Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Multiple source language support for GDB. |
1bac305b | 2 | |
6aba47ca | 3 | Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, |
0fb0cc75 | 4 | 2002, 2003, 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc. |
1bac305b | 5 | |
c906108c SS |
6 | Contributed by the Department of Computer Science at the State University |
7 | of New York at Buffalo. | |
8 | ||
c5aa993b | 9 | This file is part of GDB. |
c906108c | 10 | |
c5aa993b JM |
11 | This program is free software; you can redistribute it and/or modify |
12 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 13 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 14 | (at your option) any later version. |
c906108c | 15 | |
c5aa993b JM |
16 | This program is distributed in the hope that it will be useful, |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
c906108c | 20 | |
c5aa993b | 21 | You should have received a copy of the GNU General Public License |
a9762ec7 | 22 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
23 | |
24 | /* This file contains functions that return things that are specific | |
25 | to languages. Each function should examine current_language if necessary, | |
26 | and return the appropriate result. */ | |
27 | ||
28 | /* FIXME: Most of these would be better organized as macros which | |
29 | return data out of a "language-specific" struct pointer that is set | |
30 | whenever the working language changes. That would be a lot faster. */ | |
31 | ||
32 | #include "defs.h" | |
33 | #include <ctype.h> | |
34 | #include "gdb_string.h" | |
35 | ||
36 | #include "symtab.h" | |
37 | #include "gdbtypes.h" | |
38 | #include "value.h" | |
39 | #include "gdbcmd.h" | |
c906108c SS |
40 | #include "expression.h" |
41 | #include "language.h" | |
42 | #include "target.h" | |
43 | #include "parser-defs.h" | |
8caabe69 | 44 | #include "jv-lang.h" |
9a3d7dfd | 45 | #include "demangle.h" |
8b60591b | 46 | #include "symfile.h" |
c906108c | 47 | |
a14ed312 | 48 | extern void _initialize_language (void); |
392a587b | 49 | |
63872f9d JG |
50 | static void set_case_str (void); |
51 | ||
a14ed312 | 52 | static void set_range_str (void); |
c906108c | 53 | |
a14ed312 | 54 | static void set_type_str (void); |
c906108c | 55 | |
a14ed312 | 56 | static void set_lang_str (void); |
c906108c | 57 | |
a14ed312 | 58 | static void unk_lang_error (char *); |
c906108c | 59 | |
a14ed312 | 60 | static int unk_lang_parser (void); |
c906108c | 61 | |
a14ed312 | 62 | static void show_check (char *, int); |
c906108c | 63 | |
a14ed312 | 64 | static void set_check (char *, int); |
c906108c | 65 | |
63872f9d | 66 | static void set_type_range_case (void); |
c906108c | 67 | |
6c7a06a3 TT |
68 | static void unk_lang_emit_char (int c, struct type *type, |
69 | struct ui_file *stream, int quoter); | |
c906108c | 70 | |
6c7a06a3 TT |
71 | static void unk_lang_printchar (int c, struct type *type, |
72 | struct ui_file *stream); | |
c906108c | 73 | |
d9fcf2fb JM |
74 | static void unk_lang_print_type (struct type *, char *, struct ui_file *, |
75 | int, int); | |
c906108c | 76 | |
79a45b7d TT |
77 | static int unk_lang_value_print (struct value *, struct ui_file *, |
78 | const struct value_print_options *); | |
c906108c | 79 | |
52f729a7 | 80 | static CORE_ADDR unk_lang_trampoline (struct frame_info *, CORE_ADDR pc); |
f636b87d | 81 | |
c906108c SS |
82 | /* Forward declaration */ |
83 | extern const struct language_defn unknown_language_defn; | |
c5aa993b | 84 | |
c906108c | 85 | /* The current (default at startup) state of type and range checking. |
c5aa993b JM |
86 | (If the modes are set to "auto", though, these are changed based |
87 | on the default language at startup, and then again based on the | |
88 | language of the first source file. */ | |
c906108c SS |
89 | |
90 | enum range_mode range_mode = range_mode_auto; | |
91 | enum range_check range_check = range_check_off; | |
92 | enum type_mode type_mode = type_mode_auto; | |
93 | enum type_check type_check = type_check_off; | |
63872f9d JG |
94 | enum case_mode case_mode = case_mode_auto; |
95 | enum case_sensitivity case_sensitivity = case_sensitive_on; | |
c906108c SS |
96 | |
97 | /* The current language and language_mode (see language.h) */ | |
98 | ||
99 | const struct language_defn *current_language = &unknown_language_defn; | |
100 | enum language_mode language_mode = language_mode_auto; | |
101 | ||
102 | /* The language that the user expects to be typing in (the language | |
103 | of main(), or the last language we notified them about, or C). */ | |
104 | ||
105 | const struct language_defn *expected_language; | |
106 | ||
107 | /* The list of supported languages. The list itself is malloc'd. */ | |
108 | ||
109 | static const struct language_defn **languages; | |
110 | static unsigned languages_size; | |
111 | static unsigned languages_allocsize; | |
112 | #define DEFAULT_ALLOCSIZE 4 | |
113 | ||
114 | /* The "set language/type/range" commands all put stuff in these | |
115 | buffers. This is to make them work as set/show commands. The | |
116 | user's string is copied here, then the set_* commands look at | |
117 | them and update them to something that looks nice when it is | |
118 | printed out. */ | |
119 | ||
120 | static char *language; | |
121 | static char *type; | |
122 | static char *range; | |
63872f9d | 123 | static char *case_sensitive; |
c906108c SS |
124 | |
125 | /* Warning issued when current_language and the language of the current | |
126 | frame do not match. */ | |
127 | char lang_frame_mismatch_warn[] = | |
c5aa993b | 128 | "Warning: the current language does not match this frame."; |
c906108c SS |
129 | \f |
130 | /* This page contains the functions corresponding to GDB commands | |
131 | and their helpers. */ | |
132 | ||
133 | /* Show command. Display a warning if the language set | |
134 | does not match the frame. */ | |
135 | static void | |
4d28ad1e AC |
136 | show_language_command (struct ui_file *file, int from_tty, |
137 | struct cmd_list_element *c, const char *value) | |
c906108c | 138 | { |
c5aa993b | 139 | enum language flang; /* The language of the current frame */ |
c906108c | 140 | |
4d28ad1e | 141 | deprecated_show_value_hack (file, from_tty, c, value); |
c5aa993b JM |
142 | flang = get_frame_language (); |
143 | if (flang != language_unknown && | |
144 | language_mode == language_mode_manual && | |
145 | current_language->la_language != flang) | |
146 | printf_filtered ("%s\n", lang_frame_mismatch_warn); | |
c906108c SS |
147 | } |
148 | ||
149 | /* Set command. Change the current working language. */ | |
150 | static void | |
4d28ad1e | 151 | set_language_command (char *ignore, int from_tty, struct cmd_list_element *c) |
c906108c | 152 | { |
bda180e0 | 153 | int i, len; |
c906108c | 154 | enum language flang; |
bda180e0 TT |
155 | char *err_lang, *tem; |
156 | ||
157 | /* Strip trailing whitespace. */ | |
158 | if (!language) | |
159 | len = 0; | |
160 | else | |
161 | { | |
162 | len = strlen (language); | |
163 | while (len > 0 && language[len - 1] == ' ') | |
164 | --len; | |
165 | } | |
c906108c | 166 | |
bda180e0 | 167 | if (len == 0) |
c906108c | 168 | { |
a3f17187 AC |
169 | printf_unfiltered (_("\ |
170 | The currently understood settings are:\n\n\ | |
171 | local or auto Automatic setting based on source file\n")); | |
