Commit | Line | Data |
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c906108c | 1 | /* Multiple source language support for GDB. |
1bac305b AC |
2 | |
3 | Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, | |
ce27fb25 | 4 | 2001, 2002, 2003, 2004, 2005 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 | |
13 | the Free Software Foundation; either version 2 of the License, or | |
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 JM |
21 | You should have received a copy of the GNU General Public License |
22 | along with this program; if not, write to the Free Software | |
23 | Foundation, Inc., 59 Temple Place - Suite 330, | |
24 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
25 | |
26 | /* This file contains functions that return things that are specific | |
27 | to languages. Each function should examine current_language if necessary, | |
28 | and return the appropriate result. */ | |
29 | ||
30 | /* FIXME: Most of these would be better organized as macros which | |
31 | return data out of a "language-specific" struct pointer that is set | |
32 | whenever the working language changes. That would be a lot faster. */ | |
33 | ||
34 | #include "defs.h" | |
35 | #include <ctype.h> | |
36 | #include "gdb_string.h" | |
37 | ||
38 | #include "symtab.h" | |
39 | #include "gdbtypes.h" | |
40 | #include "value.h" | |
41 | #include "gdbcmd.h" | |
c906108c SS |
42 | #include "expression.h" |
43 | #include "language.h" | |
44 | #include "target.h" | |
45 | #include "parser-defs.h" | |
8caabe69 | 46 | #include "jv-lang.h" |
9a3d7dfd | 47 | #include "demangle.h" |
c906108c | 48 | |
a14ed312 | 49 | extern void _initialize_language (void); |
392a587b | 50 | |
a14ed312 | 51 | static void show_language_command (char *, int); |
c906108c | 52 | |
a14ed312 | 53 | static void set_language_command (char *, int); |
c906108c | 54 | |
a14ed312 | 55 | static void show_type_command (char *, int); |
c906108c | 56 | |
a14ed312 | 57 | static void set_type_command (char *, int); |
c906108c | 58 | |
a14ed312 | 59 | static void show_range_command (char *, int); |
c906108c | 60 | |
a14ed312 | 61 | static void set_range_command (char *, int); |
c906108c | 62 | |
63872f9d JG |
63 | static void show_case_command (char *, int); |
64 | ||
65 | static void set_case_command (char *, int); | |
66 | ||
67 | static void set_case_str (void); | |
68 | ||
a14ed312 | 69 | static void set_range_str (void); |
c906108c | 70 | |
a14ed312 | 71 | static void set_type_str (void); |
c906108c | 72 | |
a14ed312 | 73 | static void set_lang_str (void); |
c906108c | 74 | |
a14ed312 | 75 | static void unk_lang_error (char *); |
c906108c | 76 | |
a14ed312 | 77 | static int unk_lang_parser (void); |
c906108c | 78 | |
a14ed312 | 79 | static void show_check (char *, int); |
c906108c | 80 | |
a14ed312 | 81 | static void set_check (char *, int); |
c906108c | 82 | |
63872f9d | 83 | static void set_type_range_case (void); |
c906108c | 84 | |
d9fcf2fb | 85 | static void unk_lang_emit_char (int c, struct ui_file *stream, int quoter); |
c906108c | 86 | |
d9fcf2fb | 87 | static void unk_lang_printchar (int c, struct ui_file *stream); |
c906108c | 88 | |
a14ed312 | 89 | static struct type *unk_lang_create_fundamental_type (struct objfile *, int); |
c906108c | 90 | |
d9fcf2fb JM |
91 | static void unk_lang_print_type (struct type *, char *, struct ui_file *, |
92 | int, int); | |
c906108c | 93 | |
3d6d86c6 | 94 | static int unk_lang_value_print (struct value *, struct ui_file *, int, enum val_prettyprint); |
c906108c | 95 | |
f636b87d AF |
96 | static CORE_ADDR unk_lang_trampoline (CORE_ADDR pc); |
97 | ||
c906108c SS |
98 | /* Forward declaration */ |
99 | extern const struct language_defn unknown_language_defn; | |
c5aa993b | 100 | |
c906108c | 101 | /* The current (default at startup) state of type and range checking. |
c5aa993b JM |
102 | (If the modes are set to "auto", though, these are changed based |
103 | on the default language at startup, and then again based on the | |
104 | language of the first source file. */ | |
c906108c SS |
105 | |
106 | enum range_mode range_mode = range_mode_auto; | |
107 | enum range_check range_check = range_check_off; | |
108 | enum type_mode type_mode = type_mode_auto; | |
109 | enum type_check type_check = type_check_off; | |
63872f9d JG |
110 | enum case_mode case_mode = case_mode_auto; |
111 | enum case_sensitivity case_sensitivity = case_sensitive_on; | |
c906108c SS |
112 | |
113 | /* The current language and language_mode (see language.h) */ | |
114 | ||
115 | const struct language_defn *current_language = &unknown_language_defn; | |
116 | enum language_mode language_mode = language_mode_auto; | |
117 | ||
118 | /* The language that the user expects to be typing in (the language | |
119 | of main(), or the last language we notified them about, or C). */ | |
120 | ||
121 | const struct language_defn *expected_language; | |
122 | ||
123 | /* The list of supported languages. The list itself is malloc'd. */ | |
124 | ||
125 | static const struct language_defn **languages; | |
126 | static unsigned languages_size; | |
127 | static unsigned languages_allocsize; | |
128 | #define DEFAULT_ALLOCSIZE 4 | |
129 | ||
130 | /* The "set language/type/range" commands all put stuff in these | |
131 | buffers. This is to make them work as set/show commands. The | |
132 | user's string is copied here, then the set_* commands look at | |
133 | them and update them to something that looks nice when it is | |
134 | printed out. */ | |
135 | ||
136 | static char *language; | |
137 | static char *type; | |
138 | static char *range; | |
63872f9d | 139 | static char *case_sensitive; |
c906108c SS |
140 | |
141 | /* Warning issued when current_language and the language of the current | |
142 | frame do not match. */ | |
143 | char lang_frame_mismatch_warn[] = | |
c5aa993b | 144 | "Warning: the current language does not match this frame."; |
c906108c SS |
145 | \f |
146 | /* This page contains the functions corresponding to GDB commands | |
147 | and their helpers. */ | |
148 | ||
149 | /* Show command. Display a warning if the language set | |
150 | does not match the frame. */ | |
151 | static void | |
fba45db2 | 152 | show_language_command (char *ignore, int from_tty) |
c906108c | 153 | { |
c5aa993b | 154 | enum language flang; /* The language of the current frame */ |
c906108c | 155 | |
c5aa993b JM |
156 | flang = get_frame_language (); |
157 | if (flang != language_unknown && | |
158 | language_mode == language_mode_manual && | |
159 | current_language->la_language != flang) | |
160 | printf_filtered ("%s\n", lang_frame_mismatch_warn); | |
c906108c SS |
161 | } |
162 | ||
163 | /* Set command. Change the current working language. */ | |
164 | static void | |
fba45db2 | 165 | set_language_command (char *ignore, int from_tty) |
c906108c SS |
166 | { |
