Commit | Line | Data |
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4c4b4cd2 | 1 | /* Support for printing Ada values for GDB, the GNU debugger. |
d56612af | 2 | |
42a4f53d | 3 | Copyright (C) 1986-2019 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 "symtab.h" |
23 | #include "gdbtypes.h" | |
24 | #include "expression.h" | |
25 | #include "value.h" | |
26 | #include "demangle.h" | |
27 | #include "valprint.h" | |
28 | #include "language.h" | |
d55e5aa6 | 29 | #include "annotate.h" |
4de283e4 | 30 | #include "ada-lang.h" |
14f9c5c9 | 31 | #include "c-lang.h" |
04714b91 | 32 | #include "infcall.h" |
8ca1c40e | 33 | #include "objfiles.h" |
50eff16b | 34 | #include "target-float.h" |
14f9c5c9 | 35 | |
fc1a4b47 | 36 | static int print_field_values (struct type *, const gdb_byte *, |
490f124f | 37 | int, |
79a45b7d | 38 | struct ui_file *, int, |
e8b24d9f | 39 | struct value *, |
79a45b7d | 40 | const struct value_print_options *, |
8e355c5d JB |
41 | int, struct type *, int, |
42 | const struct language_defn *); | |
14f9c5c9 AS |
43 | \f |
44 | ||
4c4b4cd2 | 45 | /* Make TYPE unsigned if its range of values includes no negatives. */ |
d2e4a39e | 46 | static void |
4dc81987 | 47 | adjust_type_signedness (struct type *type) |
14f9c5c9 | 48 | { |
d2e4a39e | 49 | if (type != NULL && TYPE_CODE (type) == TYPE_CODE_RANGE |
14f9c5c9 | 50 | && TYPE_LOW_BOUND (type) >= 0) |
876cecd0 | 51 | TYPE_UNSIGNED (type) = 1; |
d2e4a39e | 52 | } |
14f9c5c9 | 53 | |
e936309c JB |
54 | /* Assuming TYPE is a simple array type, prints its lower bound on STREAM, |
55 | if non-standard (i.e., other than 1 for numbers, other than lower bound | |
56 | of index type for enumerated type). Returns 1 if something printed, | |
57 | otherwise 0. */ | |
14f9c5c9 | 58 | |
d2e4a39e | 59 | static int |
79a45b7d TT |
60 | print_optional_low_bound (struct ui_file *stream, struct type *type, |
61 | const struct value_print_options *options) | |
14f9c5c9 AS |
62 | { |
63 | struct type *index_type; | |
df178451 PM |
64 | LONGEST low_bound; |
65 | LONGEST high_bound; | |
14f9c5c9 | 66 | |
79a45b7d | 67 | if (options->print_array_indexes) |
14f9c5c9 | 68 | return 0; |
e79af960 | 69 | |
e936309c JB |
70 | if (!get_array_bounds (type, &low_bound, &high_bound)) |
71 | return 0; | |
72 | ||
73 | /* If this is an empty array, then don't print the lower bound. | |
74 | That would be confusing, because we would print the lower bound, | |
75 | followed by... nothing! */ | |
76 | if (low_bound > high_bound) | |
14f9c5c9 | 77 | return 0; |
d2e4a39e | 78 | |
e79af960 JB |
79 | index_type = TYPE_INDEX_TYPE (type); |
80 | ||
859cf5d1 | 81 | while (TYPE_CODE (index_type) == TYPE_CODE_RANGE) |
fd1b946e JB |
82 | { |
83 | /* We need to know what the base type is, in order to do the | |
84 | appropriate check below. Otherwise, if this is a subrange | |
85 | of an enumerated type, where the underlying value of the | |
86 | first element is typically 0, we might test the low bound | |
87 | against the wrong value. */ | |
88 | index_type = TYPE_TARGET_TYPE (index_type); | |
89 | } | |
90 | ||
e3861a03 | 91 | /* Don't print the lower bound if it's the default one. */ |
d2e4a39e AS |
92 | switch (TYPE_CODE (index_type)) |
93 | { | |
690cc4eb | 94 | case TYPE_CODE_BOOL: |
e3861a03 | 95 | case TYPE_CODE_CHAR: |
690cc4eb PH |
96 | if (low_bound == 0) |
97 | return 0; | |
98 | break; | |
d2e4a39e | 99 | case TYPE_CODE_ENUM: |
14e75d8e | 100 | if (low_bound == TYPE_FIELD_ENUMVAL (index_type, 0)) |
d2e4a39e AS |
101 | return 0; |
102 | break; | |
103 | case TYPE_CODE_UNDEF: | |
7c964f07 | 104 | index_type = NULL; |
d2e4a39e AS |
105 | /* FALL THROUGH */ |
106 | default: | |
107 | if (low_bound == 1) | |
108 | return 0; | |
109 | break; | |
110 | } | |
14f9c5c9 | 111 | |
df178451 | 112 | ada_print_scalar (index_type, low_bound, stream); |
14f9c5c9 AS |
113 | fprintf_filtered (stream, " => "); |
114 | return 1; | |
115 | } | |
116 | ||
117 | /* Version of val_print_array_elements for GNAT-style packed arrays. | |
118 | Prints elements of packed array of type TYPE at bit offset | |
79a45b7d | 119 | BITOFFSET from VALADDR on STREAM. Formats according to OPTIONS and |
4c4b4cd2 | 120 | separates with commas. RECURSE is the recursion (nesting) level. |
79a45b7d | 121 | TYPE must have been decoded (as by ada_coerce_to_simple_array). */ |
14f9c5c9 AS |
122 | |
123 | static void | |
fc1a4b47 | 124 | val_print_packed_array_elements (struct type *type, const gdb_byte *valaddr, |
490f124f | 125 | int offset, |
ebf56fd3 | 126 | int bitoffset, struct ui_file *stream, |
79a45b7d | 127 | int recurse, |
e8b24d9f | 128 | struct value *val, |
79a45b7d | 129 | const struct value_print_options *options) |
14f9c5c9 AS |
130 | { |
131 | unsigned int i; | |
132 | unsigned int things_printed = 0; | |
133 | unsigned len; | |
e79af960 | 134 | struct type *elttype, *index_type; |
14f9c5c9 | 135 | unsigned long bitsize = TYPE_FIELD_BITSIZE (type, 0); |
d2e4a39e | 136 | struct value *mark = value_mark (); |
e79af960 | 137 | LONGEST low = 0; |
d2e4a39e | 138 | |
14f9c5c9 | 139 | elttype = TYPE_TARGET_TYPE (type); |
e79af960 | 140 | index_type = TYPE_INDEX_TYPE (type); |
14f9c5c9 AS |
141 | |
142 | { | |
e79af960 | 143 | LONGEST high; |
04bafb1e | 144 | struct type *base_index_type; |
5b4ee69b | 145 | |
262452ec | 146 | if (get_discrete_bounds (index_type, &low, &high) < 0) |
14f9c5c9 AS |