c906108c SS |
172 | |
173 | for (i = 0; i < languages_size; ++i) | |
174 | { | |
175 | /* Already dealt with these above. */ | |
176 | if (languages[i]->la_language == language_unknown | |
177 | || languages[i]->la_language == language_auto) | |
178 | continue; | |
179 | ||
a3f17187 AC |
180 | /* FIXME: i18n: for now assume that the human-readable name |
181 | is just a capitalization of the internal name. */ | |
c906108c SS |
182 | printf_unfiltered ("%-16s Use the %c%s language\n", |
183 | languages[i]->la_name, | |
c5aa993b JM |
184 | /* Capitalize first letter of language |
185 | name. */ | |
c906108c SS |
186 | toupper (languages[i]->la_name[0]), |
187 | languages[i]->la_name + 1); | |
188 | } | |
189 | /* Restore the silly string. */ | |
c5aa993b | 190 | set_language (current_language->la_language); |
c906108c SS |
191 | return; |
192 | } | |
193 | ||
bda180e0 TT |
194 | /* Reset LANGUAGE to avoid trailing spaces. */ |
195 | tem = savestring (language, len); | |
196 | xfree (language); | |
197 | language = tem; | |
198 | ||
c906108c | 199 | /* Search the list of languages for a match. */ |
c5aa993b JM |
200 | for (i = 0; i < languages_size; i++) |
201 | { | |
6314a349 | 202 | if (strcmp (languages[i]->la_name, language) == 0) |
c5aa993b JM |
203 | { |
204 | /* Found it! Go into manual mode, and use this language. */ | |
205 | if (languages[i]->la_language == language_auto) | |
206 | { | |
8b60591b JB |
207 | /* Enter auto mode. Set to the current frame's language, if |
208 | known, or fallback to the initial language. */ | |
c5aa993b JM |
209 | language_mode = language_mode_auto; |
210 | flang = get_frame_language (); | |
211 | if (flang != language_unknown) | |
212 | set_language (flang); | |
8b60591b JB |
213 | else |
214 | set_initial_language (); | |
c5aa993b JM |
215 | expected_language = current_language; |
216 | return; | |
217 | } | |
218 | else | |
219 | { | |
220 | /* Enter manual mode. Set the specified language. */ | |
221 | language_mode = language_mode_manual; | |
222 | current_language = languages[i]; | |
63872f9d | 223 | set_type_range_case (); |
c5aa993b JM |
224 | set_lang_str (); |
225 | expected_language = current_language; | |
226 | return; | |
227 | } | |
228 | } | |
c906108c | 229 | } |
c906108c SS |
230 | |
231 | /* Reset the language (esp. the global string "language") to the | |
232 | correct values. */ | |
1b36a34b | 233 | err_lang = xstrdup (language); |
b8c9b27d | 234 | make_cleanup (xfree, err_lang); /* Free it after error */ |
c5aa993b | 235 | set_language (current_language->la_language); |
8a3fe4f8 | 236 | error (_("Unknown language `%s'."), err_lang); |
c906108c SS |
237 | } |
238 | ||
6cc0b256 TT |
239 | static char ** |
240 | language_completer (struct cmd_list_element *self, char *text, char *word) | |
241 | { | |
242 | int i; | |
243 | const char **langnames | |
244 | = (const char **) alloca ((languages_size + 1) * sizeof (const char *)); | |
245 | ||
246 | for (i = 0; i < languages_size; ++i) | |
247 | langnames[i] = languages[i]->la_name; | |
248 | langnames[i] = NULL; | |
249 | ||
250 | return complete_on_enum (langnames, text, word); | |
251 | } | |
252 | ||
c906108c SS |
253 | /* Show command. Display a warning if the type setting does |
254 | not match the current language. */ | |
255 | static void | |
4d28ad1e AC |
256 | show_type_command (struct ui_file *file, int from_tty, |
257 | struct cmd_list_element *c, const char *value) | |
c906108c | 258 | { |
4d28ad1e | 259 | deprecated_show_value_hack (file, from_tty, c, value); |
c5aa993b JM |
260 | if (type_check != current_language->la_type_check) |
261 | printf_unfiltered ( | |
262 | "Warning: the current type check setting does not match the language.\n"); | |
c906108c SS |
263 | } |
264 | ||
265 | /* Set command. Change the setting for type checking. */ | |
266 | static void | |
4d28ad1e | 267 | set_type_command (char *ignore, int from_tty, struct cmd_list_element *c) |
c906108c | 268 | { |
bda180e0 TT |
269 | int len; |
270 | char *tem; | |
271 | ||
272 | /* Strip trailing whitespace. */ | |
273 | len = strlen (type); | |
274 | while (len > 0 && type[len - 1] == ' ') | |
275 | --len; | |
276 | /* Reset TYPE. */ | |
277 | tem = savestring (type, len); | |
278 | xfree (type); | |
279 | type = tem; | |
280 | ||
6314a349 | 281 | if (strcmp (type, "on") == 0) |
c5aa993b | 282 | { |
c906108c SS |
283 | type_check = type_check_on; |
284 | type_mode = type_mode_manual; | |
c5aa993b | 285 | } |
6314a349 | 286 | else if (strcmp (type, "warn") == 0) |
c5aa993b | 287 | { |
c906108c SS |
288 | type_check = type_check_warn; |
289 | type_mode = type_mode_manual; | |
c5aa993b | 290 | } |
6314a349 | 291 | else if (strcmp (type, "off") == 0) |
c5aa993b | 292 | { |
c906108c SS |
293 | type_check = type_check_off; |
294 | type_mode = type_mode_manual; | |
c5aa993b | 295 | } |
6314a349 | 296 | else if (strcmp (type, "auto") == 0) |
c5aa993b | 297 | { |
c906108c | 298 | type_mode = type_mode_auto; |
63872f9d | 299 | set_type_range_case (); |
c906108c | 300 | /* Avoid hitting the set_type_str call below. We |
63872f9d | 301 | did it in set_type_range_case. */ |
c906108c | 302 | return; |
c5aa993b | 303 | } |
c4093a6a JM |
304 | else |
305 | { | |
8a3fe4f8 | 306 | warning (_("Unrecognized type check setting: \"%s\""), type); |
c4093a6a | 307 | } |
c5aa993b | 308 | set_type_str (); |
4d28ad1e | 309 | show_type_command (NULL, from_tty, NULL, NULL); |
c906108c SS |
310 | } |
311 | ||
312 | /* Show command. Display a warning if the range setting does | |
313 | not match the current language. */ | |
314 | static void | |
4d28ad1e AC |
315 | show_range_command (struct ui_file *file, int from_tty, |
316 | struct cmd_list_element *c, const char *value) | |
c906108c | 317 | { |
4d28ad1e | 318 | deprecated_show_value_hack (file, from_tty, c, value); |
c5aa993b JM |
319 | if (range_check != current_language->la_range_check) |
320 | printf_unfiltered ( | |
321 | "Warning: the current range check setting does not match the language.\n"); | |
c906108c SS |
322 | } |
323 | ||
324 | /* Set command. Change the setting for range checking. */ | |
325 | static void | |
4d28ad1e | 326 | set_range_command (char *ignore, int from_tty, struct cmd_list_element *c) |
c906108c | 327 | { |
bda180e0 TT |
328 | int len; |
329 | char *tem; | |
330 | ||
331 | /* Strip trailing whitespace. */ | |
332 | len = strlen (range); | |
333 | while (len > 0 && range[len - 1] == ' ') | |
334 | --len; | |
335 | /* Reset RANGE. */ | |
336 | tem = savestring (range, len); | |
337 | xfree (range); | |
338 | range = tem; | |
339 | ||
6314a349 | 340 | if (strcmp (range, "on") == 0) |
c5aa993b | 341 | { |
c906108c SS |
342 | range_check = range_check_on; |
343 | range_mode = range_mode_manual; | |
c5aa993b | 344 | } |
6314a349 | 345 | else if (strcmp (range, "warn") == 0) |
c5aa993b | 346 | { |
c906108c SS |
347 | range_check = range_check_warn; |
348 | range_mode = range_mode_manual; | |
c5aa993b | 349 | } |
6314a349 | 350 | else if (strcmp (range, "off") == 0) |
c5aa993b | 351 | { |
c906108c SS |
352 | range_check = range_check_off; |
353 | range_mode = range_mode_manual; | |
c5aa993b | 354 | } |
6314a349 | 355 | else if (strcmp (range, "auto") == 0) |
c5aa993b | 356 | { |
c906108c | 357 | range_mode = range_mode_auto; |
63872f9d | 358 | set_type_range_case (); |