167 | int i; | |
168 | enum language flang; | |
169 | char *err_lang; | |
170 | ||
171 | if (!language || !language[0]) | |
172 | { | |
c5aa993b | 173 | printf_unfiltered ("The currently understood settings are:\n\n"); |
c906108c SS |
174 | printf_unfiltered ("local or auto Automatic setting based on source file\n"); |
175 | ||
176 | for (i = 0; i < languages_size; ++i) | |
177 | { | |
178 | /* Already dealt with these above. */ | |
179 | if (languages[i]->la_language == language_unknown | |
180 | || languages[i]->la_language == language_auto) | |
181 | continue; | |
182 | ||
183 | /* FIXME for now assume that the human-readable name is just | |
184 | a capitalization of the internal name. */ | |
185 | printf_unfiltered ("%-16s Use the %c%s language\n", | |
186 | languages[i]->la_name, | |
c5aa993b JM |
187 | /* Capitalize first letter of language |
188 | name. */ | |
c906108c SS |
189 | toupper (languages[i]->la_name[0]), |
190 | languages[i]->la_name + 1); | |
191 | } | |
192 | /* Restore the silly string. */ | |
c5aa993b | 193 | set_language (current_language->la_language); |
c906108c SS |
194 | return; |
195 | } | |
196 | ||
197 | /* Search the list of languages for a match. */ | |
c5aa993b JM |
198 | for (i = 0; i < languages_size; i++) |
199 | { | |
6314a349 | 200 | if (strcmp (languages[i]->la_name, language) == 0) |
c5aa993b JM |
201 | { |
202 | /* Found it! Go into manual mode, and use this language. */ | |
203 | if (languages[i]->la_language == language_auto) | |
204 | { | |
205 | /* Enter auto mode. Set to the current frame's language, if known. */ | |
206 | language_mode = language_mode_auto; | |
207 | flang = get_frame_language (); | |
208 | if (flang != language_unknown) | |
209 | set_language (flang); | |
210 | expected_language = current_language; | |
211 | return; | |
212 | } | |
213 | else | |
214 | { | |
215 | /* Enter manual mode. Set the specified language. */ | |
216 | language_mode = language_mode_manual; | |
217 | current_language = languages[i]; | |
63872f9d | 218 | set_type_range_case (); |
c5aa993b JM |
219 | set_lang_str (); |
220 | expected_language = current_language; | |
221 | return; | |
222 | } | |
223 | } | |
c906108c | 224 | } |
c906108c SS |
225 | |
226 | /* Reset the language (esp. the global string "language") to the | |
227 | correct values. */ | |
c5aa993b | 228 | err_lang = savestring (language, strlen (language)); |
b8c9b27d | 229 | make_cleanup (xfree, err_lang); /* Free it after error */ |
c5aa993b | 230 | set_language (current_language->la_language); |
8a3fe4f8 | 231 | error (_("Unknown language `%s'."), err_lang); |
c906108c SS |
232 | } |
233 | ||
234 | /* Show command. Display a warning if the type setting does | |
235 | not match the current language. */ | |
236 | static void | |
fba45db2 | 237 | show_type_command (char *ignore, int from_tty) |
c906108c | 238 | { |
c5aa993b JM |
239 | if (type_check != current_language->la_type_check) |
240 | printf_unfiltered ( | |
241 | "Warning: the current type check setting does not match the language.\n"); | |
c906108c SS |
242 | } |
243 | ||
244 | /* Set command. Change the setting for type checking. */ | |
245 | static void | |
fba45db2 | 246 | set_type_command (char *ignore, int from_tty) |
c906108c | 247 | { |
6314a349 | 248 | if (strcmp (type, "on") == 0) |
c5aa993b | 249 | { |
c906108c SS |
250 | type_check = type_check_on; |
251 | type_mode = type_mode_manual; | |
c5aa993b | 252 | } |
6314a349 | 253 | else if (strcmp (type, "warn") == 0) |
c5aa993b | 254 | { |
c906108c SS |
255 | type_check = type_check_warn; |
256 | type_mode = type_mode_manual; | |
c5aa993b | 257 | } |
6314a349 | 258 | else if (strcmp (type, "off") == 0) |
c5aa993b | 259 | { |
c906108c SS |
260 | type_check = type_check_off; |
261 | type_mode = type_mode_manual; | |
c5aa993b | 262 | } |
6314a349 | 263 | else if (strcmp (type, "auto") == 0) |
c5aa993b | 264 | { |
c906108c | 265 | type_mode = type_mode_auto; |
63872f9d | 266 | set_type_range_case (); |
c906108c | 267 | /* Avoid hitting the set_type_str call below. We |
63872f9d | 268 | did it in set_type_range_case. */ |
c906108c | 269 | return; |
c5aa993b | 270 | } |
c4093a6a JM |
271 | else |
272 | { | |
8a3fe4f8 | 273 | warning (_("Unrecognized type check setting: \"%s\""), type); |
c4093a6a | 274 | } |
c5aa993b JM |
275 | set_type_str (); |
276 | show_type_command ((char *) NULL, from_tty); | |
c906108c SS |
277 | } |
278 | ||
279 | /* Show command. Display a warning if the range setting does | |
280 | not match the current language. */ | |
281 | static void | |
fba45db2 | 282 | show_range_command (char *ignore, int from_tty) |
c906108c SS |
283 | { |
284 | ||
c5aa993b JM |
285 | if (range_check != current_language->la_range_check) |
286 | printf_unfiltered ( | |
287 | "Warning: the current range check setting does not match the language.\n"); | |
c906108c SS |
288 | } |
289 | ||
290 | /* Set command. Change the setting for range checking. */ | |
291 | static void | |
fba45db2 | 292 | set_range_command (char *ignore, int from_tty) |
c906108c | 293 | { |
6314a349 | 294 | if (strcmp (range, "on") == 0) |
c5aa993b | 295 | { |
c906108c SS |
296 | range_check = range_check_on; |
297 | range_mode = range_mode_manual; | |
c5aa993b | 298 | } |
6314a349 | 299 | else if (strcmp (range, "warn") == 0) |
c5aa993b | 300 | { |
c906108c SS |
301 | range_check = range_check_warn; |
302 | range_mode = range_mode_manual; | |
c5aa993b | 303 | } |
6314a349 | 304 | else if (strcmp (range, "off") == 0) |
c5aa993b | 305 | { |
c906108c SS |
306 | range_check = range_check_off; |
307 | range_mode = range_mode_manual; | |
c5aa993b | 308 | } |
6314a349 | 309 | else if (strcmp (range, "auto") == 0) |
c5aa993b | 310 | { |
c906108c | 311 | range_mode = range_mode_auto; |
63872f9d | 312 | set_type_range_case (); |
c906108c | 313 | /* Avoid hitting the set_range_str call below. We |
63872f9d | 314 | did it in set_type_range_case. */ |
c906108c | 315 | return; |
c5aa993b | 316 | } |
c4093a6a JM |
317 | else |
318 | { | |
8a3fe4f8 | 319 | warning (_("Unrecognized range check setting: \"%s\""), range); |
c4093a6a | 320 | } |
c5aa993b JM |
321 | set_range_str (); |
322 | show_range_command ((char *) 0, from_tty); | |
c906108c SS |
323 | } |
324 | ||
63872f9d JG |
325 | /* Show command. Display a warning if the case sensitivity setting does |
326 | not match the current language. */ | |
327 | static void | |
ad525611 | 328 | show_case_command (char *ignore, int from_tty) |
63872f9d JG |
329 | { |
330 | if (case_sensitivity != current_language->la_case_sensitivity) | |
331 | printf_unfiltered( | |
332 | "Warning: the current case sensitivity setting does not match the language.\n"); | |
333 | } | |
334 | ||
335 | /* Set command. Change the setting for case sensitivity. */ | |
336 | static void | |
ad525611 | 337 | set_case_command (char *ignore, int from_tty) |
