Commit | Line | Data |
---|---|---|
4c4b4cd2 | 1 | /* Support for printing Ada values for GDB, the GNU debugger. |
d56612af | 2 | |
61baf725 | 3 | Copyright (C) 1986-2017 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" |
14f9c5c9 | 34 | |
fc1a4b47 | 35 | static int print_field_values (struct type *, const gdb_byte *, |
490f124f | 36 | int, |
79a45b7d | 37 | struct ui_file *, int, |
e8b24d9f | 38 | struct value *, |
79a45b7d | 39 | const struct value_print_options *, |
8e355c5d JB |
40 | int, struct type *, int, |
41 | const struct language_defn *); | |
14f9c5c9 AS |
42 | \f |
43 | ||
4c4b4cd2 | 44 | /* Make TYPE unsigned if its range of values includes no negatives. */ |
d2e4a39e | 45 | static void |
4dc81987 | 46 | adjust_type_signedness (struct type *type) |
14f9c5c9 | 47 | { |
d2e4a39e | 48 | if (type != NULL && TYPE_CODE (type) == TYPE_CODE_RANGE |
14f9c5c9 | 49 | && TYPE_LOW_BOUND (type) >= 0) |
876cecd0 | 50 | TYPE_UNSIGNED (type) = 1; |
d2e4a39e | 51 | } |
14f9c5c9 | 52 | |
e936309c JB |
53 | /* Assuming TYPE is a simple array type, prints its lower bound on STREAM, |
54 | if non-standard (i.e., other than 1 for numbers, other than lower bound | |
55 | of index type for enumerated type). Returns 1 if something printed, | |
56 | otherwise 0. */ | |
14f9c5c9 | 57 | |
d2e4a39e | 58 | static int |
79a45b7d TT |
59 | print_optional_low_bound (struct ui_file *stream, struct type *type, |
60 | const struct value_print_options *options) | |
14f9c5c9 AS |
61 | { |
62 | struct type *index_type; | |
df178451 PM |
63 | LONGEST low_bound; |
64 | LONGEST high_bound; | |
14f9c5c9 | 65 | |
79a45b7d | 66 | if (options->print_array_indexes) |
14f9c5c9 | 67 | return 0; |
e79af960 | 68 | |
e936309c JB |
69 | if (!get_array_bounds (type, &low_bound, &high_bound)) |
70 | return 0; | |
71 | ||
72 | /* If this is an empty array, then don't print the lower bound. | |
73 | That would be confusing, because we would print the lower bound, | |
74 | followed by... nothing! */ | |
75 | if (low_bound > high_bound) | |
14f9c5c9 | 76 | return 0; |
d2e4a39e | 77 | |
e79af960 JB |
78 | index_type = TYPE_INDEX_TYPE (type); |
79 | ||
859cf5d1 | 80 | while (TYPE_CODE (index_type) == TYPE_CODE_RANGE) |
fd1b946e JB |
81 | { |
82 | /* We need to know what the base type is, in order to do the | |
83 | appropriate check below. Otherwise, if this is a subrange | |
84 | of an enumerated type, where the underlying value of the | |
85 | first element is typically 0, we might test the low bound | |
86 | against the wrong value. */ | |
87 | index_type = TYPE_TARGET_TYPE (index_type); | |
88 | } | |
89 | ||
d2e4a39e AS |
90 | switch (TYPE_CODE (index_type)) |
91 | { | |
690cc4eb PH |
92 | case TYPE_CODE_BOOL: |
93 | if (low_bound == 0) | |
94 | return 0; | |
95 | break; | |
d2e4a39e | 96 | case TYPE_CODE_ENUM: |
14e75d8e | 97 | if (low_bound == TYPE_FIELD_ENUMVAL (index_type, 0)) |
d2e4a39e AS |
98 | return 0; |
99 | break; | |
100 | case TYPE_CODE_UNDEF: | |
7c964f07 | 101 | index_type = NULL; |
d2e4a39e AS |
102 | /* FALL THROUGH */ |
103 | default: | |
104 | if (low_bound == 1) | |
105 | return 0; | |
106 | break; | |
107 | } | |
14f9c5c9 | 108 | |
df178451 | 109 | ada_print_scalar (index_type, low_bound, stream); |
14f9c5c9 AS |
110 | fprintf_filtered (stream, " => "); |
111 | return 1; | |
112 | } | |
113 | ||
114 | /* Version of val_print_array_elements for GNAT-style packed arrays. | |
115 | Prints elements of packed array of type TYPE at bit offset | |
79a45b7d | 116 | BITOFFSET from VALADDR on STREAM. Formats according to OPTIONS and |
4c4b4cd2 | 117 | separates with commas. RECURSE is the recursion (nesting) level. |
79a45b7d | 118 | TYPE must have been decoded (as by ada_coerce_to_simple_array). */ |
14f9c5c9 AS |
119 | |
120 | static void | |
fc1a4b47 | 121 | val_print_packed_array_elements (struct type *type, const gdb_byte *valaddr, |
490f124f | 122 | int offset, |
ebf56fd3 | 123 | int bitoffset, struct ui_file *stream, |
79a45b7d | 124 | int recurse, |
e8b24d9f | 125 | struct value *val, |
79a45b7d | 126 | const struct value_print_options *options) |
14f9c5c9 AS |
127 | { |
128 | unsigned int i; | |
129 | unsigned int things_printed = 0; | |
130 | unsigned len; | |
e79af960 | 131 | struct type *elttype, *index_type; |
14f9c5c9 | 132 | unsigned long bitsize = TYPE_FIELD_BITSIZE (type, 0); |
d2e4a39e | 133 | struct value *mark = value_mark (); |
e79af960 | 134 | LONGEST low = 0; |
d2e4a39e | 135 | |
14f9c5c9 | 136 | elttype = TYPE_TARGET_TYPE (type); |
e79af960 | 137 | index_type = TYPE_INDEX_TYPE (type); |
14f9c5c9 AS |
138 | |
139 | { | |
e79af960 | 140 | LONGEST high; |
5b4ee69b | 141 | |
262452ec | 142 | if (get_discrete_bounds (index_type, &low, &high) < 0) |
14f9c5c9 AS |
143 | len = 1; |
144 | else | |
145 | len = high - low + 1; | |
146 | } | |
147 | ||
148 | i = 0; | |
149 | annotate_array_section_begin (i, elttype); | |
150 | ||
79a45b7d | 151 | while (i < len && things_printed < options->print_max) |
14f9c5c9 AS |
152 | { |
153 | struct value *v0, *v1; | |
154 | int i0; | |
155 | ||
156 | if (i != 0) | |
157 | { | |
2a998fc0 | 158 | if (options->prettyformat_arrays) |
14f9c5c9 AS |
159 | { |
160 | fprintf_filtered (stream, ",\n"); | |
161 | print_spaces_filtered (2 + 2 * recurse, stream); | |
162 | } | |
163 | else | |
164 | { | |
165 | fprintf_filtered (stream, ", "); | |
166 | } | |
167 | } | |
168 | wrap_here (n_spaces (2 + 2 * recurse)); | |
79a45b7d | 169 | maybe_print_array_index (index_type, i + low, stream, options); |
14f9c5c9 AS |
170 | |
171 | i0 = i; | |
490f124f | 172 | v0 = ada_value_primitive_packed_val (NULL, valaddr + offset, |
14f9c5c9 AS |
173 | (i0 * bitsize) / HOST_CHAR_BIT, |
174 | (i0 * bitsize) % HOST_CHAR_BIT, | |
175 | bitsize, elttype); | |