c906108c | 359 | /* Avoid hitting the set_range_str call below. We |
63872f9d | 360 | did it in set_type_range_case. */ |
c906108c | 361 | return; |
c5aa993b | 362 | } |
c4093a6a JM |
363 | else |
364 | { | |
8a3fe4f8 | 365 | warning (_("Unrecognized range check setting: \"%s\""), range); |
c4093a6a | 366 | } |
c5aa993b | 367 | set_range_str (); |
4d28ad1e | 368 | show_range_command (NULL, from_tty, NULL, NULL); |
c906108c SS |
369 | } |
370 | ||
6cc0b256 TT |
371 | /* Completer for range and type parameters. */ |
372 | static char ** | |
373 | range_or_type_completer (struct cmd_list_element *self, char *text, char *word) | |
374 | { | |
375 | static const char *values[] = { "on", "off", "warn", "auto", NULL }; | |
376 | return complete_on_enum (values, text, word); | |
377 | } | |
378 | ||
63872f9d JG |
379 | /* Show command. Display a warning if the case sensitivity setting does |
380 | not match the current language. */ | |
381 | static void | |
4d28ad1e AC |
382 | show_case_command (struct ui_file *file, int from_tty, |
383 | struct cmd_list_element *c, const char *value) | |
63872f9d | 384 | { |
4d28ad1e AC |
385 | deprecated_show_value_hack (file, from_tty, c, value); |
386 | if (case_sensitivity != current_language->la_case_sensitivity) | |
387 | printf_unfiltered( | |
63872f9d JG |
388 | "Warning: the current case sensitivity setting does not match the language.\n"); |
389 | } | |
390 | ||
591e78ff MK |
391 | /* Set command. Change the setting for case sensitivity. */ |
392 | ||
63872f9d | 393 | static void |
4d28ad1e | 394 | set_case_command (char *ignore, int from_tty, struct cmd_list_element *c) |
63872f9d | 395 | { |
591e78ff MK |
396 | if (strcmp (case_sensitive, "on") == 0) |
397 | { | |
398 | case_sensitivity = case_sensitive_on; | |
399 | case_mode = case_mode_manual; | |
400 | } | |
401 | else if (strcmp (case_sensitive, "off") == 0) | |
402 | { | |
403 | case_sensitivity = case_sensitive_off; | |
404 | case_mode = case_mode_manual; | |
405 | } | |
406 | else if (strcmp (case_sensitive, "auto") == 0) | |
407 | { | |
408 | case_mode = case_mode_auto; | |
409 | set_type_range_case (); | |
410 | /* Avoid hitting the set_case_str call below. We did it in | |
411 | set_type_range_case. */ | |
412 | return; | |
413 | } | |
63872f9d | 414 | else |
591e78ff MK |
415 | { |
416 | warning (_("Unrecognized case-sensitive setting: \"%s\""), | |
417 | case_sensitive); | |
418 | } | |
63872f9d | 419 | set_case_str(); |
4d28ad1e | 420 | show_case_command (NULL, from_tty, NULL, NULL); |
63872f9d JG |
421 | } |
422 | ||
6cc0b256 TT |
423 | /* Completer for case-sensitive parameter. */ |
424 | static char ** | |
425 | case_completer (struct cmd_list_element *self, char *text, char *word) | |
426 | { | |
427 | static const char *values[] = { "on", "off", "auto", NULL }; | |
428 | return complete_on_enum (values, text, word); | |
429 | } | |
430 | ||
63872f9d | 431 | /* Set the status of range and type checking and case sensitivity based on |
c906108c SS |
432 | the current modes and the current language. |
433 | If SHOW is non-zero, then print out the current language, | |
434 | type and range checking status. */ | |
435 | static void | |
63872f9d | 436 | set_type_range_case (void) |
c906108c SS |
437 | { |
438 | ||
439 | if (range_mode == range_mode_auto) | |
440 | range_check = current_language->la_range_check; | |
441 | ||
442 | if (type_mode == type_mode_auto) | |
443 | type_check = current_language->la_type_check; | |
444 | ||
63872f9d JG |
445 | if (case_mode == case_mode_auto) |
446 | case_sensitivity = current_language->la_case_sensitivity; | |
447 | ||
c5aa993b JM |
448 | set_type_str (); |
449 | set_range_str (); | |
63872f9d | 450 | set_case_str (); |
c906108c SS |
451 | } |
452 | ||
453 | /* Set current language to (enum language) LANG. Returns previous language. */ | |
454 | ||
455 | enum language | |
fba45db2 | 456 | set_language (enum language lang) |
c906108c SS |
457 | { |
458 | int i; | |
459 | enum language prev_language; | |
460 | ||
461 | prev_language = current_language->la_language; | |
462 | ||
c5aa993b JM |
463 | for (i = 0; i < languages_size; i++) |
464 | { | |
465 | if (languages[i]->la_language == lang) | |
466 | { | |
467 | current_language = languages[i]; | |
63872f9d | 468 | set_type_range_case (); |
c5aa993b JM |
469 | set_lang_str (); |
470 | break; | |
471 | } | |
c906108c | 472 | } |
c906108c SS |
473 | |
474 | return prev_language; | |
475 | } | |
476 | \f | |
477 | /* This page contains functions that update the global vars | |
478 | language, type and range. */ | |
479 | static void | |
fba45db2 | 480 | set_lang_str (void) |
c906108c | 481 | { |
c5aa993b | 482 | char *prefix = ""; |
c906108c | 483 | |
ccdaf797 | 484 | if (language) |
b8c9b27d | 485 | xfree (language); |
c5aa993b JM |
486 | if (language_mode == language_mode_auto) |
487 | prefix = "auto; currently "; | |
c906108c | 488 | |
1754f103 | 489 | language = concat (prefix, current_language->la_name, (char *)NULL); |
c906108c SS |
490 | } |
491 | ||
492 | static void | |
fba45db2 | 493 | set_type_str (void) |
c906108c | 494 | { |
c4093a6a | 495 | char *tmp = NULL, *prefix = ""; |
c906108c | 496 | |
ccdaf797 | 497 | if (type) |
b8c9b27d | 498 | xfree (type); |
c5aa993b JM |
499 | if (type_mode == type_mode_auto) |
500 | prefix = "auto; currently "; | |
c906108c | 501 | |
c5aa993b JM |
502 | switch (type_check) |
503 | { | |
504 | case type_check_on: | |
c906108c SS |
505 | tmp = "on"; |
506 | break; | |
c5aa993b | 507 | case type_check_off: |
c906108c SS |
508 | tmp = "off"; |
509 | break; | |
c5aa993b | 510 | case type_check_warn: |
c906108c SS |
511 | tmp = "warn"; |
512 | break; | |
c5aa993b | 513 | default: |
8a3fe4f8 | 514 | error (_("Unrecognized type check setting.")); |
c5aa993b | 515 | } |
c906108c | 516 | |
1754f103 | 517 | type = concat (prefix, tmp, (char *)NULL); |
c906108c SS |
518 | } |
519 | ||
520 | static void | |
fba45db2 | 521 | set_range_str (void) |
c906108c | 522 | { |
c5aa993b | 523 | char *tmp, *pref = ""; |
c906108c | 524 | |
c5aa993b JM |
525 | if (range_mode == range_mode_auto) |
526 | pref = "auto; currently "; | |
c906108c | 527 | |
c5aa993b JM |
528 | switch (range_check) |
529 | { | |
530 | case range_check_on: | |
c906108c SS |
531 | tmp = "on"; |
532 | break; | |
c5aa993b | 533 | case range_check_off: |
c906108c SS |
534 | tmp = "off"; |
535 | break; | |
c5aa993b | 536 | case range_check_warn: |
c906108c SS |
537 | tmp = "warn"; |
538 | break; | |
c5aa993b | 539 | default: |
8a3fe4f8 | 540 | error (_("Unrecognized range check setting.")); |
c5aa993b | 541 | } |
c906108c | 542 | |
ccdaf797 | 543 | if (range) |
b8c9b27d | 544 | xfree (range); |
1754f103 | 545 | range = concat (pref, tmp, (char *)NULL); |
c906108c SS |
546 | } |
547 | ||
63872f9d | 548 | static void |
5ae5f592 | 549 | set_case_str (void) |
63872f9d JG |
550 | { |
551 | char *tmp = NULL, *prefix = ""; | |
552 | ||
553 | if (case_mode==case_mode_auto) | |
554 | prefix = "auto; currently "; | |
555 | ||
556 | switch (case_sensitivity) | |
557 | { | |
558 | case case_sensitive_on: | |
559 | tmp = "on"; | |
560 | break; | |
561 | case case_sensitive_off: | |
562 | tmp = "off"; | |
563 | break; | |
564 | default: | |
8a3fe4f8 | 565 | error (_("Unrecognized case-sensitive setting.")); |
63872f9d JG |
566 | } |
567 | ||
b8c9b27d | 568 | xfree (case_sensitive); |
