Commit | Line | Data |
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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 | |
148 | show_language_command (ignore, from_tty) | |
c5aa993b JM |
149 | char *ignore; |
150 | int from_tty; | |
c906108c | 151 | { |
c5aa993b | 152 | enum language flang; /* The language of the current frame */ |
c906108c | 153 | |
c5aa993b JM |
154 | flang = get_frame_language (); |
155 | if (flang != language_unknown && | |
156 | language_mode == language_mode_manual && | |
157 | current_language->la_language != flang) | |
158 | printf_filtered ("%s\n", lang_frame_mismatch_warn); | |
c906108c SS |
159 | } |
160 | ||
161 | /* Set command. Change the current working language. */ | |
162 | static void | |
163 | set_language_command (ignore, from_tty) | |
c5aa993b JM |
164 | char *ignore; |
165 | 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 | { | |
200 | if (STREQ (languages[i]->la_name, language)) | |
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]; | |
218 | set_type_range (); | |
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)); |
c906108c | 229 | make_cleanup (free, err_lang); /* Free it after error */ |
c5aa993b JM |
230 | set_language (current_language->la_language); |
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 | |
c5aa993b JM |
237 | show_type_command (ignore, from_tty) |
238 | char *ignore; | |
239 | int from_tty; | |
c906108c | 240 | { |
c5aa993b JM |
241 | if (type_check != current_language->la_type_check) |
242 | printf_unfiltered ( | |
243 | "Warning: the current type check setting does not match the language.\n"); | |
c906108c SS |
244 | } |
245 | ||
246 | /* Set command. Change the setting for type checking. */ | |
247 | static void | |
c5aa993b JM |
248 | set_type_command (ignore, from_tty) |
249 | char *ignore; | |
250 | int from_tty; | |
c906108c | 251 | { |
c5aa993b JM |
252 | if (STREQ (type, "on")) |
253 | { | |
c906108c SS |
254 | type_check = type_check_on; |
255 | type_mode = type_mode_manual; | |
c5aa993b JM |
256 | } |
257 | else if (STREQ (type, "warn")) | |
258 | { | |
c906108c SS |
259 | type_check = type_check_warn; |
260 | type_mode = type_mode_manual; | |
c5aa993b JM |
261 | } |
262 | else if (STREQ (type, "off")) | |
263 | { | |
c906108c SS |
264 | type_check = type_check_off; |
265 | type_mode = type_mode_manual; | |
c5aa993b JM |
266 | } |
267 | else if (STREQ (type, "auto")) | |
268 | { | |
c906108c | 269 | type_mode = type_mode_auto; |
c5aa993b | 270 | set_type_range (); |
c906108c SS |
271 | /* Avoid hitting the set_type_str call below. We |
272 | did it in set_type_range. */ | |
273 | return; | |
c5aa993b | 274 | } |
c4093a6a JM |
275 | else |
276 | { | |
277 | warning ("Unrecognized type check setting: \"%s\"", type); | |
278 | } | |
c5aa993b JM |
279 | set_type_str (); |
280 | show_type_command ((char *) NULL, from_tty); | |
c906108c SS |
281 | } |
282 | ||
283 | /* Show command. Display a warning if the range setting does | |
284 | not match the current language. */ | |
285 | static void | |
c5aa993b JM |
286 | show_range_command (ignore, from_tty) |
287 | char *ignore; | |
288 | int from_tty; | |
c906108c SS |
289 | { |
290 | ||
c5aa993b JM |
291 | if (range_check != current_language->la_range_check) |
292 | printf_unfiltered ( | |
293 | "Warning: the current range check setting does not match the language.\n"); | |
c906108c SS |
294 | } |
295 | ||
296 | /* Set command. Change the setting for range checking. */ | |
297 | static void | |
c5aa993b JM |
298 | set_range_command (ignore, from_tty) |
299 | char *ignore; | |
300 | int from_tty; | |
c906108c | 301 | { |
c5aa993b JM |
302 | if (STREQ (range, "on")) |
303 | { | |
c906108c SS |
304 | range_check = range_check_on; |
305 | range_mode = range_mode_manual; | |
c5aa993b JM |
306 | } |
307 | else if (STREQ (range, "warn")) | |
308 | { | |
c906108c SS |
309 | range_check = range_check_warn; |
310 | range_mode = range_mode_manual; | |
c5aa993b JM |
311 | } |
312 | else if (STREQ (range, "off")) | |
313 | { | |
c906108c SS |
314 | range_check = range_check_off; |
315 | range_mode = range_mode_manual; | |
c5aa993b JM |
316 | } |
317 | else if (STREQ (range, "auto")) | |
318 | { | |
c906108c | 319 | range_mode = range_mode_auto; |
c5aa993b | 320 | set_type_range (); |
c906108c | 321 | /* Avoid hitting the set_range_str call below. We |
c5aa993b | 322 | did it in set_type_range. */ |
c906108c | 323 | return; |
c5aa993b | 324 | } |
c4093a6a JM |
325 | else |
326 | { | |
327 | warning ("Unrecognized range check setting: \"%s\"", range); | |
328 | } | |
c5aa993b JM |
329 | set_range_str (); |
330 | show_range_command ((char *) 0, from_tty); | |
c906108c SS |
331 | } |
332 | ||
333 | /* Set the status of range and type checking based on | |
334 | the current modes and the current language. | |
335 | If SHOW is non-zero, then print out the current language, | |
336 | type and range checking status. */ | |
337 | static void | |
c5aa993b | 338 | set_type_range () |
c906108c SS |
339 | { |
340 | ||
341 | if (range_mode == range_mode_auto) | |
342 | range_check = current_language->la_range_check; | |
343 | ||
344 | if (type_mode == type_mode_auto) | |
345 | type_check = current_language->la_type_check; | |
346 | ||
c5aa993b JM |
347 | set_type_str (); |
348 | set_range_str (); | |
c906108c SS |
349 | } |
350 | ||
351 | /* Set current language to (enum language) LANG. Returns previous language. */ | |
352 | ||
353 | enum language | |
c5aa993b JM |
354 | set_language (lang) |
355 | enum language lang; | |
c906108c SS |
356 | { |
357 | int i; | |
358 | enum language prev_language; | |
359 | ||
360 | prev_language = current_language->la_language; | |
361 | ||
c5aa993b JM |
362 | for (i = 0; i < languages_size; i++) |
363 | { | |
364 | if (languages[i]->la_language == lang) | |
365 | { | |
366 | current_language = languages[i]; | |
367 | set_type_range (); | |
368 | set_lang_str (); | |
369 | break; | |
370 | } | |
c906108c | 371 | } |
c906108c SS |
372 | |
373 | return prev_language; | |
374 | } | |
375 | \f | |
376 | /* This page contains functions that update the global vars | |
377 | language, type and range. */ | |
378 | static void | |
c5aa993b | 379 | set_lang_str () |
c906108c | 380 | { |
c5aa993b | 381 | char *prefix = ""; |
c906108c | 382 | |
ccdaf797 PDM |
383 | if (language) |
384 | free (language); | |
c5aa993b JM |
385 | if (language_mode == language_mode_auto) |
386 | prefix = "auto; currently "; | |
c906108c | 387 | |