147 | len = 1; |
148 | else | |
149 | len = high - low + 1; | |
04bafb1e XR |
150 | |
151 | if (TYPE_CODE (index_type) == TYPE_CODE_RANGE) | |
152 | base_index_type = TYPE_TARGET_TYPE (index_type); | |
153 | else | |
154 | base_index_type = index_type; | |
155 | ||
156 | if (TYPE_CODE (base_index_type) == TYPE_CODE_ENUM) | |
157 | { | |
158 | LONGEST low_pos, high_pos; | |
159 | ||
160 | /* Non-contiguous enumerations types can by used as index types | |
161 | so the array length is computed from the positions of the | |
162 | first and last literal in the enumeration type, and not from | |
163 | the values of these literals. */ | |
164 | ||
165 | if (!discrete_position (base_index_type, low, &low_pos) | |
166 | || !discrete_position (base_index_type, high, &high_pos)) | |
167 | { | |
168 | warning (_("unable to get positions in array, use bounds instead")); | |
169 | low_pos = low; | |
170 | high_pos = high; | |
171 | } | |
172 | ||
173 | /* The array length should normally be HIGH_POS - LOW_POS + 1. | |
174 | But in Ada we allow LOW_POS to be greater than HIGH_POS for | |
175 | empty arrays. In that situation, the array length is just zero, | |
176 | not negative! */ | |
177 | ||
178 | if (low_pos > high_pos) | |
179 | len = 0; | |
180 | else | |
181 | len = high_pos - low_pos + 1; | |
182 | } | |
14f9c5c9 AS |
183 | } |
184 | ||
185 | i = 0; | |
186 | annotate_array_section_begin (i, elttype); | |
187 | ||
79a45b7d | 188 | while (i < len && things_printed < options->print_max) |
14f9c5c9 AS |
189 | { |
190 | struct value *v0, *v1; | |
191 | int i0; | |
192 | ||
193 | if (i != 0) | |
194 | { | |
2a998fc0 | 195 | if (options->prettyformat_arrays) |
14f9c5c9 AS |
196 | { |
197 | fprintf_filtered (stream, ",\n"); | |
198 | print_spaces_filtered (2 + 2 * recurse, stream); | |
199 | } | |
200 | else | |
201 | { | |
202 | fprintf_filtered (stream, ", "); | |
203 | } | |
204 | } | |
205 | wrap_here (n_spaces (2 + 2 * recurse)); | |
79a45b7d | 206 | maybe_print_array_index (index_type, i + low, stream, options); |
14f9c5c9 AS |
207 | |
208 | i0 = i; | |
490f124f | 209 | v0 = ada_value_primitive_packed_val (NULL, valaddr + offset, |
14f9c5c9 AS |
210 | (i0 * bitsize) / HOST_CHAR_BIT, |
211 | (i0 * bitsize) % HOST_CHAR_BIT, | |
212 | bitsize, elttype); | |
213 | while (1) | |
214 | { | |
215 | i += 1; | |
216 | if (i >= len) | |
217 | break; | |
490f124f | 218 | v1 = ada_value_primitive_packed_val (NULL, valaddr + offset, |
14f9c5c9 AS |
219 | (i * bitsize) / HOST_CHAR_BIT, |
220 | (i * bitsize) % HOST_CHAR_BIT, | |
221 | bitsize, elttype); | |
2478d075 JB |
222 | if (TYPE_LENGTH (check_typedef (value_type (v0))) |
223 | != TYPE_LENGTH (check_typedef (value_type (v1)))) | |
224 | break; | |
9a0dc9e3 PA |
225 | if (!value_contents_eq (v0, value_embedded_offset (v0), |
226 | v1, value_embedded_offset (v1), | |
2478d075 | 227 | TYPE_LENGTH (check_typedef (value_type (v0))))) |
14f9c5c9 AS |
228 | break; |
229 | } | |
230 | ||
79a45b7d | 231 | if (i - i0 > options->repeat_count_threshold) |
14f9c5c9 | 232 | { |
79a45b7d | 233 | struct value_print_options opts = *options; |
5b4ee69b | 234 | |
79a45b7d | 235 | opts.deref_ref = 0; |
e8b24d9f | 236 | val_print (elttype, |
490f124f | 237 | value_embedded_offset (v0), 0, stream, |
a491d753 | 238 | recurse + 1, v0, &opts, current_language); |
14f9c5c9 | 239 | annotate_elt_rep (i - i0); |
edefbb7c | 240 | fprintf_filtered (stream, _(" <repeats %u times>"), i - i0); |
14f9c5c9 AS |
241 | annotate_elt_rep_end (); |
242 | ||
243 | } | |
244 | else | |
245 | { | |
246 | int j; | |
79a45b7d | 247 | struct value_print_options opts = *options; |
5b4ee69b | 248 | |
79a45b7d | 249 | opts.deref_ref = 0; |
14f9c5c9 AS |
250 | for (j = i0; j < i; j += 1) |
251 | { | |
d2e4a39e | 252 | if (j > i0) |
14f9c5c9 | 253 | { |
2a998fc0 | 254 | if (options->prettyformat_arrays) |
14f9c5c9 AS |
255 | { |
256 | fprintf_filtered (stream, ",\n"); | |
257 | print_spaces_filtered (2 + 2 * recurse, stream); | |
258 | } | |
259 | else | |
260 | { | |
261 | fprintf_filtered (stream, ", "); | |
262 | } | |
263 | wrap_here (n_spaces (2 + 2 * recurse)); | |
e79af960 | 264 | maybe_print_array_index (index_type, j + low, |
79a45b7d | 265 | stream, options); |
14f9c5c9 | 266 | } |
e8b24d9f | 267 | val_print (elttype, |
490f124f | 268 | value_embedded_offset (v0), 0, stream, |
a491d753 | 269 | recurse + 1, v0, &opts, current_language); |
14f9c5c9 AS |
270 | annotate_elt (); |
271 | } | |
272 | } | |
273 | things_printed += i - i0; | |
274 | } | |
275 | annotate_array_section_end (); | |
276 | if (i < len) | |
277 | { | |
278 | fprintf_filtered (stream, "..."); | |
279 | } | |
280 | ||
281 | value_free_to_mark (mark); | |
282 | } | |
283 | ||
d2e4a39e | 284 | static struct type * |
fc1a4b47 | 285 | printable_val_type (struct type *type, const gdb_byte *valaddr) |
14f9c5c9 | 286 | { |
1ed6ede0 | 287 | return ada_to_fixed_type (ada_aligned_type (type), valaddr, 0, NULL, 1); |
14f9c5c9 AS |
288 | } |
289 | ||
290 | /* Print the character C on STREAM as part of the contents of a literal | |
291 | string whose delimiter is QUOTER. TYPE_LEN is the length in bytes | |
4ffa5a33 | 292 | of the character. */ |
14f9c5c9 AS |
293 | |
294 | void | |
6c7a06a3 TT |
295 | ada_emit_char (int c, struct type *type, struct ui_file *stream, |
296 | int quoter, int type_len) | |
14f9c5c9 | 297 | { |
4ffa5a33 JB |
