Commit | Line | Data |
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c906108c | 1 | /* C language support routines for GDB, the GNU debugger. |
ce27fb25 | 2 | |
e2882c85 | 3 | Copyright (C) 1992-2018 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
21 | #include "symtab.h" | |
22 | #include "gdbtypes.h" | |
23 | #include "expression.h" | |
24 | #include "parser-defs.h" | |
25 | #include "language.h" | |
a53b64ea | 26 | #include "varobj.h" |
c906108c | 27 | #include "c-lang.h" |
745b8ca0 | 28 | #include "valprint.h" |
84f0252a | 29 | #include "macroscope.h" |
234b45d4 | 30 | #include "charset.h" |
9a3d7dfd | 31 | #include "demangle.h" |
b18be20d | 32 | #include "cp-abi.h" |
1fcb5155 | 33 | #include "cp-support.h" |
6c7a06a3 TT |
34 | #include "gdb_obstack.h" |
35 | #include <ctype.h> | |
578d3588 | 36 | #include "gdbcore.h" |
c906108c | 37 | |
6c7a06a3 TT |
38 | /* Given a C string type, STR_TYPE, return the corresponding target |
39 | character set name. */ | |
40 | ||
41 | static const char * | |
0c801b96 | 42 | charset_for_string_type (c_string_type str_type, struct gdbarch *gdbarch) |
6c7a06a3 TT |
43 | { |
44 | switch (str_type & ~C_CHAR) | |
45 | { | |
46 | case C_STRING: | |
f870a310 | 47 | return target_charset (gdbarch); |
6c7a06a3 | 48 | case C_WIDE_STRING: |
f870a310 | 49 | return target_wide_charset (gdbarch); |
6c7a06a3 | 50 | case C_STRING_16: |
b8899f2b | 51 | /* FIXME: UTF-16 is not always correct. */ |
f870a310 | 52 | if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) |
b8899f2b | 53 | return "UTF-16BE"; |
6c7a06a3 | 54 | else |
b8899f2b | 55 | return "UTF-16LE"; |
6c7a06a3 | 56 | case C_STRING_32: |
b8899f2b | 57 | /* FIXME: UTF-32 is not always correct. */ |
f870a310 | 58 | if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) |
b8899f2b | 59 | return "UTF-32BE"; |
6c7a06a3 | 60 | else |
b8899f2b | 61 | return "UTF-32LE"; |
6c7a06a3 | 62 | } |
9b20d036 | 63 | internal_error (__FILE__, __LINE__, _("unhandled c_string_type")); |
6c7a06a3 TT |
64 | } |
65 | ||
66 | /* Classify ELTTYPE according to what kind of character it is. Return | |
67 | the enum constant representing the character type. Also set | |
68 | *ENCODING to the name of the character set to use when converting | |
aff410f1 MS |
69 | characters of this type in target BYTE_ORDER to the host character |
70 | set. */ | |
6c7a06a3 | 71 | |
0c801b96 | 72 | static c_string_type |
f870a310 | 73 | classify_type (struct type *elttype, struct gdbarch *gdbarch, |
e17a4113 | 74 | const char **encoding) |
6c7a06a3 | 75 | { |
0c801b96 | 76 | c_string_type result; |
6c7a06a3 | 77 | |
85e306ed TT |
78 | /* We loop because ELTTYPE may be a typedef, and we want to |
79 | successively peel each typedef until we reach a type we | |
80 | understand. We don't use CHECK_TYPEDEF because that will strip | |
81 | all typedefs at once -- but in C, wchar_t is itself a typedef, so | |
82 | that would do the wrong thing. */ | |
83 | while (elttype) | |
6c7a06a3 | 84 | { |
0d5cff50 | 85 | const char *name = TYPE_NAME (elttype); |
6c7a06a3 TT |
86 | |
87 | if (TYPE_CODE (elttype) == TYPE_CODE_CHAR || !name) | |
88 | { | |
89 | result = C_CHAR; | |
90 | goto done; | |
91 | } | |
92 | ||
93 | if (!strcmp (name, "wchar_t")) | |
94 | { | |
95 | result = C_WIDE_CHAR; | |
96 | goto done; | |
97 | } | |
98 | ||
99 | if (!strcmp (name, "char16_t")) | |
100 | { | |
101 | result = C_CHAR_16; | |
102 | goto done; | |
103 | } | |
104 | ||
105 | if (!strcmp (name, "char32_t")) | |
106 | { | |
107 | result = C_CHAR_32; | |
108 | goto done; | |
109 | } | |
110 | ||
85e306ed TT |
111 | if (TYPE_CODE (elttype) != TYPE_CODE_TYPEDEF) |
112 | break; | |
113 | ||
114 | /* Call for side effects. */ | |
115 | check_typedef (elttype); | |
116 | ||
117 | if (TYPE_TARGET_TYPE (elttype)) | |
118 | elttype = TYPE_TARGET_TYPE (elttype); | |
119 | else | |
120 | { | |
121 | /* Perhaps check_typedef did not update the target type. In | |
122 | this case, force the lookup again and hope it works out. | |
123 | It never will for C, but it might for C++. */ | |
f168693b | 124 | elttype = check_typedef (elttype); |
85e306ed | 125 | } |
6c7a06a3 | 126 | } |
6c7a06a3 TT |
127 | |
128 | /* Punt. */ | |
129 | result = C_CHAR; | |
130 | ||
131 | done: | |
e17a4113 | 132 | if (encoding) |
f870a310 | 133 | *encoding = charset_for_string_type (result, gdbarch); |
e17a4113 | 134 | |
6c7a06a3 TT |
135 | return result; |
136 | } | |
137 | ||
aff410f1 MS |
138 | /* Print the character C on STREAM as part of the contents of a |
139 | literal string whose delimiter is QUOTER. Note that that format | |
140 | for printing characters and strings is language specific. */ | |
c906108c | 141 | |
6aecb9c2 JB |
142 | void |
143 | c_emit_char (int c, struct type *type, | |
144 | struct ui_file *stream, int quoter) | |
c906108c | 145 | { |
6c7a06a3 | 146 | const char *encoding; |
234b45d4 | 147 | |
f870a310 | 148 | classify_type (type, get_type_arch (type), &encoding); |
3b2b8fea | 149 | generic_emit_char (c, type, stream, quoter, encoding); |
c906108c SS |
150 | } |
151 | ||
152 | void | |
6c7a06a3 | 153 | c_printchar (int c, struct type *type, struct ui_file *stream) |
c906108c | 154 | { |
0c801b96 | 155 | c_string_type str_type; |
6c7a06a3 | 156 | |
f870a310 | 157 | str_type = classify_type (type, get_type_arch (type), NULL); |
6c7a06a3 TT |
158 | switch (str_type) |
159 | { | |
160 | case C_CHAR: | |
161 | break; | |
162 | case C_WIDE_CHAR: | |
163 | fputc_filtered ('L', stream); | |
164 | break; | |
165 | case C_CHAR_16: | |
166 | fputc_filtered ('u', stream); | |
167 | break; | |
168 | case C_CHAR_32: | |
169 | fputc_filtered ('U', stream); | |
170 | break; | |
171 | } | |
172 | ||
c906108c | 173 | fputc_filtered ('\'', stream); |
6c7a06a3 | 174 | LA_EMIT_CHAR (c, type, stream, '\''); |
