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c906108c | 1 | /* Multiple source language support for GDB. |
d9fcf2fb | 2 | Copyright 1991, 1992, 2000 Free Software Foundation, Inc. |
c906108c SS |
3 | Contributed by the Department of Computer Science at the State University |
4 | of New York at Buffalo. | |
5 | ||
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
22 | |
23 | /* This file contains functions that return things that are specific | |
24 | to languages. Each function should examine current_language if necessary, | |
25 | and return the appropriate result. */ | |
26 | ||
27 | /* FIXME: Most of these would be better organized as macros which | |
28 | return data out of a "language-specific" struct pointer that is set | |
29 | whenever the working language changes. That would be a lot faster. */ | |
30 | ||
31 | #include "defs.h" | |
32 | #include <ctype.h> | |
33 | #include "gdb_string.h" | |
34 | ||
35 | #include "symtab.h" | |
36 | #include "gdbtypes.h" | |
37 | #include "value.h" | |
38 | #include "gdbcmd.h" | |
39 | #include "frame.h" | |
40 | #include "expression.h" | |
41 | #include "language.h" | |
42 | #include "target.h" | |
43 | #include "parser-defs.h" | |
8caabe69 | 44 | #include "jv-lang.h" |
c906108c | 45 | |
a14ed312 | 46 | extern void _initialize_language (void); |
392a587b | 47 | |
a14ed312 | 48 | static void show_language_command (char *, int); |
c906108c | 49 | |
a14ed312 | 50 | static void set_language_command (char *, int); |
c906108c | 51 | |
a14ed312 | 52 | static void show_type_command (char *, int); |
c906108c | 53 | |
a14ed312 | 54 | static void set_type_command (char *, int); |
c906108c | 55 | |
a14ed312 | 56 | static void show_range_command (char *, int); |
c906108c | 57 | |
a14ed312 | 58 | static void set_range_command (char *, int); |
c906108c | 59 | |
a14ed312 | 60 | static void set_range_str (void); |
c906108c | 61 | |
a14ed312 | 62 | static void set_type_str (void); |
c906108c | 63 | |
a14ed312 | 64 | static void set_lang_str (void); |
c906108c | 65 | |
a14ed312 | 66 | static void unk_lang_error (char *); |
c906108c | 67 | |
a14ed312 | 68 | static int unk_lang_parser (void); |
c906108c | 69 | |
a14ed312 | 70 | static void show_check (char *, int); |
c906108c | 71 | |
a14ed312 | 72 | static void set_check (char *, int); |
c906108c | 73 | |
a14ed312 | 74 | static void set_type_range (void); |
c906108c | 75 | |
d9fcf2fb | 76 | static void unk_lang_emit_char (int c, struct ui_file *stream, int quoter); |
c906108c | 77 | |
d9fcf2fb | 78 | static void unk_lang_printchar (int c, struct ui_file *stream); |
c906108c | 79 | |
d9fcf2fb JM |
80 | static void unk_lang_printstr (struct ui_file * stream, char *string, |
81 | unsigned int length, int width, | |
82 | int force_ellipses); | |
c906108c | 83 | |
a14ed312 | 84 | static struct type *unk_lang_create_fundamental_type (struct objfile *, int); |
c906108c | 85 | |
d9fcf2fb JM |
86 | static void unk_lang_print_type (struct type *, char *, struct ui_file *, |
87 | int, int); | |
c906108c | 88 | |
d9fcf2fb JM |
89 | static int unk_lang_val_print (struct type *, char *, int, CORE_ADDR, |
90 | struct ui_file *, int, int, int, | |
91 | enum val_prettyprint); | |
c906108c | 92 | |
d9fcf2fb | 93 | static int unk_lang_value_print (value_ptr, struct ui_file *, int, enum val_prettyprint); |
c906108c SS |
94 | |
95 | /* Forward declaration */ | |
96 | extern const struct language_defn unknown_language_defn; | |
97 | extern char *warning_pre_print; | |
c5aa993b | 98 | |
c906108c | 99 | /* The current (default at startup) state of type and range checking. |
c5aa993b JM |
100 | (If the modes are set to "auto", though, these are changed based |
101 | on the default language at startup, and then again based on the | |
102 | language of the first source file. */ | |
c906108c SS |
103 | |
104 | enum range_mode range_mode = range_mode_auto; | |
105 | enum range_check range_check = range_check_off; | |
106 | enum type_mode type_mode = type_mode_auto; | |
107 | enum type_check type_check = type_check_off; | |
108 | ||
109 | /* The current language and language_mode (see language.h) */ | |
110 | ||
111 | const struct language_defn *current_language = &unknown_language_defn; | |
112 | enum language_mode language_mode = language_mode_auto; | |
113 | ||
114 | /* The language that the user expects to be typing in (the language | |
115 | of main(), or the last language we notified them about, or C). */ | |
116 | ||
117 | const struct language_defn *expected_language; | |
118 | ||
119 | /* The list of supported languages. The list itself is malloc'd. */ | |
120 | ||
121 | static const struct language_defn **languages; | |
122 | static unsigned languages_size; | |
123 | static unsigned languages_allocsize; | |
124 | #define DEFAULT_ALLOCSIZE 4 | |
125 | ||
126 | /* The "set language/type/range" commands all put stuff in these | |
127 | buffers. This is to make them work as set/show commands. The | |
128 | user's string is copied here, then the set_* commands look at | |
129 | them and update them to something that looks nice when it is | |
130 | printed out. */ | |
131 | ||
132 | static char *language; | |
133 | static char *type; | |
134 | static char *range; | |
135 | ||
136 | /* Warning issued when current_language and the language of the current | |
137 | frame do not match. */ | |
138 | char lang_frame_mismatch_warn[] = | |
c5aa993b | 139 | "Warning: the current language does not match this frame."; |
c906108c | 140 | \f |
c5aa993b | 141 | |
c906108c SS |
142 | /* This page contains the functions corresponding to GDB commands |
143 | and their helpers. */ | |
144 | ||
145 | /* Show command. Display a warning if the language set | |
146 | does not match the frame. */ | |
147 | static void | |
fba45db2 | 148 | show_language_command (char *ignore, int from_tty) |
c906108c | 149 | { |
c5aa993b | 150 | enum language flang; /* The language of the current frame */ |
c906108c | 151 | |
c5aa993b JM |
152 | flang = get_frame_language (); |
153 | if (flang != language_unknown && | |
154 | language_mode == language_mode_manual && | |
155 | current_language->la_language != flang) | |
156 | printf_filtered ("%s\n", lang_frame_mismatch_warn); | |
c906108c SS |
157 | } |
158 | ||
159 | /* Set command. Change the current working language. */ | |
160 | static void | |
fba45db2 | 161 | set_language_command (char *ignore, int from_tty) |
c906108c SS |
162 | { |
163 | int i; | |
164 | enum language flang; | |
165 | char *err_lang; | |
166 | ||
167 | if (!language || !language[0]) | |
168 | { | |
c5aa993b | 169 | printf_unfiltered ("The currently understood settings are:\n\n"); |
c906108c SS |
170 | printf_unfiltered ("local or auto Automatic setting based on source file\n"); |
171 | ||
172 | for (i = 0; i < languages_size; ++i) | |
173 | { | |
174 | /* Already dealt with these above. */ | |
175 | if (languages[i]->la_language == language_unknown | |
176 | || languages[i]->la_language == language_auto) | |
177 | continue; | |
178 | ||
179 | /* FIXME for now assume that the human-readable name is just | |
180 | a capitalization of the internal name. */ | |
181 | printf_unfiltered ("%-16s Use the %c%s language\n", | |
182 | languages[i]->la_name, | |
c5aa993b JM |
183 | /* Capitalize first letter of language |
184 | name. */ | |
c906108c SS |
