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 | |
63872f9d JG |
60 | static void show_case_command (char *, int); |
61 | ||
62 | static void set_case_command (char *, int); | |
63 | ||
64 | static void set_case_str (void); | |
65 | ||
a14ed312 | 66 | static void set_range_str (void); |
c906108c | 67 | |
a14ed312 | 68 | static void set_type_str (void); |
c906108c | 69 | |
a14ed312 | 70 | static void set_lang_str (void); |
c906108c | 71 | |
a14ed312 | 72 | static void unk_lang_error (char *); |
c906108c | 73 | |
a14ed312 | 74 | static int unk_lang_parser (void); |
c906108c | 75 | |
a14ed312 | 76 | static void show_check (char *, int); |
c906108c | 77 | |
a14ed312 | 78 | static void set_check (char *, int); |
c906108c | 79 | |
63872f9d | 80 | static void set_type_range_case (void); |
c906108c | 81 | |
d9fcf2fb | 82 | static void unk_lang_emit_char (int c, struct ui_file *stream, int quoter); |
c906108c | 83 | |
d9fcf2fb | 84 | static void unk_lang_printchar (int c, struct ui_file *stream); |
c906108c | 85 | |
d9fcf2fb JM |
86 | static void unk_lang_printstr (struct ui_file * stream, char *string, |
87 | unsigned int length, int width, | |
88 | int force_ellipses); | |
c906108c | 89 | |
a14ed312 | 90 | static struct type *unk_lang_create_fundamental_type (struct objfile *, int); |
c906108c | 91 | |
d9fcf2fb JM |
92 | static void unk_lang_print_type (struct type *, char *, struct ui_file *, |
93 | int, int); | |
c906108c | 94 | |
d9fcf2fb JM |
95 | static int unk_lang_val_print (struct type *, char *, int, CORE_ADDR, |
96 | struct ui_file *, int, int, int, | |
97 | enum val_prettyprint); | |
c906108c | 98 | |
d9fcf2fb | 99 | static int unk_lang_value_print (value_ptr, struct ui_file *, int, enum val_prettyprint); |
c906108c SS |
100 | |
101 | /* Forward declaration */ | |
102 | extern const struct language_defn unknown_language_defn; | |
103 | extern char *warning_pre_print; | |
c5aa993b | 104 | |
c906108c | 105 | /* The current (default at startup) state of type and range checking. |
c5aa993b JM |
106 | (If the modes are set to "auto", though, these are changed based |
107 | on the default language at startup, and then again based on the | |
108 | language of the first source file. */ | |
c906108c SS |
109 | |
110 | enum range_mode range_mode = range_mode_auto; | |
111 | enum range_check range_check = range_check_off; | |
112 | enum type_mode type_mode = type_mode_auto; | |
113 | enum type_check type_check = type_check_off; | |
63872f9d JG |
114 | enum case_mode case_mode = case_mode_auto; |
115 | enum case_sensitivity case_sensitivity = case_sensitive_on; | |
c906108c SS |
116 | |
117 | /* The current language and language_mode (see language.h) */ | |
118 | ||
119 | const struct language_defn *current_language = &unknown_language_defn; | |
120 | enum language_mode language_mode = language_mode_auto; | |
121 | ||
122 | /* The language that the user expects to be typing in (the language | |
123 | of main(), or the last language we notified them about, or C). */ | |
124 | ||
125 | const struct language_defn *expected_language; | |
126 | ||
127 | /* The list of supported languages. The list itself is malloc'd. */ | |
128 | ||
129 | static const struct language_defn **languages; | |
130 | static unsigned languages_size; | |
131 | static unsigned languages_allocsize; | |
132 | #define DEFAULT_ALLOCSIZE 4 | |
133 | ||
134 | /* The "set language/type/range" commands all put stuff in these | |
135 | buffers. This is to make them work as set/show commands. The | |
136 | user's string is copied here, then the set_* commands look at | |
137 | them and update them to something that looks nice when it is | |
138 | printed out. */ | |
139 | ||
140 | static char *language; | |
141 | static char *type; | |
142 | static char *range; | |
63872f9d | 143 | static char *case_sensitive; |
c906108c SS |
144 | |
145 | /* Warning issued when current_language and the language of the current | |
146 | frame do not match. */ | |
147 | char lang_frame_mismatch_warn[] = | |
c5aa993b | 148 | "Warning: the current language does not match this frame."; |
c906108c | 149 | \f |
c5aa993b | 150 | |
c906108c SS |
151 | /* This page contains the functions corresponding to GDB commands |
152 | and their helpers. */ | |
153 | ||
154 | /* Show command. Display a warning if the language set | |
155 | does not match the frame. */ | |
156 | static void | |
fba45db2 | 157 | show_language_command (char *ignore, int from_tty) |
c906108c | 158 | { |
c5aa993b | 159 | enum language flang; /* The language of the current frame */ |
c906108c | 160 | |
c5aa993b JM |
161 | flang = get_frame_language (); |
162 | if (flang != language_unknown && | |
163 | language_mode == language_mode_manual && | |
164 | current_language->la_language != flang) | |
165 | printf_filtered ("%s\n", lang_frame_mismatch_warn); | |
c906108c SS |
166 | } |
167 | ||
168 | /* Set command. Change the current working language. */ | |
169 | static void | |
fba45db2 | 170 | set_language_command (char *ignore, int from_tty) |
c906108c SS |
171 | { |
172 | int i; | |
173 | enum language flang; | |
174 | char *err_lang; | |
175 | ||
176 | if (!language || !language[0]) | |
177 | { | |
c5aa993b | 178 | printf_unfiltered ("The currently understood settings are:\n\n"); |
c906108c SS |
179 | printf_unfiltered ("local or auto Automatic setting based on source file\n"); |
180 | ||
181 | for (i = 0; i < languages_size; ++i) | |
182 | { | |
183 | /* Already dealt with these above. */ | |
184 | if (languages[i]->la_language == language_unknown | |
185 | || languages[i]->la_language == language_auto) | |
186 | continue; | |
187 | ||
188 | /* FIXME for now assume that the human-readable name is just | |
189 | a capitalization of the internal name. */ | |
190 | printf_unfiltered ("%-16s Use the %c%s language\n", | |
191 | languages[i]->la_name, | |
c5aa993b JM |
192 | /* Capitalize first letter of language |
193 | name. */ | |
c906108c SS |
194 | toupper (languages[i]->la_name[0]), |
195 | languages[i]->la_name + 1); | |
196 | } | |
197 | /* Restore the silly string. */ | |
c5aa993b | 198 | set_language (current_language->la_language); |
c906108c SS |
199 | return; |
200 | } | |
201 | ||
202 | /* Search the list of languages for a match. */ | |
c5aa993b JM |
203 | for (i = 0; i < languages_size; i++) |
204 | { | |
205 | if (STREQ (languages[i]->la_name, language)) | |
206 | { | |
207 | /* Found it! Go into manual mode, and use this language. */ | |
208 | if (languages[i]->la_language == language_auto) | |
209 | { | |
210 | /* Enter auto mode. Set to the current frame's language, if known. */ | |
211 | language_mode = language_mode_auto; | |
212 | flang = get_frame_language (); | |
213 | if (flang != language_unknown) | |
214 | set_language (flang); | |
215 | expected_language = current_language; | |
216 | return; | |
217 | } | |
218 | else | |
219 | { | |
220 | /* Enter manual mode. Set the specified language. */ | |
221 | language_mode = language_mode_manual; | |
222 | current_language = languages[i]; | |
63872f9d | 223 | set_type_range_case (); |
c5aa993b JM |
224 | set_lang_str (); |
225 | expected_language = current_language; | |
226 | return; | |
227 | } | |
228 | } | |
c906108c | 229 | } |
c906108c SS |
230 | |
231 | /* Reset the language (esp. the global string "language") to the | |
232 | correct values. */ | |
c5aa993b | 233 | err_lang = savestring (language, strlen (language)); |
b8c9b27d | 234 | make_cleanup (xfree, err_lang); /* Free it after error */ |
c5aa993b JM |
235 | set_language (current_language->la_language); |
