Commit | Line | Data |
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c906108c | 1 | /* C language support routines for GDB, the GNU debugger. |
ce27fb25 | 2 | |
28e7fd62 | 3 | Copyright (C) 1992-2013 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 JB |
29 | #include "macroscope.h" |
30 | #include "gdb_assert.h" | |
234b45d4 | 31 | #include "charset.h" |
0e9f083f | 32 | #include <string.h> |
9a3d7dfd | 33 | #include "demangle.h" |
b18be20d | 34 | #include "cp-abi.h" |
1fcb5155 | 35 | #include "cp-support.h" |
6c7a06a3 TT |
36 | #include "gdb_obstack.h" |
37 | #include <ctype.h> | |
621c8364 | 38 | #include "exceptions.h" |
578d3588 | 39 | #include "gdbcore.h" |
c906108c | 40 | |
a14ed312 | 41 | extern void _initialize_c_language (void); |
6c7a06a3 TT |
42 | |
43 | /* Given a C string type, STR_TYPE, return the corresponding target | |
44 | character set name. */ | |
45 | ||
46 | static const char * | |
e17a4113 | 47 | charset_for_string_type (enum c_string_type str_type, |
f870a310 | 48 | struct gdbarch *gdbarch) |
6c7a06a3 TT |
49 | { |
50 | switch (str_type & ~C_CHAR) | |
51 | { | |
52 | case C_STRING: | |
f870a310 | 53 | return target_charset (gdbarch); |
6c7a06a3 | 54 | case C_WIDE_STRING: |
f870a310 | 55 | return target_wide_charset (gdbarch); |
6c7a06a3 | 56 | case C_STRING_16: |
b8899f2b | 57 | /* FIXME: UTF-16 is not always correct. */ |
f870a310 | 58 | if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) |
b8899f2b | 59 | return "UTF-16BE"; |
6c7a06a3 | 60 | else |
b8899f2b | 61 | return "UTF-16LE"; |
6c7a06a3 | 62 | case C_STRING_32: |
b8899f2b | 63 | /* FIXME: UTF-32 is not always correct. */ |
f870a310 | 64 | if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) |
b8899f2b | 65 | return "UTF-32BE"; |
6c7a06a3 | 66 | else |
b8899f2b | 67 | return "UTF-32LE"; |
6c7a06a3 | 68 | } |
9b20d036 | 69 | internal_error (__FILE__, __LINE__, _("unhandled c_string_type")); |
6c7a06a3 TT |
70 | } |
71 | ||
72 | /* Classify ELTTYPE according to what kind of character it is. Return | |
73 | the enum constant representing the character type. Also set | |
74 | *ENCODING to the name of the character set to use when converting | |
aff410f1 MS |
75 | characters of this type in target BYTE_ORDER to the host character |
76 | set. */ | |
6c7a06a3 TT |
77 | |
78 | static enum c_string_type | |
f870a310 | 79 | classify_type (struct type *elttype, struct gdbarch *gdbarch, |
e17a4113 | 80 | const char **encoding) |
6c7a06a3 | 81 | { |
6c7a06a3 TT |
82 | enum c_string_type result; |
83 | ||
85e306ed TT |
84 | /* We loop because ELTTYPE may be a typedef, and we want to |
85 | successively peel each typedef until we reach a type we | |
86 | understand. We don't use CHECK_TYPEDEF because that will strip | |
87 | all typedefs at once -- but in C, wchar_t is itself a typedef, so | |
88 | that would do the wrong thing. */ | |
89 | while (elttype) | |
6c7a06a3 | 90 | { |
0d5cff50 | 91 | const char *name = TYPE_NAME (elttype); |
6c7a06a3 TT |
92 | |
93 | if (TYPE_CODE (elttype) == TYPE_CODE_CHAR || !name) | |
94 | { | |
95 | result = C_CHAR; | |
96 | goto done; | |
97 | } | |
98 | ||
99 | if (!strcmp (name, "wchar_t")) | |
100 | { | |
101 | result = C_WIDE_CHAR; | |
102 | goto done; | |
103 | } | |
104 | ||
105 | if (!strcmp (name, "char16_t")) | |
106 | { | |
107 | result = C_CHAR_16; | |
108 | goto done; | |
109 | } | |
110 | ||
111 | if (!strcmp (name, "char32_t")) | |
112 | { | |
113 | result = C_CHAR_32; | |
114 | goto done; | |
115 | } | |
116 | ||
85e306ed TT |
117 | if (TYPE_CODE (elttype) != TYPE_CODE_TYPEDEF) |
118 | break; | |
119 | ||
120 | /* Call for side effects. */ | |
121 | check_typedef (elttype); | |
122 | ||
123 | if (TYPE_TARGET_TYPE (elttype)) | |
124 | elttype = TYPE_TARGET_TYPE (elttype); | |
125 | else | |
126 | { | |
127 | /* Perhaps check_typedef did not update the target type. In | |
128 | this case, force the lookup again and hope it works out. | |
129 | It never will for C, but it might for C++. */ | |
130 | CHECK_TYPEDEF (elttype); | |
131 | } | |
6c7a06a3 | 132 | } |
6c7a06a3 TT |
133 | |
134 | /* Punt. */ | |
135 | result = C_CHAR; | |
136 | ||
137 | done: | |
e17a4113 | 138 | if (encoding) |
f870a310 | 139 | *encoding = charset_for_string_type (result, gdbarch); |
e17a4113 | 140 | |
6c7a06a3 TT |
141 | return result; |
142 | } | |
143 | ||
aff410f1 MS |
144 | /* Print the character C on STREAM as part of the contents of a |
145 | literal string whose delimiter is QUOTER. Note that that format | |
146 | for printing characters and strings is language specific. */ | |
c906108c | 147 | |
6aecb9c2 JB |
148 | void |
149 | c_emit_char (int c, struct type *type, | |
150 | struct ui_file *stream, int quoter) | |
c906108c | 151 | { |
6c7a06a3 | 152 | const char *encoding; |
234b45d4 | 153 | |
f870a310 | 154 | classify_type (type, get_type_arch (type), &encoding); |
3b2b8fea | 155 | generic_emit_char (c, type, stream, quoter, encoding); |
c906108c SS |
156 | } |
157 | ||
158 | void | |
6c7a06a3 | 159 | c_printchar (int c, struct type *type, struct ui_file *stream) |
c906108c | 160 | { |
6c7a06a3 | 161 | enum c_string_type str_type; |
6c7a06a3 | 162 | |
f870a310 | 163 | str_type = classify_type (type, get_type_arch (type), NULL); |
6c7a06a3 TT |
164 | switch (str_type) |
165 | { | |
166 | case C_CHAR: | |
167 | break; | |
168 | case C_WIDE_CHAR: | |
169 | fputc_filtered ('L', stream); | |