c5aa993b | 388 | language = concat (prefix, current_language->la_name, NULL); |
c906108c SS |
389 | } |
390 | ||
391 | static void | |
c5aa993b | 392 | set_type_str () |
c906108c | 393 | { |
c4093a6a | 394 | char *tmp = NULL, *prefix = ""; |
c906108c | 395 | |
ccdaf797 PDM |
396 | if (type) |
397 | free (type); | |
c5aa993b JM |
398 | if (type_mode == type_mode_auto) |
399 | prefix = "auto; currently "; | |
c906108c | 400 | |
c5aa993b JM |
401 | switch (type_check) |
402 | { | |
403 | case type_check_on: | |
c906108c SS |
404 | tmp = "on"; |
405 | break; | |
c5aa993b | 406 | case type_check_off: |
c906108c SS |
407 | tmp = "off"; |
408 | break; | |
c5aa993b | 409 | case type_check_warn: |
c906108c SS |
410 | tmp = "warn"; |
411 | break; | |
c5aa993b | 412 | default: |
c906108c | 413 | error ("Unrecognized type check setting."); |
c5aa993b | 414 | } |
c906108c | 415 | |
c5aa993b | 416 | type = concat (prefix, tmp, NULL); |
c906108c SS |
417 | } |
418 | ||
419 | static void | |
c5aa993b | 420 | set_range_str () |
c906108c | 421 | { |
c5aa993b | 422 | char *tmp, *pref = ""; |
c906108c | 423 | |
c5aa993b JM |
424 | if (range_mode == range_mode_auto) |
425 | pref = "auto; currently "; | |
c906108c | 426 | |
c5aa993b JM |
427 | switch (range_check) |
428 | { | |
429 | case range_check_on: | |
c906108c SS |
430 | tmp = "on"; |
431 | break; | |
c5aa993b | 432 | case range_check_off: |
c906108c SS |
433 | tmp = "off"; |
434 | break; | |
c5aa993b | 435 | case range_check_warn: |
c906108c SS |
436 | tmp = "warn"; |
437 | break; | |
c5aa993b | 438 | default: |
c906108c | 439 | error ("Unrecognized range check setting."); |
c5aa993b | 440 | } |
c906108c | 441 | |
ccdaf797 PDM |
442 | if (range) |
443 | free (range); | |
c5aa993b | 444 | range = concat (pref, tmp, NULL); |
c906108c SS |
445 | } |
446 | ||
447 | ||
448 | /* Print out the current language settings: language, range and | |
449 | type checking. If QUIETLY, print only what has changed. */ | |
450 | ||
451 | void | |
452 | language_info (quietly) | |
453 | int quietly; | |
454 | { | |
455 | if (quietly && expected_language == current_language) | |
456 | return; | |
457 | ||
458 | expected_language = current_language; | |
c5aa993b JM |
459 | printf_unfiltered ("Current language: %s\n", language); |
460 | show_language_command ((char *) 0, 1); | |
c906108c SS |
461 | |
462 | if (!quietly) | |
463 | { | |
c5aa993b JM |
464 | printf_unfiltered ("Type checking: %s\n", type); |
465 | show_type_command ((char *) 0, 1); | |
466 | printf_unfiltered ("Range checking: %s\n", range); | |
467 | show_range_command ((char *) 0, 1); | |
c906108c SS |
468 | } |
469 | } | |
470 | \f | |
471 | /* Return the result of a binary operation. */ | |
472 | ||
c5aa993b | 473 | #if 0 /* Currently unused */ |
c906108c SS |
474 | |
475 | struct type * | |
476 | binop_result_type (v1, v2) | |
c5aa993b | 477 | value_ptr v1, v2; |
c906108c | 478 | { |
c5aa993b JM |
479 | int size, uns; |
480 | struct type *t1 = check_typedef (VALUE_TYPE (v1)); | |
481 | struct type *t2 = check_typedef (VALUE_TYPE (v2)); | |
482 | ||
483 | int l1 = TYPE_LENGTH (t1); | |
484 | int l2 = TYPE_LENGTH (t2); | |
485 | ||
486 | switch (current_language->la_language) | |
487 | { | |
488 | case language_c: | |
489 | case language_cplus: | |
490 | if (TYPE_CODE (t1) == TYPE_CODE_FLT) | |
491 | return TYPE_CODE (t2) == TYPE_CODE_FLT && l2 > l1 ? | |
492 | VALUE_TYPE (v2) : VALUE_TYPE (v1); | |
493 | else if (TYPE_CODE (t2) == TYPE_CODE_FLT) | |
494 | return TYPE_CODE (t1) == TYPE_CODE_FLT && l1 > l2 ? | |
495 | VALUE_TYPE (v1) : VALUE_TYPE (v2); | |
496 | else if (TYPE_UNSIGNED (t1) && l1 > l2) | |
497 | return VALUE_TYPE (v1); | |
498 | else if (TYPE_UNSIGNED (t2) && l2 > l1) | |
499 | return VALUE_TYPE (v2); | |
500 | else /* Both are signed. Result is the longer type */ | |
501 | return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2); | |
c906108c | 502 | break; |
c5aa993b | 503 | case language_m2: |
c906108c | 504 | /* If we are doing type-checking, l1 should equal l2, so this is |
c5aa993b JM |
505 | not needed. */ |
506 | return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2); | |
c906108c | 507 | break; |
c5aa993b JM |
508 | case language_chill: |
509 | error ("Missing Chill support in function binop_result_check."); /*FIXME */ | |
510 | } | |
511 | abort (); | |
512 | return (struct type *) 0; /* For lint */ | |
c906108c SS |
513 | } |
514 | ||
c5aa993b | 515 | #endif /* 0 */ |
c906108c | 516 | \f |
c5aa993b | 517 | |
c906108c SS |
518 | /* This page contains functions that return format strings for |
519 | printf for printing out numbers in different formats */ | |
520 | ||
521 | /* Returns the appropriate printf format for hexadecimal | |
522 | numbers. */ | |
523 | char * | |
c5aa993b JM |
524 | local_hex_format_custom (pre) |
525 | char *pre; | |
c906108c | 526 | { |
c5aa993b JM |
527 | static char form[50]; |
528 | ||
529 | strcpy (form, local_hex_format_prefix ()); | |
530 | strcat (form, "%"); | |
531 | strcat (form, pre); | |
532 | strcat (form, local_hex_format_specifier ()); | |
533 | strcat (form, local_hex_format_suffix ()); | |
534 | return form; | |
c906108c SS |
535 | } |
536 | ||
7acb79c8 AC |
537 | #if 0 |
538 | /* FIXME: cagney/2000-03-04: This function does not appear to be used. | |
539 | It can be deleted once 5.0 has been released. */ | |
540 | /* FIXME: cagney/2000-03-04: This code assumes that the compiler | |
541 | supports ``long long''. */ | |
c4093a6a JM |
542 | /* Converts a number to hexadecimal (without leading "0x") and stores it in a |
543 | static string. Returns a pointer to this string. */ | |
544 | ||
545 | char * | |
546 | longest_raw_hex_string (num) | |
547 | LONGEST num; | |
548 | { | |
549 | static char res_longest_raw_hex_string[50]; | |
550 | long long ll = num; /* MERGEBUG ?? see below */ | |
551 | res_longest_raw_hex_string[0] = 0; | |
552 | /* MERGEBUG ?? As a quick fix I am replacing this with sprintf | |
553 | strcat_address_numeric (num, 0, res_longest_raw_hex_string, 50); | |
554 | */ | |
555 | ||
556 | sprintf (res_longest_raw_hex_string, "%llx", ll); | |
557 | return res_longest_raw_hex_string; | |
558 | } | |
7acb79c8 | 559 | #endif |
c4093a6a | 560 | |
c906108c SS |
561 | /* Converts a number to hexadecimal and stores it in a static |
562 | string. Returns a pointer to this string. */ | |
563 | char * | |
564 | local_hex_string (num) | |
c5aa993b | 565 | unsigned long num; |
c906108c | 566 | { |
c5aa993b | 567 | static char res[50]; |