63872f9d | 338 | { |
cb137aa5 | 339 | if (DEPRECATED_STREQ (case_sensitive, "on")) |
63872f9d JG |
340 | { |
341 | case_sensitivity = case_sensitive_on; | |
342 | case_mode = case_mode_manual; | |
343 | } | |
cb137aa5 | 344 | else if (DEPRECATED_STREQ (case_sensitive, "off")) |
63872f9d JG |
345 | { |
346 | case_sensitivity = case_sensitive_off; | |
347 | case_mode = case_mode_manual; | |
348 | } | |
cb137aa5 | 349 | else if (DEPRECATED_STREQ (case_sensitive, "auto")) |
63872f9d JG |
350 | { |
351 | case_mode = case_mode_auto; | |
352 | set_type_range_case (); | |
353 | /* Avoid hitting the set_case_str call below. We | |
354 | did it in set_type_range_case. */ | |
355 | return; | |
356 | } | |
357 | else | |
358 | { | |
8a3fe4f8 | 359 | warning (_("Unrecognized case-sensitive setting: \"%s\""), case_sensitive); |
63872f9d JG |
360 | } |
361 | set_case_str(); | |
362 | show_case_command ((char *) NULL, from_tty); | |
363 | } | |
364 | ||
365 | /* Set the status of range and type checking and case sensitivity based on | |
c906108c SS |
366 | the current modes and the current language. |
367 | If SHOW is non-zero, then print out the current language, | |
368 | type and range checking status. */ | |
369 | static void | |
63872f9d | 370 | set_type_range_case (void) |
c906108c SS |
371 | { |
372 | ||
373 | if (range_mode == range_mode_auto) | |
374 | range_check = current_language->la_range_check; | |
375 | ||
376 | if (type_mode == type_mode_auto) | |
377 | type_check = current_language->la_type_check; | |
378 | ||
63872f9d JG |
379 | if (case_mode == case_mode_auto) |
380 | case_sensitivity = current_language->la_case_sensitivity; | |
381 | ||
c5aa993b JM |
382 | set_type_str (); |
383 | set_range_str (); | |
63872f9d | 384 | set_case_str (); |
c906108c SS |
385 | } |
386 | ||
387 | /* Set current language to (enum language) LANG. Returns previous language. */ | |
388 | ||
389 | enum language | |
fba45db2 | 390 | set_language (enum language lang) |
c906108c SS |
391 | { |
392 | int i; | |
393 | enum language prev_language; | |
394 | ||
395 | prev_language = current_language->la_language; | |
396 | ||
c5aa993b JM |
397 | for (i = 0; i < languages_size; i++) |
398 | { | |
399 | if (languages[i]->la_language == lang) | |
400 | { | |
401 | current_language = languages[i]; | |
63872f9d | 402 | set_type_range_case (); |
c5aa993b JM |
403 | set_lang_str (); |
404 | break; | |
405 | } | |
c906108c | 406 | } |
c906108c SS |
407 | |
408 | return prev_language; | |
409 | } | |
410 | \f | |
411 | /* This page contains functions that update the global vars | |
412 | language, type and range. */ | |
413 | static void | |
fba45db2 | 414 | set_lang_str (void) |
c906108c | 415 | { |
c5aa993b | 416 | char *prefix = ""; |
c906108c | 417 | |
ccdaf797 | 418 | if (language) |
b8c9b27d | 419 | xfree (language); |
c5aa993b JM |
420 | if (language_mode == language_mode_auto) |
421 | prefix = "auto; currently "; | |
c906108c | 422 | |
c5aa993b | 423 | language = concat (prefix, current_language->la_name, NULL); |
c906108c SS |
424 | } |
425 | ||
426 | static void | |
fba45db2 | 427 | set_type_str (void) |
c906108c | 428 | { |
c4093a6a | 429 | char *tmp = NULL, *prefix = ""; |
c906108c | 430 | |
ccdaf797 | 431 | if (type) |
b8c9b27d | 432 | xfree (type); |
c5aa993b JM |
433 | if (type_mode == type_mode_auto) |
434 | prefix = "auto; currently "; | |
c906108c | 435 | |
c5aa993b JM |
436 | switch (type_check) |
437 | { | |
438 | case type_check_on: | |
c906108c SS |
439 | tmp = "on"; |
440 | break; | |
c5aa993b | 441 | case type_check_off: |
c906108c SS |
442 | tmp = "off"; |
443 | break; | |
c5aa993b | 444 | case type_check_warn: |
c906108c SS |
445 | tmp = "warn"; |
446 | break; | |
c5aa993b | 447 | default: |
8a3fe4f8 | 448 | error (_("Unrecognized type check setting.")); |
c5aa993b | 449 | } |
c906108c | 450 | |
c5aa993b | 451 | type = concat (prefix, tmp, NULL); |
c906108c SS |
452 | } |
453 | ||
454 | static void | |
fba45db2 | 455 | set_range_str (void) |
c906108c | 456 | { |
c5aa993b | 457 | char *tmp, *pref = ""; |
c906108c | 458 | |
c5aa993b JM |
459 | if (range_mode == range_mode_auto) |
460 | pref = "auto; currently "; | |
c906108c | 461 | |
c5aa993b JM |
462 | switch (range_check) |
463 | { | |
464 | case range_check_on: | |
c906108c SS |
465 | tmp = "on"; |
466 | break; | |
c5aa993b | 467 | case range_check_off: |
c906108c SS |
468 | tmp = "off"; |
469 | break; | |
c5aa993b | 470 | case range_check_warn: |
c906108c SS |
471 | tmp = "warn"; |
472 | break; | |
c5aa993b | 473 | default: |
8a3fe4f8 | 474 | error (_("Unrecognized range check setting.")); |
c5aa993b | 475 | } |
c906108c | 476 | |
ccdaf797 | 477 | if (range) |
b8c9b27d | 478 | xfree (range); |
c5aa993b | 479 | range = concat (pref, tmp, NULL); |
c906108c SS |
480 | } |
481 | ||
63872f9d | 482 | static void |
5ae5f592 | 483 | set_case_str (void) |
63872f9d JG |
484 | { |
485 | char *tmp = NULL, *prefix = ""; | |
486 | ||
487 | if (case_mode==case_mode_auto) | |
488 | prefix = "auto; currently "; | |
489 | ||
490 | switch (case_sensitivity) | |
491 | { | |
492 | case case_sensitive_on: | |
493 | tmp = "on"; | |
494 | break; | |
495 | case case_sensitive_off: | |
496 | tmp = "off"; | |
497 | break; | |
498 | default: | |
8a3fe4f8 | 499 | error (_("Unrecognized case-sensitive setting.")); |
63872f9d JG |
500 | } |
501 | ||
b8c9b27d | 502 | xfree (case_sensitive); |
63872f9d JG |
503 | case_sensitive = concat (prefix, tmp, NULL); |
504 | } | |
c906108c SS |
505 | |
506 | /* Print out the current language settings: language, range and | |
507 | type checking. If QUIETLY, print only what has changed. */ | |
508 | ||
509 | void | |
fba45db2 | 510 | language_info (int quietly) |
c906108c SS |
511 | { |
512 | if (quietly && expected_language == current_language) | |
513 | return; | |
514 | ||
515 | expected_language = current_language; | |
c5aa993b JM |
516 | printf_unfiltered ("Current language: %s\n", language); |
517 | show_language_command ((char *) 0, 1); | |
c906108c SS |
518 | |
519 | if (!quietly) | |
520 | { | |
c5aa993b JM |
521 | printf_unfiltered ("Type checking: %s\n", type); |
522 | show_type_command ((char *) 0, 1); | |
523 | printf_unfiltered ("Range checking: %s\n", range); | |
524 | show_range_command ((char *) 0, 1); | |
63872f9d JG |
525 | printf_unfiltered ("Case sensitivity: %s\n", case_sensitive); |
526 | show_case_command ((char *) 0, 1); | |
c906108c SS |
527 | } |
528 | } | |
529 | \f | |
530 | /* Return the result of a binary operation. */ | |
531 | ||
c5aa993b | 532 | #if 0 /* Currently unused */ |
c906108c SS |
533 | |
534 | struct type * | |
3d6d86c6 | 535 | binop_result_type (struct value *v1, struct value *v2) |
c906108c | 536 | { |
c5aa993b JM |
537 | int size, uns; |
538 | struct type *t1 = check_typedef (VALUE_TYPE (v1)); | |
539 | struct type *t2 = check_typedef (VALUE_TYPE (v2)); | |