170 | break; | |
171 | case C_CHAR_16: | |
172 | fputc_filtered ('u', stream); | |
173 | break; | |
174 | case C_CHAR_32: | |
175 | fputc_filtered ('U', stream); | |
176 | break; | |
177 | } | |
178 | ||
c906108c | 179 | fputc_filtered ('\'', stream); |
6c7a06a3 | 180 | LA_EMIT_CHAR (c, type, stream, '\''); |
c906108c SS |
181 | fputc_filtered ('\'', stream); |
182 | } | |
183 | ||
aff410f1 MS |
184 | /* Print the character string STRING, printing at most LENGTH |
185 | characters. LENGTH is -1 if the string is nul terminated. Each | |
186 | character is WIDTH bytes long. Printing stops early if the number | |
187 | hits print_max; repeat counts are printed as appropriate. Print | |
188 | ellipses at the end if we had to stop before printing LENGTH | |
189 | characters, or if FORCE_ELLIPSES. */ | |
c906108c SS |
190 | |
191 | void | |
aff410f1 MS |
192 | c_printstr (struct ui_file *stream, struct type *type, |
193 | const gdb_byte *string, unsigned int length, | |
194 | const char *user_encoding, int force_ellipses, | |
79a45b7d | 195 | const struct value_print_options *options) |
c906108c | 196 | { |
3b2b8fea TT |
197 | enum c_string_type str_type; |
198 | const char *type_encoding; | |
199 | const char *encoding; | |
200 | ||
f870a310 TT |
201 | str_type = (classify_type (type, get_type_arch (type), &type_encoding) |
202 | & ~C_CHAR); | |
6c7a06a3 TT |
203 | switch (str_type) |
204 | { | |
205 | case C_STRING: | |
206 | break; | |
207 | case C_WIDE_STRING: | |
208 | fputs_filtered ("L", stream); | |
209 | break; | |
210 | case C_STRING_16: | |
211 | fputs_filtered ("u", stream); | |
212 | break; | |
213 | case C_STRING_32: | |
214 | fputs_filtered ("U", stream); | |
215 | break; | |
216 | } | |
217 | ||
3b2b8fea | 218 | encoding = (user_encoding && *user_encoding) ? user_encoding : type_encoding; |
6c7a06a3 | 219 | |
3b2b8fea TT |
220 | generic_printstr (stream, type, string, length, encoding, force_ellipses, |
221 | '"', 1, options); | |
c906108c | 222 | } |
ae6a3a4c TJB |
223 | |
224 | /* Obtain a C string from the inferior storing it in a newly allocated | |
aff410f1 MS |
225 | buffer in BUFFER, which should be freed by the caller. If the in- |
226 | and out-parameter *LENGTH is specified at -1, the string is read | |
fbb8f299 | 227 | until a null character of the appropriate width is found, otherwise |
aff410f1 MS |
228 | the string is read to the length of characters specified. The size |
229 | of a character is determined by the length of the target type of | |
230 | the pointer or array. If VALUE is an array with a known length, | |
231 | the function will not read past the end of the array. On | |
232 | completion, *LENGTH will be set to the size of the string read in | |
fbb8f299 PM |
233 | characters. (If a length of -1 is specified, the length returned |
234 | will not include the null character). CHARSET is always set to the | |
235 | target charset. */ | |
ae6a3a4c TJB |
236 | |
237 | void | |
aff410f1 MS |
238 | c_get_string (struct value *value, gdb_byte **buffer, |
239 | int *length, struct type **char_type, | |
240 | const char **charset) | |
ae6a3a4c TJB |
241 | { |
242 | int err, width; | |
243 | unsigned int fetchlimit; | |
244 | struct type *type = check_typedef (value_type (value)); | |
245 | struct type *element_type = TYPE_TARGET_TYPE (type); | |
fbb8f299 | 246 | int req_length = *length; |
aff410f1 MS |
247 | enum bfd_endian byte_order |
248 | = gdbarch_byte_order (get_type_arch (type)); | |
ae6a3a4c TJB |
249 | |
250 | if (element_type == NULL) | |
251 | goto error; | |
252 | ||
253 | if (TYPE_CODE (type) == TYPE_CODE_ARRAY) | |
254 | { | |
aff410f1 MS |
255 | /* If we know the size of the array, we can use it as a limit on |
256 | the number of characters to be fetched. */ | |
ae6a3a4c TJB |
257 | if (TYPE_NFIELDS (type) == 1 |
258 | && TYPE_CODE (TYPE_FIELD_TYPE (type, 0)) == TYPE_CODE_RANGE) | |
259 | { | |
260 | LONGEST low_bound, high_bound; | |
261 | ||
262 | get_discrete_bounds (TYPE_FIELD_TYPE (type, 0), | |
263 | &low_bound, &high_bound); | |
264 | fetchlimit = high_bound - low_bound + 1; | |
265 | } | |
266 | else | |
267 | fetchlimit = UINT_MAX; | |
268 | } | |
269 | else if (TYPE_CODE (type) == TYPE_CODE_PTR) | |
270 | fetchlimit = UINT_MAX; | |
271 | else | |
272 | /* We work only with arrays and pointers. */ | |
273 | goto error; | |
274 | ||
96c07c5b | 275 | if (! c_textual_element_type (element_type, 0)) |
ae6a3a4c | 276 | goto error; |
df54f8eb | 277 | classify_type (element_type, get_type_arch (element_type), charset); |
ae6a3a4c TJB |
278 | width = TYPE_LENGTH (element_type); |
279 | ||
aff410f1 MS |
280 | /* If the string lives in GDB's memory instead of the inferior's, |
281 | then we just need to copy it to BUFFER. Also, since such strings | |
282 | are arrays with known size, FETCHLIMIT will hold the size of the | |
283 | array. */ | |
ae6a3a4c TJB |
284 | if ((VALUE_LVAL (value) == not_lval |
285 | || VALUE_LVAL (value) == lval_internalvar) | |
286 | && fetchlimit != UINT_MAX) | |
287 | { | |
288 | int i; | |
289 | const gdb_byte *contents = value_contents (value); | |
290 | ||
fbb8f299 PM |
291 | /* If a length is specified, use that. */ |
292 | if (*length >= 0) | |
293 | i = *length; | |
294 | else | |
295 | /* Otherwise, look for a null character. */ | |
296 | for (i = 0; i < fetchlimit; i++) | |
aff410f1 MS |
