Commit | Line | Data |
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c906108c | 1 | /* Multiple source language support for GDB. |
1bac305b | 2 | |
32d0add0 | 3 | Copyright (C) 1991-2015 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" | |
8caabe69 | 42 | #include "jv-lang.h" |
9a3d7dfd | 43 | #include "demangle.h" |
8b60591b | 44 | #include "symfile.h" |
8de20a37 | 45 | #include "cp-support.h" |
c906108c | 46 | |
a14ed312 | 47 | extern void _initialize_language (void); |
392a587b | 48 | |
a14ed312 | 49 | static void unk_lang_error (char *); |
c906108c | 50 | |
410a0ff2 | 51 | static int unk_lang_parser (struct parser_state *); |
c906108c | 52 | |
a14ed312 | 53 | static void show_check (char *, int); |
c906108c | 54 | |
a14ed312 | 55 | static void set_check (char *, int); |
c906108c | 56 | |
a451cb65 | 57 | static void set_range_case (void); |
c906108c | 58 | |
6c7a06a3 TT |
59 | static void unk_lang_emit_char (int c, struct type *type, |
60 | struct ui_file *stream, int quoter); | |
c906108c | 61 | |
6c7a06a3 TT |
62 | static void unk_lang_printchar (int c, struct type *type, |
63 | struct ui_file *stream); | |
c906108c | 64 | |
8e069a98 TT |
65 | static void unk_lang_value_print (struct value *, struct ui_file *, |
66 | const struct value_print_options *); | |
c906108c | 67 | |
52f729a7 | 68 | static CORE_ADDR unk_lang_trampoline (struct frame_info *, CORE_ADDR pc); |
f636b87d | 69 | |
c906108c SS |
70 | /* Forward declaration */ |
71 | extern const struct language_defn unknown_language_defn; | |
c5aa993b | 72 | |
c906108c | 73 | /* The current (default at startup) state of type and range checking. |
c5aa993b JM |
74 | (If the modes are set to "auto", though, these are changed based |
75 | on the default language at startup, and then again based on the | |
76 | language of the first source file. */ | |
c906108c SS |
77 | |
78 | enum range_mode range_mode = range_mode_auto; | |
79 | enum range_check range_check = range_check_off; | |
63872f9d JG |
80 | enum case_mode case_mode = case_mode_auto; |
81 | enum case_sensitivity case_sensitivity = case_sensitive_on; | |
c906108c | 82 | |
1777feb0 | 83 | /* The current language and language_mode (see language.h). */ |
c906108c SS |
84 | |
85 | const struct language_defn *current_language = &unknown_language_defn; | |
86 | enum language_mode language_mode = language_mode_auto; | |
87 | ||
88 | /* The language that the user expects to be typing in (the language | |
89 | of main(), or the last language we notified them about, or C). */ | |
90 | ||
91 | const struct language_defn *expected_language; | |
92 | ||
93 | /* The list of supported languages. The list itself is malloc'd. */ | |
94 | ||
95 | static const struct language_defn **languages; | |
96 | static unsigned languages_size; | |
97 | static unsigned languages_allocsize; | |
98 | #define DEFAULT_ALLOCSIZE 4 | |
99 | ||
b84aa90a PA |
100 | /* The current values of the "set language/type/range" enum |
101 | commands. */ | |
102 | static const char *language; | |
103 | static const char *type; | |
104 | static const char *range; | |
105 | static const char *case_sensitive; | |
c906108c SS |
106 | |
107 | /* Warning issued when current_language and the language of the current | |
1777feb0 | 108 | frame do not match. */ |
c906108c | 109 | char lang_frame_mismatch_warn[] = |
c5aa993b | 110 | "Warning: the current language does not match this frame."; |
c906108c SS |
111 | \f |
112 | /* This page contains the functions corresponding to GDB commands | |
1777feb0 | 113 | and their helpers. */ |
c906108c SS |
114 | |
115 | /* Show command. Display a warning if the language set | |
1777feb0 | 116 | does not match the frame. */ |
c906108c | 117 | static void |
4d28ad1e AC |
118 | show_language_command (struct ui_file *file, int from_tty, |
119 | struct cmd_list_element *c, const char *value) | |
c906108c | 120 | { |
1777feb0 | 121 | enum language flang; /* The language of the current frame. */ |
c906108c | 122 | |
b84aa90a PA |
123 | if (language_mode == language_mode_auto) |
124 | fprintf_filtered (gdb_stdout, | |
125 | _("The current source language is " | |
126 | "\"auto; currently %s\".\n"), | |
127 | current_language->la_name); | |
128 | else | |
3e43a32a MS |
129 | fprintf_filtered (gdb_stdout, |
130 | _("The current source language is \"%s\".\n"), | |
b84aa90a PA |
131 | current_language->la_name); |
132 | ||
c5aa993b JM |
133 | flang = get_frame_language (); |
134 | if (flang != language_unknown && | |
135 | language_mode == language_mode_manual && | |
136 | current_language->la_language != flang) | |
137 | printf_filtered ("%s\n", lang_frame_mismatch_warn); | |
c906108c SS |
138 | } |
139 | ||
1777feb0 | 140 | /* Set command. Change the current working language. */ |
c906108c | 141 | static void |
4d28ad1e | 142 | set_language_command (char *ignore, int from_tty, struct cmd_list_element *c) |
c906108c | 143 | { |
5efd5804 | 144 | int i; |
c906108c | 145 | enum language flang; |
c906108c SS |
146 | |
147 | /* Search the list of languages for a match. */ | |
c5aa993b JM |
148 | for (i = 0; i < languages_size; i++) |
149 | { | |
6314a349 | 150 | if (strcmp (languages[i]->la_name, language) == 0) |
c5aa993b JM |
151 | { |
152 | /* Found it! Go into manual mode, and use this language. */ | |
153 | if (languages[i]->la_language == language_auto) | |
154 | { | |
8b60591b JB |
155 | /* Enter auto mode. Set to the current frame's language, if |
156 | known, or fallback to the initial language. */ | |
c5aa993b JM |
157 | language_mode = language_mode_auto; |
158 | flang = get_frame_language (); | |
159 | if (flang != language_unknown) | |
160 | set_language (flang); | |