540 | ||
541 | int l1 = TYPE_LENGTH (t1); | |
542 | int l2 = TYPE_LENGTH (t2); | |
543 | ||
544 | switch (current_language->la_language) | |
545 | { | |
546 | case language_c: | |
547 | case language_cplus: | |
eb392fbf | 548 | case language_objc: |
c5aa993b JM |
549 | if (TYPE_CODE (t1) == TYPE_CODE_FLT) |
550 | return TYPE_CODE (t2) == TYPE_CODE_FLT && l2 > l1 ? | |
551 | VALUE_TYPE (v2) : VALUE_TYPE (v1); | |
552 | else if (TYPE_CODE (t2) == TYPE_CODE_FLT) | |
553 | return TYPE_CODE (t1) == TYPE_CODE_FLT && l1 > l2 ? | |
554 | VALUE_TYPE (v1) : VALUE_TYPE (v2); | |
555 | else if (TYPE_UNSIGNED (t1) && l1 > l2) | |
556 | return VALUE_TYPE (v1); | |
557 | else if (TYPE_UNSIGNED (t2) && l2 > l1) | |
558 | return VALUE_TYPE (v2); | |
559 | else /* Both are signed. Result is the longer type */ | |
560 | return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2); | |
c906108c | 561 | break; |
c5aa993b | 562 | case language_m2: |
c906108c | 563 | /* If we are doing type-checking, l1 should equal l2, so this is |
c5aa993b JM |
564 | not needed. */ |
565 | return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2); | |
c906108c | 566 | break; |
c5aa993b | 567 | } |
e1e9e218 | 568 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c5aa993b | 569 | return (struct type *) 0; /* For lint */ |
c906108c SS |
570 | } |
571 | ||
c5aa993b | 572 | #endif /* 0 */ |
c906108c SS |
573 | #if 0 |
574 | /* This page contains functions that are used in type/range checking. | |
575 | They all return zero if the type/range check fails. | |
576 | ||
577 | It is hoped that these will make extending GDB to parse different | |
578 | languages a little easier. These are primarily used in eval.c when | |
579 | evaluating expressions and making sure that their types are correct. | |
580 | Instead of having a mess of conjucted/disjuncted expressions in an "if", | |
581 | the ideas of type can be wrapped up in the following functions. | |
582 | ||
583 | Note that some of them are not currently dependent upon which language | |
584 | is currently being parsed. For example, floats are the same in | |
585 | C and Modula-2 (ie. the only floating point type has TYPE_CODE of | |
586 | TYPE_CODE_FLT), while booleans are different. */ | |
587 | ||
588 | /* Returns non-zero if its argument is a simple type. This is the same for | |
589 | both Modula-2 and for C. In the C case, TYPE_CODE_CHAR will never occur, | |
590 | and thus will never cause the failure of the test. */ | |
591 | int | |
fba45db2 | 592 | simple_type (struct type *type) |
c906108c SS |
593 | { |
594 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
595 | switch (TYPE_CODE (type)) |
596 | { | |
597 | case TYPE_CODE_INT: | |
598 | case TYPE_CODE_CHAR: | |
599 | case TYPE_CODE_ENUM: | |
600 | case TYPE_CODE_FLT: | |
601 | case TYPE_CODE_RANGE: | |
602 | case TYPE_CODE_BOOL: | |
603 | return 1; | |
c906108c | 604 | |
c5aa993b JM |
605 | default: |
606 | return 0; | |
607 | } | |
c906108c SS |
608 | } |
609 | ||
610 | /* Returns non-zero if its argument is of an ordered type. | |
611 | An ordered type is one in which the elements can be tested for the | |
612 | properties of "greater than", "less than", etc, or for which the | |
613 | operations "increment" or "decrement" make sense. */ | |
614 | int | |
fba45db2 | 615 | ordered_type (struct type *type) |
c906108c SS |
616 | { |
617 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
618 | switch (TYPE_CODE (type)) |
619 | { | |
620 | case TYPE_CODE_INT: | |
621 | case TYPE_CODE_CHAR: | |
622 | case TYPE_CODE_ENUM: | |
623 | case TYPE_CODE_FLT: | |
624 | case TYPE_CODE_RANGE: | |
625 | return 1; | |
c906108c | 626 | |
c5aa993b JM |
627 | default: |
628 | return 0; | |
629 | } | |
c906108c SS |
630 | } |
631 | ||
632 | /* Returns non-zero if the two types are the same */ | |
633 | int | |
fba45db2 | 634 | same_type (struct type *arg1, struct type *arg2) |
c906108c SS |
635 | { |
636 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
637 | if (structured_type (arg1) ? !structured_type (arg2) : structured_type (arg2)) |
638 | /* One is structured and one isn't */ | |
639 | return 0; | |
640 | else if (structured_type (arg1) && structured_type (arg2)) | |
641 | return arg1 == arg2; | |
642 | else if (numeric_type (arg1) && numeric_type (arg2)) | |
643 | return (TYPE_CODE (arg2) == TYPE_CODE (arg1)) && | |
644 | (TYPE_UNSIGNED (arg1) == TYPE_UNSIGNED (arg2)) | |
645 | ? 1 : 0; | |
646 | else | |
647 | return arg1 == arg2; | |
c906108c SS |
648 | } |
649 | ||
650 | /* Returns non-zero if the type is integral */ | |
651 | int | |
fba45db2 | 652 | integral_type (struct type *type) |
c906108c SS |
653 | { |
654 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
655 | switch (current_language->la_language) |
656 | { | |
657 | case language_c: | |
658 | case language_cplus: | |
eb392fbf | 659 | case language_objc: |
c5aa993b JM |
660 | return (TYPE_CODE (type) != TYPE_CODE_INT) && |
661 | (TYPE_CODE (type) != TYPE_CODE_ENUM) ? 0 : 1; | |
662 | case language_m2: | |
750ba382 | 663 | case language_pascal: |
c5aa993b | 664 | return TYPE_CODE (type) != TYPE_CODE_INT ? 0 : 1; |
c5aa993b | 665 | default: |
8a3fe4f8 | 666 | error (_("Language not supported.")); |
c5aa993b | 667 | } |
c906108c SS |
668 | } |
669 | ||
670 | /* Returns non-zero if the value is numeric */ | |
671 | int | |
fba45db2 | 672 | numeric_type (struct type *type) |
c906108c SS |
673 | { |
674 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
675 | switch (TYPE_CODE (type)) |
676 | { | |
677 | case TYPE_CODE_INT: | |
678 | case TYPE_CODE_FLT: | |
679 | return 1; | |
c906108c | 680 | |
c5aa993b JM |
681 | default: |
682 | return 0; | |
683 | } | |
c906108c SS |
684 | } |
685 | ||
686 | /* Returns non-zero if the value is a character type */ | |
687 | int | |
fba45db2 | 688 | character_type (struct type *type) |
c906108c SS |
689 | { |
690 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
691 | switch (current_language->la_language) |
692 | { | |
c5aa993b | 693 | case language_m2: |
750ba382 | 694 | case language_pascal: |
c5aa993b JM |
695 | return TYPE_CODE (type) != TYPE_CODE_CHAR ? 0 : 1; |
696 | ||
697 | case language_c: | |
698 | case language_cplus: | |
eb392fbf | 699 | case language_objc: |
c5aa993b JM |
700 | return (TYPE_CODE (type) == TYPE_CODE_INT) && |
701 | TYPE_LENGTH (type) == sizeof (char) | |
702 | ? 1 : 0; | |
703 | default: | |
c906108c | 704 | return (0); |
c5aa993b | 705 | } |
c906108c SS |
706 | } |
707 | ||
708 | /* Returns non-zero if the value is a string type */ | |
709 | int | |
fba45db2 | 710 | string_type (struct type *type) |
c906108c SS |
711 | { |
712 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
713 | switch (current_language->la_language) |
714 | { | |
c5aa993b | 715 | case language_m2: |
750ba382 | 716 | case language_pascal: |