c906108c | 568 | |
c5aa993b JM |
569 | sprintf (res, local_hex_format (), num); |
570 | return res; | |
c906108c SS |
571 | } |
572 | ||
c4093a6a JM |
573 | /* Converts a LONGEST number to hexadecimal and stores it in a static |
574 | string. Returns a pointer to this string. */ | |
575 | char * | |
576 | longest_local_hex_string (num) | |
577 | LONGEST num; | |
578 | { | |
579 | return longest_local_hex_string_custom (num, "l"); | |
580 | } | |
581 | ||
c906108c SS |
582 | /* Converts a number to custom hexadecimal and stores it in a static |
583 | string. Returns a pointer to this string. */ | |
584 | char * | |
c5aa993b JM |
585 | local_hex_string_custom (num, pre) |
586 | unsigned long num; | |
587 | char *pre; | |
c906108c | 588 | { |
c5aa993b | 589 | static char res[50]; |
c906108c | 590 | |
c5aa993b JM |
591 | sprintf (res, local_hex_format_custom (pre), num); |
592 | return res; | |
c906108c SS |
593 | } |
594 | ||
c4093a6a JM |
595 | /* Converts a LONGEST number to custom hexadecimal and stores it in a static |
596 | string. Returns a pointer to this string. Note that the width parameter | |
597 | should end with "l", e.g. "08l" as with calls to local_hex_string_custom */ | |
598 | ||
599 | char * | |
600 | longest_local_hex_string_custom (num, width) | |
601 | LONGEST num; | |
602 | char *width; | |
603 | { | |
604 | #define RESULT_BUF_LEN 50 | |
605 | static char res2[RESULT_BUF_LEN]; | |
606 | char format[RESULT_BUF_LEN]; | |
607 | #if !defined (PRINTF_HAS_LONG_LONG) | |
608 | int field_width; | |
609 | int num_len; | |
610 | int num_pad_chars; | |
611 | char *pad_char; /* string with one character */ | |
612 | int pad_on_left; | |
613 | char *parse_ptr; | |
614 | char temp_nbr_buf[RESULT_BUF_LEN]; | |
615 | #endif | |
616 | ||
617 | #ifndef CC_HAS_LONG_LONG | |
618 | /* If there is no long long, then LONGEST should be just long and we | |
619 | can use local_hex_string_custom | |
620 | */ | |
621 | return local_hex_string_custom ((unsigned long) num, width); | |
392746e5 | 622 | #elif defined (PRINTF_HAS_LONG_LONG) |
c4093a6a JM |
623 | /* Just use printf. */ |
624 | strcpy (format, local_hex_format_prefix ()); /* 0x */ | |
625 | strcat (format, "%"); | |
626 | strcat (format, width); /* e.g. "08l" */ | |
627 | strcat (format, "l"); /* need "ll" for long long */ | |
628 | strcat (format, local_hex_format_specifier ()); /* "x" */ | |
629 | strcat (format, local_hex_format_suffix ()); /* "" */ | |
630 | sprintf (res2, format, num); | |
631 | return res2; | |
632 | #else /* !defined (PRINTF_HAS_LONG_LONG) */ | |
633 | /* Use strcat_address_numeric to print the number into a string, then | |
634 | build the result string from local_hex_format_prefix, padding and | |
635 | the hex representation as indicated by "width". */ | |
636 | ||
637 | temp_nbr_buf[0] = 0; | |
638 | /* With use_local == 0, we don't get the leading "0x" prefix. */ | |
639 | /* MERGEBUG ?? As a quick fix I am replacing this call to | |
640 | strcat_address_numeric with sprintf | |
641 | strcat_address_numeric(num, 0, temp_nbr_buf, RESULT_BUF_LEN); | |
642 | */ | |
643 | ||
644 | { | |
645 | long long ll = num; | |
646 | sprintf (temp_nbr_buf, "%llx", ll); | |
647 | } | |
648 | /* parse width */ | |
649 | parse_ptr = width; | |
650 | pad_on_left = 1; | |
651 | pad_char = " "; | |
652 | if (*parse_ptr == '-') | |
653 | { | |
654 | parse_ptr++; | |
655 | pad_on_left = 0; | |
656 | } | |
657 | if (*parse_ptr == '0') | |
658 | { | |
659 | parse_ptr++; | |
660 | if (pad_on_left) | |
661 | pad_char = "0"; /* If padding is on the right, it is blank */ | |
662 | } | |
663 | field_width = atoi (parse_ptr); | |
664 | num_len = strlen (temp_nbr_buf); | |
665 | num_pad_chars = field_width - strlen (temp_nbr_buf); /* possibly negative */ | |
666 | ||
667 | if (strlen (local_hex_format_prefix ()) + num_len + num_pad_chars | |
668 | < RESULT_BUF_LEN) /* paranoia */ | |
669 | internal_error ("longest_local_hex_string_custom: insufficient space to store result"); | |
670 | ||
671 | strcpy (res2, local_hex_format_prefix ()); | |
672 | if (pad_on_left) | |
673 | { | |
674 | while (num_pad_chars > 0) | |
675 | { | |
676 | strcat (res2, pad_char); | |
677 | num_pad_chars--; | |
678 | } | |
679 | } | |
680 | strcat (res2, temp_nbr_buf); | |
681 | if (!pad_on_left) | |
682 | { | |
683 | while (num_pad_chars > 0) | |
684 | { | |
685 | strcat (res2, pad_char); | |
686 | num_pad_chars--; | |
687 | } | |
688 | } | |
689 | return res2; | |
690 | #endif | |
691 | ||
692 | } /* longest_local_hex_string_custom */ | |
693 | ||
c906108c SS |
694 | /* Returns the appropriate printf format for octal |
695 | numbers. */ | |
696 | char * | |
c5aa993b JM |
697 | local_octal_format_custom (pre) |
698 | char *pre; | |
c906108c | 699 | { |
c5aa993b JM |
700 | static char form[50]; |
701 | ||
702 | strcpy (form, local_octal_format_prefix ()); | |
703 | strcat (form, "%"); | |
704 | strcat (form, pre); | |
705 | strcat (form, local_octal_format_specifier ()); | |
706 | strcat (form, local_octal_format_suffix ()); | |
707 | return form; | |
c906108c SS |
708 | } |
709 | ||
710 | /* Returns the appropriate printf format for decimal numbers. */ | |
711 | char * | |
c5aa993b JM |
712 | local_decimal_format_custom (pre) |
713 | char *pre; | |
c906108c | 714 | { |
c5aa993b JM |
715 | static char form[50]; |
716 | ||
717 | strcpy (form, local_decimal_format_prefix ()); | |
718 | strcat (form, "%"); | |
719 | strcat (form, pre); | |
720 | strcat (form, local_decimal_format_specifier ()); | |
721 | strcat (form, local_decimal_format_suffix ()); | |
722 | return form; | |
c906108c SS |
723 | } |
724 | \f | |
725 | #if 0 | |
726 | /* This page contains functions that are used in type/range checking. | |
727 | They all return zero if the type/range check fails. | |
728 | ||
729 | It is hoped that these will make extending GDB to parse different | |
730 | languages a little easier. These are primarily used in eval.c when | |
731 | evaluating expressions and making sure that their types are correct. | |
732 | Instead of having a mess of conjucted/disjuncted expressions in an "if", | |
733 | the ideas of type can be wrapped up in the following functions. | |
734 | ||
735 | Note that some of them are not currently dependent upon which language | |
736 | is currently being parsed. For example, floats are the same in | |
737 | C and Modula-2 (ie. the only floating point type has TYPE_CODE of | |
738 | TYPE_CODE_FLT), while booleans are different. */ | |