176 | while (1) | |
177 | { | |
178 | i += 1; | |
179 | if (i >= len) | |
180 | break; | |
490f124f | 181 | v1 = ada_value_primitive_packed_val (NULL, valaddr + offset, |
14f9c5c9 AS |
182 | (i * bitsize) / HOST_CHAR_BIT, |
183 | (i * bitsize) % HOST_CHAR_BIT, | |
184 | bitsize, elttype); | |
2478d075 JB |
185 | if (TYPE_LENGTH (check_typedef (value_type (v0))) |
186 | != TYPE_LENGTH (check_typedef (value_type (v1)))) | |
187 | break; | |
9a0dc9e3 PA |
188 | if (!value_contents_eq (v0, value_embedded_offset (v0), |
189 | v1, value_embedded_offset (v1), | |
2478d075 | 190 | TYPE_LENGTH (check_typedef (value_type (v0))))) |
14f9c5c9 AS |
191 | break; |
192 | } | |
193 | ||
79a45b7d | 194 | if (i - i0 > options->repeat_count_threshold) |
14f9c5c9 | 195 | { |
79a45b7d | 196 | struct value_print_options opts = *options; |
5b4ee69b | 197 | |
79a45b7d | 198 | opts.deref_ref = 0; |
e8b24d9f | 199 | val_print (elttype, |
490f124f | 200 | value_embedded_offset (v0), 0, stream, |
a491d753 | 201 | recurse + 1, v0, &opts, current_language); |
14f9c5c9 | 202 | annotate_elt_rep (i - i0); |
edefbb7c | 203 | fprintf_filtered (stream, _(" <repeats %u times>"), i - i0); |
14f9c5c9 AS |
204 | annotate_elt_rep_end (); |
205 | ||
206 | } | |
207 | else | |
208 | { | |
209 | int j; | |
79a45b7d | 210 | struct value_print_options opts = *options; |
5b4ee69b | 211 | |
79a45b7d | 212 | opts.deref_ref = 0; |
14f9c5c9 AS |
213 | for (j = i0; j < i; j += 1) |
214 | { | |
d2e4a39e | 215 | if (j > i0) |
14f9c5c9 | 216 | { |
2a998fc0 | 217 | if (options->prettyformat_arrays) |
14f9c5c9 AS |
218 | { |
219 | fprintf_filtered (stream, ",\n"); | |
220 | print_spaces_filtered (2 + 2 * recurse, stream); | |
221 | } | |
222 | else | |
223 | { | |
224 | fprintf_filtered (stream, ", "); | |
225 | } | |
226 | wrap_here (n_spaces (2 + 2 * recurse)); | |
e79af960 | 227 | maybe_print_array_index (index_type, j + low, |
79a45b7d | 228 | stream, options); |
14f9c5c9 | 229 | } |
e8b24d9f | 230 | val_print (elttype, |
490f124f | 231 | value_embedded_offset (v0), 0, stream, |
a491d753 | 232 | recurse + 1, v0, &opts, current_language); |
14f9c5c9 AS |
233 | annotate_elt (); |
234 | } | |
235 | } | |
236 | things_printed += i - i0; | |
237 | } | |
238 | annotate_array_section_end (); | |
239 | if (i < len) | |
240 | { | |
241 | fprintf_filtered (stream, "..."); | |
242 | } | |
243 | ||
244 | value_free_to_mark (mark); | |
245 | } | |
246 | ||
d2e4a39e | 247 | static struct type * |
fc1a4b47 | 248 | printable_val_type (struct type *type, const gdb_byte *valaddr) |
14f9c5c9 | 249 | { |
1ed6ede0 | 250 | return ada_to_fixed_type (ada_aligned_type (type), valaddr, 0, NULL, 1); |
14f9c5c9 AS |
251 | } |
252 | ||
253 | /* Print the character C on STREAM as part of the contents of a literal | |
254 | string whose delimiter is QUOTER. TYPE_LEN is the length in bytes | |
4ffa5a33 | 255 | of the character. */ |
14f9c5c9 AS |
256 | |
257 | void | |
6c7a06a3 TT |
258 | ada_emit_char (int c, struct type *type, struct ui_file *stream, |
259 | int quoter, int type_len) | |
14f9c5c9 | 260 | { |
4ffa5a33 JB |
261 | /* If this character fits in the normal ASCII range, and is |
262 | a printable character, then print the character as if it was | |
263 | an ASCII character, even if this is a wide character. | |
264 | The UCHAR_MAX check is necessary because the isascii function | |
265 | requires that its argument have a value of an unsigned char, | |
266 | or EOF (EOF is obviously not printable). */ | |
267 | if (c <= UCHAR_MAX && isascii (c) && isprint (c)) | |
14f9c5c9 AS |
268 | { |
269 | if (c == quoter && c == '"') | |
529cad9c | 270 | fprintf_filtered (stream, "\"\""); |
14f9c5c9 AS |
271 | else |
272 | fprintf_filtered (stream, "%c", c); | |
273 | } | |
274 | else | |
d2e4a39e | 275 | fprintf_filtered (stream, "[\"%0*x\"]", type_len * 2, c); |
14f9c5c9 AS |
276 | } |
277 | ||
4ffa5a33 JB |
278 | /* Character #I of STRING, given that TYPE_LEN is the size in bytes |
279 | of a character. */ | |
14f9c5c9 AS |
280 | |
281 | static int | |
e17a4113 UW |
282 | char_at (const gdb_byte *string, int i, int type_len, |
283 | enum bfd_endian byte_order) | |
14f9c5c9 AS |
284 | { |
285 | if (type_len == 1) | |
286 | return string[i]; | |
d2e4a39e | 287 | else |
4ffa5a33 JB |
288 | return (int) extract_unsigned_integer (string + type_len * i, |
289 | type_len, byte_order); | |
14f9c5c9 AS |
290 | } |
291 | ||
4c4b4cd2 PH |
292 | /* Print a floating-point value of type TYPE, pointed to in GDB by |
293 | VALADDR, on STREAM. Use Ada formatting conventions: there must be | |
294 | a decimal point, and at least one digit before and after the | |
4fbf5aa5 JB |
295 | point. We use the GNAT format for NaNs and infinities. */ |
296 | ||
4c4b4cd2 | 297 | static void |
fc1a4b47 | 298 | ada_print_floating (const gdb_byte *valaddr, struct type *type, |
a2bd3dcd | 299 | struct ui_file *stream) |
4c4b4cd2 | 300 | { |
d7e74731 | 301 | string_file tmp_stream; |
4c4b4cd2 | 302 | |
d7e74731 | 303 | print_floating (valaddr, type, &tmp_stream); |
77e1c742 | 304 | |
d7e74731 | 305 | std::string &s = tmp_stream.string (); |
77e1c742 | 306 | size_t skip_count = 0; |
4c4b4cd2 PH |
307 | |
308 | /* Modify for Ada rules. */ | |
606b8d1a | 309 | |
77e1c742 PA |
310 | size_t pos = s.find ("inf"); |
311 | if (pos == std::string::npos) | |
312 | pos = s.find ("Inf"); | |
313 | if (pos == std::string::npos) | |
314 | pos = s.find ("INF"); | |
315 | if (pos != std::string::npos) | |
316 | s.replace (pos, 3, "Inf"); | |
c3e5cd34 | 317 | |
77e1c742 | 318 | if (pos == std::string::npos) |
4c4b4cd2 | 319 | { |
77e1c742 PA |
320 | pos = s.find ("nan"); |
321 | if (pos == std::string::npos) | |
322 | pos = s.find ("NaN"); | |
323 | if (pos == std::string::npos) | |
324 | pos = s.find ("Nan"); | |