297 | if (extract_unsigned_integer (contents + i * width, |
298 | width, byte_order) == 0) | |
fbb8f299 PM |
299 | break; |
300 | ||
301 | /* I is now either a user-defined length, the number of non-null | |
302 | characters, or FETCHLIMIT. */ | |
ae6a3a4c TJB |
303 | *length = i * width; |
304 | *buffer = xmalloc (*length); | |
305 | memcpy (*buffer, contents, *length); | |
306 | err = 0; | |
307 | } | |
308 | else | |
309 | { | |
621c8364 TT |
310 | CORE_ADDR addr = value_as_address (value); |
311 | ||
312 | err = read_string (addr, *length, width, fetchlimit, | |
313 | byte_order, buffer, length); | |
ae6a3a4c TJB |
314 | if (err) |
315 | { | |
8ea5dfdf | 316 | xfree (*buffer); |
578d3588 | 317 | memory_error (err, addr); |
ae6a3a4c TJB |
318 | } |
319 | } | |
320 | ||
fbb8f299 PM |
321 | /* If the LENGTH is specified at -1, we want to return the string |
322 | length up to the terminating null character. If an actual length | |
323 | was specified, we want to return the length of exactly what was | |
324 | read. */ | |
325 | if (req_length == -1) | |
326 | /* If the last character is null, subtract it from LENGTH. */ | |
327 | if (*length > 0 | |
aff410f1 MS |
328 | && extract_unsigned_integer (*buffer + *length - width, |
329 | width, byte_order) == 0) | |
fbb8f299 PM |
330 | *length -= width; |
331 | ||
332 | /* The read_string function will return the number of bytes read. | |
333 | If length returned from read_string was > 0, return the number of | |
334 | characters read by dividing the number of bytes by width. */ | |
335 | if (*length != 0) | |
336 | *length = *length / width; | |
ae6a3a4c | 337 | |
96c07c5b | 338 | *char_type = element_type; |
ae6a3a4c TJB |
339 | |
340 | return; | |
341 | ||
342 | error: | |
343 | { | |
344 | char *type_str; | |
345 | ||
346 | type_str = type_to_string (type); | |
347 | if (type_str) | |
348 | { | |
349 | make_cleanup (xfree, type_str); | |
350 | error (_("Trying to read string with inappropriate type `%s'."), | |
351 | type_str); | |
352 | } | |
353 | else | |
354 | error (_("Trying to read string with inappropriate type.")); | |
355 | } | |
356 | } | |
357 | ||
c906108c | 358 | \f |
6c7a06a3 TT |
359 | /* Evaluating C and C++ expressions. */ |
360 | ||
361 | /* Convert a UCN. The digits of the UCN start at P and extend no | |
362 | farther than LIMIT. DEST_CHARSET is the name of the character set | |
363 | into which the UCN should be converted. The results are written to | |
364 | OUTPUT. LENGTH is the maximum length of the UCN, either 4 or 8. | |
365 | Returns a pointer to just after the final digit of the UCN. */ | |
366 | ||
367 | static char * | |
368 | convert_ucn (char *p, char *limit, const char *dest_charset, | |
369 | struct obstack *output, int length) | |
370 | { | |
371 | unsigned long result = 0; | |
372 | gdb_byte data[4]; | |
373 | int i; | |
374 | ||
375 | for (i = 0; i < length && p < limit && isxdigit (*p); ++i, ++p) | |
376 | result = (result << 4) + host_hex_value (*p); | |
377 | ||
378 | for (i = 3; i >= 0; --i) | |
379 | { | |
380 | data[i] = result & 0xff; | |
381 | result >>= 8; | |
382 | } | |
383 | ||
aff410f1 MS |
384 | convert_between_encodings ("UTF-32BE", dest_charset, data, |
385 | 4, 4, output, translit_none); | |
6c7a06a3 TT |
386 | |
387 | return p; | |
388 | } | |
389 | ||
390 | /* Emit a character, VALUE, which was specified numerically, to | |
391 | OUTPUT. TYPE is the target character type. */ | |
392 | ||
393 | static void | |
394 | emit_numeric_character (struct type *type, unsigned long value, | |
395 | struct obstack *output) | |
396 | { | |
397 | gdb_byte *buffer; | |
398 | ||
399 | buffer = alloca (TYPE_LENGTH (type)); | |
400 | pack_long (buffer, type, value); | |
401 | obstack_grow (output, buffer, TYPE_LENGTH (type)); | |
402 | } | |
403 | ||
404 | /* Convert an octal escape sequence. TYPE is the target character | |
405 | type. The digits of the escape sequence begin at P and extend no | |
406 | farther than LIMIT. The result is written to OUTPUT. Returns a | |
407 | pointer to just after the final digit of the escape sequence. */ | |
408 | ||
409 | static char * | |
aff410f1 MS |
410 | convert_octal (struct type *type, char *p, |
411 | char *limit, struct obstack *output) | |
6c7a06a3 | 412 | { |
30b66ecc | 413 | int i; |
6c7a06a3 TT |
414 | unsigned long value = 0; |
415 | ||
30b66ecc TT |
416 | for (i = 0; |
417 | i < 3 && p < limit && isdigit (*p) && *p != '8' && *p != '9'; | |
418 | ++i) | |
6c7a06a3 TT |
419 | { |
420 | value = 8 * value + host_hex_value (*p); | |
421 | ++p; | |
422 | } | |
423 | ||
424 | emit_numeric_character (type, value, output); | |
425 | ||
426 | return p; | |
427 | } | |
428 | ||
429 | /* Convert a hex escape sequence. TYPE is the target character type. | |
430 | The digits of the escape sequence begin at P and extend no farther | |
431 | than LIMIT. The result is written to OUTPUT. Returns a pointer to | |
432 | just after the final digit of the escape sequence. */ | |
433 | ||
434 | static char * | |
aff410f1 MS |
435 | convert_hex (struct type *type, char *p, |
436 | char *limit, struct obstack *output) | |
6c7a06a3 TT |
437 | { |
438 | unsigned long value = 0; | |
439 | ||
440 | while (p < limit && isxdigit (*p)) | |
441 | { | |
442 | value = 16 * value + host_hex_value (*p); | |
443 | ++p; | |
444 | } | |
445 | ||
446 | emit_numeric_character (type, value, output); | |