739 | ||
740 | /* Returns non-zero if its argument is a simple type. This is the same for | |
741 | both Modula-2 and for C. In the C case, TYPE_CODE_CHAR will never occur, | |
742 | and thus will never cause the failure of the test. */ | |
743 | int | |
c5aa993b JM |
744 | simple_type (type) |
745 | struct type *type; | |
c906108c SS |
746 | { |
747 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
748 | switch (TYPE_CODE (type)) |
749 | { | |
750 | case TYPE_CODE_INT: | |
751 | case TYPE_CODE_CHAR: | |
752 | case TYPE_CODE_ENUM: | |
753 | case TYPE_CODE_FLT: | |
754 | case TYPE_CODE_RANGE: | |
755 | case TYPE_CODE_BOOL: | |
756 | return 1; | |
c906108c | 757 | |
c5aa993b JM |
758 | default: |
759 | return 0; | |
760 | } | |
c906108c SS |
761 | } |
762 | ||
763 | /* Returns non-zero if its argument is of an ordered type. | |
764 | An ordered type is one in which the elements can be tested for the | |
765 | properties of "greater than", "less than", etc, or for which the | |
766 | operations "increment" or "decrement" make sense. */ | |
767 | int | |
768 | ordered_type (type) | |
c5aa993b | 769 | struct type *type; |
c906108c SS |
770 | { |
771 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
772 | switch (TYPE_CODE (type)) |
773 | { | |
774 | case TYPE_CODE_INT: | |
775 | case TYPE_CODE_CHAR: | |
776 | case TYPE_CODE_ENUM: | |
777 | case TYPE_CODE_FLT: | |
778 | case TYPE_CODE_RANGE: | |
779 | return 1; | |
c906108c | 780 | |
c5aa993b JM |
781 | default: |
782 | return 0; | |
783 | } | |
c906108c SS |
784 | } |
785 | ||
786 | /* Returns non-zero if the two types are the same */ | |
787 | int | |
788 | same_type (arg1, arg2) | |
c5aa993b | 789 | struct type *arg1, *arg2; |
c906108c SS |
790 | { |
791 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
792 | if (structured_type (arg1) ? !structured_type (arg2) : structured_type (arg2)) |
793 | /* One is structured and one isn't */ | |
794 | return 0; | |
795 | else if (structured_type (arg1) && structured_type (arg2)) | |
796 | return arg1 == arg2; | |
797 | else if (numeric_type (arg1) && numeric_type (arg2)) | |
798 | return (TYPE_CODE (arg2) == TYPE_CODE (arg1)) && | |
799 | (TYPE_UNSIGNED (arg1) == TYPE_UNSIGNED (arg2)) | |
800 | ? 1 : 0; | |
801 | else | |
802 | return arg1 == arg2; | |
c906108c SS |
803 | } |
804 | ||
805 | /* Returns non-zero if the type is integral */ | |
806 | int | |
807 | integral_type (type) | |
c5aa993b | 808 | struct type *type; |
c906108c SS |
809 | { |
810 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
811 | switch (current_language->la_language) |
812 | { | |
813 | case language_c: | |
814 | case language_cplus: | |
815 | return (TYPE_CODE (type) != TYPE_CODE_INT) && | |
816 | (TYPE_CODE (type) != TYPE_CODE_ENUM) ? 0 : 1; | |
817 | case language_m2: | |
750ba382 | 818 | case language_pascal: |
c5aa993b JM |
819 | return TYPE_CODE (type) != TYPE_CODE_INT ? 0 : 1; |
820 | case language_chill: | |
821 | error ("Missing Chill support in function integral_type."); /*FIXME */ | |
822 | default: | |
c906108c | 823 | error ("Language not supported."); |
c5aa993b | 824 | } |
c906108c SS |
825 | } |
826 | ||
827 | /* Returns non-zero if the value is numeric */ | |
828 | int | |
829 | numeric_type (type) | |
c5aa993b | 830 | struct type *type; |
c906108c SS |
831 | { |
832 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
833 | switch (TYPE_CODE (type)) |
834 | { | |
835 | case TYPE_CODE_INT: | |
836 | case TYPE_CODE_FLT: | |
837 | return 1; | |
c906108c | 838 | |
c5aa993b JM |
839 | default: |
840 | return 0; | |
841 | } | |
c906108c SS |
842 | } |
843 | ||
844 | /* Returns non-zero if the value is a character type */ | |
845 | int | |
846 | character_type (type) | |
c5aa993b | 847 | struct type *type; |
c906108c SS |
848 | { |
849 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
850 | switch (current_language->la_language) |
851 | { | |
852 | case language_chill: | |
853 | case language_m2: | |
750ba382 | 854 | case language_pascal: |
c5aa993b JM |
855 | return TYPE_CODE (type) != TYPE_CODE_CHAR ? 0 : 1; |
856 | ||
857 | case language_c: | |
858 | case language_cplus: | |
859 | return (TYPE_CODE (type) == TYPE_CODE_INT) && | |
860 | TYPE_LENGTH (type) == sizeof (char) | |
861 | ? 1 : 0; | |
862 | default: | |
c906108c | 863 | return (0); |
c5aa993b | 864 | } |
c906108c SS |
865 | } |
866 | ||
867 | /* Returns non-zero if the value is a string type */ | |
868 | int | |
869 | string_type (type) | |
c5aa993b | 870 | struct type *type; |
c906108c SS |
871 | { |
872 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
873 | switch (current_language->la_language) |
874 | { | |
875 | case language_chill: | |
876 | case language_m2: | |
750ba382 | 877 | case language_pascal: |
c5aa993b JM |
878 | return TYPE_CODE (type) != TYPE_CODE_STRING ? 0 : 1; |
879 | ||
880 | case language_c: | |
881 | case language_cplus: | |
c906108c SS |
882 | /* C does not have distinct string type. */ |
883 | return (0); | |
c5aa993b | 884 | default: |
c906108c | 885 | return (0); |
c5aa993b | 886 | } |
c906108c SS |
887 | } |
888 | ||
889 | /* Returns non-zero if the value is a boolean type */ | |
890 | int | |
891 | boolean_type (type) | |
c5aa993b | 892 | struct type *type; |
c906108c SS |
893 | { |
894 | CHECK_TYPEDEF (type); | |
895 | if (TYPE_CODE (type) == TYPE_CODE_BOOL) | |
896 | return 1; | |
c5aa993b | 897 | switch (current_language->la_language) |
c906108c SS |
898 | { |
899 | case language_c: | |
900 | case language_cplus: | |
901 | /* Might be more cleanly handled by having a TYPE_CODE_INT_NOT_BOOL | |
c5aa993b | 902 | for CHILL and such languages, or a TYPE_CODE_INT_OR_BOOL for C. */ |
c906108c SS |
903 | if (TYPE_CODE (type) == TYPE_CODE_INT) |
904 | return 1; | |
c5aa993b | 905 | default: |
c906108c | 906 | break; |
c5aa993b | 907 | } |
c906108c SS |
908 | return 0; |
909 | } | |
910 | ||
911 | /* Returns non-zero if the value is a floating-point type */ | |
912 | int | |
913 | float_type (type) | |
c5aa993b | 914 | struct type *type; |
c906108c SS |
915 | { |
916 | CHECK_TYPEDEF (type); | |
c5aa993b | 917 | return TYPE_CODE (type) == TYPE_CODE_FLT; |
c906108c SS |
918 | } |
919 | ||
920 | /* Returns non-zero if the value is a pointer type */ | |
921 | int | |
c5aa993b JM |
922 | pointer_type (type) |
923 | struct type *type; | |
c906108c | 924 | { |
c5aa993b JM |
925 | return TYPE_CODE (type) == TYPE_CODE_PTR || |
926 | TYPE_CODE (type) == TYPE_CODE_REF; | |
c906108c SS |