185 | toupper (languages[i]->la_name[0]), |
186 | languages[i]->la_name + 1); | |
187 | } | |
188 | /* Restore the silly string. */ | |
c5aa993b | 189 | set_language (current_language->la_language); |
c906108c SS |
190 | return; |
191 | } | |
192 | ||
193 | /* Search the list of languages for a match. */ | |
c5aa993b JM |
194 | for (i = 0; i < languages_size; i++) |
195 | { | |
196 | if (STREQ (languages[i]->la_name, language)) | |
197 | { | |
198 | /* Found it! Go into manual mode, and use this language. */ | |
199 | if (languages[i]->la_language == language_auto) | |
200 | { | |
201 | /* Enter auto mode. Set to the current frame's language, if known. */ | |
202 | language_mode = language_mode_auto; | |
203 | flang = get_frame_language (); | |
204 | if (flang != language_unknown) | |
205 | set_language (flang); | |
206 | expected_language = current_language; | |
207 | return; | |
208 | } | |
209 | else | |
210 | { | |
211 | /* Enter manual mode. Set the specified language. */ | |
212 | language_mode = language_mode_manual; | |
213 | current_language = languages[i]; | |
214 | set_type_range (); | |
215 | set_lang_str (); | |
216 | expected_language = current_language; | |
217 | return; | |
218 | } | |
219 | } | |
c906108c | 220 | } |
c906108c SS |
221 | |
222 | /* Reset the language (esp. the global string "language") to the | |
223 | correct values. */ | |
c5aa993b | 224 | err_lang = savestring (language, strlen (language)); |
c906108c | 225 | make_cleanup (free, err_lang); /* Free it after error */ |
c5aa993b JM |
226 | set_language (current_language->la_language); |
227 | error ("Unknown language `%s'.", err_lang); | |
c906108c SS |
228 | } |
229 | ||
230 | /* Show command. Display a warning if the type setting does | |
231 | not match the current language. */ | |
232 | static void | |
fba45db2 | 233 | show_type_command (char *ignore, int from_tty) |
c906108c | 234 | { |
c5aa993b JM |
235 | if (type_check != current_language->la_type_check) |
236 | printf_unfiltered ( | |
237 | "Warning: the current type check setting does not match the language.\n"); | |
c906108c SS |
238 | } |
239 | ||
240 | /* Set command. Change the setting for type checking. */ | |
241 | static void | |
fba45db2 | 242 | set_type_command (char *ignore, int from_tty) |
c906108c | 243 | { |
c5aa993b JM |
244 | if (STREQ (type, "on")) |
245 | { | |
c906108c SS |
246 | type_check = type_check_on; |
247 | type_mode = type_mode_manual; | |
c5aa993b JM |
248 | } |
249 | else if (STREQ (type, "warn")) | |
250 | { | |
c906108c SS |
251 | type_check = type_check_warn; |
252 | type_mode = type_mode_manual; | |
c5aa993b JM |
253 | } |
254 | else if (STREQ (type, "off")) | |
255 | { | |
c906108c SS |
256 | type_check = type_check_off; |
257 | type_mode = type_mode_manual; | |
c5aa993b JM |
258 | } |
259 | else if (STREQ (type, "auto")) | |
260 | { | |
c906108c | 261 | type_mode = type_mode_auto; |
c5aa993b | 262 | set_type_range (); |
c906108c SS |
263 | /* Avoid hitting the set_type_str call below. We |
264 | did it in set_type_range. */ | |
265 | return; | |
c5aa993b | 266 | } |
c4093a6a JM |
267 | else |
268 | { | |
269 | warning ("Unrecognized type check setting: \"%s\"", type); | |
270 | } | |
c5aa993b JM |
271 | set_type_str (); |
272 | show_type_command ((char *) NULL, from_tty); | |
c906108c SS |
273 | } |
274 | ||
275 | /* Show command. Display a warning if the range setting does | |
276 | not match the current language. */ | |
277 | static void | |
fba45db2 | 278 | show_range_command (char *ignore, int from_tty) |
c906108c SS |
279 | { |
280 | ||
c5aa993b JM |
281 | if (range_check != current_language->la_range_check) |
282 | printf_unfiltered ( | |
283 | "Warning: the current range check setting does not match the language.\n"); | |
c906108c SS |
284 | } |
285 | ||
286 | /* Set command. Change the setting for range checking. */ | |
287 | static void | |
fba45db2 | 288 | set_range_command (char *ignore, int from_tty) |
c906108c | 289 | { |
c5aa993b JM |
290 | if (STREQ (range, "on")) |
291 | { | |
c906108c SS |
292 | range_check = range_check_on; |
293 | range_mode = range_mode_manual; | |
c5aa993b JM |
294 | } |
295 | else if (STREQ (range, "warn")) | |
296 | { | |
c906108c SS |
297 | range_check = range_check_warn; |
298 | range_mode = range_mode_manual; | |
c5aa993b JM |
299 | } |
300 | else if (STREQ (range, "off")) | |
301 | { | |
c906108c SS |
302 | range_check = range_check_off; |
303 | range_mode = range_mode_manual; | |
c5aa993b JM |
304 | } |
305 | else if (STREQ (range, "auto")) | |
306 | { | |
c906108c | 307 | range_mode = range_mode_auto; |
c5aa993b | 308 | set_type_range (); |
c906108c | 309 | /* Avoid hitting the set_range_str call below. We |
c5aa993b | 310 | did it in set_type_range. */ |
c906108c | 311 | return; |
c5aa993b | 312 | } |
c4093a6a JM |
313 | else |
314 | { | |
315 | warning ("Unrecognized range check setting: \"%s\"", range); | |
316 | } | |
c5aa993b JM |
317 | set_range_str (); |
318 | show_range_command ((char *) 0, from_tty); | |
c906108c SS |
319 | } |
320 | ||
321 | /* Set the status of range and type checking based on | |
322 | the current modes and the current language. | |
323 | If SHOW is non-zero, then print out the current language, | |
324 | type and range checking status. */ | |
325 | static void | |
fba45db2 | 326 | set_type_range (void) |
c906108c SS |
327 | { |
328 | ||
329 | if (range_mode == range_mode_auto) | |
330 | range_check = current_language->la_range_check; | |
331 | ||
332 | if (type_mode == type_mode_auto) | |
333 | type_check = current_language->la_type_check; | |
334 | ||
c5aa993b JM |
335 | set_type_str (); |
336 | set_range_str (); | |
c906108c SS |
337 | } |
338 | ||
339 | /* Set current language to (enum language) LANG. Returns previous language. */ | |
340 | ||
341 | enum language | |
fba45db2 | 342 | set_language (enum language lang) |
c906108c SS |
343 | { |
344 | int i; | |
345 | enum language prev_language; | |
346 | ||
347 | prev_language = current_language->la_language; | |
348 | ||
c5aa993b JM |
349 | for (i = 0; i < languages_size; i++) |
350 | { | |
351 | if (languages[i]->la_language == lang) | |
352 | { | |
353 | current_language = languages[i]; | |
354 | set_type_range (); | |
355 | set_lang_str (); | |
356 | break; | |
357 | } | |
c906108c | 358 | } |
c906108c SS |
359 | |
360 | return prev_language; | |
361 | } | |
362 | \f | |
363 | /* This page contains functions that update the global vars | |
364 | language, type and range. */ | |
365 | static void | |
fba45db2 | 366 | set_lang_str (void) |
c906108c | 367 | { |
c5aa993b | 368 | char *prefix = ""; |
c906108c | 369 | |
ccdaf797 PDM |
370 | if (language) |
371 | free (language); | |
c5aa993b JM |
372 | if (language_mode == language_mode_auto) |
373 | prefix = "auto; currently "; | |
c906108c | 374 | |
c5aa993b | 375 | language = concat (prefix, current_language->la_name, NULL); |
c906108c SS |
376 | } |
377 | ||
378 | static void | |
fba45db2 | 379 | set_type_str (void) |
c906108c | 380 | { |
c4093a6a | 381 | char *tmp = NULL, *prefix = ""; |
c906108c | 382 | |
ccdaf797 PDM |
383 | if (type) |
384 | free (type); | |
c5aa993b JM |
385 | if (type_mode == type_mode_auto) |
386 | prefix = "auto; currently "; | |
c906108c | 387 | |
c5aa993b JM |
388 | switch (type_check) |
389 | { | |
390 | case type_check_on: | |
