Commit | Line | Data |
---|---|---|
4c4b4cd2 | 1 | /* Support for printing Ada values for GDB, the GNU debugger. |
d56612af | 2 | |
b811d2c2 | 3 | Copyright (C) 1986-2020 Free Software Foundation, Inc. |
14f9c5c9 | 4 | |
a9762ec7 | 5 | This file is part of GDB. |
14f9c5c9 | 6 | |
a9762ec7 JB |
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 | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
14f9c5c9 | 11 | |
a9762ec7 JB |
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. | |
14f9c5c9 | 16 | |
a9762ec7 JB |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
14f9c5c9 | 19 | |
14f9c5c9 | 20 | #include "defs.h" |
12c89474 | 21 | #include <ctype.h> |
4de283e4 TT |
22 | #include "gdbtypes.h" |
23 | #include "expression.h" | |
24 | #include "value.h" | |
4de283e4 TT |
25 | #include "valprint.h" |
26 | #include "language.h" | |
d55e5aa6 | 27 | #include "annotate.h" |
4de283e4 | 28 | #include "ada-lang.h" |
50eff16b | 29 | #include "target-float.h" |
7f6aba03 | 30 | #include "cli/cli-style.h" |
cdc46a9f | 31 | #include "gdbarch.h" |
14f9c5c9 | 32 | |
fc1a4b47 | 33 | static int print_field_values (struct type *, const gdb_byte *, |
490f124f | 34 | int, |
79a45b7d | 35 | struct ui_file *, int, |
e8b24d9f | 36 | struct value *, |
79a45b7d | 37 | const struct value_print_options *, |
8e355c5d JB |
38 | int, struct type *, int, |
39 | const struct language_defn *); | |
14f9c5c9 AS |
40 | \f |
41 | ||
4c4b4cd2 | 42 | /* Make TYPE unsigned if its range of values includes no negatives. */ |
d2e4a39e | 43 | static void |
4dc81987 | 44 | adjust_type_signedness (struct type *type) |
14f9c5c9 | 45 | { |
d2e4a39e | 46 | if (type != NULL && TYPE_CODE (type) == TYPE_CODE_RANGE |
14f9c5c9 | 47 | && TYPE_LOW_BOUND (type) >= 0) |
876cecd0 | 48 | TYPE_UNSIGNED (type) = 1; |
d2e4a39e | 49 | } |
14f9c5c9 | 50 | |
e936309c JB |
51 | /* Assuming TYPE is a simple array type, prints its lower bound on STREAM, |
52 | if non-standard (i.e., other than 1 for numbers, other than lower bound | |
53 | of index type for enumerated type). Returns 1 if something printed, | |
54 | otherwise 0. */ | |
14f9c5c9 | 55 | |
d2e4a39e | 56 | static int |
79a45b7d TT |
57 | print_optional_low_bound (struct ui_file *stream, struct type *type, |
58 | const struct value_print_options *options) | |
14f9c5c9 AS |
59 | { |
60 | struct type *index_type; | |
df178451 PM |
61 | LONGEST low_bound; |
62 | LONGEST high_bound; | |
14f9c5c9 | 63 | |
79a45b7d | 64 | if (options->print_array_indexes) |
14f9c5c9 | 65 | return 0; |
e79af960 | 66 | |
e936309c JB |
67 | if (!get_array_bounds (type, &low_bound, &high_bound)) |
68 | return 0; | |
69 | ||
70 | /* If this is an empty array, then don't print the lower bound. | |
71 | That would be confusing, because we would print the lower bound, | |
72 | followed by... nothing! */ | |
73 | if (low_bound > high_bound) | |
14f9c5c9 | 74 | return 0; |
d2e4a39e | 75 | |
e79af960 JB |
76 | index_type = TYPE_INDEX_TYPE (type); |
77 | ||
859cf5d1 | 78 | while (TYPE_CODE (index_type) == TYPE_CODE_RANGE) |
fd1b946e JB |
79 | { |
80 | /* We need to know what the base type is, in order to do the | |
81 | appropriate check below. Otherwise, if this is a subrange | |
82 | of an enumerated type, where the underlying value of the | |
83 | first element is typically 0, we might test the low bound | |
84 | against the wrong value. */ | |
85 | index_type = TYPE_TARGET_TYPE (index_type); | |
86 | } | |
87 | ||
e3861a03 | 88 | /* Don't print the lower bound if it's the default one. */ |
d2e4a39e AS |
89 | switch (TYPE_CODE (index_type)) |
90 | { | |
690cc4eb | 91 | case TYPE_CODE_BOOL: |
e3861a03 | 92 | case TYPE_CODE_CHAR: |
690cc4eb PH |
93 | if (low_bound == 0) |
94 | return 0; | |
95 | break; | |
d2e4a39e | 96 | case TYPE_CODE_ENUM: |
14e75d8e | 97 | if (low_bound == TYPE_FIELD_ENUMVAL (index_type, 0)) |
d2e4a39e AS |
98 | return 0; |
99 | break; | |
100 | case TYPE_CODE_UNDEF: | |
7c964f07 | 101 | index_type = NULL; |
d2e4a39e AS |
102 | /* FALL THROUGH */ |
103 | default: | |
104 | if (low_bound == 1) | |
105 | return 0; | |
106 | break; | |
107 | } | |
14f9c5c9 | 108 | |
df178451 | 109 | ada_print_scalar (index_type, low_bound, stream); |
14f9c5c9 AS |
110 | fprintf_filtered (stream, " => "); |
111 | return 1; | |
112 | } | |
113 | ||
114 | /* Version of val_print_array_elements for GNAT-style packed arrays. | |
115 | Prints elements of packed array of type TYPE at bit offset | |
79a45b7d | 116 | BITOFFSET from VALADDR on STREAM. Formats according to OPTIONS and |
4c4b4cd2 | 117 | separates with commas. RECURSE is the recursion (nesting) level. |
79a45b7d | 118 | TYPE must have been decoded (as by ada_coerce_to_simple_array). */ |
14f9c5c9 AS |
119 | |
120 | static void | |
fc1a4b47 | 121 | val_print_packed_array_elements (struct type *type, const gdb_byte *valaddr, |
490f124f | 122 | int offset, |
ebf56fd3 | 123 | int bitoffset, struct ui_file *stream, |
79a45b7d | 124 | int recurse, |
e8b24d9f | 125 | struct value *val, |
79a45b7d | 126 | const struct value_print_options *options) |
14f9c5c9 AS |
127 | { |
128 | unsigned int i; | |
129 | unsigned int things_printed = 0; | |
130 | unsigned len; | |
e79af960 | 131 | struct type *elttype, *index_type; |
14f9c5c9 | 132 | unsigned long bitsize = TYPE_FIELD_BITSIZE (type, 0); |
d2e4a39e | 133 | struct value *mark = value_mark (); |
e79af960 | 134 | LONGEST low = 0; |
d2e4a39e | 135 | |
14f9c5c9 | 136 | elttype = TYPE_TARGET_TYPE (type); |
e79af960 | 137 | index_type = TYPE_INDEX_TYPE (type); |
14f9c5c9 AS |
138 | |
139 | { | |
e79af960 | 140 | LONGEST high; |
04bafb1e | 141 | struct type *base_index_type; |
5b4ee69b | 142 | |
262452ec | 143 | if (get_discrete_bounds (index_type, &low, &high) < 0) |
14f9c5c9 AS |
144 | len = 1; |
145 | else | |
146 | len = high - low + 1; | |
04bafb1e XR |
147 | |
148 | if (TYPE_CODE (index_type) == TYPE_CODE_RANGE) | |
149 | base_index_type = TYPE_TARGET_TYPE (index_type); | |
150 | else | |
151 | base_index_type = index_type; | |
152 | ||
153 | if (TYPE_CODE (base_index_type) == TYPE_CODE_ENUM) | |
154 | { | |
155 | LONGEST low_pos, high_pos; | |
156 | ||
157 | /* Non-contiguous enumerations types can by used as index types | |