8b60591b JB |
161 | else |
162 | set_initial_language (); | |
c5aa993b JM |
163 | expected_language = current_language; |
164 | return; | |
165 | } | |
166 | else | |
167 | { | |
168 | /* Enter manual mode. Set the specified language. */ | |
169 | language_mode = language_mode_manual; | |
170 | current_language = languages[i]; | |
a451cb65 | 171 | set_range_case (); |
c5aa993b JM |
172 | expected_language = current_language; |
173 | return; | |
174 | } | |
175 | } | |
c906108c | 176 | } |
c906108c | 177 | |
b84aa90a PA |
178 | internal_error (__FILE__, __LINE__, |
179 | "Couldn't find language `%s' in known languages list.", | |
180 | language); | |
c906108c SS |
181 | } |
182 | ||
c906108c | 183 | /* Show command. Display a warning if the range setting does |
1777feb0 | 184 | not match the current language. */ |
c906108c | 185 | static void |
4d28ad1e AC |
186 | show_range_command (struct ui_file *file, int from_tty, |
187 | struct cmd_list_element *c, const char *value) | |
c906108c | 188 | { |
b84aa90a PA |
189 | if (range_mode == range_mode_auto) |
190 | { | |
191 | char *tmp; | |
192 | ||
193 | switch (range_check) | |
194 | { | |
195 | case range_check_on: | |
196 | tmp = "on"; | |
197 | break; | |
198 | case range_check_off: | |
199 | tmp = "off"; | |
200 | break; | |
201 | case range_check_warn: | |
202 | tmp = "warn"; | |
203 | break; | |
204 | default: | |
205 | internal_error (__FILE__, __LINE__, | |
206 | "Unrecognized range check setting."); | |
207 | } | |
208 | ||
209 | fprintf_filtered (gdb_stdout, | |
210 | _("Range checking is \"auto; currently %s\".\n"), | |
211 | tmp); | |
212 | } | |
213 | else | |
214 | fprintf_filtered (gdb_stdout, _("Range checking is \"%s\".\n"), | |
215 | value); | |
216 | ||
c5aa993b | 217 | if (range_check != current_language->la_range_check) |
b84aa90a PA |
218 | warning (_("the current range check setting " |
219 | "does not match the language.\n")); | |
c906108c SS |
220 | } |
221 | ||
1777feb0 | 222 | /* Set command. Change the setting for range checking. */ |
c906108c | 223 | static void |
4d28ad1e | 224 | set_range_command (char *ignore, int from_tty, struct cmd_list_element *c) |
c906108c | 225 | { |
6314a349 | 226 | if (strcmp (range, "on") == 0) |
c5aa993b | 227 | { |
c906108c SS |
228 | range_check = range_check_on; |
229 | range_mode = range_mode_manual; | |
c5aa993b | 230 | } |
6314a349 | 231 | else if (strcmp (range, "warn") == 0) |
c5aa993b | 232 | { |
c906108c SS |
233 | range_check = range_check_warn; |
234 | range_mode = range_mode_manual; | |
c5aa993b | 235 | } |
6314a349 | 236 | else if (strcmp (range, "off") == 0) |
c5aa993b | 237 | { |
c906108c SS |
238 | range_check = range_check_off; |
239 | range_mode = range_mode_manual; | |
c5aa993b | 240 | } |
6314a349 | 241 | else if (strcmp (range, "auto") == 0) |
c5aa993b | 242 | { |
c906108c | 243 | range_mode = range_mode_auto; |
a451cb65 | 244 | set_range_case (); |
c906108c | 245 | return; |
c5aa993b | 246 | } |
c4093a6a JM |
247 | else |
248 | { | |
b84aa90a PA |
249 | internal_error (__FILE__, __LINE__, |
250 | _("Unrecognized range check setting: \"%s\""), range); | |
c4093a6a | 251 | } |
b84aa90a PA |
252 | if (range_check != current_language->la_range_check) |
253 | warning (_("the current range check setting " | |
254 | "does not match the language.\n")); | |
c906108c SS |
255 | } |
256 | ||
63872f9d | 257 | /* Show command. Display a warning if the case sensitivity setting does |
1777feb0 | 258 | not match the current language. */ |
63872f9d | 259 | static void |
4d28ad1e AC |
260 | show_case_command (struct ui_file *file, int from_tty, |
261 | struct cmd_list_element *c, const char *value) | |
63872f9d | 262 | { |
b84aa90a PA |
263 | if (case_mode == case_mode_auto) |
264 | { | |
265 | char *tmp = NULL; | |
266 | ||
267 | switch (case_sensitivity) | |
268 | { | |
269 | case case_sensitive_on: | |
270 | tmp = "on"; | |
271 | break; | |
272 | case case_sensitive_off: | |
273 | tmp = "off"; | |
274 | break; | |
275 | default: | |
276 | internal_error (__FILE__, __LINE__, | |
277 | "Unrecognized case-sensitive setting."); | |
278 | } | |
279 | ||
280 | fprintf_filtered (gdb_stdout, | |
281 | _("Case sensitivity in " | |
282 | "name search is \"auto; currently %s\".\n"), | |
283 | tmp); | |
284 | } | |
285 | else | |
3e43a32a MS |
286 | fprintf_filtered (gdb_stdout, |
287 | _("Case sensitivity in name search is \"%s\".\n"), | |
b84aa90a PA |
288 | value); |
289 | ||
4d28ad1e | 290 | if (case_sensitivity != current_language->la_case_sensitivity) |
b84aa90a PA |
291 | warning (_("the current case sensitivity setting does not match " |
292 | "the language.\n")); | |
63872f9d JG |
293 | } |
294 | ||
591e78ff MK |
295 | /* Set command. Change the setting for case sensitivity. */ |
296 | ||
63872f9d | 297 | static void |
4d28ad1e | 298 | set_case_command (char *ignore, int from_tty, struct cmd_list_element *c) |
63872f9d | 299 | { |
591e78ff MK |
300 | if (strcmp (case_sensitive, "on") == 0) |
301 | { | |
302 | case_sensitivity = case_sensitive_on; | |
303 | case_mode = case_mode_manual; | |
304 | } | |
305 | else if (strcmp (case_sensitive, "off") == 0) | |
306 | { | |
307 | case_sensitivity = case_sensitive_off; | |
308 | case_mode = case_mode_manual; | |
309 | } | |
310 | else if (strcmp (case_sensitive, "auto") == 0) | |
311 | { | |
312 | case_mode = case_mode_auto; | |
a451cb65 | 313 | set_range_case (); |
591e78ff MK |
314 | return; |
315 | } | |
63872f9d | 316 | else |
591e78ff | 317 | { |
b84aa90a PA |
318 | internal_error (__FILE__, __LINE__, |
319 | "Unrecognized case-sensitive setting: \"%s\"", | |
320 | case_sensitive); | |
591e78ff | 321 | } |