c906108c SS |
175 | fputc_filtered ('\'', stream); |
176 | } | |
177 | ||
aff410f1 MS |
178 | /* Print the character string STRING, printing at most LENGTH |
179 | characters. LENGTH is -1 if the string is nul terminated. Each | |
180 | character is WIDTH bytes long. Printing stops early if the number | |
181 | hits print_max; repeat counts are printed as appropriate. Print | |
182 | ellipses at the end if we had to stop before printing LENGTH | |
183 | characters, or if FORCE_ELLIPSES. */ | |
c906108c SS |
184 | |
185 | void | |
aff410f1 MS |
186 | c_printstr (struct ui_file *stream, struct type *type, |
187 | const gdb_byte *string, unsigned int length, | |
188 | const char *user_encoding, int force_ellipses, | |
79a45b7d | 189 | const struct value_print_options *options) |
c906108c | 190 | { |
0c801b96 | 191 | c_string_type str_type; |
3b2b8fea TT |
192 | const char *type_encoding; |
193 | const char *encoding; | |
194 | ||
f870a310 TT |
195 | str_type = (classify_type (type, get_type_arch (type), &type_encoding) |
196 | & ~C_CHAR); | |
6c7a06a3 TT |
197 | switch (str_type) |
198 | { | |
199 | case C_STRING: | |
200 | break; | |
201 | case C_WIDE_STRING: | |
202 | fputs_filtered ("L", stream); | |
203 | break; | |
204 | case C_STRING_16: | |
205 | fputs_filtered ("u", stream); | |
206 | break; | |
207 | case C_STRING_32: | |
208 | fputs_filtered ("U", stream); | |
209 | break; | |
210 | } | |
211 | ||
3b2b8fea | 212 | encoding = (user_encoding && *user_encoding) ? user_encoding : type_encoding; |
6c7a06a3 | 213 | |
3b2b8fea TT |
214 | generic_printstr (stream, type, string, length, encoding, force_ellipses, |
215 | '"', 1, options); | |
c906108c | 216 | } |
ae6a3a4c TJB |
217 | |
218 | /* Obtain a C string from the inferior storing it in a newly allocated | |
aff410f1 MS |
219 | buffer in BUFFER, which should be freed by the caller. If the in- |
220 | and out-parameter *LENGTH is specified at -1, the string is read | |
fbb8f299 | 221 | until a null character of the appropriate width is found, otherwise |
aff410f1 MS |
222 | the string is read to the length of characters specified. The size |
223 | of a character is determined by the length of the target type of | |
0987cf35 DE |
224 | the pointer or array. |
225 | ||
226 | If VALUE is an array with a known length, and *LENGTH is -1, | |
227 | the function will not read past the end of the array. However, any | |
228 | declared size of the array is ignored if *LENGTH > 0. | |
229 | ||
230 | On completion, *LENGTH will be set to the size of the string read in | |
fbb8f299 PM |
231 | characters. (If a length of -1 is specified, the length returned |
232 | will not include the null character). CHARSET is always set to the | |
233 | target charset. */ | |
ae6a3a4c TJB |
234 | |
235 | void | |
aff410f1 MS |
236 | c_get_string (struct value *value, gdb_byte **buffer, |
237 | int *length, struct type **char_type, | |
238 | const char **charset) | |
ae6a3a4c TJB |
239 | { |
240 | int err, width; | |
241 | unsigned int fetchlimit; | |
242 | struct type *type = check_typedef (value_type (value)); | |
243 | struct type *element_type = TYPE_TARGET_TYPE (type); | |
fbb8f299 | 244 | int req_length = *length; |
aff410f1 MS |
245 | enum bfd_endian byte_order |
246 | = gdbarch_byte_order (get_type_arch (type)); | |
ae6a3a4c TJB |
247 | |
248 | if (element_type == NULL) | |
249 | goto error; | |
250 | ||
251 | if (TYPE_CODE (type) == TYPE_CODE_ARRAY) | |
252 | { | |
aff410f1 MS |
253 | /* If we know the size of the array, we can use it as a limit on |
254 | the number of characters to be fetched. */ | |
ae6a3a4c TJB |
255 | if (TYPE_NFIELDS (type) == 1 |
256 | && TYPE_CODE (TYPE_FIELD_TYPE (type, 0)) == TYPE_CODE_RANGE) | |
257 | { | |
258 | LONGEST low_bound, high_bound; | |
259 | ||
260 | get_discrete_bounds (TYPE_FIELD_TYPE (type, 0), | |
261 | &low_bound, &high_bound); | |
262 | fetchlimit = high_bound - low_bound + 1; | |
263 | } | |
264 | else | |
265 | fetchlimit = UINT_MAX; | |
266 | } | |
267 | else if (TYPE_CODE (type) == TYPE_CODE_PTR) | |
268 | fetchlimit = UINT_MAX; | |
269 | else | |
270 | /* We work only with arrays and pointers. */ | |
271 | goto error; | |
272 | ||
96c07c5b | 273 | if (! c_textual_element_type (element_type, 0)) |
ae6a3a4c | 274 | goto error; |
df54f8eb | 275 | classify_type (element_type, get_type_arch (element_type), charset); |
ae6a3a4c TJB |
276 | width = TYPE_LENGTH (element_type); |
277 | ||
aff410f1 MS |
278 | /* If the string lives in GDB's memory instead of the inferior's, |
279 | then we just need to copy it to BUFFER. Also, since such strings | |
280 | are arrays with known size, FETCHLIMIT will hold the size of the | |
281 | array. */ | |
ae6a3a4c TJB |
282 | if ((VALUE_LVAL (value) == not_lval |
283 | || VALUE_LVAL (value) == lval_internalvar) | |
284 | && fetchlimit != UINT_MAX) | |
285 | { | |
286 | int i; | |
287 | const gdb_byte *contents = value_contents (value); | |
288 | ||
fbb8f299 PM |
289 | /* If a length is specified, use that. */ |
290 | if (*length >= 0) | |
291 | i = *length; | |
292 | else | |
293 | /* Otherwise, look for a null character. */ | |
294 | for (i = 0; i < fetchlimit; i++) | |
aff410f1 MS |
295 | if (extract_unsigned_integer (contents + i * width, |
296 | width, byte_order) == 0) | |
fbb8f299 PM |
297 | break; |
298 | ||
299 | /* I is now either a user-defined length, the number of non-null | |
300 | characters, or FETCHLIMIT. */ | |
ae6a3a4c | 301 | *length = i * width; |
224c3ddb | 302 | *buffer = (gdb_byte *) xmalloc (*length); |
ae6a3a4c TJB |
303 | memcpy (*buffer, contents, *length); |
304 | err = 0; | |
305 | } | |
306 | else | |
307 | { | |
621c8364 TT |
308 | CORE_ADDR addr = value_as_address (value); |
309 | ||
0987cf35 DE |
310 | /* Prior to the fix for PR 16196 read_string would ignore fetchlimit |
