Commit | Line | Data |
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4c4b4cd2 | 1 | /* Support for printing Ada values for GDB, the GNU debugger. |
d56612af | 2 | |
e2882c85 | 3 | Copyright (C) 1986-2018 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> |
14f9c5c9 AS |
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" | |
29 | #include "annotate.h" | |
30 | #include "ada-lang.h" | |
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 | ||
d2e4a39e AS |
91 | switch (TYPE_CODE (index_type)) |
92 | { | |
690cc4eb PH |
93 | case TYPE_CODE_BOOL: |
94 | if (low_bound == 0) | |
95 | return 0; | |
96 | break; | |
d2e4a39e | 97 | case TYPE_CODE_ENUM: |
14e75d8e | 98 | if (low_bound == TYPE_FIELD_ENUMVAL (index_type, 0)) |
d2e4a39e AS |
99 | return 0; |
100 | break; | |
101 | case TYPE_CODE_UNDEF: | |
7c964f07 | 102 | index_type = NULL; |
d2e4a39e AS |
103 | /* FALL THROUGH */ |
104 | default: | |
105 | if (low_bound == 1) | |
106 | return 0; | |
107 | break; | |
108 | } | |
14f9c5c9 | 109 | |
df178451 | 110 | ada_print_scalar (index_type, low_bound, stream); |
14f9c5c9 AS |
111 | fprintf_filtered (stream, " => "); |
112 | return 1; | |
113 | } | |
114 | ||
115 | /* Version of val_print_array_elements for GNAT-style packed arrays. | |
116 | Prints elements of packed array of type TYPE at bit offset | |
79a45b7d | 117 | BITOFFSET from VALADDR on STREAM. Formats according to OPTIONS and |
4c4b4cd2 | 118 | separates with commas. RECURSE is the recursion (nesting) level. |
79a45b7d | 119 | TYPE must have been decoded (as by ada_coerce_to_simple_array). */ |
14f9c5c9 AS |
120 | |
121 | static void | |
fc1a4b47 | 122 | val_print_packed_array_elements (struct type *type, const gdb_byte *valaddr, |
490f124f | 123 | int offset, |
ebf56fd3 | 124 | int bitoffset, struct ui_file *stream, |
79a45b7d | 125 | int recurse, |
e8b24d9f | 126 | struct value *val, |
79a45b7d | 127 | const struct value_print_options *options) |
14f9c5c9 AS |
128 | { |
129 | unsigned int i; | |
130 | unsigned int things_printed = 0; | |
131 | unsigned len; | |
e79af960 | 132 | struct type *elttype, *index_type; |
14f9c5c9 | 133 | unsigned long bitsize = TYPE_FIELD_BITSIZE (type, 0); |
d2e4a39e | 134 | struct value *mark = value_mark (); |
e79af960 | 135 | LONGEST low = 0; |
d2e4a39e | 136 | |
14f9c5c9 | 137 | elttype = TYPE_TARGET_TYPE (type); |
e79af960 | 138 | index_type = TYPE_INDEX_TYPE (type); |
14f9c5c9 AS |
139 | |
140 | { | |
e79af960 | 141 | LONGEST high; |
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; | |
147 | } | |
148 | ||
149 | i = 0; | |
150 | annotate_array_section_begin (i, elttype); | |
151 | ||
79a45b7d | 152 | while (i < len && things_printed < options->print_max) |
14f9c5c9 AS |
153 | { |
154 | struct value *v0, *v1; | |
155 | int i0; | |
156 | ||
157 | if (i != 0) | |
158 | { | |
2a998fc0 | 159 | if (options->prettyformat_arrays) |
14f9c5c9 AS |
160 | { |
161 | fprintf_filtered (stream, ",\n"); | |
162 | print_spaces_filtered (2 + 2 * recurse, stream); | |
163 | } | |
164 | else | |
165 | { | |
166 | fprintf_filtered (stream, ", "); | |
167 | } | |
168 | } | |
169 | wrap_here (n_spaces (2 + 2 * recurse)); | |
79a45b7d | 170 | maybe_print_array_index (index_type, i + low, stream, options); |
14f9c5c9 AS |
171 | |
172 | i0 = i; | |
490f124f | 173 | v0 = ada_value_primitive_packed_val (NULL, valaddr + offset, |
14f9c5c9 AS |
174 | (i0 * bitsize) / HOST_CHAR_BIT, |
175 | (i0 * bitsize) % HOST_CHAR_BIT, | |
176 | bitsize, elttype); | |
177 | while (1) | |
178 | { | |
179 | i += 1; | |
180 | if (i >= len) | |
181 | break; | |
490f124f | 182 | v1 = ada_value_primitive_packed_val (NULL, valaddr + offset, |
14f9c5c9 AS |
183 | (i * bitsize) / HOST_CHAR_BIT, |
184 | (i * bitsize) % HOST_CHAR_BIT, | |
185 | bitsize, elttype); | |
2478d075 JB |
186 | if (TYPE_LENGTH (check_typedef (value_type (v0))) |
187 | != TYPE_LENGTH (check_typedef (value_type (v1)))) | |
188 | break; | |
9a0dc9e3 PA |
189 | if (!value_contents_eq (v0, value_embedded_offset (v0), |
190 | v1, value_embedded_offset (v1), | |
2478d075 | 191 | TYPE_LENGTH (check_typedef (value_type (v0))))) |
14f9c5c9 AS |
192 | break; |
193 | } | |
194 | ||
79a45b7d | 195 | if (i - i0 > options->repeat_count_threshold) |
14f9c5c9 | 196 | { |
79a45b7d | 197 | struct value_print_options opts = *options; |
5b4ee69b | 198 | |
79a45b7d | 199 | opts.deref_ref = 0; |
e8b24d9f | 200 | val_print (elttype, |
490f124f | 201 | value_embedded_offset (v0), 0, stream, |
a491d753 | 202 | recurse + 1, v0, &opts, current_language); |
14f9c5c9 | 203 | annotate_elt_rep (i - i0); |
edefbb7c | 204 | fprintf_filtered (stream, _(" <repeats %u times>"), i - i0); |
14f9c5c9 AS |
205 | annotate_elt_rep_end (); |
206 | ||
207 | } | |
208 | else | |
209 | { | |
210 | int j; | |
79a45b7d | 211 | struct value_print_options opts = *options; |
5b4ee69b | 212 | |
79a45b7d | 213 | opts.deref_ref = 0; |
14f9c5c9 AS |
214 | for (j = i0; j < i; j += 1) |
215 | { | |
d2e4a39e | 216 | if (j > i0) |
14f9c5c9 | 217 | { |
2a998fc0 | 218 | if (options->prettyformat_arrays) |
14f9c5c9 AS |
219 | { |
220 | fprintf_filtered (stream, ",\n"); | |
221 | print_spaces_filtered (2 + 2 * recurse, stream); | |
222 | } | |
223 | else | |
224 | { | |
225 | fprintf_filtered (stream, ", "); | |
226 | } | |
227 | wrap_here (n_spaces (2 + 2 * recurse)); | |
e79af960 | 228 | maybe_print_array_index (index_type, j + low, |
79a45b7d | 229 | stream, options); |
14f9c5c9 | 230 | } |
e8b24d9f | 231 | val_print (elttype, |