927 | } |
928 | ||
929 | /* Returns non-zero if the value is a structured type */ | |
930 | int | |
c5aa993b JM |
931 | structured_type (type) |
932 | struct type *type; | |
c906108c SS |
933 | { |
934 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
935 | switch (current_language->la_language) |
936 | { | |
937 | case language_c: | |
938 | case language_cplus: | |
939 | return (TYPE_CODE (type) == TYPE_CODE_STRUCT) || | |
940 | (TYPE_CODE (type) == TYPE_CODE_UNION) || | |
941 | (TYPE_CODE (type) == TYPE_CODE_ARRAY); | |
750ba382 PM |
942 | case language_pascal: |
943 | return (TYPE_CODE(type) == TYPE_CODE_STRUCT) || | |
944 | (TYPE_CODE(type) == TYPE_CODE_UNION) || | |
945 | (TYPE_CODE(type) == TYPE_CODE_SET) || | |
946 | (TYPE_CODE(type) == TYPE_CODE_ARRAY); | |
c5aa993b JM |
947 | case language_m2: |
948 | return (TYPE_CODE (type) == TYPE_CODE_STRUCT) || | |
949 | (TYPE_CODE (type) == TYPE_CODE_SET) || | |
950 | (TYPE_CODE (type) == TYPE_CODE_ARRAY); | |
951 | case language_chill: | |
952 | error ("Missing Chill support in function structured_type."); /*FIXME */ | |
953 | default: | |
c906108c | 954 | return (0); |
c5aa993b | 955 | } |
c906108c SS |
956 | } |
957 | #endif | |
958 | \f | |
959 | struct type * | |
960 | lang_bool_type () | |
961 | { | |
962 | struct symbol *sym; | |
963 | struct type *type; | |
c5aa993b | 964 | switch (current_language->la_language) |
c906108c SS |
965 | { |
966 | case language_chill: | |
967 | return builtin_type_chill_bool; | |
968 | case language_fortran: | |
969 | sym = lookup_symbol ("logical", NULL, VAR_NAMESPACE, NULL, NULL); | |
970 | if (sym) | |
971 | { | |
972 | type = SYMBOL_TYPE (sym); | |
973 | if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) | |
974 | return type; | |
975 | } | |
976 | return builtin_type_f_logical_s2; | |
977 | case language_cplus: | |
750ba382 PM |
978 | case language_pascal: |
979 | if (current_language->la_language==language_cplus) | |
980 | {sym = lookup_symbol ("bool", NULL, VAR_NAMESPACE, NULL, NULL);} | |
981 | else | |
982 | {sym = lookup_symbol ("boolean", NULL, VAR_NAMESPACE, NULL, NULL);} | |
c906108c SS |
983 | if (sym) |
984 | { | |
985 | type = SYMBOL_TYPE (sym); | |
986 | if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) | |
987 | return type; | |
988 | } | |
989 | return builtin_type_bool; | |
8caabe69 AG |
990 | case language_java: |
991 | sym = lookup_symbol ("boolean", NULL, VAR_NAMESPACE, NULL, NULL); | |
992 | if (sym) | |
993 | { | |
994 | type = SYMBOL_TYPE (sym); | |
995 | if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) | |
996 | return type; | |
997 | } | |
998 | return java_boolean_type; | |
c906108c SS |
999 | default: |
1000 | return builtin_type_int; | |
1001 | } | |
1002 | } | |
1003 | \f | |
1004 | /* This page contains functions that return info about | |
1005 | (struct value) values used in GDB. */ | |
1006 | ||
1007 | /* Returns non-zero if the value VAL represents a true value. */ | |
1008 | int | |
1009 | value_true (val) | |
1010 | value_ptr val; | |
1011 | { | |
1012 | /* It is possible that we should have some sort of error if a non-boolean | |
1013 | value is used in this context. Possibly dependent on some kind of | |
1014 | "boolean-checking" option like range checking. But it should probably | |
1015 | not depend on the language except insofar as is necessary to identify | |
1016 | a "boolean" value (i.e. in C using a float, pointer, etc., as a boolean | |
1017 | should be an error, probably). */ | |
1018 | return !value_logical_not (val); | |
1019 | } | |
1020 | \f | |
1021 | /* Returns non-zero if the operator OP is defined on | |
1022 | the values ARG1 and ARG2. */ | |
1023 | ||
c5aa993b | 1024 | #if 0 /* Currently unused */ |
c906108c SS |
1025 | |
1026 | void | |
c5aa993b JM |
1027 | binop_type_check (arg1, arg2, op) |
1028 | value_ptr arg1, arg2; | |
1029 | int op; | |
c906108c | 1030 | { |
c5aa993b | 1031 | struct type *t1, *t2; |
c906108c | 1032 | |
c5aa993b JM |
1033 | /* If we're not checking types, always return success. */ |
1034 | if (!STRICT_TYPE) | |
1035 | return; | |
1036 | ||
1037 | t1 = VALUE_TYPE (arg1); | |
1038 | if (arg2 != NULL) | |
1039 | t2 = VALUE_TYPE (arg2); | |
1040 | else | |
1041 | t2 = NULL; | |
c906108c | 1042 | |
c5aa993b JM |
1043 | switch (op) |
1044 | { | |
1045 | case BINOP_ADD: | |
1046 | case BINOP_SUB: | |
1047 | if ((numeric_type (t1) && pointer_type (t2)) || | |
1048 | (pointer_type (t1) && numeric_type (t2))) | |
1049 | { | |
1050 | warning ("combining pointer and integer.\n"); | |
1051 | break; | |
1052 | } | |
1053 | case BINOP_MUL: | |
1054 | case BINOP_LSH: | |
1055 | case BINOP_RSH: | |
1056 | if (!numeric_type (t1) || !numeric_type (t2)) | |
1057 | type_op_error ("Arguments to %s must be numbers.", op); | |
1058 | else if (!same_type (t1, t2)) | |
1059 | type_op_error ("Arguments to %s must be of the same type.", op); | |
c906108c SS |
1060 | break; |
1061 | ||
c5aa993b JM |
1062 | case BINOP_LOGICAL_AND: |
1063 | case BINOP_LOGICAL_OR: | |
1064 | if (!boolean_type (t1) || !boolean_type (t2)) | |
1065 | type_op_error ("Arguments to %s must be of boolean type.", op); | |
c906108c SS |
1066 | break; |
1067 | ||
c5aa993b JM |
1068 | case BINOP_EQUAL: |
1069 | if ((pointer_type (t1) && !(pointer_type (t2) || integral_type (t2))) || | |
1070 | (pointer_type (t2) && !(pointer_type (t1) || integral_type (t1)))) | |
1071 | type_op_error ("A pointer can only be compared to an integer or pointer.", op); | |
1072 | else if ((pointer_type (t1) && integral_type (t2)) || | |
1073 | (integral_type (t1) && pointer_type (t2))) | |
1074 | { | |
1075 | warning ("combining integer and pointer.\n"); | |
1076 | break; | |
1077 | } | |
1078 | else if (!simple_type (t1) || !simple_type (t2)) | |
1079 | type_op_error ("Arguments to %s must be of simple type.", op); | |
1080 | else if (!same_type (t1, t2)) | |
1081 | type_op_error ("Arguments to %s must be of the same type.", op); | |
c906108c SS |
1082 | break; |
1083 | ||
c5aa993b JM |
1084 | case BINOP_REM: |
1085 | case BINOP_MOD: | |
1086 | if (!integral_type (t1) || !integral_type (t2)) | |
1087 | type_op_error ("Arguments to %s must be of integral type.", op); | |
c906108c SS |
1088 | break; |
1089 | ||
c5aa993b JM |
1090 | case BINOP_LESS: |
1091 | case BINOP_GTR: | |
1092 | case BINOP_LEQ: | |
1093 | case BINOP_GEQ: | |
1094 | if (!ordered_type (t1) || !ordered_type (t2)) | |
1095 | type_op_error ("Arguments to %s must be of ordered type.", op); | |