158 | so the array length is computed from the positions of the | |
159 | first and last literal in the enumeration type, and not from | |
160 | the values of these literals. */ | |
161 | ||
162 | if (!discrete_position (base_index_type, low, &low_pos) | |
163 | || !discrete_position (base_index_type, high, &high_pos)) | |
164 | { | |
165 | warning (_("unable to get positions in array, use bounds instead")); | |
166 | low_pos = low; | |
167 | high_pos = high; | |
168 | } | |
169 | ||
170 | /* The array length should normally be HIGH_POS - LOW_POS + 1. | |
171 | But in Ada we allow LOW_POS to be greater than HIGH_POS for | |
172 | empty arrays. In that situation, the array length is just zero, | |
173 | not negative! */ | |
174 | ||
175 | if (low_pos > high_pos) | |
176 | len = 0; | |
177 | else | |
178 | len = high_pos - low_pos + 1; | |
179 | } | |
14f9c5c9 AS |
180 | } |
181 | ||
182 | i = 0; | |
183 | annotate_array_section_begin (i, elttype); | |
184 | ||
79a45b7d | 185 | while (i < len && things_printed < options->print_max) |
14f9c5c9 AS |
186 | { |
187 | struct value *v0, *v1; | |
188 | int i0; | |
189 | ||
190 | if (i != 0) | |
191 | { | |
2a998fc0 | 192 | if (options->prettyformat_arrays) |
14f9c5c9 AS |
193 | { |
194 | fprintf_filtered (stream, ",\n"); | |
195 | print_spaces_filtered (2 + 2 * recurse, stream); | |
196 | } | |
197 | else | |
198 | { | |
199 | fprintf_filtered (stream, ", "); | |
200 | } | |
201 | } | |
202 | wrap_here (n_spaces (2 + 2 * recurse)); | |
79a45b7d | 203 | maybe_print_array_index (index_type, i + low, stream, options); |
14f9c5c9 AS |
204 | |
205 | i0 = i; | |
490f124f | 206 | v0 = ada_value_primitive_packed_val (NULL, valaddr + offset, |
14f9c5c9 AS |
207 | (i0 * bitsize) / HOST_CHAR_BIT, |
208 | (i0 * bitsize) % HOST_CHAR_BIT, | |
209 | bitsize, elttype); | |
210 | while (1) | |
211 | { | |
212 | i += 1; | |
213 | if (i >= len) | |
214 | break; | |
490f124f | 215 | v1 = ada_value_primitive_packed_val (NULL, valaddr + offset, |
14f9c5c9 AS |
216 | (i * bitsize) / HOST_CHAR_BIT, |
217 | (i * bitsize) % HOST_CHAR_BIT, | |
218 | bitsize, elttype); | |
2478d075 JB |
219 | if (TYPE_LENGTH (check_typedef (value_type (v0))) |
220 | != TYPE_LENGTH (check_typedef (value_type (v1)))) | |
221 | break; | |
9a0dc9e3 PA |
222 | if (!value_contents_eq (v0, value_embedded_offset (v0), |
223 | v1, value_embedded_offset (v1), | |
2478d075 | 224 | TYPE_LENGTH (check_typedef (value_type (v0))))) |
14f9c5c9 AS |
225 | break; |
226 | } | |
227 | ||
79a45b7d | 228 | if (i - i0 > options->repeat_count_threshold) |
14f9c5c9 | 229 | { |
79a45b7d | 230 | struct value_print_options opts = *options; |
5b4ee69b | 231 | |
79a45b7d | 232 | opts.deref_ref = 0; |
e8b24d9f | 233 | val_print (elttype, |
490f124f | 234 | value_embedded_offset (v0), 0, stream, |
a491d753 | 235 | recurse + 1, v0, &opts, current_language); |
14f9c5c9 | 236 | annotate_elt_rep (i - i0); |
7f6aba03 TT |
237 | fprintf_filtered (stream, _(" %p[<repeats %u times>%p]"), |
238 | metadata_style.style ().ptr (), i - i0, nullptr); | |
14f9c5c9 AS |
239 | annotate_elt_rep_end (); |
240 | ||
241 | } | |
242 | else | |
243 | { | |
244 | int j; | |
79a45b7d | 245 | struct value_print_options opts = *options; |
5b4ee69b | 246 | |
79a45b7d | 247 | opts.deref_ref = 0; |
14f9c5c9 AS |
248 | for (j = i0; j < i; j += 1) |
249 | { | |
d2e4a39e | 250 | if (j > i0) |
14f9c5c9 | 251 | { |
2a998fc0 | 252 | if (options->prettyformat_arrays) |
14f9c5c9 AS |
253 | { |
254 | fprintf_filtered (stream, ",\n"); | |
255 | print_spaces_filtered (2 + 2 * recurse, stream); | |
256 | } | |
257 | else | |
258 | { | |
259 | fprintf_filtered (stream, ", "); | |
260 | } | |
261 | wrap_here (n_spaces (2 + 2 * recurse)); | |
e79af960 | 262 | maybe_print_array_index (index_type, j + low, |
79a45b7d | 263 | stream, options); |
14f9c5c9 | 264 | } |
e8b24d9f | 265 | val_print (elttype, |
490f124f | 266 | value_embedded_offset (v0), 0, stream, |
a491d753 | 267 | recurse + 1, v0, &opts, current_language); |
14f9c5c9 AS |
268 | annotate_elt (); |
269 | } | |
270 | } | |
271 | things_printed += i - i0; | |
272 | } | |
273 | annotate_array_section_end (); | |
274 | if (i < len) | |
275 | { | |
276 | fprintf_filtered (stream, "..."); | |
277 | } | |
278 | ||
279 | value_free_to_mark (mark); | |
280 | } | |
281 | ||
d2e4a39e | 282 | static struct type * |
fc1a4b47 | 283 | printable_val_type (struct type *type, const gdb_byte *valaddr) |
14f9c5c9 | 284 | { |
1ed6ede0 | 285 | return ada_to_fixed_type (ada_aligned_type (type), valaddr, 0, NULL, 1); |
14f9c5c9 AS |
286 | } |
287 | ||
288 | /* Print the character C on STREAM as part of the contents of a literal | |
289 | string whose delimiter is QUOTER. TYPE_LEN is the length in bytes | |
4ffa5a33 | 290 | of the character. */ |
14f9c5c9 AS |
291 | |
292 | void | |
6c7a06a3 TT |
293 | ada_emit_char (int c, struct type *type, struct ui_file *stream, |
294 | int quoter, int type_len) | |
14f9c5c9 | 295 | { |
4ffa5a33 JB |
296 | /* If this character fits in the normal ASCII range, and is |
297 | a printable character, then print the character as if it was | |
298 | an ASCII character, even if this is a wide character. | |
299 | The UCHAR_MAX check is necessary because the isascii function | |
300 | requires that its argument have a value of an unsigned char, | |
301 | or EOF (EOF is obviously not printable). */ | |
302 | if (c <= UCHAR_MAX && isascii (c) && isprint (c)) | |
14f9c5c9 AS |
303 | { |
304 | if (c == quoter && c == '"') | |
529cad9c | 305 | fprintf_filtered (stream, "\"\""); |
14f9c5c9 AS |
306 | else |
307 | fprintf_filtered (stream, "%c", c); | |
308 | } | |
309 | else | |
d2e4a39e | 310 | fprintf_filtered (stream, "[\"%0*x\"]", type_len * 2, c); |
14f9c5c9 AS |
311 | } |
312 | ||
4ffa5a33 JB |
313 | /* Character #I of STRING, given that TYPE_LEN is the size in bytes |
314 | of a character. */ | |
14f9c5c9 AS |
315 | |
316 | static int | |
e17a4113 UW |
317 | char_at (const gdb_byte *string, int i, int type_len, |
318 | enum bfd_endian byte_order) | |
14f9c5c9 AS |
319 | { |
320 | if (type_len == 1) | |
321 | return string[i]; | |
d2e4a39e | 322 | else |
4ffa5a33 JB |
323 | return (int) extract_unsigned_integer (string + type_len * i, |