490f124f | 232 | value_embedded_offset (v0), 0, stream, |
a491d753 | 233 | recurse + 1, v0, &opts, current_language); |
14f9c5c9 AS |
234 | annotate_elt (); |
235 | } | |
236 | } | |
237 | things_printed += i - i0; | |
238 | } | |
239 | annotate_array_section_end (); | |
240 | if (i < len) | |
241 | { | |
242 | fprintf_filtered (stream, "..."); | |
243 | } | |
244 | ||
245 | value_free_to_mark (mark); | |
246 | } | |
247 | ||
d2e4a39e | 248 | static struct type * |
fc1a4b47 | 249 | printable_val_type (struct type *type, const gdb_byte *valaddr) |
14f9c5c9 | 250 | { |
1ed6ede0 | 251 | return ada_to_fixed_type (ada_aligned_type (type), valaddr, 0, NULL, 1); |
14f9c5c9 AS |
252 | } |
253 | ||
254 | /* Print the character C on STREAM as part of the contents of a literal | |
255 | string whose delimiter is QUOTER. TYPE_LEN is the length in bytes | |
4ffa5a33 | 256 | of the character. */ |
14f9c5c9 AS |
257 | |
258 | void | |
6c7a06a3 TT |
259 | ada_emit_char (int c, struct type *type, struct ui_file *stream, |
260 | int quoter, int type_len) | |
14f9c5c9 | 261 | { |
4ffa5a33 JB |
262 | /* If this character fits in the normal ASCII range, and is |
263 | a printable character, then print the character as if it was | |
264 | an ASCII character, even if this is a wide character. | |
265 | The UCHAR_MAX check is necessary because the isascii function | |
266 | requires that its argument have a value of an unsigned char, | |
267 | or EOF (EOF is obviously not printable). */ | |
268 | if (c <= UCHAR_MAX && isascii (c) && isprint (c)) | |
14f9c5c9 AS |
269 | { |
270 | if (c == quoter && c == '"') | |
529cad9c | 271 | fprintf_filtered (stream, "\"\""); |
14f9c5c9 AS |
272 | else |
273 | fprintf_filtered (stream, "%c", c); | |
274 | } | |
275 | else | |
d2e4a39e | 276 | fprintf_filtered (stream, "[\"%0*x\"]", type_len * 2, c); |
14f9c5c9 AS |
277 | } |
278 | ||
4ffa5a33 JB |
279 | /* Character #I of STRING, given that TYPE_LEN is the size in bytes |
280 | of a character. */ | |
14f9c5c9 AS |
281 | |
282 | static int | |
e17a4113 UW |
283 | char_at (const gdb_byte *string, int i, int type_len, |
284 | enum bfd_endian byte_order) | |
14f9c5c9 AS |
285 | { |
286 | if (type_len == 1) | |
287 | return string[i]; | |
d2e4a39e | 288 | else |
4ffa5a33 JB |
289 | return (int) extract_unsigned_integer (string + type_len * i, |
290 | type_len, byte_order); | |
14f9c5c9 AS |
291 | } |
292 | ||
4c4b4cd2 PH |
293 | /* Print a floating-point value of type TYPE, pointed to in GDB by |
294 | VALADDR, on STREAM. Use Ada formatting conventions: there must be | |
295 | a decimal point, and at least one digit before and after the | |
4fbf5aa5 JB |
296 | point. We use the GNAT format for NaNs and infinities. */ |
297 | ||
4c4b4cd2 | 298 | static void |
fc1a4b47 | 299 | ada_print_floating (const gdb_byte *valaddr, struct type *type, |
a2bd3dcd | 300 | struct ui_file *stream) |
4c4b4cd2 | 301 | { |
d7e74731 | 302 | string_file tmp_stream; |
4c4b4cd2 | 303 | |
d7e74731 | 304 | print_floating (valaddr, type, &tmp_stream); |
77e1c742 | 305 | |
d7e74731 | 306 | std::string &s = tmp_stream.string (); |
77e1c742 | 307 | size_t skip_count = 0; |
4c4b4cd2 PH |
308 | |
309 | /* Modify for Ada rules. */ | |
606b8d1a | 310 | |
77e1c742 PA |
311 | size_t pos = s.find ("inf"); |
312 | if (pos == std::string::npos) | |
313 | pos = s.find ("Inf"); | |
314 | if (pos == std::string::npos) | |
315 | pos = s.find ("INF"); | |
316 | if (pos != std::string::npos) | |
317 | s.replace (pos, 3, "Inf"); | |
c3e5cd34 | 318 | |
77e1c742 | 319 | if (pos == std::string::npos) |
4c4b4cd2 | 320 | { |
77e1c742 PA |
321 | pos = s.find ("nan"); |
322 | if (pos == std::string::npos) | |
323 | pos = s.find ("NaN"); | |
324 | if (pos == std::string::npos) | |
325 | pos = s.find ("Nan"); | |
326 | if (pos != std::string::npos) | |
c3e5cd34 | 327 | { |
77e1c742 PA |
328 | s[pos] = s[pos + 2] = 'N'; |
329 | if (s[0] == '-') | |
330 | skip_count = 1; | |
c3e5cd34 | 331 | } |
4c4b4cd2 | 332 | } |
c3e5cd34 | 333 | |
77e1c742 PA |
334 | if (pos == std::string::npos |
335 | && s.find ('.') == std::string::npos) | |
4c4b4cd2 | 336 | { |
77e1c742 PA |
337 | pos = s.find ('e'); |
338 | if (pos == std::string::npos) | |
339 | fprintf_filtered (stream, "%s.0", s.c_str ()); | |
4c4b4cd2 | 340 | else |
77e1c742 | 341 | fprintf_filtered (stream, "%.*s.0%s", (int) pos, s.c_str (), &s[pos]); |
4c4b4cd2 | 342 | } |
4fbf5aa5 | 343 | else |
77e1c742 | 344 | fprintf_filtered (stream, "%s", &s[skip_count]); |
4c4b4cd2 PH |
345 | } |
346 | ||
14f9c5c9 | 347 | void |
6c7a06a3 | 348 | ada_printchar (int c, struct type *type, struct ui_file *stream) |
14f9c5c9 AS |
349 | { |
350 | fputs_filtered ("'", stream); | |
447b483c | 351 | ada_emit_char (c, type, stream, '\'', TYPE_LENGTH (type)); |
14f9c5c9 AS |
352 | fputs_filtered ("'", stream); |
353 | } | |
354 | ||
355 | /* [From print_type_scalar in typeprint.c]. Print VAL on STREAM in a | |
7c964f07 UW |
356 | form appropriate for TYPE, if non-NULL. If TYPE is NULL, print VAL |
357 | like a default signed integer. */ | |
14f9c5c9 AS |
358 | |
359 | void | |
ebf56fd3 | 360 | ada_print_scalar (struct type *type, LONGEST val, struct ui_file *stream) |
14f9c5c9 AS |
361 | { |
362 | unsigned int i; | |
363 | unsigned len; | |
364 | ||
7c964f07 UW |
365 | if (!type) |
366 | { | |
367 | print_longest (stream, 'd', 0, val); | |
368 | return; | |
369 | } | |
370 | ||
61ee279c | 371 | type = ada_check_typedef (type); |
14f9c5c9 AS |
372 | |
373 | switch (TYPE_CODE (type)) | |
374 | { | |
375 | ||