c906108c SS |
391 | tmp = "on"; |
392 | break; | |
c5aa993b | 393 | case type_check_off: |
c906108c SS |
394 | tmp = "off"; |
395 | break; | |
c5aa993b | 396 | case type_check_warn: |
c906108c SS |
397 | tmp = "warn"; |
398 | break; | |
c5aa993b | 399 | default: |
c906108c | 400 | error ("Unrecognized type check setting."); |
c5aa993b | 401 | } |
c906108c | 402 | |
c5aa993b | 403 | type = concat (prefix, tmp, NULL); |
c906108c SS |
404 | } |
405 | ||
406 | static void | |
fba45db2 | 407 | set_range_str (void) |
c906108c | 408 | { |
c5aa993b | 409 | char *tmp, *pref = ""; |
c906108c | 410 | |
c5aa993b JM |
411 | if (range_mode == range_mode_auto) |
412 | pref = "auto; currently "; | |
c906108c | 413 | |
c5aa993b JM |
414 | switch (range_check) |
415 | { | |
416 | case range_check_on: | |
c906108c SS |
417 | tmp = "on"; |
418 | break; | |
c5aa993b | 419 | case range_check_off: |
c906108c SS |
420 | tmp = "off"; |
421 | break; | |
c5aa993b | 422 | case range_check_warn: |
c906108c SS |
423 | tmp = "warn"; |
424 | break; | |
c5aa993b | 425 | default: |
c906108c | 426 | error ("Unrecognized range check setting."); |
c5aa993b | 427 | } |
c906108c | 428 | |
ccdaf797 PDM |
429 | if (range) |
430 | free (range); | |
c5aa993b | 431 | range = concat (pref, tmp, NULL); |
c906108c SS |
432 | } |
433 | ||
434 | ||
435 | /* Print out the current language settings: language, range and | |
436 | type checking. If QUIETLY, print only what has changed. */ | |
437 | ||
438 | void | |
fba45db2 | 439 | language_info (int quietly) |
c906108c SS |
440 | { |
441 | if (quietly && expected_language == current_language) | |
442 | return; | |
443 | ||
444 | expected_language = current_language; | |
c5aa993b JM |
445 | printf_unfiltered ("Current language: %s\n", language); |
446 | show_language_command ((char *) 0, 1); | |
c906108c SS |
447 | |
448 | if (!quietly) | |
449 | { | |
c5aa993b JM |
450 | printf_unfiltered ("Type checking: %s\n", type); |
451 | show_type_command ((char *) 0, 1); | |
452 | printf_unfiltered ("Range checking: %s\n", range); | |
453 | show_range_command ((char *) 0, 1); | |
c906108c SS |
454 | } |
455 | } | |
456 | \f | |
457 | /* Return the result of a binary operation. */ | |
458 | ||
c5aa993b | 459 | #if 0 /* Currently unused */ |
c906108c SS |
460 | |
461 | struct type * | |
fba45db2 | 462 | binop_result_type (value_ptr v1, value_ptr v2) |
c906108c | 463 | { |
c5aa993b JM |
464 | int size, uns; |
465 | struct type *t1 = check_typedef (VALUE_TYPE (v1)); | |
466 | struct type *t2 = check_typedef (VALUE_TYPE (v2)); | |
467 | ||
468 | int l1 = TYPE_LENGTH (t1); | |
469 | int l2 = TYPE_LENGTH (t2); | |
470 | ||
471 | switch (current_language->la_language) | |
472 | { | |
473 | case language_c: | |
474 | case language_cplus: | |
475 | if (TYPE_CODE (t1) == TYPE_CODE_FLT) | |
476 | return TYPE_CODE (t2) == TYPE_CODE_FLT && l2 > l1 ? | |
477 | VALUE_TYPE (v2) : VALUE_TYPE (v1); | |
478 | else if (TYPE_CODE (t2) == TYPE_CODE_FLT) | |
479 | return TYPE_CODE (t1) == TYPE_CODE_FLT && l1 > l2 ? | |
480 | VALUE_TYPE (v1) : VALUE_TYPE (v2); | |
481 | else if (TYPE_UNSIGNED (t1) && l1 > l2) | |
482 | return VALUE_TYPE (v1); | |
483 | else if (TYPE_UNSIGNED (t2) && l2 > l1) | |
484 | return VALUE_TYPE (v2); | |
485 | else /* Both are signed. Result is the longer type */ | |
486 | return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2); | |
c906108c | 487 | break; |
c5aa993b | 488 | case language_m2: |
c906108c | 489 | /* If we are doing type-checking, l1 should equal l2, so this is |
c5aa993b JM |
490 | not needed. */ |
491 | return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2); | |
c906108c | 492 | break; |
c5aa993b JM |
493 | case language_chill: |
494 | error ("Missing Chill support in function binop_result_check."); /*FIXME */ | |
495 | } | |
496 | abort (); | |
497 | return (struct type *) 0; /* For lint */ | |
c906108c SS |
498 | } |
499 | ||
c5aa993b | 500 | #endif /* 0 */ |
c906108c | 501 | \f |
c5aa993b | 502 | |
c906108c SS |
503 | /* This page contains functions that return format strings for |
504 | printf for printing out numbers in different formats */ | |
505 | ||
506 | /* Returns the appropriate printf format for hexadecimal | |
507 | numbers. */ | |
508 | char * | |
fba45db2 | 509 | local_hex_format_custom (char *pre) |
c906108c | 510 | { |
c5aa993b JM |
511 | static char form[50]; |
512 | ||
513 | strcpy (form, local_hex_format_prefix ()); | |
514 | strcat (form, "%"); | |
515 | strcat (form, pre); | |
516 | strcat (form, local_hex_format_specifier ()); | |
517 | strcat (form, local_hex_format_suffix ()); | |
518 | return form; | |
c906108c SS |
519 | } |
520 | ||
7acb79c8 AC |
521 | #if 0 |
522 | /* FIXME: cagney/2000-03-04: This function does not appear to be used. | |
523 | It can be deleted once 5.0 has been released. */ | |
524 | /* FIXME: cagney/2000-03-04: This code assumes that the compiler | |
525 | supports ``long long''. */ | |
c4093a6a JM |
526 | /* Converts a number to hexadecimal (without leading "0x") and stores it in a |
527 | static string. Returns a pointer to this string. */ | |
528 | ||
529 | char * | |
fba45db2 | 530 | longest_raw_hex_string (LONGEST num) |
c4093a6a JM |
531 | { |
532 | static char res_longest_raw_hex_string[50]; | |
533 | long long ll = num; /* MERGEBUG ?? see below */ | |
534 | res_longest_raw_hex_string[0] = 0; | |
535 | /* MERGEBUG ?? As a quick fix I am replacing this with sprintf | |
536 | strcat_address_numeric (num, 0, res_longest_raw_hex_string, 50); | |
537 | */ | |
538 | ||
539 | sprintf (res_longest_raw_hex_string, "%llx", ll); | |
540 | return res_longest_raw_hex_string; | |
541 | } | |
7acb79c8 | 542 | #endif |
c4093a6a | 543 | |
c906108c SS |
544 | /* Converts a number to hexadecimal and stores it in a static |
545 | string. Returns a pointer to this string. */ | |
546 | char * | |
fba45db2 | 547 | local_hex_string (unsigned long num) |
c906108c | 548 | { |
c5aa993b | 549 | static char res[50]; |
c906108c | 550 | |
c5aa993b JM |
551 | sprintf (res, local_hex_format (), num); |
552 | return res; | |
c906108c SS |
553 | } |
554 | ||
c4093a6a JM |
555 | /* Converts a LONGEST number to hexadecimal and stores it in a static |
556 | string. Returns a pointer to this string. */ | |
557 | char * | |
fba45db2 | 558 | longest_local_hex_string (LONGEST num) |
c4093a6a JM |
559 | { |
560 | return longest_local_hex_string_custom (num, "l"); | |
561 | } | |
562 | ||
c906108c SS |
563 | /* Converts a number to custom hexadecimal and stores it in a static |
564 | string. Returns a pointer to this string. */ | |
565 | char * | |
fba45db2 | 566 | local_hex_string_custom (unsigned long num, char *pre) |
c906108c | 567 | { |
c5aa993b | 568 | static char res[50]; |
c906108c | 569 | |
c5aa993b JM |
570 | sprintf (res, local_hex_format_custom (pre), num); |
571 | return res; | |
c906108c SS |
572 | } |
573 | ||
c4093a6a JM |
574 | /* Converts a LONGEST number to custom hexadecimal and stores it in a static |
575 | string. Returns a pointer to this string. Note that the width parameter | |
576 | should end with "l", e.g. "08l" as with calls to local_hex_string_custom */ | |
577 | ||
578 | char * | |
fba45db2 | 579 | longest_local_hex_string_custom (LONGEST num, char *width) |
c4093a6a JM |
580 | { |
581 | #define RESULT_BUF_LEN 50 | |