447 | ||
448 | return p; | |
449 | } | |
450 | ||
451 | #define ADVANCE \ | |
452 | do { \ | |
453 | ++p; \ | |
454 | if (p == limit) \ | |
455 | error (_("Malformed escape sequence")); \ | |
456 | } while (0) | |
457 | ||
458 | /* Convert an escape sequence to a target format. TYPE is the target | |
459 | character type to use, and DEST_CHARSET is the name of the target | |
460 | character set. The backslash of the escape sequence is at *P, and | |
461 | the escape sequence will not extend past LIMIT. The results are | |
462 | written to OUTPUT. Returns a pointer to just past the final | |
463 | character of the escape sequence. */ | |
464 | ||
465 | static char * | |
466 | convert_escape (struct type *type, const char *dest_charset, | |
467 | char *p, char *limit, struct obstack *output) | |
468 | { | |
469 | /* Skip the backslash. */ | |
470 | ADVANCE; | |
471 | ||
472 | switch (*p) | |
473 | { | |
474 | case '\\': | |
475 | obstack_1grow (output, '\\'); | |
476 | ++p; | |
477 | break; | |
478 | ||
479 | case 'x': | |
480 | ADVANCE; | |
481 | if (!isxdigit (*p)) | |
482 | error (_("\\x used with no following hex digits.")); | |
483 | p = convert_hex (type, p, limit, output); | |
484 | break; | |
485 | ||
486 | case '0': | |
487 | case '1': | |
488 | case '2': | |
489 | case '3': | |
490 | case '4': | |
491 | case '5': | |
492 | case '6': | |
493 | case '7': | |
494 | p = convert_octal (type, p, limit, output); | |
495 | break; | |
496 | ||
497 | case 'u': | |
498 | case 'U': | |
499 | { | |
500 | int length = *p == 'u' ? 4 : 8; | |
c5504eaf | 501 | |
6c7a06a3 TT |
502 | ADVANCE; |
503 | if (!isxdigit (*p)) | |
504 | error (_("\\u used with no following hex digits")); | |
505 | p = convert_ucn (p, limit, dest_charset, output, length); | |
506 | } | |
507 | } | |
508 | ||
509 | return p; | |
510 | } | |
511 | ||
512 | /* Given a single string from a (C-specific) OP_STRING list, convert | |
513 | it to a target string, handling escape sequences specially. The | |
514 | output is written to OUTPUT. DATA is the input string, which has | |
515 | length LEN. DEST_CHARSET is the name of the target character set, | |
516 | and TYPE is the type of target character to use. */ | |
517 | ||
518 | static void | |
519 | parse_one_string (struct obstack *output, char *data, int len, | |
520 | const char *dest_charset, struct type *type) | |
521 | { | |
522 | char *limit; | |
523 | ||
524 | limit = data + len; | |
525 | ||
526 | while (data < limit) | |
527 | { | |
528 | char *p = data; | |
c5504eaf | 529 | |
6c7a06a3 TT |
530 | /* Look for next escape, or the end of the input. */ |
531 | while (p < limit && *p != '\\') | |
532 | ++p; | |
533 | /* If we saw a run of characters, convert them all. */ | |
534 | if (p > data) | |
535 | convert_between_encodings (host_charset (), dest_charset, | |
ac91cd70 | 536 | (gdb_byte *) data, p - data, 1, |
aff410f1 | 537 | output, translit_none); |
6c7a06a3 TT |
538 | /* If we saw an escape, convert it. */ |
539 | if (p < limit) | |
540 | p = convert_escape (type, dest_charset, p, limit, output); | |
541 | data = p; | |
542 | } | |
543 | } | |
544 | ||
545 | /* Expression evaluator for the C language family. Most operations | |
546 | are delegated to evaluate_subexp_standard; see that function for a | |
547 | description of the arguments. */ | |
548 | ||
f4b8a18d | 549 | struct value * |
6c7a06a3 TT |
550 | evaluate_subexp_c (struct type *expect_type, struct expression *exp, |
551 | int *pos, enum noside noside) | |
552 | { | |
553 | enum exp_opcode op = exp->elts[*pos].opcode; | |
554 | ||
555 | switch (op) | |
556 | { | |
557 | case OP_STRING: | |
558 | { | |
559 | int oplen, limit; | |
560 | struct type *type; | |
561 | struct obstack output; | |
562 | struct cleanup *cleanup; | |
563 | struct value *result; | |
564 | enum c_string_type dest_type; | |
565 | const char *dest_charset; | |
c50491a7 | 566 | int satisfy_expected = 0; |
6c7a06a3 TT |
567 | |
568 | obstack_init (&output); | |
569 | cleanup = make_cleanup_obstack_free (&output); | |
570 | ||
571 | ++*pos; | |
572 | oplen = longest_to_int (exp->elts[*pos].longconst); | |
573 | ||
574 | ++*pos; | |
575 | limit = *pos + BYTES_TO_EXP_ELEM (oplen + 1); | |
576 | dest_type | |
577 | = (enum c_string_type) longest_to_int (exp->elts[*pos].longconst); | |
578 | switch (dest_type & ~C_CHAR) | |
579 | { | |
580 | case C_STRING: | |
d80b854b UW |
581 | type = language_string_char_type (exp->language_defn, |
582 | exp->gdbarch); | |
6c7a06a3 TT |
583 | break; |
584 | case C_WIDE_STRING: | |
e6c014f2 UW |
585 | type = lookup_typename (exp->language_defn, exp->gdbarch, |
586 | "wchar_t", NULL, 0); | |
6c7a06a3 TT |
587 | break; |
588 | case C_STRING_16: | |
e6c014f2 UW |
589 | type = lookup_typename (exp->language_defn, exp->gdbarch, |
590 | "char16_t", NULL, 0); | |
6c7a06a3 TT |
591 | break; |
592 | case C_STRING_32: | |
e6c014f2 UW |
593 | type = lookup_typename (exp->language_defn, exp->gdbarch, |
594 | "char32_t", NULL, 0); | |
6c7a06a3 TT |
595 | break; |
596 | default: | |
9b20d036 | 597 | internal_error (__FILE__, __LINE__, _("unhandled c_string_type")); |
6c7a06a3 | 598 | } |
546e879e TT |
599 | |
600 | /* Ensure TYPE_LENGTH is valid for TYPE. */ | |
601 | check_typedef (type); | |
602 | ||
c50491a7 TT |
603 | /* If the caller expects an array of some integral type, |
604 | satisfy them. If something odder is expected, rely on the | |
