("internal error - unimplemented " |
770 | "function unk_lang_value_print called.")); | |
c906108c SS |
771 | } |
772 | ||
52f729a7 | 773 | static CORE_ADDR unk_lang_trampoline (struct frame_info *frame, CORE_ADDR pc) |
f636b87d AF |
774 | { |
775 | return 0; | |
776 | } | |
777 | ||
9a3d7dfd AF |
778 | /* Unknown languages just use the cplus demangler. */ |
779 | static char *unk_lang_demangle (const char *mangled, int options) | |
780 | { | |
8de20a37 | 781 | return gdb_demangle (mangled, options); |
9a3d7dfd AF |
782 | } |
783 | ||
31c27f77 JJ |
784 | static char *unk_lang_class_name (const char *mangled) |
785 | { | |
786 | return NULL; | |
787 | } | |
9a3d7dfd | 788 | |
c5aa993b JM |
789 | static const struct op_print unk_op_print_tab[] = |
790 | { | |
791 | {NULL, OP_NULL, PREC_NULL, 0} | |
c906108c SS |
792 | }; |
793 | ||
f290d38e AC |
794 | static void |
795 | unknown_language_arch_info (struct gdbarch *gdbarch, | |
796 | struct language_arch_info *lai) | |
797 | { | |
798 | lai->string_char_type = builtin_type (gdbarch)->builtin_char; | |
fbb06eb1 | 799 | lai->bool_type_default = builtin_type (gdbarch)->builtin_int; |
5a44ea29 | 800 | lai->primitive_type_vector = GDBARCH_OBSTACK_CALLOC (gdbarch, 1, |
f290d38e AC |
801 | struct type *); |
802 | } | |
803 | ||
c5aa993b JM |
804 | const struct language_defn unknown_language_defn = |
805 | { | |
c906108c | 806 | "unknown", |
6abde28f | 807 | "Unknown", |
c906108c | 808 | language_unknown, |
c906108c | 809 | range_check_off, |
63872f9d | 810 | case_sensitive_on, |
9a044a89 TT |
811 | array_row_major, |
812 | macro_expansion_no, | |
56618e20 | 813 | NULL, |
5f9769d1 | 814 | &exp_descriptor_standard, |
c906108c SS |
815 | unk_lang_parser, |
816 | unk_lang_error, | |
e85c3284 | 817 | null_post_parser, |
c906108c SS |
818 | unk_lang_printchar, /* Print character constant */ |
819 | unk_lang_printstr, | |
820 | unk_lang_emit_char, | |
c906108c | 821 | unk_lang_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 822 | default_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c SS |
823 | unk_lang_val_print, /* Print a value using appropriate syntax */ |
824 | unk_lang_value_print, /* Print a top-level value */ | |
a5ee536b | 825 | default_read_var_value, /* la_read_var_value */ |
f636b87d | 826 | unk_lang_trampoline, /* Language specific skip_trampoline */ |
2b2d9e11 | 827 | "this", /* name_of_this */ |
5f9a71c3 | 828 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 829 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 830 | unk_lang_demangle, /* Language specific symbol demangler */ |
8b302db8 | 831 | NULL, |
3e43a32a MS |
832 | unk_lang_class_name, /* Language specific |
833 | class_name_from_physname */ | |
c906108c SS |
834 | unk_op_print_tab, /* expression operators for printing */ |
835 | 1, /* c-style arrays */ | |
836 | 0, /* String lower bound */ | |
6084f43a | 837 | default_word_break_characters, |
eb3ff9a5 | 838 | default_collect_symbol_completion_matches, |
f290d38e | 839 | unknown_language_arch_info, /* la_language_arch_info. */ |
e79af960 | 840 | default_print_array_index, |
41f1b697 | 841 | default_pass_by_reference, |
ae6a3a4c | 842 | default_get_string, |
43cc5389 | 843 | c_watch_location_expression, |
1a119f36 | 844 | NULL, /* la_get_symbol_name_cmp */ |
f8eba3c6 | 845 | iterate_over_symbols, |
a53b64ea | 846 | &default_varobj_ops, |
bb2ec1b3 TT |
847 | NULL, |
848 | NULL, | |
c906108c SS |
849 | LANG_MAGIC |
850 | }; | |
851 | ||
1777feb0 MS |
852 | /* These two structs define fake entries for the "local" and "auto" |
853 | options. */ | |
c5aa993b JM |
854 | const struct language_defn auto_language_defn = |
855 | { | |
c906108c | 856 | "auto", |
6abde28f | 857 | "Auto", |
c906108c | 858 | language_auto, |
c906108c | 859 | range_check_off, |
63872f9d | 860 | case_sensitive_on, |
9a044a89 TT |
861 | array_row_major, |