1754f103 | 569 | case_sensitive = concat (prefix, tmp, (char *)NULL); |
63872f9d | 570 | } |
c906108c SS |
571 | |
572 | /* Print out the current language settings: language, range and | |
573 | type checking. If QUIETLY, print only what has changed. */ | |
574 | ||
575 | void | |
fba45db2 | 576 | language_info (int quietly) |
c906108c SS |
577 | { |
578 | if (quietly && expected_language == current_language) | |
579 | return; | |
580 | ||
581 | expected_language = current_language; | |
a3f17187 | 582 | printf_unfiltered (_("Current language: %s\n"), language); |
4d28ad1e | 583 | show_language_command (NULL, 1, NULL, NULL); |
c906108c SS |
584 | |
585 | if (!quietly) | |
586 | { | |
a3f17187 | 587 | printf_unfiltered (_("Type checking: %s\n"), type); |
4d28ad1e | 588 | show_type_command (NULL, 1, NULL, NULL); |
a3f17187 | 589 | printf_unfiltered (_("Range checking: %s\n"), range); |
4d28ad1e | 590 | show_range_command (NULL, 1, NULL, NULL); |
a3f17187 | 591 | printf_unfiltered (_("Case sensitivity: %s\n"), case_sensitive); |
4d28ad1e | 592 | show_case_command (NULL, 1, NULL, NULL); |
c906108c SS |
593 | } |
594 | } | |
595 | \f | |
596 | /* Return the result of a binary operation. */ | |
597 | ||
c5aa993b | 598 | #if 0 /* Currently unused */ |
c906108c SS |
599 | |
600 | struct type * | |
3d6d86c6 | 601 | binop_result_type (struct value *v1, struct value *v2) |
c906108c | 602 | { |
c5aa993b JM |
603 | int size, uns; |
604 | struct type *t1 = check_typedef (VALUE_TYPE (v1)); | |
605 | struct type *t2 = check_typedef (VALUE_TYPE (v2)); | |
606 | ||
607 | int l1 = TYPE_LENGTH (t1); | |
608 | int l2 = TYPE_LENGTH (t2); | |
609 | ||
610 | switch (current_language->la_language) | |
611 | { | |
612 | case language_c: | |
613 | case language_cplus: | |
eb392fbf | 614 | case language_objc: |
c5aa993b JM |
615 | if (TYPE_CODE (t1) == TYPE_CODE_FLT) |
616 | return TYPE_CODE (t2) == TYPE_CODE_FLT && l2 > l1 ? | |
617 | VALUE_TYPE (v2) : VALUE_TYPE (v1); | |
618 | else if (TYPE_CODE (t2) == TYPE_CODE_FLT) | |
619 | return TYPE_CODE (t1) == TYPE_CODE_FLT && l1 > l2 ? | |
620 | VALUE_TYPE (v1) : VALUE_TYPE (v2); | |
621 | else if (TYPE_UNSIGNED (t1) && l1 > l2) | |
622 | return VALUE_TYPE (v1); | |
623 | else if (TYPE_UNSIGNED (t2) && l2 > l1) | |
624 | return VALUE_TYPE (v2); | |
625 | else /* Both are signed. Result is the longer type */ | |
626 | return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2); | |
c906108c | 627 | break; |
c5aa993b | 628 | case language_m2: |
c906108c | 629 | /* If we are doing type-checking, l1 should equal l2, so this is |
c5aa993b JM |
630 | not needed. */ |
631 | return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2); | |
c906108c | 632 | break; |
c5aa993b | 633 | } |
e2e0b3e5 | 634 | internal_error (__FILE__, __LINE__, _("failed internal consistency check")); |
c5aa993b | 635 | return (struct type *) 0; /* For lint */ |
c906108c SS |
636 | } |
637 | ||
c5aa993b | 638 | #endif /* 0 */ |
c906108c SS |
639 | #if 0 |
640 | /* This page contains functions that are used in type/range checking. | |
641 | They all return zero if the type/range check fails. | |
642 | ||
643 | It is hoped that these will make extending GDB to parse different | |
644 | languages a little easier. These are primarily used in eval.c when | |
645 | evaluating expressions and making sure that their types are correct. | |
646 | Instead of having a mess of conjucted/disjuncted expressions in an "if", | |
647 | the ideas of type can be wrapped up in the following functions. | |
648 | ||
649 | Note that some of them are not currently dependent upon which language | |
650 | is currently being parsed. For example, floats are the same in | |
651 | C and Modula-2 (ie. the only floating point type has TYPE_CODE of | |
652 | TYPE_CODE_FLT), while booleans are different. */ | |
653 | ||
654 | /* Returns non-zero if its argument is a simple type. This is the same for | |
655 | both Modula-2 and for C. In the C case, TYPE_CODE_CHAR will never occur, | |
656 | and thus will never cause the failure of the test. */ | |
657 | int | |
fba45db2 | 658 | simple_type (struct type *type) |
c906108c SS |
659 | { |
660 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
661 | switch (TYPE_CODE (type)) |
662 | { | |
663 | case TYPE_CODE_INT: | |
664 | case TYPE_CODE_CHAR: | |
665 | case TYPE_CODE_ENUM: | |
666 | case TYPE_CODE_FLT: | |
667 | case TYPE_CODE_RANGE: | |
668 | case TYPE_CODE_BOOL: | |
669 | return 1; | |
c906108c | 670 | |
c5aa993b JM |
671 | default: |
672 | return 0; | |
673 | } | |
c906108c SS |
674 | } |
675 | ||
676 | /* Returns non-zero if its argument is of an ordered type. | |
677 | An ordered type is one in which the elements can be tested for the | |
678 | properties of "greater than", "less than", etc, or for which the | |
679 | operations "increment" or "decrement" make sense. */ | |
680 | int | |
fba45db2 | 681 | ordered_type (struct type *type) |
c906108c SS |
682 | { |
683 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
684 | switch (TYPE_CODE (type)) |
685 | { | |
686 | case TYPE_CODE_INT: | |
687 | case TYPE_CODE_CHAR: | |
688 | case TYPE_CODE_ENUM: | |
689 | case TYPE_CODE_FLT: | |
690 | case TYPE_CODE_RANGE: | |
691 | return 1; | |
c906108c | 692 | |
c5aa993b JM |
693 | default: |
694 | return 0; | |
695 | } | |
c906108c SS |
696 | } |
697 | ||
698 | /* Returns non-zero if the two types are the same */ | |
699 | int | |
fba45db2 | 700 | same_type (struct type *arg1, struct type *arg2) |
c906108c SS |
701 | { |
702 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
703 | if (structured_type (arg1) ? !structured_type (arg2) : structured_type (arg2)) |
704 | /* One is structured and one isn't */ | |
705 | return 0; | |
706 | else if (structured_type (arg1) && structured_type (arg2)) | |
707 | return arg1 == arg2; | |
708 | else if (numeric_type (arg1) && numeric_type (arg2)) | |
709 | return (TYPE_CODE (arg2) == TYPE_CODE (arg1)) && | |
710 | (TYPE_UNSIGNED (arg1) == TYPE_UNSIGNED (arg2)) | |
711 | ? 1 : 0; | |
712 | else | |
713 | return arg1 == arg2; | |
c906108c SS |
714 | } |
715 | ||
716 | /* Returns non-zero if the type is integral */ | |
717 | int | |
fba45db2 | 718 | integral_type (struct type *type) |
c906108c SS |
719 | { |
720 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
721 | switch (current_language->la_language) |
722 | { | |
723 | case language_c: | |
724 | case language_cplus: | |
eb392fbf | 725 | case language_objc: |
c5aa993b JM |
726 | return (TYPE_CODE (type) != TYPE_CODE_INT) && |
727 | (TYPE_CODE (type) != TYPE_CODE_ENUM) ? 0 : 1; | |
728 | case language_m2: | |
750ba382 | 729 | case language_pascal: |
c5aa993b | 730 | return TYPE_CODE (type) != TYPE_CODE_INT ? 0 : 1; |
c5aa993b | 731 | default: |
8a3fe4f8 | 732 | error (_("Language not supported.")); |
c5aa993b | 733 | } |
c906108c SS |
734 | } |
735 | ||
736 | /* Returns non-zero if the value is numeric */ | |
737 | int | |
fba45db2 | 738 | numeric_type (struct type *type) |
c906108c SS |
739 | { |
740 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
741 | switch (TYPE_CODE (type)) |
742 | { | |
743 | case TYPE_CODE_INT: | |
744 | case TYPE_CODE_FLT: | |
745 | return 1; | |
c906108c | 746 | |
c5aa993b JM |
747 | default: |
748 | return 0; | |
749 | } | |
c906108c SS |
750 | } |
751 | ||
752 | /* Returns non-zero if the value is a character type */ | |