1096 | else if (!same_type (t1, t2)) | |
1097 | type_op_error ("Arguments to %s must be of the same type.", op); | |
c906108c SS |
1098 | break; |
1099 | ||
c5aa993b JM |
1100 | case BINOP_ASSIGN: |
1101 | if (pointer_type (t1) && !integral_type (t2)) | |
1102 | type_op_error ("A pointer can only be assigned an integer.", op); | |
1103 | else if (pointer_type (t1) && integral_type (t2)) | |
1104 | { | |
1105 | warning ("combining integer and pointer."); | |
1106 | break; | |
1107 | } | |
1108 | else if (!simple_type (t1) || !simple_type (t2)) | |
1109 | type_op_error ("Arguments to %s must be of simple type.", op); | |
1110 | else if (!same_type (t1, t2)) | |
1111 | type_op_error ("Arguments to %s must be of the same type.", op); | |
c906108c SS |
1112 | break; |
1113 | ||
1114 | case BINOP_CONCAT: | |
1115 | /* FIXME: Needs to handle bitstrings as well. */ | |
c5aa993b JM |
1116 | if (!(string_type (t1) || character_type (t1) || integral_type (t1)) |
1117 | || !(string_type (t2) || character_type (t2) || integral_type (t2))) | |
1118 | type_op_error ("Arguments to %s must be strings or characters.", op); | |
c906108c SS |
1119 | break; |
1120 | ||
c5aa993b | 1121 | /* Unary checks -- arg2 is null */ |
c906108c | 1122 | |
c5aa993b JM |
1123 | case UNOP_LOGICAL_NOT: |
1124 | if (!boolean_type (t1)) | |
1125 | type_op_error ("Argument to %s must be of boolean type.", op); | |
c906108c SS |
1126 | break; |
1127 | ||
c5aa993b JM |
1128 | case UNOP_PLUS: |
1129 | case UNOP_NEG: | |
1130 | if (!numeric_type (t1)) | |
1131 | type_op_error ("Argument to %s must be of numeric type.", op); | |
c906108c SS |
1132 | break; |
1133 | ||
c5aa993b JM |
1134 | case UNOP_IND: |
1135 | if (integral_type (t1)) | |
1136 | { | |
1137 | warning ("combining pointer and integer.\n"); | |
1138 | break; | |
1139 | } | |
1140 | else if (!pointer_type (t1)) | |
1141 | type_op_error ("Argument to %s must be a pointer.", op); | |
c906108c SS |
1142 | break; |
1143 | ||
c5aa993b JM |
1144 | case UNOP_PREINCREMENT: |
1145 | case UNOP_POSTINCREMENT: | |
1146 | case UNOP_PREDECREMENT: | |
1147 | case UNOP_POSTDECREMENT: | |
1148 | if (!ordered_type (t1)) | |
1149 | type_op_error ("Argument to %s must be of an ordered type.", op); | |
c906108c SS |
1150 | break; |
1151 | ||
c5aa993b | 1152 | default: |
c906108c | 1153 | /* Ok. The following operators have different meanings in |
c5aa993b JM |
1154 | different languages. */ |
1155 | switch (current_language->la_language) | |
1156 | { | |
c906108c | 1157 | #ifdef _LANG_c |
c5aa993b JM |
1158 | case language_c: |
1159 | case language_cplus: | |
1160 | switch (op) | |
1161 | { | |
1162 | case BINOP_DIV: | |
1163 | if (!numeric_type (t1) || !numeric_type (t2)) | |
1164 | type_op_error ("Arguments to %s must be numbers.", op); | |
1165 | break; | |
1166 | } | |
1167 | break; | |
c906108c SS |
1168 | #endif |
1169 | ||
1170 | #ifdef _LANG_m2 | |
c5aa993b JM |
1171 | case language_m2: |
1172 | switch (op) | |
1173 | { | |
1174 | case BINOP_DIV: | |
1175 | if (!float_type (t1) || !float_type (t2)) | |
1176 | type_op_error ("Arguments to %s must be floating point numbers.", op); | |
1177 | break; | |
1178 | case BINOP_INTDIV: | |
1179 | if (!integral_type (t1) || !integral_type (t2)) | |
1180 | type_op_error ("Arguments to %s must be of integral type.", op); | |
1181 | break; | |
1182 | } | |
c906108c SS |
1183 | #endif |
1184 | ||
750ba382 PM |
1185 | #ifdef _LANG_pascal |
1186 | case language_pascal: | |
1187 | switch(op) | |
1188 | { | |
1189 | case BINOP_DIV: | |
1190 | if (!float_type(t1) && !float_type(t2)) | |
1191 | type_op_error ("Arguments to %s must be floating point numbers.",op); | |
1192 | break; | |
1193 | case BINOP_INTDIV: | |
1194 | if (!integral_type(t1) || !integral_type(t2)) | |
1195 | type_op_error ("Arguments to %s must be of integral type.",op); | |
1196 | break; | |
1197 | } | |
1198 | #endif | |
1199 | ||
c906108c | 1200 | #ifdef _LANG_chill |
c5aa993b JM |
1201 | case language_chill: |
1202 | error ("Missing Chill support in function binop_type_check."); /*FIXME */ | |
c906108c SS |
1203 | #endif |
1204 | ||
c5aa993b JM |
1205 | } |
1206 | } | |
c906108c SS |
1207 | } |
1208 | ||
c5aa993b | 1209 | #endif /* 0 */ |
c906108c | 1210 | \f |
c5aa993b | 1211 | |
c906108c SS |
1212 | /* This page contains functions for the printing out of |
1213 | error messages that occur during type- and range- | |
1214 | checking. */ | |
1215 | ||
1216 | /* Prints the format string FMT with the operator as a string | |
1217 | corresponding to the opcode OP. If FATAL is non-zero, then | |
1218 | this is an error and error () is called. Otherwise, it is | |
1219 | a warning and printf() is called. */ | |
1220 | void | |
c5aa993b JM |
1221 | op_error (fmt, op, fatal) |
1222 | char *fmt; | |
1223 | enum exp_opcode op; | |
1224 | int fatal; | |
c906108c | 1225 | { |
c5aa993b JM |
1226 | if (fatal) |
1227 | error (fmt, op_string (op)); | |
1228 | else | |
1229 | { | |
1230 | warning (fmt, op_string (op)); | |
1231 | } | |
c906108c SS |
1232 | } |
1233 | ||
1234 | /* These are called when a language fails a type- or range-check. | |
1235 | The first argument should be a printf()-style format string, and | |
1236 | the rest of the arguments should be its arguments. If | |
1237 | [type|range]_check is [type|range]_check_on, then return_to_top_level() | |
1238 | is called in the style of error (). Otherwise, the message is prefixed | |
1239 | by the value of warning_pre_print and we do not return to the top level. */ | |
1240 | ||
1241 | void | |
c5aa993b | 1242 | type_error (char *string,...) |
c906108c | 1243 | { |
c5aa993b | 1244 | va_list args; |
c5aa993b | 1245 | va_start (args, string); |
c906108c | 1246 | |
c5aa993b JM |
1247 | if (type_check == type_check_warn) |
1248 | fprintf_filtered (gdb_stderr, warning_pre_print); | |
1249 | else | |
1250 | error_begin (); | |
c906108c | 1251 | |
c5aa993b JM |
1252 | vfprintf_filtered (gdb_stderr, string, args); |
1253 | fprintf_filtered (gdb_stderr, "\n"); | |
1254 | va_end (args); | |
1255 | if (type_check == type_check_on) | |
1256 | return_to_top_level (RETURN_ERROR); | |
c906108c SS |
1257 | } |
1258 | ||
1259 | void | |
c5aa993b | 1260 | range_error (char *string,...) |
c906108c | 1261 | { |
c5aa993b | 1262 | va_list args; |
c5aa993b | 1263 | va_start (args, string); |
c906108c | 1264 | |
c5aa993b JM |
1265 | if (range_check == range_check_warn) |
1266 | fprintf_filtered (gdb_stderr, warning_pre_print); | |
1267 | else | |