376 | case TYPE_CODE_ENUM: | |
377 | len = TYPE_NFIELDS (type); | |
378 | for (i = 0; i < len; i++) | |
379 | { | |
14e75d8e | 380 | if (TYPE_FIELD_ENUMVAL (type, i) == val) |
14f9c5c9 AS |
381 | { |
382 | break; | |
383 | } | |
384 | } | |
385 | if (i < len) | |
386 | { | |
387 | fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type, i)), stream); | |
388 | } | |
389 | else | |
390 | { | |
391 | print_longest (stream, 'd', 0, val); | |
392 | } | |
393 | break; | |
394 | ||
395 | case TYPE_CODE_INT: | |
396 | print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, val); | |
397 | break; | |
398 | ||
399 | case TYPE_CODE_CHAR: | |
10d44370 | 400 | LA_PRINT_CHAR (val, type, stream); |
14f9c5c9 AS |
401 | break; |
402 | ||
403 | case TYPE_CODE_BOOL: | |
404 | fprintf_filtered (stream, val ? "true" : "false"); | |
405 | break; | |
406 | ||
407 | case TYPE_CODE_RANGE: | |
408 | ada_print_scalar (TYPE_TARGET_TYPE (type), val, stream); | |
409 | return; | |
410 | ||
411 | case TYPE_CODE_UNDEF: | |
412 | case TYPE_CODE_PTR: | |
413 | case TYPE_CODE_ARRAY: | |
414 | case TYPE_CODE_STRUCT: | |
415 | case TYPE_CODE_UNION: | |
416 | case TYPE_CODE_FUNC: | |
417 | case TYPE_CODE_FLT: | |
418 | case TYPE_CODE_VOID: | |
419 | case TYPE_CODE_SET: | |
420 | case TYPE_CODE_STRING: | |
421 | case TYPE_CODE_ERROR: | |
0d5de010 DJ |
422 | case TYPE_CODE_MEMBERPTR: |
423 | case TYPE_CODE_METHODPTR: | |
14f9c5c9 AS |
424 | case TYPE_CODE_METHOD: |
425 | case TYPE_CODE_REF: | |
edefbb7c | 426 | warning (_("internal error: unhandled type in ada_print_scalar")); |
14f9c5c9 AS |
427 | break; |
428 | ||
429 | default: | |
edefbb7c | 430 | error (_("Invalid type code in symbol table.")); |
14f9c5c9 AS |
431 | } |
432 | gdb_flush (stream); | |
433 | } | |
434 | ||
435 | /* Print the character string STRING, printing at most LENGTH characters. | |
436 | Printing stops early if the number hits print_max; repeat counts | |
437 | are printed as appropriate. Print ellipses at the end if we | |
9a153e0b JB |
438 | had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. |
439 | TYPE_LEN is the length (1 or 2) of the character type. */ | |
14f9c5c9 AS |
440 | |
441 | static void | |
6c7a06a3 | 442 | printstr (struct ui_file *stream, struct type *elttype, const gdb_byte *string, |
79a45b7d TT |
443 | unsigned int length, int force_ellipses, int type_len, |
444 | const struct value_print_options *options) | |
14f9c5c9 | 445 | { |
e17a4113 | 446 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (elttype)); |
14f9c5c9 AS |
447 | unsigned int i; |
448 | unsigned int things_printed = 0; | |
449 | int in_quotes = 0; | |
450 | int need_comma = 0; | |
451 | ||
452 | if (length == 0) | |
453 | { | |
454 | fputs_filtered ("\"\"", stream); | |
455 | return; | |
456 | } | |
457 | ||
79a45b7d | 458 | for (i = 0; i < length && things_printed < options->print_max; i += 1) |
14f9c5c9 AS |
459 | { |
460 | /* Position of the character we are examining | |
d2e4a39e | 461 | to see whether it is repeated. */ |
14f9c5c9 AS |
462 | unsigned int rep1; |
463 | /* Number of repetitions we have detected so far. */ | |
464 | unsigned int reps; | |
465 | ||
466 | QUIT; | |
467 | ||
468 | if (need_comma) | |
469 | { | |
470 | fputs_filtered (", ", stream); | |
471 | need_comma = 0; | |
472 | } | |
473 | ||
474 | rep1 = i + 1; | |
475 | reps = 1; | |
c3e5cd34 | 476 | while (rep1 < length |
e17a4113 UW |
477 | && char_at (string, rep1, type_len, byte_order) |
478 | == char_at (string, i, type_len, byte_order)) | |
14f9c5c9 AS |
479 | { |
480 | rep1 += 1; | |
481 | reps += 1; | |
482 | } | |
483 | ||
79a45b7d | 484 | if (reps > options->repeat_count_threshold) |
14f9c5c9 AS |
485 | { |
486 | if (in_quotes) | |
487 | { | |
e93a8774 | 488 | fputs_filtered ("\", ", stream); |
14f9c5c9 AS |
489 | in_quotes = 0; |
490 | } | |
491 | fputs_filtered ("'", stream); | |
e17a4113 UW |
492 | ada_emit_char (char_at (string, i, type_len, byte_order), |
493 | elttype, stream, '\'', type_len); | |
14f9c5c9 | 494 | fputs_filtered ("'", stream); |
edefbb7c | 495 | fprintf_filtered (stream, _(" <repeats %u times>"), reps); |
14f9c5c9 | 496 | i = rep1 - 1; |
79a45b7d | 497 | things_printed += options->repeat_count_threshold; |
14f9c5c9 AS |
498 | need_comma = 1; |
499 | } | |
500 | else | |
501 | { | |
502 | if (!in_quotes) | |
503 | { | |
e93a8774 | 504 | fputs_filtered ("\"", stream); |
14f9c5c9 AS |
505 | in_quotes = 1; |
506 | } | |
e17a4113 UW |
507 | ada_emit_char (char_at (string, i, type_len, byte_order), |
508 | elttype, stream, '"', type_len); | |
14f9c5c9 AS |
509 | things_printed += 1; |
510 | } | |
511 | } | |
512 | ||
513 | /* Terminate the quotes if necessary. */ | |
514 | if (in_quotes) | |
e93a8774 | 515 | fputs_filtered ("\"", stream); |
14f9c5c9 AS |
516 | |
517 | if (force_ellipses || i < length) | |
518 | fputs_filtered ("...", stream); | |
519 | } | |
520 | ||
521 | void | |
0963b4bd MS |
522 | ada_printstr (struct ui_file *stream, struct type *type, |
523 | const gdb_byte *string, unsigned int length, | |
524 | const char *encoding, int force_ellipses, | |
79a45b7d | 525 | const struct value_print_options *options) |
14f9c5c9 | 526 | { |
6c7a06a3 TT |
527 | printstr (stream, type, string, length, force_ellipses, TYPE_LENGTH (type), |
528 | options); | |
14f9c5c9 AS |
529 | } |
530 | ||
bdf779a0 JB |
531 | static int |
532 | print_variant_part (struct type *type, int field_num, | |
533 | const gdb_byte *valaddr, int offset, | |
534 | struct ui_file *stream, int recurse, | |