325 | if (pos != std::string::npos) | |
c3e5cd34 | 326 | { |
77e1c742 PA |
327 | s[pos] = s[pos + 2] = 'N'; |
328 | if (s[0] == '-') | |
329 | skip_count = 1; | |
c3e5cd34 | 330 | } |
4c4b4cd2 | 331 | } |
c3e5cd34 | 332 | |
77e1c742 PA |
333 | if (pos == std::string::npos |
334 | && s.find ('.') == std::string::npos) | |
4c4b4cd2 | 335 | { |
77e1c742 PA |
336 | pos = s.find ('e'); |
337 | if (pos == std::string::npos) | |
338 | fprintf_filtered (stream, "%s.0", s.c_str ()); | |
4c4b4cd2 | 339 | else |
77e1c742 | 340 | fprintf_filtered (stream, "%.*s.0%s", (int) pos, s.c_str (), &s[pos]); |
4c4b4cd2 | 341 | } |
4fbf5aa5 | 342 | else |
77e1c742 | 343 | fprintf_filtered (stream, "%s", &s[skip_count]); |
4c4b4cd2 PH |
344 | } |
345 | ||
14f9c5c9 | 346 | void |
6c7a06a3 | 347 | ada_printchar (int c, struct type *type, struct ui_file *stream) |
14f9c5c9 AS |
348 | { |
349 | fputs_filtered ("'", stream); | |
447b483c | 350 | ada_emit_char (c, type, stream, '\'', TYPE_LENGTH (type)); |
14f9c5c9 AS |
351 | fputs_filtered ("'", stream); |
352 | } | |
353 | ||
354 | /* [From print_type_scalar in typeprint.c]. Print VAL on STREAM in a | |
7c964f07 UW |
355 | form appropriate for TYPE, if non-NULL. If TYPE is NULL, print VAL |
356 | like a default signed integer. */ | |
14f9c5c9 AS |
357 | |
358 | void | |
ebf56fd3 | 359 | ada_print_scalar (struct type *type, LONGEST val, struct ui_file *stream) |
14f9c5c9 AS |
360 | { |
361 | unsigned int i; | |
362 | unsigned len; | |
363 | ||
7c964f07 UW |
364 | if (!type) |
365 | { | |
366 | print_longest (stream, 'd', 0, val); | |
367 | return; | |
368 | } | |
369 | ||
61ee279c | 370 | type = ada_check_typedef (type); |
14f9c5c9 AS |
371 | |
372 | switch (TYPE_CODE (type)) | |
373 | { | |
374 | ||
375 | case TYPE_CODE_ENUM: | |
376 | len = TYPE_NFIELDS (type); | |
377 | for (i = 0; i < len; i++) | |
378 | { | |
14e75d8e | 379 | if (TYPE_FIELD_ENUMVAL (type, i) == val) |
14f9c5c9 AS |
380 | { |
381 | break; | |
382 | } | |
383 | } | |
384 | if (i < len) | |
385 | { | |
386 | fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type, i)), stream); | |
387 | } | |
388 | else | |
389 | { | |
390 | print_longest (stream, 'd', 0, val); | |
391 | } | |
392 | break; | |
393 | ||
394 | case TYPE_CODE_INT: | |
395 | print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, val); | |
396 | break; | |
397 | ||
398 | case TYPE_CODE_CHAR: | |
10d44370 | 399 | LA_PRINT_CHAR (val, type, stream); |
14f9c5c9 AS |
400 | break; |
401 | ||
402 | case TYPE_CODE_BOOL: | |
403 | fprintf_filtered (stream, val ? "true" : "false"); | |
404 | break; | |
405 | ||
406 | case TYPE_CODE_RANGE: | |
407 | ada_print_scalar (TYPE_TARGET_TYPE (type), val, stream); | |
408 | return; | |
409 | ||
410 | case TYPE_CODE_UNDEF: | |
411 | case TYPE_CODE_PTR: | |
412 | case TYPE_CODE_ARRAY: | |
413 | case TYPE_CODE_STRUCT: | |
414 | case TYPE_CODE_UNION: | |
415 | case TYPE_CODE_FUNC: | |
416 | case TYPE_CODE_FLT: | |
417 | case TYPE_CODE_VOID: | |
418 | case TYPE_CODE_SET: | |
419 | case TYPE_CODE_STRING: | |
420 | case TYPE_CODE_ERROR: | |
0d5de010 DJ |
421 | case TYPE_CODE_MEMBERPTR: |
422 | case TYPE_CODE_METHODPTR: | |
14f9c5c9 AS |
423 | case TYPE_CODE_METHOD: |
424 | case TYPE_CODE_REF: | |
edefbb7c | 425 | warning (_("internal error: unhandled type in ada_print_scalar")); |
14f9c5c9 AS |
426 | break; |
427 | ||
428 | default: | |
edefbb7c | 429 | error (_("Invalid type code in symbol table.")); |
14f9c5c9 AS |
430 | } |
431 | gdb_flush (stream); | |
432 | } | |
433 | ||
434 | /* Print the character string STRING, printing at most LENGTH characters. | |
435 | Printing stops early if the number hits print_max; repeat counts | |
436 | are printed as appropriate. Print ellipses at the end if we | |
9a153e0b JB |
437 | had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. |
438 | TYPE_LEN is the length (1 or 2) of the character type. */ | |
14f9c5c9 AS |
439 | |
440 | static void | |
6c7a06a3 | 441 | printstr (struct ui_file *stream, struct type *elttype, const gdb_byte *string, |
79a45b7d TT |
442 | unsigned int length, int force_ellipses, int type_len, |
443 | const struct value_print_options *options) | |
14f9c5c9 | 444 | { |
e17a4113 | 445 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (elttype)); |
14f9c5c9 AS |
446 | unsigned int i; |
447 | unsigned int things_printed = 0; | |
448 | int in_quotes = 0; | |
449 | int need_comma = 0; | |
450 | ||
451 | if (length == 0) | |
452 | { | |
453 | fputs_filtered ("\"\"", stream); | |
454 | return; | |
455 | } | |
456 | ||
79a45b7d | 457 | for (i = 0; i < length && things_printed < options->print_max; i += 1) |
14f9c5c9 AS |
458 | { |
459 | /* Position of the character we are examining | |
d2e4a39e | 460 | to see whether it is repeated. */ |
14f9c5c9 AS |
461 | unsigned int rep1; |
462 | /* Number of repetitions we have detected so far. */ | |
463 | unsigned int reps; | |
464 | ||
465 | QUIT; | |
466 | ||
467 | if (need_comma) | |
468 | { | |
469 | fputs_filtered (", ", stream); | |
470 | need_comma = 0; | |
471 | } | |
472 | ||
473 | rep1 = i + 1; | |
474 | reps = 1; | |
c3e5cd34 | 475 | while (rep1 < length |
e17a4113 UW |
476 | && char_at (string, rep1, type_len, byte_order) |
477 | == char_at (string, i, type_len, byte_order)) | |
14f9c5c9 AS |
478 | { |
479 | rep1 += 1; | |
480 | reps += 1; | |
481 | } | |
482 | ||
79a45b7d | 483 | if (reps > options->repeat_count_threshold) |
14f9c5c9 AS |
484 | { |
485 | if (in_quotes) | |
486 | { | |
e93a8774 | 487 | fputs_filtered ("\", ", stream); |
14f9c5c9 AS |
488 | in_quotes = 0; |
489 | } | |
490 | fputs_filtered ("'", stream); | |
e17a4113 UW |
491 | ada_emit_char (char_at (string, i, type_len, byte_order), |
492 | elttype, stream, '\'', type_len); | |