311 | if length > 0. The old "broken" behaviour is the behaviour we want: | |
312 | The caller may want to fetch 100 bytes from a variable length array | |
313 | implemented using the common idiom of having an array of length 1 at | |
314 | the end of a struct. In this case we want to ignore the declared | |
315 | size of the array. However, it's counterintuitive to implement that | |
316 | behaviour in read_string: what does fetchlimit otherwise mean if | |
317 | length > 0. Therefore we implement the behaviour we want here: | |
318 | If *length > 0, don't specify a fetchlimit. This preserves the | |
319 | previous behaviour. We could move this check above where we know | |
320 | whether the array is declared with a fixed size, but we only want | |
321 | to apply this behaviour when calling read_string. PR 16286. */ | |
322 | if (*length > 0) | |
323 | fetchlimit = UINT_MAX; | |
324 | ||
621c8364 TT |
325 | err = read_string (addr, *length, width, fetchlimit, |
326 | byte_order, buffer, length); | |
d09f2c3f | 327 | if (err != 0) |
ae6a3a4c | 328 | { |
8ea5dfdf | 329 | xfree (*buffer); |
d09f2c3f | 330 | memory_error (TARGET_XFER_E_IO, addr); |
ae6a3a4c TJB |
331 | } |
332 | } | |
333 | ||
fbb8f299 PM |
334 | /* If the LENGTH is specified at -1, we want to return the string |
335 | length up to the terminating null character. If an actual length | |
336 | was specified, we want to return the length of exactly what was | |
337 | read. */ | |
338 | if (req_length == -1) | |
339 | /* If the last character is null, subtract it from LENGTH. */ | |
340 | if (*length > 0 | |
aff410f1 MS |
341 | && extract_unsigned_integer (*buffer + *length - width, |
342 | width, byte_order) == 0) | |
fbb8f299 PM |
343 | *length -= width; |
344 | ||
345 | /* The read_string function will return the number of bytes read. | |
346 | If length returned from read_string was > 0, return the number of | |
347 | characters read by dividing the number of bytes by width. */ | |
348 | if (*length != 0) | |
349 | *length = *length / width; | |
ae6a3a4c | 350 | |
96c07c5b | 351 | *char_type = element_type; |
ae6a3a4c TJB |
352 | |
353 | return; | |
354 | ||
355 | error: | |
356 | { | |
2f408ecb PA |
357 | std::string type_str = type_to_string (type); |
358 | if (!type_str.empty ()) | |
ae6a3a4c | 359 | { |
ae6a3a4c | 360 | error (_("Trying to read string with inappropriate type `%s'."), |
2f408ecb | 361 | type_str.c_str ()); |
ae6a3a4c TJB |
362 | } |
363 | else | |
364 | error (_("Trying to read string with inappropriate type.")); | |
365 | } | |
366 | } | |
367 | ||
c906108c | 368 | \f |
6c7a06a3 TT |
369 | /* Evaluating C and C++ expressions. */ |
370 | ||
371 | /* Convert a UCN. The digits of the UCN start at P and extend no | |
372 | farther than LIMIT. DEST_CHARSET is the name of the character set | |
373 | into which the UCN should be converted. The results are written to | |
374 | OUTPUT. LENGTH is the maximum length of the UCN, either 4 or 8. | |
375 | Returns a pointer to just after the final digit of the UCN. */ | |
376 | ||
377 | static char * | |
378 | convert_ucn (char *p, char *limit, const char *dest_charset, | |
379 | struct obstack *output, int length) | |
380 | { | |
381 | unsigned long result = 0; | |
382 | gdb_byte data[4]; | |
383 | int i; | |
384 | ||
385 | for (i = 0; i < length && p < limit && isxdigit (*p); ++i, ++p) | |
386 | result = (result << 4) + host_hex_value (*p); | |
387 | ||
388 | for (i = 3; i >= 0; --i) | |
389 | { | |
390 | data[i] = result & 0xff; | |
391 | result >>= 8; | |
392 | } | |
393 | ||
aff410f1 MS |
394 | convert_between_encodings ("UTF-32BE", dest_charset, data, |
395 | 4, 4, output, translit_none); | |
6c7a06a3 TT |
396 | |
397 | return p; | |
398 | } | |
399 | ||
400 | /* Emit a character, VALUE, which was specified numerically, to | |
401 | OUTPUT. TYPE is the target character type. */ | |
402 | ||
403 | static void | |
404 | emit_numeric_character (struct type *type, unsigned long value, | |
405 | struct obstack *output) | |
406 | { | |
407 | gdb_byte *buffer; | |
408 | ||
224c3ddb | 409 | buffer = (gdb_byte *) alloca (TYPE_LENGTH (type)); |
6c7a06a3 TT |
410 | pack_long (buffer, type, value); |
411 | obstack_grow (output, buffer, TYPE_LENGTH (type)); | |
412 | } | |
413 | ||
414 | /* Convert an octal escape sequence. TYPE is the target character | |
415 | type. The digits of the escape sequence begin at P and extend no | |
416 | farther than LIMIT. The result is written to OUTPUT. Returns a | |
417 | pointer to just after the final digit of the escape sequence. */ | |
418 | ||
419 | static char * | |
aff410f1 MS |
420 | convert_octal (struct type *type, char *p, |
421 | char *limit, struct obstack *output) | |
6c7a06a3 | 422 | { |
30b66ecc | 423 | int i; |
6c7a06a3 TT |
424 | unsigned long value = 0; |
425 | ||
30b66ecc TT |
426 | for (i = 0; |
427 | i < 3 && p < limit && isdigit (*p) && *p != '8' && *p != '9'; | |
428 | ++i) | |
6c7a06a3 TT |
429 | { |
430 | value = 8 * value + host_hex_value (*p); | |
431 | ++p; | |
432 | } | |
433 | ||
434 | emit_numeric_character (type, value, output); | |
435 | ||
436 | return p; | |
437 | } | |
438 | ||
439 | /* Convert a hex escape sequence. TYPE is the target character type. | |
440 | The digits of the escape sequence begin at P and extend no farther | |
441 | than LIMIT. The result is written to OUTPUT. Returns a pointer to | |
442 | just after the final digit of the escape sequence. */ | |
443 | ||
444 | static char * | |
aff410f1 MS |
445 | convert_hex (struct type *type, char *p, |
446 | char *limit, struct obstack *output) | |
6c7a06a3 TT |
447 | { |
448 | unsigned long value = 0; | |
449 | ||
450 | while (p < limit && isxdigit (*p)) | |
451 | { | |
452 | value = 16 * value + host_hex_value (*p); | |