e8b24d9f | 535 | struct value *val, |
bdf779a0 JB |
536 | const struct value_print_options *options, |
537 | int comma_needed, | |
8e355c5d JB |
538 | struct type *outer_type, int outer_offset, |
539 | const struct language_defn *language) | |
bdf779a0 JB |
540 | { |
541 | struct type *var_type = TYPE_FIELD_TYPE (type, field_num); | |
542 | int which = ada_which_variant_applies (var_type, outer_type, | |
543 | valaddr + outer_offset); | |
544 | ||
545 | if (which < 0) | |
546 | return 0; | |
547 | else | |
548 | return print_field_values | |
549 | (TYPE_FIELD_TYPE (var_type, which), | |
550 | valaddr, | |
551 | offset + TYPE_FIELD_BITPOS (type, field_num) / HOST_CHAR_BIT | |
552 | + TYPE_FIELD_BITPOS (var_type, which) / HOST_CHAR_BIT, | |
553 | stream, recurse, val, options, | |
8e355c5d | 554 | comma_needed, outer_type, outer_offset, language); |
bdf779a0 JB |
555 | } |
556 | ||
557 | /* Print out fields of value at VALADDR + OFFSET having structure type TYPE. | |
558 | ||
559 | TYPE, VALADDR, OFFSET, STREAM, RECURSE, and OPTIONS have the same | |
560 | meanings as in ada_print_value and ada_val_print. | |
561 | ||
562 | OUTER_TYPE and OUTER_OFFSET give type and address of enclosing | |
563 | record (used to get discriminant values when printing variant | |
564 | parts). | |
565 | ||
566 | COMMA_NEEDED is 1 if fields have been printed at the current recursion | |
567 | level, so that a comma is needed before any field printed by this | |
568 | call. | |
569 | ||
570 | Returns 1 if COMMA_NEEDED or any fields were printed. */ | |
571 | ||
572 | static int | |
573 | print_field_values (struct type *type, const gdb_byte *valaddr, | |
574 | int offset, struct ui_file *stream, int recurse, | |
e8b24d9f | 575 | struct value *val, |
bdf779a0 JB |
576 | const struct value_print_options *options, |
577 | int comma_needed, | |
8e355c5d JB |
578 | struct type *outer_type, int outer_offset, |
579 | const struct language_defn *language) | |
bdf779a0 JB |
580 | { |
581 | int i, len; | |
582 | ||
583 | len = TYPE_NFIELDS (type); | |
584 | ||
585 | for (i = 0; i < len; i += 1) | |
586 | { | |
587 | if (ada_is_ignored_field (type, i)) | |
588 | continue; | |
589 | ||
590 | if (ada_is_wrapper_field (type, i)) | |
591 | { | |
592 | comma_needed = | |
593 | print_field_values (TYPE_FIELD_TYPE (type, i), | |
594 | valaddr, | |
595 | (offset | |
596 | + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT), | |
597 | stream, recurse, val, options, | |
8e355c5d | 598 | comma_needed, type, offset, language); |
bdf779a0 JB |
599 | continue; |
600 | } | |
601 | else if (ada_is_variant_part (type, i)) | |
602 | { | |
603 | comma_needed = | |
604 | print_variant_part (type, i, valaddr, | |
605 | offset, stream, recurse, val, | |
606 | options, comma_needed, | |
8e355c5d | 607 | outer_type, outer_offset, language); |
bdf779a0 JB |
608 | continue; |
609 | } | |
610 | ||
611 | if (comma_needed) | |
612 | fprintf_filtered (stream, ", "); | |
613 | comma_needed = 1; | |
614 | ||
615 | if (options->prettyformat) | |
616 | { | |
617 | fprintf_filtered (stream, "\n"); | |
618 | print_spaces_filtered (2 + 2 * recurse, stream); | |
619 | } | |
620 | else | |
621 | { | |
622 | wrap_here (n_spaces (2 + 2 * recurse)); | |
623 | } | |
624 | ||
625 | annotate_field_begin (TYPE_FIELD_TYPE (type, i)); | |
626 | fprintf_filtered (stream, "%.*s", | |
627 | ada_name_prefix_len (TYPE_FIELD_NAME (type, i)), | |
628 | TYPE_FIELD_NAME (type, i)); | |
629 | annotate_field_name_end (); | |
630 | fputs_filtered (" => ", stream); | |
631 | annotate_field_value (); | |
632 | ||
633 | if (TYPE_FIELD_PACKED (type, i)) | |
634 | { | |
bdf779a0 JB |
635 | /* Bitfields require special handling, especially due to byte |
636 | order problems. */ | |
637 | if (HAVE_CPLUS_STRUCT (type) && TYPE_FIELD_IGNORE (type, i)) | |
638 | { | |
639 | fputs_filtered (_("<optimized out or zero length>"), stream); | |
640 | } | |
641 | else | |
642 | { | |
e8b24d9f | 643 | struct value *v; |
bdf779a0 JB |
644 | int bit_pos = TYPE_FIELD_BITPOS (type, i); |
645 | int bit_size = TYPE_FIELD_BITSIZE (type, i); | |
646 | struct value_print_options opts; | |
647 | ||
648 | adjust_type_signedness (TYPE_FIELD_TYPE (type, i)); | |
649 | v = ada_value_primitive_packed_val | |
650 | (NULL, valaddr, | |
651 | offset + bit_pos / HOST_CHAR_BIT, | |
652 | bit_pos % HOST_CHAR_BIT, | |
653 | bit_size, TYPE_FIELD_TYPE (type, i)); | |
654 | opts = *options; | |
655 | opts.deref_ref = 0; | |
656 | val_print (TYPE_FIELD_TYPE (type, i), | |
bdf779a0 JB |
657 | value_embedded_offset (v), 0, |
658 | stream, recurse + 1, v, | |
8e355c5d | 659 | &opts, language); |
bdf779a0 JB |
660 | } |
661 | } | |
662 | else | |
663 | { | |
664 | struct value_print_options opts = *options; | |
665 | ||
666 | opts.deref_ref = 0; | |
e8b24d9f | 667 | val_print (TYPE_FIELD_TYPE (type, i), |
8e355c5d JB |
668 | (offset + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT), |
669 | 0, stream, recurse + 1, val, &opts, language); | |
bdf779a0 JB |
670 | } |
671 | annotate_field_end (); | |
672 | } | |
673 | ||
674 | return comma_needed; | |
675 | } | |
676 | ||
71855601 JB |
677 | /* Implement Ada val_print'ing for the case where TYPE is |
678 | a TYPE_CODE_ARRAY of characters. */ | |
679 | ||
680 | static void | |
681 | ada_val_print_string (struct type *type, const gdb_byte *valaddr, | |
682 | int offset, int offset_aligned, CORE_ADDR address, | |
683 | struct ui_file *stream, int recurse, | |
e8b24d9f | 684 | struct value *original_value, |
71855601 JB |