753 | int | |
fba45db2 | 754 | character_type (struct type *type) |
c906108c SS |
755 | { |
756 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
757 | switch (current_language->la_language) |
758 | { | |
c5aa993b | 759 | case language_m2: |
750ba382 | 760 | case language_pascal: |
c5aa993b JM |
761 | return TYPE_CODE (type) != TYPE_CODE_CHAR ? 0 : 1; |
762 | ||
763 | case language_c: | |
764 | case language_cplus: | |
eb392fbf | 765 | case language_objc: |
c5aa993b JM |
766 | return (TYPE_CODE (type) == TYPE_CODE_INT) && |
767 | TYPE_LENGTH (type) == sizeof (char) | |
768 | ? 1 : 0; | |
769 | default: | |
c906108c | 770 | return (0); |
c5aa993b | 771 | } |
c906108c SS |
772 | } |
773 | ||
774 | /* Returns non-zero if the value is a string type */ | |
775 | int | |
fba45db2 | 776 | string_type (struct type *type) |
c906108c SS |
777 | { |
778 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
779 | switch (current_language->la_language) |
780 | { | |
c5aa993b | 781 | case language_m2: |
750ba382 | 782 | case language_pascal: |
c5aa993b JM |
783 | return TYPE_CODE (type) != TYPE_CODE_STRING ? 0 : 1; |
784 | ||
785 | case language_c: | |
786 | case language_cplus: | |
eb392fbf | 787 | case language_objc: |
c906108c SS |
788 | /* C does not have distinct string type. */ |
789 | return (0); | |
c5aa993b | 790 | default: |
c906108c | 791 | return (0); |
c5aa993b | 792 | } |
c906108c SS |
793 | } |
794 | ||
795 | /* Returns non-zero if the value is a boolean type */ | |
796 | int | |
fba45db2 | 797 | boolean_type (struct type *type) |
c906108c SS |
798 | { |
799 | CHECK_TYPEDEF (type); | |
800 | if (TYPE_CODE (type) == TYPE_CODE_BOOL) | |
801 | return 1; | |
c5aa993b | 802 | switch (current_language->la_language) |
c906108c SS |
803 | { |
804 | case language_c: | |
805 | case language_cplus: | |
eb392fbf | 806 | case language_objc: |
db034ac5 | 807 | /* Might be more cleanly handled by having a |
1b831c93 | 808 | TYPE_CODE_INT_NOT_BOOL for (the deleted) CHILL and such |
db034ac5 | 809 | languages, or a TYPE_CODE_INT_OR_BOOL for C. */ |
c906108c SS |
810 | if (TYPE_CODE (type) == TYPE_CODE_INT) |
811 | return 1; | |
c5aa993b | 812 | default: |
c906108c | 813 | break; |
c5aa993b | 814 | } |
c906108c SS |
815 | return 0; |
816 | } | |
817 | ||
818 | /* Returns non-zero if the value is a floating-point type */ | |
819 | int | |
fba45db2 | 820 | float_type (struct type *type) |
c906108c SS |
821 | { |
822 | CHECK_TYPEDEF (type); | |
c5aa993b | 823 | return TYPE_CODE (type) == TYPE_CODE_FLT; |
c906108c SS |
824 | } |
825 | ||
826 | /* Returns non-zero if the value is a pointer type */ | |
827 | int | |
fba45db2 | 828 | pointer_type (struct type *type) |
c906108c | 829 | { |
c5aa993b JM |
830 | return TYPE_CODE (type) == TYPE_CODE_PTR || |
831 | TYPE_CODE (type) == TYPE_CODE_REF; | |
c906108c SS |
832 | } |
833 | ||
834 | /* Returns non-zero if the value is a structured type */ | |
835 | int | |
fba45db2 | 836 | structured_type (struct type *type) |
c906108c SS |
837 | { |
838 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
839 | switch (current_language->la_language) |
840 | { | |
841 | case language_c: | |
842 | case language_cplus: | |
eb392fbf | 843 | case language_objc: |
c5aa993b JM |
844 | return (TYPE_CODE (type) == TYPE_CODE_STRUCT) || |
845 | (TYPE_CODE (type) == TYPE_CODE_UNION) || | |
846 | (TYPE_CODE (type) == TYPE_CODE_ARRAY); | |
750ba382 PM |
847 | case language_pascal: |
848 | return (TYPE_CODE(type) == TYPE_CODE_STRUCT) || | |
849 | (TYPE_CODE(type) == TYPE_CODE_UNION) || | |
850 | (TYPE_CODE(type) == TYPE_CODE_SET) || | |
851 | (TYPE_CODE(type) == TYPE_CODE_ARRAY); | |
c5aa993b JM |
852 | case language_m2: |
853 | return (TYPE_CODE (type) == TYPE_CODE_STRUCT) || | |
854 | (TYPE_CODE (type) == TYPE_CODE_SET) || | |
855 | (TYPE_CODE (type) == TYPE_CODE_ARRAY); | |
c5aa993b | 856 | default: |
c906108c | 857 | return (0); |
c5aa993b | 858 | } |
c906108c SS |
859 | } |
860 | #endif | |
861 | \f | |
c906108c SS |
862 | /* This page contains functions that return info about |
863 | (struct value) values used in GDB. */ | |
864 | ||
865 | /* Returns non-zero if the value VAL represents a true value. */ | |
866 | int | |
3d6d86c6 | 867 | value_true (struct value *val) |
c906108c SS |
868 | { |
869 | /* It is possible that we should have some sort of error if a non-boolean | |
870 | value is used in this context. Possibly dependent on some kind of | |
871 | "boolean-checking" option like range checking. But it should probably | |
872 | not depend on the language except insofar as is necessary to identify | |
873 | a "boolean" value (i.e. in C using a float, pointer, etc., as a boolean | |
874 | should be an error, probably). */ | |
875 | return !value_logical_not (val); | |
876 | } | |
877 | \f | |
c906108c SS |
878 | /* This page contains functions for the printing out of |
879 | error messages that occur during type- and range- | |
880 | checking. */ | |
881 | ||
ddfe3c15 AC |
882 | /* These are called when a language fails a type- or range-check. The |
883 | first argument should be a printf()-style format string, and the | |
884 | rest of the arguments should be its arguments. If | |
885 | [type|range]_check is [type|range]_check_on, an error is printed; | |
886 | if [type|range]_check_warn, a warning; otherwise just the | |
887 | message. */ | |
c906108c SS |
888 | |
889 | void | |
ddfe3c15 | 890 | type_error (const char *string,...) |
c906108c | 891 | { |
c5aa993b | 892 | va_list args; |
c5aa993b | 893 | va_start (args, string); |
c906108c | 894 | |
ddfe3c15 AC |
895 | switch (type_check) |
896 | { | |
897 | case type_check_warn: | |
898 | vwarning (string, args); | |
899 | break; | |
900 | case type_check_on: | |
901 | verror (string, args); | |
902 | break; | |
903 | case type_check_off: | |
904 | /* FIXME: cagney/2002-01-30: Should this function print anything | |
905 | when type error is off? */ | |
906 | vfprintf_filtered (gdb_stderr, string, args); | |
907 | fprintf_filtered (gdb_stderr, "\n"); | |
908 | break; | |
909 | default: | |
e2e0b3e5 | 910 | internal_error (__FILE__, __LINE__, _("bad switch")); |
ddfe3c15 | 911 | } |
c5aa993b | 912 | va_end (args); |
c906108c SS |
913 | } |
914 | ||
915 | void | |
ddfe3c15 | 916 | range_error (const char *string,...) |
c906108c | 917 | { |
c5aa993b | 918 | va_list args; |
c5aa993b | 919 | va_start (args, string); |
c906108c | 920 | |
ddfe3c15 AC |
921 | switch (range_check) |
922 | { | |
923 | case range_check_warn: | |
924 | vwarning (string, args); | |
925 | break; | |
926 | case range_check_on: | |
927 | verror (string, args); | |
928 | break; | |
929 | case range_check_off: | |
930 | /* FIXME: cagney/2002-01-30: Should this function print anything | |
931 | when range error is off? */ | |
932 | vfprintf_filtered (gdb_stderr, string, args); | |
933 | fprintf_filtered (gdb_stderr, "\n"); | |
934 | break; | |
935 | default: | |
e2e0b3e5 | 936 | internal_error (__FILE__, __LINE__, _("bad switch")); |
ddfe3c15 | 937 | } |
c5aa993b | 938 | va_end (args); |
c906108c | 939 | } |
c906108c | 940 | \f |
c5aa993b | 941 | |
c906108c SS |
942 | /* This page contains miscellaneous functions */ |
943 | ||
944 | /* Return the language enum for a given language string. */ | |
945 | ||
946 | enum language | |
fba45db2 | 947 | language_enum (char *str) |