453 | ++p; | |
454 | } | |
455 | ||
456 | emit_numeric_character (type, value, output); | |
457 | ||
458 | return p; | |
459 | } | |
460 | ||
461 | #define ADVANCE \ | |
462 | do { \ | |
463 | ++p; \ | |
464 | if (p == limit) \ | |
465 | error (_("Malformed escape sequence")); \ | |
466 | } while (0) | |
467 | ||
468 | /* Convert an escape sequence to a target format. TYPE is the target | |
469 | character type to use, and DEST_CHARSET is the name of the target | |
470 | character set. The backslash of the escape sequence is at *P, and | |
471 | the escape sequence will not extend past LIMIT. The results are | |
472 | written to OUTPUT. Returns a pointer to just past the final | |
473 | character of the escape sequence. */ | |
474 | ||
475 | static char * | |
476 | convert_escape (struct type *type, const char *dest_charset, | |
477 | char *p, char *limit, struct obstack *output) | |
478 | { | |
479 | /* Skip the backslash. */ | |
480 | ADVANCE; | |
481 | ||
482 | switch (*p) | |
483 | { | |
484 | case '\\': | |
485 | obstack_1grow (output, '\\'); | |
486 | ++p; | |
487 | break; | |
488 | ||
489 | case 'x': | |
490 | ADVANCE; | |
491 | if (!isxdigit (*p)) | |
492 | error (_("\\x used with no following hex digits.")); | |
493 | p = convert_hex (type, p, limit, output); | |
494 | break; | |
495 | ||
496 | case '0': | |
497 | case '1': | |
498 | case '2': | |
499 | case '3': | |
500 | case '4': | |
501 | case '5': | |
502 | case '6': | |
503 | case '7': | |
504 | p = convert_octal (type, p, limit, output); | |
505 | break; | |
506 | ||
507 | case 'u': | |
508 | case 'U': | |
509 | { | |
510 | int length = *p == 'u' ? 4 : 8; | |
c5504eaf | 511 | |
6c7a06a3 TT |
512 | ADVANCE; |
513 | if (!isxdigit (*p)) | |
514 | error (_("\\u used with no following hex digits")); | |
515 | p = convert_ucn (p, limit, dest_charset, output, length); | |
516 | } | |
517 | } | |
518 | ||
519 | return p; | |
520 | } | |
521 | ||
522 | /* Given a single string from a (C-specific) OP_STRING list, convert | |
523 | it to a target string, handling escape sequences specially. The | |
524 | output is written to OUTPUT. DATA is the input string, which has | |
525 | length LEN. DEST_CHARSET is the name of the target character set, | |
526 | and TYPE is the type of target character to use. */ | |
527 | ||
528 | static void | |
529 | parse_one_string (struct obstack *output, char *data, int len, | |
530 | const char *dest_charset, struct type *type) | |
531 | { | |
532 | char *limit; | |
533 | ||
534 | limit = data + len; | |
535 | ||
536 | while (data < limit) | |
537 | { | |
538 | char *p = data; | |
c5504eaf | 539 | |
6c7a06a3 TT |
540 | /* Look for next escape, or the end of the input. */ |
541 | while (p < limit && *p != '\\') | |
542 | ++p; | |
543 | /* If we saw a run of characters, convert them all. */ | |
544 | if (p > data) | |
545 | convert_between_encodings (host_charset (), dest_charset, | |
ac91cd70 | 546 | (gdb_byte *) data, p - data, 1, |
aff410f1 | 547 | output, translit_none); |
6c7a06a3 TT |
548 | /* If we saw an escape, convert it. */ |
549 | if (p < limit) | |
550 | p = convert_escape (type, dest_charset, p, limit, output); | |
551 | data = p; | |
552 | } | |
553 | } | |
554 | ||
555 | /* Expression evaluator for the C language family. Most operations | |
556 | are delegated to evaluate_subexp_standard; see that function for a | |
557 | description of the arguments. */ | |
558 | ||
f4b8a18d | 559 | struct value * |
6c7a06a3 TT |
560 | evaluate_subexp_c (struct type *expect_type, struct expression *exp, |
561 | int *pos, enum noside noside) | |
562 | { | |
563 | enum exp_opcode op = exp->elts[*pos].opcode; | |
564 | ||
565 | switch (op) | |
566 | { | |
567 | case OP_STRING: | |
568 | { | |
569 | int oplen, limit; | |
570 | struct type *type; | |
6c7a06a3 | 571 | struct value *result; |
0c801b96 | 572 | c_string_type dest_type; |
6c7a06a3 | 573 | const char *dest_charset; |
c50491a7 | 574 | int satisfy_expected = 0; |
6c7a06a3 | 575 | |
8268c778 | 576 | auto_obstack output; |
6c7a06a3 TT |
577 | |
578 | ++*pos; | |
579 | oplen = longest_to_int (exp->elts[*pos].longconst); | |
580 | ||
581 | ++*pos; | |
582 | limit = *pos + BYTES_TO_EXP_ELEM (oplen + 1); | |
0c801b96 SM |
583 | dest_type = ((enum c_string_type_values) |
584 | longest_to_int (exp->elts[*pos].longconst)); | |
6c7a06a3 TT |
585 | switch (dest_type & ~C_CHAR) |
586 | { | |
587 | case C_STRING: | |
d80b854b UW |
588 | type = language_string_char_type (exp->language_defn, |
589 | exp->gdbarch); | |
6c7a06a3 TT |
590 | break; |
591 | case C_WIDE_STRING: | |
e6c014f2 UW |
592 | type = lookup_typename (exp->language_defn, exp->gdbarch, |
593 | "wchar_t", NULL, 0); | |
6c7a06a3 TT |
594 | break; |
595 | case C_STRING_16: | |
e6c014f2 UW |
596 | type = lookup_typename (exp->language_defn, exp->gdbarch, |
597 | "char16_t", NULL, 0); | |
6c7a06a3 TT |
598 | break; |
599 | case C_STRING_32: | |
e6c014f2 UW |
600 | type = lookup_typename (exp->language_defn, exp->gdbarch, |
601 | "char32_t", NULL, 0); | |
6c7a06a3 TT |
602 | break; |
603 | default: | |
9b20d036 | 604 | internal_error (__FILE__, __LINE__, _("unhandled c_string_type")); |
6c7a06a3 | 605 | } |
546e879e TT |
606 | |
607 | /* Ensure TYPE_LENGTH is valid for TYPE. */ | |
608 | check_typedef (type); | |
609 | ||
c50491a7 TT |
610 | /* If the caller expects an array of some integral type, |
611 | satisfy them. If something odder is expected, rely on the | |
612 | caller to cast. */ | |
613 | if (expect_type && TYPE_CODE (expect_type) == TYPE_CODE_ARRAY) | |
614 | { | |
615 | struct type *element_type | |
616 | = check_typedef (TYPE_TARGET_TYPE (expect_type)); | |
617 | ||
618 | if (TYPE_CODE (element_type) == TYPE_CODE_INT | |
619 | || TYPE_CODE (element_type) == TYPE_CODE_CHAR) | |
620 | { | |