c5aa993b JM |
717 | return TYPE_CODE (type) != TYPE_CODE_STRING ? 0 : 1; |
718 | ||
719 | case language_c: | |
720 | case language_cplus: | |
eb392fbf | 721 | case language_objc: |
c906108c SS |
722 | /* C does not have distinct string type. */ |
723 | return (0); | |
c5aa993b | 724 | default: |
c906108c | 725 | return (0); |
c5aa993b | 726 | } |
c906108c SS |
727 | } |
728 | ||
729 | /* Returns non-zero if the value is a boolean type */ | |
730 | int | |
fba45db2 | 731 | boolean_type (struct type *type) |
c906108c SS |
732 | { |
733 | CHECK_TYPEDEF (type); | |
734 | if (TYPE_CODE (type) == TYPE_CODE_BOOL) | |
735 | return 1; | |
c5aa993b | 736 | switch (current_language->la_language) |
c906108c SS |
737 | { |
738 | case language_c: | |
739 | case language_cplus: | |
eb392fbf | 740 | case language_objc: |
db034ac5 | 741 | /* Might be more cleanly handled by having a |
1b831c93 | 742 | TYPE_CODE_INT_NOT_BOOL for (the deleted) CHILL and such |
db034ac5 | 743 | languages, or a TYPE_CODE_INT_OR_BOOL for C. */ |
c906108c SS |
744 | if (TYPE_CODE (type) == TYPE_CODE_INT) |
745 | return 1; | |
c5aa993b | 746 | default: |
c906108c | 747 | break; |
c5aa993b | 748 | } |
c906108c SS |
749 | return 0; |
750 | } | |
751 | ||
752 | /* Returns non-zero if the value is a floating-point type */ | |
753 | int | |
fba45db2 | 754 | float_type (struct type *type) |
c906108c SS |
755 | { |
756 | CHECK_TYPEDEF (type); | |
c5aa993b | 757 | return TYPE_CODE (type) == TYPE_CODE_FLT; |
c906108c SS |
758 | } |
759 | ||
760 | /* Returns non-zero if the value is a pointer type */ | |
761 | int | |
fba45db2 | 762 | pointer_type (struct type *type) |
c906108c | 763 | { |
c5aa993b JM |
764 | return TYPE_CODE (type) == TYPE_CODE_PTR || |
765 | TYPE_CODE (type) == TYPE_CODE_REF; | |
c906108c SS |
766 | } |
767 | ||
768 | /* Returns non-zero if the value is a structured type */ | |
769 | int | |
fba45db2 | 770 | structured_type (struct type *type) |
c906108c SS |
771 | { |
772 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
773 | switch (current_language->la_language) |
774 | { | |
775 | case language_c: | |
776 | case language_cplus: | |
eb392fbf | 777 | case language_objc: |
c5aa993b JM |
778 | return (TYPE_CODE (type) == TYPE_CODE_STRUCT) || |
779 | (TYPE_CODE (type) == TYPE_CODE_UNION) || | |
780 | (TYPE_CODE (type) == TYPE_CODE_ARRAY); | |
750ba382 PM |
781 | case language_pascal: |
782 | return (TYPE_CODE(type) == TYPE_CODE_STRUCT) || | |
783 | (TYPE_CODE(type) == TYPE_CODE_UNION) || | |
784 | (TYPE_CODE(type) == TYPE_CODE_SET) || | |
785 | (TYPE_CODE(type) == TYPE_CODE_ARRAY); | |
c5aa993b JM |
786 | case language_m2: |
787 | return (TYPE_CODE (type) == TYPE_CODE_STRUCT) || | |
788 | (TYPE_CODE (type) == TYPE_CODE_SET) || | |
789 | (TYPE_CODE (type) == TYPE_CODE_ARRAY); | |
c5aa993b | 790 | default: |
c906108c | 791 | return (0); |
c5aa993b | 792 | } |
c906108c SS |
793 | } |
794 | #endif | |
795 | \f | |
796 | struct type * | |
fba45db2 | 797 | lang_bool_type (void) |
c906108c SS |
798 | { |
799 | struct symbol *sym; | |
800 | struct type *type; | |
c5aa993b | 801 | switch (current_language->la_language) |
c906108c | 802 | { |
c906108c | 803 | case language_fortran: |
176620f1 | 804 | sym = lookup_symbol ("logical", NULL, VAR_DOMAIN, NULL, NULL); |
c906108c SS |
805 | if (sym) |
806 | { | |
807 | type = SYMBOL_TYPE (sym); | |
808 | if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) | |
809 | return type; | |
810 | } | |
811 | return builtin_type_f_logical_s2; | |
812 | case language_cplus: | |
750ba382 PM |
813 | case language_pascal: |
814 | if (current_language->la_language==language_cplus) | |
176620f1 | 815 | {sym = lookup_symbol ("bool", NULL, VAR_DOMAIN, NULL, NULL);} |
750ba382 | 816 | else |
176620f1 | 817 | {sym = lookup_symbol ("boolean", NULL, VAR_DOMAIN, NULL, NULL);} |
c906108c SS |
818 | if (sym) |
819 | { | |
820 | type = SYMBOL_TYPE (sym); | |
821 | if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) | |
822 | return type; | |
823 | } | |
824 | return builtin_type_bool; | |
8caabe69 | 825 | case language_java: |
176620f1 | 826 | sym = lookup_symbol ("boolean", NULL, VAR_DOMAIN, NULL, NULL); |
8caabe69 AG |
827 | if (sym) |
828 | { | |
829 | type = SYMBOL_TYPE (sym); | |
830 | if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) | |
831 | return type; | |
832 | } | |
833 | return java_boolean_type; | |
c906108c SS |
834 | default: |
835 | return builtin_type_int; | |
836 | } | |
837 | } | |
838 | \f | |
839 | /* This page contains functions that return info about | |
840 | (struct value) values used in GDB. */ | |
841 | ||
842 | /* Returns non-zero if the value VAL represents a true value. */ | |
843 | int | |
3d6d86c6 | 844 | value_true (struct value *val) |
c906108c SS |
845 | { |
846 | /* It is possible that we should have some sort of error if a non-boolean | |
847 | value is used in this context. Possibly dependent on some kind of | |
848 | "boolean-checking" option like range checking. But it should probably | |
849 | not depend on the language except insofar as is necessary to identify | |
850 | a "boolean" value (i.e. in C using a float, pointer, etc., as a boolean | |
851 | should be an error, probably). */ | |
852 | return !value_logical_not (val); | |
853 | } | |
854 | \f | |
c906108c SS |
855 | /* This page contains functions for the printing out of |
856 | error messages that occur during type- and range- | |
857 | checking. */ | |
858 | ||
ddfe3c15 AC |
859 | /* These are called when a language fails a type- or range-check. The |
860 | first argument should be a printf()-style format string, and the | |
861 | rest of the arguments should be its arguments. If | |
862 | [type|range]_check is [type|range]_check_on, an error is printed; | |
863 | if [type|range]_check_warn, a warning; otherwise just the | |
864 | message. */ | |
c906108c SS |
865 | |
866 | void | |
ddfe3c15 | 867 | type_error (const char *string,...) |
c906108c | 868 | { |
c5aa993b | 869 | va_list args; |
c5aa993b | 870 | va_start (args, string); |
c906108c | 871 | |
ddfe3c15 AC |
872 | switch (type_check) |
873 | { | |
874 | case type_check_warn: | |
875 | vwarning (string, args); | |
876 | break; | |
877 | case type_check_on: | |
878 | verror (string, args); | |
879 | break; | |
880 | case type_check_off: | |
881 | /* FIXME: cagney/2002-01-30: Should this function print anything | |
882 | when type error is off? */ | |
883 | vfprintf_filtered (gdb_stderr, string, args); | |
884 | fprintf_filtered (gdb_stderr, "\n"); | |
885 | break; | |
886 | default: | |
887 | internal_error (__FILE__, __LINE__, "bad switch"); | |
888 | } | |
c5aa993b | 889 | va_end (args); |
c906108c SS |
890 | } |
891 | ||
892 | void | |
ddfe3c15 | 893 | range_error (const char *string,...) |
c906108c | 894 | { |
c5aa993b | 895 | va_list args; |