298 | /* If this character fits in the normal ASCII range, and is |
299 | a printable character, then print the character as if it was | |
300 | an ASCII character, even if this is a wide character. | |
301 | The UCHAR_MAX check is necessary because the isascii function | |
302 | requires that its argument have a value of an unsigned char, | |
303 | or EOF (EOF is obviously not printable). */ | |
304 | if (c <= UCHAR_MAX && isascii (c) && isprint (c)) | |
14f9c5c9 AS |
305 | { |
306 | if (c == quoter && c == '"') | |
529cad9c | 307 | fprintf_filtered (stream, "\"\""); |
14f9c5c9 AS |
308 | else |
309 | fprintf_filtered (stream, "%c", c); | |
310 | } | |
311 | else | |
d2e4a39e | 312 | fprintf_filtered (stream, "[\"%0*x\"]", type_len * 2, c); |
14f9c5c9 AS |
313 | } |
314 | ||
4ffa5a33 JB |
315 | /* Character #I of STRING, given that TYPE_LEN is the size in bytes |
316 | of a character. */ | |
14f9c5c9 AS |
317 | |
318 | static int | |
e17a4113 UW |
319 | char_at (const gdb_byte *string, int i, int type_len, |
320 | enum bfd_endian byte_order) | |
14f9c5c9 AS |
321 | { |
322 | if (type_len == 1) | |
323 | return string[i]; | |
d2e4a39e | 324 | else |
4ffa5a33 JB |
325 | return (int) extract_unsigned_integer (string + type_len * i, |
326 | type_len, byte_order); | |
14f9c5c9 AS |
327 | } |
328 | ||
4c4b4cd2 PH |
329 | /* Print a floating-point value of type TYPE, pointed to in GDB by |
330 | VALADDR, on STREAM. Use Ada formatting conventions: there must be | |
331 | a decimal point, and at least one digit before and after the | |
4fbf5aa5 JB |
332 | point. We use the GNAT format for NaNs and infinities. */ |
333 | ||
4c4b4cd2 | 334 | static void |
fc1a4b47 | 335 | ada_print_floating (const gdb_byte *valaddr, struct type *type, |
a2bd3dcd | 336 | struct ui_file *stream) |
4c4b4cd2 | 337 | { |
d7e74731 | 338 | string_file tmp_stream; |
4c4b4cd2 | 339 | |
d7e74731 | 340 | print_floating (valaddr, type, &tmp_stream); |
77e1c742 | 341 | |
d7e74731 | 342 | std::string &s = tmp_stream.string (); |
77e1c742 | 343 | size_t skip_count = 0; |
4c4b4cd2 PH |
344 | |
345 | /* Modify for Ada rules. */ | |
606b8d1a | 346 | |
77e1c742 PA |
347 | size_t pos = s.find ("inf"); |
348 | if (pos == std::string::npos) | |
349 | pos = s.find ("Inf"); | |
350 | if (pos == std::string::npos) | |
351 | pos = s.find ("INF"); | |
352 | if (pos != std::string::npos) | |
353 | s.replace (pos, 3, "Inf"); | |
c3e5cd34 | 354 | |
77e1c742 | 355 | if (pos == std::string::npos) |
4c4b4cd2 | 356 | { |
77e1c742 PA |
357 | pos = s.find ("nan"); |
358 | if (pos == std::string::npos) | |
359 | pos = s.find ("NaN"); | |
360 | if (pos == std::string::npos) | |
361 | pos = s.find ("Nan"); | |
362 | if (pos != std::string::npos) | |
c3e5cd34 | 363 | { |
77e1c742 PA |
364 | s[pos] = s[pos + 2] = 'N'; |
365 | if (s[0] == '-') | |
366 | skip_count = 1; | |
c3e5cd34 | 367 | } |
4c4b4cd2 | 368 | } |
c3e5cd34 | 369 | |
77e1c742 PA |
370 | if (pos == std::string::npos |
371 | && s.find ('.') == std::string::npos) | |
4c4b4cd2 | 372 | { |
77e1c742 PA |
373 | pos = s.find ('e'); |
374 | if (pos == std::string::npos) | |
375 | fprintf_filtered (stream, "%s.0", s.c_str ()); | |
4c4b4cd2 | 376 | else |
77e1c742 | 377 | fprintf_filtered (stream, "%.*s.0%s", (int) pos, s.c_str (), &s[pos]); |
4c4b4cd2 | 378 | } |
4fbf5aa5 | 379 | else |
77e1c742 | 380 | fprintf_filtered (stream, "%s", &s[skip_count]); |
4c4b4cd2 PH |
381 | } |
382 | ||
14f9c5c9 | 383 | void |
6c7a06a3 | 384 | ada_printchar (int c, struct type *type, struct ui_file *stream) |
14f9c5c9 AS |
385 | { |
386 | fputs_filtered ("'", stream); | |
447b483c | 387 | ada_emit_char (c, type, stream, '\'', TYPE_LENGTH (type)); |
14f9c5c9 AS |
388 | fputs_filtered ("'", stream); |
389 | } | |
390 | ||
391 | /* [From print_type_scalar in typeprint.c]. Print VAL on STREAM in a | |
7c964f07 UW |
392 | form appropriate for TYPE, if non-NULL. If TYPE is NULL, print VAL |
393 | like a default signed integer. */ | |
14f9c5c9 AS |
394 | |
395 | void | |
ebf56fd3 | 396 | ada_print_scalar (struct type *type, LONGEST val, struct ui_file *stream) |
14f9c5c9 AS |
397 | { |
398 | unsigned int i; | |
399 | unsigned len; | |
400 | ||
7c964f07 UW |
401 | if (!type) |
402 | { | |
403 | print_longest (stream, 'd', 0, val); | |
404 | return; | |
405 | } | |
406 | ||
61ee279c | 407 | type = ada_check_typedef (type); |
14f9c5c9 AS |
408 | |
409 | switch (TYPE_CODE (type)) | |
410 | { | |
411 | ||
412 | case TYPE_CODE_ENUM: | |
413 | len = TYPE_NFIELDS (type); | |
414 | for (i = 0; i < len; i++) | |
415 | { | |
14e75d8e | 416 | if (TYPE_FIELD_ENUMVAL (type, i) == val) |
14f9c5c9 AS |
417 | { |
418 | break; | |
419 | } | |
420 | } | |
421 | if (i < len) | |
422 | { | |
423 | fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type, i)), stream); | |
424 | } | |
425 | else | |
426 | { | |
427 | print_longest (stream, 'd', 0, val); | |
428 | } | |
429 | break; | |
430 | ||
431 | case TYPE_CODE_INT: | |
432 | print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, val); | |
433 | break; | |
434 | ||
435 | case TYPE_CODE_CHAR: | |
10d44370 | 436 | LA_PRINT_CHAR (val, type, stream); |
14f9c5c9 AS |
437 | break; |
438 | ||
439 | case TYPE_CODE_BOOL: | |
440 | fprintf_filtered (stream, val ? "true" : "false"); | |
441 | break; | |
442 | ||
443 | case TYPE_CODE_RANGE: | |
444 | ada_print_scalar (TYPE_TARGET_TYPE (type), val, stream); | |