862 | macro_expansion_no, | |
56618e20 | 863 | NULL, |
5f9769d1 | 864 | &exp_descriptor_standard, |
c906108c SS |
865 | unk_lang_parser, |
866 | unk_lang_error, | |
e85c3284 | 867 | null_post_parser, |
c906108c SS |
868 | unk_lang_printchar, /* Print character constant */ |
869 | unk_lang_printstr, | |
870 | unk_lang_emit_char, | |
c906108c | 871 | unk_lang_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 872 | default_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c SS |
873 | unk_lang_val_print, /* Print a value using appropriate syntax */ |
874 | unk_lang_value_print, /* Print a top-level value */ | |
a5ee536b | 875 | default_read_var_value, /* la_read_var_value */ |
f636b87d | 876 | unk_lang_trampoline, /* Language specific skip_trampoline */ |
2b2d9e11 | 877 | "this", /* name_of_this */ |
5f9a71c3 | 878 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 879 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 880 | unk_lang_demangle, /* Language specific symbol demangler */ |
8b302db8 | 881 | NULL, |
3e43a32a MS |
882 | unk_lang_class_name, /* Language specific |
883 | class_name_from_physname */ | |
c906108c SS |
884 | unk_op_print_tab, /* expression operators for printing */ |
885 | 1, /* c-style arrays */ | |
886 | 0, /* String lower bound */ | |
6084f43a | 887 | default_word_break_characters, |
eb3ff9a5 | 888 | default_collect_symbol_completion_matches, |
f290d38e | 889 | unknown_language_arch_info, /* la_language_arch_info. */ |
e79af960 | 890 | default_print_array_index, |
41f1b697 | 891 | default_pass_by_reference, |
ae6a3a4c | 892 | default_get_string, |
43cc5389 | 893 | c_watch_location_expression, |
1a119f36 | 894 | NULL, /* la_get_symbol_name_cmp */ |
f8eba3c6 | 895 | iterate_over_symbols, |
a53b64ea | 896 | &default_varobj_ops, |
bb2ec1b3 TT |
897 | NULL, |
898 | NULL, | |
c906108c SS |
899 | LANG_MAGIC |
900 | }; | |
901 | ||
c906108c | 902 | \f |
f290d38e AC |
903 | /* Per-architecture language information. */ |
904 | ||
905 | static struct gdbarch_data *language_gdbarch_data; | |
906 | ||
907 | struct language_gdbarch | |
908 | { | |
909 | /* A vector of per-language per-architecture info. Indexed by "enum | |
910 | language". */ | |
911 | struct language_arch_info arch_info[nr_languages]; | |
912 | }; | |
913 | ||
914 | static void * | |
915 | language_gdbarch_post_init (struct gdbarch *gdbarch) | |
916 | { | |
917 | struct language_gdbarch *l; | |
f290d38e AC |
918 | |
919 | l = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct language_gdbarch); | |
47e77640 PA |
920 | for (const auto &lang : languages) |
921 | if (lang != NULL && lang->la_language_arch_info != NULL) | |
922 | { | |
923 | lang->la_language_arch_info (gdbarch, | |
924 | l->arch_info + lang->la_language); | |
925 | } | |
926 | ||
f290d38e AC |
927 | return l; |
928 | } | |
929 | ||
930 | struct type * | |
931 | language_string_char_type (const struct language_defn *la, | |
932 | struct gdbarch *gdbarch) | |
933 | { | |
9a3c8263 SM |
934 | struct language_gdbarch *ld |
935 | = (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data); | |
e0881a8e | 936 | |
aba2dd37 | 937 | return ld->arch_info[la->la_language].string_char_type; |
f290d38e AC |
938 | } |
939 | ||
fbb06eb1 UW |
940 | struct type * |
941 | language_bool_type (const struct language_defn *la, | |
942 | struct gdbarch *gdbarch) | |
943 | { | |
9a3c8263 SM |
944 | struct language_gdbarch *ld |
945 | = (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data); | |
fbb06eb1 UW |
946 | |
947 | if (ld->arch_info[la->la_language].bool_type_symbol) | |
948 | { | |
949 | struct symbol *sym; | |
e0881a8e | 950 | |
fbb06eb1 | 951 | sym = lookup_symbol (ld->arch_info[la->la_language].bool_type_symbol, |
d12307c1 | 952 | NULL, VAR_DOMAIN, NULL).symbol; |
fbb06eb1 UW |
953 | if (sym) |
954 | { | |
955 | struct type *type = SYMBOL_TYPE (sym); | |