324 | type_len, byte_order); | |
14f9c5c9 AS |
325 | } |
326 | ||
4c4b4cd2 PH |
327 | /* Print a floating-point value of type TYPE, pointed to in GDB by |
328 | VALADDR, on STREAM. Use Ada formatting conventions: there must be | |
329 | a decimal point, and at least one digit before and after the | |
4fbf5aa5 JB |
330 | point. We use the GNAT format for NaNs and infinities. */ |
331 | ||
4c4b4cd2 | 332 | static void |
fc1a4b47 | 333 | ada_print_floating (const gdb_byte *valaddr, struct type *type, |
a2bd3dcd | 334 | struct ui_file *stream) |
4c4b4cd2 | 335 | { |
d7e74731 | 336 | string_file tmp_stream; |
4c4b4cd2 | 337 | |
d7e74731 | 338 | print_floating (valaddr, type, &tmp_stream); |
77e1c742 | 339 | |
d7e74731 | 340 | std::string &s = tmp_stream.string (); |
77e1c742 | 341 | size_t skip_count = 0; |
4c4b4cd2 PH |
342 | |
343 | /* Modify for Ada rules. */ | |
606b8d1a | 344 | |
77e1c742 PA |
345 | size_t pos = s.find ("inf"); |
346 | if (pos == std::string::npos) | |
347 | pos = s.find ("Inf"); | |
348 | if (pos == std::string::npos) | |
349 | pos = s.find ("INF"); | |
350 | if (pos != std::string::npos) | |
351 | s.replace (pos, 3, "Inf"); | |
c3e5cd34 | 352 | |
77e1c742 | 353 | if (pos == std::string::npos) |
4c4b4cd2 | 354 | { |
77e1c742 PA |
355 | pos = s.find ("nan"); |
356 | if (pos == std::string::npos) | |
357 | pos = s.find ("NaN"); | |
358 | if (pos == std::string::npos) | |
359 | pos = s.find ("Nan"); | |
360 | if (pos != std::string::npos) | |
c3e5cd34 | 361 | { |
77e1c742 PA |
362 | s[pos] = s[pos + 2] = 'N'; |
363 | if (s[0] == '-') | |
364 | skip_count = 1; | |
c3e5cd34 | 365 | } |
4c4b4cd2 | 366 | } |
c3e5cd34 | 367 | |
77e1c742 PA |
368 | if (pos == std::string::npos |
369 | && s.find ('.') == std::string::npos) | |
4c4b4cd2 | 370 | { |
77e1c742 PA |
371 | pos = s.find ('e'); |
372 | if (pos == std::string::npos) | |
373 | fprintf_filtered (stream, "%s.0", s.c_str ()); | |
4c4b4cd2 | 374 | else |
77e1c742 | 375 | fprintf_filtered (stream, "%.*s.0%s", (int) pos, s.c_str (), &s[pos]); |
4c4b4cd2 | 376 | } |
4fbf5aa5 | 377 | else |
77e1c742 | 378 | fprintf_filtered (stream, "%s", &s[skip_count]); |
4c4b4cd2 PH |
379 | } |
380 | ||
14f9c5c9 | 381 | void |
6c7a06a3 | 382 | ada_printchar (int c, struct type *type, struct ui_file *stream) |
14f9c5c9 AS |
383 | { |
384 | fputs_filtered ("'", stream); | |
447b483c | 385 | ada_emit_char (c, type, stream, '\'', TYPE_LENGTH (type)); |
14f9c5c9 AS |
386 | fputs_filtered ("'", stream); |
387 | } | |
388 | ||
389 | /* [From print_type_scalar in typeprint.c]. Print VAL on STREAM in a | |
7c964f07 UW |
390 | form appropriate for TYPE, if non-NULL. If TYPE is NULL, print VAL |
391 | like a default signed integer. */ | |
14f9c5c9 AS |
392 | |
393 | void | |
ebf56fd3 | 394 | ada_print_scalar (struct type *type, LONGEST val, struct ui_file *stream) |
14f9c5c9 AS |
395 | { |
396 | unsigned int i; | |
397 | unsigned len; | |
398 | ||
7c964f07 UW |
399 | if (!type) |
400 | { | |
401 | print_longest (stream, 'd', 0, val); | |
402 | return; | |
403 | } | |
404 | ||
61ee279c | 405 | type = ada_check_typedef (type); |
14f9c5c9 AS |
406 | |
407 | switch (TYPE_CODE (type)) | |
408 | { | |
409 | ||
410 | case TYPE_CODE_ENUM: | |
411 | len = TYPE_NFIELDS (type); | |
412 | for (i = 0; i < len; i++) | |
413 | { | |
14e75d8e | 414 | if (TYPE_FIELD_ENUMVAL (type, i) == val) |
14f9c5c9 AS |
415 | { |
416 | break; | |
417 | } | |
418 | } | |
419 | if (i < len) | |
420 | { | |
3f0cbb04 TT |
421 | fputs_styled (ada_enum_name (TYPE_FIELD_NAME (type, i)), |
422 | variable_name_style.style (), stream); | |
14f9c5c9 AS |
423 | } |
424 | else | |
425 | { | |
426 | print_longest (stream, 'd', 0, val); | |
427 | } | |
428 | break; | |
429 | ||
430 | case TYPE_CODE_INT: | |
431 | print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, val); | |
432 | break; | |
433 | ||
434 | case TYPE_CODE_CHAR: | |
10d44370 | 435 | LA_PRINT_CHAR (val, type, stream); |
14f9c5c9 AS |
436 | break; |
437 | ||
438 | case TYPE_CODE_BOOL: | |
439 | fprintf_filtered (stream, val ? "true" : "false"); | |
440 | break; | |
441 | ||
442 | case TYPE_CODE_RANGE: | |
443 | ada_print_scalar (TYPE_TARGET_TYPE (type), val, stream); | |
444 | return; | |
445 | ||
446 | case TYPE_CODE_UNDEF: | |
447 | case TYPE_CODE_PTR: | |
448 | case TYPE_CODE_ARRAY: | |
449 | case TYPE_CODE_STRUCT: | |
450 | case TYPE_CODE_UNION: | |
451 | case TYPE_CODE_FUNC: | |
452 | case TYPE_CODE_FLT: | |
453 | case TYPE_CODE_VOID: | |
454 | case TYPE_CODE_SET: | |
455 | case TYPE_CODE_STRING: | |
456 | case TYPE_CODE_ERROR: | |
0d5de010 DJ |
457 | case TYPE_CODE_MEMBERPTR: |
458 | case TYPE_CODE_METHODPTR: | |
14f9c5c9 AS |
459 | case TYPE_CODE_METHOD: |
460 | case TYPE_CODE_REF: | |
edefbb7c | 461 | warning (_("internal error: unhandled type in ada_print_scalar")); |
14f9c5c9 AS |
462 | break; |
463 | ||
464 | default: | |
edefbb7c | 465 | error (_("Invalid type code in symbol table.")); |
14f9c5c9 | 466 | } |
14f9c5c9 AS |
467 | } |
468 | ||
469 | /* Print the character string STRING, printing at most LENGTH characters. | |
470 | Printing stops early if the number hits print_max; repeat counts | |
471 | are printed as appropriate. Print ellipses at the end if we | |
9a153e0b JB |
472 | had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. |
473 | TYPE_LEN is the length (1 or 2) of the character type. */ | |
14f9c5c9 AS |
474 | |
475 | static void | |
6c7a06a3 | 476 | printstr (struct ui_file *stream, struct type *elttype, const gdb_byte *string, |
79a45b7d TT |
477 | unsigned int length, int force_ellipses, int type_len, |
478 | const struct value_print_options *options) | |
14f9c5c9 | 479 | { |
34877895 | 480 | enum bfd_endian byte_order = type_byte_order (elttype); |
14f9c5c9 AS |
481 | unsigned int i; |
482 | unsigned int things_printed = 0; | |
483 | int in_quotes = 0; | |
484 | int need_comma = 0; | |
485 | ||
486 | if (length == 0) | |
487 | { | |
488 | fputs_filtered ("\"\"", stream); | |
489 | return; | |
490 | } | |
491 | ||
79a45b7d | 492 | for (i = 0; i < length && things_printed < options->print_max; i += 1) |
14f9c5c9 AS |
493 | { |
494 | /* Position of the character we are examining | |