445 | return; | |
446 | ||
447 | case TYPE_CODE_UNDEF: | |
448 | case TYPE_CODE_PTR: | |
449 | case TYPE_CODE_ARRAY: | |
450 | case TYPE_CODE_STRUCT: | |
451 | case TYPE_CODE_UNION: | |
452 | case TYPE_CODE_FUNC: | |
453 | case TYPE_CODE_FLT: | |
454 | case TYPE_CODE_VOID: | |
455 | case TYPE_CODE_SET: | |
456 | case TYPE_CODE_STRING: | |
457 | case TYPE_CODE_ERROR: | |
0d5de010 DJ |
458 | case TYPE_CODE_MEMBERPTR: |
459 | case TYPE_CODE_METHODPTR: | |
14f9c5c9 AS |
460 | case TYPE_CODE_METHOD: |
461 | case TYPE_CODE_REF: | |
edefbb7c | 462 | warning (_("internal error: unhandled type in ada_print_scalar")); |
14f9c5c9 AS |
463 | break; |
464 | ||
465 | default: | |
edefbb7c | 466 | error (_("Invalid type code in symbol table.")); |
14f9c5c9 | 467 | } |
14f9c5c9 AS |
468 | } |
469 | ||
470 | /* Print the character string STRING, printing at most LENGTH characters. | |
471 | Printing stops early if the number hits print_max; repeat counts | |
472 | are printed as appropriate. Print ellipses at the end if we | |
9a153e0b JB |
473 | had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. |
474 | TYPE_LEN is the length (1 or 2) of the character type. */ | |
14f9c5c9 AS |
475 | |
476 | static void | |
6c7a06a3 | 477 | printstr (struct ui_file *stream, struct type *elttype, const gdb_byte *string, |
79a45b7d TT |
478 | unsigned int length, int force_ellipses, int type_len, |
479 | const struct value_print_options *options) | |
14f9c5c9 | 480 | { |
e17a4113 | 481 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (elttype)); |
14f9c5c9 AS |
482 | unsigned int i; |
483 | unsigned int things_printed = 0; | |
484 | int in_quotes = 0; | |
485 | int need_comma = 0; | |
486 | ||
487 | if (length == 0) | |
488 | { | |
489 | fputs_filtered ("\"\"", stream); | |
490 | return; | |
491 | } | |
492 | ||
79a45b7d | 493 | for (i = 0; i < length && things_printed < options->print_max; i += 1) |
14f9c5c9 AS |
494 | { |
495 | /* Position of the character we are examining | |
d2e4a39e | 496 | to see whether it is repeated. */ |
14f9c5c9 AS |
497 | unsigned int rep1; |
498 | /* Number of repetitions we have detected so far. */ | |
499 | unsigned int reps; | |
500 | ||
501 | QUIT; | |
502 | ||
503 | if (need_comma) | |
504 | { | |
505 | fputs_filtered (", ", stream); | |
506 | need_comma = 0; | |
507 | } | |
508 | ||
509 | rep1 = i + 1; | |
510 | reps = 1; | |
c3e5cd34 | 511 | while (rep1 < length |
e17a4113 UW |
512 | && char_at (string, rep1, type_len, byte_order) |
513 | == char_at (string, i, type_len, byte_order)) | |
14f9c5c9 AS |
514 | { |
515 | rep1 += 1; | |
516 | reps += 1; | |
517 | } | |
518 | ||
79a45b7d | 519 | if (reps > options->repeat_count_threshold) |
14f9c5c9 AS |
520 | { |
521 | if (in_quotes) | |
522 | { | |
e93a8774 | 523 | fputs_filtered ("\", ", stream); |
14f9c5c9 AS |
524 | in_quotes = 0; |
525 | } | |
526 | fputs_filtered ("'", stream); | |
e17a4113 UW |
527 | ada_emit_char (char_at (string, i, type_len, byte_order), |
528 | elttype, stream, '\'', type_len); | |
14f9c5c9 | 529 | fputs_filtered ("'", stream); |
edefbb7c | 530 | fprintf_filtered (stream, _(" <repeats %u times>"), reps); |
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 | { | |
674 | fputs_filtered (_("<optimized out or zero length>"), stream); | |
675 | } | |
676 | else | |
677 | { | |
e8b24d9f | 678 | struct value *v; |
bdf779a0 JB |
679 | int bit_pos = TYPE_FIELD_BITPOS (type, i); |
680 | int bit_size = TYPE_FIELD_BITSIZE (type, i); | |
681 | struct value_print_options opts; | |
682 | ||
683 | adjust_type_signedness (TYPE_FIELD_TYPE (type, i)); | |
684 | v = ada_value_primitive_packed_val | |
685 | (NULL, valaddr, | |
686 | offset + bit_pos / HOST_CHAR_BIT, | |
687 | bit_pos % HOST_CHAR_BIT, | |
688 | bit_size, TYPE_FIELD_TYPE (type, i)); | |
689 | opts = *options; | |
690 | opts.deref_ref = 0; | |
691 | val_print (TYPE_FIELD_TYPE (type, i), | |
bdf779a0 JB |
692 | value_embedded_offset (v), 0, |
693 | stream, recurse + 1, v, | |
8e355c5d | 694 | &opts, language); |
bdf779a0 JB |
695 | } |
696 | } | |
697 | else | |
698 | { | |
699 | struct value_print_options opts = *options; | |
700 | ||
701 | opts.deref_ref = 0; | |
e8b24d9f | 702 | val_print (TYPE_FIELD_TYPE (type, i), |
8e355c5d JB |
703 | (offset + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT), |
704 | 0, stream, recurse + 1, val, &opts, language); | |
bdf779a0 JB |
705 | } |
706 | annotate_field_end (); | |
707 | } | |
708 | ||
709 | return comma_needed; | |
710 | } | |
711 | ||
71855601 JB |
712 | /* Implement Ada val_print'ing for the case where TYPE is |
713 | a TYPE_CODE_ARRAY of characters. */ | |
714 | ||
715 | static void | |
716 | ada_val_print_string (struct type *type, const gdb_byte *valaddr, | |
717 | int offset, int offset_aligned, CORE_ADDR address, | |
718 | struct ui_file *stream, int recurse, | |
e8b24d9f | 719 | struct value *original_value, |
71855601 JB |
720 | const struct value_print_options *options) |
721 | { | |
722 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); | |
723 | struct type *elttype = TYPE_TARGET_TYPE (type); | |
724 | unsigned int eltlen; | |
725 | unsigned int len; | |
726 | ||
727 | /* We know that ELTTYPE cannot possibly be null, because we assume | |
728 | that we're called only when TYPE is a string-like type. | |
729 | Similarly, the size of ELTTYPE should also be non-null, since | |