236 | error ("Unknown language `%s'.", err_lang); | |
c906108c SS |
237 | } |
238 | ||
239 | /* Show command. Display a warning if the type setting does | |
240 | not match the current language. */ | |
241 | static void | |
fba45db2 | 242 | show_type_command (char *ignore, int from_tty) |
c906108c | 243 | { |
c5aa993b JM |
244 | if (type_check != current_language->la_type_check) |
245 | printf_unfiltered ( | |
246 | "Warning: the current type check setting does not match the language.\n"); | |
c906108c SS |
247 | } |
248 | ||
249 | /* Set command. Change the setting for type checking. */ | |
250 | static void | |
fba45db2 | 251 | set_type_command (char *ignore, int from_tty) |
c906108c | 252 | { |
c5aa993b JM |
253 | if (STREQ (type, "on")) |
254 | { | |
c906108c SS |
255 | type_check = type_check_on; |
256 | type_mode = type_mode_manual; | |
c5aa993b JM |
257 | } |
258 | else if (STREQ (type, "warn")) | |
259 | { | |
c906108c SS |
260 | type_check = type_check_warn; |
261 | type_mode = type_mode_manual; | |
c5aa993b JM |
262 | } |
263 | else if (STREQ (type, "off")) | |
264 | { | |
c906108c SS |
265 | type_check = type_check_off; |
266 | type_mode = type_mode_manual; | |
c5aa993b JM |
267 | } |
268 | else if (STREQ (type, "auto")) | |
269 | { | |
c906108c | 270 | type_mode = type_mode_auto; |
63872f9d | 271 | set_type_range_case (); |
c906108c | 272 | /* Avoid hitting the set_type_str call below. We |
63872f9d | 273 | did it in set_type_range_case. */ |
c906108c | 274 | return; |
c5aa993b | 275 | } |
c4093a6a JM |
276 | else |
277 | { | |
278 | warning ("Unrecognized type check setting: \"%s\"", type); | |
279 | } | |
c5aa993b JM |
280 | set_type_str (); |
281 | show_type_command ((char *) NULL, from_tty); | |
c906108c SS |
282 | } |
283 | ||
284 | /* Show command. Display a warning if the range setting does | |
285 | not match the current language. */ | |
286 | static void | |
fba45db2 | 287 | show_range_command (char *ignore, int from_tty) |
c906108c SS |
288 | { |
289 | ||
c5aa993b JM |
290 | if (range_check != current_language->la_range_check) |
291 | printf_unfiltered ( | |
292 | "Warning: the current range check setting does not match the language.\n"); | |
c906108c SS |
293 | } |
294 | ||
295 | /* Set command. Change the setting for range checking. */ | |
296 | static void | |
fba45db2 | 297 | set_range_command (char *ignore, int from_tty) |
c906108c | 298 | { |
c5aa993b JM |
299 | if (STREQ (range, "on")) |
300 | { | |
c906108c SS |
301 | range_check = range_check_on; |
302 | range_mode = range_mode_manual; | |
c5aa993b JM |
303 | } |
304 | else if (STREQ (range, "warn")) | |
305 | { | |
c906108c SS |
306 | range_check = range_check_warn; |
307 | range_mode = range_mode_manual; | |
c5aa993b JM |
308 | } |
309 | else if (STREQ (range, "off")) | |
310 | { | |
c906108c SS |
311 | range_check = range_check_off; |
312 | range_mode = range_mode_manual; | |
c5aa993b JM |
313 | } |
314 | else if (STREQ (range, "auto")) | |
315 | { | |
c906108c | 316 | range_mode = range_mode_auto; |
63872f9d | 317 | set_type_range_case (); |
c906108c | 318 | /* Avoid hitting the set_range_str call below. We |
63872f9d | 319 | did it in set_type_range_case. */ |
c906108c | 320 | return; |
c5aa993b | 321 | } |
c4093a6a JM |
322 | else |
323 | { | |
324 | warning ("Unrecognized range check setting: \"%s\"", range); | |
325 | } | |
c5aa993b JM |
326 | set_range_str (); |
327 | show_range_command ((char *) 0, from_tty); | |
c906108c SS |
328 | } |
329 | ||
63872f9d JG |
330 | /* Show command. Display a warning if the case sensitivity setting does |
331 | not match the current language. */ | |
332 | static void | |
ad525611 | 333 | show_case_command (char *ignore, int from_tty) |
63872f9d JG |
334 | { |
335 | if (case_sensitivity != current_language->la_case_sensitivity) | |
336 | printf_unfiltered( | |
337 | "Warning: the current case sensitivity setting does not match the language.\n"); | |
338 | } | |
339 | ||
340 | /* Set command. Change the setting for case sensitivity. */ | |
341 | static void | |
ad525611 | 342 | set_case_command (char *ignore, int from_tty) |
63872f9d JG |
343 | { |
344 | if (STREQ (case_sensitive, "on")) | |
345 | { | |
346 | case_sensitivity = case_sensitive_on; | |
347 | case_mode = case_mode_manual; | |
348 | } | |
349 | else if (STREQ (case_sensitive, "off")) | |
350 | { | |
351 | case_sensitivity = case_sensitive_off; | |
352 | case_mode = case_mode_manual; | |
353 | } | |
354 | else if (STREQ (case_sensitive, "auto")) | |
355 | { | |
356 | case_mode = case_mode_auto; | |
357 | set_type_range_case (); | |
358 | /* Avoid hitting the set_case_str call below. We | |
359 | did it in set_type_range_case. */ | |
360 | return; | |
361 | } | |
362 | else | |
363 | { | |
364 | warning ("Unrecognized case-sensitive setting: \"%s\"", case_sensitive); | |
365 | } | |
366 | set_case_str(); | |
367 | show_case_command ((char *) NULL, from_tty); | |
368 | } | |
369 | ||
370 | /* Set the status of range and type checking and case sensitivity based on | |
c906108c SS |
371 | the current modes and the current language. |
372 | If SHOW is non-zero, then print out the current language, | |
373 | type and range checking status. */ | |
374 | static void | |
63872f9d | 375 | set_type_range_case (void) |
c906108c SS |
376 | { |
377 | ||
378 | if (range_mode == range_mode_auto) | |
379 | range_check = current_language->la_range_check; | |
380 | ||
381 | if (type_mode == type_mode_auto) | |
382 | type_check = current_language->la_type_check; | |
383 | ||
63872f9d JG |
384 | if (case_mode == case_mode_auto) |
385 | case_sensitivity = current_language->la_case_sensitivity; | |
386 | ||
c5aa993b JM |
387 | set_type_str (); |
388 | set_range_str (); | |
63872f9d | 389 | set_case_str (); |
c906108c SS |
390 | } |
391 | ||
392 | /* Set current language to (enum language) LANG. Returns previous language. */ | |
393 | ||
394 | enum language | |
fba45db2 | 395 | set_language (enum language lang) |
c906108c SS |
396 | { |
397 | int i; | |
398 | enum language prev_language; | |
399 | ||
400 | prev_language = current_language->la_language; | |
401 | ||
c5aa993b JM |
402 | for (i = 0; i < languages_size; i++) |
403 | { | |
404 | if (languages[i]->la_language == lang) | |
405 | { | |
406 | current_language = languages[i]; | |
63872f9d | 407 | set_type_range_case (); |
c5aa993b JM |
408 | set_lang_str (); |
409 | break; | |
410 | } | |
c906108c | 411 | } |
c906108c SS |
412 | |
413 | return prev_language; | |
414 | } | |
415 | \f | |
416 | /* This page contains functions that update the global vars | |
417 | language, type and range. */ | |
418 | static void | |
fba45db2 | 419 | set_lang_str (void) |
c906108c | 420 | { |
c5aa993b | 421 | char *prefix = ""; |
c906108c | 422 | |
ccdaf797 | 423 | if (language) |
b8c9b27d | 424 | xfree (language); |
c5aa993b JM |
425 | if (language_mode == language_mode_auto) |
426 | prefix = "auto; currently "; | |
c906108c | 427 | |
c5aa993b | 428 | language = concat (prefix, current_language->la_name, NULL); |
c906108c SS |
429 | } |
430 | ||
431 | static void | |
fba45db2 | 432 | set_type_str (void) |
c906108c | 433 | { |
c4093a6a | 434 | char *tmp = NULL, *prefix = ""; |
c906108c | 435 | |
ccdaf797 | 436 | if (type) |
b8c9b27d | 437 | xfree (type); |
c5aa993b JM |
438 | if (type_mode == type_mode_auto) |
439 | prefix = "auto; currently "; | |
c906108c | 440 | |
c5aa993b JM |
441 | switch (type_check) |
442 | { | |
443 | case type_check_on: | |
c906108c SS |
444 | tmp = "on"; |
445 | break; | |