d2e4a39e | 495 | to see whether it is repeated. */ |
14f9c5c9 AS |
496 | unsigned int rep1; |
497 | /* Number of repetitions we have detected so far. */ | |
498 | unsigned int reps; | |
499 | ||
500 | QUIT; | |
501 | ||
502 | if (need_comma) | |
503 | { | |
504 | fputs_filtered (", ", stream); | |
505 | need_comma = 0; | |
506 | } | |
507 | ||
508 | rep1 = i + 1; | |
509 | reps = 1; | |
c3e5cd34 | 510 | while (rep1 < length |
e17a4113 UW |
511 | && char_at (string, rep1, type_len, byte_order) |
512 | == char_at (string, i, type_len, byte_order)) | |
14f9c5c9 AS |
513 | { |
514 | rep1 += 1; | |
515 | reps += 1; | |
516 | } | |
517 | ||
79a45b7d | 518 | if (reps > options->repeat_count_threshold) |
14f9c5c9 AS |
519 | { |
520 | if (in_quotes) | |
521 | { | |
e93a8774 | 522 | fputs_filtered ("\", ", stream); |
14f9c5c9 AS |
523 | in_quotes = 0; |
524 | } | |
525 | fputs_filtered ("'", stream); | |
e17a4113 UW |
526 | ada_emit_char (char_at (string, i, type_len, byte_order), |
527 | elttype, stream, '\'', type_len); | |
14f9c5c9 | 528 | fputs_filtered ("'", stream); |
7f6aba03 TT |
529 | fprintf_filtered (stream, _(" %p[<repeats %u times>%p]"), |
530 | metadata_style.style ().ptr (), reps, nullptr); | |
14f9c5c9 | 531 | i = rep1 - 1; |
79a45b7d | 532 | things_printed += options->repeat_count_threshold; |
14f9c5c9 AS |
533 | need_comma = 1; |
534 | } | |
535 | else | |
536 | { | |
537 | if (!in_quotes) | |
538 | { | |
e93a8774 | 539 | fputs_filtered ("\"", stream); |
14f9c5c9 AS |
540 | in_quotes = 1; |
541 | } | |
e17a4113 UW |
542 | ada_emit_char (char_at (string, i, type_len, byte_order), |
543 | elttype, stream, '"', type_len); | |
14f9c5c9 AS |
544 | things_printed += 1; |
545 | } | |
546 | } | |
547 | ||
548 | /* Terminate the quotes if necessary. */ | |
549 | if (in_quotes) | |
e93a8774 | 550 | fputs_filtered ("\"", stream); |
14f9c5c9 AS |
551 | |
552 | if (force_ellipses || i < length) | |
553 | fputs_filtered ("...", stream); | |
554 | } | |
555 | ||
556 | void | |
0963b4bd MS |
557 | ada_printstr (struct ui_file *stream, struct type *type, |
558 | const gdb_byte *string, unsigned int length, | |
559 | const char *encoding, int force_ellipses, | |
79a45b7d | 560 | const struct value_print_options *options) |
14f9c5c9 | 561 | { |
6c7a06a3 TT |
562 | printstr (stream, type, string, length, force_ellipses, TYPE_LENGTH (type), |
563 | options); | |
14f9c5c9 AS |
564 | } |
565 | ||
bdf779a0 JB |
566 | static int |
567 | print_variant_part (struct type *type, int field_num, | |
568 | const gdb_byte *valaddr, int offset, | |
569 | struct ui_file *stream, int recurse, | |
e8b24d9f | 570 | struct value *val, |
bdf779a0 JB |
571 | const struct value_print_options *options, |
572 | int comma_needed, | |
8e355c5d JB |
573 | struct type *outer_type, int outer_offset, |
574 | const struct language_defn *language) | |
bdf779a0 JB |
575 | { |
576 | struct type *var_type = TYPE_FIELD_TYPE (type, field_num); | |
577 | int which = ada_which_variant_applies (var_type, outer_type, | |
578 | valaddr + outer_offset); | |
579 | ||
580 | if (which < 0) | |
581 | return 0; | |
582 | else | |
583 | return print_field_values | |
584 | (TYPE_FIELD_TYPE (var_type, which), | |
585 | valaddr, | |
586 | offset + TYPE_FIELD_BITPOS (type, field_num) / HOST_CHAR_BIT | |
587 | + TYPE_FIELD_BITPOS (var_type, which) / HOST_CHAR_BIT, | |
588 | stream, recurse, val, options, | |
8e355c5d | 589 | comma_needed, outer_type, outer_offset, language); |
bdf779a0 JB |
590 | } |
591 | ||
592 | /* Print out fields of value at VALADDR + OFFSET having structure type TYPE. | |
593 | ||
594 | TYPE, VALADDR, OFFSET, STREAM, RECURSE, and OPTIONS have the same | |
595 | meanings as in ada_print_value and ada_val_print. | |
596 | ||
597 | OUTER_TYPE and OUTER_OFFSET give type and address of enclosing | |
598 | record (used to get discriminant values when printing variant | |
599 | parts). | |
600 | ||
601 | COMMA_NEEDED is 1 if fields have been printed at the current recursion | |
602 | level, so that a comma is needed before any field printed by this | |
603 | call. | |
604 | ||
605 | Returns 1 if COMMA_NEEDED or any fields were printed. */ | |
606 | ||
607 | static int | |
608 | print_field_values (struct type *type, const gdb_byte *valaddr, | |
609 | int offset, struct ui_file *stream, int recurse, | |
e8b24d9f | 610 | struct value *val, |
bdf779a0 JB |
611 | const struct value_print_options *options, |
612 | int comma_needed, | |
8e355c5d JB |
613 | struct type *outer_type, int outer_offset, |
614 | const struct language_defn *language) | |
bdf779a0 JB |
615 | { |
616 | int i, len; | |
617 | ||
618 | len = TYPE_NFIELDS (type); | |
619 | ||
620 | for (i = 0; i < len; i += 1) | |
621 | { | |
622 | if (ada_is_ignored_field (type, i)) | |
623 | continue; | |
624 | ||
625 | if (ada_is_wrapper_field (type, i)) | |
626 | { | |
627 | comma_needed = | |
628 | print_field_values (TYPE_FIELD_TYPE (type, i), | |
629 | valaddr, | |
630 | (offset | |
631 | + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT), | |
632 | stream, recurse, val, options, | |
8e355c5d | 633 | comma_needed, type, offset, language); |
bdf779a0 JB |
634 | continue; |
635 | } | |
636 | else if (ada_is_variant_part (type, i)) | |
637 | { | |
638 | comma_needed = | |
639 | print_variant_part (type, i, valaddr, | |
640 | offset, stream, recurse, val, | |
641 | options, comma_needed, | |
8e355c5d | 642 | outer_type, outer_offset, language); |
bdf779a0 JB |
643 | continue; |
644 | } | |
645 | ||
646 | if (comma_needed) | |
647 | fprintf_filtered (stream, ", "); | |
648 | comma_needed = 1; | |
649 | ||
650 | if (options->prettyformat) | |
651 | { | |
652 | fprintf_filtered (stream, "\n"); | |
653 | print_spaces_filtered (2 + 2 * recurse, stream); | |
654 | } | |
655 | else | |
656 | { | |
657 | wrap_here (n_spaces (2 + 2 * recurse)); | |
658 | } | |
659 | ||
660 | annotate_field_begin (TYPE_FIELD_TYPE (type, i)); | |
661 | fprintf_filtered (stream, "%.*s", | |
662 | ada_name_prefix_len (TYPE_FIELD_NAME (type, i)), | |
663 | TYPE_FIELD_NAME (type, i)); | |
664 | annotate_field_name_end (); | |
665 | fputs_filtered (" => ", stream); | |
666 | annotate_field_value (); | |