621 | type = element_type; | |
622 | satisfy_expected = 1; | |
623 | } | |
624 | } | |
625 | ||
f870a310 | 626 | dest_charset = charset_for_string_type (dest_type, exp->gdbarch); |
6c7a06a3 TT |
627 | |
628 | ++*pos; | |
629 | while (*pos < limit) | |
630 | { | |
631 | int len; | |
632 | ||
633 | len = longest_to_int (exp->elts[*pos].longconst); | |
634 | ||
635 | ++*pos; | |
636 | if (noside != EVAL_SKIP) | |
637 | parse_one_string (&output, &exp->elts[*pos].string, len, | |
638 | dest_charset, type); | |
639 | *pos += BYTES_TO_EXP_ELEM (len); | |
640 | } | |
641 | ||
642 | /* Skip the trailing length and opcode. */ | |
643 | *pos += 2; | |
644 | ||
645 | if (noside == EVAL_SKIP) | |
334cc82d TT |
646 | { |
647 | /* Return a dummy value of the appropriate type. */ | |
c50491a7 TT |
648 | if (expect_type != NULL) |
649 | result = allocate_value (expect_type); | |
650 | else if ((dest_type & C_CHAR) != 0) | |
334cc82d TT |
651 | result = allocate_value (type); |
652 | else | |
3b7538c0 | 653 | result = value_cstring ("", 0, type); |
334cc82d TT |
654 | return result; |
655 | } | |
6c7a06a3 TT |
656 | |
657 | if ((dest_type & C_CHAR) != 0) | |
658 | { | |
659 | LONGEST value; | |
660 | ||
661 | if (obstack_object_size (&output) != TYPE_LENGTH (type)) | |
3e43a32a MS |
662 | error (_("Could not convert character " |
663 | "constant to target character set")); | |
51a5cd90 | 664 | value = unpack_long (type, (gdb_byte *) obstack_base (&output)); |
6c7a06a3 TT |
665 | result = value_from_longest (type, value); |
666 | } | |
667 | else | |
668 | { | |
669 | int i; | |
c5504eaf | 670 | |
6c7a06a3 TT |
671 | /* Write the terminating character. */ |
672 | for (i = 0; i < TYPE_LENGTH (type); ++i) | |
673 | obstack_1grow (&output, 0); | |
c50491a7 TT |
674 | |
675 | if (satisfy_expected) | |
676 | { | |
677 | LONGEST low_bound, high_bound; | |
678 | int element_size = TYPE_LENGTH (type); | |
679 | ||
680 | if (get_discrete_bounds (TYPE_INDEX_TYPE (expect_type), | |
681 | &low_bound, &high_bound) < 0) | |
682 | { | |
683 | low_bound = 0; | |
684 | high_bound = (TYPE_LENGTH (expect_type) / element_size) - 1; | |
685 | } | |
686 | if (obstack_object_size (&output) / element_size | |
687 | > (high_bound - low_bound + 1)) | |
688 | error (_("Too many array elements")); | |
689 | ||
690 | result = allocate_value (expect_type); | |
691 | memcpy (value_contents_raw (result), obstack_base (&output), | |
692 | obstack_object_size (&output)); | |
693 | } | |
694 | else | |
79f33898 | 695 | result = value_cstring ((const char *) obstack_base (&output), |
c50491a7 TT |
696 | obstack_object_size (&output), |
697 | type); | |
6c7a06a3 | 698 | } |
6c7a06a3 TT |
699 | return result; |
700 | } | |
701 | break; | |
702 | ||
703 | default: | |
704 | break; | |
705 | } | |
706 | return evaluate_subexp_standard (expect_type, exp, pos, noside); | |
707 | } | |
43cc5389 TT |
708 | \f |
709 | /* la_watch_location_expression for C. */ | |
c5aa993b | 710 | |
43cc5389 TT |
711 | gdb::unique_xmalloc_ptr<char> |
712 | c_watch_location_expression (struct type *type, CORE_ADDR addr) | |
713 | { | |
714 | type = check_typedef (TYPE_TARGET_TYPE (check_typedef (type))); | |
715 | std::string name = type_to_string (type); | |
716 | return gdb::unique_xmalloc_ptr<char> | |
717 | (xstrprintf ("* (%s *) %s", name.c_str (), core_addr_to_string (addr))); | |
718 | } | |
84f0252a | 719 | |
84f0252a | 720 | \f |
c906108c SS |
721 | /* Table mapping opcodes into strings for printing operators |
722 | and precedences of the operators. */ | |
723 | ||
724 | const struct op_print c_op_print_tab[] = | |
c5aa993b JM |
725 | { |
726 | {",", BINOP_COMMA, PREC_COMMA, 0}, | |
727 | {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, | |
728 | {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, | |
729 | {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, | |
730 | {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0}, | |
731 | {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0}, | |
732 | {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0}, | |
733 | {"==", BINOP_EQUAL, PREC_EQUAL, 0}, | |
734 | {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, | |
735 | {"<=", BINOP_LEQ, PREC_ORDER, 0}, | |
736 | {">=", BINOP_GEQ, PREC_ORDER, 0}, | |
737 | {">", BINOP_GTR, PREC_ORDER, 0}, | |
738 | {"<", BINOP_LESS, PREC_ORDER, 0}, | |
739 | {">>", BINOP_RSH, PREC_SHIFT, 0}, | |
740 | {"<<", BINOP_LSH, PREC_SHIFT, 0}, | |
741 | {"+", BINOP_ADD, PREC_ADD, 0}, | |
742 | {"-", BINOP_SUB, PREC_ADD, 0}, | |
743 | {"*", BINOP_MUL, PREC_MUL, 0}, | |
744 | {"/", BINOP_DIV, PREC_MUL, 0}, | |
745 | {"%", BINOP_REM, PREC_MUL, 0}, | |
746 | {"@", BINOP_REPEAT, PREC_REPEAT, 0}, | |
a016fc87 | 747 | {"+", UNOP_PLUS, PREC_PREFIX, 0}, |
c5aa993b JM |
748 | {"-", UNOP_NEG, PREC_PREFIX, 0}, |
749 | {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, | |
750 | {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0}, | |
751 | {"*", UNOP_IND, PREC_PREFIX, 0}, | |
752 | {"&", UNOP_ADDR, PREC_PREFIX, 0}, | |
753 | {"sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0}, | |
754 | {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, | |
755 | {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, | |
f486487f | 756 | {NULL, OP_NULL, PREC_PREFIX, 0} |
c906108c SS |
757 | }; |
758 | \f | |
685419e2 AC |
759 | enum c_primitive_types { |
760 | c_primitive_type_int, | |
761 | c_primitive_type_long, | |
762 | c_primitive_type_short, | |
763 | c_primitive_type_char, | |
764 | c_primitive_type_float, | |
765 | c_primitive_type_double, | |
766 | c_primitive_type_void, | |
767 | c_primitive_type_long_long, | |
768 | c_primitive_type_signed_char, | |
769 | c_primitive_type_unsigned_char, | |
770 | c_primitive_type_unsigned_short, | |
771 | c_primitive_type_unsigned_int, | |