582 | static char res2[RESULT_BUF_LEN]; | |
583 | char format[RESULT_BUF_LEN]; | |
584 | #if !defined (PRINTF_HAS_LONG_LONG) | |
585 | int field_width; | |
586 | int num_len; | |
587 | int num_pad_chars; | |
588 | char *pad_char; /* string with one character */ | |
589 | int pad_on_left; | |
590 | char *parse_ptr; | |
591 | char temp_nbr_buf[RESULT_BUF_LEN]; | |
592 | #endif | |
593 | ||
594 | #ifndef CC_HAS_LONG_LONG | |
595 | /* If there is no long long, then LONGEST should be just long and we | |
596 | can use local_hex_string_custom | |
597 | */ | |
598 | return local_hex_string_custom ((unsigned long) num, width); | |
392746e5 | 599 | #elif defined (PRINTF_HAS_LONG_LONG) |
c4093a6a JM |
600 | /* Just use printf. */ |
601 | strcpy (format, local_hex_format_prefix ()); /* 0x */ | |
602 | strcat (format, "%"); | |
603 | strcat (format, width); /* e.g. "08l" */ | |
604 | strcat (format, "l"); /* need "ll" for long long */ | |
605 | strcat (format, local_hex_format_specifier ()); /* "x" */ | |
606 | strcat (format, local_hex_format_suffix ()); /* "" */ | |
607 | sprintf (res2, format, num); | |
608 | return res2; | |
609 | #else /* !defined (PRINTF_HAS_LONG_LONG) */ | |
610 | /* Use strcat_address_numeric to print the number into a string, then | |
611 | build the result string from local_hex_format_prefix, padding and | |
612 | the hex representation as indicated by "width". */ | |
613 | ||
614 | temp_nbr_buf[0] = 0; | |
615 | /* With use_local == 0, we don't get the leading "0x" prefix. */ | |
616 | /* MERGEBUG ?? As a quick fix I am replacing this call to | |
617 | strcat_address_numeric with sprintf | |
618 | strcat_address_numeric(num, 0, temp_nbr_buf, RESULT_BUF_LEN); | |
619 | */ | |
620 | ||
621 | { | |
622 | long long ll = num; | |
623 | sprintf (temp_nbr_buf, "%llx", ll); | |
624 | } | |
625 | /* parse width */ | |
626 | parse_ptr = width; | |
627 | pad_on_left = 1; | |
628 | pad_char = " "; | |
629 | if (*parse_ptr == '-') | |
630 | { | |
631 | parse_ptr++; | |
632 | pad_on_left = 0; | |
633 | } | |
634 | if (*parse_ptr == '0') | |
635 | { | |
636 | parse_ptr++; | |
637 | if (pad_on_left) | |
638 | pad_char = "0"; /* If padding is on the right, it is blank */ | |
639 | } | |
640 | field_width = atoi (parse_ptr); | |
641 | num_len = strlen (temp_nbr_buf); | |
642 | num_pad_chars = field_width - strlen (temp_nbr_buf); /* possibly negative */ | |
643 | ||
644 | if (strlen (local_hex_format_prefix ()) + num_len + num_pad_chars | |
645 | < RESULT_BUF_LEN) /* paranoia */ | |
646 | internal_error ("longest_local_hex_string_custom: insufficient space to store result"); | |
647 | ||
648 | strcpy (res2, local_hex_format_prefix ()); | |
649 | if (pad_on_left) | |
650 | { | |
651 | while (num_pad_chars > 0) | |
652 | { | |
653 | strcat (res2, pad_char); | |
654 | num_pad_chars--; | |
655 | } | |
656 | } | |
657 | strcat (res2, temp_nbr_buf); | |
658 | if (!pad_on_left) | |
659 | { | |
660 | while (num_pad_chars > 0) | |
661 | { | |
662 | strcat (res2, pad_char); | |
663 | num_pad_chars--; | |
664 | } | |
665 | } | |
666 | return res2; | |
667 | #endif | |
668 | ||
669 | } /* longest_local_hex_string_custom */ | |
670 | ||
c906108c SS |
671 | /* Returns the appropriate printf format for octal |
672 | numbers. */ | |
673 | char * | |
fba45db2 | 674 | local_octal_format_custom (char *pre) |
c906108c | 675 | { |
c5aa993b JM |
676 | static char form[50]; |
677 | ||
678 | strcpy (form, local_octal_format_prefix ()); | |
679 | strcat (form, "%"); | |
680 | strcat (form, pre); | |
681 | strcat (form, local_octal_format_specifier ()); | |
682 | strcat (form, local_octal_format_suffix ()); | |
683 | return form; | |
c906108c SS |
684 | } |
685 | ||
686 | /* Returns the appropriate printf format for decimal numbers. */ | |
687 | char * | |
fba45db2 | 688 | local_decimal_format_custom (char *pre) |
c906108c | 689 | { |
c5aa993b JM |
690 | static char form[50]; |
691 | ||
692 | strcpy (form, local_decimal_format_prefix ()); | |
693 | strcat (form, "%"); | |
694 | strcat (form, pre); | |
695 | strcat (form, local_decimal_format_specifier ()); | |
696 | strcat (form, local_decimal_format_suffix ()); | |
697 | return form; | |
c906108c SS |
698 | } |
699 | \f | |
700 | #if 0 | |
701 | /* This page contains functions that are used in type/range checking. | |
702 | They all return zero if the type/range check fails. | |
703 | ||
704 | It is hoped that these will make extending GDB to parse different | |
705 | languages a little easier. These are primarily used in eval.c when | |
706 | evaluating expressions and making sure that their types are correct. | |
707 | Instead of having a mess of conjucted/disjuncted expressions in an "if", | |
708 | the ideas of type can be wrapped up in the following functions. | |
709 | ||
710 | Note that some of them are not currently dependent upon which language | |
711 | is currently being parsed. For example, floats are the same in | |
712 | C and Modula-2 (ie. the only floating point type has TYPE_CODE of | |
713 | TYPE_CODE_FLT), while booleans are different. */ | |
714 | ||
715 | /* Returns non-zero if its argument is a simple type. This is the same for | |
716 | both Modula-2 and for C. In the C case, TYPE_CODE_CHAR will never occur, | |
717 | and thus will never cause the failure of the test. */ | |
718 | int | |
fba45db2 | 719 | simple_type (struct type *type) |
c906108c SS |
720 | { |
721 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
722 | switch (TYPE_CODE (type)) |
723 | { | |
724 | case TYPE_CODE_INT: | |
725 | case TYPE_CODE_CHAR: | |
726 | case TYPE_CODE_ENUM: | |
727 | case TYPE_CODE_FLT: | |
728 | case TYPE_CODE_RANGE: | |
729 | case TYPE_CODE_BOOL: | |
730 | return 1; | |
c906108c | 731 | |
c5aa993b JM |
732 | default: |
733 | return 0; | |
734 | } | |
c906108c SS |
735 | } |
736 | ||
737 | /* Returns non-zero if its argument is of an ordered type. | |
738 | An ordered type is one in which the elements can be tested for the | |
739 | properties of "greater than", "less than", etc, or for which the | |
740 | operations "increment" or "decrement" make sense. */ | |
741 | int | |
fba45db2 | 742 | ordered_type (struct type *type) |
c906108c SS |
743 | { |
744 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
745 | switch (TYPE_CODE (type)) |
746 | { | |
747 | case TYPE_CODE_INT: | |
748 | case TYPE_CODE_CHAR: | |
749 | case TYPE_CODE_ENUM: | |
750 | case TYPE_CODE_FLT: | |
751 | case TYPE_CODE_RANGE: | |
752 | return 1; | |
c906108c | 753 | |
c5aa993b JM |
754 | default: |
755 | return 0; | |
756 | } | |
c906108c SS |
757 | } |
758 | ||
759 | /* Returns non-zero if the two types are the same */ | |
760 | int | |
fba45db2 | 761 | same_type (struct type *arg1, struct type *arg2) |
c906108c SS |
762 | { |
763 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
764 | if (structured_type (arg1) ? !structured_type (arg2) : structured_type (arg2)) |
765 | /* One is structured and one isn't */ | |
766 | return 0; | |
767 | else if (structured_type (arg1) && structured_type (arg2)) | |
768 | return arg1 == arg2; | |
769 | else if (numeric_type (arg1) && numeric_type (arg2)) | |
770 | return (TYPE_CODE (arg2) == TYPE_CODE (arg1)) && | |
771 | (TYPE_UNSIGNED (arg1) == TYPE_UNSIGNED (arg2)) | |
772 | ? 1 : 0; | |
773 | else | |
774 | return arg1 == arg2; | |
c906108c SS |