c906108c SS |
948 | { |
949 | int i; | |
950 | ||
c5aa993b | 951 | for (i = 0; i < languages_size; i++) |
591e78ff | 952 | if (strcmp (languages[i]->la_name, str) == 0) |
c906108c SS |
953 | return languages[i]->la_language; |
954 | ||
955 | return language_unknown; | |
956 | } | |
957 | ||
958 | /* Return the language struct for a given language enum. */ | |
959 | ||
960 | const struct language_defn * | |
fba45db2 | 961 | language_def (enum language lang) |
c906108c SS |
962 | { |
963 | int i; | |
964 | ||
c5aa993b JM |
965 | for (i = 0; i < languages_size; i++) |
966 | { | |
967 | if (languages[i]->la_language == lang) | |
968 | { | |
969 | return languages[i]; | |
970 | } | |
c906108c | 971 | } |
c906108c SS |
972 | return NULL; |
973 | } | |
974 | ||
975 | /* Return the language as a string */ | |
976 | char * | |
fba45db2 | 977 | language_str (enum language lang) |
c906108c SS |
978 | { |
979 | int i; | |
980 | ||
c5aa993b JM |
981 | for (i = 0; i < languages_size; i++) |
982 | { | |
983 | if (languages[i]->la_language == lang) | |
984 | { | |
985 | return languages[i]->la_name; | |
986 | } | |
c906108c | 987 | } |
c906108c SS |
988 | return "Unknown"; |
989 | } | |
990 | ||
991 | static void | |
fba45db2 | 992 | set_check (char *ignore, int from_tty) |
c906108c | 993 | { |
c5aa993b JM |
994 | printf_unfiltered ( |
995 | "\"set check\" must be followed by the name of a check subcommand.\n"); | |
996 | help_list (setchecklist, "set check ", -1, gdb_stdout); | |
c906108c SS |
997 | } |
998 | ||
999 | static void | |
fba45db2 | 1000 | show_check (char *ignore, int from_tty) |
c906108c | 1001 | { |
c5aa993b | 1002 | cmd_show_list (showchecklist, from_tty, ""); |
c906108c SS |
1003 | } |
1004 | \f | |
1005 | /* Add a language to the set of known languages. */ | |
1006 | ||
1007 | void | |
fba45db2 | 1008 | add_language (const struct language_defn *lang) |
c906108c SS |
1009 | { |
1010 | if (lang->la_magic != LANG_MAGIC) | |
1011 | { | |
c5aa993b JM |
1012 | fprintf_unfiltered (gdb_stderr, "Magic number of %s language struct wrong\n", |
1013 | lang->la_name); | |
e2e0b3e5 | 1014 | internal_error (__FILE__, __LINE__, _("failed internal consistency check")); |
c906108c SS |
1015 | } |
1016 | ||
1017 | if (!languages) | |
1018 | { | |
1019 | languages_allocsize = DEFAULT_ALLOCSIZE; | |
1020 | languages = (const struct language_defn **) xmalloc | |
1021 | (languages_allocsize * sizeof (*languages)); | |
1022 | } | |
1023 | if (languages_size >= languages_allocsize) | |
1024 | { | |
1025 | languages_allocsize *= 2; | |
1026 | languages = (const struct language_defn **) xrealloc ((char *) languages, | |
c5aa993b | 1027 | languages_allocsize * sizeof (*languages)); |
c906108c SS |
1028 | } |
1029 | languages[languages_size++] = lang; | |
1030 | } | |
1031 | ||
f636b87d AF |
1032 | /* Iterate through all registered languages looking for and calling |
1033 | any non-NULL struct language_defn.skip_trampoline() functions. | |
1034 | Return the result from the first that returns non-zero, or 0 if all | |
1035 | `fail'. */ | |
1036 | CORE_ADDR | |
52f729a7 | 1037 | skip_language_trampoline (struct frame_info *frame, CORE_ADDR pc) |
f636b87d AF |
1038 | { |
1039 | int i; | |
1040 | ||
1041 | for (i = 0; i < languages_size; i++) | |
1042 | { | |
1043 | if (languages[i]->skip_trampoline) | |
1044 | { | |
52f729a7 | 1045 | CORE_ADDR real_pc = (languages[i]->skip_trampoline) (frame, pc); |
f636b87d AF |
1046 | if (real_pc) |
1047 | return real_pc; | |
1048 | } | |
1049 | } | |
1050 | ||
1051 | return 0; | |
1052 | } | |
1053 | ||
9a3d7dfd AF |
1054 | /* Return demangled language symbol, or NULL. |
1055 | FIXME: Options are only useful for certain languages and ignored | |
1056 | by others, so it would be better to remove them here and have a | |
1057 | more flexible demangler for the languages that need it. | |
1058 | FIXME: Sometimes the demangler is invoked when we don't know the | |
1059 | language, so we can't use this everywhere. */ | |
1060 | char * | |
1061 | language_demangle (const struct language_defn *current_language, | |
1062 | const char *mangled, int options) | |
1063 | { | |
1064 | if (current_language != NULL && current_language->la_demangle) | |
1065 | return current_language->la_demangle (mangled, options); | |
1066 | return NULL; | |
1067 | } | |
1068 | ||
31c27f77 JJ |
1069 | /* Return class name from physname or NULL. */ |
1070 | char * | |
1071 | language_class_name_from_physname (const struct language_defn *current_language, | |
1072 | const char *physname) | |
1073 | { | |
1074 | if (current_language != NULL && current_language->la_class_name_from_physname) | |
1075 | return current_language->la_class_name_from_physname (physname); | |
1076 | return NULL; | |
1077 | } | |
1078 | ||
41f1b697 DJ |
1079 | /* Return non-zero if TYPE should be passed (and returned) by |
1080 | reference at the language level. */ | |
1081 | int | |
1082 | language_pass_by_reference (struct type *type) | |
1083 | { | |
1084 | return current_language->la_pass_by_reference (type); | |
1085 | } | |
1086 | ||
1087 | /* Return zero; by default, types are passed by value at the language | |
1088 | level. The target ABI may pass or return some structs by reference | |
1089 | independent of this. */ | |
1090 | int | |
1091 | default_pass_by_reference (struct type *type) | |
1092 | { | |
1093 | return 0; | |
1094 | } | |
1095 | ||
9f0a5303 JB |
1096 | /* Return the default string containing the list of characters |
1097 | delimiting words. This is a reasonable default value that | |
1098 | most languages should be able to use. */ | |
1099 | ||
1100 | char * | |
1101 | default_word_break_characters (void) | |
1102 | { | |
1103 | return " \t\n!@#$%^&*()+=|~`}{[]\"';:?/>.<,-"; | |
1104 | } | |
f636b87d | 1105 | |
e79af960 JB |
1106 | /* Print the index of array elements using the C99 syntax. */ |
1107 | ||
1108 | void | |
1109 | default_print_array_index (struct value *index_value, struct ui_file *stream, | |
79a45b7d | 1110 | const struct value_print_options *options) |
e79af960 JB |
1111 | { |
1112 | fprintf_filtered (stream, "["); | |
79a45b7d | 1113 | LA_VALUE_PRINT (index_value, stream, options); |
e79af960 JB |
1114 | fprintf_filtered (stream, "] = "); |
1115 | } | |
1116 | ||
ae6a3a4c TJB |
1117 | void |
1118 | default_get_string (struct value *value, gdb_byte **buffer, int *length, | |
1119 | const char **charset) | |
1120 | { | |
1121 | error (_("Getting a string is unsupported in this language.")); | |
1122 | } | |
1123 | ||
c906108c SS |
1124 | /* Define the language that is no language. */ |
1125 | ||
1126 | static int | |
fba45db2 | 1127 | unk_lang_parser (void) |
c906108c SS |
1128 | { |
1129 | return 1; | |
1130 | } | |
1131 | ||
1132 | static void | |
fba45db2 | 1133 | unk_lang_error (char *msg) |
c906108c | 1134 | { |
8a3fe4f8 | 1135 | error (_("Attempted to parse an expression with unknown language")); |
c906108c SS |
1136 | } |
1137 | ||
1138 | static void | |
6c7a06a3 TT |
1139 | unk_lang_emit_char (int c, struct type *type, struct ui_file *stream, |
1140 | int quoter) | |
c906108c | 1141 | { |
8a3fe4f8 | 1142 | error (_("internal error - unimplemented function unk_lang_emit_char called.")); |
c906108c SS |
1143 | } |
1144 | ||
1145 | static void | |
6c7a06a3 | 1146 | unk_lang_printchar (int c, struct type *type, struct ui_file *stream) |