e0881a8e | 956 | |
fbb06eb1 UW |
957 | if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) |
958 | return type; | |
959 | } | |
960 | } | |
961 | ||
962 | return ld->arch_info[la->la_language].bool_type_default; | |
963 | } | |
964 | ||
1994afbf DE |
965 | /* Helper function for primitive type lookup. */ |
966 | ||
967 | static struct type ** | |
968 | language_lookup_primitive_type_1 (const struct language_arch_info *lai, | |
969 | const char *name) | |
970 | { | |
971 | struct type **p; | |
972 | ||
973 | for (p = lai->primitive_type_vector; (*p) != NULL; p++) | |
974 | { | |
975 | if (strcmp (TYPE_NAME (*p), name) == 0) | |
976 | return p; | |
977 | } | |
978 | return NULL; | |
979 | } | |
980 | ||
981 | /* See language.h. */ | |
982 | ||
f290d38e | 983 | struct type * |
46b0da17 DE |
984 | language_lookup_primitive_type (const struct language_defn *la, |
985 | struct gdbarch *gdbarch, | |
986 | const char *name) | |
f290d38e | 987 | { |
9a3c8263 SM |
988 | struct language_gdbarch *ld = |
989 | (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data); | |
1994afbf DE |
990 | struct type **typep; |
991 | ||
992 | typep = language_lookup_primitive_type_1 (&ld->arch_info[la->la_language], | |
993 | name); | |
994 | if (typep == NULL) | |
995 | return NULL; | |
996 | return *typep; | |
997 | } | |
998 | ||
999 | /* Helper function for type lookup as a symbol. | |
1000 | Create the symbol corresponding to type TYPE in language LANG. */ | |
1001 | ||
1002 | static struct symbol * | |
1003 | language_alloc_type_symbol (enum language lang, struct type *type) | |
1004 | { | |
1005 | struct symbol *symbol; | |
1006 | struct gdbarch *gdbarch; | |
1007 | ||
1008 | gdb_assert (!TYPE_OBJFILE_OWNED (type)); | |
1009 | ||
1010 | gdbarch = TYPE_OWNER (type).gdbarch; | |
1011 | symbol = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct symbol); | |
1012 | ||
1013 | symbol->ginfo.name = TYPE_NAME (type); | |
1014 | symbol->ginfo.language = lang; | |
1015 | symbol->owner.arch = gdbarch; | |
1016 | SYMBOL_OBJFILE_OWNED (symbol) = 0; | |
1017 | SYMBOL_TYPE (symbol) = type; | |
1018 | SYMBOL_DOMAIN (symbol) = VAR_DOMAIN; | |
1019 | SYMBOL_ACLASS_INDEX (symbol) = LOC_TYPEDEF; | |
1020 | ||
1021 | return symbol; | |
1022 | } | |
1023 | ||
1024 | /* Initialize the primitive type symbols of language LD. | |
1025 | The primitive type vector must have already been initialized. */ | |
1026 | ||
1027 | static void | |
1028 | language_init_primitive_type_symbols (struct language_arch_info *lai, | |
1029 | const struct language_defn *la, | |
1030 | struct gdbarch *gdbarch) | |
1031 | { | |
1032 | int n; | |
1994afbf DE |
1033 | |
1034 | gdb_assert (lai->primitive_type_vector != NULL); | |
1035 | ||
1036 | for (n = 0; lai->primitive_type_vector[n] != NULL; ++n) | |
1037 | continue; | |
1038 | ||
1039 | lai->primitive_type_symbols | |
1040 | = GDBARCH_OBSTACK_CALLOC (gdbarch, n + 1, struct symbol *); | |
1041 | ||
1042 | for (n = 0; lai->primitive_type_vector[n] != NULL; ++n) | |
1043 | { | |
1044 | lai->primitive_type_symbols[n] | |
1045 | = language_alloc_type_symbol (la->la_language, | |
1046 | lai->primitive_type_vector[n]); | |
1047 | } | |
1048 | ||
1049 | /* Note: The result of symbol lookup is normally a symbol *and* the block | |
d12307c1 PMR |
1050 | it was found in. Builtin types don't live in blocks. We *could* give |
1051 | them one, but there is no current need so to keep things simple symbol | |
1052 | lookup is extended to allow for BLOCK_FOUND to be NULL. */ | |
1994afbf DE |
1053 | } |
1054 | ||
1055 | /* See language.h. */ | |
1056 | ||
1057 | struct symbol * | |
1058 | language_lookup_primitive_type_as_symbol (const struct language_defn *la, | |
1059 | struct gdbarch *gdbarch, | |
1060 | const char *name) | |
1061 | { | |
9a3c8263 SM |
1062 | struct language_gdbarch *ld |
1063 | = (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data); | |