667 | ||
668 | if (TYPE_FIELD_PACKED (type, i)) | |
669 | { | |
bdf779a0 JB |
670 | /* Bitfields require special handling, especially due to byte |
671 | order problems. */ | |
672 | if (HAVE_CPLUS_STRUCT (type) && TYPE_FIELD_IGNORE (type, i)) | |
673 | { | |
7f6aba03 TT |
674 | fputs_styled (_("<optimized out or zero length>"), |
675 | metadata_style.style (), stream); | |
bdf779a0 JB |
676 | } |
677 | else | |
678 | { | |
e8b24d9f | 679 | struct value *v; |
bdf779a0 JB |
680 | int bit_pos = TYPE_FIELD_BITPOS (type, i); |
681 | int bit_size = TYPE_FIELD_BITSIZE (type, i); | |
682 | struct value_print_options opts; | |
683 | ||
684 | adjust_type_signedness (TYPE_FIELD_TYPE (type, i)); | |
685 | v = ada_value_primitive_packed_val | |
686 | (NULL, valaddr, | |
687 | offset + bit_pos / HOST_CHAR_BIT, | |
688 | bit_pos % HOST_CHAR_BIT, | |
689 | bit_size, TYPE_FIELD_TYPE (type, i)); | |
690 | opts = *options; | |
691 | opts.deref_ref = 0; | |
692 | val_print (TYPE_FIELD_TYPE (type, i), | |
bdf779a0 JB |
693 | value_embedded_offset (v), 0, |
694 | stream, recurse + 1, v, | |
8e355c5d | 695 | &opts, language); |
bdf779a0 JB |
696 | } |
697 | } | |
698 | else | |
699 | { | |
700 | struct value_print_options opts = *options; | |
701 | ||
702 | opts.deref_ref = 0; | |
e8b24d9f | 703 | val_print (TYPE_FIELD_TYPE (type, i), |
8e355c5d JB |
704 | (offset + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT), |
705 | 0, stream, recurse + 1, val, &opts, language); | |
bdf779a0 JB |
706 | } |
707 | annotate_field_end (); | |
708 | } | |
709 | ||
710 | return comma_needed; | |
711 | } | |
712 | ||
71855601 JB |
713 | /* Implement Ada val_print'ing for the case where TYPE is |
714 | a TYPE_CODE_ARRAY of characters. */ | |
715 | ||
716 | static void | |
717 | ada_val_print_string (struct type *type, const gdb_byte *valaddr, | |
718 | int offset, int offset_aligned, CORE_ADDR address, | |
719 | struct ui_file *stream, int recurse, | |
e8b24d9f | 720 | struct value *original_value, |
71855601 JB |
721 | const struct value_print_options *options) |
722 | { | |
34877895 | 723 | enum bfd_endian byte_order = type_byte_order (type); |
71855601 JB |
724 | struct type *elttype = TYPE_TARGET_TYPE (type); |
725 | unsigned int eltlen; | |
726 | unsigned int len; | |
727 | ||
728 | /* We know that ELTTYPE cannot possibly be null, because we assume | |
729 | that we're called only when TYPE is a string-like type. | |
730 | Similarly, the size of ELTTYPE should also be non-null, since | |
731 | it's a character-like type. */ | |
732 | gdb_assert (elttype != NULL); | |
733 | gdb_assert (TYPE_LENGTH (elttype) != 0); | |
734 | ||
735 | eltlen = TYPE_LENGTH (elttype); | |
736 | len = TYPE_LENGTH (type) / eltlen; | |
737 | ||
738 | if (options->prettyformat_arrays) | |
739 | print_spaces_filtered (2 + 2 * recurse, stream); | |
740 | ||
741 | /* If requested, look for the first null char and only print | |
742 | elements up to it. */ | |
743 | if (options->stop_print_at_null) | |
744 | { | |
745 | int temp_len; | |
746 | ||
747 | /* Look for a NULL char. */ | |
748 | for (temp_len = 0; | |
749 | (temp_len < len | |
750 | && temp_len < options->print_max | |
751 | && char_at (valaddr + offset_aligned, | |
752 | temp_len, eltlen, byte_order) != 0); | |
753 | temp_len += 1); | |
754 | len = temp_len; | |
755 | } | |
756 | ||
757 | printstr (stream, elttype, valaddr + offset_aligned, len, 0, | |
758 | eltlen, options); | |
759 | } | |
760 | ||
8004dfd1 JB |
761 | /* Implement Ada val_print-ing for GNAT arrays (Eg. fat pointers, |
762 | thin pointers, etc). */ | |
763 | ||
764 | static void | |
765 | ada_val_print_gnat_array (struct type *type, const gdb_byte *valaddr, | |
766 | int offset, CORE_ADDR address, | |
767 | struct ui_file *stream, int recurse, | |
e8b24d9f | 768 | struct value *original_value, |
2228ef77 | 769 | const struct value_print_options *options) |
8004dfd1 JB |
770 | { |
771 | struct value *mark = value_mark (); | |
772 | struct value *val; | |
773 | ||
774 | val = value_from_contents_and_address (type, valaddr + offset, address); | |
775 | /* If this is a reference, coerce it now. This helps taking care | |
776 | of the case where ADDRESS is meaningless because original_value | |
777 | was not an lval. */ | |
778 | val = coerce_ref (val); | |
779 | if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF) /* array access type. */ | |
780 | val = ada_coerce_to_simple_array_ptr (val); | |
781 | else | |
782 | val = ada_coerce_to_simple_array (val); | |
783 | if (val == NULL) | |
784 | { | |
785 | gdb_assert (TYPE_CODE (type) == TYPE_CODE_TYPEDEF); | |
786 | fprintf_filtered (stream, "0x0"); | |
787 | } | |
788 | else | |
e8b24d9f | 789 | val_print (value_type (val), |
8004dfd1 | 790 | value_embedded_offset (val), value_address (val), |
2228ef77 XR |
791 | stream, recurse, val, options, |
792 | language_def (language_ada)); | |
8004dfd1 JB |
793 | value_free_to_mark (mark); |
794 | } | |
795 | ||
796 | /* Implement Ada val_print'ing for the case where TYPE is | |
797 | a TYPE_CODE_PTR. */ | |
798 | ||
799 | static void | |
800 | ada_val_print_ptr (struct type *type, const gdb_byte *valaddr, | |
801 | int offset, int offset_aligned, CORE_ADDR address, | |
802 | struct ui_file *stream, int recurse, | |
e8b24d9f | 803 | struct value *original_value, |
2228ef77 | 804 | const struct value_print_options *options) |
8004dfd1 | 805 | { |
e8b24d9f | 806 | val_print (type, offset, address, stream, recurse, |
8004dfd1 JB |
807 | original_value, options, language_def (language_c)); |
808 | ||
809 | if (ada_is_tag_type (type)) | |
810 | { | |
811 | struct value *val = | |
812 | value_from_contents_and_address (type, | |
813 | valaddr + offset_aligned, | |
814 | address + offset_aligned); | |
815 | const char *name = ada_tag_name (val); | |
816 | ||
817 | if (name != NULL) | |
818 | fprintf_filtered (stream, " (%s)", name); | |
819 | } | |
820 | } | |
821 | ||
822 | /* Implement Ada val_print'ing for the case where TYPE is | |
823 | a TYPE_CODE_INT or TYPE_CODE_RANGE. */ | |
824 | ||
825 | static void | |
826 | ada_val_print_num (struct type *type, const gdb_byte *valaddr, | |
827 | int offset, int offset_aligned, CORE_ADDR address, | |