14f9c5c9 | 493 | fputs_filtered ("'", stream); |
edefbb7c | 494 | fprintf_filtered (stream, _(" <repeats %u times>"), reps); |
14f9c5c9 | 495 | i = rep1 - 1; |
79a45b7d | 496 | things_printed += options->repeat_count_threshold; |
14f9c5c9 AS |
497 | need_comma = 1; |
498 | } | |
499 | else | |
500 | { | |
501 | if (!in_quotes) | |
502 | { | |
e93a8774 | 503 | fputs_filtered ("\"", stream); |
14f9c5c9 AS |
504 | in_quotes = 1; |
505 | } | |
e17a4113 UW |
506 | ada_emit_char (char_at (string, i, type_len, byte_order), |
507 | elttype, stream, '"', type_len); | |
14f9c5c9 AS |
508 | things_printed += 1; |
509 | } | |
510 | } | |
511 | ||
512 | /* Terminate the quotes if necessary. */ | |
513 | if (in_quotes) | |
e93a8774 | 514 | fputs_filtered ("\"", stream); |
14f9c5c9 AS |
515 | |
516 | if (force_ellipses || i < length) | |
517 | fputs_filtered ("...", stream); | |
518 | } | |
519 | ||
520 | void | |
0963b4bd MS |
521 | ada_printstr (struct ui_file *stream, struct type *type, |
522 | const gdb_byte *string, unsigned int length, | |
523 | const char *encoding, int force_ellipses, | |
79a45b7d | 524 | const struct value_print_options *options) |
14f9c5c9 | 525 | { |
6c7a06a3 TT |
526 | printstr (stream, type, string, length, force_ellipses, TYPE_LENGTH (type), |
527 | options); | |
14f9c5c9 AS |
528 | } |
529 | ||
bdf779a0 JB |
530 | static int |
531 | print_variant_part (struct type *type, int field_num, | |
532 | const gdb_byte *valaddr, int offset, | |
533 | struct ui_file *stream, int recurse, | |
e8b24d9f | 534 | struct value *val, |
bdf779a0 JB |
535 | const struct value_print_options *options, |
536 | int comma_needed, | |
8e355c5d JB |
537 | struct type *outer_type, int outer_offset, |
538 | const struct language_defn *language) | |
bdf779a0 JB |
539 | { |
540 | struct type *var_type = TYPE_FIELD_TYPE (type, field_num); | |
541 | int which = ada_which_variant_applies (var_type, outer_type, | |
542 | valaddr + outer_offset); | |
543 | ||
544 | if (which < 0) | |
545 | return 0; | |
546 | else | |
547 | return print_field_values | |
548 | (TYPE_FIELD_TYPE (var_type, which), | |
549 | valaddr, | |
550 | offset + TYPE_FIELD_BITPOS (type, field_num) / HOST_CHAR_BIT | |
551 | + TYPE_FIELD_BITPOS (var_type, which) / HOST_CHAR_BIT, | |
552 | stream, recurse, val, options, | |
8e355c5d | 553 | comma_needed, outer_type, outer_offset, language); |
bdf779a0 JB |
554 | } |
555 | ||
556 | /* Print out fields of value at VALADDR + OFFSET having structure type TYPE. | |
557 | ||
558 | TYPE, VALADDR, OFFSET, STREAM, RECURSE, and OPTIONS have the same | |
559 | meanings as in ada_print_value and ada_val_print. | |
560 | ||
561 | OUTER_TYPE and OUTER_OFFSET give type and address of enclosing | |
562 | record (used to get discriminant values when printing variant | |
563 | parts). | |
564 | ||
565 | COMMA_NEEDED is 1 if fields have been printed at the current recursion | |
566 | level, so that a comma is needed before any field printed by this | |
567 | call. | |
568 | ||
569 | Returns 1 if COMMA_NEEDED or any fields were printed. */ | |
570 | ||
571 | static int | |
572 | print_field_values (struct type *type, const gdb_byte *valaddr, | |
573 | int offset, struct ui_file *stream, int recurse, | |
e8b24d9f | 574 | struct value *val, |
bdf779a0 JB |
575 | const struct value_print_options *options, |
576 | int comma_needed, | |
8e355c5d JB |
577 | struct type *outer_type, int outer_offset, |
578 | const struct language_defn *language) | |
bdf779a0 JB |
579 | { |
580 | int i, len; | |
581 | ||
582 | len = TYPE_NFIELDS (type); | |
583 | ||
584 | for (i = 0; i < len; i += 1) | |
585 | { | |
586 | if (ada_is_ignored_field (type, i)) | |
587 | continue; | |
588 | ||
589 | if (ada_is_wrapper_field (type, i)) | |
590 | { | |
591 | comma_needed = | |
592 | print_field_values (TYPE_FIELD_TYPE (type, i), | |
593 | valaddr, | |
594 | (offset | |
595 | + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT), | |
596 | stream, recurse, val, options, | |
8e355c5d | 597 | comma_needed, type, offset, language); |
bdf779a0 JB |
598 | continue; |
599 | } | |
600 | else if (ada_is_variant_part (type, i)) | |
601 | { | |
602 | comma_needed = | |
603 | print_variant_part (type, i, valaddr, | |
604 | offset, stream, recurse, val, | |
605 | options, comma_needed, | |
8e355c5d | 606 | outer_type, outer_offset, language); |
bdf779a0 JB |
607 | continue; |
608 | } | |
609 | ||
610 | if (comma_needed) | |
611 | fprintf_filtered (stream, ", "); | |
612 | comma_needed = 1; | |
613 | ||
614 | if (options->prettyformat) | |
615 | { | |
616 | fprintf_filtered (stream, "\n"); | |
617 | print_spaces_filtered (2 + 2 * recurse, stream); | |
618 | } | |
619 | else | |
620 | { | |
621 | wrap_here (n_spaces (2 + 2 * recurse)); | |
622 | } | |
623 | ||
624 | annotate_field_begin (TYPE_FIELD_TYPE (type, i)); | |
625 | fprintf_filtered (stream, "%.*s", | |
626 | ada_name_prefix_len (TYPE_FIELD_NAME (type, i)), | |
627 | TYPE_FIELD_NAME (type, i)); | |
628 | annotate_field_name_end (); | |
629 | fputs_filtered (" => ", stream); | |
630 | annotate_field_value (); | |
631 | ||
632 | if (TYPE_FIELD_PACKED (type, i)) | |
633 | { | |
bdf779a0 JB |
634 | /* Bitfields require special handling, especially due to byte |
635 | order problems. */ | |
636 | if (HAVE_CPLUS_STRUCT (type) && TYPE_FIELD_IGNORE (type, i)) | |
637 | { | |
638 | fputs_filtered (_("<optimized out or zero length>"), stream); | |
639 | } | |
640 | else | |
641 | { | |
e8b24d9f | 642 | struct value *v; |
bdf779a0 JB |
643 | int bit_pos = TYPE_FIELD_BITPOS (type, i); |
644 | int bit_size = TYPE_FIELD_BITSIZE (type, i); | |
645 | struct value_print_options opts; | |
646 | ||
647 | adjust_type_signedness (TYPE_FIELD_TYPE (type, i)); | |
648 | v = ada_value_primitive_packed_val | |