772 | c_primitive_type_unsigned_long, | |
773 | c_primitive_type_unsigned_long_long, | |
774 | c_primitive_type_long_double, | |
775 | c_primitive_type_complex, | |
776 | c_primitive_type_double_complex, | |
213e4dc2 TJB |
777 | c_primitive_type_decfloat, |
778 | c_primitive_type_decdouble, | |
779 | c_primitive_type_declong, | |
685419e2 AC |
780 | nr_c_primitive_types |
781 | }; | |
782 | ||
e9667a65 | 783 | void |
685419e2 AC |
784 | c_language_arch_info (struct gdbarch *gdbarch, |
785 | struct language_arch_info *lai) | |
786 | { | |
787 | const struct builtin_type *builtin = builtin_type (gdbarch); | |
c5504eaf | 788 | |
e9667a65 | 789 | lai->string_char_type = builtin->builtin_char; |
685419e2 AC |
790 | lai->primitive_type_vector |
791 | = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_c_primitive_types + 1, | |
792 | struct type *); | |
793 | lai->primitive_type_vector [c_primitive_type_int] = builtin->builtin_int; | |
794 | lai->primitive_type_vector [c_primitive_type_long] = builtin->builtin_long; | |
795 | lai->primitive_type_vector [c_primitive_type_short] = builtin->builtin_short; | |
796 | lai->primitive_type_vector [c_primitive_type_char] = builtin->builtin_char; | |
797 | lai->primitive_type_vector [c_primitive_type_float] = builtin->builtin_float; | |
798 | lai->primitive_type_vector [c_primitive_type_double] = builtin->builtin_double; | |
799 | lai->primitive_type_vector [c_primitive_type_void] = builtin->builtin_void; | |
800 | lai->primitive_type_vector [c_primitive_type_long_long] = builtin->builtin_long_long; | |
801 | lai->primitive_type_vector [c_primitive_type_signed_char] = builtin->builtin_signed_char; | |
802 | lai->primitive_type_vector [c_primitive_type_unsigned_char] = builtin->builtin_unsigned_char; | |
803 | lai->primitive_type_vector [c_primitive_type_unsigned_short] = builtin->builtin_unsigned_short; | |
804 | lai->primitive_type_vector [c_primitive_type_unsigned_int] = builtin->builtin_unsigned_int; | |
805 | lai->primitive_type_vector [c_primitive_type_unsigned_long] = builtin->builtin_unsigned_long; | |
806 | lai->primitive_type_vector [c_primitive_type_unsigned_long_long] = builtin->builtin_unsigned_long_long; | |
807 | lai->primitive_type_vector [c_primitive_type_long_double] = builtin->builtin_long_double; | |
808 | lai->primitive_type_vector [c_primitive_type_complex] = builtin->builtin_complex; | |
809 | lai->primitive_type_vector [c_primitive_type_double_complex] = builtin->builtin_double_complex; | |
213e4dc2 TJB |
810 | lai->primitive_type_vector [c_primitive_type_decfloat] = builtin->builtin_decfloat; |
811 | lai->primitive_type_vector [c_primitive_type_decdouble] = builtin->builtin_decdouble; | |
812 | lai->primitive_type_vector [c_primitive_type_declong] = builtin->builtin_declong; | |
fbb06eb1 UW |
813 | |
814 | lai->bool_type_default = builtin->builtin_int; | |
cad351d1 | 815 | } |
685419e2 | 816 | |
6aecb9c2 | 817 | const struct exp_descriptor exp_descriptor_c = |
6c7a06a3 TT |
818 | { |
819 | print_subexp_standard, | |
820 | operator_length_standard, | |
c0201579 | 821 | operator_check_standard, |
6c7a06a3 TT |
822 | op_name_standard, |
823 | dump_subexp_body_standard, | |
824 | evaluate_subexp_c | |
825 | }; | |
826 | ||
56618e20 TT |
827 | static const char *c_extensions[] = |
828 | { | |
829 | ".c", NULL | |
830 | }; | |
831 | ||
47e77640 | 832 | extern const struct language_defn c_language_defn = |
c5aa993b | 833 | { |
c906108c | 834 | "c", /* Language name */ |
6abde28f | 835 | "C", |
c906108c | 836 | language_c, |
c906108c | 837 | range_check_off, |
63872f9d | 838 | case_sensitive_on, |
7ca2d3a3 | 839 | array_row_major, |
9a044a89 | 840 | macro_expansion_c, |
56618e20 | 841 | c_extensions, |
6c7a06a3 | 842 | &exp_descriptor_c, |
7c8adf68 | 843 | c_parse, |
b3f11165 | 844 | c_yyerror, |
e85c3284 | 845 | null_post_parser, |
c906108c SS |
846 | c_printchar, /* Print a character constant */ |
847 | c_printstr, /* Function to print string constant */ | |
848 | c_emit_char, /* Print a single char */ | |
c906108c | 849 | c_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 850 | c_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c SS |
851 | c_val_print, /* Print a value using appropriate syntax */ |
852 | c_value_print, /* Print a top-level value */ | |
a5ee536b | 853 | default_read_var_value, /* la_read_var_value */ |
f636b87d | 854 | NULL, /* Language specific skip_trampoline */ |
2b2d9e11 | 855 | NULL, /* name_of_this */ |
5f9a71c3 | 856 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 857 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 858 | NULL, /* Language specific symbol demangler */ |
8b302db8 | 859 | NULL, |
aff410f1 MS |
860 | NULL, /* Language specific |
861 | class_name_from_physname */ | |
c906108c SS |
862 | c_op_print_tab, /* expression operators for printing */ |
863 | 1, /* c-style arrays */ | |
864 | 0, /* String lower bound */ | |
6084f43a | 865 | default_word_break_characters, |
eb3ff9a5 | 866 | default_collect_symbol_completion_matches, |
685419e2 | 867 | c_language_arch_info, |
e79af960 | 868 | default_print_array_index, |
41f1b697 | 869 | default_pass_by_reference, |
ae6a3a4c | 870 | c_get_string, |
43cc5389 | 871 | c_watch_location_expression, |
b5ec771e | 872 | NULL, /* la_get_symbol_name_matcher */ |
f8eba3c6 | 873 | iterate_over_symbols, |
5ffa0793 | 874 | default_search_name_hash, |
a53b64ea | 875 | &c_varobj_ops, |
bb2ec1b3 TT |
876 | c_get_compile_context, |
877 | c_compute_program, | |
c906108c SS |
878 | LANG_MAGIC |
879 | }; | |
880 | ||
cad351d1 UW |
881 | enum cplus_primitive_types { |
882 | cplus_primitive_type_int, | |
883 | cplus_primitive_type_long, | |
884 | cplus_primitive_type_short, | |
885 | cplus_primitive_type_char, | |
886 | cplus_primitive_type_float, | |