730 | it's a character-like type. */ | |
731 | gdb_assert (elttype != NULL); | |
732 | gdb_assert (TYPE_LENGTH (elttype) != 0); | |
733 | ||
734 | eltlen = TYPE_LENGTH (elttype); | |
735 | len = TYPE_LENGTH (type) / eltlen; | |
736 | ||
737 | if (options->prettyformat_arrays) | |
738 | print_spaces_filtered (2 + 2 * recurse, stream); | |
739 | ||
740 | /* If requested, look for the first null char and only print | |
741 | elements up to it. */ | |
742 | if (options->stop_print_at_null) | |
743 | { | |
744 | int temp_len; | |
745 | ||
746 | /* Look for a NULL char. */ | |
747 | for (temp_len = 0; | |
748 | (temp_len < len | |
749 | && temp_len < options->print_max | |
750 | && char_at (valaddr + offset_aligned, | |
751 | temp_len, eltlen, byte_order) != 0); | |
752 | temp_len += 1); | |
753 | len = temp_len; | |
754 | } | |
755 | ||
756 | printstr (stream, elttype, valaddr + offset_aligned, len, 0, | |
757 | eltlen, options); | |
758 | } | |
759 | ||
8004dfd1 JB |
760 | /* Implement Ada val_print-ing for GNAT arrays (Eg. fat pointers, |
761 | thin pointers, etc). */ | |
762 | ||
763 | static void | |
764 | ada_val_print_gnat_array (struct type *type, const gdb_byte *valaddr, | |
765 | int offset, CORE_ADDR address, | |
766 | struct ui_file *stream, int recurse, | |
e8b24d9f | 767 | struct value *original_value, |
2228ef77 | 768 | const struct value_print_options *options) |
8004dfd1 JB |
769 | { |
770 | struct value *mark = value_mark (); | |
771 | struct value *val; | |
772 | ||
773 | val = value_from_contents_and_address (type, valaddr + offset, address); | |
774 | /* If this is a reference, coerce it now. This helps taking care | |
775 | of the case where ADDRESS is meaningless because original_value | |
776 | was not an lval. */ | |
777 | val = coerce_ref (val); | |
778 | if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF) /* array access type. */ | |
779 | val = ada_coerce_to_simple_array_ptr (val); | |
780 | else | |
781 | val = ada_coerce_to_simple_array (val); | |
782 | if (val == NULL) | |
783 | { | |
784 | gdb_assert (TYPE_CODE (type) == TYPE_CODE_TYPEDEF); | |
785 | fprintf_filtered (stream, "0x0"); | |
786 | } | |
787 | else | |
e8b24d9f | 788 | val_print (value_type (val), |
8004dfd1 | 789 | value_embedded_offset (val), value_address (val), |
2228ef77 XR |
790 | stream, recurse, val, options, |
791 | language_def (language_ada)); | |
8004dfd1 JB |
792 | value_free_to_mark (mark); |
793 | } | |
794 | ||
795 | /* Implement Ada val_print'ing for the case where TYPE is | |
796 | a TYPE_CODE_PTR. */ | |
797 | ||
798 | static void | |
799 | ada_val_print_ptr (struct type *type, const gdb_byte *valaddr, | |
800 | int offset, int offset_aligned, CORE_ADDR address, | |
801 | struct ui_file *stream, int recurse, | |
e8b24d9f | 802 | struct value *original_value, |
2228ef77 | 803 | const struct value_print_options *options) |
8004dfd1 | 804 | { |
e8b24d9f | 805 | val_print (type, offset, address, stream, recurse, |
8004dfd1 JB |
806 | original_value, options, language_def (language_c)); |
807 | ||
808 | if (ada_is_tag_type (type)) | |
809 | { | |
810 | struct value *val = | |
811 | value_from_contents_and_address (type, | |
812 | valaddr + offset_aligned, | |
813 | address + offset_aligned); | |
814 | const char *name = ada_tag_name (val); | |
815 | ||
816 | if (name != NULL) | |
817 | fprintf_filtered (stream, " (%s)", name); | |
818 | } | |
819 | } | |
820 | ||
821 | /* Implement Ada val_print'ing for the case where TYPE is | |
822 | a TYPE_CODE_INT or TYPE_CODE_RANGE. */ | |
823 | ||
824 | static void | |
825 | ada_val_print_num (struct type *type, const gdb_byte *valaddr, | |
826 | int offset, int offset_aligned, CORE_ADDR address, | |
827 | struct ui_file *stream, int recurse, | |
e8b24d9f | 828 | struct value *original_value, |
2228ef77 | 829 | const struct value_print_options *options) |
8004dfd1 JB |
830 | { |
831 | if (ada_is_fixed_point_type (type)) | |
832 | { | |
50eff16b UW |
833 | struct value *scale = ada_scaling_factor (type); |
834 | struct value *v = value_from_contents (type, valaddr + offset_aligned); | |
835 | v = value_cast (value_type (scale), v); | |
836 | v = value_binop (v, scale, BINOP_MUL); | |
837 | ||
838 | const char *fmt = TYPE_LENGTH (type) < 4 ? "%.11g" : "%.17g"; | |
839 | std::string str | |
840 | = target_float_to_string (value_contents (v), value_type (v), fmt); | |
841 | fputs_filtered (str.c_str (), stream); | |
8004dfd1 JB |
842 | return; |
843 | } | |
844 | else if (TYPE_CODE (type) == TYPE_CODE_RANGE) | |
845 | { | |
846 | struct type *target_type = TYPE_TARGET_TYPE (type); | |
847 | ||
848 | if (TYPE_LENGTH (type) != TYPE_LENGTH (target_type)) | |
849 | { | |
850 | /* Obscure case of range type that has different length from | |
851 | its base type. Perform a conversion, or we will get a | |
852 | nonsense value. Actually, we could use the same | |
853 | code regardless of lengths; I'm just avoiding a cast. */ | |
854 | struct value *v1 | |
855 | = value_from_contents_and_address (type, valaddr + offset, 0); | |
856 | struct value *v = value_cast (target_type, v1); | |
857 | ||
e8b24d9f | 858 | val_print (target_type, |
8004dfd1 | 859 | value_embedded_offset (v), 0, stream, |
2228ef77 XR |
860 | recurse + 1, v, options, |
861 | language_def (language_ada)); | |
8004dfd1 JB |
862 | } |
863 | else | |
e8b24d9f | 864 | val_print (TYPE_TARGET_TYPE (type), offset, |