c5aa993b | 446 | case type_check_off: |
c906108c SS |
447 | tmp = "off"; |
448 | break; | |
c5aa993b | 449 | case type_check_warn: |
c906108c SS |
450 | tmp = "warn"; |
451 | break; | |
c5aa993b | 452 | default: |
c906108c | 453 | error ("Unrecognized type check setting."); |
c5aa993b | 454 | } |
c906108c | 455 | |
c5aa993b | 456 | type = concat (prefix, tmp, NULL); |
c906108c SS |
457 | } |
458 | ||
459 | static void | |
fba45db2 | 460 | set_range_str (void) |
c906108c | 461 | { |
c5aa993b | 462 | char *tmp, *pref = ""; |
c906108c | 463 | |
c5aa993b JM |
464 | if (range_mode == range_mode_auto) |
465 | pref = "auto; currently "; | |
c906108c | 466 | |
c5aa993b JM |
467 | switch (range_check) |
468 | { | |
469 | case range_check_on: | |
c906108c SS |
470 | tmp = "on"; |
471 | break; | |
c5aa993b | 472 | case range_check_off: |
c906108c SS |
473 | tmp = "off"; |
474 | break; | |
c5aa993b | 475 | case range_check_warn: |
c906108c SS |
476 | tmp = "warn"; |
477 | break; | |
c5aa993b | 478 | default: |
c906108c | 479 | error ("Unrecognized range check setting."); |
c5aa993b | 480 | } |
c906108c | 481 | |
ccdaf797 | 482 | if (range) |
b8c9b27d | 483 | xfree (range); |
c5aa993b | 484 | range = concat (pref, tmp, NULL); |
c906108c SS |
485 | } |
486 | ||
63872f9d JG |
487 | static void |
488 | set_case_str() | |
489 | { | |
490 | char *tmp = NULL, *prefix = ""; | |
491 | ||
492 | if (case_mode==case_mode_auto) | |
493 | prefix = "auto; currently "; | |
494 | ||
495 | switch (case_sensitivity) | |
496 | { | |
497 | case case_sensitive_on: | |
498 | tmp = "on"; | |
499 | break; | |
500 | case case_sensitive_off: | |
501 | tmp = "off"; | |
502 | break; | |
503 | default: | |
504 | error ("Unrecognized case-sensitive setting."); | |
505 | } | |
506 | ||
b8c9b27d | 507 | xfree (case_sensitive); |
63872f9d JG |
508 | case_sensitive = concat (prefix, tmp, NULL); |
509 | } | |
c906108c SS |
510 | |
511 | /* Print out the current language settings: language, range and | |
512 | type checking. If QUIETLY, print only what has changed. */ | |
513 | ||
514 | void | |
fba45db2 | 515 | language_info (int quietly) |
c906108c SS |
516 | { |
517 | if (quietly && expected_language == current_language) | |
518 | return; | |
519 | ||
520 | expected_language = current_language; | |
c5aa993b JM |
521 | printf_unfiltered ("Current language: %s\n", language); |
522 | show_language_command ((char *) 0, 1); | |
c906108c SS |
523 | |
524 | if (!quietly) | |
525 | { | |
c5aa993b JM |
526 | printf_unfiltered ("Type checking: %s\n", type); |
527 | show_type_command ((char *) 0, 1); | |
528 | printf_unfiltered ("Range checking: %s\n", range); | |
529 | show_range_command ((char *) 0, 1); | |
63872f9d JG |
530 | printf_unfiltered ("Case sensitivity: %s\n", case_sensitive); |
531 | show_case_command ((char *) 0, 1); | |
c906108c SS |
532 | } |
533 | } | |
534 | \f | |
535 | /* Return the result of a binary operation. */ | |
536 | ||
c5aa993b | 537 | #if 0 /* Currently unused */ |
c906108c SS |
538 | |
539 | struct type * | |
fba45db2 | 540 | binop_result_type (value_ptr v1, value_ptr v2) |
c906108c | 541 | { |
c5aa993b JM |
542 | int size, uns; |
543 | struct type *t1 = check_typedef (VALUE_TYPE (v1)); | |
544 | struct type *t2 = check_typedef (VALUE_TYPE (v2)); | |
545 | ||
546 | int l1 = TYPE_LENGTH (t1); | |
547 | int l2 = TYPE_LENGTH (t2); | |
548 | ||
549 | switch (current_language->la_language) | |
550 | { | |
551 | case language_c: | |
552 | case language_cplus: | |
553 | if (TYPE_CODE (t1) == TYPE_CODE_FLT) | |
554 | return TYPE_CODE (t2) == TYPE_CODE_FLT && l2 > l1 ? | |
555 | VALUE_TYPE (v2) : VALUE_TYPE (v1); | |
556 | else if (TYPE_CODE (t2) == TYPE_CODE_FLT) | |
557 | return TYPE_CODE (t1) == TYPE_CODE_FLT && l1 > l2 ? | |
558 | VALUE_TYPE (v1) : VALUE_TYPE (v2); | |
559 | else if (TYPE_UNSIGNED (t1) && l1 > l2) | |
560 | return VALUE_TYPE (v1); | |
561 | else if (TYPE_UNSIGNED (t2) && l2 > l1) | |
562 | return VALUE_TYPE (v2); | |
563 | else /* Both are signed. Result is the longer type */ | |
564 | return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2); | |
c906108c | 565 | break; |
c5aa993b | 566 | case language_m2: |
c906108c | 567 | /* If we are doing type-checking, l1 should equal l2, so this is |
c5aa993b JM |
568 | not needed. */ |
569 | return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2); | |
c906108c | 570 | break; |
c5aa993b JM |
571 | case language_chill: |
572 | error ("Missing Chill support in function binop_result_check."); /*FIXME */ | |
573 | } | |
574 | abort (); | |
575 | return (struct type *) 0; /* For lint */ | |
c906108c SS |
576 | } |
577 | ||
c5aa993b | 578 | #endif /* 0 */ |
c906108c | 579 | \f |
c5aa993b | 580 | |
c906108c SS |
581 | /* This page contains functions that return format strings for |
582 | printf for printing out numbers in different formats */ | |
583 | ||
584 | /* Returns the appropriate printf format for hexadecimal | |
585 | numbers. */ | |
586 | char * | |
fba45db2 | 587 | local_hex_format_custom (char *pre) |
c906108c | 588 | { |
c5aa993b JM |
589 | static char form[50]; |
590 | ||
591 | strcpy (form, local_hex_format_prefix ()); | |
592 | strcat (form, "%"); | |
593 | strcat (form, pre); | |
594 | strcat (form, local_hex_format_specifier ()); | |
595 | strcat (form, local_hex_format_suffix ()); | |
596 | return form; | |
c906108c SS |
597 | } |
598 | ||
7acb79c8 AC |
599 | #if 0 |
600 | /* FIXME: cagney/2000-03-04: This function does not appear to be used. | |
601 | It can be deleted once 5.0 has been released. */ | |
602 | /* FIXME: cagney/2000-03-04: This code assumes that the compiler | |
603 | supports ``long long''. */ | |
c4093a6a JM |
604 | /* Converts a number to hexadecimal (without leading "0x") and stores it in a |
605 | static string. Returns a pointer to this string. */ | |
606 | ||
607 | char * | |
fba45db2 | 608 | longest_raw_hex_string (LONGEST num) |
c4093a6a JM |
609 | { |
610 | static char res_longest_raw_hex_string[50]; | |
611 | long long ll = num; /* MERGEBUG ?? see below */ | |
612 | res_longest_raw_hex_string[0] = 0; | |
613 | /* MERGEBUG ?? As a quick fix I am replacing this with sprintf | |
614 | strcat_address_numeric (num, 0, res_longest_raw_hex_string, 50); | |
615 | */ | |
616 | ||
617 | sprintf (res_longest_raw_hex_string, "%llx", ll); | |
618 | return res_longest_raw_hex_string; | |
619 | } | |
7acb79c8 | 620 | #endif |
c4093a6a | 621 | |
c906108c SS |
622 | /* Converts a number to hexadecimal and stores it in a static |
623 | string. Returns a pointer to this string. */ | |
624 | char * | |
fba45db2 | 625 | local_hex_string (unsigned long num) |
c906108c | 626 | { |
c5aa993b | 627 | static char res[50]; |
c906108c | 628 | |
c5aa993b JM |
629 | sprintf (res, local_hex_format (), num); |
630 | return res; | |
c906108c SS |
631 | } |
632 | ||
c4093a6a JM |
633 | /* Converts a LONGEST number to hexadecimal and stores it in a static |
634 | string. Returns a pointer to this string. */ | |
635 | char * | |
fba45db2 | 636 | longest_local_hex_string (LONGEST num) |
c4093a6a JM |
637 | { |
638 | return longest_local_hex_string_custom (num, "l"); | |
639 | } | |
640 | ||
c906108c SS |
641 | /* Converts a number to custom hexadecimal and stores it in a static |
642 | string. Returns a pointer to this string. */ | |
643 | char * | |
fba45db2 | 644 | local_hex_string_custom (unsigned long num, char *pre) |
c906108c | 645 | { |
c5aa993b | 646 | static char res[50]; |
c906108c | 647 | |
c5aa993b JM |
648 | sprintf (res, local_hex_format_custom (pre), num); |
649 | return res; | |