828 | struct ui_file *stream, int recurse, | |
e8b24d9f | 829 | struct value *original_value, |
2228ef77 | 830 | const struct value_print_options *options) |
8004dfd1 JB |
831 | { |
832 | if (ada_is_fixed_point_type (type)) | |
833 | { | |
50eff16b UW |
834 | struct value *scale = ada_scaling_factor (type); |
835 | struct value *v = value_from_contents (type, valaddr + offset_aligned); | |
836 | v = value_cast (value_type (scale), v); | |
837 | v = value_binop (v, scale, BINOP_MUL); | |
838 | ||
839 | const char *fmt = TYPE_LENGTH (type) < 4 ? "%.11g" : "%.17g"; | |
840 | std::string str | |
841 | = target_float_to_string (value_contents (v), value_type (v), fmt); | |
842 | fputs_filtered (str.c_str (), stream); | |
8004dfd1 JB |
843 | return; |
844 | } | |
4e962e74 TT |
845 | else if (TYPE_CODE (type) == TYPE_CODE_RANGE |
846 | && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ENUM | |
847 | || TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_BOOL | |
848 | || TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_CHAR)) | |
8004dfd1 | 849 | { |
4e962e74 TT |
850 | /* For enum-valued ranges, we want to recurse, because we'll end |
851 | up printing the constant's name rather than its numeric | |
852 | value. Character and fixed-point types are also printed | |
853 | differently, so recuse for those as well. */ | |
8004dfd1 JB |
854 | struct type *target_type = TYPE_TARGET_TYPE (type); |
855 | ||
856 | if (TYPE_LENGTH (type) != TYPE_LENGTH (target_type)) | |
857 | { | |
858 | /* Obscure case of range type that has different length from | |
859 | its base type. Perform a conversion, or we will get a | |
860 | nonsense value. Actually, we could use the same | |
861 | code regardless of lengths; I'm just avoiding a cast. */ | |
862 | struct value *v1 | |
863 | = value_from_contents_and_address (type, valaddr + offset, 0); | |
864 | struct value *v = value_cast (target_type, v1); | |
865 | ||
e8b24d9f | 866 | val_print (target_type, |
8004dfd1 | 867 | value_embedded_offset (v), 0, stream, |
2228ef77 XR |
868 | recurse + 1, v, options, |
869 | language_def (language_ada)); | |
8004dfd1 JB |
870 | } |
871 | else | |
e8b24d9f | 872 | val_print (TYPE_TARGET_TYPE (type), offset, |
8004dfd1 | 873 | address, stream, recurse, original_value, |
2228ef77 | 874 | options, language_def (language_ada)); |
8004dfd1 JB |
875 | return; |
876 | } | |
877 | else | |
878 | { | |
879 | int format = (options->format ? options->format | |
880 | : options->output_format); | |
881 | ||
882 | if (format) | |
883 | { | |
884 | struct value_print_options opts = *options; | |
885 | ||
886 | opts.format = format; | |
e8b24d9f | 887 | val_print_scalar_formatted (type, offset_aligned, |
8004dfd1 JB |
888 | original_value, &opts, 0, stream); |
889 | } | |
890 | else if (ada_is_system_address_type (type)) | |
891 | { | |
892 | /* FIXME: We want to print System.Address variables using | |
893 | the same format as for any access type. But for some | |
894 | reason GNAT encodes the System.Address type as an int, | |
895 | so we have to work-around this deficiency by handling | |
896 | System.Address values as a special case. */ | |
897 | ||
898 | struct gdbarch *gdbarch = get_type_arch (type); | |
899 | struct type *ptr_type = builtin_type (gdbarch)->builtin_data_ptr; | |
900 | CORE_ADDR addr = extract_typed_address (valaddr + offset_aligned, | |
901 | ptr_type); | |
902 | ||
903 | fprintf_filtered (stream, "("); | |
904 | type_print (type, "", stream, -1); | |
905 | fprintf_filtered (stream, ") "); | |
906 | fputs_filtered (paddress (gdbarch, addr), stream); | |
907 | } | |
908 | else | |
909 | { | |
f12f6bad TT |
910 | val_print_scalar_formatted (type, offset_aligned, |
911 | original_value, options, 0, stream); | |
8004dfd1 JB |
912 | if (ada_is_character_type (type)) |
913 | { | |
914 | LONGEST c; | |
915 | ||
916 | fputs_filtered (" ", stream); | |
917 | c = unpack_long (type, valaddr + offset_aligned); | |
918 | ada_printchar (c, type, stream); | |
919 | } | |
920 | } | |
921 | return; | |
922 | } | |
923 | } | |
924 | ||
925 | /* Implement Ada val_print'ing for the case where TYPE is | |
926 | a TYPE_CODE_ENUM. */ | |
927 | ||
928 | static void | |
929 | ada_val_print_enum (struct type *type, const gdb_byte *valaddr, | |
930 | int offset, int offset_aligned, CORE_ADDR address, | |
931 | struct ui_file *stream, int recurse, | |
e8b24d9f | 932 | struct value *original_value, |
2228ef77 | 933 | const struct value_print_options *options) |
8004dfd1 JB |
934 | { |
935 | int i; | |
936 | unsigned int len; | |
937 | LONGEST val; | |
938 | ||
939 | if (options->format) | |
940 | { | |
e8b24d9f | 941 | val_print_scalar_formatted (type, offset_aligned, |
8004dfd1 JB |
942 | original_value, options, 0, stream); |
943 | return; | |
944 | } | |
945 | ||
946 | len = TYPE_NFIELDS (type); | |
947 | val = unpack_long (type, valaddr + offset_aligned); | |
948 | for (i = 0; i < len; i++) | |
949 | { | |
950 | QUIT; | |
951 | if (val == TYPE_FIELD_ENUMVAL (type, i)) | |
952 | break; | |
953 | } | |
954 | ||
955 | if (i < len) | |
956 | { | |
957 | const char *name = ada_enum_name (TYPE_FIELD_NAME (type, i)); | |
958 | ||
959 | if (name[0] == '\'') | |
3f0cbb04 TT |
960 | fprintf_filtered (stream, "%ld %ps", (long) val, |
961 | styled_string (variable_name_style.style (), | |
962 | name)); | |
8004dfd1 | 963 | else |
3f0cbb04 | 964 | fputs_styled (name, variable_name_style.style (), stream); |
8004dfd1 JB |
965 | } |
966 | else | |
967 | print_longest (stream, 'd', 0, val); | |
968 | } | |
969 | ||
970 | /* Implement Ada val_print'ing for the case where TYPE is | |
971 | a TYPE_CODE_FLT. */ | |
972 | ||
973 | static void | |
974 | ada_val_print_flt (struct type *type, const gdb_byte *valaddr, | |
975 | int offset, int offset_aligned, CORE_ADDR address, | |
976 | struct ui_file *stream, int recurse, | |
e8b24d9f | 977 | struct value *original_value, |
2228ef77 | 978 | const struct value_print_options *options) |
8004dfd1 JB |
979 | { |
980 | if (options->format) | |
981 | { | |
e8b24d9f | 982 | val_print (type, offset, address, stream, recurse, |
8004dfd1 JB |
983 | original_value, options, language_def (language_c)); |