1994afbf DE |
1064 | struct language_arch_info *lai = &ld->arch_info[la->la_language]; |
1065 | struct type **typep; | |
1066 | struct symbol *sym; | |
e0881a8e | 1067 | |
cc485e62 DE |
1068 | if (symbol_lookup_debug) |
1069 | { | |
1070 | fprintf_unfiltered (gdb_stdlog, | |
1994afbf DE |
1071 | "language_lookup_primitive_type_as_symbol" |
1072 | " (%s, %s, %s)", | |
cc485e62 DE |
1073 | la->la_name, host_address_to_string (gdbarch), name); |
1074 | } | |
1075 | ||
1994afbf DE |
1076 | typep = language_lookup_primitive_type_1 (lai, name); |
1077 | if (typep == NULL) | |
f290d38e | 1078 | { |
1994afbf DE |
1079 | if (symbol_lookup_debug) |
1080 | fprintf_unfiltered (gdb_stdlog, " = NULL\n"); | |
1081 | return NULL; | |
f290d38e | 1082 | } |
cc485e62 | 1083 | |
1994afbf DE |
1084 | /* The set of symbols is lazily initialized. */ |
1085 | if (lai->primitive_type_symbols == NULL) | |
1086 | language_init_primitive_type_symbols (lai, la, gdbarch); | |
1087 | ||
1088 | sym = lai->primitive_type_symbols[typep - lai->primitive_type_vector]; | |
1089 | ||
cc485e62 | 1090 | if (symbol_lookup_debug) |
1994afbf DE |
1091 | fprintf_unfiltered (gdb_stdlog, " = %s\n", host_address_to_string (sym)); |
1092 | return sym; | |
f290d38e AC |
1093 | } |
1094 | ||
1777feb0 | 1095 | /* Initialize the language routines. */ |
c906108c SS |
1096 | |
1097 | void | |
fba45db2 | 1098 | _initialize_language (void) |
c906108c | 1099 | { |
40478521 | 1100 | static const char *const type_or_range_names[] |
b84aa90a PA |
1101 | = { "on", "off", "warn", "auto", NULL }; |
1102 | ||
40478521 | 1103 | static const char *const case_sensitive_names[] |
b84aa90a | 1104 | = { "on", "off", "auto", NULL }; |
c5aa993b | 1105 | |
f290d38e AC |
1106 | language_gdbarch_data |
1107 | = gdbarch_data_register_post_init (language_gdbarch_post_init); | |
1108 | ||
1777feb0 | 1109 | /* GDB commands for language specific stuff. */ |
c5aa993b | 1110 | |
c5aa993b | 1111 | add_prefix_cmd ("check", no_class, set_check, |
1bedd215 | 1112 | _("Set the status of the type/range checker."), |
c5aa993b JM |
1113 | &setchecklist, "set check ", 0, &setlist); |
1114 | add_alias_cmd ("c", "check", no_class, 1, &setlist); | |
1115 | add_alias_cmd ("ch", "check", no_class, 1, &setlist); | |
1116 | ||
1117 | add_prefix_cmd ("check", no_class, show_check, | |
1bedd215 | 1118 | _("Show the status of the type/range checker."), |
c5aa993b JM |
1119 | &showchecklist, "show check ", 0, &showlist); |
1120 | add_alias_cmd ("c", "check", no_class, 1, &showlist); | |
1121 | add_alias_cmd ("ch", "check", no_class, 1, &showlist); | |
1122 | ||
b84aa90a | 1123 | add_setshow_enum_cmd ("range", class_support, type_or_range_names, |
3e43a32a MS |
1124 | &range, |
1125 | _("Set range checking. (on/warn/off/auto)"), | |
1126 | _("Show range checking. (on/warn/off/auto)"), | |
1127 | NULL, set_range_command, | |
b84aa90a PA |
1128 | show_range_command, |
1129 | &setchecklist, &showchecklist); | |
1130 | ||
1131 | add_setshow_enum_cmd ("case-sensitive", class_support, case_sensitive_names, | |
1132 | &case_sensitive, _("\ | |
4d28ad1e AC |
1133 | Set case sensitivity in name search. (on/off/auto)"), _("\ |
1134 | Show case sensitivity in name search. (on/off/auto)"), _("\ | |
1135 | For Fortran the default is off; for other languages the default is on."), | |
b84aa90a PA |
1136 | set_case_command, |
1137 | show_case_command, | |
1138 | &setlist, &showlist); | |
63872f9d | 1139 | |
47e77640 | 1140 | add_set_language_command (); |
c5aa993b | 1141 | |
1b36a34b JK |
1142 | language = xstrdup ("auto"); |
1143 | type = xstrdup ("auto"); | |
1144 | range = xstrdup ("auto"); | |
1145 | case_sensitive = xstrdup ("auto"); | |
63872f9d | 1146 | |
1777feb0 | 1147 | /* Have the above take effect. */ |
63872f9d | 1148 | set_language (language_auto); |
c906108c | 1149 | } |