605 | caller to cast. */ | |
606 | if (expect_type && TYPE_CODE (expect_type) == TYPE_CODE_ARRAY) | |
607 | { | |
608 | struct type *element_type | |
609 | = check_typedef (TYPE_TARGET_TYPE (expect_type)); | |
610 | ||
611 | if (TYPE_CODE (element_type) == TYPE_CODE_INT | |
612 | || TYPE_CODE (element_type) == TYPE_CODE_CHAR) | |
613 | { | |
614 | type = element_type; | |
615 | satisfy_expected = 1; | |
616 | } | |
617 | } | |
618 | ||
f870a310 | 619 | dest_charset = charset_for_string_type (dest_type, exp->gdbarch); |
6c7a06a3 TT |
620 | |
621 | ++*pos; | |
622 | while (*pos < limit) | |
623 | { | |
624 | int len; | |
625 | ||
626 | len = longest_to_int (exp->elts[*pos].longconst); | |
627 | ||
628 | ++*pos; | |
629 | if (noside != EVAL_SKIP) | |
630 | parse_one_string (&output, &exp->elts[*pos].string, len, | |
631 | dest_charset, type); | |
632 | *pos += BYTES_TO_EXP_ELEM (len); | |
633 | } | |
634 | ||
635 | /* Skip the trailing length and opcode. */ | |
636 | *pos += 2; | |
637 | ||
638 | if (noside == EVAL_SKIP) | |
334cc82d TT |
639 | { |
640 | /* Return a dummy value of the appropriate type. */ | |
c50491a7 TT |
641 | if (expect_type != NULL) |
642 | result = allocate_value (expect_type); | |
643 | else if ((dest_type & C_CHAR) != 0) | |
334cc82d TT |
644 | result = allocate_value (type); |
645 | else | |
3b7538c0 | 646 | result = value_cstring ("", 0, type); |
334cc82d TT |
647 | do_cleanups (cleanup); |
648 | return result; | |
649 | } | |
6c7a06a3 TT |
650 | |
651 | if ((dest_type & C_CHAR) != 0) | |
652 | { | |
653 | LONGEST value; | |
654 | ||
655 | if (obstack_object_size (&output) != TYPE_LENGTH (type)) | |
3e43a32a MS |
656 | error (_("Could not convert character " |
657 | "constant to target character set")); | |
51a5cd90 | 658 | value = unpack_long (type, (gdb_byte *) obstack_base (&output)); |
6c7a06a3 TT |
659 | result = value_from_longest (type, value); |
660 | } | |
661 | else | |
662 | { | |
663 | int i; | |
c5504eaf | 664 | |
6c7a06a3 TT |
665 | /* Write the terminating character. */ |
666 | for (i = 0; i < TYPE_LENGTH (type); ++i) | |
667 | obstack_1grow (&output, 0); | |
c50491a7 TT |
668 | |
669 | if (satisfy_expected) | |
670 | { | |
671 | LONGEST low_bound, high_bound; | |
672 | int element_size = TYPE_LENGTH (type); | |
673 | ||
674 | if (get_discrete_bounds (TYPE_INDEX_TYPE (expect_type), | |
675 | &low_bound, &high_bound) < 0) | |
676 | { | |
677 | low_bound = 0; | |
678 | high_bound = (TYPE_LENGTH (expect_type) / element_size) - 1; | |
679 | } | |
680 | if (obstack_object_size (&output) / element_size | |
681 | > (high_bound - low_bound + 1)) | |
682 | error (_("Too many array elements")); | |
683 | ||
684 | result = allocate_value (expect_type); | |
685 | memcpy (value_contents_raw (result), obstack_base (&output), | |
686 | obstack_object_size (&output)); | |
687 | } | |
688 | else | |
689 | result = value_cstring (obstack_base (&output), | |
690 | obstack_object_size (&output), | |
691 | type); | |
6c7a06a3 TT |
692 | } |
693 | do_cleanups (cleanup); | |
694 | return result; | |
695 | } | |
696 | break; | |
697 | ||
698 | default: | |
699 | break; | |
700 | } | |
701 | return evaluate_subexp_standard (expect_type, exp, pos, noside); | |
702 | } | |
c5aa993b | 703 | |
84f0252a | 704 | |
84f0252a | 705 | \f |
c906108c SS |
706 | /* Table mapping opcodes into strings for printing operators |
707 | and precedences of the operators. */ | |
708 | ||
709 | const struct op_print c_op_print_tab[] = | |
c5aa993b JM |
710 | { |
711 | {",", BINOP_COMMA, PREC_COMMA, 0}, | |
712 | {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, | |
713 | {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, | |
714 | {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, | |
715 | {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0}, | |
716 | {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0}, | |
717 | {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0}, | |
718 | {"==", BINOP_EQUAL, PREC_EQUAL, 0}, | |
719 | {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, | |
720 | {"<=", BINOP_LEQ, PREC_ORDER, 0}, | |
721 | {">=", BINOP_GEQ, PREC_ORDER, 0}, | |
722 | {">", BINOP_GTR, PREC_ORDER, 0}, | |
723 | {"<", BINOP_LESS, PREC_ORDER, 0}, | |
724 | {">>", BINOP_RSH, PREC_SHIFT, 0}, | |
725 | {"<<", BINOP_LSH, PREC_SHIFT, 0}, | |
726 | {"+", BINOP_ADD, PREC_ADD, 0}, | |
727 | {"-", BINOP_SUB, PREC_ADD, 0}, | |
728 | {"*", BINOP_MUL, PREC_MUL, 0}, | |
729 | {"/", BINOP_DIV, PREC_MUL, 0}, | |
730 | {"%", BINOP_REM, PREC_MUL, 0}, | |
731 | {"@", BINOP_REPEAT, PREC_REPEAT, 0}, | |
a016fc87 | 732 | {"+", UNOP_PLUS, PREC_PREFIX, 0}, |
c5aa993b JM |
733 | {"-", UNOP_NEG, PREC_PREFIX, 0}, |
734 | {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, | |
735 | {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0}, | |
736 | {"*", UNOP_IND, PREC_PREFIX, 0}, | |
737 | {"&", UNOP_ADDR, PREC_PREFIX, 0}, | |
738 | {"sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0}, | |
739 | {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, | |
740 | {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, | |
c5aa993b | 741 | {NULL, 0, 0, 0} |
c906108c SS |
742 | }; |
743 | \f | |
685419e2 AC |
744 | enum c_primitive_types { |
745 | c_primitive_type_int, | |
746 | c_primitive_type_long, | |
747 | c_primitive_type_short, | |