984 | return; | |
985 | } | |
986 | ||
987 | ada_print_floating (valaddr + offset, type, stream); | |
988 | } | |
989 | ||
990 | /* Implement Ada val_print'ing for the case where TYPE is | |
991 | a TYPE_CODE_STRUCT or TYPE_CODE_UNION. */ | |
992 | ||
993 | static void | |
994 | ada_val_print_struct_union | |
995 | (struct type *type, const gdb_byte *valaddr, int offset, | |
996 | int offset_aligned, CORE_ADDR address, struct ui_file *stream, | |
e8b24d9f | 997 | int recurse, struct value *original_value, |
2228ef77 | 998 | const struct value_print_options *options) |
8004dfd1 JB |
999 | { |
1000 | if (ada_is_bogus_array_descriptor (type)) | |
1001 | { | |
1002 | fprintf_filtered (stream, "(...?)"); | |
1003 | return; | |
1004 | } | |
1005 | ||
079e4591 JB |
1006 | fprintf_filtered (stream, "("); |
1007 | ||
1008 | if (print_field_values (type, valaddr, offset_aligned, | |
1009 | stream, recurse, original_value, options, | |
2228ef77 XR |
1010 | 0, type, offset_aligned, |
1011 | language_def (language_ada)) != 0 | |
079e4591 JB |
1012 | && options->prettyformat) |
1013 | { | |
1014 | fprintf_filtered (stream, "\n"); | |
1015 | print_spaces_filtered (2 * recurse, stream); | |
1016 | } | |
1017 | ||
1018 | fprintf_filtered (stream, ")"); | |
8004dfd1 JB |
1019 | } |
1020 | ||
4eb27a30 JB |
1021 | /* Implement Ada val_print'ing for the case where TYPE is |
1022 | a TYPE_CODE_ARRAY. */ | |
1023 | ||
1024 | static void | |
1025 | ada_val_print_array (struct type *type, const gdb_byte *valaddr, | |
1026 | int offset, int offset_aligned, CORE_ADDR address, | |
1027 | struct ui_file *stream, int recurse, | |
e8b24d9f | 1028 | struct value *original_value, |
4eb27a30 JB |
1029 | const struct value_print_options *options) |
1030 | { | |
71855601 | 1031 | /* For an array of characters, print with string syntax. */ |
4eb27a30 JB |
1032 | if (ada_is_string_type (type) |
1033 | && (options->format == 0 || options->format == 's')) | |
1034 | { | |
71855601 JB |
1035 | ada_val_print_string (type, valaddr, offset, offset_aligned, |
1036 | address, stream, recurse, original_value, | |
1037 | options); | |
1038 | return; | |
4eb27a30 | 1039 | } |
71855601 JB |
1040 | |
1041 | fprintf_filtered (stream, "("); | |
1042 | print_optional_low_bound (stream, type, options); | |
1043 | if (TYPE_FIELD_BITSIZE (type, 0) > 0) | |
1044 | val_print_packed_array_elements (type, valaddr, offset_aligned, | |
1045 | 0, stream, recurse, | |
1046 | original_value, options); | |
4eb27a30 | 1047 | else |
e8b24d9f | 1048 | val_print_array_elements (type, offset_aligned, address, |
71855601 JB |
1049 | stream, recurse, original_value, |
1050 | options, 0); | |
1051 | fprintf_filtered (stream, ")"); | |
4eb27a30 JB |
1052 | } |
1053 | ||
8004dfd1 JB |
1054 | /* Implement Ada val_print'ing for the case where TYPE is |
1055 | a TYPE_CODE_REF. */ | |
1056 | ||
1057 | static void | |
1058 | ada_val_print_ref (struct type *type, const gdb_byte *valaddr, | |
1059 | int offset, int offset_aligned, CORE_ADDR address, | |
1060 | struct ui_file *stream, int recurse, | |
e8b24d9f | 1061 | struct value *original_value, |
2228ef77 | 1062 | const struct value_print_options *options) |
8004dfd1 JB |
1063 | { |
1064 | /* For references, the debugger is expected to print the value as | |
1065 | an address if DEREF_REF is null. But printing an address in place | |
1066 | of the object value would be confusing to an Ada programmer. | |
1067 | So, for Ada values, we print the actual dereferenced value | |
1068 | regardless. */ | |
1069 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
34b27950 JB |
1070 | struct value *deref_val; |
1071 | CORE_ADDR deref_val_int; | |
8004dfd1 | 1072 | |
34b27950 | 1073 | if (TYPE_CODE (elttype) == TYPE_CODE_UNDEF) |
8004dfd1 | 1074 | { |
7f6aba03 TT |
1075 | fputs_styled ("<ref to undefined type>", metadata_style.style (), |
1076 | stream); | |
34b27950 JB |
1077 | return; |
1078 | } | |
8004dfd1 | 1079 | |
34b27950 JB |
1080 | deref_val = coerce_ref_if_computed (original_value); |
1081 | if (deref_val) | |
1082 | { | |
1083 | if (ada_is_tagged_type (value_type (deref_val), 1)) | |
1084 | deref_val = ada_tag_value_at_base_address (deref_val); | |
8004dfd1 | 1085 | |
34b27950 | 1086 | common_val_print (deref_val, stream, recurse + 1, options, |
2228ef77 | 1087 | language_def (language_ada)); |
34b27950 JB |
1088 | return; |
1089 | } | |
8004dfd1 | 1090 | |
34b27950 JB |
1091 | deref_val_int = unpack_pointer (type, valaddr + offset_aligned); |
1092 | if (deref_val_int == 0) | |
1093 | { | |
1094 | fputs_filtered ("(null)", stream); | |
1095 | return; | |
8004dfd1 | 1096 | } |
34b27950 JB |
1097 | |
1098 | deref_val | |
1099 | = ada_value_ind (value_from_pointer (lookup_pointer_type (elttype), | |
1100 | deref_val_int)); | |
1101 | if (ada_is_tagged_type (value_type (deref_val), 1)) | |
1102 | deref_val = ada_tag_value_at_base_address (deref_val); | |
1103 | ||
c1b5a1a6 JB |
1104 | /* Make sure that the object does not have an unreasonable size |
1105 | before trying to print it. This can happen for instance with | |
1106 | references to dynamic objects whose contents is uninitialized | |
1107 | (Eg: an array whose bounds are not set yet). */ | |
1108 | ada_ensure_varsize_limit (value_type (deref_val)); | |
1109 | ||
7d45f3df YQ |
1110 | if (value_lazy (deref_val)) |
1111 | value_fetch_lazy (deref_val); | |
1112 | ||
34b27950 | 1113 | val_print (value_type (deref_val), |
34b27950 JB |
1114 | value_embedded_offset (deref_val), |
1115 | value_address (deref_val), stream, recurse + 1, | |
2228ef77 | 1116 | deref_val, options, language_def (language_ada)); |
8004dfd1 JB |
1117 | } |
1118 | ||
14f9c5c9 | 1119 | /* See the comment on ada_val_print. This function differs in that it |
e936309c | 1120 | does not catch evaluation errors (leaving that to ada_val_print). */ |
14f9c5c9 | 1121 | |
d3eab38a | 1122 | static void |
e8b24d9f | 1123 | ada_val_print_1 (struct type *type, |
490f124f | 1124 | int offset, CORE_ADDR address, |
79a45b7d | 1125 | struct ui_file *stream, int recurse, |
e8b24d9f | 1126 | struct value *original_value, |
2228ef77 | 1127 | const struct value_print_options *options) |
14f9c5c9 | 1128 | { |