b84aa90a PA |
322 | |
323 | if (case_sensitivity != current_language->la_case_sensitivity) | |
324 | warning (_("the current case sensitivity setting does not match " | |
325 | "the language.\n")); | |
63872f9d JG |
326 | } |
327 | ||
328 | /* Set the status of range and type checking and case sensitivity based on | |
c906108c SS |
329 | the current modes and the current language. |
330 | If SHOW is non-zero, then print out the current language, | |
1777feb0 | 331 | type and range checking status. */ |
c906108c | 332 | static void |
a451cb65 | 333 | set_range_case (void) |
c906108c | 334 | { |
c906108c SS |
335 | if (range_mode == range_mode_auto) |
336 | range_check = current_language->la_range_check; | |
337 | ||
63872f9d JG |
338 | if (case_mode == case_mode_auto) |
339 | case_sensitivity = current_language->la_case_sensitivity; | |
c906108c SS |
340 | } |
341 | ||
1777feb0 MS |
342 | /* Set current language to (enum language) LANG. Returns previous |
343 | language. */ | |
c906108c SS |
344 | |
345 | enum language | |
fba45db2 | 346 | set_language (enum language lang) |
c906108c SS |
347 | { |
348 | int i; | |
349 | enum language prev_language; | |
350 | ||
351 | prev_language = current_language->la_language; | |
352 | ||
c5aa993b JM |
353 | for (i = 0; i < languages_size; i++) |
354 | { | |
355 | if (languages[i]->la_language == lang) | |
356 | { | |
357 | current_language = languages[i]; | |
a451cb65 | 358 | set_range_case (); |
c5aa993b JM |
359 | break; |
360 | } | |
c906108c | 361 | } |
c906108c SS |
362 | |
363 | return prev_language; | |
364 | } | |
365 | \f | |
c906108c SS |
366 | |
367 | /* Print out the current language settings: language, range and | |
368 | type checking. If QUIETLY, print only what has changed. */ | |
369 | ||
370 | void | |
fba45db2 | 371 | language_info (int quietly) |
c906108c SS |
372 | { |
373 | if (quietly && expected_language == current_language) | |
374 | return; | |
375 | ||
376 | expected_language = current_language; | |
a3f17187 | 377 | printf_unfiltered (_("Current language: %s\n"), language); |
4d28ad1e | 378 | show_language_command (NULL, 1, NULL, NULL); |
c906108c SS |
379 | |
380 | if (!quietly) | |
381 | { | |
a3f17187 | 382 | printf_unfiltered (_("Range checking: %s\n"), range); |
4d28ad1e | 383 | show_range_command (NULL, 1, NULL, NULL); |
a3f17187 | 384 | printf_unfiltered (_("Case sensitivity: %s\n"), case_sensitive); |
4d28ad1e | 385 | show_case_command (NULL, 1, NULL, NULL); |
c906108c SS |
386 | } |
387 | } | |
388 | \f | |
c906108c | 389 | |
1777feb0 | 390 | /* Returns non-zero if the value is a pointer type. */ |
c906108c | 391 | int |
fba45db2 | 392 | pointer_type (struct type *type) |
c906108c | 393 | { |
c5aa993b JM |
394 | return TYPE_CODE (type) == TYPE_CODE_PTR || |
395 | TYPE_CODE (type) == TYPE_CODE_REF; | |
c906108c SS |
396 | } |
397 | ||
c906108c | 398 | \f |
c906108c | 399 | /* This page contains functions that return info about |
1777feb0 | 400 | (struct value) values used in GDB. */ |
c906108c | 401 | |
1777feb0 | 402 | /* Returns non-zero if the value VAL represents a true value. */ |
c906108c | 403 | int |
3d6d86c6 | 404 | value_true (struct value *val) |
c906108c SS |
405 | { |
406 | /* It is possible that we should have some sort of error if a non-boolean | |
407 | value is used in this context. Possibly dependent on some kind of | |
408 | "boolean-checking" option like range checking. But it should probably | |
409 | not depend on the language except insofar as is necessary to identify | |
410 | a "boolean" value (i.e. in C using a float, pointer, etc., as a boolean | |
411 | should be an error, probably). */ | |
412 | return !value_logical_not (val); | |
413 | } | |
414 | \f | |
c906108c SS |
415 | /* This page contains functions for the printing out of |
416 | error messages that occur during type- and range- | |
1777feb0 | 417 | checking. */ |
c906108c | 418 | |
a451cb65 | 419 | /* This is called when a language fails a range-check. The |
ddfe3c15 | 420 | first argument should be a printf()-style format string, and the |
a451cb65 KS |
421 | rest of the arguments should be its arguments. If range_check is |
422 | range_check_on, an error is printed; if range_check_warn, a warning; | |
423 | otherwise just the message. */ | |
c906108c SS |
424 | |
425 | void | |
ddfe3c15 | 426 | range_error (const char *string,...) |
c906108c | 427 | { |
c5aa993b | 428 | va_list args; |
c906108c | 429 | |
e0881a8e | 430 | va_start (args, string); |
ddfe3c15 AC |
431 | switch (range_check) |
432 | { | |
433 | case range_check_warn: | |
434 | vwarning (string, args); | |
435 | break; | |
436 | case range_check_on: | |
437 | verror (string, args); | |
438 | break; | |
439 | case range_check_off: | |
440 | /* FIXME: cagney/2002-01-30: Should this function print anything | |
441 | when range error is off? */ | |
442 | vfprintf_filtered (gdb_stderr, string, args); | |
443 | fprintf_filtered (gdb_stderr, "\n"); | |
444 | break; | |
445 | default: | |
e2e0b3e5 | 446 | internal_error (__FILE__, __LINE__, _("bad switch")); |
ddfe3c15 | 447 | } |
c5aa993b | 448 | va_end (args); |
c906108c | 449 | } |
c906108c | 450 | \f |
c5aa993b | 451 | |
1777feb0 | 452 | /* This page contains miscellaneous functions. */ |
c906108c | 453 | |
1777feb0 | 454 | /* Return the language enum for a given language string. */ |
c906108c SS |
455 | |
456 | enum language | |
fba45db2 | 457 | language_enum (char *str) |
c906108c SS |
458 | { |
459 | int i; | |
460 | ||
c5aa993b | 461 | for (i = 0; i < languages_size; i++) |
591e78ff | 462 | if (strcmp (languages[i]->la_name, str) == 0) |
c906108c SS |
463 | return languages[i]->la_language; |