c906108c SS |
650 | } |
651 | ||
c4093a6a JM |
652 | /* Converts a LONGEST number to custom hexadecimal and stores it in a static |
653 | string. Returns a pointer to this string. Note that the width parameter | |
654 | should end with "l", e.g. "08l" as with calls to local_hex_string_custom */ | |
655 | ||
656 | char * | |
fba45db2 | 657 | longest_local_hex_string_custom (LONGEST num, char *width) |
c4093a6a JM |
658 | { |
659 | #define RESULT_BUF_LEN 50 | |
660 | static char res2[RESULT_BUF_LEN]; | |
661 | char format[RESULT_BUF_LEN]; | |
662 | #if !defined (PRINTF_HAS_LONG_LONG) | |
663 | int field_width; | |
664 | int num_len; | |
665 | int num_pad_chars; | |
666 | char *pad_char; /* string with one character */ | |
667 | int pad_on_left; | |
668 | char *parse_ptr; | |
669 | char temp_nbr_buf[RESULT_BUF_LEN]; | |
670 | #endif | |
671 | ||
672 | #ifndef CC_HAS_LONG_LONG | |
673 | /* If there is no long long, then LONGEST should be just long and we | |
674 | can use local_hex_string_custom | |
675 | */ | |
676 | return local_hex_string_custom ((unsigned long) num, width); | |
392746e5 | 677 | #elif defined (PRINTF_HAS_LONG_LONG) |
c4093a6a JM |
678 | /* Just use printf. */ |
679 | strcpy (format, local_hex_format_prefix ()); /* 0x */ | |
680 | strcat (format, "%"); | |
681 | strcat (format, width); /* e.g. "08l" */ | |
682 | strcat (format, "l"); /* need "ll" for long long */ | |
683 | strcat (format, local_hex_format_specifier ()); /* "x" */ | |
684 | strcat (format, local_hex_format_suffix ()); /* "" */ | |
685 | sprintf (res2, format, num); | |
686 | return res2; | |
687 | #else /* !defined (PRINTF_HAS_LONG_LONG) */ | |
688 | /* Use strcat_address_numeric to print the number into a string, then | |
689 | build the result string from local_hex_format_prefix, padding and | |
690 | the hex representation as indicated by "width". */ | |
691 | ||
692 | temp_nbr_buf[0] = 0; | |
693 | /* With use_local == 0, we don't get the leading "0x" prefix. */ | |
694 | /* MERGEBUG ?? As a quick fix I am replacing this call to | |
695 | strcat_address_numeric with sprintf | |
696 | strcat_address_numeric(num, 0, temp_nbr_buf, RESULT_BUF_LEN); | |
697 | */ | |
698 | ||
699 | { | |
700 | long long ll = num; | |
701 | sprintf (temp_nbr_buf, "%llx", ll); | |
702 | } | |
703 | /* parse width */ | |
704 | parse_ptr = width; | |
705 | pad_on_left = 1; | |
706 | pad_char = " "; | |
707 | if (*parse_ptr == '-') | |
708 | { | |
709 | parse_ptr++; | |
710 | pad_on_left = 0; | |
711 | } | |
712 | if (*parse_ptr == '0') | |
713 | { | |
714 | parse_ptr++; | |
715 | if (pad_on_left) | |
716 | pad_char = "0"; /* If padding is on the right, it is blank */ | |
717 | } | |
718 | field_width = atoi (parse_ptr); | |
719 | num_len = strlen (temp_nbr_buf); | |
720 | num_pad_chars = field_width - strlen (temp_nbr_buf); /* possibly negative */ | |
721 | ||
722 | if (strlen (local_hex_format_prefix ()) + num_len + num_pad_chars | |
723 | < RESULT_BUF_LEN) /* paranoia */ | |
724 | internal_error ("longest_local_hex_string_custom: insufficient space to store result"); | |
725 | ||
726 | strcpy (res2, local_hex_format_prefix ()); | |
727 | if (pad_on_left) | |
728 | { | |
729 | while (num_pad_chars > 0) | |
730 | { | |
731 | strcat (res2, pad_char); | |
732 | num_pad_chars--; | |
733 | } | |
734 | } | |
735 | strcat (res2, temp_nbr_buf); | |
736 | if (!pad_on_left) | |
737 | { | |
738 | while (num_pad_chars > 0) | |
739 | { | |
740 | strcat (res2, pad_char); | |
741 | num_pad_chars--; | |
742 | } | |
743 | } | |
744 | return res2; | |
745 | #endif | |
746 | ||
747 | } /* longest_local_hex_string_custom */ | |
748 | ||
c906108c SS |
749 | /* Returns the appropriate printf format for octal |
750 | numbers. */ | |
751 | char * | |
fba45db2 | 752 | local_octal_format_custom (char *pre) |
c906108c | 753 | { |
c5aa993b JM |
754 | static char form[50]; |
755 | ||
756 | strcpy (form, local_octal_format_prefix ()); | |
757 | strcat (form, "%"); | |
758 | strcat (form, pre); | |
759 | strcat (form, local_octal_format_specifier ()); | |
760 | strcat (form, local_octal_format_suffix ()); | |
761 | return form; | |
c906108c SS |
762 | } |
763 | ||
764 | /* Returns the appropriate printf format for decimal numbers. */ | |
765 | char * | |
fba45db2 | 766 | local_decimal_format_custom (char *pre) |
c906108c | 767 | { |
c5aa993b JM |
768 | static char form[50]; |
769 | ||
770 | strcpy (form, local_decimal_format_prefix ()); | |
771 | strcat (form, "%"); | |
772 | strcat (form, pre); | |
773 | strcat (form, local_decimal_format_specifier ()); | |
774 | strcat (form, local_decimal_format_suffix ()); | |
775 | return form; | |
c906108c SS |
776 | } |
777 | \f | |
778 | #if 0 | |
779 | /* This page contains functions that are used in type/range checking. | |
780 | They all return zero if the type/range check fails. | |
781 | ||
782 | It is hoped that these will make extending GDB to parse different | |
783 | languages a little easier. These are primarily used in eval.c when | |
784 | evaluating expressions and making sure that their types are correct. | |
785 | Instead of having a mess of conjucted/disjuncted expressions in an "if", | |
786 | the ideas of type can be wrapped up in the following functions. | |
787 | ||
788 | Note that some of them are not currently dependent upon which language | |
789 | is currently being parsed. For example, floats are the same in | |
790 | C and Modula-2 (ie. the only floating point type has TYPE_CODE of | |
791 | TYPE_CODE_FLT), while booleans are different. */ | |
792 | ||
793 | /* Returns non-zero if its argument is a simple type. This is the same for | |
794 | both Modula-2 and for C. In the C case, TYPE_CODE_CHAR will never occur, | |
795 | and thus will never cause the failure of the test. */ | |
796 | int | |
fba45db2 | 797 | simple_type (struct type *type) |
c906108c SS |
798 | { |
799 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
800 | switch (TYPE_CODE (type)) |
801 | { | |
802 | case TYPE_CODE_INT: | |
803 | case TYPE_CODE_CHAR: | |
804 | case TYPE_CODE_ENUM: | |
805 | case TYPE_CODE_FLT: | |
806 | case TYPE_CODE_RANGE: | |
807 | case TYPE_CODE_BOOL: | |
808 | return 1; | |
c906108c | 809 | |
c5aa993b JM |
810 | default: |
811 | return 0; | |
812 | } | |
c906108c SS |
813 | } |
814 | ||
815 | /* Returns non-zero if its argument is of an ordered type. | |
816 | An ordered type is one in which the elements can be tested for the | |
817 | properties of "greater than", "less than", etc, or for which the | |
818 | operations "increment" or "decrement" make sense. */ | |
819 | int | |
fba45db2 | 820 | ordered_type (struct type *type) |
c906108c SS |
821 | { |
822 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
823 | switch (TYPE_CODE (type)) |
824 | { | |
825 | case TYPE_CODE_INT: | |
826 | case TYPE_CODE_CHAR: | |
827 | case TYPE_CODE_ENUM: | |
828 | case TYPE_CODE_FLT: | |
829 | case TYPE_CODE_RANGE: | |
830 | return 1; | |
c906108c | 831 | |
c5aa993b JM |
832 | default: |
833 | return 0; | |
834 | } | |
c906108c SS |
835 | } |
836 | ||
837 | /* Returns non-zero if the two types are the same */ | |
838 | int | |
fba45db2 | 839 | same_type (struct type *arg1, struct type *arg2) |
c906108c SS |
840 | { |
841 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
842 | if (structured_type (arg1) ? !structured_type (arg2) : structured_type (arg2)) |
843 | /* One is structured and one isn't */ | |
844 | return 0; | |
845 | else if (structured_type (arg1) && structured_type (arg2)) | |
846 | return arg1 == arg2; | |