775 | } |
776 | ||
777 | /* Returns non-zero if the type is integral */ | |
778 | int | |
fba45db2 | 779 | integral_type (struct type *type) |
c906108c SS |
780 | { |
781 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
782 | switch (current_language->la_language) |
783 | { | |
784 | case language_c: | |
785 | case language_cplus: | |
786 | return (TYPE_CODE (type) != TYPE_CODE_INT) && | |
787 | (TYPE_CODE (type) != TYPE_CODE_ENUM) ? 0 : 1; | |
788 | case language_m2: | |
750ba382 | 789 | case language_pascal: |
c5aa993b JM |
790 | return TYPE_CODE (type) != TYPE_CODE_INT ? 0 : 1; |
791 | case language_chill: | |
792 | error ("Missing Chill support in function integral_type."); /*FIXME */ | |
793 | default: | |
c906108c | 794 | error ("Language not supported."); |
c5aa993b | 795 | } |
c906108c SS |
796 | } |
797 | ||
798 | /* Returns non-zero if the value is numeric */ | |
799 | int | |
fba45db2 | 800 | numeric_type (struct type *type) |
c906108c SS |
801 | { |
802 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
803 | switch (TYPE_CODE (type)) |
804 | { | |
805 | case TYPE_CODE_INT: | |
806 | case TYPE_CODE_FLT: | |
807 | return 1; | |
c906108c | 808 | |
c5aa993b JM |
809 | default: |
810 | return 0; | |
811 | } | |
c906108c SS |
812 | } |
813 | ||
814 | /* Returns non-zero if the value is a character type */ | |
815 | int | |
fba45db2 | 816 | character_type (struct type *type) |
c906108c SS |
817 | { |
818 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
819 | switch (current_language->la_language) |
820 | { | |
821 | case language_chill: | |
822 | case language_m2: | |
750ba382 | 823 | case language_pascal: |
c5aa993b JM |
824 | return TYPE_CODE (type) != TYPE_CODE_CHAR ? 0 : 1; |
825 | ||
826 | case language_c: | |
827 | case language_cplus: | |
828 | return (TYPE_CODE (type) == TYPE_CODE_INT) && | |
829 | TYPE_LENGTH (type) == sizeof (char) | |
830 | ? 1 : 0; | |
831 | default: | |
c906108c | 832 | return (0); |
c5aa993b | 833 | } |
c906108c SS |
834 | } |
835 | ||
836 | /* Returns non-zero if the value is a string type */ | |
837 | int | |
fba45db2 | 838 | string_type (struct type *type) |
c906108c SS |
839 | { |
840 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
841 | switch (current_language->la_language) |
842 | { | |
843 | case language_chill: | |
844 | case language_m2: | |
750ba382 | 845 | case language_pascal: |
c5aa993b JM |
846 | return TYPE_CODE (type) != TYPE_CODE_STRING ? 0 : 1; |
847 | ||
848 | case language_c: | |
849 | case language_cplus: | |
c906108c SS |
850 | /* C does not have distinct string type. */ |
851 | return (0); | |
c5aa993b | 852 | default: |
c906108c | 853 | return (0); |
c5aa993b | 854 | } |
c906108c SS |
855 | } |
856 | ||
857 | /* Returns non-zero if the value is a boolean type */ | |
858 | int | |
fba45db2 | 859 | boolean_type (struct type *type) |
c906108c SS |
860 | { |
861 | CHECK_TYPEDEF (type); | |
862 | if (TYPE_CODE (type) == TYPE_CODE_BOOL) | |
863 | return 1; | |
c5aa993b | 864 | switch (current_language->la_language) |
c906108c SS |
865 | { |
866 | case language_c: | |
867 | case language_cplus: | |
868 | /* Might be more cleanly handled by having a TYPE_CODE_INT_NOT_BOOL | |
c5aa993b | 869 | for CHILL and such languages, or a TYPE_CODE_INT_OR_BOOL for C. */ |
c906108c SS |
870 | if (TYPE_CODE (type) == TYPE_CODE_INT) |
871 | return 1; | |
c5aa993b | 872 | default: |
c906108c | 873 | break; |
c5aa993b | 874 | } |
c906108c SS |
875 | return 0; |
876 | } | |
877 | ||
878 | /* Returns non-zero if the value is a floating-point type */ | |
879 | int | |
fba45db2 | 880 | float_type (struct type *type) |
c906108c SS |
881 | { |
882 | CHECK_TYPEDEF (type); | |
c5aa993b | 883 | return TYPE_CODE (type) == TYPE_CODE_FLT; |
c906108c SS |
884 | } |
885 | ||
886 | /* Returns non-zero if the value is a pointer type */ | |
887 | int | |
fba45db2 | 888 | pointer_type (struct type *type) |
c906108c | 889 | { |
c5aa993b JM |
890 | return TYPE_CODE (type) == TYPE_CODE_PTR || |
891 | TYPE_CODE (type) == TYPE_CODE_REF; | |
c906108c SS |
892 | } |
893 | ||
894 | /* Returns non-zero if the value is a structured type */ | |
895 | int | |
fba45db2 | 896 | structured_type (struct type *type) |
c906108c SS |
897 | { |
898 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
899 | switch (current_language->la_language) |
900 | { | |
901 | case language_c: | |
902 | case language_cplus: | |
903 | return (TYPE_CODE (type) == TYPE_CODE_STRUCT) || | |
904 | (TYPE_CODE (type) == TYPE_CODE_UNION) || | |
905 | (TYPE_CODE (type) == TYPE_CODE_ARRAY); | |
750ba382 PM |
906 | case language_pascal: |
907 | return (TYPE_CODE(type) == TYPE_CODE_STRUCT) || | |
908 | (TYPE_CODE(type) == TYPE_CODE_UNION) || | |
909 | (TYPE_CODE(type) == TYPE_CODE_SET) || | |
910 | (TYPE_CODE(type) == TYPE_CODE_ARRAY); | |
c5aa993b JM |
911 | case language_m2: |
912 | return (TYPE_CODE (type) == TYPE_CODE_STRUCT) || | |
913 | (TYPE_CODE (type) == TYPE_CODE_SET) || | |
914 | (TYPE_CODE (type) == TYPE_CODE_ARRAY); | |
915 | case language_chill: | |
916 | error ("Missing Chill support in function structured_type."); /*FIXME */ | |
917 | default: | |
c906108c | 918 | return (0); |
c5aa993b | 919 | } |
c906108c SS |
920 | } |
921 | #endif | |
922 | \f | |
923 | struct type * | |
fba45db2 | 924 | lang_bool_type (void) |
c906108c SS |
925 | { |
926 | struct symbol *sym; | |
927 | struct type *type; | |
c5aa993b | 928 | switch (current_language->la_language) |
c906108c SS |
929 | { |
930 | case language_chill: | |
931 | return builtin_type_chill_bool; | |
932 | case language_fortran: | |
933 | sym = lookup_symbol ("logical", NULL, VAR_NAMESPACE, NULL, NULL); | |
934 | if (sym) | |
935 | { | |
936 | type = SYMBOL_TYPE (sym); | |
937 | if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) | |
938 | return type; | |
939 | } | |
940 | return builtin_type_f_logical_s2; | |
941 | case language_cplus: | |
750ba382 PM |
942 | case language_pascal: |
943 | if (current_language->la_language==language_cplus) | |
944 | {sym = lookup_symbol ("bool", NULL, VAR_NAMESPACE, NULL, NULL);} | |
945 | else | |
946 | {sym = lookup_symbol ("boolean", NULL, VAR_NAMESPACE, NULL, NULL);} | |
c906108c SS |
947 | if (sym) |
948 | { | |
949 | type = SYMBOL_TYPE (sym); | |
950 | if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) | |
951 | return type; | |
952 | } | |
953 | return builtin_type_bool; | |
8caabe69 AG |
954 | case language_java: |
955 | sym = lookup_symbol ("boolean", NULL, VAR_NAMESPACE, NULL, NULL); | |
956 | if (sym) | |
957 | { | |
958 | type = SYMBOL_TYPE (sym); | |
959 | if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) | |
960 | return type; | |
961 | } | |
962 | return java_boolean_type; | |
c906108c SS |
963 | default: |
964 | return builtin_type_int; | |
965 | } | |
966 | } | |
967 | \f | |
968 | /* This page contains functions that return info about | |
969 | (struct value) values used in GDB. */ | |
970 | ||
971 | /* Returns non-zero if the value VAL represents a true value. */ | |
972 | int | |
fba45db2 | 973 | value_true (value_ptr val) |
c906108c SS |
974 | { |
975 | /* It is possible that we should have some sort of error if a non-boolean | |
976 | value is used in this context. Possibly dependent on some kind of | |
977 | "boolean-checking" option like range checking. But it should probably | |