649 | (NULL, valaddr, | |
650 | offset + bit_pos / HOST_CHAR_BIT, | |
651 | bit_pos % HOST_CHAR_BIT, | |
652 | bit_size, TYPE_FIELD_TYPE (type, i)); | |
653 | opts = *options; | |
654 | opts.deref_ref = 0; | |
655 | val_print (TYPE_FIELD_TYPE (type, i), | |
bdf779a0 JB |
656 | value_embedded_offset (v), 0, |
657 | stream, recurse + 1, v, | |
8e355c5d | 658 | &opts, language); |
bdf779a0 JB |
659 | } |
660 | } | |
661 | else | |
662 | { | |
663 | struct value_print_options opts = *options; | |
664 | ||
665 | opts.deref_ref = 0; | |
e8b24d9f | 666 | val_print (TYPE_FIELD_TYPE (type, i), |
8e355c5d JB |
667 | (offset + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT), |
668 | 0, stream, recurse + 1, val, &opts, language); | |
bdf779a0 JB |
669 | } |
670 | annotate_field_end (); | |
671 | } | |
672 | ||
673 | return comma_needed; | |
674 | } | |
675 | ||
71855601 JB |
676 | /* Implement Ada val_print'ing for the case where TYPE is |
677 | a TYPE_CODE_ARRAY of characters. */ | |
678 | ||
679 | static void | |
680 | ada_val_print_string (struct type *type, const gdb_byte *valaddr, | |
681 | int offset, int offset_aligned, CORE_ADDR address, | |
682 | struct ui_file *stream, int recurse, | |
e8b24d9f | 683 | struct value *original_value, |
71855601 JB |
684 | const struct value_print_options *options) |
685 | { | |
686 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type)); | |
687 | struct type *elttype = TYPE_TARGET_TYPE (type); | |
688 | unsigned int eltlen; | |
689 | unsigned int len; | |
690 | ||
691 | /* We know that ELTTYPE cannot possibly be null, because we assume | |
692 | that we're called only when TYPE is a string-like type. | |
693 | Similarly, the size of ELTTYPE should also be non-null, since | |
694 | it's a character-like type. */ | |
695 | gdb_assert (elttype != NULL); | |
696 | gdb_assert (TYPE_LENGTH (elttype) != 0); | |
697 | ||
698 | eltlen = TYPE_LENGTH (elttype); | |
699 | len = TYPE_LENGTH (type) / eltlen; | |
700 | ||
701 | if (options->prettyformat_arrays) | |
702 | print_spaces_filtered (2 + 2 * recurse, stream); | |
703 | ||
704 | /* If requested, look for the first null char and only print | |
705 | elements up to it. */ | |
706 | if (options->stop_print_at_null) | |
707 | { | |
708 | int temp_len; | |
709 | ||
710 | /* Look for a NULL char. */ | |
711 | for (temp_len = 0; | |
712 | (temp_len < len | |
713 | && temp_len < options->print_max | |
714 | && char_at (valaddr + offset_aligned, | |
715 | temp_len, eltlen, byte_order) != 0); | |
716 | temp_len += 1); | |
717 | len = temp_len; | |
718 | } | |
719 | ||
720 | printstr (stream, elttype, valaddr + offset_aligned, len, 0, | |
721 | eltlen, options); | |
722 | } | |
723 | ||
8004dfd1 JB |
724 | /* Implement Ada val_print-ing for GNAT arrays (Eg. fat pointers, |
725 | thin pointers, etc). */ | |
726 | ||
727 | static void | |
728 | ada_val_print_gnat_array (struct type *type, const gdb_byte *valaddr, | |
729 | int offset, CORE_ADDR address, | |
730 | struct ui_file *stream, int recurse, | |
e8b24d9f | 731 | struct value *original_value, |
8004dfd1 JB |
732 | const struct value_print_options *options, |
733 | const struct language_defn *language) | |
734 | { | |
735 | struct value *mark = value_mark (); | |
736 | struct value *val; | |
737 | ||
738 | val = value_from_contents_and_address (type, valaddr + offset, address); | |
739 | /* If this is a reference, coerce it now. This helps taking care | |
740 | of the case where ADDRESS is meaningless because original_value | |
741 | was not an lval. */ | |
742 | val = coerce_ref (val); | |
743 | if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF) /* array access type. */ | |
744 | val = ada_coerce_to_simple_array_ptr (val); | |
745 | else | |
746 | val = ada_coerce_to_simple_array (val); | |
747 | if (val == NULL) | |
748 | { | |
749 | gdb_assert (TYPE_CODE (type) == TYPE_CODE_TYPEDEF); | |
750 | fprintf_filtered (stream, "0x0"); | |
751 | } | |
752 | else | |
e8b24d9f | 753 | val_print (value_type (val), |
8004dfd1 JB |
754 | value_embedded_offset (val), value_address (val), |
755 | stream, recurse, val, options, language); | |
756 | value_free_to_mark (mark); | |
757 | } | |
758 | ||
759 | /* Implement Ada val_print'ing for the case where TYPE is | |
760 | a TYPE_CODE_PTR. */ | |
761 | ||
762 | static void | |
763 | ada_val_print_ptr (struct type *type, const gdb_byte *valaddr, | |
764 | int offset, int offset_aligned, CORE_ADDR address, | |
765 | struct ui_file *stream, int recurse, | |
e8b24d9f | 766 | struct value *original_value, |
8004dfd1 JB |
767 | const struct value_print_options *options, |
768 | const struct language_defn *language) | |
769 | { | |
e8b24d9f | 770 | val_print (type, offset, address, stream, recurse, |
8004dfd1 JB |
771 | original_value, options, language_def (language_c)); |
772 | ||
773 | if (ada_is_tag_type (type)) | |
774 | { | |
775 | struct value *val = | |
776 | value_from_contents_and_address (type, | |
777 | valaddr + offset_aligned, | |
778 | address + offset_aligned); | |
779 | const char *name = ada_tag_name (val); | |
780 | ||
781 | if (name != NULL) | |
782 | fprintf_filtered (stream, " (%s)", name); | |
783 | } | |
784 | } | |
785 | ||
786 | /* Implement Ada val_print'ing for the case where TYPE is | |
787 | a TYPE_CODE_INT or TYPE_CODE_RANGE. */ | |
788 | ||
789 | static void | |
790 | ada_val_print_num (struct type *type, const gdb_byte *valaddr, | |
791 | int offset, int offset_aligned, CORE_ADDR address, | |
792 | struct ui_file *stream, int recurse, | |
e8b24d9f | 793 | struct value *original_value, |
8004dfd1 JB |
794 | const struct value_print_options *options, |
795 | const struct language_defn *language) | |
796 | { | |
797 | if (ada_is_fixed_point_type (type)) | |