847 | else if (numeric_type (arg1) && numeric_type (arg2)) | |
848 | return (TYPE_CODE (arg2) == TYPE_CODE (arg1)) && | |
849 | (TYPE_UNSIGNED (arg1) == TYPE_UNSIGNED (arg2)) | |
850 | ? 1 : 0; | |
851 | else | |
852 | return arg1 == arg2; | |
c906108c SS |
853 | } |
854 | ||
855 | /* Returns non-zero if the type is integral */ | |
856 | int | |
fba45db2 | 857 | integral_type (struct type *type) |
c906108c SS |
858 | { |
859 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
860 | switch (current_language->la_language) |
861 | { | |
862 | case language_c: | |
863 | case language_cplus: | |
864 | return (TYPE_CODE (type) != TYPE_CODE_INT) && | |
865 | (TYPE_CODE (type) != TYPE_CODE_ENUM) ? 0 : 1; | |
866 | case language_m2: | |
750ba382 | 867 | case language_pascal: |
c5aa993b JM |
868 | return TYPE_CODE (type) != TYPE_CODE_INT ? 0 : 1; |
869 | case language_chill: | |
870 | error ("Missing Chill support in function integral_type."); /*FIXME */ | |
871 | default: | |
c906108c | 872 | error ("Language not supported."); |
c5aa993b | 873 | } |
c906108c SS |
874 | } |
875 | ||
876 | /* Returns non-zero if the value is numeric */ | |
877 | int | |
fba45db2 | 878 | numeric_type (struct type *type) |
c906108c SS |
879 | { |
880 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
881 | switch (TYPE_CODE (type)) |
882 | { | |
883 | case TYPE_CODE_INT: | |
884 | case TYPE_CODE_FLT: | |
885 | return 1; | |
c906108c | 886 | |
c5aa993b JM |
887 | default: |
888 | return 0; | |
889 | } | |
c906108c SS |
890 | } |
891 | ||
892 | /* Returns non-zero if the value is a character type */ | |
893 | int | |
fba45db2 | 894 | character_type (struct type *type) |
c906108c SS |
895 | { |
896 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
897 | switch (current_language->la_language) |
898 | { | |
899 | case language_chill: | |
900 | case language_m2: | |
750ba382 | 901 | case language_pascal: |
c5aa993b JM |
902 | return TYPE_CODE (type) != TYPE_CODE_CHAR ? 0 : 1; |
903 | ||
904 | case language_c: | |
905 | case language_cplus: | |
906 | return (TYPE_CODE (type) == TYPE_CODE_INT) && | |
907 | TYPE_LENGTH (type) == sizeof (char) | |
908 | ? 1 : 0; | |
909 | default: | |
c906108c | 910 | return (0); |
c5aa993b | 911 | } |
c906108c SS |
912 | } |
913 | ||
914 | /* Returns non-zero if the value is a string type */ | |
915 | int | |
fba45db2 | 916 | string_type (struct type *type) |
c906108c SS |
917 | { |
918 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
919 | switch (current_language->la_language) |
920 | { | |
921 | case language_chill: | |
922 | case language_m2: | |
750ba382 | 923 | case language_pascal: |
c5aa993b JM |
924 | return TYPE_CODE (type) != TYPE_CODE_STRING ? 0 : 1; |
925 | ||
926 | case language_c: | |
927 | case language_cplus: | |
c906108c SS |
928 | /* C does not have distinct string type. */ |
929 | return (0); | |
c5aa993b | 930 | default: |
c906108c | 931 | return (0); |
c5aa993b | 932 | } |
c906108c SS |
933 | } |
934 | ||
935 | /* Returns non-zero if the value is a boolean type */ | |
936 | int | |
fba45db2 | 937 | boolean_type (struct type *type) |
c906108c SS |
938 | { |
939 | CHECK_TYPEDEF (type); | |
940 | if (TYPE_CODE (type) == TYPE_CODE_BOOL) | |
941 | return 1; | |
c5aa993b | 942 | switch (current_language->la_language) |
c906108c SS |
943 | { |
944 | case language_c: | |
945 | case language_cplus: | |
946 | /* Might be more cleanly handled by having a TYPE_CODE_INT_NOT_BOOL | |
c5aa993b | 947 | for CHILL and such languages, or a TYPE_CODE_INT_OR_BOOL for C. */ |
c906108c SS |
948 | if (TYPE_CODE (type) == TYPE_CODE_INT) |
949 | return 1; | |
c5aa993b | 950 | default: |
c906108c | 951 | break; |
c5aa993b | 952 | } |
c906108c SS |
953 | return 0; |
954 | } | |
955 | ||
956 | /* Returns non-zero if the value is a floating-point type */ | |
957 | int | |
fba45db2 | 958 | float_type (struct type *type) |
c906108c SS |
959 | { |
960 | CHECK_TYPEDEF (type); | |
c5aa993b | 961 | return TYPE_CODE (type) == TYPE_CODE_FLT; |
c906108c SS |
962 | } |
963 | ||
964 | /* Returns non-zero if the value is a pointer type */ | |
965 | int | |
fba45db2 | 966 | pointer_type (struct type *type) |
c906108c | 967 | { |
c5aa993b JM |
968 | return TYPE_CODE (type) == TYPE_CODE_PTR || |
969 | TYPE_CODE (type) == TYPE_CODE_REF; | |
c906108c SS |
970 | } |
971 | ||
972 | /* Returns non-zero if the value is a structured type */ | |
973 | int | |
fba45db2 | 974 | structured_type (struct type *type) |
c906108c SS |
975 | { |
976 | CHECK_TYPEDEF (type); | |
c5aa993b JM |
977 | switch (current_language->la_language) |
978 | { | |
979 | case language_c: | |
980 | case language_cplus: | |
981 | return (TYPE_CODE (type) == TYPE_CODE_STRUCT) || | |
982 | (TYPE_CODE (type) == TYPE_CODE_UNION) || | |
983 | (TYPE_CODE (type) == TYPE_CODE_ARRAY); | |
750ba382 PM |
984 | case language_pascal: |
985 | return (TYPE_CODE(type) == TYPE_CODE_STRUCT) || | |
986 | (TYPE_CODE(type) == TYPE_CODE_UNION) || | |
987 | (TYPE_CODE(type) == TYPE_CODE_SET) || | |
988 | (TYPE_CODE(type) == TYPE_CODE_ARRAY); | |
c5aa993b JM |
989 | case language_m2: |
990 | return (TYPE_CODE (type) == TYPE_CODE_STRUCT) || | |
991 | (TYPE_CODE (type) == TYPE_CODE_SET) || | |
992 | (TYPE_CODE (type) == TYPE_CODE_ARRAY); | |
993 | case language_chill: | |
994 | error ("Missing Chill support in function structured_type."); /*FIXME */ | |
995 | default: | |
c906108c | 996 | return (0); |
c5aa993b | 997 | } |
c906108c SS |
998 | } |
999 | #endif | |
1000 | \f | |
1001 | struct type * | |
fba45db2 | 1002 | lang_bool_type (void) |
c906108c SS |
1003 | { |
1004 | struct symbol *sym; | |
1005 | struct type *type; | |
c5aa993b | 1006 | switch (current_language->la_language) |
c906108c SS |
1007 | { |
1008 | case language_chill: | |
1009 | return builtin_type_chill_bool; | |
1010 | case language_fortran: | |
1011 | sym = lookup_symbol ("logical", NULL, VAR_NAMESPACE, NULL, NULL); | |
1012 | if (sym) | |
1013 | { | |
1014 | type = SYMBOL_TYPE (sym); | |
1015 | if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) | |
1016 | return type; | |
1017 | } | |
1018 | return builtin_type_f_logical_s2; | |
1019 | case language_cplus: | |
750ba382 PM |
1020 | case language_pascal: |
1021 | if (current_language->la_language==language_cplus) | |
1022 | {sym = lookup_symbol ("bool", NULL, VAR_NAMESPACE, NULL, NULL);} | |
1023 | else | |
1024 | {sym = lookup_symbol ("boolean", NULL, VAR_NAMESPACE, NULL, NULL);} | |
c906108c SS |
1025 | if (sym) |
1026 | { | |
1027 | type = SYMBOL_TYPE (sym); | |
1028 | if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) | |
1029 | return type; | |
1030 | } | |
1031 | return builtin_type_bool; | |
8caabe69 AG |
1032 | case language_java: |
1033 | sym = lookup_symbol ("boolean", NULL, VAR_NAMESPACE, NULL, NULL); | |
1034 | if (sym) | |
1035 | { | |
1036 | type = SYMBOL_TYPE (sym); | |
1037 | if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) | |
1038 | return type; | |
1039 | } | |
1040 | return java_boolean_type; | |
c906108c SS |
1041 | default: |
1042 | return builtin_type_int; | |
1043 | } | |
1044 | } | |
1045 | \f | |
1046 | /* This page contains functions that return info about | |
1047 | (struct value) values used in GDB. */ | |
1048 | ||
1049 | /* Returns non-zero if the value VAL represents a true value. */ | |
1050 | int | |
fba45db2 | 1051 | value_true (value_ptr val) |
c906108c SS |
1052 | { |
1053 | /* It is possible that we should have some sort of error if a non-boolean | |
1054 | value is used in this context. Possibly dependent on some kind of | |