c5aa993b | 896 | va_start (args, string); |
c906108c | 897 | |
ddfe3c15 AC |
898 | switch (range_check) |
899 | { | |
900 | case range_check_warn: | |
901 | vwarning (string, args); | |
902 | break; | |
903 | case range_check_on: | |
904 | verror (string, args); | |
905 | break; | |
906 | case range_check_off: | |
907 | /* FIXME: cagney/2002-01-30: Should this function print anything | |
908 | when range error is off? */ | |
909 | vfprintf_filtered (gdb_stderr, string, args); | |
910 | fprintf_filtered (gdb_stderr, "\n"); | |
911 | break; | |
912 | default: | |
913 | internal_error (__FILE__, __LINE__, "bad switch"); | |
914 | } | |
c5aa993b | 915 | va_end (args); |
c906108c | 916 | } |
c906108c | 917 | \f |
c5aa993b | 918 | |
c906108c SS |
919 | /* This page contains miscellaneous functions */ |
920 | ||
921 | /* Return the language enum for a given language string. */ | |
922 | ||
923 | enum language | |
fba45db2 | 924 | language_enum (char *str) |
c906108c SS |
925 | { |
926 | int i; | |
927 | ||
c5aa993b | 928 | for (i = 0; i < languages_size; i++) |
cb137aa5 | 929 | if (DEPRECATED_STREQ (languages[i]->la_name, str)) |
c906108c SS |
930 | return languages[i]->la_language; |
931 | ||
932 | return language_unknown; | |
933 | } | |
934 | ||
935 | /* Return the language struct for a given language enum. */ | |
936 | ||
937 | const struct language_defn * | |
fba45db2 | 938 | language_def (enum language lang) |
c906108c SS |
939 | { |
940 | int i; | |
941 | ||
c5aa993b JM |
942 | for (i = 0; i < languages_size; i++) |
943 | { | |
944 | if (languages[i]->la_language == lang) | |
945 | { | |
946 | return languages[i]; | |
947 | } | |
c906108c | 948 | } |
c906108c SS |
949 | return NULL; |
950 | } | |
951 | ||
952 | /* Return the language as a string */ | |
953 | char * | |
fba45db2 | 954 | language_str (enum language lang) |
c906108c SS |
955 | { |
956 | int i; | |
957 | ||
c5aa993b JM |
958 | for (i = 0; i < languages_size; i++) |
959 | { | |
960 | if (languages[i]->la_language == lang) | |
961 | { | |
962 | return languages[i]->la_name; | |
963 | } | |
c906108c | 964 | } |
c906108c SS |
965 | return "Unknown"; |
966 | } | |
967 | ||
968 | static void | |
fba45db2 | 969 | set_check (char *ignore, int from_tty) |
c906108c | 970 | { |
c5aa993b JM |
971 | printf_unfiltered ( |
972 | "\"set check\" must be followed by the name of a check subcommand.\n"); | |
973 | help_list (setchecklist, "set check ", -1, gdb_stdout); | |
c906108c SS |
974 | } |
975 | ||
976 | static void | |
fba45db2 | 977 | show_check (char *ignore, int from_tty) |
c906108c | 978 | { |
c5aa993b | 979 | cmd_show_list (showchecklist, from_tty, ""); |
c906108c SS |
980 | } |
981 | \f | |
982 | /* Add a language to the set of known languages. */ | |
983 | ||
984 | void | |
fba45db2 | 985 | add_language (const struct language_defn *lang) |
c906108c SS |
986 | { |
987 | if (lang->la_magic != LANG_MAGIC) | |
988 | { | |
c5aa993b JM |
989 | fprintf_unfiltered (gdb_stderr, "Magic number of %s language struct wrong\n", |
990 | lang->la_name); | |
e1e9e218 | 991 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
992 | } |
993 | ||
994 | if (!languages) | |
995 | { | |
996 | languages_allocsize = DEFAULT_ALLOCSIZE; | |
997 | languages = (const struct language_defn **) xmalloc | |
998 | (languages_allocsize * sizeof (*languages)); | |
999 | } | |
1000 | if (languages_size >= languages_allocsize) | |
1001 | { | |
1002 | languages_allocsize *= 2; | |
1003 | languages = (const struct language_defn **) xrealloc ((char *) languages, | |
c5aa993b | 1004 | languages_allocsize * sizeof (*languages)); |
c906108c SS |
1005 | } |
1006 | languages[languages_size++] = lang; | |
1007 | } | |
1008 | ||
f636b87d AF |
1009 | /* Iterate through all registered languages looking for and calling |
1010 | any non-NULL struct language_defn.skip_trampoline() functions. | |
1011 | Return the result from the first that returns non-zero, or 0 if all | |
1012 | `fail'. */ | |
1013 | CORE_ADDR | |
1014 | skip_language_trampoline (CORE_ADDR pc) | |
1015 | { | |
1016 | int i; | |
1017 | ||
1018 | for (i = 0; i < languages_size; i++) | |
1019 | { | |
1020 | if (languages[i]->skip_trampoline) | |
1021 | { | |
1022 | CORE_ADDR real_pc = (languages[i]->skip_trampoline) (pc); | |
1023 | if (real_pc) | |
1024 | return real_pc; | |
1025 | } | |
1026 | } | |
1027 | ||
1028 | return 0; | |
1029 | } | |
1030 | ||
9a3d7dfd AF |
1031 | /* Return demangled language symbol, or NULL. |
1032 | FIXME: Options are only useful for certain languages and ignored | |
1033 | by others, so it would be better to remove them here and have a | |
1034 | more flexible demangler for the languages that need it. | |
1035 | FIXME: Sometimes the demangler is invoked when we don't know the | |
1036 | language, so we can't use this everywhere. */ | |
1037 | char * | |
1038 | language_demangle (const struct language_defn *current_language, | |
1039 | const char *mangled, int options) | |
1040 | { | |
1041 | if (current_language != NULL && current_language->la_demangle) | |
1042 | return current_language->la_demangle (mangled, options); | |
1043 | return NULL; | |
1044 | } | |
1045 | ||
31c27f77 JJ |
1046 | /* Return class name from physname or NULL. */ |
1047 | char * | |
1048 | language_class_name_from_physname (const struct language_defn *current_language, | |
1049 | const char *physname) | |
1050 | { | |
1051 | if (current_language != NULL && current_language->la_class_name_from_physname) | |
1052 | return current_language->la_class_name_from_physname (physname); | |
1053 | return NULL; | |
1054 | } | |
1055 | ||
9f0a5303 JB |
1056 | /* Return the default string containing the list of characters |
1057 | delimiting words. This is a reasonable default value that | |
1058 | most languages should be able to use. */ | |
1059 | ||
1060 | char * | |
1061 | default_word_break_characters (void) | |
1062 | { | |
1063 | return " \t\n!@#$%^&*()+=|~`}{[]\"';:?/>.<,-"; | |
1064 | } | |
f636b87d | 1065 | |
c906108c SS |
1066 | /* Define the language that is no language. */ |
1067 | ||
1068 | static int | |
fba45db2 | 1069 | unk_lang_parser (void) |
c906108c SS |
1070 | { |
1071 | return 1; | |
1072 | } | |
1073 | ||
1074 | static void | |
fba45db2 | 1075 | unk_lang_error (char *msg) |
c906108c | 1076 | { |
8a3fe4f8 | 1077 | error (_("Attempted to parse an expression with unknown language")); |
c906108c SS |
1078 | } |
1079 | ||
1080 | static void | |
f86f5ca3 | 1081 | unk_lang_emit_char (int c, struct ui_file *stream, int quoter) |
c906108c | 1082 | { |
8a3fe4f8 | 1083 | error (_("internal error - unimplemented function unk_lang_emit_char called.")); |
c906108c SS |
1084 | } |
1085 | ||
1086 | static void | |
f86f5ca3 | 1087 | unk_lang_printchar (int c, struct ui_file *stream) |
c906108c | 1088 | { |
8a3fe4f8 | 1089 | error (_("internal error - unimplemented function unk_lang_printchar called.")); |