798 | { | |
799 | LONGEST v = unpack_long (type, valaddr + offset_aligned); | |
800 | ||
801 | fprintf_filtered (stream, TYPE_LENGTH (type) < 4 ? "%.11g" : "%.17g", | |
802 | (double) ada_fixed_to_float (type, v)); | |
803 | return; | |
804 | } | |
805 | else if (TYPE_CODE (type) == TYPE_CODE_RANGE) | |
806 | { | |
807 | struct type *target_type = TYPE_TARGET_TYPE (type); | |
808 | ||
809 | if (TYPE_LENGTH (type) != TYPE_LENGTH (target_type)) | |
810 | { | |
811 | /* Obscure case of range type that has different length from | |
812 | its base type. Perform a conversion, or we will get a | |
813 | nonsense value. Actually, we could use the same | |
814 | code regardless of lengths; I'm just avoiding a cast. */ | |
815 | struct value *v1 | |
816 | = value_from_contents_and_address (type, valaddr + offset, 0); | |
817 | struct value *v = value_cast (target_type, v1); | |
818 | ||
e8b24d9f | 819 | val_print (target_type, |
8004dfd1 JB |
820 | value_embedded_offset (v), 0, stream, |
821 | recurse + 1, v, options, language); | |
822 | } | |
823 | else | |
e8b24d9f | 824 | val_print (TYPE_TARGET_TYPE (type), offset, |
8004dfd1 JB |
825 | address, stream, recurse, original_value, |
826 | options, language); | |
827 | return; | |
828 | } | |
829 | else | |
830 | { | |
831 | int format = (options->format ? options->format | |
832 | : options->output_format); | |
833 | ||
834 | if (format) | |
835 | { | |
836 | struct value_print_options opts = *options; | |
837 | ||
838 | opts.format = format; | |
e8b24d9f | 839 | val_print_scalar_formatted (type, offset_aligned, |
8004dfd1 JB |
840 | original_value, &opts, 0, stream); |
841 | } | |
842 | else if (ada_is_system_address_type (type)) | |
843 | { | |
844 | /* FIXME: We want to print System.Address variables using | |
845 | the same format as for any access type. But for some | |
846 | reason GNAT encodes the System.Address type as an int, | |
847 | so we have to work-around this deficiency by handling | |
848 | System.Address values as a special case. */ | |
849 | ||
850 | struct gdbarch *gdbarch = get_type_arch (type); | |
851 | struct type *ptr_type = builtin_type (gdbarch)->builtin_data_ptr; | |
852 | CORE_ADDR addr = extract_typed_address (valaddr + offset_aligned, | |
853 | ptr_type); | |
854 | ||
855 | fprintf_filtered (stream, "("); | |
856 | type_print (type, "", stream, -1); | |
857 | fprintf_filtered (stream, ") "); | |
858 | fputs_filtered (paddress (gdbarch, addr), stream); | |
859 | } | |
860 | else | |
861 | { | |
f12f6bad TT |
862 | val_print_scalar_formatted (type, offset_aligned, |
863 | original_value, options, 0, stream); | |
8004dfd1 JB |
864 | if (ada_is_character_type (type)) |
865 | { | |
866 | LONGEST c; | |
867 | ||
868 | fputs_filtered (" ", stream); | |
869 | c = unpack_long (type, valaddr + offset_aligned); | |
870 | ada_printchar (c, type, stream); | |
871 | } | |
872 | } | |
873 | return; | |
874 | } | |
875 | } | |
876 | ||
877 | /* Implement Ada val_print'ing for the case where TYPE is | |
878 | a TYPE_CODE_ENUM. */ | |
879 | ||
880 | static void | |
881 | ada_val_print_enum (struct type *type, const gdb_byte *valaddr, | |
882 | int offset, int offset_aligned, CORE_ADDR address, | |
883 | struct ui_file *stream, int recurse, | |
e8b24d9f | 884 | struct value *original_value, |
8004dfd1 JB |
885 | const struct value_print_options *options, |
886 | const struct language_defn *language) | |
887 | { | |
888 | int i; | |
889 | unsigned int len; | |
890 | LONGEST val; | |
891 | ||
892 | if (options->format) | |
893 | { | |
e8b24d9f | 894 | val_print_scalar_formatted (type, offset_aligned, |
8004dfd1 JB |
895 | original_value, options, 0, stream); |
896 | return; | |
897 | } | |
898 | ||
899 | len = TYPE_NFIELDS (type); | |
900 | val = unpack_long (type, valaddr + offset_aligned); | |
901 | for (i = 0; i < len; i++) | |
902 | { | |
903 | QUIT; | |
904 | if (val == TYPE_FIELD_ENUMVAL (type, i)) | |
905 | break; | |
906 | } | |
907 | ||
908 | if (i < len) | |
909 | { | |
910 | const char *name = ada_enum_name (TYPE_FIELD_NAME (type, i)); | |
911 | ||
912 | if (name[0] == '\'') | |
913 | fprintf_filtered (stream, "%ld %s", (long) val, name); | |
914 | else | |
915 | fputs_filtered (name, stream); | |
916 | } | |
917 | else | |
918 | print_longest (stream, 'd', 0, val); | |
919 | } | |
920 | ||
921 | /* Implement Ada val_print'ing for the case where TYPE is | |
922 | a TYPE_CODE_FLT. */ | |
923 | ||
924 | static void | |
925 | ada_val_print_flt (struct type *type, const gdb_byte *valaddr, | |
926 | int offset, int offset_aligned, CORE_ADDR address, | |
927 | struct ui_file *stream, int recurse, | |
e8b24d9f | 928 | struct value *original_value, |
8004dfd1 JB |
929 | const struct value_print_options *options, |
930 | const struct language_defn *language) | |
931 | { | |
932 | if (options->format) | |
933 | { | |
e8b24d9f | 934 | val_print (type, offset, address, stream, recurse, |
8004dfd1 JB |
935 | original_value, options, language_def (language_c)); |
936 | return; | |
937 | } | |
938 | ||
939 | ada_print_floating (valaddr + offset, type, stream); | |
940 | } | |
941 | ||
942 | /* Implement Ada val_print'ing for the case where TYPE is | |
943 | a TYPE_CODE_STRUCT or TYPE_CODE_UNION. */ | |
944 | ||
945 | static void | |
946 | ada_val_print_struct_union | |
947 | (struct type *type, const gdb_byte *valaddr, int offset, | |
948 | int offset_aligned, CORE_ADDR address, struct ui_file *stream, | |
e8b24d9f | 949 | int recurse, struct value *original_value, |
8004dfd1 JB |
950 | const struct value_print_options *options, |
951 | const struct language_defn *language) | |
952 | { | |
953 | if (ada_is_bogus_array_descriptor (type)) | |
954 | { | |
955 | fprintf_filtered (stream, "(...?)"); | |
956 | return; | |