978 | not depend on the language except insofar as is necessary to identify | |
979 | a "boolean" value (i.e. in C using a float, pointer, etc., as a boolean | |
980 | should be an error, probably). */ | |
981 | return !value_logical_not (val); | |
982 | } | |
983 | \f | |
984 | /* Returns non-zero if the operator OP is defined on | |
985 | the values ARG1 and ARG2. */ | |
986 | ||
c5aa993b | 987 | #if 0 /* Currently unused */ |
c906108c SS |
988 | |
989 | void | |
fba45db2 | 990 | binop_type_check (value_ptr arg1, value_ptr arg2, int op) |
c906108c | 991 | { |
c5aa993b | 992 | struct type *t1, *t2; |
c906108c | 993 | |
c5aa993b JM |
994 | /* If we're not checking types, always return success. */ |
995 | if (!STRICT_TYPE) | |
996 | return; | |
997 | ||
998 | t1 = VALUE_TYPE (arg1); | |
999 | if (arg2 != NULL) | |
1000 | t2 = VALUE_TYPE (arg2); | |
1001 | else | |
1002 | t2 = NULL; | |
c906108c | 1003 | |
c5aa993b JM |
1004 | switch (op) |
1005 | { | |
1006 | case BINOP_ADD: | |
1007 | case BINOP_SUB: | |
1008 | if ((numeric_type (t1) && pointer_type (t2)) || | |
1009 | (pointer_type (t1) && numeric_type (t2))) | |
1010 | { | |
1011 | warning ("combining pointer and integer.\n"); | |
1012 | break; | |
1013 | } | |
1014 | case BINOP_MUL: | |
1015 | case BINOP_LSH: | |
1016 | case BINOP_RSH: | |
1017 | if (!numeric_type (t1) || !numeric_type (t2)) | |
1018 | type_op_error ("Arguments to %s must be numbers.", op); | |
1019 | else if (!same_type (t1, t2)) | |
1020 | type_op_error ("Arguments to %s must be of the same type.", op); | |
c906108c SS |
1021 | break; |
1022 | ||
c5aa993b JM |
1023 | case BINOP_LOGICAL_AND: |
1024 | case BINOP_LOGICAL_OR: | |
1025 | if (!boolean_type (t1) || !boolean_type (t2)) | |
1026 | type_op_error ("Arguments to %s must be of boolean type.", op); | |
c906108c SS |
1027 | break; |
1028 | ||
c5aa993b JM |
1029 | case BINOP_EQUAL: |
1030 | if ((pointer_type (t1) && !(pointer_type (t2) || integral_type (t2))) || | |
1031 | (pointer_type (t2) && !(pointer_type (t1) || integral_type (t1)))) | |
1032 | type_op_error ("A pointer can only be compared to an integer or pointer.", op); | |
1033 | else if ((pointer_type (t1) && integral_type (t2)) || | |
1034 | (integral_type (t1) && pointer_type (t2))) | |
1035 | { | |
1036 | warning ("combining integer and pointer.\n"); | |
1037 | break; | |
1038 | } | |
1039 | else if (!simple_type (t1) || !simple_type (t2)) | |
1040 | type_op_error ("Arguments to %s must be of simple type.", op); | |
1041 | else if (!same_type (t1, t2)) | |
1042 | type_op_error ("Arguments to %s must be of the same type.", op); | |
c906108c SS |
1043 | break; |
1044 | ||
c5aa993b JM |
1045 | case BINOP_REM: |
1046 | case BINOP_MOD: | |
1047 | if (!integral_type (t1) || !integral_type (t2)) | |
1048 | type_op_error ("Arguments to %s must be of integral type.", op); | |
c906108c SS |
1049 | break; |
1050 | ||
c5aa993b JM |
1051 | case BINOP_LESS: |
1052 | case BINOP_GTR: | |
1053 | case BINOP_LEQ: | |
1054 | case BINOP_GEQ: | |
1055 | if (!ordered_type (t1) || !ordered_type (t2)) | |
1056 | type_op_error ("Arguments to %s must be of ordered type.", op); | |
1057 | else if (!same_type (t1, t2)) | |
1058 | type_op_error ("Arguments to %s must be of the same type.", op); | |
c906108c SS |
1059 | break; |
1060 | ||
c5aa993b JM |
1061 | case BINOP_ASSIGN: |
1062 | if (pointer_type (t1) && !integral_type (t2)) | |
1063 | type_op_error ("A pointer can only be assigned an integer.", op); | |
1064 | else if (pointer_type (t1) && integral_type (t2)) | |
1065 | { | |
1066 | warning ("combining integer and pointer."); | |
1067 | break; | |
1068 | } | |
1069 | else if (!simple_type (t1) || !simple_type (t2)) | |
1070 | type_op_error ("Arguments to %s must be of simple type.", op); | |
1071 | else if (!same_type (t1, t2)) | |
1072 | type_op_error ("Arguments to %s must be of the same type.", op); | |
c906108c SS |
1073 | break; |
1074 | ||
1075 | case BINOP_CONCAT: | |
1076 | /* FIXME: Needs to handle bitstrings as well. */ | |
c5aa993b JM |
1077 | if (!(string_type (t1) || character_type (t1) || integral_type (t1)) |
1078 | || !(string_type (t2) || character_type (t2) || integral_type (t2))) | |
1079 | type_op_error ("Arguments to %s must be strings or characters.", op); | |
c906108c SS |
1080 | break; |
1081 | ||
c5aa993b | 1082 | /* Unary checks -- arg2 is null */ |
c906108c | 1083 | |
c5aa993b JM |
1084 | case UNOP_LOGICAL_NOT: |
1085 | if (!boolean_type (t1)) | |
1086 | type_op_error ("Argument to %s must be of boolean type.", op); | |
c906108c SS |
1087 | break; |
1088 | ||
c5aa993b JM |
1089 | case UNOP_PLUS: |
1090 | case UNOP_NEG: | |
1091 | if (!numeric_type (t1)) | |
1092 | type_op_error ("Argument to %s must be of numeric type.", op); | |
c906108c SS |
1093 | break; |
1094 | ||
c5aa993b JM |
1095 | case UNOP_IND: |
1096 | if (integral_type (t1)) | |
1097 | { | |
1098 | warning ("combining pointer and integer.\n"); | |
1099 | break; | |
1100 | } | |
1101 | else if (!pointer_type (t1)) | |
1102 | type_op_error ("Argument to %s must be a pointer.", op); | |
c906108c SS |
1103 | break; |
1104 | ||
c5aa993b JM |
1105 | case UNOP_PREINCREMENT: |
1106 | case UNOP_POSTINCREMENT: | |
1107 | case UNOP_PREDECREMENT: | |
1108 | case UNOP_POSTDECREMENT: | |
1109 | if (!ordered_type (t1)) | |
1110 | type_op_error ("Argument to %s must be of an ordered type.", op); | |
c906108c SS |
1111 | break; |
1112 | ||
c5aa993b | 1113 | default: |
c906108c | 1114 | /* Ok. The following operators have different meanings in |
c5aa993b JM |
1115 | different languages. */ |
1116 | switch (current_language->la_language) | |
1117 | { | |
c906108c | 1118 | #ifdef _LANG_c |
c5aa993b JM |
1119 | case language_c: |
1120 | case language_cplus: | |
1121 | switch (op) | |
1122 | { | |
1123 | case BINOP_DIV: | |
1124 | if (!numeric_type (t1) || !numeric_type (t2)) | |
1125 | type_op_error ("Arguments to %s must be numbers.", op); | |
1126 | break; | |
1127 | } | |
1128 | break; | |
c906108c SS |
1129 | #endif |
1130 | ||
1131 | #ifdef _LANG_m2 | |
c5aa993b JM |
1132 | case language_m2: |
1133 | switch (op) | |
1134 | { | |
1135 | case BINOP_DIV: | |
1136 | if (!float_type (t1) || !float_type (t2)) | |
1137 | type_op_error ("Arguments to %s must be floating point numbers.", op); | |
1138 | break; | |
1139 | case BINOP_INTDIV: | |
1140 | if (!integral_type (t1) || !integral_type (t2)) | |
1141 | type_op_error ("Arguments to %s must be of integral type.", op); | |
1142 | break; | |
1143 | } | |
c906108c SS |
1144 | #endif |
1145 | ||
750ba382 PM |
1146 | #ifdef _LANG_pascal |
1147 | case language_pascal: | |
1148 | switch(op) | |
1149 | { | |
1150 | case BINOP_DIV: | |
1151 | if (!float_type(t1) && !float_type(t2)) | |
1152 | type_op_error ("Arguments to %s must be floating point numbers.",op); | |
1153 | break; | |
1154 | case BINOP_INTDIV: | |
1155 | if (!integral_type(t1) || !integral_type(t2)) | |
1156 | type_op_error ("Arguments to %s must be of integral type.",op); | |
1157 | break; | |
1158 | } | |
1159 | #endif | |
1160 | ||
c906108c | 1161 | #ifdef _LANG_chill |
c5aa993b JM |
1162 | case language_chill: |
1163 | error ("Missing Chill support in function binop_type_check."); /*FIXME */ | |
c906108c SS |
1164 | #endif |
1165 | ||
c5aa993b JM |
1166 | } |
1167 | } | |
c906108c SS |