c906108c SS |
1090 | } |
1091 | ||
1092 | static void | |
ce27fb25 AC |
1093 | unk_lang_printstr (struct ui_file *stream, const bfd_byte *string, |
1094 | unsigned int length, int width, int force_ellipses) | |
c906108c | 1095 | { |
8a3fe4f8 | 1096 | error (_("internal error - unimplemented function unk_lang_printstr called.")); |
c906108c SS |
1097 | } |
1098 | ||
1099 | static struct type * | |
fba45db2 | 1100 | unk_lang_create_fundamental_type (struct objfile *objfile, int typeid) |
c906108c | 1101 | { |
8a3fe4f8 | 1102 | error (_("internal error - unimplemented function unk_lang_create_fundamental_type called.")); |
c906108c SS |
1103 | } |
1104 | ||
1105 | static void | |
fba45db2 KB |
1106 | unk_lang_print_type (struct type *type, char *varstring, struct ui_file *stream, |
1107 | int show, int level) | |
c906108c | 1108 | { |
8a3fe4f8 | 1109 | error (_("internal error - unimplemented function unk_lang_print_type called.")); |
c906108c SS |
1110 | } |
1111 | ||
1112 | static int | |
a2bd3dcd AC |
1113 | unk_lang_val_print (struct type *type, const bfd_byte *valaddr, |
1114 | int embedded_offset, CORE_ADDR address, | |
1115 | struct ui_file *stream, int format, | |
fba45db2 | 1116 | int deref_ref, int recurse, enum val_prettyprint pretty) |
c906108c | 1117 | { |
8a3fe4f8 | 1118 | error (_("internal error - unimplemented function unk_lang_val_print called.")); |
c906108c SS |
1119 | } |
1120 | ||
1121 | static int | |
3d6d86c6 | 1122 | unk_lang_value_print (struct value *val, struct ui_file *stream, int format, |
fba45db2 | 1123 | enum val_prettyprint pretty) |
c906108c | 1124 | { |
8a3fe4f8 | 1125 | error (_("internal error - unimplemented function unk_lang_value_print called.")); |
c906108c SS |
1126 | } |
1127 | ||
f636b87d AF |
1128 | static CORE_ADDR unk_lang_trampoline (CORE_ADDR pc) |
1129 | { | |
1130 | return 0; | |
1131 | } | |
1132 | ||
9a3d7dfd AF |
1133 | /* Unknown languages just use the cplus demangler. */ |
1134 | static char *unk_lang_demangle (const char *mangled, int options) | |
1135 | { | |
1136 | return cplus_demangle (mangled, options); | |
1137 | } | |
1138 | ||
31c27f77 JJ |
1139 | static char *unk_lang_class_name (const char *mangled) |
1140 | { | |
1141 | return NULL; | |
1142 | } | |
9a3d7dfd | 1143 | |
c5aa993b JM |
1144 | static const struct op_print unk_op_print_tab[] = |
1145 | { | |
1146 | {NULL, OP_NULL, PREC_NULL, 0} | |
c906108c SS |
1147 | }; |
1148 | ||
f290d38e AC |
1149 | static void |
1150 | unknown_language_arch_info (struct gdbarch *gdbarch, | |
1151 | struct language_arch_info *lai) | |
1152 | { | |
1153 | lai->string_char_type = builtin_type (gdbarch)->builtin_char; | |
5a44ea29 | 1154 | lai->primitive_type_vector = GDBARCH_OBSTACK_CALLOC (gdbarch, 1, |
f290d38e AC |
1155 | struct type *); |
1156 | } | |
1157 | ||
c5aa993b JM |
1158 | const struct language_defn unknown_language_defn = |
1159 | { | |
c906108c SS |
1160 | "unknown", |
1161 | language_unknown, | |
f290d38e | 1162 | NULL, |
c906108c SS |
1163 | range_check_off, |
1164 | type_check_off, | |
7ca2d3a3 | 1165 | array_row_major, |
63872f9d | 1166 | case_sensitive_on, |
5f9769d1 | 1167 | &exp_descriptor_standard, |
c906108c SS |
1168 | unk_lang_parser, |
1169 | unk_lang_error, | |
e85c3284 | 1170 | null_post_parser, |
c906108c SS |
1171 | unk_lang_printchar, /* Print character constant */ |
1172 | unk_lang_printstr, | |
1173 | unk_lang_emit_char, | |
1174 | unk_lang_create_fundamental_type, | |
1175 | unk_lang_print_type, /* Print a type using appropriate syntax */ | |
1176 | unk_lang_val_print, /* Print a value using appropriate syntax */ | |
1177 | unk_lang_value_print, /* Print a top-level value */ | |
f636b87d | 1178 | unk_lang_trampoline, /* Language specific skip_trampoline */ |
5f9a71c3 DC |
1179 | value_of_this, /* value_of_this */ |
1180 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ | |
b368761e | 1181 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 1182 | unk_lang_demangle, /* Language specific symbol demangler */ |
31c27f77 | 1183 | unk_lang_class_name, /* Language specific class_name_from_physname */ |
c906108c SS |
1184 | unk_op_print_tab, /* expression operators for printing */ |
1185 | 1, /* c-style arrays */ | |
1186 | 0, /* String lower bound */ | |
f290d38e | 1187 | NULL, |
6084f43a | 1188 | default_word_break_characters, |
f290d38e | 1189 | unknown_language_arch_info, /* la_language_arch_info. */ |
c906108c SS |
1190 | LANG_MAGIC |
1191 | }; | |
1192 | ||
1193 | /* These two structs define fake entries for the "local" and "auto" options. */ | |
c5aa993b JM |
1194 | const struct language_defn auto_language_defn = |
1195 | { | |
c906108c SS |
1196 | "auto", |
1197 | language_auto, | |
f290d38e | 1198 | NULL, |
c906108c SS |
1199 | range_check_off, |
1200 | type_check_off, | |
7ca2d3a3 | 1201 | array_row_major, |
63872f9d | 1202 | case_sensitive_on, |
5f9769d1 | 1203 | &exp_descriptor_standard, |
c906108c SS |
1204 | unk_lang_parser, |
1205 | unk_lang_error, | |
e85c3284 | 1206 | null_post_parser, |
c906108c SS |
1207 | unk_lang_printchar, /* Print character constant */ |
1208 | unk_lang_printstr, | |
1209 | unk_lang_emit_char, | |
1210 | unk_lang_create_fundamental_type, | |
1211 | unk_lang_print_type, /* Print a type using appropriate syntax */ | |
1212 | unk_lang_val_print, /* Print a value using appropriate syntax */ | |
1213 | unk_lang_value_print, /* Print a top-level value */ | |
f636b87d | 1214 | unk_lang_trampoline, /* Language specific skip_trampoline */ |
5f9a71c3 DC |
1215 | value_of_this, /* value_of_this */ |
1216 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ | |
b368761e | 1217 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 1218 | unk_lang_demangle, /* Language specific symbol demangler */ |
31c27f77 | 1219 | unk_lang_class_name, /* Language specific class_name_from_physname */ |
c906108c SS |
1220 | unk_op_print_tab, /* expression operators for printing */ |
1221 | 1, /* c-style arrays */ | |
1222 | 0, /* String lower bound */ | |
f290d38e | 1223 | NULL, |
6084f43a | 1224 | default_word_break_characters, |
f290d38e | 1225 | unknown_language_arch_info, /* la_language_arch_info. */ |
c906108c SS |
1226 | LANG_MAGIC |
1227 | }; | |
1228 | ||
c5aa993b JM |
1229 | const struct language_defn local_language_defn = |
1230 | { | |
c906108c SS |
1231 | "local", |
1232 | language_auto, | |
f290d38e | 1233 | NULL, |
c906108c SS |
1234 | range_check_off, |
1235 | type_check_off, | |
63872f9d | 1236 | case_sensitive_on, |
7ca2d3a3 | 1237 | array_row_major, |
5f9769d1 | 1238 | &exp_descriptor_standard, |
c906108c SS |
1239 | unk_lang_parser, |
1240 | unk_lang_error, | |
e85c3284 | 1241 | null_post_parser, |
c906108c SS |
1242 | unk_lang_printchar, /* Print character constant */ |
1243 | unk_lang_printstr, | |
1244 | unk_lang_emit_char, | |