8004dfd1 | 865 | address, stream, recurse, original_value, |
2228ef77 | 866 | options, language_def (language_ada)); |
8004dfd1 JB |
867 | return; |
868 | } | |
869 | else | |
870 | { | |
871 | int format = (options->format ? options->format | |
872 | : options->output_format); | |
873 | ||
874 | if (format) | |
875 | { | |
876 | struct value_print_options opts = *options; | |
877 | ||
878 | opts.format = format; | |
e8b24d9f | 879 | val_print_scalar_formatted (type, offset_aligned, |
8004dfd1 JB |
880 | original_value, &opts, 0, stream); |
881 | } | |
882 | else if (ada_is_system_address_type (type)) | |
883 | { | |
884 | /* FIXME: We want to print System.Address variables using | |
885 | the same format as for any access type. But for some | |
886 | reason GNAT encodes the System.Address type as an int, | |
887 | so we have to work-around this deficiency by handling | |
888 | System.Address values as a special case. */ | |
889 | ||
890 | struct gdbarch *gdbarch = get_type_arch (type); | |
891 | struct type *ptr_type = builtin_type (gdbarch)->builtin_data_ptr; | |
892 | CORE_ADDR addr = extract_typed_address (valaddr + offset_aligned, | |
893 | ptr_type); | |
894 | ||
895 | fprintf_filtered (stream, "("); | |
896 | type_print (type, "", stream, -1); | |
897 | fprintf_filtered (stream, ") "); | |
898 | fputs_filtered (paddress (gdbarch, addr), stream); | |
899 | } | |
900 | else | |
901 | { | |
f12f6bad TT |
902 | val_print_scalar_formatted (type, offset_aligned, |
903 | original_value, options, 0, stream); | |
8004dfd1 JB |
904 | if (ada_is_character_type (type)) |
905 | { | |
906 | LONGEST c; | |
907 | ||
908 | fputs_filtered (" ", stream); | |
909 | c = unpack_long (type, valaddr + offset_aligned); | |
910 | ada_printchar (c, type, stream); | |
911 | } | |
912 | } | |
913 | return; | |
914 | } | |
915 | } | |
916 | ||
917 | /* Implement Ada val_print'ing for the case where TYPE is | |
918 | a TYPE_CODE_ENUM. */ | |
919 | ||
920 | static void | |
921 | ada_val_print_enum (struct type *type, const gdb_byte *valaddr, | |
922 | int offset, int offset_aligned, CORE_ADDR address, | |
923 | struct ui_file *stream, int recurse, | |
e8b24d9f | 924 | struct value *original_value, |
2228ef77 | 925 | const struct value_print_options *options) |
8004dfd1 JB |
926 | { |
927 | int i; | |
928 | unsigned int len; | |
929 | LONGEST val; | |
930 | ||
931 | if (options->format) | |
932 | { | |
e8b24d9f | 933 | val_print_scalar_formatted (type, offset_aligned, |
8004dfd1 JB |
934 | original_value, options, 0, stream); |
935 | return; | |
936 | } | |
937 | ||
938 | len = TYPE_NFIELDS (type); | |
939 | val = unpack_long (type, valaddr + offset_aligned); | |
940 | for (i = 0; i < len; i++) | |
941 | { | |
942 | QUIT; | |
943 | if (val == TYPE_FIELD_ENUMVAL (type, i)) | |
944 | break; | |
945 | } | |
946 | ||
947 | if (i < len) | |
948 | { | |
949 | const char *name = ada_enum_name (TYPE_FIELD_NAME (type, i)); | |
950 | ||
951 | if (name[0] == '\'') | |
952 | fprintf_filtered (stream, "%ld %s", (long) val, name); | |
953 | else | |
954 | fputs_filtered (name, stream); | |
955 | } | |
956 | else | |
957 | print_longest (stream, 'd', 0, val); | |
958 | } | |
959 | ||
960 | /* Implement Ada val_print'ing for the case where TYPE is | |
961 | a TYPE_CODE_FLT. */ | |
962 | ||
963 | static void | |
964 | ada_val_print_flt (struct type *type, const gdb_byte *valaddr, | |
965 | int offset, int offset_aligned, CORE_ADDR address, | |
966 | struct ui_file *stream, int recurse, | |
e8b24d9f | 967 | struct value *original_value, |
2228ef77 | 968 | const struct value_print_options *options) |
8004dfd1 JB |
969 | { |
970 | if (options->format) | |
971 | { | |
e8b24d9f | 972 | val_print (type, offset, address, stream, recurse, |
8004dfd1 JB |
973 | original_value, options, language_def (language_c)); |
974 | return; | |
975 | } | |
976 | ||
977 | ada_print_floating (valaddr + offset, type, stream); | |
978 | } | |
979 | ||
980 | /* Implement Ada val_print'ing for the case where TYPE is | |
981 | a TYPE_CODE_STRUCT or TYPE_CODE_UNION. */ | |
982 | ||
983 | static void | |
984 | ada_val_print_struct_union | |
985 | (struct type *type, const gdb_byte *valaddr, int offset, | |
986 | int offset_aligned, CORE_ADDR address, struct ui_file *stream, | |
e8b24d9f | 987 | int recurse, struct value *original_value, |
2228ef77 | 988 | const struct value_print_options *options) |
8004dfd1 JB |
989 | { |
990 | if (ada_is_bogus_array_descriptor (type)) | |
991 | { | |
992 | fprintf_filtered (stream, "(...?)"); | |
993 | return; | |
994 | } | |
995 | ||
079e4591 JB |
996 | fprintf_filtered (stream, "("); |
997 | ||
998 | if (print_field_values (type, valaddr, offset_aligned, | |
999 | stream, recurse, original_value, options, | |
2228ef77 XR |
1000 | 0, type, offset_aligned, |
1001 | language_def (language_ada)) != 0 | |
079e4591 JB |
1002 | && options->prettyformat) |
1003 | { | |
1004 | fprintf_filtered (stream, "\n"); | |
1005 | print_spaces_filtered (2 * recurse, stream); | |
1006 | } | |
1007 | ||
1008 | fprintf_filtered (stream, ")"); | |
8004dfd1 JB |
1009 | } |
1010 | ||
4eb27a30 JB |
1011 | /* Implement Ada val_print'ing for the case where TYPE is |
1012 | a TYPE_CODE_ARRAY. */ | |
1013 | ||
1014 | static void | |
1015 | ada_val_print_array (struct type *type, const gdb_byte *valaddr, | |