1168 | } |
1169 | ||
c5aa993b | 1170 | #endif /* 0 */ |
c906108c | 1171 | \f |
c5aa993b | 1172 | |
c906108c SS |
1173 | /* This page contains functions for the printing out of |
1174 | error messages that occur during type- and range- | |
1175 | checking. */ | |
1176 | ||
1177 | /* Prints the format string FMT with the operator as a string | |
1178 | corresponding to the opcode OP. If FATAL is non-zero, then | |
1179 | this is an error and error () is called. Otherwise, it is | |
1180 | a warning and printf() is called. */ | |
1181 | void | |
fba45db2 | 1182 | op_error (char *fmt, enum exp_opcode op, int fatal) |
c906108c | 1183 | { |
c5aa993b JM |
1184 | if (fatal) |
1185 | error (fmt, op_string (op)); | |
1186 | else | |
1187 | { | |
1188 | warning (fmt, op_string (op)); | |
1189 | } | |
c906108c SS |
1190 | } |
1191 | ||
1192 | /* These are called when a language fails a type- or range-check. | |
1193 | The first argument should be a printf()-style format string, and | |
1194 | the rest of the arguments should be its arguments. If | |
1195 | [type|range]_check is [type|range]_check_on, then return_to_top_level() | |
1196 | is called in the style of error (). Otherwise, the message is prefixed | |
1197 | by the value of warning_pre_print and we do not return to the top level. */ | |
1198 | ||
1199 | void | |
c5aa993b | 1200 | type_error (char *string,...) |
c906108c | 1201 | { |
c5aa993b | 1202 | va_list args; |
c5aa993b | 1203 | va_start (args, string); |
c906108c | 1204 | |
c5aa993b JM |
1205 | if (type_check == type_check_warn) |
1206 | fprintf_filtered (gdb_stderr, warning_pre_print); | |
1207 | else | |
1208 | error_begin (); | |
c906108c | 1209 | |
c5aa993b JM |
1210 | vfprintf_filtered (gdb_stderr, string, args); |
1211 | fprintf_filtered (gdb_stderr, "\n"); | |
1212 | va_end (args); | |
1213 | if (type_check == type_check_on) | |
1214 | return_to_top_level (RETURN_ERROR); | |
c906108c SS |
1215 | } |
1216 | ||
1217 | void | |
c5aa993b | 1218 | range_error (char *string,...) |
c906108c | 1219 | { |
c5aa993b | 1220 | va_list args; |
c5aa993b | 1221 | va_start (args, string); |
c906108c | 1222 | |
c5aa993b JM |
1223 | if (range_check == range_check_warn) |
1224 | fprintf_filtered (gdb_stderr, warning_pre_print); | |
1225 | else | |
1226 | error_begin (); | |
c906108c | 1227 | |
c5aa993b JM |
1228 | vfprintf_filtered (gdb_stderr, string, args); |
1229 | fprintf_filtered (gdb_stderr, "\n"); | |
1230 | va_end (args); | |
1231 | if (range_check == range_check_on) | |
1232 | return_to_top_level (RETURN_ERROR); | |
c906108c | 1233 | } |
c906108c | 1234 | \f |
c5aa993b | 1235 | |
c906108c SS |
1236 | /* This page contains miscellaneous functions */ |
1237 | ||
1238 | /* Return the language enum for a given language string. */ | |
1239 | ||
1240 | enum language | |
fba45db2 | 1241 | language_enum (char *str) |
c906108c SS |
1242 | { |
1243 | int i; | |
1244 | ||
c5aa993b | 1245 | for (i = 0; i < languages_size; i++) |
c906108c SS |
1246 | if (STREQ (languages[i]->la_name, str)) |
1247 | return languages[i]->la_language; | |
1248 | ||
1249 | return language_unknown; | |
1250 | } | |
1251 | ||
1252 | /* Return the language struct for a given language enum. */ | |
1253 | ||
1254 | const struct language_defn * | |
fba45db2 | 1255 | language_def (enum language lang) |
c906108c SS |
1256 | { |
1257 | int i; | |
1258 | ||
c5aa993b JM |
1259 | for (i = 0; i < languages_size; i++) |
1260 | { | |
1261 | if (languages[i]->la_language == lang) | |
1262 | { | |
1263 | return languages[i]; | |
1264 | } | |
c906108c | 1265 | } |
c906108c SS |
1266 | return NULL; |
1267 | } | |
1268 | ||
1269 | /* Return the language as a string */ | |
1270 | char * | |
fba45db2 | 1271 | language_str (enum language lang) |
c906108c SS |
1272 | { |
1273 | int i; | |
1274 | ||
c5aa993b JM |
1275 | for (i = 0; i < languages_size; i++) |
1276 | { | |
1277 | if (languages[i]->la_language == lang) | |
1278 | { | |
1279 | return languages[i]->la_name; | |
1280 | } | |
c906108c | 1281 | } |
c906108c SS |
1282 | return "Unknown"; |
1283 | } | |
1284 | ||
1285 | static void | |
fba45db2 | 1286 | set_check (char *ignore, int from_tty) |
c906108c | 1287 | { |
c5aa993b JM |
1288 | printf_unfiltered ( |
1289 | "\"set check\" must be followed by the name of a check subcommand.\n"); | |
1290 | help_list (setchecklist, "set check ", -1, gdb_stdout); | |
c906108c SS |
1291 | } |
1292 | ||
1293 | static void | |
fba45db2 | 1294 | show_check (char *ignore, int from_tty) |
c906108c | 1295 | { |
c5aa993b | 1296 | cmd_show_list (showchecklist, from_tty, ""); |
c906108c SS |
1297 | } |
1298 | \f | |
1299 | /* Add a language to the set of known languages. */ | |
1300 | ||
1301 | void | |
fba45db2 | 1302 | add_language (const struct language_defn *lang) |
c906108c SS |
1303 | { |
1304 | if (lang->la_magic != LANG_MAGIC) | |
1305 | { | |
c5aa993b JM |
1306 | fprintf_unfiltered (gdb_stderr, "Magic number of %s language struct wrong\n", |
1307 | lang->la_name); | |
1308 | abort (); | |
c906108c SS |
1309 | } |
1310 | ||
1311 | if (!languages) | |
1312 | { | |
1313 | languages_allocsize = DEFAULT_ALLOCSIZE; | |
1314 | languages = (const struct language_defn **) xmalloc | |
1315 | (languages_allocsize * sizeof (*languages)); | |
1316 | } | |
1317 | if (languages_size >= languages_allocsize) | |
1318 | { | |
1319 | languages_allocsize *= 2; | |
1320 | languages = (const struct language_defn **) xrealloc ((char *) languages, | |
c5aa993b | 1321 | languages_allocsize * sizeof (*languages)); |
c906108c SS |
1322 | } |
1323 | languages[languages_size++] = lang; | |
1324 | } | |
1325 | ||
1326 | /* Define the language that is no language. */ | |
1327 | ||
1328 | static int | |
fba45db2 | 1329 | unk_lang_parser (void) |
c906108c SS |
1330 | { |
1331 | return 1; | |
1332 | } | |
1333 | ||
1334 | static void | |
fba45db2 | 1335 | unk_lang_error (char *msg) |
c906108c SS |
1336 | { |
1337 | error ("Attempted to parse an expression with unknown language"); | |
1338 | } | |
1339 | ||
1340 | static void | |
fba45db2 | 1341 | unk_lang_emit_char (register int c, struct ui_file *stream, int quoter) |
c906108c SS |
1342 | { |
1343 | error ("internal error - unimplemented function unk_lang_emit_char called."); | |
1344 | } | |
1345 | ||
1346 | static void | |
fba45db2 | 1347 | unk_lang_printchar (register int c, struct ui_file *stream) |
c906108c SS |
1348 | { |
1349 | error ("internal error - unimplemented function unk_lang_printchar called."); | |
1350 | } | |
1351 | ||
1352 | static void | |
fba45db2 KB |
1353 | unk_lang_printstr (struct ui_file *stream, char *string, unsigned int length, |
1354 | int width, int force_ellipses) | |
c906108c SS |
1355 | { |
1356 | error ("internal error - unimplemented function unk_lang_printstr called."); | |
1357 | } | |
1358 | ||
1359 | static struct type * | |
fba45db2 | 1360 | unk_lang_create_fundamental_type (struct objfile *objfile, int typeid) |
c906108c SS |
1361 | { |
1362 | error ("internal error - unimplemented function unk_lang_create_fundamental_type called."); | |
1363 | } | |
1364 | ||
1365 | static void | |
fba45db2 KB |
1366 | unk_lang_print_type (struct type *type, char *varstring, struct ui_file *stream, |
1367 | int show, int level) | |
c906108c SS |
1368 | { |
1369 | error ("internal error - unimplemented function unk_lang_print_type called."); | |