464 | ||
465 | return language_unknown; | |
466 | } | |
467 | ||
1777feb0 | 468 | /* Return the language struct for a given language enum. */ |
c906108c SS |
469 | |
470 | const struct language_defn * | |
fba45db2 | 471 | language_def (enum language lang) |
c906108c SS |
472 | { |
473 | int i; | |
474 | ||
c5aa993b JM |
475 | for (i = 0; i < languages_size; i++) |
476 | { | |
477 | if (languages[i]->la_language == lang) | |
478 | { | |
479 | return languages[i]; | |
480 | } | |
c906108c | 481 | } |
c906108c SS |
482 | return NULL; |
483 | } | |
484 | ||
1777feb0 | 485 | /* Return the language as a string. */ |
27cd387b | 486 | const char * |
fba45db2 | 487 | language_str (enum language lang) |
c906108c SS |
488 | { |
489 | int i; | |
490 | ||
c5aa993b JM |
491 | for (i = 0; i < languages_size; i++) |
492 | { | |
493 | if (languages[i]->la_language == lang) | |
494 | { | |
495 | return languages[i]->la_name; | |
496 | } | |
c906108c | 497 | } |
c906108c SS |
498 | return "Unknown"; |
499 | } | |
500 | ||
501 | static void | |
fba45db2 | 502 | set_check (char *ignore, int from_tty) |
c906108c | 503 | { |
c5aa993b JM |
504 | printf_unfiltered ( |
505 | "\"set check\" must be followed by the name of a check subcommand.\n"); | |
635c7e8a | 506 | help_list (setchecklist, "set check ", all_commands, gdb_stdout); |
c906108c SS |
507 | } |
508 | ||
509 | static void | |
fba45db2 | 510 | show_check (char *ignore, int from_tty) |
c906108c | 511 | { |
c5aa993b | 512 | cmd_show_list (showchecklist, from_tty, ""); |
c906108c SS |
513 | } |
514 | \f | |
515 | /* Add a language to the set of known languages. */ | |
516 | ||
517 | void | |
fba45db2 | 518 | add_language (const struct language_defn *lang) |
c906108c | 519 | { |
b84aa90a | 520 | /* For the "set language" command. */ |
27cd387b | 521 | static const char **language_names = NULL; |
b84aa90a | 522 | /* For the "help set language" command. */ |
1eefb858 | 523 | char *language_set_doc = NULL; |
b84aa90a PA |
524 | |
525 | int i; | |
526 | struct ui_file *tmp_stream; | |
b84aa90a | 527 | |
c906108c SS |
528 | if (lang->la_magic != LANG_MAGIC) |
529 | { | |
3e43a32a MS |
530 | fprintf_unfiltered (gdb_stderr, |
531 | "Magic number of %s language struct wrong\n", | |
c5aa993b | 532 | lang->la_name); |
3e43a32a MS |
533 | internal_error (__FILE__, __LINE__, |
534 | _("failed internal consistency check")); | |
c906108c SS |
535 | } |
536 | ||
537 | if (!languages) | |
538 | { | |
539 | languages_allocsize = DEFAULT_ALLOCSIZE; | |
540 | languages = (const struct language_defn **) xmalloc | |
541 | (languages_allocsize * sizeof (*languages)); | |
542 | } | |
543 | if (languages_size >= languages_allocsize) | |
544 | { | |
545 | languages_allocsize *= 2; | |
546 | languages = (const struct language_defn **) xrealloc ((char *) languages, | |
c5aa993b | 547 | languages_allocsize * sizeof (*languages)); |
c906108c SS |
548 | } |
549 | languages[languages_size++] = lang; | |
b84aa90a PA |
550 | |
551 | /* Build the language names array, to be used as enumeration in the | |
552 | set language" enum command. */ | |
553 | language_names = xrealloc (language_names, | |
554 | (languages_size + 1) * sizeof (const char *)); | |
555 | for (i = 0; i < languages_size; ++i) | |
556 | language_names[i] = languages[i]->la_name; | |
557 | language_names[i] = NULL; | |
558 | ||
559 | /* Build the "help set language" docs. */ | |
560 | tmp_stream = mem_fileopen (); | |
561 | ||
3e43a32a MS |
562 | fprintf_unfiltered (tmp_stream, |
563 | _("Set the current source language.\n" | |
564 | "The currently understood settings are:\n\nlocal or " | |
565 | "auto Automatic setting based on source file\n")); | |
b84aa90a PA |
566 | |
567 | for (i = 0; i < languages_size; ++i) | |
568 | { | |
569 | /* Already dealt with these above. */ | |
570 | if (languages[i]->la_language == language_unknown | |
571 | || languages[i]->la_language == language_auto) | |
572 | continue; | |
573 | ||
574 | /* FIXME: i18n: for now assume that the human-readable name | |
575 | is just a capitalization of the internal name. */ | |
576 | fprintf_unfiltered (tmp_stream, "%-16s Use the %c%s language\n", | |
577 | languages[i]->la_name, | |
578 | /* Capitalize first letter of language | |
579 | name. */ | |
580 | toupper (languages[i]->la_name[0]), | |
581 | languages[i]->la_name + 1); | |
582 | } | |
583 | ||
759ef836 | 584 | language_set_doc = ui_file_xstrdup (tmp_stream, NULL); |
b84aa90a PA |
585 | ui_file_delete (tmp_stream); |
586 | ||
587 | add_setshow_enum_cmd ("language", class_support, | |
588 | (const char **) language_names, | |
589 | &language, | |
3e43a32a MS |
590 | language_set_doc, |
591 | _("Show the current source language."), | |
592 | NULL, set_language_command, | |
b84aa90a PA |
593 | show_language_command, |
594 | &setlist, &showlist); | |
1eefb858 TT |
595 | |
596 | xfree (language_set_doc); | |
c906108c SS |
597 | } |
598 | ||
f636b87d AF |
599 | /* Iterate through all registered languages looking for and calling |
600 | any non-NULL struct language_defn.skip_trampoline() functions. | |
601 | Return the result from the first that returns non-zero, or 0 if all | |
602 | `fail'. */ | |
603 | CORE_ADDR | |
52f729a7 | 604 | skip_language_trampoline (struct frame_info *frame, CORE_ADDR pc) |
f636b87d AF |
605 | { |
606 | int i; | |
607 | ||
608 | for (i = 0; i < languages_size; i++) | |
609 | { | |
610 | if (languages[i]->skip_trampoline) | |
611 | { | |
52f729a7 | 612 | CORE_ADDR real_pc = (languages[i]->skip_trampoline) (frame, pc); |
e0881a8e | 613 | |
f636b87d AF |
614 | if (real_pc) |
615 | return real_pc; | |
616 | } | |
617 | } | |
618 | ||