685 | const struct value_print_options *options) |
686 | { | |
687 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); | |
688 | struct type *elttype = TYPE_TARGET_TYPE (type); | |
689 | unsigned int eltlen; | |
690 | unsigned int len; | |
691 | ||
692 | /* We know that ELTTYPE cannot possibly be null, because we assume | |
693 | that we're called only when TYPE is a string-like type. | |
694 | Similarly, the size of ELTTYPE should also be non-null, since | |
695 | it's a character-like type. */ | |
696 | gdb_assert (elttype != NULL); | |
697 | gdb_assert (TYPE_LENGTH (elttype) != 0); | |
698 | ||
699 | eltlen = TYPE_LENGTH (elttype); | |
700 | len = TYPE_LENGTH (type) / eltlen; | |
701 | ||
702 | if (options->prettyformat_arrays) | |
703 | print_spaces_filtered (2 + 2 * recurse, stream); | |
704 | ||
705 | /* If requested, look for the first null char and only print | |
706 | elements up to it. */ | |
707 | if (options->stop_print_at_null) | |
708 | { | |
709 | int temp_len; | |
710 | ||
711 | /* Look for a NULL char. */ | |
712 | for (temp_len = 0; | |
713 | (temp_len < len | |
714 | && temp_len < options->print_max | |
715 | && char_at (valaddr + offset_aligned, | |
716 | temp_len, eltlen, byte_order) != 0); | |
717 | temp_len += 1); | |
718 | len = temp_len; | |
719 | } | |
720 | ||
721 | printstr (stream, elttype, valaddr + offset_aligned, len, 0, | |
722 | eltlen, options); | |
723 | } | |
724 | ||
8004dfd1 JB |
725 | /* Implement Ada val_print-ing for GNAT arrays (Eg. fat pointers, |
726 | thin pointers, etc). */ | |
727 | ||
728 | static void | |
729 | ada_val_print_gnat_array (struct type *type, const gdb_byte *valaddr, | |
730 | int offset, CORE_ADDR address, | |
731 | struct ui_file *stream, int recurse, | |
e8b24d9f | 732 | struct value *original_value, |
8004dfd1 JB |
733 | const struct value_print_options *options, |
734 | const struct language_defn *language) | |
735 | { | |
736 | struct value *mark = value_mark (); | |
737 | struct value *val; | |
738 | ||
739 | val = value_from_contents_and_address (type, valaddr + offset, address); | |
740 | /* If this is a reference, coerce it now. This helps taking care | |
741 | of the case where ADDRESS is meaningless because original_value | |
742 | was not an lval. */ | |
743 | val = coerce_ref (val); | |
744 | if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF) /* array access type. */ | |
745 | val = ada_coerce_to_simple_array_ptr (val); | |
746 | else | |
747 | val = ada_coerce_to_simple_array (val); | |
748 | if (val == NULL) | |
749 | { | |
750 | gdb_assert (TYPE_CODE (type) == TYPE_CODE_TYPEDEF); | |
751 | fprintf_filtered (stream, "0x0"); | |
752 | } | |
753 | else | |
e8b24d9f | 754 | val_print (value_type (val), |
8004dfd1 JB |
755 | value_embedded_offset (val), value_address (val), |
756 | stream, recurse, val, options, language); | |
757 | value_free_to_mark (mark); | |
758 | } | |
759 | ||
760 | /* Implement Ada val_print'ing for the case where TYPE is | |
761 | a TYPE_CODE_PTR. */ | |
762 | ||
763 | static void | |
764 | ada_val_print_ptr (struct type *type, const gdb_byte *valaddr, | |
765 | int offset, int offset_aligned, CORE_ADDR address, | |
766 | struct ui_file *stream, int recurse, | |
e8b24d9f | 767 | struct value *original_value, |
8004dfd1 JB |
768 | const struct value_print_options *options, |
769 | const struct language_defn *language) | |
770 | { | |
e8b24d9f | 771 | val_print (type, offset, address, stream, recurse, |
8004dfd1 JB |
772 | original_value, options, language_def (language_c)); |
773 | ||
774 | if (ada_is_tag_type (type)) | |
775 | { | |
776 | struct value *val = | |
777 | value_from_contents_and_address (type, | |
778 | valaddr + offset_aligned, | |
779 | address + offset_aligned); | |
780 | const char *name = ada_tag_name (val); | |
781 | ||
782 | if (name != NULL) | |
783 | fprintf_filtered (stream, " (%s)", name); | |
784 | } | |
785 | } | |
786 | ||
787 | /* Implement Ada val_print'ing for the case where TYPE is | |
788 | a TYPE_CODE_INT or TYPE_CODE_RANGE. */ | |
789 | ||
790 | static void | |
791 | ada_val_print_num (struct type *type, const gdb_byte *valaddr, | |
792 | int offset, int offset_aligned, CORE_ADDR address, | |
793 | struct ui_file *stream, int recurse, | |
e8b24d9f | 794 | struct value *original_value, |
8004dfd1 JB |
795 | const struct value_print_options *options, |
796 | const struct language_defn *language) | |
797 | { | |
798 | if (ada_is_fixed_point_type (type)) | |
799 | { | |
50eff16b UW |
800 | struct value *scale = ada_scaling_factor (type); |
801 | struct value *v = value_from_contents (type, valaddr + offset_aligned); | |
802 | v = value_cast (value_type (scale), v); | |
803 | v = value_binop (v, scale, BINOP_MUL); | |
804 | ||
805 | const char *fmt = TYPE_LENGTH (type) < 4 ? "%.11g" : "%.17g"; | |
806 | std::string str | |
807 | = target_float_to_string (value_contents (v), value_type (v), fmt); | |
808 | fputs_filtered (str.c_str (), stream); | |
8004dfd1 JB |
809 | return; |
810 | } | |
811 | else if (TYPE_CODE (type) == TYPE_CODE_RANGE) | |
812 | { | |
813 | struct type *target_type = TYPE_TARGET_TYPE (type); | |
814 | ||
815 | if (TYPE_LENGTH (type) != TYPE_LENGTH (target_type)) | |
816 | { | |
817 | /* Obscure case of range type that has different length from | |
818 | its base type. Perform a conversion, or we will get a | |
819 | nonsense value. Actually, we could use the same | |
820 | code regardless of lengths; I'm just avoiding a cast. */ | |
821 | struct value *v1 | |