1055 | "boolean-checking" option like range checking. But it should probably | |
1056 | not depend on the language except insofar as is necessary to identify | |
1057 | a "boolean" value (i.e. in C using a float, pointer, etc., as a boolean | |
1058 | should be an error, probably). */ | |
1059 | return !value_logical_not (val); | |
1060 | } | |
1061 | \f | |
1062 | /* Returns non-zero if the operator OP is defined on | |
1063 | the values ARG1 and ARG2. */ | |
1064 | ||
c5aa993b | 1065 | #if 0 /* Currently unused */ |
c906108c SS |
1066 | |
1067 | void | |
fba45db2 | 1068 | binop_type_check (value_ptr arg1, value_ptr arg2, int op) |
c906108c | 1069 | { |
c5aa993b | 1070 | struct type *t1, *t2; |
c906108c | 1071 | |
c5aa993b JM |
1072 | /* If we're not checking types, always return success. */ |
1073 | if (!STRICT_TYPE) | |
1074 | return; | |
1075 | ||
1076 | t1 = VALUE_TYPE (arg1); | |
1077 | if (arg2 != NULL) | |
1078 | t2 = VALUE_TYPE (arg2); | |
1079 | else | |
1080 | t2 = NULL; | |
c906108c | 1081 | |
c5aa993b JM |
1082 | switch (op) |
1083 | { | |
1084 | case BINOP_ADD: | |
1085 | case BINOP_SUB: | |
1086 | if ((numeric_type (t1) && pointer_type (t2)) || | |
1087 | (pointer_type (t1) && numeric_type (t2))) | |
1088 | { | |
1089 | warning ("combining pointer and integer.\n"); | |
1090 | break; | |
1091 | } | |
1092 | case BINOP_MUL: | |
1093 | case BINOP_LSH: | |
1094 | case BINOP_RSH: | |
1095 | if (!numeric_type (t1) || !numeric_type (t2)) | |
1096 | type_op_error ("Arguments to %s must be numbers.", op); | |
1097 | else if (!same_type (t1, t2)) | |
1098 | type_op_error ("Arguments to %s must be of the same type.", op); | |
c906108c SS |
1099 | break; |
1100 | ||
c5aa993b JM |
1101 | case BINOP_LOGICAL_AND: |
1102 | case BINOP_LOGICAL_OR: | |
1103 | if (!boolean_type (t1) || !boolean_type (t2)) | |
1104 | type_op_error ("Arguments to %s must be of boolean type.", op); | |
c906108c SS |
1105 | break; |
1106 | ||
c5aa993b JM |
1107 | case BINOP_EQUAL: |
1108 | if ((pointer_type (t1) && !(pointer_type (t2) || integral_type (t2))) || | |
1109 | (pointer_type (t2) && !(pointer_type (t1) || integral_type (t1)))) | |
1110 | type_op_error ("A pointer can only be compared to an integer or pointer.", op); | |
1111 | else if ((pointer_type (t1) && integral_type (t2)) || | |
1112 | (integral_type (t1) && pointer_type (t2))) | |
1113 | { | |
1114 | warning ("combining integer and pointer.\n"); | |
1115 | break; | |
1116 | } | |
1117 | else if (!simple_type (t1) || !simple_type (t2)) | |
1118 | type_op_error ("Arguments to %s must be of simple type.", op); | |
1119 | else if (!same_type (t1, t2)) | |
1120 | type_op_error ("Arguments to %s must be of the same type.", op); | |
c906108c SS |
1121 | break; |
1122 | ||
c5aa993b JM |
1123 | case BINOP_REM: |
1124 | case BINOP_MOD: | |
1125 | if (!integral_type (t1) || !integral_type (t2)) | |
1126 | type_op_error ("Arguments to %s must be of integral type.", op); | |
c906108c SS |
1127 | break; |
1128 | ||
c5aa993b JM |
1129 | case BINOP_LESS: |
1130 | case BINOP_GTR: | |
1131 | case BINOP_LEQ: | |
1132 | case BINOP_GEQ: | |
1133 | if (!ordered_type (t1) || !ordered_type (t2)) | |
1134 | type_op_error ("Arguments to %s must be of ordered type.", op); | |
1135 | else if (!same_type (t1, t2)) | |
1136 | type_op_error ("Arguments to %s must be of the same type.", op); | |
c906108c SS |
1137 | break; |
1138 | ||
c5aa993b JM |
1139 | case BINOP_ASSIGN: |
1140 | if (pointer_type (t1) && !integral_type (t2)) | |
1141 | type_op_error ("A pointer can only be assigned an integer.", op); | |
1142 | else if (pointer_type (t1) && integral_type (t2)) | |
1143 | { | |
1144 | warning ("combining integer and pointer."); | |
1145 | break; | |
1146 | } | |
1147 | else if (!simple_type (t1) || !simple_type (t2)) | |
1148 | type_op_error ("Arguments to %s must be of simple type.", op); | |
1149 | else if (!same_type (t1, t2)) | |
1150 | type_op_error ("Arguments to %s must be of the same type.", op); | |
c906108c SS |
1151 | break; |
1152 | ||
1153 | case BINOP_CONCAT: | |
1154 | /* FIXME: Needs to handle bitstrings as well. */ | |
c5aa993b JM |
1155 | if (!(string_type (t1) || character_type (t1) || integral_type (t1)) |
1156 | || !(string_type (t2) || character_type (t2) || integral_type (t2))) | |
1157 | type_op_error ("Arguments to %s must be strings or characters.", op); | |
c906108c SS |
1158 | break; |
1159 | ||
c5aa993b | 1160 | /* Unary checks -- arg2 is null */ |
c906108c | 1161 | |
c5aa993b JM |
1162 | case UNOP_LOGICAL_NOT: |
1163 | if (!boolean_type (t1)) | |
1164 | type_op_error ("Argument to %s must be of boolean type.", op); | |
c906108c SS |
1165 | break; |
1166 | ||
c5aa993b JM |
1167 | case UNOP_PLUS: |
1168 | case UNOP_NEG: | |
1169 | if (!numeric_type (t1)) | |
1170 | type_op_error ("Argument to %s must be of numeric type.", op); | |
c906108c SS |
1171 | break; |
1172 | ||
c5aa993b JM |
1173 | case UNOP_IND: |
1174 | if (integral_type (t1)) | |
1175 | { | |
1176 | warning ("combining pointer and integer.\n"); | |
1177 | break; | |
1178 | } | |
1179 | else if (!pointer_type (t1)) | |
1180 | type_op_error ("Argument to %s must be a pointer.", op); | |
c906108c SS |
1181 | break; |
1182 | ||
c5aa993b JM |
1183 | case UNOP_PREINCREMENT: |
1184 | case UNOP_POSTINCREMENT: | |
1185 | case UNOP_PREDECREMENT: | |
1186 | case UNOP_POSTDECREMENT: | |
1187 | if (!ordered_type (t1)) | |
1188 | type_op_error ("Argument to %s must be of an ordered type.", op); | |
c906108c SS |
1189 | break; |
1190 | ||
c5aa993b | 1191 | default: |
c906108c | 1192 | /* Ok. The following operators have different meanings in |
c5aa993b JM |
1193 | different languages. */ |
1194 | switch (current_language->la_language) | |
1195 | { | |
c906108c | 1196 | #ifdef _LANG_c |
c5aa993b JM |
1197 | case language_c: |
1198 | case language_cplus: | |
1199 | switch (op) | |
1200 | { | |
1201 | case BINOP_DIV: | |
1202 | if (!numeric_type (t1) || !numeric_type (t2)) | |
1203 | type_op_error ("Arguments to %s must be numbers.", op); | |
1204 | break; | |
1205 | } | |
1206 | break; | |
c906108c SS |
1207 | #endif |
1208 | ||
1209 | #ifdef _LANG_m2 | |
c5aa993b JM |
1210 | case language_m2: |
1211 | switch (op) | |
1212 | { | |
1213 | case BINOP_DIV: | |
1214 | if (!float_type (t1) || !float_type (t2)) | |
1215 | type_op_error ("Arguments to %s must be floating point numbers.", op); | |
1216 | break; | |
1217 | case BINOP_INTDIV: | |
1218 | if (!integral_type (t1) || !integral_type (t2)) | |
1219 | type_op_error ("Arguments to %s must be of integral type.", op); | |
1220 | break; | |
1221 | } | |
c906108c SS |
1222 | #endif |
1223 | ||
750ba382 PM |
1224 | #ifdef _LANG_pascal |
1225 | case language_pascal: | |
1226 | switch(op) | |
1227 | { | |
1228 | case BINOP_DIV: | |
1229 | if (!float_type(t1) && !float_type(t2)) | |
1230 | type_op_error ("Arguments to %s must be floating point numbers.",op); | |
1231 | break; | |
1232 | case BINOP_INTDIV: | |
1233 | if (!integral_type(t1) || !integral_type(t2)) | |
1234 | type_op_error ("Arguments to %s must be of integral type.",op); | |
1235 | break; | |
1236 | } | |
1237 | #endif | |
1238 | ||
c906108c | 1239 | #ifdef _LANG_chill |
c5aa993b JM |
1240 | case language_chill: |
1241 | error ("Missing Chill support in function binop_type_check."); /*FIXME */ | |
c906108c SS |
1242 | #endif |
1243 | ||
c5aa993b JM |
1244 | } |
1245 | } | |
c906108c SS |
1246 | } |
1247 | ||
c5aa993b | 1248 | #endif /* 0 */ |
c906108c | 1249 | \f |
c5aa993b | 1250 | |
c906108c SS |
1251 | /* This page contains functions for the printing out of |