619 | return 0; | |
620 | } | |
621 | ||
1777feb0 | 622 | /* Return demangled language symbol, or NULL. |
9a3d7dfd AF |
623 | FIXME: Options are only useful for certain languages and ignored |
624 | by others, so it would be better to remove them here and have a | |
1777feb0 | 625 | more flexible demangler for the languages that need it. |
9a3d7dfd AF |
626 | FIXME: Sometimes the demangler is invoked when we don't know the |
627 | language, so we can't use this everywhere. */ | |
628 | char * | |
629 | language_demangle (const struct language_defn *current_language, | |
630 | const char *mangled, int options) | |
631 | { | |
632 | if (current_language != NULL && current_language->la_demangle) | |
633 | return current_language->la_demangle (mangled, options); | |
634 | return NULL; | |
635 | } | |
636 | ||
31c27f77 JJ |
637 | /* Return class name from physname or NULL. */ |
638 | char * | |
79b97fa8 | 639 | language_class_name_from_physname (const struct language_defn *lang, |
31c27f77 JJ |
640 | const char *physname) |
641 | { | |
79b97fa8 TT |
642 | if (lang != NULL && lang->la_class_name_from_physname) |
643 | return lang->la_class_name_from_physname (physname); | |
31c27f77 JJ |
644 | return NULL; |
645 | } | |
646 | ||
41f1b697 DJ |
647 | /* Return non-zero if TYPE should be passed (and returned) by |
648 | reference at the language level. */ | |
649 | int | |
650 | language_pass_by_reference (struct type *type) | |
651 | { | |
652 | return current_language->la_pass_by_reference (type); | |
653 | } | |
654 | ||
655 | /* Return zero; by default, types are passed by value at the language | |
656 | level. The target ABI may pass or return some structs by reference | |
657 | independent of this. */ | |
658 | int | |
659 | default_pass_by_reference (struct type *type) | |
660 | { | |
661 | return 0; | |
662 | } | |
663 | ||
9f0a5303 JB |
664 | /* Return the default string containing the list of characters |
665 | delimiting words. This is a reasonable default value that | |
666 | most languages should be able to use. */ | |
667 | ||
668 | char * | |
669 | default_word_break_characters (void) | |
670 | { | |
671 | return " \t\n!@#$%^&*()+=|~`}{[]\"';:?/>.<,-"; | |
672 | } | |
f636b87d | 673 | |
e79af960 JB |
674 | /* Print the index of array elements using the C99 syntax. */ |
675 | ||
676 | void | |
677 | default_print_array_index (struct value *index_value, struct ui_file *stream, | |
79a45b7d | 678 | const struct value_print_options *options) |
e79af960 JB |
679 | { |
680 | fprintf_filtered (stream, "["); | |
79a45b7d | 681 | LA_VALUE_PRINT (index_value, stream, options); |
e79af960 JB |
682 | fprintf_filtered (stream, "] = "); |
683 | } | |
684 | ||
ae6a3a4c TJB |
685 | void |
686 | default_get_string (struct value *value, gdb_byte **buffer, int *length, | |
96c07c5b | 687 | struct type **char_type, const char **charset) |
ae6a3a4c TJB |
688 | { |
689 | error (_("Getting a string is unsupported in this language.")); | |
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 | ||
700 | static void | |
fba45db2 | 701 | unk_lang_error (char *msg) |
c906108c | 702 | { |
8a3fe4f8 | 703 | error (_("Attempted to parse an expression with unknown language")); |
c906108c SS |
704 | } |
705 | ||
706 | static void | |
6c7a06a3 TT |
707 | unk_lang_emit_char (int c, struct type *type, struct ui_file *stream, |
708 | int quoter) | |
c906108c | 709 | { |
3e43a32a MS |
710 | error (_("internal error - unimplemented " |
711 | "function unk_lang_emit_char called.")); | |
c906108c SS |
712 | } |
713 | ||
714 | static void | |
6c7a06a3 | 715 | unk_lang_printchar (int c, struct type *type, struct ui_file *stream) |
c906108c | 716 | { |
3e43a32a MS |
717 | error (_("internal error - unimplemented " |
718 | "function unk_lang_printchar called.")); | |
c906108c SS |
719 | } |
720 | ||
721 | static void | |
6c7a06a3 TT |
722 | unk_lang_printstr (struct ui_file *stream, struct type *type, |
723 | const gdb_byte *string, unsigned int length, | |
be759fcf | 724 | const char *encoding, int force_ellipses, |
79a45b7d | 725 | const struct value_print_options *options) |
c906108c | 726 | { |
3e43a32a MS |
727 | error (_("internal error - unimplemented " |
728 | "function unk_lang_printstr called.")); | |
c906108c SS |
729 | } |
730 | ||
c906108c | 731 | static void |
25b524e8 | 732 | unk_lang_print_type (struct type *type, const char *varstring, |
79d43c61 TT |
733 | struct ui_file *stream, int show, int level, |
734 | const struct type_print_options *flags) | |
c906108c | 735 | { |
3e43a32a MS |
736 | error (_("internal error - unimplemented " |
737 | "function unk_lang_print_type called.")); | |
c906108c SS |
738 | } |
739 | ||
d3eab38a | 740 | static void |
fc1a4b47 | 741 | unk_lang_val_print (struct type *type, const gdb_byte *valaddr, |
a2bd3dcd | 742 | int embedded_offset, CORE_ADDR address, |
79a45b7d | 743 | struct ui_file *stream, int recurse, |
0e03807e | 744 | const struct value *val, |
79a45b7d | 745 | const struct value_print_options *options) |
c906108c | 746 | { |
3e43a32a MS |
747 | error (_("internal error - unimplemented " |
748 | "function unk_lang_val_print called.")); | |
c906108c SS |
749 | } |
750 | ||
8e069a98 | 751 | static void |
79a45b7d TT |
752 | unk_lang_value_print (struct value *val, struct ui_file *stream, |
753 | const struct value_print_options *options) | |
c906108c | 754 | { |
3e43a32a MS |
755 | error (_("internal error - unimplemented " |
756 | "function unk_lang_value_print called.")); | |
c906108c SS |
757 | } |
758 | ||
52f729a7 | 759 | static CORE_ADDR unk_lang_trampoline (struct frame_info *frame, CORE_ADDR pc) |
f636b87d AF |
760 | { |
761 | return 0; | |