748 | c_primitive_type_char, | |
749 | c_primitive_type_float, | |
750 | c_primitive_type_double, | |
751 | c_primitive_type_void, | |
752 | c_primitive_type_long_long, | |
753 | c_primitive_type_signed_char, | |
754 | c_primitive_type_unsigned_char, | |
755 | c_primitive_type_unsigned_short, | |
756 | c_primitive_type_unsigned_int, | |
757 | c_primitive_type_unsigned_long, | |
758 | c_primitive_type_unsigned_long_long, | |
759 | c_primitive_type_long_double, | |
760 | c_primitive_type_complex, | |
761 | c_primitive_type_double_complex, | |
213e4dc2 TJB |
762 | c_primitive_type_decfloat, |
763 | c_primitive_type_decdouble, | |
764 | c_primitive_type_declong, | |
685419e2 AC |
765 | nr_c_primitive_types |
766 | }; | |
767 | ||
e9667a65 | 768 | void |
685419e2 AC |
769 | c_language_arch_info (struct gdbarch *gdbarch, |
770 | struct language_arch_info *lai) | |
771 | { | |
772 | const struct builtin_type *builtin = builtin_type (gdbarch); | |
c5504eaf | 773 | |
e9667a65 | 774 | lai->string_char_type = builtin->builtin_char; |
685419e2 AC |
775 | lai->primitive_type_vector |
776 | = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_c_primitive_types + 1, | |
777 | struct type *); | |
778 | lai->primitive_type_vector [c_primitive_type_int] = builtin->builtin_int; | |
779 | lai->primitive_type_vector [c_primitive_type_long] = builtin->builtin_long; | |
780 | lai->primitive_type_vector [c_primitive_type_short] = builtin->builtin_short; | |
781 | lai->primitive_type_vector [c_primitive_type_char] = builtin->builtin_char; | |
782 | lai->primitive_type_vector [c_primitive_type_float] = builtin->builtin_float; | |
783 | lai->primitive_type_vector [c_primitive_type_double] = builtin->builtin_double; | |
784 | lai->primitive_type_vector [c_primitive_type_void] = builtin->builtin_void; | |
785 | lai->primitive_type_vector [c_primitive_type_long_long] = builtin->builtin_long_long; | |
786 | lai->primitive_type_vector [c_primitive_type_signed_char] = builtin->builtin_signed_char; | |
787 | lai->primitive_type_vector [c_primitive_type_unsigned_char] = builtin->builtin_unsigned_char; | |
788 | lai->primitive_type_vector [c_primitive_type_unsigned_short] = builtin->builtin_unsigned_short; | |
789 | lai->primitive_type_vector [c_primitive_type_unsigned_int] = builtin->builtin_unsigned_int; | |
790 | lai->primitive_type_vector [c_primitive_type_unsigned_long] = builtin->builtin_unsigned_long; | |
791 | lai->primitive_type_vector [c_primitive_type_unsigned_long_long] = builtin->builtin_unsigned_long_long; | |
792 | lai->primitive_type_vector [c_primitive_type_long_double] = builtin->builtin_long_double; | |
793 | lai->primitive_type_vector [c_primitive_type_complex] = builtin->builtin_complex; | |
794 | lai->primitive_type_vector [c_primitive_type_double_complex] = builtin->builtin_double_complex; | |
213e4dc2 TJB |
795 | lai->primitive_type_vector [c_primitive_type_decfloat] = builtin->builtin_decfloat; |
796 | lai->primitive_type_vector [c_primitive_type_decdouble] = builtin->builtin_decdouble; | |
797 | lai->primitive_type_vector [c_primitive_type_declong] = builtin->builtin_declong; | |
fbb06eb1 UW |
798 | |
799 | lai->bool_type_default = builtin->builtin_int; | |
cad351d1 | 800 | } |
685419e2 | 801 | |
6aecb9c2 | 802 | const struct exp_descriptor exp_descriptor_c = |
6c7a06a3 TT |
803 | { |
804 | print_subexp_standard, | |
805 | operator_length_standard, | |
c0201579 | 806 | operator_check_standard, |
6c7a06a3 TT |
807 | op_name_standard, |
808 | dump_subexp_body_standard, | |
809 | evaluate_subexp_c | |
810 | }; | |
811 | ||
c5aa993b JM |
812 | const struct language_defn c_language_defn = |
813 | { | |
c906108c | 814 | "c", /* Language name */ |
6abde28f | 815 | "C", |
c906108c | 816 | language_c, |
c906108c | 817 | range_check_off, |
63872f9d | 818 | case_sensitive_on, |
7ca2d3a3 | 819 | array_row_major, |
9a044a89 | 820 | macro_expansion_c, |
6c7a06a3 | 821 | &exp_descriptor_c, |
7c8adf68 | 822 | c_parse, |
c906108c | 823 | c_error, |
e85c3284 | 824 | null_post_parser, |
c906108c SS |
825 | c_printchar, /* Print a character constant */ |
826 | c_printstr, /* Function to print string constant */ | |
827 | c_emit_char, /* Print a single char */ | |
c906108c | 828 | c_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 829 | c_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c SS |
830 | c_val_print, /* Print a value using appropriate syntax */ |
831 | c_value_print, /* Print a top-level value */ | |
a5ee536b | 832 | default_read_var_value, /* la_read_var_value */ |
f636b87d | 833 | NULL, /* Language specific skip_trampoline */ |
2b2d9e11 | 834 | NULL, /* name_of_this */ |
5f9a71c3 | 835 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 836 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 837 | NULL, /* Language specific symbol demangler */ |
aff410f1 MS |
838 | NULL, /* Language specific |
839 | class_name_from_physname */ | |
c906108c SS |
840 | c_op_print_tab, /* expression operators for printing */ |
841 | 1, /* c-style arrays */ | |
842 | 0, /* String lower bound */ | |
6084f43a | 843 | default_word_break_characters, |
41d27058 | 844 | default_make_symbol_completion_list, |
685419e2 | 845 | c_language_arch_info, |
e79af960 | 846 | default_print_array_index, |
41f1b697 | 847 | default_pass_by_reference, |
ae6a3a4c | 848 | c_get_string, |
1a119f36 | 849 | NULL, /* la_get_symbol_name_cmp */ |