822 | = value_from_contents_and_address (type, valaddr + offset, 0); | |
823 | struct value *v = value_cast (target_type, v1); | |
824 | ||
e8b24d9f | 825 | val_print (target_type, |
8004dfd1 JB |
826 | value_embedded_offset (v), 0, stream, |
827 | recurse + 1, v, options, language); | |
828 | } | |
829 | else | |
e8b24d9f | 830 | val_print (TYPE_TARGET_TYPE (type), offset, |
8004dfd1 JB |
831 | address, stream, recurse, original_value, |
832 | options, language); | |
833 | return; | |
834 | } | |
835 | else | |
836 | { | |
837 | int format = (options->format ? options->format | |
838 | : options->output_format); | |
839 | ||
840 | if (format) | |
841 | { | |
842 | struct value_print_options opts = *options; | |
843 | ||
844 | opts.format = format; | |
e8b24d9f | 845 | val_print_scalar_formatted (type, offset_aligned, |
8004dfd1 JB |
846 | original_value, &opts, 0, stream); |
847 | } | |
848 | else if (ada_is_system_address_type (type)) | |
849 | { | |
850 | /* FIXME: We want to print System.Address variables using | |
851 | the same format as for any access type. But for some | |
852 | reason GNAT encodes the System.Address type as an int, | |
853 | so we have to work-around this deficiency by handling | |
854 | System.Address values as a special case. */ | |
855 | ||
856 | struct gdbarch *gdbarch = get_type_arch (type); | |
857 | struct type *ptr_type = builtin_type (gdbarch)->builtin_data_ptr; | |
858 | CORE_ADDR addr = extract_typed_address (valaddr + offset_aligned, | |
859 | ptr_type); | |
860 | ||
861 | fprintf_filtered (stream, "("); | |
862 | type_print (type, "", stream, -1); | |
863 | fprintf_filtered (stream, ") "); | |
864 | fputs_filtered (paddress (gdbarch, addr), stream); | |
865 | } | |
866 | else | |
867 | { | |
f12f6bad TT |
868 | val_print_scalar_formatted (type, offset_aligned, |
869 | original_value, options, 0, stream); | |
8004dfd1 JB |
870 | if (ada_is_character_type (type)) |
871 | { | |
872 | LONGEST c; | |
873 | ||
874 | fputs_filtered (" ", stream); | |
875 | c = unpack_long (type, valaddr + offset_aligned); | |
876 | ada_printchar (c, type, stream); | |
877 | } | |
878 | } | |
879 | return; | |
880 | } | |
881 | } | |
882 | ||
883 | /* Implement Ada val_print'ing for the case where TYPE is | |
884 | a TYPE_CODE_ENUM. */ | |
885 | ||
886 | static void | |
887 | ada_val_print_enum (struct type *type, const gdb_byte *valaddr, | |
888 | int offset, int offset_aligned, CORE_ADDR address, | |
889 | struct ui_file *stream, int recurse, | |
e8b24d9f | 890 | struct value *original_value, |
8004dfd1 JB |
891 | const struct value_print_options *options, |
892 | const struct language_defn *language) | |
893 | { | |
894 | int i; | |
895 | unsigned int len; | |
896 | LONGEST val; | |
897 | ||
898 | if (options->format) | |
899 | { | |
e8b24d9f | 900 | val_print_scalar_formatted (type, offset_aligned, |
8004dfd1 JB |
901 | original_value, options, 0, stream); |
902 | return; | |
903 | } | |
904 | ||
905 | len = TYPE_NFIELDS (type); | |
906 | val = unpack_long (type, valaddr + offset_aligned); | |
907 | for (i = 0; i < len; i++) | |
908 | { | |
909 | QUIT; | |
910 | if (val == TYPE_FIELD_ENUMVAL (type, i)) | |
911 | break; | |
912 | } | |
913 | ||
914 | if (i < len) | |
915 | { | |
916 | const char *name = ada_enum_name (TYPE_FIELD_NAME (type, i)); | |
917 | ||
918 | if (name[0] == '\'') | |
919 | fprintf_filtered (stream, "%ld %s", (long) val, name); | |
920 | else | |
921 | fputs_filtered (name, stream); | |
922 | } | |
923 | else | |
924 | print_longest (stream, 'd', 0, val); | |
925 | } | |
926 | ||
927 | /* Implement Ada val_print'ing for the case where TYPE is | |
928 | a TYPE_CODE_FLT. */ | |
929 | ||
930 | static void | |
931 | ada_val_print_flt (struct type *type, const gdb_byte *valaddr, | |
932 | int offset, int offset_aligned, CORE_ADDR address, | |
933 | struct ui_file *stream, int recurse, | |
e8b24d9f | 934 | struct value *original_value, |
8004dfd1 JB |
935 | const struct value_print_options *options, |
936 | const struct language_defn *language) | |
937 | { | |
938 | if (options->format) | |
939 | { | |
e8b24d9f | 940 | val_print (type, offset, address, stream, recurse, |
8004dfd1 JB |
941 | original_value, options, language_def (language_c)); |
942 | return; | |
943 | } | |
944 | ||
945 | ada_print_floating (valaddr + offset, type, stream); | |
946 | } | |
947 | ||
948 | /* Implement Ada val_print'ing for the case where TYPE is | |
949 | a TYPE_CODE_STRUCT or TYPE_CODE_UNION. */ | |
950 | ||
951 | static void | |
952 | ada_val_print_struct_union | |
953 | (struct type *type, const gdb_byte *valaddr, int offset, | |
954 | int offset_aligned, CORE_ADDR address, struct ui_file *stream, | |
e8b24d9f | 955 | int recurse, struct value *original_value, |
8004dfd1 JB |
956 | const struct value_print_options *options, |
957 | const struct language_defn *language) | |
958 | { | |
959 | if (ada_is_bogus_array_descriptor (type)) | |
960 | { | |
961 | fprintf_filtered (stream, "(...?)"); | |
962 | return; | |
963 | } | |
964 | ||
079e4591 JB |
965 | fprintf_filtered (stream, "("); |
966 | ||
967 | if (print_field_values (type, valaddr, offset_aligned, | |
968 | stream, recurse, original_value, options, | |
8e355c5d | 969 | 0, type, offset_aligned, language) != 0 |
079e4591 JB |
970 | && options->prettyformat) |
971 | { | |
972 | fprintf_filtered (stream, "\n"); | |
973 | print_spaces_filtered (2 * recurse, stream); | |
974 | } | |
975 | ||
976 | fprintf_filtered (stream, ")"); | |
8004dfd1 JB |
977 | } |
978 | ||