c906108c | 1147 | { |
8a3fe4f8 | 1148 | error (_("internal error - unimplemented function unk_lang_printchar called.")); |
c906108c SS |
1149 | } |
1150 | ||
1151 | static void | |
6c7a06a3 TT |
1152 | unk_lang_printstr (struct ui_file *stream, struct type *type, |
1153 | const gdb_byte *string, unsigned int length, | |
1154 | int force_ellipses, | |
79a45b7d | 1155 | const struct value_print_options *options) |
c906108c | 1156 | { |
8a3fe4f8 | 1157 | error (_("internal error - unimplemented function unk_lang_printstr called.")); |
c906108c SS |
1158 | } |
1159 | ||
c906108c | 1160 | static void |
fba45db2 KB |
1161 | unk_lang_print_type (struct type *type, char *varstring, struct ui_file *stream, |
1162 | int show, int level) | |
c906108c | 1163 | { |
8a3fe4f8 | 1164 | error (_("internal error - unimplemented function unk_lang_print_type called.")); |
c906108c SS |
1165 | } |
1166 | ||
1167 | static int | |
fc1a4b47 | 1168 | unk_lang_val_print (struct type *type, const gdb_byte *valaddr, |
a2bd3dcd | 1169 | int embedded_offset, CORE_ADDR address, |
79a45b7d TT |
1170 | struct ui_file *stream, int recurse, |
1171 | const struct value_print_options *options) | |
c906108c | 1172 | { |
8a3fe4f8 | 1173 | error (_("internal error - unimplemented function unk_lang_val_print called.")); |
c906108c SS |
1174 | } |
1175 | ||
1176 | static int | |
79a45b7d TT |
1177 | unk_lang_value_print (struct value *val, struct ui_file *stream, |
1178 | const struct value_print_options *options) | |
c906108c | 1179 | { |
8a3fe4f8 | 1180 | error (_("internal error - unimplemented function unk_lang_value_print called.")); |
c906108c SS |
1181 | } |
1182 | ||
52f729a7 | 1183 | static CORE_ADDR unk_lang_trampoline (struct frame_info *frame, CORE_ADDR pc) |
f636b87d AF |
1184 | { |
1185 | return 0; | |
1186 | } | |
1187 | ||
9a3d7dfd AF |
1188 | /* Unknown languages just use the cplus demangler. */ |
1189 | static char *unk_lang_demangle (const char *mangled, int options) | |
1190 | { | |
1191 | return cplus_demangle (mangled, options); | |
1192 | } | |
1193 | ||
31c27f77 JJ |
1194 | static char *unk_lang_class_name (const char *mangled) |
1195 | { | |
1196 | return NULL; | |
1197 | } | |
9a3d7dfd | 1198 | |
c5aa993b JM |
1199 | static const struct op_print unk_op_print_tab[] = |
1200 | { | |
1201 | {NULL, OP_NULL, PREC_NULL, 0} | |
c906108c SS |
1202 | }; |
1203 | ||
f290d38e AC |
1204 | static void |
1205 | unknown_language_arch_info (struct gdbarch *gdbarch, | |
1206 | struct language_arch_info *lai) | |
1207 | { | |
1208 | lai->string_char_type = builtin_type (gdbarch)->builtin_char; | |
fbb06eb1 | 1209 | lai->bool_type_default = builtin_type (gdbarch)->builtin_int; |
5a44ea29 | 1210 | lai->primitive_type_vector = GDBARCH_OBSTACK_CALLOC (gdbarch, 1, |
f290d38e AC |
1211 | struct type *); |
1212 | } | |
1213 | ||
c5aa993b JM |
1214 | const struct language_defn unknown_language_defn = |
1215 | { | |
c906108c SS |
1216 | "unknown", |
1217 | language_unknown, | |
c906108c SS |
1218 | range_check_off, |
1219 | type_check_off, | |
63872f9d | 1220 | case_sensitive_on, |
9a044a89 TT |
1221 | array_row_major, |
1222 | macro_expansion_no, | |
5f9769d1 | 1223 | &exp_descriptor_standard, |
c906108c SS |
1224 | unk_lang_parser, |
1225 | unk_lang_error, | |
e85c3284 | 1226 | null_post_parser, |
c906108c SS |
1227 | unk_lang_printchar, /* Print character constant */ |
1228 | unk_lang_printstr, | |
1229 | unk_lang_emit_char, | |
c906108c | 1230 | unk_lang_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 1231 | default_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c SS |
1232 | unk_lang_val_print, /* Print a value using appropriate syntax */ |
1233 | unk_lang_value_print, /* Print a top-level value */ | |
f636b87d | 1234 | unk_lang_trampoline, /* Language specific skip_trampoline */ |
2b2d9e11 | 1235 | "this", /* name_of_this */ |
5f9a71c3 | 1236 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 1237 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 1238 | unk_lang_demangle, /* Language specific symbol demangler */ |
31c27f77 | 1239 | unk_lang_class_name, /* Language specific class_name_from_physname */ |
c906108c SS |
1240 | unk_op_print_tab, /* expression operators for printing */ |
1241 | 1, /* c-style arrays */ | |
1242 | 0, /* String lower bound */ | |
6084f43a | 1243 | default_word_break_characters, |
41d27058 | 1244 | default_make_symbol_completion_list, |
f290d38e | 1245 | unknown_language_arch_info, /* la_language_arch_info. */ |
e79af960 | 1246 | default_print_array_index, |
41f1b697 | 1247 | default_pass_by_reference, |
ae6a3a4c | 1248 | default_get_string, |
c906108c SS |
1249 | LANG_MAGIC |
1250 | }; | |
1251 | ||
1252 | /* These two structs define fake entries for the "local" and "auto" options. */ | |
c5aa993b JM |
1253 | const struct language_defn auto_language_defn = |
1254 | { | |
c906108c SS |
1255 | "auto", |
1256 | language_auto, | |
c906108c SS |
1257 | range_check_off, |
1258 | type_check_off, | |
63872f9d | 1259 | case_sensitive_on, |
9a044a89 TT |
1260 | array_row_major, |
1261 | macro_expansion_no, | |
5f9769d1 | 1262 | &exp_descriptor_standard, |
c906108c SS |
1263 | unk_lang_parser, |
1264 | unk_lang_error, | |
e85c3284 | 1265 | null_post_parser, |
c906108c SS |
1266 | unk_lang_printchar, /* Print character constant */ |
1267 | unk_lang_printstr, | |
1268 | unk_lang_emit_char, | |
c906108c | 1269 | unk_lang_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 1270 | default_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c SS |
1271 | unk_lang_val_print, /* Print a value using appropriate syntax */ |
1272 | unk_lang_value_print, /* Print a top-level value */ | |
f636b87d | 1273 | unk_lang_trampoline, /* Language specific skip_trampoline */ |
2b2d9e11 | 1274 | "this", /* name_of_this */ |
5f9a71c3 | 1275 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 1276 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 1277 | unk_lang_demangle, /* Language specific symbol demangler */ |
31c27f77 | 1278 | unk_lang_class_name, /* Language specific class_name_from_physname */ |
c906108c SS |
1279 | unk_op_print_tab, /* expression operators for printing */ |
1280 | 1, /* c-style arrays */ | |
1281 | 0, /* String lower bound */ | |
6084f43a | 1282 | default_word_break_characters, |
41d27058 | 1283 | default_make_symbol_completion_list, |
f290d38e | 1284 | unknown_language_arch_info, /* la_language_arch_info. */ |
e79af960 | 1285 | default_print_array_index, |
41f1b697 | 1286 | default_pass_by_reference, |
ae6a3a4c | 1287 | default_get_string, |
c906108c SS |
1288 | LANG_MAGIC |
1289 | }; | |
1290 | ||
c5aa993b JM |
1291 | const struct language_defn local_language_defn = |
1292 | { | |
c906108c SS |
1293 | "local", |
1294 | language_auto, | |
c906108c SS |
1295 | range_check_off, |
1296 | type_check_off, | |
63872f9d | 1297 | case_sensitive_on, |
7ca2d3a3 | 1298 | array_row_major, |
9a044a89 | 1299 | macro_expansion_no, |
5f9769d1 | 1300 | &exp_descriptor_standard, |
c906108c SS |
1301 | unk_lang_parser, |
1302 | unk_lang_error, | |
e85c3284 | 1303 | null_post_parser, |
c906108c SS |
1304 | unk_lang_printchar, /* Print character constant */ |
1305 | unk_lang_printstr, | |
1306 | unk_lang_emit_char, | |
c906108c | 1307 | unk_lang_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 1308 | default_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c SS |