1370 | } | |
1371 | ||
1372 | static int | |
fba45db2 KB |
1373 | unk_lang_val_print (struct type *type, char *valaddr, int embedded_offset, |
1374 | CORE_ADDR address, struct ui_file *stream, int format, | |
1375 | int deref_ref, int recurse, enum val_prettyprint pretty) | |
c906108c SS |
1376 | { |
1377 | error ("internal error - unimplemented function unk_lang_val_print called."); | |
1378 | } | |
1379 | ||
1380 | static int | |
fba45db2 KB |
1381 | unk_lang_value_print (value_ptr val, struct ui_file *stream, int format, |
1382 | enum val_prettyprint pretty) | |
c906108c SS |
1383 | { |
1384 | error ("internal error - unimplemented function unk_lang_value_print called."); | |
1385 | } | |
1386 | ||
c5aa993b JM |
1387 | static struct type **CONST_PTR (unknown_builtin_types[]) = |
1388 | { | |
1389 | 0 | |
1390 | }; | |
1391 | static const struct op_print unk_op_print_tab[] = | |
1392 | { | |
1393 | {NULL, OP_NULL, PREC_NULL, 0} | |
c906108c SS |
1394 | }; |
1395 | ||
c5aa993b JM |
1396 | const struct language_defn unknown_language_defn = |
1397 | { | |
c906108c SS |
1398 | "unknown", |
1399 | language_unknown, | |
1400 | &unknown_builtin_types[0], | |
1401 | range_check_off, | |
1402 | type_check_off, | |
1403 | unk_lang_parser, | |
1404 | unk_lang_error, | |
1405 | evaluate_subexp_standard, | |
1406 | unk_lang_printchar, /* Print character constant */ | |
1407 | unk_lang_printstr, | |
1408 | unk_lang_emit_char, | |
1409 | unk_lang_create_fundamental_type, | |
1410 | unk_lang_print_type, /* Print a type using appropriate syntax */ | |
1411 | unk_lang_val_print, /* Print a value using appropriate syntax */ | |
1412 | unk_lang_value_print, /* Print a top-level value */ | |
c5aa993b JM |
1413 | {"", "", "", ""}, /* Binary format info */ |
1414 | {"0%lo", "0", "o", ""}, /* Octal format info */ | |
1415 | {"%ld", "", "d", ""}, /* Decimal format info */ | |
1416 | {"0x%lx", "0x", "x", ""}, /* Hex format info */ | |
c906108c SS |
1417 | unk_op_print_tab, /* expression operators for printing */ |
1418 | 1, /* c-style arrays */ | |
1419 | 0, /* String lower bound */ | |
c5aa993b | 1420 | &builtin_type_char, /* Type of string elements */ |
c906108c SS |
1421 | LANG_MAGIC |
1422 | }; | |
1423 | ||
1424 | /* These two structs define fake entries for the "local" and "auto" options. */ | |
c5aa993b JM |
1425 | const struct language_defn auto_language_defn = |
1426 | { | |
c906108c SS |
1427 | "auto", |
1428 | language_auto, | |
1429 | &unknown_builtin_types[0], | |
1430 | range_check_off, | |
1431 | type_check_off, | |
1432 | unk_lang_parser, | |
1433 | unk_lang_error, | |
1434 | evaluate_subexp_standard, | |
1435 | unk_lang_printchar, /* Print character constant */ | |
1436 | unk_lang_printstr, | |
1437 | unk_lang_emit_char, | |
1438 | unk_lang_create_fundamental_type, | |
1439 | unk_lang_print_type, /* Print a type using appropriate syntax */ | |
1440 | unk_lang_val_print, /* Print a value using appropriate syntax */ | |
1441 | unk_lang_value_print, /* Print a top-level value */ | |
c5aa993b JM |
1442 | {"", "", "", ""}, /* Binary format info */ |
1443 | {"0%lo", "0", "o", ""}, /* Octal format info */ | |
1444 | {"%ld", "", "d", ""}, /* Decimal format info */ | |
1445 | {"0x%lx", "0x", "x", ""}, /* Hex format info */ | |
c906108c SS |
1446 | unk_op_print_tab, /* expression operators for printing */ |
1447 | 1, /* c-style arrays */ | |
1448 | 0, /* String lower bound */ | |
c5aa993b | 1449 | &builtin_type_char, /* Type of string elements */ |
c906108c SS |
1450 | LANG_MAGIC |
1451 | }; | |
1452 | ||
c5aa993b JM |
1453 | const struct language_defn local_language_defn = |
1454 | { | |
c906108c SS |
1455 | "local", |
1456 | language_auto, | |
1457 | &unknown_builtin_types[0], | |
1458 | range_check_off, | |
1459 | type_check_off, | |
1460 | unk_lang_parser, | |
1461 | unk_lang_error, | |
1462 | evaluate_subexp_standard, | |
1463 | unk_lang_printchar, /* Print character constant */ | |
1464 | unk_lang_printstr, | |
1465 | unk_lang_emit_char, | |
1466 | unk_lang_create_fundamental_type, | |
1467 | unk_lang_print_type, /* Print a type using appropriate syntax */ | |
1468 | unk_lang_val_print, /* Print a value using appropriate syntax */ | |
1469 | unk_lang_value_print, /* Print a top-level value */ | |
c5aa993b JM |
1470 | {"", "", "", ""}, /* Binary format info */ |
1471 | {"0%lo", "0", "o", ""}, /* Octal format info */ | |
1472 | {"%ld", "", "d", ""}, /* Decimal format info */ | |
1473 | {"0x%lx", "0x", "x", ""}, /* Hex format info */ | |
c906108c SS |
1474 | unk_op_print_tab, /* expression operators for printing */ |
1475 | 1, /* c-style arrays */ | |
1476 | 0, /* String lower bound */ | |
c5aa993b | 1477 | &builtin_type_char, /* Type of string elements */ |
c906108c SS |
1478 | LANG_MAGIC |
1479 | }; | |
1480 | \f | |
1481 | /* Initialize the language routines */ | |
1482 | ||
1483 | void | |
fba45db2 | 1484 | _initialize_language (void) |
c906108c | 1485 | { |
c5aa993b JM |
1486 | struct cmd_list_element *set, *show; |
1487 | ||
1488 | /* GDB commands for language specific stuff */ | |
1489 | ||
1490 | set = add_set_cmd ("language", class_support, var_string_noescape, | |
1491 | (char *) &language, | |
1492 | "Set the current source language.", | |
1493 | &setlist); | |
1494 | show = add_show_from_set (set, &showlist); | |
1495 | set->function.cfunc = set_language_command; | |
1496 | show->function.cfunc = show_language_command; | |
1497 | ||
1498 | add_prefix_cmd ("check", no_class, set_check, | |
1499 | "Set the status of the type/range checker", | |
1500 | &setchecklist, "set check ", 0, &setlist); | |
1501 | add_alias_cmd ("c", "check", no_class, 1, &setlist); | |
1502 | add_alias_cmd ("ch", "check", no_class, 1, &setlist); | |
1503 | ||
1504 | add_prefix_cmd ("check", no_class, show_check, | |
1505 | "Show the status of the type/range checker", | |
1506 | &showchecklist, "show check ", 0, &showlist); | |
1507 | add_alias_cmd ("c", "check", no_class, 1, &showlist); | |
1508 | add_alias_cmd ("ch", "check", no_class, 1, &showlist); | |
1509 | ||
1510 | set = add_set_cmd ("type", class_support, var_string_noescape, | |
1511 | (char *) &type, | |
1512 | "Set type checking. (on/warn/off/auto)", | |
1513 | &setchecklist); | |
1514 | show = add_show_from_set (set, &showchecklist); | |
1515 | set->function.cfunc = set_type_command; | |
1516 | show->function.cfunc = show_type_command; | |
1517 | ||
1518 | set = add_set_cmd ("range", class_support, var_string_noescape, | |
1519 | (char *) &range, | |
1520 | "Set range checking. (on/warn/off/auto)", | |
1521 | &setchecklist); | |
1522 | show = add_show_from_set (set, &showchecklist); | |
1523 | set->function.cfunc = set_range_command; | |
1524 | show->function.cfunc = show_range_command; | |
1525 | ||
1526 | add_language (&unknown_language_defn); | |
1527 | add_language (&local_language_defn); | |
1528 | add_language (&auto_language_defn); | |
1529 | ||
1530 | language = savestring ("auto", strlen ("auto")); | |
c5aa993b | 1531 | set_language_command (language, 0); |
ed9a39eb JM |
1532 | |
1533 | type = savestring ("auto", strlen ("auto")); | |
c5aa993b | 1534 | set_type_command (NULL, 0); |
ed9a39eb JM |
1535 | |
1536 | range = savestring ("auto", strlen ("auto")); | |
c5aa993b | 1537 | set_range_command (NULL, 0); |
c906108c | 1538 | } |