4eb27a30 JB |
979 | /* Implement Ada val_print'ing for the case where TYPE is |
980 | a TYPE_CODE_ARRAY. */ | |
981 | ||
982 | static void | |
983 | ada_val_print_array (struct type *type, const gdb_byte *valaddr, | |
984 | int offset, int offset_aligned, CORE_ADDR address, | |
985 | struct ui_file *stream, int recurse, | |
e8b24d9f | 986 | struct value *original_value, |
4eb27a30 JB |
987 | const struct value_print_options *options) |
988 | { | |
71855601 | 989 | /* For an array of characters, print with string syntax. */ |
4eb27a30 JB |
990 | if (ada_is_string_type (type) |
991 | && (options->format == 0 || options->format == 's')) | |
992 | { | |
71855601 JB |
993 | ada_val_print_string (type, valaddr, offset, offset_aligned, |
994 | address, stream, recurse, original_value, | |
995 | options); | |
996 | return; | |
4eb27a30 | 997 | } |
71855601 JB |
998 | |
999 | fprintf_filtered (stream, "("); | |
1000 | print_optional_low_bound (stream, type, options); | |
1001 | if (TYPE_FIELD_BITSIZE (type, 0) > 0) | |
1002 | val_print_packed_array_elements (type, valaddr, offset_aligned, | |
1003 | 0, stream, recurse, | |
1004 | original_value, options); | |
4eb27a30 | 1005 | else |
e8b24d9f | 1006 | val_print_array_elements (type, offset_aligned, address, |
71855601 JB |
1007 | stream, recurse, original_value, |
1008 | options, 0); | |
1009 | fprintf_filtered (stream, ")"); | |
4eb27a30 JB |
1010 | } |
1011 | ||
8004dfd1 JB |
1012 | /* Implement Ada val_print'ing for the case where TYPE is |
1013 | a TYPE_CODE_REF. */ | |
1014 | ||
1015 | static void | |
1016 | ada_val_print_ref (struct type *type, const gdb_byte *valaddr, | |
1017 | int offset, int offset_aligned, CORE_ADDR address, | |
1018 | struct ui_file *stream, int recurse, | |
e8b24d9f | 1019 | struct value *original_value, |
8004dfd1 JB |
1020 | const struct value_print_options *options, |
1021 | const struct language_defn *language) | |
1022 | { | |
1023 | /* For references, the debugger is expected to print the value as | |
1024 | an address if DEREF_REF is null. But printing an address in place | |
1025 | of the object value would be confusing to an Ada programmer. | |
1026 | So, for Ada values, we print the actual dereferenced value | |
1027 | regardless. */ | |
1028 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
34b27950 JB |
1029 | struct value *deref_val; |
1030 | CORE_ADDR deref_val_int; | |
8004dfd1 | 1031 | |
34b27950 | 1032 | if (TYPE_CODE (elttype) == TYPE_CODE_UNDEF) |
8004dfd1 | 1033 | { |
34b27950 JB |
1034 | fputs_filtered ("<ref to undefined type>", stream); |
1035 | return; | |
1036 | } | |
8004dfd1 | 1037 | |
34b27950 JB |
1038 | deref_val = coerce_ref_if_computed (original_value); |
1039 | if (deref_val) | |
1040 | { | |
1041 | if (ada_is_tagged_type (value_type (deref_val), 1)) | |
1042 | deref_val = ada_tag_value_at_base_address (deref_val); | |
8004dfd1 | 1043 | |
34b27950 JB |
1044 | common_val_print (deref_val, stream, recurse + 1, options, |
1045 | language); | |
1046 | return; | |
1047 | } | |
8004dfd1 | 1048 | |
34b27950 JB |
1049 | deref_val_int = unpack_pointer (type, valaddr + offset_aligned); |
1050 | if (deref_val_int == 0) | |
1051 | { | |
1052 | fputs_filtered ("(null)", stream); | |
1053 | return; | |
8004dfd1 | 1054 | } |
34b27950 JB |
1055 | |
1056 | deref_val | |
1057 | = ada_value_ind (value_from_pointer (lookup_pointer_type (elttype), | |
1058 | deref_val_int)); | |
1059 | if (ada_is_tagged_type (value_type (deref_val), 1)) | |
1060 | deref_val = ada_tag_value_at_base_address (deref_val); | |
1061 | ||
c1b5a1a6 JB |
1062 | /* Make sure that the object does not have an unreasonable size |
1063 | before trying to print it. This can happen for instance with | |
1064 | references to dynamic objects whose contents is uninitialized | |
1065 | (Eg: an array whose bounds are not set yet). */ | |
1066 | ada_ensure_varsize_limit (value_type (deref_val)); | |
1067 | ||
7d45f3df YQ |
1068 | if (value_lazy (deref_val)) |
1069 | value_fetch_lazy (deref_val); | |
1070 | ||
34b27950 | 1071 | val_print (value_type (deref_val), |
34b27950 JB |
1072 | value_embedded_offset (deref_val), |
1073 | value_address (deref_val), stream, recurse + 1, | |
1074 | deref_val, options, language); | |
8004dfd1 JB |
1075 | } |
1076 | ||
14f9c5c9 | 1077 | /* See the comment on ada_val_print. This function differs in that it |
e936309c | 1078 | does not catch evaluation errors (leaving that to ada_val_print). */ |
14f9c5c9 | 1079 | |
d3eab38a | 1080 | static void |
e8b24d9f | 1081 | ada_val_print_1 (struct type *type, |
490f124f | 1082 | int offset, CORE_ADDR address, |
79a45b7d | 1083 | struct ui_file *stream, int recurse, |
e8b24d9f | 1084 | struct value *original_value, |
cd1630f9 JB |
1085 | const struct value_print_options *options, |
1086 | const struct language_defn *language) | |
14f9c5c9 | 1087 | { |
490f124f | 1088 | int offset_aligned; |
e8b24d9f | 1089 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
14f9c5c9 | 1090 | |
61ee279c | 1091 | type = ada_check_typedef (type); |
14f9c5c9 | 1092 | |
ad82864c | 1093 | if (ada_is_array_descriptor_type (type) |
d2d43431 JB |
1094 | || (ada_is_constrained_packed_array_type (type) |
1095 | && TYPE_CODE (type) != TYPE_CODE_PTR)) | |
14f9c5c9 | 1096 | { |
8004dfd1 JB |
1097 | ada_val_print_gnat_array (type, valaddr, offset, address, |
1098 | stream, recurse, original_value, | |
1099 | options, language); | |
d3eab38a | 1100 | return; |
14f9c5c9 AS |
1101 | } |
1102 | ||
490f124f PA |