1252 | error messages that occur during type- and range- | |
1253 | checking. */ | |
1254 | ||
1255 | /* Prints the format string FMT with the operator as a string | |
1256 | corresponding to the opcode OP. If FATAL is non-zero, then | |
1257 | this is an error and error () is called. Otherwise, it is | |
1258 | a warning and printf() is called. */ | |
1259 | void | |
fba45db2 | 1260 | op_error (char *fmt, enum exp_opcode op, int fatal) |
c906108c | 1261 | { |
c5aa993b JM |
1262 | if (fatal) |
1263 | error (fmt, op_string (op)); | |
1264 | else | |
1265 | { | |
1266 | warning (fmt, op_string (op)); | |
1267 | } | |
c906108c SS |
1268 | } |
1269 | ||
1270 | /* These are called when a language fails a type- or range-check. | |
1271 | The first argument should be a printf()-style format string, and | |
1272 | the rest of the arguments should be its arguments. If | |
1273 | [type|range]_check is [type|range]_check_on, then return_to_top_level() | |
1274 | is called in the style of error (). Otherwise, the message is prefixed | |
1275 | by the value of warning_pre_print and we do not return to the top level. */ | |
1276 | ||
1277 | void | |
c5aa993b | 1278 | type_error (char *string,...) |
c906108c | 1279 | { |
c5aa993b | 1280 | va_list args; |
c5aa993b | 1281 | va_start (args, string); |
c906108c | 1282 | |
c5aa993b JM |
1283 | if (type_check == type_check_warn) |
1284 | fprintf_filtered (gdb_stderr, warning_pre_print); | |
1285 | else | |
1286 | error_begin (); | |
c906108c | 1287 | |
c5aa993b JM |
1288 | vfprintf_filtered (gdb_stderr, string, args); |
1289 | fprintf_filtered (gdb_stderr, "\n"); | |
1290 | va_end (args); | |
1291 | if (type_check == type_check_on) | |
1292 | return_to_top_level (RETURN_ERROR); | |
c906108c SS |
1293 | } |
1294 | ||
1295 | void | |
c5aa993b | 1296 | range_error (char *string,...) |
c906108c | 1297 | { |
c5aa993b | 1298 | va_list args; |
c5aa993b | 1299 | va_start (args, string); |
c906108c | 1300 | |
c5aa993b JM |
1301 | if (range_check == range_check_warn) |
1302 | fprintf_filtered (gdb_stderr, warning_pre_print); | |
1303 | else | |
1304 | error_begin (); | |
c906108c | 1305 | |
c5aa993b JM |
1306 | vfprintf_filtered (gdb_stderr, string, args); |
1307 | fprintf_filtered (gdb_stderr, "\n"); | |
1308 | va_end (args); | |
1309 | if (range_check == range_check_on) | |
1310 | return_to_top_level (RETURN_ERROR); | |
c906108c | 1311 | } |
c906108c | 1312 | \f |
c5aa993b | 1313 | |
c906108c SS |
1314 | /* This page contains miscellaneous functions */ |
1315 | ||
1316 | /* Return the language enum for a given language string. */ | |
1317 | ||
1318 | enum language | |
fba45db2 | 1319 | language_enum (char *str) |
c906108c SS |
1320 | { |
1321 | int i; | |
1322 | ||
c5aa993b | 1323 | for (i = 0; i < languages_size; i++) |
c906108c SS |
1324 | if (STREQ (languages[i]->la_name, str)) |
1325 | return languages[i]->la_language; | |
1326 | ||
1327 | return language_unknown; | |
1328 | } | |
1329 | ||
1330 | /* Return the language struct for a given language enum. */ | |
1331 | ||
1332 | const struct language_defn * | |
fba45db2 | 1333 | language_def (enum language lang) |
c906108c SS |
1334 | { |
1335 | int i; | |
1336 | ||
c5aa993b JM |
1337 | for (i = 0; i < languages_size; i++) |
1338 | { | |
1339 | if (languages[i]->la_language == lang) | |
1340 | { | |
1341 | return languages[i]; | |
1342 | } | |
c906108c | 1343 | } |
c906108c SS |
1344 | return NULL; |
1345 | } | |
1346 | ||
1347 | /* Return the language as a string */ | |
1348 | char * | |
fba45db2 | 1349 | language_str (enum language lang) |
c906108c SS |
1350 | { |
1351 | int i; | |
1352 | ||
c5aa993b JM |
1353 | for (i = 0; i < languages_size; i++) |
1354 | { | |
1355 | if (languages[i]->la_language == lang) | |
1356 | { | |
1357 | return languages[i]->la_name; | |
1358 | } | |
c906108c | 1359 | } |
c906108c SS |
1360 | return "Unknown"; |
1361 | } | |
1362 | ||
1363 | static void | |
fba45db2 | 1364 | set_check (char *ignore, int from_tty) |
c906108c | 1365 | { |
c5aa993b JM |
1366 | printf_unfiltered ( |
1367 | "\"set check\" must be followed by the name of a check subcommand.\n"); | |
1368 | help_list (setchecklist, "set check ", -1, gdb_stdout); | |
c906108c SS |
1369 | } |
1370 | ||
1371 | static void | |
fba45db2 | 1372 | show_check (char *ignore, int from_tty) |
c906108c | 1373 | { |
c5aa993b | 1374 | cmd_show_list (showchecklist, from_tty, ""); |
c906108c SS |
1375 | } |
1376 | \f | |
1377 | /* Add a language to the set of known languages. */ | |
1378 | ||
1379 | void | |
fba45db2 | 1380 | add_language (const struct language_defn *lang) |
c906108c SS |
1381 | { |
1382 | if (lang->la_magic != LANG_MAGIC) | |
1383 | { | |
c5aa993b JM |
1384 | fprintf_unfiltered (gdb_stderr, "Magic number of %s language struct wrong\n", |
1385 | lang->la_name); | |
1386 | abort (); | |
c906108c SS |
1387 | } |
1388 | ||
1389 | if (!languages) | |
1390 | { | |
1391 | languages_allocsize = DEFAULT_ALLOCSIZE; | |
1392 | languages = (const struct language_defn **) xmalloc | |
1393 | (languages_allocsize * sizeof (*languages)); | |
1394 | } | |
1395 | if (languages_size >= languages_allocsize) | |
1396 | { | |
1397 | languages_allocsize *= 2; | |
1398 | languages = (const struct language_defn **) xrealloc ((char *) languages, | |
c5aa993b | 1399 | languages_allocsize * sizeof (*languages)); |
c906108c SS |
1400 | } |
1401 | languages[languages_size++] = lang; | |
1402 | } | |
1403 | ||
1404 | /* Define the language that is no language. */ | |
1405 | ||
1406 | static int | |
fba45db2 | 1407 | unk_lang_parser (void) |
c906108c SS |
1408 | { |
1409 | return 1; | |
1410 | } | |
1411 | ||
1412 | static void | |
fba45db2 | 1413 | unk_lang_error (char *msg) |
c906108c SS |
1414 | { |
1415 | error ("Attempted to parse an expression with unknown language"); | |
1416 | } | |
1417 | ||
1418 | static void | |
fba45db2 | 1419 | unk_lang_emit_char (register int c, struct ui_file *stream, int quoter) |
c906108c SS |
1420 | { |
1421 | error ("internal error - unimplemented function unk_lang_emit_char called."); | |
1422 | } | |
1423 | ||
1424 | static void | |
fba45db2 | 1425 | unk_lang_printchar (register int c, struct ui_file *stream) |
c906108c SS |
1426 | { |
1427 | error ("internal error - unimplemented function unk_lang_printchar called."); | |
1428 | } | |
1429 | ||
1430 | static void | |
fba45db2 KB |
1431 | unk_lang_printstr (struct ui_file *stream, char *string, unsigned int length, |
1432 | int width, int force_ellipses) | |
c906108c SS |
1433 | { |
1434 | error ("internal error - unimplemented function unk_lang_printstr called."); | |
1435 | } | |
1436 | ||
1437 | static struct type * | |
fba45db2 | 1438 | unk_lang_create_fundamental_type (struct objfile *objfile, int typeid) |
c906108c SS |
1439 | { |
1440 | error ("internal error - unimplemented function unk_lang_create_fundamental_type called."); | |
1441 | } | |
1442 | ||
1443 | static void | |
fba45db2 KB |
1444 | unk_lang_print_type (struct type *type, char *varstring, struct ui_file *stream, |
1445 | int show, int level) | |
c906108c SS |
1446 | { |
1447 | error ("internal error - unimplemented function unk_lang_print_type called."); | |
1448 | } | |
1449 | ||
1450 | static int | |
fba45db2 KB |
1451 | unk_lang_val_print (struct type *type, char *valaddr, int embedded_offset, |
1452 | CORE_ADDR address, struct ui_file *stream, int format, | |
1453 | int deref_ref, int recurse, enum val_prettyprint pretty) | |
c906108c SS |
1454 | { |
1455 | error ("internal error - unimplemented function unk_lang_val_print called."); | |