887 | cplus_primitive_type_double, | |
888 | cplus_primitive_type_void, | |
889 | cplus_primitive_type_long_long, | |
890 | cplus_primitive_type_signed_char, | |
891 | cplus_primitive_type_unsigned_char, | |
892 | cplus_primitive_type_unsigned_short, | |
893 | cplus_primitive_type_unsigned_int, | |
894 | cplus_primitive_type_unsigned_long, | |
895 | cplus_primitive_type_unsigned_long_long, | |
896 | cplus_primitive_type_long_double, | |
897 | cplus_primitive_type_complex, | |
898 | cplus_primitive_type_double_complex, | |
899 | cplus_primitive_type_bool, | |
213e4dc2 TJB |
900 | cplus_primitive_type_decfloat, |
901 | cplus_primitive_type_decdouble, | |
902 | cplus_primitive_type_declong, | |
53e710ac PA |
903 | cplus_primitive_type_char16_t, |
904 | cplus_primitive_type_char32_t, | |
53375380 | 905 | cplus_primitive_type_wchar_t, |
cad351d1 | 906 | nr_cplus_primitive_types |
c906108c SS |
907 | }; |
908 | ||
cad351d1 UW |
909 | static void |
910 | cplus_language_arch_info (struct gdbarch *gdbarch, | |
911 | struct language_arch_info *lai) | |
912 | { | |
913 | const struct builtin_type *builtin = builtin_type (gdbarch); | |
c5504eaf | 914 | |
cad351d1 UW |
915 | lai->string_char_type = builtin->builtin_char; |
916 | lai->primitive_type_vector | |
917 | = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_cplus_primitive_types + 1, | |
918 | struct type *); | |
919 | lai->primitive_type_vector [cplus_primitive_type_int] | |
920 | = builtin->builtin_int; | |
921 | lai->primitive_type_vector [cplus_primitive_type_long] | |
922 | = builtin->builtin_long; | |
923 | lai->primitive_type_vector [cplus_primitive_type_short] | |
924 | = builtin->builtin_short; | |
925 | lai->primitive_type_vector [cplus_primitive_type_char] | |
926 | = builtin->builtin_char; | |
927 | lai->primitive_type_vector [cplus_primitive_type_float] | |
928 | = builtin->builtin_float; | |
929 | lai->primitive_type_vector [cplus_primitive_type_double] | |
930 | = builtin->builtin_double; | |
931 | lai->primitive_type_vector [cplus_primitive_type_void] | |
932 | = builtin->builtin_void; | |
933 | lai->primitive_type_vector [cplus_primitive_type_long_long] | |
934 | = builtin->builtin_long_long; | |
935 | lai->primitive_type_vector [cplus_primitive_type_signed_char] | |
936 | = builtin->builtin_signed_char; | |
937 | lai->primitive_type_vector [cplus_primitive_type_unsigned_char] | |
938 | = builtin->builtin_unsigned_char; | |
939 | lai->primitive_type_vector [cplus_primitive_type_unsigned_short] | |
940 | = builtin->builtin_unsigned_short; | |
941 | lai->primitive_type_vector [cplus_primitive_type_unsigned_int] | |
942 | = builtin->builtin_unsigned_int; | |
943 | lai->primitive_type_vector [cplus_primitive_type_unsigned_long] | |
944 | = builtin->builtin_unsigned_long; | |
945 | lai->primitive_type_vector [cplus_primitive_type_unsigned_long_long] | |
946 | = builtin->builtin_unsigned_long_long; | |
947 | lai->primitive_type_vector [cplus_primitive_type_long_double] | |
948 | = builtin->builtin_long_double; | |
949 | lai->primitive_type_vector [cplus_primitive_type_complex] | |
950 | = builtin->builtin_complex; | |
951 | lai->primitive_type_vector [cplus_primitive_type_double_complex] | |
952 | = builtin->builtin_double_complex; | |
953 | lai->primitive_type_vector [cplus_primitive_type_bool] | |
954 | = builtin->builtin_bool; | |
213e4dc2 TJB |
955 | lai->primitive_type_vector [cplus_primitive_type_decfloat] |
956 | = builtin->builtin_decfloat; | |
957 | lai->primitive_type_vector [cplus_primitive_type_decdouble] | |
958 | = builtin->builtin_decdouble; | |
959 | lai->primitive_type_vector [cplus_primitive_type_declong] | |
960 | = builtin->builtin_declong; | |
53e710ac PA |
961 | lai->primitive_type_vector [cplus_primitive_type_char16_t] |
962 | = builtin->builtin_char16; | |
963 | lai->primitive_type_vector [cplus_primitive_type_char32_t] | |
964 | = builtin->builtin_char32; | |
53375380 PA |
965 | lai->primitive_type_vector [cplus_primitive_type_wchar_t] |
966 | = builtin->builtin_wchar; | |
fbb06eb1 UW |
967 | |
968 | lai->bool_type_symbol = "bool"; | |
969 | lai->bool_type_default = builtin->builtin_bool; | |
cad351d1 UW |
970 | } |
971 | ||
56618e20 TT |
972 | static const char *cplus_extensions[] = |
973 | { | |
974 | ".C", ".cc", ".cp", ".cpp", ".cxx", ".c++", NULL | |
975 | }; | |
976 | ||
47e77640 | 977 | extern const struct language_defn cplus_language_defn = |
c5aa993b JM |
978 | { |
979 | "c++", /* Language name */ | |
6abde28f | 980 | "C++", |
c906108c | 981 | language_cplus, |
c906108c | 982 | range_check_off, |
63872f9d | 983 | case_sensitive_on, |
7ca2d3a3 | 984 | array_row_major, |
9a044a89 | 985 | macro_expansion_c, |
56618e20 | 986 | cplus_extensions, |
6c7a06a3 | 987 | &exp_descriptor_c, |
7c8adf68 | 988 | c_parse, |
b3f11165 | 989 | c_yyerror, |
e85c3284 | 990 | null_post_parser, |
c906108c SS |
991 | c_printchar, /* Print a character constant */ |
992 | c_printstr, /* Function to print string constant */ | |
993 | c_emit_char, /* Print a single char */ | |
c906108c | 994 | c_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 995 | c_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c SS |
996 | c_val_print, /* Print a value using appropriate syntax */ |
997 | c_value_print, /* Print a top-level value */ | |
a5ee536b | 998 | default_read_var_value, /* la_read_var_value */ |
b18be20d | 999 | cplus_skip_trampoline, /* Language specific skip_trampoline */ |
2b2d9e11 | 1000 | "this", /* name_of_this */ |
1fcb5155 | 1001 | cp_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 1002 | cp_lookup_transparent_type, /* lookup_transparent_type */ |
8de20a37 | 1003 | gdb_demangle, /* Language specific symbol demangler */ |
8b302db8 | 1004 | gdb_sniff_from_mangled_name, |
aff410f1 MS |