1103 | offset_aligned = offset + ada_aligned_value_addr (type, valaddr) - valaddr; |
1104 | type = printable_val_type (type, valaddr + offset_aligned); | |
62c67f3c JB |
1105 | type = resolve_dynamic_type (type, valaddr + offset_aligned, |
1106 | address + offset_aligned); | |
14f9c5c9 AS |
1107 | |
1108 | switch (TYPE_CODE (type)) | |
1109 | { | |
1110 | default: | |
e8b24d9f | 1111 | val_print (type, offset, address, stream, recurse, |
cd1630f9 | 1112 | original_value, options, language_def (language_c)); |
d3eab38a | 1113 | break; |
14f9c5c9 | 1114 | |
4c4b4cd2 | 1115 | case TYPE_CODE_PTR: |
8004dfd1 JB |
1116 | ada_val_print_ptr (type, valaddr, offset, offset_aligned, |
1117 | address, stream, recurse, original_value, | |
1118 | options, language); | |
1119 | break; | |
4c4b4cd2 | 1120 | |
14f9c5c9 AS |
1121 | case TYPE_CODE_INT: |
1122 | case TYPE_CODE_RANGE: | |
8004dfd1 JB |
1123 | ada_val_print_num (type, valaddr, offset, offset_aligned, |
1124 | address, stream, recurse, original_value, | |
1125 | options, language); | |
1126 | break; | |
14f9c5c9 AS |
1127 | |
1128 | case TYPE_CODE_ENUM: | |
8004dfd1 JB |
1129 | ada_val_print_enum (type, valaddr, offset, offset_aligned, |
1130 | address, stream, recurse, original_value, | |
1131 | options, language); | |
1132 | break; | |
d2e4a39e | 1133 | |
4c4b4cd2 | 1134 | case TYPE_CODE_FLT: |
8004dfd1 JB |
1135 | ada_val_print_flt (type, valaddr, offset, offset_aligned, |
1136 | address, stream, recurse, original_value, | |
1137 | options, language); | |
4c4b4cd2 PH |
1138 | break; |
1139 | ||
14f9c5c9 AS |
1140 | case TYPE_CODE_UNION: |
1141 | case TYPE_CODE_STRUCT: | |
8004dfd1 JB |
1142 | ada_val_print_struct_union (type, valaddr, offset, offset_aligned, |
1143 | address, stream, recurse, | |
1144 | original_value, options, language); | |
1145 | break; | |
14f9c5c9 AS |
1146 | |
1147 | case TYPE_CODE_ARRAY: | |
4eb27a30 | 1148 | ada_val_print_array (type, valaddr, offset, offset_aligned, |
d3eab38a TT |
1149 | address, stream, recurse, original_value, |
1150 | options); | |
1151 | return; | |
14f9c5c9 AS |
1152 | |
1153 | case TYPE_CODE_REF: | |
8004dfd1 JB |
1154 | ada_val_print_ref (type, valaddr, offset, offset_aligned, |
1155 | address, stream, recurse, original_value, | |
1156 | options, language); | |
14f9c5c9 AS |
1157 | break; |
1158 | } | |
14f9c5c9 AS |
1159 | } |
1160 | ||
bdf779a0 JB |
1161 | /* See val_print for a description of the various parameters of this |
1162 | function; they are identical. */ | |
1163 | ||
1164 | void | |
e8b24d9f | 1165 | ada_val_print (struct type *type, |
bdf779a0 JB |
1166 | int embedded_offset, CORE_ADDR address, |
1167 | struct ui_file *stream, int recurse, | |
e8b24d9f | 1168 | struct value *val, |
bdf779a0 | 1169 | const struct value_print_options *options) |
14f9c5c9 | 1170 | { |
492d29ea | 1171 | TRY |
bdf779a0 | 1172 | { |
e8b24d9f | 1173 | ada_val_print_1 (type, embedded_offset, address, |
cd1630f9 JB |
1174 | stream, recurse, val, options, |
1175 | current_language); | |
bdf779a0 | 1176 | } |
eccab96d | 1177 | CATCH (except, RETURN_MASK_ERROR) |
492d29ea | 1178 | { |
eccab96d JB |
1179 | fprintf_filtered (stream, _("<error reading variable: %s>"), |
1180 | except.message); | |
492d29ea PA |
1181 | } |
1182 | END_CATCH | |
14f9c5c9 AS |
1183 | } |
1184 | ||
8e069a98 | 1185 | void |
79a45b7d TT |
1186 | ada_value_print (struct value *val0, struct ui_file *stream, |
1187 | const struct value_print_options *options) | |
14f9c5c9 | 1188 | { |
0c3acc09 JB |
1189 | struct value *val = ada_to_fixed_value (val0); |
1190 | CORE_ADDR address = value_address (val); | |
7828a5f5 | 1191 | struct type *type = ada_check_typedef (value_enclosing_type (val)); |
79a45b7d | 1192 | struct value_print_options opts; |
14f9c5c9 | 1193 | |
4c4b4cd2 PH |
1194 | /* If it is a pointer, indicate what it points to. */ |
1195 | if (TYPE_CODE (type) == TYPE_CODE_PTR) | |
14f9c5c9 | 1196 | { |
4c4b4cd2 PH |
1197 | /* Hack: don't print (char *) for char strings. Their |
1198 | type is indicated by the quoted string anyway. */ | |
1199 | if (TYPE_LENGTH (TYPE_TARGET_TYPE (type)) != sizeof (char) | |
1200 | || TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_INT | |
1201 | || TYPE_UNSIGNED (TYPE_TARGET_TYPE (type))) | |
14f9c5c9 AS |
1202 | { |
1203 | fprintf_filtered (stream, "("); | |
1204 | type_print (type, "", stream, -1); | |
1205 | fprintf_filtered (stream, ") "); | |
1206 | } | |
1207 | } | |
4c4b4cd2 | 1208 | else if (ada_is_array_descriptor_type (type)) |
14f9c5c9 | 1209 | { |
720d1a40 JB |
1210 | /* We do not print the type description unless TYPE is an array |
1211 | access type (this is encoded by the compiler as a typedef to | |
1212 | a fat pointer - hence the check against TYPE_CODE_TYPEDEF). */ | |
1213 | if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF) | |
1214 | { | |
1215 | fprintf_filtered (stream, "("); | |
1216 | type_print (type, "", stream, -1); | |
1217 | fprintf_filtered (stream, ") "); | |
1218 | } | |
14f9c5c9 AS |
1219 | } |
1220 | else if (ada_is_bogus_array_descriptor (type)) | |
1221 | { | |
1222 | fprintf_filtered (stream, "("); | |
1223 | type_print (type, "", stream, -1); | |
1224 | fprintf_filtered (stream, ") (...?)"); | |
8e069a98 | 1225 | return; |
14f9c5c9 | 1226 | } |
4c4b4cd2 | 1227 | |
79a45b7d TT |
1228 | opts = *options; |
1229 | opts.deref_ref = 1; | |
e8b24d9f | 1230 | val_print (type, |
8e069a98 TT |
1231 | value_embedded_offset (val), address, |
1232 | stream, 0, val, &opts, current_language); | |
14f9c5c9 | 1233 | } |