957 | } | |
958 | ||
079e4591 JB |
959 | fprintf_filtered (stream, "("); |
960 | ||
961 | if (print_field_values (type, valaddr, offset_aligned, | |
962 | stream, recurse, original_value, options, | |
8e355c5d | 963 | 0, type, offset_aligned, language) != 0 |
079e4591 JB |
964 | && options->prettyformat) |
965 | { | |
966 | fprintf_filtered (stream, "\n"); | |
967 | print_spaces_filtered (2 * recurse, stream); | |
968 | } | |
969 | ||
970 | fprintf_filtered (stream, ")"); | |
8004dfd1 JB |
971 | } |
972 | ||
4eb27a30 JB |
973 | /* Implement Ada val_print'ing for the case where TYPE is |
974 | a TYPE_CODE_ARRAY. */ | |
975 | ||
976 | static void | |
977 | ada_val_print_array (struct type *type, const gdb_byte *valaddr, | |
978 | int offset, int offset_aligned, CORE_ADDR address, | |
979 | struct ui_file *stream, int recurse, | |
e8b24d9f | 980 | struct value *original_value, |
4eb27a30 JB |
981 | const struct value_print_options *options) |
982 | { | |
71855601 | 983 | /* For an array of characters, print with string syntax. */ |
4eb27a30 JB |
984 | if (ada_is_string_type (type) |
985 | && (options->format == 0 || options->format == 's')) | |
986 | { | |
71855601 JB |
987 | ada_val_print_string (type, valaddr, offset, offset_aligned, |
988 | address, stream, recurse, original_value, | |
989 | options); | |
990 | return; | |
4eb27a30 | 991 | } |
71855601 JB |
992 | |
993 | fprintf_filtered (stream, "("); | |
994 | print_optional_low_bound (stream, type, options); | |
995 | if (TYPE_FIELD_BITSIZE (type, 0) > 0) | |
996 | val_print_packed_array_elements (type, valaddr, offset_aligned, | |
997 | 0, stream, recurse, | |
998 | original_value, options); | |
4eb27a30 | 999 | else |
e8b24d9f | 1000 | val_print_array_elements (type, offset_aligned, address, |
71855601 JB |
1001 | stream, recurse, original_value, |
1002 | options, 0); | |
1003 | fprintf_filtered (stream, ")"); | |
4eb27a30 JB |
1004 | } |
1005 | ||
8004dfd1 JB |
1006 | /* Implement Ada val_print'ing for the case where TYPE is |
1007 | a TYPE_CODE_REF. */ | |
1008 | ||
1009 | static void | |
1010 | ada_val_print_ref (struct type *type, const gdb_byte *valaddr, | |
1011 | int offset, int offset_aligned, CORE_ADDR address, | |
1012 | struct ui_file *stream, int recurse, | |
e8b24d9f | 1013 | struct value *original_value, |
8004dfd1 JB |
1014 | const struct value_print_options *options, |
1015 | const struct language_defn *language) | |
1016 | { | |
1017 | /* For references, the debugger is expected to print the value as | |
1018 | an address if DEREF_REF is null. But printing an address in place | |
1019 | of the object value would be confusing to an Ada programmer. | |
1020 | So, for Ada values, we print the actual dereferenced value | |
1021 | regardless. */ | |
1022 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
34b27950 JB |
1023 | struct value *deref_val; |
1024 | CORE_ADDR deref_val_int; | |
8004dfd1 | 1025 | |
34b27950 | 1026 | if (TYPE_CODE (elttype) == TYPE_CODE_UNDEF) |
8004dfd1 | 1027 | { |
34b27950 JB |
1028 | fputs_filtered ("<ref to undefined type>", stream); |
1029 | return; | |
1030 | } | |
8004dfd1 | 1031 | |
34b27950 JB |
1032 | deref_val = coerce_ref_if_computed (original_value); |
1033 | if (deref_val) | |
1034 | { | |
1035 | if (ada_is_tagged_type (value_type (deref_val), 1)) | |
1036 | deref_val = ada_tag_value_at_base_address (deref_val); | |
8004dfd1 | 1037 | |
34b27950 JB |
1038 | common_val_print (deref_val, stream, recurse + 1, options, |
1039 | language); | |
1040 | return; | |
1041 | } | |
8004dfd1 | 1042 | |
34b27950 JB |
1043 | deref_val_int = unpack_pointer (type, valaddr + offset_aligned); |
1044 | if (deref_val_int == 0) | |
1045 | { | |
1046 | fputs_filtered ("(null)", stream); | |
1047 | return; | |
8004dfd1 | 1048 | } |
34b27950 JB |
1049 | |
1050 | deref_val | |
1051 | = ada_value_ind (value_from_pointer (lookup_pointer_type (elttype), | |
1052 | deref_val_int)); | |
1053 | if (ada_is_tagged_type (value_type (deref_val), 1)) | |
1054 | deref_val = ada_tag_value_at_base_address (deref_val); | |
1055 | ||
c1b5a1a6 JB |
1056 | /* Make sure that the object does not have an unreasonable size |
1057 | before trying to print it. This can happen for instance with | |
1058 | references to dynamic objects whose contents is uninitialized | |
1059 | (Eg: an array whose bounds are not set yet). */ | |
1060 | ada_ensure_varsize_limit (value_type (deref_val)); | |
1061 | ||
7d45f3df YQ |
1062 | if (value_lazy (deref_val)) |
1063 | value_fetch_lazy (deref_val); | |
1064 | ||
34b27950 | 1065 | val_print (value_type (deref_val), |
34b27950 JB |
1066 | value_embedded_offset (deref_val), |
1067 | value_address (deref_val), stream, recurse + 1, | |
1068 | deref_val, options, language); | |
8004dfd1 JB |
1069 | } |
1070 | ||
14f9c5c9 | 1071 | /* See the comment on ada_val_print. This function differs in that it |
e936309c | 1072 | does not catch evaluation errors (leaving that to ada_val_print). */ |
14f9c5c9 | 1073 | |
d3eab38a | 1074 | static void |
e8b24d9f | 1075 | ada_val_print_1 (struct type *type, |
490f124f | 1076 | int offset, CORE_ADDR address, |
79a45b7d | 1077 | struct ui_file *stream, int recurse, |
e8b24d9f | 1078 | struct value *original_value, |
cd1630f9 JB |
1079 | const struct value_print_options *options, |
1080 | const struct language_defn *language) | |
14f9c5c9 | 1081 | { |
490f124f | 1082 | int offset_aligned; |
e8b24d9f | 1083 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
14f9c5c9 | 1084 | |
61ee279c | 1085 | type = ada_check_typedef (type); |
14f9c5c9 | 1086 | |
ad82864c | 1087 | if (ada_is_array_descriptor_type (type) |
d2d43431 JB |
1088 | || (ada_is_constrained_packed_array_type (type) |
1089 | && TYPE_CODE (type) != TYPE_CODE_PTR)) | |