490f124f | 1129 | int offset_aligned; |
e8b24d9f | 1130 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
14f9c5c9 | 1131 | |
61ee279c | 1132 | type = ada_check_typedef (type); |
14f9c5c9 | 1133 | |
ad82864c | 1134 | if (ada_is_array_descriptor_type (type) |
d2d43431 JB |
1135 | || (ada_is_constrained_packed_array_type (type) |
1136 | && TYPE_CODE (type) != TYPE_CODE_PTR)) | |
14f9c5c9 | 1137 | { |
8004dfd1 JB |
1138 | ada_val_print_gnat_array (type, valaddr, offset, address, |
1139 | stream, recurse, original_value, | |
2228ef77 | 1140 | options); |
d3eab38a | 1141 | return; |
14f9c5c9 AS |
1142 | } |
1143 | ||
490f124f PA |
1144 | offset_aligned = offset + ada_aligned_value_addr (type, valaddr) - valaddr; |
1145 | type = printable_val_type (type, valaddr + offset_aligned); | |
62c67f3c JB |
1146 | type = resolve_dynamic_type (type, valaddr + offset_aligned, |
1147 | address + offset_aligned); | |
14f9c5c9 AS |
1148 | |
1149 | switch (TYPE_CODE (type)) | |
1150 | { | |
1151 | default: | |
e8b24d9f | 1152 | val_print (type, offset, address, stream, recurse, |
cd1630f9 | 1153 | original_value, options, language_def (language_c)); |
d3eab38a | 1154 | break; |
14f9c5c9 | 1155 | |
4c4b4cd2 | 1156 | case TYPE_CODE_PTR: |
8004dfd1 JB |
1157 | ada_val_print_ptr (type, valaddr, offset, offset_aligned, |
1158 | address, stream, recurse, original_value, | |
2228ef77 | 1159 | options); |
8004dfd1 | 1160 | break; |
4c4b4cd2 | 1161 | |
14f9c5c9 AS |
1162 | case TYPE_CODE_INT: |
1163 | case TYPE_CODE_RANGE: | |
8004dfd1 JB |
1164 | ada_val_print_num (type, valaddr, offset, offset_aligned, |
1165 | address, stream, recurse, original_value, | |
2228ef77 | 1166 | options); |
8004dfd1 | 1167 | break; |
14f9c5c9 AS |
1168 | |
1169 | case TYPE_CODE_ENUM: | |
8004dfd1 JB |
1170 | ada_val_print_enum (type, valaddr, offset, offset_aligned, |
1171 | address, stream, recurse, original_value, | |
2228ef77 | 1172 | options); |
8004dfd1 | 1173 | break; |
d2e4a39e | 1174 | |
4c4b4cd2 | 1175 | case TYPE_CODE_FLT: |
8004dfd1 JB |
1176 | ada_val_print_flt (type, valaddr, offset, offset_aligned, |
1177 | address, stream, recurse, original_value, | |
2228ef77 | 1178 | options); |
4c4b4cd2 PH |
1179 | break; |
1180 | ||
14f9c5c9 AS |
1181 | case TYPE_CODE_UNION: |
1182 | case TYPE_CODE_STRUCT: | |
8004dfd1 JB |
1183 | ada_val_print_struct_union (type, valaddr, offset, offset_aligned, |
1184 | address, stream, recurse, | |
2228ef77 | 1185 | original_value, options); |
8004dfd1 | 1186 | break; |
14f9c5c9 AS |
1187 | |
1188 | case TYPE_CODE_ARRAY: | |
4eb27a30 | 1189 | ada_val_print_array (type, valaddr, offset, offset_aligned, |
d3eab38a TT |
1190 | address, stream, recurse, original_value, |
1191 | options); | |
1192 | return; | |
14f9c5c9 AS |
1193 | |
1194 | case TYPE_CODE_REF: | |
8004dfd1 JB |
1195 | ada_val_print_ref (type, valaddr, offset, offset_aligned, |
1196 | address, stream, recurse, original_value, | |
2228ef77 | 1197 | options); |
14f9c5c9 AS |
1198 | break; |
1199 | } | |
14f9c5c9 AS |
1200 | } |
1201 | ||
bdf779a0 JB |
1202 | /* See val_print for a description of the various parameters of this |
1203 | function; they are identical. */ | |
1204 | ||
1205 | void | |
e8b24d9f | 1206 | ada_val_print (struct type *type, |
bdf779a0 JB |
1207 | int embedded_offset, CORE_ADDR address, |
1208 | struct ui_file *stream, int recurse, | |
e8b24d9f | 1209 | struct value *val, |
bdf779a0 | 1210 | const struct value_print_options *options) |
14f9c5c9 | 1211 | { |
a70b8144 | 1212 | try |
bdf779a0 | 1213 | { |
e8b24d9f | 1214 | ada_val_print_1 (type, embedded_offset, address, |
2228ef77 | 1215 | stream, recurse, val, options); |
bdf779a0 | 1216 | } |
230d2906 | 1217 | catch (const gdb_exception_error &except) |
492d29ea | 1218 | { |
7f6aba03 TT |
1219 | fprintf_styled (stream, metadata_style.style (), |
1220 | _("<error reading variable: %s>"), | |
1221 | except.what ()); | |
492d29ea | 1222 | } |
14f9c5c9 AS |
1223 | } |
1224 | ||
8e069a98 | 1225 | void |
79a45b7d TT |
1226 | ada_value_print (struct value *val0, struct ui_file *stream, |
1227 | const struct value_print_options *options) | |
14f9c5c9 | 1228 | { |
0c3acc09 JB |
1229 | struct value *val = ada_to_fixed_value (val0); |
1230 | CORE_ADDR address = value_address (val); | |
cc330e39 | 1231 | struct type *type = ada_check_typedef (value_type (val)); |
79a45b7d | 1232 | struct value_print_options opts; |
14f9c5c9 | 1233 | |
4c4b4cd2 PH |
1234 | /* If it is a pointer, indicate what it points to. */ |
1235 | if (TYPE_CODE (type) == TYPE_CODE_PTR) | |
14f9c5c9 | 1236 | { |
4c4b4cd2 PH |
1237 | /* Hack: don't print (char *) for char strings. Their |
1238 | type is indicated by the quoted string anyway. */ | |
1239 | if (TYPE_LENGTH (TYPE_TARGET_TYPE (type)) != sizeof (char) | |
1240 | || TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_INT | |
1241 | || TYPE_UNSIGNED (TYPE_TARGET_TYPE (type))) | |
14f9c5c9 AS |
1242 | { |
1243 | fprintf_filtered (stream, "("); | |
1244 | type_print (type, "", stream, -1); | |
1245 | fprintf_filtered (stream, ") "); | |
1246 | } | |
1247 | } | |
4c4b4cd2 | 1248 | else if (ada_is_array_descriptor_type (type)) |
14f9c5c9 | 1249 | { |
720d1a40 JB |
1250 | /* We do not print the type description unless TYPE is an array |
1251 | access type (this is encoded by the compiler as a typedef to | |
1252 | a fat pointer - hence the check against TYPE_CODE_TYPEDEF). */ | |
1253 | if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF) | |
1254 | { | |
1255 | fprintf_filtered (stream, "("); | |
1256 | type_print (type, "", stream, -1); | |
1257 | fprintf_filtered (stream, ") "); | |
1258 | } | |
14f9c5c9 AS |
1259 | } |
1260 | else if (ada_is_bogus_array_descriptor (type)) | |
1261 | { | |
1262 | fprintf_filtered (stream, "("); | |
1263 | type_print (type, "", stream, -1); | |
1264 | fprintf_filtered (stream, ") (...?)"); | |
8e069a98 | 1265 | return; |
14f9c5c9 | 1266 | } |
4c4b4cd2 | 1267 | |
79a45b7d TT |
1268 | opts = *options; |
1269 | opts.deref_ref = 1; | |
e8b24d9f | 1270 | val_print (type, |
8e069a98 TT |
1271 | value_embedded_offset (val), address, |
1272 | stream, 0, val, &opts, current_language); | |
14f9c5c9 | 1273 | } |