f8eba3c6 | 850 | iterate_over_symbols, |
a53b64ea | 851 | &c_varobj_ops, |
c906108c SS |
852 | LANG_MAGIC |
853 | }; | |
854 | ||
cad351d1 UW |
855 | enum cplus_primitive_types { |
856 | cplus_primitive_type_int, | |
857 | cplus_primitive_type_long, | |
858 | cplus_primitive_type_short, | |
859 | cplus_primitive_type_char, | |
860 | cplus_primitive_type_float, | |
861 | cplus_primitive_type_double, | |
862 | cplus_primitive_type_void, | |
863 | cplus_primitive_type_long_long, | |
864 | cplus_primitive_type_signed_char, | |
865 | cplus_primitive_type_unsigned_char, | |
866 | cplus_primitive_type_unsigned_short, | |
867 | cplus_primitive_type_unsigned_int, | |
868 | cplus_primitive_type_unsigned_long, | |
869 | cplus_primitive_type_unsigned_long_long, | |
870 | cplus_primitive_type_long_double, | |
871 | cplus_primitive_type_complex, | |
872 | cplus_primitive_type_double_complex, | |
873 | cplus_primitive_type_bool, | |
213e4dc2 TJB |
874 | cplus_primitive_type_decfloat, |
875 | cplus_primitive_type_decdouble, | |
876 | cplus_primitive_type_declong, | |
cad351d1 | 877 | nr_cplus_primitive_types |
c906108c SS |
878 | }; |
879 | ||
cad351d1 UW |
880 | static void |
881 | cplus_language_arch_info (struct gdbarch *gdbarch, | |
882 | struct language_arch_info *lai) | |
883 | { | |
884 | const struct builtin_type *builtin = builtin_type (gdbarch); | |
c5504eaf | 885 | |
cad351d1 UW |
886 | lai->string_char_type = builtin->builtin_char; |
887 | lai->primitive_type_vector | |
888 | = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_cplus_primitive_types + 1, | |
889 | struct type *); | |
890 | lai->primitive_type_vector [cplus_primitive_type_int] | |
891 | = builtin->builtin_int; | |
892 | lai->primitive_type_vector [cplus_primitive_type_long] | |
893 | = builtin->builtin_long; | |
894 | lai->primitive_type_vector [cplus_primitive_type_short] | |
895 | = builtin->builtin_short; | |
896 | lai->primitive_type_vector [cplus_primitive_type_char] | |
897 | = builtin->builtin_char; | |
898 | lai->primitive_type_vector [cplus_primitive_type_float] | |
899 | = builtin->builtin_float; | |
900 | lai->primitive_type_vector [cplus_primitive_type_double] | |
901 | = builtin->builtin_double; | |
902 | lai->primitive_type_vector [cplus_primitive_type_void] | |
903 | = builtin->builtin_void; | |
904 | lai->primitive_type_vector [cplus_primitive_type_long_long] | |
905 | = builtin->builtin_long_long; | |
906 | lai->primitive_type_vector [cplus_primitive_type_signed_char] | |
907 | = builtin->builtin_signed_char; | |
908 | lai->primitive_type_vector [cplus_primitive_type_unsigned_char] | |
909 | = builtin->builtin_unsigned_char; | |
910 | lai->primitive_type_vector [cplus_primitive_type_unsigned_short] | |
911 | = builtin->builtin_unsigned_short; | |
912 | lai->primitive_type_vector [cplus_primitive_type_unsigned_int] | |
913 | = builtin->builtin_unsigned_int; | |
914 | lai->primitive_type_vector [cplus_primitive_type_unsigned_long] | |
915 | = builtin->builtin_unsigned_long; | |
916 | lai->primitive_type_vector [cplus_primitive_type_unsigned_long_long] | |
917 | = builtin->builtin_unsigned_long_long; | |
918 | lai->primitive_type_vector [cplus_primitive_type_long_double] | |
919 | = builtin->builtin_long_double; | |
920 | lai->primitive_type_vector [cplus_primitive_type_complex] | |
921 | = builtin->builtin_complex; | |
922 | lai->primitive_type_vector [cplus_primitive_type_double_complex] | |
923 | = builtin->builtin_double_complex; | |
924 | lai->primitive_type_vector [cplus_primitive_type_bool] | |
925 | = builtin->builtin_bool; | |
213e4dc2 TJB |
926 | lai->primitive_type_vector [cplus_primitive_type_decfloat] |
927 | = builtin->builtin_decfloat; | |
928 | lai->primitive_type_vector [cplus_primitive_type_decdouble] | |
929 | = builtin->builtin_decdouble; | |
930 | lai->primitive_type_vector [cplus_primitive_type_declong] | |
931 | = builtin->builtin_declong; | |
fbb06eb1 UW |
932 | |
933 | lai->bool_type_symbol = "bool"; | |
934 | lai->bool_type_default = builtin->builtin_bool; | |
cad351d1 UW |
935 | } |
936 | ||
c5aa993b JM |
937 | const struct language_defn cplus_language_defn = |
938 | { | |
939 | "c++", /* Language name */ | |
6abde28f | 940 | "C++", |
c906108c | 941 | language_cplus, |
c906108c | 942 | range_check_off, |
63872f9d | 943 | case_sensitive_on, |
7ca2d3a3 | 944 | array_row_major, |
9a044a89 | 945 | macro_expansion_c, |
6c7a06a3 | 946 | &exp_descriptor_c, |
7c8adf68 | 947 | c_parse, |
c906108c | 948 | c_error, |
e85c3284 | 949 | null_post_parser, |
c906108c SS |
950 | c_printchar, /* Print a character constant */ |
951 | c_printstr, /* Function to print string constant */ | |
952 | c_emit_char, /* Print a single char */ | |
c906108c | 953 | c_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 954 | c_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c SS |
955 | c_val_print, /* Print a value using appropriate syntax */ |
956 | c_value_print, /* Print a top-level value */ | |
a5ee536b | 957 | default_read_var_value, /* la_read_var_value */ |
b18be20d | 958 | cplus_skip_trampoline, /* Language specific skip_trampoline */ |
2b2d9e11 | 959 | "this", /* name_of_this */ |
1fcb5155 | 960 | cp_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 961 | cp_lookup_transparent_type, /* lookup_transparent_type */ |
8de20a37 | 962 | gdb_demangle, /* Language specific symbol demangler */ |
aff410f1 MS |