762 | } | |
763 | ||
9a3d7dfd AF |
764 | /* Unknown languages just use the cplus demangler. */ |
765 | static char *unk_lang_demangle (const char *mangled, int options) | |
766 | { | |
8de20a37 | 767 | return gdb_demangle (mangled, options); |
9a3d7dfd AF |
768 | } |
769 | ||
31c27f77 JJ |
770 | static char *unk_lang_class_name (const char *mangled) |
771 | { | |
772 | return NULL; | |
773 | } | |
9a3d7dfd | 774 | |
c5aa993b JM |
775 | static const struct op_print unk_op_print_tab[] = |
776 | { | |
777 | {NULL, OP_NULL, PREC_NULL, 0} | |
c906108c SS |
778 | }; |
779 | ||
f290d38e AC |
780 | static void |
781 | unknown_language_arch_info (struct gdbarch *gdbarch, | |
782 | struct language_arch_info *lai) | |
783 | { | |
784 | lai->string_char_type = builtin_type (gdbarch)->builtin_char; | |
fbb06eb1 | 785 | lai->bool_type_default = builtin_type (gdbarch)->builtin_int; |
5a44ea29 | 786 | lai->primitive_type_vector = GDBARCH_OBSTACK_CALLOC (gdbarch, 1, |
f290d38e AC |
787 | struct type *); |
788 | } | |
789 | ||
c5aa993b JM |
790 | const struct language_defn unknown_language_defn = |
791 | { | |
c906108c | 792 | "unknown", |
6abde28f | 793 | "Unknown", |
c906108c | 794 | language_unknown, |
c906108c | 795 | range_check_off, |
63872f9d | 796 | case_sensitive_on, |
9a044a89 TT |
797 | array_row_major, |
798 | macro_expansion_no, | |
5f9769d1 | 799 | &exp_descriptor_standard, |
c906108c SS |
800 | unk_lang_parser, |
801 | unk_lang_error, | |
e85c3284 | 802 | null_post_parser, |
c906108c SS |
803 | unk_lang_printchar, /* Print character constant */ |
804 | unk_lang_printstr, | |
805 | unk_lang_emit_char, | |
c906108c | 806 | unk_lang_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 807 | default_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c SS |
808 | unk_lang_val_print, /* Print a value using appropriate syntax */ |
809 | unk_lang_value_print, /* Print a top-level value */ | |
a5ee536b | 810 | default_read_var_value, /* la_read_var_value */ |
f636b87d | 811 | unk_lang_trampoline, /* Language specific skip_trampoline */ |
2b2d9e11 | 812 | "this", /* name_of_this */ |
5f9a71c3 | 813 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 814 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 815 | unk_lang_demangle, /* Language specific symbol demangler */ |
3e43a32a MS |
816 | unk_lang_class_name, /* Language specific |
817 | class_name_from_physname */ | |
c906108c SS |
818 | unk_op_print_tab, /* expression operators for printing */ |
819 | 1, /* c-style arrays */ | |
820 | 0, /* String lower bound */ | |
6084f43a | 821 | default_word_break_characters, |
41d27058 | 822 | default_make_symbol_completion_list, |
f290d38e | 823 | unknown_language_arch_info, /* la_language_arch_info. */ |
e79af960 | 824 | default_print_array_index, |
41f1b697 | 825 | default_pass_by_reference, |
ae6a3a4c | 826 | default_get_string, |
1a119f36 | 827 | NULL, /* la_get_symbol_name_cmp */ |
f8eba3c6 | 828 | iterate_over_symbols, |
a53b64ea | 829 | &default_varobj_ops, |
bb2ec1b3 TT |
830 | NULL, |
831 | NULL, | |
c906108c SS |
832 | LANG_MAGIC |
833 | }; | |
834 | ||
1777feb0 MS |
835 | /* These two structs define fake entries for the "local" and "auto" |
836 | options. */ | |
c5aa993b JM |
837 | const struct language_defn auto_language_defn = |
838 | { | |
c906108c | 839 | "auto", |
6abde28f | 840 | "Auto", |
c906108c | 841 | language_auto, |
c906108c | 842 | range_check_off, |
63872f9d | 843 | case_sensitive_on, |
9a044a89 TT |
844 | array_row_major, |
845 | macro_expansion_no, | |
5f9769d1 | 846 | &exp_descriptor_standard, |
c906108c SS |
847 | unk_lang_parser, |
848 | unk_lang_error, | |
e85c3284 | 849 | null_post_parser, |
c906108c SS |
850 | unk_lang_printchar, /* Print character constant */ |
851 | unk_lang_printstr, | |
852 | unk_lang_emit_char, | |
c906108c | 853 | unk_lang_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 854 | default_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c SS |
855 | unk_lang_val_print, /* Print a value using appropriate syntax */ |
856 | unk_lang_value_print, /* Print a top-level value */ | |
a5ee536b | 857 | default_read_var_value, /* la_read_var_value */ |
f636b87d | 858 | unk_lang_trampoline, /* Language specific skip_trampoline */ |
2b2d9e11 | 859 | "this", /* name_of_this */ |
5f9a71c3 | 860 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 861 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 862 | unk_lang_demangle, /* Language specific symbol demangler */ |
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, |
41d27058 | 869 | default_make_symbol_completion_list, |
f290d38e | 870 | unknown_language_arch_info, /* la_language_arch_info. */ |
e79af960 | 871 | default_print_array_index, |
41f1b697 | 872 | default_pass_by_reference, |
ae6a3a4c | 873 | default_get_string, |
1a119f36 | 874 | NULL, /* la_get_symbol_name_cmp */ |
f8eba3c6 | 875 | iterate_over_symbols, |
a53b64ea | 876 | &default_varobj_ops, |
bb2ec1b3 TT |
877 | NULL, |
878 | NULL, | |
c906108c SS |
879 | LANG_MAGIC |
880 | }; | |
881 | ||
c5aa993b JM |
882 | const struct language_defn local_language_defn = |
883 | { | |
c906108c | 884 | "local", |
6abde28f | 885 | "Local", |
c906108c | 886 | language_auto, |
c906108c | 887 | range_check_off, |
63872f9d | 888 | case_sensitive_on, |
7ca2d3a3 | 889 | array_row_major, |
9a044a89 | 890 | macro_expansion_no, |
5f9769d1 | 891 | &exp_descriptor_standard, |
c906108c SS |
892 | unk_lang_parser, |
893 | unk_lang_error, | |
e85c3284 | 894 | null_post_parser, |
c906108c SS |
895 | unk_lang_printchar, /* Print character constant */ |
896 | unk_lang_printstr, | |
897 | unk_lang_emit_char, | |