1456 | } | |
1457 | ||
1458 | static int | |
fba45db2 KB |
1459 | unk_lang_value_print (value_ptr val, struct ui_file *stream, int format, |
1460 | enum val_prettyprint pretty) | |
c906108c SS |
1461 | { |
1462 | error ("internal error - unimplemented function unk_lang_value_print called."); | |
1463 | } | |
1464 | ||
c5aa993b JM |
1465 | static struct type **CONST_PTR (unknown_builtin_types[]) = |
1466 | { | |
1467 | 0 | |
1468 | }; | |
1469 | static const struct op_print unk_op_print_tab[] = | |
1470 | { | |
1471 | {NULL, OP_NULL, PREC_NULL, 0} | |
c906108c SS |
1472 | }; |
1473 | ||
c5aa993b JM |
1474 | const struct language_defn unknown_language_defn = |
1475 | { | |
c906108c SS |
1476 | "unknown", |
1477 | language_unknown, | |
1478 | &unknown_builtin_types[0], | |
1479 | range_check_off, | |
1480 | type_check_off, | |
63872f9d | 1481 | case_sensitive_on, |
c906108c SS |
1482 | unk_lang_parser, |
1483 | unk_lang_error, | |
1484 | evaluate_subexp_standard, | |
1485 | unk_lang_printchar, /* Print character constant */ | |
1486 | unk_lang_printstr, | |
1487 | unk_lang_emit_char, | |
1488 | unk_lang_create_fundamental_type, | |
1489 | unk_lang_print_type, /* Print a type using appropriate syntax */ | |
1490 | unk_lang_val_print, /* Print a value using appropriate syntax */ | |
1491 | unk_lang_value_print, /* Print a top-level value */ | |
c5aa993b JM |
1492 | {"", "", "", ""}, /* Binary format info */ |
1493 | {"0%lo", "0", "o", ""}, /* Octal format info */ | |
1494 | {"%ld", "", "d", ""}, /* Decimal format info */ | |
1495 | {"0x%lx", "0x", "x", ""}, /* Hex format info */ | |
c906108c SS |
1496 | unk_op_print_tab, /* expression operators for printing */ |
1497 | 1, /* c-style arrays */ | |
1498 | 0, /* String lower bound */ | |
c5aa993b | 1499 | &builtin_type_char, /* Type of string elements */ |
c906108c SS |
1500 | LANG_MAGIC |
1501 | }; | |
1502 | ||
1503 | /* These two structs define fake entries for the "local" and "auto" options. */ | |
c5aa993b JM |
1504 | const struct language_defn auto_language_defn = |
1505 | { | |
c906108c SS |
1506 | "auto", |
1507 | language_auto, | |
1508 | &unknown_builtin_types[0], | |
1509 | range_check_off, | |
1510 | type_check_off, | |
63872f9d | 1511 | case_sensitive_on, |
c906108c SS |
1512 | unk_lang_parser, |
1513 | unk_lang_error, | |
1514 | evaluate_subexp_standard, | |
1515 | unk_lang_printchar, /* Print character constant */ | |
1516 | unk_lang_printstr, | |
1517 | unk_lang_emit_char, | |
1518 | unk_lang_create_fundamental_type, | |
1519 | unk_lang_print_type, /* Print a type using appropriate syntax */ | |
1520 | unk_lang_val_print, /* Print a value using appropriate syntax */ | |
1521 | unk_lang_value_print, /* Print a top-level value */ | |
c5aa993b JM |
1522 | {"", "", "", ""}, /* Binary format info */ |
1523 | {"0%lo", "0", "o", ""}, /* Octal format info */ | |
1524 | {"%ld", "", "d", ""}, /* Decimal format info */ | |
1525 | {"0x%lx", "0x", "x", ""}, /* Hex format info */ | |
c906108c SS |
1526 | unk_op_print_tab, /* expression operators for printing */ |
1527 | 1, /* c-style arrays */ | |
1528 | 0, /* String lower bound */ | |
c5aa993b | 1529 | &builtin_type_char, /* Type of string elements */ |
c906108c SS |
1530 | LANG_MAGIC |
1531 | }; | |
1532 | ||
c5aa993b JM |
1533 | const struct language_defn local_language_defn = |
1534 | { | |
c906108c SS |
1535 | "local", |
1536 | language_auto, | |
1537 | &unknown_builtin_types[0], | |
1538 | range_check_off, | |
1539 | type_check_off, | |
63872f9d | 1540 | case_sensitive_on, |
c906108c SS |
1541 | unk_lang_parser, |
1542 | unk_lang_error, | |
1543 | evaluate_subexp_standard, | |
1544 | unk_lang_printchar, /* Print character constant */ | |
1545 | unk_lang_printstr, | |
1546 | unk_lang_emit_char, | |
1547 | unk_lang_create_fundamental_type, | |
1548 | unk_lang_print_type, /* Print a type using appropriate syntax */ | |
1549 | unk_lang_val_print, /* Print a value using appropriate syntax */ | |
1550 | unk_lang_value_print, /* Print a top-level value */ | |
c5aa993b JM |
1551 | {"", "", "", ""}, /* Binary format info */ |
1552 | {"0%lo", "0", "o", ""}, /* Octal format info */ | |
1553 | {"%ld", "", "d", ""}, /* Decimal format info */ | |
1554 | {"0x%lx", "0x", "x", ""}, /* Hex format info */ | |
c906108c SS |
1555 | unk_op_print_tab, /* expression operators for printing */ |
1556 | 1, /* c-style arrays */ | |
1557 | 0, /* String lower bound */ | |
c5aa993b | 1558 | &builtin_type_char, /* Type of string elements */ |
c906108c SS |
1559 | LANG_MAGIC |
1560 | }; | |
1561 | \f | |
1562 | /* Initialize the language routines */ | |
1563 | ||
1564 | void | |
fba45db2 | 1565 | _initialize_language (void) |
c906108c | 1566 | { |
c5aa993b JM |
1567 | struct cmd_list_element *set, *show; |
1568 | ||
1569 | /* GDB commands for language specific stuff */ | |
1570 | ||
1571 | set = add_set_cmd ("language", class_support, var_string_noescape, | |
1572 | (char *) &language, | |
1573 | "Set the current source language.", | |
1574 | &setlist); | |
1575 | show = add_show_from_set (set, &showlist); | |
1576 | set->function.cfunc = set_language_command; | |
1577 | show->function.cfunc = show_language_command; | |
1578 | ||
1579 | add_prefix_cmd ("check", no_class, set_check, | |
1580 | "Set the status of the type/range checker", | |
1581 | &setchecklist, "set check ", 0, &setlist); | |
1582 | add_alias_cmd ("c", "check", no_class, 1, &setlist); | |
1583 | add_alias_cmd ("ch", "check", no_class, 1, &setlist); | |
1584 | ||
1585 | add_prefix_cmd ("check", no_class, show_check, | |
1586 | "Show the status of the type/range checker", | |
1587 | &showchecklist, "show check ", 0, &showlist); | |
1588 | add_alias_cmd ("c", "check", no_class, 1, &showlist); | |
1589 | add_alias_cmd ("ch", "check", no_class, 1, &showlist); | |
1590 | ||
1591 | set = add_set_cmd ("type", class_support, var_string_noescape, | |
1592 | (char *) &type, | |
1593 | "Set type checking. (on/warn/off/auto)", | |
1594 | &setchecklist); | |
1595 | show = add_show_from_set (set, &showchecklist); | |
1596 | set->function.cfunc = set_type_command; | |
1597 | show->function.cfunc = show_type_command; | |
1598 | ||
1599 | set = add_set_cmd ("range", class_support, var_string_noescape, | |
1600 | (char *) &range, | |
1601 | "Set range checking. (on/warn/off/auto)", | |
1602 | &setchecklist); | |
1603 | show = add_show_from_set (set, &showchecklist); | |
1604 | set->function.cfunc = set_range_command; | |
1605 | show->function.cfunc = show_range_command; | |
1606 | ||
63872f9d JG |
1607 | set = add_set_cmd ("case-sensitive", class_support, var_string_noescape, |
1608 | (char *) &case_sensitive, | |
1609 | "Set case sensitivity in name search. (on/off/auto)\n\ | |
1610 | For Fortran the default is off; for other languages the default is on.", | |
1611 | &setlist); | |
1612 | show = add_show_from_set (set, &showlist); | |
1613 | set->function.cfunc = set_case_command; | |
1614 | show->function.cfunc = show_case_command; | |
1615 | ||
c5aa993b JM |
1616 | add_language (&unknown_language_defn); |
1617 | add_language (&local_language_defn); | |
1618 | add_language (&auto_language_defn); | |
1619 | ||
1620 | language = savestring ("auto", strlen ("auto")); | |
ed9a39eb | 1621 | type = savestring ("auto", strlen ("auto")); |
ed9a39eb | 1622 | range = savestring ("auto", strlen ("auto")); |
63872f9d JG |
1623 | case_sensitive = savestring ("auto",strlen ("auto")); |
1624 | ||
1625 | /* Have the above take effect */ | |
1626 | set_language (language_auto); | |
c906108c | 1627 | } |