1005 | cp_class_name_from_physname, /* Language specific |
1006 | class_name_from_physname */ | |
c906108c SS |
1007 | c_op_print_tab, /* expression operators for printing */ |
1008 | 1, /* c-style arrays */ | |
1009 | 0, /* String lower bound */ | |
6084f43a | 1010 | default_word_break_characters, |
eb3ff9a5 | 1011 | default_collect_symbol_completion_matches, |
cad351d1 | 1012 | cplus_language_arch_info, |
e79af960 | 1013 | default_print_array_index, |
41f1b697 | 1014 | cp_pass_by_reference, |
ae6a3a4c | 1015 | c_get_string, |
43cc5389 | 1016 | c_watch_location_expression, |
b5ec771e | 1017 | cp_get_symbol_name_matcher, |
f8eba3c6 | 1018 | iterate_over_symbols, |
a20714ff | 1019 | cp_search_name_hash, |
a53b64ea | 1020 | &cplus_varobj_ops, |
bb2ec1b3 TT |
1021 | NULL, |
1022 | NULL, | |
c906108c SS |
1023 | LANG_MAGIC |
1024 | }; | |
1025 | ||
56618e20 TT |
1026 | static const char *asm_extensions[] = |
1027 | { | |
1028 | ".s", ".sx", ".S", NULL | |
1029 | }; | |
1030 | ||
47e77640 | 1031 | extern const struct language_defn asm_language_defn = |
c5aa993b | 1032 | { |
c906108c | 1033 | "asm", /* Language name */ |
6abde28f | 1034 | "assembly", |
c906108c | 1035 | language_asm, |
c906108c | 1036 | range_check_off, |
63872f9d | 1037 | case_sensitive_on, |
7ca2d3a3 | 1038 | array_row_major, |
9a044a89 | 1039 | macro_expansion_c, |
56618e20 | 1040 | asm_extensions, |
6c7a06a3 | 1041 | &exp_descriptor_c, |
7c8adf68 | 1042 | c_parse, |
b3f11165 | 1043 | c_yyerror, |
e85c3284 | 1044 | null_post_parser, |
c906108c SS |
1045 | c_printchar, /* Print a character constant */ |
1046 | c_printstr, /* Function to print string constant */ | |
1047 | c_emit_char, /* Print a single char */ | |
c906108c | 1048 | c_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 1049 | c_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c SS |
1050 | c_val_print, /* Print a value using appropriate syntax */ |
1051 | c_value_print, /* Print a top-level value */ | |
a5ee536b | 1052 | default_read_var_value, /* la_read_var_value */ |
f636b87d | 1053 | NULL, /* Language specific skip_trampoline */ |
2b2d9e11 | 1054 | NULL, /* name_of_this */ |
5f9a71c3 | 1055 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 1056 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 1057 | NULL, /* Language specific symbol demangler */ |
8b302db8 | 1058 | NULL, |
aff410f1 MS |
1059 | NULL, /* Language specific |
1060 | class_name_from_physname */ | |
c906108c SS |
1061 | c_op_print_tab, /* expression operators for printing */ |
1062 | 1, /* c-style arrays */ | |
1063 | 0, /* String lower bound */ | |
6084f43a | 1064 | default_word_break_characters, |
eb3ff9a5 | 1065 | default_collect_symbol_completion_matches, |
aff410f1 | 1066 | c_language_arch_info, /* FIXME: la_language_arch_info. */ |
e79af960 | 1067 | default_print_array_index, |
41f1b697 | 1068 | default_pass_by_reference, |
ae6a3a4c | 1069 | c_get_string, |
43cc5389 | 1070 | c_watch_location_expression, |
b5ec771e | 1071 | NULL, /* la_get_symbol_name_matcher */ |
f8eba3c6 | 1072 | iterate_over_symbols, |
5ffa0793 | 1073 | default_search_name_hash, |
a53b64ea | 1074 | &default_varobj_ops, |
bb2ec1b3 TT |
1075 | NULL, |
1076 | NULL, | |
c906108c SS |
1077 | LANG_MAGIC |
1078 | }; | |
1079 | ||
20a0e81d JB |
1080 | /* The following language_defn does not represent a real language. |
1081 | It just provides a minimal support a-la-C that should allow users | |
1082 | to do some simple operations when debugging applications that use | |
1083 | a language currently not supported by GDB. */ | |
1084 | ||
47e77640 | 1085 | extern const struct language_defn minimal_language_defn = |
20a0e81d JB |
1086 | { |
1087 | "minimal", /* Language name */ | |
6abde28f | 1088 | "Minimal", |
20a0e81d | 1089 | language_minimal, |
20a0e81d | 1090 | range_check_off, |
20a0e81d | 1091 | case_sensitive_on, |
7ca2d3a3 | 1092 | array_row_major, |
9a044a89 | 1093 | macro_expansion_c, |
56618e20 | 1094 | NULL, |
6c7a06a3 | 1095 | &exp_descriptor_c, |
7c8adf68 | 1096 | c_parse, |
b3f11165 | 1097 | c_yyerror, |
e85c3284 | 1098 | null_post_parser, |
20a0e81d JB |
1099 | c_printchar, /* Print a character constant */ |
1100 | c_printstr, /* Function to print string constant */ | |
1101 | c_emit_char, /* Print a single char */ | |
20a0e81d | 1102 | c_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 1103 | c_print_typedef, /* Print a typedef using appropriate syntax */ |
20a0e81d JB |
1104 | c_val_print, /* Print a value using appropriate syntax */ |
1105 | c_value_print, /* Print a top-level value */ | |
a5ee536b | 1106 | default_read_var_value, /* la_read_var_value */ |
20a0e81d | 1107 | NULL, /* Language specific skip_trampoline */ |
2b2d9e11 | 1108 | NULL, /* name_of_this */ |
5f9a71c3 | 1109 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 1110 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
20a0e81d | 1111 | NULL, /* Language specific symbol demangler */ |
8b302db8 | 1112 | NULL, |
aff410f1 MS |
1113 | NULL, /* Language specific |
1114 | class_name_from_physname */ | |
20a0e81d JB |
1115 | c_op_print_tab, /* expression operators for printing */ |
1116 | 1, /* c-style arrays */ | |
1117 | 0, /* String lower bound */ | |
6084f43a | 1118 | default_word_break_characters, |
eb3ff9a5 | 1119 | default_collect_symbol_completion_matches, |
e9667a65 | 1120 | c_language_arch_info, |
e79af960 | 1121 | default_print_array_index, |
41f1b697 | 1122 | default_pass_by_reference, |
ae6a3a4c | 1123 | c_get_string, |
43cc5389 | 1124 | c_watch_location_expression, |
b5ec771e | 1125 | NULL, /* la_get_symbol_name_matcher */ |
f8eba3c6 | 1126 | iterate_over_symbols, |
5ffa0793 | 1127 | default_search_name_hash, |
a53b64ea | 1128 | &default_varobj_ops, |
bb2ec1b3 TT |
1129 | NULL, |
1130 | NULL, | |
20a0e81d JB |
1131 | LANG_MAGIC |
1132 | }; |