1268 | error_begin (); | |
c906108c | 1269 | |
c5aa993b JM |
1270 | vfprintf_filtered (gdb_stderr, string, args); |
1271 | fprintf_filtered (gdb_stderr, "\n"); | |
1272 | va_end (args); | |
1273 | if (range_check == range_check_on) | |
1274 | return_to_top_level (RETURN_ERROR); | |
c906108c | 1275 | } |
c906108c | 1276 | \f |
c5aa993b | 1277 | |
c906108c SS |
1278 | /* This page contains miscellaneous functions */ |
1279 | ||
1280 | /* Return the language enum for a given language string. */ | |
1281 | ||
1282 | enum language | |
1283 | language_enum (str) | |
1284 | char *str; | |
1285 | { | |
1286 | int i; | |
1287 | ||
c5aa993b | 1288 | for (i = 0; i < languages_size; i++) |
c906108c SS |
1289 | if (STREQ (languages[i]->la_name, str)) |
1290 | return languages[i]->la_language; | |
1291 | ||
1292 | return language_unknown; | |
1293 | } | |
1294 | ||
1295 | /* Return the language struct for a given language enum. */ | |
1296 | ||
1297 | const struct language_defn * | |
c5aa993b JM |
1298 | language_def (lang) |
1299 | enum language lang; | |
c906108c SS |
1300 | { |
1301 | int i; | |
1302 | ||
c5aa993b JM |
1303 | for (i = 0; i < languages_size; i++) |
1304 | { | |
1305 | if (languages[i]->la_language == lang) | |
1306 | { | |
1307 | return languages[i]; | |
1308 | } | |
c906108c | 1309 | } |
c906108c SS |
1310 | return NULL; |
1311 | } | |
1312 | ||
1313 | /* Return the language as a string */ | |
1314 | char * | |
c5aa993b JM |
1315 | language_str (lang) |
1316 | enum language lang; | |
c906108c SS |
1317 | { |
1318 | int i; | |
1319 | ||
c5aa993b JM |
1320 | for (i = 0; i < languages_size; i++) |
1321 | { | |
1322 | if (languages[i]->la_language == lang) | |
1323 | { | |
1324 | return languages[i]->la_name; | |
1325 | } | |
c906108c | 1326 | } |
c906108c SS |
1327 | return "Unknown"; |
1328 | } | |
1329 | ||
1330 | static void | |
1331 | set_check (ignore, from_tty) | |
c5aa993b JM |
1332 | char *ignore; |
1333 | int from_tty; | |
c906108c | 1334 | { |
c5aa993b JM |
1335 | printf_unfiltered ( |
1336 | "\"set check\" must be followed by the name of a check subcommand.\n"); | |
1337 | help_list (setchecklist, "set check ", -1, gdb_stdout); | |
c906108c SS |
1338 | } |
1339 | ||
1340 | static void | |
1341 | show_check (ignore, from_tty) | |
c5aa993b JM |
1342 | char *ignore; |
1343 | int from_tty; | |
c906108c | 1344 | { |
c5aa993b | 1345 | cmd_show_list (showchecklist, from_tty, ""); |
c906108c SS |
1346 | } |
1347 | \f | |
1348 | /* Add a language to the set of known languages. */ | |
1349 | ||
1350 | void | |
1351 | add_language (lang) | |
1352 | const struct language_defn *lang; | |
1353 | { | |
1354 | if (lang->la_magic != LANG_MAGIC) | |
1355 | { | |
c5aa993b JM |
1356 | fprintf_unfiltered (gdb_stderr, "Magic number of %s language struct wrong\n", |
1357 | lang->la_name); | |
1358 | abort (); | |
c906108c SS |
1359 | } |
1360 | ||
1361 | if (!languages) | |
1362 | { | |
1363 | languages_allocsize = DEFAULT_ALLOCSIZE; | |
1364 | languages = (const struct language_defn **) xmalloc | |
1365 | (languages_allocsize * sizeof (*languages)); | |
1366 | } | |
1367 | if (languages_size >= languages_allocsize) | |
1368 | { | |
1369 | languages_allocsize *= 2; | |
1370 | languages = (const struct language_defn **) xrealloc ((char *) languages, | |
c5aa993b | 1371 | languages_allocsize * sizeof (*languages)); |
c906108c SS |
1372 | } |
1373 | languages[languages_size++] = lang; | |
1374 | } | |
1375 | ||
1376 | /* Define the language that is no language. */ | |
1377 | ||
1378 | static int | |
1379 | unk_lang_parser () | |
1380 | { | |
1381 | return 1; | |
1382 | } | |
1383 | ||
1384 | static void | |
1385 | unk_lang_error (msg) | |
1386 | char *msg; | |
1387 | { | |
1388 | error ("Attempted to parse an expression with unknown language"); | |
1389 | } | |
1390 | ||
1391 | static void | |
1392 | unk_lang_emit_char (c, stream, quoter) | |
1393 | register int c; | |
d9fcf2fb | 1394 | struct ui_file *stream; |
c906108c SS |
1395 | int quoter; |
1396 | { | |
1397 | error ("internal error - unimplemented function unk_lang_emit_char called."); | |
1398 | } | |
1399 | ||
1400 | static void | |
1401 | unk_lang_printchar (c, stream) | |
1402 | register int c; | |
d9fcf2fb | 1403 | struct ui_file *stream; |
c906108c SS |
1404 | { |
1405 | error ("internal error - unimplemented function unk_lang_printchar called."); | |
1406 | } | |
1407 | ||
1408 | static void | |
1409 | unk_lang_printstr (stream, string, length, width, force_ellipses) | |
d9fcf2fb | 1410 | struct ui_file *stream; |
c906108c SS |
1411 | char *string; |
1412 | unsigned int length; | |
1413 | int width; | |
1414 | int force_ellipses; | |
1415 | { | |
1416 | error ("internal error - unimplemented function unk_lang_printstr called."); | |
1417 | } | |
1418 | ||
1419 | static struct type * | |
1420 | unk_lang_create_fundamental_type (objfile, typeid) | |
1421 | struct objfile *objfile; | |
1422 | int typeid; | |
1423 | { | |
1424 | error ("internal error - unimplemented function unk_lang_create_fundamental_type called."); | |
1425 | } | |
1426 | ||
1427 | static void | |
1428 | unk_lang_print_type (type, varstring, stream, show, level) | |
1429 | struct type *type; | |
1430 | char *varstring; | |
d9fcf2fb | 1431 | struct ui_file *stream; |
c906108c SS |
1432 | int show; |
1433 | int level; | |
1434 | { | |
1435 | error ("internal error - unimplemented function unk_lang_print_type called."); | |
1436 | } | |
1437 | ||
1438 | static int | |
c5aa993b | 1439 | unk_lang_val_print (type, valaddr, embedded_offset, address, stream, format, deref_ref, |
c906108c SS |
1440 | recurse, pretty) |
1441 | struct type *type; | |
1442 | char *valaddr; | |
1443 | int embedded_offset; | |
1444 | CORE_ADDR address; | |
d9fcf2fb | 1445 | struct ui_file *stream; |
c906108c SS |
1446 | int format; |
1447 | int deref_ref; | |
1448 | int recurse; | |
1449 | enum val_prettyprint pretty; | |
1450 | { | |
1451 | error ("internal error - unimplemented function unk_lang_val_print called."); | |
1452 | } | |
1453 | ||
1454 | static int | |
1455 | unk_lang_value_print (val, stream, format, pretty) | |
1456 | value_ptr val; | |
d9fcf2fb | 1457 | struct ui_file *stream; |
c906108c SS |
1458 | int format; |
1459 | enum val_prettyprint pretty; | |
1460 | { | |
1461 | error ("internal error - unimplemented function unk_lang_value_print called."); | |
1462 | } | |
1463 | ||
c5aa993b JM |
1464 | static struct type **CONST_PTR (unknown_builtin_types[]) = |
1465 | { | |