14f9c5c9 | 1090 | { |
8004dfd1 JB |
1091 | ada_val_print_gnat_array (type, valaddr, offset, address, |
1092 | stream, recurse, original_value, | |
1093 | options, language); | |
d3eab38a | 1094 | return; |
14f9c5c9 AS |
1095 | } |
1096 | ||
490f124f PA |
1097 | offset_aligned = offset + ada_aligned_value_addr (type, valaddr) - valaddr; |
1098 | type = printable_val_type (type, valaddr + offset_aligned); | |
62c67f3c JB |
1099 | type = resolve_dynamic_type (type, valaddr + offset_aligned, |
1100 | address + offset_aligned); | |
14f9c5c9 AS |
1101 | |
1102 | switch (TYPE_CODE (type)) | |
1103 | { | |
1104 | default: | |
e8b24d9f | 1105 | val_print (type, offset, address, stream, recurse, |
cd1630f9 | 1106 | original_value, options, language_def (language_c)); |
d3eab38a | 1107 | break; |
14f9c5c9 | 1108 | |
4c4b4cd2 | 1109 | case TYPE_CODE_PTR: |
8004dfd1 JB |
1110 | ada_val_print_ptr (type, valaddr, offset, offset_aligned, |
1111 | address, stream, recurse, original_value, | |
1112 | options, language); | |
1113 | break; | |
4c4b4cd2 | 1114 | |
14f9c5c9 AS |
1115 | case TYPE_CODE_INT: |
1116 | case TYPE_CODE_RANGE: | |
8004dfd1 JB |
1117 | ada_val_print_num (type, valaddr, offset, offset_aligned, |
1118 | address, stream, recurse, original_value, | |
1119 | options, language); | |
1120 | break; | |
14f9c5c9 AS |
1121 | |
1122 | case TYPE_CODE_ENUM: | |
8004dfd1 JB |
1123 | ada_val_print_enum (type, valaddr, offset, offset_aligned, |
1124 | address, stream, recurse, original_value, | |
1125 | options, language); | |
1126 | break; | |
d2e4a39e | 1127 | |
4c4b4cd2 | 1128 | case TYPE_CODE_FLT: |
8004dfd1 JB |
1129 | ada_val_print_flt (type, valaddr, offset, offset_aligned, |
1130 | address, stream, recurse, original_value, | |
1131 | options, language); | |
4c4b4cd2 PH |
1132 | break; |
1133 | ||
14f9c5c9 AS |
1134 | case TYPE_CODE_UNION: |
1135 | case TYPE_CODE_STRUCT: | |
8004dfd1 JB |
1136 | ada_val_print_struct_union (type, valaddr, offset, offset_aligned, |
1137 | address, stream, recurse, | |
1138 | original_value, options, language); | |
1139 | break; | |
14f9c5c9 AS |
1140 | |
1141 | case TYPE_CODE_ARRAY: | |
4eb27a30 | 1142 | ada_val_print_array (type, valaddr, offset, offset_aligned, |
d3eab38a TT |
1143 | address, stream, recurse, original_value, |
1144 | options); | |
1145 | return; | |
14f9c5c9 AS |
1146 | |
1147 | case TYPE_CODE_REF: | |
8004dfd1 JB |
1148 | ada_val_print_ref (type, valaddr, offset, offset_aligned, |
1149 | address, stream, recurse, original_value, | |
1150 | options, language); | |
14f9c5c9 AS |
1151 | break; |
1152 | } | |
14f9c5c9 AS |
1153 | } |
1154 | ||
bdf779a0 JB |
1155 | /* See val_print for a description of the various parameters of this |
1156 | function; they are identical. */ | |
1157 | ||
1158 | void | |
e8b24d9f | 1159 | ada_val_print (struct type *type, |
bdf779a0 JB |
1160 | int embedded_offset, CORE_ADDR address, |
1161 | struct ui_file *stream, int recurse, | |
e8b24d9f | 1162 | struct value *val, |
bdf779a0 | 1163 | const struct value_print_options *options) |
14f9c5c9 | 1164 | { |
14f9c5c9 | 1165 | |
bdf779a0 | 1166 | /* XXX: this catches QUIT/ctrl-c as well. Isn't that busted? */ |
492d29ea | 1167 | TRY |
bdf779a0 | 1168 | { |
e8b24d9f | 1169 | ada_val_print_1 (type, embedded_offset, address, |
cd1630f9 JB |
1170 | stream, recurse, val, options, |
1171 | current_language); | |
bdf779a0 | 1172 | } |
492d29ea PA |
1173 | CATCH (except, RETURN_MASK_ALL) |
1174 | { | |
1175 | } | |
1176 | END_CATCH | |
14f9c5c9 AS |
1177 | } |
1178 | ||
8e069a98 | 1179 | void |
79a45b7d TT |
1180 | ada_value_print (struct value *val0, struct ui_file *stream, |
1181 | const struct value_print_options *options) | |
14f9c5c9 | 1182 | { |
0c3acc09 JB |
1183 | struct value *val = ada_to_fixed_value (val0); |
1184 | CORE_ADDR address = value_address (val); | |
7828a5f5 | 1185 | struct type *type = ada_check_typedef (value_enclosing_type (val)); |
79a45b7d | 1186 | struct value_print_options opts; |
14f9c5c9 | 1187 | |
4c4b4cd2 PH |
1188 | /* If it is a pointer, indicate what it points to. */ |
1189 | if (TYPE_CODE (type) == TYPE_CODE_PTR) | |
14f9c5c9 | 1190 | { |
4c4b4cd2 PH |
1191 | /* Hack: don't print (char *) for char strings. Their |
1192 | type is indicated by the quoted string anyway. */ | |
1193 | if (TYPE_LENGTH (TYPE_TARGET_TYPE (type)) != sizeof (char) | |
1194 | || TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_INT | |
1195 | || TYPE_UNSIGNED (TYPE_TARGET_TYPE (type))) | |
14f9c5c9 AS |
1196 | { |
1197 | fprintf_filtered (stream, "("); | |
1198 | type_print (type, "", stream, -1); | |
1199 | fprintf_filtered (stream, ") "); | |
1200 | } | |
1201 | } | |
4c4b4cd2 | 1202 | else if (ada_is_array_descriptor_type (type)) |
14f9c5c9 | 1203 | { |
720d1a40 JB |
1204 | /* We do not print the type description unless TYPE is an array |
1205 | access type (this is encoded by the compiler as a typedef to | |
1206 | a fat pointer - hence the check against TYPE_CODE_TYPEDEF). */ | |
1207 | if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF) | |
1208 | { | |
1209 | fprintf_filtered (stream, "("); | |
1210 | type_print (type, "", stream, -1); | |
1211 | fprintf_filtered (stream, ") "); | |
1212 | } | |
14f9c5c9 AS |
1213 | } |
1214 | else if (ada_is_bogus_array_descriptor (type)) | |
1215 | { | |
1216 | fprintf_filtered (stream, "("); | |
1217 | type_print (type, "", stream, -1); | |
1218 | fprintf_filtered (stream, ") (...?)"); | |
8e069a98 | 1219 | return; |
14f9c5c9 | 1220 | } |
4c4b4cd2 | 1221 | |
79a45b7d TT |
1222 | opts = *options; |
1223 | opts.deref_ref = 1; | |
e8b24d9f | 1224 | val_print (type, |
8e069a98 TT |
1225 | value_embedded_offset (val), address, |
1226 | stream, 0, val, &opts, current_language); | |
14f9c5c9 | 1227 | } |