1016 | int offset, int offset_aligned, CORE_ADDR address, | |
1017 | struct ui_file *stream, int recurse, | |
e8b24d9f | 1018 | struct value *original_value, |
4eb27a30 JB |
1019 | const struct value_print_options *options) |
1020 | { | |
71855601 | 1021 | /* For an array of characters, print with string syntax. */ |
4eb27a30 JB |
1022 | if (ada_is_string_type (type) |
1023 | && (options->format == 0 || options->format == 's')) | |
1024 | { | |
71855601 JB |
1025 | ada_val_print_string (type, valaddr, offset, offset_aligned, |
1026 | address, stream, recurse, original_value, | |
1027 | options); | |
1028 | return; | |
4eb27a30 | 1029 | } |
71855601 JB |
1030 | |
1031 | fprintf_filtered (stream, "("); | |
1032 | print_optional_low_bound (stream, type, options); | |
1033 | if (TYPE_FIELD_BITSIZE (type, 0) > 0) | |
1034 | val_print_packed_array_elements (type, valaddr, offset_aligned, | |
1035 | 0, stream, recurse, | |
1036 | original_value, options); | |
4eb27a30 | 1037 | else |
e8b24d9f | 1038 | val_print_array_elements (type, offset_aligned, address, |
71855601 JB |
1039 | stream, recurse, original_value, |
1040 | options, 0); | |
1041 | fprintf_filtered (stream, ")"); | |
4eb27a30 JB |
1042 | } |
1043 | ||
8004dfd1 JB |
1044 | /* Implement Ada val_print'ing for the case where TYPE is |
1045 | a TYPE_CODE_REF. */ | |
1046 | ||
1047 | static void | |
1048 | ada_val_print_ref (struct type *type, const gdb_byte *valaddr, | |
1049 | int offset, int offset_aligned, CORE_ADDR address, | |
1050 | struct ui_file *stream, int recurse, | |
e8b24d9f | 1051 | struct value *original_value, |
2228ef77 | 1052 | const struct value_print_options *options) |
8004dfd1 JB |
1053 | { |
1054 | /* For references, the debugger is expected to print the value as | |
1055 | an address if DEREF_REF is null. But printing an address in place | |
1056 | of the object value would be confusing to an Ada programmer. | |
1057 | So, for Ada values, we print the actual dereferenced value | |
1058 | regardless. */ | |
1059 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
34b27950 JB |
1060 | struct value *deref_val; |
1061 | CORE_ADDR deref_val_int; | |
8004dfd1 | 1062 | |
34b27950 | 1063 | if (TYPE_CODE (elttype) == TYPE_CODE_UNDEF) |
8004dfd1 | 1064 | { |
34b27950 JB |
1065 | fputs_filtered ("<ref to undefined type>", stream); |
1066 | return; | |
1067 | } | |
8004dfd1 | 1068 | |
34b27950 JB |
1069 | deref_val = coerce_ref_if_computed (original_value); |
1070 | if (deref_val) | |
1071 | { | |
1072 | if (ada_is_tagged_type (value_type (deref_val), 1)) | |
1073 | deref_val = ada_tag_value_at_base_address (deref_val); | |
8004dfd1 | 1074 | |
34b27950 | 1075 | common_val_print (deref_val, stream, recurse + 1, options, |
2228ef77 | 1076 | language_def (language_ada)); |
34b27950 JB |
1077 | return; |
1078 | } | |
8004dfd1 | 1079 | |
34b27950 JB |
1080 | deref_val_int = unpack_pointer (type, valaddr + offset_aligned); |
1081 | if (deref_val_int == 0) | |
1082 | { | |
1083 | fputs_filtered ("(null)", stream); | |
1084 | return; | |
8004dfd1 | 1085 | } |
34b27950 JB |
1086 | |
1087 | deref_val | |
1088 | = ada_value_ind (value_from_pointer (lookup_pointer_type (elttype), | |
1089 | deref_val_int)); | |
1090 | if (ada_is_tagged_type (value_type (deref_val), 1)) | |
1091 | deref_val = ada_tag_value_at_base_address (deref_val); | |
1092 | ||
c1b5a1a6 JB |
1093 | /* Make sure that the object does not have an unreasonable size |
1094 | before trying to print it. This can happen for instance with | |
1095 | references to dynamic objects whose contents is uninitialized | |
1096 | (Eg: an array whose bounds are not set yet). */ | |
1097 | ada_ensure_varsize_limit (value_type (deref_val)); | |
1098 | ||
7d45f3df YQ |
1099 | if (value_lazy (deref_val)) |
1100 | value_fetch_lazy (deref_val); | |
1101 | ||
34b27950 | 1102 | val_print (value_type (deref_val), |
34b27950 JB |
1103 | value_embedded_offset (deref_val), |
1104 | value_address (deref_val), stream, recurse + 1, | |
2228ef77 | 1105 | deref_val, options, language_def (language_ada)); |
8004dfd1 JB |
1106 | } |
1107 | ||
14f9c5c9 | 1108 | /* See the comment on ada_val_print. This function differs in that it |
e936309c | 1109 | does not catch evaluation errors (leaving that to ada_val_print). */ |
14f9c5c9 | 1110 | |
d3eab38a | 1111 | static void |
e8b24d9f | 1112 | ada_val_print_1 (struct type *type, |
490f124f | 1113 | int offset, CORE_ADDR address, |
79a45b7d | 1114 | struct ui_file *stream, int recurse, |
e8b24d9f | 1115 | struct value *original_value, |
2228ef77 | 1116 | const struct value_print_options *options) |
14f9c5c9 | 1117 | { |
490f124f | 1118 | int offset_aligned; |
e8b24d9f | 1119 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
14f9c5c9 | 1120 | |
61ee279c | 1121 | type = ada_check_typedef (type); |
14f9c5c9 | 1122 | |
ad82864c | 1123 | if (ada_is_array_descriptor_type (type) |
d2d43431 JB |
1124 | || (ada_is_constrained_packed_array_type (type) |
1125 | && TYPE_CODE (type) != TYPE_CODE_PTR)) | |
14f9c5c9 | 1126 | { |
8004dfd1 JB |
1127 | ada_val_print_gnat_array (type, valaddr, offset, address, |
1128 | stream, recurse, original_value, | |
2228ef77 | 1129 | options); |
d3eab38a | 1130 | return; |
14f9c5c9 AS |
1131 | } |
1132 | ||
490f124f PA |
1133 | offset_aligned = offset + ada_aligned_value_addr (type, valaddr) - valaddr; |
1134 | type = printable_val_type (type, valaddr + offset_aligned); | |