963 | cp_class_name_from_physname, /* Language specific |
964 | class_name_from_physname */ | |
c906108c SS |
965 | c_op_print_tab, /* expression operators for printing */ |
966 | 1, /* c-style arrays */ | |
967 | 0, /* String lower bound */ | |
6084f43a | 968 | default_word_break_characters, |
41d27058 | 969 | default_make_symbol_completion_list, |
cad351d1 | 970 | cplus_language_arch_info, |
e79af960 | 971 | default_print_array_index, |
41f1b697 | 972 | cp_pass_by_reference, |
ae6a3a4c | 973 | c_get_string, |
1a119f36 | 974 | NULL, /* la_get_symbol_name_cmp */ |
f8eba3c6 | 975 | iterate_over_symbols, |
a53b64ea | 976 | &cplus_varobj_ops, |
c906108c SS |
977 | LANG_MAGIC |
978 | }; | |
979 | ||
c5aa993b JM |
980 | const struct language_defn asm_language_defn = |
981 | { | |
c906108c | 982 | "asm", /* Language name */ |
6abde28f | 983 | "assembly", |
c906108c | 984 | language_asm, |
c906108c | 985 | range_check_off, |
63872f9d | 986 | case_sensitive_on, |
7ca2d3a3 | 987 | array_row_major, |
9a044a89 | 988 | macro_expansion_c, |
6c7a06a3 | 989 | &exp_descriptor_c, |
7c8adf68 | 990 | c_parse, |
c906108c | 991 | c_error, |
e85c3284 | 992 | null_post_parser, |
c906108c SS |
993 | c_printchar, /* Print a character constant */ |
994 | c_printstr, /* Function to print string constant */ | |
995 | c_emit_char, /* Print a single char */ | |
c906108c | 996 | c_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 997 | c_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c SS |
998 | c_val_print, /* Print a value using appropriate syntax */ |
999 | c_value_print, /* Print a top-level value */ | |
a5ee536b | 1000 | default_read_var_value, /* la_read_var_value */ |
f636b87d | 1001 | NULL, /* Language specific skip_trampoline */ |
2b2d9e11 | 1002 | NULL, /* name_of_this */ |
5f9a71c3 | 1003 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 1004 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 1005 | NULL, /* Language specific symbol demangler */ |
aff410f1 MS |
1006 | NULL, /* Language specific |
1007 | class_name_from_physname */ | |
c906108c SS |
1008 | c_op_print_tab, /* expression operators for printing */ |
1009 | 1, /* c-style arrays */ | |
1010 | 0, /* String lower bound */ | |
6084f43a | 1011 | default_word_break_characters, |
41d27058 | 1012 | default_make_symbol_completion_list, |
aff410f1 | 1013 | c_language_arch_info, /* FIXME: la_language_arch_info. */ |
e79af960 | 1014 | default_print_array_index, |
41f1b697 | 1015 | default_pass_by_reference, |
ae6a3a4c | 1016 | c_get_string, |
1a119f36 | 1017 | NULL, /* la_get_symbol_name_cmp */ |
f8eba3c6 | 1018 | iterate_over_symbols, |
a53b64ea | 1019 | &default_varobj_ops, |
c906108c SS |
1020 | LANG_MAGIC |
1021 | }; | |
1022 | ||
20a0e81d JB |
1023 | /* The following language_defn does not represent a real language. |
1024 | It just provides a minimal support a-la-C that should allow users | |
1025 | to do some simple operations when debugging applications that use | |
1026 | a language currently not supported by GDB. */ | |
1027 | ||
1028 | const struct language_defn minimal_language_defn = | |
1029 | { | |
1030 | "minimal", /* Language name */ | |
6abde28f | 1031 | "Minimal", |
20a0e81d | 1032 | language_minimal, |
20a0e81d | 1033 | range_check_off, |
20a0e81d | 1034 | case_sensitive_on, |
7ca2d3a3 | 1035 | array_row_major, |
9a044a89 | 1036 | macro_expansion_c, |
6c7a06a3 | 1037 | &exp_descriptor_c, |
7c8adf68 | 1038 | c_parse, |
20a0e81d | 1039 | c_error, |
e85c3284 | 1040 | null_post_parser, |
20a0e81d JB |
1041 | c_printchar, /* Print a character constant */ |
1042 | c_printstr, /* Function to print string constant */ | |
1043 | c_emit_char, /* Print a single char */ | |
20a0e81d | 1044 | c_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 1045 | c_print_typedef, /* Print a typedef using appropriate syntax */ |
20a0e81d JB |
1046 | c_val_print, /* Print a value using appropriate syntax */ |
1047 | c_value_print, /* Print a top-level value */ | |
a5ee536b | 1048 | default_read_var_value, /* la_read_var_value */ |
20a0e81d | 1049 | NULL, /* Language specific skip_trampoline */ |
2b2d9e11 | 1050 | NULL, /* name_of_this */ |
5f9a71c3 | 1051 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 1052 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
20a0e81d | 1053 | NULL, /* Language specific symbol demangler */ |
aff410f1 MS |
1054 | NULL, /* Language specific |
1055 | class_name_from_physname */ | |
20a0e81d JB |
1056 | c_op_print_tab, /* expression operators for printing */ |
1057 | 1, /* c-style arrays */ | |
1058 | 0, /* String lower bound */ | |
6084f43a | 1059 | default_word_break_characters, |
41d27058 | 1060 | default_make_symbol_completion_list, |
e9667a65 | 1061 | c_language_arch_info, |
e79af960 | 1062 | default_print_array_index, |
41f1b697 | 1063 | default_pass_by_reference, |
ae6a3a4c | 1064 | c_get_string, |
1a119f36 | 1065 | NULL, /* la_get_symbol_name_cmp */ |
f8eba3c6 | 1066 | iterate_over_symbols, |
a53b64ea | 1067 | &default_varobj_ops, |
20a0e81d JB |
1068 | LANG_MAGIC |
1069 | }; | |
1070 | ||
c906108c | 1071 | void |
fba45db2 | 1072 | _initialize_c_language (void) |
c906108c SS |
1073 | { |
1074 | add_language (&c_language_defn); | |
1075 | add_language (&cplus_language_defn); | |
1076 | add_language (&asm_language_defn); | |
20a0e81d | 1077 | add_language (&minimal_language_defn); |
c906108c | 1078 | } |