c906108c | 898 | unk_lang_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 899 | default_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c SS |
900 | unk_lang_val_print, /* Print a value using appropriate syntax */ |
901 | unk_lang_value_print, /* Print a top-level value */ | |
a5ee536b | 902 | default_read_var_value, /* la_read_var_value */ |
f636b87d | 903 | unk_lang_trampoline, /* Language specific skip_trampoline */ |
2b2d9e11 | 904 | "this", /* name_of_this */ |
5f9a71c3 | 905 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 906 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 907 | unk_lang_demangle, /* Language specific symbol demangler */ |
3e43a32a MS |
908 | unk_lang_class_name, /* Language specific |
909 | class_name_from_physname */ | |
c906108c SS |
910 | unk_op_print_tab, /* expression operators for printing */ |
911 | 1, /* c-style arrays */ | |
912 | 0, /* String lower bound */ | |
6084f43a | 913 | default_word_break_characters, |
41d27058 | 914 | default_make_symbol_completion_list, |
f290d38e | 915 | unknown_language_arch_info, /* la_language_arch_info. */ |
e79af960 | 916 | default_print_array_index, |
41f1b697 | 917 | default_pass_by_reference, |
ae6a3a4c | 918 | default_get_string, |
1a119f36 | 919 | NULL, /* la_get_symbol_name_cmp */ |
f8eba3c6 | 920 | iterate_over_symbols, |
a53b64ea | 921 | &default_varobj_ops, |
bb2ec1b3 TT |
922 | NULL, |
923 | NULL, | |
c906108c SS |
924 | LANG_MAGIC |
925 | }; | |
926 | \f | |
f290d38e AC |
927 | /* Per-architecture language information. */ |
928 | ||
929 | static struct gdbarch_data *language_gdbarch_data; | |
930 | ||
931 | struct language_gdbarch | |
932 | { | |
933 | /* A vector of per-language per-architecture info. Indexed by "enum | |
934 | language". */ | |
935 | struct language_arch_info arch_info[nr_languages]; | |
936 | }; | |
937 | ||
938 | static void * | |
939 | language_gdbarch_post_init (struct gdbarch *gdbarch) | |
940 | { | |
941 | struct language_gdbarch *l; | |
942 | int i; | |
943 | ||
944 | l = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct language_gdbarch); | |
1285b746 | 945 | for (i = 0; i < languages_size; i++) |
f290d38e AC |
946 | { |
947 | if (languages[i] != NULL | |
948 | && languages[i]->la_language_arch_info != NULL) | |
949 | languages[i]->la_language_arch_info | |
950 | (gdbarch, l->arch_info + languages[i]->la_language); | |
951 | } | |
952 | return l; | |
953 | } | |
954 | ||
955 | struct type * | |
956 | language_string_char_type (const struct language_defn *la, | |
957 | struct gdbarch *gdbarch) | |
958 | { | |
959 | struct language_gdbarch *ld = gdbarch_data (gdbarch, | |
960 | language_gdbarch_data); | |
e0881a8e | 961 | |
aba2dd37 | 962 | return ld->arch_info[la->la_language].string_char_type; |
f290d38e AC |
963 | } |
964 | ||
fbb06eb1 UW |
965 | struct type * |
966 | language_bool_type (const struct language_defn *la, | |
967 | struct gdbarch *gdbarch) | |
968 | { | |
969 | struct language_gdbarch *ld = gdbarch_data (gdbarch, | |
970 | language_gdbarch_data); | |
971 | ||
972 | if (ld->arch_info[la->la_language].bool_type_symbol) | |
973 | { | |
974 | struct symbol *sym; | |
e0881a8e | 975 | |
fbb06eb1 UW |
976 | sym = lookup_symbol (ld->arch_info[la->la_language].bool_type_symbol, |
977 | NULL, VAR_DOMAIN, NULL); | |
978 | if (sym) | |
979 | { | |
980 | struct type *type = SYMBOL_TYPE (sym); | |
e0881a8e | 981 | |
fbb06eb1 UW |
982 | if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) |
983 | return type; | |
984 | } | |
985 | } | |
986 | ||
987 | return ld->arch_info[la->la_language].bool_type_default; | |
988 | } | |
989 | ||
1994afbf DE |
990 | /* Helper function for primitive type lookup. */ |
991 | ||
992 | static struct type ** | |
993 | language_lookup_primitive_type_1 (const struct language_arch_info *lai, | |
994 | const char *name) | |
995 | { | |
996 | struct type **p; | |
997 | ||
998 | for (p = lai->primitive_type_vector; (*p) != NULL; p++) | |
999 | { | |
1000 | if (strcmp (TYPE_NAME (*p), name) == 0) | |
1001 | return p; | |
1002 | } | |
1003 | return NULL; | |
1004 | } | |
1005 | ||
1006 | /* See language.h. */ | |
1007 | ||
f290d38e | 1008 | struct type * |
46b0da17 DE |
1009 | language_lookup_primitive_type (const struct language_defn *la, |
1010 | struct gdbarch *gdbarch, | |
1011 | const char *name) | |
f290d38e AC |
1012 | { |
1013 | struct language_gdbarch *ld = gdbarch_data (gdbarch, | |
1014 | language_gdbarch_data); | |
1994afbf DE |
1015 | struct type **typep; |
1016 | ||
1017 | typep = language_lookup_primitive_type_1 (&ld->arch_info[la->la_language], | |
1018 | name); | |
1019 | if (typep == NULL) | |
1020 | return NULL; | |
1021 | return *typep; | |
1022 | } | |
1023 | ||
1024 | /* Helper function for type lookup as a symbol. | |
1025 | Create the symbol corresponding to type TYPE in language LANG. */ | |
1026 | ||
1027 | static struct symbol * | |
1028 | language_alloc_type_symbol (enum language lang, struct type *type) | |
1029 | { | |
1030 | struct symbol *symbol; | |
1031 | struct gdbarch *gdbarch; | |
1032 | ||
1033 | gdb_assert (!TYPE_OBJFILE_OWNED (type)); | |
1034 | ||
1035 | gdbarch = TYPE_OWNER (type).gdbarch; | |
1036 | symbol = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct symbol); | |
1037 | ||
1038 | symbol->ginfo.name = TYPE_NAME (type); | |
1039 | symbol->ginfo.language = lang; | |
1040 | symbol->owner.arch = gdbarch; | |
1041 | SYMBOL_OBJFILE_OWNED (symbol) = 0; | |
1042 | SYMBOL_TYPE (symbol) = type; | |
1043 | SYMBOL_DOMAIN (symbol) = VAR_DOMAIN; | |
1044 | SYMBOL_ACLASS_INDEX (symbol) = LOC_TYPEDEF; | |
1045 | ||
1046 | return symbol; | |
1047 | } | |
1048 | ||