1309 | unk_lang_val_print, /* Print a value using appropriate syntax */ |
1310 | unk_lang_value_print, /* Print a top-level value */ | |
f636b87d | 1311 | unk_lang_trampoline, /* Language specific skip_trampoline */ |
2b2d9e11 | 1312 | "this", /* name_of_this */ |
5f9a71c3 | 1313 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 1314 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 1315 | unk_lang_demangle, /* Language specific symbol demangler */ |
31c27f77 | 1316 | unk_lang_class_name, /* Language specific class_name_from_physname */ |
c906108c SS |
1317 | unk_op_print_tab, /* expression operators for printing */ |
1318 | 1, /* c-style arrays */ | |
1319 | 0, /* String lower bound */ | |
6084f43a | 1320 | default_word_break_characters, |
41d27058 | 1321 | default_make_symbol_completion_list, |
f290d38e | 1322 | unknown_language_arch_info, /* la_language_arch_info. */ |
e79af960 | 1323 | default_print_array_index, |
41f1b697 | 1324 | default_pass_by_reference, |
ae6a3a4c | 1325 | default_get_string, |
c906108c SS |
1326 | LANG_MAGIC |
1327 | }; | |
1328 | \f | |
f290d38e AC |
1329 | /* Per-architecture language information. */ |
1330 | ||
1331 | static struct gdbarch_data *language_gdbarch_data; | |
1332 | ||
1333 | struct language_gdbarch | |
1334 | { | |
1335 | /* A vector of per-language per-architecture info. Indexed by "enum | |
1336 | language". */ | |
1337 | struct language_arch_info arch_info[nr_languages]; | |
1338 | }; | |
1339 | ||
1340 | static void * | |
1341 | language_gdbarch_post_init (struct gdbarch *gdbarch) | |
1342 | { | |
1343 | struct language_gdbarch *l; | |
1344 | int i; | |
1345 | ||
1346 | l = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct language_gdbarch); | |
1285b746 | 1347 | for (i = 0; i < languages_size; i++) |
f290d38e AC |
1348 | { |
1349 | if (languages[i] != NULL | |
1350 | && languages[i]->la_language_arch_info != NULL) | |
1351 | languages[i]->la_language_arch_info | |
1352 | (gdbarch, l->arch_info + languages[i]->la_language); | |
1353 | } | |
1354 | return l; | |
1355 | } | |
1356 | ||
1357 | struct type * | |
1358 | language_string_char_type (const struct language_defn *la, | |
1359 | struct gdbarch *gdbarch) | |
1360 | { | |
1361 | struct language_gdbarch *ld = gdbarch_data (gdbarch, | |
1362 | language_gdbarch_data); | |
aba2dd37 | 1363 | return ld->arch_info[la->la_language].string_char_type; |
f290d38e AC |
1364 | } |
1365 | ||
fbb06eb1 UW |
1366 | struct type * |
1367 | language_bool_type (const struct language_defn *la, | |
1368 | struct gdbarch *gdbarch) | |
1369 | { | |
1370 | struct language_gdbarch *ld = gdbarch_data (gdbarch, | |
1371 | language_gdbarch_data); | |
1372 | ||
1373 | if (ld->arch_info[la->la_language].bool_type_symbol) | |
1374 | { | |
1375 | struct symbol *sym; | |
1376 | sym = lookup_symbol (ld->arch_info[la->la_language].bool_type_symbol, | |
1377 | NULL, VAR_DOMAIN, NULL); | |
1378 | if (sym) | |
1379 | { | |
1380 | struct type *type = SYMBOL_TYPE (sym); | |
1381 | if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) | |
1382 | return type; | |
1383 | } | |
1384 | } | |
1385 | ||
1386 | return ld->arch_info[la->la_language].bool_type_default; | |
1387 | } | |
1388 | ||
f290d38e | 1389 | struct type * |
5a44ea29 | 1390 | language_lookup_primitive_type_by_name (const struct language_defn *la, |
f290d38e AC |
1391 | struct gdbarch *gdbarch, |
1392 | const char *name) | |
1393 | { | |
1394 | struct language_gdbarch *ld = gdbarch_data (gdbarch, | |
1395 | language_gdbarch_data); | |
aba2dd37 UW |
1396 | struct type *const *p; |
1397 | for (p = ld->arch_info[la->la_language].primitive_type_vector; | |
1398 | (*p) != NULL; | |
1399 | p++) | |
f290d38e | 1400 | { |
aba2dd37 UW |
1401 | if (strcmp (TYPE_NAME (*p), name) == 0) |
1402 | return (*p); | |
f290d38e AC |
1403 | } |
1404 | return (NULL); | |
1405 | } | |
1406 | ||
c906108c SS |
1407 | /* Initialize the language routines */ |
1408 | ||
1409 | void | |
fba45db2 | 1410 | _initialize_language (void) |
c906108c | 1411 | { |
6cc0b256 | 1412 | struct cmd_list_element *command; |
c5aa993b | 1413 | |
f290d38e AC |
1414 | language_gdbarch_data |
1415 | = gdbarch_data_register_post_init (language_gdbarch_post_init); | |
1416 | ||
c5aa993b JM |
1417 | /* GDB commands for language specific stuff */ |
1418 | ||
6cc0b256 TT |
1419 | command = add_setshow_string_noescape_cmd ("language", class_support, |
1420 | &language, _("\ | |
4d28ad1e AC |
1421 | Set the current source language."), _("\ |
1422 | Show the current source language."), NULL, | |
6cc0b256 TT |
1423 | set_language_command, |
1424 | show_language_command, | |
1425 | &setlist, &showlist); | |
1426 | set_cmd_completer (command, language_completer); | |
c5aa993b JM |
1427 | |
1428 | add_prefix_cmd ("check", no_class, set_check, | |
1bedd215 | 1429 | _("Set the status of the type/range checker."), |
c5aa993b JM |
1430 | &setchecklist, "set check ", 0, &setlist); |
1431 | add_alias_cmd ("c", "check", no_class, 1, &setlist); | |
1432 | add_alias_cmd ("ch", "check", no_class, 1, &setlist); | |
1433 | ||
1434 | add_prefix_cmd ("check", no_class, show_check, | |
1bedd215 | 1435 | _("Show the status of the type/range checker."), |
c5aa993b JM |
1436 | &showchecklist, "show check ", 0, &showlist); |
1437 | add_alias_cmd ("c", "check", no_class, 1, &showlist); | |
1438 | add_alias_cmd ("ch", "check", no_class, 1, &showlist); | |
1439 | ||
6cc0b256 TT |
1440 | command = |
1441 | add_setshow_string_noescape_cmd ("type", class_support, | |
1442 | &type, _("\ | |
4d28ad1e AC |
1443 | Set type checking. (on/warn/off/auto)"), _("\ |
1444 | Show type checking. (on/warn/off/auto)"), NULL, | |
6cc0b256 TT |
1445 | set_type_command, |
1446 | show_type_command, | |
1447 | &setchecklist, &showchecklist); | |
1448 | set_cmd_completer (command, range_or_type_completer); | |
1449 | ||
1450 | command = | |
1451 | add_setshow_string_noescape_cmd ("range", class_support, | |
1452 | &range, _("\ | |
4d28ad1e AC |
1453 | Set range checking. (on/warn/off/auto)"), _("\ |
1454 | Show range checking. (on/warn/off/auto)"), NULL, | |
6cc0b256 TT |
1455 | set_range_command, |
1456 | show_range_command, | |
1457 | &setchecklist, &showchecklist); | |
1458 | set_cmd_completer (command, range_or_type_completer); | |
1459 | ||
1460 | command = | |
1461 | add_setshow_string_noescape_cmd ("case-sensitive", class_support, | |
1462 | &case_sensitive, _("\ | |
4d28ad1e AC |
1463 | Set case sensitivity in name search. (on/off/auto)"), _("\ |
1464 | Show case sensitivity in name search. (on/off/auto)"), _("\ | |
1465 | For Fortran the default is off; for other languages the default is on."), | |
6cc0b256 TT |
1466 | set_case_command, |
1467 | show_case_command, | |
1468 | &setlist, &showlist); | |
1469 | set_cmd_completer (command, case_completer); | |
63872f9d | 1470 | |
c5aa993b JM |
1471 | add_language (&unknown_language_defn); |
1472 | add_language (&local_language_defn); | |
1473 | add_language (&auto_language_defn); | |
1474 | ||
1b36a34b JK |
1475 | language = xstrdup ("auto"); |
1476 | type = xstrdup ("auto"); | |
1477 | range = xstrdup ("auto"); | |
1478 | case_sensitive = xstrdup ("auto"); | |
63872f9d JG |
1479 | |
1480 | /* Have the above take effect */ | |
1481 | set_language (language_auto); | |
c906108c | 1482 | } |