62c67f3c JB |
1135 | type = resolve_dynamic_type (type, valaddr + offset_aligned, |
1136 | address + offset_aligned); | |
14f9c5c9 AS |
1137 | |
1138 | switch (TYPE_CODE (type)) | |
1139 | { | |
1140 | default: | |
e8b24d9f | 1141 | val_print (type, offset, address, stream, recurse, |
cd1630f9 | 1142 | original_value, options, language_def (language_c)); |
d3eab38a | 1143 | break; |
14f9c5c9 | 1144 | |
4c4b4cd2 | 1145 | case TYPE_CODE_PTR: |
8004dfd1 JB |
1146 | ada_val_print_ptr (type, valaddr, offset, offset_aligned, |
1147 | address, stream, recurse, original_value, | |
2228ef77 | 1148 | options); |
8004dfd1 | 1149 | break; |
4c4b4cd2 | 1150 | |
14f9c5c9 AS |
1151 | case TYPE_CODE_INT: |
1152 | case TYPE_CODE_RANGE: | |
8004dfd1 JB |
1153 | ada_val_print_num (type, valaddr, offset, offset_aligned, |
1154 | address, stream, recurse, original_value, | |
2228ef77 | 1155 | options); |
8004dfd1 | 1156 | break; |
14f9c5c9 AS |
1157 | |
1158 | case TYPE_CODE_ENUM: | |
8004dfd1 JB |
1159 | ada_val_print_enum (type, valaddr, offset, offset_aligned, |
1160 | address, stream, recurse, original_value, | |
2228ef77 | 1161 | options); |
8004dfd1 | 1162 | break; |
d2e4a39e | 1163 | |
4c4b4cd2 | 1164 | case TYPE_CODE_FLT: |
8004dfd1 JB |
1165 | ada_val_print_flt (type, valaddr, offset, offset_aligned, |
1166 | address, stream, recurse, original_value, | |
2228ef77 | 1167 | options); |
4c4b4cd2 PH |
1168 | break; |
1169 | ||
14f9c5c9 AS |
1170 | case TYPE_CODE_UNION: |
1171 | case TYPE_CODE_STRUCT: | |
8004dfd1 JB |
1172 | ada_val_print_struct_union (type, valaddr, offset, offset_aligned, |
1173 | address, stream, recurse, | |
2228ef77 | 1174 | original_value, options); |
8004dfd1 | 1175 | break; |
14f9c5c9 AS |
1176 | |
1177 | case TYPE_CODE_ARRAY: | |
4eb27a30 | 1178 | ada_val_print_array (type, valaddr, offset, offset_aligned, |
d3eab38a TT |
1179 | address, stream, recurse, original_value, |
1180 | options); | |
1181 | return; | |
14f9c5c9 AS |
1182 | |
1183 | case TYPE_CODE_REF: | |
8004dfd1 JB |
1184 | ada_val_print_ref (type, valaddr, offset, offset_aligned, |
1185 | address, stream, recurse, original_value, | |
2228ef77 | 1186 | options); |
14f9c5c9 AS |
1187 | break; |
1188 | } | |
14f9c5c9 AS |
1189 | } |
1190 | ||
bdf779a0 JB |
1191 | /* See val_print for a description of the various parameters of this |
1192 | function; they are identical. */ | |
1193 | ||
1194 | void | |
e8b24d9f | 1195 | ada_val_print (struct type *type, |
bdf779a0 JB |
1196 | int embedded_offset, CORE_ADDR address, |
1197 | struct ui_file *stream, int recurse, | |
e8b24d9f | 1198 | struct value *val, |
bdf779a0 | 1199 | const struct value_print_options *options) |
14f9c5c9 | 1200 | { |
a70b8144 | 1201 | try |
bdf779a0 | 1202 | { |
e8b24d9f | 1203 | ada_val_print_1 (type, embedded_offset, address, |
2228ef77 | 1204 | stream, recurse, val, options); |
bdf779a0 | 1205 | } |
230d2906 | 1206 | catch (const gdb_exception_error &except) |
492d29ea | 1207 | { |
eccab96d | 1208 | fprintf_filtered (stream, _("<error reading variable: %s>"), |
3d6e9d23 | 1209 | except.what ()); |
492d29ea | 1210 | } |
14f9c5c9 AS |
1211 | } |
1212 | ||
8e069a98 | 1213 | void |
79a45b7d TT |
1214 | ada_value_print (struct value *val0, struct ui_file *stream, |
1215 | const struct value_print_options *options) | |
14f9c5c9 | 1216 | { |
0c3acc09 JB |
1217 | struct value *val = ada_to_fixed_value (val0); |
1218 | CORE_ADDR address = value_address (val); | |
cc330e39 | 1219 | struct type *type = ada_check_typedef (value_type (val)); |
79a45b7d | 1220 | struct value_print_options opts; |
14f9c5c9 | 1221 | |
4c4b4cd2 PH |
1222 | /* If it is a pointer, indicate what it points to. */ |
1223 | if (TYPE_CODE (type) == TYPE_CODE_PTR) | |
14f9c5c9 | 1224 | { |
4c4b4cd2 PH |
1225 | /* Hack: don't print (char *) for char strings. Their |
1226 | type is indicated by the quoted string anyway. */ | |
1227 | if (TYPE_LENGTH (TYPE_TARGET_TYPE (type)) != sizeof (char) | |
1228 | || TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_INT | |
1229 | || TYPE_UNSIGNED (TYPE_TARGET_TYPE (type))) | |
14f9c5c9 AS |
1230 | { |
1231 | fprintf_filtered (stream, "("); | |
1232 | type_print (type, "", stream, -1); | |
1233 | fprintf_filtered (stream, ") "); | |
1234 | } | |
1235 | } | |
4c4b4cd2 | 1236 | else if (ada_is_array_descriptor_type (type)) |
14f9c5c9 | 1237 | { |
720d1a40 JB |
1238 | /* We do not print the type description unless TYPE is an array |
1239 | access type (this is encoded by the compiler as a typedef to | |
1240 | a fat pointer - hence the check against TYPE_CODE_TYPEDEF). */ | |
1241 | if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF) | |
1242 | { | |
1243 | fprintf_filtered (stream, "("); | |
1244 | type_print (type, "", stream, -1); | |
1245 | fprintf_filtered (stream, ") "); | |
1246 | } | |
14f9c5c9 AS |
1247 | } |
1248 | else if (ada_is_bogus_array_descriptor (type)) | |
1249 | { | |
1250 | fprintf_filtered (stream, "("); | |
1251 | type_print (type, "", stream, -1); | |
1252 | fprintf_filtered (stream, ") (...?)"); | |
8e069a98 | 1253 | return; |
14f9c5c9 | 1254 | } |
4c4b4cd2 | 1255 | |
79a45b7d TT |
1256 | opts = *options; |
1257 | opts.deref_ref = 1; | |
e8b24d9f | 1258 | val_print (type, |
8e069a98 TT |
1259 | value_embedded_offset (val), address, |
1260 | stream, 0, val, &opts, current_language); | |
14f9c5c9 | 1261 | } |