1049 | /* Initialize the primitive type symbols of language LD. | |
1050 | The primitive type vector must have already been initialized. */ | |
1051 | ||
1052 | static void | |
1053 | language_init_primitive_type_symbols (struct language_arch_info *lai, | |
1054 | const struct language_defn *la, | |
1055 | struct gdbarch *gdbarch) | |
1056 | { | |
1057 | int n; | |
1058 | struct compunit_symtab *cust; | |
1059 | struct symtab *symtab; | |
1060 | struct block *static_block, *global_block; | |
1061 | ||
1062 | gdb_assert (lai->primitive_type_vector != NULL); | |
1063 | ||
1064 | for (n = 0; lai->primitive_type_vector[n] != NULL; ++n) | |
1065 | continue; | |
1066 | ||
1067 | lai->primitive_type_symbols | |
1068 | = GDBARCH_OBSTACK_CALLOC (gdbarch, n + 1, struct symbol *); | |
1069 | ||
1070 | for (n = 0; lai->primitive_type_vector[n] != NULL; ++n) | |
1071 | { | |
1072 | lai->primitive_type_symbols[n] | |
1073 | = language_alloc_type_symbol (la->la_language, | |
1074 | lai->primitive_type_vector[n]); | |
1075 | } | |
1076 | ||
1077 | /* Note: The result of symbol lookup is normally a symbol *and* the block | |
1078 | it was found in (returned in global block_found). Builtin types don't | |
1079 | live in blocks. We *could* give them one, but there is no current need | |
1080 | so to keep things simple symbol lookup is extended to allow for | |
1081 | BLOCK_FOUND to be NULL. */ | |
1082 | } | |
1083 | ||
1084 | /* See language.h. */ | |
1085 | ||
1086 | struct symbol * | |
1087 | language_lookup_primitive_type_as_symbol (const struct language_defn *la, | |
1088 | struct gdbarch *gdbarch, | |
1089 | const char *name) | |
1090 | { | |
1091 | struct language_gdbarch *ld = gdbarch_data (gdbarch, | |
1092 | language_gdbarch_data); | |
1093 | struct language_arch_info *lai = &ld->arch_info[la->la_language]; | |
1094 | struct type **typep; | |
1095 | struct symbol *sym; | |
e0881a8e | 1096 | |
cc485e62 DE |
1097 | if (symbol_lookup_debug) |
1098 | { | |
1099 | fprintf_unfiltered (gdb_stdlog, | |
1994afbf DE |
1100 | "language_lookup_primitive_type_as_symbol" |
1101 | " (%s, %s, %s)", | |
cc485e62 DE |
1102 | la->la_name, host_address_to_string (gdbarch), name); |
1103 | } | |
1104 | ||
1994afbf DE |
1105 | typep = language_lookup_primitive_type_1 (lai, name); |
1106 | if (typep == NULL) | |
f290d38e | 1107 | { |
1994afbf DE |
1108 | if (symbol_lookup_debug) |
1109 | fprintf_unfiltered (gdb_stdlog, " = NULL\n"); | |
1110 | return NULL; | |
f290d38e | 1111 | } |
cc485e62 | 1112 | |
1994afbf DE |
1113 | /* The set of symbols is lazily initialized. */ |
1114 | if (lai->primitive_type_symbols == NULL) | |
1115 | language_init_primitive_type_symbols (lai, la, gdbarch); | |
1116 | ||
1117 | sym = lai->primitive_type_symbols[typep - lai->primitive_type_vector]; | |
1118 | ||
cc485e62 | 1119 | if (symbol_lookup_debug) |
1994afbf DE |
1120 | fprintf_unfiltered (gdb_stdlog, " = %s\n", host_address_to_string (sym)); |
1121 | return sym; | |
f290d38e AC |
1122 | } |
1123 | ||
1777feb0 | 1124 | /* Initialize the language routines. */ |
c906108c SS |
1125 | |
1126 | void | |
fba45db2 | 1127 | _initialize_language (void) |
c906108c | 1128 | { |
40478521 | 1129 | static const char *const type_or_range_names[] |
b84aa90a PA |
1130 | = { "on", "off", "warn", "auto", NULL }; |
1131 | ||
40478521 | 1132 | static const char *const case_sensitive_names[] |
b84aa90a | 1133 | = { "on", "off", "auto", NULL }; |
c5aa993b | 1134 | |
f290d38e AC |
1135 | language_gdbarch_data |
1136 | = gdbarch_data_register_post_init (language_gdbarch_post_init); | |
1137 | ||
1777feb0 | 1138 | /* GDB commands for language specific stuff. */ |
c5aa993b | 1139 | |
c5aa993b | 1140 | add_prefix_cmd ("check", no_class, set_check, |
1bedd215 | 1141 | _("Set the status of the type/range checker."), |
c5aa993b JM |
1142 | &setchecklist, "set check ", 0, &setlist); |
1143 | add_alias_cmd ("c", "check", no_class, 1, &setlist); | |
1144 | add_alias_cmd ("ch", "check", no_class, 1, &setlist); | |
1145 | ||
1146 | add_prefix_cmd ("check", no_class, show_check, | |
1bedd215 | 1147 | _("Show the status of the type/range checker."), |
c5aa993b JM |
1148 | &showchecklist, "show check ", 0, &showlist); |
1149 | add_alias_cmd ("c", "check", no_class, 1, &showlist); | |
1150 | add_alias_cmd ("ch", "check", no_class, 1, &showlist); | |
1151 | ||
b84aa90a | 1152 | add_setshow_enum_cmd ("range", class_support, type_or_range_names, |
3e43a32a MS |
1153 | &range, |
1154 | _("Set range checking. (on/warn/off/auto)"), | |
1155 | _("Show range checking. (on/warn/off/auto)"), | |
1156 | NULL, set_range_command, | |
b84aa90a PA |
1157 | show_range_command, |
1158 | &setchecklist, &showchecklist); | |
1159 | ||
1160 | add_setshow_enum_cmd ("case-sensitive", class_support, case_sensitive_names, | |
1161 | &case_sensitive, _("\ | |
4d28ad1e AC |
1162 | Set case sensitivity in name search. (on/off/auto)"), _("\ |
1163 | Show case sensitivity in name search. (on/off/auto)"), _("\ | |
1164 | For Fortran the default is off; for other languages the default is on."), | |
b84aa90a PA |
1165 | set_case_command, |
1166 | show_case_command, | |
1167 | &setlist, &showlist); | |
63872f9d | 1168 | |
c5aa993b | 1169 | add_language (&auto_language_defn); |
b84aa90a PA |
1170 | add_language (&local_language_defn); |
1171 | add_language (&unknown_language_defn); | |
c5aa993b | 1172 | |
1b36a34b JK |
1173 | language = xstrdup ("auto"); |
1174 | type = xstrdup ("auto"); | |
1175 | range = xstrdup ("auto"); | |
1176 | case_sensitive = xstrdup ("auto"); | |
63872f9d | 1177 | |
1777feb0 | 1178 | /* Have the above take effect. */ |
63872f9d | 1179 | set_language (language_auto); |
c906108c | 1180 | } |