1466 | 0 | |
1467 | }; | |
1468 | static const struct op_print unk_op_print_tab[] = | |
1469 | { | |
1470 | {NULL, OP_NULL, PREC_NULL, 0} | |
c906108c SS |
1471 | }; |
1472 | ||
c5aa993b JM |
1473 | const struct language_defn unknown_language_defn = |
1474 | { | |
c906108c SS |
1475 | "unknown", |
1476 | language_unknown, | |
1477 | &unknown_builtin_types[0], | |
1478 | range_check_off, | |
1479 | type_check_off, | |
1480 | unk_lang_parser, | |
1481 | unk_lang_error, | |
1482 | evaluate_subexp_standard, | |
1483 | unk_lang_printchar, /* Print character constant */ | |
1484 | unk_lang_printstr, | |
1485 | unk_lang_emit_char, | |
1486 | unk_lang_create_fundamental_type, | |
1487 | unk_lang_print_type, /* Print a type using appropriate syntax */ | |
1488 | unk_lang_val_print, /* Print a value using appropriate syntax */ | |
1489 | unk_lang_value_print, /* Print a top-level value */ | |
c5aa993b JM |
1490 | {"", "", "", ""}, /* Binary format info */ |
1491 | {"0%lo", "0", "o", ""}, /* Octal format info */ | |
1492 | {"%ld", "", "d", ""}, /* Decimal format info */ | |
1493 | {"0x%lx", "0x", "x", ""}, /* Hex format info */ | |
c906108c SS |
1494 | unk_op_print_tab, /* expression operators for printing */ |
1495 | 1, /* c-style arrays */ | |
1496 | 0, /* String lower bound */ | |
c5aa993b | 1497 | &builtin_type_char, /* Type of string elements */ |
c906108c SS |
1498 | LANG_MAGIC |
1499 | }; | |
1500 | ||
1501 | /* These two structs define fake entries for the "local" and "auto" options. */ | |
c5aa993b JM |
1502 | const struct language_defn auto_language_defn = |
1503 | { | |
c906108c SS |
1504 | "auto", |
1505 | language_auto, | |
1506 | &unknown_builtin_types[0], | |
1507 | range_check_off, | |
1508 | type_check_off, | |
1509 | unk_lang_parser, | |
1510 | unk_lang_error, | |
1511 | evaluate_subexp_standard, | |
1512 | unk_lang_printchar, /* Print character constant */ | |
1513 | unk_lang_printstr, | |
1514 | unk_lang_emit_char, | |
1515 | unk_lang_create_fundamental_type, | |
1516 | unk_lang_print_type, /* Print a type using appropriate syntax */ | |
1517 | unk_lang_val_print, /* Print a value using appropriate syntax */ | |
1518 | unk_lang_value_print, /* Print a top-level value */ | |
c5aa993b JM |
1519 | {"", "", "", ""}, /* Binary format info */ |
1520 | {"0%lo", "0", "o", ""}, /* Octal format info */ | |
1521 | {"%ld", "", "d", ""}, /* Decimal format info */ | |
1522 | {"0x%lx", "0x", "x", ""}, /* Hex format info */ | |
c906108c SS |
1523 | unk_op_print_tab, /* expression operators for printing */ |
1524 | 1, /* c-style arrays */ | |
1525 | 0, /* String lower bound */ | |
c5aa993b | 1526 | &builtin_type_char, /* Type of string elements */ |
c906108c SS |
1527 | LANG_MAGIC |
1528 | }; | |
1529 | ||
c5aa993b JM |
1530 | const struct language_defn local_language_defn = |
1531 | { | |
c906108c SS |
1532 | "local", |
1533 | language_auto, | |
1534 | &unknown_builtin_types[0], | |
1535 | range_check_off, | |
1536 | type_check_off, | |
1537 | unk_lang_parser, | |
1538 | unk_lang_error, | |
1539 | evaluate_subexp_standard, | |
1540 | unk_lang_printchar, /* Print character constant */ | |
1541 | unk_lang_printstr, | |
1542 | unk_lang_emit_char, | |
1543 | unk_lang_create_fundamental_type, | |
1544 | unk_lang_print_type, /* Print a type using appropriate syntax */ | |
1545 | unk_lang_val_print, /* Print a value using appropriate syntax */ | |
1546 | unk_lang_value_print, /* Print a top-level value */ | |
c5aa993b JM |
1547 | {"", "", "", ""}, /* Binary format info */ |
1548 | {"0%lo", "0", "o", ""}, /* Octal format info */ | |
1549 | {"%ld", "", "d", ""}, /* Decimal format info */ | |
1550 | {"0x%lx", "0x", "x", ""}, /* Hex format info */ | |
c906108c SS |
1551 | unk_op_print_tab, /* expression operators for printing */ |
1552 | 1, /* c-style arrays */ | |
1553 | 0, /* String lower bound */ | |
c5aa993b | 1554 | &builtin_type_char, /* Type of string elements */ |
c906108c SS |
1555 | LANG_MAGIC |
1556 | }; | |
1557 | \f | |
1558 | /* Initialize the language routines */ | |
1559 | ||
1560 | void | |
c5aa993b | 1561 | _initialize_language () |
c906108c | 1562 | { |
c5aa993b JM |
1563 | struct cmd_list_element *set, *show; |
1564 | ||
1565 | /* GDB commands for language specific stuff */ | |
1566 | ||
1567 | set = add_set_cmd ("language", class_support, var_string_noescape, | |
1568 | (char *) &language, | |
1569 | "Set the current source language.", | |
1570 | &setlist); | |
1571 | show = add_show_from_set (set, &showlist); | |
1572 | set->function.cfunc = set_language_command; | |
1573 | show->function.cfunc = show_language_command; | |
1574 | ||
1575 | add_prefix_cmd ("check", no_class, set_check, | |
1576 | "Set the status of the type/range checker", | |
1577 | &setchecklist, "set check ", 0, &setlist); | |
1578 | add_alias_cmd ("c", "check", no_class, 1, &setlist); | |
1579 | add_alias_cmd ("ch", "check", no_class, 1, &setlist); | |
1580 | ||
1581 | add_prefix_cmd ("check", no_class, show_check, | |
1582 | "Show the status of the type/range checker", | |
1583 | &showchecklist, "show check ", 0, &showlist); | |
1584 | add_alias_cmd ("c", "check", no_class, 1, &showlist); | |
1585 | add_alias_cmd ("ch", "check", no_class, 1, &showlist); | |
1586 | ||
1587 | set = add_set_cmd ("type", class_support, var_string_noescape, | |
1588 | (char *) &type, | |
1589 | "Set type checking. (on/warn/off/auto)", | |
1590 | &setchecklist); | |
1591 | show = add_show_from_set (set, &showchecklist); | |
1592 | set->function.cfunc = set_type_command; | |
1593 | show->function.cfunc = show_type_command; | |
1594 | ||
1595 | set = add_set_cmd ("range", class_support, var_string_noescape, | |
1596 | (char *) &range, | |
1597 | "Set range checking. (on/warn/off/auto)", | |
1598 | &setchecklist); | |
1599 | show = add_show_from_set (set, &showchecklist); | |
1600 | set->function.cfunc = set_range_command; | |
1601 | show->function.cfunc = show_range_command; | |
1602 | ||
1603 | add_language (&unknown_language_defn); | |
1604 | add_language (&local_language_defn); | |
1605 | add_language (&auto_language_defn); | |
1606 | ||
1607 | language = savestring ("auto", strlen ("auto")); | |
c5aa993b | 1608 | set_language_command (language, 0); |
ed9a39eb JM |
1609 | |
1610 | type = savestring ("auto", strlen ("auto")); | |
c5aa993b | 1611 | set_type_command (NULL, 0); |
ed9a39eb JM |
1612 | |
1613 | range = savestring ("auto", strlen ("auto")); | |
c5aa993b | 1614 | set_range_command (NULL, 0); |
c906108c | 1615 | } |