1245 | unk_lang_create_fundamental_type, | |
1246 | unk_lang_print_type, /* Print a type using appropriate syntax */ | |
1247 | unk_lang_val_print, /* Print a value using appropriate syntax */ | |
1248 | unk_lang_value_print, /* Print a top-level value */ | |
f636b87d | 1249 | unk_lang_trampoline, /* Language specific skip_trampoline */ |
5f9a71c3 DC |
1250 | value_of_this, /* value_of_this */ |
1251 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ | |
b368761e | 1252 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 1253 | unk_lang_demangle, /* Language specific symbol demangler */ |
31c27f77 | 1254 | unk_lang_class_name, /* Language specific class_name_from_physname */ |
c906108c SS |
1255 | unk_op_print_tab, /* expression operators for printing */ |
1256 | 1, /* c-style arrays */ | |
1257 | 0, /* String lower bound */ | |
f290d38e | 1258 | NULL, |
6084f43a | 1259 | default_word_break_characters, |
f290d38e | 1260 | unknown_language_arch_info, /* la_language_arch_info. */ |
c906108c SS |
1261 | LANG_MAGIC |
1262 | }; | |
1263 | \f | |
f290d38e AC |
1264 | /* Per-architecture language information. */ |
1265 | ||
1266 | static struct gdbarch_data *language_gdbarch_data; | |
1267 | ||
1268 | struct language_gdbarch | |
1269 | { | |
1270 | /* A vector of per-language per-architecture info. Indexed by "enum | |
1271 | language". */ | |
1272 | struct language_arch_info arch_info[nr_languages]; | |
1273 | }; | |
1274 | ||
1275 | static void * | |
1276 | language_gdbarch_post_init (struct gdbarch *gdbarch) | |
1277 | { | |
1278 | struct language_gdbarch *l; | |
1279 | int i; | |
1280 | ||
1281 | l = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct language_gdbarch); | |
1285b746 | 1282 | for (i = 0; i < languages_size; i++) |
f290d38e AC |
1283 | { |
1284 | if (languages[i] != NULL | |
1285 | && languages[i]->la_language_arch_info != NULL) | |
1286 | languages[i]->la_language_arch_info | |
1287 | (gdbarch, l->arch_info + languages[i]->la_language); | |
1288 | } | |
1289 | return l; | |
1290 | } | |
1291 | ||
1292 | struct type * | |
1293 | language_string_char_type (const struct language_defn *la, | |
1294 | struct gdbarch *gdbarch) | |
1295 | { | |
1296 | struct language_gdbarch *ld = gdbarch_data (gdbarch, | |
1297 | language_gdbarch_data); | |
1298 | if (ld->arch_info[la->la_language].string_char_type != NULL) | |
1299 | return ld->arch_info[la->la_language].string_char_type; | |
1300 | else | |
1301 | return (*la->string_char_type); | |
1302 | } | |
1303 | ||
1304 | struct type * | |
5a44ea29 | 1305 | language_lookup_primitive_type_by_name (const struct language_defn *la, |
f290d38e AC |
1306 | struct gdbarch *gdbarch, |
1307 | const char *name) | |
1308 | { | |
1309 | struct language_gdbarch *ld = gdbarch_data (gdbarch, | |
1310 | language_gdbarch_data); | |
5a44ea29 | 1311 | if (ld->arch_info[la->la_language].primitive_type_vector != NULL) |
f290d38e AC |
1312 | { |
1313 | struct type *const *p; | |
5a44ea29 | 1314 | for (p = ld->arch_info[la->la_language].primitive_type_vector; |
f290d38e AC |
1315 | (*p) != NULL; |
1316 | p++) | |
1317 | { | |
1318 | if (strcmp (TYPE_NAME (*p), name) == 0) | |
1319 | return (*p); | |
1320 | } | |
1321 | } | |
1322 | else | |
1323 | { | |
1324 | struct type **const *p; | |
1325 | for (p = current_language->la_builtin_type_vector; *p != NULL; p++) | |
1326 | { | |
1327 | if (strcmp (TYPE_NAME (**p), name) == 0) | |
1328 | return (**p); | |
1329 | } | |
1330 | } | |
1331 | return (NULL); | |
1332 | } | |
1333 | ||
c906108c SS |
1334 | /* Initialize the language routines */ |
1335 | ||
1336 | void | |
fba45db2 | 1337 | _initialize_language (void) |
c906108c | 1338 | { |
c5aa993b JM |
1339 | struct cmd_list_element *set, *show; |
1340 | ||
f290d38e AC |
1341 | language_gdbarch_data |
1342 | = gdbarch_data_register_post_init (language_gdbarch_post_init); | |
1343 | ||
c5aa993b JM |
1344 | /* GDB commands for language specific stuff */ |
1345 | ||
1346 | set = add_set_cmd ("language", class_support, var_string_noescape, | |
1347 | (char *) &language, | |
1348 | "Set the current source language.", | |
1349 | &setlist); | |
cb1a6d5f | 1350 | show = deprecated_add_show_from_set (set, &showlist); |
9f60d481 AC |
1351 | set_cmd_cfunc (set, set_language_command); |
1352 | set_cmd_cfunc (show, show_language_command); | |
c5aa993b JM |
1353 | |
1354 | add_prefix_cmd ("check", no_class, set_check, | |
d4654627 | 1355 | "Set the status of the type/range checker.", |
c5aa993b JM |
1356 | &setchecklist, "set check ", 0, &setlist); |
1357 | add_alias_cmd ("c", "check", no_class, 1, &setlist); | |
1358 | add_alias_cmd ("ch", "check", no_class, 1, &setlist); | |
1359 | ||
1360 | add_prefix_cmd ("check", no_class, show_check, | |
d4654627 | 1361 | "Show the status of the type/range checker.", |
c5aa993b JM |
1362 | &showchecklist, "show check ", 0, &showlist); |
1363 | add_alias_cmd ("c", "check", no_class, 1, &showlist); | |
1364 | add_alias_cmd ("ch", "check", no_class, 1, &showlist); | |
1365 | ||
1366 | set = add_set_cmd ("type", class_support, var_string_noescape, | |
1367 | (char *) &type, | |
1368 | "Set type checking. (on/warn/off/auto)", | |
1369 | &setchecklist); | |
cb1a6d5f | 1370 | show = deprecated_add_show_from_set (set, &showchecklist); |
9f60d481 AC |
1371 | set_cmd_cfunc (set, set_type_command); |
1372 | set_cmd_cfunc (show, show_type_command); | |
c5aa993b JM |
1373 | |
1374 | set = add_set_cmd ("range", class_support, var_string_noescape, | |
1375 | (char *) &range, | |
1376 | "Set range checking. (on/warn/off/auto)", | |
1377 | &setchecklist); | |
cb1a6d5f | 1378 | show = deprecated_add_show_from_set (set, &showchecklist); |
9f60d481 AC |
1379 | set_cmd_cfunc (set, set_range_command); |
1380 | set_cmd_cfunc (show, show_range_command); | |
c5aa993b | 1381 | |
63872f9d JG |
1382 | set = add_set_cmd ("case-sensitive", class_support, var_string_noescape, |
1383 | (char *) &case_sensitive, | |
1384 | "Set case sensitivity in name search. (on/off/auto)\n\ | |
1385 | For Fortran the default is off; for other languages the default is on.", | |
1386 | &setlist); | |
cb1a6d5f | 1387 | show = deprecated_add_show_from_set (set, &showlist); |
9f60d481 AC |
1388 | set_cmd_cfunc (set, set_case_command); |
1389 | set_cmd_cfunc (show, show_case_command); | |
63872f9d | 1390 | |
c5aa993b JM |
1391 | add_language (&unknown_language_defn); |
1392 | add_language (&local_language_defn); | |
1393 | add_language (&auto_language_defn); | |
1394 | ||
1395 | language = savestring ("auto", strlen ("auto")); | |
ed9a39eb | 1396 | type = savestring ("auto", strlen ("auto")); |
ed9a39eb | 1397 | range = savestring ("auto", strlen ("auto")); |
63872f9d JG |
1398 | case_sensitive = savestring ("auto",strlen ("auto")); |
1399 | ||
1400 | /* Have the above take effect */ | |
1401 | set_language (language_auto); | |
c906108c | 1402 | } |